From 0b8973a81876d90f916507ac40d1381068dc986a Mon Sep 17 00:00:00 2001
From: "Luck, Tony" <tony.luck@intel.com>
Date: Wed, 16 Dec 2009 22:59:29 +0000
Subject: [PATCH 0001/3638] intel-iommu: Fix section mismatch dmar_ir_support()
 uses dmar_tbl.

dmar_tbl is declared as __initdata, but dmar_ir_support() is not declared
as an __init function.  Fix is simple since the only caller of dmar_ir_support
(intr_remapping_supported) is an __init function.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 83aae474759..ffe22bc3ac8 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -1456,7 +1456,7 @@ int dmar_reenable_qi(struct intel_iommu *iommu)
 /*
  * Check interrupt remapping support in DMAR table description.
  */
-int dmar_ir_support(void)
+int __init dmar_ir_support(void)
 {
 	struct acpi_table_dmar *dmar;
 	dmar = (struct acpi_table_dmar *)dmar_tbl;

From 34970a7db5c73f4c83b72ce989d297a95efb3a6d Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:04:07 -0500
Subject: [PATCH 0002/3638] mtd: au1550nd.c: use kzalloc()

Use kzalloc() instead of kmalloc()/memset().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/au1550nd.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 92c334ff450..de190b8f8a1 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -450,7 +450,7 @@ static int __init au1xxx_nand_init(void)
 	u32 nand_phys;
 
 	/* Allocate memory for MTD device structure and private data */
-	au1550_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
+	au1550_mtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
 	if (!au1550_mtd) {
 		printk("Unable to allocate NAND MTD dev structure.\n");
 		return -ENOMEM;
@@ -459,10 +459,6 @@ static int __init au1xxx_nand_init(void)
 	/* Get pointer to private data */
 	this = (struct nand_chip *)(&au1550_mtd[1]);
 
-	/* Initialize structures */
-	memset(au1550_mtd, 0, sizeof(struct mtd_info));
-	memset(this, 0, sizeof(struct nand_chip));
-
 	/* Link the private data with the MTD structure */
 	au1550_mtd->priv = this;
 	au1550_mtd->owner = THIS_MODULE;

From 440d4f9fb62dad0d5ed1635d099cedaa7a25d96d Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:08:37 -0500
Subject: [PATCH 0003/3638] mtd: au1550nd.c: remove unnecessary casts

Remove unnecessary casts for p_nand, it is already a void __iomem *.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/au1550nd.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index de190b8f8a1..58c55db504e 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -538,7 +538,7 @@ static int __init au1xxx_nand_init(void)
 	}
 	nand_phys = (mem_staddr << 4) & 0xFFFC0000;
 
-	p_nand = (void __iomem *)ioremap(nand_phys, 0x1000);
+	p_nand = ioremap(nand_phys, 0x1000);
 
 	/* make controller and MTD agree */
 	if (NAND_CS == 0)
@@ -583,7 +583,7 @@ static int __init au1xxx_nand_init(void)
 	return 0;
 
  outio:
-	iounmap((void *)p_nand);
+	iounmap(p_nand);
 
  outmem:
 	kfree(au1550_mtd);
@@ -604,7 +604,7 @@ static void __exit au1550_cleanup(void)
 	kfree(au1550_mtd);
 
 	/* Unmap */
-	iounmap((void *)p_nand);
+	iounmap(p_nand);
 }
 
 module_exit(au1550_cleanup);

From d8bc55553c416c877267c1efd65b099164acbe3f Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:13:13 -0500
Subject: [PATCH 0004/3638] mtd: davinci_nand.c: use resource_size()

The ioremap'ed sizes are off by 1; use resource_size() for correct value.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/davinci_nand.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index fe3eba87de4..e2eeaf1e51a 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -566,8 +566,8 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
 		goto err_nomem;
 	}
 
-	vaddr = ioremap(res1->start, res1->end - res1->start);
-	base = ioremap(res2->start, res2->end - res2->start);
+	vaddr = ioremap(res1->start, resource_size(res1));
+	base = ioremap(res2->start, resource_size(res2));
 	if (!vaddr || !base) {
 		dev_err(&pdev->dev, "ioremap failed\n");
 		ret = -EINVAL;

From 8a19b5581862650ab1735d4699491ac92bd2e212 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:19:44 -0500
Subject: [PATCH 0005/3638] mtd: fsl_elbc_nand.c: user resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/fsl_elbc_nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index ae30fb6eed9..1b8328fbb9d 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -874,7 +874,7 @@ static int __devinit fsl_elbc_chip_probe(struct fsl_elbc_ctrl *ctrl,
 	priv->ctrl = ctrl;
 	priv->dev = ctrl->dev;
 
-	priv->vbase = ioremap(res.start, res.end - res.start + 1);
+	priv->vbase = ioremap(res.start, resource_size(&res));
 	if (!priv->vbase) {
 		dev_err(ctrl->dev, "failed to map chip region\n");
 		ret = -ENOMEM;

From 58e6a84dfbd6f125b69e8b105c2cdbf22f97d5de Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:22:49 -0500
Subject: [PATCH 0006/3638] mtd: fls_upm.c: use resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/fsl_upm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 071a60cb420..ab06a5b514a 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -302,7 +302,7 @@ static int __devinit fun_probe(struct of_device *ofdev,
 				  FSL_UPM_WAIT_WRITE_BYTE;
 
 	fun->io_base = devm_ioremap_nocache(&ofdev->dev, io_res.start,
-					    io_res.end - io_res.start + 1);
+					    resource_size(&io_res));
 	if (!fun->io_base) {
 		ret = -ENOMEM;
 		goto err2;

From db5a5ae25aae66354712674b1643759897ff0325 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:30:46 -0500
Subject: [PATCH 0007/3638] mtd: drivers/mtd/nand/gpio.c: use resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/gpio.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
index 8f902e75aa8..0cde618bcc1 100644
--- a/drivers/mtd/nand/gpio.c
+++ b/drivers/mtd/nand/gpio.c
@@ -181,11 +181,11 @@ static int __devexit gpio_nand_remove(struct platform_device *dev)
 	res = platform_get_resource(dev, IORESOURCE_MEM, 1);
 	iounmap(gpiomtd->io_sync);
 	if (res)
-		release_mem_region(res->start, res->end - res->start + 1);
+		release_mem_region(res->start, resource_size(res));
 
 	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	iounmap(gpiomtd->nand_chip.IO_ADDR_R);
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 
 	if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
 		gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
@@ -208,14 +208,14 @@ static void __iomem *request_and_remap(struct resource *res, size_t size,
 {
 	void __iomem *ptr;
 
-	if (!request_mem_region(res->start, res->end - res->start + 1, name)) {
+	if (!request_mem_region(res->start, resource_size(res), name)) {
 		*err = -EBUSY;
 		return NULL;
 	}
 
 	ptr = ioremap(res->start, size);
 	if (!ptr) {
-		release_mem_region(res->start, res->end - res->start + 1);
+		release_mem_region(res->start, resource_size(res));
 		*err = -ENOMEM;
 	}
 	return ptr;
@@ -338,10 +338,10 @@ err_nwp:
 err_nce:
 	iounmap(gpiomtd->io_sync);
 	if (res1)
-		release_mem_region(res1->start, res1->end - res1->start + 1);
+		release_mem_region(res1->start, resource_size(res1));
 err_sync:
 	iounmap(gpiomtd->nand_chip.IO_ADDR_R);
-	release_mem_region(res0->start, res0->end - res0->start + 1);
+	release_mem_region(res0->start, resource_size(res0));
 err_map:
 	kfree(gpiomtd);
 	return ret;

From 4442241ef6ed4d53c13d1c4b18fd57918bb4c850 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:36:37 -0500
Subject: [PATCH 0008/3638] mtd: nomadik_nand.c: use resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nomadik_nand.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/nomadik_nand.c b/drivers/mtd/nand/nomadik_nand.c
index 66123419f65..59cbf66607c 100644
--- a/drivers/mtd/nand/nomadik_nand.c
+++ b/drivers/mtd/nand/nomadik_nand.c
@@ -104,21 +104,21 @@ static int nomadik_nand_probe(struct platform_device *pdev)
 		ret = -EIO;
 		goto err_unmap;
 	}
-	host->addr_va = ioremap(res->start, res->end - res->start + 1);
+	host->addr_va = ioremap(res->start, resource_size(res));
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nand_data");
 	if (!res) {
 		ret = -EIO;
 		goto err_unmap;
 	}
-	host->data_va = ioremap(res->start, res->end - res->start + 1);
+	host->data_va = ioremap(res->start, resource_size(res));
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nand_cmd");
 	if (!res) {
 		ret = -EIO;
 		goto err_unmap;
 	}
-	host->cmd_va = ioremap(res->start, res->end - res->start + 1);
+	host->cmd_va = ioremap(res->start, resource_size(res));
 
 	if (!host->addr_va || !host->data_va || !host->cmd_va) {
 		ret = -ENOMEM;

From e99030609e27abff7e1a868cb56384c678b09984 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:48:34 -0500
Subject: [PATCH 0009/3638] mtd: orion_nand.c: add error handling and use
 resource_size()

Use platform_get_resource() to fetch the memory resource and
add error handling for when it is missing. Use resource_size()
for the ioremap().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/orion_nand.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index f59c07427af..990346036d3 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -74,6 +74,7 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 	struct mtd_info *mtd;
 	struct nand_chip *nc;
 	struct orion_nand_data *board;
+	struct resource *res;
 	void __iomem *io_base;
 	int ret = 0;
 #ifdef CONFIG_MTD_PARTITIONS
@@ -89,8 +90,13 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 	}
 	mtd = (struct mtd_info *)(nc + 1);
 
-	io_base = ioremap(pdev->resource[0].start,
-			pdev->resource[0].end - pdev->resource[0].start + 1);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		err = -ENODEV;
+		goto no_res;
+	}
+
+	io_base = ioremap(res->start, resource_size(res));
 	if (!io_base) {
 		printk(KERN_ERR "orion_nand: ioremap failed\n");
 		ret = -EIO;

From fc161c4e8ec9b12d42b10d510a9de8562ea3afac Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:56:22 -0500
Subject: [PATCH 0010/3638] mtd: drivers/mtd/nand/s3c2410.c: use
 resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/s3c2410.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index fa6e9c7fe51..c41ad2285c6 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -957,7 +957,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
 
 	/* currently we assume we have the one resource */
 	res  = pdev->resource;
-	size = res->end - res->start + 1;
+	size = resource_size(res);
 
 	info->area = request_mem_region(res->start, size, pdev->name);
 

From 448791abfb64f097e6d6c5f71df68fd072def5b3 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 17:11:44 -0500
Subject: [PATCH 0011/3638] mtd: tmio_nand.c: use dev_get_platdata() and
 resource_size()

Remove unnecessary casts and use dev_get_platdata() to retrieve the
struct mfd_cell data from the platform.

Use resource_size() for the ioremap()'s.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/tmio_nand.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c
index 92c73344a66..65fa46957db 100644
--- a/drivers/mtd/nand/tmio_nand.c
+++ b/drivers/mtd/nand/tmio_nand.c
@@ -318,7 +318,7 @@ static int tmio_nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 
 static int tmio_hw_init(struct platform_device *dev, struct tmio_nand *tmio)
 {
-	struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell *cell = dev_get_platdata(&dev->dev);
 	int ret;
 
 	if (cell->enable) {
@@ -362,7 +362,7 @@ static int tmio_hw_init(struct platform_device *dev, struct tmio_nand *tmio)
 
 static void tmio_hw_stop(struct platform_device *dev, struct tmio_nand *tmio)
 {
-	struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell *cell = dev_get_platdata(&dev->dev);
 
 	tmio_iowrite8(FCR_MODE_POWER_OFF, tmio->fcr + FCR_MODE);
 	if (cell->disable)
@@ -371,7 +371,7 @@ static void tmio_hw_stop(struct platform_device *dev, struct tmio_nand *tmio)
 
 static int tmio_probe(struct platform_device *dev)
 {
-	struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell *cell = dev_get_platdata(&dev->dev);
 	struct tmio_nand_data *data = cell->driver_data;
 	struct resource *fcr = platform_get_resource(dev,
 			IORESOURCE_MEM, 0);
@@ -404,14 +404,14 @@ static int tmio_probe(struct platform_device *dev)
 	mtd->priv = nand_chip;
 	mtd->name = "tmio-nand";
 
-	tmio->ccr = ioremap(ccr->start, ccr->end - ccr->start + 1);
+	tmio->ccr = ioremap(ccr->start, resource_size(ccr));
 	if (!tmio->ccr) {
 		retval = -EIO;
 		goto err_iomap_ccr;
 	}
 
 	tmio->fcr_base = fcr->start & 0xfffff;
-	tmio->fcr = ioremap(fcr->start, fcr->end - fcr->start + 1);
+	tmio->fcr = ioremap(fcr->start, resource_size(fcr));
 	if (!tmio->fcr) {
 		retval = -EIO;
 		goto err_iomap_fcr;
@@ -515,7 +515,7 @@ static int tmio_remove(struct platform_device *dev)
 #ifdef CONFIG_PM
 static int tmio_suspend(struct platform_device *dev, pm_message_t state)
 {
-	struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell *cell = dev_get_platdata(&dev->dev);
 
 	if (cell->suspend)
 		cell->suspend(dev);
@@ -526,7 +526,7 @@ static int tmio_suspend(struct platform_device *dev, pm_message_t state)
 
 static int tmio_resume(struct platform_device *dev)
 {
-	struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell *cell = dev_get_platdata(&dev->dev);
 
 	/* FIXME - is this required or merely another attack of the broken
 	 * SHARP platform? Looks suspicious.

From cbd38a875fd890c3c2f196dd3370d90fd3ecb7f5 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 14 Dec 2009 16:59:27 -0500
Subject: [PATCH 0012/3638] mtd: drivers/mtd/nand/sh_flctl.c: use
 resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/sh_flctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 02bef21f2e4..4260ab78f95 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -797,7 +797,7 @@ static int __init flctl_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	flctl->reg = ioremap(res->start, res->end - res->start + 1);
+	flctl->reg = ioremap(res->start, resource_size(res));
 	if (flctl->reg == NULL) {
 		printk(KERN_ERR "%s: ioremap error.\n", __func__);
 		ret = -ENOMEM;

From 49f37b74d077edff355f1c3390fc9fd0c418ef9b Mon Sep 17 00:00:00 2001
From: Wan ZongShun <mcuos.com@gmail.com>
Date: Fri, 1 Jan 2010 18:03:47 +0800
Subject: [PATCH 0013/3638] ARM: NUC900: rename mtd nand driver name

Due to I have renamed the platform_device.name,so this patch changes
this nand driver platform_driver name.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/w90p910_nand.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/w90p910_nand.c b/drivers/mtd/nand/w90p910_nand.c
index 7680e731348..c2e9b68e4ff 100644
--- a/drivers/mtd/nand/w90p910_nand.c
+++ b/drivers/mtd/nand/w90p910_nand.c
@@ -358,7 +358,7 @@ static struct platform_driver w90p910_nand_driver = {
 	.probe		= w90p910_nand_probe,
 	.remove		= __devexit_p(w90p910_nand_remove),
 	.driver		= {
-		.name	= "w90p910-fmi",
+		.name	= "nuc900-fmi",
 		.owner	= THIS_MODULE,
 	},
 };
@@ -379,4 +379,4 @@ module_exit(w90p910_nand_exit);
 MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
 MODULE_DESCRIPTION("w90p910 nand driver!");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:w90p910-fmi");
+MODULE_ALIAS("platform:nuc900-fmi");

From bb6a77554935a86686039097cdda2b2a38891c78 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Fri, 1 Jan 2010 12:16:47 +0000
Subject: [PATCH 0014/3638] mtd: nand: rename w90p910_nand.c to nuc900_nand.c

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig                      |   6 +-
 drivers/mtd/nand/Makefile                     |   2 +-
 .../nand/{w90p910_nand.c => nuc900_nand.c}    | 138 +++++++++---------
 3 files changed, 73 insertions(+), 73 deletions(-)
 rename drivers/mtd/nand/{w90p910_nand.c => nuc900_nand.c} (63%)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 7678538344f..2dcbccb50da 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -489,11 +489,11 @@ config MTD_NAND_SOCRATES
 	help
 	  Enables support for NAND Flash chips wired onto Socrates board.
 
-config MTD_NAND_W90P910
-	tristate "Support for NAND on w90p910 evaluation board."
+config MTD_NAND_NUC900
+	tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards."
 	depends on ARCH_W90X900 && MTD_PARTITIONS
 	help
 	  This enables the driver for the NAND Flash on evaluation board based
-	  on w90p910.
+	  on w90p910 / NUC9xx.
 
 endif # MTD_NAND
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 460a1f39a8d..bba5addadb9 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -40,7 +40,7 @@ obj-$(CONFIG_MTD_NAND_SH_FLCTL)		+= sh_flctl.o
 obj-$(CONFIG_MTD_NAND_MXC)		+= mxc_nand.o
 obj-$(CONFIG_MTD_NAND_SOCRATES)		+= socrates_nand.o
 obj-$(CONFIG_MTD_NAND_TXX9NDFMC)	+= txx9ndfmc.o
-obj-$(CONFIG_MTD_NAND_W90P910)		+= w90p910_nand.o
+obj-$(CONFIG_MTD_NAND_NUC900)		+= nuc900_nand.o
 obj-$(CONFIG_MTD_NAND_NOMADIK)		+= nomadik_nand.o
 obj-$(CONFIG_MTD_NAND_BCM_UMI)		+= bcm_umi_nand.o nand_bcm_umi.o
 
diff --git a/drivers/mtd/nand/w90p910_nand.c b/drivers/mtd/nand/nuc900_nand.c
similarity index 63%
rename from drivers/mtd/nand/w90p910_nand.c
rename to drivers/mtd/nand/nuc900_nand.c
index c2e9b68e4ff..6eddf7361ed 100644
--- a/drivers/mtd/nand/w90p910_nand.c
+++ b/drivers/mtd/nand/nuc900_nand.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009 Nuvoton technology corporation.
+ * Copyright © 2009 Nuvoton technology corporation.
  *
  * Wan ZongShun <mcuos.com@gmail.com>
  *
@@ -55,7 +55,7 @@
 #define write_addr_reg(dev, val)	\
 	__raw_writel((val), (dev)->reg + REG_SMADDR)
 
-struct w90p910_nand {
+struct nuc900_nand {
 	struct mtd_info mtd;
 	struct nand_chip chip;
 	void __iomem *reg;
@@ -76,49 +76,49 @@ static const struct mtd_partition partitions[] = {
 	}
 };
 
-static unsigned char w90p910_nand_read_byte(struct mtd_info *mtd)
+static unsigned char nuc900_nand_read_byte(struct mtd_info *mtd)
 {
 	unsigned char ret;
-	struct w90p910_nand *nand;
+	struct nuc900_nand *nand;
 
-	nand = container_of(mtd, struct w90p910_nand, mtd);
+	nand = container_of(mtd, struct nuc900_nand, mtd);
 
 	ret = (unsigned char)read_data_reg(nand);
 
 	return ret;
 }
 
-static void w90p910_nand_read_buf(struct mtd_info *mtd,
-						unsigned char *buf, int len)
+static void nuc900_nand_read_buf(struct mtd_info *mtd,
+				 unsigned char *buf, int len)
 {
 	int i;
-	struct w90p910_nand *nand;
+	struct nuc900_nand *nand;
 
-	nand = container_of(mtd, struct w90p910_nand, mtd);
+	nand = container_of(mtd, struct nuc900_nand, mtd);
 
 	for (i = 0; i < len; i++)
 		buf[i] = (unsigned char)read_data_reg(nand);
 }
 
-static void w90p910_nand_write_buf(struct mtd_info *mtd,
-					const unsigned char *buf, int len)
+static void nuc900_nand_write_buf(struct mtd_info *mtd,
+				  const unsigned char *buf, int len)
 {
 	int i;
-	struct w90p910_nand *nand;
+	struct nuc900_nand *nand;
 
-	nand = container_of(mtd, struct w90p910_nand, mtd);
+	nand = container_of(mtd, struct nuc900_nand, mtd);
 
 	for (i = 0; i < len; i++)
 		write_data_reg(nand, buf[i]);
 }
 
-static int w90p910_verify_buf(struct mtd_info *mtd,
-					const unsigned char *buf, int len)
+static int nuc900_verify_buf(struct mtd_info *mtd,
+			     const unsigned char *buf, int len)
 {
 	int i;
-	struct w90p910_nand *nand;
+	struct nuc900_nand *nand;
 
-	nand = container_of(mtd, struct w90p910_nand, mtd);
+	nand = container_of(mtd, struct nuc900_nand, mtd);
 
 	for (i = 0; i < len; i++) {
 		if (buf[i] != (unsigned char)read_data_reg(nand))
@@ -128,7 +128,7 @@ static int w90p910_verify_buf(struct mtd_info *mtd,
 	return 0;
 }
 
-static int w90p910_check_rb(struct w90p910_nand *nand)
+static int nuc900_check_rb(struct nuc900_nand *nand)
 {
 	unsigned int val;
 	spin_lock(&nand->lock);
@@ -139,24 +139,24 @@ static int w90p910_check_rb(struct w90p910_nand *nand)
 	return val;
 }
 
-static int w90p910_nand_devready(struct mtd_info *mtd)
+static int nuc900_nand_devready(struct mtd_info *mtd)
 {
-	struct w90p910_nand *nand;
+	struct nuc900_nand *nand;
 	int ready;
 
-	nand = container_of(mtd, struct w90p910_nand, mtd);
+	nand = container_of(mtd, struct nuc900_nand, mtd);
 
-	ready = (w90p910_check_rb(nand)) ? 1 : 0;
+	ready = (nuc900_check_rb(nand)) ? 1 : 0;
 	return ready;
 }
 
-static void w90p910_nand_command_lp(struct mtd_info *mtd,
-			unsigned int command, int column, int page_addr)
+static void nuc900_nand_command_lp(struct mtd_info *mtd, unsigned int command,
+				   int column, int page_addr)
 {
 	register struct nand_chip *chip = mtd->priv;
-	struct w90p910_nand *nand;
+	struct nuc900_nand *nand;
 
-	nand = container_of(mtd, struct w90p910_nand, mtd);
+	nand = container_of(mtd, struct nuc900_nand, mtd);
 
 	if (command == NAND_CMD_READOOB) {
 		column += mtd->writesize;
@@ -212,7 +212,7 @@ static void w90p910_nand_command_lp(struct mtd_info *mtd,
 		write_cmd_reg(nand, NAND_CMD_STATUS);
 		write_cmd_reg(nand, command);
 
-		while (!w90p910_check_rb(nand))
+		while (!nuc900_check_rb(nand))
 			;
 
 		return;
@@ -241,7 +241,7 @@ static void w90p910_nand_command_lp(struct mtd_info *mtd,
 }
 
 
-static void w90p910_nand_enable(struct w90p910_nand *nand)
+static void nuc900_nand_enable(struct nuc900_nand *nand)
 {
 	unsigned int val;
 	spin_lock(&nand->lock);
@@ -262,37 +262,37 @@ static void w90p910_nand_enable(struct w90p910_nand *nand)
 	spin_unlock(&nand->lock);
 }
 
-static int __devinit w90p910_nand_probe(struct platform_device *pdev)
+static int __devinit nuc900_nand_probe(struct platform_device *pdev)
 {
-	struct w90p910_nand *w90p910_nand;
+	struct nuc900_nand *nuc900_nand;
 	struct nand_chip *chip;
 	int retval;
 	struct resource *res;
 
 	retval = 0;
 
-	w90p910_nand = kzalloc(sizeof(struct w90p910_nand), GFP_KERNEL);
-	if (!w90p910_nand)
+	nuc900_nand = kzalloc(sizeof(struct nuc900_nand), GFP_KERNEL);
+	if (!nuc900_nand)
 		return -ENOMEM;
-	chip = &(w90p910_nand->chip);
+	chip = &(nuc900_nand->chip);
 
-	w90p910_nand->mtd.priv	= chip;
-	w90p910_nand->mtd.owner	= THIS_MODULE;
-	spin_lock_init(&w90p910_nand->lock);
+	nuc900_nand->mtd.priv	= chip;
+	nuc900_nand->mtd.owner	= THIS_MODULE;
+	spin_lock_init(&nuc900_nand->lock);
 
-	w90p910_nand->clk = clk_get(&pdev->dev, NULL);
-	if (IS_ERR(w90p910_nand->clk)) {
+	nuc900_nand->clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(nuc900_nand->clk)) {
 		retval = -ENOENT;
 		goto fail1;
 	}
-	clk_enable(w90p910_nand->clk);
+	clk_enable(nuc900_nand->clk);
 
-	chip->cmdfunc		= w90p910_nand_command_lp;
-	chip->dev_ready		= w90p910_nand_devready;
-	chip->read_byte		= w90p910_nand_read_byte;
-	chip->write_buf		= w90p910_nand_write_buf;
-	chip->read_buf		= w90p910_nand_read_buf;
-	chip->verify_buf	= w90p910_verify_buf;
+	chip->cmdfunc		= nuc900_nand_command_lp;
+	chip->dev_ready		= nuc900_nand_devready;
+	chip->read_byte		= nuc900_nand_read_byte;
+	chip->write_buf		= nuc900_nand_write_buf;
+	chip->read_buf		= nuc900_nand_read_buf;
+	chip->verify_buf	= nuc900_verify_buf;
 	chip->chip_delay	= 50;
 	chip->options		= 0;
 	chip->ecc.mode		= NAND_ECC_SOFT;
@@ -308,75 +308,75 @@ static int __devinit w90p910_nand_probe(struct platform_device *pdev)
 		goto fail1;
 	}
 
-	w90p910_nand->reg = ioremap(res->start, resource_size(res));
-	if (!w90p910_nand->reg) {
+	nuc900_nand->reg = ioremap(res->start, resource_size(res));
+	if (!nuc900_nand->reg) {
 		retval = -ENOMEM;
 		goto fail2;
 	}
 
-	w90p910_nand_enable(w90p910_nand);
+	nuc900_nand_enable(nuc900_nand);
 
-	if (nand_scan(&(w90p910_nand->mtd), 1)) {
+	if (nand_scan(&(nuc900_nand->mtd), 1)) {
 		retval = -ENXIO;
 		goto fail3;
 	}
 
-	add_mtd_partitions(&(w90p910_nand->mtd), partitions,
+	add_mtd_partitions(&(nuc900_nand->mtd), partitions,
 						ARRAY_SIZE(partitions));
 
-	platform_set_drvdata(pdev, w90p910_nand);
+	platform_set_drvdata(pdev, nuc900_nand);
 
 	return retval;
 
-fail3:	iounmap(w90p910_nand->reg);
+fail3:	iounmap(nuc900_nand->reg);
 fail2:	release_mem_region(res->start, resource_size(res));
-fail1:	kfree(w90p910_nand);
+fail1:	kfree(nuc900_nand);
 	return retval;
 }
 
-static int __devexit w90p910_nand_remove(struct platform_device *pdev)
+static int __devexit nuc900_nand_remove(struct platform_device *pdev)
 {
-	struct w90p910_nand *w90p910_nand = platform_get_drvdata(pdev);
+	struct nuc900_nand *nuc900_nand = platform_get_drvdata(pdev);
 	struct resource *res;
 
-	iounmap(w90p910_nand->reg);
+	iounmap(nuc900_nand->reg);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	release_mem_region(res->start, resource_size(res));
 
-	clk_disable(w90p910_nand->clk);
-	clk_put(w90p910_nand->clk);
+	clk_disable(nuc900_nand->clk);
+	clk_put(nuc900_nand->clk);
 
-	kfree(w90p910_nand);
+	kfree(nuc900_nand);
 
 	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }
 
-static struct platform_driver w90p910_nand_driver = {
-	.probe		= w90p910_nand_probe,
-	.remove		= __devexit_p(w90p910_nand_remove),
+static struct platform_driver nuc900_nand_driver = {
+	.probe		= nuc900_nand_probe,
+	.remove		= __devexit_p(nuc900_nand_remove),
 	.driver		= {
 		.name	= "nuc900-fmi",
 		.owner	= THIS_MODULE,
 	},
 };
 
-static int __init w90p910_nand_init(void)
+static int __init nuc900_nand_init(void)
 {
-	return platform_driver_register(&w90p910_nand_driver);
+	return platform_driver_register(&nuc900_nand_driver);
 }
 
-static void __exit w90p910_nand_exit(void)
+static void __exit nuc900_nand_exit(void)
 {
-	platform_driver_unregister(&w90p910_nand_driver);
+	platform_driver_unregister(&nuc900_nand_driver);
 }
 
-module_init(w90p910_nand_init);
-module_exit(w90p910_nand_exit);
+module_init(nuc900_nand_init);
+module_exit(nuc900_nand_exit);
 
 MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
-MODULE_DESCRIPTION("w90p910 nand driver!");
+MODULE_DESCRIPTION("w90p910/NUC9xx nand driver!");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:nuc900-fmi");

From e026255f7d0e56006a147b190ae23be95cb0a9bd Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 29 Dec 2009 20:15:23 +0100
Subject: [PATCH 0015/3638] mtd: physmap_of: Correct the size argument to
 kzalloc

mtd_list has type struct mtd_info **, not struct mtd_info *, so the
elements of the array should have pointer type, not structure type.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@disable sizeof_type_expr@
type T;
T **x;
@@

  x =
  <+...sizeof(
- T
+ *x
  )...+>
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/physmap_of.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 61e4eb48bb2..1d91333010b 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -217,7 +217,7 @@ static int __devinit of_flash_probe(struct of_device *dev,
 
 	dev_set_drvdata(&dev->dev, info);
 
-	mtd_list = kzalloc(sizeof(struct mtd_info) * count, GFP_KERNEL);
+	mtd_list = kzalloc(sizeof(*mtd_list) * count, GFP_KERNEL);
 	if (!mtd_list)
 		goto err_flash_remove;
 

From de58288d1dc4ec73d36395a3c4a7708f01311d20 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Fri, 1 Jan 2010 20:35:54 -0800
Subject: [PATCH 0016/3638] MTD DocBook: fix ioremap return type

ioremap() returns a void __iomem * not an unsigned long.  Update the
Documentation file to reflect this.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 Documentation/DocBook/mtdnand.tmpl | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Documentation/DocBook/mtdnand.tmpl b/Documentation/DocBook/mtdnand.tmpl
index f508a8a27fe..5e7d84b4850 100644
--- a/Documentation/DocBook/mtdnand.tmpl
+++ b/Documentation/DocBook/mtdnand.tmpl
@@ -174,7 +174,7 @@
 		</para>
 		<programlisting>
 static struct mtd_info *board_mtd;
-static unsigned long baseaddr;
+static void __iomem *baseaddr;
 		</programlisting>
 		<para>
 			Static example
@@ -182,7 +182,7 @@ static unsigned long baseaddr;
 		<programlisting>
 static struct mtd_info board_mtd;
 static struct nand_chip board_chip;
-static unsigned long baseaddr;
+static void __iomem *baseaddr;
 		</programlisting>
 	</sect1>
 	<sect1 id="Partition_defines">
@@ -283,8 +283,8 @@ int __init board_init (void)
 	}
 
 	/* map physical address */
-	baseaddr = (unsigned long)ioremap(CHIP_PHYSICAL_ADDRESS, 1024);
-	if(!baseaddr){
+	baseaddr = ioremap(CHIP_PHYSICAL_ADDRESS, 1024);
+	if (!baseaddr) {
 		printk("Ioremap to access NAND chip failed\n");
 		err = -EIO;
 		goto out_mtd;
@@ -316,7 +316,7 @@ int __init board_init (void)
 	goto out;
 
 out_ior:
-	iounmap((void *)baseaddr);
+	iounmap(baseaddr);
 out_mtd:
 	kfree (board_mtd);
 out:
@@ -341,7 +341,7 @@ static void __exit board_cleanup (void)
 	nand_release (board_mtd);
 
 	/* unmap physical address */
-	iounmap((void *)baseaddr);
+	iounmap(baseaddr);
 	
 	/* Free the MTD device structure */
 	kfree (board_mtd);

From 030d2dd450a628b7a8e31e980af3d05854f68edb Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Tue, 5 Jan 2010 14:59:56 -0700
Subject: [PATCH 0017/3638] mtd: Update ep93xx/ts72xx to use generic platform
 nand driver

Update the ts72xx platform's nand driver support.

This changes the ts72xx platform from using a custom nand driver
(ts7250.c) to the generic platform nand driver (plat_nand.c).

Tested on TS-7250 with 32MiB NAND.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: Matthieu Crapet <mcrapet@gmail.com>
Cc: Jesse Off <joff@embeddedARM.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/mach-ep93xx/ts72xx.c | 196 +++++++++++++++++++++++-----------
 1 file changed, 135 insertions(+), 61 deletions(-)

diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 259f7822ba5..47a86f07831 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -10,12 +10,16 @@
  * your option) any later version.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/m48t86.h>
 #include <linux/mtd/physmap.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
 
 #include <mach/hardware.h>
 #include <mach/ts72xx.h>
@@ -54,92 +58,162 @@ static struct map_desc ts72xx_io_desc[] __initdata = {
 	}
 };
 
-static struct map_desc ts72xx_nand_io_desc[] __initdata = {
-	{
-		.virtual	= TS72XX_NAND_DATA_VIRT_BASE,
-		.pfn		= __phys_to_pfn(TS72XX_NAND1_DATA_PHYS_BASE),
-		.length		= TS72XX_NAND_DATA_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= TS72XX_NAND_CONTROL_VIRT_BASE,
-		.pfn		= __phys_to_pfn(TS72XX_NAND1_CONTROL_PHYS_BASE),
-		.length		= TS72XX_NAND_CONTROL_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= TS72XX_NAND_BUSY_VIRT_BASE,
-		.pfn		= __phys_to_pfn(TS72XX_NAND1_BUSY_PHYS_BASE),
-		.length		= TS72XX_NAND_BUSY_SIZE,
-		.type		= MT_DEVICE,
-	}
-};
-
-static struct map_desc ts72xx_alternate_nand_io_desc[] __initdata = {
-	{
-		.virtual	= TS72XX_NAND_DATA_VIRT_BASE,
-		.pfn		= __phys_to_pfn(TS72XX_NAND2_DATA_PHYS_BASE),
-		.length		= TS72XX_NAND_DATA_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= TS72XX_NAND_CONTROL_VIRT_BASE,
-		.pfn		= __phys_to_pfn(TS72XX_NAND2_CONTROL_PHYS_BASE),
-		.length		= TS72XX_NAND_CONTROL_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= TS72XX_NAND_BUSY_VIRT_BASE,
-		.pfn		= __phys_to_pfn(TS72XX_NAND2_BUSY_PHYS_BASE),
-		.length		= TS72XX_NAND_BUSY_SIZE,
-		.type		= MT_DEVICE,
-	}
-};
-
 static void __init ts72xx_map_io(void)
 {
 	ep93xx_map_io();
 	iotable_init(ts72xx_io_desc, ARRAY_SIZE(ts72xx_io_desc));
+}
 
-	/*
-	 * The TS-7200 has NOR flash, the other models have NAND flash.
-	 */
-	if (!board_is_ts7200()) {
-		if (is_ts9420_installed()) {
-			iotable_init(ts72xx_alternate_nand_io_desc,
-				ARRAY_SIZE(ts72xx_alternate_nand_io_desc));
-		} else {
-			iotable_init(ts72xx_nand_io_desc,
-				ARRAY_SIZE(ts72xx_nand_io_desc));
-		}
+
+/*************************************************************************
+ * NAND flash
+ *************************************************************************/
+#define TS72XX_NAND_CONTROL_ADDR_LINE	22	/* 0xN0400000 */
+#define TS72XX_NAND_BUSY_ADDR_LINE	23	/* 0xN0800000 */
+
+static void ts72xx_nand_hwcontrol(struct mtd_info *mtd,
+				  int cmd, unsigned int ctrl)
+{
+	struct nand_chip *chip = mtd->priv;
+
+	if (ctrl & NAND_CTRL_CHANGE) {
+		void __iomem *addr = chip->IO_ADDR_R;
+		unsigned char bits;
+
+		addr += (1 << TS72XX_NAND_CONTROL_ADDR_LINE);
+
+		bits = __raw_readb(addr) & ~0x07;
+		bits |= (ctrl & NAND_NCE) << 2;	/* bit 0 -> bit 2 */
+		bits |= (ctrl & NAND_CLE);	/* bit 1 -> bit 1 */
+		bits |= (ctrl & NAND_ALE) >> 2;	/* bit 2 -> bit 0 */
+
+		__raw_writeb(bits, addr);
+	}
+
+	if (cmd != NAND_CMD_NONE)
+		__raw_writeb(cmd, chip->IO_ADDR_W);
+}
+
+static int ts72xx_nand_device_ready(struct mtd_info *mtd)
+{
+	struct nand_chip *chip = mtd->priv;
+	void __iomem *addr = chip->IO_ADDR_R;
+
+	addr += (1 << TS72XX_NAND_BUSY_ADDR_LINE);
+
+	return !!(__raw_readb(addr) & 0x20);
+}
+
+static const char *ts72xx_nand_part_probes[] = { "cmdlinepart", NULL };
+
+#define TS72XX_BOOTROM_PART_SIZE	(SZ_16K)
+#define TS72XX_REDBOOT_PART_SIZE	(SZ_2M + SZ_1M)
+
+static struct mtd_partition ts72xx_nand_parts[] = {
+	{
+		.name		= "TS-BOOTROM",
+		.offset		= 0,
+		.size		= TS72XX_BOOTROM_PART_SIZE,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	}, {
+		.name		= "Linux",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 0,			/* filled in later */
+	}, {
+		.name		= "RedBoot",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	},
+};
+
+static void ts72xx_nand_set_parts(uint64_t size,
+				  struct platform_nand_chip *chip)
+{
+	/* Factory TS-72xx boards only come with 32MiB or 128MiB NAND options */
+	if (size == SZ_32M || size == SZ_128M) {
+		/* Set the "Linux" partition size */
+		ts72xx_nand_parts[1].size = size - TS72XX_REDBOOT_PART_SIZE;
+
+		chip->partitions = ts72xx_nand_parts;
+		chip->nr_partitions = ARRAY_SIZE(ts72xx_nand_parts);
+	} else {
+		pr_warning("Unknown nand disk size:%lluMiB\n", size >> 20);
 	}
 }
 
+static struct platform_nand_data ts72xx_nand_data = {
+	.chip = {
+		.nr_chips	= 1,
+		.chip_offset	= 0,
+		.chip_delay	= 15,
+		.part_probe_types = ts72xx_nand_part_probes,
+		.set_parts	= ts72xx_nand_set_parts,
+	},
+	.ctrl = {
+		.cmd_ctrl	= ts72xx_nand_hwcontrol,
+		.dev_ready	= ts72xx_nand_device_ready,
+	},
+};
+
+static struct resource ts72xx_nand_resource[] = {
+	{
+		.start		= 0,			/* filled in later */
+		.end		= 0,			/* filled in later */
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device ts72xx_nand_flash = {
+	.name			= "gen_nand",
+	.id			= -1,
+	.dev.platform_data	= &ts72xx_nand_data,
+	.resource		= ts72xx_nand_resource,
+	.num_resources		= ARRAY_SIZE(ts72xx_nand_resource),
+};
+
+
 /*************************************************************************
  * NOR flash (TS-7200 only)
  *************************************************************************/
-static struct physmap_flash_data ts72xx_flash_data = {
+static struct physmap_flash_data ts72xx_nor_data = {
 	.width		= 2,
 };
 
-static struct resource ts72xx_flash_resource = {
+static struct resource ts72xx_nor_resource = {
 	.start		= EP93XX_CS6_PHYS_BASE,
 	.end		= EP93XX_CS6_PHYS_BASE + SZ_16M - 1,
 	.flags		= IORESOURCE_MEM,
 };
 
-static struct platform_device ts72xx_flash = {
-	.name		= "physmap-flash",
-	.id		= 0,
-	.dev		= {
-		.platform_data	= &ts72xx_flash_data,
-	},
-	.num_resources	= 1,
-	.resource	= &ts72xx_flash_resource,
+static struct platform_device ts72xx_nor_flash = {
+	.name			= "physmap-flash",
+	.id			= 0,
+	.dev.platform_data	= &ts72xx_nor_data,
+	.resource		= &ts72xx_nor_resource,
+	.num_resources		= 1,
 };
 
 static void __init ts72xx_register_flash(void)
 {
-	if (board_is_ts7200())
-		platform_device_register(&ts72xx_flash);
+	if (board_is_ts7200()) {
+		platform_device_register(&ts72xx_nor_flash);
+	} else {
+		resource_size_t start;
+
+		if (is_ts9420_installed())
+			start = EP93XX_CS7_PHYS_BASE;
+		else
+			start = EP93XX_CS6_PHYS_BASE;
+
+		ts72xx_nand_resource[0].start = start;
+		ts72xx_nand_resource[0].end = start + SZ_16M - 1;
+
+		platform_device_register(&ts72xx_nand_flash);
+	}
 }
 
+
 static unsigned char ts72xx_rtc_readbyte(unsigned long addr)
 {
 	__raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);

From 7603757993e7ce3e63b2280ccf61d8058b7b2414 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Tue, 5 Jan 2010 14:59:58 -0700
Subject: [PATCH 0018/3638] mtd: Remove now-defunct ts7250 nand driver

The ts72xx platform has been updated to use the generic platform nand
driver (plat_nand.c).  This removes the now-defunct ts7250.c nand driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Matthieu Crapet <mcrapet@gmail.com>
Cc: Jesse Off <joff@embeddedARM.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/mach-ep93xx/include/mach/ts72xx.h |  19 --
 drivers/mtd/nand/Kconfig                   |   6 -
 drivers/mtd/nand/Makefile                  |   1 -
 drivers/mtd/nand/ts7250.c                  | 207 ---------------------
 4 files changed, 233 deletions(-)
 delete mode 100644 drivers/mtd/nand/ts7250.c

diff --git a/arch/arm/mach-ep93xx/include/mach/ts72xx.h b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
index 3bd934e9a7f..61c0e132c63 100644
--- a/arch/arm/mach-ep93xx/include/mach/ts72xx.h
+++ b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
@@ -9,9 +9,6 @@
  * febff000	22000000	4K	model number register
  * febfe000	22400000	4K	options register
  * febfd000	22800000	4K	options register #2
- * febfc000	[67]0000000	4K	NAND data register
- * febfb000	[67]0400000	4K	NAND control register
- * febfa000	[67]0800000	4K	NAND busy register
  * febf9000	10800000	4K	TS-5620 RTC index register
  * febf8000	11700000	4K	TS-5620 RTC data register
  */
@@ -41,22 +38,6 @@
 #define TS72XX_OPTIONS2_TS9420_BOOT	0x02
 
 
-#define TS72XX_NAND1_DATA_PHYS_BASE	0x60000000
-#define TS72XX_NAND2_DATA_PHYS_BASE	0x70000000
-#define TS72XX_NAND_DATA_VIRT_BASE	0xfebfc000
-#define TS72XX_NAND_DATA_SIZE		0x00001000
-
-#define TS72XX_NAND1_CONTROL_PHYS_BASE	0x60400000
-#define TS72XX_NAND2_CONTROL_PHYS_BASE	0x70400000
-#define TS72XX_NAND_CONTROL_VIRT_BASE	0xfebfb000
-#define TS72XX_NAND_CONTROL_SIZE	0x00001000
-
-#define TS72XX_NAND1_BUSY_PHYS_BASE	0x60800000
-#define TS72XX_NAND2_BUSY_PHYS_BASE	0x70800000
-#define TS72XX_NAND_BUSY_VIRT_BASE	0xfebfa000
-#define TS72XX_NAND_BUSY_SIZE		0x00001000
-
-
 #define TS72XX_RTC_INDEX_VIRT_BASE	0xfebf9000
 #define TS72XX_RTC_INDEX_PHYS_BASE	0x10800000
 #define TS72XX_RTC_INDEX_SIZE		0x00001000
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 2dcbccb50da..318ef2f2194 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -95,12 +95,6 @@ config MTD_NAND_OMAP_PREFETCH_DMA
 	 or in DMA interrupt mode.
 	 Say y for DMA mode or MPU mode will be used
 
-config MTD_NAND_TS7250
-	tristate "NAND Flash device on TS-7250 board"
-	depends on MACH_TS72XX
-	help
-	  Support for NAND flash on Technologic Systems TS-7250 platform.
-
 config MTD_NAND_IDS
 	tristate
 
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index bba5addadb9..355786846bc 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -19,7 +19,6 @@ obj-$(CONFIG_MTD_NAND_DISKONCHIP)	+= diskonchip.o
 obj-$(CONFIG_MTD_NAND_H1900)		+= h1910.o
 obj-$(CONFIG_MTD_NAND_RTC_FROM4)	+= rtc_from4.o
 obj-$(CONFIG_MTD_NAND_SHARPSL)		+= sharpsl.o
-obj-$(CONFIG_MTD_NAND_TS7250)		+= ts7250.o
 obj-$(CONFIG_MTD_NAND_NANDSIM)		+= nandsim.o
 obj-$(CONFIG_MTD_NAND_CS553X)		+= cs553x_nand.o
 obj-$(CONFIG_MTD_NAND_NDFC)		+= ndfc.o
diff --git a/drivers/mtd/nand/ts7250.c b/drivers/mtd/nand/ts7250.c
deleted file mode 100644
index 0f5562aeedc..00000000000
--- a/drivers/mtd/nand/ts7250.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * drivers/mtd/nand/ts7250.c
- *
- * Copyright (C) 2004 Technologic Systems (support@embeddedARM.com)
- *
- * Derived from drivers/mtd/nand/edb7312.c
- *   Copyright (C) 2004 Marius Gröger (mag@sysgo.de)
- *
- * Derived from drivers/mtd/nand/autcpu12.c
- *   Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Overview:
- *   This is a device driver for the NAND flash device found on the
- *   TS-7250 board which utilizes a Samsung 32 Mbyte part.
- */
-
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/partitions.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/ts72xx.h>
-
-#include <asm/sizes.h>
-#include <asm/mach-types.h>
-
-/*
- * MTD structure for TS7250 board
- */
-static struct mtd_info *ts7250_mtd = NULL;
-
-#ifdef CONFIG_MTD_PARTITIONS
-static const char *part_probes[] = { "cmdlinepart", NULL };
-
-#define NUM_PARTITIONS 3
-
-/*
- * Define static partitions for flash device
- */
-static struct mtd_partition partition_info32[] = {
-	{
-		.name		= "TS-BOOTROM",
-		.offset		= 0x00000000,
-		.size		= 0x00004000,
-	}, {
-		.name		= "Linux",
-		.offset		= 0x00004000,
-		.size		= 0x01d00000,
-	}, {
-		.name		= "RedBoot",
-		.offset		= 0x01d04000,
-		.size		= 0x002fc000,
-	},
-};
-
-/*
- * Define static partitions for flash device
- */
-static struct mtd_partition partition_info128[] = {
-	{
-		.name		= "TS-BOOTROM",
-		.offset		= 0x00000000,
-		.size		= 0x00004000,
-	}, {
-		.name		= "Linux",
-		.offset		= 0x00004000,
-		.size		= 0x07d00000,
-	}, {
-		.name		= "RedBoot",
-		.offset		= 0x07d04000,
-		.size		= 0x002fc000,
-	},
-};
-#endif
-
-
-/*
- *	hardware specific access to control-lines
- *
- *	ctrl:
- *	NAND_NCE: bit 0 -> bit 2
- *	NAND_CLE: bit 1 -> bit 1
- *	NAND_ALE: bit 2 -> bit 0
- */
-static void ts7250_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
-	struct nand_chip *chip = mtd->priv;
-
-	if (ctrl & NAND_CTRL_CHANGE) {
-		unsigned long addr = TS72XX_NAND_CONTROL_VIRT_BASE;
-		unsigned char bits;
-
-		bits = (ctrl & NAND_NCE) << 2;
-		bits |= ctrl & NAND_CLE;
-		bits |= (ctrl & NAND_ALE) >> 2;
-
-		__raw_writeb((__raw_readb(addr) & ~0x7) | bits, addr);
-	}
-
-	if (cmd != NAND_CMD_NONE)
-		writeb(cmd, chip->IO_ADDR_W);
-}
-
-/*
- *	read device ready pin
- */
-static int ts7250_device_ready(struct mtd_info *mtd)
-{
-	return __raw_readb(TS72XX_NAND_BUSY_VIRT_BASE) & 0x20;
-}
-
-/*
- * Main initialization routine
- */
-static int __init ts7250_init(void)
-{
-	struct nand_chip *this;
-	const char *part_type = 0;
-	int mtd_parts_nb = 0;
-	struct mtd_partition *mtd_parts = 0;
-
-	if (!machine_is_ts72xx() || board_is_ts7200())
-		return -ENXIO;
-
-	/* Allocate memory for MTD device structure and private data */
-	ts7250_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
-	if (!ts7250_mtd) {
-		printk("Unable to allocate TS7250 NAND MTD device structure.\n");
-		return -ENOMEM;
-	}
-
-	/* Get pointer to private data */
-	this = (struct nand_chip *)(&ts7250_mtd[1]);
-
-	/* Initialize structures */
-	memset(ts7250_mtd, 0, sizeof(struct mtd_info));
-	memset(this, 0, sizeof(struct nand_chip));
-
-	/* Link the private data with the MTD structure */
-	ts7250_mtd->priv = this;
-	ts7250_mtd->owner = THIS_MODULE;
-
-	/* insert callbacks */
-	this->IO_ADDR_R = (void *)TS72XX_NAND_DATA_VIRT_BASE;
-	this->IO_ADDR_W = (void *)TS72XX_NAND_DATA_VIRT_BASE;
-	this->cmd_ctrl = ts7250_hwcontrol;
-	this->dev_ready = ts7250_device_ready;
-	this->chip_delay = 15;
-	this->ecc.mode = NAND_ECC_SOFT;
-
-	printk("Searching for NAND flash...\n");
-	/* Scan to find existence of the device */
-	if (nand_scan(ts7250_mtd, 1)) {
-		kfree(ts7250_mtd);
-		return -ENXIO;
-	}
-#ifdef CONFIG_MTD_PARTITIONS
-	ts7250_mtd->name = "ts7250-nand";
-	mtd_parts_nb = parse_mtd_partitions(ts7250_mtd, part_probes, &mtd_parts, 0);
-	if (mtd_parts_nb > 0)
-		part_type = "command line";
-	else
-		mtd_parts_nb = 0;
-#endif
-	if (mtd_parts_nb == 0) {
-		mtd_parts = partition_info32;
-		if (ts7250_mtd->size >= (128 * 0x100000))
-			mtd_parts = partition_info128;
-		mtd_parts_nb = NUM_PARTITIONS;
-		part_type = "static";
-	}
-
-	/* Register the partitions */
-	printk(KERN_NOTICE "Using %s partition definition\n", part_type);
-	add_mtd_partitions(ts7250_mtd, mtd_parts, mtd_parts_nb);
-
-	/* Return happy */
-	return 0;
-}
-
-module_init(ts7250_init);
-
-/*
- * Clean up routine
- */
-static void __exit ts7250_cleanup(void)
-{
-	/* Unregister the device */
-	del_mtd_device(ts7250_mtd);
-
-	/* Free the MTD device structure */
-	kfree(ts7250_mtd);
-}
-
-module_exit(ts7250_cleanup);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Jesse Off <joff@embeddedARM.com>");
-MODULE_DESCRIPTION("MTD map driver for Technologic Systems TS-7250 board");

From 2d6bfc261a02662ec7a3a78df3e05e453e8b168d Mon Sep 17 00:00:00 2001
From: Peter Huewe <peterhuewe@gmx.de>
Date: Thu, 7 Jan 2010 02:51:13 +0100
Subject: [PATCH 0019/3638] mtd: orion_nand: Fix build failure caused by typo
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Commit e99030609e27abff7e1a868cb56384c678b09984 ("mtd: orion_nand.c: add
error handling and use resource_size()") introduced a build error -- it
assigns something to a undeclared variable 'err', whereas the rest of
the code uses 'ret' for this task.

This patch fixes this typo and thus removes the build failure.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 drivers/mtd/nand/orion_nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index 990346036d3..f16050c61c5 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -92,7 +92,7 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
-		err = -ENODEV;
+		ret = -ENODEV;
 		goto no_res;
 	}
 

From 6029a3a4625e485e01cf9a024d190c9d4e6b6681 Mon Sep 17 00:00:00 2001
From: Andrey Yurovsky <andrey@slug.(none)>
Date: Thu, 17 Dec 2009 12:31:20 -0800
Subject: [PATCH 0020/3638] mtd: nandsim: fix spelling

s/nanodeconds/nanoseconds

Signed-off-by: Andrey Yurovsky <yurovsky@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nandsim.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 7281000fef2..3cf91804867 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -135,8 +135,8 @@ MODULE_PARM_DESC(fourth_id_byte, "The fourth byte returned by NAND Flash 'read I
 MODULE_PARM_DESC(access_delay,   "Initial page access delay (microseconds)");
 MODULE_PARM_DESC(programm_delay, "Page programm delay (microseconds");
 MODULE_PARM_DESC(erase_delay,    "Sector erase delay (milliseconds)");
-MODULE_PARM_DESC(output_cycle,   "Word output (from flash) time (nanodeconds)");
-MODULE_PARM_DESC(input_cycle,    "Word input (to flash) time (nanodeconds)");
+MODULE_PARM_DESC(output_cycle,   "Word output (from flash) time (nanoseconds)");
+MODULE_PARM_DESC(input_cycle,    "Word input (to flash) time (nanoseconds)");
 MODULE_PARM_DESC(bus_width,      "Chip's bus width (8- or 16-bit)");
 MODULE_PARM_DESC(do_delays,      "Simulate NAND delays using busy-waits if not zero");
 MODULE_PARM_DESC(log,            "Perform logging if not zero");

From 377ace08eaaa3fb0c05b3fb7a86a5a1e9eb04673 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1rton=20N=C3=A9meth?= <nm127@freemail.hu>
Date: Sat, 9 Jan 2010 15:10:34 +0100
Subject: [PATCH 0021/3638] mtd: nand: make PCI device id constant
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The id_table field of the struct pci_driver is constant in <linux/pci.h>
so it is worth to make cafe_nand_tbl also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
	struct I1 {
	  ...
	  const struct I2 *x;
	  ...
	};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
	struct I1 y = {
	  .x = E,
	};
@c@
identifier r.I2;
identifier s.E;
@@
	const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+	const
	struct I2 E[] = ...;
// </smpl>

Signed-off-by: Márton Németh <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/cafe_nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index c828d9ac7bd..67e2b33f7ef 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -848,7 +848,7 @@ static void __devexit cafe_nand_remove(struct pci_dev *pdev)
 	kfree(mtd);
 }
 
-static struct pci_device_id cafe_nand_tbl[] = {
+static const struct pci_device_id cafe_nand_tbl[] = {
 	{ PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_88ALP01_NAND,
 	  PCI_ANY_ID, PCI_ANY_ID },
 	{ }

From b3acd638a2b8b9c3cd1b52b83e285c88d34ef7f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1rton=20N=C3=A9meth?= <nm127@freemail.hu>
Date: Sat, 9 Jan 2010 15:10:40 +0100
Subject: [PATCH 0022/3638] mtd: nand: make USB device id constant
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The id_table field of the struct usb_device_id is constant in <linux/usb.h>
so it is worth to make alauda_table also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
	struct I1 {
	  ...
	  const struct I2 *x;
	  ...
	};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
	struct I1 y = {
	  .x = E,
	};
@c@
identifier r.I2;
identifier s.E;
@@
	const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+	const
	struct I2 E[] = ...;
// </smpl>

Signed-off-by: Márton Németh <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/alauda.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/alauda.c b/drivers/mtd/nand/alauda.c
index 2d6773281fd..8691e0482ed 100644
--- a/drivers/mtd/nand/alauda.c
+++ b/drivers/mtd/nand/alauda.c
@@ -49,7 +49,7 @@
 
 #define TIMEOUT HZ
 
-static struct usb_device_id alauda_table [] = {
+static const struct usb_device_id alauda_table[] = {
 	{ USB_DEVICE(0x0584, 0x0008) },	/* Fujifilm DPC-R1 */
 	{ USB_DEVICE(0x07b4, 0x010a) },	/* Olympus MAUSB-10 */
 	{ }

From b2d4fbab79bd2b121c56db757c3a0f06ec7e0868 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1rton=20N=C3=A9meth?= <nm127@freemail.hu>
Date: Sat, 9 Jan 2010 15:10:46 +0100
Subject: [PATCH 0023/3638] mtd: nand: make Open Firmware device id constant
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The match_table field of the struct of_device_id is constant in <linux/of_platform.h>
so it is worth to make xps2_of_match also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
	struct I1 {
	  ...
	  const struct I2 *x;
	  ...
	};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
	struct I1 y = {
	  .x = E,
	};
@c@
identifier r.I2;
identifier s.E;
@@
	const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+	const
	struct I2 E[] = ...;
// </smpl>

Signed-off-by: Márton Németh <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/fsl_upm.c       | 2 +-
 drivers/mtd/nand/pasemi_nand.c   | 2 +-
 drivers/mtd/nand/socrates_nand.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index ab06a5b514a..d721ec055cb 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -349,7 +349,7 @@ static int __devexit fun_remove(struct of_device *ofdev)
 	return 0;
 }
 
-static struct of_device_id of_fun_match[] = {
+static const struct of_device_id of_fun_match[] = {
 	{ .compatible = "fsl,upm-nand" },
 	{},
 };
diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
index a8b9376cf32..090a05c12cb 100644
--- a/drivers/mtd/nand/pasemi_nand.c
+++ b/drivers/mtd/nand/pasemi_nand.c
@@ -209,7 +209,7 @@ static int __devexit pasemi_nand_remove(struct of_device *ofdev)
 	return 0;
 }
 
-static struct of_device_id pasemi_nand_match[] =
+static const struct of_device_id pasemi_nand_match[] =
 {
 	{
 		.compatible   = "pasemi,localbus-nand",
diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
index a4519a7bd68..65748ea2b34 100644
--- a/drivers/mtd/nand/socrates_nand.c
+++ b/drivers/mtd/nand/socrates_nand.c
@@ -290,7 +290,7 @@ static int __devexit socrates_nand_remove(struct of_device *ofdev)
 	return 0;
 }
 
-static struct of_device_id socrates_nand_match[] =
+static const struct of_device_id socrates_nand_match[] =
 {
 	{
 		.compatible   = "abb,socrates-nand",

From 17fabf156507ec0f688f1e58be02f38e04de0c6e Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jslaby@suse.cz>
Date: Sun, 10 Jan 2010 10:01:19 +0100
Subject: [PATCH 0024/3638] mtd: cfi: remove unneeded NULL checks

In cfi_intelext_setup and cfi_amdstd_setup, mtd is never NULL.
Remove unnecessary checks.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0001.c | 6 ++----
 drivers/mtd/chips/cfi_cmdset_0002.c | 6 ++----
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 5fbf29e1e64..92530433c11 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -615,10 +615,8 @@ static struct mtd_info *cfi_intelext_setup(struct mtd_info *mtd)
 	return mtd;
 
  setup_err:
-	if(mtd) {
-		kfree(mtd->eraseregions);
-		kfree(mtd);
-	}
+	kfree(mtd->eraseregions);
+	kfree(mtd);
 	kfree(cfi->cmdset_priv);
 	return NULL;
 }
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index f3600e8d538..1ebdcdd72d8 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -494,10 +494,8 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
 	return mtd;
 
  setup_err:
-	if(mtd) {
-		kfree(mtd->eraseregions);
-		kfree(mtd);
-	}
+	kfree(mtd->eraseregions);
+	kfree(mtd);
 	kfree(cfi->cmdset_priv);
 	kfree(cfi->cfiq);
 	return NULL;

From b840bc11b5062803c204d8a9625a1a1c5812d6d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 11 Jan 2010 15:05:35 +0100
Subject: [PATCH 0025/3638] mtd: mxc-nand: no need to check for validity of
 platform driver data
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The probe function calls platform_set_drvdata with a valid pointer when
the probe is successful.  As mxcnd_suspend and mxcnd_resume are only
called on bound devices, platform_get_drvdata always returns non-NULL.

This fix isn't critical as the pointer is always valid so it doesn't
matter if the compiler generated code for it or not.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/mxc_nand.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 45dec5770da..84f363571c2 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -886,11 +886,10 @@ static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
 	int ret = 0;
 
 	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
-	if (mtd) {
-		ret = mtd->suspend(mtd);
-		/* Disable the NFC clock */
-		clk_disable(host->clk);
-	}
+
+	ret = mtd->suspend(mtd);
+	/* Disable the NFC clock */
+	clk_disable(host->clk);
 
 	return ret;
 }
@@ -904,11 +903,9 @@ static int mxcnd_resume(struct platform_device *pdev)
 
 	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
 
-	if (mtd) {
-		/* Enable the NFC clock */
-		clk_enable(host->clk);
-		mtd->resume(mtd);
-	}
+	/* Enable the NFC clock */
+	clk_enable(host->clk);
+	mtd->resume(mtd);
 
 	return ret;
 }

From 9c14b153e6af1301f022d34f1f63888f333e3ef5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 11 Jan 2010 17:53:16 +0100
Subject: [PATCH 0026/3638] mtd: mxc-nand: don't disable clock in mxcnd-suspend
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The clock must already be off after mtd->suspend.  Disabling it again
results in an negative overflow of the clock usage count.  This didn't
hurt as mxcnd_resume undid it after wake up.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/mxc_nand.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 84f363571c2..970ce6bd06a 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -888,8 +888,12 @@ static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
 	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
 
 	ret = mtd->suspend(mtd);
-	/* Disable the NFC clock */
-	clk_disable(host->clk);
+
+	/*
+	 * nand_suspend locks the device for exclusive access, so
+	 * the clock must already be off.
+	 */
+	BUG_ON(!ret && host->clk_act);
 
 	return ret;
 }
@@ -903,8 +907,6 @@ static int mxcnd_resume(struct platform_device *pdev)
 
 	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
 
-	/* Enable the NFC clock */
-	clk_enable(host->clk);
 	mtd->resume(mtd);
 
 	return ret;

From 53f2b1c86a1fa1414be93571062ac4c263fa9fbc Mon Sep 17 00:00:00 2001
From: Jon Ringle <jon@ringle.org>
Date: Wed, 13 Jan 2010 09:36:10 -0500
Subject: [PATCH 0027/3638] mtd: ixp4xx: fix reading from half-word boundary

Fix handling of reads that don't start on a half-word boundary.

Signed-off-by: Jon Ringle <jon@ringle.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/ixp4xx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 7b051529741..7513d90fee6 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -107,8 +107,8 @@ static void ixp4xx_copy_from(struct map_info *map, void *to,
 		return;
 
 	if (from & 1) {
-		*dest++ = BYTE1(flash_read16(src));
-                src++;
+		*dest++ = BYTE1(flash_read16(src-1));
+		src++;
 		--len;
 	}
 

From 1449c5d0e8f25af6c903797a636696901122e4e8 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Fri, 15 Jan 2010 11:09:32 -0700
Subject: [PATCH 0028/3638] mtd: quiet sparse noise in cfi.h

In the inline function cfi_build_cmd_addr, the cast of cmd_ofs to an
uint8_t produces a sparse warning of the type:

warning: cast truncates bits from constant value (2aa becomes aa)

Quiet the warning by masking cmd_ofs with 0xff and remove the cast.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 include/linux/mtd/cfi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index df89f427523..a4eefc5810d 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -297,7 +297,7 @@ static inline uint32_t cfi_build_cmd_addr(uint32_t cmd_ofs,
 	 * and 32bit devices on 16 bit busses
 	 * set the low bit of the alternating bit sequence of the address.
 	 */
-	if (((type * interleave) > bankwidth) && ((uint8_t)cmd_ofs == 0xaa))
+	if (((type * interleave) > bankwidth) && ((cmd_ofs & 0xff) == 0xaa))
 		addr |= (type >> 1)*interleave;
 
 	return  addr;

From bcc98a46eafd38968b05e793326f031988c2b2a8 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Fri, 15 Jan 2010 11:25:38 -0700
Subject: [PATCH 0029/3638] mtd: fix different address space noise

In mtd_ioctl MEMGETREGIONINFO the region_user_info pointer ur
is cast in __kernel space. This produces a number of sparse warnings
like:

warning: cast removes address space of expression
warning: incorrect type in initializer (different address spaces)
   expected unsigned int const [noderef] <asn:1>*register __p
   got unsigned int *<noident>

Since argp is already a void __user * just use it dirrectly without
the cast and make ur a __user *.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdchar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 5b081cb8435..0a85085fe69 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -482,7 +482,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 	{
 		uint32_t ur_idx;
 		struct mtd_erase_region_info *kr;
-		struct region_info_user *ur = (struct region_info_user *) argp;
+		struct region_info_user __user *ur = argp;
 
 		if (get_user(ur_idx, &(ur->regionindex)))
 			return -EFAULT;

From 4335c1003ed05d5d5a386cd8008fc06a6d424ca2 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sun, 17 Jan 2010 10:52:46 -0500
Subject: [PATCH 0030/3638] mtd: maps: Blackfin async: rename local funcs to
 avoid common clashes

There are new Blackfin MMR helper functions that use the same name as some
of the local functions in this driver, so have the driver use more specific
names to avoid the issue.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/bfin-async-flash.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/maps/bfin-async-flash.c b/drivers/mtd/maps/bfin-async-flash.c
index a7c808b577d..5824fd49800 100644
--- a/drivers/mtd/maps/bfin-async-flash.c
+++ b/drivers/mtd/maps/bfin-async-flash.c
@@ -69,7 +69,7 @@ static void switch_back(struct async_state *state)
 	local_irq_restore(state->irq_flags);
 }
 
-static map_word bfin_read(struct map_info *map, unsigned long ofs)
+static map_word bfin_flash_read(struct map_info *map, unsigned long ofs)
 {
 	struct async_state *state = (struct async_state *)map->map_priv_1;
 	uint16_t word;
@@ -85,7 +85,7 @@ static map_word bfin_read(struct map_info *map, unsigned long ofs)
 	return test;
 }
 
-static void bfin_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
+static void bfin_flash_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
 {
 	struct async_state *state = (struct async_state *)map->map_priv_1;
 
@@ -96,7 +96,7 @@ static void bfin_copy_from(struct map_info *map, void *to, unsigned long from, s
 	switch_back(state);
 }
 
-static void bfin_write(struct map_info *map, map_word d1, unsigned long ofs)
+static void bfin_flash_write(struct map_info *map, map_word d1, unsigned long ofs)
 {
 	struct async_state *state = (struct async_state *)map->map_priv_1;
 	uint16_t d;
@@ -111,7 +111,7 @@ static void bfin_write(struct map_info *map, map_word d1, unsigned long ofs)
 	switch_back(state);
 }
 
-static void bfin_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
+static void bfin_flash_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
 {
 	struct async_state *state = (struct async_state *)map->map_priv_1;
 
@@ -140,10 +140,10 @@ static int __devinit bfin_flash_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	state->map.name       = DRIVER_NAME;
-	state->map.read       = bfin_read;
-	state->map.copy_from  = bfin_copy_from;
-	state->map.write      = bfin_write;
-	state->map.copy_to    = bfin_copy_to;
+	state->map.read       = bfin_flash_read;
+	state->map.copy_from  = bfin_flash_copy_from;
+	state->map.write      = bfin_flash_write;
+	state->map.copy_to    = bfin_flash_copy_to;
 	state->map.bankwidth  = pdata->width;
 	state->map.size       = memory->end - memory->start + 1;
 	state->map.virt       = (void __iomem *)memory->start;

From 0040476b0efa99ad0d4ffb81d8e882095420d288 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Fri, 29 Jan 2010 10:35:04 +0100
Subject: [PATCH 0031/3638] mtd: change positive error return into negative

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdchar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 0a85085fe69..bce0a07cbac 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -373,7 +373,7 @@ static int mtd_do_writeoob(struct file *file, struct mtd_info *mtd,
 	if (!mtd->write_oob)
 		ret = -EOPNOTSUPP;
 	else
-		ret = access_ok(VERIFY_READ, ptr, length) ? 0 : EFAULT;
+		ret = access_ok(VERIFY_READ, ptr, length) ? 0 : -EFAULT;
 
 	if (ret)
 		return ret;

From f1332ba2f23800bb5d52457ac150c568dfb1f3bf Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 20:57:11 +0000
Subject: [PATCH 0032/3638] mtd: Introduce and use iteration macro for reading
 the MTD device table

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtd_blkdevs.c | 10 ++++----
 drivers/mtd/mtdcore.c     | 54 ++++++++++++++++++---------------------
 drivers/mtd/mtdcore.h     | 15 +++++++++++
 3 files changed, 45 insertions(+), 34 deletions(-)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index c82e09bbc5f..85a52b3c769 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -335,7 +335,8 @@ static struct mtd_notifier blktrans_notifier = {
 
 int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
 {
-	int ret, i;
+	struct mtd_info *mtd;
+	int ret;
 
 	/* Register the notifier if/when the first device type is
 	   registered, to prevent the link/init ordering from fucking
@@ -389,10 +390,9 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
 	INIT_LIST_HEAD(&tr->devs);
 	list_add(&tr->list, &blktrans_majors);
 
-	for (i=0; i<MAX_MTD_DEVICES; i++) {
-		if (mtd_table[i] && mtd_table[i]->type != MTD_ABSENT)
-			tr->add_mtd(tr, mtd_table[i]);
-	}
+	mtd_for_each_device(mtd)
+		if (mtd->type != MTD_ABSENT)
+			tr->add_mtd(tr, mtd);
 
 	mutex_unlock(&mtd_table_mutex);
 
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index c356c0a30c3..402d41723c3 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -381,7 +381,7 @@ int del_mtd_device (struct mtd_info *mtd)
 
 void register_mtd_user (struct mtd_notifier *new)
 {
-	int i;
+	struct mtd_info *mtd;
 
 	mutex_lock(&mtd_table_mutex);
 
@@ -389,9 +389,8 @@ void register_mtd_user (struct mtd_notifier *new)
 
  	__module_get(THIS_MODULE);
 
-	for (i=0; i< MAX_MTD_DEVICES; i++)
-		if (mtd_table[i])
-			new->add(mtd_table[i]);
+	mtd_for_each_device(mtd)
+		new->add(mtd);
 
 	mutex_unlock(&mtd_table_mutex);
 }
@@ -408,15 +407,14 @@ void register_mtd_user (struct mtd_notifier *new)
 
 int unregister_mtd_user (struct mtd_notifier *old)
 {
-	int i;
+	struct mtd_info *mtd;
 
 	mutex_lock(&mtd_table_mutex);
 
 	module_put(THIS_MODULE);
 
-	for (i=0; i< MAX_MTD_DEVICES; i++)
-		if (mtd_table[i])
-			old->remove(mtd_table[i]);
+	mtd_for_each_device(mtd)
+		old->remove(mtd);
 
 	list_del(&old->list);
 	mutex_unlock(&mtd_table_mutex);
@@ -438,15 +436,18 @@ int unregister_mtd_user (struct mtd_notifier *old)
 
 struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num)
 {
-	struct mtd_info *ret = NULL;
-	int i, err = -ENODEV;
+	struct mtd_info *ret = NULL, *other;
+	int err = -ENODEV;
 
 	mutex_lock(&mtd_table_mutex);
 
 	if (num == -1) {
-		for (i=0; i< MAX_MTD_DEVICES; i++)
-			if (mtd_table[i] == mtd)
-				ret = mtd_table[i];
+		mtd_for_each_device(other) {
+			if (other == mtd) {
+				ret = mtd;
+				break;
+			}
+		}
 	} else if (num >= 0 && num < MAX_MTD_DEVICES) {
 		ret = mtd_table[num];
 		if (mtd && mtd != ret)
@@ -487,14 +488,14 @@ out_unlock:
 
 struct mtd_info *get_mtd_device_nm(const char *name)
 {
-	int i, err = -ENODEV;
-	struct mtd_info *mtd = NULL;
+	int err = -ENODEV;
+	struct mtd_info *mtd = NULL, *other;
 
 	mutex_lock(&mtd_table_mutex);
 
-	for (i = 0; i < MAX_MTD_DEVICES; i++) {
-		if (mtd_table[i] && !strcmp(name, mtd_table[i]->name)) {
-			mtd = mtd_table[i];
+	mtd_for_each_device(other) {
+		if (!strcmp(name, other->name)) {
+			mtd = other;
 			break;
 		}
 	}
@@ -581,14 +582,9 @@ EXPORT_SYMBOL_GPL(default_mtd_writev);
 
 static struct proc_dir_entry *proc_mtd;
 
-static inline int mtd_proc_info (char *buf, int i)
+static inline int mtd_proc_info(char *buf, struct mtd_info *this)
 {
-	struct mtd_info *this = mtd_table[i];
-
-	if (!this)
-		return 0;
-
-	return sprintf(buf, "mtd%d: %8.8llx %8.8x \"%s\"\n", i,
+	return sprintf(buf, "mtd%d: %8.8llx %8.8x \"%s\"\n", this->index,
 		       (unsigned long long)this->size,
 		       this->erasesize, this->name);
 }
@@ -596,15 +592,15 @@ static inline int mtd_proc_info (char *buf, int i)
 static int mtd_read_proc (char *page, char **start, off_t off, int count,
 			  int *eof, void *data_unused)
 {
-	int len, l, i;
+	struct mtd_info *mtd;
+	int len, l;
         off_t   begin = 0;
 
 	mutex_lock(&mtd_table_mutex);
 
 	len = sprintf(page, "dev:    size   erasesize  name\n");
-        for (i=0; i< MAX_MTD_DEVICES; i++) {
-
-                l = mtd_proc_info(page + len, i);
+	mtd_for_each_device(mtd) {
+		l = mtd_proc_info(page + len, mtd);
                 len += l;
                 if (len+begin > off+count)
                         goto done;
diff --git a/drivers/mtd/mtdcore.h b/drivers/mtd/mtdcore.h
index a33251f4b87..e2f93a30073 100644
--- a/drivers/mtd/mtdcore.h
+++ b/drivers/mtd/mtdcore.h
@@ -9,3 +9,18 @@
 
 extern struct mutex mtd_table_mutex;
 extern struct mtd_info *mtd_table[MAX_MTD_DEVICES];
+
+static inline struct mtd_info *__mtd_next_device(int i)
+{
+	while (i < MAX_MTD_DEVICES) {
+		if (mtd_table[i])
+			return mtd_table[i];
+		i++;
+	}
+	return NULL;
+}
+
+#define mtd_for_each_device(mtd)			\
+	for ((mtd) = __mtd_next_device(0);		\
+	     (mtd) != NULL;				\
+	     (mtd) = __mtd_next_device(mtd->index + 1))

From 677c2aec8cdd5ae33b5fab266941cf6c6dc4d59f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 20:57:18 +0000
Subject: [PATCH 0033/3638] mtd: Use get_mtd_device_nm() to find named device
 in get_sb_mtd()

This removes the need to know the number of MTD devices.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdsuper.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c
index af8b42e0a55..d2570523d70 100644
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c
@@ -150,18 +150,12 @@ int get_sb_mtd(struct file_system_type *fs_type, int flags,
 			DEBUG(1, "MTDSB: mtd:%%s, name \"%s\"\n",
 			      dev_name + 4);
 
-			for (mtdnr = 0; mtdnr < MAX_MTD_DEVICES; mtdnr++) {
-				mtd = get_mtd_device(NULL, mtdnr);
-				if (!IS_ERR(mtd)) {
-					if (!strcmp(mtd->name, dev_name + 4))
-						return get_sb_mtd_aux(
-							fs_type, flags,
-							dev_name, data, mtd,
-							fill_super, mnt);
-
-					put_mtd_device(mtd);
-				}
-			}
+			mtd = get_mtd_device_nm(dev_name + 4);
+			if (!IS_ERR(mtd))
+				return get_sb_mtd_aux(
+					fs_type, flags,
+					dev_name, data, mtd,
+					fill_super, mnt);
 
 			printk(KERN_NOTICE "MTD:"
 			       " MTD device with name \"%s\" not found.\n",

From e99e90aef17517d99be8e049b2f5cc563cd6862a Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 20:58:08 +0000
Subject: [PATCH 0034/3638] mtd: nandsim: Define CONFIG_NANDSIM_MAX_PARTS and
 use it instead of MAX_MTD_DEVICES

MAX_MTD_DEVICES is about to be removed.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nandsim.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 3cf91804867..8a0a5d16e0e 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -80,6 +80,9 @@
 #ifndef CONFIG_NANDSIM_DBG
 #define CONFIG_NANDSIM_DBG        0
 #endif
+#ifndef CONFIG_NANDSIM_MAX_PARTS
+#define CONFIG_NANDSIM_MAX_PARTS  32
+#endif
 
 static uint first_id_byte  = CONFIG_NANDSIM_FIRST_ID_BYTE;
 static uint second_id_byte = CONFIG_NANDSIM_SECOND_ID_BYTE;
@@ -94,7 +97,7 @@ static uint bus_width      = CONFIG_NANDSIM_BUS_WIDTH;
 static uint do_delays      = CONFIG_NANDSIM_DO_DELAYS;
 static uint log            = CONFIG_NANDSIM_LOG;
 static uint dbg            = CONFIG_NANDSIM_DBG;
-static unsigned long parts[MAX_MTD_DEVICES];
+static unsigned long parts[CONFIG_NANDSIM_MAX_PARTS];
 static unsigned int parts_num;
 static char *badblocks = NULL;
 static char *weakblocks = NULL;
@@ -288,7 +291,7 @@ union ns_mem {
  * The structure which describes all the internal simulator data.
  */
 struct nandsim {
-	struct mtd_partition partitions[MAX_MTD_DEVICES];
+	struct mtd_partition partitions[CONFIG_NANDSIM_MAX_PARTS];
 	unsigned int nbparts;
 
 	uint busw;              /* flash chip bus width (8 or 16) */

From 24c15496771ea1f3902dee23f746042ba34dc2b8 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 20:58:23 +0000
Subject: [PATCH 0035/3638] mtd: Remove unnecessary comparisons with
 MAX_MTD_DEVICES

MAX_MTD_DEVICES is about to be removed.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/pmc551.c | 4 ++--
 drivers/mtd/mtdchar.c        | 3 ---
 drivers/mtd/mtdoops.c        | 5 -----
 3 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/mtd/devices/pmc551.c b/drivers/mtd/devices/pmc551.c
index d2fd550f7e0..fc8ea0a57ac 100644
--- a/drivers/mtd/devices/pmc551.c
+++ b/drivers/mtd/devices/pmc551.c
@@ -668,7 +668,7 @@ static int __init init_pmc551(void)
 {
 	struct pci_dev *PCI_Device = NULL;
 	struct mypriv *priv;
-	int count, found = 0;
+	int found = 0;
 	struct mtd_info *mtd;
 	u32 length = 0;
 
@@ -695,7 +695,7 @@ static int __init init_pmc551(void)
 	/*
 	 * PCU-bus chipset probe.
 	 */
-	for (count = 0; count < MAX_MTD_DEVICES; count++) {
+	for (;;) {
 
 		if ((PCI_Device = pci_get_device(PCI_VENDOR_ID_V3_SEMI,
 						  PCI_DEVICE_ID_V3_SEMI_V370PDC,
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index bce0a07cbac..9f826cda274 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -67,9 +67,6 @@ static int mtd_open(struct inode *inode, struct file *file)
 
 	DEBUG(MTD_DEBUG_LEVEL0, "MTD_open\n");
 
-	if (devnum >= MAX_MTD_DEVICES)
-		return -ENODEV;
-
 	/* You can't open the RO devices RW */
 	if ((file->f_mode & FMODE_WRITE) && (minor & 1))
 		return -EACCES;
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 92e12df0917..328313c3dcc 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -429,11 +429,6 @@ static int __init mtdoops_init(void)
 	mtd_index = simple_strtoul(mtddev, &endp, 0);
 	if (*endp == '\0')
 		cxt->mtd_index = mtd_index;
-	if (cxt->mtd_index > MAX_MTD_DEVICES) {
-		printk(KERN_ERR "mtdoops: invalid mtd device number (%u) given\n",
-				mtd_index);
-		return -EINVAL;
-	}
 
 	cxt->oops_buf = vmalloc(record_size);
 	if (!cxt->oops_buf) {

From cbfe93e9cedfcd59689bad9e67f57ef67545e5a0 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 20:58:37 +0000
Subject: [PATCH 0036/3638] mtd: mtdblock: Dynamically allocate cache info
 structures

Since we allocate struct mtd_blktrans_dev for each block device, we
can add our own structure members to the end.  Therefore embed
struct mtd_blktrans_dev in struct mtdblk_dev and remove the static
array of struct mtdblk_dev.  Also remove the redundant pointer to
struct mtd_info.

This is preparation for removing the static limit on the number of MTD
devices.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdblock.c | 74 ++++++++++++++++++------------------------
 1 file changed, 31 insertions(+), 43 deletions(-)

diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index 9f41b1a853c..69f6bf2e0a8 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -19,15 +19,15 @@
 #include <linux/mutex.h>
 
 
-static struct mtdblk_dev {
-	struct mtd_info *mtd;
+struct mtdblk_dev {
+	struct mtd_blktrans_dev mbd;
 	int count;
 	struct mutex cache_mutex;
 	unsigned char *cache_data;
 	unsigned long cache_offset;
 	unsigned int cache_size;
 	enum { STATE_EMPTY, STATE_CLEAN, STATE_DIRTY } cache_state;
-} *mtdblks[MAX_MTD_DEVICES];
+};
 
 static struct mutex mtdblks_lock;
 
@@ -98,7 +98,7 @@ static int erase_write (struct mtd_info *mtd, unsigned long pos,
 
 static int write_cached_data (struct mtdblk_dev *mtdblk)
 {
-	struct mtd_info *mtd = mtdblk->mtd;
+	struct mtd_info *mtd = mtdblk->mbd.mtd;
 	int ret;
 
 	if (mtdblk->cache_state != STATE_DIRTY)
@@ -128,7 +128,7 @@ static int write_cached_data (struct mtdblk_dev *mtdblk)
 static int do_cached_write (struct mtdblk_dev *mtdblk, unsigned long pos,
 			    int len, const char *buf)
 {
-	struct mtd_info *mtd = mtdblk->mtd;
+	struct mtd_info *mtd = mtdblk->mbd.mtd;
 	unsigned int sect_size = mtdblk->cache_size;
 	size_t retlen;
 	int ret;
@@ -198,7 +198,7 @@ static int do_cached_write (struct mtdblk_dev *mtdblk, unsigned long pos,
 static int do_cached_read (struct mtdblk_dev *mtdblk, unsigned long pos,
 			   int len, char *buf)
 {
-	struct mtd_info *mtd = mtdblk->mtd;
+	struct mtd_info *mtd = mtdblk->mbd.mtd;
 	unsigned int sect_size = mtdblk->cache_size;
 	size_t retlen;
 	int ret;
@@ -244,16 +244,16 @@ static int do_cached_read (struct mtdblk_dev *mtdblk, unsigned long pos,
 static int mtdblock_readsect(struct mtd_blktrans_dev *dev,
 			      unsigned long block, char *buf)
 {
-	struct mtdblk_dev *mtdblk = mtdblks[dev->devnum];
+	struct mtdblk_dev *mtdblk = container_of(dev, struct mtdblk_dev, mbd);
 	return do_cached_read(mtdblk, block<<9, 512, buf);
 }
 
 static int mtdblock_writesect(struct mtd_blktrans_dev *dev,
 			      unsigned long block, char *buf)
 {
-	struct mtdblk_dev *mtdblk = mtdblks[dev->devnum];
+	struct mtdblk_dev *mtdblk = container_of(dev, struct mtdblk_dev, mbd);
 	if (unlikely(!mtdblk->cache_data && mtdblk->cache_size)) {
-		mtdblk->cache_data = vmalloc(mtdblk->mtd->erasesize);
+		mtdblk->cache_data = vmalloc(mtdblk->mbd.mtd->erasesize);
 		if (!mtdblk->cache_data)
 			return -EINTR;
 		/* -EINTR is not really correct, but it is the best match
@@ -266,37 +266,26 @@ static int mtdblock_writesect(struct mtd_blktrans_dev *dev,
 
 static int mtdblock_open(struct mtd_blktrans_dev *mbd)
 {
-	struct mtdblk_dev *mtdblk;
-	struct mtd_info *mtd = mbd->mtd;
-	int dev = mbd->devnum;
+	struct mtdblk_dev *mtdblk = container_of(mbd, struct mtdblk_dev, mbd);
 
 	DEBUG(MTD_DEBUG_LEVEL1,"mtdblock_open\n");
 
 	mutex_lock(&mtdblks_lock);
-	if (mtdblks[dev]) {
-		mtdblks[dev]->count++;
+	if (mtdblk->count) {
+		mtdblk->count++;
 		mutex_unlock(&mtdblks_lock);
 		return 0;
 	}
 
 	/* OK, it's not open. Create cache info for it */
-	mtdblk = kzalloc(sizeof(struct mtdblk_dev), GFP_KERNEL);
-	if (!mtdblk) {
-		mutex_unlock(&mtdblks_lock);
-		return -ENOMEM;
-	}
-
 	mtdblk->count = 1;
-	mtdblk->mtd = mtd;
-
 	mutex_init(&mtdblk->cache_mutex);
 	mtdblk->cache_state = STATE_EMPTY;
-	if ( !(mtdblk->mtd->flags & MTD_NO_ERASE) && mtdblk->mtd->erasesize) {
-		mtdblk->cache_size = mtdblk->mtd->erasesize;
+	if (!(mbd->mtd->flags & MTD_NO_ERASE) && mbd->mtd->erasesize) {
+		mtdblk->cache_size = mbd->mtd->erasesize;
 		mtdblk->cache_data = NULL;
 	}
 
-	mtdblks[dev] = mtdblk;
 	mutex_unlock(&mtdblks_lock);
 
 	DEBUG(MTD_DEBUG_LEVEL1, "ok\n");
@@ -306,8 +295,7 @@ static int mtdblock_open(struct mtd_blktrans_dev *mbd)
 
 static int mtdblock_release(struct mtd_blktrans_dev *mbd)
 {
-	int dev = mbd->devnum;
-	struct mtdblk_dev *mtdblk = mtdblks[dev];
+	struct mtdblk_dev *mtdblk = container_of(mbd, struct mtdblk_dev, mbd);
 
    	DEBUG(MTD_DEBUG_LEVEL1, "mtdblock_release\n");
 
@@ -318,12 +306,10 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd)
 	mutex_unlock(&mtdblk->cache_mutex);
 
 	if (!--mtdblk->count) {
-		/* It was the last usage. Free the device */
-		mtdblks[dev] = NULL;
-		if (mtdblk->mtd->sync)
-			mtdblk->mtd->sync(mtdblk->mtd);
+		/* It was the last usage. Free the cache */
+		if (mbd->mtd->sync)
+			mbd->mtd->sync(mbd->mtd);
 		vfree(mtdblk->cache_data);
-		kfree(mtdblk);
 	}
 
 	mutex_unlock(&mtdblks_lock);
@@ -335,40 +321,42 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd)
 
 static int mtdblock_flush(struct mtd_blktrans_dev *dev)
 {
-	struct mtdblk_dev *mtdblk = mtdblks[dev->devnum];
+	struct mtdblk_dev *mtdblk = container_of(dev, struct mtdblk_dev, mbd);
 
 	mutex_lock(&mtdblk->cache_mutex);
 	write_cached_data(mtdblk);
 	mutex_unlock(&mtdblk->cache_mutex);
 
-	if (mtdblk->mtd->sync)
-		mtdblk->mtd->sync(mtdblk->mtd);
+	if (dev->mtd->sync)
+		dev->mtd->sync(dev->mtd);
 	return 0;
 }
 
 static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 {
-	struct mtd_blktrans_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	struct mtdblk_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 
 	if (!dev)
 		return;
 
-	dev->mtd = mtd;
-	dev->devnum = mtd->index;
+	dev->mbd.mtd = mtd;
+	dev->mbd.devnum = mtd->index;
 
-	dev->size = mtd->size >> 9;
-	dev->tr = tr;
+	dev->mbd.size = mtd->size >> 9;
+	dev->mbd.tr = tr;
 
 	if (!(mtd->flags & MTD_WRITEABLE))
-		dev->readonly = 1;
+		dev->mbd.readonly = 1;
 
-	add_mtd_blktrans_dev(dev);
+	add_mtd_blktrans_dev(&dev->mbd);
 }
 
 static void mtdblock_remove_dev(struct mtd_blktrans_dev *dev)
 {
+	struct mtdblk_dev *mtdblk = container_of(dev, struct mtdblk_dev, mbd);
+
 	del_mtd_blktrans_dev(dev);
-	kfree(dev);
+	kfree(mtdblk);
 }
 
 static struct mtd_blktrans_ops mtdblock_tr = {

From 4d1ee80f3a7df7fe9cdec26e651e6201c45b10d4 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 20:59:17 +0000
Subject: [PATCH 0037/3638] idr: export idr_get_next()

idr_get_next() was accidentally not exported when added.  It is about
to be used by mtdcore, which may be built as a module.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 lib/idr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/idr.c b/lib/idr.c
index 1cac726c44b..21f9266d1e4 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -621,7 +621,7 @@ void *idr_get_next(struct idr *idp, int *nextidp)
 	}
 	return NULL;
 }
-
+EXPORT_SYMBOL(idr_get_next);
 
 
 /**

From b520e412faaaad35641aeedd6059179f9f1b393c Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 20:59:42 +0000
Subject: [PATCH 0038/3638] mtd: Replace static array of devices with an idr
 structure

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdcore.c   | 137 +++++++++++++++++++++-------------------
 drivers/mtd/mtdcore.h   |  12 +---
 include/linux/mtd/mtd.h |   1 -
 3 files changed, 74 insertions(+), 76 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 402d41723c3..b3b98d1fffc 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/mtd/compatmac.h>
 #include <linux/proc_fs.h>
+#include <linux/idr.h>
 
 #include <linux/mtd/mtd.h>
 #include "internal.h"
@@ -33,13 +34,18 @@ static struct class mtd_class = {
 	.resume = mtd_cls_resume,
 };
 
+static DEFINE_IDR(mtd_idr);
+
 /* These are exported solely for the purpose of mtd_blkdevs.c. You
    should not use them for _anything_ else */
 DEFINE_MUTEX(mtd_table_mutex);
-struct mtd_info *mtd_table[MAX_MTD_DEVICES];
-
 EXPORT_SYMBOL_GPL(mtd_table_mutex);
-EXPORT_SYMBOL_GPL(mtd_table);
+
+struct mtd_info *__mtd_next_device(int i)
+{
+	return idr_get_next(&mtd_idr, &i);
+}
+EXPORT_SYMBOL_GPL(__mtd_next_device);
 
 static LIST_HEAD(mtd_notifiers);
 
@@ -235,13 +241,13 @@ static struct device_type mtd_devtype = {
  *	Add a device to the list of MTD devices present in the system, and
  *	notify each currently active MTD 'user' of its arrival. Returns
  *	zero on success or 1 on failure, which currently will only happen
- *	if the number of present devices exceeds MAX_MTD_DEVICES (i.e. 16)
- *	or there's a sysfs error.
+ *	if there is insufficient memory or a sysfs error.
  */
 
 int add_mtd_device(struct mtd_info *mtd)
 {
-	int i;
+	struct mtd_notifier *not;
+	int i, error;
 
 	if (!mtd->backing_dev_info) {
 		switch (mtd->type) {
@@ -260,70 +266,73 @@ int add_mtd_device(struct mtd_info *mtd)
 	BUG_ON(mtd->writesize == 0);
 	mutex_lock(&mtd_table_mutex);
 
-	for (i=0; i < MAX_MTD_DEVICES; i++)
-		if (!mtd_table[i]) {
-			struct mtd_notifier *not;
+	do {
+		if (!idr_pre_get(&mtd_idr, GFP_KERNEL))
+			goto fail_locked;
+		error = idr_get_new(&mtd_idr, mtd, &i);
+	} while (error == -EAGAIN);
 
-			mtd_table[i] = mtd;
-			mtd->index = i;
-			mtd->usecount = 0;
+	if (error)
+		goto fail_locked;
 
-			if (is_power_of_2(mtd->erasesize))
-				mtd->erasesize_shift = ffs(mtd->erasesize) - 1;
-			else
-				mtd->erasesize_shift = 0;
+	mtd->index = i;
+	mtd->usecount = 0;
 
-			if (is_power_of_2(mtd->writesize))
-				mtd->writesize_shift = ffs(mtd->writesize) - 1;
-			else
-				mtd->writesize_shift = 0;
+	if (is_power_of_2(mtd->erasesize))
+		mtd->erasesize_shift = ffs(mtd->erasesize) - 1;
+	else
+		mtd->erasesize_shift = 0;
 
-			mtd->erasesize_mask = (1 << mtd->erasesize_shift) - 1;
-			mtd->writesize_mask = (1 << mtd->writesize_shift) - 1;
+	if (is_power_of_2(mtd->writesize))
+		mtd->writesize_shift = ffs(mtd->writesize) - 1;
+	else
+		mtd->writesize_shift = 0;
 
-			/* Some chips always power up locked. Unlock them now */
-			if ((mtd->flags & MTD_WRITEABLE)
-			    && (mtd->flags & MTD_POWERUP_LOCK) && mtd->unlock) {
-				if (mtd->unlock(mtd, 0, mtd->size))
-					printk(KERN_WARNING
-					       "%s: unlock failed, "
-					       "writes may not work\n",
-					       mtd->name);
-			}
+	mtd->erasesize_mask = (1 << mtd->erasesize_shift) - 1;
+	mtd->writesize_mask = (1 << mtd->writesize_shift) - 1;
 
-			/* Caller should have set dev.parent to match the
-			 * physical device.
-			 */
-			mtd->dev.type = &mtd_devtype;
-			mtd->dev.class = &mtd_class;
-			mtd->dev.devt = MTD_DEVT(i);
-			dev_set_name(&mtd->dev, "mtd%d", i);
-			dev_set_drvdata(&mtd->dev, mtd);
-			if (device_register(&mtd->dev) != 0) {
-				mtd_table[i] = NULL;
-				break;
-			}
+	/* Some chips always power up locked. Unlock them now */
+	if ((mtd->flags & MTD_WRITEABLE)
+	    && (mtd->flags & MTD_POWERUP_LOCK) && mtd->unlock) {
+		if (mtd->unlock(mtd, 0, mtd->size))
+			printk(KERN_WARNING
+			       "%s: unlock failed, writes may not work\n",
+			       mtd->name);
+	}
 
-			if (MTD_DEVT(i))
-				device_create(&mtd_class, mtd->dev.parent,
-						MTD_DEVT(i) + 1,
-						NULL, "mtd%dro", i);
+	/* Caller should have set dev.parent to match the
+	 * physical device.
+	 */
+	mtd->dev.type = &mtd_devtype;
+	mtd->dev.class = &mtd_class;
+	mtd->dev.devt = MTD_DEVT(i);
+	dev_set_name(&mtd->dev, "mtd%d", i);
+	dev_set_drvdata(&mtd->dev, mtd);
+	if (device_register(&mtd->dev) != 0)
+		goto fail_added;
 
-			DEBUG(0, "mtd: Giving out device %d to %s\n",i, mtd->name);
-			/* No need to get a refcount on the module containing
-			   the notifier, since we hold the mtd_table_mutex */
-			list_for_each_entry(not, &mtd_notifiers, list)
-				not->add(mtd);
+	if (MTD_DEVT(i))
+		device_create(&mtd_class, mtd->dev.parent,
+			      MTD_DEVT(i) + 1,
+			      NULL, "mtd%dro", i);
 
-			mutex_unlock(&mtd_table_mutex);
-			/* We _know_ we aren't being removed, because
-			   our caller is still holding us here. So none
-			   of this try_ nonsense, and no bitching about it
-			   either. :) */
-			__module_get(THIS_MODULE);
-			return 0;
-		}
+	DEBUG(0, "mtd: Giving out device %d to %s\n", i, mtd->name);
+	/* No need to get a refcount on the module containing
+	   the notifier, since we hold the mtd_table_mutex */
+	list_for_each_entry(not, &mtd_notifiers, list)
+		not->add(mtd);
 
+	mutex_unlock(&mtd_table_mutex);
+	/* We _know_ we aren't being removed, because
+	   our caller is still holding us here. So none
+	   of this try_ nonsense, and no bitching about it
+	   either. :) */
+	__module_get(THIS_MODULE);
+	return 0;
+
+fail_added:
+	idr_remove(&mtd_idr, i);
+fail_locked:
 	mutex_unlock(&mtd_table_mutex);
 	return 1;
 }
@@ -344,7 +353,7 @@ int del_mtd_device (struct mtd_info *mtd)
 
 	mutex_lock(&mtd_table_mutex);
 
-	if (mtd_table[mtd->index] != mtd) {
+	if (idr_find(&mtd_idr, mtd->index) != mtd) {
 		ret = -ENODEV;
 	} else if (mtd->usecount) {
 		printk(KERN_NOTICE "Removing MTD device #%d (%s) with use count %d\n",
@@ -360,7 +369,7 @@ int del_mtd_device (struct mtd_info *mtd)
 		list_for_each_entry(not, &mtd_notifiers, list)
 			not->remove(mtd);
 
-		mtd_table[mtd->index] = NULL;
+		idr_remove(&mtd_idr, mtd->index);
 
 		module_put(THIS_MODULE);
 		ret = 0;
@@ -448,8 +457,8 @@ struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num)
 				break;
 			}
 		}
-	} else if (num >= 0 && num < MAX_MTD_DEVICES) {
-		ret = mtd_table[num];
+	} else if (num >= 0) {
+		ret = idr_find(&mtd_idr, num);
 		if (mtd && mtd != ret)
 			ret = NULL;
 	}
diff --git a/drivers/mtd/mtdcore.h b/drivers/mtd/mtdcore.h
index e2f93a30073..6a64fdebc89 100644
--- a/drivers/mtd/mtdcore.h
+++ b/drivers/mtd/mtdcore.h
@@ -8,17 +8,7 @@
    should not use them for _anything_ else */
 
 extern struct mutex mtd_table_mutex;
-extern struct mtd_info *mtd_table[MAX_MTD_DEVICES];
-
-static inline struct mtd_info *__mtd_next_device(int i)
-{
-	while (i < MAX_MTD_DEVICES) {
-		if (mtd_table[i])
-			return mtd_table[i];
-		i++;
-	}
-	return NULL;
-}
+extern struct mtd_info *__mtd_next_device(int i);
 
 #define mtd_for_each_device(mtd)			\
 	for ((mtd) = __mtd_next_device(0);		\
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 0f32a9b6ff5..ba53ecca107 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -20,7 +20,6 @@
 
 #define MTD_CHAR_MAJOR 90
 #define MTD_BLOCK_MAJOR 31
-#define MAX_MTD_DEVICES 32
 
 #define MTD_ERASE_PENDING      	0x01
 #define MTD_ERASING		0x02

From 4d3a8534bdbcf4843fc8ad05c9a81a964fc65237 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 20:59:53 +0000
Subject: [PATCH 0039/3638] mtd: Raise limit on block device minor numbers

add_mtd_blktrans_dev() imposes a maximum of 257 devices per block
translator.  This was presumably meant to prevent overflow back in the
days of 8-bit minor numbers.  Instead, check against MINORMASK and the
limits of the partition naming scheme.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtd_blkdevs.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 85a52b3c769..2f8c202dbd8 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -242,9 +242,12 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	if (new->devnum == -1)
 		new->devnum = last_devnum+1;
 
-	if ((new->devnum << tr->part_bits) > 256) {
+	/* Check that the device and any partitions will get valid
+	 * minor numbers and that the disk naming code below can cope
+	 * with this number. */
+	if (new->devnum > (MINORMASK >> tr->part_bits) ||
+	    (tr->part_bits && new->devnum >= 27 * 26))
 		return -EBUSY;
-	}
 
 	list_add_tail(&new->list, &tr->devs);
  added:

From dad0db318b391ddb9845ac5e52044f921219bf69 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 29 Jan 2010 21:00:04 +0000
Subject: [PATCH 0040/3638] mtdchar: Register the full range of minor numbers

register_chrdev() registers minor numbers up to 255, but we can now
potentially have much larger numbers.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdchar.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 9f826cda274..c355491d132 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -955,7 +955,8 @@ static int __init init_mtdchar(void)
 {
 	int status;
 
-	status = register_chrdev(MTD_CHAR_MAJOR, "mtd", &mtd_fops);
+	status = __register_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS,
+				   "mtd", &mtd_fops);
 	if (status < 0) {
 		printk(KERN_NOTICE "Can't allocate major number %d for Memory Technology Devices.\n",
 		       MTD_CHAR_MAJOR);
@@ -966,7 +967,7 @@ static int __init init_mtdchar(void)
 
 static void __exit cleanup_mtdchar(void)
 {
-	unregister_chrdev(MTD_CHAR_MAJOR, "mtd");
+	__unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd");
 }
 
 module_init(init_mtdchar);

From 9a5dea7b1046510fdcc81c523405494fd07ec303 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Tue, 9 Feb 2010 13:42:39 +0200
Subject: [PATCH 0041/3638] mtd: maps: ceiva: do not return random numbers

When machine_is_ceiva() returns zero, 'clps_setup_flash()' returns a
value of an unitialized variable. Fix this.

Spotted by David Binderman.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/ceiva.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/maps/ceiva.c b/drivers/mtd/maps/ceiva.c
index d41f34766e5..c09f4f57093 100644
--- a/drivers/mtd/maps/ceiva.c
+++ b/drivers/mtd/maps/ceiva.c
@@ -253,7 +253,7 @@ static void __exit clps_destroy_mtd(struct clps_info *clps, struct mtd_info *mtd
 
 static int __init clps_setup_flash(void)
 {
-	int nr;
+	int nr = 0;
 
 #ifdef CONFIG_ARCH_CEIVA
 	if (machine_is_ceiva()) {

From 91f8026603d4443d1b24ee3552c5a58682bbae27 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Tue, 2 Feb 2010 14:43:10 -0800
Subject: [PATCH 0042/3638] JFFS2: avoid using C++ keyword `new' in
 userspace-visible header

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=14995

Reported-by: R. Diez <rdiezmail-kernelbugzilla@yahoo.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/fs.c         | 10 +++++-----
 fs/jffs2/nodelist.h   |  8 ++++----
 include/linux/jffs2.h |  4 ++--
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 3451a81b214..86e0821fc98 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -313,8 +313,8 @@ struct inode *jffs2_iget(struct super_block *sb, unsigned long ino)
 	case S_IFBLK:
 	case S_IFCHR:
 		/* Read the device numbers from the media */
-		if (f->metadata->size != sizeof(jdev.old) &&
-		    f->metadata->size != sizeof(jdev.new)) {
+		if (f->metadata->size != sizeof(jdev.old_id) &&
+		    f->metadata->size != sizeof(jdev.new_id)) {
 			printk(KERN_NOTICE "Device node has strange size %d\n", f->metadata->size);
 			goto error_io;
 		}
@@ -325,10 +325,10 @@ struct inode *jffs2_iget(struct super_block *sb, unsigned long ino)
 			printk(KERN_NOTICE "Read device numbers for inode %lu failed\n", (unsigned long)inode->i_ino);
 			goto error;
 		}
-		if (f->metadata->size == sizeof(jdev.old))
-			rdev = old_decode_dev(je16_to_cpu(jdev.old));
+		if (f->metadata->size == sizeof(jdev.old_id))
+			rdev = old_decode_dev(je16_to_cpu(jdev.old_id));
 		else
-			rdev = new_decode_dev(je32_to_cpu(jdev.new));
+			rdev = new_decode_dev(je32_to_cpu(jdev.new_id));
 
 	case S_IFSOCK:
 	case S_IFIFO:
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 507ed6ec184..36d7a849ee2 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -312,11 +312,11 @@ static inline int jffs2_blocks_use_vmalloc(struct jffs2_sb_info *c)
 static inline int jffs2_encode_dev(union jffs2_device_node *jdev, dev_t rdev)
 {
 	if (old_valid_dev(rdev)) {
-		jdev->old = cpu_to_je16(old_encode_dev(rdev));
-		return sizeof(jdev->old);
+		jdev->old_id = cpu_to_je16(old_encode_dev(rdev));
+		return sizeof(jdev->old_id);
 	} else {
-		jdev->new = cpu_to_je32(new_encode_dev(rdev));
-		return sizeof(jdev->new);
+		jdev->new_id = cpu_to_je32(new_encode_dev(rdev));
+		return sizeof(jdev->new_id);
 	}
 }
 
diff --git a/include/linux/jffs2.h b/include/linux/jffs2.h
index 2b32d638147..0874ab59ffe 100644
--- a/include/linux/jffs2.h
+++ b/include/linux/jffs2.h
@@ -215,8 +215,8 @@ union jffs2_node_union
 
 /* Data payload for device nodes. */
 union jffs2_device_node {
-	jint16_t old;
-	jint32_t new;
+	jint16_t old_id;
+	jint32_t new_id;
 };
 
 #endif /* __LINUX_JFFS2_H__ */

From 6fe5a6acdc126107e54a6c584536e09ab7dde949 Mon Sep 17 00:00:00 2001
From: Vimal Singh <vimalsingh@ti.com>
Date: Wed, 3 Feb 2010 14:12:24 +0530
Subject: [PATCH 0043/3638] mtd: nand: create a helper verification function

... verification for 'nand_erase_nand'

These checks are expected to be used by 'nand_lock' and 'nand_unlock'
routines too. As all these three are block aligned operations.
So, creating a helper function for this makes sense.

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 48 ++++++++++++++++++++++--------------
 1 file changed, 30 insertions(+), 18 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 8f2958fe214..2dfeb4bea83 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -108,6 +108,35 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
  */
 DEFINE_LED_TRIGGER(nand_led_trigger);
 
+static int check_offs_len(struct mtd_info *mtd,
+					loff_t ofs, uint64_t len)
+{
+	struct nand_chip *chip = mtd->priv;
+	int ret = 0;
+
+	/* Start address must align on block boundary */
+	if (ofs & ((1 << chip->phys_erase_shift) - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL0, "%s: Unaligned address\n", __func__);
+		ret = -EINVAL;
+	}
+
+	/* Length must align on block boundary */
+	if (len & ((1 << chip->phys_erase_shift) - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL0, "%s: Length not block aligned\n",
+					__func__);
+		ret = -EINVAL;
+	}
+
+	/* Do not allow past end of device */
+	if (ofs + len > mtd->size) {
+		DEBUG(MTD_DEBUG_LEVEL0, "%s: Past end of device\n",
+					__func__);
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
 /**
  * nand_release_device - [GENERIC] release chip
  * @mtd:	MTD device structure
@@ -2293,25 +2322,8 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
 				__func__, (unsigned long long)instr->addr,
 				(unsigned long long)instr->len);
 
-	/* Start address must align on block boundary */
-	if (instr->addr & ((1 << chip->phys_erase_shift) - 1)) {
-		DEBUG(MTD_DEBUG_LEVEL0, "%s: Unaligned address\n", __func__);
+	if (check_offs_len(mtd, instr->addr, instr->len))
 		return -EINVAL;
-	}
-
-	/* Length must align on block boundary */
-	if (instr->len & ((1 << chip->phys_erase_shift) - 1)) {
-		DEBUG(MTD_DEBUG_LEVEL0, "%s: Length not block aligned\n",
-					__func__);
-		return -EINVAL;
-	}
-
-	/* Do not allow erase past end of device */
-	if ((instr->len + instr->addr) > mtd->size) {
-		DEBUG(MTD_DEBUG_LEVEL0, "%s: Erase past end of device\n",
-					__func__);
-		return -EINVAL;
-	}
 
 	instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
 

From 7d70f334ad2bf1b3aaa1f0699c0f442e14bcc9e0 Mon Sep 17 00:00:00 2001
From: Vimal Singh <vimal.newwork@gmail.com>
Date: Mon, 8 Feb 2010 15:50:49 +0530
Subject: [PATCH 0044/3638] mtd: nand: add lock/unlock routines

Add nand lock / unlock routines. At least 'micron' parts
support this.

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 164 +++++++++++++++++++++++++++++++++++
 include/linux/mtd/nand.h     |  10 +++
 2 files changed, 174 insertions(+)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 2dfeb4bea83..ed62e1ee0f8 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -863,6 +863,168 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
 	return status;
 }
 
+/**
+ * __nand_unlock - [REPLACABLE] unlocks specified locked blockes
+ *
+ * @param mtd - mtd info
+ * @param ofs - offset to start unlock from
+ * @param len - length to unlock
+ * @invert -  when = 0, unlock the range of blocks within the lower and
+ *                      upper boundary address
+ *            whne = 1, unlock the range of blocks outside the boundaries
+ *                      of the lower and upper boundary address
+ *
+ * @return - unlock status
+ */
+static int __nand_unlock(struct mtd_info *mtd, loff_t ofs,
+					uint64_t len, int invert)
+{
+	int ret = 0;
+	int status, page;
+	struct nand_chip *chip = mtd->priv;
+
+	/* Submit address of first page to unlock */
+	page = ofs >> chip->page_shift;
+	chip->cmdfunc(mtd, NAND_CMD_UNLOCK1, -1, page & chip->pagemask);
+
+	/* Submit address of last page to unlock */
+	page = (ofs + len) >> chip->page_shift;
+	chip->cmdfunc(mtd, NAND_CMD_UNLOCK2, -1,
+				(page | invert) & chip->pagemask);
+
+	/* Call wait ready function */
+	status = chip->waitfunc(mtd, chip);
+	udelay(1000);
+	/* See if device thinks it succeeded */
+	if (status & 0x01) {
+		DEBUG(MTD_DEBUG_LEVEL0, "%s: Error status = 0x%08x\n",
+					__func__, status);
+		ret = -EIO;
+	}
+
+	return ret;
+}
+
+/**
+ * nand_unlock - [REPLACABLE] unlocks specified locked blockes
+ *
+ * @param mtd - mtd info
+ * @param ofs - offset to start unlock from
+ * @param len - length to unlock
+ *
+ * @return - unlock status
+ */
+int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+	int ret = 0;
+	int chipnr;
+	struct nand_chip *chip = mtd->priv;
+
+	DEBUG(MTD_DEBUG_LEVEL3, "%s: start = 0x%012llx, len = %llu\n",
+			__func__, (unsigned long long)ofs, len);
+
+	if (check_offs_len(mtd, ofs, len))
+		ret = -EINVAL;
+
+	/* Align to last block address if size addresses end of the device */
+	if (ofs + len == mtd->size)
+		len -= mtd->erasesize;
+
+	nand_get_device(chip, mtd, FL_UNLOCKING);
+
+	/* Shift to get chip number */
+	chipnr = ofs >> chip->chip_shift;
+
+	chip->select_chip(mtd, chipnr);
+
+	/* Check, if it is write protected */
+	if (nand_check_wp(mtd)) {
+		DEBUG(MTD_DEBUG_LEVEL0, "%s: Device is write protected!!!\n",
+					__func__);
+		ret = -EIO;
+		goto out;
+	}
+
+	ret = __nand_unlock(mtd, ofs, len, 0);
+
+out:
+	/* de-select the NAND device */
+	chip->select_chip(mtd, -1);
+
+	nand_release_device(mtd);
+
+	return ret;
+}
+
+/**
+ * nand_lock - [REPLACABLE] locks all blockes present in the device
+ *
+ * @param mtd - mtd info
+ * @param ofs - offset to start unlock from
+ * @param len - length to unlock
+ *
+ * @return - lock status
+ *
+ * This feature is not support in many NAND parts. 'Micron' NAND parts
+ * do have this feature, but it allows only to lock all blocks not for
+ * specified range for block.
+ *
+ * Implementing 'lock' feature by making use of 'unlock', for now.
+ */
+int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+	int ret = 0;
+	int chipnr, status, page;
+	struct nand_chip *chip = mtd->priv;
+
+	DEBUG(MTD_DEBUG_LEVEL3, "%s: start = 0x%012llx, len = %llu\n",
+			__func__, (unsigned long long)ofs, len);
+
+	if (check_offs_len(mtd, ofs, len))
+		ret = -EINVAL;
+
+	nand_get_device(chip, mtd, FL_LOCKING);
+
+	/* Shift to get chip number */
+	chipnr = ofs >> chip->chip_shift;
+
+	chip->select_chip(mtd, chipnr);
+
+	/* Check, if it is write protected */
+	if (nand_check_wp(mtd)) {
+		DEBUG(MTD_DEBUG_LEVEL0, "%s: Device is write protected!!!\n",
+					__func__);
+		status = MTD_ERASE_FAILED;
+		ret = -EIO;
+		goto out;
+	}
+
+	/* Submit address of first page to lock */
+	page = ofs >> chip->page_shift;
+	chip->cmdfunc(mtd, NAND_CMD_LOCK, -1, page & chip->pagemask);
+
+	/* Call wait ready function */
+	status = chip->waitfunc(mtd, chip);
+	udelay(1000);
+	/* See if device thinks it succeeded */
+	if (status & 0x01) {
+		DEBUG(MTD_DEBUG_LEVEL0, "%s: Error status = 0x%08x\n",
+					__func__, status);
+		ret = -EIO;
+		goto out;
+	}
+
+	ret = __nand_unlock(mtd, ofs, len, 0x1);
+
+out:
+	/* de-select the NAND device */
+	chip->select_chip(mtd, -1);
+
+	nand_release_device(mtd);
+
+	return ret;
+}
+
 /**
  * nand_read_page_raw - [Intern] read raw page data without ecc
  * @mtd:	mtd info structure
@@ -3089,6 +3251,8 @@ void nand_release(struct mtd_info *mtd)
 		kfree(chip->buffers);
 }
 
+EXPORT_SYMBOL_GPL(nand_lock);
+EXPORT_SYMBOL_GPL(nand_unlock);
 EXPORT_SYMBOL_GPL(nand_scan);
 EXPORT_SYMBOL_GPL(nand_scan_ident);
 EXPORT_SYMBOL_GPL(nand_scan_tail);
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index ccab9dfc521..48bc2c54302 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -38,6 +38,12 @@ extern void nand_release (struct mtd_info *mtd);
 /* Internal helper for board drivers which need to override command function */
 extern void nand_wait_ready(struct mtd_info *mtd);
 
+/* locks all blockes present in the device */
+extern int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
+
+/* unlocks specified locked blockes */
+extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
+
 /* The maximum number of NAND chips in an array */
 #define NAND_MAX_CHIPS		8
 
@@ -82,6 +88,10 @@ extern void nand_wait_ready(struct mtd_info *mtd);
 #define NAND_CMD_ERASE2		0xd0
 #define NAND_CMD_RESET		0xff
 
+#define NAND_CMD_LOCK		0x2a
+#define NAND_CMD_UNLOCK1	0x23
+#define NAND_CMD_UNLOCK2	0x24
+
 /* Extended commands for large page devices */
 #define NAND_CMD_READSTART	0x30
 #define NAND_CMD_RNDOUTSTART	0xE0

From 932f5d21ccd2705f1fb22e8a9e0da42013dcee17 Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@nokia.com>
Date: Wed, 10 Feb 2010 19:03:19 +0200
Subject: [PATCH 0045/3638] mtd: OneNAND: do not use DMA if oops in progress

Otherwise we may hang if we are called from panic() through mtdoops.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/omap2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 75f38b95811..dfbab6c72b7 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -308,7 +308,7 @@ static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
 		goto out_copy;
 
 	/* panic_write() may be in an interrupt context */
-	if (in_interrupt())
+	if (in_interrupt() || oops_in_progress)
 		goto out_copy;
 
 	if (buf >= high_memory) {
@@ -385,7 +385,7 @@ static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
 		goto out_copy;
 
 	/* panic_write() may be in an interrupt context */
-	if (in_interrupt())
+	if (in_interrupt() || oops_in_progress)
 		goto out_copy;
 
 	if (buf >= high_memory) {

From 35109451f18280000ce5e7b76ac8d29eb222823b Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Mon, 15 Feb 2010 22:57:24 +0100
Subject: [PATCH 0046/3638] mtd: inftl: misplaced parenthesis in
 find_boot_record

The parenthesis was misplaced, upon error a one was shown.

[dwmw2: Fix the code not to do the assignment within the if() statement]
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/inftlmount.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c
index 32e82aef3e5..8f988d7d3c5 100644
--- a/drivers/mtd/inftlmount.c
+++ b/drivers/mtd/inftlmount.c
@@ -100,9 +100,10 @@ static int find_boot_record(struct INFTLrecord *inftl)
 		}
 
 		/* To be safer with BIOS, also use erase mark as discriminant */
-		if ((ret = inftl_read_oob(mtd, block * inftl->EraseSize +
-					  SECTORSIZE + 8, 8, &retlen,
-					  (char *)&h1) < 0)) {
+		ret = inftl_read_oob(mtd,
+				     block * inftl->EraseSize + SECTORSIZE + 8,
+				     8, &retlen,(char *)&h1);
+		if (ret < 0) {
 			printk(KERN_WARNING "INFTL: ANAND header found at "
 				"0x%x in mtd%d, but OOB data read failed "
 				"(err %d)\n", block * inftl->EraseSize,

From 66803762c19f2e45ff4cc13cf63194589eb698c2 Mon Sep 17 00:00:00 2001
From: Eric Benard <eric@eukrea.com>
Date: Wed, 9 Dec 2009 12:12:43 +0100
Subject: [PATCH 0047/3638] mtd: mxc_nand: add RESET command support

mxc_nand driver must support the RESET Command in order to support
Micron NAND which need a reset before any other command.

Signed-off-by: Eric Benard <eric@eukrea.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/mxc_nand.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 970ce6bd06a..06cc378196b 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -638,6 +638,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
 
 	case NAND_CMD_ERASE1:
 	case NAND_CMD_ERASE2:
+	case NAND_CMD_RESET:
 		send_cmd(host, command, false);
 		mxc_do_addr_cycle(mtd, column, page_addr);
 

From f3e69c6584be2db1ccd5292d6a1d7c566d265701 Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Tue, 15 Dec 2009 23:01:06 +0100
Subject: [PATCH 0048/3638] mtd: move more manufacturers to the common cfi.h
 header file

Move MANUFACTURER_MACRONIX and MANUFACTURER_SST definitions to the
include/linux/mtd/cfi.h header file and rename them to CFI_MFR_MACRONIX and
CFI_MFR_SST.

All references in drivers/mtd/chips/cfi_cmdset_0002.c are updated to reflect
this.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 14 +++++---------
 include/linux/mtd/cfi.h             | 12 +++++++-----
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 1ebdcdd72d8..ea2a7f66ddf 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -43,10 +43,6 @@
 
 #define MAX_WORD_RETRIES 3
 
-#define MANUFACTURER_AMD	0x0001
-#define MANUFACTURER_ATMEL	0x001F
-#define MANUFACTURER_MACRONIX	0x00C2
-#define MANUFACTURER_SST	0x00BF
 #define SST49LF004B	        0x0060
 #define SST49LF040B	        0x0050
 #define SST49LF008A		0x005a
@@ -168,7 +164,7 @@ static void fixup_amd_bootblock(struct mtd_info *mtd, void* param)
 			 * This reduces the risk of false detection due to
 			 * the 8-bit device ID.
 			 */
-			(cfi->mfr == MANUFACTURER_MACRONIX)) {
+			(cfi->mfr == CFI_MFR_MACRONIX)) {
 			DEBUG(MTD_DEBUG_LEVEL1,
 				"%s: Macronix MX29LV400C with bottom boot block"
 				" detected\n", map->name);
@@ -286,7 +282,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
 	{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
 #ifdef AMD_BOOTLOC_BUG
 	{ CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
-	{ MANUFACTURER_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock, NULL },
+	{ CFI_MFR_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock, NULL },
 #endif
 	{ CFI_MFR_AMD, 0x0050, fixup_use_secsi, NULL, },
 	{ CFI_MFR_AMD, 0x0053, fixup_use_secsi, NULL, },
@@ -304,9 +300,9 @@ static struct cfi_fixup cfi_fixup_table[] = {
 	{ 0, 0, NULL, NULL }
 };
 static struct cfi_fixup jedec_fixup_table[] = {
-	{ MANUFACTURER_SST, SST49LF004B, fixup_use_fwh_lock, NULL, },
-	{ MANUFACTURER_SST, SST49LF040B, fixup_use_fwh_lock, NULL, },
-	{ MANUFACTURER_SST, SST49LF008A, fixup_use_fwh_lock, NULL, },
+	{ CFI_MFR_SST, SST49LF004B, fixup_use_fwh_lock, NULL, },
+	{ CFI_MFR_SST, SST49LF040B, fixup_use_fwh_lock, NULL, },
+	{ CFI_MFR_SST, SST49LF008A, fixup_use_fwh_lock, NULL, },
 	{ 0, 0, NULL, NULL }
 };
 
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index a4eefc5810d..cee05b1e62b 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -518,11 +518,13 @@ struct cfi_fixup {
 #define CFI_MFR_ANY 0xffff
 #define CFI_ID_ANY  0xffff
 
-#define CFI_MFR_AMD	0x0001
-#define CFI_MFR_INTEL	0x0089
-#define CFI_MFR_ATMEL	0x001F
-#define CFI_MFR_SAMSUNG	0x00EC
-#define CFI_MFR_ST	0x0020 /* STMicroelectronics */
+#define CFI_MFR_AMD		0x0001
+#define CFI_MFR_ATMEL		0x001F
+#define CFI_MFR_INTEL		0x0089
+#define CFI_MFR_MACRONIX	0x00C2
+#define CFI_MFR_SAMSUNG		0x00EC
+#define CFI_MFR_SST		0x00BF
+#define CFI_MFR_ST		0x0020 /* STMicroelectronics */
 
 void cfi_fixup(struct mtd_info *mtd, struct cfi_fixup* fixups);
 

From bdaefc41627b6f2815ef7aa476dfa4ebb3ad499f Mon Sep 17 00:00:00 2001
From: Vimal Singh <vimalsingh@ti.com>
Date: Tue, 5 Jan 2010 12:49:24 +0530
Subject: [PATCH 0049/3638] mtd: omap2: fixing compilation warning

Fixing below warning in compilation:
drivers/mtd/nand/omap2.c: In function 'omap_write_buf_dma_pref':
drivers/mtd/nand/omap2.c:508: warning: passing argument 2 of
'omap_nand_dma_transfer' discards qualifiers from pointer target type

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/omap2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 1bb799f0125..4eea97c03b2 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -505,7 +505,7 @@ static void omap_write_buf_dma_pref(struct mtd_info *mtd,
 		omap_write_buf_pref(mtd, buf, len);
 	else
 		/* start transfer in DMA mode */
-		omap_nand_dma_transfer(mtd, buf, len, 0x1);
+		omap_nand_dma_transfer(mtd, (u_char *) buf, len, 0x1);
 }
 
 /**

From f35b6eda5184e46bf2393d8970b4b9498daf7bcf Mon Sep 17 00:00:00 2001
From: Vimal Singh <vimalsingh@ti.com>
Date: Tue, 5 Jan 2010 16:01:08 +0530
Subject: [PATCH 0050/3638] mtd: omap2: correct 'info' pointer in
 'omap_nand_remove'

Removing OMAP NAND driver, when loaded as a module, gives error and
does not get success. This fixes this and makes driver loadable and
removable run time.

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/omap2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 4eea97c03b2..16120e2dd4a 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1054,7 +1054,8 @@ out_free_info:
 static int omap_nand_remove(struct platform_device *pdev)
 {
 	struct mtd_info *mtd = platform_get_drvdata(pdev);
-	struct omap_nand_info *info = mtd->priv;
+	struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
+							mtd);
 
 	platform_set_drvdata(pdev, NULL);
 	if (use_dma)

From c3341d0ceb4de1680572024f50233403c6a8b10d Mon Sep 17 00:00:00 2001
From: Vimal Singh <vimal.newwork@gmail.com>
Date: Thu, 7 Jan 2010 12:16:26 +0530
Subject: [PATCH 0051/3638] mtd: omap2 fix prefetch mode read issue

There is a bug in nand prefetch read routine, which comes into effect
only if nand device is a 16-bit device (as we have in zoom boards).
This bug is effective only with below combination of conditions:
1. nand deivce, in use, is a 16 bit device
2. nand driver supports 'subpage' read
3. SW ECC is in use

This was not seen old  kernel (ex: .23), because when, in early days,
we tested this (nand prefetch read in LDP boards) there was no
'subpage read' support.
Later when we had subpage read in (.27) kernel, we had hw ecc enabled
always in our internal tree. So, we missed this bug.

This patch fixes the issue.

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/omap2.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 16120e2dd4a..7df303aed8a 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -295,11 +295,14 @@ static void omap_read_buf_pref(struct mtd_info *mtd, u_char *buf, int len)
 	u32 *p = (u32 *)buf;
 
 	/* take care of subpage reads */
-	for (; len % 4 != 0; ) {
-		*buf++ = __raw_readb(info->nand.IO_ADDR_R);
-		len--;
+	if (len % 4) {
+		if (info->nand.options & NAND_BUSWIDTH_16)
+			omap_read_buf16(mtd, buf, len % 4);
+		else
+			omap_read_buf8(mtd, buf, len % 4);
+		p = (u32 *) (buf + len % 4);
+		len -= len % 4;
 	}
-	p = (u32 *) buf;
 
 	/* configure and start prefetch transfer */
 	ret = gpmc_prefetch_enable(info->gpmc_cs, 0x0, len, 0x0);

From 1385858ee07cbfd68c503a10e4a526d24223d465 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Fri, 22 Jan 2010 22:22:52 +0100
Subject: [PATCH 0052/3638] mtd: nand_bcm: fix hot spin and code duplication

In the branch where pagesize equalled NAND_DATA_ACCESS_SIZE, NumToRead
wasn't decremented in the `while (numToRead > 11)' loop.
Also the first and last while loops were duplicated in both branches.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_bcm_umi.h | 77 ++++++++++++---------------------
 1 file changed, 28 insertions(+), 49 deletions(-)

diff --git a/drivers/mtd/nand/nand_bcm_umi.h b/drivers/mtd/nand/nand_bcm_umi.h
index 7cec2cd9785..198b304d6f7 100644
--- a/drivers/mtd/nand/nand_bcm_umi.h
+++ b/drivers/mtd/nand/nand_bcm_umi.h
@@ -167,18 +167,27 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize,
 	int numToRead = 16;	/* There are 16 bytes per sector in the OOB */
 
 	/* ECC is already paused when this function is called */
+	if (pageSize != NAND_DATA_ACCESS_SIZE) {
+		/* skip BI */
+#if defined(__KERNEL__) && !defined(STANDALONE)
+		*oobp++ = REG_NAND_DATA8;
+#else
+		REG_NAND_DATA8;
+#endif
+		numToRead--;
+	}
+
+	while (numToRead > numEccBytes) {
+		/* skip free oob region */
+#if defined(__KERNEL__) && !defined(STANDALONE)
+		*oobp++ = REG_NAND_DATA8;
+#else
+		REG_NAND_DATA8;
+#endif
+		numToRead--;
+	}
 
 	if (pageSize == NAND_DATA_ACCESS_SIZE) {
-		while (numToRead > numEccBytes) {
-			/* skip free oob region */
-#if defined(__KERNEL__) && !defined(STANDALONE)
-			*oobp++ = REG_NAND_DATA8;
-#else
-			REG_NAND_DATA8;
-#endif
-			numToRead--;
-		}
-
 		/* read ECC bytes before BI */
 		nand_bcm_umi_bch_resume_read_ecc_calc();
 
@@ -190,6 +199,7 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize,
 #else
 			eccCalc[eccPos++] = REG_NAND_DATA8;
 #endif
+			numToRead--;
 		}
 
 		nand_bcm_umi_bch_pause_read_ecc_calc();
@@ -204,49 +214,18 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize,
 			numToRead--;
 		}
 
-		/* read ECC bytes */
-		nand_bcm_umi_bch_resume_read_ecc_calc();
-		while (numToRead) {
+	}
+	/* read ECC bytes */
+	nand_bcm_umi_bch_resume_read_ecc_calc();
+	while (numToRead) {
 #if defined(__KERNEL__) && !defined(STANDALONE)
-			*oobp = REG_NAND_DATA8;
-			eccCalc[eccPos++] = *oobp;
-			oobp++;
+		*oobp = REG_NAND_DATA8;
+		eccCalc[eccPos++] = *oobp;
+		oobp++;
 #else
-			eccCalc[eccPos++] = REG_NAND_DATA8;
-#endif
-			numToRead--;
-		}
-	} else {
-		/* skip BI */
-#if defined(__KERNEL__) && !defined(STANDALONE)
-		*oobp++ = REG_NAND_DATA8;
-#else
-		REG_NAND_DATA8;
+		eccCalc[eccPos++] = REG_NAND_DATA8;
 #endif
 		numToRead--;
-
-		while (numToRead > numEccBytes) {
-			/* skip free oob region */
-#if defined(__KERNEL__) && !defined(STANDALONE)
-			*oobp++ = REG_NAND_DATA8;
-#else
-			REG_NAND_DATA8;
-#endif
-			numToRead--;
-		}
-
-		/* read ECC bytes */
-		nand_bcm_umi_bch_resume_read_ecc_calc();
-		while (numToRead) {
-#if defined(__KERNEL__) && !defined(STANDALONE)
-			*oobp = REG_NAND_DATA8;
-			eccCalc[eccPos++] = *oobp;
-			oobp++;
-#else
-			eccCalc[eccPos++] = REG_NAND_DATA8;
-#endif
-			numToRead--;
-		}
 	}
 }
 

From bb315f749f8c800cb8bf8d7dabc4b5fbab97b328 Mon Sep 17 00:00:00 2001
From: Anatolij Gustschin <agust@denx.de>
Date: Mon, 15 Feb 2010 18:35:05 +0100
Subject: [PATCH 0053/3638] mtd: nand: Add MPC5121 NAND Flash Controller driver

Adds NAND Flash Controller driver for MPC5121 Revision 2.
All device features, except hardware ECC and power management,
are supported.

Signed-off-by: Piotr Ziecik <kosmo@semihalf.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig       |   7 +
 drivers/mtd/nand/Makefile      |   1 +
 drivers/mtd/nand/mpc5121_nfc.c | 916 +++++++++++++++++++++++++++++++++
 3 files changed, 924 insertions(+)
 create mode 100644 drivers/mtd/nand/mpc5121_nfc.c

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 318ef2f2194..8a7ecfab4fe 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -444,6 +444,13 @@ config MTD_NAND_FSL_UPM
 	  Enables support for NAND Flash chips wired onto Freescale PowerPC
 	  processor localbus with User-Programmable Machine support.
 
+config MTD_NAND_MPC5121_NFC
+	tristate "MPC5121 built-in NAND Flash Controller support"
+	depends on PPC_MPC512x
+	help
+	  This enables the driver for the NAND flash controller on the
+	  MPC5121 SoC.
+
 config MTD_NAND_MXC
 	tristate "MXC NAND support"
 	depends on ARCH_MX2 || ARCH_MX3
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 355786846bc..1d19b7ab903 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -42,5 +42,6 @@ obj-$(CONFIG_MTD_NAND_TXX9NDFMC)	+= txx9ndfmc.o
 obj-$(CONFIG_MTD_NAND_NUC900)		+= nuc900_nand.o
 obj-$(CONFIG_MTD_NAND_NOMADIK)		+= nomadik_nand.o
 obj-$(CONFIG_MTD_NAND_BCM_UMI)		+= bcm_umi_nand.o nand_bcm_umi.o
+obj-$(CONFIG_MTD_NAND_MPC5121_NFC)	+= mpc5121_nfc.o
 
 nand-objs := nand_base.o nand_bbt.o
diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
new file mode 100644
index 00000000000..d7333f4dae8
--- /dev/null
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -0,0 +1,916 @@
+/*
+ * Copyright 2004-2008 Freescale Semiconductor, Inc.
+ * Copyright 2009 Semihalf.
+ *
+ * Approved as OSADL project by a majority of OSADL members and funded
+ * by OSADL membership fees in 2009;  for details see www.osadl.org.
+ *
+ * Based on original driver from Freescale Semiconductor
+ * written by John Rigby <jrigby@freescale.com> on basis
+ * of drivers/mtd/nand/mxc_nand.c. Reworked and extended
+ * Piotr Ziecik <kosmo@semihalf.com>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+
+#include <asm/mpc5121.h>
+
+/* Addresses for NFC MAIN RAM BUFFER areas */
+#define NFC_MAIN_AREA(n)	((n) *  0x200)
+
+/* Addresses for NFC SPARE BUFFER areas */
+#define NFC_SPARE_BUFFERS	8
+#define NFC_SPARE_LEN		0x40
+#define NFC_SPARE_AREA(n)	(0x1000 + ((n) * NFC_SPARE_LEN))
+
+/* MPC5121 NFC registers */
+#define NFC_BUF_ADDR		0x1E04
+#define NFC_FLASH_ADDR		0x1E06
+#define NFC_FLASH_CMD		0x1E08
+#define NFC_CONFIG		0x1E0A
+#define NFC_ECC_STATUS1		0x1E0C
+#define NFC_ECC_STATUS2		0x1E0E
+#define NFC_SPAS		0x1E10
+#define NFC_WRPROT		0x1E12
+#define NFC_NF_WRPRST		0x1E18
+#define NFC_CONFIG1		0x1E1A
+#define NFC_CONFIG2		0x1E1C
+#define NFC_UNLOCKSTART_BLK0	0x1E20
+#define NFC_UNLOCKEND_BLK0	0x1E22
+#define NFC_UNLOCKSTART_BLK1	0x1E24
+#define NFC_UNLOCKEND_BLK1	0x1E26
+#define NFC_UNLOCKSTART_BLK2	0x1E28
+#define NFC_UNLOCKEND_BLK2	0x1E2A
+#define NFC_UNLOCKSTART_BLK3	0x1E2C
+#define NFC_UNLOCKEND_BLK3	0x1E2E
+
+/* Bit Definitions: NFC_BUF_ADDR */
+#define NFC_RBA_MASK		(7 << 0)
+#define NFC_ACTIVE_CS_SHIFT	5
+#define NFC_ACTIVE_CS_MASK	(3 << NFC_ACTIVE_CS_SHIFT)
+
+/* Bit Definitions: NFC_CONFIG */
+#define NFC_BLS_UNLOCKED	(1 << 1)
+
+/* Bit Definitions: NFC_CONFIG1 */
+#define NFC_ECC_4BIT		(1 << 0)
+#define NFC_FULL_PAGE_DMA	(1 << 1)
+#define NFC_SPARE_ONLY		(1 << 2)
+#define NFC_ECC_ENABLE		(1 << 3)
+#define NFC_INT_MASK		(1 << 4)
+#define NFC_BIG_ENDIAN		(1 << 5)
+#define NFC_RESET		(1 << 6)
+#define NFC_CE			(1 << 7)
+#define NFC_ONE_CYCLE		(1 << 8)
+#define NFC_PPB_32		(0 << 9)
+#define NFC_PPB_64		(1 << 9)
+#define NFC_PPB_128		(2 << 9)
+#define NFC_PPB_256		(3 << 9)
+#define NFC_PPB_MASK		(3 << 9)
+#define NFC_FULL_PAGE_INT	(1 << 11)
+
+/* Bit Definitions: NFC_CONFIG2 */
+#define NFC_COMMAND		(1 << 0)
+#define NFC_ADDRESS		(1 << 1)
+#define NFC_INPUT		(1 << 2)
+#define NFC_OUTPUT		(1 << 3)
+#define NFC_ID			(1 << 4)
+#define NFC_STATUS		(1 << 5)
+#define NFC_CMD_FAIL		(1 << 15)
+#define NFC_INT			(1 << 15)
+
+/* Bit Definitions: NFC_WRPROT */
+#define NFC_WPC_LOCK_TIGHT	(1 << 0)
+#define NFC_WPC_LOCK		(1 << 1)
+#define NFC_WPC_UNLOCK		(1 << 2)
+
+#define	DRV_NAME		"mpc5121_nfc"
+
+/* Timeouts */
+#define NFC_RESET_TIMEOUT	1000		/* 1 ms */
+#define NFC_TIMEOUT		(HZ / 10)	/* 1/10 s */
+
+struct mpc5121_nfc_prv {
+	struct mtd_info		mtd;
+	struct nand_chip	chip;
+	int			irq;
+	void __iomem		*regs;
+	struct clk		*clk;
+	wait_queue_head_t	irq_waitq;
+	uint			column;
+	int			spareonly;
+	void __iomem		*csreg;
+	struct device		*dev;
+};
+
+static void mpc5121_nfc_done(struct mtd_info *mtd);
+
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *mpc5121_nfc_pprobes[] = { "cmdlinepart", NULL };
+#endif
+
+/* Read NFC register */
+static inline u16 nfc_read(struct mtd_info *mtd, uint reg)
+{
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+
+	return in_be16(prv->regs + reg);
+}
+
+/* Write NFC register */
+static inline void nfc_write(struct mtd_info *mtd, uint reg, u16 val)
+{
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+
+	out_be16(prv->regs + reg, val);
+}
+
+/* Set bits in NFC register */
+static inline void nfc_set(struct mtd_info *mtd, uint reg, u16 bits)
+{
+	nfc_write(mtd, reg, nfc_read(mtd, reg) | bits);
+}
+
+/* Clear bits in NFC register */
+static inline void nfc_clear(struct mtd_info *mtd, uint reg, u16 bits)
+{
+	nfc_write(mtd, reg, nfc_read(mtd, reg) & ~bits);
+}
+
+/* Invoke address cycle */
+static inline void mpc5121_nfc_send_addr(struct mtd_info *mtd, u16 addr)
+{
+	nfc_write(mtd, NFC_FLASH_ADDR, addr);
+	nfc_write(mtd, NFC_CONFIG2, NFC_ADDRESS);
+	mpc5121_nfc_done(mtd);
+}
+
+/* Invoke command cycle */
+static inline void mpc5121_nfc_send_cmd(struct mtd_info *mtd, u16 cmd)
+{
+	nfc_write(mtd, NFC_FLASH_CMD, cmd);
+	nfc_write(mtd, NFC_CONFIG2, NFC_COMMAND);
+	mpc5121_nfc_done(mtd);
+}
+
+/* Send data from NFC buffers to NAND flash */
+static inline void mpc5121_nfc_send_prog_page(struct mtd_info *mtd)
+{
+	nfc_clear(mtd, NFC_BUF_ADDR, NFC_RBA_MASK);
+	nfc_write(mtd, NFC_CONFIG2, NFC_INPUT);
+	mpc5121_nfc_done(mtd);
+}
+
+/* Receive data from NAND flash */
+static inline void mpc5121_nfc_send_read_page(struct mtd_info *mtd)
+{
+	nfc_clear(mtd, NFC_BUF_ADDR, NFC_RBA_MASK);
+	nfc_write(mtd, NFC_CONFIG2, NFC_OUTPUT);
+	mpc5121_nfc_done(mtd);
+}
+
+/* Receive ID from NAND flash */
+static inline void mpc5121_nfc_send_read_id(struct mtd_info *mtd)
+{
+	nfc_clear(mtd, NFC_BUF_ADDR, NFC_RBA_MASK);
+	nfc_write(mtd, NFC_CONFIG2, NFC_ID);
+	mpc5121_nfc_done(mtd);
+}
+
+/* Receive status from NAND flash */
+static inline void mpc5121_nfc_send_read_status(struct mtd_info *mtd)
+{
+	nfc_clear(mtd, NFC_BUF_ADDR, NFC_RBA_MASK);
+	nfc_write(mtd, NFC_CONFIG2, NFC_STATUS);
+	mpc5121_nfc_done(mtd);
+}
+
+/* NFC interrupt handler */
+static irqreturn_t mpc5121_nfc_irq(int irq, void *data)
+{
+	struct mtd_info *mtd = data;
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+
+	nfc_set(mtd, NFC_CONFIG1, NFC_INT_MASK);
+	wake_up(&prv->irq_waitq);
+
+	return IRQ_HANDLED;
+}
+
+/* Wait for operation complete */
+static void mpc5121_nfc_done(struct mtd_info *mtd)
+{
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+	int rv;
+
+	if ((nfc_read(mtd, NFC_CONFIG2) & NFC_INT) == 0) {
+		nfc_clear(mtd, NFC_CONFIG1, NFC_INT_MASK);
+		rv = wait_event_timeout(prv->irq_waitq,
+			(nfc_read(mtd, NFC_CONFIG2) & NFC_INT), NFC_TIMEOUT);
+
+		if (!rv)
+			dev_warn(prv->dev,
+				"Timeout while waiting for interrupt.\n");
+	}
+
+	nfc_clear(mtd, NFC_CONFIG2, NFC_INT);
+}
+
+/* Do address cycle(s) */
+static void mpc5121_nfc_addr_cycle(struct mtd_info *mtd, int column, int page)
+{
+	struct nand_chip *chip = mtd->priv;
+	u32 pagemask = chip->pagemask;
+
+	if (column != -1) {
+		mpc5121_nfc_send_addr(mtd, column);
+		if (mtd->writesize > 512)
+			mpc5121_nfc_send_addr(mtd, column >> 8);
+	}
+
+	if (page != -1) {
+		do {
+			mpc5121_nfc_send_addr(mtd, page & 0xFF);
+			page >>= 8;
+			pagemask >>= 8;
+		} while (pagemask);
+	}
+}
+
+/* Control chip select signals */
+static void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip)
+{
+	if (chip < 0) {
+		nfc_clear(mtd, NFC_CONFIG1, NFC_CE);
+		return;
+	}
+
+	nfc_clear(mtd, NFC_BUF_ADDR, NFC_ACTIVE_CS_MASK);
+	nfc_set(mtd, NFC_BUF_ADDR, (chip << NFC_ACTIVE_CS_SHIFT) &
+							NFC_ACTIVE_CS_MASK);
+	nfc_set(mtd, NFC_CONFIG1, NFC_CE);
+}
+
+/* Init external chip select logic on ADS5121 board */
+static int ads5121_chipselect_init(struct mtd_info *mtd)
+{
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+	struct device_node *dn;
+
+	dn = of_find_compatible_node(NULL, NULL, "fsl,mpc5121ads-cpld");
+	if (dn) {
+		prv->csreg = of_iomap(dn, 0);
+		of_node_put(dn);
+		if (!prv->csreg)
+			return -ENOMEM;
+
+		/* CPLD Register 9 controls NAND /CE Lines */
+		prv->csreg += 9;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+/* Control chips select signal on ADS5121 board */
+static void ads5121_select_chip(struct mtd_info *mtd, int chip)
+{
+	struct nand_chip *nand = mtd->priv;
+	struct mpc5121_nfc_prv *prv = nand->priv;
+	u8 v;
+
+	v = in_8(prv->csreg);
+	v |= 0x0F;
+
+	if (chip >= 0) {
+		mpc5121_nfc_select_chip(mtd, 0);
+		v &= ~(1 << chip);
+	} else
+		mpc5121_nfc_select_chip(mtd, -1);
+
+	out_8(prv->csreg, v);
+}
+
+/* Read NAND Ready/Busy signal */
+static int mpc5121_nfc_dev_ready(struct mtd_info *mtd)
+{
+	/*
+	 * NFC handles ready/busy signal internally. Therefore, this function
+	 * always returns status as ready.
+	 */
+	return 1;
+}
+
+/* Write command to NAND flash */
+static void mpc5121_nfc_command(struct mtd_info *mtd, unsigned command,
+							int column, int page)
+{
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+
+	prv->column = (column >= 0) ? column : 0;
+	prv->spareonly = 0;
+
+	switch (command) {
+	case NAND_CMD_PAGEPROG:
+		mpc5121_nfc_send_prog_page(mtd);
+		break;
+	/*
+	 * NFC does not support sub-page reads and writes,
+	 * so emulate them using full page transfers.
+	 */
+	case NAND_CMD_READ0:
+		column = 0;
+		break;
+
+	case NAND_CMD_READ1:
+		prv->column += 256;
+		command = NAND_CMD_READ0;
+		column = 0;
+		break;
+
+	case NAND_CMD_READOOB:
+		prv->spareonly = 1;
+		command = NAND_CMD_READ0;
+		column = 0;
+		break;
+
+	case NAND_CMD_SEQIN:
+		mpc5121_nfc_command(mtd, NAND_CMD_READ0, column, page);
+		column = 0;
+		break;
+
+	case NAND_CMD_ERASE1:
+	case NAND_CMD_ERASE2:
+	case NAND_CMD_READID:
+	case NAND_CMD_STATUS:
+		break;
+
+	default:
+		return;
+	}
+
+	mpc5121_nfc_send_cmd(mtd, command);
+	mpc5121_nfc_addr_cycle(mtd, column, page);
+
+	switch (command) {
+	case NAND_CMD_READ0:
+		if (mtd->writesize > 512)
+			mpc5121_nfc_send_cmd(mtd, NAND_CMD_READSTART);
+		mpc5121_nfc_send_read_page(mtd);
+		break;
+
+	case NAND_CMD_READID:
+		mpc5121_nfc_send_read_id(mtd);
+		break;
+
+	case NAND_CMD_STATUS:
+		mpc5121_nfc_send_read_status(mtd);
+		if (chip->options & NAND_BUSWIDTH_16)
+			prv->column = 1;
+		else
+			prv->column = 0;
+		break;
+	}
+}
+
+/* Copy data from/to NFC spare buffers. */
+static void mpc5121_nfc_copy_spare(struct mtd_info *mtd, uint offset,
+						u8 *buffer, uint size, int wr)
+{
+	struct nand_chip *nand = mtd->priv;
+	struct mpc5121_nfc_prv *prv = nand->priv;
+	uint o, s, sbsize, blksize;
+
+	/*
+	 * NAND spare area is available through NFC spare buffers.
+	 * The NFC divides spare area into (page_size / 512) chunks.
+	 * Each chunk is placed into separate spare memory area, using
+	 * first (spare_size / num_of_chunks) bytes of the buffer.
+	 *
+	 * For NAND device in which the spare area is not divided fully
+	 * by the number of chunks, number of used bytes in each spare
+	 * buffer is rounded down to the nearest even number of bytes,
+	 * and all remaining bytes are added to the last used spare area.
+	 *
+	 * For more information read section 26.6.10 of MPC5121e
+	 * Microcontroller Reference Manual, Rev. 3.
+	 */
+
+	/* Calculate number of valid bytes in each spare buffer */
+	sbsize = (mtd->oobsize / (mtd->writesize / 512)) & ~1;
+
+	while (size) {
+		/* Calculate spare buffer number */
+		s = offset / sbsize;
+		if (s > NFC_SPARE_BUFFERS - 1)
+			s = NFC_SPARE_BUFFERS - 1;
+
+		/*
+		 * Calculate offset to requested data block in selected spare
+		 * buffer and its size.
+		 */
+		o = offset - (s * sbsize);
+		blksize = min(sbsize - o, size);
+
+		if (wr)
+			memcpy_toio(prv->regs + NFC_SPARE_AREA(s) + o,
+							buffer, blksize);
+		else
+			memcpy_fromio(buffer,
+				prv->regs + NFC_SPARE_AREA(s) + o, blksize);
+
+		buffer += blksize;
+		offset += blksize;
+		size -= blksize;
+	};
+}
+
+/* Copy data from/to NFC main and spare buffers */
+static void mpc5121_nfc_buf_copy(struct mtd_info *mtd, u_char *buf, int len,
+									int wr)
+{
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+	uint c = prv->column;
+	uint l;
+
+	/* Handle spare area access */
+	if (prv->spareonly || c >= mtd->writesize) {
+		/* Calculate offset from beginning of spare area */
+		if (c >= mtd->writesize)
+			c -= mtd->writesize;
+
+		prv->column += len;
+		mpc5121_nfc_copy_spare(mtd, c, buf, len, wr);
+		return;
+	}
+
+	/*
+	 * Handle main area access - limit copy length to prevent
+	 * crossing main/spare boundary.
+	 */
+	l = min((uint)len, mtd->writesize - c);
+	prv->column += l;
+
+	if (wr)
+		memcpy_toio(prv->regs + NFC_MAIN_AREA(0) + c, buf, l);
+	else
+		memcpy_fromio(buf, prv->regs + NFC_MAIN_AREA(0) + c, l);
+
+	/* Handle crossing main/spare boundary */
+	if (l != len) {
+		buf += l;
+		len -= l;
+		mpc5121_nfc_buf_copy(mtd, buf, len, wr);
+	}
+}
+
+/* Read data from NFC buffers */
+static void mpc5121_nfc_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+{
+	mpc5121_nfc_buf_copy(mtd, buf, len, 0);
+}
+
+/* Write data to NFC buffers */
+static void mpc5121_nfc_write_buf(struct mtd_info *mtd,
+						const u_char *buf, int len)
+{
+	mpc5121_nfc_buf_copy(mtd, (u_char *)buf, len, 1);
+}
+
+/* Compare buffer with NAND flash */
+static int mpc5121_nfc_verify_buf(struct mtd_info *mtd,
+						const u_char *buf, int len)
+{
+	u_char tmp[256];
+	uint bsize;
+
+	while (len) {
+		bsize = min(len, 256);
+		mpc5121_nfc_read_buf(mtd, tmp, bsize);
+
+		if (memcmp(buf, tmp, bsize))
+			return 1;
+
+		buf += bsize;
+		len -= bsize;
+	}
+
+	return 0;
+}
+
+/* Read byte from NFC buffers */
+static u8 mpc5121_nfc_read_byte(struct mtd_info *mtd)
+{
+	u8 tmp;
+
+	mpc5121_nfc_read_buf(mtd, &tmp, sizeof(tmp));
+
+	return tmp;
+}
+
+/* Read word from NFC buffers */
+static u16 mpc5121_nfc_read_word(struct mtd_info *mtd)
+{
+	u16 tmp;
+
+	mpc5121_nfc_read_buf(mtd, (u_char *)&tmp, sizeof(tmp));
+
+	return tmp;
+}
+
+/*
+ * Read NFC configuration from Reset Config Word
+ *
+ * NFC is configured during reset in basis of information stored
+ * in Reset Config Word. There is no other way to set NAND block
+ * size, spare size and bus width.
+ */
+static int mpc5121_nfc_read_hw_config(struct mtd_info *mtd)
+{
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+	struct mpc512x_reset_module *rm;
+	struct device_node *rmnode;
+	uint rcw_pagesize = 0;
+	uint rcw_sparesize = 0;
+	uint rcw_width;
+	uint rcwh;
+	uint romloc, ps;
+
+	rmnode = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-reset");
+	if (!rmnode) {
+		dev_err(prv->dev, "Missing 'fsl,mpc5121-reset' "
+					"node in device tree!\n");
+		return -ENODEV;
+	}
+
+	rm = of_iomap(rmnode, 0);
+	if (!rm) {
+		dev_err(prv->dev, "Error mapping reset module node!\n");
+		return -EBUSY;
+	}
+
+	rcwh = in_be32(&rm->rcwhr);
+
+	/* Bit 6: NFC bus width */
+	rcw_width = ((rcwh >> 6) & 0x1) ? 2 : 1;
+
+	/* Bit 7: NFC Page/Spare size */
+	ps = (rcwh >> 7) & 0x1;
+
+	/* Bits [22:21]: ROM Location */
+	romloc = (rcwh >> 21) & 0x3;
+
+	/* Decode RCW bits */
+	switch ((ps << 2) | romloc) {
+	case 0x00:
+	case 0x01:
+		rcw_pagesize = 512;
+		rcw_sparesize = 16;
+		break;
+	case 0x02:
+	case 0x03:
+		rcw_pagesize = 4096;
+		rcw_sparesize = 128;
+		break;
+	case 0x04:
+	case 0x05:
+		rcw_pagesize = 2048;
+		rcw_sparesize = 64;
+		break;
+	case 0x06:
+	case 0x07:
+		rcw_pagesize = 4096;
+		rcw_sparesize = 218;
+		break;
+	}
+
+	mtd->writesize = rcw_pagesize;
+	mtd->oobsize = rcw_sparesize;
+	if (rcw_width == 2)
+		chip->options |= NAND_BUSWIDTH_16;
+
+	dev_notice(prv->dev, "Configured for "
+				"%u-bit NAND, page size %u "
+				"with %u spare.\n",
+				rcw_width * 8, rcw_pagesize,
+				rcw_sparesize);
+	iounmap(rm);
+	of_node_put(rmnode);
+	return 0;
+}
+
+/* Free driver resources */
+static void mpc5121_nfc_free(struct device *dev, struct mtd_info *mtd)
+{
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+
+	if (prv->clk) {
+		clk_disable(prv->clk);
+		clk_put(prv->clk);
+	}
+
+	if (prv->csreg)
+		iounmap(prv->csreg);
+}
+
+static int __devinit mpc5121_nfc_probe(struct of_device *op,
+					const struct of_device_id *match)
+{
+	struct device_node *rootnode, *dn = op->node;
+	struct device *dev = &op->dev;
+	struct mpc5121_nfc_prv *prv;
+	struct resource res;
+	struct mtd_info *mtd;
+#ifdef CONFIG_MTD_PARTITIONS
+	struct mtd_partition *parts;
+#endif
+	struct nand_chip *chip;
+	unsigned long regs_paddr, regs_size;
+	const uint *chips_no;
+	int resettime = 0;
+	int retval = 0;
+	int rev, len;
+
+	/*
+	 * Check SoC revision. This driver supports only NFC
+	 * in MPC5121 revision 2.
+	 */
+	rev = (mfspr(SPRN_SVR) >> 4) & 0xF;
+	if (rev != 2) {
+		dev_err(dev, "SoC revision %u is not supported!\n", rev);
+		return -ENXIO;
+	}
+
+	prv = devm_kzalloc(dev, sizeof(*prv), GFP_KERNEL);
+	if (!prv) {
+		dev_err(dev, "Memory exhausted!\n");
+		return -ENOMEM;
+	}
+
+	mtd = &prv->mtd;
+	chip = &prv->chip;
+
+	mtd->priv = chip;
+	chip->priv = prv;
+	prv->dev = dev;
+
+	/* Read NFC configuration from Reset Config Word */
+	retval = mpc5121_nfc_read_hw_config(mtd);
+	if (retval) {
+		dev_err(dev, "Unable to read NFC config!\n");
+		return retval;
+	}
+
+	prv->irq = irq_of_parse_and_map(dn, 0);
+	if (prv->irq == NO_IRQ) {
+		dev_err(dev, "Error mapping IRQ!\n");
+		return -EINVAL;
+	}
+
+	retval = of_address_to_resource(dn, 0, &res);
+	if (retval) {
+		dev_err(dev, "Error parsing memory region!\n");
+		return retval;
+	}
+
+	chips_no = of_get_property(dn, "chips", &len);
+	if (!chips_no || len != sizeof(*chips_no)) {
+		dev_err(dev, "Invalid/missing 'chips' property!\n");
+		return -EINVAL;
+	}
+
+	regs_paddr = res.start;
+	regs_size = res.end - res.start + 1;
+
+	if (!devm_request_mem_region(dev, regs_paddr, regs_size, DRV_NAME)) {
+		dev_err(dev, "Error requesting memory region!\n");
+		return -EBUSY;
+	}
+
+	prv->regs = devm_ioremap(dev, regs_paddr, regs_size);
+	if (!prv->regs) {
+		dev_err(dev, "Error mapping memory region!\n");
+		return -ENOMEM;
+	}
+
+	mtd->name = "MPC5121 NAND";
+	chip->dev_ready = mpc5121_nfc_dev_ready;
+	chip->cmdfunc = mpc5121_nfc_command;
+	chip->read_byte = mpc5121_nfc_read_byte;
+	chip->read_word = mpc5121_nfc_read_word;
+	chip->read_buf = mpc5121_nfc_read_buf;
+	chip->write_buf = mpc5121_nfc_write_buf;
+	chip->verify_buf = mpc5121_nfc_verify_buf;
+	chip->select_chip = mpc5121_nfc_select_chip;
+	chip->options = NAND_NO_AUTOINCR | NAND_USE_FLASH_BBT;
+	chip->ecc.mode = NAND_ECC_SOFT;
+
+	/* Support external chip-select logic on ADS5121 board */
+	rootnode = of_find_node_by_path("/");
+	if (of_device_is_compatible(rootnode, "fsl,mpc5121ads")) {
+		retval = ads5121_chipselect_init(mtd);
+		if (retval) {
+			dev_err(dev, "Chipselect init error!\n");
+			of_node_put(rootnode);
+			return retval;
+		}
+
+		chip->select_chip = ads5121_select_chip;
+	}
+	of_node_put(rootnode);
+
+	/* Enable NFC clock */
+	prv->clk = clk_get(dev, "nfc_clk");
+	if (!prv->clk) {
+		dev_err(dev, "Unable to acquire NFC clock!\n");
+		retval = -ENODEV;
+		goto error;
+	}
+
+	clk_enable(prv->clk);
+
+	/* Reset NAND Flash controller */
+	nfc_set(mtd, NFC_CONFIG1, NFC_RESET);
+	while (nfc_read(mtd, NFC_CONFIG1) & NFC_RESET) {
+		if (resettime++ >= NFC_RESET_TIMEOUT) {
+			dev_err(dev, "Timeout while resetting NFC!\n");
+			retval = -EINVAL;
+			goto error;
+		}
+
+		udelay(1);
+	}
+
+	/* Enable write to NFC memory */
+	nfc_write(mtd, NFC_CONFIG, NFC_BLS_UNLOCKED);
+
+	/* Enable write to all NAND pages */
+	nfc_write(mtd, NFC_UNLOCKSTART_BLK0, 0x0000);
+	nfc_write(mtd, NFC_UNLOCKEND_BLK0, 0xFFFF);
+	nfc_write(mtd, NFC_WRPROT, NFC_WPC_UNLOCK);
+
+	/*
+	 * Setup NFC:
+	 *	- Big Endian transfers,
+	 *	- Interrupt after full page read/write.
+	 */
+	nfc_write(mtd, NFC_CONFIG1, NFC_BIG_ENDIAN | NFC_INT_MASK |
+							NFC_FULL_PAGE_INT);
+
+	/* Set spare area size */
+	nfc_write(mtd, NFC_SPAS, mtd->oobsize >> 1);
+
+	init_waitqueue_head(&prv->irq_waitq);
+	retval = devm_request_irq(dev, prv->irq, &mpc5121_nfc_irq, 0, DRV_NAME,
+									mtd);
+	if (retval) {
+		dev_err(dev, "Error requesting IRQ!\n");
+		goto error;
+	}
+
+	/* Detect NAND chips */
+	if (nand_scan(mtd, *chips_no)) {
+		dev_err(dev, "NAND Flash not found !\n");
+		devm_free_irq(dev, prv->irq, mtd);
+		retval = -ENXIO;
+		goto error;
+	}
+
+	/* Set erase block size */
+	switch (mtd->erasesize / mtd->writesize) {
+	case 32:
+		nfc_set(mtd, NFC_CONFIG1, NFC_PPB_32);
+		break;
+
+	case 64:
+		nfc_set(mtd, NFC_CONFIG1, NFC_PPB_64);
+		break;
+
+	case 128:
+		nfc_set(mtd, NFC_CONFIG1, NFC_PPB_128);
+		break;
+
+	case 256:
+		nfc_set(mtd, NFC_CONFIG1, NFC_PPB_256);
+		break;
+
+	default:
+		dev_err(dev, "Unsupported NAND flash!\n");
+		devm_free_irq(dev, prv->irq, mtd);
+		retval = -ENXIO;
+		goto error;
+	}
+
+	dev_set_drvdata(dev, mtd);
+
+	/* Register device in MTD */
+#ifdef CONFIG_MTD_PARTITIONS
+	retval = parse_mtd_partitions(mtd, mpc5121_nfc_pprobes, &parts, 0);
+#ifdef CONFIG_MTD_OF_PARTS
+	if (retval == 0)
+		retval = of_mtd_parse_partitions(dev, dn, &parts);
+#endif
+	if (retval < 0) {
+		dev_err(dev, "Error parsing MTD partitions!\n");
+		devm_free_irq(dev, prv->irq, mtd);
+		retval = -EINVAL;
+		goto error;
+	}
+
+	if (retval > 0)
+		retval = add_mtd_partitions(mtd, parts, retval);
+	else
+#endif
+		retval = add_mtd_device(mtd);
+
+	if (retval) {
+		dev_err(dev, "Error adding MTD device!\n");
+		devm_free_irq(dev, prv->irq, mtd);
+		goto error;
+	}
+
+	return 0;
+error:
+	mpc5121_nfc_free(dev, mtd);
+	return retval;
+}
+
+static int __devexit mpc5121_nfc_remove(struct of_device *op)
+{
+	struct device *dev = &op->dev;
+	struct mtd_info *mtd = dev_get_drvdata(dev);
+	struct nand_chip *chip = mtd->priv;
+	struct mpc5121_nfc_prv *prv = chip->priv;
+
+	nand_release(mtd);
+	devm_free_irq(dev, prv->irq, mtd);
+	mpc5121_nfc_free(dev, mtd);
+
+	return 0;
+}
+
+static struct of_device_id mpc5121_nfc_match[] __devinitdata = {
+	{ .compatible = "fsl,mpc5121-nfc", },
+	{},
+};
+
+static struct of_platform_driver mpc5121_nfc_driver = {
+	.match_table	= mpc5121_nfc_match,
+	.probe		= mpc5121_nfc_probe,
+	.remove		= __devexit_p(mpc5121_nfc_remove),
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init mpc5121_nfc_init(void)
+{
+	return of_register_platform_driver(&mpc5121_nfc_driver);
+}
+
+module_init(mpc5121_nfc_init);
+
+static void __exit mpc5121_nfc_cleanup(void)
+{
+	of_unregister_platform_driver(&mpc5121_nfc_driver);
+}
+
+module_exit(mpc5121_nfc_cleanup);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("MPC5121 NAND MTD driver");
+MODULE_LICENSE("GPL");

From 3bd456576f22acd55fb6c3d3d4261131821f5a3b Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:28 +0200
Subject: [PATCH 0054/3638] mtd: create unlocked versions of
 {get,put}_mtd_device

Use these only if you know that you already hold mtd_table_mutex

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdcore.c   | 60 ++++++++++++++++++++++++++---------------
 include/linux/mtd/mtd.h |  3 ++-
 2 files changed, 41 insertions(+), 22 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index b3b98d1fffc..67669a76eaf 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -463,27 +463,38 @@ struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num)
 			ret = NULL;
 	}
 
-	if (!ret)
-		goto out_unlock;
-
-	if (!try_module_get(ret->owner))
-		goto out_unlock;
-
-	if (ret->get_device) {
-		err = ret->get_device(ret);
-		if (err)
-			goto out_put;
+	if (!ret) {
+		ret = ERR_PTR(err);
+		goto out;
 	}
 
-	ret->usecount++;
+	err = __get_mtd_device(ret);
+	if (err)
+		ret = ERR_PTR(err);
+out:
 	mutex_unlock(&mtd_table_mutex);
 	return ret;
+}
 
-out_put:
-	module_put(ret->owner);
-out_unlock:
-	mutex_unlock(&mtd_table_mutex);
-	return ERR_PTR(err);
+
+int __get_mtd_device(struct mtd_info *mtd)
+{
+	int err;
+
+	if (!try_module_get(mtd->owner))
+		return -ENODEV;
+
+	if (mtd->get_device) {
+
+		err = mtd->get_device(mtd);
+
+		if (err) {
+			module_put(mtd->owner);
+			return err;
+		}
+	}
+	mtd->usecount++;
+	return 0;
 }
 
 /**
@@ -534,14 +545,19 @@ out_unlock:
 
 void put_mtd_device(struct mtd_info *mtd)
 {
-	int c;
-
 	mutex_lock(&mtd_table_mutex);
-	c = --mtd->usecount;
+	__put_mtd_device(mtd);
+	mutex_unlock(&mtd_table_mutex);
+
+}
+
+void __put_mtd_device(struct mtd_info *mtd)
+{
+	--mtd->usecount;
+	BUG_ON(mtd->usecount < 0);
+
 	if (mtd->put_device)
 		mtd->put_device(mtd);
-	mutex_unlock(&mtd_table_mutex);
-	BUG_ON(c < 0);
 
 	module_put(mtd->owner);
 }
@@ -579,7 +595,9 @@ EXPORT_SYMBOL_GPL(add_mtd_device);
 EXPORT_SYMBOL_GPL(del_mtd_device);
 EXPORT_SYMBOL_GPL(get_mtd_device);
 EXPORT_SYMBOL_GPL(get_mtd_device_nm);
+EXPORT_SYMBOL_GPL(__get_mtd_device);
 EXPORT_SYMBOL_GPL(put_mtd_device);
+EXPORT_SYMBOL_GPL(__put_mtd_device);
 EXPORT_SYMBOL_GPL(register_mtd_user);
 EXPORT_SYMBOL_GPL(unregister_mtd_user);
 EXPORT_SYMBOL_GPL(default_mtd_writev);
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index ba53ecca107..11d8e68d17c 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -289,8 +289,9 @@ extern int add_mtd_device(struct mtd_info *mtd);
 extern int del_mtd_device (struct mtd_info *mtd);
 
 extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
+extern int __get_mtd_device(struct mtd_info *mtd);
+extern void __put_mtd_device(struct mtd_info *mtd);
 extern struct mtd_info *get_mtd_device_nm(const char *name);
-
 extern void put_mtd_device(struct mtd_info *mtd);
 
 

From a863862257b7dd08d855bafcb0aedd9ad848ed91 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:29 +0200
Subject: [PATCH 0055/3638] mtd: blktrans: remove mtd_blkcore_priv, switch to
 per device queue and thread

This is the biggest change. To make hotplug possible, and this layer
clean, the mtd_blktrans_dev now contains everything for a single mtd
block translation device. Also removed some very old leftovers.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtd_blkdevs.c    | 124 ++++++++++++++++-------------------
 include/linux/mtd/blktrans.h |  10 +--
 2 files changed, 63 insertions(+), 71 deletions(-)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 2f8c202dbd8..6a572625bfc 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -14,7 +14,6 @@
 #include <linux/mtd/mtd.h>
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
-#include <linux/freezer.h>
 #include <linux/spinlock.h>
 #include <linux/hdreg.h>
 #include <linux/init.h>
@@ -26,11 +25,6 @@
 
 static LIST_HEAD(blktrans_majors);
 
-struct mtd_blkcore_priv {
-	struct task_struct *thread;
-	struct request_queue *rq;
-	spinlock_t queue_lock;
-};
 
 static int do_blktrans_request(struct mtd_blktrans_ops *tr,
 			       struct mtd_blktrans_dev *dev,
@@ -61,7 +55,6 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr,
 				return -EIO;
 		rq_flush_dcache_pages(req);
 		return 0;
-
 	case WRITE:
 		if (!tr->writesect)
 			return -EIO;
@@ -71,7 +64,6 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr,
 			if (tr->writesect(dev, block, buf))
 				return -EIO;
 		return 0;
-
 	default:
 		printk(KERN_NOTICE "Unknown request %u\n", rq_data_dir(req));
 		return -EIO;
@@ -80,14 +72,13 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr,
 
 static int mtd_blktrans_thread(void *arg)
 {
-	struct mtd_blktrans_ops *tr = arg;
-	struct request_queue *rq = tr->blkcore_priv->rq;
+	struct mtd_blktrans_dev *dev = arg;
+	struct request_queue *rq = dev->rq;
 	struct request *req = NULL;
 
 	spin_lock_irq(rq->queue_lock);
 
 	while (!kthread_should_stop()) {
-		struct mtd_blktrans_dev *dev;
 		int res;
 
 		if (!req && !(req = blk_fetch_request(rq))) {
@@ -98,13 +89,10 @@ static int mtd_blktrans_thread(void *arg)
 			continue;
 		}
 
-		dev = req->rq_disk->private_data;
-		tr = dev->tr;
-
 		spin_unlock_irq(rq->queue_lock);
 
 		mutex_lock(&dev->lock);
-		res = do_blktrans_request(tr, dev, req);
+		res = do_blktrans_request(dev->tr, dev, req);
 		mutex_unlock(&dev->lock);
 
 		spin_lock_irq(rq->queue_lock);
@@ -123,8 +111,8 @@ static int mtd_blktrans_thread(void *arg)
 
 static void mtd_blktrans_request(struct request_queue *rq)
 {
-	struct mtd_blktrans_ops *tr = rq->queuedata;
-	wake_up_process(tr->blkcore_priv->thread);
+	struct mtd_blktrans_dev *dev = rq->queuedata;
+	wake_up_process(dev->thread);
 }
 
 
@@ -214,6 +202,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	struct mtd_blktrans_dev *d;
 	int last_devnum = -1;
 	struct gendisk *gd;
+	int ret;
 
 	if (mutex_trylock(&mtd_table_mutex)) {
 		mutex_unlock(&mtd_table_mutex);
@@ -239,6 +228,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 		}
 		last_devnum = d->devnum;
 	}
+
+	ret = -EBUSY;
 	if (new->devnum == -1)
 		new->devnum = last_devnum+1;
 
@@ -247,7 +238,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	 * with this number. */
 	if (new->devnum > (MINORMASK >> tr->part_bits) ||
 	    (tr->part_bits && new->devnum >= 27 * 26))
-		return -EBUSY;
+		goto error1;
 
 	list_add_tail(&new->list, &tr->devs);
  added:
@@ -255,11 +246,16 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	if (!tr->writesect)
 		new->readonly = 1;
 
+
+	/* Create gendisk */
+	ret = -ENOMEM;
 	gd = alloc_disk(1 << tr->part_bits);
-	if (!gd) {
-		list_del(&new->list);
-		return -ENOMEM;
-	}
+
+	if (!gd)
+		goto error2;
+
+	new->disk = gd;
+	gd->private_data = new;
 	gd->major = tr->major;
 	gd->first_minor = (new->devnum) << tr->part_bits;
 	gd->fops = &mtd_blktrans_ops;
@@ -277,21 +273,49 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 		snprintf(gd->disk_name, sizeof(gd->disk_name),
 			 "%s%d", tr->name, new->devnum);
 
-	/* 2.5 has capacity in units of 512 bytes while still
-	   having BLOCK_SIZE_BITS set to 10. Just to keep us amused. */
 	set_capacity(gd, (new->size * tr->blksize) >> 9);
 
-	gd->private_data = new;
-	new->blkcore_priv = gd;
-	gd->queue = tr->blkcore_priv->rq;
+
+	/* Create the request queue */
+	spin_lock_init(&new->queue_lock);
+	new->rq = blk_init_queue(mtd_blktrans_request, &new->queue_lock);
+
+	if (!new->rq)
+		goto error3;
+
+	new->rq->queuedata = new;
+	blk_queue_logical_block_size(new->rq, tr->blksize);
+
+	if (tr->discard)
+		queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
+					new->rq);
+
+	gd->queue = new->rq;
+
+	/* Create processing thread */
+	/* TODO: workqueue ? */
+	new->thread = kthread_run(mtd_blktrans_thread, new,
+			"%s%d", tr->name, new->mtd->index);
+	if (IS_ERR(new->thread)) {
+		ret = PTR_ERR(new->thread);
+		goto error4;
+	}
 	gd->driverfs_dev = &new->mtd->dev;
 
 	if (new->readonly)
 		set_disk_ro(gd, 1);
 
 	add_disk(gd);
-
 	return 0;
+error4:
+	blk_cleanup_queue(new->rq);
+error3:
+	put_disk(new->disk);
+error2:
+	list_del(&new->list);
+error1:
+	kfree(new);
+	return ret;
 }
 
 int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
@@ -303,9 +327,13 @@ int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
 
 	list_del(&old->list);
 
-	del_gendisk(old->blkcore_priv);
-	put_disk(old->blkcore_priv);
+	/* stop new requests to arrive */
+	del_gendisk(old->disk);
 
+	/* Stop the thread */
+	kthread_stop(old->thread);
+
+	blk_cleanup_queue(old->rq);
 	return 0;
 }
 
@@ -347,9 +375,6 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
 	if (!blktrans_notifier.list.next)
 		register_mtd_user(&blktrans_notifier);
 
-	tr->blkcore_priv = kzalloc(sizeof(*tr->blkcore_priv), GFP_KERNEL);
-	if (!tr->blkcore_priv)
-		return -ENOMEM;
 
 	mutex_lock(&mtd_table_mutex);
 
@@ -357,39 +382,12 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
 	if (ret) {
 		printk(KERN_WARNING "Unable to register %s block device on major %d: %d\n",
 		       tr->name, tr->major, ret);
-		kfree(tr->blkcore_priv);
 		mutex_unlock(&mtd_table_mutex);
 		return ret;
 	}
-	spin_lock_init(&tr->blkcore_priv->queue_lock);
-
-	tr->blkcore_priv->rq = blk_init_queue(mtd_blktrans_request, &tr->blkcore_priv->queue_lock);
-	if (!tr->blkcore_priv->rq) {
-		unregister_blkdev(tr->major, tr->name);
-		kfree(tr->blkcore_priv);
-		mutex_unlock(&mtd_table_mutex);
-		return -ENOMEM;
-	}
-
-	tr->blkcore_priv->rq->queuedata = tr;
-	blk_queue_logical_block_size(tr->blkcore_priv->rq, tr->blksize);
-	if (tr->discard)
-		queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
-					tr->blkcore_priv->rq);
 
 	tr->blkshift = ffs(tr->blksize) - 1;
 
-	tr->blkcore_priv->thread = kthread_run(mtd_blktrans_thread, tr,
-			"%sd", tr->name);
-	if (IS_ERR(tr->blkcore_priv->thread)) {
-		ret = PTR_ERR(tr->blkcore_priv->thread);
-		blk_cleanup_queue(tr->blkcore_priv->rq);
-		unregister_blkdev(tr->major, tr->name);
-		kfree(tr->blkcore_priv);
-		mutex_unlock(&mtd_table_mutex);
-		return ret;
-	}
-
 	INIT_LIST_HEAD(&tr->devs);
 	list_add(&tr->list, &blktrans_majors);
 
@@ -408,8 +406,6 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr)
 
 	mutex_lock(&mtd_table_mutex);
 
-	/* Clean up the kernel thread */
-	kthread_stop(tr->blkcore_priv->thread);
 
 	/* Remove it from the list of active majors */
 	list_del(&tr->list);
@@ -417,13 +413,9 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr)
 	list_for_each_entry_safe(dev, next, &tr->devs, list)
 		tr->remove_dev(dev);
 
-	blk_cleanup_queue(tr->blkcore_priv->rq);
 	unregister_blkdev(tr->major, tr->name);
-
 	mutex_unlock(&mtd_table_mutex);
 
-	kfree(tr->blkcore_priv);
-
 	BUG_ON(!list_empty(&tr->devs));
 	return 0;
 }
diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h
index 8b4aa0523db..a4b392868b5 100644
--- a/include/linux/mtd/blktrans.h
+++ b/include/linux/mtd/blktrans.h
@@ -24,11 +24,13 @@ struct mtd_blktrans_dev {
 	int devnum;
 	unsigned long size;
 	int readonly;
-	void *blkcore_priv; /* gendisk in 2.5, devfs_handle in 2.4 */
+	struct gendisk *disk;
+	struct task_struct *thread;
+	struct request_queue *rq;
+	spinlock_t queue_lock;
+	void *priv;
 };
 
-struct blkcore_priv; /* Differs for 2.4 and 2.5 kernels; private */
-
 struct mtd_blktrans_ops {
 	char *name;
 	int major;
@@ -60,8 +62,6 @@ struct mtd_blktrans_ops {
 	struct list_head devs;
 	struct list_head list;
 	struct module *owner;
-
-	struct mtd_blkcore_priv *blkcore_priv;
 };
 
 extern int register_mtd_blktrans(struct mtd_blktrans_ops *tr);

From 048d87199566663e4edc4880df3703c04bcf41d9 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:30 +0200
Subject: [PATCH 0056/3638] mtd: blktrans: Hotplug fixes

* Add locking where it was missing.

* Don't do a get_mtd_device in blktrans_open because it would lead to a
  deadlock; instead do that in add_mtd_blktrans_dev.

* Only free the mtd_blktrans_dev structure when the last user exits.

* Flush request queue on device removal.

* Track users, and call tr->release in del_mtd_blktrans_dev
  Due to that ->open and release aren't called more that once.

Now it is safe to call del_mtd_blktrans_dev while the device is still in use.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/ftl.c            |   1 -
 drivers/mtd/inftlcore.c      |   1 -
 drivers/mtd/mtd_blkdevs.c    | 196 ++++++++++++++++++++++++++---------
 drivers/mtd/mtdblock.c       |   2 -
 drivers/mtd/mtdblock_ro.c    |   1 -
 drivers/mtd/nftlcore.c       |   1 -
 drivers/mtd/rfd_ftl.c        |   1 -
 drivers/mtd/ssfdc.c          |   1 -
 include/linux/mtd/blktrans.h |   3 +
 9 files changed, 148 insertions(+), 59 deletions(-)

diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c
index e56d6b42f02..62da9eb7032 100644
--- a/drivers/mtd/ftl.c
+++ b/drivers/mtd/ftl.c
@@ -1082,7 +1082,6 @@ static void ftl_remove_dev(struct mtd_blktrans_dev *dev)
 {
 	del_mtd_blktrans_dev(dev);
 	ftl_freepart((partition_t *)dev);
-	kfree(dev);
 }
 
 static struct mtd_blktrans_ops ftl_tr = {
diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c
index 8aca5523a33..015a7fe1b6e 100755
--- a/drivers/mtd/inftlcore.c
+++ b/drivers/mtd/inftlcore.c
@@ -139,7 +139,6 @@ static void inftl_remove_dev(struct mtd_blktrans_dev *dev)
 
 	kfree(inftl->PUtable);
 	kfree(inftl->VUtable);
-	kfree(inftl);
 }
 
 /*
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 6a572625bfc..646cc84ae69 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -24,6 +24,40 @@
 #include "mtdcore.h"
 
 static LIST_HEAD(blktrans_majors);
+static DEFINE_MUTEX(blktrans_ref_mutex);
+
+void blktrans_dev_release(struct kref *kref)
+{
+	struct mtd_blktrans_dev *dev =
+		container_of(kref, struct mtd_blktrans_dev, ref);
+
+	dev->disk->private_data = NULL;
+	put_disk(dev->disk);
+	list_del(&dev->list);
+	kfree(dev);
+}
+
+static struct mtd_blktrans_dev *blktrans_dev_get(struct gendisk *disk)
+{
+	struct mtd_blktrans_dev *dev;
+
+	mutex_lock(&blktrans_ref_mutex);
+	dev = disk->private_data;
+
+	if (!dev)
+		goto unlock;
+	kref_get(&dev->ref);
+unlock:
+	mutex_unlock(&blktrans_ref_mutex);
+	return dev;
+}
+
+void blktrans_dev_put(struct mtd_blktrans_dev *dev)
+{
+	mutex_lock(&blktrans_ref_mutex);
+	kref_put(&dev->ref, blktrans_dev_release);
+	mutex_unlock(&blktrans_ref_mutex);
+}
 
 
 static int do_blktrans_request(struct mtd_blktrans_ops *tr,
@@ -111,81 +145,112 @@ static int mtd_blktrans_thread(void *arg)
 
 static void mtd_blktrans_request(struct request_queue *rq)
 {
-	struct mtd_blktrans_dev *dev = rq->queuedata;
-	wake_up_process(dev->thread);
-}
+	struct mtd_blktrans_dev *dev;
+	struct request *req = NULL;
 
+	dev = rq->queuedata;
+
+	if (!dev)
+		while ((req = blk_fetch_request(rq)) != NULL)
+			__blk_end_request_all(req, -ENODEV);
+	else
+		wake_up_process(dev->thread);
+}
 
 static int blktrans_open(struct block_device *bdev, fmode_t mode)
 {
-	struct mtd_blktrans_dev *dev = bdev->bd_disk->private_data;
-	struct mtd_blktrans_ops *tr = dev->tr;
-	int ret = -ENODEV;
+	struct mtd_blktrans_dev *dev = blktrans_dev_get(bdev->bd_disk);
+	int ret;
 
-	if (!get_mtd_device(NULL, dev->mtd->index))
-		goto out;
+	if (!dev)
+		return -ERESTARTSYS;
 
-	if (!try_module_get(tr->owner))
-		goto out_tr;
+	mutex_lock(&dev->lock);
 
-	/* FIXME: Locking. A hot pluggable device can go away
-	   (del_mtd_device can be called for it) without its module
-	   being unloaded. */
-	dev->mtd->usecount++;
-
-	ret = 0;
-	if (tr->open && (ret = tr->open(dev))) {
-		dev->mtd->usecount--;
-		put_mtd_device(dev->mtd);
-	out_tr:
-		module_put(tr->owner);
+	if (!dev->mtd) {
+		ret = -ENXIO;
+		goto unlock;
 	}
- out:
+
+	ret = !dev->open++ && dev->tr->open ? dev->tr->open(dev) : 0;
+
+	/* Take another reference on the device so it won't go away till
+		last release */
+	if (!ret)
+		kref_get(&dev->ref);
+unlock:
+	mutex_unlock(&dev->lock);
+	blktrans_dev_put(dev);
 	return ret;
 }
 
 static int blktrans_release(struct gendisk *disk, fmode_t mode)
 {
-	struct mtd_blktrans_dev *dev = disk->private_data;
-	struct mtd_blktrans_ops *tr = dev->tr;
-	int ret = 0;
+	struct mtd_blktrans_dev *dev = blktrans_dev_get(disk);
+	int ret = -ENXIO;
 
-	if (tr->release)
-		ret = tr->release(dev);
+	if (!dev)
+		return ret;
 
-	if (!ret) {
-		dev->mtd->usecount--;
-		put_mtd_device(dev->mtd);
-		module_put(tr->owner);
-	}
+	mutex_lock(&dev->lock);
 
+	/* Release one reference, we sure its not the last one here*/
+	kref_put(&dev->ref, blktrans_dev_release);
+
+	if (!dev->mtd)
+		goto unlock;
+
+	ret = !--dev->open && dev->tr->release ? dev->tr->release(dev) : 0;
+unlock:
+	mutex_unlock(&dev->lock);
+	blktrans_dev_put(dev);
 	return ret;
 }
 
 static int blktrans_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 {
-	struct mtd_blktrans_dev *dev = bdev->bd_disk->private_data;
+	struct mtd_blktrans_dev *dev = blktrans_dev_get(bdev->bd_disk);
+	int ret = -ENXIO;
 
-	if (dev->tr->getgeo)
-		return dev->tr->getgeo(dev, geo);
-	return -ENOTTY;
+	if (!dev)
+		return ret;
+
+	mutex_lock(&dev->lock);
+
+	if (!dev->mtd)
+		goto unlock;
+
+	ret = dev->tr->getgeo ? dev->tr->getgeo(dev, geo) : 0;
+unlock:
+	mutex_unlock(&dev->lock);
+	blktrans_dev_put(dev);
+	return ret;
 }
 
 static int blktrans_ioctl(struct block_device *bdev, fmode_t mode,
 			      unsigned int cmd, unsigned long arg)
 {
-	struct mtd_blktrans_dev *dev = bdev->bd_disk->private_data;
-	struct mtd_blktrans_ops *tr = dev->tr;
+	struct mtd_blktrans_dev *dev = blktrans_dev_get(bdev->bd_disk);
+	int ret = -ENXIO;
+
+	if (!dev)
+		return ret;
+
+	mutex_lock(&dev->lock);
+
+	if (!dev->mtd)
+		goto unlock;
 
 	switch (cmd) {
 	case BLKFLSBUF:
-		if (tr->flush)
-			return tr->flush(dev);
-		/* The core code did the work, we had nothing to do. */
-		return 0;
+		ret = dev->tr->flush ? dev->tr->flush(dev) : 0;
 	default:
-		return -ENOTTY;
+		ret = -ENOTTY;
 	}
+unlock:
+	mutex_unlock(&dev->lock);
+	blktrans_dev_put(dev);
+	return ret;
 }
 
 static const struct block_device_operations mtd_blktrans_ops = {
@@ -209,6 +274,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 		BUG();
 	}
 
+	mutex_lock(&blktrans_ref_mutex);
 	list_for_each_entry(d, &tr->devs, list) {
 		if (new->devnum == -1) {
 			/* Use first free number */
@@ -220,6 +286,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 			}
 		} else if (d->devnum == new->devnum) {
 			/* Required number taken */
+			mutex_unlock(&blktrans_ref_mutex);
 			return -EBUSY;
 		} else if (d->devnum > new->devnum) {
 			/* Required number was free */
@@ -237,16 +304,20 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	 * minor numbers and that the disk naming code below can cope
 	 * with this number. */
 	if (new->devnum > (MINORMASK >> tr->part_bits) ||
-	    (tr->part_bits && new->devnum >= 27 * 26))
+	    (tr->part_bits && new->devnum >= 27 * 26)) {
+		mutex_unlock(&blktrans_ref_mutex);
 		goto error1;
+	}
 
 	list_add_tail(&new->list, &tr->devs);
  added:
+	mutex_unlock(&blktrans_ref_mutex);
+
 	mutex_init(&new->lock);
+	kref_init(&new->ref);
 	if (!tr->writesect)
 		new->readonly = 1;
 
-
 	/* Create gendisk */
 	ret = -ENOMEM;
 	gd = alloc_disk(1 << tr->part_bits);
@@ -275,7 +346,6 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 
 	set_capacity(gd, (new->size * tr->blksize) >> 9);
 
-
 	/* Create the request queue */
 	spin_lock_init(&new->queue_lock);
 	new->rq = blk_init_queue(mtd_blktrans_request, &new->queue_lock);
@@ -292,6 +362,9 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 
 	gd->queue = new->rq;
 
+	__get_mtd_device(new->mtd);
+	__module_get(tr->owner);
+
 	/* Create processing thread */
 	/* TODO: workqueue ? */
 	new->thread = kthread_run(mtd_blktrans_thread, new,
@@ -308,6 +381,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	add_disk(gd);
 	return 0;
 error4:
+	module_put(tr->owner);
+	__put_mtd_device(new->mtd);
 	blk_cleanup_queue(new->rq);
 error3:
 	put_disk(new->disk);
@@ -320,20 +395,41 @@ error1:
 
 int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
 {
+	unsigned long flags;
+
 	if (mutex_trylock(&mtd_table_mutex)) {
 		mutex_unlock(&mtd_table_mutex);
 		BUG();
 	}
 
-	list_del(&old->list);
-
-	/* stop new requests to arrive */
+	/* Stop new requests to arrive */
 	del_gendisk(old->disk);
 
 	/* Stop the thread */
 	kthread_stop(old->thread);
 
+	/* Kill current requests */
+	spin_lock_irqsave(&old->queue_lock, flags);
+	old->rq->queuedata = NULL;
+	blk_start_queue(old->rq);
+	spin_unlock_irqrestore(&old->queue_lock, flags);
 	blk_cleanup_queue(old->rq);
+
+	/* Ask trans driver for release to the mtd device */
+	mutex_lock(&old->lock);
+	if (old->open && old->tr->release) {
+		old->tr->release(old);
+		old->open = 0;
+	}
+
+	__put_mtd_device(old->mtd);
+	module_put(old->tr->owner);
+
+	/* At that point, we don't touch the mtd anymore */
+	old->mtd = NULL;
+
+	mutex_unlock(&old->lock);
+	blktrans_dev_put(old);
 	return 0;
 }
 
@@ -396,7 +492,6 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
 			tr->add_mtd(tr, mtd);
 
 	mutex_unlock(&mtd_table_mutex);
-
 	return 0;
 }
 
@@ -406,7 +501,6 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr)
 
 	mutex_lock(&mtd_table_mutex);
 
-
 	/* Remove it from the list of active majors */
 	list_del(&tr->list);
 
diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index 69f6bf2e0a8..8e5da1e4607 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -354,9 +354,7 @@ static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 static void mtdblock_remove_dev(struct mtd_blktrans_dev *dev)
 {
 	struct mtdblk_dev *mtdblk = container_of(dev, struct mtdblk_dev, mbd);
-
 	del_mtd_blktrans_dev(dev);
-	kfree(mtdblk);
 }
 
 static struct mtd_blktrans_ops mtdblock_tr = {
diff --git a/drivers/mtd/mtdblock_ro.c b/drivers/mtd/mtdblock_ro.c
index 852165f8b1c..54ff2880cf6 100644
--- a/drivers/mtd/mtdblock_ro.c
+++ b/drivers/mtd/mtdblock_ro.c
@@ -49,7 +49,6 @@ static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 static void mtdblock_remove_dev(struct mtd_blktrans_dev *dev)
 {
 	del_mtd_blktrans_dev(dev);
-	kfree(dev);
 }
 
 static struct mtd_blktrans_ops mtdblock_tr = {
diff --git a/drivers/mtd/nftlcore.c b/drivers/mtd/nftlcore.c
index 1002e188299..a4578bf903a 100644
--- a/drivers/mtd/nftlcore.c
+++ b/drivers/mtd/nftlcore.c
@@ -126,7 +126,6 @@ static void nftl_remove_dev(struct mtd_blktrans_dev *dev)
 	del_mtd_blktrans_dev(dev);
 	kfree(nftl->ReplUnitTable);
 	kfree(nftl->EUNtable);
-	kfree(nftl);
 }
 
 /*
diff --git a/drivers/mtd/rfd_ftl.c b/drivers/mtd/rfd_ftl.c
index d2aa9c46530..63b83c0d9a1 100644
--- a/drivers/mtd/rfd_ftl.c
+++ b/drivers/mtd/rfd_ftl.c
@@ -817,7 +817,6 @@ static void rfd_ftl_remove_dev(struct mtd_blktrans_dev *dev)
 	vfree(part->sector_map);
 	kfree(part->header_cache);
 	kfree(part->blocks);
-	kfree(part);
 }
 
 static struct mtd_blktrans_ops rfd_ftl_tr = {
diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c
index 3f67e00d98e..81c4ecdc11f 100644
--- a/drivers/mtd/ssfdc.c
+++ b/drivers/mtd/ssfdc.c
@@ -375,7 +375,6 @@ static void ssfdcr_remove_dev(struct mtd_blktrans_dev *dev)
 
 	del_mtd_blktrans_dev(dev);
 	kfree(ssfdc->logic_block_map);
-	kfree(ssfdc);
 }
 
 static int ssfdcr_readsect(struct mtd_blktrans_dev *dev,
diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h
index a4b392868b5..d89b8fbba4c 100644
--- a/include/linux/mtd/blktrans.h
+++ b/include/linux/mtd/blktrans.h
@@ -9,6 +9,7 @@
 #define __MTD_TRANS_H__
 
 #include <linux/mutex.h>
+#include <linux/kref.h>
 
 struct hd_geometry;
 struct mtd_info;
@@ -24,6 +25,8 @@ struct mtd_blktrans_dev {
 	int devnum;
 	unsigned long size;
 	int readonly;
+	int open;
+	struct kref ref;
 	struct gendisk *disk;
 	struct task_struct *thread;
 	struct request_queue *rq;

From 298304f1a554d44cf13391e531ced3cde69a8ce4 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:31 +0200
Subject: [PATCH 0057/3638] mtd: mtdblock: test return value of
 add_mtd_blktrans_dev, because if can fail

This prevents a memory leak

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdblock.c    | 3 ++-
 drivers/mtd/mtdblock_ro.c | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index 8e5da1e4607..7ce30a239ad 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -348,7 +348,8 @@ static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 	if (!(mtd->flags & MTD_WRITEABLE))
 		dev->mbd.readonly = 1;
 
-	add_mtd_blktrans_dev(&dev->mbd);
+	if (add_mtd_blktrans_dev(&dev->mbd))
+		kfree(dev);
 }
 
 static void mtdblock_remove_dev(struct mtd_blktrans_dev *dev)
diff --git a/drivers/mtd/mtdblock_ro.c b/drivers/mtd/mtdblock_ro.c
index 54ff2880cf6..d0d3f79f9d0 100644
--- a/drivers/mtd/mtdblock_ro.c
+++ b/drivers/mtd/mtdblock_ro.c
@@ -43,7 +43,8 @@ static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 	dev->tr = tr;
 	dev->readonly = 1;
 
-	add_mtd_blktrans_dev(dev);
+	if (add_mtd_blktrans_dev(dev))
+		kfree(dev);
 }
 
 static void mtdblock_remove_dev(struct mtd_blktrans_dev *dev)

From 75c0b84d41c6f08c0cb083464907005683ef2920 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:32 +0200
Subject: [PATCH 0058/3638] mtd: call the remove notifiers before assuming it
 is in use

Now that mtd block common layer is prepared for proper hotplug support,
enable it here

Now all users of the mtd device have a chance to put the mtd device
when they are notified to do so, and they have to do so to make hotplug work.

[dwmw2: There's more work to be done to fix hotplug in the general case, but
        this is a reasonable start]

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdcore.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 67669a76eaf..70a78587c3c 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -350,31 +350,34 @@ fail_locked:
 int del_mtd_device (struct mtd_info *mtd)
 {
 	int ret;
+	struct mtd_notifier *not;
 
 	mutex_lock(&mtd_table_mutex);
 
 	if (idr_find(&mtd_idr, mtd->index) != mtd) {
 		ret = -ENODEV;
-	} else if (mtd->usecount) {
+		goto out_error;
+	}
+
+	/* No need to get a refcount on the module containing
+		the notifier, since we hold the mtd_table_mutex */
+	list_for_each_entry(not, &mtd_notifiers, list)
+		not->remove(mtd);
+
+	if (mtd->usecount) {
 		printk(KERN_NOTICE "Removing MTD device #%d (%s) with use count %d\n",
 		       mtd->index, mtd->name, mtd->usecount);
 		ret = -EBUSY;
 	} else {
-		struct mtd_notifier *not;
-
 		device_unregister(&mtd->dev);
 
-		/* No need to get a refcount on the module containing
-		   the notifier, since we hold the mtd_table_mutex */
-		list_for_each_entry(not, &mtd_notifiers, list)
-			not->remove(mtd);
-
 		idr_remove(&mtd_idr, mtd->index);
 
 		module_put(THIS_MODULE);
 		ret = 0;
 	}
 
+out_error:
 	mutex_unlock(&mtd_table_mutex);
 	return ret;
 }

From 026ec57886b67c092bf7baecd029a7c1c4998c28 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:33 +0200
Subject: [PATCH 0059/3638] mtd: blktrans: allow FTL drivers to export sysfs
 attributes

This patch adds an ability to export sysfs attributes below
the block disk device.

This can be used to pass the udev an information about the FTL
and could include the vendor, serial, version, etc...

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtd_blkdevs.c    | 8 ++++++++
 include/linux/mtd/blktrans.h | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 646cc84ae69..9dd23d6acbb 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -379,6 +379,10 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 		set_disk_ro(gd, 1);
 
 	add_disk(gd);
+
+	if (new->disk_attributes)
+		sysfs_create_group(&disk_to_dev(gd)->kobj,
+					new->disk_attributes);
 	return 0;
 error4:
 	module_put(tr->owner);
@@ -405,6 +409,10 @@ int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
 	/* Stop new requests to arrive */
 	del_gendisk(old->disk);
 
+	if (old->disk_attributes)
+		sysfs_remove_group(&disk_to_dev(old->disk)->kobj,
+						old->disk_attributes);
+
 	/* Stop the thread */
 	kthread_stop(old->thread);
 
diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h
index d89b8fbba4c..b481ccd7ff3 100644
--- a/include/linux/mtd/blktrans.h
+++ b/include/linux/mtd/blktrans.h
@@ -10,6 +10,7 @@
 
 #include <linux/mutex.h>
 #include <linux/kref.h>
+#include <linux/sysfs.h>
 
 struct hd_geometry;
 struct mtd_info;
@@ -28,6 +29,7 @@ struct mtd_blktrans_dev {
 	int open;
 	struct kref ref;
 	struct gendisk *disk;
+	struct attribute_group *disk_attributes;
 	struct task_struct *thread;
 	struct request_queue *rq;
 	spinlock_t queue_lock;

From 49ef3c6ee11e221b26caf4ac55c2702a37cca103 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:34 +0200
Subject: [PATCH 0060/3638] mtd: nand: make suspend work if device is accessed
 by kernel threads.

Since all userspace threads are frozen at the time the nand_suspend is called,
they aren't inside any nand function.

We don't call try_to_freeze in nand ether. Thus the only user that can
be inside the nand functions is an non freezeable kernel thread. Thus we
can safely wait for it to finish.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ed62e1ee0f8..7442b3a29b2 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -773,9 +773,6 @@ nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state)
 			chip->state = FL_PM_SUSPENDED;
 			spin_unlock(lock);
 			return 0;
-		} else {
-			spin_unlock(lock);
-			return -EAGAIN;
 		}
 	}
 	set_current_state(TASK_UNINTERRUPTIBLE);

From 9aca334e854c319ccafea871006fda3814196e7b Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:35 +0200
Subject: [PATCH 0061/3638] mtd: nand: make MTD_OOB_PLACE work correctly.

MTD_OOB_PLACE is supposed to read/write the raw oob data similiar to the
MTD_OOB_RAW however due to a bug, currently it is not possible to read
more data that is specified by the oob 'free' regions.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 7442b3a29b2..cada4cffacf 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1420,6 +1420,9 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
 	int ret = 0;
 	uint32_t readlen = ops->len;
 	uint32_t oobreadlen = ops->ooblen;
+	uint32_t max_oobsize = ops->mode == MTD_OOB_AUTO ?
+		mtd->oobavail : mtd->oobsize;
+
 	uint8_t *bufpoi, *oob, *buf;
 
 	stats = mtd->ecc_stats;
@@ -1470,10 +1473,11 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
 			buf += bytes;
 
 			if (unlikely(oob)) {
+
 				/* Raw mode does data:oob:data:oob */
 				if (ops->mode != MTD_OOB_RAW) {
 					int toread = min(oobreadlen,
-						chip->ecc.layout->oobavail);
+								max_oobsize);
 					if (toread) {
 						oob = nand_transfer_oob(chip,
 							oob, ops, toread);

From 782ce79a45b3b850b108896fcf7da26754061c8f Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:36 +0200
Subject: [PATCH 0062/3638] mtd: nand: cleanup the nand_do_write_ops

nand_do_write_ops was broken in regard to writing several pages, each
with its own oob.

Although nand_do_write_ops intends to allow such mode, it fails do do so
Probably this was never tested.

Also add missing checks for attempts to write at illegal offsets.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index cada4cffacf..138674183c1 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2072,11 +2072,9 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
  * @oob:	oob data buffer
  * @ops:	oob ops structure
  */
-static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob,
-				  struct mtd_oob_ops *ops)
+static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob, size_t len,
+						struct mtd_oob_ops *ops)
 {
-	size_t len = ops->ooblen;
-
 	switch(ops->mode) {
 
 	case MTD_OOB_PLACE:
@@ -2131,6 +2129,11 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 	int chipnr, realpage, page, blockmask, column;
 	struct nand_chip *chip = mtd->priv;
 	uint32_t writelen = ops->len;
+
+	uint32_t oobwritelen = ops->ooblen;
+	uint32_t oobmaxlen = ops->mode == MTD_OOB_AUTO ?
+				mtd->oobavail : mtd->oobsize;
+
 	uint8_t *oob = ops->oobbuf;
 	uint8_t *buf = ops->datbuf;
 	int ret, subpage;
@@ -2172,6 +2175,10 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 	if (likely(!oob))
 		memset(chip->oob_poi, 0xff, mtd->oobsize);
 
+	/* Don't allow multipage oob writes with offset */
+	if (ops->ooboffs && (ops->ooboffs + ops->ooblen > oobmaxlen))
+		return -EINVAL;
+
 	while(1) {
 		int bytes = mtd->writesize;
 		int cached = writelen > bytes && page != blockmask;
@@ -2187,8 +2194,11 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 			wbuf = chip->buffers->databuf;
 		}
 
-		if (unlikely(oob))
-			oob = nand_fill_oob(chip, oob, ops);
+		if (unlikely(oob)) {
+			size_t len = min(oobwritelen, oobmaxlen);
+			oob = nand_fill_oob(chip, oob, len, ops);
+			oobwritelen -= len;
+		}
 
 		ret = chip->write_page(mtd, chip, wbuf, page, cached,
 				       (ops->mode == MTD_OOB_RAW));
@@ -2362,7 +2372,7 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
 		chip->pagebuf = -1;
 
 	memset(chip->oob_poi, 0xff, mtd->oobsize);
-	nand_fill_oob(chip, ops->oobbuf, ops);
+	nand_fill_oob(chip, ops->oobbuf, ops->ooblen, ops);
 	status = chip->ecc.write_oob(mtd, chip, page & chip->pagemask);
 	memset(chip->oob_poi, 0xff, mtd->oobsize);
 

From b64d39d8b03fea88417d53715ccbebf71d4dcc9f Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:37 +0200
Subject: [PATCH 0063/3638] mtd: nand: make reads using MTD_OOB_RAW affect only
 ECC validation

This changes the behavier of MTD_OOB_RAW. It used to read both OOB and
data to the data buffer, however you would still need to specify the
dummy oob buffer.

This is only used in one place, but makes it hard to read data+oob
without ECC test, thus I removed that behavier, and fixed the user.

Now MTD_OOB_RAW behaves just like MTD_OOB_PLACE, but doesn't do ECC
validation

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 19 +++++++------------
 drivers/mtd/nand/nand_bbt.c  | 26 ++++++++++++++++++++++----
 include/linux/mtd/mtd.h      |  4 +---
 3 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 138674183c1..51dfea1b3ce 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1474,18 +1474,13 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
 
 			if (unlikely(oob)) {
 
-				/* Raw mode does data:oob:data:oob */
-				if (ops->mode != MTD_OOB_RAW) {
-					int toread = min(oobreadlen,
-								max_oobsize);
-					if (toread) {
-						oob = nand_transfer_oob(chip,
-							oob, ops, toread);
-						oobreadlen -= toread;
-					}
-				} else
-					buf = nand_transfer_oob(chip,
-						buf, ops, mtd->oobsize);
+				int toread = min(oobreadlen, max_oobsize);
+
+				if (toread) {
+					oob = nand_transfer_oob(chip,
+						oob, ops, toread);
+					oobreadlen -= toread;
+				}
 			}
 
 			if (!(chip->options & NAND_NO_READRDY)) {
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 55c23e5cd21..387c45c366f 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -237,15 +237,33 @@ static int scan_read_raw(struct mtd_info *mtd, uint8_t *buf, loff_t offs,
 			 size_t len)
 {
 	struct mtd_oob_ops ops;
+	int res;
 
 	ops.mode = MTD_OOB_RAW;
 	ops.ooboffs = 0;
 	ops.ooblen = mtd->oobsize;
-	ops.oobbuf = buf;
-	ops.datbuf = buf;
-	ops.len = len;
 
-	return mtd->read_oob(mtd, offs, &ops);
+
+	while (len > 0) {
+		if (len <= mtd->writesize) {
+			ops.oobbuf = buf + len;
+			ops.datbuf = buf;
+			ops.len = len;
+			return mtd->read_oob(mtd, offs, &ops);
+		} else {
+			ops.oobbuf = buf + mtd->writesize;
+			ops.datbuf = buf;
+			ops.len = mtd->writesize;
+			res = mtd->read_oob(mtd, offs, &ops);
+
+			if (res)
+				return res;
+		}
+
+		buf += mtd->oobsize + mtd->writesize;
+		len -= mtd->writesize;
+	}
+	return 0;
 }
 
 /*
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 11d8e68d17c..5326435a757 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -60,9 +60,7 @@ struct mtd_erase_region_info {
  * MTD_OOB_PLACE:	oob data are placed at the given offset
  * MTD_OOB_AUTO:	oob data are automatically placed at the free areas
  *			which are defined by the ecclayout
- * MTD_OOB_RAW:		mode to read raw data+oob in one chunk. The oob data
- *			is inserted into the data. Thats a raw image of the
- *			flash contents.
+ * MTD_OOB_RAW:		mode to read oob and data without doing ECC checking
  */
 typedef enum {
 	MTD_OOB_PLACE,

From e0b58d0a7005cd4b9c7fa4694a437a2d86719c13 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:38 +0200
Subject: [PATCH 0064/3638] mtd: nand: add ->badblockbits for minimum number of
 set bits in bad block byte

This can be used to protect against bitflips in that field, but now mostly
for smartmedia.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 13 +++++++++----
 include/linux/mtd/nand.h     |  1 +
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 51dfea1b3ce..ba29a29bd74 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -364,14 +364,18 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
 		bad = cpu_to_le16(chip->read_word(mtd));
 		if (chip->badblockpos & 0x1)
 			bad >>= 8;
-		if ((bad & 0xFF) != 0xff)
-			res = 1;
+		else
+			bad &= 0xFF;
 	} else {
 		chip->cmdfunc(mtd, NAND_CMD_READOOB, chip->badblockpos, page);
-		if (chip->read_byte(mtd) != 0xff)
-			res = 1;
+		bad = chip->read_byte(mtd);
 	}
 
+	if (likely(chip->badblockbits == 8))
+		res = bad != 0xFF;
+	else
+		res = hweight8(bad) < chip->badblockbits;
+
 	if (getchip)
 		nand_release_device(mtd);
 
@@ -2884,6 +2888,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 	/* Set the bad block position */
 	chip->badblockpos = mtd->writesize > 512 ?
 		NAND_LARGE_BADBLOCK_POS : NAND_SMALL_BADBLOCK_POS;
+	chip->badblockbits = 8;
 
 	/* Get chip options, preserve non chip based options */
 	chip->options &= ~NAND_CHIPOPTIONS_MSK;
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 48bc2c54302..f2d4a1ac14b 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -401,6 +401,7 @@ struct nand_chip {
 	int		subpagesize;
 	uint8_t		cellinfo;
 	int		badblockpos;
+	int		badblockbits;
 
 	flstate_t	state;
 

From 9fc51a37a8da84618df7584cad67c078317f6720 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:39 +0200
Subject: [PATCH 0065/3638] mtd: common module for smartmedia/xD support

This small module implements few helpers that are usefull
for nand drivers for SmartMedia/xD card readers.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig     |   9 +++
 drivers/mtd/nand/Makefile    |   1 +
 drivers/mtd/nand/sm_common.c | 107 +++++++++++++++++++++++++++++++++++
 drivers/mtd/nand/sm_common.h |  61 ++++++++++++++++++++
 4 files changed, 178 insertions(+)
 create mode 100644 drivers/mtd/nand/sm_common.c
 create mode 100644 drivers/mtd/nand/sm_common.h

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 8a7ecfab4fe..5010344f4bb 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -18,6 +18,10 @@ config MTD_NAND_VERIFY_WRITE
 	  device thinks the write was successful, a bit could have been
 	  flipped accidentally due to device wear or something else.
 
+config MTD_NAND_SMARTMEDIA
+	boolean
+	default n
+
 config MTD_NAND_ECC_SMC
 	bool "NAND ECC Smart Media byte order"
 	default n
@@ -25,6 +29,11 @@ config MTD_NAND_ECC_SMC
 	  Software ECC according to the Smart Media Specification.
 	  The original Linux implementation had byte 0 and 1 swapped.
 
+config MTD_SM_COMMON
+	select MTD_NAND_SMARTMEDIA
+	tristate
+	default n
+
 config MTD_NAND_MUSEUM_IDS
 	bool "Enable chip ids for obsolete ancient NAND devices"
 	depends on MTD_NAND
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 1d19b7ab903..d9257961a6e 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -4,6 +4,7 @@
 
 obj-$(CONFIG_MTD_NAND)			+= nand.o nand_ecc.o
 obj-$(CONFIG_MTD_NAND_IDS)		+= nand_ids.o
+obj-$(CONFIG_MTD_SM_COMMON) 		+= sm_common.o
 
 obj-$(CONFIG_MTD_NAND_CAFE)		+= cafe_nand.o
 obj-$(CONFIG_MTD_NAND_SPIA)		+= spia.o
diff --git a/drivers/mtd/nand/sm_common.c b/drivers/mtd/nand/sm_common.c
new file mode 100644
index 00000000000..07b6f725723
--- /dev/null
+++ b/drivers/mtd/nand/sm_common.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright © 2009 - Maxim Levitsky
+ * Common routines & support for xD format
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/mtd/nand.h>
+#include "sm_common.h"
+
+static struct nand_ecclayout nand_oob_sm = {
+	.eccbytes = 6,
+	.eccpos = {8, 9, 10, 13, 14, 15},
+	.oobfree = {
+		{.offset = 0 , .length = 4}, /* reserved */
+		{.offset = 6 , .length = 2}, /* LBA1 */
+		{.offset = 11, .length = 2}  /* LBA2 */
+	}
+};
+
+/* NOTE: This layout is is not compatabable with SmartMedia, */
+/* because the 256 byte devices have page depenent oob layout */
+/* However it does preserve the bad block markers */
+/* If you use smftl, it will bypass this and work correctly */
+/* If you not, then you break SmartMedia compliance anyway */
+
+static struct nand_ecclayout nand_oob_sm_small = {
+	.eccbytes = 3,
+	.eccpos = {0, 1, 2},
+	.oobfree = {
+		{.offset = 3 , .length = 2}, /* reserved */
+		{.offset = 6 , .length = 2}, /* LBA1 */
+	}
+};
+
+
+static int sm_block_markbad(struct mtd_info *mtd, loff_t ofs)
+{
+	struct mtd_oob_ops ops;
+	struct sm_oob oob;
+	int ret, error = 0;
+
+	memset(&oob, -1, SM_OOB_SIZE);
+	oob.block_status = 0x0F;
+
+	/* As long as this function is called on erase block boundaries
+		it will work correctly for 256 byte nand */
+	ops.mode = MTD_OOB_PLACE;
+	ops.ooboffs = 0;
+	ops.ooblen = mtd->oobsize;
+	ops.oobbuf = (void *)&oob;
+	ops.datbuf = NULL;
+
+
+	ret = mtd->write_oob(mtd, ofs, &ops);
+	if (ret < 0 || ops.oobretlen != SM_OOB_SIZE) {
+		printk(KERN_NOTICE
+			"sm_common: can't mark sector at %i as bad\n",
+								(int)ofs);
+		error = -EIO;
+	} else
+		mtd->ecc_stats.badblocks++;
+
+	return error;
+}
+
+
+int sm_register_device(struct mtd_info *mtd)
+{
+	struct nand_chip *chip = (struct nand_chip *)mtd->priv;
+	int ret;
+
+	chip->options |= NAND_SKIP_BBTSCAN | NAND_SMARTMEDIA;
+
+	/* Scan for card properties */
+	ret = nand_scan_ident(mtd, 1);
+
+	if (ret)
+		return ret;
+
+	/* Bad block marker postion */
+	chip->badblockpos = 0x05;
+	chip->badblockbits = 7;
+	chip->block_markbad = sm_block_markbad;
+
+	/* ECC layout */
+	if (mtd->writesize == SM_SECTOR_SIZE)
+		chip->ecc.layout = &nand_oob_sm;
+	else if (mtd->writesize == SM_SMALL_PAGE)
+		chip->ecc.layout = &nand_oob_sm_small;
+	else
+		return -ENODEV;
+
+	ret = nand_scan_tail(mtd);
+
+	if (ret)
+		return ret;
+
+	return add_mtd_device(mtd);
+}
+EXPORT_SYMBOL_GPL(sm_register_device);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Maxim Levitsky <maximlevitsky@gmail.com>");
+MODULE_DESCRIPTION("Common SmartMedia/xD functions");
diff --git a/drivers/mtd/nand/sm_common.h b/drivers/mtd/nand/sm_common.h
new file mode 100644
index 00000000000..7c03314bdac
--- /dev/null
+++ b/drivers/mtd/nand/sm_common.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2009 - Maxim Levitsky
+ * Common routines & support for SmartMedia/xD format
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/bitops.h>
+#include <linux/mtd/mtd.h>
+
+/* Full oob structure as written on the flash */
+struct sm_oob {
+	uint32_t reserved;
+	uint8_t data_status;
+	uint8_t block_status;
+	uint8_t lba_copy1[2];
+	uint8_t ecc2[3];
+	uint8_t lba_copy2[2];
+	uint8_t ecc1[3];
+} __attribute__((packed));
+
+
+/* one sector is always 512 bytes, but it can consist of two nand pages */
+#define SM_SECTOR_SIZE		512
+
+/* oob area is also 16 bytes, but might be from two pages */
+#define SM_OOB_SIZE		16
+
+/* This is maximum zone size, and all devices that have more that one zone
+   have this size */
+#define SM_MAX_ZONE_SIZE 	1024
+
+/* support for small page nand */
+#define SM_SMALL_PAGE 		256
+#define SM_SMALL_OOB_SIZE	8
+
+
+extern int sm_register_device(struct mtd_info *mtd);
+
+
+inline int sm_sector_valid(struct sm_oob *oob)
+{
+	return hweight16(oob->data_status) >= 5;
+}
+
+inline int sm_block_valid(struct sm_oob *oob)
+{
+	return hweight16(oob->block_status) >= 7;
+}
+
+inline int sm_block_erased(struct sm_oob *oob)
+{
+	static const uint32_t erased_pattern[4] = {
+		0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
+
+	/* First test for erased block */
+	if (!memcmp(oob, erased_pattern, sizeof(*oob)))
+		return 1;
+	return 0;
+}

From 5e81e88a4c140586d9212999cea683bcd66a15c6 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Fri, 26 Feb 2010 18:32:56 +0000
Subject: [PATCH 0066/3638] mtd: nand: Allow caller to pass alternative ID
 table to nand_scan_ident()

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/atmel_nand.c    |  2 +-
 drivers/mtd/nand/bcm_umi_nand.c  |  2 +-
 drivers/mtd/nand/cafe_nand.c     |  2 +-
 drivers/mtd/nand/davinci_nand.c  |  2 +-
 drivers/mtd/nand/fsl_elbc_nand.c |  2 +-
 drivers/mtd/nand/mxc_nand.c      |  2 +-
 drivers/mtd/nand/nand_base.c     | 29 +++++++++++++++--------------
 drivers/mtd/nand/s3c2410.c       |  3 ++-
 drivers/mtd/nand/sh_flctl.c      |  2 +-
 drivers/mtd/nand/sm_common.c     |  2 +-
 drivers/mtd/nand/socrates_nand.c |  2 +-
 drivers/mtd/nand/txx9ndfmc.c     |  2 +-
 include/linux/mtd/nand.h         |  4 +++-
 13 files changed, 30 insertions(+), 26 deletions(-)

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 524e6c9e067..04d30887ca7 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -474,7 +474,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
 	}
 
 	/* first scan to find the device and get the page size */
-	if (nand_scan_ident(mtd, 1)) {
+	if (nand_scan_ident(mtd, 1, NULL)) {
 		res = -ENXIO;
 		goto err_scan_ident;
 	}
diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index 087bcd745bb..5ff90b7e565 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -446,7 +446,7 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
 	 * layout we'll be using.
 	 */
 
-	err = nand_scan_ident(board_mtd, 1);
+	err = nand_scan_ident(board_mtd, 1, NULL);
 	if (err) {
 		printk(KERN_ERR "nand_scan failed: %d\n", err);
 		iounmap(bcm_umi_io_base);
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index 67e2b33f7ef..01a6fe1c780 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -761,7 +761,7 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev,
 		cafe_readl(cafe, GLOBAL_CTRL), cafe_readl(cafe, GLOBAL_IRQ_MASK));
 
 	/* Scan to find existence of the device */
-	if (nand_scan_ident(mtd, 2)) {
+	if (nand_scan_ident(mtd, 2, NULL)) {
 		err = -ENXIO;
 		goto out_irq;
 	}
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index e2eeaf1e51a..45bb931c084 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -690,7 +690,7 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
 	spin_unlock_irq(&davinci_nand_lock);
 
 	/* Scan to find existence of the device(s) */
-	ret = nand_scan_ident(&info->mtd, pdata->mask_chipsel ? 2 : 1);
+	ret = nand_scan_ident(&info->mtd, pdata->mask_chipsel ? 2 : 1, NULL);
 	if (ret < 0) {
 		dev_dbg(&pdev->dev, "no NAND chip(s) found\n");
 		goto err_scan;
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 1b8328fbb9d..3f38fb8e666 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -891,7 +891,7 @@ static int __devinit fsl_elbc_chip_probe(struct fsl_elbc_ctrl *ctrl,
 	if (ret)
 		goto err;
 
-	ret = nand_scan_ident(&priv->mtd, 1);
+	ret = nand_scan_ident(&priv->mtd, 1, NULL);
 	if (ret)
 		goto err;
 
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 06cc378196b..474a09e5313 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -819,7 +819,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 	}
 
 	/* first scan to find the device and get the page size */
-	if (nand_scan_ident(mtd, 1)) {
+	if (nand_scan_ident(mtd, 1, NULL)) {
 		err = -ENXIO;
 		goto escan;
 	}
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ba29a29bd74..1c4823696be 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2766,10 +2766,10 @@ static void nand_set_defaults(struct nand_chip *chip, int busw)
  */
 static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 						  struct nand_chip *chip,
-						  int busw, int *maf_id)
+						  int busw, int *maf_id,
+						  struct nand_flash_dev *type)
 {
-	struct nand_flash_dev *type = NULL;
-	int i, dev_id, maf_idx;
+	int dev_id, maf_idx;
 	int tmp_id, tmp_manf;
 
 	/* Select the device */
@@ -2808,15 +2808,14 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 		return ERR_PTR(-ENODEV);
 	}
 
-	/* Lookup the flash id */
-	for (i = 0; nand_flash_ids[i].name != NULL; i++) {
-		if (dev_id == nand_flash_ids[i].id) {
-			type =  &nand_flash_ids[i];
-			break;
-		}
-	}
-
 	if (!type)
+		type = nand_flash_ids;
+
+	for (; type->name != NULL; type++)
+		if (dev_id == type->id)
+                        break;
+
+	if (!type->name)
 		return ERR_PTR(-ENODEV);
 
 	if (!mtd->name)
@@ -2926,13 +2925,15 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
  * nand_scan_ident - [NAND Interface] Scan for the NAND device
  * @mtd:	     MTD device structure
  * @maxchips:	     Number of chips to scan for
+ * @table:	     Alternative NAND ID table
  *
  * This is the first phase of the normal nand_scan() function. It
  * reads the flash ID and sets up MTD fields accordingly.
  *
  * The mtd->owner field must be set to the module of the caller.
  */
-int nand_scan_ident(struct mtd_info *mtd, int maxchips)
+int nand_scan_ident(struct mtd_info *mtd, int maxchips,
+		    struct nand_flash_dev *table)
 {
 	int i, busw, nand_maf_id;
 	struct nand_chip *chip = mtd->priv;
@@ -2944,7 +2945,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips)
 	nand_set_defaults(chip, busw);
 
 	/* Read the flash type */
-	type = nand_get_flash_type(mtd, chip, busw, &nand_maf_id);
+	type = nand_get_flash_type(mtd, chip, busw, &nand_maf_id, table);
 
 	if (IS_ERR(type)) {
 		if (!(chip->options & NAND_SCAN_SILENT_NODEV))
@@ -3235,7 +3236,7 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
 		BUG();
 	}
 
-	ret = nand_scan_ident(mtd, maxchips);
+	ret = nand_scan_ident(mtd, maxchips, NULL);
 	if (!ret)
 		ret = nand_scan_tail(mtd);
 	return ret;
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index c41ad2285c6..dc02dcd0c08 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -1013,7 +1013,8 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
 		s3c2410_nand_init_chip(info, nmtd, sets);
 
 		nmtd->scan_res = nand_scan_ident(&nmtd->mtd,
-						 (sets) ? sets->nr_chips : 1);
+						 (sets) ? sets->nr_chips : 1,
+						 NULL);
 
 		if (nmtd->scan_res == 0) {
 			s3c2410_nand_update_chip(info, nmtd);
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 4260ab78f95..dbc09a81866 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -825,7 +825,7 @@ static int __init flctl_probe(struct platform_device *pdev)
 	nand->select_chip = flctl_select_chip;
 	nand->cmdfunc = flctl_cmdfunc;
 
-	ret = nand_scan_ident(flctl_mtd, 1);
+	ret = nand_scan_ident(flctl_mtd, 1, NULL);
 	if (ret)
 		goto err;
 
diff --git a/drivers/mtd/nand/sm_common.c b/drivers/mtd/nand/sm_common.c
index 07b6f725723..f52bb394927 100644
--- a/drivers/mtd/nand/sm_common.c
+++ b/drivers/mtd/nand/sm_common.c
@@ -75,7 +75,7 @@ int sm_register_device(struct mtd_info *mtd)
 	chip->options |= NAND_SKIP_BBTSCAN | NAND_SMARTMEDIA;
 
 	/* Scan for card properties */
-	ret = nand_scan_ident(mtd, 1);
+	ret = nand_scan_ident(mtd, 1, NULL);
 
 	if (ret)
 		return ret;
diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
index 65748ea2b34..b37cbde6e7d 100644
--- a/drivers/mtd/nand/socrates_nand.c
+++ b/drivers/mtd/nand/socrates_nand.c
@@ -220,7 +220,7 @@ static int __devinit socrates_nand_probe(struct of_device *ofdev,
 	dev_set_drvdata(&ofdev->dev, host);
 
 	/* first scan to find the device and get the page size */
-	if (nand_scan_ident(mtd, 1)) {
+	if (nand_scan_ident(mtd, 1, NULL)) {
 		res = -ENXIO;
 		goto out;
 	}
diff --git a/drivers/mtd/nand/txx9ndfmc.c b/drivers/mtd/nand/txx9ndfmc.c
index 863513c3b69..054a41c0ef4 100644
--- a/drivers/mtd/nand/txx9ndfmc.c
+++ b/drivers/mtd/nand/txx9ndfmc.c
@@ -274,7 +274,7 @@ static int txx9ndfmc_nand_scan(struct mtd_info *mtd)
 	struct nand_chip *chip = mtd->priv;
 	int ret;
 
-	ret = nand_scan_ident(mtd, 1);
+	ret = nand_scan_ident(mtd, 1, NULL);
 	if (!ret) {
 		if (mtd->writesize >= 512) {
 			chip->ecc.size = mtd->writesize;
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index f2d4a1ac14b..d152bdf9161 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -25,11 +25,13 @@
 #include <linux/mtd/bbm.h>
 
 struct mtd_info;
+struct nand_flash_dev;
 /* Scan and identify a NAND device */
 extern int nand_scan (struct mtd_info *mtd, int max_chips);
 /* Separate phases of nand_scan(), allowing board driver to intervene
  * and override command or ECC setup according to flash type */
-extern int nand_scan_ident(struct mtd_info *mtd, int max_chips);
+extern int nand_scan_ident(struct mtd_info *mtd, int max_chips,
+			   struct nand_flash_dev *table);
 extern int nand_scan_tail(struct mtd_info *mtd);
 
 /* Free resources held by the NAND device */

From 93edbad69b0491d794c2ec86bcc65c69eac676e3 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:40 +0200
Subject: [PATCH 0067/3638] mtd: Workaround wrong write protect status on some
 xD cards

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 8 +++++++-
 include/linux/mtd/nand.h     | 6 ++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 1c4823696be..b9dc65c7253 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -434,6 +434,11 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
 static int nand_check_wp(struct mtd_info *mtd)
 {
 	struct nand_chip *chip = mtd->priv;
+
+	/* broken xD cards report WP despite being writable */
+	if (chip->options & NAND_BROKEN_XD)
+		return 0;
+
 	/* Check the WP bit */
 	chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
 	return (chip->read_byte(mtd) & NAND_STATUS_WP) ? 0 : 1;
@@ -3175,7 +3180,8 @@ int nand_scan_tail(struct mtd_info *mtd)
 
 	/* Fill in remaining MTD driver data */
 	mtd->type = MTD_NANDFLASH;
-	mtd->flags = MTD_CAP_NANDFLASH;
+	mtd->flags = (chip->options & NAND_ROM) ? MTD_CAP_ROM :
+						MTD_CAP_NANDFLASH;
 	mtd->erase = nand_erase;
 	mtd->point = NULL;
 	mtd->unpoint = NULL;
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index d152bdf9161..8bdacb885f9 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -182,6 +182,12 @@ typedef enum {
 /* Chip does not allow subpage writes */
 #define NAND_NO_SUBPAGE_WRITE	0x00000200
 
+/* Device is one of 'new' xD cards that expose fake nand command set */
+#define NAND_BROKEN_XD		0x00000400
+
+/* Device behaves just like nand, but is readonly */
+#define NAND_ROM		0x00000800
+
 /* Options valid for Samsung large page devices */
 #define NAND_SAMSUNG_LP_OPTIONS \
 	(NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK)

From 2764fb4244cc1bc08df3667924ca4a972e90ac70 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Fri, 26 Feb 2010 18:45:37 +0000
Subject: [PATCH 0068/3638] mtd: nand: Add SmartMedia device table to sm_common
 module

(and remove the CONFIG_MTD_NAND_SMARTMEDIA option which isn't going to be
used now that we're doing it this way)

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig     |  5 -----
 drivers/mtd/nand/sm_common.c | 40 ++++++++++++++++++++++++++++++++++--
 2 files changed, 38 insertions(+), 7 deletions(-)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 5010344f4bb..c89aaab1571 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -18,10 +18,6 @@ config MTD_NAND_VERIFY_WRITE
 	  device thinks the write was successful, a bit could have been
 	  flipped accidentally due to device wear or something else.
 
-config MTD_NAND_SMARTMEDIA
-	boolean
-	default n
-
 config MTD_NAND_ECC_SMC
 	bool "NAND ECC Smart Media byte order"
 	default n
@@ -30,7 +26,6 @@ config MTD_NAND_ECC_SMC
 	  The original Linux implementation had byte 0 and 1 swapped.
 
 config MTD_SM_COMMON
-	select MTD_NAND_SMARTMEDIA
 	tristate
 	default n
 
diff --git a/drivers/mtd/nand/sm_common.c b/drivers/mtd/nand/sm_common.c
index f52bb394927..aae0b9acd7a 100644
--- a/drivers/mtd/nand/sm_common.c
+++ b/drivers/mtd/nand/sm_common.c
@@ -67,15 +67,51 @@ static int sm_block_markbad(struct mtd_info *mtd, loff_t ofs)
 }
 
 
+static struct nand_flash_dev nand_smartmedia_flash_ids[] = {
+
+	/* SmartMedia */
+	{"SmartMedia 1MiB 5V",          0x6e, 256, 1, 0x1000, 0},
+	{"SmartMedia 1MiB 3,3V",        0xe8, 256, 1, 0x1000, 0},
+	{"SmartMedia 1MiB 3,3V",        0xec, 256, 1, 0x1000, 0},
+	{"SmartMedia 2MiB 3,3V",        0xea, 256, 2, 0x1000, 0},
+	{"SmartMedia 2MiB 5V",          0x64, 256, 2, 0x1000, 0},
+	{"SmartMedia 2MiB 3,3V ROM",    0x5d, 512, 2, 0x2000, NAND_ROM},
+	{"SmartMedia 4MiB 3,3V",        0xe3, 512, 4, 0x2000, 0},
+	{"SmartMedia 4MiB 3,3/5V",      0xe5, 512, 4, 0x2000, 0},
+	{"SmartMedia 4MiB 5V",          0x6b, 512, 4, 0x2000, 0},
+	{"SmartMedia 4MiB 3,3V ROM",    0xd5, 512, 4, 0x2000, NAND_ROM},
+	{"SmartMedia 8MiB 3,3V",        0xe6, 512, 8, 0x2000, 0},
+	{"SmartMedia 8MiB 3,3V ROM",    0xd6, 512, 8, 0x2000, NAND_ROM},
+
+#define XD_TYPEM       (NAND_NO_AUTOINCR | NAND_BROKEN_XD)
+	/* xD / SmartMedia */
+	{"SmartMedia/xD 16MiB 3,3V",    0x73, 512, 16, 0x4000, 0},
+	{"SmartMedia 16MiB 3,3V ROM",   0x57, 512, 16, 0x4000, NAND_ROM},
+	{"SmartMedia/xD 32MiB 3,3V",    0x75, 512, 32, 0x4000, 0},
+	{"SmartMedia 32MiB 3,3V ROM",   0x58, 512, 32, 0x4000, NAND_ROM},
+	{"SmartMedia/xD 64MiB 3,3V",    0x76, 512, 64, 0x4000, 0},
+	{"SmartMedia 64MiB 3,3V ROM",   0xd9, 512, 64, 0x4000, NAND_ROM},
+	{"SmartMedia/xD 128MiB 3,3V",   0x79, 512, 128, 0x4000, 0},
+	{"SmartMedia 128MiB 3,3V ROM",  0xda, 512, 128, 0x4000, NAND_ROM},
+	{"SmartMedia/xD 256MiB 3,3V",   0x71, 512, 256, 0x4000, XD_TYPEM},
+	{"SmartMedia 256MiB 3,3V ROM",  0x5b, 512, 256, 0x4000, NAND_ROM},
+
+	/* xD only */
+	{"xD 512MiB 3,3V",              0xDC, 512, 512, 0x4000, XD_TYPEM},
+	{"xD 1GiB 3,3V",                0xD3, 512, 1024, 0x4000, XD_TYPEM},
+	{"xD 2GiB 3,3V",                0xD5, 512, 2048, 0x4000, XD_TYPEM},
+	{NULL,}
+};
+
 int sm_register_device(struct mtd_info *mtd)
 {
 	struct nand_chip *chip = (struct nand_chip *)mtd->priv;
 	int ret;
 
-	chip->options |= NAND_SKIP_BBTSCAN | NAND_SMARTMEDIA;
+	chip->options |= NAND_SKIP_BBTSCAN;
 
 	/* Scan for card properties */
-	ret = nand_scan_ident(mtd, 1, NULL);
+	ret = nand_scan_ident(mtd, 1, nand_smartmedia_flash_ids);
 
 	if (ret)
 		return ret;

From 7d17c02a01a111f40986859f044c8c4cce8a4aa6 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:41 +0200
Subject: [PATCH 0069/3638] mtd: Add new SmartMedia/xD FTL

This implements new readwrite SmartMedia/xd FTL.

mtd driver must have support proper ECC and badblock verification
based on oob parts for 512 bytes nand.

Also mtd driver must define read_oob and write_oob, which are used
to read and write both data and oob together.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/Kconfig  |   21 +
 drivers/mtd/Makefile |    1 +
 drivers/mtd/sm_ftl.c | 1284 ++++++++++++++++++++++++++++++++++++++++++
 drivers/mtd/sm_ftl.h |   94 ++++
 4 files changed, 1400 insertions(+)
 create mode 100644 drivers/mtd/sm_ftl.c
 create mode 100644 drivers/mtd/sm_ftl.h

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index ecf90f5c97c..8a912406433 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -304,6 +304,27 @@ config SSFDC
 	  This enables read only access to SmartMedia formatted NAND
 	  flash. You can mount it with FAT file system.
 
+
+config SM_FTL
+	tristate "SmartMedia/xD new translation layer"
+	depends on EXPERIMENTAL && BLOCK
+	select MTD_BLKDEVS
+	help
+	  This enables new and very EXPERMENTAL support for SmartMedia/xD
+	  FTL (Flash tanslation layer)
+	  Write support isn't yet well tested, therefore this code IS likely to
+	  eat your card, so please don't use it together with valuable data.
+	  Use readonly driver (CONFIG_SSFDC) instead.
+
+config SM_FTL_MUSEUM
+	boolean "Additional Support for 1MiB and 2MiB SmartMedia cards"
+	depends on SM_FTL && MTD_NAND
+	select MTD_NAND_ECC_SMC
+	help
+	  Very old SmartMedia cards need ECC to be calculated in the FTL
+	  Such cards are very rare, thus enabling this option is mostly useless
+	  Also this support is completely UNTESTED.
+
 config MTD_OOPS
 	tristate "Log panic/oops to an MTD buffer"
 	depends on MTD
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index 82d1e4de475..d53357bd75a 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_NFTL)		+= nftl.o
 obj-$(CONFIG_INFTL)		+= inftl.o
 obj-$(CONFIG_RFD_FTL)		+= rfd_ftl.o
 obj-$(CONFIG_SSFDC)		+= ssfdc.o
+obj-$(CONFIG_SM_FTL)		+= sm_ftl.o
 obj-$(CONFIG_MTD_OOPS)		+= mtdoops.o
 
 nftl-objs		:= nftlcore.o nftlmount.o
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
new file mode 100644
index 00000000000..a59ebb48cae
--- /dev/null
+++ b/drivers/mtd/sm_ftl.c
@@ -0,0 +1,1284 @@
+/*
+ * Copyright © 2009 - Maxim Levitsky
+ * SmartMedia/xD translation layer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/random.h>
+#include <linux/hdreg.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
+#include <linux/sysfs.h>
+#include <linux/bitops.h>
+#include "nand/sm_common.h"
+#include "sm_ftl.h"
+
+#ifdef CONFIG_SM_FTL_MUSEUM
+#include <linux/mtd/nand_ecc.h>
+#endif
+
+
+struct workqueue_struct *cache_flush_workqueue;
+
+static int cache_timeout = 1000;
+module_param(cache_timeout, bool, S_IRUGO);
+MODULE_PARM_DESC(cache_timeout,
+	"Timeout (in ms) for cache flush (1000 ms default");
+
+static int debug;
+module_param(debug, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug level (0-2)");
+
+
+/* ------------------- sysfs attributtes ---------------------------------- */
+struct sm_sysfs_attribute {
+	struct device_attribute dev_attr;
+	char *data;
+	int len;
+};
+
+ssize_t sm_attr_show(struct device *dev, struct device_attribute *attr,
+		     char *buf)
+{
+	struct sm_sysfs_attribute *sm_attr =
+		container_of(attr, struct sm_sysfs_attribute, dev_attr);
+
+	strncpy(buf, sm_attr->data, sm_attr->len);
+	return sm_attr->len;
+}
+
+
+#define NUM_ATTRIBUTES 1
+#define SM_CIS_VENDOR_OFFSET 0x59
+struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl)
+{
+	struct attribute_group *attr_group;
+	struct attribute **attributes;
+	struct sm_sysfs_attribute *vendor_attribute;
+
+	int vendor_len = strnlen(ftl->cis_buffer + SM_CIS_VENDOR_OFFSET,
+					SM_SMALL_PAGE - SM_CIS_VENDOR_OFFSET);
+
+	char *vendor = kmalloc(vendor_len, GFP_KERNEL);
+	memcpy(vendor, ftl->cis_buffer + SM_CIS_VENDOR_OFFSET, vendor_len);
+	vendor[vendor_len] = 0;
+
+	/* Initialize sysfs attributes */
+	vendor_attribute =
+		kzalloc(sizeof(struct sm_sysfs_attribute), GFP_KERNEL);
+
+	vendor_attribute->data = vendor;
+	vendor_attribute->len = vendor_len;
+	vendor_attribute->dev_attr.attr.name = "vendor";
+	vendor_attribute->dev_attr.attr.mode = S_IRUGO;
+	vendor_attribute->dev_attr.show = sm_attr_show;
+
+
+	/* Create array of pointers to the attributes */
+	attributes = kzalloc(sizeof(struct attribute *) * (NUM_ATTRIBUTES + 1),
+								GFP_KERNEL);
+	attributes[0] = &vendor_attribute->dev_attr.attr;
+
+	/* Finally create the attribute group */
+	attr_group = kzalloc(sizeof(struct attribute_group), GFP_KERNEL);
+	attr_group->attrs = attributes;
+	return attr_group;
+}
+
+void sm_delete_sysfs_attributes(struct sm_ftl *ftl)
+{
+	struct attribute **attributes = ftl->disk_attributes->attrs;
+	int i;
+
+	for (i = 0; attributes[i] ; i++) {
+
+		struct device_attribute *dev_attr = container_of(attributes[i],
+			struct device_attribute, attr);
+
+		struct sm_sysfs_attribute *sm_attr =
+			container_of(dev_attr,
+				struct sm_sysfs_attribute, dev_attr);
+
+		kfree(sm_attr->data);
+		kfree(sm_attr);
+	}
+
+	kfree(ftl->disk_attributes->attrs);
+	kfree(ftl->disk_attributes);
+}
+
+
+/* ----------------------- oob helpers -------------------------------------- */
+
+static int sm_get_lba(uint8_t *lba)
+{
+	/* check fixed bits */
+	if ((lba[0] & 0xF8) != 0x10)
+		return -2;
+
+	/* check parity - endianess doesn't matter */
+	if (hweight16(*(uint16_t *)lba) & 1)
+		return -2;
+
+	return (lba[1] >> 1) | ((lba[0] & 0x07) << 7);
+}
+
+
+/*
+ * Read LBA asscociated with block
+ * returns -1, if block is erased
+ * returns -2 if error happens
+ */
+static int sm_read_lba(struct sm_oob *oob)
+{
+	static const uint32_t erased_pattern[4] = {
+		0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
+
+	uint16_t lba_test;
+	int lba;
+
+	/* First test for erased block */
+	if (!memcmp(oob, erased_pattern, SM_OOB_SIZE))
+		return -1;
+
+	/* Now check is both copies of the LBA differ too much */
+	lba_test = *(uint16_t *)oob->lba_copy1 ^ *(uint16_t*)oob->lba_copy2;
+	if (lba_test && !is_power_of_2(lba_test))
+		return -2;
+
+	/* And read it */
+	lba = sm_get_lba(oob->lba_copy1);
+
+	if (lba == -2)
+		lba = sm_get_lba(oob->lba_copy2);
+
+	return lba;
+}
+
+static void sm_write_lba(struct sm_oob *oob, uint16_t lba)
+{
+	uint8_t tmp[2];
+
+	WARN_ON(lba >= 1000);
+
+	tmp[0] = 0x10 | ((lba >> 7) & 0x07);
+	tmp[1] = (lba << 1) & 0xFF;
+
+	if (hweight16(*(uint16_t *)tmp) & 0x01)
+		tmp[1] |= 1;
+
+	oob->lba_copy1[0] = oob->lba_copy2[0] = tmp[0];
+	oob->lba_copy1[1] = oob->lba_copy2[1] = tmp[1];
+}
+
+
+/* Make offset from parts */
+static loff_t sm_mkoffset(struct sm_ftl *ftl, int zone, int block, int boffset)
+{
+	WARN_ON(boffset & (SM_SECTOR_SIZE - 1));
+	WARN_ON(zone < 0 || zone >= ftl->zone_count);
+	WARN_ON(block >= ftl->zone_size);
+	WARN_ON(boffset >= ftl->block_size);
+
+	if (block == -1)
+		return -1;
+
+	return (zone * SM_MAX_ZONE_SIZE + block) * ftl->block_size + boffset;
+}
+
+/* Breaks offset into parts */
+static void sm_break_offset(struct sm_ftl *ftl, loff_t offset,
+			    int *zone, int *block, int *boffset)
+{
+	*boffset = do_div(offset, ftl->block_size);
+	*block = do_div(offset, ftl->max_lba);
+	*zone = offset >= ftl->zone_count ? -1 : offset;
+}
+
+/* ---------------------- low level IO ------------------------------------- */
+
+static int sm_correct_sector(uint8_t *buffer, struct sm_oob *oob)
+{
+#ifdef CONFIG_SM_FTL_MUSEUM
+	uint8_t ecc[3];
+
+	__nand_calculate_ecc(buffer, SM_SMALL_PAGE, ecc);
+	if (__nand_correct_data(buffer, ecc, oob->ecc1, SM_SMALL_PAGE) < 0)
+		return -EIO;
+
+	buffer += SM_SMALL_PAGE;
+
+	__nand_calculate_ecc(buffer, SM_SMALL_PAGE, ecc);
+	if (__nand_correct_data(buffer, ecc, oob->ecc2, SM_SMALL_PAGE) < 0)
+		return -EIO;
+#endif
+	return 0;
+}
+
+/* Reads a sector + oob*/
+static int sm_read_sector(struct sm_ftl *ftl,
+			  int zone, int block, int boffset,
+			  uint8_t *buffer, struct sm_oob *oob)
+{
+	struct mtd_info *mtd = ftl->trans->mtd;
+	struct mtd_oob_ops ops;
+	struct sm_oob tmp_oob;
+	int ret;
+	int try = 0;
+
+	/* FTL can contain -1 entries that are by default filled with bits */
+	if (block == -1) {
+		memset(buffer, 0xFF, SM_SECTOR_SIZE);
+		return 0;
+	}
+
+	/* User might not need the oob, but we do for data vertification */
+	if (!oob)
+		oob = &tmp_oob;
+
+	ops.mode = ftl->smallpagenand ? MTD_OOB_RAW : MTD_OOB_PLACE;
+	ops.ooboffs = 0;
+	ops.ooblen = SM_OOB_SIZE;
+	ops.oobbuf = (void *)oob;
+	ops.len = SM_SECTOR_SIZE;
+	ops.datbuf = buffer;
+
+again:
+	if (try++) {
+		/* Avoid infinite recursion on CIS reads, sm_recheck_media
+			won't help anyway */
+		if (zone == 0 && block == ftl->cis_block && boffset ==
+			ftl->cis_boffset)
+			return ret;
+
+		/* Test if media is stable */
+		if (try == 3 || sm_recheck_media(ftl))
+			return ret;
+	}
+
+	/* Unfortunelly, oob read will _always_ succeed,
+		despite card removal..... */
+	ret = mtd->read_oob(mtd, sm_mkoffset(ftl, zone, block, boffset), &ops);
+
+	/* Test for unknown errors */
+	if (ret != 0 && ret != -EUCLEAN && ret != -EBADMSG) {
+		dbg("read of block %d at zone %d, failed due to error (%d)",
+			block, zone, ret);
+		goto again;
+	}
+
+	/* Do a basic test on the oob, to guard against returned garbage */
+	if (oob->reserved != 0xFFFFFFFF && !is_power_of_2(~oob->reserved))
+		goto again;
+
+	/* This should never happen, unless there is a bug in the mtd driver */
+	WARN_ON(ops.oobretlen != SM_OOB_SIZE);
+	WARN_ON(buffer && ops.retlen != SM_SECTOR_SIZE);
+
+	if (!buffer)
+		return 0;
+
+	/* Test if sector marked as bad */
+	if (!sm_sector_valid(oob)) {
+		dbg("read of block %d at zone %d, failed because it is marked"
+			" as bad" , block, zone);
+		goto again;
+	}
+
+	/* Test ECC*/
+	if (ret == -EBADMSG ||
+		(ftl->smallpagenand && sm_correct_sector(buffer, oob))) {
+
+		dbg("read of block %d at zone %d, failed due to ECC error",
+			block, zone);
+		goto again;
+	}
+
+	return 0;
+}
+
+/* Writes a sector to media */
+static int sm_write_sector(struct sm_ftl *ftl,
+			   int zone, int block, int boffset,
+			   uint8_t *buffer, struct sm_oob *oob)
+{
+	struct mtd_oob_ops ops;
+	struct mtd_info *mtd = ftl->trans->mtd;
+	int ret;
+
+	BUG_ON(ftl->readonly);
+
+	if (zone == 0 && (block == ftl->cis_block || block == 0)) {
+		dbg("attempted to write the CIS!");
+		return -EIO;
+	}
+
+	if (ftl->unstable)
+		return -EIO;
+
+	ops.mode = ftl->smallpagenand ? MTD_OOB_RAW : MTD_OOB_PLACE;
+	ops.len = SM_SECTOR_SIZE;
+	ops.datbuf = buffer;
+	ops.ooboffs = 0;
+	ops.ooblen = SM_OOB_SIZE;
+	ops.oobbuf = (void *)oob;
+
+	ret = mtd->write_oob(mtd, sm_mkoffset(ftl, zone, block, boffset), &ops);
+
+	/* Now we assume that hardware will catch write bitflip errors */
+	/* If you are paranoid, use CONFIG_MTD_NAND_VERIFY_WRITE */
+
+	if (ret) {
+		dbg("write to block %d at zone %d, failed with error %d",
+			block, zone, ret);
+
+		sm_recheck_media(ftl);
+		return ret;
+	}
+
+	/* This should never happen, unless there is a bug in the driver */
+	WARN_ON(ops.oobretlen != SM_OOB_SIZE);
+	WARN_ON(buffer && ops.retlen != SM_SECTOR_SIZE);
+
+	return 0;
+}
+
+/* ------------------------ block IO ------------------------------------- */
+
+/* Write a block using data and lba, and invalid sector bitmap */
+static int sm_write_block(struct sm_ftl *ftl, uint8_t *buf,
+			  int zone, int block, int lba,
+			  unsigned long invalid_bitmap)
+{
+	struct sm_oob oob;
+	int boffset;
+	int retry = 0;
+
+	/* Initialize the oob with requested values */
+	memset(&oob, 0xFF, SM_OOB_SIZE);
+	sm_write_lba(&oob, lba);
+restart:
+	if (ftl->unstable)
+		return -EIO;
+
+	for (boffset = 0; boffset < ftl->block_size;
+				boffset += SM_SECTOR_SIZE) {
+
+		oob.data_status = 0xFF;
+
+		if (test_bit(boffset / SM_SECTOR_SIZE, &invalid_bitmap)) {
+
+			sm_printk("sector %d of block at LBA %d of zone %d"
+				" coudn't be read, marking it as invalid",
+				boffset / SM_SECTOR_SIZE, lba, zone);
+
+			oob.data_status = 0;
+		}
+
+#ifdef CONFIG_SM_FTL_MUSEUM
+		if (ftl->smallpagenand) {
+			__nand_calculate_ecc(buf + boffset,
+						SM_SMALL_PAGE, oob.ecc1);
+
+			__nand_calculate_ecc(buf + boffset + SM_SMALL_PAGE,
+						SM_SMALL_PAGE, oob.ecc2);
+		}
+#endif
+		if (!sm_write_sector(ftl, zone, block, boffset,
+							buf + boffset, &oob))
+			continue;
+
+		if (!retry) {
+
+			/* If write fails. try to erase the block */
+			/* This is safe, because we never write in blocks
+				that contain valuable data.
+			This is intended to repair block that are marked
+			as erased, but that isn't fully erased*/
+
+			if (sm_erase_block(ftl, zone, block, 0))
+				return -EIO;
+
+			retry = 1;
+			goto restart;
+		} else {
+			sm_mark_block_bad(ftl, zone, block);
+			return -EIO;
+		}
+	}
+	return 0;
+}
+
+
+/* Mark whole block at offset 'offs' as bad. */
+static void sm_mark_block_bad(struct sm_ftl *ftl, int zone, int block)
+{
+	struct sm_oob oob;
+	int boffset;
+
+	memset(&oob, 0xFF, SM_OOB_SIZE);
+	oob.block_status = 0xF0;
+
+	if (ftl->unstable)
+		return;
+
+	if (sm_recheck_media(ftl))
+		return;
+
+	sm_printk("marking block %d of zone %d as bad", block, zone);
+
+	/* We aren't checking the return value, because we don't care */
+	/* This also fails on fake xD cards, but I guess these won't expose
+		any bad blocks till fail completly */
+	for (boffset = 0; boffset < ftl->block_size; boffset += SM_SECTOR_SIZE)
+		sm_write_sector(ftl, zone, block, boffset, NULL, &oob);
+}
+
+/*
+ * Erase a block within a zone
+ * If erase succedes, it updates free block fifo, otherwise marks block as bad
+ */
+static int sm_erase_block(struct sm_ftl *ftl, int zone_num, uint16_t block,
+			  int put_free)
+{
+	struct ftl_zone *zone = &ftl->zones[zone_num];
+	struct mtd_info *mtd = ftl->trans->mtd;
+	struct erase_info erase;
+
+	erase.mtd = mtd;
+	erase.callback = sm_erase_callback;
+	erase.addr = sm_mkoffset(ftl, zone_num, block, 0);
+	erase.len = ftl->block_size;
+	erase.priv = (u_long)ftl;
+
+	if (ftl->unstable)
+		return -EIO;
+
+	BUG_ON(ftl->readonly);
+
+	if (zone_num == 0 && (block == ftl->cis_block || block == 0)) {
+		sm_printk("attempted to erase the CIS!");
+		return -EIO;
+	}
+
+	if (mtd->erase(mtd, &erase)) {
+		sm_printk("erase of block %d in zone %d failed",
+							block, zone_num);
+		goto error;
+	}
+
+	if (erase.state == MTD_ERASE_PENDING)
+		wait_for_completion(&ftl->erase_completion);
+
+	if (erase.state != MTD_ERASE_DONE) {
+		sm_printk("erase of block %d in zone %d failed after wait",
+			block, zone_num);
+		goto error;
+	}
+
+	if (put_free)
+		kfifo_in(&zone->free_sectors,
+			(const unsigned char *)&block, sizeof(block));
+
+	return 0;
+error:
+	sm_mark_block_bad(ftl, zone_num, block);
+	return -EIO;
+}
+
+static void sm_erase_callback(struct erase_info *self)
+{
+	struct sm_ftl *ftl = (struct sm_ftl *)self->priv;
+	complete(&ftl->erase_completion);
+}
+
+/* Throughtly test that block is valid. */
+static int sm_check_block(struct sm_ftl *ftl, int zone, int block)
+{
+	int boffset;
+	struct sm_oob oob;
+	int lbas[] = { -3, 0, 0, 0 };
+	int i = 0;
+	int test_lba;
+
+
+	/* First just check that block doesn't look fishy */
+	/* Only blocks that are valid or are sliced in two parts, are
+		accepted */
+	for (boffset = 0; boffset < ftl->block_size;
+					boffset += SM_SECTOR_SIZE) {
+
+		/* This shoudn't happen anyway */
+		if (sm_read_sector(ftl, zone, block, boffset, NULL, &oob))
+			return -2;
+
+		test_lba = sm_read_lba(&oob);
+
+		if (lbas[i] != test_lba)
+			lbas[++i] = test_lba;
+
+		/* If we found three different LBAs, something is fishy */
+		if (i == 3)
+			return -EIO;
+	}
+
+	/* If the block is sliced (partialy erased usually) erase it */
+	if (i == 2) {
+		sm_erase_block(ftl, zone, block, 1);
+		return 1;
+	}
+
+	return 0;
+}
+
+/* ----------------- media scanning --------------------------------- */
+static const struct chs_entry chs_table[] = {
+	{ 1,    125,  4,  4  },
+	{ 2,    125,  4,  8  },
+	{ 4,    250,  4,  8  },
+	{ 8,    250,  4,  16 },
+	{ 16,   500,  4,  16 },
+	{ 32,   500,  8,  16 },
+	{ 64,   500,  8,  32 },
+	{ 128,  500,  16, 32 },
+	{ 256,  1000, 16, 32 },
+	{ 512,  1015, 32, 63 },
+	{ 1024, 985,  33, 63 },
+	{ 2048, 985,  33, 63 },
+	{ 0 },
+};
+
+
+static const uint8_t cis_signature[] = {
+	0x01, 0x03, 0xD9, 0x01, 0xFF, 0x18, 0x02, 0xDF, 0x01, 0x20
+};
+/* Find out media parameters.
+ * This ideally has to be based on nand id, but for now device size is enough */
+int sm_get_media_info(struct sm_ftl *ftl, struct mtd_info *mtd)
+{
+	int i;
+	int size_in_megs = mtd->size / (1024 * 1024);
+
+	ftl->readonly = mtd->type == MTD_ROM;
+
+	/* Manual settings for very old devices */
+	ftl->zone_count = 1;
+	ftl->smallpagenand = 0;
+
+	switch (size_in_megs) {
+	case 1:
+		/* 1 MiB flash/rom SmartMedia card (256 byte pages)*/
+		ftl->zone_size = 256;
+		ftl->max_lba = 250;
+		ftl->block_size = 8 * SM_SECTOR_SIZE;
+		ftl->smallpagenand = 1;
+
+		break;
+	case 2:
+		/* 2 MiB flash SmartMedia (256 byte pages)*/
+		if (mtd->writesize == SM_SMALL_PAGE) {
+			ftl->zone_size = 512;
+			ftl->max_lba = 500;
+			ftl->block_size = 8 * SM_SECTOR_SIZE;
+			ftl->smallpagenand = 1;
+		/* 2 MiB rom SmartMedia */
+		} else {
+
+			if (!ftl->readonly)
+				return -ENODEV;
+
+			ftl->zone_size = 256;
+			ftl->max_lba = 250;
+			ftl->block_size = 16 * SM_SECTOR_SIZE;
+		}
+		break;
+	case 4:
+		/* 4 MiB flash/rom SmartMedia device */
+		ftl->zone_size = 512;
+		ftl->max_lba = 500;
+		ftl->block_size = 16 * SM_SECTOR_SIZE;
+		break;
+	case 8:
+		/* 8 MiB flash/rom SmartMedia device */
+		ftl->zone_size = 1024;
+		ftl->max_lba = 1000;
+		ftl->block_size = 16 * SM_SECTOR_SIZE;
+	}
+
+	/* Minimum xD size is 16MiB. Also, all xD cards have standard zone
+	   sizes. SmartMedia cards exist up to 128 MiB and have same layout*/
+	if (size_in_megs >= 16) {
+		ftl->zone_count = size_in_megs / 16;
+		ftl->zone_size = 1024;
+		ftl->max_lba = 1000;
+		ftl->block_size = 32 * SM_SECTOR_SIZE;
+	}
+
+	/* Test for proper write,erase and oob sizes */
+	if (mtd->erasesize > ftl->block_size)
+		return -ENODEV;
+
+	if (mtd->writesize > SM_SECTOR_SIZE)
+		return -ENODEV;
+
+	if (ftl->smallpagenand && mtd->oobsize < SM_SMALL_OOB_SIZE)
+		return -ENODEV;
+
+	if (!ftl->smallpagenand && mtd->oobsize < SM_OOB_SIZE)
+		return -ENODEV;
+
+	/* We use these functions for IO */
+	if (!mtd->read_oob || !mtd->write_oob)
+		return -ENODEV;
+
+	/* Find geometry information */
+	for (i = 0 ; i < ARRAY_SIZE(chs_table) ; i++) {
+		if (chs_table[i].size == size_in_megs) {
+			ftl->cylinders = chs_table[i].cyl;
+			ftl->heads = chs_table[i].head;
+			ftl->sectors = chs_table[i].sec;
+			return 0;
+		}
+	}
+
+	sm_printk("media has unknown size : %dMiB", size_in_megs);
+	ftl->cylinders = 985;
+	ftl->heads =  33;
+	ftl->sectors = 63;
+	return 0;
+}
+
+/* Validate the CIS */
+static int sm_read_cis(struct sm_ftl *ftl)
+{
+	struct sm_oob oob;
+
+	if (sm_read_sector(ftl,
+		0, ftl->cis_block, ftl->cis_boffset, ftl->cis_buffer, &oob))
+			return -EIO;
+
+	if (!sm_sector_valid(&oob) || !sm_block_valid(&oob))
+		return -EIO;
+
+	if (!memcmp(ftl->cis_buffer + ftl->cis_page_offset,
+			cis_signature, sizeof(cis_signature))) {
+		return 0;
+	}
+
+	return -EIO;
+}
+
+/* Scan the media for the CIS */
+static int sm_find_cis(struct sm_ftl *ftl)
+{
+	struct sm_oob oob;
+	int block, boffset;
+	int block_found = 0;
+	int cis_found = 0;
+
+	/* Search for first valid block */
+	for (block = 0 ; block < ftl->zone_size - ftl->max_lba ; block++) {
+
+		if (sm_read_sector(ftl, 0, block, 0, NULL, &oob))
+			continue;
+
+		if (!sm_block_valid(&oob))
+			continue;
+		block_found = 1;
+		break;
+	}
+
+	if (!block_found)
+		return -EIO;
+
+	/* Search for first valid sector in this block */
+	for (boffset = 0 ; boffset < ftl->block_size;
+						boffset += SM_SECTOR_SIZE) {
+
+		if (sm_read_sector(ftl, 0, block, boffset, NULL, &oob))
+			continue;
+
+		if (!sm_sector_valid(&oob))
+			continue;
+		break;
+	}
+
+	if (boffset == ftl->block_size)
+		return -EIO;
+
+	ftl->cis_block = block;
+	ftl->cis_boffset = boffset;
+	ftl->cis_page_offset = 0;
+
+	cis_found = !sm_read_cis(ftl);
+
+	if (!cis_found) {
+		ftl->cis_page_offset = SM_SMALL_PAGE;
+		cis_found = !sm_read_cis(ftl);
+	}
+
+	if (cis_found) {
+		dbg("CIS block found at offset %x",
+			block * ftl->block_size +
+				boffset + ftl->cis_page_offset);
+		return 0;
+	}
+	return -EIO;
+}
+
+/* Basic test to determine if underlying mtd device if functional */
+static int sm_recheck_media(struct sm_ftl *ftl)
+{
+	if (sm_read_cis(ftl)) {
+
+		if (!ftl->unstable) {
+			sm_printk("media unstable, not allowing writes");
+			ftl->unstable = 1;
+		}
+		return -EIO;
+	}
+	return 0;
+}
+
+/* Initialize a FTL zone */
+static int sm_init_zone(struct sm_ftl *ftl, int zone_num)
+{
+	struct ftl_zone *zone = &ftl->zones[zone_num];
+	struct sm_oob oob;
+	uint16_t block;
+	int lba;
+	int i = 0;
+
+	dbg("initializing zone %d", zone_num);
+
+	/* Allocate memory for FTL table */
+	zone->lba_to_phys_table = kmalloc(ftl->max_lba * 2, GFP_KERNEL);
+
+	if (!zone->lba_to_phys_table)
+		return -ENOMEM;
+	memset(zone->lba_to_phys_table, -1, ftl->max_lba * 2);
+
+
+	/* Allocate memory for free sectors FIFO */
+	if (kfifo_alloc(&zone->free_sectors, ftl->zone_size * 2, GFP_KERNEL)) {
+		kfree(zone->lba_to_phys_table);
+		return -ENOMEM;
+	}
+
+	/* Now scan the zone */
+	for (block = 0 ; block < ftl->zone_size ; block++) {
+
+		/* Skip blocks till the CIS (including) */
+		if (zone_num == 0 && block <= ftl->cis_block)
+			continue;
+
+		/* Read the oob of first sector */
+		if (sm_read_sector(ftl, zone_num, block, 0, NULL, &oob))
+			return -EIO;
+
+		/* Test to see if block is erased. It is enough to test
+			first sector, because erase happens in one shot */
+		if (sm_block_erased(&oob)) {
+			kfifo_in(&zone->free_sectors,
+				(unsigned char *)&block, 2);
+			continue;
+		}
+
+		/* If block is marked as bad, skip it */
+		/* This assumes we can trust first sector*/
+		/* However the way the block valid status is defined, ensures
+			very low probability of failure here */
+		if (!sm_block_valid(&oob)) {
+			dbg("PH %04d <-> <marked bad>", block);
+			continue;
+		}
+
+
+		lba = sm_read_lba(&oob);
+
+		/* Invalid LBA means that block is damaged. */
+		/* We can try to erase it, or mark it as bad, but
+			lets leave that to recovery application */
+		if (lba == -2 || lba >= ftl->max_lba) {
+			dbg("PH %04d <-> LBA %04d(bad)", block, lba);
+			continue;
+		}
+
+
+		/* If there is no collision,
+			just put the sector in the FTL table */
+		if (zone->lba_to_phys_table[lba] < 0) {
+			dbg_verbose("PH %04d <-> LBA %04d", block, lba);
+			zone->lba_to_phys_table[lba] = block;
+			continue;
+		}
+
+		sm_printk("collision"
+			" of LBA %d between blocks %d and %d in zone %d",
+			lba, zone->lba_to_phys_table[lba], block, zone_num);
+
+		/* Test that this block is valid*/
+		if (sm_check_block(ftl, zone_num, block))
+			continue;
+
+		/* Test now the old block */
+		if (sm_check_block(ftl, zone_num,
+					zone->lba_to_phys_table[lba])) {
+			zone->lba_to_phys_table[lba] = block;
+			continue;
+		}
+
+		/* If both blocks are valid and share same LBA, it means that
+			they hold different versions of same data. It not
+			known which is more recent, thus just erase one of them
+		*/
+		sm_printk("both blocks are valid, erasing the later");
+		sm_erase_block(ftl, zone_num, block, 1);
+	}
+
+	dbg("zone initialized");
+	zone->initialized = 1;
+
+	/* No free sectors, means that the zone is heavily damaged, write won't
+		work, but it can still can be (partially) read */
+	if (!kfifo_len(&zone->free_sectors)) {
+		sm_printk("no free blocks in zone %d", zone_num);
+		return 0;
+	}
+
+	/* Randomize first block we write to */
+	get_random_bytes(&i, 2);
+	i %= (kfifo_len(&zone->free_sectors) / 2);
+
+	while (i--) {
+		kfifo_out(&zone->free_sectors, (unsigned char *)&block, 2);
+		kfifo_in(&zone->free_sectors, (const unsigned char *)&block, 2);
+	}
+	return 0;
+}
+
+/* Get and automaticly initialize an FTL mapping for one zone */
+struct ftl_zone *sm_get_zone(struct sm_ftl *ftl, int zone_num)
+{
+	struct ftl_zone *zone;
+	int error;
+
+	BUG_ON(zone_num >= ftl->zone_count);
+	zone = &ftl->zones[zone_num];
+
+	if (!zone->initialized) {
+		error = sm_init_zone(ftl, zone_num);
+
+		if (error)
+			return ERR_PTR(error);
+	}
+	return zone;
+}
+
+
+/* ----------------- cache handling ------------------------------------------*/
+
+/* Initialize the one block cache */
+void sm_cache_init(struct sm_ftl *ftl)
+{
+	ftl->cache_data_invalid_bitmap = 0xFFFFFFFF;
+	ftl->cache_clean = 1;
+	ftl->cache_zone = -1;
+	ftl->cache_block = -1;
+	/*memset(ftl->cache_data, 0xAA, ftl->block_size);*/
+}
+
+/* Put sector in one block cache */
+void sm_cache_put(struct sm_ftl *ftl, char *buffer, int boffset)
+{
+	memcpy(ftl->cache_data + boffset, buffer, SM_SECTOR_SIZE);
+	clear_bit(boffset / SM_SECTOR_SIZE, &ftl->cache_data_invalid_bitmap);
+	ftl->cache_clean = 0;
+}
+
+/* Read a sector from the cache */
+int sm_cache_get(struct sm_ftl *ftl, char *buffer, int boffset)
+{
+	if (test_bit(boffset / SM_SECTOR_SIZE,
+		&ftl->cache_data_invalid_bitmap))
+			return -1;
+
+	memcpy(buffer, ftl->cache_data + boffset, SM_SECTOR_SIZE);
+	return 0;
+}
+
+/* Write the cache to hardware */
+int sm_cache_flush(struct sm_ftl *ftl)
+{
+	struct ftl_zone *zone;
+
+	int sector_num;
+	uint16_t write_sector;
+	int zone_num = ftl->cache_zone;
+	int block_num;
+
+	if (ftl->cache_clean)
+		return 0;
+
+	if (ftl->unstable)
+		return -EIO;
+
+	BUG_ON(zone_num < 0);
+	zone = &ftl->zones[zone_num];
+	block_num = zone->lba_to_phys_table[ftl->cache_block];
+
+
+	/* Try to read all unread areas of the cache block*/
+	for_each_bit(sector_num, &ftl->cache_data_invalid_bitmap,
+		ftl->block_size / SM_SECTOR_SIZE) {
+
+		if (!sm_read_sector(ftl,
+			zone_num, block_num, sector_num * SM_SECTOR_SIZE,
+			ftl->cache_data + sector_num * SM_SECTOR_SIZE, NULL))
+				clear_bit(sector_num,
+					&ftl->cache_data_invalid_bitmap);
+	}
+restart:
+
+	if (ftl->unstable)
+		return -EIO;
+	/* No spare blocks */
+	/* We could still continue by erasing the current block,
+		but for such worn out media it doesn't worth the trouble,
+			and the dangers */
+
+	if (!kfifo_len(&zone->free_sectors)) {
+		dbg("no free sectors for write!");
+		return -EIO;
+	}
+
+	kfifo_out(&zone->free_sectors, (unsigned char *)&write_sector, 2);
+
+	if (sm_write_block(ftl, ftl->cache_data, zone_num, write_sector,
+		ftl->cache_block, ftl->cache_data_invalid_bitmap))
+			goto restart;
+
+	/* Update the FTL table */
+	zone->lba_to_phys_table[ftl->cache_block] = write_sector;
+
+	/* Write succesfull, so erase and free the old block */
+	if (block_num > 0)
+		sm_erase_block(ftl, zone_num, block_num, 1);
+
+	sm_cache_init(ftl);
+	return 0;
+}
+
+
+/* flush timer, runs a second after last write */
+static void sm_cache_flush_timer(unsigned long data)
+{
+	struct sm_ftl *ftl = (struct sm_ftl *)data;
+	queue_work(cache_flush_workqueue, &ftl->flush_work);
+}
+
+/* cache flush work, kicked by timer */
+static void sm_cache_flush_work(struct work_struct *work)
+{
+	struct sm_ftl *ftl = container_of(work, struct sm_ftl, flush_work);
+	mutex_lock(&ftl->mutex);
+	sm_cache_flush(ftl);
+	mutex_unlock(&ftl->mutex);
+	return;
+}
+
+/* ---------------- outside interface -------------------------------------- */
+
+/* outside interface: read a sector */
+static int sm_read(struct mtd_blktrans_dev *dev,
+		   unsigned long sect_no, char *buf)
+{
+	struct sm_ftl *ftl = dev->priv;
+	struct ftl_zone *zone;
+	int error = 0, in_cache = 0;
+	int zone_num, block, boffset;
+
+	sm_break_offset(ftl, sect_no << 9, &zone_num, &block, &boffset);
+	mutex_lock(&ftl->mutex);
+
+
+	zone = sm_get_zone(ftl, zone_num);
+	if (IS_ERR(zone)) {
+		error = PTR_ERR(zone);
+		goto unlock;
+	}
+
+	/* Have to look at cache first */
+	if (ftl->cache_zone == zone_num && ftl->cache_block == block) {
+		in_cache = 1;
+		if (!sm_cache_get(ftl, buf, boffset))
+			goto unlock;
+	}
+
+	/* Translate the block and return if doesn't exist in the table */
+	block = zone->lba_to_phys_table[block];
+
+	if (block == -1) {
+		memset(buf, 0xFF, SM_SECTOR_SIZE);
+		goto unlock;
+	}
+
+	if (sm_read_sector(ftl, zone_num, block, boffset, buf, NULL)) {
+		error = -EIO;
+		goto unlock;
+	}
+
+	if (in_cache)
+		sm_cache_put(ftl, buf, boffset);
+unlock:
+	mutex_unlock(&ftl->mutex);
+	return error;
+}
+
+/* outside interface: write a sector */
+static int sm_write(struct mtd_blktrans_dev *dev,
+				unsigned long sec_no, char *buf)
+{
+	struct sm_ftl *ftl = dev->priv;
+	struct ftl_zone *zone;
+	int error, zone_num, block, boffset;
+
+	BUG_ON(ftl->readonly);
+	sm_break_offset(ftl, sec_no << 9, &zone_num, &block, &boffset);
+
+	/* No need in flush thread running now */
+	del_timer(&ftl->timer);
+	mutex_lock(&ftl->mutex);
+
+	zone = sm_get_zone(ftl, zone_num);
+	if (IS_ERR(zone)) {
+		error = PTR_ERR(zone);
+		goto unlock;
+	}
+
+	/* If entry is not in cache, flush it */
+	if (ftl->cache_block != block || ftl->cache_zone != zone_num) {
+
+		error = sm_cache_flush(ftl);
+		if (error)
+			goto unlock;
+
+		ftl->cache_block = block;
+		ftl->cache_zone = zone_num;
+	}
+
+	sm_cache_put(ftl, buf, boffset);
+unlock:
+	mod_timer(&ftl->timer, jiffies + msecs_to_jiffies(cache_timeout));
+	mutex_unlock(&ftl->mutex);
+	return error;
+}
+
+/* outside interface: flush everything */
+static int sm_flush(struct mtd_blktrans_dev *dev)
+{
+	struct sm_ftl *ftl = dev->priv;
+	int retval;
+
+	mutex_lock(&ftl->mutex);
+	retval =  sm_cache_flush(ftl);
+	mutex_unlock(&ftl->mutex);
+	return retval;
+}
+
+/* outside interface: device is released */
+static int sm_release(struct mtd_blktrans_dev *dev)
+{
+	struct sm_ftl *ftl = dev->priv;
+
+	mutex_lock(&ftl->mutex);
+	del_timer_sync(&ftl->timer);
+	cancel_work_sync(&ftl->flush_work);
+	sm_cache_flush(ftl);
+	mutex_unlock(&ftl->mutex);
+	return 0;
+}
+
+/* outside interface: get geometry */
+static int sm_getgeo(struct mtd_blktrans_dev *dev, struct hd_geometry *geo)
+{
+	struct sm_ftl *ftl = dev->priv;
+	geo->heads = ftl->heads;
+	geo->sectors = ftl->sectors;
+	geo->cylinders = ftl->cylinders;
+	return 0;
+}
+
+/* external interface: main initialization function */
+static void sm_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
+{
+	struct mtd_blktrans_dev *trans;
+	struct sm_ftl *ftl;
+
+	/* Allocate & initialize our private structure */
+	ftl = kzalloc(sizeof(struct sm_ftl), GFP_KERNEL);
+	if (!ftl)
+		goto error1;
+
+
+	mutex_init(&ftl->mutex);
+	setup_timer(&ftl->timer, sm_cache_flush_timer, (unsigned long)ftl);
+	INIT_WORK(&ftl->flush_work, sm_cache_flush_work);
+	init_completion(&ftl->erase_completion);
+
+	/* Read media information */
+	if (sm_get_media_info(ftl, mtd)) {
+		dbg("found unsupported mtd device, aborting");
+		goto error2;
+	}
+
+
+	/* Allocate temporary CIS buffer for read retry support */
+	ftl->cis_buffer = kzalloc(SM_SECTOR_SIZE, GFP_KERNEL);
+	if (!ftl->cis_buffer)
+		goto error2;
+
+	/* Allocate zone array, it will be initialized on demand */
+	ftl->zones = kzalloc(sizeof(struct ftl_zone) * ftl->zone_count,
+								GFP_KERNEL);
+	if (!ftl->zones)
+		goto error3;
+
+	/* Allocate the cache*/
+	ftl->cache_data = kzalloc(ftl->block_size, GFP_KERNEL);
+
+	if (!ftl->cache_data)
+		goto error4;
+
+	sm_cache_init(ftl);
+
+
+	/* Allocate upper layer structure and initialize it */
+	trans = kzalloc(sizeof(struct mtd_blktrans_dev), GFP_KERNEL);
+	if (!trans)
+		goto error5;
+
+	ftl->trans = trans;
+	trans->priv = ftl;
+
+	trans->tr = tr;
+	trans->mtd = mtd;
+	trans->devnum = -1;
+	trans->size = (ftl->block_size * ftl->max_lba * ftl->zone_count) >> 9;
+	trans->readonly = ftl->readonly;
+
+	if (sm_find_cis(ftl)) {
+		dbg("CIS not found on mtd device, aborting");
+		goto error6;
+	}
+
+	ftl->disk_attributes = sm_create_sysfs_attributes(ftl);
+	trans->disk_attributes = ftl->disk_attributes;
+
+	sm_printk("Found %d MiB xD/SmartMedia FTL on mtd%d",
+		(int)(mtd->size / (1024 * 1024)), mtd->index);
+
+	dbg("FTL layout:");
+	dbg("%d zone(s), each consists of %d blocks (+%d spares)",
+		ftl->zone_count, ftl->max_lba,
+		ftl->zone_size - ftl->max_lba);
+	dbg("each block consists of %d bytes",
+		ftl->block_size);
+
+
+	/* Register device*/
+	if (add_mtd_blktrans_dev(trans)) {
+		dbg("error in mtdblktrans layer");
+		goto error6;
+	}
+	return;
+error6:
+	kfree(trans);
+error5:
+	kfree(ftl->cache_data);
+error4:
+	kfree(ftl->zones);
+error3:
+	kfree(ftl->cis_buffer);
+error2:
+	kfree(ftl);
+error1:
+	return;
+}
+
+/* main interface: device {surprise,} removal */
+static void sm_remove_dev(struct mtd_blktrans_dev *dev)
+{
+	struct sm_ftl *ftl = dev->priv;
+	int i;
+
+	del_mtd_blktrans_dev(dev);
+	ftl->trans = NULL;
+
+	for (i = 0 ; i < ftl->zone_count; i++) {
+
+		if (!ftl->zones[i].initialized)
+			continue;
+
+		kfree(ftl->zones[i].lba_to_phys_table);
+		kfifo_free(&ftl->zones[i].free_sectors);
+	}
+
+	sm_delete_sysfs_attributes(ftl);
+	kfree(ftl->cis_buffer);
+	kfree(ftl->zones);
+	kfree(ftl->cache_data);
+	kfree(ftl);
+}
+
+static struct mtd_blktrans_ops sm_ftl_ops = {
+	.name		= "smblk",
+	.major		= -1,
+	.part_bits	= SM_FTL_PARTN_BITS,
+	.blksize	= SM_SECTOR_SIZE,
+	.getgeo		= sm_getgeo,
+
+	.add_mtd	= sm_add_mtd,
+	.remove_dev	= sm_remove_dev,
+
+	.readsect	= sm_read,
+	.writesect	= sm_write,
+
+	.flush		= sm_flush,
+	.release	= sm_release,
+
+	.owner		= THIS_MODULE,
+};
+
+static __init int sm_module_init(void)
+{
+	int error = 0;
+	cache_flush_workqueue = create_freezeable_workqueue("smflush");
+
+	if (IS_ERR(cache_flush_workqueue))
+		return PTR_ERR(cache_flush_workqueue);
+
+	error = register_mtd_blktrans(&sm_ftl_ops);
+	if (error)
+		destroy_workqueue(cache_flush_workqueue);
+	return error;
+
+}
+
+static void __exit sm_module_exit(void)
+{
+	destroy_workqueue(cache_flush_workqueue);
+	deregister_mtd_blktrans(&sm_ftl_ops);
+}
+
+module_init(sm_module_init);
+module_exit(sm_module_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Maxim Levitsky <maximlevitsky@gmail.com>");
+MODULE_DESCRIPTION("Smartmedia/xD mtd translation layer");
diff --git a/drivers/mtd/sm_ftl.h b/drivers/mtd/sm_ftl.h
new file mode 100644
index 00000000000..e30e48e7f63
--- /dev/null
+++ b/drivers/mtd/sm_ftl.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright © 2009 - Maxim Levitsky
+ * SmartMedia/xD translation layer
+ *
+ * Based loosly on ssfdc.c which is
+ *  © 2005 Eptar srl
+ *  Author: Claudio Lanconelli <lanconelli.claudio@eptar.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/mtd/blktrans.h>
+#include <linux/kfifo.h>
+#include <linux/sched.h>
+#include <linux/completion.h>
+#include <linux/mtd/mtd.h>
+
+
+
+struct ftl_zone {
+	int initialized;
+	int16_t *lba_to_phys_table;		/* LBA to physical table */
+	struct kfifo free_sectors;	/* queue of free sectors */
+};
+
+struct sm_ftl {
+	struct mtd_blktrans_dev *trans;
+
+	struct mutex mutex;		/* protects the structure */
+	struct ftl_zone *zones;		/* FTL tables for each zone */
+
+	/* Media information */
+	int block_size;			/* block size in bytes */
+	int zone_size;			/* zone size in blocks */
+	int zone_count;			/* number of zones */
+	int max_lba;			/* maximum lba in a zone */
+	int smallpagenand;		/* 256 bytes/page nand */
+	int readonly;			/* is FS readonly */
+	int unstable;
+	int cis_block;			/* CIS block location */
+	int cis_boffset;		/* CIS offset in the block */
+	int cis_page_offset;		/* CIS offset in the page */
+	void *cis_buffer;		/* tmp buffer for cis reads */
+
+	/* Cache */
+	int cache_block;		/* block number of cached block */
+	int cache_zone;			/* zone of cached block */
+	unsigned char *cache_data;	/* cached block data */
+	long unsigned int cache_data_invalid_bitmap;
+	int cache_clean;
+	struct work_struct flush_work;
+	struct timer_list timer;
+
+	/* Async erase stuff */
+	struct completion erase_completion;
+
+	/* Geometry stuff */
+	int heads;
+	int sectors;
+	int cylinders;
+
+	struct attribute_group *disk_attributes;
+};
+
+struct chs_entry {
+	unsigned long size;
+	unsigned short cyl;
+	unsigned char head;
+	unsigned char sec;
+};
+
+
+#define SM_FTL_PARTN_BITS	3
+
+#define sm_printk(format, ...) \
+	printk(KERN_WARNING "sm_ftl" ": " format "\n", ## __VA_ARGS__)
+
+#define dbg(format, ...) \
+	if (debug) \
+		printk(KERN_DEBUG "sm_ftl" ": " format "\n", ## __VA_ARGS__)
+
+#define dbg_verbose(format, ...) \
+	if (debug > 1) \
+		printk(KERN_DEBUG "sm_ftl" ": " format "\n", ## __VA_ARGS__)
+
+
+static void sm_erase_callback(struct erase_info *self);
+static int sm_erase_block(struct sm_ftl *ftl, int zone_num, uint16_t block,
+								int put_free);
+static void sm_mark_block_bad(struct sm_ftl *ftl, int zone_num, int block);
+
+static int sm_recheck_media(struct sm_ftl *ftl);

From 67e054e919248fa1db93de727fb9ad49eb700642 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 22 Feb 2010 20:39:42 +0200
Subject: [PATCH 0070/3638] mtd: nand: Add driver for Ricoh xD/SmartMedia
 reader

This adds a driver for Ricoh R5C852 xD card reader.

This reader is a part of larger mulifunction chip
and found at least in R5C832

Driver is complete, but bewere of the fact that some
(probably only type M) xD cards are 'fake' which means that
they have an on board CPU and expose emulated nand command set

These cards don't even store the  oob area on the flash,
but generate it on the fly from something else.

Thus they demand to have proper values written in the oob area,
and therefore only useful with SmartMedia FTL.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 MAINTAINERS               |    6 +
 drivers/mtd/nand/Kconfig  |   11 +
 drivers/mtd/nand/Makefile |    1 +
 drivers/mtd/nand/r852.c   | 1117 +++++++++++++++++++++++++++++++++++++
 drivers/mtd/nand/r852.h   |  163 ++++++
 5 files changed, 1298 insertions(+)
 create mode 100644 drivers/mtd/nand/r852.c
 create mode 100644 drivers/mtd/nand/r852.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 2533fc45a44..ecf4148ec2b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4567,6 +4567,12 @@ S:	Maintained
 F:	Documentation/rfkill.txt
 F:	net/rfkill/
 
+RICOH SMARTMEDIA/XD DRIVER
+M:	Maxim Levitsky <maximlevitsky@gmail.com>
+S:	Maintained
+F:	drivers/mtd/nand/r822.c
+F:	drivers/mtd/nand/r822.h
+
 RISCOM8 DRIVER
 S:	Orphan
 F:	Documentation/serial/riscom8.txt
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 7a67218e86f..6701a00b7a9 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -102,6 +102,17 @@ config MTD_NAND_OMAP_PREFETCH_DMA
 config MTD_NAND_IDS
 	tristate
 
+config MTD_NAND_RICOH
+	tristate "Ricoh xD card reader"
+	default n
+	select MTD_SM_COMMON
+	help
+	  Enable support for Ricoh R5C852 xD card reader
+	  You also need to enable ether
+	  NAND SSFDC (SmartMedia) read only translation layer' or new
+	  expermental, readwrite
+	  'SmartMedia/xD new translation layer'
+
 config MTD_NAND_AU1550
 	tristate "Au1550/1200 NAND support"
 	depends on SOC_AU1200 || SOC_AU1550
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index f39d0b6ed42..5fbd1f83afb 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -43,5 +43,6 @@ obj-$(CONFIG_MTD_NAND_NUC900)		+= nuc900_nand.o
 obj-$(CONFIG_MTD_NAND_NOMADIK)		+= nomadik_nand.o
 obj-$(CONFIG_MTD_NAND_BCM_UMI)		+= bcm_umi_nand.o nand_bcm_umi.o
 obj-$(CONFIG_MTD_NAND_MPC5121_NFC)	+= mpc5121_nfc.o
+obj-$(CONFIG_MTD_NAND_RICOH)		+= r852.o
 
 nand-objs := nand_base.o nand_bbt.o
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
new file mode 100644
index 00000000000..9307a88e522
--- /dev/null
+++ b/drivers/mtd/nand/r852.c
@@ -0,0 +1,1117 @@
+/*
+ * Copyright © 2009 - Maxim Levitsky
+ * driver for Ricoh xD readers
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/pci_ids.h>
+#include <asm/byteorder.h>
+#include <linux/sched.h>
+#include "sm_common.h"
+#include "r852.h"
+
+
+static int enable_dma = 1;
+module_param(enable_dma, bool, S_IRUGO);
+MODULE_PARM_DESC(enable_dma, "Enable usage of the DMA (default)");
+
+static int debug;
+module_param(debug, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug level (0-2)");
+
+/* read register */
+static inline uint8_t r852_read_reg(struct r852_device *dev, int address)
+{
+	uint8_t reg = readb(dev->mmio + address);
+	return reg;
+}
+
+/* write register */
+static inline void r852_write_reg(struct r852_device *dev,
+						int address, uint8_t value)
+{
+	writeb(value, dev->mmio + address);
+	mmiowb();
+}
+
+
+/* read dword sized register */
+static inline uint32_t r852_read_reg_dword(struct r852_device *dev, int address)
+{
+	uint32_t reg = le32_to_cpu(readl(dev->mmio + address));
+	return reg;
+}
+
+/* write dword sized register */
+static inline void r852_write_reg_dword(struct r852_device *dev,
+							int address, uint32_t value)
+{
+	writel(cpu_to_le32(value), dev->mmio + address);
+	mmiowb();
+}
+
+/* returns pointer to our private structure */
+static inline struct r852_device *r852_get_dev(struct mtd_info *mtd)
+{
+	struct nand_chip *chip = (struct nand_chip *)mtd->priv;
+	return (struct r852_device *)chip->priv;
+}
+
+
+/* check if controller supports dma */
+static void r852_dma_test(struct r852_device *dev)
+{
+	dev->dma_usable = (r852_read_reg(dev, R852_DMA_CAP) &
+		(R852_DMA1 | R852_DMA2)) == (R852_DMA1 | R852_DMA2);
+
+	if (!dev->dma_usable)
+		message("Non dma capable device detected, dma disabled");
+
+	if (!enable_dma) {
+		message("disabling dma on user request");
+		dev->dma_usable = 0;
+	}
+}
+
+/*
+ * Enable dma. Enables ether first or second stage of the DMA,
+ * Expects dev->dma_dir and dev->dma_state be set
+ */
+static void r852_dma_enable(struct r852_device *dev)
+{
+	uint8_t dma_reg, dma_irq_reg;
+
+	/* Set up dma settings */
+	dma_reg = r852_read_reg_dword(dev, R852_DMA_SETTINGS);
+	dma_reg &= ~(R852_DMA_READ | R852_DMA_INTERNAL | R852_DMA_MEMORY);
+
+	if (dev->dma_dir)
+		dma_reg |= R852_DMA_READ;
+
+	if (dev->dma_state == DMA_INTERNAL)
+		dma_reg |= R852_DMA_INTERNAL;
+	else {
+		dma_reg |= R852_DMA_MEMORY;
+		r852_write_reg_dword(dev, R852_DMA_ADDR,
+			cpu_to_le32(dev->phys_dma_addr));
+	}
+
+	r852_write_reg_dword(dev, R852_DMA_SETTINGS, dma_reg);
+
+	/* Set dma irq */
+	dma_irq_reg = r852_read_reg_dword(dev, R852_DMA_IRQ_ENABLE);
+	r852_write_reg_dword(dev, R852_DMA_IRQ_ENABLE,
+		dma_irq_reg |
+		R852_DMA_IRQ_INTERNAL |
+		R852_DMA_IRQ_ERROR |
+		R852_DMA_IRQ_MEMORY);
+}
+
+/*
+ * Disable dma, called from the interrupt handler, which specifies
+ * success of the operation via 'error' argument
+ */
+static void r852_dma_done(struct r852_device *dev, int error)
+{
+	WARN_ON(dev->dma_stage == 0);
+
+	r852_write_reg_dword(dev, R852_DMA_IRQ_STA,
+			r852_read_reg_dword(dev, R852_DMA_IRQ_STA));
+
+	r852_write_reg_dword(dev, R852_DMA_SETTINGS, 0);
+	r852_write_reg_dword(dev, R852_DMA_IRQ_ENABLE, 0);
+
+	dev->dma_error = error;
+	dev->dma_stage = 0;
+
+	if (dev->phys_dma_addr && dev->phys_dma_addr != dev->phys_bounce_buffer)
+		pci_unmap_single(dev->pci_dev, dev->phys_dma_addr, R852_DMA_LEN,
+			dev->dma_dir ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE);
+	complete(&dev->dma_done);
+}
+
+/*
+ * Wait, till dma is done, which includes both phases of it
+ */
+static int r852_dma_wait(struct r852_device *dev)
+{
+	long timeout = wait_for_completion_timeout(&dev->dma_done,
+				msecs_to_jiffies(1000));
+	if (!timeout) {
+		dbg("timeout waiting for DMA interrupt");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+/*
+ * Read/Write one page using dma. Only pages can be read (512 bytes)
+*/
+static void r852_do_dma(struct r852_device *dev, uint8_t *buf, int do_read)
+{
+	int bounce = 0;
+	unsigned long flags;
+	int error;
+
+	dev->dma_error = 0;
+
+	/* Set dma direction */
+	dev->dma_dir = do_read;
+	dev->dma_stage = 1;
+
+	dbg_verbose("doing dma %s ", do_read ? "read" : "write");
+
+	/* Set intial dma state: for reading first fill on board buffer,
+	  from device, for writes first fill the buffer  from memory*/
+	dev->dma_state = do_read ? DMA_INTERNAL : DMA_MEMORY;
+
+	/* if incoming buffer is not page aligned, we should do bounce */
+	if ((unsigned long)buf & (R852_DMA_LEN-1))
+		bounce = 1;
+
+	if (!bounce) {
+		dev->phys_dma_addr = pci_map_single(dev->pci_dev, (void *)buf,
+			R852_DMA_LEN,
+			(do_read ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE));
+
+		if (dev->phys_dma_addr == DMA_ERROR_CODE)
+			bounce = 1;
+	}
+
+	if (bounce) {
+		dbg_verbose("dma: using bounce buffer");
+		dev->phys_dma_addr = dev->phys_bounce_buffer;
+		if (!do_read)
+			memcpy(dev->bounce_buffer, buf, R852_DMA_LEN);
+	}
+
+	/* Enable DMA */
+	spin_lock_irqsave(&dev->irqlock, flags);
+	r852_dma_enable(dev);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+
+	/* Wait till complete */
+	error = r852_dma_wait(dev);
+
+	if (error) {
+		r852_dma_done(dev, error);
+		return;
+	}
+
+	if (do_read && bounce)
+		memcpy((void *)buf, dev->bounce_buffer, R852_DMA_LEN);
+}
+
+/*
+ * Program data lines of the nand chip to send data to it
+ */
+void r852_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+{
+	struct r852_device *dev = r852_get_dev(mtd);
+	uint32_t reg;
+
+	/* Don't allow any access to hardware if we suspect card removal */
+	if (dev->card_unstable)
+		return;
+
+	/* Special case for whole sector read */
+	if (len == R852_DMA_LEN && dev->dma_usable) {
+		r852_do_dma(dev, (uint8_t *)buf, 0);
+		return;
+	}
+
+	/* write DWORD chinks - faster */
+	while (len) {
+		reg = buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24;
+		r852_write_reg_dword(dev, R852_DATALINE, reg);
+		buf += 4;
+		len -= 4;
+
+	}
+
+	/* write rest */
+	while (len)
+		r852_write_reg(dev, R852_DATALINE, *buf++);
+}
+
+/*
+ * Read data lines of the nand chip to retrieve data
+ */
+void r852_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
+{
+	struct r852_device *dev = r852_get_dev(mtd);
+	uint32_t reg;
+
+	if (dev->card_unstable) {
+		/* since we can't signal error here, at least, return
+			predictable buffer */
+		memset(buf, 0, len);
+		return;
+	}
+
+	/* special case for whole sector read */
+	if (len == R852_DMA_LEN && dev->dma_usable) {
+		r852_do_dma(dev, buf, 1);
+		return;
+	}
+
+	/* read in dword sized chunks */
+	while (len >= 4) {
+
+		reg = r852_read_reg_dword(dev, R852_DATALINE);
+		*buf++ = reg & 0xFF;
+		*buf++ = (reg >> 8) & 0xFF;
+		*buf++ = (reg >> 16) & 0xFF;
+		*buf++ = (reg >> 24) & 0xFF;
+		len -= 4;
+	}
+
+	/* read the reset by bytes */
+	while (len--)
+		*buf++ = r852_read_reg(dev, R852_DATALINE);
+}
+
+/*
+ * Read one byte from nand chip
+ */
+static uint8_t r852_read_byte(struct mtd_info *mtd)
+{
+	struct r852_device *dev = r852_get_dev(mtd);
+
+	/* Same problem as in r852_read_buf.... */
+	if (dev->card_unstable)
+		return 0;
+
+	return r852_read_reg(dev, R852_DATALINE);
+}
+
+
+/*
+ * Readback the buffer to verify it
+ */
+int r852_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+{
+	struct r852_device *dev = r852_get_dev(mtd);
+
+	/* We can't be sure about anything here... */
+	if (dev->card_unstable)
+		return -1;
+
+	/* This will never happen, unless you wired up a nand chip
+		with > 512 bytes page size to the reader */
+	if (len > SM_SECTOR_SIZE)
+		return 0;
+
+	r852_read_buf(mtd, dev->tmp_buffer, len);
+	return memcmp(buf, dev->tmp_buffer, len);
+}
+
+/*
+ * Control several chip lines & send commands
+ */
+void r852_cmdctl(struct mtd_info *mtd, int dat, unsigned int ctrl)
+{
+	struct r852_device *dev = r852_get_dev(mtd);
+
+	if (dev->card_unstable)
+		return;
+
+	if (ctrl & NAND_CTRL_CHANGE) {
+
+		dev->ctlreg &= ~(R852_CTL_DATA | R852_CTL_COMMAND |
+				 R852_CTL_ON | R852_CTL_CARDENABLE);
+
+		if (ctrl & NAND_ALE)
+			dev->ctlreg |= R852_CTL_DATA;
+
+		if (ctrl & NAND_CLE)
+			dev->ctlreg |= R852_CTL_COMMAND;
+
+		if (ctrl & NAND_NCE)
+			dev->ctlreg |= (R852_CTL_CARDENABLE | R852_CTL_ON);
+		else
+			dev->ctlreg &= ~R852_CTL_WRITE;
+
+		/* when write is stareted, enable write access */
+		if (dat == NAND_CMD_ERASE1)
+			dev->ctlreg |= R852_CTL_WRITE;
+
+		r852_write_reg(dev, R852_CTL, dev->ctlreg);
+	}
+
+	 /* HACK: NAND_CMD_SEQIN is called without NAND_CTRL_CHANGE, but we need
+		to set write mode */
+	if (dat == NAND_CMD_SEQIN && (dev->ctlreg & R852_CTL_COMMAND)) {
+		dev->ctlreg |= R852_CTL_WRITE;
+		r852_write_reg(dev, R852_CTL, dev->ctlreg);
+	}
+
+	if (dat != NAND_CMD_NONE)
+		r852_write_reg(dev, R852_DATALINE, dat);
+}
+
+/*
+ * Wait till card is ready.
+ * based on nand_wait, but returns errors on DMA error
+ */
+int r852_wait(struct mtd_info *mtd, struct nand_chip *chip)
+{
+	struct r852_device *dev = (struct r852_device *)chip->priv;
+
+	unsigned long timeout;
+	int status;
+
+	timeout = jiffies + (chip->state == FL_ERASING ?
+		msecs_to_jiffies(400) : msecs_to_jiffies(20));
+
+	while (time_before(jiffies, timeout))
+		if (chip->dev_ready(mtd))
+			break;
+
+	chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
+	status = (int)chip->read_byte(mtd);
+
+	/* Unfortunelly, no way to send detailed error status... */
+	if (dev->dma_error) {
+		status |= NAND_STATUS_FAIL;
+		dev->dma_error = 0;
+	}
+	return status;
+}
+
+/*
+ * Check if card is ready
+ */
+
+int r852_ready(struct mtd_info *mtd)
+{
+	struct r852_device *dev = r852_get_dev(mtd);
+	return !(r852_read_reg(dev, R852_CARD_STA) & R852_CARD_STA_BUSY);
+}
+
+
+/*
+ * Set ECC engine mode
+*/
+
+void r852_ecc_hwctl(struct mtd_info *mtd, int mode)
+{
+	struct r852_device *dev = r852_get_dev(mtd);
+
+	if (dev->card_unstable)
+		return;
+
+	switch (mode) {
+	case NAND_ECC_READ:
+	case NAND_ECC_WRITE:
+		/* enable ecc generation/check*/
+		dev->ctlreg |= R852_CTL_ECC_ENABLE;
+
+		/* flush ecc buffer */
+		r852_write_reg(dev, R852_CTL,
+			dev->ctlreg | R852_CTL_ECC_ACCESS);
+
+		r852_read_reg_dword(dev, R852_DATALINE);
+		r852_write_reg(dev, R852_CTL, dev->ctlreg);
+		return;
+
+	case NAND_ECC_READSYN:
+		/* disable ecc generation */
+		dev->ctlreg &= ~R852_CTL_ECC_ENABLE;
+		r852_write_reg(dev, R852_CTL, dev->ctlreg);
+	}
+}
+
+/*
+ * Calculate ECC, only used for writes
+ */
+
+int r852_ecc_calculate(struct mtd_info *mtd, const uint8_t *dat,
+							uint8_t *ecc_code)
+{
+	struct r852_device *dev = r852_get_dev(mtd);
+	struct sm_oob *oob = (struct sm_oob *)ecc_code;
+	uint32_t ecc1, ecc2;
+
+	if (dev->card_unstable)
+		return 0;
+
+	dev->ctlreg &= ~R852_CTL_ECC_ENABLE;
+	r852_write_reg(dev, R852_CTL, dev->ctlreg | R852_CTL_ECC_ACCESS);
+
+	ecc1 = r852_read_reg_dword(dev, R852_DATALINE);
+	ecc2 = r852_read_reg_dword(dev, R852_DATALINE);
+
+	oob->ecc1[0] = (ecc1) & 0xFF;
+	oob->ecc1[1] = (ecc1 >> 8) & 0xFF;
+	oob->ecc1[2] = (ecc1 >> 16) & 0xFF;
+
+	oob->ecc2[0] = (ecc2) & 0xFF;
+	oob->ecc2[1] = (ecc2 >> 8) & 0xFF;
+	oob->ecc2[2] = (ecc2 >> 16) & 0xFF;
+
+	r852_write_reg(dev, R852_CTL, dev->ctlreg);
+	return 0;
+}
+
+/*
+ * Correct the data using ECC, hw did almost everything for us
+ */
+
+int r852_ecc_correct(struct mtd_info *mtd, uint8_t *dat,
+				uint8_t *read_ecc, uint8_t *calc_ecc)
+{
+	uint16_t ecc_reg;
+	uint8_t ecc_status, err_byte;
+	int i, error = 0;
+
+	struct r852_device *dev = r852_get_dev(mtd);
+
+	if (dev->card_unstable)
+		return 0;
+
+	r852_write_reg(dev, R852_CTL, dev->ctlreg | R852_CTL_ECC_ACCESS);
+	ecc_reg = r852_read_reg_dword(dev, R852_DATALINE);
+	r852_write_reg(dev, R852_CTL, dev->ctlreg);
+
+	for (i = 0 ; i <= 1 ; i++) {
+
+		ecc_status = (ecc_reg >> 8) & 0xFF;
+
+		/* ecc uncorrectable error */
+		if (ecc_status & R852_ECC_FAIL) {
+			dbg("ecc: unrecoverable error, in half %d", i);
+			error = -1;
+			goto exit;
+		}
+
+		/* correctable error */
+		if (ecc_status & R852_ECC_CORRECTABLE) {
+
+			err_byte = ecc_reg & 0xFF;
+			dbg("ecc: recoverable error, "
+				"in half %d, byte %d, bit %d", i,
+				err_byte, ecc_status & R852_ECC_ERR_BIT_MSK);
+
+			dat[err_byte] ^=
+				1 << (ecc_status & R852_ECC_ERR_BIT_MSK);
+			error++;
+		}
+
+		dat += 256;
+		ecc_reg >>= 16;
+	}
+exit:
+	return error;
+}
+
+/*
+ * This is copy of nand_read_oob_std
+ * nand_read_oob_syndrome assumes we can send column address - we can't
+ */
+static int r852_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
+			     int page, int sndcmd)
+{
+	if (sndcmd) {
+		chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
+		sndcmd = 0;
+	}
+	chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
+	return sndcmd;
+}
+
+/*
+ * Start the nand engine
+ */
+
+void r852_engine_enable(struct r852_device *dev)
+{
+	if (r852_read_reg_dword(dev, R852_HW) & R852_HW_UNKNOWN) {
+		r852_write_reg(dev, R852_CTL, R852_CTL_RESET | R852_CTL_ON);
+		r852_write_reg_dword(dev, R852_HW, R852_HW_ENABLED);
+	} else {
+		r852_write_reg_dword(dev, R852_HW, R852_HW_ENABLED);
+		r852_write_reg(dev, R852_CTL, R852_CTL_RESET | R852_CTL_ON);
+	}
+	msleep(300);
+	r852_write_reg(dev, R852_CTL, 0);
+}
+
+
+/*
+ * Stop the nand engine
+ */
+
+void r852_engine_disable(struct r852_device *dev)
+{
+	r852_write_reg_dword(dev, R852_HW, 0);
+	r852_write_reg(dev, R852_CTL, R852_CTL_RESET);
+}
+
+/*
+ * Test if card is present
+ */
+
+void r852_card_update_present(struct r852_device *dev)
+{
+	unsigned long flags;
+	uint8_t reg;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+	reg = r852_read_reg(dev, R852_CARD_STA);
+	dev->card_detected = !!(reg & R852_CARD_STA_PRESENT);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+}
+
+/*
+ * Update card detection IRQ state according to current card state
+ * which is read in r852_card_update_present
+ */
+void r852_update_card_detect(struct r852_device *dev)
+{
+	int card_detect_reg = r852_read_reg(dev, R852_CARD_IRQ_ENABLE);
+
+	card_detect_reg &= ~(R852_CARD_IRQ_REMOVE | R852_CARD_IRQ_INSERT);
+	card_detect_reg |= R852_CARD_IRQ_GENABLE;
+
+	card_detect_reg |= dev->card_detected ?
+		R852_CARD_IRQ_REMOVE : R852_CARD_IRQ_INSERT;
+
+	r852_write_reg(dev, R852_CARD_IRQ_ENABLE, card_detect_reg);
+}
+
+ssize_t r852_media_type_show(struct device *sys_dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct mtd_info *mtd = container_of(sys_dev, struct mtd_info, dev);
+	struct r852_device *dev = r852_get_dev(mtd);
+	char *data = dev->sm ? "smartmedia" : "xd";
+
+	strcpy(buf, data);
+	return strlen(data);
+}
+
+DEVICE_ATTR(media_type, S_IRUGO, r852_media_type_show, NULL);
+
+
+/* Detect properties of card in slot */
+void r852_update_media_status(struct r852_device *dev)
+{
+	uint8_t reg;
+	unsigned long flags;
+	int readonly;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+	if (!dev->card_detected) {
+		message("card removed");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return ;
+	}
+
+	readonly  = r852_read_reg(dev, R852_CARD_STA) & R852_CARD_STA_RO;
+	reg = r852_read_reg(dev, R852_DMA_CAP);
+	dev->sm = (reg & (R852_DMA1 | R852_DMA2)) && (reg & R852_SMBIT);
+
+	message("detected %s %s card in slot",
+		dev->sm ? "SmartMedia" : "xD",
+		readonly ? "readonly" : "writeable");
+
+	dev->readonly = readonly;
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+}
+
+/*
+ * Register the nand device
+ * Called when the card is detected
+ */
+int r852_register_nand_device(struct r852_device *dev)
+{
+	dev->mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
+
+	if (!dev->mtd)
+		goto error1;
+
+	WARN_ON(dev->card_registred);
+
+	dev->mtd->owner = THIS_MODULE;
+	dev->mtd->priv = dev->chip;
+	dev->mtd->dev.parent = &dev->pci_dev->dev;
+
+	if (dev->readonly)
+		dev->chip->options |= NAND_ROM;
+
+	r852_engine_enable(dev);
+
+	if (sm_register_device(dev->mtd))
+		goto error2;
+
+	device_create_file(&dev->mtd->dev, &dev_attr_media_type);
+	dev->card_registred = 1;
+	return 0;
+error2:
+	kfree(dev->mtd);
+error1:
+	/* Force card redetect */
+	dev->card_detected = 0;
+	return -1;
+}
+
+/*
+ * Unregister the card
+ */
+
+void r852_unregister_nand_device(struct r852_device *dev)
+{
+	if (!dev->card_registred)
+		return;
+
+	device_remove_file(&dev->mtd->dev, &dev_attr_media_type);
+	nand_release(dev->mtd);
+	r852_engine_disable(dev);
+	dev->card_registred = 0;
+	kfree(dev->mtd);
+	dev->mtd = NULL;
+}
+
+/* Card state updater */
+void r852_card_detect_work(struct work_struct *work)
+{
+	struct r852_device *dev =
+		container_of(work, struct r852_device, card_detect_work.work);
+
+	r852_update_card_detect(dev);
+	dev->card_unstable = 0;
+
+	/* false alarm */
+	if (dev->card_detected == dev->card_registred)
+		goto exit;
+
+	/* Read media properties */
+	r852_update_media_status(dev);
+
+	/* Register the card */
+	if (dev->card_detected)
+		r852_register_nand_device(dev);
+	else
+		r852_unregister_nand_device(dev);
+exit:
+	/* Update detection logic */
+	r852_update_card_detect(dev);
+}
+
+/* Ack + disable IRQ generation */
+static void r852_disable_irqs(struct r852_device *dev)
+{
+	uint8_t reg;
+	reg = r852_read_reg(dev, R852_CARD_IRQ_ENABLE);
+	r852_write_reg(dev, R852_CARD_IRQ_ENABLE, reg & ~R852_CARD_IRQ_MASK);
+
+	reg = r852_read_reg_dword(dev, R852_DMA_IRQ_ENABLE);
+	r852_write_reg_dword(dev, R852_DMA_IRQ_ENABLE,
+					reg & ~R852_DMA_IRQ_MASK);
+
+	r852_write_reg(dev, R852_CARD_IRQ_STA, R852_CARD_IRQ_MASK);
+	r852_write_reg_dword(dev, R852_DMA_IRQ_STA, R852_DMA_IRQ_MASK);
+}
+
+/* Interrupt handler */
+static irqreturn_t r852_irq(int irq, void *data)
+{
+	struct r852_device *dev = (struct r852_device *)data;
+
+	uint8_t card_status, dma_status;
+	unsigned long flags;
+	irqreturn_t ret = IRQ_NONE;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+
+	/* We can recieve shared interrupt while pci is suspended
+		in that case reads will return 0xFFFFFFFF.... */
+	if (dev->insuspend)
+		goto out;
+
+	/* handle card detection interrupts first */
+	card_status = r852_read_reg(dev, R852_CARD_IRQ_STA);
+	r852_write_reg(dev, R852_CARD_IRQ_STA, card_status);
+
+	if (card_status & (R852_CARD_IRQ_INSERT|R852_CARD_IRQ_REMOVE)) {
+
+		ret = IRQ_HANDLED;
+		dev->card_detected = !!(card_status & R852_CARD_IRQ_INSERT);
+
+		/* we shouldn't recieve any interrupts if we wait for card
+			to settle */
+		WARN_ON(dev->card_unstable);
+
+		/* disable irqs while card is unstable */
+		/* this will timeout DMA if active, but better that garbage */
+		r852_disable_irqs(dev);
+
+		if (dev->card_unstable)
+			goto out;
+
+		/* let, card state to settle a bit, and then do the work */
+		dev->card_unstable = 1;
+		queue_delayed_work(dev->card_workqueue,
+			&dev->card_detect_work, msecs_to_jiffies(100));
+		goto out;
+	}
+
+
+	/* Handle dma interrupts */
+	dma_status = r852_read_reg_dword(dev, R852_DMA_IRQ_STA);
+	r852_write_reg_dword(dev, R852_DMA_IRQ_STA, dma_status);
+
+	if (dma_status & R852_DMA_IRQ_MASK) {
+
+		ret = IRQ_HANDLED;
+
+		if (dma_status & R852_DMA_IRQ_ERROR) {
+			dbg("recieved dma error IRQ");
+			r852_dma_done(dev, -EIO);
+			goto out;
+		}
+
+		/* recieved DMA interrupt out of nowhere? */
+		WARN_ON_ONCE(dev->dma_stage == 0);
+
+		if (dev->dma_stage == 0)
+			goto out;
+
+		/* done device access */
+		if (dev->dma_state == DMA_INTERNAL &&
+				(dma_status & R852_DMA_IRQ_INTERNAL)) {
+
+			dev->dma_state = DMA_MEMORY;
+			dev->dma_stage++;
+		}
+
+		/* done memory DMA */
+		if (dev->dma_state == DMA_MEMORY &&
+				(dma_status & R852_DMA_IRQ_MEMORY)) {
+			dev->dma_state = DMA_INTERNAL;
+			dev->dma_stage++;
+		}
+
+		/* Enable 2nd half of dma dance */
+		if (dev->dma_stage == 2)
+			r852_dma_enable(dev);
+
+		/* Operation done */
+		if (dev->dma_stage == 3)
+			r852_dma_done(dev, 0);
+		goto out;
+	}
+
+	/* Handle unknown interrupts */
+	if (dma_status)
+		dbg("bad dma IRQ status = %x", dma_status);
+
+	if (card_status & ~R852_CARD_STA_CD)
+		dbg("strange card status = %x", card_status);
+
+out:
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	return ret;
+}
+
+int  r852_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
+{
+	int error;
+	struct nand_chip *chip;
+	struct r852_device *dev;
+
+	/* pci initialization */
+	error = pci_enable_device(pci_dev);
+
+	if (error)
+		goto error1;
+
+	pci_set_master(pci_dev);
+
+	error = pci_set_dma_mask(pci_dev, DMA_32BIT_MASK);
+	if (error)
+		goto error2;
+
+	error = pci_request_regions(pci_dev, DRV_NAME);
+
+	if (error)
+		goto error3;
+
+	error = -ENOMEM;
+
+	/* init nand chip, but register it only on card insert */
+	chip = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
+
+	if (!chip)
+		goto error4;
+
+	/* commands */
+	chip->cmd_ctrl = r852_cmdctl;
+	chip->waitfunc = r852_wait;
+	chip->dev_ready = r852_ready;
+
+	/* I/O */
+	chip->read_byte = r852_read_byte;
+	chip->read_buf = r852_read_buf;
+	chip->write_buf = r852_write_buf;
+	chip->verify_buf = r852_verify_buf;
+
+	/* ecc */
+	chip->ecc.mode = NAND_ECC_HW_SYNDROME;
+	chip->ecc.size = R852_DMA_LEN;
+	chip->ecc.bytes = SM_OOB_SIZE;
+	chip->ecc.hwctl = r852_ecc_hwctl;
+	chip->ecc.calculate = r852_ecc_calculate;
+	chip->ecc.correct = r852_ecc_correct;
+
+	/* TODO: hack */
+	chip->ecc.read_oob = r852_read_oob;
+
+	/* init our device structure */
+	dev = kzalloc(sizeof(struct r852_device), GFP_KERNEL);
+
+	if (!dev)
+		goto error5;
+
+	chip->priv = dev;
+	dev->chip = chip;
+	dev->pci_dev = pci_dev;
+	pci_set_drvdata(pci_dev, dev);
+
+	dev->bounce_buffer = pci_alloc_consistent(pci_dev, R852_DMA_LEN,
+		&dev->phys_bounce_buffer);
+
+	if (!dev->bounce_buffer)
+		goto error6;
+
+
+	error = -ENODEV;
+	dev->mmio = pci_ioremap_bar(pci_dev, 0);
+
+	if (!dev->mmio)
+		goto error7;
+
+	error = -ENOMEM;
+	dev->tmp_buffer = kzalloc(SM_SECTOR_SIZE, GFP_KERNEL);
+
+	if (!dev->tmp_buffer)
+		goto error8;
+
+	init_completion(&dev->dma_done);
+
+	dev->card_workqueue = create_freezeable_workqueue(DRV_NAME);
+
+	if (!dev->card_workqueue)
+		goto error9;
+
+	INIT_DELAYED_WORK(&dev->card_detect_work, r852_card_detect_work);
+
+	/* shutdown everything - precation */
+	r852_engine_disable(dev);
+	r852_disable_irqs(dev);
+
+	r852_dma_test(dev);
+
+	/*register irq handler*/
+	error = -ENODEV;
+	if (request_irq(pci_dev->irq, &r852_irq, IRQF_SHARED,
+			  DRV_NAME, dev))
+		goto error10;
+
+	dev->irq = pci_dev->irq;
+	spin_lock_init(&dev->irqlock);
+
+	/* kick initial present test */
+	dev->card_detected = 0;
+	r852_card_update_present(dev);
+	queue_delayed_work(dev->card_workqueue,
+		&dev->card_detect_work, 0);
+
+
+	printk(KERN_NOTICE DRV_NAME ": driver loaded succesfully\n");
+	return 0;
+
+error10:
+	destroy_workqueue(dev->card_workqueue);
+error9:
+	kfree(dev->tmp_buffer);
+error8:
+	pci_iounmap(pci_dev, dev->mmio);
+error7:
+	pci_free_consistent(pci_dev, R852_DMA_LEN,
+		dev->bounce_buffer, dev->phys_bounce_buffer);
+error6:
+	kfree(dev);
+error5:
+	kfree(chip);
+error4:
+	pci_release_regions(pci_dev);
+error3:
+error2:
+	pci_disable_device(pci_dev);
+error1:
+	return error;
+}
+
+void r852_remove(struct pci_dev *pci_dev)
+{
+	struct r852_device *dev = pci_get_drvdata(pci_dev);
+
+	/* Stop detect workqueue -
+		we are going to unregister the device anyway*/
+	cancel_delayed_work_sync(&dev->card_detect_work);
+	destroy_workqueue(dev->card_workqueue);
+
+	/* Unregister the device, this might make more IO */
+	r852_unregister_nand_device(dev);
+
+	/* Stop interrupts */
+	r852_disable_irqs(dev);
+	synchronize_irq(dev->irq);
+	free_irq(dev->irq, dev);
+
+	/* Cleanup */
+	kfree(dev->tmp_buffer);
+	pci_iounmap(pci_dev, dev->mmio);
+	pci_free_consistent(pci_dev, R852_DMA_LEN,
+		dev->bounce_buffer, dev->phys_bounce_buffer);
+
+	kfree(dev->chip);
+	kfree(dev);
+
+	/* Shutdown the PCI device */
+	pci_release_regions(pci_dev);
+	pci_disable_device(pci_dev);
+}
+
+void r852_shutdown(struct pci_dev *pci_dev)
+{
+	struct r852_device *dev = pci_get_drvdata(pci_dev);
+
+	cancel_delayed_work_sync(&dev->card_detect_work);
+	r852_disable_irqs(dev);
+	synchronize_irq(dev->irq);
+	pci_disable_device(pci_dev);
+}
+
+int r852_suspend(struct device *device)
+{
+	struct r852_device *dev = pci_get_drvdata(to_pci_dev(device));
+	unsigned long flags;
+
+	if (dev->ctlreg & R852_CTL_CARDENABLE)
+		return -EBUSY;
+
+	/* First make sure the detect work is gone */
+	cancel_delayed_work_sync(&dev->card_detect_work);
+
+	/* Turn off the interrupts and stop the device */
+	r852_disable_irqs(dev);
+	r852_engine_disable(dev);
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+	dev->insuspend = 1;
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+
+	/* At that point, even if interrupt handler is running, it will quit */
+	/* So wait for this to happen explictly */
+	synchronize_irq(dev->irq);
+
+	/* If card was pulled off just during the suspend, which is very
+		unlikely, we will remove it on resume, it too late now
+		anyway... */
+	dev->card_unstable = 0;
+
+	pci_save_state(to_pci_dev(device));
+	return pci_prepare_to_sleep(to_pci_dev(device));
+}
+
+int r852_resume(struct device *device)
+{
+	struct r852_device *dev = pci_get_drvdata(to_pci_dev(device));
+	unsigned long flags;
+
+	/* Turn on the hardware */
+	pci_back_from_sleep(to_pci_dev(device));
+	pci_restore_state(to_pci_dev(device));
+
+	r852_disable_irqs(dev);
+	r852_card_update_present(dev);
+	r852_engine_disable(dev);
+
+
+	/* Now its safe for IRQ to run */
+	spin_lock_irqsave(&dev->irqlock, flags);
+	dev->insuspend = 0;
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+
+
+	/* If card status changed, just do the work */
+	if (dev->card_detected != dev->card_registred) {
+		dbg("card was %s during low power state",
+			dev->card_detected ? "added" : "removed");
+
+		queue_delayed_work(dev->card_workqueue,
+		&dev->card_detect_work, 1000);
+		return 0;
+	}
+
+	/* Otherwise, initialize the card */
+	if (dev->card_registred) {
+		r852_engine_enable(dev);
+		dev->chip->select_chip(dev->mtd, 0);
+		dev->chip->cmdfunc(dev->mtd, NAND_CMD_RESET, -1, -1);
+		dev->chip->select_chip(dev->mtd, -1);
+	}
+
+	/* Program card detection IRQ */
+	r852_update_card_detect(dev);
+	return 0;
+}
+
+static const struct pci_device_id r852_pci_id_tbl[] = {
+
+	{ PCI_VDEVICE(RICOH, PCI_DEVICE_ID_RICOH_R5C852), },
+	{ },
+};
+
+MODULE_DEVICE_TABLE(pci, r852_pci_id_tbl);
+
+SIMPLE_DEV_PM_OPS(r852_pm_ops, r852_suspend, r852_resume);
+
+
+static struct pci_driver r852_pci_driver = {
+	.name		= DRV_NAME,
+	.id_table	= r852_pci_id_tbl,
+	.probe		= r852_probe,
+	.remove		= r852_remove,
+	.shutdown	= r852_shutdown,
+	.driver.pm	= &r852_pm_ops,
+};
+
+static __init int r852_module_init(void)
+{
+	return pci_register_driver(&r852_pci_driver);
+}
+
+static void __exit r852_module_exit(void)
+{
+	pci_unregister_driver(&r852_pci_driver);
+}
+
+module_init(r852_module_init);
+module_exit(r852_module_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Maxim Levitsky <maximlevitsky@gmail.com>");
+MODULE_DESCRIPTION("Ricoh 85xx xD/smartmedia card reader driver");
diff --git a/drivers/mtd/nand/r852.h b/drivers/mtd/nand/r852.h
new file mode 100644
index 00000000000..8096cc280c7
--- /dev/null
+++ b/drivers/mtd/nand/r852.h
@@ -0,0 +1,163 @@
+/*
+ * Copyright © 2009 - Maxim Levitsky
+ * driver for Ricoh xD readers
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/pci.h>
+#include <linux/completion.h>
+#include <linux/workqueue.h>
+#include <linux/mtd/nand.h>
+#include <linux/spinlock.h>
+
+
+/* nand interface + ecc
+   byte write/read does one cycle on nand data lines.
+   dword write/read does 4 cycles
+   if R852_CTL_ECC_ACCESS is set in R852_CTL, then dword read reads
+   results of ecc correction, if DMA read was done before.
+   If write was done two dword reads read generated ecc checksums
+*/
+#define	R852_DATALINE		0x00
+
+/* control register */
+#define R852_CTL		0x04
+#define R852_CTL_COMMAND 	0x01	/* send command (#CLE)*/
+#define R852_CTL_DATA		0x02	/* read/write data (#ALE)*/
+#define R852_CTL_ON		0x04	/* only seem to controls the hd led, */
+					/* but has to be set on start...*/
+#define R852_CTL_RESET		0x08	/* unknown, set only on start once*/
+#define R852_CTL_CARDENABLE	0x10	/* probably (#CE) - always set*/
+#define R852_CTL_ECC_ENABLE	0x20	/* enable ecc engine */
+#define R852_CTL_ECC_ACCESS	0x40	/* read/write ecc via reg #0*/
+#define R852_CTL_WRITE		0x80	/* set when performing writes (#WP) */
+
+/* card detection status */
+#define R852_CARD_STA		0x05
+
+#define R852_CARD_STA_CD	0x01	/* state of #CD line, same as 0x04 */
+#define R852_CARD_STA_RO	0x02	/* card is readonly */
+#define R852_CARD_STA_PRESENT	0x04	/* card is present (#CD) */
+#define R852_CARD_STA_ABSENT	0x08	/* card is absent */
+#define R852_CARD_STA_BUSY	0x80	/* card is busy - (#R/B) */
+
+/* card detection irq status & enable*/
+#define R852_CARD_IRQ_STA	0x06	/* IRQ status */
+#define R852_CARD_IRQ_ENABLE	0x07	/* IRQ enable */
+
+#define R852_CARD_IRQ_CD	0x01	/* fire when #CD lights, same as 0x04*/
+#define R852_CARD_IRQ_REMOVE	0x04	/* detect card removal */
+#define R852_CARD_IRQ_INSERT	0x08	/* detect card insert */
+#define R852_CARD_IRQ_UNK1	0x10	/* unknown */
+#define R852_CARD_IRQ_GENABLE	0x80	/* general enable */
+#define R852_CARD_IRQ_MASK	0x1D
+
+
+
+/* hardware enable */
+#define R852_HW			0x08
+#define R852_HW_ENABLED		0x01	/* hw enabled */
+#define R852_HW_UNKNOWN		0x80
+
+
+/* dma capabilities */
+#define R852_DMA_CAP		0x09
+#define R852_SMBIT		0x20	/* if set with bit #6 or bit #7, then */
+					/* hw is smartmedia */
+#define R852_DMA1		0x40	/* if set w/bit #7, dma is supported */
+#define R852_DMA2		0x80	/* if set w/bit #6, dma is supported */
+
+
+/* physical DMA address - 32 bit value*/
+#define R852_DMA_ADDR		0x0C
+
+
+/* dma settings */
+#define R852_DMA_SETTINGS	0x10
+#define R852_DMA_MEMORY		0x01	/* (memory <-> internal hw buffer) */
+#define R852_DMA_READ		0x02	/* 0 = write, 1 = read */
+#define R852_DMA_INTERNAL	0x04	/* (internal hw buffer <-> card) */
+
+/* dma IRQ status */
+#define R852_DMA_IRQ_STA		0x14
+
+/* dma IRQ enable */
+#define R852_DMA_IRQ_ENABLE	0x18
+
+#define R852_DMA_IRQ_MEMORY	0x01	/* (memory <-> internal hw buffer) */
+#define R852_DMA_IRQ_ERROR	0x02	/* error did happen */
+#define R852_DMA_IRQ_INTERNAL	0x04	/* (internal hw buffer <-> card) */
+#define R852_DMA_IRQ_MASK	0x07	/* mask of all IRQ bits */
+
+
+/* ECC syndrome format - read from reg #0 will return two copies of these for
+   each half of the page.
+   first byte is error byte location, and second, bit location + flags */
+#define R852_ECC_ERR_BIT_MSK	0x07	/* error bit location */
+#define R852_ECC_CORRECT		0x10	/* no errors - (guessed) */
+#define R852_ECC_CORRECTABLE	0x20	/* correctable error exist */
+#define R852_ECC_FAIL		0x40	/* non correctable error detected */
+
+#define R852_DMA_LEN		512
+
+#define DMA_INTERNAL	0
+#define DMA_MEMORY	1
+
+struct r852_device {
+	void __iomem *mmio;		/* mmio */
+	struct mtd_info *mtd;		/* mtd backpointer */
+	struct nand_chip *chip;		/* nand chip backpointer */
+	struct pci_dev *pci_dev;	/* pci backpointer */
+
+	/* dma area */
+	dma_addr_t phys_dma_addr;	/* bus address of buffer*/
+	struct completion dma_done;	/* data transfer done */
+
+	dma_addr_t phys_bounce_buffer;	/* bus address of bounce buffer */
+	uint8_t *bounce_buffer;		/* virtual address of bounce buffer */
+
+	int dma_dir;			/* 1 = read, 0 = write */
+	int dma_stage;			/* 0 - idle, 1 - first step,
+					   2 - second step */
+
+	int dma_state;			/* 0 = internal, 1 = memory */
+	int dma_error;			/* dma errors */
+	int dma_usable;			/* is it possible to use dma */
+
+	/* card status area */
+	struct delayed_work card_detect_work;
+	struct workqueue_struct *card_workqueue;
+	int card_registred;		/* card registered with mtd */
+	int card_detected;		/* card detected in slot */
+	int card_unstable;		/* whenever the card is inserted,
+					   is not known yet */
+	int readonly;			/* card is readonly */
+	int sm;				/* Is card smartmedia */
+
+	/* interrupt handling */
+	spinlock_t irqlock;		/* IRQ protecting lock */
+	int irq;			/* irq num */
+	int insuspend;			/* device is suspended */
+
+	/* misc */
+	void *tmp_buffer;		/* temporary buffer */
+	uint8_t ctlreg;			/* cached contents of control reg */
+};
+
+#define DRV_NAME "r852"
+
+
+#define dbg(format, ...) \
+	if (debug) \
+		printk(KERN_DEBUG DRV_NAME ": " format "\n", ## __VA_ARGS__)
+
+#define dbg_verbose(format, ...) \
+	if (debug > 1) \
+		printk(KERN_DEBUG DRV_NAME ": " format "\n", ## __VA_ARGS__)
+
+
+#define message(format, ...) \
+	printk(KERN_INFO DRV_NAME ": " format "\n", ## __VA_ARGS__)

From 133fa8c7d70d16b07db3a3d87ea18291db8f8ebf Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Fri, 26 Feb 2010 22:08:40 +0200
Subject: [PATCH 0071/3638] mtd: Few follow up cleanups for Smartmedia/xD
 support

* Test results of few functions that were declared with __must_check
* Fix bogus gcc warning about uinitialized variable 'ret'
* Remove unused variable from mtdblock_remove_dev
* Don't use deprecated DMA_32BIT_MASK

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtd_blkdevs.c |  6 ++++--
 drivers/mtd/mtdblock.c    |  1 -
 drivers/mtd/nand/r852.c   |  6 ++++--
 drivers/mtd/sm_ftl.c      | 17 ++++++++++-------
 4 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 9dd23d6acbb..e32c49cb400 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -380,9 +380,11 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 
 	add_disk(gd);
 
-	if (new->disk_attributes)
-		sysfs_create_group(&disk_to_dev(gd)->kobj,
+	if (new->disk_attributes) {
+		ret = sysfs_create_group(&disk_to_dev(gd)->kobj,
 					new->disk_attributes);
+		WARN_ON(ret);
+	}
 	return 0;
 error4:
 	module_put(tr->owner);
diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index 7ce30a239ad..e6edbec609f 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -354,7 +354,6 @@ static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 
 static void mtdblock_remove_dev(struct mtd_blktrans_dev *dev)
 {
-	struct mtdblk_dev *mtdblk = container_of(dev, struct mtdblk_dev, mbd);
 	del_mtd_blktrans_dev(dev);
 }
 
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 9307a88e522..7a616a926ee 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -654,7 +654,9 @@ int r852_register_nand_device(struct r852_device *dev)
 	if (sm_register_device(dev->mtd))
 		goto error2;
 
-	device_create_file(&dev->mtd->dev, &dev_attr_media_type);
+	if (device_create_file(&dev->mtd->dev, &dev_attr_media_type))
+		message("can't create media type sysfs attribute");
+
 	dev->card_registred = 1;
 	return 0;
 error2:
@@ -838,7 +840,7 @@ int  r852_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
 
 	pci_set_master(pci_dev);
 
-	error = pci_set_dma_mask(pci_dev, DMA_32BIT_MASK);
+	error = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
 	if (error)
 		goto error2;
 
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index a59ebb48cae..9fb56c76ae8 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -228,7 +228,7 @@ static int sm_read_sector(struct sm_ftl *ftl,
 	struct mtd_info *mtd = ftl->trans->mtd;
 	struct mtd_oob_ops ops;
 	struct sm_oob tmp_oob;
-	int ret;
+	int ret = -EIO;
 	int try = 0;
 
 	/* FTL can contain -1 entries that are by default filled with bits */
@@ -753,6 +753,7 @@ static int sm_init_zone(struct sm_ftl *ftl, int zone_num)
 	uint16_t block;
 	int lba;
 	int i = 0;
+	int len;
 
 	dbg("initializing zone %d", zone_num);
 
@@ -856,7 +857,9 @@ static int sm_init_zone(struct sm_ftl *ftl, int zone_num)
 	i %= (kfifo_len(&zone->free_sectors) / 2);
 
 	while (i--) {
-		kfifo_out(&zone->free_sectors, (unsigned char *)&block, 2);
+		len = kfifo_out(&zone->free_sectors,
+					(unsigned char *)&block, 2);
+		WARN_ON(len != 2);
 		kfifo_in(&zone->free_sectors, (const unsigned char *)&block, 2);
 	}
 	return 0;
@@ -947,17 +950,17 @@ restart:
 
 	if (ftl->unstable)
 		return -EIO;
-	/* No spare blocks */
-	/* We could still continue by erasing the current block,
+
+	/* If there are no spare blocks, */
+	/* we could still continue by erasing/writing the current block,
 		but for such worn out media it doesn't worth the trouble,
 			and the dangers */
-
-	if (!kfifo_len(&zone->free_sectors)) {
+	if (kfifo_out(&zone->free_sectors,
+				(unsigned char *)&write_sector, 2) != 2) {
 		dbg("no free sectors for write!");
 		return -EIO;
 	}
 
-	kfifo_out(&zone->free_sectors, (unsigned char *)&write_sector, 2);
 
 	if (sm_write_block(ftl, ftl->cache_data, zone_num, write_sector,
 		ftl->cache_block, ftl->cache_data_invalid_bitmap))

From d4080cb32ee3d2ed18aa69ffde6010524bd686cd Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Fri, 26 Feb 2010 23:10:32 +0200
Subject: [PATCH 0072/3638] mtd: r852 fix pci ID

The PCI_DEVICE_ID_RICOH_R5C852 was missed in the edited commit, and on
second thought I just open code it.

This fixes compile error.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/r852.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 7a616a926ee..218a42dadff 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -1083,7 +1083,7 @@ int r852_resume(struct device *device)
 
 static const struct pci_device_id r852_pci_id_tbl[] = {
 
-	{ PCI_VDEVICE(RICOH, PCI_DEVICE_ID_RICOH_R5C852), },
+	{ PCI_VDEVICE(RICOH, 0x0852), },
 	{ },
 };
 

From fb45d3232c641bfee5000c8a81e2005903734702 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Sat, 27 Feb 2010 02:04:02 +0200
Subject: [PATCH 0073/3638] mtd: r852: Few fixes for problems that occur when
 card is rapidly inserted/removed.

First don't enable card detection logic to early. Second be very careful with
DMA engine, to be sure it doesn't write to kernel memory driver doesn't own.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/r852.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 218a42dadff..cb271167b4a 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -96,14 +96,21 @@ static void r852_dma_enable(struct r852_device *dev)
 	if (dev->dma_dir)
 		dma_reg |= R852_DMA_READ;
 
-	if (dev->dma_state == DMA_INTERNAL)
+	if (dev->dma_state == DMA_INTERNAL) {
 		dma_reg |= R852_DMA_INTERNAL;
-	else {
+		/* Precaution to make sure HW doesn't write */
+			/* to random kernel memory */
+		r852_write_reg_dword(dev, R852_DMA_ADDR,
+			cpu_to_le32(dev->phys_bounce_buffer));
+	} else {
 		dma_reg |= R852_DMA_MEMORY;
 		r852_write_reg_dword(dev, R852_DMA_ADDR,
 			cpu_to_le32(dev->phys_dma_addr));
 	}
 
+	/* Precaution: make sure write reached the device */
+	r852_read_reg_dword(dev, R852_DMA_ADDR);
+
 	r852_write_reg_dword(dev, R852_DMA_SETTINGS, dma_reg);
 
 	/* Set dma irq */
@@ -129,6 +136,11 @@ static void r852_dma_done(struct r852_device *dev, int error)
 	r852_write_reg_dword(dev, R852_DMA_SETTINGS, 0);
 	r852_write_reg_dword(dev, R852_DMA_IRQ_ENABLE, 0);
 
+	/* Precaution to make sure HW doesn't write to random kernel memory */
+	r852_write_reg_dword(dev, R852_DMA_ADDR,
+		cpu_to_le32(dev->phys_bounce_buffer));
+	r852_read_reg_dword(dev, R852_DMA_ADDR);
+
 	dev->dma_error = error;
 	dev->dma_stage = 0;
 
@@ -579,6 +591,7 @@ void r852_card_update_present(struct r852_device *dev)
 void r852_update_card_detect(struct r852_device *dev)
 {
 	int card_detect_reg = r852_read_reg(dev, R852_CARD_IRQ_ENABLE);
+	dev->card_unstable = 0;
 
 	card_detect_reg &= ~(R852_CARD_IRQ_REMOVE | R852_CARD_IRQ_INSERT);
 	card_detect_reg |= R852_CARD_IRQ_GENABLE;
@@ -690,10 +703,10 @@ void r852_card_detect_work(struct work_struct *work)
 	struct r852_device *dev =
 		container_of(work, struct r852_device, card_detect_work.work);
 
-	r852_update_card_detect(dev);
+	r852_card_update_present(dev);
 	dev->card_unstable = 0;
 
-	/* false alarm */
+	/* False alarm */
 	if (dev->card_detected == dev->card_registred)
 		goto exit;
 

From b2aaf7a2b476820cf5fd7738e8641ed88046acf5 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 1 Mar 2010 13:54:19 -0800
Subject: [PATCH 0074/3638] mtd/nand/r852: fix build for CONFIG_PM=n

Fix r852 build for the case of CONFIG_PM=n.

drivers/mtd/nand/r852.c:1039: error: implicit declaration of function 'pci_prepare_to_sleep'
drivers/mtd/nand/r852.c:1048: error: implicit declaration of function 'pci_back_from_sleep'

This patch leaves r852_pm_ops untouched.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/r852.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index cb271167b4a..96db476ce3e 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -1019,6 +1019,7 @@ void r852_shutdown(struct pci_dev *pci_dev)
 	pci_disable_device(pci_dev);
 }
 
+#ifdef CONFIG_PM
 int r852_suspend(struct device *device)
 {
 	struct r852_device *dev = pci_get_drvdata(to_pci_dev(device));
@@ -1093,6 +1094,10 @@ int r852_resume(struct device *device)
 	r852_update_card_detect(dev);
 	return 0;
 }
+#else
+#define r852_suspend	NULL
+#define r852_resume	NULL
+#endif
 
 static const struct pci_device_id r852_pci_id_tbl[] = {
 

From ada496578850cb063ccf64d43a293cfcc9d32bf8 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 1 Mar 2010 20:21:06 +1100
Subject: [PATCH 0075/3638] mtd: nand: r852: fix name space clash

and include delay.h for msleep().

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/r852.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 96db476ce3e..f5a0bc7adde 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -13,15 +13,16 @@
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
 #include <linux/pci_ids.h>
+#include <linux/delay.h>
 #include <asm/byteorder.h>
 #include <linux/sched.h>
 #include "sm_common.h"
 #include "r852.h"
 
 
-static int enable_dma = 1;
-module_param(enable_dma, bool, S_IRUGO);
-MODULE_PARM_DESC(enable_dma, "Enable usage of the DMA (default)");
+static int r852_enable_dma = 1;
+module_param(r852_enable_dma, bool, S_IRUGO);
+MODULE_PARM_DESC(r852_enable_dma, "Enable usage of the DMA (default)");
 
 static int debug;
 module_param(debug, int, S_IRUGO | S_IWUSR);
@@ -75,7 +76,7 @@ static void r852_dma_test(struct r852_device *dev)
 	if (!dev->dma_usable)
 		message("Non dma capable device detected, dma disabled");
 
-	if (!enable_dma) {
+	if (!r852_enable_dma) {
 		message("disabling dma on user request");
 		dev->dma_usable = 0;
 	}

From 1f6ca0d6213278f8608c7e342e423ec0c0198040 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 1 Mar 2010 20:44:57 +1100
Subject: [PATCH 0076/3638] mtd: nand: r852: declare inline functions static

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/sm_common.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/sm_common.h b/drivers/mtd/nand/sm_common.h
index 7c03314bdac..18284f5fae6 100644
--- a/drivers/mtd/nand/sm_common.h
+++ b/drivers/mtd/nand/sm_common.h
@@ -39,17 +39,17 @@ struct sm_oob {
 extern int sm_register_device(struct mtd_info *mtd);
 
 
-inline int sm_sector_valid(struct sm_oob *oob)
+static inline int sm_sector_valid(struct sm_oob *oob)
 {
 	return hweight16(oob->data_status) >= 5;
 }
 
-inline int sm_block_valid(struct sm_oob *oob)
+static inline int sm_block_valid(struct sm_oob *oob)
 {
 	return hweight16(oob->block_status) >= 7;
 }
 
-inline int sm_block_erased(struct sm_oob *oob)
+static inline int sm_block_erased(struct sm_oob *oob)
 {
 	static const uint32_t erased_pattern[4] = {
 		0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };

From 7de6f798e13093536b6cb229213db2fab6e6555f Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Mon, 8 Mar 2010 18:45:00 -0800
Subject: [PATCH 0077/3638] mtd: Make SM_FTL depend on MTD_NAND

Randy Dunlap observed a build problem with the following config:

CONFIG_SM_FTL=y
CONFIG_SM_FTL_MUSEUM=y

CONFIG_MTD_NAND=m

The ECC calculation routines are then built as a module, but referenced
by the sm_ftl code in the kernel, resulting in a build failure. The
simple fix is to make CONFIG_SM_FTL depend on MTD_NAND unconditionally
-- it's pointless without hardware support anyway.

Fix some typos which Randy pointed out, too.

Reported-By: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/Kconfig | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 8a912406433..dbee14d3722 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -307,22 +307,22 @@ config SSFDC
 
 config SM_FTL
 	tristate "SmartMedia/xD new translation layer"
-	depends on EXPERIMENTAL && BLOCK
+	depends on EXPERIMENTAL && BLOCK && MTD_NAND
 	select MTD_BLKDEVS
 	help
 	  This enables new and very EXPERMENTAL support for SmartMedia/xD
-	  FTL (Flash tanslation layer)
+	  FTL (Flash translation layer).
 	  Write support isn't yet well tested, therefore this code IS likely to
 	  eat your card, so please don't use it together with valuable data.
 	  Use readonly driver (CONFIG_SSFDC) instead.
 
 config SM_FTL_MUSEUM
 	boolean "Additional Support for 1MiB and 2MiB SmartMedia cards"
-	depends on SM_FTL && MTD_NAND
+	depends on SM_FTL
 	select MTD_NAND_ECC_SMC
 	help
-	  Very old SmartMedia cards need ECC to be calculated in the FTL
-	  Such cards are very rare, thus enabling this option is mostly useless
+	  Very old SmartMedia cards need ECC to be calculated in the FTL.
+	  Such cards are very rare, thus enabling this option is mostly useless.
 	  Also this support is completely UNTESTED.
 
 config MTD_OOPS

From e4d64cab99a2d659bf9d6fe9ab67666bceb68d87 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Sat, 27 Feb 2010 02:31:51 +0200
Subject: [PATCH 0078/3638] mtd: blktrans: do blk_cleanup_queue when it is
 really safe to do so

I was calling it in del_mtd_blktrans_dev, but ->request_fn could
still be running at that point, thus defer this call
to blktrans_dev_release

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtd_blkdevs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index e32c49cb400..03e19c1965c 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -32,6 +32,7 @@ void blktrans_dev_release(struct kref *kref)
 		container_of(kref, struct mtd_blktrans_dev, ref);
 
 	dev->disk->private_data = NULL;
+	blk_cleanup_queue(dev->rq);
 	put_disk(dev->disk);
 	list_del(&dev->list);
 	kfree(dev);
@@ -423,7 +424,6 @@ int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
 	old->rq->queuedata = NULL;
 	blk_start_queue(old->rq);
 	spin_unlock_irqrestore(&old->queue_lock, flags);
-	blk_cleanup_queue(old->rq);
 
 	/* Ask trans driver for release to the mtd device */
 	mutex_lock(&old->lock);

From 269ab459da46ae37979a0d16307d1fcaa05600b2 Mon Sep 17 00:00:00 2001
From: Richard Hartmann <richih.mailinglist@gmail.com>
Date: Wed, 10 Mar 2010 18:24:46 +0800
Subject: [PATCH 0079/3638] crypto: internal - Fix checkpatch errors

Signed-off-by: Richard Hartmann <richih.mailinglist@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/internal.h b/crypto/internal.h
index 2d226362e59..d4384b08ab2 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -6,7 +6,7 @@
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option) 
+ * Software Foundation; either version 2 of the License, or (at your option)
  * any later version.
  *
  */

From 12387a46bb150f5608de4aa9a90dfdddbf991e3f Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Wed, 10 Mar 2010 18:28:55 +0800
Subject: [PATCH 0080/3638] crypto: aesni-intel - Add AES-NI accelerated CTR
 mode

To take advantage of the hardware pipeline implementation of AES-NI
instructions. CTR mode cryption is implemented in ASM to schedule
multiple AES-NI instructions one after another. This way, some latency
of AES-NI instruction can be eliminated.

Performance testing based on dm-crypt should 50% reduction of
ecryption/decryption time.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 arch/x86/crypto/aesni-intel_asm.S  | 115 +++++++++++++++++++++++++
 arch/x86/crypto/aesni-intel_glue.c | 130 +++++++++++++++++++++++++++--
 2 files changed, 238 insertions(+), 7 deletions(-)

diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index 20bb0e1ac68..822846a9eba 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -32,6 +32,9 @@
 #define IN	IN1
 #define KEY	%xmm2
 #define IV	%xmm3
+#define BSWAP_MASK %xmm10
+#define CTR	%xmm11
+#define INC	%xmm12
 
 #define KEYP	%rdi
 #define OUTP	%rsi
@@ -42,6 +45,7 @@
 #define T1	%r10
 #define TKEYP	T1
 #define T2	%r11
+#define TCTR_LOW T2
 
 _key_expansion_128:
 _key_expansion_256a:
@@ -724,3 +728,114 @@ ENTRY(aesni_cbc_dec)
 	movups IV, (IVP)
 .Lcbc_dec_just_ret:
 	ret
+
+.align 16
+.Lbswap_mask:
+	.byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
+
+/*
+ * _aesni_inc_init:	internal ABI
+ *	setup registers used by _aesni_inc
+ * input:
+ *	IV
+ * output:
+ *	CTR:	== IV, in little endian
+ *	TCTR_LOW: == lower qword of CTR
+ *	INC:	== 1, in little endian
+ *	BSWAP_MASK == endian swapping mask
+ */
+_aesni_inc_init:
+	movaps .Lbswap_mask, BSWAP_MASK
+	movaps IV, CTR
+	PSHUFB_XMM BSWAP_MASK CTR
+	mov $1, TCTR_LOW
+	movq TCTR_LOW, INC
+	movq CTR, TCTR_LOW
+	ret
+
+/*
+ * _aesni_inc:		internal ABI
+ *	Increase IV by 1, IV is in big endian
+ * input:
+ *	IV
+ *	CTR:	== IV, in little endian
+ *	TCTR_LOW: == lower qword of CTR
+ *	INC:	== 1, in little endian
+ *	BSWAP_MASK == endian swapping mask
+ * output:
+ *	IV:	Increase by 1
+ * changed:
+ *	CTR:	== output IV, in little endian
+ *	TCTR_LOW: == lower qword of CTR
+ */
+_aesni_inc:
+	paddq INC, CTR
+	add $1, TCTR_LOW
+	jnc .Linc_low
+	pslldq $8, INC
+	paddq INC, CTR
+	psrldq $8, INC
+.Linc_low:
+	movaps CTR, IV
+	PSHUFB_XMM BSWAP_MASK IV
+	ret
+
+/*
+ * void aesni_ctr_enc(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
+ *		      size_t len, u8 *iv)
+ */
+ENTRY(aesni_ctr_enc)
+	cmp $16, LEN
+	jb .Lctr_enc_just_ret
+	mov 480(KEYP), KLEN
+	movups (IVP), IV
+	call _aesni_inc_init
+	cmp $64, LEN
+	jb .Lctr_enc_loop1
+.align 4
+.Lctr_enc_loop4:
+	movaps IV, STATE1
+	call _aesni_inc
+	movups (INP), IN1
+	movaps IV, STATE2
+	call _aesni_inc
+	movups 0x10(INP), IN2
+	movaps IV, STATE3
+	call _aesni_inc
+	movups 0x20(INP), IN3
+	movaps IV, STATE4
+	call _aesni_inc
+	movups 0x30(INP), IN4
+	call _aesni_enc4
+	pxor IN1, STATE1
+	movups STATE1, (OUTP)
+	pxor IN2, STATE2
+	movups STATE2, 0x10(OUTP)
+	pxor IN3, STATE3
+	movups STATE3, 0x20(OUTP)
+	pxor IN4, STATE4
+	movups STATE4, 0x30(OUTP)
+	sub $64, LEN
+	add $64, INP
+	add $64, OUTP
+	cmp $64, LEN
+	jge .Lctr_enc_loop4
+	cmp $16, LEN
+	jb .Lctr_enc_ret
+.align 4
+.Lctr_enc_loop1:
+	movaps IV, STATE
+	call _aesni_inc
+	movups (INP), IN
+	call _aesni_enc1
+	pxor IN, STATE
+	movups STATE, (OUTP)
+	sub $16, LEN
+	add $16, INP
+	add $16, OUTP
+	cmp $16, LEN
+	jge .Lctr_enc_loop1
+.Lctr_enc_ret:
+	movups IV, (IVP)
+.Lctr_enc_just_ret:
+	ret
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 49c552c060e..2cb3dcc4490 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -18,6 +18,7 @@
 #include <crypto/algapi.h>
 #include <crypto/aes.h>
 #include <crypto/cryptd.h>
+#include <crypto/ctr.h>
 #include <asm/i387.h>
 #include <asm/aes.h>
 
@@ -58,6 +59,8 @@ asmlinkage void aesni_cbc_enc(struct crypto_aes_ctx *ctx, u8 *out,
 			      const u8 *in, unsigned int len, u8 *iv);
 asmlinkage void aesni_cbc_dec(struct crypto_aes_ctx *ctx, u8 *out,
 			      const u8 *in, unsigned int len, u8 *iv);
+asmlinkage void aesni_ctr_enc(struct crypto_aes_ctx *ctx, u8 *out,
+			      const u8 *in, unsigned int len, u8 *iv);
 
 static inline struct crypto_aes_ctx *aes_ctx(void *raw_ctx)
 {
@@ -321,6 +324,72 @@ static struct crypto_alg blk_cbc_alg = {
 	},
 };
 
+static void ctr_crypt_final(struct crypto_aes_ctx *ctx,
+			    struct blkcipher_walk *walk)
+{
+	u8 *ctrblk = walk->iv;
+	u8 keystream[AES_BLOCK_SIZE];
+	u8 *src = walk->src.virt.addr;
+	u8 *dst = walk->dst.virt.addr;
+	unsigned int nbytes = walk->nbytes;
+
+	aesni_enc(ctx, keystream, ctrblk);
+	crypto_xor(keystream, src, nbytes);
+	memcpy(dst, keystream, nbytes);
+	crypto_inc(ctrblk, AES_BLOCK_SIZE);
+}
+
+static int ctr_crypt(struct blkcipher_desc *desc,
+		     struct scatterlist *dst, struct scatterlist *src,
+		     unsigned int nbytes)
+{
+	struct crypto_aes_ctx *ctx = aes_ctx(crypto_blkcipher_ctx(desc->tfm));
+	struct blkcipher_walk walk;
+	int err;
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE);
+	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
+
+	kernel_fpu_begin();
+	while ((nbytes = walk.nbytes) >= AES_BLOCK_SIZE) {
+		aesni_ctr_enc(ctx, walk.dst.virt.addr, walk.src.virt.addr,
+			      nbytes & AES_BLOCK_MASK, walk.iv);
+		nbytes &= AES_BLOCK_SIZE - 1;
+		err = blkcipher_walk_done(desc, &walk, nbytes);
+	}
+	if (walk.nbytes) {
+		ctr_crypt_final(ctx, &walk);
+		err = blkcipher_walk_done(desc, &walk, 0);
+	}
+	kernel_fpu_end();
+
+	return err;
+}
+
+static struct crypto_alg blk_ctr_alg = {
+	.cra_name		= "__ctr-aes-aesni",
+	.cra_driver_name	= "__driver-ctr-aes-aesni",
+	.cra_priority		= 0,
+	.cra_flags		= CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		= 1,
+	.cra_ctxsize		= sizeof(struct crypto_aes_ctx)+AESNI_ALIGN-1,
+	.cra_alignmask		= 0,
+	.cra_type		= &crypto_blkcipher_type,
+	.cra_module		= THIS_MODULE,
+	.cra_list		= LIST_HEAD_INIT(blk_ctr_alg.cra_list),
+	.cra_u = {
+		.blkcipher = {
+			.min_keysize	= AES_MIN_KEY_SIZE,
+			.max_keysize	= AES_MAX_KEY_SIZE,
+			.ivsize		= AES_BLOCK_SIZE,
+			.setkey		= aes_set_key,
+			.encrypt	= ctr_crypt,
+			.decrypt	= ctr_crypt,
+		},
+	},
+};
+
 static int ablk_set_key(struct crypto_ablkcipher *tfm, const u8 *key,
 			unsigned int key_len)
 {
@@ -467,13 +536,11 @@ static struct crypto_alg ablk_cbc_alg = {
 	},
 };
 
-#ifdef HAS_CTR
 static int ablk_ctr_init(struct crypto_tfm *tfm)
 {
 	struct cryptd_ablkcipher *cryptd_tfm;
 
-	cryptd_tfm = cryptd_alloc_ablkcipher("fpu(ctr(__driver-aes-aesni))",
-					     0, 0);
+	cryptd_tfm = cryptd_alloc_ablkcipher("__driver-ctr-aes-aesni", 0, 0);
 	if (IS_ERR(cryptd_tfm))
 		return PTR_ERR(cryptd_tfm);
 	ablk_init_common(tfm, cryptd_tfm);
@@ -500,11 +567,50 @@ static struct crypto_alg ablk_ctr_alg = {
 			.ivsize		= AES_BLOCK_SIZE,
 			.setkey		= ablk_set_key,
 			.encrypt	= ablk_encrypt,
-			.decrypt	= ablk_decrypt,
+			.decrypt	= ablk_encrypt,
 			.geniv		= "chainiv",
 		},
 	},
 };
+
+#ifdef HAS_CTR
+static int ablk_rfc3686_ctr_init(struct crypto_tfm *tfm)
+{
+	struct cryptd_ablkcipher *cryptd_tfm;
+
+	cryptd_tfm = cryptd_alloc_ablkcipher(
+		"rfc3686(__driver-ctr-aes-aesni)", 0, 0);
+	if (IS_ERR(cryptd_tfm))
+		return PTR_ERR(cryptd_tfm);
+	ablk_init_common(tfm, cryptd_tfm);
+	return 0;
+}
+
+static struct crypto_alg ablk_rfc3686_ctr_alg = {
+	.cra_name		= "rfc3686(ctr(aes))",
+	.cra_driver_name	= "rfc3686-ctr-aes-aesni",
+	.cra_priority		= 400,
+	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER|CRYPTO_ALG_ASYNC,
+	.cra_blocksize		= 1,
+	.cra_ctxsize		= sizeof(struct async_aes_ctx),
+	.cra_alignmask		= 0,
+	.cra_type		= &crypto_ablkcipher_type,
+	.cra_module		= THIS_MODULE,
+	.cra_list		= LIST_HEAD_INIT(ablk_rfc3686_ctr_alg.cra_list),
+	.cra_init		= ablk_rfc3686_ctr_init,
+	.cra_exit		= ablk_exit,
+	.cra_u = {
+		.ablkcipher = {
+			.min_keysize = AES_MIN_KEY_SIZE+CTR_RFC3686_NONCE_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE+CTR_RFC3686_NONCE_SIZE,
+			.ivsize	     = CTR_RFC3686_IV_SIZE,
+			.setkey	     = ablk_set_key,
+			.encrypt     = ablk_encrypt,
+			.decrypt     = ablk_decrypt,
+			.geniv	     = "seqiv",
+		},
+	},
+};
 #endif
 
 #ifdef HAS_LRW
@@ -640,13 +746,17 @@ static int __init aesni_init(void)
 		goto blk_ecb_err;
 	if ((err = crypto_register_alg(&blk_cbc_alg)))
 		goto blk_cbc_err;
+	if ((err = crypto_register_alg(&blk_ctr_alg)))
+		goto blk_ctr_err;
 	if ((err = crypto_register_alg(&ablk_ecb_alg)))
 		goto ablk_ecb_err;
 	if ((err = crypto_register_alg(&ablk_cbc_alg)))
 		goto ablk_cbc_err;
-#ifdef HAS_CTR
 	if ((err = crypto_register_alg(&ablk_ctr_alg)))
 		goto ablk_ctr_err;
+#ifdef HAS_CTR
+	if ((err = crypto_register_alg(&ablk_rfc3686_ctr_alg)))
+		goto ablk_rfc3686_ctr_err;
 #endif
 #ifdef HAS_LRW
 	if ((err = crypto_register_alg(&ablk_lrw_alg)))
@@ -675,13 +785,17 @@ ablk_pcbc_err:
 ablk_lrw_err:
 #endif
 #ifdef HAS_CTR
+	crypto_unregister_alg(&ablk_rfc3686_ctr_alg);
+ablk_rfc3686_ctr_err:
+#endif
 	crypto_unregister_alg(&ablk_ctr_alg);
 ablk_ctr_err:
-#endif
 	crypto_unregister_alg(&ablk_cbc_alg);
 ablk_cbc_err:
 	crypto_unregister_alg(&ablk_ecb_alg);
 ablk_ecb_err:
+	crypto_unregister_alg(&blk_ctr_alg);
+blk_ctr_err:
 	crypto_unregister_alg(&blk_cbc_alg);
 blk_cbc_err:
 	crypto_unregister_alg(&blk_ecb_alg);
@@ -705,10 +819,12 @@ static void __exit aesni_exit(void)
 	crypto_unregister_alg(&ablk_lrw_alg);
 #endif
 #ifdef HAS_CTR
-	crypto_unregister_alg(&ablk_ctr_alg);
+	crypto_unregister_alg(&ablk_rfc3686_ctr_alg);
 #endif
+	crypto_unregister_alg(&ablk_ctr_alg);
 	crypto_unregister_alg(&ablk_cbc_alg);
 	crypto_unregister_alg(&ablk_ecb_alg);
+	crypto_unregister_alg(&blk_ctr_alg);
 	crypto_unregister_alg(&blk_cbc_alg);
 	crypto_unregister_alg(&blk_ecb_alg);
 	crypto_unregister_alg(&__aesni_alg);

From 18bcc9194da3c97e8f458fb1b06ac5b9b35fb23f Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Wed, 10 Mar 2010 18:30:32 +0800
Subject: [PATCH 0081/3638] crypto: tcrypt - Speed testing support for ghash

Because ghash needs setkey, the setkey and keysize template support
for test_hash_speed is added.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/tcrypt.c |  7 +++++++
 crypto/tcrypt.h | 29 +++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index aa3f84ccc78..0b7a8435255 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -437,6 +437,9 @@ static void test_hash_speed(const char *algo, unsigned int sec,
 			goto out;
 		}
 
+		if (speed[i].klen)
+			crypto_hash_setkey(tfm, tvmem[0], speed[i].klen);
+
 		printk(KERN_INFO "test%3u "
 		       "(%5u byte blocks,%5u bytes per update,%4u updates): ",
 		       i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
@@ -881,6 +884,10 @@ static int do_test(int m)
 		test_hash_speed("rmd320", sec, generic_hash_speed_template);
 		if (mode > 300 && mode < 400) break;
 
+	case 318:
+		test_hash_speed("ghash-generic", sec, hash_speed_template_16);
+		if (mode > 300 && mode < 400) break;
+
 	case 399:
 		break;
 
diff --git a/crypto/tcrypt.h b/crypto/tcrypt.h
index 966bbfaf95b..10cb925132c 100644
--- a/crypto/tcrypt.h
+++ b/crypto/tcrypt.h
@@ -25,6 +25,7 @@ struct cipher_speed_template {
 struct hash_speed {
 	unsigned int blen;	/* buffer length */
 	unsigned int plen;	/* per-update length */
+	unsigned int klen;	/* key length */
 };
 
 /*
@@ -83,4 +84,32 @@ static struct hash_speed generic_hash_speed_template[] = {
 	{  .blen = 0,	.plen = 0, }
 };
 
+static struct hash_speed hash_speed_template_16[] = {
+	{ .blen = 16,	.plen = 16,	.klen = 16, },
+	{ .blen = 64,	.plen = 16,	.klen = 16, },
+	{ .blen = 64,	.plen = 64,	.klen = 16, },
+	{ .blen = 256,	.plen = 16,	.klen = 16, },
+	{ .blen = 256,	.plen = 64,	.klen = 16, },
+	{ .blen = 256,	.plen = 256,	.klen = 16, },
+	{ .blen = 1024,	.plen = 16,	.klen = 16, },
+	{ .blen = 1024,	.plen = 256,	.klen = 16, },
+	{ .blen = 1024,	.plen = 1024,	.klen = 16, },
+	{ .blen = 2048,	.plen = 16,	.klen = 16, },
+	{ .blen = 2048,	.plen = 256,	.klen = 16, },
+	{ .blen = 2048,	.plen = 1024,	.klen = 16, },
+	{ .blen = 2048,	.plen = 2048,	.klen = 16, },
+	{ .blen = 4096,	.plen = 16,	.klen = 16, },
+	{ .blen = 4096,	.plen = 256,	.klen = 16, },
+	{ .blen = 4096,	.plen = 1024,	.klen = 16, },
+	{ .blen = 4096,	.plen = 4096,	.klen = 16, },
+	{ .blen = 8192,	.plen = 16,	.klen = 16, },
+	{ .blen = 8192,	.plen = 256,	.klen = 16, },
+	{ .blen = 8192,	.plen = 1024,	.klen = 16, },
+	{ .blen = 8192,	.plen = 4096,	.klen = 16, },
+	{ .blen = 8192,	.plen = 8192,	.klen = 16, },
+
+	/* End marker */
+	{  .blen = 0,	.plen = 0,	.klen = 0, }
+};
+
 #endif	/* _CRYPTO_TCRYPT_H */

From f696aa43fadb13a21c4e723fb6e51bf640dd1363 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Thu, 11 Mar 2010 09:10:32 -0800
Subject: [PATCH 0082/3638] mtd/nand/r852: fix build for CONFIG_PCI disabled

r852 fails to build when CONFIG_PCI is not enabled since it uses
pci_*() calls and is a PCI driver, so it should depend on PCI
to prevent build errors.
It should also #include <linux/pci.h>.

drivers/mtd/nand/r852.c:1053: error: implicit declaration of function 'pci_prepare_to_sleep'
drivers/mtd/nand/r852.c:1062: error: implicit declaration of function 'pci_back_from_sleep'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig | 1 +
 drivers/mtd/nand/r852.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 6701a00b7a9..226206e0623 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -105,6 +105,7 @@ config MTD_NAND_IDS
 config MTD_NAND_RICOH
 	tristate "Ricoh xD card reader"
 	default n
+	depends on PCI
 	select MTD_SM_COMMON
 	help
 	  Enable support for Ricoh R5C852 xD card reader
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index f5a0bc7adde..06f07bb414a 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -12,6 +12,7 @@
 #include <linux/jiffies.h>
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
+#include <linux/pci.h>
 #include <linux/pci_ids.h>
 #include <linux/delay.h>
 #include <asm/byteorder.h>

From 0c82d3ce2f479c728f99e228d9ae32a9cd853c5a Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Thu, 11 Mar 2010 09:25:14 -0800
Subject: [PATCH 0083/3638] mtd/nand/r852: Use pci_dma_mapping_error()

... instead of comparing with DMA_ERROR_CODE, which will only work on
powerpc/sparc/x86.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/r852.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 06f07bb414a..96bfbd8e8fd 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -197,7 +197,7 @@ static void r852_do_dma(struct r852_device *dev, uint8_t *buf, int do_read)
 			R852_DMA_LEN,
 			(do_read ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE));
 
-		if (dev->phys_dma_addr == DMA_ERROR_CODE)
+		if (pci_dma_mapping_error(dev->pci_dev, dev->phys_dma_addr))
 			bounce = 1;
 	}
 

From 32cbd7dfce93382a70f155bf539871b4c55bed29 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Sat, 13 Mar 2010 16:28:42 +0800
Subject: [PATCH 0084/3638] crypto: aesni-intel - Fix CTR optimization build
 failure with gas 2.16.1

Andrew Morton reported that AES-NI CTR optimization failed to compile
with gas 2.16.1, the error message is as follow:

arch/x86/crypto/aesni-intel_asm.S: Assembler messages:
arch/x86/crypto/aesni-intel_asm.S:752: Error: suffix or operands invalid for `movq'
arch/x86/crypto/aesni-intel_asm.S:753: Error: suffix or operands invalid for `movq'

To fix this, a gas macro is defined to assemble movq with 64bit
general purpose registers and XMM registers. The macro will generate
the raw .byte sequence for needed instructions.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 arch/x86/crypto/aesni-intel_asm.S |  4 +-
 arch/x86/include/asm/inst.h       | 96 ++++++++++++++++++++++++++++++-
 2 files changed, 95 insertions(+), 5 deletions(-)

diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index 822846a9eba..ff16756a51c 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -749,8 +749,8 @@ _aesni_inc_init:
 	movaps IV, CTR
 	PSHUFB_XMM BSWAP_MASK CTR
 	mov $1, TCTR_LOW
-	movq TCTR_LOW, INC
-	movq CTR, TCTR_LOW
+	MOVQ_R64_XMM TCTR_LOW INC
+	MOVQ_R64_XMM CTR TCTR_LOW
 	ret
 
 /*
diff --git a/arch/x86/include/asm/inst.h b/arch/x86/include/asm/inst.h
index 14cf526091f..840a399701b 100644
--- a/arch/x86/include/asm/inst.h
+++ b/arch/x86/include/asm/inst.h
@@ -7,7 +7,66 @@
 
 #ifdef __ASSEMBLY__
 
+#define REG_NUM_INVALID		100
+
+#define REG_TYPE_R64		0
+#define REG_TYPE_XMM		1
+#define REG_TYPE_INVALID	100
+
+	.macro R64_NUM opd r64
+	\opd = REG_NUM_INVALID
+	.ifc \r64,%rax
+	\opd = 0
+	.endif
+	.ifc \r64,%rcx
+	\opd = 1
+	.endif
+	.ifc \r64,%rdx
+	\opd = 2
+	.endif
+	.ifc \r64,%rbx
+	\opd = 3
+	.endif
+	.ifc \r64,%rsp
+	\opd = 4
+	.endif
+	.ifc \r64,%rbp
+	\opd = 5
+	.endif
+	.ifc \r64,%rsi
+	\opd = 6
+	.endif
+	.ifc \r64,%rdi
+	\opd = 7
+	.endif
+	.ifc \r64,%r8
+	\opd = 8
+	.endif
+	.ifc \r64,%r9
+	\opd = 9
+	.endif
+	.ifc \r64,%r10
+	\opd = 10
+	.endif
+	.ifc \r64,%r11
+	\opd = 11
+	.endif
+	.ifc \r64,%r12
+	\opd = 12
+	.endif
+	.ifc \r64,%r13
+	\opd = 13
+	.endif
+	.ifc \r64,%r14
+	\opd = 14
+	.endif
+	.ifc \r64,%r15
+	\opd = 15
+	.endif
+	.endm
+
 	.macro XMM_NUM opd xmm
+	\opd = REG_NUM_INVALID
 	.ifc \xmm,%xmm0
 	\opd = 0
 	.endif
@@ -58,13 +117,25 @@
 	.endif
 	.endm
 
+	.macro REG_TYPE type reg
+	R64_NUM reg_type_r64 \reg
+	XMM_NUM reg_type_xmm \reg
+	.if reg_type_r64 != REG_NUM_INVALID
+	\type = REG_TYPE_R64
+	.elseif reg_type_xmm != REG_NUM_INVALID
+	\type = REG_TYPE_XMM
+	.else
+	\type = REG_TYPE_INVALID
+	.endif
+	.endm
+
 	.macro PFX_OPD_SIZE
 	.byte 0x66
 	.endm
 
-	.macro PFX_REX opd1 opd2
-	.if (\opd1 | \opd2) & 8
-	.byte 0x40 | ((\opd1 & 8) >> 3) | ((\opd2 & 8) >> 1)
+	.macro PFX_REX opd1 opd2 W=0
+	.if ((\opd1 | \opd2) & 8) || \W
+	.byte 0x40 | ((\opd1 & 8) >> 3) | ((\opd2 & 8) >> 1) | (\W << 3)
 	.endif
 	.endm
 
@@ -145,6 +216,25 @@
 	.byte 0x0f, 0x38, 0xdf
 	MODRM 0xc0 aesdeclast_opd1 aesdeclast_opd2
 	.endm
+
+	.macro MOVQ_R64_XMM opd1 opd2
+	REG_TYPE movq_r64_xmm_opd1_type \opd1
+	.if movq_r64_xmm_opd1_type == REG_TYPE_XMM
+	XMM_NUM movq_r64_xmm_opd1 \opd1
+	R64_NUM movq_r64_xmm_opd2 \opd2
+	.else
+	R64_NUM movq_r64_xmm_opd1 \opd1
+	XMM_NUM movq_r64_xmm_opd2 \opd2
+	.endif
+	PFX_OPD_SIZE
+	PFX_REX movq_r64_xmm_opd1 movq_r64_xmm_opd2 1
+	.if movq_r64_xmm_opd1_type == REG_TYPE_XMM
+	.byte 0x0f, 0x7e
+	.else
+	.byte 0x0f, 0x6e
+	.endif
+	MODRM 0xc0 movq_r64_xmm_opd1 movq_r64_xmm_opd2
+	.endm
 #endif
 
 #endif

From 68ca406930d6380b3be7ada5f15fcf85bfcbd552 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Fri, 19 Feb 2010 00:09:22 -0500
Subject: [PATCH 0085/3638] ACPI: delete the "acpi=ht" boot option

acpi=ht was important in 2003 -- before ACPI was
universally deployed and enabled by default in
the major Linux distributions.

At that time, there were a fair number of people who
or chose to, or needed to, run with acpi=off,
yet also wanted access to Hyper-threading.

Today we find that many invocations of "acpi=ht"
are accidental, and thus is it possible that it
is doing more harm than good.

In 2.6.34, we warn on invocation of acpi=ht.
In 2.6.35, we delete the boot option.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/kernel-parameters.txt |  3 +--
 arch/ia64/include/asm/acpi.h        |  1 -
 arch/x86/include/asm/acpi.h         |  2 --
 arch/x86/kernel/acpi/boot.c         | 19 +++----------------
 arch/x86/lguest/boot.c              |  1 -
 drivers/acpi/tables.c               |  4 ++--
 6 files changed, 6 insertions(+), 24 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 3bc48b0bd3a..41b924ff0b5 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -143,11 +143,10 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	acpi=		[HW,ACPI,X86]
 			Advanced Configuration and Power Interface
-			Format: { force | off | ht | strict | noirq | rsdt }
+			Format: { force | off | strict | noirq | rsdt }
 			force -- enable ACPI if default was off
 			off -- disable ACPI if default was on
 			noirq -- do not use ACPI for IRQ routing
-			ht -- run only enough ACPI to enable Hyper Threading
 			strict -- Be less tolerant of platforms that are not
 				strictly ACPI specification compliant.
 			rsdt -- prefer RSDT over (default) XSDT
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index 21adbd7f90f..837dc82a013 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -94,7 +94,6 @@ ia64_acpi_release_global_lock (unsigned int *lock)
 #define acpi_noirq 0	/* ACPI always enabled on IA64 */
 #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
 #define acpi_strict 1	/* no ACPI spec workarounds on IA64 */
-#define acpi_ht 0	/* no HT-only mode on IA64 */
 #endif
 #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
 static inline void disable_acpi(void) { }
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 56f462cf22d..aa2c39d968f 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -85,7 +85,6 @@ extern int acpi_ioapic;
 extern int acpi_noirq;
 extern int acpi_strict;
 extern int acpi_disabled;
-extern int acpi_ht;
 extern int acpi_pci_disabled;
 extern int acpi_skip_timer_override;
 extern int acpi_use_timer_override;
@@ -97,7 +96,6 @@ void acpi_pic_sci_set_trigger(unsigned int, u16);
 static inline void disable_acpi(void)
 {
 	acpi_disabled = 1;
-	acpi_ht = 0;
 	acpi_pci_disabled = 1;
 	acpi_noirq = 1;
 }
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 7914ab0ad76..63bcf39f8f2 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -62,7 +62,6 @@ EXPORT_SYMBOL(acpi_disabled);
 int acpi_noirq;				/* skip ACPI IRQ initialization */
 int acpi_pci_disabled;		/* skip ACPI PCI scan and IRQ initialization */
 EXPORT_SYMBOL(acpi_pci_disabled);
-int acpi_ht __initdata = 1;	/* enable HT */
 
 int acpi_lapic;
 int acpi_ioapic;
@@ -1460,9 +1459,8 @@ void __init acpi_boot_table_init(void)
 
 	/*
 	 * If acpi_disabled, bail out
-	 * One exception: acpi=ht continues far enough to enumerate LAPICs
 	 */
-	if (acpi_disabled && !acpi_ht)
+	if (acpi_disabled)
 		return; 
 
 	/*
@@ -1493,9 +1491,8 @@ int __init early_acpi_boot_init(void)
 {
 	/*
 	 * If acpi_disabled, bail out
-	 * One exception: acpi=ht continues far enough to enumerate LAPICs
 	 */
-	if (acpi_disabled && !acpi_ht)
+	if (acpi_disabled)
 		return 1;
 
 	/*
@@ -1513,9 +1510,8 @@ int __init acpi_boot_init(void)
 
 	/*
 	 * If acpi_disabled, bail out
-	 * One exception: acpi=ht continues far enough to enumerate LAPICs
 	 */
-	if (acpi_disabled && !acpi_ht)
+	if (acpi_disabled)
 		return 1;
 
 	acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
@@ -1550,21 +1546,12 @@ static int __init parse_acpi(char *arg)
 	/* acpi=force to over-ride black-list */
 	else if (strcmp(arg, "force") == 0) {
 		acpi_force = 1;
-		acpi_ht = 1;
 		acpi_disabled = 0;
 	}
 	/* acpi=strict disables out-of-spec workarounds */
 	else if (strcmp(arg, "strict") == 0) {
 		acpi_strict = 1;
 	}
-	/* Limit ACPI just to boot-time to enable HT */
-	else if (strcmp(arg, "ht") == 0) {
-		if (!acpi_force) {
-			printk(KERN_WARNING "acpi=ht will be removed in Linux-2.6.35\n");
-			disable_acpi();
-		}
-		acpi_ht = 1;
-	}
 	/* acpi=rsdt use RSDT instead of XSDT */
 	else if (strcmp(arg, "rsdt") == 0) {
 		acpi_rsdt_forced = 1;
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 7e59dc1d3fc..8eb9eed6028 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1391,7 +1391,6 @@ __init void lguest_init(void)
 #endif
 #ifdef CONFIG_ACPI
 	acpi_disabled = 1;
-	acpi_ht = 0;
 #endif
 
 	/*
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 8a0ed2800e6..f336bca7c45 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -213,7 +213,7 @@ acpi_table_parse_entries(char *id,
 	unsigned long table_end;
 	acpi_size tbl_size;
 
-	if (acpi_disabled && !acpi_ht)
+	if (acpi_disabled)
 		return -ENODEV;
 
 	if (!handler)
@@ -280,7 +280,7 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
 	struct acpi_table_header *table = NULL;
 	acpi_size tbl_size;
 
-	if (acpi_disabled && !acpi_ht)
+	if (acpi_disabled)
 		return -ENODEV;
 
 	if (!handler)

From 4da361b69102cdffe73006771eae7504d2cb8736 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Mon, 15 Mar 2010 14:55:40 +0100
Subject: [PATCH 0086/3638] HID: register debugfs entries before adding device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Register debugfs entries before calling device_add() so debugfs entries are
already present when HID driver's probe function gets called on device hotplug.

Also undo debugfs entry registration if device_add() fails so status
HID_STAT_ADDED and debugfs registration status remain consistent and we don't
leak the debugfs entries.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 368fbb0c4ca..7396f47c79d 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1768,11 +1768,12 @@ int hid_add_device(struct hid_device *hdev)
 	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
 		     hdev->vendor, hdev->product, atomic_inc_return(&id));
 
+	hid_debug_register(hdev, dev_name(&hdev->dev));
 	ret = device_add(&hdev->dev);
 	if (!ret)
 		hdev->status |= HID_STAT_ADDED;
-
-	hid_debug_register(hdev, dev_name(&hdev->dev));
+	else
+		hid_debug_unregister(hdev);
 
 	return ret;
 }

From 3ed3dec1568d1232fcfb2aa8c5f9e3f38940c9d8 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Tue, 16 Mar 2010 05:48:08 +0900
Subject: [PATCH 0087/3638] fat: use pack_hex_byte() instead of custom one

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/fat/dir.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 530b4ca0151..20a1b92e035 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -19,6 +19,7 @@
 #include <linux/buffer_head.h>
 #include <linux/compat.h>
 #include <asm/uaccess.h>
+#include <linux/kernel.h>
 #include "fat.h"
 
 /*
@@ -140,28 +141,22 @@ static int uni16_to_x8(unsigned char *ascii, const wchar_t *uni, int len,
 {
 	const wchar_t *ip;
 	wchar_t ec;
-	unsigned char *op, nc;
+	unsigned char *op;
 	int charlen;
-	int k;
 
 	ip = uni;
 	op = ascii;
 
 	while (*ip && ((len - NLS_MAX_CHARSET_SIZE) > 0)) {
 		ec = *ip++;
-		if ( (charlen = nls->uni2char(ec, op, NLS_MAX_CHARSET_SIZE)) > 0) {
+		if ((charlen = nls->uni2char(ec, op, NLS_MAX_CHARSET_SIZE)) > 0) {
 			op += charlen;
 			len -= charlen;
 		} else {
 			if (uni_xlate == 1) {
-				*op = ':';
-				for (k = 4; k > 0; k--) {
-					nc = ec & 0xF;
-					op[k] = nc > 9	? nc + ('a' - 10)
-							: nc + '0';
-					ec >>= 4;
-				}
-				op += 5;
+				*op++ = ':';
+				op = pack_hex_byte(op, ec >> 8);
+				op = pack_hex_byte(op, ec);
 				len -= 5;
 			} else {
 				*op++ = '?';

From 1bdb6f9199def1c3538c18089e499f5df5ff1747 Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Tue, 16 Mar 2010 05:48:09 +0900
Subject: [PATCH 0088/3638] fat: Cleanup nls_unload() usage

Other users doesn't check NULL explicitly. So, these doesn't also
check to remove inconsistency.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/fat/inode.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 0ce143bd7d5..c611818893b 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1497,10 +1497,8 @@ out_fail:
 		iput(fat_inode);
 	if (root_inode)
 		iput(root_inode);
-	if (sbi->nls_io)
-		unload_nls(sbi->nls_io);
-	if (sbi->nls_disk)
-		unload_nls(sbi->nls_disk);
+	unload_nls(sbi->nls_io);
+	unload_nls(sbi->nls_disk);
 	if (sbi->options.iocharset != fat_default_iocharset)
 		kfree(sbi->options.iocharset);
 	sb->s_fs_info = NULL;

From 59d2334ac9f4255f5f8f3e4e1bf41653e0bba99e Mon Sep 17 00:00:00 2001
From: Przemo Firszt <przemo@firszt.eu>
Date: Mon, 15 Mar 2010 19:16:23 +0000
Subject: [PATCH 0089/3638] HID: expose wacom pen tablet battery through
 power_supply class

This patch exposes wacom pen tablet battery capacity and ac state thru
power_supply class is sysfs.

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig     |   8 +++
 drivers/hid/hid-wacom.c | 127 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 135 insertions(+)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 71d4c070362..8e1b505b5bf 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -357,6 +357,14 @@ config HID_WACOM
 	---help---
 	Support for Wacom Graphire Bluetooth tablet.
 
+config HID_WACOM_POWER_SUPPLY
+	bool "Wacom Bluetooth devices power supply status support"
+	depends on HID_WACOM
+	select POWER_SUPPLY
+	---help---
+	  Say Y here if you want to enable power supply status monitoring for
+	  Wacom Bluetooth devices.
+
 config HID_ZEROPLUS
 	tristate "Zeroplus based game controller support" if EMBEDDED
 	depends on USB_HID
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 8d3b46f5d14..4d2d2a2e1a5 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -21,14 +21,88 @@
 #include <linux/device.h>
 #include <linux/hid.h>
 #include <linux/module.h>
+#ifdef CONFIG_HID_WACOM_POWER_SUPPLY
+#include <linux/power_supply.h>
+#endif
 
 #include "hid-ids.h"
 
 struct wacom_data {
 	__u16 tool;
 	unsigned char butstate;
+#ifdef CONFIG_HID_WACOM_POWER_SUPPLY
+	int battery_capacity;
+	struct power_supply battery;
+	struct power_supply ac;
+#endif
 };
 
+#ifdef CONFIG_HID_WACOM_POWER_SUPPLY
+/*percent of battery capacity, 0 means AC online*/
+static unsigned short batcap[8] = { 1, 15, 25, 35, 50, 70, 100, 0 };
+
+static enum power_supply_property wacom_battery_props[] = {
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_CAPACITY
+};
+
+static enum power_supply_property wacom_ac_props[] = {
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_ONLINE
+};
+
+static int wacom_battery_get_property(struct power_supply *psy,
+				enum power_supply_property psp,
+				union power_supply_propval *val)
+{
+	struct wacom_data *wdata = container_of(psy,
+					struct wacom_data, battery);
+	int power_state = batcap[wdata->battery_capacity];
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = 1;
+		break;
+	case POWER_SUPPLY_PROP_CAPACITY:
+		/* show 100% battery capacity when charging */
+		if (power_state == 0)
+			val->intval = 100;
+		else
+			val->intval = power_state;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int wacom_ac_get_property(struct power_supply *psy,
+				enum power_supply_property psp,
+				union power_supply_propval *val)
+{
+	struct wacom_data *wdata = container_of(psy, struct wacom_data, ac);
+	int power_state = batcap[wdata->battery_capacity];
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_PRESENT:
+		/* fall through */
+	case POWER_SUPPLY_PROP_ONLINE:
+		if (power_state == 0)
+			val->intval = 1;
+		else
+			val->intval = 0;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+#endif
+
 static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
 		u8 *raw_data, int size)
 {
@@ -147,6 +221,12 @@ static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
 		input_sync(input);
 	}
 
+#ifdef CONFIG_HID_WACOM_POWER_SUPPLY
+	/* Store current battery capacity */
+	rw = (data[7] >> 2 & 0x07);
+	if (rw != wdata->battery_capacity)
+		wdata->battery_capacity = rw;
+#endif
 	return 1;
 }
 
@@ -206,6 +286,45 @@ static int wacom_probe(struct hid_device *hdev,
 	if (ret < 0)
 		dev_warn(&hdev->dev, "failed to poke device #2, %d\n", ret);
 
+#ifdef CONFIG_HID_WACOM_POWER_SUPPLY
+	wdata->battery.properties = wacom_battery_props;
+	wdata->battery.num_properties = ARRAY_SIZE(wacom_battery_props);
+	wdata->battery.get_property = wacom_battery_get_property;
+	wdata->battery.name = "wacom_battery";
+	wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY;
+	wdata->battery.use_for_apm = 0;
+
+	ret = power_supply_register(&hdev->dev, &wdata->battery);
+	if (ret) {
+		dev_warn(&hdev->dev,
+			"can't create sysfs battery attribute, err: %d\n", ret);
+		/*
+		 * battery attribute is not critical for the tablet, but if it
+		 * failed then there is no need to create ac attribute
+		 */
+		goto move_on;
+	}
+
+	wdata->ac.properties = wacom_ac_props;
+	wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props);
+	wdata->ac.get_property = wacom_ac_get_property;
+	wdata->ac.name = "wacom_ac";
+	wdata->ac.type = POWER_SUPPLY_TYPE_MAINS;
+	wdata->ac.use_for_apm = 0;
+
+	ret = power_supply_register(&hdev->dev, &wdata->ac);
+	if (ret) {
+		dev_warn(&hdev->dev,
+			"can't create ac battery attribute, err: %d\n", ret);
+		/*
+		 * ac attribute is not critical for the tablet, but if it
+		 * failed then we don't want to battery attribute to exist
+		 */
+		power_supply_unregister(&wdata->battery);
+	}
+
+move_on:
+#endif
 	hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
 	input = hidinput->input;
 
@@ -250,7 +369,15 @@ err_free:
 
 static void wacom_remove(struct hid_device *hdev)
 {
+#ifdef CONFIG_HID_WACOM_POWER_SUPPLY
+	struct wacom_data *wdata = hid_get_drvdata(hdev);
+#endif
 	hid_hw_stop(hdev);
+
+#ifdef CONFIG_HID_WACOM_POWER_SUPPLY
+	power_supply_unregister(&wdata->battery);
+	power_supply_unregister(&wdata->ac);
+#endif
 	kfree(hid_get_drvdata(hdev));
 }
 

From 42c259193ef3934733e300fefd3f0d0bb3576f3f Mon Sep 17 00:00:00 2001
From: Matteo Croce <matteo@openwrt.org>
Date: Wed, 20 Jan 2010 16:29:18 +0100
Subject: [PATCH 0090/3638] mtd: small typo in Makefile

Cosmetic fix: the path in the Makefile is wrong

Signed-off-by: Matteo Croce <matteo@teknoraver.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/devices/Makefile b/drivers/mtd/devices/Makefile
index ab5c9b92ac8..f3226b1d38f 100644
--- a/drivers/mtd/devices/Makefile
+++ b/drivers/mtd/devices/Makefile
@@ -1,5 +1,5 @@
 #
-# linux/drivers/devices/Makefile
+# linux/drivers/mtd/devices/Makefile
 #
 
 obj-$(CONFIG_MTD_DOC2000)	+= doc2000.o

From 4cbe4249d6586d5d88ef271e07302407a14c8443 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Tue, 13 Apr 2010 14:26:12 +0800
Subject: [PATCH 0091/3638] ocfs2: Define data structures for discontiguous
 block groups.

Defines the OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG feature bit and modifies
struct ocfs2_group_desc for the feature.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/localalloc.c |  2 +-
 fs/ocfs2/ocfs2_fs.h   | 53 +++++++++++++++++++++++++++++++++++++------
 fs/ocfs2/resize.c     |  4 ++--
 fs/ocfs2/suballoc.c   |  2 +-
 fs/ocfs2/super.c      |  2 +-
 5 files changed, 51 insertions(+), 12 deletions(-)

diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 63c41e20679..9538bbe028d 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -122,7 +122,7 @@ unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb)
 	struct super_block *sb = osb->sb;
 
 	gd_mb = ocfs2_clusters_to_megabytes(osb->sb,
-					    8 * ocfs2_group_bitmap_size(sb));
+					    8 * ocfs2_group_bitmap_size(sb, 0));
 
 	/*
 	 * This takes care of files systems with very small group
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index d61a1521b10..448aa8d11a9 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -165,6 +165,9 @@
 /* Refcount tree support */
 #define OCFS2_FEATURE_INCOMPAT_REFCOUNT_TREE	0x1000
 
+/* Discontigous block groups */
+#define OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG	0x2000
+
 /*
  * backup superblock flag is used to indicate that this volume
  * has backup superblocks.
@@ -831,6 +834,13 @@ struct ocfs2_dx_leaf {
 	struct ocfs2_dx_entry_list	dl_list;
 };
 
+/*
+ * Largest bitmap for a block (suballocator) group in bytes.  This limit
+ * does not affect cluster groups (global allocator).  Cluster group
+ * bitmaps run to the end of the block.
+ */
+#define OCFS2_MAX_BG_BITMAP_SIZE	256
+
 /*
  * On disk allocator group structure for OCFS2
  */
@@ -852,7 +862,29 @@ struct ocfs2_group_desc
 	__le64   bg_blkno;               /* Offset on disk, in blocks */
 /*30*/	struct ocfs2_block_check bg_check;	/* Error checking */
 	__le64   bg_reserved2;
-/*40*/	__u8    bg_bitmap[0];
+/*40*/	union {
+		__u8    bg_bitmap[0];
+		struct {
+			/*
+			 * Block groups may be discontiguous when
+			 * OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG is set.
+			 * The extents of a discontigous block group are
+			 * stored in bg_list.  It is a flat list.
+			 * l_tree_depth must always be zero.  A
+			 * discontiguous group is signified by a non-zero
+			 * bg_list->l_next_free_rec.  Only block groups
+			 * can be discontiguous; Cluster groups cannot.
+			 * We've never made a block group with more than
+			 * 2048 blocks (256 bytes of bg_bitmap).  This
+			 * codifies that limit so that we can fit bg_list.
+			 * bg_size of a discontiguous block group will
+			 * be 256 to match bg_bitmap_filler.
+			 */
+			__u8 bg_bitmap_filler[OCFS2_MAX_BG_BITMAP_SIZE];
+/*140*/			struct ocfs2_extent_list bg_list;
+		};
+	};
+/* Actual on-disk size is one block */
 };
 
 struct ocfs2_refcount_rec {
@@ -1276,12 +1308,16 @@ static inline u16 ocfs2_local_alloc_size(struct super_block *sb)
 	return size;
 }
 
-static inline int ocfs2_group_bitmap_size(struct super_block *sb)
+static inline int ocfs2_group_bitmap_size(struct super_block *sb,
+					  int suballocator)
 {
 	int size;
 
-	size = sb->s_blocksize -
-		offsetof(struct ocfs2_group_desc, bg_bitmap);
+	if (suballocator)
+		size = OCFS2_MAX_BG_BITMAP_SIZE;
+	else
+		size = sb->s_blocksize -
+			offsetof(struct ocfs2_group_desc, bg_bitmap);
 
 	return size;
 }
@@ -1404,12 +1440,15 @@ static inline int ocfs2_local_alloc_size(int blocksize)
 	return size;
 }
 
-static inline int ocfs2_group_bitmap_size(int blocksize)
+static inline int ocfs2_group_bitmap_size(int blocksize, int suballocator)
 {
 	int size;
 
-	size = blocksize -
-		offsetof(struct ocfs2_group_desc, bg_bitmap);
+	if (suballocator)
+		size = OCFS2_MAX_BG_BITMAP_SIZE;
+	else
+		size = blocksize -
+			offsetof(struct ocfs2_group_desc, bg_bitmap);
 
 	return size;
 }
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index a821f667b5c..5bbfc123781 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -315,7 +315,7 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters)
 	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
 
 	if (le16_to_cpu(fe->id2.i_chain.cl_cpg) !=
-				 ocfs2_group_bitmap_size(osb->sb) * 8) {
+				 ocfs2_group_bitmap_size(osb->sb, 0) * 8) {
 		mlog(ML_ERROR, "The disk is too old and small. "
 		     "Force to do offline resize.");
 		ret = -EINVAL;
@@ -496,7 +496,7 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input)
 	fe = (struct ocfs2_dinode *)main_bm_bh->b_data;
 
 	if (le16_to_cpu(fe->id2.i_chain.cl_cpg) !=
-				 ocfs2_group_bitmap_size(osb->sb) * 8) {
+				 ocfs2_group_bitmap_size(osb->sb, 0) * 8) {
 		mlog(ML_ERROR, "The disk is too old and small."
 		     " Force to do offline resize.");
 		ret = -EINVAL;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 667d622b365..1070f79fa06 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -360,7 +360,7 @@ static int ocfs2_block_group_fill(handle_t *handle,
 	memset(bg, 0, sb->s_blocksize);
 	strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE);
 	bg->bg_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);
-	bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb));
+	bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1));
 	bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl));
 	bg->bg_chain = cpu_to_le16(my_chain);
 	bg->bg_next_group = cl->cl_recs[my_chain].c_blkno;
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 12c2203a62f..59930ee4fe2 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2277,7 +2277,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
 	osb->osb_clusters_at_boot = OCFS2_I(inode)->ip_clusters;
 	iput(inode);
 
-	osb->bitmap_cpg = ocfs2_group_bitmap_size(sb) * 8;
+	osb->bitmap_cpg = ocfs2_group_bitmap_size(sb, 0) * 8;
 
 	status = ocfs2_init_slot_info(osb);
 	if (status < 0) {

From 798db35f4649eac2778381c390ed7d12de9ec767 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Tue, 13 Apr 2010 14:26:32 +0800
Subject: [PATCH 0092/3638] ocfs2: Allocate discontiguous block groups.

If we cannot get a contiguous region for a block group, allocate a
discontiguous one when the filesystem supports it.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/ocfs2.h    |   7 +
 fs/ocfs2/ocfs2_fs.h |  20 +++
 fs/ocfs2/suballoc.c | 304 ++++++++++++++++++++++++++++++++++++++------
 3 files changed, 291 insertions(+), 40 deletions(-)

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index a388528f485..d389f2714c9 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -491,6 +491,13 @@ static inline int ocfs2_supports_indexed_dirs(struct ocfs2_super *osb)
 	return 0;
 }
 
+static inline int ocfs2_supports_discontig_bh(struct ocfs2_super *osb)
+{
+	if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG)
+		return 1;
+	return 0;
+}
+
 static inline unsigned int ocfs2_link_max(struct ocfs2_super *osb)
 {
 	if (ocfs2_supports_indexed_dirs(osb))
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 448aa8d11a9..888ba4ec42c 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -1278,6 +1278,16 @@ static inline u16 ocfs2_extent_recs_per_eb(struct super_block *sb)
 	return size / sizeof(struct ocfs2_extent_rec);
 }
 
+static inline u16 ocfs2_extent_recs_per_gd(struct super_block *sb)
+{
+	int size;
+
+	size = sb->s_blocksize -
+		offsetof(struct ocfs2_group_desc, bg_list.l_recs);
+
+	return size / sizeof(struct ocfs2_extent_rec);
+}
+
 static inline int ocfs2_dx_entries_per_leaf(struct super_block *sb)
 {
 	int size;
@@ -1430,6 +1440,16 @@ static inline int ocfs2_extent_recs_per_eb(int blocksize)
 	return size / sizeof(struct ocfs2_extent_rec);
 }
 
+static inline int ocfs2_extent_recs_per_gd(int blocksize)
+{
+	int size;
+
+	size = blocksize -
+		offsetof(struct ocfs2_group_desc, bg_list.l_recs);
+
+	return size / sizeof(struct ocfs2_extent_rec);
+}
+
 static inline int ocfs2_local_alloc_size(int blocksize)
 {
 	int size;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 1070f79fa06..2f753954a7a 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -60,6 +60,7 @@ static int ocfs2_block_group_fill(handle_t *handle,
 				  struct inode *alloc_inode,
 				  struct buffer_head *bg_bh,
 				  u64 group_blkno,
+				  unsigned int group_clusters,
 				  u16 my_chain,
 				  struct ocfs2_chain_list *cl);
 static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
@@ -326,14 +327,36 @@ out:
 	return rc;
 }
 
+static void ocfs2_bg_discontig_add_extent(struct ocfs2_super *osb,
+					  struct ocfs2_group_desc *bg,
+					  struct ocfs2_chain_list *cl,
+					  u64 p_blkno, u32 clusters)
+{
+	struct ocfs2_extent_list *el = &bg->bg_list;
+	struct ocfs2_extent_rec *rec;
+
+	BUG_ON(!ocfs2_supports_discontig_bh(osb));
+	if (!el->l_next_free_rec)
+		el->l_count = cpu_to_le16(ocfs2_extent_recs_per_gd(osb->sb));
+	rec = &el->l_recs[le16_to_cpu(el->l_next_free_rec)];
+	rec->e_blkno = p_blkno;
+	rec->e_cpos = cpu_to_le32(le16_to_cpu(bg->bg_bits) /
+				  le16_to_cpu(cl->cl_bpc));
+	rec->e_leaf_clusters = cpu_to_le32(clusters);
+	le16_add_cpu(&bg->bg_bits, clusters * le16_to_cpu(cl->cl_bpc));
+	le16_add_cpu(&el->l_next_free_rec, 1);
+}
+
 static int ocfs2_block_group_fill(handle_t *handle,
 				  struct inode *alloc_inode,
 				  struct buffer_head *bg_bh,
 				  u64 group_blkno,
+				  unsigned int group_clusters,
 				  u16 my_chain,
 				  struct ocfs2_chain_list *cl)
 {
 	int status = 0;
+	struct ocfs2_super *osb = OCFS2_SB(alloc_inode->i_sb);
 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
 	struct super_block * sb = alloc_inode->i_sb;
 
@@ -361,11 +384,16 @@ static int ocfs2_block_group_fill(handle_t *handle,
 	strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE);
 	bg->bg_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);
 	bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1));
-	bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl));
 	bg->bg_chain = cpu_to_le16(my_chain);
 	bg->bg_next_group = cl->cl_recs[my_chain].c_blkno;
 	bg->bg_parent_dinode = cpu_to_le64(OCFS2_I(alloc_inode)->ip_blkno);
 	bg->bg_blkno = cpu_to_le64(group_blkno);
+	if (group_clusters == le16_to_cpu(cl->cl_cpg))
+		bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl));
+	else
+		ocfs2_bg_discontig_add_extent(osb, bg, cl, bg->bg_blkno,
+					      group_clusters);
+
 	/* set the 1st bit in the bitmap to account for the descriptor block */
 	ocfs2_set_bit(0, (unsigned long *)bg->bg_bitmap);
 	bg->bg_free_bits_count = cpu_to_le16(le16_to_cpu(bg->bg_bits) - 1);
@@ -396,6 +424,218 @@ static inline u16 ocfs2_find_smallest_chain(struct ocfs2_chain_list *cl)
 	return best;
 }
 
+static struct buffer_head *
+ocfs2_block_group_alloc_contig(struct ocfs2_super *osb, handle_t *handle,
+			       struct inode *alloc_inode,
+			       struct ocfs2_alloc_context *ac,
+			       struct ocfs2_chain_list *cl)
+{
+	int status;
+	u32 bit_off, num_bits;
+	u64 bg_blkno;
+	struct buffer_head *bg_bh;
+	unsigned int alloc_rec = ocfs2_find_smallest_chain(cl);
+
+	status = ocfs2_claim_clusters(osb, handle, ac,
+				      le16_to_cpu(cl->cl_cpg), &bit_off,
+				      &num_bits);
+	if (status < 0) {
+		if (status != -ENOSPC)
+			mlog_errno(status);
+		goto bail;
+	}
+
+	/* setup the group */
+	bg_blkno = ocfs2_clusters_to_blocks(osb->sb, bit_off);
+	mlog(0, "new descriptor, record %u, at block %llu\n",
+	     alloc_rec, (unsigned long long)bg_blkno);
+
+	bg_bh = sb_getblk(osb->sb, bg_blkno);
+	if (!bg_bh) {
+		status = -EIO;
+		mlog_errno(status);
+		goto bail;
+	}
+	ocfs2_set_new_buffer_uptodate(INODE_CACHE(alloc_inode), bg_bh);
+
+	status = ocfs2_block_group_fill(handle, alloc_inode, bg_bh,
+					bg_blkno, num_bits, alloc_rec, cl);
+	if (status < 0) {
+		brelse(bg_bh);
+		mlog_errno(status);
+	}
+
+bail:
+	return status ? ERR_PTR(status) : bg_bh;
+}
+
+static int ocfs2_block_group_claim_bits(struct ocfs2_super *osb,
+					handle_t *handle,
+					struct ocfs2_alloc_context *ac,
+					unsigned int min_bits,
+					u32 *bit_off, u32 *num_bits)
+{
+	int status;
+
+	while (min_bits) {
+		status = ocfs2_claim_clusters(osb, handle, ac, min_bits,
+					      bit_off, num_bits);
+		if (status != -ENOSPC)
+			break;
+
+		min_bits >>= 1;
+	}
+
+	return status;
+}
+
+static int ocfs2_block_group_grow_discontig(handle_t *handle,
+					    struct inode *alloc_inode,
+					    struct buffer_head *bg_bh,
+					    struct ocfs2_alloc_context *ac,
+					    struct ocfs2_chain_list *cl,
+					    unsigned int min_bits)
+{
+	int status;
+	struct ocfs2_super *osb = OCFS2_SB(alloc_inode->i_sb);
+	struct ocfs2_group_desc *bg =
+		(struct ocfs2_group_desc *)bg_bh->b_data;
+	unsigned int needed =
+		ocfs2_bits_per_group(cl) - le16_to_cpu(bg->bg_bits);
+	u32 p_cpos, clusters;
+	u64 p_blkno;
+	struct ocfs2_extent_list *el = &bg->bg_list;
+
+	status = ocfs2_journal_access_gd(handle,
+					 INODE_CACHE(alloc_inode),
+					 bg_bh,
+					 OCFS2_JOURNAL_ACCESS_CREATE);
+	if (status < 0) {
+		mlog_errno(status);
+		goto bail;
+	}
+
+	while ((needed > 0) && (le16_to_cpu(el->l_next_free_rec) <
+				le16_to_cpu(el->l_count))) {
+		status = ocfs2_extend_trans(handle, OCFS2_SUBALLOC_ALLOC);
+		if (status) {
+			mlog_errno(status);
+			goto bail;
+		}
+
+		if (min_bits > needed)
+			min_bits = needed;
+		status = ocfs2_block_group_claim_bits(osb, handle, ac,
+						      min_bits, &p_cpos,
+						      &clusters);
+		if (status < 0) {
+			if (status != -ENOSPC)
+				mlog_errno(status);
+			goto bail;
+		}
+		p_blkno = ocfs2_clusters_to_blocks(osb->sb, p_cpos);
+		ocfs2_bg_discontig_add_extent(osb, bg, cl, p_blkno,
+					      clusters);
+
+		min_bits = clusters;
+		needed = ocfs2_bits_per_group(cl) - le16_to_cpu(bg->bg_bits);
+	}
+
+	if (needed > 0) {
+	}
+
+	ocfs2_journal_dirty(handle, bg_bh);
+
+bail:
+	return status;
+}
+
+static void ocfs2_bg_alloc_cleanup(struct inode *alloc_inode,
+				   struct buffer_head *bg_bh,
+				   struct ocfs2_cached_dealloc_ctxt *dealloc)
+{
+	int i;
+	struct ocfs2_group_desc *bg;
+	struct ocfs2_extent_list *el;
+	struct ocfs2_extent_rec *rec;
+
+	if (!bg_bh)
+		return;
+
+	bg = (struct ocfs2_group_desc *)bg_bh->b_data;
+	el = &bg->bg_list;
+	for (i = 0; i < le16_to_cpu(el->l_next_free_rec); i++) {
+		rec = &el->l_recs[i];
+		ocfs2_cache_cluster_dealloc(dealloc,
+					    le64_to_cpu(rec->e_blkno),
+					    le32_to_cpu(rec->e_leaf_clusters));
+	}
+
+	ocfs2_remove_from_cache(INODE_CACHE(alloc_inode), bg_bh);
+	brelse(bg_bh);
+}
+
+static struct buffer_head *
+ocfs2_block_group_alloc_discontig(handle_t *handle,
+				  struct inode *alloc_inode,
+				  struct ocfs2_alloc_context *ac,
+				  struct ocfs2_chain_list *cl,
+				  struct ocfs2_cached_dealloc_ctxt *dealloc)
+{
+	int status;
+	u32 bit_off, num_bits;
+	u64 bg_blkno;
+	unsigned int min_bits = le16_to_cpu(cl->cl_cpg) >> 1;
+	struct buffer_head *bg_bh = NULL;
+	unsigned int alloc_rec = ocfs2_find_smallest_chain(cl);
+	struct ocfs2_super *osb = OCFS2_SB(alloc_inode->i_sb);
+
+	if (!ocfs2_supports_discontig_bh(osb)) {
+		status = -ENOSPC;
+		goto bail;
+	}
+
+	/* Claim the first region */
+	status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits,
+					      &bit_off, &num_bits);
+	if (status < 0) {
+		if (status != -ENOSPC)
+			mlog_errno(status);
+		goto bail;
+	}
+	min_bits = num_bits;
+
+	/* setup the group */
+	bg_blkno = ocfs2_clusters_to_blocks(osb->sb, bit_off);
+	mlog(0, "new descriptor, record %u, at block %llu\n",
+	     alloc_rec, (unsigned long long)bg_blkno);
+
+	bg_bh = sb_getblk(osb->sb, bg_blkno);
+	if (!bg_bh) {
+		status = -EIO;
+		mlog_errno(status);
+		goto bail;
+	}
+	ocfs2_set_new_buffer_uptodate(INODE_CACHE(alloc_inode), bg_bh);
+
+	status = ocfs2_block_group_fill(handle, alloc_inode, bg_bh,
+					bg_blkno, num_bits, alloc_rec, cl);
+	if (status < 0) {
+		mlog_errno(status);
+		goto bail;
+	}
+
+	status = ocfs2_block_group_grow_discontig(handle, alloc_inode,
+						  bg_bh, ac, cl, min_bits);
+	if (status)
+		mlog_errno(status);
+
+bail:
+	if (status)
+		ocfs2_bg_alloc_cleanup(alloc_inode, bg_bh, dealloc);
+	return status ? ERR_PTR(status) : bg_bh;
+}
+
 /*
  * We expect the block group allocator to already be locked.
  */
@@ -411,16 +651,17 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 	struct ocfs2_chain_list *cl;
 	struct ocfs2_alloc_context *ac = NULL;
 	handle_t *handle = NULL;
-	u32 bit_off, num_bits;
-	u16 alloc_rec;
 	u64 bg_blkno;
 	struct buffer_head *bg_bh = NULL;
 	struct ocfs2_group_desc *bg;
+	struct ocfs2_cached_dealloc_ctxt dealloc;
 
 	BUG_ON(ocfs2_is_cluster_bitmap(alloc_inode));
 
 	mlog_entry_void();
 
+	ocfs2_init_dealloc_ctxt(&dealloc);
+
 	cl = &fe->id2.i_chain;
 	status = ocfs2_reserve_clusters_with_limit(osb,
 						   le16_to_cpu(cl->cl_cpg),
@@ -446,44 +687,21 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 		     (unsigned long long)*last_alloc_group);
 		ac->ac_last_group = *last_alloc_group;
 	}
-	status = ocfs2_claim_clusters(osb,
-				      handle,
-				      ac,
-				      le16_to_cpu(cl->cl_cpg),
-				      &bit_off,
-				      &num_bits);
-	if (status < 0) {
+
+	bg_bh = ocfs2_block_group_alloc_contig(osb, handle, alloc_inode,
+					       ac, cl);
+	if (IS_ERR(bg_bh) && (PTR_ERR(bg_bh) == -ENOSPC))
+		bg_bh = ocfs2_block_group_alloc_discontig(handle,
+							  alloc_inode,
+							  ac, cl,
+							  &dealloc);
+	if (IS_ERR(bg_bh)) {
+		status = PTR_ERR(bg_bh);
+		bg_bh = NULL;
 		if (status != -ENOSPC)
 			mlog_errno(status);
 		goto bail;
 	}
-
-	alloc_rec = ocfs2_find_smallest_chain(cl);
-
-	/* setup the group */
-	bg_blkno = ocfs2_clusters_to_blocks(osb->sb, bit_off);
-	mlog(0, "new descriptor, record %u, at block %llu\n",
-	     alloc_rec, (unsigned long long)bg_blkno);
-
-	bg_bh = sb_getblk(osb->sb, bg_blkno);
-	if (!bg_bh) {
-		status = -EIO;
-		mlog_errno(status);
-		goto bail;
-	}
-	ocfs2_set_new_buffer_uptodate(INODE_CACHE(alloc_inode), bg_bh);
-
-	status = ocfs2_block_group_fill(handle,
-					alloc_inode,
-					bg_bh,
-					bg_blkno,
-					alloc_rec,
-					cl);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
-
 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;
 
 	status = ocfs2_journal_access_di(handle, INODE_CACHE(alloc_inode),
@@ -493,10 +711,11 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 		goto bail;
 	}
 
-	le32_add_cpu(&cl->cl_recs[alloc_rec].c_free,
+	le32_add_cpu(&cl->cl_recs[bg->bg_chain].c_free,
 		     le16_to_cpu(bg->bg_free_bits_count));
-	le32_add_cpu(&cl->cl_recs[alloc_rec].c_total, le16_to_cpu(bg->bg_bits));
-	cl->cl_recs[alloc_rec].c_blkno  = cpu_to_le64(bg_blkno);
+	le32_add_cpu(&cl->cl_recs[bg->bg_chain].c_total,
+		     le16_to_cpu(bg->bg_bits));
+	cl->cl_recs[bg->bg_chain].c_blkno  = cpu_to_le64(bg_blkno);
 	if (le16_to_cpu(cl->cl_next_free_rec) < le16_to_cpu(cl->cl_count))
 		le16_add_cpu(&cl->cl_next_free_rec, 1);
 
@@ -525,6 +744,11 @@ bail:
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
 
+	if (ocfs2_dealloc_has_cluster(&dealloc)) {
+		ocfs2_schedule_truncate_log_flush(osb, 1);
+		ocfs2_run_deallocs(osb, &dealloc);
+	}
+
 	if (ac)
 		ocfs2_free_alloc_context(ac);
 

From 7d1fe093bf04124dcc50c5dde1765bd098464bfa Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Tue, 13 Apr 2010 14:30:19 +0800
Subject: [PATCH 0093/3638] ocfs2: Pass suballocation results back via a
 structure.

We're going to be adding more info to a suballocator allocation.  Rather
than growing every function in the chain, let's pass a result structure
around.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/suballoc.c | 165 ++++++++++++++++++--------------------------
 fs/ocfs2/suballoc.h |   5 +-
 2 files changed, 72 insertions(+), 98 deletions(-)

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 2f753954a7a..3d823cffc62 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -53,6 +53,12 @@
 
 #define OCFS2_MAX_TO_STEAL		1024
 
+struct ocfs2_suballoc_result {
+	u64		sr_bg_blkno;	/* The bg we allocated from */
+	unsigned int	sr_bit_offset;	/* The bit in the bg */
+	unsigned int	sr_bits;	/* How many bits we claimed */
+};
+
 static inline void ocfs2_debug_bg(struct ocfs2_group_desc *bg);
 static inline void ocfs2_debug_suballoc_inode(struct ocfs2_dinode *fe);
 static inline u16 ocfs2_find_victim_chain(struct ocfs2_chain_list *cl);
@@ -74,20 +80,18 @@ static int ocfs2_cluster_group_search(struct inode *inode,
 				      struct buffer_head *group_bh,
 				      u32 bits_wanted, u32 min_bits,
 				      u64 max_block,
-				      u16 *bit_off, u16 *bits_found);
+				      struct ocfs2_suballoc_result *res);
 static int ocfs2_block_group_search(struct inode *inode,
 				    struct buffer_head *group_bh,
 				    u32 bits_wanted, u32 min_bits,
 				    u64 max_block,
-				    u16 *bit_off, u16 *bits_found);
+				    struct ocfs2_suballoc_result *res);
 static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
 				     struct ocfs2_alloc_context *ac,
 				     handle_t *handle,
 				     u32 bits_wanted,
 				     u32 min_bits,
-				     u16 *bit_off,
-				     unsigned int *num_bits,
-				     u64 *bg_blkno);
+				     struct ocfs2_suballoc_result *res);
 static int ocfs2_test_bg_bit_allocatable(struct buffer_head *bg_bh,
 					 int nr);
 static inline int ocfs2_block_group_set_bits(handle_t *handle,
@@ -1248,8 +1252,7 @@ static int ocfs2_block_group_find_clear_bits(struct ocfs2_super *osb,
 					     struct buffer_head *bg_bh,
 					     unsigned int bits_wanted,
 					     unsigned int total_bits,
-					     u16 *bit_off,
-					     u16 *bits_found)
+					     struct ocfs2_suballoc_result *res)
 {
 	void *bitmap;
 	u16 best_offset, best_size;
@@ -1293,14 +1296,9 @@ static int ocfs2_block_group_find_clear_bits(struct ocfs2_super *osb,
 		}
 	}
 
-	/* XXX: I think the first clause is equivalent to the second
-	 * 	- jlbec */
-	if (found == bits_wanted) {
-		*bit_off = start - found;
-		*bits_found = found;
-	} else if (best_size) {
-		*bit_off = best_offset;
-		*bits_found = best_size;
+	if (best_size) {
+		res->sr_bit_offset = best_offset;
+		res->sr_bits = best_size;
 	} else {
 		status = -ENOSPC;
 		/* No error log here -- see the comment above
@@ -1456,14 +1454,13 @@ static int ocfs2_cluster_group_search(struct inode *inode,
 				      struct buffer_head *group_bh,
 				      u32 bits_wanted, u32 min_bits,
 				      u64 max_block,
-				      u16 *bit_off, u16 *bits_found)
+				      struct ocfs2_suballoc_result *res)
 {
 	int search = -ENOSPC;
 	int ret;
 	u64 blkoff;
 	struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *) group_bh->b_data;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	u16 tmp_off, tmp_found;
 	unsigned int max_bits, gd_cluster_off;
 
 	BUG_ON(!ocfs2_is_cluster_bitmap(inode));
@@ -1490,15 +1487,15 @@ static int ocfs2_cluster_group_search(struct inode *inode,
 
 		ret = ocfs2_block_group_find_clear_bits(OCFS2_SB(inode->i_sb),
 							group_bh, bits_wanted,
-							max_bits,
-							&tmp_off, &tmp_found);
+							max_bits, res);
 		if (ret)
 			return ret;
 
 		if (max_block) {
 			blkoff = ocfs2_clusters_to_blocks(inode->i_sb,
 							  gd_cluster_off +
-							  tmp_off + tmp_found);
+							  res->sr_bit_offset +
+							  res->sr_bits);
 			mlog(0, "Checking %llu against %llu\n",
 			     (unsigned long long)blkoff,
 			     (unsigned long long)max_block);
@@ -1510,16 +1507,14 @@ static int ocfs2_cluster_group_search(struct inode *inode,
 		 * return success, but we still want to return
 		 * -ENOSPC unless it found the minimum number
 		 * of bits. */
-		if (min_bits <= tmp_found) {
-			*bit_off = tmp_off;
-			*bits_found = tmp_found;
+		if (min_bits <= res->sr_bits)
 			search = 0; /* success */
-		} else if (tmp_found) {
+		else if (res->sr_bits) {
 			/*
 			 * Don't show bits which we'll be returning
 			 * for allocation to the local alloc bitmap.
 			 */
-			ocfs2_local_alloc_seen_free_bits(osb, tmp_found);
+			ocfs2_local_alloc_seen_free_bits(osb, res->sr_bits);
 		}
 	}
 
@@ -1530,7 +1525,7 @@ static int ocfs2_block_group_search(struct inode *inode,
 				    struct buffer_head *group_bh,
 				    u32 bits_wanted, u32 min_bits,
 				    u64 max_block,
-				    u16 *bit_off, u16 *bits_found)
+				    struct ocfs2_suballoc_result *res)
 {
 	int ret = -ENOSPC;
 	u64 blkoff;
@@ -1543,10 +1538,10 @@ static int ocfs2_block_group_search(struct inode *inode,
 		ret = ocfs2_block_group_find_clear_bits(OCFS2_SB(inode->i_sb),
 							group_bh, bits_wanted,
 							le16_to_cpu(bg->bg_bits),
-							bit_off, bits_found);
+							res);
 		if (!ret && max_block) {
-			blkoff = le64_to_cpu(bg->bg_blkno) + *bit_off +
-				*bits_found;
+			blkoff = le64_to_cpu(bg->bg_blkno) +
+				res->sr_bit_offset + res->sr_bits;
 			mlog(0, "Checking %llu against %llu\n",
 			     (unsigned long long)blkoff,
 			     (unsigned long long)max_block);
@@ -1589,20 +1584,17 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
 				  handle_t *handle,
 				  u32 bits_wanted,
 				  u32 min_bits,
-				  u16 *bit_off,
-				  unsigned int *num_bits,
-				  u64 gd_blkno,
+				  struct ocfs2_suballoc_result *res,
 				  u16 *bits_left)
 {
 	int ret;
-	u16 found;
 	struct buffer_head *group_bh = NULL;
 	struct ocfs2_group_desc *gd;
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data;
 	struct inode *alloc_inode = ac->ac_inode;
 
-	ret = ocfs2_read_group_descriptor(alloc_inode, di, gd_blkno,
-					  &group_bh);
+	ret = ocfs2_read_group_descriptor(alloc_inode, di,
+					  res->sr_bg_blkno, &group_bh);
 	if (ret < 0) {
 		mlog_errno(ret);
 		return ret;
@@ -1610,17 +1602,15 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
 
 	gd = (struct ocfs2_group_desc *) group_bh->b_data;
 	ret = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, min_bits,
-				  ac->ac_max_block, bit_off, &found);
+				  ac->ac_max_block, res);
 	if (ret < 0) {
 		if (ret != -ENOSPC)
 			mlog_errno(ret);
 		goto out;
 	}
 
-	*num_bits = found;
-
 	ret = ocfs2_alloc_dinode_update_counts(alloc_inode, handle, ac->ac_bh,
-					       *num_bits,
+					       res->sr_bits,
 					       le16_to_cpu(gd->bg_chain));
 	if (ret < 0) {
 		mlog_errno(ret);
@@ -1628,7 +1618,7 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
 	}
 
 	ret = ocfs2_block_group_set_bits(handle, alloc_inode, gd, group_bh,
-					 *bit_off, *num_bits);
+					 res->sr_bit_offset, res->sr_bits);
 	if (ret < 0)
 		mlog_errno(ret);
 
@@ -1644,13 +1634,11 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 			      handle_t *handle,
 			      u32 bits_wanted,
 			      u32 min_bits,
-			      u16 *bit_off,
-			      unsigned int *num_bits,
-			      u64 *bg_blkno,
+			      struct ocfs2_suballoc_result *res,
 			      u16 *bits_left)
 {
 	int status;
-	u16 chain, tmp_bits;
+	u16 chain;
 	u32 tmp_used;
 	u64 next_group;
 	struct inode *alloc_inode = ac->ac_inode;
@@ -1679,8 +1667,8 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 	 * the 1st group with any empty bits. */
 	while ((status = ac->ac_group_search(alloc_inode, group_bh,
 					     bits_wanted, min_bits,
-					     ac->ac_max_block, bit_off,
-					     &tmp_bits)) == -ENOSPC) {
+					     ac->ac_max_block,
+					     res)) == -ENOSPC) {
 		if (!bg->bg_next_group)
 			break;
 
@@ -1705,11 +1693,11 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 	}
 
 	mlog(0, "alloc succeeds: we give %u bits from block group %llu\n",
-	     tmp_bits, (unsigned long long)le64_to_cpu(bg->bg_blkno));
+	     res->sr_bits, (unsigned long long)le64_to_cpu(bg->bg_blkno));
 
-	*num_bits = tmp_bits;
+	res->sr_bg_blkno = le64_to_cpu(bg->bg_blkno);
 
-	BUG_ON(*num_bits == 0);
+	BUG_ON(res->sr_bits == 0);
 
 	/*
 	 * Keep track of previous block descriptor read. When
@@ -1726,7 +1714,7 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 	 */
 	if (ac->ac_allow_chain_relink &&
 	    (prev_group_bh) &&
-	    (ocfs2_block_group_reasonably_empty(bg, *num_bits))) {
+	    (ocfs2_block_group_reasonably_empty(bg, res->sr_bits))) {
 		status = ocfs2_relink_block_group(handle, alloc_inode,
 						  ac->ac_bh, group_bh,
 						  prev_group_bh, chain);
@@ -1748,25 +1736,24 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 	}
 
 	tmp_used = le32_to_cpu(fe->id1.bitmap1.i_used);
-	fe->id1.bitmap1.i_used = cpu_to_le32(*num_bits + tmp_used);
-	le32_add_cpu(&cl->cl_recs[chain].c_free, -(*num_bits));
+	fe->id1.bitmap1.i_used = cpu_to_le32(res->sr_bits + tmp_used);
+	le32_add_cpu(&cl->cl_recs[chain].c_free, -res->sr_bits);
 	ocfs2_journal_dirty(handle, ac->ac_bh);
 
 	status = ocfs2_block_group_set_bits(handle,
 					    alloc_inode,
 					    bg,
 					    group_bh,
-					    *bit_off,
-					    *num_bits);
+					    res->sr_bit_offset,
+					    res->sr_bits);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 
-	mlog(0, "Allocated %u bits from suballocator %llu\n", *num_bits,
+	mlog(0, "Allocated %u bits from suballocator %llu\n", res->sr_bits,
 	     (unsigned long long)le64_to_cpu(fe->i_blkno));
 
-	*bg_blkno = le64_to_cpu(bg->bg_blkno);
 	*bits_left = le16_to_cpu(bg->bg_free_bits_count);
 bail:
 	brelse(group_bh);
@@ -1782,14 +1769,11 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
 				     handle_t *handle,
 				     u32 bits_wanted,
 				     u32 min_bits,
-				     u16 *bit_off,
-				     unsigned int *num_bits,
-				     u64 *bg_blkno)
+				     struct ocfs2_suballoc_result *res)
 {
 	int status;
 	u16 victim, i;
 	u16 bits_left = 0;
-	u64 hint_blkno = ac->ac_last_group;
 	struct ocfs2_chain_list *cl;
 	struct ocfs2_dinode *fe;
 
@@ -1816,22 +1800,16 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
 		goto bail;
 	}
 
-	if (hint_blkno) {
+	res->sr_bg_blkno = ac->ac_last_group;
+	if (res->sr_bg_blkno) {
 		/* Attempt to short-circuit the usual search mechanism
 		 * by jumping straight to the most recently used
 		 * allocation group. This helps us mantain some
 		 * contiguousness across allocations. */
 		status = ocfs2_search_one_group(ac, handle, bits_wanted,
-						min_bits, bit_off, num_bits,
-						hint_blkno, &bits_left);
-		if (!status) {
-			/* Be careful to update *bg_blkno here as the
-			 * caller is expecting it to be filled in, and
-			 * ocfs2_search_one_group() won't do that for
-			 * us. */
-			*bg_blkno = hint_blkno;
+						min_bits, res, &bits_left);
+		if (!status)
 			goto set_hint;
-		}
 		if (status < 0 && status != -ENOSPC) {
 			mlog_errno(status);
 			goto bail;
@@ -1844,8 +1822,8 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
 	ac->ac_chain = victim;
 	ac->ac_allow_chain_relink = 1;
 
-	status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits, bit_off,
-				    num_bits, bg_blkno, &bits_left);
+	status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits,
+				    res, &bits_left);
 	if (!status)
 		goto set_hint;
 	if (status < 0 && status != -ENOSPC) {
@@ -1869,8 +1847,7 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
 
 		ac->ac_chain = i;
 		status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits,
-					    bit_off, num_bits, bg_blkno,
-					    &bits_left);
+					    res, &bits_left);
 		if (!status)
 			break;
 		if (status < 0 && status != -ENOSPC) {
@@ -1887,7 +1864,7 @@ set_hint:
 		if (bits_left < min_bits)
 			ac->ac_last_group = 0;
 		else
-			ac->ac_last_group = *bg_blkno;
+			ac->ac_last_group = res->sr_bg_blkno;
 	}
 
 bail:
@@ -1904,7 +1881,7 @@ int ocfs2_claim_metadata(struct ocfs2_super *osb,
 			 u64 *blkno_start)
 {
 	int status;
-	u64 bg_blkno;
+	struct ocfs2_suballoc_result res;
 
 	BUG_ON(!ac);
 	BUG_ON(ac->ac_bits_wanted < (ac->ac_bits_given + bits_wanted));
@@ -1915,17 +1892,17 @@ int ocfs2_claim_metadata(struct ocfs2_super *osb,
 					   handle,
 					   bits_wanted,
 					   1,
-					   suballoc_bit_start,
-					   num_bits,
-					   &bg_blkno);
+					   &res);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 	atomic_inc(&osb->alloc_stats.bg_allocs);
 
-	*blkno_start = bg_blkno + (u64) *suballoc_bit_start;
-	ac->ac_bits_given += (*num_bits);
+	*suballoc_bit_start = res.sr_bit_offset;
+	*blkno_start = res.sr_bg_blkno + (u64)(res.sr_bit_offset);
+	ac->ac_bits_given += res.sr_bits;
+	*num_bits = res.sr_bits;
 	status = 0;
 bail:
 	mlog_exit(status);
@@ -1972,8 +1949,7 @@ int ocfs2_claim_new_inode(struct ocfs2_super *osb,
 			  u64 *fe_blkno)
 {
 	int status;
-	unsigned int num_bits;
-	u64 bg_blkno;
+	struct ocfs2_suballoc_result res;
 
 	mlog_entry_void();
 
@@ -1989,18 +1965,17 @@ int ocfs2_claim_new_inode(struct ocfs2_super *osb,
 					   handle,
 					   1,
 					   1,
-					   suballoc_bit,
-					   &num_bits,
-					   &bg_blkno);
+					   &res);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 	atomic_inc(&osb->alloc_stats.bg_allocs);
 
-	BUG_ON(num_bits != 1);
+	BUG_ON(res.sr_bits != 1);
 
-	*fe_blkno = bg_blkno + (u64) (*suballoc_bit);
+	*suballoc_bit = res.sr_bit_offset;
+	*fe_blkno = res.sr_bg_blkno + (u64)(res.sr_bit_offset);
 	ac->ac_bits_given++;
 	ocfs2_save_inode_ac_group(dir, ac);
 	status = 0;
@@ -2080,8 +2055,7 @@ int __ocfs2_claim_clusters(struct ocfs2_super *osb,
 {
 	int status;
 	unsigned int bits_wanted = max_clusters;
-	u64 bg_blkno = 0;
-	u16 bg_bit_off;
+	struct ocfs2_suballoc_result res;
 
 	mlog_entry_void();
 
@@ -2120,14 +2094,12 @@ int __ocfs2_claim_clusters(struct ocfs2_super *osb,
 						   handle,
 						   bits_wanted,
 						   min_clusters,
-						   &bg_bit_off,
-						   num_clusters,
-						   &bg_blkno);
+						   &res);
 		if (!status) {
 			*cluster_start =
 				ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode,
-								 bg_blkno,
-								 bg_bit_off);
+								 res.sr_bg_blkno,
+								 res.sr_bit_offset);
 			atomic_inc(&osb->alloc_stats.bitmap_data);
 		}
 	}
@@ -2137,7 +2109,8 @@ int __ocfs2_claim_clusters(struct ocfs2_super *osb,
 		goto bail;
 	}
 
-	ac->ac_bits_given += *num_clusters;
+	ac->ac_bits_given += res.sr_bits;
+	*num_clusters = res.sr_bits;
 
 bail:
 	mlog_exit(status);
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index da2f29a55ec..f5a22cd1640 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -26,13 +26,14 @@
 #ifndef _CHAINALLOC_H_
 #define _CHAINALLOC_H_
 
+struct ocfs2_suballoc_result;
 typedef int (group_search_t)(struct inode *,
 			     struct buffer_head *,
 			     u32,			/* bits_wanted */
 			     u32,			/* min_bits */
 			     u64,			/* max_block */
-			     u16 *,			/* *bit_off */
-			     u16 *);			/* *bits_found */
+			     struct ocfs2_suballoc_result *);
+							/* found bits */
 
 struct ocfs2_alloc_context {
 	struct inode *ac_inode;    /* which bitmap are we allocating from? */

From 9cbc01231e82f9390edaea2b766abcb7165dc4b2 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Fri, 26 Mar 2010 10:07:42 +0800
Subject: [PATCH 0094/3638] ocfs2: Add suballoc_loc to metadata blocks.

We need a suballoc_loc field on any suballocated block.  Define them.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/ocfs2_fs.h | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 888ba4ec42c..a17bce591ee 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -507,7 +507,10 @@ struct ocfs2_extent_block
 					   block group */
 	__le32 h_fs_generation;		/* Must match super block */
 	__le64 h_blkno;			/* Offset on disk, in blocks */
-/*20*/	__le64 h_reserved3;
+/*20*/	__le64 h_suballoc_loc;		/* Suballocator block group this
+					   eb belongs to.  Only valid
+					   if allocated from a
+					   discontiguous block group */
 	__le64 h_next_leaf_blk;		/* Offset on disk, in blocks,
 					   of next leaf header pointing
 					   to data */
@@ -674,7 +677,11 @@ struct ocfs2_dinode {
 /*80*/	struct ocfs2_block_check i_check;	/* Error checking */
 /*88*/	__le64 i_dx_root;		/* Pointer to dir index root block */
 /*90*/	__le64 i_refcount_loc;
-	__le64 i_reserved2[4];
+	__le64 i_suballoc_loc;		/* Suballocator block group this
+					   inode belongs to.  Only valid
+					   if allocated from a
+					   discontiguous block group */
+/*A0*/	__le64 i_reserved2[3];
 /*B8*/	union {
 		__le64 i_pad1;		/* Generic way to refer to this
 					   64bit union */
@@ -809,7 +816,12 @@ struct ocfs2_dx_root_block {
 	__le32		dr_reserved2;
 	__le64		dr_free_blk;		/* Pointer to head of free
 						 * unindexed block list. */
-	__le64		dr_reserved3[15];
+	__le64		dr_suballoc_loc;	/* Suballocator block group
+						   this root belongs to.
+						   Only valid if allocated
+						   from a discontiguous
+						   block group */
+	__le64		dr_reserved3[14];
 	union {
 		struct ocfs2_extent_list dr_list; /* Keep this aligned to 128
 						   * bits for maximum space
@@ -929,7 +941,11 @@ struct ocfs2_refcount_block {
 /*40*/	__le32 rf_generation;		/* generation number. all be the same
 					 * for the same refcount tree. */
 	__le32 rf_reserved0;
-	__le64 rf_reserved1[7];
+	__le64 rf_suballoc_loc;		/* Suballocator block group this
+					   refcount block belongs to. Only
+					   valid if allocated from a
+					   discontiguous block group */
+/*50*/	__le64 rf_reserved1[6];
 /*80*/	union {
 		struct ocfs2_refcount_list rf_records;  /* List of refcount
 							  records */
@@ -1041,7 +1057,10 @@ struct ocfs2_xattr_block {
 					real xattr or a xattr tree. */
 	__le16	xb_reserved0;
 	__le32  xb_reserved1;
-	__le64	xb_reserved2;
+	__le64	xb_suballoc_loc;	/* Suballocator block group this
+					   xattr block belongs to. Only
+					   valid if allocated from a
+					   discontiguous block group */
 /*30*/	union {
 		struct ocfs2_xattr_header xb_header; /* xattr header if this
 							block contains xattr */

From aa8f8e93c898a0319bcd6c79a9a42fe52abac7d7 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Fri, 26 Mar 2010 10:08:07 +0800
Subject: [PATCH 0095/3638] ocfs2: ocfs2_claim_suballoc_bits() doesn't need an
 osb argument.

It's contained on ac->ac_inode->i_sb anyway.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/suballoc.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 3d823cffc62..602c05eae7c 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -86,8 +86,7 @@ static int ocfs2_block_group_search(struct inode *inode,
 				    u32 bits_wanted, u32 min_bits,
 				    u64 max_block,
 				    struct ocfs2_suballoc_result *res);
-static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
-				     struct ocfs2_alloc_context *ac,
+static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
 				     handle_t *handle,
 				     u32 bits_wanted,
 				     u32 min_bits,
@@ -1764,8 +1763,7 @@ bail:
 }
 
 /* will give out up to bits_wanted contiguous bits. */
-static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
-				     struct ocfs2_alloc_context *ac,
+static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
 				     handle_t *handle,
 				     u32 bits_wanted,
 				     u32 min_bits,
@@ -1791,7 +1789,8 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
 
 	if (le32_to_cpu(fe->id1.bitmap1.i_used) >=
 	    le32_to_cpu(fe->id1.bitmap1.i_total)) {
-		ocfs2_error(osb->sb, "Chain allocator dinode %llu has %u used "
+		ocfs2_error(ac->ac_inode->i_sb,
+			    "Chain allocator dinode %llu has %u used "
 			    "bits but only %u total.",
 			    (unsigned long long)le64_to_cpu(fe->i_blkno),
 			    le32_to_cpu(fe->id1.bitmap1.i_used),
@@ -1887,8 +1886,7 @@ int ocfs2_claim_metadata(struct ocfs2_super *osb,
 	BUG_ON(ac->ac_bits_wanted < (ac->ac_bits_given + bits_wanted));
 	BUG_ON(ac->ac_which != OCFS2_AC_USE_META);
 
-	status = ocfs2_claim_suballoc_bits(osb,
-					   ac,
+	status = ocfs2_claim_suballoc_bits(ac,
 					   handle,
 					   bits_wanted,
 					   1,
@@ -1960,8 +1958,7 @@ int ocfs2_claim_new_inode(struct ocfs2_super *osb,
 
 	ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac);
 
-	status = ocfs2_claim_suballoc_bits(osb,
-					   ac,
+	status = ocfs2_claim_suballoc_bits(ac,
 					   handle,
 					   1,
 					   1,
@@ -2089,8 +2086,7 @@ int __ocfs2_claim_clusters(struct ocfs2_super *osb,
 		if (bits_wanted > (osb->bitmap_cpg - 1))
 			bits_wanted = osb->bitmap_cpg - 1;
 
-		status = ocfs2_claim_suballoc_bits(osb,
-						   ac,
+		status = ocfs2_claim_suballoc_bits(ac,
 						   handle,
 						   bits_wanted,
 						   min_clusters,

From 13e434cf0cacd2f03a7f4cd077e3e995ef5ef710 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Fri, 26 Mar 2010 10:08:27 +0800
Subject: [PATCH 0096/3638] ocfs2: Trim suballocations if they cross
 discontiguous regions

A discontiguous block group can find a range of free bits that straddle
more than one region of its space.  Callers can't handle that, so we
trim the returned bits until they fit within one region.

Only cluster allocations ask for min_bits>1.  Discontiguous block groups
are only for block allocations.  So min_bits doesn't matter here.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/suballoc.c | 48 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 602c05eae7c..c9661c47786 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -1579,6 +1579,48 @@ out:
 	return ret;
 }
 
+static int ocfs2_bg_discontig_trim_by_rec(struct ocfs2_suballoc_result *res,
+					  struct ocfs2_extent_rec *rec,
+					  struct ocfs2_chain_list *cl)
+{
+	unsigned int bpc = le16_to_cpu(cl->cl_bpc);
+	unsigned int bitoff = le32_to_cpu(rec->e_cpos) * bpc;
+	unsigned int bitcount = le32_to_cpu(rec->e_leaf_clusters) * bpc;
+
+	if (res->sr_bit_offset < bitoff)
+		return 0;
+	if (res->sr_bit_offset >= (bitoff + bitcount))
+		return 0;
+	if ((res->sr_bit_offset + res->sr_bits) > (bitoff + bitcount))
+		res->sr_bits = (bitoff + bitcount) - res->sr_bit_offset;
+	return 1;
+}
+
+static void ocfs2_bg_discontig_trim_result(struct ocfs2_alloc_context *ac,
+					   struct ocfs2_group_desc *bg,
+					   struct ocfs2_suballoc_result *res)
+{
+	int i;
+	struct ocfs2_extent_rec *rec;
+	struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data;
+	struct ocfs2_chain_list *cl = &di->id2.i_chain;
+
+	if (!ocfs2_supports_discontig_bh(OCFS2_SB(ac->ac_inode->i_sb)))
+		return;
+
+	if (ocfs2_is_cluster_bitmap(ac->ac_inode))
+		return;
+
+	if (!bg->bg_list.l_next_free_rec)
+		return;
+
+	for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {
+		rec = &bg->bg_list.l_recs[i];
+		if (ocfs2_bg_discontig_trim_by_rec(res, rec, cl))
+			break;
+	}
+}
+
 static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
 				  handle_t *handle,
 				  u32 bits_wanted,
@@ -1608,6 +1650,9 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
 		goto out;
 	}
 
+	if (!ret)
+		ocfs2_bg_discontig_trim_result(ac, gd, res);
+
 	ret = ocfs2_alloc_dinode_update_counts(alloc_inode, handle, ac->ac_bh,
 					       res->sr_bits,
 					       le16_to_cpu(gd->bg_chain));
@@ -1697,6 +1742,9 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 	res->sr_bg_blkno = le64_to_cpu(bg->bg_blkno);
 
 	BUG_ON(res->sr_bits == 0);
+	if (!status)
+		ocfs2_bg_discontig_trim_result(ac, bg, res);
+
 
 	/*
 	 * Keep track of previous block descriptor read. When

From 1ed9b777f77929ae961d6f9cdf828a07200ba71c Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Thu, 6 May 2010 13:59:06 +0800
Subject: [PATCH 0097/3638] ocfs2: ocfs2_claim_*() don't need an ocfs2_super
 argument.

They all take an ocfs2_alloc_context, which has the allocation inode.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/alloc.c        |  7 +++----
 fs/ocfs2/dir.c          |  8 ++++----
 fs/ocfs2/localalloc.c   |  4 ++--
 fs/ocfs2/namei.c        |  2 +-
 fs/ocfs2/refcounttree.c |  8 ++++----
 fs/ocfs2/suballoc.c     | 23 ++++++++++-------------
 fs/ocfs2/suballoc.h     | 12 ++++--------
 fs/ocfs2/xattr.c        | 13 ++++++-------
 8 files changed, 34 insertions(+), 43 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 0cb2945eb81..b6e2ba1f6a7 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -1015,8 +1015,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
 
 	count = 0;
 	while (count < wanted) {
-		status = ocfs2_claim_metadata(osb,
-					      handle,
+		status = ocfs2_claim_metadata(handle,
 					      meta_ac,
 					      wanted - count,
 					      &suballoc_bit_start,
@@ -4786,7 +4785,7 @@ int ocfs2_add_clusters_in_btree(handle_t *handle,
 		goto leave;
 	}
 
-	status = __ocfs2_claim_clusters(osb, handle, data_ac, 1,
+	status = __ocfs2_claim_clusters(handle, data_ac, 1,
 					clusters_to_add, &bit_off, &num_bits);
 	if (status < 0) {
 		if (status != -ENOSPC)
@@ -7201,7 +7200,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
 
 		data_ac->ac_resv = &OCFS2_I(inode)->ip_la_data_resv;
 
-		ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off,
+		ret = ocfs2_claim_clusters(handle, data_ac, 1, &bit_off,
 					   &num);
 		if (ret) {
 			mlog_errno(ret);
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 6c9a28a2d3a..02c3f226155 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2402,7 +2402,7 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
 	struct ocfs2_dir_block_trailer *trailer =
 		ocfs2_trailer_from_bh(dirdata_bh, dir->i_sb);
 
-	ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1, &dr_suballoc_bit,
+	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &dr_suballoc_bit,
 				   &num_bits, &dr_blkno);
 	if (ret) {
 		mlog_errno(ret);
@@ -2544,7 +2544,7 @@ static int __ocfs2_dx_dir_new_cluster(struct inode *dir,
 	 * chance of contiguousness as the directory grows in number
 	 * of entries.
 	 */
-	ret = __ocfs2_claim_clusters(osb, handle, data_ac, 1, 1, &phys, &num);
+	ret = __ocfs2_claim_clusters(handle, data_ac, 1, 1, &phys, &num);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -2979,7 +2979,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 	 */
 	if (ocfs2_dir_resv_allowed(osb))
 		data_ac->ac_resv = &oi->ip_la_data_resv;
-	ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len);
+	ret = ocfs2_claim_clusters(handle, data_ac, 1, &bit_off, &len);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
@@ -3118,7 +3118,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 	 * pass. Claim the 2nd cluster as a separate extent.
 	 */
 	if (alloc > len) {
-		ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off,
+		ret = ocfs2_claim_clusters(handle, data_ac, 1, &bit_off,
 					   &len);
 		if (ret) {
 			mlog_errno(ret);
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 9538bbe028d..aab1b634cc8 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -1161,7 +1161,7 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb,
 	/* we used the generic suballoc reserve function, but we set
 	 * everything up nicely, so there's no reason why we can't use
 	 * the more specific cluster api to claim bits. */
-	status = ocfs2_claim_clusters(osb, handle, ac, osb->local_alloc_bits,
+	status = ocfs2_claim_clusters(handle, ac, osb->local_alloc_bits,
 				      &cluster_off, &cluster_count);
 	if (status == -ENOSPC) {
 retry_enospc:
@@ -1175,7 +1175,7 @@ retry_enospc:
 			goto bail;
 
 		ac->ac_bits_wanted = osb->local_alloc_default_bits;
-		status = ocfs2_claim_clusters(osb, handle, ac,
+		status = ocfs2_claim_clusters(handle, ac,
 					      osb->local_alloc_bits,
 					      &cluster_off,
 					      &cluster_count);
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 21d4a33d0f0..e5434a04b88 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -478,7 +478,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
 
 	*new_fe_bh = NULL;
 
-	status = ocfs2_claim_new_inode(osb, handle, dir, parent_fe_bh,
+	status = ocfs2_claim_new_inode(handle, dir, parent_fe_bh,
 				       inode_ac, &suballoc_bit, &fe_blkno);
 	if (status < 0) {
 		mlog_errno(status);
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 33dd2a18cb7..2bd74766c4e 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -597,7 +597,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
 		goto out_commit;
 	}
 
-	ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1,
+	ret = ocfs2_claim_metadata(handle, meta_ac, 1,
 				   &suballoc_bit_start, &num_got,
 				   &first_blkno);
 	if (ret) {
@@ -1297,7 +1297,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
 		goto out;
 	}
 
-	ret = ocfs2_claim_metadata(OCFS2_SB(sb), handle, meta_ac, 1,
+	ret = ocfs2_claim_metadata(handle, meta_ac, 1,
 				   &suballoc_bit_start, &num_got,
 				   &blkno);
 	if (ret) {
@@ -1547,7 +1547,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
 		goto out;
 	}
 
-	ret = ocfs2_claim_metadata(OCFS2_SB(sb), handle, meta_ac, 1,
+	ret = ocfs2_claim_metadata(handle, meta_ac, 1,
 				   &suballoc_bit_start, &num_got,
 				   &blkno);
 	if (ret) {
@@ -3271,7 +3271,7 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
 		} else {
 			delete = 1;
 
-			ret = __ocfs2_claim_clusters(osb, handle,
+			ret = __ocfs2_claim_clusters(handle,
 						     context->data_ac,
 						     1, set_len,
 						     &new_bit, &new_len);
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index c9661c47786..3f620177778 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -439,7 +439,7 @@ ocfs2_block_group_alloc_contig(struct ocfs2_super *osb, handle_t *handle,
 	struct buffer_head *bg_bh;
 	unsigned int alloc_rec = ocfs2_find_smallest_chain(cl);
 
-	status = ocfs2_claim_clusters(osb, handle, ac,
+	status = ocfs2_claim_clusters(handle, ac,
 				      le16_to_cpu(cl->cl_cpg), &bit_off,
 				      &num_bits);
 	if (status < 0) {
@@ -481,7 +481,7 @@ static int ocfs2_block_group_claim_bits(struct ocfs2_super *osb,
 	int status;
 
 	while (min_bits) {
-		status = ocfs2_claim_clusters(osb, handle, ac, min_bits,
+		status = ocfs2_claim_clusters(handle, ac, min_bits,
 					      bit_off, num_bits);
 		if (status != -ENOSPC)
 			break;
@@ -1919,8 +1919,7 @@ bail:
 	return status;
 }
 
-int ocfs2_claim_metadata(struct ocfs2_super *osb,
-			 handle_t *handle,
+int ocfs2_claim_metadata(handle_t *handle,
 			 struct ocfs2_alloc_context *ac,
 			 u32 bits_wanted,
 			 u16 *suballoc_bit_start,
@@ -1943,7 +1942,7 @@ int ocfs2_claim_metadata(struct ocfs2_super *osb,
 		mlog_errno(status);
 		goto bail;
 	}
-	atomic_inc(&osb->alloc_stats.bg_allocs);
+	atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
 
 	*suballoc_bit_start = res.sr_bit_offset;
 	*blkno_start = res.sr_bg_blkno + (u64)(res.sr_bit_offset);
@@ -1986,8 +1985,7 @@ static inline void ocfs2_save_inode_ac_group(struct inode *dir,
 	OCFS2_I(dir)->ip_last_used_slot = ac->ac_alloc_slot;
 }
 
-int ocfs2_claim_new_inode(struct ocfs2_super *osb,
-			  handle_t *handle,
+int ocfs2_claim_new_inode(handle_t *handle,
 			  struct inode *dir,
 			  struct buffer_head *parent_fe_bh,
 			  struct ocfs2_alloc_context *ac,
@@ -2015,7 +2013,7 @@ int ocfs2_claim_new_inode(struct ocfs2_super *osb,
 		mlog_errno(status);
 		goto bail;
 	}
-	atomic_inc(&osb->alloc_stats.bg_allocs);
+	atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
 
 	BUG_ON(res.sr_bits != 1);
 
@@ -2090,8 +2088,7 @@ static inline void ocfs2_block_to_cluster_group(struct inode *inode,
  * contig. allocation, set to '1' to indicate we can deal with extents
  * of any size.
  */
-int __ocfs2_claim_clusters(struct ocfs2_super *osb,
-			   handle_t *handle,
+int __ocfs2_claim_clusters(handle_t *handle,
 			   struct ocfs2_alloc_context *ac,
 			   u32 min_clusters,
 			   u32 max_clusters,
@@ -2101,6 +2098,7 @@ int __ocfs2_claim_clusters(struct ocfs2_super *osb,
 	int status;
 	unsigned int bits_wanted = max_clusters;
 	struct ocfs2_suballoc_result res;
+	struct ocfs2_super *osb = OCFS2_SB(ac->ac_inode->i_sb);
 
 	mlog_entry_void();
 
@@ -2161,8 +2159,7 @@ bail:
 	return status;
 }
 
-int ocfs2_claim_clusters(struct ocfs2_super *osb,
-			 handle_t *handle,
+int ocfs2_claim_clusters(handle_t *handle,
 			 struct ocfs2_alloc_context *ac,
 			 u32 min_clusters,
 			 u32 *cluster_start,
@@ -2170,7 +2167,7 @@ int ocfs2_claim_clusters(struct ocfs2_super *osb,
 {
 	unsigned int bits_wanted = ac->ac_bits_wanted - ac->ac_bits_given;
 
-	return __ocfs2_claim_clusters(osb, handle, ac, min_clusters,
+	return __ocfs2_claim_clusters(handle, ac, min_clusters,
 				      bits_wanted, cluster_start, num_clusters);
 }
 
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index f5a22cd1640..49b0b22d30c 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -83,22 +83,19 @@ int ocfs2_reserve_clusters(struct ocfs2_super *osb,
 			   u32 bits_wanted,
 			   struct ocfs2_alloc_context **ac);
 
-int ocfs2_claim_metadata(struct ocfs2_super *osb,
-			 handle_t *handle,
+int ocfs2_claim_metadata(handle_t *handle,
 			 struct ocfs2_alloc_context *ac,
 			 u32 bits_wanted,
 			 u16 *suballoc_bit_start,
 			 u32 *num_bits,
 			 u64 *blkno_start);
-int ocfs2_claim_new_inode(struct ocfs2_super *osb,
-			  handle_t *handle,
+int ocfs2_claim_new_inode(handle_t *handle,
 			  struct inode *dir,
 			  struct buffer_head *parent_fe_bh,
 			  struct ocfs2_alloc_context *ac,
 			  u16 *suballoc_bit,
 			  u64 *fe_blkno);
-int ocfs2_claim_clusters(struct ocfs2_super *osb,
-			 handle_t *handle,
+int ocfs2_claim_clusters(handle_t *handle,
 			 struct ocfs2_alloc_context *ac,
 			 u32 min_clusters,
 			 u32 *cluster_start,
@@ -107,8 +104,7 @@ int ocfs2_claim_clusters(struct ocfs2_super *osb,
  * Use this variant of ocfs2_claim_clusters to specify a maxiumum
  * number of clusters smaller than the allocation reserved.
  */
-int __ocfs2_claim_clusters(struct ocfs2_super *osb,
-			   handle_t *handle,
+int __ocfs2_claim_clusters(handle_t *handle,
 			   struct ocfs2_alloc_context *ac,
 			   u32 min_clusters,
 			   u32 max_clusters,
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 38a55ff45b3..2f6fd48c0ba 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2831,7 +2831,6 @@ static int ocfs2_create_xattr_block(struct inode *inode,
 	u32 num_got;
 	u64 first_blkno;
 	struct ocfs2_dinode *di =  (struct ocfs2_dinode *)inode_bh->b_data;
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct buffer_head *new_bh = NULL;
 	struct ocfs2_xattr_block *xblk;
 
@@ -2842,7 +2841,7 @@ static int ocfs2_create_xattr_block(struct inode *inode,
 		goto end;
 	}
 
-	ret = ocfs2_claim_metadata(osb, ctxt->handle, ctxt->meta_ac, 1,
+	ret = ocfs2_claim_metadata(ctxt->handle, ctxt->meta_ac, 1,
 				   &suballoc_bit_start, &num_got,
 				   &first_blkno);
 	if (ret < 0) {
@@ -2867,7 +2866,8 @@ static int ocfs2_create_xattr_block(struct inode *inode,
 	strcpy((void *)xblk, OCFS2_XATTR_BLOCK_SIGNATURE);
 	xblk->xb_suballoc_slot = cpu_to_le16(ctxt->meta_ac->ac_alloc_slot);
 	xblk->xb_suballoc_bit = cpu_to_le16(suballoc_bit_start);
-	xblk->xb_fs_generation = cpu_to_le32(osb->fs_generation);
+	xblk->xb_fs_generation =
+		cpu_to_le32(OCFS2_SB(inode->i_sb)->fs_generation);
 	xblk->xb_blkno = cpu_to_le64(first_blkno);
 	if (indexed) {
 		struct ocfs2_xattr_tree_root *xr = &xblk->xb_attrs.xb_root;
@@ -4229,7 +4229,6 @@ static int ocfs2_xattr_create_index_block(struct inode *inode,
 	u32 bit_off, len;
 	u64 blkno;
 	handle_t *handle = ctxt->handle;
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_inode_info *oi = OCFS2_I(inode);
 	struct buffer_head *xb_bh = xs->xattr_bh;
 	struct ocfs2_xattr_block *xb =
@@ -4257,7 +4256,7 @@ static int ocfs2_xattr_create_index_block(struct inode *inode,
 		goto out;
 	}
 
-	ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac,
+	ret = __ocfs2_claim_clusters(handle, ctxt->data_ac,
 				     1, 1, &bit_off, &len);
 	if (ret) {
 		mlog_errno(ret);
@@ -5078,7 +5077,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
 		goto leave;
 	}
 
-	ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, 1,
+	ret = __ocfs2_claim_clusters(handle, ctxt->data_ac, 1,
 				     clusters_to_add, &bit_off, &num_bits);
 	if (ret < 0) {
 		if (ret != -ENOSPC)
@@ -6906,7 +6905,7 @@ static int ocfs2_reflink_xattr_rec(struct inode *inode,
 		goto out;
 	}
 
-	ret = ocfs2_claim_clusters(osb, handle, data_ac,
+	ret = ocfs2_claim_clusters(handle, data_ac,
 				   len, &p_cluster, &num_clusters);
 	if (ret) {
 		mlog_errno(ret);

From ba2066351b630f0205ebf725f5c81a2a07a77cd7 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Fri, 26 Mar 2010 10:08:59 +0800
Subject: [PATCH 0098/3638] ocfs2: Return allocated metadata blknos on the
 ocfs2_suballoc_result.

Rather than calculating the resulting block number, return it on the
ocfs2_suballoc_result structure.  This way we can calculate block
numbers for discontiguous block groups.

Cluster groups keep doing it the old way.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/suballoc.c | 43 ++++++++++++++++++++++++-------------------
 1 file changed, 24 insertions(+), 19 deletions(-)

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 3f620177778..9c2e669a74f 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -55,6 +55,7 @@
 
 struct ocfs2_suballoc_result {
 	u64		sr_bg_blkno;	/* The bg we allocated from */
+	u64		sr_blkno;	/* The first allocated block */
 	unsigned int	sr_bit_offset;	/* The bit in the bg */
 	unsigned int	sr_bits;	/* How many bits we claimed */
 };
@@ -1579,9 +1580,9 @@ out:
 	return ret;
 }
 
-static int ocfs2_bg_discontig_trim_by_rec(struct ocfs2_suballoc_result *res,
-					  struct ocfs2_extent_rec *rec,
-					  struct ocfs2_chain_list *cl)
+static int ocfs2_bg_discontig_fix_by_rec(struct ocfs2_suballoc_result *res,
+					 struct ocfs2_extent_rec *rec,
+					 struct ocfs2_chain_list *cl)
 {
 	unsigned int bpc = le16_to_cpu(cl->cl_bpc);
 	unsigned int bitoff = le32_to_cpu(rec->e_cpos) * bpc;
@@ -1591,32 +1592,35 @@ static int ocfs2_bg_discontig_trim_by_rec(struct ocfs2_suballoc_result *res,
 		return 0;
 	if (res->sr_bit_offset >= (bitoff + bitcount))
 		return 0;
+	res->sr_blkno = le64_to_cpu(rec->e_blkno) +
+		(res->sr_bit_offset - bitoff);
 	if ((res->sr_bit_offset + res->sr_bits) > (bitoff + bitcount))
 		res->sr_bits = (bitoff + bitcount) - res->sr_bit_offset;
 	return 1;
 }
 
-static void ocfs2_bg_discontig_trim_result(struct ocfs2_alloc_context *ac,
-					   struct ocfs2_group_desc *bg,
-					   struct ocfs2_suballoc_result *res)
+static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac,
+					  struct ocfs2_group_desc *bg,
+					  struct ocfs2_suballoc_result *res)
 {
 	int i;
 	struct ocfs2_extent_rec *rec;
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data;
 	struct ocfs2_chain_list *cl = &di->id2.i_chain;
 
-	if (!ocfs2_supports_discontig_bh(OCFS2_SB(ac->ac_inode->i_sb)))
+	if (ocfs2_is_cluster_bitmap(ac->ac_inode)) {
+		res->sr_blkno = 0;
 		return;
+	}
 
-	if (ocfs2_is_cluster_bitmap(ac->ac_inode))
-		return;
-
-	if (!bg->bg_list.l_next_free_rec)
+	res->sr_blkno = res->sr_bg_blkno + res->sr_bit_offset;
+	if (!ocfs2_supports_discontig_bh(OCFS2_SB(ac->ac_inode->i_sb)) ||
+	    !bg->bg_list.l_next_free_rec)
 		return;
 
 	for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {
 		rec = &bg->bg_list.l_recs[i];
-		if (ocfs2_bg_discontig_trim_by_rec(res, rec, cl))
+		if (ocfs2_bg_discontig_fix_by_rec(res, rec, cl))
 			break;
 	}
 }
@@ -1651,7 +1655,7 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
 	}
 
 	if (!ret)
-		ocfs2_bg_discontig_trim_result(ac, gd, res);
+		ocfs2_bg_discontig_fix_result(ac, gd, res);
 
 	ret = ocfs2_alloc_dinode_update_counts(alloc_inode, handle, ac->ac_bh,
 					       res->sr_bits,
@@ -1743,7 +1747,7 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 
 	BUG_ON(res->sr_bits == 0);
 	if (!status)
-		ocfs2_bg_discontig_trim_result(ac, bg, res);
+		ocfs2_bg_discontig_fix_result(ac, bg, res);
 
 
 	/*
@@ -1927,7 +1931,7 @@ int ocfs2_claim_metadata(handle_t *handle,
 			 u64 *blkno_start)
 {
 	int status;
-	struct ocfs2_suballoc_result res;
+	struct ocfs2_suballoc_result res = { .sr_blkno = 0, };
 
 	BUG_ON(!ac);
 	BUG_ON(ac->ac_bits_wanted < (ac->ac_bits_given + bits_wanted));
@@ -1945,7 +1949,7 @@ int ocfs2_claim_metadata(handle_t *handle,
 	atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
 
 	*suballoc_bit_start = res.sr_bit_offset;
-	*blkno_start = res.sr_bg_blkno + (u64)(res.sr_bit_offset);
+	*blkno_start = res.sr_blkno;
 	ac->ac_bits_given += res.sr_bits;
 	*num_bits = res.sr_bits;
 	status = 0;
@@ -1993,7 +1997,7 @@ int ocfs2_claim_new_inode(handle_t *handle,
 			  u64 *fe_blkno)
 {
 	int status;
-	struct ocfs2_suballoc_result res;
+	struct ocfs2_suballoc_result res = { .sr_blkno = 0, };
 
 	mlog_entry_void();
 
@@ -2018,7 +2022,7 @@ int ocfs2_claim_new_inode(handle_t *handle,
 	BUG_ON(res.sr_bits != 1);
 
 	*suballoc_bit = res.sr_bit_offset;
-	*fe_blkno = res.sr_bg_blkno + (u64)(res.sr_bit_offset);
+	*fe_blkno = res.sr_blkno;
 	ac->ac_bits_given++;
 	ocfs2_save_inode_ac_group(dir, ac);
 	status = 0;
@@ -2097,7 +2101,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
 {
 	int status;
 	unsigned int bits_wanted = max_clusters;
-	struct ocfs2_suballoc_result res;
+	struct ocfs2_suballoc_result res = { .sr_blkno = 0, };
 	struct ocfs2_super *osb = OCFS2_SB(ac->ac_inode->i_sb);
 
 	mlog_entry_void();
@@ -2138,6 +2142,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
 						   min_clusters,
 						   &res);
 		if (!status) {
+			BUG_ON(res.sr_blkno); /* cluster alloc can't set */
 			*cluster_start =
 				ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode,
 								 res.sr_bg_blkno,

From 2b6cb576aa80611f1f6a3c88708d1e68a8d97985 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Fri, 26 Mar 2010 10:09:15 +0800
Subject: [PATCH 0099/3638] ocfs2: Set suballoc_loc on allocated metadata.

Get the suballoc_loc from ocfs2_claim_new_inode() or
ocfs2_claim_metadata().  Store it on the appropriate field of the block
we just allocated.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/alloc.c        |  4 +++-
 fs/ocfs2/dir.c          |  7 ++++---
 fs/ocfs2/namei.c        |  6 ++++--
 fs/ocfs2/refcounttree.c | 15 +++++++++------
 fs/ocfs2/suballoc.c     | 16 +++++++++++++---
 fs/ocfs2/suballoc.h     |  2 ++
 fs/ocfs2/xattr.c        |  7 ++++---
 7 files changed, 39 insertions(+), 18 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index b6e2ba1f6a7..479d2ecae34 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -1006,7 +1006,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
 	int count, status, i;
 	u16 suballoc_bit_start;
 	u32 num_got;
-	u64 first_blkno;
+	u64 suballoc_loc, first_blkno;
 	struct ocfs2_super *osb =
 		OCFS2_SB(ocfs2_metadata_cache_get_super(et->et_ci));
 	struct ocfs2_extent_block *eb;
@@ -1018,6 +1018,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
 		status = ocfs2_claim_metadata(handle,
 					      meta_ac,
 					      wanted - count,
+					      &suballoc_loc,
 					      &suballoc_bit_start,
 					      &num_got,
 					      &first_blkno);
@@ -1051,6 +1052,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
 			eb->h_fs_generation = cpu_to_le32(osb->fs_generation);
 			eb->h_suballoc_slot =
 				cpu_to_le16(meta_ac->ac_alloc_slot);
+			eb->h_suballoc_loc = cpu_to_le64(suballoc_loc);
 			eb->h_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 			eb->h_list.l_count =
 				cpu_to_le16(ocfs2_extent_recs_per_eb(osb->sb));
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 02c3f226155..341bb8f811e 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2395,15 +2395,15 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
 	int ret;
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *) di_bh->b_data;
 	u16 dr_suballoc_bit;
-	u64 dr_blkno;
+	u64 suballoc_loc, dr_blkno;
 	unsigned int num_bits;
 	struct buffer_head *dx_root_bh = NULL;
 	struct ocfs2_dx_root_block *dx_root;
 	struct ocfs2_dir_block_trailer *trailer =
 		ocfs2_trailer_from_bh(dirdata_bh, dir->i_sb);
 
-	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &dr_suballoc_bit,
-				   &num_bits, &dr_blkno);
+	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,
+				   &dr_suballoc_bit, &num_bits, &dr_blkno);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -2431,6 +2431,7 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
 	memset(dx_root, 0, osb->sb->s_blocksize);
 	strcpy(dx_root->dr_signature, OCFS2_DX_ROOT_SIGNATURE);
 	dx_root->dr_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
+	dx_root->dr_suballoc_loc = cpu_to_le64(suballoc_loc);
 	dx_root->dr_suballoc_bit = cpu_to_le16(dr_suballoc_bit);
 	dx_root->dr_fs_generation = cpu_to_le32(osb->fs_generation);
 	dx_root->dr_blkno = cpu_to_le64(dr_blkno);
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index e5434a04b88..bfe4571a4fa 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -472,14 +472,15 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
 	int status = 0;
 	struct ocfs2_dinode *fe = NULL;
 	struct ocfs2_extent_list *fel;
-	u64 fe_blkno = 0;
+	u64 suballoc_loc, fe_blkno = 0;
 	u16 suballoc_bit;
 	u16 feat;
 
 	*new_fe_bh = NULL;
 
 	status = ocfs2_claim_new_inode(handle, dir, parent_fe_bh,
-				       inode_ac, &suballoc_bit, &fe_blkno);
+				       inode_ac, &suballoc_loc,
+				       &suballoc_bit, &fe_blkno);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
@@ -516,6 +517,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
 	fe->i_generation = cpu_to_le32(inode->i_generation);
 	fe->i_fs_generation = cpu_to_le32(osb->fs_generation);
 	fe->i_blkno = cpu_to_le64(fe_blkno);
+	fe->i_suballoc_loc = cpu_to_le64(suballoc_loc);
 	fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
 	fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
 	fe->i_uid = cpu_to_le32(inode->i_uid);
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 2bd74766c4e..275920e8a40 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -571,7 +571,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
 	struct ocfs2_refcount_tree *new_tree = NULL, *tree = NULL;
 	u16 suballoc_bit_start;
 	u32 num_got;
-	u64 first_blkno;
+	u64 suballoc_loc, first_blkno;
 
 	BUG_ON(oi->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL);
 
@@ -597,7 +597,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
 		goto out_commit;
 	}
 
-	ret = ocfs2_claim_metadata(handle, meta_ac, 1,
+	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,
 				   &suballoc_bit_start, &num_got,
 				   &first_blkno);
 	if (ret) {
@@ -627,6 +627,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
 	memset(rb, 0, inode->i_sb->s_blocksize);
 	strcpy((void *)rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);
 	rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
+	rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);
 	rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 	rb->rf_fs_generation = cpu_to_le32(osb->fs_generation);
 	rb->rf_blkno = cpu_to_le64(first_blkno);
@@ -1283,7 +1284,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
 	int ret;
 	u16 suballoc_bit_start;
 	u32 num_got;
-	u64 blkno;
+	u64 suballoc_loc, blkno;
 	struct super_block *sb = ocfs2_metadata_cache_get_super(ci);
 	struct buffer_head *new_bh = NULL;
 	struct ocfs2_refcount_block *new_rb;
@@ -1297,7 +1298,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
 		goto out;
 	}
 
-	ret = ocfs2_claim_metadata(handle, meta_ac, 1,
+	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,
 				   &suballoc_bit_start, &num_got,
 				   &blkno);
 	if (ret) {
@@ -1329,6 +1330,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
 
 	new_rb = (struct ocfs2_refcount_block *)new_bh->b_data;
 	new_rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
+	new_rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);
 	new_rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 	new_rb->rf_blkno = cpu_to_le64(blkno);
 	new_rb->rf_cpos = cpu_to_le32(0);
@@ -1523,7 +1525,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
 	int ret;
 	u16 suballoc_bit_start;
 	u32 num_got, new_cpos;
-	u64 blkno;
+	u64 suballoc_loc, blkno;
 	struct super_block *sb = ocfs2_metadata_cache_get_super(ci);
 	struct ocfs2_refcount_block *root_rb =
 			(struct ocfs2_refcount_block *)ref_root_bh->b_data;
@@ -1547,7 +1549,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
 		goto out;
 	}
 
-	ret = ocfs2_claim_metadata(handle, meta_ac, 1,
+	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,
 				   &suballoc_bit_start, &num_got,
 				   &blkno);
 	if (ret) {
@@ -1575,6 +1577,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
 	memset(new_rb, 0, sb->s_blocksize);
 	strcpy((void *)new_rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);
 	new_rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
+	new_rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);
 	new_rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 	new_rb->rf_fs_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);
 	new_rb->rf_blkno = cpu_to_le64(blkno);
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 9c2e669a74f..7809f41bcbf 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -54,7 +54,9 @@
 #define OCFS2_MAX_TO_STEAL		1024
 
 struct ocfs2_suballoc_result {
-	u64		sr_bg_blkno;	/* The bg we allocated from */
+	u64		sr_bg_blkno;	/* The bg we allocated from.  Set
+					   to 0 when a block group is
+					   contiguous. */
 	u64		sr_blkno;	/* The first allocated block */
 	unsigned int	sr_bit_offset;	/* The bit in the bg */
 	unsigned int	sr_bits;	/* How many bits we claimed */
@@ -1604,6 +1606,7 @@ static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac,
 					  struct ocfs2_suballoc_result *res)
 {
 	int i;
+	u64 bg_blkno = res->sr_bg_blkno;  /* Save off */
 	struct ocfs2_extent_rec *rec;
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data;
 	struct ocfs2_chain_list *cl = &di->id2.i_chain;
@@ -1614,14 +1617,17 @@ static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac,
 	}
 
 	res->sr_blkno = res->sr_bg_blkno + res->sr_bit_offset;
+	res->sr_bg_blkno = 0;  /* Clear it for contig block groups */
 	if (!ocfs2_supports_discontig_bh(OCFS2_SB(ac->ac_inode->i_sb)) ||
 	    !bg->bg_list.l_next_free_rec)
 		return;
 
 	for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {
 		rec = &bg->bg_list.l_recs[i];
-		if (ocfs2_bg_discontig_fix_by_rec(res, rec, cl))
+		if (ocfs2_bg_discontig_fix_by_rec(res, rec, cl)) {
+			res->sr_bg_blkno = bg_blkno;  /* Restore */
 			break;
+		}
 	}
 }
 
@@ -1926,6 +1932,7 @@ bail:
 int ocfs2_claim_metadata(handle_t *handle,
 			 struct ocfs2_alloc_context *ac,
 			 u32 bits_wanted,
+			 u64 *suballoc_loc,
 			 u16 *suballoc_bit_start,
 			 unsigned int *num_bits,
 			 u64 *blkno_start)
@@ -1948,6 +1955,7 @@ int ocfs2_claim_metadata(handle_t *handle,
 	}
 	atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
 
+	*suballoc_loc = res.sr_bg_blkno;
 	*suballoc_bit_start = res.sr_bit_offset;
 	*blkno_start = res.sr_blkno;
 	ac->ac_bits_given += res.sr_bits;
@@ -1993,11 +2001,12 @@ int ocfs2_claim_new_inode(handle_t *handle,
 			  struct inode *dir,
 			  struct buffer_head *parent_fe_bh,
 			  struct ocfs2_alloc_context *ac,
+			  u64 *suballoc_loc,
 			  u16 *suballoc_bit,
 			  u64 *fe_blkno)
 {
 	int status;
-	struct ocfs2_suballoc_result res = { .sr_blkno = 0, };
+	struct ocfs2_suballoc_result res;
 
 	mlog_entry_void();
 
@@ -2021,6 +2030,7 @@ int ocfs2_claim_new_inode(handle_t *handle,
 
 	BUG_ON(res.sr_bits != 1);
 
+	*suballoc_loc = res.sr_bg_blkno;
 	*suballoc_bit = res.sr_bit_offset;
 	*fe_blkno = res.sr_blkno;
 	ac->ac_bits_given++;
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index 49b0b22d30c..a017dd3ee7d 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -86,6 +86,7 @@ int ocfs2_reserve_clusters(struct ocfs2_super *osb,
 int ocfs2_claim_metadata(handle_t *handle,
 			 struct ocfs2_alloc_context *ac,
 			 u32 bits_wanted,
+			 u64 *suballoc_loc,
 			 u16 *suballoc_bit_start,
 			 u32 *num_bits,
 			 u64 *blkno_start);
@@ -93,6 +94,7 @@ int ocfs2_claim_new_inode(handle_t *handle,
 			  struct inode *dir,
 			  struct buffer_head *parent_fe_bh,
 			  struct ocfs2_alloc_context *ac,
+			  u64 *suballoc_loc,
 			  u16 *suballoc_bit,
 			  u64 *fe_blkno);
 int ocfs2_claim_clusters(handle_t *handle,
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 2f6fd48c0ba..805167e226c 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2829,7 +2829,7 @@ static int ocfs2_create_xattr_block(struct inode *inode,
 	int ret;
 	u16 suballoc_bit_start;
 	u32 num_got;
-	u64 first_blkno;
+	u64 suballoc_loc, first_blkno;
 	struct ocfs2_dinode *di =  (struct ocfs2_dinode *)inode_bh->b_data;
 	struct buffer_head *new_bh = NULL;
 	struct ocfs2_xattr_block *xblk;
@@ -2842,8 +2842,8 @@ static int ocfs2_create_xattr_block(struct inode *inode,
 	}
 
 	ret = ocfs2_claim_metadata(ctxt->handle, ctxt->meta_ac, 1,
-				   &suballoc_bit_start, &num_got,
-				   &first_blkno);
+				   &suballoc_loc, &suballoc_bit_start,
+				   &num_got, &first_blkno);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto end;
@@ -2865,6 +2865,7 @@ static int ocfs2_create_xattr_block(struct inode *inode,
 	memset(xblk, 0, inode->i_sb->s_blocksize);
 	strcpy((void *)xblk, OCFS2_XATTR_BLOCK_SIGNATURE);
 	xblk->xb_suballoc_slot = cpu_to_le16(ctxt->meta_ac->ac_alloc_slot);
+	xblk->xb_suballoc_loc = cpu_to_le64(suballoc_loc);
 	xblk->xb_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 	xblk->xb_fs_generation =
 		cpu_to_le32(OCFS2_SB(inode->i_sb)->fs_generation);

From 8b06bc592ebc5a31e8d0b9c2ab17c6e78dde1f86 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Fri, 26 Mar 2010 10:09:29 +0800
Subject: [PATCH 0100/3638] ocfs2: Grow discontig block groups in one
 transaction.

Rather than extending the transaction every time we add an extent to a
discontiguous block group, we grab enough credits to fill the extent
list up front.  This means we can free the bits in the same transaction
if we end up not getting enough space.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/journal.h  | 12 ++++++++++++
 fs/ocfs2/suballoc.c | 48 +++++++++++++++++++++------------------------
 2 files changed, 34 insertions(+), 26 deletions(-)

diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 7dc56561c9a..b5baaa8e710 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -561,6 +561,18 @@ static inline int ocfs2_calc_group_alloc_credits(struct super_block *sb,
 	return blocks;
 }
 
+/*
+ * Allocating a discontiguous block group requires the credits from
+ * ocfs2_calc_group_alloc_credits() as well as enough credits to fill
+ * the group descriptor's extent list.  The caller already has started
+ * the transaction with ocfs2_calc_group_alloc_credits().  They extend
+ * it with these credits.
+ */
+static inline int ocfs2_calc_bg_discontig_credits(struct super_block *sb)
+{
+	return ocfs2_extent_recs_per_gd(sb);
+}
+
 static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb,
 						unsigned int clusters_to_del,
 						struct ocfs2_dinode *fe,
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 7809f41bcbf..e5403acdb3f 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -523,12 +523,6 @@ static int ocfs2_block_group_grow_discontig(handle_t *handle,
 
 	while ((needed > 0) && (le16_to_cpu(el->l_next_free_rec) <
 				le16_to_cpu(el->l_count))) {
-		status = ocfs2_extend_trans(handle, OCFS2_SUBALLOC_ALLOC);
-		if (status) {
-			mlog_errno(status);
-			goto bail;
-		}
-
 		if (min_bits > needed)
 			min_bits = needed;
 		status = ocfs2_block_group_claim_bits(osb, handle, ac,
@@ -556,11 +550,12 @@ bail:
 	return status;
 }
 
-static void ocfs2_bg_alloc_cleanup(struct inode *alloc_inode,
-				   struct buffer_head *bg_bh,
-				   struct ocfs2_cached_dealloc_ctxt *dealloc)
+static void ocfs2_bg_alloc_cleanup(handle_t *handle,
+				   struct ocfs2_alloc_context *cluster_ac,
+				   struct inode *alloc_inode,
+				   struct buffer_head *bg_bh)
 {
-	int i;
+	int i, ret;
 	struct ocfs2_group_desc *bg;
 	struct ocfs2_extent_list *el;
 	struct ocfs2_extent_rec *rec;
@@ -572,9 +567,13 @@ static void ocfs2_bg_alloc_cleanup(struct inode *alloc_inode,
 	el = &bg->bg_list;
 	for (i = 0; i < le16_to_cpu(el->l_next_free_rec); i++) {
 		rec = &el->l_recs[i];
-		ocfs2_cache_cluster_dealloc(dealloc,
-					    le64_to_cpu(rec->e_blkno),
-					    le32_to_cpu(rec->e_leaf_clusters));
+		ret = ocfs2_free_clusters(handle, cluster_ac->ac_inode,
+					  cluster_ac->ac_bh,
+					  le64_to_cpu(rec->e_blkno),
+					  le32_to_cpu(rec->e_leaf_clusters));
+		if (ret)
+			mlog_errno(ret);
+		/* Try all the clusters to free */
 	}
 
 	ocfs2_remove_from_cache(INODE_CACHE(alloc_inode), bg_bh);
@@ -585,8 +584,7 @@ static struct buffer_head *
 ocfs2_block_group_alloc_discontig(handle_t *handle,
 				  struct inode *alloc_inode,
 				  struct ocfs2_alloc_context *ac,
-				  struct ocfs2_chain_list *cl,
-				  struct ocfs2_cached_dealloc_ctxt *dealloc)
+				  struct ocfs2_chain_list *cl)
 {
 	int status;
 	u32 bit_off, num_bits;
@@ -601,6 +599,13 @@ ocfs2_block_group_alloc_discontig(handle_t *handle,
 		goto bail;
 	}
 
+	status = ocfs2_extend_trans(handle,
+				    ocfs2_calc_bg_discontig_credits(osb->sb));
+	if (status) {
+		mlog_errno(status);
+		goto bail;
+	}
+
 	/* Claim the first region */
 	status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits,
 					      &bit_off, &num_bits);
@@ -638,7 +643,7 @@ ocfs2_block_group_alloc_discontig(handle_t *handle,
 
 bail:
 	if (status)
-		ocfs2_bg_alloc_cleanup(alloc_inode, bg_bh, dealloc);
+		ocfs2_bg_alloc_cleanup(handle, ac, alloc_inode, bg_bh);
 	return status ? ERR_PTR(status) : bg_bh;
 }
 
@@ -660,14 +665,11 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 	u64 bg_blkno;
 	struct buffer_head *bg_bh = NULL;
 	struct ocfs2_group_desc *bg;
-	struct ocfs2_cached_dealloc_ctxt dealloc;
 
 	BUG_ON(ocfs2_is_cluster_bitmap(alloc_inode));
 
 	mlog_entry_void();
 
-	ocfs2_init_dealloc_ctxt(&dealloc);
-
 	cl = &fe->id2.i_chain;
 	status = ocfs2_reserve_clusters_with_limit(osb,
 						   le16_to_cpu(cl->cl_cpg),
@@ -699,8 +701,7 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 	if (IS_ERR(bg_bh) && (PTR_ERR(bg_bh) == -ENOSPC))
 		bg_bh = ocfs2_block_group_alloc_discontig(handle,
 							  alloc_inode,
-							  ac, cl,
-							  &dealloc);
+							  ac, cl);
 	if (IS_ERR(bg_bh)) {
 		status = PTR_ERR(bg_bh);
 		bg_bh = NULL;
@@ -750,11 +751,6 @@ bail:
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
 
-	if (ocfs2_dealloc_has_cluster(&dealloc)) {
-		ocfs2_schedule_truncate_log_flush(osb, 1);
-		ocfs2_run_deallocs(osb, &dealloc);
-	}
-
 	if (ac)
 		ocfs2_free_alloc_context(ac);
 

From 95ec0adf0b56d6a3f0ca1ec87173311898486b2e Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Fri, 26 Mar 2010 10:10:08 +0800
Subject: [PATCH 0101/3638] ocfs2: Don't relink cluster groups when allocating
 discontig block groups

We don't have enough credits, and the filesystem is in a full state
anyway.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/suballoc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index e5403acdb3f..5852a46647a 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -606,6 +606,14 @@ ocfs2_block_group_alloc_discontig(handle_t *handle,
 		goto bail;
 	}
 
+	/*
+	 * We're going to be grabbing from multiple cluster groups.
+	 * We don't have enough credits to relink them all, and the
+	 * cluster groups will be staying in cache for the duration of
+	 * this operation.
+	 */
+	ac->ac_allow_chain_relink = 0;
+
 	/* Claim the first region */
 	status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits,
 					      &bit_off, &num_bits);

From 4711954eaa8d30f653fda238cecf919f1ae40d6f Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Thu, 22 Apr 2010 14:09:15 +0800
Subject: [PATCH 0102/3638] ocfs2: Some tiny bug fixes for discontiguous block
 allocation.

The fixes include:
1. some endian problems.
2. we should use bit/bpc in ocfs2_block_group_grow_discontig to
   allocate clusters.
3. set num_clusters properly in __ocfs2_claim_clusters.
4. change name from ocfs2_supports_discontig_bh to
   ocfs2_supports_discontig_bg.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/ocfs2.h    |  2 +-
 fs/ocfs2/suballoc.c | 38 ++++++++++++++++++++++++--------------
 2 files changed, 25 insertions(+), 15 deletions(-)

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index d389f2714c9..c67003b6b5a 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -491,7 +491,7 @@ static inline int ocfs2_supports_indexed_dirs(struct ocfs2_super *osb)
 	return 0;
 }
 
-static inline int ocfs2_supports_discontig_bh(struct ocfs2_super *osb)
+static inline int ocfs2_supports_discontig_bg(struct ocfs2_super *osb)
 {
 	if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG)
 		return 1;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 5852a46647a..b7491e2481c 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -341,15 +341,17 @@ static void ocfs2_bg_discontig_add_extent(struct ocfs2_super *osb,
 	struct ocfs2_extent_list *el = &bg->bg_list;
 	struct ocfs2_extent_rec *rec;
 
-	BUG_ON(!ocfs2_supports_discontig_bh(osb));
+	BUG_ON(!ocfs2_supports_discontig_bg(osb));
 	if (!el->l_next_free_rec)
 		el->l_count = cpu_to_le16(ocfs2_extent_recs_per_gd(osb->sb));
 	rec = &el->l_recs[le16_to_cpu(el->l_next_free_rec)];
-	rec->e_blkno = p_blkno;
+	rec->e_blkno = cpu_to_le64(p_blkno);
 	rec->e_cpos = cpu_to_le32(le16_to_cpu(bg->bg_bits) /
 				  le16_to_cpu(cl->cl_bpc));
 	rec->e_leaf_clusters = cpu_to_le32(clusters);
 	le16_add_cpu(&bg->bg_bits, clusters * le16_to_cpu(cl->cl_bpc));
+	le16_add_cpu(&bg->bg_free_bits_count,
+		     clusters * le16_to_cpu(cl->cl_bpc));
 	le16_add_cpu(&el->l_next_free_rec, 1);
 }
 
@@ -397,7 +399,7 @@ static int ocfs2_block_group_fill(handle_t *handle,
 	if (group_clusters == le16_to_cpu(cl->cl_cpg))
 		bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl));
 	else
-		ocfs2_bg_discontig_add_extent(osb, bg, cl, bg->bg_blkno,
+		ocfs2_bg_discontig_add_extent(osb, bg, cl, group_blkno,
 					      group_clusters);
 
 	/* set the 1st bit in the bitmap to account for the descriptor block */
@@ -506,8 +508,8 @@ static int ocfs2_block_group_grow_discontig(handle_t *handle,
 	struct ocfs2_super *osb = OCFS2_SB(alloc_inode->i_sb);
 	struct ocfs2_group_desc *bg =
 		(struct ocfs2_group_desc *)bg_bh->b_data;
-	unsigned int needed =
-		ocfs2_bits_per_group(cl) - le16_to_cpu(bg->bg_bits);
+	unsigned int needed = le16_to_cpu(cl->cl_cpg) -
+			 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);
 	u32 p_cpos, clusters;
 	u64 p_blkno;
 	struct ocfs2_extent_list *el = &bg->bg_list;
@@ -538,10 +540,17 @@ static int ocfs2_block_group_grow_discontig(handle_t *handle,
 					      clusters);
 
 		min_bits = clusters;
-		needed = ocfs2_bits_per_group(cl) - le16_to_cpu(bg->bg_bits);
+		needed = le16_to_cpu(cl->cl_cpg) -
+			 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);
 	}
 
 	if (needed > 0) {
+		/*
+		 * We have used up all the extent rec but can't fill up
+		 * the cpg. So bail out.
+		 */
+		status = -ENOSPC;
+		goto bail;
 	}
 
 	ocfs2_journal_dirty(handle, bg_bh);
@@ -594,7 +603,7 @@ ocfs2_block_group_alloc_discontig(handle_t *handle,
 	unsigned int alloc_rec = ocfs2_find_smallest_chain(cl);
 	struct ocfs2_super *osb = OCFS2_SB(alloc_inode->i_sb);
 
-	if (!ocfs2_supports_discontig_bh(osb)) {
+	if (!ocfs2_supports_discontig_bg(osb)) {
 		status = -ENOSPC;
 		goto bail;
 	}
@@ -670,7 +679,7 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 	struct ocfs2_chain_list *cl;
 	struct ocfs2_alloc_context *ac = NULL;
 	handle_t *handle = NULL;
-	u64 bg_blkno;
+	u16 alloc_rec;
 	struct buffer_head *bg_bh = NULL;
 	struct ocfs2_group_desc *bg;
 
@@ -726,11 +735,12 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 		goto bail;
 	}
 
-	le32_add_cpu(&cl->cl_recs[bg->bg_chain].c_free,
+	alloc_rec = le16_to_cpu(bg->bg_chain);
+	le32_add_cpu(&cl->cl_recs[alloc_rec].c_free,
 		     le16_to_cpu(bg->bg_free_bits_count));
-	le32_add_cpu(&cl->cl_recs[bg->bg_chain].c_total,
+	le32_add_cpu(&cl->cl_recs[alloc_rec].c_total,
 		     le16_to_cpu(bg->bg_bits));
-	cl->cl_recs[bg->bg_chain].c_blkno  = cpu_to_le64(bg_blkno);
+	cl->cl_recs[alloc_rec].c_blkno  = cpu_to_le64(bg->bg_blkno);
 	if (le16_to_cpu(cl->cl_next_free_rec) < le16_to_cpu(cl->cl_count))
 		le16_add_cpu(&cl->cl_next_free_rec, 1);
 
@@ -1622,7 +1632,7 @@ static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac,
 
 	res->sr_blkno = res->sr_bg_blkno + res->sr_bit_offset;
 	res->sr_bg_blkno = 0;  /* Clear it for contig block groups */
-	if (!ocfs2_supports_discontig_bh(OCFS2_SB(ac->ac_inode->i_sb)) ||
+	if (!ocfs2_supports_discontig_bg(OCFS2_SB(ac->ac_inode->i_sb)) ||
 	    !bg->bg_list.l_next_free_rec)
 		return;
 
@@ -2162,6 +2172,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
 								 res.sr_bg_blkno,
 								 res.sr_bit_offset);
 			atomic_inc(&osb->alloc_stats.bitmap_data);
+			*num_clusters = res.sr_bits;
 		}
 	}
 	if (status < 0) {
@@ -2170,8 +2181,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
 		goto bail;
 	}
 
-	ac->ac_bits_given += res.sr_bits;
-	*num_clusters = res.sr_bits;
+	ac->ac_bits_given += *num_clusters;
 
 bail:
 	mlog_exit(status);

From 8571882c21e5073b2f96147ec4ff9b7042339e1b Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Tue, 13 Apr 2010 14:38:06 +0800
Subject: [PATCH 0103/3638] ocfs2: ocfs2_group_bitmap_size has to handle old
 volume.

ocfs2_group_bitmap_size has to handle the case when the
volume don't have discontiguous block group support. So
pass the feature_incompat in and check it.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/localalloc.c |  2 +-
 fs/ocfs2/ocfs2_fs.h   | 37 +++++++++++++++++++++++++------------
 fs/ocfs2/resize.c     |  6 ++++--
 fs/ocfs2/suballoc.c   |  3 ++-
 fs/ocfs2/super.c      |  3 ++-
 5 files changed, 34 insertions(+), 17 deletions(-)

diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index aab1b634cc8..3d7419682dc 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -122,7 +122,7 @@ unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb)
 	struct super_block *sb = osb->sb;
 
 	gd_mb = ocfs2_clusters_to_megabytes(osb->sb,
-					    8 * ocfs2_group_bitmap_size(sb, 0));
+		8 * ocfs2_group_bitmap_size(sb, 0, osb->s_feature_incompat));
 
 	/*
 	 * This takes care of files systems with very small group
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index a17bce591ee..67bb8a77e86 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -1338,15 +1338,21 @@ static inline u16 ocfs2_local_alloc_size(struct super_block *sb)
 }
 
 static inline int ocfs2_group_bitmap_size(struct super_block *sb,
-					  int suballocator)
+					  int suballocator,
+					  u32 feature_incompat)
 {
-	int size;
+	int size = sb->s_blocksize -
+		offsetof(struct ocfs2_group_desc, bg_bitmap);
 
-	if (suballocator)
+	/*
+	 * The cluster allocator uses the entire block.  Suballocators have
+	 * never used more than OCFS2_MAX_BG_BITMAP_SIZE.  Unfortunately, older
+	 * code expects bg_size set to the maximum.  Thus we must keep
+	 * bg_size as-is unless discontig_bg is enabled.
+	 */
+	if (suballocator &&
+	    (feature_incompat & OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG))
 		size = OCFS2_MAX_BG_BITMAP_SIZE;
-	else
-		size = sb->s_blocksize -
-			offsetof(struct ocfs2_group_desc, bg_bitmap);
 
 	return size;
 }
@@ -1479,15 +1485,22 @@ static inline int ocfs2_local_alloc_size(int blocksize)
 	return size;
 }
 
-static inline int ocfs2_group_bitmap_size(int blocksize, int suballocator)
+static inline int ocfs2_group_bitmap_size(int blocksize,
+					  int suballocator,
+					  uint32_t feature_incompat)
 {
-	int size;
+	int size = sb->s_blocksize -
+		offsetof(struct ocfs2_group_desc, bg_bitmap);
 
-	if (suballocator)
+	/*
+	 * The cluster allocator uses the entire block.  Suballocators have
+	 * never used more than OCFS2_MAX_BG_BITMAP_SIZE.  Unfortunately, older
+	 * code expects bg_size set to the maximum.  Thus we must keep
+	 * bg_size as-is unless discontig_bg is enabled.
+	 */
+	if (suballocator &&
+	    (feature_incompat & OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG))
 		size = OCFS2_MAX_BG_BITMAP_SIZE;
-	else
-		size = blocksize -
-			offsetof(struct ocfs2_group_desc, bg_bitmap);
 
 	return size;
 }
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index 5bbfc123781..dacd553d861 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -315,7 +315,8 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters)
 	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
 
 	if (le16_to_cpu(fe->id2.i_chain.cl_cpg) !=
-				 ocfs2_group_bitmap_size(osb->sb, 0) * 8) {
+		ocfs2_group_bitmap_size(osb->sb, 0,
+					osb->s_feature_incompat) * 8) {
 		mlog(ML_ERROR, "The disk is too old and small. "
 		     "Force to do offline resize.");
 		ret = -EINVAL;
@@ -496,7 +497,8 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input)
 	fe = (struct ocfs2_dinode *)main_bm_bh->b_data;
 
 	if (le16_to_cpu(fe->id2.i_chain.cl_cpg) !=
-				 ocfs2_group_bitmap_size(osb->sb, 0) * 8) {
+		ocfs2_group_bitmap_size(osb->sb, 0,
+					osb->s_feature_incompat) * 8) {
 		mlog(ML_ERROR, "The disk is too old and small."
 		     " Force to do offline resize.");
 		ret = -EINVAL;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index b7491e2481c..6f39da4a9a1 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -391,7 +391,8 @@ static int ocfs2_block_group_fill(handle_t *handle,
 	memset(bg, 0, sb->s_blocksize);
 	strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE);
 	bg->bg_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);
-	bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1));
+	bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1,
+						osb->s_feature_incompat));
 	bg->bg_chain = cpu_to_le16(my_chain);
 	bg->bg_next_group = cl->cl_recs[my_chain].c_blkno;
 	bg->bg_parent_dinode = cpu_to_le64(OCFS2_I(alloc_inode)->ip_blkno);
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 59930ee4fe2..106becf5d00 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2277,7 +2277,8 @@ static int ocfs2_initialize_super(struct super_block *sb,
 	osb->osb_clusters_at_boot = OCFS2_I(inode)->ip_clusters;
 	iput(inode);
 
-	osb->bitmap_cpg = ocfs2_group_bitmap_size(sb, 0) * 8;
+	osb->bitmap_cpg = ocfs2_group_bitmap_size(sb, 0,
+				 osb->s_feature_incompat) * 8;
 
 	status = ocfs2_init_slot_info(osb);
 	if (status < 0) {

From af2bf0d86019e0b0306965321096f8380b7ca830 Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Mon, 17 May 2010 15:14:17 +0800
Subject: [PATCH 0104/3638] ocfs2: Add ocfs2_gd_is_discontig.

Add ocfs2_gd_is_discontig so that we can test whether
a group descriptor is discontiguous or not.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/ocfs2_fs.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 67bb8a77e86..b01d0dddfcc 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -1574,5 +1574,19 @@ static inline void ocfs2_set_de_type(struct ocfs2_dir_entry *de,
 	de->file_type = ocfs2_type_by_mode[(mode & S_IFMT)>>S_SHIFT];
 }
 
+static inline int ocfs2_gd_is_discontig(struct ocfs2_group_desc *gd)
+{
+	if ((offsetof(struct ocfs2_group_desc, bg_bitmap) +
+	     le16_to_cpu(gd->bg_size)) !=
+	    offsetof(struct ocfs2_group_desc, bg_list))
+		return 0;
+	/*
+	 * Only valid to check l_next_free_rec if
+	 * bg_bitmap + bg_size == bg_list.
+	 */
+	if (!gd->bg_list.l_next_free_rec)
+		return 0;
+	return 1;
+}
 #endif  /* _OCFS2_FS_H */
 

From 74380c479ad83addeff8a172ab95f59557b5b0c3 Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Mon, 22 Mar 2010 14:20:18 +0800
Subject: [PATCH 0105/3638] ocfs2: Free block to the right block group.

In case the block we are going to free is allocated from
a discontiguous block group, we have to use suballoc_loc
to be the right group.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/alloc.c        | 18 ++++++++++++------
 fs/ocfs2/alloc.h        |  2 +-
 fs/ocfs2/dir.c          |  5 ++++-
 fs/ocfs2/refcounttree.c |  6 +++++-
 fs/ocfs2/suballoc.c     |  2 ++
 fs/ocfs2/xattr.c        |  5 ++++-
 6 files changed, 28 insertions(+), 10 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 479d2ecae34..af2d1bd00d0 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -6203,6 +6203,7 @@ int ocfs2_truncate_log_init(struct ocfs2_super *osb)
  */
 struct ocfs2_cached_block_free {
 	struct ocfs2_cached_block_free		*free_next;
+	u64					free_bg;
 	u64					free_blk;
 	unsigned int				free_bit;
 };
@@ -6249,8 +6250,11 @@ static int ocfs2_free_cached_blocks(struct ocfs2_super *osb,
 	}
 
 	while (head) {
-		bg_blkno = ocfs2_which_suballoc_group(head->free_blk,
-						      head->free_bit);
+		if (head->free_bg)
+			bg_blkno = head->free_bg;
+		else
+			bg_blkno = ocfs2_which_suballoc_group(head->free_blk,
+							      head->free_bit);
 		mlog(0, "Free bit: (bit %u, blkno %llu)\n",
 		     head->free_bit, (unsigned long long)head->free_blk);
 
@@ -6298,7 +6302,7 @@ int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
 	int ret = 0;
 	struct ocfs2_cached_block_free *item;
 
-	item = kmalloc(sizeof(*item), GFP_NOFS);
+	item = kzalloc(sizeof(*item), GFP_NOFS);
 	if (item == NULL) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -6438,8 +6442,8 @@ ocfs2_find_per_slot_free_list(int type,
 }
 
 int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
-			      int type, int slot, u64 blkno,
-			      unsigned int bit)
+			      int type, int slot, u64 suballoc,
+			      u64 blkno, unsigned int bit)
 {
 	int ret;
 	struct ocfs2_per_slot_free_list *fl;
@@ -6452,7 +6456,7 @@ int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
 		goto out;
 	}
 
-	item = kmalloc(sizeof(*item), GFP_NOFS);
+	item = kzalloc(sizeof(*item), GFP_NOFS);
 	if (item == NULL) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -6462,6 +6466,7 @@ int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
 	mlog(0, "Insert: (type %d, slot %u, bit %u, blk %llu)\n",
 	     type, slot, bit, (unsigned long long)blkno);
 
+	item->free_bg = suballoc;
 	item->free_blk = blkno;
 	item->free_bit = bit;
 	item->free_next = fl->f_first;
@@ -6478,6 +6483,7 @@ static int ocfs2_cache_extent_block_free(struct ocfs2_cached_dealloc_ctxt *ctxt,
 {
 	return ocfs2_cache_block_dealloc(ctxt, EXTENT_ALLOC_SYSTEM_INODE,
 					 le16_to_cpu(eb->h_suballoc_slot),
+					 le64_to_cpu(eb->h_suballoc_loc),
 					 le64_to_cpu(eb->h_blkno),
 					 le16_to_cpu(eb->h_suballoc_bit));
 }
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index 1db4359ccb9..fc28d64398c 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -209,7 +209,7 @@ static inline void ocfs2_init_dealloc_ctxt(struct ocfs2_cached_dealloc_ctxt *c)
 int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
 				u64 blkno, unsigned int bit);
 int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
-			      int type, int slot, u64 blkno,
+			      int type, int slot, u64 suballoc, u64 blkno,
 			      unsigned int bit);
 static inline int ocfs2_dealloc_has_cluster(struct ocfs2_cached_dealloc_ctxt *c)
 {
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 341bb8f811e..3fea52d0efd 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -4466,7 +4466,10 @@ static int ocfs2_dx_dir_remove_index(struct inode *dir,
 
 	blk = le64_to_cpu(dx_root->dr_blkno);
 	bit = le16_to_cpu(dx_root->dr_suballoc_bit);
-	bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+	if (dx_root->dr_suballoc_loc)
+		bg_blkno = le64_to_cpu(dx_root->dr_suballoc_loc);
+	else
+		bg_blkno = ocfs2_which_suballoc_group(blk, bit);
 	ret = ocfs2_free_suballoc_bits(handle, dx_alloc_inode, dx_alloc_bh,
 				       bit, bg_blkno, 1);
 	if (ret)
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 275920e8a40..b3470298422 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -792,7 +792,10 @@ int ocfs2_remove_refcount_tree(struct inode *inode, struct buffer_head *di_bh)
 	if (le32_to_cpu(rb->rf_count) == 1) {
 		blk = le64_to_cpu(rb->rf_blkno);
 		bit = le16_to_cpu(rb->rf_suballoc_bit);
-		bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+		if (rb->rf_suballoc_loc)
+			bg_blkno = le64_to_cpu(rb->rf_suballoc_loc);
+		else
+			bg_blkno = ocfs2_which_suballoc_group(blk, bit);
 
 		alloc_inode = ocfs2_get_system_file_inode(osb,
 					EXTENT_ALLOC_SYSTEM_INODE,
@@ -2108,6 +2111,7 @@ static int ocfs2_remove_refcount_extent(handle_t *handle,
 	 */
 	ret = ocfs2_cache_block_dealloc(dealloc, EXTENT_ALLOC_SYSTEM_INODE,
 					le16_to_cpu(rb->rf_suballoc_slot),
+					le64_to_cpu(rb->rf_suballoc_loc),
 					le64_to_cpu(rb->rf_blkno),
 					le16_to_cpu(rb->rf_suballoc_bit));
 	if (ret) {
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 6f39da4a9a1..0c08353fdda 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -2349,6 +2349,8 @@ int ocfs2_free_dinode(handle_t *handle,
 	u16 bit = le16_to_cpu(di->i_suballoc_bit);
 	u64 bg_blkno = ocfs2_which_suballoc_group(blk, bit);
 
+	if (di->i_suballoc_loc)
+		bg_blkno = le64_to_cpu(di->i_suballoc_loc);
 	return ocfs2_free_suballoc_bits(handle, inode_alloc_inode,
 					inode_alloc_bh, bit, bg_blkno, 1);
 }
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 805167e226c..a1cf195935c 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2466,7 +2466,10 @@ static int ocfs2_xattr_free_block(struct inode *inode,
 	xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
 	blk = le64_to_cpu(xb->xb_blkno);
 	bit = le16_to_cpu(xb->xb_suballoc_bit);
-	bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+	if (xb->xb_suballoc_loc)
+		bg_blkno = le64_to_cpu(xb->xb_suballoc_loc);
+	else
+		bg_blkno = ocfs2_which_suballoc_group(blk, bit);
 
 	xb_alloc_inode = ocfs2_get_system_file_inode(osb,
 				EXTENT_ALLOC_SYSTEM_INODE,

From abf1b3cb5b20fbad27ca9c7497235eeb4dd3f4fd Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Tue, 27 Apr 2010 08:30:36 +0800
Subject: [PATCH 0106/3638] ocfs2: Set ac_last_group properly with discontig
 group.

ac_last_group is used to record the last block group we
used during allocation. But the initialization process
only calls ocfs2_which_suballoc_group and fails to
use suballoc_loc properly. So let us do it.
Another function ocfs2_test_suballoc_bit also needs fix.

I have searched all the callers of ocfs2_which_suballoc_group,
and all the callers notices suballoc_loc now.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/suballoc.c | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 0c08353fdda..a327c80721e 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -1982,10 +1982,10 @@ bail:
 }
 
 static void ocfs2_init_inode_ac_group(struct inode *dir,
-				      struct buffer_head *parent_fe_bh,
+				      struct buffer_head *parent_di_bh,
 				      struct ocfs2_alloc_context *ac)
 {
-	struct ocfs2_dinode *fe = (struct ocfs2_dinode *)parent_fe_bh->b_data;
+	struct ocfs2_dinode *di = (struct ocfs2_dinode *)parent_di_bh->b_data;
 	/*
 	 * Try to allocate inodes from some specific group.
 	 *
@@ -1999,10 +1999,14 @@ static void ocfs2_init_inode_ac_group(struct inode *dir,
 	if (OCFS2_I(dir)->ip_last_used_group &&
 	    OCFS2_I(dir)->ip_last_used_slot == ac->ac_alloc_slot)
 		ac->ac_last_group = OCFS2_I(dir)->ip_last_used_group;
-	else if (le16_to_cpu(fe->i_suballoc_slot) == ac->ac_alloc_slot)
-		ac->ac_last_group = ocfs2_which_suballoc_group(
-					le64_to_cpu(fe->i_blkno),
-					le16_to_cpu(fe->i_suballoc_bit));
+	else if (le16_to_cpu(di->i_suballoc_slot) == ac->ac_alloc_slot) {
+		if (di->i_suballoc_loc)
+			ac->ac_last_group = le64_to_cpu(di->i_suballoc_loc);
+		else
+			ac->ac_last_group = ocfs2_which_suballoc_group(
+					le64_to_cpu(di->i_blkno),
+					le16_to_cpu(di->i_suballoc_bit));
+	}
 }
 
 static inline void ocfs2_save_inode_ac_group(struct inode *dir,
@@ -2620,7 +2624,7 @@ static int ocfs2_test_suballoc_bit(struct ocfs2_super *osb,
 				   struct buffer_head *alloc_bh, u64 blkno,
 				   u16 bit, int *res)
 {
-	struct ocfs2_dinode *alloc_fe;
+	struct ocfs2_dinode *alloc_di;
 	struct ocfs2_group_desc *group;
 	struct buffer_head *group_bh = NULL;
 	u64 bg_blkno;
@@ -2629,17 +2633,20 @@ static int ocfs2_test_suballoc_bit(struct ocfs2_super *osb,
 	mlog_entry("blkno: %llu bit: %u\n", (unsigned long long)blkno,
 		   (unsigned int)bit);
 
-	alloc_fe = (struct ocfs2_dinode *)alloc_bh->b_data;
-	if ((bit + 1) > ocfs2_bits_per_group(&alloc_fe->id2.i_chain)) {
+	alloc_di = (struct ocfs2_dinode *)alloc_bh->b_data;
+	if ((bit + 1) > ocfs2_bits_per_group(&alloc_di->id2.i_chain)) {
 		mlog(ML_ERROR, "suballoc bit %u out of range of %u\n",
 		     (unsigned int)bit,
-		     ocfs2_bits_per_group(&alloc_fe->id2.i_chain));
+		     ocfs2_bits_per_group(&alloc_di->id2.i_chain));
 		status = -EINVAL;
 		goto bail;
 	}
 
-	bg_blkno = ocfs2_which_suballoc_group(blkno, bit);
-	status = ocfs2_read_group_descriptor(suballoc, alloc_fe, bg_blkno,
+	if (alloc_di->i_suballoc_loc)
+		bg_blkno = le64_to_cpu(alloc_di->i_suballoc_loc);
+	else
+		bg_blkno = ocfs2_which_suballoc_group(blkno, bit);
+	status = ocfs2_read_group_descriptor(suballoc, alloc_di, bg_blkno,
 					     &group_bh);
 	if (status < 0) {
 		mlog(ML_ERROR, "read group %llu failed %d\n",

From 1a934c3e57594588c373aea858e4593cdfcba4f4 Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Thu, 18 Mar 2010 15:54:22 +0800
Subject: [PATCH 0107/3638] ocfs2: enable discontig block group support.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/ocfs2/ocfs2_fs.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index b01d0dddfcc..33f1c9a8258 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -100,7 +100,8 @@
 					 | OCFS2_FEATURE_INCOMPAT_XATTR \
 					 | OCFS2_FEATURE_INCOMPAT_META_ECC \
 					 | OCFS2_FEATURE_INCOMPAT_INDEXED_DIRS \
-					 | OCFS2_FEATURE_INCOMPAT_REFCOUNT_TREE)
+					 | OCFS2_FEATURE_INCOMPAT_REFCOUNT_TREE \
+					 | OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG)
 #define OCFS2_FEATURE_RO_COMPAT_SUPP	(OCFS2_FEATURE_RO_COMPAT_UNWRITTEN \
 					 | OCFS2_FEATURE_RO_COMPAT_USRQUOTA \
 					 | OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)

From 1caea61eda5c4d446147aa0e712ba395bb6b81c3 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Thu, 18 Mar 2010 12:09:53 +0100
Subject: [PATCH 0108/3638] HID: output event in debugfs even if
 hid_get_report() fails

if hid_get_report() fails for whatever reason, the raw output of
the report doesn't make it into 'events' file in debugfs at all, because
we leave hid_input_report() too soon.

We want the report to be always present for debugging reasons. Move the
code around, so that the event makes it to 'events' file all the time,
even if we are going to discard the report.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 368fbb0c4ca..c49aaa21e1a 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1096,20 +1096,11 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
 		goto nomem;
 	}
 
-	snprintf(buf, HID_DEBUG_BUFSIZE - 1,
-			"\nreport (size %u) (%snumbered)\n", size, report_enum->numbered ? "" : "un");
-	hid_debug_event(hid, buf);
-
-	report = hid_get_report(report_enum, data);
-	if (!report) {
-		kfree(buf);
-		return -1;
-	}
-
 	/* dump the report */
 	snprintf(buf, HID_DEBUG_BUFSIZE - 1,
-			"report %d (size %u) = ", report->id, size);
+			"\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
 	hid_debug_event(hid, buf);
+
 	for (i = 0; i < size; i++) {
 		snprintf(buf, HID_DEBUG_BUFSIZE - 1,
 				" %02x", data[i]);
@@ -1117,6 +1108,13 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
 	}
 	hid_debug_event(hid, "\n");
 
+	report = hid_get_report(report_enum, data);
+
+	if (!report) {
+		kfree(buf);
+		return -1;
+	}
+
 	kfree(buf);
 
 nomem:

From 304a204ec9d4b9b31f3491e736bfbba44feaa1b0 Mon Sep 17 00:00:00 2001
From: Shane Wang <shane.wang@intel.com>
Date: Thu, 18 Mar 2010 20:22:55 +0800
Subject: [PATCH 0109/3638] crypto: vmac - Fix big-endian support

This patch is to fix the vmac algorithm, add more test cases for vmac,
and fix the test failure on some big endian system like s390.

Signed-off-by: Shane Wang <shane.wang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/testmgr.h | 64 ++++++++++++++++++++++++++++++++++++++---
 crypto/vmac.c    | 75 +++++++++++++++++++++++-------------------------
 2 files changed, 96 insertions(+), 43 deletions(-)

diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index fb765173d41..74e35377fd3 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -1669,17 +1669,73 @@ static struct hash_testvec aes_xcbc128_tv_template[] = {
 	}
 };
 
-#define VMAC_AES_TEST_VECTORS	1
-static char vmac_string[128] = {'\x01', '\x01', '\x01', '\x01',
+#define VMAC_AES_TEST_VECTORS	8
+static char vmac_string1[128] = {'\x01', '\x01', '\x01', '\x01',
 				'\x02', '\x03', '\x02', '\x02',
 				'\x02', '\x04', '\x01', '\x07',
 				'\x04', '\x01', '\x04', '\x03',};
+static char vmac_string2[128] = {'a', 'b', 'c',};
+static char vmac_string3[128] = {'a', 'b', 'c', 'a', 'b', 'c',
+				'a', 'b', 'c', 'a', 'b', 'c',
+				'a', 'b', 'c', 'a', 'b', 'c',
+				'a', 'b', 'c', 'a', 'b', 'c',
+				'a', 'b', 'c', 'a', 'b', 'c',
+				'a', 'b', 'c', 'a', 'b', 'c',
+				'a', 'b', 'c', 'a', 'b', 'c',
+				'a', 'b', 'c', 'a', 'b', 'c',
+				};
+
 static struct hash_testvec aes_vmac128_tv_template[] = {
 	{
+		.key	= "\x00\x01\x02\x03\x04\x05\x06\x07"
+			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
+		.plaintext = NULL,
+		.digest	= "\x07\x58\x80\x35\x77\xa4\x7b\x54",
+		.psize	= 0,
+		.ksize	= 16,
+	}, {
 		.key    = "\x00\x01\x02\x03\x04\x05\x06\x07"
 			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
-		.plaintext = vmac_string,
-		.digest = "\xcb\xd7\x8a\xfd\xb7\x33\x79\xe7",
+		.plaintext = vmac_string1,
+		.digest = "\xce\xf5\x3c\xd3\xae\x68\x8c\xa1",
+		.psize  = 128,
+		.ksize  = 16,
+	}, {
+		.key    = "\x00\x01\x02\x03\x04\x05\x06\x07"
+			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
+		.plaintext = vmac_string2,
+		.digest = "\xc9\x27\xb0\x73\x81\xbd\x14\x2d",
+		.psize  = 128,
+		.ksize  = 16,
+	}, {
+		.key    = "\x00\x01\x02\x03\x04\x05\x06\x07"
+			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
+		.plaintext = vmac_string3,
+		.digest = "\x8d\x1a\x95\x8c\x98\x47\x0b\x19",
+		.psize  = 128,
+		.ksize  = 16,
+	}, {
+		.key	= "abcdefghijklmnop",
+		.plaintext = NULL,
+		.digest	= "\x3b\x89\xa1\x26\x9e\x55\x8f\x84",
+		.psize	= 0,
+		.ksize	= 16,
+	}, {
+		.key    = "abcdefghijklmnop",
+		.plaintext = vmac_string1,
+		.digest = "\xab\x5e\xab\xb0\xf6\x8d\x74\xc2",
+		.psize  = 128,
+		.ksize  = 16,
+	}, {
+		.key    = "abcdefghijklmnop",
+		.plaintext = vmac_string2,
+		.digest = "\x11\x15\x68\x42\x3d\x7b\x09\xdf",
+		.psize  = 128,
+		.ksize  = 16,
+	}, {
+		.key    = "abcdefghijklmnop",
+		.plaintext = vmac_string3,
+		.digest = "\x8b\x32\x8f\xe1\xed\x8f\xfa\xd4",
 		.psize  = 128,
 		.ksize  = 16,
 	},
diff --git a/crypto/vmac.c b/crypto/vmac.c
index 0a9468e575d..0999274a27a 100644
--- a/crypto/vmac.c
+++ b/crypto/vmac.c
@@ -43,6 +43,8 @@ const u64 m63   = UINT64_C(0x7fffffffffffffff);  /* 63-bit mask       */
 const u64 m64   = UINT64_C(0xffffffffffffffff);  /* 64-bit mask       */
 const u64 mpoly = UINT64_C(0x1fffffff1fffffff);  /* Poly key mask     */
 
+#define pe64_to_cpup le64_to_cpup		/* Prefer little endian */
+
 #ifdef __LITTLE_ENDIAN
 #define INDEX_HIGH 1
 #define INDEX_LOW 0
@@ -110,8 +112,8 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff);  /* Poly key mask     */
 		int i; u64 th, tl;					\
 		rh = rl = 0;						\
 		for (i = 0; i < nw; i += 2) {				\
-			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i],	\
-				le64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i],	\
+				pe64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
 			ADD128(rh, rl, th, tl);				\
 		}							\
 	} while (0)
@@ -121,11 +123,11 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff);  /* Poly key mask     */
 		int i; u64 th, tl;					\
 		rh1 = rl1 = rh = rl = 0;				\
 		for (i = 0; i < nw; i += 2) {				\
-			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i],	\
-				le64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i],	\
+				pe64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
 			ADD128(rh, rl, th, tl);				\
-			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i+2],	\
-				le64_to_cpup((mp)+i+1)+(kp)[i+3]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i+2],	\
+				pe64_to_cpup((mp)+i+1)+(kp)[i+3]);	\
 			ADD128(rh1, rl1, th, tl);			\
 		}							\
 	} while (0)
@@ -136,17 +138,17 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff);  /* Poly key mask     */
 		int i; u64 th, tl;					\
 		rh = rl = 0;						\
 		for (i = 0; i < nw; i += 8) {				\
-			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i],	\
-				le64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i],	\
+				pe64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
 			ADD128(rh, rl, th, tl);				\
-			MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+2],	\
-				le64_to_cpup((mp)+i+3)+(kp)[i+3]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+2],	\
+				pe64_to_cpup((mp)+i+3)+(kp)[i+3]);	\
 			ADD128(rh, rl, th, tl);				\
-			MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+4],	\
-				le64_to_cpup((mp)+i+5)+(kp)[i+5]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+4],	\
+				pe64_to_cpup((mp)+i+5)+(kp)[i+5]);	\
 			ADD128(rh, rl, th, tl);				\
-			MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+6],	\
-				le64_to_cpup((mp)+i+7)+(kp)[i+7]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+6],	\
+				pe64_to_cpup((mp)+i+7)+(kp)[i+7]);	\
 			ADD128(rh, rl, th, tl);				\
 		}							\
 	} while (0)
@@ -156,29 +158,29 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff);  /* Poly key mask     */
 		int i; u64 th, tl;					\
 		rh1 = rl1 = rh = rl = 0;				\
 		for (i = 0; i < nw; i += 8) {				\
-			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i],	\
-				le64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i],	\
+				pe64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
 			ADD128(rh, rl, th, tl);				\
-			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i+2],	\
-				le64_to_cpup((mp)+i+1)+(kp)[i+3]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i+2],	\
+				pe64_to_cpup((mp)+i+1)+(kp)[i+3]);	\
 			ADD128(rh1, rl1, th, tl);			\
-			MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+2],	\
-				le64_to_cpup((mp)+i+3)+(kp)[i+3]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+2],	\
+				pe64_to_cpup((mp)+i+3)+(kp)[i+3]);	\
 			ADD128(rh, rl, th, tl);				\
-			MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+4],	\
-				le64_to_cpup((mp)+i+3)+(kp)[i+5]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+4],	\
+				pe64_to_cpup((mp)+i+3)+(kp)[i+5]);	\
 			ADD128(rh1, rl1, th, tl);			\
-			MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+4],	\
-				le64_to_cpup((mp)+i+5)+(kp)[i+5]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+4],	\
+				pe64_to_cpup((mp)+i+5)+(kp)[i+5]);	\
 			ADD128(rh, rl, th, tl);				\
-			MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+6],	\
-				le64_to_cpup((mp)+i+5)+(kp)[i+7]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+6],	\
+				pe64_to_cpup((mp)+i+5)+(kp)[i+7]);	\
 			ADD128(rh1, rl1, th, tl);			\
-			MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+6],	\
-				le64_to_cpup((mp)+i+7)+(kp)[i+7]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+6],	\
+				pe64_to_cpup((mp)+i+7)+(kp)[i+7]);	\
 			ADD128(rh, rl, th, tl);				\
-			MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+8],	\
-				le64_to_cpup((mp)+i+7)+(kp)[i+9]);	\
+			MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+8],	\
+				pe64_to_cpup((mp)+i+7)+(kp)[i+9]);	\
 			ADD128(rh1, rl1, th, tl);			\
 		}							\
 	} while (0)
@@ -216,8 +218,8 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff);  /* Poly key mask     */
 		int i;							\
 		rh = rl = t = 0;					\
 		for (i = 0; i < nw; i += 2)  {				\
-			t1 = le64_to_cpup(mp+i) + kp[i];		\
-			t2 = le64_to_cpup(mp+i+1) + kp[i+1];		\
+			t1 = pe64_to_cpup(mp+i) + kp[i];		\
+			t2 = pe64_to_cpup(mp+i+1) + kp[i+1];		\
 			m2 = MUL32(t1 >> 32, t2);			\
 			m1 = MUL32(t1, t2 >> 32);			\
 			ADD128(rh, rl, MUL32(t1 >> 32, t2 >> 32),	\
@@ -322,8 +324,7 @@ static void vhash_abort(struct vmac_ctx *ctx)
 	ctx->first_block_processed = 0;
 }
 
-static u64 l3hash(u64 p1, u64 p2,
-			u64 k1, u64 k2, u64 len)
+static u64 l3hash(u64 p1, u64 p2, u64 k1, u64 k2, u64 len)
 {
 	u64 rh, rl, t, z = 0;
 
@@ -474,7 +475,7 @@ static u64 vmac(unsigned char m[], unsigned int mbytes,
 	}
 	p = be64_to_cpup(out_p + i);
 	h = vhash(m, mbytes, (u64 *)0, &ctx->__vmac_ctx);
-	return p + h;
+	return le64_to_cpu(p + h);
 }
 
 static int vmac_set_key(unsigned char user_key[], struct vmac_ctx_t *ctx)
@@ -549,10 +550,6 @@ static int vmac_setkey(struct crypto_shash *parent,
 
 static int vmac_init(struct shash_desc *pdesc)
 {
-	struct crypto_shash *parent = pdesc->tfm;
-	struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
-
-	memset(&ctx->__vmac_ctx, 0, sizeof(struct vmac_ctx));
 	return 0;
 }
 

From f77e347bd44e3640bdc56003b7402c63ddb1241d Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Thu, 18 Mar 2010 14:11:53 +0100
Subject: [PATCH 0110/3638] HID: simplify error handling in hid_input_report()

The handling of failed debugging buffer allocation got overly
complicated. We simply want to skip the debugging code if allocation
fails and go on with event processing.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index c49aaa21e1a..86cb2c47e9e 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1091,10 +1091,8 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
 
 	buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
 
-	if (!buf) {
-		report = hid_get_report(report_enum, data);
+	if (!buf)
 		goto nomem;
-	}
 
 	/* dump the report */
 	snprintf(buf, HID_DEBUG_BUFSIZE - 1,
@@ -1107,17 +1105,14 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
 		hid_debug_event(hid, buf);
 	}
 	hid_debug_event(hid, "\n");
-
-	report = hid_get_report(report_enum, data);
-
-	if (!report) {
-		kfree(buf);
-		return -1;
-	}
-
 	kfree(buf);
 
 nomem:
+	report = hid_get_report(report_enum, data);
+
+	if (!report)
+		return -1;
+
 	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
 		ret = hdrv->raw_event(hid, report, data, size);
 		if (ret != 0)

From 4d682420cead1ce06d8cd44ae193414404f0e7f5 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 10 Mar 2010 22:15:19 +0100
Subject: [PATCH 0111/3638] mtd: block2mtd: Use kasprintf

kasprintf combines kmalloc and sprintf, and takes care of the size
calculation itself.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression a,flag;
expression list args;
statement S;
@@

  a =
-  \(kmalloc\|kzalloc\)(...,flag)
+  kasprintf(flag,args)
  <... when != a
  if (a == NULL || ...) S
  ...>
- sprintf(a,args);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/block2mtd.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 8c295f40d2a..4281f3e0cf7 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -275,12 +275,10 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
 
 	/* Setup the MTD structure */
 	/* make the name contain the block device in */
-	name = kmalloc(sizeof("block2mtd: ") + strlen(devname) + 1,
-			GFP_KERNEL);
+	name = kasprintf(GFP_KERNEL, "block2mtd: %s", devname);
 	if (!name)
 		goto devinit_err;
 
-	sprintf(name, "block2mtd: %s", devname);
 	dev->mtd.name = name;
 
 	dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;

From 4adbbcc7b6cfb3dcf5ab49b06edb7752391b0e80 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Sun, 8 Nov 2009 13:00:37 -0800
Subject: [PATCH 0112/3638] mmc: msm_sdcc: Clean up clock management and add a
 10us delay after enabling clocks

It appears that in some cases there may be a delay on the ARM9 in enabling our clock.
As a result, we may put the controller into a bad state. Delay 10us after enabling
clocks to let the peripheral settle. Note - this is all imperical.

Also ensure set_ios() callback grabs the host lock.

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 80 ++++++++++++++++++-------------------
 1 file changed, 40 insertions(+), 40 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 4c068e5fe6b..977932a4bf4 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -735,20 +735,42 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
+static int inline
+msmsdcc_enable_clocks(struct msmsdcc_host *host, int enable)
+{
+	int rc;
+	if (enable) {
+		rc = clk_enable(host->pclk);
+		if (rc)
+			return rc;
+		rc = clk_enable(host->clk);
+		if (rc) {
+			clk_disable(host->pclk);
+			return rc;
+		}
+		host->clks_on = 1;
+		udelay(10);
+	} else {
+		clk_disable(host->clk);
+		clk_disable(host->pclk);
+		host->clks_on = 0;
+	}
+	return 0;
+}
+
 static void
 msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
 	struct msmsdcc_host *host = mmc_priv(mmc);
 	u32 clk = 0, pwr = 0;
 	int rc;
+	unsigned long flags;
 
+	spin_lock_irqsave(&host->lock, flags);
 	if (ios->clock) {
 
-		if (!host->clks_on) {
-			clk_enable(host->pclk);
-			clk_enable(host->clk);
-			host->clks_on = 1;
-		}
+		if (!host->clks_on)
+			msmsdcc_enable_clocks(host, 1);
 		if (ios->clock != host->clk_rate) {
 			rc = clk_set_rate(host->clk, ios->clock);
 			if (rc < 0)
@@ -793,11 +815,9 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		writel(pwr, host->base + MMCIPOWER);
 	}
 
-	if (!(clk & MCI_CLK_ENABLE) && host->clks_on) {
-		clk_disable(host->clk);
-		clk_disable(host->pclk);
-		host->clks_on = 0;
-	}
+	if (!(clk & MCI_CLK_ENABLE) && host->clks_on)
+		msmsdcc_enable_clocks(host, 0);
+	spin_unlock_irqrestore(&host->lock, flags);
 }
 
 static void msmsdcc_enable_sdio_irq(struct mmc_host *mmc, int enable)
@@ -899,7 +919,6 @@ msmsdcc_command_expired(unsigned long _data)
 	pr_err("%s: Command timeout (%p %p %p %p)\n",
 	       mmc_hostname(host->mmc), mrq, mrq->cmd,
 	       mrq->data, host->dma.sg);
-
 	mrq->cmd->error = -ETIMEDOUT;
 	msmsdcc_stop_data(host);
 
@@ -1031,31 +1050,21 @@ msmsdcc_probe(struct platform_device *pdev)
 	 */
 	msmsdcc_init_dma(host);
 
-	/*
-	 * Setup main peripheral bus clock
-	 */
+	/* Get our clocks */
 	host->pclk = clk_get(&pdev->dev, "sdc_pclk");
 	if (IS_ERR(host->pclk)) {
 		ret = PTR_ERR(host->pclk);
 		goto host_free;
 	}
 
-	ret = clk_enable(host->pclk);
-	if (ret)
-		goto pclk_put;
-
-	host->pclk_rate = clk_get_rate(host->pclk);
-
-	/*
-	 * Setup SDC MMC clock
-	 */
 	host->clk = clk_get(&pdev->dev, "sdc_clk");
 	if (IS_ERR(host->clk)) {
 		ret = PTR_ERR(host->clk);
-		goto pclk_disable;
+		goto pclk_put;
 	}
 
-	ret = clk_enable(host->clk);
+	/* Enable clocks */
+	ret = msmsdcc_enable_clocks(host, 1);
 	if (ret)
 		goto clk_put;
 
@@ -1065,10 +1074,9 @@ msmsdcc_probe(struct platform_device *pdev)
 		goto clk_disable;
 	}
 
+	host->pclk_rate = clk_get_rate(host->pclk);
 	host->clk_rate = clk_get_rate(host->clk);
 
-	host->clks_on = 1;
-
 	/*
 	 * Setup MMC host structure
 	 */
@@ -1187,11 +1195,9 @@ msmsdcc_probe(struct platform_device *pdev)
 	if (host->stat_irq)
 		free_irq(host->stat_irq, host);
  clk_disable:
-	clk_disable(host->clk);
+	msmsdcc_enable_clocks(host, 0);
  clk_put:
 	clk_put(host->clk);
- pclk_disable:
-	clk_disable(host->pclk);
  pclk_put:
 	clk_put(host->pclk);
  host_free:
@@ -1217,11 +1223,8 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 		if (!rc) {
 			writel(0, host->base + MMCIMASK0);
 
-			if (host->clks_on) {
-				clk_disable(host->clk);
-				clk_disable(host->pclk);
-				host->clks_on = 0;
-			}
+			if (host->clks_on)
+				msmsdcc_enable_clocks(host, 0);
 		}
 	}
 	return rc;
@@ -1238,11 +1241,8 @@ msmsdcc_resume(struct platform_device *dev)
 
 		spin_lock_irqsave(&host->lock, flags);
 
-		if (!host->clks_on) {
-			clk_enable(host->pclk);
-			clk_enable(host->clk);
-			host->clks_on = 1;
-		}
+		if (!host->clks_on)
+			msmsdcc_enable_clocks(host, 1);
 
 		writel(host->saved_irq0mask, host->base + MMCIMASK0);
 

From b3fa579118b239e218e690f5ef76870aff6fe738 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Mon, 2 Nov 2009 18:46:09 -0800
Subject: [PATCH 0113/3638] mmc: msm_sdcc: Snoop SDIO_CCCR_ABORT register

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 977932a4bf4..f4f7883271f 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -26,6 +26,7 @@
 #include <linux/log2.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/card.h>
+#include <linux/mmc/sdio.h>
 #include <linux/clk.h>
 #include <linux/scatterlist.h>
 #include <linux/platform_device.h>
@@ -355,6 +356,16 @@ msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data)
 	}
 }
 
+static int
+snoop_cccr_abort(struct mmc_command *cmd)
+{
+	if ((cmd->opcode == 52) &&
+	    (cmd->arg & 0x80000000) &&
+	    (((cmd->arg >> 9) & 0x1ffff) == SDIO_CCCR_ABORT))
+		return 1;
+	return 0;
+}
+
 static void
 msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd, u32 c)
 {
@@ -381,6 +392,9 @@ msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd, u32 c)
 	if (cmd == cmd->mrq->stop)
 		c |= MCI_CSPM_MCIABORT;
 
+	if (snoop_cccr_abort(cmd))
+		c |= MCI_CSPM_MCIABORT;
+
 	host->curr.cmd = cmd;
 
 	host->stats.cmds++;

From 5b00f40f90e7b17c11cf388680f43e8466b3666d Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Sat, 21 Nov 2009 09:22:14 -0800
Subject: [PATCH 0114/3638] msm: Add 'execute' datamover callback

Based on a patch from Brent DeGraaf:

"The datamover supports channels which can be shared amongst devices.
As a result, the actual data transfer may occur some time after the
request is queued up. Some devices such as mmc host controllers
will timeout if a command is issued too far in advance of the actual
transfer, so if dma to other devices on the same channel is already
in progress or queued up, the added delay can cause pending transfers
to fail before they start. This change extends the api to allow a
user callback to be invoked just before the actual transfer takes
place, thus allowing actions directly associated with the dma
transfer, such as device commands, to be invoked with precise timing.
Without this mechanism, there is no way for a driver to realize
this timing. Also adds a user pointer to the command structure for use
by the caller to reference information that may be needed by the
callback routine for proper identification and processing associated
with that specific request. This change is necessary to fix problems
associated with excessive command timeouts and race conditions in the
mmc driver."

This patch also fixes all the callers of msm_dmov_enqueue_cmd() to
ensure their callback function is NULL.

Signed-off-by: San Mehat <san@google.com>
Cc: Brent DeGraaf <bdegraaf@quicinc.com>
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 arch/arm/mach-msm/dma.c              | 5 +++++
 arch/arm/mach-msm/include/mach/dma.h | 2 ++
 drivers/mmc/host/msm_sdcc.c          | 1 +
 3 files changed, 8 insertions(+)

diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index f5420f9585c..8df798ac70c 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -63,6 +63,8 @@ void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd)
 			writel(DMOV_CONFIG_IRQ_EN, DMOV_CONFIG(id));
 		}
 #endif
+		if (cmd->execute_func)
+			cmd->execute_func(cmd);
 		PRINT_IO("msm_dmov_enqueue_cmd(%d), start command, status %x\n", id, status);
 		list_add_tail(&cmd->list, &active_commands[id]);
 		if (!channel_active)
@@ -108,6 +110,7 @@ int msm_dmov_exec_cmd(unsigned id, unsigned int cmdptr)
 
 	cmd.dmov_cmd.cmdptr = cmdptr;
 	cmd.dmov_cmd.complete_func = dmov_exec_cmdptr_complete_func;
+	cmd.dmov_cmd.execute_func = NULL;
 	cmd.id = id;
 	init_completion(&cmd.complete);
 
@@ -210,6 +213,8 @@ static irqreturn_t msm_datamover_irq_handler(int irq, void *dev_id)
 				cmd = list_entry(ready_commands[id].next, typeof(*cmd), list);
 				list_del(&cmd->list);
 				list_add_tail(&cmd->list, &active_commands[id]);
+				if (cmd->execute_func)
+					cmd->execute_func(cmd);
 				PRINT_FLOW("msm_datamover_irq_handler id %d, start command\n", id);
 				writel(cmd->cmdptr, DMOV_CMD_PTR(id));
 			}
diff --git a/arch/arm/mach-msm/include/mach/dma.h b/arch/arm/mach-msm/include/mach/dma.h
index 5ab5bdffab0..78b0ffdf27e 100644
--- a/arch/arm/mach-msm/include/mach/dma.h
+++ b/arch/arm/mach-msm/include/mach/dma.h
@@ -28,6 +28,8 @@ struct msm_dmov_cmd {
 	void (*complete_func)(struct msm_dmov_cmd *cmd,
 			      unsigned int result,
 			      struct msm_dmov_errdata *err);
+	void (*execute_func)(struct msm_dmov_cmd *cmd);
+	void *data;
 };
 
 void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd);
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index f4f7883271f..02bec7c739e 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -299,6 +299,7 @@ static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data)
 	host->dma.hdr.cmdptr = DMOV_CMD_PTR_LIST |
 			       DMOV_CMD_ADDR(host->dma.cmdptr_busaddr);
 	host->dma.hdr.complete_func = msmsdcc_dma_complete_func;
+	host->dma.hdr.execute_func = NULL;
 
 	return 0;
 }

From 865c8064a2fb07100525097983966b8e789bde1a Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Fri, 13 Nov 2009 13:42:06 -0800
Subject: [PATCH 0115/3638] mmc: msm_sdcc: Driver clocking/irq improvements

- Clocks are now disabled after 1 second of inactivity
- Fixed issue which was causing us to loop through our ISR twice
- Bump core clock enable delay to 30us

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 89 +++++++++++++++++++++++++------------
 drivers/mmc/host/msm_sdcc.h |  2 +
 2 files changed, 63 insertions(+), 28 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 02bec7c739e..b4b637223b7 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -57,6 +57,32 @@ static unsigned int msmsdcc_sdioirq;
 #define PIO_SPINMAX 30
 #define CMD_SPINMAX 20
 
+
+static inline int
+msmsdcc_enable_clocks(struct msmsdcc_host *host, int enable)
+{
+	int rc;
+	WARN_ON(enable == host->clks_on);
+	if (enable) {
+		rc = clk_enable(host->pclk);
+		if (rc)
+			return rc;
+		rc = clk_enable(host->clk);
+		if (rc) {
+			clk_disable(host->pclk);
+			return rc;
+		}
+		udelay(30);
+		host->clks_on = 1;
+	} else {
+		clk_disable(host->clk);
+		clk_disable(host->pclk);
+		host->clks_on = 0;
+	}
+	return 0;
+}
+
+
 static void
 msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd,
 		      u32 c);
@@ -76,6 +102,8 @@ msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
 	if (mrq->cmd->error == -ETIMEDOUT)
 		mdelay(5);
 
+	if (host->use_bustimer)
+		mod_timer(&host->busclk_timer, jiffies + HZ);
 	/*
 	 * Need to drop the host lock here; mmc_request_done may call
 	 * back into the driver...
@@ -676,6 +704,12 @@ msmsdcc_irq(int irq, void *dev_id)
 		status &= (readl(base + MMCIMASK0) | MCI_DATABLOCKENDMASK);
 		writel(status, base + MMCICLEAR);
 
+		if (status & MCI_SDIOINTR)
+			status &= ~MCI_SDIOINTR;
+
+		if (!status)
+			break;
+
 		msmsdcc_handle_irq_data(host, status, base);
 
 		if (status & (MCI_CMDSENT | MCI_CMDRESPEND | MCI_CMDCRCFAIL |
@@ -729,6 +763,8 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	}
 
 	host->curr.mrq = mrq;
+	if (!host->clks_on)
+		msmsdcc_enable_clocks(host, 1);
 
 	if (mrq->data && mrq->data->flags & MMC_DATA_READ)
 		msmsdcc_start_data(host, mrq->data);
@@ -750,29 +786,6 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
-static int inline
-msmsdcc_enable_clocks(struct msmsdcc_host *host, int enable)
-{
-	int rc;
-	if (enable) {
-		rc = clk_enable(host->pclk);
-		if (rc)
-			return rc;
-		rc = clk_enable(host->clk);
-		if (rc) {
-			clk_disable(host->pclk);
-			return rc;
-		}
-		host->clks_on = 1;
-		udelay(10);
-	} else {
-		clk_disable(host->clk);
-		clk_disable(host->pclk);
-		host->clks_on = 0;
-	}
-	return 0;
-}
-
 static void
 msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
@@ -782,10 +795,10 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	unsigned long flags;
 
 	spin_lock_irqsave(&host->lock, flags);
-	if (ios->clock) {
+	if (!host->clks_on)
+		msmsdcc_enable_clocks(host, 1);
 
-		if (!host->clks_on)
-			msmsdcc_enable_clocks(host, 1);
+	if (ios->clock) {
 		if (ios->clock != host->clk_rate) {
 			rc = clk_set_rate(host->clk, ios->clock);
 			if (rc < 0)
@@ -829,8 +842,7 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		host->pwr = pwr;
 		writel(pwr, host->base + MMCIPOWER);
 	}
-
-	if (!(clk & MCI_CLK_ENABLE) && host->clks_on)
+	if (host->clks_on)
 		msmsdcc_enable_clocks(host, 0);
 	spin_unlock_irqrestore(&host->lock, flags);
 }
@@ -909,6 +921,19 @@ msmsdcc_status_notify_cb(int card_present, void *dev_id)
 	msmsdcc_check_status((unsigned long) host);
 }
 
+static void
+msmsdcc_busclk_expired(unsigned long _data)
+{
+	struct msmsdcc_host	*host = (struct msmsdcc_host *) _data;
+	unsigned long 		flags;
+
+	spin_lock_irqsave(&host->lock, flags);
+	if (host->clks_on)
+		msmsdcc_enable_clocks(host, 0);
+
+	spin_unlock_irqrestore(&host->lock, flags);
+}
+
 /*
  * called when a command expires.
  * Dump some debugging, and then error
@@ -942,6 +967,8 @@ msmsdcc_command_expired(unsigned long _data)
 	host->curr.mrq = NULL;
 	host->curr.cmd = NULL;
 
+	if (host->clks_on)
+		msmsdcc_enable_clocks(host, 0);
 	spin_unlock_irqrestore(&host->lock, flags);
 	mmc_request_done(host->mmc, mrq);
 }
@@ -1048,6 +1075,8 @@ msmsdcc_probe(struct platform_device *pdev)
 
 	host->cmdpoll = 1;
 
+	host->use_bustimer = 1;
+
 	host->base = ioremap(memres->start, PAGE_SIZE);
 	if (!host->base) {
 		ret = -ENOMEM;
@@ -1167,6 +1196,10 @@ msmsdcc_probe(struct platform_device *pdev)
 	host->command_timer.data = (unsigned long) host;
 	host->command_timer.function = msmsdcc_command_expired;
 
+	init_timer(&host->busclk_timer);
+	host->busclk_timer.data = (unsigned long) host;
+	host->busclk_timer.function = msmsdcc_busclk_expired;
+
 	ret = request_irq(cmd_irqres->start, msmsdcc_irq, IRQF_SHARED,
 			  DRIVER_NAME " (cmd)", host);
 	if (ret)
diff --git a/drivers/mmc/host/msm_sdcc.h b/drivers/mmc/host/msm_sdcc.h
index 8c844846981..6846bd7dff2 100644
--- a/drivers/mmc/host/msm_sdcc.h
+++ b/drivers/mmc/host/msm_sdcc.h
@@ -214,6 +214,8 @@ struct msmsdcc_host {
 	struct clk		*pclk;		/* SDCC peripheral bus clock */
 	unsigned int		clks_on;	/* set if clocks are enabled */
 	struct timer_list	command_timer;
+	struct timer_list	busclk_timer;
+	int			use_bustimer;
 
 	unsigned int		eject;		/* eject state */
 

From 8b1c2ba274c8416afb7eab3bd788f98a917efe06 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Mon, 16 Nov 2009 10:17:30 -0800
Subject: [PATCH 0116/3638] mmc: msm_sdcc: Wrap readl/writel calls with
 appropriate clk delays

As it turns out, all sdcc register writes must be delayed by at
least 3 core clock cycles for the writes to take effect. *sigh*

    Also removes the 30us constant delay on clock enable in favor
of a 3 core clock delay.

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 116 +++++++++++++++++++-----------------
 1 file changed, 61 insertions(+), 55 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index b4b637223b7..3b096f64ec5 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -62,6 +62,7 @@ static inline int
 msmsdcc_enable_clocks(struct msmsdcc_host *host, int enable)
 {
 	int rc;
+
 	WARN_ON(enable == host->clks_on);
 	if (enable) {
 		rc = clk_enable(host->pclk);
@@ -72,7 +73,8 @@ msmsdcc_enable_clocks(struct msmsdcc_host *host, int enable)
 			clk_disable(host->pclk);
 			return rc;
 		}
-		udelay(30);
+		udelay(1 + ((3 * USEC_PER_SEC) /
+		       (host->clk_rate ? host->clk_rate : msmsdcc_fmin)));
 		host->clks_on = 1;
 	} else {
 		clk_disable(host->clk);
@@ -82,6 +84,20 @@ msmsdcc_enable_clocks(struct msmsdcc_host *host, int enable)
 	return 0;
 }
 
+static inline unsigned int
+msmsdcc_readl(struct msmsdcc_host *host, unsigned int reg)
+{
+	return readl(host->base + reg);
+}
+
+static inline void
+msmsdcc_writel(struct msmsdcc_host *host, u32 data, unsigned int reg)
+{
+	writel(data, host->base + reg);
+	/* 3 clk delay required! */
+	udelay(1 + ((3 * USEC_PER_SEC) /
+	       (host->clk_rate ? host->clk_rate : msmsdcc_fmin)));
+}
 
 static void
 msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd,
@@ -90,7 +106,7 @@ msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd,
 static void
 msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
 {
-	writel(0, host->base + MMCICOMMAND);
+	msmsdcc_writel(host, 0, MMCICOMMAND);
 
 	BUG_ON(host->curr.data);
 
@@ -116,7 +132,7 @@ msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
 static void
 msmsdcc_stop_data(struct msmsdcc_host *host)
 {
-	writel(0, host->base + MMCIDATACTRL);
+	msmsdcc_writel(host, 0, MMCIDATACTRL);
 	host->curr.data = NULL;
 	host->curr.got_dataend = host->curr.got_datablkend = 0;
 }
@@ -200,7 +216,7 @@ msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 		if (!mrq->data->error)
 			host->curr.data_xfered = host->curr.xfer_size;
 		if (!mrq->data->stop || mrq->cmd->error) {
-			writel(0, host->base + MMCICOMMAND);
+			msmsdcc_writel(host, 0, MMCICOMMAND);
 			host->curr.mrq = NULL;
 			host->curr.cmd = NULL;
 			mrq->data->bytes_xfered = host->curr.data_xfered;
@@ -337,7 +353,6 @@ msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data)
 {
 	unsigned int datactrl, timeout;
 	unsigned long long clks;
-	void __iomem *base = host->base;
 	unsigned int pio_irqmask = 0;
 
 	host->curr.data = data;
@@ -352,9 +367,9 @@ msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data)
 	clks = (unsigned long long)data->timeout_ns * host->clk_rate;
 	do_div(clks, NSEC_PER_SEC);
 	timeout = data->timeout_clks + (unsigned int)clks;
-	writel(timeout, base + MMCIDATATIMER);
+	msmsdcc_writel(host, timeout, MMCIDATATIMER);
 
-	writel(host->curr.xfer_size, base + MMCIDATALENGTH);
+	msmsdcc_writel(host, host->curr.xfer_size, MMCIDATALENGTH);
 
 	datactrl = MCI_DPSM_ENABLE | (data->blksz << 4);
 
@@ -376,8 +391,8 @@ msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data)
 	if (data->flags & MMC_DATA_READ)
 		datactrl |= MCI_DPSM_DIRECTION;
 
-	writel(pio_irqmask, base + MMCIMASK1);
-	writel(datactrl, base + MMCIDATACTRL);
+	msmsdcc_writel(host, pio_irqmask, MMCIMASK1);
+	msmsdcc_writel(host, datactrl, MMCIDATACTRL);
 
 	if (datactrl & MCI_DPSM_DMAENABLE) {
 		host->dma.busy = 1;
@@ -398,12 +413,8 @@ snoop_cccr_abort(struct mmc_command *cmd)
 static void
 msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd, u32 c)
 {
-	void __iomem *base = host->base;
-
-	if (readl(base + MMCICOMMAND) & MCI_CPSM_ENABLE) {
-		writel(0, base + MMCICOMMAND);
-		udelay(2 + ((5 * 1000000) / host->clk_rate));
-	}
+	if (msmsdcc_readl(host, MMCICOMMAND) & MCI_CPSM_ENABLE)
+		msmsdcc_writel(host, 0, MMCICOMMAND);
 
 	c |= cmd->opcode | MCI_CPSM_ENABLE;
 
@@ -428,8 +439,8 @@ msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd, u32 c)
 
 	host->stats.cmds++;
 
-	writel(cmd->arg, base + MMCIARGUMENT);
-	writel(c, base + MMCICOMMAND);
+	msmsdcc_writel(host, cmd->arg, MMCIARGUMENT);
+	msmsdcc_writel(host, c, MMCICOMMAND);
 }
 
 static void
@@ -463,13 +474,11 @@ msmsdcc_data_err(struct msmsdcc_host *host, struct mmc_data *data,
 static int
 msmsdcc_pio_read(struct msmsdcc_host *host, char *buffer, unsigned int remain)
 {
-	void __iomem	*base = host->base;
 	uint32_t	*ptr = (uint32_t *) buffer;
 	int		count = 0;
 
-	while (readl(base + MMCISTATUS) & MCI_RXDATAAVLBL) {
-
-		*ptr = readl(base + MMCIFIFO + (count % MCI_FIFOSIZE));
+	while (msmsdcc_readl(host, MMCISTATUS) & MCI_RXDATAAVLBL) {
+		*ptr = msmsdcc_readl(host, MMCIFIFO + (count % MCI_FIFOSIZE));
 		ptr++;
 		count += sizeof(uint32_t);
 
@@ -501,7 +510,7 @@ msmsdcc_pio_write(struct msmsdcc_host *host, char *buffer,
 		if (remain == 0)
 			break;
 
-		status = readl(base + MMCISTATUS);
+		status = msmsdcc_readl(host, MMCISTATUS);
 	} while (status & MCI_TXFIFOHALFEMPTY);
 
 	return ptr - buffer;
@@ -511,7 +520,7 @@ static int
 msmsdcc_spin_on_status(struct msmsdcc_host *host, uint32_t mask, int maxspin)
 {
 	while (maxspin) {
-		if ((readl(host->base + MMCISTATUS) & mask))
+		if ((msmsdcc_readl(host, MMCISTATUS) & mask))
 			return 0;
 		udelay(1);
 		--maxspin;
@@ -523,10 +532,9 @@ static int
 msmsdcc_pio_irq(int irq, void *dev_id)
 {
 	struct msmsdcc_host	*host = dev_id;
-	void __iomem		*base = host->base;
 	uint32_t		status;
 
-	status = readl(base + MMCISTATUS);
+	status = msmsdcc_readl(host, MMCISTATUS);
 
 	do {
 		unsigned long flags;
@@ -581,14 +589,14 @@ msmsdcc_pio_irq(int irq, void *dev_id)
 			host->pio.sg_off = 0;
 		}
 
-		status = readl(base + MMCISTATUS);
+		status = msmsdcc_readl(host, MMCISTATUS);
 	} while (1);
 
 	if (status & MCI_RXACTIVE && host->curr.xfer_remain < MCI_FIFOSIZE)
-		writel(MCI_RXDATAAVLBLMASK, base + MMCIMASK1);
+		msmsdcc_writel(host, MCI_RXDATAAVLBLMASK, MMCIMASK1);
 
 	if (!host->curr.xfer_remain)
-		writel(0, base + MMCIMASK1);
+		msmsdcc_writel(host, 0, MMCIMASK1);
 
 	return IRQ_HANDLED;
 }
@@ -596,13 +604,12 @@ msmsdcc_pio_irq(int irq, void *dev_id)
 static void msmsdcc_do_cmdirq(struct msmsdcc_host *host, uint32_t status)
 {
 	struct mmc_command *cmd = host->curr.cmd;
-	void __iomem	   *base = host->base;
 
 	host->curr.cmd = NULL;
-	cmd->resp[0] = readl(base + MMCIRESPONSE0);
-	cmd->resp[1] = readl(base + MMCIRESPONSE1);
-	cmd->resp[2] = readl(base + MMCIRESPONSE2);
-	cmd->resp[3] = readl(base + MMCIRESPONSE3);
+	cmd->resp[0] = msmsdcc_readl(host, MMCIRESPONSE0);
+	cmd->resp[1] = msmsdcc_readl(host, MMCIRESPONSE1);
+	cmd->resp[2] = msmsdcc_readl(host, MMCIRESPONSE2);
+	cmd->resp[3] = msmsdcc_readl(host, MMCIRESPONSE3);
 
 	del_timer(&host->command_timer);
 	if (status & MCI_CMDTIMEOUT) {
@@ -699,10 +706,11 @@ msmsdcc_irq(int irq, void *dev_id)
 	spin_lock(&host->lock);
 
 	do {
-		status = readl(base + MMCISTATUS);
-
-		status &= (readl(base + MMCIMASK0) | MCI_DATABLOCKENDMASK);
-		writel(status, base + MMCICLEAR);
+		struct mmc_data *data;
+		status = msmsdcc_readl(host, MMCISTATUS);
+		status &= (msmsdcc_readl(host, MMCIMASK0) |
+					      MCI_DATABLOCKENDMASK);
+		msmsdcc_writel(host, status, MMCICLEAR);
 
 		if (status & MCI_SDIOINTR)
 			status &= ~MCI_SDIOINTR;
@@ -774,10 +782,11 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	if (host->cmdpoll && !msmsdcc_spin_on_status(host,
 				MCI_CMDRESPEND|MCI_CMDCRCFAIL|MCI_CMDTIMEOUT,
 				CMD_SPINMAX)) {
-		uint32_t status = readl(host->base + MMCISTATUS);
+		uint32_t status = msmsdcc_readl(host, MMCISTATUS);
 		msmsdcc_do_cmdirq(host, status);
-		writel(MCI_CMDRESPEND | MCI_CMDCRCFAIL | MCI_CMDTIMEOUT,
-		       host->base + MMCICLEAR);
+		msmsdcc_writel(host,
+			       MCI_CMDRESPEND | MCI_CMDCRCFAIL | MCI_CMDTIMEOUT,
+			       MMCICLEAR);
 		host->stats.cmdpoll_hits++;
 	} else {
 		host->stats.cmdpoll_misses++;
@@ -836,11 +845,11 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN)
 		pwr |= MCI_OD;
 
-	writel(clk, host->base + MMCICLOCK);
+	msmsdcc_writel(host, clk, MMCICLOCK);
 
 	if (host->pwr != pwr) {
 		host->pwr = pwr;
-		writel(pwr, host->base + MMCIPOWER);
+		msmsdcc_writel(host, pwr, MMCIPOWER);
 	}
 	if (host->clks_on)
 		msmsdcc_enable_clocks(host, 0);
@@ -855,13 +864,13 @@ static void msmsdcc_enable_sdio_irq(struct mmc_host *mmc, int enable)
 
 	spin_lock_irqsave(&host->lock, flags);
 	if (msmsdcc_sdioirq == 1) {
-		status = readl(host->base + MMCIMASK0);
+		status = msmsdcc_readl(host, MMCIMASK0);
 		if (enable)
 			status |= MCI_SDIOINTOPERMASK;
 		else
 			status &= ~MCI_SDIOINTOPERMASK;
 		host->saved_irq0mask = status;
-		writel(status, host->base + MMCIMASK0);
+		msmsdcc_writel(host, status, MMCIMASK0);
 	}
 	spin_unlock_irqrestore(&host->lock, flags);
 }
@@ -950,19 +959,16 @@ msmsdcc_command_expired(unsigned long _data)
 	mrq = host->curr.mrq;
 
 	if (!mrq) {
-		pr_info("%s: Command expiry misfire\n",
-			mmc_hostname(host->mmc));
 		spin_unlock_irqrestore(&host->lock, flags);
 		return;
 	}
 
-	pr_err("%s: Command timeout (%p %p %p %p)\n",
-	       mmc_hostname(host->mmc), mrq, mrq->cmd,
-	       mrq->data, host->dma.sg);
+	pr_err("%s: Controller lockup detected\n",
+	       mmc_hostname(host->mmc));
 	mrq->cmd->error = -ETIMEDOUT;
 	msmsdcc_stop_data(host);
 
-	writel(0, host->base + MMCICOMMAND);
+	msmsdcc_writel(host, 0, MMCICOMMAND);
 
 	host->curr.mrq = NULL;
 	host->curr.cmd = NULL;
@@ -1143,10 +1149,10 @@ msmsdcc_probe(struct platform_device *pdev)
 	mmc->max_req_size = 33554432;	/* MCI_DATA_LENGTH is 25 bits */
 	mmc->max_seg_size = mmc->max_req_size;
 
-	writel(0, host->base + MMCIMASK0);
-	writel(0x5e007ff, host->base + MMCICLEAR); /* Add: 1 << 25 */
+	msmsdcc_writel(host, 0, MMCIMASK0);
+	msmsdcc_writel(host, 0x5e007ff, MMCICLEAR);
 
-	writel(MCI_IRQENABLE, host->base + MMCIMASK0);
+	msmsdcc_writel(host, MCI_IRQENABLE, MMCIMASK0);
 	host->saved_irq0mask = MCI_IRQENABLE;
 
 	/*
@@ -1269,7 +1275,7 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 		if (mmc->card && mmc->card->type != MMC_TYPE_SDIO)
 			rc = mmc_suspend_host(mmc, state);
 		if (!rc) {
-			writel(0, host->base + MMCIMASK0);
+			msmsdcc_writel(host, 0, MMCIMASK0);
 
 			if (host->clks_on)
 				msmsdcc_enable_clocks(host, 0);
@@ -1292,7 +1298,7 @@ msmsdcc_resume(struct platform_device *dev)
 		if (!host->clks_on)
 			msmsdcc_enable_clocks(host, 1);
 
-		writel(host->saved_irq0mask, host->base + MMCIMASK0);
+		msmsdcc_writel(host, host->saved_irq0mask, MMCIMASK0);
 
 		spin_unlock_irqrestore(&host->lock, flags);
 

From 51905dcbcf1f72a17f491c64485d513986110a6f Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Mon, 16 Nov 2009 11:59:01 -0800
Subject: [PATCH 0117/3638] mmc: msm_sdcc: Schedule clock disable after probe

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 3b096f64ec5..84b284e3a28 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1242,6 +1242,8 @@ msmsdcc_probe(struct platform_device *pdev)
 	if (host->timer.function)
 		pr_info("%s: Polling status mode enabled\n", mmc_hostname(mmc));
 
+	if (host->use_bustimer)
+		mod_timer(&host->busclk_timer, jiffies + HZ);
 	return 0;
  cmd_irq_free:
 	free_irq(cmd_irqres->start, host);

From 56a8b5b8ae81bd766e527a0e5274a087c3c1109d Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Sat, 21 Nov 2009 12:29:46 -0800
Subject: [PATCH 0118/3638] mmc: msm_sdcc: Reduce command timeouts and improve
 reliability.

Based on an original patch by Brent DeGraaf:

"Previous versions of the SD driver were beset with excessive command
timeouts. These timeouts were silent by default, but happened
frequently, especially during heavy system activity and concurrent
access of two or more SD devices. Worst case, these timeouts would
occasionally hit at the end of a successful write, resulting in false
failures that could adversely affect journaling file systems if timing
was unfortunate. This update tightens the association and timing between
dma transfers and the commands that trigger them by utilizing a new api
implemented in the datamover.  In addition, it also fixes a dma cache
coherency issue that was exposed during testing of this fix that
occasionally resulted in card corruption.  Processing of results in the
interrupt status routine was modified to process command results prior to
data because overwritten command results were observed during testing
since the data section can result in command issuances of its own.
This change also eliminates the software command timeout, relying entirely
on the hardware version, since the software timeout was found to cause
problems of its own after extensive testing (having hardware timer and
software timers addressing the same issue was found to cause a race
condition under heavy system load)."

This change originally added PROG_DONE handling, which has been split out
into a separate patch. Also on our platform, the data mover driver maintains
coherency to ensure API reliability, so the above mentioned cache corruption
issue was not an issue for us.

Signed-off-by: San Mehat <san@google.com>
Cc: Brian Swetland <swetland@google.com>

Change-Id: Ifbf17cfafb858106d73bf49af52b5161a265a484
Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 271 ++++++++++++++++++++----------------
 drivers/mmc/host/msm_sdcc.h |  14 +-
 2 files changed, 163 insertions(+), 122 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 84b284e3a28..52485859790 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -3,6 +3,7 @@
  *
  *  Copyright (C) 2007 Google Inc,
  *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
+ *  Copyright (C) 2009, Code Aurora Forum. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -47,6 +48,7 @@
 
 #define DRIVER_NAME "msm-sdcc"
 
+#define BUSCLK_TIMEOUT (HZ * 5)
 static unsigned int msmsdcc_fmin = 144000;
 static unsigned int msmsdcc_fmax = 50000000;
 static unsigned int msmsdcc_4bit = 1;
@@ -106,8 +108,6 @@ msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd,
 static void
 msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
 {
-	msmsdcc_writel(host, 0, MMCICOMMAND);
-
 	BUG_ON(host->curr.data);
 
 	host->curr.mrq = NULL;
@@ -119,7 +119,7 @@ msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
 		mdelay(5);
 
 	if (host->use_bustimer)
-		mod_timer(&host->busclk_timer, jiffies + HZ);
+		mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
 	/*
 	 * Need to drop the host lock here; mmc_request_done may call
 	 * back into the driver...
@@ -132,7 +132,6 @@ msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
 static void
 msmsdcc_stop_data(struct msmsdcc_host *host)
 {
-	msmsdcc_writel(host, 0, MMCIDATACTRL);
 	host->curr.data = NULL;
 	host->curr.got_dataend = host->curr.got_datablkend = 0;
 }
@@ -153,6 +152,29 @@ uint32_t msmsdcc_fifo_addr(struct msmsdcc_host *host)
 	return 0;
 }
 
+static inline void
+msmsdcc_start_command_exec(struct msmsdcc_host *host, u32 arg, u32 c) {
+       msmsdcc_writel(host, arg, MMCIARGUMENT);
+       msmsdcc_writel(host, c, MMCICOMMAND);
+}
+
+static void
+msmsdcc_dma_exec_func(struct msm_dmov_cmd *cmd)
+{
+       struct msmsdcc_host *host = (struct msmsdcc_host *)cmd->data;
+
+       writel(host->cmd_timeout, host->base + MMCIDATATIMER);
+       writel((unsigned int)host->curr.xfer_size, host->base + MMCIDATALENGTH);
+       writel(host->cmd_pio_irqmask, host->base + MMCIMASK1);
+       writel(host->cmd_datactrl, host->base + MMCIDATACTRL);
+
+       if (host->cmd_cmd) {
+               msmsdcc_start_command_exec(host,
+                       (u32)host->cmd_cmd->arg, (u32)host->cmd_c);
+       }
+	host->dma.active = 1;
+}
+
 static void
 msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 			  unsigned int result,
@@ -165,6 +187,8 @@ msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 	struct mmc_request	*mrq;
 
 	spin_lock_irqsave(&host->lock, flags);
+	host->dma.active = 0;
+
 	mrq = host->curr.mrq;
 	BUG_ON(!mrq);
 
@@ -190,7 +214,6 @@ msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 		if (!mrq->data->error)
 			mrq->data->error = -EIO;
 	}
-	host->dma.busy = 0;
 	dma_unmap_sg(mmc_dev(host->mmc), host->dma.sg, host->dma.num_ents,
 		     host->dma.dir);
 
@@ -203,6 +226,7 @@ msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 	}
 
 	host->dma.sg = NULL;
+	host->dma.busy = 0;
 
 	if ((host->curr.got_dataend && host->curr.got_datablkend)
 	     || mrq->data->error) {
@@ -262,6 +286,8 @@ static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data)
 	host->dma.sg = data->sg;
 	host->dma.num_ents = data->sg_len;
 
+       BUG_ON(host->dma.num_ents > NR_SG); /* Prevent memory corruption */
+
 	nc = host->dma.nc;
 
 	switch (host->pdev_id) {
@@ -290,22 +316,15 @@ static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data)
 
 	host->curr.user_pages = 0;
 
-	n = dma_map_sg(mmc_dev(host->mmc), host->dma.sg,
-		       host->dma.num_ents, host->dma.dir);
-
-	if (n != host->dma.num_ents) {
-		pr_err("%s: Unable to map in all sg elements\n",
-		       mmc_hostname(host->mmc));
-		host->dma.sg = NULL;
-		host->dma.num_ents = 0;
-		return -ENOMEM;
-	}
-
 	box = &nc->cmd[0];
 	for (i = 0; i < host->dma.num_ents; i++) {
 		box->cmd = CMD_MODE_BOX;
 
-		if (i == (host->dma.num_ents - 1))
+	/* Initialize sg dma address */
+	sg->dma_address = page_to_dma(mmc_dev(host->mmc), sg_page(sg))
+				+ sg->offset;
+
+	if (i == (host->dma.num_ents - 1))
 			box->cmd |= CMD_LC;
 		rows = (sg_dma_len(sg) % MCI_FIFOSIZE) ?
 			(sg_dma_len(sg) / MCI_FIFOSIZE) + 1 :
@@ -343,13 +362,68 @@ static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data)
 	host->dma.hdr.cmdptr = DMOV_CMD_PTR_LIST |
 			       DMOV_CMD_ADDR(host->dma.cmdptr_busaddr);
 	host->dma.hdr.complete_func = msmsdcc_dma_complete_func;
-	host->dma.hdr.execute_func = NULL;
+
+	n = dma_map_sg(mmc_dev(host->mmc), host->dma.sg,
+			host->dma.num_ents, host->dma.dir);
+/* dsb inside dma_map_sg will write nc out to mem as well */
+
+	if (n != host->dma.num_ents) {
+		printk(KERN_ERR "%s: Unable to map in all sg elements\n",
+			mmc_hostname(host->mmc));
+		host->dma.sg = NULL;
+		host->dma.num_ents = 0;
+		return -ENOMEM;
+	}
 
 	return 0;
 }
 
+static int
+snoop_cccr_abort(struct mmc_command *cmd)
+{
+	if ((cmd->opcode == 52) &&
+	    (cmd->arg & 0x80000000) &&
+	    (((cmd->arg >> 9) & 0x1ffff) == SDIO_CCCR_ABORT))
+		return 1;
+	return 0;
+}
+
 static void
-msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data)
+msmsdcc_start_command_deferred(struct msmsdcc_host *host,
+				struct mmc_command *cmd, u32 *c)
+{
+	*c |= (cmd->opcode | MCI_CPSM_ENABLE);
+
+	if (cmd->flags & MMC_RSP_PRESENT) {
+		if (cmd->flags & MMC_RSP_136)
+			*c |= MCI_CPSM_LONGRSP;
+		*c |= MCI_CPSM_RESPONSE;
+	}
+
+	if (/*interrupt*/0)
+		*c |= MCI_CPSM_INTERRUPT;
+
+	if ((((cmd->opcode == 17) || (cmd->opcode == 18))  ||
+	     ((cmd->opcode == 24) || (cmd->opcode == 25))) ||
+	      (cmd->opcode == 53))
+		*c |= MCI_CSPM_DATCMD;
+
+	if (cmd == cmd->mrq->stop)
+		*c |= MCI_CSPM_MCIABORT;
+
+	if (snoop_cccr_abort(cmd))
+		*c |= MCI_CSPM_MCIABORT;
+
+	if (host->curr.cmd != NULL) {
+		printk(KERN_ERR "%s: Overlapping command requests\n",
+			mmc_hostname(host->mmc));
+	}
+	host->curr.cmd = cmd;
+}
+
+static void
+msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data,
+			struct mmc_command *cmd, u32 c)
 {
 	unsigned int datactrl, timeout;
 	unsigned long long clks;
@@ -364,13 +438,6 @@ msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data)
 
 	memset(&host->pio, 0, sizeof(host->pio));
 
-	clks = (unsigned long long)data->timeout_ns * host->clk_rate;
-	do_div(clks, NSEC_PER_SEC);
-	timeout = data->timeout_clks + (unsigned int)clks;
-	msmsdcc_writel(host, timeout, MMCIDATATIMER);
-
-	msmsdcc_writel(host, host->curr.xfer_size, MMCIDATALENGTH);
-
 	datactrl = MCI_DPSM_ENABLE | (data->blksz << 4);
 
 	if (!msmsdcc_config_dma(host, data))
@@ -391,56 +458,51 @@ msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data)
 	if (data->flags & MMC_DATA_READ)
 		datactrl |= MCI_DPSM_DIRECTION;
 
-	msmsdcc_writel(host, pio_irqmask, MMCIMASK1);
-	msmsdcc_writel(host, datactrl, MMCIDATACTRL);
+	clks = (unsigned long long)data->timeout_ns * host->clk_rate;
+	do_div(clks, NSEC_PER_SEC);
+	timeout = data->timeout_clks + (unsigned int)clks*2 ;
 
 	if (datactrl & MCI_DPSM_DMAENABLE) {
-		host->dma.busy = 1;
-		msm_dmov_enqueue_cmd(host->dma.channel, &host->dma.hdr);
-	}
-}
+		/* Save parameters for the exec function */
+		host->cmd_timeout = timeout;
+		host->cmd_pio_irqmask = pio_irqmask;
+		host->cmd_datactrl = datactrl;
+		host->cmd_cmd = cmd;
 
-static int
-snoop_cccr_abort(struct mmc_command *cmd)
-{
-	if ((cmd->opcode == 52) &&
-	    (cmd->arg & 0x80000000) &&
-	    (((cmd->arg >> 9) & 0x1ffff) == SDIO_CCCR_ABORT))
-		return 1;
-	return 0;
+		host->dma.hdr.execute_func = msmsdcc_dma_exec_func;
+		host->dma.hdr.data = (void *)host;
+		host->dma.busy = 1;
+
+		if (cmd) {
+			msmsdcc_start_command_deferred(host, cmd, &c);
+			host->cmd_c = c;
+		}
+		msm_dmov_enqueue_cmd(host->dma.channel, &host->dma.hdr);
+	} else {
+		msmsdcc_writel(host, timeout, MMCIDATATIMER);
+
+		msmsdcc_writel(host, host->curr.xfer_size, MMCIDATALENGTH);
+
+		msmsdcc_writel(host, pio_irqmask, MMCIMASK1);
+		msmsdcc_writel(host, datactrl, MMCIDATACTRL);
+
+		if (cmd) {
+			/* Daisy-chain the command if requested */
+			msmsdcc_start_command(host, cmd, c);
+		}
+	}
 }
 
 static void
 msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd, u32 c)
 {
-	if (msmsdcc_readl(host, MMCICOMMAND) & MCI_CPSM_ENABLE)
-		msmsdcc_writel(host, 0, MMCICOMMAND);
-
-	c |= cmd->opcode | MCI_CPSM_ENABLE;
-
-	if (cmd->flags & MMC_RSP_PRESENT) {
-		if (cmd->flags & MMC_RSP_136)
-			c |= MCI_CPSM_LONGRSP;
-		c |= MCI_CPSM_RESPONSE;
-	}
-
-	if (cmd->opcode == 17 || cmd->opcode == 18 ||
-	    cmd->opcode == 24 || cmd->opcode == 25 ||
-	    cmd->opcode == 53)
-		c |= MCI_CSPM_DATCMD;
-
 	if (cmd == cmd->mrq->stop)
 		c |= MCI_CSPM_MCIABORT;
 
-	if (snoop_cccr_abort(cmd))
-		c |= MCI_CSPM_MCIABORT;
-
-	host->curr.cmd = cmd;
-
 	host->stats.cmds++;
 
-	msmsdcc_writel(host, cmd->arg, MMCIARGUMENT);
-	msmsdcc_writel(host, c, MMCICOMMAND);
+	msmsdcc_start_command_deferred(host, cmd, &c);
+	msmsdcc_start_command_exec(host, cmd->arg, c);
 }
 
 static void
@@ -611,7 +673,6 @@ static void msmsdcc_do_cmdirq(struct msmsdcc_host *host, uint32_t status)
 	cmd->resp[2] = msmsdcc_readl(host, MMCIRESPONSE2);
 	cmd->resp[3] = msmsdcc_readl(host, MMCIRESPONSE3);
 
-	del_timer(&host->command_timer);
 	if (status & MCI_CMDTIMEOUT) {
 		cmd->error = -ETIMEDOUT;
 	} else if (status & MCI_CMDCRCFAIL &&
@@ -629,16 +690,24 @@ static void msmsdcc_do_cmdirq(struct msmsdcc_host *host, uint32_t status)
 			msmsdcc_request_end(host, cmd->mrq);
 		} else /* host->data == NULL */
 			msmsdcc_request_end(host, cmd->mrq);
-	} else if (!(cmd->data->flags & MMC_DATA_READ))
-		msmsdcc_start_data(host, cmd->data);
+	} else if (cmd->data)
+		if (!(cmd->data->flags & MMC_DATA_READ))
+			msmsdcc_start_data(host, cmd->data,
+						NULL, 0);
 }
 
 static void
 msmsdcc_handle_irq_data(struct msmsdcc_host *host, u32 status,
 			void __iomem *base)
 {
-	struct mmc_data *data = host->curr.data;
+	struct mmc_data *data;
 
+	if (status & (MCI_CMDSENT | MCI_CMDRESPEND | MCI_CMDCRCFAIL |
+	              MCI_CMDTIMEOUT) && host->curr.cmd) {
+		msmsdcc_do_cmdirq(host, status);
+	}
+
+	data = host->curr.data;
 	if (!data)
 		return;
 
@@ -720,11 +789,6 @@ msmsdcc_irq(int irq, void *dev_id)
 
 		msmsdcc_handle_irq_data(host, status, base);
 
-		if (status & (MCI_CMDSENT | MCI_CMDRESPEND | MCI_CMDCRCFAIL |
-			      MCI_CMDTIMEOUT) && host->curr.cmd) {
-			msmsdcc_do_cmdirq(host, status);
-		}
-
 		if (status & MCI_SDIOINTOPER) {
 			cardint = 1;
 			status &= ~MCI_SDIOINTOPER;
@@ -775,9 +839,10 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		msmsdcc_enable_clocks(host, 1);
 
 	if (mrq->data && mrq->data->flags & MMC_DATA_READ)
-		msmsdcc_start_data(host, mrq->data);
-
-	msmsdcc_start_command(host, mrq->cmd, 0);
+		/* Queue/read data, daisy-chain command when data starts */
+		msmsdcc_start_data(host, mrq->data, mrq->cmd, 0);
+	else
+		msmsdcc_start_command(host, mrq->cmd, 0);
 
 	if (host->cmdpoll && !msmsdcc_spin_on_status(host,
 				MCI_CMDRESPEND|MCI_CMDCRCFAIL|MCI_CMDTIMEOUT,
@@ -790,7 +855,6 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		host->stats.cmdpoll_hits++;
 	} else {
 		host->stats.cmdpoll_misses++;
-		mod_timer(&host->command_timer, jiffies + HZ);
 	}
 	spin_unlock_irqrestore(&host->lock, flags);
 }
@@ -943,42 +1007,6 @@ msmsdcc_busclk_expired(unsigned long _data)
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
-/*
- * called when a command expires.
- * Dump some debugging, and then error
- * out the transaction.
- */
-static void
-msmsdcc_command_expired(unsigned long _data)
-{
-	struct msmsdcc_host	*host = (struct msmsdcc_host *) _data;
-	struct mmc_request	*mrq;
-	unsigned long		flags;
-
-	spin_lock_irqsave(&host->lock, flags);
-	mrq = host->curr.mrq;
-
-	if (!mrq) {
-		spin_unlock_irqrestore(&host->lock, flags);
-		return;
-	}
-
-	pr_err("%s: Controller lockup detected\n",
-	       mmc_hostname(host->mmc));
-	mrq->cmd->error = -ETIMEDOUT;
-	msmsdcc_stop_data(host);
-
-	msmsdcc_writel(host, 0, MMCICOMMAND);
-
-	host->curr.mrq = NULL;
-	host->curr.cmd = NULL;
-
-	if (host->clks_on)
-		msmsdcc_enable_clocks(host, 0);
-	spin_unlock_irqrestore(&host->lock, flags);
-	mmc_request_done(host->mmc, mrq);
-}
-
 static int
 msmsdcc_init_dma(struct msmsdcc_host *host)
 {
@@ -1078,6 +1106,7 @@ msmsdcc_probe(struct platform_device *pdev)
 	host->pdev_id = pdev->id;
 	host->plat = plat;
 	host->mmc = mmc;
+	host->curr.cmd = NULL;
 
 	host->cmdpoll = 1;
 
@@ -1194,14 +1223,6 @@ msmsdcc_probe(struct platform_device *pdev)
 		host->eject = !host->oldstat;
 	}
 
-	/*
-	 * Setup a command timer. We currently need this due to
-	 * some 'strange' timeout / error handling situations.
-	 */
-	init_timer(&host->command_timer);
-	host->command_timer.data = (unsigned long) host;
-	host->command_timer.function = msmsdcc_command_expired;
-
 	init_timer(&host->busclk_timer);
 	host->busclk_timer.data = (unsigned long) host;
 	host->busclk_timer.function = msmsdcc_busclk_expired;
@@ -1243,7 +1264,7 @@ msmsdcc_probe(struct platform_device *pdev)
 		pr_info("%s: Polling status mode enabled\n", mmc_hostname(mmc));
 
 	if (host->use_bustimer)
-		mod_timer(&host->busclk_timer, jiffies + HZ);
+		mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
 	return 0;
  cmd_irq_free:
 	free_irq(cmd_irqres->start, host);
@@ -1267,10 +1288,14 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 {
 	struct mmc_host *mmc = mmc_get_drvdata(dev);
 	int rc = 0;
+	unsigned long flags;
 
 	if (mmc) {
 		struct msmsdcc_host *host = mmc_priv(mmc);
 
+		if (host->use_bustimer)
+			del_timer_sync(&host->busclk_timer);
+		spin_lock_irqsave(&host->lock, flags);
 		if (host->stat_irq)
 			disable_irq(host->stat_irq);
 
@@ -1282,6 +1307,7 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 			if (host->clks_on)
 				msmsdcc_enable_clocks(host, 0);
 		}
+		spin_unlock_irqrestore(&host->lock, flags);
 	}
 	return rc;
 }
@@ -1300,6 +1326,9 @@ msmsdcc_resume(struct platform_device *dev)
 		if (!host->clks_on)
 			msmsdcc_enable_clocks(host, 1);
 
+		if (host->use_bustimer)
+			mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
+
 		msmsdcc_writel(host, host->saved_irq0mask, MMCIMASK0);
 
 		spin_unlock_irqrestore(&host->lock, flags);
diff --git a/drivers/mmc/host/msm_sdcc.h b/drivers/mmc/host/msm_sdcc.h
index 6846bd7dff2..361cb6efd24 100644
--- a/drivers/mmc/host/msm_sdcc.h
+++ b/drivers/mmc/host/msm_sdcc.h
@@ -171,6 +171,7 @@ struct msmsdcc_dma_data {
 	int				channel;
 	struct msmsdcc_host		*host;
 	int				busy; /* Set if DM is busy */
+	int				active;
 };
 
 struct msmsdcc_pio_data {
@@ -213,7 +214,6 @@ struct msmsdcc_host {
 	struct clk		*clk;		/* main MMC bus clock */
 	struct clk		*pclk;		/* SDCC peripheral bus clock */
 	unsigned int		clks_on;	/* set if clocks are enabled */
-	struct timer_list	command_timer;
 	struct timer_list	busclk_timer;
 	int			use_bustimer;
 
@@ -235,6 +235,18 @@ struct msmsdcc_host {
 	struct msmsdcc_pio_data	pio;
 	int			cmdpoll;
 	struct msmsdcc_stats	stats;
+
+#ifdef CONFIG_MMC_MSM7X00A_RESUME_IN_WQ
+	struct work_struct	resume_task;
+#endif
+
+	/* Command parameters */
+	unsigned int		cmd_timeout;
+	unsigned int		cmd_pio_irqmask;
+	unsigned int		cmd_datactrl;
+	struct mmc_command	*cmd_cmd;
+	u32			cmd_c;
+
 };
 
 #endif

From c7fc9370df1433486dfa9460a833fae664e8be6c Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Sun, 22 Nov 2009 17:19:07 -0800
Subject: [PATCH 0119/3638] mmc: msm_sdcc: Fix bug where busclk expiry timer
 was not properly disabled

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 99 +++++++++++++++++++------------------
 drivers/mmc/host/msm_sdcc.h |  1 -
 2 files changed, 52 insertions(+), 48 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 52485859790..591ef3c4e9a 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -48,7 +48,7 @@
 
 #define DRIVER_NAME "msm-sdcc"
 
-#define BUSCLK_TIMEOUT (HZ * 5)
+#define BUSCLK_TIMEOUT (HZ)
 static unsigned int msmsdcc_fmin = 144000;
 static unsigned int msmsdcc_fmax = 50000000;
 static unsigned int msmsdcc_4bit = 1;
@@ -60,29 +60,42 @@ static unsigned int msmsdcc_sdioirq;
 #define CMD_SPINMAX 20
 
 
-static inline int
-msmsdcc_enable_clocks(struct msmsdcc_host *host, int enable)
+static inline void 
+msmsdcc_disable_clocks(struct msmsdcc_host *host, int deferr)
 {
-	int rc;
+	WARN_ON(!host->clks_on);
 
-	WARN_ON(enable == host->clks_on);
-	if (enable) {
-		rc = clk_enable(host->pclk);
-		if (rc)
-			return rc;
-		rc = clk_enable(host->clk);
-		if (rc) {
-			clk_disable(host->pclk);
-			return rc;
-		}
-		udelay(1 + ((3 * USEC_PER_SEC) /
-		       (host->clk_rate ? host->clk_rate : msmsdcc_fmin)));
-		host->clks_on = 1;
+	if (deferr) {
+		mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
 	} else {
+		del_timer_sync(&host->busclk_timer);
+//		dev_info(mmc_dev(host->mmc), "Immediate clock shutdown\n");
 		clk_disable(host->clk);
 		clk_disable(host->pclk);
 		host->clks_on = 0;
 	}
+}
+
+static inline int
+msmsdcc_enable_clocks(struct msmsdcc_host *host)
+{
+	int rc;
+
+	WARN_ON(host->clks_on);
+
+	del_timer_sync(&host->busclk_timer);
+
+	rc = clk_enable(host->pclk);
+	if (rc)
+		return rc;
+	rc = clk_enable(host->clk);
+	if (rc) {
+		clk_disable(host->pclk);
+		return rc;
+	}
+	udelay(1 + ((3 * USEC_PER_SEC) /
+	       (host->clk_rate ? host->clk_rate : msmsdcc_fmin)));
+	host->clks_on = 1;
 	return 0;
 }
 
@@ -118,8 +131,7 @@ msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
 	if (mrq->cmd->error == -ETIMEDOUT)
 		mdelay(5);
 
-	if (host->use_bustimer)
-		mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
+	msmsdcc_disable_clocks(host, 1);
 	/*
 	 * Need to drop the host lock here; mmc_request_done may call
 	 * back into the driver...
@@ -240,12 +252,12 @@ msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 		if (!mrq->data->error)
 			host->curr.data_xfered = host->curr.xfer_size;
 		if (!mrq->data->stop || mrq->cmd->error) {
-			msmsdcc_writel(host, 0, MMCICOMMAND);
 			host->curr.mrq = NULL;
 			host->curr.cmd = NULL;
 			mrq->data->bytes_xfered = host->curr.data_xfered;
 
 			spin_unlock_irqrestore(&host->lock, flags);
+			msmsdcc_disable_clocks(host, 1);
 			mmc_request_done(host->mmc, mrq);
 			return;
 		} else
@@ -835,8 +847,14 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	}
 
 	host->curr.mrq = mrq;
+
+	/* Need to drop the host lock here in case
+	 * the busclk wd fires 
+	 */
+	spin_unlock_irqrestore(&host->lock, flags);
 	if (!host->clks_on)
-		msmsdcc_enable_clocks(host, 1);
+		msmsdcc_enable_clocks(host);
+	spin_lock_irqsave(&host->lock, flags);
 
 	if (mrq->data && mrq->data->flags & MMC_DATA_READ)
 		/* Queue/read data, daisy-chain command when data starts */
@@ -867,9 +885,10 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	int rc;
 	unsigned long flags;
 
-	spin_lock_irqsave(&host->lock, flags);
 	if (!host->clks_on)
-		msmsdcc_enable_clocks(host, 1);
+		msmsdcc_enable_clocks(host);
+
+	spin_lock_irqsave(&host->lock, flags);
 
 	if (ios->clock) {
 		if (ios->clock != host->clk_rate) {
@@ -915,8 +934,7 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		host->pwr = pwr;
 		msmsdcc_writel(host, pwr, MMCIPOWER);
 	}
-	if (host->clks_on)
-		msmsdcc_enable_clocks(host, 0);
+	msmsdcc_disable_clocks(host, 1);
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
@@ -1001,9 +1019,9 @@ msmsdcc_busclk_expired(unsigned long _data)
 	unsigned long 		flags;
 
 	spin_lock_irqsave(&host->lock, flags);
+	dev_info(mmc_dev(host->mmc), "Bus clock timer expired\n");
 	if (host->clks_on)
-		msmsdcc_enable_clocks(host, 0);
-
+		msmsdcc_disable_clocks(host, 0);
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
@@ -1110,8 +1128,6 @@ msmsdcc_probe(struct platform_device *pdev)
 
 	host->cmdpoll = 1;
 
-	host->use_bustimer = 1;
-
 	host->base = ioremap(memres->start, PAGE_SIZE);
 	if (!host->base) {
 		ret = -ENOMEM;
@@ -1143,7 +1159,7 @@ msmsdcc_probe(struct platform_device *pdev)
 	}
 
 	/* Enable clocks */
-	ret = msmsdcc_enable_clocks(host, 1);
+	ret = msmsdcc_enable_clocks(host);
 	if (ret)
 		goto clk_put;
 
@@ -1263,8 +1279,7 @@ msmsdcc_probe(struct platform_device *pdev)
 	if (host->timer.function)
 		pr_info("%s: Polling status mode enabled\n", mmc_hostname(mmc));
 
-	if (host->use_bustimer)
-		mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
+	msmsdcc_disable_clocks(host, 1);
 	return 0;
  cmd_irq_free:
 	free_irq(cmd_irqres->start, host);
@@ -1272,7 +1287,7 @@ msmsdcc_probe(struct platform_device *pdev)
 	if (host->stat_irq)
 		free_irq(host->stat_irq, host);
  clk_disable:
-	msmsdcc_enable_clocks(host, 0);
+	msmsdcc_disable_clocks(host, 0);
  clk_put:
 	clk_put(host->clk);
  pclk_put:
@@ -1293,8 +1308,6 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 	if (mmc) {
 		struct msmsdcc_host *host = mmc_priv(mmc);
 
-		if (host->use_bustimer)
-			del_timer_sync(&host->busclk_timer);
 		spin_lock_irqsave(&host->lock, flags);
 		if (host->stat_irq)
 			disable_irq(host->stat_irq);
@@ -1304,10 +1317,10 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 		if (!rc) {
 			msmsdcc_writel(host, 0, MMCIMASK0);
 
-			if (host->clks_on)
-				msmsdcc_enable_clocks(host, 0);
 		}
 		spin_unlock_irqrestore(&host->lock, flags);
+		if (host->clks_on)
+			msmsdcc_disable_clocks(host, 0);
 	}
 	return rc;
 }
@@ -1316,27 +1329,19 @@ static int
 msmsdcc_resume(struct platform_device *dev)
 {
 	struct mmc_host *mmc = mmc_get_drvdata(dev);
-	unsigned long flags;
 
 	if (mmc) {
 		struct msmsdcc_host *host = mmc_priv(mmc);
 
-		spin_lock_irqsave(&host->lock, flags);
-
-		if (!host->clks_on)
-			msmsdcc_enable_clocks(host, 1);
-
-		if (host->use_bustimer)
-			mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
+		msmsdcc_enable_clocks(host);
 
 		msmsdcc_writel(host, host->saved_irq0mask, MMCIMASK0);
 
-		spin_unlock_irqrestore(&host->lock, flags);
-
 		if (mmc->card && mmc->card->type != MMC_TYPE_SDIO)
 			mmc_resume_host(mmc);
 		if (host->stat_irq)
 			enable_irq(host->stat_irq);
+		msmsdcc_disable_clocks(host, 1);
 	}
 	return 0;
 }
diff --git a/drivers/mmc/host/msm_sdcc.h b/drivers/mmc/host/msm_sdcc.h
index 361cb6efd24..da0039c9285 100644
--- a/drivers/mmc/host/msm_sdcc.h
+++ b/drivers/mmc/host/msm_sdcc.h
@@ -215,7 +215,6 @@ struct msmsdcc_host {
 	struct clk		*pclk;		/* SDCC peripheral bus clock */
 	unsigned int		clks_on;	/* set if clocks are enabled */
 	struct timer_list	busclk_timer;
-	int			use_bustimer;
 
 	unsigned int		eject;		/* eject state */
 

From f4748499d3dc5e7cadecb977f0d4f1f4f4a8d8c5 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Mon, 23 Nov 2009 15:36:31 -0800
Subject: [PATCH 0120/3638] mmc: msm_sdcc: Featurize busclock power save and
 disable it by default

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 591ef3c4e9a..bdafb642a71 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -48,6 +48,7 @@
 
 #define DRIVER_NAME "msm-sdcc"
 
+#define BUSCLK_PWRSAVE 0
 #define BUSCLK_TIMEOUT (HZ)
 static unsigned int msmsdcc_fmin = 144000;
 static unsigned int msmsdcc_fmax = 50000000;
@@ -65,6 +66,8 @@ msmsdcc_disable_clocks(struct msmsdcc_host *host, int deferr)
 {
 	WARN_ON(!host->clks_on);
 
+	BUG_ON(host->curr.mrq);
+
 	if (deferr) {
 		mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
 	} else {
@@ -131,7 +134,9 @@ msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
 	if (mrq->cmd->error == -ETIMEDOUT)
 		mdelay(5);
 
+#if BUSCLK_PWRSAVE
 	msmsdcc_disable_clocks(host, 1);
+#endif
 	/*
 	 * Need to drop the host lock here; mmc_request_done may call
 	 * back into the driver...
@@ -257,7 +262,9 @@ msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 			mrq->data->bytes_xfered = host->curr.data_xfered;
 
 			spin_unlock_irqrestore(&host->lock, flags);
+#if BUSCLK_PWRSAVE
 			msmsdcc_disable_clocks(host, 1);
+#endif
 			mmc_request_done(host->mmc, mrq);
 			return;
 		} else
@@ -934,7 +941,9 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		host->pwr = pwr;
 		msmsdcc_writel(host, pwr, MMCIPOWER);
 	}
+#if BUSCLK_PWRSAVE
 	msmsdcc_disable_clocks(host, 1);
+#endif
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
@@ -1279,7 +1288,9 @@ msmsdcc_probe(struct platform_device *pdev)
 	if (host->timer.function)
 		pr_info("%s: Polling status mode enabled\n", mmc_hostname(mmc));
 
+#if BUSCLK_PWRSAVE
 	msmsdcc_disable_clocks(host, 1);
+#endif
 	return 0;
  cmd_irq_free:
 	free_irq(cmd_irqres->start, host);
@@ -1341,7 +1352,9 @@ msmsdcc_resume(struct platform_device *dev)
 			mmc_resume_host(mmc);
 		if (host->stat_irq)
 			enable_irq(host->stat_irq);
+#if BUSCLK_PWRSAVE
 		msmsdcc_disable_clocks(host, 1);
+#endif
 	}
 	return 0;
 }

From b3b0ca84cfec581fba3ea8efaa8052cb5e6fc857 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Tue, 24 Nov 2009 12:24:55 -0800
Subject: [PATCH 0121/3638] mmc: msm_sdcc: Fix issue where we might not end a
 sucessfull request

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index bdafb642a71..3ea66971edf 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -208,6 +208,7 @@ msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 
 	mrq = host->curr.mrq;
 	BUG_ON(!mrq);
+	WARN_ON(!mrq->data);
 
 	if (!(result & DMOV_RSLT_VALID)) {
 		pr_err("msmsdcc: Invalid DataMover result\n");
@@ -719,14 +720,13 @@ static void
 msmsdcc_handle_irq_data(struct msmsdcc_host *host, u32 status,
 			void __iomem *base)
 {
-	struct mmc_data *data;
+	struct mmc_data *data = host->curr.data;
 
 	if (status & (MCI_CMDSENT | MCI_CMDRESPEND | MCI_CMDCRCFAIL |
 	              MCI_CMDTIMEOUT) && host->curr.cmd) {
 		msmsdcc_do_cmdirq(host, status);
 	}
 
-	data = host->curr.data;
 	if (!data)
 		return;
 
@@ -739,7 +739,8 @@ msmsdcc_handle_irq_data(struct msmsdcc_host *host, u32 status,
 			msm_dmov_stop_cmd(host->dma.channel,
 					  &host->dma.hdr, 0);
 		else {
-			msmsdcc_stop_data(host);
+			if (host->curr.data)
+				msmsdcc_stop_data(host);
 			if (!data->stop)
 				msmsdcc_request_end(host, data->mrq);
 			else

From 673ce00d7cb4ec060b5091992959da4a1d91c634 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Wed, 25 Nov 2009 11:16:57 -0800
Subject: [PATCH 0122/3638] mmc: msm_sdcc: Don't disable interrupts while
 suspending

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 3ea66971edf..6e50939b6f8 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1315,12 +1315,10 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 {
 	struct mmc_host *mmc = mmc_get_drvdata(dev);
 	int rc = 0;
-	unsigned long flags;
 
 	if (mmc) {
 		struct msmsdcc_host *host = mmc_priv(mmc);
 
-		spin_lock_irqsave(&host->lock, flags);
 		if (host->stat_irq)
 			disable_irq(host->stat_irq);
 
@@ -1330,7 +1328,6 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 			msmsdcc_writel(host, 0, MMCIMASK0);
 
 		}
-		spin_unlock_irqrestore(&host->lock, flags);
 		if (host->clks_on)
 			msmsdcc_disable_clocks(host, 0);
 	}

From 24bbd7d5b422cde6a149ac2f9ac6e61e66536532 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Tue, 1 Dec 2009 10:10:47 -0800
Subject: [PATCH 0123/3638] mmc: msm_sdcc: Enable busclk idle timer for power
 savings

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 6e50939b6f8..d42a2dd6932 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -48,7 +48,7 @@
 
 #define DRIVER_NAME "msm-sdcc"
 
-#define BUSCLK_PWRSAVE 0
+#define BUSCLK_PWRSAVE 1
 #define BUSCLK_TIMEOUT (HZ)
 static unsigned int msmsdcc_fmin = 144000;
 static unsigned int msmsdcc_fmax = 50000000;
@@ -72,7 +72,6 @@ msmsdcc_disable_clocks(struct msmsdcc_host *host, int deferr)
 		mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
 	} else {
 		del_timer_sync(&host->busclk_timer);
-//		dev_info(mmc_dev(host->mmc), "Immediate clock shutdown\n");
 		clk_disable(host->clk);
 		clk_disable(host->pclk);
 		host->clks_on = 0;

From 91bb64952a8c57826b01878925bea8831c71a492 Mon Sep 17 00:00:00 2001
From: Dmitry Shmidt <dimitrysh@google.com>
Date: Wed, 2 Dec 2009 17:21:07 -0800
Subject: [PATCH 0124/3638] mmc: msm_sdcc: Don't set host->curr.mrq until after
 we're sure the busclk timer won't fire

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index d42a2dd6932..28899ee392e 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -853,8 +853,6 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		return;
 	}
 
-	host->curr.mrq = mrq;
-
 	/* Need to drop the host lock here in case
 	 * the busclk wd fires 
 	 */
@@ -863,6 +861,8 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		msmsdcc_enable_clocks(host);
 	spin_lock_irqsave(&host->lock, flags);
 
+	host->curr.mrq = mrq;
+
 	if (mrq->data && mrq->data->flags & MMC_DATA_READ)
 		/* Queue/read data, daisy-chain command when data starts */
 		msmsdcc_start_data(host, mrq->data, mrq->cmd, 0);

From 6ac9ea69069804d357064357d0082b0eab4c87ce Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Wed, 2 Dec 2009 17:24:58 -0800
Subject: [PATCH 0125/3638] mmc: msm_sdcc: Fix the dma exec function to use the
 proper delays

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 28899ee392e..8329fd650c5 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -177,17 +177,18 @@ msmsdcc_start_command_exec(struct msmsdcc_host *host, u32 arg, u32 c) {
 static void
 msmsdcc_dma_exec_func(struct msm_dmov_cmd *cmd)
 {
-       struct msmsdcc_host *host = (struct msmsdcc_host *)cmd->data;
+	struct msmsdcc_host *host = (struct msmsdcc_host *)cmd->data;
 
-       writel(host->cmd_timeout, host->base + MMCIDATATIMER);
-       writel((unsigned int)host->curr.xfer_size, host->base + MMCIDATALENGTH);
-       writel(host->cmd_pio_irqmask, host->base + MMCIMASK1);
-       writel(host->cmd_datactrl, host->base + MMCIDATACTRL);
+	msmsdcc_writel(host, host->cmd_timeout, MMCIDATATIMER);
+	msmsdcc_writel(host, (unsigned int)host->curr.xfer_size, MMCIDATALENGTH);
+	msmsdcc_writel(host, host->cmd_pio_irqmask, MMCIMASK1);
+	msmsdcc_writel(host, host->cmd_datactrl, MMCIDATACTRL);
 
-       if (host->cmd_cmd) {
-               msmsdcc_start_command_exec(host,
-                       (u32)host->cmd_cmd->arg, (u32)host->cmd_c);
-       }
+	if (host->cmd_cmd) {
+		msmsdcc_start_command_exec(host,
+					   (u32) host->cmd_cmd->arg,
+					   (u32) host->cmd_c);
+	}
 	host->dma.active = 1;
 }
 

From d0719e59f4ad96616f7c02ef0201667e41778c88 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Thu, 3 Dec 2009 10:58:54 -0800
Subject: [PATCH 0126/3638] mmc: msm_sdcc: Fix issue where clocks could be
 disabled mid transaction

msmsdcc_enable_clocks() was incorrectly being called depending on
the state of host->clks_on. This means the busclk idle timer was never
being deleted if the clock was already on.. Bogus.

    Also fixes a possible double clk disable if the call to
del_timer_sync() in msmsdcc_disable_clocks() raced with
the busclk timer.

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 61 ++++++++++++++++---------------------
 1 file changed, 27 insertions(+), 34 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 8329fd650c5..47b1f252652 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -61,7 +61,7 @@ static unsigned int msmsdcc_sdioirq;
 #define CMD_SPINMAX 20
 
 
-static inline void 
+static inline void
 msmsdcc_disable_clocks(struct msmsdcc_host *host, int deferr)
 {
 	WARN_ON(!host->clks_on);
@@ -72,9 +72,14 @@ msmsdcc_disable_clocks(struct msmsdcc_host *host, int deferr)
 		mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
 	} else {
 		del_timer_sync(&host->busclk_timer);
-		clk_disable(host->clk);
-		clk_disable(host->pclk);
-		host->clks_on = 0;
+		/* Need to check clks_on again in case the busclk
+		 * timer fired
+		 */
+		if (host->clks_on) {
+			clk_disable(host->clk);
+			clk_disable(host->pclk);
+			host->clks_on = 0;
+		}
 	}
 }
 
@@ -83,21 +88,21 @@ msmsdcc_enable_clocks(struct msmsdcc_host *host)
 {
 	int rc;
 
-	WARN_ON(host->clks_on);
-
 	del_timer_sync(&host->busclk_timer);
 
-	rc = clk_enable(host->pclk);
-	if (rc)
-		return rc;
-	rc = clk_enable(host->clk);
-	if (rc) {
-		clk_disable(host->pclk);
-		return rc;
+	if (!host->clks_on) {
+		rc = clk_enable(host->pclk);
+		if (rc)
+			return rc;
+		rc = clk_enable(host->clk);
+		if (rc) {
+			clk_disable(host->pclk);
+			return rc;
+		}
+		udelay(1 + ((3 * USEC_PER_SEC) /
+		       (host->clk_rate ? host->clk_rate : msmsdcc_fmin)));
+		host->clks_on = 1;
 	}
-	udelay(1 + ((3 * USEC_PER_SEC) /
-	       (host->clk_rate ? host->clk_rate : msmsdcc_fmin)));
-	host->clks_on = 1;
 	return 0;
 }
 
@@ -180,7 +185,8 @@ msmsdcc_dma_exec_func(struct msm_dmov_cmd *cmd)
 	struct msmsdcc_host *host = (struct msmsdcc_host *)cmd->data;
 
 	msmsdcc_writel(host, host->cmd_timeout, MMCIDATATIMER);
-	msmsdcc_writel(host, (unsigned int)host->curr.xfer_size, MMCIDATALENGTH);
+	msmsdcc_writel(host, (unsigned int)host->curr.xfer_size,
+		       MMCIDATALENGTH);
 	msmsdcc_writel(host, host->cmd_pio_irqmask, MMCIMASK1);
 	msmsdcc_writel(host, host->cmd_datactrl, MMCIDATACTRL);
 
@@ -854,13 +860,7 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		return;
 	}
 
-	/* Need to drop the host lock here in case
-	 * the busclk wd fires 
-	 */
-	spin_unlock_irqrestore(&host->lock, flags);
-	if (!host->clks_on)
-		msmsdcc_enable_clocks(host);
-	spin_lock_irqsave(&host->lock, flags);
+	msmsdcc_enable_clocks(host);
 
 	host->curr.mrq = mrq;
 
@@ -893,11 +893,10 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	int rc;
 	unsigned long flags;
 
-	if (!host->clks_on)
-		msmsdcc_enable_clocks(host);
-
 	spin_lock_irqsave(&host->lock, flags);
 
+	msmsdcc_enable_clocks(host);
+
 	if (ios->clock) {
 		if (ios->clock != host->clk_rate) {
 			rc = clk_set_rate(host->clk, ios->clock);
@@ -1026,13 +1025,9 @@ static void
 msmsdcc_busclk_expired(unsigned long _data)
 {
 	struct msmsdcc_host	*host = (struct msmsdcc_host *) _data;
-	unsigned long 		flags;
 
-	spin_lock_irqsave(&host->lock, flags);
-	dev_info(mmc_dev(host->mmc), "Bus clock timer expired\n");
 	if (host->clks_on)
 		msmsdcc_disable_clocks(host, 0);
-	spin_unlock_irqrestore(&host->lock, flags);
 }
 
 static int
@@ -1324,10 +1319,8 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 
 		if (mmc->card && mmc->card->type != MMC_TYPE_SDIO)
 			rc = mmc_suspend_host(mmc, state);
-		if (!rc) {
+		if (!rc)
 			msmsdcc_writel(host, 0, MMCIMASK0);
-
-		}
 		if (host->clks_on)
 			msmsdcc_disable_clocks(host, 0);
 	}

From 1cd2296909e77702c68021ede9d87a1d967a6a99 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Wed, 3 Feb 2010 12:59:29 -0800
Subject: [PATCH 0127/3638] drivers: mmc: msm_sdcc: Add EMBEDDED_SDIO support

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 47b1f252652..b40558e18e8 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -616,7 +616,7 @@ msmsdcc_spin_on_status(struct msmsdcc_host *host, uint32_t mask, int maxspin)
 	return -ETIMEDOUT;
 }
 
-static int
+static irqreturn_t
 msmsdcc_pio_irq(int irq, void *dev_id)
 {
 	struct msmsdcc_host	*host = dev_id;
@@ -801,7 +801,6 @@ msmsdcc_irq(int irq, void *dev_id)
 	spin_lock(&host->lock);
 
 	do {
-		struct mmc_data *data;
 		status = msmsdcc_readl(host, MMCISTATUS);
 		status &= (msmsdcc_readl(host, MMCIMASK0) |
 					      MCI_DATABLOCKENDMASK);
@@ -1145,6 +1144,15 @@ msmsdcc_probe(struct platform_device *pdev)
 	host->dmares = dmares;
 	spin_lock_init(&host->lock);
 
+#ifdef CONFIG_MMC_EMBEDDED_SDIO
+	if (plat->embedded_sdio)
+		mmc_set_embedded_sdio_data(mmc,
+					   &plat->embedded_sdio->cis,
+					   &plat->embedded_sdio->cccr,
+					   plat->embedded_sdio->funcs,
+					   plat->embedded_sdio->num_funcs);
+#endif
+
 	/*
 	 * Setup DMA
 	 */

From 395b228858778d3c44f7c413693a6acaa8bb62dc Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 20 Mar 2010 15:31:46 +0000
Subject: [PATCH 0128/3638] mtd/maps/pismo: remove dangling pointer and a leak

While looking for drivers which forgot to clear i2c_clientdata before freeing
the data structure it points to, I found that the pismo driver even has a leak
on the probe error path.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/pismo.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c
index c48cad271f5..0a5e243d2bc 100644
--- a/drivers/mtd/maps/pismo.c
+++ b/drivers/mtd/maps/pismo.c
@@ -233,6 +233,7 @@ static int __devexit pismo_remove(struct i2c_client *client)
 	/* FIXME: set_vpp needs saner arguments */
 	pismo_setvpp_remove_fix(pismo);
 
+	i2c_set_clientdata(client, NULL);
 	kfree(pismo);
 
 	return 0;
@@ -271,7 +272,7 @@ static int __devinit pismo_probe(struct i2c_client *client,
 	ret = pismo_eeprom_read(client, &eeprom, 0, sizeof(eeprom));
 	if (ret < 0) {
 		dev_err(&client->dev, "error reading EEPROM: %d\n", ret);
-		return ret;
+		goto exit_free;
 	}
 
 	dev_info(&client->dev, "%.15s board found\n", eeprom.board);
@@ -282,6 +283,11 @@ static int __devinit pismo_probe(struct i2c_client *client,
 				      pdata->cs_addrs[i]);
 
 	return 0;
+
+ exit_free:
+	i2c_set_clientdata(client, NULL);
+	kfree(pismo);
+	return ret;
 }
 
 static const struct i2c_device_id pismo_id[] = {

From 06c7c313b5605471e321337c770683cf70464197 Mon Sep 17 00:00:00 2001
From: Przemo Firszt <przemo@firszt.eu>
Date: Mon, 22 Mar 2010 09:55:04 +0100
Subject: [PATCH 0129/3638] HID: separate mode switching function for wacom
 bluetooth driver

wacom_poke function allows to switch tablet reporting speed. The patch
dosen't add any new functionality, but it's preparation for user-space
speed switching through sysfs.

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-wacom.c | 66 +++++++++++++++++++++++++----------------
 1 file changed, 40 insertions(+), 26 deletions(-)

diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 4d2d2a2e1a5..f9d493931b0 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -103,6 +103,44 @@ static int wacom_ac_get_property(struct power_supply *psy,
 }
 #endif
 
+static void wacom_poke(struct hid_device *hdev, u8 speed)
+{
+	int limit, ret;
+	char rep_data[2];
+
+	rep_data[0] = 0x03 ; rep_data[1] = 0x00;
+	limit = 3;
+	do {
+		ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
+				HID_FEATURE_REPORT);
+	} while (ret < 0 && limit-- > 0);
+
+	if (ret >= 0) {
+		if (speed == 0)
+			rep_data[0] = 0x05;
+		else
+			rep_data[0] = 0x06;
+
+		rep_data[1] = 0x00;
+		limit = 3;
+		do {
+			ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
+					HID_FEATURE_REPORT);
+		} while (ret < 0 && limit-- > 0);
+
+		if (ret >= 0)
+			return;
+	}
+
+	/*
+	 * Note that if the raw queries fail, it's not a hard failure and it
+	 * is safe to continue
+	 */
+	dev_warn(&hdev->dev, "failed to poke device, command %d, err %d\n",
+				rep_data[0], ret);
+	return;
+}
+
 static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
 		u8 *raw_data, int size)
 {
@@ -236,9 +274,7 @@ static int wacom_probe(struct hid_device *hdev,
 	struct hid_input *hidinput;
 	struct input_dev *input;
 	struct wacom_data *wdata;
-	char rep_data[2];
 	int ret;
-	int limit;
 
 	wdata = kzalloc(sizeof(*wdata), GFP_KERNEL);
 	if (wdata == NULL) {
@@ -261,30 +297,8 @@ static int wacom_probe(struct hid_device *hdev,
 		goto err_free;
 	}
 
-	/*
-	 * Note that if the raw queries fail, it's not a hard failure and it
-	 * is safe to continue
-	 */
-
-	/* Set Wacom mode2 */
-	rep_data[0] = 0x03; rep_data[1] = 0x00;
-	limit = 3;
-	do {
-		ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
-				HID_FEATURE_REPORT);
-	} while (ret < 0 && limit-- > 0);
-	if (ret < 0)
-		dev_warn(&hdev->dev, "failed to poke device #1, %d\n", ret);
-
-	/* 0x06 - high reporting speed, 0x05 - low speed */
-	rep_data[0] = 0x06; rep_data[1] = 0x00;
-	limit = 3;
-	do {
-		ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
-				HID_FEATURE_REPORT);
-	} while (ret < 0 && limit-- > 0);
-	if (ret < 0)
-		dev_warn(&hdev->dev, "failed to poke device #2, %d\n", ret);
+	/* Set Wacom mode 2 with high reporting speed */
+	wacom_poke(hdev, 1);
 
 #ifdef CONFIG_HID_WACOM_POWER_SUPPLY
 	wdata->battery.properties = wacom_battery_props;

From 20a3ce7e490c5015d051f78414f6dd146eec283f Mon Sep 17 00:00:00 2001
From: Przemo Firszt <przemo@firszt.eu>
Date: Thu, 18 Mar 2010 14:34:34 +0000
Subject: [PATCH 0130/3638] HID: add sysfs speed attribute for wacom bluetooth
 tablet

The attribute allows to change reporting speed of tablet from userspace through
sysfs file. The attribute is RW, valid values: 0 is low speed, 1 is high speed.
High speed is the default setting. Using low speed is a workaround if you
experience lag when using the tablet.

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-wacom.c | 40 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index f9d493931b0..97ef6260fda 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -30,6 +30,7 @@
 struct wacom_data {
 	__u16 tool;
 	unsigned char butstate;
+	unsigned char high_speed;
 #ifdef CONFIG_HID_WACOM_POWER_SUPPLY
 	int battery_capacity;
 	struct power_supply battery;
@@ -105,6 +106,7 @@ static int wacom_ac_get_property(struct power_supply *psy,
 
 static void wacom_poke(struct hid_device *hdev, u8 speed)
 {
+	struct wacom_data *wdata = hid_get_drvdata(hdev);
 	int limit, ret;
 	char rep_data[2];
 
@@ -128,8 +130,10 @@ static void wacom_poke(struct hid_device *hdev, u8 speed)
 					HID_FEATURE_REPORT);
 		} while (ret < 0 && limit-- > 0);
 
-		if (ret >= 0)
+		if (ret >= 0) {
+			wdata->high_speed = speed;
 			return;
+		}
 	}
 
 	/*
@@ -141,6 +145,35 @@ static void wacom_poke(struct hid_device *hdev, u8 speed)
 	return;
 }
 
+static ssize_t wacom_show_speed(struct device *dev,
+				struct device_attribute
+				*attr, char *buf)
+{
+	struct wacom_data *wdata = dev_get_drvdata(dev);
+
+	return snprintf(buf, PAGE_SIZE, "%i\n", wdata->high_speed);
+}
+
+static ssize_t wacom_store_speed(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	int new_speed;
+
+	if (sscanf(buf, "%1d", &new_speed ) != 1)
+		return -EINVAL;
+
+	if (new_speed == 0 || new_speed == 1) {
+		wacom_poke(hdev, new_speed);
+		return strnlen(buf, PAGE_SIZE);
+	} else
+		return -EINVAL;
+}
+
+static DEVICE_ATTR(speed, S_IRUGO | S_IWUGO,
+		wacom_show_speed, wacom_store_speed);
+
 static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
 		u8 *raw_data, int size)
 {
@@ -297,6 +330,11 @@ static int wacom_probe(struct hid_device *hdev,
 		goto err_free;
 	}
 
+	ret = device_create_file(&hdev->dev, &dev_attr_speed);
+	if (ret)
+		dev_warn(&hdev->dev,
+			"can't create sysfs speed attribute err: %d\n", ret);
+
 	/* Set Wacom mode 2 with high reporting speed */
 	wacom_poke(hdev, 1);
 

From 14bf62cde79423a02a590e02664ed29a36facec1 Mon Sep 17 00:00:00 2001
From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: Thu, 18 Mar 2010 16:19:43 +0100
Subject: [PATCH 0131/3638] HID: add driver for Roccat Kone gaming mouse

This Patch adds support for Kone gaming mouse from Roccat.
It provides access to profiles, settings, firmware, weight,
actual settings etc. through sysfs attributes.
Event handling of this mouse differs from standard hid behaviour
in that tilt button press is reported in each move event which
results in strange behaviour if not handled by the driver.

This is a heavily reworked version of the previously introduced driver.
The changes include most of the previously raised concerns,
memory leak and other fixes, code cleanups, adoption of additional
achieved knowlege about the hardware and is (IMHO) a much better version
than before even when I exchanged reduced USB-IO with a bigger memory
consumption.

I refused to implement one mentioned point:
Removing the 'just-because-we-can' attributes. Motivation:
Reading the clipped in weight: I'm no gamer and can't determine the
usefulness of this feature but if the manufacturer implements such a
feature it might make sense to someone and I would unwillingly limit the
functionality besides its such a small feature.
Reading the actual profile and dpi settings: Here I can testify that one
can get lost of the actual settings when switching back and forth.
The manufacturers windows driver has the ability for on-screen-display
of the values and there is a mouse in the market that has an lcd on the
underside of it to show these values. So I think this feature makes sense
not only for me and shouldn't be removed.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 .../ABI/testing/sysfs-driver-hid-roccat-kone  |  111 ++
 drivers/hid/Kconfig                           |    7 +
 drivers/hid/Makefile                          |    1 +
 drivers/hid/hid-core.c                        |    1 +
 drivers/hid/hid-ids.h                         |    3 +
 drivers/hid/hid-roccat-kone.c                 | 1006 +++++++++++++++++
 drivers/hid/hid-roccat-kone.h                 |  214 ++++
 7 files changed, 1343 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-hid-roccat-kone
 create mode 100644 drivers/hid/hid-roccat-kone.c
 create mode 100644 drivers/hid/hid-roccat-kone.h

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-kone b/Documentation/ABI/testing/sysfs-driver-hid-roccat-kone
new file mode 100644
index 00000000000..88340a23ce9
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-kone
@@ -0,0 +1,111 @@
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/actual_dpi
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	It is possible to switch the dpi setting of the mouse with the
+		press of a button.
+		When read, this file returns the raw number of the actual dpi
+		setting reported by the mouse. This number has to be further
+		processed to receive the real dpi value.
+
+		VALUE DPI
+		1     800
+		2     1200
+		3     1600
+		4     2000
+		5     2400
+		6     3200
+
+		This file is readonly.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/actual_profile
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	When read, this file returns the number of the actual profile.
+		This file is readonly.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/firmware_version
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	When read, this file returns the raw integer version number of the
+		firmware reported by the mouse. Using the integer value eases
+		further usage in other programs. To receive the real version
+		number the decimal point has to be shifted 2 positions to the
+		left. E.g. a returned value of 138 means 1.38
+		This file is readonly.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/kone_driver_version
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	When read, this file returns the driver version.
+		The format of the string is "v<major>.<minor>.<patchlevel>".
+		This attribute is used by the userland tools to find the sysfs-
+		paths of installed kone-mice and determine the capabilites of
+		the driver. Versions of this driver for old kernels replace
+		usbhid instead of generic-usb. The way to scan for this file
+		has been chosen to provide a consistent way for all supported
+		kernel versions.
+		This file is readonly.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/profile[1-5]
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	The mouse can store 5 profiles which can be switched by the
+                press of a button. A profile holds informations like button
+                mappings, sensitivity, the colors of the 5 leds and light
+                effects.
+                When read, these files return the respective profile. The
+                returned data is 975 bytes in size.
+		When written, this file lets one write the respective profile
+		data back to the mouse. The data has to be 975 bytes long.
+		The mouse will reject invalid data, whereas the profile number
+		stored in the profile doesn't need to fit the number of the
+		store.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/settings
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	When read, this file returns the settings stored in the mouse.
+		The size of the data is 36 bytes and holds information like the
+		startup_profile, tcu state and calibration_data.
+		When written, this file lets write settings back to the mouse.
+		The data has to be 36 bytes long. The mouse will reject invalid
+		data.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/startup_profile
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	The integer value of this attribute ranges from 1 to 5.
+                When read, this attribute returns the number of the profile
+                that's active when the mouse is powered on.
+		When written, this file sets the number of the startup profile
+		and the mouse activates this profile immediately.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/tcu
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	The mouse has a "Tracking Control Unit" which lets the user
+		calibrate the laser power to fit the mousepad surface.
+		When read, this file returns the current state of the TCU,
+		where 0 means off and 1 means on.
+		Writing 0 in this file will switch the TCU off.
+		Writing 1 in this file will start the calibration which takes
+		around 6 seconds to complete and activates the TCU.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/weight
+Date:		March 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	The mouse can be equipped with one of four supplied weights
+		ranging from 5 to 20 grams which are recognized by the mouse
+		and its value can be read out. When read, this file returns the
+		raw value returned by the mouse which eases further processing
+		in other software.
+		The values map to the weights as follows:
+
+		VALUE WEIGHT
+		0     none
+		1     5g
+		2     10g
+		3     15g
+		4     20g
+
+		This file is readonly.
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 71d4c070362..d819b0271b4 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -268,6 +268,13 @@ config HID_QUANTA
 	---help---
 	Support for Quanta Optical Touch dual-touch panels.
 
+config HID_ROCCAT_KONE
+	tristate "Roccat Kone" if EMBEDDED
+	depends on USB_HID
+	default !EMBEDDED
+	---help---
+	Support for Roccat Kone mouse.
+
 config HID_SAMSUNG
 	tristate "Samsung" if EMBEDDED
 	depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 0b2618f092c..08b83ccd9d1 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_HID_ORTEK)		+= hid-ortek.o
 obj-$(CONFIG_HID_QUANTA)	+= hid-quanta.o
 obj-$(CONFIG_HID_PANTHERLORD)	+= hid-pl.o
 obj-$(CONFIG_HID_PETALYNX)	+= hid-petalynx.o
+obj-$(CONFIG_HID_ROCCAT_KONE)	+= hid-roccat-kone.o
 obj-$(CONFIG_HID_SAMSUNG)	+= hid-samsung.o
 obj-$(CONFIG_HID_SMARTJOYPLUS)	+= hid-sjoy.o
 obj-$(CONFIG_HID_SONY)		+= hid-sony.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 2e2aa759d23..5c5a821cd4c 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1346,6 +1346,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 797e0647035..014acfcde56 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -399,6 +399,9 @@
 #define USB_VENDOR_ID_PRODIGE		0x05af
 #define USB_DEVICE_ID_PRODIGE_CORDLESS	0x3062
 
+#define USB_VENDOR_ID_ROCCAT		0x1e7d
+#define USB_DEVICE_ID_ROCCAT_KONE	0x2ced
+
 #define USB_VENDOR_ID_SAITEK		0x06a3
 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD	0xff17
 
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
new file mode 100644
index 00000000000..2b1412e4ff6
--- /dev/null
+++ b/drivers/hid/hid-roccat-kone.c
@@ -0,0 +1,1006 @@
+/*
+ * Roccat Kone driver for Linux
+ *
+ * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+/*
+ * Roccat Kone is a gamer mouse which consists of a mouse part and a keyboard
+ * part. The keyboard part enables the mouse to execute stored macros with mixed
+ * key- and button-events.
+ *
+ * TODO implement on-the-fly polling-rate change
+ *      The windows driver has the ability to change the polling rate of the
+ *      device on the press of a mousebutton.
+ *      Is it possible to remove and reinstall the urb in raw-event- or any
+ *      other handler, or to defer this action to be executed somewhere else?
+ *
+ * TODO implement notification mechanism for overlong macro execution
+ *      If user wants to execute an overlong macro only the names of macroset
+ *      and macro are given. Should userland tap hidraw or is there an
+ *      additional streaming mechanism?
+ *
+ * TODO is it possible to overwrite group for sysfs attributes via udev?
+ */
+
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/hid.h>
+#include <linux/usb.h>
+#include <linux/module.h>
+#include "hid-ids.h"
+#include "hid-roccat-kone.h"
+
+static void kone_set_settings_checksum(struct kone_settings *settings)
+{
+	uint16_t checksum = 0;
+	unsigned char *address = (unsigned char *)settings;
+	int i;
+
+	for (i = 0; i < sizeof(struct kone_settings) - 2; ++i, ++address)
+		checksum += *address;
+	settings->checksum = cpu_to_le16(checksum);
+}
+
+/*
+ * Checks success after writing data to mouse
+ * On success returns 0
+ * On failure returns errno
+ */
+static int kone_check_write(struct usb_device *usb_dev)
+{
+	int len;
+	unsigned char *data;
+
+	data = kmalloc(1, GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	do {
+		/*
+		 * Mouse needs 50 msecs until it says ok, but there are
+		 * 30 more msecs needed for next write to work.
+		 */
+		msleep(80);
+
+		len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
+				USB_REQ_CLEAR_FEATURE,
+				USB_TYPE_CLASS | USB_RECIP_INTERFACE |
+				USB_DIR_IN,
+				kone_command_confirm_write, 0, data, 1,
+				USB_CTRL_SET_TIMEOUT);
+
+		if (len != 1) {
+			kfree(data);
+			return -EIO;
+		}
+
+		/*
+		 * value of 3 seems to mean something like
+		 * "not finished yet, but it looks good"
+		 * So check again after a moment.
+		 */
+	} while (*data == 3);
+
+	if (*data == 1) { /* everything alright */
+		kfree(data);
+		return 0;
+	} else { /* unknown answer */
+		dev_err(&usb_dev->dev, "got retval %d when checking write\n",
+				*data);
+		kfree(data);
+		return -EIO;
+	}
+}
+
+/*
+ * Reads settings from mouse and stores it in @buf
+ * @buf has to be alloced with GFP_KERNEL
+ * On success returns 0
+ * On failure returns errno
+ */
+static int kone_get_settings(struct usb_device *usb_dev,
+		struct kone_settings *buf)
+{
+	int len;
+
+	len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
+			USB_REQ_CLEAR_FEATURE,
+			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
+			kone_command_settings, 0, buf,
+			sizeof(struct kone_settings), USB_CTRL_SET_TIMEOUT);
+
+	if (len != sizeof(struct kone_settings))
+		return -EIO;
+
+	return 0;
+}
+
+/*
+ * Writes settings from @buf to mouse
+ * On success returns 0
+ * On failure returns errno
+ */
+static int kone_set_settings(struct usb_device *usb_dev,
+		struct kone_settings const *settings)
+{
+	int len;
+
+	len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+			USB_REQ_SET_CONFIGURATION,
+			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
+			kone_command_settings, 0, (char *)settings,
+			sizeof(struct kone_settings),
+			USB_CTRL_SET_TIMEOUT);
+
+	if (len != sizeof(struct kone_settings))
+		return -EIO;
+
+	if (kone_check_write(usb_dev))
+		return -EIO;
+
+	return 0;
+}
+
+/*
+ * Reads profile data from mouse and stores it in @buf
+ * @number: profile number to read
+ * On success returns 0
+ * On failure returns errno
+ */
+static int kone_get_profile(struct usb_device *usb_dev,
+		struct kone_profile *buf, int number)
+{
+	int len;
+
+	if (number < 1 || number > 5)
+		return -EINVAL;
+
+	len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
+			USB_REQ_CLEAR_FEATURE,
+			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
+			kone_command_profile, number, buf,
+			sizeof(struct kone_profile), USB_CTRL_SET_TIMEOUT);
+
+	if (len != sizeof(struct kone_profile))
+		return -EIO;
+
+	return 0;
+}
+
+/*
+ * Writes profile data to mouse.
+ * @number: profile number to write
+ * On success returns 0
+ * On failure returns errno
+ */
+static int kone_set_profile(struct usb_device *usb_dev,
+		struct kone_profile const *profile, int number)
+{
+	int len;
+
+	if (number < 1 || number > 5)
+		return -EINVAL;
+
+	len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+			USB_REQ_SET_CONFIGURATION,
+			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
+			kone_command_profile, number, (char *)profile,
+			sizeof(struct kone_profile),
+			USB_CTRL_SET_TIMEOUT);
+
+	if (len != sizeof(struct kone_profile))
+		return len;
+
+	if (kone_check_write(usb_dev))
+		return -EIO;
+
+	return 0;
+}
+
+/*
+ * Reads value of "fast-clip-weight" and stores it in @result
+ * On success returns 0
+ * On failure returns errno
+ */
+static int kone_get_weight(struct usb_device *usb_dev, int *result)
+{
+	int len;
+	uint8_t *data;
+
+	data = kmalloc(1, GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
+			USB_REQ_CLEAR_FEATURE,
+			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
+			kone_command_weight, 0, data, 1, USB_CTRL_SET_TIMEOUT);
+
+	if (len != 1) {
+		kfree(data);
+		return -EIO;
+	}
+	*result = (int)*data;
+	kfree(data);
+	return 0;
+}
+
+/*
+ * Reads firmware_version of mouse and stores it in @result
+ * On success returns 0
+ * On failure returns errno
+ */
+static int kone_get_firmware_version(struct usb_device *usb_dev, int *result)
+{
+	int len;
+	unsigned char *data;
+
+	data = kmalloc(2, GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
+			USB_REQ_CLEAR_FEATURE,
+			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
+			kone_command_firmware_version, 0, data, 2,
+			USB_CTRL_SET_TIMEOUT);
+
+	if (len != 2) {
+		kfree(data);
+		return -EIO;
+	}
+	*result = le16_to_cpu(*data);
+	kfree(data);
+	return 0;
+}
+
+static ssize_t kone_sysfs_read_settings(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+
+	if (off >= sizeof(struct kone_settings))
+		return 0;
+
+	if (off + count > sizeof(struct kone_settings))
+		count = sizeof(struct kone_settings) - off;
+
+	mutex_lock(&kone->kone_lock);
+	memcpy(buf, &kone->settings + off, count);
+	mutex_unlock(&kone->kone_lock);
+
+	return count;
+}
+
+/*
+ * Writing settings automatically activates startup_profile.
+ * This function keeps values in kone_device up to date and assumes that in
+ * case of error the old data is still valid
+ */
+static ssize_t kone_sysfs_write_settings(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int retval = 0, difference;
+
+	/* I need to get my data in one piece */
+	if (off != 0 || count != sizeof(struct kone_settings))
+		return -EINVAL;
+
+	mutex_lock(&kone->kone_lock);
+	difference = memcmp(buf, &kone->settings, sizeof(struct kone_settings));
+	if (difference) {
+		retval = kone_set_settings(usb_dev,
+				(struct kone_settings const *)buf);
+		if (!retval)
+			memcpy(&kone->settings, buf,
+					sizeof(struct kone_settings));
+	}
+	mutex_unlock(&kone->kone_lock);
+
+	if (retval)
+		return retval;
+
+	/*
+	 * If we get here, treat settings as okay and update actual values
+	 * according to startup_profile
+	 */
+	kone->actual_profile = kone->settings.startup_profile;
+	kone->actual_dpi = kone->profiles[kone->actual_profile - 1].startup_dpi;
+
+	return sizeof(struct kone_settings);
+}
+
+static ssize_t kone_sysfs_read_profilex(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count, int number) {
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+
+	if (off >= sizeof(struct kone_profile))
+		return 0;
+
+	if (off + count > sizeof(struct kone_profile))
+		count = sizeof(struct kone_profile) - off;
+
+	mutex_lock(&kone->kone_lock);
+	memcpy(buf, &kone->profiles[number - 1], sizeof(struct kone_profile));
+	mutex_unlock(&kone->kone_lock);
+
+	return count;
+}
+
+static ssize_t kone_sysfs_read_profile1(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 1);
+}
+
+static ssize_t kone_sysfs_read_profile2(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 2);
+}
+
+static ssize_t kone_sysfs_read_profile3(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 3);
+}
+
+static ssize_t kone_sysfs_read_profile4(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 4);
+}
+
+static ssize_t kone_sysfs_read_profile5(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 5);
+}
+
+/* Writes data only if different to stored data */
+static ssize_t kone_sysfs_write_profilex(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count, int number) {
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	struct kone_profile *profile;
+	int retval = 0, difference;
+
+	/* I need to get my data in one piece */
+	if (off != 0 || count != sizeof(struct kone_profile))
+		return -EINVAL;
+
+	profile = &kone->profiles[number - 1];
+
+	mutex_lock(&kone->kone_lock);
+	difference = memcmp(buf, profile, sizeof(struct kone_profile));
+	if (difference) {
+		retval = kone_set_profile(usb_dev,
+				(struct kone_profile const *)buf, number);
+		if (!retval)
+			memcpy(profile, buf, sizeof(struct kone_profile));
+	}
+	mutex_unlock(&kone->kone_lock);
+
+	if (retval)
+		return retval;
+
+	return sizeof(struct kone_profile);
+}
+
+static ssize_t kone_sysfs_write_profile1(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 1);
+}
+
+static ssize_t kone_sysfs_write_profile2(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 2);
+}
+
+static ssize_t kone_sysfs_write_profile3(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 3);
+}
+
+static ssize_t kone_sysfs_write_profile4(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 4);
+}
+
+static ssize_t kone_sysfs_write_profile5(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count) {
+	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 5);
+}
+
+static ssize_t kone_sysfs_show_actual_profile(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_profile);
+}
+
+static ssize_t kone_sysfs_show_actual_dpi(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_dpi);
+}
+
+/* weight is read each time, since we don't get informed when it's changed */
+static ssize_t kone_sysfs_show_weight(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int weight = 0;
+	int retval;
+
+	mutex_lock(&kone->kone_lock);
+	retval = kone_get_weight(usb_dev, &weight);
+	mutex_unlock(&kone->kone_lock);
+
+	if (retval)
+		return retval;
+	return snprintf(buf, PAGE_SIZE, "%d\n", weight);
+}
+
+static ssize_t kone_sysfs_show_firmware_version(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	return snprintf(buf, PAGE_SIZE, "%d\n", kone->firmware_version);
+}
+
+static ssize_t kone_sysfs_show_tcu(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.tcu);
+}
+
+static int kone_tcu_command(struct usb_device *usb_dev, int number)
+{
+	int len;
+	char *value;
+
+	value = kmalloc(1, GFP_KERNEL);
+	if (!value)
+		return -ENOMEM;
+
+	*value = number;
+
+	len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+			USB_REQ_SET_CONFIGURATION,
+			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
+			kone_command_calibrate, 0, value, 1,
+			USB_CTRL_SET_TIMEOUT);
+
+	kfree(value);
+	return ((len != 1) ? -EIO : 0);
+}
+
+/*
+ * Calibrating the tcu is the only action that changes settings data inside the
+ * mouse, so this data needs to be reread
+ */
+static ssize_t kone_sysfs_set_tcu(struct device *dev,
+		struct device_attribute *attr, char const *buf, size_t size)
+{
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int retval;
+	unsigned long state;
+
+	retval = strict_strtoul(buf, 10, &state);
+	if (retval)
+		return retval;
+
+	if (state != 0 && state != 1)
+		return -EINVAL;
+
+	mutex_lock(&kone->kone_lock);
+
+	if (state == 1) { /* state activate */
+		retval = kone_tcu_command(usb_dev, 1);
+		if (retval)
+			goto exit_unlock;
+		retval = kone_tcu_command(usb_dev, 2);
+		if (retval)
+			goto exit_unlock;
+		ssleep(5); /* tcu needs this time for calibration */
+		retval = kone_tcu_command(usb_dev, 3);
+		if (retval)
+			goto exit_unlock;
+		retval = kone_tcu_command(usb_dev, 0);
+		if (retval)
+			goto exit_unlock;
+		retval = kone_tcu_command(usb_dev, 4);
+		if (retval)
+			goto exit_unlock;
+		/*
+		 * Kone needs this time to settle things.
+		 * Reading settings too early will result in invalid data.
+		 * Roccat's driver waits 1 sec, maybe this time could be
+		 * shortened.
+		 */
+		ssleep(1);
+	}
+
+	/* calibration changes values in settings, so reread */
+	retval = kone_get_settings(usb_dev, &kone->settings);
+	if (retval)
+		goto exit_no_settings;
+
+	/* only write settings back if activation state is different */
+	if (kone->settings.tcu != state) {
+		kone->settings.tcu = state;
+		kone_set_settings_checksum(&kone->settings);
+
+		retval = kone_set_settings(usb_dev, &kone->settings);
+		if (retval) {
+			dev_err(&usb_dev->dev, "couldn't set tcu state\n");
+			/*
+			 * try to reread valid settings into buffer overwriting
+			 * first error code
+			 */
+			retval = kone_get_settings(usb_dev, &kone->settings);
+			if (retval)
+				goto exit_no_settings;
+			goto exit_unlock;
+		}
+	}
+
+	retval = size;
+exit_no_settings:
+	dev_err(&usb_dev->dev, "couldn't read settings\n");
+exit_unlock:
+	mutex_unlock(&kone->kone_lock);
+	return retval;
+}
+
+static ssize_t kone_sysfs_show_startup_profile(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.startup_profile);
+}
+
+static ssize_t kone_sysfs_set_startup_profile(struct device *dev,
+		struct device_attribute *attr, char const *buf, size_t size)
+{
+	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int retval;
+	unsigned long new_startup_profile;
+
+	retval = strict_strtoul(buf, 10, &new_startup_profile);
+	if (retval)
+		return retval;
+
+	if (new_startup_profile  < 1 || new_startup_profile > 5)
+		return -EINVAL;
+
+	mutex_lock(&kone->kone_lock);
+
+	kone->settings.startup_profile = new_startup_profile;
+	kone_set_settings_checksum(&kone->settings);
+
+	retval = kone_set_settings(usb_dev, &kone->settings);
+
+	mutex_unlock(&kone->kone_lock);
+
+	if (retval)
+		return retval;
+
+	/* changing the startup profile immediately activates this profile */
+	kone->actual_profile = new_startup_profile;
+	kone->actual_dpi = kone->profiles[kone->actual_profile - 1].startup_dpi;
+
+	return size;
+}
+
+/*
+ * This file is used by userland software to find devices that are handled by
+ * this driver. This provides a consistent way for actual and older kernels
+ * where this driver replaced usbhid instead of generic-usb.
+ * Driver capabilities are determined by version number.
+ */
+static ssize_t kone_sysfs_show_driver_version(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, DRIVER_VERSION "\n");
+}
+
+/*
+ * Read actual dpi settings.
+ * Returns raw value for further processing. Refer to enum kone_polling_rates to
+ * get real value.
+ */
+static DEVICE_ATTR(actual_dpi, 0440, kone_sysfs_show_actual_dpi, NULL);
+
+static DEVICE_ATTR(actual_profile, 0440, kone_sysfs_show_actual_profile, NULL);
+
+/*
+ * The mouse can be equipped with one of four supplied weights from 5 to 20
+ * grams which are recognized and its value can be read out.
+ * This returns the raw value reported by the mouse for easy evaluation by
+ * software. Refer to enum kone_weights to get corresponding real weight.
+ */
+static DEVICE_ATTR(weight, 0440, kone_sysfs_show_weight, NULL);
+
+/*
+ * Prints firmware version stored in mouse as integer.
+ * The raw value reported by the mouse is returned for easy evaluation, to get
+ * the real version number the decimal point has to be shifted 2 positions to
+ * the left. E.g. a value of 138 means 1.38.
+ */
+static DEVICE_ATTR(firmware_version, 0440,
+		kone_sysfs_show_firmware_version, NULL);
+
+/*
+ * Prints state of Tracking Control Unit as number where 0 = off and 1 = on
+ * Writing 0 deactivates tcu and writing 1 calibrates and activates the tcu
+ */
+static DEVICE_ATTR(tcu, 0660, kone_sysfs_show_tcu, kone_sysfs_set_tcu);
+
+/* Prints and takes the number of the profile the mouse starts with */
+static DEVICE_ATTR(startup_profile, 0660,
+		kone_sysfs_show_startup_profile,
+		kone_sysfs_set_startup_profile);
+
+static DEVICE_ATTR(kone_driver_version, 0440,
+		kone_sysfs_show_driver_version, NULL);
+
+static struct attribute *kone_attributes[] = {
+		&dev_attr_actual_dpi.attr,
+		&dev_attr_actual_profile.attr,
+		&dev_attr_weight.attr,
+		&dev_attr_firmware_version.attr,
+		&dev_attr_tcu.attr,
+		&dev_attr_startup_profile.attr,
+		&dev_attr_kone_driver_version.attr,
+		NULL
+};
+
+static struct attribute_group kone_attribute_group = {
+		.attrs = kone_attributes
+};
+
+static struct bin_attribute kone_settings_attr = {
+	.attr = { .name = "settings", .mode = 0660 },
+	.size = sizeof(struct kone_settings),
+	.read = kone_sysfs_read_settings,
+	.write = kone_sysfs_write_settings
+};
+
+static struct bin_attribute kone_profile1_attr = {
+	.attr = { .name = "profile1", .mode = 0660 },
+	.size = sizeof(struct kone_profile),
+	.read = kone_sysfs_read_profile1,
+	.write = kone_sysfs_write_profile1
+};
+
+static struct bin_attribute kone_profile2_attr = {
+	.attr = { .name = "profile2", .mode = 0660 },
+	.size = sizeof(struct kone_profile),
+	.read = kone_sysfs_read_profile2,
+	.write = kone_sysfs_write_profile2
+};
+
+static struct bin_attribute kone_profile3_attr = {
+	.attr = { .name = "profile3", .mode = 0660 },
+	.size = sizeof(struct kone_profile),
+	.read = kone_sysfs_read_profile3,
+	.write = kone_sysfs_write_profile3
+};
+
+static struct bin_attribute kone_profile4_attr = {
+	.attr = { .name = "profile4", .mode = 0660 },
+	.size = sizeof(struct kone_profile),
+	.read = kone_sysfs_read_profile4,
+	.write = kone_sysfs_write_profile4
+};
+
+static struct bin_attribute kone_profile5_attr = {
+	.attr = { .name = "profile5", .mode = 0660 },
+	.size = sizeof(struct kone_profile),
+	.read = kone_sysfs_read_profile5,
+	.write = kone_sysfs_write_profile5
+};
+
+static int kone_create_sysfs_attributes(struct usb_interface *intf)
+{
+	int retval;
+
+	retval = sysfs_create_group(&intf->dev.kobj, &kone_attribute_group);
+	if (retval)
+		goto exit_1;
+
+	retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_settings_attr);
+	if (retval)
+		goto exit_2;
+
+	retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile1_attr);
+	if (retval)
+		goto exit_3;
+
+	retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile2_attr);
+	if (retval)
+		goto exit_4;
+
+	retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile3_attr);
+	if (retval)
+		goto exit_5;
+
+	retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile4_attr);
+	if (retval)
+		goto exit_6;
+
+	retval = sysfs_create_bin_file(&intf->dev.kobj, &kone_profile5_attr);
+	if (retval)
+		goto exit_7;
+
+	return 0;
+
+exit_7:
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile4_attr);
+exit_6:
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile3_attr);
+exit_5:
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile2_attr);
+exit_4:
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile1_attr);
+exit_3:
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_settings_attr);
+exit_2:
+	sysfs_remove_group(&intf->dev.kobj, &kone_attribute_group);
+exit_1:
+	return retval;
+}
+
+static void kone_remove_sysfs_attributes(struct usb_interface *intf)
+{
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile5_attr);
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile4_attr);
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile3_attr);
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile2_attr);
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_profile1_attr);
+	sysfs_remove_bin_file(&intf->dev.kobj, &kone_settings_attr);
+	sysfs_remove_group(&intf->dev.kobj, &kone_attribute_group);
+}
+
+static int kone_init_kone_device_struct(struct usb_device *usb_dev,
+		struct kone_device *kone)
+{
+	uint i;
+	int retval;
+
+	mutex_init(&kone->kone_lock);
+
+	for (i = 0; i < 5; ++i) {
+		retval = kone_get_profile(usb_dev, &kone->profiles[i], i + 1);
+		if (retval)
+			return retval;
+	}
+
+	retval = kone_get_settings(usb_dev, &kone->settings);
+	if (retval)
+		return retval;
+
+	retval = kone_get_firmware_version(usb_dev, &kone->firmware_version);
+	if (retval)
+		return retval;
+
+	kone->actual_profile = kone->settings.startup_profile;
+	kone->actual_dpi = kone->profiles[kone->actual_profile].startup_dpi;
+
+	return 0;
+}
+
+/*
+ * Since IGNORE_MOUSE quirk moved to hid-apple, there is no way to bind only to
+ * mousepart if usb_hid is compiled into the kernel and kone is compiled as
+ * module.
+ * Secial behaviour is bound only to mousepart since only mouseevents contain
+ * additional notifications.
+ */
+static int kone_init_specials(struct hid_device *hdev)
+{
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct usb_device *usb_dev = interface_to_usbdev(intf);
+	struct kone_device *kone;
+	int retval;
+
+	if (intf->cur_altsetting->desc.bInterfaceProtocol
+			== USB_INTERFACE_PROTOCOL_MOUSE) {
+
+		kone = kzalloc(sizeof(*kone), GFP_KERNEL);
+		if (!kone) {
+			dev_err(&hdev->dev, "can't alloc device descriptor\n");
+			return -ENOMEM;
+		}
+		hid_set_drvdata(hdev, kone);
+
+		retval = kone_init_kone_device_struct(usb_dev, kone);
+		if (retval) {
+			dev_err(&hdev->dev,
+					"couldn't init struct kone_device\n");
+			goto exit_free;
+		}
+		retval = kone_create_sysfs_attributes(intf);
+		if (retval) {
+			dev_err(&hdev->dev, "cannot create sysfs files\n");
+			goto exit_free;
+		}
+	} else {
+		hid_set_drvdata(hdev, NULL);
+	}
+
+	return 0;
+exit_free:
+	kfree(kone);
+	return retval;
+}
+
+
+static void kone_remove_specials(struct hid_device *hdev)
+{
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+
+	if (intf->cur_altsetting->desc.bInterfaceProtocol
+			== USB_INTERFACE_PROTOCOL_MOUSE) {
+		kone_remove_sysfs_attributes(intf);
+		kfree(hid_get_drvdata(hdev));
+	}
+}
+
+static int kone_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int retval;
+
+	retval = hid_parse(hdev);
+	if (retval) {
+		dev_err(&hdev->dev, "parse failed\n");
+		goto exit;
+	}
+
+	retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (retval) {
+		dev_err(&hdev->dev, "hw start failed\n");
+		goto exit;
+	}
+
+	retval = kone_init_specials(hdev);
+	if (retval) {
+		dev_err(&hdev->dev, "couldn't install mouse\n");
+		goto exit_stop;
+	}
+
+	return 0;
+
+exit_stop:
+	hid_hw_stop(hdev);
+exit:
+	return retval;
+}
+
+static void kone_remove(struct hid_device *hdev)
+{
+	kone_remove_specials(hdev);
+	hid_hw_stop(hdev);
+}
+
+/*
+ * Is called for keyboard- and mousepart.
+ * Only mousepart gets informations about special events in its extended event
+ * structure.
+ */
+static int kone_raw_event(struct hid_device *hdev, struct hid_report *report,
+		u8 *data, int size)
+{
+	struct kone_device *kone = hid_get_drvdata(hdev);
+	struct kone_mouse_event *event = (struct kone_mouse_event *)data;
+
+	/* keyboard events are always processed by default handler */
+	if (size != sizeof(struct kone_mouse_event))
+		return 0;
+
+	/*
+	 * Firmware 1.38 introduced new behaviour for tilt buttons.
+	 * Pressed tilt button is reported in each movement event.
+	 * Workaround sends only one event per press.
+	 */
+	if (kone->last_tilt_state == event->tilt)
+		event->tilt = 0;
+	else
+		kone->last_tilt_state = event->tilt;
+
+	/*
+	 * handle special events and keep actual profile and dpi values
+	 * up to date
+	 */
+	switch (event->event) {
+	case kone_mouse_event_osd_dpi:
+		dev_dbg(&hdev->dev, "osd dpi event. actual dpi %d\n",
+				event->value);
+		return 1; /* return 1 if event was handled */
+	case kone_mouse_event_switch_dpi:
+		kone->actual_dpi = event->value;
+		dev_dbg(&hdev->dev, "switched dpi to %d\n", event->value);
+		return 1;
+	case kone_mouse_event_osd_profile:
+		dev_dbg(&hdev->dev, "osd profile event. actual profile %d\n",
+				event->value);
+		return 1;
+	case kone_mouse_event_switch_profile:
+		kone->actual_profile = event->value;
+		kone->actual_dpi = kone->profiles[kone->actual_profile - 1].
+				startup_dpi;
+		dev_dbg(&hdev->dev, "switched profile to %d\n", event->value);
+		return 1;
+	case kone_mouse_event_call_overlong_macro:
+		dev_dbg(&hdev->dev, "overlong macro called, button %d %s/%s\n",
+				event->macro_key,
+				kone->profiles[kone->actual_profile - 1].
+				button_infos[event->macro_key].macro_set_name,
+				kone->profiles[kone->actual_profile - 1].
+				button_infos[event->macro_key].macro_name
+				);
+		return 1;
+	}
+
+	return 0; /* do further processing */
+}
+
+static const struct hid_device_id kone_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(hid, kone_devices);
+
+static struct hid_driver kone_driver = {
+		.name = "kone",
+		.id_table = kone_devices,
+		.probe = kone_probe,
+		.remove = kone_remove,
+		.raw_event = kone_raw_event
+};
+
+static int kone_init(void)
+{
+	return hid_register_driver(&kone_driver);
+}
+
+static void kone_exit(void)
+{
+	hid_unregister_driver(&kone_driver);
+}
+
+module_init(kone_init);
+module_exit(kone_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE(DRIVER_LICENSE);
diff --git a/drivers/hid/hid-roccat-kone.h b/drivers/hid/hid-roccat-kone.h
new file mode 100644
index 00000000000..ee6898c9d92
--- /dev/null
+++ b/drivers/hid/hid-roccat-kone.h
@@ -0,0 +1,214 @@
+#ifndef __HID_ROCCAT_KONE_H
+#define __HID_ROCCAT_KONE_H
+
+/*
+ * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/types.h>
+
+#define DRIVER_VERSION "v0.3.0"
+#define DRIVER_AUTHOR "Stefan Achatz"
+#define DRIVER_DESC "USB Roccat Kone driver"
+#define DRIVER_LICENSE "GPL v2"
+
+#pragma pack(push)
+#pragma pack(1)
+
+struct kone_keystroke {
+	uint8_t key;
+	uint8_t action;
+	uint16_t period; /* in milliseconds */
+};
+
+enum kone_keystroke_buttons {
+	kone_keystroke_button_1 = 0xf0, /* left mouse button */
+	kone_keystroke_button_2 = 0xf1, /* right mouse button */
+	kone_keystroke_button_3 = 0xf2, /* wheel */
+	kone_keystroke_button_9 = 0xf3, /* side button up */
+	kone_keystroke_button_8 = 0xf4 /* side button down */
+};
+
+enum kone_keystroke_actions {
+	kone_keystroke_action_press = 0,
+	kone_keystroke_action_release = 1
+};
+
+struct kone_button_info {
+	uint8_t number; /* range 1-8 */
+	uint8_t type;
+	uint8_t macro_type; /* 0 = short, 1 = overlong */
+	uint8_t macro_set_name[16]; /* can be max 15 chars long */
+	uint8_t macro_name[16]; /* can be max 15 chars long */
+	uint8_t count;
+	struct kone_keystroke keystrokes[20];
+};
+
+enum kone_button_info_types {
+	/* valid button types until firmware 1.32 */
+	kone_button_info_type_button_1 = 0x1, /* click (left mouse button) */
+	kone_button_info_type_button_2 = 0x2, /* menu (right mouse button)*/
+	kone_button_info_type_button_3 = 0x3, /* scroll (wheel) */
+	kone_button_info_type_double_click = 0x4,
+	kone_button_info_type_key = 0x5,
+	kone_button_info_type_macro = 0x6,
+	kone_button_info_type_off = 0x7,
+	/* TODO clarify function and rename */
+	kone_button_info_type_osd_xy_prescaling = 0x8,
+	kone_button_info_type_osd_dpi = 0x9,
+	kone_button_info_type_osd_profile = 0xa,
+	kone_button_info_type_button_9 = 0xb, /* ie forward */
+	kone_button_info_type_button_8 = 0xc, /* ie backward */
+	kone_button_info_type_dpi_up = 0xd, /* internal */
+	kone_button_info_type_dpi_down = 0xe, /* internal */
+	kone_button_info_type_button_7 = 0xf, /* tilt left */
+	kone_button_info_type_button_6 = 0x10, /* tilt right */
+	kone_button_info_type_profile_up = 0x11, /* internal */
+	kone_button_info_type_profile_down = 0x12, /* internal */
+	/* additional valid button types since firmware 1.38 */
+	kone_button_info_type_multimedia_open_player = 0x20,
+	kone_button_info_type_multimedia_next_track = 0x21,
+	kone_button_info_type_multimedia_prev_track = 0x22,
+	kone_button_info_type_multimedia_play_pause = 0x23,
+	kone_button_info_type_multimedia_stop = 0x24,
+	kone_button_info_type_multimedia_mute = 0x25,
+	kone_button_info_type_multimedia_volume_up = 0x26,
+	kone_button_info_type_multimedia_volume_down = 0x27
+};
+
+struct kone_light_info {
+	uint8_t number; /* number of light 1-5 */
+	uint8_t mod;   /* 1 = on, 2 = off */
+	uint8_t red;   /* range 0x00-0xff */
+	uint8_t green; /* range 0x00-0xff */
+	uint8_t blue;  /* range 0x00-0xff */
+};
+
+struct kone_profile {
+	uint16_t size; /* always 975 */
+	uint16_t unused; /* always 0 */
+
+	/*
+	 * range 1-5
+	 * This number does not need to correspond with location where profile
+	 * saved
+	 */
+	uint8_t profile; /* range 1-5 */
+
+	uint16_t main_sensitivity; /* range 100-1000 */
+	uint8_t xy_sensitivity_enabled; /* 1 = on, 2 = off */
+	uint16_t x_sensitivity; /* range 100-1000 */
+	uint16_t y_sensitivity; /* range 100-1000 */
+	uint8_t dpi_rate; /* bit 1 = 800, ... */
+	uint8_t startup_dpi; /* range 1-6 */
+	uint8_t polling_rate; /* 1 = 125Hz, 2 = 500Hz, 3 = 1000Hz */
+	/* kone has no dcu
+	 * value is always 2 in firmwares <= 1.32 and
+	 * 1 in firmwares > 1.32
+	 */
+	uint8_t dcu_flag;
+	uint8_t light_effect_1; /* range 1-3 */
+	uint8_t light_effect_2; /* range 1-5 */
+	uint8_t light_effect_3; /* range 1-4 */
+	uint8_t light_effect_speed; /* range 0-255 */
+
+	struct kone_light_info light_infos[5];
+	struct kone_button_info button_infos[8];
+
+	uint16_t checksum; /* \brief holds checksum of struct */
+};
+
+enum kone_polling_rates {
+	kone_polling_rate_125 = 1,
+	kone_polling_rate_500 = 2,
+	kone_polling_rate_1000 = 3
+};
+
+struct kone_settings {
+	uint16_t size; /* always 36 */
+	uint8_t  startup_profile; /* 1-5 */
+	uint8_t	 unknown1;
+	uint8_t  tcu; /* 0 = off, 1 = on */
+	uint8_t  unknown2[23];
+	uint8_t  calibration_data[4];
+	uint8_t  unknown3[2];
+	uint16_t checksum;
+};
+
+/*
+ * 12 byte mouse event read by interrupt_read
+ */
+struct kone_mouse_event {
+	uint8_t report_number; /* always 1 */
+	uint8_t button;
+	uint16_t x;
+	uint16_t y;
+	uint8_t wheel; /* up = 1, down = -1 */
+	uint8_t tilt; /* right = 1, left = -1 */
+	uint8_t unknown;
+	uint8_t event;
+	uint8_t value; /* press = 0, release = 1 */
+	uint8_t macro_key; /* 0 to 8 */
+};
+
+enum kone_mouse_events {
+	/* osd events are thought to be display on screen */
+	kone_mouse_event_osd_dpi = 0xa0,
+	kone_mouse_event_osd_profile = 0xb0,
+	/* TODO clarify meaning and occurence of kone_mouse_event_calibration */
+	kone_mouse_event_calibration = 0xc0,
+	kone_mouse_event_call_overlong_macro = 0xe0,
+	/* switch events notify if user changed values wiht mousebutton click */
+	kone_mouse_event_switch_dpi = 0xf0,
+	kone_mouse_event_switch_profile = 0xf1
+};
+
+enum kone_commands {
+	kone_command_profile = 0x5a,
+	kone_command_settings = 0x15a,
+	kone_command_firmware_version = 0x25a,
+	kone_command_weight = 0x45a,
+	kone_command_calibrate = 0x55a,
+	kone_command_confirm_write = 0x65a,
+	kone_command_firmware = 0xe5a
+};
+
+#pragma pack(pop)
+
+struct kone_device {
+	/*
+	 * Storing actual values when we get informed about changes since there
+	 * is no way of getting this information from the device on demand
+	 */
+	int actual_profile, actual_dpi;
+	/* Used for neutralizing abnormal tilt button behaviour */
+	int last_tilt_state;
+	/*
+	 * It's unlikely that multiple sysfs attributes are accessed at a time,
+	 * so only one mutex is used to secure hardware access and profiles and
+	 * settings of this struct.
+	 */
+	struct mutex kone_lock;
+
+	/*
+	 * Storing the data here reduces IO and ensures that data is available
+	 * when its needed (E.g. interrupt handler).
+	 */
+	struct kone_profile profiles[5];
+	struct kone_settings settings;
+
+	/*
+	 * firmware doesn't change unless firmware update is implemented,
+	 * so it's read only once
+	 */
+	int firmware_version;
+};
+
+#endif

From 23d386d85a9144612c4a13733aa1ca6e5a21f4a2 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Mon, 22 Mar 2010 16:33:15 +0100
Subject: [PATCH 0132/3638] HID: fixup Kconfig entry for Roccat Kone

Make it independent on CONFIG_EMBEDDED (to be in sync with other
"full-fledged" HID drivers which are not simple quirks) and provide
a little bit better text description.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index d819b0271b4..44b4691fd19 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -269,9 +269,8 @@ config HID_QUANTA
 	Support for Quanta Optical Touch dual-touch panels.
 
 config HID_ROCCAT_KONE
-	tristate "Roccat Kone" if EMBEDDED
+	tristate "Roccat Kone Mouse support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Roccat Kone mouse.
 

From 80a6d7db9fa06c29c89ccce0374870ac64a81d3f Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Wed, 24 Mar 2010 21:35:23 +0800
Subject: [PATCH 0133/3638] crypto: pcrypt - Handle crypto_get_attr_type errors

I was concerned about the error handling for crypto_get_attr_type() in
pcrypt_alloc_aead().  Steffen Klassert pointed out that we could simply
avoid calling crypto_get_attr_type() if we passed the type and mask as a
parameters.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/pcrypt.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index 80201241b69..247178cb98e 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -315,16 +315,13 @@ out_free_inst:
 	goto out;
 }
 
-static struct crypto_instance *pcrypt_alloc_aead(struct rtattr **tb)
+static struct crypto_instance *pcrypt_alloc_aead(struct rtattr **tb,
+						 u32 type, u32 mask)
 {
 	struct crypto_instance *inst;
 	struct crypto_alg *alg;
-	struct crypto_attr_type *algt;
 
-	algt = crypto_get_attr_type(tb);
-
-	alg = crypto_get_attr_alg(tb, algt->type,
-				  (algt->mask & CRYPTO_ALG_TYPE_MASK));
+	alg = crypto_get_attr_alg(tb, type, (mask & CRYPTO_ALG_TYPE_MASK));
 	if (IS_ERR(alg))
 		return ERR_CAST(alg);
 
@@ -365,7 +362,7 @@ static struct crypto_instance *pcrypt_alloc(struct rtattr **tb)
 
 	switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) {
 	case CRYPTO_ALG_TYPE_AEAD:
-		return pcrypt_alloc_aead(tb);
+		return pcrypt_alloc_aead(tb, algt->type, algt->mask);
 	}
 
 	return ERR_PTR(-EINVAL);

From 62e7bec49479e0c61e8cfd914f722a9ca6fd52e5 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Wed, 24 Mar 2010 21:37:57 +0800
Subject: [PATCH 0134/3638] crypto: aesni-intel - Fix another CTR build failure
 with gas 2.16.1

The previous AES-NI CTR optimization compiling failure gas 2.16.1 fix
introduces another compiling failure by itself. This patch fixes that.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 arch/x86/include/asm/inst.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/inst.h b/arch/x86/include/asm/inst.h
index 840a399701b..280bf7fb6ab 100644
--- a/arch/x86/include/asm/inst.h
+++ b/arch/x86/include/asm/inst.h
@@ -120,9 +120,9 @@
 	.macro REG_TYPE type reg
 	R64_NUM reg_type_r64 \reg
 	XMM_NUM reg_type_xmm \reg
-	.if reg_type_r64 != REG_NUM_INVALID
+	.if reg_type_r64 <> REG_NUM_INVALID
 	\type = REG_TYPE_R64
-	.elseif reg_type_xmm != REG_NUM_INVALID
+	.elseif reg_type_xmm <> REG_NUM_INVALID
 	\type = REG_TYPE_XMM
 	.else
 	\type = REG_TYPE_INVALID

From cecd87da83869ad4157295b87a2e51e38c3e03bf Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 4 Mar 2010 14:31:47 +0100
Subject: [PATCH 0135/3638] DMAENGINE: COH 901 318 rename confusing vars

This fixes up the code with a lot of comments that make it readable,
rename things with opaque names like "data" into something more
appropriate, and remove some very confusing BUG() statements.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/coh901318.c | 103 +++++++++++++++++++++++++---------------
 1 file changed, 65 insertions(+), 38 deletions(-)

diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 1656fdcdb6c..20889c98e9b 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -37,7 +37,7 @@ struct coh901318_desc {
 	struct list_head node;
 	struct scatterlist *sg;
 	unsigned int sg_len;
-	struct coh901318_lli *data;
+	struct coh901318_lli *lli;
 	enum dma_data_direction dir;
 	unsigned long flags;
 };
@@ -283,7 +283,7 @@ static int coh901318_start(struct coh901318_chan *cohc)
 }
 
 static int coh901318_prep_linked_list(struct coh901318_chan *cohc,
-				      struct coh901318_lli *data)
+				      struct coh901318_lli *lli)
 {
 	int channel = cohc->id;
 	void __iomem *virtbase = cohc->base->virtbase;
@@ -292,18 +292,18 @@ static int coh901318_prep_linked_list(struct coh901318_chan *cohc,
 		     COH901318_CX_STAT_SPACING*channel) &
 	       COH901318_CX_STAT_ACTIVE);
 
-	writel(data->src_addr,
+	writel(lli->src_addr,
 	       virtbase + COH901318_CX_SRC_ADDR +
 	       COH901318_CX_SRC_ADDR_SPACING * channel);
 
-	writel(data->dst_addr, virtbase +
+	writel(lli->dst_addr, virtbase +
 	       COH901318_CX_DST_ADDR +
 	       COH901318_CX_DST_ADDR_SPACING * channel);
 
-	writel(data->link_addr, virtbase + COH901318_CX_LNK_ADDR +
+	writel(lli->link_addr, virtbase + COH901318_CX_LNK_ADDR +
 	       COH901318_CX_LNK_ADDR_SPACING * channel);
 
-	writel(data->control, virtbase + COH901318_CX_CTRL +
+	writel(lli->control, virtbase + COH901318_CX_CTRL +
 	       COH901318_CX_CTRL_SPACING * channel);
 
 	return 0;
@@ -565,29 +565,30 @@ static int coh901318_config(struct coh901318_chan *cohc,
  */
 static struct coh901318_desc *coh901318_queue_start(struct coh901318_chan *cohc)
 {
-	struct coh901318_desc *cohd_que;
+	struct coh901318_desc *cohd;
 
-	/* start queued jobs, if any
+	/*
+	 * start queued jobs, if any
 	 * TODO: transmit all queued jobs in one go
 	 */
-	cohd_que = coh901318_first_queued(cohc);
+	cohd = coh901318_first_queued(cohc);
 
-	if (cohd_que != NULL) {
+	if (cohd != NULL) {
 		/* Remove from queue */
-		coh901318_desc_remove(cohd_que);
+		coh901318_desc_remove(cohd);
 		/* initiate DMA job */
 		cohc->busy = 1;
 
-		coh901318_desc_submit(cohc, cohd_que);
+		coh901318_desc_submit(cohc, cohd);
 
-		coh901318_prep_linked_list(cohc, cohd_que->data);
+		coh901318_prep_linked_list(cohc, cohd->lli);
 
-		/* start dma job */
+		/* start dma job on this channel */
 		coh901318_start(cohc);
 
 	}
 
-	return cohd_que;
+	return cohd;
 }
 
 /*
@@ -622,7 +623,7 @@ static void dma_tasklet(unsigned long data)
 	cohc->completed = cohd_fin->desc.cookie;
 
 	/* release the lli allocation and remove the descriptor */
-	coh901318_lli_free(&cohc->base->pool, &cohd_fin->data);
+	coh901318_lli_free(&cohc->base->pool, &cohd_fin->lli);
 
 	/* return desc to free-list */
 	coh901318_desc_remove(cohd_fin);
@@ -666,23 +667,44 @@ static void dma_tasklet(unsigned long data)
 /* called from interrupt context */
 static void dma_tc_handle(struct coh901318_chan *cohc)
 {
-	BUG_ON(!cohc->allocated && (list_empty(&cohc->active) ||
-				    list_empty(&cohc->queue)));
-
-	if (!cohc->allocated)
+	/*
+	 * If the channel is not allocated, then we shouldn't have
+	 * any TC interrupts on it.
+	 */
+	if (!cohc->allocated) {
+		dev_err(COHC_2_DEV(cohc), "spurious interrupt from "
+			"unallocated channel\n");
 		return;
+	}
 
 	spin_lock(&cohc->lock);
 
+	/*
+	 * When we reach this point, at least one queue item
+	 * should have been moved over from cohc->queue to
+	 * cohc->active and run to completion, that is why we're
+	 * getting a terminal count interrupt is it not?
+	 * If you get this BUG() the most probable cause is that
+	 * the individual nodes in the lli chain have IRQ enabled,
+	 * so check your platform config for lli chain ctrl.
+	 */
+	BUG_ON(list_empty(&cohc->active));
+
 	cohc->nbr_active_done++;
 
+	/*
+	 * This attempt to take a job from cohc->queue, put it
+	 * into cohc->active and start it.
+	 */
 	if (coh901318_queue_start(cohc) == NULL)
 		cohc->busy = 0;
 
-	BUG_ON(list_empty(&cohc->active));
-
 	spin_unlock(&cohc->lock);
 
+	/*
+	 * This tasklet will remove items from cohc->active
+	 * and thus terminates them.
+	 */
 	if (cohc_chan_conf(cohc)->priority_high)
 		tasklet_hi_schedule(&cohc->tasklet);
 	else
@@ -870,7 +892,7 @@ static struct dma_async_tx_descriptor *
 coh901318_prep_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 		      size_t size, unsigned long flags)
 {
-	struct coh901318_lli *data;
+	struct coh901318_lli *lli;
 	struct coh901318_desc *cohd;
 	unsigned long flg;
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
@@ -892,23 +914,23 @@ coh901318_prep_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 	if ((lli_len << MAX_DMA_PACKET_SIZE_SHIFT) < size)
 		lli_len++;
 
-	data = coh901318_lli_alloc(&cohc->base->pool, lli_len);
+	lli = coh901318_lli_alloc(&cohc->base->pool, lli_len);
 
-	if (data == NULL)
+	if (lli == NULL)
 		goto err;
 
 	ret = coh901318_lli_fill_memcpy(
-		&cohc->base->pool, data, src, size, dest,
+		&cohc->base->pool, lli, src, size, dest,
 		cohc_chan_param(cohc)->ctrl_lli_chained,
 		ctrl_last);
 	if (ret)
 		goto err;
 
-	COH_DBG(coh901318_list_print(cohc, data));
+	COH_DBG(coh901318_list_print(cohc, lli));
 
 	/* Pick a descriptor to handle this transfer */
 	cohd = coh901318_desc_get(cohc);
-	cohd->data = data;
+	cohd->lli = lli;
 	cohd->flags = flags;
 	cohd->desc.tx_submit = coh901318_tx_submit;
 
@@ -926,7 +948,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 			unsigned long flags)
 {
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
-	struct coh901318_lli *data;
+	struct coh901318_lli *lli;
 	struct coh901318_desc *cohd;
 	const struct coh901318_params *params;
 	struct scatterlist *sg;
@@ -999,13 +1021,13 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	}
 
 	pr_debug("Allocate %d lli:s for this transfer\n", len);
-	data = coh901318_lli_alloc(&cohc->base->pool, len);
+	lli = coh901318_lli_alloc(&cohc->base->pool, len);
 
-	if (data == NULL)
+	if (lli == NULL)
 		goto err_dma_alloc;
 
-	/* initiate allocated data list */
-	ret = coh901318_lli_fill_sg(&cohc->base->pool, data, sgl, sg_len,
+	/* initiate allocated lli list */
+	ret = coh901318_lli_fill_sg(&cohc->base->pool, lli, sgl, sg_len,
 				    cohc_dev_addr(cohc),
 				    ctrl_chained,
 				    ctrl,
@@ -1014,14 +1036,14 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	if (ret)
 		goto err_lli_fill;
 
-	COH_DBG(coh901318_list_print(cohc, data));
+	COH_DBG(coh901318_list_print(cohc, lli));
 
 	/* Pick a descriptor to handle this transfer */
 	cohd = coh901318_desc_get(cohc);
 	cohd->dir = direction;
 	cohd->flags = flags;
 	cohd->desc.tx_submit = coh901318_tx_submit;
-	cohd->data = data;
+	cohd->lli = lli;
 
 	spin_unlock_irqrestore(&cohc->lock, flg);
 
@@ -1065,7 +1087,12 @@ coh901318_issue_pending(struct dma_chan *chan)
 
 	spin_lock_irqsave(&cohc->lock, flags);
 
-	/* Busy means that pending jobs are already being processed */
+	/*
+	 * Busy means that pending jobs are already being processed,
+	 * and then there is no point in starting the queue: the
+	 * terminal count interrupt on the channel will take the next
+	 * job on the queue and execute it anyway.
+	 */
 	if (!cohc->busy)
 		coh901318_queue_start(cohc);
 
@@ -1099,7 +1126,7 @@ coh901318_terminate_all(struct dma_chan *chan)
 
 	while ((cohd = coh901318_first_active_get(cohc))) {
 		/* release the lli allocation*/
-		coh901318_lli_free(&cohc->base->pool, &cohd->data);
+		coh901318_lli_free(&cohc->base->pool, &cohd->lli);
 
 		/* return desc to free-list */
 		coh901318_desc_remove(cohd);
@@ -1108,7 +1135,7 @@ coh901318_terminate_all(struct dma_chan *chan)
 
 	while ((cohd = coh901318_first_queued(cohc))) {
 		/* release the lli allocation*/
-		coh901318_lli_free(&cohc->base->pool, &cohd->data);
+		coh901318_lli_free(&cohc->base->pool, &cohd->lli);
 
 		/* return desc to free-list */
 		coh901318_desc_remove(cohd);

From 84c8447c544bc7579097649273bc3f4e1b5de6af Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 4 Mar 2010 14:40:30 +0100
Subject: [PATCH 0136/3638] DMAENGINE: COH 901 318 fix bytesleft

This makes the function to get the number of bytes left in the
ongoing DMA transaction actually work: the old code did not take
neither lli:s nor queued jobs into account. Also fix a missing
spinlock while we're at it.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/coh901318.c | 96 +++++++++++++++++++++++++++++++++++++----
 1 file changed, 88 insertions(+), 8 deletions(-)

diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 20889c98e9b..f636c4a87c7 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -408,25 +408,100 @@ coh901318_first_queued(struct coh901318_chan *cohc)
 	return d;
 }
 
+static inline u32 coh901318_get_bytes_in_lli(struct coh901318_lli *in_lli)
+{
+	struct coh901318_lli *lli = in_lli;
+	u32 bytes = 0;
+
+	while (lli) {
+		bytes += lli->control & COH901318_CX_CTRL_TC_VALUE_MASK;
+		lli = lli->virt_link_addr;
+	}
+	return bytes;
+}
+
 /*
- * DMA start/stop controls
+ * Get the number of bytes left to transfer on this channel,
+ * it is unwise to call this before stopping the channel for
+ * absolute measures, but for a rough guess you can still call
+ * it.
  */
 u32 coh901318_get_bytes_left(struct dma_chan *chan)
 {
-	unsigned long flags;
-	u32 ret;
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
+	struct coh901318_desc *cohd;
+	struct list_head *pos;
+	unsigned long flags;
+	u32 left = 0;
+	int i = 0;
 
 	spin_lock_irqsave(&cohc->lock, flags);
 
-	/* Read transfer count value */
-	ret = readl(cohc->base->virtbase +
-		    COH901318_CX_CTRL+COH901318_CX_CTRL_SPACING *
-		    cohc->id) & COH901318_CX_CTRL_TC_VALUE_MASK;
+	/*
+	 * If there are many queued jobs, we iterate and add the
+	 * size of them all. We take a special look on the first
+	 * job though, since it is probably active.
+	 */
+	list_for_each(pos, &cohc->active) {
+		/*
+		 * The first job in the list will be working on the
+		 * hardware. The job can be stopped but still active,
+		 * so that the transfer counter is somewhere inside
+		 * the buffer.
+		 */
+		cohd = list_entry(pos, struct coh901318_desc, node);
+
+		if (i == 0) {
+			struct coh901318_lli *lli;
+			dma_addr_t ladd;
+
+			/* Read current transfer count value */
+			left = readl(cohc->base->virtbase +
+				     COH901318_CX_CTRL +
+				     COH901318_CX_CTRL_SPACING * cohc->id) &
+				COH901318_CX_CTRL_TC_VALUE_MASK;
+
+			/* See if the transfer is linked... */
+			ladd = readl(cohc->base->virtbase +
+				     COH901318_CX_LNK_ADDR +
+				     COH901318_CX_LNK_ADDR_SPACING *
+				     cohc->id) &
+				~COH901318_CX_LNK_LINK_IMMEDIATE;
+			/* Single transaction */
+			if (!ladd)
+				continue;
+
+			/*
+			 * Linked transaction, follow the lli, find the
+			 * currently processing lli, and proceed to the next
+			 */
+			lli = cohd->lli;
+			while (lli && lli->link_addr != ladd)
+				lli = lli->virt_link_addr;
+
+			if (lli)
+				lli = lli->virt_link_addr;
+
+			/*
+			 * Follow remaining lli links around to count the total
+			 * number of bytes left
+			 */
+			left += coh901318_get_bytes_in_lli(lli);
+		} else {
+			left += coh901318_get_bytes_in_lli(cohd->lli);
+		}
+		i++;
+	}
+
+	/* Also count bytes in the queued jobs */
+	list_for_each(pos, &cohc->queue) {
+		cohd = list_entry(pos, struct coh901318_desc, node);
+		left += coh901318_get_bytes_in_lli(cohd->lli);
+	}
 
 	spin_unlock_irqrestore(&cohc->lock, flags);
 
-	return ret;
+	return left;
 }
 EXPORT_SYMBOL(coh901318_get_bytes_left);
 
@@ -831,6 +906,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id)
 static int coh901318_alloc_chan_resources(struct dma_chan *chan)
 {
 	struct coh901318_chan	*cohc = to_coh901318_chan(chan);
+	unsigned long flags;
 
 	dev_vdbg(COHC_2_DEV(cohc), "[%s] DMA channel %d\n",
 		 __func__, cohc->id);
@@ -838,11 +914,15 @@ static int coh901318_alloc_chan_resources(struct dma_chan *chan)
 	if (chan->client_count > 1)
 		return -EBUSY;
 
+	spin_lock_irqsave(&cohc->lock, flags);
+
 	coh901318_config(cohc, NULL);
 
 	cohc->allocated = 1;
 	cohc->completed = chan->cookie = 1;
 
+	spin_unlock_irqrestore(&cohc->lock, flags);
+
 	return 1;
 }
 

From 2e57480b2a717916510b0c23b2851398a4cbd958 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Thu, 25 Mar 2010 14:15:11 +0100
Subject: [PATCH 0137/3638] HID: remove BKL from hidraw

Remove BKL from hidraw, which is possible through fixing the
locking of minors_lock mutex properly -- it is now used to
guard all accessess to hidraw_table[], preventing it to becoming
NULL unexpectedly by unregistering the device.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hidraw.c | 51 ++++++++++++++++++++++++++------------------
 1 file changed, 30 insertions(+), 21 deletions(-)

diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index d04476700b7..589dac5b5f5 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -105,38 +105,48 @@ out:
 static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
 {
 	unsigned int minor = iminor(file->f_path.dentry->d_inode);
-	/* FIXME: What stops hidraw_table going NULL */
-	struct hid_device *dev = hidraw_table[minor]->hid;
+	struct hid_device *dev;
 	__u8 *buf;
 	int ret = 0;
 
-	if (!dev->hid_output_raw_report)
-		return -ENODEV;
+	mutex_lock(&minors_lock);
+	dev = hidraw_table[minor]->hid;
+
+	if (!dev->hid_output_raw_report) {
+		ret = -ENODEV;
+		goto out;
+	}
 
 	if (count > HID_MAX_BUFFER_SIZE) {
 		printk(KERN_WARNING "hidraw: pid %d passed too large report\n",
 				task_pid_nr(current));
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out;
 	}
 
 	if (count < 2) {
 		printk(KERN_WARNING "hidraw: pid %d passed too short report\n",
 				task_pid_nr(current));
-		return -EINVAL;
-	}
-
-	buf = kmalloc(count * sizeof(__u8), GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	if (copy_from_user(buf, buffer, count)) {
-		ret = -EFAULT;
+		ret = -EINVAL;
 		goto out;
 	}
 
+	buf = kmalloc(count * sizeof(__u8), GFP_KERNEL);
+	if (!buf) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	if (copy_from_user(buf, buffer, count)) {
+		ret = -EFAULT;
+		goto out_free;
+	}
+
 	ret = dev->hid_output_raw_report(dev, buf, count, HID_OUTPUT_REPORT);
-out:
+out_free:
 	kfree(buf);
+out:
+	mutex_unlock(&minors_lock);
 	return ret;
 }
 
@@ -164,7 +174,6 @@ static int hidraw_open(struct inode *inode, struct file *file)
 		goto out;
 	}
 
-	lock_kernel();
 	mutex_lock(&minors_lock);
 	if (!hidraw_table[minor]) {
 		printk(KERN_EMERG "hidraw device with minor %d doesn't exist\n",
@@ -196,7 +205,6 @@ static int hidraw_open(struct inode *inode, struct file *file)
 
 out_unlock:
 	mutex_unlock(&minors_lock);
-	unlock_kernel();
 out:
 	return err;
 
@@ -237,11 +245,12 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
 	struct inode *inode = file->f_path.dentry->d_inode;
 	unsigned int minor = iminor(inode);
 	long ret = 0;
-	/* FIXME: What stops hidraw_table going NULL */
-	struct hidraw *dev = hidraw_table[minor];
+	struct hidraw *dev;
 	void __user *user_arg = (void __user*) arg;
 
-	lock_kernel();
+	mutex_lock(&minors_lock);
+	dev = hidraw_table[minor];
+
 	switch (cmd) {
 		case HIDIOCGRDESCSIZE:
 			if (put_user(dev->hid->rsize, (int __user *)arg))
@@ -314,7 +323,7 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
 
 		ret = -ENOTTY;
 	}
-	unlock_kernel();
+	mutex_unlock(&minors_lock);
 	return ret;
 }
 

From 0a504541b3ba593535d70f3124546e5e471a175e Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Thu, 25 Mar 2010 15:20:01 +0100
Subject: [PATCH 0138/3638] HID: remove excessive _EMERG messages from hidraw

We don't need to shout loudly when device gets disconnected
while hidraw node has been open, as this is properly handled
in disconnect() and protected by minors_lock already.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hidraw.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 589dac5b5f5..7919d3e843b 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -176,8 +176,6 @@ static int hidraw_open(struct inode *inode, struct file *file)
 
 	mutex_lock(&minors_lock);
 	if (!hidraw_table[minor]) {
-		printk(KERN_EMERG "hidraw device with minor %d doesn't exist\n",
-				minor);
 		kfree(list);
 		err = -ENODEV;
 		goto out_unlock;
@@ -216,11 +214,8 @@ static int hidraw_release(struct inode * inode, struct file * file)
 	struct hidraw *dev;
 	struct hidraw_list *list = file->private_data;
 
-	if (!hidraw_table[minor]) {
-		printk(KERN_EMERG "hidraw device with minor %d doesn't exist\n",
-				minor);
+	if (!hidraw_table[minor])
 		return -ENODEV;
-	}
 
 	list_del(&list->node);
 	dev = hidraw_table[minor];

From de5d4453c5b224eefd02b6a141ed411a76d458af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Richard=20R=C3=B6jfors?= <richard.rojfors@pelagicore.com>
Date: Thu, 25 Mar 2010 19:44:21 +0100
Subject: [PATCH 0139/3638] dma: Add timb-dma
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Adds the support for the DMA engine withing the timberdale FPGA.

The DMA channels are strict device to host, or host to device
and can not be used for generic memcpy.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/Kconfig      |   7 +
 drivers/dma/Makefile     |   1 +
 drivers/dma/timb_dma.c   | 853 +++++++++++++++++++++++++++++++++++++++
 include/linux/timb_dma.h |  55 +++
 4 files changed, 916 insertions(+)
 create mode 100644 drivers/dma/timb_dma.c
 create mode 100644 include/linux/timb_dma.h

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index c27f80e5d53..a2fcb2ead89 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -149,6 +149,13 @@ config AMCC_PPC440SPE_ADMA
 	help
 	  Enable support for the AMCC PPC440SPe RAID engines.
 
+config TIMB_DMA
+	tristate "Timberdale FPGA DMA support"
+	depends on MFD_TIMBERDALE || HAS_IOMEM
+	select DMA_ENGINE
+	help
+	  Enable support for the Timberdale FPGA DMA engine.
+
 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 	bool
 
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 22bba3d5e2b..40c627d8f73 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -20,3 +20,4 @@ obj-$(CONFIG_TXX9_DMAC) += txx9dmac.o
 obj-$(CONFIG_SH_DMAE) += shdma.o
 obj-$(CONFIG_COH901318) += coh901318.o coh901318_lli.o
 obj-$(CONFIG_AMCC_PPC440SPE_ADMA) += ppc4xx/
+obj-$(CONFIG_TIMB_DMA) += timb_dma.o
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
new file mode 100644
index 00000000000..4dd710246c7
--- /dev/null
+++ b/drivers/dma/timb_dma.c
@@ -0,0 +1,853 @@
+/*
+ * timb_dma.c timberdale FPGA DMA driver
+ * Copyright (c) 2010 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Supports:
+ * Timberdale FPGA DMA engine
+ */
+
+#include <linux/dmaengine.h>
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <linux/timb_dma.h>
+
+#define DRIVER_NAME "timb-dma"
+
+/* Global DMA registers */
+#define TIMBDMA_ACR		0x34
+#define TIMBDMA_32BIT_ADDR	0x01
+
+#define TIMBDMA_ISR		0x080000
+#define TIMBDMA_IPR		0x080004
+#define TIMBDMA_IER		0x080008
+
+/* Channel specific registers */
+/* RX instances base addresses are 0x00, 0x40, 0x80 ...
+ * TX instances base addresses are 0x18, 0x58, 0x98 ...
+ */
+#define TIMBDMA_INSTANCE_OFFSET		0x40
+#define TIMBDMA_INSTANCE_TX_OFFSET	0x18
+
+/* RX registers, relative the instance base */
+#define TIMBDMA_OFFS_RX_DHAR	0x00
+#define TIMBDMA_OFFS_RX_DLAR	0x04
+#define TIMBDMA_OFFS_RX_LR	0x0C
+#define TIMBDMA_OFFS_RX_BLR	0x10
+#define TIMBDMA_OFFS_RX_ER	0x14
+#define TIMBDMA_RX_EN		0x01
+/* bytes per Row, video specific register
+ * which is placed after the TX registers...
+ */
+#define TIMBDMA_OFFS_RX_BPRR	0x30
+
+/* TX registers, relative the instance base */
+#define TIMBDMA_OFFS_TX_DHAR	0x00
+#define TIMBDMA_OFFS_TX_DLAR	0x04
+#define TIMBDMA_OFFS_TX_BLR	0x0C
+#define TIMBDMA_OFFS_TX_LR	0x14
+
+
+#define TIMB_DMA_DESC_SIZE	8
+
+struct timb_dma_desc {
+	struct list_head		desc_node;
+	struct dma_async_tx_descriptor	txd;
+	u8				*desc_list;
+	unsigned int			desc_list_len;
+	bool				interrupt;
+};
+
+struct timb_dma_chan {
+	struct dma_chan		chan;
+	void __iomem		*membase;
+	spinlock_t		lock; /* Used for mutual exclusion */
+	dma_cookie_t		last_completed_cookie;
+	bool			ongoing;
+	struct list_head	active_list;
+	struct list_head	queue;
+	struct list_head	free_list;
+	unsigned int		bytes_per_line;
+	enum dma_data_direction	direction;
+	unsigned int		descs; /* Descriptors to allocate */
+	unsigned int		desc_elems; /* number of elems per descriptor */
+};
+
+struct timb_dma {
+	struct dma_device	dma;
+	void __iomem		*membase;
+	struct tasklet_struct	tasklet;
+	struct timb_dma_chan	channels[0];
+};
+
+static struct device *chan2dev(struct dma_chan *chan)
+{
+	return &chan->dev->device;
+}
+static struct device *chan2dmadev(struct dma_chan *chan)
+{
+	return chan2dev(chan)->parent->parent;
+}
+
+static struct timb_dma *tdchantotd(struct timb_dma_chan *td_chan)
+{
+	int id = td_chan->chan.chan_id;
+	return (struct timb_dma *)((u8 *)td_chan -
+		id * sizeof(struct timb_dma_chan) - sizeof(struct timb_dma));
+}
+
+/* Must be called with the spinlock held */
+static void __td_enable_chan_irq(struct timb_dma_chan *td_chan)
+{
+	int id = td_chan->chan.chan_id;
+	struct timb_dma *td = tdchantotd(td_chan);
+	u32 ier;
+
+	/* enable interrupt for this channel */
+	ier = ioread32(td->membase + TIMBDMA_IER);
+	ier |= 1 << id;
+	dev_dbg(chan2dev(&td_chan->chan), "Enabling irq: %d, IER: 0x%x\n", id,
+		ier);
+	iowrite32(ier, td->membase + TIMBDMA_IER);
+}
+
+/* Should be called with the spinlock held */
+static bool __td_dma_done_ack(struct timb_dma_chan *td_chan)
+{
+	int id = td_chan->chan.chan_id;
+	struct timb_dma *td = (struct timb_dma *)((u8 *)td_chan -
+		id * sizeof(struct timb_dma_chan) - sizeof(struct timb_dma));
+	u32 isr;
+	bool done = false;
+
+	dev_dbg(chan2dev(&td_chan->chan), "Checking irq: %d, td: %p\n", id, td);
+
+	isr = ioread32(td->membase + TIMBDMA_ISR) & (1 << id);
+	if (isr) {
+		iowrite32(isr, td->membase + TIMBDMA_ISR);
+		done = true;
+	}
+
+	return done;
+}
+
+static void __td_unmap_desc(struct timb_dma_chan *td_chan, const u8 *dma_desc,
+	bool single)
+{
+	dma_addr_t addr;
+	int len;
+
+	addr = (dma_desc[7] << 24) | (dma_desc[6] << 16) | (dma_desc[5] << 8) |
+		dma_desc[4];
+
+	len = (dma_desc[3] << 8) | dma_desc[2];
+
+	if (single)
+		dma_unmap_single(chan2dev(&td_chan->chan), addr, len,
+			td_chan->direction);
+	else
+		dma_unmap_page(chan2dev(&td_chan->chan), addr, len,
+			td_chan->direction);
+}
+
+static void __td_unmap_descs(struct timb_dma_desc *td_desc, bool single)
+{
+	struct timb_dma_chan *td_chan = container_of(td_desc->txd.chan,
+		struct timb_dma_chan, chan);
+	u8 *descs;
+
+	for (descs = td_desc->desc_list; ; descs += TIMB_DMA_DESC_SIZE) {
+		__td_unmap_desc(td_chan, descs, single);
+		if (descs[0] & 0x02)
+			break;
+	}
+}
+
+static int td_fill_desc(struct timb_dma_chan *td_chan, u8 *dma_desc,
+	struct scatterlist *sg, bool last)
+{
+	if (sg_dma_len(sg) > USHORT_MAX) {
+		dev_err(chan2dev(&td_chan->chan), "Too big sg element\n");
+		return -EINVAL;
+	}
+
+	/* length must be word aligned */
+	if (sg_dma_len(sg) % sizeof(u32)) {
+		dev_err(chan2dev(&td_chan->chan), "Incorrect length: %d\n",
+			sg_dma_len(sg));
+		return -EINVAL;
+	}
+
+	dev_dbg(chan2dev(&td_chan->chan), "desc: %p, addr: %p\n",
+		dma_desc, (void *)(int)sg_dma_address(sg));
+
+	dma_desc[7] = (sg_dma_address(sg) >> 24) & 0xff;
+	dma_desc[6] = (sg_dma_address(sg) >> 16) & 0xff;
+	dma_desc[5] = (sg_dma_address(sg) >> 8) & 0xff;
+	dma_desc[4] = (sg_dma_address(sg) >> 0) & 0xff;
+
+	dma_desc[3] = (sg_dma_len(sg) >> 8) & 0xff;
+	dma_desc[2] = (sg_dma_len(sg) >> 0) & 0xff;
+
+	dma_desc[1] = 0x00;
+	dma_desc[0] = 0x21 | (last ? 0x02 : 0); /* tran, valid */
+
+	return 0;
+}
+
+/* Must be called with the spinlock held */
+static void __td_start_dma(struct timb_dma_chan *td_chan)
+{
+	struct timb_dma_desc *td_desc;
+
+	if (td_chan->ongoing) {
+		dev_err(chan2dev(&td_chan->chan),
+			"Transfer already ongoing\n");
+		return;
+	}
+
+	td_desc = list_entry(td_chan->active_list.next, struct timb_dma_desc,
+		desc_node);
+
+	dev_dbg(chan2dev(&td_chan->chan),
+		"td_chan: %p, chan: %d, membase: %p\n",
+		td_chan, td_chan->chan.chan_id, td_chan->membase);
+
+	if (td_chan->direction == DMA_FROM_DEVICE) {
+
+		/* descriptor address */
+		iowrite32(0, td_chan->membase + TIMBDMA_OFFS_RX_DHAR);
+		iowrite32(td_desc->txd.phys, td_chan->membase +
+			TIMBDMA_OFFS_RX_DLAR);
+		/* Bytes per line */
+		iowrite32(td_chan->bytes_per_line, td_chan->membase +
+			TIMBDMA_OFFS_RX_BPRR);
+		/* enable RX */
+		iowrite32(TIMBDMA_RX_EN, td_chan->membase + TIMBDMA_OFFS_RX_ER);
+	} else {
+		/* address high */
+		iowrite32(0, td_chan->membase + TIMBDMA_OFFS_TX_DHAR);
+		iowrite32(td_desc->txd.phys, td_chan->membase +
+			TIMBDMA_OFFS_TX_DLAR);
+	}
+
+	td_chan->ongoing = true;
+
+	if (td_desc->interrupt)
+		__td_enable_chan_irq(td_chan);
+}
+
+static void __td_finish(struct timb_dma_chan *td_chan)
+{
+	dma_async_tx_callback		callback;
+	void				*param;
+	struct dma_async_tx_descriptor	*txd;
+	struct timb_dma_desc		*td_desc;
+
+	/* can happen if the descriptor is canceled */
+	if (list_empty(&td_chan->active_list))
+		return;
+
+	td_desc = list_entry(td_chan->active_list.next, struct timb_dma_desc,
+		desc_node);
+	txd = &td_desc->txd;
+
+	dev_dbg(chan2dev(&td_chan->chan), "descriptor %u complete\n",
+		txd->cookie);
+
+	/* make sure to stop the transfer */
+	if (td_chan->direction == DMA_FROM_DEVICE)
+		iowrite32(0, td_chan->membase + TIMBDMA_OFFS_RX_ER);
+/* Currently no support for stopping DMA transfers
+	else
+		iowrite32(0, td_chan->membase + TIMBDMA_OFFS_TX_DLAR);
+*/
+	td_chan->last_completed_cookie = txd->cookie;
+	td_chan->ongoing = false;
+
+	callback = txd->callback;
+	param = txd->callback_param;
+
+	list_move(&td_desc->desc_node, &td_chan->free_list);
+
+	if (!(txd->flags & DMA_COMPL_SKIP_SRC_UNMAP))
+		__td_unmap_descs(td_desc,
+			txd->flags & DMA_COMPL_SRC_UNMAP_SINGLE);
+
+	/*
+	 * The API requires that no submissions are done from a
+	 * callback, so we don't need to drop the lock here
+	 */
+	if (callback)
+		callback(param);
+}
+
+static u32 __td_ier_mask(struct timb_dma *td)
+{
+	int i;
+	u32 ret = 0;
+
+	for (i = 0; i < td->dma.chancnt; i++) {
+		struct timb_dma_chan *td_chan = td->channels + i;
+		if (td_chan->ongoing) {
+			struct timb_dma_desc *td_desc =
+				list_entry(td_chan->active_list.next,
+				struct timb_dma_desc, desc_node);
+			if (td_desc->interrupt)
+				ret |= 1 << i;
+		}
+	}
+
+	return ret;
+}
+
+static void __td_start_next(struct timb_dma_chan *td_chan)
+{
+	struct timb_dma_desc *td_desc;
+
+	BUG_ON(list_empty(&td_chan->queue));
+	BUG_ON(td_chan->ongoing);
+
+	td_desc = list_entry(td_chan->queue.next, struct timb_dma_desc,
+		desc_node);
+
+	dev_dbg(chan2dev(&td_chan->chan), "%s: started %u\n",
+		__func__, td_desc->txd.cookie);
+
+	list_move(&td_desc->desc_node, &td_chan->active_list);
+	__td_start_dma(td_chan);
+}
+
+static dma_cookie_t td_tx_submit(struct dma_async_tx_descriptor *txd)
+{
+	struct timb_dma_desc *td_desc = container_of(txd, struct timb_dma_desc,
+		txd);
+	struct timb_dma_chan *td_chan = container_of(txd->chan,
+		struct timb_dma_chan, chan);
+	dma_cookie_t cookie;
+
+	spin_lock_bh(&td_chan->lock);
+
+	cookie = txd->chan->cookie;
+	if (++cookie < 0)
+		cookie = 1;
+	txd->chan->cookie = cookie;
+	txd->cookie = cookie;
+
+	if (list_empty(&td_chan->active_list)) {
+		dev_dbg(chan2dev(txd->chan), "%s: started %u\n", __func__,
+			txd->cookie);
+		list_add_tail(&td_desc->desc_node, &td_chan->active_list);
+		__td_start_dma(td_chan);
+	} else {
+		dev_dbg(chan2dev(txd->chan), "tx_submit: queued %u\n",
+			txd->cookie);
+
+		list_add_tail(&td_desc->desc_node, &td_chan->queue);
+	}
+
+	spin_unlock_bh(&td_chan->lock);
+
+	return cookie;
+}
+
+static struct timb_dma_desc *td_alloc_init_desc(struct timb_dma_chan *td_chan)
+{
+	struct dma_chan *chan = &td_chan->chan;
+	struct timb_dma_desc *td_desc;
+	int err;
+
+	td_desc = kzalloc(sizeof(struct timb_dma_desc), GFP_KERNEL);
+	if (!td_desc) {
+		dev_err(chan2dev(chan), "Failed to alloc descriptor\n");
+		goto err;
+	}
+
+	td_desc->desc_list_len = td_chan->desc_elems * TIMB_DMA_DESC_SIZE;
+
+	td_desc->desc_list = kzalloc(td_desc->desc_list_len, GFP_KERNEL);
+	if (!td_desc->desc_list) {
+		dev_err(chan2dev(chan), "Failed to alloc descriptor\n");
+		goto err;
+	}
+
+	dma_async_tx_descriptor_init(&td_desc->txd, chan);
+	td_desc->txd.tx_submit = td_tx_submit;
+	td_desc->txd.flags = DMA_CTRL_ACK;
+
+	td_desc->txd.phys = dma_map_single(chan2dmadev(chan),
+		td_desc->desc_list, td_desc->desc_list_len, DMA_TO_DEVICE);
+
+	err = dma_mapping_error(chan2dmadev(chan), td_desc->txd.phys);
+	if (err) {
+		dev_err(chan2dev(chan), "DMA mapping error: %d\n", err);
+		goto err;
+	}
+
+	return td_desc;
+err:
+	kfree(td_desc->desc_list);
+	kfree(td_desc);
+
+	return NULL;
+
+}
+
+static void td_free_desc(struct timb_dma_desc *td_desc)
+{
+	dev_dbg(chan2dev(td_desc->txd.chan), "Freeing desc: %p\n", td_desc);
+	dma_unmap_single(chan2dmadev(td_desc->txd.chan), td_desc->txd.phys,
+		td_desc->desc_list_len, DMA_TO_DEVICE);
+
+	kfree(td_desc->desc_list);
+	kfree(td_desc);
+}
+
+static void td_desc_put(struct timb_dma_chan *td_chan,
+	struct timb_dma_desc *td_desc)
+{
+	dev_dbg(chan2dev(&td_chan->chan), "Putting desc: %p\n", td_desc);
+
+	spin_lock_bh(&td_chan->lock);
+	list_add(&td_desc->desc_node, &td_chan->free_list);
+	spin_unlock_bh(&td_chan->lock);
+}
+
+static struct timb_dma_desc *td_desc_get(struct timb_dma_chan *td_chan)
+{
+	struct timb_dma_desc *td_desc, *_td_desc;
+	struct timb_dma_desc *ret = NULL;
+
+	spin_lock_bh(&td_chan->lock);
+	list_for_each_entry_safe(td_desc, _td_desc, &td_chan->free_list,
+		desc_node) {
+		if (async_tx_test_ack(&td_desc->txd)) {
+			list_del(&td_desc->desc_node);
+			ret = td_desc;
+			break;
+		}
+		dev_dbg(chan2dev(&td_chan->chan), "desc %p not ACKed\n",
+			td_desc);
+	}
+	spin_unlock_bh(&td_chan->lock);
+
+	return ret;
+}
+
+static int td_alloc_chan_resources(struct dma_chan *chan)
+{
+	struct timb_dma_chan *td_chan =
+		container_of(chan, struct timb_dma_chan, chan);
+	int i;
+
+	dev_dbg(chan2dev(chan), "%s: entry\n", __func__);
+
+	BUG_ON(!list_empty(&td_chan->free_list));
+	for (i = 0; i < td_chan->descs; i++) {
+		struct timb_dma_desc *td_desc = td_alloc_init_desc(td_chan);
+		if (!td_desc) {
+			if (i)
+				break;
+			else {
+				dev_err(chan2dev(chan),
+					"Couldnt allocate any descriptors\n");
+				return -ENOMEM;
+			}
+		}
+
+		td_desc_put(td_chan, td_desc);
+	}
+
+	spin_lock_bh(&td_chan->lock);
+	td_chan->last_completed_cookie = 1;
+	chan->cookie = 1;
+	spin_unlock_bh(&td_chan->lock);
+
+	return 0;
+}
+
+static void td_free_chan_resources(struct dma_chan *chan)
+{
+	struct timb_dma_chan *td_chan =
+		container_of(chan, struct timb_dma_chan, chan);
+	struct timb_dma_desc *td_desc, *_td_desc;
+	LIST_HEAD(list);
+
+	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);
+
+	/* check that all descriptors are free */
+	BUG_ON(!list_empty(&td_chan->active_list));
+	BUG_ON(!list_empty(&td_chan->queue));
+
+	spin_lock_bh(&td_chan->lock);
+	list_splice_init(&td_chan->free_list, &list);
+	spin_unlock_bh(&td_chan->lock);
+
+	list_for_each_entry_safe(td_desc, _td_desc, &list, desc_node) {
+		dev_dbg(chan2dev(chan), "%s: Freeing desc: %p\n", __func__,
+			td_desc);
+		td_free_desc(td_desc);
+	}
+}
+
+static enum dma_status td_is_tx_complete(struct dma_chan *chan,
+	dma_cookie_t cookie, dma_cookie_t *done, dma_cookie_t *used)
+{
+	struct timb_dma_chan *td_chan =
+		container_of(chan, struct timb_dma_chan, chan);
+	dma_cookie_t		last_used;
+	dma_cookie_t		last_complete;
+	int			ret;
+
+	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);
+
+	last_complete = td_chan->last_completed_cookie;
+	last_used = chan->cookie;
+
+	ret = dma_async_is_complete(cookie, last_complete, last_used);
+
+	if (done)
+		*done = last_complete;
+	if (used)
+		*used = last_used;
+
+	dev_dbg(chan2dev(chan),
+		"%s: exit, ret: %d, last_complete: %d, last_used: %d\n",
+		__func__, ret, last_complete, last_used);
+
+	return ret;
+}
+
+static void td_issue_pending(struct dma_chan *chan)
+{
+	struct timb_dma_chan *td_chan =
+		container_of(chan, struct timb_dma_chan, chan);
+
+	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);
+	spin_lock_bh(&td_chan->lock);
+
+	if (!list_empty(&td_chan->active_list))
+		/* transfer ongoing */
+		if (__td_dma_done_ack(td_chan))
+			__td_finish(td_chan);
+
+	if (list_empty(&td_chan->active_list) && !list_empty(&td_chan->queue))
+		__td_start_next(td_chan);
+
+	spin_unlock_bh(&td_chan->lock);
+}
+
+static struct dma_async_tx_descriptor *td_prep_slave_sg(struct dma_chan *chan,
+	struct scatterlist *sgl, unsigned int sg_len,
+	enum dma_data_direction direction, unsigned long flags)
+{
+	struct timb_dma_chan *td_chan =
+		container_of(chan, struct timb_dma_chan, chan);
+	struct timb_dma_desc *td_desc;
+	struct scatterlist *sg;
+	unsigned int i;
+	unsigned int desc_usage = 0;
+
+	if (!sgl || !sg_len) {
+		dev_err(chan2dev(chan), "%s: No SG list\n", __func__);
+		return NULL;
+	}
+
+	/* even channels are for RX, odd for TX */
+	if (td_chan->direction != direction) {
+		dev_err(chan2dev(chan),
+			"Requesting channel in wrong direction\n");
+		return NULL;
+	}
+
+	td_desc = td_desc_get(td_chan);
+	if (!td_desc) {
+		dev_err(chan2dev(chan), "Not enough descriptors available\n");
+		return NULL;
+	}
+
+	td_desc->interrupt = (flags & DMA_PREP_INTERRUPT) != 0;
+
+	for_each_sg(sgl, sg, sg_len, i) {
+		int err;
+		if (desc_usage > td_desc->desc_list_len) {
+			dev_err(chan2dev(chan), "No descriptor space\n");
+			return NULL;
+		}
+
+		err = td_fill_desc(td_chan, td_desc->desc_list + desc_usage, sg,
+			i == (sg_len - 1));
+		if (err) {
+			dev_err(chan2dev(chan), "Failed to update desc: %d\n",
+				err);
+			td_desc_put(td_chan, td_desc);
+			return NULL;
+		}
+		desc_usage += TIMB_DMA_DESC_SIZE;
+	}
+
+	dma_sync_single_for_device(chan2dmadev(chan), td_desc->txd.phys,
+		td_desc->desc_list_len, DMA_TO_DEVICE);
+
+	return &td_desc->txd;
+}
+
+static void td_terminate_all(struct dma_chan *chan)
+{
+	struct timb_dma_chan *td_chan =
+		container_of(chan, struct timb_dma_chan, chan);
+	struct timb_dma_desc *td_desc, *_td_desc;
+
+	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);
+
+	/* first the easy part, put the queue into the free list */
+	spin_lock_bh(&td_chan->lock);
+	list_for_each_entry_safe(td_desc, _td_desc, &td_chan->queue,
+		desc_node)
+		list_move(&td_desc->desc_node, &td_chan->free_list);
+
+	/* now tear down the runnning */
+	__td_finish(td_chan);
+	spin_unlock_bh(&td_chan->lock);
+}
+
+static void td_tasklet(unsigned long data)
+{
+	struct timb_dma *td = (struct timb_dma *)data;
+	u32 isr;
+	u32 ipr;
+	u32 ier;
+	int i;
+
+	isr = ioread32(td->membase + TIMBDMA_ISR);
+	ipr = isr & __td_ier_mask(td);
+
+	/* ack the interrupts */
+	iowrite32(ipr, td->membase + TIMBDMA_ISR);
+
+	for (i = 0; i < td->dma.chancnt; i++)
+		if (ipr & (1 << i)) {
+			struct timb_dma_chan *td_chan = td->channels + i;
+			spin_lock(&td_chan->lock);
+			__td_finish(td_chan);
+			if (!list_empty(&td_chan->queue))
+				__td_start_next(td_chan);
+			spin_unlock(&td_chan->lock);
+		}
+
+	ier = __td_ier_mask(td);
+	iowrite32(ier, td->membase + TIMBDMA_IER);
+}
+
+
+static irqreturn_t td_irq(int irq, void *devid)
+{
+	struct timb_dma *td = devid;
+	u32 ipr = ioread32(td->membase + TIMBDMA_IPR);
+
+	if (ipr) {
+		/* disable interrupts, will be re-enabled in tasklet */
+		iowrite32(0, td->membase + TIMBDMA_IER);
+
+		tasklet_schedule(&td->tasklet);
+
+		return IRQ_HANDLED;
+	} else
+		return IRQ_NONE;
+}
+
+
+static int __devinit td_probe(struct platform_device *pdev)
+{
+	struct timb_dma_platform_data *pdata = pdev->dev.platform_data;
+	struct timb_dma *td;
+	struct resource *iomem;
+	int irq;
+	int err;
+	int i;
+
+	if (!pdata) {
+		dev_err(&pdev->dev, "No platform data\n");
+		return -EINVAL;
+	}
+
+	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!iomem)
+		return -EINVAL;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
+	if (!request_mem_region(iomem->start, resource_size(iomem),
+		DRIVER_NAME))
+		return -EBUSY;
+
+	td  = kzalloc(sizeof(struct timb_dma) +
+		sizeof(struct timb_dma_chan) * pdata->nr_channels, GFP_KERNEL);
+	if (!td) {
+		err = -ENOMEM;
+		goto err_release_region;
+	}
+
+	dev_dbg(&pdev->dev, "Allocated TD: %p\n", td);
+
+	td->membase = ioremap(iomem->start, resource_size(iomem));
+	if (!td->membase) {
+		dev_err(&pdev->dev, "Failed to remap I/O memory\n");
+		err = -ENOMEM;
+		goto err_free_mem;
+	}
+
+	/* 32bit addressing */
+	iowrite32(TIMBDMA_32BIT_ADDR, td->membase + TIMBDMA_ACR);
+
+	/* disable and clear any interrupts */
+	iowrite32(0x0, td->membase + TIMBDMA_IER);
+	iowrite32(0xFFFFFFFF, td->membase + TIMBDMA_ISR);
+
+	tasklet_init(&td->tasklet, td_tasklet, (unsigned long)td);
+
+	err = request_irq(irq, td_irq, IRQF_SHARED, DRIVER_NAME, td);
+	if (err) {
+		dev_err(&pdev->dev, "Failed to request IRQ\n");
+		goto err_tasklet_kill;
+	}
+
+	td->dma.device_alloc_chan_resources	= td_alloc_chan_resources;
+	td->dma.device_free_chan_resources	= td_free_chan_resources;
+	td->dma.device_is_tx_complete		= td_is_tx_complete;
+	td->dma.device_issue_pending		= td_issue_pending;
+
+	dma_cap_set(DMA_SLAVE, td->dma.cap_mask);
+	dma_cap_set(DMA_PRIVATE, td->dma.cap_mask);
+	td->dma.device_prep_slave_sg = td_prep_slave_sg;
+	td->dma.device_terminate_all = td_terminate_all;
+
+	td->dma.dev = &pdev->dev;
+
+	INIT_LIST_HEAD(&td->dma.channels);
+
+	for (i = 0; i < pdata->nr_channels; i++, td->dma.chancnt++) {
+		struct timb_dma_chan *td_chan = &td->channels[i];
+		struct timb_dma_platform_data_channel *pchan =
+			pdata->channels + i;
+
+		/* even channels are RX, odd are TX */
+		if (((i % 2) && pchan->rx) || (!(i % 2) && !pchan->rx)) {
+			dev_err(&pdev->dev, "Wrong channel configuration\n");
+			err = -EINVAL;
+			goto err_tasklet_kill;
+		}
+
+		td_chan->chan.device = &td->dma;
+		td_chan->chan.cookie = 1;
+		td_chan->chan.chan_id = i;
+		spin_lock_init(&td_chan->lock);
+		INIT_LIST_HEAD(&td_chan->active_list);
+		INIT_LIST_HEAD(&td_chan->queue);
+		INIT_LIST_HEAD(&td_chan->free_list);
+
+		td_chan->descs = pchan->descriptors;
+		td_chan->desc_elems = pchan->descriptor_elements;
+		td_chan->bytes_per_line = pchan->bytes_per_line;
+		td_chan->direction = pchan->rx ? DMA_FROM_DEVICE :
+			DMA_TO_DEVICE;
+
+		td_chan->membase = td->membase +
+			(i / 2) * TIMBDMA_INSTANCE_OFFSET +
+			(pchan->rx ? 0 : TIMBDMA_INSTANCE_TX_OFFSET);
+
+		dev_dbg(&pdev->dev, "Chan: %d, membase: %p\n",
+			i, td_chan->membase);
+
+		list_add_tail(&td_chan->chan.device_node, &td->dma.channels);
+	}
+
+	err = dma_async_device_register(&td->dma);
+	if (err) {
+		dev_err(&pdev->dev, "Failed to register async device\n");
+		goto err_free_irq;
+	}
+
+	platform_set_drvdata(pdev, td);
+
+	dev_dbg(&pdev->dev, "Probe result: %d\n", err);
+	return err;
+
+err_free_irq:
+	free_irq(irq, td);
+err_tasklet_kill:
+	tasklet_kill(&td->tasklet);
+	iounmap(td->membase);
+err_free_mem:
+	kfree(td);
+err_release_region:
+	release_mem_region(iomem->start, resource_size(iomem));
+
+	return err;
+
+}
+
+static int __devexit td_remove(struct platform_device *pdev)
+{
+	struct timb_dma *td = platform_get_drvdata(pdev);
+	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	int irq = platform_get_irq(pdev, 0);
+
+	dma_async_device_unregister(&td->dma);
+	free_irq(irq, td);
+	tasklet_kill(&td->tasklet);
+	iounmap(td->membase);
+	kfree(td);
+	release_mem_region(iomem->start, resource_size(iomem));
+
+	platform_set_drvdata(pdev, NULL);
+
+	dev_dbg(&pdev->dev, "Removed...\n");
+	return 0;
+}
+
+static struct platform_driver td_driver = {
+	.driver = {
+		.name	= DRIVER_NAME,
+		.owner  = THIS_MODULE,
+	},
+	.probe	= td_probe,
+	.remove	= __exit_p(td_remove),
+};
+
+static int __init td_init(void)
+{
+	return platform_driver_register(&td_driver);
+}
+module_init(td_init);
+
+static void __exit td_exit(void)
+{
+	platform_driver_unregister(&td_driver);
+}
+module_exit(td_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Timberdale DMA controller driver");
+MODULE_AUTHOR("Pelagicore AB <info@pelagicore.com>");
+MODULE_ALIAS("platform:"DRIVER_NAME);
diff --git a/include/linux/timb_dma.h b/include/linux/timb_dma.h
new file mode 100644
index 00000000000..bb043e970b9
--- /dev/null
+++ b/include/linux/timb_dma.h
@@ -0,0 +1,55 @@
+/*
+ * timb_dma.h timberdale FPGA DMA driver defines
+ * Copyright (c) 2010 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Supports:
+ * Timberdale FPGA DMA engine
+ */
+
+#ifndef _LINUX_TIMB_DMA_H
+#define _LINUX_TIMB_DMA_H
+
+/**
+ * struct timb_dma_platform_data_channel - Description of each individual
+ *	DMA channel for the timberdale DMA driver
+ * @rx:			true if this channel handles data in the direction to
+ *	the CPU.
+ * @bytes_per_line:	Number of bytes per line, this is specific for channels
+ *	handling video data. For other channels this shall be left to 0.
+ * @descriptors:	Number of descriptors to allocate for this channel.
+ * @descriptor_elements: Number of elements in each descriptor.
+ *
+ */
+struct timb_dma_platform_data_channel {
+	bool rx;
+	unsigned int bytes_per_line;
+	unsigned int descriptors;
+	unsigned int descriptor_elements;
+};
+
+/**
+ * struct timb_dma_platform_data - Platform data of the timberdale DMA driver
+ * @nr_channels:	Number of defined channels in the channels array.
+ * @channels:		Definition of the each channel.
+ *
+ */
+struct timb_dma_platform_data {
+	unsigned nr_channels;
+	struct timb_dma_platform_data_channel channels[32];
+};
+
+#endif

From ca7081d96e39ea276892f0577f9cf37568547e88 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Fri, 19 Mar 2010 17:22:53 +0200
Subject: [PATCH 0140/3638] mtd: sm_ftl: initialize sysfs attributes

This is new requirement in 2.6.34

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/sm_ftl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index 9fb56c76ae8..2e7307d60af 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -72,6 +72,8 @@ struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl)
 	vendor_attribute =
 		kzalloc(sizeof(struct sm_sysfs_attribute), GFP_KERNEL);
 
+	sysfs_attr_init(&vendor_attribute->dev_attr.attr);
+
 	vendor_attribute->data = vendor;
 	vendor_attribute->len = vendor_len;
 	vendor_attribute->dev_attr.attr.name = "vendor";

From e5f710cfc6947e64672b7205f7992515868c7782 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Fri, 19 Mar 2010 17:22:54 +0200
Subject: [PATCH 0141/3638] mtd: nand: split out ECC module

This way drivers could use ecc routines without depedency on whole nand

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/Kconfig       |  3 ++-
 drivers/mtd/nand/Kconfig  | 19 ++++++++++++-------
 drivers/mtd/nand/Makefile |  3 ++-
 3 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index dbee14d3722..e652080bce5 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -307,8 +307,9 @@ config SSFDC
 
 config SM_FTL
 	tristate "SmartMedia/xD new translation layer"
-	depends on EXPERIMENTAL && BLOCK && MTD_NAND
+	depends on EXPERIMENTAL && BLOCK
 	select MTD_BLKDEVS
+	select MTD_NAND_ECC
 	help
 	  This enables new and very EXPERMENTAL support for SmartMedia/xD
 	  FTL (Flash translation layer).
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 164bd56b9d1..b712aedd89f 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -2,11 +2,23 @@ menuconfig MTD_NAND
 	tristate "NAND Device Support"
 	depends on MTD
 	select MTD_NAND_IDS
+	select MTD_NAND_ECC
 	help
 	  This enables support for accessing all type of NAND flash
 	  devices. For further information see
 	  <http://www.linux-mtd.infradead.org/doc/nand.html>.
 
+config MTD_NAND_ECC
+	tristate
+
+config MTD_NAND_ECC_SMC
+	bool "NAND ECC Smart Media byte order"
+	depends on MTD_NAND_ECC
+	default n
+	help
+	  Software ECC according to the Smart Media Specification.
+	  The original Linux implementation had byte 0 and 1 swapped.
+
 if MTD_NAND
 
 config MTD_NAND_VERIFY_WRITE
@@ -18,13 +30,6 @@ config MTD_NAND_VERIFY_WRITE
 	  device thinks the write was successful, a bit could have been
 	  flipped accidentally due to device wear or something else.
 
-config MTD_NAND_ECC_SMC
-	bool "NAND ECC Smart Media byte order"
-	default n
-	help
-	  Software ECC according to the Smart Media Specification.
-	  The original Linux implementation had byte 0 and 1 swapped.
-
 config MTD_SM_COMMON
 	tristate
 	default n
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 5fbd1f83afb..04bccf9d7b5 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -2,7 +2,8 @@
 # linux/drivers/nand/Makefile
 #
 
-obj-$(CONFIG_MTD_NAND)			+= nand.o nand_ecc.o
+obj-$(CONFIG_MTD_NAND)			+= nand.o
+obj-$(CONFIG_MTD_NAND_ECC)		+= nand_ecc.o
 obj-$(CONFIG_MTD_NAND_IDS)		+= nand_ids.o
 obj-$(CONFIG_MTD_SM_COMMON) 		+= sm_common.o
 

From 01de69c2b0e471844193532a85c173f51d9ea6b2 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Fri, 19 Mar 2010 14:05:51 +0200
Subject: [PATCH 0142/3638] mtd: sm_ftl: remove CONFIG_SM_FTL_MUSEUM and make
 it always on

The sole purpose of this setting was to avoid a dependency on MTD_NAND.
Now that we can depend on MTD_NAND_ECC without pulling in all the rest
of the NAND code, we might as well do so unconditionally.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/Kconfig  | 9 ---------
 drivers/mtd/sm_ftl.c | 8 +-------
 2 files changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index e652080bce5..f8210bf2d24 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -317,15 +317,6 @@ config SM_FTL
 	  eat your card, so please don't use it together with valuable data.
 	  Use readonly driver (CONFIG_SSFDC) instead.
 
-config SM_FTL_MUSEUM
-	boolean "Additional Support for 1MiB and 2MiB SmartMedia cards"
-	depends on SM_FTL
-	select MTD_NAND_ECC_SMC
-	help
-	  Very old SmartMedia cards need ECC to be calculated in the FTL.
-	  Such cards are very rare, thus enabling this option is mostly useless.
-	  Also this support is completely UNTESTED.
-
 config MTD_OOPS
 	tristate "Log panic/oops to an MTD buffer"
 	depends on MTD
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index 2e7307d60af..a9b4e344c55 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -15,12 +15,10 @@
 #include <linux/freezer.h>
 #include <linux/sysfs.h>
 #include <linux/bitops.h>
+#include <linux/mtd/nand_ecc.h>
 #include "nand/sm_common.h"
 #include "sm_ftl.h"
 
-#ifdef CONFIG_SM_FTL_MUSEUM
-#include <linux/mtd/nand_ecc.h>
-#endif
 
 
 struct workqueue_struct *cache_flush_workqueue;
@@ -206,7 +204,6 @@ static void sm_break_offset(struct sm_ftl *ftl, loff_t offset,
 
 static int sm_correct_sector(uint8_t *buffer, struct sm_oob *oob)
 {
-#ifdef CONFIG_SM_FTL_MUSEUM
 	uint8_t ecc[3];
 
 	__nand_calculate_ecc(buffer, SM_SMALL_PAGE, ecc);
@@ -218,7 +215,6 @@ static int sm_correct_sector(uint8_t *buffer, struct sm_oob *oob)
 	__nand_calculate_ecc(buffer, SM_SMALL_PAGE, ecc);
 	if (__nand_correct_data(buffer, ecc, oob->ecc2, SM_SMALL_PAGE) < 0)
 		return -EIO;
-#endif
 	return 0;
 }
 
@@ -382,7 +378,6 @@ restart:
 			oob.data_status = 0;
 		}
 
-#ifdef CONFIG_SM_FTL_MUSEUM
 		if (ftl->smallpagenand) {
 			__nand_calculate_ecc(buf + boffset,
 						SM_SMALL_PAGE, oob.ecc1);
@@ -390,7 +385,6 @@ restart:
 			__nand_calculate_ecc(buf + boffset + SM_SMALL_PAGE,
 						SM_SMALL_PAGE, oob.ecc2);
 		}
-#endif
 		if (!sm_write_sector(ftl, zone, block, boffset,
 							buf + boffset, &oob))
 			continue;

From 0f65169b1bf44220308e1ce1f6666ad03ddc27af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Richard=20R=C3=B6jfors?= <richard.rojfors@pelagicore.com>
Date: Fri, 26 Mar 2010 08:23:58 +0100
Subject: [PATCH 0143/3638] dma: timb-dma: Update comment and fix compiler
 warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

An incremental patch which clarifies what the spinlock is used for
and fixes a compiler warning.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/timb_dma.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 4dd710246c7..145f1c23408 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -79,7 +79,10 @@ struct timb_dma_desc {
 struct timb_dma_chan {
 	struct dma_chan		chan;
 	void __iomem		*membase;
-	spinlock_t		lock; /* Used for mutual exclusion */
+	spinlock_t		lock; /* Used to protect data structures,
+					especially the lists and descriptors,
+					from races between the tasklet and calls
+					from above */
 	dma_cookie_t		last_completed_cookie;
 	bool			ongoing;
 	struct list_head	active_list;
@@ -197,7 +200,7 @@ static int td_fill_desc(struct timb_dma_chan *td_chan, u8 *dma_desc,
 	}
 
 	dev_dbg(chan2dev(&td_chan->chan), "desc: %p, addr: %p\n",
-		dma_desc, (void *)(int)sg_dma_address(sg));
+		dma_desc, (void *)sg_dma_address(sg));
 
 	dma_desc[7] = (sg_dma_address(sg) >> 24) & 0xff;
 	dma_desc[6] = (sg_dma_address(sg) >> 16) & 0xff;

From c3635c78e500a52c9fcd55de381a72928d9e054d Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Fri, 26 Mar 2010 16:44:01 -0700
Subject: [PATCH 0144/3638] DMAENGINE: generic slave control v2

Convert the device_terminate_all() operation on the
DMA engine to a generic device_control() operation
which can now optionally support also pausing and
resuming DMA on a certain channel. Implemented for the
COH 901 318 DMAC as an example.

[dan.j.williams@intel.com: update for timberdale]
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Li Yang <leoli@freescale.com>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: Magnus Damm <damm@opensource.se>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Joe Perches <joe@perches.com>
Cc: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 arch/arm/mach-u300/include/mach/coh901318.h | 14 -------
 drivers/dma/at_hdmac.c                      | 10 ++++-
 drivers/dma/coh901318.c                     | 42 ++++++++++++++-------
 drivers/dma/dmaengine.c                     |  2 +-
 drivers/dma/dw_dmac.c                       | 10 ++++-
 drivers/dma/fsldma.c                        | 13 +++++--
 drivers/dma/ipu/ipu_idmac.c                 | 21 ++++++++---
 drivers/dma/shdma.c                         | 12 ++++--
 drivers/dma/timb_dma.c                      |  9 ++++-
 drivers/dma/txx9dmac.c                      | 10 ++++-
 drivers/mmc/host/atmel-mci.c                |  2 +-
 drivers/serial/sh-sci.c                     |  2 +-
 drivers/video/mx3fb.c                       |  3 +-
 include/linux/dmaengine.h                   | 18 ++++++++-
 sound/soc/txx9/txx9aclc.c                   |  6 +--
 15 files changed, 117 insertions(+), 57 deletions(-)

diff --git a/arch/arm/mach-u300/include/mach/coh901318.h b/arch/arm/mach-u300/include/mach/coh901318.h
index b8155b4e5ff..43ec040e765 100644
--- a/arch/arm/mach-u300/include/mach/coh901318.h
+++ b/arch/arm/mach-u300/include/mach/coh901318.h
@@ -109,20 +109,6 @@ struct coh901318_platform {
  */
 u32 coh901318_get_bytes_left(struct dma_chan *chan);
 
-/**
- * coh901318_stop() - Stops dma transfer
- * @chan: dma channel handle
- * return 0 on success otherwise negative value
- */
-void coh901318_stop(struct dma_chan *chan);
-
-/**
- * coh901318_continue() - Resumes a stopped dma transfer
- * @chan: dma channel handle
- * return 0 on success otherwise negative value
- */
-void coh901318_continue(struct dma_chan *chan);
-
 /**
  * coh901318_filter_id() - DMA channel filter function
  * @chan: dma channel handle
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index efc1a61ca23..f9143cf9e50 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -759,13 +759,17 @@ err_desc_get:
 	return NULL;
 }
 
-static void atc_terminate_all(struct dma_chan *chan)
+static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 {
 	struct at_dma_chan	*atchan = to_at_dma_chan(chan);
 	struct at_dma		*atdma = to_at_dma(chan->device);
 	struct at_desc		*desc, *_desc;
 	LIST_HEAD(list);
 
+	/* Only supports DMA_TERMINATE_ALL */
+	if (cmd != DMA_TERMINATE_ALL)
+		return -ENXIO;
+
 	/*
 	 * This is only called when something went wrong elsewhere, so
 	 * we don't really care about the data. Just disable the
@@ -789,6 +793,8 @@ static void atc_terminate_all(struct dma_chan *chan)
 	/* Flush all pending and queued descriptors */
 	list_for_each_entry_safe(desc, _desc, &list, desc_node)
 		atc_chain_complete(atchan, desc);
+
+	return 0;
 }
 
 /**
@@ -1091,7 +1097,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
 
 	if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask)) {
 		atdma->dma_common.device_prep_slave_sg = atc_prep_slave_sg;
-		atdma->dma_common.device_terminate_all = atc_terminate_all;
+		atdma->dma_common.device_control = atc_control;
 	}
 
 	dma_writel(atdma, EN, AT_DMA_ENABLE);
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index f636c4a87c7..53c54e034aa 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -506,10 +506,11 @@ u32 coh901318_get_bytes_left(struct dma_chan *chan)
 EXPORT_SYMBOL(coh901318_get_bytes_left);
 
 
-/* Stops a transfer without losing data. Enables power save.
-   Use this function in conjunction with coh901318_continue(..)
-*/
-void coh901318_stop(struct dma_chan *chan)
+/*
+ * Pauses a transfer without losing data. Enables power save.
+ * Use this function in conjunction with coh901318_resume.
+ */
+static void coh901318_pause(struct dma_chan *chan)
 {
 	u32 val;
 	unsigned long flags;
@@ -550,12 +551,11 @@ void coh901318_stop(struct dma_chan *chan)
 
 	spin_unlock_irqrestore(&cohc->lock, flags);
 }
-EXPORT_SYMBOL(coh901318_stop);
 
-/* Continues a transfer that has been stopped via 300_dma_stop(..).
+/* Resumes a transfer that has been stopped via 300_dma_stop(..).
    Power save is handled.
 */
-void coh901318_continue(struct dma_chan *chan)
+static void coh901318_resume(struct dma_chan *chan)
 {
 	u32 val;
 	unsigned long flags;
@@ -581,7 +581,6 @@ void coh901318_continue(struct dma_chan *chan)
 
 	spin_unlock_irqrestore(&cohc->lock, flags);
 }
-EXPORT_SYMBOL(coh901318_continue);
 
 bool coh901318_filter_id(struct dma_chan *chan, void *chan_id)
 {
@@ -945,7 +944,7 @@ coh901318_free_chan_resources(struct dma_chan *chan)
 
 	spin_unlock_irqrestore(&cohc->lock, flags);
 
-	chan->device->device_terminate_all(chan);
+	chan->device->device_control(chan, DMA_TERMINATE_ALL);
 }
 
 
@@ -1179,16 +1178,29 @@ coh901318_issue_pending(struct dma_chan *chan)
 	spin_unlock_irqrestore(&cohc->lock, flags);
 }
 
-static void
-coh901318_terminate_all(struct dma_chan *chan)
+static int
+coh901318_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 {
 	unsigned long flags;
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
 	struct coh901318_desc *cohd;
 	void __iomem *virtbase = cohc->base->virtbase;
 
-	coh901318_stop(chan);
+	if (cmd == DMA_PAUSE) {
+		coh901318_pause(chan);
+		return 0;
+	}
 
+	if (cmd == DMA_RESUME) {
+		coh901318_resume(chan);
+		return 0;
+	}
+
+	if (cmd != DMA_TERMINATE_ALL)
+		return -ENXIO;
+
+	/* The remainder of this function terminates the transfer */
+	coh901318_pause(chan);
 	spin_lock_irqsave(&cohc->lock, flags);
 
 	/* Clear any pending BE or TC interrupt */
@@ -1227,6 +1239,8 @@ coh901318_terminate_all(struct dma_chan *chan)
 	cohc->busy = 0;
 
 	spin_unlock_irqrestore(&cohc->lock, flags);
+
+	return 0;
 }
 void coh901318_base_init(struct dma_device *dma, const int *pick_chans,
 			 struct coh901318_base *base)
@@ -1344,7 +1358,7 @@ static int __init coh901318_probe(struct platform_device *pdev)
 	base->dma_slave.device_prep_slave_sg = coh901318_prep_slave_sg;
 	base->dma_slave.device_is_tx_complete = coh901318_is_tx_complete;
 	base->dma_slave.device_issue_pending = coh901318_issue_pending;
-	base->dma_slave.device_terminate_all = coh901318_terminate_all;
+	base->dma_slave.device_control = coh901318_control;
 	base->dma_slave.dev = &pdev->dev;
 
 	err = dma_async_device_register(&base->dma_slave);
@@ -1364,7 +1378,7 @@ static int __init coh901318_probe(struct platform_device *pdev)
 	base->dma_memcpy.device_prep_dma_memcpy = coh901318_prep_memcpy;
 	base->dma_memcpy.device_is_tx_complete = coh901318_is_tx_complete;
 	base->dma_memcpy.device_issue_pending = coh901318_issue_pending;
-	base->dma_memcpy.device_terminate_all = coh901318_terminate_all;
+	base->dma_memcpy.device_control = coh901318_control;
 	base->dma_memcpy.dev = &pdev->dev;
 	/*
 	 * This controller can only access address at even 32bit boundaries,
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 87399cafce3..ffc4ee9c5e2 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -694,7 +694,7 @@ int dma_async_device_register(struct dma_device *device)
 	BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) &&
 		!device->device_prep_slave_sg);
 	BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) &&
-		!device->device_terminate_all);
+		!device->device_control);
 
 	BUG_ON(!device->device_alloc_chan_resources);
 	BUG_ON(!device->device_free_chan_resources);
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index d28369f7afd..8a6b85f6117 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -781,13 +781,17 @@ err_desc_get:
 	return NULL;
 }
 
-static void dwc_terminate_all(struct dma_chan *chan)
+static int dwc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 {
 	struct dw_dma_chan	*dwc = to_dw_dma_chan(chan);
 	struct dw_dma		*dw = to_dw_dma(chan->device);
 	struct dw_desc		*desc, *_desc;
 	LIST_HEAD(list);
 
+	/* Only supports DMA_TERMINATE_ALL */
+	if (cmd != DMA_TERMINATE_ALL)
+		return -ENXIO;
+
 	/*
 	 * This is only called when something went wrong elsewhere, so
 	 * we don't really care about the data. Just disable the
@@ -810,6 +814,8 @@ static void dwc_terminate_all(struct dma_chan *chan)
 	/* Flush all pending and queued descriptors */
 	list_for_each_entry_safe(desc, _desc, &list, desc_node)
 		dwc_descriptor_complete(dwc, desc);
+
+	return 0;
 }
 
 static enum dma_status
@@ -1338,7 +1344,7 @@ static int __init dw_probe(struct platform_device *pdev)
 	dw->dma.device_prep_dma_memcpy = dwc_prep_dma_memcpy;
 
 	dw->dma.device_prep_slave_sg = dwc_prep_slave_sg;
-	dw->dma.device_terminate_all = dwc_terminate_all;
+	dw->dma.device_control = dwc_control;
 
 	dw->dma.device_is_tx_complete = dwc_is_tx_complete;
 	dw->dma.device_issue_pending = dwc_issue_pending;
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index bbb4be5a3ff..714fc46e769 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -774,13 +774,18 @@ fail:
 	return NULL;
 }
 
-static void fsl_dma_device_terminate_all(struct dma_chan *dchan)
+static int fsl_dma_device_control(struct dma_chan *dchan,
+				  enum dma_ctrl_cmd cmd)
 {
 	struct fsldma_chan *chan;
 	unsigned long flags;
 
+	/* Only supports DMA_TERMINATE_ALL */
+	if (cmd != DMA_TERMINATE_ALL)
+		return -ENXIO;
+
 	if (!dchan)
-		return;
+		return -EINVAL;
 
 	chan = to_fsl_chan(dchan);
 
@@ -794,6 +799,8 @@ static void fsl_dma_device_terminate_all(struct dma_chan *dchan)
 	fsldma_free_desc_list(chan, &chan->ld_running);
 
 	spin_unlock_irqrestore(&chan->desc_lock, flags);
+
+	return 0;
 }
 
 /**
@@ -1332,7 +1339,7 @@ static int __devinit fsldma_of_probe(struct of_device *op,
 	fdev->common.device_is_tx_complete = fsl_dma_is_complete;
 	fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending;
 	fdev->common.device_prep_slave_sg = fsl_dma_prep_slave_sg;
-	fdev->common.device_terminate_all = fsl_dma_device_terminate_all;
+	fdev->common.device_control = fsl_dma_device_control;
 	fdev->common.dev = &op->dev;
 
 	dev_set_drvdata(&op->dev, fdev);
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index 2a446397c88..39e7fb2a90e 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1472,13 +1472,17 @@ static void idmac_issue_pending(struct dma_chan *chan)
 	 */
 }
 
-static void __idmac_terminate_all(struct dma_chan *chan)
+static int __idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 {
 	struct idmac_channel *ichan = to_idmac_chan(chan);
 	struct idmac *idmac = to_idmac(chan->device);
 	unsigned long flags;
 	int i;
 
+	/* Only supports DMA_TERMINATE_ALL */
+	if (cmd != DMA_TERMINATE_ALL)
+		return -ENXIO;
+
 	ipu_disable_channel(idmac, ichan,
 			    ichan->status >= IPU_CHANNEL_ENABLED);
 
@@ -1505,17 +1509,22 @@ static void __idmac_terminate_all(struct dma_chan *chan)
 	tasklet_enable(&to_ipu(idmac)->tasklet);
 
 	ichan->status = IPU_CHANNEL_INITIALIZED;
+
+	return 0;
 }
 
-static void idmac_terminate_all(struct dma_chan *chan)
+static int idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 {
 	struct idmac_channel *ichan = to_idmac_chan(chan);
+	int ret;
 
 	mutex_lock(&ichan->chan_mutex);
 
-	__idmac_terminate_all(chan);
+	ret = __idmac_control(chan, cmd);
 
 	mutex_unlock(&ichan->chan_mutex);
+
+	return ret;
 }
 
 #ifdef DEBUG
@@ -1607,7 +1616,7 @@ static void idmac_free_chan_resources(struct dma_chan *chan)
 
 	mutex_lock(&ichan->chan_mutex);
 
-	__idmac_terminate_all(chan);
+	__idmac_control(chan, DMA_TERMINATE_ALL);
 
 	if (ichan->status > IPU_CHANNEL_FREE) {
 #ifdef DEBUG
@@ -1669,7 +1678,7 @@ static int __init ipu_idmac_init(struct ipu *ipu)
 
 	/* Compulsory for DMA_SLAVE fields */
 	dma->device_prep_slave_sg		= idmac_prep_slave_sg;
-	dma->device_terminate_all		= idmac_terminate_all;
+	dma->device_control			= idmac_control;
 
 	INIT_LIST_HEAD(&dma->channels);
 	for (i = 0; i < IPU_CHANNELS_NUM; i++) {
@@ -1703,7 +1712,7 @@ static void __exit ipu_idmac_exit(struct ipu *ipu)
 	for (i = 0; i < IPU_CHANNELS_NUM; i++) {
 		struct idmac_channel *ichan = ipu->channel + i;
 
-		idmac_terminate_all(&ichan->dma_chan);
+		idmac_control(&ichan->dma_chan, DMA_TERMINATE_ALL);
 		idmac_prep_slave_sg(&ichan->dma_chan, NULL, 0, DMA_NONE, 0);
 	}
 
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 5d17e09cb62..ce28c1e2282 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -580,12 +580,16 @@ static struct dma_async_tx_descriptor *sh_dmae_prep_slave_sg(
 			       direction, flags);
 }
 
-static void sh_dmae_terminate_all(struct dma_chan *chan)
+static int sh_dmae_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 {
 	struct sh_dmae_chan *sh_chan = to_sh_chan(chan);
 
+	/* Only supports DMA_TERMINATE_ALL */
+	if (cmd != DMA_TERMINATE_ALL)
+		return -ENXIO;
+
 	if (!chan)
-		return;
+		return -EINVAL;
 
 	dmae_halt(sh_chan);
 
@@ -601,6 +605,8 @@ static void sh_dmae_terminate_all(struct dma_chan *chan)
 	spin_unlock_bh(&sh_chan->desc_lock);
 
 	sh_dmae_chan_ld_cleanup(sh_chan, true);
+
+	return 0;
 }
 
 static dma_async_tx_callback __ld_cleanup(struct sh_dmae_chan *sh_chan, bool all)
@@ -1029,7 +1035,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
 
 	/* Compulsory for DMA_SLAVE fields */
 	shdev->common.device_prep_slave_sg = sh_dmae_prep_slave_sg;
-	shdev->common.device_terminate_all = sh_dmae_terminate_all;
+	shdev->common.device_control = sh_dmae_control;
 
 	shdev->common.dev = &pdev->dev;
 	/* Default transfer size of 32 bytes requires 32-byte alignment */
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 145f1c23408..7c06471ef86 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -613,7 +613,7 @@ static struct dma_async_tx_descriptor *td_prep_slave_sg(struct dma_chan *chan,
 	return &td_desc->txd;
 }
 
-static void td_terminate_all(struct dma_chan *chan)
+static int td_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 {
 	struct timb_dma_chan *td_chan =
 		container_of(chan, struct timb_dma_chan, chan);
@@ -621,6 +621,9 @@ static void td_terminate_all(struct dma_chan *chan)
 
 	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);
 
+	if (cmd != DMA_TERMINATE_ALL)
+		return -ENXIO;
+
 	/* first the easy part, put the queue into the free list */
 	spin_lock_bh(&td_chan->lock);
 	list_for_each_entry_safe(td_desc, _td_desc, &td_chan->queue,
@@ -630,6 +633,8 @@ static void td_terminate_all(struct dma_chan *chan)
 	/* now tear down the runnning */
 	__td_finish(td_chan);
 	spin_unlock_bh(&td_chan->lock);
+
+	return 0;
 }
 
 static void td_tasklet(unsigned long data)
@@ -743,7 +748,7 @@ static int __devinit td_probe(struct platform_device *pdev)
 	dma_cap_set(DMA_SLAVE, td->dma.cap_mask);
 	dma_cap_set(DMA_PRIVATE, td->dma.cap_mask);
 	td->dma.device_prep_slave_sg = td_prep_slave_sg;
-	td->dma.device_terminate_all = td_terminate_all;
+	td->dma.device_control = td_control;
 
 	td->dma.dev = &pdev->dev;
 
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index 3ebc61067e5..e528e15f44a 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -938,12 +938,16 @@ txx9dmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	return &first->txd;
 }
 
-static void txx9dmac_terminate_all(struct dma_chan *chan)
+static int txx9dmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 {
 	struct txx9dmac_chan *dc = to_txx9dmac_chan(chan);
 	struct txx9dmac_desc *desc, *_desc;
 	LIST_HEAD(list);
 
+	/* Only supports DMA_TERMINATE_ALL */
+	if (cmd != DMA_TERMINATE_ALL)
+		return -EINVAL;
+
 	dev_vdbg(chan2dev(chan), "terminate_all\n");
 	spin_lock_bh(&dc->lock);
 
@@ -958,6 +962,8 @@ static void txx9dmac_terminate_all(struct dma_chan *chan)
 	/* Flush all pending and queued descriptors */
 	list_for_each_entry_safe(desc, _desc, &list, desc_node)
 		txx9dmac_descriptor_complete(dc, desc);
+
+	return 0;
 }
 
 static enum dma_status
@@ -1153,7 +1159,7 @@ static int __init txx9dmac_chan_probe(struct platform_device *pdev)
 	dc->dma.dev = &pdev->dev;
 	dc->dma.device_alloc_chan_resources = txx9dmac_alloc_chan_resources;
 	dc->dma.device_free_chan_resources = txx9dmac_free_chan_resources;
-	dc->dma.device_terminate_all = txx9dmac_terminate_all;
+	dc->dma.device_control = txx9dmac_control;
 	dc->dma.device_is_tx_complete = txx9dmac_is_tx_complete;
 	dc->dma.device_issue_pending = txx9dmac_issue_pending;
 	if (pdata && pdata->memcpy_chan == ch) {
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 8072128e933..ae6d24ba4f0 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -578,7 +578,7 @@ static void atmci_stop_dma(struct atmel_mci *host)
 	struct dma_chan *chan = host->data_chan;
 
 	if (chan) {
-		chan->device->device_terminate_all(chan);
+		chan->device->device_control(chan, DMA_TERMINATE_ALL);
 		atmci_dma_cleanup(host);
 	} else {
 		/* Data transfer was stopped by the interrupt handler */
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index f7b9aff88f4..69098823797 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1087,7 +1087,7 @@ static void work_fn_rx(struct work_struct *work)
 		unsigned long flags;
 		int count;
 
-		chan->device->device_terminate_all(chan);
+		chan->device->device_control(chan, DMA_TERMINATE_ALL);
 		dev_dbg(port->dev, "Read %u bytes with cookie %d\n",
 			sh_desc->partial, sh_desc->cookie);
 
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index 772ba3f45e6..3aa50bc276e 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -387,7 +387,8 @@ static void sdc_disable_channel(struct mx3fb_info *mx3_fbi)
 
 	spin_unlock_irqrestore(&mx3fb->lock, flags);
 
-	mx3_fbi->txd->chan->device->device_terminate_all(mx3_fbi->txd->chan);
+	mx3_fbi->txd->chan->device->device_control(mx3_fbi->txd->chan,
+						   DMA_TERMINATE_ALL);
 	mx3_fbi->txd = NULL;
 	mx3_fbi->cookie = -EINVAL;
 }
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 20ea12c86fd..0731802f876 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -106,6 +106,19 @@ enum dma_ctrl_flags {
 	DMA_PREP_FENCE = (1 << 9),
 };
 
+/**
+ * enum dma_ctrl_cmd - DMA operations that can optionally be exercised
+ * on a running channel.
+ * @DMA_TERMINATE_ALL: terminate all ongoing transfers
+ * @DMA_PAUSE: pause ongoing transfers
+ * @DMA_RESUME: resume paused transfer
+ */
+enum dma_ctrl_cmd {
+	DMA_TERMINATE_ALL,
+	DMA_PAUSE,
+	DMA_RESUME,
+};
+
 /**
  * enum sum_check_bits - bit position of pq_check_flags
  */
@@ -261,7 +274,8 @@ struct dma_async_tx_descriptor {
  * @device_prep_dma_memset: prepares a memset operation
  * @device_prep_dma_interrupt: prepares an end of chain interrupt operation
  * @device_prep_slave_sg: prepares a slave dma operation
- * @device_terminate_all: terminate all pending operations
+ * @device_control: manipulate all pending operations on a channel, returns
+ *	zero or error code
  * @device_is_tx_complete: poll for transaction completion
  * @device_issue_pending: push pending transactions to hardware
  */
@@ -313,7 +327,7 @@ struct dma_device {
 		struct dma_chan *chan, struct scatterlist *sgl,
 		unsigned int sg_len, enum dma_data_direction direction,
 		unsigned long flags);
-	void (*device_terminate_all)(struct dma_chan *chan);
+	int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd);
 
 	enum dma_status (*device_is_tx_complete)(struct dma_chan *chan,
 			dma_cookie_t cookie, dma_cookie_t *last,
diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c
index efed64b8b02..b35d00706c0 100644
--- a/sound/soc/txx9/txx9aclc.c
+++ b/sound/soc/txx9/txx9aclc.c
@@ -159,7 +159,7 @@ static void txx9aclc_dma_tasklet(unsigned long data)
 		void __iomem *base = drvdata->base;
 
 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);
-		chan->device->device_terminate_all(chan);
+		chan->device->device_control(chan, DMA_TERMINATE_ALL);
 		/* first time */
 		for (i = 0; i < NR_DMA_CHAIN; i++) {
 			desc = txx9aclc_dma_submit(dmadata,
@@ -267,7 +267,7 @@ static int txx9aclc_pcm_close(struct snd_pcm_substream *substream)
 	struct dma_chan *chan = dmadata->dma_chan;
 
 	dmadata->frag_count = -1;
-	chan->device->device_terminate_all(chan);
+	chan->device->device_control(chan, DMA_TERMINATE_ALL);
 	return 0;
 }
 
@@ -396,7 +396,7 @@ static int txx9aclc_pcm_remove(struct platform_device *pdev)
 		struct dma_chan *chan = dmadata->dma_chan;
 		if (chan) {
 			dmadata->frag_count = -1;
-			chan->device->device_terminate_all(chan);
+			chan->device->device_control(chan, DMA_TERMINATE_ALL);
 			dma_release_channel(chan);
 		}
 		dev->dmadata[i].dma_chan = NULL;

From 0793448187643b50af89d36b08470baf45a3cab4 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Fri, 26 Mar 2010 16:50:49 -0700
Subject: [PATCH 0145/3638] DMAENGINE: generic channel status v2

Convert the device_is_tx_complete() operation on the
DMA engine to a generic device_tx_status()operation which
can return three states, DMA_TX_RUNNING, DMA_TX_COMPLETE,
DMA_TX_PAUSED.

[dan.j.williams@intel.com: update for timberdale]
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Li Yang <leoli@freescale.com>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: Magnus Damm <damm@opensource.se>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Joe Perches <joe@perches.com>
Cc: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 arch/arm/mach-u300/include/mach/coh901318.h |  7 ----
 drivers/dma/at_hdmac.c                      | 29 +++++++-------
 drivers/dma/coh901318.c                     | 25 ++++++------
 drivers/dma/dmaengine.c                     |  2 +-
 drivers/dma/dw_dmac.c                       | 17 ++++----
 drivers/dma/fsldma.c                        | 19 +++++----
 drivers/dma/ioat/dma.c                      | 12 +++---
 drivers/dma/ioat/dma.h                      | 22 +++++------
 drivers/dma/ioat/dma_v2.c                   |  2 +-
 drivers/dma/ioat/dma_v3.c                   | 20 +++++-----
 drivers/dma/iop-adma.c                      | 44 +++++++++++----------
 drivers/dma/ipu/ipu_idmac.c                 | 15 +++----
 drivers/dma/mpc512x_dma.c                   | 16 ++++----
 drivers/dma/mv_xor.c                        | 32 ++++++++-------
 drivers/dma/ppc4xx/adma.c                   | 27 +++++++------
 drivers/dma/shdma.c                         | 17 ++++----
 drivers/dma/timb_dma.c                      | 15 +++----
 drivers/dma/txx9dmac.c                      | 16 ++++----
 include/linux/dmaengine.h                   | 38 +++++++++++++++---
 19 files changed, 203 insertions(+), 172 deletions(-)

diff --git a/arch/arm/mach-u300/include/mach/coh901318.h b/arch/arm/mach-u300/include/mach/coh901318.h
index 43ec040e765..193da2df732 100644
--- a/arch/arm/mach-u300/include/mach/coh901318.h
+++ b/arch/arm/mach-u300/include/mach/coh901318.h
@@ -102,13 +102,6 @@ struct coh901318_platform {
 	const int max_channels;
 };
 
-/**
- * coh901318_get_bytes_left() - Get number of bytes left on a current transfer
- * @chan: dma channel handle
- * return number of bytes left, or negative on error
- */
-u32 coh901318_get_bytes_left(struct dma_chan *chan);
-
 /**
  * coh901318_filter_id() - DMA channel filter function
  * @chan: dma channel handle
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index f9143cf9e50..ff75cf18d32 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -798,29 +798,25 @@ static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 }
 
 /**
- * atc_is_tx_complete - poll for transaction completion
+ * atc_tx_status - poll for transaction completion
  * @chan: DMA channel
  * @cookie: transaction identifier to check status of
- * @done: if not %NULL, updated with last completed transaction
- * @used: if not %NULL, updated with last used transaction
+ * @txstate: if not %NULL updated with transaction state
  *
- * If @done and @used are passed in, upon return they reflect the driver
+ * If @txstate is passed in, upon return it reflect the driver
  * internal state and can be used with dma_async_is_complete() to check
  * the status of multiple cookies without re-checking hardware state.
  */
 static enum dma_status
-atc_is_tx_complete(struct dma_chan *chan,
+atc_tx_status(struct dma_chan *chan,
 		dma_cookie_t cookie,
-		dma_cookie_t *done, dma_cookie_t *used)
+		struct dma_tx_state *txstate)
 {
 	struct at_dma_chan	*atchan = to_at_dma_chan(chan);
 	dma_cookie_t		last_used;
 	dma_cookie_t		last_complete;
 	enum dma_status		ret;
 
-	dev_vdbg(chan2dev(chan), "is_tx_complete: %d (d%d, u%d)\n",
-			cookie, done ? *done : 0, used ? *used : 0);
-
 	spin_lock_bh(&atchan->lock);
 
 	last_complete = atchan->completed_cookie;
@@ -838,10 +834,15 @@ atc_is_tx_complete(struct dma_chan *chan,
 
 	spin_unlock_bh(&atchan->lock);
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
+
+	dev_vdbg(chan2dev(chan), "tx_status: %d (d%d, u%d)\n",
+		 cookie, last_complete ? last_complete : 0,
+		 last_used ? last_used : 0);
 
 	return ret;
 }
@@ -1087,7 +1088,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
 	/* set base routines */
 	atdma->dma_common.device_alloc_chan_resources = atc_alloc_chan_resources;
 	atdma->dma_common.device_free_chan_resources = atc_free_chan_resources;
-	atdma->dma_common.device_is_tx_complete = atc_is_tx_complete;
+	atdma->dma_common.device_tx_status = atc_tx_status;
 	atdma->dma_common.device_issue_pending = atc_issue_pending;
 	atdma->dma_common.dev = &pdev->dev;
 
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 53c54e034aa..309db3beef1 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -426,7 +426,7 @@ static inline u32 coh901318_get_bytes_in_lli(struct coh901318_lli *in_lli)
  * absolute measures, but for a rough guess you can still call
  * it.
  */
-u32 coh901318_get_bytes_left(struct dma_chan *chan)
+static u32 coh901318_get_bytes_left(struct dma_chan *chan)
 {
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
 	struct coh901318_desc *cohd;
@@ -503,8 +503,6 @@ u32 coh901318_get_bytes_left(struct dma_chan *chan)
 
 	return left;
 }
-EXPORT_SYMBOL(coh901318_get_bytes_left);
-
 
 /*
  * Pauses a transfer without losing data. Enables power save.
@@ -1136,9 +1134,8 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 }
 
 static enum dma_status
-coh901318_is_tx_complete(struct dma_chan *chan,
-			 dma_cookie_t cookie, dma_cookie_t *done,
-			 dma_cookie_t *used)
+coh901318_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
+		 struct dma_tx_state *txstate)
 {
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
 	dma_cookie_t last_used;
@@ -1150,10 +1147,14 @@ coh901318_is_tx_complete(struct dma_chan *chan,
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = coh901318_get_bytes_left(chan);
+	}
+
+	if (ret == DMA_IN_PROGRESS && cohc->stopped)
+		ret = DMA_PAUSED;
 
 	return ret;
 }
@@ -1356,7 +1357,7 @@ static int __init coh901318_probe(struct platform_device *pdev)
 	base->dma_slave.device_alloc_chan_resources = coh901318_alloc_chan_resources;
 	base->dma_slave.device_free_chan_resources = coh901318_free_chan_resources;
 	base->dma_slave.device_prep_slave_sg = coh901318_prep_slave_sg;
-	base->dma_slave.device_is_tx_complete = coh901318_is_tx_complete;
+	base->dma_slave.device_tx_status = coh901318_tx_status;
 	base->dma_slave.device_issue_pending = coh901318_issue_pending;
 	base->dma_slave.device_control = coh901318_control;
 	base->dma_slave.dev = &pdev->dev;
@@ -1376,7 +1377,7 @@ static int __init coh901318_probe(struct platform_device *pdev)
 	base->dma_memcpy.device_alloc_chan_resources = coh901318_alloc_chan_resources;
 	base->dma_memcpy.device_free_chan_resources = coh901318_free_chan_resources;
 	base->dma_memcpy.device_prep_dma_memcpy = coh901318_prep_memcpy;
-	base->dma_memcpy.device_is_tx_complete = coh901318_is_tx_complete;
+	base->dma_memcpy.device_tx_status = coh901318_tx_status;
 	base->dma_memcpy.device_issue_pending = coh901318_issue_pending;
 	base->dma_memcpy.device_control = coh901318_control;
 	base->dma_memcpy.dev = &pdev->dev;
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index ffc4ee9c5e2..790caeeb4cc 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -698,7 +698,7 @@ int dma_async_device_register(struct dma_device *device)
 
 	BUG_ON(!device->device_alloc_chan_resources);
 	BUG_ON(!device->device_free_chan_resources);
-	BUG_ON(!device->device_is_tx_complete);
+	BUG_ON(!device->device_tx_status);
 	BUG_ON(!device->device_issue_pending);
 	BUG_ON(!device->dev);
 
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 8a6b85f6117..263b70ee856 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -819,9 +819,9 @@ static int dwc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 }
 
 static enum dma_status
-dwc_is_tx_complete(struct dma_chan *chan,
-		dma_cookie_t cookie,
-		dma_cookie_t *done, dma_cookie_t *used)
+dwc_tx_status(struct dma_chan *chan,
+	      dma_cookie_t cookie,
+	      struct dma_tx_state *txstate)
 {
 	struct dw_dma_chan	*dwc = to_dw_dma_chan(chan);
 	dma_cookie_t		last_used;
@@ -841,10 +841,11 @@ dwc_is_tx_complete(struct dma_chan *chan,
 		ret = dma_async_is_complete(cookie, last_complete, last_used);
 	}
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	return ret;
 }
@@ -1346,7 +1347,7 @@ static int __init dw_probe(struct platform_device *pdev)
 	dw->dma.device_prep_slave_sg = dwc_prep_slave_sg;
 	dw->dma.device_control = dwc_control;
 
-	dw->dma.device_is_tx_complete = dwc_is_tx_complete;
+	dw->dma.device_tx_status = dwc_tx_status;
 	dw->dma.device_issue_pending = dwc_issue_pending;
 
 	dma_writel(dw, CFG, DW_CFG_DMA_EN);
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 714fc46e769..ca5e8a3dce7 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -971,13 +971,12 @@ static void fsl_dma_memcpy_issue_pending(struct dma_chan *dchan)
 }
 
 /**
- * fsl_dma_is_complete - Determine the DMA status
+ * fsl_tx_status - Determine the DMA status
  * @chan : Freescale DMA channel
  */
-static enum dma_status fsl_dma_is_complete(struct dma_chan *dchan,
+static enum dma_status fsl_tx_status(struct dma_chan *dchan,
 					dma_cookie_t cookie,
-					dma_cookie_t *done,
-					dma_cookie_t *used)
+					struct dma_tx_state *txstate)
 {
 	struct fsldma_chan *chan = to_fsl_chan(dchan);
 	dma_cookie_t last_used;
@@ -988,11 +987,11 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *dchan,
 	last_used = dchan->cookie;
 	last_complete = chan->completed_cookie;
 
-	if (done)
-		*done = last_complete;
-
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
@@ -1336,7 +1335,7 @@ static int __devinit fsldma_of_probe(struct of_device *op,
 	fdev->common.device_free_chan_resources = fsl_dma_free_chan_resources;
 	fdev->common.device_prep_dma_interrupt = fsl_dma_prep_interrupt;
 	fdev->common.device_prep_dma_memcpy = fsl_dma_prep_memcpy;
-	fdev->common.device_is_tx_complete = fsl_dma_is_complete;
+	fdev->common.device_tx_status = fsl_tx_status;
 	fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending;
 	fdev->common.device_prep_slave_sg = fsl_dma_prep_slave_sg;
 	fdev->common.device_control = fsl_dma_device_control;
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 0099340b961..59cebbfc89e 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -726,18 +726,18 @@ static void ioat1_timer_event(unsigned long data)
 }
 
 enum dma_status
-ioat_is_dma_complete(struct dma_chan *c, dma_cookie_t cookie,
-		      dma_cookie_t *done, dma_cookie_t *used)
+ioat_dma_tx_status(struct dma_chan *c, dma_cookie_t cookie,
+		   struct dma_tx_state *txstate)
 {
 	struct ioat_chan_common *chan = to_chan_common(c);
 	struct ioatdma_device *device = chan->device;
 
-	if (ioat_is_complete(c, cookie, done, used) == DMA_SUCCESS)
+	if (ioat_tx_status(c, cookie, txstate) == DMA_SUCCESS)
 		return DMA_SUCCESS;
 
 	device->cleanup_fn((unsigned long) c);
 
-	return ioat_is_complete(c, cookie, done, used);
+	return ioat_tx_status(c, cookie, txstate);
 }
 
 static void ioat1_dma_start_null_desc(struct ioat_dma_chan *ioat)
@@ -857,7 +857,7 @@ int __devinit ioat_dma_self_test(struct ioatdma_device *device)
 	tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000));
 
 	if (tmo == 0 ||
-	    dma->device_is_tx_complete(dma_chan, cookie, NULL, NULL)
+	    dma->device_tx_status(dma_chan, cookie, NULL)
 					!= DMA_SUCCESS) {
 		dev_err(dev, "Self-test copy timed out, disabling\n");
 		err = -ENODEV;
@@ -1198,7 +1198,7 @@ int __devinit ioat1_dma_probe(struct ioatdma_device *device, int dca)
 	dma->device_issue_pending = ioat1_dma_memcpy_issue_pending;
 	dma->device_alloc_chan_resources = ioat1_dma_alloc_chan_resources;
 	dma->device_free_chan_resources = ioat1_dma_free_chan_resources;
-	dma->device_is_tx_complete = ioat_is_dma_complete;
+	dma->device_tx_status = ioat_dma_tx_status;
 
 	err = ioat_probe(device);
 	if (err)
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 86b97ac8774..23399672239 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -142,15 +142,14 @@ static inline struct ioat_dma_chan *to_ioat_chan(struct dma_chan *c)
 }
 
 /**
- * ioat_is_complete - poll the status of an ioat transaction
+ * ioat_tx_status - poll the status of an ioat transaction
  * @c: channel handle
  * @cookie: transaction identifier
- * @done: if set, updated with last completed transaction
- * @used: if set, updated with last used transaction
+ * @txstate: if set, updated with the transaction state
  */
 static inline enum dma_status
-ioat_is_complete(struct dma_chan *c, dma_cookie_t cookie,
-		 dma_cookie_t *done, dma_cookie_t *used)
+ioat_tx_status(struct dma_chan *c, dma_cookie_t cookie,
+		 struct dma_tx_state *txstate)
 {
 	struct ioat_chan_common *chan = to_chan_common(c);
 	dma_cookie_t last_used;
@@ -159,10 +158,11 @@ ioat_is_complete(struct dma_chan *c, dma_cookie_t cookie,
 	last_used = c->cookie;
 	last_complete = chan->completed_cookie;
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
@@ -338,8 +338,8 @@ struct dca_provider * __devinit ioat_dca_init(struct pci_dev *pdev,
 unsigned long ioat_get_current_completion(struct ioat_chan_common *chan);
 void ioat_init_channel(struct ioatdma_device *device,
 		       struct ioat_chan_common *chan, int idx);
-enum dma_status ioat_is_dma_complete(struct dma_chan *c, dma_cookie_t cookie,
-				     dma_cookie_t *done, dma_cookie_t *used);
+enum dma_status ioat_dma_tx_status(struct dma_chan *c, dma_cookie_t cookie,
+				   struct dma_tx_state *txstate);
 void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
 		    size_t len, struct ioat_dma_descriptor *hw);
 bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 1ed5d66d7dc..f540e0be7f3 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -854,7 +854,7 @@ int __devinit ioat2_dma_probe(struct ioatdma_device *device, int dca)
 	dma->device_issue_pending = ioat2_issue_pending;
 	dma->device_alloc_chan_resources = ioat2_alloc_chan_resources;
 	dma->device_free_chan_resources = ioat2_free_chan_resources;
-	dma->device_is_tx_complete = ioat_is_dma_complete;
+	dma->device_tx_status = ioat_tx_status;
 
 	err = ioat_probe(device);
 	if (err)
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 26febc56dab..d1adbf35268 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -438,17 +438,17 @@ static void ioat3_timer_event(unsigned long data)
 }
 
 static enum dma_status
-ioat3_is_complete(struct dma_chan *c, dma_cookie_t cookie,
-		  dma_cookie_t *done, dma_cookie_t *used)
+ioat3_tx_status(struct dma_chan *c, dma_cookie_t cookie,
+		struct dma_tx_state *txstate)
 {
 	struct ioat2_dma_chan *ioat = to_ioat2_chan(c);
 
-	if (ioat_is_complete(c, cookie, done, used) == DMA_SUCCESS)
+	if (ioat_tx_status(c, cookie, txstate) == DMA_SUCCESS)
 		return DMA_SUCCESS;
 
 	ioat3_cleanup_poll(ioat);
 
-	return ioat_is_complete(c, cookie, done, used);
+	return ioat_tx_status(c, cookie, txstate);
 }
 
 static struct dma_async_tx_descriptor *
@@ -976,7 +976,7 @@ static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device)
 
 	tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000));
 
-	if (dma->device_is_tx_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+	if (dma->device_tx_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
 		dev_err(dev, "Self-test xor timed out\n");
 		err = -ENODEV;
 		goto free_resources;
@@ -1030,7 +1030,7 @@ static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device)
 
 	tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000));
 
-	if (dma->device_is_tx_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+	if (dma->device_tx_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
 		dev_err(dev, "Self-test validate timed out\n");
 		err = -ENODEV;
 		goto free_resources;
@@ -1071,7 +1071,7 @@ static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device)
 
 	tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000));
 
-	if (dma->device_is_tx_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+	if (dma->device_tx_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
 		dev_err(dev, "Self-test memset timed out\n");
 		err = -ENODEV;
 		goto free_resources;
@@ -1114,7 +1114,7 @@ static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device)
 
 	tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000));
 
-	if (dma->device_is_tx_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+	if (dma->device_tx_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
 		dev_err(dev, "Self-test 2nd validate timed out\n");
 		err = -ENODEV;
 		goto free_resources;
@@ -1258,11 +1258,11 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca)
 
 
 	if (is_raid_device) {
-		dma->device_is_tx_complete = ioat3_is_complete;
+		dma->device_tx_status = ioat3_tx_status;
 		device->cleanup_fn = ioat3_cleanup_event;
 		device->timer_fn = ioat3_timer_event;
 	} else {
-		dma->device_is_tx_complete = ioat_is_dma_complete;
+		dma->device_tx_status = ioat_dma_tx_status;
 		device->cleanup_fn = ioat2_cleanup_event;
 		device->timer_fn = ioat2_timer_event;
 	}
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index ca6e6a0cb79..ee40dbba187 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -893,14 +893,14 @@ static void iop_adma_free_chan_resources(struct dma_chan *chan)
 }
 
 /**
- * iop_adma_is_complete - poll the status of an ADMA transaction
+ * iop_adma_status - poll the status of an ADMA transaction
  * @chan: ADMA channel handle
  * @cookie: ADMA transaction identifier
+ * @txstate: a holder for the current state of the channel or NULL
  */
-static enum dma_status iop_adma_is_complete(struct dma_chan *chan,
+static enum dma_status iop_adma_status(struct dma_chan *chan,
 					dma_cookie_t cookie,
-					dma_cookie_t *done,
-					dma_cookie_t *used)
+					struct dma_tx_state *txstate)
 {
 	struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
 	dma_cookie_t last_used;
@@ -910,10 +910,11 @@ static enum dma_status iop_adma_is_complete(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = iop_chan->completed_cookie;
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 	if (ret == DMA_SUCCESS)
@@ -924,10 +925,11 @@ static enum dma_status iop_adma_is_complete(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = iop_chan->completed_cookie;
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
@@ -1042,7 +1044,7 @@ static int __devinit iop_adma_memcpy_self_test(struct iop_adma_device *device)
 	iop_adma_issue_pending(dma_chan);
 	msleep(1);
 
-	if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+	if (iop_adma_status(dma_chan, cookie, NULL) !=
 			DMA_SUCCESS) {
 		dev_printk(KERN_ERR, dma_chan->device->dev,
 			"Self-test copy timed out, disabling\n");
@@ -1142,7 +1144,7 @@ iop_adma_xor_val_self_test(struct iop_adma_device *device)
 	iop_adma_issue_pending(dma_chan);
 	msleep(8);
 
-	if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+	if (iop_adma_status(dma_chan, cookie, NULL) !=
 		DMA_SUCCESS) {
 		dev_printk(KERN_ERR, dma_chan->device->dev,
 			"Self-test xor timed out, disabling\n");
@@ -1189,7 +1191,7 @@ iop_adma_xor_val_self_test(struct iop_adma_device *device)
 	iop_adma_issue_pending(dma_chan);
 	msleep(8);
 
-	if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+	if (iop_adma_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
 		dev_printk(KERN_ERR, dma_chan->device->dev,
 			"Self-test zero sum timed out, disabling\n");
 		err = -ENODEV;
@@ -1213,7 +1215,7 @@ iop_adma_xor_val_self_test(struct iop_adma_device *device)
 	iop_adma_issue_pending(dma_chan);
 	msleep(8);
 
-	if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+	if (iop_adma_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
 		dev_printk(KERN_ERR, dma_chan->device->dev,
 			"Self-test memset timed out, disabling\n");
 		err = -ENODEV;
@@ -1245,7 +1247,7 @@ iop_adma_xor_val_self_test(struct iop_adma_device *device)
 	iop_adma_issue_pending(dma_chan);
 	msleep(8);
 
-	if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+	if (iop_adma_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
 		dev_printk(KERN_ERR, dma_chan->device->dev,
 			"Self-test non-zero sum timed out, disabling\n");
 		err = -ENODEV;
@@ -1340,7 +1342,7 @@ iop_adma_pq_zero_sum_self_test(struct iop_adma_device *device)
 	iop_adma_issue_pending(dma_chan);
 	msleep(8);
 
-	if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+	if (iop_adma_status(dma_chan, cookie, NULL) !=
 		DMA_SUCCESS) {
 		dev_err(dev, "Self-test pq timed out, disabling\n");
 		err = -ENODEV;
@@ -1377,7 +1379,7 @@ iop_adma_pq_zero_sum_self_test(struct iop_adma_device *device)
 	iop_adma_issue_pending(dma_chan);
 	msleep(8);
 
-	if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+	if (iop_adma_status(dma_chan, cookie, NULL) !=
 		DMA_SUCCESS) {
 		dev_err(dev, "Self-test pq-zero-sum timed out, disabling\n");
 		err = -ENODEV;
@@ -1409,7 +1411,7 @@ iop_adma_pq_zero_sum_self_test(struct iop_adma_device *device)
 	iop_adma_issue_pending(dma_chan);
 	msleep(8);
 
-	if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+	if (iop_adma_status(dma_chan, cookie, NULL) !=
 		DMA_SUCCESS) {
 		dev_err(dev, "Self-test !pq-zero-sum timed out, disabling\n");
 		err = -ENODEV;
@@ -1507,7 +1509,7 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
 	/* set base routines */
 	dma_dev->device_alloc_chan_resources = iop_adma_alloc_chan_resources;
 	dma_dev->device_free_chan_resources = iop_adma_free_chan_resources;
-	dma_dev->device_is_tx_complete = iop_adma_is_complete;
+	dma_dev->device_tx_status = iop_adma_status;
 	dma_dev->device_issue_pending = iop_adma_issue_pending;
 	dma_dev->dev = &pdev->dev;
 
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index 39e7fb2a90e..b9cef8b1701 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1646,15 +1646,16 @@ static void idmac_free_chan_resources(struct dma_chan *chan)
 	tasklet_schedule(&to_ipu(idmac)->tasklet);
 }
 
-static enum dma_status idmac_is_tx_complete(struct dma_chan *chan,
-		dma_cookie_t cookie, dma_cookie_t *done, dma_cookie_t *used)
+static enum dma_status idmac_tx_status(struct dma_chan *chan,
+		       dma_cookie_t cookie, struct dma_tx_state *txstate)
 {
 	struct idmac_channel *ichan = to_idmac_chan(chan);
 
-	if (done)
-		*done = ichan->completed;
-	if (used)
-		*used = chan->cookie;
+	if (txstate) {
+		txstate->last = ichan->completed;
+		txstate->used = chan->cookie;
+		txstate->residue = 0;
+	}
 	if (cookie != chan->cookie)
 		return DMA_ERROR;
 	return DMA_SUCCESS;
@@ -1673,7 +1674,7 @@ static int __init ipu_idmac_init(struct ipu *ipu)
 	dma->dev				= ipu->dev;
 	dma->device_alloc_chan_resources	= idmac_alloc_chan_resources;
 	dma->device_free_chan_resources		= idmac_free_chan_resources;
-	dma->device_is_tx_complete		= idmac_is_tx_complete;
+	dma->device_tx_status			= idmac_tx_status;
 	dma->device_issue_pending		= idmac_issue_pending;
 
 	/* Compulsory for DMA_SLAVE fields */
diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 3fdf1f46bd6..cb3a8e94ea4 100644
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -540,8 +540,8 @@ static void mpc_dma_issue_pending(struct dma_chan *chan)
 
 /* Check request completion status */
 static enum dma_status
-mpc_dma_is_tx_complete(struct dma_chan *chan, dma_cookie_t cookie,
-					dma_cookie_t *done, dma_cookie_t *used)
+mpc_dma_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
+	       struct dma_tx_state *txstate)
 {
 	struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(chan);
 	unsigned long flags;
@@ -553,11 +553,11 @@ mpc_dma_is_tx_complete(struct dma_chan *chan, dma_cookie_t cookie,
 	last_complete = mchan->completed_cookie;
 	spin_unlock_irqrestore(&mchan->lock, flags);
 
-	if (done)
-		*done = last_complete;
-
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
@@ -693,7 +693,7 @@ static int __devinit mpc_dma_probe(struct of_device *op,
 	dma->device_alloc_chan_resources = mpc_dma_alloc_chan_resources;
 	dma->device_free_chan_resources = mpc_dma_free_chan_resources;
 	dma->device_issue_pending = mpc_dma_issue_pending;
-	dma->device_is_tx_complete = mpc_dma_is_tx_complete;
+	dma->device_tx_status = mpc_dma_tx_status;
 	dma->device_prep_dma_memcpy = mpc_dma_prep_memcpy;
 
 	INIT_LIST_HEAD(&dma->channels);
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 466ab10c1ff..79fb1dea691 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -809,14 +809,14 @@ static void mv_xor_free_chan_resources(struct dma_chan *chan)
 }
 
 /**
- * mv_xor_is_complete - poll the status of an XOR transaction
+ * mv_xor_status - poll the status of an XOR transaction
  * @chan: XOR channel handle
  * @cookie: XOR transaction identifier
+ * @txstate: XOR transactions state holder (or NULL)
  */
-static enum dma_status mv_xor_is_complete(struct dma_chan *chan,
+static enum dma_status mv_xor_status(struct dma_chan *chan,
 					  dma_cookie_t cookie,
-					  dma_cookie_t *done,
-					  dma_cookie_t *used)
+					  struct dma_tx_state *txstate)
 {
 	struct mv_xor_chan *mv_chan = to_mv_xor_chan(chan);
 	dma_cookie_t last_used;
@@ -826,10 +826,11 @@ static enum dma_status mv_xor_is_complete(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = mv_chan->completed_cookie;
 	mv_chan->is_complete_cookie = cookie;
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 	if (ret == DMA_SUCCESS) {
@@ -841,10 +842,11 @@ static enum dma_status mv_xor_is_complete(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = mv_chan->completed_cookie;
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
@@ -974,7 +976,7 @@ static int __devinit mv_xor_memcpy_self_test(struct mv_xor_device *device)
 	async_tx_ack(tx);
 	msleep(1);
 
-	if (mv_xor_is_complete(dma_chan, cookie, NULL, NULL) !=
+	if (mv_xor_status(dma_chan, cookie, NULL) !=
 	    DMA_SUCCESS) {
 		dev_printk(KERN_ERR, dma_chan->device->dev,
 			   "Self-test copy timed out, disabling\n");
@@ -1072,7 +1074,7 @@ mv_xor_xor_self_test(struct mv_xor_device *device)
 	async_tx_ack(tx);
 	msleep(8);
 
-	if (mv_xor_is_complete(dma_chan, cookie, NULL, NULL) !=
+	if (mv_xor_status(dma_chan, cookie, NULL) !=
 	    DMA_SUCCESS) {
 		dev_printk(KERN_ERR, dma_chan->device->dev,
 			   "Self-test xor timed out, disabling\n");
@@ -1167,7 +1169,7 @@ static int __devinit mv_xor_probe(struct platform_device *pdev)
 	/* set base routines */
 	dma_dev->device_alloc_chan_resources = mv_xor_alloc_chan_resources;
 	dma_dev->device_free_chan_resources = mv_xor_free_chan_resources;
-	dma_dev->device_is_tx_complete = mv_xor_is_complete;
+	dma_dev->device_tx_status = mv_xor_status;
 	dma_dev->device_issue_pending = mv_xor_issue_pending;
 	dma_dev->dev = &pdev->dev;
 
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index e69d87f24a2..d9a54c01865 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -3934,12 +3934,13 @@ static void ppc440spe_adma_free_chan_resources(struct dma_chan *chan)
 }
 
 /**
- * ppc440spe_adma_is_complete - poll the status of an ADMA transaction
+ * ppc440spe_adma_tx_status - poll the status of an ADMA transaction
  * @chan: ADMA channel handle
  * @cookie: ADMA transaction identifier
+ * @txstate: a holder for the current state of the channel
  */
-static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan,
-	dma_cookie_t cookie, dma_cookie_t *done, dma_cookie_t *used)
+static enum dma_status ppc440spe_adma_tx_status(struct dma_chan *chan,
+			dma_cookie_t cookie, struct dma_tx_state *txstate)
 {
 	struct ppc440spe_adma_chan *ppc440spe_chan;
 	dma_cookie_t last_used;
@@ -3950,10 +3951,11 @@ static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = ppc440spe_chan->completed_cookie;
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 	if (ret == DMA_SUCCESS)
@@ -3964,10 +3966,11 @@ static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = ppc440spe_chan->completed_cookie;
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
@@ -4179,7 +4182,7 @@ static void ppc440spe_adma_init_capabilities(struct ppc440spe_adma_device *adev)
 				ppc440spe_adma_alloc_chan_resources;
 	adev->common.device_free_chan_resources =
 				ppc440spe_adma_free_chan_resources;
-	adev->common.device_is_tx_complete = ppc440spe_adma_is_complete;
+	adev->common.device_tx_status = ppc440spe_adma_tx_status;
 	adev->common.device_issue_pending = ppc440spe_adma_issue_pending;
 
 	/* Set prep routines based on capability */
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index ce28c1e2282..8aeda9ceb22 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -738,10 +738,9 @@ static void sh_dmae_memcpy_issue_pending(struct dma_chan *chan)
 	sh_chan_xfer_ld_queue(sh_chan);
 }
 
-static enum dma_status sh_dmae_is_complete(struct dma_chan *chan,
+static enum dma_status sh_dmae_tx_status(struct dma_chan *chan,
 					dma_cookie_t cookie,
-					dma_cookie_t *done,
-					dma_cookie_t *used)
+					struct dma_tx_state *txstate)
 {
 	struct sh_dmae_chan *sh_chan = to_sh_chan(chan);
 	dma_cookie_t last_used;
@@ -754,11 +753,11 @@ static enum dma_status sh_dmae_is_complete(struct dma_chan *chan,
 	last_complete = sh_chan->completed_cookie;
 	BUG_ON(last_complete < 0);
 
-	if (done)
-		*done = last_complete;
-
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	spin_lock_bh(&sh_chan->desc_lock);
 
@@ -1030,7 +1029,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
 		= sh_dmae_alloc_chan_resources;
 	shdev->common.device_free_chan_resources = sh_dmae_free_chan_resources;
 	shdev->common.device_prep_dma_memcpy = sh_dmae_prep_memcpy;
-	shdev->common.device_is_tx_complete = sh_dmae_is_complete;
+	shdev->common.device_tx_status = sh_dmae_tx_status;
 	shdev->common.device_issue_pending = sh_dmae_memcpy_issue_pending;
 
 	/* Compulsory for DMA_SLAVE fields */
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 7c06471ef86..8fc28814561 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -511,8 +511,8 @@ static void td_free_chan_resources(struct dma_chan *chan)
 	}
 }
 
-static enum dma_status td_is_tx_complete(struct dma_chan *chan,
-	dma_cookie_t cookie, dma_cookie_t *done, dma_cookie_t *used)
+static enum dma_status td_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
+				    struct dma_tx_state *txstate)
 {
 	struct timb_dma_chan *td_chan =
 		container_of(chan, struct timb_dma_chan, chan);
@@ -527,10 +527,11 @@ static enum dma_status td_is_tx_complete(struct dma_chan *chan,
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	dev_dbg(chan2dev(chan),
 		"%s: exit, ret: %d, last_complete: %d, last_used: %d\n",
@@ -742,7 +743,7 @@ static int __devinit td_probe(struct platform_device *pdev)
 
 	td->dma.device_alloc_chan_resources	= td_alloc_chan_resources;
 	td->dma.device_free_chan_resources	= td_free_chan_resources;
-	td->dma.device_is_tx_complete		= td_is_tx_complete;
+	td->dma.device_tx_status		= td_tx_status;
 	td->dma.device_issue_pending		= td_issue_pending;
 
 	dma_cap_set(DMA_SLAVE, td->dma.cap_mask);
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index e528e15f44a..a44e422cbc2 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -967,9 +967,8 @@ static int txx9dmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 }
 
 static enum dma_status
-txx9dmac_is_tx_complete(struct dma_chan *chan,
-			dma_cookie_t cookie,
-		dma_cookie_t *done, dma_cookie_t *used)
+txx9dmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
+		   struct dma_tx_state *txstate)
 {
 	struct txx9dmac_chan *dc = to_txx9dmac_chan(chan);
 	dma_cookie_t last_used;
@@ -991,10 +990,11 @@ txx9dmac_is_tx_complete(struct dma_chan *chan,
 		ret = dma_async_is_complete(cookie, last_complete, last_used);
 	}
 
-	if (done)
-		*done = last_complete;
-	if (used)
-		*used = last_used;
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = 0;
+	}
 
 	return ret;
 }
@@ -1160,7 +1160,7 @@ static int __init txx9dmac_chan_probe(struct platform_device *pdev)
 	dc->dma.device_alloc_chan_resources = txx9dmac_alloc_chan_resources;
 	dc->dma.device_free_chan_resources = txx9dmac_free_chan_resources;
 	dc->dma.device_control = txx9dmac_control;
-	dc->dma.device_is_tx_complete = txx9dmac_is_tx_complete;
+	dc->dma.device_tx_status = txx9dmac_tx_status;
 	dc->dma.device_issue_pending = txx9dmac_issue_pending;
 	if (pdata && pdata->memcpy_chan == ch) {
 		dc->dma.device_prep_dma_memcpy = txx9dmac_prep_dma_memcpy;
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 0731802f876..55b08e84ac8 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -40,11 +40,13 @@ typedef s32 dma_cookie_t;
  * enum dma_status - DMA transaction status
  * @DMA_SUCCESS: transaction completed successfully
  * @DMA_IN_PROGRESS: transaction not yet processed
+ * @DMA_PAUSED: transaction is paused
  * @DMA_ERROR: transaction failed
  */
 enum dma_status {
 	DMA_SUCCESS,
 	DMA_IN_PROGRESS,
+	DMA_PAUSED,
 	DMA_ERROR,
 };
 
@@ -248,6 +250,21 @@ struct dma_async_tx_descriptor {
 	spinlock_t lock;
 };
 
+/**
+ * struct dma_tx_state - filled in to report the status of
+ * a transfer.
+ * @last: last completed DMA cookie
+ * @used: last issued DMA cookie (i.e. the one in progress)
+ * @residue: the remaining number of bytes left to transmit
+ *	on the selected transfer for states DMA_IN_PROGRESS and
+ *	DMA_PAUSED if this is implemented in the driver, else 0
+ */
+struct dma_tx_state {
+	dma_cookie_t last;
+	dma_cookie_t used;
+	u32 residue;
+};
+
 /**
  * struct dma_device - info on the entity supplying DMA services
  * @chancnt: how many DMA channels are supported
@@ -276,7 +293,10 @@ struct dma_async_tx_descriptor {
  * @device_prep_slave_sg: prepares a slave dma operation
  * @device_control: manipulate all pending operations on a channel, returns
  *	zero or error code
- * @device_is_tx_complete: poll for transaction completion
+ * @device_tx_status: poll for transaction completion, the optional
+ *	txstate parameter can be supplied with a pointer to get a
+ *	struct with auxilary transfer status information, otherwise the call
+ *	will just return a simple status code
  * @device_issue_pending: push pending transactions to hardware
  */
 struct dma_device {
@@ -329,9 +349,9 @@ struct dma_device {
 		unsigned long flags);
 	int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd);
 
-	enum dma_status (*device_is_tx_complete)(struct dma_chan *chan,
-			dma_cookie_t cookie, dma_cookie_t *last,
-			dma_cookie_t *used);
+	enum dma_status (*device_tx_status)(struct dma_chan *chan,
+					    dma_cookie_t cookie,
+					    struct dma_tx_state *txstate);
 	void (*device_issue_pending)(struct dma_chan *chan);
 };
 
@@ -572,7 +592,15 @@ static inline void dma_async_issue_pending(struct dma_chan *chan)
 static inline enum dma_status dma_async_is_tx_complete(struct dma_chan *chan,
 	dma_cookie_t cookie, dma_cookie_t *last, dma_cookie_t *used)
 {
-	return chan->device->device_is_tx_complete(chan, cookie, last, used);
+	struct dma_tx_state state;
+	enum dma_status status;
+
+	status = chan->device->device_tx_status(chan, cookie, &state);
+	if (last)
+		*last = state.last;
+	if (used)
+		*used = state.used;
+	return status;
 }
 
 #define dma_async_memcpy_complete(chan, cookie, last, used)\

From bca3469205402d9fb14060d255d8786ae2256640 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Fri, 26 Mar 2010 16:52:10 -0700
Subject: [PATCH 0146/3638] dmaengine: provide helper for setting txstate

Simple conditional struct filler to cut out some duplicated code.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/at_hdmac.c      |  7 +------
 drivers/dma/coh901318.c     |  8 ++------
 drivers/dma/dw_dmac.c       |  6 +-----
 drivers/dma/fsldma.c        |  6 +-----
 drivers/dma/ioat/dma.h      |  6 +-----
 drivers/dma/iop-adma.c      | 15 ++-------------
 drivers/dma/ipu/ipu_idmac.c |  6 +-----
 drivers/dma/mpc512x_dma.c   |  7 +------
 drivers/dma/mv_xor.c        | 13 ++-----------
 drivers/dma/ppc4xx/adma.c   | 12 ++----------
 drivers/dma/shdma.c         |  7 +------
 drivers/dma/timb_dma.c      |  6 +-----
 drivers/dma/txx9dmac.c      |  6 +-----
 include/linux/dmaengine.h   | 10 ++++++++++
 14 files changed, 27 insertions(+), 88 deletions(-)

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index ff75cf18d32..93ed99c84cf 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -834,12 +834,7 @@ atc_tx_status(struct dma_chan *chan,
 
 	spin_unlock_bh(&atchan->lock);
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
-
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 	dev_vdbg(chan2dev(chan), "tx_status: %d (d%d, u%d)\n",
 		 cookie, last_complete ? last_complete : 0,
 		 last_used ? last_used : 0);
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 309db3beef1..4233440741a 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -1147,12 +1147,8 @@ coh901318_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = coh901318_get_bytes_left(chan);
-	}
-
+	dma_set_tx_state(txstate, last_complete, last_used,
+			 coh901318_get_bytes_left(chan));
 	if (ret == DMA_IN_PROGRESS && cohc->stopped)
 		ret = DMA_PAUSED;
 
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 263b70ee856..18fb5b41ced 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -841,11 +841,7 @@ dwc_tx_status(struct dma_chan *chan,
 		ret = dma_async_is_complete(cookie, last_complete, last_used);
 	}
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	return ret;
 }
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index ca5e8a3dce7..cb1924f46c9 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -987,11 +987,7 @@ static enum dma_status fsl_tx_status(struct dma_chan *dchan,
 	last_used = dchan->cookie;
 	last_complete = chan->completed_cookie;
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 23399672239..26f48ef94c5 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -158,11 +158,7 @@ ioat_tx_status(struct dma_chan *c, dma_cookie_t cookie,
 	last_used = c->cookie;
 	last_complete = chan->completed_cookie;
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index ee40dbba187..e5d4b97b7fd 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -909,13 +909,7 @@ static enum dma_status iop_adma_status(struct dma_chan *chan,
 
 	last_used = chan->cookie;
 	last_complete = iop_chan->completed_cookie;
-
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
-
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 	if (ret == DMA_SUCCESS)
 		return ret;
@@ -924,12 +918,7 @@ static enum dma_status iop_adma_status(struct dma_chan *chan,
 
 	last_used = chan->cookie;
 	last_complete = iop_chan->completed_cookie;
-
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index b9cef8b1701..246a6143e4a 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1651,11 +1651,7 @@ static enum dma_status idmac_tx_status(struct dma_chan *chan,
 {
 	struct idmac_channel *ichan = to_idmac_chan(chan);
 
-	if (txstate) {
-		txstate->last = ichan->completed;
-		txstate->used = chan->cookie;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, ichan->completed, chan->cookie, 0);
 	if (cookie != chan->cookie)
 		return DMA_ERROR;
 	return DMA_SUCCESS;
diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index cb3a8e94ea4..7a750b95303 100644
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -553,12 +553,7 @@ mpc_dma_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 	last_complete = mchan->completed_cookie;
 	spin_unlock_irqrestore(&mchan->lock, flags);
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
-
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
 
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 79fb1dea691..4b8c1fcc834 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -826,11 +826,7 @@ static enum dma_status mv_xor_status(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = mv_chan->completed_cookie;
 	mv_chan->is_complete_cookie = cookie;
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 	if (ret == DMA_SUCCESS) {
@@ -842,12 +838,7 @@ static enum dma_status mv_xor_status(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = mv_chan->completed_cookie;
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
-
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
 
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index d9a54c01865..5558419876e 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -3951,11 +3951,7 @@ static enum dma_status ppc440spe_adma_tx_status(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = ppc440spe_chan->completed_cookie;
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 	if (ret == DMA_SUCCESS)
@@ -3966,11 +3962,7 @@ static enum dma_status ppc440spe_adma_tx_status(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = ppc440spe_chan->completed_cookie;
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 8aeda9ceb22..98f82cdb404 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -752,12 +752,7 @@ static enum dma_status sh_dmae_tx_status(struct dma_chan *chan,
 	last_used = chan->cookie;
 	last_complete = sh_chan->completed_cookie;
 	BUG_ON(last_complete < 0);
-
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	spin_lock_bh(&sh_chan->desc_lock);
 
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 8fc28814561..e20d5c1fa21 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -527,11 +527,7 @@ static enum dma_status td_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 
 	ret = dma_async_is_complete(cookie, last_complete, last_used);
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	dev_dbg(chan2dev(chan),
 		"%s: exit, ret: %d, last_complete: %d, last_used: %d\n",
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index a44e422cbc2..e523737639a 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -990,11 +990,7 @@ txx9dmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 		ret = dma_async_is_complete(cookie, last_complete, last_used);
 	}
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = 0;
-	}
+	dma_set_tx_state(txstate, last_complete, last_used, 0);
 
 	return ret;
 }
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 55b08e84ac8..50b7b3e0d57 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -628,6 +628,16 @@ static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie,
 	return DMA_IN_PROGRESS;
 }
 
+static inline void
+dma_set_tx_state(struct dma_tx_state *st, dma_cookie_t last, dma_cookie_t used, u32 residue)
+{
+	if (st) {
+		st->last = last;
+		st->used = used;
+		st->residue = residue;
+	}
+}
+
 enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie);
 #ifdef CONFIG_DMA_ENGINE
 enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx);

From e92dd4fd1aa1cd081dac03973b33c972637d5b7a Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Fri, 26 Mar 2010 19:27:58 -0700
Subject: [PATCH 0147/3638] slab: Fix continuation lines

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 mm/slab.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index a9f325b28be..ceb4e3aa22f 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -4227,10 +4227,11 @@ static int s_show(struct seq_file *m, void *p)
 		unsigned long node_frees = cachep->node_frees;
 		unsigned long overflows = cachep->node_overflow;
 
-		seq_printf(m, " : globalstat %7lu %6lu %5lu %4lu \
-				%4lu %4lu %4lu %4lu %4lu", allocs, high, grown,
-				reaped, errors, max_freeable, node_allocs,
-				node_frees, overflows);
+		seq_printf(m, " : globalstat %7lu %6lu %5lu %4lu "
+			   "%4lu %4lu %4lu %4lu %4lu",
+			   allocs, high, grown,
+			   reaped, errors, max_freeable, node_allocs,
+			   node_frees, overflows);
 	}
 	/* cpu stats */
 	{

From 975d260355fca4734b545a0e3366672af0356905 Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 29 Mar 2010 16:15:31 +0800
Subject: [PATCH 0148/3638] padata: Section cleanup

This patch removes the __cupinit from padata_cpu_callback(),
which is refered by the exportet function padata_alloc().

This could lead to problems if CONFIG_HOTPLUG_CPU is disabled,
which should happen very often.

WARNING: kernel/built-in.o(.text+0x7ffcb): Section mismatch in reference from the function padata_alloc() to the function .cpuinit.text:padata_cpu_callback()
The function padata_alloc() references
the function __cpuinit padata_cpu_callback().
This is often because padata_alloc lacks a __cpuinit
annotation or the annotation of padata_cpu_callback is wrong.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 kernel/padata.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 6f9bcb8313d..0282478bc58 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -569,8 +569,8 @@ void padata_stop(struct padata_instance *pinst)
 }
 EXPORT_SYMBOL(padata_stop);
 
-static int __cpuinit padata_cpu_callback(struct notifier_block *nfb,
-					 unsigned long action, void *hcpu)
+static int padata_cpu_callback(struct notifier_block *nfb,
+			       unsigned long action, void *hcpu)
 {
 	int err;
 	struct padata_instance *pinst;

From 8da552f26107f55186346cff280ec9d53cc42add Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 29 Mar 2010 16:53:13 +1100
Subject: [PATCH 0149/3638] mtd: SmartMedia/xD FTL: use of kmalloc/kfree
 requires the include of slab.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/sm_ftl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index a9b4e344c55..4c215896fbc 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -15,6 +15,7 @@
 #include <linux/freezer.h>
 #include <linux/sysfs.h>
 #include <linux/bitops.h>
+#include <linux/slab.h>
 #include <linux/mtd/nand_ecc.h>
 #include "nand/sm_common.h"
 #include "sm_ftl.h"

From 7c9a84a57b57978f0ea0d2dc16394d75a781e6a5 Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Fri, 12 Mar 2010 17:05:31 +0000
Subject: [PATCH 0150/3638] GFS2: Remove space from slab cache name

Apparently this might confuse parsers.

Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index a88fadc704b..fb2a5f93b7c 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -94,7 +94,7 @@ static int __init init_gfs2_fs(void)
 	if (!gfs2_glock_cachep)
 		goto fail;
 
-	gfs2_glock_aspace_cachep = kmem_cache_create("gfs2_glock (aspace)",
+	gfs2_glock_aspace_cachep = kmem_cache_create("gfs2_glock(aspace)",
 					sizeof(struct gfs2_glock) +
 					sizeof(struct address_space),
 					0, 0, gfs2_init_gl_aspace_once);

From 4cb947b59c5835783fb96aad2f7d92b1e4250aff Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Thu, 25 Mar 2010 11:04:49 +0100
Subject: [PATCH 0151/3638] GFS2: docs update

Now http://sources.redhat.com/cluster/ is redirected to
http://sources.redhat.com/cluster/wiki/

Also fixed tabs in the end.

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 Documentation/filesystems/gfs2.txt | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Documentation/filesystems/gfs2.txt b/Documentation/filesystems/gfs2.txt
index 5e3ab8f3bef..0b59c020091 100644
--- a/Documentation/filesystems/gfs2.txt
+++ b/Documentation/filesystems/gfs2.txt
@@ -1,7 +1,7 @@
 Global File System
 ------------------
 
-http://sources.redhat.com/cluster/
+http://sources.redhat.com/cluster/wiki/
 
 GFS is a cluster file system. It allows a cluster of computers to
 simultaneously use a block device that is shared between them (with FC,
@@ -36,11 +36,11 @@ GFS2 is not on-disk compatible with previous versions of GFS, but it
 is pretty close.
 
 The following man pages can be found at the URL above:
-  fsck.gfs2	to repair a filesystem
-  gfs2_grow	to expand a filesystem online
-  gfs2_jadd	to add journals to a filesystem online
-  gfs2_tool	to manipulate, examine and tune a filesystem
+  fsck.gfs2		to repair a filesystem
+  gfs2_grow		to expand a filesystem online
+  gfs2_jadd		to add journals to a filesystem online
+  gfs2_tool		to manipulate, examine and tune a filesystem
   gfs2_quota	to examine and change quota values in a filesystem
   gfs2_convert	to convert a gfs filesystem to gfs2 in-place
   mount.gfs2	to help mount(8) mount a filesystem
-  mkfs.gfs2	to make a filesystem
+  mkfs.gfs2		to make a filesystem

From 602c89d2e3e8652f94a697c9a919be739b9bcdd5 Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Thu, 25 Mar 2010 14:32:43 +0000
Subject: [PATCH 0152/3638] GFS2: Clean up stuffed file copying

If the inode size was corrupt for stuffed files, it was possible
for the copying of data to overrun the block and/or page. This patch
checks for that condition so that this is no longer possible.

This is also preparation for the new truncate sequence patch which
requires the ability to have stuffed files with larger sizes than
(disk block size - sizeof(on disk inode)) with the restriction that
only the initial part of the file may be non-zero.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/aops.c |  8 +++++---
 fs/gfs2/bmap.c | 17 ++++++++++-------
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 0c1d0b82dcf..a739a0a4806 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -418,6 +418,7 @@ static int gfs2_jdata_writepages(struct address_space *mapping,
 static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
 {
 	struct buffer_head *dibh;
+	u64 dsize = i_size_read(&ip->i_inode);
 	void *kaddr;
 	int error;
 
@@ -437,9 +438,10 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
 		return error;
 
 	kaddr = kmap_atomic(page, KM_USER0);
-	memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
-	       ip->i_disksize);
-	memset(kaddr + ip->i_disksize, 0, PAGE_CACHE_SIZE - ip->i_disksize);
+	if (dsize > (dibh->b_size - sizeof(struct gfs2_dinode)))
+		dsize = (dibh->b_size - sizeof(struct gfs2_dinode));
+	memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
+	memset(kaddr + dsize, 0, PAGE_CACHE_SIZE - dsize);
 	kunmap_atomic(kaddr, KM_USER0);
 	flush_dcache_page(page);
 	brelse(dibh);
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 583e823307a..0db0cd92a38 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -72,11 +72,13 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
 
 	if (!PageUptodate(page)) {
 		void *kaddr = kmap(page);
+		u64 dsize = i_size_read(inode);
+ 
+		if (dsize > (dibh->b_size - sizeof(struct gfs2_dinode)))
+			dsize = dibh->b_size - sizeof(struct gfs2_dinode);
 
-		memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
-		       ip->i_disksize);
-		memset(kaddr + ip->i_disksize, 0,
-		       PAGE_CACHE_SIZE - ip->i_disksize);
+		memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
+		memset(kaddr + dsize, 0, PAGE_CACHE_SIZE - dsize);
 		kunmap(page);
 
 		SetPageUptodate(page);
@@ -1039,13 +1041,14 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
 		goto out;
 
 	if (gfs2_is_stuffed(ip)) {
-		ip->i_disksize = size;
+		u64 dsize = size + sizeof(struct gfs2_inode);
 		ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
 		gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 		gfs2_dinode_out(ip, dibh->b_data);
-		gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode) + size);
+		if (dsize > dibh->b_size)
+			dsize = dibh->b_size;
+		gfs2_buffer_clear_tail(dibh, dsize);
 		error = 1;
-
 	} else {
 		if (size & (u64)(sdp->sd_sb.sb_bsize - 1))
 			error = gfs2_block_truncate_page(ip->i_inode.i_mapping);

From 6a3cd3ea48584d14f60dce0b3c4e9e4428beb0fe Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 29 Mar 2010 15:54:40 +1100
Subject: [PATCH 0153/3638] async_tx: use of kzalloc/kfree requires the include
 of slab.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/timb_dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index e20d5c1fa21..44b346d8d31 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -27,6 +27,7 @@
 #include <linux/io.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 
 #include <linux/timb_dma.h>
 

From ed28f04b2753ce1b07b9c3dab7d186c43ce19e8c Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Tue, 30 Mar 2010 02:52:41 +0900
Subject: [PATCH 0154/3638] HID: update gfp/slab.h includes

Implicit slab.h inclusion via percpu.h is about to go away.  Make sure
gfp.h or slab.h is included as necessary.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-roccat-kone.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 2b1412e4ff6..7b117849662 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -35,6 +35,7 @@
 #include <linux/hid.h>
 #include <linux/usb.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include "hid-ids.h"
 #include "hid-roccat-kone.h"
 

From da54a0ced4502dc2a25df034f218463a2a50488d Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Thu, 25 Mar 2010 15:34:34 +0100
Subject: [PATCH 0155/3638] HID: update BKL comment in hiddev

Update comment explaining BKL usage in legacy hiddev driver.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/usbhid/hiddev.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 433602aed46..c24d2fa3e3b 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -267,6 +267,7 @@ static int hiddev_open(struct inode *inode, struct file *file)
 	struct hiddev_list *list;
 	int res, i;
 
+	/* See comment in hiddev_connect() for BKL explanation */
 	lock_kernel();
 	i = iminor(inode) - HIDDEV_MINOR_BASE;
 
@@ -894,8 +895,22 @@ int hiddev_connect(struct hid_device *hid, unsigned int force)
 	hiddev->hid = hid;
 	hiddev->exist = 1;
 
-	/* when lock_kernel() usage is fixed in usb_open(),
-	 * we could also fix it here */
+	/*
+	 * BKL here is used to avoid race after usb_register_dev().
+	 * Once the device node has been created, open() could happen on it.
+	 * The code below will then fail, as hiddev_table hasn't been
+	 * updated.
+	 *
+	 * The obvious fix -- introducing mutex to guard hiddev_table[]
+	 * doesn't work, as usb_open() and usb_register_dev() both take
+	 * minor_rwsem, thus we'll have ABBA deadlock.
+	 *
+	 * Before BKL pushdown, usb_open() had been acquiring it in right
+	 * order, so _open() was safe to use it to protect from this race.
+	 * Now the order is different, but AB-BA deadlock still doesn't occur
+	 * as BKL is dropped on schedule() (i.e. while sleeping on
+	 * minor_rwsem). Fugly.
+	 */
 	lock_kernel();
 	retval = usb_register_dev(usbhid->intf, &hiddev_class);
 	if (retval) {

From 236db47c2b3b69464d50c695ab2ddd516cf64520 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Tue, 30 Mar 2010 22:33:50 +0200
Subject: [PATCH 0156/3638] HID: new driver for PicoLCD device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add basic driver for PicoLCD graphics device.
Initially support keypad with input device and provide support
for debugging communication via events file from debugfs.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 .../ABI/testing/sysfs-driver-hid-picolcd      |   17 +
 drivers/hid/Kconfig                           |   18 +
 drivers/hid/Makefile                          |    1 +
 drivers/hid/hid-core.c                        |    2 +
 drivers/hid/hid-ids.h                         |    2 +
 drivers/hid/hid-picolcd.c                     | 1183 +++++++++++++++++
 6 files changed, 1223 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-hid-picolcd
 create mode 100644 drivers/hid/hid-picolcd.c

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-picolcd b/Documentation/ABI/testing/sysfs-driver-hid-picolcd
new file mode 100644
index 00000000000..6fb4f21469f
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-picolcd
@@ -0,0 +1,17 @@
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/operation_mode
+Date:		March 2010
+Contact:	Bruno Prémont <bonbons@linux-vserver.org>
+Description:	Make it possible to switch the PicoLCD device between LCD
+		(firmware) and bootloader (flasher) operation modes.
+
+		Reading: returns list of available modes, the active mode being
+		enclosed in brackets ('[' and ']')
+
+		Writing: causes operation mode switch. Permitted values are
+		the non-active mode names listed when read, optionally followed
+		by a delay value expressed in ms.
+
+		Note: when switching mode the current PicoLCD HID device gets
+		disconnected and reconnects after above delay (default value
+		is 5 seconds though this default should not be relied on).
+
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 71d4c070362..138ba6a277e 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -262,6 +262,24 @@ config HID_PETALYNX
 	---help---
 	Support for Petalynx Maxter remote control.
 
+config HID_PICOLCD
+	tristate "PicoLCD (graphic version)"
+	depends on USB_HID
+	---help---
+	  This provides support for Minibox PicoLCD devices, currently
+	  only the graphical ones are supported.
+
+	  This includes support for the following device features:
+	  - Keypad
+	  - Switching between Firmware and Flash mode
+	  Features that are not (yet) supported:
+	  - Framebuffer for monochrome 256x64 display
+	  - Backlight control
+	  - Contrast control
+	  - IR
+	  - General purpose outputs
+	  - EEProm / Flash access
+
 config HID_QUANTA
 	tristate "Quanta Optical Touch"
 	depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 0b2618f092c..7fd1614e7e2 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_HID_ORTEK)		+= hid-ortek.o
 obj-$(CONFIG_HID_QUANTA)	+= hid-quanta.o
 obj-$(CONFIG_HID_PANTHERLORD)	+= hid-pl.o
 obj-$(CONFIG_HID_PETALYNX)	+= hid-petalynx.o
+obj-$(CONFIG_HID_PICOLCD)	+= hid-picolcd.o
 obj-$(CONFIG_HID_SAMSUNG)	+= hid-samsung.o
 obj-$(CONFIG_HID_SMARTJOYPLUS)	+= hid-sjoy.o
 obj-$(CONFIG_HID_SONY)		+= hid-sony.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 2e2aa759d23..bb11fb460d5 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1335,6 +1335,8 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 797e0647035..783b41d8592 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -341,6 +341,8 @@
 #define USB_VENDOR_ID_MICROCHIP		0x04d8
 #define USB_DEVICE_ID_PICKIT1		0x0032
 #define USB_DEVICE_ID_PICKIT2		0x0033
+#define USB_DEVICE_ID_PICOLCD		0xc002
+#define USB_DEVICE_ID_PICOLCD_BOOTLOADER	0xf002
 
 #define USB_VENDOR_ID_MICROSOFT		0x045e
 #define USB_DEVICE_ID_SIDEWINDER_GV	0x003b
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
new file mode 100644
index 00000000000..c7855f38889
--- /dev/null
+++ b/drivers/hid/hid-picolcd.c
@@ -0,0 +1,1183 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Bruno Prémont <bonbons@linux-vserver.org>       *
+ *                                                                         *
+ *   Based on Logitech G13 driver (v0.4)                                   *
+ *     Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu>   *
+ *                                                                         *
+ *   This program is free software: you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation, version 2 of the License.               *
+ *                                                                         *
+ *   This driver is distributed in the hope that it will be useful, but    *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      *
+ *   General Public License for more details.                              *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this software. If not see <http://www.gnu.org/licenses/>.  *
+ ***************************************************************************/
+
+#include <linux/hid.h>
+#include <linux/hid-debug.h>
+#include <linux/input.h>
+#include "hid-ids.h"
+#include "usbhid/usbhid.h"
+#include <linux/usb.h>
+
+#include <linux/seq_file.h>
+#include <linux/debugfs.h>
+
+#include <linux/completion.h>
+
+#define PICOLCD_NAME "PicoLCD (graphic)"
+
+/* Report numbers */
+#define REPORT_ERROR_CODE      0x10 /* LCD: IN[16]  */
+#define   ERR_SUCCESS            0x00
+#define   ERR_PARAMETER_MISSING  0x01
+#define   ERR_DATA_MISSING       0x02
+#define   ERR_BLOCK_READ_ONLY    0x03
+#define   ERR_BLOCK_NOT_ERASABLE 0x04
+#define   ERR_BLOCK_TOO_BIG      0x05
+#define   ERR_SECTION_OVERFLOW   0x06
+#define   ERR_INVALID_CMD_LEN    0x07
+#define   ERR_INVALID_DATA_LEN   0x08
+#define REPORT_KEY_STATE       0x11 /* LCD: IN[2]   */
+#define REPORT_IR_DATA         0x21 /* LCD: IN[63]  */
+#define REPORT_EE_DATA         0x32 /* LCD: IN[63]  */
+#define REPORT_MEMORY          0x41 /* LCD: IN[63]  */
+#define REPORT_LED_STATE       0x81 /* LCD: OUT[1]  */
+#define REPORT_BRIGHTNESS      0x91 /* LCD: OUT[1]  */
+#define REPORT_CONTRAST        0x92 /* LCD: OUT[1]  */
+#define REPORT_RESET           0x93 /* LCD: OUT[2]  */
+#define REPORT_LCD_CMD         0x94 /* LCD: OUT[63] */
+#define REPORT_LCD_DATA        0x95 /* LCD: OUT[63] */
+#define REPORT_LCD_CMD_DATA    0x96 /* LCD: OUT[63] */
+#define	REPORT_EE_READ         0xa3 /* LCD: OUT[63] */
+#define REPORT_EE_WRITE        0xa4 /* LCD: OUT[63] */
+#define REPORT_ERASE_MEMORY    0xb2 /* LCD: OUT[2]  */
+#define REPORT_READ_MEMORY     0xb3 /* LCD: OUT[3]  */
+#define REPORT_WRITE_MEMORY    0xb4 /* LCD: OUT[63] */
+#define REPORT_SPLASH_RESTART  0xc1 /* LCD: OUT[1]  */
+#define REPORT_EXIT_KEYBOARD   0xef /* LCD: OUT[2]  */
+#define REPORT_VERSION         0xf1 /* LCD: IN[2],OUT[1]    Bootloader: IN[2],OUT[1]   */
+#define REPORT_BL_ERASE_MEMORY 0xf2 /*                      Bootloader: IN[36],OUT[4]  */
+#define REPORT_BL_READ_MEMORY  0xf3 /*                      Bootloader: IN[36],OUT[4]  */
+#define REPORT_BL_WRITE_MEMORY 0xf4 /*                      Bootloader: IN[36],OUT[36] */
+#define REPORT_DEVID           0xf5 /* LCD: IN[5], OUT[1]   Bootloader: IN[5],OUT[1]   */
+#define REPORT_SPLASH_SIZE     0xf6 /* LCD: IN[4], OUT[1]   */
+#define REPORT_HOOK_VERSION    0xf7 /* LCD: IN[2], OUT[1]   */
+#define REPORT_EXIT_FLASHER    0xff /*                      Bootloader: OUT[2]         */
+
+/* Input device
+ *
+ * The PicoLCD has an IR receiver header, a built-in keypad with 5 keys
+ * and header for 4x4 key matrix. The built-in keys are part of the matrix.
+ */
+static const unsigned short def_keymap[] = {
+	KEY_RESERVED,	/* none */
+	KEY_BACK,	/* col 4 + row 1 */
+	KEY_HOMEPAGE,	/* col 3 + row 1 */
+	KEY_RESERVED,	/* col 2 + row 1 */
+	KEY_RESERVED,	/* col 1 + row 1 */
+	KEY_SCROLLUP,	/* col 4 + row 2 */
+	KEY_OK,		/* col 3 + row 2 */
+	KEY_SCROLLDOWN,	/* col 2 + row 2 */
+	KEY_RESERVED,	/* col 1 + row 2 */
+	KEY_RESERVED,	/* col 4 + row 3 */
+	KEY_RESERVED,	/* col 3 + row 3 */
+	KEY_RESERVED,	/* col 2 + row 3 */
+	KEY_RESERVED,	/* col 1 + row 3 */
+	KEY_RESERVED,	/* col 4 + row 4 */
+	KEY_RESERVED,	/* col 3 + row 4 */
+	KEY_RESERVED,	/* col 2 + row 4 */
+	KEY_RESERVED,	/* col 1 + row 4 */
+};
+#define PICOLCD_KEYS ARRAY_SIZE(def_keymap)
+
+/* Description of in-progress IO operation, used for operations
+ * that trigger response from device */
+struct picolcd_pending {
+	struct hid_report *out_report;
+	struct hid_report *in_report;
+	struct completion ready;
+	int raw_size;
+	u8 raw_data[64];
+};
+
+/* Per device data structure */
+struct picolcd_data {
+	struct hid_device *hdev;
+#ifdef CONFIG_DEBUG_FS
+	int addr_sz;
+#endif
+	u8 version[2];
+	/* input stuff */
+	u8 pressed_keys[2];
+	struct input_dev *input_keys;
+	struct input_dev *input_cir;
+	unsigned short keycode[PICOLCD_KEYS];
+
+	/* Housekeeping stuff */
+	spinlock_t lock;
+	struct mutex mutex;
+	struct picolcd_pending *pending;
+	int status;
+#define PICOLCD_BOOTLOADER 1
+#define PICOLCD_FAILED 2
+};
+
+
+/* Find a given report */
+#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT)
+#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT)
+
+static struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir)
+{
+	struct list_head *feature_report_list = &hdev->report_enum[dir].report_list;
+	struct hid_report *report = NULL;
+
+	list_for_each_entry(report, feature_report_list, list) {
+		if (report->id == id)
+			return report;
+	}
+	dev_warn(&hdev->dev, "No report with id 0x%x found\n", id);
+	return NULL;
+}
+
+#ifdef CONFIG_DEBUG_FS
+static void picolcd_debug_out_report(struct picolcd_data *data,
+		struct hid_device *hdev, struct hid_report *report);
+#define usbhid_submit_report(a, b, c) \
+	do { \
+		picolcd_debug_out_report(hid_get_drvdata(a), a, b); \
+		usbhid_submit_report(a, b, c); \
+	} while (0)
+#endif
+
+/* Submit a report and wait for a reply from device - if device fades away
+ * or does not respond in time, return NULL */
+static struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev,
+		int report_id, const u8 *raw_data, int size)
+{
+	struct picolcd_data *data = hid_get_drvdata(hdev);
+	struct picolcd_pending *work;
+	struct hid_report *report = picolcd_out_report(report_id, hdev);
+	unsigned long flags;
+	int i, j, k;
+
+	if (!report || !data)
+		return NULL;
+	if (data->status & PICOLCD_FAILED)
+		return NULL;
+	work = kzalloc(sizeof(*work), GFP_KERNEL);
+	if (!work)
+		return NULL;
+
+	init_completion(&work->ready);
+	work->out_report = report;
+	work->in_report  = NULL;
+	work->raw_size   = 0;
+
+	mutex_lock(&data->mutex);
+	spin_lock_irqsave(&data->lock, flags);
+	for (i = k = 0; i < report->maxfield; i++)
+		for (j = 0; j < report->field[i]->report_count; j++) {
+			hid_set_field(report->field[i], j, k < size ? raw_data[k] : 0);
+			k++;
+		}
+	data->pending = work;
+	usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+	spin_unlock_irqrestore(&data->lock, flags);
+	wait_for_completion_interruptible_timeout(&work->ready, HZ*2);
+	spin_lock_irqsave(&data->lock, flags);
+	data->pending = NULL;
+	spin_unlock_irqrestore(&data->lock, flags);
+	mutex_unlock(&data->mutex);
+	return work;
+}
+
+/*
+ * input class device
+ */
+static int picolcd_raw_keypad(struct picolcd_data *data,
+		struct hid_report *report, u8 *raw_data, int size)
+{
+	/*
+	 * Keypad event
+	 * First and second data bytes list currently pressed keys,
+	 * 0x00 means no key and at most 2 keys may be pressed at same time
+	 */
+	int i, j;
+
+	/* determine newly pressed keys */
+	for (i = 0; i < size; i++) {
+		unsigned int key_code;
+		if (raw_data[i] == 0)
+			continue;
+		for (j = 0; j < sizeof(data->pressed_keys); j++)
+			if (data->pressed_keys[j] == raw_data[i])
+				goto key_already_down;
+		for (j = 0; j < sizeof(data->pressed_keys); j++)
+			if (data->pressed_keys[j] == 0) {
+				data->pressed_keys[j] = raw_data[i];
+				break;
+			}
+		input_event(data->input_keys, EV_MSC, MSC_SCAN, raw_data[i]);
+		if (raw_data[i] < PICOLCD_KEYS)
+			key_code = data->keycode[raw_data[i]];
+		else
+			key_code = KEY_UNKNOWN;
+		if (key_code != KEY_UNKNOWN) {
+			dbg_hid(PICOLCD_NAME " got key press for %u:%d",
+					raw_data[i], key_code);
+			input_report_key(data->input_keys, key_code, 1);
+		}
+		input_sync(data->input_keys);
+key_already_down:
+		continue;
+	}
+
+	/* determine newly released keys */
+	for (j = 0; j < sizeof(data->pressed_keys); j++) {
+		unsigned int key_code;
+		if (data->pressed_keys[j] == 0)
+			continue;
+		for (i = 0; i < size; i++)
+			if (data->pressed_keys[j] == raw_data[i])
+				goto key_still_down;
+		input_event(data->input_keys, EV_MSC, MSC_SCAN, data->pressed_keys[j]);
+		if (data->pressed_keys[j] < PICOLCD_KEYS)
+			key_code = data->keycode[data->pressed_keys[j]];
+		else
+			key_code = KEY_UNKNOWN;
+		if (key_code != KEY_UNKNOWN) {
+			dbg_hid(PICOLCD_NAME " got key release for %u:%d",
+					data->pressed_keys[j], key_code);
+			input_report_key(data->input_keys, key_code, 0);
+		}
+		input_sync(data->input_keys);
+		data->pressed_keys[j] = 0;
+key_still_down:
+		continue;
+	}
+	return 1;
+}
+
+static int picolcd_raw_cir(struct picolcd_data *data,
+		struct hid_report *report, u8 *raw_data, int size)
+{
+	/* Need understanding of CIR data format to implement ... */
+	return 1;
+}
+
+static int picolcd_check_version(struct hid_device *hdev)
+{
+	struct picolcd_data *data = hid_get_drvdata(hdev);
+	struct picolcd_pending *verinfo;
+	int ret = 0;
+
+	if (!data)
+		return -ENODEV;
+
+	verinfo = picolcd_send_and_wait(hdev, REPORT_VERSION, NULL, 0);
+	if (!verinfo) {
+		dev_err(&hdev->dev, "no version response from PicoLCD");
+		return -ENODEV;
+	}
+
+	if (verinfo->raw_size == 2) {
+		if (data->status & PICOLCD_BOOTLOADER) {
+			dev_info(&hdev->dev, "PicoLCD, bootloader version %d.%d\n",
+					verinfo->raw_data[0], verinfo->raw_data[1]);
+			data->version[0] = verinfo->raw_data[0];
+			data->version[1] = verinfo->raw_data[1];
+		} else {
+			dev_info(&hdev->dev, "PicoLCD, firmware version %d.%d\n",
+					verinfo->raw_data[1], verinfo->raw_data[0]);
+			data->version[0] = verinfo->raw_data[1];
+			data->version[1] = verinfo->raw_data[0];
+		}
+	} else {
+		dev_err(&hdev->dev, "confused, got unexpected version response from PicoLCD\n");
+		ret = -EINVAL;
+	}
+	kfree(verinfo);
+	return ret;
+}
+
+/*
+ * Reset our device and wait for answer to VERSION request
+ */
+static int picolcd_reset(struct hid_device *hdev)
+{
+	struct picolcd_data *data = hid_get_drvdata(hdev);
+	struct hid_report *report = picolcd_out_report(REPORT_RESET, hdev);
+	unsigned long flags;
+
+	if (!data || !report || report->maxfield != 1)
+		return -ENODEV;
+
+	spin_lock_irqsave(&data->lock, flags);
+	if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER)
+		data->status |= PICOLCD_BOOTLOADER;
+
+	/* perform the reset */
+	hid_set_field(report->field[0], 0, 1);
+	usbhid_submit_report(hdev, report, USB_DIR_OUT);
+	spin_unlock_irqrestore(&data->lock, flags);
+
+	return picolcd_check_version(hdev);
+}
+
+/*
+ * The "operation_mode" sysfs attribute
+ */
+static ssize_t picolcd_operation_mode_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct picolcd_data *data = dev_get_drvdata(dev);
+
+	if (data->status & PICOLCD_BOOTLOADER)
+		return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n");
+	else
+		return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n");
+}
+
+static ssize_t picolcd_operation_mode_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct picolcd_data *data = dev_get_drvdata(dev);
+	struct hid_report *report = NULL;
+	size_t cnt = count;
+	int timeout = 5000;
+	unsigned u;
+	unsigned long flags;
+
+	if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) {
+		if (data->status & PICOLCD_BOOTLOADER)
+			report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev);
+		buf += 3;
+		cnt -= 3;
+	} else if (cnt >= 10 && strncmp("bootloader", buf, 10) == 0) {
+		if (!(data->status & PICOLCD_BOOTLOADER))
+			report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev);
+		buf += 10;
+		cnt -= 10;
+	}
+	if (!report)
+		return -EINVAL;
+
+	while (cnt > 0 && (*buf == ' ' || *buf == '\t')) {
+		buf++;
+		cnt--;
+	}
+	while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r'))
+		cnt--;
+	if (cnt > 0) {
+		if (sscanf(buf, "%u", &u) != 1)
+			return -EINVAL;
+		if (u > 30000)
+			return -EINVAL;
+		else
+			timeout = u;
+	}
+
+	spin_lock_irqsave(&data->lock, flags);
+	hid_set_field(report->field[0], 0, timeout & 0xff);
+	hid_set_field(report->field[0], 1, (timeout >> 8) & 0xff);
+	usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+	spin_unlock_irqrestore(&data->lock, flags);
+	return count;
+}
+
+static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show,
+		picolcd_operation_mode_store);
+
+
+#ifdef CONFIG_DEBUG_FS
+/*
+ * Helper code for HID report level dumping/debugging
+ */
+static const char *error_codes[] = {
+	"success", "parameter missing", "data_missing", "block readonly",
+	"block not erasable", "block too big", "section overflow",
+	"invalid command length", "invalid data length",
+};
+
+static void dump_buff_as_hex(char *dst, size_t dst_sz, const u8 *data,
+		const size_t data_len)
+{
+	int i, j;
+	for (i = j = 0; i < data_len && j + 3 < dst_sz; i++) {
+		dst[j++] = hex_asc[(data[i] >> 4) & 0x0f];
+		dst[j++] = hex_asc[data[i] & 0x0f];
+		dst[j++] = ' ';
+	}
+	if (j < dst_sz) {
+		dst[j--] = '\0';
+		dst[j] = '\n';
+	} else
+		dst[j] = '\0';
+}
+
+static void picolcd_debug_out_report(struct picolcd_data *data,
+		struct hid_device *hdev, struct hid_report *report)
+{
+	u8 raw_data[70];
+	int raw_size = (report->size >> 3) + 1;
+	char *buff;
+#define BUFF_SZ 256
+
+	/* Avoid unnecessary overhead if debugfs is disabled */
+	if (!hdev->debug_events)
+		return;
+
+	buff = kmalloc(BUFF_SZ, GFP_ATOMIC);
+	if (!buff)
+		return;
+
+	snprintf(buff, BUFF_SZ, "\nout report %d (size %d) =  ",
+			report->id, raw_size);
+	hid_debug_event(hdev, buff);
+	if (raw_size + 5 > sizeof(raw_data)) {
+		hid_debug_event(hdev, " TOO BIG\n");
+		return;
+	} else {
+		raw_data[0] = report->id;
+		hid_output_report(report, raw_data);
+		dump_buff_as_hex(buff, BUFF_SZ, raw_data, raw_size);
+		hid_debug_event(hdev, buff);
+	}
+
+	switch (report->id) {
+	case REPORT_LED_STATE:
+		/* 1 data byte with GPO state */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_LED_STATE", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tGPO state: 0x%02x\n", raw_data[1]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_BRIGHTNESS:
+		/* 1 data byte with brightness */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_BRIGHTNESS", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tBrightness: 0x%02x\n", raw_data[1]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_CONTRAST:
+		/* 1 data byte with contrast */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_CONTRAST", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tContrast: 0x%02x\n", raw_data[1]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_RESET:
+		/* 2 data bytes with reset duration in ms */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_RESET", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tDuration: 0x%02x%02x (%dms)\n",
+				raw_data[2], raw_data[1], raw_data[2] << 8 | raw_data[1]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_LCD_CMD:
+		/* 63 data bytes with LCD commands */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_LCD_CMD", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		/* TODO: format decoding */
+		break;
+	case REPORT_LCD_DATA:
+		/* 63 data bytes with LCD data */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_LCD_CMD", report->id, raw_size-1);
+		/* TODO: format decoding */
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_LCD_CMD_DATA:
+		/* 63 data bytes with LCD commands and data */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_LCD_CMD", report->id, raw_size-1);
+		/* TODO: format decoding */
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_EE_READ:
+		/* 3 data bytes with read area description */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_EE_READ", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+				raw_data[2], raw_data[1]);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_EE_WRITE:
+		/* 3+1..20 data bytes with write area description */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_EE_WRITE", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+				raw_data[2], raw_data[1]);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+		hid_debug_event(hdev, buff);
+		if (raw_data[3] == 0) {
+			snprintf(buff, BUFF_SZ, "\tNo data\n");
+		} else if (raw_data[3] + 4 <= raw_size) {
+			snprintf(buff, BUFF_SZ, "\tData: ");
+			hid_debug_event(hdev, buff);
+			dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
+		} else {
+			snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+		}
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_ERASE_MEMORY:
+	case REPORT_BL_ERASE_MEMORY:
+		/* 3 data bytes with pointer inside erase block */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_ERASE_MEMORY", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		switch (data->addr_sz) {
+		case 2:
+			snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x\n",
+					raw_data[2], raw_data[1]);
+			break;
+		case 3:
+			snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x%02x\n",
+					raw_data[3], raw_data[2], raw_data[1]);
+			break;
+		default:
+			snprintf(buff, BUFF_SZ, "\tNot supported\n");
+		}
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_READ_MEMORY:
+	case REPORT_BL_READ_MEMORY:
+		/* 4 data bytes with read area description */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_READ_MEMORY", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		switch (data->addr_sz) {
+		case 2:
+			snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+					raw_data[2], raw_data[1]);
+			hid_debug_event(hdev, buff);
+			snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+			break;
+		case 3:
+			snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n",
+					raw_data[3], raw_data[2], raw_data[1]);
+			hid_debug_event(hdev, buff);
+			snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]);
+			break;
+		default:
+			snprintf(buff, BUFF_SZ, "\tNot supported\n");
+		}
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_WRITE_MEMORY:
+	case REPORT_BL_WRITE_MEMORY:
+		/* 4+1..32 data bytes with write adrea description */
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_WRITE_MEMORY", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		switch (data->addr_sz) {
+		case 2:
+			snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+					raw_data[2], raw_data[1]);
+			hid_debug_event(hdev, buff);
+			snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+			hid_debug_event(hdev, buff);
+			if (raw_data[3] == 0) {
+				snprintf(buff, BUFF_SZ, "\tNo data\n");
+			} else if (raw_data[3] + 4 <= raw_size) {
+				snprintf(buff, BUFF_SZ, "\tData: ");
+				hid_debug_event(hdev, buff);
+				dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
+			} else {
+				snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+			}
+			break;
+		case 3:
+			snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n",
+					raw_data[3], raw_data[2], raw_data[1]);
+			hid_debug_event(hdev, buff);
+			snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]);
+			hid_debug_event(hdev, buff);
+			if (raw_data[4] == 0) {
+				snprintf(buff, BUFF_SZ, "\tNo data\n");
+			} else if (raw_data[4] + 5 <= raw_size) {
+				snprintf(buff, BUFF_SZ, "\tData: ");
+				hid_debug_event(hdev, buff);
+				dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]);
+			} else {
+				snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+			}
+			break;
+		default:
+			snprintf(buff, BUFF_SZ, "\tNot supported\n");
+		}
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_SPLASH_RESTART:
+		/* TODO */
+		break;
+	case REPORT_EXIT_KEYBOARD:
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_EXIT_KEYBOARD", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n",
+				raw_data[1] | (raw_data[2] << 8),
+				raw_data[2], raw_data[1]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_VERSION:
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_VERSION", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_DEVID:
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_DEVID", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_SPLASH_SIZE:
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_SPLASH_SIZE", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_HOOK_VERSION:
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_HOOK_VERSION", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_EXIT_FLASHER:
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"REPORT_VERSION", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n",
+				raw_data[1] | (raw_data[2] << 8),
+				raw_data[2], raw_data[1]);
+		hid_debug_event(hdev, buff);
+		break;
+	default:
+		snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+			"<unknown>", report->id, raw_size-1);
+		hid_debug_event(hdev, buff);
+		break;
+	}
+	wake_up_interruptible(&hdev->debug_wait);
+	kfree(buff);
+}
+
+static void picolcd_debug_raw_event(struct picolcd_data *data,
+		struct hid_device *hdev, struct hid_report *report,
+		u8 *raw_data, int size)
+{
+	char *buff;
+
+#define BUFF_SZ 256
+	/* Avoid unnecessary overhead if debugfs is disabled */
+	if (!hdev->debug_events)
+		return;
+
+	buff = kmalloc(BUFF_SZ, GFP_ATOMIC);
+	if (!buff)
+		return;
+
+	switch (report->id) {
+	case REPORT_ERROR_CODE:
+		/* 2 data bytes with affected report and error code */
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_ERROR_CODE", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		if (raw_data[2] < ARRAY_SIZE(error_codes))
+			snprintf(buff, BUFF_SZ, "\tError code 0x%02x (%s) in reply to report 0x%02x\n",
+					raw_data[2], error_codes[raw_data[2]], raw_data[1]);
+		else
+			snprintf(buff, BUFF_SZ, "\tError code 0x%02x in reply to report 0x%02x\n",
+					raw_data[2], raw_data[1]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_KEY_STATE:
+		/* 2 data bytes with key state */
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_KEY_STATE", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		if (raw_data[1] == 0)
+			snprintf(buff, BUFF_SZ, "\tNo key pressed\n");
+		else if (raw_data[2] == 0)
+			snprintf(buff, BUFF_SZ, "\tOne key pressed: 0x%02x (%d)\n",
+					raw_data[1], raw_data[1]);
+		else
+			snprintf(buff, BUFF_SZ, "\tTwo keys pressed: 0x%02x (%d), 0x%02x (%d)\n",
+					raw_data[1], raw_data[1], raw_data[2], raw_data[2]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_IR_DATA:
+		/* Up to 20 byes of IR scancode data */
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_IR_DATA", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		if (raw_data[1] == 0) {
+			snprintf(buff, BUFF_SZ, "\tUnexpectedly 0 data length\n");
+			hid_debug_event(hdev, buff);
+		} else if (raw_data[1] + 1 <= size) {
+			snprintf(buff, BUFF_SZ, "\tData length: %d\n\tIR Data: ",
+					raw_data[1]-1);
+			hid_debug_event(hdev, buff);
+			dump_buff_as_hex(buff, BUFF_SZ, raw_data+2, raw_data[1]-1);
+			hid_debug_event(hdev, buff);
+		} else {
+			snprintf(buff, BUFF_SZ, "\tOverflowing data length: %d\n",
+					raw_data[1]-1);
+			hid_debug_event(hdev, buff);
+		}
+		break;
+	case REPORT_EE_DATA:
+		/* Data buffer in response to REPORT_EE_READ or REPORT_EE_WRITE */
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_EE_DATA", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+				raw_data[2], raw_data[1]);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+		hid_debug_event(hdev, buff);
+		if (raw_data[3] == 0) {
+			snprintf(buff, BUFF_SZ, "\tNo data\n");
+			hid_debug_event(hdev, buff);
+		} else if (raw_data[3] + 4 <= size) {
+			snprintf(buff, BUFF_SZ, "\tData: ");
+			hid_debug_event(hdev, buff);
+			dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
+			hid_debug_event(hdev, buff);
+		} else {
+			snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+			hid_debug_event(hdev, buff);
+		}
+		break;
+	case REPORT_MEMORY:
+		/* Data buffer in response to REPORT_READ_MEMORY or REPORT_WRTIE_MEMORY */
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_MEMORY", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		switch (data->addr_sz) {
+		case 2:
+			snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+					raw_data[2], raw_data[1]);
+			hid_debug_event(hdev, buff);
+			snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+			hid_debug_event(hdev, buff);
+			if (raw_data[3] == 0) {
+				snprintf(buff, BUFF_SZ, "\tNo data\n");
+			} else if (raw_data[3] + 4 <= size) {
+				snprintf(buff, BUFF_SZ, "\tData: ");
+				hid_debug_event(hdev, buff);
+				dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
+			} else {
+				snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+			}
+			break;
+		case 3:
+			snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n",
+					raw_data[3], raw_data[2], raw_data[1]);
+			hid_debug_event(hdev, buff);
+			snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]);
+			hid_debug_event(hdev, buff);
+			if (raw_data[4] == 0) {
+				snprintf(buff, BUFF_SZ, "\tNo data\n");
+			} else if (raw_data[4] + 5 <= size) {
+				snprintf(buff, BUFF_SZ, "\tData: ");
+				hid_debug_event(hdev, buff);
+				dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]);
+			} else {
+				snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+			}
+			break;
+		default:
+			snprintf(buff, BUFF_SZ, "\tNot supported\n");
+		}
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_VERSION:
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_VERSION", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n",
+				raw_data[2], raw_data[1]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_BL_ERASE_MEMORY:
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_BL_ERASE_MEMORY", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		/* TODO */
+		break;
+	case REPORT_BL_READ_MEMORY:
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_BL_READ_MEMORY", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		/* TODO */
+		break;
+	case REPORT_BL_WRITE_MEMORY:
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_BL_WRITE_MEMORY", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		/* TODO */
+		break;
+	case REPORT_DEVID:
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_DEVID", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tSerial: 0x%02x%02x%02x%02x\n",
+				raw_data[1], raw_data[2], raw_data[3], raw_data[4]);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tType: 0x%02x\n",
+				raw_data[5]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_SPLASH_SIZE:
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_SPLASH_SIZE", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tTotal splash space: %d\n",
+				(raw_data[2] << 8) | raw_data[1]);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tUsed splash space: %d\n",
+				(raw_data[4] << 8) | raw_data[3]);
+		hid_debug_event(hdev, buff);
+		break;
+	case REPORT_HOOK_VERSION:
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"REPORT_HOOK_VERSION", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n",
+				raw_data[1], raw_data[2]);
+		hid_debug_event(hdev, buff);
+		break;
+	default:
+		snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+			"<unknown>", report->id, size-1);
+		hid_debug_event(hdev, buff);
+		break;
+	}
+	wake_up_interruptible(&hdev->debug_wait);
+	kfree(buff);
+}
+#else
+#define picolcd_debug_raw_event(data, hdev, report, raw_data, size)
+#endif
+
+/*
+ * Handle raw report as sent by device
+ */
+static int picolcd_raw_event(struct hid_device *hdev,
+		struct hid_report *report, u8 *raw_data, int size)
+{
+	struct picolcd_data *data = hid_get_drvdata(hdev);
+	unsigned long flags;
+	int ret = 0;
+
+	if (!data)
+		return 1;
+
+	if (report->id == REPORT_KEY_STATE) {
+		if (data->input_keys)
+			ret = picolcd_raw_keypad(data, report, raw_data+1, size-1);
+	} else if (report->id == REPORT_IR_DATA) {
+		if (data->input_cir)
+			ret = picolcd_raw_cir(data, report, raw_data+1, size-1);
+	} else {
+		spin_lock_irqsave(&data->lock, flags);
+		/*
+		 * We let the caller of picolcd_send_and_wait() check if the
+		 * report we got is one of the expected ones or not.
+		 */
+		if (data->pending) {
+			memcpy(data->pending->raw_data, raw_data+1, size-1);
+			data->pending->raw_size  = size-1;
+			data->pending->in_report = report;
+			complete(&data->pending->ready);
+		}
+		spin_unlock_irqrestore(&data->lock, flags);
+	}
+
+	picolcd_debug_raw_event(data, hdev, report, raw_data, size);
+	return 1;
+}
+
+/* initialize keypad input device */
+static int picolcd_init_keys(struct picolcd_data *data,
+		struct hid_report *report)
+{
+	struct hid_device *hdev = data->hdev;
+	struct input_dev *idev;
+	int error, i;
+
+	if (!report)
+		return -ENODEV;
+	if (report->maxfield != 1 || report->field[0]->report_count != 2 ||
+			report->field[0]->report_size != 8) {
+		dev_err(&hdev->dev, "unsupported KEY_STATE report");
+		return -EINVAL;
+	}
+
+	idev = input_allocate_device();
+	if (idev == NULL) {
+		dev_err(&hdev->dev, "failed to allocate input device");
+		return -ENOMEM;
+	}
+	input_set_drvdata(idev, hdev);
+	memcpy(data->keycode, def_keymap, sizeof(def_keymap));
+	idev->name = hdev->name;
+	idev->phys = hdev->phys;
+	idev->uniq = hdev->uniq;
+	idev->id.bustype = hdev->bus;
+	idev->id.vendor  = hdev->vendor;
+	idev->id.product = hdev->product;
+	idev->id.version = hdev->version;
+	idev->dev.parent = hdev->dev.parent;
+	idev->keycode     = &data->keycode;
+	idev->keycodemax  = PICOLCD_KEYS;
+	idev->keycodesize = sizeof(data->keycode[0]);
+	input_set_capability(idev, EV_MSC, MSC_SCAN);
+	set_bit(EV_REP, idev->evbit);
+	for (i = 0; i < PICOLCD_KEYS; i++)
+		input_set_capability(idev, EV_KEY, data->keycode[i]);
+	error = input_register_device(idev);
+	if (error) {
+		dev_err(&hdev->dev, "error registering the input device");
+		input_free_device(idev);
+		return error;
+	}
+	data->input_keys = idev;
+	return 0;
+}
+
+static void picolcd_exit_keys(struct picolcd_data *data)
+{
+	struct input_dev *idev = data->input_keys;
+
+	data->input_keys = NULL;
+	if (idev)
+		input_unregister_device(idev);
+}
+
+/* initialize CIR input device */
+static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
+{
+	/* support not implemented yet */
+	return 0;
+}
+
+static inline void picolcd_exit_cir(struct picolcd_data *data)
+{
+}
+
+static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
+{
+	struct hid_report *report;
+	int error;
+
+	error = picolcd_check_version(hdev);
+	if (error)
+		return error;
+
+	if (data->version[0] != 0 && data->version[1] != 3)
+		dev_info(&hdev->dev, "Device with untested firmware revision, "
+				"please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n",
+				dev_name(&hdev->dev));
+
+	/* Setup keypad input device */
+	error = picolcd_init_keys(data, picolcd_in_report(REPORT_KEY_STATE, hdev));
+	if (error)
+		goto err;
+
+	/* Setup CIR input device */
+	error = picolcd_init_cir(data, picolcd_in_report(REPORT_IR_DATA, hdev));
+	if (error)
+		goto err;
+
+#ifdef CONFIG_DEBUG_FS
+	report = picolcd_out_report(REPORT_READ_MEMORY, hdev);
+	if (report && report->maxfield == 1 && report->field[0]->report_size == 8)
+		data->addr_sz = report->field[0]->report_count - 1;
+	else
+		data->addr_sz = -1;
+#endif
+	return 0;
+err:
+	picolcd_exit_cir(data);
+	picolcd_exit_keys(data);
+	return error;
+}
+
+static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data *data)
+{
+	struct hid_report *report;
+	int error;
+
+	error = picolcd_check_version(hdev);
+	if (error)
+		return error;
+
+	if (data->version[0] != 1 && data->version[1] != 0)
+		dev_info(&hdev->dev, "Device with untested bootloader revision, "
+				"please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n",
+				dev_name(&hdev->dev));
+
+#ifdef CONFIG_DEBUG_FS
+	report = picolcd_out_report(REPORT_BL_READ_MEMORY, hdev);
+	if (report && report->maxfield == 1 && report->field[0]->report_size == 8)
+		data->addr_sz = report->field[0]->report_count - 1;
+	else
+		data->addr_sz = -1;
+#endif
+	return 0;
+}
+
+static int picolcd_probe(struct hid_device *hdev,
+		     const struct hid_device_id *id)
+{
+	struct picolcd_data *data;
+	int error = -ENOMEM;
+
+	dbg_hid(PICOLCD_NAME " hardware probe...\n");
+
+	/*
+	 * Let's allocate the picolcd data structure, set some reasonable
+	 * defaults, and associate it with the device
+	 */
+	data = kzalloc(sizeof(struct picolcd_data), GFP_KERNEL);
+	if (data == NULL) {
+		dev_err(&hdev->dev, "can't allocate space for Minibox PicoLCD device data\n");
+		error = -ENOMEM;
+		goto err_no_cleanup;
+	}
+
+	spin_lock_init(&data->lock);
+	mutex_init(&data->mutex);
+	data->hdev = hdev;
+	if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER)
+		data->status |= PICOLCD_BOOTLOADER;
+	hid_set_drvdata(hdev, data);
+
+	/* Parse the device reports and start it up */
+	error = hid_parse(hdev);
+	if (error) {
+		dev_err(&hdev->dev, "device report parse failed\n");
+		goto err_cleanup_data;
+	}
+
+	/* We don't use hidinput but hid_hw_start() fails if nothing is
+	 * claimed. So spoof claimed input. */
+	hdev->claimed = HID_CLAIMED_INPUT;
+	error = hid_hw_start(hdev, 0);
+	hdev->claimed = 0;
+	if (error) {
+		dev_err(&hdev->dev, "hardware start failed\n");
+		goto err_cleanup_data;
+	}
+
+	error = hdev->ll_driver->open(hdev);
+	if (error) {
+		dev_err(&hdev->dev, "failed to open input interrupt pipe for key and IR events\n");
+		goto err_cleanup_hid_hw;
+	}
+
+	error = device_create_file(&hdev->dev, &dev_attr_operation_mode);
+	if (error) {
+		dev_err(&hdev->dev, "failed to create sysfs attributes\n");
+		goto err_cleanup_hid_ll;
+	}
+
+	if (data->status & PICOLCD_BOOTLOADER)
+		error = picolcd_probe_bootloader(hdev, data);
+	else
+		error = picolcd_probe_lcd(hdev, data);
+	if (error)
+		goto err_cleanup_sysfs;
+
+	dbg_hid(PICOLCD_NAME " activated and initialized\n");
+	return 0;
+
+err_cleanup_sysfs:
+	device_remove_file(&hdev->dev, &dev_attr_operation_mode);
+err_cleanup_hid_ll:
+	hdev->ll_driver->close(hdev);
+err_cleanup_hid_hw:
+	hid_hw_stop(hdev);
+err_cleanup_data:
+	kfree(data);
+err_no_cleanup:
+	hid_set_drvdata(hdev, NULL);
+
+	return error;
+}
+
+static void picolcd_remove(struct hid_device *hdev)
+{
+	struct picolcd_data *data = hid_get_drvdata(hdev);
+	unsigned long flags;
+
+	dbg_hid(PICOLCD_NAME " hardware remove...\n");
+	spin_lock_irqsave(&data->lock, flags);
+	data->status |= PICOLCD_FAILED;
+	spin_unlock_irqrestore(&data->lock, flags);
+
+	device_remove_file(&hdev->dev, &dev_attr_operation_mode);
+	hdev->ll_driver->close(hdev);
+	hid_hw_stop(hdev);
+	hid_set_drvdata(hdev, NULL);
+
+	/* Shortcut potential pending reply that will never arrive */
+	spin_lock_irqsave(&data->lock, flags);
+	if (data->pending)
+		complete(&data->pending->ready);
+	spin_unlock_irqrestore(&data->lock, flags);
+
+	/* Cleanup input */
+	picolcd_exit_cir(data);
+	picolcd_exit_keys(data);
+
+	mutex_destroy(&data->mutex);
+	/* Finally, clean up the picolcd data itself */
+	kfree(data);
+}
+
+static const struct hid_device_id picolcd_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, picolcd_devices);
+
+static struct hid_driver picolcd_driver = {
+	.name =          "hid-picolcd",
+	.id_table =      picolcd_devices,
+	.probe =         picolcd_probe,
+	.remove =        picolcd_remove,
+	.raw_event =     picolcd_raw_event,
+};
+
+static int __init picolcd_init(void)
+{
+	return hid_register_driver(&picolcd_driver);
+}
+
+static void __exit picolcd_exit(void)
+{
+	hid_unregister_driver(&picolcd_driver);
+}
+
+module_init(picolcd_init);
+module_exit(picolcd_exit);
+MODULE_DESCRIPTION("Minibox graphics PicoLCD Driver");
+MODULE_LICENSE("GPL v2");

From b8c21cf697d165999cc21a90e6caa73690ac6190 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Tue, 30 Mar 2010 22:34:30 +0200
Subject: [PATCH 0157/3638] HID: add framebuffer support to PicoLCD device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add framebuffer support to PicoLCD device with use of deferred-io.

Only changed areas of framebuffer get sent to device in order to
save USB bandwidth and especially resources on PicoLCD device or
allow higher refresh rate for a small area. Changed tiles are
determined while updating shadow framebuffer.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 .../ABI/testing/sysfs-driver-hid-picolcd      |  17 +
 drivers/hid/Kconfig                           |   7 +-
 drivers/hid/hid-picolcd.c                     | 567 +++++++++++++++++-
 drivers/hid/usbhid/hid-core.c                 |   1 +
 4 files changed, 590 insertions(+), 2 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-picolcd b/Documentation/ABI/testing/sysfs-driver-hid-picolcd
index 6fb4f21469f..14f52d70621 100644
--- a/Documentation/ABI/testing/sysfs-driver-hid-picolcd
+++ b/Documentation/ABI/testing/sysfs-driver-hid-picolcd
@@ -15,3 +15,20 @@ Description:	Make it possible to switch the PicoLCD device between LCD
 		disconnected and reconnects after above delay (default value
 		is 5 seconds though this default should not be relied on).
 
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/fb_update_rate
+Date:		March 2010
+Contact:	Bruno Prémont <bonbons@linux-vserver.org>
+Description:	Make it possible to adjust defio refresh rate.
+
+		Reading: returns list of available refresh rates (expressed in Hz),
+		the active refresh rate being enclosed in brackets ('[' and ']')
+
+		Writing: accepts new refresh rate expressed in integer Hz
+		within permitted rates.
+
+		Note: As device can barely do 2 complete refreshes a second
+		it only makes sense to adjust this value if only one or two
+		tiles get changed and it's not appropriate to expect the application
+		to flush it's tiny changes explicitely at higher than default rate.
+
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 138ba6a277e..a813ea9c792 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -265,6 +265,11 @@ config HID_PETALYNX
 config HID_PICOLCD
 	tristate "PicoLCD (graphic version)"
 	depends on USB_HID
+	select FB_DEFERRED_IO if FB
+	select FB_SYS_FILLRECT if FB
+	select FB_SYS_COPYAREA if FB
+	select FB_SYS_IMAGEBLIT if FB
+	select FB_SYS_FOPS if FB
 	---help---
 	  This provides support for Minibox PicoLCD devices, currently
 	  only the graphical ones are supported.
@@ -272,8 +277,8 @@ config HID_PICOLCD
 	  This includes support for the following device features:
 	  - Keypad
 	  - Switching between Firmware and Flash mode
-	  Features that are not (yet) supported:
 	  - Framebuffer for monochrome 256x64 display
+	  Features that are not (yet) supported:
 	  - Backlight control
 	  - Contrast control
 	  - IR
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index c7855f38889..e14464789e1 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -24,6 +24,9 @@
 #include "usbhid/usbhid.h"
 #include <linux/usb.h>
 
+#include <linux/fb.h>
+#include <linux/vmalloc.h>
+
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
 
@@ -69,6 +72,59 @@
 #define REPORT_HOOK_VERSION    0xf7 /* LCD: IN[2], OUT[1]   */
 #define REPORT_EXIT_FLASHER    0xff /*                      Bootloader: OUT[2]         */
 
+#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+/* Framebuffer
+ *
+ * The PicoLCD use a Topway LCD module of 256x64 pixel
+ * This display area is tiled over 4 controllers with 8 tiles
+ * each. Each tile has 8x64 pixel, each data byte representing
+ * a 1-bit wide vertical line of the tile.
+ *
+ * The display can be updated at a tile granularity.
+ *
+ *       Chip 1           Chip 2           Chip 3           Chip 4
+ * +----------------+----------------+----------------+----------------+
+ * |     Tile 1     |     Tile 1     |     Tile 1     |     Tile 1     |
+ * +----------------+----------------+----------------+----------------+
+ * |     Tile 2     |     Tile 2     |     Tile 2     |     Tile 2     |
+ * +----------------+----------------+----------------+----------------+
+ *                                  ...
+ * +----------------+----------------+----------------+----------------+
+ * |     Tile 8     |     Tile 8     |     Tile 8     |     Tile 8     |
+ * +----------------+----------------+----------------+----------------+
+ */
+#define PICOLCDFB_NAME "picolcdfb"
+#define PICOLCDFB_WIDTH (256)
+#define PICOLCDFB_HEIGHT (64)
+#define PICOLCDFB_SIZE (PICOLCDFB_WIDTH * PICOLCDFB_HEIGHT / 8)
+
+#define PICOLCDFB_UPDATE_RATE_LIMIT   10
+#define PICOLCDFB_UPDATE_RATE_DEFAULT  2
+
+/* Framebuffer visual structures */
+static const struct fb_fix_screeninfo picolcdfb_fix = {
+	.id          = PICOLCDFB_NAME,
+	.type        = FB_TYPE_PACKED_PIXELS,
+	.visual      = FB_VISUAL_MONO01,
+	.xpanstep    = 0,
+	.ypanstep    = 0,
+	.ywrapstep   = 0,
+	.line_length = PICOLCDFB_WIDTH / 8,
+	.accel       = FB_ACCEL_NONE,
+};
+
+static const struct fb_var_screeninfo picolcdfb_var = {
+	.xres           = PICOLCDFB_WIDTH,
+	.yres           = PICOLCDFB_HEIGHT,
+	.xres_virtual   = PICOLCDFB_WIDTH,
+	.yres_virtual   = PICOLCDFB_HEIGHT,
+	.width          = 103,
+	.height         = 26,
+	.bits_per_pixel = 1,
+	.grayscale      = 1,
+};
+#endif /* CONFIG_FB */
+
 /* Input device
  *
  * The PicoLCD has an IR receiver header, a built-in keypad with 5 keys
@@ -118,6 +174,16 @@ struct picolcd_data {
 	struct input_dev *input_cir;
 	unsigned short keycode[PICOLCD_KEYS];
 
+#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+	/* Framebuffer stuff */
+	u8 fb_update_rate;
+	u8 fb_bpp;
+	u8 *fb_vbitmap;		/* local copy of what was sent to PicoLCD */
+	u8 *fb_bitmap;		/* framebuffer */
+	struct fb_info *fb_info;
+	struct fb_deferred_io fb_defio;
+#endif /* CONFIG_FB */
+
 	/* Housekeeping stuff */
 	spinlock_t lock;
 	struct mutex mutex;
@@ -125,6 +191,7 @@ struct picolcd_data {
 	int status;
 #define PICOLCD_BOOTLOADER 1
 #define PICOLCD_FAILED 2
+#define PICOLCD_READY_FB 4
 };
 
 
@@ -197,6 +264,486 @@ static struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev,
 	return work;
 }
 
+#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+/* Send a given tile to PicoLCD */
+static int picolcd_fb_send_tile(struct hid_device *hdev, int chip, int tile)
+{
+	struct picolcd_data *data = hid_get_drvdata(hdev);
+	struct hid_report *report1 = picolcd_out_report(REPORT_LCD_CMD_DATA, hdev);
+	struct hid_report *report2 = picolcd_out_report(REPORT_LCD_DATA, hdev);
+	unsigned long flags;
+	u8 *tdata;
+	int i;
+
+	if (!report1 || report1->maxfield != 1 || !report2 || report2->maxfield != 1)
+		return -ENODEV;
+
+	spin_lock_irqsave(&data->lock, flags);
+	hid_set_field(report1->field[0],  0, chip << 2);
+	hid_set_field(report1->field[0],  1, 0x02);
+	hid_set_field(report1->field[0],  2, 0x00);
+	hid_set_field(report1->field[0],  3, 0x00);
+	hid_set_field(report1->field[0],  4, 0xb8 | tile);
+	hid_set_field(report1->field[0],  5, 0x00);
+	hid_set_field(report1->field[0],  6, 0x00);
+	hid_set_field(report1->field[0],  7, 0x40);
+	hid_set_field(report1->field[0],  8, 0x00);
+	hid_set_field(report1->field[0],  9, 0x00);
+	hid_set_field(report1->field[0], 10,   32);
+
+	hid_set_field(report2->field[0],  0, (chip << 2) | 0x01);
+	hid_set_field(report2->field[0],  1, 0x00);
+	hid_set_field(report2->field[0],  2, 0x00);
+	hid_set_field(report2->field[0],  3,   32);
+
+	tdata = data->fb_vbitmap + (tile * 4 + chip) * 64;
+	for (i = 0; i < 64; i++)
+		if (i < 32)
+			hid_set_field(report1->field[0], 11 + i, tdata[i]);
+		else
+			hid_set_field(report2->field[0], 4 + i - 32, tdata[i]);
+
+	usbhid_submit_report(data->hdev, report1, USB_DIR_OUT);
+	usbhid_submit_report(data->hdev, report2, USB_DIR_OUT);
+	spin_unlock_irqrestore(&data->lock, flags);
+	return 0;
+}
+
+/* Translate a single tile*/
+static int picolcd_fb_update_tile(u8 *vbitmap, const u8 *bitmap, int bpp,
+		int chip, int tile)
+{
+	int i, b, changed = 0;
+	u8 tdata[64];
+	u8 *vdata = vbitmap + (tile * 4 + chip) * 64;
+
+	if (bpp == 1) {
+		for (b = 7; b >= 0; b--) {
+			const u8 *bdata = bitmap + tile * 256 + chip * 8 + b * 32;
+			for (i = 0; i < 64; i++) {
+				tdata[i] <<= 1;
+				tdata[i] |= (bdata[i/8] >> (7 - i % 8)) & 0x01;
+			}
+		}
+	} else if (bpp == 8) {
+		for (b = 7; b >= 0; b--) {
+			const u8 *bdata = bitmap + (tile * 256 + chip * 8 + b * 32) * 8;
+			for (i = 0; i < 64; i++) {
+				tdata[i] <<= 1;
+				tdata[i] |= (bdata[i] & 0x80) ? 0x01 : 0x00;
+			}
+		}
+	} else {
+		/* Oops, we should never get here! */
+		WARN_ON(1);
+		return 0;
+	}
+
+	for (i = 0; i < 64; i++)
+		if (tdata[i] != vdata[i]) {
+			changed = 1;
+			vdata[i] = tdata[i];
+		}
+	return changed;
+}
+
+/* Reconfigure LCD display */
+static int picolcd_fb_reset(struct picolcd_data *data, int clear)
+{
+	struct hid_report *report = picolcd_out_report(REPORT_LCD_CMD, data->hdev);
+	int i, j;
+	unsigned long flags;
+	static const u8 mapcmd[8] = { 0x00, 0x02, 0x00, 0x64, 0x3f, 0x00, 0x64, 0xc0 };
+
+	if (!report || report->maxfield != 1)
+		return -ENODEV;
+
+	spin_lock_irqsave(&data->lock, flags);
+	for (i = 0; i < 4; i++) {
+		for (j = 0; j < report->field[0]->maxusage; j++)
+			if (j == 0)
+				hid_set_field(report->field[0], j, i << 2);
+			else if (j < sizeof(mapcmd))
+				hid_set_field(report->field[0], j, mapcmd[j]);
+			else
+				hid_set_field(report->field[0], j, 0);
+		usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+	}
+
+	data->status |= PICOLCD_READY_FB;
+	spin_unlock_irqrestore(&data->lock, flags);
+
+	if (data->fb_bitmap) {
+		if (clear) {
+			memset(data->fb_vbitmap, 0xff, PICOLCDFB_SIZE);
+			memset(data->fb_bitmap, 0, PICOLCDFB_SIZE*data->fb_bpp);
+		} else {
+			/* invert 1 byte in each tile to force resend */
+			for (i = 0; i < PICOLCDFB_SIZE; i += 64)
+				data->fb_vbitmap[i] = ~data->fb_vbitmap[i];
+		}
+	}
+
+	/* schedule first output of framebuffer */
+	if (data->fb_info)
+		schedule_delayed_work(&data->fb_info->deferred_work, 0);
+
+	return 0;
+}
+
+/* Update fb_vbitmap from the screen_base and send changed tiles to device */
+static void picolcd_fb_update(struct picolcd_data *data)
+{
+	int chip, tile, n;
+	unsigned long flags;
+
+	spin_lock_irqsave(&data->lock, flags);
+	if (!(data->status & PICOLCD_READY_FB)) {
+		spin_unlock_irqrestore(&data->lock, flags);
+		picolcd_fb_reset(data, 0);
+	} else {
+		spin_unlock_irqrestore(&data->lock, flags);
+	}
+
+	/*
+	 * Translate the framebuffer into the format needed by the PicoLCD.
+	 * See display layout above.
+	 * Do this one tile after the other and push those tiles that changed.
+	 *
+	 * Wait for our IO to complete as otherwise we might flood the queue!
+	 */
+	n = 0;
+	for (chip = 0; chip < 4; chip++)
+		for (tile = 0; tile < 8; tile++)
+			if (picolcd_fb_update_tile(data->fb_vbitmap,
+					data->fb_bitmap, data->fb_bpp, chip, tile)) {
+				n += 2;
+				if (n >= HID_OUTPUT_FIFO_SIZE / 2) {
+					usbhid_wait_io(data->hdev);
+					n = 0;
+				}
+				picolcd_fb_send_tile(data->hdev, chip, tile);
+			}
+	if (n)
+		usbhid_wait_io(data->hdev);
+}
+
+/* Stub to call the system default and update the image on the picoLCD */
+static void picolcd_fb_fillrect(struct fb_info *info,
+		const struct fb_fillrect *rect)
+{
+	if (!info->par)
+		return;
+	sys_fillrect(info, rect);
+
+	schedule_delayed_work(&info->deferred_work, 0);
+}
+
+/* Stub to call the system default and update the image on the picoLCD */
+static void picolcd_fb_copyarea(struct fb_info *info,
+		const struct fb_copyarea *area)
+{
+	if (!info->par)
+		return;
+	sys_copyarea(info, area);
+
+	schedule_delayed_work(&info->deferred_work, 0);
+}
+
+/* Stub to call the system default and update the image on the picoLCD */
+static void picolcd_fb_imageblit(struct fb_info *info, const struct fb_image *image)
+{
+	if (!info->par)
+		return;
+	sys_imageblit(info, image);
+
+	schedule_delayed_work(&info->deferred_work, 0);
+}
+
+/*
+ * this is the slow path from userspace. they can seek and write to
+ * the fb. it's inefficient to do anything less than a full screen draw
+ */
+static ssize_t picolcd_fb_write(struct fb_info *info, const char __user *buf,
+		size_t count, loff_t *ppos)
+{
+	ssize_t ret;
+	if (!info->par)
+		return -ENODEV;
+	ret = fb_sys_write(info, buf, count, ppos);
+	if (ret >= 0)
+		schedule_delayed_work(&info->deferred_work, 0);
+	return ret;
+}
+
+static int picolcd_fb_blank(int blank, struct fb_info *info)
+{
+	if (!info->par)
+		return -ENODEV;
+	/* We let fb notification do this for us via lcd/backlight device */
+	return 0;
+}
+
+static void picolcd_fb_destroy(struct fb_info *info)
+{
+	struct picolcd_data *data = info->par;
+	info->par = NULL;
+	if (data)
+		data->fb_info = NULL;
+	fb_deferred_io_cleanup(info);
+	framebuffer_release(info);
+}
+
+static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+	__u32 bpp      = var->bits_per_pixel;
+	__u32 activate = var->activate;
+
+	/* only allow 1/8 bit depth (8-bit is grayscale) */
+	*var = picolcdfb_var;
+	var->activate = activate;
+	if (bpp >= 8)
+		var->bits_per_pixel = 8;
+	else
+		var->bits_per_pixel = 1;
+	return 0;
+}
+
+static int picolcd_set_par(struct fb_info *info)
+{
+	struct picolcd_data *data = info->par;
+	u8 *o_fb, *n_fb;
+	if (info->var.bits_per_pixel == data->fb_bpp)
+		return 0;
+	/* switch between 1/8 bit depths */
+	if (info->var.bits_per_pixel != 1 && info->var.bits_per_pixel != 8)
+		return -EINVAL;
+
+	o_fb = data->fb_bitmap;
+	n_fb = vmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel);
+	if (!n_fb)
+		return -ENOMEM;
+
+	fb_deferred_io_cleanup(info);
+	/* translate FB content to new bits-per-pixel */
+	if (info->var.bits_per_pixel == 1) {
+		int i, b;
+		for (i = 0; i < PICOLCDFB_SIZE; i++) {
+			u8 p = 0;
+			for (b = 0; b < 8; b++) {
+				p <<= 1;
+				p |= o_fb[i*8+b] ? 0x01 : 0x00;
+			}
+		}
+		info->fix.visual = FB_VISUAL_MONO01;
+		info->fix.line_length = PICOLCDFB_WIDTH / 8;
+	} else {
+		int i;
+		for (i = 0; i < PICOLCDFB_SIZE * 8; i++)
+			n_fb[i] = o_fb[i/8] & (0x01 << (7 - i % 8)) ? 0xff : 0x00;
+		info->fix.visual = FB_VISUAL_TRUECOLOR;
+		info->fix.line_length = PICOLCDFB_WIDTH;
+	}
+
+	data->fb_bitmap   = n_fb;
+	data->fb_bpp      = info->var.bits_per_pixel;
+	info->screen_base = (char __force __iomem *)n_fb;
+	info->fix.smem_start = (unsigned long)n_fb;
+	info->fix.smem_len   = PICOLCDFB_SIZE*data->fb_bpp;
+	fb_deferred_io_init(info);
+	vfree(o_fb);
+	return 0;
+}
+
+/* Note this can't be const because of struct fb_info definition */
+static struct fb_ops picolcdfb_ops = {
+	.owner        = THIS_MODULE,
+	.fb_destroy   = picolcd_fb_destroy,
+	.fb_read      = fb_sys_read,
+	.fb_write     = picolcd_fb_write,
+	.fb_blank     = picolcd_fb_blank,
+	.fb_fillrect  = picolcd_fb_fillrect,
+	.fb_copyarea  = picolcd_fb_copyarea,
+	.fb_imageblit = picolcd_fb_imageblit,
+	.fb_check_var = picolcd_fb_check_var,
+	.fb_set_par   = picolcd_set_par,
+};
+
+
+/* Callback from deferred IO workqueue */
+static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagelist)
+{
+	picolcd_fb_update(info->par);
+}
+
+static const struct fb_deferred_io picolcd_fb_defio = {
+	.delay = HZ / PICOLCDFB_UPDATE_RATE_DEFAULT,
+	.deferred_io = picolcd_fb_deferred_io,
+};
+
+
+/*
+ * The "fb_update_rate" sysfs attribute
+ */
+static ssize_t picolcd_fb_update_rate_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct picolcd_data *data = dev_get_drvdata(dev);
+	unsigned i, fb_update_rate = data->fb_update_rate;
+	size_t ret = 0;
+
+	for (i = 1; i <= PICOLCDFB_UPDATE_RATE_LIMIT; i++)
+		if (ret >= PAGE_SIZE)
+			break;
+		else if (i == fb_update_rate)
+			ret += snprintf(buf+ret, PAGE_SIZE-ret, "[%u] ", i);
+		else
+			ret += snprintf(buf+ret, PAGE_SIZE-ret, "%u ", i);
+	if (ret > 0)
+		buf[min(ret, (size_t)PAGE_SIZE)-1] = '\n';
+	return ret;
+}
+
+static ssize_t picolcd_fb_update_rate_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct picolcd_data *data = dev_get_drvdata(dev);
+	int i;
+	unsigned u;
+
+	if (count < 1 || count > 10)
+		return -EINVAL;
+
+	i = sscanf(buf, "%u", &u);
+	if (i != 1)
+		return -EINVAL;
+
+	if (u > PICOLCDFB_UPDATE_RATE_LIMIT)
+		return -ERANGE;
+	else if (u == 0)
+		u = PICOLCDFB_UPDATE_RATE_DEFAULT;
+
+	data->fb_update_rate = u;
+	data->fb_defio.delay = HZ / data->fb_update_rate;
+	return count;
+}
+
+static DEVICE_ATTR(fb_update_rate, 0666, picolcd_fb_update_rate_show,
+		picolcd_fb_update_rate_store);
+
+/* initialize Framebuffer device */
+static int picolcd_init_framebuffer(struct picolcd_data *data)
+{
+	struct device *dev = &data->hdev->dev;
+	struct fb_info *info = NULL;
+	int error = -ENOMEM;
+	u8 *fb_vbitmap = NULL;
+	u8 *fb_bitmap  = NULL;
+
+	fb_bitmap = vmalloc(PICOLCDFB_SIZE*picolcdfb_var.bits_per_pixel);
+	if (fb_bitmap == NULL) {
+		dev_err(dev, "can't get a free page for framebuffer\n");
+		goto err_nomem;
+	}
+
+	fb_vbitmap = kmalloc(PICOLCDFB_SIZE, GFP_KERNEL);
+	if (fb_vbitmap == NULL) {
+		dev_err(dev, "can't alloc vbitmap image buffer\n");
+		goto err_nomem;
+	}
+
+	data->fb_update_rate = PICOLCDFB_UPDATE_RATE_DEFAULT;
+	data->fb_defio = picolcd_fb_defio;
+	info = framebuffer_alloc(0, dev);
+	if (info == NULL) {
+		dev_err(dev, "failed to allocate a framebuffer\n");
+		goto err_nomem;
+	}
+
+	info->fbdefio = &data->fb_defio;
+	info->screen_base = (char __force __iomem *)fb_bitmap;
+	info->fbops = &picolcdfb_ops;
+	info->var = picolcdfb_var;
+	info->fix = picolcdfb_fix;
+	info->fix.smem_len   = PICOLCDFB_SIZE;
+	info->fix.smem_start = (unsigned long)fb_bitmap;
+	info->par = data;
+	info->flags = FBINFO_FLAG_DEFAULT;
+
+	data->fb_vbitmap = fb_vbitmap;
+	data->fb_bitmap  = fb_bitmap;
+	data->fb_bpp     = picolcdfb_var.bits_per_pixel;
+	error = picolcd_fb_reset(data, 1);
+	if (error) {
+		dev_err(dev, "failed to configure display\n");
+		goto err_cleanup;
+	}
+	error = device_create_file(dev, &dev_attr_fb_update_rate);
+	if (error) {
+		dev_err(dev, "failed to create sysfs attributes\n");
+		goto err_cleanup;
+	}
+	data->fb_info    = info;
+	error = register_framebuffer(info);
+	if (error) {
+		dev_err(dev, "failed to register framebuffer\n");
+		goto err_sysfs;
+	}
+	fb_deferred_io_init(info);
+	/* schedule first output of framebuffer */
+	schedule_delayed_work(&info->deferred_work, 0);
+	return 0;
+
+err_sysfs:
+	device_remove_file(dev, &dev_attr_fb_update_rate);
+err_cleanup:
+	data->fb_vbitmap = NULL;
+	data->fb_bitmap  = NULL;
+	data->fb_bpp     = 0;
+	data->fb_info    = NULL;
+
+err_nomem:
+	framebuffer_release(info);
+	vfree(fb_bitmap);
+	kfree(fb_vbitmap);
+	return error;
+}
+
+static void picolcd_exit_framebuffer(struct picolcd_data *data)
+{
+	struct fb_info *info = data->fb_info;
+	u8 *fb_vbitmap = data->fb_vbitmap;
+	u8 *fb_bitmap  = data->fb_bitmap;
+
+	if (!info)
+		return;
+
+	data->fb_vbitmap = NULL;
+	data->fb_bitmap  = NULL;
+	data->fb_bpp     = 0;
+	data->fb_info    = NULL;
+	device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate);
+	fb_deferred_io_cleanup(info);
+	unregister_framebuffer(info);
+	vfree(fb_bitmap);
+	kfree(fb_vbitmap);
+}
+
+
+#else
+static inline int picolcd_fb_reset(struct picolcd_data *data, int clear)
+{
+	return 0;
+}
+static inline int picolcd_init_framebuffer(struct picolcd_data *data)
+{
+	return 0;
+}
+static void picolcd_exit_framebuffer(struct picolcd_data *data)
+{
+}
+#endif /* CONFIG_FB */
+
 /*
  * input class device
  */
@@ -314,6 +861,7 @@ static int picolcd_reset(struct hid_device *hdev)
 	struct picolcd_data *data = hid_get_drvdata(hdev);
 	struct hid_report *report = picolcd_out_report(REPORT_RESET, hdev);
 	unsigned long flags;
+	int error;
 
 	if (!data || !report || report->maxfield != 1)
 		return -ENODEV;
@@ -327,7 +875,16 @@ static int picolcd_reset(struct hid_device *hdev)
 	usbhid_submit_report(hdev, report, USB_DIR_OUT);
 	spin_unlock_irqrestore(&data->lock, flags);
 
-	return picolcd_check_version(hdev);
+	error = picolcd_check_version(hdev);
+	if (error)
+		return error;
+
+#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+	if (data->fb_info)
+		schedule_delayed_work(&data->fb_info->deferred_work, 0);
+#endif /* CONFIG_FB */
+
+	return 0;
 }
 
 /*
@@ -1005,6 +1562,11 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 	if (error)
 		goto err;
 
+	/* Set up the framebuffer device */
+	error = picolcd_init_framebuffer(data);
+	if (error)
+		goto err;
+
 #ifdef CONFIG_DEBUG_FS
 	report = picolcd_out_report(REPORT_READ_MEMORY, hdev);
 	if (report && report->maxfield == 1 && report->field[0]->report_size == 8)
@@ -1014,6 +1576,7 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 #endif
 	return 0;
 err:
+	picolcd_exit_framebuffer(data);
 	picolcd_exit_cir(data);
 	picolcd_exit_keys(data);
 	return error;
@@ -1143,6 +1706,8 @@ static void picolcd_remove(struct hid_device *hdev)
 		complete(&data->pending->ready);
 	spin_unlock_irqrestore(&data->lock, flags);
 
+	/* Clean up the framebuffer */
+	picolcd_exit_framebuffer(data);
 	/* Cleanup input */
 	picolcd_exit_cir(data);
 	picolcd_exit_keys(data);
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 56d06cd8075..3e7909b0f12 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -623,6 +623,7 @@ int usbhid_wait_io(struct hid_device *hid)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(usbhid_wait_io);
 
 static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
 {

From f1c21761408c968ed1deb8f54fd60be9471999c1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Tue, 30 Mar 2010 22:35:27 +0200
Subject: [PATCH 0158/3638] HID: add backlight support to PicoLCD device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add backlight support to PicoLCD device.

Backlight support depends on backlight class and is only being
compiled if backlight class has been selected.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig       |   2 +-
 drivers/hid/hid-picolcd.c | 115 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 115 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index a813ea9c792..588b9acecb7 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -278,8 +278,8 @@ config HID_PICOLCD
 	  - Keypad
 	  - Switching between Firmware and Flash mode
 	  - Framebuffer for monochrome 256x64 display
+	  - Backlight control    (needs CONFIG_BACKLIGHT_CLASS_DEVICE)
 	  Features that are not (yet) supported:
-	  - Backlight control
 	  - Contrast control
 	  - IR
 	  - General purpose outputs
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index e14464789e1..0ea7a3f44bb 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -26,6 +26,7 @@
 
 #include <linux/fb.h>
 #include <linux/vmalloc.h>
+#include <linux/backlight.h>
 
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
@@ -183,6 +184,11 @@ struct picolcd_data {
 	struct fb_info *fb_info;
 	struct fb_deferred_io fb_defio;
 #endif /* CONFIG_FB */
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+	struct backlight_device *backlight;
+	u8 lcd_brightness;
+	u8 lcd_power;
+#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
 
 	/* Housekeeping stuff */
 	spinlock_t lock;
@@ -729,7 +735,7 @@ static void picolcd_exit_framebuffer(struct picolcd_data *data)
 	kfree(fb_vbitmap);
 }
 
-
+#define picolcd_fbinfo(d) ((d)->fb_info)
 #else
 static inline int picolcd_fb_reset(struct picolcd_data *data, int clear)
 {
@@ -742,8 +748,107 @@ static inline int picolcd_init_framebuffer(struct picolcd_data *data)
 static void picolcd_exit_framebuffer(struct picolcd_data *data)
 {
 }
+#define picolcd_fbinfo(d) NULL
 #endif /* CONFIG_FB */
 
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+/*
+ * backlight class device
+ */
+static int picolcd_get_brightness(struct backlight_device *bdev)
+{
+	struct picolcd_data *data = bl_get_data(bdev);
+	return data->lcd_brightness;
+}
+
+static int picolcd_set_brightness(struct backlight_device *bdev)
+{
+	struct picolcd_data *data = bl_get_data(bdev);
+	struct hid_report *report = picolcd_out_report(REPORT_BRIGHTNESS, data->hdev);
+	unsigned long flags;
+
+	if (!report || report->maxfield != 1 || report->field[0]->report_count != 1)
+		return -ENODEV;
+
+	data->lcd_brightness = bdev->props.brightness & 0x0ff;
+	data->lcd_power      = bdev->props.power;
+	spin_lock_irqsave(&data->lock, flags);
+	hid_set_field(report->field[0], 0, data->lcd_power == FB_BLANK_UNBLANK ? data->lcd_brightness : 0);
+	usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+	spin_unlock_irqrestore(&data->lock, flags);
+	return 0;
+}
+
+static int picolcd_check_bl_fb(struct backlight_device *bdev, struct fb_info *fb)
+{
+	return fb && fb == picolcd_fbinfo((struct picolcd_data *)bl_get_data(bdev));
+}
+
+static const struct backlight_ops picolcd_blops = {
+	.update_status  = picolcd_set_brightness,
+	.get_brightness = picolcd_get_brightness,
+	.check_fb       = picolcd_check_bl_fb,
+};
+
+static int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report)
+{
+	struct device *dev = &data->hdev->dev;
+	struct backlight_device *bdev;
+	struct backlight_properties props;
+	if (!report)
+		return -ENODEV;
+	if (report->maxfield != 1 || report->field[0]->report_count != 1 ||
+			report->field[0]->report_size != 8) {
+		dev_err(dev, "unsupported BRIGHTNESS report");
+		return -EINVAL;
+	}
+
+	memset(&props, 0, sizeof(props));
+	props.max_brightness = 0xff;
+	bdev = backlight_device_register(dev_name(dev), dev, data,
+			&picolcd_blops, &props);
+	if (IS_ERR(bdev)) {
+		dev_err(dev, "failed to register backlight\n");
+		return PTR_ERR(bdev);
+	}
+	bdev->props.brightness     = 0xff;
+	data->lcd_brightness       = 0xff;
+	data->backlight            = bdev;
+	picolcd_set_brightness(bdev);
+	return 0;
+}
+
+static void picolcd_exit_backlight(struct picolcd_data *data)
+{
+	struct backlight_device *bdev = data->backlight;
+
+	data->backlight = NULL;
+	if (bdev)
+		backlight_device_unregister(bdev);
+}
+
+static inline int picolcd_resume_backlight(struct picolcd_data *data)
+{
+	if (!data->backlight)
+		return 0;
+	return picolcd_set_brightness(data->backlight);
+}
+
+#else
+static inline int picolcd_init_backlight(struct picolcd_data *data,
+		struct hid_report *report)
+{
+	return 0;
+}
+static inline void picolcd_exit_backlight(struct picolcd_data *data)
+{
+}
+static inline int picolcd_resume_backlight(struct picolcd_data *data)
+{
+	return 0;
+}
+#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
+
 /*
  * input class device
  */
@@ -879,6 +984,7 @@ static int picolcd_reset(struct hid_device *hdev)
 	if (error)
 		return error;
 
+	picolcd_resume_backlight(data);
 #if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
 	if (data->fb_info)
 		schedule_delayed_work(&data->fb_info->deferred_work, 0);
@@ -1567,6 +1673,11 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 	if (error)
 		goto err;
 
+	/* Setup backlight class device */
+	error = picolcd_init_backlight(data, picolcd_out_report(REPORT_BRIGHTNESS, hdev));
+	if (error)
+		goto err;
+
 #ifdef CONFIG_DEBUG_FS
 	report = picolcd_out_report(REPORT_READ_MEMORY, hdev);
 	if (report && report->maxfield == 1 && report->field[0]->report_size == 8)
@@ -1576,6 +1687,7 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 #endif
 	return 0;
 err:
+	picolcd_exit_backlight(data);
 	picolcd_exit_framebuffer(data);
 	picolcd_exit_cir(data);
 	picolcd_exit_keys(data);
@@ -1707,6 +1819,7 @@ static void picolcd_remove(struct hid_device *hdev)
 	spin_unlock_irqrestore(&data->lock, flags);
 
 	/* Clean up the framebuffer */
+	picolcd_exit_backlight(data);
 	picolcd_exit_framebuffer(data);
 	/* Cleanup input */
 	picolcd_exit_cir(data);

From e8d931bb5977a5b36cc8e9b0fd2f26cb80a6c207 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Tue, 30 Mar 2010 22:36:07 +0200
Subject: [PATCH 0159/3638] HID: add lcd support to PicoLCD device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add lcd support to PicoLCD device.

LCD support depends on lcd class and is only being
compiled if lcd class has been selected.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig       |   2 +-
 drivers/hid/hid-picolcd.c | 106 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 107 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 588b9acecb7..399edc53963 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -279,8 +279,8 @@ config HID_PICOLCD
 	  - Switching between Firmware and Flash mode
 	  - Framebuffer for monochrome 256x64 display
 	  - Backlight control    (needs CONFIG_BACKLIGHT_CLASS_DEVICE)
+	  - Contrast control     (needs CONFIG_LCD_CLASS_DEVICE)
 	  Features that are not (yet) supported:
-	  - Contrast control
 	  - IR
 	  - General purpose outputs
 	  - EEProm / Flash access
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 0ea7a3f44bb..99a488363a4 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -27,6 +27,7 @@
 #include <linux/fb.h>
 #include <linux/vmalloc.h>
 #include <linux/backlight.h>
+#include <linux/lcd.h>
 
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
@@ -184,6 +185,10 @@ struct picolcd_data {
 	struct fb_info *fb_info;
 	struct fb_deferred_io fb_defio;
 #endif /* CONFIG_FB */
+#if defined(CONFIG_LCD_CLASS_DEVICE) || defined(CONFIG_LCD_CLASS_DEVICE_MODULE)
+	struct lcd_device *lcd;
+	u8 lcd_contrast;
+#endif
 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 	struct backlight_device *backlight;
 	u8 lcd_brightness;
@@ -849,6 +854,99 @@ static inline int picolcd_resume_backlight(struct picolcd_data *data)
 }
 #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
 
+#if defined(CONFIG_LCD_CLASS_DEVICE) || defined(CONFIG_LCD_CLASS_DEVICE_MODULE)
+/*
+ * lcd class device
+ */
+static int picolcd_get_contrast(struct lcd_device *ldev)
+{
+	struct picolcd_data *data = lcd_get_data(ldev);
+	return data->lcd_contrast;
+}
+
+static int picolcd_set_contrast(struct lcd_device *ldev, int contrast)
+{
+	struct picolcd_data *data = lcd_get_data(ldev);
+	struct hid_report *report = picolcd_out_report(REPORT_CONTRAST, data->hdev);
+	unsigned long flags;
+
+	if (!report || report->maxfield != 1 || report->field[0]->report_count != 1)
+		return -ENODEV;
+
+	data->lcd_contrast = contrast & 0x0ff;
+	spin_lock_irqsave(&data->lock, flags);
+	hid_set_field(report->field[0], 0, data->lcd_contrast);
+	usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+	spin_unlock_irqrestore(&data->lock, flags);
+	return 0;
+}
+
+static int picolcd_check_lcd_fb(struct lcd_device *ldev, struct fb_info *fb)
+{
+	return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev));
+}
+
+static struct lcd_ops picolcd_lcdops = {
+	.get_contrast   = picolcd_get_contrast,
+	.set_contrast   = picolcd_set_contrast,
+	.check_fb       = picolcd_check_lcd_fb,
+};
+
+static int picolcd_init_lcd(struct picolcd_data *data, struct hid_report *report)
+{
+	struct device *dev = &data->hdev->dev;
+	struct lcd_device *ldev;
+
+	if (!report)
+		return -ENODEV;
+	if (report->maxfield != 1 || report->field[0]->report_count != 1 ||
+			report->field[0]->report_size != 8) {
+		dev_err(dev, "unsupported CONTRAST report");
+		return -EINVAL;
+	}
+
+	ldev = lcd_device_register(dev_name(dev), dev, data, &picolcd_lcdops);
+	if (IS_ERR(ldev)) {
+		dev_err(dev, "failed to register LCD\n");
+		return PTR_ERR(ldev);
+	}
+	ldev->props.max_contrast = 0x0ff;
+	data->lcd_contrast = 0xe5;
+	data->lcd = ldev;
+	picolcd_set_contrast(ldev, 0xe5);
+	return 0;
+}
+
+static void picolcd_exit_lcd(struct picolcd_data *data)
+{
+	struct lcd_device *ldev = data->lcd;
+
+	data->lcd = NULL;
+	if (ldev)
+		lcd_device_unregister(ldev);
+}
+
+static inline int picolcd_resume_lcd(struct picolcd_data *data)
+{
+	if (!data->lcd)
+		return 0;
+	return picolcd_set_contrast(data->lcd, data->lcd_contrast);
+}
+#else
+static inline int picolcd_init_lcd(struct picolcd_data *data,
+		struct hid_report *report)
+{
+	return 0;
+}
+static inline void picolcd_exit_lcd(struct picolcd_data *data)
+{
+}
+static inline int picolcd_resume_lcd(struct picolcd_data *data)
+{
+	return 0;
+}
+#endif /* CONFIG_LCD_CLASS_DEVICE */
+
 /*
  * input class device
  */
@@ -984,6 +1082,7 @@ static int picolcd_reset(struct hid_device *hdev)
 	if (error)
 		return error;
 
+	picolcd_resume_lcd(data);
 	picolcd_resume_backlight(data);
 #if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
 	if (data->fb_info)
@@ -1673,6 +1772,11 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 	if (error)
 		goto err;
 
+	/* Setup lcd class device */
+	error = picolcd_init_lcd(data, picolcd_out_report(REPORT_CONTRAST, hdev));
+	if (error)
+		goto err;
+
 	/* Setup backlight class device */
 	error = picolcd_init_backlight(data, picolcd_out_report(REPORT_BRIGHTNESS, hdev));
 	if (error)
@@ -1688,6 +1792,7 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 	return 0;
 err:
 	picolcd_exit_backlight(data);
+	picolcd_exit_lcd(data);
 	picolcd_exit_framebuffer(data);
 	picolcd_exit_cir(data);
 	picolcd_exit_keys(data);
@@ -1820,6 +1925,7 @@ static void picolcd_remove(struct hid_device *hdev)
 
 	/* Clean up the framebuffer */
 	picolcd_exit_backlight(data);
+	picolcd_exit_lcd(data);
 	picolcd_exit_framebuffer(data);
 	/* Cleanup input */
 	picolcd_exit_cir(data);

From 467d6523065187d4c081b078755da4103d7ffacb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Tue, 30 Mar 2010 22:36:49 +0200
Subject: [PATCH 0160/3638] HID: add GPO (leds) support to PicoLCD device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add leds support to PicoLCD device to drive the GPO pins.

GPO support depends on leds class and is only being
compiled if leds class has been selected.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig       |   6 +-
 drivers/hid/hid-picolcd.c | 163 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 166 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 399edc53963..34f6593ea3b 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -278,11 +278,11 @@ config HID_PICOLCD
 	  - Keypad
 	  - Switching between Firmware and Flash mode
 	  - Framebuffer for monochrome 256x64 display
-	  - Backlight control    (needs CONFIG_BACKLIGHT_CLASS_DEVICE)
-	  - Contrast control     (needs CONFIG_LCD_CLASS_DEVICE)
+	  - Backlight control         (needs CONFIG_BACKLIGHT_CLASS_DEVICE)
+	  - Contrast control          (needs CONFIG_LCD_CLASS_DEVICE)
+	  - General purpose outputs   (needs CONFIG_LEDS_CLASS)
 	  Features that are not (yet) supported:
 	  - IR
-	  - General purpose outputs
 	  - EEProm / Flash access
 
 config HID_QUANTA
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 99a488363a4..517677305ef 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -29,6 +29,8 @@
 #include <linux/backlight.h>
 #include <linux/lcd.h>
 
+#include <linux/leds.h>
+
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
 
@@ -194,6 +196,11 @@ struct picolcd_data {
 	u8 lcd_brightness;
 	u8 lcd_power;
 #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+	/* LED stuff */
+	u8 led_state;
+	struct led_classdev *led[8];
+#endif /* CONFIG_LEDS_CLASS */
 
 	/* Housekeeping stuff */
 	spinlock_t lock;
@@ -947,6 +954,153 @@ static inline int picolcd_resume_lcd(struct picolcd_data *data)
 }
 #endif /* CONFIG_LCD_CLASS_DEVICE */
 
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+/**
+ * LED class device
+ */
+static void picolcd_leds_set(struct picolcd_data *data)
+{
+	struct hid_report *report;
+	unsigned long flags;
+
+	if (!data->led[0])
+		return;
+	report = picolcd_out_report(REPORT_LED_STATE, data->hdev);
+	if (!report || report->maxfield != 1 || report->field[0]->report_count != 1)
+		return;
+
+	spin_lock_irqsave(&data->lock, flags);
+	hid_set_field(report->field[0], 0, data->led_state);
+	usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+	spin_unlock_irqrestore(&data->lock, flags);
+}
+
+static void picolcd_led_set_brightness(struct led_classdev *led_cdev,
+			enum led_brightness value)
+{
+	struct device *dev;
+	struct hid_device *hdev;
+	struct picolcd_data *data;
+	int i, state = 0;
+
+	dev  = led_cdev->dev->parent;
+	hdev = container_of(dev, struct hid_device, dev);
+	data = hid_get_drvdata(hdev);
+	for (i = 0; i < 8; i++) {
+		if (led_cdev != data->led[i])
+			continue;
+		state = (data->led_state >> i) & 1;
+		if (value == LED_OFF && state) {
+			data->led_state &= ~(1 << i);
+			picolcd_leds_set(data);
+		} else if (value != LED_OFF && !state) {
+			data->led_state |= 1 << i;
+			picolcd_leds_set(data);
+		}
+		break;
+	}
+}
+
+static enum led_brightness picolcd_led_get_brightness(struct led_classdev *led_cdev)
+{
+	struct device *dev;
+	struct hid_device *hdev;
+	struct picolcd_data *data;
+	int i, value = 0;
+
+	dev  = led_cdev->dev->parent;
+	hdev = container_of(dev, struct hid_device, dev);
+	data = hid_get_drvdata(hdev);
+	for (i = 0; i < 8; i++)
+		if (led_cdev == data->led[i]) {
+			value = (data->led_state >> i) & 1;
+			break;
+		}
+	return value ? LED_FULL : LED_OFF;
+}
+
+static int picolcd_init_leds(struct picolcd_data *data, struct hid_report *report)
+{
+	struct device *dev = &data->hdev->dev;
+	struct led_classdev *led;
+	size_t name_sz = strlen(dev_name(dev)) + 8;
+	char *name;
+	int i, ret = 0;
+
+	if (!report)
+		return -ENODEV;
+	if (report->maxfield != 1 || report->field[0]->report_count != 1 ||
+			report->field[0]->report_size != 8) {
+		dev_err(dev, "unsupported LED_STATE report");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < 8; i++) {
+		led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
+		if (!led) {
+			dev_err(dev, "can't allocate memory for LED %d\n", i);
+			ret = -ENOMEM;
+			goto err;
+		}
+		name = (void *)(&led[1]);
+		snprintf(name, name_sz, "%s::GPO%d", dev_name(dev), i);
+		led->name = name;
+		led->brightness = 0;
+		led->max_brightness = 1;
+		led->brightness_get = picolcd_led_get_brightness;
+		led->brightness_set = picolcd_led_set_brightness;
+
+		data->led[i] = led;
+		ret = led_classdev_register(dev, data->led[i]);
+		if (ret) {
+			data->led[i] = NULL;
+			kfree(led);
+			dev_err(dev, "can't register LED %d\n", i);
+			goto err;
+		}
+	}
+	return 0;
+err:
+	for (i = 0; i < 8; i++)
+		if (data->led[i]) {
+			led = data->led[i];
+			data->led[i] = NULL;
+			led_classdev_unregister(led);
+			kfree(led);
+		}
+	return ret;
+}
+
+static void picolcd_exit_leds(struct picolcd_data *data)
+{
+	struct led_classdev *led;
+	int i;
+
+	for (i = 0; i < 8; i++) {
+		led = data->led[i];
+		data->led[i] = NULL;
+		if (!led)
+			continue;
+		led_classdev_unregister(led);
+		kfree(led);
+	}
+}
+
+#else
+static inline int picolcd_init_leds(struct picolcd_data *data,
+		struct hid_report *report)
+{
+	return 0;
+}
+static void picolcd_exit_leds(struct picolcd_data *data)
+{
+}
+static inline int picolcd_leds_set(struct picolcd_data *data)
+{
+	return 0;
+}
+#endif /* CONFIG_LEDS_CLASS */
+
 /*
  * input class device
  */
@@ -1089,6 +1243,7 @@ static int picolcd_reset(struct hid_device *hdev)
 		schedule_delayed_work(&data->fb_info->deferred_work, 0);
 #endif /* CONFIG_FB */
 
+	picolcd_leds_set(data);
 	return 0;
 }
 
@@ -1782,6 +1937,11 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 	if (error)
 		goto err;
 
+	/* Setup the LED class devices */
+	error = picolcd_init_leds(data, picolcd_out_report(REPORT_LED_STATE, hdev));
+	if (error)
+		goto err;
+
 #ifdef CONFIG_DEBUG_FS
 	report = picolcd_out_report(REPORT_READ_MEMORY, hdev);
 	if (report && report->maxfield == 1 && report->field[0]->report_size == 8)
@@ -1791,6 +1951,7 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 #endif
 	return 0;
 err:
+	picolcd_exit_leds(data);
 	picolcd_exit_backlight(data);
 	picolcd_exit_lcd(data);
 	picolcd_exit_framebuffer(data);
@@ -1923,6 +2084,8 @@ static void picolcd_remove(struct hid_device *hdev)
 		complete(&data->pending->ready);
 	spin_unlock_irqrestore(&data->lock, flags);
 
+	/* Cleanup LED */
+	picolcd_exit_leds(data);
 	/* Clean up the framebuffer */
 	picolcd_exit_backlight(data);
 	picolcd_exit_lcd(data);

From 9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Tue, 30 Mar 2010 22:38:09 +0200
Subject: [PATCH 0161/3638] HID: add experimental access to PicoLCD device's
 EEPROM and FLASH
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The PicoLCD device has a small amount of EEPROM and also provides access
to its FLASH where firmware and splash image are saved.
In flasher mode FLASH access is the only active feature.

Give read/write access to both via debugfs files.

NOTE: EEPROM and FLASH access should be switched to better suited API,
      until then the will reside in debugfs

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig       |   2 +-
 drivers/hid/hid-picolcd.c | 439 ++++++++++++++++++++++++++++++++++++--
 2 files changed, 423 insertions(+), 18 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 34f6593ea3b..a2ecd83bfe8 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -281,9 +281,9 @@ config HID_PICOLCD
 	  - Backlight control         (needs CONFIG_BACKLIGHT_CLASS_DEVICE)
 	  - Contrast control          (needs CONFIG_LCD_CLASS_DEVICE)
 	  - General purpose outputs   (needs CONFIG_LEDS_CLASS)
+	  - EEProm / Flash access     (via debugfs)
 	  Features that are not (yet) supported:
 	  - IR
-	  - EEProm / Flash access
 
 config HID_QUANTA
 	tristate "Quanta Optical Touch"
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 517677305ef..66f9cfd41ab 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -169,6 +169,10 @@ struct picolcd_pending {
 struct picolcd_data {
 	struct hid_device *hdev;
 #ifdef CONFIG_DEBUG_FS
+	struct dentry *debug_reset;
+	struct dentry *debug_eeprom;
+	struct dentry *debug_flash;
+	struct mutex mutex_flash;
 	int addr_sz;
 #endif
 	u8 version[2];
@@ -1313,6 +1317,357 @@ static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show,
 
 
 #ifdef CONFIG_DEBUG_FS
+/*
+ * The "reset" file
+ */
+static int picolcd_debug_reset_show(struct seq_file *f, void *p)
+{
+	if (picolcd_fbinfo((struct picolcd_data *)f->private))
+		seq_printf(f, "all fb\n");
+	else
+		seq_printf(f, "all\n");
+	return 0;
+}
+
+static int picolcd_debug_reset_open(struct inode *inode, struct file *f)
+{
+	return single_open(f, picolcd_debug_reset_show, inode->i_private);
+}
+
+static ssize_t picolcd_debug_reset_write(struct file *f, const char __user *user_buf,
+		size_t count, loff_t *ppos)
+{
+	struct picolcd_data *data = ((struct seq_file *)f->private_data)->private;
+	char buf[32];
+	size_t cnt = min(count, sizeof(buf)-1);
+	if (copy_from_user(buf, user_buf, cnt))
+		return -EFAULT;
+
+	while (cnt > 0 && (buf[cnt-1] == ' ' || buf[cnt-1] == '\n'))
+		cnt--;
+	buf[cnt] = '\0';
+	if (strcmp(buf, "all") == 0) {
+		picolcd_reset(data->hdev);
+		picolcd_fb_reset(data, 1);
+	} else if (strcmp(buf, "fb") == 0) {
+		picolcd_fb_reset(data, 1);
+	} else {
+		return -EINVAL;
+	}
+	return count;
+}
+
+static const struct file_operations picolcd_debug_reset_fops = {
+	.owner    = THIS_MODULE,
+	.open     = picolcd_debug_reset_open,
+	.read     = seq_read,
+	.llseek   = seq_lseek,
+	.write    = picolcd_debug_reset_write,
+	.release  = single_release,
+};
+
+/*
+ * The "eeprom" file
+ */
+static int picolcd_debug_eeprom_open(struct inode *i, struct file *f)
+{
+	f->private_data = i->i_private;
+	return 0;
+}
+
+static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u,
+		size_t s, loff_t *off)
+{
+	struct picolcd_data *data = f->private_data;
+	struct picolcd_pending *resp;
+	u8 raw_data[3];
+	ssize_t ret = -EIO;
+
+	if (s == 0)
+		return -EINVAL;
+	if (*off > 0x0ff)
+		return 0;
+
+	/* prepare buffer with info about what we want to read (addr & len) */
+	raw_data[0] = *off & 0xff;
+	raw_data[1] = (*off >> 8) && 0xff;
+	raw_data[2] = s < 20 ? s : 20;
+	if (*off + raw_data[2] > 0xff)
+		raw_data[2] = 0x100 - *off;
+	resp = picolcd_send_and_wait(data->hdev, REPORT_EE_READ, raw_data,
+			sizeof(raw_data));
+	if (!resp)
+		return -EIO;
+
+	if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) {
+		/* successful read :) */
+		ret = resp->raw_data[2];
+		if (ret > s)
+			ret = s;
+		if (copy_to_user(u, resp->raw_data+3, ret))
+			ret = -EFAULT;
+		else
+			*off += ret;
+	} /* anything else is some kind of IO error */
+
+	kfree(resp);
+	return ret;
+}
+
+static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u,
+		size_t s, loff_t *off)
+{
+	struct picolcd_data *data = f->private_data;
+	struct picolcd_pending *resp;
+	ssize_t ret = -EIO;
+	u8 raw_data[23];
+
+	if (s == 0)
+		return -EINVAL;
+	if (*off > 0x0ff)
+		return -ENOSPC;
+
+	memset(raw_data, 0, sizeof(raw_data));
+	raw_data[0] = *off & 0xff;
+	raw_data[1] = (*off >> 8) && 0xff;
+	raw_data[2] = s < 20 ? s : 20;
+	if (*off + raw_data[2] > 0xff)
+		raw_data[2] = 0x100 - *off;
+
+	if (copy_from_user(raw_data+3, u, raw_data[2]))
+		return -EFAULT;
+	resp = picolcd_send_and_wait(data->hdev, REPORT_EE_WRITE, raw_data,
+			sizeof(raw_data));
+
+	if (!resp)
+		return -EIO;
+
+	if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) {
+		/* check if written data matches */
+		if (memcmp(raw_data, resp->raw_data, 3+raw_data[2]) == 0) {
+			*off += raw_data[2];
+			ret = raw_data[2];
+		}
+	}
+	kfree(resp);
+	return ret;
+}
+
+/*
+ * Notes:
+ * - read/write happens in chunks of at most 20 bytes, it's up to userspace
+ *   to loop in order to get more data.
+ * - on write errors on otherwise correct write request the bytes
+ *   that should have been written are in undefined state.
+ */
+static const struct file_operations picolcd_debug_eeprom_fops = {
+	.owner    = THIS_MODULE,
+	.open     = picolcd_debug_eeprom_open,
+	.read     = picolcd_debug_eeprom_read,
+	.write    = picolcd_debug_eeprom_write,
+	.llseek   = generic_file_llseek,
+};
+
+/*
+ * The "flash" file
+ */
+static int picolcd_debug_flash_open(struct inode *i, struct file *f)
+{
+	f->private_data = i->i_private;
+	return 0;
+}
+
+/* record a flash address to buf (bounds check to be done by caller) */
+static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off)
+{
+	buf[0] = off & 0xff;
+	buf[1] = (off >> 8) & 0xff;
+	if (data->addr_sz == 3)
+		buf[2] = (off >> 16) & 0xff;
+	return data->addr_sz == 2 ? 2 : 3;
+}
+
+/* read a given size of data (bounds check to be done by caller) */
+static ssize_t _picolcd_flash_read(struct picolcd_data *data, int report_id,
+		char __user *u, size_t s, loff_t *off)
+{
+	struct picolcd_pending *resp;
+	u8 raw_data[4];
+	ssize_t ret = 0;
+	int len_off, err = -EIO;
+
+	while (s > 0) {
+		err = -EIO;
+		len_off = _picolcd_flash_setaddr(data, raw_data, *off);
+		raw_data[len_off] = s > 32 ? 32 : s;
+		resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off+1);
+		if (!resp || !resp->in_report)
+			goto skip;
+		if (resp->in_report->id == REPORT_MEMORY ||
+			resp->in_report->id == REPORT_BL_READ_MEMORY) {
+			if (memcmp(raw_data, resp->raw_data, len_off+1) != 0)
+				goto skip;
+			if (copy_to_user(u+ret, resp->raw_data+len_off+1, raw_data[len_off])) {
+				err = -EFAULT;
+				goto skip;
+			}
+			*off += raw_data[len_off];
+			s    -= raw_data[len_off];
+			ret  += raw_data[len_off];
+			err   = 0;
+		}
+skip:
+		kfree(resp);
+		if (err)
+			return ret > 0 ? ret : err;
+	}
+	return ret;
+}
+
+static ssize_t picolcd_debug_flash_read(struct file *f, char __user *u,
+		size_t s, loff_t *off)
+{
+	struct picolcd_data *data = f->private_data;
+
+	if (s == 0)
+		return -EINVAL;
+	if (*off > 0x05fff)
+		return 0;
+	if (*off + s > 0x05fff)
+		s = 0x06000 - *off;
+
+	if (data->status & PICOLCD_BOOTLOADER)
+		return _picolcd_flash_read(data, REPORT_BL_READ_MEMORY, u, s, off);
+	else
+		return _picolcd_flash_read(data, REPORT_READ_MEMORY, u, s, off);
+}
+
+/* erase block aligned to 64bytes boundary */
+static ssize_t _picolcd_flash_erase64(struct picolcd_data *data, int report_id,
+		loff_t *off)
+{
+	struct picolcd_pending *resp;
+	u8 raw_data[3];
+	int len_off;
+	ssize_t ret = -EIO;
+
+	if (*off & 0x3f)
+		return -EINVAL;
+
+	len_off = _picolcd_flash_setaddr(data, raw_data, *off);
+	resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off);
+	if (!resp || !resp->in_report)
+		goto skip;
+	if (resp->in_report->id == REPORT_MEMORY ||
+		resp->in_report->id == REPORT_BL_ERASE_MEMORY) {
+		if (memcmp(raw_data, resp->raw_data, len_off) != 0)
+			goto skip;
+		ret = 0;
+	}
+skip:
+	kfree(resp);
+	return ret;
+}
+
+/* write a given size of data (bounds check to be done by caller) */
+static ssize_t _picolcd_flash_write(struct picolcd_data *data, int report_id,
+		const char __user *u, size_t s, loff_t *off)
+{
+	struct picolcd_pending *resp;
+	u8 raw_data[36];
+	ssize_t ret = 0;
+	int len_off, err = -EIO;
+
+	while (s > 0) {
+		err = -EIO;
+		len_off = _picolcd_flash_setaddr(data, raw_data, *off);
+		raw_data[len_off] = s > 32 ? 32 : s;
+		if (copy_from_user(raw_data+len_off+1, u, raw_data[len_off])) {
+			err = -EFAULT;
+			goto skip;
+		}
+		resp = picolcd_send_and_wait(data->hdev, report_id, raw_data,
+				len_off+1+raw_data[len_off]);
+		if (!resp || !resp->in_report)
+			goto skip;
+		if (resp->in_report->id == REPORT_MEMORY ||
+			resp->in_report->id == REPORT_BL_WRITE_MEMORY) {
+			if (memcmp(raw_data, resp->raw_data, len_off+1+raw_data[len_off]) != 0)
+				goto skip;
+			*off += raw_data[len_off];
+			s    -= raw_data[len_off];
+			ret  += raw_data[len_off];
+			err   = 0;
+		}
+skip:
+		kfree(resp);
+		if (err)
+			break;
+	}
+	return ret > 0 ? ret : err;
+}
+
+static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u,
+		size_t s, loff_t *off)
+{
+	struct picolcd_data *data = f->private_data;
+	ssize_t err, ret = 0;
+	int report_erase, report_write;
+
+	if (s == 0)
+		return -EINVAL;
+	if (*off > 0x5fff)
+		return -ENOSPC;
+	if (s & 0x3f)
+		return -EINVAL;
+	if (*off & 0x3f)
+		return -EINVAL;
+
+	if (data->status & PICOLCD_BOOTLOADER) {
+		report_erase = REPORT_BL_ERASE_MEMORY;
+		report_write = REPORT_BL_WRITE_MEMORY;
+	} else {
+		report_erase = REPORT_ERASE_MEMORY;
+		report_write = REPORT_WRITE_MEMORY;
+	}
+	mutex_lock(&data->mutex_flash);
+	while (s > 0) {
+		err = _picolcd_flash_erase64(data, report_erase, off);
+		if (err)
+			break;
+		err = _picolcd_flash_write(data, report_write, u, 64, off);
+		if (err < 0)
+			break;
+		ret += err;
+		*off += err;
+		s -= err;
+		if (err != 64)
+			break;
+	}
+	mutex_unlock(&data->mutex_flash);
+	return ret > 0 ? ret : err;
+}
+
+/*
+ * Notes:
+ * - concurrent writing is prevented by mutex and all writes must be
+ *   n*64 bytes and 64-byte aligned, each write being preceeded by an
+ *   ERASE which erases a 64byte block.
+ *   If less than requested was written or an error is returned for an
+ *   otherwise correct write request the next 64-byte block which should
+ *   have been written is in undefined state (mostly: original, erased,
+ *   (half-)written with write error)
+ * - reading can happend without special restriction
+ */
+static const struct file_operations picolcd_debug_flash_fops = {
+	.owner    = THIS_MODULE,
+	.open     = picolcd_debug_flash_open,
+	.read     = picolcd_debug_flash_read,
+	.write    = picolcd_debug_flash_write,
+	.llseek   = generic_file_llseek,
+};
+
+
 /*
  * Helper code for HID report level dumping/debugging
  */
@@ -1788,9 +2143,66 @@ static void picolcd_debug_raw_event(struct picolcd_data *data,
 	wake_up_interruptible(&hdev->debug_wait);
 	kfree(buff);
 }
+
+static void picolcd_init_devfs(struct picolcd_data *data,
+		struct hid_report *eeprom_r, struct hid_report *eeprom_w,
+		struct hid_report *flash_r, struct hid_report *flash_w,
+		struct hid_report *reset)
+{
+	struct hid_device *hdev = data->hdev;
+
+	mutex_init(&data->mutex_flash);
+
+	/* reset */
+	if (reset)
+		data->debug_reset = debugfs_create_file("reset", 0600,
+				hdev->debug_dir, data, &picolcd_debug_reset_fops);
+
+	/* eeprom */
+	if (eeprom_r || eeprom_w)
+		data->debug_eeprom = debugfs_create_file("eeprom",
+			(eeprom_w ? S_IWUSR : 0) | (eeprom_r ? S_IRUSR : 0),
+			hdev->debug_dir, data, &picolcd_debug_eeprom_fops);
+
+	/* flash */
+	if (flash_r && flash_r->maxfield == 1 && flash_r->field[0]->report_size == 8)
+		data->addr_sz = flash_r->field[0]->report_count - 1;
+	else
+		data->addr_sz = -1;
+	if (data->addr_sz == 2 || data->addr_sz == 3) {
+		data->debug_flash = debugfs_create_file("flash",
+			(flash_w ? S_IWUSR : 0) | (flash_r ? S_IRUSR : 0),
+			hdev->debug_dir, data, &picolcd_debug_flash_fops);
+	} else if (flash_r || flash_w)
+		dev_warn(&hdev->dev, "Unexpected FLASH access reports, "
+				"please submit rdesc for review\n");
+}
+
+static void picolcd_exit_devfs(struct picolcd_data *data)
+{
+	struct dentry *dent;
+
+	dent = data->debug_reset;
+	data->debug_reset = NULL;
+	if (dent)
+		debugfs_remove(dent);
+	dent = data->debug_eeprom;
+	data->debug_eeprom = NULL;
+	if (dent)
+		debugfs_remove(dent);
+	dent = data->debug_flash;
+	data->debug_flash = NULL;
+	if (dent)
+		debugfs_remove(dent);
+	mutex_destroy(&data->mutex_flash);
+}
 #else
 #define picolcd_debug_raw_event(data, hdev, report, raw_data, size)
-#endif
+#define picolcd_init_devfs(data, eeprom_r, eeprom_w, flash_r, flash_w, reset)
+static void picolcd_exit_devfs(struct picolcd_data *data)
+{
+}
+#endif /* CONFIG_DEBUG_FS */
 
 /*
  * Handle raw report as sent by device
@@ -1900,7 +2312,6 @@ static inline void picolcd_exit_cir(struct picolcd_data *data)
 
 static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 {
-	struct hid_report *report;
 	int error;
 
 	error = picolcd_check_version(hdev);
@@ -1942,13 +2353,11 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
 	if (error)
 		goto err;
 
-#ifdef CONFIG_DEBUG_FS
-	report = picolcd_out_report(REPORT_READ_MEMORY, hdev);
-	if (report && report->maxfield == 1 && report->field[0]->report_size == 8)
-		data->addr_sz = report->field[0]->report_count - 1;
-	else
-		data->addr_sz = -1;
-#endif
+	picolcd_init_devfs(data, picolcd_out_report(REPORT_EE_READ, hdev),
+			picolcd_out_report(REPORT_EE_WRITE, hdev),
+			picolcd_out_report(REPORT_READ_MEMORY, hdev),
+			picolcd_out_report(REPORT_WRITE_MEMORY, hdev),
+			picolcd_out_report(REPORT_RESET, hdev));
 	return 0;
 err:
 	picolcd_exit_leds(data);
@@ -1962,7 +2371,6 @@ err:
 
 static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data *data)
 {
-	struct hid_report *report;
 	int error;
 
 	error = picolcd_check_version(hdev);
@@ -1974,13 +2382,9 @@ static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data
 				"please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n",
 				dev_name(&hdev->dev));
 
-#ifdef CONFIG_DEBUG_FS
-	report = picolcd_out_report(REPORT_BL_READ_MEMORY, hdev);
-	if (report && report->maxfield == 1 && report->field[0]->report_size == 8)
-		data->addr_sz = report->field[0]->report_count - 1;
-	else
-		data->addr_sz = -1;
-#endif
+	picolcd_init_devfs(data, NULL, NULL,
+			picolcd_out_report(REPORT_BL_READ_MEMORY, hdev),
+			picolcd_out_report(REPORT_BL_WRITE_MEMORY, hdev), NULL);
 	return 0;
 }
 
@@ -2073,6 +2477,7 @@ static void picolcd_remove(struct hid_device *hdev)
 	data->status |= PICOLCD_FAILED;
 	spin_unlock_irqrestore(&data->lock, flags);
 
+	picolcd_exit_devfs(data);
 	device_remove_file(&hdev->dev, &dev_attr_operation_mode);
 	hdev->ll_driver->close(hdev);
 	hid_hw_stop(hdev);

From eb741103f17a19fccf7c795ed1d9662196acc6e5 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Thu, 1 Apr 2010 08:24:42 +0200
Subject: [PATCH 0162/3638] HID: picolcd: fix build failure

Using copy_{to,from}_user requires the include of linux/uaccess.h.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-picolcd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 66f9cfd41ab..0eacc6b6d5b 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -35,6 +35,7 @@
 #include <linux/debugfs.h>
 
 #include <linux/completion.h>
+#include <linux/uaccess.h>
 
 #define PICOLCD_NAME "PicoLCD (graphic)"
 

From 9a0785b0da561e1e9c6617df85e93ae107a42f18 Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Thu, 1 Apr 2010 15:01:04 -0700
Subject: [PATCH 0163/3638] blkio: Remove per-cfqq nr_sectors as we'll be
 passing

that info at request dispatch with other stats now. This patch removes the
existing support for accounting sectors for a blkio_group. This will be added
back differently in the next two patches.

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c  |  3 +--
 block/blk-cgroup.h  |  6 ++----
 block/cfq-iosched.c | 10 ++--------
 3 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 4b686ad08ea..5be39813fc9 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -56,10 +56,9 @@ struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup)
 EXPORT_SYMBOL_GPL(cgroup_to_blkio_cgroup);
 
 void blkiocg_update_blkio_group_stats(struct blkio_group *blkg,
-			unsigned long time, unsigned long sectors)
+						unsigned long time)
 {
 	blkg->time += time;
-	blkg->sectors += sectors;
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_blkio_group_stats);
 
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 8ccc20464da..fe445178f58 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -106,7 +106,7 @@ extern int blkiocg_del_blkio_group(struct blkio_group *blkg);
 extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg,
 						void *key);
 void blkiocg_update_blkio_group_stats(struct blkio_group *blkg,
-			unsigned long time, unsigned long sectors);
+						unsigned long time);
 #else
 struct cgroup;
 static inline struct blkio_cgroup *
@@ -123,8 +123,6 @@ blkiocg_del_blkio_group(struct blkio_group *blkg) { return 0; }
 static inline struct blkio_group *
 blkiocg_lookup_group(struct blkio_cgroup *blkcg, void *key) { return NULL; }
 static inline void blkiocg_update_blkio_group_stats(struct blkio_group *blkg,
-			unsigned long time, unsigned long sectors)
-{
-}
+						unsigned long time) {}
 #endif
 #endif /* _BLK_CGROUP_H */
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 2c7a0f4f3cd..7471d36bce8 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -142,8 +142,6 @@ struct cfq_queue {
 	struct cfq_queue *new_cfqq;
 	struct cfq_group *cfqg;
 	struct cfq_group *orig_cfqg;
-	/* Sectors dispatched in current dispatch round */
-	unsigned long nr_sectors;
 };
 
 /*
@@ -883,8 +881,7 @@ static inline unsigned int cfq_cfqq_slice_usage(struct cfq_queue *cfqq)
 			slice_used = cfqq->allocated_slice;
 	}
 
-	cfq_log_cfqq(cfqq->cfqd, cfqq, "sl_used=%u sect=%lu", slice_used,
-				cfqq->nr_sectors);
+	cfq_log_cfqq(cfqq->cfqd, cfqq, "sl_used=%u", slice_used);
 	return slice_used;
 }
 
@@ -918,8 +915,7 @@ static void cfq_group_served(struct cfq_data *cfqd, struct cfq_group *cfqg,
 
 	cfq_log_cfqg(cfqd, cfqg, "served: vt=%llu min_vt=%llu", cfqg->vdisktime,
 					st->min_vdisktime);
-	blkiocg_update_blkio_group_stats(&cfqg->blkg, used_sl,
-						cfqq->nr_sectors);
+	blkiocg_update_blkio_group_stats(&cfqg->blkg, used_sl);
 }
 
 #ifdef CONFIG_CFQ_GROUP_IOSCHED
@@ -1525,7 +1521,6 @@ static void __cfq_set_active_queue(struct cfq_data *cfqd,
 		cfqq->allocated_slice = 0;
 		cfqq->slice_end = 0;
 		cfqq->slice_dispatch = 0;
-		cfqq->nr_sectors = 0;
 
 		cfq_clear_cfqq_wait_request(cfqq);
 		cfq_clear_cfqq_must_dispatch(cfqq);
@@ -1870,7 +1865,6 @@ static void cfq_dispatch_insert(struct request_queue *q, struct request *rq)
 	elv_dispatch_sort(q, rq);
 
 	cfqd->rq_in_flight[cfq_cfqq_sync(cfqq)]++;
-	cfqq->nr_sectors += blk_rq_sectors(rq);
 }
 
 /*

From 303a3acb2362f16c7e7f4c53b40c2f4b396dc8d5 Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Thu, 1 Apr 2010 15:01:24 -0700
Subject: [PATCH 0164/3638] blkio: Add io controller stats like

- io_service_time
- io_wait_time
- io_serviced
- io_service_bytes

These stats are accumulated per operation type helping us to distinguish between
read and write, and sync and async IO. This patch does not increment any of
these stats.

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c  | 178 ++++++++++++++++++++++++++++++++++++++++----
 block/blk-cgroup.h  |  39 ++++++++--
 block/cfq-iosched.c |   2 +-
 3 files changed, 194 insertions(+), 25 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 5be39813fc9..ad6843f2e0a 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -55,12 +55,15 @@ struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup)
 }
 EXPORT_SYMBOL_GPL(cgroup_to_blkio_cgroup);
 
-void blkiocg_update_blkio_group_stats(struct blkio_group *blkg,
-						unsigned long time)
+void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
 {
-	blkg->time += time;
+	unsigned long flags;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	blkg->stats.time += time;
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
-EXPORT_SYMBOL_GPL(blkiocg_update_blkio_group_stats);
+EXPORT_SYMBOL_GPL(blkiocg_update_timeslice_used);
 
 void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 			struct blkio_group *blkg, void *key, dev_t dev)
@@ -170,13 +173,121 @@ blkiocg_weight_write(struct cgroup *cgroup, struct cftype *cftype, u64 val)
 	return 0;
 }
 
-#define SHOW_FUNCTION_PER_GROUP(__VAR)					\
+static int
+blkiocg_reset_write(struct cgroup *cgroup, struct cftype *cftype, u64 val)
+{
+	struct blkio_cgroup *blkcg;
+	struct blkio_group *blkg;
+	struct hlist_node *n;
+	struct blkio_group_stats *stats;
+
+	blkcg = cgroup_to_blkio_cgroup(cgroup);
+	spin_lock_irq(&blkcg->lock);
+	hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
+		spin_lock(&blkg->stats_lock);
+		stats = &blkg->stats;
+		memset(stats, 0, sizeof(struct blkio_group_stats));
+		spin_unlock(&blkg->stats_lock);
+	}
+	spin_unlock_irq(&blkcg->lock);
+	return 0;
+}
+
+void get_key_name(int type, char *disk_id, char *str, int chars_left)
+{
+	strlcpy(str, disk_id, chars_left);
+	chars_left -= strlen(str);
+	if (chars_left <= 0) {
+		printk(KERN_WARNING
+			"Possibly incorrect cgroup stat display format");
+		return;
+	}
+	switch (type) {
+	case IO_READ:
+		strlcat(str, " Read", chars_left);
+		break;
+	case IO_WRITE:
+		strlcat(str, " Write", chars_left);
+		break;
+	case IO_SYNC:
+		strlcat(str, " Sync", chars_left);
+		break;
+	case IO_ASYNC:
+		strlcat(str, " Async", chars_left);
+		break;
+	case IO_TYPE_MAX:
+		strlcat(str, " Total", chars_left);
+		break;
+	default:
+		strlcat(str, " Invalid", chars_left);
+	}
+}
+
+typedef uint64_t (get_var) (struct blkio_group *, int);
+
+#define MAX_KEY_LEN 100
+uint64_t get_typed_stat(struct blkio_group *blkg, struct cgroup_map_cb *cb,
+		get_var *getvar, char *disk_id)
+{
+	uint64_t disk_total;
+	char key_str[MAX_KEY_LEN];
+	int type;
+
+	for (type = 0; type < IO_TYPE_MAX; type++) {
+		get_key_name(type, disk_id, key_str, MAX_KEY_LEN);
+		cb->fill(cb, key_str, getvar(blkg, type));
+	}
+	disk_total = getvar(blkg, IO_READ) + getvar(blkg, IO_WRITE);
+	get_key_name(IO_TYPE_MAX, disk_id, key_str, MAX_KEY_LEN);
+	cb->fill(cb, key_str, disk_total);
+	return disk_total;
+}
+
+uint64_t get_stat(struct blkio_group *blkg, struct cgroup_map_cb *cb,
+		get_var *getvar, char *disk_id)
+{
+	uint64_t var = getvar(blkg, 0);
+	cb->fill(cb, disk_id, var);
+	return var;
+}
+
+#define GET_STAT_INDEXED(__VAR)						\
+uint64_t get_##__VAR##_stat(struct blkio_group *blkg, int type)		\
+{									\
+	return blkg->stats.__VAR[type];					\
+}									\
+
+GET_STAT_INDEXED(io_service_bytes);
+GET_STAT_INDEXED(io_serviced);
+GET_STAT_INDEXED(io_service_time);
+GET_STAT_INDEXED(io_wait_time);
+#undef GET_STAT_INDEXED
+
+#define GET_STAT(__VAR, __CONV)						\
+uint64_t get_##__VAR##_stat(struct blkio_group *blkg, int dummy)	\
+{									\
+	uint64_t data = blkg->stats.__VAR;				\
+	if (__CONV)							\
+		data = (uint64_t)jiffies_to_msecs(data) * NSEC_PER_MSEC;\
+	return data;							\
+}
+
+GET_STAT(time, 1);
+GET_STAT(sectors, 0);
+#ifdef CONFIG_DEBUG_BLK_CGROUP
+GET_STAT(dequeue, 0);
+#endif
+#undef GET_STAT
+
+#define SHOW_FUNCTION_PER_GROUP(__VAR, get_stats, getvar, show_total)	\
 static int blkiocg_##__VAR##_read(struct cgroup *cgroup,		\
-			struct cftype *cftype, struct seq_file *m)	\
+		struct cftype *cftype, struct cgroup_map_cb *cb)	\
 {									\
 	struct blkio_cgroup *blkcg;					\
 	struct blkio_group *blkg;					\
 	struct hlist_node *n;						\
+	uint64_t cgroup_total = 0;					\
+	char disk_id[10];						\
 									\
 	if (!cgroup_lock_live_group(cgroup))				\
 		return -ENODEV;						\
@@ -184,19 +295,32 @@ static int blkiocg_##__VAR##_read(struct cgroup *cgroup,		\
 	blkcg = cgroup_to_blkio_cgroup(cgroup);				\
 	rcu_read_lock();						\
 	hlist_for_each_entry_rcu(blkg, n, &blkcg->blkg_list, blkcg_node) {\
-		if (blkg->dev)						\
-			seq_printf(m, "%u:%u %lu\n", MAJOR(blkg->dev),	\
-				 MINOR(blkg->dev), blkg->__VAR);	\
+		if (blkg->dev) {					\
+			spin_lock_irq(&blkg->stats_lock);		\
+			snprintf(disk_id, 10, "%u:%u", MAJOR(blkg->dev),\
+					MINOR(blkg->dev));		\
+			cgroup_total += get_stats(blkg, cb, getvar,	\
+						disk_id);		\
+			spin_unlock_irq(&blkg->stats_lock);		\
+		}							\
 	}								\
+	if (show_total)							\
+		cb->fill(cb, "Total", cgroup_total);			\
 	rcu_read_unlock();						\
 	cgroup_unlock();						\
 	return 0;							\
 }
 
-SHOW_FUNCTION_PER_GROUP(time);
-SHOW_FUNCTION_PER_GROUP(sectors);
+SHOW_FUNCTION_PER_GROUP(time, get_stat, get_time_stat, 0);
+SHOW_FUNCTION_PER_GROUP(sectors, get_stat, get_sectors_stat, 0);
+SHOW_FUNCTION_PER_GROUP(io_service_bytes, get_typed_stat,
+			get_io_service_bytes_stat, 1);
+SHOW_FUNCTION_PER_GROUP(io_serviced, get_typed_stat, get_io_serviced_stat, 1);
+SHOW_FUNCTION_PER_GROUP(io_service_time, get_typed_stat,
+			get_io_service_time_stat, 1);
+SHOW_FUNCTION_PER_GROUP(io_wait_time, get_typed_stat, get_io_wait_time_stat, 1);
 #ifdef CONFIG_DEBUG_BLK_CGROUP
-SHOW_FUNCTION_PER_GROUP(dequeue);
+SHOW_FUNCTION_PER_GROUP(dequeue, get_stat, get_dequeue_stat, 0);
 #endif
 #undef SHOW_FUNCTION_PER_GROUP
 
@@ -204,7 +328,7 @@ SHOW_FUNCTION_PER_GROUP(dequeue);
 void blkiocg_update_blkio_group_dequeue_stats(struct blkio_group *blkg,
 			unsigned long dequeue)
 {
-	blkg->dequeue += dequeue;
+	blkg->stats.dequeue += dequeue;
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_blkio_group_dequeue_stats);
 #endif
@@ -217,16 +341,38 @@ struct cftype blkio_files[] = {
 	},
 	{
 		.name = "time",
-		.read_seq_string = blkiocg_time_read,
+		.read_map = blkiocg_time_read,
+		.write_u64 = blkiocg_reset_write,
 	},
 	{
 		.name = "sectors",
-		.read_seq_string = blkiocg_sectors_read,
+		.read_map = blkiocg_sectors_read,
+		.write_u64 = blkiocg_reset_write,
+	},
+	{
+		.name = "io_service_bytes",
+		.read_map = blkiocg_io_service_bytes_read,
+		.write_u64 = blkiocg_reset_write,
+	},
+	{
+		.name = "io_serviced",
+		.read_map = blkiocg_io_serviced_read,
+		.write_u64 = blkiocg_reset_write,
+	},
+	{
+		.name = "io_service_time",
+		.read_map = blkiocg_io_service_time_read,
+		.write_u64 = blkiocg_reset_write,
+	},
+	{
+		.name = "io_wait_time",
+		.read_map = blkiocg_io_wait_time_read,
+		.write_u64 = blkiocg_reset_write,
 	},
 #ifdef CONFIG_DEBUG_BLK_CGROUP
        {
 		.name = "dequeue",
-		.read_seq_string = blkiocg_dequeue_read,
+		.read_map = blkiocg_dequeue_read,
        },
 #endif
 };
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index fe445178f58..5c5e5294b50 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -23,6 +23,14 @@ extern struct cgroup_subsys blkio_subsys;
 #define blkio_subsys_id blkio_subsys.subsys_id
 #endif
 
+enum io_type {
+	IO_READ = 0,
+	IO_WRITE,
+	IO_SYNC,
+	IO_ASYNC,
+	IO_TYPE_MAX
+};
+
 struct blkio_cgroup {
 	struct cgroup_subsys_state css;
 	unsigned int weight;
@@ -30,6 +38,23 @@ struct blkio_cgroup {
 	struct hlist_head blkg_list;
 };
 
+struct blkio_group_stats {
+	/* total disk time and nr sectors dispatched by this group */
+	uint64_t time;
+	uint64_t sectors;
+	/* Total disk time used by IOs in ns */
+	uint64_t io_service_time[IO_TYPE_MAX];
+	uint64_t io_service_bytes[IO_TYPE_MAX]; /* Total bytes transferred */
+	/* Total IOs serviced, post merge */
+	uint64_t io_serviced[IO_TYPE_MAX];
+	/* Total time spent waiting in scheduler queue in ns */
+	uint64_t io_wait_time[IO_TYPE_MAX];
+#ifdef CONFIG_DEBUG_BLK_CGROUP
+	/* How many times this group has been removed from service tree */
+	unsigned long dequeue;
+#endif
+};
+
 struct blkio_group {
 	/* An rcu protected unique identifier for the group */
 	void *key;
@@ -38,15 +63,13 @@ struct blkio_group {
 #ifdef CONFIG_DEBUG_BLK_CGROUP
 	/* Store cgroup path */
 	char path[128];
-	/* How many times this group has been removed from service tree */
-	unsigned long dequeue;
 #endif
 	/* The device MKDEV(major, minor), this group has been created for */
 	dev_t   dev;
 
-	/* total disk time and nr sectors dispatched by this group */
-	unsigned long time;
-	unsigned long sectors;
+	/* Need to serialize the stats in the case of reset/update */
+	spinlock_t stats_lock;
+	struct blkio_group_stats stats;
 };
 
 typedef void (blkio_unlink_group_fn) (void *key, struct blkio_group *blkg);
@@ -105,8 +128,8 @@ extern void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 extern int blkiocg_del_blkio_group(struct blkio_group *blkg);
 extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg,
 						void *key);
-void blkiocg_update_blkio_group_stats(struct blkio_group *blkg,
-						unsigned long time);
+void blkiocg_update_timeslice_used(struct blkio_group *blkg,
+					unsigned long time);
 #else
 struct cgroup;
 static inline struct blkio_cgroup *
@@ -122,7 +145,7 @@ blkiocg_del_blkio_group(struct blkio_group *blkg) { return 0; }
 
 static inline struct blkio_group *
 blkiocg_lookup_group(struct blkio_cgroup *blkcg, void *key) { return NULL; }
-static inline void blkiocg_update_blkio_group_stats(struct blkio_group *blkg,
+static inline void blkiocg_update_timeslice_used(struct blkio_group *blkg,
 						unsigned long time) {}
 #endif
 #endif /* _BLK_CGROUP_H */
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 7471d36bce8..c5161bbf2fe 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -915,7 +915,7 @@ static void cfq_group_served(struct cfq_data *cfqd, struct cfq_group *cfqg,
 
 	cfq_log_cfqg(cfqd, cfqg, "served: vt=%llu min_vt=%llu", cfqg->vdisktime,
 					st->min_vdisktime);
-	blkiocg_update_blkio_group_stats(&cfqg->blkg, used_sl);
+	blkiocg_update_timeslice_used(&cfqg->blkg, used_sl);
 }
 
 #ifdef CONFIG_CFQ_GROUP_IOSCHED

From 9195291e5f05e01d67f9a09c756b8aca8f009089 Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Thu, 1 Apr 2010 15:01:41 -0700
Subject: [PATCH 0165/3638] blkio: Increment the blkio cgroup stats for real
 now

We also add start_time_ns and io_start_time_ns fields to struct request
here to record the time when a request is created and when it is
dispatched to device. We use ns uints here as ms and jiffies are
not very useful for non-rotational media.

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c     | 60 ++++++++++++++++++++++++++++++++++++++++--
 block/blk-cgroup.h     | 14 +++++++---
 block/blk-core.c       |  6 +++--
 block/cfq-iosched.c    |  4 ++-
 include/linux/blkdev.h | 20 +++++++++++++-
 5 files changed, 95 insertions(+), 9 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index ad6843f2e0a..9af7257f429 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -15,6 +15,7 @@
 #include <linux/kdev_t.h>
 #include <linux/module.h>
 #include <linux/err.h>
+#include <linux/blkdev.h>
 #include "blk-cgroup.h"
 
 static DEFINE_SPINLOCK(blkio_list_lock);
@@ -55,6 +56,26 @@ struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup)
 }
 EXPORT_SYMBOL_GPL(cgroup_to_blkio_cgroup);
 
+/*
+ * Add to the appropriate stat variable depending on the request type.
+ * This should be called with the blkg->stats_lock held.
+ */
+void io_add_stat(uint64_t *stat, uint64_t add, unsigned int flags)
+{
+	if (flags & REQ_RW)
+		stat[IO_WRITE] += add;
+	else
+		stat[IO_READ] += add;
+	/*
+	 * Everywhere in the block layer, an IO is treated as sync if it is a
+	 * read or a SYNC write. We follow the same norm.
+	 */
+	if (!(flags & REQ_RW) || flags & REQ_RW_SYNC)
+		stat[IO_SYNC] += add;
+	else
+		stat[IO_ASYNC] += add;
+}
+
 void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
 {
 	unsigned long flags;
@@ -65,6 +86,41 @@ void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_timeslice_used);
 
+void blkiocg_update_request_dispatch_stats(struct blkio_group *blkg,
+						struct request *rq)
+{
+	struct blkio_group_stats *stats;
+	unsigned long flags;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	stats = &blkg->stats;
+	stats->sectors += blk_rq_sectors(rq);
+	io_add_stat(stats->io_serviced, 1, rq->cmd_flags);
+	io_add_stat(stats->io_service_bytes, blk_rq_sectors(rq) << 9,
+			rq->cmd_flags);
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+
+void blkiocg_update_request_completion_stats(struct blkio_group *blkg,
+						struct request *rq)
+{
+	struct blkio_group_stats *stats;
+	unsigned long flags;
+	unsigned long long now = sched_clock();
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	stats = &blkg->stats;
+	if (time_after64(now, rq->io_start_time_ns))
+		io_add_stat(stats->io_service_time, now - rq->io_start_time_ns,
+				rq->cmd_flags);
+	if (time_after64(rq->io_start_time_ns, rq->start_time_ns))
+		io_add_stat(stats->io_wait_time,
+				rq->io_start_time_ns - rq->start_time_ns,
+				rq->cmd_flags);
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_update_request_completion_stats);
+
 void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 			struct blkio_group *blkg, void *key, dev_t dev)
 {
@@ -325,12 +381,12 @@ SHOW_FUNCTION_PER_GROUP(dequeue, get_stat, get_dequeue_stat, 0);
 #undef SHOW_FUNCTION_PER_GROUP
 
 #ifdef CONFIG_DEBUG_BLK_CGROUP
-void blkiocg_update_blkio_group_dequeue_stats(struct blkio_group *blkg,
+void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 			unsigned long dequeue)
 {
 	blkg->stats.dequeue += dequeue;
 }
-EXPORT_SYMBOL_GPL(blkiocg_update_blkio_group_dequeue_stats);
+EXPORT_SYMBOL_GPL(blkiocg_update_dequeue_stats);
 #endif
 
 struct cftype blkio_files[] = {
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 5c5e5294b50..80010ef64ab 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -112,12 +112,12 @@ static inline char *blkg_path(struct blkio_group *blkg)
 {
 	return blkg->path;
 }
-void blkiocg_update_blkio_group_dequeue_stats(struct blkio_group *blkg,
+void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 				unsigned long dequeue);
 #else
 static inline char *blkg_path(struct blkio_group *blkg) { return NULL; }
-static inline void blkiocg_update_blkio_group_dequeue_stats(
-			struct blkio_group *blkg, unsigned long dequeue) {}
+static inline void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
+						unsigned long dequeue) {}
 #endif
 
 #if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
@@ -130,6 +130,10 @@ extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg,
 						void *key);
 void blkiocg_update_timeslice_used(struct blkio_group *blkg,
 					unsigned long time);
+void blkiocg_update_request_dispatch_stats(struct blkio_group *blkg,
+						struct request *rq);
+void blkiocg_update_request_completion_stats(struct blkio_group *blkg,
+						struct request *rq);
 #else
 struct cgroup;
 static inline struct blkio_cgroup *
@@ -147,5 +151,9 @@ static inline struct blkio_group *
 blkiocg_lookup_group(struct blkio_cgroup *blkcg, void *key) { return NULL; }
 static inline void blkiocg_update_timeslice_used(struct blkio_group *blkg,
 						unsigned long time) {}
+static inline void blkiocg_update_request_dispatch_stats(
+		struct blkio_group *blkg, struct request *rq) {}
+static inline void blkiocg_update_request_completion_stats(
+		struct blkio_group *blkg, struct request *rq) {}
 #endif
 #endif /* _BLK_CGROUP_H */
diff --git a/block/blk-core.c b/block/blk-core.c
index 9fe174dc74d..1d94f15d7f0 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -127,6 +127,7 @@ void blk_rq_init(struct request_queue *q, struct request *rq)
 	rq->tag = -1;
 	rq->ref_count = 1;
 	rq->start_time = jiffies;
+	set_start_time_ns(rq);
 }
 EXPORT_SYMBOL(blk_rq_init);
 
@@ -1855,8 +1856,10 @@ void blk_dequeue_request(struct request *rq)
 	 * and to it is freed is accounted as io that is in progress at
 	 * the driver side.
 	 */
-	if (blk_account_rq(rq))
+	if (blk_account_rq(rq)) {
 		q->in_flight[rq_is_sync(rq)]++;
+		set_io_start_time_ns(rq);
+	}
 }
 
 /**
@@ -2517,4 +2520,3 @@ int __init blk_dev_init(void)
 
 	return 0;
 }
-
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index c5161bbf2fe..42028e7128a 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -855,7 +855,7 @@ cfq_group_service_tree_del(struct cfq_data *cfqd, struct cfq_group *cfqg)
 	if (!RB_EMPTY_NODE(&cfqg->rb_node))
 		cfq_rb_erase(&cfqg->rb_node, st);
 	cfqg->saved_workload_slice = 0;
-	blkiocg_update_blkio_group_dequeue_stats(&cfqg->blkg, 1);
+	blkiocg_update_dequeue_stats(&cfqg->blkg, 1);
 }
 
 static inline unsigned int cfq_cfqq_slice_usage(struct cfq_queue *cfqq)
@@ -1865,6 +1865,7 @@ static void cfq_dispatch_insert(struct request_queue *q, struct request *rq)
 	elv_dispatch_sort(q, rq);
 
 	cfqd->rq_in_flight[cfq_cfqq_sync(cfqq)]++;
+	blkiocg_update_request_dispatch_stats(&cfqq->cfqg->blkg, rq);
 }
 
 /*
@@ -3285,6 +3286,7 @@ static void cfq_completed_request(struct request_queue *q, struct request *rq)
 	WARN_ON(!cfqq->dispatched);
 	cfqd->rq_in_driver--;
 	cfqq->dispatched--;
+	blkiocg_update_request_completion_stats(&cfqq->cfqg->blkg, rq);
 
 	cfqd->rq_in_flight[cfq_cfqq_sync(cfqq)]--;
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6690e8bae7b..f3fff8bf85e 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -194,7 +194,10 @@ struct request {
 
 	struct gendisk *rq_disk;
 	unsigned long start_time;
-
+#ifdef CONFIG_BLK_CGROUP
+	unsigned long long start_time_ns;
+	unsigned long long io_start_time_ns;    /* when passed to hardware */
+#endif
 	/* Number of scatter-gather DMA addr+len pairs after
 	 * physical address coalescing is performed.
 	 */
@@ -1196,6 +1199,21 @@ static inline void put_dev_sector(Sector p)
 struct work_struct;
 int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
 
+#ifdef CONFIG_BLK_CGROUP
+static inline void set_start_time_ns(struct request *req)
+{
+	req->start_time_ns = sched_clock();
+}
+
+static inline void set_io_start_time_ns(struct request *req)
+{
+	req->io_start_time_ns = sched_clock();
+}
+#else
+static inline void set_start_time_ns(struct request *req) {}
+static inline void set_io_start_time_ns(struct request *req) {}
+#endif
+
 #define MODULE_ALIAS_BLOCKDEV(major,minor) \
 	MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))
 #define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \

From 3d61510f4ecacfe47c75c0eb51c0659dfa77fb1b Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 2 Apr 2010 13:21:58 -0400
Subject: [PATCH 0166/3638] HID: usbhid: enable remote wakeup for keyboards

This patch (as1365) enables remote wakeup by default for USB keyboard
devices.  Keyboards in general are supposed to be wakeup devices, but
the correct place to enable it depends on the device's bus; no single
approach will work for all keyboard devices.  In particular, this
covers only USB keyboards (and then only those supporting the boot
protocol).

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/usbhid/hid-core.c | 7 +++++--
 drivers/hid/usbhid/usbkbd.c   | 1 +
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 56d06cd8075..9cd61a52e9e 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1026,12 +1026,15 @@ static int usbhid_start(struct hid_device *hid)
 	/* Some keyboards don't work until their LEDs have been set.
 	 * Since BIOSes do set the LEDs, it must be safe for any device
 	 * that supports the keyboard boot protocol.
+	 * In addition, enable remote wakeup by default for all keyboard
+	 * devices supporting the boot protocol.
 	 */
 	if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT &&
 			interface->desc.bInterfaceProtocol ==
-				USB_INTERFACE_PROTOCOL_KEYBOARD)
+				USB_INTERFACE_PROTOCOL_KEYBOARD) {
 		usbhid_set_leds(hid);
-
+		device_set_wakeup_enable(&dev->dev, 1);
+	}
 	return 0;
 
 fail:
diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c
index f843443ba5c..b2fd0b00de9 100644
--- a/drivers/hid/usbhid/usbkbd.c
+++ b/drivers/hid/usbhid/usbkbd.c
@@ -313,6 +313,7 @@ static int usb_kbd_probe(struct usb_interface *iface,
 		goto fail2;
 
 	usb_set_intfdata(iface, kbd);
+	device_set_wakeup_enable(&dev->dev, 1);
 	return 0;
 
 fail2:	

From 6ad95513d60096b569e4e4bd721420f03b57e4d4 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Thu, 11 Mar 2010 12:20:06 -0700
Subject: [PATCH 0167/3638] ACPI: pci_root: save downstream bus range

Previously, we only saved the root bus number, i.e., the beginning of the
downstream bus range.  We now support IORESOURCE_BUS resources, so this
patch uses that to keep track of both the beginning and the end of the
downstream bus range.

It's important to know both the beginning and the end for supporting _CBA
(see PCI Firmware spec, rev 3.0, sec 4.1.3) and so we know the limits for
any possible PCI bus renumbering (we can't renumber downstream buses to be
outside the bus number range claimed by the host bridge).

It's clear from the spec that the bus range is supposed to be in _CRS, but
if we don't find it there, we'll assume [_BBN - 0xFF] or [0 - 0xFF].

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/pci_root.c | 67 ++++++++++++++++++++++++-----------------
 include/acpi/acpi_bus.h |  2 +-
 2 files changed, 41 insertions(+), 28 deletions(-)

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index d724736d56c..bf476fea97a 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -119,7 +119,8 @@ acpi_handle acpi_get_pci_rootbridge_handle(unsigned int seg, unsigned int bus)
 	struct acpi_pci_root *root;
 	
 	list_for_each_entry(root, &acpi_pci_roots, node)
-		if ((root->segment == (u16) seg) && (root->bus_nr == (u16) bus))
+		if ((root->segment == (u16) seg) &&
+		    (root->secondary.start == (u16) bus))
 			return root->device->handle;
 	return NULL;		
 }
@@ -153,7 +154,7 @@ EXPORT_SYMBOL_GPL(acpi_is_root_bridge);
 static acpi_status
 get_root_bridge_busnr_callback(struct acpi_resource *resource, void *data)
 {
-	int *busnr = data;
+	struct resource *res = data;
 	struct acpi_resource_address64 address;
 
 	if (resource->type != ACPI_RESOURCE_TYPE_ADDRESS16 &&
@@ -163,28 +164,27 @@ get_root_bridge_busnr_callback(struct acpi_resource *resource, void *data)
 
 	acpi_resource_to_address64(resource, &address);
 	if ((address.address_length > 0) &&
-	    (address.resource_type == ACPI_BUS_NUMBER_RANGE))
-		*busnr = address.minimum;
+	    (address.resource_type == ACPI_BUS_NUMBER_RANGE)) {
+		res->start = address.minimum;
+		res->end = address.minimum + address.address_length - 1;
+	}
 
 	return AE_OK;
 }
 
 static acpi_status try_get_root_bridge_busnr(acpi_handle handle,
-					     unsigned long long *bus)
+					     struct resource *res)
 {
 	acpi_status status;
-	int busnum;
 
-	busnum = -1;
+	res->start = -1;
 	status =
 	    acpi_walk_resources(handle, METHOD_NAME__CRS,
-				get_root_bridge_busnr_callback, &busnum);
+				get_root_bridge_busnr_callback, res);
 	if (ACPI_FAILURE(status))
 		return status;
-	/* Check if we really get a bus number from _CRS */
-	if (busnum == -1)
+	if (res->start == -1)
 		return AE_ERROR;
-	*bus = busnum;
 	return AE_OK;
 }
 
@@ -428,34 +428,47 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	struct acpi_device *child;
 	u32 flags, base_flags;
 
+	root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
+	if (!root)
+		return -ENOMEM;
+
 	segment = 0;
 	status = acpi_evaluate_integer(device->handle, METHOD_NAME__SEG, NULL,
 				       &segment);
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
 		printk(KERN_ERR PREFIX "can't evaluate _SEG\n");
-		return -ENODEV;
+		result = -ENODEV;
+		goto end;
 	}
 
 	/* Check _CRS first, then _BBN.  If no _BBN, default to zero. */
-	bus = 0;
-	status = try_get_root_bridge_busnr(device->handle, &bus);
+	root->secondary.flags = IORESOURCE_BUS;
+	status = try_get_root_bridge_busnr(device->handle, &root->secondary);
 	if (ACPI_FAILURE(status)) {
+		/*
+		 * We need both the start and end of the downstream bus range
+		 * to interpret _CBA (MMCONFIG base address), so it really is
+		 * supposed to be in _CRS.  If we don't find it there, all we
+		 * can do is assume [_BBN-0xFF] or [0-0xFF].
+		 */
+		root->secondary.end = 0xFF;
+		printk(KERN_WARNING FW_BUG PREFIX
+		       "no secondary bus range in _CRS\n");
 		status = acpi_evaluate_integer(device->handle, METHOD_NAME__BBN,					       NULL, &bus);
-		if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
-			printk(KERN_ERR PREFIX
-			     "no bus number in _CRS and can't evaluate _BBN\n");
-			return -ENODEV;
+		if (ACPI_SUCCESS(status))
+			root->secondary.start = bus;
+		else if (status == AE_NOT_FOUND)
+			root->secondary.start = 0;
+		else {
+			printk(KERN_ERR PREFIX "can't evaluate _BBN\n");
+			result = -ENODEV;
+			goto end;
 		}
 	}
 
-	root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
-	if (!root)
-		return -ENOMEM;
-
 	INIT_LIST_HEAD(&root->node);
 	root->device = device;
 	root->segment = segment & 0xFFFF;
-	root->bus_nr = bus & 0xFF;
 	strcpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
 	device->driver_data = root;
@@ -474,9 +487,9 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	/* TBD: Locking */
 	list_add_tail(&root->node, &acpi_pci_roots);
 
-	printk(KERN_INFO PREFIX "%s [%s] (%04x:%02x)\n",
+	printk(KERN_INFO PREFIX "%s [%s] (domain %04x %pR)\n",
 	       acpi_device_name(device), acpi_device_bid(device),
-	       root->segment, root->bus_nr);
+	       root->segment, &root->secondary);
 
 	/*
 	 * Scan the Root Bridge
@@ -485,11 +498,11 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	 * PCI namespace does not get created until this call is made (and 
 	 * thus the root bridge's pci_dev does not exist).
 	 */
-	root->bus = pci_acpi_scan_root(device, segment, bus);
+	root->bus = pci_acpi_scan_root(device, segment, root->secondary.start);
 	if (!root->bus) {
 		printk(KERN_ERR PREFIX
 			    "Bus %04x:%02x not present in PCI namespace\n",
-			    root->segment, root->bus_nr);
+			    root->segment, (unsigned int)root->secondary.start);
 		result = -ENODEV;
 		goto end;
 	}
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 7bf83ddf82e..baacd98e7cc 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -373,7 +373,7 @@ struct acpi_pci_root {
 	struct acpi_pci_id id;
 	struct pci_bus *bus;
 	u16 segment;
-	u8 bus_nr;
+	struct resource secondary;	/* downstream bus range */
 
 	u32 osc_support_set;	/* _OSC state of support bits */
 	u32 osc_control_set;	/* _OSC state of control bits */

From 57283776b2b821ba4d592f61cad04d0293412740 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Thu, 11 Mar 2010 12:20:11 -0700
Subject: [PATCH 0168/3638] ACPI: pci_root: pass acpi_pci_root to arch-specific
 scan

The acpi_pci_root structure contains all the individual items (acpi_device,
domain, bus number) we pass to pci_acpi_scan_root(), so just pass the
single acpi_pci_root pointer directly.

This will make it easier to add _CBA support later.  For _CBA, we need the
entire downstream bus range, not just the base bus number.  We have that in
the acpi_pci_root structure, so passing the pointer makes it available to
the arch-specific code.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/ia64/pci/pci.c         | 5 ++++-
 arch/x86/pci/acpi.c         | 5 ++++-
 drivers/acpi/pci_root.c     | 2 +-
 include/acpi/acpi_drivers.h | 3 +--
 4 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 64aff520b89..aa2533ae7e9 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -335,8 +335,11 @@ pcibios_setup_root_windows(struct pci_bus *bus, struct pci_controller *ctrl)
 }
 
 struct pci_bus * __devinit
-pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
+pci_acpi_scan_root(struct acpi_pci_root *root)
 {
+	struct acpi_device *device = root->device;
+	int domain = root->segment;
+	int bus = root->secondary.start;
 	struct pci_controller *controller;
 	unsigned int windows = 0;
 	struct pci_bus *pbus;
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index e31160216ef..0b7882dbe78 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -229,8 +229,11 @@ res_alloc_fail:
 	return;
 }
 
-struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int domain, int busnum)
+struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
 {
+	struct acpi_device *device = root->device;
+	int domain = root->segment;
+	int busnum = root->secondary.start;
 	struct pci_bus *bus;
 	struct pci_sysdata *sd;
 	int node;
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index bf476fea97a..680450c905b 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -498,7 +498,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	 * PCI namespace does not get created until this call is made (and 
 	 * thus the root bridge's pci_dev does not exist).
 	 */
-	root->bus = pci_acpi_scan_root(device, segment, root->secondary.start);
+	root->bus = pci_acpi_scan_root(root);
 	if (!root->bus) {
 		printk(KERN_ERR PREFIX
 			    "Bus %04x:%02x not present in PCI namespace\n",
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 4f7b44866b7..23d78b4d088 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -104,8 +104,7 @@ int acpi_pci_bind_root(struct acpi_device *device);
 
 /* Arch-defined function to add a bus to the system */
 
-struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain,
-				   int bus);
+struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
 void pci_acpi_crs_quirks(void);
 
 /* --------------------------------------------------------------------------

From 61e57a8d72f2336faf39b5d940215cf085e01e6e Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:18 +0000
Subject: [PATCH 0169/3638] drm/edid: Fix secondary block fetch.

This makes fetching the second EDID block on HDMI monitors actually
work.  DDC can't transfer more than 128 bytes at a time.  Also,
rearrange the code so the pure DDC bits are separate from block parse.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 330 +++++++++++++++++++++----------------
 include/drm/drm_crtc.h     |   2 -
 2 files changed, 187 insertions(+), 145 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 7e608f4a0df..5e60a612964 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2,6 +2,7 @@
  * Copyright (c) 2006 Luc Verhaegen (quirks list)
  * Copyright (c) 2007-2008 Intel Corporation
  *   Jesse Barnes <jesse.barnes@intel.com>
+ * Copyright 2010 Red Hat, Inc.
  *
  * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
  * FB layer.
@@ -106,36 +107,38 @@ static struct edid_quirk {
 	{ "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
 };
 
+/*** DDC fetch and block validation ***/
 
-/* Valid EDID header has these bytes */
 static const u8 edid_header[] = {
 	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
 };
 
-/**
- * drm_edid_is_valid - sanity check EDID data
- * @edid: EDID data
- *
- * Sanity check the EDID block by looking at the header, the version number
- * and the checksum.  Return 0 if the EDID doesn't check out, or 1 if it's
- * valid.
+/*
+ * Sanity check the EDID block (base or extension).  Return 0 if the block
+ * doesn't check out, or 1 if it's valid.
  */
-bool drm_edid_is_valid(struct edid *edid)
+static bool
+drm_edid_block_valid(u8 *raw_edid)
 {
-	int i, score = 0;
+	int i;
 	u8 csum = 0;
-	u8 *raw_edid = (u8 *)edid;
+	struct edid *edid = (struct edid *)raw_edid;
 
-	for (i = 0; i < sizeof(edid_header); i++)
-		if (raw_edid[i] == edid_header[i])
-			score++;
+	if (raw_edid[0] == 0x00) {
+		int score = 0;
 
-	if (score == 8) ;
-	else if (score >= 6) {
-		DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
-		memcpy(raw_edid, edid_header, sizeof(edid_header));
-	} else
-		goto bad;
+		for (i = 0; i < sizeof(edid_header); i++)
+			if (raw_edid[i] == edid_header[i])
+				score++;
+
+		if (score == 8) ;
+		else if (score >= 6) {
+			DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
+			memcpy(raw_edid, edid_header, sizeof(edid_header));
+		} else {
+			goto bad;
+		}
+	}
 
 	for (i = 0; i < EDID_LENGTH; i++)
 		csum += raw_edid[i];
@@ -144,13 +147,21 @@ bool drm_edid_is_valid(struct edid *edid)
 		goto bad;
 	}
 
-	if (edid->version != 1) {
-		DRM_ERROR("EDID has major version %d, instead of 1\n", edid->version);
-		goto bad;
-	}
+	/* per-block-type checks */
+	switch (raw_edid[0]) {
+	case 0: /* base */
+		if (edid->version != 1) {
+			DRM_ERROR("EDID has major version %d, instead of 1\n", edid->version);
+			goto bad;
+		}
 
-	if (edid->revision > 4)
-		DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
+		if (edid->revision > 4)
+			DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
+		break;
+
+	default:
+		break;
+	}
 
 	return 1;
 
@@ -162,8 +173,158 @@ bad:
 	}
 	return 0;
 }
+
+/**
+ * drm_edid_is_valid - sanity check EDID data
+ * @edid: EDID data
+ *
+ * Sanity-check an entire EDID record (including extensions)
+ */
+bool drm_edid_is_valid(struct edid *edid)
+{
+	int i;
+	u8 *raw = (u8 *)edid;
+
+	if (!edid)
+		return false;
+
+	for (i = 0; i <= edid->extensions; i++)
+		if (!drm_edid_block_valid(raw + i * EDID_LENGTH))
+			return false;
+
+	return true;
+}
 EXPORT_SYMBOL(drm_edid_is_valid);
 
+#define DDC_ADDR 0x50
+#define DDC_SEGMENT_ADDR 0x30
+/**
+ * Get EDID information via I2C.
+ *
+ * \param adapter : i2c device adaptor
+ * \param buf     : EDID data buffer to be filled
+ * \param len     : EDID data buffer length
+ * \return 0 on success or -1 on failure.
+ *
+ * Try to fetch EDID information by calling i2c driver function.
+ */
+static int
+drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf,
+		      int block, int len)
+{
+	unsigned char start = block * EDID_LENGTH;
+	struct i2c_msg msgs[] = {
+		{
+			.addr	= DDC_ADDR,
+			.flags	= 0,
+			.len	= 1,
+			.buf	= &start,
+		}, {
+			.addr	= DDC_ADDR,
+			.flags	= I2C_M_RD,
+			.len	= len,
+			.buf	= buf + start,
+		}
+	};
+
+	if (i2c_transfer(adapter, msgs, 2) == 2)
+		return 0;
+
+	return -1;
+}
+
+static u8 *
+drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
+{
+	int i, j = 0;
+	u8 *block, *new;
+
+	if ((block = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
+		return NULL;
+
+	/* base block fetch */
+	for (i = 0; i < 4; i++) {
+		if (drm_do_probe_ddc_edid(adapter, block, 0, EDID_LENGTH))
+			goto out;
+		if (drm_edid_block_valid(block))
+			break;
+	}
+	if (i == 4)
+		goto carp;
+
+	/* if there's no extensions, we're done */
+	if (block[0x7e] == 0)
+		return block;
+
+	new = krealloc(block, (block[0x7e] + 1) * EDID_LENGTH, GFP_KERNEL);
+	if (!new)
+		goto out;
+	block = new;
+
+	for (j = 1; j <= block[0x7e]; j++) {
+		for (i = 0; i < 4; i++) {
+			if (drm_do_probe_ddc_edid(adapter, block, j,
+						  EDID_LENGTH))
+				goto out;
+			if (drm_edid_block_valid(block + j * EDID_LENGTH))
+				break;
+		}
+		if (i == 4)
+			goto carp;
+	}
+
+	return block;
+
+carp:
+	dev_warn(&connector->dev->pdev->dev, "%s: EDID block %d invalid.\n",
+		 drm_get_connector_name(connector), j);
+
+out:
+	kfree(block);
+	return NULL;
+}
+
+/**
+ * Probe DDC presence.
+ *
+ * \param adapter : i2c device adaptor
+ * \return 1 on success
+ */
+static bool
+drm_probe_ddc(struct i2c_adapter *adapter)
+{
+	unsigned char out;
+
+	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
+}
+
+/**
+ * drm_get_edid - get EDID data, if available
+ * @connector: connector we're probing
+ * @adapter: i2c adapter to use for DDC
+ *
+ * Poke the given i2c channel to grab EDID data if possible.  If found,
+ * attach it to the connector.
+ *
+ * Return edid data or NULL if we couldn't find any.
+ */
+struct edid *drm_get_edid(struct drm_connector *connector,
+			  struct i2c_adapter *adapter)
+{
+	struct edid *edid = NULL;
+
+	if (drm_probe_ddc(adapter))
+		edid = (struct edid *)drm_do_get_edid(connector, adapter);
+
+	connector->display_info.raw_edid = (char *)edid;
+
+	return edid;
+
+}
+EXPORT_SYMBOL(drm_get_edid);
+
+/*** EDID parsing ***/
+
 /**
  * edid_vendor - match a string against EDID's obfuscated vendor field
  * @edid: EDID to match
@@ -1141,123 +1302,6 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
 	return modes;
 }
 
-#define DDC_ADDR 0x50
-/**
- * Get EDID information via I2C.
- *
- * \param adapter : i2c device adaptor
- * \param buf     : EDID data buffer to be filled
- * \param len     : EDID data buffer length
- * \return 0 on success or -1 on failure.
- *
- * Try to fetch EDID information by calling i2c driver function.
- */
-int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
-			  unsigned char *buf, int len)
-{
-	unsigned char start = 0x0;
-	struct i2c_msg msgs[] = {
-		{
-			.addr	= DDC_ADDR,
-			.flags	= 0,
-			.len	= 1,
-			.buf	= &start,
-		}, {
-			.addr	= DDC_ADDR,
-			.flags	= I2C_M_RD,
-			.len	= len,
-			.buf	= buf,
-		}
-	};
-
-	if (i2c_transfer(adapter, msgs, 2) == 2)
-		return 0;
-
-	return -1;
-}
-EXPORT_SYMBOL(drm_do_probe_ddc_edid);
-
-static int drm_ddc_read_edid(struct drm_connector *connector,
-			     struct i2c_adapter *adapter,
-			     char *buf, int len)
-{
-	int i;
-
-	for (i = 0; i < 4; i++) {
-		if (drm_do_probe_ddc_edid(adapter, buf, len))
-			return -1;
-		if (drm_edid_is_valid((struct edid *)buf))
-			return 0;
-	}
-
-	/* repeated checksum failures; warn, but carry on */
-	dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n",
-		 drm_get_connector_name(connector));
-	return -1;
-}
-
-/**
- * drm_get_edid - get EDID data, if available
- * @connector: connector we're probing
- * @adapter: i2c adapter to use for DDC
- *
- * Poke the given connector's i2c channel to grab EDID data if possible.
- *
- * Return edid data or NULL if we couldn't find any.
- */
-struct edid *drm_get_edid(struct drm_connector *connector,
-			  struct i2c_adapter *adapter)
-{
-	int ret;
-	struct edid *edid;
-
-	edid = kmalloc(EDID_LENGTH * (DRM_MAX_EDID_EXT_NUM + 1),
-		       GFP_KERNEL);
-	if (edid == NULL) {
-		dev_warn(&connector->dev->pdev->dev,
-			 "Failed to allocate EDID\n");
-		goto end;
-	}
-
-	/* Read first EDID block */
-	ret = drm_ddc_read_edid(connector, adapter,
-				(unsigned char *)edid, EDID_LENGTH);
-	if (ret != 0)
-		goto clean_up;
-
-	/* There are EDID extensions to be read */
-	if (edid->extensions != 0) {
-		int edid_ext_num = edid->extensions;
-
-		if (edid_ext_num > DRM_MAX_EDID_EXT_NUM) {
-			dev_warn(&connector->dev->pdev->dev,
-				 "The number of extension(%d) is "
-				 "over max (%d), actually read number (%d)\n",
-				 edid_ext_num, DRM_MAX_EDID_EXT_NUM,
-				 DRM_MAX_EDID_EXT_NUM);
-			/* Reset EDID extension number to be read */
-			edid_ext_num = DRM_MAX_EDID_EXT_NUM;
-		}
-		/* Read EDID including extensions too */
-		ret = drm_ddc_read_edid(connector, adapter, (char *)edid,
-					EDID_LENGTH * (edid_ext_num + 1));
-		if (ret != 0)
-			goto clean_up;
-
-	}
-
-	connector->display_info.raw_edid = (char *)edid;
-	goto end;
-
-clean_up:
-	kfree(edid);
-	edid = NULL;
-end:
-	return edid;
-
-}
-EXPORT_SYMBOL(drm_get_edid);
-
 #define HDMI_IDENTIFIER 0x000C03
 #define VENDOR_BLOCK    0x03
 /**
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 1347524a8e3..f74523a299c 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -666,8 +666,6 @@ extern void drm_fb_release(struct drm_file *file_priv);
 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
 extern struct edid *drm_get_edid(struct drm_connector *connector,
 				 struct i2c_adapter *adapter);
-extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
-				 unsigned char *buf, int len);
 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);

From fbcc06b6439024b967cf6927b95d303f4c3c1a4f Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:19 +0000
Subject: [PATCH 0170/3638] drm/edid: Remove some misleading comments

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 5e60a612964..30095d912d6 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -33,11 +33,6 @@
 #include "drmP.h"
 #include "drm_edid.h"
 
-/*
- * TODO:
- *   - support EDID 1.4 (incl. CE blocks)
- */
-
 /*
  * EDID blocks out in the wild have a variety of bugs, try to collect
  * them here (note that userspace may work around broken monitors first,
@@ -694,9 +689,6 @@ bad_std_timing(u8 a, u8 b)
  *
  * Take the standard timing params (in this case width, aspect, and refresh)
  * and convert them into a real mode using CVT/GTF/DMT.
- *
- * Punts for now, but should eventually use the FB layer's CVT based mode
- * generation code.
  */
 struct drm_display_mode *drm_mode_std(struct drm_device *dev,
 				      struct std_timing *t,

From 2b470ab075b30aaeeab29d67b8f1f111096a5fbe Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:20 +0000
Subject: [PATCH 0171/3638] drm/edid: Remove a redundant check

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 30095d912d6..9c4717ff5f7 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1016,10 +1016,6 @@ static int add_standard_modes(struct drm_connector *connector, struct edid *edid
 		struct std_timing *t = &edid->standard_timings[i];
 		struct drm_display_mode *newmode;
 
-		/* If std timings bytes are 1, 1 it's empty */
-		if (t->hsize == 1 && t->vfreq_aspect == 1)
-			continue;
-
 		newmode = drm_mode_std(dev, &edid->standard_timings[i],
 				       edid->revision, timing_level);
 		if (newmode) {

From c867df7043b738da4f4d358d7039c243a29b4272 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:21 +0000
Subject: [PATCH 0172/3638] drm/edid: Reshuffle mode list construction to
 closer match the spec

Also, document what the spec says to do.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 9c4717ff5f7..858fedc33d9 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1377,10 +1377,24 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
 
 	quirks = edid_get_quirks(edid);
 
-	num_modes += add_established_modes(connector, edid);
-	num_modes += add_standard_modes(connector, edid);
+	/*
+	 * EDID spec says modes should be preferred in this order:
+	 * - preferred detailed mode
+	 * - other detailed modes from base block
+	 * - detailed modes from extension blocks
+	 * - CVT 3-byte code modes
+	 * - standard timing codes
+	 * - established timing codes
+	 * - modes inferred from GTF or CVT range information
+	 *
+	 * We don't quite implement this yet, but we're close.
+	 *
+	 * XXX order for additional mode types in extension blocks?
+	 */
 	num_modes += add_detailed_info(connector, edid, quirks);
 	num_modes += add_detailed_info_eedid(connector, edid, quirks);
+	num_modes += add_standard_modes(connector, edid);
+	num_modes += add_established_modes(connector, edid);
 
 	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
 		edid_fixup_preferred(connector, quirks);

From 2255be14cb82370a6af4054edb3b4cd170d80752 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:22 +0000
Subject: [PATCH 0173/3638] drm/edid: Add modes for Established Timings III
 section

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 91 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 858fedc33d9..58b67932f04 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1134,6 +1134,94 @@ static int drm_cvt_modes(struct drm_connector *connector,
 	return modes;
 }
 
+static const struct {
+	short w;
+	short h;
+	short r;
+	short rb;
+} est3_modes[] = {
+	/* byte 6 */
+	{ 640, 350, 85, 0 },
+	{ 640, 400, 85, 0 },
+	{ 720, 400, 85, 0 },
+	{ 640, 480, 85, 0 },
+	{ 848, 480, 60, 0 },
+	{ 800, 600, 85, 0 },
+	{ 1024, 768, 85, 0 },
+	{ 1152, 864, 75, 0 },
+	/* byte 7 */
+	{ 1280, 768, 60, 1 },
+	{ 1280, 768, 60, 0 },
+	{ 1280, 768, 75, 0 },
+	{ 1280, 768, 85, 0 },
+	{ 1280, 960, 60, 0 },
+	{ 1280, 960, 85, 0 },
+	{ 1280, 1024, 60, 0 },
+	{ 1280, 1024, 85, 0 },
+	/* byte 8 */
+	{ 1360, 768, 60, 0 },
+	{ 1440, 900, 60, 1 },
+	{ 1440, 900, 60, 0 },
+	{ 1440, 900, 75, 0 },
+	{ 1440, 900, 85, 0 },
+	{ 1400, 1050, 60, 1 },
+	{ 1400, 1050, 60, 0 },
+	{ 1400, 1050, 75, 0 },
+	/* byte 9 */
+	{ 1400, 1050, 85, 0 },
+	{ 1680, 1050, 60, 1 },
+	{ 1680, 1050, 60, 0 },
+	{ 1680, 1050, 75, 0 },
+	{ 1680, 1050, 85, 0 },
+	{ 1600, 1200, 60, 0 },
+	{ 1600, 1200, 65, 0 },
+	{ 1600, 1200, 70, 0 },
+	/* byte 10 */
+	{ 1600, 1200, 75, 0 },
+	{ 1600, 1200, 85, 0 },
+	{ 1792, 1344, 60, 0 },
+	{ 1792, 1344, 85, 0 },
+	{ 1856, 1392, 60, 0 },
+	{ 1856, 1392, 75, 0 },
+	{ 1920, 1200, 60, 1 },
+	{ 1920, 1200, 60, 0 },
+	/* byte 11 */
+	{ 1920, 1200, 75, 0 },
+	{ 1920, 1200, 85, 0 },
+	{ 1920, 1440, 60, 0 },
+	{ 1920, 1440, 75, 0 },
+};
+static const int num_est3_modes = sizeof(est3_modes) / sizeof(est3_modes[0]);
+
+static int
+drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
+{
+	int i, j, m, modes = 0;
+	struct drm_display_mode *mode;
+	u8 *est = ((u8 *)timing) + 5;
+
+	for (i = 0; i < 6; i++) {
+		for (j = 7; j > 0; j--) {
+			m = (i * 8) + (7 - j);
+			if (m > num_est3_modes)
+				break;
+			if (est[i] & (1 << j)) {
+				mode = drm_find_dmt(connector->dev,
+						    est3_modes[m].w,
+						    est3_modes[m].h,
+						    est3_modes[m].r
+						    /*, est3_modes[m].rb */);
+				if (mode) {
+					drm_mode_probed_add(connector, mode);
+					modes++;
+				}
+			}
+		}
+	}
+
+	return modes;
+}
+
 static int add_detailed_modes(struct drm_connector *connector,
 			      struct detailed_timing *timing,
 			      struct edid *edid, u32 quirks, int preferred)
@@ -1181,6 +1269,9 @@ static int add_detailed_modes(struct drm_connector *connector,
 	case EDID_DETAIL_CVT_3BYTE:
 		modes += drm_cvt_modes(connector, timing);
 		break;
+	case EDID_DETAIL_EST_TIMINGS:
+		modes += drm_est3_modes(connector, timing);
+		break;
 	default:
 		break;
 	}

From 7466f4cc508878a8328dff1c328a2b4108888d2e Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:23 +0000
Subject: [PATCH 0174/3638] drm/edid: Remove arbitrary EDID extension limit

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_crtc.c              |  7 +++++--
 drivers/gpu/drm/drm_edid.c              | 19 +++++--------------
 drivers/gpu/drm/drm_sysfs.c             |  2 +-
 drivers/gpu/drm/radeon/radeon_combios.c |  8 ++++----
 include/drm/drm_edid.h                  |  3 ---
 5 files changed, 15 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d91fb8c0b7b..aa24f2f9dc0 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -33,6 +33,7 @@
 #include "drm.h"
 #include "drmP.h"
 #include "drm_crtc.h"
+#include "drm_edid.h"
 
 struct drm_prop_enum_list {
 	int type;
@@ -2349,7 +2350,7 @@ int drm_mode_connector_update_edid_property(struct drm_connector *connector,
 					    struct edid *edid)
 {
 	struct drm_device *dev = connector->dev;
-	int ret = 0;
+	int ret = 0, size;
 
 	if (connector->edid_blob_ptr)
 		drm_property_destroy_blob(dev, connector->edid_blob_ptr);
@@ -2361,7 +2362,9 @@ int drm_mode_connector_update_edid_property(struct drm_connector *connector,
 		return ret;
 	}
 
-	connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 128, edid);
+	size = EDID_LENGTH * (1 + edid->extensions);
+	connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
+							    size, edid);
 
 	ret = drm_connector_property_set_value(connector,
 					       dev->mode_config.edid_property,
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 58b67932f04..cf24ecab6a4 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1325,7 +1325,6 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
 	int i, modes = 0;
 	char *edid_ext = NULL;
 	struct detailed_timing *timing;
-	int edid_ext_num;
 	int start_offset, end_offset;
 	int timing_level;
 
@@ -1342,19 +1341,15 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
 		return 0;
 	}
 
-	/* Chose real EDID extension number */
-	edid_ext_num = edid->extensions > DRM_MAX_EDID_EXT_NUM ?
-		DRM_MAX_EDID_EXT_NUM : edid->extensions;
-
 	/* Find CEA extension */
-	for (i = 0; i < edid_ext_num; i++) {
+	for (i = 0; i < edid->extensions; i++) {
 		edid_ext = (char *)edid + EDID_LENGTH * (i + 1);
 		/* This block is CEA extension */
 		if (edid_ext[0] == 0x02)
 			break;
 	}
 
-	if (i == edid_ext_num) {
+	if (i == edid->extensions) {
 		/* if there is no additional timing EDID block, return */
 		return 0;
 	}
@@ -1393,7 +1388,7 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
 bool drm_detect_hdmi_monitor(struct edid *edid)
 {
 	char *edid_ext = NULL;
-	int i, hdmi_id, edid_ext_num;
+	int i, hdmi_id;
 	int start_offset, end_offset;
 	bool is_hdmi = false;
 
@@ -1401,19 +1396,15 @@ bool drm_detect_hdmi_monitor(struct edid *edid)
 	if (edid == NULL || edid->extensions == 0)
 		goto end;
 
-	/* Chose real EDID extension number */
-	edid_ext_num = edid->extensions > DRM_MAX_EDID_EXT_NUM ?
-		       DRM_MAX_EDID_EXT_NUM : edid->extensions;
-
 	/* Find CEA extension */
-	for (i = 0; i < edid_ext_num; i++) {
+	for (i = 0; i < edid->extensions; i++) {
 		edid_ext = (char *)edid + EDID_LENGTH * (i + 1);
 		/* This block is CEA extension */
 		if (edid_ext[0] == 0x02)
 			break;
 	}
 
-	if (i == edid_ext_num)
+	if (i == edid->extensions)
 		goto end;
 
 	/* Data block offset in CEA extension block */
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 014ce24761b..7b7c83f6041 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -332,7 +332,7 @@ static struct device_attribute connector_attrs_opt1[] = {
 static struct bin_attribute edid_attr = {
 	.attr.name = "edid",
 	.attr.mode = 0444,
-	.size = 128,
+	.size = 0,
 	.read = edid_show,
 };
 
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 2becdeda68a..20f38b85c70 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -450,17 +450,17 @@ bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
 {
 	int edid_info;
 	struct edid *edid;
+	unsigned char *raw;
 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
 	if (!edid_info)
 		return false;
 
-	edid = kmalloc(EDID_LENGTH * (DRM_MAX_EDID_EXT_NUM + 1),
-		       GFP_KERNEL);
+	raw = rdev->bios + edid_info;
+	edid = kmalloc(EDID_LENGTH * (raw[0x7e] + 1), GFP_KERNEL);
 	if (edid == NULL)
 		return false;
 
-	memcpy((unsigned char *)edid,
-	       (unsigned char *)(rdev->bios + edid_info), EDID_LENGTH);
+	memcpy((unsigned char *)edid, raw, EDID_LENGTH * (raw[0x7e] + 1));
 
 	if (!drm_edid_is_valid(edid)) {
 		kfree(edid);
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index b4209898f11..d33c3e03860 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -201,7 +201,4 @@ struct edid {
 
 #define EDID_PRODUCT_ID(e) ((e)->prod_code[0] | ((e)->prod_code[1] << 8))
 
-/* define the number of Extension EDID block */
-#define DRM_MAX_EDID_EXT_NUM 4
-
 #endif /* __DRM_EDID_H__ */

From 59d8aff6e4fc2705053e7ce2948b51f7fe507536 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:24 +0000
Subject: [PATCH 0175/3638] drm/edid: Remove some silly comments

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index cf24ecab6a4..9aa65b289d0 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1328,31 +1328,20 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
 	int start_offset, end_offset;
 	int timing_level;
 
-	if (edid->version == 1 && edid->revision < 3) {
-		/* If the EDID version is less than 1.3, there is no
-		 * extension EDID.
-		 */
+	if (edid->version == 1 && edid->revision < 3)
 		return 0;
-	}
-	if (!edid->extensions) {
-		/* if there is no extension EDID, it is unnecessary to
-		 * parse the E-EDID to get detailed info
-		 */
+	if (!edid->extensions)
 		return 0;
-	}
 
 	/* Find CEA extension */
 	for (i = 0; i < edid->extensions; i++) {
 		edid_ext = (char *)edid + EDID_LENGTH * (i + 1);
-		/* This block is CEA extension */
 		if (edid_ext[0] == 0x02)
 			break;
 	}
 
-	if (i == edid->extensions) {
-		/* if there is no additional timing EDID block, return */
+	if (i == edid->extensions)
 		return 0;
-	}
 
 	/* Get the start offset of detailed timing block */
 	start_offset = edid_ext[2];

From a327f6b806103ee177aba20bb1e42ba7ec7d0f4b Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:25 +0000
Subject: [PATCH 0176/3638] drm/edid: Fix preferred mode parse for EDID 1.4

In 1.4, the first detailed mode is always the preferred mode.  The bit
that used to mean that, now means "this mode is the physical size in
pixels".

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 9aa65b289d0..2e1298cf576 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1295,7 +1295,10 @@ static int add_detailed_info(struct drm_connector *connector,
 
 	for (i = 0; i < EDID_DETAILED_TIMINGS; i++) {
 		struct detailed_timing *timing = &edid->detailed_timings[i];
-		int preferred = (i == 0) && (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
+		int preferred = (i == 0);
+
+		if (preferred && edid->version == 1 && edid->revision < 4)
+			preferred = (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
 
 		/* In 1.0, only timings are allowed */
 		if (!timing->pixel_clock && edid->version == 1 &&

From d1ff6409b1cd2cd2a65df415648fa38b9fdf4cd8 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:26 +0000
Subject: [PATCH 0177/3638] drm/edid: Add test for monitor reduced blanking
 support.

The generic block walk callback looks like overkill, but we'll need it
for other detailed block walks in the future.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 47 ++++++++++++++++++++++++++++++++++----
 1 file changed, 43 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 2e1298cf576..a1b6b433e5b 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -33,6 +33,10 @@
 #include "drmP.h"
 #include "drm_edid.h"
 
+#define EDID_EST_TIMINGS 16
+#define EDID_STD_TIMINGS 8
+#define EDID_DETAILED_TIMINGS 4
+
 /*
  * EDID blocks out in the wild have a variety of bugs, try to collect
  * them here (note that userspace may work around broken monitors first,
@@ -670,6 +674,45 @@ static struct drm_display_mode *drm_find_dmt(struct drm_device *dev,
 	return mode;
 }
 
+typedef void detailed_cb(struct detailed_timing *timing, void *closure);
+
+static void
+drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
+{
+	int i;
+	struct edid *edid = (struct edid *)raw_edid;
+
+	if (edid == NULL)
+		return;
+
+	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
+		cb(&(edid->detailed_timings[i]), closure);
+
+	/* XXX extension block walk */
+}
+
+static void
+is_rb(struct detailed_timing *t, void *data)
+{
+	u8 *r = (u8 *)t;
+	if (r[3] == EDID_DETAIL_MONITOR_RANGE)
+		if (r[15] & 0x10)
+			*(bool *)data = true;
+}
+
+/* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
+static bool
+drm_monitor_supports_rb(struct edid *edid)
+{
+	if (edid->revision >= 4) {
+		bool ret;
+		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
+		return ret;
+	}
+
+	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
+}
+
 /*
  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
  * monitors fill with ascii space (0x20) instead.
@@ -952,10 +995,6 @@ static struct drm_display_mode edid_est_modes[] = {
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
 };
 
-#define EDID_EST_TIMINGS 16
-#define EDID_STD_TIMINGS 8
-#define EDID_DETAILED_TIMINGS 4
-
 /**
  * add_established_modes - get est. modes from EDID and add them
  * @edid: EDID block to scan

From b17e52ef7e7961f02baec98872781386218558bc Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:27 +0000
Subject: [PATCH 0178/3638] drm/edid: Extend range-based mode addition for EDID
 1.4

1.4 adds better pixel clock precision, explicit reduced blanking
awareness, and extended sync ranges.  It's almost like a real spec.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 101 ++++++++++++++++++++++++++++---------
 1 file changed, 78 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index a1b6b433e5b..e746dd56658 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1066,36 +1066,89 @@ static int add_standard_modes(struct drm_connector *connector, struct edid *edid
 	return modes;
 }
 
+static bool
+mode_is_rb(struct drm_display_mode *mode)
+{
+	return (mode->htotal - mode->hdisplay == 160) &&
+	       (mode->hsync_end - mode->hdisplay == 80) &&
+	       (mode->hsync_end - mode->hsync_start == 32) &&
+	       (mode->vsync_start - mode->vdisplay == 3);
+}
+
+static bool
+mode_in_hsync_range(struct drm_display_mode *mode, struct edid *edid, u8 *t)
+{
+	int hsync, hmin, hmax;
+
+	hmin = t[7];
+	if (edid->revision >= 4)
+	    hmin += ((t[4] & 0x04) ? 255 : 0);
+	hmax = t[8];
+	if (edid->revision >= 4)
+	    hmax += ((t[4] & 0x08) ? 255 : 0);
+	hsync = drm_mode_hsync(mode);
+
+	return (hsync <= hmax && hsync >= hmin);
+}
+
+static bool
+mode_in_vsync_range(struct drm_display_mode *mode, struct edid *edid, u8 *t)
+{
+	int vsync, vmin, vmax;
+
+	vmin = t[5];
+	if (edid->revision >= 4)
+	    vmin += ((t[4] & 0x01) ? 255 : 0);
+	vmax = t[6];
+	if (edid->revision >= 4)
+	    vmax += ((t[4] & 0x02) ? 255 : 0);
+	vsync = drm_mode_vrefresh(mode);
+
+	return (vsync <= vmax && vsync >= vmin);
+}
+
+static u32
+range_pixel_clock(struct edid *edid, u8 *t)
+{
+	/* unspecified */
+	if (t[9] == 0 || t[9] == 255)
+		return 0;
+
+	/* 1.4 with CVT support gives us real precision, yay */
+	if (edid->revision >= 4 && t[10] == 0x04)
+		return (t[9] * 10000) - ((t[12] >> 2) * 250);
+
+	/* 1.3 is pathetic, so fuzz up a bit */
+	return t[9] * 10000 + 5001;
+}
+
 /*
- * XXX fix this for:
- * - GTF secondary curve formula
- * - EDID 1.4 range offsets
- * - CVT extended bits
+ * XXX fix this for GTF secondary curve formula
  */
 static bool
-mode_in_range(struct drm_display_mode *mode, struct detailed_timing *timing)
+mode_in_range(struct drm_display_mode *mode, struct edid *edid,
+	      struct detailed_timing *timing)
 {
-	struct detailed_data_monitor_range *range;
-	int hsync, vrefresh;
+	u32 max_clock;
+	u8 *t = (u8 *)timing;
 
-	range = &timing->data.other_data.data.range;
-
-	hsync = drm_mode_hsync(mode);
-	vrefresh = drm_mode_vrefresh(mode);
-
-	if (hsync < range->min_hfreq_khz || hsync > range->max_hfreq_khz)
+	if (!mode_in_hsync_range(mode, edid, t))
 		return false;
 
-	if (vrefresh < range->min_vfreq || vrefresh > range->max_vfreq)
+	if (!mode_in_vsync_range(mode, edid, t))
 		return false;
 
-	if (range->pixel_clock_mhz && range->pixel_clock_mhz != 0xff) {
-		/* be forgiving since it's in units of 10MHz */
-		int max_clock = range->pixel_clock_mhz * 10 + 9;
-		max_clock *= 1000;
+	if ((max_clock = range_pixel_clock(edid, t)))
 		if (mode->clock > max_clock)
 			return false;
-	}
+
+	/* 1.4 max horizontal check */
+	if (edid->revision >= 4 && t[10] == 0x04)
+		if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
+			return false;
+
+	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
+		return false;
 
 	return true;
 }
@@ -1104,15 +1157,16 @@ mode_in_range(struct drm_display_mode *mode, struct detailed_timing *timing)
  * XXX If drm_dmt_modes ever regrows the CVT-R modes (and it will) this will
  * need to account for them.
  */
-static int drm_gtf_modes_for_range(struct drm_connector *connector,
-				   struct detailed_timing *timing)
+static int
+drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
+			struct detailed_timing *timing)
 {
 	int i, modes = 0;
 	struct drm_display_mode *newmode;
 	struct drm_device *dev = connector->dev;
 
 	for (i = 0; i < drm_num_dmt_modes; i++) {
-		if (mode_in_range(drm_dmt_modes + i, timing)) {
+		if (mode_in_range(drm_dmt_modes + i, edid, timing)) {
 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
 			if (newmode) {
 				drm_mode_probed_add(connector, newmode);
@@ -1288,7 +1342,8 @@ static int add_detailed_modes(struct drm_connector *connector,
 	switch (data->type) {
 	case EDID_DETAIL_MONITOR_RANGE:
 		if (gtf)
-			modes += drm_gtf_modes_for_range(connector, timing);
+			modes += drm_gtf_modes_for_range(connector, edid,
+							 timing);
 		break;
 	case EDID_DETAIL_STD_MODES:
 		/* Six modes per detailed section */

From a0910c8e37c3bede089e9f9dee63a7eaf9601a43 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:28 +0000
Subject: [PATCH 0179/3638] drm/edid: Fix the HDTV hack.

Standard timings don't let you say 1366.  Both 1360 and 1368 have been
seen in the wild.  So invent a CVT timing for it.  CVT will round 1366 up
to 1368; we'll then manually underscan it.

Split this into two parts, since we need to do something sneaky between
them in the future.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index e746dd56658..d7214389c2d 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -765,15 +765,25 @@ struct drm_display_mode *drm_mode_std(struct drm_device *dev,
 		vsize = (hsize * 4) / 5;
 	else
 		vsize = (hsize * 9) / 16;
-	/* HDTV hack */
-	if (hsize == 1360 && vsize == 765 && vrefresh_rate == 60) {
-		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
+
+	/* HDTV hack, part 1 */
+	if (vrefresh_rate == 60 &&
+	    ((hsize == 1360 && vsize == 765) ||
+	     (hsize == 1368 && vsize == 769))) {
+		hsize = 1366;
+		vsize = 768;
+	}
+
+	/* HDTV hack, part 2 */
+	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
+		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
 				    false);
 		mode->hdisplay = 1366;
 		mode->vsync_start = mode->vsync_start - 1;
 		mode->vsync_end = mode->vsync_end - 1;
 		return mode;
 	}
+
 	mode = NULL;
 	/* check whether it can be found in default mode table */
 	mode = drm_find_dmt(dev, hsize, vsize, vrefresh_rate);

From 7ca6adb37918db21d076a489c6c39490fb34264e Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:29 +0000
Subject: [PATCH 0180/3638] drm/edid: Strengthen the algorithm for standard
 mode codes

If you have 1920x1200 in both detailed (probably RB) and standard
variants, you probably only want the RB version.  But we have no way of
guessing that from standard mode parse.  So, if a mode already exists
for a given w/h/r, skip adding it.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index d7214389c2d..6e999bd0393 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -733,12 +733,12 @@ bad_std_timing(u8 a, u8 b)
  * Take the standard timing params (in this case width, aspect, and refresh)
  * and convert them into a real mode using CVT/GTF/DMT.
  */
-struct drm_display_mode *drm_mode_std(struct drm_device *dev,
-				      struct std_timing *t,
-				      int revision,
-				      int timing_level)
+static struct drm_display_mode *
+drm_mode_std(struct drm_connector *connector, struct std_timing *t,
+	     int revision, int timing_level)
 {
-	struct drm_display_mode *mode;
+	struct drm_device *dev = connector->dev;
+	struct drm_display_mode *m, *mode = NULL;
 	int hsize, vsize;
 	int vrefresh_rate;
 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
@@ -774,6 +774,17 @@ struct drm_display_mode *drm_mode_std(struct drm_device *dev,
 		vsize = 768;
 	}
 
+	/*
+	 * If this connector already has a mode for this size and refresh
+	 * rate (because it came from detailed or CVT info), use that
+	 * instead.  This way we don't have to guess at interlace or
+	 * reduced blanking.
+	 */
+	list_for_each_entry(m, &connector->modes, head)
+		if (m->hdisplay == hsize && m->vdisplay == vsize &&
+		    drm_mode_vrefresh(m) == vrefresh_rate)
+			return NULL;
+
 	/* HDTV hack, part 2 */
 	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
 		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
@@ -784,7 +795,6 @@ struct drm_display_mode *drm_mode_std(struct drm_device *dev,
 		return mode;
 	}
 
-	mode = NULL;
 	/* check whether it can be found in default mode table */
 	mode = drm_find_dmt(dev, hsize, vsize, vrefresh_rate);
 	if (mode)
@@ -1055,17 +1065,15 @@ static int standard_timing_level(struct edid *edid)
  */
 static int add_standard_modes(struct drm_connector *connector, struct edid *edid)
 {
-	struct drm_device *dev = connector->dev;
 	int i, modes = 0;
 	int timing_level;
 
 	timing_level = standard_timing_level(edid);
 
 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
-		struct std_timing *t = &edid->standard_timings[i];
 		struct drm_display_mode *newmode;
 
-		newmode = drm_mode_std(dev, &edid->standard_timings[i],
+		newmode = drm_mode_std(connector, &edid->standard_timings[i],
 				       edid->revision, timing_level);
 		if (newmode) {
 			drm_mode_probed_add(connector, newmode);
@@ -1362,7 +1370,7 @@ static int add_detailed_modes(struct drm_connector *connector,
 			struct drm_display_mode *newmode;
 
 			std = &data->data.timings[i];
-			newmode = drm_mode_std(dev, std, edid->revision,
+			newmode = drm_mode_std(connector, std, edid->revision,
 					       timing_level);
 			if (newmode) {
 				drm_mode_probed_add(connector, newmode);

From 7a37435008b0ffea2442eb1134ddd4adeea81e19 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:30 +0000
Subject: [PATCH 0181/3638] drm/edid: Add secondary GTF curve support

Before CVT-R, some monitors would advertise support for an alternative
GTF formula with lower blanking intervals.  Correctly identify such
monitors, and use the alternative formula when generating modes for
them.

Note that we only do this for "standard" timing descriptors (tuples of
hsize in characters / aspect ratio / vertical refresh).  Range-based
mode lists still only refer to the primary GTF curve.  It would be
possible to do better for the latter case, but monitors are required to
support the primary curve over the entire advertised range, so all it
would win you is a lower pixel clock and therefore possibly better image
quality on analog links.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c  | 119 ++++++++++++++++++++++++++++--------
 drivers/gpu/drm/drm_modes.c |  81 ++++++++++++++++--------
 include/drm/drm_crtc.h      |   4 ++
 3 files changed, 150 insertions(+), 54 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 6e999bd0393..3924a7bf271 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -64,7 +64,8 @@
 
 #define LEVEL_DMT	0
 #define LEVEL_GTF	1
-#define LEVEL_CVT	2
+#define LEVEL_GTF2	2
+#define LEVEL_CVT	3
 
 static struct edid_quirk {
 	char *vendor;
@@ -713,6 +714,71 @@ drm_monitor_supports_rb(struct edid *edid)
 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
 }
 
+static void
+find_gtf2(struct detailed_timing *t, void *data)
+{
+	u8 *r = (u8 *)t;
+	if (r[3] == EDID_DETAIL_MONITOR_RANGE && r[10] == 0x02)
+		*(u8 **)data = r;
+}
+
+/* Secondary GTF curve kicks in above some break frequency */
+static int
+drm_gtf2_hbreak(struct edid *edid)
+{
+	u8 *r = NULL;
+	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+	return r ? (r[12] * 2) : 0;
+}
+
+static int
+drm_gtf2_2c(struct edid *edid)
+{
+	u8 *r = NULL;
+	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+	return r ? r[13] : 0;
+}
+
+static int
+drm_gtf2_m(struct edid *edid)
+{
+	u8 *r = NULL;
+	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+	return r ? (r[15] << 8) + r[14] : 0;
+}
+
+static int
+drm_gtf2_k(struct edid *edid)
+{
+	u8 *r = NULL;
+	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+	return r ? r[16] : 0;
+}
+
+static int
+drm_gtf2_2j(struct edid *edid)
+{
+	u8 *r = NULL;
+	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+	return r ? r[17] : 0;
+}
+
+/**
+ * standard_timing_level - get std. timing level(CVT/GTF/DMT)
+ * @edid: EDID block to scan
+ */
+static int standard_timing_level(struct edid *edid)
+{
+	if (edid->revision >= 2) {
+		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
+			return LEVEL_CVT;
+		if (drm_gtf2_hbreak(edid))
+			return LEVEL_GTF2;
+		return LEVEL_GTF;
+	}
+	return LEVEL_DMT;
+}
+
 /*
  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
  * monitors fill with ascii space (0x20) instead.
@@ -734,8 +800,8 @@ bad_std_timing(u8 a, u8 b)
  * and convert them into a real mode using CVT/GTF/DMT.
  */
 static struct drm_display_mode *
-drm_mode_std(struct drm_connector *connector, struct std_timing *t,
-	     int revision, int timing_level)
+drm_mode_std(struct drm_connector *connector, struct edid *edid,
+	     struct std_timing *t, int revision)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_display_mode *m, *mode = NULL;
@@ -745,6 +811,7 @@ drm_mode_std(struct drm_connector *connector, struct std_timing *t,
 		>> EDID_TIMING_ASPECT_SHIFT;
 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
 		>> EDID_TIMING_VFREQ_SHIFT;
+	int timing_level = standard_timing_level(edid);
 
 	if (bad_std_timing(t->hsize, t->vfreq_aspect))
 		return NULL;
@@ -806,6 +873,23 @@ drm_mode_std(struct drm_connector *connector, struct std_timing *t,
 	case LEVEL_GTF:
 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
 		break;
+	case LEVEL_GTF2:
+		/*
+		 * This is potentially wrong if there's ever a monitor with
+		 * more than one ranges section, each claiming a different
+		 * secondary GTF curve.  Please don't do that.
+		 */
+		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
+		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
+			kfree(mode);
+			mode = drm_gtf_mode_complex(dev, hsize, vsize,
+						    vrefresh_rate, 0, 0,
+						    drm_gtf2_m(edid),
+						    drm_gtf2_2c(edid),
+						    drm_gtf2_k(edid),
+						    drm_gtf2_2j(edid));
+		}
+		break;
 	case LEVEL_CVT:
 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
 				    false);
@@ -1042,19 +1126,6 @@ static int add_established_modes(struct drm_connector *connector, struct edid *e
 
 	return modes;
 }
-/**
- * stanard_timing_level - get std. timing level(CVT/GTF/DMT)
- * @edid: EDID block to scan
- */
-static int standard_timing_level(struct edid *edid)
-{
-	if (edid->revision >= 2) {
-		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
-			return LEVEL_CVT;
-		return LEVEL_GTF;
-	}
-	return LEVEL_DMT;
-}
 
 /**
  * add_standard_modes - get std. modes from EDID and add them
@@ -1066,15 +1137,13 @@ static int standard_timing_level(struct edid *edid)
 static int add_standard_modes(struct drm_connector *connector, struct edid *edid)
 {
 	int i, modes = 0;
-	int timing_level;
-
-	timing_level = standard_timing_level(edid);
 
 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
 		struct drm_display_mode *newmode;
 
-		newmode = drm_mode_std(connector, &edid->standard_timings[i],
-				       edid->revision, timing_level);
+		newmode = drm_mode_std(connector, edid,
+				       &edid->standard_timings[i],
+				       edid->revision);
 		if (newmode) {
 			drm_mode_probed_add(connector, newmode);
 			modes++;
@@ -1140,9 +1209,6 @@ range_pixel_clock(struct edid *edid, u8 *t)
 	return t[9] * 10000 + 5001;
 }
 
-/*
- * XXX fix this for GTF secondary curve formula
- */
 static bool
 mode_in_range(struct drm_display_mode *mode, struct edid *edid,
 	      struct detailed_timing *timing)
@@ -1339,7 +1405,6 @@ static int add_detailed_modes(struct drm_connector *connector,
 {
 	int i, modes = 0;
 	struct detailed_non_pixel *data = &timing->data.other_data;
-	int timing_level = standard_timing_level(edid);
 	int gtf = (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF);
 	struct drm_display_mode *newmode;
 	struct drm_device *dev = connector->dev;
@@ -1370,8 +1435,8 @@ static int add_detailed_modes(struct drm_connector *connector,
 			struct drm_display_mode *newmode;
 
 			std = &data->data.timings[i];
-			newmode = drm_mode_std(connector, std, edid->revision,
-					       timing_level);
+			newmode = drm_mode_std(connector, edid, std,
+					       edid->revision);
 			if (newmode) {
 				drm_mode_probed_add(connector, newmode);
 				modes++;
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 76d63394c77..d460b6c472d 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -276,35 +276,29 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay,
 EXPORT_SYMBOL(drm_cvt_mode);
 
 /**
- * drm_gtf_mode - create the modeline based on GTF algorithm
+ * drm_gtf_mode_complex - create the modeline based on full GTF algorithm
  *
  * @dev		:drm device
  * @hdisplay	:hdisplay size
  * @vdisplay	:vdisplay size
  * @vrefresh	:vrefresh rate.
  * @interlaced	:whether the interlace is supported
- * @margins	:whether the margin is supported
+ * @margins	:desired margin size
+ * @GTF_[MCKJ]  :extended GTF formula parameters
  *
  * LOCKING.
  * none.
  *
- * return the modeline based on GTF algorithm
+ * return the modeline based on full GTF algorithm.
  *
- * This function is to create the modeline based on the GTF algorithm.
- * Generalized Timing Formula is derived from:
- *	GTF Spreadsheet by Andy Morrish (1/5/97)
- *	available at http://www.vesa.org
- *
- * And it is copied from the file of xserver/hw/xfree86/modes/xf86gtf.c.
- * What I have done is to translate it by using integer calculation.
- * I also refer to the function of fb_get_mode in the file of
- * drivers/video/fbmon.c
+ * GTF feature blocks specify C and J in multiples of 0.5, so we pass them
+ * in here multiplied by two.  For a C of 40, pass in 80.
  */
-struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, int hdisplay,
-				      int vdisplay, int vrefresh,
-				      bool interlaced, int margins)
-{
-	/* 1) top/bottom margin size (% of height) - default: 1.8, */
+struct drm_display_mode *
+drm_gtf_mode_complex(struct drm_device *dev, int hdisplay, int vdisplay,
+		     int vrefresh, bool interlaced, int margins,
+		     int GTF_M, int GTF_2C, int GTF_K, int GTF_2J)
+{	/* 1) top/bottom margin size (% of height) - default: 1.8, */
 #define	GTF_MARGIN_PERCENTAGE		18
 	/* 2) character cell horizontal granularity (pixels) - default 8 */
 #define	GTF_CELL_GRAN			8
@@ -316,17 +310,9 @@ struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, int hdisplay,
 #define H_SYNC_PERCENT			8
 	/* min time of vsync + back porch (microsec) */
 #define MIN_VSYNC_PLUS_BP		550
-	/* blanking formula gradient */
-#define GTF_M				600
-	/* blanking formula offset */
-#define GTF_C				40
-	/* blanking formula scaling factor */
-#define GTF_K				128
-	/* blanking formula scaling factor */
-#define GTF_J				20
 	/* C' and M' are part of the Blanking Duty Cycle computation */
-#define GTF_C_PRIME		(((GTF_C - GTF_J) * GTF_K / 256) + GTF_J)
-#define GTF_M_PRIME		(GTF_K * GTF_M / 256)
+#define GTF_C_PRIME	((((GTF_2C - GTF_2J) * GTF_K / 256) + GTF_2J) / 2)
+#define GTF_M_PRIME	(GTF_K * GTF_M / 256)
 	struct drm_display_mode *drm_mode;
 	unsigned int hdisplay_rnd, vdisplay_rnd, vfieldrate_rqd;
 	int top_margin, bottom_margin;
@@ -470,7 +456,48 @@ struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, int hdisplay,
 
 	return drm_mode;
 }
+EXPORT_SYMBOL(drm_gtf_mode_complex);
+
+/**
+ * drm_gtf_mode - create the modeline based on GTF algorithm
+ *
+ * @dev		:drm device
+ * @hdisplay	:hdisplay size
+ * @vdisplay	:vdisplay size
+ * @vrefresh	:vrefresh rate.
+ * @interlaced	:whether the interlace is supported
+ * @margins	:whether the margin is supported
+ *
+ * LOCKING.
+ * none.
+ *
+ * return the modeline based on GTF algorithm
+ *
+ * This function is to create the modeline based on the GTF algorithm.
+ * Generalized Timing Formula is derived from:
+ *	GTF Spreadsheet by Andy Morrish (1/5/97)
+ *	available at http://www.vesa.org
+ *
+ * And it is copied from the file of xserver/hw/xfree86/modes/xf86gtf.c.
+ * What I have done is to translate it by using integer calculation.
+ * I also refer to the function of fb_get_mode in the file of
+ * drivers/video/fbmon.c
+ *
+ * Standard GTF parameters:
+ * M = 600
+ * C = 40
+ * K = 128
+ * J = 20
+ */
+struct drm_display_mode *
+drm_gtf_mode(struct drm_device *dev, int hdisplay, int vdisplay, int vrefresh,
+	     bool lace, int margins)
+{
+	return drm_gtf_mode_complex(dev, hdisplay, vdisplay, vrefresh, lace,
+				    margins, 600, 40 * 2, 128, 20 * 2);
+}
 EXPORT_SYMBOL(drm_gtf_mode);
+
 /**
  * drm_mode_set_name - set the name on a mode
  * @mode: name will be set in this mode
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index f74523a299c..8eb3630ee67 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -797,6 +797,10 @@ extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
 				int hdisplay, int vdisplay, int vrefresh,
 				bool interlaced, int margins);
+extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
+				int hdisplay, int vdisplay, int vrefresh,
+				bool interlaced, int margins, int GTF_M,
+				int GTF_2C, int GTF_K, int GTF_2J);
 extern int drm_add_modes_noedid(struct drm_connector *connector,
 				int hdisplay, int vdisplay);
 

From 171fdd892979081e8a9b1a67ce86c7008b7abbdf Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 29 Mar 2010 21:43:31 +0000
Subject: [PATCH 0182/3638] drm/modes: Fix interlaced mode names

Height in frame size, not field size, and trailed with an 'i'.  Matches
the X server behaviour.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c  |  4 ++--
 drivers/gpu/drm/drm_modes.c | 21 ++++++++++++---------
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 3924a7bf271..0f8c06311cf 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1013,10 +1013,10 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
 	if (mode->vsync_end > mode->vtotal)
 		mode->vtotal = mode->vsync_end + 1;
 
-	drm_mode_set_name(mode);
-
 	drm_mode_do_interlace_quirk(mode, pt);
 
+	drm_mode_set_name(mode);
+
 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
 	}
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index d460b6c472d..8840066a577 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -258,8 +258,10 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay,
 	drm_mode->clock -= drm_mode->clock % CVT_CLOCK_STEP;
 	/* 18/16. Find actual vertical frame frequency */
 	/* ignore - just set the mode flag for interlaced */
-	if (interlaced)
+	if (interlaced) {
 		drm_mode->vtotal *= 2;
+		drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;
+	}
 	/* Fill the mode line name */
 	drm_mode_set_name(drm_mode);
 	if (reduced)
@@ -268,10 +270,8 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay,
 	else
 		drm_mode->flags |= (DRM_MODE_FLAG_PVSYNC |
 					DRM_MODE_FLAG_NHSYNC);
-	if (interlaced)
-		drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;
 
-    return drm_mode;
+	return drm_mode;
 }
 EXPORT_SYMBOL(drm_cvt_mode);
 
@@ -446,14 +446,14 @@ drm_gtf_mode_complex(struct drm_device *dev, int hdisplay, int vdisplay,
 
 	drm_mode->clock = pixel_freq;
 
-	drm_mode_set_name(drm_mode);
-	drm_mode->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC;
-
 	if (interlaced) {
 		drm_mode->vtotal *= 2;
 		drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;
 	}
 
+	drm_mode_set_name(drm_mode);
+	drm_mode->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC;
+
 	return drm_mode;
 }
 EXPORT_SYMBOL(drm_gtf_mode_complex);
@@ -509,8 +509,11 @@ EXPORT_SYMBOL(drm_gtf_mode);
  */
 void drm_mode_set_name(struct drm_display_mode *mode)
 {
-	snprintf(mode->name, DRM_DISPLAY_MODE_LEN, "%dx%d", mode->hdisplay,
-		 mode->vdisplay);
+	bool interlaced = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
+
+	snprintf(mode->name, DRM_DISPLAY_MODE_LEN, "%dx%d%s",
+		 mode->hdisplay, mode->vdisplay,
+		 interlaced ? "i" : "");
 }
 EXPORT_SYMBOL(drm_mode_set_name);
 

From 225758d8ba4fdcc1e8c9cf617fd89529bd4a9596 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Tue, 9 Mar 2010 14:45:10 +0000
Subject: [PATCH 0183/3638] drm/radeon/kms: fence cleanup + more reliable GPU
 lockup detection V4

This patch cleanup the fence code, it drops the timeout field of
fence as the time to complete each IB is unpredictable and shouldn't
be bound.

The fence cleanup lead to GPU lockup detection improvement, this
patch introduce a callback, allowing to do asic specific test for
lockup detection. In this patch the CP is use as a first indicator
of GPU lockup. If CP doesn't make progress during 1second we assume
we are facing a GPU lockup.

To avoid overhead of testing GPU lockup frequently due to fence
taking time to be signaled we query the lockup callback every
500msec. There is plenty code comment explaining the design & choise
inside the code.

This have been tested mostly on R3XX/R5XX hw, in normal running
destkop (compiz firefox, quake3 running) the lockup callback wasn't
call once (1 hour session). Also tested with forcing GPU lockup and
lockup was reported after the 1s CP activity timeout.

V2 switch to 500ms timeout so GPU lockup get call at least 2 times
   in less than 2sec.
V3 store last jiffies in fence struct so on ERESTART, EBUSY we keep
   track of how long we already wait for a given fence
V4 make sure we got up to date cp read pointer so we don't have
   false positive

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c    |   6 ++
 drivers/gpu/drm/radeon/r100.c         |  86 +++++++++++++++++++++
 drivers/gpu/drm/radeon/r300.c         |  28 ++++++-
 drivers/gpu/drm/radeon/r600.c         |  34 ++++++++-
 drivers/gpu/drm/radeon/radeon.h       | 104 +++++++++++++++-----------
 drivers/gpu/drm/radeon/radeon_asic.c  |  15 +++-
 drivers/gpu/drm/radeon/radeon_asic.h  |   7 +-
 drivers/gpu/drm/radeon/radeon_fence.c | 102 +++++++++++++------------
 drivers/gpu/drm/radeon/rv770.c        |   6 --
 9 files changed, 281 insertions(+), 107 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 647a0efdc35..3070e599412 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -486,6 +486,12 @@ int evergreen_mc_init(struct radeon_device *rdev)
 	return 0;
 }
 
+bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
+{
+	/* FIXME: implement for evergreen */
+	return false;
+}
+
 int evergreen_gpu_reset(struct radeon_device *rdev)
 {
 	/* FIXME: implement for evergreen */
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 3ae51ada1ab..845c8f3063f 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1777,6 +1777,92 @@ int r100_rb2d_reset(struct radeon_device *rdev)
 	return -1;
 }
 
+void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
+{
+	lockup->last_cp_rptr = cp->rptr;
+	lockup->last_jiffies = jiffies;
+}
+
+/**
+ * r100_gpu_cp_is_lockup() - check if CP is lockup by recording information
+ * @rdev:	radeon device structure
+ * @lockup:	r100_gpu_lockup structure holding CP lockup tracking informations
+ * @cp:		radeon_cp structure holding CP information
+ *
+ * We don't need to initialize the lockup tracking information as we will either
+ * have CP rptr to a different value of jiffies wrap around which will force
+ * initialization of the lockup tracking informations.
+ *
+ * A possible false positivie is if we get call after while and last_cp_rptr ==
+ * the current CP rptr, even if it's unlikely it might happen. To avoid this
+ * if the elapsed time since last call is bigger than 2 second than we return
+ * false and update the tracking information. Due to this the caller must call
+ * r100_gpu_cp_is_lockup several time in less than 2sec for lockup to be reported
+ * the fencing code should be cautious about that.
+ *
+ * Caller should write to the ring to force CP to do something so we don't get
+ * false positive when CP is just gived nothing to do.
+ *
+ **/
+bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
+{
+	unsigned long cjiffies, elapsed;
+
+	cjiffies = jiffies;
+	if (!time_after(cjiffies, lockup->last_jiffies)) {
+		/* likely a wrap around */
+		lockup->last_cp_rptr = cp->rptr;
+		lockup->last_jiffies = jiffies;
+		return false;
+	}
+	if (cp->rptr != lockup->last_cp_rptr) {
+		/* CP is still working no lockup */
+		lockup->last_cp_rptr = cp->rptr;
+		lockup->last_jiffies = jiffies;
+		return false;
+	}
+	elapsed = jiffies_to_msecs(cjiffies - lockup->last_jiffies);
+	if (elapsed >= 3000) {
+		/* very likely the improbable case where current
+		 * rptr is equal to last recorded, a while ago, rptr
+		 * this is more likely a false positive update tracking
+		 * information which should force us to be recall at
+		 * latter point
+		 */
+		lockup->last_cp_rptr = cp->rptr;
+		lockup->last_jiffies = jiffies;
+		return false;
+	}
+	if (elapsed >= 1000) {
+		dev_err(rdev->dev, "GPU lockup CP stall for more than %lumsec\n", elapsed);
+		return true;
+	}
+	/* give a chance to the GPU ... */
+	return false;
+}
+
+bool r100_gpu_is_lockup(struct radeon_device *rdev)
+{
+	u32 rbbm_status;
+	int r;
+
+	rbbm_status = RREG32(R_000E40_RBBM_STATUS);
+	if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
+		r100_gpu_lockup_update(&rdev->config.r100.lockup, &rdev->cp);
+		return false;
+	}
+	/* force CP activities */
+	r = radeon_ring_lock(rdev, 2);
+	if (!r) {
+		/* PACKET2 NOP */
+		radeon_ring_write(rdev, 0x80000000);
+		radeon_ring_write(rdev, 0x80000000);
+		radeon_ring_unlock_commit(rdev);
+	}
+	rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
+	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, &rdev->cp);
+}
+
 int r100_gpu_reset(struct radeon_device *rdev)
 {
 	uint32_t status;
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 0e9eb761a90..9825fb19331 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -26,8 +26,9 @@
  *          Jerome Glisse
  */
 #include <linux/seq_file.h>
-#include "drmP.h"
-#include "drm.h"
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/drm_crtc_helper.h>
 #include "radeon_reg.h"
 #include "radeon.h"
 #include "radeon_asic.h"
@@ -426,12 +427,35 @@ int r300_ga_reset(struct radeon_device *rdev)
 	return -1;
 }
 
+bool r300_gpu_is_lockup(struct radeon_device *rdev)
+{
+	u32 rbbm_status;
+	int r;
+
+	rbbm_status = RREG32(R_000E40_RBBM_STATUS);
+	if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
+		r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp);
+		return false;
+	}
+	/* force CP activities */
+	r = radeon_ring_lock(rdev, 2);
+	if (!r) {
+		/* PACKET2 NOP */
+		radeon_ring_write(rdev, 0x80000000);
+		radeon_ring_write(rdev, 0x80000000);
+		radeon_ring_unlock_commit(rdev);
+	}
+	rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
+	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
+}
+
 int r300_gpu_reset(struct radeon_device *rdev)
 {
 	uint32_t status;
 
 	/* reset order likely matter */
 	status = RREG32(RADEON_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 	/* reset HDP */
 	r100_hdp_reset(rdev);
 	/* reset rb2d */
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 5509354c7c8..a09c062df4d 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -784,7 +784,7 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
 		dev_info(rdev->dev, "  R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
 		WREG32(R_008020_GRBM_SOFT_RESET, tmp);
 		(void)RREG32(R_008020_GRBM_SOFT_RESET);
-		udelay(50);
+		mdelay(1);
 		WREG32(R_008020_GRBM_SOFT_RESET, 0);
 		(void)RREG32(R_008020_GRBM_SOFT_RESET);
 	}
@@ -824,16 +824,16 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
 	dev_info(rdev->dev, "  R_000E60_SRBM_SOFT_RESET=0x%08X\n", srbm_reset);
 	WREG32(R_000E60_SRBM_SOFT_RESET, srbm_reset);
 	(void)RREG32(R_000E60_SRBM_SOFT_RESET);
-	udelay(50);
+	mdelay(1);
 	WREG32(R_000E60_SRBM_SOFT_RESET, 0);
 	(void)RREG32(R_000E60_SRBM_SOFT_RESET);
 	WREG32(R_000E60_SRBM_SOFT_RESET, srbm_reset);
 	(void)RREG32(R_000E60_SRBM_SOFT_RESET);
-	udelay(50);
+	mdelay(1);
 	WREG32(R_000E60_SRBM_SOFT_RESET, 0);
 	(void)RREG32(R_000E60_SRBM_SOFT_RESET);
 	/* Wait a little for things to settle down */
-	udelay(50);
+	mdelay(1);
 	dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
 		RREG32(R_008010_GRBM_STATUS));
 	dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
@@ -848,6 +848,32 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
 	return 0;
 }
 
+bool r600_gpu_is_lockup(struct radeon_device *rdev)
+{
+	u32 srbm_status;
+	u32 grbm_status;
+	u32 grbm_status2;
+	int r;
+
+	srbm_status = RREG32(R_000E50_SRBM_STATUS);
+	grbm_status = RREG32(R_008010_GRBM_STATUS);
+	grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
+	if (!G_008010_GUI_ACTIVE(grbm_status)) {
+		r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp);
+		return false;
+	}
+	/* force CP activities */
+	r = radeon_ring_lock(rdev, 2);
+	if (!r) {
+		/* PACKET2 NOP */
+		radeon_ring_write(rdev, 0x80000000);
+		radeon_ring_write(rdev, 0x80000000);
+		radeon_ring_unlock_commit(rdev);
+	}
+	rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
+	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
+}
+
 int r600_gpu_reset(struct radeon_device *rdev)
 {
 	return r600_gpu_soft_reset(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 034218c3dbb..a3d13c36717 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -99,6 +99,7 @@ extern int radeon_hw_i2c;
  * symbol;
  */
 #define RADEON_MAX_USEC_TIMEOUT		100000	/* 100 ms */
+#define RADEON_FENCE_JIFFIES_TIMEOUT	(HZ / 2)
 /* RADEON_IB_POOL_SIZE must be a power of 2 */
 #define RADEON_IB_POOL_SIZE		16
 #define RADEON_DEBUGFS_MAX_NUM_FILES	32
@@ -182,7 +183,8 @@ struct radeon_fence_driver {
 	uint32_t			scratch_reg;
 	atomic_t			seq;
 	uint32_t			last_seq;
-	unsigned long			count_timeout;
+	unsigned long			last_jiffies;
+	unsigned long			last_timeout;
 	wait_queue_head_t		queue;
 	rwlock_t			lock;
 	struct list_head		created;
@@ -197,7 +199,6 @@ struct radeon_fence {
 	struct list_head		list;
 	/* protected by radeon_fence.lock */
 	uint32_t			seq;
-	unsigned long			timeout;
 	bool				emited;
 	bool				signaled;
 };
@@ -746,6 +747,7 @@ struct radeon_asic {
 	int (*resume)(struct radeon_device *rdev);
 	int (*suspend)(struct radeon_device *rdev);
 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
+	bool (*gpu_is_lockup)(struct radeon_device *rdev);
 	int (*gpu_reset)(struct radeon_device *rdev);
 	void (*gart_tlb_flush)(struct radeon_device *rdev);
 	int (*gart_set_page)(struct radeon_device *rdev, int i, uint64_t addr);
@@ -804,59 +806,68 @@ struct radeon_asic {
 /*
  * Asic structures
  */
+struct r100_gpu_lockup {
+	unsigned long	last_jiffies;
+	u32		last_cp_rptr;
+};
+
 struct r100_asic {
-	const unsigned	*reg_safe_bm;
-	unsigned	reg_safe_bm_size;
-	u32		hdp_cntl;
+	const unsigned		*reg_safe_bm;
+	unsigned		reg_safe_bm_size;
+	u32			hdp_cntl;
+	struct r100_gpu_lockup	lockup;
 };
 
 struct r300_asic {
-	const unsigned	*reg_safe_bm;
-	unsigned	reg_safe_bm_size;
-	u32		resync_scratch;
-	u32		hdp_cntl;
+	const unsigned		*reg_safe_bm;
+	unsigned		reg_safe_bm_size;
+	u32			resync_scratch;
+	u32			hdp_cntl;
+	struct r100_gpu_lockup	lockup;
 };
 
 struct r600_asic {
-	unsigned max_pipes;
-	unsigned max_tile_pipes;
-	unsigned max_simds;
-	unsigned max_backends;
-	unsigned max_gprs;
-	unsigned max_threads;
-	unsigned max_stack_entries;
-	unsigned max_hw_contexts;
-	unsigned max_gs_threads;
-	unsigned sx_max_export_size;
-	unsigned sx_max_export_pos_size;
-	unsigned sx_max_export_smx_size;
-	unsigned sq_num_cf_insts;
-	unsigned tiling_nbanks;
-	unsigned tiling_npipes;
-	unsigned tiling_group_size;
+	unsigned		max_pipes;
+	unsigned		max_tile_pipes;
+	unsigned		max_simds;
+	unsigned		max_backends;
+	unsigned		max_gprs;
+	unsigned		max_threads;
+	unsigned		max_stack_entries;
+	unsigned		max_hw_contexts;
+	unsigned		max_gs_threads;
+	unsigned		sx_max_export_size;
+	unsigned		sx_max_export_pos_size;
+	unsigned		sx_max_export_smx_size;
+	unsigned		sq_num_cf_insts;
+	unsigned		tiling_nbanks;
+	unsigned		tiling_npipes;
+	unsigned		tiling_group_size;
+	struct r100_gpu_lockup	lockup;
 };
 
 struct rv770_asic {
-	unsigned max_pipes;
-	unsigned max_tile_pipes;
-	unsigned max_simds;
-	unsigned max_backends;
-	unsigned max_gprs;
-	unsigned max_threads;
-	unsigned max_stack_entries;
-	unsigned max_hw_contexts;
-	unsigned max_gs_threads;
-	unsigned sx_max_export_size;
-	unsigned sx_max_export_pos_size;
-	unsigned sx_max_export_smx_size;
-	unsigned sq_num_cf_insts;
-	unsigned sx_num_of_sets;
-	unsigned sc_prim_fifo_size;
-	unsigned sc_hiz_tile_fifo_size;
-	unsigned sc_earlyz_tile_fifo_fize;
-	unsigned tiling_nbanks;
-	unsigned tiling_npipes;
-	unsigned tiling_group_size;
+	unsigned		max_pipes;
+	unsigned		max_tile_pipes;
+	unsigned		max_simds;
+	unsigned		max_backends;
+	unsigned		max_gprs;
+	unsigned		max_threads;
+	unsigned		max_stack_entries;
+	unsigned		max_hw_contexts;
+	unsigned		max_gs_threads;
+	unsigned		sx_max_export_size;
+	unsigned		sx_max_export_pos_size;
+	unsigned		sx_max_export_smx_size;
+	unsigned		sq_num_cf_insts;
+	unsigned		sx_num_of_sets;
+	unsigned		sc_prim_fifo_size;
+	unsigned		sc_hiz_tile_fifo_size;
+	unsigned		sc_earlyz_tile_fifo_fize;
+	unsigned		tiling_nbanks;
+	unsigned		tiling_npipes;
+	unsigned		tiling_group_size;
+	struct r100_gpu_lockup	lockup;
 };
 
 union radeon_asic_config {
@@ -1145,6 +1156,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
 #define radeon_cs_parse(p) rdev->asic->cs_parse((p))
 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
+#define radeon_gpu_is_lockup(rdev) (rdev)->asic->gpu_is_lockup((rdev))
 #define radeon_gpu_reset(rdev) (rdev)->asic->gpu_reset((rdev))
 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart_tlb_flush((rdev))
 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart_set_page((rdev), (i), (p))
@@ -1200,6 +1212,8 @@ extern int radeon_resume_kms(struct drm_device *dev);
 extern int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
 
 /* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 */
+extern void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_cp *cp);
+extern bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *lockup, struct radeon_cp *cp);
 
 /* rv200,rv250,rv280 */
 extern void r200_set_safe_registers(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index a4b4bc9fa32..7e21985139f 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -134,6 +134,7 @@ static struct radeon_asic r100_asic = {
 	.suspend = &r100_suspend,
 	.resume = &r100_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r100_gpu_is_lockup,
 	.gpu_reset = &r100_gpu_reset,
 	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
 	.gart_set_page = &r100_pci_gart_set_page,
@@ -172,6 +173,7 @@ static struct radeon_asic r200_asic = {
 	.suspend = &r100_suspend,
 	.resume = &r100_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r100_gpu_is_lockup,
 	.gpu_reset = &r100_gpu_reset,
 	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
 	.gart_set_page = &r100_pci_gart_set_page,
@@ -209,6 +211,7 @@ static struct radeon_asic r300_asic = {
 	.suspend = &r300_suspend,
 	.resume = &r300_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r300_gpu_is_lockup,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
 	.gart_set_page = &r100_pci_gart_set_page,
@@ -247,6 +250,7 @@ static struct radeon_asic r300_asic_pcie = {
 	.suspend = &r300_suspend,
 	.resume = &r300_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r300_gpu_is_lockup,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
@@ -284,6 +288,7 @@ static struct radeon_asic r420_asic = {
 	.suspend = &r420_suspend,
 	.resume = &r420_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r300_gpu_is_lockup,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
@@ -322,6 +327,7 @@ static struct radeon_asic rs400_asic = {
 	.suspend = &rs400_suspend,
 	.resume = &rs400_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r300_gpu_is_lockup,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rs400_gart_tlb_flush,
 	.gart_set_page = &rs400_gart_set_page,
@@ -360,6 +366,7 @@ static struct radeon_asic rs600_asic = {
 	.suspend = &rs600_suspend,
 	.resume = &rs600_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r300_gpu_is_lockup,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rs600_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
@@ -398,6 +405,7 @@ static struct radeon_asic rs690_asic = {
 	.suspend = &rs690_suspend,
 	.resume = &rs690_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r300_gpu_is_lockup,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rs400_gart_tlb_flush,
 	.gart_set_page = &rs400_gart_set_page,
@@ -436,6 +444,7 @@ static struct radeon_asic rv515_asic = {
 	.suspend = &rv515_suspend,
 	.resume = &rv515_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r300_gpu_is_lockup,
 	.gpu_reset = &rv515_gpu_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
@@ -474,6 +483,7 @@ static struct radeon_asic r520_asic = {
 	.suspend = &rv515_suspend,
 	.resume = &r520_resume,
 	.vga_set_state = &r100_vga_set_state,
+	.gpu_is_lockup = &r300_gpu_is_lockup,
 	.gpu_reset = &rv515_gpu_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
@@ -513,6 +523,7 @@ static struct radeon_asic r600_asic = {
 	.resume = &r600_resume,
 	.cp_commit = &r600_cp_commit,
 	.vga_set_state = &r600_vga_set_state,
+	.gpu_is_lockup = &r600_gpu_is_lockup,
 	.gpu_reset = &r600_gpu_reset,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
@@ -586,7 +597,8 @@ static struct radeon_asic rv770_asic = {
 	.suspend = &rv770_suspend,
 	.resume = &rv770_resume,
 	.cp_commit = &r600_cp_commit,
-	.gpu_reset = &rv770_gpu_reset,
+	.gpu_reset = &r600_gpu_reset,
+	.gpu_is_lockup = &r600_gpu_is_lockup,
 	.vga_set_state = &r600_vga_set_state,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
@@ -623,6 +635,7 @@ static struct radeon_asic evergreen_asic = {
 	.suspend = &evergreen_suspend,
 	.resume = &evergreen_resume,
 	.cp_commit = NULL,
+	.gpu_is_lockup = &evergreen_gpu_is_lockup,
 	.gpu_reset = &evergreen_gpu_reset,
 	.vga_set_state = &r600_vga_set_state,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index a0b8280663d..ce2f3e4f081 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -60,6 +60,7 @@ int r100_resume(struct radeon_device *rdev);
 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg);
 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void r100_vga_set_state(struct radeon_device *rdev, bool state);
+bool r100_gpu_is_lockup(struct radeon_device *rdev);
 int r100_gpu_reset(struct radeon_device *rdev);
 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc);
 void r100_pci_gart_tlb_flush(struct radeon_device *rdev);
@@ -134,7 +135,7 @@ extern int r200_copy_dma(struct radeon_device *rdev,
 			uint64_t src_offset,
 			uint64_t dst_offset,
 			unsigned num_pages,
-			struct radeon_fence *fence);
+			 struct radeon_fence *fence);
 
 /*
  * r300,r350,rv350,rv380
@@ -143,6 +144,7 @@ extern int r300_init(struct radeon_device *rdev);
 extern void r300_fini(struct radeon_device *rdev);
 extern int r300_suspend(struct radeon_device *rdev);
 extern int r300_resume(struct radeon_device *rdev);
+extern bool r300_gpu_is_lockup(struct radeon_device *rdev);
 extern int r300_gpu_reset(struct radeon_device *rdev);
 extern void r300_ring_start(struct radeon_device *rdev);
 extern void r300_fence_ring_emit(struct radeon_device *rdev,
@@ -252,6 +254,7 @@ int r600_copy_dma(struct radeon_device *rdev,
 		  struct radeon_fence *fence);
 int r600_irq_process(struct radeon_device *rdev);
 int r600_irq_set(struct radeon_device *rdev);
+bool r600_gpu_is_lockup(struct radeon_device *rdev);
 int r600_gpu_reset(struct radeon_device *rdev);
 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
 			 uint32_t tiling_flags, uint32_t pitch,
@@ -276,7 +279,6 @@ int rv770_init(struct radeon_device *rdev);
 void rv770_fini(struct radeon_device *rdev);
 int rv770_suspend(struct radeon_device *rdev);
 int rv770_resume(struct radeon_device *rdev);
-int rv770_gpu_reset(struct radeon_device *rdev);
 
 /*
  * evergreen
@@ -285,6 +287,7 @@ int evergreen_init(struct radeon_device *rdev);
 void evergreen_fini(struct radeon_device *rdev);
 int evergreen_suspend(struct radeon_device *rdev);
 int evergreen_resume(struct radeon_device *rdev);
+bool evergreen_gpu_is_lockup(struct radeon_device *rdev);
 int evergreen_gpu_reset(struct radeon_device *rdev);
 void evergreen_bandwidth_update(struct radeon_device *rdev);
 void evergreen_hpd_init(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 8495d4e32e1..393154268de 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -57,7 +57,6 @@ int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence)
 		radeon_fence_ring_emit(rdev, fence);
 
 	fence->emited = true;
-	fence->timeout = jiffies + ((2000 * HZ) / 1000);
 	list_del(&fence->list);
 	list_add_tail(&fence->list, &rdev->fence_drv.emited);
 	write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
@@ -70,15 +69,34 @@ static bool radeon_fence_poll_locked(struct radeon_device *rdev)
 	struct list_head *i, *n;
 	uint32_t seq;
 	bool wake = false;
+	unsigned long cjiffies;
 
-	if (rdev == NULL) {
-		return true;
-	}
-	if (rdev->shutdown) {
-		return true;
-	}
 	seq = RREG32(rdev->fence_drv.scratch_reg);
-	rdev->fence_drv.last_seq = seq;
+	if (seq != rdev->fence_drv.last_seq) {
+		rdev->fence_drv.last_seq = seq;
+		rdev->fence_drv.last_jiffies = jiffies;
+		rdev->fence_drv.last_timeout = RADEON_FENCE_JIFFIES_TIMEOUT;
+	} else {
+		cjiffies = jiffies;
+		if (time_after(cjiffies, rdev->fence_drv.last_jiffies)) {
+			cjiffies -= rdev->fence_drv.last_jiffies;
+			if (time_after(rdev->fence_drv.last_timeout, cjiffies)) {
+				/* update the timeout */
+				rdev->fence_drv.last_timeout -= cjiffies;
+			} else {
+				/* the 500ms timeout is elapsed we should test
+				 * for GPU lockup
+				 */
+				rdev->fence_drv.last_timeout = 1;
+			}
+		} else {
+			/* wrap around update last jiffies, we will just wait
+			 * a little longer
+			 */
+			rdev->fence_drv.last_jiffies = cjiffies;
+		}
+		return false;
+	}
 	n = NULL;
 	list_for_each(i, &rdev->fence_drv.emited) {
 		fence = list_entry(i, struct radeon_fence, list);
@@ -170,9 +188,8 @@ bool radeon_fence_signaled(struct radeon_fence *fence)
 int radeon_fence_wait(struct radeon_fence *fence, bool intr)
 {
 	struct radeon_device *rdev;
-	unsigned long cur_jiffies;
-	unsigned long timeout;
-	bool expired = false;
+	unsigned long irq_flags, timeout;
+	u32 seq;
 	int r;
 
 	if (fence == NULL) {
@@ -183,14 +200,10 @@ int radeon_fence_wait(struct radeon_fence *fence, bool intr)
 	if (radeon_fence_signaled(fence)) {
 		return 0;
 	}
-
+	timeout = rdev->fence_drv.last_timeout;
 retry:
-	cur_jiffies = jiffies;
-	timeout = HZ / 100;
-	if (time_after(fence->timeout, cur_jiffies)) {
-		timeout = fence->timeout - cur_jiffies;
-	}
-
+	/* save current sequence used to check for GPU lockup */
+	seq = rdev->fence_drv.last_seq;
 	if (intr) {
 		radeon_irq_kms_sw_irq_get(rdev);
 		r = wait_event_interruptible_timeout(rdev->fence_drv.queue,
@@ -205,38 +218,34 @@ retry:
 		radeon_irq_kms_sw_irq_put(rdev);
 	}
 	if (unlikely(!radeon_fence_signaled(fence))) {
-		if (unlikely(r == 0)) {
-			expired = true;
+		/* we were interrupted for some reason and fence isn't
+		 * isn't signaled yet, resume wait
+		 */
+		if (r) {
+			timeout = r;
+			goto retry;
 		}
-		if (unlikely(expired)) {
-			timeout = 1;
-			if (time_after(cur_jiffies, fence->timeout)) {
-				timeout = cur_jiffies - fence->timeout;
-			}
-			timeout = jiffies_to_msecs(timeout);
-			if (timeout > 500) {
-				DRM_ERROR("fence(%p:0x%08X) %lums timeout "
-					  "going to reset GPU\n",
-					  fence, fence->seq, timeout);
-				radeon_gpu_reset(rdev);
-				WREG32(rdev->fence_drv.scratch_reg, fence->seq);
-			}
+		/* don't protect read access to rdev->fence_drv.last_seq
+		 * if we experiencing a lockup the value doesn't change
+		 */
+		if (seq == rdev->fence_drv.last_seq && radeon_gpu_is_lockup(rdev)) {
+			/* good news we believe it's a lockup */
+			dev_warn(rdev->dev, "GPU lockup (last fence id 0x%08X)\n", seq);
+			r = radeon_gpu_reset(rdev);
+			if (r)
+				return r;
+			/* FIXME: what should we do ? marking everyone
+			 * as signaled for now
+			 */
+			WREG32(rdev->fence_drv.scratch_reg, fence->seq);
 		}
+		timeout = RADEON_FENCE_JIFFIES_TIMEOUT;
+		write_lock_irqsave(&rdev->fence_drv.lock, irq_flags);
+		rdev->fence_drv.last_timeout = RADEON_FENCE_JIFFIES_TIMEOUT;
+		rdev->fence_drv.last_jiffies = jiffies;
+		write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
 		goto retry;
 	}
-	if (unlikely(expired)) {
-		rdev->fence_drv.count_timeout++;
-		cur_jiffies = jiffies;
-		timeout = 1;
-		if (time_after(cur_jiffies, fence->timeout)) {
-			timeout = cur_jiffies - fence->timeout;
-		}
-		timeout = jiffies_to_msecs(timeout);
-		DRM_ERROR("fence(%p:0x%08X) %lums timeout\n",
-			  fence, fence->seq, timeout);
-		DRM_ERROR("last signaled fence(0x%08X)\n",
-			  rdev->fence_drv.last_seq);
-	}
 	return 0;
 }
 
@@ -332,7 +341,6 @@ int radeon_fence_driver_init(struct radeon_device *rdev)
 	INIT_LIST_HEAD(&rdev->fence_drv.created);
 	INIT_LIST_HEAD(&rdev->fence_drv.emited);
 	INIT_LIST_HEAD(&rdev->fence_drv.signaled);
-	rdev->fence_drv.count_timeout = 0;
 	init_waitqueue_head(&rdev->fence_drv.queue);
 	rdev->fence_drv.initialized = true;
 	write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 9f37d2efb0a..2b8a4e17065 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -916,12 +916,6 @@ int rv770_mc_init(struct radeon_device *rdev)
 	return 0;
 }
 
-int rv770_gpu_reset(struct radeon_device *rdev)
-{
-	/* FIXME: implement any rv770 specific bits */
-	return r600_gpu_reset(rdev);
-}
-
 static int rv770_startup(struct radeon_device *rdev)
 {
 	int r;

From a2d07b7438f015a0349bc9af3c96a8164549bbc5 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Tue, 9 Mar 2010 14:45:11 +0000
Subject: [PATCH 0184/3638] drm/radeon/kms: rename gpu_reset to asic_reset

Patch rename gpu_reset to asic_reset in prevision of having
gpu_reset doing more stuff than just basic asic reset.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c     |  2 +-
 drivers/gpu/drm/radeon/r100.c          |  6 +++---
 drivers/gpu/drm/radeon/r300.c          |  6 +++---
 drivers/gpu/drm/radeon/r420.c          |  4 ++--
 drivers/gpu/drm/radeon/r520.c          |  4 ++--
 drivers/gpu/drm/radeon/r600.c          |  2 +-
 drivers/gpu/drm/radeon/radeon.h        |  6 +++---
 drivers/gpu/drm/radeon/radeon_asic.c   | 28 +++++++++++++-------------
 drivers/gpu/drm/radeon/radeon_asic.h   | 10 ++++-----
 drivers/gpu/drm/radeon/radeon_device.c |  2 +-
 drivers/gpu/drm/radeon/radeon_fence.c  |  2 +-
 drivers/gpu/drm/radeon/rs400.c         |  4 ++--
 drivers/gpu/drm/radeon/rs600.c         |  4 ++--
 drivers/gpu/drm/radeon/rs690.c         |  4 ++--
 drivers/gpu/drm/radeon/rv515.c         |  8 ++++----
 15 files changed, 46 insertions(+), 46 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 3070e599412..7672f11ed99 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -492,7 +492,7 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
 	return false;
 }
 
-int evergreen_gpu_reset(struct radeon_device *rdev)
+int evergreen_asic_reset(struct radeon_device *rdev)
 {
 	/* FIXME: implement for evergreen */
 	return 0;
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 845c8f3063f..8bb91092bff 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1863,7 +1863,7 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev)
 	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, &rdev->cp);
 }
 
-int r100_gpu_reset(struct radeon_device *rdev)
+int r100_asic_reset(struct radeon_device *rdev)
 {
 	uint32_t status;
 
@@ -3512,7 +3512,7 @@ int r100_resume(struct radeon_device *rdev)
 	/* Resume clock before doing reset */
 	r100_clock_startup(rdev);
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
 			RREG32(R_0007C0_CP_STAT));
@@ -3581,7 +3581,7 @@ int r100_init(struct radeon_device *rdev)
 			return r;
 	}
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev,
 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 9825fb19331..7d5de5dbde2 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -449,7 +449,7 @@ bool r300_gpu_is_lockup(struct radeon_device *rdev)
 	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
 }
 
-int r300_gpu_reset(struct radeon_device *rdev)
+int r300_asic_reset(struct radeon_device *rdev)
 {
 	uint32_t status;
 
@@ -1333,7 +1333,7 @@ int r300_resume(struct radeon_device *rdev)
 	/* Resume clock before doing reset */
 	r300_clock_startup(rdev);
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
 			RREG32(R_0007C0_CP_STAT));
@@ -1404,7 +1404,7 @@ int r300_init(struct radeon_device *rdev)
 			return r;
 	}
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev,
 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 0b8603ca697..061553aa7a0 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -234,7 +234,7 @@ int r420_resume(struct radeon_device *rdev)
 	/* Resume clock before doing reset */
 	r420_clock_resume(rdev);
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
 			RREG32(R_0007C0_CP_STAT));
@@ -315,7 +315,7 @@ int r420_init(struct radeon_device *rdev)
 		}
 	}
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev,
 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index 3c44b8d3931..3ade473e69b 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -209,7 +209,7 @@ int r520_resume(struct radeon_device *rdev)
 	/* Resume clock before doing reset */
 	rv515_clock_startup(rdev);
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
 			RREG32(R_0007C0_CP_STAT));
@@ -246,7 +246,7 @@ int r520_init(struct radeon_device *rdev)
 		return -EINVAL;
 	}
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev,
 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index a09c062df4d..24fd5459fb4 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -874,7 +874,7 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev)
 	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
 }
 
-int r600_gpu_reset(struct radeon_device *rdev)
+int r600_asic_reset(struct radeon_device *rdev)
 {
 	return r600_gpu_soft_reset(rdev);
 }
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index a3d13c36717..3cc5820b0e1 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -748,7 +748,7 @@ struct radeon_asic {
 	int (*suspend)(struct radeon_device *rdev);
 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
 	bool (*gpu_is_lockup)(struct radeon_device *rdev);
-	int (*gpu_reset)(struct radeon_device *rdev);
+	int (*asic_reset)(struct radeon_device *rdev);
 	void (*gart_tlb_flush)(struct radeon_device *rdev);
 	int (*gart_set_page)(struct radeon_device *rdev, int i, uint64_t addr);
 	int (*cp_init)(struct radeon_device *rdev, unsigned ring_size);
@@ -1157,7 +1157,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_cs_parse(p) rdev->asic->cs_parse((p))
 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
 #define radeon_gpu_is_lockup(rdev) (rdev)->asic->gpu_is_lockup((rdev))
-#define radeon_gpu_reset(rdev) (rdev)->asic->gpu_reset((rdev))
+#define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart_tlb_flush((rdev))
 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart_set_page((rdev), (i), (p))
 #define radeon_cp_commit(rdev) (rdev)->asic->cp_commit((rdev))
@@ -1290,7 +1290,7 @@ extern void r600_scratch_init(struct radeon_device *rdev);
 extern int r600_blit_init(struct radeon_device *rdev);
 extern void r600_blit_fini(struct radeon_device *rdev);
 extern int r600_init_microcode(struct radeon_device *rdev);
-extern int r600_gpu_reset(struct radeon_device *rdev);
+extern int r600_asic_reset(struct radeon_device *rdev);
 /* r600 irq */
 extern int r600_irq_init(struct radeon_device *rdev);
 extern void r600_irq_fini(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 7e21985139f..011ac6d8658 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -135,7 +135,7 @@ static struct radeon_asic r100_asic = {
 	.resume = &r100_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r100_gpu_is_lockup,
-	.gpu_reset = &r100_gpu_reset,
+	.asic_reset = &r100_asic_reset,
 	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
 	.gart_set_page = &r100_pci_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -174,7 +174,7 @@ static struct radeon_asic r200_asic = {
 	.resume = &r100_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r100_gpu_is_lockup,
-	.gpu_reset = &r100_gpu_reset,
+	.asic_reset = &r100_asic_reset,
 	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
 	.gart_set_page = &r100_pci_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -212,7 +212,7 @@ static struct radeon_asic r300_asic = {
 	.resume = &r300_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.gpu_reset = &r300_gpu_reset,
+	.asic_reset = &r300_asic_reset,
 	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
 	.gart_set_page = &r100_pci_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -251,7 +251,7 @@ static struct radeon_asic r300_asic_pcie = {
 	.resume = &r300_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.gpu_reset = &r300_gpu_reset,
+	.asic_reset = &r300_asic_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -289,7 +289,7 @@ static struct radeon_asic r420_asic = {
 	.resume = &r420_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.gpu_reset = &r300_gpu_reset,
+	.asic_reset = &r300_asic_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -328,7 +328,7 @@ static struct radeon_asic rs400_asic = {
 	.resume = &rs400_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.gpu_reset = &r300_gpu_reset,
+	.asic_reset = &r300_asic_reset,
 	.gart_tlb_flush = &rs400_gart_tlb_flush,
 	.gart_set_page = &rs400_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -367,7 +367,7 @@ static struct radeon_asic rs600_asic = {
 	.resume = &rs600_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.gpu_reset = &r300_gpu_reset,
+	.asic_reset = &r300_asic_reset,
 	.gart_tlb_flush = &rs600_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -406,7 +406,7 @@ static struct radeon_asic rs690_asic = {
 	.resume = &rs690_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.gpu_reset = &r300_gpu_reset,
+	.asic_reset = &r300_asic_reset,
 	.gart_tlb_flush = &rs400_gart_tlb_flush,
 	.gart_set_page = &rs400_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -445,7 +445,7 @@ static struct radeon_asic rv515_asic = {
 	.resume = &rv515_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.gpu_reset = &rv515_gpu_reset,
+	.asic_reset = &rv515_asic_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -484,7 +484,7 @@ static struct radeon_asic r520_asic = {
 	.resume = &r520_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.gpu_reset = &rv515_gpu_reset,
+	.asic_reset = &rv515_asic_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -524,7 +524,7 @@ static struct radeon_asic r600_asic = {
 	.cp_commit = &r600_cp_commit,
 	.vga_set_state = &r600_vga_set_state,
 	.gpu_is_lockup = &r600_gpu_is_lockup,
-	.gpu_reset = &r600_gpu_reset,
+	.asic_reset = &r600_asic_reset,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
 	.ring_test = &r600_ring_test,
@@ -561,7 +561,7 @@ static struct radeon_asic rs780_asic = {
 	.resume = &r600_resume,
 	.cp_commit = &r600_cp_commit,
 	.vga_set_state = &r600_vga_set_state,
-	.gpu_reset = &r600_gpu_reset,
+	.asic_reset = &r600_asic_reset,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
 	.ring_test = &r600_ring_test,
@@ -597,7 +597,7 @@ static struct radeon_asic rv770_asic = {
 	.suspend = &rv770_suspend,
 	.resume = &rv770_resume,
 	.cp_commit = &r600_cp_commit,
-	.gpu_reset = &r600_gpu_reset,
+	.asic_reset = &r600_asic_reset,
 	.gpu_is_lockup = &r600_gpu_is_lockup,
 	.vga_set_state = &r600_vga_set_state,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
@@ -636,7 +636,7 @@ static struct radeon_asic evergreen_asic = {
 	.resume = &evergreen_resume,
 	.cp_commit = NULL,
 	.gpu_is_lockup = &evergreen_gpu_is_lockup,
-	.gpu_reset = &evergreen_gpu_reset,
+	.asic_reset = &evergreen_asic_reset,
 	.vga_set_state = &r600_vga_set_state,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index ce2f3e4f081..53ebcacbd0e 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -61,7 +61,7 @@ uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg);
 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void r100_vga_set_state(struct radeon_device *rdev, bool state);
 bool r100_gpu_is_lockup(struct radeon_device *rdev);
-int r100_gpu_reset(struct radeon_device *rdev);
+int r100_asic_reset(struct radeon_device *rdev);
 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc);
 void r100_pci_gart_tlb_flush(struct radeon_device *rdev);
 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr);
@@ -145,7 +145,7 @@ extern void r300_fini(struct radeon_device *rdev);
 extern int r300_suspend(struct radeon_device *rdev);
 extern int r300_resume(struct radeon_device *rdev);
 extern bool r300_gpu_is_lockup(struct radeon_device *rdev);
-extern int r300_gpu_reset(struct radeon_device *rdev);
+extern int r300_asic_reset(struct radeon_device *rdev);
 extern void r300_ring_start(struct radeon_device *rdev);
 extern void r300_fence_ring_emit(struct radeon_device *rdev,
 				struct radeon_fence *fence);
@@ -214,7 +214,7 @@ void rs690_bandwidth_update(struct radeon_device *rdev);
  */
 int rv515_init(struct radeon_device *rdev);
 void rv515_fini(struct radeon_device *rdev);
-int rv515_gpu_reset(struct radeon_device *rdev);
+int rv515_asic_reset(struct radeon_device *rdev);
 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg);
 void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void rv515_ring_start(struct radeon_device *rdev);
@@ -255,7 +255,7 @@ int r600_copy_dma(struct radeon_device *rdev,
 int r600_irq_process(struct radeon_device *rdev);
 int r600_irq_set(struct radeon_device *rdev);
 bool r600_gpu_is_lockup(struct radeon_device *rdev);
-int r600_gpu_reset(struct radeon_device *rdev);
+int r600_asic_reset(struct radeon_device *rdev);
 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
 			 uint32_t tiling_flags, uint32_t pitch,
 			 uint32_t offset, uint32_t obj_size);
@@ -288,7 +288,7 @@ void evergreen_fini(struct radeon_device *rdev);
 int evergreen_suspend(struct radeon_device *rdev);
 int evergreen_resume(struct radeon_device *rdev);
 bool evergreen_gpu_is_lockup(struct radeon_device *rdev);
-int evergreen_gpu_reset(struct radeon_device *rdev);
+int evergreen_asic_reset(struct radeon_device *rdev);
 void evergreen_bandwidth_update(struct radeon_device *rdev);
 void evergreen_hpd_init(struct radeon_device *rdev);
 void evergreen_hpd_fini(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 60ec47b7164..232a3076849 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -619,7 +619,7 @@ int radeon_device_init(struct radeon_device *rdev,
 		/* Acceleration not working on AGP card try again
 		 * with fallback to PCI or PCIE GART
 		 */
-		radeon_gpu_reset(rdev);
+		radeon_asic_reset(rdev);
 		radeon_fini(rdev);
 		radeon_agp_disable(rdev);
 		r = radeon_init(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 393154268de..2560740ff92 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -231,7 +231,7 @@ retry:
 		if (seq == rdev->fence_drv.last_seq && radeon_gpu_is_lockup(rdev)) {
 			/* good news we believe it's a lockup */
 			dev_warn(rdev->dev, "GPU lockup (last fence id 0x%08X)\n", seq);
-			r = radeon_gpu_reset(rdev);
+			r = radeon_asic_reset(rdev);
 			if (r)
 				return r;
 			/* FIXME: what should we do ? marking everyone
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 626aaf082b1..3deec218508 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -432,7 +432,7 @@ int rs400_resume(struct radeon_device *rdev)
 	/* setup MC before calling post tables */
 	rs400_mc_program(rdev);
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
 			RREG32(R_0007C0_CP_STAT));
@@ -496,7 +496,7 @@ int rs400_init(struct radeon_device *rdev)
 			return r;
 	}
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev,
 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index abf824c2123..c1be20afd42 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -601,7 +601,7 @@ int rs600_resume(struct radeon_device *rdev)
 	/* Resume clock before doing reset */
 	rv515_clock_startup(rdev);
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
 			RREG32(R_0007C0_CP_STAT));
@@ -664,7 +664,7 @@ int rs600_init(struct radeon_device *rdev)
 		return -EINVAL;
 	}
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev,
 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index bbf3da790fd..ef35e0468f1 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -653,7 +653,7 @@ int rs690_resume(struct radeon_device *rdev)
 	/* Resume clock before doing reset */
 	rv515_clock_startup(rdev);
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
 			RREG32(R_0007C0_CP_STAT));
@@ -717,7 +717,7 @@ int rs690_init(struct radeon_device *rdev)
 		return -EINVAL;
 	}
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev,
 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 1cf233f7e51..2a4c01f5cf1 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -227,7 +227,7 @@ int rv515_ga_reset(struct radeon_device *rdev)
 	return -1;
 }
 
-int rv515_gpu_reset(struct radeon_device *rdev)
+int rv515_asic_reset(struct radeon_device *rdev)
 {
 	uint32_t status;
 
@@ -334,7 +334,7 @@ static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
 
 	tmp = RREG32(0x2140);
 	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
-	radeon_gpu_reset(rdev);
+	radeon_asic_reset(rdev);
 	tmp = RREG32(0x425C);
 	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
 	return 0;
@@ -502,7 +502,7 @@ int rv515_resume(struct radeon_device *rdev)
 	/* Resume clock before doing reset */
 	rv515_clock_startup(rdev);
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),
 			RREG32(R_0007C0_CP_STAT));
@@ -572,7 +572,7 @@ int rv515_init(struct radeon_device *rdev)
 		return -EINVAL;
 	}
 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
-	if (radeon_gpu_reset(rdev)) {
+	if (radeon_asic_reset(rdev)) {
 		dev_warn(rdev->dev,
 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 			RREG32(R_000E40_RBBM_STATUS),

From 90aca4d2740255bd130ea71a91530b9920c70abe Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Tue, 9 Mar 2010 14:45:12 +0000
Subject: [PATCH 0185/3638] drm/radeon/kms: simplify & improve GPU reset V2

This simplify and improve GPU reset for R1XX-R6XX hw, it's
not 100% reliable here are result:
- R1XX/R2XX works bunch of time in a row, sometimes it
  seems it can work indifinitly
- R3XX/R3XX the most unreliable one, sometimes you will be
  able to reset few times, sometimes not even once
- R5XX more reliable than previous hw, seems to work most
  of the times but once in a while it fails for no obvious
  reasons (same status than previous reset just no same
  happy ending)
- R6XX/R7XX are lot more reliable with this patch, still
  it seems that it can fail after a bunch (reset every
  2sec for 3hour bring down the GPU & computer)

This have been tested on various hw, for some odd reasons
i wasn't able to lockup RS480/RS690 (while they use to
love locking up).

Note that on R1XX-R5XX the cursor will disapear after
lockup haven't checked why, switch to console and back
to X will restore cursor.

Next step is to record the bogus command that leaded to
the lockup.

V2 Fix r6xx resume path to avoid reinitializing blit
module, use the gpu_lockup boolean to avoid entering
inifinite waiting loop on fence while reiniting the GPU

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r100.c          | 180 +++++++++----------------
 drivers/gpu/drm/radeon/r100d.h         | 128 ++++++++++++++++++
 drivers/gpu/drm/radeon/r300.c          | 134 ++++++++----------
 drivers/gpu/drm/radeon/r300d.h         |  47 ++++++-
 drivers/gpu/drm/radeon/r520.c          |   1 -
 drivers/gpu/drm/radeon/r600.c          |  53 +-------
 drivers/gpu/drm/radeon/r600_blit_kms.c |   3 +
 drivers/gpu/drm/radeon/radeon.h        |   1 +
 drivers/gpu/drm/radeon/radeon_asic.c   |   9 +-
 drivers/gpu/drm/radeon/radeon_asic.h   |   6 +-
 drivers/gpu/drm/radeon/radeon_cs.c     |   4 -
 drivers/gpu/drm/radeon/radeon_device.c |  22 +++
 drivers/gpu/drm/radeon/radeon_fence.c  |  13 +-
 drivers/gpu/drm/radeon/radeon_gart.c   |   2 +-
 drivers/gpu/drm/radeon/rs400.c         |   2 -
 drivers/gpu/drm/radeon/rs600.c         |  73 +++++++++-
 drivers/gpu/drm/radeon/rs600d.h        |  46 +++++++
 drivers/gpu/drm/radeon/rs690.c         |   2 -
 drivers/gpu/drm/radeon/rv515.c         |  90 -------------
 drivers/gpu/drm/radeon/rv515d.h        |  46 +++++++
 20 files changed, 508 insertions(+), 354 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 8bb91092bff..7a4a4fc276b 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -662,26 +662,6 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 	if (r100_debugfs_cp_init(rdev)) {
 		DRM_ERROR("Failed to register debugfs file for CP !\n");
 	}
-	/* Reset CP */
-	tmp = RREG32(RADEON_CP_CSQ_STAT);
-	if ((tmp & (1 << 31))) {
-		DRM_INFO("radeon: cp busy (0x%08X) resetting\n", tmp);
-		WREG32(RADEON_CP_CSQ_MODE, 0);
-		WREG32(RADEON_CP_CSQ_CNTL, 0);
-		WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
-		tmp = RREG32(RADEON_RBBM_SOFT_RESET);
-		mdelay(2);
-		WREG32(RADEON_RBBM_SOFT_RESET, 0);
-		tmp = RREG32(RADEON_RBBM_SOFT_RESET);
-		mdelay(2);
-		tmp = RREG32(RADEON_CP_CSQ_STAT);
-		if ((tmp & (1 << 31))) {
-			DRM_INFO("radeon: cp reset failed (0x%08X)\n", tmp);
-		}
-	} else {
-		DRM_INFO("radeon: cp idle (0x%08X)\n", tmp);
-	}
-
 	if (!rdev->me_fw) {
 		r = r100_cp_init_microcode(rdev);
 		if (r) {
@@ -786,39 +766,6 @@ void r100_cp_disable(struct radeon_device *rdev)
 	}
 }
 
-int r100_cp_reset(struct radeon_device *rdev)
-{
-	uint32_t tmp;
-	bool reinit_cp;
-	int i;
-
-	reinit_cp = rdev->cp.ready;
-	rdev->cp.ready = false;
-	WREG32(RADEON_CP_CSQ_MODE, 0);
-	WREG32(RADEON_CP_CSQ_CNTL, 0);
-	WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
-	(void)RREG32(RADEON_RBBM_SOFT_RESET);
-	udelay(200);
-	WREG32(RADEON_RBBM_SOFT_RESET, 0);
-	/* Wait to prevent race in RBBM_STATUS */
-	mdelay(1);
-	for (i = 0; i < rdev->usec_timeout; i++) {
-		tmp = RREG32(RADEON_RBBM_STATUS);
-		if (!(tmp & (1 << 16))) {
-			DRM_INFO("CP reset succeed (RBBM_STATUS=0x%08X)\n",
-				 tmp);
-			if (reinit_cp) {
-				return r100_cp_init(rdev, rdev->cp.ring_size);
-			}
-			return 0;
-		}
-		DRM_UDELAY(1);
-	}
-	tmp = RREG32(RADEON_RBBM_STATUS);
-	DRM_ERROR("Failed to reset CP (RBBM_STATUS=0x%08X)!\n", tmp);
-	return -1;
-}
-
 void r100_cp_commit(struct radeon_device *rdev)
 {
 	WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
@@ -1732,51 +1679,6 @@ int r100_mc_wait_for_idle(struct radeon_device *rdev)
 	return -1;
 }
 
-void r100_gpu_init(struct radeon_device *rdev)
-{
-	/* TODO: anythings to do here ? pipes ? */
-	r100_hdp_reset(rdev);
-}
-
-void r100_hdp_reset(struct radeon_device *rdev)
-{
-	uint32_t tmp;
-
-	tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
-	tmp |= (7 << 28);
-	WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
-	(void)RREG32(RADEON_HOST_PATH_CNTL);
-	udelay(200);
-	WREG32(RADEON_RBBM_SOFT_RESET, 0);
-	WREG32(RADEON_HOST_PATH_CNTL, tmp);
-	(void)RREG32(RADEON_HOST_PATH_CNTL);
-}
-
-int r100_rb2d_reset(struct radeon_device *rdev)
-{
-	uint32_t tmp;
-	int i;
-
-	WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_E2);
-	(void)RREG32(RADEON_RBBM_SOFT_RESET);
-	udelay(200);
-	WREG32(RADEON_RBBM_SOFT_RESET, 0);
-	/* Wait to prevent race in RBBM_STATUS */
-	mdelay(1);
-	for (i = 0; i < rdev->usec_timeout; i++) {
-		tmp = RREG32(RADEON_RBBM_STATUS);
-		if (!(tmp & (1 << 26))) {
-			DRM_INFO("RB2D reset succeed (RBBM_STATUS=0x%08X)\n",
-				 tmp);
-			return 0;
-		}
-		DRM_UDELAY(1);
-	}
-	tmp = RREG32(RADEON_RBBM_STATUS);
-	DRM_ERROR("Failed to reset RB2D (RBBM_STATUS=0x%08X)!\n", tmp);
-	return -1;
-}
-
 void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
 {
 	lockup->last_cp_rptr = cp->rptr;
@@ -1863,31 +1765,77 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev)
 	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, &rdev->cp);
 }
 
+void r100_bm_disable(struct radeon_device *rdev)
+{
+	u32 tmp;
+
+	/* disable bus mastering */
+	tmp = RREG32(R_000030_BUS_CNTL);
+	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
+	mdelay(1);
+	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
+	mdelay(1);
+	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
+	tmp = RREG32(RADEON_BUS_CNTL);
+	mdelay(1);
+	pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
+	pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
+	mdelay(1);
+}
+
 int r100_asic_reset(struct radeon_device *rdev)
 {
-	uint32_t status;
+	struct r100_mc_save save;
+	u32 status, tmp;
 
-	/* reset order likely matter */
-	status = RREG32(RADEON_RBBM_STATUS);
-	/* reset HDP */
-	r100_hdp_reset(rdev);
-	/* reset rb2d */
-	if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
-		r100_rb2d_reset(rdev);
+	r100_mc_stop(rdev, &save);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	if (!G_000E40_GUI_ACTIVE(status)) {
+		return 0;
 	}
-	/* TODO: reset 3D engine */
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* stop CP */
+	WREG32(RADEON_CP_CSQ_CNTL, 0);
+	tmp = RREG32(RADEON_CP_RB_CNTL);
+	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
+	WREG32(RADEON_CP_RB_RPTR_WR, 0);
+	WREG32(RADEON_CP_RB_WPTR, 0);
+	WREG32(RADEON_CP_RB_CNTL, tmp);
+	/* save PCI state */
+	pci_save_state(rdev->pdev);
+	/* disable bus mastering */
+	r100_bm_disable(rdev);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
+					S_0000F0_SOFT_RESET_RE(1) |
+					S_0000F0_SOFT_RESET_PP(1) |
+					S_0000F0_SOFT_RESET_RB(1));
+	RREG32(R_0000F0_RBBM_SOFT_RESET);
+	mdelay(500);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+	mdelay(1);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 	/* reset CP */
-	status = RREG32(RADEON_RBBM_STATUS);
-	if (status & (1 << 16)) {
-		r100_cp_reset(rdev);
-	}
+	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
+	RREG32(R_0000F0_RBBM_SOFT_RESET);
+	mdelay(500);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+	mdelay(1);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* restore PCI & busmastering */
+	pci_restore_state(rdev->pdev);
+	r100_enable_bm(rdev);
 	/* Check if GPU is idle */
-	status = RREG32(RADEON_RBBM_STATUS);
-	if (status & RADEON_RBBM_ACTIVE) {
-		DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
+	if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
+		G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
+		dev_err(rdev->dev, "failed to reset GPU\n");
+		rdev->gpu_lockup = true;
 		return -1;
 	}
-	DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
+	r100_mc_resume(rdev, &save);
+	dev_info(rdev->dev, "GPU reset succeed\n");
 	return 0;
 }
 
@@ -3475,7 +3423,7 @@ static int r100_startup(struct radeon_device *rdev)
 	/* Resume clock */
 	r100_clock_startup(rdev);
 	/* Initialize GPU configuration (# pipes, ...) */
-	r100_gpu_init(rdev);
+//	r100_gpu_init(rdev);
 	/* Initialize GART (initialize after TTM so we can allocate
 	 * memory through TTM but finalize after TTM) */
 	r100_enable_bm(rdev);
diff --git a/drivers/gpu/drm/radeon/r100d.h b/drivers/gpu/drm/radeon/r100d.h
index df29a630c46..de8abd104ab 100644
--- a/drivers/gpu/drm/radeon/r100d.h
+++ b/drivers/gpu/drm/radeon/r100d.h
@@ -74,6 +74,134 @@
 #define CP_PACKET3_GET_OPCODE(h) (((h) >> 8) & 0xFF)
 
 /* Registers */
+#define R_0000F0_RBBM_SOFT_RESET                     0x0000F0
+#define   S_0000F0_SOFT_RESET_CP(x)                    (((x) & 0x1) << 0)
+#define   G_0000F0_SOFT_RESET_CP(x)                    (((x) >> 0) & 0x1)
+#define   C_0000F0_SOFT_RESET_CP                       0xFFFFFFFE
+#define   S_0000F0_SOFT_RESET_HI(x)                    (((x) & 0x1) << 1)
+#define   G_0000F0_SOFT_RESET_HI(x)                    (((x) >> 1) & 0x1)
+#define   C_0000F0_SOFT_RESET_HI                       0xFFFFFFFD
+#define   S_0000F0_SOFT_RESET_SE(x)                    (((x) & 0x1) << 2)
+#define   G_0000F0_SOFT_RESET_SE(x)                    (((x) >> 2) & 0x1)
+#define   C_0000F0_SOFT_RESET_SE                       0xFFFFFFFB
+#define   S_0000F0_SOFT_RESET_RE(x)                    (((x) & 0x1) << 3)
+#define   G_0000F0_SOFT_RESET_RE(x)                    (((x) >> 3) & 0x1)
+#define   C_0000F0_SOFT_RESET_RE                       0xFFFFFFF7
+#define   S_0000F0_SOFT_RESET_PP(x)                    (((x) & 0x1) << 4)
+#define   G_0000F0_SOFT_RESET_PP(x)                    (((x) >> 4) & 0x1)
+#define   C_0000F0_SOFT_RESET_PP                       0xFFFFFFEF
+#define   S_0000F0_SOFT_RESET_E2(x)                    (((x) & 0x1) << 5)
+#define   G_0000F0_SOFT_RESET_E2(x)                    (((x) >> 5) & 0x1)
+#define   C_0000F0_SOFT_RESET_E2                       0xFFFFFFDF
+#define   S_0000F0_SOFT_RESET_RB(x)                    (((x) & 0x1) << 6)
+#define   G_0000F0_SOFT_RESET_RB(x)                    (((x) >> 6) & 0x1)
+#define   C_0000F0_SOFT_RESET_RB                       0xFFFFFFBF
+#define   S_0000F0_SOFT_RESET_HDP(x)                   (((x) & 0x1) << 7)
+#define   G_0000F0_SOFT_RESET_HDP(x)                   (((x) >> 7) & 0x1)
+#define   C_0000F0_SOFT_RESET_HDP                      0xFFFFFF7F
+#define   S_0000F0_SOFT_RESET_MC(x)                    (((x) & 0x1) << 8)
+#define   G_0000F0_SOFT_RESET_MC(x)                    (((x) >> 8) & 0x1)
+#define   C_0000F0_SOFT_RESET_MC                       0xFFFFFEFF
+#define   S_0000F0_SOFT_RESET_AIC(x)                   (((x) & 0x1) << 9)
+#define   G_0000F0_SOFT_RESET_AIC(x)                   (((x) >> 9) & 0x1)
+#define   C_0000F0_SOFT_RESET_AIC                      0xFFFFFDFF
+#define   S_0000F0_SOFT_RESET_VIP(x)                   (((x) & 0x1) << 10)
+#define   G_0000F0_SOFT_RESET_VIP(x)                   (((x) >> 10) & 0x1)
+#define   C_0000F0_SOFT_RESET_VIP                      0xFFFFFBFF
+#define   S_0000F0_SOFT_RESET_DISP(x)                  (((x) & 0x1) << 11)
+#define   G_0000F0_SOFT_RESET_DISP(x)                  (((x) >> 11) & 0x1)
+#define   C_0000F0_SOFT_RESET_DISP                     0xFFFFF7FF
+#define   S_0000F0_SOFT_RESET_CG(x)                    (((x) & 0x1) << 12)
+#define   G_0000F0_SOFT_RESET_CG(x)                    (((x) >> 12) & 0x1)
+#define   C_0000F0_SOFT_RESET_CG                       0xFFFFEFFF
+#define R_000030_BUS_CNTL                            0x000030
+#define   S_000030_BUS_DBL_RESYNC(x)                   (((x) & 0x1) << 0)
+#define   G_000030_BUS_DBL_RESYNC(x)                   (((x) >> 0) & 0x1)
+#define   C_000030_BUS_DBL_RESYNC                      0xFFFFFFFE
+#define   S_000030_BUS_MSTR_RESET(x)                   (((x) & 0x1) << 1)
+#define   G_000030_BUS_MSTR_RESET(x)                   (((x) >> 1) & 0x1)
+#define   C_000030_BUS_MSTR_RESET                      0xFFFFFFFD
+#define   S_000030_BUS_FLUSH_BUF(x)                    (((x) & 0x1) << 2)
+#define   G_000030_BUS_FLUSH_BUF(x)                    (((x) >> 2) & 0x1)
+#define   C_000030_BUS_FLUSH_BUF                       0xFFFFFFFB
+#define   S_000030_BUS_STOP_REQ_DIS(x)                 (((x) & 0x1) << 3)
+#define   G_000030_BUS_STOP_REQ_DIS(x)                 (((x) >> 3) & 0x1)
+#define   C_000030_BUS_STOP_REQ_DIS                    0xFFFFFFF7
+#define   S_000030_BUS_PM4_READ_COMBINE_EN(x)          (((x) & 0x1) << 4)
+#define   G_000030_BUS_PM4_READ_COMBINE_EN(x)          (((x) >> 4) & 0x1)
+#define   C_000030_BUS_PM4_READ_COMBINE_EN             0xFFFFFFEF
+#define   S_000030_BUS_WRT_COMBINE_EN(x)               (((x) & 0x1) << 5)
+#define   G_000030_BUS_WRT_COMBINE_EN(x)               (((x) >> 5) & 0x1)
+#define   C_000030_BUS_WRT_COMBINE_EN                  0xFFFFFFDF
+#define   S_000030_BUS_MASTER_DIS(x)                   (((x) & 0x1) << 6)
+#define   G_000030_BUS_MASTER_DIS(x)                   (((x) >> 6) & 0x1)
+#define   C_000030_BUS_MASTER_DIS                      0xFFFFFFBF
+#define   S_000030_BIOS_ROM_WRT_EN(x)                  (((x) & 0x1) << 7)
+#define   G_000030_BIOS_ROM_WRT_EN(x)                  (((x) >> 7) & 0x1)
+#define   C_000030_BIOS_ROM_WRT_EN                     0xFFFFFF7F
+#define   S_000030_BM_DAC_CRIPPLE(x)                   (((x) & 0x1) << 8)
+#define   G_000030_BM_DAC_CRIPPLE(x)                   (((x) >> 8) & 0x1)
+#define   C_000030_BM_DAC_CRIPPLE                      0xFFFFFEFF
+#define   S_000030_BUS_NON_PM4_READ_COMBINE_EN(x)      (((x) & 0x1) << 9)
+#define   G_000030_BUS_NON_PM4_READ_COMBINE_EN(x)      (((x) >> 9) & 0x1)
+#define   C_000030_BUS_NON_PM4_READ_COMBINE_EN         0xFFFFFDFF
+#define   S_000030_BUS_XFERD_DISCARD_EN(x)             (((x) & 0x1) << 10)
+#define   G_000030_BUS_XFERD_DISCARD_EN(x)             (((x) >> 10) & 0x1)
+#define   C_000030_BUS_XFERD_DISCARD_EN                0xFFFFFBFF
+#define   S_000030_BUS_SGL_READ_DISABLE(x)             (((x) & 0x1) << 11)
+#define   G_000030_BUS_SGL_READ_DISABLE(x)             (((x) >> 11) & 0x1)
+#define   C_000030_BUS_SGL_READ_DISABLE                0xFFFFF7FF
+#define   S_000030_BIOS_DIS_ROM(x)                     (((x) & 0x1) << 12)
+#define   G_000030_BIOS_DIS_ROM(x)                     (((x) >> 12) & 0x1)
+#define   C_000030_BIOS_DIS_ROM                        0xFFFFEFFF
+#define   S_000030_BUS_PCI_READ_RETRY_EN(x)            (((x) & 0x1) << 13)
+#define   G_000030_BUS_PCI_READ_RETRY_EN(x)            (((x) >> 13) & 0x1)
+#define   C_000030_BUS_PCI_READ_RETRY_EN               0xFFFFDFFF
+#define   S_000030_BUS_AGP_AD_STEPPING_EN(x)           (((x) & 0x1) << 14)
+#define   G_000030_BUS_AGP_AD_STEPPING_EN(x)           (((x) >> 14) & 0x1)
+#define   C_000030_BUS_AGP_AD_STEPPING_EN              0xFFFFBFFF
+#define   S_000030_BUS_PCI_WRT_RETRY_EN(x)             (((x) & 0x1) << 15)
+#define   G_000030_BUS_PCI_WRT_RETRY_EN(x)             (((x) >> 15) & 0x1)
+#define   C_000030_BUS_PCI_WRT_RETRY_EN                0xFFFF7FFF
+#define   S_000030_BUS_RETRY_WS(x)                     (((x) & 0xF) << 16)
+#define   G_000030_BUS_RETRY_WS(x)                     (((x) >> 16) & 0xF)
+#define   C_000030_BUS_RETRY_WS                        0xFFF0FFFF
+#define   S_000030_BUS_MSTR_RD_MULT(x)                 (((x) & 0x1) << 20)
+#define   G_000030_BUS_MSTR_RD_MULT(x)                 (((x) >> 20) & 0x1)
+#define   C_000030_BUS_MSTR_RD_MULT                    0xFFEFFFFF
+#define   S_000030_BUS_MSTR_RD_LINE(x)                 (((x) & 0x1) << 21)
+#define   G_000030_BUS_MSTR_RD_LINE(x)                 (((x) >> 21) & 0x1)
+#define   C_000030_BUS_MSTR_RD_LINE                    0xFFDFFFFF
+#define   S_000030_BUS_SUSPEND(x)                      (((x) & 0x1) << 22)
+#define   G_000030_BUS_SUSPEND(x)                      (((x) >> 22) & 0x1)
+#define   C_000030_BUS_SUSPEND                         0xFFBFFFFF
+#define   S_000030_LAT_16X(x)                          (((x) & 0x1) << 23)
+#define   G_000030_LAT_16X(x)                          (((x) >> 23) & 0x1)
+#define   C_000030_LAT_16X                             0xFF7FFFFF
+#define   S_000030_BUS_RD_DISCARD_EN(x)                (((x) & 0x1) << 24)
+#define   G_000030_BUS_RD_DISCARD_EN(x)                (((x) >> 24) & 0x1)
+#define   C_000030_BUS_RD_DISCARD_EN                   0xFEFFFFFF
+#define   S_000030_ENFRCWRDY(x)                        (((x) & 0x1) << 25)
+#define   G_000030_ENFRCWRDY(x)                        (((x) >> 25) & 0x1)
+#define   C_000030_ENFRCWRDY                           0xFDFFFFFF
+#define   S_000030_BUS_MSTR_WS(x)                      (((x) & 0x1) << 26)
+#define   G_000030_BUS_MSTR_WS(x)                      (((x) >> 26) & 0x1)
+#define   C_000030_BUS_MSTR_WS                         0xFBFFFFFF
+#define   S_000030_BUS_PARKING_DIS(x)                  (((x) & 0x1) << 27)
+#define   G_000030_BUS_PARKING_DIS(x)                  (((x) >> 27) & 0x1)
+#define   C_000030_BUS_PARKING_DIS                     0xF7FFFFFF
+#define   S_000030_BUS_MSTR_DISCONNECT_EN(x)           (((x) & 0x1) << 28)
+#define   G_000030_BUS_MSTR_DISCONNECT_EN(x)           (((x) >> 28) & 0x1)
+#define   C_000030_BUS_MSTR_DISCONNECT_EN              0xEFFFFFFF
+#define   S_000030_SERR_EN(x)                          (((x) & 0x1) << 29)
+#define   G_000030_SERR_EN(x)                          (((x) >> 29) & 0x1)
+#define   C_000030_SERR_EN                             0xDFFFFFFF
+#define   S_000030_BUS_READ_BURST(x)                   (((x) & 0x1) << 30)
+#define   G_000030_BUS_READ_BURST(x)                   (((x) >> 30) & 0x1)
+#define   C_000030_BUS_READ_BURST                      0xBFFFFFFF
+#define   S_000030_BUS_RDY_READ_DLY(x)                 (((x) & 0x1) << 31)
+#define   G_000030_BUS_RDY_READ_DLY(x)                 (((x) >> 31) & 0x1)
+#define   C_000030_BUS_RDY_READ_DLY                    0x7FFFFFFF
 #define R_000040_GEN_INT_CNTL                        0x000040
 #define   S_000040_CRTC_VBLANK(x)                      (((x) & 0x1) << 0)
 #define   G_000040_CRTC_VBLANK(x)                      (((x) >> 0) & 0x1)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 7d5de5dbde2..199110ef8df 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -151,6 +151,10 @@ void rv370_pcie_gart_disable(struct radeon_device *rdev)
 	u32 tmp;
 	int r;
 
+	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
+	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
+	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
+	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
@@ -323,7 +327,6 @@ void r300_gpu_init(struct radeon_device *rdev)
 {
 	uint32_t gb_tile_config, tmp;
 
-	r100_hdp_reset(rdev);
 	/* FIXME: rv380 one pipes ? */
 	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 	    (rdev->family == CHIP_R350)) {
@@ -376,57 +379,6 @@ void r300_gpu_init(struct radeon_device *rdev)
 		 rdev->num_gb_pipes, rdev->num_z_pipes);
 }
 
-int r300_ga_reset(struct radeon_device *rdev)
-{
-	uint32_t tmp;
-	bool reinit_cp;
-	int i;
-
-	reinit_cp = rdev->cp.ready;
-	rdev->cp.ready = false;
-	for (i = 0; i < rdev->usec_timeout; i++) {
-		WREG32(RADEON_CP_CSQ_MODE, 0);
-		WREG32(RADEON_CP_CSQ_CNTL, 0);
-		WREG32(RADEON_RBBM_SOFT_RESET, 0x32005);
-		(void)RREG32(RADEON_RBBM_SOFT_RESET);
-		udelay(200);
-		WREG32(RADEON_RBBM_SOFT_RESET, 0);
-		/* Wait to prevent race in RBBM_STATUS */
-		mdelay(1);
-		tmp = RREG32(RADEON_RBBM_STATUS);
-		if (tmp & ((1 << 20) | (1 << 26))) {
-			DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)", tmp);
-			/* GA still busy soft reset it */
-			WREG32(0x429C, 0x200);
-			WREG32(R300_VAP_PVS_STATE_FLUSH_REG, 0);
-			WREG32(R300_RE_SCISSORS_TL, 0);
-			WREG32(R300_RE_SCISSORS_BR, 0);
-			WREG32(0x24AC, 0);
-		}
-		/* Wait to prevent race in RBBM_STATUS */
-		mdelay(1);
-		tmp = RREG32(RADEON_RBBM_STATUS);
-		if (!(tmp & ((1 << 20) | (1 << 26)))) {
-			break;
-		}
-	}
-	for (i = 0; i < rdev->usec_timeout; i++) {
-		tmp = RREG32(RADEON_RBBM_STATUS);
-		if (!(tmp & ((1 << 20) | (1 << 26)))) {
-			DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n",
-				 tmp);
-			if (reinit_cp) {
-				return r100_cp_init(rdev, rdev->cp.ring_size);
-			}
-			return 0;
-		}
-		DRM_UDELAY(1);
-	}
-	tmp = RREG32(RADEON_RBBM_STATUS);
-	DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp);
-	return -1;
-}
-
 bool r300_gpu_is_lockup(struct radeon_device *rdev)
 {
 	u32 rbbm_status;
@@ -451,37 +403,69 @@ bool r300_gpu_is_lockup(struct radeon_device *rdev)
 
 int r300_asic_reset(struct radeon_device *rdev)
 {
-	uint32_t status;
+	struct r100_mc_save save;
+	u32 status, tmp;
 
-	/* reset order likely matter */
-	status = RREG32(RADEON_RBBM_STATUS);
+	r100_mc_stop(rdev, &save);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	if (!G_000E40_GUI_ACTIVE(status)) {
+		return 0;
+	}
+	status = RREG32(R_000E40_RBBM_STATUS);
 	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
-	/* reset HDP */
-	r100_hdp_reset(rdev);
-	/* reset rb2d */
-	if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
-		r100_rb2d_reset(rdev);
-	}
-	/* reset GA */
-	if (status & ((1 << 20) | (1 << 26))) {
-		r300_ga_reset(rdev);
-	}
-	/* reset CP */
-	status = RREG32(RADEON_RBBM_STATUS);
-	if (status & (1 << 16)) {
-		r100_cp_reset(rdev);
-	}
+	/* stop CP */
+	WREG32(RADEON_CP_CSQ_CNTL, 0);
+	tmp = RREG32(RADEON_CP_RB_CNTL);
+	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
+	WREG32(RADEON_CP_RB_RPTR_WR, 0);
+	WREG32(RADEON_CP_RB_WPTR, 0);
+	WREG32(RADEON_CP_RB_CNTL, tmp);
+	/* save PCI state */
+	pci_save_state(rdev->pdev);
+	/* disable bus mastering */
+	r100_bm_disable(rdev);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
+					S_0000F0_SOFT_RESET_GA(1));
+	RREG32(R_0000F0_RBBM_SOFT_RESET);
+	mdelay(500);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+	mdelay(1);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* resetting the CP seems to be problematic sometimes it end up
+	 * hard locking the computer, but it's necessary for successfull
+	 * reset more test & playing is needed on R3XX/R4XX to find a
+	 * reliable (if any solution)
+	 */
+	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
+	RREG32(R_0000F0_RBBM_SOFT_RESET);
+	mdelay(500);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+	mdelay(1);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* reset MC */
+	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
+	RREG32(R_0000F0_RBBM_SOFT_RESET);
+	mdelay(500);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+	mdelay(1);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* restore PCI & busmastering */
+	pci_restore_state(rdev->pdev);
+	r100_enable_bm(rdev);
 	/* Check if GPU is idle */
-	status = RREG32(RADEON_RBBM_STATUS);
-	if (status & RADEON_RBBM_ACTIVE) {
-		DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
+	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
+		dev_err(rdev->dev, "failed to reset GPU\n");
+		rdev->gpu_lockup = true;
 		return -1;
 	}
-	DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
+	r100_mc_resume(rdev, &save);
+	dev_info(rdev->dev, "GPU reset succeed\n");
 	return 0;
 }
 
-
 /*
  * r300,r350,rv350,rv380 VRAM info
  */
diff --git a/drivers/gpu/drm/radeon/r300d.h b/drivers/gpu/drm/radeon/r300d.h
index 4c73114f0de..968a33317fb 100644
--- a/drivers/gpu/drm/radeon/r300d.h
+++ b/drivers/gpu/drm/radeon/r300d.h
@@ -209,7 +209,52 @@
 #define   S_000E40_GUI_ACTIVE(x)                       (((x) & 0x1) << 31)
 #define   G_000E40_GUI_ACTIVE(x)                       (((x) >> 31) & 0x1)
 #define   C_000E40_GUI_ACTIVE                          0x7FFFFFFF
-
+#define R_0000F0_RBBM_SOFT_RESET                     0x0000F0
+#define   S_0000F0_SOFT_RESET_CP(x)                    (((x) & 0x1) << 0)
+#define   G_0000F0_SOFT_RESET_CP(x)                    (((x) >> 0) & 0x1)
+#define   C_0000F0_SOFT_RESET_CP                       0xFFFFFFFE
+#define   S_0000F0_SOFT_RESET_HI(x)                    (((x) & 0x1) << 1)
+#define   G_0000F0_SOFT_RESET_HI(x)                    (((x) >> 1) & 0x1)
+#define   C_0000F0_SOFT_RESET_HI                       0xFFFFFFFD
+#define   S_0000F0_SOFT_RESET_VAP(x)                   (((x) & 0x1) << 2)
+#define   G_0000F0_SOFT_RESET_VAP(x)                   (((x) >> 2) & 0x1)
+#define   C_0000F0_SOFT_RESET_VAP                      0xFFFFFFFB
+#define   S_0000F0_SOFT_RESET_RE(x)                    (((x) & 0x1) << 3)
+#define   G_0000F0_SOFT_RESET_RE(x)                    (((x) >> 3) & 0x1)
+#define   C_0000F0_SOFT_RESET_RE                       0xFFFFFFF7
+#define   S_0000F0_SOFT_RESET_PP(x)                    (((x) & 0x1) << 4)
+#define   G_0000F0_SOFT_RESET_PP(x)                    (((x) >> 4) & 0x1)
+#define   C_0000F0_SOFT_RESET_PP                       0xFFFFFFEF
+#define   S_0000F0_SOFT_RESET_E2(x)                    (((x) & 0x1) << 5)
+#define   G_0000F0_SOFT_RESET_E2(x)                    (((x) >> 5) & 0x1)
+#define   C_0000F0_SOFT_RESET_E2                       0xFFFFFFDF
+#define   S_0000F0_SOFT_RESET_RB(x)                    (((x) & 0x1) << 6)
+#define   G_0000F0_SOFT_RESET_RB(x)                    (((x) >> 6) & 0x1)
+#define   C_0000F0_SOFT_RESET_RB                       0xFFFFFFBF
+#define   S_0000F0_SOFT_RESET_HDP(x)                   (((x) & 0x1) << 7)
+#define   G_0000F0_SOFT_RESET_HDP(x)                   (((x) >> 7) & 0x1)
+#define   C_0000F0_SOFT_RESET_HDP                      0xFFFFFF7F
+#define   S_0000F0_SOFT_RESET_MC(x)                    (((x) & 0x1) << 8)
+#define   G_0000F0_SOFT_RESET_MC(x)                    (((x) >> 8) & 0x1)
+#define   C_0000F0_SOFT_RESET_MC                       0xFFFFFEFF
+#define   S_0000F0_SOFT_RESET_AIC(x)                   (((x) & 0x1) << 9)
+#define   G_0000F0_SOFT_RESET_AIC(x)                   (((x) >> 9) & 0x1)
+#define   C_0000F0_SOFT_RESET_AIC                      0xFFFFFDFF
+#define   S_0000F0_SOFT_RESET_VIP(x)                   (((x) & 0x1) << 10)
+#define   G_0000F0_SOFT_RESET_VIP(x)                   (((x) >> 10) & 0x1)
+#define   C_0000F0_SOFT_RESET_VIP                      0xFFFFFBFF
+#define   S_0000F0_SOFT_RESET_DISP(x)                  (((x) & 0x1) << 11)
+#define   G_0000F0_SOFT_RESET_DISP(x)                  (((x) >> 11) & 0x1)
+#define   C_0000F0_SOFT_RESET_DISP                     0xFFFFF7FF
+#define   S_0000F0_SOFT_RESET_CG(x)                    (((x) & 0x1) << 12)
+#define   G_0000F0_SOFT_RESET_CG(x)                    (((x) >> 12) & 0x1)
+#define   C_0000F0_SOFT_RESET_CG                       0xFFFFEFFF
+#define   S_0000F0_SOFT_RESET_GA(x)                    (((x) & 0x1) << 13)
+#define   G_0000F0_SOFT_RESET_GA(x)                    (((x) >> 13) & 0x1)
+#define   C_0000F0_SOFT_RESET_GA                       0xFFFFDFFF
+#define   S_0000F0_SOFT_RESET_IDCT(x)                  (((x) & 0x1) << 14)
+#define   G_0000F0_SOFT_RESET_IDCT(x)                  (((x) >> 14) & 0x1)
+#define   C_0000F0_SOFT_RESET_IDCT                     0xFFFFBFFF
 
 #define R_00000D_SCLK_CNTL                           0x00000D
 #define   S_00000D_SCLK_SRC_SEL(x)                     (((x) & 0x7) << 0)
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index 3ade473e69b..870111e26bd 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -53,7 +53,6 @@ static void r520_gpu_init(struct radeon_device *rdev)
 {
 	unsigned pipe_select_current, gb_pipe_select, tmp;
 
-	r100_hdp_reset(rdev);
 	rv515_vga_render_disable(rdev);
 	/*
 	 * DST_PIPE_CONFIG		0x170C
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 24fd5459fb4..13c9cc34231 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -749,7 +749,6 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
 			S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) |
 			S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) |
 			S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
-	u32 srbm_reset = 0;
 	u32 tmp;
 
 	dev_info(rdev->dev, "GPU softreset \n");
@@ -764,7 +763,7 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 	}
 	/* Disable CP parsing/prefetching */
-	WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(0xff));
+	WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
 	/* Check if any of the rendering block is busy and reset it */
 	if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) ||
 	    (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) {
@@ -783,55 +782,17 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
 			S_008020_SOFT_RESET_VGT(1);
 		dev_info(rdev->dev, "  R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
 		WREG32(R_008020_GRBM_SOFT_RESET, tmp);
-		(void)RREG32(R_008020_GRBM_SOFT_RESET);
-		mdelay(1);
+		RREG32(R_008020_GRBM_SOFT_RESET);
+		mdelay(15);
 		WREG32(R_008020_GRBM_SOFT_RESET, 0);
-		(void)RREG32(R_008020_GRBM_SOFT_RESET);
 	}
 	/* Reset CP (we always reset CP) */
 	tmp = S_008020_SOFT_RESET_CP(1);
 	dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
 	WREG32(R_008020_GRBM_SOFT_RESET, tmp);
-	(void)RREG32(R_008020_GRBM_SOFT_RESET);
-	udelay(50);
+	RREG32(R_008020_GRBM_SOFT_RESET);
+	mdelay(15);
 	WREG32(R_008020_GRBM_SOFT_RESET, 0);
-	(void)RREG32(R_008020_GRBM_SOFT_RESET);
-	/* Reset others GPU block if necessary */
-	if (G_000E50_RLC_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_RLC(1);
-	if (G_000E50_GRBM_RQ_PENDING(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_GRBM(1);
-	if (G_000E50_HI_RQ_PENDING(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_IH(1);
-	if (G_000E50_VMC_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_VMC(1);
-	if (G_000E50_MCB_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_MC(1);
-	if (G_000E50_MCDZ_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_MC(1);
-	if (G_000E50_MCDY_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_MC(1);
-	if (G_000E50_MCDX_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_MC(1);
-	if (G_000E50_MCDW_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_MC(1);
-	if (G_000E50_RLC_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_RLC(1);
-	if (G_000E50_SEM_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_SEM(1);
-	if (G_000E50_BIF_BUSY(RREG32(R_000E50_SRBM_STATUS)))
-		srbm_reset |= S_000E60_SOFT_RESET_BIF(1);
-	dev_info(rdev->dev, "  R_000E60_SRBM_SOFT_RESET=0x%08X\n", srbm_reset);
-	WREG32(R_000E60_SRBM_SOFT_RESET, srbm_reset);
-	(void)RREG32(R_000E60_SRBM_SOFT_RESET);
-	mdelay(1);
-	WREG32(R_000E60_SRBM_SOFT_RESET, 0);
-	(void)RREG32(R_000E60_SRBM_SOFT_RESET);
-	WREG32(R_000E60_SRBM_SOFT_RESET, srbm_reset);
-	(void)RREG32(R_000E60_SRBM_SOFT_RESET);
-	mdelay(1);
-	WREG32(R_000E60_SRBM_SOFT_RESET, 0);
-	(void)RREG32(R_000E60_SRBM_SOFT_RESET);
 	/* Wait a little for things to settle down */
 	mdelay(1);
 	dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
@@ -840,10 +801,6 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
 		RREG32(R_008014_GRBM_STATUS2));
 	dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
 		RREG32(R_000E50_SRBM_STATUS));
-	/* After reset we need to reinit the asic as GPU often endup in an
-	 * incoherent state.
-	 */
-	atom_asic_init(rdev->mode_info.atom_context);
 	rv515_mc_resume(rdev, &save);
 	return 0;
 }
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c
index f6c6c77db7e..d13622ae74e 100644
--- a/drivers/gpu/drm/radeon/r600_blit_kms.c
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -447,6 +447,9 @@ int r600_blit_init(struct radeon_device *rdev)
 	u32 packet2s[16];
 	int num_packet2s = 0;
 
+	/* don't reinitialize blit */
+	if (rdev->r600_blit.shader_obj)
+		return 0;
 	mutex_init(&rdev->r600_blit.mutex);
 	rdev->r600_blit.state_offset = 0;
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 3cc5820b0e1..4ac97ab2894 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1188,6 +1188,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 
 /* Common functions */
 /* AGP */
+extern int radeon_gpu_reset(struct radeon_device *rdev);
 extern void radeon_agp_disable(struct radeon_device *rdev);
 extern int radeon_gart_table_vram_pin(struct radeon_device *rdev);
 extern void radeon_gart_restore(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 011ac6d8658..0d7664b8e48 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -367,7 +367,7 @@ static struct radeon_asic rs600_asic = {
 	.resume = &rs600_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.asic_reset = &r300_asic_reset,
+	.asic_reset = &rs600_asic_reset,
 	.gart_tlb_flush = &rs600_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -406,7 +406,7 @@ static struct radeon_asic rs690_asic = {
 	.resume = &rs690_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.asic_reset = &r300_asic_reset,
+	.asic_reset = &rs600_asic_reset,
 	.gart_tlb_flush = &rs400_gart_tlb_flush,
 	.gart_set_page = &rs400_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -445,7 +445,7 @@ static struct radeon_asic rv515_asic = {
 	.resume = &rv515_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.asic_reset = &rv515_asic_reset,
+	.asic_reset = &rs600_asic_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -484,7 +484,7 @@ static struct radeon_asic r520_asic = {
 	.resume = &r520_resume,
 	.vga_set_state = &r100_vga_set_state,
 	.gpu_is_lockup = &r300_gpu_is_lockup,
-	.asic_reset = &rv515_asic_reset,
+	.asic_reset = &rs600_asic_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
 	.cp_commit = &r100_cp_commit,
@@ -560,6 +560,7 @@ static struct radeon_asic rs780_asic = {
 	.suspend = &r600_suspend,
 	.resume = &r600_resume,
 	.cp_commit = &r600_cp_commit,
+	.gpu_is_lockup = &r600_gpu_is_lockup,
 	.vga_set_state = &r600_vga_set_state,
 	.asic_reset = &r600_asic_reset,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 53ebcacbd0e..77d48ba4a29 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -111,8 +111,6 @@ void r100_vram_init_sizes(struct radeon_device *rdev);
 void r100_wb_disable(struct radeon_device *rdev);
 void r100_wb_fini(struct radeon_device *rdev);
 int r100_wb_init(struct radeon_device *rdev);
-void r100_hdp_reset(struct radeon_device *rdev);
-int r100_rb2d_reset(struct radeon_device *rdev);
 int r100_cp_reset(struct radeon_device *rdev);
 void r100_vga_render_disable(struct radeon_device *rdev);
 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
@@ -127,7 +125,7 @@ int r100_cs_packet_parse(struct radeon_cs_parser *p,
 			 unsigned idx);
 void r100_enable_bm(struct radeon_device *rdev);
 void r100_set_common_regs(struct radeon_device *rdev);
-
+void r100_bm_disable(struct radeon_device *rdev);
 /*
  * r200,rv250,rs300,rv280
  */
@@ -180,6 +178,7 @@ void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 /*
  * rs600.
  */
+extern int rs600_asic_reset(struct radeon_device *rdev);
 extern int rs600_init(struct radeon_device *rdev);
 extern void rs600_fini(struct radeon_device *rdev);
 extern int rs600_suspend(struct radeon_device *rdev);
@@ -214,7 +213,6 @@ void rs690_bandwidth_update(struct radeon_device *rdev);
  */
 int rv515_init(struct radeon_device *rdev);
 void rv515_fini(struct radeon_device *rdev);
-int rv515_asic_reset(struct radeon_device *rdev);
 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg);
 void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void rv515_ring_start(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index f9b0fe002c0..ae0fb7356e6 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -220,10 +220,6 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	int r;
 
 	mutex_lock(&rdev->cs_mutex);
-	if (rdev->gpu_lockup) {
-		mutex_unlock(&rdev->cs_mutex);
-		return -EINVAL;
-	}
 	/* initialize parser */
 	memset(&parser, 0, sizeof(struct radeon_cs_parser));
 	parser.filp = filp;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 232a3076849..d4ff5a6d349 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -639,6 +639,8 @@ void radeon_device_fini(struct radeon_device *rdev)
 {
 	DRM_INFO("radeon: finishing device.\n");
 	rdev->shutdown = true;
+	/* evict vram memory */
+	radeon_bo_evict_vram(rdev);
 	radeon_fini(rdev);
 	destroy_workqueue(rdev->wq);
 	vga_switcheroo_unregister_client(rdev->pdev);
@@ -737,6 +739,26 @@ int radeon_resume_kms(struct drm_device *dev)
 	return 0;
 }
 
+int radeon_gpu_reset(struct radeon_device *rdev)
+{
+	int r;
+
+	radeon_save_bios_scratch_regs(rdev);
+	radeon_suspend(rdev);
+
+	r = radeon_asic_reset(rdev);
+	if (!r) {
+		dev_info(rdev->dev, "GPU reset succeed\n");
+		radeon_resume(rdev);
+		radeon_restore_bios_scratch_regs(rdev);
+		drm_helper_resume_force_mode(rdev->ddev);
+		return 0;
+	}
+	/* bad news, how to tell it to userspace ? */
+	dev_info(rdev->dev, "GPU reset failed\n");
+	return r;
+}
+
 
 /*
  * Debugfs
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 2560740ff92..fcd7802d8a7 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -209,8 +209,9 @@ retry:
 		r = wait_event_interruptible_timeout(rdev->fence_drv.queue,
 				radeon_fence_signaled(fence), timeout);
 		radeon_irq_kms_sw_irq_put(rdev);
-		if (unlikely(r < 0))
+		if (unlikely(r < 0)) {
 			return r;
+		}
 	} else {
 		radeon_irq_kms_sw_irq_get(rdev);
 		r = wait_event_timeout(rdev->fence_drv.queue,
@@ -230,14 +231,16 @@ retry:
 		 */
 		if (seq == rdev->fence_drv.last_seq && radeon_gpu_is_lockup(rdev)) {
 			/* good news we believe it's a lockup */
-			dev_warn(rdev->dev, "GPU lockup (last fence id 0x%08X)\n", seq);
-			r = radeon_asic_reset(rdev);
-			if (r)
-				return r;
+			WARN(1, "GPU lockup (waiting for 0x%08X last fence id 0x%08X)\n", fence->seq, seq);
 			/* FIXME: what should we do ? marking everyone
 			 * as signaled for now
 			 */
+			rdev->gpu_lockup = true;
 			WREG32(rdev->fence_drv.scratch_reg, fence->seq);
+			r = radeon_gpu_reset(rdev);
+			if (r)
+				return r;
+			rdev->gpu_lockup = false;
 		}
 		timeout = RADEON_FENCE_JIFFIES_TIMEOUT;
 		write_lock_irqsave(&rdev->fence_drv.lock, irq_flags);
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 1770d3c07fd..e65b90317fa 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -173,7 +173,7 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
 	int i, j;
 
 	if (!rdev->gart.ready) {
-		DRM_ERROR("trying to bind memory to unitialized GART !\n");
+		WARN(1, "trying to bind memory to unitialized GART !\n");
 		return -EINVAL;
 	}
 	t = offset / RADEON_GPU_PAGE_SIZE;
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 3deec218508..9420c20dc14 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -242,8 +242,6 @@ int rs400_mc_wait_for_idle(struct radeon_device *rdev)
 
 void rs400_gpu_init(struct radeon_device *rdev)
 {
-	/* FIXME: HDP same place on rs400 ? */
-	r100_hdp_reset(rdev);
 	/* FIXME: is this correct ? */
 	r420_pipes_init(rdev);
 	if (rs400_mc_wait_for_idle(rdev)) {
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index c1be20afd42..a16d9d79f36 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -147,6 +147,78 @@ void rs600_hpd_fini(struct radeon_device *rdev)
 	}
 }
 
+void rs600_bm_disable(struct radeon_device *rdev)
+{
+	u32 tmp;
+
+	/* disable bus mastering */
+	pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
+	pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
+	mdelay(1);
+}
+
+int rs600_asic_reset(struct radeon_device *rdev)
+{
+	u32 status, tmp;
+
+	struct rv515_mc_save save;
+
+	/* Stops all mc clients */
+	rv515_mc_stop(rdev, &save);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	if (!G_000E40_GUI_ACTIVE(status)) {
+		return 0;
+	}
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* stop CP */
+	WREG32(RADEON_CP_CSQ_CNTL, 0);
+	tmp = RREG32(RADEON_CP_RB_CNTL);
+	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
+	WREG32(RADEON_CP_RB_RPTR_WR, 0);
+	WREG32(RADEON_CP_RB_WPTR, 0);
+	WREG32(RADEON_CP_RB_CNTL, tmp);
+	pci_save_state(rdev->pdev);
+	/* disable bus mastering */
+	rs600_bm_disable(rdev);
+	/* reset GA+VAP */
+	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
+					S_0000F0_SOFT_RESET_GA(1));
+	RREG32(R_0000F0_RBBM_SOFT_RESET);
+	mdelay(500);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+	mdelay(1);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* reset CP */
+	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
+	RREG32(R_0000F0_RBBM_SOFT_RESET);
+	mdelay(500);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+	mdelay(1);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* reset MC */
+	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
+	RREG32(R_0000F0_RBBM_SOFT_RESET);
+	mdelay(500);
+	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+	mdelay(1);
+	status = RREG32(R_000E40_RBBM_STATUS);
+	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+	/* restore PCI & busmastering */
+	pci_restore_state(rdev->pdev);
+	/* Check if GPU is idle */
+	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
+		dev_err(rdev->dev, "failed to reset GPU\n");
+		rdev->gpu_lockup = true;
+		return -1;
+	}
+	rv515_mc_resume(rdev, &save);
+	dev_info(rdev->dev, "GPU reset succeed\n");
+	return 0;
+}
+
 /*
  * GART.
  */
@@ -454,7 +526,6 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev)
 
 void rs600_gpu_init(struct radeon_device *rdev)
 {
-	r100_hdp_reset(rdev);
 	r420_pipes_init(rdev);
 	/* Wait for mc idle */
 	if (rs600_mc_wait_for_idle(rdev))
diff --git a/drivers/gpu/drm/radeon/rs600d.h b/drivers/gpu/drm/radeon/rs600d.h
index e52d2695510..08c4bebd301 100644
--- a/drivers/gpu/drm/radeon/rs600d.h
+++ b/drivers/gpu/drm/radeon/rs600d.h
@@ -178,6 +178,52 @@
 #define   S_000074_MC_IND_DATA(x)                      (((x) & 0xFFFFFFFF) << 0)
 #define   G_000074_MC_IND_DATA(x)                      (((x) >> 0) & 0xFFFFFFFF)
 #define   C_000074_MC_IND_DATA                         0x00000000
+#define R_0000F0_RBBM_SOFT_RESET                     0x0000F0
+#define   S_0000F0_SOFT_RESET_CP(x)                    (((x) & 0x1) << 0)
+#define   G_0000F0_SOFT_RESET_CP(x)                    (((x) >> 0) & 0x1)
+#define   C_0000F0_SOFT_RESET_CP                       0xFFFFFFFE
+#define   S_0000F0_SOFT_RESET_HI(x)                    (((x) & 0x1) << 1)
+#define   G_0000F0_SOFT_RESET_HI(x)                    (((x) >> 1) & 0x1)
+#define   C_0000F0_SOFT_RESET_HI                       0xFFFFFFFD
+#define   S_0000F0_SOFT_RESET_VAP(x)                   (((x) & 0x1) << 2)
+#define   G_0000F0_SOFT_RESET_VAP(x)                   (((x) >> 2) & 0x1)
+#define   C_0000F0_SOFT_RESET_VAP                      0xFFFFFFFB
+#define   S_0000F0_SOFT_RESET_RE(x)                    (((x) & 0x1) << 3)
+#define   G_0000F0_SOFT_RESET_RE(x)                    (((x) >> 3) & 0x1)
+#define   C_0000F0_SOFT_RESET_RE                       0xFFFFFFF7
+#define   S_0000F0_SOFT_RESET_PP(x)                    (((x) & 0x1) << 4)
+#define   G_0000F0_SOFT_RESET_PP(x)                    (((x) >> 4) & 0x1)
+#define   C_0000F0_SOFT_RESET_PP                       0xFFFFFFEF
+#define   S_0000F0_SOFT_RESET_E2(x)                    (((x) & 0x1) << 5)
+#define   G_0000F0_SOFT_RESET_E2(x)                    (((x) >> 5) & 0x1)
+#define   C_0000F0_SOFT_RESET_E2                       0xFFFFFFDF
+#define   S_0000F0_SOFT_RESET_RB(x)                    (((x) & 0x1) << 6)
+#define   G_0000F0_SOFT_RESET_RB(x)                    (((x) >> 6) & 0x1)
+#define   C_0000F0_SOFT_RESET_RB                       0xFFFFFFBF
+#define   S_0000F0_SOFT_RESET_HDP(x)                   (((x) & 0x1) << 7)
+#define   G_0000F0_SOFT_RESET_HDP(x)                   (((x) >> 7) & 0x1)
+#define   C_0000F0_SOFT_RESET_HDP                      0xFFFFFF7F
+#define   S_0000F0_SOFT_RESET_MC(x)                    (((x) & 0x1) << 8)
+#define   G_0000F0_SOFT_RESET_MC(x)                    (((x) >> 8) & 0x1)
+#define   C_0000F0_SOFT_RESET_MC                       0xFFFFFEFF
+#define   S_0000F0_SOFT_RESET_AIC(x)                   (((x) & 0x1) << 9)
+#define   G_0000F0_SOFT_RESET_AIC(x)                   (((x) >> 9) & 0x1)
+#define   C_0000F0_SOFT_RESET_AIC                      0xFFFFFDFF
+#define   S_0000F0_SOFT_RESET_VIP(x)                   (((x) & 0x1) << 10)
+#define   G_0000F0_SOFT_RESET_VIP(x)                   (((x) >> 10) & 0x1)
+#define   C_0000F0_SOFT_RESET_VIP                      0xFFFFFBFF
+#define   S_0000F0_SOFT_RESET_DISP(x)                  (((x) & 0x1) << 11)
+#define   G_0000F0_SOFT_RESET_DISP(x)                  (((x) >> 11) & 0x1)
+#define   C_0000F0_SOFT_RESET_DISP                     0xFFFFF7FF
+#define   S_0000F0_SOFT_RESET_CG(x)                    (((x) & 0x1) << 12)
+#define   G_0000F0_SOFT_RESET_CG(x)                    (((x) >> 12) & 0x1)
+#define   C_0000F0_SOFT_RESET_CG                       0xFFFFEFFF
+#define   S_0000F0_SOFT_RESET_GA(x)                    (((x) & 0x1) << 13)
+#define   G_0000F0_SOFT_RESET_GA(x)                    (((x) >> 13) & 0x1)
+#define   C_0000F0_SOFT_RESET_GA                       0xFFFFDFFF
+#define   S_0000F0_SOFT_RESET_IDCT(x)                  (((x) & 0x1) << 14)
+#define   G_0000F0_SOFT_RESET_IDCT(x)                  (((x) >> 14) & 0x1)
+#define   C_0000F0_SOFT_RESET_IDCT                     0xFFFFBFFF
 #define R_000134_HDP_FB_LOCATION                     0x000134
 #define   S_000134_HDP_FB_START(x)                     (((x) & 0xFFFF) << 0)
 #define   G_000134_HDP_FB_START(x)                     (((x) >> 0) & 0xFFFF)
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index ef35e0468f1..56a0aec84af 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -48,8 +48,6 @@ static int rs690_mc_wait_for_idle(struct radeon_device *rdev)
 
 static void rs690_gpu_init(struct radeon_device *rdev)
 {
-	/* FIXME: HDP same place on rs690 ? */
-	r100_hdp_reset(rdev);
 	/* FIXME: is this correct ? */
 	r420_pipes_init(rdev);
 	if (rs690_mc_wait_for_idle(rdev)) {
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 2a4c01f5cf1..b42f8d90a0f 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -146,16 +146,11 @@ void rv515_gpu_init(struct radeon_device *rdev)
 {
 	unsigned pipe_select_current, gb_pipe_select, tmp;
 
-	r100_hdp_reset(rdev);
-	r100_rb2d_reset(rdev);
-
 	if (r100_gui_wait_for_idle(rdev)) {
 		printk(KERN_WARNING "Failed to wait GUI idle while "
 		       "reseting GPU. Bad things might happen.\n");
 	}
-
 	rv515_vga_render_disable(rdev);
-
 	r420_pipes_init(rdev);
 	gb_pipe_select = RREG32(0x402C);
 	tmp = RREG32(0x170C);
@@ -173,91 +168,6 @@ void rv515_gpu_init(struct radeon_device *rdev)
 	}
 }
 
-int rv515_ga_reset(struct radeon_device *rdev)
-{
-	uint32_t tmp;
-	bool reinit_cp;
-	int i;
-
-	reinit_cp = rdev->cp.ready;
-	rdev->cp.ready = false;
-	for (i = 0; i < rdev->usec_timeout; i++) {
-		WREG32(CP_CSQ_MODE, 0);
-		WREG32(CP_CSQ_CNTL, 0);
-		WREG32(RBBM_SOFT_RESET, 0x32005);
-		(void)RREG32(RBBM_SOFT_RESET);
-		udelay(200);
-		WREG32(RBBM_SOFT_RESET, 0);
-		/* Wait to prevent race in RBBM_STATUS */
-		mdelay(1);
-		tmp = RREG32(RBBM_STATUS);
-		if (tmp & ((1 << 20) | (1 << 26))) {
-			DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)\n", tmp);
-			/* GA still busy soft reset it */
-			WREG32(0x429C, 0x200);
-			WREG32(VAP_PVS_STATE_FLUSH_REG, 0);
-			WREG32(0x43E0, 0);
-			WREG32(0x43E4, 0);
-			WREG32(0x24AC, 0);
-		}
-		/* Wait to prevent race in RBBM_STATUS */
-		mdelay(1);
-		tmp = RREG32(RBBM_STATUS);
-		if (!(tmp & ((1 << 20) | (1 << 26)))) {
-			break;
-		}
-	}
-	for (i = 0; i < rdev->usec_timeout; i++) {
-		tmp = RREG32(RBBM_STATUS);
-		if (!(tmp & ((1 << 20) | (1 << 26)))) {
-			DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n",
-				 tmp);
-			DRM_INFO("GA_IDLE=0x%08X\n", RREG32(0x425C));
-			DRM_INFO("RB3D_RESET_STATUS=0x%08X\n", RREG32(0x46f0));
-			DRM_INFO("ISYNC_CNTL=0x%08X\n", RREG32(0x1724));
-			if (reinit_cp) {
-				return r100_cp_init(rdev, rdev->cp.ring_size);
-			}
-			return 0;
-		}
-		DRM_UDELAY(1);
-	}
-	tmp = RREG32(RBBM_STATUS);
-	DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp);
-	return -1;
-}
-
-int rv515_asic_reset(struct radeon_device *rdev)
-{
-	uint32_t status;
-
-	/* reset order likely matter */
-	status = RREG32(RBBM_STATUS);
-	/* reset HDP */
-	r100_hdp_reset(rdev);
-	/* reset rb2d */
-	if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
-		r100_rb2d_reset(rdev);
-	}
-	/* reset GA */
-	if (status & ((1 << 20) | (1 << 26))) {
-		rv515_ga_reset(rdev);
-	}
-	/* reset CP */
-	status = RREG32(RBBM_STATUS);
-	if (status & (1 << 16)) {
-		r100_cp_reset(rdev);
-	}
-	/* Check if GPU is idle */
-	status = RREG32(RBBM_STATUS);
-	if (status & (1 << 31)) {
-		DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
-		return -1;
-	}
-	DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
-	return 0;
-}
-
 static void rv515_vram_get_type(struct radeon_device *rdev)
 {
 	uint32_t tmp;
diff --git a/drivers/gpu/drm/radeon/rv515d.h b/drivers/gpu/drm/radeon/rv515d.h
index fc216e49384..590309a710b 100644
--- a/drivers/gpu/drm/radeon/rv515d.h
+++ b/drivers/gpu/drm/radeon/rv515d.h
@@ -217,6 +217,52 @@
 #define CP_PACKET3_GET_OPCODE(h) (((h) >> 8) & 0xFF)
 
 /* Registers */
+#define R_0000F0_RBBM_SOFT_RESET                     0x0000F0
+#define   S_0000F0_SOFT_RESET_CP(x)                    (((x) & 0x1) << 0)
+#define   G_0000F0_SOFT_RESET_CP(x)                    (((x) >> 0) & 0x1)
+#define   C_0000F0_SOFT_RESET_CP                       0xFFFFFFFE
+#define   S_0000F0_SOFT_RESET_HI(x)                    (((x) & 0x1) << 1)
+#define   G_0000F0_SOFT_RESET_HI(x)                    (((x) >> 1) & 0x1)
+#define   C_0000F0_SOFT_RESET_HI                       0xFFFFFFFD
+#define   S_0000F0_SOFT_RESET_VAP(x)                   (((x) & 0x1) << 2)
+#define   G_0000F0_SOFT_RESET_VAP(x)                   (((x) >> 2) & 0x1)
+#define   C_0000F0_SOFT_RESET_VAP                      0xFFFFFFFB
+#define   S_0000F0_SOFT_RESET_RE(x)                    (((x) & 0x1) << 3)
+#define   G_0000F0_SOFT_RESET_RE(x)                    (((x) >> 3) & 0x1)
+#define   C_0000F0_SOFT_RESET_RE                       0xFFFFFFF7
+#define   S_0000F0_SOFT_RESET_PP(x)                    (((x) & 0x1) << 4)
+#define   G_0000F0_SOFT_RESET_PP(x)                    (((x) >> 4) & 0x1)
+#define   C_0000F0_SOFT_RESET_PP                       0xFFFFFFEF
+#define   S_0000F0_SOFT_RESET_E2(x)                    (((x) & 0x1) << 5)
+#define   G_0000F0_SOFT_RESET_E2(x)                    (((x) >> 5) & 0x1)
+#define   C_0000F0_SOFT_RESET_E2                       0xFFFFFFDF
+#define   S_0000F0_SOFT_RESET_RB(x)                    (((x) & 0x1) << 6)
+#define   G_0000F0_SOFT_RESET_RB(x)                    (((x) >> 6) & 0x1)
+#define   C_0000F0_SOFT_RESET_RB                       0xFFFFFFBF
+#define   S_0000F0_SOFT_RESET_HDP(x)                   (((x) & 0x1) << 7)
+#define   G_0000F0_SOFT_RESET_HDP(x)                   (((x) >> 7) & 0x1)
+#define   C_0000F0_SOFT_RESET_HDP                      0xFFFFFF7F
+#define   S_0000F0_SOFT_RESET_MC(x)                    (((x) & 0x1) << 8)
+#define   G_0000F0_SOFT_RESET_MC(x)                    (((x) >> 8) & 0x1)
+#define   C_0000F0_SOFT_RESET_MC                       0xFFFFFEFF
+#define   S_0000F0_SOFT_RESET_AIC(x)                   (((x) & 0x1) << 9)
+#define   G_0000F0_SOFT_RESET_AIC(x)                   (((x) >> 9) & 0x1)
+#define   C_0000F0_SOFT_RESET_AIC                      0xFFFFFDFF
+#define   S_0000F0_SOFT_RESET_VIP(x)                   (((x) & 0x1) << 10)
+#define   G_0000F0_SOFT_RESET_VIP(x)                   (((x) >> 10) & 0x1)
+#define   C_0000F0_SOFT_RESET_VIP                      0xFFFFFBFF
+#define   S_0000F0_SOFT_RESET_DISP(x)                  (((x) & 0x1) << 11)
+#define   G_0000F0_SOFT_RESET_DISP(x)                  (((x) >> 11) & 0x1)
+#define   C_0000F0_SOFT_RESET_DISP                     0xFFFFF7FF
+#define   S_0000F0_SOFT_RESET_CG(x)                    (((x) & 0x1) << 12)
+#define   G_0000F0_SOFT_RESET_CG(x)                    (((x) >> 12) & 0x1)
+#define   C_0000F0_SOFT_RESET_CG                       0xFFFFEFFF
+#define   S_0000F0_SOFT_RESET_GA(x)                    (((x) & 0x1) << 13)
+#define   G_0000F0_SOFT_RESET_GA(x)                    (((x) >> 13) & 0x1)
+#define   C_0000F0_SOFT_RESET_GA                       0xFFFFDFFF
+#define   S_0000F0_SOFT_RESET_IDCT(x)                  (((x) & 0x1) << 14)
+#define   G_0000F0_SOFT_RESET_IDCT(x)                  (((x) >> 14) & 0x1)
+#define   C_0000F0_SOFT_RESET_IDCT                     0xFFFFBFFF
 #define R_0000F8_CONFIG_MEMSIZE                      0x0000F8
 #define   S_0000F8_CONFIG_MEMSIZE(x)                   (((x) & 0xFFFFFFFF) << 0)
 #define   G_0000F8_CONFIG_MEMSIZE(x)                   (((x) >> 0) & 0xFFFFFFFF)

From 1403b1a38e8b19a4cc17e2c158e278628943a436 Mon Sep 17 00:00:00 2001
From: Pauli Nieminen <suokkos@gmail.com>
Date: Thu, 1 Apr 2010 12:44:57 +0000
Subject: [PATCH 0186/3638] drm/ttm: add pool wc/uc page allocator V3

On AGP system we might allocate/free routinely uncached or wc memory,
changing page from cached (wb) to uc or wc is very expensive and involves
a lot of flushing. To improve performance this allocator use a pool
of uc,wc pages.

Pools are protected with spinlocks to allow multiple threads to allocate pages
simultanously. Expensive operations are done outside of spinlock to maximize
concurrency.

Pools are linked lists of pages that were recently freed. mm shrink callback
allows kernel to claim back pages when they are required for something else.

Fixes:
* set_pages_array_wb handles highmem pages so we don't have to remove them
  from pool.
* Add count parameter to ttm_put_pages to avoid looping in free code.
* Change looping from _safe to normal in pool fill error path.
* Initialize sum variable and make the loop prettier in get_num_unused_pages.

* Moved pages_freed reseting inside the loop in ttm_page_pool_free.
* Add warning comment about spinlock context in ttm_page_pool_free.

Based on Jerome Glisse's and Dave Airlie's pool allocator.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/Makefile         |   2 +-
 drivers/gpu/drm/ttm/ttm_memory.c     |   7 +-
 drivers/gpu/drm/ttm/ttm_page_alloc.c | 711 +++++++++++++++++++++++++++
 drivers/gpu/drm/ttm/ttm_tt.c         |  44 +-
 include/drm/ttm/ttm_page_alloc.h     |  70 +++
 5 files changed, 809 insertions(+), 25 deletions(-)
 create mode 100644 drivers/gpu/drm/ttm/ttm_page_alloc.c
 create mode 100644 include/drm/ttm/ttm_page_alloc.h

diff --git a/drivers/gpu/drm/ttm/Makefile b/drivers/gpu/drm/ttm/Makefile
index 1e138f5bae0..4256e200647 100644
--- a/drivers/gpu/drm/ttm/Makefile
+++ b/drivers/gpu/drm/ttm/Makefile
@@ -4,6 +4,6 @@
 ccflags-y := -Iinclude/drm
 ttm-y := ttm_agp_backend.o ttm_memory.o ttm_tt.o ttm_bo.o \
 	ttm_bo_util.o ttm_bo_vm.o ttm_module.o ttm_global.o \
-	ttm_object.o ttm_lock.o ttm_execbuf_util.o
+	ttm_object.o ttm_lock.o ttm_execbuf_util.o ttm_page_alloc.o
 
 obj-$(CONFIG_DRM_TTM) += ttm.o
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index c40e5f48e9a..daff8a87977 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -27,6 +27,7 @@
 
 #include "ttm/ttm_memory.h"
 #include "ttm/ttm_module.h"
+#include "ttm/ttm_page_alloc.h"
 #include <linux/spinlock.h>
 #include <linux/sched.h>
 #include <linux/wait.h>
@@ -392,6 +393,7 @@ int ttm_mem_global_init(struct ttm_mem_global *glob)
 		       "Zone %7s: Available graphics memory: %llu kiB.\n",
 		       zone->name, (unsigned long long) zone->max_mem >> 10);
 	}
+	ttm_page_alloc_init(glob->zone_kernel->max_mem/(2*PAGE_SIZE));
 	return 0;
 out_no_zone:
 	ttm_mem_global_release(glob);
@@ -404,6 +406,9 @@ void ttm_mem_global_release(struct ttm_mem_global *glob)
 	unsigned int i;
 	struct ttm_mem_zone *zone;
 
+	/* let the page allocator first stop the shrink work. */
+	ttm_page_alloc_fini();
+
 	flush_workqueue(glob->swap_queue);
 	destroy_workqueue(glob->swap_queue);
 	glob->swap_queue = NULL;
@@ -411,7 +416,7 @@ void ttm_mem_global_release(struct ttm_mem_global *glob)
 		zone = glob->zones[i];
 		kobject_del(&zone->kobj);
 		kobject_put(&zone->kobj);
-	}
+			}
 	kobject_del(&glob->kobj);
 	kobject_put(&glob->kobj);
 }
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
new file mode 100644
index 00000000000..f46e40be079
--- /dev/null
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -0,0 +1,711 @@
+/*
+ * Copyright (c) Red Hat Inc.
+
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ *          Jerome Glisse <jglisse@redhat.com>
+ *          Pauli Nieminen <suokkos@gmail.com>
+ */
+
+/* simple list based uncached page pool
+ * - Pool collects resently freed pages for reuse
+ * - Use page->lru to keep a free list
+ * - doesn't track currently in use pages
+ */
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/highmem.h>
+#include <linux/mm_types.h>
+#include <linux/mm.h>
+
+#include <asm/atomic.h>
+#include <asm/agp.h>
+
+#include "ttm/ttm_bo_driver.h"
+#include "ttm/ttm_page_alloc.h"
+
+
+#define NUM_PAGES_TO_ALLOC		(PAGE_SIZE/sizeof(struct page *))
+#define SMALL_ALLOCATION		16
+#define FREE_ALL_PAGES			(~0U)
+/* times are in msecs */
+#define PAGE_FREE_INTERVAL		1000
+
+/**
+ * struct ttm_page_pool - Pool to reuse recently allocated uc/wc pages.
+ *
+ * @lock: Protects the shared pool from concurrnet access. Must be used with
+ * irqsave/irqrestore variants because pool allocator maybe called from
+ * delayed work.
+ * @fill_lock: Prevent concurrent calls to fill.
+ * @list: Pool of free uc/wc pages for fast reuse.
+ * @gfp_flags: Flags to pass for alloc_page.
+ * @npages: Number of pages in pool.
+ */
+struct ttm_page_pool {
+	spinlock_t		lock;
+	bool			fill_lock;
+	struct list_head	list;
+	int			gfp_flags;
+	unsigned		npages;
+};
+
+struct ttm_pool_opts {
+	unsigned	alloc_size;
+	unsigned	max_size;
+	unsigned	small;
+};
+
+#define NUM_POOLS 4
+
+/**
+ * struct ttm_pool_manager - Holds memory pools for fst allocation
+ *
+ * Manager is read only object for pool code so it doesn't need locking.
+ *
+ * @free_interval: minimum number of jiffies between freeing pages from pool.
+ * @page_alloc_inited: reference counting for pool allocation.
+ * @work: Work that is used to shrink the pool. Work is only run when there is
+ * some pages to free.
+ * @small_allocation: Limit in number of pages what is small allocation.
+ *
+ * @pools: All pool objects in use.
+ **/
+struct ttm_pool_manager {
+	struct shrinker		mm_shrink;
+	atomic_t		page_alloc_inited;
+	struct ttm_pool_opts	options;
+
+	union {
+		struct ttm_page_pool	pools[NUM_POOLS];
+		struct {
+			struct ttm_page_pool	wc_pool;
+			struct ttm_page_pool	uc_pool;
+			struct ttm_page_pool	wc_pool_dma32;
+			struct ttm_page_pool	uc_pool_dma32;
+		} ;
+	};
+};
+
+static struct ttm_pool_manager _manager = {
+	.page_alloc_inited	= ATOMIC_INIT(0)
+};
+
+#ifdef CONFIG_X86
+/* TODO: add this to x86 like _uc, this version here is inefficient */
+static int set_pages_array_wc(struct page **pages, int addrinarray)
+{
+	int i;
+
+	for (i = 0; i < addrinarray; i++)
+		set_memory_wc((unsigned long)page_address(pages[i]), 1);
+	return 0;
+}
+#else
+static int set_pages_array_wb(struct page **pages, int addrinarray)
+{
+#ifdef TTM_HAS_AGP
+	int i;
+
+	for (i = 0; i < addrinarray; i++)
+		unmap_page_from_agp(pages[i]);
+#endif
+	return 0;
+}
+
+static int set_pages_array_wc(struct page **pages, int addrinarray)
+{
+#ifdef TTM_HAS_AGP
+	int i;
+
+	for (i = 0; i < addrinarray; i++)
+		map_page_into_agp(pages[i]);
+#endif
+	return 0;
+}
+
+static int set_pages_array_uc(struct page **pages, int addrinarray)
+{
+#ifdef TTM_HAS_AGP
+	int i;
+
+	for (i = 0; i < addrinarray; i++)
+		map_page_into_agp(pages[i]);
+#endif
+	return 0;
+}
+#endif
+
+/**
+ * Select the right pool or requested caching state and ttm flags. */
+static struct ttm_page_pool *ttm_get_pool(int flags,
+		enum ttm_caching_state cstate)
+{
+	int pool_index;
+
+	if (cstate == tt_cached)
+		return NULL;
+
+	if (cstate == tt_wc)
+		pool_index = 0x0;
+	else
+		pool_index = 0x1;
+
+	if (flags & TTM_PAGE_FLAG_DMA32)
+		pool_index |= 0x2;
+
+	return &_manager.pools[pool_index];
+}
+
+/* set memory back to wb and free the pages. */
+static void ttm_pages_put(struct page *pages[], unsigned npages)
+{
+	unsigned i;
+	if (set_pages_array_wb(pages, npages))
+		printk(KERN_ERR "[ttm] Failed to set %d pages to wb!\n",
+				npages);
+	for (i = 0; i < npages; ++i)
+		__free_page(pages[i]);
+}
+
+static void ttm_pool_update_free_locked(struct ttm_page_pool *pool,
+		unsigned freed_pages)
+{
+	pool->npages -= freed_pages;
+}
+
+/**
+ * Free pages from pool.
+ *
+ * To prevent hogging the ttm_swap process we only free NUM_PAGES_TO_ALLOC
+ * number of pages in one go.
+ *
+ * @pool: to free the pages from
+ * @free_all: If set to true will free all pages in pool
+ **/
+static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free)
+{
+	unsigned long irq_flags;
+	struct page *p;
+	struct page **pages_to_free;
+	unsigned freed_pages = 0,
+		 npages_to_free = nr_free;
+
+	if (NUM_PAGES_TO_ALLOC < nr_free)
+		npages_to_free = NUM_PAGES_TO_ALLOC;
+
+	pages_to_free = kmalloc(npages_to_free * sizeof(struct page *),
+			GFP_KERNEL);
+	if (!pages_to_free) {
+		printk(KERN_ERR "Failed to allocate memory for pool free operation.\n");
+		return 0;
+	}
+
+restart:
+	spin_lock_irqsave(&pool->lock, irq_flags);
+
+	list_for_each_entry_reverse(p, &pool->list, lru) {
+		if (freed_pages >= npages_to_free)
+			break;
+
+		pages_to_free[freed_pages++] = p;
+		/* We can only remove NUM_PAGES_TO_ALLOC at a time. */
+		if (freed_pages >= NUM_PAGES_TO_ALLOC) {
+			/* remove range of pages from the pool */
+			__list_del(p->lru.prev, &pool->list);
+
+			ttm_pool_update_free_locked(pool, freed_pages);
+			/**
+			 * Because changing page caching is costly
+			 * we unlock the pool to prevent stalling.
+			 */
+			spin_unlock_irqrestore(&pool->lock, irq_flags);
+
+			ttm_pages_put(pages_to_free, freed_pages);
+			if (likely(nr_free != FREE_ALL_PAGES))
+				nr_free -= freed_pages;
+
+			if (NUM_PAGES_TO_ALLOC >= nr_free)
+				npages_to_free = nr_free;
+			else
+				npages_to_free = NUM_PAGES_TO_ALLOC;
+
+			freed_pages = 0;
+
+			/* free all so restart the processing */
+			if (nr_free)
+				goto restart;
+
+			/* Not allowed to fall tough or break because
+			 * following context is inside spinlock while we are
+			 * outside here.
+			 */
+			goto out;
+
+		}
+	}
+
+
+	/* remove range of pages from the pool */
+	if (freed_pages) {
+		__list_del(&p->lru, &pool->list);
+
+		ttm_pool_update_free_locked(pool, freed_pages);
+		nr_free -= freed_pages;
+	}
+
+	spin_unlock_irqrestore(&pool->lock, irq_flags);
+
+	if (freed_pages)
+		ttm_pages_put(pages_to_free, freed_pages);
+out:
+	kfree(pages_to_free);
+	return nr_free;
+}
+
+/* Get good estimation how many pages are free in pools */
+static int ttm_pool_get_num_unused_pages(void)
+{
+	unsigned i;
+	int total = 0;
+	for (i = 0; i < NUM_POOLS; ++i)
+		total += _manager.pools[i].npages;
+
+	return total;
+}
+
+/**
+ * Calback for mm to request pool to reduce number of page held.
+ */
+static int ttm_pool_mm_shrink(int shrink_pages, gfp_t gfp_mask)
+{
+	static atomic_t start_pool = ATOMIC_INIT(0);
+	unsigned i;
+	unsigned pool_offset = atomic_add_return(1, &start_pool);
+	struct ttm_page_pool *pool;
+
+	pool_offset = pool_offset % NUM_POOLS;
+	/* select start pool in round robin fashion */
+	for (i = 0; i < NUM_POOLS; ++i) {
+		unsigned nr_free = shrink_pages;
+		if (shrink_pages == 0)
+			break;
+		pool = &_manager.pools[(i + pool_offset)%NUM_POOLS];
+		shrink_pages = ttm_page_pool_free(pool, nr_free);
+	}
+	/* return estimated number of unused pages in pool */
+	return ttm_pool_get_num_unused_pages();
+}
+
+static void ttm_pool_mm_shrink_init(struct ttm_pool_manager *manager)
+{
+	manager->mm_shrink.shrink = &ttm_pool_mm_shrink;
+	manager->mm_shrink.seeks = 1;
+	register_shrinker(&manager->mm_shrink);
+}
+
+static void ttm_pool_mm_shrink_fini(struct ttm_pool_manager *manager)
+{
+	unregister_shrinker(&manager->mm_shrink);
+}
+
+static int ttm_set_pages_caching(struct page **pages,
+		enum ttm_caching_state cstate, unsigned cpages)
+{
+	int r = 0;
+	/* Set page caching */
+	switch (cstate) {
+	case tt_uncached:
+		r = set_pages_array_uc(pages, cpages);
+		if (r)
+			printk(KERN_ERR "[ttm] Failed to set %d pages to uc!\n",
+					cpages);
+		break;
+	case tt_wc:
+		r = set_pages_array_wc(pages, cpages);
+		if (r)
+			printk(KERN_ERR "[ttm] Failed to set %d pages to wc!\n",
+					cpages);
+		break;
+	default:
+		break;
+	}
+	return r;
+}
+
+/**
+ * Free pages the pages that failed to change the caching state. If there is
+ * any pages that have changed their caching state already put them to the
+ * pool.
+ */
+static void ttm_handle_caching_state_failure(struct list_head *pages,
+		int ttm_flags, enum ttm_caching_state cstate,
+		struct page **failed_pages, unsigned cpages)
+{
+	unsigned i;
+	/* Failed pages has to be reed */
+	for (i = 0; i < cpages; ++i) {
+		list_del(&failed_pages[i]->lru);
+		__free_page(failed_pages[i]);
+	}
+}
+
+/**
+ * Allocate new pages with correct caching.
+ *
+ * This function is reentrant if caller updates count depending on number of
+ * pages returned in pages array.
+ */
+static int ttm_alloc_new_pages(struct list_head *pages, int gfp_flags,
+		int ttm_flags, enum ttm_caching_state cstate, unsigned count)
+{
+	struct page **caching_array;
+	struct page *p;
+	int r = 0;
+	unsigned i, cpages;
+	unsigned max_cpages = min(count,
+			(unsigned)(PAGE_SIZE/sizeof(struct page *)));
+
+	/* allocate array for page caching change */
+	caching_array = kmalloc(max_cpages*sizeof(struct page *), GFP_KERNEL);
+
+	if (!caching_array) {
+		printk(KERN_ERR "[ttm] unable to allocate table for new pages.");
+		return -ENOMEM;
+	}
+
+	for (i = 0, cpages = 0; i < count; ++i) {
+		p = alloc_page(gfp_flags);
+
+		if (!p) {
+			printk(KERN_ERR "[ttm] unable to get page %u\n", i);
+
+			/* store already allocated pages in the pool after
+			 * setting the caching state */
+			if (cpages) {
+				r = ttm_set_pages_caching(caching_array, cstate, cpages);
+				if (r)
+					ttm_handle_caching_state_failure(pages,
+						ttm_flags, cstate,
+						caching_array, cpages);
+			}
+			r = -ENOMEM;
+			goto out;
+		}
+
+#ifdef CONFIG_HIGHMEM
+		/* gfp flags of highmem page should never be dma32 so we
+		 * we should be fine in such case
+		 */
+		if (!PageHighMem(p))
+#endif
+		{
+			caching_array[cpages++] = p;
+			if (cpages == max_cpages) {
+
+				r = ttm_set_pages_caching(caching_array,
+						cstate, cpages);
+				if (r) {
+					ttm_handle_caching_state_failure(pages,
+						ttm_flags, cstate,
+						caching_array, cpages);
+					goto out;
+				}
+				cpages = 0;
+			}
+		}
+
+		list_add(&p->lru, pages);
+	}
+
+	if (cpages) {
+		r = ttm_set_pages_caching(caching_array, cstate, cpages);
+		if (r)
+			ttm_handle_caching_state_failure(pages,
+					ttm_flags, cstate,
+					caching_array, cpages);
+	}
+out:
+	kfree(caching_array);
+
+	return r;
+}
+
+/**
+ * Fill the given pool if there isn't enough pages and requested number of
+ * pages is small.
+ */
+static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,
+		int ttm_flags, enum ttm_caching_state cstate, unsigned count,
+		unsigned long *irq_flags)
+{
+	struct page *p;
+	int r;
+	unsigned cpages = 0;
+	/**
+	 * Only allow one pool fill operation at a time.
+	 * If pool doesn't have enough pages for the allocation new pages are
+	 * allocated from outside of pool.
+	 */
+	if (pool->fill_lock)
+		return;
+
+	pool->fill_lock = true;
+
+	/* If allocation request is small and there is not enough
+	 * pages in pool we fill the pool first */
+	if (count < _manager.options.small
+		&& count > pool->npages) {
+		struct list_head new_pages;
+		unsigned alloc_size = _manager.options.alloc_size;
+
+		/**
+		 * Can't change page caching if in irqsave context. We have to
+		 * drop the pool->lock.
+		 */
+		spin_unlock_irqrestore(&pool->lock, *irq_flags);
+
+		INIT_LIST_HEAD(&new_pages);
+		r = ttm_alloc_new_pages(&new_pages, pool->gfp_flags, ttm_flags,
+				cstate,	alloc_size);
+		spin_lock_irqsave(&pool->lock, *irq_flags);
+
+		if (!r) {
+			list_splice(&new_pages, &pool->list);
+			pool->npages += alloc_size;
+		} else {
+			printk(KERN_ERR "[ttm] Failed to fill pool (%p).", pool);
+			/* If we have any pages left put them to the pool. */
+			list_for_each_entry(p, &pool->list, lru) {
+				++cpages;
+			}
+			list_splice(&new_pages, &pool->list);
+			pool->npages += cpages;
+		}
+
+	}
+	pool->fill_lock = false;
+}
+
+/**
+ * Cut count nubmer of pages from the pool and put them to return list
+ *
+ * @return count of pages still to allocate to fill the request.
+ */
+static unsigned ttm_page_pool_get_pages(struct ttm_page_pool *pool,
+		struct list_head *pages, int ttm_flags,
+		enum ttm_caching_state cstate, unsigned count)
+{
+	unsigned long irq_flags;
+	struct list_head *p;
+	unsigned i;
+
+	spin_lock_irqsave(&pool->lock, irq_flags);
+	ttm_page_pool_fill_locked(pool, ttm_flags, cstate, count, &irq_flags);
+
+	if (count >= pool->npages) {
+		/* take all pages from the pool */
+		list_splice_init(&pool->list, pages);
+		count -= pool->npages;
+		pool->npages = 0;
+		goto out;
+	}
+	/* find the last pages to include for requested number of pages. Split
+	 * pool to begin and halves to reduce search space. */
+	if (count <= pool->npages/2) {
+		i = 0;
+		list_for_each(p, &pool->list) {
+			if (++i == count)
+				break;
+		}
+	} else {
+		i = pool->npages + 1;
+		list_for_each_prev(p, &pool->list) {
+			if (--i == count)
+				break;
+		}
+	}
+	/* Cut count number of pages from pool */
+	list_cut_position(pages, &pool->list, p);
+	pool->npages -= count;
+	count = 0;
+out:
+	spin_unlock_irqrestore(&pool->lock, irq_flags);
+	return count;
+}
+
+/*
+ * On success pages list will hold count number of correctly
+ * cached pages.
+ */
+int ttm_get_pages(struct list_head *pages, int flags,
+		enum ttm_caching_state cstate, unsigned count)
+{
+	struct ttm_page_pool *pool = ttm_get_pool(flags, cstate);
+	struct page *p = NULL;
+	int gfp_flags = 0;
+	int r;
+
+	/* set zero flag for page allocation if required */
+	if (flags & TTM_PAGE_FLAG_ZERO_ALLOC)
+		gfp_flags |= __GFP_ZERO;
+
+	/* No pool for cached pages */
+	if (pool == NULL) {
+		if (flags & TTM_PAGE_FLAG_DMA32)
+			gfp_flags |= GFP_DMA32;
+		else
+			gfp_flags |= __GFP_HIGHMEM;
+
+		for (r = 0; r < count; ++r) {
+			p = alloc_page(gfp_flags);
+			if (!p) {
+
+				printk(KERN_ERR "[ttm] unable to allocate page.");
+				return -ENOMEM;
+			}
+
+			list_add(&p->lru, pages);
+		}
+		return 0;
+	}
+
+
+	/* combine zero flag to pool flags */
+	gfp_flags |= pool->gfp_flags;
+
+	/* First we take pages from the pool */
+	count = ttm_page_pool_get_pages(pool, pages, flags, cstate, count);
+
+	/* clear the pages coming from the pool if requested */
+	if (flags & TTM_PAGE_FLAG_ZERO_ALLOC) {
+		list_for_each_entry(p, pages, lru) {
+			clear_page(page_address(p));
+		}
+	}
+
+	/* If pool didn't have enough pages allocate new one. */
+	if (count > 0) {
+		/* ttm_alloc_new_pages doesn't reference pool so we can run
+		 * multiple requests in parallel.
+		 **/
+		r = ttm_alloc_new_pages(pages, gfp_flags, flags, cstate, count);
+		if (r) {
+			/* If there is any pages in the list put them back to
+			 * the pool. */
+			printk(KERN_ERR "[ttm] Failed to allocate extra pages "
+					"for large request.");
+			ttm_put_pages(pages, 0, flags, cstate);
+			return r;
+		}
+	}
+
+
+	return 0;
+}
+
+/* Put all pages in pages list to correct pool to wait for reuse */
+void ttm_put_pages(struct list_head *pages, unsigned page_count, int flags,
+		enum ttm_caching_state cstate)
+{
+	unsigned long irq_flags;
+	struct ttm_page_pool *pool = ttm_get_pool(flags, cstate);
+	struct page *p, *tmp;
+
+	if (pool == NULL) {
+		/* No pool for this memory type so free the pages */
+
+		list_for_each_entry_safe(p, tmp, pages, lru) {
+			__free_page(p);
+		}
+		/* Make the pages list empty */
+		INIT_LIST_HEAD(pages);
+		return;
+	}
+	if (page_count == 0) {
+		list_for_each_entry_safe(p, tmp, pages, lru) {
+			++page_count;
+		}
+	}
+
+	spin_lock_irqsave(&pool->lock, irq_flags);
+	list_splice_init(pages, &pool->list);
+	pool->npages += page_count;
+	/* Check that we don't go over the pool limit */
+	page_count = 0;
+	if (pool->npages > _manager.options.max_size) {
+		page_count = pool->npages - _manager.options.max_size;
+		/* free at least NUM_PAGES_TO_ALLOC number of pages
+		 * to reduce calls to set_memory_wb */
+		if (page_count < NUM_PAGES_TO_ALLOC)
+			page_count = NUM_PAGES_TO_ALLOC;
+	}
+	spin_unlock_irqrestore(&pool->lock, irq_flags);
+	if (page_count)
+		ttm_page_pool_free(pool, page_count);
+}
+
+static void ttm_page_pool_init_locked(struct ttm_page_pool *pool, int flags)
+{
+	spin_lock_init(&pool->lock);
+	pool->fill_lock = false;
+	INIT_LIST_HEAD(&pool->list);
+	pool->npages = 0;
+	pool->gfp_flags = flags;
+}
+
+int ttm_page_alloc_init(unsigned max_pages)
+{
+	if (atomic_add_return(1, &_manager.page_alloc_inited) > 1)
+		return 0;
+
+	printk(KERN_INFO "[ttm] Initializing pool allocator.\n");
+
+	ttm_page_pool_init_locked(&_manager.wc_pool, GFP_HIGHUSER);
+
+	ttm_page_pool_init_locked(&_manager.uc_pool, GFP_HIGHUSER);
+
+	ttm_page_pool_init_locked(&_manager.wc_pool_dma32, GFP_USER | GFP_DMA32);
+
+	ttm_page_pool_init_locked(&_manager.uc_pool_dma32, GFP_USER | GFP_DMA32);
+
+	_manager.options.max_size = max_pages;
+	_manager.options.small = SMALL_ALLOCATION;
+	_manager.options.alloc_size = NUM_PAGES_TO_ALLOC;
+
+	ttm_pool_mm_shrink_init(&_manager);
+
+	return 0;
+}
+
+void ttm_page_alloc_fini()
+{
+	int i;
+
+	if (atomic_sub_return(1, &_manager.page_alloc_inited) > 0)
+		return;
+
+	printk(KERN_INFO "[ttm] Finilizing pool allocator.\n");
+	ttm_pool_mm_shrink_fini(&_manager);
+
+	for (i = 0; i < NUM_POOLS; ++i)
+		ttm_page_pool_free(&_manager.pools[i], FREE_ALL_PAGES);
+}
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index bab6cd8d8a1..a3269ef831c 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -38,6 +38,7 @@
 #include "ttm/ttm_module.h"
 #include "ttm/ttm_bo_driver.h"
 #include "ttm/ttm_placement.h"
+#include "ttm/ttm_page_alloc.h"
 
 static int ttm_tt_swapin(struct ttm_tt *ttm);
 
@@ -55,21 +56,6 @@ static void ttm_tt_free_page_directory(struct ttm_tt *ttm)
 	ttm->pages = NULL;
 }
 
-static struct page *ttm_tt_alloc_page(unsigned page_flags)
-{
-	gfp_t gfp_flags = GFP_USER;
-
-	if (page_flags & TTM_PAGE_FLAG_ZERO_ALLOC)
-		gfp_flags |= __GFP_ZERO;
-
-	if (page_flags & TTM_PAGE_FLAG_DMA32)
-		gfp_flags |= __GFP_DMA32;
-	else
-		gfp_flags |= __GFP_HIGHMEM;
-
-	return alloc_page(gfp_flags);
-}
-
 static void ttm_tt_free_user_pages(struct ttm_tt *ttm)
 {
 	int write;
@@ -110,15 +96,21 @@ static void ttm_tt_free_user_pages(struct ttm_tt *ttm)
 static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index)
 {
 	struct page *p;
+	struct list_head h;
 	struct ttm_mem_global *mem_glob = ttm->glob->mem_glob;
 	int ret;
 
 	while (NULL == (p = ttm->pages[index])) {
-		p = ttm_tt_alloc_page(ttm->page_flags);
 
-		if (!p)
+		INIT_LIST_HEAD(&h);
+
+		ret = ttm_get_pages(&h, ttm->page_flags, ttm->caching_state, 1);
+
+		if (ret != 0)
 			return NULL;
 
+		p = list_first_entry(&h, struct page, lru);
+
 		ret = ttm_mem_global_alloc_page(mem_glob, p, false, false);
 		if (unlikely(ret != 0))
 			goto out_err;
@@ -227,10 +219,10 @@ static int ttm_tt_set_caching(struct ttm_tt *ttm,
 	if (ttm->caching_state == c_state)
 		return 0;
 
-	if (c_state != tt_cached) {
-		ret = ttm_tt_populate(ttm);
-		if (unlikely(ret != 0))
-			return ret;
+	if (ttm->state == tt_unpopulated) {
+		/* Change caching but don't populate */
+		ttm->caching_state = c_state;
+		return 0;
 	}
 
 	if (ttm->caching_state == tt_cached)
@@ -281,13 +273,17 @@ EXPORT_SYMBOL(ttm_tt_set_placement_caching);
 static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm)
 {
 	int i;
+	unsigned count = 0;
+	struct list_head h;
 	struct page *cur_page;
 	struct ttm_backend *be = ttm->be;
 
+	INIT_LIST_HEAD(&h);
+
 	if (be)
 		be->func->clear(be);
-	(void)ttm_tt_set_caching(ttm, tt_cached);
 	for (i = 0; i < ttm->num_pages; ++i) {
+
 		cur_page = ttm->pages[i];
 		ttm->pages[i] = NULL;
 		if (cur_page) {
@@ -297,9 +293,11 @@ static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm)
 				       "Leaking pages.\n");
 			ttm_mem_global_free_page(ttm->glob->mem_glob,
 						 cur_page);
-			__free_page(cur_page);
+			list_add(&cur_page->lru, &h);
+			count++;
 		}
 	}
+	ttm_put_pages(&h, count, ttm->page_flags, ttm->caching_state);
 	ttm->state = tt_unpopulated;
 	ttm->first_himem_page = ttm->num_pages;
 	ttm->last_lomem_page = -1;
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
new file mode 100644
index 00000000000..043d817b816
--- /dev/null
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) Red Hat Inc.
+
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ *          Jerome Glisse <jglisse@redhat.com>
+ */
+#ifndef TTM_PAGE_ALLOC
+#define TTM_PAGE_ALLOC
+
+#include "ttm_bo_driver.h"
+#include "ttm_memory.h"
+
+/**
+ * Get count number of pages from pool to pages list.
+ *
+ * @pages: heado of empty linked list where pages are filled.
+ * @flags: ttm flags for page allocation.
+ * @cstate: ttm caching state for the page.
+ * @count: number of pages to allocate.
+ */
+int ttm_get_pages(struct list_head *pages,
+		  int flags,
+		  enum ttm_caching_state cstate,
+		  unsigned count);
+/**
+ * Put linked list of pages to pool.
+ *
+ * @pages: list of pages to free.
+ * @page_count: number of pages in the list. Zero can be passed for unknown
+ * count.
+ * @flags: ttm flags for page allocation.
+ * @cstate: ttm caching state.
+ */
+void ttm_put_pages(struct list_head *pages,
+		   unsigned page_count,
+		   int flags,
+		   enum ttm_caching_state cstate);
+/**
+ * Initialize pool allocator.
+ *
+ * Pool allocator is internaly reference counted so it can be initialized
+ * multiple times but ttm_page_alloc_fini has to be called same number of
+ * times.
+ */
+int ttm_page_alloc_init(unsigned max_pages);
+/**
+ * Free pool allocator.
+ */
+void ttm_page_alloc_fini(void);
+
+#endif

From 0745866165598b067442c472911280527b08be3e Mon Sep 17 00:00:00 2001
From: Pauli Nieminen <suokkos@gmail.com>
Date: Thu, 1 Apr 2010 12:44:58 +0000
Subject: [PATCH 0187/3638] drm/ttm: Add debugfs output entry to pool
 allocator.

ttm_page_alloc_debugfs can be registered to output the state
of pools.

Debugfs file will output number of pages freed from the pool,
number of pages in pool now and the lowes number of pages in
pool since previous shrink.

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_page_alloc.c | 45 +++++++++++++++++++++++-----
 include/drm/ttm/ttm_page_alloc.h     |  4 +++
 2 files changed, 42 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index f46e40be079..f82bf805903 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -34,6 +34,7 @@
 #include <linux/spinlock.h>
 #include <linux/highmem.h>
 #include <linux/mm_types.h>
+#include <linux/module.h>
 #include <linux/mm.h>
 
 #include <asm/atomic.h>
@@ -66,6 +67,9 @@ struct ttm_page_pool {
 	struct list_head	list;
 	int			gfp_flags;
 	unsigned		npages;
+	char			*name;
+	unsigned long		nfrees;
+	unsigned long		nrefills;
 };
 
 struct ttm_pool_opts {
@@ -190,6 +194,7 @@ static void ttm_pool_update_free_locked(struct ttm_page_pool *pool,
 		unsigned freed_pages)
 {
 	pool->npages -= freed_pages;
+	pool->nfrees += freed_pages;
 }
 
 /**
@@ -263,7 +268,6 @@ restart:
 		}
 	}
 
-
 	/* remove range of pages from the pool */
 	if (freed_pages) {
 		__list_del(&p->lru, &pool->list);
@@ -490,6 +494,7 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,
 
 		if (!r) {
 			list_splice(&new_pages, &pool->list);
+			++pool->nrefills;
 			pool->npages += alloc_size;
 		} else {
 			printk(KERN_ERR "[ttm] Failed to fill pool (%p).", pool);
@@ -663,13 +668,15 @@ void ttm_put_pages(struct list_head *pages, unsigned page_count, int flags,
 		ttm_page_pool_free(pool, page_count);
 }
 
-static void ttm_page_pool_init_locked(struct ttm_page_pool *pool, int flags)
+static void ttm_page_pool_init_locked(struct ttm_page_pool *pool, int flags,
+		char *name)
 {
 	spin_lock_init(&pool->lock);
 	pool->fill_lock = false;
 	INIT_LIST_HEAD(&pool->list);
-	pool->npages = 0;
+	pool->npages = pool->nfrees = 0;
 	pool->gfp_flags = flags;
+	pool->name = name;
 }
 
 int ttm_page_alloc_init(unsigned max_pages)
@@ -679,13 +686,15 @@ int ttm_page_alloc_init(unsigned max_pages)
 
 	printk(KERN_INFO "[ttm] Initializing pool allocator.\n");
 
-	ttm_page_pool_init_locked(&_manager.wc_pool, GFP_HIGHUSER);
+	ttm_page_pool_init_locked(&_manager.wc_pool, GFP_HIGHUSER, "wc");
 
-	ttm_page_pool_init_locked(&_manager.uc_pool, GFP_HIGHUSER);
+	ttm_page_pool_init_locked(&_manager.uc_pool, GFP_HIGHUSER, "uc");
 
-	ttm_page_pool_init_locked(&_manager.wc_pool_dma32, GFP_USER | GFP_DMA32);
+	ttm_page_pool_init_locked(&_manager.wc_pool_dma32, GFP_USER | GFP_DMA32,
+			"wc dma");
 
-	ttm_page_pool_init_locked(&_manager.uc_pool_dma32, GFP_USER | GFP_DMA32);
+	ttm_page_pool_init_locked(&_manager.uc_pool_dma32, GFP_USER | GFP_DMA32,
+			"uc dma");
 
 	_manager.options.max_size = max_pages;
 	_manager.options.small = SMALL_ALLOCATION;
@@ -709,3 +718,25 @@ void ttm_page_alloc_fini()
 	for (i = 0; i < NUM_POOLS; ++i)
 		ttm_page_pool_free(&_manager.pools[i], FREE_ALL_PAGES);
 }
+
+int ttm_page_alloc_debugfs(struct seq_file *m, void *data)
+{
+	struct ttm_page_pool *p;
+	unsigned i;
+	char *h[] = {"pool", "refills", "pages freed", "size"};
+	if (atomic_read(&_manager.page_alloc_inited) == 0) {
+		seq_printf(m, "No pool allocator running.\n");
+		return 0;
+	}
+	seq_printf(m, "%6s %12s %13s %8s\n",
+			h[0], h[1], h[2], h[3]);
+	for (i = 0; i < NUM_POOLS; ++i) {
+		p = &_manager.pools[i];
+
+		seq_printf(m, "%6s %12ld %13ld %8d\n",
+				p->name, p->nrefills,
+				p->nfrees, p->npages);
+	}
+	return 0;
+}
+EXPORT_SYMBOL(ttm_page_alloc_debugfs);
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 043d817b816..8b091c309df 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -67,4 +67,8 @@ int ttm_page_alloc_init(unsigned max_pages);
  */
 void ttm_page_alloc_fini(void);
 
+/**
+ * Output the state of pools to debugfs file
+ */
+extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
 #endif

From 8d7cddcd7f9e847cec44851ca53fd3e81e846c49 Mon Sep 17 00:00:00 2001
From: Pauli Nieminen <suokkos@gmail.com>
Date: Thu, 1 Apr 2010 12:44:59 +0000
Subject: [PATCH 0188/3638] drm/radeon/kms: Add ttm page pool debugfs file.

ttm_page_pool file is hooked ttm_page_alloc_debugfs for pool
allocator state.

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_ttm.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 43c5ab34b63..fc787e8fa73 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -33,6 +33,7 @@
 #include <ttm/ttm_bo_driver.h>
 #include <ttm/ttm_placement.h>
 #include <ttm/ttm_module.h>
+#include <ttm/ttm_page_alloc.h>
 #include <drm/drmP.h>
 #include <drm/radeon_drm.h>
 #include <linux/seq_file.h>
@@ -744,8 +745,8 @@ static int radeon_mm_dump_table(struct seq_file *m, void *data)
 static int radeon_ttm_debugfs_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES];
-	static char radeon_mem_types_names[RADEON_DEBUGFS_MEM_TYPES][32];
+	static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES+1];
+	static char radeon_mem_types_names[RADEON_DEBUGFS_MEM_TYPES+1][32];
 	unsigned i;
 
 	for (i = 0; i < RADEON_DEBUGFS_MEM_TYPES; i++) {
@@ -762,7 +763,13 @@ static int radeon_ttm_debugfs_init(struct radeon_device *rdev)
 			radeon_mem_types_list[i].data = &rdev->mman.bdev.man[TTM_PL_TT].manager;
 
 	}
-	return radeon_debugfs_add_files(rdev, radeon_mem_types_list, RADEON_DEBUGFS_MEM_TYPES);
+	/* Add ttm page pool to debugfs */
+	sprintf(radeon_mem_types_names[i], "ttm_page_pool");
+	radeon_mem_types_list[i].name = radeon_mem_types_names[i];
+	radeon_mem_types_list[i].show = &ttm_page_alloc_debugfs;
+	radeon_mem_types_list[i].driver_features = 0;
+	radeon_mem_types_list[i].data = NULL;
+	return radeon_debugfs_add_files(rdev, radeon_mem_types_list, RADEON_DEBUGFS_MEM_TYPES+1);
 
 #endif
 	return 0;

From bf62acdef89cb5b294668a6a747f7411dfe2ea7d Mon Sep 17 00:00:00 2001
From: Pauli Nieminen <suokkos@gmail.com>
Date: Thu, 1 Apr 2010 12:45:00 +0000
Subject: [PATCH 0189/3638] drm/nouveau: Add ttm page pool debugfs file.

ttm_page_pool file is hooked ttm_page_alloc_debugfs for pool
allocator state.

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_debugfs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 8ff9ef5d4b4..59416c80436 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -33,6 +33,8 @@
 #include "drmP.h"
 #include "nouveau_drv.h"
 
+#include <ttm/ttm_page_alloc.h>
+
 static int
 nouveau_debugfs_channel_info(struct seq_file *m, void *data)
 {
@@ -160,6 +162,7 @@ static struct drm_info_list nouveau_debugfs_list[] = {
 	{ "chipset", nouveau_debugfs_chipset_info, 0, NULL },
 	{ "memory", nouveau_debugfs_memory_info, 0, NULL },
 	{ "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },
+	{ "ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL },
 };
 #define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)
 

From 4f64625412be120cef9e9b97e88c406ec2c78027 Mon Sep 17 00:00:00 2001
From: Pauli Nieminen <suokkos@gmail.com>
Date: Thu, 1 Apr 2010 12:45:01 +0000
Subject: [PATCH 0190/3638] arch/x86: Add array variants for setting memory to
 wc caching.

Setting single memory pages at a time to wc takes a lot time in cache flush. To
reduce number of cache flush set_pages_array_wc and set_memory_array_wc can be
used to set multiple pages to WC with single cache flush.

This improves allocation performance for wc cached pages in drm/ttm.

CC: Suresh Siddha <suresh.b.siddha@intel.com>
CC: Venkatesh Pallipadi <venkatesh.pallipadi@gmail.com>
Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 arch/x86/include/asm/cacheflush.h |  2 ++
 arch/x86/mm/pageattr.c            | 53 ++++++++++++++++++++++++++-----
 2 files changed, 47 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index 634c40a739a..d92d63a6286 100644
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -139,9 +139,11 @@ int set_memory_np(unsigned long addr, int numpages);
 int set_memory_4k(unsigned long addr, int numpages);
 
 int set_memory_array_uc(unsigned long *addr, int addrinarray);
+int set_memory_array_wc(unsigned long *addr, int addrinarray);
 int set_memory_array_wb(unsigned long *addr, int addrinarray);
 
 int set_pages_array_uc(struct page **pages, int addrinarray);
+int set_pages_array_wc(struct page **pages, int addrinarray);
 int set_pages_array_wb(struct page **pages, int addrinarray);
 
 /*
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index cf07c26d9a4..0c98a7583bf 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -997,7 +997,8 @@ out_err:
 }
 EXPORT_SYMBOL(set_memory_uc);
 
-int set_memory_array_uc(unsigned long *addr, int addrinarray)
+int _set_memory_array(unsigned long *addr, int addrinarray,
+		unsigned long new_type)
 {
 	int i, j;
 	int ret;
@@ -1007,13 +1008,19 @@ int set_memory_array_uc(unsigned long *addr, int addrinarray)
 	 */
 	for (i = 0; i < addrinarray; i++) {
 		ret = reserve_memtype(__pa(addr[i]), __pa(addr[i]) + PAGE_SIZE,
-					_PAGE_CACHE_UC_MINUS, NULL);
+					new_type, NULL);
 		if (ret)
 			goto out_free;
 	}
 
 	ret = change_page_attr_set(addr, addrinarray,
 				    __pgprot(_PAGE_CACHE_UC_MINUS), 1);
+
+	if (!ret && new_type == _PAGE_CACHE_WC)
+		ret = change_page_attr_set_clr(addr, addrinarray,
+					       __pgprot(_PAGE_CACHE_WC),
+					       __pgprot(_PAGE_CACHE_MASK),
+					       0, CPA_ARRAY, NULL);
 	if (ret)
 		goto out_free;
 
@@ -1025,8 +1032,19 @@ out_free:
 
 	return ret;
 }
+
+int set_memory_array_uc(unsigned long *addr, int addrinarray)
+{
+	return _set_memory_array(addr, addrinarray, _PAGE_CACHE_UC_MINUS);
+}
 EXPORT_SYMBOL(set_memory_array_uc);
 
+int set_memory_array_wc(unsigned long *addr, int addrinarray)
+{
+	return _set_memory_array(addr, addrinarray, _PAGE_CACHE_WC);
+}
+EXPORT_SYMBOL(set_memory_array_wc);
+
 int _set_memory_wc(unsigned long addr, int numpages)
 {
 	int ret;
@@ -1153,26 +1171,34 @@ int set_pages_uc(struct page *page, int numpages)
 }
 EXPORT_SYMBOL(set_pages_uc);
 
-int set_pages_array_uc(struct page **pages, int addrinarray)
+static int _set_pages_array(struct page **pages, int addrinarray,
+		unsigned long new_type)
 {
 	unsigned long start;
 	unsigned long end;
 	int i;
 	int free_idx;
+	int ret;
 
 	for (i = 0; i < addrinarray; i++) {
 		if (PageHighMem(pages[i]))
 			continue;
 		start = page_to_pfn(pages[i]) << PAGE_SHIFT;
 		end = start + PAGE_SIZE;
-		if (reserve_memtype(start, end, _PAGE_CACHE_UC_MINUS, NULL))
+		if (reserve_memtype(start, end, new_type, NULL))
 			goto err_out;
 	}
 
-	if (cpa_set_pages_array(pages, addrinarray,
-			__pgprot(_PAGE_CACHE_UC_MINUS)) == 0) {
-		return 0; /* Success */
-	}
+	ret = cpa_set_pages_array(pages, addrinarray,
+			__pgprot(_PAGE_CACHE_UC_MINUS));
+	if (!ret && new_type == _PAGE_CACHE_WC)
+		ret = change_page_attr_set_clr(NULL, addrinarray,
+					       __pgprot(_PAGE_CACHE_WC),
+					       __pgprot(_PAGE_CACHE_MASK),
+					       0, CPA_PAGES_ARRAY, pages);
+	if (ret)
+		goto err_out;
+	return 0; /* Success */
 err_out:
 	free_idx = i;
 	for (i = 0; i < free_idx; i++) {
@@ -1184,8 +1210,19 @@ err_out:
 	}
 	return -EINVAL;
 }
+
+int set_pages_array_uc(struct page **pages, int addrinarray)
+{
+	return _set_pages_array(pages, addrinarray, _PAGE_CACHE_UC_MINUS);
+}
 EXPORT_SYMBOL(set_pages_array_uc);
 
+int set_pages_array_wc(struct page **pages, int addrinarray)
+{
+	return _set_pages_array(pages, addrinarray, _PAGE_CACHE_WC);
+}
+EXPORT_SYMBOL(set_pages_array_wc);
+
 int set_pages_wb(struct page *page, int numpages)
 {
 	unsigned long addr = (unsigned long)page_address(page);

From 975efdb1bf925ad48d4e3fe5339a85f12601e10d Mon Sep 17 00:00:00 2001
From: Pauli Nieminen <suokkos@gmail.com>
Date: Thu, 1 Apr 2010 12:45:02 +0000
Subject: [PATCH 0191/3638] drm/ttm: Use set_pages_array_wc instead of
 set_memory_wc.

Using single call to set multiple pages to wc reduces number of expensive cache
flushes.

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_page_alloc.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index f82bf805903..57799dba35e 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -113,17 +113,7 @@ static struct ttm_pool_manager _manager = {
 	.page_alloc_inited	= ATOMIC_INIT(0)
 };
 
-#ifdef CONFIG_X86
-/* TODO: add this to x86 like _uc, this version here is inefficient */
-static int set_pages_array_wc(struct page **pages, int addrinarray)
-{
-	int i;
-
-	for (i = 0; i < addrinarray; i++)
-		set_memory_wc((unsigned long)page_address(pages[i]), 1);
-	return 0;
-}
-#else
+#ifndef CONFIG_X86
 static int set_pages_array_wb(struct page **pages, int addrinarray)
 {
 #ifdef TTM_HAS_AGP

From c96af79e3463d5d3f865625baa8bb8aa4c0944a0 Mon Sep 17 00:00:00 2001
From: Pauli Nieminen <suokkos@gmail.com>
Date: Thu, 1 Apr 2010 12:45:03 +0000
Subject: [PATCH 0192/3638] drm/ttm: Add sysfs interface to control pool
 allocator.

Sysfs interface allows user to configure pool allocator functionality and
change limits for the size of pool.

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_memory.c     |   2 +-
 drivers/gpu/drm/ttm/ttm_page_alloc.c | 113 ++++++++++++++++++++++++++-
 include/drm/ttm/ttm_page_alloc.h     |   2 +-
 3 files changed, 114 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index daff8a87977..5e3f177323c 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -393,7 +393,7 @@ int ttm_mem_global_init(struct ttm_mem_global *glob)
 		       "Zone %7s: Available graphics memory: %llu kiB.\n",
 		       zone->name, (unsigned long long) zone->max_mem >> 10);
 	}
-	ttm_page_alloc_init(glob->zone_kernel->max_mem/(2*PAGE_SIZE));
+	ttm_page_alloc_init(glob, glob->zone_kernel->max_mem/(2*PAGE_SIZE));
 	return 0;
 out_no_zone:
 	ttm_mem_global_release(glob);
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 57799dba35e..6ca9b27e33d 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -72,6 +72,12 @@ struct ttm_page_pool {
 	unsigned long		nrefills;
 };
 
+/**
+ * Limits for the pool. They are handled without locks because only place where
+ * they may change is in sysfs store. They won't have immediate effect anyway
+ * so forcing serialiazation to access them is pointless.
+ */
+
 struct ttm_pool_opts {
 	unsigned	alloc_size;
 	unsigned	max_size;
@@ -94,6 +100,7 @@ struct ttm_pool_opts {
  * @pools: All pool objects in use.
  **/
 struct ttm_pool_manager {
+	struct kobject		kobj;
 	struct shrinker		mm_shrink;
 	atomic_t		page_alloc_inited;
 	struct ttm_pool_opts	options;
@@ -109,6 +116,100 @@ struct ttm_pool_manager {
 	};
 };
 
+static struct attribute ttm_page_pool_max = {
+	.name = "pool_max_size",
+	.mode = S_IRUGO | S_IWUSR
+};
+static struct attribute ttm_page_pool_small = {
+	.name = "pool_small_allocation",
+	.mode = S_IRUGO | S_IWUSR
+};
+static struct attribute ttm_page_pool_alloc_size = {
+	.name = "pool_allocation_size",
+	.mode = S_IRUGO | S_IWUSR
+};
+
+static struct attribute *ttm_pool_attrs[] = {
+	&ttm_page_pool_max,
+	&ttm_page_pool_small,
+	&ttm_page_pool_alloc_size,
+	NULL
+};
+
+static void ttm_pool_kobj_release(struct kobject *kobj)
+{
+	struct ttm_pool_manager *m =
+		container_of(kobj, struct ttm_pool_manager, kobj);
+	(void)m;
+}
+
+static ssize_t ttm_pool_store(struct kobject *kobj,
+		struct attribute *attr, const char *buffer, size_t size)
+{
+	struct ttm_pool_manager *m =
+		container_of(kobj, struct ttm_pool_manager, kobj);
+	int chars;
+	unsigned val;
+	chars = sscanf(buffer, "%u", &val);
+	if (chars == 0)
+		return size;
+
+	/* Convert kb to number of pages */
+	val = val / (PAGE_SIZE >> 10);
+
+	if (attr == &ttm_page_pool_max)
+		m->options.max_size = val;
+	else if (attr == &ttm_page_pool_small)
+		m->options.small = val;
+	else if (attr == &ttm_page_pool_alloc_size) {
+		if (val > NUM_PAGES_TO_ALLOC*8) {
+			printk(KERN_ERR "[ttm] Setting allocation size to %lu "
+					"is not allowed. Recomended size is "
+					"%lu\n",
+					NUM_PAGES_TO_ALLOC*(PAGE_SIZE >> 7),
+					NUM_PAGES_TO_ALLOC*(PAGE_SIZE >> 10));
+			return size;
+		} else if (val > NUM_PAGES_TO_ALLOC) {
+			printk(KERN_WARNING "[ttm] Setting allocation size to "
+					"larger than %lu is not recomended.\n",
+					NUM_PAGES_TO_ALLOC*(PAGE_SIZE >> 10));
+		}
+		m->options.alloc_size = val;
+	}
+
+	return size;
+}
+
+static ssize_t ttm_pool_show(struct kobject *kobj,
+		struct attribute *attr, char *buffer)
+{
+	struct ttm_pool_manager *m =
+		container_of(kobj, struct ttm_pool_manager, kobj);
+	unsigned val = 0;
+
+	if (attr == &ttm_page_pool_max)
+		val = m->options.max_size;
+	else if (attr == &ttm_page_pool_small)
+		val = m->options.small;
+	else if (attr == &ttm_page_pool_alloc_size)
+		val = m->options.alloc_size;
+
+	val = val * (PAGE_SIZE >> 10);
+
+	return snprintf(buffer, PAGE_SIZE, "%u\n", val);
+}
+
+static const struct sysfs_ops ttm_pool_sysfs_ops = {
+	.show = &ttm_pool_show,
+	.store = &ttm_pool_store,
+};
+
+static struct kobj_type ttm_pool_kobj_type = {
+	.release = &ttm_pool_kobj_release,
+	.sysfs_ops = &ttm_pool_sysfs_ops,
+	.default_attrs = ttm_pool_attrs,
+};
+
 static struct ttm_pool_manager _manager = {
 	.page_alloc_inited	= ATOMIC_INIT(0)
 };
@@ -669,8 +770,9 @@ static void ttm_page_pool_init_locked(struct ttm_page_pool *pool, int flags,
 	pool->name = name;
 }
 
-int ttm_page_alloc_init(unsigned max_pages)
+int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages)
 {
+	int ret;
 	if (atomic_add_return(1, &_manager.page_alloc_inited) > 1)
 		return 0;
 
@@ -690,6 +792,13 @@ int ttm_page_alloc_init(unsigned max_pages)
 	_manager.options.small = SMALL_ALLOCATION;
 	_manager.options.alloc_size = NUM_PAGES_TO_ALLOC;
 
+	kobject_init(&_manager.kobj, &ttm_pool_kobj_type);
+	ret = kobject_add(&_manager.kobj, &glob->kobj, "pool");
+	if (unlikely(ret != 0)) {
+		kobject_put(&_manager.kobj);
+		return ret;
+	}
+
 	ttm_pool_mm_shrink_init(&_manager);
 
 	return 0;
@@ -707,6 +816,8 @@ void ttm_page_alloc_fini()
 
 	for (i = 0; i < NUM_POOLS; ++i)
 		ttm_page_pool_free(&_manager.pools[i], FREE_ALL_PAGES);
+
+	kobject_put(&_manager.kobj);
 }
 
 int ttm_page_alloc_debugfs(struct seq_file *m, void *data)
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 8b091c309df..8bb4de567b2 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -61,7 +61,7 @@ void ttm_put_pages(struct list_head *pages,
  * multiple times but ttm_page_alloc_fini has to be called same number of
  * times.
  */
-int ttm_page_alloc_init(unsigned max_pages);
+int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
 /**
  * Free pool allocator.
  */

From 31373d09da5b7fe21fe6f781e92bd534a3495f00 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Tue, 6 Apr 2010 14:25:14 +0200
Subject: [PATCH 0193/3638] laptop-mode: Make flushes per-device

One of the features of laptop-mode is that it forces a writeout of dirty
pages if something else triggers a physical read or write from a device.
The current implementation flushes pages on all devices, rather than only
the one that triggered the flush. This patch alters the behaviour so that
only the recently accessed block device is flushed, preventing other
disks being spun up for no terribly good reason.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-core.c            |  5 ++++-
 include/linux/backing-dev.h |  3 +++
 include/linux/writeback.h   |  4 +++-
 mm/page-writeback.c         | 39 +++++++++++++++++++------------------
 4 files changed, 30 insertions(+), 21 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 1d94f15d7f0..4b1b29ef2cb 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -451,6 +451,7 @@ void blk_cleanup_queue(struct request_queue *q)
 	 */
 	blk_sync_queue(q);
 
+	del_timer_sync(&q->backing_dev_info.laptop_mode_wb_timer);
 	mutex_lock(&q->sysfs_lock);
 	queue_flag_set_unlocked(QUEUE_FLAG_DEAD, q);
 	mutex_unlock(&q->sysfs_lock);
@@ -511,6 +512,8 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 		return NULL;
 	}
 
+	setup_timer(&q->backing_dev_info.laptop_mode_wb_timer,
+		    laptop_mode_timer_fn, (unsigned long) q);
 	init_timer(&q->unplug_timer);
 	setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q);
 	INIT_LIST_HEAD(&q->timeout_list);
@@ -2101,7 +2104,7 @@ static void blk_finish_request(struct request *req, int error)
 	BUG_ON(blk_queued_rq(req));
 
 	if (unlikely(laptop_mode) && blk_fs_request(req))
-		laptop_io_completion();
+		laptop_io_completion(&req->q->backing_dev_info);
 
 	blk_delete_timer(req);
 
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index fcbc26af00e..2742e1adfc3 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/fs.h>
 #include <linux/sched.h>
+#include <linux/timer.h>
 #include <linux/writeback.h>
 #include <asm/atomic.h>
 
@@ -88,6 +89,8 @@ struct backing_dev_info {
 
 	struct device *dev;
 
+	struct timer_list laptop_mode_wb_timer;
+
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debug_dir;
 	struct dentry *debug_stats;
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 36520ded3e0..eb38a2c645f 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -96,8 +96,10 @@ static inline void inode_sync_wait(struct inode *inode)
 /*
  * mm/page-writeback.c
  */
-void laptop_io_completion(void);
+void laptop_io_completion(struct backing_dev_info *info);
 void laptop_sync_completion(void);
+void laptop_mode_sync(struct work_struct *work);
+void laptop_mode_timer_fn(unsigned long data);
 void throttle_vm_writeout(gfp_t gfp_mask);
 
 /* These are exported to sysctl. */
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 0b19943ecf8..d0f2b3765f8 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -683,10 +683,6 @@ void throttle_vm_writeout(gfp_t gfp_mask)
         }
 }
 
-static void laptop_timer_fn(unsigned long unused);
-
-static DEFINE_TIMER(laptop_mode_wb_timer, laptop_timer_fn, 0, 0);
-
 /*
  * sysctl handler for /proc/sys/vm/dirty_writeback_centisecs
  */
@@ -697,21 +693,19 @@ int dirty_writeback_centisecs_handler(ctl_table *table, int write,
 	return 0;
 }
 
-static void do_laptop_sync(struct work_struct *work)
+void laptop_mode_timer_fn(unsigned long data)
 {
-	wakeup_flusher_threads(0);
-	kfree(work);
-}
+	struct request_queue *q = (struct request_queue *)data;
+	int nr_pages = global_page_state(NR_FILE_DIRTY) +
+		global_page_state(NR_UNSTABLE_NFS);
 
-static void laptop_timer_fn(unsigned long unused)
-{
-	struct work_struct *work;
+	/*
+	 * We want to write everything out, not just down to the dirty
+	 * threshold
+	 */
 
-	work = kmalloc(sizeof(*work), GFP_ATOMIC);
-	if (work) {
-		INIT_WORK(work, do_laptop_sync);
-		schedule_work(work);
-	}
+	if (bdi_has_dirty_io(&q->backing_dev_info))
+		bdi_start_writeback(&q->backing_dev_info, NULL, nr_pages);
 }
 
 /*
@@ -719,9 +713,9 @@ static void laptop_timer_fn(unsigned long unused)
  * of all dirty data a few seconds from now.  If the flush is already scheduled
  * then push it back - the user is still using the disk.
  */
-void laptop_io_completion(void)
+void laptop_io_completion(struct backing_dev_info *info)
 {
-	mod_timer(&laptop_mode_wb_timer, jiffies + laptop_mode);
+	mod_timer(&info->laptop_mode_wb_timer, jiffies + laptop_mode);
 }
 
 /*
@@ -731,7 +725,14 @@ void laptop_io_completion(void)
  */
 void laptop_sync_completion(void)
 {
-	del_timer(&laptop_mode_wb_timer);
+	struct backing_dev_info *bdi;
+
+	rcu_read_lock();
+
+	list_for_each_entry_rcu(bdi, &bdi_list, bdi_list)
+		del_timer(&bdi->laptop_mode_wb_timer);
+
+	rcu_read_unlock();
 }
 
 /*

From a009d29ea104c1bd8805a20018469897c2c2263c Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 1 Apr 2010 12:27:44 +0200
Subject: [PATCH 0194/3638] ds2782_battery: Fix clientdata on removal

Probably due to a copy & paste bug, clientdata was set again to the data
structure (which is freed immediately afterwards) when it should be
NULLed. Just remove the calls as the i2c-core does this automatically
now.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Ryan Mallon <ryan@bluewatersys.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/ds2782_battery.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c
index da14f374cb6..305d463a880 100644
--- a/drivers/power/ds2782_battery.c
+++ b/drivers/power/ds2782_battery.c
@@ -236,8 +236,6 @@ static int ds2782_battery_remove(struct i2c_client *client)
 	idr_remove(&battery_id, info->id);
 	mutex_unlock(&battery_lock);
 
-	i2c_set_clientdata(client, info);
-
 	kfree(info);
 	return 0;
 }
@@ -289,7 +287,6 @@ static int ds2782_battery_probe(struct i2c_client *client,
 fail_register:
 	kfree(info->battery.name);
 fail_name:
-	i2c_set_clientdata(client, info);
 	kfree(info);
 fail_info:
 	mutex_lock(&battery_lock);

From e3e8d1c93f9e6b766424b05f23f2416f22a0329d Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut@gmail.com>
Date: Sun, 28 Feb 2010 12:47:49 +0100
Subject: [PATCH 0195/3638] Driver for Zipit Z2 battery chip

This patch adds driver for Zipit Z2 battery chip called AER915. No
details are known about the chip. The chip is available through I2C bus
at address 0x55 and it's register 0x02 contains battery voltage.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/Kconfig      |   6 +
 drivers/power/Makefile     |   1 +
 drivers/power/z2_battery.c | 328 +++++++++++++++++++++++++++++++++++++
 include/linux/z2_battery.h |  17 ++
 4 files changed, 352 insertions(+)
 create mode 100644 drivers/power/z2_battery.c
 create mode 100644 include/linux/z2_battery.h

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index faaa9b4d0d0..22f2fa91212 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -125,6 +125,12 @@ config BATTERY_MAX17040
 	  in handheld and portable equipment. The MAX17040 is configured
 	  to operate with a single lithium cell
 
+config BATTERY_Z2
+	tristate "Z2 battery driver"
+	depends on I2C && MACH_ZIPIT2
+	help
+	  Say Y to include support for the battery on the Zipit Z2.
+
 config CHARGER_PCF50633
 	tristate "NXP PCF50633 MBC"
 	depends on MFD_PCF50633
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index a2ba7c85c97..a82f292e5c9 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -31,4 +31,5 @@ obj-$(CONFIG_BATTERY_WM97XX)	+= wm97xx_battery.o
 obj-$(CONFIG_BATTERY_BQ27x00)	+= bq27x00_battery.o
 obj-$(CONFIG_BATTERY_DA9030)	+= da9030_battery.o
 obj-$(CONFIG_BATTERY_MAX17040)	+= max17040_battery.o
+obj-$(CONFIG_BATTERY_Z2)	+= z2_battery.o
 obj-$(CONFIG_CHARGER_PCF50633)	+= pcf50633-charger.o
diff --git a/drivers/power/z2_battery.c b/drivers/power/z2_battery.c
new file mode 100644
index 00000000000..9cca465436e
--- /dev/null
+++ b/drivers/power/z2_battery.c
@@ -0,0 +1,328 @@
+/*
+ * Battery measurement code for Zipit Z2
+ *
+ * Copyright (C) 2009 Peter Edwards <sweetlilmre@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/i2c.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <asm/irq.h>
+#include <asm/mach/irq.h>
+#include <linux/z2_battery.h>
+
+#define	Z2_DEFAULT_NAME	"Z2"
+
+struct z2_charger {
+	struct z2_battery_info	*info;
+	int			bat_status;
+	struct i2c_client	*client;
+	struct power_supply	batt_ps;
+	struct mutex		work_lock;
+	struct work_struct	bat_work;
+};
+
+static unsigned long z2_read_bat(struct z2_charger *charger)
+{
+	int data;
+	data = i2c_smbus_read_byte_data(charger->client,
+					charger->info->batt_I2C_reg);
+	if (data < 0)
+		return 0;
+
+	return data * charger->info->batt_mult / charger->info->batt_div;
+}
+
+static int z2_batt_get_property(struct power_supply *batt_ps,
+			    enum power_supply_property psp,
+			    union power_supply_propval *val)
+{
+	struct z2_charger *charger = container_of(batt_ps, struct z2_charger,
+						batt_ps);
+	struct z2_battery_info *info = charger->info;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_STATUS:
+		val->intval = charger->bat_status;
+		break;
+	case POWER_SUPPLY_PROP_TECHNOLOGY:
+		val->intval = info->batt_tech;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		if (info->batt_I2C_reg >= 0)
+			val->intval = z2_read_bat(charger);
+		else
+			return -EINVAL;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
+		if (info->max_voltage >= 0)
+			val->intval = info->max_voltage;
+		else
+			return -EINVAL;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_MIN:
+		if (info->min_voltage >= 0)
+			val->intval = info->min_voltage;
+		else
+			return -EINVAL;
+		break;
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void z2_batt_ext_power_changed(struct power_supply *batt_ps)
+{
+	struct z2_charger *charger = container_of(batt_ps, struct z2_charger,
+						batt_ps);
+	schedule_work(&charger->bat_work);
+}
+
+static void z2_batt_update(struct z2_charger *charger)
+{
+	int old_status = charger->bat_status;
+	struct z2_battery_info *info;
+
+	info = charger->info;
+
+	mutex_lock(&charger->work_lock);
+
+	charger->bat_status = (info->charge_gpio >= 0) ?
+		(gpio_get_value(info->charge_gpio) ?
+		POWER_SUPPLY_STATUS_CHARGING :
+		POWER_SUPPLY_STATUS_DISCHARGING) :
+		POWER_SUPPLY_STATUS_UNKNOWN;
+
+	if (old_status != charger->bat_status) {
+		pr_debug("%s: %i -> %i\n", charger->batt_ps.name, old_status,
+			charger->bat_status);
+		power_supply_changed(&charger->batt_ps);
+	}
+
+	mutex_unlock(&charger->work_lock);
+}
+
+static void z2_batt_work(struct work_struct *work)
+{
+	struct z2_charger *charger;
+	charger = container_of(work, struct z2_charger, bat_work);
+	z2_batt_update(charger);
+}
+
+static irqreturn_t z2_charge_switch_irq(int irq, void *devid)
+{
+	struct z2_charger *charger = devid;
+	schedule_work(&charger->bat_work);
+	return IRQ_HANDLED;
+}
+
+static int z2_batt_ps_init(struct z2_charger *charger, int props)
+{
+	int i = 0;
+	enum power_supply_property *prop;
+	struct z2_battery_info *info = charger->info;
+
+	if (info->batt_tech >= 0)
+		props++;	/* POWER_SUPPLY_PROP_TECHNOLOGY */
+	if (info->batt_I2C_reg >= 0)
+		props++;	/* POWER_SUPPLY_PROP_VOLTAGE_NOW */
+	if (info->max_voltage >= 0)
+		props++;	/* POWER_SUPPLY_PROP_VOLTAGE_MAX */
+	if (info->min_voltage >= 0)
+		props++;	/* POWER_SUPPLY_PROP_VOLTAGE_MIN */
+
+	prop = kzalloc(props * sizeof(*prop), GFP_KERNEL);
+	if (!prop)
+		return -ENOMEM;
+
+	prop[i++] = POWER_SUPPLY_PROP_PRESENT;
+	if (info->charge_gpio >= 0)
+		prop[i++] = POWER_SUPPLY_PROP_STATUS;
+	if (info->batt_tech >= 0)
+		prop[i++] = POWER_SUPPLY_PROP_TECHNOLOGY;
+	if (info->batt_I2C_reg >= 0)
+		prop[i++] = POWER_SUPPLY_PROP_VOLTAGE_NOW;
+	if (info->max_voltage >= 0)
+		prop[i++] = POWER_SUPPLY_PROP_VOLTAGE_MAX;
+	if (info->min_voltage >= 0)
+		prop[i++] = POWER_SUPPLY_PROP_VOLTAGE_MIN;
+
+	if (!info->batt_name) {
+		dev_info(&charger->client->dev,
+				"Please consider setting proper battery "
+				"name in platform definition file, falling "
+				"back to name \" Z2_DEFAULT_NAME \"\n");
+		charger->batt_ps.name = Z2_DEFAULT_NAME;
+	} else
+		charger->batt_ps.name = info->batt_name;
+
+	charger->batt_ps.properties		= prop;
+	charger->batt_ps.num_properties		= props;
+	charger->batt_ps.type			= POWER_SUPPLY_TYPE_BATTERY;
+	charger->batt_ps.get_property		= z2_batt_get_property;
+	charger->batt_ps.external_power_changed	= z2_batt_ext_power_changed;
+	charger->batt_ps.use_for_apm		= 1;
+
+	return 0;
+}
+
+static int __devinit z2_batt_probe(struct i2c_client *client,
+				const struct i2c_device_id *id)
+{
+	int ret = 0;
+	int props = 1;	/* POWER_SUPPLY_PROP_PRESENT */
+	struct z2_charger *charger;
+	struct z2_battery_info *info = client->dev.platform_data;
+
+	if (info == NULL) {
+		dev_err(&client->dev,
+			"Please set platform device platform_data"
+			" to a valid z2_battery_info pointer!\n");
+		return -EINVAL;
+	}
+
+	charger = kzalloc(sizeof(*charger), GFP_KERNEL);
+	if (charger == NULL)
+		return -ENOMEM;
+
+	charger->bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
+	charger->info = info;
+	charger->client = client;
+	i2c_set_clientdata(client, charger);
+
+	mutex_init(&charger->work_lock);
+
+	if (info->charge_gpio >= 0 && gpio_is_valid(info->charge_gpio)) {
+		ret = gpio_request(info->charge_gpio, "BATT CHRG");
+		if (ret)
+			goto err;
+
+		ret = gpio_direction_input(info->charge_gpio);
+		if (ret)
+			goto err2;
+
+		set_irq_type(gpio_to_irq(info->charge_gpio),
+				IRQ_TYPE_EDGE_BOTH);
+		ret = request_irq(gpio_to_irq(info->charge_gpio),
+				z2_charge_switch_irq, IRQF_DISABLED,
+				"AC Detect", charger);
+		if (ret)
+			goto err3;
+	}
+
+	ret = z2_batt_ps_init(charger, props);
+	if (ret)
+		goto err3;
+
+	INIT_WORK(&charger->bat_work, z2_batt_work);
+
+	ret = power_supply_register(&client->dev, &charger->batt_ps);
+	if (ret)
+		goto err4;
+
+	schedule_work(&charger->bat_work);
+
+	return 0;
+
+err4:
+	kfree(charger->batt_ps.properties);
+err3:
+	if (info->charge_gpio >= 0 && gpio_is_valid(info->charge_gpio))
+		free_irq(gpio_to_irq(info->charge_gpio), charger);
+err2:
+	if (info->charge_gpio >= 0 && gpio_is_valid(info->charge_gpio))
+		gpio_free(info->charge_gpio);
+err:
+	kfree(charger);
+	return ret;
+}
+
+static int __devexit z2_batt_remove(struct i2c_client *client)
+{
+	struct z2_charger *charger = i2c_get_clientdata(client);
+	struct z2_battery_info *info = charger->info;
+
+	flush_scheduled_work();
+	power_supply_unregister(&charger->batt_ps);
+
+	kfree(charger->batt_ps.properties);
+	if (info->charge_gpio >= 0 && gpio_is_valid(info->charge_gpio)) {
+		free_irq(gpio_to_irq(info->charge_gpio), charger);
+		gpio_free(info->charge_gpio);
+	}
+
+	kfree(charger);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int z2_batt_suspend(struct i2c_client *client, pm_message_t state)
+{
+	flush_scheduled_work();
+	return 0;
+}
+
+static int z2_batt_resume(struct i2c_client *client)
+{
+	struct z2_charger *charger = i2c_get_clientdata(client);
+
+	schedule_work(&charger->bat_work);
+	return 0;
+}
+#else
+#define z2_batt_suspend NULL
+#define z2_batt_resume NULL
+#endif
+
+static const struct i2c_device_id z2_batt_id[] = {
+	{ "aer915", 0 },
+	{ }
+};
+
+static struct i2c_driver z2_batt_driver = {
+	.driver	= {
+		.name	= "z2-battery",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= z2_batt_probe,
+	.remove		= z2_batt_remove,
+	.suspend	= z2_batt_suspend,
+	.resume		= z2_batt_resume,
+	.id_table	= z2_batt_id,
+};
+
+static int __init z2_batt_init(void)
+{
+	return i2c_add_driver(&z2_batt_driver);
+}
+
+static void __exit z2_batt_exit(void)
+{
+	i2c_del_driver(&z2_batt_driver);
+}
+
+module_init(z2_batt_init);
+module_exit(z2_batt_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Peter Edwards <sweetlilmre@gmail.com>");
+MODULE_DESCRIPTION("Zipit Z2 battery driver");
diff --git a/include/linux/z2_battery.h b/include/linux/z2_battery.h
new file mode 100644
index 00000000000..7b9750404d2
--- /dev/null
+++ b/include/linux/z2_battery.h
@@ -0,0 +1,17 @@
+#ifndef _LINUX_Z2_BATTERY_H
+#define _LINUX_Z2_BATTERY_H
+
+struct z2_battery_info {
+	int	 batt_I2C_bus;
+	int	 batt_I2C_addr;
+	int	 batt_I2C_reg;
+	int	 charge_gpio;
+	int	 min_voltage;
+	int	 max_voltage;
+	int	 batt_div;
+	int	 batt_mult;
+	int	 batt_tech;
+	char	*batt_name;
+};
+
+#endif

From b5874f33bbaf00586d05de37706491ee37057e11 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 10 Mar 2010 18:27:40 +0000
Subject: [PATCH 0196/3638] wm831x_power: Use genirq

Since the WM831x core has been converted to use genirq for the
interrupt controller there is no longer any need for chip specific
wrappers for IRQ operations. Convert to use genirq directly.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/wm831x_power.c | 33 ++++++++++++++++-----------------
 1 file changed, 16 insertions(+), 17 deletions(-)

diff --git a/drivers/power/wm831x_power.c b/drivers/power/wm831x_power.c
index f85e80b1b40..bf2ff413247 100644
--- a/drivers/power/wm831x_power.c
+++ b/drivers/power/wm831x_power.c
@@ -536,9 +536,9 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
 		goto err_battery;
 
 	irq = platform_get_irq_byname(pdev, "SYSLO");
-	ret = wm831x_request_irq(wm831x, irq, wm831x_syslo_irq,
-				 IRQF_TRIGGER_RISING, "SYSLO",
-				 power);
+	ret = request_threaded_irq(irq, NULL, wm831x_syslo_irq,
+				   IRQF_TRIGGER_RISING, "System power low",
+				   power);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request SYSLO IRQ %d: %d\n",
 			irq, ret);
@@ -546,9 +546,9 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
 	}
 
 	irq = platform_get_irq_byname(pdev, "PWR SRC");
-	ret = wm831x_request_irq(wm831x, irq, wm831x_pwr_src_irq,
-				 IRQF_TRIGGER_RISING, "Power source",
-				 power);
+	ret = request_threaded_irq(irq, NULL, wm831x_pwr_src_irq,
+				   IRQF_TRIGGER_RISING, "Power source",
+				   power);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request PWR SRC IRQ %d: %d\n",
 			irq, ret);
@@ -557,10 +557,10 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
 
 	for (i = 0; i < ARRAY_SIZE(wm831x_bat_irqs); i++) {
 		irq = platform_get_irq_byname(pdev, wm831x_bat_irqs[i]);
-		ret = wm831x_request_irq(wm831x, irq, wm831x_bat_irq,
-					 IRQF_TRIGGER_RISING,
-					 wm831x_bat_irqs[i],
-					 power);
+		ret = request_threaded_irq(irq, NULL, wm831x_bat_irq,
+					   IRQF_TRIGGER_RISING,
+					   wm831x_bat_irqs[i],
+					   power);
 		if (ret != 0) {
 			dev_err(&pdev->dev,
 				"Failed to request %s IRQ %d: %d\n",
@@ -574,13 +574,13 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
 err_bat_irq:
 	for (; i >= 0; i--) {
 		irq = platform_get_irq_byname(pdev, wm831x_bat_irqs[i]);
-		wm831x_free_irq(wm831x, irq, power);
+		free_irq(irq, power);
 	}
 	irq = platform_get_irq_byname(pdev, "PWR SRC");
-	wm831x_free_irq(wm831x, irq, power);
+	free_irq(irq, power);
 err_syslo:
 	irq = platform_get_irq_byname(pdev, "SYSLO");
-	wm831x_free_irq(wm831x, irq, power);
+	free_irq(irq, power);
 err_usb:
 	power_supply_unregister(usb);
 err_battery:
@@ -595,19 +595,18 @@ err_kmalloc:
 static __devexit int wm831x_power_remove(struct platform_device *pdev)
 {
 	struct wm831x_power *wm831x_power = platform_get_drvdata(pdev);
-	struct wm831x *wm831x = wm831x_power->wm831x;
 	int irq, i;
 
 	for (i = 0; i < ARRAY_SIZE(wm831x_bat_irqs); i++) {
 		irq = platform_get_irq_byname(pdev, wm831x_bat_irqs[i]);
-		wm831x_free_irq(wm831x, irq, wm831x_power);
+		free_irq(irq, wm831x_power);
 	}
 
 	irq = platform_get_irq_byname(pdev, "PWR SRC");
-	wm831x_free_irq(wm831x, irq, wm831x_power);
+	free_irq(irq, wm831x_power);
 
 	irq = platform_get_irq_byname(pdev, "SYSLO");
-	wm831x_free_irq(wm831x, irq, wm831x_power);
+	free_irq(irq, wm831x_power);
 
 	power_supply_unregister(&wm831x_power->battery);
 	power_supply_unregister(&wm831x_power->wall);

From a244b25217978ffd54d2cd87013b3cd564689462 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Wed, 7 Apr 2010 10:08:49 +1000
Subject: [PATCH 0197/3638] Remove unused HDPU driver

This driver seems to be specific to a "Sky CPU" board for which we
don't appear to have upstream support (or not any more). No Kconfig
file in the kernel ever enables it. So remove it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/misc/Makefile                 |   1 -
 drivers/misc/hdpuftrs/Makefile        |   1 -
 drivers/misc/hdpuftrs/hdpu_cpustate.c | 256 --------------------------
 drivers/misc/hdpuftrs/hdpu_nexus.c    | 149 ---------------
 include/linux/hdpu_features.h         |  26 ---
 5 files changed, 433 deletions(-)
 delete mode 100644 drivers/misc/hdpuftrs/Makefile
 delete mode 100644 drivers/misc/hdpuftrs/hdpu_cpustate.c
 delete mode 100644 drivers/misc/hdpuftrs/hdpu_nexus.c
 delete mode 100644 include/linux/hdpu_features.h

diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 27c48435541..208ae3091a4 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -3,7 +3,6 @@
 #
 
 obj-$(CONFIG_IBM_ASM)		+= ibmasm/
-obj-$(CONFIG_HDPU_FEATURES)	+= hdpuftrs/
 obj-$(CONFIG_AD525X_DPOT)	+= ad525x_dpot.o
 obj-$(CONFIG_ATMEL_PWM)		+= atmel_pwm.o
 obj-$(CONFIG_ATMEL_SSC)		+= atmel-ssc.o
diff --git a/drivers/misc/hdpuftrs/Makefile b/drivers/misc/hdpuftrs/Makefile
deleted file mode 100644
index ac74ae67923..00000000000
--- a/drivers/misc/hdpuftrs/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_HDPU_FEATURES) := hdpu_cpustate.o hdpu_nexus.o
diff --git a/drivers/misc/hdpuftrs/hdpu_cpustate.c b/drivers/misc/hdpuftrs/hdpu_cpustate.c
deleted file mode 100644
index 176fe4e09d3..00000000000
--- a/drivers/misc/hdpuftrs/hdpu_cpustate.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- *	Sky CPU State Driver
- *
- *	Copyright (C) 2002 Brian Waite
- *
- *	This driver allows use of the CPU state bits
- *	It exports the /dev/sky_cpustate and also
- *	/proc/sky_cpustate pseudo-file for status information.
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License
- *	as published by the Free Software Foundation; either version
- *	2 of the License, or (at your option) any later version.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
-#include <linux/smp_lock.h>
-#include <linux/miscdevice.h>
-#include <linux/proc_fs.h>
-#include <linux/hdpu_features.h>
-#include <linux/platform_device.h>
-#include <asm/uaccess.h>
-#include <linux/seq_file.h>
-#include <asm/io.h>
-
-#define SKY_CPUSTATE_VERSION		"1.1"
-
-static int hdpu_cpustate_probe(struct platform_device *pdev);
-static int hdpu_cpustate_remove(struct platform_device *pdev);
-
-static unsigned char cpustate_get_state(void);
-static int cpustate_proc_open(struct inode *inode, struct file *file);
-static int cpustate_proc_read(struct seq_file *seq, void *offset);
-
-static struct cpustate_t cpustate;
-
-static const struct file_operations proc_cpustate = {
-	.open = cpustate_proc_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.owner = THIS_MODULE,
-};
-
-static int cpustate_proc_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, cpustate_proc_read, NULL);
-}
-
-static int cpustate_proc_read(struct seq_file *seq, void *offset)
-{
-	seq_printf(seq, "CPU State: %04x\n", cpustate_get_state());
-	return 0;
-}
-
-static int cpustate_get_ref(int excl)
-{
-
-	int retval = -EBUSY;
-
-	spin_lock(&cpustate.lock);
-
-	if (cpustate.excl)
-		goto out_busy;
-
-	if (excl) {
-		if (cpustate.open_count)
-			goto out_busy;
-		cpustate.excl = 1;
-	}
-
-	cpustate.open_count++;
-	retval = 0;
-
-      out_busy:
-	spin_unlock(&cpustate.lock);
-	return retval;
-}
-
-static int cpustate_free_ref(void)
-{
-
-	spin_lock(&cpustate.lock);
-
-	cpustate.excl = 0;
-	cpustate.open_count--;
-
-	spin_unlock(&cpustate.lock);
-	return 0;
-}
-
-static unsigned char cpustate_get_state(void)
-{
-
-	return cpustate.cached_val;
-}
-
-static void cpustate_set_state(unsigned char new_state)
-{
-	unsigned int state = (new_state << 21);
-
-#ifdef DEBUG_CPUSTATE
-	printk("CPUSTATE -> 0x%x\n", new_state);
-#endif
-	spin_lock(&cpustate.lock);
-	cpustate.cached_val = new_state;
-	writel((0xff << 21), cpustate.clr_addr);
-	writel(state, cpustate.set_addr);
-	spin_unlock(&cpustate.lock);
-}
-
-/*
- *	Now all the various file operations that we export.
- */
-
-static ssize_t cpustate_read(struct file *file, char *buf,
-			     size_t count, loff_t * ppos)
-{
-	unsigned char data;
-
-	if (count < 0)
-		return -EFAULT;
-	if (count == 0)
-		return 0;
-
-	data = cpustate_get_state();
-	if (copy_to_user(buf, &data, sizeof(unsigned char)))
-		return -EFAULT;
-	return sizeof(unsigned char);
-}
-
-static ssize_t cpustate_write(struct file *file, const char *buf,
-			      size_t count, loff_t * ppos)
-{
-	unsigned char data;
-
-	if (count < 0)
-		return -EFAULT;
-
-	if (count == 0)
-		return 0;
-
-	if (copy_from_user((unsigned char *)&data, buf, sizeof(unsigned char)))
-		return -EFAULT;
-
-	cpustate_set_state(data);
-	return sizeof(unsigned char);
-}
-
-static int cpustate_open(struct inode *inode, struct file *file)
-{
-	int ret;
-
-	lock_kernel();
-	ret = cpustate_get_ref((file->f_flags & O_EXCL));
-	unlock_kernel();
-
-	return ret;
-}
-
-static int cpustate_release(struct inode *inode, struct file *file)
-{
-	return cpustate_free_ref();
-}
-
-static struct platform_driver hdpu_cpustate_driver = {
-	.probe = hdpu_cpustate_probe,
-	.remove = hdpu_cpustate_remove,
-	.driver = {
-		.name = HDPU_CPUSTATE_NAME,
-		.owner = THIS_MODULE,
-	},
-};
-
-/*
- *	The various file operations we support.
- */
-static const struct file_operations cpustate_fops = {
-      .owner	= THIS_MODULE,
-      .open	= cpustate_open,
-      .release	= cpustate_release,
-      .read	= cpustate_read,
-      .write	= cpustate_write,
-      .llseek	= no_llseek,
-};
-
-static struct miscdevice cpustate_dev = {
-	.minor	= MISC_DYNAMIC_MINOR,
-	.name	= "sky_cpustate",
-	.fops	= &cpustate_fops,
-};
-
-static int hdpu_cpustate_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct proc_dir_entry *proc_de;
-	int ret;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		printk(KERN_ERR "sky_cpustate: "
-		       "Invalid memory resource.\n");
-		return -EINVAL;
-	}
-	cpustate.set_addr = (unsigned long *)res->start;
-	cpustate.clr_addr = (unsigned long *)res->end - 1;
-
-	ret = misc_register(&cpustate_dev);
-	if (ret) {
-		printk(KERN_WARNING "sky_cpustate: "
-		       "Unable to register misc device.\n");
-		cpustate.set_addr = NULL;
-		cpustate.clr_addr = NULL;
-		return ret;
-	}
-
-	proc_de = proc_create("sky_cpustate", 0666, NULL, &proc_cpustate);
-	if (!proc_de) {
-		printk(KERN_WARNING "sky_cpustate: "
-		       "Unable to create proc entry\n");
-	}
-
-	printk(KERN_INFO "Sky CPU State Driver v" SKY_CPUSTATE_VERSION "\n");
-	return 0;
-}
-
-static int hdpu_cpustate_remove(struct platform_device *pdev)
-{
-	cpustate.set_addr = NULL;
-	cpustate.clr_addr = NULL;
-
-	remove_proc_entry("sky_cpustate", NULL);
-	misc_deregister(&cpustate_dev);
-
-	return 0;
-}
-
-static int __init cpustate_init(void)
-{
-	return platform_driver_register(&hdpu_cpustate_driver);
-}
-
-static void __exit cpustate_exit(void)
-{
-	platform_driver_unregister(&hdpu_cpustate_driver);
-}
-
-module_init(cpustate_init);
-module_exit(cpustate_exit);
-
-MODULE_AUTHOR("Brian Waite");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" HDPU_CPUSTATE_NAME);
diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c
deleted file mode 100644
index ce39fa54949..00000000000
--- a/drivers/misc/hdpuftrs/hdpu_nexus.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- *	Sky Nexus Register Driver
- *
- *	Copyright (C) 2002 Brian Waite
- *
- *	This driver allows reading the Nexus register
- *	It exports the /proc/sky_chassis_id and also
- *	/proc/sky_slot_id pseudo-file for status information.
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License
- *	as published by the Free Software Foundation; either version
- *	2 of the License, or (at your option) any later version.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/proc_fs.h>
-#include <linux/hdpu_features.h>
-#include <linux/platform_device.h>
-#include <linux/seq_file.h>
-#include <asm/io.h>
-
-static int hdpu_nexus_probe(struct platform_device *pdev);
-static int hdpu_nexus_remove(struct platform_device *pdev);
-static int hdpu_slot_id_open(struct inode *inode, struct file *file);
-static int hdpu_slot_id_read(struct seq_file *seq, void *offset);
-static int hdpu_chassis_id_open(struct inode *inode, struct file *file);
-static int hdpu_chassis_id_read(struct seq_file *seq, void *offset);
-
-static struct proc_dir_entry *hdpu_slot_id;
-static struct proc_dir_entry *hdpu_chassis_id;
-static int slot_id = -1;
-static int chassis_id = -1;
-
-static const struct file_operations proc_slot_id = {
-	.open = hdpu_slot_id_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.owner = THIS_MODULE,
-};
-
-static const struct file_operations proc_chassis_id = {
-	.open = hdpu_chassis_id_open,
-	.read = seq_read,
-	.llseek	= seq_lseek,
-	.release = single_release,
-	.owner = THIS_MODULE,
-};
-
-static struct platform_driver hdpu_nexus_driver = {
-	.probe = hdpu_nexus_probe,
-	.remove = hdpu_nexus_remove,
-	.driver = {
-		.name = HDPU_NEXUS_NAME,
-		.owner = THIS_MODULE,
-	},
-};
-
-static int hdpu_slot_id_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, hdpu_slot_id_read, NULL);
-}
-
-static int hdpu_slot_id_read(struct seq_file *seq, void *offset)
-{
-	seq_printf(seq, "%d\n", slot_id);
-	return 0;
-}
-
-static int hdpu_chassis_id_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, hdpu_chassis_id_read, NULL);
-}
-
-static int hdpu_chassis_id_read(struct seq_file *seq, void *offset)
-{
-	seq_printf(seq, "%d\n", chassis_id);
-	return 0;
-}
-
-static int hdpu_nexus_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	int *nexus_id_addr;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		printk(KERN_ERR "sky_nexus: "
-		       "Invalid memory resource.\n");
-		return -EINVAL;
-	}
-	nexus_id_addr = ioremap(res->start,
-				(unsigned long)(res->end - res->start));
-	if (nexus_id_addr) {
-		slot_id = (*nexus_id_addr >> 8) & 0x1f;
-		chassis_id = *nexus_id_addr & 0xff;
-		iounmap(nexus_id_addr);
-	} else {
-		printk(KERN_ERR "sky_nexus: Could not map slot id\n");
-	}
-
-	hdpu_slot_id = proc_create("sky_slot_id", 0666, NULL, &proc_slot_id);
-	if (!hdpu_slot_id) {
-		printk(KERN_WARNING "sky_nexus: "
-		       "Unable to create proc dir entry: sky_slot_id\n");
-	}
-
-	hdpu_chassis_id = proc_create("sky_chassis_id", 0666, NULL,
-				      &proc_chassis_id);
-	if (!hdpu_chassis_id)
-		printk(KERN_WARNING "sky_nexus: "
-		       "Unable to create proc dir entry: sky_chassis_id\n");
-
-	return 0;
-}
-
-static int hdpu_nexus_remove(struct platform_device *pdev)
-{
-	slot_id = -1;
-	chassis_id = -1;
-
-	remove_proc_entry("sky_slot_id", NULL);
-	remove_proc_entry("sky_chassis_id", NULL);
-
-	hdpu_slot_id = 0;
-	hdpu_chassis_id = 0;
-
-	return 0;
-}
-
-static int __init nexus_init(void)
-{
-	return platform_driver_register(&hdpu_nexus_driver);
-}
-
-static void __exit nexus_exit(void)
-{
-	platform_driver_unregister(&hdpu_nexus_driver);
-}
-
-module_init(nexus_init);
-module_exit(nexus_exit);
-
-MODULE_AUTHOR("Brian Waite");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" HDPU_NEXUS_NAME);
diff --git a/include/linux/hdpu_features.h b/include/linux/hdpu_features.h
deleted file mode 100644
index 6a8715431ae..00000000000
--- a/include/linux/hdpu_features.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#include <linux/spinlock.h>
-
-struct cpustate_t {
-	spinlock_t lock;
-	int excl;
-        int open_count;
-	unsigned char cached_val;
-	int inited;
-	unsigned long *set_addr;
-	unsigned long *clr_addr;
-};
-
-
-#define HDPU_CPUSTATE_NAME "hdpu cpustate"
-#define HDPU_NEXUS_NAME "hdpu nexus"
-
-#define CPUSTATE_KERNEL_MAJOR  0x10
-
-#define CPUSTATE_KERNEL_INIT_DRV   0 /* CPU State Driver Initialized */
-#define CPUSTATE_KERNEL_INIT_PCI   1 /* 64360 PCI Busses Init */
-#define CPUSTATE_KERNEL_INIT_REG   2 /* 64360 Bridge Init */
-#define CPUSTATE_KERNEL_CPU1_KICK  3 /* Boot cpu 1 */
-#define CPUSTATE_KERNEL_CPU1_OK    4  /* Cpu 1 has checked in */
-#define CPUSTATE_KERNEL_OK         5 /* Terminal state */
-#define CPUSTATE_KERNEL_RESET   14 /* Board reset via SW*/
-#define CPUSTATE_KERNEL_HALT   15 /* Board halted via SW*/

From 386516744ba45d50f42c6999151cc210cb4f96e4 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 30 Mar 2010 05:34:13 +0000
Subject: [PATCH 0198/3638] drm/fb: fix fbdev object model + cleanup properly.

The fbdev layer in the kms code should act like a consumer of the kms services and avoid having relying on information being store in the kms core structures in order for it to work.

This patch

a) removes the info pointer/psuedo palette from the core drm_framebuffer structure and moves it to the fbdev helper layer, it also removes the core drm keeping a list of kernel kms fbdevs.
b) migrated all the fb helper functions out of the crtc helper file into the fb helper file.
c) pushed the fb probing/hotplug control into the driver
d) makes the surface sizes into a structure for ease of passing
This changes the intel/radeon/nouveau drivers to use the new helper.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_crtc.c                |   1 -
 drivers/gpu/drm/drm_crtc_helper.c         | 391 +-----------------
 drivers/gpu/drm/drm_fb_helper.c           | 469 +++++++++++++++++++---
 drivers/gpu/drm/i915/i915_dma.c           |   2 +-
 drivers/gpu/drm/i915/i915_drv.h           |   4 +
 drivers/gpu/drm/i915/intel_display.c      |  37 +-
 drivers/gpu/drm/i915/intel_drv.h          |  13 +-
 drivers/gpu/drm/i915/intel_fb.c           | 177 ++++----
 drivers/gpu/drm/nouveau/nouveau_display.c |  41 +-
 drivers/gpu/drm/nouveau/nouveau_drv.c     |  19 +-
 drivers/gpu/drm/nouveau/nouveau_drv.h     |   4 +-
 drivers/gpu/drm/nouveau/nouveau_fb.h      |   6 +-
 drivers/gpu/drm/nouveau/nouveau_fbcon.c   | 149 ++++---
 drivers/gpu/drm/nouveau/nouveau_fbcon.h   |  15 +-
 drivers/gpu/drm/nouveau/nouveau_irq.c     |  10 +-
 drivers/gpu/drm/nouveau/nouveau_state.c   |   5 +-
 drivers/gpu/drm/radeon/radeon.h           |   3 -
 drivers/gpu/drm/radeon/radeon_device.c    |   9 +-
 drivers/gpu/drm/radeon/radeon_display.c   |  42 +-
 drivers/gpu/drm/radeon/radeon_fb.c        | 220 +++++-----
 drivers/gpu/drm/radeon/radeon_gem.c       |   3 +-
 drivers/gpu/drm/radeon/radeon_irq_kms.c   |   2 +
 drivers/gpu/drm/radeon/radeon_mode.h      |  23 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c       |   6 -
 include/drm/drm_crtc.h                    |  12 -
 include/drm/drm_crtc_helper.h             |   1 -
 include/drm/drm_fb_helper.h               |  24 +-
 27 files changed, 851 insertions(+), 837 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d91fb8c0b7b..6a472d53452 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -857,7 +857,6 @@ void drm_mode_config_init(struct drm_device *dev)
 	mutex_init(&dev->mode_config.mutex);
 	mutex_init(&dev->mode_config.idr_mutex);
 	INIT_LIST_HEAD(&dev->mode_config.fb_list);
-	INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list);
 	INIT_LIST_HEAD(&dev->mode_config.crtc_list);
 	INIT_LIST_HEAD(&dev->mode_config.connector_list);
 	INIT_LIST_HEAD(&dev->mode_config.encoder_list);
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 51103aa469f..9d23f54673d 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -55,7 +55,7 @@ static void drm_mode_validate_flag(struct drm_connector *connector,
 }
 
 /**
- * drm_helper_probe_connector_modes - get complete set of display modes
+ * drm_helper_probe_single_connector_modes - get complete set of display modes
  * @dev: DRM device
  * @maxX: max width for modes
  * @maxY: max height for modes
@@ -154,21 +154,6 @@ prune:
 }
 EXPORT_SYMBOL(drm_helper_probe_single_connector_modes);
 
-int drm_helper_probe_connector_modes(struct drm_device *dev, uint32_t maxX,
-				      uint32_t maxY)
-{
-	struct drm_connector *connector;
-	int count = 0;
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		count += drm_helper_probe_single_connector_modes(connector,
-								 maxX, maxY);
-	}
-
-	return count;
-}
-EXPORT_SYMBOL(drm_helper_probe_connector_modes);
-
 /**
  * drm_helper_encoder_in_use - check if a given encoder is in use
  * @encoder: encoder to check
@@ -263,302 +248,6 @@ void drm_helper_disable_unused_functions(struct drm_device *dev)
 }
 EXPORT_SYMBOL(drm_helper_disable_unused_functions);
 
-static struct drm_display_mode *drm_has_preferred_mode(struct drm_connector *connector, int width, int height)
-{
-	struct drm_display_mode *mode;
-
-	list_for_each_entry(mode, &connector->modes, head) {
-		if (drm_mode_width(mode) > width ||
-		    drm_mode_height(mode) > height)
-			continue;
-		if (mode->type & DRM_MODE_TYPE_PREFERRED)
-			return mode;
-	}
-	return NULL;
-}
-
-static bool drm_has_cmdline_mode(struct drm_connector *connector)
-{
-	struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
-	struct drm_fb_helper_cmdline_mode *cmdline_mode;
-
-	if (!fb_help_conn)
-		return false;
-
-	cmdline_mode = &fb_help_conn->cmdline_mode;
-	return cmdline_mode->specified;
-}
-
-static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_connector *connector, int width, int height)
-{
-	struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
-	struct drm_fb_helper_cmdline_mode *cmdline_mode;
-	struct drm_display_mode *mode = NULL;
-
-	if (!fb_help_conn)
-		return mode;
-
-	cmdline_mode = &fb_help_conn->cmdline_mode;
-	if (cmdline_mode->specified == false)
-		return mode;
-
-	/* attempt to find a matching mode in the list of modes
-	 *  we have gotten so far, if not add a CVT mode that conforms
-	 */
-	if (cmdline_mode->rb || cmdline_mode->margins)
-		goto create_mode;
-
-	list_for_each_entry(mode, &connector->modes, head) {
-		/* check width/height */
-		if (mode->hdisplay != cmdline_mode->xres ||
-		    mode->vdisplay != cmdline_mode->yres)
-			continue;
-
-		if (cmdline_mode->refresh_specified) {
-			if (mode->vrefresh != cmdline_mode->refresh)
-				continue;
-		}
-
-		if (cmdline_mode->interlace) {
-			if (!(mode->flags & DRM_MODE_FLAG_INTERLACE))
-				continue;
-		}
-		return mode;
-	}
-
-create_mode:
-	mode = drm_cvt_mode(connector->dev, cmdline_mode->xres,
-			    cmdline_mode->yres,
-			    cmdline_mode->refresh_specified ? cmdline_mode->refresh : 60,
-			    cmdline_mode->rb, cmdline_mode->interlace,
-			    cmdline_mode->margins);
-	drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
-	list_add(&mode->head, &connector->modes);
-	return mode;
-}
-
-static bool drm_connector_enabled(struct drm_connector *connector, bool strict)
-{
-	bool enable;
-
-	if (strict) {
-		enable = connector->status == connector_status_connected;
-	} else {
-		enable = connector->status != connector_status_disconnected;
-	}
-	return enable;
-}
-
-static void drm_enable_connectors(struct drm_device *dev, bool *enabled)
-{
-	bool any_enabled = false;
-	struct drm_connector *connector;
-	int i = 0;
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		enabled[i] = drm_connector_enabled(connector, true);
-		DRM_DEBUG_KMS("connector %d enabled? %s\n", connector->base.id,
-			  enabled[i] ? "yes" : "no");
-		any_enabled |= enabled[i];
-		i++;
-	}
-
-	if (any_enabled)
-		return;
-
-	i = 0;
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		enabled[i] = drm_connector_enabled(connector, false);
-		i++;
-	}
-}
-
-static bool drm_target_preferred(struct drm_device *dev,
-				 struct drm_display_mode **modes,
-				 bool *enabled, int width, int height)
-{
-	struct drm_connector *connector;
-	int i = 0;
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-
-		if (enabled[i] == false) {
-			i++;
-			continue;
-		}
-
-		DRM_DEBUG_KMS("looking for cmdline mode on connector %d\n",
-			      connector->base.id);
-
-		/* got for command line mode first */
-		modes[i] = drm_pick_cmdline_mode(connector, width, height);
-		if (!modes[i]) {
-			DRM_DEBUG_KMS("looking for preferred mode on connector %d\n",
-				      connector->base.id);
-			modes[i] = drm_has_preferred_mode(connector, width, height);
-		}
-		/* No preferred modes, pick one off the list */
-		if (!modes[i] && !list_empty(&connector->modes)) {
-			list_for_each_entry(modes[i], &connector->modes, head)
-				break;
-		}
-		DRM_DEBUG_KMS("found mode %s\n", modes[i] ? modes[i]->name :
-			  "none");
-		i++;
-	}
-	return true;
-}
-
-static int drm_pick_crtcs(struct drm_device *dev,
-			  struct drm_crtc **best_crtcs,
-			  struct drm_display_mode **modes,
-			  int n, int width, int height)
-{
-	int c, o;
-	struct drm_connector *connector;
-	struct drm_connector_helper_funcs *connector_funcs;
-	struct drm_encoder *encoder;
-	struct drm_crtc *best_crtc;
-	int my_score, best_score, score;
-	struct drm_crtc **crtcs, *crtc;
-
-	if (n == dev->mode_config.num_connector)
-		return 0;
-	c = 0;
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		if (c == n)
-			break;
-		c++;
-	}
-
-	best_crtcs[n] = NULL;
-	best_crtc = NULL;
-	best_score = drm_pick_crtcs(dev, best_crtcs, modes, n+1, width, height);
-	if (modes[n] == NULL)
-		return best_score;
-
-	crtcs = kmalloc(dev->mode_config.num_connector *
-			sizeof(struct drm_crtc *), GFP_KERNEL);
-	if (!crtcs)
-		return best_score;
-
-	my_score = 1;
-	if (connector->status == connector_status_connected)
-		my_score++;
-	if (drm_has_cmdline_mode(connector))
-		my_score++;
-	if (drm_has_preferred_mode(connector, width, height))
-		my_score++;
-
-	connector_funcs = connector->helper_private;
-	encoder = connector_funcs->best_encoder(connector);
-	if (!encoder)
-		goto out;
-
-	connector->encoder = encoder;
-
-	/* select a crtc for this connector and then attempt to configure
-	   remaining connectors */
-	c = 0;
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-
-		if ((encoder->possible_crtcs & (1 << c)) == 0) {
-			c++;
-			continue;
-		}
-
-		for (o = 0; o < n; o++)
-			if (best_crtcs[o] == crtc)
-				break;
-
-		if (o < n) {
-			/* ignore cloning for now */
-			c++;
-			continue;
-		}
-
-		crtcs[n] = crtc;
-		memcpy(crtcs, best_crtcs, n * sizeof(struct drm_crtc *));
-		score = my_score + drm_pick_crtcs(dev, crtcs, modes, n + 1,
-						  width, height);
-		if (score > best_score) {
-			best_crtc = crtc;
-			best_score = score;
-			memcpy(best_crtcs, crtcs,
-			       dev->mode_config.num_connector *
-			       sizeof(struct drm_crtc *));
-		}
-		c++;
-	}
-out:
-	kfree(crtcs);
-	return best_score;
-}
-
-static void drm_setup_crtcs(struct drm_device *dev)
-{
-	struct drm_crtc **crtcs;
-	struct drm_display_mode **modes;
-	struct drm_encoder *encoder;
-	struct drm_connector *connector;
-	bool *enabled;
-	int width, height;
-	int i, ret;
-
-	DRM_DEBUG_KMS("\n");
-
-	width = dev->mode_config.max_width;
-	height = dev->mode_config.max_height;
-
-	/* clean out all the encoder/crtc combos */
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		encoder->crtc = NULL;
-	}
-
-	crtcs = kcalloc(dev->mode_config.num_connector,
-			sizeof(struct drm_crtc *), GFP_KERNEL);
-	modes = kcalloc(dev->mode_config.num_connector,
-			sizeof(struct drm_display_mode *), GFP_KERNEL);
-	enabled = kcalloc(dev->mode_config.num_connector,
-			  sizeof(bool), GFP_KERNEL);
-
-	drm_enable_connectors(dev, enabled);
-
-	ret = drm_target_preferred(dev, modes, enabled, width, height);
-	if (!ret)
-		DRM_ERROR("Unable to find initial modes\n");
-
-	DRM_DEBUG_KMS("picking CRTCs for %dx%d config\n", width, height);
-
-	drm_pick_crtcs(dev, crtcs, modes, 0, width, height);
-
-	i = 0;
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		struct drm_display_mode *mode = modes[i];
-		struct drm_crtc *crtc = crtcs[i];
-
-		if (connector->encoder == NULL) {
-			i++;
-			continue;
-		}
-
-		if (mode && crtc) {
-			DRM_DEBUG_KMS("desired mode %s set on crtc %d\n",
-				  mode->name, crtc->base.id);
-			crtc->desired_mode = mode;
-			connector->encoder->crtc = crtc;
-		} else {
-			connector->encoder->crtc = NULL;
-			connector->encoder = NULL;
-		}
-		i++;
-	}
-
-	kfree(crtcs);
-	kfree(modes);
-	kfree(enabled);
-}
-
 /**
  * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
  * @encoder: encoder to test
@@ -984,63 +673,6 @@ fail:
 }
 EXPORT_SYMBOL(drm_crtc_helper_set_config);
 
-bool drm_helper_plugged_event(struct drm_device *dev)
-{
-	DRM_DEBUG_KMS("\n");
-
-	drm_helper_probe_connector_modes(dev, dev->mode_config.max_width,
-					 dev->mode_config.max_height);
-
-	drm_setup_crtcs(dev);
-
-	/* alert the driver fb layer */
-	dev->mode_config.funcs->fb_changed(dev);
-
-	/* FIXME: send hotplug event */
-	return true;
-}
-/**
- * drm_initial_config - setup a sane initial connector configuration
- * @dev: DRM device
- *
- * LOCKING:
- * Called at init time, must take mode config lock.
- *
- * Scan the CRTCs and connectors and try to put together an initial setup.
- * At the moment, this is a cloned configuration across all heads with
- * a new framebuffer object as the backing store.
- *
- * RETURNS:
- * Zero if everything went ok, nonzero otherwise.
- */
-bool drm_helper_initial_config(struct drm_device *dev)
-{
-	int count = 0;
-
-	/* disable all the possible outputs/crtcs before entering KMS mode */
-	drm_helper_disable_unused_functions(dev);
-
-	drm_fb_helper_parse_command_line(dev);
-
-	count = drm_helper_probe_connector_modes(dev,
-						 dev->mode_config.max_width,
-						 dev->mode_config.max_height);
-
-	/*
-	 * we shouldn't end up with no modes here.
-	 */
-	if (count == 0)
-		printk(KERN_INFO "No connectors reported connected with modes\n");
-
-	drm_setup_crtcs(dev);
-
-	/* alert the driver fb layer */
-	dev->mode_config.funcs->fb_changed(dev);
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_helper_initial_config);
-
 static int drm_helper_choose_encoder_dpms(struct drm_encoder *encoder)
 {
 	int dpms = DRM_MODE_DPMS_OFF;
@@ -1123,27 +755,6 @@ void drm_helper_connector_dpms(struct drm_connector *connector, int mode)
 }
 EXPORT_SYMBOL(drm_helper_connector_dpms);
 
-/**
- * drm_hotplug_stage_two
- * @dev DRM device
- * @connector hotpluged connector
- *
- * LOCKING.
- * Caller must hold mode config lock, function might grab struct lock.
- *
- * Stage two of a hotplug.
- *
- * RETURNS:
- * Zero on success, errno on failure.
- */
-int drm_helper_hotplug_stage_two(struct drm_device *dev)
-{
-	drm_helper_plugged_event(dev);
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_helper_hotplug_stage_two);
-
 int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
 				   struct drm_mode_fb_cmd *mode_cmd)
 {
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 99487237111..055b5be7887 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -747,32 +747,30 @@ EXPORT_SYMBOL(drm_fb_helper_pan_display);
 
 int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 				  int preferred_bpp,
-				  int (*fb_create)(struct drm_device *dev,
-						   uint32_t fb_width,
-						   uint32_t fb_height,
-						   uint32_t surface_width,
-						   uint32_t surface_height,
-						   uint32_t surface_depth,
-						   uint32_t surface_bpp,
-						   struct drm_framebuffer **fb_ptr))
+				  int (*fb_find_or_create)(struct drm_device *dev,
+							   struct drm_fb_helper_surface_size *sizes,
+							   struct drm_fb_helper **fb_ptr))
 {
 	struct drm_crtc *crtc;
 	struct drm_connector *connector;
-	unsigned int fb_width = (unsigned)-1, fb_height = (unsigned)-1;
-	unsigned int surface_width = 0, surface_height = 0;
 	int new_fb = 0;
 	int crtc_count = 0;
 	int ret, i, conn_count = 0;
 	struct fb_info *info;
-	struct drm_framebuffer *fb;
 	struct drm_mode_set *modeset = NULL;
 	struct drm_fb_helper *fb_helper;
-	uint32_t surface_depth = 24, surface_bpp = 32;
+	struct drm_fb_helper_surface_size sizes;
+
+	memset(&sizes, 0, sizeof(struct drm_fb_helper_surface_size));
+	sizes.surface_depth = 24;
+	sizes.surface_bpp = 32;
+	sizes.fb_width = (unsigned)-1;
+	sizes.fb_height = (unsigned)-1;
 
 	/* if driver picks 8 or 16 by default use that
 	   for both depth/bpp */
-	if (preferred_bpp != surface_bpp) {
-		surface_depth = surface_bpp = preferred_bpp;
+	if (preferred_bpp != sizes.surface_bpp) {
+		sizes.surface_depth = sizes.surface_bpp = preferred_bpp;
 	}
 	/* first up get a count of crtcs now in use and new min/maxes width/heights */
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
@@ -788,21 +786,21 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 		if (cmdline_mode->bpp_specified) {
 			switch (cmdline_mode->bpp) {
 			case 8:
-				surface_depth = surface_bpp = 8;
+				sizes.surface_depth = sizes.surface_bpp = 8;
 				break;
 			case 15:
-				surface_depth = 15;
-				surface_bpp = 16;
+				sizes.surface_depth = 15;
+				sizes.surface_bpp = 16;
 				break;
 			case 16:
-				surface_depth = surface_bpp = 16;
+				sizes.surface_depth = sizes.surface_bpp = 16;
 				break;
 			case 24:
-				surface_depth = surface_bpp = 24;
+				sizes.surface_depth = sizes.surface_bpp = 24;
 				break;
 			case 32:
-				surface_depth = 24;
-				surface_bpp = 32;
+				sizes.surface_depth = 24;
+				sizes.surface_bpp = 32;
 				break;
 			}
 			break;
@@ -812,59 +810,41 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		if (drm_helper_crtc_in_use(crtc)) {
 			if (crtc->desired_mode) {
-				if (crtc->desired_mode->hdisplay < fb_width)
-					fb_width = crtc->desired_mode->hdisplay;
+				if (crtc->desired_mode->hdisplay < sizes.fb_width)
+					sizes.fb_width = crtc->desired_mode->hdisplay;
 
-				if (crtc->desired_mode->vdisplay < fb_height)
-					fb_height = crtc->desired_mode->vdisplay;
+				if (crtc->desired_mode->vdisplay < sizes.fb_height)
+					sizes.fb_height = crtc->desired_mode->vdisplay;
 
-				if (crtc->desired_mode->hdisplay > surface_width)
-					surface_width = crtc->desired_mode->hdisplay;
+				if (crtc->desired_mode->hdisplay > sizes.surface_width)
+					sizes.surface_width = crtc->desired_mode->hdisplay;
 
-				if (crtc->desired_mode->vdisplay > surface_height)
-					surface_height = crtc->desired_mode->vdisplay;
+				if (crtc->desired_mode->vdisplay > sizes.surface_height)
+					sizes.surface_height = crtc->desired_mode->vdisplay;
 			}
 			crtc_count++;
 		}
 	}
 
-	if (crtc_count == 0 || fb_width == -1 || fb_height == -1) {
+	if (crtc_count == 0 || sizes.fb_width == -1 || sizes.fb_height == -1) {
 		/* hmm everyone went away - assume VGA cable just fell out
 		   and will come back later. */
 		return 0;
 	}
 
-	/* do we have an fb already? */
-	if (list_empty(&dev->mode_config.fb_kernel_list)) {
-		ret = (*fb_create)(dev, fb_width, fb_height, surface_width,
-				   surface_height, surface_depth, surface_bpp,
-				   &fb);
-		if (ret)
-			return -EINVAL;
-		new_fb = 1;
-	} else {
-		fb = list_first_entry(&dev->mode_config.fb_kernel_list,
-				      struct drm_framebuffer, filp_head);
+	/* push down into drivers */
+	new_fb = (*fb_find_or_create)(dev, &sizes,
+				      &fb_helper);
+	if (new_fb < 0)
+		return new_fb;
 
-		/* if someone hotplugs something bigger than we have already allocated, we are pwned.
-		   As really we can't resize an fbdev that is in the wild currently due to fbdev
-		   not really being designed for the lower layers moving stuff around under it.
-		   - so in the grand style of things - punt. */
-		if ((fb->width < surface_width) ||
-		    (fb->height < surface_height)) {
-			DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
-			return -EINVAL;
-		}
-	}
-
-	info = fb->fbdev;
-	fb_helper = info->par;
+	info = fb_helper->fbdev;
 
 	crtc_count = 0;
 	/* okay we need to setup new connector sets in the crtcs */
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		modeset = &fb_helper->crtc_info[crtc_count].mode_set;
-		modeset->fb = fb;
+		modeset->fb = fb_helper->fb;
 		conn_count = 0;
 		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 			if (connector->encoder)
@@ -891,7 +871,6 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 		}
 	}
 	fb_helper->crtc_count = crtc_count;
-	fb_helper->fb = fb;
 
 	if (new_fb) {
 		info->var.pixclock = 0;
@@ -902,11 +881,13 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 			fb_dealloc_cmap(&info->cmap);
 			return -EINVAL;
 		}
+
+		printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node,
+		       info->fix.id);
+
 	} else {
 		drm_fb_helper_set_par(info);
 	}
-	printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node,
-	       info->fix.id);
 
 	/* Switch back to kernel console on panic */
 	/* multi card linked list maybe */
@@ -916,7 +897,9 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 					       &paniced);
 		register_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
 	}
-	list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list);
+	if (new_fb)
+		list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list);
+
 	return 0;
 }
 EXPORT_SYMBOL(drm_fb_helper_single_fb_probe);
@@ -931,7 +914,7 @@ void drm_fb_helper_free(struct drm_fb_helper *helper)
 		unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
 	}
 	drm_fb_helper_crtc_free(helper);
-	fb_dealloc_cmap(&helper->fb->fbdev->cmap);
+	fb_dealloc_cmap(&helper->fbdev->cmap);
 }
 EXPORT_SYMBOL(drm_fb_helper_free);
 
@@ -953,10 +936,11 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
 }
 EXPORT_SYMBOL(drm_fb_helper_fill_fix);
 
-void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb,
+void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
 			    uint32_t fb_width, uint32_t fb_height)
 {
-	info->pseudo_palette = fb->pseudo_palette;
+	struct drm_framebuffer *fb = fb_helper->fb;
+	info->pseudo_palette = fb_helper->pseudo_palette;
 	info->var.xres_virtual = fb->width;
 	info->var.yres_virtual = fb->height;
 	info->var.bits_per_pixel = fb->bits_per_pixel;
@@ -1024,3 +1008,364 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb,
 	info->var.yres = fb_height;
 }
 EXPORT_SYMBOL(drm_fb_helper_fill_var);
+
+static int drm_helper_probe_connector_modes(struct drm_device *dev, uint32_t maxX,
+					    uint32_t maxY)
+{
+	struct drm_connector *connector;
+	int count = 0;
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		count += connector->funcs->fill_modes(connector, maxX, maxY);
+	}
+
+	return count;
+}
+
+static struct drm_display_mode *drm_has_preferred_mode(struct drm_connector *connector, int width, int height)
+{
+	struct drm_display_mode *mode;
+
+	list_for_each_entry(mode, &connector->modes, head) {
+		if (drm_mode_width(mode) > width ||
+		    drm_mode_height(mode) > height)
+			continue;
+		if (mode->type & DRM_MODE_TYPE_PREFERRED)
+			return mode;
+	}
+	return NULL;
+}
+
+static bool drm_has_cmdline_mode(struct drm_connector *connector)
+{
+	struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
+	struct drm_fb_helper_cmdline_mode *cmdline_mode;
+
+	if (!fb_help_conn)
+		return false;
+
+	cmdline_mode = &fb_help_conn->cmdline_mode;
+	return cmdline_mode->specified;
+}
+
+static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_connector *connector, int width, int height)
+{
+	struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
+	struct drm_fb_helper_cmdline_mode *cmdline_mode;
+	struct drm_display_mode *mode = NULL;
+
+	if (!fb_help_conn)
+		return mode;
+
+	cmdline_mode = &fb_help_conn->cmdline_mode;
+	if (cmdline_mode->specified == false)
+		return mode;
+
+	/* attempt to find a matching mode in the list of modes
+	 *  we have gotten so far, if not add a CVT mode that conforms
+	 */
+	if (cmdline_mode->rb || cmdline_mode->margins)
+		goto create_mode;
+
+	list_for_each_entry(mode, &connector->modes, head) {
+		/* check width/height */
+		if (mode->hdisplay != cmdline_mode->xres ||
+		    mode->vdisplay != cmdline_mode->yres)
+			continue;
+
+		if (cmdline_mode->refresh_specified) {
+			if (mode->vrefresh != cmdline_mode->refresh)
+				continue;
+		}
+
+		if (cmdline_mode->interlace) {
+			if (!(mode->flags & DRM_MODE_FLAG_INTERLACE))
+				continue;
+		}
+		return mode;
+	}
+
+create_mode:
+	mode = drm_cvt_mode(connector->dev, cmdline_mode->xres,
+			    cmdline_mode->yres,
+			    cmdline_mode->refresh_specified ? cmdline_mode->refresh : 60,
+			    cmdline_mode->rb, cmdline_mode->interlace,
+			    cmdline_mode->margins);
+	drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
+	list_add(&mode->head, &connector->modes);
+	return mode;
+}
+
+static bool drm_connector_enabled(struct drm_connector *connector, bool strict)
+{
+	bool enable;
+
+	if (strict) {
+		enable = connector->status == connector_status_connected;
+	} else {
+		enable = connector->status != connector_status_disconnected;
+	}
+	return enable;
+}
+
+static void drm_enable_connectors(struct drm_device *dev, bool *enabled)
+{
+	bool any_enabled = false;
+	struct drm_connector *connector;
+	int i = 0;
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		enabled[i] = drm_connector_enabled(connector, true);
+		DRM_DEBUG_KMS("connector %d enabled? %s\n", connector->base.id,
+			  enabled[i] ? "yes" : "no");
+		any_enabled |= enabled[i];
+		i++;
+	}
+
+	if (any_enabled)
+		return;
+
+	i = 0;
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		enabled[i] = drm_connector_enabled(connector, false);
+		i++;
+	}
+}
+
+static bool drm_target_preferred(struct drm_device *dev,
+				 struct drm_display_mode **modes,
+				 bool *enabled, int width, int height)
+{
+	struct drm_connector *connector;
+	int i = 0;
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+
+		if (enabled[i] == false) {
+			i++;
+			continue;
+		}
+
+		DRM_DEBUG_KMS("looking for cmdline mode on connector %d\n",
+			      connector->base.id);
+
+		/* got for command line mode first */
+		modes[i] = drm_pick_cmdline_mode(connector, width, height);
+		if (!modes[i]) {
+			DRM_DEBUG_KMS("looking for preferred mode on connector %d\n",
+				      connector->base.id);
+			modes[i] = drm_has_preferred_mode(connector, width, height);
+		}
+		/* No preferred modes, pick one off the list */
+		if (!modes[i] && !list_empty(&connector->modes)) {
+			list_for_each_entry(modes[i], &connector->modes, head)
+				break;
+		}
+		DRM_DEBUG_KMS("found mode %s\n", modes[i] ? modes[i]->name :
+			  "none");
+		i++;
+	}
+	return true;
+}
+
+static int drm_pick_crtcs(struct drm_device *dev,
+			  struct drm_crtc **best_crtcs,
+			  struct drm_display_mode **modes,
+			  int n, int width, int height)
+{
+	int c, o;
+	struct drm_connector *connector;
+	struct drm_connector_helper_funcs *connector_funcs;
+	struct drm_encoder *encoder;
+	struct drm_crtc *best_crtc;
+	int my_score, best_score, score;
+	struct drm_crtc **crtcs, *crtc;
+
+	if (n == dev->mode_config.num_connector)
+		return 0;
+	c = 0;
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		if (c == n)
+			break;
+		c++;
+	}
+
+	best_crtcs[n] = NULL;
+	best_crtc = NULL;
+	best_score = drm_pick_crtcs(dev, best_crtcs, modes, n+1, width, height);
+	if (modes[n] == NULL)
+		return best_score;
+
+	crtcs = kmalloc(dev->mode_config.num_connector *
+			sizeof(struct drm_crtc *), GFP_KERNEL);
+	if (!crtcs)
+		return best_score;
+
+	my_score = 1;
+	if (connector->status == connector_status_connected)
+		my_score++;
+	if (drm_has_cmdline_mode(connector))
+		my_score++;
+	if (drm_has_preferred_mode(connector, width, height))
+		my_score++;
+
+	connector_funcs = connector->helper_private;
+	encoder = connector_funcs->best_encoder(connector);
+	if (!encoder)
+		goto out;
+
+	connector->encoder = encoder;
+
+	/* select a crtc for this connector and then attempt to configure
+	   remaining connectors */
+	c = 0;
+	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+
+		if ((encoder->possible_crtcs & (1 << c)) == 0) {
+			c++;
+			continue;
+		}
+
+		for (o = 0; o < n; o++)
+			if (best_crtcs[o] == crtc)
+				break;
+
+		if (o < n) {
+			/* ignore cloning for now */
+			c++;
+			continue;
+		}
+
+		crtcs[n] = crtc;
+		memcpy(crtcs, best_crtcs, n * sizeof(struct drm_crtc *));
+		score = my_score + drm_pick_crtcs(dev, crtcs, modes, n + 1,
+						  width, height);
+		if (score > best_score) {
+			best_crtc = crtc;
+			best_score = score;
+			memcpy(best_crtcs, crtcs,
+			       dev->mode_config.num_connector *
+			       sizeof(struct drm_crtc *));
+		}
+		c++;
+	}
+out:
+	kfree(crtcs);
+	return best_score;
+}
+
+static void drm_setup_crtcs(struct drm_device *dev)
+{
+	struct drm_crtc **crtcs;
+	struct drm_display_mode **modes;
+	struct drm_encoder *encoder;
+	struct drm_connector *connector;
+	bool *enabled;
+	int width, height;
+	int i, ret;
+
+	DRM_DEBUG_KMS("\n");
+
+	width = dev->mode_config.max_width;
+	height = dev->mode_config.max_height;
+
+	/* clean out all the encoder/crtc combos */
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		encoder->crtc = NULL;
+	}
+
+	crtcs = kcalloc(dev->mode_config.num_connector,
+			sizeof(struct drm_crtc *), GFP_KERNEL);
+	modes = kcalloc(dev->mode_config.num_connector,
+			sizeof(struct drm_display_mode *), GFP_KERNEL);
+	enabled = kcalloc(dev->mode_config.num_connector,
+			  sizeof(bool), GFP_KERNEL);
+
+	drm_enable_connectors(dev, enabled);
+
+	ret = drm_target_preferred(dev, modes, enabled, width, height);
+	if (!ret)
+		DRM_ERROR("Unable to find initial modes\n");
+
+	DRM_DEBUG_KMS("picking CRTCs for %dx%d config\n", width, height);
+
+	drm_pick_crtcs(dev, crtcs, modes, 0, width, height);
+
+	i = 0;
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		struct drm_display_mode *mode = modes[i];
+		struct drm_crtc *crtc = crtcs[i];
+
+		if (connector->encoder == NULL) {
+			i++;
+			continue;
+		}
+
+		if (mode && crtc) {
+			DRM_DEBUG_KMS("desired mode %s set on crtc %d\n",
+				  mode->name, crtc->base.id);
+			crtc->desired_mode = mode;
+			connector->encoder->crtc = crtc;
+		} else {
+			connector->encoder->crtc = NULL;
+			connector->encoder = NULL;
+		}
+		i++;
+	}
+
+	kfree(crtcs);
+	kfree(modes);
+	kfree(enabled);
+}
+
+/**
+ * drm_helper_initial_config - setup a sane initial connector configuration
+ * @dev: DRM device
+ *
+ * LOCKING:
+ * Called at init time, must take mode config lock.
+ *
+ * Scan the CRTCs and connectors and try to put together an initial setup.
+ * At the moment, this is a cloned configuration across all heads with
+ * a new framebuffer object as the backing store.
+ *
+ * RETURNS:
+ * Zero if everything went ok, nonzero otherwise.
+ */
+bool drm_helper_initial_config(struct drm_device *dev)
+{
+	int count = 0;
+
+	/* disable all the possible outputs/crtcs before entering KMS mode */
+	drm_helper_disable_unused_functions(dev);
+
+	drm_fb_helper_parse_command_line(dev);
+
+	count = drm_helper_probe_connector_modes(dev,
+						 dev->mode_config.max_width,
+						 dev->mode_config.max_height);
+
+	/*
+	 * we shouldn't end up with no modes here.
+	 */
+	if (count == 0)
+		printk(KERN_INFO "No connectors reported connected with modes\n");
+
+	drm_setup_crtcs(dev);
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_helper_initial_config);
+
+bool drm_helper_fb_hotplug_event(struct drm_device *dev)
+{
+	DRM_DEBUG_KMS("\n");
+
+	drm_helper_probe_connector_modes(dev, dev->mode_config.max_width,
+					 dev->mode_config.max_height);
+
+	drm_setup_crtcs(dev);
+
+	return true;
+}
+EXPORT_SYMBOL(drm_helper_fb_hotplug_event);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 8bfc0bbf13e..7c7d229ddde 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1491,7 +1491,7 @@ static int i915_load_modeset_init(struct drm_device *dev,
 
 	I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
 
-	drm_helper_initial_config(dev);
+	intel_fbdev_init(dev);
 
 	return 0;
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 979439cfb82..601f354e467 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -220,6 +220,8 @@ enum no_fbc_reason {
 	FBC_NOT_TILED, /* buffer not tiled */
 };
 
+struct intel_kernel_fbdev;
+
 typedef struct drm_i915_private {
 	struct drm_device *dev;
 
@@ -627,6 +629,8 @@ typedef struct drm_i915_private {
 	u8 max_delay;
 
 	enum no_fbc_reason no_fbc_reason;
+
+	struct intel_kernel_fbdev *fbdev;
 } drm_i915_private_t;
 
 /** driver private structure attached to each drm_gem_object */
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9cd6de5f990..80577b8a368 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4506,10 +4506,6 @@ static void intel_setup_outputs(struct drm_device *dev)
 static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
 {
 	struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
-	struct drm_device *dev = fb->dev;
-
-	if (fb->fbdev)
-		intelfb_remove(dev, fb);
 
 	drm_framebuffer_cleanup(fb);
 	drm_gem_object_unreference_unlocked(intel_fb->obj);
@@ -4532,18 +4528,13 @@ static const struct drm_framebuffer_funcs intel_fb_funcs = {
 	.create_handle = intel_user_framebuffer_create_handle,
 };
 
-int intel_framebuffer_create(struct drm_device *dev,
-			     struct drm_mode_fb_cmd *mode_cmd,
-			     struct drm_framebuffer **fb,
-			     struct drm_gem_object *obj)
+int intel_framebuffer_init(struct drm_device *dev,
+			   struct intel_framebuffer *intel_fb,
+			   struct drm_mode_fb_cmd *mode_cmd,
+			   struct drm_gem_object *obj)
 {
-	struct intel_framebuffer *intel_fb;
 	int ret;
 
-	intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
-	if (!intel_fb)
-		return -ENOMEM;
-
 	ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs);
 	if (ret) {
 		DRM_ERROR("framebuffer init failed %d\n", ret);
@@ -4551,40 +4542,40 @@ int intel_framebuffer_create(struct drm_device *dev,
 	}
 
 	drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd);
-
 	intel_fb->obj = obj;
-
-	*fb = &intel_fb->base;
-
 	return 0;
 }
 
-
 static struct drm_framebuffer *
 intel_user_framebuffer_create(struct drm_device *dev,
 			      struct drm_file *filp,
 			      struct drm_mode_fb_cmd *mode_cmd)
 {
 	struct drm_gem_object *obj;
-	struct drm_framebuffer *fb;
+	struct intel_framebuffer *intel_fb;
 	int ret;
 
 	obj = drm_gem_object_lookup(dev, filp, mode_cmd->handle);
 	if (!obj)
 		return NULL;
 
-	ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj);
+	intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
+	if (!intel_fb)
+		return NULL;
+
+	ret = intel_framebuffer_init(dev, intel_fb,
+				     mode_cmd, obj);
 	if (ret) {
 		drm_gem_object_unreference_unlocked(obj);
+		kfree(intel_fb);
 		return NULL;
 	}
 
-	return fb;
+	return &intel_fb->base;
 }
 
 static const struct drm_mode_config_funcs intel_mode_funcs = {
 	.fb_create = intel_user_framebuffer_create,
-	.fb_changed = intelfb_probe,
 };
 
 static struct drm_gem_object *
@@ -4924,6 +4915,8 @@ void intel_modeset_cleanup(struct drm_device *dev)
 
 	mutex_lock(&dev->struct_mutex);
 
+	intel_fbdev_fini(dev);
+
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		/* Skip inactive CRTCs */
 		if (!crtc->fb)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 3a467ca5785..9ffb9f2c9ab 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -200,9 +200,6 @@ extern void intel_release_load_detect_pipe(struct intel_output *intel_output,
 extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
 extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
 extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
-extern int intelfb_probe(struct drm_device *dev);
-extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
-extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
 extern void intelfb_restore(void);
 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 				    u16 blue, int regno);
@@ -212,10 +209,12 @@ extern void intel_init_clock_gating(struct drm_device *dev);
 extern void ironlake_enable_drps(struct drm_device *dev);
 extern void ironlake_disable_drps(struct drm_device *dev);
 
-extern int intel_framebuffer_create(struct drm_device *dev,
-				    struct drm_mode_fb_cmd *mode_cmd,
-				    struct drm_framebuffer **fb,
-				    struct drm_gem_object *obj);
+extern int intel_framebuffer_init(struct drm_device *dev,
+				  struct intel_framebuffer *ifb,
+				  struct drm_mode_fb_cmd *mode_cmd,
+				  struct drm_gem_object *obj);
+extern int intel_fbdev_init(struct drm_device *dev);
+extern void intel_fbdev_fini(struct drm_device *dev);
 
 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 8cd791dc5b2..b0de9bbde34 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -45,9 +45,10 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
-struct intelfb_par {
+struct intel_kernel_fbdev {
 	struct drm_fb_helper helper;
-	struct intel_framebuffer *intel_fb;
+	struct intel_framebuffer ifb;
+	struct list_head fbdev_list;
 	struct drm_display_mode *our_mode;
 };
 
@@ -70,54 +71,12 @@ static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
 };
 
 
-/**
- * Currently it is assumed that the old framebuffer is reused.
- *
- * LOCKING
- * caller should hold the mode config lock.
- *
- */
-int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
+static int intelfb_create(struct drm_device *dev,
+			  struct drm_fb_helper_surface_size *sizes,
+			  struct intel_kernel_fbdev **ifbdev_p)
 {
 	struct fb_info *info;
-	struct drm_framebuffer *fb;
-	struct drm_display_mode *mode = crtc->desired_mode;
-
-	fb = crtc->fb;
-	if (!fb)
-		return 1;
-
-	info = fb->fbdev;
-	if (!info)
-		return 1;
-
-	if (!mode)
-		return 1;
-
-	info->var.xres = mode->hdisplay;
-	info->var.right_margin = mode->hsync_start - mode->hdisplay;
-	info->var.hsync_len = mode->hsync_end - mode->hsync_start;
-	info->var.left_margin = mode->htotal - mode->hsync_end;
-	info->var.yres = mode->vdisplay;
-	info->var.lower_margin = mode->vsync_start - mode->vdisplay;
-	info->var.vsync_len = mode->vsync_end - mode->vsync_start;
-	info->var.upper_margin = mode->vtotal - mode->vsync_end;
-	info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100;
-	/* avoid overflow */
-	info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
-
-	return 0;
-}
-EXPORT_SYMBOL(intelfb_resize);
-
-static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
-			  uint32_t fb_height, uint32_t surface_width,
-			  uint32_t surface_height,
-			  uint32_t surface_depth, uint32_t surface_bpp,
-			  struct drm_framebuffer **fb_p)
-{
-	struct fb_info *info;
-	struct intelfb_par *par;
+	struct intel_kernel_fbdev *ifbdev;
 	struct drm_framebuffer *fb;
 	struct intel_framebuffer *intel_fb;
 	struct drm_mode_fb_cmd mode_cmd;
@@ -127,15 +86,15 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
 	int size, ret, mmio_bar = IS_I9XX(dev) ? 0 : 1;
 
 	/* we don't do packed 24bpp */
-	if (surface_bpp == 24)
-		surface_bpp = 32;
+	if (sizes->surface_bpp == 24)
+		sizes->surface_bpp = 32;
 
-	mode_cmd.width = surface_width;
-	mode_cmd.height = surface_height;
+	mode_cmd.width = sizes->surface_width;
+	mode_cmd.height = sizes->surface_height;
 
-	mode_cmd.bpp = surface_bpp;
+	mode_cmd.bpp = sizes->surface_bpp;
 	mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64);
-	mode_cmd.depth = surface_depth;
+	mode_cmd.depth = sizes->surface_depth;
 
 	size = mode_cmd.pitch * mode_cmd.height;
 	size = ALIGN(size, PAGE_SIZE);
@@ -158,28 +117,25 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
 	/* Flush everything out, we'll be doing GTT only from now on */
 	i915_gem_object_set_to_gtt_domain(fbo, 1);
 
-	ret = intel_framebuffer_create(dev, &mode_cmd, &fb, fbo);
-	if (ret) {
-		DRM_ERROR("failed to allocate fb.\n");
-		goto out_unpin;
-	}
-
-	list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list);
-
-	intel_fb = to_intel_framebuffer(fb);
-	*fb_p = fb;
-
-	info = framebuffer_alloc(sizeof(struct intelfb_par), device);
+	info = framebuffer_alloc(sizeof(struct intel_kernel_fbdev), device);
 	if (!info) {
 		ret = -ENOMEM;
 		goto out_unpin;
 	}
 
-	par = info->par;
+	ifbdev = info->par;
+	intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, fbo);
 
-	par->helper.funcs = &intel_fb_helper_funcs;
-	par->helper.dev = dev;
-	ret = drm_fb_helper_init_crtc_count(&par->helper, 2,
+	fb = &ifbdev->ifb.base;
+
+	ifbdev->helper.fb = fb;
+	ifbdev->helper.fbdev = info;
+	ifbdev->helper.funcs = &intel_fb_helper_funcs;
+	ifbdev->helper.dev = dev;
+
+	*ifbdev_p = ifbdev;
+
+	ret = drm_fb_helper_init_crtc_count(&ifbdev->helper, 2,
 					    INTELFB_CONN_LIMIT);
 	if (ret)
 		goto out_unref;
@@ -214,7 +170,7 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
 //	memset(info->screen_base, 0, size);
 
 	drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
-	drm_fb_helper_fill_var(info, fb, fb_width, fb_height);
+	drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);
 
 	/* FIXME: we really shouldn't expose mmio space at all */
 	info->fix.mmio_start = pci_resource_start(dev->pdev, mmio_bar);
@@ -226,15 +182,11 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
 	info->pixmap.flags = FB_PIXMAP_SYSTEM;
 	info->pixmap.scan_align = 1;
 
-	fb->fbdev = info;
-
-	par->intel_fb = intel_fb;
-
-	/* To allow resizeing without swapping buffers */
 	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n",
 			intel_fb->base.width, intel_fb->base.height,
 			obj_priv->gtt_offset, fbo);
 
+
 	mutex_unlock(&dev->struct_mutex);
 	vga_switcheroo_client_fb_set(dev->pdev, info);
 	return 0;
@@ -248,35 +200,76 @@ out:
 	return ret;
 }
 
-int intelfb_probe(struct drm_device *dev)
+static int intel_fb_find_or_create_single(struct drm_device *dev,
+					  struct drm_fb_helper_surface_size *sizes,
+					  struct drm_fb_helper **fb_ptr)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct intel_kernel_fbdev *ifbdev = NULL;
+	int new_fb = 0;
+	int ret;
+
+	if (!dev_priv->fbdev) {
+		ret = intelfb_create(dev, sizes,
+				     &ifbdev);
+		if (ret)
+			return ret;
+
+		dev_priv->fbdev = ifbdev;
+		new_fb = 1;
+	} else {
+		ifbdev = dev_priv->fbdev;
+		if (ifbdev->ifb.base.width < sizes->surface_width ||
+		    ifbdev->ifb.base.height < sizes->surface_height) {
+			DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
+			return -EINVAL;
+		}
+	}
+
+	*fb_ptr = &ifbdev->helper;
+	return new_fb;
+}
+
+static int intelfb_probe(struct drm_device *dev)
 {
 	int ret;
 
 	DRM_DEBUG_KMS("\n");
-	ret = drm_fb_helper_single_fb_probe(dev, 32, intelfb_create);
+	ret = drm_fb_helper_single_fb_probe(dev, 32, intel_fb_find_or_create_single);
 	return ret;
 }
-EXPORT_SYMBOL(intelfb_probe);
 
-int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+int intel_fbdev_destroy(struct drm_device *dev,
+			struct intel_kernel_fbdev *ifbdev)
 {
 	struct fb_info *info;
+	struct intel_framebuffer *ifb = &ifbdev->ifb;
 
-	if (!fb)
-		return -EINVAL;
+	info = ifbdev->helper.fbdev;
 
-	info = fb->fbdev;
+	unregister_framebuffer(info);
+	iounmap(info->screen_base);
+	drm_fb_helper_free(&ifbdev->helper);
 
-	if (info) {
-		struct intelfb_par *par = info->par;
-		unregister_framebuffer(info);
-		iounmap(info->screen_base);
-		if (info->par)
-			drm_fb_helper_free(&par->helper);
-		framebuffer_release(info);
-	}
+	drm_framebuffer_cleanup(&ifb->base);
+	drm_gem_object_unreference_unlocked(ifb->obj);
+
+	framebuffer_release(info);
 
 	return 0;
 }
-EXPORT_SYMBOL(intelfb_remove);
+
+int intel_fbdev_init(struct drm_device *dev)
+{
+	drm_helper_initial_config(dev);
+	intelfb_probe(dev);
+	return 0;
+}
+
+void intel_fbdev_fini(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	intel_fbdev_destroy(dev, dev_priv->fbdev);
+	dev_priv->fbdev = NULL;
+}
 MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index cf1c5c0a0ab..9d7928f40fd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -34,10 +34,6 @@ static void
 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
 {
 	struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
-	struct drm_device *dev = drm_fb->dev;
-
-	if (drm_fb->fbdev)
-		nouveau_fbcon_remove(dev, drm_fb);
 
 	if (fb->nvbo)
 		drm_gem_object_unreference_unlocked(fb->nvbo->gem);
@@ -61,27 +57,20 @@ static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
 	.create_handle = nouveau_user_framebuffer_create_handle,
 };
 
-struct drm_framebuffer *
-nouveau_framebuffer_create(struct drm_device *dev, struct nouveau_bo *nvbo,
-			   struct drm_mode_fb_cmd *mode_cmd)
+int
+nouveau_framebuffer_init(struct drm_device *dev, struct nouveau_framebuffer *nouveau_fb,
+			 struct drm_mode_fb_cmd *mode_cmd, struct nouveau_bo *nvbo)
 {
-	struct nouveau_framebuffer *fb;
 	int ret;
 
-	fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
-	if (!fb)
-		return NULL;
-
-	ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
+	ret = drm_framebuffer_init(dev, &nouveau_fb->base, &nouveau_framebuffer_funcs);
 	if (ret) {
-		kfree(fb);
-		return NULL;
+		return ret;
 	}
 
-	drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
-
-	fb->nvbo = nvbo;
-	return &fb->base;
+	drm_helper_mode_fill_fb_struct(&nouveau_fb->base, mode_cmd);
+	nouveau_fb->nvbo = nvbo;
+	return 0;
 }
 
 static struct drm_framebuffer *
@@ -89,24 +78,28 @@ nouveau_user_framebuffer_create(struct drm_device *dev,
 				struct drm_file *file_priv,
 				struct drm_mode_fb_cmd *mode_cmd)
 {
-	struct drm_framebuffer *fb;
+	struct nouveau_framebuffer *nouveau_fb;
 	struct drm_gem_object *gem;
+	int ret;
 
 	gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
 	if (!gem)
 		return NULL;
 
-	fb = nouveau_framebuffer_create(dev, nouveau_gem_object(gem), mode_cmd);
-	if (!fb) {
+	nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
+	if (!nouveau_fb)
+		return NULL;
+
+	ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
+	if (ret) {
 		drm_gem_object_unreference(gem);
 		return NULL;
 	}
 
-	return fb;
+	return &nouveau_fb->base;
 }
 
 const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
 	.fb_create = nouveau_user_framebuffer_create,
-	.fb_changed = nouveau_fbcon_probe,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 1de974acbc6..c6079e36669 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -153,7 +153,6 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 	struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
 	struct nouveau_channel *chan;
 	struct drm_crtc *crtc;
-	uint32_t fbdev_flags;
 	int ret, i;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
@@ -163,8 +162,7 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 		return 0;
 
 	NV_INFO(dev, "Disabling fbcon acceleration...\n");
-	fbdev_flags = dev_priv->fbdev_info->flags;
-	dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED;
+	nouveau_fbcon_save_disable_accel(dev);
 
 	NV_INFO(dev, "Unpinning framebuffer(s)...\n");
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -230,9 +228,9 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 	}
 
 	acquire_console_sem();
-	fb_set_suspend(dev_priv->fbdev_info, 1);
+	nouveau_fbcon_set_suspend(dev, 1);
 	release_console_sem();
-	dev_priv->fbdev_info->flags = fbdev_flags;
+	nouveau_fbcon_restore_accel(dev);
 	return 0;
 
 out_abort:
@@ -250,14 +248,12 @@ nouveau_pci_resume(struct pci_dev *pdev)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_engine *engine = &dev_priv->engine;
 	struct drm_crtc *crtc;
-	uint32_t fbdev_flags;
 	int ret, i;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return -ENODEV;
 
-	fbdev_flags = dev_priv->fbdev_info->flags;
-	dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED;
+	nouveau_fbcon_save_disable_accel(dev);
 
 	NV_INFO(dev, "We're back, enabling device...\n");
 	pci_set_power_state(pdev, PCI_D0);
@@ -332,13 +328,14 @@ nouveau_pci_resume(struct pci_dev *pdev)
 	}
 
 	acquire_console_sem();
-	fb_set_suspend(dev_priv->fbdev_info, 0);
+	nouveau_fbcon_set_suspend(dev, 0);
 	release_console_sem();
 
-	nouveau_fbcon_zfill(dev);
+	nouveau_fbcon_zfill_all(dev);
 
 	drm_helper_resume_force_mode(dev);
-	dev_priv->fbdev_info->flags = fbdev_flags;
+
+	nouveau_fbcon_restore_accel(dev);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index d8b55901177..93459e07e82 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -531,8 +531,6 @@ struct drm_nouveau_private {
 		atomic_t validate_sequence;
 	} ttm;
 
-	struct fb_info *fbdev_info;
-
 	int fifo_alloc_count;
 	struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR];
 
@@ -628,6 +626,8 @@ struct drm_nouveau_private {
 	struct {
 		struct dentry *channel_root;
 	} debugfs;
+
+	struct nouveau_fbcon_par *nfbdev;
 };
 
 static inline struct drm_nouveau_private *
diff --git a/drivers/gpu/drm/nouveau/nouveau_fb.h b/drivers/gpu/drm/nouveau/nouveau_fb.h
index 4a3f31aa194..d432134b71e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fb.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fb.h
@@ -40,8 +40,6 @@ nouveau_framebuffer(struct drm_framebuffer *fb)
 
 extern const struct drm_mode_config_funcs nouveau_mode_config_funcs;
 
-struct drm_framebuffer *
-nouveau_framebuffer_create(struct drm_device *, struct nouveau_bo *,
-			   struct drm_mode_fb_cmd *);
-
+int nouveau_framebuffer_init(struct drm_device *dev, struct nouveau_framebuffer *nouveau_fb,
+			     struct drm_mode_fb_cmd *mode_cmd, struct nouveau_bo *nvbo);
 #endif /* __NOUVEAU_FB_H__ */
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 68cedd9194f..712ee42e3cf 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -199,11 +199,10 @@ not_fb:
 }
 #endif
 
-void
-nouveau_fbcon_zfill(struct drm_device *dev)
+static void
+nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbcon_par *fbpar)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct fb_info *info = dev_priv->fbdev_info;
+	struct fb_info *info = fbpar->helper.fbdev;
 	struct fb_fillrect rect;
 
 	/* Clear the entire fbcon.  The drm will program every connector
@@ -219,10 +218,9 @@ nouveau_fbcon_zfill(struct drm_device *dev)
 }
 
 static int
-nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width,
-		     uint32_t fb_height, uint32_t surface_width,
-		     uint32_t surface_height, uint32_t surface_depth,
-		     uint32_t surface_bpp, struct drm_framebuffer **pfb)
+nouveau_fbcon_create(struct drm_device *dev,
+		     struct drm_fb_helper_surface_size *sizes,
+		     struct nouveau_fbcon_par **fbpar_p)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct fb_info *info;
@@ -234,13 +232,13 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width,
 	struct device *device = &dev->pdev->dev;
 	int size, ret;
 
-	mode_cmd.width = surface_width;
-	mode_cmd.height = surface_height;
+	mode_cmd.width = sizes->surface_width;
+	mode_cmd.height = sizes->surface_height;
 
-	mode_cmd.bpp = surface_bpp;
+	mode_cmd.bpp = sizes->surface_bpp;
 	mode_cmd.pitch = mode_cmd.width * (mode_cmd.bpp >> 3);
 	mode_cmd.pitch = roundup(mode_cmd.pitch, 256);
-	mode_cmd.depth = surface_depth;
+	mode_cmd.depth = sizes->surface_depth;
 
 	size = mode_cmd.pitch * mode_cmd.height;
 	size = roundup(size, PAGE_SIZE);
@@ -269,18 +267,6 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width,
 
 	mutex_lock(&dev->struct_mutex);
 
-	fb = nouveau_framebuffer_create(dev, nvbo, &mode_cmd);
-	if (!fb) {
-		ret = -ENOMEM;
-		NV_ERROR(dev, "failed to allocate fb.\n");
-		goto out_unref;
-	}
-
-	list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list);
-
-	nouveau_fb = nouveau_framebuffer(fb);
-	*pfb = fb;
-
 	info = framebuffer_alloc(sizeof(struct nouveau_fbcon_par), device);
 	if (!info) {
 		ret = -ENOMEM;
@@ -288,12 +274,20 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width,
 	}
 
 	par = info->par;
+	nouveau_framebuffer_init(dev, &par->nouveau_fb, &mode_cmd, nvbo);
+
+	fb = &par->nouveau_fb.base;
+	/* setup helper */
+	par->helper.fb = fb;
+	par->helper.fbdev = info;
 	par->helper.funcs = &nouveau_fbcon_helper_funcs;
 	par->helper.dev = dev;
+
+	*fbpar_p = par;
+
 	ret = drm_fb_helper_init_crtc_count(&par->helper, 2, 4);
 	if (ret)
 		goto out_unref;
-	dev_priv->fbdev_info = info;
 
 	strcpy(info->fix.id, "nouveaufb");
 	if (nouveau_nofbaccel)
@@ -311,7 +305,7 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width,
 	info->screen_size = size;
 
 	drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
-	drm_fb_helper_fill_var(info, fb, fb_width, fb_height);
+	drm_fb_helper_fill_var(info, &par->helper, sizes->fb_width, sizes->fb_height);
 
 	/* FIXME: we really shouldn't expose mmio space at all */
 	info->fix.mmio_start = pci_resource_start(dev->pdev, 1);
@@ -344,9 +338,6 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width,
 	info->pixmap.flags = FB_PIXMAP_SYSTEM;
 	info->pixmap.scan_align = 1;
 
-	fb->fbdev = info;
-
-	par->nouveau_fb = nouveau_fb;
 	par->dev = dev;
 
 	if (dev_priv->channel && !nouveau_nofbaccel) {
@@ -362,7 +353,7 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width,
 		};
 	}
 
-	nouveau_fbcon_zfill(dev);
+	nouveau_fbcon_zfill(dev, par);
 
 	/* To allow resizeing without swapping buffers */
 	NV_INFO(dev, "allocated %dx%d fb: 0x%lx, bo %p\n",
@@ -380,35 +371,59 @@ out:
 	return ret;
 }
 
-int
+static int
+nouveau_fbcon_find_or_create_single(struct drm_device *dev,
+				    struct drm_fb_helper_surface_size *sizes,
+				    struct drm_fb_helper **fb_ptr)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nouveau_fbcon_par *fbpar;
+	int new_fb = 0;
+	int ret;
+
+	if (!dev_priv->nfbdev) {
+		ret = nouveau_fbcon_create(dev, sizes,
+					   &fbpar);
+		if (ret)
+			return ret;
+		dev_priv->nfbdev = fbpar;
+		new_fb = 1;
+	} else {
+		fbpar = dev_priv->nfbdev;
+		if (fbpar->nouveau_fb.base.width < sizes->surface_width ||
+		    fbpar->nouveau_fb.base.height < sizes->surface_height) {
+			DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
+			return -EINVAL;
+		}
+	}
+	*fb_ptr = &fbpar->helper;
+	return new_fb;
+}
+
+static int
 nouveau_fbcon_probe(struct drm_device *dev)
 {
 	NV_DEBUG_KMS(dev, "\n");
 
-	return drm_fb_helper_single_fb_probe(dev, 32, nouveau_fbcon_create);
+	return drm_fb_helper_single_fb_probe(dev, 32, nouveau_fbcon_find_or_create_single);
 }
 
 int
-nouveau_fbcon_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbcon_par *fbpar)
 {
-	struct nouveau_framebuffer *nouveau_fb = nouveau_framebuffer(fb);
+	struct nouveau_framebuffer *nouveau_fb = &fbpar->nouveau_fb;
 	struct fb_info *info;
 
-	if (!fb)
-		return -EINVAL;
+	info = fbpar->helper.fbdev;
 
-	info = fb->fbdev;
-	if (info) {
-		struct nouveau_fbcon_par *par = info->par;
+	unregister_framebuffer(info);
+	nouveau_bo_unmap(nouveau_fb->nvbo);
+	drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
+	nouveau_fb->nvbo = NULL;
+	drm_fb_helper_free(&fbpar->helper);
 
-		unregister_framebuffer(info);
-		nouveau_bo_unmap(nouveau_fb->nvbo);
-		drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
-		nouveau_fb->nvbo = NULL;
-		if (par)
-			drm_fb_helper_free(&par->helper);
-		framebuffer_release(info);
-	}
+	drm_framebuffer_cleanup(&nouveau_fb->base);
+	framebuffer_release(info);
 
 	return 0;
 }
@@ -421,3 +436,43 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info)
 	NV_ERROR(dev, "GPU lockup - switching to software fbcon\n");
 	info->flags |= FBINFO_HWACCEL_DISABLED;
 }
+
+int nouveau_fbcon_init(struct drm_device *dev)
+{
+	drm_helper_initial_config(dev);
+	nouveau_fbcon_probe(dev);
+	return 0;
+}
+
+void nouveau_fbcon_fini(struct drm_device *dev)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	nouveau_fbcon_destroy(dev, dev_priv->nfbdev);
+	dev_priv->nfbdev = NULL;
+}
+
+void nouveau_fbcon_save_disable_accel(struct drm_device *dev)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+	dev_priv->nfbdev->saved_flags = dev_priv->nfbdev->helper.fbdev->flags;
+	dev_priv->nfbdev->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED;
+}
+
+void nouveau_fbcon_restore_accel(struct drm_device *dev)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	dev_priv->nfbdev->helper.fbdev->flags = dev_priv->nfbdev->saved_flags;
+}
+
+void nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	fb_set_suspend(dev_priv->nfbdev->helper.fbdev, state);
+}
+
+void nouveau_fbcon_zfill_all(struct drm_device *dev)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	nouveau_fbcon_zfill(dev, dev_priv->nfbdev);
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.h b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
index f9c34e1a8c1..fa66cb9fa4d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
@@ -29,16 +29,16 @@
 
 #include "drm_fb_helper.h"
 
+#include "nouveau_fb.h"
 struct nouveau_fbcon_par {
 	struct drm_fb_helper helper;
+	struct nouveau_framebuffer nouveau_fb;
+	struct list_head fbdev_list;
 	struct drm_device *dev;
-	struct nouveau_framebuffer *nouveau_fb;
+	unsigned int saved_flags;
 };
 
-int nouveau_fbcon_probe(struct drm_device *dev);
-int nouveau_fbcon_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 void nouveau_fbcon_restore(void);
-void nouveau_fbcon_zfill(struct drm_device *dev);
 
 void nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region);
 void nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
@@ -50,5 +50,12 @@ void nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image);
 int nv50_fbcon_accel_init(struct fb_info *info);
 
 void nouveau_fbcon_gpu_lockup(struct fb_info *info);
+
+int nouveau_fbcon_init(struct drm_device *dev);
+void nouveau_fbcon_fini(struct drm_device *dev);
+void nouveau_fbcon_set_suspend(struct drm_device *dev, int state);
+void nouveau_fbcon_zfill_all(struct drm_device *dev);
+void nouveau_fbcon_save_disable_accel(struct drm_device *dev);
+void nouveau_fbcon_restore_accel(struct drm_device *dev);
 #endif /* __NV50_FBCON_H__ */
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index 2bd59a92fee..0aa08b3be37 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -1203,7 +1203,7 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *)arg;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	uint32_t status, fbdev_flags = 0;
+	uint32_t status;
 	unsigned long flags;
 
 	status = nv_rd32(dev, NV03_PMC_INTR_0);
@@ -1212,11 +1212,6 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
 
 	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
 
-	if (dev_priv->fbdev_info) {
-		fbdev_flags = dev_priv->fbdev_info->flags;
-		dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED;
-	}
-
 	if (status & NV_PMC_INTR_0_PFIFO_PENDING) {
 		nouveau_fifo_irq_handler(dev);
 		status &= ~NV_PMC_INTR_0_PFIFO_PENDING;
@@ -1246,9 +1241,6 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
 	if (status)
 		NV_ERROR(dev, "Unhandled PMC INTR status bits 0x%08x\n", status);
 
-	if (dev_priv->fbdev_info)
-		dev_priv->fbdev_info->flags = fbdev_flags;
-
 	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 
 	return IRQ_HANDLED;
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 58b46807de2..23e67bf0898 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -33,6 +33,7 @@
 
 #include "nouveau_drv.h"
 #include "nouveau_drm.h"
+#include "nouveau_fbcon.h"
 #include "nv50_display.h"
 
 static void nouveau_stub_takedown(struct drm_device *dev) {}
@@ -511,7 +512,7 @@ nouveau_card_init(struct drm_device *dev)
 	dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET))
-		drm_helper_initial_config(dev);
+		nouveau_fbcon_init(dev);
 
 	return 0;
 
@@ -552,6 +553,7 @@ static void nouveau_card_takedown(struct drm_device *dev)
 	NV_DEBUG(dev, "prev state = %d\n", dev_priv->init_state);
 
 	if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) {
+
 		nouveau_backlight_exit(dev);
 
 		if (dev_priv->channel) {
@@ -783,6 +785,7 @@ int nouveau_unload(struct drm_device *dev)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		nouveau_fbcon_fini(dev);
 		if (dev_priv->card_type >= NV_50)
 			nv50_display_destroy(dev);
 		else
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 034218c3dbb..4f50807ae0a 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -927,9 +927,6 @@ struct radeon_device {
 	bool				is_atom_bios;
 	uint16_t			bios_header_start;
 	struct radeon_bo		*stollen_vga_memory;
-	struct fb_info			*fbdev_info;
-	struct radeon_bo		*fbdev_rbo;
-	struct radeon_framebuffer	*fbdev_rfb;
 	/* Register mmio */
 	resource_size_t			rmmio_base;
 	resource_size_t			rmmio_size;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 60ec47b7164..90e8883494a 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -676,9 +676,10 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
 			continue;
 		}
 		robj = rfb->obj->driver_private;
-		if (robj != rdev->fbdev_rbo) {
+		/* don't unpin kernel fb objects */
+		if (!radeon_fbdev_robj_is_fb(rdev, robj)) {
 			r = radeon_bo_reserve(robj, false);
-			if (unlikely(r == 0)) {
+			if (r == 0) {
 				radeon_bo_unpin(robj);
 				radeon_bo_unreserve(robj);
 			}
@@ -703,7 +704,7 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
 		pci_set_power_state(dev->pdev, PCI_D3hot);
 	}
 	acquire_console_sem();
-	fb_set_suspend(rdev->fbdev_info, 1);
+	radeon_fbdev_set_suspend(rdev, 1);
 	release_console_sem();
 	return 0;
 }
@@ -727,7 +728,7 @@ int radeon_resume_kms(struct drm_device *dev)
 	radeon_agp_resume(rdev);
 	radeon_resume(rdev);
 	radeon_restore_bios_scratch_regs(rdev);
-	fb_set_suspend(rdev->fbdev_info, 0);
+	radeon_fbdev_set_suspend(rdev, 0);
 	release_console_sem();
 
 	/* reset hpd state */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index b8d67282824..243c1c4bc83 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -831,10 +831,6 @@ void radeon_compute_pll(struct radeon_pll *pll,
 static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
 {
 	struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
-	struct drm_device *dev = fb->dev;
-
-	if (fb->fbdev)
-		radeonfb_remove(dev, fb);
 
 	if (radeon_fb->obj)
 		drm_gem_object_unreference_unlocked(radeon_fb->obj);
@@ -856,21 +852,15 @@ static const struct drm_framebuffer_funcs radeon_fb_funcs = {
 	.create_handle = radeon_user_framebuffer_create_handle,
 };
 
-struct drm_framebuffer *
-radeon_framebuffer_create(struct drm_device *dev,
-			  struct drm_mode_fb_cmd *mode_cmd,
-			  struct drm_gem_object *obj)
+void
+radeon_framebuffer_init(struct drm_device *dev,
+			struct radeon_framebuffer *rfb,
+			struct drm_mode_fb_cmd *mode_cmd,
+			struct drm_gem_object *obj)
 {
-	struct radeon_framebuffer *radeon_fb;
-
-	radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
-	if (radeon_fb == NULL) {
-		return NULL;
-	}
-	drm_framebuffer_init(dev, &radeon_fb->base, &radeon_fb_funcs);
-	drm_helper_mode_fill_fb_struct(&radeon_fb->base, mode_cmd);
-	radeon_fb->obj = obj;
-	return &radeon_fb->base;
+	rfb->obj = obj;
+	drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs);
+	drm_helper_mode_fill_fb_struct(&rfb->base, mode_cmd);
 }
 
 static struct drm_framebuffer *
@@ -879,6 +869,7 @@ radeon_user_framebuffer_create(struct drm_device *dev,
 			       struct drm_mode_fb_cmd *mode_cmd)
 {
 	struct drm_gem_object *obj;
+	struct radeon_framebuffer *radeon_fb;
 
 	obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
 	if (obj ==  NULL) {
@@ -886,12 +877,19 @@ radeon_user_framebuffer_create(struct drm_device *dev,
 			"can't create framebuffer\n", mode_cmd->handle);
 		return NULL;
 	}
-	return radeon_framebuffer_create(dev, mode_cmd, obj);
+
+	radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
+	if (radeon_fb == NULL) {
+		return NULL;
+	}
+
+	radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
+
+	return &radeon_fb->base;
 }
 
 static const struct drm_mode_config_funcs radeon_mode_funcs = {
 	.fb_create = radeon_user_framebuffer_create,
-	.fb_changed = radeonfb_probe,
 };
 
 struct drm_prop_enum_list {
@@ -1031,12 +1029,14 @@ int radeon_modeset_init(struct radeon_device *rdev)
 	}
 	/* initialize hpd */
 	radeon_hpd_init(rdev);
-	drm_helper_initial_config(rdev->ddev);
+
+	radeon_fbdev_init(rdev);
 	return 0;
 }
 
 void radeon_modeset_fini(struct radeon_device *rdev)
 {
+	radeon_fbdev_fini(rdev);
 	kfree(rdev->mode_info.bios_hardcoded_edid);
 
 	if (rdev->mode_info.mode_config_initialized) {
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 8fccbf29235..a7e4c2a89ee 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -41,10 +41,15 @@
 
 #include <linux/vga_switcheroo.h>
 
-struct radeon_fb_device {
+/* object hierarchy -
+   this contains a helper + a radeon fb
+   the helper contains a pointer to radeon framebuffer baseclass.
+*/
+struct radeon_kernel_fbdev {
 	struct drm_fb_helper helper;
-	struct radeon_framebuffer	*rfb;
-	struct radeon_device		*rdev;
+	struct radeon_framebuffer rfb;
+	struct list_head fbdev_list;
+	struct radeon_device *rdev;
 };
 
 static struct fb_ops radeonfb_ops = {
@@ -60,45 +65,6 @@ static struct fb_ops radeonfb_ops = {
 	.fb_setcmap = drm_fb_helper_setcmap,
 };
 
-/**
- * Currently it is assumed that the old framebuffer is reused.
- *
- * LOCKING
- * caller should hold the mode config lock.
- *
- */
-int radeonfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
-{
-	struct fb_info *info;
-	struct drm_framebuffer *fb;
-	struct drm_display_mode *mode = crtc->desired_mode;
-
-	fb = crtc->fb;
-	if (fb == NULL) {
-		return 1;
-	}
-	info = fb->fbdev;
-	if (info == NULL) {
-		return 1;
-	}
-	if (mode == NULL) {
-		return 1;
-	}
-	info->var.xres = mode->hdisplay;
-	info->var.right_margin = mode->hsync_start - mode->hdisplay;
-	info->var.hsync_len = mode->hsync_end - mode->hsync_start;
-	info->var.left_margin = mode->htotal - mode->hsync_end;
-	info->var.yres = mode->vdisplay;
-	info->var.lower_margin = mode->vsync_start - mode->vdisplay;
-	info->var.vsync_len = mode->vsync_end - mode->vsync_start;
-	info->var.upper_margin = mode->vtotal - mode->vsync_end;
-	info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100;
-	/* avoid overflow */
-	info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
-
-	return 0;
-}
-EXPORT_SYMBOL(radeonfb_resize);
 
 static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled)
 {
@@ -129,17 +95,14 @@ static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
 	.gamma_get = radeon_crtc_fb_gamma_get,
 };
 
-int radeonfb_create(struct drm_device *dev,
-		    uint32_t fb_width, uint32_t fb_height,
-		    uint32_t surface_width, uint32_t surface_height,
-		    uint32_t surface_depth, uint32_t surface_bpp,
-		    struct drm_framebuffer **fb_p)
+static int radeonfb_create(struct drm_device *dev,
+			   struct drm_fb_helper_surface_size *sizes,
+			   struct radeon_kernel_fbdev **rfbdev_p)
 {
 	struct radeon_device *rdev = dev->dev_private;
 	struct fb_info *info;
-	struct radeon_fb_device *rfbdev;
+	struct radeon_kernel_fbdev *rfbdev;
 	struct drm_framebuffer *fb = NULL;
-	struct radeon_framebuffer *rfb;
 	struct drm_mode_fb_cmd mode_cmd;
 	struct drm_gem_object *gobj = NULL;
 	struct radeon_bo *rbo = NULL;
@@ -151,17 +114,17 @@ int radeonfb_create(struct drm_device *dev,
 	bool fb_tiled = false; /* useful for testing */
 	u32 tiling_flags = 0;
 
-	mode_cmd.width = surface_width;
-	mode_cmd.height = surface_height;
+	mode_cmd.width = sizes->surface_width;
+	mode_cmd.height = sizes->surface_height;
 
 	/* avivo can't scanout real 24bpp */
-	if ((surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
-		surface_bpp = 32;
+	if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
+		sizes->surface_bpp = 32;
 
-	mode_cmd.bpp = surface_bpp;
+	mode_cmd.bpp = sizes->surface_bpp;
 	/* need to align pitch with crtc limits */
 	mode_cmd.pitch = radeon_align_pitch(rdev, mode_cmd.width, mode_cmd.bpp, fb_tiled) * ((mode_cmd.bpp + 1) / 8);
-	mode_cmd.depth = surface_depth;
+	mode_cmd.depth = sizes->surface_depth;
 
 	size = mode_cmd.pitch * mode_cmd.height;
 	aligned_size = ALIGN(size, PAGE_SIZE);
@@ -172,7 +135,7 @@ int radeonfb_create(struct drm_device *dev,
 			&gobj);
 	if (ret) {
 		printk(KERN_ERR "failed to allocate framebuffer (%d %d)\n",
-		       surface_width, surface_height);
+		       sizes->surface_width, sizes->surface_height);
 		ret = -ENOMEM;
 		goto out;
 	}
@@ -201,12 +164,7 @@ int radeonfb_create(struct drm_device *dev,
 			dev_err(rdev->dev, "FB failed to set tiling flags\n");
 	}
 	mutex_lock(&rdev->ddev->struct_mutex);
-	fb = radeon_framebuffer_create(rdev->ddev, &mode_cmd, gobj);
-	if (fb == NULL) {
-		DRM_ERROR("failed to allocate fb.\n");
-		ret = -ENOMEM;
-		goto out_unref;
-	}
+
 	ret = radeon_bo_reserve(rbo, false);
 	if (unlikely(ret != 0))
 		goto out_unref;
@@ -223,23 +181,25 @@ int radeonfb_create(struct drm_device *dev,
 		goto out_unref;
 	}
 
-	list_add(&fb->filp_head, &rdev->ddev->mode_config.fb_kernel_list);
-
-	*fb_p = fb;
-	rfb = to_radeon_framebuffer(fb);
-	rdev->fbdev_rfb = rfb;
-	rdev->fbdev_rbo = rbo;
-
-	info = framebuffer_alloc(sizeof(struct radeon_fb_device), device);
+	info = framebuffer_alloc(sizeof(struct radeon_kernel_fbdev), device);
 	if (info == NULL) {
 		ret = -ENOMEM;
 		goto out_unref;
 	}
 
-	rdev->fbdev_info = info;
 	rfbdev = info->par;
+	rfbdev->rdev = rdev;
+	radeon_framebuffer_init(dev, &rfbdev->rfb, &mode_cmd, gobj);
+	fb = &rfbdev->rfb.base;
+
+	/* setup helper */
+	rfbdev->helper.fb = fb;
+	rfbdev->helper.fbdev = info;
 	rfbdev->helper.funcs = &radeon_fb_helper_funcs;
 	rfbdev->helper.dev = dev;
+
+	*rfbdev_p = rfbdev;
+
 	ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, rdev->num_crtc,
 					    RADEONFB_CONN_LIMIT);
 	if (ret)
@@ -260,7 +220,7 @@ int radeonfb_create(struct drm_device *dev,
 	info->screen_base = fbptr;
 	info->screen_size = size;
 
-	drm_fb_helper_fill_var(info, fb, fb_width, fb_height);
+	drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
 
 	/* setup aperture base/size for vesafb takeover */
 	info->aperture_base = rdev->ddev->mode_config.fb_base;
@@ -283,9 +243,6 @@ int radeonfb_create(struct drm_device *dev,
 	DRM_INFO("fb depth is %d\n", fb->depth);
 	DRM_INFO("   pitch is %d\n", fb->pitch);
 
-	fb->fbdev = info;
-	rfbdev->rfb = rfb;
-	rfbdev->rdev = rdev;
 
 	mutex_unlock(&rdev->ddev->struct_mutex);
 	vga_switcheroo_client_fb_set(rdev->ddev->pdev, info);
@@ -300,7 +257,6 @@ out_unref:
 		}
 	}
 	if (fb && ret) {
-		list_del(&fb->filp_head);
 		drm_gem_object_unreference(gobj);
 		drm_framebuffer_cleanup(fb);
 		kfree(fb);
@@ -311,6 +267,35 @@ out:
 	return ret;
 }
 
+static int radeon_fb_find_or_create_single(struct drm_device *dev,
+					   struct drm_fb_helper_surface_size *sizes,
+					   struct drm_fb_helper **fb_ptr)
+{
+	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_kernel_fbdev *rfbdev = NULL;
+	int new_fb = 0;
+	int ret;
+
+	if (!rdev->mode_info.rfbdev) {
+		ret = radeonfb_create(dev, sizes,
+				      &rfbdev);
+		if (ret)
+			return ret;
+		rdev->mode_info.rfbdev = rfbdev;
+		new_fb = 1;
+	} else {
+		rfbdev = rdev->mode_info.rfbdev;
+		if (rfbdev->rfb.base.width < sizes->surface_width ||
+		    rfbdev->rfb.base.height < sizes->surface_height) {
+			DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
+			return -EINVAL;
+		}
+	}
+
+	*fb_ptr = &rfbdev->helper;
+	return new_fb;
+}
+
 static char *mode_option;
 int radeon_parse_options(char *options)
 {
@@ -327,7 +312,7 @@ int radeon_parse_options(char *options)
 	return 0;
 }
 
-int radeonfb_probe(struct drm_device *dev)
+static int radeonfb_probe(struct drm_device *dev)
 {
 	struct radeon_device *rdev = dev->dev_private;
 	int bpp_sel = 32;
@@ -336,37 +321,76 @@ int radeonfb_probe(struct drm_device *dev)
 	if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
 		bpp_sel = 8;
 
-	return drm_fb_helper_single_fb_probe(dev, bpp_sel, &radeonfb_create);
+	return drm_fb_helper_single_fb_probe(dev, bpp_sel, &radeon_fb_find_or_create_single);
 }
 
-int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+void radeonfb_hotplug(struct drm_device *dev)
+{
+	drm_helper_fb_hotplug_event(dev);
+
+	radeonfb_probe(dev);
+}
+
+static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_kernel_fbdev *rfbdev)
 {
 	struct fb_info *info;
-	struct radeon_framebuffer *rfb = to_radeon_framebuffer(fb);
+	struct radeon_framebuffer *rfb = &rfbdev->rfb;
 	struct radeon_bo *rbo;
 	int r;
 
-	if (!fb) {
-		return -EINVAL;
-	}
-	info = fb->fbdev;
-	if (info) {
-		struct radeon_fb_device *rfbdev = info->par;
-		rbo = rfb->obj->driver_private;
-		unregister_framebuffer(info);
-		r = radeon_bo_reserve(rbo, false);
-		if (likely(r == 0)) {
-			radeon_bo_kunmap(rbo);
-			radeon_bo_unpin(rbo);
-			radeon_bo_unreserve(rbo);
-		}
-		drm_fb_helper_free(&rfbdev->helper);
-		framebuffer_release(info);
+	rbo = rfb->obj->driver_private;
+	info = rfbdev->helper.fbdev;
+	unregister_framebuffer(info);
+	r = radeon_bo_reserve(rbo, false);
+	if (likely(r == 0)) {
+		radeon_bo_kunmap(rbo);
+		radeon_bo_unpin(rbo);
+		radeon_bo_unreserve(rbo);
 	}
 
-	printk(KERN_INFO "unregistered panic notifier\n");
+	drm_fb_helper_free(&rfbdev->helper);
+	drm_framebuffer_cleanup(&rfb->base);
+	if (rfb->obj)
+		drm_gem_object_unreference_unlocked(rfb->obj);
+
+	framebuffer_release(info);
 
 	return 0;
 }
-EXPORT_SYMBOL(radeonfb_remove);
 MODULE_LICENSE("GPL");
+
+int radeon_fbdev_init(struct radeon_device *rdev)
+{
+	drm_helper_initial_config(rdev->ddev);
+	radeonfb_probe(rdev->ddev);
+	return 0;
+}
+
+void radeon_fbdev_fini(struct radeon_device *rdev)
+{
+	radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev);
+	rdev->mode_info.rfbdev = NULL;
+}
+
+void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
+{
+	fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state);
+}
+
+int radeon_fbdev_total_size(struct radeon_device *rdev)
+{
+	struct radeon_bo *robj;
+	int size = 0;
+
+	robj = rdev->mode_info.rfbdev->rfb.obj->driver_private;
+	size += radeon_bo_size(robj);
+	return size;
+}
+
+bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
+{
+	if (robj == rdev->mode_info.rfbdev->rfb.obj->driver_private)
+		return true;
+	return false;
+}
+
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index ef92d147d8f..28dd3e1b9c3 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -158,8 +158,7 @@ int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
 	args->vram_visible = rdev->mc.real_vram_size;
 	if (rdev->stollen_vga_memory)
 		args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
-	if (rdev->fbdev_rbo)
-		args->vram_visible -= radeon_bo_size(rdev->fbdev_rbo);
+	args->vram_visible -= radeon_fbdev_total_size(rdev);
 	args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 -
 		RADEON_IB_POOL_SIZE*64*1024;
 	return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index a212041e8b0..e7afd80a3d6 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -55,6 +55,8 @@ static void radeon_hotplug_work_func(struct work_struct *work)
 			radeon_connector_hotplug(connector);
 	}
 	/* Just fire off a uevent and let userspace tell us what to do */
+	radeonfb_hotplug(dev);
+
 	drm_sysfs_hotplug_event(dev);
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 0b8e32776b1..1e9138bf559 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -39,6 +39,7 @@
 #include <linux/i2c-algo-bit.h>
 #include "radeon_fixed.h"
 
+struct radeon_bo;
 struct radeon_device;
 
 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
@@ -202,6 +203,8 @@ enum radeon_dvo_chip {
 	DVO_SIL1178,
 };
 
+struct radeon_kernel_fbdev;
+
 struct radeon_mode_info {
 	struct atom_context *atom_context;
 	struct card_info *atom_card_info;
@@ -218,6 +221,9 @@ struct radeon_mode_info {
 	struct drm_property *tmds_pll_property;
 	/* hardcoded DFP edid from BIOS */
 	struct edid *bios_hardcoded_edid;
+
+	/* pointer to fbdev info structure */
+	struct radeon_kernel_fbdev *rfbdev;
 };
 
 #define MAX_H_CODE_TIMING_LEN 32
@@ -532,11 +538,10 @@ extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 				     u16 blue, int regno);
 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 				     u16 *blue, int regno);
-struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
-						  struct drm_mode_fb_cmd *mode_cmd,
-						  struct drm_gem_object *obj);
-
-int radeonfb_probe(struct drm_device *dev);
+void radeon_framebuffer_init(struct drm_device *dev,
+			     struct radeon_framebuffer *rfb,
+			     struct drm_mode_fb_cmd *mode_cmd,
+			     struct drm_gem_object *obj);
 
 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
@@ -573,4 +578,12 @@ void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
 			       struct drm_display_mode *mode,
 			       struct drm_display_mode *adjusted_mode);
+
+/* fbdev layer */
+int radeon_fbdev_init(struct radeon_device *rdev);
+void radeon_fbdev_fini(struct radeon_device *rdev);
+void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
+int radeon_fbdev_total_size(struct radeon_device *rdev);
+bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
+void radeonfb_hotplug(struct drm_device *dev);
 #endif
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 31f9afed0a6..bbc7c4c30bc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -752,14 +752,8 @@ err_not_scanout:
 	return NULL;
 }
 
-static int vmw_kms_fb_changed(struct drm_device *dev)
-{
-	return 0;
-}
-
 static struct drm_mode_config_funcs vmw_kms_funcs = {
 	.fb_create = vmw_kms_fb_create,
-	.fb_changed = vmw_kms_fb_changed,
 };
 
 int vmw_kms_init(struct vmw_private *dev_priv)
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 1347524a8e3..c70814b184e 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -271,8 +271,6 @@ struct drm_framebuffer {
 	unsigned int depth;
 	int bits_per_pixel;
 	int flags;
-	struct fb_info *fbdev;
-	u32 pseudo_palette[17];
 	struct list_head filp_head;
 	/* if you are using the helper */
 	void *helper_private;
@@ -548,16 +546,9 @@ struct drm_mode_set {
 
 /**
  * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
- * @resize: adjust CRTCs as necessary for the proposed layout
- *
- * Currently only a resize hook is available.  DRM will call back into the
- * driver with a new screen width and height.  If the driver can't support
- * the proposed size, it can return false.  Otherwise it should adjust
- * the CRTC<->connector mappings as needed and update its view of the screen.
  */
 struct drm_mode_config_funcs {
 	struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
-	int (*fb_changed)(struct drm_device *dev);
 };
 
 struct drm_mode_group {
@@ -590,9 +581,6 @@ struct drm_mode_config {
 
 	struct list_head property_list;
 
-	/* in-kernel framebuffers - hung of filp_head in drm_framebuffer */
-	struct list_head fb_kernel_list;
-
 	int min_width, min_height;
 	int max_width, max_height;
 	struct drm_mode_config_funcs *funcs;
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index b29e20168b5..ce7aab77f7d 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -97,7 +97,6 @@ struct drm_connector_helper_funcs {
 extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
 extern void drm_helper_disable_unused_functions(struct drm_device *dev);
 extern int drm_helper_hotplug_stage_two(struct drm_device *dev);
-extern bool drm_helper_initial_config(struct drm_device *dev);
 extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
 extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
 				     struct drm_display_mode *mode,
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 58c892a2cbf..38ab0daffd1 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -57,6 +57,15 @@ struct drm_fb_helper_cmdline_mode {
 	bool margins;
 };
 
+struct drm_fb_helper_surface_size {
+	u32 fb_width;
+	u32 fb_height;
+	u32 surface_width;
+	u32 surface_height;
+	u32 surface_bpp;
+	u32 surface_depth;
+};
+
 struct drm_fb_helper_connector {
 	struct drm_fb_helper_cmdline_mode cmdline_mode;
 };
@@ -69,19 +78,16 @@ struct drm_fb_helper {
 	struct drm_fb_helper_crtc *crtc_info;
 	struct drm_fb_helper_funcs *funcs;
 	int conn_limit;
+	struct fb_info *fbdev;
+	u32 pseudo_palette[17];
 	struct list_head kernel_fb_list;
 };
 
 int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 				  int preferred_bpp,
 				  int (*fb_create)(struct drm_device *dev,
-						   uint32_t fb_width,
-						   uint32_t fb_height,
-						   uint32_t surface_width,
-						   uint32_t surface_height,
-						   uint32_t surface_depth,
-						   uint32_t surface_bpp,
-						   struct drm_framebuffer **fb_ptr));
+						   struct drm_fb_helper_surface_size *sizes,
+						   struct drm_fb_helper **fb_ptr));
 int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count,
 				  int max_conn);
 void drm_fb_helper_free(struct drm_fb_helper *helper);
@@ -99,7 +105,7 @@ int drm_fb_helper_setcolreg(unsigned regno,
 			    struct fb_info *info);
 
 void drm_fb_helper_restore(void);
-void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb,
+void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
 			    uint32_t fb_width, uint32_t fb_height);
 void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
 			    uint32_t depth);
@@ -108,4 +114,6 @@ int drm_fb_helper_add_connector(struct drm_connector *connector);
 int drm_fb_helper_parse_command_line(struct drm_device *dev);
 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
 
+bool drm_helper_fb_hotplug_event(struct drm_device *dev);
+bool drm_helper_initial_config(struct drm_device *dev);
 #endif

From 8be48d924c307e72e3797ab5bde81b07a1ccc52d Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 30 Mar 2010 05:34:14 +0000
Subject: [PATCH 0199/3638] drm/kms/fb: move to using fb helper crtc grouping
 instead of core crtc list

This move to using the list of crtcs in the fb helper and cleans up the
whole picking code, now we store the crtc/connectors we want directly
into the modeset and we use the modeset directly to set the mode.

Fixes from James Simmons and Ben Skeggs.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_crtc_helper.c       |   4 -
 drivers/gpu/drm/drm_fb_helper.c         | 327 ++++++++++--------------
 drivers/gpu/drm/i915/i915_drv.h         |   5 +-
 drivers/gpu/drm/i915/intel_fb.c         |  93 ++++---
 drivers/gpu/drm/nouveau/nouveau_drv.h   |   2 +-
 drivers/gpu/drm/nouveau/nouveau_fbcon.c | 123 ++++-----
 drivers/gpu/drm/nouveau/nouveau_fbcon.h |   2 +-
 drivers/gpu/drm/nouveau/nv04_fbcon.c    |  16 +-
 drivers/gpu/drm/nouveau/nv50_fbcon.c    |  16 +-
 drivers/gpu/drm/radeon/radeon_fb.c      | 240 +++++++++--------
 drivers/gpu/drm/radeon/radeon_mode.h    |   4 +-
 include/drm/drm_crtc.h                  |   5 -
 include/drm/drm_fb_helper.h             |  21 +-
 13 files changed, 411 insertions(+), 447 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 9d23f54673d..b142ac260d9 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -625,10 +625,6 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 				ret = -EINVAL;
 				goto fail;
 			}
-			/* TODO are these needed? */
-			set->crtc->desired_x = set->x;
-			set->crtc->desired_y = set->y;
-			set->crtc->desired_mode = set->mode;
 		}
 		drm_helper_disable_unused_functions(dev);
 	} else if (fb_changed) {
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 055b5be7887..2515563063c 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -292,6 +292,7 @@ static void drm_fb_helper_on(struct fb_info *info)
 	struct drm_fb_helper *fb_helper = info->par;
 	struct drm_device *dev = fb_helper->dev;
 	struct drm_crtc *crtc;
+	struct drm_crtc_helper_funcs *crtc_funcs;
 	struct drm_encoder *encoder;
 	int i;
 
@@ -299,33 +300,28 @@ static void drm_fb_helper_on(struct fb_info *info)
 	 * For each CRTC in this fb, turn the crtc on then,
 	 * find all associated encoders and turn them on.
 	 */
+	mutex_lock(&dev->mode_config.mutex);
 	for (i = 0; i < fb_helper->crtc_count; i++) {
-		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-			struct drm_crtc_helper_funcs *crtc_funcs =
-				crtc->helper_private;
+		crtc = fb_helper->crtc_info[i].mode_set.crtc;
+		crtc_funcs = crtc->helper_private;
 
-			/* Only mess with CRTCs in this fb */
-			if (crtc->base.id != fb_helper->crtc_info[i].crtc_id ||
-			    !crtc->enabled)
-				continue;
+		if (!crtc->enabled)
+			continue;
 
-			mutex_lock(&dev->mode_config.mutex);
-			crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-			mutex_unlock(&dev->mode_config.mutex);
+		crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
 
-			/* Found a CRTC on this fb, now find encoders */
-			list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-				if (encoder->crtc == crtc) {
-					struct drm_encoder_helper_funcs *encoder_funcs;
 
-					encoder_funcs = encoder->helper_private;
-					mutex_lock(&dev->mode_config.mutex);
-					encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
-					mutex_unlock(&dev->mode_config.mutex);
-				}
+		/* Found a CRTC on this fb, now find encoders */
+		list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+			if (encoder->crtc == crtc) {
+				struct drm_encoder_helper_funcs *encoder_funcs;
+
+				encoder_funcs = encoder->helper_private;
+				encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
 			}
 		}
 	}
+	mutex_unlock(&dev->mode_config.mutex);
 }
 
 static void drm_fb_helper_off(struct fb_info *info, int dpms_mode)
@@ -333,6 +329,7 @@ static void drm_fb_helper_off(struct fb_info *info, int dpms_mode)
 	struct drm_fb_helper *fb_helper = info->par;
 	struct drm_device *dev = fb_helper->dev;
 	struct drm_crtc *crtc;
+	struct drm_crtc_helper_funcs *crtc_funcs;
 	struct drm_encoder *encoder;
 	int i;
 
@@ -340,32 +337,26 @@ static void drm_fb_helper_off(struct fb_info *info, int dpms_mode)
 	 * For each CRTC in this fb, find all associated encoders
 	 * and turn them off, then turn off the CRTC.
 	 */
+	mutex_lock(&dev->mode_config.mutex);
 	for (i = 0; i < fb_helper->crtc_count; i++) {
-		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-			struct drm_crtc_helper_funcs *crtc_funcs =
-				crtc->helper_private;
+		crtc = fb_helper->crtc_info[i].mode_set.crtc;
+		crtc_funcs = crtc->helper_private;
 
-			/* Only mess with CRTCs in this fb */
-			if (crtc->base.id != fb_helper->crtc_info[i].crtc_id ||
-			    !crtc->enabled)
-				continue;
+		if (!crtc->enabled)
+			continue;
 
-			/* Found a CRTC on this fb, now find encoders */
-			list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-				if (encoder->crtc == crtc) {
-					struct drm_encoder_helper_funcs *encoder_funcs;
+		/* Found a CRTC on this fb, now find encoders */
+		list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+			if (encoder->crtc == crtc) {
+				struct drm_encoder_helper_funcs *encoder_funcs;
 
-					encoder_funcs = encoder->helper_private;
-					mutex_lock(&dev->mode_config.mutex);
-					encoder_funcs->dpms(encoder, dpms_mode);
-					mutex_unlock(&dev->mode_config.mutex);
-				}
+				encoder_funcs = encoder->helper_private;
+				encoder_funcs->dpms(encoder, dpms_mode);
 			}
-			mutex_lock(&dev->mode_config.mutex);
-			crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-			mutex_unlock(&dev->mode_config.mutex);
 		}
+		crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
 	}
+	mutex_unlock(&dev->mode_config.mutex);
 }
 
 int drm_fb_helper_blank(int blank, struct fb_info *info)
@@ -405,17 +396,19 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper)
 	kfree(helper->crtc_info);
 }
 
-int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count, int max_conn_count)
+int drm_fb_helper_init_crtc_count(struct drm_device *dev,
+				  struct drm_fb_helper *helper,
+				  int crtc_count, int max_conn_count)
 {
-	struct drm_device *dev = helper->dev;
 	struct drm_crtc *crtc;
 	int ret = 0;
 	int i;
 
+	INIT_LIST_HEAD(&helper->kernel_fb_list);
+	helper->dev = dev;
 	helper->crtc_info = kcalloc(crtc_count, sizeof(struct drm_fb_helper_crtc), GFP_KERNEL);
 	if (!helper->crtc_info)
 		return -ENOMEM;
-
 	helper->crtc_count = crtc_count;
 
 	for (i = 0; i < crtc_count; i++) {
@@ -507,20 +500,15 @@ static int setcolreg(struct drm_crtc *crtc, u16 red, u16 green,
 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 {
 	struct drm_fb_helper *fb_helper = info->par;
-	struct drm_device *dev = fb_helper->dev;
+	struct drm_crtc_helper_funcs *crtc_funcs;
 	u16 *red, *green, *blue, *transp;
 	struct drm_crtc *crtc;
 	int i, rc = 0;
 	int start;
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-		for (i = 0; i < fb_helper->crtc_count; i++) {
-			if (crtc->base.id == fb_helper->crtc_info[i].crtc_id)
-				break;
-		}
-		if (i == fb_helper->crtc_count)
-			continue;
+	for (i = 0; i < fb_helper->crtc_count; i++) {
+		crtc = fb_helper->crtc_info[i].mode_set.crtc;
+		crtc_funcs = crtc->helper_private;
 
 		red = cmap->red;
 		green = cmap->green;
@@ -556,22 +544,17 @@ int drm_fb_helper_setcolreg(unsigned regno,
 			    struct fb_info *info)
 {
 	struct drm_fb_helper *fb_helper = info->par;
-	struct drm_device *dev = fb_helper->dev;
 	struct drm_crtc *crtc;
+	struct drm_crtc_helper_funcs *crtc_funcs;
 	int i;
 	int ret;
 
 	if (regno > 255)
 		return 1;
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-		for (i = 0; i < fb_helper->crtc_count; i++) {
-			if (crtc->base.id == fb_helper->crtc_info[i].crtc_id)
-				break;
-		}
-		if (i == fb_helper->crtc_count)
-			continue;
+	for (i = 0; i < fb_helper->crtc_count; i++) {
+		crtc = fb_helper->crtc_info[i].mode_set.crtc;
+		crtc_funcs = crtc->helper_private;
 
 		ret = setcolreg(crtc, red, green, blue, regno, info);
 		if (ret)
@@ -686,23 +669,20 @@ int drm_fb_helper_set_par(struct fb_info *info)
 		return -EINVAL;
 	}
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+	mutex_lock(&dev->mode_config.mutex);
+	for (i = 0; i < fb_helper->crtc_count; i++) {
+		crtc = fb_helper->crtc_info[i].mode_set.crtc;
 
-		for (i = 0; i < fb_helper->crtc_count; i++) {
-			if (crtc->base.id == fb_helper->crtc_info[i].crtc_id)
-				break;
-		}
-		if (i == fb_helper->crtc_count)
-			continue;
-
-		if (crtc->fb == fb_helper->crtc_info[i].mode_set.fb) {
-			mutex_lock(&dev->mode_config.mutex);
+		if (crtc->fb != fb_helper->crtc_info[i].mode_set.fb) {
 			ret = crtc->funcs->set_config(&fb_helper->crtc_info[i].mode_set);
-			mutex_unlock(&dev->mode_config.mutex);
-			if (ret)
+
+			if (ret) {
+				mutex_unlock(&dev->mode_config.mutex);
 				return ret;
+			}
 		}
 	}
+	mutex_unlock(&dev->mode_config.mutex);
 	return 0;
 }
 EXPORT_SYMBOL(drm_fb_helper_set_par);
@@ -717,14 +697,9 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
 	int ret = 0;
 	int i;
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		for (i = 0; i < fb_helper->crtc_count; i++) {
-			if (crtc->base.id == fb_helper->crtc_info[i].crtc_id)
-				break;
-		}
-
-		if (i == fb_helper->crtc_count)
-			continue;
+	mutex_lock(&dev->mode_config.mutex);
+	for (i = 0; i < fb_helper->crtc_count; i++) {
+		crtc = fb_helper->crtc_info[i].mode_set.crtc;
 
 		modeset = &fb_helper->crtc_info[i].mode_set;
 
@@ -732,34 +707,29 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
 		modeset->y = var->yoffset;
 
 		if (modeset->num_connectors) {
-			mutex_lock(&dev->mode_config.mutex);
 			ret = crtc->funcs->set_config(modeset);
-			mutex_unlock(&dev->mode_config.mutex);
 			if (!ret) {
 				info->var.xoffset = var->xoffset;
 				info->var.yoffset = var->yoffset;
 			}
 		}
 	}
+	mutex_unlock(&dev->mode_config.mutex);
 	return ret;
 }
 EXPORT_SYMBOL(drm_fb_helper_pan_display);
 
-int drm_fb_helper_single_fb_probe(struct drm_device *dev,
-				  int preferred_bpp,
-				  int (*fb_find_or_create)(struct drm_device *dev,
-							   struct drm_fb_helper_surface_size *sizes,
-							   struct drm_fb_helper **fb_ptr))
+int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
+				  int preferred_bpp)
 {
-	struct drm_crtc *crtc;
+	struct drm_device *dev = fb_helper->dev;
 	struct drm_connector *connector;
 	int new_fb = 0;
 	int crtc_count = 0;
-	int ret, i, conn_count = 0;
+	int ret, i;
 	struct fb_info *info;
-	struct drm_mode_set *modeset = NULL;
-	struct drm_fb_helper *fb_helper;
 	struct drm_fb_helper_surface_size sizes;
+	int gamma_size = 0;
 
 	memset(&sizes, 0, sizeof(struct drm_fb_helper_surface_size));
 	sizes.surface_depth = 24;
@@ -775,7 +745,6 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 	/* first up get a count of crtcs now in use and new min/maxes width/heights */
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
-
 		struct drm_fb_helper_cmdline_mode *cmdline_mode;
 
 		if (!fb_help_conn)
@@ -807,21 +776,22 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 		}
 	}
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (drm_helper_crtc_in_use(crtc)) {
-			if (crtc->desired_mode) {
-				if (crtc->desired_mode->hdisplay < sizes.fb_width)
-					sizes.fb_width = crtc->desired_mode->hdisplay;
+	crtc_count = 0;
+	for (i = 0; i < fb_helper->crtc_count; i++) {
+		struct drm_display_mode *desired_mode;
+		desired_mode = fb_helper->crtc_info[i].desired_mode;
 
-				if (crtc->desired_mode->vdisplay < sizes.fb_height)
-					sizes.fb_height = crtc->desired_mode->vdisplay;
-
-				if (crtc->desired_mode->hdisplay > sizes.surface_width)
-					sizes.surface_width = crtc->desired_mode->hdisplay;
-
-				if (crtc->desired_mode->vdisplay > sizes.surface_height)
-					sizes.surface_height = crtc->desired_mode->vdisplay;
-			}
+		if (desired_mode) {
+			if (gamma_size == 0)
+				gamma_size = fb_helper->crtc_info[i].mode_set.crtc->gamma_size;
+			if (desired_mode->hdisplay < sizes.fb_width)
+				sizes.fb_width = desired_mode->hdisplay;
+			if (desired_mode->vdisplay < sizes.fb_height)
+				sizes.fb_height = desired_mode->vdisplay;
+			if (desired_mode->hdisplay > sizes.surface_width)
+				sizes.surface_width = desired_mode->hdisplay;
+			if (desired_mode->vdisplay > sizes.surface_height)
+				sizes.surface_height = desired_mode->vdisplay;
 			crtc_count++;
 		}
 	}
@@ -833,48 +803,20 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 	}
 
 	/* push down into drivers */
-	new_fb = (*fb_find_or_create)(dev, &sizes,
-				      &fb_helper);
+	new_fb = (*fb_helper->fb_probe)(fb_helper, &sizes);
 	if (new_fb < 0)
 		return new_fb;
 
 	info = fb_helper->fbdev;
 
-	crtc_count = 0;
-	/* okay we need to setup new connector sets in the crtcs */
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		modeset = &fb_helper->crtc_info[crtc_count].mode_set;
-		modeset->fb = fb_helper->fb;
-		conn_count = 0;
-		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-			if (connector->encoder)
-				if (connector->encoder->crtc == modeset->crtc) {
-					modeset->connectors[conn_count] = connector;
-					conn_count++;
-					if (conn_count > fb_helper->conn_limit)
-						BUG();
-				}
-		}
-
-		for (i = conn_count; i < fb_helper->conn_limit; i++)
-			modeset->connectors[i] = NULL;
-
-		modeset->crtc = crtc;
-		crtc_count++;
-
-		modeset->num_connectors = conn_count;
-		if (modeset->crtc->desired_mode) {
-			if (modeset->mode)
-				drm_mode_destroy(dev, modeset->mode);
-			modeset->mode = drm_mode_duplicate(dev,
-							   modeset->crtc->desired_mode);
-		}
+	/* set the fb pointer */
+	for (i = 0; i < fb_helper->crtc_count; i++) {
+		fb_helper->crtc_info[i].mode_set.fb = fb_helper->fb;
 	}
-	fb_helper->crtc_count = crtc_count;
 
 	if (new_fb) {
 		info->var.pixclock = 0;
-		ret = fb_alloc_cmap(&info->cmap, modeset->crtc->gamma_size, 0);
+		ret = fb_alloc_cmap(&info->cmap, gamma_size, 0);
 		if (ret)
 			return ret;
 		if (register_framebuffer(info) < 0) {
@@ -906,15 +848,18 @@ EXPORT_SYMBOL(drm_fb_helper_single_fb_probe);
 
 void drm_fb_helper_free(struct drm_fb_helper *helper)
 {
-	list_del(&helper->kernel_fb_list);
-	if (list_empty(&kernel_fb_helper_list)) {
-		printk(KERN_INFO "unregistered panic notifier\n");
-		atomic_notifier_chain_unregister(&panic_notifier_list,
-						 &paniced);
-		unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
+	if (!list_empty(&helper->kernel_fb_list)) {
+		list_del(&helper->kernel_fb_list);
+		if (list_empty(&kernel_fb_helper_list)) {
+			printk(KERN_INFO "unregistered panic notifier\n");
+			atomic_notifier_chain_unregister(&panic_notifier_list,
+							 &paniced);
+			unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
+		}
 	}
 	drm_fb_helper_crtc_free(helper);
-	fb_dealloc_cmap(&helper->fbdev->cmap);
+	if (helper->fbdev->cmap.len)
+		fb_dealloc_cmap(&helper->fbdev->cmap);
 }
 EXPORT_SYMBOL(drm_fb_helper_free);
 
@@ -1168,20 +1113,21 @@ static bool drm_target_preferred(struct drm_device *dev,
 	return true;
 }
 
-static int drm_pick_crtcs(struct drm_device *dev,
-			  struct drm_crtc **best_crtcs,
+static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
+			  struct drm_fb_helper_crtc **best_crtcs,
 			  struct drm_display_mode **modes,
 			  int n, int width, int height)
 {
 	int c, o;
+	struct drm_device *dev = fb_helper->dev;
 	struct drm_connector *connector;
 	struct drm_connector_helper_funcs *connector_funcs;
 	struct drm_encoder *encoder;
-	struct drm_crtc *best_crtc;
+	struct drm_fb_helper_crtc *best_crtc;
 	int my_score, best_score, score;
-	struct drm_crtc **crtcs, *crtc;
+	struct drm_fb_helper_crtc **crtcs, *crtc;
 
-	if (n == dev->mode_config.num_connector)
+	if (n == fb_helper->dev->mode_config.num_connector)
 		return 0;
 	c = 0;
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
@@ -1192,12 +1138,12 @@ static int drm_pick_crtcs(struct drm_device *dev,
 
 	best_crtcs[n] = NULL;
 	best_crtc = NULL;
-	best_score = drm_pick_crtcs(dev, best_crtcs, modes, n+1, width, height);
+	best_score = drm_pick_crtcs(fb_helper, best_crtcs, modes, n+1, width, height);
 	if (modes[n] == NULL)
 		return best_score;
 
-	crtcs = kmalloc(dev->mode_config.num_connector *
-			sizeof(struct drm_crtc *), GFP_KERNEL);
+	crtcs = kzalloc(dev->mode_config.num_connector *
+			sizeof(struct drm_fb_helper_crtc *), GFP_KERNEL);
 	if (!crtcs)
 		return best_score;
 
@@ -1214,15 +1160,12 @@ static int drm_pick_crtcs(struct drm_device *dev,
 	if (!encoder)
 		goto out;
 
-	connector->encoder = encoder;
-
 	/* select a crtc for this connector and then attempt to configure
 	   remaining connectors */
-	c = 0;
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+	for (c = 0; c < fb_helper->crtc_count; c++) {
+		crtc = &fb_helper->crtc_info[c];
 
 		if ((encoder->possible_crtcs & (1 << c)) == 0) {
-			c++;
 			continue;
 		}
 
@@ -1232,34 +1175,34 @@ static int drm_pick_crtcs(struct drm_device *dev,
 
 		if (o < n) {
 			/* ignore cloning for now */
-			c++;
 			continue;
 		}
 
 		crtcs[n] = crtc;
-		memcpy(crtcs, best_crtcs, n * sizeof(struct drm_crtc *));
-		score = my_score + drm_pick_crtcs(dev, crtcs, modes, n + 1,
+		memcpy(crtcs, best_crtcs, n * sizeof(struct drm_fb_helper_crtc *));
+		score = my_score + drm_pick_crtcs(fb_helper, crtcs, modes, n + 1,
 						  width, height);
 		if (score > best_score) {
 			best_crtc = crtc;
 			best_score = score;
 			memcpy(best_crtcs, crtcs,
 			       dev->mode_config.num_connector *
-			       sizeof(struct drm_crtc *));
+			       sizeof(struct drm_fb_helper_crtc *));
 		}
-		c++;
 	}
 out:
 	kfree(crtcs);
 	return best_score;
 }
 
-static void drm_setup_crtcs(struct drm_device *dev)
+static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
 {
-	struct drm_crtc **crtcs;
+	struct drm_device *dev = fb_helper->dev;
+	struct drm_fb_helper_crtc **crtcs;
 	struct drm_display_mode **modes;
 	struct drm_encoder *encoder;
 	struct drm_connector *connector;
+	struct drm_mode_set *modeset;
 	bool *enabled;
 	int width, height;
 	int i, ret;
@@ -1275,7 +1218,7 @@ static void drm_setup_crtcs(struct drm_device *dev)
 	}
 
 	crtcs = kcalloc(dev->mode_config.num_connector,
-			sizeof(struct drm_crtc *), GFP_KERNEL);
+			sizeof(struct drm_fb_helper_crtc *), GFP_KERNEL);
 	modes = kcalloc(dev->mode_config.num_connector,
 			sizeof(struct drm_display_mode *), GFP_KERNEL);
 	enabled = kcalloc(dev->mode_config.num_connector,
@@ -1289,26 +1232,30 @@ static void drm_setup_crtcs(struct drm_device *dev)
 
 	DRM_DEBUG_KMS("picking CRTCs for %dx%d config\n", width, height);
 
-	drm_pick_crtcs(dev, crtcs, modes, 0, width, height);
+	drm_pick_crtcs(fb_helper, crtcs, modes, 0, width, height);
+
+	/* need to set the modesets up here for use later */
+	/* fill out the connector<->crtc mappings into the modesets */
+	for (i = 0; i < fb_helper->crtc_count; i++) {
+		modeset = &fb_helper->crtc_info[i].mode_set;
+		modeset->num_connectors = 0;
+	}
 
 	i = 0;
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		struct drm_display_mode *mode = modes[i];
-		struct drm_crtc *crtc = crtcs[i];
+		struct drm_fb_helper_crtc *fb_crtc = crtcs[i];
+		modeset = &fb_crtc->mode_set;
 
-		if (connector->encoder == NULL) {
-			i++;
-			continue;
-		}
-
-		if (mode && crtc) {
+		if (mode && fb_crtc) {
 			DRM_DEBUG_KMS("desired mode %s set on crtc %d\n",
-				  mode->name, crtc->base.id);
-			crtc->desired_mode = mode;
-			connector->encoder->crtc = crtc;
-		} else {
-			connector->encoder->crtc = NULL;
-			connector->encoder = NULL;
+				      mode->name, fb_crtc->mode_set.crtc->base.id);
+			fb_crtc->desired_mode = mode;
+			if (modeset->mode)
+				drm_mode_destroy(dev, modeset->mode);
+			modeset->mode = drm_mode_duplicate(dev,
+							   fb_crtc->desired_mode);
+			modeset->connectors[modeset->num_connectors++] = connector;
 		}
 		i++;
 	}
@@ -1332,14 +1279,15 @@ static void drm_setup_crtcs(struct drm_device *dev)
  * RETURNS:
  * Zero if everything went ok, nonzero otherwise.
  */
-bool drm_helper_initial_config(struct drm_device *dev)
+bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
 {
+	struct drm_device *dev = fb_helper->dev;
 	int count = 0;
 
 	/* disable all the possible outputs/crtcs before entering KMS mode */
-	drm_helper_disable_unused_functions(dev);
+	drm_helper_disable_unused_functions(fb_helper->dev);
 
-	drm_fb_helper_parse_command_line(dev);
+	drm_fb_helper_parse_command_line(fb_helper->dev);
 
 	count = drm_helper_probe_connector_modes(dev,
 						 dev->mode_config.max_width,
@@ -1351,20 +1299,21 @@ bool drm_helper_initial_config(struct drm_device *dev)
 	if (count == 0)
 		printk(KERN_INFO "No connectors reported connected with modes\n");
 
-	drm_setup_crtcs(dev);
+	drm_setup_crtcs(fb_helper);
 
 	return 0;
 }
-EXPORT_SYMBOL(drm_helper_initial_config);
+EXPORT_SYMBOL(drm_fb_helper_initial_config);
 
-bool drm_helper_fb_hotplug_event(struct drm_device *dev)
+bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
+				 u32 max_width, u32 max_height)
 {
 	DRM_DEBUG_KMS("\n");
 
-	drm_helper_probe_connector_modes(dev, dev->mode_config.max_width,
-					 dev->mode_config.max_height);
+	drm_helper_probe_connector_modes(fb_helper->dev, max_width,
+					 max_height);
 
-	drm_setup_crtcs(dev);
+	drm_setup_crtcs(fb_helper);
 
 	return true;
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 601f354e467..0405a746059 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -220,7 +220,7 @@ enum no_fbc_reason {
 	FBC_NOT_TILED, /* buffer not tiled */
 };
 
-struct intel_kernel_fbdev;
+struct intel_fbdev;
 
 typedef struct drm_i915_private {
 	struct drm_device *dev;
@@ -630,7 +630,8 @@ typedef struct drm_i915_private {
 
 	enum no_fbc_reason no_fbc_reason;
 
-	struct intel_kernel_fbdev *fbdev;
+	/* list of fbdev register on this device */
+	struct intel_fbdev *fbdev;
 } drm_i915_private_t;
 
 /** driver private structure attached to each drm_gem_object */
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index b0de9bbde34..ff6912edf0c 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -45,7 +45,7 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
-struct intel_kernel_fbdev {
+struct intel_fbdev {
 	struct drm_fb_helper helper;
 	struct intel_framebuffer ifb;
 	struct list_head fbdev_list;
@@ -71,14 +71,12 @@ static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
 };
 
 
-static int intelfb_create(struct drm_device *dev,
-			  struct drm_fb_helper_surface_size *sizes,
-			  struct intel_kernel_fbdev **ifbdev_p)
+static int intelfb_create(struct intel_fbdev *ifbdev,
+			  struct drm_fb_helper_surface_size *sizes)
 {
+	struct drm_device *dev = ifbdev->helper.dev;
 	struct fb_info *info;
-	struct intel_kernel_fbdev *ifbdev;
 	struct drm_framebuffer *fb;
-	struct intel_framebuffer *intel_fb;
 	struct drm_mode_fb_cmd mode_cmd;
 	struct drm_gem_object *fbo = NULL;
 	struct drm_i915_gem_object *obj_priv;
@@ -117,13 +115,14 @@ static int intelfb_create(struct drm_device *dev,
 	/* Flush everything out, we'll be doing GTT only from now on */
 	i915_gem_object_set_to_gtt_domain(fbo, 1);
 
-	info = framebuffer_alloc(sizeof(struct intel_kernel_fbdev), device);
+	info = framebuffer_alloc(0, device);
 	if (!info) {
 		ret = -ENOMEM;
 		goto out_unpin;
 	}
 
-	ifbdev = info->par;
+	info->par = ifbdev;
+
 	intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, fbo);
 
 	fb = &ifbdev->ifb.base;
@@ -131,22 +130,12 @@ static int intelfb_create(struct drm_device *dev,
 	ifbdev->helper.fb = fb;
 	ifbdev->helper.fbdev = info;
 	ifbdev->helper.funcs = &intel_fb_helper_funcs;
-	ifbdev->helper.dev = dev;
-
-	*ifbdev_p = ifbdev;
-
-	ret = drm_fb_helper_init_crtc_count(&ifbdev->helper, 2,
-					    INTELFB_CONN_LIMIT);
-	if (ret)
-		goto out_unref;
 
 	strcpy(info->fix.id, "inteldrmfb");
 
 	info->flags = FBINFO_DEFAULT;
-
 	info->fbops = &intelfb_ops;
 
-
 	/* setup aperture base/size for vesafb takeover */
 	info->aperture_base = dev->mode_config.fb_base;
 	if (IS_I9XX(dev))
@@ -183,8 +172,8 @@ static int intelfb_create(struct drm_device *dev,
 	info->pixmap.scan_align = 1;
 
 	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n",
-			intel_fb->base.width, intel_fb->base.height,
-			obj_priv->gtt_offset, fbo);
+		      fb->width, fb->height,
+		      obj_priv->gtt_offset, fbo);
 
 
 	mutex_unlock(&dev->struct_mutex);
@@ -200,76 +189,80 @@ out:
 	return ret;
 }
 
-static int intel_fb_find_or_create_single(struct drm_device *dev,
-					  struct drm_fb_helper_surface_size *sizes,
-					  struct drm_fb_helper **fb_ptr)
+static int intel_fb_find_or_create_single(struct drm_fb_helper *helper,
+					  struct drm_fb_helper_surface_size *sizes)
 {
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	struct intel_kernel_fbdev *ifbdev = NULL;
+	struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper;
 	int new_fb = 0;
 	int ret;
 
-	if (!dev_priv->fbdev) {
-		ret = intelfb_create(dev, sizes,
-				     &ifbdev);
+	if (!helper->fb) {
+		ret = intelfb_create(ifbdev, sizes);
 		if (ret)
 			return ret;
-
-		dev_priv->fbdev = ifbdev;
 		new_fb = 1;
-	} else {
-		ifbdev = dev_priv->fbdev;
-		if (ifbdev->ifb.base.width < sizes->surface_width ||
-		    ifbdev->ifb.base.height < sizes->surface_height) {
-			DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
-			return -EINVAL;
-		}
 	}
-
-	*fb_ptr = &ifbdev->helper;
 	return new_fb;
 }
 
-static int intelfb_probe(struct drm_device *dev)
+static int intelfb_probe(struct intel_fbdev *ifbdev)
 {
 	int ret;
 
 	DRM_DEBUG_KMS("\n");
-	ret = drm_fb_helper_single_fb_probe(dev, 32, intel_fb_find_or_create_single);
+	ret = drm_fb_helper_single_fb_probe(&ifbdev->helper, 32);
 	return ret;
 }
 
 int intel_fbdev_destroy(struct drm_device *dev,
-			struct intel_kernel_fbdev *ifbdev)
+			struct intel_fbdev *ifbdev)
 {
 	struct fb_info *info;
 	struct intel_framebuffer *ifb = &ifbdev->ifb;
 
-	info = ifbdev->helper.fbdev;
+	if (ifbdev->helper.fbdev) {
+		info = ifbdev->helper.fbdev;
+		unregister_framebuffer(info);
+		iounmap(info->screen_base);
+		framebuffer_release(info);
+	}
 
-	unregister_framebuffer(info);
-	iounmap(info->screen_base);
 	drm_fb_helper_free(&ifbdev->helper);
 
 	drm_framebuffer_cleanup(&ifb->base);
-	drm_gem_object_unreference_unlocked(ifb->obj);
-
-	framebuffer_release(info);
+	if (ifb->obj)
+		drm_gem_object_unreference_unlocked(ifb->obj);
 
 	return 0;
 }
 
 int intel_fbdev_init(struct drm_device *dev)
 {
-	drm_helper_initial_config(dev);
-	intelfb_probe(dev);
+	struct intel_fbdev *ifbdev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+
+	ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL);
+	if (!ifbdev)
+		return -ENOMEM;
+
+	dev_priv->fbdev = ifbdev;
+
+	drm_fb_helper_init_crtc_count(dev, &ifbdev->helper, 2,
+				      INTELFB_CONN_LIMIT);
+	ifbdev->helper.fb_probe = intel_fb_find_or_create_single;
+	drm_fb_helper_initial_config(&ifbdev->helper);
+	intelfb_probe(ifbdev);
 	return 0;
 }
 
 void intel_fbdev_fini(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
+	if (!dev_priv->fbdev)
+		return;
+
 	intel_fbdev_destroy(dev, dev_priv->fbdev);
+	kfree(dev_priv->fbdev);
 	dev_priv->fbdev = NULL;
 }
 MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 93459e07e82..941339cb8d8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -627,7 +627,7 @@ struct drm_nouveau_private {
 		struct dentry *channel_root;
 	} debugfs;
 
-	struct nouveau_fbcon_par *nfbdev;
+	struct nouveau_fbdev *nfbdev;
 };
 
 static inline struct drm_nouveau_private *
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 712ee42e3cf..90843b62d9b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -53,8 +53,8 @@
 static int
 nouveau_fbcon_sync(struct fb_info *info)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 	int ret, i;
@@ -200,9 +200,9 @@ not_fb:
 #endif
 
 static void
-nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbcon_par *fbpar)
+nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
 {
-	struct fb_info *info = fbpar->helper.fbdev;
+	struct fb_info *info = nfbdev->helper.fbdev;
 	struct fb_fillrect rect;
 
 	/* Clear the entire fbcon.  The drm will program every connector
@@ -218,13 +218,12 @@ nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbcon_par *fbpar)
 }
 
 static int
-nouveau_fbcon_create(struct drm_device *dev,
-		     struct drm_fb_helper_surface_size *sizes,
-		     struct nouveau_fbcon_par **fbpar_p)
+nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
+		     struct drm_fb_helper_surface_size *sizes)
 {
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct fb_info *info;
-	struct nouveau_fbcon_par *par;
 	struct drm_framebuffer *fb;
 	struct nouveau_framebuffer *nouveau_fb;
 	struct nouveau_bo *nvbo;
@@ -267,27 +266,23 @@ nouveau_fbcon_create(struct drm_device *dev,
 
 	mutex_lock(&dev->struct_mutex);
 
-	info = framebuffer_alloc(sizeof(struct nouveau_fbcon_par), device);
+	info = framebuffer_alloc(0, device);
 	if (!info) {
 		ret = -ENOMEM;
 		goto out_unref;
 	}
 
-	par = info->par;
-	nouveau_framebuffer_init(dev, &par->nouveau_fb, &mode_cmd, nvbo);
+	info->par = nfbdev;
+
+	nouveau_framebuffer_init(dev, &nfbdev->nouveau_fb, &mode_cmd, nvbo);
+
+	nouveau_fb = &nfbdev->nouveau_fb;
+	fb = &nouveau_fb->base;
 
-	fb = &par->nouveau_fb.base;
 	/* setup helper */
-	par->helper.fb = fb;
-	par->helper.fbdev = info;
-	par->helper.funcs = &nouveau_fbcon_helper_funcs;
-	par->helper.dev = dev;
-
-	*fbpar_p = par;
-
-	ret = drm_fb_helper_init_crtc_count(&par->helper, 2, 4);
-	if (ret)
-		goto out_unref;
+	nfbdev->helper.fb = fb;
+	nfbdev->helper.fbdev = info;
+	nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs;
 
 	strcpy(info->fix.id, "nouveaufb");
 	if (nouveau_nofbaccel)
@@ -305,7 +300,7 @@ nouveau_fbcon_create(struct drm_device *dev,
 	info->screen_size = size;
 
 	drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
-	drm_fb_helper_fill_var(info, &par->helper, sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_var(info, &nfbdev->helper, sizes->fb_width, sizes->fb_height);
 
 	/* FIXME: we really shouldn't expose mmio space at all */
 	info->fix.mmio_start = pci_resource_start(dev->pdev, 1);
@@ -338,8 +333,6 @@ nouveau_fbcon_create(struct drm_device *dev,
 	info->pixmap.flags = FB_PIXMAP_SYSTEM;
 	info->pixmap.scan_align = 1;
 
-	par->dev = dev;
-
 	if (dev_priv->channel && !nouveau_nofbaccel) {
 		switch (dev_priv->card_type) {
 		case NV_50:
@@ -353,7 +346,7 @@ nouveau_fbcon_create(struct drm_device *dev,
 		};
 	}
 
-	nouveau_fbcon_zfill(dev, par);
+	nouveau_fbcon_zfill(dev, nfbdev);
 
 	/* To allow resizeing without swapping buffers */
 	NV_INFO(dev, "allocated %dx%d fb: 0x%lx, bo %p\n",
@@ -372,66 +365,56 @@ out:
 }
 
 static int
-nouveau_fbcon_find_or_create_single(struct drm_device *dev,
-				    struct drm_fb_helper_surface_size *sizes,
-				    struct drm_fb_helper **fb_ptr)
+nouveau_fbcon_find_or_create_single(struct drm_fb_helper *helper,
+				    struct drm_fb_helper_surface_size *sizes)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_fbcon_par *fbpar;
+	struct nouveau_fbdev *nfbdev = (struct nouveau_fbdev *)helper;
 	int new_fb = 0;
 	int ret;
 
-	if (!dev_priv->nfbdev) {
-		ret = nouveau_fbcon_create(dev, sizes,
-					   &fbpar);
+	if (!helper->fb) {
+		ret = nouveau_fbcon_create(nfbdev, sizes);
 		if (ret)
 			return ret;
-		dev_priv->nfbdev = fbpar;
 		new_fb = 1;
-	} else {
-		fbpar = dev_priv->nfbdev;
-		if (fbpar->nouveau_fb.base.width < sizes->surface_width ||
-		    fbpar->nouveau_fb.base.height < sizes->surface_height) {
-			DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
-			return -EINVAL;
-		}
 	}
-	*fb_ptr = &fbpar->helper;
 	return new_fb;
 }
 
 static int
-nouveau_fbcon_probe(struct drm_device *dev)
+nouveau_fbcon_probe(struct nouveau_fbdev *nfbdev)
 {
-	NV_DEBUG_KMS(dev, "\n");
+	NV_DEBUG_KMS(nfbdev->dev, "\n");
 
-	return drm_fb_helper_single_fb_probe(dev, 32, nouveau_fbcon_find_or_create_single);
+	return drm_fb_helper_single_fb_probe(&nfbdev->helper, 32);
 }
 
 int
-nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbcon_par *fbpar)
+nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
 {
-	struct nouveau_framebuffer *nouveau_fb = &fbpar->nouveau_fb;
+	struct nouveau_framebuffer *nouveau_fb = &nfbdev->nouveau_fb;
 	struct fb_info *info;
 
-	info = fbpar->helper.fbdev;
-
-	unregister_framebuffer(info);
-	nouveau_bo_unmap(nouveau_fb->nvbo);
-	drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
-	nouveau_fb->nvbo = NULL;
-	drm_fb_helper_free(&fbpar->helper);
+	if (nfbdev->helper.fbdev) {
+		info = nfbdev->helper.fbdev;
+		unregister_framebuffer(info);
+		framebuffer_release(info);
+	}
 
+	if (nouveau_fb->nvbo) {
+		nouveau_bo_unmap(nouveau_fb->nvbo);
+		drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
+		nouveau_fb->nvbo = NULL;
+	}
+	drm_fb_helper_free(&nfbdev->helper);
 	drm_framebuffer_cleanup(&nouveau_fb->base);
-	framebuffer_release(info);
-
 	return 0;
 }
 
 void nouveau_fbcon_gpu_lockup(struct fb_info *info)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 
 	NV_ERROR(dev, "GPU lockup - switching to software fbcon\n");
 	info->flags |= FBINFO_HWACCEL_DISABLED;
@@ -439,15 +422,33 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info)
 
 int nouveau_fbcon_init(struct drm_device *dev)
 {
-	drm_helper_initial_config(dev);
-	nouveau_fbcon_probe(dev);
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nouveau_fbdev *nfbdev;
+
+	nfbdev = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL);
+	if (!nfbdev)
+		return -ENOMEM;
+
+	nfbdev->dev = dev;
+	dev_priv->nfbdev = nfbdev;
+
+	drm_fb_helper_init_crtc_count(dev, &nfbdev->helper,
+				      2, 4);
+	nfbdev->helper.fb_probe = nouveau_fbcon_find_or_create_single;
+	drm_fb_helper_initial_config(&nfbdev->helper);
+	nouveau_fbcon_probe(nfbdev);
 	return 0;
 }
 
 void nouveau_fbcon_fini(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+	if (!dev_priv->nfbdev)
+		return;
+
 	nouveau_fbcon_destroy(dev, dev_priv->nfbdev);
+	kfree(dev_priv->nfbdev);
 	dev_priv->nfbdev = NULL;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.h b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
index fa66cb9fa4d..7835b568555 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
@@ -30,7 +30,7 @@
 #include "drm_fb_helper.h"
 
 #include "nouveau_fb.h"
-struct nouveau_fbcon_par {
+struct nouveau_fbdev {
 	struct drm_fb_helper helper;
 	struct nouveau_framebuffer nouveau_fb;
 	struct list_head fbdev_list;
diff --git a/drivers/gpu/drm/nouveau/nv04_fbcon.c b/drivers/gpu/drm/nouveau/nv04_fbcon.c
index 813b25cec72..603090ee6ac 100644
--- a/drivers/gpu/drm/nouveau/nv04_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv04_fbcon.c
@@ -30,8 +30,8 @@
 void
 nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 
@@ -57,8 +57,8 @@ nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
 void
 nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 
@@ -91,8 +91,8 @@ nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 void
 nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 	uint32_t fg;
@@ -179,8 +179,8 @@ nv04_fbcon_grobj_new(struct drm_device *dev, int class, uint32_t handle)
 int
 nv04_fbcon_accel_init(struct fb_info *info)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 	const int sub = NvSubCtxSurf2D;
diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c b/drivers/gpu/drm/nouveau/nv50_fbcon.c
index 25a3cd8794f..f2410489cd3 100644
--- a/drivers/gpu/drm/nouveau/nv50_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c
@@ -6,8 +6,8 @@
 void
 nv50_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 
@@ -49,8 +49,8 @@ nv50_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 void
 nv50_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 
@@ -84,8 +84,8 @@ nv50_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
 void
 nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 	uint32_t width, dwords, *data = (uint32_t *)image->data;
@@ -152,8 +152,8 @@ nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
 int
 nv50_fbcon_accel_init(struct fb_info *info)
 {
-	struct nouveau_fbcon_par *par = info->par;
-	struct drm_device *dev = par->dev;
+	struct nouveau_fbdev *nfbdev = info->par;
+	struct drm_device *dev = nfbdev->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan = dev_priv->channel;
 	struct nouveau_gpuobj *eng2d = NULL;
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index a7e4c2a89ee..705425defba 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -23,10 +23,6 @@
  * Authors:
  *     David Airlie
  */
-    /*
-     *  Modularization
-     */
-
 #include <linux/module.h>
 #include <linux/fb.h>
 
@@ -45,7 +41,7 @@
    this contains a helper + a radeon fb
    the helper contains a pointer to radeon framebuffer baseclass.
 */
-struct radeon_kernel_fbdev {
+struct radeon_fbdev {
 	struct drm_fb_helper helper;
 	struct radeon_framebuffer rfb;
 	struct list_head fbdev_list;
@@ -95,49 +91,44 @@ static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
 	.gamma_get = radeon_crtc_fb_gamma_get,
 };
 
-static int radeonfb_create(struct drm_device *dev,
-			   struct drm_fb_helper_surface_size *sizes,
-			   struct radeon_kernel_fbdev **rfbdev_p)
+static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
 {
-	struct radeon_device *rdev = dev->dev_private;
-	struct fb_info *info;
-	struct radeon_kernel_fbdev *rfbdev;
-	struct drm_framebuffer *fb = NULL;
-	struct drm_mode_fb_cmd mode_cmd;
+	struct radeon_bo *rbo = gobj->driver_private;
+	int ret;
+
+	ret = radeon_bo_reserve(rbo, false);
+	if (likely(ret == 0)) {
+		radeon_bo_kunmap(rbo);
+		radeon_bo_unreserve(rbo);
+	}
+	drm_gem_object_unreference_unlocked(gobj);
+}
+
+static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
+					 struct drm_mode_fb_cmd *mode_cmd,
+					 struct drm_gem_object **gobj_p)
+{
+	struct radeon_device *rdev = rfbdev->rdev;
 	struct drm_gem_object *gobj = NULL;
 	struct radeon_bo *rbo = NULL;
-	struct device *device = &rdev->pdev->dev;
-	int size, aligned_size, ret;
-	u64 fb_gpuaddr;
-	void *fbptr = NULL;
-	unsigned long tmp;
 	bool fb_tiled = false; /* useful for testing */
 	u32 tiling_flags = 0;
+	int ret;
+	int aligned_size, size;
 
-	mode_cmd.width = sizes->surface_width;
-	mode_cmd.height = sizes->surface_height;
-
-	/* avivo can't scanout real 24bpp */
-	if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
-		sizes->surface_bpp = 32;
-
-	mode_cmd.bpp = sizes->surface_bpp;
 	/* need to align pitch with crtc limits */
-	mode_cmd.pitch = radeon_align_pitch(rdev, mode_cmd.width, mode_cmd.bpp, fb_tiled) * ((mode_cmd.bpp + 1) / 8);
-	mode_cmd.depth = sizes->surface_depth;
+	mode_cmd->pitch = radeon_align_pitch(rdev, mode_cmd->width, mode_cmd->bpp, fb_tiled) * ((mode_cmd->bpp + 1) / 8);
 
-	size = mode_cmd.pitch * mode_cmd.height;
+	size = mode_cmd->pitch * mode_cmd->height;
 	aligned_size = ALIGN(size, PAGE_SIZE);
-
 	ret = radeon_gem_object_create(rdev, aligned_size, 0,
-			RADEON_GEM_DOMAIN_VRAM,
-			false, ttm_bo_type_kernel,
-			&gobj);
+				       RADEON_GEM_DOMAIN_VRAM,
+				       false, ttm_bo_type_kernel,
+				       &gobj);
 	if (ret) {
-		printk(KERN_ERR "failed to allocate framebuffer (%d %d)\n",
-		       sizes->surface_width, sizes->surface_height);
-		ret = -ENOMEM;
-		goto out;
+		printk(KERN_ERR "failed to allocate framebuffer (%d)\n",
+		       aligned_size);
+		return -ENOMEM;
 	}
 	rbo = gobj->driver_private;
 
@@ -145,7 +136,7 @@ static int radeonfb_create(struct drm_device *dev,
 		tiling_flags = RADEON_TILING_MACRO;
 
 #ifdef __BIG_ENDIAN
-	switch (mode_cmd.bpp) {
+	switch (mode_cmd->bpp) {
 	case 32:
 		tiling_flags |= RADEON_TILING_SWAP_32BIT;
 		break;
@@ -158,54 +149,82 @@ static int radeonfb_create(struct drm_device *dev,
 
 	if (tiling_flags) {
 		ret = radeon_bo_set_tiling_flags(rbo,
-					tiling_flags | RADEON_TILING_SURFACE,
-					mode_cmd.pitch);
+						 tiling_flags | RADEON_TILING_SURFACE,
+						 mode_cmd->pitch);
 		if (ret)
 			dev_err(rdev->dev, "FB failed to set tiling flags\n");
 	}
-	mutex_lock(&rdev->ddev->struct_mutex);
+
 
 	ret = radeon_bo_reserve(rbo, false);
 	if (unlikely(ret != 0))
 		goto out_unref;
-	ret = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_gpuaddr);
+	ret = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, NULL);
 	if (ret) {
 		radeon_bo_unreserve(rbo);
 		goto out_unref;
 	}
 	if (fb_tiled)
 		radeon_bo_check_tiling(rbo, 0, 0);
-	ret = radeon_bo_kmap(rbo, &fbptr);
+	ret = radeon_bo_kmap(rbo, NULL);
 	radeon_bo_unreserve(rbo);
 	if (ret) {
 		goto out_unref;
 	}
 
-	info = framebuffer_alloc(sizeof(struct radeon_kernel_fbdev), device);
+	*gobj_p = gobj;
+	return 0;
+out_unref:
+	radeonfb_destroy_pinned_object(gobj);
+	*gobj_p = NULL;
+	return ret;
+}
+
+static int radeonfb_create(struct radeon_fbdev *rfbdev,
+			   struct drm_fb_helper_surface_size *sizes)
+{
+	struct radeon_device *rdev = rfbdev->rdev;
+	struct fb_info *info;
+	struct drm_framebuffer *fb = NULL;
+	struct drm_mode_fb_cmd mode_cmd;
+	struct drm_gem_object *gobj = NULL;
+	struct radeon_bo *rbo = NULL;
+	struct device *device = &rdev->pdev->dev;
+	int ret;
+	unsigned long tmp;
+
+	mode_cmd.width = sizes->surface_width;
+	mode_cmd.height = sizes->surface_height;
+
+	/* avivo can't scanout real 24bpp */
+	if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
+		sizes->surface_bpp = 32;
+
+	mode_cmd.bpp = sizes->surface_bpp;
+	mode_cmd.depth = sizes->surface_depth;
+
+	ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj);
+	rbo = gobj->driver_private;
+
+	/* okay we have an object now allocate the framebuffer */
+	info = framebuffer_alloc(0, device);
 	if (info == NULL) {
 		ret = -ENOMEM;
 		goto out_unref;
 	}
 
-	rfbdev = info->par;
-	rfbdev->rdev = rdev;
-	radeon_framebuffer_init(dev, &rfbdev->rfb, &mode_cmd, gobj);
+	info->par = rfbdev;
+
+	radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj);
+
 	fb = &rfbdev->rfb.base;
 
 	/* setup helper */
 	rfbdev->helper.fb = fb;
 	rfbdev->helper.fbdev = info;
 	rfbdev->helper.funcs = &radeon_fb_helper_funcs;
-	rfbdev->helper.dev = dev;
 
-	*rfbdev_p = rfbdev;
-
-	ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, rdev->num_crtc,
-					    RADEONFB_CONN_LIMIT);
-	if (ret)
-		goto out_unref;
-
-	memset_io(fbptr, 0x0, aligned_size);
+	memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo));
 
 	strcpy(info->fix.id, "radeondrmfb");
 
@@ -214,11 +233,11 @@ static int radeonfb_create(struct drm_device *dev,
 	info->flags = FBINFO_DEFAULT;
 	info->fbops = &radeonfb_ops;
 
-	tmp = fb_gpuaddr - rdev->mc.vram_start;
+	tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start;
 	info->fix.smem_start = rdev->mc.aper_base + tmp;
-	info->fix.smem_len = size;
-	info->screen_base = fbptr;
-	info->screen_size = size;
+	info->fix.smem_len = radeon_bo_size(rbo);
+	info->screen_base = rbo->kptr;
+	info->screen_size = radeon_bo_size(rbo);
 
 	drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
 
@@ -239,60 +258,40 @@ static int radeonfb_create(struct drm_device *dev,
 	}
 	DRM_INFO("fb mappable at 0x%lX\n",  info->fix.smem_start);
 	DRM_INFO("vram apper at 0x%lX\n",  (unsigned long)rdev->mc.aper_base);
-	DRM_INFO("size %lu\n", (unsigned long)size);
+	DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo));
 	DRM_INFO("fb depth is %d\n", fb->depth);
 	DRM_INFO("   pitch is %d\n", fb->pitch);
 
-
-	mutex_unlock(&rdev->ddev->struct_mutex);
 	vga_switcheroo_client_fb_set(rdev->ddev->pdev, info);
 	return 0;
 
 out_unref:
 	if (rbo) {
-		ret = radeon_bo_reserve(rbo, false);
-		if (likely(ret == 0)) {
-			radeon_bo_kunmap(rbo);
-			radeon_bo_unreserve(rbo);
-		}
+
 	}
 	if (fb && ret) {
 		drm_gem_object_unreference(gobj);
 		drm_framebuffer_cleanup(fb);
 		kfree(fb);
 	}
-	drm_gem_object_unreference(gobj);
-	mutex_unlock(&rdev->ddev->struct_mutex);
+
 out:
 	return ret;
 }
 
-static int radeon_fb_find_or_create_single(struct drm_device *dev,
-					   struct drm_fb_helper_surface_size *sizes,
-					   struct drm_fb_helper **fb_ptr)
+static int radeon_fb_find_or_create_single(struct drm_fb_helper *helper,
+					   struct drm_fb_helper_surface_size *sizes)
 {
-	struct radeon_device *rdev = dev->dev_private;
-	struct radeon_kernel_fbdev *rfbdev = NULL;
+	struct radeon_fbdev *rfbdev = (struct radeon_fbdev *)helper;
 	int new_fb = 0;
 	int ret;
 
-	if (!rdev->mode_info.rfbdev) {
-		ret = radeonfb_create(dev, sizes,
-				      &rfbdev);
+	if (!helper->fb) {
+		ret = radeonfb_create(rfbdev, sizes);
 		if (ret)
 			return ret;
-		rdev->mode_info.rfbdev = rfbdev;
 		new_fb = 1;
-	} else {
-		rfbdev = rdev->mode_info.rfbdev;
-		if (rfbdev->rfb.base.width < sizes->surface_width ||
-		    rfbdev->rfb.base.height < sizes->surface_height) {
-			DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
-			return -EINVAL;
-		}
 	}
-
-	*fb_ptr = &rfbdev->helper;
 	return new_fb;
 }
 
@@ -312,48 +311,55 @@ int radeon_parse_options(char *options)
 	return 0;
 }
 
-static int radeonfb_probe(struct drm_device *dev)
+static int radeonfb_probe(struct radeon_fbdev *rfbdev)
 {
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = rfbdev->rdev;
 	int bpp_sel = 32;
 
 	/* select 8 bpp console on RN50 or 16MB cards */
 	if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
 		bpp_sel = 8;
 
-	return drm_fb_helper_single_fb_probe(dev, bpp_sel, &radeon_fb_find_or_create_single);
+	return drm_fb_helper_single_fb_probe(&rfbdev->helper, bpp_sel);
 }
 
 void radeonfb_hotplug(struct drm_device *dev)
 {
-	drm_helper_fb_hotplug_event(dev);
+	struct radeon_device *rdev = dev->dev_private;
+	int max_width, max_height;
 
-	radeonfb_probe(dev);
+	max_width = rdev->mode_info.rfbdev->rfb.base.width;
+	max_height = rdev->mode_info.rfbdev->rfb.base.height;
+	drm_helper_fb_hotplug_event(&rdev->mode_info.rfbdev->helper, max_width, max_height);
+
+	radeonfb_probe(rdev->mode_info.rfbdev);
 }
 
-static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_kernel_fbdev *rfbdev)
+static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
 {
 	struct fb_info *info;
 	struct radeon_framebuffer *rfb = &rfbdev->rfb;
 	struct radeon_bo *rbo;
 	int r;
 
-	rbo = rfb->obj->driver_private;
-	info = rfbdev->helper.fbdev;
-	unregister_framebuffer(info);
-	r = radeon_bo_reserve(rbo, false);
-	if (likely(r == 0)) {
-		radeon_bo_kunmap(rbo);
-		radeon_bo_unpin(rbo);
-		radeon_bo_unreserve(rbo);
+	if (rfbdev->helper.fbdev) {
+		info = rfbdev->helper.fbdev;
+		unregister_framebuffer(info);
+		framebuffer_release(info);
 	}
 
+	if (rfb->obj) {
+		rbo = rfb->obj->driver_private;
+		r = radeon_bo_reserve(rbo, false);
+		if (likely(r == 0)) {
+			radeon_bo_kunmap(rbo);
+			radeon_bo_unpin(rbo);
+			radeon_bo_unreserve(rbo);
+		}
+		drm_gem_object_unreference_unlocked(rfb->obj);
+	}
 	drm_fb_helper_free(&rfbdev->helper);
 	drm_framebuffer_cleanup(&rfb->base);
-	if (rfb->obj)
-		drm_gem_object_unreference_unlocked(rfb->obj);
-
-	framebuffer_release(info);
 
 	return 0;
 }
@@ -361,14 +367,32 @@ MODULE_LICENSE("GPL");
 
 int radeon_fbdev_init(struct radeon_device *rdev)
 {
-	drm_helper_initial_config(rdev->ddev);
-	radeonfb_probe(rdev->ddev);
+	struct radeon_fbdev *rfbdev;
+
+	rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL);
+	if (!rfbdev)
+		return -ENOMEM;
+
+	rfbdev->rdev = rdev;
+	rdev->mode_info.rfbdev = rfbdev;
+
+	drm_fb_helper_init_crtc_count(rdev->ddev, &rfbdev->helper,
+				      rdev->num_crtc,
+				      RADEONFB_CONN_LIMIT);
+	rfbdev->helper.fb_probe = radeon_fb_find_or_create_single;
+	drm_fb_helper_initial_config(&rfbdev->helper);
+	radeonfb_probe(rfbdev);
 	return 0;
+
 }
 
 void radeon_fbdev_fini(struct radeon_device *rdev)
 {
+	if (!rdev->mode_info.rfbdev)
+		return;
+
 	radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev);
+	kfree(rdev->mode_info.rfbdev);
 	rdev->mode_info.rfbdev = NULL;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 1e9138bf559..165f6025a3b 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -203,7 +203,7 @@ enum radeon_dvo_chip {
 	DVO_SIL1178,
 };
 
-struct radeon_kernel_fbdev;
+struct radeon_fbdev;
 
 struct radeon_mode_info {
 	struct atom_context *atom_context;
@@ -223,7 +223,7 @@ struct radeon_mode_info {
 	struct edid *bios_hardcoded_edid;
 
 	/* pointer to fbdev info structure */
-	struct radeon_kernel_fbdev *rfbdev;
+	struct radeon_fbdev *rfbdev;
 };
 
 #define MAX_H_CODE_TIMING_LEN 32
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index c70814b184e..e4e34bae22c 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -367,9 +367,6 @@ struct drm_crtc_funcs {
  * @enabled: is this CRTC enabled?
  * @x: x position on screen
  * @y: y position on screen
- * @desired_mode: new desired mode
- * @desired_x: desired x for desired_mode
- * @desired_y: desired y for desired_mode
  * @funcs: CRTC control functions
  *
  * Each CRTC may have one or more connectors associated with it.  This structure
@@ -389,8 +386,6 @@ struct drm_crtc {
 	struct drm_display_mode mode;
 
 	int x, y;
-	struct drm_display_mode *desired_mode;
-	int desired_x, desired_y;
 	const struct drm_crtc_funcs *funcs;
 
 	/* CRTC gamma size for reporting to userspace */
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 38ab0daffd1..b1ea66f11de 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -33,6 +33,7 @@
 struct drm_fb_helper_crtc {
 	uint32_t crtc_id;
 	struct drm_mode_set mode_set;
+	struct drm_display_mode *desired_mode;
 };
 
 
@@ -81,14 +82,16 @@ struct drm_fb_helper {
 	struct fb_info *fbdev;
 	u32 pseudo_palette[17];
 	struct list_head kernel_fb_list;
+
+	int (*fb_probe)(struct drm_fb_helper *helper,
+			struct drm_fb_helper_surface_size *sizes);
 };
 
-int drm_fb_helper_single_fb_probe(struct drm_device *dev,
-				  int preferred_bpp,
-				  int (*fb_create)(struct drm_device *dev,
-						   struct drm_fb_helper_surface_size *sizes,
-						   struct drm_fb_helper **fb_ptr));
-int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count,
+int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
+				  int preferred_bpp);
+
+int drm_fb_helper_init_crtc_count(struct drm_device *dev,
+				  struct drm_fb_helper *helper, int crtc_count,
 				  int max_conn);
 void drm_fb_helper_free(struct drm_fb_helper *helper);
 int drm_fb_helper_blank(int blank, struct fb_info *info);
@@ -114,6 +117,8 @@ int drm_fb_helper_add_connector(struct drm_connector *connector);
 int drm_fb_helper_parse_command_line(struct drm_device *dev);
 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
 
-bool drm_helper_fb_hotplug_event(struct drm_device *dev);
-bool drm_helper_initial_config(struct drm_device *dev);
+bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper, u32 max_width,
+				 u32 max_height);
+bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper);
+
 #endif

From 0b4c0f3f0eceacb691e2b5570d9b16d751ce1b48 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 30 Mar 2010 05:34:15 +0000
Subject: [PATCH 0200/3638] drm/kms/fb: separate fbdev connector list from core
 drm connectors

This breaks the connection between the core drm connector list
and the fbdev connector usage, and allows them to become disjoint
in the future. It also removes the untype void* that was in the
connector struct to support this.

All connectors are added to the fbdev now but this could be
changed in the future.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_crtc.c                 |   1 -
 drivers/gpu/drm/drm_fb_helper.c            | 196 +++++++++++----------
 drivers/gpu/drm/i915/intel_fb.c            |   1 +
 drivers/gpu/drm/nouveau/nouveau_fbcon.c    |   2 +
 drivers/gpu/drm/radeon/radeon_connectors.c |  50 ++----
 drivers/gpu/drm/radeon/radeon_fb.c         |   5 +-
 include/drm/drm_crtc.h                     |   1 -
 include/drm/drm_crtc_helper.h              |   5 +-
 include/drm/drm_fb_helper.h                |   6 +-
 9 files changed, 126 insertions(+), 141 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 6a472d53452..e8cd6832f08 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -493,7 +493,6 @@ void drm_connector_cleanup(struct drm_connector *connector)
 	list_for_each_entry_safe(mode, t, &connector->user_modes, head)
 		drm_mode_remove(connector, mode);
 
-	kfree(connector->fb_helper_private);
 	mutex_lock(&dev->mode_config.mutex);
 	drm_mode_object_put(dev, &connector->base);
 	list_del(&connector->head);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 2515563063c..9808f6e37a9 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -41,15 +41,33 @@ MODULE_LICENSE("GPL and additional rights");
 
 static LIST_HEAD(kernel_fb_helper_list);
 
-int drm_fb_helper_add_connector(struct drm_connector *connector)
+/* simple single crtc case helper function */
+int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper)
 {
-	connector->fb_helper_private = kzalloc(sizeof(struct drm_fb_helper_connector), GFP_KERNEL);
-	if (!connector->fb_helper_private)
-		return -ENOMEM;
+	struct drm_device *dev = fb_helper->dev;
+	struct drm_connector *connector;
+	int i;
 
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		struct drm_fb_helper_connector *fb_helper_connector;
+
+		fb_helper_connector = kzalloc(sizeof(struct drm_fb_helper_connector), GFP_KERNEL);
+		if (!fb_helper_connector)
+			goto fail;
+
+		fb_helper_connector->connector = connector;
+		fb_helper->connector_info[fb_helper->connector_count++] = fb_helper_connector;
+	}
 	return 0;
+fail:
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		kfree(fb_helper->connector_info[i]);
+		fb_helper->connector_info[i] = NULL;
+	}
+	fb_helper->connector_count = 0;
+	return -ENOMEM;
 }
-EXPORT_SYMBOL(drm_fb_helper_add_connector);
+EXPORT_SYMBOL(drm_fb_helper_single_add_all_connectors);
 
 /**
  * drm_fb_helper_connector_parse_command_line - parse command line for connector
@@ -64,7 +82,7 @@ EXPORT_SYMBOL(drm_fb_helper_add_connector);
  *
  * enable/enable Digital/disable bit at the end
  */
-static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *connector,
+static bool drm_fb_helper_connector_parse_command_line(struct drm_fb_helper_connector *fb_helper_conn,
 						       const char *mode_option)
 {
 	const char *name;
@@ -74,13 +92,13 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
 	int yres_specified = 0, cvt = 0, rb = 0, interlace = 0, margins = 0;
 	int i;
 	enum drm_connector_force force = DRM_FORCE_UNSPECIFIED;
-	struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
 	struct drm_fb_helper_cmdline_mode *cmdline_mode;
+	struct drm_connector *connector = fb_helper_conn->connector;
 
-	if (!fb_help_conn)
+	if (!fb_helper_conn)
 		return false;
 
-	cmdline_mode = &fb_help_conn->cmdline_mode;
+	cmdline_mode = &fb_helper_conn->cmdline_mode;
 	if (!mode_option)
 		mode_option = fb_mode_option;
 
@@ -203,18 +221,21 @@ done:
 	return true;
 }
 
-int drm_fb_helper_parse_command_line(struct drm_device *dev)
+static int drm_fb_helper_parse_command_line(struct drm_fb_helper *fb_helper)
 {
-	struct drm_connector *connector;
+	struct drm_fb_helper_connector *fb_helper_conn;
+	int i;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	for (i = 0; i < fb_helper->connector_count; i++) {
 		char *option = NULL;
 
+		fb_helper_conn = fb_helper->connector_info[i];
+
 		/* do something on return - turn off connector maybe */
-		if (fb_get_options(drm_get_connector_name(connector), &option))
+		if (fb_get_options(drm_get_connector_name(fb_helper_conn->connector), &option))
 			continue;
 
-		drm_fb_helper_connector_parse_command_line(connector, option);
+		drm_fb_helper_connector_parse_command_line(fb_helper_conn, option);
 	}
 	return 0;
 }
@@ -391,6 +412,9 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper)
 {
 	int i;
 
+	for (i = 0; i < helper->connector_count; i++)
+		kfree(helper->connector_info[i]);
+	kfree(helper->connector_info);
 	for (i = 0; i < helper->crtc_count; i++)
 		kfree(helper->crtc_info[i].mode_set.connectors);
 	kfree(helper->crtc_info);
@@ -411,6 +435,13 @@ int drm_fb_helper_init_crtc_count(struct drm_device *dev,
 		return -ENOMEM;
 	helper->crtc_count = crtc_count;
 
+	helper->connector_info = kcalloc(dev->mode_config.num_connector, sizeof(struct drm_fb_helper_connector *), GFP_KERNEL);
+	if (!helper->connector_info) {
+		kfree(helper->crtc_info);
+		return -ENOMEM;
+	}
+	helper->connector_count = 0;
+
 	for (i = 0; i < crtc_count; i++) {
 		helper->crtc_info[i].mode_set.connectors =
 			kcalloc(max_conn_count,
@@ -672,14 +703,10 @@ int drm_fb_helper_set_par(struct fb_info *info)
 	mutex_lock(&dev->mode_config.mutex);
 	for (i = 0; i < fb_helper->crtc_count; i++) {
 		crtc = fb_helper->crtc_info[i].mode_set.crtc;
-
-		if (crtc->fb != fb_helper->crtc_info[i].mode_set.fb) {
-			ret = crtc->funcs->set_config(&fb_helper->crtc_info[i].mode_set);
-
-			if (ret) {
-				mutex_unlock(&dev->mode_config.mutex);
-				return ret;
-			}
+		ret = crtc->funcs->set_config(&fb_helper->crtc_info[i].mode_set);
+		if (ret) {
+			mutex_unlock(&dev->mode_config.mutex);
+			return ret;
 		}
 	}
 	mutex_unlock(&dev->mode_config.mutex);
@@ -722,8 +749,6 @@ EXPORT_SYMBOL(drm_fb_helper_pan_display);
 int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 				  int preferred_bpp)
 {
-	struct drm_device *dev = fb_helper->dev;
-	struct drm_connector *connector;
 	int new_fb = 0;
 	int crtc_count = 0;
 	int ret, i;
@@ -743,14 +768,11 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 		sizes.surface_depth = sizes.surface_bpp = preferred_bpp;
 	}
 	/* first up get a count of crtcs now in use and new min/maxes width/heights */
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		struct drm_fb_helper_connector *fb_helper_conn = fb_helper->connector_info[i];
 		struct drm_fb_helper_cmdline_mode *cmdline_mode;
 
-		if (!fb_help_conn)
-			continue;
-		
-		cmdline_mode = &fb_help_conn->cmdline_mode;
+		cmdline_mode = &fb_helper_conn->cmdline_mode;
 
 		if (cmdline_mode->bpp_specified) {
 			switch (cmdline_mode->bpp) {
@@ -954,24 +976,27 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe
 }
 EXPORT_SYMBOL(drm_fb_helper_fill_var);
 
-static int drm_helper_probe_connector_modes(struct drm_device *dev, uint32_t maxX,
-					    uint32_t maxY)
+static int drm_fb_helper_probe_connector_modes(struct drm_fb_helper *fb_helper,
+					       uint32_t maxX,
+					       uint32_t maxY)
 {
 	struct drm_connector *connector;
 	int count = 0;
+	int i;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		connector = fb_helper->connector_info[i]->connector;
 		count += connector->funcs->fill_modes(connector, maxX, maxY);
 	}
 
 	return count;
 }
 
-static struct drm_display_mode *drm_has_preferred_mode(struct drm_connector *connector, int width, int height)
+static struct drm_display_mode *drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector, int width, int height)
 {
 	struct drm_display_mode *mode;
 
-	list_for_each_entry(mode, &connector->modes, head) {
+	list_for_each_entry(mode, &fb_connector->connector->modes, head) {
 		if (drm_mode_width(mode) > width ||
 		    drm_mode_height(mode) > height)
 			continue;
@@ -981,28 +1006,20 @@ static struct drm_display_mode *drm_has_preferred_mode(struct drm_connector *con
 	return NULL;
 }
 
-static bool drm_has_cmdline_mode(struct drm_connector *connector)
+static bool drm_has_cmdline_mode(struct drm_fb_helper_connector *fb_connector)
 {
-	struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
 	struct drm_fb_helper_cmdline_mode *cmdline_mode;
-
-	if (!fb_help_conn)
-		return false;
-
-	cmdline_mode = &fb_help_conn->cmdline_mode;
+	cmdline_mode = &fb_connector->cmdline_mode;
 	return cmdline_mode->specified;
 }
 
-static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_connector *connector, int width, int height)
+static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
+						      int width, int height)
 {
-	struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private;
 	struct drm_fb_helper_cmdline_mode *cmdline_mode;
 	struct drm_display_mode *mode = NULL;
 
-	if (!fb_help_conn)
-		return mode;
-
-	cmdline_mode = &fb_help_conn->cmdline_mode;
+	cmdline_mode = &fb_helper_conn->cmdline_mode;
 	if (cmdline_mode->specified == false)
 		return mode;
 
@@ -1012,7 +1029,7 @@ static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_connector *conn
 	if (cmdline_mode->rb || cmdline_mode->margins)
 		goto create_mode;
 
-	list_for_each_entry(mode, &connector->modes, head) {
+	list_for_each_entry(mode, &fb_helper_conn->connector->modes, head) {
 		/* check width/height */
 		if (mode->hdisplay != cmdline_mode->xres ||
 		    mode->vdisplay != cmdline_mode->yres)
@@ -1031,13 +1048,13 @@ static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_connector *conn
 	}
 
 create_mode:
-	mode = drm_cvt_mode(connector->dev, cmdline_mode->xres,
+	mode = drm_cvt_mode(fb_helper_conn->connector->dev, cmdline_mode->xres,
 			    cmdline_mode->yres,
 			    cmdline_mode->refresh_specified ? cmdline_mode->refresh : 60,
 			    cmdline_mode->rb, cmdline_mode->interlace,
 			    cmdline_mode->margins);
 	drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
-	list_add(&mode->head, &connector->modes);
+	list_add(&mode->head, &fb_helper_conn->connector->modes);
 	return mode;
 }
 
@@ -1053,62 +1070,60 @@ static bool drm_connector_enabled(struct drm_connector *connector, bool strict)
 	return enable;
 }
 
-static void drm_enable_connectors(struct drm_device *dev, bool *enabled)
+static void drm_enable_connectors(struct drm_fb_helper *fb_helper,
+				  bool *enabled)
 {
 	bool any_enabled = false;
 	struct drm_connector *connector;
 	int i = 0;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		connector = fb_helper->connector_info[i]->connector;
 		enabled[i] = drm_connector_enabled(connector, true);
 		DRM_DEBUG_KMS("connector %d enabled? %s\n", connector->base.id,
 			  enabled[i] ? "yes" : "no");
 		any_enabled |= enabled[i];
-		i++;
 	}
 
 	if (any_enabled)
 		return;
 
-	i = 0;
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		connector = fb_helper->connector_info[i]->connector;
 		enabled[i] = drm_connector_enabled(connector, false);
-		i++;
 	}
 }
 
-static bool drm_target_preferred(struct drm_device *dev,
+static bool drm_target_preferred(struct drm_fb_helper *fb_helper,
 				 struct drm_display_mode **modes,
 				 bool *enabled, int width, int height)
 {
-	struct drm_connector *connector;
-	int i = 0;
+	struct drm_fb_helper_connector *fb_helper_conn;
+	int i;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		fb_helper_conn = fb_helper->connector_info[i];
 
-		if (enabled[i] == false) {
-			i++;
+		if (enabled[i] == false)
 			continue;
-		}
 
 		DRM_DEBUG_KMS("looking for cmdline mode on connector %d\n",
-			      connector->base.id);
+			      fb_helper_conn->connector->base.id);
 
 		/* got for command line mode first */
-		modes[i] = drm_pick_cmdline_mode(connector, width, height);
+		modes[i] = drm_pick_cmdline_mode(fb_helper_conn, width, height);
 		if (!modes[i]) {
 			DRM_DEBUG_KMS("looking for preferred mode on connector %d\n",
-				      connector->base.id);
-			modes[i] = drm_has_preferred_mode(connector, width, height);
+				      fb_helper_conn->connector->base.id);
+			modes[i] = drm_has_preferred_mode(fb_helper_conn, width, height);
 		}
 		/* No preferred modes, pick one off the list */
-		if (!modes[i] && !list_empty(&connector->modes)) {
-			list_for_each_entry(modes[i], &connector->modes, head)
+		if (!modes[i] && !list_empty(&fb_helper_conn->connector->modes)) {
+			list_for_each_entry(modes[i], &fb_helper_conn->connector->modes, head)
 				break;
 		}
 		DRM_DEBUG_KMS("found mode %s\n", modes[i] ? modes[i]->name :
 			  "none");
-		i++;
 	}
 	return true;
 }
@@ -1126,15 +1141,13 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
 	struct drm_fb_helper_crtc *best_crtc;
 	int my_score, best_score, score;
 	struct drm_fb_helper_crtc **crtcs, *crtc;
+	struct drm_fb_helper_connector *fb_helper_conn;
 
-	if (n == fb_helper->dev->mode_config.num_connector)
+	if (n == fb_helper->connector_count)
 		return 0;
-	c = 0;
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		if (c == n)
-			break;
-		c++;
-	}
+
+	fb_helper_conn = fb_helper->connector_info[n];
+	connector = fb_helper_conn->connector;
 
 	best_crtcs[n] = NULL;
 	best_crtc = NULL;
@@ -1150,9 +1163,9 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
 	my_score = 1;
 	if (connector->status == connector_status_connected)
 		my_score++;
-	if (drm_has_cmdline_mode(connector))
+	if (drm_has_cmdline_mode(fb_helper_conn))
 		my_score++;
-	if (drm_has_preferred_mode(connector, width, height))
+	if (drm_has_preferred_mode(fb_helper_conn, width, height))
 		my_score++;
 
 	connector_funcs = connector->helper_private;
@@ -1201,7 +1214,6 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
 	struct drm_fb_helper_crtc **crtcs;
 	struct drm_display_mode **modes;
 	struct drm_encoder *encoder;
-	struct drm_connector *connector;
 	struct drm_mode_set *modeset;
 	bool *enabled;
 	int width, height;
@@ -1224,9 +1236,9 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
 	enabled = kcalloc(dev->mode_config.num_connector,
 			  sizeof(bool), GFP_KERNEL);
 
-	drm_enable_connectors(dev, enabled);
+	drm_enable_connectors(fb_helper, enabled);
 
-	ret = drm_target_preferred(dev, modes, enabled, width, height);
+	ret = drm_target_preferred(fb_helper, modes, enabled, width, height);
 	if (!ret)
 		DRM_ERROR("Unable to find initial modes\n");
 
@@ -1241,8 +1253,7 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
 		modeset->num_connectors = 0;
 	}
 
-	i = 0;
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	for (i = 0; i < fb_helper->connector_count; i++) {
 		struct drm_display_mode *mode = modes[i];
 		struct drm_fb_helper_crtc *fb_crtc = crtcs[i];
 		modeset = &fb_crtc->mode_set;
@@ -1255,9 +1266,8 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
 				drm_mode_destroy(dev, modeset->mode);
 			modeset->mode = drm_mode_duplicate(dev,
 							   fb_crtc->desired_mode);
-			modeset->connectors[modeset->num_connectors++] = connector;
+			modeset->connectors[modeset->num_connectors++] = fb_helper->connector_info[i]->connector;
 		}
-		i++;
 	}
 
 	kfree(crtcs);
@@ -1287,11 +1297,11 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
 	/* disable all the possible outputs/crtcs before entering KMS mode */
 	drm_helper_disable_unused_functions(fb_helper->dev);
 
-	drm_fb_helper_parse_command_line(fb_helper->dev);
+	drm_fb_helper_parse_command_line(fb_helper);
 
-	count = drm_helper_probe_connector_modes(dev,
-						 dev->mode_config.max_width,
-						 dev->mode_config.max_height);
+	count = drm_fb_helper_probe_connector_modes(fb_helper,
+						    dev->mode_config.max_width,
+						    dev->mode_config.max_height);
 
 	/*
 	 * we shouldn't end up with no modes here.
@@ -1310,8 +1320,8 @@ bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
 {
 	DRM_DEBUG_KMS("\n");
 
-	drm_helper_probe_connector_modes(fb_helper->dev, max_width,
-					 max_height);
+	drm_fb_helper_probe_connector_modes(fb_helper, max_width,
+						    max_height);
 
 	drm_setup_crtcs(fb_helper);
 
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index ff6912edf0c..8f7a7c47609 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -249,6 +249,7 @@ int intel_fbdev_init(struct drm_device *dev)
 
 	drm_fb_helper_init_crtc_count(dev, &ifbdev->helper, 2,
 				      INTELFB_CONN_LIMIT);
+	drm_fb_helper_single_add_all_connectors(&ifbdev->helper);
 	ifbdev->helper.fb_probe = intel_fb_find_or_create_single;
 	drm_fb_helper_initial_config(&ifbdev->helper);
 	intelfb_probe(ifbdev);
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 90843b62d9b..fd5d3cde0a0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -435,6 +435,8 @@ int nouveau_fbcon_init(struct drm_device *dev)
 	drm_fb_helper_init_crtc_count(dev, &nfbdev->helper,
 				      2, 4);
 	nfbdev->helper.fb_probe = nouveau_fbcon_find_or_create_single;
+	drm_fb_helper_single_add_all_connectors(&nfbdev->helper);
+
 	drm_fb_helper_initial_config(&nfbdev->helper);
 	nouveau_fbcon_probe(nfbdev);
 	return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 3fba50540f7..47bd98521be 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1032,7 +1032,6 @@ radeon_add_atom_connector(struct drm_device *dev,
 	struct radeon_connector_atom_dig *radeon_dig_connector;
 	uint32_t subpixel_order = SubPixelNone;
 	bool shared_ddc = false;
-	int ret;
 
 	/* fixme - tv/cv/din */
 	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
@@ -1067,9 +1066,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 	switch (connector_type) {
 	case DRM_MODE_CONNECTOR_VGA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
 			if (!radeon_connector->ddc_bus)
@@ -1082,9 +1079,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 		break;
 	case DRM_MODE_CONNECTOR_DVIA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 			if (!radeon_connector->ddc_bus)
@@ -1104,9 +1099,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 		radeon_dig_connector->igp_lane_info = igp_lane_info;
 		radeon_connector->con_priv = radeon_dig_connector;
 		drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 			if (!radeon_connector->ddc_bus)
@@ -1132,9 +1125,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 		radeon_dig_connector->igp_lane_info = igp_lane_info;
 		radeon_connector->con_priv = radeon_dig_connector;
 		drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
 			if (!radeon_connector->ddc_bus)
@@ -1154,9 +1145,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 		radeon_dig_connector->igp_lane_info = igp_lane_info;
 		radeon_connector->con_priv = radeon_dig_connector;
 		drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			/* add DP i2c bus */
 			if (connector_type == DRM_MODE_CONNECTOR_eDP)
@@ -1182,9 +1171,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 	case DRM_MODE_CONNECTOR_9PinDIN:
 		if (radeon_tv == 1) {
 			drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
-			ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
-			if (ret)
-				goto failed;
+			drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
 			radeon_connector->dac_load_detect = true;
 			drm_connector_attach_property(&radeon_connector->base,
 						      rdev->mode_info.load_detect_property,
@@ -1202,9 +1189,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 		radeon_dig_connector->igp_lane_info = igp_lane_info;
 		radeon_connector->con_priv = radeon_dig_connector;
 		drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
 			if (!radeon_connector->ddc_bus)
@@ -1241,7 +1226,6 @@ radeon_add_legacy_connector(struct drm_device *dev,
 	struct drm_connector *connector;
 	struct radeon_connector *radeon_connector;
 	uint32_t subpixel_order = SubPixelNone;
-	int ret;
 
 	/* fixme - tv/cv/din */
 	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
@@ -1269,9 +1253,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
 	switch (connector_type) {
 	case DRM_MODE_CONNECTOR_VGA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
 			if (!radeon_connector->ddc_bus)
@@ -1284,9 +1266,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
 		break;
 	case DRM_MODE_CONNECTOR_DVIA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 			if (!radeon_connector->ddc_bus)
@@ -1300,9 +1280,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
 	case DRM_MODE_CONNECTOR_DVII:
 	case DRM_MODE_CONNECTOR_DVID:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 			if (!radeon_connector->ddc_bus)
@@ -1319,9 +1297,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
 	case DRM_MODE_CONNECTOR_9PinDIN:
 		if (radeon_tv == 1) {
 			drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
-			ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
-			if (ret)
-				goto failed;
+			drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
 			radeon_connector->dac_load_detect = true;
 			/* RS400,RC410,RS480 chipset seems to report a lot
 			 * of false positive on load detect, we haven't yet
@@ -1340,9 +1316,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
 		break;
 	case DRM_MODE_CONNECTOR_LVDS:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
-		ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
-		if (ret)
-			goto failed;
+		drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
 			if (!radeon_connector->ddc_bus)
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 705425defba..7275b2e0944 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -274,8 +274,6 @@ out_unref:
 		drm_framebuffer_cleanup(fb);
 		kfree(fb);
 	}
-
-out:
 	return ret;
 }
 
@@ -380,6 +378,9 @@ int radeon_fbdev_init(struct radeon_device *rdev)
 				      rdev->num_crtc,
 				      RADEONFB_CONN_LIMIT);
 	rfbdev->helper.fb_probe = radeon_fb_find_or_create_single;
+
+	drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
+
 	drm_fb_helper_initial_config(&rfbdev->helper);
 	radeonfb_probe(rfbdev);
 	return 0;
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index e4e34bae22c..fce2042ad0a 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -514,7 +514,6 @@ struct drm_connector {
 	uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
 	uint32_t force_encoder_id;
 	struct drm_encoder *encoder; /* currently active encoder */
-	void *fb_helper_private;
 };
 
 /**
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index ce7aab77f7d..b1fa0f8cfa6 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -39,7 +39,6 @@
 
 #include <linux/fb.h>
 
-#include "drm_fb_helper.h"
 struct drm_crtc_helper_funcs {
 	/*
 	 * Control power levels on the CRTC.  If the mode passed in is
@@ -96,7 +95,6 @@ struct drm_connector_helper_funcs {
 
 extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
 extern void drm_helper_disable_unused_functions(struct drm_device *dev);
-extern int drm_helper_hotplug_stage_two(struct drm_device *dev);
 extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
 extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
 				     struct drm_display_mode *mode,
@@ -122,11 +120,10 @@ static inline void drm_encoder_helper_add(struct drm_encoder *encoder,
 	encoder->helper_private = (void *)funcs;
 }
 
-static inline int drm_connector_helper_add(struct drm_connector *connector,
+static inline void drm_connector_helper_add(struct drm_connector *connector,
 					    const struct drm_connector_helper_funcs *funcs)
 {
 	connector->helper_private = (void *)funcs;
-	return drm_fb_helper_add_connector(connector);
 }
 
 extern int drm_helper_resume_force_mode(struct drm_device *dev);
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index b1ea66f11de..50094f94d4c 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -69,6 +69,7 @@ struct drm_fb_helper_surface_size {
 
 struct drm_fb_helper_connector {
 	struct drm_fb_helper_cmdline_mode cmdline_mode;
+	struct drm_connector *connector;
 };
 
 struct drm_fb_helper {
@@ -77,6 +78,8 @@ struct drm_fb_helper {
 	struct drm_display_mode *mode;
 	int crtc_count;
 	struct drm_fb_helper_crtc *crtc_info;
+	int connector_count;
+	struct drm_fb_helper_connector **connector_info;
 	struct drm_fb_helper_funcs *funcs;
 	int conn_limit;
 	struct fb_info *fbdev;
@@ -113,12 +116,11 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe
 void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
 			    uint32_t depth);
 
-int drm_fb_helper_add_connector(struct drm_connector *connector);
-int drm_fb_helper_parse_command_line(struct drm_device *dev);
 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
 
 bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper, u32 max_width,
 				 u32 max_height);
 bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper);
+int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
 
 #endif

From 19b4b44503ccdf834062d68e022dc1e2721695a5 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 30 Mar 2010 05:34:16 +0000
Subject: [PATCH 0201/3638] drm/kms/fb: provide a 1024x768 fbcon if no outputs
 found.

If we get no outputs setup provide a 1024x768 fbcon, with
this + radeon hotplug stuff I can plug a monitor in after startup
and get to see stuff.

Last thing is to add some sort of timer for non-hpd outputs like
VGA etc.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_fb_helper.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 9808f6e37a9..6374e9b75d4 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -821,7 +821,9 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 	if (crtc_count == 0 || sizes.fb_width == -1 || sizes.fb_height == -1) {
 		/* hmm everyone went away - assume VGA cable just fell out
 		   and will come back later. */
-		return 0;
+		DRM_ERROR("Cannot find any crtc or sizes - going 1024x768\n");
+		sizes.fb_width = sizes.surface_width = 1024;
+		sizes.fb_height = sizes.surface_height = 768;
 	}
 
 	/* push down into drivers */

From 5c4426a782bc9509573fc7958a786ebd14fafdf3 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 30 Mar 2010 05:34:17 +0000
Subject: [PATCH 0202/3638] drm/kms/fb: add polling support for when nothing is
 connected.

When we are running in a headless environment we have no idea what
output the user might plug in later, we only have hotplug detect
from the digital outputs. So if we detect no connected outputs at
initialisation, start a slow work operation to poll every 5 seconds
for an output.

this is only hooked up for radeon so far, on hw where we have full
hotplug detection there is no need for this.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/Kconfig                 |  1 +
 drivers/gpu/drm/drm_fb_helper.c         | 82 +++++++++++++++++++++++--
 drivers/gpu/drm/radeon/radeon_fb.c      | 14 ++++-
 drivers/gpu/drm/radeon/radeon_irq_kms.c |  2 +-
 drivers/gpu/drm/radeon/radeon_mode.h    |  2 +-
 include/drm/drm_fb_helper.h             | 12 +++-
 6 files changed, 101 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 305c5900396..be5aa7d5206 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -23,6 +23,7 @@ config DRM_KMS_HELPER
 	depends on DRM
 	select FB
 	select FRAMEBUFFER_CONSOLE if !EMBEDDED
+	select SLOW_WORK
 	help
 	  FB and CRTC helpers for KMS drivers.
 
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 6374e9b75d4..3312092f2c7 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1308,9 +1308,14 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
 	/*
 	 * we shouldn't end up with no modes here.
 	 */
-	if (count == 0)
-		printk(KERN_INFO "No connectors reported connected with modes\n");
-
+	if (count == 0) {
+		if (fb_helper->poll_enabled) {
+			delayed_slow_work_enqueue(&fb_helper->output_poll_slow_work,
+						  5*HZ);
+			printk(KERN_INFO "No connectors reported connected with modes - started polling\n");
+		} else
+			printk(KERN_INFO "No connectors reported connected with modes\n");
+	}
 	drm_setup_crtcs(fb_helper);
 
 	return 0;
@@ -1318,15 +1323,80 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
 EXPORT_SYMBOL(drm_fb_helper_initial_config);
 
 bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
-				 u32 max_width, u32 max_height)
+				 u32 max_width, u32 max_height, bool polled)
 {
+	int count = 0;
+	int ret;
 	DRM_DEBUG_KMS("\n");
 
-	drm_fb_helper_probe_connector_modes(fb_helper, max_width,
+	count = drm_fb_helper_probe_connector_modes(fb_helper, max_width,
 						    max_height);
-
+	if (fb_helper->poll_enabled && !polled) {
+		if (count) {
+			delayed_slow_work_cancel(&fb_helper->output_poll_slow_work);
+		} else {
+			ret = delayed_slow_work_enqueue(&fb_helper->output_poll_slow_work, 5*HZ);
+		}
+	}
 	drm_setup_crtcs(fb_helper);
 
 	return true;
 }
 EXPORT_SYMBOL(drm_helper_fb_hotplug_event);
+
+static void output_poll_execute(struct slow_work *work)
+{
+	struct delayed_slow_work *delayed_work = container_of(work, struct delayed_slow_work, work);
+	struct drm_fb_helper *fb_helper = container_of(delayed_work, struct drm_fb_helper, output_poll_slow_work);
+	struct drm_device *dev = fb_helper->dev;
+	struct drm_connector *connector;
+	enum drm_connector_status old_status, status;
+	bool repoll = true, changed = false;
+	int ret;
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		old_status = connector->status;
+		status = connector->funcs->detect(connector);
+		if (old_status != status) {
+			changed = true;
+			/* something changed */
+		}
+		if (status == connector_status_connected) {
+			DRM_DEBUG("%s is connected - stop polling\n", drm_get_connector_name(connector));
+			repoll = false;
+		}
+	}
+
+	if (repoll) {
+		ret = delayed_slow_work_enqueue(delayed_work, 5*HZ);
+		if (ret)
+			DRM_ERROR("delayed enqueue failed %d\n", ret);
+	}
+
+	if (changed) {
+		if (fb_helper->fb_poll_changed)
+			fb_helper->fb_poll_changed(fb_helper);
+	}
+}
+
+struct slow_work_ops output_poll_ops = {
+	.execute = output_poll_execute,
+};
+
+void drm_fb_helper_poll_init(struct drm_fb_helper *fb_helper)
+{
+	int ret;
+
+	ret = slow_work_register_user(THIS_MODULE);
+
+	delayed_slow_work_init(&fb_helper->output_poll_slow_work, &output_poll_ops);
+	fb_helper->poll_enabled = true;
+}
+EXPORT_SYMBOL(drm_fb_helper_poll_init);
+
+void drm_fb_helper_poll_fini(struct drm_fb_helper *fb_helper)
+{
+	delayed_slow_work_cancel(&fb_helper->output_poll_slow_work);
+	slow_work_unregister_user(THIS_MODULE);
+}
+EXPORT_SYMBOL(drm_fb_helper_poll_fini);
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 7275b2e0944..7913e50fe50 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -321,18 +321,23 @@ static int radeonfb_probe(struct radeon_fbdev *rfbdev)
 	return drm_fb_helper_single_fb_probe(&rfbdev->helper, bpp_sel);
 }
 
-void radeonfb_hotplug(struct drm_device *dev)
+void radeonfb_hotplug(struct drm_device *dev, bool polled)
 {
 	struct radeon_device *rdev = dev->dev_private;
 	int max_width, max_height;
 
 	max_width = rdev->mode_info.rfbdev->rfb.base.width;
 	max_height = rdev->mode_info.rfbdev->rfb.base.height;
-	drm_helper_fb_hotplug_event(&rdev->mode_info.rfbdev->helper, max_width, max_height);
+	drm_helper_fb_hotplug_event(&rdev->mode_info.rfbdev->helper, max_width, max_height, polled);
 
 	radeonfb_probe(rdev->mode_info.rfbdev);
 }
 
+static void radeon_fb_poll_changed(struct drm_fb_helper *fb_helper)
+{
+	radeonfb_hotplug(fb_helper->dev, true);
+}
+
 static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
 {
 	struct fb_info *info;
@@ -381,8 +386,12 @@ int radeon_fbdev_init(struct radeon_device *rdev)
 
 	drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
 
+	rfbdev->helper.fb_poll_changed = radeon_fb_poll_changed;
+	drm_fb_helper_poll_init(&rfbdev->helper);
+
 	drm_fb_helper_initial_config(&rfbdev->helper);
 	radeonfb_probe(rfbdev);
+
 	return 0;
 
 }
@@ -392,6 +401,7 @@ void radeon_fbdev_fini(struct radeon_device *rdev)
 	if (!rdev->mode_info.rfbdev)
 		return;
 
+	drm_fb_helper_poll_fini(&rdev->mode_info.rfbdev->helper);
 	radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev);
 	kfree(rdev->mode_info.rfbdev);
 	rdev->mode_info.rfbdev = NULL;
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index e7afd80a3d6..a95907aa7ea 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -55,7 +55,7 @@ static void radeon_hotplug_work_func(struct work_struct *work)
 			radeon_connector_hotplug(connector);
 	}
 	/* Just fire off a uevent and let userspace tell us what to do */
-	radeonfb_hotplug(dev);
+	radeonfb_hotplug(dev, false);
 
 	drm_sysfs_hotplug_event(dev);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 165f6025a3b..4a086c09e11 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -585,5 +585,5 @@ void radeon_fbdev_fini(struct radeon_device *rdev);
 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
 int radeon_fbdev_total_size(struct radeon_device *rdev);
 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
-void radeonfb_hotplug(struct drm_device *dev);
+void radeonfb_hotplug(struct drm_device *dev, bool polled);
 #endif
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 50094f94d4c..a073d73c195 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -30,6 +30,8 @@
 #ifndef DRM_FB_HELPER_H
 #define DRM_FB_HELPER_H
 
+#include <linux/slow-work.h>
+
 struct drm_fb_helper_crtc {
 	uint32_t crtc_id;
 	struct drm_mode_set mode_set;
@@ -86,8 +88,12 @@ struct drm_fb_helper {
 	u32 pseudo_palette[17];
 	struct list_head kernel_fb_list;
 
+	struct delayed_slow_work output_poll_slow_work;
+	bool poll_enabled;
 	int (*fb_probe)(struct drm_fb_helper *helper,
 			struct drm_fb_helper_surface_size *sizes);
+
+	void (*fb_poll_changed)(struct drm_fb_helper *helper);
 };
 
 int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
@@ -118,9 +124,11 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
 
 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
 
-bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper, u32 max_width,
-				 u32 max_height);
+bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
+				 u32 max_width, u32 max_height, bool polled);
 bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper);
 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
 
+void drm_fb_helper_poll_init(struct drm_fb_helper *fb_helper);
+void drm_fb_helper_poll_fini(struct drm_fb_helper *fb_helper);
 #endif

From 4abe35204af82a018ca3ce6db4102aa09719698e Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 30 Mar 2010 05:34:18 +0000
Subject: [PATCH 0203/3638] drm/kms/fb: use slow work mechanism for normal
 hotplug also.

a) slow work is always used now for any fbcon hotplug, as its not
   a fast task and is more suited to being ran under slow work.

b) attempt to not do any fbdev changes when X is running as we'll
   just mess it up. This hooks set_par to hopefully do the changes
   once X hands control to fbdev.

This also adds the nouveau/intel hotplug support.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_fb_helper.c         | 209 ++++++++++++++----------
 drivers/gpu/drm/i915/i915_irq.c         |   1 +
 drivers/gpu/drm/i915/intel_drv.h        |   2 +
 drivers/gpu/drm/i915/intel_fb.c         |  42 ++---
 drivers/gpu/drm/nouveau/nouveau_fbcon.c |  45 +++--
 drivers/gpu/drm/nouveau/nouveau_fbcon.h |   2 +
 drivers/gpu/drm/nouveau/nv50_display.c  |   3 +
 drivers/gpu/drm/radeon/radeon_fb.c      |  74 ++++-----
 include/drm/drm_fb_helper.h             |  47 +++---
 9 files changed, 242 insertions(+), 183 deletions(-)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 3312092f2c7..b889eb0aaf5 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -41,6 +41,8 @@ MODULE_LICENSE("GPL and additional rights");
 
 static LIST_HEAD(kernel_fb_helper_list);
 
+static struct slow_work_ops output_status_change_ops;
+
 /* simple single crtc case helper function */
 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper)
 {
@@ -420,54 +422,81 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper)
 	kfree(helper->crtc_info);
 }
 
-int drm_fb_helper_init_crtc_count(struct drm_device *dev,
-				  struct drm_fb_helper *helper,
-				  int crtc_count, int max_conn_count)
+int drm_fb_helper_init(struct drm_device *dev,
+		       struct drm_fb_helper *fb_helper,
+		       int crtc_count, int max_conn_count,
+		       bool polled)
 {
 	struct drm_crtc *crtc;
 	int ret = 0;
 	int i;
 
-	INIT_LIST_HEAD(&helper->kernel_fb_list);
-	helper->dev = dev;
-	helper->crtc_info = kcalloc(crtc_count, sizeof(struct drm_fb_helper_crtc), GFP_KERNEL);
-	if (!helper->crtc_info)
-		return -ENOMEM;
-	helper->crtc_count = crtc_count;
+	fb_helper->dev = dev;
+	fb_helper->poll_enabled = polled;
 
-	helper->connector_info = kcalloc(dev->mode_config.num_connector, sizeof(struct drm_fb_helper_connector *), GFP_KERNEL);
-	if (!helper->connector_info) {
-		kfree(helper->crtc_info);
+	slow_work_register_user(THIS_MODULE);
+	delayed_slow_work_init(&fb_helper->output_status_change_slow_work,
+			       &output_status_change_ops);
+
+	INIT_LIST_HEAD(&fb_helper->kernel_fb_list);
+
+	fb_helper->crtc_info = kcalloc(crtc_count, sizeof(struct drm_fb_helper_crtc), GFP_KERNEL);
+	if (!fb_helper->crtc_info)
+		return -ENOMEM;
+
+	fb_helper->crtc_count = crtc_count;
+	fb_helper->connector_info = kcalloc(dev->mode_config.num_connector, sizeof(struct drm_fb_helper_connector *), GFP_KERNEL);
+	if (!fb_helper->connector_info) {
+		kfree(fb_helper->crtc_info);
 		return -ENOMEM;
 	}
-	helper->connector_count = 0;
+	fb_helper->connector_count = 0;
 
 	for (i = 0; i < crtc_count; i++) {
-		helper->crtc_info[i].mode_set.connectors =
+		fb_helper->crtc_info[i].mode_set.connectors =
 			kcalloc(max_conn_count,
 				sizeof(struct drm_connector *),
 				GFP_KERNEL);
 
-		if (!helper->crtc_info[i].mode_set.connectors) {
+		if (!fb_helper->crtc_info[i].mode_set.connectors) {
 			ret = -ENOMEM;
 			goto out_free;
 		}
-		helper->crtc_info[i].mode_set.num_connectors = 0;
+		fb_helper->crtc_info[i].mode_set.num_connectors = 0;
 	}
 
 	i = 0;
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		helper->crtc_info[i].crtc_id = crtc->base.id;
-		helper->crtc_info[i].mode_set.crtc = crtc;
+		fb_helper->crtc_info[i].crtc_id = crtc->base.id;
+		fb_helper->crtc_info[i].mode_set.crtc = crtc;
 		i++;
 	}
-	helper->conn_limit = max_conn_count;
+	fb_helper->conn_limit = max_conn_count;
 	return 0;
 out_free:
-	drm_fb_helper_crtc_free(helper);
+	drm_fb_helper_crtc_free(fb_helper);
 	return -ENOMEM;
 }
-EXPORT_SYMBOL(drm_fb_helper_init_crtc_count);
+EXPORT_SYMBOL(drm_fb_helper_init);
+
+void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)
+{
+	if (!list_empty(&fb_helper->kernel_fb_list)) {
+		list_del(&fb_helper->kernel_fb_list);
+		if (list_empty(&kernel_fb_helper_list)) {
+			printk(KERN_INFO "unregistered panic notifier\n");
+			atomic_notifier_chain_unregister(&panic_notifier_list,
+							 &paniced);
+			unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
+		}
+	}
+
+	drm_fb_helper_crtc_free(fb_helper);
+
+	delayed_slow_work_cancel(&fb_helper->output_status_change_slow_work);
+	slow_work_unregister_user(THIS_MODULE);
+}
+EXPORT_SYMBOL(drm_fb_helper_fini);
 
 static int setcolreg(struct drm_crtc *crtc, u16 red, u16 green,
 		     u16 blue, u16 regno, struct fb_info *info)
@@ -710,6 +739,11 @@ int drm_fb_helper_set_par(struct fb_info *info)
 		}
 	}
 	mutex_unlock(&dev->mode_config.mutex);
+
+	if (fb_helper->delayed_hotplug) {
+		fb_helper->delayed_hotplug = false;
+		delayed_slow_work_enqueue(&fb_helper->output_status_change_slow_work, 0);
+	}
 	return 0;
 }
 EXPORT_SYMBOL(drm_fb_helper_set_par);
@@ -751,7 +785,7 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 {
 	int new_fb = 0;
 	int crtc_count = 0;
-	int ret, i;
+	int i;
 	struct fb_info *info;
 	struct drm_fb_helper_surface_size sizes;
 	int gamma_size = 0;
@@ -827,7 +861,7 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 	}
 
 	/* push down into drivers */
-	new_fb = (*fb_helper->fb_probe)(fb_helper, &sizes);
+	new_fb = (*fb_helper->funcs->fb_probe)(fb_helper, &sizes);
 	if (new_fb < 0)
 		return new_fb;
 
@@ -840,11 +874,7 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 
 	if (new_fb) {
 		info->var.pixclock = 0;
-		ret = fb_alloc_cmap(&info->cmap, gamma_size, 0);
-		if (ret)
-			return ret;
 		if (register_framebuffer(info) < 0) {
-			fb_dealloc_cmap(&info->cmap);
 			return -EINVAL;
 		}
 
@@ -870,23 +900,6 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 }
 EXPORT_SYMBOL(drm_fb_helper_single_fb_probe);
 
-void drm_fb_helper_free(struct drm_fb_helper *helper)
-{
-	if (!list_empty(&helper->kernel_fb_list)) {
-		list_del(&helper->kernel_fb_list);
-		if (list_empty(&kernel_fb_helper_list)) {
-			printk(KERN_INFO "unregistered panic notifier\n");
-			atomic_notifier_chain_unregister(&panic_notifier_list,
-							 &paniced);
-			unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
-		}
-	}
-	drm_fb_helper_crtc_free(helper);
-	if (helper->fbdev->cmap.len)
-		fb_dealloc_cmap(&helper->fbdev->cmap);
-}
-EXPORT_SYMBOL(drm_fb_helper_free);
-
 void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
 			    uint32_t depth)
 {
@@ -1291,7 +1304,7 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
  * RETURNS:
  * Zero if everything went ok, nonzero otherwise.
  */
-bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
+bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel)
 {
 	struct drm_device *dev = fb_helper->dev;
 	int count = 0;
@@ -1304,13 +1317,12 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
 	count = drm_fb_helper_probe_connector_modes(fb_helper,
 						    dev->mode_config.max_width,
 						    dev->mode_config.max_height);
-
 	/*
 	 * we shouldn't end up with no modes here.
 	 */
 	if (count == 0) {
 		if (fb_helper->poll_enabled) {
-			delayed_slow_work_enqueue(&fb_helper->output_poll_slow_work,
+			delayed_slow_work_enqueue(&fb_helper->output_status_change_slow_work,
 						  5*HZ);
 			printk(KERN_INFO "No connectors reported connected with modes - started polling\n");
 		} else
@@ -1318,85 +1330,114 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
 	}
 	drm_setup_crtcs(fb_helper);
 
-	return 0;
+	return drm_fb_helper_single_fb_probe(fb_helper, bpp_sel);
 }
 EXPORT_SYMBOL(drm_fb_helper_initial_config);
 
-bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
-				 u32 max_width, u32 max_height, bool polled)
+/* we got a hotplug irq - need to update fbcon */
+void drm_helper_fb_hpd_irq_event(struct drm_fb_helper *fb_helper)
+{
+	/* if we don't have the fbdev registered yet do nothing */
+	if (!fb_helper->fbdev)
+		return;
+
+	/* schedule a slow work asap */
+	delayed_slow_work_enqueue(&fb_helper->output_status_change_slow_work, 0);
+}
+EXPORT_SYMBOL(drm_helper_fb_hpd_irq_event);
+
+bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper, bool polled)
 {
 	int count = 0;
 	int ret;
+	u32 max_width, max_height, bpp_sel;
+
+	if (!fb_helper->fb)
+		return false;
 	DRM_DEBUG_KMS("\n");
 
+	max_width = fb_helper->fb->width;
+	max_height = fb_helper->fb->height;
+	bpp_sel = fb_helper->fb->bits_per_pixel;
+
 	count = drm_fb_helper_probe_connector_modes(fb_helper, max_width,
 						    max_height);
 	if (fb_helper->poll_enabled && !polled) {
 		if (count) {
-			delayed_slow_work_cancel(&fb_helper->output_poll_slow_work);
+			delayed_slow_work_cancel(&fb_helper->output_status_change_slow_work);
 		} else {
-			ret = delayed_slow_work_enqueue(&fb_helper->output_poll_slow_work, 5*HZ);
+			ret = delayed_slow_work_enqueue(&fb_helper->output_status_change_slow_work, 5*HZ);
 		}
 	}
 	drm_setup_crtcs(fb_helper);
 
-	return true;
+	return drm_fb_helper_single_fb_probe(fb_helper, bpp_sel);
 }
 EXPORT_SYMBOL(drm_helper_fb_hotplug_event);
 
-static void output_poll_execute(struct slow_work *work)
+/*
+ * delayed work queue execution function
+ * - check if fbdev is actually in use on the gpu
+ *   - if not set delayed flag and repoll if necessary
+ * - check for connector status change
+ * - repoll if 0 modes found
+ *- call driver output status changed notifier
+ */
+static void output_status_change_execute(struct slow_work *work)
 {
 	struct delayed_slow_work *delayed_work = container_of(work, struct delayed_slow_work, work);
-	struct drm_fb_helper *fb_helper = container_of(delayed_work, struct drm_fb_helper, output_poll_slow_work);
-	struct drm_device *dev = fb_helper->dev;
+	struct drm_fb_helper *fb_helper = container_of(delayed_work, struct drm_fb_helper, output_status_change_slow_work);
 	struct drm_connector *connector;
 	enum drm_connector_status old_status, status;
-	bool repoll = true, changed = false;
+	bool repoll, changed = false;
 	int ret;
+	int i;
+	bool bound = false, crtcs_bound = false;
+	struct drm_crtc *crtc;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+	repoll = fb_helper->poll_enabled;
+
+	/* first of all check the fbcon framebuffer is actually bound to any crtc */
+	/* take into account that no crtc at all maybe bound */
+	list_for_each_entry(crtc, &fb_helper->dev->mode_config.crtc_list, head) {
+		if (crtc->fb)
+			crtcs_bound = true;
+		if (crtc->fb == fb_helper->fb)
+			bound = true;
+	}
+
+	if (bound == false && crtcs_bound) {
+		fb_helper->delayed_hotplug = true;
+		goto requeue;
+	}
+
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		connector = fb_helper->connector_info[i]->connector;
 		old_status = connector->status;
 		status = connector->funcs->detect(connector);
 		if (old_status != status) {
 			changed = true;
-			/* something changed */
 		}
-		if (status == connector_status_connected) {
+		if (status == connector_status_connected && repoll) {
 			DRM_DEBUG("%s is connected - stop polling\n", drm_get_connector_name(connector));
 			repoll = false;
 		}
 	}
 
+	if (changed) {
+		if (fb_helper->funcs->fb_output_status_changed)
+			fb_helper->funcs->fb_output_status_changed(fb_helper);
+	}
+
+requeue:
 	if (repoll) {
 		ret = delayed_slow_work_enqueue(delayed_work, 5*HZ);
 		if (ret)
 			DRM_ERROR("delayed enqueue failed %d\n", ret);
 	}
-
-	if (changed) {
-		if (fb_helper->fb_poll_changed)
-			fb_helper->fb_poll_changed(fb_helper);
-	}
 }
 
-struct slow_work_ops output_poll_ops = {
-	.execute = output_poll_execute,
+static struct slow_work_ops output_status_change_ops = {
+	.execute = output_status_change_execute,
 };
 
-void drm_fb_helper_poll_init(struct drm_fb_helper *fb_helper)
-{
-	int ret;
-
-	ret = slow_work_register_user(THIS_MODULE);
-
-	delayed_slow_work_init(&fb_helper->output_poll_slow_work, &output_poll_ops);
-	fb_helper->poll_enabled = true;
-}
-EXPORT_SYMBOL(drm_fb_helper_poll_init);
-
-void drm_fb_helper_poll_fini(struct drm_fb_helper *fb_helper)
-{
-	delayed_slow_work_cancel(&fb_helper->output_poll_slow_work);
-	slow_work_unregister_user(THIS_MODULE);
-}
-EXPORT_SYMBOL(drm_fb_helper_poll_fini);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5388354da0d..fdf08f22290 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -266,6 +266,7 @@ static void i915_hotplug_work_func(struct work_struct *work)
 		}
 	}
 	/* Just fire off a uevent and let userspace tell us what to do */
+	intelfb_hotplug(dev, false);
 	drm_sysfs_hotplug_event(dev);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 9ffb9f2c9ab..11fce595882 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -228,4 +228,6 @@ extern int intel_overlay_put_image(struct drm_device *dev, void *data,
 				   struct drm_file *file_priv);
 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
 			       struct drm_file *file_priv);
+
+void intelfb_hotplug(struct drm_device *dev, bool polled);
 #endif /* __INTEL_DRV_H__ */
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 8f7a7c47609..cc726ff0a02 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -65,12 +65,6 @@ static struct fb_ops intelfb_ops = {
 	.fb_setcmap = drm_fb_helper_setcmap,
 };
 
-static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
-	.gamma_set = intel_crtc_fb_gamma_set,
-	.gamma_get = intel_crtc_fb_gamma_get,
-};
-
-
 static int intelfb_create(struct intel_fbdev *ifbdev,
 			  struct drm_fb_helper_surface_size *sizes)
 {
@@ -129,7 +123,6 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
 
 	ifbdev->helper.fb = fb;
 	ifbdev->helper.fbdev = info;
-	ifbdev->helper.funcs = &intel_fb_helper_funcs;
 
 	strcpy(info->fix.id, "inteldrmfb");
 
@@ -154,6 +147,12 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
 		ret = -ENOSPC;
 		goto out_unpin;
 	}
+
+	ret = fb_alloc_cmap(&info->cmap, 256, 0);
+	if (ret) {
+		ret = -ENOMEM;
+		goto out_unpin;
+	}
 	info->screen_size = size;
 
 //	memset(info->screen_base, 0, size);
@@ -205,15 +204,18 @@ static int intel_fb_find_or_create_single(struct drm_fb_helper *helper,
 	return new_fb;
 }
 
-static int intelfb_probe(struct intel_fbdev *ifbdev)
+void intelfb_hotplug(struct drm_device *dev, bool polled)
 {
-	int ret;
-
-	DRM_DEBUG_KMS("\n");
-	ret = drm_fb_helper_single_fb_probe(&ifbdev->helper, 32);
-	return ret;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	drm_helper_fb_hpd_irq_event(&dev_priv->fbdev->helper);
 }
 
+static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
+	.gamma_set = intel_crtc_fb_gamma_set,
+	.gamma_get = intel_crtc_fb_gamma_get,
+	.fb_probe = intel_fb_find_or_create_single,
+};
+
 int intel_fbdev_destroy(struct drm_device *dev,
 			struct intel_fbdev *ifbdev)
 {
@@ -224,10 +226,12 @@ int intel_fbdev_destroy(struct drm_device *dev,
 		info = ifbdev->helper.fbdev;
 		unregister_framebuffer(info);
 		iounmap(info->screen_base);
+		if (info->cmap.len)
+			fb_dealloc_cmap(&info->cmap);
 		framebuffer_release(info);
 	}
 
-	drm_fb_helper_free(&ifbdev->helper);
+	drm_fb_helper_fini(&ifbdev->helper);
 
 	drm_framebuffer_cleanup(&ifb->base);
 	if (ifb->obj)
@@ -246,13 +250,13 @@ int intel_fbdev_init(struct drm_device *dev)
 		return -ENOMEM;
 
 	dev_priv->fbdev = ifbdev;
+	ifbdev->helper.funcs = &intel_fb_helper_funcs;
+
+	drm_fb_helper_init(dev, &ifbdev->helper, 2,
+			   INTELFB_CONN_LIMIT, false);
 
-	drm_fb_helper_init_crtc_count(dev, &ifbdev->helper, 2,
-				      INTELFB_CONN_LIMIT);
 	drm_fb_helper_single_add_all_connectors(&ifbdev->helper);
-	ifbdev->helper.fb_probe = intel_fb_find_or_create_single;
-	drm_fb_helper_initial_config(&ifbdev->helper);
-	intelfb_probe(ifbdev);
+	drm_fb_helper_initial_config(&ifbdev->helper, 32);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index fd5d3cde0a0..bc81ec7dc13 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -156,11 +156,6 @@ static void nouveau_fbcon_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 	*blue = nv_crtc->lut.b[regno];
 }
 
-static struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = {
-	.gamma_set = nouveau_fbcon_gamma_set,
-	.gamma_get = nouveau_fbcon_gamma_get
-};
-
 #if defined(__i386__) || defined(__x86_64__)
 static bool
 nouveau_fbcon_has_vesafb_or_efifb(struct drm_device *dev)
@@ -272,6 +267,12 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
 		goto out_unref;
 	}
 
+	ret = fb_alloc_cmap(&info->cmap, 256, 0);
+	if (ret) {
+		ret = -ENOMEM;
+		goto out_unref;
+	}
+
 	info->par = nfbdev;
 
 	nouveau_framebuffer_init(dev, &nfbdev->nouveau_fb, &mode_cmd, nvbo);
@@ -282,7 +283,6 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
 	/* setup helper */
 	nfbdev->helper.fb = fb;
 	nfbdev->helper.fbdev = info;
-	nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs;
 
 	strcpy(info->fix.id, "nouveaufb");
 	if (nouveau_nofbaccel)
@@ -381,12 +381,15 @@ nouveau_fbcon_find_or_create_single(struct drm_fb_helper *helper,
 	return new_fb;
 }
 
-static int
-nouveau_fbcon_probe(struct nouveau_fbdev *nfbdev)
+void nouveau_fbcon_hotplug(struct drm_device *dev)
 {
-	NV_DEBUG_KMS(nfbdev->dev, "\n");
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	drm_helper_fb_hpd_irq_event(&dev_priv->nfbdev->helper);
+}
 
-	return drm_fb_helper_single_fb_probe(&nfbdev->helper, 32);
+static void nouveau_fbcon_output_status_changed(struct drm_fb_helper *fb_helper)
+{
+	drm_helper_fb_hotplug_event(fb_helper, true);
 }
 
 int
@@ -398,6 +401,8 @@ nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
 	if (nfbdev->helper.fbdev) {
 		info = nfbdev->helper.fbdev;
 		unregister_framebuffer(info);
+		if (info->cmap.len)
+			fb_dealloc_cmap(&info->cmap);
 		framebuffer_release(info);
 	}
 
@@ -406,7 +411,7 @@ nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
 		drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
 		nouveau_fb->nvbo = NULL;
 	}
-	drm_fb_helper_free(&nfbdev->helper);
+	drm_fb_helper_fini(&nfbdev->helper);
 	drm_framebuffer_cleanup(&nouveau_fb->base);
 	return 0;
 }
@@ -420,6 +425,14 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info)
 	info->flags |= FBINFO_HWACCEL_DISABLED;
 }
 
+static struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = {
+	.gamma_set = nouveau_fbcon_gamma_set,
+	.gamma_get = nouveau_fbcon_gamma_get,
+	.fb_probe = nouveau_fbcon_find_or_create_single,
+	.fb_output_status_changed = nouveau_fbcon_output_status_changed,
+};
+
+
 int nouveau_fbcon_init(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
@@ -431,14 +444,12 @@ int nouveau_fbcon_init(struct drm_device *dev)
 
 	nfbdev->dev = dev;
 	dev_priv->nfbdev = nfbdev;
+	nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs;
 
-	drm_fb_helper_init_crtc_count(dev, &nfbdev->helper,
-				      2, 4);
-	nfbdev->helper.fb_probe = nouveau_fbcon_find_or_create_single;
+	drm_fb_helper_init(dev, &nfbdev->helper,
+			   2, 4, true);
 	drm_fb_helper_single_add_all_connectors(&nfbdev->helper);
-
-	drm_fb_helper_initial_config(&nfbdev->helper);
-	nouveau_fbcon_probe(nfbdev);
+	drm_fb_helper_initial_config(&nfbdev->helper, 32);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.h b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
index 7835b568555..bf8e00d4de6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
@@ -57,5 +57,7 @@ void nouveau_fbcon_set_suspend(struct drm_device *dev, int state);
 void nouveau_fbcon_zfill_all(struct drm_device *dev);
 void nouveau_fbcon_save_disable_accel(struct drm_device *dev);
 void nouveau_fbcon_restore_accel(struct drm_device *dev);
+
+void nouveau_fbcon_hotplug(struct drm_device *dev);
 #endif /* __NV50_FBCON_H__ */
 
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index fac6c88a2b1..d4f06c2a61e 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -29,6 +29,7 @@
 #include "nouveau_encoder.h"
 #include "nouveau_connector.h"
 #include "nouveau_fb.h"
+#include "nouveau_fbcon.h"
 #include "drm_crtc_helper.h"
 
 static void
@@ -941,6 +942,8 @@ nv50_display_irq_hotplug(struct drm_device *dev)
 	nv_wr32(dev, 0xe054, nv_rd32(dev, 0xe054));
 	if (dev_priv->chipset >= 0x90)
 		nv_wr32(dev, 0xe074, nv_rd32(dev, 0xe074));
+
+	nouveau_fbcon_hotplug(dev);
 }
 
 void
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 7913e50fe50..93cc54fac33 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -86,11 +86,6 @@ static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bo
 	return aligned;
 }
 
-static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
-	.gamma_set = radeon_crtc_fb_gamma_set,
-	.gamma_get = radeon_crtc_fb_gamma_get,
-};
-
 static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
 {
 	struct radeon_bo *rbo = gobj->driver_private;
@@ -222,7 +217,6 @@ static int radeonfb_create(struct radeon_fbdev *rfbdev,
 	/* setup helper */
 	rfbdev->helper.fb = fb;
 	rfbdev->helper.fbdev = info;
-	rfbdev->helper.funcs = &radeon_fb_helper_funcs;
 
 	memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo));
 
@@ -252,10 +246,18 @@ static int radeonfb_create(struct radeon_fbdev *rfbdev,
 	info->pixmap.access_align = 32;
 	info->pixmap.flags = FB_PIXMAP_SYSTEM;
 	info->pixmap.scan_align = 1;
+
 	if (info->screen_base == NULL) {
 		ret = -ENOSPC;
 		goto out_unref;
 	}
+
+	ret = fb_alloc_cmap(&info->cmap, 256, 0);
+	if (ret) {
+		ret = -ENOMEM;
+		goto out_unref;
+	}
+
 	DRM_INFO("fb mappable at 0x%lX\n",  info->fix.smem_start);
 	DRM_INFO("vram apper at 0x%lX\n",  (unsigned long)rdev->mc.aper_base);
 	DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo));
@@ -309,33 +311,16 @@ int radeon_parse_options(char *options)
 	return 0;
 }
 
-static int radeonfb_probe(struct radeon_fbdev *rfbdev)
-{
-	struct radeon_device *rdev = rfbdev->rdev;
-	int bpp_sel = 32;
-
-	/* select 8 bpp console on RN50 or 16MB cards */
-	if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
-		bpp_sel = 8;
-
-	return drm_fb_helper_single_fb_probe(&rfbdev->helper, bpp_sel);
-}
-
 void radeonfb_hotplug(struct drm_device *dev, bool polled)
 {
 	struct radeon_device *rdev = dev->dev_private;
-	int max_width, max_height;
 
-	max_width = rdev->mode_info.rfbdev->rfb.base.width;
-	max_height = rdev->mode_info.rfbdev->rfb.base.height;
-	drm_helper_fb_hotplug_event(&rdev->mode_info.rfbdev->helper, max_width, max_height, polled);
-
-	radeonfb_probe(rdev->mode_info.rfbdev);
+	drm_helper_fb_hpd_irq_event(&rdev->mode_info.rfbdev->helper);
 }
 
-static void radeon_fb_poll_changed(struct drm_fb_helper *fb_helper)
+static void radeon_fb_output_status_changed(struct drm_fb_helper *fb_helper)
 {
-	radeonfb_hotplug(fb_helper->dev, true);
+	drm_helper_fb_hotplug_event(fb_helper, true);
 }
 
 static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
@@ -347,7 +332,10 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb
 
 	if (rfbdev->helper.fbdev) {
 		info = rfbdev->helper.fbdev;
+
 		unregister_framebuffer(info);
+		if (info->cmap.len)
+			fb_dealloc_cmap(&info->cmap);
 		framebuffer_release(info);
 	}
 
@@ -361,16 +349,27 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb
 		}
 		drm_gem_object_unreference_unlocked(rfb->obj);
 	}
-	drm_fb_helper_free(&rfbdev->helper);
+	drm_fb_helper_fini(&rfbdev->helper);
 	drm_framebuffer_cleanup(&rfb->base);
 
 	return 0;
 }
-MODULE_LICENSE("GPL");
+
+static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
+	.gamma_set = radeon_crtc_fb_gamma_set,
+	.gamma_get = radeon_crtc_fb_gamma_get,
+	.fb_probe = radeon_fb_find_or_create_single,
+	.fb_output_status_changed = radeon_fb_output_status_changed,
+};
 
 int radeon_fbdev_init(struct radeon_device *rdev)
 {
 	struct radeon_fbdev *rfbdev;
+	int bpp_sel = 32;
+
+	/* select 8 bpp console on RN50 or 16MB cards */
+	if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
+		bpp_sel = 8;
 
 	rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL);
 	if (!rfbdev)
@@ -378,20 +377,13 @@ int radeon_fbdev_init(struct radeon_device *rdev)
 
 	rfbdev->rdev = rdev;
 	rdev->mode_info.rfbdev = rfbdev;
+	rfbdev->helper.funcs = &radeon_fb_helper_funcs;
 
-	drm_fb_helper_init_crtc_count(rdev->ddev, &rfbdev->helper,
-				      rdev->num_crtc,
-				      RADEONFB_CONN_LIMIT);
-	rfbdev->helper.fb_probe = radeon_fb_find_or_create_single;
-
+	drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
+			   rdev->num_crtc,
+			   RADEONFB_CONN_LIMIT, true);
 	drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
-
-	rfbdev->helper.fb_poll_changed = radeon_fb_poll_changed;
-	drm_fb_helper_poll_init(&rfbdev->helper);
-
-	drm_fb_helper_initial_config(&rfbdev->helper);
-	radeonfb_probe(rfbdev);
-
+	drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
 	return 0;
 
 }
@@ -401,7 +393,6 @@ void radeon_fbdev_fini(struct radeon_device *rdev)
 	if (!rdev->mode_info.rfbdev)
 		return;
 
-	drm_fb_helper_poll_fini(&rdev->mode_info.rfbdev->helper);
 	radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev);
 	kfree(rdev->mode_info.rfbdev);
 	rdev->mode_info.rfbdev = NULL;
@@ -428,4 +419,3 @@ bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
 		return true;
 	return false;
 }
-
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index a073d73c195..9b55a94fead 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -32,20 +32,14 @@
 
 #include <linux/slow-work.h>
 
+struct drm_fb_helper;
+
 struct drm_fb_helper_crtc {
 	uint32_t crtc_id;
 	struct drm_mode_set mode_set;
 	struct drm_display_mode *desired_mode;
 };
 
-
-struct drm_fb_helper_funcs {
-	void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
-			  u16 blue, int regno);
-	void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
-			  u16 *blue, int regno);
-};
-
 /* mode specified on the command line */
 struct drm_fb_helper_cmdline_mode {
 	bool specified;
@@ -69,6 +63,19 @@ struct drm_fb_helper_surface_size {
 	u32 surface_depth;
 };
 
+struct drm_fb_helper_funcs {
+	void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
+			  u16 blue, int regno);
+	void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
+			  u16 *blue, int regno);
+
+	int (*fb_probe)(struct drm_fb_helper *helper,
+			struct drm_fb_helper_surface_size *sizes);
+
+	void (*fb_output_status_changed)(struct drm_fb_helper *helper);
+
+};
+
 struct drm_fb_helper_connector {
 	struct drm_fb_helper_cmdline_mode cmdline_mode;
 	struct drm_connector *connector;
@@ -88,21 +95,20 @@ struct drm_fb_helper {
 	u32 pseudo_palette[17];
 	struct list_head kernel_fb_list;
 
-	struct delayed_slow_work output_poll_slow_work;
+	struct delayed_slow_work output_status_change_slow_work;
 	bool poll_enabled;
-	int (*fb_probe)(struct drm_fb_helper *helper,
-			struct drm_fb_helper_surface_size *sizes);
-
-	void (*fb_poll_changed)(struct drm_fb_helper *helper);
+	/* we got a hotplug but fbdev wasn't running the console
+	   delay until next set_par */
+	bool delayed_hotplug;
 };
 
 int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
 				  int preferred_bpp);
 
-int drm_fb_helper_init_crtc_count(struct drm_device *dev,
-				  struct drm_fb_helper *helper, int crtc_count,
-				  int max_conn);
-void drm_fb_helper_free(struct drm_fb_helper *helper);
+int drm_fb_helper_init(struct drm_device *dev,
+		       struct drm_fb_helper *helper, int crtc_count,
+		       int max_conn, bool polled);
+void drm_fb_helper_fini(struct drm_fb_helper *helper);
 int drm_fb_helper_blank(int blank, struct fb_info *info);
 int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
 			      struct fb_info *info);
@@ -125,10 +131,9 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
 
 bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
-				 u32 max_width, u32 max_height, bool polled);
-bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper);
+				 bool polled);
+bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
 
-void drm_fb_helper_poll_init(struct drm_fb_helper *fb_helper);
-void drm_fb_helper_poll_fini(struct drm_fb_helper *fb_helper);
+void drm_helper_fb_hpd_irq_event(struct drm_fb_helper *fb_helper);
 #endif

From 58706ef96fa10edad1ce492313c8314cd5916fbe Mon Sep 17 00:00:00 2001
From: Corey Minyard <cminyard@mvista.com>
Date: Fri, 29 Jan 2010 14:18:20 +0000
Subject: [PATCH 0204/3638] powerpc: Add a new zImage for maple using a
 different link address

The maple platform failed to load because it's firmware could not take a
link address of 0x4000000.  A new platform type with a link address of
0x400000 had to be created for the maple.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/boot/Makefile | 4 ++--
 arch/powerpc/boot/wrapper  | 6 +++++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index bb2465bcb32..25e889c0c06 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -169,7 +169,7 @@ quiet_cmd_wrap	= WRAP    $@
 		$(if $3, -s $3)$(if $4, -d $4)$(if $5, -i $5) vmlinux
 
 image-$(CONFIG_PPC_PSERIES)		+= zImage.pseries
-image-$(CONFIG_PPC_MAPLE)		+= zImage.pseries
+image-$(CONFIG_PPC_MAPLE)		+= zImage.maple
 image-$(CONFIG_PPC_IBM_CELL_BLADE)	+= zImage.pseries
 image-$(CONFIG_PPC_PS3)			+= dtbImage.ps3
 image-$(CONFIG_PPC_CELLEB)		+= zImage.pseries
@@ -351,7 +351,7 @@ install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
 clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
 	zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
 	zImage.iseries zImage.miboot zImage.pmac zImage.pseries \
-	simpleImage.* otheros.bld *.dtb
+	zImage.maple simpleImage.* otheros.bld *.dtb
 
 # clean up files cached by wrapper
 clean-kernel := vmlinux.strip vmlinux.bin
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index f4594ed09a2..7160b3b1fb3 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -149,6 +149,10 @@ pseries)
     platformo=$object/of.o
     link_address='0x4000000'
     ;;
+maple)
+    platformo=$object/of.o
+    link_address='0x400000'
+    ;;
 pmac|chrp)
     platformo=$object/of.o
     ;;
@@ -321,7 +325,7 @@ fi
 
 # post-processing needed for some platforms
 case "$platform" in
-pseries|chrp)
+pseries|chrp|maple)
     $objbin/addnote "$ofile"
     ;;
 coff)

From f467bc148d05a1465211102804858df9c667f8b9 Mon Sep 17 00:00:00 2001
From: Corey Minyard <cminyard@mvista.com>
Date: Mon, 1 Feb 2010 09:37:46 +0000
Subject: [PATCH 0205/3638] powerpc/mpsc: Set the port device in the mpsc
 serial driver

The mpsc serial driver needx to set the port's device tree element
to register properly.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/serial/mpsc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index 55e113a0be0..6a9c6605666 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -2071,6 +2071,7 @@ static int mpsc_drv_probe(struct platform_device *dev)
 
 		if (!(rc = mpsc_drv_map_regs(pi, dev))) {
 			mpsc_drv_get_platform_data(pi, dev, dev->id);
+			pi->port.dev = &dev->dev;
 
 			if (!(rc = mpsc_make_ready(pi))) {
 				spin_lock_init(&pi->tx_lock);

From 55052eeca6d71d76f7c3f156c0501814d8e5e6d3 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Wed, 7 Apr 2010 14:39:36 +1000
Subject: [PATCH 0206/3638] powerpc: Fix ioremap_flags() with book3e pte
 definition

We can't just clear the user read permission in book3e pte, because
that will also clear supervisor read permission.  This surely isn't
desired.  Fix the problem by adding the supervisor read back.

BenH: Slightly simplified the ifdef and applied to ppc64 too

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/pgtable_32.c | 8 ++++++++
 arch/powerpc/mm/pgtable_64.c | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index b9243e7557a..767b0cf17d3 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -146,6 +146,14 @@ ioremap_flags(phys_addr_t addr, unsigned long size, unsigned long flags)
 	/* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
 	flags &= ~(_PAGE_USER | _PAGE_EXEC);
 
+#ifdef _PAGE_BAP_SR
+	/* _PAGE_USER contains _PAGE_BAP_SR on BookE using the new PTE format
+	 * which means that we just cleared supervisor access... oops ;-) This
+	 * restores it
+	 */
+	flags |= _PAGE_BAP_SR;
+#endif
+
 	return __ioremap_caller(addr, size, flags, __builtin_return_address(0));
 }
 EXPORT_SYMBOL(ioremap_flags);
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index d95679a5fb2..d050fc8d971 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -265,6 +265,14 @@ void __iomem * ioremap_flags(phys_addr_t addr, unsigned long size,
 	/* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
 	flags &= ~(_PAGE_USER | _PAGE_EXEC);
 
+#ifdef _PAGE_BAP_SR
+	/* _PAGE_USER contains _PAGE_BAP_SR on BookE using the new PTE format
+	 * which means that we just cleared supervisor access... oops ;-) This
+	 * restores it
+	 */
+	flags |= _PAGE_BAP_SR;
+#endif
+
 	if (ppc_md.ioremap)
 		return ppc_md.ioremap(addr, size, flags, caller);
 	return __ioremap_caller(addr, size, flags, caller);

From 578b7cd1518f8d1b17a7fb1671d3d756c9cb49f1 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Wed, 7 Apr 2010 14:44:28 +1000
Subject: [PATCH 0207/3638] powerpc/vio: Add modalias support

BenH: Added to vio_cmo_dev_attrs as well

Provide a modalias entry for VIO devices in sysfs.  I believe
this was another initrd generation bugfix for anaconda.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/vio.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 82237176a2a..2f57956714b 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -958,9 +958,12 @@ viodev_cmo_rd_attr(allocated);
 
 static ssize_t name_show(struct device *, struct device_attribute *, char *);
 static ssize_t devspec_show(struct device *, struct device_attribute *, char *);
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+			     char *buf);
 static struct device_attribute vio_cmo_dev_attrs[] = {
 	__ATTR_RO(name),
 	__ATTR_RO(devspec),
+	__ATTR_RO(modalias),
 	__ATTR(cmo_desired,       S_IWUSR|S_IRUSR|S_IWGRP|S_IRGRP|S_IROTH,
 	       viodev_cmo_desired_show, viodev_cmo_desired_set),
 	__ATTR(cmo_entitled,      S_IRUGO, viodev_cmo_entitled_show,      NULL),
@@ -1320,9 +1323,27 @@ static ssize_t devspec_show(struct device *dev,
 	return sprintf(buf, "%s\n", of_node ? of_node->full_name : "none");
 }
 
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	const struct vio_dev *vio_dev = to_vio_dev(dev);
+	struct device_node *dn;
+	const char *cp;
+
+	dn = dev->archdata.of_node;
+	if (!dn)
+		return -ENODEV;
+	cp = of_get_property(dn, "compatible", NULL);
+	if (!cp)
+		return -ENODEV;
+
+	return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp);
+}
+
 static struct device_attribute vio_dev_attrs[] = {
 	__ATTR_RO(name),
 	__ATTR_RO(devspec),
+	__ATTR_RO(modalias),
 	__ATTR_NULL
 };
 

From 9c7cc234dc5edf5379fbbab4973f6704f59bc57b Mon Sep 17 00:00:00 2001
From: "K.Prasad" <prasad@linux.vnet.ibm.com>
Date: Mon, 29 Mar 2010 23:59:25 +0000
Subject: [PATCH 0208/3638] powerpc: Disable interrupts for data breakpoint
 exceptions

Data address breakpoint exceptions are currently handled along with page-faults
which require interrupts to remain in enabled state. Since exception handling
for data breakpoints aren't pre-empt safe, we handle them separately.

Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/exceptions-64s.S | 13 ++++++++++++-
 arch/powerpc/mm/fault.c              |  5 +++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index e3be98ffe2a..3e423fbad6b 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -735,8 +735,11 @@ _STATIC(do_hash_page)
 	std	r3,_DAR(r1)
 	std	r4,_DSISR(r1)
 
-	andis.	r0,r4,0xa450		/* weird error? */
+	andis.	r0,r4,0xa410		/* weird error? */
 	bne-	handle_page_fault	/* if not, try to insert a HPTE */
+	andis.  r0,r4,DSISR_DABRMATCH@h
+	bne-    handle_dabr_fault
+
 BEGIN_FTR_SECTION
 	andis.	r0,r4,0x0020		/* Is it a segment table fault? */
 	bne-	do_ste_alloc		/* If so handle it */
@@ -823,6 +826,14 @@ END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES)
 	bl	.raw_local_irq_restore
 	b	11f
 
+/* We have a data breakpoint exception - handle it */
+handle_dabr_fault:
+	ld      r4,_DAR(r1)
+	ld      r5,_DSISR(r1)
+	addi    r3,r1,STACK_FRAME_OVERHEAD
+	bl      .do_dabr
+	b       .ret_from_except_lite
+
 /* Here we have a page fault that hash_page can't handle. */
 handle_page_fault:
 	ENABLE_INTS
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 26fb6b990b0..83ac4935eb1 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -151,13 +151,14 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
 	if (!user_mode(regs) && (address >= TASK_SIZE))
 		return SIGSEGV;
 
-#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
+#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE) || \
+			     defined(CONFIG_PPC_BOOK3S_64))
   	if (error_code & DSISR_DABRMATCH) {
 		/* DABR match */
 		do_dabr(regs, address, error_code);
 		return 0;
 	}
-#endif /* !(CONFIG_4xx || CONFIG_BOOKE)*/
+#endif
 
 	if (in_atomic() || mm == NULL) {
 		if (!user_mode(regs))

From 6fe9d1facb5346a615f9b571df3b91593afb29c3 Mon Sep 17 00:00:00 2001
From: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Date: Wed, 31 Mar 2010 21:39:24 +0000
Subject: [PATCH 0209/3638] powerpc/pseries: Export data from new hcall
 H_EM_GET_PARMS

Add support for H_EM_GET_PARMS hcall that will return data
related to power modes from the platform.  Export the data
directly to user space for administrative tools to interpret
and use.

cat /proc/powerpc/lparcfg will export power mode data

Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/hvcall.h |  1 +
 arch/powerpc/kernel/lparcfg.c     | 12 +++++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index f0275818b95..ebe7493e93e 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -228,6 +228,7 @@
 #define H_JOIN			0x298
 #define H_VASI_STATE            0x2A4
 #define H_ENABLE_CRQ		0x2B0
+#define H_GET_EM_PARMS		0x2B8
 #define H_SET_MPP		0x2D0
 #define H_GET_MPP		0x2D4
 #define MAX_HCALL_OPCODE	H_GET_MPP
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index c2c70e1b32c..50362b6ef6e 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -38,7 +38,7 @@
 #include <asm/vio.h>
 #include <asm/mmu.h>
 
-#define MODULE_VERS "1.8"
+#define MODULE_VERS "1.9"
 #define MODULE_NAME "lparcfg"
 
 /* #define LPARCFG_DEBUG */
@@ -487,6 +487,14 @@ static void splpar_dispatch_data(struct seq_file *m)
 	seq_printf(m, "dispatch_dispersions=%lu\n", dispatch_dispersions);
 }
 
+static void parse_em_data(struct seq_file *m)
+{
+	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
+
+	if (plpar_hcall(H_GET_EM_PARMS, retbuf) == H_SUCCESS)
+		seq_printf(m, "power_mode_data=%016lx\n", retbuf[0]);
+}
+
 static int pseries_lparcfg_data(struct seq_file *m, void *v)
 {
 	int partition_potential_processors;
@@ -541,6 +549,8 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
 
 	seq_printf(m, "slb_size=%d\n", mmu_slb_size);
 
+	parse_em_data(m);
+
 	return 0;
 }
 

From 43b5fefc24157def813154d1867d2960cefff837 Mon Sep 17 00:00:00 2001
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Date: Tue, 9 Mar 2010 09:35:00 +0000
Subject: [PATCH 0210/3638] powerpc/ppc32: Fixup pmd_page to work when
 ARCH_PFN_OFFSET is non-zero

Instead of referencing mem_map directly, use pfn_to_page. Otherwise
the kernel crashes when trying to start userspace if ARCH_PFN_OFFSET is
non-zero and CONFIG_BOOKE is not defined

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/pgtable-ppc32.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index 55646adfa84..a7db96f2b5c 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -287,7 +287,7 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
 #define pmd_page_vaddr(pmd)	\
 	((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
 #define pmd_page(pmd)		\
-	(mem_map + (pmd_val(pmd) >> PAGE_SHIFT))
+	pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)
 #else
 #define pmd_page_vaddr(pmd)	\
 	((unsigned long) (pmd_val(pmd) & PAGE_MASK))

From fe1691e3f49d41452832f5aee2b952bd201ccab1 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Tue, 2 Mar 2010 05:37:09 +0000
Subject: [PATCH 0211/3638] powerpc/8xx: Optimze TLB Miss handlers

This removes a couple of insn's from the TLB Miss
handlers whithout changing functionality.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/head_8xx.S | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 3ef743fa5d7..ecc4a02277e 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -343,17 +343,14 @@ InstructionTLBMiss:
 	cmpwi	cr0, r11, _PAGE_ACCESSED | _PAGE_PRESENT
 	bne-	cr0, 2f
 
-	/* Clear PP lsb, 0x400 */
-	rlwinm 	r10, r10, 0, 22, 20
-
 	/* The Linux PTE won't go exactly into the MMU TLB.
-	 * Software indicator bits 22 and 28 must be clear.
+	 * Software indicator bits 21 and 28 must be clear.
 	 * Software indicator bits 24, 25, 26, and 27 must be
 	 * set.  All other Linux PTE bits control the behavior
 	 * of the MMU.
 	 */
 	li	r11, 0x00f0
-	rlwimi	r10, r11, 0, 24, 28	/* Set 24-27, clear 28 */
+	rlwimi	r10, r11, 0, 0x07f8	/* Set 24-27, clear 21-23,28 */
 	DO_8xx_CPU6(0x2d80, r3)
 	mtspr	SPRN_MI_RPN, r10	/* Update TLB entry */
 
@@ -444,9 +441,7 @@ DataStoreTLBMiss:
 
 	/* Honour kernel RO, User NA */
 	/* 0x200 == Extended encoding, bit 22 */
-	/* r11 =  (r10 & _PAGE_USER) >> 2 */
-	rlwinm	r11, r10, 32-2, 0x200
-	or	r10, r11, r10
+	rlwimi	r10, r10, 32-2, 0x200 /* Copy USER to bit 22, 0x200 */
 	/* r11 =  (r10 & _PAGE_RW) >> 1 */
 	rlwinm	r11, r10, 32-1, 0x200
 	or	r10, r11, r10

From 4afb0be7ccda0ca551cc37572bab74ba4a3c18dd Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Tue, 2 Mar 2010 05:37:10 +0000
Subject: [PATCH 0212/3638] powerpc/8xx: Avoid testing for kernel space in ITLB
 Miss.

Only modules will cause ITLB Misses as we always pin
the first 8MB of kernel memory.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/head_8xx.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index ecc4a02277e..84ca1d9b9ed 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -318,12 +318,16 @@ InstructionTLBMiss:
 	/* If we are faulting a kernel address, we have to use the
 	 * kernel page tables.
 	 */
+#ifdef CONFIG_MODULES
+	/* Only modules will cause ITLB Misses as we always
+	 * pin the first 8MB of kernel memory */
 	andi.	r11, r10, 0x0800	/* Address >= 0x80000000 */
 	beq	3f
 	lis	r11, swapper_pg_dir@h
 	ori	r11, r11, swapper_pg_dir@l
 	rlwimi	r10, r11, 0, 2, 19
 3:
+#endif
 	lwz	r11, 0(r10)	/* Get the level 1 entry */
 	rlwinm.	r10, r11,0,0,19	/* Extract page descriptor page address */
 	beq	2f		/* If zero, don't try to find a pte */

From d069cb4373fe0d451357c4d3769623a7564dfa9f Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Tue, 2 Mar 2010 05:37:11 +0000
Subject: [PATCH 0213/3638] powerpc/8xx: Don't touch ACCESSED when no SWAP.

Only the swap function cares about the ACCESSED bit in
the pte. Do not waste cycles updateting ACCESSED when swap
is not compiled into the kernel.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/head_8xx.S | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 84ca1d9b9ed..6478a963255 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -343,10 +343,11 @@ InstructionTLBMiss:
 	mfspr	r11, SPRN_MD_TWC	/* ....and get the pte address */
 	lwz	r10, 0(r11)	/* Get the pte */
 
+#ifdef CONFIG_SWAP
 	andi.	r11, r10, _PAGE_ACCESSED | _PAGE_PRESENT
 	cmpwi	cr0, r11, _PAGE_ACCESSED | _PAGE_PRESENT
 	bne-	cr0, 2f
-
+#endif
 	/* The Linux PTE won't go exactly into the MMU TLB.
 	 * Software indicator bits 21 and 28 must be clear.
 	 * Software indicator bits 24, 25, 26, and 27 must be
@@ -439,10 +440,11 @@ DataStoreTLBMiss:
 	 * r11 = ((r10 & PRESENT) & ((r10 & ACCESSED) >> 5));
 	 * r10 = (r10 & ~PRESENT) | r11;
 	 */
+#ifdef CONFIG_SWAP
 	rlwinm	r11, r10, 32-5, _PAGE_PRESENT
 	and	r11, r11, r10
 	rlwimi	r10, r11, 0, _PAGE_PRESENT
-
+#endif
 	/* Honour kernel RO, User NA */
 	/* 0x200 == Extended encoding, bit 22 */
 	rlwimi	r10, r10, 32-2, 0x200 /* Copy USER to bit 22, 0x200 */

From 469d62be9263b92f2c3329540cbb1c076111f4f3 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Tue, 2 Mar 2010 05:37:12 +0000
Subject: [PATCH 0214/3638] powerpc/8xx: Use SPRG2 and DAR registers to stash
 r11 and cr.

This avoids storing these registers in memory.
CPU6 errata will still use the old way.
Remove some G2 leftover accesses from 2.4

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/head_8xx.S | 49 +++++++++++++++++++++++++---------
 1 file changed, 36 insertions(+), 13 deletions(-)

diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 6478a963255..1f1a04b5c2a 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -71,9 +71,6 @@ _ENTRY(_start);
  * in the first level table, but that would require many changes to the
  * Linux page directory/table functions that I don't want to do right now.
  *
- * I used to use SPRG2 for a temporary register in the TLB handler, but it
- * has since been put to other uses.  I now use a hack to save a register
- * and the CCR at memory location 0.....Someday I'll fix this.....
  *	-- Dan
  */
 	.globl	__start
@@ -302,8 +299,13 @@ InstructionTLBMiss:
 	DO_8xx_CPU6(0x3f80, r3)
 	mtspr	SPRN_M_TW, r10	/* Save a couple of working registers */
 	mfcr	r10
+#ifdef CONFIG_8xx_CPU6
 	stw	r10, 0(r0)
 	stw	r11, 4(r0)
+#else
+	mtspr	SPRN_DAR, r10
+	mtspr	SPRN_SPRG2, r11
+#endif
 	mfspr	r10, SPRN_SRR0	/* Get effective address of fault */
 #ifdef CONFIG_8xx_CPU15
 	addi	r11, r10, 0x1000
@@ -359,13 +361,19 @@ InstructionTLBMiss:
 	DO_8xx_CPU6(0x2d80, r3)
 	mtspr	SPRN_MI_RPN, r10	/* Update TLB entry */
 
-	mfspr	r10, SPRN_M_TW	/* Restore registers */
+	/* Restore registers */
+#ifndef CONFIG_8xx_CPU6
+	mfspr	r10, SPRN_DAR
+	mtcr	r10
+	mtspr	SPRN_DAR, r11	/* Tag DAR */
+	mfspr	r11, SPRN_SPRG2
+#else
 	lwz	r11, 0(r0)
 	mtcr	r11
 	lwz	r11, 4(r0)
-#ifdef CONFIG_8xx_CPU6
 	lwz	r3, 8(r0)
 #endif
+	mfspr	r10, SPRN_M_TW
 	rfi
 2:
 	mfspr	r11, SPRN_SRR1
@@ -375,13 +383,20 @@ InstructionTLBMiss:
 	rlwinm	r11, r11, 0, 0xffff
 	mtspr	SPRN_SRR1, r11
 
-	mfspr	r10, SPRN_M_TW	/* Restore registers */
+	/* Restore registers */
+#ifndef CONFIG_8xx_CPU6
+	mfspr	r10, SPRN_DAR
+	mtcr	r10
+	li	r11, 0x00f0
+	mtspr	SPRN_DAR, r11	/* Tag DAR */
+	mfspr	r11, SPRN_SPRG2
+#else
 	lwz	r11, 0(r0)
 	mtcr	r11
 	lwz	r11, 4(r0)
-#ifdef CONFIG_8xx_CPU6
 	lwz	r3, 8(r0)
 #endif
+	mfspr	r10, SPRN_M_TW
 	b	InstructionAccess
 
 	. = 0x1200
@@ -392,8 +407,13 @@ DataStoreTLBMiss:
 	DO_8xx_CPU6(0x3f80, r3)
 	mtspr	SPRN_M_TW, r10	/* Save a couple of working registers */
 	mfcr	r10
+#ifdef CONFIG_8xx_CPU6
 	stw	r10, 0(r0)
 	stw	r11, 4(r0)
+#else
+	mtspr	SPRN_DAR, r10
+	mtspr	SPRN_SPRG2, r11
+#endif
 	mfspr	r10, SPRN_M_TWB	/* Get level 1 table entry address */
 
 	/* If we are faulting a kernel address, we have to use the
@@ -461,18 +481,24 @@ DataStoreTLBMiss:
 	 * of the MMU.
 	 */
 2:	li	r11, 0x00f0
-	mtspr	SPRN_DAR,r11	/* Tag DAR */
 	rlwimi	r10, r11, 0, 24, 28	/* Set 24-27, clear 28 */
 	DO_8xx_CPU6(0x3d80, r3)
 	mtspr	SPRN_MD_RPN, r10	/* Update TLB entry */
 
-	mfspr	r10, SPRN_M_TW	/* Restore registers */
+	/* Restore registers */
+#ifndef CONFIG_8xx_CPU6
+	mfspr	r10, SPRN_DAR
+	mtcr	r10
+	mtspr	SPRN_DAR, r11	/* Tag DAR */
+	mfspr	r11, SPRN_SPRG2
+#else
+	mtspr	SPRN_DAR, r11	/* Tag DAR */
 	lwz	r11, 0(r0)
 	mtcr	r11
 	lwz	r11, 4(r0)
-#ifdef CONFIG_8xx_CPU6
 	lwz	r3, 8(r0)
 #endif
+	mfspr	r10, SPRN_M_TW
 	rfi
 
 /* This is an instruction TLB error on the MPC8xx.  This could be due
@@ -684,9 +710,6 @@ start_here:
 	tophys(r4,r2)
 	addi	r4,r4,THREAD	/* init task's THREAD */
 	mtspr	SPRN_SPRG_THREAD,r4
-	li	r3,0
-	/* XXX What is that for ? SPRG2 appears otherwise unused on 8xx */
-	mtspr	SPRN_SPRG2,r3	/* 0 => r1 has kernel sp */
 
 	/* stack */
 	lis	r1,init_thread_union@ha

From 6237cdac5dd26d5ba81acf5daa737c8645614410 Mon Sep 17 00:00:00 2001
From: d binderman <dcb314@hotmail.com>
Date: Fri, 19 Mar 2010 00:12:22 +0000
Subject: [PATCH 0215/3638] powerpc/aoa: gpio-pmf.c: 3 * redundant code

Signed-off-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 sound/aoa/core/gpio-pmf.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/sound/aoa/core/gpio-pmf.c b/sound/aoa/core/gpio-pmf.c
index 6776d1c12b6..7e267c9379b 100644
--- a/sound/aoa/core/gpio-pmf.c
+++ b/sound/aoa/core/gpio-pmf.c
@@ -116,12 +116,9 @@ static void pmf_gpio_exit(struct gpio_runtime *rt)
 	mutex_destroy(&rt->line_in_notify.mutex);
 	mutex_destroy(&rt->line_out_notify.mutex);
 
-	if (rt->headphone_notify.gpio_private)
-		kfree(rt->headphone_notify.gpio_private);
-	if (rt->line_in_notify.gpio_private)
-		kfree(rt->line_in_notify.gpio_private);
-	if (rt->line_out_notify.gpio_private)
-		kfree(rt->line_out_notify.gpio_private);
+	kfree(rt->headphone_notify.gpio_private);
+	kfree(rt->line_in_notify.gpio_private);
+	kfree(rt->line_out_notify.gpio_private);
 }
 
 static void pmf_handle_notify_irq(void *data)

From 213972e9faf8a16b27fee01ae7c7071de5080268 Mon Sep 17 00:00:00 2001
From: d binderman <dcb314@hotmail.com>
Date: Sat, 6 Feb 2010 02:13:29 +0000
Subject: [PATCH 0216/3638] powerpc/pmac/low_i2c.c: three minor problems

Fix minor nits found by cppcheck

[./arch/powerpc/platforms/powermac/low_i2c.c:594]: (style) The scope of the variable chans can be reduced
[./arch/powerpc/platforms/powermac/low_i2c.c:594]: (style) The scope of the variable i can be reduced
[./arch/powerpc/platforms/powermac/low_i2c.c:1260]: (style) Redundant condition. It is safe to deallocate a NULL pointer

Signed-off-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/powermac/low_i2c.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index f45331ab97c..06a137c5b8b 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -592,7 +592,7 @@ static void __init kw_i2c_probe(void)
 	/* Probe keywest-i2c busses */
 	for_each_compatible_node(np, "i2c","keywest-i2c") {
 		struct pmac_i2c_host_kw *host;
-		int multibus, chans, i;
+		int multibus;
 
 		/* Found one, init a host structure */
 		host = kw_i2c_host_init(np);
@@ -614,6 +614,8 @@ static void __init kw_i2c_probe(void)
 		 * parent type
 		 */
 		if (multibus) {
+			int chans, i;
+
 			parent = of_get_parent(np);
 			if (parent == NULL)
 				continue;
@@ -1258,8 +1260,7 @@ static void pmac_i2c_do_end(struct pmf_function *func, void *instdata)
 	if (inst == NULL)
 		return;
 	pmac_i2c_close(inst->bus);
-	if (inst)
-		kfree(inst);
+	kfree(inst);
 }
 
 static int pmac_i2c_do_read(PMF_STD_ARGS, u32 len)

From 6d1bdd2afbed74b3adcf3a7aec49e430eeb6c5f3 Mon Sep 17 00:00:00 2001
From: d binderman <dcb314@hotmail.com>
Date: Thu, 18 Mar 2010 23:01:42 +0000
Subject: [PATCH 0217/3638] powerpc/pmac/windfarm: Don't test pointers before
 kfree()

Fix minor nits found by cppcheck

[./macintosh/windfarm_pm81.c:760]: (style) Redundant condition. It is safe to deallocate a NULL pointer
[./macintosh/windfarm_pm81.c:762]: (style) Redundant condition. It is safe to deallocate a NULL pointer

Signed-off-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/macintosh/windfarm_pm81.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c
index 565d5b2adc9..e6e46a22769 100644
--- a/drivers/macintosh/windfarm_pm81.c
+++ b/drivers/macintosh/windfarm_pm81.c
@@ -757,10 +757,8 @@ static int __devexit wf_smu_remove(struct platform_device *ddev)
 		wf_put_control(cpufreq_clamp);
 
 	/* Destroy control loops state structures */
-	if (wf_smu_sys_fans)
-		kfree(wf_smu_sys_fans);
-	if (wf_smu_cpu_fans)
-		kfree(wf_smu_cpu_fans);
+	kfree(wf_smu_sys_fans);
+	kfree(wf_smu_cpu_fans);
 
 	return 0;
 }

From 637a99022fb119b90fb281715d13172f0394fc12 Mon Sep 17 00:00:00 2001
From: Jeff Mahoney <jeffm@suse.com>
Date: Wed, 17 Mar 2010 10:55:51 +0000
Subject: [PATCH 0218/3638] powerpc: Fix handling of strncmp with zero len

Commit 0119536c, which added the assembly version of strncmp to
powerpc, mentions that it adds two instructions to the version from
boot/string.S to allow it to handle len=0. Unfortunately, it doesn't
always return 0 when that is the case. The length is passed in r5, but
the return value is passed back in r3. In certain cases, this will
happen to work. Otherwise it will pass back the address of the first
string as the return value.

This patch lifts the len <= 0 handling code from memcpy to handle that
case.

Reported by: Christian_Sellars@symantec.com
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
CC: <stable@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/lib/string.S | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/lib/string.S b/arch/powerpc/lib/string.S
index 64e2e499e32..3ac0cd3a537 100644
--- a/arch/powerpc/lib/string.S
+++ b/arch/powerpc/lib/string.S
@@ -71,7 +71,7 @@ _GLOBAL(strcmp)
 
 _GLOBAL(strncmp)
 	PPC_LCMPI r5,0
-	beqlr
+	ble-	2f
 	mtctr	r5
 	addi	r5,r3,-1
 	addi	r4,r4,-1
@@ -82,6 +82,8 @@ _GLOBAL(strncmp)
 	beqlr	1
 	bdnzt	eq,1b
 	blr
+2:	li	r3,0
+	blr
 
 _GLOBAL(strlen)
 	addi	r4,r3,-1

From ab30f78c0afbb86584144925e25c7ca68ba9a91f Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sun, 28 Mar 2010 23:39:22 +0000
Subject: [PATCH 0219/3638] powerpc/pmac/windfarm: Correct potential double
 free

The conditionals were testing different values, but then all freeing the
same one, which could result in a double free.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,e;
identifier f;
iterator I;
statement S;
@@

*kfree(x);
... when != &x
    when != x = e
    when != I(x,...) S
*x
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/macintosh/windfarm_pm91.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c
index bea99168ff3..34427323512 100644
--- a/drivers/macintosh/windfarm_pm91.c
+++ b/drivers/macintosh/windfarm_pm91.c
@@ -687,12 +687,9 @@ static int __devexit wf_smu_remove(struct platform_device *ddev)
 		wf_put_control(cpufreq_clamp);
 
 	/* Destroy control loops state structures */
-	if (wf_smu_slots_fans)
-		kfree(wf_smu_cpu_fans);
-	if (wf_smu_drive_fans)
-		kfree(wf_smu_cpu_fans);
-	if (wf_smu_cpu_fans)
-		kfree(wf_smu_cpu_fans);
+	kfree(wf_smu_slots_fans);
+	kfree(wf_smu_drive_fans);
+	kfree(wf_smu_cpu_fans);
 
 	return 0;
 }

From a7df5c5e52a545774c4db1f2adf09ede018ab139 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Fri, 2 Apr 2010 02:47:13 +0000
Subject: [PATCH 0220/3638] powerpc/pseries/dlpar: Eliminate use after free

dlpar_free_cc_nodes frees its argument, so dlpar_online_cpu should not be
called on the same value.  Skip over the call to dlpar_online_cpu by
jumping directly to out.

A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E,E2;
@@

dlpar_free_cc_nodes(E)
...
(
  E = E2
|
* E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/dlpar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index e1682bc168a..1540a41d1a8 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -433,6 +433,7 @@ static ssize_t dlpar_cpu_probe(const char *buf, size_t count)
 	if (rc) {
 		dlpar_release_drc(drc_index);
 		dlpar_free_cc_nodes(dn);
+		goto out;
 	}
 
 	rc = dlpar_online_cpu(dn);

From 43caa61f154da85a620965f3f61c2f45366d8dc7 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 10 Mar 2010 11:15:01 +0000
Subject: [PATCH 0221/3638] powerpc/pseries/dlpar: Use kasprintf

kasprintf combines kmalloc and sprintf, and takes care of the size
calculation itself.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression a,flag;
expression list args;
statement S;
@@

  a =
-  \(kmalloc\|kzalloc\)(...,flag)
+  kasprintf(flag,args)
  <... when != a
  if (a == NULL || ...) S
  ...>
- sprintf(a,args);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Nathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/dlpar.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 1540a41d1a8..d71e5858408 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -79,13 +79,12 @@ static struct device_node *dlpar_parse_cc_node(struct cc_workarea *ccwa)
 	 * prepend this to the full_name.
 	 */
 	name = (char *)ccwa + ccwa->name_offset;
-	dn->full_name = kmalloc(strlen(name) + 2, GFP_KERNEL);
+	dn->full_name = kasprintf(GFP_KERNEL, "/%s", name);
 	if (!dn->full_name) {
 		kfree(dn);
 		return NULL;
 	}
 
-	sprintf(dn->full_name, "/%s", name);
 	return dn;
 }
 
@@ -410,15 +409,13 @@ static ssize_t dlpar_cpu_probe(const char *buf, size_t count)
 	 * directory of the device tree.  CPUs actually live in the
 	 * cpus directory so we need to fixup the full_name.
 	 */
-	cpu_name = kzalloc(strlen(dn->full_name) + strlen("/cpus") + 1,
-			   GFP_KERNEL);
+	cpu_name = kasprintf(GFP_KERNEL, "/cpus%s", dn->full_name);
 	if (!cpu_name) {
 		dlpar_free_cc_nodes(dn);
 		rc = -ENOMEM;
 		goto out;
 	}
 
-	sprintf(cpu_name, "/cpus%s", dn->full_name);
 	kfree(dn->full_name);
 	dn->full_name = cpu_name;
 

From f6d8c8bb1d360272d795927d39f3d2c5934e77d9 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Mon, 29 Mar 2010 05:33:34 +0000
Subject: [PATCH 0222/3638] powerpc/vio: Add missing unlock in error path

Add an unlock before exiting the function.

A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r exists@
expression E1;
identifier f;
@@

f (...) { <+...
* spin_lock_irq (E1,...);
... when != E1
* return ...;
...+> }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/vio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 2f57956714b..2a3428bef83 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -645,8 +645,10 @@ void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired)
 			found = 1;
 			break;
 		}
-	if (!found)
+	if (!found) {
+		spin_unlock_irqrestore(&vio_cmo.lock, flags);
 		return;
+	}
 
 	/* Increase/decrease in desired device entitlement */
 	if (desired >= viodev->cmo.desired) {

From 86e4754ac8fde9a9c913571016bc31257aa2e195 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Mon, 29 Mar 2010 05:34:46 +0000
Subject: [PATCH 0223/3638] powerpc/pmac: Add missing unlocks in error path

In some error handling cases the lock is not unlocked.

A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r exists@
expression E1;
identifier f;
@@

f (...) { <+...
* spin_lock_irqsave (E1,...);
... when != E1
* return ...;
...+> }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/macintosh/macio-adb.c | 1 +
 drivers/macintosh/smu.c       | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 79119f56e82..bd6da7a9c55 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -155,6 +155,7 @@ static int macio_adb_reset_bus(void)
 	while ((in_8(&adb->ctrl.r) & ADB_RST) != 0) {
 		if (--timeout == 0) {
 			out_8(&adb->ctrl.r, in_8(&adb->ctrl.r) & ~ADB_RST);
+			spin_unlock_irqrestore(&macio_lock, flags);
 			return -1;
 		}
 	}
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 888448cf7f1..c9da5c4c167 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -1183,8 +1183,10 @@ static ssize_t smu_read_command(struct file *file, struct smu_private *pp,
 		return -EOVERFLOW;
 	spin_lock_irqsave(&pp->lock, flags);
 	if (pp->cmd.status == 1) {
-		if (file->f_flags & O_NONBLOCK)
+		if (file->f_flags & O_NONBLOCK) {
+			spin_unlock_irqrestore(&pp->lock, flags);
 			return -EAGAIN;
+		}
 		add_wait_queue(&pp->wait, &wait);
 		for (;;) {
 			set_current_state(TASK_INTERRUPTIBLE);

From 21dbeb91a24d867af0e98ba155bfa80d2906344f Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Fri, 26 Mar 2010 12:03:29 +0000
Subject: [PATCH 0224/3638] powerpc: Use set_cpus_allowed_ptr

Use set_cpus_allowed_ptr rather than set_cpus_allowed.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E1,E2;
@@

- set_cpus_allowed(E1, cpumask_of_cpu(E2))
+ set_cpus_allowed_ptr(E1, cpumask_of(E2))

@@
expression E;
identifier I;
@@

- set_cpus_allowed(E, I)
+ set_cpus_allowed_ptr(E, &I)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/smp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index c2ee1449807..e36f94f7411 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -561,12 +561,12 @@ void __init smp_cpus_done(unsigned int max_cpus)
 	 * se we pin us down to CPU 0 for a short while
 	 */
 	old_mask = current->cpus_allowed;
-	set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid));
+	set_cpus_allowed_ptr(current, cpumask_of(boot_cpuid));
 	
 	if (smp_ops && smp_ops->setup_cpu)
 		smp_ops->setup_cpu(boot_cpuid);
 
-	set_cpus_allowed(current, old_mask);
+	set_cpus_allowed_ptr(current, &old_mask);
 
 	snapshot_timebases();
 

From 7429b3842cfb2b8ef5d333d8f680d80f8f7c787f Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 20 Mar 2010 04:12:50 +0000
Subject: [PATCH 0225/3638] powerpc/pmac: Fix dangling pointers

Fix I2C-drivers which missed setting clientdata to NULL before freeing the
structure it points to. Also fix drivers which do this _after_ the structure
was freed already.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Colin Leroy <colin@colino.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/macintosh/therm_adt746x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index c42eeb43042..16d82f17ae8 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -182,6 +182,7 @@ remove_thermostat(struct i2c_client *client)
 
 	thermostat = NULL;
 
+	i2c_set_clientdata(client, NULL);
 	kfree(th);
 
 	return 0;
@@ -399,6 +400,7 @@ static int probe_thermostat(struct i2c_client *client,
 	rc = read_reg(th, CONFIG_REG);
 	if (rc < 0) {
 		dev_err(&client->dev, "Thermostat failed to read config!\n");
+		i2c_set_clientdata(client, NULL);
 		kfree(th);
 		return -ENODEV;
 	}

From 27f10907b7cca57df5e2a9c94c14354dd1b7879d Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Thu, 18 Feb 2010 12:29:23 +0000
Subject: [PATCH 0226/3638] powerpc/numa: Set a smaller value for
 RECLAIM_DISTANCE to enable zone reclaim

I noticed /proc/sys/vm/zone_reclaim_mode was 0 on a ppc64 NUMA box. It gets
enabled via this:

        /*
         * If another node is sufficiently far away then it is better
         * to reclaim pages in a zone before going off node.
         */
        if (distance > RECLAIM_DISTANCE)
                zone_reclaim_mode = 1;

Since we use the default value of 20 for REMOTE_DISTANCE and 20 for
RECLAIM_DISTANCE it never kicks in.

The local to remote bandwidth ratios can be quite large on System p
machines so it makes sense for us to reclaim clean pagecache locally before
going off node.

The patch below sets a smaller value for RECLAIM_DISTANCE and thus enables
zone reclaim.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/topology.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 8eaec310a25..a7d76949155 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -8,6 +8,16 @@ struct device_node;
 
 #ifdef CONFIG_NUMA
 
+/*
+ * Before going off node we want the VM to try and reclaim from the local
+ * node. It does this if the remote distance is larger than RECLAIM_DISTANCE.
+ * With the default REMOTE_DISTANCE of 20 and the default RECLAIM_DISTANCE of
+ * 20, we never reclaim and go off node straight away.
+ *
+ * To fix this we choose a smaller value of RECLAIM_DISTANCE.
+ */
+#define RECLAIM_DISTANCE 10
+
 #include <asm/mmzone.h>
 
 static inline int cpu_to_node(int cpu)

From e9bbc8cde0e3c33b42ddbe1b02108cb5c97275eb Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Thu, 18 Feb 2010 12:11:51 +0000
Subject: [PATCH 0227/3638] powerpc/pseries: Call ibm,os-term if the
 ibm,extended-os-term is present

We have had issues in the past with ibm,os-term initiating shutdown of a
partition. This is confusing to the user, especially if panic_timeout is
non zero.

The temporary fix was to avoid calling ibm,os-term if a panic_timeout was set
and since we set it on every boot we basically never call ibm,os-term.

An extended version of ibm,os-term has since been implemented which gives us
the behaviour we want:

  "When the platform supports extended ibm,os-term behavior, the return to the
  RTAS will always occur unless there is a kernel assisted dump active as
  initiated by an ibm,configure-kernel-dump call."

This patch checks for the ibm,extended-os-term property and calls ibm,os-term
if it exists.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/rtas.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 74367841615..0e1ec6f746f 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -691,10 +691,14 @@ void rtas_os_term(char *str)
 {
 	int status;
 
-	if (panic_timeout)
-		return;
-
-	if (RTAS_UNKNOWN_SERVICE == rtas_token("ibm,os-term"))
+	/*
+	 * Firmware with the ibm,extended-os-term property is guaranteed
+	 * to always return from an ibm,os-term call. Earlier versions without
+	 * this property may terminate the partition which we want to avoid
+	 * since it interferes with panic_timeout.
+	 */
+	if (RTAS_UNKNOWN_SERVICE == rtas_token("ibm,os-term") ||
+	    RTAS_UNKNOWN_SERVICE == rtas_token("ibm,extended-os-term"))
 		return;
 
 	snprintf(rtas_os_term_buf, 2048, "OS panic: %s", str);
@@ -705,8 +709,7 @@ void rtas_os_term(char *str)
 	} while (rtas_busy_delay(status));
 
 	if (status != 0)
-		printk(KERN_EMERG "ibm,os-term call failed %d\n",
-			       status);
+		printk(KERN_EMERG "ibm,os-term call failed %d\n", status);
 }
 
 static int ibm_suspend_me_token = RTAS_UNKNOWN_SERVICE;

From 7545ba6f82924d4523f8f8a2baf2e517a750265d Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Thu, 25 Feb 2010 20:18:46 +0000
Subject: [PATCH 0228/3638] powerpc/mm: Bump SECTION_SIZE_BITS from 16MB to
 256MB

The current setting for SECTION_SIZE_BITS is quite small compared to
everyone else:

arch/powerpc/include/asm/sparsemem.h:#define SECTION_SIZE_BITS  24

arch/sparc/include/asm/sparsemem.h:#define SECTION_SIZE_BITS    30
arch/ia64/include/asm/sparsemem.h:#define SECTION_SIZE_BITS     (30)
arch/s390/include/asm/sparsemem.h:#define SECTION_SIZE_BITS     28
arch/x86/include/asm/sparsemem.h:# define SECTION_SIZE_BITS     27

And it has proven to be an issue during boot on very large machines.
If hotplug memory is enabled, drivers/base/memory.c does this:

       for (i = 0; i < NR_MEM_SECTIONS; i++) {
                if (!present_section_nr(i))
                        continue;
                err = add_memory_block(0, __nr_to_section(i), MEM_ONLINE,
                                        0, BOOT);
                if (!ret)
                        ret = err;
        }

Which creates a sysfs directory for every 16MB of memory. As a result
I'm seeing up to 30 minutes spent here during boot:

c000000000248ee0 .__sysfs_add_one+0x28/0x128
c0000000002492a8 .sysfs_add_one+0x38/0x188
c000000000249c88 .create_dir+0x70/0x138
c000000000249d98 .sysfs_create_dir+0x48/0x78
c00000000032bad8 .kobject_add_internal+0x140/0x308
c00000000032beb4 .kobject_init_and_add+0x4c/0x68
c00000000046c2c0 .sysdev_register+0xa0/0x220
c00000000047b1dc .add_memory_block+0x124/0x1e8
c0000000008d1f28 .memory_dev_init+0xf4/0x168
c0000000008d1b64 .driver_init+0x50/0x64
c000000000890378 .do_basic_setup+0x40/0xd4

I assume there are some O(n^2) issues in sysfs as we add all the memory
nodes. Bumping SECTION_SIZE_BITS to 256 MB drops the time to about 10
seconds and results in a much smaller /sys.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/sparsemem.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/sparsemem.h b/arch/powerpc/include/asm/sparsemem.h
index 54a47ea2c3a..13fe0a0e580 100644
--- a/arch/powerpc/include/asm/sparsemem.h
+++ b/arch/powerpc/include/asm/sparsemem.h
@@ -8,7 +8,7 @@
  * MAX_PHYSADDR_BITS		2^N: how much physical address space we have
  * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space
  */
-#define SECTION_SIZE_BITS       24
+#define SECTION_SIZE_BITS       28
 
 #define MAX_PHYSADDR_BITS       44
 #define MAX_PHYSMEM_BITS        44

From 8260cf6f40014860cb857f5245194900dd6c9b94 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Sun, 28 Feb 2010 00:58:16 +0000
Subject: [PATCH 0229/3638] powerpc/iseries/pci: Use __ratelimit

Replace open-coded rate limiting logic with __ratelimit().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/iseries/pci.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index b841c9a9db8..3fc2e6494b8 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -32,6 +32,7 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/of.h>
+#include <linux/ratelimit.h>
 
 #include <asm/types.h>
 #include <asm/io.h>
@@ -584,14 +585,9 @@ static inline struct device_node *xlate_iomm_address(
 
 	orig_addr = (unsigned long __force)addr;
 	if ((orig_addr < BASE_IO_MEMORY) || (orig_addr >= max_io_memory)) {
-		static unsigned long last_jiffies;
-		static int num_printed;
+		static DEFINE_RATELIMIT_STATE(ratelimit, 60 * HZ, 10);
 
-		if (time_after(jiffies, last_jiffies + 60 * HZ)) {
-			last_jiffies = jiffies;
-			num_printed = 0;
-		}
-		if (num_printed++ < 10)
+		if (__ratelimit(&ratelimit))
 			printk(KERN_ERR
 				"iSeries_%s: invalid access at IO address %p\n",
 				func, addr);

From a32aaf14513da776556ad9995de8d83cd76ae60a Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Wed, 7 Apr 2010 18:09:15 +1000
Subject: [PATCH 0230/3638] powerpc/vio: Add power management support

Adds support for suspend/resume for VIO devices. This is needed for
support for HMC initiated hibernation.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/vio.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 2a3428bef83..b8e311d64ad 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1381,6 +1381,29 @@ static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
 	return 0;
 }
 
+static int vio_pm_suspend(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	if (pm && pm->suspend)
+		return pm->suspend(dev);
+	return 0;
+}
+
+static int vio_pm_resume(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	if (pm && pm->resume)
+		return pm->resume(dev);
+	return 0;
+}
+
+const struct dev_pm_ops vio_dev_pm_ops = {
+	.suspend = vio_pm_suspend,
+	.resume = vio_pm_resume,
+};
+
 static struct bus_type vio_bus_type = {
 	.name = "vio",
 	.dev_attrs = vio_dev_attrs,
@@ -1388,6 +1411,7 @@ static struct bus_type vio_bus_type = {
 	.match = vio_bus_match,
 	.probe = vio_bus_probe,
 	.remove = vio_bus_remove,
+	.pm = &vio_dev_pm_ops,
 };
 
 /**

From 359e4284a3f37aba7fd06d993863de2509d86f54 Mon Sep 17 00:00:00 2001
From: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Date: Wed, 7 Apr 2010 18:10:20 +1000
Subject: [PATCH 0231/3638] powerpc: Add kprobe-based event tracer

This patch ports the kprobe-based event tracer to powerpc. This patch
is based on x86 port. This brings powerpc on par with x86.

Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/Kconfig              |   1 +
 arch/powerpc/include/asm/ptrace.h |  64 +++++++++++++++++++
 arch/powerpc/kernel/ptrace.c      | 103 ++++++++++++++++++++++++++++++
 3 files changed, 168 insertions(+)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2e19500921f..c4c4549c22b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -140,6 +140,7 @@ config PPC
 	select HAVE_SYSCALL_WRAPPERS if PPC64
 	select GENERIC_ATOMIC64 if PPC32
 	select HAVE_PERF_EVENTS
+	select HAVE_REGS_AND_STACK_ACCESS_API
 
 config EARLY_PRINTK
 	bool
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 9e2d84c06b7..5d8be041622 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -89,6 +89,7 @@ struct pt_regs {
 
 #define instruction_pointer(regs) ((regs)->nip)
 #define user_stack_pointer(regs) ((regs)->gpr[1])
+#define kernel_stack_pointer(regs) ((regs)->gpr[1])
 #define regs_return_value(regs) ((regs)->gpr[3])
 
 #ifdef CONFIG_SMP
@@ -141,6 +142,69 @@ do {									      \
 #define arch_has_block_step()	(!cpu_has_feature(CPU_FTR_601))
 #define ARCH_HAS_USER_SINGLE_STEP_INFO
 
+/*
+ * kprobe-based event tracer support
+ */
+
+#include <linux/stddef.h>
+#include <linux/thread_info.h>
+extern int regs_query_register_offset(const char *name);
+extern const char *regs_query_register_name(unsigned int offset);
+#define MAX_REG_OFFSET (offsetof(struct pt_regs, dsisr))
+
+/**
+ * regs_get_register() - get register value from its offset
+ * @regs:	   pt_regs from which register value is gotten
+ * @offset:    offset number of the register.
+ *
+ * regs_get_register returns the value of a register whose offset from @regs.
+ * The @offset is the offset of the register in struct pt_regs.
+ * If @offset is bigger than MAX_REG_OFFSET, this returns 0.
+ */
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+						unsigned int offset)
+{
+	if (unlikely(offset > MAX_REG_OFFSET))
+		return 0;
+	return *(unsigned long *)((unsigned long)regs + offset);
+}
+
+/**
+ * regs_within_kernel_stack() - check the address in the stack
+ * @regs:      pt_regs which contains kernel stack pointer.
+ * @addr:      address which is checked.
+ *
+ * regs_within_kernel_stack() checks @addr is within the kernel stack page(s).
+ * If @addr is within the kernel stack, it returns true. If not, returns false.
+ */
+
+static inline bool regs_within_kernel_stack(struct pt_regs *regs,
+						unsigned long addr)
+{
+	return ((addr & ~(THREAD_SIZE - 1))  ==
+		(kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1)));
+}
+
+/**
+ * regs_get_kernel_stack_nth() - get Nth entry of the stack
+ * @regs:	pt_regs which contains kernel stack pointer.
+ * @n:		stack entry number.
+ *
+ * regs_get_kernel_stack_nth() returns @n th entry of the kernel stack which
+ * is specified by @regs. If the @n th entry is NOT in the kernel stack,
+ * this returns 0.
+ */
+static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
+						      unsigned int n)
+{
+	unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs);
+	addr += n;
+	if (regs_within_kernel_stack(regs, (unsigned long)addr))
+		return *addr;
+	else
+		return 0;
+}
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index ed2cfe17d25..7a0c0199ea2 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -38,6 +38,109 @@
 #include <asm/pgtable.h>
 #include <asm/system.h>
 
+/*
+ * The parameter save area on the stack is used to store arguments being passed
+ * to callee function and is located at fixed offset from stack pointer.
+ */
+#ifdef CONFIG_PPC32
+#define PARAMETER_SAVE_AREA_OFFSET	24  /* bytes */
+#else /* CONFIG_PPC32 */
+#define PARAMETER_SAVE_AREA_OFFSET	48  /* bytes */
+#endif
+
+struct pt_regs_offset {
+	const char *name;
+	int offset;
+};
+
+#define STR(s)	#s			/* convert to string */
+#define REG_OFFSET_NAME(r) {.name = #r, .offset = offsetof(struct pt_regs, r)}
+#define GPR_OFFSET_NAME(num)	\
+	{.name = STR(gpr##num), .offset = offsetof(struct pt_regs, gpr[num])}
+#define REG_OFFSET_END {.name = NULL, .offset = 0}
+
+static const struct pt_regs_offset regoffset_table[] = {
+	GPR_OFFSET_NAME(0),
+	GPR_OFFSET_NAME(1),
+	GPR_OFFSET_NAME(2),
+	GPR_OFFSET_NAME(3),
+	GPR_OFFSET_NAME(4),
+	GPR_OFFSET_NAME(5),
+	GPR_OFFSET_NAME(6),
+	GPR_OFFSET_NAME(7),
+	GPR_OFFSET_NAME(8),
+	GPR_OFFSET_NAME(9),
+	GPR_OFFSET_NAME(10),
+	GPR_OFFSET_NAME(11),
+	GPR_OFFSET_NAME(12),
+	GPR_OFFSET_NAME(13),
+	GPR_OFFSET_NAME(14),
+	GPR_OFFSET_NAME(15),
+	GPR_OFFSET_NAME(16),
+	GPR_OFFSET_NAME(17),
+	GPR_OFFSET_NAME(18),
+	GPR_OFFSET_NAME(19),
+	GPR_OFFSET_NAME(20),
+	GPR_OFFSET_NAME(21),
+	GPR_OFFSET_NAME(22),
+	GPR_OFFSET_NAME(23),
+	GPR_OFFSET_NAME(24),
+	GPR_OFFSET_NAME(25),
+	GPR_OFFSET_NAME(26),
+	GPR_OFFSET_NAME(27),
+	GPR_OFFSET_NAME(28),
+	GPR_OFFSET_NAME(29),
+	GPR_OFFSET_NAME(30),
+	GPR_OFFSET_NAME(31),
+	REG_OFFSET_NAME(nip),
+	REG_OFFSET_NAME(msr),
+	REG_OFFSET_NAME(ctr),
+	REG_OFFSET_NAME(link),
+	REG_OFFSET_NAME(xer),
+	REG_OFFSET_NAME(ccr),
+#ifdef CONFIG_PPC64
+	REG_OFFSET_NAME(softe),
+#else
+	REG_OFFSET_NAME(mq),
+#endif
+	REG_OFFSET_NAME(trap),
+	REG_OFFSET_NAME(dar),
+	REG_OFFSET_NAME(dsisr),
+	REG_OFFSET_END,
+};
+
+/**
+ * regs_query_register_offset() - query register offset from its name
+ * @name:	the name of a register
+ *
+ * regs_query_register_offset() returns the offset of a register in struct
+ * pt_regs from its name. If the name is invalid, this returns -EINVAL;
+ */
+int regs_query_register_offset(const char *name)
+{
+	const struct pt_regs_offset *roff;
+	for (roff = regoffset_table; roff->name != NULL; roff++)
+		if (!strcmp(roff->name, name))
+			return roff->offset;
+	return -EINVAL;
+}
+
+/**
+ * regs_query_register_name() - query register name from its offset
+ * @offset:	the offset of a register in struct pt_regs.
+ *
+ * regs_query_register_name() returns the name of a register from its
+ * offset in struct pt_regs. If the @offset is invalid, this returns NULL;
+ */
+const char *regs_query_register_name(unsigned int offset)
+{
+	const struct pt_regs_offset *roff;
+	for (roff = regoffset_table; roff->name != NULL; roff++)
+		if (roff->offset == offset)
+			return roff->name;
+	return NULL;
+}
+
 /*
  * does not yet catch signals sent when the child dies.
  * in exit.c or in signal.c.

From 8f9f8d9e8080a2ff46caa7decef47810d093d252 Mon Sep 17 00:00:00 2001
From: David Rientjes <rientjes@google.com>
Date: Sat, 27 Mar 2010 19:40:47 -0700
Subject: [PATCH 0232/3638] slab: add memory hotplug support

Slab lacks any memory hotplug support for nodes that are hotplugged
without cpus being hotplugged.  This is possible at least on x86
CONFIG_MEMORY_HOTPLUG_SPARSE kernels where SRAT entries are marked
ACPI_SRAT_MEM_HOT_PLUGGABLE and the regions of RAM represent a seperate
node.  It can also be done manually by writing the start address to
/sys/devices/system/memory/probe for kernels that have
CONFIG_ARCH_MEMORY_PROBE set, which is how this patch was tested, and
then onlining the new memory region.

When a node is hotadded, a nodelist for that node is allocated and
initialized for each slab cache.  If this isn't completed due to a lack
of memory, the hotadd is aborted: we have a reasonable expectation that
kmalloc_node(nid) will work for all caches if nid is online and memory is
available.

Since nodelists must be allocated and initialized prior to the new node's
memory actually being online, the struct kmem_list3 is allocated off-node
due to kmalloc_node()'s fallback.

When an entire node would be offlined, its nodelists are subsequently
drained.  If slab objects still exist and cannot be freed, the offline is
aborted.  It is possible that objects will be allocated between this
drain and page isolation, so it's still possible that the offline will
still fail, however.

Acked-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 mm/slab.c | 157 +++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 125 insertions(+), 32 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index a9f325b28be..3230cd2c6b3 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -115,6 +115,7 @@
 #include	<linux/reciprocal_div.h>
 #include	<linux/debugobjects.h>
 #include	<linux/kmemcheck.h>
+#include	<linux/memory.h>
 
 #include	<asm/cacheflush.h>
 #include	<asm/tlbflush.h>
@@ -1102,6 +1103,52 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp)
 }
 #endif
 
+/*
+ * Allocates and initializes nodelists for a node on each slab cache, used for
+ * either memory or cpu hotplug.  If memory is being hot-added, the kmem_list3
+ * will be allocated off-node since memory is not yet online for the new node.
+ * When hotplugging memory or a cpu, existing nodelists are not replaced if
+ * already in use.
+ *
+ * Must hold cache_chain_mutex.
+ */
+static int init_cache_nodelists_node(int node)
+{
+	struct kmem_cache *cachep;
+	struct kmem_list3 *l3;
+	const int memsize = sizeof(struct kmem_list3);
+
+	list_for_each_entry(cachep, &cache_chain, next) {
+		/*
+		 * Set up the size64 kmemlist for cpu before we can
+		 * begin anything. Make sure some other cpu on this
+		 * node has not already allocated this
+		 */
+		if (!cachep->nodelists[node]) {
+			l3 = kmalloc_node(memsize, GFP_KERNEL, node);
+			if (!l3)
+				return -ENOMEM;
+			kmem_list3_init(l3);
+			l3->next_reap = jiffies + REAPTIMEOUT_LIST3 +
+			    ((unsigned long)cachep) % REAPTIMEOUT_LIST3;
+
+			/*
+			 * The l3s don't come and go as CPUs come and
+			 * go.  cache_chain_mutex is sufficient
+			 * protection here.
+			 */
+			cachep->nodelists[node] = l3;
+		}
+
+		spin_lock_irq(&cachep->nodelists[node]->list_lock);
+		cachep->nodelists[node]->free_limit =
+			(1 + nr_cpus_node(node)) *
+			cachep->batchcount + cachep->num;
+		spin_unlock_irq(&cachep->nodelists[node]->list_lock);
+	}
+	return 0;
+}
+
 static void __cpuinit cpuup_canceled(long cpu)
 {
 	struct kmem_cache *cachep;
@@ -1172,7 +1219,7 @@ static int __cpuinit cpuup_prepare(long cpu)
 	struct kmem_cache *cachep;
 	struct kmem_list3 *l3 = NULL;
 	int node = cpu_to_node(cpu);
-	const int memsize = sizeof(struct kmem_list3);
+	int err;
 
 	/*
 	 * We need to do this right in the beginning since
@@ -1180,35 +1227,9 @@ static int __cpuinit cpuup_prepare(long cpu)
 	 * kmalloc_node allows us to add the slab to the right
 	 * kmem_list3 and not this cpu's kmem_list3
 	 */
-
-	list_for_each_entry(cachep, &cache_chain, next) {
-		/*
-		 * Set up the size64 kmemlist for cpu before we can
-		 * begin anything. Make sure some other cpu on this
-		 * node has not already allocated this
-		 */
-		if (!cachep->nodelists[node]) {
-			l3 = kmalloc_node(memsize, GFP_KERNEL, node);
-			if (!l3)
-				goto bad;
-			kmem_list3_init(l3);
-			l3->next_reap = jiffies + REAPTIMEOUT_LIST3 +
-			    ((unsigned long)cachep) % REAPTIMEOUT_LIST3;
-
-			/*
-			 * The l3s don't come and go as CPUs come and
-			 * go.  cache_chain_mutex is sufficient
-			 * protection here.
-			 */
-			cachep->nodelists[node] = l3;
-		}
-
-		spin_lock_irq(&cachep->nodelists[node]->list_lock);
-		cachep->nodelists[node]->free_limit =
-			(1 + nr_cpus_node(node)) *
-			cachep->batchcount + cachep->num;
-		spin_unlock_irq(&cachep->nodelists[node]->list_lock);
-	}
+	err = init_cache_nodelists_node(node);
+	if (err < 0)
+		goto bad;
 
 	/*
 	 * Now we can go ahead with allocating the shared arrays and
@@ -1331,11 +1352,75 @@ static struct notifier_block __cpuinitdata cpucache_notifier = {
 	&cpuup_callback, NULL, 0
 };
 
+#if defined(CONFIG_NUMA) && defined(CONFIG_MEMORY_HOTPLUG)
+/*
+ * Drains freelist for a node on each slab cache, used for memory hot-remove.
+ * Returns -EBUSY if all objects cannot be drained so that the node is not
+ * removed.
+ *
+ * Must hold cache_chain_mutex.
+ */
+static int __meminit drain_cache_nodelists_node(int node)
+{
+	struct kmem_cache *cachep;
+	int ret = 0;
+
+	list_for_each_entry(cachep, &cache_chain, next) {
+		struct kmem_list3 *l3;
+
+		l3 = cachep->nodelists[node];
+		if (!l3)
+			continue;
+
+		drain_freelist(cachep, l3, l3->free_objects);
+
+		if (!list_empty(&l3->slabs_full) ||
+		    !list_empty(&l3->slabs_partial)) {
+			ret = -EBUSY;
+			break;
+		}
+	}
+	return ret;
+}
+
+static int __meminit slab_memory_callback(struct notifier_block *self,
+					unsigned long action, void *arg)
+{
+	struct memory_notify *mnb = arg;
+	int ret = 0;
+	int nid;
+
+	nid = mnb->status_change_nid;
+	if (nid < 0)
+		goto out;
+
+	switch (action) {
+	case MEM_GOING_ONLINE:
+		mutex_lock(&cache_chain_mutex);
+		ret = init_cache_nodelists_node(nid);
+		mutex_unlock(&cache_chain_mutex);
+		break;
+	case MEM_GOING_OFFLINE:
+		mutex_lock(&cache_chain_mutex);
+		ret = drain_cache_nodelists_node(nid);
+		mutex_unlock(&cache_chain_mutex);
+		break;
+	case MEM_ONLINE:
+	case MEM_OFFLINE:
+	case MEM_CANCEL_ONLINE:
+	case MEM_CANCEL_OFFLINE:
+		break;
+	}
+out:
+	return ret ? notifier_from_errno(ret) : NOTIFY_OK;
+}
+#endif /* CONFIG_NUMA && CONFIG_MEMORY_HOTPLUG */
+
 /*
  * swap the static kmem_list3 with kmalloced memory
  */
-static void init_list(struct kmem_cache *cachep, struct kmem_list3 *list,
-			int nodeid)
+static void __init init_list(struct kmem_cache *cachep, struct kmem_list3 *list,
+				int nodeid)
 {
 	struct kmem_list3 *ptr;
 
@@ -1580,6 +1665,14 @@ void __init kmem_cache_init_late(void)
 	 */
 	register_cpu_notifier(&cpucache_notifier);
 
+#ifdef CONFIG_NUMA
+	/*
+	 * Register a memory hotplug callback that initializes and frees
+	 * nodelists.
+	 */
+	hotplug_memory_notifier(slab_memory_callback, SLAB_CALLBACK_PRI);
+#endif
+
 	/*
 	 * The reap timers are started later, with a module init call: That part
 	 * of the kernel is not yet operational.

From 4cdc840a371bbaf635b1d47bd8bf67a0b804538e Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Wed, 7 Apr 2010 22:42:04 +0000
Subject: [PATCH 0233/3638] drm/ttm: include linux/seq_file.h for seq_printf

Fixes

drivers/gpu/drm/ttm/ttm_page_alloc.c: In function 'ttm_page_alloc_debugfs':
drivers/gpu/drm/ttm/ttm_page_alloc.c:829: error: implicit declaration of
function 'seq_printf'

Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_page_alloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 6ca9b27e33d..2ad2dc9d369 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -36,6 +36,7 @@
 #include <linux/mm_types.h>
 #include <linux/module.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h> /* for seq_printf */
 
 #include <asm/atomic.h>
 #include <asm/agp.h>

From b1f201980eb4a7a59277a13cf18acdbb46167ad5 Mon Sep 17 00:00:00 2001
From: James Simmons <jsimmons@infradead.org>
Date: Wed, 7 Apr 2010 15:06:21 +0000
Subject: [PATCH 0234/3638] drm/fb: remove drm_fb_helper_setcolreg

This patch is against the drm-fbdevfix1 branch. It removes the
drm_fb_helper_setcolreg function. The reason is that fb_setcolreg is only
used in the case where fb_setcmap is called and no fb_ops->fb_setcmap is
used. In the drm case we always need a fb_setcmap hook to handle multiple
crtcs so we don't need a fb_setcolreg hook. Please apply.

Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_fb_helper.c         | 30 -------------------------
 drivers/gpu/drm/i915/intel_fb.c         |  1 -
 drivers/gpu/drm/nouveau/nouveau_fbcon.c |  3 ---
 drivers/gpu/drm/radeon/radeon_fb.c      |  1 -
 4 files changed, 35 deletions(-)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index b889eb0aaf5..6929f5b21d2 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -596,36 +596,6 @@ int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 }
 EXPORT_SYMBOL(drm_fb_helper_setcmap);
 
-int drm_fb_helper_setcolreg(unsigned regno,
-			    unsigned red,
-			    unsigned green,
-			    unsigned blue,
-			    unsigned transp,
-			    struct fb_info *info)
-{
-	struct drm_fb_helper *fb_helper = info->par;
-	struct drm_crtc *crtc;
-	struct drm_crtc_helper_funcs *crtc_funcs;
-	int i;
-	int ret;
-
-	if (regno > 255)
-		return 1;
-
-	for (i = 0; i < fb_helper->crtc_count; i++) {
-		crtc = fb_helper->crtc_info[i].mode_set.crtc;
-		crtc_funcs = crtc->helper_private;
-
-		ret = setcolreg(crtc, red, green, blue, regno, info);
-		if (ret)
-			return ret;
-
-		crtc_funcs->load_lut(crtc);
-	}
-	return 0;
-}
-EXPORT_SYMBOL(drm_fb_helper_setcolreg);
-
 int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
 			    struct fb_info *info)
 {
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index cc726ff0a02..cbb8cb7144c 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -56,7 +56,6 @@ static struct fb_ops intelfb_ops = {
 	.owner = THIS_MODULE,
 	.fb_check_var = drm_fb_helper_check_var,
 	.fb_set_par = drm_fb_helper_set_par,
-	.fb_setcolreg = drm_fb_helper_setcolreg,
 	.fb_fillrect = cfb_fillrect,
 	.fb_copyarea = cfb_copyarea,
 	.fb_imageblit = cfb_imageblit,
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index bc81ec7dc13..bea9f780d2c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -98,7 +98,6 @@ static struct fb_ops nouveau_fbcon_ops = {
 	.owner = THIS_MODULE,
 	.fb_check_var = drm_fb_helper_check_var,
 	.fb_set_par = drm_fb_helper_set_par,
-	.fb_setcolreg = drm_fb_helper_setcolreg,
 	.fb_fillrect = cfb_fillrect,
 	.fb_copyarea = cfb_copyarea,
 	.fb_imageblit = cfb_imageblit,
@@ -112,7 +111,6 @@ static struct fb_ops nv04_fbcon_ops = {
 	.owner = THIS_MODULE,
 	.fb_check_var = drm_fb_helper_check_var,
 	.fb_set_par = drm_fb_helper_set_par,
-	.fb_setcolreg = drm_fb_helper_setcolreg,
 	.fb_fillrect = nv04_fbcon_fillrect,
 	.fb_copyarea = nv04_fbcon_copyarea,
 	.fb_imageblit = nv04_fbcon_imageblit,
@@ -126,7 +124,6 @@ static struct fb_ops nv50_fbcon_ops = {
 	.owner = THIS_MODULE,
 	.fb_check_var = drm_fb_helper_check_var,
 	.fb_set_par = drm_fb_helper_set_par,
-	.fb_setcolreg = drm_fb_helper_setcolreg,
 	.fb_fillrect = nv50_fbcon_fillrect,
 	.fb_copyarea = nv50_fbcon_copyarea,
 	.fb_imageblit = nv50_fbcon_imageblit,
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 93cc54fac33..d3ed4afdbde 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -52,7 +52,6 @@ static struct fb_ops radeonfb_ops = {
 	.owner = THIS_MODULE,
 	.fb_check_var = drm_fb_helper_check_var,
 	.fb_set_par = drm_fb_helper_set_par,
-	.fb_setcolreg = drm_fb_helper_setcolreg,
 	.fb_fillrect = cfb_fillrect,
 	.fb_copyarea = cfb_copyarea,
 	.fb_imageblit = cfb_imageblit,

From 9d87fa2138d06ff400551800d67d522625033e35 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Wed, 7 Apr 2010 10:21:19 +0000
Subject: [PATCH 0235/3638] drm/ttm: split no_wait argument in 2 GPU or reserve
 wait

There is case where we want to be able to wait only for the
GPU while not waiting for other buffer to be unreserved. This
patch split the no_wait argument all the way down in the whole
ttm path so that upper level can decide on what to wait on or
not.

[airlied: squashed these 4 for bisectability reasons.]
drm/radeon/kms: update to TTM no_wait splitted argument
drm/nouveau: update to TTM no_wait splitted argument
drm/vmwgfx: update to TTM no_wait splitted argument
[vmwgfx patch: Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>]

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c    | 45 ++++++++++---------
 drivers/gpu/drm/nouveau/nouveau_gem.c   |  2 +-
 drivers/gpu/drm/radeon/radeon_object.c  |  6 +--
 drivers/gpu/drm/radeon/radeon_ttm.c     | 39 +++++++++--------
 drivers/gpu/drm/ttm/ttm_bo.c            | 57 ++++++++++++++-----------
 drivers/gpu/drm/ttm/ttm_bo_util.c       |  9 ++--
 drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c |  4 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_fb.c      |  4 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c |  2 +-
 include/drm/ttm/ttm_bo_api.h            |  6 ++-
 include/drm/ttm/ttm_bo_driver.h         | 29 ++++++++-----
 11 files changed, 115 insertions(+), 88 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 026612471c9..5a167de895c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -219,7 +219,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype)
 	for (i = 0; i < nvbo->placement.num_placement; i++)
 		nvbo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
 
-	ret = ttm_bo_validate(bo, &nvbo->placement, false, false);
+	ret = ttm_bo_validate(bo, &nvbo->placement, false, false, false);
 	if (ret == 0) {
 		switch (bo->mem.mem_type) {
 		case TTM_PL_VRAM:
@@ -256,7 +256,7 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo)
 	for (i = 0; i < nvbo->placement.num_placement; i++)
 		nvbo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
 
-	ret = ttm_bo_validate(bo, &nvbo->placement, false, false);
+	ret = ttm_bo_validate(bo, &nvbo->placement, false, false, false);
 	if (ret == 0) {
 		switch (bo->mem.mem_type) {
 		case TTM_PL_VRAM:
@@ -456,7 +456,8 @@ nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
 
 static int
 nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan,
-			      struct nouveau_bo *nvbo, bool evict, bool no_wait,
+			      struct nouveau_bo *nvbo, bool evict,
+			      bool no_wait_reserve, bool no_wait_gpu,
 			      struct ttm_mem_reg *new_mem)
 {
 	struct nouveau_fence *fence = NULL;
@@ -467,7 +468,7 @@ nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan,
 		return ret;
 
 	ret = ttm_bo_move_accel_cleanup(&nvbo->bo, fence, NULL,
-					evict, no_wait, new_mem);
+					evict, no_wait_reserve, no_wait_gpu, new_mem);
 	if (nvbo->channel && nvbo->channel != chan)
 		ret = nouveau_fence_wait(fence, NULL, false, false);
 	nouveau_fence_unref((void *)&fence);
@@ -491,7 +492,8 @@ nouveau_bo_mem_ctxdma(struct nouveau_bo *nvbo, struct nouveau_channel *chan,
 
 static int
 nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
-		     int no_wait, struct ttm_mem_reg *new_mem)
+		     bool no_wait_reserve, bool no_wait_gpu,
+		     struct ttm_mem_reg *new_mem)
 {
 	struct nouveau_bo *nvbo = nouveau_bo(bo);
 	struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
@@ -569,12 +571,13 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
 		dst_offset += (PAGE_SIZE * line_count);
 	}
 
-	return nouveau_bo_move_accel_cleanup(chan, nvbo, evict, no_wait, new_mem);
+	return nouveau_bo_move_accel_cleanup(chan, nvbo, evict, no_wait_reserve, no_wait_gpu, new_mem);
 }
 
 static int
 nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
-		      bool no_wait, struct ttm_mem_reg *new_mem)
+		      bool no_wait_reserve, bool no_wait_gpu,
+		      struct ttm_mem_reg *new_mem)
 {
 	u32 placement_memtype = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
 	struct ttm_placement placement;
@@ -587,7 +590,7 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
 
 	tmp_mem = *new_mem;
 	tmp_mem.mm_node = NULL;
-	ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait);
+	ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait_reserve, no_wait_gpu);
 	if (ret)
 		return ret;
 
@@ -595,11 +598,11 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
 	if (ret)
 		goto out;
 
-	ret = nouveau_bo_move_m2mf(bo, true, intr, no_wait, &tmp_mem);
+	ret = nouveau_bo_move_m2mf(bo, true, intr, no_wait_reserve, no_wait_gpu, &tmp_mem);
 	if (ret)
 		goto out;
 
-	ret = ttm_bo_move_ttm(bo, evict, no_wait, new_mem);
+	ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
 out:
 	if (tmp_mem.mm_node) {
 		spin_lock(&bo->bdev->glob->lru_lock);
@@ -612,7 +615,8 @@ out:
 
 static int
 nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
-		      bool no_wait, struct ttm_mem_reg *new_mem)
+		      bool no_wait_reserve, bool no_wait_gpu,
+		      struct ttm_mem_reg *new_mem)
 {
 	u32 placement_memtype = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
 	struct ttm_placement placement;
@@ -625,15 +629,15 @@ nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
 
 	tmp_mem = *new_mem;
 	tmp_mem.mm_node = NULL;
-	ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait);
+	ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait_reserve, no_wait_gpu);
 	if (ret)
 		return ret;
 
-	ret = ttm_bo_move_ttm(bo, evict, no_wait, &tmp_mem);
+	ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, &tmp_mem);
 	if (ret)
 		goto out;
 
-	ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait, new_mem);
+	ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
 	if (ret)
 		goto out;
 
@@ -700,7 +704,8 @@ nouveau_bo_vm_cleanup(struct ttm_buffer_object *bo,
 
 static int
 nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
-		bool no_wait, struct ttm_mem_reg *new_mem)
+		bool no_wait_reserve, bool no_wait_gpu,
+		struct ttm_mem_reg *new_mem)
 {
 	struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
 	struct nouveau_bo *nvbo = nouveau_bo(bo);
@@ -715,7 +720,7 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
 	/* Software copy if the card isn't up and running yet. */
 	if (dev_priv->init_state != NOUVEAU_CARD_INIT_DONE ||
 	    !dev_priv->channel) {
-		ret = ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+		ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
 		goto out;
 	}
 
@@ -729,17 +734,17 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
 
 	/* Hardware assisted copy. */
 	if (new_mem->mem_type == TTM_PL_SYSTEM)
-		ret = nouveau_bo_move_flipd(bo, evict, intr, no_wait, new_mem);
+		ret = nouveau_bo_move_flipd(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
 	else if (old_mem->mem_type == TTM_PL_SYSTEM)
-		ret = nouveau_bo_move_flips(bo, evict, intr, no_wait, new_mem);
+		ret = nouveau_bo_move_flips(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
 	else
-		ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait, new_mem);
+		ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
 
 	if (!ret)
 		goto out;
 
 	/* Fallback to software copy. */
-	ret = ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+	ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
 
 out:
 	if (ret)
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 0d22f66f1c7..1f5040363b9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -387,7 +387,7 @@ validate_list(struct nouveau_channel *chan, struct list_head *list,
 
 		nvbo->channel = chan;
 		ret = ttm_bo_validate(&nvbo->bo, &nvbo->placement,
-				      false, false);
+				      false, false, false);
 		nvbo->channel = NULL;
 		if (unlikely(ret)) {
 			NV_ERROR(dev, "fail ttm_validate\n");
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index dc7e3f44913..4b441f87f47 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -191,7 +191,7 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
 	}
 	for (i = 0; i < bo->placement.num_placement; i++)
 		bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
-	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false);
 	if (likely(r == 0)) {
 		bo->pin_count = 1;
 		if (gpu_addr != NULL)
@@ -215,7 +215,7 @@ int radeon_bo_unpin(struct radeon_bo *bo)
 		return 0;
 	for (i = 0; i < bo->placement.num_placement; i++)
 		bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
-	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false);
 	if (unlikely(r != 0))
 		dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo);
 	return r;
@@ -330,7 +330,7 @@ int radeon_bo_list_validate(struct list_head *head)
 								lobj->rdomain);
 			}
 			r = ttm_bo_validate(&bo->tbo, &bo->placement,
-						true, false);
+						true, false, false);
 			if (unlikely(r))
 				return r;
 		}
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 43c5ab34b63..ba4724c38ac 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -243,9 +243,9 @@ static void radeon_move_null(struct ttm_buffer_object *bo,
 }
 
 static int radeon_move_blit(struct ttm_buffer_object *bo,
-			    bool evict, int no_wait,
-			    struct ttm_mem_reg *new_mem,
-			    struct ttm_mem_reg *old_mem)
+			bool evict, int no_wait_reserve, bool no_wait_gpu,
+			struct ttm_mem_reg *new_mem,
+			struct ttm_mem_reg *old_mem)
 {
 	struct radeon_device *rdev;
 	uint64_t old_start, new_start;
@@ -289,13 +289,14 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
 	r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages, fence);
 	/* FIXME: handle copy error */
 	r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL,
-				      evict, no_wait, new_mem);
+				      evict, no_wait_reserve, no_wait_gpu, new_mem);
 	radeon_fence_unref(&fence);
 	return r;
 }
 
 static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
-				bool evict, bool interruptible, bool no_wait,
+				bool evict, bool interruptible,
+				bool no_wait_reserve, bool no_wait_gpu,
 				struct ttm_mem_reg *new_mem)
 {
 	struct radeon_device *rdev;
@@ -316,7 +317,7 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
 	placement.busy_placement = &placements;
 	placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
 	r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
-			     interruptible, no_wait);
+			     interruptible, no_wait_reserve, no_wait_gpu);
 	if (unlikely(r)) {
 		return r;
 	}
@@ -330,11 +331,11 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
 	if (unlikely(r)) {
 		goto out_cleanup;
 	}
-	r = radeon_move_blit(bo, true, no_wait, &tmp_mem, old_mem);
+	r = radeon_move_blit(bo, true, no_wait_reserve, no_wait_gpu, &tmp_mem, old_mem);
 	if (unlikely(r)) {
 		goto out_cleanup;
 	}
-	r = ttm_bo_move_ttm(bo, true, no_wait, new_mem);
+	r = ttm_bo_move_ttm(bo, true, no_wait_reserve, no_wait_gpu, new_mem);
 out_cleanup:
 	if (tmp_mem.mm_node) {
 		struct ttm_bo_global *glob = rdev->mman.bdev.glob;
@@ -348,7 +349,8 @@ out_cleanup:
 }
 
 static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
-				bool evict, bool interruptible, bool no_wait,
+				bool evict, bool interruptible,
+				bool no_wait_reserve, bool no_wait_gpu,
 				struct ttm_mem_reg *new_mem)
 {
 	struct radeon_device *rdev;
@@ -368,15 +370,15 @@ static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
 	placement.num_busy_placement = 1;
 	placement.busy_placement = &placements;
 	placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
-	r = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible, no_wait);
+	r = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible, no_wait_reserve, no_wait_gpu);
 	if (unlikely(r)) {
 		return r;
 	}
-	r = ttm_bo_move_ttm(bo, true, no_wait, &tmp_mem);
+	r = ttm_bo_move_ttm(bo, true, no_wait_reserve, no_wait_gpu, &tmp_mem);
 	if (unlikely(r)) {
 		goto out_cleanup;
 	}
-	r = radeon_move_blit(bo, true, no_wait, new_mem, old_mem);
+	r = radeon_move_blit(bo, true, no_wait_reserve, no_wait_gpu, new_mem, old_mem);
 	if (unlikely(r)) {
 		goto out_cleanup;
 	}
@@ -393,8 +395,9 @@ out_cleanup:
 }
 
 static int radeon_bo_move(struct ttm_buffer_object *bo,
-			  bool evict, bool interruptible, bool no_wait,
-			  struct ttm_mem_reg *new_mem)
+			bool evict, bool interruptible,
+			bool no_wait_reserve, bool no_wait_gpu,
+			struct ttm_mem_reg *new_mem)
 {
 	struct radeon_device *rdev;
 	struct ttm_mem_reg *old_mem = &bo->mem;
@@ -421,18 +424,18 @@ static int radeon_bo_move(struct ttm_buffer_object *bo,
 	if (old_mem->mem_type == TTM_PL_VRAM &&
 	    new_mem->mem_type == TTM_PL_SYSTEM) {
 		r = radeon_move_vram_ram(bo, evict, interruptible,
-					    no_wait, new_mem);
+					no_wait_reserve, no_wait_gpu, new_mem);
 	} else if (old_mem->mem_type == TTM_PL_SYSTEM &&
 		   new_mem->mem_type == TTM_PL_VRAM) {
 		r = radeon_move_ram_vram(bo, evict, interruptible,
-					    no_wait, new_mem);
+					    no_wait_reserve, no_wait_gpu, new_mem);
 	} else {
-		r = radeon_move_blit(bo, evict, no_wait, new_mem, old_mem);
+		r = radeon_move_blit(bo, evict, no_wait_reserve, no_wait_gpu, new_mem, old_mem);
 	}
 
 	if (r) {
 memcpy:
-		r = ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+		r = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
 	}
 
 	return r;
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index dd47b2a9a79..40631e2866f 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -357,7 +357,8 @@ static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc)
 
 static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 				  struct ttm_mem_reg *mem,
-				  bool evict, bool interruptible, bool no_wait)
+				  bool evict, bool interruptible,
+				  bool no_wait_reserve, bool no_wait_gpu)
 {
 	struct ttm_bo_device *bdev = bo->bdev;
 	bool old_is_pci = ttm_mem_reg_is_pci(bdev, &bo->mem);
@@ -402,12 +403,12 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 
 	if (!(old_man->flags & TTM_MEMTYPE_FLAG_FIXED) &&
 	    !(new_man->flags & TTM_MEMTYPE_FLAG_FIXED))
-		ret = ttm_bo_move_ttm(bo, evict, no_wait, mem);
+		ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, mem);
 	else if (bdev->driver->move)
 		ret = bdev->driver->move(bo, evict, interruptible,
-					 no_wait, mem);
+					 no_wait_reserve, no_wait_gpu, mem);
 	else
-		ret = ttm_bo_move_memcpy(bo, evict, no_wait, mem);
+		ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, mem);
 
 	if (ret)
 		goto out_err;
@@ -606,7 +607,7 @@ void ttm_bo_unref(struct ttm_buffer_object **p_bo)
 EXPORT_SYMBOL(ttm_bo_unref);
 
 static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
-			bool no_wait)
+			bool no_wait_reserve, bool no_wait_gpu)
 {
 	struct ttm_bo_device *bdev = bo->bdev;
 	struct ttm_bo_global *glob = bo->glob;
@@ -615,7 +616,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
 	int ret = 0;
 
 	spin_lock(&bo->lock);
-	ret = ttm_bo_wait(bo, false, interruptible, no_wait);
+	ret = ttm_bo_wait(bo, false, interruptible, no_wait_gpu);
 	spin_unlock(&bo->lock);
 
 	if (unlikely(ret != 0)) {
@@ -638,7 +639,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
 	placement.num_busy_placement = 0;
 	bdev->driver->evict_flags(bo, &placement);
 	ret = ttm_bo_mem_space(bo, &placement, &evict_mem, interruptible,
-				no_wait);
+				no_wait_reserve, no_wait_gpu);
 	if (ret) {
 		if (ret != -ERESTARTSYS) {
 			printk(KERN_ERR TTM_PFX
@@ -650,7 +651,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
 	}
 
 	ret = ttm_bo_handle_move_mem(bo, &evict_mem, true, interruptible,
-				     no_wait);
+				     no_wait_reserve, no_wait_gpu);
 	if (ret) {
 		if (ret != -ERESTARTSYS)
 			printk(KERN_ERR TTM_PFX "Buffer eviction failed\n");
@@ -670,7 +671,8 @@ out:
 
 static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
 				uint32_t mem_type,
-				bool interruptible, bool no_wait)
+				bool interruptible, bool no_wait_reserve,
+				bool no_wait_gpu)
 {
 	struct ttm_bo_global *glob = bdev->glob;
 	struct ttm_mem_type_manager *man = &bdev->man[mem_type];
@@ -687,11 +689,11 @@ retry:
 	bo = list_first_entry(&man->lru, struct ttm_buffer_object, lru);
 	kref_get(&bo->list_kref);
 
-	ret = ttm_bo_reserve_locked(bo, false, true, false, 0);
+	ret = ttm_bo_reserve_locked(bo, false, no_wait_reserve, false, 0);
 
 	if (unlikely(ret == -EBUSY)) {
 		spin_unlock(&glob->lru_lock);
-		if (likely(!no_wait))
+		if (likely(!no_wait_gpu))
 			ret = ttm_bo_wait_unreserved(bo, interruptible);
 
 		kref_put(&bo->list_kref, ttm_bo_release_list);
@@ -713,7 +715,7 @@ retry:
 	while (put_count--)
 		kref_put(&bo->list_kref, ttm_bo_ref_bug);
 
-	ret = ttm_bo_evict(bo, interruptible, no_wait);
+	ret = ttm_bo_evict(bo, interruptible, no_wait_reserve, no_wait_gpu);
 	ttm_bo_unreserve(bo);
 
 	kref_put(&bo->list_kref, ttm_bo_release_list);
@@ -764,7 +766,9 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
 					uint32_t mem_type,
 					struct ttm_placement *placement,
 					struct ttm_mem_reg *mem,
-					bool interruptible, bool no_wait)
+					bool interruptible,
+					bool no_wait_reserve,
+					bool no_wait_gpu)
 {
 	struct ttm_bo_device *bdev = bo->bdev;
 	struct ttm_bo_global *glob = bdev->glob;
@@ -785,7 +789,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
 		}
 		spin_unlock(&glob->lru_lock);
 		ret = ttm_mem_evict_first(bdev, mem_type, interruptible,
-						no_wait);
+						no_wait_reserve, no_wait_gpu);
 		if (unlikely(ret != 0))
 			return ret;
 	} while (1);
@@ -855,7 +859,8 @@ static bool ttm_bo_mt_compatible(struct ttm_mem_type_manager *man,
 int ttm_bo_mem_space(struct ttm_buffer_object *bo,
 			struct ttm_placement *placement,
 			struct ttm_mem_reg *mem,
-			bool interruptible, bool no_wait)
+			bool interruptible, bool no_wait_reserve,
+			bool no_wait_gpu)
 {
 	struct ttm_bo_device *bdev = bo->bdev;
 	struct ttm_mem_type_manager *man;
@@ -952,7 +957,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
 		}
 
 		ret = ttm_bo_mem_force_space(bo, mem_type, placement, mem,
-						interruptible, no_wait);
+						interruptible, no_wait_reserve, no_wait_gpu);
 		if (ret == 0 && mem->mm_node) {
 			mem->placement = cur_flags;
 			mem->mm_node->private = bo;
@@ -978,7 +983,8 @@ EXPORT_SYMBOL(ttm_bo_wait_cpu);
 
 int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
 			struct ttm_placement *placement,
-			bool interruptible, bool no_wait)
+			bool interruptible, bool no_wait_reserve,
+			bool no_wait_gpu)
 {
 	struct ttm_bo_global *glob = bo->glob;
 	int ret = 0;
@@ -992,7 +998,7 @@ int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
 	 * instead of doing it here.
 	 */
 	spin_lock(&bo->lock);
-	ret = ttm_bo_wait(bo, false, interruptible, no_wait);
+	ret = ttm_bo_wait(bo, false, interruptible, no_wait_gpu);
 	spin_unlock(&bo->lock);
 	if (ret)
 		return ret;
@@ -1002,10 +1008,10 @@ int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
 	/*
 	 * Determine where to move the buffer.
 	 */
-	ret = ttm_bo_mem_space(bo, placement, &mem, interruptible, no_wait);
+	ret = ttm_bo_mem_space(bo, placement, &mem, interruptible, no_wait_reserve, no_wait_gpu);
 	if (ret)
 		goto out_unlock;
-	ret = ttm_bo_handle_move_mem(bo, &mem, false, interruptible, no_wait);
+	ret = ttm_bo_handle_move_mem(bo, &mem, false, interruptible, no_wait_reserve, no_wait_gpu);
 out_unlock:
 	if (ret && mem.mm_node) {
 		spin_lock(&glob->lru_lock);
@@ -1039,7 +1045,8 @@ static int ttm_bo_mem_compat(struct ttm_placement *placement,
 
 int ttm_bo_validate(struct ttm_buffer_object *bo,
 			struct ttm_placement *placement,
-			bool interruptible, bool no_wait)
+			bool interruptible, bool no_wait_reserve,
+			bool no_wait_gpu)
 {
 	int ret;
 
@@ -1054,7 +1061,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
 	 */
 	ret = ttm_bo_mem_compat(placement, &bo->mem);
 	if (ret < 0) {
-		ret = ttm_bo_move_buffer(bo, placement, interruptible, no_wait);
+		ret = ttm_bo_move_buffer(bo, placement, interruptible, no_wait_reserve, no_wait_gpu);
 		if (ret)
 			return ret;
 	} else {
@@ -1175,7 +1182,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
 			goto out_err;
 	}
 
-	ret = ttm_bo_validate(bo, placement, interruptible, false);
+	ret = ttm_bo_validate(bo, placement, interruptible, false, false);
 	if (ret)
 		goto out_err;
 
@@ -1249,7 +1256,7 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev,
 	spin_lock(&glob->lru_lock);
 	while (!list_empty(&man->lru)) {
 		spin_unlock(&glob->lru_lock);
-		ret = ttm_mem_evict_first(bdev, mem_type, false, false);
+		ret = ttm_mem_evict_first(bdev, mem_type, false, false, false);
 		if (ret) {
 			if (allow_errors) {
 				return ret;
@@ -1839,7 +1846,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink)
 		evict_mem.mem_type = TTM_PL_SYSTEM;
 
 		ret = ttm_bo_handle_move_mem(bo, &evict_mem, true,
-					     false, false);
+					     false, false, false);
 		if (unlikely(ret != 0))
 			goto out;
 	}
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 5ca37a58a98..865b2a826e1 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -49,7 +49,8 @@ void ttm_bo_free_old_node(struct ttm_buffer_object *bo)
 }
 
 int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
-		    bool evict, bool no_wait, struct ttm_mem_reg *new_mem)
+		    bool evict, bool no_wait_reserve,
+		    bool no_wait_gpu, struct ttm_mem_reg *new_mem)
 {
 	struct ttm_tt *ttm = bo->ttm;
 	struct ttm_mem_reg *old_mem = &bo->mem;
@@ -207,7 +208,8 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst,
 }
 
 int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
-		       bool evict, bool no_wait, struct ttm_mem_reg *new_mem)
+		       bool evict, bool no_wait_reserve, bool no_wait_gpu,
+		       struct ttm_mem_reg *new_mem)
 {
 	struct ttm_bo_device *bdev = bo->bdev;
 	struct ttm_mem_type_manager *man = &bdev->man[new_mem->mem_type];
@@ -525,7 +527,8 @@ int ttm_bo_pfn_prot(struct ttm_buffer_object *bo,
 int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
 			      void *sync_obj,
 			      void *sync_obj_arg,
-			      bool evict, bool no_wait,
+			      bool evict, bool no_wait_reserve,
+			      bool no_wait_gpu,
 			      struct ttm_mem_reg *new_mem)
 {
 	struct ttm_bo_device *bdev = bo->bdev;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 0897359b3e4..dbd36b8910c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -570,7 +570,7 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
 	 * Put BO in VRAM, only if there is space.
 	 */
 
-	ret = ttm_bo_validate(bo, &vmw_vram_sys_placement, true, false);
+	ret = ttm_bo_validate(bo, &vmw_vram_sys_placement, true, false, false);
 	if (unlikely(ret == -ERESTARTSYS))
 		return ret;
 
@@ -590,7 +590,7 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
 	 * previous contents.
 	 */
 
-	ret = ttm_bo_validate(bo, &vmw_vram_placement, true, false);
+	ret = ttm_bo_validate(bo, &vmw_vram_placement, true, false, false);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index a93367041cd..80125ffc4e2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -628,7 +628,7 @@ int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
 	if (unlikely(ret != 0))
 		return ret;
 
-	ret = ttm_bo_validate(bo, &vmw_sys_placement, false, false);
+	ret = ttm_bo_validate(bo, &vmw_sys_placement, false, false, false);
 	ttm_bo_unreserve(bo);
 
 	return ret;
@@ -652,7 +652,7 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 	if (unlikely(ret != 0))
 		goto err_unlock;
 
-	ret = ttm_bo_validate(bo, &ne_placement, false, false);
+	ret = ttm_bo_validate(bo, &ne_placement, false, false, false);
 	ttm_bo_unreserve(bo);
 err_unlock:
 	ttm_write_unlock(&vmw_priv->active_master->lock);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
index 5b6eabeb7f5..ad566c85b07 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
@@ -118,7 +118,7 @@ static int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
 	if (pin)
 		overlay_placement = &vmw_vram_ne_placement;
 
-	ret = ttm_bo_validate(bo, overlay_placement, interruptible, false);
+	ret = ttm_bo_validate(bo, overlay_placement, interruptible, false, false);
 
 	ttm_bo_unreserve(bo);
 
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 81eb9f45883..8c8005ec4ea 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -313,7 +313,8 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,
  * @bo: The buffer object.
  * @placement: Proposed placement for the buffer object.
  * @interruptible: Sleep interruptible if sleeping.
- * @no_wait: Return immediately if the buffer is busy.
+ * @no_wait_reserve: Return immediately if other buffers are busy.
+ * @no_wait_gpu: Return immediately if the GPU is busy.
  *
  * Changes placement and caching policy of the buffer object
  * according proposed placement.
@@ -325,7 +326,8 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,
  */
 extern int ttm_bo_validate(struct ttm_buffer_object *bo,
 				struct ttm_placement *placement,
-				bool interruptible, bool no_wait);
+				bool interruptible, bool no_wait_reserve,
+				bool no_wait_gpu);
 
 /**
  * ttm_bo_unref
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index e929c27ede2..69f70e418c2 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -311,7 +311,8 @@ struct ttm_bo_driver {
 	 */
 	int (*move) (struct ttm_buffer_object *bo,
 		     bool evict, bool interruptible,
-		     bool no_wait, struct ttm_mem_reg *new_mem);
+		     bool no_wait_reserve, bool no_wait_gpu,
+		     struct ttm_mem_reg *new_mem);
 
 	/**
 	 * struct ttm_bo_driver_member verify_access
@@ -633,7 +634,8 @@ extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev,
  * @proposed_placement: Proposed new placement for the buffer object.
  * @mem: A struct ttm_mem_reg.
  * @interruptible: Sleep interruptible when sliping.
- * @no_wait: Don't sleep waiting for space to become available.
+ * @no_wait_reserve: Return immediately if other buffers are busy.
+ * @no_wait_gpu: Return immediately if the GPU is busy.
  *
  * Allocate memory space for the buffer object pointed to by @bo, using
  * the placement flags in @mem, potentially evicting other idle buffer objects.
@@ -647,7 +649,8 @@ extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev,
 extern int ttm_bo_mem_space(struct ttm_buffer_object *bo,
 				struct ttm_placement *placement,
 				struct ttm_mem_reg *mem,
-				bool interruptible, bool no_wait);
+				bool interruptible,
+				bool no_wait_reserve, bool no_wait_gpu);
 /**
  * ttm_bo_wait_for_cpu
  *
@@ -826,7 +829,8 @@ extern void ttm_bo_unblock_reservation(struct ttm_buffer_object *bo);
  *
  * @bo: A pointer to a struct ttm_buffer_object.
  * @evict: 1: This is an eviction. Don't try to pipeline.
- * @no_wait: Never sleep, but rather return with -EBUSY.
+ * @no_wait_reserve: Return immediately if other buffers are busy.
+ * @no_wait_gpu: Return immediately if the GPU is busy.
  * @new_mem: struct ttm_mem_reg indicating where to move.
  *
  * Optimized move function for a buffer object with both old and
@@ -840,15 +844,16 @@ extern void ttm_bo_unblock_reservation(struct ttm_buffer_object *bo);
  */
 
 extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
-			   bool evict, bool no_wait,
-			   struct ttm_mem_reg *new_mem);
+			   bool evict, bool no_wait_reserve,
+			   bool no_wait_gpu, struct ttm_mem_reg *new_mem);
 
 /**
  * ttm_bo_move_memcpy
  *
  * @bo: A pointer to a struct ttm_buffer_object.
  * @evict: 1: This is an eviction. Don't try to pipeline.
- * @no_wait: Never sleep, but rather return with -EBUSY.
+ * @no_wait_reserve: Return immediately if other buffers are busy.
+ * @no_wait_gpu: Return immediately if the GPU is busy.
  * @new_mem: struct ttm_mem_reg indicating where to move.
  *
  * Fallback move function for a mappable buffer object in mappable memory.
@@ -862,8 +867,8 @@ extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
  */
 
 extern int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
-			      bool evict,
-			      bool no_wait, struct ttm_mem_reg *new_mem);
+			      bool evict, bool no_wait_reserve,
+			      bool no_wait_gpu, struct ttm_mem_reg *new_mem);
 
 /**
  * ttm_bo_free_old_node
@@ -882,7 +887,8 @@ extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
  * @sync_obj_arg: An argument to pass to the sync object idle / wait
  * functions.
  * @evict: This is an evict move. Don't return until the buffer is idle.
- * @no_wait: Never sleep, but rather return with -EBUSY.
+ * @no_wait_reserve: Return immediately if other buffers are busy.
+ * @no_wait_gpu: Return immediately if the GPU is busy.
  * @new_mem: struct ttm_mem_reg indicating where to move.
  *
  * Accelerated move function to be called when an accelerated move
@@ -896,7 +902,8 @@ extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
 extern int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
 				     void *sync_obj,
 				     void *sync_obj_arg,
-				     bool evict, bool no_wait,
+				     bool evict, bool no_wait_reserve,
+				     bool no_wait_gpu,
 				     struct ttm_mem_reg *new_mem);
 /**
  * ttm_io_prot

From 2125b8a44d771351fc44719ed291be70b73672ad Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 8 Apr 2010 13:42:03 +1000
Subject: [PATCH 0236/3638] drm/ttm: using kmalloc/kfree requires including
 slab.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_page_alloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 2ad2dc9d369..0d9a42c2394 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -37,6 +37,7 @@
 #include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/seq_file.h> /* for seq_printf */
+#include <linux/slab.h>
 
 #include <asm/atomic.h>
 #include <asm/agp.h>

From fed457a83611182f5a2e049cce02f8f4e1b65644 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Mon, 5 Apr 2010 13:53:35 -0700
Subject: [PATCH 0237/3638] bitops: rename for_each_bit() to
 for_each_set_bit(): mtd

Rename for_each_bit() to for_each_set_bit in the kernel source tree.  To
permit for_each_clear_bit(), should that ever be added.

I'll be sending a patch to Linus this week which removes the temporary
for_each_bit() macro, so this patch will be needed to avoid build
breakage.

Suggested-by: Alexey Dobriyan <adobriyan@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Artem Bityutskiy <dedekind@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/sm_ftl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index 4c215896fbc..67822cf6c02 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -934,7 +934,7 @@ int sm_cache_flush(struct sm_ftl *ftl)
 
 
 	/* Try to read all unread areas of the cache block*/
-	for_each_bit(sector_num, &ftl->cache_data_invalid_bitmap,
+	for_each_set_bit(sector_num, &ftl->cache_data_invalid_bitmap,
 		ftl->block_size / SM_SECTOR_SIZE) {
 
 		if (!sm_read_sector(ftl,

From c385e50cb51ace73ebe12d57df76882e9dcf0e53 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Thu, 8 Apr 2010 19:00:30 +0000
Subject: [PATCH 0238/3638] drm/edid: Fix sync polarity for secondary GTF curve

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_modes.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 8840066a577..f1f473ea97d 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -452,7 +452,10 @@ drm_gtf_mode_complex(struct drm_device *dev, int hdisplay, int vdisplay,
 	}
 
 	drm_mode_set_name(drm_mode);
-	drm_mode->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC;
+	if (GTF_M == 600 && GTF_2C == 80 && GTF_K == 128 && GTF_2J == 40)
+		drm_mode->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC;
+	else
+		drm_mode->flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC;
 
 	return drm_mode;
 }

From 08c5c51507614ffd6fee8f3517c33ac5e1576e82 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 10 Feb 2010 17:30:05 -0500
Subject: [PATCH 0239/3638] drm/radeon/kms: update atombios.h power tables for
 evergreen

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios.h | 76 ++++++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios.h b/drivers/gpu/drm/radeon/atombios.h
index 6732b5dd8ff..26986c8e1f4 100644
--- a/drivers/gpu/drm/radeon/atombios.h
+++ b/drivers/gpu/drm/radeon/atombios.h
@@ -5742,6 +5742,9 @@ typedef struct _ATOM_PPLIB_THERMALCONTROLLER
 #define ATOM_PP_THERMALCONTROLLER_RV6xx     7
 #define ATOM_PP_THERMALCONTROLLER_RV770     8
 #define ATOM_PP_THERMALCONTROLLER_ADT7473   9
+#define ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO     11
+#define ATOM_PP_THERMALCONTROLLER_EVERGREEN 12
+#define ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL   0x89    // ADT7473 Fan Control + Internal Thermal Controller
 
 typedef struct _ATOM_PPLIB_STATE
 {
@@ -5749,6 +5752,26 @@ typedef struct _ATOM_PPLIB_STATE
     UCHAR ucClockStateIndices[1]; // variable-sized
 } ATOM_PPLIB_STATE;
 
+typedef struct _ATOM_PPLIB_FANTABLE
+{
+    UCHAR   ucFanTableFormat;                // Change this if the table format changes or version changes so that the other fields are not the same.
+    UCHAR   ucTHyst;                         // Temperature hysteresis. Integer.
+    USHORT  usTMin;                          // The temperature, in 0.01 centigrades, below which we just run at a minimal PWM.
+    USHORT  usTMed;                          // The middle temperature where we change slopes.
+    USHORT  usTHigh;                         // The high point above TMed for adjusting the second slope.
+    USHORT  usPWMMin;                        // The minimum PWM value in percent (0.01% increments).
+    USHORT  usPWMMed;                        // The PWM value (in percent) at TMed.
+    USHORT  usPWMHigh;                       // The PWM value at THigh.
+} ATOM_PPLIB_FANTABLE;
+
+typedef struct _ATOM_PPLIB_EXTENDEDHEADER
+{
+    USHORT  usSize;
+    ULONG   ulMaxEngineClock;   // For Overdrive.
+    ULONG   ulMaxMemoryClock;   // For Overdrive.
+    // Add extra system parameters here, always adjust size to include all fields.
+} ATOM_PPLIB_EXTENDEDHEADER;
+
 //// ATOM_PPLIB_POWERPLAYTABLE::ulPlatformCaps
 #define ATOM_PP_PLATFORM_CAP_BACKBIAS 1
 #define ATOM_PP_PLATFORM_CAP_POWERPLAY 2
@@ -5762,6 +5785,12 @@ typedef struct _ATOM_PPLIB_STATE
 #define ATOM_PP_PLATFORM_CAP_SIDEPORTCONTROL 512
 #define ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1 1024
 #define ATOM_PP_PLATFORM_CAP_HTLINKCONTROL 2048
+#define ATOM_PP_PLATFORM_CAP_MVDDCONTROL 4096
+#define ATOM_PP_PLATFORM_CAP_GOTO_BOOT_ON_ALERT 0x2000              // Go to boot state on alerts, e.g. on an AC->DC transition.
+#define ATOM_PP_PLATFORM_CAP_DONT_WAIT_FOR_VBLANK_ON_ALERT 0x4000   // Do NOT wait for VBLANK during an alert (e.g. AC->DC transition).
+#define ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL 0x8000                   // Does the driver control VDDCI independently from VDDC.
+#define ATOM_PP_PLATFORM_CAP_REGULATOR_HOT 0x00010000               // Enable the 'regulator hot' feature.
+#define ATOM_PP_PLATFORM_CAP_BACO          0x00020000               // Does the driver supports BACO state.
 
 typedef struct _ATOM_PPLIB_POWERPLAYTABLE
 {
@@ -5797,6 +5826,21 @@ typedef struct _ATOM_PPLIB_POWERPLAYTABLE
 
 } ATOM_PPLIB_POWERPLAYTABLE;
 
+typedef struct _ATOM_PPLIB_POWERPLAYTABLE2
+{
+    ATOM_PPLIB_POWERPLAYTABLE basicTable;
+    UCHAR   ucNumCustomThermalPolicy;
+    USHORT  usCustomThermalPolicyArrayOffset;
+}ATOM_PPLIB_POWERPLAYTABLE2, *LPATOM_PPLIB_POWERPLAYTABLE2;
+
+typedef struct _ATOM_PPLIB_POWERPLAYTABLE3
+{
+    ATOM_PPLIB_POWERPLAYTABLE2 basicTable2;
+    USHORT                     usFormatID;                      // To be used ONLY by PPGen.
+    USHORT                     usFanTableOffset;
+    USHORT                     usExtendendedHeaderOffset;
+} ATOM_PPLIB_POWERPLAYTABLE3, *LPATOM_PPLIB_POWERPLAYTABLE3;
+
 //// ATOM_PPLIB_NONCLOCK_INFO::usClassification
 #define ATOM_PPLIB_CLASSIFICATION_UI_MASK          0x0007
 #define ATOM_PPLIB_CLASSIFICATION_UI_SHIFT         0
@@ -5816,7 +5860,9 @@ typedef struct _ATOM_PPLIB_POWERPLAYTABLE
 #define ATOM_PPLIB_CLASSIFICATION_UVDSTATE               0x0400
 #define ATOM_PPLIB_CLASSIFICATION_3DLOW                  0x0800
 #define ATOM_PPLIB_CLASSIFICATION_ACPI                   0x1000
-// remaining 3 bits are reserved
+#define ATOM_PPLIB_CLASSIFICATION_HD2STATE               0x2000
+#define ATOM_PPLIB_CLASSIFICATION_HDSTATE                0x4000
+#define ATOM_PPLIB_CLASSIFICATION_SDSTATE                0x8000
 
 //// ATOM_PPLIB_NONCLOCK_INFO::ulCapsAndSettings
 #define ATOM_PPLIB_SINGLE_DISPLAY_ONLY           0x00000001
@@ -5840,9 +5886,15 @@ typedef struct _ATOM_PPLIB_POWERPLAYTABLE
 
 #define ATOM_PPLIB_SOFTWARE_DISABLE_LOADBALANCING        0x00001000
 #define ATOM_PPLIB_SOFTWARE_ENABLE_SLEEP_FOR_TIMESTAMPS  0x00002000
+#define ATOM_PPLIB_DISALLOW_ON_DC                        0x00004000
 #define ATOM_PPLIB_ENABLE_VARIBRIGHT                     0x00008000
 
-#define ATOM_PPLIB_DISALLOW_ON_DC                       0x00004000
+//memory related flags
+#define ATOM_PPLIB_SWSTATE_MEMORY_DLL_OFF               0x000010000
+
+//M3 Arb    //2bits, current 3 sets of parameters in total
+#define ATOM_PPLIB_M3ARB_MASK                       0x00060000
+#define ATOM_PPLIB_M3ARB_SHIFT                      17
 
 // Contained in an array starting at the offset
 // in ATOM_PPLIB_POWERPLAYTABLE::usNonClockInfoArrayOffset.
@@ -5860,6 +5912,9 @@ typedef struct _ATOM_PPLIB_NONCLOCK_INFO
 // Contained in an array starting at the offset
 // in ATOM_PPLIB_POWERPLAYTABLE::usClockInfoArrayOffset.
 // referenced from ATOM_PPLIB_STATE::ucClockStateIndices
+#define ATOM_PPLIB_NONCLOCKINFO_VER1      12
+#define ATOM_PPLIB_NONCLOCKINFO_VER2      24
+
 typedef struct _ATOM_PPLIB_R600_CLOCK_INFO
 {
       USHORT usEngineClockLow;
@@ -5882,6 +5937,23 @@ typedef struct _ATOM_PPLIB_R600_CLOCK_INFO
 #define ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE    4
 #define ATOM_PPLIB_R600_FLAGS_MEMORY_ODT_OFF    8
 #define ATOM_PPLIB_R600_FLAGS_MEMORY_DLL_OFF    16
+#define ATOM_PPLIB_R600_FLAGS_LOWPOWER         32   // On the RV770 use 'low power' setting (sequencer S0).
+
+typedef struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO
+{
+      USHORT usEngineClockLow;
+      UCHAR  ucEngineClockHigh;
+
+      USHORT usMemoryClockLow;
+      UCHAR  ucMemoryClockHigh;
+
+      USHORT usVDDC;
+      USHORT usVDDCI;
+      USHORT usUnused;
+
+      ULONG ulFlags; // ATOM_PPLIB_R600_FLAGS_*
+
+} ATOM_PPLIB_EVERGREEN_CLOCK_INFO;
 
 typedef struct _ATOM_PPLIB_RS780_CLOCK_INFO
 

From 49f6598277635af13d60e7d2601963356bc48bd8 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 16:39:45 -0400
Subject: [PATCH 0240/3638] drm/radeon/kms: add support for evergreen power
 tables

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 44 ++++++++++++++++++++++--
 1 file changed, 42 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 5673665ff21..273019925e0 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1462,6 +1462,10 @@ static const char *pp_lib_thermal_controller_names[] = {
 	"RV6xx",
 	"RV770",
 	"ADT7473",
+	"External GPIO",
+	"Evergreen",
+	"ADT7473 with internal",
+
 };
 
 union power_info {
@@ -1707,15 +1711,21 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					break;
 				}
 			}
-		} else if (frev == 4) {
+		} else {
 			/* add the i2c bus for thermal/fan chip */
 			/* no support for internal controller yet */
 			if (power_info->info_4.sThermalController.ucType > 0) {
 				if ((power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) ||
-				    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV770)) {
+				    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV770) ||
+				    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN)) {
 					DRM_INFO("Internal thermal controller %s fan control\n",
 						 (power_info->info_4.sThermalController.ucFanParameters &
 						  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
+				} else if ((power_info->info_4.sThermalController.ucType ==
+					    ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) ||
+					   (power_info->info_4.sThermalController.ucType ==
+					    ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL)) {
+					DRM_INFO("Special thermal controller config\n");
 				} else {
 					DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
 						 pp_lib_thermal_controller_names[power_info->info_4.sThermalController.ucType],
@@ -1763,6 +1773,36 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
 							clock_info->usVDDC;
 						mode_index++;
+					} else if (ASIC_IS_DCE4(rdev)) {
+						struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO *clock_info =
+							(struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO *)
+							(mode_info->atom_context->bios +
+							 data_offset +
+							 le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
+							 (power_state->ucClockStateIndices[j] *
+							  power_info->info_4.ucClockInfoSize));
+						sclk = le16_to_cpu(clock_info->usEngineClockLow);
+						sclk |= clock_info->ucEngineClockHigh << 16;
+						mclk = le16_to_cpu(clock_info->usMemoryClockLow);
+						mclk |= clock_info->ucMemoryClockHigh << 16;
+						rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
+						rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+						/* skip invalid modes */
+						if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
+						    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
+							continue;
+						/* skip overclock modes for now */
+						if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
+						     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+						    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
+						     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+							continue;
+						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
+							VOLTAGE_SW;
+						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
+							clock_info->usVDDC;
+						/* XXX usVDDCI */
+						mode_index++;
 					} else {
 						struct _ATOM_PPLIB_R600_CLOCK_INFO *clock_info =
 							(struct _ATOM_PPLIB_R600_CLOCK_INFO *)

From 0fcdb61e78050f8f0b31029eeafa5ae013ce0f35 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 13:20:41 -0400
Subject: [PATCH 0241/3638] drm/radeon/kms/evergreen: add gart support

Gart setup is more or less like r7xx.  Copy
rv770d.h to evergreend.h and fix up changes.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c   |  58 ++++--
 drivers/gpu/drm/radeon/evergreend.h  | 270 +++++++++++++++++++++++++++
 drivers/gpu/drm/radeon/radeon_asic.c |   2 +-
 drivers/gpu/drm/radeon/radeon_asic.h |   1 +
 4 files changed, 311 insertions(+), 20 deletions(-)
 create mode 100644 drivers/gpu/drm/radeon/evergreend.h

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 7672f11ed99..afcff06ef29 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -27,7 +27,7 @@
 #include "radeon.h"
 #include "radeon_asic.h"
 #include "radeon_drm.h"
-#include "rv770d.h"
+#include "evergreend.h"
 #include "atom.h"
 #include "avivod.h"
 #include "evergreen_reg.h"
@@ -82,10 +82,31 @@ static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
 /*
  * GART
  */
+void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
+{
+	unsigned i;
+	u32 tmp;
+
+	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
+	for (i = 0; i < rdev->usec_timeout; i++) {
+		/* read MC_STATUS */
+		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
+		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
+		if (tmp == 2) {
+			printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
+			return;
+		}
+		if (tmp) {
+			return;
+		}
+		udelay(1);
+	}
+}
+
 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 {
 	u32 tmp;
-	int r, i;
+	int r;
 
 	if (rdev->gart.table.vram.robj == NULL) {
 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
@@ -120,10 +141,9 @@ int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 			(u32)(rdev->dummy_page.addr >> 12));
-	for (i = 1; i < 7; i++)
-		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+	WREG32(VM_CONTEXT1_CNTL, 0);
 
-	r600_pcie_gart_tlb_flush(rdev);
+	evergreen_pcie_gart_tlb_flush(rdev);
 	rdev->gart.ready = true;
 	return 0;
 }
@@ -131,11 +151,11 @@ int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
 {
 	u32 tmp;
-	int i, r;
+	int r;
 
 	/* Disable all tables */
-	for (i = 0; i < 7; i++)
-		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+	WREG32(VM_CONTEXT0_CNTL, 0);
+	WREG32(VM_CONTEXT1_CNTL, 0);
 
 	/* Setup L2 cache */
 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
@@ -172,7 +192,6 @@ void evergreen_pcie_gart_fini(struct radeon_device *rdev)
 void evergreen_agp_enable(struct radeon_device *rdev)
 {
 	u32 tmp;
-	int i;
 
 	/* Setup L2 cache */
 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
@@ -192,8 +211,8 @@ void evergreen_agp_enable(struct radeon_device *rdev)
 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
-	for (i = 0; i < 7; i++)
-		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+	WREG32(VM_CONTEXT0_CNTL, 0);
+	WREG32(VM_CONTEXT1_CNTL, 0);
 }
 
 static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
@@ -500,9 +519,9 @@ int evergreen_asic_reset(struct radeon_device *rdev)
 
 static int evergreen_startup(struct radeon_device *rdev)
 {
-#if 0
 	int r;
 
+#if 0
 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
 		r = r600_init_microcode(rdev);
 		if (r) {
@@ -512,15 +531,13 @@ static int evergreen_startup(struct radeon_device *rdev)
 	}
 #endif
 	evergreen_mc_program(rdev);
-#if 0
 	if (rdev->flags & RADEON_IS_AGP) {
-		evergreem_agp_enable(rdev);
+		evergreen_agp_enable(rdev);
 	} else {
 		r = evergreen_pcie_gart_enable(rdev);
 		if (r)
 			return r;
 	}
-#endif
 	evergreen_gpu_init(rdev);
 #if 0
 	if (!rdev->r600_blit.shader_obj) {
@@ -607,7 +624,10 @@ int evergreen_suspend(struct radeon_device *rdev)
 	r700_cp_stop(rdev);
 	rdev->cp.ready = false;
 	r600_wb_disable(rdev);
+#endif
+
 	evergreen_pcie_gart_disable(rdev);
+#if 0
 	/* unpin shaders bo */
 	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
 	if (likely(r == 0)) {
@@ -717,18 +737,18 @@ int evergreen_init(struct radeon_device *rdev)
 
 	rdev->ih.ring_obj = NULL;
 	r600_ih_ring_init(rdev, 64 * 1024);
-
+#endif
 	r = r600_pcie_gart_init(rdev);
 	if (r)
 		return r;
-#endif
+
 	rdev->accel_working = false;
 	r = evergreen_startup(rdev);
 	if (r) {
 		evergreen_suspend(rdev);
 		/*r600_wb_fini(rdev);*/
 		/*radeon_ring_fini(rdev);*/
-		/*evergreen_pcie_gart_fini(rdev);*/
+		evergreen_pcie_gart_fini(rdev);
 		rdev->accel_working = false;
 	}
 	if (rdev->accel_working) {
@@ -756,8 +776,8 @@ void evergreen_fini(struct radeon_device *rdev)
 	radeon_irq_kms_fini(rdev);
 	radeon_ring_fini(rdev);
 	r600_wb_fini(rdev);
-	evergreen_pcie_gart_fini(rdev);
 #endif
+	evergreen_pcie_gart_fini(rdev);
 	radeon_gem_fini(rdev);
 	radeon_fence_driver_fini(rdev);
 	radeon_clocks_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
new file mode 100644
index 00000000000..5cf707a5456
--- /dev/null
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -0,0 +1,270 @@
+/*
+ * Copyright 2010 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Alex Deucher
+ */
+#ifndef EVERGREEND_H
+#define EVERGREEND_H
+
+/* Registers */
+
+#define	CC_GC_SHADER_PIPE_CONFIG			0x8950
+#define	CC_RB_BACKEND_DISABLE				0x98F4
+#define		BACKEND_DISABLE(x)				((x) << 16)
+#define	CC_SYS_RB_BACKEND_DISABLE			0x3F88
+
+#define	CGTS_SYS_TCC_DISABLE				0x3F90
+#define	CGTS_TCC_DISABLE				0x9148
+#define	CGTS_USER_SYS_TCC_DISABLE			0x3F94
+#define	CGTS_USER_TCC_DISABLE				0x914C
+
+#define	CONFIG_MEMSIZE					0x5428
+
+#define	CP_ME_CNTL					0x86D8
+#define		CP_ME_HALT					(1<<28)
+#define		CP_PFP_HALT					(1<<26)
+#define	CP_ME_RAM_DATA					0xC160
+#define	CP_ME_RAM_RADDR					0xC158
+#define	CP_ME_RAM_WADDR					0xC15C
+#define CP_MEQ_THRESHOLDS				0x8764
+#define		STQ_SPLIT(x)					((x) << 0)
+#define	CP_PERFMON_CNTL					0x87FC
+#define	CP_PFP_UCODE_ADDR				0xC150
+#define	CP_PFP_UCODE_DATA				0xC154
+#define	CP_QUEUE_THRESHOLDS				0x8760
+#define		ROQ_IB1_START(x)				((x) << 0)
+#define		ROQ_IB2_START(x)				((x) << 8)
+#define	CP_RB_CNTL					0xC104
+#define		RB_BUFSZ(x)					((x)<<0)
+#define		RB_BLKSZ(x)					((x)<<8)
+#define		RB_NO_UPDATE					(1<<27)
+#define		RB_RPTR_WR_ENA					(1<<31)
+#define		BUF_SWAP_32BIT					(2 << 16)
+#define	CP_RB_RPTR					0x8700
+#define	CP_RB_RPTR_ADDR					0xC10C
+#define	CP_RB_RPTR_ADDR_HI				0xC110
+#define	CP_RB_RPTR_WR					0xC108
+#define	CP_RB_WPTR					0xC114
+#define	CP_RB_WPTR_ADDR					0xC118
+#define	CP_RB_WPTR_ADDR_HI				0xC11C
+#define	CP_RB_WPTR_DELAY				0x8704
+#define	CP_SEM_WAIT_TIMER				0x85BC
+
+
+#define	GC_USER_SHADER_PIPE_CONFIG			0x8954
+#define		INACTIVE_QD_PIPES(x)				((x) << 8)
+#define		INACTIVE_QD_PIPES_MASK				0x0000FF00
+#define		INACTIVE_SIMDS(x)				((x) << 16)
+#define		INACTIVE_SIMDS_MASK				0x00FF0000
+
+#define	GRBM_CNTL					0x8000
+#define		GRBM_READ_TIMEOUT(x)				((x) << 0)
+#define	GRBM_SOFT_RESET					0x8020
+#define		SOFT_RESET_CP					(1<<0)
+#define	GRBM_STATUS					0x8010
+#define		CMDFIFO_AVAIL_MASK				0x0000000F
+#define		GUI_ACTIVE					(1<<31)
+
+#define	HDP_HOST_PATH_CNTL				0x2C00
+#define	HDP_NONSURFACE_BASE				0x2C04
+#define	HDP_NONSURFACE_INFO				0x2C08
+#define	HDP_NONSURFACE_SIZE				0x2C0C
+#define HDP_REG_COHERENCY_FLUSH_CNTL			0x54A0
+#define	HDP_TILING_CONFIG				0x2F3C
+
+#define MC_SHARED_CHMAP						0x2004
+#define		NOOFCHAN_SHIFT					12
+#define		NOOFCHAN_MASK					0x00003000
+
+#define	MC_ARB_RAMCFG					0x2760
+#define		NOOFBANK_SHIFT					0
+#define		NOOFBANK_MASK					0x00000003
+#define		NOOFRANK_SHIFT					2
+#define		NOOFRANK_MASK					0x00000004
+#define		NOOFROWS_SHIFT					3
+#define		NOOFROWS_MASK					0x00000038
+#define		NOOFCOLS_SHIFT					6
+#define		NOOFCOLS_MASK					0x000000C0
+#define		CHANSIZE_SHIFT					8
+#define		CHANSIZE_MASK					0x00000100
+#define		BURSTLENGTH_SHIFT				9
+#define		BURSTLENGTH_MASK				0x00000200
+#define		CHANSIZE_OVERRIDE				(1 << 11)
+#define	MC_VM_AGP_TOP					0x2028
+#define	MC_VM_AGP_BOT					0x202C
+#define	MC_VM_AGP_BASE					0x2030
+#define	MC_VM_FB_LOCATION				0x2024
+#define	MC_VM_MB_L1_TLB0_CNTL				0x2234
+#define	MC_VM_MB_L1_TLB1_CNTL				0x2238
+#define	MC_VM_MB_L1_TLB2_CNTL				0x223C
+#define	MC_VM_MB_L1_TLB3_CNTL				0x2240
+#define		ENABLE_L1_TLB					(1 << 0)
+#define		ENABLE_L1_FRAGMENT_PROCESSING			(1 << 1)
+#define		SYSTEM_ACCESS_MODE_PA_ONLY			(0 << 3)
+#define		SYSTEM_ACCESS_MODE_USE_SYS_MAP			(1 << 3)
+#define		SYSTEM_ACCESS_MODE_IN_SYS			(2 << 3)
+#define		SYSTEM_ACCESS_MODE_NOT_IN_SYS			(3 << 3)
+#define		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU	(0 << 5)
+#define		EFFECTIVE_L1_TLB_SIZE(x)			((x)<<15)
+#define		EFFECTIVE_L1_QUEUE_SIZE(x)			((x)<<18)
+#define	MC_VM_MD_L1_TLB0_CNTL				0x2654
+#define	MC_VM_MD_L1_TLB1_CNTL				0x2658
+#define	MC_VM_MD_L1_TLB2_CNTL				0x265C
+#define	MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR		0x203C
+#define	MC_VM_SYSTEM_APERTURE_HIGH_ADDR			0x2038
+#define	MC_VM_SYSTEM_APERTURE_LOW_ADDR			0x2034
+
+#define	PA_CL_ENHANCE					0x8A14
+#define		CLIP_VTX_REORDER_ENA				(1 << 0)
+#define		NUM_CLIP_SEQ(x)					((x) << 1)
+#define PA_SC_AA_CONFIG					0x28C04
+#define PA_SC_CLIPRECT_RULE				0x2820C
+#define	PA_SC_EDGERULE					0x28230
+#define	PA_SC_FIFO_SIZE					0x8BCC
+#define		SC_PRIM_FIFO_SIZE(x)				((x) << 0)
+#define		SC_HIZ_TILE_FIFO_SIZE(x)			((x) << 12)
+#define	PA_SC_FORCE_EOV_MAX_CNTS			0x8B24
+#define		FORCE_EOV_MAX_CLK_CNT(x)			((x)<<0)
+#define		FORCE_EOV_MAX_REZ_CNT(x)			((x)<<16)
+#define PA_SC_LINE_STIPPLE				0x28A0C
+#define	PA_SC_LINE_STIPPLE_STATE			0x8B10
+
+#define	SCRATCH_REG0					0x8500
+#define	SCRATCH_REG1					0x8504
+#define	SCRATCH_REG2					0x8508
+#define	SCRATCH_REG3					0x850C
+#define	SCRATCH_REG4					0x8510
+#define	SCRATCH_REG5					0x8514
+#define	SCRATCH_REG6					0x8518
+#define	SCRATCH_REG7					0x851C
+#define	SCRATCH_UMSK					0x8540
+#define	SCRATCH_ADDR					0x8544
+
+#define	SMX_DC_CTL0					0xA020
+#define		USE_HASH_FUNCTION				(1 << 0)
+#define		CACHE_DEPTH(x)					((x) << 1)
+#define		FLUSH_ALL_ON_EVENT				(1 << 10)
+#define		STALL_ON_EVENT					(1 << 11)
+#define	SMX_EVENT_CTL					0xA02C
+#define		ES_FLUSH_CTL(x)					((x) << 0)
+#define		GS_FLUSH_CTL(x)					((x) << 3)
+#define		ACK_FLUSH_CTL(x)				((x) << 6)
+#define		SYNC_FLUSH_CTL					(1 << 8)
+
+#define	SPI_CONFIG_CNTL					0x9100
+#define		GPR_WRITE_PRIORITY(x)				((x) << 0)
+#define	SPI_CONFIG_CNTL_1				0x913C
+#define		VTX_DONE_DELAY(x)				((x) << 0)
+#define		INTERP_ONE_PRIM_PER_ROW				(1 << 4)
+#define	SPI_INPUT_Z					0x286D8
+#define	SPI_PS_IN_CONTROL_0				0x286CC
+#define		NUM_INTERP(x)					((x)<<0)
+#define		POSITION_ENA					(1<<8)
+#define		POSITION_CENTROID				(1<<9)
+#define		POSITION_ADDR(x)				((x)<<10)
+#define		PARAM_GEN(x)					((x)<<15)
+#define		PARAM_GEN_ADDR(x)				((x)<<19)
+#define		BARYC_SAMPLE_CNTL(x)				((x)<<26)
+#define		PERSP_GRADIENT_ENA				(1<<28)
+#define		LINEAR_GRADIENT_ENA				(1<<29)
+#define		POSITION_SAMPLE					(1<<30)
+#define		BARYC_AT_SAMPLE_ENA				(1<<31)
+
+#define	SQ_CONFIG					0x8C00
+#define		VC_ENABLE					(1 << 0)
+#define		EXPORT_SRC_C					(1 << 1)
+#define	SQ_GPR_RESOURCE_MGMT_1				0x8C04
+#define		NUM_PS_GPRS(x)					((x) << 0)
+#define		NUM_VS_GPRS(x)					((x) << 16)
+#define		NUM_CLAUSE_TEMP_GPRS(x)				((x) << 28)
+#define	SQ_GPR_RESOURCE_MGMT_2				0x8C08
+#define		NUM_GS_GPRS(x)					((x) << 0)
+#define		NUM_ES_GPRS(x)					((x) << 16)
+#define	SQ_MS_FIFO_SIZES				0x8CF0
+#define		CACHE_FIFO_SIZE(x)				((x) << 0)
+#define		FETCH_FIFO_HIWATER(x)				((x) << 8)
+#define		DONE_FIFO_HIWATER(x)				((x) << 16)
+#define		ALU_UPDATE_FIFO_HIWATER(x)			((x) << 24)
+
+#define	SX_DEBUG_1					0x9058
+#define		ENABLE_NEW_SMX_ADDRESS				(1 << 16)
+#define	SX_EXPORT_BUFFER_SIZES				0x900C
+#define		COLOR_BUFFER_SIZE(x)				((x) << 0)
+#define		POSITION_BUFFER_SIZE(x)				((x) << 8)
+#define		SMX_BUFFER_SIZE(x)				((x) << 16)
+#define	SX_MISC						0x28350
+
+#define	TA_CNTL_AUX					0x9508
+#define		DISABLE_CUBE_WRAP				(1 << 0)
+#define		DISABLE_CUBE_ANISO				(1 << 1)
+#define		SYNC_GRADIENT					(1 << 24)
+#define		SYNC_WALKER					(1 << 25)
+#define		SYNC_ALIGNER					(1 << 26)
+
+#define	VGT_CACHE_INVALIDATION				0x88C4
+#define		CACHE_INVALIDATION(x)				((x)<<0)
+#define			VC_ONLY						0
+#define			TC_ONLY						1
+#define			VC_AND_TC					2
+#define		AUTO_INVLD_EN(x)				((x) << 6)
+#define			NO_AUTO						0
+#define			ES_AUTO						1
+#define			GS_AUTO						2
+#define			ES_AND_GS_AUTO					3
+#define	VGT_GS_VERTEX_REUSE				0x88D4
+#define	VGT_NUM_INSTANCES				0x8974
+#define	VGT_OUT_DEALLOC_CNTL				0x28C5C
+#define		DEALLOC_DIST_MASK				0x0000007F
+#define	VGT_VERTEX_REUSE_BLOCK_CNTL			0x28C58
+#define		VTX_REUSE_DEPTH_MASK				0x000000FF
+
+#define VM_CONTEXT0_CNTL				0x1410
+#define		ENABLE_CONTEXT					(1 << 0)
+#define		PAGE_TABLE_DEPTH(x)				(((x) & 3) << 1)
+#define		RANGE_PROTECTION_FAULT_ENABLE_DEFAULT		(1 << 4)
+#define VM_CONTEXT1_CNTL				0x1414
+#define	VM_CONTEXT0_PAGE_TABLE_BASE_ADDR		0x153C
+#define	VM_CONTEXT0_PAGE_TABLE_END_ADDR			0x157C
+#define	VM_CONTEXT0_PAGE_TABLE_START_ADDR		0x155C
+#define VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR	0x1518
+#define VM_CONTEXT0_REQUEST_RESPONSE			0x1470
+#define		REQUEST_TYPE(x)					(((x) & 0xf) << 0)
+#define		RESPONSE_TYPE_MASK				0x000000F0
+#define		RESPONSE_TYPE_SHIFT				4
+#define VM_L2_CNTL					0x1400
+#define		ENABLE_L2_CACHE					(1 << 0)
+#define		ENABLE_L2_FRAGMENT_PROCESSING			(1 << 1)
+#define		ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE		(1 << 9)
+#define		EFFECTIVE_L2_QUEUE_SIZE(x)			(((x) & 7) << 14)
+#define VM_L2_CNTL2					0x1404
+#define		INVALIDATE_ALL_L1_TLBS				(1 << 0)
+#define		INVALIDATE_L2_CACHE				(1 << 1)
+#define VM_L2_CNTL3					0x1408
+#define		BANK_SELECT(x)					((x) << 0)
+#define		CACHE_UPDATE_MODE(x)				((x) << 6)
+#define	VM_L2_STATUS					0x140C
+#define		L2_BUSY						(1 << 0)
+
+#define	WAIT_UNTIL					0x8040
+
+#define	SRBM_STATUS				        0x0E50
+
+#endif
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 0d7664b8e48..d923e4b234d 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -639,7 +639,7 @@ static struct radeon_asic evergreen_asic = {
 	.gpu_is_lockup = &evergreen_gpu_is_lockup,
 	.asic_reset = &evergreen_asic_reset,
 	.vga_set_state = &r600_vga_set_state,
-	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
+	.gart_tlb_flush = &evergreen_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
 	.ring_test = NULL,
 	.ring_ib_execute = NULL,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 77d48ba4a29..1d451ff0367 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -281,6 +281,7 @@ int rv770_resume(struct radeon_device *rdev);
 /*
  * evergreen
  */
+void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev);
 int evergreen_init(struct radeon_device *rdev);
 void evergreen_fini(struct radeon_device *rdev);
 int evergreen_suspend(struct radeon_device *rdev);

From 747943ea187e5acceb7ffc762ff2c84cb3449745 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 13:26:36 -0400
Subject: [PATCH 0242/3638] drm/radeon/kms/evergreen: add soft reset function

Works pretty similarly to r6xx/r7xx.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c  | 73 ++++++++++++++++++++++++++++-
 drivers/gpu/drm/radeon/evergreend.h | 63 ++++++++++++++++++++++++-
 2 files changed, 132 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index afcff06ef29..a6130a494c5 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -511,10 +511,79 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
 	return false;
 }
 
+static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
+{
+	struct evergreen_mc_save save;
+	u32 srbm_reset = 0;
+	u32 grbm_reset = 0;
+
+	dev_info(rdev->dev, "GPU softreset \n");
+	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
+		RREG32(GRBM_STATUS));
+	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
+		RREG32(GRBM_STATUS_SE0));
+	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
+		RREG32(GRBM_STATUS_SE1));
+	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
+		RREG32(SRBM_STATUS));
+	evergreen_mc_stop(rdev, &save);
+	if (evergreen_mc_wait_for_idle(rdev)) {
+		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+	}
+	/* Disable CP parsing/prefetching */
+	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
+
+	/* reset all the gfx blocks */
+	grbm_reset = (SOFT_RESET_CP |
+		      SOFT_RESET_CB |
+		      SOFT_RESET_DB |
+		      SOFT_RESET_PA |
+		      SOFT_RESET_SC |
+		      SOFT_RESET_SPI |
+		      SOFT_RESET_SH |
+		      SOFT_RESET_SX |
+		      SOFT_RESET_TC |
+		      SOFT_RESET_TA |
+		      SOFT_RESET_VC |
+		      SOFT_RESET_VGT);
+
+	dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
+	WREG32(GRBM_SOFT_RESET, grbm_reset);
+	(void)RREG32(GRBM_SOFT_RESET);
+	udelay(50);
+	WREG32(GRBM_SOFT_RESET, 0);
+	(void)RREG32(GRBM_SOFT_RESET);
+
+	/* reset all the system blocks */
+	srbm_reset = SRBM_SOFT_RESET_ALL_MASK;
+
+	dev_info(rdev->dev, "  SRBM_SOFT_RESET=0x%08X\n", srbm_reset);
+	WREG32(SRBM_SOFT_RESET, srbm_reset);
+	(void)RREG32(SRBM_SOFT_RESET);
+	udelay(50);
+	WREG32(SRBM_SOFT_RESET, 0);
+	(void)RREG32(SRBM_SOFT_RESET);
+	/* Wait a little for things to settle down */
+	udelay(50);
+	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
+		RREG32(GRBM_STATUS));
+	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
+		RREG32(GRBM_STATUS_SE0));
+	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
+		RREG32(GRBM_STATUS_SE1));
+	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
+		RREG32(SRBM_STATUS));
+	/* After reset we need to reinit the asic as GPU often endup in an
+	 * incoherent state.
+	 */
+	atom_asic_init(rdev->mode_info.atom_context);
+	evergreen_mc_resume(rdev, &save);
+	return 0;
+}
+
 int evergreen_asic_reset(struct radeon_device *rdev)
 {
-	/* FIXME: implement for evergreen */
-	return 0;
+	return evergreen_gpu_soft_reset(rdev);
 }
 
 static int evergreen_startup(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index 5cf707a5456..7c290a6dd0e 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -78,10 +78,53 @@
 #define	GRBM_CNTL					0x8000
 #define		GRBM_READ_TIMEOUT(x)				((x) << 0)
 #define	GRBM_SOFT_RESET					0x8020
-#define		SOFT_RESET_CP					(1<<0)
+#define		SOFT_RESET_CP					(1 << 0)
+#define		SOFT_RESET_CB					(1 << 1)
+#define		SOFT_RESET_DB					(1 << 3)
+#define		SOFT_RESET_PA					(1 << 5)
+#define		SOFT_RESET_SC					(1 << 6)
+#define		SOFT_RESET_SPI					(1 << 8)
+#define		SOFT_RESET_SH					(1 << 9)
+#define		SOFT_RESET_SX					(1 << 10)
+#define		SOFT_RESET_TC					(1 << 11)
+#define		SOFT_RESET_TA					(1 << 12)
+#define		SOFT_RESET_VC					(1 << 13)
+#define		SOFT_RESET_VGT					(1 << 14)
+
 #define	GRBM_STATUS					0x8010
 #define		CMDFIFO_AVAIL_MASK				0x0000000F
-#define		GUI_ACTIVE					(1<<31)
+#define		SRBM_RQ_PENDING					(1 << 5)
+#define		CF_RQ_PENDING					(1 << 7)
+#define		PF_RQ_PENDING					(1 << 8)
+#define		GRBM_EE_BUSY					(1 << 10)
+#define		SX_CLEAN					(1 << 11)
+#define		DB_CLEAN					(1 << 12)
+#define		CB_CLEAN					(1 << 13)
+#define		TA_BUSY 					(1 << 14)
+#define		VGT_BUSY_NO_DMA					(1 << 16)
+#define		VGT_BUSY					(1 << 17)
+#define		SX_BUSY 					(1 << 20)
+#define		SH_BUSY 					(1 << 21)
+#define		SPI_BUSY					(1 << 22)
+#define		SC_BUSY 					(1 << 24)
+#define		PA_BUSY 					(1 << 25)
+#define		DB_BUSY 					(1 << 26)
+#define		CP_COHERENCY_BUSY      				(1 << 28)
+#define		CP_BUSY 					(1 << 29)
+#define		CB_BUSY 					(1 << 30)
+#define		GUI_ACTIVE					(1 << 31)
+#define	GRBM_STATUS_SE0					0x8014
+#define	GRBM_STATUS_SE1					0x8018
+#define		SE_SX_CLEAN					(1 << 0)
+#define		SE_DB_CLEAN					(1 << 1)
+#define		SE_CB_CLEAN					(1 << 2)
+#define		SE_TA_BUSY					(1 << 25)
+#define		SE_SX_BUSY					(1 << 26)
+#define		SE_SPI_BUSY					(1 << 27)
+#define		SE_SH_BUSY					(1 << 28)
+#define		SE_SC_BUSY					(1 << 29)
+#define		SE_DB_BUSY					(1 << 30)
+#define		SE_CB_BUSY					(1 << 31)
 
 #define	HDP_HOST_PATH_CNTL				0x2C00
 #define	HDP_NONSURFACE_BASE				0x2C04
@@ -266,5 +309,21 @@
 #define	WAIT_UNTIL					0x8040
 
 #define	SRBM_STATUS				        0x0E50
+#define	SRBM_SOFT_RESET				        0x0E60
+#define		SRBM_SOFT_RESET_ALL_MASK    	       	0x00FEEFA6
+#define		SOFT_RESET_BIF				(1 << 1)
+#define		SOFT_RESET_CG				(1 << 2)
+#define		SOFT_RESET_DC				(1 << 5)
+#define		SOFT_RESET_GRBM				(1 << 8)
+#define		SOFT_RESET_HDP				(1 << 9)
+#define		SOFT_RESET_IH				(1 << 10)
+#define		SOFT_RESET_MC				(1 << 11)
+#define		SOFT_RESET_RLC				(1 << 13)
+#define		SOFT_RESET_ROM				(1 << 14)
+#define		SOFT_RESET_SEM				(1 << 15)
+#define		SOFT_RESET_VMC				(1 << 17)
+#define		SOFT_RESET_TST				(1 << 21)
+#define		SOFT_RESET_REGBB		       	(1 << 22)
+#define		SOFT_RESET_ORB				(1 << 23)
 
 #endif

From 32fcdbf4084544c3d8fa413004d57e5dc6f2eefe Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 13:33:47 -0400
Subject: [PATCH 0243/3638] drm/radeon/kms/evergreen: implement gfx init

This initializes the gfx engine so accel can
eventually be used.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c  | 556 +++++++++++++++++++++++++++-
 drivers/gpu/drm/radeon/evergreend.h | 105 +++++-
 drivers/gpu/drm/radeon/radeon.h     |  25 ++
 3 files changed, 668 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index a6130a494c5..26b219bb138 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -434,24 +434,572 @@ static int evergreen_cp_load_microcode(struct radeon_device *rdev)
 
 	return 0;
 }
-
+#endif
 
 /*
  * Core functions
  */
-static u32 evergreen_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
+static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
+						  u32 num_tile_pipes,
 						  u32 num_backends,
 						  u32 backend_disable_mask)
 {
 	u32 backend_map = 0;
+	u32 enabled_backends_mask = 0;
+	u32 enabled_backends_count = 0;
+	u32 cur_pipe;
+	u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
+	u32 cur_backend = 0;
+	u32 i;
+	bool force_no_swizzle;
+
+	if (num_tile_pipes > EVERGREEN_MAX_PIPES)
+		num_tile_pipes = EVERGREEN_MAX_PIPES;
+	if (num_tile_pipes < 1)
+		num_tile_pipes = 1;
+	if (num_backends > EVERGREEN_MAX_BACKENDS)
+		num_backends = EVERGREEN_MAX_BACKENDS;
+	if (num_backends < 1)
+		num_backends = 1;
+
+	for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
+		if (((backend_disable_mask >> i) & 1) == 0) {
+			enabled_backends_mask |= (1 << i);
+			++enabled_backends_count;
+		}
+		if (enabled_backends_count == num_backends)
+			break;
+	}
+
+	if (enabled_backends_count == 0) {
+		enabled_backends_mask = 1;
+		enabled_backends_count = 1;
+	}
+
+	if (enabled_backends_count != num_backends)
+		num_backends = enabled_backends_count;
+
+	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
+	switch (rdev->family) {
+	case CHIP_CEDAR:
+	case CHIP_REDWOOD:
+		force_no_swizzle = false;
+		break;
+	case CHIP_CYPRESS:
+	case CHIP_HEMLOCK:
+	case CHIP_JUNIPER:
+	default:
+		force_no_swizzle = true;
+		break;
+	}
+	if (force_no_swizzle) {
+		bool last_backend_enabled = false;
+
+		force_no_swizzle = false;
+		for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
+			if (((enabled_backends_mask >> i) & 1) == 1) {
+				if (last_backend_enabled)
+					force_no_swizzle = true;
+				last_backend_enabled = true;
+			} else
+				last_backend_enabled = false;
+		}
+	}
+
+	switch (num_tile_pipes) {
+	case 1:
+	case 3:
+	case 5:
+	case 7:
+		DRM_ERROR("odd number of pipes!\n");
+		break;
+	case 2:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 1;
+		break;
+	case 4:
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 1;
+			swizzle_pipe[3] = 3;
+		}
+		break;
+	case 6:
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+			swizzle_pipe[5] = 5;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 1;
+			swizzle_pipe[4] = 3;
+			swizzle_pipe[5] = 5;
+		}
+		break;
+	case 8:
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+			swizzle_pipe[5] = 5;
+			swizzle_pipe[6] = 6;
+			swizzle_pipe[7] = 7;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 6;
+			swizzle_pipe[4] = 1;
+			swizzle_pipe[5] = 3;
+			swizzle_pipe[6] = 5;
+			swizzle_pipe[7] = 7;
+		}
+		break;
+	}
+
+	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
+		while (((1 << cur_backend) & enabled_backends_mask) == 0)
+			cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
+
+		backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
+
+		cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
+	}
 
 	return backend_map;
 }
-#endif
 
 static void evergreen_gpu_init(struct radeon_device *rdev)
 {
-	/* XXX */
+	u32 cc_rb_backend_disable = 0;
+	u32 cc_gc_shader_pipe_config;
+	u32 gb_addr_config = 0;
+	u32 mc_shared_chmap, mc_arb_ramcfg;
+	u32 gb_backend_map;
+	u32 grbm_gfx_index;
+	u32 sx_debug_1;
+	u32 smx_dc_ctl0;
+	u32 sq_config;
+	u32 sq_lds_resource_mgmt;
+	u32 sq_gpr_resource_mgmt_1;
+	u32 sq_gpr_resource_mgmt_2;
+	u32 sq_gpr_resource_mgmt_3;
+	u32 sq_thread_resource_mgmt;
+	u32 sq_thread_resource_mgmt_2;
+	u32 sq_stack_resource_mgmt_1;
+	u32 sq_stack_resource_mgmt_2;
+	u32 sq_stack_resource_mgmt_3;
+	u32 vgt_cache_invalidation;
+	u32 hdp_host_path_cntl;
+	int i, j, num_shader_engines, ps_thread_count;
+
+	switch (rdev->family) {
+	case CHIP_CYPRESS:
+	case CHIP_HEMLOCK:
+		rdev->config.evergreen.num_ses = 2;
+		rdev->config.evergreen.max_pipes = 4;
+		rdev->config.evergreen.max_tile_pipes = 8;
+		rdev->config.evergreen.max_simds = 10;
+		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
+		rdev->config.evergreen.max_gprs = 256;
+		rdev->config.evergreen.max_threads = 248;
+		rdev->config.evergreen.max_gs_threads = 32;
+		rdev->config.evergreen.max_stack_entries = 512;
+		rdev->config.evergreen.sx_num_of_sets = 4;
+		rdev->config.evergreen.sx_max_export_size = 256;
+		rdev->config.evergreen.sx_max_export_pos_size = 64;
+		rdev->config.evergreen.sx_max_export_smx_size = 192;
+		rdev->config.evergreen.max_hw_contexts = 8;
+		rdev->config.evergreen.sq_num_cf_insts = 2;
+
+		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
+		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
+		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
+		break;
+	case CHIP_JUNIPER:
+		rdev->config.evergreen.num_ses = 1;
+		rdev->config.evergreen.max_pipes = 4;
+		rdev->config.evergreen.max_tile_pipes = 4;
+		rdev->config.evergreen.max_simds = 10;
+		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
+		rdev->config.evergreen.max_gprs = 256;
+		rdev->config.evergreen.max_threads = 248;
+		rdev->config.evergreen.max_gs_threads = 32;
+		rdev->config.evergreen.max_stack_entries = 512;
+		rdev->config.evergreen.sx_num_of_sets = 4;
+		rdev->config.evergreen.sx_max_export_size = 256;
+		rdev->config.evergreen.sx_max_export_pos_size = 64;
+		rdev->config.evergreen.sx_max_export_smx_size = 192;
+		rdev->config.evergreen.max_hw_contexts = 8;
+		rdev->config.evergreen.sq_num_cf_insts = 2;
+
+		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
+		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
+		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
+		break;
+	case CHIP_REDWOOD:
+		rdev->config.evergreen.num_ses = 1;
+		rdev->config.evergreen.max_pipes = 4;
+		rdev->config.evergreen.max_tile_pipes = 4;
+		rdev->config.evergreen.max_simds = 5;
+		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
+		rdev->config.evergreen.max_gprs = 256;
+		rdev->config.evergreen.max_threads = 248;
+		rdev->config.evergreen.max_gs_threads = 32;
+		rdev->config.evergreen.max_stack_entries = 256;
+		rdev->config.evergreen.sx_num_of_sets = 4;
+		rdev->config.evergreen.sx_max_export_size = 256;
+		rdev->config.evergreen.sx_max_export_pos_size = 64;
+		rdev->config.evergreen.sx_max_export_smx_size = 192;
+		rdev->config.evergreen.max_hw_contexts = 8;
+		rdev->config.evergreen.sq_num_cf_insts = 2;
+
+		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
+		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
+		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
+		break;
+	case CHIP_CEDAR:
+	default:
+		rdev->config.evergreen.num_ses = 1;
+		rdev->config.evergreen.max_pipes = 2;
+		rdev->config.evergreen.max_tile_pipes = 2;
+		rdev->config.evergreen.max_simds = 2;
+		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
+		rdev->config.evergreen.max_gprs = 256;
+		rdev->config.evergreen.max_threads = 192;
+		rdev->config.evergreen.max_gs_threads = 16;
+		rdev->config.evergreen.max_stack_entries = 256;
+		rdev->config.evergreen.sx_num_of_sets = 4;
+		rdev->config.evergreen.sx_max_export_size = 128;
+		rdev->config.evergreen.sx_max_export_pos_size = 32;
+		rdev->config.evergreen.sx_max_export_smx_size = 96;
+		rdev->config.evergreen.max_hw_contexts = 4;
+		rdev->config.evergreen.sq_num_cf_insts = 1;
+
+		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
+		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
+		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
+		break;
+	}
+
+	/* Initialize HDP */
+	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
+		WREG32((0x2c14 + j), 0x00000000);
+		WREG32((0x2c18 + j), 0x00000000);
+		WREG32((0x2c1c + j), 0x00000000);
+		WREG32((0x2c20 + j), 0x00000000);
+		WREG32((0x2c24 + j), 0x00000000);
+	}
+
+	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
+
+	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
+
+	cc_gc_shader_pipe_config |=
+		INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
+				  & EVERGREEN_MAX_PIPES_MASK);
+	cc_gc_shader_pipe_config |=
+		INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
+			       & EVERGREEN_MAX_SIMDS_MASK);
+
+	cc_rb_backend_disable =
+		BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
+				& EVERGREEN_MAX_BACKENDS_MASK);
+
+
+	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
+	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
+
+	switch (rdev->config.evergreen.max_tile_pipes) {
+	case 1:
+	default:
+		gb_addr_config |= NUM_PIPES(0);
+		break;
+	case 2:
+		gb_addr_config |= NUM_PIPES(1);
+		break;
+	case 4:
+		gb_addr_config |= NUM_PIPES(2);
+		break;
+	case 8:
+		gb_addr_config |= NUM_PIPES(3);
+		break;
+	}
+
+	gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
+	gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
+	gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
+	gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
+	gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
+	gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
+
+	if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
+		gb_addr_config |= ROW_SIZE(2);
+	else
+		gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);
+
+	if (rdev->ddev->pdev->device == 0x689e) {
+		u32 efuse_straps_4;
+		u32 efuse_straps_3;
+		u8 efuse_box_bit_131_124;
+
+		WREG32(RCU_IND_INDEX, 0x204);
+		efuse_straps_4 = RREG32(RCU_IND_DATA);
+		WREG32(RCU_IND_INDEX, 0x203);
+		efuse_straps_3 = RREG32(RCU_IND_DATA);
+		efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));
+
+		switch(efuse_box_bit_131_124) {
+		case 0x00:
+			gb_backend_map = 0x76543210;
+			break;
+		case 0x55:
+			gb_backend_map = 0x77553311;
+			break;
+		case 0x56:
+			gb_backend_map = 0x77553300;
+			break;
+		case 0x59:
+			gb_backend_map = 0x77552211;
+			break;
+		case 0x66:
+			gb_backend_map = 0x77443300;
+			break;
+		case 0x99:
+			gb_backend_map = 0x66552211;
+			break;
+		case 0x5a:
+			gb_backend_map = 0x77552200;
+			break;
+		case 0xaa:
+			gb_backend_map = 0x66442200;
+			break;
+		case 0x95:
+			gb_backend_map = 0x66553311;
+			break;
+		default:
+			DRM_ERROR("bad backend map, using default\n");
+			gb_backend_map =
+				evergreen_get_tile_pipe_to_backend_map(rdev,
+								       rdev->config.evergreen.max_tile_pipes,
+								       rdev->config.evergreen.max_backends,
+								       ((EVERGREEN_MAX_BACKENDS_MASK <<
+								   rdev->config.evergreen.max_backends) &
+									EVERGREEN_MAX_BACKENDS_MASK));
+			break;
+		}
+	} else if (rdev->ddev->pdev->device == 0x68b9) {
+		u32 efuse_straps_3;
+		u8 efuse_box_bit_127_124;
+
+		WREG32(RCU_IND_INDEX, 0x203);
+		efuse_straps_3 = RREG32(RCU_IND_DATA);
+		efuse_box_bit_127_124 = (u8)(efuse_straps_3 & 0xF0000000) >> 28;
+
+		switch(efuse_box_bit_127_124) {
+		case 0x0:
+			gb_backend_map = 0x00003210;
+			break;
+		case 0x5:
+		case 0x6:
+		case 0x9:
+		case 0xa:
+			gb_backend_map = 0x00003311;
+			break;
+		default:
+			DRM_ERROR("bad backend map, using default\n");
+			gb_backend_map =
+				evergreen_get_tile_pipe_to_backend_map(rdev,
+								       rdev->config.evergreen.max_tile_pipes,
+								       rdev->config.evergreen.max_backends,
+								       ((EVERGREEN_MAX_BACKENDS_MASK <<
+								   rdev->config.evergreen.max_backends) &
+									EVERGREEN_MAX_BACKENDS_MASK));
+			break;
+		}
+	} else
+		gb_backend_map =
+			evergreen_get_tile_pipe_to_backend_map(rdev,
+							       rdev->config.evergreen.max_tile_pipes,
+							       rdev->config.evergreen.max_backends,
+							       ((EVERGREEN_MAX_BACKENDS_MASK <<
+								 rdev->config.evergreen.max_backends) &
+								EVERGREEN_MAX_BACKENDS_MASK));
+
+	WREG32(GB_BACKEND_MAP, gb_backend_map);
+	WREG32(GB_ADDR_CONFIG, gb_addr_config);
+	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
+	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
+
+	num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
+	grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
+
+	for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
+		u32 rb = cc_rb_backend_disable | (0xf0 << 16);
+		u32 sp = cc_gc_shader_pipe_config;
+		u32 gfx = grbm_gfx_index | SE_INDEX(i);
+
+		if (i == num_shader_engines) {
+			rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
+			sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
+		}
+
+		WREG32(GRBM_GFX_INDEX, gfx);
+		WREG32(RLC_GFX_INDEX, gfx);
+
+		WREG32(CC_RB_BACKEND_DISABLE, rb);
+		WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
+		WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
+		WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
+        }
+
+	grbm_gfx_index |= SE_BROADCAST_WRITES;
+	WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
+	WREG32(RLC_GFX_INDEX, grbm_gfx_index);
+
+	WREG32(CGTS_SYS_TCC_DISABLE, 0);
+	WREG32(CGTS_TCC_DISABLE, 0);
+	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
+	WREG32(CGTS_USER_TCC_DISABLE, 0);
+
+	/* set HW defaults for 3D engine */
+	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
+				     ROQ_IB2_START(0x2b)));
+
+	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
+
+	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
+			     SYNC_GRADIENT |
+			     SYNC_WALKER |
+			     SYNC_ALIGNER));
+
+	sx_debug_1 = RREG32(SX_DEBUG_1);
+	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
+	WREG32(SX_DEBUG_1, sx_debug_1);
+
+
+	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
+	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
+	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
+	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
+
+	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
+					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
+					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
+
+	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
+				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
+				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
+
+	WREG32(VGT_NUM_INSTANCES, 1);
+	WREG32(SPI_CONFIG_CNTL, 0);
+	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
+	WREG32(CP_PERFMON_CNTL, 0);
+
+	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
+				  FETCH_FIFO_HIWATER(0x4) |
+				  DONE_FIFO_HIWATER(0xe0) |
+				  ALU_UPDATE_FIFO_HIWATER(0x8)));
+
+	sq_config = RREG32(SQ_CONFIG);
+	sq_config &= ~(PS_PRIO(3) |
+		       VS_PRIO(3) |
+		       GS_PRIO(3) |
+		       ES_PRIO(3));
+	sq_config |= (VC_ENABLE |
+		      EXPORT_SRC_C |
+		      PS_PRIO(0) |
+		      VS_PRIO(1) |
+		      GS_PRIO(2) |
+		      ES_PRIO(3));
+
+	if (rdev->family == CHIP_CEDAR)
+		/* no vertex cache */
+		sq_config &= ~VC_ENABLE;
+
+	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
+
+	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
+	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
+	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
+	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
+	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
+	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
+	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
+
+	if (rdev->family == CHIP_CEDAR)
+		ps_thread_count = 96;
+	else
+		ps_thread_count = 128;
+
+	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
+	sq_thread_resource_mgmt |= NUM_VS_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
+	sq_thread_resource_mgmt |= NUM_GS_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
+	sq_thread_resource_mgmt |= NUM_ES_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
+	sq_thread_resource_mgmt_2 = NUM_HS_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
+	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
+
+	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
+	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
+	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
+	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
+	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
+	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
+
+	WREG32(SQ_CONFIG, sq_config);
+	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
+	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
+	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
+	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
+	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
+	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
+	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
+	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
+	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
+	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
+
+	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
+					  FORCE_EOV_MAX_REZ_CNT(255)));
+
+	if (rdev->family == CHIP_CEDAR)
+		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
+	else
+		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
+	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
+	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
+
+	WREG32(VGT_GS_VERTEX_REUSE, 16);
+	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
+
+	WREG32(CB_PERF_CTR0_SEL_0, 0);
+	WREG32(CB_PERF_CTR0_SEL_1, 0);
+	WREG32(CB_PERF_CTR1_SEL_0, 0);
+	WREG32(CB_PERF_CTR1_SEL_1, 0);
+	WREG32(CB_PERF_CTR2_SEL_0, 0);
+	WREG32(CB_PERF_CTR2_SEL_1, 0);
+	WREG32(CB_PERF_CTR3_SEL_0, 0);
+	WREG32(CB_PERF_CTR3_SEL_1, 0);
+
+	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
+	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
+
+	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
+
+	udelay(50);
+
 }
 
 int evergreen_mc_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index 7c290a6dd0e..effe335356c 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -24,12 +24,49 @@
 #ifndef EVERGREEND_H
 #define EVERGREEND_H
 
+#define EVERGREEN_MAX_SH_GPRS           256
+#define EVERGREEN_MAX_TEMP_GPRS         16
+#define EVERGREEN_MAX_SH_THREADS        256
+#define EVERGREEN_MAX_SH_STACK_ENTRIES  4096
+#define EVERGREEN_MAX_FRC_EOV_CNT       16384
+#define EVERGREEN_MAX_BACKENDS          8
+#define EVERGREEN_MAX_BACKENDS_MASK     0xFF
+#define EVERGREEN_MAX_SIMDS             16
+#define EVERGREEN_MAX_SIMDS_MASK        0xFFFF
+#define EVERGREEN_MAX_PIPES             8
+#define EVERGREEN_MAX_PIPES_MASK        0xFF
+#define EVERGREEN_MAX_LDS_NUM           0xFFFF
+
 /* Registers */
 
-#define	CC_GC_SHADER_PIPE_CONFIG			0x8950
-#define	CC_RB_BACKEND_DISABLE				0x98F4
-#define		BACKEND_DISABLE(x)				((x) << 16)
+#define RCU_IND_INDEX           			0x100
+#define RCU_IND_DATA            			0x104
+
+#define GRBM_GFX_INDEX          			0x802C
+#define		INSTANCE_INDEX(x)			((x) << 0)
+#define		SE_INDEX(x)     			((x) << 16)
+#define		INSTANCE_BROADCAST_WRITES      		(1 << 30)
+#define		SE_BROADCAST_WRITES      		(1 << 31)
+#define RLC_GFX_INDEX           			0x3fC4
+#define CC_GC_SHADER_PIPE_CONFIG			0x8950
+#define		WRITE_DIS      				(1 << 0)
+#define CC_RB_BACKEND_DISABLE				0x98F4
+#define		BACKEND_DISABLE(x)     			((x) << 16)
+#define GB_ADDR_CONFIG  				0x98F8
+#define		NUM_PIPES(x)				((x) << 0)
+#define		PIPE_INTERLEAVE_SIZE(x)			((x) << 4)
+#define		BANK_INTERLEAVE_SIZE(x)			((x) << 8)
+#define		NUM_SHADER_ENGINES(x)			((x) << 12)
+#define		SHADER_ENGINE_TILE_SIZE(x)     		((x) << 16)
+#define		NUM_GPUS(x)     			((x) << 20)
+#define		MULTI_GPU_TILE_SIZE(x)     		((x) << 24)
+#define		ROW_SIZE(x)             		((x) << 28)
+#define GB_BACKEND_MAP  				0x98FC
+#define DMIF_ADDR_CONFIG  				0xBD4
+#define HDP_ADDR_CONFIG  				0x2F48
+
 #define	CC_SYS_RB_BACKEND_DISABLE			0x3F88
+#define	GC_USER_RB_BACKEND_DISABLE			0x9B7C
 
 #define	CGTS_SYS_TCC_DISABLE				0x3F90
 #define	CGTS_TCC_DISABLE				0x9148
@@ -38,9 +75,9 @@
 
 #define	CONFIG_MEMSIZE					0x5428
 
-#define	CP_ME_CNTL					0x86D8
-#define		CP_ME_HALT					(1<<28)
-#define		CP_PFP_HALT					(1<<26)
+#define CP_ME_CNTL					0x86D8
+#define		CP_ME_HALT					(1 << 28)
+#define		CP_PFP_HALT					(1 << 26)
 #define	CP_ME_RAM_DATA					0xC160
 #define	CP_ME_RAM_RADDR					0xC158
 #define	CP_ME_RAM_WADDR					0xC15C
@@ -53,10 +90,10 @@
 #define		ROQ_IB1_START(x)				((x) << 0)
 #define		ROQ_IB2_START(x)				((x) << 8)
 #define	CP_RB_CNTL					0xC104
-#define		RB_BUFSZ(x)					((x)<<0)
-#define		RB_BLKSZ(x)					((x)<<8)
-#define		RB_NO_UPDATE					(1<<27)
-#define		RB_RPTR_WR_ENA					(1<<31)
+#define		RB_BUFSZ(x)					((x) << 0)
+#define		RB_BLKSZ(x)					((x) << 8)
+#define		RB_NO_UPDATE					(1 << 27)
+#define		RB_RPTR_WR_ENA					(1 << 31)
 #define		BUF_SWAP_32BIT					(2 << 16)
 #define	CP_RB_RPTR					0x8700
 #define	CP_RB_RPTR_ADDR					0xC10C
@@ -184,9 +221,10 @@
 #define	PA_SC_FIFO_SIZE					0x8BCC
 #define		SC_PRIM_FIFO_SIZE(x)				((x) << 0)
 #define		SC_HIZ_TILE_FIFO_SIZE(x)			((x) << 12)
+#define		SC_EARLYZ_TILE_FIFO_SIZE(x)			((x) << 20)
 #define	PA_SC_FORCE_EOV_MAX_CNTS			0x8B24
-#define		FORCE_EOV_MAX_CLK_CNT(x)			((x)<<0)
-#define		FORCE_EOV_MAX_REZ_CNT(x)			((x)<<16)
+#define		FORCE_EOV_MAX_CLK_CNT(x)			((x) << 0)
+#define		FORCE_EOV_MAX_REZ_CNT(x)			((x) << 16)
 #define PA_SC_LINE_STIPPLE				0x28A0C
 #define	PA_SC_LINE_STIPPLE_STATE			0x8B10
 
@@ -203,7 +241,7 @@
 
 #define	SMX_DC_CTL0					0xA020
 #define		USE_HASH_FUNCTION				(1 << 0)
-#define		CACHE_DEPTH(x)					((x) << 1)
+#define		NUMBER_OF_SETS(x)				((x) << 1)
 #define		FLUSH_ALL_ON_EVENT				(1 << 10)
 #define		STALL_ON_EVENT					(1 << 11)
 #define	SMX_EVENT_CTL					0xA02C
@@ -234,6 +272,13 @@
 #define	SQ_CONFIG					0x8C00
 #define		VC_ENABLE					(1 << 0)
 #define		EXPORT_SRC_C					(1 << 1)
+#define		CS_PRIO(x)					((x) << 18)
+#define		LS_PRIO(x)					((x) << 20)
+#define		HS_PRIO(x)					((x) << 22)
+#define		PS_PRIO(x)					((x) << 24)
+#define		VS_PRIO(x)					((x) << 26)
+#define		GS_PRIO(x)					((x) << 28)
+#define		ES_PRIO(x)					((x) << 30)
 #define	SQ_GPR_RESOURCE_MGMT_1				0x8C04
 #define		NUM_PS_GPRS(x)					((x) << 0)
 #define		NUM_VS_GPRS(x)					((x) << 16)
@@ -241,6 +286,29 @@
 #define	SQ_GPR_RESOURCE_MGMT_2				0x8C08
 #define		NUM_GS_GPRS(x)					((x) << 0)
 #define		NUM_ES_GPRS(x)					((x) << 16)
+#define	SQ_GPR_RESOURCE_MGMT_3				0x8C0C
+#define		NUM_HS_GPRS(x)					((x) << 0)
+#define		NUM_LS_GPRS(x)					((x) << 16)
+#define	SQ_THREAD_RESOURCE_MGMT				0x8C18
+#define		NUM_PS_THREADS(x)				((x) << 0)
+#define		NUM_VS_THREADS(x)				((x) << 8)
+#define		NUM_GS_THREADS(x)				((x) << 16)
+#define		NUM_ES_THREADS(x)				((x) << 24)
+#define	SQ_THREAD_RESOURCE_MGMT_2			0x8C1C
+#define		NUM_HS_THREADS(x)				((x) << 0)
+#define		NUM_LS_THREADS(x)				((x) << 8)
+#define	SQ_STACK_RESOURCE_MGMT_1			0x8C20
+#define		NUM_PS_STACK_ENTRIES(x)				((x) << 0)
+#define		NUM_VS_STACK_ENTRIES(x)				((x) << 16)
+#define	SQ_STACK_RESOURCE_MGMT_2			0x8C24
+#define		NUM_GS_STACK_ENTRIES(x)				((x) << 0)
+#define		NUM_ES_STACK_ENTRIES(x)				((x) << 16)
+#define	SQ_STACK_RESOURCE_MGMT_3			0x8C28
+#define		NUM_HS_STACK_ENTRIES(x)				((x) << 0)
+#define		NUM_LS_STACK_ENTRIES(x)				((x) << 16)
+#define	SQ_DYN_GPR_CNTL_PS_FLUSH_REQ    		0x8D8C
+#define	SQ_LDS_RESOURCE_MGMT    			0x8E2C
+
 #define	SQ_MS_FIFO_SIZES				0x8CF0
 #define		CACHE_FIFO_SIZE(x)				((x) << 0)
 #define		FETCH_FIFO_HIWATER(x)				((x) << 8)
@@ -255,6 +323,15 @@
 #define		SMX_BUFFER_SIZE(x)				((x) << 16)
 #define	SX_MISC						0x28350
 
+#define CB_PERF_CTR0_SEL_0				0x9A20
+#define CB_PERF_CTR0_SEL_1				0x9A24
+#define CB_PERF_CTR1_SEL_0				0x9A28
+#define CB_PERF_CTR1_SEL_1				0x9A2C
+#define CB_PERF_CTR2_SEL_0				0x9A30
+#define CB_PERF_CTR2_SEL_1				0x9A34
+#define CB_PERF_CTR3_SEL_0				0x9A38
+#define CB_PERF_CTR3_SEL_1				0x9A3C
+
 #define	TA_CNTL_AUX					0x9508
 #define		DISABLE_CUBE_WRAP				(1 << 0)
 #define		DISABLE_CUBE_ANISO				(1 << 1)
@@ -263,7 +340,7 @@
 #define		SYNC_ALIGNER					(1 << 26)
 
 #define	VGT_CACHE_INVALIDATION				0x88C4
-#define		CACHE_INVALIDATION(x)				((x)<<0)
+#define		CACHE_INVALIDATION(x)				((x) << 0)
 #define			VC_ONLY						0
 #define			TC_ONLY						1
 #define			VC_AND_TC					2
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 4ac97ab2894..a77a8620399 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -870,11 +870,36 @@ struct rv770_asic {
 	struct r100_gpu_lockup	lockup;
 };
 
+struct evergreen_asic {
+	unsigned num_ses;
+	unsigned max_pipes;
+	unsigned max_tile_pipes;
+	unsigned max_simds;
+	unsigned max_backends;
+	unsigned max_gprs;
+	unsigned max_threads;
+	unsigned max_stack_entries;
+	unsigned max_hw_contexts;
+	unsigned max_gs_threads;
+	unsigned sx_max_export_size;
+	unsigned sx_max_export_pos_size;
+	unsigned sx_max_export_smx_size;
+	unsigned sq_num_cf_insts;
+	unsigned sx_num_of_sets;
+	unsigned sc_prim_fifo_size;
+	unsigned sc_hiz_tile_fifo_size;
+	unsigned sc_earlyz_tile_fifo_size;
+	unsigned tiling_nbanks;
+	unsigned tiling_npipes;
+	unsigned tiling_group_size;
+};
+
 union radeon_asic_config {
 	struct r300_asic	r300;
 	struct r100_asic	r100;
 	struct r600_asic	r600;
 	struct rv770_asic	rv770;
+	struct evergreen_asic	evergreen;
 };
 
 /*

From fe251e2fffa1ebc17c8e6e895b0374ae4e732fa5 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 13:36:43 -0400
Subject: [PATCH 0244/3638] drm/radeon/kms/evergreen: setup and enable the CP

The command processor (CP) fetches command buffers and
feeds the GPU.  This patch requires the evergreen
family me and pfp ucode files.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c   | 117 ++++++++++++++++++++++-----
 drivers/gpu/drm/radeon/evergreend.h  |   2 +
 drivers/gpu/drm/radeon/r600.c        |  47 +++++++++--
 drivers/gpu/drm/radeon/radeon.h      |   4 +
 drivers/gpu/drm/radeon/radeon_asic.c |   6 +-
 drivers/gpu/drm/radeon/rv770.c       |  10 ++-
 6 files changed, 154 insertions(+), 32 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 26b219bb138..57fe569682d 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -32,6 +32,9 @@
 #include "avivod.h"
 #include "evergreen_reg.h"
 
+#define EVERGREEN_PFP_UCODE_SIZE 1120
+#define EVERGREEN_PM4_UCODE_SIZE 1376
+
 static void evergreen_gpu_init(struct radeon_device *rdev);
 void evergreen_fini(struct radeon_device *rdev);
 
@@ -418,23 +421,91 @@ static void evergreen_mc_program(struct radeon_device *rdev)
 	rv515_vga_render_disable(rdev);
 }
 
-#if 0
 /*
  * CP.
  */
-static void evergreen_cp_stop(struct radeon_device *rdev)
-{
-	/* XXX */
-}
-
 
 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
 {
-	/* XXX */
+	const __be32 *fw_data;
+	int i;
 
+	if (!rdev->me_fw || !rdev->pfp_fw)
+		return -EINVAL;
+
+	r700_cp_stop(rdev);
+	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
+
+	fw_data = (const __be32 *)rdev->pfp_fw->data;
+	WREG32(CP_PFP_UCODE_ADDR, 0);
+	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
+		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
+	WREG32(CP_PFP_UCODE_ADDR, 0);
+
+	fw_data = (const __be32 *)rdev->me_fw->data;
+	WREG32(CP_ME_RAM_WADDR, 0);
+	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
+		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
+
+	WREG32(CP_PFP_UCODE_ADDR, 0);
+	WREG32(CP_ME_RAM_WADDR, 0);
+	WREG32(CP_ME_RAM_RADDR, 0);
 	return 0;
 }
+
+int evergreen_cp_resume(struct radeon_device *rdev)
+{
+	u32 tmp;
+	u32 rb_bufsz;
+	int r;
+
+	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
+	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
+				 SOFT_RESET_PA |
+				 SOFT_RESET_SH |
+				 SOFT_RESET_VGT |
+				 SOFT_RESET_SX));
+	RREG32(GRBM_SOFT_RESET);
+	mdelay(15);
+	WREG32(GRBM_SOFT_RESET, 0);
+	RREG32(GRBM_SOFT_RESET);
+
+	/* Set ring buffer size */
+	rb_bufsz = drm_order(rdev->cp.ring_size / 8);
+	tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
+#ifdef __BIG_ENDIAN
+	tmp |= BUF_SWAP_32BIT;
 #endif
+	WREG32(CP_RB_CNTL, tmp);
+	WREG32(CP_SEM_WAIT_TIMER, 0x4);
+
+	/* Set the write pointer delay */
+	WREG32(CP_RB_WPTR_DELAY, 0);
+
+	/* Initialize the ring buffer's read and write pointers */
+	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
+	WREG32(CP_RB_RPTR_WR, 0);
+	WREG32(CP_RB_WPTR, 0);
+	WREG32(CP_RB_RPTR_ADDR, rdev->cp.gpu_addr & 0xFFFFFFFF);
+	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->cp.gpu_addr));
+	mdelay(1);
+	WREG32(CP_RB_CNTL, tmp);
+
+	WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
+	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
+
+	rdev->cp.rptr = RREG32(CP_RB_RPTR);
+	rdev->cp.wptr = RREG32(CP_RB_WPTR);
+
+	r600_cp_start(rdev);
+	rdev->cp.ready = true;
+	r = radeon_ring_test(rdev);
+	if (r) {
+		rdev->cp.ready = false;
+		return r;
+	}
+	return 0;
+}
 
 /*
  * Core functions
@@ -1138,15 +1209,15 @@ static int evergreen_startup(struct radeon_device *rdev)
 {
 	int r;
 
-#if 0
-	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
+	/* XXX until interrupts are supported */
+	if (!rdev->me_fw || !rdev->pfp_fw /*|| !rdev->rlc_fw*/) {
 		r = r600_init_microcode(rdev);
 		if (r) {
 			DRM_ERROR("Failed to load firmware!\n");
 			return r;
 		}
 	}
-#endif
+
 	evergreen_mc_program(rdev);
 	if (rdev->flags & RADEON_IS_AGP) {
 		evergreen_agp_enable(rdev);
@@ -1184,6 +1255,7 @@ static int evergreen_startup(struct radeon_device *rdev)
 		return r;
 	}
 	r600_irq_set(rdev);
+#endif
 
 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
 	if (r)
@@ -1191,12 +1263,12 @@ static int evergreen_startup(struct radeon_device *rdev)
 	r = evergreen_cp_load_microcode(rdev);
 	if (r)
 		return r;
-	r = r600_cp_resume(rdev);
+	r = evergreen_cp_resume(rdev);
 	if (r)
 		return r;
 	/* write back buffer are not vital so don't worry about failure */
 	r600_wb_enable(rdev);
-#endif
+
 	return 0;
 }
 
@@ -1221,13 +1293,13 @@ int evergreen_resume(struct radeon_device *rdev)
 		DRM_ERROR("r600 startup failed on resume\n");
 		return r;
 	}
-#if 0
+
 	r = r600_ib_test(rdev);
 	if (r) {
 		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
 		return r;
 	}
-#endif
+
 	return r;
 
 }
@@ -1236,12 +1308,11 @@ int evergreen_suspend(struct radeon_device *rdev)
 {
 #if 0
 	int r;
-
+#endif
 	/* FIXME: we should wait for ring to be empty */
 	r700_cp_stop(rdev);
 	rdev->cp.ready = false;
 	r600_wb_disable(rdev);
-#endif
 
 	evergreen_pcie_gart_disable(rdev);
 #if 0
@@ -1348,10 +1419,10 @@ int evergreen_init(struct radeon_device *rdev)
 	r = radeon_irq_kms_init(rdev);
 	if (r)
 		return r;
-
+#endif
 	rdev->cp.ring_obj = NULL;
 	r600_ring_init(rdev, 1024 * 1024);
-
+#if 0
 	rdev->ih.ring_obj = NULL;
 	r600_ih_ring_init(rdev, 64 * 1024);
 #endif
@@ -1362,9 +1433,13 @@ int evergreen_init(struct radeon_device *rdev)
 	rdev->accel_working = false;
 	r = evergreen_startup(rdev);
 	if (r) {
-		evergreen_suspend(rdev);
-		/*r600_wb_fini(rdev);*/
-		/*radeon_ring_fini(rdev);*/
+		dev_err(rdev->dev, "disabling GPU acceleration\n");
+		r700_cp_fini(rdev);
+		r600_wb_fini(rdev);
+#if 0
+		r600_irq_fini(rdev);
+		radeon_irq_kms_fini(rdev);
+#endif
 		evergreen_pcie_gart_fini(rdev);
 		rdev->accel_working = false;
 	}
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index effe335356c..10e9768534d 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -89,6 +89,7 @@
 #define	CP_QUEUE_THRESHOLDS				0x8760
 #define		ROQ_IB1_START(x)				((x) << 0)
 #define		ROQ_IB2_START(x)				((x) << 8)
+#define	CP_RB_BASE					0xC100
 #define	CP_RB_CNTL					0xC104
 #define		RB_BUFSZ(x)					((x) << 0)
 #define		RB_BLKSZ(x)					((x) << 8)
@@ -104,6 +105,7 @@
 #define	CP_RB_WPTR_ADDR_HI				0xC11C
 #define	CP_RB_WPTR_DELAY				0x8704
 #define	CP_SEM_WAIT_TIMER				0x85BC
+#define	CP_DEBUG					0xC1FC
 
 
 #define	GC_USER_SHADER_PIPE_CONFIG			0x8954
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 13c9cc34231..4b0225715b9 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -43,6 +43,8 @@
 #define R700_PFP_UCODE_SIZE 848
 #define R700_PM4_UCODE_SIZE 1360
 #define R700_RLC_UCODE_SIZE 1024
+#define EVERGREEN_PFP_UCODE_SIZE 1120
+#define EVERGREEN_PM4_UCODE_SIZE 1376
 
 /* Firmware Names */
 MODULE_FIRMWARE("radeon/R600_pfp.bin");
@@ -67,6 +69,14 @@ MODULE_FIRMWARE("radeon/RV710_pfp.bin");
 MODULE_FIRMWARE("radeon/RV710_me.bin");
 MODULE_FIRMWARE("radeon/R600_rlc.bin");
 MODULE_FIRMWARE("radeon/R700_rlc.bin");
+MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
+MODULE_FIRMWARE("radeon/CEDAR_me.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
+MODULE_FIRMWARE("radeon/CYRPESS_pfp.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
 
 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
 
@@ -1449,10 +1459,31 @@ int r600_init_microcode(struct radeon_device *rdev)
 		chip_name = "RV710";
 		rlc_chip_name = "R700";
 		break;
+	case CHIP_CEDAR:
+		chip_name = "CEDAR";
+		rlc_chip_name = "";
+		break;
+	case CHIP_REDWOOD:
+		chip_name = "REDWOOD";
+		rlc_chip_name = "";
+		break;
+	case CHIP_JUNIPER:
+		chip_name = "JUNIPER";
+		rlc_chip_name = "";
+		break;
+	case CHIP_CYPRESS:
+	case CHIP_HEMLOCK:
+		chip_name = "CYPRESS";
+		rlc_chip_name = "";
+		break;
 	default: BUG();
 	}
 
-	if (rdev->family >= CHIP_RV770) {
+	if (rdev->family >= CHIP_CEDAR) {
+		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
+		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
+		rlc_req_size = 0;
+	} else if (rdev->family >= CHIP_RV770) {
 		pfp_req_size = R700_PFP_UCODE_SIZE * 4;
 		me_req_size = R700_PM4_UCODE_SIZE * 4;
 		rlc_req_size = R700_RLC_UCODE_SIZE * 4;
@@ -1487,6 +1518,8 @@ int r600_init_microcode(struct radeon_device *rdev)
 		err = -EINVAL;
 	}
 
+	/* XXX until evergreen interrupts are supported */
+	if (rdev->family < CHIP_CEDAR) {
 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 	err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
 	if (err)
@@ -1497,6 +1530,7 @@ int r600_init_microcode(struct radeon_device *rdev)
 		       rdev->rlc_fw->size, fw_name);
 		err = -EINVAL;
 	}
+	}
 
 out:
 	platform_device_unregister(pdev);
@@ -1566,12 +1600,15 @@ int r600_cp_start(struct radeon_device *rdev)
 	}
 	radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
 	radeon_ring_write(rdev, 0x1);
-	if (rdev->family < CHIP_RV770) {
-		radeon_ring_write(rdev, 0x3);
-		radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1);
-	} else {
+	if (rdev->family >= CHIP_CEDAR) {
+		radeon_ring_write(rdev, 0x0);
+		radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1);
+	} else if (rdev->family >= CHIP_RV770) {
 		radeon_ring_write(rdev, 0x0);
 		radeon_ring_write(rdev, rdev->config.rv770.max_hw_contexts - 1);
+	} else {
+		radeon_ring_write(rdev, 0x3);
+		radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1);
 	}
 	radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
 	radeon_ring_write(rdev, 0);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index a77a8620399..acf21d7e3cb 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1300,6 +1300,7 @@ extern void rs690_line_buffer_adjust(struct radeon_device *rdev,
 extern void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
 extern bool r600_card_posted(struct radeon_device *rdev);
 extern void r600_cp_stop(struct radeon_device *rdev);
+extern int r600_cp_start(struct radeon_device *rdev);
 extern void r600_ring_init(struct radeon_device *rdev, unsigned ring_size);
 extern int r600_cp_resume(struct radeon_device *rdev);
 extern void r600_cp_fini(struct radeon_device *rdev);
@@ -1340,6 +1341,9 @@ extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
 					    uint8_t status_bits,
 					    uint8_t category_code);
 
+extern void r700_cp_stop(struct radeon_device *rdev);
+extern void r700_cp_fini(struct radeon_device *rdev);
+
 /* evergreen */
 struct evergreen_mc_save {
 	u32 vga_control[6];
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index d923e4b234d..3a576ab805c 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -635,14 +635,14 @@ static struct radeon_asic evergreen_asic = {
 	.fini = &evergreen_fini,
 	.suspend = &evergreen_suspend,
 	.resume = &evergreen_resume,
-	.cp_commit = NULL,
+	.cp_commit = &r600_cp_commit,
 	.gpu_is_lockup = &evergreen_gpu_is_lockup,
 	.asic_reset = &evergreen_asic_reset,
 	.vga_set_state = &r600_vga_set_state,
 	.gart_tlb_flush = &evergreen_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
-	.ring_test = NULL,
-	.ring_ib_execute = NULL,
+	.ring_test = &r600_ring_test,
+	.ring_ib_execute = &r600_ring_ib_execute,
 	.irq_set = NULL,
 	.irq_process = NULL,
 	.get_vblank_counter = NULL,
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 2b8a4e17065..2642d264264 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -236,7 +236,6 @@ void r700_cp_stop(struct radeon_device *rdev)
 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
 }
 
-
 static int rv770_cp_load_microcode(struct radeon_device *rdev)
 {
 	const __be32 *fw_data;
@@ -271,6 +270,11 @@ static int rv770_cp_load_microcode(struct radeon_device *rdev)
 	return 0;
 }
 
+void r700_cp_fini(struct radeon_device *rdev)
+{
+	r700_cp_stop(rdev);
+	radeon_ring_fini(rdev);
+}
 
 /*
  * Core functions
@@ -1125,7 +1129,7 @@ int rv770_init(struct radeon_device *rdev)
 	r = rv770_startup(rdev);
 	if (r) {
 		dev_err(rdev->dev, "disabling GPU acceleration\n");
-		r600_cp_fini(rdev);
+		r700_cp_fini(rdev);
 		r600_wb_fini(rdev);
 		r600_irq_fini(rdev);
 		radeon_irq_kms_fini(rdev);
@@ -1159,7 +1163,7 @@ void rv770_fini(struct radeon_device *rdev)
 {
 	radeon_pm_fini(rdev);
 	r600_blit_fini(rdev);
-	r600_cp_fini(rdev);
+	r700_cp_fini(rdev);
 	r600_wb_fini(rdev);
 	r600_irq_fini(rdev);
 	radeon_irq_kms_fini(rdev);

From 45f9a39bedc3afab3fc85567792efc0103f34a55 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 13:55:51 -0400
Subject: [PATCH 0245/3638] drm/radeon/kms/evergreen: implement irq support

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c |   8 +-
 drivers/gpu/drm/radeon/evergreen.c     | 549 ++++++++++++++++++++++++-
 drivers/gpu/drm/radeon/evergreend.h    | 148 +++++++
 drivers/gpu/drm/radeon/r600.c          |  40 +-
 drivers/gpu/drm/radeon/radeon.h        |   5 +-
 drivers/gpu/drm/radeon/radeon_asic.c   |   6 +-
 drivers/gpu/drm/radeon/radeon_asic.h   |   4 +
 7 files changed, 719 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index fd4ef6d1884..6300675dd48 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -249,17 +249,13 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 		if (ASIC_IS_DCE3(rdev))
 			atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
 		atombios_blank_crtc(crtc, ATOM_DISABLE);
-		/* XXX re-enable when interrupt support is added */
-		if (!ASIC_IS_DCE4(rdev))
-			drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 		radeon_crtc_load_lut(crtc);
 		break;
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
 	case DRM_MODE_DPMS_OFF:
-		/* XXX re-enable when interrupt support is added */
-		if (!ASIC_IS_DCE4(rdev))
-			drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
+		drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
 		atombios_blank_crtc(crtc, ATOM_ENABLE);
 		if (ASIC_IS_DCE3(rdev))
 			atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 57fe569682d..5c34349058c 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1205,12 +1205,532 @@ int evergreen_asic_reset(struct radeon_device *rdev)
 	return evergreen_gpu_soft_reset(rdev);
 }
 
+/* Interrupts */
+
+u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
+{
+	switch (crtc) {
+	case 0:
+		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
+	case 1:
+		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
+	case 2:
+		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
+	case 3:
+		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
+	case 4:
+		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
+	case 5:
+		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
+	default:
+		return 0;
+	}
+}
+
+void evergreen_disable_interrupt_state(struct radeon_device *rdev)
+{
+	u32 tmp;
+
+	WREG32(CP_INT_CNTL, 0);
+	WREG32(GRBM_INT_CNTL, 0);
+	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+	WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+	WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+	WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+	WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+
+	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+
+	WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
+	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
+
+	tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+	WREG32(DC_HPD1_INT_CONTROL, tmp);
+	tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+	WREG32(DC_HPD2_INT_CONTROL, tmp);
+	tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+	WREG32(DC_HPD3_INT_CONTROL, tmp);
+	tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+	WREG32(DC_HPD4_INT_CONTROL, tmp);
+	tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+	WREG32(DC_HPD5_INT_CONTROL, tmp);
+	tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+	WREG32(DC_HPD6_INT_CONTROL, tmp);
+
+}
+
+int evergreen_irq_set(struct radeon_device *rdev)
+{
+	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
+	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
+	u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
+
+	if (!rdev->irq.installed) {
+		WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+		return -EINVAL;
+	}
+	/* don't enable anything if the ih is disabled */
+	if (!rdev->ih.enabled) {
+		r600_disable_interrupts(rdev);
+		/* force the active interrupt state to all disabled */
+		evergreen_disable_interrupt_state(rdev);
+		return 0;
+	}
+
+	hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
+	hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
+	hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
+	hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
+	hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
+	hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
+
+	if (rdev->irq.sw_int) {
+		DRM_DEBUG("evergreen_irq_set: sw int\n");
+		cp_int_cntl |= RB_INT_ENABLE;
+	}
+	if (rdev->irq.crtc_vblank_int[0]) {
+		DRM_DEBUG("evergreen_irq_set: vblank 0\n");
+		crtc1 |= VBLANK_INT_MASK;
+	}
+	if (rdev->irq.crtc_vblank_int[1]) {
+		DRM_DEBUG("evergreen_irq_set: vblank 1\n");
+		crtc2 |= VBLANK_INT_MASK;
+	}
+	if (rdev->irq.crtc_vblank_int[2]) {
+		DRM_DEBUG("evergreen_irq_set: vblank 2\n");
+		crtc3 |= VBLANK_INT_MASK;
+	}
+	if (rdev->irq.crtc_vblank_int[3]) {
+		DRM_DEBUG("evergreen_irq_set: vblank 3\n");
+		crtc4 |= VBLANK_INT_MASK;
+	}
+	if (rdev->irq.crtc_vblank_int[4]) {
+		DRM_DEBUG("evergreen_irq_set: vblank 4\n");
+		crtc5 |= VBLANK_INT_MASK;
+	}
+	if (rdev->irq.crtc_vblank_int[5]) {
+		DRM_DEBUG("evergreen_irq_set: vblank 5\n");
+		crtc6 |= VBLANK_INT_MASK;
+	}
+	if (rdev->irq.hpd[0]) {
+		DRM_DEBUG("evergreen_irq_set: hpd 1\n");
+		hpd1 |= DC_HPDx_INT_EN;
+	}
+	if (rdev->irq.hpd[1]) {
+		DRM_DEBUG("evergreen_irq_set: hpd 2\n");
+		hpd2 |= DC_HPDx_INT_EN;
+	}
+	if (rdev->irq.hpd[2]) {
+		DRM_DEBUG("evergreen_irq_set: hpd 3\n");
+		hpd3 |= DC_HPDx_INT_EN;
+	}
+	if (rdev->irq.hpd[3]) {
+		DRM_DEBUG("evergreen_irq_set: hpd 4\n");
+		hpd4 |= DC_HPDx_INT_EN;
+	}
+	if (rdev->irq.hpd[4]) {
+		DRM_DEBUG("evergreen_irq_set: hpd 5\n");
+		hpd5 |= DC_HPDx_INT_EN;
+	}
+	if (rdev->irq.hpd[5]) {
+		DRM_DEBUG("evergreen_irq_set: hpd 6\n");
+		hpd6 |= DC_HPDx_INT_EN;
+	}
+
+	WREG32(CP_INT_CNTL, cp_int_cntl);
+
+	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
+	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
+	WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
+	WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
+	WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
+	WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
+
+	WREG32(DC_HPD1_INT_CONTROL, hpd1);
+	WREG32(DC_HPD2_INT_CONTROL, hpd2);
+	WREG32(DC_HPD3_INT_CONTROL, hpd3);
+	WREG32(DC_HPD4_INT_CONTROL, hpd4);
+	WREG32(DC_HPD5_INT_CONTROL, hpd5);
+	WREG32(DC_HPD6_INT_CONTROL, hpd6);
+
+	return 0;
+}
+
+static inline void evergreen_irq_ack(struct radeon_device *rdev,
+				     u32 *disp_int,
+				     u32 *disp_int_cont,
+				     u32 *disp_int_cont2,
+				     u32 *disp_int_cont3,
+				     u32 *disp_int_cont4,
+				     u32 *disp_int_cont5)
+{
+	u32 tmp;
+
+	*disp_int = RREG32(DISP_INTERRUPT_STATUS);
+	*disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
+	*disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
+	*disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
+	*disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
+	*disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
+
+	if (*disp_int & LB_D1_VBLANK_INTERRUPT)
+		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
+	if (*disp_int & LB_D1_VLINE_INTERRUPT)
+		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
+
+	if (*disp_int_cont & LB_D2_VBLANK_INTERRUPT)
+		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
+	if (*disp_int_cont & LB_D2_VLINE_INTERRUPT)
+		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
+
+	if (*disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
+		WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
+	if (*disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
+		WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
+
+	if (*disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
+		WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
+	if (*disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
+		WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
+
+	if (*disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
+		WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
+	if (*disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
+		WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
+
+	if (*disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
+		WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
+	if (*disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
+		WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
+
+	if (*disp_int & DC_HPD1_INTERRUPT) {
+		tmp = RREG32(DC_HPD1_INT_CONTROL);
+		tmp |= DC_HPDx_INT_ACK;
+		WREG32(DC_HPD1_INT_CONTROL, tmp);
+	}
+	if (*disp_int_cont & DC_HPD2_INTERRUPT) {
+		tmp = RREG32(DC_HPD2_INT_CONTROL);
+		tmp |= DC_HPDx_INT_ACK;
+		WREG32(DC_HPD2_INT_CONTROL, tmp);
+	}
+	if (*disp_int_cont2 & DC_HPD3_INTERRUPT) {
+		tmp = RREG32(DC_HPD3_INT_CONTROL);
+		tmp |= DC_HPDx_INT_ACK;
+		WREG32(DC_HPD3_INT_CONTROL, tmp);
+	}
+	if (*disp_int_cont3 & DC_HPD4_INTERRUPT) {
+		tmp = RREG32(DC_HPD4_INT_CONTROL);
+		tmp |= DC_HPDx_INT_ACK;
+		WREG32(DC_HPD4_INT_CONTROL, tmp);
+	}
+	if (*disp_int_cont4 & DC_HPD5_INTERRUPT) {
+		tmp = RREG32(DC_HPD5_INT_CONTROL);
+		tmp |= DC_HPDx_INT_ACK;
+		WREG32(DC_HPD5_INT_CONTROL, tmp);
+	}
+	if (*disp_int_cont5 & DC_HPD6_INTERRUPT) {
+		tmp = RREG32(DC_HPD5_INT_CONTROL);
+		tmp |= DC_HPDx_INT_ACK;
+		WREG32(DC_HPD6_INT_CONTROL, tmp);
+	}
+}
+
+void evergreen_irq_disable(struct radeon_device *rdev)
+{
+	u32 disp_int, disp_int_cont, disp_int_cont2;
+	u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
+
+	r600_disable_interrupts(rdev);
+	/* Wait and acknowledge irq */
+	mdelay(1);
+	evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
+			  &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
+	evergreen_disable_interrupt_state(rdev);
+}
+
+static void evergreen_irq_suspend(struct radeon_device *rdev)
+{
+	evergreen_irq_disable(rdev);
+	r600_rlc_stop(rdev);
+}
+
+static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
+{
+	u32 wptr, tmp;
+
+	/* XXX use writeback */
+	wptr = RREG32(IH_RB_WPTR);
+
+	if (wptr & RB_OVERFLOW) {
+		/* When a ring buffer overflow happen start parsing interrupt
+		 * from the last not overwritten vector (wptr + 16). Hopefully
+		 * this should allow us to catchup.
+		 */
+		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
+			wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
+		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
+		tmp = RREG32(IH_RB_CNTL);
+		tmp |= IH_WPTR_OVERFLOW_CLEAR;
+		WREG32(IH_RB_CNTL, tmp);
+	}
+	return (wptr & rdev->ih.ptr_mask);
+}
+
+int evergreen_irq_process(struct radeon_device *rdev)
+{
+	u32 wptr = evergreen_get_ih_wptr(rdev);
+	u32 rptr = rdev->ih.rptr;
+	u32 src_id, src_data;
+	u32 ring_index;
+	u32 disp_int, disp_int_cont, disp_int_cont2;
+	u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
+	unsigned long flags;
+	bool queue_hotplug = false;
+
+	DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
+	if (!rdev->ih.enabled)
+		return IRQ_NONE;
+
+	spin_lock_irqsave(&rdev->ih.lock, flags);
+
+	if (rptr == wptr) {
+		spin_unlock_irqrestore(&rdev->ih.lock, flags);
+		return IRQ_NONE;
+	}
+	if (rdev->shutdown) {
+		spin_unlock_irqrestore(&rdev->ih.lock, flags);
+		return IRQ_NONE;
+	}
+
+restart_ih:
+	/* display interrupts */
+	evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
+			  &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
+
+	rdev->ih.wptr = wptr;
+	while (rptr != wptr) {
+		/* wptr/rptr are in bytes! */
+		ring_index = rptr / 4;
+		src_id =  rdev->ih.ring[ring_index] & 0xff;
+		src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
+
+		switch (src_id) {
+		case 1: /* D1 vblank/vline */
+			switch (src_data) {
+			case 0: /* D1 vblank */
+				if (disp_int & LB_D1_VBLANK_INTERRUPT) {
+					drm_handle_vblank(rdev->ddev, 0);
+					wake_up(&rdev->irq.vblank_queue);
+					disp_int &= ~LB_D1_VBLANK_INTERRUPT;
+					DRM_DEBUG("IH: D1 vblank\n");
+				}
+				break;
+			case 1: /* D1 vline */
+				if (disp_int & LB_D1_VLINE_INTERRUPT) {
+					disp_int &= ~LB_D1_VLINE_INTERRUPT;
+					DRM_DEBUG("IH: D1 vline\n");
+				}
+				break;
+			default:
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+				break;
+			}
+			break;
+		case 2: /* D2 vblank/vline */
+			switch (src_data) {
+			case 0: /* D2 vblank */
+				if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
+					drm_handle_vblank(rdev->ddev, 1);
+					wake_up(&rdev->irq.vblank_queue);
+					disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
+					DRM_DEBUG("IH: D2 vblank\n");
+				}
+				break;
+			case 1: /* D2 vline */
+				if (disp_int_cont & LB_D2_VLINE_INTERRUPT) {
+					disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
+					DRM_DEBUG("IH: D2 vline\n");
+				}
+				break;
+			default:
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+				break;
+			}
+			break;
+		case 3: /* D3 vblank/vline */
+			switch (src_data) {
+			case 0: /* D3 vblank */
+				if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
+					drm_handle_vblank(rdev->ddev, 2);
+					wake_up(&rdev->irq.vblank_queue);
+					disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
+					DRM_DEBUG("IH: D3 vblank\n");
+				}
+				break;
+			case 1: /* D3 vline */
+				if (disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
+					disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
+					DRM_DEBUG("IH: D3 vline\n");
+				}
+				break;
+			default:
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+				break;
+			}
+			break;
+		case 4: /* D4 vblank/vline */
+			switch (src_data) {
+			case 0: /* D4 vblank */
+				if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
+					drm_handle_vblank(rdev->ddev, 3);
+					wake_up(&rdev->irq.vblank_queue);
+					disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
+					DRM_DEBUG("IH: D4 vblank\n");
+				}
+				break;
+			case 1: /* D4 vline */
+				if (disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
+					disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
+					DRM_DEBUG("IH: D4 vline\n");
+				}
+				break;
+			default:
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+				break;
+			}
+			break;
+		case 5: /* D5 vblank/vline */
+			switch (src_data) {
+			case 0: /* D5 vblank */
+				if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
+					drm_handle_vblank(rdev->ddev, 4);
+					wake_up(&rdev->irq.vblank_queue);
+					disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
+					DRM_DEBUG("IH: D5 vblank\n");
+				}
+				break;
+			case 1: /* D5 vline */
+				if (disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
+					disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
+					DRM_DEBUG("IH: D5 vline\n");
+				}
+				break;
+			default:
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+				break;
+			}
+			break;
+		case 6: /* D6 vblank/vline */
+			switch (src_data) {
+			case 0: /* D6 vblank */
+				if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
+					drm_handle_vblank(rdev->ddev, 5);
+					wake_up(&rdev->irq.vblank_queue);
+					disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
+					DRM_DEBUG("IH: D6 vblank\n");
+				}
+				break;
+			case 1: /* D6 vline */
+				if (disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
+					disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
+					DRM_DEBUG("IH: D6 vline\n");
+				}
+				break;
+			default:
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+				break;
+			}
+			break;
+		case 42: /* HPD hotplug */
+			switch (src_data) {
+			case 0:
+				if (disp_int & DC_HPD1_INTERRUPT) {
+					disp_int &= ~DC_HPD1_INTERRUPT;
+					queue_hotplug = true;
+					DRM_DEBUG("IH: HPD1\n");
+				}
+				break;
+			case 1:
+				if (disp_int_cont & DC_HPD2_INTERRUPT) {
+					disp_int_cont &= ~DC_HPD2_INTERRUPT;
+					queue_hotplug = true;
+					DRM_DEBUG("IH: HPD2\n");
+				}
+				break;
+			case 2:
+				if (disp_int_cont2 & DC_HPD3_INTERRUPT) {
+					disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
+					queue_hotplug = true;
+					DRM_DEBUG("IH: HPD3\n");
+				}
+				break;
+			case 3:
+				if (disp_int_cont3 & DC_HPD4_INTERRUPT) {
+					disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
+					queue_hotplug = true;
+					DRM_DEBUG("IH: HPD4\n");
+				}
+				break;
+			case 4:
+				if (disp_int_cont4 & DC_HPD5_INTERRUPT) {
+					disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
+					queue_hotplug = true;
+					DRM_DEBUG("IH: HPD5\n");
+				}
+				break;
+			case 5:
+				if (disp_int_cont5 & DC_HPD6_INTERRUPT) {
+					disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
+					queue_hotplug = true;
+					DRM_DEBUG("IH: HPD6\n");
+				}
+				break;
+			default:
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+				break;
+			}
+			break;
+		case 176: /* CP_INT in ring buffer */
+		case 177: /* CP_INT in IB1 */
+		case 178: /* CP_INT in IB2 */
+			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
+			radeon_fence_process(rdev);
+			break;
+		case 181: /* CP EOP event */
+			DRM_DEBUG("IH: CP EOP\n");
+			break;
+		default:
+			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+			break;
+		}
+
+		/* wptr/rptr are in bytes! */
+		rptr += 16;
+		rptr &= rdev->ih.ptr_mask;
+	}
+	/* make sure wptr hasn't changed while processing */
+	wptr = evergreen_get_ih_wptr(rdev);
+	if (wptr != rdev->ih.wptr)
+		goto restart_ih;
+	if (queue_hotplug)
+		queue_work(rdev->wq, &rdev->hotplug_work);
+	rdev->ih.rptr = rptr;
+	WREG32(IH_RB_RPTR, rdev->ih.rptr);
+	spin_unlock_irqrestore(&rdev->ih.lock, flags);
+	return IRQ_HANDLED;
+}
+
 static int evergreen_startup(struct radeon_device *rdev)
 {
 	int r;
 
-	/* XXX until interrupts are supported */
-	if (!rdev->me_fw || !rdev->pfp_fw /*|| !rdev->rlc_fw*/) {
+	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
 		r = r600_init_microcode(rdev);
 		if (r) {
 			DRM_ERROR("Failed to load firmware!\n");
@@ -1246,6 +1766,7 @@ static int evergreen_startup(struct radeon_device *rdev)
 		DRM_ERROR("failed to pin blit object %d\n", r);
 		return r;
 	}
+#endif
 
 	/* Enable IRQ */
 	r = r600_irq_init(rdev);
@@ -1254,8 +1775,7 @@ static int evergreen_startup(struct radeon_device *rdev)
 		radeon_irq_kms_fini(rdev);
 		return r;
 	}
-	r600_irq_set(rdev);
-#endif
+	evergreen_irq_set(rdev);
 
 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
 	if (r)
@@ -1312,8 +1832,8 @@ int evergreen_suspend(struct radeon_device *rdev)
 	/* FIXME: we should wait for ring to be empty */
 	r700_cp_stop(rdev);
 	rdev->cp.ready = false;
+	evergreen_irq_suspend(rdev);
 	r600_wb_disable(rdev);
-
 	evergreen_pcie_gart_disable(rdev);
 #if 0
 	/* unpin shaders bo */
@@ -1415,17 +1935,17 @@ int evergreen_init(struct radeon_device *rdev)
 	r = radeon_bo_init(rdev);
 	if (r)
 		return r;
-#if 0
+
 	r = radeon_irq_kms_init(rdev);
 	if (r)
 		return r;
-#endif
+
 	rdev->cp.ring_obj = NULL;
 	r600_ring_init(rdev, 1024 * 1024);
-#if 0
+
 	rdev->ih.ring_obj = NULL;
 	r600_ih_ring_init(rdev, 64 * 1024);
-#endif
+
 	r = r600_pcie_gart_init(rdev);
 	if (r)
 		return r;
@@ -1436,10 +1956,8 @@ int evergreen_init(struct radeon_device *rdev)
 		dev_err(rdev->dev, "disabling GPU acceleration\n");
 		r700_cp_fini(rdev);
 		r600_wb_fini(rdev);
-#if 0
 		r600_irq_fini(rdev);
 		radeon_irq_kms_fini(rdev);
-#endif
 		evergreen_pcie_gart_fini(rdev);
 		rdev->accel_working = false;
 	}
@@ -1461,14 +1979,11 @@ int evergreen_init(struct radeon_device *rdev)
 void evergreen_fini(struct radeon_device *rdev)
 {
 	radeon_pm_fini(rdev);
-	evergreen_suspend(rdev);
-#if 0
-	r600_blit_fini(rdev);
+	/*r600_blit_fini(rdev);*/
+	r700_cp_fini(rdev);
+	r600_wb_fini(rdev);
 	r600_irq_fini(rdev);
 	radeon_irq_kms_fini(rdev);
-	radeon_ring_fini(rdev);
-	r600_wb_fini(rdev);
-#endif
 	evergreen_pcie_gart_fini(rdev);
 	radeon_gem_fini(rdev);
 	radeon_fence_driver_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index 10e9768534d..93e9e17ad54 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -405,4 +405,152 @@
 #define		SOFT_RESET_REGBB		       	(1 << 22)
 #define		SOFT_RESET_ORB				(1 << 23)
 
+#define IH_RB_CNTL                                        0x3e00
+#       define IH_RB_ENABLE                               (1 << 0)
+#       define IH_IB_SIZE(x)                              ((x) << 1) /* log2 */
+#       define IH_RB_FULL_DRAIN_ENABLE                    (1 << 6)
+#       define IH_WPTR_WRITEBACK_ENABLE                   (1 << 8)
+#       define IH_WPTR_WRITEBACK_TIMER(x)                 ((x) << 9) /* log2 */
+#       define IH_WPTR_OVERFLOW_ENABLE                    (1 << 16)
+#       define IH_WPTR_OVERFLOW_CLEAR                     (1 << 31)
+#define IH_RB_BASE                                        0x3e04
+#define IH_RB_RPTR                                        0x3e08
+#define IH_RB_WPTR                                        0x3e0c
+#       define RB_OVERFLOW                                (1 << 0)
+#       define WPTR_OFFSET_MASK                           0x3fffc
+#define IH_RB_WPTR_ADDR_HI                                0x3e10
+#define IH_RB_WPTR_ADDR_LO                                0x3e14
+#define IH_CNTL                                           0x3e18
+#       define ENABLE_INTR                                (1 << 0)
+#       define IH_MC_SWAP(x)                              ((x) << 2)
+#       define IH_MC_SWAP_NONE                            0
+#       define IH_MC_SWAP_16BIT                           1
+#       define IH_MC_SWAP_32BIT                           2
+#       define IH_MC_SWAP_64BIT                           3
+#       define RPTR_REARM                                 (1 << 4)
+#       define MC_WRREQ_CREDIT(x)                         ((x) << 15)
+#       define MC_WR_CLEAN_CNT(x)                         ((x) << 20)
+
+#define CP_INT_CNTL                                     0xc124
+#       define CNTX_BUSY_INT_ENABLE                     (1 << 19)
+#       define CNTX_EMPTY_INT_ENABLE                    (1 << 20)
+#       define SCRATCH_INT_ENABLE                       (1 << 25)
+#       define TIME_STAMP_INT_ENABLE                    (1 << 26)
+#       define IB2_INT_ENABLE                           (1 << 29)
+#       define IB1_INT_ENABLE                           (1 << 30)
+#       define RB_INT_ENABLE                            (1 << 31)
+#define CP_INT_STATUS                                   0xc128
+#       define SCRATCH_INT_STAT                         (1 << 25)
+#       define TIME_STAMP_INT_STAT                      (1 << 26)
+#       define IB2_INT_STAT                             (1 << 29)
+#       define IB1_INT_STAT                             (1 << 30)
+#       define RB_INT_STAT                              (1 << 31)
+
+#define GRBM_INT_CNTL                                   0x8060
+#       define RDERR_INT_ENABLE                         (1 << 0)
+#       define GUI_IDLE_INT_ENABLE                      (1 << 19)
+
+/* 0x6e98, 0x7a98, 0x10698, 0x11298, 0x11e98, 0x12a98 */
+#define CRTC_STATUS_FRAME_COUNT                         0x6e98
+
+/* 0x6bb8, 0x77b8, 0x103b8, 0x10fb8, 0x11bb8, 0x127b8 */
+#define VLINE_STATUS                                    0x6bb8
+#       define VLINE_OCCURRED                           (1 << 0)
+#       define VLINE_ACK                                (1 << 4)
+#       define VLINE_STAT                               (1 << 12)
+#       define VLINE_INTERRUPT                          (1 << 16)
+#       define VLINE_INTERRUPT_TYPE                     (1 << 17)
+/* 0x6bbc, 0x77bc, 0x103bc, 0x10fbc, 0x11bbc, 0x127bc */
+#define VBLANK_STATUS                                   0x6bbc
+#       define VBLANK_OCCURRED                          (1 << 0)
+#       define VBLANK_ACK                               (1 << 4)
+#       define VBLANK_STAT                              (1 << 12)
+#       define VBLANK_INTERRUPT                         (1 << 16)
+#       define VBLANK_INTERRUPT_TYPE                    (1 << 17)
+
+/* 0x6b40, 0x7740, 0x10340, 0x10f40, 0x11b40, 0x12740 */
+#define INT_MASK                                        0x6b40
+#       define VBLANK_INT_MASK                          (1 << 0)
+#       define VLINE_INT_MASK                           (1 << 4)
+
+#define DISP_INTERRUPT_STATUS                           0x60f4
+#       define LB_D1_VLINE_INTERRUPT                    (1 << 2)
+#       define LB_D1_VBLANK_INTERRUPT                   (1 << 3)
+#       define DC_HPD1_INTERRUPT                        (1 << 17)
+#       define DC_HPD1_RX_INTERRUPT                     (1 << 18)
+#       define DACA_AUTODETECT_INTERRUPT                (1 << 22)
+#       define DACB_AUTODETECT_INTERRUPT                (1 << 23)
+#       define DC_I2C_SW_DONE_INTERRUPT                 (1 << 24)
+#       define DC_I2C_HW_DONE_INTERRUPT                 (1 << 25)
+#define DISP_INTERRUPT_STATUS_CONTINUE                  0x60f8
+#       define LB_D2_VLINE_INTERRUPT                    (1 << 2)
+#       define LB_D2_VBLANK_INTERRUPT                   (1 << 3)
+#       define DC_HPD2_INTERRUPT                        (1 << 17)
+#       define DC_HPD2_RX_INTERRUPT                     (1 << 18)
+#       define DISP_TIMER_INTERRUPT                     (1 << 24)
+#define DISP_INTERRUPT_STATUS_CONTINUE2                 0x60fc
+#       define LB_D3_VLINE_INTERRUPT                    (1 << 2)
+#       define LB_D3_VBLANK_INTERRUPT                   (1 << 3)
+#       define DC_HPD3_INTERRUPT                        (1 << 17)
+#       define DC_HPD3_RX_INTERRUPT                     (1 << 18)
+#define DISP_INTERRUPT_STATUS_CONTINUE3                 0x6100
+#       define LB_D4_VLINE_INTERRUPT                    (1 << 2)
+#       define LB_D4_VBLANK_INTERRUPT                   (1 << 3)
+#       define DC_HPD4_INTERRUPT                        (1 << 17)
+#       define DC_HPD4_RX_INTERRUPT                     (1 << 18)
+#define DISP_INTERRUPT_STATUS_CONTINUE4                 0x614c
+#       define LB_D5_VLINE_INTERRUPT                    (1 << 2)
+#       define LB_D5_VBLANK_INTERRUPT                   (1 << 3)
+#       define DC_HPD5_INTERRUPT                        (1 << 17)
+#       define DC_HPD5_RX_INTERRUPT                     (1 << 18)
+#define DISP_INTERRUPT_STATUS_CONTINUE5                 0x6050
+#       define LB_D6_VLINE_INTERRUPT                    (1 << 2)
+#       define LB_D6_VBLANK_INTERRUPT                   (1 << 3)
+#       define DC_HPD6_INTERRUPT                        (1 << 17)
+#       define DC_HPD6_RX_INTERRUPT                     (1 << 18)
+
+/* 0x6858, 0x7458, 0x10058, 0x10c58, 0x11858, 0x12458 */
+#define GRPH_INT_STATUS                                 0x6858
+#       define GRPH_PFLIP_INT_OCCURRED                  (1 << 0)
+#       define GRPH_PFLIP_INT_CLEAR                     (1 << 8)
+/* 0x685c, 0x745c, 0x1005c, 0x10c5c, 0x1185c, 0x1245c */
+#define	GRPH_INT_CONTROL			        0x685c
+#       define GRPH_PFLIP_INT_MASK                      (1 << 0)
+#       define GRPH_PFLIP_INT_TYPE                      (1 << 8)
+
+#define	DACA_AUTODETECT_INT_CONTROL			0x66c8
+#define	DACB_AUTODETECT_INT_CONTROL			0x67c8
+
+#define DC_HPD1_INT_STATUS                              0x601c
+#define DC_HPD2_INT_STATUS                              0x6028
+#define DC_HPD3_INT_STATUS                              0x6034
+#define DC_HPD4_INT_STATUS                              0x6040
+#define DC_HPD5_INT_STATUS                              0x604c
+#define DC_HPD6_INT_STATUS                              0x6058
+#       define DC_HPDx_INT_STATUS                       (1 << 0)
+#       define DC_HPDx_SENSE                            (1 << 1)
+#       define DC_HPDx_RX_INT_STATUS                    (1 << 8)
+
+#define DC_HPD1_INT_CONTROL                             0x6020
+#define DC_HPD2_INT_CONTROL                             0x602c
+#define DC_HPD3_INT_CONTROL                             0x6038
+#define DC_HPD4_INT_CONTROL                             0x6044
+#define DC_HPD5_INT_CONTROL                             0x6050
+#define DC_HPD6_INT_CONTROL                             0x605c
+#       define DC_HPDx_INT_ACK                          (1 << 0)
+#       define DC_HPDx_INT_POLARITY                     (1 << 8)
+#       define DC_HPDx_INT_EN                           (1 << 16)
+#       define DC_HPDx_RX_INT_ACK                       (1 << 20)
+#       define DC_HPDx_RX_INT_EN                        (1 << 24)
+
+#define DC_HPD1_CONTROL                                   0x6024
+#define DC_HPD2_CONTROL                                   0x6030
+#define DC_HPD3_CONTROL                                   0x603c
+#define DC_HPD4_CONTROL                                   0x6048
+#define DC_HPD5_CONTROL                                   0x6054
+#define DC_HPD6_CONTROL                                   0x6060
+#       define DC_HPDx_CONNECTION_TIMER(x)                ((x) << 0)
+#       define DC_HPDx_RX_INT_TIMER(x)                    ((x) << 16)
+#       define DC_HPDx_EN                                 (1 << 28)
+
 #endif
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 4b0225715b9..d178fa826ee 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -45,6 +45,7 @@
 #define R700_RLC_UCODE_SIZE 1024
 #define EVERGREEN_PFP_UCODE_SIZE 1120
 #define EVERGREEN_PM4_UCODE_SIZE 1376
+#define EVERGREEN_RLC_UCODE_SIZE 768
 
 /* Firmware Names */
 MODULE_FIRMWARE("radeon/R600_pfp.bin");
@@ -71,12 +72,16 @@ MODULE_FIRMWARE("radeon/R600_rlc.bin");
 MODULE_FIRMWARE("radeon/R700_rlc.bin");
 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
 MODULE_FIRMWARE("radeon/CEDAR_me.bin");
+MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
 MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
 MODULE_FIRMWARE("radeon/CYRPESS_pfp.bin");
 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
 
 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
 
@@ -84,6 +89,7 @@ int r600_debugfs_mc_info_init(struct radeon_device *rdev);
 int r600_mc_wait_for_idle(struct radeon_device *rdev);
 void r600_gpu_init(struct radeon_device *rdev);
 void r600_fini(struct radeon_device *rdev);
+void r600_irq_disable(struct radeon_device *rdev);
 
 /* hpd for digital panel detect/disconnect */
 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
@@ -1461,20 +1467,20 @@ int r600_init_microcode(struct radeon_device *rdev)
 		break;
 	case CHIP_CEDAR:
 		chip_name = "CEDAR";
-		rlc_chip_name = "";
+		rlc_chip_name = "CEDAR";
 		break;
 	case CHIP_REDWOOD:
 		chip_name = "REDWOOD";
-		rlc_chip_name = "";
+		rlc_chip_name = "REDWOOD";
 		break;
 	case CHIP_JUNIPER:
 		chip_name = "JUNIPER";
-		rlc_chip_name = "";
+		rlc_chip_name = "JUNIPER";
 		break;
 	case CHIP_CYPRESS:
 	case CHIP_HEMLOCK:
 		chip_name = "CYPRESS";
-		rlc_chip_name = "";
+		rlc_chip_name = "CYPRESS";
 		break;
 	default: BUG();
 	}
@@ -1482,7 +1488,7 @@ int r600_init_microcode(struct radeon_device *rdev)
 	if (rdev->family >= CHIP_CEDAR) {
 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
-		rlc_req_size = 0;
+		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 	} else if (rdev->family >= CHIP_RV770) {
 		pfp_req_size = R700_PFP_UCODE_SIZE * 4;
 		me_req_size = R700_PM4_UCODE_SIZE * 4;
@@ -1518,8 +1524,6 @@ int r600_init_microcode(struct radeon_device *rdev)
 		err = -EINVAL;
 	}
 
-	/* XXX until evergreen interrupts are supported */
-	if (rdev->family < CHIP_CEDAR) {
 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 	err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
 	if (err)
@@ -1530,7 +1534,6 @@ int r600_init_microcode(struct radeon_device *rdev)
 		       rdev->rlc_fw->size, fw_name);
 		err = -EINVAL;
 	}
-	}
 
 out:
 	platform_device_unregister(pdev);
@@ -2309,10 +2312,11 @@ static void r600_ih_ring_fini(struct radeon_device *rdev)
 	}
 }
 
-static void r600_rlc_stop(struct radeon_device *rdev)
+void r600_rlc_stop(struct radeon_device *rdev)
 {
 
-	if (rdev->family >= CHIP_RV770) {
+	if ((rdev->family >= CHIP_RV770) &&
+	    (rdev->family <= CHIP_RV740)) {
 		/* r7xx asics need to soft reset RLC before halting */
 		WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
 		RREG32(SRBM_SOFT_RESET);
@@ -2349,7 +2353,12 @@ static int r600_rlc_init(struct radeon_device *rdev)
 	WREG32(RLC_UCODE_CNTL, 0);
 
 	fw_data = (const __be32 *)rdev->rlc_fw->data;
-	if (rdev->family >= CHIP_RV770) {
+	if (rdev->family >= CHIP_CEDAR) {
+		for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
+			WREG32(RLC_UCODE_ADDR, i);
+			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
+		}
+	} else if (rdev->family >= CHIP_RV770) {
 		for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
 			WREG32(RLC_UCODE_ADDR, i);
 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
@@ -2379,7 +2388,7 @@ static void r600_enable_interrupts(struct radeon_device *rdev)
 	rdev->ih.enabled = true;
 }
 
-static void r600_disable_interrupts(struct radeon_device *rdev)
+void r600_disable_interrupts(struct radeon_device *rdev)
 {
 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
 	u32 ih_cntl = RREG32(IH_CNTL);
@@ -2494,7 +2503,10 @@ int r600_irq_init(struct radeon_device *rdev)
 	WREG32(IH_CNTL, ih_cntl);
 
 	/* force the active interrupt state to all disabled */
-	r600_disable_interrupt_state(rdev);
+	if (rdev->family >= CHIP_CEDAR)
+		evergreen_disable_interrupt_state(rdev);
+	else
+		r600_disable_interrupt_state(rdev);
 
 	/* enable irqs */
 	r600_enable_interrupts(rdev);
@@ -2504,7 +2516,7 @@ int r600_irq_init(struct radeon_device *rdev)
 
 void r600_irq_suspend(struct radeon_device *rdev)
 {
-	r600_disable_interrupts(rdev);
+	r600_irq_disable(rdev);
 	r600_rlc_stop(rdev);
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index acf21d7e3cb..e0132ef093b 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -372,7 +372,7 @@ struct radeon_irq {
 	bool		installed;
 	bool		sw_int;
 	/* FIXME: use a define max crtc rather than hardcode it */
-	bool		crtc_vblank_int[2];
+	bool		crtc_vblank_int[6];
 	wait_queue_head_t	vblank_queue;
 	/* FIXME: use defines for max hpd/dacs */
 	bool            hpd[6];
@@ -1324,6 +1324,8 @@ extern void r600_irq_fini(struct radeon_device *rdev);
 extern void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size);
 extern int r600_irq_set(struct radeon_device *rdev);
 extern void r600_irq_suspend(struct radeon_device *rdev);
+extern void r600_disable_interrupts(struct radeon_device *rdev);
+extern void r600_rlc_stop(struct radeon_device *rdev);
 /* r600 audio */
 extern int r600_audio_init(struct radeon_device *rdev);
 extern int r600_audio_tmds_index(struct drm_encoder *encoder);
@@ -1343,6 +1345,7 @@ extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
 
 extern void r700_cp_stop(struct radeon_device *rdev);
 extern void r700_cp_fini(struct radeon_device *rdev);
+void evergreen_disable_interrupt_state(struct radeon_device *rdev);
 
 /* evergreen */
 struct evergreen_mc_save {
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 3a576ab805c..f835333c1b6 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -643,9 +643,9 @@ static struct radeon_asic evergreen_asic = {
 	.gart_set_page = &rs600_gart_set_page,
 	.ring_test = &r600_ring_test,
 	.ring_ib_execute = &r600_ring_ib_execute,
-	.irq_set = NULL,
-	.irq_process = NULL,
-	.get_vblank_counter = NULL,
+	.irq_set = &evergreen_irq_set,
+	.irq_process = &evergreen_irq_process,
+	.get_vblank_counter = &evergreen_get_vblank_counter,
 	.fence_ring_emit = NULL,
 	.cs_parse = NULL,
 	.copy_blit = NULL,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 1d451ff0367..ef2c7ba1bdc 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -294,4 +294,8 @@ void evergreen_hpd_fini(struct radeon_device *rdev);
 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
 				enum radeon_hpd_id hpd);
+u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc);
+int evergreen_irq_set(struct radeon_device *rdev);
+int evergreen_irq_process(struct radeon_device *rdev);
+
 #endif

From 0ca2ab52d451c25764e53d3d289e1be357c977d7 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 26 Feb 2010 13:57:45 -0500
Subject: [PATCH 0246/3638] drm/radeon/kms/evergreen: add hpd support

Hot plug detect (hpd) for digital monitors

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c | 168 +++++++++++++++++++++++++++--
 drivers/gpu/drm/radeon/radeon.h    |   3 +-
 2 files changed, 162 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 5c34349058c..fcf65d9d619 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -41,28 +41,180 @@ void evergreen_fini(struct radeon_device *rdev);
 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 {
 	bool connected = false;
-	/* XXX */
+
+	switch (hpd) {
+	case RADEON_HPD_1:
+		if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
+			connected = true;
+		break;
+	case RADEON_HPD_2:
+		if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
+			connected = true;
+		break;
+	case RADEON_HPD_3:
+		if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
+			connected = true;
+		break;
+	case RADEON_HPD_4:
+		if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
+			connected = true;
+		break;
+	case RADEON_HPD_5:
+		if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
+			connected = true;
+		break;
+	case RADEON_HPD_6:
+		if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
+			connected = true;
+			break;
+	default:
+		break;
+	}
+
 	return connected;
 }
 
 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
 				enum radeon_hpd_id hpd)
 {
-	/* XXX */
+	u32 tmp;
+	bool connected = evergreen_hpd_sense(rdev, hpd);
+
+	switch (hpd) {
+	case RADEON_HPD_1:
+		tmp = RREG32(DC_HPD1_INT_CONTROL);
+		if (connected)
+			tmp &= ~DC_HPDx_INT_POLARITY;
+		else
+			tmp |= DC_HPDx_INT_POLARITY;
+		WREG32(DC_HPD1_INT_CONTROL, tmp);
+		break;
+	case RADEON_HPD_2:
+		tmp = RREG32(DC_HPD2_INT_CONTROL);
+		if (connected)
+			tmp &= ~DC_HPDx_INT_POLARITY;
+		else
+			tmp |= DC_HPDx_INT_POLARITY;
+		WREG32(DC_HPD2_INT_CONTROL, tmp);
+		break;
+	case RADEON_HPD_3:
+		tmp = RREG32(DC_HPD3_INT_CONTROL);
+		if (connected)
+			tmp &= ~DC_HPDx_INT_POLARITY;
+		else
+			tmp |= DC_HPDx_INT_POLARITY;
+		WREG32(DC_HPD3_INT_CONTROL, tmp);
+		break;
+	case RADEON_HPD_4:
+		tmp = RREG32(DC_HPD4_INT_CONTROL);
+		if (connected)
+			tmp &= ~DC_HPDx_INT_POLARITY;
+		else
+			tmp |= DC_HPDx_INT_POLARITY;
+		WREG32(DC_HPD4_INT_CONTROL, tmp);
+		break;
+	case RADEON_HPD_5:
+		tmp = RREG32(DC_HPD5_INT_CONTROL);
+		if (connected)
+			tmp &= ~DC_HPDx_INT_POLARITY;
+		else
+			tmp |= DC_HPDx_INT_POLARITY;
+		WREG32(DC_HPD5_INT_CONTROL, tmp);
+			break;
+	case RADEON_HPD_6:
+		tmp = RREG32(DC_HPD6_INT_CONTROL);
+		if (connected)
+			tmp &= ~DC_HPDx_INT_POLARITY;
+		else
+			tmp |= DC_HPDx_INT_POLARITY;
+		WREG32(DC_HPD6_INT_CONTROL, tmp);
+		break;
+	default:
+		break;
+	}
 }
 
 void evergreen_hpd_init(struct radeon_device *rdev)
 {
-	/* XXX */
-}
+	struct drm_device *dev = rdev->ddev;
+	struct drm_connector *connector;
+	u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
+		DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
 
-
-void evergreen_bandwidth_update(struct radeon_device *rdev)
-{
-	/* XXX */
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+		switch (radeon_connector->hpd.hpd) {
+		case RADEON_HPD_1:
+			WREG32(DC_HPD1_CONTROL, tmp);
+			rdev->irq.hpd[0] = true;
+			break;
+		case RADEON_HPD_2:
+			WREG32(DC_HPD2_CONTROL, tmp);
+			rdev->irq.hpd[1] = true;
+			break;
+		case RADEON_HPD_3:
+			WREG32(DC_HPD3_CONTROL, tmp);
+			rdev->irq.hpd[2] = true;
+			break;
+		case RADEON_HPD_4:
+			WREG32(DC_HPD4_CONTROL, tmp);
+			rdev->irq.hpd[3] = true;
+			break;
+		case RADEON_HPD_5:
+			WREG32(DC_HPD5_CONTROL, tmp);
+			rdev->irq.hpd[4] = true;
+			break;
+		case RADEON_HPD_6:
+			WREG32(DC_HPD6_CONTROL, tmp);
+			rdev->irq.hpd[5] = true;
+			break;
+		default:
+			break;
+		}
+	}
+	if (rdev->irq.installed)
+		evergreen_irq_set(rdev);
 }
 
 void evergreen_hpd_fini(struct radeon_device *rdev)
+{
+	struct drm_device *dev = rdev->ddev;
+	struct drm_connector *connector;
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+		switch (radeon_connector->hpd.hpd) {
+		case RADEON_HPD_1:
+			WREG32(DC_HPD1_CONTROL, 0);
+			rdev->irq.hpd[0] = false;
+			break;
+		case RADEON_HPD_2:
+			WREG32(DC_HPD2_CONTROL, 0);
+			rdev->irq.hpd[1] = false;
+			break;
+		case RADEON_HPD_3:
+			WREG32(DC_HPD3_CONTROL, 0);
+			rdev->irq.hpd[2] = false;
+			break;
+		case RADEON_HPD_4:
+			WREG32(DC_HPD4_CONTROL, 0);
+			rdev->irq.hpd[3] = false;
+			break;
+		case RADEON_HPD_5:
+			WREG32(DC_HPD5_CONTROL, 0);
+			rdev->irq.hpd[4] = false;
+			break;
+		case RADEON_HPD_6:
+			WREG32(DC_HPD6_CONTROL, 0);
+			rdev->irq.hpd[5] = false;
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+void evergreen_bandwidth_update(struct radeon_device *rdev)
 {
 	/* XXX */
 }
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index e0132ef093b..815df347c08 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1345,7 +1345,8 @@ extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
 
 extern void r700_cp_stop(struct radeon_device *rdev);
 extern void r700_cp_fini(struct radeon_device *rdev);
-void evergreen_disable_interrupt_state(struct radeon_device *rdev);
+extern void evergreen_disable_interrupt_state(struct radeon_device *rdev);
+extern int evergreen_irq_set(struct radeon_device *rdev);
 
 /* evergreen */
 struct evergreen_mc_save {

From a7433742d62c6e0e1173bd144a4aef7724b48d60 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 9 Apr 2010 15:31:09 +1000
Subject: [PATCH 0247/3638] drm/radeon: fix cypress firmware typo.

Pointed out by Dave Witbrodt.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r600.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index d178fa826ee..25aa2f80893 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -79,7 +79,7 @@ MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
-MODULE_FIRMWARE("radeon/CYRPESS_pfp.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
 

From 84c124da9ff50bd71fab9c939ee5b7cd8bef2bd9 Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Fri, 9 Apr 2010 08:31:19 +0200
Subject: [PATCH 0248/3638] blkio: Changes to IO controller additional stats
 patches

that include some minor fixes and addresses all comments.

Changelog: (most based on Vivek Goyal's comments)
o renamed blkiocg_reset_write to blkiocg_reset_stats
o more clarification in the documentation on io_service_time and io_wait_time
o Initialize blkg->stats_lock
o rename io_add_stat to blkio_add_stat and declare it static
o use bool for direction and sync
o derive direction and sync info from existing rq methods
o use 12 for major:minor string length
o define io_service_time better to cover the NCQ case
o add a separate reset_stats interface
o make the indexed stats a 2d array to simplify macro and function pointer code
o blkio.time now exports in jiffies as before
o Added stats description in patch description and
  Documentation/cgroup/blkio-controller.txt
o Prefix all stats functions with blkio and make them static as applicable
o replace IO_TYPE_MAX with IO_TYPE_TOTAL
o Moved #define constant to top of blk-cgroup.c
o Pass dev_t around instead of char *
o Add note to documentation file about resetting stats
o use BLK_CGROUP_MODULE in addition to BLK_CGROUP config option in #ifdef
  statements
o Avoid struct request specific knowledge in blk-cgroup. blk-cgroup.h now has
  rq_direction() and rq_sync() functions which are used by CFQ and when using
  io-controller at a higher level, bio_* functions can be added.

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 Documentation/cgroups/blkio-controller.txt |  48 +++++-
 block/blk-cgroup.c                         | 190 ++++++++++-----------
 block/blk-cgroup.h                         |  64 ++++---
 block/cfq-iosched.c                        |   8 +-
 include/linux/blkdev.h                     |  18 ++
 5 files changed, 198 insertions(+), 130 deletions(-)

diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroups/blkio-controller.txt
index 630879cd9a4..ed04fe9cce1 100644
--- a/Documentation/cgroups/blkio-controller.txt
+++ b/Documentation/cgroups/blkio-controller.txt
@@ -77,7 +77,6 @@ Details of cgroup files
 =======================
 - blkio.weight
 	- Specifies per cgroup weight.
-
 	  Currently allowed range of weights is from 100 to 1000.
 
 - blkio.time
@@ -92,6 +91,49 @@ Details of cgroup files
 	  third field specifies the number of sectors transferred by the
 	  group to/from the device.
 
+- blkio.io_service_bytes
+	- Number of bytes transferred to/from the disk by the group. These
+	  are further divided by the type of operation - read or write, sync
+	  or async. First two fields specify the major and minor number of the
+	  device, third field specifies the operation type and the fourth field
+	  specifies the number of bytes.
+
+- blkio.io_serviced
+	- Number of IOs completed to/from the disk by the group. These
+	  are further divided by the type of operation - read or write, sync
+	  or async. First two fields specify the major and minor number of the
+	  device, third field specifies the operation type and the fourth field
+	  specifies the number of IOs.
+
+- blkio.io_service_time
+	- Total amount of time between request dispatch and request completion
+	  for the IOs done by this cgroup. This is in nanoseconds to make it
+	  meaningful for flash devices too. For devices with queue depth of 1,
+	  this time represents the actual service time. When queue_depth > 1,
+	  that is no longer true as requests may be served out of order. This
+	  may cause the service time for a given IO to include the service time
+	  of multiple IOs when served out of order which may result in total
+	  io_service_time > actual time elapsed. This time is further divided by
+	  the type of operation - read or write, sync or async. First two fields
+	  specify the major and minor number of the device, third field
+	  specifies the operation type and the fourth field specifies the
+	  io_service_time in ns.
+
+- blkio.io_wait_time
+	- Total amount of time the IOs for this cgroup spent waiting in the
+	  scheduler queues for service. This can be greater than the total time
+	  elapsed since it is cumulative io_wait_time for all IOs. It is not a
+	  measure of total time the cgroup spent waiting but rather a measure of
+	  the wait_time for its individual IOs. For devices with queue_depth > 1
+	  this metric does not include the time spent waiting for service once
+	  the IO is dispatched to the device but till it actually gets serviced
+	  (there might be a time lag here due to re-ordering of requests by the
+	  device). This is in nanoseconds to make it meaningful for flash
+	  devices too. This time is further divided by the type of operation -
+	  read or write, sync or async. First two fields specify the major and
+	  minor number of the device, third field specifies the operation type
+	  and the fourth field specifies the io_wait_time in ns.
+
 - blkio.dequeue
 	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y. This
 	  gives the statistics about how many a times a group was dequeued
@@ -99,6 +141,10 @@ Details of cgroup files
 	  and minor number of the device and third field specifies the number
 	  of times a group was dequeued from a particular device.
 
+- blkio.reset_stats
+	- Writing an int to this file will result in resetting all the stats
+	  for that cgroup.
+
 CFQ sysfs tunable
 =================
 /sys/block/<disk>/queue/iosched/group_isolation
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 9af7257f429..6797df50882 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -18,6 +18,8 @@
 #include <linux/blkdev.h>
 #include "blk-cgroup.h"
 
+#define MAX_KEY_LEN 100
+
 static DEFINE_SPINLOCK(blkio_list_lock);
 static LIST_HEAD(blkio_list);
 
@@ -56,24 +58,27 @@ struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup)
 }
 EXPORT_SYMBOL_GPL(cgroup_to_blkio_cgroup);
 
+void blkio_group_init(struct blkio_group *blkg)
+{
+	spin_lock_init(&blkg->stats_lock);
+}
+EXPORT_SYMBOL_GPL(blkio_group_init);
+
 /*
  * Add to the appropriate stat variable depending on the request type.
  * This should be called with the blkg->stats_lock held.
  */
-void io_add_stat(uint64_t *stat, uint64_t add, unsigned int flags)
+static void blkio_add_stat(uint64_t *stat, uint64_t add, bool direction,
+				bool sync)
 {
-	if (flags & REQ_RW)
-		stat[IO_WRITE] += add;
+	if (direction)
+		stat[BLKIO_STAT_WRITE] += add;
 	else
-		stat[IO_READ] += add;
-	/*
-	 * Everywhere in the block layer, an IO is treated as sync if it is a
-	 * read or a SYNC write. We follow the same norm.
-	 */
-	if (!(flags & REQ_RW) || flags & REQ_RW_SYNC)
-		stat[IO_SYNC] += add;
+		stat[BLKIO_STAT_READ] += add;
+	if (sync)
+		stat[BLKIO_STAT_SYNC] += add;
 	else
-		stat[IO_ASYNC] += add;
+		stat[BLKIO_STAT_ASYNC] += add;
 }
 
 void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
@@ -86,23 +91,25 @@ void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_timeslice_used);
 
-void blkiocg_update_request_dispatch_stats(struct blkio_group *blkg,
-						struct request *rq)
+void blkiocg_update_dispatch_stats(struct blkio_group *blkg,
+				uint64_t bytes, bool direction, bool sync)
 {
 	struct blkio_group_stats *stats;
 	unsigned long flags;
 
 	spin_lock_irqsave(&blkg->stats_lock, flags);
 	stats = &blkg->stats;
-	stats->sectors += blk_rq_sectors(rq);
-	io_add_stat(stats->io_serviced, 1, rq->cmd_flags);
-	io_add_stat(stats->io_service_bytes, blk_rq_sectors(rq) << 9,
-			rq->cmd_flags);
+	stats->sectors += bytes >> 9;
+	blkio_add_stat(stats->stat_arr[BLKIO_STAT_SERVICED], 1, direction,
+			sync);
+	blkio_add_stat(stats->stat_arr[BLKIO_STAT_SERVICE_BYTES], bytes,
+			direction, sync);
 	spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
+EXPORT_SYMBOL_GPL(blkiocg_update_dispatch_stats);
 
-void blkiocg_update_request_completion_stats(struct blkio_group *blkg,
-						struct request *rq)
+void blkiocg_update_completion_stats(struct blkio_group *blkg,
+	uint64_t start_time, uint64_t io_start_time, bool direction, bool sync)
 {
 	struct blkio_group_stats *stats;
 	unsigned long flags;
@@ -110,16 +117,15 @@ void blkiocg_update_request_completion_stats(struct blkio_group *blkg,
 
 	spin_lock_irqsave(&blkg->stats_lock, flags);
 	stats = &blkg->stats;
-	if (time_after64(now, rq->io_start_time_ns))
-		io_add_stat(stats->io_service_time, now - rq->io_start_time_ns,
-				rq->cmd_flags);
-	if (time_after64(rq->io_start_time_ns, rq->start_time_ns))
-		io_add_stat(stats->io_wait_time,
-				rq->io_start_time_ns - rq->start_time_ns,
-				rq->cmd_flags);
+	if (time_after64(now, io_start_time))
+		blkio_add_stat(stats->stat_arr[BLKIO_STAT_SERVICE_TIME],
+				now - io_start_time, direction, sync);
+	if (time_after64(io_start_time, start_time))
+		blkio_add_stat(stats->stat_arr[BLKIO_STAT_WAIT_TIME],
+				io_start_time - start_time, direction, sync);
 	spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
-EXPORT_SYMBOL_GPL(blkiocg_update_request_completion_stats);
+EXPORT_SYMBOL_GPL(blkiocg_update_completion_stats);
 
 void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 			struct blkio_group *blkg, void *key, dev_t dev)
@@ -230,7 +236,7 @@ blkiocg_weight_write(struct cgroup *cgroup, struct cftype *cftype, u64 val)
 }
 
 static int
-blkiocg_reset_write(struct cgroup *cgroup, struct cftype *cftype, u64 val)
+blkiocg_reset_stats(struct cgroup *cgroup, struct cftype *cftype, u64 val)
 {
 	struct blkio_cgroup *blkcg;
 	struct blkio_group *blkg;
@@ -249,29 +255,32 @@ blkiocg_reset_write(struct cgroup *cgroup, struct cftype *cftype, u64 val)
 	return 0;
 }
 
-void get_key_name(int type, char *disk_id, char *str, int chars_left)
+static void blkio_get_key_name(enum stat_sub_type type, dev_t dev, char *str,
+				int chars_left, bool diskname_only)
 {
-	strlcpy(str, disk_id, chars_left);
+	snprintf(str, chars_left, "%d:%d", MAJOR(dev), MINOR(dev));
 	chars_left -= strlen(str);
 	if (chars_left <= 0) {
 		printk(KERN_WARNING
 			"Possibly incorrect cgroup stat display format");
 		return;
 	}
+	if (diskname_only)
+		return;
 	switch (type) {
-	case IO_READ:
+	case BLKIO_STAT_READ:
 		strlcat(str, " Read", chars_left);
 		break;
-	case IO_WRITE:
+	case BLKIO_STAT_WRITE:
 		strlcat(str, " Write", chars_left);
 		break;
-	case IO_SYNC:
+	case BLKIO_STAT_SYNC:
 		strlcat(str, " Sync", chars_left);
 		break;
-	case IO_ASYNC:
+	case BLKIO_STAT_ASYNC:
 		strlcat(str, " Async", chars_left);
 		break;
-	case IO_TYPE_MAX:
+	case BLKIO_STAT_TOTAL:
 		strlcat(str, " Total", chars_left);
 		break;
 	default:
@@ -279,63 +288,47 @@ void get_key_name(int type, char *disk_id, char *str, int chars_left)
 	}
 }
 
-typedef uint64_t (get_var) (struct blkio_group *, int);
+static uint64_t blkio_fill_stat(char *str, int chars_left, uint64_t val,
+				struct cgroup_map_cb *cb, dev_t dev)
+{
+	blkio_get_key_name(0, dev, str, chars_left, true);
+	cb->fill(cb, str, val);
+	return val;
+}
 
-#define MAX_KEY_LEN 100
-uint64_t get_typed_stat(struct blkio_group *blkg, struct cgroup_map_cb *cb,
-		get_var *getvar, char *disk_id)
+/* This should be called with blkg->stats_lock held */
+static uint64_t blkio_get_stat(struct blkio_group *blkg,
+		struct cgroup_map_cb *cb, dev_t dev, enum stat_type type)
 {
 	uint64_t disk_total;
 	char key_str[MAX_KEY_LEN];
-	int type;
+	enum stat_sub_type sub_type;
 
-	for (type = 0; type < IO_TYPE_MAX; type++) {
-		get_key_name(type, disk_id, key_str, MAX_KEY_LEN);
-		cb->fill(cb, key_str, getvar(blkg, type));
+	if (type == BLKIO_STAT_TIME)
+		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
+					blkg->stats.time, cb, dev);
+	if (type == BLKIO_STAT_SECTORS)
+		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
+					blkg->stats.sectors, cb, dev);
+#ifdef CONFIG_DEBUG_BLK_CGROUP
+	if (type == BLKIO_STAT_DEQUEUE)
+		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
+					blkg->stats.dequeue, cb, dev);
+#endif
+
+	for (sub_type = BLKIO_STAT_READ; sub_type < BLKIO_STAT_TOTAL;
+			sub_type++) {
+		blkio_get_key_name(sub_type, dev, key_str, MAX_KEY_LEN, false);
+		cb->fill(cb, key_str, blkg->stats.stat_arr[type][sub_type]);
 	}
-	disk_total = getvar(blkg, IO_READ) + getvar(blkg, IO_WRITE);
-	get_key_name(IO_TYPE_MAX, disk_id, key_str, MAX_KEY_LEN);
+	disk_total = blkg->stats.stat_arr[type][BLKIO_STAT_READ] +
+			blkg->stats.stat_arr[type][BLKIO_STAT_WRITE];
+	blkio_get_key_name(BLKIO_STAT_TOTAL, dev, key_str, MAX_KEY_LEN, false);
 	cb->fill(cb, key_str, disk_total);
 	return disk_total;
 }
 
-uint64_t get_stat(struct blkio_group *blkg, struct cgroup_map_cb *cb,
-		get_var *getvar, char *disk_id)
-{
-	uint64_t var = getvar(blkg, 0);
-	cb->fill(cb, disk_id, var);
-	return var;
-}
-
-#define GET_STAT_INDEXED(__VAR)						\
-uint64_t get_##__VAR##_stat(struct blkio_group *blkg, int type)		\
-{									\
-	return blkg->stats.__VAR[type];					\
-}									\
-
-GET_STAT_INDEXED(io_service_bytes);
-GET_STAT_INDEXED(io_serviced);
-GET_STAT_INDEXED(io_service_time);
-GET_STAT_INDEXED(io_wait_time);
-#undef GET_STAT_INDEXED
-
-#define GET_STAT(__VAR, __CONV)						\
-uint64_t get_##__VAR##_stat(struct blkio_group *blkg, int dummy)	\
-{									\
-	uint64_t data = blkg->stats.__VAR;				\
-	if (__CONV)							\
-		data = (uint64_t)jiffies_to_msecs(data) * NSEC_PER_MSEC;\
-	return data;							\
-}
-
-GET_STAT(time, 1);
-GET_STAT(sectors, 0);
-#ifdef CONFIG_DEBUG_BLK_CGROUP
-GET_STAT(dequeue, 0);
-#endif
-#undef GET_STAT
-
-#define SHOW_FUNCTION_PER_GROUP(__VAR, get_stats, getvar, show_total)	\
+#define SHOW_FUNCTION_PER_GROUP(__VAR, type, show_total)		\
 static int blkiocg_##__VAR##_read(struct cgroup *cgroup,		\
 		struct cftype *cftype, struct cgroup_map_cb *cb)	\
 {									\
@@ -343,7 +336,6 @@ static int blkiocg_##__VAR##_read(struct cgroup *cgroup,		\
 	struct blkio_group *blkg;					\
 	struct hlist_node *n;						\
 	uint64_t cgroup_total = 0;					\
-	char disk_id[10];						\
 									\
 	if (!cgroup_lock_live_group(cgroup))				\
 		return -ENODEV;						\
@@ -353,10 +345,8 @@ static int blkiocg_##__VAR##_read(struct cgroup *cgroup,		\
 	hlist_for_each_entry_rcu(blkg, n, &blkcg->blkg_list, blkcg_node) {\
 		if (blkg->dev) {					\
 			spin_lock_irq(&blkg->stats_lock);		\
-			snprintf(disk_id, 10, "%u:%u", MAJOR(blkg->dev),\
-					MINOR(blkg->dev));		\
-			cgroup_total += get_stats(blkg, cb, getvar,	\
-						disk_id);		\
+			cgroup_total += blkio_get_stat(blkg, cb,	\
+						blkg->dev, type);	\
 			spin_unlock_irq(&blkg->stats_lock);		\
 		}							\
 	}								\
@@ -367,16 +357,14 @@ static int blkiocg_##__VAR##_read(struct cgroup *cgroup,		\
 	return 0;							\
 }
 
-SHOW_FUNCTION_PER_GROUP(time, get_stat, get_time_stat, 0);
-SHOW_FUNCTION_PER_GROUP(sectors, get_stat, get_sectors_stat, 0);
-SHOW_FUNCTION_PER_GROUP(io_service_bytes, get_typed_stat,
-			get_io_service_bytes_stat, 1);
-SHOW_FUNCTION_PER_GROUP(io_serviced, get_typed_stat, get_io_serviced_stat, 1);
-SHOW_FUNCTION_PER_GROUP(io_service_time, get_typed_stat,
-			get_io_service_time_stat, 1);
-SHOW_FUNCTION_PER_GROUP(io_wait_time, get_typed_stat, get_io_wait_time_stat, 1);
+SHOW_FUNCTION_PER_GROUP(time, BLKIO_STAT_TIME, 0);
+SHOW_FUNCTION_PER_GROUP(sectors, BLKIO_STAT_SECTORS, 0);
+SHOW_FUNCTION_PER_GROUP(io_service_bytes, BLKIO_STAT_SERVICE_BYTES, 1);
+SHOW_FUNCTION_PER_GROUP(io_serviced, BLKIO_STAT_SERVICED, 1);
+SHOW_FUNCTION_PER_GROUP(io_service_time, BLKIO_STAT_SERVICE_TIME, 1);
+SHOW_FUNCTION_PER_GROUP(io_wait_time, BLKIO_STAT_WAIT_TIME, 1);
 #ifdef CONFIG_DEBUG_BLK_CGROUP
-SHOW_FUNCTION_PER_GROUP(dequeue, get_stat, get_dequeue_stat, 0);
+SHOW_FUNCTION_PER_GROUP(dequeue, BLKIO_STAT_DEQUEUE, 0);
 #endif
 #undef SHOW_FUNCTION_PER_GROUP
 
@@ -398,32 +386,30 @@ struct cftype blkio_files[] = {
 	{
 		.name = "time",
 		.read_map = blkiocg_time_read,
-		.write_u64 = blkiocg_reset_write,
 	},
 	{
 		.name = "sectors",
 		.read_map = blkiocg_sectors_read,
-		.write_u64 = blkiocg_reset_write,
 	},
 	{
 		.name = "io_service_bytes",
 		.read_map = blkiocg_io_service_bytes_read,
-		.write_u64 = blkiocg_reset_write,
 	},
 	{
 		.name = "io_serviced",
 		.read_map = blkiocg_io_serviced_read,
-		.write_u64 = blkiocg_reset_write,
 	},
 	{
 		.name = "io_service_time",
 		.read_map = blkiocg_io_service_time_read,
-		.write_u64 = blkiocg_reset_write,
 	},
 	{
 		.name = "io_wait_time",
 		.read_map = blkiocg_io_wait_time_read,
-		.write_u64 = blkiocg_reset_write,
+	},
+	{
+		.name = "reset_stats",
+		.write_u64 = blkiocg_reset_stats,
 	},
 #ifdef CONFIG_DEBUG_BLK_CGROUP
        {
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 80010ef64ab..b22e55390a4 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -23,12 +23,31 @@ extern struct cgroup_subsys blkio_subsys;
 #define blkio_subsys_id blkio_subsys.subsys_id
 #endif
 
-enum io_type {
-	IO_READ = 0,
-	IO_WRITE,
-	IO_SYNC,
-	IO_ASYNC,
-	IO_TYPE_MAX
+enum stat_type {
+	/* Total time spent (in ns) between request dispatch to the driver and
+	 * request completion for IOs doen by this cgroup. This may not be
+	 * accurate when NCQ is turned on. */
+	BLKIO_STAT_SERVICE_TIME = 0,
+	/* Total bytes transferred */
+	BLKIO_STAT_SERVICE_BYTES,
+	/* Total IOs serviced, post merge */
+	BLKIO_STAT_SERVICED,
+	/* Total time spent waiting in scheduler queue in ns */
+	BLKIO_STAT_WAIT_TIME,
+	/* All the single valued stats go below this */
+	BLKIO_STAT_TIME,
+	BLKIO_STAT_SECTORS,
+#ifdef CONFIG_DEBUG_BLK_CGROUP
+	BLKIO_STAT_DEQUEUE
+#endif
+};
+
+enum stat_sub_type {
+	BLKIO_STAT_READ = 0,
+	BLKIO_STAT_WRITE,
+	BLKIO_STAT_SYNC,
+	BLKIO_STAT_ASYNC,
+	BLKIO_STAT_TOTAL
 };
 
 struct blkio_cgroup {
@@ -42,13 +61,7 @@ struct blkio_group_stats {
 	/* total disk time and nr sectors dispatched by this group */
 	uint64_t time;
 	uint64_t sectors;
-	/* Total disk time used by IOs in ns */
-	uint64_t io_service_time[IO_TYPE_MAX];
-	uint64_t io_service_bytes[IO_TYPE_MAX]; /* Total bytes transferred */
-	/* Total IOs serviced, post merge */
-	uint64_t io_serviced[IO_TYPE_MAX];
-	/* Total time spent waiting in scheduler queue in ns */
-	uint64_t io_wait_time[IO_TYPE_MAX];
+	uint64_t stat_arr[BLKIO_STAT_WAIT_TIME + 1][BLKIO_STAT_TOTAL];
 #ifdef CONFIG_DEBUG_BLK_CGROUP
 	/* How many times this group has been removed from service tree */
 	unsigned long dequeue;
@@ -65,7 +78,7 @@ struct blkio_group {
 	char path[128];
 #endif
 	/* The device MKDEV(major, minor), this group has been created for */
-	dev_t   dev;
+	dev_t dev;
 
 	/* Need to serialize the stats in the case of reset/update */
 	spinlock_t stats_lock;
@@ -128,21 +141,21 @@ extern void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 extern int blkiocg_del_blkio_group(struct blkio_group *blkg);
 extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg,
 						void *key);
+void blkio_group_init(struct blkio_group *blkg);
 void blkiocg_update_timeslice_used(struct blkio_group *blkg,
 					unsigned long time);
-void blkiocg_update_request_dispatch_stats(struct blkio_group *blkg,
-						struct request *rq);
-void blkiocg_update_request_completion_stats(struct blkio_group *blkg,
-						struct request *rq);
+void blkiocg_update_dispatch_stats(struct blkio_group *blkg, uint64_t bytes,
+						bool direction, bool sync);
+void blkiocg_update_completion_stats(struct blkio_group *blkg,
+	uint64_t start_time, uint64_t io_start_time, bool direction, bool sync);
 #else
 struct cgroup;
 static inline struct blkio_cgroup *
 cgroup_to_blkio_cgroup(struct cgroup *cgroup) { return NULL; }
 
+static inline void blkio_group_init(struct blkio_group *blkg) {}
 static inline void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
-			struct blkio_group *blkg, void *key, dev_t dev)
-{
-}
+			struct blkio_group *blkg, void *key, dev_t dev) {}
 
 static inline int
 blkiocg_del_blkio_group(struct blkio_group *blkg) { return 0; }
@@ -151,9 +164,10 @@ static inline struct blkio_group *
 blkiocg_lookup_group(struct blkio_cgroup *blkcg, void *key) { return NULL; }
 static inline void blkiocg_update_timeslice_used(struct blkio_group *blkg,
 						unsigned long time) {}
-static inline void blkiocg_update_request_dispatch_stats(
-		struct blkio_group *blkg, struct request *rq) {}
-static inline void blkiocg_update_request_completion_stats(
-		struct blkio_group *blkg, struct request *rq) {}
+static inline void blkiocg_update_dispatch_stats(struct blkio_group *blkg,
+				uint64_t bytes, bool direction, bool sync) {}
+static inline void blkiocg_update_completion_stats(struct blkio_group *blkg,
+		uint64_t start_time, uint64_t io_start_time, bool direction,
+		bool sync) {}
 #endif
 #endif /* _BLK_CGROUP_H */
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 42028e7128a..5617ae030b1 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -955,6 +955,7 @@ cfq_find_alloc_cfqg(struct cfq_data *cfqd, struct cgroup *cgroup, int create)
 	for_each_cfqg_st(cfqg, i, j, st)
 		*st = CFQ_RB_ROOT;
 	RB_CLEAR_NODE(&cfqg->rb_node);
+	blkio_group_init(&cfqg->blkg);
 
 	/*
 	 * Take the initial reference that will be released on destroy
@@ -1865,7 +1866,8 @@ static void cfq_dispatch_insert(struct request_queue *q, struct request *rq)
 	elv_dispatch_sort(q, rq);
 
 	cfqd->rq_in_flight[cfq_cfqq_sync(cfqq)]++;
-	blkiocg_update_request_dispatch_stats(&cfqq->cfqg->blkg, rq);
+	blkiocg_update_dispatch_stats(&cfqq->cfqg->blkg, blk_rq_bytes(rq),
+					rq_data_dir(rq), rq_is_sync(rq));
 }
 
 /*
@@ -3286,7 +3288,9 @@ static void cfq_completed_request(struct request_queue *q, struct request *rq)
 	WARN_ON(!cfqq->dispatched);
 	cfqd->rq_in_driver--;
 	cfqq->dispatched--;
-	blkiocg_update_request_completion_stats(&cfqq->cfqg->blkg, rq);
+	blkiocg_update_completion_stats(&cfqq->cfqg->blkg, rq_start_time_ns(rq),
+			rq_io_start_time_ns(rq), rq_data_dir(rq),
+			rq_is_sync(rq));
 
 	cfqd->rq_in_flight[cfq_cfqq_sync(cfqq)]--;
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index f3fff8bf85e..d483c494672 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1209,9 +1209,27 @@ static inline void set_io_start_time_ns(struct request *req)
 {
 	req->io_start_time_ns = sched_clock();
 }
+
+static inline uint64_t rq_start_time_ns(struct request *req)
+{
+        return req->start_time_ns;
+}
+
+static inline uint64_t rq_io_start_time_ns(struct request *req)
+{
+        return req->io_start_time_ns;
+}
 #else
 static inline void set_start_time_ns(struct request *req) {}
 static inline void set_io_start_time_ns(struct request *req) {}
+static inline uint64_t rq_start_time_ns(struct request *req)
+{
+	return 0;
+}
+static inline uint64_t rq_io_start_time_ns(struct request *req)
+{
+	return 0;
+}
 #endif
 
 #define MODULE_ALIAS_BLOCKDEV(major,minor) \

From 812d402648f4fc1ab1091b2172a46fc1b367c724 Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Thu, 8 Apr 2010 21:14:23 -0700
Subject: [PATCH 0249/3638] blkio: Add io_merged stat

This includes both the number of bios merged into requests belonging to this
cgroup as well as the number of requests merged together.
In the past, we've observed different merging behavior across upstream kernels,
some by design some actual bugs. This stat helps a lot in debugging such
problems when applications report decreased throughput with a new kernel
version.

This needed adding an extra elevator function to capture bios being merged as I
did not want to pollute elevator code with blkiocg knowledge and hence needed
the accounting invocation to come from CFQ.

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 Documentation/cgroups/blkio-controller.txt |  5 +++++
 block/blk-cgroup.c                         | 17 +++++++++++++++++
 block/blk-cgroup.h                         |  8 +++++++-
 block/blk-core.c                           |  2 ++
 block/cfq-iosched.c                        | 11 +++++++++++
 block/elevator.c                           |  9 +++++++++
 include/linux/elevator.h                   |  6 ++++++
 7 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroups/blkio-controller.txt
index ed04fe9cce1..810e30171a5 100644
--- a/Documentation/cgroups/blkio-controller.txt
+++ b/Documentation/cgroups/blkio-controller.txt
@@ -134,6 +134,11 @@ Details of cgroup files
 	  minor number of the device, third field specifies the operation type
 	  and the fourth field specifies the io_wait_time in ns.
 
+- blkio.io_merged
+	- Total number of bios/requests merged into requests belonging to this
+	  cgroup. This is further divided by the type of operation - read or
+	  write, sync or async.
+
 - blkio.dequeue
 	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y. This
 	  gives the statistics about how many a times a group was dequeued
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 6797df50882..d23b538858c 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -127,6 +127,18 @@ void blkiocg_update_completion_stats(struct blkio_group *blkg,
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_completion_stats);
 
+void blkiocg_update_io_merged_stats(struct blkio_group *blkg, bool direction,
+					bool sync)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	blkio_add_stat(blkg->stats.stat_arr[BLKIO_STAT_MERGED], 1, direction,
+			sync);
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_update_io_merged_stats);
+
 void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 			struct blkio_group *blkg, void *key, dev_t dev)
 {
@@ -363,6 +375,7 @@ SHOW_FUNCTION_PER_GROUP(io_service_bytes, BLKIO_STAT_SERVICE_BYTES, 1);
 SHOW_FUNCTION_PER_GROUP(io_serviced, BLKIO_STAT_SERVICED, 1);
 SHOW_FUNCTION_PER_GROUP(io_service_time, BLKIO_STAT_SERVICE_TIME, 1);
 SHOW_FUNCTION_PER_GROUP(io_wait_time, BLKIO_STAT_WAIT_TIME, 1);
+SHOW_FUNCTION_PER_GROUP(io_merged, BLKIO_STAT_MERGED, 1);
 #ifdef CONFIG_DEBUG_BLK_CGROUP
 SHOW_FUNCTION_PER_GROUP(dequeue, BLKIO_STAT_DEQUEUE, 0);
 #endif
@@ -407,6 +420,10 @@ struct cftype blkio_files[] = {
 		.name = "io_wait_time",
 		.read_map = blkiocg_io_wait_time_read,
 	},
+	{
+		.name = "io_merged",
+		.read_map = blkiocg_io_merged_read,
+	},
 	{
 		.name = "reset_stats",
 		.write_u64 = blkiocg_reset_stats,
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index b22e55390a4..470a29db6be 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -34,6 +34,8 @@ enum stat_type {
 	BLKIO_STAT_SERVICED,
 	/* Total time spent waiting in scheduler queue in ns */
 	BLKIO_STAT_WAIT_TIME,
+	/* Number of IOs merged */
+	BLKIO_STAT_MERGED,
 	/* All the single valued stats go below this */
 	BLKIO_STAT_TIME,
 	BLKIO_STAT_SECTORS,
@@ -61,7 +63,7 @@ struct blkio_group_stats {
 	/* total disk time and nr sectors dispatched by this group */
 	uint64_t time;
 	uint64_t sectors;
-	uint64_t stat_arr[BLKIO_STAT_WAIT_TIME + 1][BLKIO_STAT_TOTAL];
+	uint64_t stat_arr[BLKIO_STAT_MERGED + 1][BLKIO_STAT_TOTAL];
 #ifdef CONFIG_DEBUG_BLK_CGROUP
 	/* How many times this group has been removed from service tree */
 	unsigned long dequeue;
@@ -148,6 +150,8 @@ void blkiocg_update_dispatch_stats(struct blkio_group *blkg, uint64_t bytes,
 						bool direction, bool sync);
 void blkiocg_update_completion_stats(struct blkio_group *blkg,
 	uint64_t start_time, uint64_t io_start_time, bool direction, bool sync);
+void blkiocg_update_io_merged_stats(struct blkio_group *blkg, bool direction,
+					bool sync);
 #else
 struct cgroup;
 static inline struct blkio_cgroup *
@@ -169,5 +173,7 @@ static inline void blkiocg_update_dispatch_stats(struct blkio_group *blkg,
 static inline void blkiocg_update_completion_stats(struct blkio_group *blkg,
 		uint64_t start_time, uint64_t io_start_time, bool direction,
 		bool sync) {}
+static inline void blkiocg_update_io_merged_stats(struct blkio_group *blkg,
+						bool direction, bool sync) {}
 #endif
 #endif /* _BLK_CGROUP_H */
diff --git a/block/blk-core.c b/block/blk-core.c
index 4b1b29ef2cb..e9a5ae25db8 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1202,6 +1202,7 @@ static int __make_request(struct request_queue *q, struct bio *bio)
 		if (!blk_rq_cpu_valid(req))
 			req->cpu = bio->bi_comp_cpu;
 		drive_stat_acct(req, 0);
+		elv_bio_merged(q, req, bio);
 		if (!attempt_back_merge(q, req))
 			elv_merged_request(q, req, el_ret);
 		goto out;
@@ -1235,6 +1236,7 @@ static int __make_request(struct request_queue *q, struct bio *bio)
 		if (!blk_rq_cpu_valid(req))
 			req->cpu = bio->bi_comp_cpu;
 		drive_stat_acct(req, 0);
+		elv_bio_merged(q, req, bio);
 		if (!attempt_front_merge(q, req))
 			elv_merged_request(q, req, el_ret);
 		goto out;
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 5617ae030b1..4eb1906cf6c 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1467,6 +1467,14 @@ static void cfq_merged_request(struct request_queue *q, struct request *req,
 	}
 }
 
+static void cfq_bio_merged(struct request_queue *q, struct request *req,
+				struct bio *bio)
+{
+	struct cfq_queue *cfqq = RQ_CFQQ(req);
+	blkiocg_update_io_merged_stats(&cfqq->cfqg->blkg, bio_data_dir(bio),
+					cfq_bio_sync(bio));
+}
+
 static void
 cfq_merged_requests(struct request_queue *q, struct request *rq,
 		    struct request *next)
@@ -1484,6 +1492,8 @@ cfq_merged_requests(struct request_queue *q, struct request *rq,
 	if (cfqq->next_rq == next)
 		cfqq->next_rq = rq;
 	cfq_remove_request(next);
+	blkiocg_update_io_merged_stats(&cfqq->cfqg->blkg, rq_data_dir(next),
+					rq_is_sync(next));
 }
 
 static int cfq_allow_merge(struct request_queue *q, struct request *rq,
@@ -3861,6 +3871,7 @@ static struct elevator_type iosched_cfq = {
 		.elevator_merged_fn =		cfq_merged_request,
 		.elevator_merge_req_fn =	cfq_merged_requests,
 		.elevator_allow_merge_fn =	cfq_allow_merge,
+		.elevator_bio_merged_fn =	cfq_bio_merged,
 		.elevator_dispatch_fn =		cfq_dispatch_requests,
 		.elevator_add_req_fn =		cfq_insert_request,
 		.elevator_activate_req_fn =	cfq_activate_request,
diff --git a/block/elevator.c b/block/elevator.c
index 76e3702d538..5e734592bb4 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -539,6 +539,15 @@ void elv_merge_requests(struct request_queue *q, struct request *rq,
 	q->last_merge = rq;
 }
 
+void elv_bio_merged(struct request_queue *q, struct request *rq,
+			struct bio *bio)
+{
+	struct elevator_queue *e = q->elevator;
+
+	if (e->ops->elevator_bio_merged_fn)
+		e->ops->elevator_bio_merged_fn(q, rq, bio);
+}
+
 void elv_requeue_request(struct request_queue *q, struct request *rq)
 {
 	/*
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 1cb3372e65d..2c958f4fce1 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -14,6 +14,9 @@ typedef void (elevator_merged_fn) (struct request_queue *, struct request *, int
 
 typedef int (elevator_allow_merge_fn) (struct request_queue *, struct request *, struct bio *);
 
+typedef void (elevator_bio_merged_fn) (struct request_queue *,
+						struct request *, struct bio *);
+
 typedef int (elevator_dispatch_fn) (struct request_queue *, int);
 
 typedef void (elevator_add_req_fn) (struct request_queue *, struct request *);
@@ -36,6 +39,7 @@ struct elevator_ops
 	elevator_merged_fn *elevator_merged_fn;
 	elevator_merge_req_fn *elevator_merge_req_fn;
 	elevator_allow_merge_fn *elevator_allow_merge_fn;
+	elevator_bio_merged_fn *elevator_bio_merged_fn;
 
 	elevator_dispatch_fn *elevator_dispatch_fn;
 	elevator_add_req_fn *elevator_add_req_fn;
@@ -103,6 +107,8 @@ extern int elv_merge(struct request_queue *, struct request **, struct bio *);
 extern void elv_merge_requests(struct request_queue *, struct request *,
 			       struct request *);
 extern void elv_merged_request(struct request_queue *, struct request *, int);
+extern void elv_bio_merged(struct request_queue *q, struct request *,
+				struct bio *);
 extern void elv_requeue_request(struct request_queue *, struct request *);
 extern int elv_queue_empty(struct request_queue *);
 extern struct request *elv_former_request(struct request_queue *, struct request *);

From cdc1184cf4a7bd99f5473a91244197accc49146b Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Thu, 8 Apr 2010 21:15:10 -0700
Subject: [PATCH 0250/3638] blkio: Add io_queued and avg_queue_size stats

These stats are useful for getting a feel for the queue depth of the cgroup,
i.e., how filled up its queues are at a given instant and over the existence of
the cgroup. This ability is useful when debugging problems in the wild as it
helps understand the application's IO pattern w/o having to read through the
userspace code (coz its tedious or just not available) or w/o the ability
to run blktrace (since you may not have root access and/or not want to disturb
performance).

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 Documentation/cgroups/blkio-controller.txt | 11 +++
 block/blk-cgroup.c                         | 98 ++++++++++++++++++++--
 block/blk-cgroup.h                         | 20 ++++-
 block/cfq-iosched.c                        | 11 +++
 4 files changed, 134 insertions(+), 6 deletions(-)

diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroups/blkio-controller.txt
index 810e30171a5..6e52e7c512a 100644
--- a/Documentation/cgroups/blkio-controller.txt
+++ b/Documentation/cgroups/blkio-controller.txt
@@ -139,6 +139,17 @@ Details of cgroup files
 	  cgroup. This is further divided by the type of operation - read or
 	  write, sync or async.
 
+- blkio.io_queued
+	- Total number of requests queued up at any given instant for this
+	  cgroup. This is further divided by the type of operation - read or
+	  write, sync or async.
+
+- blkio.avg_queue_size
+	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y.
+	  The average queue size for this cgroup over the entire time of this
+	  cgroup's existence. Queue size samples are taken each time one of the
+	  queues of this cgroup gets a timeslice.
+
 - blkio.dequeue
 	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y. This
 	  gives the statistics about how many a times a group was dequeued
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index d23b538858c..1e0c4970b35 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -81,6 +81,71 @@ static void blkio_add_stat(uint64_t *stat, uint64_t add, bool direction,
 		stat[BLKIO_STAT_ASYNC] += add;
 }
 
+/*
+ * Decrements the appropriate stat variable if non-zero depending on the
+ * request type. Panics on value being zero.
+ * This should be called with the blkg->stats_lock held.
+ */
+static void blkio_check_and_dec_stat(uint64_t *stat, bool direction, bool sync)
+{
+	if (direction) {
+		BUG_ON(stat[BLKIO_STAT_WRITE] == 0);
+		stat[BLKIO_STAT_WRITE]--;
+	} else {
+		BUG_ON(stat[BLKIO_STAT_READ] == 0);
+		stat[BLKIO_STAT_READ]--;
+	}
+	if (sync) {
+		BUG_ON(stat[BLKIO_STAT_SYNC] == 0);
+		stat[BLKIO_STAT_SYNC]--;
+	} else {
+		BUG_ON(stat[BLKIO_STAT_ASYNC] == 0);
+		stat[BLKIO_STAT_ASYNC]--;
+	}
+}
+
+#ifdef CONFIG_DEBUG_BLK_CGROUP
+void blkiocg_update_set_active_queue_stats(struct blkio_group *blkg)
+{
+	unsigned long flags;
+	struct blkio_group_stats *stats;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	stats = &blkg->stats;
+	stats->avg_queue_size_sum +=
+			stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_READ] +
+			stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_WRITE];
+	stats->avg_queue_size_samples++;
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_update_set_active_queue_stats);
+#endif
+
+void blkiocg_update_request_add_stats(struct blkio_group *blkg,
+			struct blkio_group *curr_blkg, bool direction,
+			bool sync)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	blkio_add_stat(blkg->stats.stat_arr[BLKIO_STAT_QUEUED], 1, direction,
+			sync);
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_update_request_add_stats);
+
+void blkiocg_update_request_remove_stats(struct blkio_group *blkg,
+						bool direction, bool sync)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	blkio_check_and_dec_stat(blkg->stats.stat_arr[BLKIO_STAT_QUEUED],
+					direction, sync);
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_update_request_remove_stats);
+
 void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
 {
 	unsigned long flags;
@@ -253,14 +318,18 @@ blkiocg_reset_stats(struct cgroup *cgroup, struct cftype *cftype, u64 val)
 	struct blkio_cgroup *blkcg;
 	struct blkio_group *blkg;
 	struct hlist_node *n;
-	struct blkio_group_stats *stats;
+	uint64_t queued[BLKIO_STAT_TOTAL];
+	int i;
 
 	blkcg = cgroup_to_blkio_cgroup(cgroup);
 	spin_lock_irq(&blkcg->lock);
 	hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
 		spin_lock(&blkg->stats_lock);
-		stats = &blkg->stats;
-		memset(stats, 0, sizeof(struct blkio_group_stats));
+		for (i = 0; i < BLKIO_STAT_TOTAL; i++)
+			queued[i] = blkg->stats.stat_arr[BLKIO_STAT_QUEUED][i];
+		memset(&blkg->stats, 0, sizeof(struct blkio_group_stats));
+		for (i = 0; i < BLKIO_STAT_TOTAL; i++)
+			blkg->stats.stat_arr[BLKIO_STAT_QUEUED][i] = queued[i];
 		spin_unlock(&blkg->stats_lock);
 	}
 	spin_unlock_irq(&blkcg->lock);
@@ -323,6 +392,15 @@ static uint64_t blkio_get_stat(struct blkio_group *blkg,
 		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
 					blkg->stats.sectors, cb, dev);
 #ifdef CONFIG_DEBUG_BLK_CGROUP
+	if (type == BLKIO_STAT_AVG_QUEUE_SIZE) {
+		uint64_t sum = blkg->stats.avg_queue_size_sum;
+		uint64_t samples = blkg->stats.avg_queue_size_samples;
+		if (samples)
+			do_div(sum, samples);
+		else
+			sum = 0;
+		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1, sum, cb, dev);
+	}
 	if (type == BLKIO_STAT_DEQUEUE)
 		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
 					blkg->stats.dequeue, cb, dev);
@@ -376,8 +454,10 @@ SHOW_FUNCTION_PER_GROUP(io_serviced, BLKIO_STAT_SERVICED, 1);
 SHOW_FUNCTION_PER_GROUP(io_service_time, BLKIO_STAT_SERVICE_TIME, 1);
 SHOW_FUNCTION_PER_GROUP(io_wait_time, BLKIO_STAT_WAIT_TIME, 1);
 SHOW_FUNCTION_PER_GROUP(io_merged, BLKIO_STAT_MERGED, 1);
+SHOW_FUNCTION_PER_GROUP(io_queued, BLKIO_STAT_QUEUED, 1);
 #ifdef CONFIG_DEBUG_BLK_CGROUP
 SHOW_FUNCTION_PER_GROUP(dequeue, BLKIO_STAT_DEQUEUE, 0);
+SHOW_FUNCTION_PER_GROUP(avg_queue_size, BLKIO_STAT_AVG_QUEUE_SIZE, 0);
 #endif
 #undef SHOW_FUNCTION_PER_GROUP
 
@@ -424,15 +504,23 @@ struct cftype blkio_files[] = {
 		.name = "io_merged",
 		.read_map = blkiocg_io_merged_read,
 	},
+	{
+		.name = "io_queued",
+		.read_map = blkiocg_io_queued_read,
+	},
 	{
 		.name = "reset_stats",
 		.write_u64 = blkiocg_reset_stats,
 	},
 #ifdef CONFIG_DEBUG_BLK_CGROUP
-       {
+	{
+		.name = "avg_queue_size",
+		.read_map = blkiocg_avg_queue_size_read,
+	},
+	{
 		.name = "dequeue",
 		.read_map = blkiocg_dequeue_read,
-       },
+	},
 #endif
 };
 
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 470a29db6be..bea7f3b9a88 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -36,10 +36,13 @@ enum stat_type {
 	BLKIO_STAT_WAIT_TIME,
 	/* Number of IOs merged */
 	BLKIO_STAT_MERGED,
+	/* Number of IOs queued up */
+	BLKIO_STAT_QUEUED,
 	/* All the single valued stats go below this */
 	BLKIO_STAT_TIME,
 	BLKIO_STAT_SECTORS,
 #ifdef CONFIG_DEBUG_BLK_CGROUP
+	BLKIO_STAT_AVG_QUEUE_SIZE,
 	BLKIO_STAT_DEQUEUE
 #endif
 };
@@ -63,8 +66,12 @@ struct blkio_group_stats {
 	/* total disk time and nr sectors dispatched by this group */
 	uint64_t time;
 	uint64_t sectors;
-	uint64_t stat_arr[BLKIO_STAT_MERGED + 1][BLKIO_STAT_TOTAL];
+	uint64_t stat_arr[BLKIO_STAT_QUEUED + 1][BLKIO_STAT_TOTAL];
 #ifdef CONFIG_DEBUG_BLK_CGROUP
+	/* Sum of number of IOs queued across all samples */
+	uint64_t avg_queue_size_sum;
+	/* Count of samples taken for average */
+	uint64_t avg_queue_size_samples;
 	/* How many times this group has been removed from service tree */
 	unsigned long dequeue;
 #endif
@@ -127,10 +134,13 @@ static inline char *blkg_path(struct blkio_group *blkg)
 {
 	return blkg->path;
 }
+void blkiocg_update_set_active_queue_stats(struct blkio_group *blkg);
 void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 				unsigned long dequeue);
 #else
 static inline char *blkg_path(struct blkio_group *blkg) { return NULL; }
+static inline void blkiocg_update_set_active_queue_stats(
+						struct blkio_group *blkg) {}
 static inline void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 						unsigned long dequeue) {}
 #endif
@@ -152,6 +162,10 @@ void blkiocg_update_completion_stats(struct blkio_group *blkg,
 	uint64_t start_time, uint64_t io_start_time, bool direction, bool sync);
 void blkiocg_update_io_merged_stats(struct blkio_group *blkg, bool direction,
 					bool sync);
+void blkiocg_update_request_add_stats(struct blkio_group *blkg,
+		struct blkio_group *curr_blkg, bool direction, bool sync);
+void blkiocg_update_request_remove_stats(struct blkio_group *blkg,
+					bool direction, bool sync);
 #else
 struct cgroup;
 static inline struct blkio_cgroup *
@@ -175,5 +189,9 @@ static inline void blkiocg_update_completion_stats(struct blkio_group *blkg,
 		bool sync) {}
 static inline void blkiocg_update_io_merged_stats(struct blkio_group *blkg,
 						bool direction, bool sync) {}
+static inline void blkiocg_update_request_add_stats(struct blkio_group *blkg,
+		struct blkio_group *curr_blkg, bool direction, bool sync) {}
+static inline void blkiocg_update_request_remove_stats(struct blkio_group *blkg,
+						bool direction, bool sync) {}
 #endif
 #endif /* _BLK_CGROUP_H */
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 4eb1906cf6c..8e0b86a9111 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1380,7 +1380,12 @@ static void cfq_reposition_rq_rb(struct cfq_queue *cfqq, struct request *rq)
 {
 	elv_rb_del(&cfqq->sort_list, rq);
 	cfqq->queued[rq_is_sync(rq)]--;
+	blkiocg_update_request_remove_stats(&cfqq->cfqg->blkg, rq_data_dir(rq),
+						rq_is_sync(rq));
 	cfq_add_rq_rb(rq);
+	blkiocg_update_request_add_stats(
+			&cfqq->cfqg->blkg, &cfqq->cfqd->serving_group->blkg,
+			rq_data_dir(rq), rq_is_sync(rq));
 }
 
 static struct request *
@@ -1436,6 +1441,8 @@ static void cfq_remove_request(struct request *rq)
 	cfq_del_rq_rb(rq);
 
 	cfqq->cfqd->rq_queued--;
+	blkiocg_update_request_remove_stats(&cfqq->cfqg->blkg, rq_data_dir(rq),
+						rq_is_sync(rq));
 	if (rq_is_meta(rq)) {
 		WARN_ON(!cfqq->meta_pending);
 		cfqq->meta_pending--;
@@ -1527,6 +1534,7 @@ static void __cfq_set_active_queue(struct cfq_data *cfqd,
 	if (cfqq) {
 		cfq_log_cfqq(cfqd, cfqq, "set_active wl_prio:%d wl_type:%d",
 				cfqd->serving_prio, cfqd->serving_type);
+		blkiocg_update_set_active_queue_stats(&cfqq->cfqg->blkg);
 		cfqq->slice_start = 0;
 		cfqq->dispatch_start = jiffies;
 		cfqq->allocated_slice = 0;
@@ -3213,6 +3221,9 @@ static void cfq_insert_request(struct request_queue *q, struct request *rq)
 	list_add_tail(&rq->queuelist, &cfqq->fifo);
 	cfq_add_rq_rb(rq);
 
+	blkiocg_update_request_add_stats(&cfqq->cfqg->blkg,
+			&cfqd->serving_group->blkg, rq_data_dir(rq),
+			rq_is_sync(rq));
 	cfq_rq_enqueued(cfqd, cfqq, rq);
 }
 

From 812df48d127365ffd0869aa139738f572a86759c Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Thu, 8 Apr 2010 21:15:35 -0700
Subject: [PATCH 0251/3638] blkio: Add more debug-only per-cgroup stats

1) group_wait_time - This is the amount of time the cgroup had to wait to get a
  timeslice for one of its queues from when it became busy, i.e., went from 0
  to 1 request queued. This is different from the io_wait_time which is the
  cumulative total of the amount of time spent by each IO in that cgroup waiting
  in the scheduler queue. This stat is a great way to find out any jobs in the
  fleet that are being starved or waiting for longer than what is expected (due
  to an IO controller bug or any other issue).
2) empty_time - This is the amount of time a cgroup spends w/o any pending
   requests. This stat is useful when a job does not seem to be able to use its
   assigned disk share by helping check if that is happening due to an IO
   controller bug or because the job is not submitting enough IOs.
3) idle_time - This is the amount of time spent by the IO scheduler idling
   for a given cgroup in anticipation of a better request than the exising ones
   from other queues/cgroups.

All these stats are recorded using start and stop events. When reading these
stats, we do not add the delta between the current time and the last start time
if we're between the start and stop events. We avoid doing this to make sure
that these numbers are always monotonically increasing when read. Since we're
using sched_clock() which may use the tsc as its source, it may induce some
inconsistency (due to tsc resync across cpus) if we included the current delta.

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 Documentation/cgroups/blkio-controller.txt |  29 ++++
 block/blk-cgroup.c                         | 159 ++++++++++++++++++++-
 block/blk-cgroup.h                         |  54 +++++++
 block/cfq-iosched.c                        |  50 ++++---
 4 files changed, 271 insertions(+), 21 deletions(-)

diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroups/blkio-controller.txt
index 6e52e7c512a..db054ea3e7f 100644
--- a/Documentation/cgroups/blkio-controller.txt
+++ b/Documentation/cgroups/blkio-controller.txt
@@ -150,6 +150,35 @@ Details of cgroup files
 	  cgroup's existence. Queue size samples are taken each time one of the
 	  queues of this cgroup gets a timeslice.
 
+- blkio.group_wait_time
+	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y.
+	  This is the amount of time the cgroup had to wait since it became busy
+	  (i.e., went from 0 to 1 request queued) to get a timeslice for one of
+	  its queues. This is different from the io_wait_time which is the
+	  cumulative total of the amount of time spent by each IO in that cgroup
+	  waiting in the scheduler queue. This is in nanoseconds. If this is
+	  read when the cgroup is in a waiting (for timeslice) state, the stat
+	  will only report the group_wait_time accumulated till the last time it
+	  got a timeslice and will not include the current delta.
+
+- blkio.empty_time
+	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y.
+	  This is the amount of time a cgroup spends without any pending
+	  requests when not being served, i.e., it does not include any time
+	  spent idling for one of the queues of the cgroup. This is in
+	  nanoseconds. If this is read when the cgroup is in an empty state,
+	  the stat will only report the empty_time accumulated till the last
+	  time it had a pending request and will not include the current delta.
+
+- blkio.idle_time
+	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y.
+	  This is the amount of time spent by the IO scheduler idling for a
+	  given cgroup in anticipation of a better request than the exising ones
+	  from other queues/cgroups. This is in nanoseconds. If this is read
+	  when the cgroup is in an idling state, the stat will only report the
+	  idle_time accumulated till the last idle period and will not include
+	  the current delta.
+
 - blkio.dequeue
 	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y. This
 	  gives the statistics about how many a times a group was dequeued
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 1e0c4970b35..1ecff7a39f2 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -105,6 +105,76 @@ static void blkio_check_and_dec_stat(uint64_t *stat, bool direction, bool sync)
 }
 
 #ifdef CONFIG_DEBUG_BLK_CGROUP
+/* This should be called with the blkg->stats_lock held. */
+static void blkio_set_start_group_wait_time(struct blkio_group *blkg,
+						struct blkio_group *curr_blkg)
+{
+	if (blkio_blkg_waiting(&blkg->stats))
+		return;
+	if (blkg == curr_blkg)
+		return;
+	blkg->stats.start_group_wait_time = sched_clock();
+	blkio_mark_blkg_waiting(&blkg->stats);
+}
+
+/* This should be called with the blkg->stats_lock held. */
+static void blkio_update_group_wait_time(struct blkio_group_stats *stats)
+{
+	unsigned long long now;
+
+	if (!blkio_blkg_waiting(stats))
+		return;
+
+	now = sched_clock();
+	if (time_after64(now, stats->start_group_wait_time))
+		stats->group_wait_time += now - stats->start_group_wait_time;
+	blkio_clear_blkg_waiting(stats);
+}
+
+/* This should be called with the blkg->stats_lock held. */
+static void blkio_end_empty_time(struct blkio_group_stats *stats)
+{
+	unsigned long long now;
+
+	if (!blkio_blkg_empty(stats))
+		return;
+
+	now = sched_clock();
+	if (time_after64(now, stats->start_empty_time))
+		stats->empty_time += now - stats->start_empty_time;
+	blkio_clear_blkg_empty(stats);
+}
+
+void blkiocg_update_set_idle_time_stats(struct blkio_group *blkg)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	BUG_ON(blkio_blkg_idling(&blkg->stats));
+	blkg->stats.start_idle_time = sched_clock();
+	blkio_mark_blkg_idling(&blkg->stats);
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_update_set_idle_time_stats);
+
+void blkiocg_update_idle_time_stats(struct blkio_group *blkg)
+{
+	unsigned long flags;
+	unsigned long long now;
+	struct blkio_group_stats *stats;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	stats = &blkg->stats;
+	if (blkio_blkg_idling(stats)) {
+		now = sched_clock();
+		if (time_after64(now, stats->start_idle_time))
+			stats->idle_time += now - stats->start_idle_time;
+		blkio_clear_blkg_idling(stats);
+	}
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_update_idle_time_stats);
+
 void blkiocg_update_set_active_queue_stats(struct blkio_group *blkg)
 {
 	unsigned long flags;
@@ -116,9 +186,14 @@ void blkiocg_update_set_active_queue_stats(struct blkio_group *blkg)
 			stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_READ] +
 			stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_WRITE];
 	stats->avg_queue_size_samples++;
+	blkio_update_group_wait_time(stats);
 	spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_set_active_queue_stats);
+#else
+static inline void blkio_set_start_group_wait_time(struct blkio_group *blkg,
+					struct blkio_group *curr_blkg) {}
+static inline void blkio_end_empty_time(struct blkio_group_stats *stats) {}
 #endif
 
 void blkiocg_update_request_add_stats(struct blkio_group *blkg,
@@ -130,6 +205,8 @@ void blkiocg_update_request_add_stats(struct blkio_group *blkg,
 	spin_lock_irqsave(&blkg->stats_lock, flags);
 	blkio_add_stat(blkg->stats.stat_arr[BLKIO_STAT_QUEUED], 1, direction,
 			sync);
+	blkio_end_empty_time(&blkg->stats);
+	blkio_set_start_group_wait_time(blkg, curr_blkg);
 	spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_request_add_stats);
@@ -156,6 +233,33 @@ void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_timeslice_used);
 
+void blkiocg_set_start_empty_time(struct blkio_group *blkg, bool ignore)
+{
+	unsigned long flags;
+	struct blkio_group_stats *stats;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	stats = &blkg->stats;
+
+	if (stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_READ] ||
+			stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_WRITE]) {
+		spin_unlock_irqrestore(&blkg->stats_lock, flags);
+		return;
+	}
+
+	/*
+	 * If ignore is set, we do not panic on the empty flag being set
+	 * already. This is to avoid cases where there are superfluous timeslice
+	 * complete events (for eg., forced_dispatch in CFQ) when no IOs are
+	 * served which could result in triggering the empty check incorrectly.
+	 */
+	BUG_ON(!ignore && blkio_blkg_empty(stats));
+	stats->start_empty_time = sched_clock();
+	blkio_mark_blkg_empty(stats);
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_set_start_empty_time);
+
 void blkiocg_update_dispatch_stats(struct blkio_group *blkg,
 				uint64_t bytes, bool direction, bool sync)
 {
@@ -317,19 +421,44 @@ blkiocg_reset_stats(struct cgroup *cgroup, struct cftype *cftype, u64 val)
 {
 	struct blkio_cgroup *blkcg;
 	struct blkio_group *blkg;
+	struct blkio_group_stats *stats;
 	struct hlist_node *n;
 	uint64_t queued[BLKIO_STAT_TOTAL];
 	int i;
+#ifdef CONFIG_DEBUG_BLK_CGROUP
+	bool idling, waiting, empty;
+	unsigned long long now = sched_clock();
+#endif
 
 	blkcg = cgroup_to_blkio_cgroup(cgroup);
 	spin_lock_irq(&blkcg->lock);
 	hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
 		spin_lock(&blkg->stats_lock);
+		stats = &blkg->stats;
+#ifdef CONFIG_DEBUG_BLK_CGROUP
+		idling = blkio_blkg_idling(stats);
+		waiting = blkio_blkg_waiting(stats);
+		empty = blkio_blkg_empty(stats);
+#endif
 		for (i = 0; i < BLKIO_STAT_TOTAL; i++)
-			queued[i] = blkg->stats.stat_arr[BLKIO_STAT_QUEUED][i];
-		memset(&blkg->stats, 0, sizeof(struct blkio_group_stats));
+			queued[i] = stats->stat_arr[BLKIO_STAT_QUEUED][i];
+		memset(stats, 0, sizeof(struct blkio_group_stats));
 		for (i = 0; i < BLKIO_STAT_TOTAL; i++)
-			blkg->stats.stat_arr[BLKIO_STAT_QUEUED][i] = queued[i];
+			stats->stat_arr[BLKIO_STAT_QUEUED][i] = queued[i];
+#ifdef CONFIG_DEBUG_BLK_CGROUP
+		if (idling) {
+			blkio_mark_blkg_idling(stats);
+			stats->start_idle_time = now;
+		}
+		if (waiting) {
+			blkio_mark_blkg_waiting(stats);
+			stats->start_group_wait_time = now;
+		}
+		if (empty) {
+			blkio_mark_blkg_empty(stats);
+			stats->start_empty_time = now;
+		}
+#endif
 		spin_unlock(&blkg->stats_lock);
 	}
 	spin_unlock_irq(&blkcg->lock);
@@ -401,6 +530,15 @@ static uint64_t blkio_get_stat(struct blkio_group *blkg,
 			sum = 0;
 		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1, sum, cb, dev);
 	}
+	if (type == BLKIO_STAT_GROUP_WAIT_TIME)
+		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
+					blkg->stats.group_wait_time, cb, dev);
+	if (type == BLKIO_STAT_IDLE_TIME)
+		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
+					blkg->stats.idle_time, cb, dev);
+	if (type == BLKIO_STAT_EMPTY_TIME)
+		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
+					blkg->stats.empty_time, cb, dev);
 	if (type == BLKIO_STAT_DEQUEUE)
 		return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
 					blkg->stats.dequeue, cb, dev);
@@ -458,6 +596,9 @@ SHOW_FUNCTION_PER_GROUP(io_queued, BLKIO_STAT_QUEUED, 1);
 #ifdef CONFIG_DEBUG_BLK_CGROUP
 SHOW_FUNCTION_PER_GROUP(dequeue, BLKIO_STAT_DEQUEUE, 0);
 SHOW_FUNCTION_PER_GROUP(avg_queue_size, BLKIO_STAT_AVG_QUEUE_SIZE, 0);
+SHOW_FUNCTION_PER_GROUP(group_wait_time, BLKIO_STAT_GROUP_WAIT_TIME, 0);
+SHOW_FUNCTION_PER_GROUP(idle_time, BLKIO_STAT_IDLE_TIME, 0);
+SHOW_FUNCTION_PER_GROUP(empty_time, BLKIO_STAT_EMPTY_TIME, 0);
 #endif
 #undef SHOW_FUNCTION_PER_GROUP
 
@@ -517,6 +658,18 @@ struct cftype blkio_files[] = {
 		.name = "avg_queue_size",
 		.read_map = blkiocg_avg_queue_size_read,
 	},
+	{
+		.name = "group_wait_time",
+		.read_map = blkiocg_group_wait_time_read,
+	},
+	{
+		.name = "idle_time",
+		.read_map = blkiocg_idle_time_read,
+	},
+	{
+		.name = "empty_time",
+		.read_map = blkiocg_empty_time_read,
+	},
 	{
 		.name = "dequeue",
 		.read_map = blkiocg_dequeue_read,
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index bea7f3b9a88..bfce085b196 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -43,6 +43,9 @@ enum stat_type {
 	BLKIO_STAT_SECTORS,
 #ifdef CONFIG_DEBUG_BLK_CGROUP
 	BLKIO_STAT_AVG_QUEUE_SIZE,
+	BLKIO_STAT_IDLE_TIME,
+	BLKIO_STAT_EMPTY_TIME,
+	BLKIO_STAT_GROUP_WAIT_TIME,
 	BLKIO_STAT_DEQUEUE
 #endif
 };
@@ -55,6 +58,13 @@ enum stat_sub_type {
 	BLKIO_STAT_TOTAL
 };
 
+/* blkg state flags */
+enum blkg_state_flags {
+	BLKG_waiting = 0,
+	BLKG_idling,
+	BLKG_empty,
+};
+
 struct blkio_cgroup {
 	struct cgroup_subsys_state css;
 	unsigned int weight;
@@ -74,6 +84,21 @@ struct blkio_group_stats {
 	uint64_t avg_queue_size_samples;
 	/* How many times this group has been removed from service tree */
 	unsigned long dequeue;
+
+	/* Total time spent waiting for it to be assigned a timeslice. */
+	uint64_t group_wait_time;
+	uint64_t start_group_wait_time;
+
+	/* Time spent idling for this blkio_group */
+	uint64_t idle_time;
+	uint64_t start_idle_time;
+	/*
+	 * Total time when we have requests queued and do not contain the
+	 * current active queue.
+	 */
+	uint64_t empty_time;
+	uint64_t start_empty_time;
+	uint16_t flags;
 #endif
 };
 
@@ -137,12 +162,41 @@ static inline char *blkg_path(struct blkio_group *blkg)
 void blkiocg_update_set_active_queue_stats(struct blkio_group *blkg);
 void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 				unsigned long dequeue);
+void blkiocg_update_set_idle_time_stats(struct blkio_group *blkg);
+void blkiocg_update_idle_time_stats(struct blkio_group *blkg);
+void blkiocg_set_start_empty_time(struct blkio_group *blkg, bool ignore);
+
+#define BLKG_FLAG_FNS(name)						\
+static inline void blkio_mark_blkg_##name(				\
+		struct blkio_group_stats *stats)			\
+{									\
+	stats->flags |= (1 << BLKG_##name);				\
+}									\
+static inline void blkio_clear_blkg_##name(				\
+		struct blkio_group_stats *stats)			\
+{									\
+	stats->flags &= ~(1 << BLKG_##name);				\
+}									\
+static inline int blkio_blkg_##name(struct blkio_group_stats *stats)	\
+{									\
+	return (stats->flags & (1 << BLKG_##name)) != 0;		\
+}									\
+
+BLKG_FLAG_FNS(waiting)
+BLKG_FLAG_FNS(idling)
+BLKG_FLAG_FNS(empty)
+#undef BLKG_FLAG_FNS
 #else
 static inline char *blkg_path(struct blkio_group *blkg) { return NULL; }
 static inline void blkiocg_update_set_active_queue_stats(
 						struct blkio_group *blkg) {}
 static inline void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 						unsigned long dequeue) {}
+static inline void blkiocg_update_set_idle_time_stats(struct blkio_group *blkg)
+{}
+static inline void blkiocg_update_idle_time_stats(struct blkio_group *blkg) {}
+static inline void blkiocg_set_start_empty_time(struct blkio_group *blkg,
+						bool ignore) {}
 #endif
 
 #if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 8e0b86a9111..b6e095c7ef5 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -886,7 +886,7 @@ static inline unsigned int cfq_cfqq_slice_usage(struct cfq_queue *cfqq)
 }
 
 static void cfq_group_served(struct cfq_data *cfqd, struct cfq_group *cfqg,
-				struct cfq_queue *cfqq)
+				struct cfq_queue *cfqq, bool forced)
 {
 	struct cfq_rb_root *st = &cfqd->grp_service_tree;
 	unsigned int used_sl, charge_sl;
@@ -916,6 +916,7 @@ static void cfq_group_served(struct cfq_data *cfqd, struct cfq_group *cfqg,
 	cfq_log_cfqg(cfqd, cfqg, "served: vt=%llu min_vt=%llu", cfqg->vdisktime,
 					st->min_vdisktime);
 	blkiocg_update_timeslice_used(&cfqg->blkg, used_sl);
+	blkiocg_set_start_empty_time(&cfqg->blkg, forced);
 }
 
 #ifdef CONFIG_CFQ_GROUP_IOSCHED
@@ -1528,6 +1529,12 @@ static int cfq_allow_merge(struct request_queue *q, struct request *rq,
 	return cfqq == RQ_CFQQ(rq);
 }
 
+static inline void cfq_del_timer(struct cfq_data *cfqd, struct cfq_queue *cfqq)
+{
+	del_timer(&cfqd->idle_slice_timer);
+	blkiocg_update_idle_time_stats(&cfqq->cfqg->blkg);
+}
+
 static void __cfq_set_active_queue(struct cfq_data *cfqd,
 				   struct cfq_queue *cfqq)
 {
@@ -1547,7 +1554,7 @@ static void __cfq_set_active_queue(struct cfq_data *cfqd,
 		cfq_clear_cfqq_fifo_expire(cfqq);
 		cfq_mark_cfqq_slice_new(cfqq);
 
-		del_timer(&cfqd->idle_slice_timer);
+		cfq_del_timer(cfqd, cfqq);
 	}
 
 	cfqd->active_queue = cfqq;
@@ -1558,12 +1565,12 @@ static void __cfq_set_active_queue(struct cfq_data *cfqd,
  */
 static void
 __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq,
-		    bool timed_out)
+		    bool timed_out, bool forced)
 {
 	cfq_log_cfqq(cfqd, cfqq, "slice expired t=%d", timed_out);
 
 	if (cfq_cfqq_wait_request(cfqq))
-		del_timer(&cfqd->idle_slice_timer);
+		cfq_del_timer(cfqd, cfqq);
 
 	cfq_clear_cfqq_wait_request(cfqq);
 	cfq_clear_cfqq_wait_busy(cfqq);
@@ -1585,7 +1592,7 @@ __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq,
 		cfq_log_cfqq(cfqd, cfqq, "resid=%ld", cfqq->slice_resid);
 	}
 
-	cfq_group_served(cfqd, cfqq->cfqg, cfqq);
+	cfq_group_served(cfqd, cfqq->cfqg, cfqq, forced);
 
 	if (cfq_cfqq_on_rr(cfqq) && RB_EMPTY_ROOT(&cfqq->sort_list))
 		cfq_del_cfqq_rr(cfqd, cfqq);
@@ -1604,12 +1611,13 @@ __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq,
 	}
 }
 
-static inline void cfq_slice_expired(struct cfq_data *cfqd, bool timed_out)
+static inline void cfq_slice_expired(struct cfq_data *cfqd, bool timed_out,
+					bool forced)
 {
 	struct cfq_queue *cfqq = cfqd->active_queue;
 
 	if (cfqq)
-		__cfq_slice_expired(cfqd, cfqq, timed_out);
+		__cfq_slice_expired(cfqd, cfqq, timed_out, forced);
 }
 
 /*
@@ -1865,6 +1873,7 @@ static void cfq_arm_slice_timer(struct cfq_data *cfqd)
 	sl = cfqd->cfq_slice_idle;
 
 	mod_timer(&cfqd->idle_slice_timer, jiffies + sl);
+	blkiocg_update_set_idle_time_stats(&cfqq->cfqg->blkg);
 	cfq_log_cfqq(cfqd, cfqq, "arm_idle: %lu", sl);
 }
 
@@ -2176,7 +2185,7 @@ static struct cfq_queue *cfq_select_queue(struct cfq_data *cfqd)
 	}
 
 expire:
-	cfq_slice_expired(cfqd, 0);
+	cfq_slice_expired(cfqd, 0, false);
 new_queue:
 	/*
 	 * Current queue expired. Check if we have to switch to a new
@@ -2202,7 +2211,7 @@ static int __cfq_forced_dispatch_cfqq(struct cfq_queue *cfqq)
 	BUG_ON(!list_empty(&cfqq->fifo));
 
 	/* By default cfqq is not expired if it is empty. Do it explicitly */
-	__cfq_slice_expired(cfqq->cfqd, cfqq, 0);
+	__cfq_slice_expired(cfqq->cfqd, cfqq, 0, true);
 	return dispatched;
 }
 
@@ -2218,7 +2227,7 @@ static int cfq_forced_dispatch(struct cfq_data *cfqd)
 	while ((cfqq = cfq_get_next_queue_forced(cfqd)) != NULL)
 		dispatched += __cfq_forced_dispatch_cfqq(cfqq);
 
-	cfq_slice_expired(cfqd, 0);
+	cfq_slice_expired(cfqd, 0, true);
 	BUG_ON(cfqd->busy_queues);
 
 	cfq_log(cfqd, "forced_dispatch=%d", dispatched);
@@ -2382,10 +2391,15 @@ static int cfq_dispatch_requests(struct request_queue *q, int force)
 	    cfqq->slice_dispatch >= cfq_prio_to_maxrq(cfqd, cfqq)) ||
 	    cfq_class_idle(cfqq))) {
 		cfqq->slice_end = jiffies + 1;
-		cfq_slice_expired(cfqd, 0);
+		cfq_slice_expired(cfqd, 0, false);
 	}
 
 	cfq_log_cfqq(cfqd, cfqq, "dispatched a request");
+	/*
+	 * This is needed since we don't exactly match the mod_timer() and
+	 * del_timer() calls in CFQ.
+	 */
+	blkiocg_update_idle_time_stats(&cfqq->cfqg->blkg);
 	return 1;
 }
 
@@ -2413,7 +2427,7 @@ static void cfq_put_queue(struct cfq_queue *cfqq)
 	orig_cfqg = cfqq->orig_cfqg;
 
 	if (unlikely(cfqd->active_queue == cfqq)) {
-		__cfq_slice_expired(cfqd, cfqq, 0);
+		__cfq_slice_expired(cfqd, cfqq, 0, false);
 		cfq_schedule_dispatch(cfqd);
 	}
 
@@ -2514,7 +2528,7 @@ static void cfq_exit_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 	struct cfq_queue *__cfqq, *next;
 
 	if (unlikely(cfqq == cfqd->active_queue)) {
-		__cfq_slice_expired(cfqd, cfqq, 0);
+		__cfq_slice_expired(cfqd, cfqq, 0, false);
 		cfq_schedule_dispatch(cfqd);
 	}
 
@@ -3143,7 +3157,7 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq,
 static void cfq_preempt_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 {
 	cfq_log_cfqq(cfqd, cfqq, "preempt");
-	cfq_slice_expired(cfqd, 1);
+	cfq_slice_expired(cfqd, 1, false);
 
 	/*
 	 * Put the new queue at the front of the of the current list,
@@ -3191,7 +3205,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
 		if (cfq_cfqq_wait_request(cfqq)) {
 			if (blk_rq_bytes(rq) > PAGE_CACHE_SIZE ||
 			    cfqd->busy_queues > 1) {
-				del_timer(&cfqd->idle_slice_timer);
+				cfq_del_timer(cfqd, cfqq);
 				cfq_clear_cfqq_wait_request(cfqq);
 				__blk_run_queue(cfqd->queue);
 			} else
@@ -3352,7 +3366,7 @@ static void cfq_completed_request(struct request_queue *q, struct request *rq)
 		 * - when there is a close cooperator
 		 */
 		if (cfq_slice_used(cfqq) || cfq_class_idle(cfqq))
-			cfq_slice_expired(cfqd, 1);
+			cfq_slice_expired(cfqd, 1, false);
 		else if (sync && cfqq_empty &&
 			 !cfq_close_cooperator(cfqd, cfqq)) {
 			cfqd->noidle_tree_requires_idle |= !rq_noidle(rq);
@@ -3612,7 +3626,7 @@ static void cfq_idle_slice_timer(unsigned long data)
 		cfq_clear_cfqq_deep(cfqq);
 	}
 expire:
-	cfq_slice_expired(cfqd, timed_out);
+	cfq_slice_expired(cfqd, timed_out, false);
 out_kick:
 	cfq_schedule_dispatch(cfqd);
 out_cont:
@@ -3655,7 +3669,7 @@ static void cfq_exit_queue(struct elevator_queue *e)
 	spin_lock_irq(q->queue_lock);
 
 	if (cfqd->active_queue)
-		__cfq_slice_expired(cfqd, cfqd->active_queue, 0);
+		__cfq_slice_expired(cfqd, cfqd->active_queue, 0, false);
 
 	while (!list_empty(&cfqd->cic_list)) {
 		struct cfq_io_context *cic = list_entry(cfqd->cic_list.next,

From a45946abb8991e17c39326854ed1314d20742ca6 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Thu, 11 Mar 2010 14:04:08 -0800
Subject: [PATCH 0252/3638] intel-iommu: use for_each_set_bit()

Replace open-coded loop with for_each_set_bit().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/intel-iommu.c | 33 +++++++--------------------------
 1 file changed, 7 insertions(+), 26 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 417312528dd..a0ac7197ffd 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -491,13 +491,11 @@ static void domain_update_iommu_coherency(struct dmar_domain *domain)
 
 	domain->iommu_coherency = 1;
 
-	i = find_first_bit(&domain->iommu_bmp, g_num_of_iommus);
-	for (; i < g_num_of_iommus; ) {
+	for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) {
 		if (!ecap_coherent(g_iommus[i]->ecap)) {
 			domain->iommu_coherency = 0;
 			break;
 		}
-		i = find_next_bit(&domain->iommu_bmp, g_num_of_iommus, i+1);
 	}
 }
 
@@ -507,13 +505,11 @@ static void domain_update_iommu_snooping(struct dmar_domain *domain)
 
 	domain->iommu_snooping = 1;
 
-	i = find_first_bit(&domain->iommu_bmp, g_num_of_iommus);
-	for (; i < g_num_of_iommus; ) {
+	for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) {
 		if (!ecap_sc_support(g_iommus[i]->ecap)) {
 			domain->iommu_snooping = 0;
 			break;
 		}
-		i = find_next_bit(&domain->iommu_bmp, g_num_of_iommus, i+1);
 	}
 }
 
@@ -1194,8 +1190,7 @@ void free_dmar_iommu(struct intel_iommu *iommu)
 	unsigned long flags;
 
 	if ((iommu->domains) && (iommu->domain_ids)) {
-		i = find_first_bit(iommu->domain_ids, cap_ndoms(iommu->cap));
-		for (; i < cap_ndoms(iommu->cap); ) {
+		for_each_set_bit(i, iommu->domain_ids, cap_ndoms(iommu->cap)) {
 			domain = iommu->domains[i];
 			clear_bit(i, iommu->domain_ids);
 
@@ -1207,9 +1202,6 @@ void free_dmar_iommu(struct intel_iommu *iommu)
 					domain_exit(domain);
 			}
 			spin_unlock_irqrestore(&domain->iommu_lock, flags);
-
-			i = find_next_bit(iommu->domain_ids,
-				cap_ndoms(iommu->cap), i+1);
 		}
 	}
 
@@ -1292,14 +1284,11 @@ static void iommu_detach_domain(struct dmar_domain *domain,
 
 	spin_lock_irqsave(&iommu->lock, flags);
 	ndomains = cap_ndoms(iommu->cap);
-	num = find_first_bit(iommu->domain_ids, ndomains);
-	for (; num < ndomains; ) {
+	for_each_set_bit(num, iommu->domain_ids, ndomains) {
 		if (iommu->domains[num] == domain) {
 			found = 1;
 			break;
 		}
-		num = find_next_bit(iommu->domain_ids,
-				    cap_ndoms(iommu->cap), num+1);
 	}
 
 	if (found) {
@@ -1485,15 +1474,12 @@ static int domain_context_mapping_one(struct dmar_domain *domain, int segment,
 
 		/* find an available domain id for this device in iommu */
 		ndomains = cap_ndoms(iommu->cap);
-		num = find_first_bit(iommu->domain_ids, ndomains);
-		for (; num < ndomains; ) {
+		for_each_set_bit(num, iommu->domain_ids, ndomains) {
 			if (iommu->domains[num] == domain) {
 				id = num;
 				found = 1;
 				break;
 			}
-			num = find_next_bit(iommu->domain_ids,
-					    cap_ndoms(iommu->cap), num+1);
 		}
 
 		if (found == 0) {
@@ -3441,12 +3427,9 @@ static int vm_domain_min_agaw(struct dmar_domain *domain)
 	int i;
 	int min_agaw = domain->agaw;
 
-	i = find_first_bit(&domain->iommu_bmp, g_num_of_iommus);
-	for (; i < g_num_of_iommus; ) {
+	for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) {
 		if (min_agaw > g_iommus[i]->agaw)
 			min_agaw = g_iommus[i]->agaw;
-
-		i = find_next_bit(&domain->iommu_bmp, g_num_of_iommus, i+1);
 	}
 
 	return min_agaw;
@@ -3512,8 +3495,7 @@ static void iommu_free_vm_domain(struct dmar_domain *domain)
 		iommu = drhd->iommu;
 
 		ndomains = cap_ndoms(iommu->cap);
-		i = find_first_bit(iommu->domain_ids, ndomains);
-		for (; i < ndomains; ) {
+		for_each_set_bit(i, iommu->domain_ids, ndomains) {
 			if (iommu->domains[i] == domain) {
 				spin_lock_irqsave(&iommu->lock, flags);
 				clear_bit(i, iommu->domain_ids);
@@ -3521,7 +3503,6 @@ static void iommu_free_vm_domain(struct dmar_domain *domain)
 				spin_unlock_irqrestore(&iommu->lock, flags);
 				break;
 			}
-			i = find_next_bit(iommu->domain_ids, ndomains, i+1);
 		}
 	}
 }

From 8bdd77dd4ef99292f3d705c4c389c12f55641133 Mon Sep 17 00:00:00 2001
From: Nadav Amit <nadav.amit@gmail.com>
Date: Thu, 1 Apr 2010 13:24:35 +0300
Subject: [PATCH 0253/3638] intel-iommu mistakenly uses offset_pfn when caching
 mode is enabled

intel_map_sg used offset_pfn which was set to zero when invalidating the IOTLB.
intel_map_sg now uses size variable for this matter.

Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/intel-iommu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index a0ac7197ffd..341da41cde8 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2860,7 +2860,6 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
 	struct dmar_domain *domain;
 	size_t size = 0;
 	int prot = 0;
-	size_t offset_pfn = 0;
 	struct iova *iova = NULL;
 	int ret;
 	struct scatterlist *sg;
@@ -2914,7 +2913,7 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
 
 	/* it's a non-present to present mapping. Only flush if caching mode */
 	if (cap_caching_mode(iommu->cap))
-		iommu_flush_iotlb_psi(iommu, 0, start_vpfn, offset_pfn);
+		iommu_flush_iotlb_psi(iommu, 0, start_vpfn, size);
 	else
 		iommu_flush_write_buffer(iommu);
 

From 82653633b6161cdecc011d15bc9df1c7489bd9a2 Mon Sep 17 00:00:00 2001
From: Nadav Amit <nadav.amit@gmail.com>
Date: Thu, 1 Apr 2010 13:24:40 +0300
Subject: [PATCH 0254/3638] intel-iommu: Use correct domain ID when caching
 mode is enabled

In caching-mode mappings of pages (changes from non-present to present)
require invalidation.
Currently, this IOTLB flush is performed with domain ID of zero.
This is not according to the VT-d spec and causes big problems for
emulating software.
This patch uses the correct domain ID in IOTLB flushes.
Device IOTLB invalidation is performed only on present to non-present
changes. This decision is now based on explicit parameter instead of
zero domain-ID.

Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/intel-iommu.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 341da41cde8..1880ee06d70 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1064,7 +1064,7 @@ static void iommu_flush_dev_iotlb(struct dmar_domain *domain,
 }
 
 static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did,
-				  unsigned long pfn, unsigned int pages)
+				  unsigned long pfn, unsigned int pages, int map)
 {
 	unsigned int mask = ilog2(__roundup_pow_of_two(pages));
 	uint64_t addr = (uint64_t)pfn << VTD_PAGE_SHIFT;
@@ -1085,10 +1085,10 @@ static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did,
 						DMA_TLB_PSI_FLUSH);
 
 	/*
-	 * In caching mode, domain ID 0 is reserved for non-present to present
-	 * mapping flush. Device IOTLB doesn't need to be flushed in this case.
+	 * In caching mode, changes of pages from non-present to present require
+	 * flush. However, device IOTLB doesn't need to be flushed in this case.
 	 */
-	if (!cap_caching_mode(iommu->cap) || did)
+	if (!cap_caching_mode(iommu->cap) || !map)
 		iommu_flush_dev_iotlb(iommu->domains[did], addr, mask);
 }
 
@@ -1544,7 +1544,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, int segment,
 					   (((u16)bus) << 8) | devfn,
 					   DMA_CCMD_MASK_NOBIT,
 					   DMA_CCMD_DEVICE_INVL);
-		iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_DSI_FLUSH);
+		iommu->flush.flush_iotlb(iommu, domain->id, 0, 0, DMA_TLB_DSI_FLUSH);
 	} else {
 		iommu_flush_write_buffer(iommu);
 	}
@@ -2607,7 +2607,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
 
 	/* it's a non-present to present mapping. Only flush if caching mode */
 	if (cap_caching_mode(iommu->cap))
-		iommu_flush_iotlb_psi(iommu, 0, mm_to_dma_pfn(iova->pfn_lo), size);
+		iommu_flush_iotlb_psi(iommu, domain->id, mm_to_dma_pfn(iova->pfn_lo), size, 1);
 	else
 		iommu_flush_write_buffer(iommu);
 
@@ -2736,7 +2736,7 @@ static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr,
 
 	if (intel_iommu_strict) {
 		iommu_flush_iotlb_psi(iommu, domain->id, start_pfn,
-				      last_pfn - start_pfn + 1);
+				      last_pfn - start_pfn + 1, 0);
 		/* free iova */
 		__free_iova(&domain->iovad, iova);
 	} else {
@@ -2826,7 +2826,7 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
 
 	if (intel_iommu_strict) {
 		iommu_flush_iotlb_psi(iommu, domain->id, start_pfn,
-				      last_pfn - start_pfn + 1);
+				      last_pfn - start_pfn + 1, 0);
 		/* free iova */
 		__free_iova(&domain->iovad, iova);
 	} else {
@@ -2913,7 +2913,7 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
 
 	/* it's a non-present to present mapping. Only flush if caching mode */
 	if (cap_caching_mode(iommu->cap))
-		iommu_flush_iotlb_psi(iommu, 0, start_vpfn, size);
+		iommu_flush_iotlb_psi(iommu, domain->id, start_vpfn, size, 1);
 	else
 		iommu_flush_write_buffer(iommu);
 

From 78d5f0f500e6ba8f6cfd0673475ff4d941d705a2 Mon Sep 17 00:00:00 2001
From: Nadav Amit <nadav.amit@gmail.com>
Date: Thu, 8 Apr 2010 23:00:41 +0300
Subject: [PATCH 0255/3638] intel-iommu: Avoid global flushes with caching
 mode.

While it may be efficient on real hardware, emulation of global
invalidations is very expensive as all shadow entries must be examined.
This patch changes the behaviour when caching mode is enabled (which is
the case when IOMMU emulation takes place). In this case, page specific
invalidation is used instead.

Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/intel-iommu.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 1880ee06d70..9ce79b1bae8 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2647,15 +2647,24 @@ static void flush_unmaps(void)
 		if (!deferred_flush[i].next)
 			continue;
 
-		iommu->flush.flush_iotlb(iommu, 0, 0, 0,
+		/* In caching mode, global flushes turn emulation expensive */
+		if (!cap_caching_mode(iommu->cap))
+			iommu->flush.flush_iotlb(iommu, 0, 0, 0,
 					 DMA_TLB_GLOBAL_FLUSH);
 		for (j = 0; j < deferred_flush[i].next; j++) {
 			unsigned long mask;
 			struct iova *iova = deferred_flush[i].iova[j];
+			struct dmar_domain *domain = deferred_flush[i].domain[j];
 
-			mask = ilog2(mm_to_dma_pfn(iova->pfn_hi - iova->pfn_lo + 1));
-			iommu_flush_dev_iotlb(deferred_flush[i].domain[j],
-					(uint64_t)iova->pfn_lo << PAGE_SHIFT, mask);
+			/* On real hardware multiple invalidations are expensive */
+			if (cap_caching_mode(iommu->cap))
+				iommu_flush_iotlb_psi(iommu, domain->id,
+				iova->pfn_lo, iova->pfn_hi - iova->pfn_lo + 1, 0);
+			else {
+				mask = ilog2(mm_to_dma_pfn(iova->pfn_hi - iova->pfn_lo + 1));
+				iommu_flush_dev_iotlb(deferred_flush[i].domain[j],
+						(uint64_t)iova->pfn_lo << PAGE_SHIFT, mask);
+			}
 			__free_iova(&deferred_flush[i].domain[j]->iovad, iova);
 		}
 		deferred_flush[i].next = 0;

From 5715f0f9d3814e83e5f2f754d3f7abdfa096a0b9 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai@kernel.org>
Date: Thu, 8 Apr 2010 19:58:22 +0100
Subject: [PATCH 0256/3638] intel-iommu: Don't complain that
 ACPI_DMAR_SCOPE_TYPE_IOAPIC is not supported

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index ffe22bc3ac8..a04bde9bd10 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -130,9 +130,10 @@ static int __init dmar_parse_dev_scope(void *start, void *end, int *cnt,
 		if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT ||
 		    scope->entry_type == ACPI_DMAR_SCOPE_TYPE_BRIDGE)
 			(*cnt)++;
-		else
+		else if (scope->entry_type != ACPI_DMAR_SCOPE_TYPE_IOAPIC) {
 			printk(KERN_WARNING PREFIX
-				"Unsupported device scope\n");
+			       "Unsupported device scope\n");
+		}
 		start += scope->length;
 	}
 	if (*cnt == 0)

From 680a7524622356f5476e8fad2fe32b2b68b432c0 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai@kernel.org>
Date: Thu, 8 Apr 2010 19:58:23 +0100
Subject: [PATCH 0257/3638] intel-iommu: Print out iommu seq_id

more info on system with more than one IOMMU

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c           | 3 ++-
 drivers/pci/intel-iommu.c    | 9 ++++++---
 drivers/pci/intr_remapping.c | 6 +++---
 3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index a04bde9bd10..d439917f37a 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -806,7 +806,8 @@ int alloc_iommu(struct dmar_drhd_unit *drhd)
 	}
 
 	ver = readl(iommu->reg + DMAR_VER_REG);
-	pr_info("IOMMU %llx: ver %d:%d cap %llx ecap %llx\n",
+	pr_info("IOMMU %d: reg_base_addr %llx ver %d:%d cap %llx ecap %llx\n",
+		iommu->seq_id,
 		(unsigned long long)drhd->reg_base_addr,
 		DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver),
 		(unsigned long long)iommu->cap,
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 9ce79b1bae8..da40f078973 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1150,7 +1150,8 @@ static int iommu_init_domains(struct intel_iommu *iommu)
 	unsigned long nlongs;
 
 	ndomains = cap_ndoms(iommu->cap);
-	pr_debug("Number of Domains supportd <%ld>\n", ndomains);
+	pr_debug("IOMMU %d: Number of Domains supportd <%ld>\n", iommu->seq_id,
+			ndomains);
 	nlongs = BITS_TO_LONGS(ndomains);
 
 	spin_lock_init(&iommu->lock);
@@ -2319,14 +2320,16 @@ int __init init_dmars(void)
 			 */
 			iommu->flush.flush_context = __iommu_flush_context;
 			iommu->flush.flush_iotlb = __iommu_flush_iotlb;
-			printk(KERN_INFO "IOMMU 0x%Lx: using Register based "
+			printk(KERN_INFO "IOMMU %d 0x%Lx: using Register based "
 			       "invalidation\n",
+				iommu->seq_id,
 			       (unsigned long long)drhd->reg_base_addr);
 		} else {
 			iommu->flush.flush_context = qi_flush_context;
 			iommu->flush.flush_iotlb = qi_flush_iotlb;
-			printk(KERN_INFO "IOMMU 0x%Lx: using Queued "
+			printk(KERN_INFO "IOMMU %d 0x%Lx: using Queued "
 			       "invalidation\n",
+				iommu->seq_id,
 			       (unsigned long long)drhd->reg_base_addr);
 		}
 	}
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 95b849130ad..c13802a7e10 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -831,9 +831,9 @@ static int ir_parse_ioapic_hpet_scope(struct acpi_dmar_header *header,
 				return -1;
 			}
 
-			printk(KERN_INFO "IOAPIC id %d under DRHD base"
-			       " 0x%Lx\n", scope->enumeration_id,
-			       drhd->address);
+			printk(KERN_INFO "IOAPIC id %d under DRHD base "
+			       " 0x%Lx IOMMU %d\n", scope->enumeration_id,
+			       drhd->address, iommu->seq_id);
 
 			ir_parse_one_ioapic_scope(scope, iommu);
 		} else if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_HPET) {

From dda565492776b7dff5f8507298d868745e734aab Mon Sep 17 00:00:00 2001
From: Yinghai <yinghai.lu@oracle.com>
Date: Fri, 9 Apr 2010 01:07:55 +0100
Subject: [PATCH 0258/3638] intel-iommu: use physfn to search drhd for VF

When virtfn is used, we should use physfn to find correct drhd

-v2: add pci_physfn() Suggested by Roland Dreier <rdreier@cisco.com>
     do can remove ifdef in dmar.c
-v3: Chris pointed out we need that for dma_find_matched_atsr_unit too
     also change dmar_pci_device_match() static

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Roland Dreier <rdreier@cisco.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c  |  6 +++++-
 include/linux/pci.h | 10 ++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index d439917f37a..edc5f002e05 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -309,6 +309,8 @@ int dmar_find_matched_atsr_unit(struct pci_dev *dev)
 	struct acpi_dmar_atsr *atsr;
 	struct dmar_atsr_unit *atsru;
 
+	dev = pci_physfn(dev);
+
 	list_for_each_entry(atsru, &dmar_atsr_units, list) {
 		atsr = container_of(atsru->hdr, struct acpi_dmar_atsr, header);
 		if (atsr->segment == pci_domain_nr(dev->bus))
@@ -507,7 +509,7 @@ parse_dmar_table(void)
 	return ret;
 }
 
-int dmar_pci_device_match(struct pci_dev *devices[], int cnt,
+static int dmar_pci_device_match(struct pci_dev *devices[], int cnt,
 			  struct pci_dev *dev)
 {
 	int index;
@@ -530,6 +532,8 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev)
 	struct dmar_drhd_unit *dmaru = NULL;
 	struct acpi_dmar_hardware_unit *drhd;
 
+	dev = pci_physfn(dev);
+
 	list_for_each_entry(dmaru, &dmar_drhd_units, list) {
 		drhd = container_of(dmaru->hdr,
 				    struct acpi_dmar_hardware_unit,
diff --git a/include/linux/pci.h b/include/linux/pci.h
index a788fa12ff3..a327322a33a 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -334,6 +334,16 @@ struct pci_dev {
 #endif
 };
 
+static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
+{
+#ifdef CONFIG_PCI_IOV
+	if (dev->is_virtfn)
+		dev = dev->physfn;
+#endif
+
+	return dev;
+}
+
 extern struct pci_dev *alloc_pci_dev(void);
 
 #define pci_dev_b(n) list_entry(n, struct pci_dev, bus_list)

From fb8b5a39b6310379d7b54c0c7113703a8eaf4a57 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Wed, 7 Apr 2010 17:11:19 +0800
Subject: [PATCH 0259/3638] drm/i915: Configure the TV sense state correctly on
 GM45 to make TV detection reliable

The TV detection logic is not reliable on the Cantiga platform.
Sometimes the TV will be misdetected as the following two cases:
- TV is misdetected on some laptops. e.g. There is no TV connector
port or no TV is attached. But the TV is shown as connected.
- TV connector type is misdetected. e.g. the component TV is
attached, but the TV is shown as S-video type.

According to the hardware requirement, the TV sense state bits of TV DAC
register should be cleared to zero on Cantiga platfrom.

https://bugzilla.kernel.org/show_bug.cgi?id=14792

Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Tested-by: Santi <santi@agolina.net>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_tv.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index d7d39b2327d..eea593071e4 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1399,6 +1399,15 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_encoder *intel_encoder
 		   DAC_A_0_7_V |
 		   DAC_B_0_7_V |
 		   DAC_C_0_7_V);
+
+	/*
+	 * The TV sense state should be cleared to zero on cantiga platform. Otherwise
+	 * the TV is misdetected. This is hardware requirement.
+	 */
+	if (IS_GM45(dev))
+		tv_dac &= ~(TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL |
+			    TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL);
+
 	I915_WRITE(TV_CTL, tv_ctl);
 	I915_WRITE(TV_DAC, tv_dac);
 	intel_wait_for_vblank(dev);

From 903cf20c997053024b6ed72a746b429671fa8e8c Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 11 Mar 2010 16:41:45 +0800
Subject: [PATCH 0260/3638] drm/i915: Convert some trace events to DEFINE_TRACE

Use DECLARE_EVENT_CLASS to remove duplicate code:

   text    data     bss     dec     hex filename
  14655    2732      15   17402    43fa i915_trace_points.o.orig
  11625    2732      10   14367    381f i915_trace_points.o

8 events are converted:

  i915_gem_object:  i915_gem_object_{unbind, destroy}
  i915_gem_request: i915_gem_request_{complete, retire, wait_begin, wait_end}
  i915_ring:        i915_ring_{wait_begin, wait_end}

No functional change.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_trace.h | 92 ++++++++++---------------------
 1 file changed, 28 insertions(+), 64 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 01840d9bc38..303815321c7 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -115,7 +115,7 @@ TRACE_EVENT(i915_gem_object_get_fence,
 		      __entry->obj, __entry->fence, __entry->tiling_mode)
 );
 
-TRACE_EVENT(i915_gem_object_unbind,
+DECLARE_EVENT_CLASS(i915_gem_object,
 
 	    TP_PROTO(struct drm_gem_object *obj),
 
@@ -132,21 +132,18 @@ TRACE_EVENT(i915_gem_object_unbind,
 	    TP_printk("obj=%p", __entry->obj)
 );
 
-TRACE_EVENT(i915_gem_object_destroy,
+DEFINE_EVENT(i915_gem_object, i915_gem_object_unbind,
 
 	    TP_PROTO(struct drm_gem_object *obj),
 
-	    TP_ARGS(obj),
+	    TP_ARGS(obj)
+);
 
-	    TP_STRUCT__entry(
-			     __field(struct drm_gem_object *, obj)
-			     ),
+DEFINE_EVENT(i915_gem_object, i915_gem_object_destroy,
 
-	    TP_fast_assign(
-			   __entry->obj = obj;
-			   ),
+	    TP_PROTO(struct drm_gem_object *obj),
 
-	    TP_printk("obj=%p", __entry->obj)
+	    TP_ARGS(obj)
 );
 
 /* batch tracing */
@@ -197,8 +194,7 @@ TRACE_EVENT(i915_gem_request_flush,
 		      __entry->flush_domains, __entry->invalidate_domains)
 );
 
-
-TRACE_EVENT(i915_gem_request_complete,
+DECLARE_EVENT_CLASS(i915_gem_request,
 
 	    TP_PROTO(struct drm_device *dev, u32 seqno),
 
@@ -217,64 +213,35 @@ TRACE_EVENT(i915_gem_request_complete,
 	    TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno)
 );
 
-TRACE_EVENT(i915_gem_request_retire,
+DEFINE_EVENT(i915_gem_request, i915_gem_request_complete,
 
 	    TP_PROTO(struct drm_device *dev, u32 seqno),
 
-	    TP_ARGS(dev, seqno),
-
-	    TP_STRUCT__entry(
-			     __field(u32, dev)
-			     __field(u32, seqno)
-			     ),
-
-	    TP_fast_assign(
-			   __entry->dev = dev->primary->index;
-			   __entry->seqno = seqno;
-			   ),
-
-	    TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno)
+	    TP_ARGS(dev, seqno)
 );
 
-TRACE_EVENT(i915_gem_request_wait_begin,
+DEFINE_EVENT(i915_gem_request, i915_gem_request_retire,
 
 	    TP_PROTO(struct drm_device *dev, u32 seqno),
 
-	    TP_ARGS(dev, seqno),
-
-	    TP_STRUCT__entry(
-			     __field(u32, dev)
-			     __field(u32, seqno)
-			     ),
-
-	    TP_fast_assign(
-			   __entry->dev = dev->primary->index;
-			   __entry->seqno = seqno;
-			   ),
-
-	    TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno)
+	    TP_ARGS(dev, seqno)
 );
 
-TRACE_EVENT(i915_gem_request_wait_end,
+DEFINE_EVENT(i915_gem_request, i915_gem_request_wait_begin,
 
 	    TP_PROTO(struct drm_device *dev, u32 seqno),
 
-	    TP_ARGS(dev, seqno),
-
-	    TP_STRUCT__entry(
-			     __field(u32, dev)
-			     __field(u32, seqno)
-			     ),
-
-	    TP_fast_assign(
-			   __entry->dev = dev->primary->index;
-			   __entry->seqno = seqno;
-			   ),
-
-	    TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno)
+	    TP_ARGS(dev, seqno)
 );
 
-TRACE_EVENT(i915_ring_wait_begin,
+DEFINE_EVENT(i915_gem_request, i915_gem_request_wait_end,
+
+	    TP_PROTO(struct drm_device *dev, u32 seqno),
+
+	    TP_ARGS(dev, seqno)
+);
+
+DECLARE_EVENT_CLASS(i915_ring,
 
 	    TP_PROTO(struct drm_device *dev),
 
@@ -291,21 +258,18 @@ TRACE_EVENT(i915_ring_wait_begin,
 	    TP_printk("dev=%u", __entry->dev)
 );
 
-TRACE_EVENT(i915_ring_wait_end,
+DEFINE_EVENT(i915_ring, i915_ring_wait_begin,
 
 	    TP_PROTO(struct drm_device *dev),
 
-	    TP_ARGS(dev),
+	    TP_ARGS(dev)
+);
 
-	    TP_STRUCT__entry(
-			     __field(u32, dev)
-			     ),
+DEFINE_EVENT(i915_ring, i915_ring_wait_end,
 
-	    TP_fast_assign(
-			   __entry->dev = dev->primary->index;
-			   ),
+	    TP_PROTO(struct drm_device *dev),
 
-	    TP_printk("dev=%u", __entry->dev)
+	    TP_ARGS(dev)
 );
 
 #endif /* _I915_TRACE_H_ */

From 5bf4c9c469ffc64b85fed1f3d2b0c8b19909ed13 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Tue, 30 Mar 2010 14:39:26 +0800
Subject: [PATCH 0261/3638] drm/i915: use encoder_list for hotplug callback

Instead of walking through drm connector_list uses encoder_list
for calling hotplug functions which is consistent with intel display
hotplug reporting.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_irq.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5b53adfad40..c0ebcea2a37 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -255,11 +255,11 @@ static void i915_hotplug_work_func(struct work_struct *work)
 						    hotplug_work);
 	struct drm_device *dev = dev_priv->dev;
 	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *connector;
+	struct drm_encoder *encoder;
 
-	if (mode_config->num_connector) {
-		list_for_each_entry(connector, &mode_config->connector_list, head) {
-			struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	if (mode_config->num_encoder) {
+		list_for_each_entry(encoder, &mode_config->encoder_list, head) {
+			struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	
 			if (intel_encoder->hot_plug)
 				(*intel_encoder->hot_plug) (intel_encoder);

From c5e4df3382681c8ed214ee93bbe8f96044980485 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Tue, 30 Mar 2010 14:39:27 +0800
Subject: [PATCH 0262/3638] drm/i915: more conversion from connector_list walk
 to encoder_list

What we really want is encoder info instead of connector, so change
some more list walk in pipeline setup functions from connector_list
to encoder_list.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_display.c | 36 ++++++++++++++--------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 34d2652f405..412b442dc94 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -741,12 +741,11 @@ bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
 {
     struct drm_device *dev = crtc->dev;
     struct drm_mode_config *mode_config = &dev->mode_config;
-    struct drm_connector *l_entry;
+    struct drm_encoder *l_entry;
 
-    list_for_each_entry(l_entry, &mode_config->connector_list, head) {
-	    if (l_entry->encoder &&
-	        l_entry->encoder->crtc == crtc) {
-		    struct intel_encoder *intel_encoder = to_intel_encoder(l_entry);
+    list_for_each_entry(l_entry, &mode_config->encoder_list, head) {
+	    if (l_entry && l_entry->crtc == crtc) {
+		    struct intel_encoder *intel_encoder = enc_to_intel_encoder(l_entry);
 		    if (intel_encoder->type == type)
 			    return true;
 	    }
@@ -2923,7 +2922,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false;
 	bool is_edp = false;
 	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *connector;
+	struct drm_encoder *encoder;
+	struct intel_encoder *intel_encoder;
 	const intel_limit_t *limit;
 	int ret;
 	struct fdi_m_n m_n = {0};
@@ -2941,12 +2941,13 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 	drm_vblank_pre_modeset(dev, pipe);
 
-	list_for_each_entry(connector, &mode_config->connector_list, head) {
-		struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	list_for_each_entry(encoder, &mode_config->encoder_list, head) {
 
-		if (!connector->encoder || connector->encoder->crtc != crtc)
+		if (!encoder || encoder->crtc != crtc)
 			continue;
 
+		intel_encoder = enc_to_intel_encoder(encoder);
+
 		switch (intel_encoder->type) {
 		case INTEL_OUTPUT_LVDS:
 			is_lvds = true;
@@ -4391,14 +4392,14 @@ struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
 	return crtc;
 }
 
-static int intel_connector_clones(struct drm_device *dev, int type_mask)
+static int intel_encoder_clones(struct drm_device *dev, int type_mask)
 {
 	int index_mask = 0;
-	struct drm_connector *connector;
+	struct drm_encoder *encoder;
 	int entry = 0;
 
-        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 		if (type_mask & intel_encoder->clone_mask)
 			index_mask |= (1 << entry);
 		entry++;
@@ -4410,7 +4411,7 @@ static int intel_connector_clones(struct drm_device *dev, int type_mask)
 static void intel_setup_outputs(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_connector *connector;
+	struct drm_encoder *encoder;
 
 	intel_crt_init(dev);
 
@@ -4493,12 +4494,11 @@ static void intel_setup_outputs(struct drm_device *dev)
 	if (SUPPORTS_TV(dev))
 		intel_tv_init(dev);
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-		struct drm_encoder *encoder = &intel_encoder->enc;
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 
 		encoder->possible_crtcs = intel_encoder->crtc_mask;
-		encoder->possible_clones = intel_connector_clones(dev,
+		encoder->possible_clones = intel_encoder_clones(dev,
 						intel_encoder->clone_mask);
 	}
 }

From 5daa55eba7d7219616423c6955e90a8f196294a5 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Tue, 30 Mar 2010 14:39:28 +0800
Subject: [PATCH 0263/3638] drm/i915: Add new 'intel_connector' structure

This adds new structure of intel_connector to present drm's
connector object, which is used to convert from origin single
output into encoder/connector model.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_drv.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index e30253755f1..d48c31220e0 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -110,6 +110,11 @@ struct intel_encoder {
 	int clone_mask;
 };
 
+struct intel_connector {
+	struct drm_connector base;
+	void *dev_priv;
+};
+
 struct intel_crtc;
 struct intel_overlay {
 	struct drm_device *dev;
@@ -153,6 +158,7 @@ struct intel_crtc {
 
 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
+#define to_intel_connector(x) container_of(x, struct intel_connector, base)
 #define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc)
 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
 

From f1c79df3aa2eda4756ddfe976f2eb5aa6507a35a Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Tue, 30 Mar 2010 14:39:29 +0800
Subject: [PATCH 0264/3638] drm/i915: Add new helper to return current attached
 encoder for connector

For introducing splitted encoder/connector structure, this helper will return
connector's attached encoder when needed.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_display.c | 25 +++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_drv.h     |  1 +
 2 files changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 412b442dc94..f9e11e86342 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4982,6 +4982,31 @@ struct drm_encoder *intel_best_encoder(struct drm_connector *connector)
 	return &intel_encoder->enc;
 }
 
+/*
+ * Return which encoder is currently attached for connector.
+ */
+struct drm_encoder *intel_attached_encoder (struct drm_connector *connector)
+{
+	struct drm_mode_object *obj;
+	struct drm_encoder *encoder;
+	int i;
+
+	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+		if (connector->encoder_ids[i] == 0)
+			break;
+
+		obj = drm_mode_object_find(connector->dev,
+                                           connector->encoder_ids[i],
+                                           DRM_MODE_OBJECT_ENCODER);
+		if (!obj)
+			continue;
+
+		encoder = obj_to_encoder(obj);
+		return encoder;
+	}
+	return NULL;
+}
+
 /*
  * set vga decode state - true == enable VGA decode
  */
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index d48c31220e0..5b2e3b21980 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -190,6 +190,7 @@ extern void intel_encoder_prepare (struct drm_encoder *encoder);
 extern void intel_encoder_commit (struct drm_encoder *encoder);
 
 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
+extern struct drm_encoder *intel_attached_encoder(struct drm_connector *connector);
 
 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
 						    struct drm_crtc *crtc);

From c1c43977e6fc789cbde094303fa9ace629a35aca Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Tue, 30 Mar 2010 14:39:30 +0800
Subject: [PATCH 0265/3638] drm/i915: passing drm connector param for load
 detection

In load detection, connector's encoder assignment must be kept
consistent for proper mode setting, and this makes connector as
explicit parameter for load detect function to not require single
data structure to hold both encoder and connector reference, ease
the transition for splitted encoder/connector model.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_crt.c     | 5 +++--
 drivers/gpu/drm/i915/intel_display.c | 8 +++++---
 drivers/gpu/drm/i915/intel_drv.h     | 2 ++
 drivers/gpu/drm/i915/intel_tv.c      | 6 ++++--
 4 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 36c4ad7fb3b..b96574ea470 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -406,11 +406,12 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
 	if (encoder->crtc && encoder->crtc->enabled) {
 		status = intel_crt_load_detect(encoder->crtc, intel_encoder);
 	} else {
-		crtc = intel_get_load_detect_pipe(intel_encoder,
+		crtc = intel_get_load_detect_pipe(intel_encoder, connector,
 						  NULL, &dpms_mode);
 		if (crtc) {
 			status = intel_crt_load_detect(crtc, intel_encoder);
-			intel_release_load_detect_pipe(intel_encoder, dpms_mode);
+			intel_release_load_detect_pipe(intel_encoder,
+						       connector, dpms_mode);
 		} else
 			status = connector_status_unknown;
 	}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f9e11e86342..5a698008206 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3671,6 +3671,7 @@ static struct drm_display_mode load_detect_mode = {
 };
 
 struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
+					    struct drm_connector *connector,
 					    struct drm_display_mode *mode,
 					    int *dpms_mode)
 {
@@ -3729,7 +3730,7 @@ struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
 	}
 
 	encoder->crtc = crtc;
-	intel_encoder->base.encoder = encoder;
+	connector->encoder = encoder;
 	intel_encoder->load_detect_temp = true;
 
 	intel_crtc = to_intel_crtc(crtc);
@@ -3755,7 +3756,8 @@ struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
 	return crtc;
 }
 
-void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, int dpms_mode)
+void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
+				    struct drm_connector *connector, int dpms_mode)
 {
 	struct drm_encoder *encoder = &intel_encoder->enc;
 	struct drm_device *dev = encoder->dev;
@@ -3765,7 +3767,7 @@ void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, int dpm
 
 	if (intel_encoder->load_detect_temp) {
 		encoder->crtc = NULL;
-		intel_encoder->base.encoder = NULL;
+		connector->encoder = NULL;
 		intel_encoder->load_detect_temp = false;
 		crtc->enabled = drm_helper_crtc_in_use(crtc);
 		drm_helper_disable_unused_functions(dev);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5b2e3b21980..4741713df74 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -199,9 +199,11 @@ int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
 extern void intel_wait_for_vblank(struct drm_device *dev);
 extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
 extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
+						   struct drm_connector *connector,
 						   struct drm_display_mode *mode,
 						   int *dpms_mode);
 extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
+					   struct drm_connector *connector,
 					   int dpms_mode);
 
 extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index eea593071e4..dd5e2e84b2b 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1496,10 +1496,12 @@ intel_tv_detect(struct drm_connector *connector)
 	if (encoder->crtc && encoder->crtc->enabled) {
 		type = intel_tv_detect_type(encoder->crtc, intel_encoder);
 	} else {
-		crtc = intel_get_load_detect_pipe(intel_encoder, &mode, &dpms_mode);
+		crtc = intel_get_load_detect_pipe(intel_encoder, connector,
+						  &mode, &dpms_mode);
 		if (crtc) {
 			type = intel_tv_detect_type(crtc, intel_encoder);
-			intel_release_load_detect_pipe(intel_encoder, dpms_mode);
+			intel_release_load_detect_pipe(intel_encoder, connector,
+						       dpms_mode);
 		} else
 			type = -1;
 	}

From 335af9a235a82842854b394507ab5e310d88be42 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Tue, 30 Mar 2010 14:39:31 +0800
Subject: [PATCH 0266/3638] drm/i915: change intel_ddc_get_modes() function
 parameters

This one replaces original param for intel_ddc_get_modes() with
DRM connector and i2c bus adapter instead. With explicit params,
we won't require that a single driver structure must hold connector
and DDC bus reference, which ease the conversion to splitted encoder/
connector model.

It also clears up for some cases that we would steal other DDC bus
for mode probe, like VGA analog DDC probe for DVI-I. Also it fixed
a bug in old DVI-I probe handling, that failed to restore origin
analog GPIO port.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_crt.c   | 15 ++++++---------
 drivers/gpu/drm/i915/intel_dp.c    |  2 +-
 drivers/gpu/drm/i915/intel_drv.h   |  2 +-
 drivers/gpu/drm/i915/intel_dvo.c   |  2 +-
 drivers/gpu/drm/i915/intel_hdmi.c  |  2 +-
 drivers/gpu/drm/i915/intel_lvds.c  |  4 ++--
 drivers/gpu/drm/i915/intel_modes.c | 21 +++++++++++----------
 drivers/gpu/drm/i915/intel_sdvo.c  | 13 +++----------
 8 files changed, 26 insertions(+), 35 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index b96574ea470..4dd5daa8ebe 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -433,28 +433,25 @@ static int intel_crt_get_modes(struct drm_connector *connector)
 {
 	int ret;
 	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct i2c_adapter *ddcbus;
+	struct i2c_adapter *ddc_bus;
 	struct drm_device *dev = connector->dev;
 
 
-	ret = intel_ddc_get_modes(intel_encoder);
+	ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
 	if (ret || !IS_G4X(dev))
 		goto end;
 
-	ddcbus = intel_encoder->ddc_bus;
 	/* Try to probe digital port for output in DVI-I -> VGA mode. */
-	intel_encoder->ddc_bus =
-		intel_i2c_create(connector->dev, GPIOD, "CRTDDC_D");
+	ddc_bus = intel_i2c_create(connector->dev, GPIOD, "CRTDDC_D");
 
-	if (!intel_encoder->ddc_bus) {
-		intel_encoder->ddc_bus = ddcbus;
+	if (!ddc_bus) {
 		dev_printk(KERN_ERR, &connector->dev->pdev->dev,
 			   "DDC bus registration failed for CRTDDC_D.\n");
 		goto end;
 	}
 	/* Try to get modes by GPIOD port */
-	ret = intel_ddc_get_modes(intel_encoder);
-	intel_i2c_destroy(ddcbus);
+	ret = intel_ddc_get_modes(connector, ddc_bus);
+	intel_i2c_destroy(ddc_bus);
 
 end:
 	return ret;
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 0a7e3264dac..6064fd70a42 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1229,7 +1229,7 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 	/* We should parse the EDID data and find out if it has an audio sink
 	 */
 
-	ret = intel_ddc_get_modes(intel_encoder);
+	ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 4741713df74..c15ec471c84 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -165,7 +165,7 @@ struct intel_crtc {
 struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
 				     const char *name);
 void intel_i2c_destroy(struct i2c_adapter *adapter);
-int intel_ddc_get_modes(struct intel_encoder *intel_encoder);
+int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
 extern bool intel_ddc_probe(struct intel_encoder *intel_encoder);
 void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
 void intel_i2c_reset_gmbus(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 62282f34eba..a3e6efa38c7 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -256,7 +256,7 @@ static int intel_dvo_get_modes(struct drm_connector *connector)
 	 * (TV-out, for example), but for now with just TMDS and LVDS,
 	 * that's not the case.
 	 */
-	intel_ddc_get_modes(intel_encoder);
+	intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
 	if (!list_empty(&connector->probed_modes))
 		return 1;
 
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 9777504afeb..74823e77b2f 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -179,7 +179,7 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
 	 * we can send audio to it.
 	 */
 
-	return intel_ddc_get_modes(intel_encoder);
+	return intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
 }
 
 static void intel_hdmi_destroy(struct drm_connector *connector)
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 527cfa2626b..a3b82081e1a 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -639,7 +639,7 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
 	int ret = 0;
 
 	if (dev_priv->lvds_edid_good) {
-		ret = intel_ddc_get_modes(intel_encoder);
+		ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
 
 		if (ret)
 			return ret;
@@ -1066,7 +1066,7 @@ void intel_lvds_init(struct drm_device *dev)
 	 */
 	dev_priv->lvds_edid_good = true;
 
-	if (!intel_ddc_get_modes(intel_encoder))
+	if (!intel_ddc_get_modes(connector, intel_encoder->ddc_bus))
 		dev_priv->lvds_edid_good = false;
 
 	list_for_each_entry(scan, &connector->probed_modes, head) {
diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
index 3111a1c2731..9562176defc 100644
--- a/drivers/gpu/drm/i915/intel_modes.c
+++ b/drivers/gpu/drm/i915/intel_modes.c
@@ -53,9 +53,9 @@ bool intel_ddc_probe(struct intel_encoder *intel_encoder)
 		}
 	};
 
-	intel_i2c_quirk_set(intel_encoder->base.dev, true);
+	intel_i2c_quirk_set(intel_encoder->enc.dev, true);
 	ret = i2c_transfer(intel_encoder->ddc_bus, msgs, 2);
-	intel_i2c_quirk_set(intel_encoder->base.dev, false);
+	intel_i2c_quirk_set(intel_encoder->enc.dev, false);
 	if (ret == 2)
 		return true;
 
@@ -65,22 +65,23 @@ bool intel_ddc_probe(struct intel_encoder *intel_encoder)
 /**
  * intel_ddc_get_modes - get modelist from monitor
  * @connector: DRM connector device to use
+ * @adapter: i2c adapter
  *
  * Fetch the EDID information from @connector using the DDC bus.
  */
-int intel_ddc_get_modes(struct intel_encoder *intel_encoder)
+int intel_ddc_get_modes(struct drm_connector *connector,
+			struct i2c_adapter *adapter)
 {
 	struct edid *edid;
 	int ret = 0;
 
-	intel_i2c_quirk_set(intel_encoder->base.dev, true);
-	edid = drm_get_edid(&intel_encoder->base, intel_encoder->ddc_bus);
-	intel_i2c_quirk_set(intel_encoder->base.dev, false);
+	intel_i2c_quirk_set(connector->dev, true);
+	edid = drm_get_edid(connector, adapter);
+	intel_i2c_quirk_set(connector->dev, false);
 	if (edid) {
-		drm_mode_connector_update_edid_property(&intel_encoder->base,
-							edid);
-		ret = drm_add_edid_modes(&intel_encoder->base, edid);
-		intel_encoder->base.display_info.raw_edid = NULL;
+		drm_mode_connector_update_edid_property(connector, edid);
+		ret = drm_add_edid_modes(connector, edid);
+		connector->display_info.raw_edid = NULL;
 		kfree(edid);
 	}
 
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index a5b049f9491..097819c51a1 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1729,7 +1729,7 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
 	int num_modes;
 
 	/* set the bus switch and get the modes */
-	num_modes = intel_ddc_get_modes(intel_encoder);
+	num_modes = intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
 
 	/*
 	 * Mac mini hack.  On this device, the DVI-I connector shares one DDC
@@ -1740,16 +1740,9 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
 	if (num_modes == 0 &&
 	    sdvo_priv->analog_ddc_bus &&
 	    !intel_analog_is_connected(intel_encoder->base.dev)) {
-		struct i2c_adapter *digital_ddc_bus;
-
 		/* Switch to the analog ddc bus and try that
 		 */
-		digital_ddc_bus = intel_encoder->ddc_bus;
-		intel_encoder->ddc_bus = sdvo_priv->analog_ddc_bus;
-
-		(void) intel_ddc_get_modes(intel_encoder);
-
-		intel_encoder->ddc_bus = digital_ddc_bus;
+		(void) intel_ddc_get_modes(connector, sdvo_priv->analog_ddc_bus);
 	}
 }
 
@@ -1872,7 +1865,7 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
 	 * Assume that the preferred modes are
 	 * arranged in priority order.
 	 */
-	intel_ddc_get_modes(intel_encoder);
+	intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
 	if (list_empty(&connector->probed_modes) == false)
 		goto end;
 

From 522032da7ed3068cf79f733fb836118d908b7719 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Fri, 9 Apr 2010 16:52:49 +0000
Subject: [PATCH 0267/3638] drm/edid: When checking duplicate standard modes,
 walked the probed list

... and not the global list.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 0f8c06311cf..df7a1abfe7e 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -847,7 +847,7 @@ drm_mode_std(struct drm_connector *connector, struct edid *edid,
 	 * instead.  This way we don't have to guess at interlace or
 	 * reduced blanking.
 	 */
-	list_for_each_entry(m, &connector->modes, head)
+	list_for_each_entry(m, &connector->probed_modes, head)
 		if (m->hdisplay == hsize && m->vdisplay == vsize &&
 		    drm_mode_vrefresh(m) == vrefresh_rate)
 			return NULL;

From 4a96b4fcd6b35e9233df07b3c9ab38091edcfe7e Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 4 Apr 2010 15:19:52 +0200
Subject: [PATCH 0268/3638] firewire: ohci: add a function for reading PHY
 registers

Move the register reading code from ohci_update_phy_reg() into
a function which can be used separately.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/ohci.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index e33917bf97d..8ebccda94df 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -460,22 +460,36 @@ static inline void flush_writes(const struct fw_ohci *ohci)
 	reg_read(ohci, OHCI1394_Version);
 }
 
-static int ohci_update_phy_reg(struct fw_card *card, int addr,
-			       int clear_bits, int set_bits)
+static int read_phy_reg(struct fw_card *card, int addr, u32 *value)
 {
 	struct fw_ohci *ohci = fw_ohci(card);
-	u32 val, old;
+	u32 val;
 
 	reg_write(ohci, OHCI1394_PhyControl, OHCI1394_PhyControl_Read(addr));
 	flush_writes(ohci);
 	msleep(2);
 	val = reg_read(ohci, OHCI1394_PhyControl);
 	if ((val & OHCI1394_PhyControl_ReadDone) == 0) {
-		fw_error("failed to set phy reg bits.\n");
+		fw_error("failed to read phy reg bits\n");
 		return -EBUSY;
 	}
 
-	old = OHCI1394_PhyControl_ReadData(val);
+	*value = OHCI1394_PhyControl_ReadData(val);
+
+	return 0;
+}
+
+static int ohci_update_phy_reg(struct fw_card *card, int addr,
+			       int clear_bits, int set_bits)
+{
+	struct fw_ohci *ohci = fw_ohci(card);
+	u32 old;
+	int err;
+
+	err = read_phy_reg(card, addr, &old);
+	if (err < 0)
+		return err;
+
 	old = (old & ~clear_bits) | set_bits;
 	reg_write(ohci, OHCI1394_PhyControl,
 		  OHCI1394_PhyControl_Write(addr, old));

From e7014dada041982ae12ba7fd1967ca0ab0243e04 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Thu, 1 Apr 2010 16:40:18 +0200
Subject: [PATCH 0269/3638] firewire: ohci: do not clear PHY interrupt status
 inadvertently

The interrupt status bits in PHY register 5 are cleared by writing a one
bit.  To avoid clearing them unadvertently, do not write them back when
they were read as set, but only when they have been explicitly requested
to be set.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/core.h | 1 +
 drivers/firewire/ohci.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index fb0321300cc..b2a7b651473 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -28,6 +28,7 @@ struct fw_packet;
 #define PHY_CONTENDER		0x40
 #define PHY_BUS_RESET		0x40
 #define PHY_BUS_SHORT_RESET	0x40
+#define PHY_INT_STATUS_BITS	0x3c
 
 #define BANDWIDTH_AVAILABLE_INITIAL	4915
 #define BROADCAST_CHANNEL_INITIAL	(1 << 31 | 31)
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 8ebccda94df..525848f71c3 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -490,6 +490,13 @@ static int ohci_update_phy_reg(struct fw_card *card, int addr,
 	if (err < 0)
 		return err;
 
+	/*
+	 * The interrupt status bits are cleared by writing a one bit.
+	 * Avoid clearing them unless explicitly requested in set_bits.
+	 */
+	if (addr == 5)
+		clear_bits |= PHY_INT_STATUS_BITS;
+
 	old = (old & ~clear_bits) | set_bits;
 	reg_write(ohci, OHCI1394_PhyControl,
 		  OHCI1394_PhyControl_Write(addr, old));

From 925e7a6504966b838c519f009086982c68e0666f Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 4 Apr 2010 15:19:54 +0200
Subject: [PATCH 0270/3638] firewire: ohci: enable 1394a enhancements

The OHCI spec says that, if the programPhyEnable bit is set, the driver
is responsible for configuring the IEEE1394a enhancements within the PHY
and the link consistently.  So do this.

Also add a quirk to allow disabling these enhancements; this is needed
for the TSB12LV22 where ack accelerations are buggy (erratum b).

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/core.h |  4 ++
 drivers/firewire/ohci.c | 83 ++++++++++++++++++++++++++++++++++++++++-
 drivers/firewire/ohci.h |  2 +-
 3 files changed, 86 insertions(+), 3 deletions(-)

diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index b2a7b651473..7a9759bf683 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -27,8 +27,12 @@ struct fw_packet;
 #define PHY_LINK_ACTIVE		0x80
 #define PHY_CONTENDER		0x40
 #define PHY_BUS_RESET		0x40
+#define PHY_EXTENDED_REGISTERS	0xe0
 #define PHY_BUS_SHORT_RESET	0x40
 #define PHY_INT_STATUS_BITS	0x3c
+#define PHY_ENABLE_ACCEL	0x02
+#define PHY_ENABLE_MULTI	0x01
+#define PHY_PAGE_SELECT		0xe0
 
 #define BANDWIDTH_AVAILABLE_INITIAL	4915
 #define BROADCAST_CHANNEL_INITIAL	(1 << 31 | 31)
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 525848f71c3..e934713f3fc 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -236,13 +236,15 @@ static char ohci_driver_name[] = KBUILD_MODNAME;
 #define QUIRK_CYCLE_TIMER		1
 #define QUIRK_RESET_PACKET		2
 #define QUIRK_BE_HEADERS		4
+#define QUIRK_NO_1394A			8
 
 /* In case of multiple matches in ohci_quirks[], only the first one is used. */
 static const struct {
 	unsigned short vendor, device, flags;
 } ohci_quirks[] = {
 	{PCI_VENDOR_ID_TI,	PCI_DEVICE_ID_TI_TSB12LV22, QUIRK_CYCLE_TIMER |
-							    QUIRK_RESET_PACKET},
+							    QUIRK_RESET_PACKET |
+							    QUIRK_NO_1394A},
 	{PCI_VENDOR_ID_TI,	PCI_ANY_ID,	QUIRK_RESET_PACKET},
 	{PCI_VENDOR_ID_AL,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
 	{PCI_VENDOR_ID_NEC,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
@@ -257,6 +259,7 @@ MODULE_PARM_DESC(quirks, "Chip quirks (default = 0"
 	", nonatomic cycle timer = "	__stringify(QUIRK_CYCLE_TIMER)
 	", reset packet generation = "	__stringify(QUIRK_RESET_PACKET)
 	", AR/selfID endianess = "	__stringify(QUIRK_BE_HEADERS)
+	", no 1394a enhancements = "	__stringify(QUIRK_NO_1394A)
 	")");
 
 #ifdef CONFIG_FIREWIRE_OHCI_DEBUG
@@ -504,6 +507,27 @@ static int ohci_update_phy_reg(struct fw_card *card, int addr,
 	return 0;
 }
 
+static int read_paged_phy_reg(struct fw_card *card,
+			      int page, int addr, u32 *value)
+{
+	struct fw_ohci *ohci = fw_ohci(card);
+	u32 reg;
+	int err;
+
+	err = ohci_update_phy_reg(card, 7, PHY_PAGE_SELECT, page << 5);
+	if (err < 0)
+		return err;
+	flush_writes(ohci);
+	msleep(2);
+	reg = reg_read(ohci, OHCI1394_PhyControl);
+	if ((reg & OHCI1394_PhyControl_WritePending) != 0) {
+		fw_error("failed to write phy reg bits\n");
+		return -EBUSY;
+	}
+
+	return read_phy_reg(card, addr, value);
+}
+
 static int ar_context_add_page(struct ar_context *ctx)
 {
 	struct device *dev = ctx->ohci->card.device;
@@ -1511,13 +1535,64 @@ static void copy_config_rom(__be32 *dest, const __be32 *src, size_t length)
 		memset(&dest[length], 0, CONFIG_ROM_SIZE - size);
 }
 
+static int configure_1394a_enhancements(struct fw_ohci *ohci)
+{
+	bool enable_1394a;
+	u32 reg, phy_compliance;
+	int clear, set, offset;
+
+	/* Check if the driver should configure link and PHY. */
+	if (!(reg_read(ohci, OHCI1394_HCControlSet) &
+	      OHCI1394_HCControl_programPhyEnable))
+		return 0;
+
+	/* Paranoia: check whether the PHY supports 1394a, too. */
+	enable_1394a = false;
+	if (read_phy_reg(&ohci->card, 2, &reg) < 0)
+		return -EIO;
+	if ((reg & PHY_EXTENDED_REGISTERS) == PHY_EXTENDED_REGISTERS) {
+		if (read_paged_phy_reg(&ohci->card, 1, 8, &phy_compliance) < 0)
+			return -EIO;
+		if (phy_compliance >= 1)
+			enable_1394a = true;
+	}
+
+	if (ohci->quirks & QUIRK_NO_1394A)
+		enable_1394a = false;
+
+	/* Configure PHY and link consistently. */
+	if (enable_1394a) {
+		clear = 0;
+		set = PHY_ENABLE_ACCEL | PHY_ENABLE_MULTI;
+	} else {
+		clear = PHY_ENABLE_ACCEL | PHY_ENABLE_MULTI;
+		set = 0;
+	}
+	if (ohci_update_phy_reg(&ohci->card, 5, clear, set) < 0)
+		return -EIO;
+	flush_writes(ohci);
+	msleep(2);
+
+	if (enable_1394a)
+		offset = OHCI1394_HCControlSet;
+	else
+		offset = OHCI1394_HCControlClear;
+	reg_write(ohci, offset, OHCI1394_HCControl_aPhyEnhanceEnable);
+
+	/* Clean up: configuration has been taken care of. */
+	reg_write(ohci, OHCI1394_HCControlClear,
+		  OHCI1394_HCControl_programPhyEnable);
+
+	return 0;
+}
+
 static int ohci_enable(struct fw_card *card,
 		       const __be32 *config_rom, size_t length)
 {
 	struct fw_ohci *ohci = fw_ohci(card);
 	struct pci_dev *dev = to_pci_dev(card->device);
 	u32 lps;
-	int i;
+	int i, err;
 
 	if (software_reset(ohci)) {
 		fw_error("Failed to reset ohci card.\n");
@@ -1581,6 +1656,10 @@ static int ohci_enable(struct fw_card *card,
 	if (param_debug & OHCI_PARAM_DEBUG_BUSRESETS)
 		reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset);
 
+	err = configure_1394a_enhancements(ohci);
+	if (err < 0)
+		return err;
+
 	/* Activate link_on bit and contender bit in our self ID packets.*/
 	if (ohci_update_phy_reg(card, 4, 0,
 				PHY_LINK_ACTIVE | PHY_CONTENDER) < 0)
diff --git a/drivers/firewire/ohci.h b/drivers/firewire/ohci.h
index ba492d85c51..d49e1469a98 100644
--- a/drivers/firewire/ohci.h
+++ b/drivers/firewire/ohci.h
@@ -67,7 +67,7 @@
 #define   OHCI1394_PhyControl_ReadDone		0x80000000
 #define   OHCI1394_PhyControl_ReadData(r)	(((r) & 0x00ff0000) >> 16)
 #define   OHCI1394_PhyControl_Write(addr, data)	(((addr) << 8) | (data) | 0x00004000)
-#define   OHCI1394_PhyControl_WriteDone		0x00004000
+#define   OHCI1394_PhyControl_WritePending	0x00004000
 #define OHCI1394_IsochronousCycleTimer        0x0F0
 #define OHCI1394_AsReqFilterHiSet             0x100
 #define OHCI1394_AsReqFilterHiClear           0x104

From 54672386ccf36ffa21d1de8e75624af83f9b0eeb Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Thu, 1 Apr 2010 16:43:59 +0200
Subject: [PATCH 0271/3638] firewire: ohci: fix up configuration of TI chips

On TI chips (OHCI-Lynx and later), enable link enhancements features
that TI recommends to be used.  None of these are required for proper
operation, but they are safe and nice to have.

In theory, these bits should have been set by default, but in practice,
some BIOS/EEPROM writers apparently do not read the datasheet, or get
spooked by names like "unfair".

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/ohci.c | 19 ++++++++++++++++++-
 drivers/firewire/ohci.h |  8 ++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index e934713f3fc..6a27a0ef3b6 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2431,7 +2431,7 @@ static int __devinit pci_probe(struct pci_dev *dev,
 			       const struct pci_device_id *ent)
 {
 	struct fw_ohci *ohci;
-	u32 bus_options, max_receive, link_speed, version;
+	u32 bus_options, max_receive, link_speed, version, link_enh;
 	u64 guid;
 	int i, err, n_ir, n_it;
 	size_t size;
@@ -2484,6 +2484,23 @@ static int __devinit pci_probe(struct pci_dev *dev,
 	if (param_quirks)
 		ohci->quirks = param_quirks;
 
+	/* TI OHCI-Lynx and compatible: set recommended configuration bits. */
+	if (dev->vendor == PCI_VENDOR_ID_TI) {
+		pci_read_config_dword(dev, PCI_CFG_TI_LinkEnh, &link_enh);
+
+		/* adjust latency of ATx FIFO: use 1.7 KB threshold */
+		link_enh &= ~TI_LinkEnh_atx_thresh_mask;
+		link_enh |= TI_LinkEnh_atx_thresh_1_7K;
+
+		/* use priority arbitration for asynchronous responses */
+		link_enh |= TI_LinkEnh_enab_unfair;
+
+		/* required for aPhyEnhanceEnable to work */
+		link_enh |= TI_LinkEnh_enab_accel;
+
+		pci_write_config_dword(dev, PCI_CFG_TI_LinkEnh, link_enh);
+	}
+
 	ar_context_init(&ohci->ar_request_ctx, ohci,
 			OHCI1394_AsReqRcvContextControlSet);
 
diff --git a/drivers/firewire/ohci.h b/drivers/firewire/ohci.h
index d49e1469a98..3bc9a5d744e 100644
--- a/drivers/firewire/ohci.h
+++ b/drivers/firewire/ohci.h
@@ -154,4 +154,12 @@
 
 #define OHCI1394_phy_tcode		0xe
 
+/* TI extensions */
+
+#define PCI_CFG_TI_LinkEnh		0xf4
+#define  TI_LinkEnh_enab_accel		0x00000002
+#define  TI_LinkEnh_enab_unfair		0x00000080
+#define  TI_LinkEnh_atx_thresh_mask	0x00003000
+#define  TI_LinkEnh_atx_thresh_1_7K	0x00001000
+
 #endif /* _FIREWIRE_OHCI_H */

From 35d999b12037b5ea0152889232629c25d45b0e26 Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Sat, 10 Apr 2010 16:04:56 +0200
Subject: [PATCH 0272/3638] firewire: ohci: wait for PHY register accesses to
 complete

Rather than having the arbitrary msleep(2) pause, let read_phy_reg()
loop until the link--phy access was finished.

Factor write_phy_reg() out of ohci_update_phy_reg() and of
read_paged_phy_reg() and let it loop too until the link--phy access was
finished.

Like in the older ohci1394 driver, a timeout of 100 milliseconds is
chosen.  Unlike the old driver, we sleep instead of busy-wait in each
waiting loop iteration.  Instead of a loop, the waiting could probably
also be implemented interrupt driven, but why bother.  It would require
up and running interrupt handling before the link was fully configured
and enabled.

Also modify functions a bit:  Error return and value return can be
combined in read_phy_reg() since the domain of values is only u8.
Likewise in read_paged_phy_reg().

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/ohci.c | 112 ++++++++++++++++++++--------------------
 1 file changed, 57 insertions(+), 55 deletions(-)

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 6a27a0ef3b6..5bbf42eb3f9 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -463,35 +463,51 @@ static inline void flush_writes(const struct fw_ohci *ohci)
 	reg_read(ohci, OHCI1394_Version);
 }
 
-static int read_phy_reg(struct fw_card *card, int addr, u32 *value)
+static int read_phy_reg(struct fw_ohci *ohci, int addr)
 {
-	struct fw_ohci *ohci = fw_ohci(card);
 	u32 val;
+	int i;
 
 	reg_write(ohci, OHCI1394_PhyControl, OHCI1394_PhyControl_Read(addr));
-	flush_writes(ohci);
-	msleep(2);
-	val = reg_read(ohci, OHCI1394_PhyControl);
-	if ((val & OHCI1394_PhyControl_ReadDone) == 0) {
-		fw_error("failed to read phy reg bits\n");
-		return -EBUSY;
+	for (i = 0; i < 10; i++) {
+		val = reg_read(ohci, OHCI1394_PhyControl);
+		if (val & OHCI1394_PhyControl_ReadDone)
+			return OHCI1394_PhyControl_ReadData(val);
+
+		msleep(1);
 	}
+	fw_error("failed to read phy reg\n");
 
-	*value = OHCI1394_PhyControl_ReadData(val);
+	return -EBUSY;
+}
 
-	return 0;
+static int write_phy_reg(const struct fw_ohci *ohci, int addr, u32 val)
+{
+	int i;
+
+	reg_write(ohci, OHCI1394_PhyControl,
+		  OHCI1394_PhyControl_Write(addr, val));
+	for (i = 0; i < 100; i++) {
+		val = reg_read(ohci, OHCI1394_PhyControl);
+		if (!(val & OHCI1394_PhyControl_WritePending))
+			return 0;
+
+		msleep(1);
+	}
+	fw_error("failed to write phy reg\n");
+
+	return -EBUSY;
 }
 
 static int ohci_update_phy_reg(struct fw_card *card, int addr,
 			       int clear_bits, int set_bits)
 {
 	struct fw_ohci *ohci = fw_ohci(card);
-	u32 old;
-	int err;
+	int ret;
 
-	err = read_phy_reg(card, addr, &old);
-	if (err < 0)
-		return err;
+	ret = read_phy_reg(ohci, addr);
+	if (ret < 0)
+		return ret;
 
 	/*
 	 * The interrupt status bits are cleared by writing a one bit.
@@ -500,32 +516,18 @@ static int ohci_update_phy_reg(struct fw_card *card, int addr,
 	if (addr == 5)
 		clear_bits |= PHY_INT_STATUS_BITS;
 
-	old = (old & ~clear_bits) | set_bits;
-	reg_write(ohci, OHCI1394_PhyControl,
-		  OHCI1394_PhyControl_Write(addr, old));
-
-	return 0;
+	return write_phy_reg(ohci, addr, (ret & ~clear_bits) | set_bits);
 }
 
-static int read_paged_phy_reg(struct fw_card *card,
-			      int page, int addr, u32 *value)
+static int read_paged_phy_reg(struct fw_ohci *ohci, int page, int addr)
 {
-	struct fw_ohci *ohci = fw_ohci(card);
-	u32 reg;
-	int err;
+	int ret;
 
-	err = ohci_update_phy_reg(card, 7, PHY_PAGE_SELECT, page << 5);
-	if (err < 0)
-		return err;
-	flush_writes(ohci);
-	msleep(2);
-	reg = reg_read(ohci, OHCI1394_PhyControl);
-	if ((reg & OHCI1394_PhyControl_WritePending) != 0) {
-		fw_error("failed to write phy reg bits\n");
-		return -EBUSY;
-	}
+	ret = ohci_update_phy_reg(&ohci->card, 7, PHY_PAGE_SELECT, page << 5);
+	if (ret < 0)
+		return ret;
 
-	return read_phy_reg(card, addr, value);
+	return read_phy_reg(ohci, addr);
 }
 
 static int ar_context_add_page(struct ar_context *ctx)
@@ -1538,8 +1540,7 @@ static void copy_config_rom(__be32 *dest, const __be32 *src, size_t length)
 static int configure_1394a_enhancements(struct fw_ohci *ohci)
 {
 	bool enable_1394a;
-	u32 reg, phy_compliance;
-	int clear, set, offset;
+	int ret, clear, set, offset;
 
 	/* Check if the driver should configure link and PHY. */
 	if (!(reg_read(ohci, OHCI1394_HCControlSet) &
@@ -1548,12 +1549,14 @@ static int configure_1394a_enhancements(struct fw_ohci *ohci)
 
 	/* Paranoia: check whether the PHY supports 1394a, too. */
 	enable_1394a = false;
-	if (read_phy_reg(&ohci->card, 2, &reg) < 0)
-		return -EIO;
-	if ((reg & PHY_EXTENDED_REGISTERS) == PHY_EXTENDED_REGISTERS) {
-		if (read_paged_phy_reg(&ohci->card, 1, 8, &phy_compliance) < 0)
-			return -EIO;
-		if (phy_compliance >= 1)
+	ret = read_phy_reg(ohci, 2);
+	if (ret < 0)
+		return ret;
+	if ((ret & PHY_EXTENDED_REGISTERS) == PHY_EXTENDED_REGISTERS) {
+		ret = read_paged_phy_reg(ohci, 1, 8);
+		if (ret < 0)
+			return ret;
+		if (ret >= 1)
 			enable_1394a = true;
 	}
 
@@ -1568,10 +1571,9 @@ static int configure_1394a_enhancements(struct fw_ohci *ohci)
 		clear = PHY_ENABLE_ACCEL | PHY_ENABLE_MULTI;
 		set = 0;
 	}
-	if (ohci_update_phy_reg(&ohci->card, 5, clear, set) < 0)
-		return -EIO;
-	flush_writes(ohci);
-	msleep(2);
+	ret = ohci_update_phy_reg(&ohci->card, 5, clear, set);
+	if (ret < 0)
+		return ret;
 
 	if (enable_1394a)
 		offset = OHCI1394_HCControlSet;
@@ -1592,7 +1594,7 @@ static int ohci_enable(struct fw_card *card,
 	struct fw_ohci *ohci = fw_ohci(card);
 	struct pci_dev *dev = to_pci_dev(card->device);
 	u32 lps;
-	int i, err;
+	int i, ret;
 
 	if (software_reset(ohci)) {
 		fw_error("Failed to reset ohci card.\n");
@@ -1656,14 +1658,14 @@ static int ohci_enable(struct fw_card *card,
 	if (param_debug & OHCI_PARAM_DEBUG_BUSRESETS)
 		reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset);
 
-	err = configure_1394a_enhancements(ohci);
-	if (err < 0)
-		return err;
+	ret = configure_1394a_enhancements(ohci);
+	if (ret < 0)
+		return ret;
 
 	/* Activate link_on bit and contender bit in our self ID packets.*/
-	if (ohci_update_phy_reg(card, 4, 0,
-				PHY_LINK_ACTIVE | PHY_CONTENDER) < 0)
-		return -EIO;
+	ret = ohci_update_phy_reg(card, 4, 0, PHY_LINK_ACTIVE | PHY_CONTENDER);
+	if (ret < 0)
+		return ret;
 
 	/*
 	 * When the link is not yet enabled, the atomic config rom

From 5da3dac8d99c9933f12286fd73fa18e26f768bea Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Fri, 2 Apr 2010 14:05:02 +0200
Subject: [PATCH 0273/3638] firewire: ohci: cleanups and fix for nonstandard
 build without debug facility

1) Clean up two function names:  The ohci_ prefix is only used in names
of fw_card_driver hooks.  There were two unnecessary exceptions.

2) Replace empty macros by empty inline functions so that call parameter
type checking is available in #ifndef'd builds.

3) CONFIG_FIREWIRE_OHCI_DEBUG is currently a hidden kconfig variable,
hence is not going to be switched off by anybody.  Still, it can be
switched off but then compilation will fail in ohci_enable() at the
expression param_debug & OHCI_PARAM_DEBUG_BUSRESETS.  Add the necessary
definitions in the nonstandard case.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/ohci.c | 29 +++++++++++++++--------------
 1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 5bbf42eb3f9..07deac77bc1 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -262,13 +262,13 @@ MODULE_PARM_DESC(quirks, "Chip quirks (default = 0"
 	", no 1394a enhancements = "	__stringify(QUIRK_NO_1394A)
 	")");
 
-#ifdef CONFIG_FIREWIRE_OHCI_DEBUG
-
 #define OHCI_PARAM_DEBUG_AT_AR		1
 #define OHCI_PARAM_DEBUG_SELFIDS	2
 #define OHCI_PARAM_DEBUG_IRQS		4
 #define OHCI_PARAM_DEBUG_BUSRESETS	8 /* only effective before chip init */
 
+#ifdef CONFIG_FIREWIRE_OHCI_DEBUG
+
 static int param_debug;
 module_param_named(debug, param_debug, int, 0644);
 MODULE_PARM_DESC(debug, "Verbose logging (default = 0"
@@ -441,9 +441,10 @@ static void log_ar_at_event(char dir, int speed, u32 *header, int evt)
 
 #else
 
-#define log_irqs(evt)
-#define log_selfids(node_id, generation, self_id_count, sid)
-#define log_ar_at_event(dir, speed, header, evt)
+#define param_debug 0
+static inline void log_irqs(u32 evt) {}
+static inline void log_selfids(int node_id, int generation, int self_id_count, u32 *s) {}
+static inline void log_ar_at_event(char dir, int speed, u32 *header, int evt) {}
 
 #endif /* CONFIG_FIREWIRE_OHCI_DEBUG */
 
@@ -2401,7 +2402,7 @@ static const struct fw_card_driver ohci_driver = {
 };
 
 #ifdef CONFIG_PPC_PMAC
-static void ohci_pmac_on(struct pci_dev *dev)
+static void pmac_ohci_on(struct pci_dev *dev)
 {
 	if (machine_is(powermac)) {
 		struct device_node *ofn = pci_device_to_OF_node(dev);
@@ -2413,7 +2414,7 @@ static void ohci_pmac_on(struct pci_dev *dev)
 	}
 }
 
-static void ohci_pmac_off(struct pci_dev *dev)
+static void pmac_ohci_off(struct pci_dev *dev)
 {
 	if (machine_is(powermac)) {
 		struct device_node *ofn = pci_device_to_OF_node(dev);
@@ -2425,8 +2426,8 @@ static void ohci_pmac_off(struct pci_dev *dev)
 	}
 }
 #else
-#define ohci_pmac_on(dev)
-#define ohci_pmac_off(dev)
+static inline void pmac_ohci_on(struct pci_dev *dev) {}
+static inline void pmac_ohci_off(struct pci_dev *dev) {}
 #endif /* CONFIG_PPC_PMAC */
 
 static int __devinit pci_probe(struct pci_dev *dev,
@@ -2446,7 +2447,7 @@ static int __devinit pci_probe(struct pci_dev *dev,
 
 	fw_card_initialize(&ohci->card, &ohci_driver, &dev->dev);
 
-	ohci_pmac_on(dev);
+	pmac_ohci_on(dev);
 
 	err = pci_enable_device(dev);
 	if (err) {
@@ -2580,7 +2581,7 @@ static int __devinit pci_probe(struct pci_dev *dev,
 	pci_disable_device(dev);
  fail_free:
 	kfree(&ohci->card);
-	ohci_pmac_off(dev);
+	pmac_ohci_off(dev);
  fail:
 	if (err == -ENOMEM)
 		fw_error("Out of memory\n");
@@ -2623,7 +2624,7 @@ static void pci_remove(struct pci_dev *dev)
 	pci_release_region(dev, 0);
 	pci_disable_device(dev);
 	kfree(&ohci->card);
-	ohci_pmac_off(dev);
+	pmac_ohci_off(dev);
 
 	fw_notify("Removed fw-ohci device.\n");
 }
@@ -2644,7 +2645,7 @@ static int pci_suspend(struct pci_dev *dev, pm_message_t state)
 	err = pci_set_power_state(dev, pci_choose_state(dev, state));
 	if (err)
 		fw_error("pci_set_power_state failed with %d\n", err);
-	ohci_pmac_off(dev);
+	pmac_ohci_off(dev);
 
 	return 0;
 }
@@ -2654,7 +2655,7 @@ static int pci_resume(struct pci_dev *dev)
 	struct fw_ohci *ohci = pci_get_drvdata(dev);
 	int err;
 
-	ohci_pmac_on(dev);
+	pmac_ohci_on(dev);
 	pci_set_power_state(dev, PCI_D0);
 	pci_restore_state(dev);
 	err = pci_enable_device(dev);

From 3ac26b2ee30005930117fe6a180c139c5f300faf Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Sat, 10 Apr 2010 16:38:05 +0100
Subject: [PATCH 0274/3638] firewire: cdev: mark char device files as not
 seekable

The <linux/firewire-cdev.h> character device file ABI (i.e. /dev/fw*
character device file interface) does not make any use of lseek(),
pread(), pwrite() (or any kind of write() at all).

Use nonseekable_open() and, redundantly, set file_operations.llseek to
no_llseek to remove any doubt whether the BKL-grabbing default_llseek
handler is used.  (Also shuffle file_operations initialization according
to the order of handler definitions.)

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/core-cdev.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 0d3df0927ef..9d1a1a1a83c 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -226,7 +226,7 @@ static int fw_device_op_open(struct inode *inode, struct file *file)
 	list_add_tail(&client->link, &device->client_list);
 	mutex_unlock(&device->client_list_mutex);
 
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 static void queue_event(struct client *client, struct event *event,
@@ -1495,13 +1495,13 @@ static unsigned int fw_device_op_poll(struct file *file, poll_table * pt)
 
 const struct file_operations fw_device_ops = {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.open		= fw_device_op_open,
 	.read		= fw_device_op_read,
 	.unlocked_ioctl	= fw_device_op_ioctl,
-	.poll		= fw_device_op_poll,
-	.release	= fw_device_op_release,
 	.mmap		= fw_device_op_mmap,
-
+	.release	= fw_device_op_release,
+	.poll		= fw_device_op_poll,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= fw_device_op_compat_ioctl,
 #endif

From 7cfe21aae155c26193fde617dc61d37a79a63f86 Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Sat, 10 Apr 2010 16:47:18 +0100
Subject: [PATCH 0275/3638] ieee1394: mark char device files as not seekable

The
  - raw1394   (/dev/raw1394),
  - video1394 (/dev/video1394/*),
  - dv1394    (/dev/dv1394/*)
character device file ABIs do not make any use of lseek(), pread(), or
pwrite().  Therefore use nonseekable_open() and, redundantly, set
file_operations.llseek to no_llseek to remove any doubt whether the BKL-
grabbing default_llseek handler is used.

Although all this is legacy code which should be left in peace until it
is eventually removed (as it is superseded by firewire-core's
<linux/firewire-cdev.h> ABI), this change seems still worth doing to
further minimize the presence of BKL usage in the kernel.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/ieee1394/dv1394.c    | 11 ++++++-----
 drivers/ieee1394/raw1394.c   |  3 ++-
 drivers/ieee1394/video1394.c |  5 +++--
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c
index 9fd4a0d3206..adaefabc40e 100644
--- a/drivers/ieee1394/dv1394.c
+++ b/drivers/ieee1394/dv1394.c
@@ -1824,7 +1824,7 @@ static int dv1394_open(struct inode *inode, struct file *file)
 	       "and will not be available in the new firewire driver stack. "
 	       "Try libraw1394 based programs instead.\n", current->comm);
 
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 
@@ -2153,17 +2153,18 @@ static struct cdev dv1394_cdev;
 static const struct file_operations dv1394_fops=
 {
 	.owner =	THIS_MODULE,
-	.poll =         dv1394_poll,
+	.poll =		dv1394_poll,
 	.unlocked_ioctl = dv1394_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = dv1394_compat_ioctl,
 #endif
 	.mmap =		dv1394_mmap,
 	.open =		dv1394_open,
-	.write =        dv1394_write,
-	.read =         dv1394_read,
+	.write =	dv1394_write,
+	.read =		dv1394_read,
 	.release =	dv1394_release,
-	.fasync =       dv1394_fasync,
+	.fasync =	dv1394_fasync,
+	.llseek =	no_llseek,
 };
 
 
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index 8aa56ac07e2..b563d5e9fa2 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -2834,7 +2834,7 @@ static int raw1394_open(struct inode *inode, struct file *file)
 
 	file->private_data = fi;
 
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 static int raw1394_release(struct inode *inode, struct file *file)
@@ -3035,6 +3035,7 @@ static const struct file_operations raw1394_fops = {
 	.poll = raw1394_poll,
 	.open = raw1394_open,
 	.release = raw1394_release,
+	.llseek = no_llseek,
 };
 
 static int __init init_raw1394(void)
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index 949064a0567..a42bd6893bc 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -1239,7 +1239,7 @@ static int video1394_open(struct inode *inode, struct file *file)
 	ctx->current_ctx = NULL;
 	file->private_data = ctx;
 
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 static int video1394_release(struct inode *inode, struct file *file)
@@ -1287,7 +1287,8 @@ static const struct file_operations video1394_fops=
 	.poll =		video1394_poll,
 	.mmap =		video1394_mmap,
 	.open =		video1394_open,
-	.release =	video1394_release
+	.release =	video1394_release,
+	.llseek =	no_llseek,
 };
 
 /*** HOTPLUG STUFF **********************************************************/

From 0c3910c255d3f9caeef4ebad5d5a1156a2d33f69 Mon Sep 17 00:00:00 2001
From: Stephane Chatty <chatty@lii-enac.fr>
Date: Sat, 10 Apr 2010 16:43:08 +0200
Subject: [PATCH 0276/3638] HID: add support for the eGalax dual-touch panel

Added support for the eGalax dual-touch panel, found on the Asus EeePC T101MT

Signed-off-by: Stephane Chatty <chatty@enac.fr>
Tested-by: Philipp Merkel <linux@philmerk.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig      |   6 +
 drivers/hid/Makefile     |   1 +
 drivers/hid/hid-core.c   |   1 +
 drivers/hid/hid-egalax.c | 280 +++++++++++++++++++++++++++++++++++++++
 drivers/hid/hid-ids.h    |   3 +
 5 files changed, 291 insertions(+)
 create mode 100644 drivers/hid/hid-egalax.c

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 71d4c070362..dabf3b67f48 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -122,6 +122,12 @@ config DRAGONRISE_FF
 	Say Y here if you want to enable force feedback support for DragonRise Inc.
 	game controllers.
 
+config HID_EGALAX
+	tristate "eGalax multi-touch panel"
+	depends on USB_HID
+	---help---
+	Support for the eGalax dual-touch panel
+
 config HID_EZKEY
 	tristate "Ezkey" if EMBEDDED
 	depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 0b2618f092c..19dae07eb14 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_HID_CHERRY)	+= hid-cherry.o
 obj-$(CONFIG_HID_CHICONY)	+= hid-chicony.o
 obj-$(CONFIG_HID_CYPRESS)	+= hid-cypress.o
 obj-$(CONFIG_HID_DRAGONRISE)	+= hid-drff.o
+obj-$(CONFIG_HID_EGALAX)	+= hid-egalax.o
 obj-$(CONFIG_HID_EZKEY)		+= hid-ezkey.o
 obj-$(CONFIG_HID_GYRATION)	+= hid-gyration.o
 obj-$(CONFIG_HID_KENSINGTON)	+= hid-kensington.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 2e2aa759d23..0bbf5949387 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1302,6 +1302,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c
new file mode 100644
index 00000000000..8b48d5a0717
--- /dev/null
+++ b/drivers/hid/hid-egalax.c
@@ -0,0 +1,280 @@
+/*
+ *  HID driver for eGalax dual-touch panels
+ *
+ *  Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
+ *
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include "usbhid/usbhid.h"
+
+MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
+MODULE_DESCRIPTION("eGalax dual-touch panel");
+MODULE_LICENSE("GPL");
+
+#include "hid-ids.h"
+
+struct egalax_data {
+	__u16 x, y, z;
+	__u8 id;
+	bool first;		/* is this the first finger in the frame? */
+	bool valid;		/* valid finger data, or just placeholder? */
+	bool activity;		/* at least one active finger previously? */
+	__u16 lastx, lasty;	/* latest valid (x, y) in the frame */
+};
+
+static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	switch (usage->hid & HID_USAGE_PAGE) {
+
+	case HID_UP_GENDESK:
+		switch (usage->hid) {
+		case HID_GD_X:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_POSITION_X);
+			/* touchscreen emulation */
+			input_set_abs_params(hi->input, ABS_X,
+						field->logical_minimum,
+						field->logical_maximum, 0, 0);
+			return 1;
+		case HID_GD_Y:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_POSITION_Y);
+			/* touchscreen emulation */
+			input_set_abs_params(hi->input, ABS_Y,
+						field->logical_minimum,
+						field->logical_maximum, 0, 0);
+			return 1;
+		}
+		return 0;
+
+	case HID_UP_DIGITIZER:
+		switch (usage->hid) {
+		case HID_DG_TIPSWITCH:
+			/* touchscreen emulation */
+			hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
+			return 1;
+		case HID_DG_INRANGE:
+		case HID_DG_CONFIDENCE:
+		case HID_DG_CONTACTCOUNT:
+		case HID_DG_CONTACTMAX:
+			return -1;
+		case HID_DG_CONTACTID:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_TRACKING_ID);
+			return 1;
+		case HID_DG_TIPPRESSURE:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_PRESSURE);
+			return 1;
+		}
+		return 0;
+	}
+
+	/* ignore others (from other reports we won't get anyway) */
+	return -1;
+}
+
+static int egalax_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if (usage->type == EV_KEY || usage->type == EV_ABS)
+		clear_bit(usage->code, *bit);
+
+	return 0;
+}
+
+/*
+ * this function is called when a whole finger has been parsed,
+ * so that it can decide what to send to the input layer.
+ */
+static void egalax_filter_event(struct egalax_data *td, struct input_dev *input)
+{
+	td->first = !td->first; /* touchscreen emulation */
+
+	if (td->valid) {
+		/* emit multitouch events */
+		input_event(input, EV_ABS, ABS_MT_TRACKING_ID, td->id);
+		input_event(input, EV_ABS, ABS_MT_POSITION_X, td->x);
+		input_event(input, EV_ABS, ABS_MT_POSITION_Y, td->y);
+		input_event(input, EV_ABS, ABS_MT_PRESSURE, td->z);
+
+		input_mt_sync(input);
+
+		/*
+		 * touchscreen emulation: store (x, y) as
+		 * the last valid values in this frame
+		 */
+		td->lastx = td->x;
+		td->lasty = td->y;
+	}
+
+	/*
+	 * touchscreen emulation: if this is the second finger and at least
+	 * one in this frame is valid, the latest valid in the frame is
+	 * the oldest on the panel, the one we want for single touch
+	 */
+	if (!td->first && td->activity) {
+		input_event(input, EV_ABS, ABS_X, td->lastx);
+		input_event(input, EV_ABS, ABS_Y, td->lasty);
+	}
+
+	if (!td->valid) {
+		/*
+		 * touchscreen emulation: if the first finger is invalid
+		 * and there previously was finger activity, this is a release
+		 */ 
+		if (td->first && td->activity) {
+			input_event(input, EV_KEY, BTN_TOUCH, 0);
+			td->activity = false;
+		}
+		return;
+	}
+
+
+	/* touchscreen emulation: if no previous activity, emit touch event */
+	if (!td->activity) {
+		input_event(input, EV_KEY, BTN_TOUCH, 1);
+		td->activity = true;
+	}
+}
+
+
+static int egalax_event(struct hid_device *hid, struct hid_field *field,
+				struct hid_usage *usage, __s32 value)
+{
+	struct egalax_data *td = hid_get_drvdata(hid);
+
+	if (hid->claimed & HID_CLAIMED_INPUT) {
+		struct input_dev *input = field->hidinput->input;
+
+		switch (usage->hid) {
+		case HID_DG_INRANGE:
+		case HID_DG_CONFIDENCE:
+			/* avoid interference from generic hidinput handling */
+			break;
+		case HID_DG_TIPSWITCH:
+			td->valid = value;
+			break;
+		case HID_DG_TIPPRESSURE:
+			td->z = value;
+			break;
+		case HID_DG_CONTACTID:
+			td->id = value;
+			break;
+		case HID_GD_X:
+			td->x = value;
+			break;
+		case HID_GD_Y:
+			td->y = value;
+			/* this is the last field in a finger */
+			egalax_filter_event(td, input);
+			break;
+		case HID_DG_CONTACTCOUNT:
+			/* touch emulation: this is the last field in a frame */
+			td->first = false;
+			break;
+
+		default:
+			/* fallback to the generic hidinput handling */
+			return 0;
+		}
+	}
+
+	/* we have handled the hidinput part, now remains hiddev */
+	if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
+		hid->hiddev_hid_event(hid, field, usage, value);
+
+	return 1;
+}
+
+static int egalax_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int ret;
+	struct egalax_data *td;
+	struct hid_report *report;
+
+	td = kmalloc(sizeof(struct egalax_data), GFP_KERNEL);
+	if (!td) {
+		dev_err(&hdev->dev, "cannot allocate eGalax data\n");
+		return -ENOMEM;
+	}
+	hid_set_drvdata(hdev, td);
+
+	ret = hid_parse(hdev);
+	if (ret)
+		goto end;
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (ret)
+		goto end;
+
+	report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[5]; 
+	if (report) {
+		report->field[0]->value[0] = 2;
+		usbhid_submit_report(hdev, report, USB_DIR_OUT);
+	}
+
+end:
+	if (ret)
+		kfree(td);
+
+	return ret;
+}
+
+static void egalax_remove(struct hid_device *hdev)
+{
+	hid_hw_stop(hdev);
+	kfree(hid_get_drvdata(hdev));
+	hid_set_drvdata(hdev, NULL);
+}
+
+static const struct hid_device_id egalax_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, egalax_devices);
+
+static const struct hid_usage_id egalax_grabbed_usages[] = {
+	{ HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
+	{ HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
+};
+
+static struct hid_driver egalax_driver = {
+	.name = "egalax-touch",
+	.id_table = egalax_devices,
+	.probe = egalax_probe,
+	.remove = egalax_remove,
+	.input_mapping = egalax_input_mapping,
+	.input_mapped = egalax_input_mapped,
+	.usage_table = egalax_grabbed_usages,
+	.event = egalax_event,
+};
+
+static int __init egalax_init(void)
+{
+	return hid_register_driver(&egalax_driver);
+}
+
+static void __exit egalax_exit(void)
+{
+	hid_unregister_driver(&egalax_driver);
+}
+
+module_init(egalax_init);
+module_exit(egalax_exit);
+
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 797e0647035..413b16527f1 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -170,6 +170,9 @@
 
 #define USB_VENDOR_ID_DRAGONRISE	0x0079
 
+#define USB_VENDOR_ID_DWAV		0x0eef
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH	0x480d
+
 #define USB_VENDOR_ID_ELO		0x04E7
 #define USB_DEVICE_ID_ELO_TS2700	0x0020
 

From c872b0fccc6e086beea0a7b3b4123b7d0e75a868 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Sat, 10 Apr 2010 21:29:09 +0200
Subject: [PATCH 0277/3638] HID: egalax: update slab.h include

Implicit slab.h inclusion via percpu.h is about to go away.  Make sure
slab.h is included as necessary.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-egalax.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c
index 8b48d5a0717..f44bdc084cb 100644
--- a/drivers/hid/hid-egalax.c
+++ b/drivers/hid/hid-egalax.c
@@ -16,6 +16,7 @@
 #include <linux/hid.h>
 #include <linux/module.h>
 #include <linux/usb.h>
+#include <linux/slab.h>
 #include "usbhid/usbhid.h"
 
 MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");

From 4deedd845a322b3d356d80c87e2d9fcf50aa04be Mon Sep 17 00:00:00 2001
From: adam radford <aradford@gmail.com>
Date: Mon, 8 Mar 2010 12:37:46 -0800
Subject: [PATCH 0278/3638] [SCSI] 3w-xxxx, 3w-9xxx: force 60 second timeout

This small patch forces 60 second timeouts for the older 3w-xxxx &
3w-9xxx drivers for systems that don't contain the udev rule for
setting scsi timeouts to 60 seconds.

Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/3w-9xxx.c | 24 ++++++++++++++++++------
 drivers/scsi/3w-9xxx.h |  9 +++++----
 drivers/scsi/3w-xxxx.c | 23 +++++++++++++++++------
 drivers/scsi/3w-xxxx.h |  8 ++++----
 4 files changed, 44 insertions(+), 20 deletions(-)

diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index e9788f55ab1..1bb774becf2 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1,10 +1,11 @@
 /*
    3w-9xxx.c -- 3ware 9000 Storage Controller device driver for Linux.
 
-   Written By: Adam Radford <linuxraid@amcc.com>
-   Modifications By: Tom Couch <linuxraid@amcc.com>
+   Written By: Adam Radford <linuxraid@lsi.com>
+   Modifications By: Tom Couch <linuxraid@lsi.com>
 
    Copyright (C) 2004-2009 Applied Micro Circuits Corporation.
+   Copyright (C) 2010 LSI Corporation.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -40,10 +41,10 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Bugs/Comments/Suggestions should be mailed to:
-   linuxraid@amcc.com
+   linuxraid@lsi.com
 
    For more information, goto:
-   http://www.amcc.com
+   http://www.lsi.com
 
    Note: This version of the driver does not contain a bundled firmware
          image.
@@ -77,6 +78,7 @@
                  Use pci_resource_len() for ioremap().
    2.26.02.012 - Add power management support.
    2.26.02.013 - Fix bug in twa_load_sgl().
+   2.26.02.014 - Force 60 second timeout default.
 */
 
 #include <linux/module.h>
@@ -102,14 +104,14 @@
 #include "3w-9xxx.h"
 
 /* Globals */
-#define TW_DRIVER_VERSION "2.26.02.013"
+#define TW_DRIVER_VERSION "2.26.02.014"
 static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT];
 static unsigned int twa_device_extension_count;
 static int twa_major = -1;
 extern struct timezone sys_tz;
 
 /* Module parameters */
-MODULE_AUTHOR ("AMCC");
+MODULE_AUTHOR ("LSI");
 MODULE_DESCRIPTION ("3ware 9000 Storage Controller Linux Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(TW_DRIVER_VERSION);
@@ -1990,6 +1992,15 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id)
 		scsi_dma_unmap(cmd);
 } /* End twa_unmap_scsi_data() */
 
+/* This function gets called when a disk is coming on-line */
+static int twa_slave_configure(struct scsi_device *sdev)
+{
+	/* Force 60 second timeout */
+	blk_queue_rq_timeout(sdev->request_queue, 60 * HZ);
+
+	return 0;
+} /* End twa_slave_configure() */
+
 /* scsi_host_template initializer */
 static struct scsi_host_template driver_template = {
 	.module			= THIS_MODULE,
@@ -1999,6 +2010,7 @@ static struct scsi_host_template driver_template = {
 	.bios_param		= twa_scsi_biosparam,
 	.change_queue_depth	= twa_change_queue_depth,
 	.can_queue		= TW_Q_LENGTH-2,
+	.slave_configure	= twa_slave_configure,
 	.this_id		= -1,
 	.sg_tablesize		= TW_APACHE_MAX_SGL_LENGTH,
 	.max_sectors		= TW_MAX_SECTORS,
diff --git a/drivers/scsi/3w-9xxx.h b/drivers/scsi/3w-9xxx.h
index 2893eec78ed..3343824855d 100644
--- a/drivers/scsi/3w-9xxx.h
+++ b/drivers/scsi/3w-9xxx.h
@@ -1,10 +1,11 @@
 /*
    3w-9xxx.h -- 3ware 9000 Storage Controller device driver for Linux.
 
-   Written By: Adam Radford <linuxraid@amcc.com>
-   Modifications By: Tom Couch <linuxraid@amcc.com>
+   Written By: Adam Radford <linuxraid@lsi.com>
+   Modifications By: Tom Couch <linuxraid@lsi.com>
 
    Copyright (C) 2004-2009 Applied Micro Circuits Corporation.
+   Copyright (C) 2010 LSI Corporation.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -40,10 +41,10 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Bugs/Comments/Suggestions should be mailed to:
-   linuxraid@amcc.com
+   linuxraid@lsi.com
 
    For more information, goto:
-   http://www.amcc.com
+   http://www.lsi.com
 */
 
 #ifndef _3W_9XXX_H
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 5faf903ca8c..d119a614bf7 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1,12 +1,12 @@
 /* 
    3w-xxxx.c -- 3ware Storage Controller device driver for Linux.
 
-   Written By: Adam Radford <linuxraid@amcc.com>
+   Written By: Adam Radford <linuxraid@lsi.com>
    Modifications By: Joel Jacobson <linux@3ware.com>
    		     Arnaldo Carvalho de Melo <acme@conectiva.com.br>
                      Brad Strand <linux@3ware.com>
 
-   Copyright (C) 1999-2009 3ware Inc.
+   Copyright (C) 1999-2010 3ware Inc.
 
    Kernel compatibility By: 	Andre Hedrick <andre@suse.com>
    Non-Copyright (C) 2000	Andre Hedrick <andre@suse.com>
@@ -47,10 +47,10 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 
    Bugs/Comments/Suggestions should be mailed to:                            
-   linuxraid@amcc.com
+   linuxraid@lsi.com
 
    For more information, goto:
-   http://www.amcc.com
+   http://www.lsi.com
 
    History
    -------
@@ -194,6 +194,7 @@
    1.26.02.002 - Free irq handler in __tw_shutdown().
                  Turn on RCD bit for caching mode page.
                  Serialize reset code.
+   1.26.02.003 - Force 60 second timeout default.
 */
 
 #include <linux/module.h>
@@ -219,13 +220,13 @@
 #include "3w-xxxx.h"
 
 /* Globals */
-#define TW_DRIVER_VERSION "1.26.02.002"
+#define TW_DRIVER_VERSION "1.26.02.003"
 static TW_Device_Extension *tw_device_extension_list[TW_MAX_SLOT];
 static int tw_device_extension_count = 0;
 static int twe_major = -1;
 
 /* Module parameters */
-MODULE_AUTHOR("AMCC");
+MODULE_AUTHOR("LSI");
 MODULE_DESCRIPTION("3ware Storage Controller Linux Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(TW_DRIVER_VERSION);
@@ -2245,6 +2246,15 @@ static void tw_shutdown(struct pci_dev *pdev)
 	__tw_shutdown(tw_dev);
 } /* End tw_shutdown() */
 
+/* This function gets called when a disk is coming online */
+static int tw_slave_configure(struct scsi_device *sdev)
+{
+	/* Force 60 second timeout */
+	blk_queue_rq_timeout(sdev->request_queue, 60 * HZ);
+
+	return 0;
+} /* End tw_slave_configure() */
+
 static struct scsi_host_template driver_template = {
 	.module			= THIS_MODULE,
 	.name			= "3ware Storage Controller",
@@ -2253,6 +2263,7 @@ static struct scsi_host_template driver_template = {
 	.bios_param		= tw_scsi_biosparam,
 	.change_queue_depth	= tw_change_queue_depth,
 	.can_queue		= TW_Q_LENGTH-2,
+	.slave_configure	= tw_slave_configure,
 	.this_id		= -1,
 	.sg_tablesize		= TW_MAX_SGL_LENGTH,
 	.max_sectors		= TW_MAX_SECTORS,
diff --git a/drivers/scsi/3w-xxxx.h b/drivers/scsi/3w-xxxx.h
index a5a2ba2561d..8b9f9d17e7f 100644
--- a/drivers/scsi/3w-xxxx.h
+++ b/drivers/scsi/3w-xxxx.h
@@ -1,12 +1,12 @@
 /* 
    3w-xxxx.h -- 3ware Storage Controller device driver for Linux.
    
-   Written By: Adam Radford <linuxraid@amcc.com>
+   Written By: Adam Radford <linuxraid@lsi.com>
    Modifications By: Joel Jacobson <linux@3ware.com>
    		     Arnaldo Carvalho de Melo <acme@conectiva.com.br>
                      Brad Strand <linux@3ware.com>
 
-   Copyright (C) 1999-2009 3ware Inc.
+   Copyright (C) 1999-2010 3ware Inc.
 
    Kernel compatiblity By:	Andre Hedrick <andre@suse.com>
    Non-Copyright (C) 2000	Andre Hedrick <andre@suse.com>
@@ -45,10 +45,10 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 
    Bugs/Comments/Suggestions should be mailed to:                            
-   linuxraid@amcc.com
+   linuxraid@lsi.com
    
    For more information, goto:
-   http://www.amcc.com
+   http://www.lsi.com
 */
 
 #ifndef _3W_XXXX_H

From c4de0cebc512148bee764bfdac7bf49555e41173 Mon Sep 17 00:00:00 2001
From: adam radford <aradford@gmail.com>
Date: Mon, 8 Mar 2010 12:40:36 -0800
Subject: [PATCH 0279/3638] [SCSI] 3ware maintainers update

This patch updates the 3ware maintainers in the MAINTAINERS file.

Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 MAINTAINERS | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 7a9ccda2a30..9ca2fbbe525 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -131,19 +131,12 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/typhoon*
 
-3W-9XXX SATA-RAID CONTROLLER DRIVER
-M:	Adam Radford <linuxraid@amcc.com>
+3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
+M:	Adam Radford <linuxraid@lsi.com>
 L:	linux-scsi@vger.kernel.org
-W:	http://www.amcc.com
+W:	http://www.lsi.com
 S:	Supported
-F:	drivers/scsi/3w-9xxx*
-
-3W-XXXX ATA-RAID CONTROLLER DRIVER
-M:	Adam Radford <linuxraid@amcc.com>
-L:	linux-scsi@vger.kernel.org
-W:	http://www.amcc.com
-S:	Supported
-F:	drivers/scsi/3w-xxxx*
+F:	drivers/scsi/3w-*
 
 53C700 AND 53C700-66 SCSI DRIVER
 M:	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>

From bb789d01620e5d36081b22edb6fb71cf55ff043c Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Tue, 9 Mar 2010 11:09:50 +0900
Subject: [PATCH 0280/3638] [SCSI] mpt2sas: fix the incorrect scsi_dma_map
 error checking

scsi_dma_map() returns -1 if an error occurred (zero means that the
command has no data). So the following current code can't catch an
error:

sges_left = scsi_dma_map(scmd);
if (!sges_left) {
	sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
	" failed: request for %d bytes!\n", scsi_bufflen(scmd));
	return -ENOMEM;
}

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index be171ed682e..aa67b757bf2 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -988,7 +988,7 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
 	u32 chain_offset;
 	u32 chain_length;
 	u32 chain_flags;
-	u32 sges_left;
+	int sges_left;
 	u32 sges_in_segment;
 	u32 sgl_flags;
 	u32 sgl_flags_last_element;
@@ -1009,7 +1009,7 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
 
 	sg_scmd = scsi_sglist(scmd);
 	sges_left = scsi_dma_map(scmd);
-	if (!sges_left) {
+	if (sges_left < 0) {
 		sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
 		" failed: request for %d bytes!\n", scsi_bufflen(scmd));
 		return -ENOMEM;

From 36dd288f0f930c154ec6a4d73a6a35f3079418c6 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Tue, 9 Mar 2010 10:18:48 +0100
Subject: [PATCH 0281/3638] [SCSI] scsi_transport_fc: Protect against overflow
 in dev_loss_tmo

The rport structure defines dev_loss_tmo as u32, which is
later multiplied with HZ to get the actual timeout value.
This might overflow for large dev_loss_tmo values. So we
should be better using u64 as intermediate variables here
to protect against overflow.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_transport_fc.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 6cfffc88022..55fe730a860 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -834,7 +834,7 @@ static ssize_t
 store_fc_rport_dev_loss_tmo(struct device *dev, struct device_attribute *attr,
 			    const char *buf, size_t count)
 {
-	int val;
+	unsigned long val;
 	struct fc_rport *rport = transport_class_to_rport(dev);
 	struct Scsi_Host *shost = rport_to_shost(rport);
 	struct fc_internal *i = to_fc_internal(shost->transportt);
@@ -847,6 +847,12 @@ store_fc_rport_dev_loss_tmo(struct device *dev, struct device_attribute *attr,
 	if ((*cp && (*cp != '\n')) || (val < 0))
 		return -EINVAL;
 
+	/*
+	 * Check for overflow; dev_loss_tmo is u32
+	 */
+	if (val > UINT_MAX)
+		return -EINVAL;
+
 	/*
 	 * If fast_io_fail is off we have to cap
 	 * dev_loss_tmo at SCSI_DEVICE_BLOCK_MAX_TIMEOUT
@@ -2865,7 +2871,7 @@ void
 fc_remote_port_delete(struct fc_rport  *rport)
 {
 	struct Scsi_Host *shost = rport_to_shost(rport);
-	int timeout = rport->dev_loss_tmo;
+	unsigned long timeout = rport->dev_loss_tmo;
 	unsigned long flags;
 
 	/*

From f1c35e6aea579d5bdb6dc02dfa99c67c7c3b3f67 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Tue, 9 Mar 2010 16:31:43 +0530
Subject: [PATCH 0282/3638] [SCSI] mpt2sas: RESCAN Barrier work is added in
 case of HBA reset.

Add the cancel_pending_work flag from the fw_event_work structure, and then to
set the flag during host reset, check the flag later from work threads
context and if cancel_pending_work_flag is set ingore those events.

Now Rescan after host reset is changed.
Added special task MPT2SAS_RESCAN_AFTER_HOST_RESET. This task will be queued
at the time of HBA reset. this task is treated as barrier. All work after
MPT2SAS_RESCAN_AFTER_HOST_RESET will be treated as new work and will be
server by callback handle. If host_recovery is going on while running RESCAN
task, it will wait for shos_recovery_done completion which will be called
from HBA reset DONE context.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Reviewed-by: Eric Moore <eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c  |   5 +-
 drivers/scsi/mpt2sas/mpt2sas_base.h  |   3 +-
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 162 ++++++++++++++-------------
 3 files changed, 90 insertions(+), 80 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 88e6eebc315..da4bfbf95a7 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3607,6 +3607,8 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
 	mutex_init(&ioc->ctl_cmds.mutex);
 
+	init_completion(&ioc->shost_recovery_done);
+
 	for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
 		ioc->event_masks[i] = -1;
 
@@ -3811,9 +3813,8 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
 
 	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
 	ioc->shost_recovery = 0;
+	complete(&ioc->shost_recovery_done);
 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
 
-	if (!r)
-		_base_reset_handler(ioc, MPT2_IOC_RUNNING);
 	return r;
 }
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index e18b0544c38..a5ec09f7c90 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -119,7 +119,6 @@
 #define MPT2_IOC_PRE_RESET		1 /* prior to host reset */
 #define MPT2_IOC_AFTER_RESET		2 /* just after host reset */
 #define MPT2_IOC_DONE_RESET		3 /* links re-initialized */
-#define MPT2_IOC_RUNNING		4 /* shost running */
 
 /*
  * logging format
@@ -603,7 +602,6 @@ struct MPT2SAS_ADAPTER {
 	/* fw event handler */
 	char		firmware_event_name[20];
 	struct workqueue_struct	*firmware_event_thread;
-	u8		fw_events_off;
 	spinlock_t	fw_event_lock;
 	struct list_head fw_event_list;
 
@@ -611,6 +609,7 @@ struct MPT2SAS_ADAPTER {
 	int		aen_event_read_flag;
 	u8		broadcast_aen_busy;
 	u8		shost_recovery;
+	struct completion	shost_recovery_done;
 	spinlock_t 	ioc_reset_in_progress_lock;
 	u8		ioc_link_reset_in_progress;
 	u8		ignore_loginfos;
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index aa67b757bf2..6f121a904d0 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -109,14 +109,16 @@ struct sense_info {
 };
 
 
+#define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF)
+
 /**
  * struct fw_event_work - firmware event struct
  * @list: link list framework
  * @work: work object (ioc->fault_reset_work_q)
+ * @cancel_pending_work: flag set during reset handling
  * @ioc: per adapter object
  * @VF_ID: virtual function id
  * @VP_ID: virtual port id
- * @host_reset_handling: handling events during host reset
  * @ignore: flag meaning this event has been marked to ignore
  * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
  * @event_data: reply event data payload follows
@@ -125,11 +127,11 @@ struct sense_info {
  */
 struct fw_event_work {
 	struct list_head 	list;
-	struct work_struct	work;
+	u8			cancel_pending_work;
+	struct delayed_work	delayed_work;
 	struct MPT2SAS_ADAPTER *ioc;
 	u8			VF_ID;
 	u8			VP_ID;
-	u8			host_reset_handling;
 	u8			ignore;
 	u16			event;
 	void			*event_data;
@@ -2325,8 +2327,9 @@ _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
 
 	spin_lock_irqsave(&ioc->fw_event_lock, flags);
 	list_add_tail(&fw_event->list, &ioc->fw_event_list);
-	INIT_WORK(&fw_event->work, _firmware_event_work);
-	queue_work(ioc->firmware_event_thread, &fw_event->work);
+	INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work);
+	queue_delayed_work(ioc->firmware_event_thread,
+	    &fw_event->delayed_work, 0);
 	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
 }
 
@@ -2353,62 +2356,55 @@ _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
 	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
 }
 
+
 /**
- * _scsih_fw_event_add - requeue an event
+ * _scsih_queue_rescan - queue a topology rescan from user context
  * @ioc: per adapter object
- * @fw_event: object describing the event
- * Context: This function will acquire ioc->fw_event_lock.
  *
  * Return nothing.
  */
 static void
-_scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
-    *fw_event, unsigned long delay)
+_scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc)
 {
-	unsigned long flags;
-	if (ioc->firmware_event_thread == NULL)
+	struct fw_event_work *fw_event;
+
+	if (ioc->wait_for_port_enable_to_complete)
+		return;
+	fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
+	if (!fw_event)
+		return;
+	fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET;
+	fw_event->ioc = ioc;
+	_scsih_fw_event_add(ioc, fw_event);
+}
+
+/**
+ * _scsih_fw_event_cleanup_queue - cleanup event queue
+ * @ioc: per adapter object
+ *
+ * Walk the firmware event queue, either killing timers, or waiting
+ * for outstanding events to complete
+ *
+ * Return nothing.
+ */
+static void
+_scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc)
+{
+	struct fw_event_work *fw_event, *next;
+
+	if (list_empty(&ioc->fw_event_list) ||
+	     !ioc->firmware_event_thread || in_interrupt())
 		return;
 
-	spin_lock_irqsave(&ioc->fw_event_lock, flags);
-	queue_work(ioc->firmware_event_thread, &fw_event->work);
-	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+	list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
+		if (cancel_delayed_work(&fw_event->delayed_work)) {
+			_scsih_fw_event_free(ioc, fw_event);
+			continue;
+		}
+		fw_event->cancel_pending_work = 1;
+	}
 }
 
-/**
- * _scsih_fw_event_off - turn flag off preventing event handling
- * @ioc: per adapter object
- *
- * Used to prevent handling of firmware events during adapter reset
- * driver unload.
- *
- * Return nothing.
- */
-static void
-_scsih_fw_event_off(struct MPT2SAS_ADAPTER *ioc)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioc->fw_event_lock, flags);
-	ioc->fw_events_off = 1;
-	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-
-}
-
-/**
- * _scsih_fw_event_on - turn flag on allowing firmware event handling
- * @ioc: per adapter object
- *
- * Returns nothing.
- */
-static void
-_scsih_fw_event_on(struct MPT2SAS_ADAPTER *ioc)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioc->fw_event_lock, flags);
-	ioc->fw_events_off = 0;
-	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-}
 
 /**
  * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
@@ -5694,13 +5690,13 @@ _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
 }
 
 /**
- * _scsih_remove_unresponding_devices - removing unresponding devices
+ * _scsih_remove_unresponding_sas_devices - removing unresponding devices
  * @ioc: per adapter object
  *
  * Return nothing.
  */
 static void
-_scsih_remove_unresponding_devices(struct MPT2SAS_ADAPTER *ioc)
+_scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
 {
 	struct _sas_device *sas_device, *sas_device_next;
 	struct _sas_node *sas_expander;
@@ -5774,31 +5770,28 @@ mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
 	case MPT2_IOC_PRE_RESET:
 		dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
 		    "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
-		_scsih_fw_event_off(ioc);
 		break;
 	case MPT2_IOC_AFTER_RESET:
 		dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
 		    "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
+		if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) {
+			ioc->scsih_cmds.status |= MPT2_CMD_RESET;
+			mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
+			complete(&ioc->scsih_cmds.done);
+		}
 		if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
 			ioc->tm_cmds.status |= MPT2_CMD_RESET;
 			mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
 			complete(&ioc->tm_cmds.done);
 		}
-		_scsih_fw_event_on(ioc);
+		_scsih_fw_event_cleanup_queue(ioc);
 		_scsih_flush_running_cmds(ioc);
+		_scsih_queue_rescan(ioc);
 		break;
 	case MPT2_IOC_DONE_RESET:
 		dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
 		    "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
 		_scsih_sas_host_refresh(ioc);
-		_scsih_search_responding_sas_devices(ioc);
-		_scsih_search_responding_raid_devices(ioc);
-		_scsih_search_responding_expanders(ioc);
-		break;
-	case MPT2_IOC_RUNNING:
-		dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
-		    "MPT2_IOC_RUNNING\n", ioc->name, __func__));
-		_scsih_remove_unresponding_devices(ioc);
 		break;
 	}
 }
@@ -5815,21 +5808,31 @@ static void
 _firmware_event_work(struct work_struct *work)
 {
 	struct fw_event_work *fw_event = container_of(work,
-	    struct fw_event_work, work);
+	    struct fw_event_work, delayed_work.work);
 	unsigned long flags;
 	struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
 
 	/* the queue is being flushed so ignore this event */
-	spin_lock_irqsave(&ioc->fw_event_lock, flags);
-	if (ioc->fw_events_off || ioc->remove_host) {
-		spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+	if (ioc->remove_host || fw_event->cancel_pending_work) {
 		_scsih_fw_event_free(ioc, fw_event);
 		return;
 	}
-	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
 
-	if (ioc->shost_recovery) {
-		_scsih_fw_event_requeue(ioc, fw_event, 1000);
+	if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) {
+		_scsih_fw_event_free(ioc, fw_event);
+		spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
+		if (ioc->shost_recovery) {
+			init_completion(&ioc->shost_recovery_done);
+			spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
+			    flags);
+			wait_for_completion(&ioc->shost_recovery_done);
+		} else
+			spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
+			    flags);
+		_scsih_search_responding_sas_devices(ioc);
+		_scsih_search_responding_raid_devices(ioc);
+		_scsih_search_responding_expanders(ioc);
+		_scsih_remove_unresponding_sas_devices(ioc);
 		return;
 	}
 
@@ -5891,16 +5894,11 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 {
 	struct fw_event_work *fw_event;
 	Mpi2EventNotificationReply_t *mpi_reply;
-	unsigned long flags;
 	u16 event;
 
 	/* events turned off due to host reset or driver unloading */
-	spin_lock_irqsave(&ioc->fw_event_lock, flags);
-	if (ioc->fw_events_off || ioc->remove_host) {
-		spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+	if (ioc->remove_host)
 		return 1;
-	}
-	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
 
 	mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
 	event = le16_to_cpu(mpi_reply->Event);
@@ -6158,6 +6156,18 @@ _scsih_shutdown(struct pci_dev *pdev)
 {
 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
 	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
+	struct workqueue_struct	*wq;
+	unsigned long flags;
+
+	ioc->remove_host = 1;
+	_scsih_fw_event_cleanup_queue(ioc);
+
+	spin_lock_irqsave(&ioc->fw_event_lock, flags);
+	wq = ioc->firmware_event_thread;
+	ioc->firmware_event_thread = NULL;
+	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+	if (wq)
+		destroy_workqueue(wq);
 
 	_scsih_ir_shutdown(ioc);
 	mpt2sas_base_detach(ioc);
@@ -6184,7 +6194,7 @@ _scsih_remove(struct pci_dev *pdev)
 	unsigned long flags;
 
 	ioc->remove_host = 1;
-	_scsih_fw_event_off(ioc);
+	_scsih_fw_event_cleanup_queue(ioc);
 
 	spin_lock_irqsave(&ioc->fw_event_lock, flags);
 	wq = ioc->firmware_event_thread;

From cd9843f8afb9dbdee101d1d7d9717e361c7c9b3a Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Tue, 9 Mar 2010 16:32:17 +0530
Subject: [PATCH 0283/3638] [SCSI] mpt2sas: modified
 _scsih_sas_device_find_by_handle/sas_address
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

modified _scsih_sas_device_find_by_handle
so to handle the search on both list(device list and device_init_list)
Also, we moved the priority of the
search so the ioc->sas_device_list is done first.  The
"sas_device_init_list" is only used during the 1st port enable, so its
unlikely there’s devices on it.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Reviewed-by: Eric Moore <eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 57 +++++++++-------------------
 1 file changed, 18 insertions(+), 39 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 6f121a904d0..72a94537396 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -484,27 +484,17 @@ struct _sas_device *
 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
     u64 sas_address)
 {
-	struct _sas_device *sas_device, *r;
+	struct _sas_device *sas_device;
 
-	r = NULL;
-	/* check the sas_device_init_list */
-	list_for_each_entry(sas_device, &ioc->sas_device_init_list,
-	    list) {
-		if (sas_device->sas_address != sas_address)
-			continue;
-		r = sas_device;
-		goto out;
-	}
+	list_for_each_entry(sas_device, &ioc->sas_device_list, list)
+		if (sas_device->sas_address == sas_address)
+			return sas_device;
 
-	/* then check the sas_device_list */
-	list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
-		if (sas_device->sas_address != sas_address)
-			continue;
-		r = sas_device;
-		goto out;
-	}
- out:
-	return r;
+	list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
+		if (sas_device->sas_address == sas_address)
+			return sas_device;
+
+	return NULL;
 }
 
 /**
@@ -519,28 +509,17 @@ mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
 static struct _sas_device *
 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 {
-	struct _sas_device *sas_device, *r;
+	struct _sas_device *sas_device;
 
-	r = NULL;
-	if (ioc->wait_for_port_enable_to_complete) {
-		list_for_each_entry(sas_device, &ioc->sas_device_init_list,
-		    list) {
-			if (sas_device->handle != handle)
-				continue;
-			r = sas_device;
-			goto out;
-		}
-	} else {
-		list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
-			if (sas_device->handle != handle)
-				continue;
-			r = sas_device;
-			goto out;
-		}
-	}
+	list_for_each_entry(sas_device, &ioc->sas_device_list, list)
+		if (sas_device->handle == handle)
+			return sas_device;
 
- out:
-	return r;
+	list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
+		if (sas_device->handle == handle)
+			return sas_device;
+
+	return NULL;
 }
 
 /**

From 40956059fb2ef717f1e864a6685e7cd31758fc2b Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Tue, 9 Mar 2010 16:32:47 +0530
Subject: [PATCH 0284/3638] [SCSI] mpt2sas: Upgrading version to 04.100.01.02

Upgraded version string.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Reviewed-by: Eric Moore <eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index a5ec09f7c90..199424d2234 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -69,11 +69,11 @@
 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
 #define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION		"04.100.01.00"
+#define MPT2SAS_DRIVER_VERSION		"04.100.01.02"
 #define MPT2SAS_MAJOR_VERSION		04
 #define MPT2SAS_MINOR_VERSION		100
 #define MPT2SAS_BUILD_VERSION		01
-#define MPT2SAS_RELEASE_VERSION		00
+#define MPT2SAS_RELEASE_VERSION		02
 
 /*
  * Set MPT2SAS_SG_DEPTH value based on user input.

From 1278b11f46d9f34097f44ecc417148f27e8997fe Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Tue, 9 Mar 2010 17:34:13 +0530
Subject: [PATCH 0285/3638] [SCSI] mpt2sas : Device removal algorithm in
 interrupt context only

external host not connecting after controller reboot: The
problem is : devices are not coming back after having the cable
disconnected then reconnected. The problem is because the
driver/firmware device removal handshake is failing. Due to this failure,
the controller firmware is not sending out device add events when the target
is reconnected. This is root caused to a race in the driver/firmware device
removal algorithm. There is duplicate code in both interrupt and user
context; where target reset is being issue from user context path while
sas_iounit_control(OP_REMOVE) is being sent from interrupt context. An
active target_reset will fail the OP_REMOVE. To fix this problem, the
duplicate code has been removed from user context path.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.h  |  11 -
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 307 +++++++++++----------------
 2 files changed, 123 insertions(+), 195 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 199424d2234..142b694c9de 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -259,16 +259,6 @@ struct _internal_cmd {
 	u16	smid;
 };
 
-/*
- * SAS Topology Structures
- */
-
-#define MPTSAS_STATE_TR_SEND		0x0001
-#define MPTSAS_STATE_TR_COMPLETE	0x0002
-#define MPTSAS_STATE_CNTRL_SEND		0x0004
-#define MPTSAS_STATE_CNTRL_COMPLETE	0x0008
-
-#define MPT2SAS_REQ_SAS_CNTRL		0x0010
 
 /**
  * struct _sas_device - attached device information
@@ -306,7 +296,6 @@ struct _sas_device {
 	u16	slot;
 	u8	hidden_raid_component;
 	u8	responding;
-	u16	state;
 };
 
 /**
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 72a94537396..6d9f99720b4 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2546,25 +2546,24 @@ static void
 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 {
 	Mpi2SCSITaskManagementRequest_t *mpi_request;
-	struct MPT2SAS_TARGET *sas_target_priv_data;
 	u16 smid;
 	struct _sas_device *sas_device;
 	unsigned long flags;
 	struct _tr_list *delayed_tr;
 
-	if (ioc->shost_recovery) {
-		printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
-		    __func__, ioc->name);
+	if (ioc->shost_recovery || ioc->remove_host) {
+		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
+		   "progress!\n", __func__, ioc->name));
 		return;
 	}
 
 	spin_lock_irqsave(&ioc->sas_device_lock, flags);
 	sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
-	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
-	/* skip is hidden raid component */
-	if (sas_device && sas_device->hidden_raid_component)
+	if (sas_device && sas_device->hidden_raid_component) {
+		spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
 		return;
+	}
+	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
 
 	smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
 	if (!smid) {
@@ -2573,36 +2572,16 @@ _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 			return;
 		INIT_LIST_HEAD(&delayed_tr->list);
 		delayed_tr->handle = handle;
-		delayed_tr->state = MPT2SAS_REQ_SAS_CNTRL;
-		list_add_tail(&delayed_tr->list,
-		    &ioc->delayed_tr_list);
-		if (sas_device && sas_device->starget) {
-			dewtprintk(ioc, starget_printk(KERN_INFO,
-			    sas_device->starget, "DELAYED:tr:handle(0x%04x), "
-			    "(open)\n", handle));
-		} else {
-			dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
-			    "DELAYED:tr:handle(0x%04x), (open)\n",
-			    ioc->name, handle));
-		}
+		list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
+		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
+		    "DELAYED:tr:handle(0x%04x), (open)\n",
+		    ioc->name, handle));
 		return;
 	}
 
-	if (sas_device) {
-		sas_device->state |= MPTSAS_STATE_TR_SEND;
-		sas_device->state |= MPT2SAS_REQ_SAS_CNTRL;
-		if (sas_device->starget && sas_device->starget->hostdata) {
-			sas_target_priv_data = sas_device->starget->hostdata;
-			sas_target_priv_data->tm_busy = 1;
-			dewtprintk(ioc, starget_printk(KERN_INFO,
-			    sas_device->starget, "tr:handle(0x%04x), (open)\n",
-			    handle));
-		}
-	} else {
-		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
-		    "tr:handle(0x%04x), (open)\n", ioc->name, handle));
-	}
-
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
+	    "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
+	    ioc->tm_tr_cb_idx));
 	mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
 	memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
 	mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
@@ -2632,35 +2611,15 @@ static u8
 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
     u8 msix_index, u32 reply)
 {
-	unsigned long flags;
-	u16 handle;
-	struct _sas_device *sas_device;
 	Mpi2SasIoUnitControlReply_t *mpi_reply =
 	    mpt2sas_base_get_reply_virt_addr(ioc, reply);
 
-	handle = le16_to_cpu(mpi_reply->DevHandle);
-
-	spin_lock_irqsave(&ioc->sas_device_lock, flags);
-	sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
-	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
-	if (sas_device) {
-		sas_device->state |= MPTSAS_STATE_CNTRL_COMPLETE;
-		if (sas_device->starget)
-			dewtprintk(ioc, starget_printk(KERN_INFO,
-			    sas_device->starget,
-			    "sc_complete:handle(0x%04x), "
-			    "ioc_status(0x%04x), loginfo(0x%08x)\n",
-			    handle, le16_to_cpu(mpi_reply->IOCStatus),
-			    le32_to_cpu(mpi_reply->IOCLogInfo)));
-	} else {
-		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
-		    "sc_complete:handle(0x%04x), "
-		    "ioc_status(0x%04x), loginfo(0x%08x)\n",
-		    ioc->name, handle, le16_to_cpu(mpi_reply->IOCStatus),
-		    le32_to_cpu(mpi_reply->IOCLogInfo)));
-	}
-
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
+	    "sc_complete:handle(0x%04x), (open) "
+	    "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
+	    ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
+	    le16_to_cpu(mpi_reply->IOCStatus),
+	    le32_to_cpu(mpi_reply->IOCLogInfo)));
 	return 1;
 }
 
@@ -2684,87 +2643,63 @@ static u8
 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
     u32 reply)
 {
-	unsigned long flags;
 	u16 handle;
-	struct _sas_device *sas_device;
+	Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
 	Mpi2SCSITaskManagementReply_t *mpi_reply =
 	    mpt2sas_base_get_reply_virt_addr(ioc, reply);
 	Mpi2SasIoUnitControlRequest_t *mpi_request;
 	u16 smid_sas_ctrl;
-	struct MPT2SAS_TARGET *sas_target_priv_data;
 	struct _tr_list *delayed_tr;
-	u8 rc;
 
-	handle = le16_to_cpu(mpi_reply->DevHandle);
-	spin_lock_irqsave(&ioc->sas_device_lock, flags);
-	sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
-	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
-	if (sas_device) {
-		sas_device->state |= MPTSAS_STATE_TR_COMPLETE;
-		if (sas_device->starget) {
-			dewtprintk(ioc, starget_printk(KERN_INFO,
-			    sas_device->starget, "tr_complete:handle(0x%04x), "
-			    "(%s) ioc_status(0x%04x), loginfo(0x%08x), "
-			    "completed(%d)\n", sas_device->handle,
-			    (sas_device->state & MPT2SAS_REQ_SAS_CNTRL) ?
-			    "open" : "active",
-			    le16_to_cpu(mpi_reply->IOCStatus),
-			    le32_to_cpu(mpi_reply->IOCLogInfo),
-			    le32_to_cpu(mpi_reply->TerminationCount)));
-			if (sas_device->starget->hostdata) {
-				sas_target_priv_data =
-				    sas_device->starget->hostdata;
-				sas_target_priv_data->tm_busy = 0;
-			}
-		}
-	} else {
-		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
-		    "tr_complete:handle(0x%04x), (open) ioc_status(0x%04x), "
-		    "loginfo(0x%08x), completed(%d)\n", ioc->name,
-		    handle, le16_to_cpu(mpi_reply->IOCStatus),
-		    le32_to_cpu(mpi_reply->IOCLogInfo),
-		    le32_to_cpu(mpi_reply->TerminationCount)));
+	if (ioc->shost_recovery || ioc->remove_host) {
+		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
+		   "progress!\n", __func__, ioc->name));
+		return 1;
 	}
 
-	if (!list_empty(&ioc->delayed_tr_list)) {
-		delayed_tr = list_entry(ioc->delayed_tr_list.next,
-		    struct _tr_list, list);
-		mpt2sas_base_free_smid(ioc, smid);
-		if (delayed_tr->state & MPT2SAS_REQ_SAS_CNTRL)
-			_scsih_tm_tr_send(ioc, delayed_tr->handle);
-		list_del(&delayed_tr->list);
-		kfree(delayed_tr);
-		rc = 0; /* tells base_interrupt not to free mf */
-	} else
-		rc = 1;
-
-	if (sas_device && !(sas_device->state & MPT2SAS_REQ_SAS_CNTRL))
-		return rc;
-
-	if (ioc->shost_recovery) {
-		printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
-		    __func__, ioc->name);
-		return rc;
+	mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
+	handle = le16_to_cpu(mpi_request_tm->DevHandle);
+	if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
+		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: "
+		    "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle,
+		    le16_to_cpu(mpi_reply->DevHandle), smid));
+		return 0;
 	}
 
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
+	    "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
+	    "loginfo(0x%08x), completed(%d)\n", ioc->name,
+	    handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
+	    le32_to_cpu(mpi_reply->IOCLogInfo),
+	    le32_to_cpu(mpi_reply->TerminationCount)));
+
 	smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
 	if (!smid_sas_ctrl) {
 		printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
 		    ioc->name, __func__);
-		return rc;
+		return 1;
 	}
 
-	if (sas_device)
-		sas_device->state |= MPTSAS_STATE_CNTRL_SEND;
-
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), "
+	    "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl,
+	    ioc->tm_sas_control_cb_idx));
 	mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
 	memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
 	mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
 	mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
-	mpi_request->DevHandle = mpi_reply->DevHandle;
+	mpi_request->DevHandle = mpi_request_tm->DevHandle;
 	mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
-	return rc;
+
+	if (!list_empty(&ioc->delayed_tr_list)) {
+		delayed_tr = list_entry(ioc->delayed_tr_list.next,
+		    struct _tr_list, list);
+		mpt2sas_base_free_smid(ioc, smid);
+		_scsih_tm_tr_send(ioc, delayed_tr->handle);
+		list_del(&delayed_tr->list);
+		kfree(delayed_tr);
+		return 0; /* tells base_interrupt not to free mf */
+	}
+	return 1;
 }
 
 /**
@@ -4101,67 +4036,38 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
 }
 
 /**
- * _scsih_remove_device -  removing sas device object
+ * _scsih_remove_pd_device -  removing sas device pd object
  * @ioc: per adapter object
- * @sas_device: the sas_device object
+ * @sas_device_delete: the sas_device object
  *
+ * For hidden raid components, we do driver-fw handshake from
+ * hotplug work threads.
  * Return nothing.
  */
 static void
-_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device
-    *sas_device)
+_scsih_remove_pd_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device
+    sas_device)
 {
-	struct MPT2SAS_TARGET *sas_target_priv_data;
 	Mpi2SasIoUnitControlReply_t mpi_reply;
 	Mpi2SasIoUnitControlRequest_t mpi_request;
-	u16 device_handle, handle;
+	u16 vol_handle, handle;
 
-	if (!sas_device)
-		return;
-
-	handle = sas_device->handle;
+	handle = sas_device.handle;
 	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: handle(0x%04x),"
 	    " sas_addr(0x%016llx)\n", ioc->name, __func__, handle,
-	    (unsigned long long) sas_device->sas_address));
+	    (unsigned long long) sas_device.sas_address));
 
-	if (sas_device->starget && sas_device->starget->hostdata) {
-		sas_target_priv_data = sas_device->starget->hostdata;
-		sas_target_priv_data->deleted = 1;
-	}
-
-	if (ioc->remove_host || ioc->shost_recovery || !handle)
-		goto out;
-
-	if ((sas_device->state & MPTSAS_STATE_TR_COMPLETE)) {
-		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip "
-		   "target_reset handle(0x%04x)\n", ioc->name,
-		   handle));
-		goto skip_tr;
-	}
-
-	/* Target Reset to flush out all the outstanding IO */
-	device_handle = (sas_device->hidden_raid_component) ?
-	    sas_device->volume_handle : handle;
-	if (device_handle) {
-		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: "
-		    "handle(0x%04x)\n", ioc->name, device_handle));
-		mutex_lock(&ioc->tm_cmds.mutex);
-		mpt2sas_scsih_issue_tm(ioc, device_handle, 0,
-		    MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10);
-		ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
-		mutex_unlock(&ioc->tm_cmds.mutex);
-		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset "
-		    "done: handle(0x%04x)\n", ioc->name, device_handle));
-		if (ioc->shost_recovery)
-			goto out;
-	}
- skip_tr:
-
-	if ((sas_device->state & MPTSAS_STATE_CNTRL_COMPLETE)) {
-		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip "
-		   "sas_cntrl handle(0x%04x)\n", ioc->name, handle));
-		goto out;
-	}
+	vol_handle = sas_device.volume_handle;
+	if (!vol_handle)
+		return;
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: "
+	    "handle(0x%04x)\n", ioc->name, vol_handle));
+	mpt2sas_scsih_issue_tm(ioc, vol_handle, 0,
+	    MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30);
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset "
+	    "done: handle(0x%04x)\n", ioc->name, vol_handle));
+	if (ioc->shost_recovery)
+		return;
 
 	/* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */
 	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: handle"
@@ -4169,34 +4075,68 @@ _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device
 	memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
 	mpi_request.Operation = MPI2_SAS_OP_REMOVE_DEVICE;
-	mpi_request.DevHandle = handle;
-	mpi_request.VF_ID = 0; /* TODO */
-	mpi_request.VP_ID = 0;
+	mpi_request.DevHandle = cpu_to_le16(handle);
 	if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply,
-	    &mpi_request)) != 0) {
+	    &mpi_request)) != 0)
 		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
 		    ioc->name, __FILE__, __LINE__, __func__);
-	}
 
 	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: ioc_status"
 	    "(0x%04x), loginfo(0x%08x)\n", ioc->name,
 	    le16_to_cpu(mpi_reply.IOCStatus),
 	    le32_to_cpu(mpi_reply.IOCLogInfo)));
 
- out:
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: handle(0x%04x),"
+	    " sas_addr(0x%016llx)\n", ioc->name, __func__, handle,
+	    (unsigned long long) sas_device.sas_address));
+}
 
-	_scsih_ublock_io_device(ioc, handle);
+/**
+ * _scsih_remove_device -  removing sas device object
+ * @ioc: per adapter object
+ * @sas_device_delete: the sas_device object
+ *
+ * Return nothing.
+ */
+static void
+_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc,
+    struct _sas_device *sas_device)
+{
+	struct _sas_device sas_device_backup;
+	struct MPT2SAS_TARGET *sas_target_priv_data;
 
-	mpt2sas_transport_port_remove(ioc, sas_device->sas_address,
-	    sas_device->sas_address_parent);
+	if (!sas_device)
+		return;
 
-	printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
-	    "(0x%016llx)\n", ioc->name, handle,
-	    (unsigned long long) sas_device->sas_address);
+	memcpy(&sas_device_backup, sas_device, sizeof(struct _sas_device));
 	_scsih_sas_device_remove(ioc, sas_device);
 
-	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: handle"
-	    "(0x%04x)\n", ioc->name, __func__, handle));
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: "
+	    "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
+	    sas_device_backup.handle, (unsigned long long)
+	    sas_device_backup.sas_address));
+
+	if (sas_device_backup.starget && sas_device_backup.starget->hostdata) {
+		sas_target_priv_data = sas_device_backup.starget->hostdata;
+		sas_target_priv_data->deleted = 1;
+	}
+
+	if (sas_device_backup.hidden_raid_component)
+		_scsih_remove_pd_device(ioc, sas_device_backup);
+
+	_scsih_ublock_io_device(ioc, sas_device_backup.handle);
+
+	mpt2sas_transport_port_remove(ioc, sas_device_backup.sas_address,
+	    sas_device_backup.sas_address_parent);
+
+	printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
+	    "(0x%016llx)\n", ioc->name, sas_device_backup.handle,
+	    (unsigned long long) sas_device_backup.sas_address);
+
+	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: "
+	    "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
+	    sas_device_backup.handle, (unsigned long long)
+	    sas_device_backup.sas_address));
 }
 
 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
@@ -5442,7 +5382,6 @@ _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
 		if (sas_device->sas_address == sas_address &&
 		    sas_device->slot == slot && sas_device->starget) {
 			sas_device->responding = 1;
-			sas_device->state = 0;
 			starget = sas_device->starget;
 			sas_target_priv_data = starget->hostdata;
 			sas_target_priv_data->tm_busy = 0;

From e05a9e7b18dfcce6911d0b901d7f04387cc1d93c Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 9 Mar 2010 22:14:34 +0100
Subject: [PATCH 0286/3638] [SCSI] pm8001: drop redundant memset

The region set by the call to memset is immediately overwritten by the
subsequent call to memcpy.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2,e3,e4;
@@

- memset(e1,e2,e3);
  memcpy(e1,e4,e3);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/pm8001/pm8001_hwi.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 909c00ec044..5ff8261c5d6 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -4390,7 +4390,6 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
 				return -ENOMEM;
 		}
 	}
-	memset(buffer, 0, fw_control->len);
 	memcpy(buffer, fw_control->buffer, fw_control->len);
 	flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
 	flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);

From 6ce00cae684e7c6310e14634320184ca3c011750 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Thu, 11 Mar 2010 14:09:35 -0800
Subject: [PATCH 0287/3638] [SCSI] gdth: fix buffer overflow

This allows i == MAXHA, which is out of range

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/gdth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 35a4b3073ec..a765fe7a55c 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -3842,7 +3842,7 @@ int __init option_setup(char *str)
 
     TRACE2(("option_setup() str %s\n", str ? str:"NULL")); 
 
-    while (cur && isdigit(*cur) && i <= MAXHA) {
+    while (cur && isdigit(*cur) && i < MAXHA) {
         ints[i++] = simple_strtoul(cur, NULL, 0);
         if ((cur = strchr(cur, ',')) != NULL) cur++;
     }

From f3d6e1dcd291fd0da3accb0d60fbd0d26d2189ed Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Thu, 11 Mar 2010 14:09:44 -0800
Subject: [PATCH 0288/3638] [SCSI] pmcraid: redundant check in
 pmcraid_check_ioctl_buffer()

struct pmcraid_ioctl_header member buffer_length is unsigned, so this
check appears redundant.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Anil Ravindranath <anil_ravindranath@pmc-sierra.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/pmcraid.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 53aefffbaea..c44e4ab4e93 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -3751,12 +3751,6 @@ static int pmcraid_check_ioctl_buffer(
 		return -EINVAL;
 	}
 
-	/* buffer length can't be negetive */
-	if (hdr->buffer_length < 0) {
-		pmcraid_err("ioctl: invalid buffer length specified\n");
-		return -EINVAL;
-	}
-
 	/* check for appropriate buffer access */
 	if ((_IOC_DIR(cmd) & _IOC_READ) == _IOC_READ)
 		access = VERIFY_WRITE;

From 4644efabde172808c0a8b6e3f17e4c204a4e52e7 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 11 Mar 2010 14:09:55 -0800
Subject: [PATCH 0289/3638] [SCSI] bfa: eliminate useless code

The variable bfa_itnim is initialized twice to the same (side effect-free)
expression.  Drop one initialization.

A simplified version of the semantic match that finds this problem is:
(http://coccinelle.lip6.fr/)

// <smpl>
@forall@
idexpression *x;
identifier f!=ERR_PTR;
@@

x = f(...)
... when != x
(
x = f(...,<+...x...+>,...)
|
* x = f(...)
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Jing Huang <huangj@brocade.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bfa/bfad_im.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index 78f42aa5736..e2c70de2dba 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -252,7 +252,6 @@ bfad_im_target_reset_send(struct bfad_s *bfad, struct scsi_cmnd *cmnd,
 	struct bfa_itnim_s *bfa_itnim;
 	bfa_status_t    rc = BFA_STATUS_OK;
 
-	bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim);
 	tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd);
 	if (!tskim) {
 		BFA_DEV_PRINTF(bfad, BFA_ERR,

From fc193172e63af2c749e198816a1ee694dd6395e6 Mon Sep 17 00:00:00 2001
From: Richard A Lary <rlary@linux.vnet.ibm.com>
Date: Fri, 12 Mar 2010 15:27:06 -0800
Subject: [PATCH 0290/3638] [SCSI] mpt2sas: use correct pci_resource_flag for
 comparison

This patch replaces incorrect base address space flag with correct IO
resource flag.  Also, performs check of memory resource to validate
resource before using.

Signed-off-by: Richard A Lary <rlary@linux.vnet.ibm.com>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index da4bfbf95a7..fb886d099ba 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1253,7 +1253,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 	}
 
 	for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) {
-		if (pci_resource_flags(pdev, i) & PCI_BASE_ADDRESS_SPACE_IO) {
+		if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
 			if (pio_sz)
 				continue;
 			pio_chip = (u64)pci_resource_start(pdev, i);
@@ -1261,15 +1261,18 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 		} else {
 			if (memap_sz)
 				continue;
-			ioc->chip_phys = pci_resource_start(pdev, i);
-			chip_phys = (u64)ioc->chip_phys;
-			memap_sz = pci_resource_len(pdev, i);
-			ioc->chip = ioremap(ioc->chip_phys, memap_sz);
-			if (ioc->chip == NULL) {
-				printk(MPT2SAS_ERR_FMT "unable to map adapter "
-				    "memory!\n", ioc->name);
-				r = -EINVAL;
-				goto out_fail;
+			/* verify memory resource is valid before using */
+			if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
+				ioc->chip_phys = pci_resource_start(pdev, i);
+				chip_phys = (u64)ioc->chip_phys;
+				memap_sz = pci_resource_len(pdev, i);
+				ioc->chip = ioremap(ioc->chip_phys, memap_sz);
+				if (ioc->chip == NULL) {
+					printk(MPT2SAS_ERR_FMT "unable to map "
+					    "adapter memory!\n", ioc->name);
+					r = -EINVAL;
+					goto out_fail;
+				}
 			}
 		}
 	}

From a2f6a024e1a7ce37f424a567733501d98b8555d7 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:07:36 -0800
Subject: [PATCH 0291/3638] [SCSI] libfc: recode incoming PRLI handling

Reduce indentation in fc_rport_recv_prli_req() using gotos.
Also add payload length checks.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_rport.c | 193 +++++++++++++++-------------------
 1 file changed, 86 insertions(+), 107 deletions(-)

diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index b37d0ff28b3..39e440f0f54 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -1442,136 +1442,115 @@ static void fc_rport_recv_prli_req(struct fc_rport_priv *rdata,
 	struct fc_els_spp *spp;	/* response spp */
 	unsigned int len;
 	unsigned int plen;
-	enum fc_els_rjt_reason reason = ELS_RJT_UNAB;
-	enum fc_els_rjt_explan explan = ELS_EXPL_NONE;
 	enum fc_els_spp_resp resp;
 	struct fc_seq_els_data rjt_data;
 	u32 f_ctl;
 	u32 fcp_parm;
 	u32 roles = FC_RPORT_ROLE_UNKNOWN;
-	rjt_data.fp = NULL;
 
+	rjt_data.fp = NULL;
 	fh = fc_frame_header_get(rx_fp);
 
 	FC_RPORT_DBG(rdata, "Received PRLI request while in state %s\n",
 		     fc_rport_state(rdata));
 
-	switch (rdata->rp_state) {
-	case RPORT_ST_PRLI:
-	case RPORT_ST_RTV:
-	case RPORT_ST_READY:
-	case RPORT_ST_ADISC:
-		reason = ELS_RJT_NONE;
-		break;
-	default:
-		fc_frame_free(rx_fp);
-		return;
-		break;
-	}
 	len = fr_len(rx_fp) - sizeof(*fh);
 	pp = fc_frame_payload_get(rx_fp, sizeof(*pp));
-	if (pp == NULL) {
-		reason = ELS_RJT_PROT;
-		explan = ELS_EXPL_INV_LEN;
-	} else {
-		plen = ntohs(pp->prli.prli_len);
-		if ((plen % 4) != 0 || plen > len) {
-			reason = ELS_RJT_PROT;
-			explan = ELS_EXPL_INV_LEN;
-		} else if (plen < len) {
-			len = plen;
-		}
-		plen = pp->prli.prli_spp_len;
-		if ((plen % 4) != 0 || plen < sizeof(*spp) ||
-		    plen > len || len < sizeof(*pp)) {
-			reason = ELS_RJT_PROT;
-			explan = ELS_EXPL_INV_LEN;
-		}
-		rspp = &pp->spp;
+	if (!pp)
+		goto reject_len;
+	plen = ntohs(pp->prli.prli_len);
+	if ((plen % 4) != 0 || plen > len || plen < 16)
+		goto reject_len;
+	if (plen < len)
+		len = plen;
+	plen = pp->prli.prli_spp_len;
+	if ((plen % 4) != 0 || plen < sizeof(*spp) ||
+	    plen > len || len < sizeof(*pp) || plen < 12)
+		goto reject_len;
+	rspp = &pp->spp;
+
+	fp = fc_frame_alloc(lport, len);
+	if (!fp) {
+		rjt_data.reason = ELS_RJT_UNAB;
+		rjt_data.explan = ELS_EXPL_INSUF_RES;
+		goto reject;
 	}
-	if (reason != ELS_RJT_NONE ||
-	    (fp = fc_frame_alloc(lport, len)) == NULL) {
-		rjt_data.reason = reason;
-		rjt_data.explan = explan;
-		lport->tt.seq_els_rsp_send(sp, ELS_LS_RJT, &rjt_data);
-	} else {
-		sp = lport->tt.seq_start_next(sp);
-		WARN_ON(!sp);
-		pp = fc_frame_payload_get(fp, len);
-		WARN_ON(!pp);
-		memset(pp, 0, len);
-		pp->prli.prli_cmd = ELS_LS_ACC;
-		pp->prli.prli_spp_len = plen;
-		pp->prli.prli_len = htons(len);
-		len -= sizeof(struct fc_els_prli);
+	sp = lport->tt.seq_start_next(sp);
+	WARN_ON(!sp);
+	pp = fc_frame_payload_get(fp, len);
+	WARN_ON(!pp);
+	memset(pp, 0, len);
+	pp->prli.prli_cmd = ELS_LS_ACC;
+	pp->prli.prli_spp_len = plen;
+	pp->prli.prli_len = htons(len);
+	len -= sizeof(struct fc_els_prli);
 
-		/* reinitialize remote port roles */
-		rdata->ids.roles = FC_RPORT_ROLE_UNKNOWN;
+	/* reinitialize remote port roles */
+	rdata->ids.roles = FC_RPORT_ROLE_UNKNOWN;
 
-		/*
-		 * Go through all the service parameter pages and build
-		 * response.  If plen indicates longer SPP than standard,
-		 * use that.  The entire response has been pre-cleared above.
-		 */
-		spp = &pp->spp;
-		while (len >= plen) {
-			spp->spp_type = rspp->spp_type;
-			spp->spp_type_ext = rspp->spp_type_ext;
-			spp->spp_flags = rspp->spp_flags & FC_SPP_EST_IMG_PAIR;
-			resp = FC_SPP_RESP_ACK;
-			if (rspp->spp_flags & FC_SPP_RPA_VAL)
-				resp = FC_SPP_RESP_NO_PA;
-			switch (rspp->spp_type) {
-			case 0:	/* common to all FC-4 types */
-				break;
-			case FC_TYPE_FCP:
-				fcp_parm = ntohl(rspp->spp_params);
-				if (fcp_parm & FCP_SPPF_RETRY)
-					rdata->flags |= FC_RP_FLAGS_RETRY;
-				rdata->supported_classes = FC_COS_CLASS3;
-				if (fcp_parm & FCP_SPPF_INIT_FCN)
-					roles |= FC_RPORT_ROLE_FCP_INITIATOR;
-				if (fcp_parm & FCP_SPPF_TARG_FCN)
-					roles |= FC_RPORT_ROLE_FCP_TARGET;
-				rdata->ids.roles = roles;
+	/*
+	 * Go through all the service parameter pages and build
+	 * response.  If plen indicates longer SPP than standard,
+	 * use that.  The entire response has been pre-cleared above.
+	 */
+	spp = &pp->spp;
+	while (len >= plen) {
+		spp->spp_type = rspp->spp_type;
+		spp->spp_type_ext = rspp->spp_type_ext;
+		spp->spp_flags = rspp->spp_flags & FC_SPP_EST_IMG_PAIR;
+		resp = FC_SPP_RESP_ACK;
 
-				spp->spp_params =
-					htonl(lport->service_params);
-				break;
-			default:
-				resp = FC_SPP_RESP_INVL;
-				break;
-			}
-			spp->spp_flags |= resp;
-			len -= plen;
-			rspp = (struct fc_els_spp *)((char *)rspp + plen);
-			spp = (struct fc_els_spp *)((char *)spp + plen);
-		}
-
-		/*
-		 * Send LS_ACC.	 If this fails, the originator should retry.
-		 */
-		f_ctl = FC_FC_EX_CTX | FC_FC_LAST_SEQ;
-		f_ctl |= FC_FC_END_SEQ | FC_FC_SEQ_INIT;
-		ep = fc_seq_exch(sp);
-		fc_fill_fc_hdr(fp, FC_RCTL_ELS_REP, ep->did, ep->sid,
-			       FC_TYPE_ELS, f_ctl, 0);
-		lport->tt.seq_send(lport, sp, fp);
-
-		/*
-		 * Get lock and re-check state.
-		 */
-		switch (rdata->rp_state) {
-		case RPORT_ST_PRLI:
-			fc_rport_enter_ready(rdata);
+		switch (rspp->spp_type) {
+		case 0:	/* common to all FC-4 types */
 			break;
-		case RPORT_ST_READY:
-		case RPORT_ST_ADISC:
+		case FC_TYPE_FCP:
+			fcp_parm = ntohl(rspp->spp_params);
+			if (fcp_parm & FCP_SPPF_RETRY)
+				rdata->flags |= FC_RP_FLAGS_RETRY;
+			rdata->supported_classes = FC_COS_CLASS3;
+			if (fcp_parm & FCP_SPPF_INIT_FCN)
+				roles |= FC_RPORT_ROLE_FCP_INITIATOR;
+			if (fcp_parm & FCP_SPPF_TARG_FCN)
+				roles |= FC_RPORT_ROLE_FCP_TARGET;
+			rdata->ids.roles = roles;
+
+			spp->spp_params = htonl(lport->service_params);
 			break;
 		default:
+			resp = FC_SPP_RESP_INVL;
 			break;
 		}
+		spp->spp_flags |= resp;
+		len -= plen;
+		rspp = (struct fc_els_spp *)((char *)rspp + plen);
+		spp = (struct fc_els_spp *)((char *)spp + plen);
 	}
+
+	/*
+	 * Send LS_ACC.	 If this fails, the originator should retry.
+	 */
+	f_ctl = FC_FC_EX_CTX | FC_FC_LAST_SEQ;
+	f_ctl |= FC_FC_END_SEQ | FC_FC_SEQ_INIT;
+	ep = fc_seq_exch(sp);
+	fc_fill_fc_hdr(fp, FC_RCTL_ELS_REP, ep->did, ep->sid,
+		       FC_TYPE_ELS, f_ctl, 0);
+	lport->tt.seq_send(lport, sp, fp);
+
+	switch (rdata->rp_state) {
+	case RPORT_ST_PRLI:
+		fc_rport_enter_ready(rdata);
+		break;
+	default:
+		break;
+	}
+	goto drop;
+
+reject_len:
+	rjt_data.reason = ELS_RJT_PROT;
+	rjt_data.explan = ELS_EXPL_INV_LEN;
+reject:
+	lport->tt.seq_els_rsp_send(sp, ELS_LS_RJT, &rjt_data);
+drop:
 	fc_frame_free(rx_fp);
 }
 

From 4dc7ccf7e9d9bca1989b840be9e8e84911387cf2 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:07:41 -0800
Subject: [PATCH 0292/3638] [SCSI] libfc: add definition for task attribute
 mask

The FCP command header definition should define a mask for
the task attribute field.  This adds that #define.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 include/scsi/fc/fc_fcp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/scsi/fc/fc_fcp.h b/include/scsi/fc/fc_fcp.h
index 747e2c7d88d..8e9b222251c 100644
--- a/include/scsi/fc/fc_fcp.h
+++ b/include/scsi/fc/fc_fcp.h
@@ -76,6 +76,7 @@ struct fcp_cmnd32 {
 #define	FCP_PTA_HEADQ	    1	/* head of queue task attribute */
 #define	FCP_PTA_ORDERED     2	/* ordered task attribute */
 #define	FCP_PTA_ACA	    4	/* auto. contigent allegiance */
+#define	FCP_PTA_MASK	    7	/* mask for task attribute field */
 #define	FCP_PRI_SHIFT	    3	/* priority field starts in bit 3 */
 #define	FCP_PRI_RESVD_MASK  0x80	/* reserved bits in priority field */
 

From 2f2ac4a0df8c4beee6e4057a69fa973b6040a573 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:07:46 -0800
Subject: [PATCH 0293/3638] [SCSI] libfc: fix oops in point-to-point mode

In point-to-point mode, if the PLOGI to the remote port times
out, it can get deleted by the remote port module.  Since there's
no reference by the local port, lport->ptp_data points to a freed
rport, and when the local port is reset and tries to logout again,
an oops occurs in mutex_lock_nested().

Hold a reference count on the point-to-point rdata.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_lport.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index d126ecfff70..fe8700f4326 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -228,9 +228,12 @@ static void fc_lport_ptp_setup(struct fc_lport *lport,
 			       u64 remote_wwnn)
 {
 	mutex_lock(&lport->disc.disc_mutex);
-	if (lport->ptp_rdata)
+	if (lport->ptp_rdata) {
 		lport->tt.rport_logoff(lport->ptp_rdata);
+		kref_put(&lport->ptp_rdata->kref, lport->tt.rport_destroy);
+	}
 	lport->ptp_rdata = lport->tt.rport_create(lport, remote_fid);
+	kref_get(&lport->ptp_rdata->kref);
 	lport->ptp_rdata->ids.port_name = remote_wwpn;
 	lport->ptp_rdata->ids.node_name = remote_wwnn;
 	mutex_unlock(&lport->disc.disc_mutex);
@@ -947,7 +950,11 @@ static void fc_lport_reset_locked(struct fc_lport *lport)
 	if (lport->dns_rdata)
 		lport->tt.rport_logoff(lport->dns_rdata);
 
-	lport->ptp_rdata = NULL;
+	if (lport->ptp_rdata) {
+		lport->tt.rport_logoff(lport->ptp_rdata);
+		kref_put(&lport->ptp_rdata->kref, lport->tt.rport_destroy);
+		lport->ptp_rdata = NULL;
+	}
 
 	lport->tt.disc_stop(lport);
 

From 9860eeb49748df86e784fea09bb47ed6ae594383 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:07:52 -0800
Subject: [PATCH 0294/3638] [SCSI] fcoe: call fcoe_ctlr_els_send even for ELS
 responses

In point-to-point mode, the destination MAC address for
the FLOGI response was zero because the LS_ACC for the FLOGI
wasn't getting intercepted by FIP.

Change to call fcoe_ctlr_els_send when sending any ELS,
not just requests.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index f01b9b44e8a..7b0bb6e39a9 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1444,7 +1444,7 @@ int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 		return 0;
 	}
 
-	if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ) &&
+	if (unlikely(fh->fh_type == FC_TYPE_ELS) &&
 	    fcoe_ctlr_els_send(&fcoe->ctlr, lport, skb))
 		return 0;
 

From e49bf6145f50da2d95f9fab605ce74f8fb44cb16 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:07:57 -0800
Subject: [PATCH 0295/3638] [SCSI] libfcoe: fix debug message entering non-FIP
 mode

The debug message that indicated we are using non-FIP mode was
being printed only if we were already in non-FIP mode.
Also changed the message text to make it more clear the mode
is being set, not that the message is indicating how FLOGI
was received.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/libfcoe.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 3440da48d16..22f6e44fa73 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -1334,9 +1334,9 @@ int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *fip, struct fc_lport *lport,
 		if (fip->state == FIP_ST_AUTO || fip->state == FIP_ST_NON_FIP) {
 			memcpy(fip->dest_addr, sa, ETH_ALEN);
 			fip->map_dest = 0;
-			if (fip->state == FIP_ST_NON_FIP)
-				LIBFCOE_FIP_DBG(fip, "received FLOGI REQ, "
-						"using non-FIP mode\n");
+			if (fip->state == FIP_ST_AUTO)
+				LIBFCOE_FIP_DBG(fip, "received non-FIP FLOGI. "
+						"Setting non-FIP mode\n");
 			fip->state = FIP_ST_NON_FIP;
 		}
 		spin_unlock_bh(&fip->lock);

From 7d65b0df6c5951271cd368170bca8601aa2e65c7 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:08:02 -0800
Subject: [PATCH 0296/3638] [SCSI] fcoe: save gateway address when receiving
 FLOGI request

In point-to-point mode, we need to save the source MAC
from received FLOGI requests to use as the destination MAC
for all outgoing frames.  We stopped doing that at some point.

Use the lport_set_port_id method to catch incoming FLOGI frames
and pass them to fcoe_ctlr_recv_flogi() so it can save the source MAC.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 7b0bb6e39a9..17bf3ca82af 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -146,6 +146,7 @@ static int fcoe_vport_destroy(struct fc_vport *);
 static int fcoe_vport_create(struct fc_vport *, bool disabled);
 static int fcoe_vport_disable(struct fc_vport *, bool disable);
 static void fcoe_set_vport_symbolic_name(struct fc_vport *);
+static void fcoe_set_port_id(struct fc_lport *, u32, struct fc_frame *);
 
 static struct libfc_function_template fcoe_libfc_fcn_templ = {
 	.frame_send = fcoe_xmit,
@@ -153,6 +154,7 @@ static struct libfc_function_template fcoe_libfc_fcn_templ = {
 	.ddp_done = fcoe_ddp_done,
 	.elsct_send = fcoe_elsct_send,
 	.get_lesb = fcoe_get_lesb,
+	.lport_set_port_id = fcoe_set_port_id,
 };
 
 struct fc_function_template fcoe_transport_function = {
@@ -2631,3 +2633,25 @@ static void fcoe_get_lesb(struct fc_lport *lport,
 	lesb->lesb_miss_fka = htonl(mdac);
 	lesb->lesb_fcs_error = htonl(dev_get_stats(netdev)->rx_crc_errors);
 }
+
+/**
+ * fcoe_set_port_id() - Callback from libfc when Port_ID is set.
+ * @lport: the local port
+ * @port_id: the port ID
+ * @fp: the received frame, if any, that caused the port_id to be set.
+ *
+ * This routine handles the case where we received a FLOGI and are
+ * entering point-to-point mode.  We need to call fcoe_ctlr_recv_flogi()
+ * so it can set the non-mapped mode and gateway address.
+ *
+ * The FLOGI LS_ACC is handled by fcoe_flogi_resp().
+ */
+static void fcoe_set_port_id(struct fc_lport *lport,
+			     u32 port_id, struct fc_frame *fp)
+{
+	struct fcoe_port *port = lport_priv(lport);
+	struct fcoe_interface *fcoe = port->fcoe;
+
+	if (fp && fc_frame_payload_op(fp) == ELS_FLOGI)
+		fcoe_ctlr_recv_flogi(&fcoe->ctlr, lport, fp);
+}

From f4568b8b9766d083c0e61346173bb22274128208 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:08:07 -0800
Subject: [PATCH 0297/3638] [SCSI] libfc: recognize incoming FLOGI for
 point-to-point mode

When receiving a FLOGI request from a point-to-point peer,
the D_ID of 0xfffffe was not recognized as belonging to one
of the lports, so it was dropped.

Change fc_vport_id_lookup() to treat d_id 0xfffffe as a match.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_npiv.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/libfc/fc_npiv.c b/drivers/scsi/libfc/fc_npiv.c
index c68f6c7341c..45b6f1e2df9 100644
--- a/drivers/scsi/libfc/fc_npiv.c
+++ b/drivers/scsi/libfc/fc_npiv.c
@@ -72,6 +72,9 @@ struct fc_lport *fc_vport_id_lookup(struct fc_lport *n_port, u32 port_id)
 	if (fc_host_port_id(n_port->host) == port_id)
 		return n_port;
 
+	if (port_id == FC_FID_FLOGI)
+		return n_port;		/* for point-to-point */
+
 	mutex_lock(&n_port->lp_mutex);
 	list_for_each_entry(vn_port, &n_port->vports, list) {
 		if (fc_host_port_id(vn_port->host) == port_id) {

From ccfc3098029229d5298d4fc07f1b2c967526e56b Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:08:12 -0800
Subject: [PATCH 0298/3638] [SCSI] libfc: send point-to-poin FLOGI LS_ACC to
 assigned D_DID

The method we've been using for point-to-point mode requires
that the LS_ACC for the FLOGI uses the D_ID and S_ID assigned
to the remote port and local port, not those in the exchange.

This is not the correct method, but for now, it's what works
with the old target, as well as with new targets based on libfc.

This patch changes the addresses used accordingly.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_lport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index fe8700f4326..a6cf94d44ef 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -835,7 +835,7 @@ static void fc_lport_recv_flogi_req(struct fc_seq *sp_in,
 		 */
 		f_ctl = FC_FC_EX_CTX | FC_FC_LAST_SEQ | FC_FC_END_SEQ;
 		ep = fc_seq_exch(sp);
-		fc_fill_fc_hdr(fp, FC_RCTL_ELS_REP, ep->did, ep->sid,
+		fc_fill_fc_hdr(fp, FC_RCTL_ELS_REP, remote_fid, local_fid,
 			       FC_TYPE_ELS, f_ctl, 0);
 		lport->tt.seq_send(lport, sp, fp);
 

From 50036bbae0ed4d4e610bd59e0ce285ed20c1bee6 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:08:18 -0800
Subject: [PATCH 0299/3638] [SCSI] fcoe: remove an unused variable in
 fcoe_recv_frame()

Remove an unused variable, mac, in fcoe_recv_frame().

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 17bf3ca82af..fd0b2b3b27b 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1565,7 +1565,6 @@ static void fcoe_recv_frame(struct sk_buff *skb)
 	struct fc_frame_header *fh;
 	struct fcoe_crc_eof crc_eof;
 	struct fc_frame *fp;
-	u8 *mac = NULL;
 	struct fcoe_port *port;
 	struct fcoe_hdr *hp;
 
@@ -1585,13 +1584,9 @@ static void fcoe_recv_frame(struct sk_buff *skb)
 			skb_end_pointer(skb), skb->csum,
 			skb->dev ? skb->dev->name : "<NULL>");
 
-	/*
-	 * Save source MAC address before discarding header.
-	 */
 	port = lport_priv(lport);
 	if (skb_is_nonlinear(skb))
 		skb_linearize(skb);	/* not ideal */
-	mac = eth_hdr(skb)->h_source;
 
 	/*
 	 * Frame length checks and setting up the header pointers

From 4291365784c9622c9d643cf23421f9c7b9662d71 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:08:23 -0800
Subject: [PATCH 0300/3638] [SCSI] libfcoe: eliminate unused link and last_link
 fields

The link and last_link fields in the fcoe_ctlr struct are no
longer useful, since they are always set to the same value,
and FIP always calls libfc to pass link information to the lport.

Eliminate those fields and rename link_work to timer_work, since
it no longer has any link change work to do.

Thanks to Brian Uchino for discovering this issue.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/libfcoe.c | 40 ++++++++++---------------------------
 include/scsi/libfcoe.h      |  8 ++------
 2 files changed, 13 insertions(+), 35 deletions(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 22f6e44fa73..b7718be3c09 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -51,7 +51,7 @@ MODULE_LICENSE("GPL v2");
 #define	FCOE_CTLR_DEF_FKA	FIP_DEF_FKA	/* default keep alive (mS) */
 
 static void fcoe_ctlr_timeout(unsigned long);
-static void fcoe_ctlr_link_work(struct work_struct *);
+static void fcoe_ctlr_timer_work(struct work_struct *);
 static void fcoe_ctlr_recv_work(struct work_struct *);
 
 static u8 fcoe_all_fcfs[ETH_ALEN] = FIP_ALL_FCF_MACS;
@@ -116,7 +116,7 @@ void fcoe_ctlr_init(struct fcoe_ctlr *fip)
 	spin_lock_init(&fip->lock);
 	fip->flogi_oxid = FC_XID_UNKNOWN;
 	setup_timer(&fip->timer, fcoe_ctlr_timeout, (unsigned long)fip);
-	INIT_WORK(&fip->link_work, fcoe_ctlr_link_work);
+	INIT_WORK(&fip->timer_work, fcoe_ctlr_timer_work);
 	INIT_WORK(&fip->recv_work, fcoe_ctlr_recv_work);
 	skb_queue_head_init(&fip->fip_recv_list);
 }
@@ -164,7 +164,7 @@ void fcoe_ctlr_destroy(struct fcoe_ctlr *fip)
 	fcoe_ctlr_reset_fcfs(fip);
 	spin_unlock_bh(&fip->lock);
 	del_timer_sync(&fip->timer);
-	cancel_work_sync(&fip->link_work);
+	cancel_work_sync(&fip->timer_work);
 }
 EXPORT_SYMBOL(fcoe_ctlr_destroy);
 
@@ -257,14 +257,10 @@ void fcoe_ctlr_link_up(struct fcoe_ctlr *fip)
 {
 	spin_lock_bh(&fip->lock);
 	if (fip->state == FIP_ST_NON_FIP || fip->state == FIP_ST_AUTO) {
-		fip->last_link = 1;
-		fip->link = 1;
 		spin_unlock_bh(&fip->lock);
 		fc_linkup(fip->lp);
 	} else if (fip->state == FIP_ST_LINK_WAIT) {
 		fip->state = fip->mode;
-		fip->last_link = 1;
-		fip->link = 1;
 		spin_unlock_bh(&fip->lock);
 		if (fip->state == FIP_ST_AUTO)
 			LIBFCOE_FIP_DBG(fip, "%s", "setting AUTO mode.\n");
@@ -306,9 +302,7 @@ int fcoe_ctlr_link_down(struct fcoe_ctlr *fip)
 	LIBFCOE_FIP_DBG(fip, "link down.\n");
 	spin_lock_bh(&fip->lock);
 	fcoe_ctlr_reset(fip);
-	link_dropped = fip->link;
-	fip->link = 0;
-	fip->last_link = 0;
+	link_dropped = fip->state != FIP_ST_LINK_WAIT;
 	fip->state = FIP_ST_LINK_WAIT;
 	spin_unlock_bh(&fip->lock);
 
@@ -1175,7 +1169,7 @@ static void fcoe_ctlr_timeout(unsigned long arg)
 			       "Starting FCF discovery.\n",
 			       fip->lp->host->host_no);
 			fip->reset_req = 1;
-			schedule_work(&fip->link_work);
+			schedule_work(&fip->timer_work);
 		}
 	}
 
@@ -1201,43 +1195,31 @@ static void fcoe_ctlr_timeout(unsigned long arg)
 		mod_timer(&fip->timer, next_timer);
 	}
 	if (fip->send_ctlr_ka || fip->send_port_ka)
-		schedule_work(&fip->link_work);
+		schedule_work(&fip->timer_work);
 	spin_unlock_bh(&fip->lock);
 }
 
 /**
- * fcoe_ctlr_link_work() - Worker thread function for link changes
+ * fcoe_ctlr_timer_work() - Worker thread function for timer work
  * @work: Handle to a FCoE controller
  *
- * See if the link status has changed and if so, report it.
- *
- * This is here because fc_linkup() and fc_linkdown() must not
+ * Sends keep-alives and resets which must not
  * be called from the timer directly, since they use a mutex.
  */
-static void fcoe_ctlr_link_work(struct work_struct *work)
+static void fcoe_ctlr_timer_work(struct work_struct *work)
 {
 	struct fcoe_ctlr *fip;
 	struct fc_lport *vport;
 	u8 *mac;
-	int link;
-	int last_link;
 	int reset;
 
-	fip = container_of(work, struct fcoe_ctlr, link_work);
+	fip = container_of(work, struct fcoe_ctlr, timer_work);
 	spin_lock_bh(&fip->lock);
-	last_link = fip->last_link;
-	link = fip->link;
-	fip->last_link = link;
 	reset = fip->reset_req;
 	fip->reset_req = 0;
 	spin_unlock_bh(&fip->lock);
 
-	if (last_link != link) {
-		if (link)
-			fc_linkup(fip->lp);
-		else
-			fc_linkdown(fip->lp);
-	} else if (reset && link)
+	if (reset)
 		fc_lport_reset(fip->lp);
 
 	if (fip->send_ctlr_ka) {
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index c603f4a7e7f..868ed26a976 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -65,14 +65,12 @@ enum fip_state {
  * @port_ka_time:  time of next port keep-alive.
  * @ctlr_ka_time:  time of next controller keep-alive.
  * @timer:	   timer struct used for all delayed events.
- * @link_work:	   &work_struct for doing FCF selection.
+ * @timer_work:	   &work_struct for doing keep-alives and resets.
  * @recv_work:	   &work_struct for receiving FIP frames.
  * @fip_recv_list: list of received FIP frames.
  * @user_mfs:	   configured maximum FC frame size, including FC header.
  * @flogi_oxid:    exchange ID of most recent fabric login.
  * @flogi_count:   number of FLOGI attempts in AUTO mode.
- * @link:	   current link status for libfc.
- * @last_link:	   last link state reported to libfc.
  * @map_dest:	   use the FC_MAP mode for destination MAC addresses.
  * @spma:	   supports SPMA server-provided MACs mode
  * @send_ctlr_ka:  need to send controller keep alive
@@ -100,14 +98,12 @@ struct fcoe_ctlr {
 	unsigned long port_ka_time;
 	unsigned long ctlr_ka_time;
 	struct timer_list timer;
-	struct work_struct link_work;
+	struct work_struct timer_work;
 	struct work_struct recv_work;
 	struct sk_buff_head fip_recv_list;
 	u16 user_mfs;
 	u16 flogi_oxid;
 	u8 flogi_count;
-	u8 link;
-	u8 last_link;
 	u8 reset_req;
 	u8 map_dest;
 	u8 spma;

From cc3593d3882ffa7dfaa739a8302b256955be7d99 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:08:29 -0800
Subject: [PATCH 0301/3638] [SCSI] libfc: fix sequence-initiative WARN in
 fc_seq_start_next

When starting a new response sequence in a multi-sequence
exchange, a warning was issued that sequence initiative
wasn't held.

The bug was that sequence initiative was cleared by the previous
sequence due to the END_SEQ flag being on.  The intent may have
been to check LAST_SEQ.  Change just to check SEQ_INIT.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_exch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index e5df0d4db67..7cc084cf995 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -488,7 +488,7 @@ static int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp,
 	 */
 	spin_lock_bh(&ep->ex_lock);
 	ep->f_ctl = f_ctl & ~FC_FC_FIRST_SEQ;	/* not first seq */
-	if (f_ctl & (FC_FC_END_SEQ | FC_FC_SEQ_INIT))
+	if (f_ctl & FC_FC_SEQ_INIT)
 		ep->esb_stat &= ~ESB_ST_SEQ_INIT;
 	spin_unlock_bh(&ep->ex_lock);
 	return error;

From a104c844576c6bdc44c6f1336e30a5fcd90fef1c Mon Sep 17 00:00:00 2001
From: Vasu Dev <vasu.dev@intel.com>
Date: Fri, 12 Mar 2010 16:08:34 -0800
Subject: [PATCH 0302/3638] [SCSI] libfc: fixes unnecessary seq id jump

In some cases seq is incremented twice causing unnecessary
seq jump, for instance fc_exch_recv_seq_resp increments
seq id when fc_sof_is_init is true and that is true for
each incoming xfer ready but then fc_fcp_send_data does
another seq increment to send data for xfer ready.

This patch removes all such seq id jumps, at least it
eliminates few calls to fc_seq_start_next using ex_lock.

Also removes seq id update with incoming frame's seq id
as this is not needed since each end (I or T) just need
to send incremented their own seq id on each TSI from
other end & before sending new sequence within a
exchange.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_exch.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 7cc084cf995..981021edfba 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -920,12 +920,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
 	 * Find or create the sequence.
 	 */
 	if (fc_sof_is_init(fr_sof(fp))) {
-		sp = fc_seq_start_next(&ep->seq);
-		if (!sp) {
-			reject = FC_RJT_SEQ_XS;	/* exchange shortage */
-			goto rel;
-		}
-		sp->id = fh->fh_seq_id;
+		sp = &ep->seq;
 		sp->ssb_stat |= SSB_ST_RESP;
 	} else {
 		sp = &ep->seq;
@@ -1336,17 +1331,14 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
 		goto rel;
 	}
 	sof = fr_sof(fp);
-	if (fc_sof_is_init(sof)) {
-		sp = fc_seq_start_next(&ep->seq);
-		sp->id = fh->fh_seq_id;
+	sp = &ep->seq;
+	if (fc_sof_is_init(sof))
 		sp->ssb_stat |= SSB_ST_RESP;
-	} else {
-		sp = &ep->seq;
-		if (sp->id != fh->fh_seq_id) {
+	else if (sp->id != fh->fh_seq_id) {
 			atomic_inc(&mp->stats.seq_not_found);
 			goto rel;
-		}
 	}
+
 	f_ctl = ntoh24(fh->fh_f_ctl);
 	fr_seq(fp) = sp;
 	if (f_ctl & FC_FC_SEQ_INIT)
@@ -1763,7 +1755,6 @@ static void fc_exch_els_rec(struct fc_seq *sp, struct fc_frame *rfp)
 		fc_exch_done(sp);
 		goto out;
 	}
-	sp = fc_seq_start_next(sp);
 	acc = fc_frame_payload_get(fp, sizeof(*acc));
 	memset(acc, 0, sizeof(*acc));
 	acc->reca_cmd = ELS_LS_ACC;

From 3e22760d4db6fd89e0be46c3d132390a251da9c6 Mon Sep 17 00:00:00 2001
From: Vasu Dev <vasu.dev@intel.com>
Date: Fri, 12 Mar 2010 16:08:39 -0800
Subject: [PATCH 0303/3638] [SCSI] libfc: use offload EM instance again instead
 jumping to next EM

Since use of offloads is more efficient than switching
to non-offload EM. However kept logic same to call em_match
if it is provided in the list of EMs.

Converted fc_exch_alloc to inline being now tiny a function
and already not an exported libfc API any more.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_exch.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 981021edfba..dc12a2bf0c9 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -734,19 +734,14 @@ err:
  * EM is selected when a NULL match function pointer is encountered
  * or when a call to a match function returns true.
  */
-static struct fc_exch *fc_exch_alloc(struct fc_lport *lport,
-				     struct fc_frame *fp)
+static inline struct fc_exch *fc_exch_alloc(struct fc_lport *lport,
+					    struct fc_frame *fp)
 {
 	struct fc_exch_mgr_anchor *ema;
-	struct fc_exch *ep;
 
-	list_for_each_entry(ema, &lport->ema_list, ema_list) {
-		if (!ema->match || ema->match(fp)) {
-			ep = fc_exch_em_alloc(lport, ema->mp);
-			if (ep)
-				return ep;
-		}
-	}
+	list_for_each_entry(ema, &lport->ema_list, ema_list)
+		if (!ema->match || ema->match(fp))
+			return fc_exch_em_alloc(lport, ema->mp);
 	return NULL;
 }
 

From 5c12c418e905aac2826bb70f947648944c079ed9 Mon Sep 17 00:00:00 2001
From: Vasu Dev <vasu.dev@intel.com>
Date: Fri, 12 Mar 2010 16:08:44 -0800
Subject: [PATCH 0304/3638] [SCSI] libfc: fix fcp pkt recovery in
 fc_fcp_recv_data

Currently fc_fcp_recv_data calls fc_fcp_retry_cmd to
retry failed IO but in this case tgt is still sending
data frames, therefore exchange needs to be aborted
first before initiating retry. So this patch fixes
this by aborting exchange first then have retry.

Renames fc_timeout_error to fc_fcp_recovery since
fc_timeout_error is already called from several other
places beside from fcp timeout handler and then
used fc_fcp_recovery for abort & retry from
fc_fcp_recv_data, this rename also required renaming
FC_CMD_TIME_OUT status to FC_CMD_RECOVERY to be
consistent with new fc_fcp_recovery.

Data frames are not expected for an DDPed exchange and
potentially it could be tampered data frame, so does
recovery in this case by calling fc_fcp_recovery.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_fcp.c | 47 ++++++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 17396c708b0..39f18e39125 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -97,7 +97,7 @@ static void fc_fcp_resp(struct fc_fcp_pkt *, struct fc_frame *);
 static void fc_fcp_complete_locked(struct fc_fcp_pkt *);
 static void fc_tm_done(struct fc_seq *, struct fc_frame *, void *);
 static void fc_fcp_error(struct fc_fcp_pkt *, struct fc_frame *);
-static void fc_timeout_error(struct fc_fcp_pkt *);
+static void fc_fcp_recovery(struct fc_fcp_pkt *);
 static void fc_fcp_timeout(unsigned long);
 static void fc_fcp_rec(struct fc_fcp_pkt *);
 static void fc_fcp_rec_error(struct fc_fcp_pkt *, struct fc_frame *);
@@ -121,7 +121,7 @@ static void fc_fcp_srr_error(struct fc_fcp_pkt *, struct fc_frame *);
 #define FC_DATA_UNDRUN		7
 #define FC_ERROR		8
 #define FC_HRD_ERROR		9
-#define FC_CMD_TIME_OUT		10
+#define FC_CMD_RECOVERY		10
 
 /*
  * Error recovery timeout values.
@@ -446,9 +446,16 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 	len = fr_len(fp) - sizeof(*fh);
 	buf = fc_frame_payload_get(fp, 0);
 
-	/* if this I/O is ddped, update xfer len */
-	fc_fcp_ddp_done(fsp);
-
+	/*
+	 * if this I/O is ddped then clear it
+	 * and initiate recovery since data
+	 * frames are expected to be placed
+	 * directly in that case.
+	 */
+	if (fsp->xfer_ddp != FC_XID_UNKNOWN) {
+		fc_fcp_ddp_done(fsp);
+		goto err;
+	}
 	if (offset + len > fsp->data_len) {
 		/* this should never happen */
 		if ((fr_flags(fp) & FCPHF_CRC_UNCHECKED) &&
@@ -456,8 +463,7 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 			goto crc_err;
 		FC_FCP_DBG(fsp, "data received past end. len %zx offset %zx "
 			   "data_len %x\n", len, offset, fsp->data_len);
-		fc_fcp_retry_cmd(fsp);
-		return;
+		goto err;
 	}
 	if (offset != fsp->xfer_len)
 		fsp->state |= FC_SRB_DISCONTIG;
@@ -493,7 +499,7 @@ crc_err:
 			 * Otherwise, ignore it.
 			 */
 			if (fsp->state & FC_SRB_DISCONTIG)
-				fc_fcp_retry_cmd(fsp);
+				goto err;
 			return;
 		}
 	}
@@ -509,6 +515,9 @@ crc_err:
 	if (unlikely(fsp->state & FC_SRB_RCV_STATUS) &&
 	    fsp->xfer_len == fsp->data_len - fsp->scsi_resid)
 		fc_fcp_complete_locked(fsp);
+	return;
+err:
+	fc_fcp_recovery(fsp);
 }
 
 /**
@@ -1341,7 +1350,7 @@ static void fc_fcp_timeout(unsigned long data)
 	else if (fsp->state & FC_SRB_RCV_STATUS)
 		fc_fcp_complete_locked(fsp);
 	else
-		fc_timeout_error(fsp);
+		fc_fcp_recovery(fsp);
 	fsp->state &= ~FC_SRB_FCP_PROCESSING_TMO;
 unlock:
 	fc_fcp_unlock_pkt(fsp);
@@ -1385,7 +1394,7 @@ retry:
 	if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY)
 		fc_fcp_timer_set(fsp, FC_SCSI_REC_TOV);
 	else
-		fc_timeout_error(fsp);
+		fc_fcp_recovery(fsp);
 }
 
 /**
@@ -1454,7 +1463,7 @@ static void fc_fcp_rec_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg)
 				fc_fcp_retry_cmd(fsp);
 				break;
 			}
-			fc_timeout_error(fsp);
+			fc_fcp_recovery(fsp);
 			break;
 		}
 	} else if (opcode == ELS_LS_ACC) {
@@ -1569,7 +1578,7 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 		if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY)
 			fc_fcp_rec(fsp);
 		else
-			fc_timeout_error(fsp);
+			fc_fcp_recovery(fsp);
 		break;
 	}
 	fc_fcp_unlock_pkt(fsp);
@@ -1578,12 +1587,12 @@ out:
 }
 
 /**
- * fc_timeout_error() - Handler for fcp_pkt timeouts
- * @fsp: The FCP packt that has timed out
+ * fc_fcp_recovery() - Handler for fcp_pkt recovery
+ * @fsp: The FCP pkt that needs to be aborted
  */
-static void fc_timeout_error(struct fc_fcp_pkt *fsp)
+static void fc_fcp_recovery(struct fc_fcp_pkt *fsp)
 {
-	fsp->status_code = FC_CMD_TIME_OUT;
+	fsp->status_code = FC_CMD_RECOVERY;
 	fsp->cdb_status = 0;
 	fsp->io_status = 0;
 	/*
@@ -1689,7 +1698,7 @@ static void fc_fcp_srr_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg)
 		break;
 	case ELS_LS_RJT:
 	default:
-		fc_timeout_error(fsp);
+		fc_fcp_recovery(fsp);
 		break;
 	}
 	fc_fcp_unlock_pkt(fsp);
@@ -1715,7 +1724,7 @@ static void fc_fcp_srr_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 		if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY)
 			fc_fcp_rec(fsp);
 		else
-			fc_timeout_error(fsp);
+			fc_fcp_recovery(fsp);
 		break;
 	case -FC_EX_CLOSED:			/* e.g., link failure */
 		/* fall through */
@@ -1934,7 +1943,7 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
 	case FC_CMD_ABORTED:
 		sc_cmd->result = (DID_ERROR << 16) | fsp->io_status;
 		break;
-	case FC_CMD_TIME_OUT:
+	case FC_CMD_RECOVERY:
 		sc_cmd->result = (DID_BUS_BUSY << 16) | fsp->io_status;
 		break;
 	case FC_CMD_RESET:

From b3ef990c1514859bffae221b9e82e46a38f1e7bf Mon Sep 17 00:00:00 2001
From: Robert Love <robert.w.love@intel.com>
Date: Fri, 12 Mar 2010 16:08:50 -0800
Subject: [PATCH 0305/3638] [SCSI] libfc: Add debug statements when fc_fcp
 returns DID_ERROR to scsi-ml

DID_ERROR cases can be ambigouos. Debugging FCP error cases
will be much easier if we have debug statements when we hit
these error conditions.

This patch simply adds debug messages using the FC_FCP_DBG
macro when we return DID_ERROR to SCSI. This way if a DID_ERROR
is reproducible turning on debug_logging will give a clue
to developers as to what the problem might be.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_fcp.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 39f18e39125..044c420a137 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -1916,6 +1916,8 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
 		}
 		break;
 	case FC_ERROR:
+		FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml "
+			   "due to FC_ERROR\n");
 		sc_cmd->result = DID_ERROR << 16;
 		break;
 	case FC_DATA_UNDRUN:
@@ -1924,12 +1926,19 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
 			 * scsi status is good but transport level
 			 * underrun.
 			 */
-			sc_cmd->result = (fsp->state & FC_SRB_RCV_STATUS ?
-					  DID_OK : DID_ERROR) << 16;
+			if (fsp->state & FC_SRB_RCV_STATUS) {
+				sc_cmd->result = DID_OK << 16;
+			} else {
+				FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml"
+					   " due to FC_DATA_UNDRUN (trans)\n");
+				sc_cmd->result = DID_ERROR << 16;
+			}
 		} else {
 			/*
 			 * scsi got underrun, this is an error
 			 */
+			FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml "
+				   "due to FC_DATA_UNDRUN (scsi)\n");
 			CMD_RESID_LEN(sc_cmd) = fsp->scsi_resid;
 			sc_cmd->result = (DID_ERROR << 16) | fsp->cdb_status;
 		}
@@ -1938,9 +1947,13 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
 		/*
 		 * overrun is an error
 		 */
+		FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml "
+			   "due to FC_DATA_OVRRUN\n");
 		sc_cmd->result = (DID_ERROR << 16) | fsp->cdb_status;
 		break;
 	case FC_CMD_ABORTED:
+		FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml "
+			   "due to FC_CMD_ABORTED\n");
 		sc_cmd->result = (DID_ERROR << 16) | fsp->io_status;
 		break;
 	case FC_CMD_RECOVERY:
@@ -1953,6 +1966,8 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
 		sc_cmd->result = (DID_NO_CONNECT << 16);
 		break;
 	default:
+		FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml "
+			   "due to unknown error\n");
 		sc_cmd->result = (DID_ERROR << 16);
 		break;
 	}

From f018b73af6db4f330ad5da9ac53997a699c30c42 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 12 Mar 2010 16:08:55 -0800
Subject: [PATCH 0306/3638] [SCSI] libfc, libfcoe, fcoe: use smp_processor_id()
 only when preempt disabled

When the kernel is configured for preemption, using smp_processor_id()
when preemption is enabled causes a warning backtrace and is wrong
since we could move off of that CPU as soon as we get the ID,
and we would be referencing the wrong CPU, and possibly an invalid one
if it could be hotswapped out.

Remove the fc_lport_get_stats() function and explicitly use per_cpu_ptr()
to get the statistics.  Where preemption has been disabled by holding
a _bh lock continue to use smp_processor_id(), but otherwise use
get_cpu()/put_cpu().

In fcoe_recv_frame() also changed the cases where we return in the
middle to do a goto to the code which bumps ErrorFrames and does
a put_cpu().  Two of these cases didn't bump ErrorFrames before, but
doing so is harmless because they "can't happen", due to prior length
checks.

Also rearranged code in fcoe_recv_frame() to have only one call to
fc_exch_recv().  It's just as efficient and saves a call to put_cpu().

In fc_fcp.c, adjusted a FIXME comment for code which doesn't need fixing.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c     | 51 ++++++++++++++++++------------------
 drivers/scsi/fcoe/libfcoe.c  | 19 +++++++++-----
 drivers/scsi/libfc/fc_exch.c |  3 ++-
 drivers/scsi/libfc/fc_fcp.c  |  8 +++---
 include/scsi/libfc.h         |  9 -------
 5 files changed, 45 insertions(+), 45 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index fd0b2b3b27b..927b3e63d87 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1075,7 +1075,7 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu)
 	struct sk_buff *skb;
 #ifdef CONFIG_SMP
 	struct fcoe_percpu_s *p0;
-	unsigned targ_cpu = smp_processor_id();
+	unsigned targ_cpu = get_cpu();
 #endif /* CONFIG_SMP */
 
 	FCOE_DBG("Destroying receive thread for CPU %d\n", cpu);
@@ -1131,6 +1131,7 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu)
 			kfree_skb(skb);
 		spin_unlock_bh(&p->fcoe_rx_list.lock);
 	}
+	put_cpu();
 #else
 	/*
 	 * This a non-SMP scenario where the singular Rx thread is
@@ -1299,8 +1300,8 @@ int fcoe_rcv(struct sk_buff *skb, struct net_device *netdev,
 
 	return 0;
 err:
-	fc_lport_get_stats(lport)->ErrorFrames++;
-
+	per_cpu_ptr(lport->dev_stats, get_cpu())->ErrorFrames++;
+	put_cpu();
 err2:
 	kfree_skb(skb);
 	return -1;
@@ -1529,9 +1530,10 @@ int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 		skb_shinfo(skb)->gso_size = 0;
 	}
 	/* update tx stats: regardless if LLD fails */
-	stats = fc_lport_get_stats(lport);
+	stats = per_cpu_ptr(lport->dev_stats, get_cpu());
 	stats->TxFrames++;
 	stats->TxWords += wlen;
+	put_cpu();
 
 	/* send down to lld */
 	fr_dev(fp) = lport;
@@ -1595,7 +1597,7 @@ static void fcoe_recv_frame(struct sk_buff *skb)
 	hp = (struct fcoe_hdr *) skb_network_header(skb);
 	fh = (struct fc_frame_header *) skb_transport_header(skb);
 
-	stats = fc_lport_get_stats(lport);
+	stats = per_cpu_ptr(lport->dev_stats, get_cpu());
 	if (unlikely(FC_FCOE_DECAPS_VER(hp) != FC_FCOE_VER)) {
 		if (stats->ErrorFrames < 5)
 			printk(KERN_WARNING "fcoe: FCoE version "
@@ -1604,9 +1606,7 @@ static void fcoe_recv_frame(struct sk_buff *skb)
 			       "initiator supports version "
 			       "%x\n", FC_FCOE_DECAPS_VER(hp),
 			       FC_FCOE_VER);
-		stats->ErrorFrames++;
-		kfree_skb(skb);
-		return;
+		goto drop;
 	}
 
 	skb_pull(skb, sizeof(struct fcoe_hdr));
@@ -1621,16 +1621,12 @@ static void fcoe_recv_frame(struct sk_buff *skb)
 	fr_sof(fp) = hp->fcoe_sof;
 
 	/* Copy out the CRC and EOF trailer for access */
-	if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) {
-		kfree_skb(skb);
-		return;
-	}
+	if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof)))
+		goto drop;
 	fr_eof(fp) = crc_eof.fcoe_eof;
 	fr_crc(fp) = crc_eof.fcoe_crc32;
-	if (pskb_trim(skb, fr_len)) {
-		kfree_skb(skb);
-		return;
-	}
+	if (pskb_trim(skb, fr_len))
+		goto drop;
 
 	/*
 	 * We only check CRC if no offload is available and if it is
@@ -1644,25 +1640,27 @@ static void fcoe_recv_frame(struct sk_buff *skb)
 		fr_flags(fp) |= FCPHF_CRC_UNCHECKED;
 
 	fh = fc_frame_header_get(fp);
-	if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA &&
-	    fh->fh_type == FC_TYPE_FCP) {
-		fc_exch_recv(lport, fp);
-		return;
-	}
-	if (fr_flags(fp) & FCPHF_CRC_UNCHECKED) {
+	if ((fh->fh_r_ctl != FC_RCTL_DD_SOL_DATA ||
+	    fh->fh_type != FC_TYPE_FCP) &&
+	    (fr_flags(fp) & FCPHF_CRC_UNCHECKED)) {
 		if (le32_to_cpu(fr_crc(fp)) !=
 		    ~crc32(~0, skb->data, fr_len)) {
 			if (stats->InvalidCRCCount < 5)
 				printk(KERN_WARNING "fcoe: dropping "
 				       "frame with CRC error\n");
 			stats->InvalidCRCCount++;
-			stats->ErrorFrames++;
-			fc_frame_free(fp);
-			return;
+			goto drop;
 		}
 		fr_flags(fp) &= ~FCPHF_CRC_UNCHECKED;
 	}
+	put_cpu();
 	fc_exch_recv(lport, fp);
+	return;
+
+drop:
+	stats->ErrorFrames++;
+	put_cpu();
+	kfree_skb(skb);
 }
 
 /**
@@ -1835,8 +1833,9 @@ static int fcoe_device_notification(struct notifier_block *notifier,
 	if (link_possible && !fcoe_link_ok(lport))
 		fcoe_ctlr_link_up(&fcoe->ctlr);
 	else if (fcoe_ctlr_link_down(&fcoe->ctlr)) {
-		stats = fc_lport_get_stats(lport);
+		stats = per_cpu_ptr(lport->dev_stats, get_cpu());
 		stats->LinkFailureCount++;
+		put_cpu();
 		fcoe_clean_pending_queue(lport);
 	}
 out:
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index b7718be3c09..ff5ccba3d74 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -550,7 +550,7 @@ EXPORT_SYMBOL(fcoe_ctlr_els_send);
  * fcoe_ctlr_age_fcfs() - Reset and free all old FCFs for a controller
  * @fip: The FCoE controller to free FCFs on
  *
- * Called with lock held.
+ * Called with lock held and preemption disabled.
  *
  * An FCF is considered old if we have missed three advertisements.
  * That is, there have been no valid advertisement from it for three
@@ -567,17 +567,20 @@ static void fcoe_ctlr_age_fcfs(struct fcoe_ctlr *fip)
 	struct fcoe_fcf *next;
 	unsigned long sel_time = 0;
 	unsigned long mda_time = 0;
+	struct fcoe_dev_stats *stats;
 
 	list_for_each_entry_safe(fcf, next, &fip->fcfs, list) {
 		mda_time = fcf->fka_period + (fcf->fka_period >> 1);
 		if ((fip->sel_fcf == fcf) &&
 		    (time_after(jiffies, fcf->time + mda_time))) {
 			mod_timer(&fip->timer, jiffies + mda_time);
-			fc_lport_get_stats(fip->lp)->MissDiscAdvCount++;
+			stats = per_cpu_ptr(fip->lp->dev_stats,
+					    smp_processor_id());
+			stats->MissDiscAdvCount++;
 			printk(KERN_INFO "libfcoe: host%d: Missing Discovery "
 			       "Advertisement for fab %llx count %lld\n",
 			       fip->lp->host->host_no, fcf->fabric_name,
-			       fc_lport_get_stats(fip->lp)->MissDiscAdvCount);
+			       stats->MissDiscAdvCount);
 		}
 		if (time_after(jiffies, fcf->time + fcf->fka_period * 3 +
 			       msecs_to_jiffies(FIP_FCF_FUZZ * 3))) {
@@ -587,7 +590,9 @@ static void fcoe_ctlr_age_fcfs(struct fcoe_ctlr *fip)
 			WARN_ON(!fip->fcf_count);
 			fip->fcf_count--;
 			kfree(fcf);
-			fc_lport_get_stats(fip->lp)->VLinkFailureCount++;
+			stats = per_cpu_ptr(fip->lp->dev_stats,
+					    smp_processor_id());
+			stats->VLinkFailureCount++;
 		} else if (fcoe_ctlr_mtu_valid(fcf) &&
 			   (!sel_time || time_before(sel_time, fcf->time))) {
 			sel_time = fcf->time;
@@ -900,9 +905,10 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
 	fr_eof(fp) = FC_EOF_T;
 	fr_dev(fp) = lport;
 
-	stats = fc_lport_get_stats(lport);
+	stats = per_cpu_ptr(lport->dev_stats, get_cpu());
 	stats->RxFrames++;
 	stats->RxWords += skb->len / FIP_BPW;
+	put_cpu();
 
 	fc_exch_recv(lport, fp);
 	return;
@@ -1000,7 +1006,8 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
 		LIBFCOE_FIP_DBG(fip, "performing Clear Virtual Link\n");
 
 		spin_lock_bh(&fip->lock);
-		fc_lport_get_stats(lport)->VLinkFailureCount++;
+		per_cpu_ptr(lport->dev_stats,
+			    smp_processor_id())->VLinkFailureCount++;
 		fcoe_ctlr_reset(fip);
 		spin_unlock_bh(&fip->lock);
 
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index dc12a2bf0c9..d0496dafd84 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -676,9 +676,10 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport,
 	}
 	memset(ep, 0, sizeof(*ep));
 
-	cpu = smp_processor_id();
+	cpu = get_cpu();
 	pool = per_cpu_ptr(mp->pool, cpu);
 	spin_lock_bh(&pool->lock);
+	put_cpu();
 	index = pool->next_index;
 	/* allocate new exch from pool */
 	while (fc_exch_ptr_get(pool, index)) {
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 044c420a137..220c4bc536c 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -484,13 +484,14 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 
 		if (~crc != le32_to_cpu(fr_crc(fp))) {
 crc_err:
-			stats = fc_lport_get_stats(lport);
+			stats = per_cpu_ptr(lport->dev_stats, get_cpu());
 			stats->ErrorFrames++;
-			/* FIXME - per cpu count, not total count! */
+			/* per cpu count, not total count, but OK for limit */
 			if (stats->InvalidCRCCount++ < 5)
 				printk(KERN_WARNING "libfc: CRC error on data "
 				       "frame for port (%6x)\n",
 				       fc_host_port_id(lport->host));
+			put_cpu();
 			/*
 			 * Assume the frame is total garbage.
 			 * We may have copied it over the good part
@@ -1819,7 +1820,7 @@ int fc_queuecommand(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *))
 	/*
 	 * setup the data direction
 	 */
-	stats = fc_lport_get_stats(lport);
+	stats = per_cpu_ptr(lport->dev_stats, get_cpu());
 	if (sc_cmd->sc_data_direction == DMA_FROM_DEVICE) {
 		fsp->req_flags = FC_SRB_READ;
 		stats->InputRequests++;
@@ -1832,6 +1833,7 @@ int fc_queuecommand(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *))
 		fsp->req_flags = 0;
 		stats->ControlRequests++;
 	}
+	put_cpu();
 
 	fsp->tgt_flags = rpriv->flags;
 
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 4b912eee33e..8d0d1b2d825 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -917,15 +917,6 @@ static inline void fc_lport_free_stats(struct fc_lport *lport)
 	free_percpu(lport->dev_stats);
 }
 
-/**
- * fc_lport_get_stats() - Get a local port's statistics
- * @lport: The local port whose statistics are to be retreived
- */
-static inline struct fcoe_dev_stats *fc_lport_get_stats(struct fc_lport *lport)
-{
-	return per_cpu_ptr(lport->dev_stats, smp_processor_id());
-}
-
 /**
  * lport_priv() - Return the private data from a local port
  * @lport: The local port whose private data is to be retreived

From 65c054f235fda2d545ecd2a7948906a3cf0c1f39 Mon Sep 17 00:00:00 2001
From: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Date: Mon, 15 Mar 2010 14:48:43 +0900
Subject: [PATCH 0307/3638] [SCSI] mpt: modify mptctl_exit() to call proper
 deregister functions

This patch fixes some issues of mptctl_exit().

  1) It doesn't call mpt_deregister() for mptctl_taskmgmt_id
     => Insmoding/rmmoding mptctl.ko repeadtedly (up to
        MPT_MAX_PROTOCOL_DRIVERS-1 at most) can eat up all cb_idx,
        and that would cause a lack of MptCallbacks[], MptDriverClass[],
        and MptEvHandlers[].

  2) It doesn't call mpt_event_deregister() for mptctl_id
     => Need to call it.

  3) It calls mpt_reset_deregister() for mptctl_taskmgmt_id
     => This could accidentally deregister an innocent reset handler
        that you don't want to.

This patch also adds a check for mptctl_taskmgmt_id.

Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptctl.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index caa8f568a41..80421d2cf04 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -2991,6 +2991,14 @@ static int __init mptctl_init(void)
 	}
 
 	mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER);
+	if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) {
+		printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
+		mpt_deregister(mptctl_id);
+		misc_deregister(&mptctl_miscdev);
+		err = -EBUSY;
+		goto out_fail;
+	}
+
 	mpt_reset_register(mptctl_id, mptctl_ioc_reset);
 	mpt_event_register(mptctl_id, mptctl_event_process);
 
@@ -3010,12 +3018,15 @@ static void mptctl_exit(void)
 	printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
 			 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
 
+	/* De-register event handler from base module */
+	mpt_event_deregister(mptctl_id);
+
 	/* De-register reset handler from base module */
 	mpt_reset_deregister(mptctl_id);
 
 	/* De-register callback handler from base module */
+	mpt_deregister(mptctl_taskmgmt_id);
 	mpt_deregister(mptctl_id);
-	mpt_reset_deregister(mptctl_taskmgmt_id);
 
         mpt_device_driver_deregister(MPTCTL_DRIVER);
 

From 999d813f227435c35b44362ee82211a1458844fc Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Mon, 15 Mar 2010 11:24:56 -0400
Subject: [PATCH 0308/3638] [SCSI] lpfc 8.3.11: FCF failover improvements

FCF failover improvements

- Add random FCF failover when there are multiple FCFs available.
- Prevent FCF log messages from being displayed for FC adapters.
- Separate the New FCF and Modified FCF log messages.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_els.c     | 13 +++++---
 drivers/scsi/lpfc/lpfc_hbadisc.c | 53 ++++++++++++++++++++++++++++++--
 drivers/scsi/lpfc/lpfc_init.c    | 19 +++++++++---
 drivers/scsi/lpfc/lpfc_sli.c     |  4 ++-
 drivers/scsi/lpfc/lpfc_sli4.h    |  1 +
 5 files changed, 77 insertions(+), 13 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 5fbdb22c189..0a337dab211 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -893,11 +893,14 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 
 		if (!rc) {
 			/* Mark the FCF discovery process done */
-			lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP | LOG_ELS,
-					 "2769 FLOGI successful on FCF record: "
-					 "current_fcf_index:x%x, terminate FCF "
-					 "round robin failover process\n",
-					 phba->fcf.current_rec.fcf_indx);
+			if (phba->hba_flag & HBA_FIP_SUPPORT)
+				lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP |
+						LOG_ELS,
+						"2769 FLOGI successful on FCF "
+						"record: current_fcf_index:"
+						"x%x, terminate FCF round "
+						"robin failover process\n",
+						phba->fcf.current_rec.fcf_indx);
 			spin_lock_irq(&phba->hbalock);
 			phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
 			spin_unlock_irq(&phba->hbalock);
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index e1466eec56b..362730b6dd8 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1531,7 +1531,37 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
 }
 
 /**
- * lpfc_sli4_fcf_rec_mbox_parse - parse non-embedded fcf record mailbox command
+ * lpfc_sli4_new_fcf_random_select - Randomly select an eligible new fcf record
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_cnt: number of eligible fcf record seen so far.
+ *
+ * This function makes an running random selection decision on FCF record to
+ * use through a sequence of @fcf_cnt eligible FCF records with equal
+ * probability. To perform integer manunipulation of random numbers with
+ * size unit32_t, the lower 16 bits of the 32-bit random number returned
+ * from random32() are taken as the random random number generated.
+ *
+ * Returns true when outcome is for the newly read FCF record should be
+ * chosen; otherwise, return false when outcome is for keeping the previously
+ * chosen FCF record.
+ **/
+static bool
+lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt)
+{
+	uint32_t rand_num;
+
+	/* Get 16-bit uniform random number */
+	rand_num = (0xFFFF & random32());
+
+	/* Decision with probability 1/fcf_cnt */
+	if ((fcf_cnt * rand_num) < 0xFFFF)
+		return true;
+	else
+		return false;
+}
+
+/**
+ * lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox.
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to mailbox object.
  * @next_fcf_index: pointer to holder of next fcf index.
@@ -1679,6 +1709,8 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	uint16_t fcf_index, next_fcf_index;
 	struct lpfc_fcf_rec *fcf_rec = NULL;
 	uint16_t vlan_id;
+	uint32_t seed;
+	bool select_new_fcf;
 	int rc;
 
 	/* If there is pending FCoE event restart FCF table scan */
@@ -1809,9 +1841,21 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 		 * than the driver FCF record, use the new record.
 		 */
 		if (new_fcf_record->fip_priority < fcf_rec->priority) {
-			/* Choose this FCF record */
+			/* Choose the new FCF record with lower priority */
 			__lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
 					addr_mode, vlan_id, 0);
+			/* Reset running random FCF selection count */
+			phba->fcf.eligible_fcf_cnt = 1;
+		} else if (new_fcf_record->fip_priority == fcf_rec->priority) {
+			/* Update running random FCF selection count */
+			phba->fcf.eligible_fcf_cnt++;
+			select_new_fcf = lpfc_sli4_new_fcf_random_select(phba,
+						phba->fcf.eligible_fcf_cnt);
+			if (select_new_fcf)
+				/* Choose the new FCF by random selection */
+				__lpfc_update_fcf_record(phba, fcf_rec,
+							 new_fcf_record,
+							 addr_mode, vlan_id, 0);
 		}
 		spin_unlock_irq(&phba->hbalock);
 		goto read_next_fcf;
@@ -1825,6 +1869,11 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 					 addr_mode, vlan_id, (boot_flag ?
 					 BOOT_ENABLE : 0));
 		phba->fcf.fcf_flag |= FCF_AVAILABLE;
+		/* Setup initial running random FCF selection count */
+		phba->fcf.eligible_fcf_cnt = 1;
+		/* Seeding the random number generator for random selection */
+		seed = (uint32_t)(0xFFFFFFFF & jiffies);
+		srandom32(seed);
 	}
 	spin_unlock_irq(&phba->hbalock);
 	goto read_next_fcf;
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 774663e8e1f..25ee8cc6ab7 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -3304,11 +3304,20 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 	switch (event_type) {
 	case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
 	case LPFC_FCOE_EVENT_TYPE_FCF_PARAM_MOD:
-		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
-			"2546 New FCF found/FCF parameter modified event: "
-			"evt_tag:x%x, fcf_index:x%x\n",
-			acqe_fcoe->event_tag, acqe_fcoe->index);
-
+		if (event_type == LPFC_FCOE_EVENT_TYPE_NEW_FCF)
+			lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+					LOG_DISCOVERY,
+					"2546 New FCF found event: "
+					"evt_tag:x%x, fcf_index:x%x\n",
+					acqe_fcoe->event_tag,
+					acqe_fcoe->index);
+		else
+			lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
+					LOG_DISCOVERY,
+					"2788 FCF parameter modified event: "
+					"evt_tag:x%x, fcf_index:x%x\n",
+					acqe_fcoe->event_tag,
+					acqe_fcoe->index);
 		spin_lock_irq(&phba->hbalock);
 		if ((phba->fcf.fcf_flag & FCF_SCAN_DONE) ||
 		    (phba->hba_flag & FCF_DISC_INPROGRESS)) {
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 049fb9a17b3..2eff81d366f 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -12040,9 +12040,11 @@ lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
 		phba->hba_flag |= FCF_DISC_INPROGRESS;
 		spin_unlock_irq(&phba->hbalock);
 		/* Reset FCF round robin index bmask for new scan */
-		if (fcf_index == LPFC_FCOE_FCF_GET_FIRST)
+		if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) {
 			memset(phba->fcf.fcf_rr_bmask, 0,
 			       sizeof(*phba->fcf.fcf_rr_bmask));
+			phba->fcf.eligible_fcf_cnt = 0;
+		}
 		error = 0;
 	}
 fail_fcf_scan:
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 4a35e7b9bc5..5b6cb9742c5 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -162,6 +162,7 @@ struct lpfc_fcf {
 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
 	uint32_t addr_mode;
 	uint16_t fcf_rr_init_indx;
+	uint32_t eligible_fcf_cnt;
 	struct lpfc_fcf_rec current_rec;
 	struct lpfc_fcf_rec failover_rec;
 	struct timer_list redisc_wait;

From cb5172eafd9ffdab6bb7b1eec628ea706d5817c8 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Mon, 15 Mar 2010 11:25:07 -0400
Subject: [PATCH 0309/3638] [SCSI] lpfc 8.3.11: SLI4 Improvements

- Correct all SLI4 code to work on big endian systems.
- Move read of sli4 params earlier so returned values are used correctly.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_hbadisc.c |  4 +-
 drivers/scsi/lpfc/lpfc_hw4.h     |  7 +++
 drivers/scsi/lpfc/lpfc_init.c    | 76 ++++++++++++++++----------------
 drivers/scsi/lpfc/lpfc_sli.c     | 37 +++++++++-------
 4 files changed, 69 insertions(+), 55 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 362730b6dd8..7c4f389a2f6 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1622,7 +1622,9 @@ lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
 	new_fcf_record = (struct fcf_record *)(virt_addr +
 			  sizeof(struct lpfc_mbx_read_fcf_tbl));
 	lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
-			      sizeof(struct fcf_record));
+				offsetof(struct fcf_record, vlan_bitmap));
+	new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137);
+	new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138);
 
 	return new_fcf_record;
 }
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 820015fbc4d..bff98add80c 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -41,8 +41,14 @@
  * Or clear that bit field:
  *	bf_set(example_bit_field, &t1, 0);
  */
+#define bf_get_le32(name, ptr) \
+	((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
 #define bf_get(name, ptr) \
 	(((ptr)->name##_WORD >> name##_SHIFT) & name##_MASK)
+#define bf_set_le32(name, ptr, value) \
+	((ptr)->name##_WORD = cpu_to_le32(((((value) & \
+	name##_MASK) << name##_SHIFT) | (le32_to_cpu((ptr)->name##_WORD) & \
+	~(name##_MASK << name##_SHIFT)))))
 #define bf_set(name, ptr, value) \
 	((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \
 		 ((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT))))
@@ -1940,6 +1946,7 @@ struct lpfc_mbx_sli4_params {
 #define rdma_MASK				0x00000001
 #define rdma_WORD				word3
 	uint32_t sge_supp_len;
+#define SLI4_PAGE_SIZE 4096
 	uint32_t word5;
 #define if_page_sz_SHIFT			0
 #define if_page_sz_MASK				0x0000ffff
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 25ee8cc6ab7..f8e88bb423c 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2566,7 +2566,7 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
 	shost->max_cmd_len = 16;
 	if (phba->sli_rev == LPFC_SLI_REV4) {
 		shost->dma_boundary =
-			phba->sli4_hba.pc_sli4_params.sge_supp_len;
+			phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
 		shost->sg_tablesize = phba->cfg_sg_seg_cnt;
 	}
 
@@ -4039,6 +4039,43 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 	if (unlikely(rc))
 		goto out_free_bsmbx;
 
+	mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+						       GFP_KERNEL);
+	if (!mboxq) {
+		rc = -ENOMEM;
+		goto out_free_bsmbx;
+	}
+
+	/* Get the Supported Pages. It is always available. */
+	lpfc_supported_pages(mboxq);
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	if (unlikely(rc)) {
+		rc = -EIO;
+		mempool_free(mboxq, phba->mbox_mem_pool);
+		goto out_free_bsmbx;
+	}
+
+	mqe = &mboxq->u.mqe;
+	memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
+	       LPFC_MAX_SUPPORTED_PAGES);
+	for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
+		switch (pn_page[i]) {
+		case LPFC_SLI4_PARAMETERS:
+			phba->sli4_hba.pc_sli4_params.supported = 1;
+			break;
+		default:
+			break;
+		}
+	}
+
+	/* Read the port's SLI4 Parameters capabilities if supported. */
+	if (phba->sli4_hba.pc_sli4_params.supported)
+		rc = lpfc_pc_sli4_params_get(phba, mboxq);
+	mempool_free(mboxq, phba->mbox_mem_pool);
+	if (rc) {
+		rc = -EIO;
+		goto out_free_bsmbx;
+	}
 	/* Create all the SLI4 queues */
 	rc = lpfc_sli4_queue_create(phba);
 	if (rc)
@@ -4099,43 +4136,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 		goto out_free_fcp_eq_hdl;
 	}
 
-	mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
-						       GFP_KERNEL);
-	if (!mboxq) {
-		rc = -ENOMEM;
-		goto out_free_fcp_eq_hdl;
-	}
-
-	/* Get the Supported Pages. It is always available. */
-	lpfc_supported_pages(mboxq);
-	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
-	if (unlikely(rc)) {
-		rc = -EIO;
-		mempool_free(mboxq, phba->mbox_mem_pool);
-		goto out_free_fcp_eq_hdl;
-	}
-
-	mqe = &mboxq->u.mqe;
-	memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
-	       LPFC_MAX_SUPPORTED_PAGES);
-	for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
-		switch (pn_page[i]) {
-		case LPFC_SLI4_PARAMETERS:
-			phba->sli4_hba.pc_sli4_params.supported = 1;
-			break;
-		default:
-			break;
-		}
-	}
-
-	/* Read the port's SLI4 Parameters capabilities if supported. */
-	if (phba->sli4_hba.pc_sli4_params.supported)
-		rc = lpfc_pc_sli4_params_get(phba, mboxq);
-	mempool_free(mboxq, phba->mbox_mem_pool);
-	if (rc) {
-		rc = -EIO;
-		goto out_free_fcp_eq_hdl;
-	}
 	return rc;
 
 out_free_fcp_eq_hdl:
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 2eff81d366f..dd879a7d04a 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -212,7 +212,7 @@ lpfc_sli4_eq_get(struct lpfc_queue *q)
 	struct lpfc_eqe *eqe = q->qe[q->hba_index].eqe;
 
 	/* If the next EQE is not valid then we are done */
-	if (!bf_get(lpfc_eqe_valid, eqe))
+	if (!bf_get_le32(lpfc_eqe_valid, eqe))
 		return NULL;
 	/* If the host has not yet processed the next entry then we are done */
 	if (((q->hba_index + 1) % q->entry_count) == q->host_index)
@@ -247,7 +247,7 @@ lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm)
 	/* while there are valid entries */
 	while (q->hba_index != q->host_index) {
 		temp_eqe = q->qe[q->host_index].eqe;
-		bf_set(lpfc_eqe_valid, temp_eqe, 0);
+		bf_set_le32(lpfc_eqe_valid, temp_eqe, 0);
 		released++;
 		q->host_index = ((q->host_index + 1) % q->entry_count);
 	}
@@ -285,7 +285,7 @@ lpfc_sli4_cq_get(struct lpfc_queue *q)
 	struct lpfc_cqe *cqe;
 
 	/* If the next CQE is not valid then we are done */
-	if (!bf_get(lpfc_cqe_valid, q->qe[q->hba_index].cqe))
+	if (!bf_get_le32(lpfc_cqe_valid, q->qe[q->hba_index].cqe))
 		return NULL;
 	/* If the host has not yet processed the next entry then we are done */
 	if (((q->hba_index + 1) % q->entry_count) == q->host_index)
@@ -321,7 +321,7 @@ lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm)
 	/* while there are valid entries */
 	while (q->hba_index != q->host_index) {
 		temp_qe = q->qe[q->host_index].cqe;
-		bf_set(lpfc_cqe_valid, temp_qe, 0);
+		bf_set_le32(lpfc_cqe_valid, temp_qe, 0);
 		released++;
 		q->host_index = ((q->host_index + 1) % q->entry_count);
 	}
@@ -8983,17 +8983,17 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
 	int ecount = 0;
 	uint16_t cqid;
 
-	if (bf_get(lpfc_eqe_major_code, eqe) != 0) {
+	if (bf_get_le32(lpfc_eqe_major_code, eqe) != 0) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
 				"0359 Not a valid slow-path completion "
 				"event: majorcode=x%x, minorcode=x%x\n",
-				bf_get(lpfc_eqe_major_code, eqe),
-				bf_get(lpfc_eqe_minor_code, eqe));
+				bf_get_le32(lpfc_eqe_major_code, eqe),
+				bf_get_le32(lpfc_eqe_minor_code, eqe));
 		return;
 	}
 
 	/* Get the reference to the corresponding CQ */
-	cqid = bf_get(lpfc_eqe_resource_id, eqe);
+	cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
 
 	/* Search for completion queue pointer matching this cqid */
 	speq = phba->sli4_hba.sp_eq;
@@ -9221,12 +9221,12 @@ lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
 	uint16_t cqid;
 	int ecount = 0;
 
-	if (unlikely(bf_get(lpfc_eqe_major_code, eqe) != 0)) {
+	if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
 				"0366 Not a valid fast-path completion "
 				"event: majorcode=x%x, minorcode=x%x\n",
-				bf_get(lpfc_eqe_major_code, eqe),
-				bf_get(lpfc_eqe_minor_code, eqe));
+				bf_get_le32(lpfc_eqe_major_code, eqe),
+				bf_get_le32(lpfc_eqe_minor_code, eqe));
 		return;
 	}
 
@@ -9239,7 +9239,7 @@ lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
 	}
 
 	/* Get the reference to the corresponding CQ */
-	cqid = bf_get(lpfc_eqe_resource_id, eqe);
+	cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
 	if (unlikely(cqid != cq->queue_id)) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
 				"0368 Miss-matched fast-path completion "
@@ -9532,13 +9532,18 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size,
 	struct lpfc_dmabuf *dmabuf;
 	int x, total_qe_count;
 	void *dma_pointer;
+	uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
 
 
+	if (!phba->sli4_hba.pc_sli4_params.supported)
+		hw_page_size = SLI4_PAGE_SIZE;
+
 	queue = kzalloc(sizeof(struct lpfc_queue) +
 			(sizeof(union sli4_qe) * entry_count), GFP_KERNEL);
 	if (!queue)
 		return NULL;
-	queue->page_count = (PAGE_ALIGN(entry_size * entry_count))/PAGE_SIZE;
+	queue->page_count = (ALIGN(entry_size * entry_count,
+			hw_page_size))/hw_page_size;
 	INIT_LIST_HEAD(&queue->list);
 	INIT_LIST_HEAD(&queue->page_list);
 	INIT_LIST_HEAD(&queue->child_list);
@@ -9547,19 +9552,19 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size,
 		if (!dmabuf)
 			goto out_fail;
 		dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
-						  PAGE_SIZE, &dmabuf->phys,
+						  hw_page_size, &dmabuf->phys,
 						  GFP_KERNEL);
 		if (!dmabuf->virt) {
 			kfree(dmabuf);
 			goto out_fail;
 		}
-		memset(dmabuf->virt, 0, PAGE_SIZE);
+		memset(dmabuf->virt, 0, hw_page_size);
 		dmabuf->buffer_tag = x;
 		list_add_tail(&dmabuf->list, &queue->page_list);
 		/* initialize queue's entry array */
 		dma_pointer = dmabuf->virt;
 		for (; total_qe_count < entry_count &&
-		     dma_pointer < (PAGE_SIZE + dmabuf->virt);
+		     dma_pointer < (hw_page_size + dmabuf->virt);
 		     total_qe_count++, dma_pointer += entry_size) {
 			queue->qe[total_qe_count].address = dma_pointer;
 		}

From 7a4702774381103e936cae09ec12301090c6c212 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Mon, 15 Mar 2010 11:25:20 -0400
Subject: [PATCH 0310/3638] [SCSI] lpfc 8.3.11: Driver management improvements
 via BSG

- Add BSG support for PCI loopback testing.
- Add BSG support for extended mailbox commands.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc.h      |   2 +
 drivers/scsi/lpfc/lpfc_bsg.c  | 263 ++++++++++++++++++++++++++--------
 drivers/scsi/lpfc/lpfc_bsg.h  |   4 +-
 drivers/scsi/lpfc/lpfc_hw.h   |  10 +-
 drivers/scsi/lpfc/lpfc_init.c |   2 +
 drivers/scsi/lpfc/lpfc_mbox.c |  51 ++++---
 drivers/scsi/lpfc/lpfc_sli.c  |  50 ++++++-
 drivers/scsi/lpfc/lpfc_sli.h  |   3 +
 8 files changed, 299 insertions(+), 86 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 565e16dd74f..23b9320539e 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -554,6 +554,7 @@ struct lpfc_hba {
 	struct lpfc_dmabuf slim2p;
 
 	MAILBOX_t *mbox;
+	uint32_t *mbox_ext;
 	uint32_t *inb_ha_copy;
 	uint32_t *inb_counter;
 	uint32_t inb_last_counter;
@@ -622,6 +623,7 @@ struct lpfc_hba {
 	uint32_t cfg_enable_hba_reset;
 	uint32_t cfg_enable_hba_heartbeat;
 	uint32_t cfg_enable_bg;
+	uint32_t cfg_hostmem_hgp;
 	uint32_t cfg_log_verbose;
 	uint32_t cfg_aer_support;
 	uint32_t cfg_suppress_link_up;
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index d62b3e46792..92ad202a938 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -79,6 +79,12 @@ struct lpfc_bsg_iocb {
 struct lpfc_bsg_mbox {
 	LPFC_MBOXQ_t *pmboxq;
 	MAILBOX_t *mb;
+	struct lpfc_dmabuf *rxbmp; /* for BIU diags */
+	struct lpfc_dmabufext *dmp; /* for BIU diags */
+	uint8_t *ext; /* extended mailbox data */
+	uint32_t mbOffset; /* from app */
+	uint32_t inExtWLen; /* from app */
+	uint32_t outWxtWLen; /* from app */
 
 	/* job waiting for this mbox command to finish */
 	struct fc_bsg_job *set_job;
@@ -2377,35 +2383,68 @@ void
 lpfc_bsg_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
 {
 	struct bsg_job_data *dd_data;
-	MAILBOX_t *pmb;
-	MAILBOX_t *mb;
 	struct fc_bsg_job *job;
 	uint32_t size;
 	unsigned long flags;
+	uint8_t *to;
+	uint8_t *from;
 
 	spin_lock_irqsave(&phba->ct_ev_lock, flags);
 	dd_data = pmboxq->context1;
+	/* job already timed out? */
 	if (!dd_data) {
 		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
 		return;
 	}
 
-	pmb = &dd_data->context_un.mbox.pmboxq->u.mb;
-	mb = dd_data->context_un.mbox.mb;
+	/* build the outgoing buffer to do an sg copy
+	 * the format is the response mailbox followed by any extended
+	 * mailbox data
+	 */
+	from = (uint8_t *)&pmboxq->u.mb;
+	to = (uint8_t *)dd_data->context_un.mbox.mb;
+	memcpy(to, from, sizeof(MAILBOX_t));
+	/* copy the extended data if any, count is in words */
+	if (dd_data->context_un.mbox.outWxtWLen) {
+		from = (uint8_t *)dd_data->context_un.mbox.ext;
+		to += sizeof(MAILBOX_t);
+		memcpy(to, from,
+		dd_data->context_un.mbox.outWxtWLen * sizeof(uint32_t));
+	}
+
+	from = (uint8_t *)dd_data->context_un.mbox.mb;
 	job = dd_data->context_un.mbox.set_job;
-	memcpy(mb, pmb, sizeof(*pmb));
-	size = job->request_payload.payload_len;
+	size = job->reply_payload.payload_len;
 	job->reply->reply_payload_rcv_len =
 		sg_copy_from_buffer(job->reply_payload.sg_list,
 				job->reply_payload.sg_cnt,
-				mb, size);
+				from, size);
 	job->reply->result = 0;
+
 	dd_data->context_un.mbox.set_job = NULL;
 	job->dd_data = NULL;
 	job->job_done(job);
+	/* need to hold the lock until we call job done to hold off
+	 * the timeout handler returning to the midlayer while
+	 * we are stillprocessing the job
+	 */
 	spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+
+	kfree(dd_data->context_un.mbox.mb);
 	mempool_free(dd_data->context_un.mbox.pmboxq, phba->mbox_mem_pool);
-	kfree(mb);
+	kfree(dd_data->context_un.mbox.ext);
+	if (dd_data->context_un.mbox.dmp) {
+		dma_free_coherent(&phba->pcidev->dev,
+			dd_data->context_un.mbox.dmp->size,
+			dd_data->context_un.mbox.dmp->dma.virt,
+			dd_data->context_un.mbox.dmp->dma.phys);
+		kfree(dd_data->context_un.mbox.dmp);
+	}
+	if (dd_data->context_un.mbox.rxbmp) {
+		lpfc_mbuf_free(phba, dd_data->context_un.mbox.rxbmp->virt,
+			dd_data->context_un.mbox.rxbmp->phys);
+		kfree(dd_data->context_un.mbox.rxbmp);
+	}
 	kfree(dd_data);
 	return;
 }
@@ -2468,6 +2507,7 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 	case MBX_WRITE_EVENT_LOG:
 	case MBX_PORT_CAPABILITIES:
 	case MBX_PORT_IOV_CONTROL:
+	case MBX_RUN_BIU_DIAG64:
 		break;
 	case MBX_SET_VARIABLE:
 		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
@@ -2482,7 +2522,6 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 			phba->fc_topology = TOPOLOGY_PT_PT;
 		}
 		break;
-	case MBX_RUN_BIU_DIAG64:
 	case MBX_READ_EVENT_LOG:
 	case MBX_READ_SPARM64:
 	case MBX_READ_LA:
@@ -2518,97 +2557,199 @@ static uint32_t
 lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 	struct lpfc_vport *vport)
 {
-	LPFC_MBOXQ_t *pmboxq;
-	MAILBOX_t *pmb;
-	MAILBOX_t *mb;
-	struct bsg_job_data *dd_data;
+	LPFC_MBOXQ_t *pmboxq = NULL; /* internal mailbox queue */
+	MAILBOX_t *pmb; /* shortcut to the pmboxq mailbox */
+	/* a 4k buffer to hold the mb and extended data from/to the bsg */
+	MAILBOX_t *mb = NULL;
+	struct bsg_job_data *dd_data = NULL; /* bsg data tracking structure */
 	uint32_t size;
+	struct lpfc_dmabuf *rxbmp = NULL; /* for biu diag */
+	struct lpfc_dmabufext *dmp = NULL; /* for biu diag */
+	struct ulp_bde64 *rxbpl = NULL;
+	struct dfc_mbox_req *mbox_req = (struct dfc_mbox_req *)
+		job->request->rqst_data.h_vendor.vendor_cmd;
+	uint8_t *ext = NULL;
 	int rc = 0;
+	uint8_t *from;
+
+	/* in case no data is transferred */
+	job->reply->reply_payload_rcv_len = 0;
+
+	/* check if requested extended data lengths are valid */
+	if ((mbox_req->inExtWLen > MAILBOX_EXT_SIZE) ||
+		(mbox_req->outWxtWLen > MAILBOX_EXT_SIZE)) {
+		rc = -ERANGE;
+		goto job_done;
+	}
 
 	/* allocate our bsg tracking structure */
 	dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
 	if (!dd_data) {
 		lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
 				"2727 Failed allocation of dd_data\n");
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto job_done;
 	}
 
 	mb = kzalloc(PAGE_SIZE, GFP_KERNEL);
 	if (!mb) {
-		kfree(dd_data);
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto job_done;
 	}
 
 	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!pmboxq) {
-		kfree(dd_data);
-		kfree(mb);
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto job_done;
 	}
+	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
 
 	size = job->request_payload.payload_len;
-	job->reply->reply_payload_rcv_len =
-		sg_copy_to_buffer(job->request_payload.sg_list,
-				job->request_payload.sg_cnt,
-				mb, size);
+	sg_copy_to_buffer(job->request_payload.sg_list,
+			job->request_payload.sg_cnt,
+			mb, size);
 
 	rc = lpfc_bsg_check_cmd_access(phba, mb, vport);
-	if (rc != 0) {
-		kfree(dd_data);
-		kfree(mb);
-		mempool_free(pmboxq, phba->mbox_mem_pool);
-		return rc; /* must be negative */
-	}
+	if (rc != 0)
+		goto job_done; /* must be negative */
 
-	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
 	pmb = &pmboxq->u.mb;
 	memcpy(pmb, mb, sizeof(*pmb));
 	pmb->mbxOwner = OWN_HOST;
-	pmboxq->context1 = NULL;
 	pmboxq->vport = vport;
 
-	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
-	    (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) {
-		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
-		if (rc != MBX_SUCCESS) {
-			if (rc != MBX_TIMEOUT) {
-				kfree(dd_data);
-				kfree(mb);
-				mempool_free(pmboxq, phba->mbox_mem_pool);
-			}
-			return  (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
+	/* extended mailbox commands will need an extended buffer */
+	if (mbox_req->inExtWLen || mbox_req->outWxtWLen) {
+		ext = kzalloc(MAILBOX_EXT_SIZE, GFP_KERNEL);
+		if (!ext) {
+			rc = -ENOMEM;
+			goto job_done;
 		}
 
-		memcpy(mb, pmb, sizeof(*pmb));
-		job->reply->reply_payload_rcv_len =
-			sg_copy_from_buffer(job->reply_payload.sg_list,
-					job->reply_payload.sg_cnt,
-					mb, size);
-		kfree(dd_data);
-		kfree(mb);
-		mempool_free(pmboxq, phba->mbox_mem_pool);
-		/* not waiting mbox already done */
-		return 0;
+		/* any data for the device? */
+		if (mbox_req->inExtWLen) {
+			from = (uint8_t *)mb;
+			from += sizeof(MAILBOX_t);
+			memcpy((uint8_t *)ext, from,
+				mbox_req->inExtWLen * sizeof(uint32_t));
+		}
+
+		pmboxq->context2 = ext;
+		pmboxq->in_ext_byte_len =
+			mbox_req->inExtWLen *
+			sizeof(uint32_t);
+		pmboxq->out_ext_byte_len =
+			mbox_req->outWxtWLen *
+			sizeof(uint32_t);
+		pmboxq->mbox_offset_word =
+			mbox_req->mbOffset;
+		pmboxq->context2 = ext;
+		pmboxq->in_ext_byte_len =
+			mbox_req->inExtWLen * sizeof(uint32_t);
+		pmboxq->out_ext_byte_len =
+			mbox_req->outWxtWLen * sizeof(uint32_t);
+		pmboxq->mbox_offset_word = mbox_req->mbOffset;
+	}
+
+	/* biu diag will need a kernel buffer to transfer the data
+	 * allocate our own buffer and setup the mailbox command to
+	 * use ours
+	 */
+	if (pmb->mbxCommand == MBX_RUN_BIU_DIAG64) {
+		rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+		if (!rxbmp) {
+			rc = -ENOMEM;
+			goto job_done;
+		}
+
+		rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+		INIT_LIST_HEAD(&rxbmp->list);
+		rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+		dmp = diag_cmd_data_alloc(phba, rxbpl, PAGE_SIZE, 0);
+		if (!dmp) {
+			rc = -ENOMEM;
+			goto job_done;
+		}
+
+		dmp->size = PAGE_SIZE;
+		INIT_LIST_HEAD(&dmp->dma.list);
+		pmb->un.varBIUdiag.un.s2.xmit_bde64.addrHigh =
+			putPaddrHigh(dmp->dma.phys);
+		pmb->un.varBIUdiag.un.s2.xmit_bde64.addrLow =
+			putPaddrLow(dmp->dma.phys);
+
+		pmb->un.varBIUdiag.un.s2.rcv_bde64.addrHigh =
+			putPaddrHigh(dmp->dma.phys +
+				pmb->un.varBIUdiag.un.s2.
+					xmit_bde64.tus.f.bdeSize);
+		pmb->un.varBIUdiag.un.s2.rcv_bde64.addrLow =
+			putPaddrLow(dmp->dma.phys +
+				pmb->un.varBIUdiag.un.s2.
+					xmit_bde64.tus.f.bdeSize);
+		dd_data->context_un.mbox.rxbmp = rxbmp;
+		dd_data->context_un.mbox.dmp = dmp;
+	} else {
+		dd_data->context_un.mbox.rxbmp = NULL;
+		dd_data->context_un.mbox.dmp = NULL;
 	}
 
 	/* setup wake call as IOCB callback */
 	pmboxq->mbox_cmpl = lpfc_bsg_wake_mbox_wait;
+
 	/* setup context field to pass wait_queue pointer to wake function */
 	pmboxq->context1 = dd_data;
 	dd_data->type = TYPE_MBOX;
 	dd_data->context_un.mbox.pmboxq = pmboxq;
 	dd_data->context_un.mbox.mb = mb;
 	dd_data->context_un.mbox.set_job = job;
+	dd_data->context_un.mbox.ext = ext;
+	dd_data->context_un.mbox.mbOffset = mbox_req->mbOffset;
+	dd_data->context_un.mbox.inExtWLen = mbox_req->inExtWLen;
+	dd_data->context_un.mbox.outWxtWLen = mbox_req->outWxtWLen;
 	job->dd_data = dd_data;
-	rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
-	if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
-		kfree(dd_data);
-		kfree(mb);
-		mempool_free(pmboxq, phba->mbox_mem_pool);
-		return -EIO;
+
+	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+	    (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) {
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			rc = (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
+			goto job_done;
+		}
+
+		/* job finished, copy the data */
+		memcpy(mb, pmb, sizeof(*pmb));
+		job->reply->reply_payload_rcv_len =
+			sg_copy_from_buffer(job->reply_payload.sg_list,
+					job->reply_payload.sg_cnt,
+					mb, size);
+		/* not waiting mbox already done */
+		rc = 0;
+		goto job_done;
 	}
 
-	return 1;
+	rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
+	if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY))
+		return 1; /* job started */
+
+job_done:
+	/* common exit for error or job completed inline */
+	kfree(mb);
+	if (pmboxq)
+		mempool_free(pmboxq, phba->mbox_mem_pool);
+	kfree(ext);
+	if (dmp) {
+		dma_free_coherent(&phba->pcidev->dev,
+			dmp->size, dmp->dma.virt,
+				dmp->dma.phys);
+		kfree(dmp);
+	}
+	if (rxbmp) {
+		lpfc_mbuf_free(phba, rxbmp->virt, rxbmp->phys);
+		kfree(rxbmp);
+	}
+	kfree(dd_data);
+
+	return rc;
 }
 
 /**
@@ -2638,6 +2779,11 @@ lpfc_bsg_mbox_cmd(struct fc_bsg_job *job)
 		goto job_error;
 	}
 
+	if (job->reply_payload.payload_len != PAGE_SIZE) {
+		rc = -EINVAL;
+		goto job_error;
+	}
+
 	if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
 		rc = -EAGAIN;
 		goto job_error;
@@ -3094,6 +3240,7 @@ lpfc_bsg_timeout(struct fc_bsg_job *job)
 		job->dd_data = NULL;
 		job->reply->reply_payload_rcv_len = 0;
 		job->reply->result = -EAGAIN;
+		/* the mbox completion handler can now be run */
 		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
 		job->job_done(job);
 		break;
diff --git a/drivers/scsi/lpfc/lpfc_bsg.h b/drivers/scsi/lpfc/lpfc_bsg.h
index 5bc630819b9..e89ed22bbb0 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.h
+++ b/drivers/scsi/lpfc/lpfc_bsg.h
@@ -93,9 +93,9 @@ struct get_mgmt_rev_reply {
 
 struct dfc_mbox_req {
 	uint32_t command;
+	uint32_t mbOffset;
 	uint32_t inExtWLen;
-	uint32_t outExtWLen;
-	uint8_t mbOffset;
+	uint32_t outWxtWLen;
 };
 
 /* Used for menlo command or menlo data. The xri is only used for menlo data */
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 89ff7c09e29..6c71ea41663 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -2934,6 +2934,12 @@ typedef struct {
 /* Union of all Mailbox Command types */
 #define MAILBOX_CMD_WSIZE	32
 #define MAILBOX_CMD_SIZE	(MAILBOX_CMD_WSIZE * sizeof(uint32_t))
+/* ext_wsize times 4 bytes should not be greater than max xmit size */
+#define MAILBOX_EXT_WSIZE	512
+#define MAILBOX_EXT_SIZE	(MAILBOX_EXT_WSIZE * sizeof(uint32_t))
+#define MAILBOX_HBA_EXT_OFFSET  0x100
+/* max mbox xmit size is a page size for sysfs IO operations */
+#define MAILBOX_MAX_XMIT_SIZE   PAGE_SIZE
 
 typedef union {
 	uint32_t varWords[MAILBOX_CMD_WSIZE - 1]; /* first word is type/
@@ -3652,7 +3658,8 @@ typedef struct _IOCB {	/* IOCB structure */
 /* Maximum IOCBs that will fit in SLI2 slim */
 #define MAX_SLI2_IOCB    498
 #define MAX_SLIM_IOCB_SIZE (SLI2_SLIM_SIZE - \
-			    (sizeof(MAILBOX_t) + sizeof(PCB_t)))
+			    (sizeof(MAILBOX_t) + sizeof(PCB_t) + \
+			    sizeof(uint32_t) * MAILBOX_EXT_WSIZE))
 
 /* HBQ entries are 4 words each = 4k */
 #define LPFC_TOTAL_HBQ_SIZE (sizeof(struct lpfc_hbq_entry) *  \
@@ -3660,6 +3667,7 @@ typedef struct _IOCB {	/* IOCB structure */
 
 struct lpfc_sli2_slim {
 	MAILBOX_t mbx;
+	uint32_t  mbx_ext_words[MAILBOX_EXT_WSIZE];
 	PCB_t pcb;
 	IOCB_t IOCBs[MAX_SLIM_IOCB_SIZE];
 };
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index f8e88bb423c..feba3be90cb 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -5059,6 +5059,8 @@ lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
 
 	memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
 	phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
+	phba->mbox_ext = (phba->slim2p.virt +
+		offsetof(struct lpfc_sli2_slim, mbx_ext_words));
 	phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
 	phba->IOCBs = (phba->slim2p.virt +
 		       offsetof(struct lpfc_sli2_slim, IOCBs));
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 72e6adb0643..a6b7f5a0210 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1216,7 +1216,7 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	phba->pcb->feature = FEATURE_INITIAL_SLI2;
 
 	/* Setup Mailbox pointers */
-	phba->pcb->mailBoxSize = sizeof(MAILBOX_t);
+	phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE;
 	offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
 	pdma_addr = phba->slim2p.phys + offset;
 	phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
@@ -1272,28 +1272,41 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	 *
 	 */
 
-	if (phba->sli_rev == 3) {
-		phba->host_gp = &mb_slim->us.s3.host[0];
-		phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
-	} else {
-		phba->host_gp = &mb_slim->us.s2.host[0];
+	if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) {
+		phba->host_gp = &phba->mbox->us.s2.host[0];
 		phba->hbq_put = NULL;
-	}
+		offset = (uint8_t *)&phba->mbox->us.s2.host -
+			(uint8_t *)phba->slim2p.virt;
+		pdma_addr = phba->slim2p.phys + offset;
+		phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr);
+		phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr);
+	} else {
+		/* Always Host Group Pointer is in SLIM */
+		mb->un.varCfgPort.hps = 1;
 
-	/* mask off BAR0's flag bits 0 - 3 */
-	phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
-		(void __iomem *)phba->host_gp -
-		(void __iomem *)phba->MBslimaddr;
-	if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
-		phba->pcb->hgpAddrHigh = bar_high;
-	else
-		phba->pcb->hgpAddrHigh = 0;
-	/* write HGP data to SLIM at the required longword offset */
-	memset(&hgp, 0, sizeof(struct lpfc_hgp));
+		if (phba->sli_rev == 3) {
+			phba->host_gp = &mb_slim->us.s3.host[0];
+			phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
+		} else {
+			phba->host_gp = &mb_slim->us.s2.host[0];
+			phba->hbq_put = NULL;
+		}
 
-	for (i=0; i < phba->sli.num_rings; i++) {
-		lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
+		/* mask off BAR0's flag bits 0 - 3 */
+		phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
+			(void __iomem *)phba->host_gp -
+			(void __iomem *)phba->MBslimaddr;
+		if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
+			phba->pcb->hgpAddrHigh = bar_high;
+		else
+			phba->pcb->hgpAddrHigh = 0;
+		/* write HGP data to SLIM at the required longword offset */
+		memset(&hgp, 0, sizeof(struct lpfc_hgp));
+
+		for (i = 0; i < phba->sli.num_rings; i++) {
+			lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
 				    sizeof(*phba->host_gp));
+		}
 	}
 
 	/* Setup Port Group offset */
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index dd879a7d04a..2f701882153 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -4891,9 +4891,34 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
 	mb->mbxOwner = OWN_CHIP;
 
 	if (psli->sli_flag & LPFC_SLI_ACTIVE) {
-		/* First copy command data to host SLIM area */
+		/* Populate mbox extension offset word. */
+		if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) {
+			*(((uint32_t *)mb) + pmbox->mbox_offset_word)
+				= (uint8_t *)phba->mbox_ext
+				  - (uint8_t *)phba->mbox;
+		}
+
+		/* Copy the mailbox extension data */
+		if (pmbox->in_ext_byte_len && pmbox->context2) {
+			lpfc_sli_pcimem_bcopy(pmbox->context2,
+				(uint8_t *)phba->mbox_ext,
+				pmbox->in_ext_byte_len);
+		}
+		/* Copy command data to host SLIM area */
 		lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE);
 	} else {
+		/* Populate mbox extension offset word. */
+		if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len)
+			*(((uint32_t *)mb) + pmbox->mbox_offset_word)
+				= MAILBOX_HBA_EXT_OFFSET;
+
+		/* Copy the mailbox extension data */
+		if (pmbox->in_ext_byte_len && pmbox->context2) {
+			lpfc_memcpy_to_slim(phba->MBslimaddr +
+				MAILBOX_HBA_EXT_OFFSET,
+				pmbox->context2, pmbox->in_ext_byte_len);
+
+		}
 		if (mb->mbxCommand == MBX_CONFIG_PORT) {
 			/* copy command data into host mbox for cmpl */
 			lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE);
@@ -5003,15 +5028,22 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
 		if (psli->sli_flag & LPFC_SLI_ACTIVE) {
 			/* copy results back to user */
 			lpfc_sli_pcimem_bcopy(phba->mbox, mb, MAILBOX_CMD_SIZE);
+			/* Copy the mailbox extension data */
+			if (pmbox->out_ext_byte_len && pmbox->context2) {
+				lpfc_sli_pcimem_bcopy(phba->mbox_ext,
+						      pmbox->context2,
+						      pmbox->out_ext_byte_len);
+			}
 		} else {
 			/* First copy command data */
 			lpfc_memcpy_from_slim(mb, phba->MBslimaddr,
 							MAILBOX_CMD_SIZE);
-			if ((mb->mbxCommand == MBX_DUMP_MEMORY) &&
-				pmbox->context2) {
-				lpfc_memcpy_from_slim((void *)pmbox->context2,
-				      phba->MBslimaddr + DMP_RSP_OFFSET,
-						      mb->un.varDmp.word_cnt);
+			/* Copy the mailbox extension data */
+			if (pmbox->out_ext_byte_len && pmbox->context2) {
+				lpfc_memcpy_from_slim(pmbox->context2,
+					phba->MBslimaddr +
+					MAILBOX_HBA_EXT_OFFSET,
+					pmbox->out_ext_byte_len);
 			}
 		}
 
@@ -8133,6 +8165,12 @@ lpfc_sli_sp_intr_handler(int irq, void *dev_id)
 				if (pmb->mbox_cmpl) {
 					lpfc_sli_pcimem_bcopy(mbox, pmbox,
 							MAILBOX_CMD_SIZE);
+					if (pmb->out_ext_byte_len &&
+						pmb->context2)
+						lpfc_sli_pcimem_bcopy(
+						phba->mbox_ext,
+						pmb->context2,
+						pmb->out_ext_byte_len);
 				}
 				if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) {
 					pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG;
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index b4a639c4761..54a5e0bc827 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -110,6 +110,9 @@ typedef struct lpfcMboxq {
 
 	void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *);
 	uint8_t mbox_flag;
+	uint16_t in_ext_byte_len;
+	uint16_t out_ext_byte_len;
+	uint8_t  mbox_offset_word;
 	struct lpfc_mcqe mcqe;
 	struct lpfc_mbx_nembed_sge_virt *sge_array;
 } LPFC_MBOXQ_t;

From e2af0d2ed86a2415b0562526601cf2d5cae5a96d Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Mon, 15 Mar 2010 11:25:32 -0400
Subject: [PATCH 0311/3638] [SCSI] lpfc 8.3.11: Fix AER uncorrectable non-fatal
 error handling

Only abort outstanding I/O to force the OS to retry failed I/Os for AER
uncorrectable non-fatal errors instead of reseting the adapter.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_init.c | 50 +++++++++++++++++++----------------
 1 file changed, 27 insertions(+), 23 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index feba3be90cb..56421c714bf 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -7764,21 +7764,23 @@ lpfc_pci_resume_one_s3(struct pci_dev *pdev)
  * @phba: pointer to lpfc hba data structure.
  *
  * This routine is called to prepare the SLI3 device for PCI slot recover. It
- * aborts and stops all the on-going I/Os on the pci device.
+ * aborts all the outstanding SCSI I/Os to the pci device.
  **/
 static void
 lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
 {
+	struct lpfc_sli *psli = &phba->sli;
+	struct lpfc_sli_ring  *pring;
+
 	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 			"2723 PCI channel I/O abort preparing for recovery\n");
-	/* Prepare for bringing HBA offline */
-	lpfc_offline_prep(phba);
-	/* Clear sli active flag to prevent sysfs access to HBA */
-	spin_lock_irq(&phba->hbalock);
-	phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE;
-	spin_unlock_irq(&phba->hbalock);
-	/* Stop and flush all I/Os and bring HBA offline */
-	lpfc_offline(phba);
+
+	/*
+	 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
+	 * and let the SCSI mid-layer to retry them to recover.
+	 */
+	pring = &psli->ring[psli->fcp_ring];
+	lpfc_sli_abort_iocb_ring(phba, pring);
 }
 
 /**
@@ -7792,21 +7794,20 @@ lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
 static void
 lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
 {
-	struct lpfc_sli *psli = &phba->sli;
-	struct lpfc_sli_ring  *pring;
-
 	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 			"2710 PCI channel disable preparing for reset\n");
+
+	/* Block all SCSI devices' I/Os on the host */
+	lpfc_scsi_dev_block(phba);
+
+	/* stop all timers */
+	lpfc_stop_hba_timers(phba);
+
 	/* Disable interrupt and pci device */
 	lpfc_sli_disable_intr(phba);
 	pci_disable_device(phba->pcidev);
-	/*
-	 * There may be I/Os dropped by the firmware.
-	 * Error iocb (I/O) on txcmplq and let the SCSI layer
-	 * retry it after re-establishing link.
-	 */
-	pring = &psli->ring[psli->fcp_ring];
-	lpfc_sli_abort_iocb_ring(phba, pring);
+	/* Flush all driver's outstanding SCSI I/Os as we are to reset */
+	lpfc_sli_flush_fcp_rings(phba);
 }
 
 /**
@@ -7822,6 +7823,12 @@ lpfc_prep_dev_for_perm_failure(struct lpfc_hba *phba)
 {
 	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 			"2711 PCI channel permanent disable for failure\n");
+	/* Block all SCSI devices' I/Os on the host */
+	lpfc_scsi_dev_block(phba);
+
+	/* stop all timers */
+	lpfc_stop_hba_timers(phba);
+
 	/* Clean up all driver's outstanding SCSI I/Os */
 	lpfc_sli_flush_fcp_rings(phba);
 }
@@ -7850,9 +7857,6 @@ lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
 	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
 
-	/* Block all SCSI devices' I/Os on the host */
-	lpfc_scsi_dev_block(phba);
-
 	switch (state) {
 	case pci_channel_io_normal:
 		/* Non-fatal error, prepare for recovery */
@@ -7959,7 +7963,7 @@ lpfc_io_resume_s3(struct pci_dev *pdev)
 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
 	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
 
-	/* Bring the device online */
+	/* Bring device online, it will be no-op for non-fatal error resume */
 	lpfc_online(phba);
 
 	/* Clean up Advanced Error Reporting (AER) if needed */

From 4b40c59eced94eea7f4583ffb0dbc33a5fa92499 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Mon, 15 Mar 2010 11:25:44 -0400
Subject: [PATCH 0312/3638] [SCSI] lpfc 8.3.11: NPIV changes

- Enable NPIV by default.
- Added code to handle unsolicited LOGO on physical port.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc.h           |  2 ++
 drivers/scsi/lpfc/lpfc_attr.c      |  2 +-
 drivers/scsi/lpfc/lpfc_els.c       |  7 ++++-
 drivers/scsi/lpfc/lpfc_hbadisc.c   |  7 ++++-
 drivers/scsi/lpfc/lpfc_nportdisc.c | 43 ++++++++++++++++++++++++++----
 5 files changed, 53 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 23b9320539e..e35a4c71eb9 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -310,7 +310,9 @@ struct lpfc_vport {
 #define FC_NLP_MORE             0x40	 /* More node to process in node tbl */
 #define FC_OFFLINE_MODE         0x80	 /* Interface is offline for diag */
 #define FC_FABRIC               0x100	 /* We are fabric attached */
+#define FC_VPORT_LOGO_RCVD      0x200    /* LOGO received on vport */
 #define FC_RSCN_DISCOVERY       0x400	 /* Auth all devices after RSCN */
+#define FC_LOGO_RCVD_DID_CHNG   0x800    /* FDISC on phys port detect DID chng*/
 #define FC_SCSI_SCAN_TMO        0x4000	 /* scsi scan timer running */
 #define FC_ABORT_DISCOVERY      0x8000	 /* we want to abort discovery */
 #define FC_NDISC_ACTIVE         0x10000	 /* NPort discovery active */
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 1849e33e68f..5df15c65b35 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1929,7 +1929,7 @@ int lpfc_enable_npiv = 0;
 module_param(lpfc_enable_npiv, int, 0);
 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
 lpfc_param_show(enable_npiv);
-lpfc_param_init(enable_npiv, 0, 0, 1);
+lpfc_param_init(enable_npiv, 1, 0, 1);
 static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
 			 lpfc_enable_npiv_show, NULL);
 
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 0a337dab211..9508661fe82 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -864,6 +864,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	}
 	spin_lock_irq(shost->host_lock);
 	vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
+	vport->fc_flag &= ~FC_VPORT_LOGO_RCVD;
 	spin_unlock_irq(shost->host_lock);
 
 	/*
@@ -6053,7 +6054,8 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 			spin_lock_irq(shost->host_lock);
 			vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
 			spin_unlock_irq(shost->host_lock);
-			if (vport->port_type == LPFC_PHYSICAL_PORT)
+			if (vport->port_type == LPFC_PHYSICAL_PORT
+				&& !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
 				lpfc_initial_flogi(vport);
 			else
 				lpfc_initial_fdisc(vport);
@@ -6289,6 +6291,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	}
 	spin_lock_irq(shost->host_lock);
 	vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
+	vport->fc_flag &= ~FC_VPORT_LOGO_RCVD;
 	vport->fc_flag |= FC_FABRIC;
 	if (vport->phba->fc_topology == TOPOLOGY_LOOP)
 		vport->fc_flag |=  FC_PUBLIC_LOOP;
@@ -6318,6 +6321,8 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
 		if (phba->sli_rev == LPFC_SLI_REV4)
 			vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
+		else
+			vport->fc_flag |= FC_LOGO_RCVD_DID_CHNG;
 		spin_unlock_irq(shost->host_lock);
 	}
 
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 7c4f389a2f6..d2b55f05aa0 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -3016,7 +3016,12 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
 
 	if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
-		lpfc_start_fdiscs(phba);
+		/* when physical port receive logo donot start
+		 * vport discovery */
+		if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
+			lpfc_start_fdiscs(phba);
+		else
+			vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ;
 		lpfc_do_scr_ns_plogi(phba, vport);
 	}
 
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index e331204a4d5..e1086da6906 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -493,6 +493,9 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	      struct lpfc_iocbq *cmdiocb, uint32_t els_cmd)
 {
 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_hba    *phba = vport->phba;
+	struct lpfc_vport **vports;
+	int i, active_vlink_present = 0 ;
 
 	/* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */
 	/* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
@@ -505,15 +508,44 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
 	else
 		lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
-	if ((ndlp->nlp_DID == Fabric_DID) &&
-		vport->port_type == LPFC_NPIV_PORT) {
+	if (ndlp->nlp_DID == Fabric_DID) {
+		if (vport->port_state <= LPFC_FDISC)
+			goto out;
 		lpfc_linkdown_port(vport);
-		mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
 		spin_lock_irq(shost->host_lock);
-		ndlp->nlp_flag |= NLP_DELAY_TMO;
+		vport->fc_flag |= FC_VPORT_LOGO_RCVD;
 		spin_unlock_irq(shost->host_lock);
+		vports = lpfc_create_vport_work_array(phba);
+		if (vports) {
+			for (i = 0; i <= phba->max_vports && vports[i] != NULL;
+					i++) {
+				if ((!(vports[i]->fc_flag &
+					FC_VPORT_LOGO_RCVD)) &&
+					(vports[i]->port_state > LPFC_FDISC)) {
+					active_vlink_present = 1;
+					break;
+				}
+			}
+			lpfc_destroy_vport_work_array(phba, vports);
+		}
 
-		ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
+		if (active_vlink_present) {
+			/*
+			 * If there are other active VLinks present,
+			 * re-instantiate the Vlink using FDISC.
+			 */
+			mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
+			spin_lock_irq(shost->host_lock);
+			ndlp->nlp_flag |= NLP_DELAY_TMO;
+			spin_unlock_irq(shost->host_lock);
+			ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
+			vport->port_state = LPFC_FDISC;
+		} else {
+			spin_lock_irq(shost->host_lock);
+			phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG;
+			spin_unlock_irq(shost->host_lock);
+			lpfc_retry_pport_discovery(phba);
+		}
 	} else if ((!(ndlp->nlp_type & NLP_FABRIC) &&
 		((ndlp->nlp_type & NLP_FCP_TARGET) ||
 		!(ndlp->nlp_type & NLP_FCP_INITIATOR))) ||
@@ -526,6 +558,7 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 
 		ndlp->nlp_last_elscmd = ELS_CMD_PLOGI;
 	}
+out:
 	ndlp->nlp_prev_state = ndlp->nlp_state;
 	lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
 

From b620debb06da7dff773460674695d524161d90af Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Mon, 15 Mar 2010 11:25:58 -0400
Subject: [PATCH 0313/3638] [SCSI] lpfc 8.3.11: Update Driver version to 8.3.11

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_version.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 013deec5dae..a3a11d37de7 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.3.10"
+#define LPFC_DRIVER_VERSION "8.3.11"
 #define LPFC_DRIVER_NAME		"lpfc"
 #define LPFC_SP_DRIVER_HANDLER_NAME	"lpfc:sp"
 #define LPFC_FP_DRIVER_HANDLER_NAME	"lpfc:fp"

From 31cef6bcb89dbbc325e65f7570644554de7db441 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 15:20:37 +0530
Subject: [PATCH 0314/3638] [SCSI] mpt2sas : Do not reset handle before calling
 _scsih_remove_device in RESCAN task after HBA RESET

Setting handle to zero is not required before _scsih_remove_device.
Driver uses sas_device->handle reference in _scsih_remove_device.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 6d9f99720b4..fa94f0ff776 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -5636,8 +5636,6 @@ _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
 			    (unsigned long long)
 			    sas_device->enclosure_logical_id,
 			    sas_device->slot);
-		/* invalidate the device handle */
-		sas_device->handle = 0;
 		_scsih_remove_device(ioc, sas_device);
 	}
 

From 7921b35c5fcf300ebd860e3e7894c692c9547838 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:21:33 +0530
Subject: [PATCH 0315/3638] [SCSI] mpt2sas: Corrected time stamp

incorrect timestamp on 32 bit platforms: The upper 32 bit of
the timestamp was getting truncated when converting seconds to
milliseconds, which was due to the variable being long. To fix the problem,
the variable needs to be u64. Also the microseconds conversion to
milliseconds was incorrect; it should be divide by 1000 instead of divide by
8.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index fb886d099ba..2e6e45a2803 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3009,8 +3009,8 @@ _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 	 * since epoch ~ midnight January 1, 1970.
 	 */
 	do_gettimeofday(&current_time);
-	mpi_request.TimeStamp = (current_time.tv_sec * 1000) +
-	    (current_time.tv_usec >> 3);
+	mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 +
+	    (current_time.tv_usec / 1000));
 
 	if (ioc->logging_level & MPT_DEBUG_INIT) {
 		u32 *mfp;

From f891dcfdc11d2004253861f51d627bfda6773c76 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:22:21 +0530
Subject: [PATCH 0316/3638] [SCSI] mpt2sas: Corrected conditional checks for
 Internal device Reset

bug fix in the handling of the internal device reset event
The reason code check in scsih_sas_device_status_change_event never
evaluates as true for internal device reset, hence driver never quiesce s IO
when firmware is sending a device reset. The fix is to change the
evaluate to:
if (event_data->ReasonCode !=
    MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
   event_data->ReasonCode !=
    MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
        return;

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index fa94f0ff776..f3ce9b1825b 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -4435,10 +4435,10 @@ _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
 		     event_data);
 #endif
 
-	if (!(event_data->ReasonCode ==
+	if (event_data->ReasonCode !=
 	    MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
-	   event_data->ReasonCode ==
-	    MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET))
+	   event_data->ReasonCode !=
+	    MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
 		return;
 
 	spin_lock_irqsave(&ioc->sas_device_lock, flags);

From 89009fbb7d2df37536c8dc932fdead4189783f92 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:22:52 +0530
Subject: [PATCH 0317/3638] [SCSI] mpt2sas: Use of get_free_pages for huge
 memorary allocation.

use the get_free_pages API for larger contigious physical memory chunk.
Also, the ioc->chain_depth need to be changed from
a 16bit to 32bit variable because the number of chains will exceed 64k
when the queue depth is large.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c | 12 +++++++-----
 drivers/scsi/mpt2sas/mpt2sas_base.h |  5 +++--
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 2e6e45a2803..9ad4b48a9b6 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1901,7 +1901,7 @@ _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
 		    ioc->config_page, ioc->config_page_dma);
 	}
 
-	kfree(ioc->scsi_lookup);
+	free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
 	kfree(ioc->hpr_lookup);
 	kfree(ioc->internal_lookup);
 }
@@ -2113,11 +2113,13 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 	    ioc->name, (unsigned long long) ioc->request_dma));
 	total_sz += sz;
 
-	ioc->scsi_lookup = kcalloc(ioc->scsiio_depth,
-	    sizeof(struct request_tracker), GFP_KERNEL);
+	sz = ioc->scsiio_depth * sizeof(struct request_tracker);
+	ioc->scsi_lookup_pages = get_order(sz);
+	ioc->scsi_lookup = (struct request_tracker *)__get_free_pages(
+	    GFP_KERNEL, ioc->scsi_lookup_pages);
 	if (!ioc->scsi_lookup) {
-		printk(MPT2SAS_ERR_FMT "scsi_lookup: kcalloc failed\n",
-		    ioc->name);
+		printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, "
+		    "sz(%d)\n", ioc->name, (int)sz);
 		goto out;
 	}
 
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 142b694c9de..cdedfcbb8ca 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -676,7 +676,8 @@ struct MPT2SAS_ADAPTER {
 	dma_addr_t	request_dma;
 	u32		request_dma_sz;
 	struct request_tracker *scsi_lookup;
-	spinlock_t scsi_lookup_lock;
+	ulong		scsi_lookup_pages;
+	spinlock_t 	scsi_lookup_lock;
 	struct list_head free_list;
 	int		pending_io_count;
 	wait_queue_head_t reset_wq;
@@ -688,7 +689,7 @@ struct MPT2SAS_ADAPTER {
 	u16		max_sges_in_chain_message;
 	u16		chains_needed_per_io;
 	u16		chain_offset_value_for_main_message;
-	u16		chain_depth;
+	u32		chain_depth;
 
 	/* hi-priority queue */
 	u16		hi_priority_smid;

From 6558bbb1457d2f33e233f9ed7bcf17fe96b93878 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:23:36 +0530
Subject: [PATCH 0318/3638] [SCSI] mpt2sas: Early return from function if shost
 is in recovery.

Aded checks for shost_recovery flag for early return from function.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c  | 2 ++
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 6 +++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 9ad4b48a9b6..b7b6285a306 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3521,7 +3521,9 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
 	    __func__));
 
 	_base_mask_interrupts(ioc);
+	ioc->shost_recovery = 1;
 	_base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
+	ioc->shost_recovery = 0;
 	if (ioc->pci_irq) {
 		synchronize_irq(pdev->irq);
 		free_irq(ioc->pci_irq, ioc);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index f3ce9b1825b..61199759f8d 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1979,7 +1979,7 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
 		return;
 	}
 
-	if (ioc->shost_recovery) {
+	if (ioc->shost_recovery || ioc->remove_host) {
 		printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
 		    __func__, ioc->name);
 		return;
@@ -4246,7 +4246,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
 		_scsih_sas_topology_change_event_debug(ioc, event_data);
 #endif
 
-	if (ioc->shost_recovery)
+	if (ioc->shost_recovery || ioc->remove_host)
 		return;
 
 	if (!ioc->sas_hba.num_phys)
@@ -4285,7 +4285,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
 			    "expander event\n", ioc->name));
 			return;
 		}
-		if (ioc->shost_recovery)
+		if (ioc->shost_recovery || ioc->remove_host)
 			return;
 		phy_number = event_data->StartPhyNum + i;
 		reason_code = event_data->PHY[i].PhyStatus &

From b4344276f75827f609ebef886b292653bec38f92 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:24:14 +0530
Subject: [PATCH 0319/3638] [SCSI] mpt2sas: Driver will not treat NEEDS_INIT as
 failure.

Now Driver will not treat NEEDS_INIT as failure. In addition to this,
the driver will now display message to describe the the access flags
when bits are set, so the end user can better understand failures.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 153 ++++++++++++++++++++++++---
 1 file changed, 138 insertions(+), 15 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 61199759f8d..afd3b82f7cd 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2384,7 +2384,6 @@ _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc)
 	}
 }
 
-
 /**
  * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
  * @ioc: per adapter object
@@ -3917,6 +3916,134 @@ _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
 	_scsih_expander_node_remove(ioc, sas_expander);
 }
 
+/**
+ * _scsih_check_access_status - check access flags
+ * @ioc: per adapter object
+ * @sas_address: sas address
+ * @handle: sas device handle
+ * @access_flags: errors returned during discovery of the device
+ *
+ * Return 0 for success, else failure
+ */
+static u8
+_scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
+   u16 handle, u8 access_status)
+{
+	u8 rc = 1;
+	char *desc = NULL;
+
+	switch (access_status) {
+	case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
+	case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
+		rc = 0;
+		break;
+	case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
+		desc = "sata capability failed";
+		break;
+	case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
+		desc = "sata affiliation conflict";
+		break;
+	case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
+		desc = "route not addressable";
+		break;
+	case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
+		desc = "smp error not addressable";
+		break;
+	case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
+		desc = "device blocked";
+		break;
+	case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
+	case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
+		desc = "sata initialization failed";
+		break;
+	default:
+		desc = "unknown";
+		break;
+	}
+
+	if (!rc)
+		return 0;
+
+	printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), "
+	    "handle(0x%04x)\n", ioc->name, desc,
+	    (unsigned long long)sas_address, handle);
+	return rc;
+}
+
+static void
+_scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
+{
+	Mpi2ConfigReply_t mpi_reply;
+	Mpi2SasDevicePage0_t sas_device_pg0;
+	struct _sas_device *sas_device;
+	u32 ioc_status;
+	unsigned long flags;
+	u64 sas_address;
+	struct scsi_target *starget;
+	struct MPT2SAS_TARGET *sas_target_priv_data;
+	u32 device_info;
+
+	if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
+	    MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
+		return;
+
+	ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
+	if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
+		return;
+
+	/* check if this is end device */
+	device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
+	if (!(_scsih_is_end_device(device_info)))
+		return;
+
+	spin_lock_irqsave(&ioc->sas_device_lock, flags);
+	sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
+	sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
+	    sas_address);
+
+	if (!sas_device) {
+		printk(MPT2SAS_ERR_FMT "device is not present "
+		    "handle(0x%04x), no sas_device!!!\n", ioc->name, handle);
+		spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+		return;
+	}
+
+	if (unlikely(sas_device->handle != handle)) {
+		starget = sas_device->starget;
+		sas_target_priv_data = starget->hostdata;
+		starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)"
+		   " to (0x%04x)!!!\n", sas_device->handle, handle);
+		sas_target_priv_data->handle = handle;
+		sas_device->handle = handle;
+	}
+	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+	/* check if device is present */
+	if (!(le16_to_cpu(sas_device_pg0.Flags) &
+	    MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
+		printk(MPT2SAS_ERR_FMT "device is not present "
+		    "handle(0x%04x), flags!!!\n", ioc->name, handle);
+		return;
+	}
+
+	/* check if there were any issues with discovery */
+	if (_scsih_check_access_status(ioc, sas_address, handle,
+	    sas_device_pg0.AccessStatus))
+		return;
+	_scsih_ublock_io_device(ioc, handle);
+
+}
+
 /**
  * _scsih_add_device -  creating sas device object
  * @ioc: per adapter object
@@ -3955,6 +4082,8 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
 		return -1;
 	}
 
+	sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
+
 	/* check if device is present */
 	if (!(le16_to_cpu(sas_device_pg0.Flags) &
 	    MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
@@ -3965,15 +4094,10 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
 		return -1;
 	}
 
-	/* check if there were any issus with discovery */
-	if (sas_device_pg0.AccessStatus ==
-	    MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED) {
-		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
-		    ioc->name, __FILE__, __LINE__, __func__);
-		printk(MPT2SAS_ERR_FMT "AccessStatus = 0x%02x\n",
-		    ioc->name, sas_device_pg0.AccessStatus);
+	/* check if there were any issues with discovery */
+	if (_scsih_check_access_status(ioc, sas_address, handle,
+	    sas_device_pg0.AccessStatus))
 		return -1;
-	}
 
 	/* check if this is end device */
 	device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
@@ -3983,17 +4107,14 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
 		return -1;
 	}
 
-	sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
 
 	spin_lock_irqsave(&ioc->sas_device_lock, flags);
 	sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
 	    sas_address);
 	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
 
-	if (sas_device) {
-		_scsih_ublock_io_device(ioc, handle);
+	if (sas_device)
 		return 0;
-	}
 
 	sas_device = kzalloc(sizeof(struct _sas_device),
 	    GFP_KERNEL);
@@ -4308,8 +4429,10 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
 			mpt2sas_transport_update_links(ioc, sas_address,
 			    handle, phy_number, link_rate);
 
-			if (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)
-				_scsih_ublock_io_device(ioc, handle);
+			if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
+				break;
+
+			_scsih_check_device(ioc, handle);
 			break;
 		case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
 

From e94f67472106e5a0e97c79090211c551e69e889b Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:24:52 +0530
Subject: [PATCH 0320/3638] [SCSI] mpt2sas: Fix for little endian

1. Fixes for little endian issues.
2. Now Debug info for Discovery event is more readable.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c      | 22 +++++++++++++++++---
 drivers/scsi/mpt2sas/mpt2sas_config.c    |  6 +++---
 drivers/scsi/mpt2sas/mpt2sas_ctl.c       | 26 +++++++++++++-----------
 drivers/scsi/mpt2sas/mpt2sas_scsih.c     | 15 +++++++-------
 drivers/scsi/mpt2sas/mpt2sas_transport.c |  3 ++-
 5 files changed, 46 insertions(+), 26 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index b7b6285a306..6f786349679 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -285,6 +285,9 @@ _base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply,
 	    request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION)
 		return;
 
+	if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
+		return;
+
 	switch (ioc_status) {
 
 /****************************************************************************
@@ -517,8 +520,18 @@ _base_display_event_data(struct MPT2SAS_ADAPTER *ioc,
 		desc = "IR Operation Status";
 		break;
 	case MPI2_EVENT_SAS_DISCOVERY:
-		desc =  "Discovery";
-		break;
+	{
+		Mpi2EventDataSasDiscovery_t *event_data =
+		    (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData;
+		printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name,
+		    (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
+		    "start" : "stop");
+		if (event_data->DiscoveryStatus)
+			printk("discovery_status(0x%08x)",
+			    le32_to_cpu(event_data->DiscoveryStatus));
+			printk("\n");
+		return;
+	}
 	case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
 		desc = "SAS Broadcast Primitive";
 		break;
@@ -3184,7 +3197,7 @@ _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 	mpi_request->VP_ID = 0;
 	for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
 		mpi_request->EventMasks[i] =
-		    le32_to_cpu(ioc->event_masks[i]);
+		    cpu_to_le32(ioc->event_masks[i]);
 	mpt2sas_base_put_smid_default(ioc, smid);
 	init_completion(&ioc->base_cmds.done);
 	timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ);
@@ -3648,6 +3661,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	pci_set_drvdata(ioc->pdev, NULL);
 	kfree(ioc->tm_cmds.reply);
 	kfree(ioc->transport_cmds.reply);
+	kfree(ioc->scsih_cmds.reply);
 	kfree(ioc->config_cmds.reply);
 	kfree(ioc->base_cmds.reply);
 	kfree(ioc->ctl_cmds.reply);
@@ -3655,6 +3669,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	ioc->ctl_cmds.reply = NULL;
 	ioc->base_cmds.reply = NULL;
 	ioc->tm_cmds.reply = NULL;
+	ioc->scsih_cmds.reply = NULL;
 	ioc->transport_cmds.reply = NULL;
 	ioc->config_cmds.reply = NULL;
 	ioc->pfacts = NULL;
@@ -3684,6 +3699,7 @@ mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
 	kfree(ioc->base_cmds.reply);
 	kfree(ioc->tm_cmds.reply);
 	kfree(ioc->transport_cmds.reply);
+	kfree(ioc->scsih_cmds.reply);
 	kfree(ioc->config_cmds.reply);
 }
 
diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c
index cf44b355bc9..6f713fd5708 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_config.c
@@ -1390,12 +1390,12 @@ mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
 	if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
 		goto out;
 	for (i = 0; i < config_page->NumElements; i++) {
-		if ((config_page->ConfigElement[i].ElementFlags &
+		if ((le16_to_cpu(config_page->ConfigElement[i].ElementFlags) &
 		    MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE) !=
 		    MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT)
 			continue;
-		if (config_page->ConfigElement[i].PhysDiskDevHandle ==
-		    pd_handle) {
+		if (le16_to_cpu(config_page->ConfigElement[i].
+		    PhysDiskDevHandle) == pd_handle) {
 			*volume_handle = le16_to_cpu(config_page->
 			    ConfigElement[i].VolDevHandle);
 			r = 0;
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index fa9bf83819d..ae55a912baf 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -533,7 +533,7 @@ _ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg,
 	if (!found) {
 		dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
 		    "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name,
-		    desc, tm_request->DevHandle, lun));
+		    desc, le16_to_cpu(tm_request->DevHandle), lun));
 		tm_reply = ioc->ctl_cmds.reply;
 		tm_reply->DevHandle = tm_request->DevHandle;
 		tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
@@ -551,7 +551,8 @@ _ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg,
 
 	dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
 	    "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name,
-	    desc, tm_request->DevHandle, lun, tm_request->TaskMID));
+	    desc, le16_to_cpu(tm_request->DevHandle), lun,
+	     le16_to_cpu(tm_request->TaskMID)));
 	return 0;
 }
 
@@ -647,9 +648,9 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
 
 	if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
 	    mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
-		if (!mpi_request->FunctionDependent1 ||
-		    mpi_request->FunctionDependent1 >
-		    cpu_to_le16(ioc->facts.MaxDevHandle)) {
+		if (!le16_to_cpu(mpi_request->FunctionDependent1) ||
+		    le16_to_cpu(mpi_request->FunctionDependent1) >
+		    ioc->facts.MaxDevHandle) {
 			ret = -EINVAL;
 			mpt2sas_base_free_smid(ioc, smid);
 			goto out;
@@ -897,11 +898,11 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
 		    MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
 			printk(MPT2SAS_INFO_FMT "issue target reset: handle "
 			    "= (0x%04x)\n", ioc->name,
-			    mpi_request->FunctionDependent1);
+			    le16_to_cpu(mpi_request->FunctionDependent1));
 			mpt2sas_halt_firmware(ioc);
 			mutex_lock(&ioc->tm_cmds.mutex);
 			mpt2sas_scsih_issue_tm(ioc,
-			    mpi_request->FunctionDependent1, 0,
+			    le16_to_cpu(mpi_request->FunctionDependent1), 0,
 			    MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10);
 			ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
 			mutex_unlock(&ioc->tm_cmds.mutex);
@@ -1373,7 +1374,8 @@ _ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc,
 
 	dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: diag_buffer(0x%p), "
 	    "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data,
-	    (unsigned long long)request_data_dma, mpi_request->BufferLength));
+	    (unsigned long long)request_data_dma,
+	    le32_to_cpu(mpi_request->BufferLength)));
 
 	for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
 		mpi_request->ProductSpecific[i] =
@@ -2334,8 +2336,8 @@ _ctl_version_nvdata_persistent_show(struct device *cdev,
 	struct Scsi_Host *shost = class_to_shost(cdev);
 	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
 
-	return snprintf(buf, PAGE_SIZE, "%02xh\n",
-	    le16_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
+	return snprintf(buf, PAGE_SIZE, "%08xh\n",
+	    le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
 }
 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
     _ctl_version_nvdata_persistent_show, NULL);
@@ -2354,8 +2356,8 @@ _ctl_version_nvdata_default_show(struct device *cdev,
 	struct Scsi_Host *shost = class_to_shost(cdev);
 	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
 
-	return snprintf(buf, PAGE_SIZE, "%02xh\n",
-	    le16_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
+	return snprintf(buf, PAGE_SIZE, "%08xh\n",
+	    le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
 }
 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
     _ctl_version_nvdata_default_show, NULL);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index afd3b82f7cd..3d1be440ed7 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1376,7 +1376,7 @@ _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
 	}
 
 	flags = le16_to_cpu(sas_device_pg0.Flags);
-	device_info = le16_to_cpu(sas_device_pg0.DeviceInfo);
+	device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
 
 	sdev_printk(KERN_INFO, sdev,
 	    "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
@@ -3210,8 +3210,8 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
 		struct sense_info data;
 		_scsih_normalize_sense(scmd->sense_buffer, &data);
 		printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
-		    "[0x%02x,0x%02x,0x%02x]\n", ioc->name, data.skey,
-		    data.asc, data.ascq);
+		    "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey,
+		    data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
 	}
 
 	if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
@@ -3265,7 +3265,7 @@ _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 		mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
 		mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
 		mpi_request.SlotStatus =
-		    MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT;
+		    cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
 		mpi_request.DevHandle = cpu_to_le16(handle);
 		mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
 		if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
@@ -5934,6 +5934,7 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 	struct fw_event_work *fw_event;
 	Mpi2EventNotificationReply_t *mpi_reply;
 	u16 event;
+	u16 sz;
 
 	/* events turned off due to host reset or driver unloading */
 	if (ioc->remove_host)
@@ -5984,8 +5985,8 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 		    ioc->name, __FILE__, __LINE__, __func__);
 		return 1;
 	}
-	fw_event->event_data =
-	    kzalloc(mpi_reply->EventDataLength*4, GFP_ATOMIC);
+	sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
+	fw_event->event_data = kzalloc(sz, GFP_ATOMIC);
 	if (!fw_event->event_data) {
 		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
 		    ioc->name, __FILE__, __LINE__, __func__);
@@ -5994,7 +5995,7 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 	}
 
 	memcpy(fw_event->event_data, mpi_reply->EventData,
-	    mpi_reply->EventDataLength*4);
+	    sz);
 	fw_event->ioc = ioc;
 	fw_event->VF_ID = mpi_reply->VF_ID;
 	fw_event->VP_ID = mpi_reply->VP_ID;
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index bd7ca2b49f8..9b585f02e80 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -1341,7 +1341,8 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
 		memcpy(req->sense, mpi_reply, sizeof(*mpi_reply));
 		req->sense_len = sizeof(*mpi_reply);
 		req->resid_len = 0;
-		rsp->resid_len -= mpi_reply->ResponseDataLength;
+		rsp->resid_len -=
+		    le16_to_cpu(mpi_reply->ResponseDataLength);
 	} else {
 		dtransportprintk(ioc, printk(MPT2SAS_DEBUG_FMT
 		    "%s - no reply\n", ioc->name, __func__));

From 8ed9a03ad4c1b6c5ae163e5e9f140852be0273a1 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:25:59 +0530
Subject: [PATCH 0321/3638] [SCSI] mpt2sas: removed use of tm_cmds.mutex in
 IOCTL branch.

Removed all the mutex's for ioc->tm_cmds.mutex, then created one
single mutex inside the function mpt2sas_scsih_issue_tm. This is the
single function used when sending task management. Also the sanity
checks required for scsi mid layer escalation were moved to inside the
same function because these checks need to be done while the mutex is
held. The ioc->tm_cmds.mutex inside the IOCTL branch is really not
required since there is another mutex in this code called for ctl_cmds
handling this sync.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.h  |   5 +-
 drivers/scsi/mpt2sas/mpt2sas_ctl.c   |  13 +-
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 173 +++++++++++++++------------
 3 files changed, 108 insertions(+), 83 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index cdedfcbb8ca..9973efd200a 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -803,8 +803,9 @@ void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
 /* scsih shared API */
 u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
     u32 reply);
-void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
-    u8 type, u16 smid_task, ulong timeout);
+int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
+    uint channel, uint id, uint lun, u8 type, u16 smid_task,
+    ulong timeout, struct scsi_cmnd *scmd);
 void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index ae55a912baf..9860e7edd44 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -753,6 +753,10 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
 		Mpi2SCSITaskManagementRequest_t *tm_request =
 		    (Mpi2SCSITaskManagementRequest_t *)mpi_request;
 
+		dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "TASK_MGMT: "
+		    "handle(0x%04x), task_type(0x%02x)\n", ioc->name,
+		    le16_to_cpu(tm_request->DevHandle), tm_request->TaskType));
+
 		if (tm_request->TaskType ==
 		    MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
 		    tm_request->TaskType ==
@@ -763,7 +767,6 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
 			}
 		}
 
-		mutex_lock(&ioc->tm_cmds.mutex);
 		mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu(
 		    tm_request->DevHandle));
 		mpt2sas_base_put_smid_hi_priority(ioc, smid);
@@ -819,7 +822,6 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
 	if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
 		Mpi2SCSITaskManagementRequest_t *tm_request =
 		    (Mpi2SCSITaskManagementRequest_t *)mpi_request;
-		mutex_unlock(&ioc->tm_cmds.mutex);
 		mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu(
 		    tm_request->DevHandle));
 	} else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH ||
@@ -900,12 +902,11 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
 			    "= (0x%04x)\n", ioc->name,
 			    le16_to_cpu(mpi_request->FunctionDependent1));
 			mpt2sas_halt_firmware(ioc);
-			mutex_lock(&ioc->tm_cmds.mutex);
 			mpt2sas_scsih_issue_tm(ioc,
-			    le16_to_cpu(mpi_request->FunctionDependent1), 0,
-			    MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10);
+			    le16_to_cpu(mpi_request->FunctionDependent1), 0, 0,
+			    0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10,
+			    NULL);
 			ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
-			mutex_unlock(&ioc->tm_cmds.mutex);
 		} else
 			mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
 			    FORCE_BIG_HAMMER);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 3d1be440ed7..cfaefd10515 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1944,65 +1944,78 @@ mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 	}
 }
 
+
 /**
  * mpt2sas_scsih_issue_tm - main routine for sending tm requests
  * @ioc: per adapter struct
  * @device_handle: device handle
+ * @channel: the channel assigned by the OS
+ * @id: the id assigned by the OS
  * @lun: lun number
  * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
  * @smid_task: smid assigned to the task
  * @timeout: timeout in seconds
- * Context: The calling function needs to acquire the tm_cmds.mutex
+ * Context: user
  *
  * A generic API for sending task management requests to firmware.
  *
- * The ioc->tm_cmds.status flag should be MPT2_CMD_NOT_USED before calling
- * this API.
- *
  * The callback index is set inside `ioc->tm_cb_idx`.
  *
- * Return nothing.
+ * Return SUCCESS or FAILED.
  */
-void
-mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
-    u8 type, u16 smid_task, ulong timeout)
+int
+mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
+    uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
+    struct scsi_cmnd *scmd)
 {
 	Mpi2SCSITaskManagementRequest_t *mpi_request;
 	Mpi2SCSITaskManagementReply_t *mpi_reply;
 	u16 smid = 0;
 	u32 ioc_state;
 	unsigned long timeleft;
+	struct scsi_cmnd *scmd_lookup;
+	int rc;
 
+	mutex_lock(&ioc->tm_cmds.mutex);
 	if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
 		printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
 		    __func__, ioc->name);
-		return;
+		rc = FAILED;
+		goto err_out;
 	}
 
 	if (ioc->shost_recovery || ioc->remove_host) {
 		printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
 		    __func__, ioc->name);
-		return;
+		rc = FAILED;
+		goto err_out;
 	}
 
 	ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
 	if (ioc_state & MPI2_DOORBELL_USED) {
 		dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell "
 		    "active!\n", ioc->name));
-		goto issue_host_reset;
+		mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
+		    FORCE_BIG_HAMMER);
+		rc = SUCCESS;
+		goto err_out;
 	}
 
 	if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
 		mpt2sas_base_fault_info(ioc, ioc_state &
 		    MPI2_DOORBELL_DATA_MASK);
-		goto issue_host_reset;
+		mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
+		    FORCE_BIG_HAMMER);
+		rc = SUCCESS;
+		goto err_out;
 	}
 
 	smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
 	if (!smid) {
 		printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
 		    ioc->name, __func__);
-		return;
+		rc = FAILED;
+		goto err_out;
 	}
 
 	dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
@@ -2016,21 +2029,24 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
 	mpi_request->DevHandle = cpu_to_le16(handle);
 	mpi_request->TaskType = type;
 	mpi_request->TaskMID = cpu_to_le16(smid_task);
-	mpi_request->VP_ID = 0;  /* TODO */
-	mpi_request->VF_ID = 0;
 	int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
 	mpt2sas_scsih_set_tm_flag(ioc, handle);
 	init_completion(&ioc->tm_cmds.done);
 	mpt2sas_base_put_smid_hi_priority(ioc, smid);
 	timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
-	mpt2sas_scsih_clear_tm_flag(ioc, handle);
 	if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
 		printk(MPT2SAS_ERR_FMT "%s: timeout\n",
 		    ioc->name, __func__);
 		_debug_dump_mf(mpi_request,
 		    sizeof(Mpi2SCSITaskManagementRequest_t)/4);
-		if (!(ioc->tm_cmds.status & MPT2_CMD_RESET))
-			goto issue_host_reset;
+		if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) {
+			mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
+			    FORCE_BIG_HAMMER);
+			rc = SUCCESS;
+			ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
+			mpt2sas_scsih_clear_tm_flag(ioc, handle);
+			goto err_out;
+		}
 	}
 
 	if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
@@ -2040,12 +2056,57 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
 		    ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
 		    le32_to_cpu(mpi_reply->IOCLogInfo),
 		    le32_to_cpu(mpi_reply->TerminationCount)));
-		if (ioc->logging_level & MPT_DEBUG_TM)
+		if (ioc->logging_level & MPT_DEBUG_TM) {
 			_scsih_response_code(ioc, mpi_reply->ResponseCode);
+			if (mpi_reply->IOCStatus)
+				_debug_dump_mf(mpi_request,
+				    sizeof(Mpi2SCSITaskManagementRequest_t)/4);
+		}
 	}
-	return;
- issue_host_reset:
-	mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER);
+
+	/* sanity check:
+	 * Check to see the commands were terminated.
+	 * This is only needed for eh callbacks, hence the scmd check.
+	 */
+	rc = FAILED;
+	if (scmd == NULL)
+		goto bypass_sanity_checks;
+	switch (type) {
+	case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
+		scmd_lookup = _scsih_scsi_lookup_get(ioc, smid_task);
+		if (scmd_lookup && (scmd_lookup->serial_number ==
+		    scmd->serial_number))
+			rc = FAILED;
+		else
+			rc = SUCCESS;
+		break;
+
+	case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
+		if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
+			rc = FAILED;
+		else
+			rc = SUCCESS;
+		break;
+
+	case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
+		if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
+			rc = FAILED;
+		else
+			rc = SUCCESS;
+		break;
+	}
+
+ bypass_sanity_checks:
+
+	mpt2sas_scsih_clear_tm_flag(ioc, handle);
+	ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
+	mutex_unlock(&ioc->tm_cmds.mutex);
+
+	return rc;
+
+ err_out:
+	mutex_unlock(&ioc->tm_cmds.mutex);
+	return rc;
 }
 
 /**
@@ -2062,7 +2123,6 @@ _scsih_abort(struct scsi_cmnd *scmd)
 	u16 smid;
 	u16 handle;
 	int r;
-	struct scsi_cmnd *scmd_lookup;
 
 	printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n",
 	    ioc->name, scmd);
@@ -2097,19 +2157,10 @@ _scsih_abort(struct scsi_cmnd *scmd)
 
 	mpt2sas_halt_firmware(ioc);
 
-	mutex_lock(&ioc->tm_cmds.mutex);
 	handle = sas_device_priv_data->sas_target->handle;
-	mpt2sas_scsih_issue_tm(ioc, handle, sas_device_priv_data->lun,
-	    MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30);
-
-	/* sanity check - see whether command actually completed */
-	scmd_lookup = _scsih_scsi_lookup_get(ioc, smid);
-	if (scmd_lookup && (scmd_lookup->serial_number == scmd->serial_number))
-		r = FAILED;
-	else
-		r = SUCCESS;
-	ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
-	mutex_unlock(&ioc->tm_cmds.mutex);
+	r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+	    scmd->device->id, scmd->device->lun,
+	    MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, scmd);
 
  out:
 	printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n",
@@ -2166,22 +2217,9 @@ _scsih_dev_reset(struct scsi_cmnd *scmd)
 		goto out;
 	}
 
-	mutex_lock(&ioc->tm_cmds.mutex);
-	mpt2sas_scsih_issue_tm(ioc, handle, 0,
-	    MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, scmd->device->lun,
-	    30);
-
-	/*
-	 *  sanity check see whether all commands to this device been
-	 *  completed
-	 */
-	if (_scsih_scsi_lookup_find_by_lun(ioc, scmd->device->id,
-	    scmd->device->lun, scmd->device->channel))
-		r = FAILED;
-	else
-		r = SUCCESS;
-	ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
-	mutex_unlock(&ioc->tm_cmds.mutex);
+	r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+	    scmd->device->id, scmd->device->lun,
+	    MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, scmd);
 
  out:
 	printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n",
@@ -2238,21 +2276,9 @@ _scsih_target_reset(struct scsi_cmnd *scmd)
 		goto out;
 	}
 
-	mutex_lock(&ioc->tm_cmds.mutex);
-	mpt2sas_scsih_issue_tm(ioc, handle, 0,
-	    MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30);
-
-	/*
-	 *  sanity check see whether all commands to this target been
-	 *  completed
-	 */
-	if (_scsih_scsi_lookup_find_by_target(ioc, scmd->device->id,
-	    scmd->device->channel))
-		r = FAILED;
-	else
-		r = SUCCESS;
-	ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
-	mutex_unlock(&ioc->tm_cmds.mutex);
+	r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+	    scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
+	    30, scmd);
 
  out:
 	printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n",
@@ -4183,8 +4209,8 @@ _scsih_remove_pd_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device
 		return;
 	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: "
 	    "handle(0x%04x)\n", ioc->name, vol_handle));
-	mpt2sas_scsih_issue_tm(ioc, vol_handle, 0,
-	    MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30);
+	mpt2sas_scsih_issue_tm(ioc, vol_handle, 0, 0, 0,
+	    MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30, NULL);
 	dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset "
 	    "done: handle(0x%04x)\n", ioc->name, vol_handle));
 	if (ioc->shost_recovery)
@@ -4668,7 +4694,6 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
 	dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
 	    __func__));
 
-	mutex_lock(&ioc->tm_cmds.mutex);
 	termination_count = 0;
 	query_count = 0;
 	mpi_reply = ioc->tm_cmds.reply;
@@ -4692,8 +4717,8 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
 		lun = sas_device_priv_data->lun;
 		query_count++;
 
-		mpt2sas_scsih_issue_tm(ioc, handle, lun,
-		    MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
+		mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
+		    MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, NULL);
 		ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
 		ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
 		    & MPI2_IOCSTATUS_MASK;
@@ -4704,13 +4729,11 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
 		     MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
 			continue;
 
-		mpt2sas_scsih_issue_tm(ioc, handle, lun,
-		    MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30);
-		ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
+		mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
+		    MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30, NULL);
 		termination_count += le32_to_cpu(mpi_reply->TerminationCount);
 	}
 	ioc->broadcast_aen_busy = 0;
-	mutex_unlock(&ioc->tm_cmds.mutex);
 
 	dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT
 	    "%s - exit, query_count = %d termination_count = %d\n",

From f6aee7b9aee96ef18354f0f86e65ec635ee5039f Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:26:48 +0530
Subject: [PATCH 0322/3638] [SCSI] mpt2sas: return -ENOMEM if memory allocation
 failed.

Added proper return type values in case memory allocation failed.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 6f786349679..6c384dac5ec 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3580,8 +3580,10 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 
 	ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
 	    sizeof(Mpi2PortFactsReply_t), GFP_KERNEL);
-	if (!ioc->pfacts)
+	if (!ioc->pfacts) {
+		r = -ENOMEM;
 		goto out_free_resources;
+	}
 
 	for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
 		r = _base_get_port_facts(ioc, i, CAN_SLEEP);
@@ -3627,6 +3629,13 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
 	mutex_init(&ioc->ctl_cmds.mutex);
 
+	if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
+	    !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
+	    !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) {
+		r = -ENOMEM;
+		goto out_free_resources;
+	}
+
 	init_completion(&ioc->shost_recovery_done);
 
 	for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)

From 58287fd59c3c7b1f69715aefda888b0e1ccd68a3 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:27:25 +0530
Subject: [PATCH 0323/3638] [SCSI] mpt2sas: Default descriptor for RAID
 Passthru command.

RAID_SCSI_IO_PASSTHROUGH: Driver needs to be send the default
descriptor for RAID Passthru, currently its sending SCSI_IO descriptor.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index cfaefd10515..4fdbb0bbfa0 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -3045,8 +3045,11 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
 		}
 	}
 
-	mpt2sas_base_put_smid_scsi_io(ioc, smid,
-	    sas_device_priv_data->sas_target->handle);
+	if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST))
+		mpt2sas_base_put_smid_scsi_io(ioc, smid,
+		    sas_device_priv_data->sas_target->handle);
+	else
+		mpt2sas_base_put_smid_default(ioc, smid);
 	return 0;
 
  out:

From 31b7f2e25d4b30d9b8701a6820c8e521cf409c29 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:28:04 +0530
Subject: [PATCH 0324/3638] [SCSI] mpt2sas: Copyright 2010.

Copyright changes for year 2010.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/Kconfig              | 2 +-
 drivers/scsi/mpt2sas/mpi/mpi2.h           | 2 +-
 drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h      | 2 +-
 drivers/scsi/mpt2sas/mpi/mpi2_history.txt | 2 +-
 drivers/scsi/mpt2sas/mpi/mpi2_init.h      | 2 +-
 drivers/scsi/mpt2sas/mpi/mpi2_ioc.h       | 2 +-
 drivers/scsi/mpt2sas/mpi/mpi2_tool.h      | 2 +-
 drivers/scsi/mpt2sas/mpt2sas_base.c       | 2 +-
 drivers/scsi/mpt2sas/mpt2sas_base.h       | 2 +-
 drivers/scsi/mpt2sas/mpt2sas_config.c     | 2 +-
 drivers/scsi/mpt2sas/mpt2sas_ctl.c        | 2 +-
 drivers/scsi/mpt2sas/mpt2sas_ctl.h        | 2 +-
 drivers/scsi/mpt2sas/mpt2sas_debug.h      | 2 +-
 drivers/scsi/mpt2sas/mpt2sas_scsih.c      | 2 +-
 drivers/scsi/mpt2sas/mpt2sas_transport.c  | 2 +-
 15 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/scsi/mpt2sas/Kconfig b/drivers/scsi/mpt2sas/Kconfig
index ba8e128de23..bbb7e4bf30a 100644
--- a/drivers/scsi/mpt2sas/Kconfig
+++ b/drivers/scsi/mpt2sas/Kconfig
@@ -2,7 +2,7 @@
 # Kernel configuration file for the MPT2SAS
 #
 # This code is based on drivers/scsi/mpt2sas/Kconfig
-# Copyright (C) 2007-2009  LSI Corporation
+# Copyright (C) 2007-2010  LSI Corporation
 #  (mailto:DL-MPTFusionLinux@lsi.com)
 
 # This program is free software; you can redistribute it and/or
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2.h b/drivers/scsi/mpt2sas/mpi/mpi2.h
index 9958d847a88..dada0a13223 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000-2009 LSI Corporation.
+ *  Copyright (c) 2000-2010 LSI Corporation.
  *
  *
  *           Name:  mpi2.h
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h b/drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h
index cf0ac9f40c9..d4e9d6f8452 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000-2009 LSI Corporation.
+ *  Copyright (c) 2000-2010 LSI Corporation.
  *
  *
  *           Name:  mpi2_cnfg.h
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_history.txt b/drivers/scsi/mpt2sas/mpi/mpi2_history.txt
index c4adf76b49d..bd6c92b5fae 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_history.txt
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_history.txt
@@ -2,7 +2,7 @@
  Fusion-MPT MPI 2.0 Header File Change History
  ==============================
 
- Copyright (c) 2000-2009 LSI Corporation.
+ Copyright (c) 2000-2010 LSI Corporation.
 
  ---------------------------------------
  Header Set Release Version:    02.00.14
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_init.h b/drivers/scsi/mpt2sas/mpi/mpi2_init.h
index 6541945e97c..220bf65a921 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_init.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_init.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000-2009 LSI Corporation.
+ *  Copyright (c) 2000-2010 LSI Corporation.
  *
  *
  *           Name:  mpi2_init.h
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_ioc.h b/drivers/scsi/mpt2sas/mpi/mpi2_ioc.h
index 754938422f6..f18f114922b 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_ioc.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_ioc.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000-2009 LSI Corporation.
+ *  Copyright (c) 2000-2010 LSI Corporation.
  *
  *
  *           Name:  mpi2_ioc.h
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_tool.h b/drivers/scsi/mpt2sas/mpi/mpi2_tool.h
index 73fcdbf9263..686b09b8121 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_tool.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_tool.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000-2009 LSI Corporation.
+ *  Copyright (c) 2000-2010 LSI Corporation.
  *
  *
  *           Name:  mpi2_tool.h
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 6c384dac5ec..f980b8822f9 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3,7 +3,7 @@
  * for access to MPT (Message Passing Technology) firmware.
  *
  * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
- * Copyright (C) 2007-2009  LSI Corporation
+ * Copyright (C) 2007-2010  LSI Corporation
  *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  * This program is free software; you can redistribute it and/or
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 9973efd200a..752078d6a5d 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -3,7 +3,7 @@
  * for access to MPT (Message Passing Technology) firmware.
  *
  * This code is based on drivers/scsi/mpt2sas/mpt2_base.h
- * Copyright (C) 2007-2009  LSI Corporation
+ * Copyright (C) 2007-2010  LSI Corporation
  *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  * This program is free software; you can redistribute it and/or
diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c
index 6f713fd5708..e762dd3e2fc 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_config.c
@@ -2,7 +2,7 @@
  * This module provides common API for accessing firmware configuration pages
  *
  * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
- * Copyright (C) 2007-2009  LSI Corporation
+ * Copyright (C) 2007-2010  LSI Corporation
  *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  * This program is free software; you can redistribute it and/or
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index 9860e7edd44..ddaa99cdce8 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -3,7 +3,7 @@
  * controllers
  *
  * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c
- * Copyright (C) 2007-2009  LSI Corporation
+ * Copyright (C) 2007-2010  LSI Corporation
  *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  * This program is free software; you can redistribute it and/or
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h
index 8a5eeb1a5c8..69916e46e04 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.h
@@ -3,7 +3,7 @@
  * controllers
  *
  * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.h
- * Copyright (C) 2007-2009  LSI Corporation
+ * Copyright (C) 2007-2010  LSI Corporation
  *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  * This program is free software; you can redistribute it and/or
diff --git a/drivers/scsi/mpt2sas/mpt2sas_debug.h b/drivers/scsi/mpt2sas/mpt2sas_debug.h
index 5308a25cb30..3dcddfeb6f4 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_debug.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_debug.h
@@ -2,7 +2,7 @@
  * Logging Support for MPT (Message Passing Technology) based controllers
  *
  * This code is based on drivers/scsi/mpt2sas/mpt2_debug.c
- * Copyright (C) 2007-2009  LSI Corporation
+ * Copyright (C) 2007-2010  LSI Corporation
  *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  * This program is free software; you can redistribute it and/or
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 4fdbb0bbfa0..b0d598ec71c 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2,7 +2,7 @@
  * Scsi Host Layer for MPT (Message Passing Technology) based controllers
  *
  * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c
- * Copyright (C) 2007-2009  LSI Corporation
+ * Copyright (C) 2007-2010  LSI Corporation
  *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  * This program is free software; you can redistribute it and/or
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index 9b585f02e80..bb2d2c93718 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -2,7 +2,7 @@
  * SAS Transport Layer for MPT (Message Passing Technology) based controllers
  *
  * This code is based on drivers/scsi/mpt2sas/mpt2_transport.c
- * Copyright (C) 2007-2009  LSI Corporation
+ * Copyright (C) 2007-2010  LSI Corporation
  *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  * This program is free software; you can redistribute it and/or

From 1a7d7eac6f651c00e954023dd2542f0c65ef66b7 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 16:28:34 +0530
Subject: [PATCH 0325/3638] [SCSI] mpt2sas: Bump version 05.100.00.00

Upgraded version string.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 752078d6a5d..2616bb1597b 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -69,11 +69,11 @@
 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
 #define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION		"04.100.01.02"
-#define MPT2SAS_MAJOR_VERSION		04
+#define MPT2SAS_DRIVER_VERSION		"05.100.00.00"
+#define MPT2SAS_MAJOR_VERSION		05
 #define MPT2SAS_MINOR_VERSION		100
-#define MPT2SAS_BUILD_VERSION		01
-#define MPT2SAS_RELEASE_VERSION		02
+#define MPT2SAS_BUILD_VERSION		00
+#define MPT2SAS_RELEASE_VERSION		00
 
 /*
  * Set MPT2SAS_SG_DEPTH value based on user input.

From d0f698c46141e1d179fb3a86a0ae668d2fd12916 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:12:17 +0530
Subject: [PATCH 0326/3638] [SCSI] mptfusion: Added new less expensive RESET
 (Message Unit Reset)

Message Unit Reset - instructs the IOC to reset the Reply Post and
Free FIFO's. All the Message Frames on Reply Free FIFO are
discarded. All posted buffers are freed, and event notification is
turned off.  IOC doesnt reply to any outstanding request. This will
transfer IOC to READY state.  Message unit ready is less expensive
operations than Hard Reset.  soft reset will not force Firmware to
reload again, it only do clean up of Message units.

mpt_Soft_Hard_ResetHandler will first try for Soft Reset,if
it fails then go for big hammer reset which is Hard Reset.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptbase.c  | 170 +++++++++++++++++++++++++++++-
 drivers/message/fusion/mptbase.h  |   1 +
 drivers/message/fusion/mptctl.c   |   2 +-
 drivers/message/fusion/mptsas.c   |   8 +-
 drivers/message/fusion/mptscsih.c |   6 +-
 5 files changed, 177 insertions(+), 10 deletions(-)

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 5382b5a44af..a4f023bd5d2 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -5064,7 +5064,7 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
 		if (!timeleft) {
 			printk(KERN_DEBUG "%s: Issuing Reset from %s!!\n",
 			    ioc->name, __func__);
-			mpt_HardResetHandler(ioc, CAN_SLEEP);
+			mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 			mpt_free_msg_frame(ioc, mf);
 		}
 		goto out;
@@ -6456,7 +6456,7 @@ out:
 		issue_hard_reset = 0;
 		printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
 		    ioc->name, __func__);
-		mpt_HardResetHandler(ioc, CAN_SLEEP);
+		mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 		mpt_free_msg_frame(ioc, mf);
 		/* attempt one retry for a timed out command */
 		if (!retry_count) {
@@ -6904,6 +6904,172 @@ mpt_halt_firmware(MPT_ADAPTER *ioc)
 }
 EXPORT_SYMBOL(mpt_halt_firmware);
 
+/**
+ *	mpt_SoftResetHandler - Issues a less expensive reset
+ *	@ioc: Pointer to MPT_ADAPTER structure
+ *	@sleepFlag: Indicates if sleep or schedule must be called.
+
+ *
+ *	Returns 0 for SUCCESS or -1 if FAILED.
+ *
+ *	Message Unit Reset - instructs the IOC to reset the Reply Post and
+ *	Free FIFO's. All the Message Frames on Reply Free FIFO are discarded.
+ *	All posted buffers are freed, and event notification is turned off.
+ *	IOC doesnt reply to any outstanding request. This will transfer IOC
+ *	to READY state.
+ **/
+int
+mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
+{
+	int		 rc;
+	int		 ii;
+	u8		 cb_idx;
+	unsigned long	 flags;
+	u32		 ioc_state;
+	unsigned long	 time_count;
+
+	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n",
+		ioc->name));
+
+	ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
+
+	if (mpt_fwfault_debug)
+		mpt_halt_firmware(ioc);
+
+	if (ioc_state == MPI_IOC_STATE_FAULT ||
+	    ioc_state == MPI_IOC_STATE_RESET) {
+		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "skipping, either in FAULT or RESET state!\n", ioc->name));
+		return -1;
+	}
+
+	if (ioc->bus_type == FC) {
+		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "skipping, because the bus type is FC!\n", ioc->name));
+		return -1;
+	}
+
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	if (ioc->ioc_reset_in_progress) {
+		spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+		return -1;
+	}
+	ioc->ioc_reset_in_progress = 1;
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+
+	rc = -1;
+
+	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+		if (MptResetHandlers[cb_idx])
+			mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
+	}
+
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	if (ioc->taskmgmt_in_progress) {
+		spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+		return -1;
+	}
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+	/* Disable reply interrupts (also blocks FreeQ) */
+	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
+	ioc->active = 0;
+	time_count = jiffies;
+
+	rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
+
+	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+		if (MptResetHandlers[cb_idx])
+			mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
+	}
+
+	if (rc)
+		goto out;
+
+	ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
+	if (ioc_state != MPI_IOC_STATE_READY)
+		goto out;
+
+	for (ii = 0; ii < 5; ii++) {
+		/* Get IOC facts! Allow 5 retries */
+		rc = GetIocFacts(ioc, sleepFlag,
+			MPT_HOSTEVENT_IOC_RECOVER);
+		if (rc == 0)
+			break;
+		if (sleepFlag == CAN_SLEEP)
+			msleep(100);
+		else
+			mdelay(100);
+	}
+	if (ii == 5)
+		goto out;
+
+	rc = PrimeIocFifos(ioc);
+	if (rc != 0)
+		goto out;
+
+	rc = SendIocInit(ioc, sleepFlag);
+	if (rc != 0)
+		goto out;
+
+	rc = SendEventNotification(ioc, 1, sleepFlag);
+	if (rc != 0)
+		goto out;
+
+	if (ioc->hard_resets < -1)
+		ioc->hard_resets++;
+
+	/*
+	 * At this point, we know soft reset succeeded.
+	 */
+
+	ioc->active = 1;
+	CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
+
+ out:
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	ioc->ioc_reset_in_progress = 0;
+	ioc->taskmgmt_quiesce_io = 0;
+	ioc->taskmgmt_in_progress = 0;
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+
+	if (ioc->active) {	/* otherwise, hard reset coming */
+		for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+			if (MptResetHandlers[cb_idx])
+				mpt_signal_reset(cb_idx, ioc,
+					MPT_IOC_POST_RESET);
+		}
+	}
+
+	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		"SoftResetHandler: completed (%d seconds): %s\n",
+		ioc->name, jiffies_to_msecs(jiffies - time_count)/1000,
+		((rc == 0) ? "SUCCESS" : "FAILED")));
+
+	return rc;
+}
+
+/**
+ *	mpt_Soft_Hard_ResetHandler - Try less expensive reset
+ *	@ioc: Pointer to MPT_ADAPTER structure
+ *	@sleepFlag: Indicates if sleep or schedule must be called.
+
+ *
+ *	Returns 0 for SUCCESS or -1 if FAILED.
+ *	Try for softreset first, only if it fails go for expensive
+ *	HardReset.
+ **/
+int
+mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) {
+	int ret = -1;
+
+	ret = mpt_SoftResetHandler(ioc, sleepFlag);
+	if (ret == 0)
+		return ret;
+	ret = mpt_HardResetHandler(ioc, sleepFlag);
+	return ret;
+}
+EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler);
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  *	Reset Handling
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 9718c8f2e95..e25dbfbb8fd 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -940,6 +940,7 @@ extern int	 mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
 extern u32	 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 extern void	 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
 extern int	 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
+extern int	 mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 extern int	 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
 extern int	 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index 80421d2cf04..e6d71e20fa0 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -311,7 +311,7 @@ mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
 	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n",
 		 ioc->name));
 	CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
-	mpt_HardResetHandler(ioc, CAN_SLEEP);
+	mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 	mpt_free_msg_frame(ioc, mf);
 }
 
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 76687126b57..e5e9bf3487d 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -2041,7 +2041,7 @@ static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
 	if (!timeleft) {
 		/* On timeout reset the board */
 		mpt_free_msg_frame(ioc, mf);
-		mpt_HardResetHandler(ioc, CAN_SLEEP);
+		mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 		error = -ETIMEDOUT;
 		goto out_unlock;
 	}
@@ -2226,7 +2226,7 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
 	if (!timeleft) {
 		printk(MYIOC_s_ERR_FMT "%s: smp timeout!\n", ioc->name, __func__);
 		/* On timeout reset the board */
-		mpt_HardResetHandler(ioc, CAN_SLEEP);
+		mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 		ret = -ETIMEDOUT;
 		goto unmap;
 	}
@@ -2833,7 +2833,7 @@ mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
 		if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
 			goto out_free;
 		if (!timeleft)
-			mpt_HardResetHandler(ioc, CAN_SLEEP);
+			mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 		goto out_free;
 	}
 
@@ -4717,7 +4717,7 @@ mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
 	if (issue_reset) {
 		printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
 		    ioc->name, __func__);
-		mpt_HardResetHandler(ioc, CAN_SLEEP);
+		mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 	}
 	mptsas_free_fw_event(ioc, fw_event);
 }
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 6796597dcee..929d584855d 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1711,7 +1711,7 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
 	if (issue_hard_reset) {
 		printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
 			ioc->name, __func__);
-		retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
+		retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 		mpt_free_msg_frame(ioc, mf);
 	}
 
@@ -1991,7 +1991,7 @@ mptscsih_host_reset(struct scsi_cmnd *SCpnt)
 	/*  If our attempts to reset the host failed, then return a failed
 	 *  status.  The host will be taken off line by the SCSI mid-layer.
 	 */
-    retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
+    retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 	if (retval < 0)
 		status = FAILED;
 	else
@@ -3040,7 +3040,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
 		if (!timeleft) {
 			printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
 			    ioc->name, __func__);
-			mpt_HardResetHandler(ioc, CAN_SLEEP);
+			mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 			mpt_free_msg_frame(ioc, mf);
 		}
 		goto out;

From 7d757f18554070e917f61e7caedf395f940cf853 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:13:10 +0530
Subject: [PATCH 0327/3638] [SCSI] mptfusion: Updated SCSI IO IOCTL error
 handling.

Behavior changes only for IOCTLs that time out.  Current behavior of
Bus Reset remains the same for RAID Passthru Timeouts Current behavior
of Diagnostic reset for any other type of IOCTL remains the same

CHANGE: For IOCTL SCSI IOs that timeout, a Target Reset TM is sent,
instead of Bus Reset. All error handing from that point is the same as
what the driver currently does, which is to say that if the Device
Reset TM fails it escalates do diagnostic reset.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptctl.c | 161 +++++++++++++++++---------------
 1 file changed, 86 insertions(+), 75 deletions(-)

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index e6d71e20fa0..e7fab5de16e 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -128,7 +128,6 @@ static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags
 		struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc);
 static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma,
 		struct buflist *buflist, MPT_ADAPTER *ioc);
-static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function);
 
 /*
  * Reset Handler cleanup function
@@ -275,45 +274,6 @@ mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
 	return 1;
 }
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/* mptctl_timeout_expired
- *
- * Expecting an interrupt, however timed out.
- *
- */
-static void
-mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
-{
-	unsigned long flags;
-
-	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n",
-		ioc->name, __func__));
-
-	if (mpt_fwfault_debug)
-		mpt_halt_firmware(ioc);
-
-	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
-	if (ioc->ioc_reset_in_progress) {
-		spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
-		CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
-		mpt_free_msg_frame(ioc, mf);
-		return;
-	}
-	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
-
-
-	if (!mptctl_bus_reset(ioc, mf->u.hdr.Function))
-		return;
-
-	/* Issue a reset for this device.
-	 * The IOC is not responding.
-	 */
-	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n",
-		 ioc->name));
-	CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
-	mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
-	mpt_free_msg_frame(ioc, mf);
-}
 
 static int
 mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
@@ -343,12 +303,8 @@ mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 	return 0;
 }
 
-/* mptctl_bus_reset
- *
- * Bus reset code.
- *
- */
-static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
+static int
+mptctl_do_taskmgmt(MPT_ADAPTER *ioc, u8 tm_type, u8 bus_id, u8 target_id)
 {
 	MPT_FRAME_HDR	*mf;
 	SCSITaskMgmt_t	*pScsiTm;
@@ -359,13 +315,6 @@ static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
 	unsigned long	 time_count;
 	u16		 iocstatus;
 
-	/* bus reset is only good for SCSI IO, RAID PASSTHRU */
-	if (!(function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
-		function == MPI_FUNCTION_SCSI_IO_REQUEST)) {
-		dtmprintk(ioc, printk(MYIOC_s_WARN_FMT
-			"TaskMgmt, not SCSI_IO!!\n", ioc->name));
-		return -EPERM;
-	}
 
 	mutex_lock(&ioc->taskmgmt_cmds.mutex);
 	if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
@@ -375,15 +324,14 @@ static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
 
 	retval = 0;
 
-	/* Send request
-	 */
 	mf = mpt_get_msg_frame(mptctl_taskmgmt_id, ioc);
 	if (mf == NULL) {
-		dtmprintk(ioc, printk(MYIOC_s_WARN_FMT
-			"TaskMgmt, no msg frames!!\n", ioc->name));
+		dtmprintk(ioc,
+			printk(MYIOC_s_WARN_FMT "TaskMgmt, no msg frames!!\n",
+			ioc->name));
 		mpt_clear_taskmgmt_in_progress_flag(ioc);
 		retval = -ENOMEM;
-		goto mptctl_bus_reset_done;
+		goto tm_done;
 	}
 
 	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
@@ -392,10 +340,13 @@ static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
 	pScsiTm = (SCSITaskMgmt_t *) mf;
 	memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
 	pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
-	pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS;
-	pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
-	pScsiTm->TargetID = 0;
-	pScsiTm->Bus = 0;
+	pScsiTm->TaskType = tm_type;
+	if ((tm_type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) &&
+		(ioc->bus_type == FC))
+		pScsiTm->MsgFlags =
+				MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
+	pScsiTm->TargetID = target_id;
+	pScsiTm->Bus = bus_id;
 	pScsiTm->ChainOffset = 0;
 	pScsiTm->Reserved = 0;
 	pScsiTm->Reserved1 = 0;
@@ -413,17 +364,16 @@ static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
 		timeout = 30;
 		break;
 	case SPI:
-	default:
-		timeout = 2;
+		default:
+		timeout = 10;
 		break;
 	}
 
-	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-		"TaskMgmt type=%d timeout=%ld\n",
-		ioc->name, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, timeout));
+	dtmprintk(ioc,
+		printk(MYIOC_s_DEBUG_FMT "TaskMgmt type=%d timeout=%ld\n",
+		ioc->name, tm_type, timeout));
 
 	INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
-	CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
 	time_count = jiffies;
 	if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
 	    (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
@@ -432,17 +382,20 @@ static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
 		retval = mpt_send_handshake_request(mptctl_taskmgmt_id, ioc,
 		    sizeof(SCSITaskMgmt_t), (u32 *)pScsiTm, CAN_SLEEP);
 		if (retval != 0) {
-			dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+			dfailprintk(ioc,
+				printk(MYIOC_s_ERR_FMT
 				"TaskMgmt send_handshake FAILED!"
 				" (ioc %p, mf %p, rc=%d) \n", ioc->name,
 				ioc, mf, retval));
+			mpt_free_msg_frame(ioc, mf);
 			mpt_clear_taskmgmt_in_progress_flag(ioc);
-			goto mptctl_bus_reset_done;
+			goto tm_done;
 		}
 	}
 
 	/* Now wait for the command to complete */
 	ii = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, timeout*HZ);
+
 	if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
 		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 		    "TaskMgmt failed\n", ioc->name));
@@ -452,14 +405,14 @@ static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
 			retval = 0;
 		else
 			retval = -1; /* return failure */
-		goto mptctl_bus_reset_done;
+		goto tm_done;
 	}
 
 	if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
 		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 		    "TaskMgmt failed\n", ioc->name));
 		retval = -1; /* return failure */
-		goto mptctl_bus_reset_done;
+		goto tm_done;
 	}
 
 	pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
@@ -467,7 +420,7 @@ static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
 	    "TaskMgmt fw_channel = %d, fw_id = %d, task_type=0x%02X, "
 	    "iocstatus=0x%04X\n\tloginfo=0x%08X, response_code=0x%02X, "
 	    "term_cmnds=%d\n", ioc->name, pScsiTmReply->Bus,
-	    pScsiTmReply->TargetID, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
+	    pScsiTmReply->TargetID, tm_type,
 	    le16_to_cpu(pScsiTmReply->IOCStatus),
 	    le32_to_cpu(pScsiTmReply->IOCLogInfo),
 	    pScsiTmReply->ResponseCode,
@@ -485,13 +438,71 @@ static int mptctl_bus_reset(MPT_ADAPTER *ioc, u8 function)
 		retval = -1; /* return failure */
 	}
 
-
- mptctl_bus_reset_done:
+ tm_done:
 	mutex_unlock(&ioc->taskmgmt_cmds.mutex);
 	CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
 	return retval;
 }
 
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* mptctl_timeout_expired
+ *
+ * Expecting an interrupt, however timed out.
+ *
+ */
+static void
+mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
+{
+	unsigned long flags;
+	int ret_val = -1;
+	SCSIIORequest_t *scsi_req = (SCSIIORequest_t *) mf;
+	u8 function = mf->u.hdr.Function;
+
+	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n",
+		ioc->name, __func__));
+
+	if (mpt_fwfault_debug)
+		mpt_halt_firmware(ioc);
+
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	if (ioc->ioc_reset_in_progress) {
+		spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+		CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
+		mpt_free_msg_frame(ioc, mf);
+		return;
+	}
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+
+
+	CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
+
+	if (ioc->bus_type == SAS) {
+		if (function == MPI_FUNCTION_SCSI_IO_REQUEST)
+			ret_val = mptctl_do_taskmgmt(ioc,
+				MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
+				scsi_req->Bus, scsi_req->TargetID);
+		else if (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
+			ret_val = mptctl_do_taskmgmt(ioc,
+				MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
+				scsi_req->Bus, 0);
+		if (!ret_val)
+			return;
+	} else {
+		if ((function == MPI_FUNCTION_SCSI_IO_REQUEST) ||
+			(function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH))
+			ret_val = mptctl_do_taskmgmt(ioc,
+				MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
+				scsi_req->Bus, 0);
+		if (!ret_val)
+			return;
+	}
+
+	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling Reset! \n",
+		 ioc->name));
+	mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
+	mpt_free_msg_frame(ioc, mf);
+}
+
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /* mptctl_ioc_reset

From b3b97316d5861b1708cd7ef2df9989d12d97acb9 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:14:51 +0530
Subject: [PATCH 0328/3638] [SCSI] mptfusion: mpt config will do Hard Reset
 based upon retry counts

mpt_config would only attempt a MUR before retrying the command. The
driver will now retry a second time with a hard reset before leaving
the function.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptbase.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index a4f023bd5d2..a6a57011ba6 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -6456,10 +6456,15 @@ out:
 		issue_hard_reset = 0;
 		printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
 		    ioc->name, __func__);
-		mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
+		if (retry_count == 0) {
+			if (mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP) != 0)
+				retry_count++;
+		} else
+			mpt_HardResetHandler(ioc, CAN_SLEEP);
+
 		mpt_free_msg_frame(ioc, mf);
 		/* attempt one retry for a timed out command */
-		if (!retry_count) {
+		if (retry_count < 2) {
 			printk(MYIOC_s_INFO_FMT
 			    "Attempting Retry Config request"
 			    " type 0x%x, page 0x%x,"

From 48959f1eae3068fefb3de05cdc0c2bd8f0f96c37 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:18:30 +0530
Subject: [PATCH 0329/3638] [SCSI] mptfusion: mpt_detach is called properly at
 the time of rmmod

Current design of mptsas is as follow.
MPTSAS will do probe() if pci id matches for available card in
system, irrespective of mode of controller. If controller is I/T mode
or I mode, things are fine. If controller is only in T mode, mptsas is
not doing complete process of mptsas_probe(). It will only make
sure IOC structure is created and IOC reference is available for
mptstm driver. Now While removing module we should take care
case of Target mode only mptsas. If we are removing IOC which is
only in Target mode, We should only detach IOC instead of
following rest of the cleanup process which is only required for T
mode controller. Now For T mode controller, only part clean up is
done instead of complete cleanup. mpt_detach will call early in case
of Target mode only controller.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptsas.c   | 6 ++++++
 drivers/message/fusion/mptscsih.c | 5 -----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index e5e9bf3487d..674461fb6a3 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -5073,6 +5073,12 @@ static void __devexit mptsas_remove(struct pci_dev *pdev)
 	struct mptsas_portinfo *p, *n;
 	int i;
 
+	if (!ioc->sh) {
+		printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
+		mpt_detach(pdev);
+		return;
+	}
+
 	mptsas_shutdown(pdev);
 
 	mptsas_del_device_components(ioc);
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 929d584855d..b966678e441 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1149,11 +1149,6 @@ mptscsih_remove(struct pci_dev *pdev)
 	MPT_SCSI_HOST		*hd;
 	int sz1;
 
-	if(!host) {
-		mpt_detach(pdev);
-		return;
-	}
-
 	scsi_remove_host(host);
 
 	if((hd = shost_priv(host)) == NULL)

From ffb7fef32b98fff773a5a6882ae4f8aee65a7708 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:20:38 +0530
Subject: [PATCH 0330/3638] [SCSI] mptfusion: Proper bus_type check is added

Added proper bus_type check before processing event/ reset handler.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptfc.c  | 5 ++++-
 drivers/message/fusion/mptsas.c | 3 +++
 drivers/message/fusion/mptspi.c | 5 +++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 33f7256055b..8b3ff2d43fb 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -1358,6 +1358,9 @@ mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 	unsigned long flags;
 	int rc=1;
 
+	if (ioc->bus_type != FC)
+		return 0;
+
 	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
 			ioc->name, event));
 
@@ -1396,7 +1399,7 @@ mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 	unsigned long	flags;
 
 	rc = mptscsih_ioc_reset(ioc,reset_phase);
-	if (rc == 0)
+	if ((ioc->bus_type != FC) || (!rc))
 		return rc;
 
 
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 674461fb6a3..7f217445cd9 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -4779,6 +4779,9 @@ mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
 	struct fw_event_work *fw_event;
 	unsigned long delay;
 
+	if (ioc->bus_type != SAS)
+		return 0;
+
 	/* events turned off due to host reset or driver unloading */
 	if (ioc->fw_events_off)
 		return 0;
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index e44365193fd..8820591a693 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -1152,6 +1152,9 @@ mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 	u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
 	struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
 
+	if (ioc->bus_type != SPI)
+		return 0;
+
 	if (hd && event ==  MPI_EVENT_INTEGRATED_RAID) {
 		int reason
 			= (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16;
@@ -1283,6 +1286,8 @@ mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 	int rc;
 
 	rc = mptscsih_ioc_reset(ioc, reset_phase);
+	if ((ioc->bus_type != SPI) || (!rc))
+		return rc;
 
 	/* only try to do a renegotiation if we're properly set up
 	 * if we get an ioc fault on bringup, ioc->sh will be NULL */

From f8c23bde85091b696e72d00bc6aa16216a9862f7 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:21:34 +0530
Subject: [PATCH 0331/3638] [SCSI] mptfusion: Setting period,offset and width
 for SPI driver

Set factor, offset and width while target negotiation.

Added config timeout 60 seconds. It was missing for only
mptspi_read_spi_device_pg0

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptspi.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 8820591a693..1abaa5d01ae 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -210,6 +210,10 @@ mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
 	target->maxOffset = offset;
 	target->maxWidth = width;
 
+	spi_min_period(scsi_target(sdev)) = factor;
+	spi_max_offset(scsi_target(sdev)) = offset;
+	spi_max_width(scsi_target(sdev)) = width;
+
 	target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;
 
 	/* Disable unused features.
@@ -558,6 +562,7 @@ static int mptspi_read_spi_device_pg0(struct scsi_target *starget,
 	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 	cfg.dir = 0;
 	cfg.pageAddr = starget->id;
+	cfg.timeout = 60;
 
 	if (mpt_config(ioc, &cfg)) {
 		starget_printk(KERN_ERR, starget, MYIOC_s_FMT "mpt_config failed\n", ioc->name);

From 08f5c5c23d52aa385ff304becffb0e0c37cedfe5 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:22:45 +0530
Subject: [PATCH 0332/3638] [SCSI] mptfusion: sanity check for vdevice pointer
 is added

Added sanity checks before accessing vdevice and added vdevice->deleted
setting for mptfc.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptctl.c   |  7 +++++++
 drivers/message/fusion/mptfc.c    | 17 +++++++++++++++++
 drivers/message/fusion/mptscsih.c |  2 ++
 3 files changed, 26 insertions(+)

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index e7fab5de16e..f06b29193b4 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -1329,6 +1329,8 @@ mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
 	if (ioc->sh) {
 		shost_for_each_device(sdev, ioc->sh) {
 			vdevice = sdev->hostdata;
+			if (vdevice == NULL || vdevice->vtarget == NULL)
+				continue;
 			if (vdevice->vtarget->tflags &
 			    MPT_TARGET_FLAGS_RAID_COMPONENT)
 				continue;
@@ -1450,6 +1452,8 @@ mptctl_gettargetinfo (unsigned long arg)
 			if (!maxWordsLeft)
 				continue;
 			vdevice = sdev->hostdata;
+			if (vdevice == NULL || vdevice->vtarget == NULL)
+				continue;
 			if (vdevice->vtarget->tflags &
 			    MPT_TARGET_FLAGS_RAID_COMPONENT)
 				continue;
@@ -1978,6 +1982,9 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
 				struct scsi_target *starget = scsi_target(sdev);
 				VirtTarget *vtarget = starget->hostdata;
 
+				if (vtarget == NULL)
+					continue;
+
 				if ((pScsiReq->TargetID == vtarget->id) &&
 				    (pScsiReq->Bus == vtarget->channel) &&
 				    (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 8b3ff2d43fb..b5f03ad8156 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -482,6 +482,7 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
 				if (vtarget) {
 					vtarget->id = pg0->CurrentTargetID;
 					vtarget->channel = pg0->CurrentBus;
+					vtarget->deleted = 0;
 				}
 			}
 			*((struct mptfc_rport_info **)rport->dd_data) = ri;
@@ -1092,6 +1093,8 @@ mptfc_setup_reset(struct work_struct *work)
 		container_of(work, MPT_ADAPTER, fc_setup_reset_work);
 	u64			pn;
 	struct mptfc_rport_info *ri;
+	struct scsi_target      *starget;
+	VirtTarget              *vtarget;
 
 	/* reset about to happen, delete (block) all rports */
 	list_for_each_entry(ri, &ioc->fc_rports, list) {
@@ -1099,6 +1102,12 @@ mptfc_setup_reset(struct work_struct *work)
 			ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
 			fc_remote_port_delete(ri->rport);	/* won't sleep */
 			ri->rport = NULL;
+			starget = ri->starget;
+			if (starget) {
+				vtarget = starget->hostdata;
+				if (vtarget)
+					vtarget->deleted = 1;
+			}
 
 			pn = (u64)ri->pg0.WWPN.High << 32 |
 			     (u64)ri->pg0.WWPN.Low;
@@ -1119,6 +1128,8 @@ mptfc_rescan_devices(struct work_struct *work)
 	int			ii;
 	u64			pn;
 	struct mptfc_rport_info *ri;
+	struct scsi_target      *starget;
+	VirtTarget              *vtarget;
 
 	/* start by tagging all ports as missing */
 	list_for_each_entry(ri, &ioc->fc_rports, list) {
@@ -1146,6 +1157,12 @@ mptfc_rescan_devices(struct work_struct *work)
 				       MPT_RPORT_INFO_FLAGS_MISSING);
 			fc_remote_port_delete(ri->rport);	/* won't sleep */
 			ri->rport = NULL;
+			starget = ri->starget;
+			if (starget) {
+				vtarget = starget->hostdata;
+				if (vtarget)
+					vtarget->deleted = 1;
+			}
 
 			pn = (u64)ri->pg0.WWPN.High << 32 |
 			     (u64)ri->pg0.WWPN.Low;
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index b966678e441..90a1dff7eb8 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -2339,6 +2339,8 @@ mptscsih_slave_destroy(struct scsi_device *sdev)
 	starget = scsi_target(sdev);
 	vtarget = starget->hostdata;
 	vdevice = sdev->hostdata;
+	if (!vdevice)
+		return;
 
 	mptscsih_search_running_cmds(hd, vdevice);
 	vtarget->num_luns--;

From 69b2e9b4431798645e3d8fb51413db97c9845db1 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:23:19 +0530
Subject: [PATCH 0333/3638] [SCSI] mptfusion: Task abort is not supported for
 Volumes

1) corrected return value as SUCCESS instead of 0.
2) Added check in mptscsih_abort.
mptfusion do not support task abort for Volumes.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptscsih.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 90a1dff7eb8..7bd4c0fc23c 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1723,6 +1723,7 @@ mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
 	case FC:
 		return 40;
 	case SAS:
+		return 30;
 	case SPI:
 	default:
 		return 10;
@@ -1772,7 +1773,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 		    ioc->name, SCpnt));
 		SCpnt->result = DID_NO_CONNECT << 16;
 		SCpnt->scsi_done(SCpnt);
-		retval = 0;
+		retval = SUCCESS;
 		goto out;
 	}
 
@@ -1787,6 +1788,17 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 		goto out;
 	}
 
+	/* Task aborts are not supported for volumes.
+	 */
+	if (vdevice->vtarget->raidVolume) {
+		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "task abort: raid volume (sc=%p)\n",
+		    ioc->name, SCpnt));
+		SCpnt->result = DID_RESET << 16;
+		retval = FAILED;
+		goto out;
+	}
+
 	/* Find this command
 	 */
 	if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {

From 568da76929392c9feb60a25383250dd6cfa68e05 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:23:50 +0530
Subject: [PATCH 0334/3638] [SCSI] mptfusion: Check for command status is added
 after completion.

1) Corrected name string as "MPT SAS HOST"
2) Added proper check conditions for MPT_MGMT_STATUS_COMMAND_GOOD.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptsas.c | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 7f217445cd9..77f21e068da 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1894,7 +1894,7 @@ static struct scsi_host_template mptsas_driver_template = {
 	.module				= THIS_MODULE,
 	.proc_name			= "mptsas",
 	.proc_info			= mptscsih_proc_info,
-	.name				= "MPT SPI Host",
+	.name				= "MPT SAS Host",
 	.info				= mptscsih_info,
 	.queuecommand			= mptsas_qcmd,
 	.target_alloc			= mptsas_target_alloc,
@@ -2038,11 +2038,13 @@ static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
 
 	timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
 			10 * HZ);
-	if (!timeleft) {
-		/* On timeout reset the board */
+	if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
+		error = -ETIME;
 		mpt_free_msg_frame(ioc, mf);
-		mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
-		error = -ETIMEDOUT;
+		if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
+			goto out_unlock;
+		if (!timeleft)
+			mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 		goto out_unlock;
 	}
 
@@ -2223,11 +2225,14 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
 	mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
 
 	timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
-	if (!timeleft) {
-		printk(MYIOC_s_ERR_FMT "%s: smp timeout!\n", ioc->name, __func__);
-		/* On timeout reset the board */
-		mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
-		ret = -ETIMEDOUT;
+	if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
+		ret = -ETIME;
+		mpt_free_msg_frame(ioc, mf);
+		mf = NULL;
+		if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
+			goto unmap;
+		if (!timeleft)
+			mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
 		goto unmap;
 	}
 	mf = NULL;
@@ -4098,6 +4103,7 @@ mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
 	cfg.pageAddr = (channel << 8) + id;
 	cfg.cfghdr.hdr = &hdr;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	if (mpt_config(ioc, &cfg) != 0)
 		goto out;

From f18a8927f6779f5dc9dc4327522c8a12f2cf31b9 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:24:20 +0530
Subject: [PATCH 0335/3638] [SCSI] mptfusion: Event data alignment with 4 byte.

event_data needs to be 4 byte aligned to makes sure there is no unaligned
memory access take place.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptsas.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/message/fusion/mptsas.h b/drivers/message/fusion/mptsas.h
index 953c2bfcf6a..7b249edbda7 100644
--- a/drivers/message/fusion/mptsas.h
+++ b/drivers/message/fusion/mptsas.h
@@ -110,7 +110,7 @@ struct fw_event_work {
 	MPT_ADAPTER	*ioc;
 	u32			event;
 	u8			retries;
-	u8			event_data[1];
+	u8			__attribute__((aligned(4))) event_data[1];
 };
 
 struct mptsas_discovery_event {

From 0cf0f23c286459625eb5cbf9934135ff3156ce95 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:24:57 +0530
Subject: [PATCH 0336/3638] [SCSI] mptfusion: Proper error handling is added
 after mpt_config timeout

Added proper error handling after mpt_config.
Now check of MPI_IOCSTATUS_CONFIG_INVALID_PAGE is added.
If error is MPI_IOCSTATUS_CONFIG_INVALID_PAGE, driver will return -ENODEV.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptsas.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 77f21e068da..ac000e83db0 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -2523,6 +2523,12 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
 	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 
 	error = mpt_config(ioc, &cfg);
+
+	if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
+		error = -ENODEV;
+		goto out_free_consistent;
+	}
+
 	if (error)
 		goto out_free_consistent;
 
@@ -2599,14 +2605,14 @@ mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
 	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 
 	error = mpt_config(ioc, &cfg);
-	if (error)
-		goto out_free_consistent;
-
-	if (!buffer->NumPhys) {
+	if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
 		error = -ENODEV;
 		goto out_free_consistent;
 	}
 
+	if (error)
+		goto out_free_consistent;
+
 	/* save config data */
 	port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
 	port_info->phy_info = kcalloc(port_info->num_phys,
@@ -2682,7 +2688,7 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
 
 	if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
 		error = -ENODEV;
-		goto out;
+		goto out_free_consistent;
 	}
 
 	if (error)

From 4f581b97314a2da96fa4d611ebfb586b2828b027 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 18 Mar 2010 19:26:02 +0530
Subject: [PATCH 0337/3638] [SCSI] mptfusion: Bump version 03.04.15

Upgrade version from 3.04.14 to 3.04.15

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/message/fusion/mptbase.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index e25dbfbb8fd..b613eb3d470 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -76,8 +76,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2008 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.04.14"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.14"
+#define MPT_LINUX_VERSION_COMMON	"3.04.15"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.15"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \

From 1821438a9b6a8454281ec2e151014709f641d2d5 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 18 Mar 2010 15:41:11 -0400
Subject: [PATCH 0338/3638] [SCSI] don't reap targets upon device_add failure

This patch (as1358) fixes a bug in the error pathway of
scsi_target_add().  If registration fails, the target should not be
reaped.  The reaping occurs later, when scanning is finished and all
the child devices are removed.  The current code leaves an unbalanced
value in starget->reap_ref.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_sysfs.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 429c9b73e3e..838a0db8ea1 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -853,9 +853,6 @@ static int scsi_target_add(struct scsi_target *starget)
 	error = device_add(&starget->dev);
 	if (error) {
 		dev_err(&starget->dev, "target device_add failed, error %d\n", error);
-		get_device(&starget->dev);
-		scsi_target_reap(starget);
-		put_device(&starget->dev);
 		return error;
 	}
 	transport_add_device(&starget->dev);

From 12fb8c1574d7d0c262d2f4c667047889c4f27ebe Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 18 Mar 2010 15:41:22 -0400
Subject: [PATCH 0339/3638] [SCSI] don't kfree an initialized struct device

This patch (as1359) fixes a bug in scsi_alloc_target().  After a
device structure has been initialized (and especially after its name
has been set), it must not be freed directly.  One has to call
put_device() instead.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_scan.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 38518b08807..c992ecf4e37 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -459,8 +459,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
 	found_target->reap_ref++;
 	spin_unlock_irqrestore(shost->host_lock, flags);
 	if (found_target->state != STARGET_DEL) {
-		put_device(parent);
-		kfree(starget);
+		put_device(dev);
 		return found_target;
 	}
 	/* Unfortunately, we found a dying target; need to

From b504293fe9dc42917a919044f2b672fb361329d0 Mon Sep 17 00:00:00 2001
From: Jing Huang <huangj@brocade.com>
Date: Fri, 19 Mar 2010 11:05:39 -0700
Subject: [PATCH 0340/3638] [SCSI] bfa: add fc transport class based vport
 create/delete

Use duplicate fc transport template for physical and vitual port. Add
vport create/delete/disalbe functions in the transport template of physical
port. Changes to make the vport create/delete function to work under this
framework.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bfa/bfad.c      |  10 +-
 drivers/scsi/bfa/bfad_attr.c | 201 +++++++++++++++++++++++++++++++++++
 drivers/scsi/bfa/bfad_drv.h  |   2 +-
 drivers/scsi/bfa/bfad_im.c   |  53 ++++-----
 drivers/scsi/bfa/bfad_im.h   |   6 +-
 5 files changed, 239 insertions(+), 33 deletions(-)

diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index 13f5feb308c..3a5163d3675 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -299,8 +299,6 @@ bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv)
 		complete(vport_drv->comp_del);
 		return;
 	}
-
-	kfree(vport_drv);
 }
 
 /**
@@ -483,7 +481,7 @@ ext:
  */
 bfa_status_t
 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
-		  struct bfa_port_cfg_s *port_cfg)
+		  struct bfa_port_cfg_s *port_cfg, struct device *dev)
 {
 	struct bfad_vport_s *vport;
 	int             rc = BFA_STATUS_OK;
@@ -506,7 +504,8 @@ bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
 		goto ext_free_vport;
 
 	if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) {
-		rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port);
+		rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
+							dev);
 		if (rc != BFA_STATUS_OK)
 			goto ext_free_fcs_vport;
 	}
@@ -848,7 +847,8 @@ bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role)
 			goto out;
 		}
 
-		rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port);
+		rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
+						&bfad->pcidev->dev);
 		if (rc != BFA_STATUS_OK)
 			goto out;
 
diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
index 6a2efdd5ef2..e477bfbfa7d 100644
--- a/drivers/scsi/bfa/bfad_attr.c
+++ b/drivers/scsi/bfa/bfad_attr.c
@@ -364,6 +364,152 @@ bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
 
 }
 
+static int
+bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
+{
+	char *vname = fc_vport->symbolic_name;
+	struct Scsi_Host *shost = fc_vport->shost;
+	struct bfad_im_port_s *im_port =
+		(struct bfad_im_port_s *) shost->hostdata[0];
+	struct bfad_s *bfad = im_port->bfad;
+	struct bfa_port_cfg_s port_cfg;
+	int status = 0, rc;
+	unsigned long flags;
+
+	memset(&port_cfg, 0, sizeof(port_cfg));
+
+	port_cfg.pwwn = wwn_to_u64((u8 *) &fc_vport->port_name);
+	port_cfg.nwwn = wwn_to_u64((u8 *) &fc_vport->node_name);
+
+	if (strlen(vname) > 0)
+		strcpy((char *)&port_cfg.sym_name, vname);
+
+	port_cfg.roles = BFA_PORT_ROLE_FCP_IM;
+	rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
+
+	if (rc == BFA_STATUS_OK) {
+		struct bfad_vport_s   *vport;
+		struct bfa_fcs_vport_s *fcs_vport;
+		struct Scsi_Host *vshost;
+
+		spin_lock_irqsave(&bfad->bfad_lock, flags);
+		fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
+					port_cfg.pwwn);
+		if (fcs_vport == NULL) {
+			spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+			return VPCERR_BAD_WWN;
+		}
+
+		fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
+		if (disable) {
+			bfa_fcs_vport_stop(fcs_vport);
+			fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
+		}
+		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+		vport = fcs_vport->vport_drv;
+		vshost = vport->drv_port.im_port->shost;
+		fc_host_node_name(vshost) = wwn_to_u64((u8 *) &port_cfg.nwwn);
+		fc_host_port_name(vshost) = wwn_to_u64((u8 *) &port_cfg.pwwn);
+		fc_vport->dd_data = vport;
+		vport->drv_port.im_port->fc_vport = fc_vport;
+
+	} else if (rc == BFA_STATUS_INVALID_WWN)
+		return VPCERR_BAD_WWN;
+	else if (rc == BFA_STATUS_VPORT_EXISTS)
+		return VPCERR_BAD_WWN;
+	else if (rc == BFA_STATUS_VPORT_MAX)
+		return VPCERR_NO_FABRIC_SUPP;
+	else if (rc == BFA_STATUS_VPORT_WWN_BP)
+		return VPCERR_BAD_WWN;
+	 else
+		return FC_VPORT_FAILED;
+
+	return status;
+}
+
+static int
+bfad_im_vport_delete(struct fc_vport *fc_vport)
+{
+	struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
+	struct bfad_im_port_s *im_port =
+			(struct bfad_im_port_s *) vport->drv_port.im_port;
+	struct bfad_s *bfad = im_port->bfad;
+	struct bfad_port_s *port;
+	struct bfa_fcs_vport_s *fcs_vport;
+	struct Scsi_Host *vshost;
+	wwn_t   pwwn;
+	int rc;
+	unsigned long flags;
+	struct completion fcomp;
+
+	if (im_port->flags & BFAD_PORT_DELETE)
+		goto free_scsi_host;
+
+	port = im_port->port;
+
+	vshost = vport->drv_port.im_port->shost;
+	pwwn = wwn_to_u64((u8 *) &fc_host_port_name(vshost));
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	if (fcs_vport == NULL)
+		return VPCERR_BAD_WWN;
+
+	vport->drv_port.flags |= BFAD_PORT_DELETE;
+
+	vport->comp_del = &fcomp;
+	init_completion(vport->comp_del);
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	rc = bfa_fcs_vport_delete(&vport->fcs_vport);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	wait_for_completion(vport->comp_del);
+
+free_scsi_host:
+	bfad_os_scsi_host_free(bfad, im_port);
+
+	kfree(vport);
+
+	return 0;
+}
+
+static int
+bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
+{
+	struct bfad_vport_s *vport;
+	struct bfad_s *bfad;
+	struct bfa_fcs_vport_s *fcs_vport;
+	struct Scsi_Host *vshost;
+	wwn_t   pwwn;
+	unsigned long flags;
+
+	vport = (struct bfad_vport_s *)fc_vport->dd_data;
+	bfad = vport->drv_port.bfad;
+	vshost = vport->drv_port.im_port->shost;
+	pwwn = wwn_to_u64((u8 *) &fc_vport->port_name);
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	if (fcs_vport == NULL)
+		return VPCERR_BAD_WWN;
+
+	if (disable) {
+		bfa_fcs_vport_stop(fcs_vport);
+		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
+	} else {
+		bfa_fcs_vport_start(fcs_vport);
+		fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
+	}
+
+	return 0;
+}
+
 struct fc_function_template bfad_im_fc_function_template = {
 
 	/* Target dynamic attributes */
@@ -413,6 +559,61 @@ struct fc_function_template bfad_im_fc_function_template = {
 	.show_rport_dev_loss_tmo = 1,
 	.get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
 	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
+
+	.vport_create = bfad_im_vport_create,
+	.vport_delete = bfad_im_vport_delete,
+	.vport_disable = bfad_im_vport_disable,
+};
+
+struct fc_function_template bfad_im_vport_fc_function_template = {
+
+	/* Target dynamic attributes */
+	.get_starget_port_id = bfad_im_get_starget_port_id,
+	.show_starget_port_id = 1,
+	.get_starget_node_name = bfad_im_get_starget_node_name,
+	.show_starget_node_name = 1,
+	.get_starget_port_name = bfad_im_get_starget_port_name,
+	.show_starget_port_name = 1,
+
+	/* Host dynamic attribute */
+	.get_host_port_id = bfad_im_get_host_port_id,
+	.show_host_port_id = 1,
+
+	/* Host fixed attributes */
+	.show_host_node_name = 1,
+	.show_host_port_name = 1,
+	.show_host_supported_classes = 1,
+	.show_host_supported_fc4s = 1,
+	.show_host_supported_speeds = 1,
+	.show_host_maxframe_size = 1,
+
+	/* More host dynamic attributes */
+	.show_host_port_type = 1,
+	.get_host_port_type = bfad_im_get_host_port_type,
+	.show_host_port_state = 1,
+	.get_host_port_state = bfad_im_get_host_port_state,
+	.show_host_active_fc4s = 1,
+	.get_host_active_fc4s = bfad_im_get_host_active_fc4s,
+	.show_host_speed = 1,
+	.get_host_speed = bfad_im_get_host_speed,
+	.show_host_fabric_name = 1,
+	.get_host_fabric_name = bfad_im_get_host_fabric_name,
+
+	.show_host_symbolic_name = 1,
+
+	/* Statistics */
+	.get_fc_host_stats = bfad_im_get_stats,
+	.reset_fc_host_stats = bfad_im_reset_stats,
+
+	/* Allocation length for host specific data */
+	.dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
+
+	/* Remote port fixed attributes */
+	.show_rport_maxframe_size = 1,
+	.show_rport_supported_classes = 1,
+	.show_rport_dev_loss_tmo = 1,
+	.get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
+	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
 };
 
 /**
diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
index 107848cd3b6..f4b14396c4a 100644
--- a/drivers/scsi/bfa/bfad_drv.h
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -254,7 +254,7 @@ do {                                            	\
 
 
 bfa_status_t    bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
-				  struct bfa_port_cfg_s *port_cfg);
+			  struct bfa_port_cfg_s *port_cfg, struct device *dev);
 bfa_status_t    bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
 			       struct bfa_port_cfg_s *port_cfg);
 bfa_status_t    bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role);
diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index e2c70de2dba..f263891b8cc 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -30,6 +30,7 @@ BFA_TRC_FILE(LDRV, IM);
 
 DEFINE_IDR(bfad_im_port_index);
 struct scsi_transport_template *bfad_im_scsi_transport_template;
+struct scsi_transport_template *bfad_im_scsi_vport_transport_template;
 static void bfad_im_itnim_work_handler(struct work_struct *work);
 static int bfad_im_queuecommand(struct scsi_cmnd *cmnd,
 		void (*done)(struct scsi_cmnd *));
@@ -512,7 +513,8 @@ void bfa_fcb_itnim_tov(struct bfad_itnim_s *itnim)
  * Allocate a Scsi_Host for a port.
  */
 int
-bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
+bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port,
+				struct device *dev)
 {
 	int error = 1;
 
@@ -541,12 +543,15 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
 	im_port->shost->max_lun = MAX_FCP_LUN;
 	im_port->shost->max_cmd_len = 16;
 	im_port->shost->can_queue = bfad->cfg_data.ioc_queue_depth;
-	im_port->shost->transportt = bfad_im_scsi_transport_template;
+	if (im_port->port->pvb_type == BFAD_PORT_PHYS_BASE)
+		im_port->shost->transportt = bfad_im_scsi_transport_template;
+	else
+		im_port->shost->transportt =
+				bfad_im_scsi_vport_transport_template;
 
-	error = bfad_os_scsi_add_host(im_port->shost, im_port, bfad);
+	error = scsi_add_host(im_port->shost, dev);
 	if (error) {
-		printk(KERN_WARNING "bfad_os_scsi_add_host failure %d\n",
-							error);
+		printk(KERN_WARNING "scsi_add_host failure %d\n", error);
 		goto out_fc_rel;
 	}
 
@@ -588,9 +593,11 @@ bfad_im_port_delete_handler(struct work_struct *work)
 	struct bfad_im_port_s *im_port =
 		container_of(work, struct bfad_im_port_s, port_delete_work);
 
-	bfad_im_scsi_host_free(im_port->bfad, im_port);
-	bfad_im_port_clean(im_port);
-	kfree(im_port);
+	if (im_port->port->pvb_type != BFAD_PORT_PHYS_BASE) {
+		im_port->flags |= BFAD_PORT_DELETE;
+		fc_vport_terminate(im_port->fc_vport);
+	}
+
 }
 
 bfa_status_t
@@ -689,23 +696,6 @@ bfad_im_probe_undo(struct bfad_s *bfad)
 	}
 }
 
-
-
-
-int
-bfad_os_scsi_add_host(struct Scsi_Host *shost, struct bfad_im_port_s *im_port,
-			struct bfad_s *bfad)
-{
-    struct device *dev;
-
-    if (im_port->port->pvb_type == BFAD_PORT_PHYS_BASE)
-		dev = &bfad->pcidev->dev;
-    else
-		dev = &bfad->pport.im_port->shost->shost_gendev;
-
-    return scsi_add_host(shost, dev);
-}
-
 struct Scsi_Host *
 bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, struct bfad_s *bfad)
 {
@@ -724,7 +714,8 @@ bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, struct bfad_s *bfad)
 void
 bfad_os_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
 {
-	flush_workqueue(bfad->im->drv_workq);
+	if (!(im_port->flags & BFAD_PORT_DELETE))
+		flush_workqueue(bfad->im->drv_workq);
 	bfad_im_scsi_host_free(im_port->bfad, im_port);
 	bfad_im_port_clean(im_port);
 	kfree(im_port);
@@ -829,6 +820,13 @@ bfad_im_module_init(void)
 	if (!bfad_im_scsi_transport_template)
 		return BFA_STATUS_ENOMEM;
 
+	bfad_im_scsi_vport_transport_template =
+		fc_attach_transport(&bfad_im_vport_fc_function_template);
+	if (!bfad_im_scsi_vport_transport_template) {
+		fc_release_transport(bfad_im_scsi_transport_template);
+		return BFA_STATUS_ENOMEM;
+	}
+
 	return BFA_STATUS_OK;
 }
 
@@ -837,6 +835,8 @@ bfad_im_module_exit(void)
 {
 	if (bfad_im_scsi_transport_template)
 		fc_release_transport(bfad_im_scsi_transport_template);
+	if (bfad_im_scsi_vport_transport_template)
+		fc_release_transport(bfad_im_scsi_vport_transport_template);
 }
 
 void
@@ -937,6 +937,7 @@ bfad_os_fc_host_init(struct bfad_im_port_s *im_port)
 		bfa_os_htonll((bfa_fcs_port_get_nwwn(port->fcs_port)));
 	fc_host_port_name(host) =
 		bfa_os_htonll((bfa_fcs_port_get_pwwn(port->fcs_port)));
+	fc_host_max_npiv_vports(host) = bfa_lps_get_max_vport(&bfad->bfa);
 
 	fc_host_supported_classes(host) = FC_COS_CLASS3;
 
diff --git a/drivers/scsi/bfa/bfad_im.h b/drivers/scsi/bfa/bfad_im.h
index 85ab2da2132..973cab4d09c 100644
--- a/drivers/scsi/bfa/bfad_im.h
+++ b/drivers/scsi/bfa/bfad_im.h
@@ -34,7 +34,7 @@ void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port);
 void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port);
 void bfad_im_port_clean(struct bfad_im_port_s *im_port);
 int  bfad_im_scsi_host_alloc(struct bfad_s *bfad,
-				struct bfad_im_port_s *im_port);
+		struct bfad_im_port_s *im_port, struct device *dev);
 void bfad_im_scsi_host_free(struct bfad_s *bfad,
 				struct bfad_im_port_s *im_port);
 
@@ -64,9 +64,11 @@ struct bfad_im_port_s {
 	struct work_struct port_delete_work;
 	int             idr_id;
 	u16        cur_scsi_id;
+	u16	   flags;
 	struct list_head binding_list;
 	struct Scsi_Host *shost;
 	struct list_head itnim_mapped_list;
+	struct fc_vport *fc_vport;
 };
 
 enum bfad_itnim_state {
@@ -140,6 +142,8 @@ void bfad_im_itnim_unmap(struct bfad_im_port_s  *im_port,
 extern struct scsi_host_template bfad_im_scsi_host_template;
 extern struct scsi_host_template bfad_im_vport_template;
 extern struct fc_function_template bfad_im_fc_function_template;
+extern struct fc_function_template bfad_im_vport_fc_function_template;
 extern struct scsi_transport_template *bfad_im_scsi_transport_template;
+extern struct scsi_transport_template *bfad_im_scsi_vport_transport_template;
 
 #endif

From 2eba0d4c000777ce43012d7fda806b075f6cf877 Mon Sep 17 00:00:00 2001
From: Jing Huang <huangj@brocade.com>
Date: Fri, 19 Mar 2010 11:06:05 -0700
Subject: [PATCH 0341/3638] [SCSI] bfa: fix the issue of not handling scsi_cmnd
 sg chaining case

Currently the driver doesn't take into consideraion of possible sg chaining
when it walks through the sg list. This is fixed by using the sg_next()
which automatically handles the chaining case. Obosolete code is removed
as a result of this change.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bfa/bfa_cb_ioim_macros.h | 29 ---------------------------
 drivers/scsi/bfa/bfa_ioim.c           | 22 +++++++++++++++-----
 2 files changed, 17 insertions(+), 34 deletions(-)

diff --git a/drivers/scsi/bfa/bfa_cb_ioim_macros.h b/drivers/scsi/bfa/bfa_cb_ioim_macros.h
index 961fe439daa..53a616f5f50 100644
--- a/drivers/scsi/bfa/bfa_cb_ioim_macros.h
+++ b/drivers/scsi/bfa/bfa_cb_ioim_macros.h
@@ -116,35 +116,6 @@ bfa_cb_ioim_get_timeout(struct bfad_ioim_s *dio)
 	return 0;
 }
 
-/**
- * Get SG element for the I/O request given the SG element index
- */
-static inline union bfi_addr_u
-bfa_cb_ioim_get_sgaddr(struct bfad_ioim_s *dio, int sgeid)
-{
-	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
-	struct scatterlist *sge;
-	u64        addr;
-
-	sge = (struct scatterlist *)scsi_sglist(cmnd) + sgeid;
-	addr = (u64) sg_dma_address(sge);
-
-	return *((union bfi_addr_u *) &addr);
-}
-
-static inline u32
-bfa_cb_ioim_get_sglen(struct bfad_ioim_s *dio, int sgeid)
-{
-	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
-	struct scatterlist *sge;
-	u32        len;
-
-	sge = (struct scatterlist *)scsi_sglist(cmnd) + sgeid;
-	len = sg_dma_len(sge);
-
-	return len;
-}
-
 /**
  * Get Command Reference Number for the I/O request. 0 if none.
  */
diff --git a/drivers/scsi/bfa/bfa_ioim.c b/drivers/scsi/bfa/bfa_ioim.c
index 5b107abe46e..8a1be201d29 100644
--- a/drivers/scsi/bfa/bfa_ioim.c
+++ b/drivers/scsi/bfa/bfa_ioim.c
@@ -731,6 +731,9 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
 	static struct fcp_cmnd_s cmnd_z0 = { 0 };
 	struct bfi_sge_s      *sge;
 	u32        pgdlen = 0;
+	u64 addr;
+	struct scatterlist *sg;
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio;
 
 	/**
 	 * check for room in queue to send request now
@@ -754,8 +757,10 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
 	 */
 	sge = &m->sges[0];
 	if (ioim->nsges) {
-		sge->sga = bfa_cb_ioim_get_sgaddr(ioim->dio, 0);
-		pgdlen = bfa_cb_ioim_get_sglen(ioim->dio, 0);
+		sg = (struct scatterlist *)scsi_sglist(cmnd);
+		addr = (u64) sg_dma_address(sg);
+		sge->sga = *(union bfi_addr_u *) &addr;
+		pgdlen = sg_dma_len(sg);
 		sge->sg_len = pgdlen;
 		sge->flags = (ioim->nsges > BFI_SGE_INLINE) ?
 					BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST;
@@ -868,10 +873,16 @@ bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim)
 	struct bfi_sge_s      *sge;
 	struct bfa_sgpg_s *sgpg;
 	u32        pgcumsz;
+	u64        addr;
+	struct scatterlist *sg;
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio;
 
 	sgeid = BFI_SGE_INLINE;
 	ioim->sgpg = sgpg = bfa_q_first(&ioim->sgpg_q);
 
+	sg = scsi_sglist(cmnd);
+	sg = sg_next(sg);
+
 	do {
 		sge = sgpg->sgpg->sges;
 		nsges = ioim->nsges - sgeid;
@@ -879,9 +890,10 @@ bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim)
 			nsges = BFI_SGPG_DATA_SGES;
 
 		pgcumsz = 0;
-		for (i = 0; i < nsges; i++, sge++, sgeid++) {
-			sge->sga = bfa_cb_ioim_get_sgaddr(ioim->dio, sgeid);
-			sge->sg_len = bfa_cb_ioim_get_sglen(ioim->dio, sgeid);
+		for (i = 0; i < nsges; i++, sge++, sgeid++, sg = sg_next(sg)) {
+			addr = (u64) sg_dma_address(sg);
+			sge->sga = *(union bfi_addr_u *) &addr;
+			sge->sg_len = sg_dma_len(sg);
 			pgcumsz += sge->sg_len;
 
 			/**

From b3522f08ec7011aed0abc477bfedd00d189e9cd6 Mon Sep 17 00:00:00 2001
From: Jing Huang <huangj@brocade.com>
Date: Fri, 19 Mar 2010 11:06:44 -0700
Subject: [PATCH 0342/3638] [SCSI] bfa: use pci_iomap() and pci_iounmap()

Use pci_iomap() and pci_iounmap() to simplify the code. Remove uncessary #ifdef
check for ia64 (it was added as a workaound for some RHEL 5.x release which
doesn't export iounmap function)

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bfa/bfad.c     | 9 +--------
 drivers/scsi/bfa/bfad_drv.h | 1 -
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index 3a5163d3675..0baeabadb5b 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -590,7 +590,6 @@ bfad_init_timer(struct bfad_s *bfad)
 int
 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
 {
-	unsigned long   bar0_len;
 	int             rc = -ENODEV;
 
 	if (pci_enable_device(pdev)) {
@@ -610,9 +609,7 @@ bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
 			goto out_release_region;
 		}
 
-	bfad->pci_bar0_map = pci_resource_start(pdev, 0);
-	bar0_len = pci_resource_len(pdev, 0);
-	bfad->pci_bar0_kva = ioremap(bfad->pci_bar0_map, bar0_len);
+	bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
 
 	if (bfad->pci_bar0_kva == NULL) {
 		BFA_PRINTF(BFA_ERR, "Fail to map bar0\n");
@@ -645,11 +642,7 @@ out:
 void
 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
 {
-#if defined(__ia64__)
 	pci_iounmap(pdev, bfad->pci_bar0_kva);
-#else
-	iounmap(bfad->pci_bar0_kva);
-#endif
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
index f4b14396c4a..0639aedcb61 100644
--- a/drivers/scsi/bfa/bfad_drv.h
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -162,7 +162,6 @@ struct bfad_s {
 	const char *pci_name;
 	struct bfa_pcidev_s hal_pcidev;
 	struct bfa_ioc_pci_attr_s pci_attr;
-	unsigned long   pci_bar0_map;
 	void __iomem   *pci_bar0_kva;
 	struct completion comp;
 	struct completion suspend;

From 42b426ecb453cf49c3d16cf1d7a5e5d8cab9869d Mon Sep 17 00:00:00 2001
From: Jing Huang <huangj@brocade.com>
Date: Fri, 19 Mar 2010 11:07:09 -0700
Subject: [PATCH 0343/3638] [SCSI] bfa: protect idr using bfad_mutex

idr is a global resource, protect it with global bfad_mutex.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bfa/bfad.c     |  2 +-
 drivers/scsi/bfa/bfad_drv.h |  1 +
 drivers/scsi/bfa/bfad_im.c  | 13 +++++++++----
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index 0baeabadb5b..d4fc4287ebd 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -33,7 +33,7 @@
 #include <fcb/bfa_fcb.h>
 
 BFA_TRC_FILE(LDRV, BFAD);
-static DEFINE_MUTEX(bfad_mutex);
+DEFINE_MUTEX(bfad_mutex);
 LIST_HEAD(bfad_list);
 static int      bfad_inst;
 int bfad_supported_fc4s;
diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
index 0639aedcb61..6c920c1b53a 100644
--- a/drivers/scsi/bfa/bfad_drv.h
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -293,5 +293,6 @@ extern struct list_head bfad_list;
 extern int bfa_lun_queue_depth;
 extern int bfad_supported_fc4s;
 extern int bfa_linkup_delay;
+extern struct mutex bfad_mutex;
 
 #endif /* __BFAD_DRV_H__ */
diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index f263891b8cc..5b7cf539e50 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -518,7 +518,9 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port,
 {
 	int error = 1;
 
+	mutex_lock(&bfad_mutex);
 	if (!idr_pre_get(&bfad_im_port_index, GFP_KERNEL)) {
+		mutex_unlock(&bfad_mutex);
 		printk(KERN_WARNING "idr_pre_get failure\n");
 		goto out;
 	}
@@ -526,10 +528,13 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port,
 	error = idr_get_new(&bfad_im_port_index, im_port,
 					 &im_port->idr_id);
 	if (error) {
+		mutex_unlock(&bfad_mutex);
 		printk(KERN_WARNING "idr_get_new failure\n");
 		goto out;
 	}
 
+	mutex_unlock(&bfad_mutex);
+
 	im_port->shost = bfad_os_scsi_host_alloc(im_port, bfad);
 	if (!im_port->shost) {
 		error = 1;
@@ -563,7 +568,9 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port,
 out_fc_rel:
 	scsi_host_put(im_port->shost);
 out_free_idr:
+	mutex_lock(&bfad_mutex);
 	idr_remove(&bfad_im_port_index, im_port->idr_id);
+	mutex_unlock(&bfad_mutex);
 out:
 	return error;
 }
@@ -571,8 +578,6 @@ out:
 void
 bfad_im_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
 {
-	unsigned long flags;
-
 	bfa_trc(bfad, bfad->inst_no);
 	bfa_log(bfad->logmod, BFA_LOG_LINUX_SCSI_HOST_FREE,
 			im_port->shost->host_no);
@@ -582,9 +587,9 @@ bfad_im_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
 	scsi_remove_host(im_port->shost);
 	scsi_host_put(im_port->shost);
 
-	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	mutex_lock(&bfad_mutex);
 	idr_remove(&bfad_im_port_index, im_port->idr_id);
-	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	mutex_unlock(&bfad_mutex);
 }
 
 static void

From 077424e2e2c97c830d903891dfcd1532068b85b7 Mon Sep 17 00:00:00 2001
From: Jing Huang <huangj@brocade.com>
Date: Fri, 19 Mar 2010 11:07:36 -0700
Subject: [PATCH 0344/3638] [SCSI] bfa: sg addr big endian fix

sg address in IO request is not set up correctly for big endian platform.
add new macros to properly swap the address.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bfa/bfa_ioim.c   |  4 ++--
 drivers/scsi/bfa/bfa_os_inc.h | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/bfa/bfa_ioim.c b/drivers/scsi/bfa/bfa_ioim.c
index 8a1be201d29..687f3d6e252 100644
--- a/drivers/scsi/bfa/bfa_ioim.c
+++ b/drivers/scsi/bfa/bfa_ioim.c
@@ -758,7 +758,7 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
 	sge = &m->sges[0];
 	if (ioim->nsges) {
 		sg = (struct scatterlist *)scsi_sglist(cmnd);
-		addr = (u64) sg_dma_address(sg);
+		addr = bfa_os_sgaddr(sg_dma_address(sg));
 		sge->sga = *(union bfi_addr_u *) &addr;
 		pgdlen = sg_dma_len(sg);
 		sge->sg_len = pgdlen;
@@ -891,7 +891,7 @@ bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim)
 
 		pgcumsz = 0;
 		for (i = 0; i < nsges; i++, sge++, sgeid++, sg = sg_next(sg)) {
-			addr = (u64) sg_dma_address(sg);
+			addr = bfa_os_sgaddr(sg_dma_address(sg));
 			sge->sga = *(union bfi_addr_u *) &addr;
 			sge->sg_len = sg_dma_len(sg);
 			pgcumsz += sge->sg_len;
diff --git a/drivers/scsi/bfa/bfa_os_inc.h b/drivers/scsi/bfa/bfa_os_inc.h
index 10a89f75fa9..4eb1330d5b3 100644
--- a/drivers/scsi/bfa/bfa_os_inc.h
+++ b/drivers/scsi/bfa/bfa_os_inc.h
@@ -50,6 +50,10 @@
 #include <scsi/scsi_transport_fc.h>
 #include <scsi/scsi_transport.h>
 
+#ifdef __BIG_ENDIAN
+#define __BIGENDIAN
+#endif
+
 #define BFA_ERR			KERN_ERR
 #define BFA_WARNING		KERN_WARNING
 #define BFA_NOTICE		KERN_NOTICE
@@ -123,6 +127,15 @@ int bfa_os_MWB(void *);
 	(((_x) & 0x00ff0000) >> 8)	|	\
 	(((_x) & 0xff000000) >> 24))
 
+#define bfa_os_swap_sgaddr(_x)	((u64)(					\
+	(((u64)(_x) & (u64)0x00000000000000ffull) << 32)	|	\
+	(((u64)(_x) & (u64)0x000000000000ff00ull) << 32)	|	\
+	(((u64)(_x) & (u64)0x0000000000ff0000ull) << 32)	|	\
+	(((u64)(_x) & (u64)0x00000000ff000000ull) << 32)	|	\
+	(((u64)(_x) & (u64)0x000000ff00000000ull) >> 32)	|	\
+	(((u64)(_x) & (u64)0x0000ff0000000000ull) >> 32)	|	\
+	(((u64)(_x) & (u64)0x00ff000000000000ull) >> 32)	|	\
+	(((u64)(_x) & (u64)0xff00000000000000ull) >> 32)))
 
 #ifndef __BIGENDIAN
 #define bfa_os_htons(_x) ((u16)((((_x) & 0xff00) >> 8) | \
@@ -133,6 +146,7 @@ int bfa_os_MWB(void *);
 #define bfa_os_hton3b(_x)	bfa_swap_3b(_x)
 
 #define bfa_os_wtole(_x)   (_x)
+#define bfa_os_sgaddr(_x)  (_x)
 
 #else
 
@@ -141,6 +155,7 @@ int bfa_os_MWB(void *);
 #define bfa_os_hton3b(_x)  (_x)
 #define bfa_os_htonll(_x)  (_x)
 #define bfa_os_wtole(_x)   bfa_os_swap32(_x)
+#define bfa_os_sgaddr(_x)  bfa_os_swap_sgaddr(_x)
 
 #endif
 

From 6e98016ca077c5c751167bfdb1a3a2a3bee581cf Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Fri, 19 Mar 2010 17:03:58 -0700
Subject: [PATCH 0345/3638] [SCSI] qla2xxx: Re-organized BSG interface specific
 code.

1. Segregate BSG interface specific code to new files.
2. Handle multiple vendor specific commands indepedently.
3. Reorganised support for reset, management and update FCoE firmware commands.
4. Fixed memory leak issue in Loopback.
5. Added new vendor command to support iiDMA using BSG interface.
6. Proper cleanup of dma mapped and dma allocated buffers for BSG request.

[jejb: fix up conflict and merge in Jiri Slaby lock imbalance patch]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/Makefile   |    2 +-
 drivers/scsi/qla2xxx/qla_attr.c |  702 +--------------------
 drivers/scsi/qla2xxx/qla_bsg.c  | 1040 +++++++++++++++++++++++++++++++
 drivers/scsi/qla2xxx/qla_bsg.h  |  135 ++++
 drivers/scsi/qla2xxx/qla_def.h  |  125 +---
 drivers/scsi/qla2xxx/qla_gbl.h  |    8 +
 drivers/scsi/qla2xxx/qla_mbx.c  |   49 +-
 7 files changed, 1230 insertions(+), 831 deletions(-)
 create mode 100644 drivers/scsi/qla2xxx/qla_bsg.c
 create mode 100644 drivers/scsi/qla2xxx/qla_bsg.h

diff --git a/drivers/scsi/qla2xxx/Makefile b/drivers/scsi/qla2xxx/Makefile
index c51fd1f8663..1014db6f992 100644
--- a/drivers/scsi/qla2xxx/Makefile
+++ b/drivers/scsi/qla2xxx/Makefile
@@ -1,4 +1,4 @@
 qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \
-		qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o
+		qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o qla_bsg.o
 
 obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx.o
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 1c7ef55966f..90bf7ad42f6 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -12,9 +12,7 @@
 #include <linux/delay.h>
 
 static int qla24xx_vport_disable(struct fc_vport *, bool);
-static int qla84xx_reset(scsi_qla_host_t *, struct msg_echo_lb *, struct fc_bsg_job *);
-int qla84xx_reset_chip(scsi_qla_host_t *, uint16_t, uint16_t *);
-static int qla84xx_mgmt_cmd(scsi_qla_host_t *, struct msg_echo_lb *, struct fc_bsg_job *);
+
 /* SYSFS attributes --------------------------------------------------------- */
 
 static ssize_t
@@ -1825,582 +1823,6 @@ qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
 	return 0;
 }
 
-/* BSG support for ELS/CT pass through */
-inline srb_t *
-qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
-{
-	srb_t *sp;
-	struct qla_hw_data *ha = vha->hw;
-	struct srb_bsg_ctx *ctx;
-
-	sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
-	if (!sp)
-		goto done;
-	ctx = kzalloc(size, GFP_KERNEL);
-	if (!ctx) {
-		mempool_free(sp, ha->srb_mempool);
-		goto done;
-	}
-
-	memset(sp, 0, sizeof(*sp));
-	sp->fcport = fcport;
-	sp->ctx = ctx;
-done:
-	return sp;
-}
-
-static int
-qla2x00_process_els(struct fc_bsg_job *bsg_job)
-{
-	struct fc_rport *rport;
-	fc_port_t *fcport;
-	struct Scsi_Host *host;
-	scsi_qla_host_t *vha;
-	struct qla_hw_data *ha;
-	srb_t *sp;
-	const char *type;
-	int req_sg_cnt, rsp_sg_cnt;
-	int rval =  (DRIVER_ERROR << 16);
-	uint16_t nextlid = 0;
-	struct srb_bsg *els;
-
-	/*  Multiple SG's are not supported for ELS requests */
-        if (bsg_job->request_payload.sg_cnt > 1 ||
-		bsg_job->reply_payload.sg_cnt > 1) {
-		DEBUG2(printk(KERN_INFO
-		    "multiple SG's are not supported for ELS requests"
-		    " [request_sg_cnt: %x reply_sg_cnt: %x]\n",
-		    bsg_job->request_payload.sg_cnt,
-		    bsg_job->reply_payload.sg_cnt));
-		rval = -EPERM;
-		goto done;
-        }
-
-	/* ELS request for rport */
-	if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
-		rport = bsg_job->rport;
-		fcport = *(fc_port_t **) rport->dd_data;
-		host = rport_to_shost(rport);
-		vha = shost_priv(host);
-		ha = vha->hw;
-		type = "FC_BSG_RPT_ELS";
-
-		/* make sure the rport is logged in,
-		 * if not perform fabric login
-		 */
-		if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
-			DEBUG2(qla_printk(KERN_WARNING, ha,
-			    "failed to login port %06X for ELS passthru\n",
-			    fcport->d_id.b24));
-			rval = -EIO;
-			goto done;
-		}
-	} else {
-		host = bsg_job->shost;
-		vha = shost_priv(host);
-		ha = vha->hw;
-		type = "FC_BSG_HST_ELS_NOLOGIN";
-
-		/* Allocate a dummy fcport structure, since functions
-		 * preparing the IOCB and mailbox command retrieves port
-		 * specific information from fcport structure. For Host based
-		 * ELS commands there will be no fcport structure allocated
-		 */
-		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
-		if (!fcport) {
-			rval = -ENOMEM;
-			goto done;
-		}
-
-		/* Initialize all required  fields of fcport */
-		fcport->vha = vha;
-		fcport->vp_idx = vha->vp_idx;
-		fcport->d_id.b.al_pa =
-		    bsg_job->request->rqst_data.h_els.port_id[0];
-		fcport->d_id.b.area =
-		    bsg_job->request->rqst_data.h_els.port_id[1];
-		fcport->d_id.b.domain =
-		    bsg_job->request->rqst_data.h_els.port_id[2];
-		fcport->loop_id =
-		    (fcport->d_id.b.al_pa == 0xFD) ?
-		    NPH_FABRIC_CONTROLLER : NPH_F_PORT;
-	}
-
-	if (!vha->flags.online) {
-		DEBUG2(qla_printk(KERN_WARNING, ha,
-		    "host not online\n"));
-		rval = -EIO;
-		goto done;
-	}
-
-        req_sg_cnt =
-	    dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
-	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
-        if (!req_sg_cnt) {
-		rval = -ENOMEM;
-		goto done_free_fcport;
-	}
-        rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
-	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
-        if (!rsp_sg_cnt) {
-		rval = -ENOMEM;
-                goto done_free_fcport;
-	}
-
-	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
-	    (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
-	{
-		DEBUG2(printk(KERN_INFO
-		    "dma mapping resulted in different sg counts \
-		    [request_sg_cnt: %x dma_request_sg_cnt: %x\
-		    reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
-		    bsg_job->request_payload.sg_cnt, req_sg_cnt,
-		    bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
-		rval = -EAGAIN;
-                goto done_unmap_sg;
-	}
-
-	/* Alloc SRB structure */
-	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
-	if (!sp) {
-		rval = -ENOMEM;
-                goto done_unmap_sg;
-	}
-
-	els = sp->ctx;
-	els->ctx.type =
-	    (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
-	    SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
-	els->bsg_job = bsg_job;
-
-	DEBUG2(qla_printk(KERN_INFO, ha,
-	    "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
-	    "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
-	    bsg_job->request->rqst_data.h_els.command_code,
-	    fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
-	    fcport->d_id.b.al_pa));
-
-	rval = qla2x00_start_sp(sp);
-	if (rval != QLA_SUCCESS) {
-		kfree(sp->ctx);
-		mempool_free(sp, ha->srb_mempool);
-		rval = -EIO;
-		goto done_unmap_sg;
-	}
-	return rval;
-
-done_unmap_sg:
-	dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
-		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
-	dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
-		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
-	goto done_free_fcport;
-
-done_free_fcport:
-	if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
-		kfree(fcport);
-done:
-	return rval;
-}
-
-static int
-qla2x00_process_ct(struct fc_bsg_job *bsg_job)
-{
-	srb_t *sp;
-	struct Scsi_Host *host = bsg_job->shost;
-	scsi_qla_host_t *vha = shost_priv(host);
-	struct qla_hw_data *ha = vha->hw;
-	int rval = (DRIVER_ERROR << 16);
-	int req_sg_cnt, rsp_sg_cnt;
-	uint16_t loop_id;
-	struct fc_port *fcport;
-	char  *type = "FC_BSG_HST_CT";
-	struct srb_bsg *ct;
-
-	/* pass through is supported only for ISP 4Gb or higher */
-        if (!IS_FWI2_CAPABLE(ha)) {
-		DEBUG2(qla_printk(KERN_INFO, ha,
-		    "scsi(%ld):Firmware is not capable to support FC "
-		    "CT pass thru\n", vha->host_no));
-		rval = -EPERM;
-                goto done;
-	}
-
-        req_sg_cnt =
-	    dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
-	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
-        if (!req_sg_cnt) {
-		rval = -ENOMEM;
-		goto done;
-	}
-
-        rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
-            bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
-        if (!rsp_sg_cnt) {
-		rval = -ENOMEM;
-                goto done;
-	}
-
-	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
-		(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
-	{
-		DEBUG2(qla_printk(KERN_WARNING, ha,
-		    "dma mapping resulted in different sg counts \
-		    [request_sg_cnt: %x dma_request_sg_cnt: %x\
-		    reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
-		    bsg_job->request_payload.sg_cnt, req_sg_cnt,
-		    bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
-		rval = -EAGAIN;
-                goto done_unmap_sg;
-	}
-
-	if (!vha->flags.online) {
-		DEBUG2(qla_printk(KERN_WARNING, ha,
-		    "host not online\n"));
-		rval = -EIO;
-                goto done_unmap_sg;
-	}
-
-	loop_id =
-	    (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
-	    >> 24;
-	switch (loop_id) {
-		case 0xFC:
-			loop_id = cpu_to_le16(NPH_SNS);
-			break;
-		case 0xFA:
-			loop_id = vha->mgmt_svr_loop_id;
-			break;
-		default:
-			DEBUG2(qla_printk(KERN_INFO, ha,
-			    "Unknown loop id: %x\n", loop_id));
-			rval = -EINVAL;
-			goto done_unmap_sg;
-	}
-
-	/* Allocate a dummy fcport structure, since functions preparing the
-	 * IOCB and mailbox command retrieves port specific information
-	 * from fcport structure. For Host based ELS commands there will be
-	 * no fcport structure allocated
-	 */
-	fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
-	if (!fcport)
-	{
-		rval = -ENOMEM;
-		goto  done_unmap_sg;
-	}
-
-	/* Initialize all required  fields of fcport */
-	fcport->vha = vha;
-	fcport->vp_idx = vha->vp_idx;
-	fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
-	fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
-	fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
-	fcport->loop_id = loop_id;
-
-	/* Alloc SRB structure */
-	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
-	if (!sp) {
-		rval = -ENOMEM;
-		goto done_free_fcport;
-	}
-
-	ct = sp->ctx;
-	ct->ctx.type = SRB_CT_CMD;
-	ct->bsg_job = bsg_job;
-
-	DEBUG2(qla_printk(KERN_INFO, ha,
-	    "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
-	    "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
-	    (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
-	    fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
-	    fcport->d_id.b.al_pa));
-
-	rval = qla2x00_start_sp(sp);
-	if (rval != QLA_SUCCESS) {
-		kfree(sp->ctx);
-		mempool_free(sp, ha->srb_mempool);
-		rval = -EIO;
-		goto done_free_fcport;
-	}
-	return rval;
-
-done_free_fcport:
-	kfree(fcport);
-done_unmap_sg:
-	dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
-	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
-	dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
-	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
-done:
-	return rval;
-}
-
-static int
-qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
-{
-	struct Scsi_Host *host = bsg_job->shost;
-	scsi_qla_host_t *vha = shost_priv(host);
-	struct qla_hw_data *ha = vha->hw;
-	int rval;
-	uint8_t command_sent;
-	uint32_t vendor_cmd;
-	char *type;
-	struct msg_echo_lb elreq;
-	uint16_t response[MAILBOX_REGISTER_COUNT];
-	uint8_t* fw_sts_ptr;
-	uint8_t *req_data;
-	dma_addr_t req_data_dma;
-	uint32_t req_data_len;
-	uint8_t *rsp_data;
-	dma_addr_t rsp_data_dma;
-	uint32_t rsp_data_len;
-
-	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
-	    test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
-	    test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-		rval = -EBUSY;
-		goto done;
-	}
-
-	if (!vha->flags.online) {
-		DEBUG2(qla_printk(KERN_WARNING, ha,
-		    "host not online\n"));
-		rval = -EIO;
-                goto done;
-	}
-
-        elreq.req_sg_cnt =
-	    dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
-	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
-        if (!elreq.req_sg_cnt) {
-		rval = -ENOMEM;
-		goto done;
-	}
-        elreq.rsp_sg_cnt =
-	    dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
-	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
-        if (!elreq.rsp_sg_cnt) {
-		rval = -ENOMEM;
-                goto done;
-	}
-
-	if ((elreq.req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
-	    (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
-	{
-		DEBUG2(printk(KERN_INFO
-		    "dma mapping resulted in different sg counts \
-		    [request_sg_cnt: %x dma_request_sg_cnt: %x\
-		    reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
-		    bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
-		    bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt));
-		rval = -EAGAIN;
-                goto done_unmap_sg;
-	}
-	req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
-	req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
-	    &req_data_dma, GFP_KERNEL);
-
-	rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
-	    &rsp_data_dma, GFP_KERNEL);
-
-	/* Copy the request buffer in req_data now */
-	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
-	    bsg_job->request_payload.sg_cnt, req_data,
-	    req_data_len);
-
-	elreq.send_dma = req_data_dma;
-	elreq.rcv_dma = rsp_data_dma;
-	elreq.transfer_size = req_data_len;
-
-	/* Vendor cmd : loopback or ECHO diagnostic
-	 * Options:
-	 * 	Loopback : Either internal or external loopback
-	 * 	ECHO: ECHO ELS or Vendor specific FC4  link data
-	 */
-	vendor_cmd = bsg_job->request->rqst_data.h_vendor.vendor_cmd[0];
-	elreq.options =
-	    *(((uint32_t *)bsg_job->request->rqst_data.h_vendor.vendor_cmd)
-	    + 1);
-
-	switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
-	case QL_VND_LOOPBACK:
-		if (ha->current_topology != ISP_CFG_F) {
-			type = "FC_BSG_HST_VENDOR_LOOPBACK";
-
-			DEBUG2(qla_printk(KERN_INFO, ha,
-				"scsi(%ld) bsg rqst type: %s vendor rqst type: %x options: %x.\n",
-				vha->host_no, type, vendor_cmd, elreq.options));
-
-			command_sent = INT_DEF_LB_LOOPBACK_CMD;
-			rval = qla2x00_loopback_test(vha, &elreq, response);
-			if (IS_QLA81XX(ha)) {
-				if (response[0] == MBS_COMMAND_ERROR && response[1] == MBS_LB_RESET) {
-					DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing "
-						"ISP\n", __func__, vha->host_no));
-					set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
-					qla2xxx_wake_dpc(vha);
-				 }
-			}
-		} else {
-			type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
-			DEBUG2(qla_printk(KERN_INFO, ha,
-				"scsi(%ld) bsg rqst type: %s vendor rqst type: %x options: %x.\n",
-				vha->host_no, type, vendor_cmd, elreq.options));
-
-			command_sent = INT_DEF_LB_ECHO_CMD;
-			rval = qla2x00_echo_test(vha, &elreq, response);
-		}
-		break;
-	case QLA84_RESET:
-		if (!IS_QLA84XX(vha->hw)) {
-			rval = -EINVAL;
-			DEBUG16(printk(
-				"%s(%ld): 8xxx exiting.\n",
-				__func__, vha->host_no));
-			return rval;
-		}
-		rval = qla84xx_reset(vha, &elreq, bsg_job);
-		break;
-	case QLA84_MGMT_CMD:
-		if (!IS_QLA84XX(vha->hw)) {
-			rval = -EINVAL;
-			DEBUG16(printk(
-				"%s(%ld): 8xxx exiting.\n",
-				__func__, vha->host_no));
-			return rval;
-		}
-		rval = qla84xx_mgmt_cmd(vha, &elreq, bsg_job);
-		break;
-	default:
-		rval = -ENOSYS;
-	}
-
-	if (rval != QLA_SUCCESS) {
-		DEBUG2(qla_printk(KERN_WARNING, ha,
-			"scsi(%ld) Vendor request %s failed\n", vha->host_no, type));
-		rval = 0;
-		bsg_job->reply->result = (DID_ERROR << 16);
-		bsg_job->reply->reply_payload_rcv_len = 0;
-		fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
-		memcpy( fw_sts_ptr, response, sizeof(response));
-		fw_sts_ptr += sizeof(response);
-                *fw_sts_ptr = command_sent;
-	} else {
-		DEBUG2(qla_printk(KERN_WARNING, ha,
-			"scsi(%ld) Vendor request %s completed\n", vha->host_no, type));
-		rval = bsg_job->reply->result = 0;
-		bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(response) + sizeof(uint8_t);
-		bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
-		fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
-		memcpy(fw_sts_ptr, response, sizeof(response));
-		fw_sts_ptr += sizeof(response);
-		*fw_sts_ptr = command_sent;
-		sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
-		bsg_job->reply_payload.sg_cnt, rsp_data,
-		rsp_data_len);
-	}
-	bsg_job->job_done(bsg_job);
-
-done_unmap_sg:
-
-	if(req_data)
-		dma_free_coherent(&ha->pdev->dev, req_data_len,
-			req_data, req_data_dma);
-	dma_unmap_sg(&ha->pdev->dev,
-	    bsg_job->request_payload.sg_list,
-	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
-	dma_unmap_sg(&ha->pdev->dev,
-	    bsg_job->reply_payload.sg_list,
-	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
-
-done:
-        return rval;
-}
-
-static int
-qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
-{
-        int ret = -EINVAL;
-
-        switch (bsg_job->request->msgcode) {
-		case FC_BSG_RPT_ELS:
-		case FC_BSG_HST_ELS_NOLOGIN:
-			ret = qla2x00_process_els(bsg_job);
-			break;
-		case FC_BSG_HST_CT:
-			ret = qla2x00_process_ct(bsg_job);
-			break;
-		case FC_BSG_HST_VENDOR:
-			ret = qla2x00_process_vendor_specific(bsg_job);
-			break;
-		case FC_BSG_HST_ADD_RPORT:
-		case FC_BSG_HST_DEL_RPORT:
-		case FC_BSG_RPT_CT:
-		default:
-			DEBUG2(printk("qla2xxx: unsupported BSG request\n"));
-			break;
-        }
-	return ret;
-}
-
-static int
-qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
-{
-        scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
-        struct qla_hw_data *ha = vha->hw;
-        srb_t *sp;
-        int cnt, que;
-        unsigned long flags;
-        struct req_que *req;
-	struct srb_bsg *sp_bsg;
-
-	/* find the bsg job from the active list of commands */
-        spin_lock_irqsave(&ha->hardware_lock, flags);
-	for (que = 0; que < ha->max_req_queues; que++) {
-		req = ha->req_q_map[que];
-		if (!req)
-			continue;
-
-		for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++ ) {
-			sp = req->outstanding_cmds[cnt];
-
-			if (sp) {
-				sp_bsg = (struct srb_bsg*)sp->ctx;
-
-				if (((sp_bsg->ctx.type == SRB_CT_CMD) ||
-				    (sp_bsg->ctx.type == SRB_ELS_CMD_RPT)
-				    || ( sp_bsg->ctx.type == SRB_ELS_CMD_HST)) &&
-				    (sp_bsg->bsg_job == bsg_job)) {
-					if (ha->isp_ops->abort_command(sp)) {
-						DEBUG2(qla_printk(KERN_INFO, ha,
-						"scsi(%ld): mbx abort_command failed\n", vha->host_no));
-						bsg_job->req->errors = bsg_job->reply->result = -EIO;
-					} else {
-						DEBUG2(qla_printk(KERN_INFO, ha,
-						"scsi(%ld): mbx abort_command success\n", vha->host_no));
-						bsg_job->req->errors = bsg_job->reply->result = 0;
-					}
-					goto done;
-				}
-			}
-		}
-	}
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
-	DEBUG2(qla_printk(KERN_INFO, ha,
-		"scsi(%ld) SRB not found to abort\n", vha->host_no));
-	bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
-	return 0;
-
-done:
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
-	if (bsg_job->request->msgcode == FC_BSG_HST_CT)
-		kfree(sp->fcport);
-	kfree(sp->ctx);
-	mempool_free(sp, ha->srb_mempool);
-	return 0;
-}
-
 struct fc_function_template qla2xxx_transport_functions = {
 
 	.show_host_node_name = 1,
@@ -2516,125 +1938,3 @@ qla2x00_init_host_attr(scsi_qla_host_t *vha)
 		speed = FC_PORTSPEED_1GBIT;
 	fc_host_supported_speeds(vha->host) = speed;
 }
-static int
-qla84xx_reset(scsi_qla_host_t *ha, struct msg_echo_lb *mreq, struct fc_bsg_job *bsg_job)
-{
-	int             ret = 0;
-	int             cmd;
-	uint16_t        cmd_status;
-
-	DEBUG16(printk("%s(%ld): entered.\n", __func__, ha->host_no));
-
-	cmd = (*((bsg_job->request->rqst_data.h_vendor.vendor_cmd) + 2))
-			== A84_RESET_FLAG_ENABLE_DIAG_FW ?
-				A84_ISSUE_RESET_DIAG_FW : A84_ISSUE_RESET_OP_FW;
-	ret = qla84xx_reset_chip(ha, cmd == A84_ISSUE_RESET_DIAG_FW,
-	&cmd_status);
-	return ret;
-}
-
-static int
-qla84xx_mgmt_cmd(scsi_qla_host_t *ha, struct msg_echo_lb *mreq, struct fc_bsg_job *bsg_job)
-{
-	struct access_chip_84xx *mn;
-	dma_addr_t mn_dma, mgmt_dma;
-	void *mgmt_b = NULL;
-	int ret = 0;
-	int rsp_hdr_len, len = 0;
-	struct qla84_msg_mgmt *ql84_mgmt;
-
-	ql84_mgmt = (struct qla84_msg_mgmt *) vmalloc(sizeof(struct qla84_msg_mgmt));
-	ql84_mgmt->cmd =
-		*((uint16_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 2));
-	ql84_mgmt->mgmtp.u.mem.start_addr =
-		*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 3));
-	ql84_mgmt->len =
-		*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 4));
-	ql84_mgmt->mgmtp.u.config.id =
-		*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 5));
-	ql84_mgmt->mgmtp.u.config.param0 =
-		*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 6));
-	ql84_mgmt->mgmtp.u.config.param1 =
-		*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 7));
-	ql84_mgmt->mgmtp.u.info.type =
-		*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 8));
-	ql84_mgmt->mgmtp.u.info.context =
-		*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 9));
-
-	rsp_hdr_len = bsg_job->request_payload.payload_len;
-
-	mn = dma_pool_alloc(ha->hw->s_dma_pool, GFP_KERNEL, &mn_dma);
-	if (mn == NULL) {
-		DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
-		"failed%lu\n", __func__, ha->host_no));
-		return -ENOMEM;
-	}
-
-	memset(mn, 0, sizeof (struct access_chip_84xx));
-
-	mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
-	mn->entry_count = 1;
-
-	switch (ql84_mgmt->cmd) {
-	case QLA84_MGMT_READ_MEM:
-		mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
-		mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.mem.start_addr);
-		break;
-	case QLA84_MGMT_WRITE_MEM:
-		mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
-		mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.mem.start_addr);
-		break;
-	case QLA84_MGMT_CHNG_CONFIG:
-		mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
-		mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.id);
-		mn->parameter2 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.param0);
-		mn->parameter3 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.param1);
-		break;
-	case QLA84_MGMT_GET_INFO:
-		mn->options = cpu_to_le16(ACO_REQUEST_INFO);
-		mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.info.type);
-		mn->parameter2 = cpu_to_le32(ql84_mgmt->mgmtp.u.info.context);
-		break;
-	default:
-		ret = -EIO;
-		goto exit_mgmt0;
-	}
-
-	if ((len == ql84_mgmt->len) &&
-		ql84_mgmt->cmd != QLA84_MGMT_CHNG_CONFIG) {
-		mgmt_b = dma_alloc_coherent(&ha->hw->pdev->dev, len,
-				&mgmt_dma, GFP_KERNEL);
-		if (mgmt_b == NULL) {
-			DEBUG2(printk(KERN_ERR "%s: dma alloc mgmt_b "
-			"failed%lu\n", __func__, ha->host_no));
-			ret = -ENOMEM;
-			goto exit_mgmt0;
-		}
-		mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->len);
-		mn->dseg_count = cpu_to_le16(1);
-		mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
-		mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
-		mn->dseg_length = cpu_to_le32(len);
-
-		if (ql84_mgmt->cmd == QLA84_MGMT_WRITE_MEM) {
-			memcpy(mgmt_b, ql84_mgmt->payload, len);
-		}
-	}
-
-	ret = qla2x00_issue_iocb(ha, mn, mn_dma, 0);
-	if ((ret != QLA_SUCCESS) || (ql84_mgmt->cmd == QLA84_MGMT_WRITE_MEM)
-		|| (ql84_mgmt->cmd == QLA84_MGMT_CHNG_CONFIG)) {
-			if (ret != QLA_SUCCESS)
-				DEBUG2(printk(KERN_ERR "%s(%lu): failed\n",
-					__func__, ha->host_no));
-	} else if ((ql84_mgmt->cmd == QLA84_MGMT_READ_MEM) ||
-			(ql84_mgmt->cmd == QLA84_MGMT_GET_INFO)) {
-	}
-
-	if (mgmt_b)
-		dma_free_coherent(&ha->hw->pdev->dev, len, mgmt_b, mgmt_dma);
-
-exit_mgmt0:
-	dma_pool_free(ha->hw->s_dma_pool, mn, mn_dma);
-	return ret;
-}
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
new file mode 100644
index 00000000000..c20292fde72
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -0,0 +1,1040 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2008 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#include "qla_def.h"
+
+#include <linux/kthread.h>
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+
+/* BSG support for ELS/CT pass through */
+inline srb_t *
+qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
+{
+	srb_t *sp;
+	struct qla_hw_data *ha = vha->hw;
+	struct srb_bsg_ctx *ctx;
+
+	sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
+	if (!sp)
+		goto done;
+	ctx = kzalloc(size, GFP_KERNEL);
+	if (!ctx) {
+		mempool_free(sp, ha->srb_mempool);
+		sp = NULL;
+		goto done;
+	}
+
+	memset(sp, 0, sizeof(*sp));
+	sp->fcport = fcport;
+	sp->ctx = ctx;
+done:
+	return sp;
+}
+
+static int
+qla2x00_process_els(struct fc_bsg_job *bsg_job)
+{
+	struct fc_rport *rport;
+	fc_port_t *fcport;
+	struct Scsi_Host *host;
+	scsi_qla_host_t *vha;
+	struct qla_hw_data *ha;
+	srb_t *sp;
+	const char *type;
+	int req_sg_cnt, rsp_sg_cnt;
+	int rval =  (DRIVER_ERROR << 16);
+	uint16_t nextlid = 0;
+	struct srb_bsg *els;
+
+	/*  Multiple SG's are not supported for ELS requests */
+	if (bsg_job->request_payload.sg_cnt > 1 ||
+		bsg_job->reply_payload.sg_cnt > 1) {
+		DEBUG2(printk(KERN_INFO
+			"multiple SG's are not supported for ELS requests"
+			" [request_sg_cnt: %x reply_sg_cnt: %x]\n",
+			bsg_job->request_payload.sg_cnt,
+			bsg_job->reply_payload.sg_cnt));
+		rval = -EPERM;
+		goto done;
+	}
+
+	/* ELS request for rport */
+	if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
+		rport = bsg_job->rport;
+		fcport = *(fc_port_t **) rport->dd_data;
+		host = rport_to_shost(rport);
+		vha = shost_priv(host);
+		ha = vha->hw;
+		type = "FC_BSG_RPT_ELS";
+
+		/* make sure the rport is logged in,
+		 * if not perform fabric login
+		 */
+		if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
+			DEBUG2(qla_printk(KERN_WARNING, ha,
+			"failed to login port %06X for ELS passthru\n",
+			fcport->d_id.b24));
+			rval = -EIO;
+			goto done;
+		}
+	} else {
+		host = bsg_job->shost;
+		vha = shost_priv(host);
+		ha = vha->hw;
+		type = "FC_BSG_HST_ELS_NOLOGIN";
+
+		/* Allocate a dummy fcport structure, since functions
+		 * preparing the IOCB and mailbox command retrieves port
+		 * specific information from fcport structure. For Host based
+		 * ELS commands there will be no fcport structure allocated
+		 */
+		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+		if (!fcport) {
+			rval = -ENOMEM;
+			goto done;
+		}
+
+		/* Initialize all required  fields of fcport */
+		fcport->vha = vha;
+		fcport->vp_idx = vha->vp_idx;
+		fcport->d_id.b.al_pa =
+			bsg_job->request->rqst_data.h_els.port_id[0];
+		fcport->d_id.b.area =
+			bsg_job->request->rqst_data.h_els.port_id[1];
+		fcport->d_id.b.domain =
+			bsg_job->request->rqst_data.h_els.port_id[2];
+		fcport->loop_id =
+			(fcport->d_id.b.al_pa == 0xFD) ?
+			NPH_FABRIC_CONTROLLER : NPH_F_PORT;
+	}
+
+	if (!vha->flags.online) {
+		DEBUG2(qla_printk(KERN_WARNING, ha,
+		    "host not online\n"));
+		rval = -EIO;
+		goto done;
+	}
+
+	req_sg_cnt =
+		dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+	if (!req_sg_cnt) {
+		rval = -ENOMEM;
+		goto done_free_fcport;
+	}
+        rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+        if (!rsp_sg_cnt) {
+		rval = -ENOMEM;
+		goto done_free_fcport;
+	}
+
+	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
+	    (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
+	{
+		DEBUG2(printk(KERN_INFO
+			"dma mapping resulted in different sg counts \
+			[request_sg_cnt: %x dma_request_sg_cnt: %x\
+			reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
+			bsg_job->request_payload.sg_cnt, req_sg_cnt,
+			bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
+		rval = -EAGAIN;
+		goto done_unmap_sg;
+	}
+
+	/* Alloc SRB structure */
+	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
+	if (!sp) {
+		rval = -ENOMEM;
+                goto done_unmap_sg;
+	}
+
+	els = sp->ctx;
+	els->ctx.type =
+		(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
+		SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
+	els->bsg_job = bsg_job;
+
+	DEBUG2(qla_printk(KERN_INFO, ha,
+		"scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
+		"portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
+		bsg_job->request->rqst_data.h_els.command_code,
+		fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
+		fcport->d_id.b.al_pa));
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS) {
+		kfree(sp->ctx);
+		mempool_free(sp, ha->srb_mempool);
+		rval = -EIO;
+		goto done_unmap_sg;
+	}
+	return rval;
+
+done_unmap_sg:
+	dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+	dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+	goto done_free_fcport;
+
+done_free_fcport:
+	if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
+		kfree(fcport);
+done:
+	return rval;
+}
+
+static int
+qla2x00_process_ct(struct fc_bsg_job *bsg_job)
+{
+	srb_t *sp;
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	int rval = (DRIVER_ERROR << 16);
+	int req_sg_cnt, rsp_sg_cnt;
+	uint16_t loop_id;
+	struct fc_port *fcport;
+	char  *type = "FC_BSG_HST_CT";
+	struct srb_bsg *ct;
+
+	/* pass through is supported only for ISP 4Gb or higher */
+        if (!IS_FWI2_CAPABLE(ha)) {
+		DEBUG2(qla_printk(KERN_INFO, ha,
+			"scsi(%ld):Firmware is not capable to support FC "
+			"CT pass thru\n", vha->host_no));
+		rval = -EPERM;
+		goto done;
+	}
+
+	req_sg_cnt =
+		dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+			bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+        if (!req_sg_cnt) {
+		rval = -ENOMEM;
+		goto done;
+	}
+
+	rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+	if (!rsp_sg_cnt) {
+		rval = -ENOMEM;
+		goto done;
+	}
+
+	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
+		(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
+	{
+		DEBUG2(qla_printk(KERN_WARNING, ha,
+			"[request_sg_cnt: %x dma_request_sg_cnt: %x\
+			reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
+			bsg_job->request_payload.sg_cnt, req_sg_cnt,
+			bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
+		rval = -EAGAIN;
+                goto done_unmap_sg;
+	}
+
+	if (!vha->flags.online) {
+		DEBUG2(qla_printk(KERN_WARNING, ha,
+			"host not online\n"));
+		rval = -EIO;
+		goto done_unmap_sg;
+	}
+
+	loop_id =
+		(bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
+			>> 24;
+	switch (loop_id) {
+		case 0xFC:
+			loop_id = cpu_to_le16(NPH_SNS);
+			break;
+		case 0xFA:
+			loop_id = vha->mgmt_svr_loop_id;
+			break;
+		default:
+			DEBUG2(qla_printk(KERN_INFO, ha,
+			    "Unknown loop id: %x\n", loop_id));
+			rval = -EINVAL;
+			goto done_unmap_sg;
+	}
+
+	/* Allocate a dummy fcport structure, since functions preparing the
+	 * IOCB and mailbox command retrieves port specific information
+	 * from fcport structure. For Host based ELS commands there will be
+	 * no fcport structure allocated
+	 */
+	fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+	if (!fcport)
+	{
+		rval = -ENOMEM;
+		goto  done_unmap_sg;
+	}
+
+	/* Initialize all required  fields of fcport */
+	fcport->vha = vha;
+	fcport->vp_idx = vha->vp_idx;
+	fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
+	fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
+	fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
+	fcport->loop_id = loop_id;
+
+	/* Alloc SRB structure */
+	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
+	if (!sp) {
+		rval = -ENOMEM;
+		goto done_free_fcport;
+	}
+
+	ct = sp->ctx;
+	ct->ctx.type = SRB_CT_CMD;
+	ct->bsg_job = bsg_job;
+
+	DEBUG2(qla_printk(KERN_INFO, ha,
+		"scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
+		"portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
+		(bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
+		fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
+		fcport->d_id.b.al_pa));
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS) {
+		kfree(sp->ctx);
+		mempool_free(sp, ha->srb_mempool);
+		rval = -EIO;
+		goto done_free_fcport;
+	}
+	return rval;
+
+done_free_fcport:
+	kfree(fcport);
+done_unmap_sg:
+	dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+	dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+done:
+	return rval;
+}
+
+static int
+qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	int rval;
+	uint8_t command_sent;
+	char *type;
+	struct msg_echo_lb elreq;
+	uint16_t response[MAILBOX_REGISTER_COUNT];
+	uint8_t* fw_sts_ptr;
+	uint8_t *req_data = NULL;
+	dma_addr_t req_data_dma;
+	uint32_t req_data_len;
+	uint8_t *rsp_data = NULL;
+	dma_addr_t rsp_data_dma;
+	uint32_t rsp_data_len;
+
+	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
+		return -EBUSY;
+
+	if (!vha->flags.online) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "host not online\n"));
+		return -EIO;
+	}
+
+	elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
+		bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
+		DMA_TO_DEVICE);
+
+	if (!elreq.req_sg_cnt)
+		return -ENOMEM;
+
+	elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
+		bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
+		DMA_FROM_DEVICE);
+
+	if (!elreq.rsp_sg_cnt) {
+		rval = -ENOMEM;
+		goto done_unmap_req_sg;
+}
+
+	if ((elreq.req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
+		(elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
+		DEBUG2(printk(KERN_INFO
+			"dma mapping resulted in different sg counts "
+			"[request_sg_cnt: %x dma_request_sg_cnt: %x "
+			"reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
+			bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
+			bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt));
+		rval = -EAGAIN;
+		goto done_unmap_sg;
+	}
+	req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
+	req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
+		&req_data_dma, GFP_KERNEL);
+	if (!req_data) {
+		DEBUG2(printk(KERN_ERR "%s: dma alloc for req_data "
+			"failed for host=%lu\n", __func__, vha->host_no));
+		rval = -ENOMEM;
+		goto done_unmap_sg;
+	}
+
+	rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
+		&rsp_data_dma, GFP_KERNEL);
+	if (!rsp_data) {
+		DEBUG2(printk(KERN_ERR "%s: dma alloc for rsp_data "
+			"failed for host=%lu\n", __func__, vha->host_no));
+		rval = -ENOMEM;
+		goto done_free_dma_req;
+	}
+
+	/* Copy the request buffer in req_data now */
+	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+		bsg_job->request_payload.sg_cnt, req_data, req_data_len);
+
+	elreq.send_dma = req_data_dma;
+	elreq.rcv_dma = rsp_data_dma;
+	elreq.transfer_size = req_data_len;
+
+	elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+	if (ha->current_topology != ISP_CFG_F) {
+		type = "FC_BSG_HST_VENDOR_LOOPBACK";
+		DEBUG2(qla_printk(KERN_INFO, ha,
+			"scsi(%ld) bsg rqst type: %s\n",
+			vha->host_no, type));
+
+		command_sent = INT_DEF_LB_LOOPBACK_CMD;
+		rval = qla2x00_loopback_test(vha, &elreq, response);
+		if (IS_QLA81XX(ha)) {
+			if (response[0] == MBS_COMMAND_ERROR &&
+				response[1] == MBS_LB_RESET) {
+				DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing "
+				"ISP\n", __func__, vha->host_no));
+				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+				qla2xxx_wake_dpc(vha);
+			}
+		}
+	} else {
+		type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
+		DEBUG2(qla_printk(KERN_INFO, ha,
+		    "scsi(%ld) bsg rqst type: %s\n" ,vha->host_no, type));
+		command_sent = INT_DEF_LB_ECHO_CMD;
+		rval = qla2x00_echo_test(vha, &elreq, response);
+	}
+
+	if (rval) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
+			"request %s failed\n", vha->host_no, type));
+
+		fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
+			sizeof(struct fc_bsg_reply);
+
+		memcpy(fw_sts_ptr, response, sizeof(response));
+		fw_sts_ptr += sizeof(response);
+                *fw_sts_ptr = command_sent;
+		rval = 0;
+		bsg_job->reply->reply_payload_rcv_len = 0;
+		bsg_job->reply->result = (DID_ERROR << 16);
+	} else {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
+			"request %s completed\n", vha->host_no, type));
+
+		bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
+			sizeof(response) + sizeof(uint8_t);
+		bsg_job->reply->reply_payload_rcv_len =
+			bsg_job->reply_payload.payload_len;
+		fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
+			sizeof(struct fc_bsg_reply);
+		memcpy(fw_sts_ptr, response, sizeof(response));
+		fw_sts_ptr += sizeof(response);
+		*fw_sts_ptr = command_sent;
+		bsg_job->reply->result = DID_OK;
+		sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+			bsg_job->reply_payload.sg_cnt, rsp_data,
+			rsp_data_len);
+	}
+	bsg_job->job_done(bsg_job);
+
+	dma_free_coherent(&ha->pdev->dev, rsp_data_len,
+		rsp_data, rsp_data_dma);
+done_free_dma_req:
+	dma_free_coherent(&ha->pdev->dev, req_data_len,
+		req_data, req_data_dma);
+done_unmap_sg:
+	dma_unmap_sg(&ha->pdev->dev,
+	    bsg_job->reply_payload.sg_list,
+	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+done_unmap_req_sg:
+	dma_unmap_sg(&ha->pdev->dev,
+	    bsg_job->request_payload.sg_list,
+	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+        return rval;
+}
+
+static int
+qla84xx_reset(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	int rval = 0;
+	uint32_t flag;
+
+	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+	    test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+	    test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
+		return -EBUSY;
+
+	if (!IS_QLA84XX(ha)) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
+		   "exiting.\n", vha->host_no));
+		return -EINVAL;
+	}
+
+	flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+	rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
+
+	if (rval) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
+		    "request 84xx reset failed\n", vha->host_no));
+		rval = bsg_job->reply->reply_payload_rcv_len = 0;
+		bsg_job->reply->result = (DID_ERROR << 16);
+
+	} else {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
+		    "request 84xx reset completed\n", vha->host_no));
+		bsg_job->reply->result = DID_OK;
+	}
+
+	bsg_job->job_done(bsg_job);
+	return rval;
+}
+
+static int
+qla84xx_updatefw(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	struct verify_chip_entry_84xx *mn = NULL;
+	dma_addr_t mn_dma, fw_dma;
+	void *fw_buf = NULL;
+	int rval = 0;
+	uint32_t sg_cnt;
+	uint32_t data_len;
+	uint16_t options;
+	uint32_t flag;
+	uint32_t fw_ver;
+
+	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
+		return -EBUSY;
+
+	if (!IS_QLA84XX(ha)) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
+			"exiting.\n", vha->host_no));
+		return -EINVAL;
+	}
+
+	sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+	if (!sg_cnt)
+		return -ENOMEM;
+
+	if (sg_cnt != bsg_job->request_payload.sg_cnt) {
+		DEBUG2(printk(KERN_INFO
+			"dma mapping resulted in different sg counts "
+			"request_sg_cnt: %x dma_request_sg_cnt: %x ",
+			bsg_job->request_payload.sg_cnt, sg_cnt));
+		rval = -EAGAIN;
+		goto done_unmap_sg;
+	}
+
+	data_len = bsg_job->request_payload.payload_len;
+	fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
+		&fw_dma, GFP_KERNEL);
+	if (!fw_buf) {
+		DEBUG2(printk(KERN_ERR "%s: dma alloc for fw_buf "
+			"failed for host=%lu\n", __func__, vha->host_no));
+		rval = -ENOMEM;
+		goto done_unmap_sg;
+	}
+
+	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+		bsg_job->request_payload.sg_cnt, fw_buf, data_len);
+
+	mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
+	if (!mn) {
+		DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
+			"failed for host=%lu\n", __func__, vha->host_no));
+		rval = -ENOMEM;
+		goto done_free_fw_buf;
+	}
+
+	flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+	fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
+
+	memset(mn, 0, sizeof(struct access_chip_84xx));
+	mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
+	mn->entry_count = 1;
+
+	options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
+	if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
+		options |= VCO_DIAG_FW;
+
+	mn->options = cpu_to_le16(options);
+	mn->fw_ver =  cpu_to_le32(fw_ver);
+	mn->fw_size =  cpu_to_le32(data_len);
+	mn->fw_seq_size =  cpu_to_le32(data_len);
+	mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
+	mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
+	mn->dseg_length = cpu_to_le32(data_len);
+	mn->data_seg_cnt = cpu_to_le16(1);
+
+	rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
+
+	if (rval) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
+			"request 84xx updatefw failed\n", vha->host_no));
+
+		rval = bsg_job->reply->reply_payload_rcv_len = 0;
+		bsg_job->reply->result = (DID_ERROR << 16);
+
+	} else {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
+			"request 84xx updatefw completed\n", vha->host_no));
+
+		bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+		bsg_job->reply->result = DID_OK;
+	}
+
+	bsg_job->job_done(bsg_job);
+	dma_pool_free(ha->s_dma_pool, mn, mn_dma);
+
+done_free_fw_buf:
+	dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
+
+done_unmap_sg:
+	dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+
+	return rval;
+}
+
+static int
+qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	struct access_chip_84xx *mn = NULL;
+	dma_addr_t mn_dma, mgmt_dma;
+	void *mgmt_b = NULL;
+	int rval = 0;
+	struct qla_bsg_a84_mgmt *ql84_mgmt;
+	uint32_t sg_cnt;
+	uint32_t data_len;
+	uint32_t dma_direction = DMA_NONE;
+
+	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
+		return -EBUSY;
+
+	if (!IS_QLA84XX(ha)) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
+			"exiting.\n", vha->host_no));
+		return -EINVAL;
+	}
+
+	ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request +
+		sizeof(struct fc_bsg_request));
+	if (!ql84_mgmt) {
+		DEBUG2(printk("%s(%ld): mgmt header not provided, exiting.\n",
+			__func__, vha->host_no));
+		return -EINVAL;
+	}
+
+	mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
+	if (!mn) {
+		DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
+			"failed for host=%lu\n", __func__, vha->host_no));
+		return -ENOMEM;
+	}
+
+	memset(mn, 0, sizeof(struct access_chip_84xx));
+	mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
+	mn->entry_count = 1;
+
+	switch (ql84_mgmt->mgmt.cmd) {
+	case QLA84_MGMT_READ_MEM:
+	case QLA84_MGMT_GET_INFO:
+		sg_cnt = dma_map_sg(&ha->pdev->dev,
+			bsg_job->reply_payload.sg_list,
+			bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+		if (!sg_cnt) {
+			rval = -ENOMEM;
+			goto exit_mgmt;
+		}
+
+		dma_direction = DMA_FROM_DEVICE;
+
+		if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
+			DEBUG2(printk(KERN_INFO
+				"dma mapping resulted in different sg counts "
+				"reply_sg_cnt: %x dma_reply_sg_cnt: %x\n",
+				bsg_job->reply_payload.sg_cnt, sg_cnt));
+			rval = -EAGAIN;
+			goto done_unmap_sg;
+		}
+
+		data_len = bsg_job->reply_payload.payload_len;
+
+		mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
+		    &mgmt_dma, GFP_KERNEL);
+		if (!mgmt_b) {
+			DEBUG2(printk(KERN_ERR "%s: dma alloc for mgmt_b "
+				"failed for host=%lu\n",
+				__func__, vha->host_no));
+			rval = -ENOMEM;
+			goto done_unmap_sg;
+		}
+
+		if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
+			mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
+			mn->parameter1 =
+				cpu_to_le32(
+				ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
+
+		} else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
+			mn->options = cpu_to_le16(ACO_REQUEST_INFO);
+			mn->parameter1 =
+				cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
+
+			mn->parameter2 =
+				cpu_to_le32(
+				ql84_mgmt->mgmt.mgmtp.u.info.context);
+		}
+		break;
+
+	case QLA84_MGMT_WRITE_MEM:
+		sg_cnt = dma_map_sg(&ha->pdev->dev,
+			bsg_job->request_payload.sg_list,
+			bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+
+		if (!sg_cnt) {
+			rval = -ENOMEM;
+			goto exit_mgmt;
+		}
+
+		dma_direction = DMA_TO_DEVICE;
+
+		if (sg_cnt != bsg_job->request_payload.sg_cnt) {
+			DEBUG2(printk(KERN_INFO
+				"dma mapping resulted in different sg counts "
+				"request_sg_cnt: %x dma_request_sg_cnt: %x ",
+				bsg_job->request_payload.sg_cnt, sg_cnt));
+			rval = -EAGAIN;
+			goto done_unmap_sg;
+		}
+
+		data_len = bsg_job->request_payload.payload_len;
+		mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
+			&mgmt_dma, GFP_KERNEL);
+		if (!mgmt_b) {
+			DEBUG2(printk(KERN_ERR "%s: dma alloc for mgmt_b "
+				"failed for host=%lu\n",
+				__func__, vha->host_no));
+			rval = -ENOMEM;
+			goto done_unmap_sg;
+		}
+
+		sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+			bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
+
+		mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
+		mn->parameter1 =
+			cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
+		break;
+
+	case QLA84_MGMT_CHNG_CONFIG:
+		mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
+		mn->parameter1 =
+			cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
+
+		mn->parameter2 =
+			cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
+
+		mn->parameter3 =
+			cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
+		break;
+
+	default:
+		rval = -EIO;
+		goto exit_mgmt;
+	}
+
+	if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
+		mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
+		mn->dseg_count = cpu_to_le16(1);
+		mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
+		mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
+		mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
+	}
+
+	rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
+
+	if (rval) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
+			"request 84xx mgmt failed\n", vha->host_no));
+
+		rval = bsg_job->reply->reply_payload_rcv_len = 0;
+		bsg_job->reply->result = (DID_ERROR << 16);
+
+	} else {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
+			"request 84xx mgmt completed\n", vha->host_no));
+
+		bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+		bsg_job->reply->result = DID_OK;
+
+		if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
+			(ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
+			bsg_job->reply->reply_payload_rcv_len =
+				bsg_job->reply_payload.payload_len;
+
+			sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+				bsg_job->reply_payload.sg_cnt, mgmt_b, data_len);
+		}
+	}
+
+	bsg_job->job_done(bsg_job);
+	dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
+
+done_unmap_sg:
+	if (dma_direction == DMA_TO_DEVICE)
+		dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+			bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+	else if (dma_direction == DMA_FROM_DEVICE)
+		dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+			bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+
+exit_mgmt:
+	dma_pool_free(ha->s_dma_pool, mn, mn_dma);
+
+	return rval;
+}
+
+static int
+qla24xx_iidma(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	int rval = 0;
+	struct qla_port_param *port_param = NULL;
+	fc_port_t *fcport = NULL;
+	uint16_t mb[MAILBOX_REGISTER_COUNT];
+	uint8_t *rsp_ptr = NULL;
+
+	bsg_job->reply->reply_payload_rcv_len = 0;
+
+	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
+		return -EBUSY;
+
+	if (!IS_IIDMA_CAPABLE(vha->hw)) {
+		DEBUG2(qla_printk(KERN_WARNING, ha, "%s(%lu): iiDMA not "
+			"supported\n",  __func__, vha->host_no));
+		return -EINVAL;
+	}
+
+	port_param = (struct qla_port_param *)((char *)bsg_job->request +
+		sizeof(struct fc_bsg_request));
+	if (!port_param) {
+		DEBUG2(printk("%s(%ld): port_param header not provided, "
+			"exiting.\n", __func__, vha->host_no));
+		return -EINVAL;
+	}
+
+	if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
+		DEBUG2(printk(KERN_ERR "%s(%ld): Invalid destination type\n",
+			__func__, vha->host_no));
+		return -EINVAL;
+	}
+
+	list_for_each_entry(fcport, &vha->vp_fcports, list) {
+		if (fcport->port_type != FCT_TARGET)
+			continue;
+
+		if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
+			fcport->port_name, sizeof(fcport->port_name)))
+			continue;
+		break;
+	}
+
+	if (!fcport) {
+		DEBUG2(printk(KERN_ERR "%s(%ld): Failed to find port\n",
+			__func__, vha->host_no));
+		return -EINVAL;
+	}
+
+	if (port_param->mode)
+		rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
+			port_param->speed, mb);
+	else
+		rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
+			&port_param->speed, mb);
+
+	if (rval) {
+		DEBUG16(printk(KERN_ERR "scsi(%ld): iIDMA cmd failed for "
+			"%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
+			vha->host_no, fcport->port_name[0],
+			fcport->port_name[1],
+			fcport->port_name[2], fcport->port_name[3],
+			fcport->port_name[4], fcport->port_name[5],
+			fcport->port_name[6], fcport->port_name[7], rval,
+			fcport->fp_speed, mb[0], mb[1]));
+		rval = 0;
+		bsg_job->reply->result = (DID_ERROR << 16);
+
+	} else {
+		if (!port_param->mode) {
+			bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
+				sizeof(struct qla_port_param);
+
+			rsp_ptr = ((uint8_t *)bsg_job->reply) +
+				sizeof(struct fc_bsg_reply);
+
+			memcpy(rsp_ptr, port_param,
+				sizeof(struct qla_port_param));
+		}
+
+		bsg_job->reply->result = DID_OK;
+	}
+
+	bsg_job->job_done(bsg_job);
+	return rval;
+}
+
+static int
+qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
+{
+	switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
+	case QL_VND_LOOPBACK:
+		return qla2x00_process_loopback(bsg_job);
+
+	case QL_VND_A84_RESET:
+		return qla84xx_reset(bsg_job);
+
+	case QL_VND_A84_UPDATE_FW:
+		return qla84xx_updatefw(bsg_job);
+
+	case QL_VND_A84_MGMT_CMD:
+		return qla84xx_mgmt_cmd(bsg_job);
+
+	case QL_VND_IIDMA:
+		return qla24xx_iidma(bsg_job);
+
+	default:
+		bsg_job->reply->result = (DID_ERROR << 16);
+		bsg_job->job_done(bsg_job);
+		return -ENOSYS;
+	}
+}
+
+int
+qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
+{
+	int ret = -EINVAL;
+
+	switch (bsg_job->request->msgcode) {
+	case FC_BSG_RPT_ELS:
+	case FC_BSG_HST_ELS_NOLOGIN:
+		ret = qla2x00_process_els(bsg_job);
+		break;
+	case FC_BSG_HST_CT:
+		ret = qla2x00_process_ct(bsg_job);
+		break;
+	case FC_BSG_HST_VENDOR:
+		ret = qla2x00_process_vendor_specific(bsg_job);
+		break;
+	case FC_BSG_HST_ADD_RPORT:
+	case FC_BSG_HST_DEL_RPORT:
+	case FC_BSG_RPT_CT:
+	default:
+		DEBUG2(printk("qla2xxx: unsupported BSG request\n"));
+		break;
+        }
+	return ret;
+}
+
+int
+qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
+{
+	scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
+	struct qla_hw_data *ha = vha->hw;
+	srb_t *sp;
+	int cnt, que;
+	unsigned long flags;
+	struct req_que *req;
+	struct srb_bsg *sp_bsg;
+
+	/* find the bsg job from the active list of commands */
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	for (que = 0; que < ha->max_req_queues; que++) {
+		req = ha->req_q_map[que];
+		if (!req)
+			continue;
+
+		for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++ ) {
+			sp = req->outstanding_cmds[cnt];
+
+			if (sp) {
+				sp_bsg = (struct srb_bsg*)sp->ctx;
+
+				if (((sp_bsg->ctx.type == SRB_CT_CMD) ||
+					(sp_bsg->ctx.type == SRB_ELS_CMD_HST))
+					&& (sp_bsg->bsg_job == bsg_job)) {
+					if (ha->isp_ops->abort_command(sp)) {
+						DEBUG2(qla_printk(KERN_INFO, ha,
+						"scsi(%ld): mbx abort_command failed\n", vha->host_no));
+						bsg_job->req->errors =
+						bsg_job->reply->result = -EIO;
+					} else {
+						DEBUG2(qla_printk(KERN_INFO, ha,
+						"scsi(%ld): mbx abort_command success\n", vha->host_no));
+						bsg_job->req->errors =
+						bsg_job->reply->result = 0;
+					}
+					goto done;
+				}
+			}
+		}
+	}
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	DEBUG2(qla_printk(KERN_INFO, ha,
+		"scsi(%ld) SRB not found to abort\n", vha->host_no));
+	bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
+	return 0;
+
+done:
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	if (bsg_job->request->msgcode == FC_BSG_HST_CT)
+		kfree(sp->fcport);
+	kfree(sp->ctx);
+	mempool_free(sp, ha->srb_mempool);
+	return 0;
+}
diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h
new file mode 100644
index 00000000000..76ed92dd2ef
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_bsg.h
@@ -0,0 +1,135 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2008 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#ifndef __QLA_BSG_H
+#define __QLA_BSG_H
+
+/* BSG Vendor specific commands */
+#define QL_VND_LOOPBACK		0x01
+#define QL_VND_A84_RESET	0x02
+#define QL_VND_A84_UPDATE_FW	0x03
+#define QL_VND_A84_MGMT_CMD	0x04
+#define QL_VND_IIDMA		0x05
+#define QL_VND_FCP_PRIO_CFG_CMD	0x06
+
+/* BSG definations for interpreting CommandSent field */
+#define INT_DEF_LB_LOOPBACK_CMD         0
+#define INT_DEF_LB_ECHO_CMD             1
+
+/* BSG Vendor specific definations */
+#define A84_ISSUE_WRITE_TYPE_CMD        0
+#define A84_ISSUE_READ_TYPE_CMD         1
+#define A84_CLEANUP_CMD                 2
+#define A84_ISSUE_RESET_OP_FW           3
+#define A84_ISSUE_RESET_DIAG_FW         4
+#define A84_ISSUE_UPDATE_OPFW_CMD       5
+#define A84_ISSUE_UPDATE_DIAGFW_CMD     6
+
+struct qla84_mgmt_param {
+	union {
+		struct {
+			uint32_t start_addr;
+		} mem; /* for QLA84_MGMT_READ/WRITE_MEM */
+		struct {
+			uint32_t id;
+#define QLA84_MGMT_CONFIG_ID_UIF        1
+#define QLA84_MGMT_CONFIG_ID_FCOE_COS   2
+#define QLA84_MGMT_CONFIG_ID_PAUSE      3
+#define QLA84_MGMT_CONFIG_ID_TIMEOUTS   4
+
+		uint32_t param0;
+		uint32_t param1;
+	} config; /* for QLA84_MGMT_CHNG_CONFIG */
+
+	struct {
+		uint32_t type;
+#define QLA84_MGMT_INFO_CONFIG_LOG_DATA         1 /* Get Config Log Data */
+#define QLA84_MGMT_INFO_LOG_DATA                2 /* Get Log Data */
+#define QLA84_MGMT_INFO_PORT_STAT               3 /* Get Port Statistics */
+#define QLA84_MGMT_INFO_LIF_STAT                4 /* Get LIF Statistics  */
+#define QLA84_MGMT_INFO_ASIC_STAT               5 /* Get ASIC Statistics */
+#define QLA84_MGMT_INFO_CONFIG_PARAMS           6 /* Get Config Parameters */
+#define QLA84_MGMT_INFO_PANIC_LOG               7 /* Get Panic Log */
+
+		uint32_t context;
+/*
+* context definitions for QLA84_MGMT_INFO_CONFIG_LOG_DATA
+*/
+#define IC_LOG_DATA_LOG_ID_DEBUG_LOG                    0
+#define IC_LOG_DATA_LOG_ID_LEARN_LOG                    1
+#define IC_LOG_DATA_LOG_ID_FC_ACL_INGRESS_LOG           2
+#define IC_LOG_DATA_LOG_ID_FC_ACL_EGRESS_LOG            3
+#define IC_LOG_DATA_LOG_ID_ETHERNET_ACL_INGRESS_LOG     4
+#define IC_LOG_DATA_LOG_ID_ETHERNET_ACL_EGRESS_LOG      5
+#define IC_LOG_DATA_LOG_ID_MESSAGE_TRANSMIT_LOG         6
+#define IC_LOG_DATA_LOG_ID_MESSAGE_RECEIVE_LOG          7
+#define IC_LOG_DATA_LOG_ID_LINK_EVENT_LOG               8
+#define IC_LOG_DATA_LOG_ID_DCX_LOG                      9
+
+/*
+* context definitions for QLA84_MGMT_INFO_PORT_STAT
+*/
+#define IC_PORT_STATISTICS_PORT_NUMBER_ETHERNET_PORT0   0
+#define IC_PORT_STATISTICS_PORT_NUMBER_ETHERNET_PORT1   1
+#define IC_PORT_STATISTICS_PORT_NUMBER_NSL_PORT0        2
+#define IC_PORT_STATISTICS_PORT_NUMBER_NSL_PORT1        3
+#define IC_PORT_STATISTICS_PORT_NUMBER_FC_PORT0         4
+#define IC_PORT_STATISTICS_PORT_NUMBER_FC_PORT1         5
+
+
+/*
+* context definitions for QLA84_MGMT_INFO_LIF_STAT
+*/
+#define IC_LIF_STATISTICS_LIF_NUMBER_ETHERNET_PORT0     0
+#define IC_LIF_STATISTICS_LIF_NUMBER_ETHERNET_PORT1     1
+#define IC_LIF_STATISTICS_LIF_NUMBER_FC_PORT0           2
+#define IC_LIF_STATISTICS_LIF_NUMBER_FC_PORT1           3
+#define IC_LIF_STATISTICS_LIF_NUMBER_CPU                6
+
+		} info; /* for QLA84_MGMT_GET_INFO */
+	} u;
+};
+
+struct qla84_msg_mgmt {
+	uint16_t cmd;
+#define QLA84_MGMT_READ_MEM     0x00
+#define QLA84_MGMT_WRITE_MEM    0x01
+#define QLA84_MGMT_CHNG_CONFIG  0x02
+#define QLA84_MGMT_GET_INFO     0x03
+	uint16_t rsrvd;
+	struct qla84_mgmt_param mgmtp;/* parameters for cmd */
+	uint32_t len; /* bytes in payload following this struct */
+	uint8_t payload[0]; /* payload for cmd */
+};
+
+struct qla_bsg_a84_mgmt {
+	struct qla84_msg_mgmt mgmt;
+} __attribute__ ((packed));
+
+struct qla_scsi_addr {
+	uint16_t bus;
+	uint16_t target;
+} __attribute__ ((packed));
+
+struct qla_ext_dest_addr {
+	union {
+		uint8_t wwnn[8];
+		uint8_t wwpn[8];
+		uint8_t id[4];
+		struct qla_scsi_addr scsi_addr;
+	} dest_addr;
+	uint16_t dest_type;
+#define	EXT_DEF_TYPE_WWPN	2
+	uint16_t lun;
+	uint16_t padding[2];
+} __attribute__ ((packed));
+
+struct qla_port_param {
+	struct qla_ext_dest_addr fc_scsi_addr;
+	uint16_t mode;
+	uint16_t speed;
+} __attribute__ ((packed));
+#endif
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index afa95614aaf..608397bf7e0 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -33,6 +33,7 @@
 #include <scsi/scsi_transport_fc.h>
 #include <scsi/scsi_bsg_fc.h>
 
+#include "qla_bsg.h"
 #define QLA2XXX_DRIVER_NAME  "qla2xxx"
 
 /*
@@ -2797,128 +2798,4 @@ typedef struct scsi_qla_host {
 #include "qla_inline.h"
 
 #define CMD_SP(Cmnd)		((Cmnd)->SCp.ptr)
-
-/*
- * BSG Vendor specific commands
- */
-
-#define QL_VND_LOOPBACK		0x01
-#define QLA84_RESET		0x02
-#define QLA84_UPDATE_FW		0x03
-#define QLA84_MGMT_CMD		0x04
-
-/* BSG definations for interpreting CommandSent field */
-#define INT_DEF_LB_LOOPBACK_CMD         0
-#define INT_DEF_LB_ECHO_CMD             1
-
-/* BSG Vendor specific definations */
-typedef struct _A84_RESET {
-	uint16_t Flags;
-	uint16_t Reserved;
-#define A84_RESET_FLAG_ENABLE_DIAG_FW   1
-} __attribute__((packed)) A84_RESET, *PA84_RESET;
-
-#define A84_ISSUE_WRITE_TYPE_CMD        0
-#define A84_ISSUE_READ_TYPE_CMD         1
-#define A84_CLEANUP_CMD                 2
-#define A84_ISSUE_RESET_OP_FW           3
-#define A84_ISSUE_RESET_DIAG_FW         4
-#define A84_ISSUE_UPDATE_OPFW_CMD       5
-#define A84_ISSUE_UPDATE_DIAGFW_CMD     6
-
-struct qla84_mgmt_param {
-	union {
-		struct {
-			uint32_t start_addr;
-		} mem; /* for QLA84_MGMT_READ/WRITE_MEM */
-		struct {
-			uint32_t id;
-#define QLA84_MGMT_CONFIG_ID_UIF        1
-#define QLA84_MGMT_CONFIG_ID_FCOE_COS   2
-#define QLA84_MGMT_CONFIG_ID_PAUSE      3
-#define QLA84_MGMT_CONFIG_ID_TIMEOUTS   4
-
-		uint32_t param0;
-		uint32_t param1;
-	} config; /* for QLA84_MGMT_CHNG_CONFIG */
-
-	struct {
-		uint32_t type;
-#define QLA84_MGMT_INFO_CONFIG_LOG_DATA         1 /* Get Config Log Data */
-#define QLA84_MGMT_INFO_LOG_DATA                2 /* Get Log Data */
-#define QLA84_MGMT_INFO_PORT_STAT               3 /* Get Port Statistics */
-#define QLA84_MGMT_INFO_LIF_STAT                4 /* Get LIF Statistics  */
-#define QLA84_MGMT_INFO_ASIC_STAT               5 /* Get ASIC Statistics */
-#define QLA84_MGMT_INFO_CONFIG_PARAMS           6 /* Get Config Parameters */
-#define QLA84_MGMT_INFO_PANIC_LOG               7 /* Get Panic Log */
-
-		uint32_t context;
-/*
-* context definitions for QLA84_MGMT_INFO_CONFIG_LOG_DATA
-*/
-#define IC_LOG_DATA_LOG_ID_DEBUG_LOG                    0
-#define IC_LOG_DATA_LOG_ID_LEARN_LOG                    1
-#define IC_LOG_DATA_LOG_ID_FC_ACL_INGRESS_LOG           2
-#define IC_LOG_DATA_LOG_ID_FC_ACL_EGRESS_LOG            3
-#define IC_LOG_DATA_LOG_ID_ETHERNET_ACL_INGRESS_LOG     4
-#define IC_LOG_DATA_LOG_ID_ETHERNET_ACL_EGRESS_LOG      5
-#define IC_LOG_DATA_LOG_ID_MESSAGE_TRANSMIT_LOG         6
-#define IC_LOG_DATA_LOG_ID_MESSAGE_RECEIVE_LOG          7
-#define IC_LOG_DATA_LOG_ID_LINK_EVENT_LOG               8
-#define IC_LOG_DATA_LOG_ID_DCX_LOG                      9
-
-/*
-* context definitions for QLA84_MGMT_INFO_PORT_STAT
-*/
-#define IC_PORT_STATISTICS_PORT_NUMBER_ETHERNET_PORT0   0
-#define IC_PORT_STATISTICS_PORT_NUMBER_ETHERNET_PORT1   1
-#define IC_PORT_STATISTICS_PORT_NUMBER_NSL_PORT0        2
-#define IC_PORT_STATISTICS_PORT_NUMBER_NSL_PORT1        3
-#define IC_PORT_STATISTICS_PORT_NUMBER_FC_PORT0         4
-#define IC_PORT_STATISTICS_PORT_NUMBER_FC_PORT1         5
-
-
-/*
-* context definitions for QLA84_MGMT_INFO_LIF_STAT
-*/
-#define IC_LIF_STATISTICS_LIF_NUMBER_ETHERNET_PORT0     0
-#define IC_LIF_STATISTICS_LIF_NUMBER_ETHERNET_PORT1     1
-#define IC_LIF_STATISTICS_LIF_NUMBER_FC_PORT0           2
-#define IC_LIF_STATISTICS_LIF_NUMBER_FC_PORT1           3
-#define IC_LIF_STATISTICS_LIF_NUMBER_CPU                6
-
-		} info; /* for QLA84_MGMT_GET_INFO */
-	} u;
-};
-
-struct qla84_msg_mgmt {
-	uint16_t cmd;
-#define QLA84_MGMT_READ_MEM     0x00
-#define QLA84_MGMT_WRITE_MEM    0x01
-#define QLA84_MGMT_CHNG_CONFIG  0x02
-#define QLA84_MGMT_GET_INFO     0x03
-	uint16_t rsrvd;
-	struct qla84_mgmt_param mgmtp;/* parameters for cmd */
-	uint32_t len; /* bytes in payload following this struct */
-	uint8_t payload[0]; /* payload for cmd */
-};
-
-struct msg_update_fw {
-	/*
-	* diag_fw = 0  operational fw
-	*      otherwise diagnostic fw
-	* offset, len, fw_len are present to overcome the current limitation
-	* of 128Kb xfer size. The fw is sent in smaller chunks. Each chunk
-	* specifies the byte "offset" where it fits in the fw buffer. The
-	* number of bytes in each chunk is specified in "len". "fw_len"
-	* is the total size of fw. The first chunk should start at offset = 0.
-	* When offset+len == fw_len, the fw is written to the HBA.
-	*/
-	uint32_t diag_fw;
-	uint32_t offset;/* start offset */
-	uint32_t len;   /* num bytes in cur xfer */
-	uint32_t fw_len; /* size of fw in bytes */
-	uint8_t fw_bytes[0];
-};
-
 #endif
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 3a89bc514e2..c1f1736dcda 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -459,4 +459,12 @@ extern void qla25xx_wrt_req_reg(struct qla_hw_data *, uint16_t, uint16_t);
 extern void qla25xx_wrt_rsp_reg(struct qla_hw_data *, uint16_t, uint16_t);
 extern void qla24xx_wrt_rsp_reg(struct qla_hw_data *, uint16_t, uint16_t);
 
+/* BSG related functions */
+extern int qla24xx_bsg_request(struct fc_bsg_job *);
+extern int qla24xx_bsg_timeout(struct fc_bsg_job *);
+extern int qla84xx_reset_chip(scsi_qla_host_t *, uint16_t);
+extern int qla2x00_issue_iocb_timeout(scsi_qla_host_t *, void *,
+	dma_addr_t, size_t, uint32_t);
+extern int qla2x00_get_idma_speed(scsi_qla_host_t *, uint16_t,
+	uint16_t *, uint16_t *);
 #endif /* _QLA_GBL_H */
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 42eb7ffd594..7f3bc45d2e2 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -711,7 +711,7 @@ qla2x00_verify_checksum(scsi_qla_host_t *vha, uint32_t risc_addr)
  * Context:
  *	Kernel context.
  */
-static int
+int
 qla2x00_issue_iocb_timeout(scsi_qla_host_t *vha, void *buffer,
     dma_addr_t phys_addr, size_t size, uint32_t tov)
 {
@@ -2739,6 +2739,48 @@ qla2x00_read_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint16_t addr,
 	return rval;
 }
 
+int
+qla2x00_get_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
+	uint16_t *port_speed, uint16_t *mb)
+{
+	int rval;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+
+	if (!IS_IIDMA_CAPABLE(vha->hw))
+		return QLA_FUNCTION_FAILED;
+
+	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
+
+	mcp->mb[0] = MBC_PORT_PARAMS;
+	mcp->mb[1] = loop_id;
+	mcp->mb[2] = mcp->mb[3] = 0;
+	mcp->mb[9] = vha->vp_idx;
+	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
+	mcp->in_mb = MBX_3|MBX_1|MBX_0;
+	mcp->tov = MBX_TOV_SECONDS;
+	mcp->flags = 0;
+	rval = qla2x00_mailbox_command(vha, mcp);
+
+	/* Return mailbox statuses. */
+	if (mb != NULL) {
+		mb[0] = mcp->mb[0];
+		mb[1] = mcp->mb[1];
+		mb[3] = mcp->mb[3];
+	}
+
+	if (rval != QLA_SUCCESS) {
+		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
+		    vha->host_no, rval));
+	} else {
+		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
+		if (port_speed)
+			*port_speed = mcp->mb[3];
+	}
+
+	return rval;
+}
+
 int
 qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
     uint16_t port_speed, uint16_t *mb)
@@ -3764,8 +3806,7 @@ qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, uint16_t *mres
 	return rval;
 }
 int
-qla84xx_reset_chip(scsi_qla_host_t *ha, uint16_t enable_diagnostic,
-    uint16_t *cmd_status)
+qla84xx_reset_chip(scsi_qla_host_t *ha, uint16_t enable_diagnostic)
 {
 	int rval;
 	mbx_cmd_t mc;
@@ -3782,8 +3823,6 @@ qla84xx_reset_chip(scsi_qla_host_t *ha, uint16_t enable_diagnostic,
 	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
-	/* Return mailbox statuses. */
-	*cmd_status = mcp->mb[0];
 	if (rval != QLA_SUCCESS)
 		DEBUG16(printk("%s(%ld): failed=%x.\n", __func__, ha->host_no,
 			rval));

From 09ff701a177b116c6c15b6e501e58fbfb306b424 Mon Sep 17 00:00:00 2001
From: Sarang Radke <sarang.radke@qlogic.com>
Date: Fri, 19 Mar 2010 17:03:59 -0700
Subject: [PATCH 0346/3638] [SCSI] qla2xxx: Add APEX support.

Allows priority setting for FCP_CMNDs.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_bsg.c  | 163 +++++++++++++++++++++++++++++++
 drivers/scsi/qla2xxx/qla_def.h  |   7 ++
 drivers/scsi/qla2xxx/qla_fw.h   |  59 +++++++++++
 drivers/scsi/qla2xxx/qla_gbl.h  |   9 +-
 drivers/scsi/qla2xxx/qla_init.c | 168 ++++++++++++++++++++++++++++++++
 drivers/scsi/qla2xxx/qla_mbx.c  |  47 +++++++++
 drivers/scsi/qla2xxx/qla_sup.c  |  69 ++++++++++++-
 7 files changed, 518 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index c20292fde72..3c3a86ca6cb 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -35,6 +35,166 @@ done:
 	return sp;
 }
 
+int
+qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
+{
+	int i, ret, num_valid;
+	uint8_t *bcode;
+	struct qla_fcp_prio_entry *pri_entry;
+
+	ret = 1;
+	num_valid = 0;
+	bcode = (uint8_t *)pri_cfg;
+
+	if (bcode[0x0] != 'H' || bcode[0x1] != 'Q' || bcode[0x2] != 'O' ||
+			bcode[0x3] != 'S') {
+		return 0;
+	}
+	if (flag != 1)
+		return ret;
+
+	pri_entry = &pri_cfg->entry[0];
+	for (i = 0; i < pri_cfg->num_entries; i++) {
+		if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
+			num_valid++;
+		pri_entry++;
+	}
+
+	if (num_valid == 0)
+		ret = 0;
+
+	return ret;
+}
+
+static int
+qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	int ret = 0;
+	uint32_t len;
+	uint32_t oper;
+
+	bsg_job->reply->reply_payload_rcv_len = 0;
+
+	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+		ret = -EBUSY;
+		goto exit_fcp_prio_cfg;
+	}
+
+	/* Get the sub command */
+	oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+	/* Only set config is allowed if config memory is not allocated */
+	if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
+		ret = -EINVAL;
+		goto exit_fcp_prio_cfg;
+	}
+	switch (oper) {
+	case QLFC_FCP_PRIO_DISABLE:
+		if (ha->flags.fcp_prio_enabled) {
+			ha->flags.fcp_prio_enabled = 0;
+			ha->fcp_prio_cfg->attributes &=
+				~FCP_PRIO_ATTR_ENABLE;
+			qla24xx_update_all_fcp_prio(vha);
+			bsg_job->reply->result = DID_OK;
+		} else {
+			ret = -EINVAL;
+			bsg_job->reply->result = (DID_ERROR << 16);
+			goto exit_fcp_prio_cfg;
+		}
+		break;
+
+	case QLFC_FCP_PRIO_ENABLE:
+		if (!ha->flags.fcp_prio_enabled) {
+			if (ha->fcp_prio_cfg) {
+				ha->flags.fcp_prio_enabled = 1;
+				ha->fcp_prio_cfg->attributes |=
+				    FCP_PRIO_ATTR_ENABLE;
+				qla24xx_update_all_fcp_prio(vha);
+				bsg_job->reply->result = DID_OK;
+			} else {
+				ret = -EINVAL;
+				bsg_job->reply->result = (DID_ERROR << 16);
+				goto exit_fcp_prio_cfg;
+			}
+		}
+		break;
+
+	case QLFC_FCP_PRIO_GET_CONFIG:
+		len = bsg_job->reply_payload.payload_len;
+		if (!len || len > FCP_PRIO_CFG_SIZE) {
+			ret = -EINVAL;
+			bsg_job->reply->result = (DID_ERROR << 16);
+			goto exit_fcp_prio_cfg;
+		}
+
+		bsg_job->reply->result = DID_OK;
+		bsg_job->reply->reply_payload_rcv_len =
+			sg_copy_from_buffer(
+			bsg_job->reply_payload.sg_list,
+			bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
+			len);
+
+		break;
+
+	case QLFC_FCP_PRIO_SET_CONFIG:
+		len = bsg_job->request_payload.payload_len;
+		if (!len || len > FCP_PRIO_CFG_SIZE) {
+			bsg_job->reply->result = (DID_ERROR << 16);
+			ret = -EINVAL;
+			goto exit_fcp_prio_cfg;
+		}
+
+		if (!ha->fcp_prio_cfg) {
+			ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
+			if (!ha->fcp_prio_cfg) {
+				qla_printk(KERN_WARNING, ha,
+					"Unable to allocate memory "
+					"for fcp prio config data (%x).\n",
+					FCP_PRIO_CFG_SIZE);
+				bsg_job->reply->result = (DID_ERROR << 16);
+				ret = -ENOMEM;
+				goto exit_fcp_prio_cfg;
+			}
+		}
+
+		memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
+		sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+		bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
+			FCP_PRIO_CFG_SIZE);
+
+		/* validate fcp priority data */
+		if (!qla24xx_fcp_prio_cfg_valid(
+			(struct qla_fcp_prio_cfg *)
+			ha->fcp_prio_cfg, 1)) {
+			bsg_job->reply->result = (DID_ERROR << 16);
+			ret = -EINVAL;
+			/* If buffer was invalidatic int
+			 * fcp_prio_cfg is of no use
+			 */
+			vfree(ha->fcp_prio_cfg);
+			ha->fcp_prio_cfg = NULL;
+			goto exit_fcp_prio_cfg;
+		}
+
+		ha->flags.fcp_prio_enabled = 0;
+		if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
+			ha->flags.fcp_prio_enabled = 1;
+		qla24xx_update_all_fcp_prio(vha);
+		bsg_job->reply->result = DID_OK;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+exit_fcp_prio_cfg:
+	bsg_job->job_done(bsg_job);
+	return ret;
+}
 static int
 qla2x00_process_els(struct fc_bsg_job *bsg_job)
 {
@@ -948,6 +1108,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
 	case QL_VND_IIDMA:
 		return qla24xx_iidma(bsg_job);
 
+	case QL_VND_FCP_PRIO_CFG_CMD:
+		return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
+
 	default:
 		bsg_job->reply->result = (DID_ERROR << 16);
 		bsg_job->job_done(bsg_job);
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 608397bf7e0..c51bd4e5fb4 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1580,6 +1580,8 @@ typedef struct fc_port {
 	uint16_t loop_id;
 	uint16_t old_loop_id;
 
+	uint8_t fcp_prio;
+
 	uint8_t fabric_port_name[WWN_SIZE];
 	uint16_t fp_speed;
 
@@ -2296,6 +2298,7 @@ struct qla_hw_data {
 		uint32_t	eeh_busy		:1;
 		uint32_t	cpu_affinity_enabled	:1;
 		uint32_t	disable_msix_handshake	:1;
+		uint32_t	fcp_prio_enabled	:1;
 	} flags;
 
 	/* This spinlock is used to protect "io transactions", you must
@@ -2599,6 +2602,7 @@ struct qla_hw_data {
 	uint32_t        flt_region_nvram;
 	uint32_t        flt_region_npiv_conf;
 	uint32_t	flt_region_gold_fw;
+	uint32_t	flt_region_fcp_prio;
 
 	/* Needed for BEACON */
 	uint16_t        beacon_blink_led;
@@ -2627,6 +2631,9 @@ struct qla_hw_data {
 	struct isp_operations *isp_ops;
 	struct workqueue_struct *wq;
 	struct qlfc_fw fw_buf;
+
+	/* FCP_CMND priority support */
+	struct qla_fcp_prio_cfg *fcp_prio_cfg;
 };
 
 /*
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index 42c5587cc50..a77a2471eaf 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -841,6 +841,8 @@ struct device_reg_24xx {
 #define FA_HW_EVENT_ENTRY_SIZE	4
 #define FA_NPIV_CONF0_ADDR	0x5C000
 #define FA_NPIV_CONF1_ADDR	0x5D000
+#define FA_FCP_PRIO0_ADDR	0x10000
+#define FA_FCP_PRIO1_ADDR	0x12000
 
 /*
  * Flash Error Log Event Codes.
@@ -1274,6 +1276,8 @@ struct qla_flt_header {
 #define FLT_REG_NPIV_CONF_0	0x29
 #define FLT_REG_NPIV_CONF_1	0x2a
 #define FLT_REG_GOLD_FW		0x2f
+#define FLT_REG_FCP_PRIO_0	0x87
+#define FLT_REG_FCP_PRIO_1	0x88
 
 struct qla_flt_region {
 	uint32_t code;
@@ -1750,6 +1754,61 @@ struct ex_init_cb_81xx {
 #define FARX_ACCESS_FLASH_CONF_81XX	0x7FFD0000
 #define FARX_ACCESS_FLASH_DATA_81XX	0x7F800000
 
+/* FCP priority config defines *************************************/
+/* operations */
+#define QLFC_FCP_PRIO_DISABLE           0x0
+#define QLFC_FCP_PRIO_ENABLE            0x1
+#define QLFC_FCP_PRIO_GET_CONFIG        0x2
+#define QLFC_FCP_PRIO_SET_CONFIG        0x3
+
+struct qla_fcp_prio_entry {
+	uint16_t flags;         /* Describes parameter(s) in FCP        */
+	/* priority entry that are valid        */
+#define FCP_PRIO_ENTRY_VALID            0x1
+#define FCP_PRIO_ENTRY_TAG_VALID        0x2
+#define FCP_PRIO_ENTRY_SPID_VALID       0x4
+#define FCP_PRIO_ENTRY_DPID_VALID       0x8
+#define FCP_PRIO_ENTRY_LUNB_VALID       0x10
+#define FCP_PRIO_ENTRY_LUNE_VALID       0x20
+#define FCP_PRIO_ENTRY_SWWN_VALID       0x40
+#define FCP_PRIO_ENTRY_DWWN_VALID       0x80
+	uint8_t  tag;           /* Priority value                   */
+	uint8_t  reserved;      /* Reserved for future use          */
+	uint32_t src_pid;       /* Src port id. high order byte     */
+				/* unused; -1 (wild card)           */
+	uint32_t dst_pid;       /* Src port id. high order byte     */
+	/* unused; -1 (wild card)           */
+	uint16_t lun_beg;       /* 1st lun num of lun range.        */
+				/* -1 (wild card)                   */
+	uint16_t lun_end;       /* 2nd lun num of lun range.        */
+				/* -1 (wild card)                   */
+	uint8_t  src_wwpn[8];   /* Source WWPN: -1 (wild card)      */
+	uint8_t  dst_wwpn[8];   /* Destination WWPN: -1 (wild card) */
+};
+
+struct qla_fcp_prio_cfg {
+	uint8_t  signature[4];  /* "HQOS" signature of config data  */
+	uint16_t version;       /* 1: Initial version               */
+	uint16_t length;        /* config data size in num bytes    */
+	uint16_t checksum;      /* config data bytes checksum       */
+	uint16_t num_entries;   /* Number of entries                */
+	uint16_t size_of_entry; /* Size of each entry in num bytes  */
+	uint8_t  attributes;    /* enable/disable, persistence      */
+#define FCP_PRIO_ATTR_DISABLE   0x0
+#define FCP_PRIO_ATTR_ENABLE    0x1
+#define FCP_PRIO_ATTR_PERSIST   0x2
+	uint8_t  reserved;      /* Reserved for future use          */
+#define FCP_PRIO_CFG_HDR_SIZE   0x10
+	struct qla_fcp_prio_entry entry[1];     /* fcp priority entries  */
+#define FCP_PRIO_CFG_ENTRY_SIZE 0x20
+};
+
+#define FCP_PRIO_CFG_SIZE       (32*1024) /* fcp prio data per port*/
+
+/* 25XX Support ****************************************************/
+#define FA_FCP_PRIO0_ADDR_25	0x3C000
+#define FA_FCP_PRIO1_ADDR_25	0x3E000
+
 /* 81XX Flash locations -- occupies second 2MB region. */
 #define FA_BOOT_CODE_ADDR_81	0x80000
 #define FA_RISC_CODE_ADDR_81	0xA0000
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index c1f1736dcda..5efd4c05c79 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -328,6 +328,9 @@ extern int
 qla2x00_write_ram_word(scsi_qla_host_t *, uint32_t, uint32_t);
 
 extern int qla2x00_get_data_rate(scsi_qla_host_t *);
+extern int qla24xx_set_fcp_prio(scsi_qla_host_t *, uint16_t, uint16_t,
+	uint16_t *);
+
 /*
  * Global Function Prototypes in qla_isr.c source file.
  */
@@ -384,6 +387,7 @@ extern int qla2xxx_get_flash_info(scsi_qla_host_t *);
 extern int qla2xxx_get_vpd_field(scsi_qla_host_t *, char *, char *, size_t);
 
 extern void qla2xxx_flash_npiv_conf(scsi_qla_host_t *);
+extern int qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *);
 
 /*
  * Global Function Prototypes in qla_dbg.c source file.
@@ -430,7 +434,10 @@ extern void qla2x00_init_host_attr(scsi_qla_host_t *);
 extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
 extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
 extern int qla2x00_loopback_test(scsi_qla_host_t *, struct msg_echo_lb *, uint16_t *);
-extern int qla2x00_echo_test(scsi_qla_host_t *, struct msg_echo_lb *, uint16_t *);
+extern int qla2x00_echo_test(scsi_qla_host_t *,
+	struct msg_echo_lb *, uint16_t *);
+extern int qla24xx_update_all_fcp_prio(scsi_qla_host_t *);
+extern int qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *, uint8_t);
 
 /*
  * Global Function Prototypes in qla_dfs.c source file.
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 4229bb483c5..e7fe11486bb 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -349,6 +349,12 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 		}
 	}
 
+	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) {
+		if (qla24xx_read_fcp_prio_cfg(vha))
+			qla_printk(KERN_ERR, ha,
+			"Unable to read FCP priority data.\n");
+	}
+
 	return (rval);
 }
 
@@ -4905,3 +4911,165 @@ qla81xx_update_fw_options(scsi_qla_host_t *vha)
 	ha->fw_options[2] |= BIT_9;
 	qla2x00_set_fw_options(vha, ha->fw_options);
 }
+
+/*
+ * qla24xx_get_fcp_prio
+ *	Gets the fcp cmd priority value for the logged in port.
+ *	Looks for a match of the port descriptors within
+ *	each of the fcp prio config entries. If a match is found,
+ *	the tag (priority) value is returned.
+ *
+ * Input:
+ *	ha = adapter block po
+ *	fcport = port structure pointer.
+ *
+ * Return:
+ * 	non-zero (if found)
+ * 	0 (if not found)
+ *
+ * Context:
+ * 	Kernel context
+ */
+uint8_t
+qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+	int i, entries;
+	uint8_t pid_match, wwn_match;
+	uint8_t priority;
+	uint32_t pid1, pid2;
+	uint64_t wwn1, wwn2;
+	struct qla_fcp_prio_entry *pri_entry;
+	struct qla_hw_data *ha = vha->hw;
+
+	if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
+		return 0;
+
+	priority = 0;
+	entries = ha->fcp_prio_cfg->num_entries;
+	pri_entry = &ha->fcp_prio_cfg->entry[0];
+
+	for (i = 0; i < entries; i++) {
+		pid_match = wwn_match = 0;
+
+		if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
+			pri_entry++;
+			continue;
+		}
+
+		/* check source pid for a match */
+		if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
+			pid1 = pri_entry->src_pid & INVALID_PORT_ID;
+			pid2 = vha->d_id.b24 & INVALID_PORT_ID;
+			if (pid1 == INVALID_PORT_ID)
+				pid_match++;
+			else if (pid1 == pid2)
+				pid_match++;
+		}
+
+		/* check destination pid for a match */
+		if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
+			pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
+			pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
+			if (pid1 == INVALID_PORT_ID)
+				pid_match++;
+			else if (pid1 == pid2)
+				pid_match++;
+		}
+
+		/* check source WWN for a match */
+		if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
+			wwn1 = wwn_to_u64(vha->port_name);
+			wwn2 = wwn_to_u64(pri_entry->src_wwpn);
+			if (wwn2 == (uint64_t)-1)
+				wwn_match++;
+			else if (wwn1 == wwn2)
+				wwn_match++;
+		}
+
+		/* check destination WWN for a match */
+		if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
+			wwn1 = wwn_to_u64(fcport->port_name);
+			wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
+			if (wwn2 == (uint64_t)-1)
+				wwn_match++;
+			else if (wwn1 == wwn2)
+				wwn_match++;
+		}
+
+		if (pid_match == 2 || wwn_match == 2) {
+			/* Found a matching entry */
+			if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
+				priority = pri_entry->tag;
+			break;
+		}
+
+		pri_entry++;
+	}
+
+	return priority;
+}
+
+/*
+ * qla24xx_update_fcport_fcp_prio
+ *	Activates fcp priority for the logged in fc port
+ *
+ * Input:
+ *	ha = adapter block pointer.
+ *	fcp = port structure pointer.
+ *
+ * Return:
+ *	QLA_SUCCESS or QLA_FUNCTION_FAILED
+ *
+ * Context:
+ *	Kernel context.
+ */
+int
+qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *ha, fc_port_t *fcport)
+{
+	int ret;
+	uint8_t priority;
+	uint16_t mb[5];
+
+	if (atomic_read(&fcport->state) == FCS_UNCONFIGURED ||
+		fcport->port_type != FCT_TARGET ||
+		fcport->loop_id == FC_NO_LOOP_ID)
+		return QLA_FUNCTION_FAILED;
+
+	priority = qla24xx_get_fcp_prio(ha, fcport);
+	ret = qla24xx_set_fcp_prio(ha, fcport->loop_id, priority, mb);
+	if (ret == QLA_SUCCESS)
+		fcport->fcp_prio = priority;
+	else
+		DEBUG2(printk(KERN_WARNING
+			"scsi(%ld): Unable to activate fcp priority, "
+			" ret=0x%x\n", ha->host_no, ret));
+
+	return  ret;
+}
+
+/*
+ * qla24xx_update_all_fcp_prio
+ *	Activates fcp priority for all the logged in ports
+ *
+ * Input:
+ *	ha = adapter block pointer.
+ *
+ * Return:
+ *	QLA_SUCCESS or QLA_FUNCTION_FAILED
+ *
+ * Context:
+ *	Kernel context.
+ */
+int
+qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
+{
+	int ret;
+	fc_port_t *fcport;
+
+	ret = QLA_FUNCTION_FAILED;
+	/* We need to set priority for all logged in ports */
+	list_for_each_entry(fcport, &vha->vp_fcports, list)
+		ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
+
+	return ret;
+}
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 7f3bc45d2e2..e9c9f82c1d8 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3896,3 +3896,50 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha)
 
 	return rval;
 }
+
+int
+qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority,
+		uint16_t *mb)
+{
+	int rval;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+	struct qla_hw_data *ha = vha->hw;
+
+	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
+		return QLA_FUNCTION_FAILED;
+
+	DEBUG11(printk(KERN_INFO
+	    "%s(%ld): entered.\n", __func__, ha->host_no));
+
+	mcp->mb[0] = MBC_PORT_PARAMS;
+	mcp->mb[1] = loop_id;
+	if (ha->flags.fcp_prio_enabled)
+		mcp->mb[2] = BIT_1;
+	else
+		mcp->mb[2] = BIT_2;
+	mcp->mb[4] = priority & 0xf;
+	mcp->mb[9] = vha->vp_idx;
+	mcp->out_mb = MBX_9|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+	mcp->in_mb = MBX_4|MBX_3|MBX_1|MBX_0;
+	mcp->tov = 30;
+	mcp->flags = 0;
+	rval = qla2x00_mailbox_command(vha, mcp);
+	if (mb != NULL) {
+		mb[0] = mcp->mb[0];
+		mb[1] = mcp->mb[1];
+		mb[3] = mcp->mb[3];
+		mb[4] = mcp->mb[4];
+	}
+
+	if (rval != QLA_SUCCESS) {
+		DEBUG2_3_11(printk(KERN_WARNING
+		    "%s(%ld): failed=%x.\n", __func__,
+		    vha->host_no, rval));
+	} else {
+		DEBUG11(printk(KERN_INFO
+		    "%s(%ld): done.\n", __func__, vha->host_no));
+	}
+
+	return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 8b3de4e54c2..f32a4b03296 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -648,6 +648,12 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
 	const uint32_t def_npiv_conf1[] =
 		{ FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
 			FA_NPIV_CONF1_ADDR_81 };
+	const uint32_t fcp_prio_cfg0[] =
+		{ FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
+			0 };
+	const uint32_t fcp_prio_cfg1[] =
+		{ FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
+			0 };
 	uint32_t def;
 	uint16_t *wptr;
 	uint16_t cnt, chksum;
@@ -732,6 +738,14 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
 		case FLT_REG_GOLD_FW:
 			ha->flt_region_gold_fw = start;
 			break;
+		case FLT_REG_FCP_PRIO_0:
+			if (!(PCI_FUNC(ha->pdev->devfn) & 1))
+				ha->flt_region_fcp_prio = start;
+			break;
+		case FLT_REG_FCP_PRIO_1:
+			if (PCI_FUNC(ha->pdev->devfn) & 1)
+				ha->flt_region_fcp_prio = start;
+			break;
 		}
 	}
 	goto done;
@@ -750,12 +764,14 @@ no_flash_data:
 	ha->flt_region_boot = def_boot[def];
 	ha->flt_region_vpd_nvram = def_vpd_nvram[def];
 	ha->flt_region_vpd = ha->flags.port0 ?
-	    def_vpd0[def]: def_vpd1[def];
+	    def_vpd0[def] : def_vpd1[def];
 	ha->flt_region_nvram = ha->flags.port0 ?
-	    def_nvram0[def]: def_nvram1[def];
+	    def_nvram0[def] : def_nvram1[def];
 	ha->flt_region_fdt = def_fdt[def];
 	ha->flt_region_npiv_conf = ha->flags.port0 ?
-	    def_npiv_conf0[def]: def_npiv_conf1[def];
+	    def_npiv_conf0[def] : def_npiv_conf1[def];
+	ha->flt_region_fcp_prio = ha->flags.port0 ?
+	    fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
 done:
 	DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x "
 	    "vpd_nvram=0x%x vpd=0x%x nvram=0x%x fdt=0x%x flt=0x%x "
@@ -2722,3 +2738,50 @@ qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
 
 	return 0;
 }
+
+int
+qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
+{
+	int len, max_len;
+	uint32_t fcp_prio_addr;
+	struct qla_hw_data *ha = vha->hw;
+
+	if (!ha->fcp_prio_cfg) {
+		ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
+		if (!ha->fcp_prio_cfg) {
+			qla_printk(KERN_WARNING, ha,
+			"Unable to allocate memory for fcp priority data "
+					"(%x).\n", FCP_PRIO_CFG_SIZE);
+			return QLA_FUNCTION_FAILED;
+		}
+	}
+	memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
+
+	fcp_prio_addr = ha->flt_region_fcp_prio;
+
+	/* first read the fcp priority data header from flash */
+	ha->isp_ops->read_optrom(vha, (uint8_t *)ha->fcp_prio_cfg,
+			fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
+
+	if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 0))
+		goto fail;
+
+	/* read remaining FCP CMD config data from flash */
+	fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
+	len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
+	max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
+
+	ha->isp_ops->read_optrom(vha, (uint8_t *)&ha->fcp_prio_cfg->entry[0],
+			fcp_prio_addr << 2, (len < max_len ? len : max_len));
+
+	/* revalidate the entire FCP priority config data, including entries */
+	if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 1))
+		goto fail;
+
+	ha->flags.fcp_prio_enabled = 1;
+	return QLA_SUCCESS;
+fail:
+	vfree(ha->fcp_prio_cfg);
+	ha->fcp_prio_cfg = NULL;
+	return QLA_FUNCTION_FAILED;
+}

From d5459083af5b6e01796797edd12555ab586c6092 Mon Sep 17 00:00:00 2001
From: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Date: Fri, 19 Mar 2010 17:04:00 -0700
Subject: [PATCH 0347/3638] [SCSI] qla2xxx: Free DMA memory only if it is
 allocated in vendor specific BSG command

The qla84xx_mgmt_cmd function supports multiple subcommands.
Some subcommands require DMA memory and some do not.
Therefore check before freeing DMA memory whether it is allocated or not.

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_bsg.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 3c3a86ca6cb..584c52d134f 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -804,7 +804,7 @@ qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
 	int rval = 0;
 	struct qla_bsg_a84_mgmt *ql84_mgmt;
 	uint32_t sg_cnt;
-	uint32_t data_len;
+	uint32_t data_len = 0;
 	uint32_t dma_direction = DMA_NONE;
 
 	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
@@ -980,9 +980,11 @@ qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
 	}
 
 	bsg_job->job_done(bsg_job);
-	dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
 
 done_unmap_sg:
+	if (mgmt_b)
+		dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
+
 	if (dma_direction == DMA_TO_DEVICE)
 		dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 			bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);

From bfdaa761d3f9663a4721f572e093dd2894cedaf9 Mon Sep 17 00:00:00 2001
From: Sarang Radke <sarang.radke@qlogic.com>
Date: Fri, 19 Mar 2010 17:04:01 -0700
Subject: [PATCH 0348/3638] [SCSI] qla2xxx: Fix to make conditional decision
 based on port number.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_sup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index f32a4b03296..e74552c8c5e 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -739,11 +739,11 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
 			ha->flt_region_gold_fw = start;
 			break;
 		case FLT_REG_FCP_PRIO_0:
-			if (!(PCI_FUNC(ha->pdev->devfn) & 1))
+			if (ha->flags.port0)
 				ha->flt_region_fcp_prio = start;
 			break;
 		case FLT_REG_FCP_PRIO_1:
-			if (PCI_FUNC(ha->pdev->devfn) & 1)
+			if (!ha->flags.port0)
 				ha->flt_region_fcp_prio = start;
 			break;
 		}

From 6c452a45e5d8a93812360a5581e93ac5a8776025 Mon Sep 17 00:00:00 2001
From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Fri, 19 Mar 2010 17:04:02 -0700
Subject: [PATCH 0349/3638] [SCSI] qla2xxx: General checkpatch corrections.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_attr.c |  6 +--
 drivers/scsi/qla2xxx/qla_bsg.c  | 95 +++++++++++++++++----------------
 drivers/scsi/qla2xxx/qla_init.c |  4 +-
 drivers/scsi/qla2xxx/qla_mbx.c  |  2 +-
 drivers/scsi/qla2xxx/qla_os.c   | 22 +++++---
 5 files changed, 69 insertions(+), 60 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 90bf7ad42f6..0710e3c8760 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1177,15 +1177,13 @@ qla24xx_84xx_fw_version_show(struct device *dev,
 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 	struct qla_hw_data *ha = vha->hw;
 
-	if (IS_QLA84XX(ha) && ha->cs84xx) {
-		if (ha->cs84xx->op_fw_version == 0) {
+	if (IS_QLA84XX(ha) && ha->cs84xx)
+		if (ha->cs84xx->op_fw_version == 0)
 			rval = qla84xx_verify_chip(vha, status);
-	}
 
 	if ((rval == QLA_SUCCESS) && (status[0] == 0))
 		return snprintf(buf, PAGE_SIZE, "%u\n",
 			(uint32_t)ha->cs84xx->op_fw_version);
-	}
 
 	return snprintf(buf, PAGE_SIZE, "\n");
 }
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 584c52d134f..21e5bcd4bb5 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -274,7 +274,7 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
 
 	if (!vha->flags.online) {
 		DEBUG2(qla_printk(KERN_WARNING, ha,
-		    "host not online\n"));
+		"host not online\n"));
 		rval = -EIO;
 		goto done;
 	}
@@ -286,16 +286,16 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
 		rval = -ENOMEM;
 		goto done_free_fcport;
 	}
-        rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
-	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+
+	rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
         if (!rsp_sg_cnt) {
 		rval = -ENOMEM;
 		goto done_free_fcport;
 	}
 
 	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
-	    (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
-	{
+		(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 		DEBUG2(printk(KERN_INFO
 			"dma mapping resulted in different sg counts \
 			[request_sg_cnt: %x dma_request_sg_cnt: %x\
@@ -310,7 +310,7 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
 	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
 	if (!sp) {
 		rval = -ENOMEM;
-                goto done_unmap_sg;
+		goto done_unmap_sg;
 	}
 
 	els = sp->ctx;
@@ -364,10 +364,10 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 	struct srb_bsg *ct;
 
 	/* pass through is supported only for ISP 4Gb or higher */
-        if (!IS_FWI2_CAPABLE(ha)) {
+	if (!IS_FWI2_CAPABLE(ha)) {
 		DEBUG2(qla_printk(KERN_INFO, ha,
-			"scsi(%ld):Firmware is not capable to support FC "
-			"CT pass thru\n", vha->host_no));
+		    "scsi(%ld):Firmware is not capable to support FC "
+		    "CT pass thru\n", vha->host_no));
 		rval = -EPERM;
 		goto done;
 	}
@@ -375,7 +375,7 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 	req_sg_cnt =
 		dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
 			bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
-        if (!req_sg_cnt) {
+	if (!req_sg_cnt) {
 		rval = -ENOMEM;
 		goto done;
 	}
@@ -388,15 +388,14 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 	}
 
 	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
-		(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
-	{
+	    (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
 		DEBUG2(qla_printk(KERN_WARNING, ha,
-			"[request_sg_cnt: %x dma_request_sg_cnt: %x\
-			reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
-			bsg_job->request_payload.sg_cnt, req_sg_cnt,
-			bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
+		    "[request_sg_cnt: %x dma_request_sg_cnt: %x\
+		    reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
+		    bsg_job->request_payload.sg_cnt, req_sg_cnt,
+		    bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
 		rval = -EAGAIN;
-                goto done_unmap_sg;
+		goto done_unmap_sg;
 	}
 
 	if (!vha->flags.online) {
@@ -410,17 +409,17 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 		(bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
 			>> 24;
 	switch (loop_id) {
-		case 0xFC:
-			loop_id = cpu_to_le16(NPH_SNS);
-			break;
-		case 0xFA:
-			loop_id = vha->mgmt_svr_loop_id;
-			break;
-		default:
-			DEBUG2(qla_printk(KERN_INFO, ha,
-			    "Unknown loop id: %x\n", loop_id));
-			rval = -EINVAL;
-			goto done_unmap_sg;
+	case 0xFC:
+		loop_id = cpu_to_le16(NPH_SNS);
+		break;
+	case 0xFA:
+		loop_id = vha->mgmt_svr_loop_id;
+		break;
+	default:
+		DEBUG2(qla_printk(KERN_INFO, ha,
+		    "Unknown loop id: %x\n", loop_id));
+		rval = -EINVAL;
+		goto done_unmap_sg;
 	}
 
 	/* Allocate a dummy fcport structure, since functions preparing the
@@ -429,10 +428,9 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 	 * no fcport structure allocated
 	 */
 	fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
-	if (!fcport)
-	{
+	if (!fcport) {
 		rval = -ENOMEM;
-		goto  done_unmap_sg;
+		goto done_unmap_sg;
 	}
 
 	/* Initialize all required  fields of fcport */
@@ -492,7 +490,7 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
 	char *type;
 	struct msg_echo_lb elreq;
 	uint16_t response[MAILBOX_REGISTER_COUNT];
-	uint8_t* fw_sts_ptr;
+	uint8_t *fw_sts_ptr;
 	uint8_t *req_data = NULL;
 	dma_addr_t req_data_dma;
 	uint32_t req_data_len;
@@ -524,7 +522,7 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
 	if (!elreq.rsp_sg_cnt) {
 		rval = -ENOMEM;
 		goto done_unmap_req_sg;
-}
+	}
 
 	if ((elreq.req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
 		(elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
@@ -586,21 +584,21 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
 	} else {
 		type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
 		DEBUG2(qla_printk(KERN_INFO, ha,
-		    "scsi(%ld) bsg rqst type: %s\n" ,vha->host_no, type));
+		    "scsi(%ld) bsg rqst type: %s\n", vha->host_no, type));
 		command_sent = INT_DEF_LB_ECHO_CMD;
 		rval = qla2x00_echo_test(vha, &elreq, response);
 	}
 
 	if (rval) {
 		DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
-			"request %s failed\n", vha->host_no, type));
+		    "request %s failed\n", vha->host_no, type));
 
 		fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
-			sizeof(struct fc_bsg_reply);
+		    sizeof(struct fc_bsg_reply);
 
 		memcpy(fw_sts_ptr, response, sizeof(response));
 		fw_sts_ptr += sizeof(response);
-                *fw_sts_ptr = command_sent;
+		*fw_sts_ptr = command_sent;
 		rval = 0;
 		bsg_job->reply->reply_payload_rcv_len = 0;
 		bsg_job->reply->result = (DID_ERROR << 16);
@@ -637,7 +635,7 @@ done_unmap_req_sg:
 	dma_unmap_sg(&ha->pdev->dev,
 	    bsg_job->request_payload.sg_list,
 	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
-        return rval;
+	return rval;
 }
 
 static int
@@ -975,7 +973,8 @@ qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
 				bsg_job->reply_payload.payload_len;
 
 			sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
-				bsg_job->reply_payload.sg_cnt, mgmt_b, data_len);
+				bsg_job->reply_payload.sg_cnt, mgmt_b,
+				data_len);
 		}
 	}
 
@@ -1062,7 +1061,8 @@ qla24xx_iidma(struct fc_bsg_job *bsg_job)
 
 	if (rval) {
 		DEBUG16(printk(KERN_ERR "scsi(%ld): iIDMA cmd failed for "
-			"%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
+			"%02x%02x%02x%02x%02x%02x%02x%02x -- "
+			"%04x %x %04x %04x.\n",
 			vha->host_no, fcport->port_name[0],
 			fcport->port_name[1],
 			fcport->port_name[2], fcport->port_name[3],
@@ -1142,7 +1142,7 @@ qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
 	default:
 		DEBUG2(printk("qla2xxx: unsupported BSG request\n"));
 		break;
-        }
+	}
 	return ret;
 }
 
@@ -1164,23 +1164,26 @@ qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
 		if (!req)
 			continue;
 
-		for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++ ) {
+		for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 			sp = req->outstanding_cmds[cnt];
-
 			if (sp) {
-				sp_bsg = (struct srb_bsg*)sp->ctx;
+				sp_bsg = (struct srb_bsg *)sp->ctx;
 
 				if (((sp_bsg->ctx.type == SRB_CT_CMD) ||
 					(sp_bsg->ctx.type == SRB_ELS_CMD_HST))
 					&& (sp_bsg->bsg_job == bsg_job)) {
 					if (ha->isp_ops->abort_command(sp)) {
 						DEBUG2(qla_printk(KERN_INFO, ha,
-						"scsi(%ld): mbx abort_command failed\n", vha->host_no));
+						    "scsi(%ld): mbx "
+						    "abort_command failed\n",
+						    vha->host_no));
 						bsg_job->req->errors =
 						bsg_job->reply->result = -EIO;
 					} else {
 						DEBUG2(qla_printk(KERN_INFO, ha,
-						"scsi(%ld): mbx abort_command success\n", vha->host_no));
+						    "scsi(%ld): mbx "
+						    "abort_command success\n",
+						    vha->host_no));
 						bsg_job->req->errors =
 						bsg_job->reply->result = 0;
 					}
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index e7fe11486bb..8517aa49744 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -340,7 +340,7 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 	ha->flags.chip_reset_done = 1;
 
 	if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
-	/* Issue verify 84xx FW IOCB to complete 84xx initialization */
+		/* Issue verify 84xx FW IOCB to complete 84xx initialization */
 		rval = qla84xx_init_chip(vha);
 		if (rval != QLA_SUCCESS) {
 			qla_printk(KERN_ERR, ha,
@@ -4924,7 +4924,7 @@ qla81xx_update_fw_options(scsi_qla_host_t *vha)
  *	fcport = port structure pointer.
  *
  * Return:
- * 	non-zero (if found)
+ *	non-zero (if found)
  * 	0 (if not found)
  *
  * Context:
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index e9c9f82c1d8..bce6cd47e3c 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3840,7 +3840,7 @@ qla2x00_write_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t data)
 	mbx_cmd_t *mcp = &mc;
 
 	if (!IS_FWI2_CAPABLE(vha->hw))
-                return QLA_FUNCTION_FAILED;
+		return QLA_FUNCTION_FAILED;
 
 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 48c37e38ed0..6bdc7de82c5 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1130,18 +1130,26 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
 					qla2x00_sp_compl(ha, sp);
 				} else {
 					ctx = sp->ctx;
-					if (ctx->type == SRB_LOGIN_CMD || ctx->type == SRB_LOGOUT_CMD) {
+					if (ctx->type == SRB_LOGIN_CMD ||
+					    ctx->type == SRB_LOGOUT_CMD) {
 						del_timer_sync(&ctx->timer);
 						ctx->free(sp);
 					} else {
-						struct srb_bsg* sp_bsg = (struct srb_bsg*)sp->ctx;
-						if (sp_bsg->bsg_job->request->msgcode == FC_BSG_HST_CT)
+						struct srb_bsg *sp_bsg =
+						    (struct srb_bsg *)sp->ctx;
+						struct fc_bsg_job *bsg_job =
+						    sp_bsg->bsg_job;
+
+						if (bsg_job->request->msgcode
+						    == FC_BSG_HST_CT)
 							kfree(sp->fcport);
-						sp_bsg->bsg_job->req->errors = 0;
-						sp_bsg->bsg_job->reply->result = res;
-						sp_bsg->bsg_job->job_done(sp_bsg->bsg_job);
+						bsg_job->req->errors = 0;
+						bsg_job->reply->result = res;
+						bsg_job->job_done(
+						    sp_bsg->bsg_job);
 						kfree(sp->ctx);
-						mempool_free(sp, ha->srb_mempool);
+						mempool_free(sp,
+						    ha->srb_mempool);
 					}
 				}
 			}

From 7794a5af67c672d44cfdbc7172a608b7542a66e3 Mon Sep 17 00:00:00 2001
From: Ferenc Wagner <wferi@niif.hu>
Date: Tue, 23 Mar 2010 18:14:59 +0100
Subject: [PATCH 0350/3638] [SCSI] qla2xxx: Fix documentation of ql2xfdmienable
 module parameter

The default is enabled since 7e47e5ca184548341a82eeb2238ee3622c43cae1.

Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Acked-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_os.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 6bdc7de82c5..f31820691dc 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -70,8 +70,8 @@ static void qla2x00_free_device(scsi_qla_host_t *);
 int ql2xfdmienable=1;
 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
 MODULE_PARM_DESC(ql2xfdmienable,
-		"Enables FDMI registratons "
-		"Default is 0 - no FDMI. 1 - perfom FDMI.");
+		"Enables FDMI registrations. "
+		"0 - no FDMI. Default is 1 - perform FDMI.");
 
 #define MAX_Q_DEPTH    32
 static int ql2xmaxqdepth = MAX_Q_DEPTH;

From 2f2eb58762b4dcddfe25c90800323765c1257eca Mon Sep 17 00:00:00 2001
From: Christof Schmitt <christof.schmitt@de.ibm.com>
Date: Wed, 24 Mar 2010 16:50:30 +0100
Subject: [PATCH 0351/3638] [SCSI]  Allow FC LLD to fast-fail scsi eh by
 introducing new eh return

If the scsi eh is running and then a FC LLD calls
fc_remote_port_delete, the SCSI commands sent from the eh will fail.
To prevent this, a FC LLD can call fc_block_scsi_eh from the eh
callback, blocking the eh thread until the dev_loss_tmo fires or the
remote port is available again.

If (e.g. for a multipathing setup) the dev_loss_tmo is set to a very
large value, thus preventing the scsi device removal , the scsi eh can
block for a long time. For multipathing, the fast_io_fail_tmo is then
set to a low value to detect path problems sooner.

This patch introduces a new return code FAST_IO_FAIL. The function
fc_block_scsi_eh now returns FAST_IO_FAIL when the fast_io_fail_tmo
fires. This indicates that the LLD terminated all pending I/O requests
and there are no more pending SCSI commands for the scsi eh to wait
for. This return code can be passed back to the scsi eh to stop the
escalation and finish the recovery process for this device.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_error.c        | 15 ++++++++++-----
 drivers/scsi/scsi_transport_fc.c | 20 +++++++++++++++-----
 include/scsi/scsi.h              |  1 +
 include/scsi/scsi_transport_fc.h |  2 +-
 4 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index d45c69ca573..33175974b55 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -957,9 +957,10 @@ static int scsi_eh_abort_cmds(struct list_head *work_q,
 						  "0x%p\n", current->comm,
 						  scmd));
 		rtn = scsi_try_to_abort_cmd(scmd);
-		if (rtn == SUCCESS) {
+		if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
 			scmd->eh_eflags &= ~SCSI_EH_CANCEL_CMD;
 			if (!scsi_device_online(scmd->device) ||
+			    rtn == FAST_IO_FAIL ||
 			    !scsi_eh_tur(scmd)) {
 				scsi_eh_finish_cmd(scmd, done_q);
 			}
@@ -1086,8 +1087,9 @@ static int scsi_eh_bus_device_reset(struct Scsi_Host *shost,
 						  " 0x%p\n", current->comm,
 						  sdev));
 		rtn = scsi_try_bus_device_reset(bdr_scmd);
-		if (rtn == SUCCESS) {
+		if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
 			if (!scsi_device_online(sdev) ||
+			    rtn == FAST_IO_FAIL ||
 			    !scsi_eh_tur(bdr_scmd)) {
 				list_for_each_entry_safe(scmd, next,
 							 work_q, eh_entry) {
@@ -1150,10 +1152,11 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost,
 						  "to target %d\n",
 						  current->comm, id));
 		rtn = scsi_try_target_reset(tgtr_scmd);
-		if (rtn == SUCCESS) {
+		if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
 			list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
 				if (id == scmd_id(scmd))
 					if (!scsi_device_online(scmd->device) ||
+					    rtn == FAST_IO_FAIL ||
 					    !scsi_eh_tur(tgtr_scmd))
 						scsi_eh_finish_cmd(scmd,
 								   done_q);
@@ -1209,10 +1212,11 @@ static int scsi_eh_bus_reset(struct Scsi_Host *shost,
 						  " %d\n", current->comm,
 						  channel));
 		rtn = scsi_try_bus_reset(chan_scmd);
-		if (rtn == SUCCESS) {
+		if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
 			list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
 				if (channel == scmd_channel(scmd))
 					if (!scsi_device_online(scmd->device) ||
+					    rtn == FAST_IO_FAIL ||
 					    !scsi_eh_tur(scmd))
 						scsi_eh_finish_cmd(scmd,
 								   done_q);
@@ -1246,9 +1250,10 @@ static int scsi_eh_host_reset(struct list_head *work_q,
 						  , current->comm));
 
 		rtn = scsi_try_host_reset(scmd);
-		if (rtn == SUCCESS) {
+		if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
 			list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
 				if (!scsi_device_online(scmd->device) ||
+				    rtn == FAST_IO_FAIL ||
 				    (!scsi_eh_try_stu(scmd) && !scsi_eh_tur(scmd)) ||
 				    !scsi_eh_tur(scmd))
 					scsi_eh_finish_cmd(scmd, done_q);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 55fe730a860..06813789145 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3197,23 +3197,33 @@ fc_scsi_scan_rport(struct work_struct *work)
  *
  * This routine can be called from a FC LLD scsi_eh callback. It
  * blocks the scsi_eh thread until the fc_rport leaves the
- * FC_PORTSTATE_BLOCKED. This is necessary to avoid the scsi_eh
- * failing recovery actions for blocked rports which would lead to
- * offlined SCSI devices.
+ * FC_PORTSTATE_BLOCKED, or the fast_io_fail_tmo fires. This is
+ * necessary to avoid the scsi_eh failing recovery actions for blocked
+ * rports which would lead to offlined SCSI devices.
+ *
+ * Returns: 0 if the fc_rport left the state FC_PORTSTATE_BLOCKED.
+ *	    FAST_IO_FAIL if the fast_io_fail_tmo fired, this should be
+ *	    passed back to scsi_eh.
  */
-void fc_block_scsi_eh(struct scsi_cmnd *cmnd)
+int fc_block_scsi_eh(struct scsi_cmnd *cmnd)
 {
 	struct Scsi_Host *shost = cmnd->device->host;
 	struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 	unsigned long flags;
 
 	spin_lock_irqsave(shost->host_lock, flags);
-	while (rport->port_state == FC_PORTSTATE_BLOCKED) {
+	while (rport->port_state == FC_PORTSTATE_BLOCKED &&
+	       !(rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)) {
 		spin_unlock_irqrestore(shost->host_lock, flags);
 		msleep(1000);
 		spin_lock_irqsave(shost->host_lock, flags);
 	}
 	spin_unlock_irqrestore(shost->host_lock, flags);
+
+	if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)
+		return FAST_IO_FAIL;
+
+	return 0;
 }
 EXPORT_SYMBOL(fc_block_scsi_eh);
 
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 8b4deca996a..832f41f3738 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -423,6 +423,7 @@ static inline int scsi_is_wlun(unsigned int lun)
 #define ADD_TO_MLQUEUE  0x2006
 #define TIMEOUT_ERROR   0x2007
 #define SCSI_RETURN_NOT_HANDLED   0x2008
+#define FAST_IO_FAIL	0x2009
 
 /*
  * Midlevel queue return values.
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 8e86a94faf0..87d81b3ce56 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -807,6 +807,6 @@ void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
 struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel,
 		struct fc_vport_identifiers *);
 int fc_vport_terminate(struct fc_vport *vport);
-void fc_block_scsi_eh(struct scsi_cmnd *cmnd);
+int fc_block_scsi_eh(struct scsi_cmnd *cmnd);
 
 #endif /* SCSI_TRANSPORT_FC_H */

From a1dbfddd02d2b3e75f8750c68563e1d6eec16260 Mon Sep 17 00:00:00 2001
From: Christof Schmitt <christof.schmitt@de.ibm.com>
Date: Wed, 24 Mar 2010 16:50:31 +0100
Subject: [PATCH 0352/3638] [SCSI] zfcp: Pass return code from fc_block_scsi_eh
 to scsi eh

The return code FAST_IO_FAIL from fc_block_scsi_eh indicates that the
pending I/O requests have been terminated as a result of the
fast_io_fail_tmo. Pass this return code back to the scsi eh to stop
the scsi eh in this case.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/s390/scsi/zfcp_scsi.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 174b6d57d57..d13eb9a6408 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -175,7 +175,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 	struct zfcp_fsf_req *old_req, *abrt_req;
 	unsigned long flags;
 	unsigned long old_reqid = (unsigned long) scpnt->host_scribble;
-	int retval = SUCCESS;
+	int retval = SUCCESS, ret;
 	int retry = 3;
 	char *dbf_tag;
 
@@ -200,7 +200,9 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 			break;
 
 		zfcp_erp_wait(adapter);
-		fc_block_scsi_eh(scpnt);
+		ret = fc_block_scsi_eh(scpnt);
+		if (ret)
+			return ret;
 		if (!(atomic_read(&adapter->status) &
 		      ZFCP_STATUS_COMMON_RUNNING)) {
 			zfcp_dbf_scsi_abort("nres", adapter->dbf, scpnt, NULL,
@@ -231,7 +233,7 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
 	struct zfcp_unit *unit = scpnt->device->hostdata;
 	struct zfcp_adapter *adapter = unit->port->adapter;
 	struct zfcp_fsf_req *fsf_req = NULL;
-	int retval = SUCCESS;
+	int retval = SUCCESS, ret;
 	int retry = 3;
 
 	while (retry--) {
@@ -240,7 +242,10 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
 			break;
 
 		zfcp_erp_wait(adapter);
-		fc_block_scsi_eh(scpnt);
+		ret = fc_block_scsi_eh(scpnt);
+		if (ret)
+			return ret;
+
 		if (!(atomic_read(&adapter->status) &
 		      ZFCP_STATUS_COMMON_RUNNING)) {
 			zfcp_dbf_scsi_devreset("nres", tm_flags, unit, scpnt);
@@ -276,10 +281,13 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
 {
 	struct zfcp_unit *unit = scpnt->device->hostdata;
 	struct zfcp_adapter *adapter = unit->port->adapter;
+	int ret;
 
 	zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt);
 	zfcp_erp_wait(adapter);
-	fc_block_scsi_eh(scpnt);
+	ret = fc_block_scsi_eh(scpnt);
+	if (ret)
+		return ret;
 
 	return SUCCESS;
 }

From 2e15efc7e1f99f56896b89fad9d13baac3c635f9 Mon Sep 17 00:00:00 2001
From: Anil Veerabhadrappa <anilgv@broadcom.com>
Date: Thu, 25 Mar 2010 10:54:40 -0700
Subject: [PATCH 0353/3638] [SCSI] bnx2i: make firmware use statsn field when
 constructing header

instruct firmware to use driver/iscsid provided expected statsn field
while constructing login pdu header.

Initialize 'flags' to instruct chip to use driver/iscsid provided
ExpStatSN value while constructing iSCSI login PDU header

Signed-off-by: Eddie Wai <waie@broadcom.com>
Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bnx2i/bnx2i_hwi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index 18352ff8210..3a66ca24c7b 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -347,6 +347,7 @@ int bnx2i_send_iscsi_login(struct bnx2i_conn *bnx2i_conn,
 
 	login_wqe->cmd_sn = be32_to_cpu(login_hdr->cmdsn);
 	login_wqe->exp_stat_sn = be32_to_cpu(login_hdr->exp_statsn);
+	login_wqe->flags = ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN;
 
 	login_wqe->resp_bd_list_addr_lo = (u32) bnx2i_conn->gen_pdu.resp_bd_dma;
 	login_wqe->resp_bd_list_addr_hi =
@@ -356,7 +357,6 @@ int bnx2i_send_iscsi_login(struct bnx2i_conn *bnx2i_conn,
 		 (bnx2i_conn->gen_pdu.resp_buf_size <<
 		  ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT));
 	login_wqe->resp_buffer = dword;
-	login_wqe->flags = 0;
 	login_wqe->bd_list_addr_lo = (u32) bnx2i_conn->gen_pdu.req_bd_dma;
 	login_wqe->bd_list_addr_hi =
 		(u32) ((u64) bnx2i_conn->gen_pdu.req_bd_dma >> 32);

From ce2d763a2cd09513cb0c0e9ea52c30373c00b2f1 Mon Sep 17 00:00:00 2001
From: Anil Veerabhadrappa <anilgv@broadcom.com>
Date: Thu, 25 Mar 2010 10:54:42 -0700
Subject: [PATCH 0354/3638] [SCSI] bnx2i: link bnx2i hba and cnic device before
 registering the device

When bnx2/cnic/bnx2i drivers are loaded in certain order, bnx2i will
will not initialize the device correctly because 'hba->cnic' will be
NULL when bnx2i_start() is called from register_device() context.
Under this condition 'ifdown' and 'ifup' of associated network
interface is required to bring iscsi adapter state to ready state so
that it will accept iscsi connection setup within the chip

Initializing 'hba->cnic' before calling register_device() will fix
this issue

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bnx2i/bnx2i_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c
index 6d8172e781c..737dce08427 100644
--- a/drivers/scsi/bnx2i/bnx2i_init.c
+++ b/drivers/scsi/bnx2i/bnx2i_init.c
@@ -278,6 +278,7 @@ static int bnx2i_init_one(struct bnx2i_hba *hba, struct cnic_dev *cnic)
 	int rc;
 
 	mutex_lock(&bnx2i_dev_lock);
+	hba->cnic = cnic;
 	rc = cnic->register_device(cnic, CNIC_ULP_ISCSI, hba);
 	if (!rc) {
 		hba->age++;
@@ -324,8 +325,7 @@ void bnx2i_ulp_init(struct cnic_dev *dev)
 	if (bnx2i_init_one(hba, dev)) {
 		printk(KERN_ERR "bnx2i - hba %p init failed\n", hba);
 		bnx2i_free_hba(hba);
-	} else
-		hba->cnic = dev;
+	}
 }
 
 

From 457549da730ec43bdc594ec7b475464b9d52a15f Mon Sep 17 00:00:00 2001
From: Anil Veerabhadrappa <anilgv@broadcom.com>
Date: Thu, 25 Mar 2010 10:54:44 -0700
Subject: [PATCH 0355/3638] [SCSI] bnx2i: Update version and module description

missing 10G drivers added to description

Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bnx2i/bnx2i_init.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c
index 737dce08427..ce0ee80dbea 100644
--- a/drivers/scsi/bnx2i/bnx2i_init.c
+++ b/drivers/scsi/bnx2i/bnx2i_init.c
@@ -17,8 +17,8 @@ static struct list_head adapter_list = LIST_HEAD_INIT(adapter_list);
 static u32 adapter_count;
 
 #define DRV_MODULE_NAME		"bnx2i"
-#define DRV_MODULE_VERSION	"2.1.0"
-#define DRV_MODULE_RELDATE	"Dec 06, 2009"
+#define DRV_MODULE_VERSION	"2.1.1"
+#define DRV_MODULE_RELDATE	"Mar 24, 2010"
 
 static char version[] __devinitdata =
 		"Broadcom NetXtreme II iSCSI Driver " DRV_MODULE_NAME \
@@ -26,7 +26,8 @@ static char version[] __devinitdata =
 
 
 MODULE_AUTHOR("Anil Veerabhadrappa <anilgv@broadcom.com>");
-MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709 iSCSI Driver");
+MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/57710/57711"
+		   " iSCSI Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_MODULE_VERSION);
 

From f87146bba523cad0196aa8e80ca9e8243d7a6c0c Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Mon, 29 Mar 2010 09:29:24 +0200
Subject: [PATCH 0356/3638] [SCSI] sd: quiet spurious error messages in
 READ_CAPACITY(16)

sd always tries to submit a READ_CAPACITY(16) CDB,
regardless whether the host actually supports it.
queuecommand() will then return DID_ABORT, which is
not qualified enough to detect the true cause here.
So better check in sd_try_rc16 first if the cdblen
is supported.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/sd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 58c62ff42ab..7955bc22612 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1573,6 +1573,8 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp,
 
 static int sd_try_rc16_first(struct scsi_device *sdp)
 {
+	if (sdp->host->max_cmd_len < 16)
+		return 0;
 	if (sdp->scsi_level > SCSI_SPC_2)
 		return 1;
 	if (scsi_device_protection(sdp))

From 5435f2818ea08bcb381dcd2a99b1607b2a42f329 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Sun, 11 Apr 2010 12:17:45 +0200
Subject: [PATCH 0357/3638] HID: hid-picolcd depends on LCD_CLASS_DEVICE
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

HID_PICOLCD should depend on LCD_CLASS_DEVICE, otherwise the
build fails when HID_PICOLCD=y and LCD_CLASS_DEVICE=m:

hid-picolcd.c:(.text+0x84523f): undefined reference to `lcd_device_unregister'
hid-picolcd.c:(.text+0x8478ab): undefined reference to `lcd_device_register'
hid-picolcd.c:(.text+0x84c15f): undefined reference to `lcd_device_unregister'

Same applies to FB, BACKLIGHT_CLASS_DEVICE and LEDS_CLASS.

Add suboptions for those features to handle the deps on kbuild side
and just check HID_PICOLCD_* in the code.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig       | 53 ++++++++++++++++++++++++++++++++-------
 drivers/hid/hid-picolcd.c | 40 ++++++++++++++---------------
 2 files changed, 64 insertions(+), 29 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index a2ecd83bfe8..0e8aa63e3f5 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -265,11 +265,6 @@ config HID_PETALYNX
 config HID_PICOLCD
 	tristate "PicoLCD (graphic version)"
 	depends on USB_HID
-	select FB_DEFERRED_IO if FB
-	select FB_SYS_FILLRECT if FB
-	select FB_SYS_COPYAREA if FB
-	select FB_SYS_IMAGEBLIT if FB
-	select FB_SYS_FOPS if FB
 	---help---
 	  This provides support for Minibox PicoLCD devices, currently
 	  only the graphical ones are supported.
@@ -277,14 +272,54 @@ config HID_PICOLCD
 	  This includes support for the following device features:
 	  - Keypad
 	  - Switching between Firmware and Flash mode
-	  - Framebuffer for monochrome 256x64 display
-	  - Backlight control         (needs CONFIG_BACKLIGHT_CLASS_DEVICE)
-	  - Contrast control          (needs CONFIG_LCD_CLASS_DEVICE)
-	  - General purpose outputs   (needs CONFIG_LEDS_CLASS)
 	  - EEProm / Flash access     (via debugfs)
+	  Features selectively enabled:
+	  - Framebuffer for monochrome 256x64 display
+	  - Backlight control
+	  - Contrast control
+	  - General purpose outputs
 	  Features that are not (yet) supported:
 	  - IR
 
+config HID_PICOLCD_FB
+	bool "Framebuffer support" if EMBEDDED
+	default !EMBEDDED
+	depends on HID_PICOLCD
+	depends on HID_PICOLCD=FB || FB=y
+	select FB_DEFERRED_IO
+	select FB_SYS_FILLRECT
+	select FB_SYS_COPYAREA
+	select FB_SYS_IMAGEBLIT
+	select FB_SYS_FOPS
+	---help---
+	  Provide access to PicoLCD's 256x64 monochrome display via a
+	  frambuffer device.
+
+config HID_PICOLCD_BACKLIGHT
+	bool "Backlight control" if EMBEDDED
+	default !EMBEDDED
+	depends on HID_PICOLCD
+	depends on HID_PICOLCD=BACKLIGHT_CLASS_DEVICE || BACKLIGHT_CLASS_DEVICE=y
+	---help---
+	  Provide access to PicoLCD's backlight control via backlight
+	  class.
+
+config HID_PICOLCD_LCD
+	bool "Contrast control" if EMBEDDED
+	default !EMBEDDED
+	depends on HID_PICOLCD
+	depends on HID_PICOLCD=LCD_CLASS_DEVICE || LCD_CLASS_DEVICE=y
+	---help---
+	  Provide access to PicoLCD's LCD contrast via lcd class.
+
+config HID_PICOLCD_LEDS
+	bool "GPO via leds class" if EMBEDDED
+	default !EMBEDDED
+	depends on HID_PICOLCD
+	depends on HID_PICOLCD=LEDS_CLASS || LEDS_CLASS=y
+	---help---
+	  Provide access to PicoLCD's GPO pins via leds class.
+
 config HID_QUANTA
 	tristate "Quanta Optical Touch"
 	depends on USB_HID
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 0eacc6b6d5b..0fbc7d39616 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -77,7 +77,7 @@
 #define REPORT_HOOK_VERSION    0xf7 /* LCD: IN[2], OUT[1]   */
 #define REPORT_EXIT_FLASHER    0xff /*                      Bootloader: OUT[2]         */
 
-#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+#ifdef CONFIG_HID_PICOLCD_FB
 /* Framebuffer
  *
  * The PicoLCD use a Topway LCD module of 256x64 pixel
@@ -128,7 +128,7 @@ static const struct fb_var_screeninfo picolcdfb_var = {
 	.bits_per_pixel = 1,
 	.grayscale      = 1,
 };
-#endif /* CONFIG_FB */
+#endif /* CONFIG_HID_PICOLCD_FB */
 
 /* Input device
  *
@@ -183,7 +183,7 @@ struct picolcd_data {
 	struct input_dev *input_cir;
 	unsigned short keycode[PICOLCD_KEYS];
 
-#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+#ifdef CONFIG_HID_PICOLCD_FB
 	/* Framebuffer stuff */
 	u8 fb_update_rate;
 	u8 fb_bpp;
@@ -191,21 +191,21 @@ struct picolcd_data {
 	u8 *fb_bitmap;		/* framebuffer */
 	struct fb_info *fb_info;
 	struct fb_deferred_io fb_defio;
-#endif /* CONFIG_FB */
-#if defined(CONFIG_LCD_CLASS_DEVICE) || defined(CONFIG_LCD_CLASS_DEVICE_MODULE)
+#endif /* CONFIG_HID_PICOLCD_FB */
+#ifdef CONFIG_HID_PICOLCD_LCD
 	struct lcd_device *lcd;
 	u8 lcd_contrast;
-#endif
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+#endif /* CONFIG_HID_PICOLCD_LCD */
+#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
 	struct backlight_device *backlight;
 	u8 lcd_brightness;
 	u8 lcd_power;
-#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
-#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
+#ifdef CONFIG_HID_PICOLCD_LEDS
 	/* LED stuff */
 	u8 led_state;
 	struct led_classdev *led[8];
-#endif /* CONFIG_LEDS_CLASS */
+#endif /* CONFIG_HID_PICOLCD_LEDS */
 
 	/* Housekeeping stuff */
 	spinlock_t lock;
@@ -287,7 +287,7 @@ static struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev,
 	return work;
 }
 
-#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+#ifdef CONFIG_HID_PICOLCD_FB
 /* Send a given tile to PicoLCD */
 static int picolcd_fb_send_tile(struct hid_device *hdev, int chip, int tile)
 {
@@ -766,9 +766,9 @@ static void picolcd_exit_framebuffer(struct picolcd_data *data)
 {
 }
 #define picolcd_fbinfo(d) NULL
-#endif /* CONFIG_FB */
+#endif /* CONFIG_HID_PICOLCD_FB */
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
 /*
  * backlight class device
  */
@@ -864,9 +864,9 @@ static inline int picolcd_resume_backlight(struct picolcd_data *data)
 {
 	return 0;
 }
-#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
+#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
 
-#if defined(CONFIG_LCD_CLASS_DEVICE) || defined(CONFIG_LCD_CLASS_DEVICE_MODULE)
+#ifdef CONFIG_HID_PICOLCD_LCD
 /*
  * lcd class device
  */
@@ -957,9 +957,9 @@ static inline int picolcd_resume_lcd(struct picolcd_data *data)
 {
 	return 0;
 }
-#endif /* CONFIG_LCD_CLASS_DEVICE */
+#endif /* CONFIG_HID_PICOLCD_LCD */
 
-#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+#ifdef CONFIG_HID_PICOLCD_LEDS
 /**
  * LED class device
  */
@@ -1104,7 +1104,7 @@ static inline int picolcd_leds_set(struct picolcd_data *data)
 {
 	return 0;
 }
-#endif /* CONFIG_LEDS_CLASS */
+#endif /* CONFIG_HID_PICOLCD_LEDS */
 
 /*
  * input class device
@@ -1243,10 +1243,10 @@ static int picolcd_reset(struct hid_device *hdev)
 
 	picolcd_resume_lcd(data);
 	picolcd_resume_backlight(data);
-#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+#ifdef CONFIG_HID_PICOLCD_FB
 	if (data->fb_info)
 		schedule_delayed_work(&data->fb_info->deferred_work, 0);
-#endif /* CONFIG_FB */
+#endif /* CONFIG_HID_PICOLCD_FB */
 
 	picolcd_leds_set(data);
 	return 0;

From 1469585309bb52869cbaa449c6d2cd1ce9869cca Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Tue, 30 Mar 2010 10:52:44 +0530
Subject: [PATCH 0358/3638] [SCSI] mpt2sas : IOs needs to be pause until
 handles are refreshed for all device after recovery

After Host Reset firmware will have new list of device handles for the target.
Device handle refresh in driver is part of Rescan topology logic.
(See functions like *_search_responding_*). This needs to be done from Host
Reset context before making shost_recovery to 0. Currently it is done in
Firwmare event context, which may leads IO to a wrong device.

Now handler refresh is moved to HBA reset context.
Apart from this, Now driver will stop IOs for all device setting deleted
flag to 1 at the time of HBA Reset through _scsih_prep_device_scan.
It will only unblock devices, if devices has been found as part of RESCAN.
This way it will make more safe IO blocking at the time of HBA reset at
mpt2sas driver layer.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 49 +++++++++++++++++++++++-----
 1 file changed, 40 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index b0d598ec71c..1f0466aa6c1 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -5505,6 +5505,26 @@ _scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
 	}
 }
 
+/**
+ * _scsih_prep_device_scan - initialize parameters prior to device scan
+ * @ioc: per adapter object
+ *
+ * Set the deleted flag prior to device scan.  If the device is found during
+ * the scan, then we clear the deleted flag.
+ */
+static void
+_scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc)
+{
+	struct MPT2SAS_DEVICE *sas_device_priv_data;
+	struct scsi_device *sdev;
+
+	shost_for_each_device(sdev, ioc->shost) {
+		sas_device_priv_data = sdev->hostdata;
+		if (sas_device_priv_data && sas_device_priv_data->sas_target)
+			sas_device_priv_data->sas_target->deleted = 1;
+	}
+}
+
 /**
  * _scsih_mark_responding_sas_device - mark a sas_devices as responding
  * @ioc: per adapter object
@@ -5532,8 +5552,12 @@ _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
 		    sas_device->slot == slot && sas_device->starget) {
 			sas_device->responding = 1;
 			starget = sas_device->starget;
-			sas_target_priv_data = starget->hostdata;
-			sas_target_priv_data->tm_busy = 0;
+			if (starget && starget->hostdata) {
+				sas_target_priv_data = starget->hostdata;
+				sas_target_priv_data->tm_busy = 0;
+				sas_target_priv_data->deleted = 0;
+			} else
+				sas_target_priv_data = NULL;
 			starget_printk(KERN_INFO, sas_device->starget,
 			    "handle(0x%04x), sas_addr(0x%016llx), enclosure "
 			    "logical id(0x%016llx), slot(%d)\n", handle,
@@ -5546,7 +5570,8 @@ _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
 			printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
 			    sas_device->handle);
 			sas_device->handle = handle;
-			sas_target_priv_data->handle = handle;
+			if (sas_target_priv_data)
+				sas_target_priv_data->handle = handle;
 			goto out;
 		}
 	}
@@ -5621,6 +5646,12 @@ _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
 	spin_lock_irqsave(&ioc->raid_device_lock, flags);
 	list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
 		if (raid_device->wwid == wwid && raid_device->starget) {
+			starget = raid_device->starget;
+			if (starget && starget->hostdata) {
+				sas_target_priv_data = starget->hostdata;
+				sas_target_priv_data->deleted = 0;
+			} else
+				sas_target_priv_data = NULL;
 			raid_device->responding = 1;
 			starget_printk(KERN_INFO, raid_device->starget,
 			    "handle(0x%04x), wwid(0x%016llx)\n", handle,
@@ -5630,9 +5661,8 @@ _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
 			printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
 			    raid_device->handle);
 			raid_device->handle = handle;
-			starget = raid_device->starget;
-			sas_target_priv_data = starget->hostdata;
-			sas_target_priv_data->handle = handle;
+			if (sas_target_priv_data)
+				sas_target_priv_data->handle = handle;
 			goto out;
 		}
 	}
@@ -5857,6 +5887,10 @@ mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
 		dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
 		    "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
 		_scsih_sas_host_refresh(ioc);
+		_scsih_prep_device_scan(ioc);
+		_scsih_search_responding_sas_devices(ioc);
+		_scsih_search_responding_raid_devices(ioc);
+		_scsih_search_responding_expanders(ioc);
 		break;
 	}
 }
@@ -5894,9 +5928,6 @@ _firmware_event_work(struct work_struct *work)
 		} else
 			spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
 			    flags);
-		_scsih_search_responding_sas_devices(ioc);
-		_scsih_search_responding_raid_devices(ioc);
-		_scsih_search_responding_expanders(ioc);
 		_scsih_remove_unresponding_sas_devices(ioc);
 		return;
 	}

From 6dec143a50c01ca0cc0afcbf5ea4bb8e87981edf Mon Sep 17 00:00:00 2001
From: Stephane Chatty <chatty@lii-enac.fr>
Date: Sun, 11 Apr 2010 14:51:24 +0200
Subject: [PATCH 0359/3638] HID: add support for 3M multitouch 22" display

Now support the 22" display and its updated firmware, including touch
width and height.

The number of touches can now go up to 60, and our single touch emulation
will fail when there are more than 6-7 touches; further work is needed on
this.

Signed-off-by: Stephane Chatty <chatty@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-3m-pct.c | 31 ++++++++++++++++++++++++++++---
 drivers/hid/hid-core.c   |  1 +
 drivers/hid/hid-ids.h    |  1 +
 3 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/hid-3m-pct.c b/drivers/hid/hid-3m-pct.c
index 2370aefc86b..883fd1af3c4 100644
--- a/drivers/hid/hid-3m-pct.c
+++ b/drivers/hid/hid-3m-pct.c
@@ -1,7 +1,7 @@
 /*
  *  HID driver for 3M PCT multitouch panels
  *
- *  Copyright (c) 2009 Stephane Chatty <chatty@enac.fr>
+ *  Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
  *
  */
 
@@ -24,7 +24,7 @@ MODULE_LICENSE("GPL");
 #include "hid-ids.h"
 
 struct mmm_finger {
-	__s32 x, y;
+	__s32 x, y, w, h;
 	__u8 rank;
 	bool touch, valid;
 };
@@ -81,7 +81,18 @@ static int mmm_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			/* touchscreen emulation */
 			hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
 			return 1;
+		case HID_DG_WIDTH:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_TOUCH_MAJOR);
+			return 1;
+		case HID_DG_HEIGHT:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_TOUCH_MINOR);
+			input_set_abs_params(hi->input, ABS_MT_ORIENTATION,
+					1, 1, 0, 0);
+			return 1;
 		case HID_DG_CONTACTID:
+			field->logical_maximum = 59;
 			hid_map_usage(hi, usage, bit, max,
 					EV_ABS, ABS_MT_TRACKING_ID);
 			return 1;
@@ -127,9 +138,15 @@ static void mmm_filter_event(struct mmm_data *md, struct input_dev *input)
 			/* this finger is just placeholder data, ignore */
 		} else if (f->touch) {
 			/* this finger is on the screen */
+			int wide = (f->w > f->h);
 			input_event(input, EV_ABS, ABS_MT_TRACKING_ID, i);
 			input_event(input, EV_ABS, ABS_MT_POSITION_X, f->x);
 			input_event(input, EV_ABS, ABS_MT_POSITION_Y, f->y);
+			input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
+			input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR,
+						wide ? f->w : f->h);
+			input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR,
+						wide ? f->h : f->w);
 			input_mt_sync(input);
 			/*
 			 * touchscreen emulation: maintain the age rank
@@ -196,6 +213,14 @@ static int mmm_event(struct hid_device *hid, struct hid_field *field,
 		case HID_DG_CONFIDENCE:
 			md->valid = value;
 			break;
+		case HID_DG_WIDTH:
+			if (md->valid)
+				md->f[md->curid].w = value;
+			break;
+		case HID_DG_HEIGHT:
+			if (md->valid)
+				md->f[md->curid].h = value;
+			break;
 		case HID_DG_CONTACTID:
 			if (md->valid) {
 				md->curid = value;
@@ -254,6 +279,7 @@ static void mmm_remove(struct hid_device *hdev)
 
 static const struct hid_device_id mmm_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, mmm_devices);
@@ -286,5 +312,4 @@ static void __exit mmm_exit(void)
 
 module_init(mmm_init);
 module_exit(mmm_exit);
-MODULE_LICENSE("GPL");
 
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 7396f47c79d..9f92f629d44 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1251,6 +1251,7 @@ EXPORT_SYMBOL_GPL(hid_disconnect);
 /* a list of devices for which there is a specialized driver on HID bus */
 static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 72c05f90553..e1b4ce4eeb6 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -20,6 +20,7 @@
 
 #define USB_VENDOR_ID_3M		0x0596
 #define USB_DEVICE_ID_3M1968		0x0500
+#define USB_DEVICE_ID_3M2256		0x0502
 
 #define USB_VENDOR_ID_A4TECH		0x09da
 #define USB_DEVICE_ID_A4TECH_WCP32PU	0x0006

From 3233ac19811fe17033b537832ca7b59df8bf4aa9 Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@suse.de>
Date: Thu, 1 Apr 2010 10:30:01 -0400
Subject: [PATCH 0360/3638] [SCSI] sd: retry read_capacity on UNIT_ATTENTION

Hazard testing uncovered yet another bug in sd. Under heavy reset
activity the retry counter might be exhausted and the command will be
returned with sense UNIT_ATTENTION/0x29/00 (POWER ON, RESET, OR BUS
DEVICE RESET OCCURRED). In those cases we should just increase the
retry counter again, retrying one more to clear up this Unit Attention
state.

[jejb: update to work with RC16 devices and not to loop endlessly]
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/sd.c | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 7955bc22612..015a597a852 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1433,6 +1433,8 @@ static void read_capacity_error(struct scsi_disk *sdkp, struct scsi_device *sdp,
 #error RC16_LEN must not be more than SD_BUF_SIZE
 #endif
 
+#define READ_CAPACITY_RETRIES_ON_RESET	10
+
 static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
 						unsigned char *buffer)
 {
@@ -1440,7 +1442,7 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
 	struct scsi_sense_hdr sshdr;
 	int sense_valid = 0;
 	int the_result;
-	int retries = 3;
+	int retries = 3, reset_retries = READ_CAPACITY_RETRIES_ON_RESET;
 	unsigned int alignment;
 	unsigned long long lba;
 	unsigned sector_size;
@@ -1469,6 +1471,13 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
 				 * Invalid Field in CDB, just retry
 				 * silently with RC10 */
 				return -EINVAL;
+			if (sense_valid &&
+			    sshdr.sense_key == UNIT_ATTENTION &&
+			    sshdr.asc == 0x29 && sshdr.ascq == 0x00)
+				/* Device reset might occur several times,
+				 * give it one more chance */
+				if (--reset_retries > 0)
+					continue;
 		}
 		retries--;
 
@@ -1527,7 +1536,7 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp,
 	struct scsi_sense_hdr sshdr;
 	int sense_valid = 0;
 	int the_result;
-	int retries = 3;
+	int retries = 3, reset_retries = READ_CAPACITY_RETRIES_ON_RESET;
 	sector_t lba;
 	unsigned sector_size;
 
@@ -1543,8 +1552,16 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp,
 		if (media_not_present(sdkp, &sshdr))
 			return -ENODEV;
 
-		if (the_result)
+		if (the_result) {
 			sense_valid = scsi_sense_valid(&sshdr);
+			if (sense_valid &&
+			    sshdr.sense_key == UNIT_ATTENTION &&
+			    sshdr.asc == 0x29 && sshdr.ascq == 0x00)
+				/* Device reset might occur several times,
+				 * give it one more chance */
+				if (--reset_retries > 0)
+					continue;
+		}
 		retries--;
 
 	} while (the_result && retries);

From 78d4e5a07dca7374dd9db40b3346d727b65eb794 Mon Sep 17 00:00:00 2001
From: Douglas Gilbert <dgilbert@interlog.com>
Date: Thu, 25 Mar 2010 17:29:05 -0400
Subject: [PATCH 0361/3638] [SCSI] scsi_debug: add max_queue + no_uld
 parameters

While testing the midlevel q_at_head and q_at_tail
patch for sg and the block SG_IO ioctl I found it
useful to reduce the queuing within the scsi_debug
driver. The reason is that the midlevel queue only
comes into play when the corresponding LLD queue
is full.

It is also useful when testing to be confident that
your program is the only thing issuing commands
to the (virtual) scsi_debug device. The no_uld=1
parameter will stop a scsi_debug virtual disk
appearing as /dev/sd* .

Changelog:
   - add max_queue parameter to reduce the number
     of queued commands the driver will accept.
     This parameter can be changed after the driver
     is loaded.
   - add no_uld parameter that restricts scsi_debug's
     virtual devices to the sg and bsg drivers
   - correct stale url

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_debug.c | 73 ++++++++++++++++++++++++++++++---------
 1 file changed, 57 insertions(+), 16 deletions(-)

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 3e10c306de9..a783cd33a3e 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -12,7 +12,7 @@
  *  SAS disks.
  *
  *
- *  For documentation see http://www.torque.net/sg/sdebug26.html
+ *  For documentation see http://sg.danny.cz/sg/sdebug26.html
  *
  *   D. Gilbert (dpg) work for Magneto-Optical device test [20010421]
  *   dpg: work for devfs large number of disks [20010809]
@@ -58,8 +58,8 @@
 #include "sd.h"
 #include "scsi_logging.h"
 
-#define SCSI_DEBUG_VERSION "1.81"
-static const char * scsi_debug_version_date = "20070104";
+#define SCSI_DEBUG_VERSION "1.82"
+static const char * scsi_debug_version_date = "20100324";
 
 /* Additional Sense Code (ASC) */
 #define NO_ADDITIONAL_SENSE 0x0
@@ -147,12 +147,18 @@ static const char * scsi_debug_version_date = "20070104";
 #define SAM2_LUN_ADDRESS_METHOD 0
 #define SAM2_WLUN_REPORT_LUNS 0xc101
 
+/* Can queue up to this number of commands. Typically commands that
+ * that have a non-zero delay are queued. */
+#define SCSI_DEBUG_CANQUEUE  255
+
 static int scsi_debug_add_host = DEF_NUM_HOST;
 static int scsi_debug_delay = DEF_DELAY;
 static int scsi_debug_dev_size_mb = DEF_DEV_SIZE_MB;
 static int scsi_debug_every_nth = DEF_EVERY_NTH;
 static int scsi_debug_max_luns = DEF_MAX_LUNS;
+static int scsi_debug_max_queue = SCSI_DEBUG_CANQUEUE;
 static int scsi_debug_num_parts = DEF_NUM_PARTS;
+static int scsi_debug_no_uld = 0;
 static int scsi_debug_num_tgts = DEF_NUM_TGTS; /* targets per host */
 static int scsi_debug_opts = DEF_OPTS;
 static int scsi_debug_scsi_level = DEF_SCSI_LEVEL;
@@ -192,7 +198,6 @@ static int sdebug_sectors_per;		/* sectors per cylinder */
 
 #define SDEBUG_SENSE_LEN 32
 
-#define SCSI_DEBUG_CANQUEUE  255
 #define SCSI_DEBUG_MAX_CMD_LEN 32
 
 struct sdebug_dev_info {
@@ -2265,7 +2270,7 @@ static void timer_intr_handler(unsigned long indx)
 	struct sdebug_queued_cmd * sqcp;
 	unsigned long iflags;
 
-	if (indx >= SCSI_DEBUG_CANQUEUE) {
+	if (indx >= scsi_debug_max_queue) {
 		printk(KERN_ERR "scsi_debug:timer_intr_handler: indx too "
 		       "large\n");
 		return;
@@ -2379,6 +2384,8 @@ static int scsi_debug_slave_configure(struct scsi_device *sdp)
 		scsi_adjust_queue_depth(sdp, SDEBUG_TAGGED_QUEUING,
 					sdp->host->cmd_per_lun);
 	blk_queue_max_segment_size(sdp->request_queue, 256 * 1024);
+	if (scsi_debug_no_uld)
+		sdp->no_uld_attach = 1;
 	return 0;
 }
 
@@ -2405,7 +2412,7 @@ static int stop_queued_cmnd(struct scsi_cmnd *cmnd)
 	struct sdebug_queued_cmd *sqcp;
 
 	spin_lock_irqsave(&queued_arr_lock, iflags);
-	for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+	for (k = 0; k < scsi_debug_max_queue; ++k) {
 		sqcp = &queued_arr[k];
 		if (sqcp->in_use && (cmnd == sqcp->a_cmnd)) {
 			del_timer_sync(&sqcp->cmnd_timer);
@@ -2415,7 +2422,7 @@ static int stop_queued_cmnd(struct scsi_cmnd *cmnd)
 		}
 	}
 	spin_unlock_irqrestore(&queued_arr_lock, iflags);
-	return (k < SCSI_DEBUG_CANQUEUE) ? 1 : 0;
+	return (k < scsi_debug_max_queue) ? 1 : 0;
 }
 
 /* Deletes (stops) timers of all queued commands */
@@ -2426,7 +2433,7 @@ static void stop_all_queued(void)
 	struct sdebug_queued_cmd *sqcp;
 
 	spin_lock_irqsave(&queued_arr_lock, iflags);
-	for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+	for (k = 0; k < scsi_debug_max_queue; ++k) {
 		sqcp = &queued_arr[k];
 		if (sqcp->in_use && sqcp->a_cmnd) {
 			del_timer_sync(&sqcp->cmnd_timer);
@@ -2532,7 +2539,7 @@ static void __init init_all_queued(void)
 	struct sdebug_queued_cmd * sqcp;
 
 	spin_lock_irqsave(&queued_arr_lock, iflags);
-	for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+	for (k = 0; k < scsi_debug_max_queue; ++k) {
 		sqcp = &queued_arr[k];
 		init_timer(&sqcp->cmnd_timer);
 		sqcp->in_use = 0;
@@ -2624,12 +2631,12 @@ static int schedule_resp(struct scsi_cmnd * cmnd,
 		struct sdebug_queued_cmd * sqcp = NULL;
 
 		spin_lock_irqsave(&queued_arr_lock, iflags);
-		for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+		for (k = 0; k < scsi_debug_max_queue; ++k) {
 			sqcp = &queued_arr[k];
 			if (! sqcp->in_use)
 				break;
 		}
-		if (k >= SCSI_DEBUG_CANQUEUE) {
+		if (k >= scsi_debug_max_queue) {
 			spin_unlock_irqrestore(&queued_arr_lock, iflags);
 			printk(KERN_WARNING "scsi_debug: can_queue exceeded\n");
 			return 1;	/* report busy to mid level */
@@ -2661,7 +2668,9 @@ module_param_named(dsense, scsi_debug_dsense, int, S_IRUGO | S_IWUSR);
 module_param_named(every_nth, scsi_debug_every_nth, int, S_IRUGO | S_IWUSR);
 module_param_named(fake_rw, scsi_debug_fake_rw, int, S_IRUGO | S_IWUSR);
 module_param_named(max_luns, scsi_debug_max_luns, int, S_IRUGO | S_IWUSR);
+module_param_named(max_queue, scsi_debug_max_queue, int, S_IRUGO | S_IWUSR);
 module_param_named(no_lun_0, scsi_debug_no_lun_0, int, S_IRUGO | S_IWUSR);
+module_param_named(no_uld, scsi_debug_no_uld, int, S_IRUGO);
 module_param_named(num_parts, scsi_debug_num_parts, int, S_IRUGO);
 module_param_named(num_tgts, scsi_debug_num_tgts, int, S_IRUGO | S_IWUSR);
 module_param_named(opts, scsi_debug_opts, int, S_IRUGO | S_IWUSR);
@@ -2694,7 +2703,9 @@ MODULE_PARM_DESC(dsense, "use descriptor sense format(def=0 -> fixed)");
 MODULE_PARM_DESC(every_nth, "timeout every nth command(def=0)");
 MODULE_PARM_DESC(fake_rw, "fake reads/writes instead of copying (def=0)");
 MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)");
+MODULE_PARM_DESC(max_queue, "max number of queued commands (1 to 255(def))");
 MODULE_PARM_DESC(no_lun_0, "no LU number 0 (def=0 -> have lun 0)");
+MODULE_PARM_DESC(no_uld, "stop ULD (e.g. sd driver) attaching (def=0))");
 MODULE_PARM_DESC(num_parts, "number of partitions(def=0)");
 MODULE_PARM_DESC(num_tgts, "number of targets per host to simulate(def=1)");
 MODULE_PARM_DESC(opts, "1->noise, 2->medium_err, 4->timeout, 8->recovered_err... (def=0)");
@@ -2969,6 +2980,31 @@ static ssize_t sdebug_max_luns_store(struct device_driver * ddp,
 DRIVER_ATTR(max_luns, S_IRUGO | S_IWUSR, sdebug_max_luns_show,
 	    sdebug_max_luns_store);
 
+static ssize_t sdebug_max_queue_show(struct device_driver * ddp, char * buf)
+{
+        return scnprintf(buf, PAGE_SIZE, "%d\n", scsi_debug_max_queue);
+}
+static ssize_t sdebug_max_queue_store(struct device_driver * ddp,
+				      const char * buf, size_t count)
+{
+        int n;
+
+	if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n > 0) &&
+	    (n <= SCSI_DEBUG_CANQUEUE)) {
+		scsi_debug_max_queue = n;
+		return count;
+	}
+	return -EINVAL;
+}
+DRIVER_ATTR(max_queue, S_IRUGO | S_IWUSR, sdebug_max_queue_show,
+	    sdebug_max_queue_store);
+
+static ssize_t sdebug_no_uld_show(struct device_driver * ddp, char * buf)
+{
+        return scnprintf(buf, PAGE_SIZE, "%d\n", scsi_debug_no_uld);
+}
+DRIVER_ATTR(no_uld, S_IRUGO, sdebug_no_uld_show, NULL);
+
 static ssize_t sdebug_scsi_level_show(struct device_driver * ddp, char * buf)
 {
         return scnprintf(buf, PAGE_SIZE, "%d\n", scsi_debug_scsi_level);
@@ -3106,7 +3142,9 @@ static int do_create_driverfs_files(void)
 	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_every_nth);
 	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_fake_rw);
 	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_max_luns);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_max_queue);
 	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_no_lun_0);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_no_uld);
 	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_num_parts);
 	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_num_tgts);
 	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_ptype);
@@ -3138,7 +3176,9 @@ static void do_remove_driverfs_files(void)
 	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_ptype);
 	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_num_tgts);
 	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_num_parts);
+	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_no_uld);
 	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_no_lun_0);
+	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_max_queue);
 	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_max_luns);
 	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_fake_rw);
 	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_every_nth);
@@ -3829,12 +3869,13 @@ static int sdebug_driver_probe(struct device * dev)
 
 	sdbg_host = to_sdebug_host(dev);
 
-        hpnt = scsi_host_alloc(&sdebug_driver_template, sizeof(sdbg_host));
-        if (NULL == hpnt) {
-                printk(KERN_ERR "%s: scsi_register failed\n", __func__);
-                error = -ENODEV;
+	sdebug_driver_template.can_queue = scsi_debug_max_queue;
+	hpnt = scsi_host_alloc(&sdebug_driver_template, sizeof(sdbg_host));
+	if (NULL == hpnt) {
+		printk(KERN_ERR "%s: scsi_register failed\n", __func__);
+		error = -ENODEV;
 		return error;
-        }
+	}
 
         sdbg_host->shost = hpnt;
 	*((struct sdebug_host_info **)hpnt->hostdata) = sdbg_host;

From 38c2911449b19664e0dc46132a7b4cb249ff5e06 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Mon, 5 Apr 2010 14:18:34 +0530
Subject: [PATCH 0362/3638] [SCSI] mpt2sas: sanity added to remove duplicate
 port from topology

There are few special cases which needs to be handled deleting old port.

CASE1: In topology you need cascaded expanders. Through sysfs just make sure
topology is up. Erase the manufacturing image of the cascaded expander and
reset the board. In some cases Adapter will receive Exapnder Add event
before expander delete. In such a case, driver needs to delete duplicate
port before adding new port.

CASE2: Enable Device Missing delay of HBA through lsiutils. If expander or
end device is hotswapped with different device before DMD timer expires,
driver will get device add for new device first and then device deletion
event for the original devices will arrive later at DMD timer expires. In
this case also driver need to delete duplicate port before adding port for
new device.

Added new function which will make sure when new port is
added, that its not claiming the same phy resources already in use by
another port. If it does, then it will delete the other port before adding
the new port.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.h      |  2 +
 drivers/scsi/mpt2sas/mpt2sas_transport.c | 84 ++++++++++++++++++++++++
 2 files changed, 86 insertions(+)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 2616bb1597b..454a74a3ec5 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -366,6 +366,7 @@ struct _sas_port {
  * @phy_id: unique phy id
  * @handle: device handle for this phy
  * @attached_handle: device handle for attached device
+ * @phy_belongs_to_port: port has been created for this phy
  */
 struct _sas_phy {
 	struct list_head port_siblings;
@@ -375,6 +376,7 @@ struct _sas_phy {
 	u8	phy_id;
 	u16	handle;
 	u16	attached_handle;
+	u8	phy_belongs_to_port;
 };
 
 /**
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index bb2d2c93718..2727c3b6510 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -465,6 +465,85 @@ _transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc,
 	return rc;
 }
 
+
+/**
+ * _transport_delete_duplicate_port - (see below description)
+ * @ioc: per adapter object
+ * @sas_node: sas node object (either expander or sas host)
+ * @sas_address: sas address of device being added
+ * @phy_num: phy number
+ *
+ * This function is called when attempting to add a new port that is claiming
+ * the same phy resources already in use by another port.  If we don't release
+ * the claimed phy resources, the sas transport layer will hang from the BUG
+ * in sas_port_add_phy.
+ *
+ * The reason we would hit this issue is becuase someone is changing the
+ * sas address of a device on the fly, meanwhile controller firmware sends
+ * EVENTs out of order when removing the previous instance of the device.
+ */
+static void
+_transport_delete_duplicate_port(struct MPT2SAS_ADAPTER *ioc,
+    struct _sas_node *sas_node, u64 sas_address, int phy_num)
+{
+	struct _sas_port *mpt2sas_port, *mpt2sas_port_duplicate;
+	struct _sas_phy *mpt2sas_phy;
+
+	printk(MPT2SAS_ERR_FMT "new device located at sas_addr(0x%016llx), "
+	    "phy_id(%d)\n", ioc->name, (unsigned long long)sas_address,
+	    phy_num);
+
+	mpt2sas_port_duplicate = NULL;
+	list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list, port_list) {
+		dev_printk(KERN_ERR, &mpt2sas_port->port->dev,
+		    "existing device at sas_addr(0x%016llx), num_phys(%d)\n",
+		    (unsigned long long)
+		    mpt2sas_port->remote_identify.sas_address,
+		    mpt2sas_port->num_phys);
+		list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list,
+		    port_siblings) {
+			dev_printk(KERN_ERR, &mpt2sas_phy->phy->dev,
+			    "phy_number(%d)\n", mpt2sas_phy->phy_id);
+			if (mpt2sas_phy->phy_id == phy_num)
+				mpt2sas_port_duplicate = mpt2sas_port;
+		}
+	}
+
+	if (!mpt2sas_port_duplicate)
+		return;
+
+	dev_printk(KERN_ERR, &mpt2sas_port_duplicate->port->dev,
+	    "deleting duplicate device at sas_addr(0x%016llx), phy(%d)!!!!\n",
+	    (unsigned long long)
+	    mpt2sas_port_duplicate->remote_identify.sas_address, phy_num);
+	ioc->logging_level |= MPT_DEBUG_TRANSPORT;
+	mpt2sas_transport_port_remove(ioc,
+	    mpt2sas_port_duplicate->remote_identify.sas_address,
+	    sas_node->sas_address);
+	ioc->logging_level &= ~MPT_DEBUG_TRANSPORT;
+}
+
+/**
+ * _transport_sanity_check - sanity check when adding a new port
+ * @ioc: per adapter object
+ * @sas_node: sas node object (either expander or sas host)
+ * @sas_address: sas address of device being added
+ *
+ * See the explanation above from _transport_delete_duplicate_port
+ */
+static void
+_transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node,
+     u64 sas_address)
+{
+	int i;
+
+	for (i = 0; i < sas_node->num_phys; i++)
+		if (sas_node->phy[i].remote_identify.sas_address == sas_address)
+			if (sas_node->phy[i].phy_belongs_to_port)
+				_transport_delete_duplicate_port(ioc, sas_node,
+					sas_address, i);
+}
+
 /**
  * mpt2sas_transport_port_add - insert port to the list
  * @ioc: per adapter object
@@ -522,6 +601,9 @@ mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 		goto out_fail;
 	}
 
+	_transport_sanity_check(ioc, sas_node,
+	    mpt2sas_port->remote_identify.sas_address);
+
 	for (i = 0; i < sas_node->num_phys; i++) {
 		if (sas_node->phy[i].remote_identify.sas_address !=
 		    mpt2sas_port->remote_identify.sas_address)
@@ -553,6 +635,7 @@ mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 			    mpt2sas_port->remote_identify.sas_address,
 			    mpt2sas_phy->phy_id);
 		sas_port_add_phy(port, mpt2sas_phy->phy);
+		mpt2sas_phy->phy_belongs_to_port = 1;
 	}
 
 	mpt2sas_port->port = port;
@@ -651,6 +734,7 @@ mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
 			    (unsigned long long)
 			    mpt2sas_port->remote_identify.sas_address,
 			    mpt2sas_phy->phy_id);
+		mpt2sas_phy->phy_belongs_to_port = 0;
 		sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
 		list_del(&mpt2sas_phy->port_siblings);
 	}

From ebda4d38df542e1ff4747c4daadfc7da250b4fa6 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Mon, 5 Apr 2010 14:19:21 +0530
Subject: [PATCH 0363/3638] [SCSI] mpt2sas: Send default descriptor for RAID
 pass through in mpt2ctl

RAID_SCSI_IO_PASSTHROUGH: Driver needs to be sending the default
descriptor for RAID Passthru, currently its sending SCSI_IO descriptor.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_ctl.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index ddaa99cdce8..d88e9756d8f 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -744,8 +744,11 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
 		    mpt2sas_base_get_sense_buffer_dma(ioc, smid);
 		priv_sense = mpt2sas_base_get_sense_buffer(ioc, smid);
 		memset(priv_sense, 0, SCSI_SENSE_BUFFERSIZE);
-		mpt2sas_base_put_smid_scsi_io(ioc, smid,
-		    le16_to_cpu(mpi_request->FunctionDependent1));
+		if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)
+			mpt2sas_base_put_smid_scsi_io(ioc, smid,
+			    le16_to_cpu(mpi_request->FunctionDependent1));
+		else
+			mpt2sas_base_put_smid_default(ioc, smid);
 		break;
 	}
 	case MPI2_FUNCTION_SCSI_TASK_MGMT:

From ef7c80c1f18f2c5eea2dabd214f12e0c93ac29cf Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Mon, 5 Apr 2010 14:20:07 +0530
Subject: [PATCH 0364/3638] [SCSI] mpt2sas: Added support for PCIe Advanced
 Error Recovery.

Added support in the driver to support EEH and
PCIe Advanced Error Recovery. This involves adding new
pci_error_handler interface for recovering the controller from PCI Bus
errors, such as SERR and PERR. Some tools are available for simulating
PCI errors in order to validate this interface:
http://www.kernel.org/pub/linux/utils/pci/aer-inject

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c  |   6 ++
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 118 +++++++++++++++++++++++++++
 2 files changed, 124 insertions(+)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index f980b8822f9..b04ccad7d97 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -58,6 +58,7 @@
 #include <linux/sort.h>
 #include <linux/io.h>
 #include <linux/time.h>
+#include <linux/aer.h>
 
 #include "mpt2sas_base.h"
 
@@ -1256,6 +1257,9 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 		goto out_fail;
 	}
 
+	/* AER (Advanced Error Reporting) hooks */
+	pci_enable_pcie_error_reporting(pdev);
+
 	pci_set_master(pdev);
 
 	if (_base_config_dma_addressing(ioc, pdev) != 0) {
@@ -1311,6 +1315,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 	ioc->chip_phys = 0;
 	ioc->pci_irq = -1;
 	pci_release_selected_regions(ioc->pdev, ioc->bars);
+	pci_disable_pcie_error_reporting(pdev);
 	pci_disable_device(pdev);
 	return r;
 }
@@ -3547,6 +3552,7 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
 	ioc->pci_irq = -1;
 	ioc->chip_phys = 0;
 	pci_release_selected_regions(ioc->pdev, ioc->bars);
+	pci_disable_pcie_error_reporting(pdev);
 	pci_disable_device(pdev);
 	return;
 }
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 1f0466aa6c1..bb5659ca128 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -52,6 +52,7 @@
 #include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/interrupt.h>
+#include <linux/aer.h>
 #include <linux/raid_class.h>
 #include <linux/slab.h>
 
@@ -6664,6 +6665,122 @@ _scsih_resume(struct pci_dev *pdev)
 }
 #endif /* CONFIG_PM */
 
+/**
+ * _scsih_pci_error_detected - Called when a PCI error is detected.
+ * @pdev: PCI device struct
+ * @state: PCI channel state
+ *
+ * Description: Called when a PCI error is detected.
+ *
+ * Return value:
+ *      PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
+ */
+static pci_ers_result_t
+_scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
+
+	printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n",
+	    ioc->name, state);
+
+	switch (state) {
+	case pci_channel_io_normal:
+		return PCI_ERS_RESULT_CAN_RECOVER;
+	case pci_channel_io_frozen:
+		scsi_block_requests(ioc->shost);
+		mpt2sas_base_stop_watchdog(ioc);
+		mpt2sas_base_free_resources(ioc);
+		return PCI_ERS_RESULT_NEED_RESET;
+	case pci_channel_io_perm_failure:
+		_scsih_remove(pdev);
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * _scsih_pci_slot_reset - Called when PCI slot has been reset.
+ * @pdev: PCI device struct
+ *
+ * Description: This routine is called by the pci error recovery
+ * code after the PCI slot has been reset, just before we
+ * should resume normal operations.
+ */
+static pci_ers_result_t
+_scsih_pci_slot_reset(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
+	int rc;
+
+	printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n",
+		ioc->name);
+
+	ioc->pdev = pdev;
+	rc = mpt2sas_base_map_resources(ioc);
+	if (rc)
+		return PCI_ERS_RESULT_DISCONNECT;
+
+
+	rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
+	    FORCE_BIG_HAMMER);
+
+	printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name,
+	    (rc == 0) ? "success" : "failed");
+
+	if (!rc)
+		return PCI_ERS_RESULT_RECOVERED;
+	else
+		return PCI_ERS_RESULT_DISCONNECT;
+}
+
+/**
+ * _scsih_pci_resume() - resume normal ops after PCI reset
+ * @pdev: pointer to PCI device
+ *
+ * Called when the error recovery driver tells us that its
+ * OK to resume normal operation. Use completion to allow
+ * halted scsi ops to resume.
+ */
+static void
+_scsih_pci_resume(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
+
+	printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name);
+
+	pci_cleanup_aer_uncorrect_error_status(pdev);
+	mpt2sas_base_start_watchdog(ioc);
+	scsi_unblock_requests(ioc->shost);
+}
+
+/**
+ * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
+ * @pdev: pointer to PCI device
+ */
+static pci_ers_result_t
+_scsih_pci_mmio_enabled(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
+
+	printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n",
+	    ioc->name);
+
+	/* TODO - dump whatever for debugging purposes */
+
+	/* Request a slot reset. */
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+static struct pci_error_handlers _scsih_err_handler = {
+	.error_detected = _scsih_pci_error_detected,
+	.mmio_enabled = _scsih_pci_mmio_enabled,
+	.slot_reset =	_scsih_pci_slot_reset,
+	.resume =	_scsih_pci_resume,
+};
 
 static struct pci_driver scsih_driver = {
 	.name		= MPT2SAS_DRIVER_NAME,
@@ -6671,6 +6788,7 @@ static struct pci_driver scsih_driver = {
 	.probe		= _scsih_probe,
 	.remove		= __devexit_p(_scsih_remove),
 	.shutdown	= _scsih_shutdown,
+	.err_handler	= &_scsih_err_handler,
 #ifdef CONFIG_PM
 	.suspend	= _scsih_suspend,
 	.resume		= _scsih_resume,

From 66a679365780a8d775b1ed03e2576007f7100121 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Mon, 5 Apr 2010 14:21:07 +0530
Subject: [PATCH 0365/3638] [SCSI] mpt2sas: Check for NULL pointer before
 free_pages is added.

Added check before free_pages just to make sure ioc->scsi_lookup is not NULL.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index b04ccad7d97..b830d61684d 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1919,7 +1919,10 @@ _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
 		    ioc->config_page, ioc->config_page_dma);
 	}
 
-	free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
+	if (ioc->scsi_lookup) {
+		free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
+		ioc->scsi_lookup = NULL;
+	}
 	kfree(ioc->hpr_lookup);
 	kfree(ioc->internal_lookup);
 }

From 40364a40b68a26cc882df05f7cc7f0ad87aac935 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Mon, 5 Apr 2010 14:21:48 +0530
Subject: [PATCH 0366/3638] [SCSI] mpt2sas: Upgrade version 05.100.00.01

Upgraded version string.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 454a74a3ec5..21aa397bf8d 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -69,11 +69,11 @@
 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
 #define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION		"05.100.00.00"
+#define MPT2SAS_DRIVER_VERSION		"05.100.00.01"
 #define MPT2SAS_MAJOR_VERSION		05
 #define MPT2SAS_MINOR_VERSION		100
 #define MPT2SAS_BUILD_VERSION		00
-#define MPT2SAS_RELEASE_VERSION		00
+#define MPT2SAS_RELEASE_VERSION		01
 
 /*
  * Set MPT2SAS_SG_DEPTH value based on user input.

From b19a061a785db22401b62cc4ee2baf95d5c7e2e7 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Tue, 6 Apr 2010 14:48:51 -0400
Subject: [PATCH 0367/3638] [SCSI] lpfc 8.3.12: Emulex SLI enhancements

- Add the new Logical Link speed event support.
- Add RATOV and EDTOV to the REG_VFI mailbox command.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_hw.h   |   1 +
 drivers/scsi/lpfc/lpfc_hw4.h  |  53 +++++++++++-
 drivers/scsi/lpfc/lpfc_init.c |  30 +++++++
 drivers/scsi/lpfc/lpfc_mbox.c |   2 +
 drivers/scsi/lpfc/lpfc_sli.c  | 154 ++++++++++++++++++++++++++--------
 drivers/scsi/lpfc/lpfc_sli.h  |   1 +
 drivers/scsi/lpfc/lpfc_sli4.h |   4 +-
 7 files changed, 206 insertions(+), 39 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 6c71ea41663..6ba1f307ccc 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1500,6 +1500,7 @@ typedef struct {		/* FireFly BIU registers */
 #define MBXERR_BAD_RCV_LENGTH       14
 #define MBXERR_DMA_ERROR            15
 #define MBXERR_ERROR                16
+#define MBXERR_UNKNOWN_CMD          18
 #define MBXERR_LINK_DOWN            0x33
 #define MBX_NOT_FINISHED           255
 
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index bff98add80c..bbdcf96800f 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -787,6 +787,7 @@ struct mbox_header {
 #define LPFC_MBOX_OPCODE_EQ_DESTROY		0x37
 #define LPFC_MBOX_OPCODE_QUERY_FW_CFG		0x3A
 #define LPFC_MBOX_OPCODE_FUNCTION_RESET		0x3D
+#define LPFC_MBOX_OPCODE_MQ_CREATE_EXT		0x5A
 
 /* FCoE Opcodes */
 #define LPFC_MBOX_OPCODE_FCOE_WQ_CREATE			0x01
@@ -1108,6 +1109,39 @@ struct lpfc_mbx_mq_create {
 	} u;
 };
 
+struct lpfc_mbx_mq_create_ext {
+	struct mbox_header header;
+	union {
+		struct {
+			uint32_t word0;
+#define lpfc_mbx_mq_create_ext_num_pages_SHIFT		0
+#define lpfc_mbx_mq_create_ext_num_pages_MASK		0x0000FFFF
+#define lpfc_mbx_mq_create_ext_num_pages_WORD		word0
+			uint32_t async_evt_bmap;
+#define lpfc_mbx_mq_create_ext_async_evt_link_SHIFT	LPFC_TRAILER_CODE_LINK
+#define lpfc_mbx_mq_create_ext_async_evt_link_MASK	0x00000001
+#define lpfc_mbx_mq_create_ext_async_evt_link_WORD	async_evt_bmap
+#define lpfc_mbx_mq_create_ext_async_evt_fcfste_SHIFT	LPFC_TRAILER_CODE_FCOE
+#define lpfc_mbx_mq_create_ext_async_evt_fcfste_MASK	0x00000001
+#define lpfc_mbx_mq_create_ext_async_evt_fcfste_WORD	async_evt_bmap
+#define lpfc_mbx_mq_create_ext_async_evt_group5_SHIFT	LPFC_TRAILER_CODE_GRP5
+#define lpfc_mbx_mq_create_ext_async_evt_group5_MASK	0x00000001
+#define lpfc_mbx_mq_create_ext_async_evt_group5_WORD	async_evt_bmap
+			struct mq_context context;
+			struct dma_address page[LPFC_MAX_MQ_PAGE];
+		} request;
+		struct {
+			uint32_t word0;
+#define lpfc_mbx_mq_create_q_id_SHIFT	0
+#define lpfc_mbx_mq_create_q_id_MASK	0x0000FFFF
+#define lpfc_mbx_mq_create_q_id_WORD	word0
+		} response;
+	} u;
+#define LPFC_ASYNC_EVENT_LINK_STATE	0x2
+#define LPFC_ASYNC_EVENT_FCF_STATE	0x4
+#define LPFC_ASYNC_EVENT_GROUP5		0x20
+};
+
 struct lpfc_mbx_mq_destroy {
 	struct mbox_header header;
 	union {
@@ -1434,8 +1468,8 @@ struct lpfc_mbx_reg_vfi {
 #define lpfc_reg_vfi_fcfi_WORD		word2
 	uint32_t wwn[2];
 	struct ulp_bde64 bde;
-	uint32_t word8_rsvd;
-	uint32_t word9_rsvd;
+	uint32_t e_d_tov;
+	uint32_t r_a_tov;
 	uint32_t word10;
 #define lpfc_reg_vfi_nport_id_SHIFT		0
 #define lpfc_reg_vfi_nport_id_MASK		0x00FFFFFF
@@ -2048,6 +2082,7 @@ struct lpfc_mqe {
 		struct lpfc_mbx_reg_fcfi reg_fcfi;
 		struct lpfc_mbx_unreg_fcfi unreg_fcfi;
 		struct lpfc_mbx_mq_create mq_create;
+		struct lpfc_mbx_mq_create_ext mq_create_ext;
 		struct lpfc_mbx_eq_create eq_create;
 		struct lpfc_mbx_cq_create cq_create;
 		struct lpfc_mbx_wq_create wq_create;
@@ -2106,6 +2141,7 @@ struct lpfc_mcqe {
 #define LPFC_TRAILER_CODE_LINK	0x1
 #define LPFC_TRAILER_CODE_FCOE	0x2
 #define LPFC_TRAILER_CODE_DCBX	0x3
+#define LPFC_TRAILER_CODE_GRP5	0x5
 };
 
 struct lpfc_acqe_link {
@@ -2175,6 +2211,19 @@ struct lpfc_acqe_dcbx {
 	uint32_t trailer;
 };
 
+struct lpfc_acqe_grp5 {
+	uint32_t word0;
+#define lpfc_acqe_grp5_pport_SHIFT	0
+#define lpfc_acqe_grp5_pport_MASK	0x000000FF
+#define lpfc_acqe_grp5_pport_WORD	word0
+	uint32_t word1;
+#define lpfc_acqe_grp5_llink_spd_SHIFT	16
+#define lpfc_acqe_grp5_llink_spd_MASK	0x0000FFFF
+#define lpfc_acqe_grp5_llink_spd_WORD	word1
+	uint32_t event_tag;
+	uint32_t trailer;
+};
+
 /*
  * Define the bootstrap mailbox (bmbx) region used to communicate
  * mailbox command between the host and port. The mailbox consists
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 56421c714bf..8341d44fe87 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -3525,6 +3525,32 @@ lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
 			"handled yet\n");
 }
 
+/**
+ * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async grp5 completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
+ * is an asynchronous notified of a logical link speed change.  The Port
+ * reports the logical link speed in units of 10Mbps.
+ **/
+static void
+lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
+			 struct lpfc_acqe_grp5 *acqe_grp5)
+{
+	uint16_t prev_ll_spd;
+
+	phba->fc_eventTag = acqe_grp5->event_tag;
+	phba->fcoe_eventtag = acqe_grp5->event_tag;
+	prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
+	phba->sli4_hba.link_state.logical_speed =
+		(bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5));
+	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+			"2789 GRP5 Async Event: Updating logical link speed "
+			"from %dMbps to %dMbps\n", (prev_ll_spd * 10),
+			(phba->sli4_hba.link_state.logical_speed*10));
+}
+
 /**
  * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
  * @phba: pointer to lpfc hba data structure.
@@ -3561,6 +3587,10 @@ void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
 			lpfc_sli4_async_dcbx_evt(phba,
 						 &cq_event->cqe.acqe_dcbx);
 			break;
+		case LPFC_TRAILER_CODE_GRP5:
+			lpfc_sli4_async_grp5_evt(phba,
+						 &cq_event->cqe.acqe_grp5);
+			break;
 		default:
 			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
 					"1804 Invalid asynchrous event code: "
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index a6b7f5a0210..f9b056ec618 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1899,6 +1899,8 @@ lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
 	memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name));
 	reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]);
 	reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]);
+	reg_vfi->e_d_tov = vport->phba->fc_edtov;
+	reg_vfi->r_a_tov = vport->phba->fc_ratov;
 	reg_vfi->bde.addrHigh = putPaddrHigh(phys);
 	reg_vfi->bde.addrLow = putPaddrLow(phys);
 	reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam);
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 2f701882153..2c88999b709 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -9834,38 +9834,27 @@ out:
 }
 
 /**
- * lpfc_mq_create - Create a mailbox Queue on the HBA
+ * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration
  * @phba: HBA structure that indicates port to create a queue on.
  * @mq: The queue structure to use to create the mailbox queue.
+ * @mbox: An allocated pointer to type LPFC_MBOXQ_t
+ * @cq: The completion queue to associate with this cq.
  *
- * This function creates a mailbox queue, as detailed in @mq, on a port,
- * described by @phba by sending a MQ_CREATE mailbox command to the HBA.
+ * This function provides failback (fb) functionality when the
+ * mq_create_ext fails on older FW generations.  It's purpose is identical
+ * to mq_create_ext otherwise.
  *
- * The @phba struct is used to send mailbox command to HBA. The @cq struct
- * is used to get the entry count and entry size that are necessary to
- * determine the number of pages to allocate and use for this queue. This
- * function will send the MQ_CREATE mailbox command to the HBA to setup the
- * mailbox queue. This function is asynchronous and will wait for the mailbox
- * command to finish before continuing.
- *
- * On success this function will return a zero. If unable to allocate enough
- * memory this function will return ENOMEM. If the queue create mailbox command
- * fails this function will return ENXIO.
+ * This routine cannot fail as all attributes were previously accessed and
+ * initialized in mq_create_ext.
  **/
-uint32_t
-lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
-	       struct lpfc_queue *cq, uint32_t subtype)
+static void
+lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq,
+		       LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq)
 {
 	struct lpfc_mbx_mq_create *mq_create;
 	struct lpfc_dmabuf *dmabuf;
-	LPFC_MBOXQ_t *mbox;
-	int rc, length, status = 0;
-	uint32_t shdr_status, shdr_add_status;
-	union lpfc_sli4_cfg_shdr *shdr;
+	int length;
 
-	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
-	if (!mbox)
-		return -ENOMEM;
 	length = (sizeof(struct lpfc_mbx_mq_create) -
 		  sizeof(struct lpfc_sli4_cfg_mhdr));
 	lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
@@ -9873,18 +9862,11 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
 			 length, LPFC_SLI4_MBX_EMBED);
 	mq_create = &mbox->u.mqe.un.mq_create;
 	bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request,
-		    mq->page_count);
+	       mq->page_count);
 	bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context,
-		    cq->queue_id);
+	       cq->queue_id);
 	bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1);
 	switch (mq->entry_count) {
-	default:
-		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
-				"0362 Unsupported MQ count. (%d)\n",
-				mq->entry_count);
-		if (mq->entry_count < 16)
-			return -EINVAL;
-		/* otherwise default to smallest count (drop through) */
 	case 16:
 		bf_set(lpfc_mq_context_count, &mq_create->u.request.context,
 		       LPFC_MQ_CNT_16);
@@ -9904,13 +9886,116 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
 	}
 	list_for_each_entry(dmabuf, &mq->page_list, list) {
 		mq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
-					putPaddrLow(dmabuf->phys);
+			putPaddrLow(dmabuf->phys);
 		mq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
+			putPaddrHigh(dmabuf->phys);
+	}
+}
+
+/**
+ * lpfc_mq_create - Create a mailbox Queue on the HBA
+ * @phba: HBA structure that indicates port to create a queue on.
+ * @mq: The queue structure to use to create the mailbox queue.
+ * @cq: The completion queue to associate with this cq.
+ * @subtype: The queue's subtype.
+ *
+ * This function creates a mailbox queue, as detailed in @mq, on a port,
+ * described by @phba by sending a MQ_CREATE mailbox command to the HBA.
+ *
+ * The @phba struct is used to send mailbox command to HBA. The @cq struct
+ * is used to get the entry count and entry size that are necessary to
+ * determine the number of pages to allocate and use for this queue. This
+ * function will send the MQ_CREATE mailbox command to the HBA to setup the
+ * mailbox queue. This function is asynchronous and will wait for the mailbox
+ * command to finish before continuing.
+ *
+ * On success this function will return a zero. If unable to allocate enough
+ * memory this function will return ENOMEM. If the queue create mailbox command
+ * fails this function will return ENXIO.
+ **/
+int32_t
+lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
+	       struct lpfc_queue *cq, uint32_t subtype)
+{
+	struct lpfc_mbx_mq_create *mq_create;
+	struct lpfc_mbx_mq_create_ext *mq_create_ext;
+	struct lpfc_dmabuf *dmabuf;
+	LPFC_MBOXQ_t *mbox;
+	int rc, length, status = 0;
+	uint32_t shdr_status, shdr_add_status;
+	union lpfc_sli4_cfg_shdr *shdr;
+
+
+	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mbox)
+		return -ENOMEM;
+	length = (sizeof(struct lpfc_mbx_mq_create_ext) -
+		  sizeof(struct lpfc_sli4_cfg_mhdr));
+	lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
+			 LPFC_MBOX_OPCODE_MQ_CREATE_EXT,
+			 length, LPFC_SLI4_MBX_EMBED);
+
+	mq_create_ext = &mbox->u.mqe.un.mq_create_ext;
+	bf_set(lpfc_mbx_mq_create_ext_num_pages, &mq_create_ext->u.request,
+		    mq->page_count);
+	bf_set(lpfc_mbx_mq_create_ext_async_evt_link, &mq_create_ext->u.request,
+	       1);
+	bf_set(lpfc_mbx_mq_create_ext_async_evt_fcfste,
+	       &mq_create_ext->u.request, 1);
+	bf_set(lpfc_mbx_mq_create_ext_async_evt_group5,
+	       &mq_create_ext->u.request, 1);
+	bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context,
+	       cq->queue_id);
+	bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1);
+	switch (mq->entry_count) {
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"0362 Unsupported MQ count. (%d)\n",
+				mq->entry_count);
+		if (mq->entry_count < 16)
+			return -EINVAL;
+		/* otherwise default to smallest count (drop through) */
+	case 16:
+		bf_set(lpfc_mq_context_count, &mq_create_ext->u.request.context,
+		       LPFC_MQ_CNT_16);
+		break;
+	case 32:
+		bf_set(lpfc_mq_context_count, &mq_create_ext->u.request.context,
+		       LPFC_MQ_CNT_32);
+		break;
+	case 64:
+		bf_set(lpfc_mq_context_count, &mq_create_ext->u.request.context,
+		       LPFC_MQ_CNT_64);
+		break;
+	case 128:
+		bf_set(lpfc_mq_context_count, &mq_create_ext->u.request.context,
+		       LPFC_MQ_CNT_128);
+		break;
+	}
+	list_for_each_entry(dmabuf, &mq->page_list, list) {
+		mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo =
+					putPaddrLow(dmabuf->phys);
+		mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi =
 					putPaddrHigh(dmabuf->phys);
 	}
 	rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
+	shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr;
+	mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id,
+			      &mq_create_ext->u.response);
+	if (rc != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2795 MQ_CREATE_EXT failed with "
+				"status x%x. Failback to MQ_CREATE.\n",
+				rc);
+		lpfc_mq_create_fb_init(phba, mq, mbox, cq);
+		mq_create = &mbox->u.mqe.un.mq_create;
+		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
+		shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr;
+		mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id,
+				      &mq_create->u.response);
+	}
+
 	/* The IOCTL status is embedded in the mailbox subheader. */
-	shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr;
 	shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
 	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
 	if (shdr_status || shdr_add_status || rc) {
@@ -9921,7 +10006,6 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
 		status = -ENXIO;
 		goto out;
 	}
-	mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, &mq_create->u.response);
 	if (mq->queue_id == 0xFFFF) {
 		status = -ENXIO;
 		goto out;
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index 54a5e0bc827..e3792151ca0 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -36,6 +36,7 @@ struct lpfc_cq_event {
 		struct lpfc_acqe_link		acqe_link;
 		struct lpfc_acqe_fcoe		acqe_fcoe;
 		struct lpfc_acqe_dcbx		acqe_dcbx;
+		struct lpfc_acqe_grp5		acqe_grp5;
 		struct lpfc_rcqe		rcqe_cmpl;
 		struct sli4_wcqe_xri_aborted	wcqe_axri;
 		struct lpfc_wcqe_complete	wcqe_cmpl;
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 5b6cb9742c5..58bb4c81b54 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -493,8 +493,8 @@ void lpfc_sli4_queue_free(struct lpfc_queue *);
 uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 			struct lpfc_queue *, uint32_t, uint32_t);
-uint32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
-			struct lpfc_queue *, uint32_t);
+int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
+		       struct lpfc_queue *, uint32_t);
 uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 			struct lpfc_queue *, uint32_t);
 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,

From 15672319e3da68bb3f710e724185f4524722a6fa Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Tue, 6 Apr 2010 14:49:03 -0400
Subject: [PATCH 0368/3638] [SCSI] lpfc 8.3.12: Miscellaneous Changes

- Prevent log message 1801 during vport delete.
- Enable NPIV by default.
- Display correct value for max Vports on SLI4 HBAs.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_attr.c  | 18 ++++++++++++------
 drivers/scsi/lpfc/lpfc_vport.c |  4 +++-
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 5df15c65b35..2e5f376d9cc 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -869,6 +869,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
 	LPFC_MBOXQ_t *pmboxq;
 	MAILBOX_t *pmb;
 	int rc = 0;
+	uint32_t max_vpi;
 
 	/*
 	 * prevent udev from issuing mailbox commands until the port is
@@ -916,11 +917,17 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
 		if (axri)
 			*axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
 					phba->sli4_hba.max_cfg_param.xri_used;
+
+		/* Account for differences with SLI-3.  Get vpi count from
+		 * mailbox data and subtract one for max vpi value.
+		 */
+		max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
+			(bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;
+
 		if (mvpi)
-			*mvpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
+			*mvpi = max_vpi;
 		if (avpi)
-			*avpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) -
-					phba->sli4_hba.max_cfg_param.vpi_used;
+			*avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used;
 	} else {
 		if (mrpi)
 			*mrpi = pmb->un.varRdConfig.max_rpi;
@@ -1925,13 +1932,12 @@ MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
 		 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
 		 " 3 - select SLI-3");
 
-int lpfc_enable_npiv = 0;
+int lpfc_enable_npiv = 1;
 module_param(lpfc_enable_npiv, int, 0);
 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
 lpfc_param_show(enable_npiv);
 lpfc_param_init(enable_npiv, 1, 0, 1);
-static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
-			 lpfc_enable_npiv_show, NULL);
+static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL);
 
 /*
 # lpfc_suppress_link_up:  Bring link up at initialization
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index ffd575c379f..ab91359bde2 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -763,7 +763,9 @@ lpfc_create_vport_work_array(struct lpfc_hba *phba)
 	spin_lock_irq(&phba->hbalock);
 	list_for_each_entry(port_iterator, &phba->port_list, listentry) {
 		if (!scsi_host_get(lpfc_shost_from_vport(port_iterator))) {
-			lpfc_printf_vlog(port_iterator, KERN_WARNING, LOG_VPORT,
+			if (!(port_iterator->load_flag & FC_UNLOADING))
+				lpfc_printf_vlog(port_iterator, KERN_ERR,
+					 LOG_VPORT,
 					 "1801 Create vport work array FAILED: "
 					 "cannot do scsi_host_get\n");
 			continue;

From 6c8eea54ec62c1a3fdb21de583639c49dcdc8811 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Tue, 6 Apr 2010 14:49:53 -0400
Subject: [PATCH 0369/3638] [SCSI] lpfc 8.3.12: T10-PI/DIF changes

Update driver for change in T10-PI interface on adapter
- Remove Profiles.
- Add new SLI Opcodes.
- Add new PDE structures used for BlockGuard.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_hw.h   | 165 ++++++++++++++++------------------
 drivers/scsi/lpfc/lpfc_scsi.c | 147 ++++++++++++++++++++----------
 2 files changed, 175 insertions(+), 137 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 6ba1f307ccc..0cf9a2bd346 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1500,7 +1500,6 @@ typedef struct {		/* FireFly BIU registers */
 #define MBXERR_BAD_RCV_LENGTH       14
 #define MBXERR_DMA_ERROR            15
 #define MBXERR_ERROR                16
-#define MBXERR_UNKNOWN_CMD          18
 #define MBXERR_LINK_DOWN            0x33
 #define MBX_NOT_FINISHED           255
 
@@ -1566,95 +1565,83 @@ enum lpfc_protgrp_type {
 };
 
 /* PDE Descriptors */
-#define LPFC_PDE1_DESCRIPTOR		0x81
-#define LPFC_PDE2_DESCRIPTOR		0x82
-#define LPFC_PDE3_DESCRIPTOR		0x83
+#define LPFC_PDE5_DESCRIPTOR		0x85
+#define LPFC_PDE6_DESCRIPTOR		0x86
+#define LPFC_PDE7_DESCRIPTOR		0x87
 
-/* BlockGuard Profiles */
-enum lpfc_bg_prof_codes {
-	LPFC_PROF_INVALID,
-	LPFC_PROF_A1	= 128,	/* Full Protection			      */
-	LPFC_PROF_A2,		/* Disabled Protection Checks:A2~A4           */
-	LPFC_PROF_A3,
-	LPFC_PROF_A4,
-	LPFC_PROF_B1,		/* Embedded DIFs: B1~B3	                      */
-	LPFC_PROF_B2,
-	LPFC_PROF_B3,
-	LPFC_PROF_C1,		/* Separate DIFs: C1~C3                       */
-	LPFC_PROF_C2,
-	LPFC_PROF_C3,
-	LPFC_PROF_D1,		/* Full Protection                            */
-	LPFC_PROF_D2,		/* Partial Protection & Check Disabling       */
-	LPFC_PROF_D3,
-	LPFC_PROF_E1,		/* E1~E4:out - check-only, in - update apptag */
-	LPFC_PROF_E2,
-	LPFC_PROF_E3,
-	LPFC_PROF_E4,
-	LPFC_PROF_F1,		/* Full Translation - F1 Prot Descriptor      */
-				/* F1 Translation BDE                         */
-	LPFC_PROF_ANT1,		/* TCP checksum, DIF inline with data buffers */
-	LPFC_PROF_AST1,		/* TCP checksum, DIF split from data buffer   */
-	LPFC_PROF_ANT2,
-	LPFC_PROF_AST2
+/* BlockGuard Opcodes */
+#define BG_OP_IN_NODIF_OUT_CRC		0x0
+#define	BG_OP_IN_CRC_OUT_NODIF		0x1
+#define	BG_OP_IN_NODIF_OUT_CSUM		0x2
+#define	BG_OP_IN_CSUM_OUT_NODIF		0x3
+#define	BG_OP_IN_CRC_OUT_CRC		0x4
+#define	BG_OP_IN_CSUM_OUT_CSUM		0x5
+#define	BG_OP_IN_CRC_OUT_CSUM		0x6
+#define	BG_OP_IN_CSUM_OUT_CRC		0x7
+
+struct lpfc_pde5 {
+	uint32_t word0;
+#define pde5_type_SHIFT		24
+#define pde5_type_MASK		0x000000ff
+#define pde5_type_WORD		word0
+#define pde5_rsvd0_SHIFT	0
+#define pde5_rsvd0_MASK		0x00ffffff
+#define pde5_rsvd0_WORD		word0
+	uint32_t reftag;	/* Reference Tag Value			*/
+	uint32_t reftagtr;	/* Reference Tag Translation Value 	*/
 };
 
-/* BlockGuard error-control defines */
-#define BG_EC_STOP_ERR			0x00
-#define BG_EC_CONT_ERR			0x01
-#define BG_EC_IGN_UNINIT_STOP_ERR	0x10
-#define BG_EC_IGN_UNINIT_CONT_ERR	0x11
-
-/* PDE (Protection Descriptor Entry) word 0 bit masks and shifts */
-#define PDE_DESC_TYPE_MASK		0xff000000
-#define PDE_DESC_TYPE_SHIFT		24
-#define PDE_BG_PROFILE_MASK		0x00ff0000
-#define PDE_BG_PROFILE_SHIFT		16
-#define PDE_BLOCK_LEN_MASK		0x0000fffc
-#define PDE_BLOCK_LEN_SHIFT		2
-#define PDE_ERR_CTRL_MASK		0x00000003
-#define PDE_ERR_CTRL_SHIFT		0
-/* PDE word 1 bit masks and shifts */
-#define PDE_APPTAG_MASK_MASK		0xffff0000
-#define PDE_APPTAG_MASK_SHIFT		16
-#define PDE_APPTAG_VAL_MASK		0x0000ffff
-#define PDE_APPTAG_VAL_SHIFT		0
-struct lpfc_pde {
-	uint32_t parms;     /* bitfields of descriptor, prof, len, and ec */
-	uint32_t apptag;    /* bitfields of app tag maskand app tag value */
-	uint32_t reftag;    /* reference tag occupying all 32 bits        */
+struct lpfc_pde6 {
+	uint32_t word0;
+#define pde6_type_SHIFT		24
+#define pde6_type_MASK		0x000000ff
+#define pde6_type_WORD		word0
+#define pde6_rsvd0_SHIFT	0
+#define pde6_rsvd0_MASK		0x00ffffff
+#define pde6_rsvd0_WORD		word0
+	uint32_t word1;
+#define pde6_rsvd1_SHIFT	26
+#define pde6_rsvd1_MASK		0x0000003f
+#define pde6_rsvd1_WORD		word1
+#define pde6_na_SHIFT		25
+#define pde6_na_MASK		0x00000001
+#define pde6_na_WORD		word1
+#define pde6_rsvd2_SHIFT	16
+#define pde6_rsvd2_MASK		0x000001FF
+#define pde6_rsvd2_WORD		word1
+#define pde6_apptagtr_SHIFT	0
+#define pde6_apptagtr_MASK	0x0000ffff
+#define pde6_apptagtr_WORD	word1
+	uint32_t word2;
+#define pde6_optx_SHIFT		28
+#define pde6_optx_MASK		0x0000000f
+#define pde6_optx_WORD		word2
+#define pde6_oprx_SHIFT		24
+#define pde6_oprx_MASK		0x0000000f
+#define pde6_oprx_WORD		word2
+#define pde6_nr_SHIFT		23
+#define pde6_nr_MASK		0x00000001
+#define pde6_nr_WORD		word2
+#define pde6_ce_SHIFT		22
+#define pde6_ce_MASK		0x00000001
+#define pde6_ce_WORD		word2
+#define pde6_re_SHIFT		21
+#define pde6_re_MASK		0x00000001
+#define pde6_re_WORD		word2
+#define pde6_ae_SHIFT		20
+#define pde6_ae_MASK		0x00000001
+#define pde6_ae_WORD		word2
+#define pde6_ai_SHIFT		19
+#define pde6_ai_MASK		0x00000001
+#define pde6_ai_WORD		word2
+#define pde6_bs_SHIFT		16
+#define pde6_bs_MASK		0x00000007
+#define pde6_bs_WORD		word2
+#define pde6_apptagval_SHIFT	0
+#define pde6_apptagval_MASK	0x0000ffff
+#define pde6_apptagval_WORD	word2
 };
 
-/* inline function to set fields in parms of PDE */
-static inline void
-lpfc_pde_set_bg_parms(struct lpfc_pde *p, u8 desc, u8 prof, u16 len, u8 ec)
-{
-	uint32_t *wp = &p->parms;
-
-	/* spec indicates that adapter appends two 0's to length field */
-	len = len >> 2;
-
-	*wp &= 0;
-	*wp |= ((desc << PDE_DESC_TYPE_SHIFT) & PDE_DESC_TYPE_MASK);
-	*wp |= ((prof << PDE_BG_PROFILE_SHIFT) & PDE_BG_PROFILE_MASK);
-	*wp |= ((len << PDE_BLOCK_LEN_SHIFT) & PDE_BLOCK_LEN_MASK);
-	*wp |= ((ec << PDE_ERR_CTRL_SHIFT) & PDE_ERR_CTRL_MASK);
-	*wp = le32_to_cpu(*wp);
-}
-
-/* inline function to set apptag and reftag fields of PDE */
-static inline void
-lpfc_pde_set_dif_parms(struct lpfc_pde *p, u16 apptagmask, u16 apptagval,
-		u32 reftag)
-{
-	uint32_t *wp = &p->apptag;
-	*wp &= 0;
-	*wp |= ((apptagmask << PDE_APPTAG_MASK_SHIFT) & PDE_APPTAG_MASK_MASK);
-	*wp |= ((apptagval << PDE_APPTAG_VAL_SHIFT) & PDE_APPTAG_VAL_MASK);
-	*wp = le32_to_cpu(*wp);
-	wp = &p->reftag;
-	*wp = le32_to_cpu(reftag);
-}
-
 
 /* Structure for MB Command LOAD_SM and DOWN_LOAD */
 
@@ -2488,8 +2475,8 @@ typedef struct {
 #define  DMP_VPORT_REGION_SIZE	 0x200
 #define  DMP_MBOX_OFFSET_WORD	 0x5
 
-#define  DMP_REGION_23	 	 0x17   /* fcoe param  and port state region */
-#define  DMP_RGN23_SIZE	 	 0x400
+#define  DMP_REGION_23		 0x17   /* fcoe param  and port state region */
+#define  DMP_RGN23_SIZE		 0x400
 
 #define  WAKE_UP_PARMS_REGION_ID    4
 #define  WAKE_UP_PARMS_WORD_SIZE   15
@@ -2504,9 +2491,9 @@ struct vport_rec {
 #define VPORT_INFO_REV 0x1
 #define MAX_STATIC_VPORT_COUNT 16
 struct static_vport_info {
-	uint32_t 		signature;
+	uint32_t		signature;
 	uint32_t		rev;
-	struct vport_rec 	vport_list[MAX_STATIC_VPORT_COUNT];
+	struct vport_rec	vport_list[MAX_STATIC_VPORT_COUNT];
 	uint32_t		resvd[66];
 };
 
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index dccdb822328..f4a3b2e79ee 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1141,37 +1141,47 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 }
 
 /*
- * Given a scsi cmnd, determine the BlockGuard profile to be used
- * with the cmd
+ * Given a scsi cmnd, determine the BlockGuard opcodes to be used with it
+ * @sc: The SCSI command to examine
+ * @txopt: (out) BlockGuard operation for transmitted data
+ * @rxopt: (out) BlockGuard operation for received data
+ *
+ * Returns: zero on success; non-zero if tx and/or rx op cannot be determined
+ *
  */
 static int
-lpfc_sc_to_sli_prof(struct lpfc_hba *phba, struct scsi_cmnd *sc)
+lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
+		uint8_t *txop, uint8_t *rxop)
 {
 	uint8_t guard_type = scsi_host_get_guard(sc->device->host);
-	uint8_t ret_prof = LPFC_PROF_INVALID;
+	uint8_t ret = 0;
 
 	if (guard_type == SHOST_DIX_GUARD_IP) {
 		switch (scsi_get_prot_op(sc)) {
 		case SCSI_PROT_READ_INSERT:
 		case SCSI_PROT_WRITE_STRIP:
-			ret_prof = LPFC_PROF_AST2;
+			*txop = BG_OP_IN_CSUM_OUT_NODIF;
+			*rxop = BG_OP_IN_NODIF_OUT_CSUM;
 			break;
 
 		case SCSI_PROT_READ_STRIP:
 		case SCSI_PROT_WRITE_INSERT:
-			ret_prof = LPFC_PROF_A1;
+			*txop = BG_OP_IN_NODIF_OUT_CRC;
+			*rxop = BG_OP_IN_CRC_OUT_NODIF;
 			break;
 
 		case SCSI_PROT_READ_PASS:
 		case SCSI_PROT_WRITE_PASS:
-			ret_prof = LPFC_PROF_AST1;
+			*txop = BG_OP_IN_CSUM_OUT_CRC;
+			*rxop = BG_OP_IN_CRC_OUT_CSUM;
 			break;
 
 		case SCSI_PROT_NORMAL:
 		default:
 			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
-				"9063 BLKGRD:Bad op/guard:%d/%d combination\n",
+				"9063 BLKGRD: Bad op/guard:%d/%d combination\n",
 					scsi_get_prot_op(sc), guard_type);
+			ret = 1;
 			break;
 
 		}
@@ -1179,12 +1189,14 @@ lpfc_sc_to_sli_prof(struct lpfc_hba *phba, struct scsi_cmnd *sc)
 		switch (scsi_get_prot_op(sc)) {
 		case SCSI_PROT_READ_STRIP:
 		case SCSI_PROT_WRITE_INSERT:
-			ret_prof = LPFC_PROF_A1;
+			*txop = BG_OP_IN_NODIF_OUT_CRC;
+			*rxop = BG_OP_IN_CRC_OUT_NODIF;
 			break;
 
 		case SCSI_PROT_READ_PASS:
 		case SCSI_PROT_WRITE_PASS:
-			ret_prof = LPFC_PROF_C1;
+			*txop = BG_OP_IN_CRC_OUT_CRC;
+			*rxop = BG_OP_IN_CRC_OUT_CRC;
 			break;
 
 		case SCSI_PROT_READ_INSERT:
@@ -1194,6 +1206,7 @@ lpfc_sc_to_sli_prof(struct lpfc_hba *phba, struct scsi_cmnd *sc)
 			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
 				"9075 BLKGRD: Bad op/guard:%d/%d combination\n",
 					scsi_get_prot_op(sc), guard_type);
+			ret = 1;
 			break;
 		}
 	} else {
@@ -1201,7 +1214,7 @@ lpfc_sc_to_sli_prof(struct lpfc_hba *phba, struct scsi_cmnd *sc)
 		BUG();
 	}
 
-	return ret_prof;
+	return ret;
 }
 
 struct scsi_dif_tuple {
@@ -1266,7 +1279,9 @@ lpfc_get_cmd_dif_parms(struct scsi_cmnd *sc, uint16_t *apptagmask,
  * The buffer list consists of just one protection group described
  * below:
  *                                +-------------------------+
- *   start of prot group  -->     |          PDE_1          |
+ *   start of prot group  -->     |          PDE_5          |
+ *                                +-------------------------+
+ *                                |          PDE_6          |
  *                                +-------------------------+
  *                                |         Data BDE        |
  *                                +-------------------------+
@@ -1284,30 +1299,49 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 		struct ulp_bde64 *bpl, int datasegcnt)
 {
 	struct scatterlist *sgde = NULL; /* s/g data entry */
-	struct lpfc_pde *pde1 = NULL;
+	struct lpfc_pde5 *pde5 = NULL;
+	struct lpfc_pde6 *pde6 = NULL;
 	dma_addr_t physaddr;
-	int i = 0, num_bde = 0;
+	int i = 0, num_bde = 0, status;
 	int datadir = sc->sc_data_direction;
-	int prof = LPFC_PROF_INVALID;
 	unsigned blksize;
 	uint32_t reftag;
 	uint16_t apptagmask, apptagval;
+	uint8_t txop, rxop;
 
-	pde1 = (struct lpfc_pde *) bpl;
-	prof = lpfc_sc_to_sli_prof(phba, sc);
-
-	if (prof == LPFC_PROF_INVALID)
+	status  = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop);
+	if (status)
 		goto out;
 
-	/* extract some info from the scsi command for PDE1*/
+	/* extract some info from the scsi command for pde*/
 	blksize = lpfc_cmd_blksize(sc);
 	lpfc_get_cmd_dif_parms(sc, &apptagmask, &apptagval, &reftag);
 
-	/* setup PDE1 with what we have */
-	lpfc_pde_set_bg_parms(pde1, LPFC_PDE1_DESCRIPTOR, prof, blksize,
-			BG_EC_STOP_ERR);
-	lpfc_pde_set_dif_parms(pde1, apptagmask, apptagval, reftag);
+	/* setup PDE5 with what we have */
+	pde5 = (struct lpfc_pde5 *) bpl;
+	memset(pde5, 0, sizeof(struct lpfc_pde5));
+	bf_set(pde5_type, pde5, LPFC_PDE5_DESCRIPTOR);
+	pde5->reftag = reftag;
 
+	/* advance bpl and increment bde count */
+	num_bde++;
+	bpl++;
+	pde6 = (struct lpfc_pde6 *) bpl;
+
+	/* setup PDE6 with the rest of the info */
+	memset(pde6, 0, sizeof(struct lpfc_pde6));
+	bf_set(pde6_type, pde6, LPFC_PDE6_DESCRIPTOR);
+	bf_set(pde6_optx, pde6, txop);
+	bf_set(pde6_oprx, pde6, rxop);
+	if (datadir == DMA_FROM_DEVICE) {
+		bf_set(pde6_ce, pde6, 1);
+		bf_set(pde6_re, pde6, 1);
+		bf_set(pde6_ae, pde6, 1);
+	}
+	bf_set(pde6_ai, pde6, 1);
+	bf_set(pde6_apptagval, pde6, apptagval);
+
+	/* advance bpl and increment bde count */
 	num_bde++;
 	bpl++;
 
@@ -1342,15 +1376,17 @@ out:
  * The buffer list for this type consists of one or more of the
  * protection groups described below:
  *                                    +-------------------------+
- *   start of first prot group  -->   |          PDE_1          |
+ *   start of first prot group  -->   |          PDE_5          |
  *                                    +-------------------------+
- *                                    |      PDE_3 (Prot BDE)   |
+ *                                    |          PDE_6          |
+ *                                    +-------------------------+
+ *                                    |      PDE_7 (Prot BDE)   |
  *                                    +-------------------------+
  *                                    |        Data BDE         |
  *                                    +-------------------------+
  *                                    |more Data BDE's ... (opt)|
  *                                    +-------------------------+
- *   start of new  prot group  -->    |          PDE_1          |
+ *   start of new  prot group  -->    |          PDE_5          |
  *                                    +-------------------------+
  *                                    |          ...            |
  *                                    +-------------------------+
@@ -1369,19 +1405,21 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 {
 	struct scatterlist *sgde = NULL; /* s/g data entry */
 	struct scatterlist *sgpe = NULL; /* s/g prot entry */
-	struct lpfc_pde *pde1 = NULL;
+	struct lpfc_pde5 *pde5 = NULL;
+	struct lpfc_pde6 *pde6 = NULL;
 	struct ulp_bde64 *prot_bde = NULL;
 	dma_addr_t dataphysaddr, protphysaddr;
 	unsigned short curr_data = 0, curr_prot = 0;
 	unsigned int split_offset, protgroup_len;
 	unsigned int protgrp_blks, protgrp_bytes;
 	unsigned int remainder, subtotal;
-	int prof = LPFC_PROF_INVALID;
+	int status;
 	int datadir = sc->sc_data_direction;
 	unsigned char pgdone = 0, alldone = 0;
 	unsigned blksize;
 	uint32_t reftag;
 	uint16_t apptagmask, apptagval;
+	uint8_t txop, rxop;
 	int num_bde = 0;
 
 	sgpe = scsi_prot_sglist(sc);
@@ -1394,31 +1432,47 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 		return 0;
 	}
 
-	prof = lpfc_sc_to_sli_prof(phba, sc);
-	if (prof == LPFC_PROF_INVALID)
+	status = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop);
+	if (status)
 		goto out;
 
-	/* extract some info from the scsi command for PDE1*/
+	/* extract some info from the scsi command */
 	blksize = lpfc_cmd_blksize(sc);
 	lpfc_get_cmd_dif_parms(sc, &apptagmask, &apptagval, &reftag);
 
 	split_offset = 0;
 	do {
-		/* setup the first PDE_1 */
-		pde1 = (struct lpfc_pde *) bpl;
+		/* setup PDE5 with what we have */
+		pde5 = (struct lpfc_pde5 *) bpl;
+		memset(pde5, 0, sizeof(struct lpfc_pde5));
+		bf_set(pde5_type, pde5, LPFC_PDE5_DESCRIPTOR);
+		pde5->reftag = reftag;
 
-		lpfc_pde_set_bg_parms(pde1, LPFC_PDE1_DESCRIPTOR, prof, blksize,
-				BG_EC_STOP_ERR);
-		lpfc_pde_set_dif_parms(pde1, apptagmask, apptagval, reftag);
+		/* advance bpl and increment bde count */
+		num_bde++;
+		bpl++;
+		pde6 = (struct lpfc_pde6 *) bpl;
 
+		/* setup PDE6 with the rest of the info */
+		memset(pde6, 0, sizeof(struct lpfc_pde6));
+		bf_set(pde6_type, pde6, LPFC_PDE6_DESCRIPTOR);
+		bf_set(pde6_optx, pde6, txop);
+		bf_set(pde6_oprx, pde6, rxop);
+		bf_set(pde6_ce, pde6, 1);
+		bf_set(pde6_re, pde6, 1);
+		bf_set(pde6_ae, pde6, 1);
+		bf_set(pde6_ai, pde6, 1);
+		bf_set(pde6_apptagval, pde6, apptagval);
+
+		/* advance bpl and increment bde count */
 		num_bde++;
 		bpl++;
 
 		/* setup the first BDE that points to protection buffer */
 		prot_bde = (struct ulp_bde64 *) bpl;
 		protphysaddr = sg_dma_address(sgpe);
-		prot_bde->addrLow = le32_to_cpu(putPaddrLow(protphysaddr));
-		prot_bde->addrHigh = le32_to_cpu(putPaddrHigh(protphysaddr));
+		prot_bde->addrHigh = le32_to_cpu(putPaddrLow(protphysaddr));
+		prot_bde->addrLow = le32_to_cpu(putPaddrHigh(protphysaddr));
 		protgroup_len = sg_dma_len(sgpe);
 
 
@@ -1429,10 +1483,7 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 		protgrp_bytes = protgrp_blks * blksize;
 
 		prot_bde->tus.f.bdeSize = protgroup_len;
-		if (datadir == DMA_TO_DEVICE)
-			prot_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
-		else
-			prot_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
+		prot_bde->tus.f.bdeFlags = LPFC_PDE7_DESCRIPTOR;
 		prot_bde->tus.w = le32_to_cpu(bpl->tus.w);
 
 		curr_prot++;
@@ -1484,6 +1535,7 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 
 			/* Move to the next s/g segment if possible */
 			sgde = sg_next(sgde);
+
 		}
 
 		/* are we done ? */
@@ -1506,7 +1558,6 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 
 out:
 
-
 	return num_bde;
 }
 /*
@@ -1828,8 +1879,8 @@ out:
  * field of @lpfc_cmd for device with SLI-4 interface spec.
  *
  * Return codes:
- * 	1 - Error
- * 	0 - Success
+ *	1 - Error
+ *	0 - Success
  **/
 static int
 lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
@@ -1937,8 +1988,8 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
  * lpfc_hba struct.
  *
  * Return codes:
- * 	1 - Error
- * 	0 - Success
+ *	1 - Error
+ *	0 - Success
  **/
 static inline int
 lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)

From 49198b371e2da20548d1408a7d3a8dea2f91263c Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Tue, 6 Apr 2010 15:04:33 -0400
Subject: [PATCH 0370/3638] [SCSI] lpfc 8.3.12: Critical fixes

- Move the code to increase the sg seg count for LP21000 adapters.
- Check pcmd on command completion before dereferencing it.
- Clear queue memory when creating firmware queues to prevent stale entries.
- Replace the use of PAGE_SIZE in many areas that assumed it was always 4k.
- Add an else clause to a conditional that needed to unlock the hba_lock.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_bsg.c  |  9 +++----
 drivers/scsi/lpfc/lpfc_bsg.h  |  1 +
 drivers/scsi/lpfc/lpfc_els.c  |  2 +-
 drivers/scsi/lpfc/lpfc_init.c | 16 ++++++------
 drivers/scsi/lpfc/lpfc_mbox.c | 16 ++++++------
 drivers/scsi/lpfc/lpfc_sli.c  | 47 ++++++++++++++++++++++++++---------
 6 files changed, 56 insertions(+), 35 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 92ad202a938..141a1ce9b74 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -2591,7 +2591,7 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 		goto job_done;
 	}
 
-	mb = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	mb = kzalloc(BSG_MBOX_SIZE, GFP_KERNEL);
 	if (!mb) {
 		rc = -ENOMEM;
 		goto job_done;
@@ -2665,13 +2665,12 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 		rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
 		INIT_LIST_HEAD(&rxbmp->list);
 		rxbpl = (struct ulp_bde64 *) rxbmp->virt;
-		dmp = diag_cmd_data_alloc(phba, rxbpl, PAGE_SIZE, 0);
+		dmp = diag_cmd_data_alloc(phba, rxbpl, BSG_MBOX_SIZE, 0);
 		if (!dmp) {
 			rc = -ENOMEM;
 			goto job_done;
 		}
 
-		dmp->size = PAGE_SIZE;
 		INIT_LIST_HEAD(&dmp->dma.list);
 		pmb->un.varBIUdiag.un.s2.xmit_bde64.addrHigh =
 			putPaddrHigh(dmp->dma.phys);
@@ -2774,12 +2773,12 @@ lpfc_bsg_mbox_cmd(struct fc_bsg_job *job)
 		goto job_error;
 	}
 
-	if (job->request_payload.payload_len != PAGE_SIZE) {
+	if (job->request_payload.payload_len != BSG_MBOX_SIZE) {
 		rc = -EINVAL;
 		goto job_error;
 	}
 
-	if (job->reply_payload.payload_len != PAGE_SIZE) {
+	if (job->reply_payload.payload_len != BSG_MBOX_SIZE) {
 		rc = -EINVAL;
 		goto job_error;
 	}
diff --git a/drivers/scsi/lpfc/lpfc_bsg.h b/drivers/scsi/lpfc/lpfc_bsg.h
index e89ed22bbb0..2d98689dd69 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.h
+++ b/drivers/scsi/lpfc/lpfc_bsg.h
@@ -91,6 +91,7 @@ struct get_mgmt_rev_reply {
 	struct MgmtRevInfo info;
 };
 
+#define BSG_MBOX_SIZE 4096 /* mailbox command plus extended data */
 struct dfc_mbox_req {
 	uint32_t command;
 	uint32_t mbOffset;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 9508661fe82..1de60ce6f29 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -5370,7 +5370,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
 			sizeof(struct lpfc_name));
 		pcmd = (uint32_t *) (((struct lpfc_dmabuf *)
 			cmdiocbp->context2)->virt);
-		lsrjt_event.command = *pcmd;
+		lsrjt_event.command = (pcmd != NULL) ? *pcmd : 0;
 		stat.un.lsRjtError = be32_to_cpu(rspiocbp->iocb.un.ulpWord[4]);
 		lsrjt_event.reason_code = stat.un.b.lsRjtRsnCode;
 		lsrjt_event.explanation = stat.un.b.lsRjtRsnCodeExp;
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 8341d44fe87..03681013d80 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2600,15 +2600,6 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
 	init_timer(&vport->els_tmofunc);
 	vport->els_tmofunc.function = lpfc_els_timeout;
 	vport->els_tmofunc.data = (unsigned long)vport;
-	if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
-		phba->menlo_flag |= HBA_MENLO_SUPPORT;
-		/* check for menlo minimum sg count */
-		if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) {
-			phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
-			shost->sg_tablesize = phba->cfg_sg_seg_cnt;
-		}
-	}
-
 	error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
 	if (error)
 		goto out_put_shost;
@@ -3852,6 +3843,13 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
 
 	/* Get all the module params for configuring this host */
 	lpfc_get_cfgparam(phba);
+	if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
+		phba->menlo_flag |= HBA_MENLO_SUPPORT;
+		/* check for menlo minimum sg count */
+		if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
+			phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
+	}
+
 	/*
 	 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
 	 * used to create the sg_dma_buf_pool must be dynamically calculated.
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index f9b056ec618..e84dc33ca20 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1611,7 +1611,7 @@ lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
 	for (sgentry = 0; sgentry < sgecount; sgentry++) {
 		lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge);
 		phyaddr = getPaddr(sge.pa_hi, sge.pa_lo);
-		dma_free_coherent(&phba->pcidev->dev, PAGE_SIZE,
+		dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
 				  mbox->sge_array->addr[sgentry], phyaddr);
 	}
 	/* Free the sge address array memory */
@@ -1669,7 +1669,7 @@ lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
 	}
 
 	/* Setup for the none-embedded mbox command */
-	pcount = (PAGE_ALIGN(length))/PAGE_SIZE;
+	pcount = (PAGE_ALIGN(length))/SLI4_PAGE_SIZE;
 	pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ?
 				LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount;
 	/* Allocate record for keeping SGE virtual addresses */
@@ -1684,24 +1684,24 @@ lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
 	for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) {
 		/* The DMA memory is always allocated in the length of a
 		 * page even though the last SGE might not fill up to a
-		 * page, this is used as a priori size of PAGE_SIZE for
+		 * page, this is used as a priori size of SLI4_PAGE_SIZE for
 		 * the later DMA memory free.
 		 */
-		viraddr = dma_alloc_coherent(&phba->pcidev->dev, PAGE_SIZE,
+		viraddr = dma_alloc_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
 					     &phyaddr, GFP_KERNEL);
 		/* In case of malloc fails, proceed with whatever we have */
 		if (!viraddr)
 			break;
-		memset(viraddr, 0, PAGE_SIZE);
+		memset(viraddr, 0, SLI4_PAGE_SIZE);
 		mbox->sge_array->addr[pagen] = viraddr;
 		/* Keep the first page for later sub-header construction */
 		if (pagen == 0)
 			cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr;
 		resid_len = length - alloc_len;
-		if (resid_len > PAGE_SIZE) {
+		if (resid_len > SLI4_PAGE_SIZE) {
 			lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
-					      PAGE_SIZE);
-			alloc_len += PAGE_SIZE;
+					      SLI4_PAGE_SIZE);
+			alloc_len += SLI4_PAGE_SIZE;
 		} else {
 			lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
 					      resid_len);
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 2c88999b709..73259bca1d1 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -4296,7 +4296,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 			"2570 Failed to read FCoE parameters\n");
 
 	/* Issue READ_REV to collect vpd and FW information. */
-	vpd_size = PAGE_SIZE;
+	vpd_size = SLI4_PAGE_SIZE;
 	vpd = kzalloc(vpd_size, GFP_KERNEL);
 	if (!vpd) {
 		rc = -ENOMEM;
@@ -7136,13 +7136,11 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			 */
 			list_del_init(&abort_iocb->list);
 			pring->txcmplq_cnt--;
-			spin_unlock_irq(&phba->hbalock);
 
 			/* Firmware could still be in progress of DMAing
 			 * payload, so don't free data buffer till after
 			 * a hbeat.
 			 */
-			spin_lock_irq(&phba->hbalock);
 			abort_iocb->iocb_flag |= LPFC_DELAY_MEM_FREE;
 			abort_iocb->iocb_flag &= ~LPFC_DRIVER_ABORTED;
 			spin_unlock_irq(&phba->hbalock);
@@ -7150,7 +7148,8 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			abort_iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT;
 			abort_iocb->iocb.un.ulpWord[4] = IOERR_ABORT_REQUESTED;
 			(abort_iocb->iocb_cmpl)(phba, abort_iocb, abort_iocb);
-		}
+		} else
+			spin_unlock_irq(&phba->hbalock);
 	}
 
 	lpfc_sli_release_iocbq(phba, cmdiocb);
@@ -9544,7 +9543,7 @@ lpfc_sli4_queue_free(struct lpfc_queue *queue)
 	while (!list_empty(&queue->page_list)) {
 		list_remove_head(&queue->page_list, dmabuf, struct lpfc_dmabuf,
 				 list);
-		dma_free_coherent(&queue->phba->pcidev->dev, PAGE_SIZE,
+		dma_free_coherent(&queue->phba->pcidev->dev, SLI4_PAGE_SIZE,
 				  dmabuf->virt, dmabuf->phys);
 		kfree(dmabuf);
 	}
@@ -9572,7 +9571,6 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size,
 	void *dma_pointer;
 	uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
 
-
 	if (!phba->sli4_hba.pc_sli4_params.supported)
 		hw_page_size = SLI4_PAGE_SIZE;
 
@@ -9647,6 +9645,10 @@ lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint16_t imax)
 	uint32_t shdr_status, shdr_add_status;
 	union lpfc_sli4_cfg_shdr *shdr;
 	uint16_t dmult;
+	uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
+
+	if (!phba->sli4_hba.pc_sli4_params.supported)
+		hw_page_size = SLI4_PAGE_SIZE;
 
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!mbox)
@@ -9696,6 +9698,7 @@ lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint16_t imax)
 		break;
 	}
 	list_for_each_entry(dmabuf, &eq->page_list, list) {
+		memset(dmabuf->virt, 0, hw_page_size);
 		eq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
 					putPaddrLow(dmabuf->phys);
 		eq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
@@ -9758,6 +9761,11 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq,
 	int rc, length, status = 0;
 	uint32_t shdr_status, shdr_add_status;
 	union lpfc_sli4_cfg_shdr *shdr;
+	uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
+
+	if (!phba->sli4_hba.pc_sli4_params.supported)
+		hw_page_size = SLI4_PAGE_SIZE;
+
 
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!mbox)
@@ -9795,6 +9803,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq,
 		break;
 	}
 	list_for_each_entry(dmabuf, &cq->page_list, list) {
+		memset(dmabuf->virt, 0, hw_page_size);
 		cq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
 					putPaddrLow(dmabuf->phys);
 		cq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
@@ -9924,7 +9933,10 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
 	int rc, length, status = 0;
 	uint32_t shdr_status, shdr_add_status;
 	union lpfc_sli4_cfg_shdr *shdr;
+	uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
 
+	if (!phba->sli4_hba.pc_sli4_params.supported)
+		hw_page_size = SLI4_PAGE_SIZE;
 
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!mbox)
@@ -9973,6 +9985,7 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
 		break;
 	}
 	list_for_each_entry(dmabuf, &mq->page_list, list) {
+		memset(dmabuf->virt, 0, hw_page_size);
 		mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo =
 					putPaddrLow(dmabuf->phys);
 		mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi =
@@ -10054,6 +10067,10 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
 	int rc, length, status = 0;
 	uint32_t shdr_status, shdr_add_status;
 	union lpfc_sli4_cfg_shdr *shdr;
+	uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
+
+	if (!phba->sli4_hba.pc_sli4_params.supported)
+		hw_page_size = SLI4_PAGE_SIZE;
 
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!mbox)
@@ -10069,6 +10086,7 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
 	bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request,
 		    cq->queue_id);
 	list_for_each_entry(dmabuf, &wq->page_list, list) {
+		memset(dmabuf->virt, 0, hw_page_size);
 		wq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
 					putPaddrLow(dmabuf->phys);
 		wq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
@@ -10137,6 +10155,10 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
 	int rc, length, status = 0;
 	uint32_t shdr_status, shdr_add_status;
 	union lpfc_sli4_cfg_shdr *shdr;
+	uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
+
+	if (!phba->sli4_hba.pc_sli4_params.supported)
+		hw_page_size = SLI4_PAGE_SIZE;
 
 	if (hrq->entry_count != drq->entry_count)
 		return -EINVAL;
@@ -10181,6 +10203,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
 	bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context,
 	       LPFC_HDR_BUF_SIZE);
 	list_for_each_entry(dmabuf, &hrq->page_list, list) {
+		memset(dmabuf->virt, 0, hw_page_size);
 		rq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
 					putPaddrLow(dmabuf->phys);
 		rq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
@@ -10753,7 +10776,7 @@ lpfc_sli4_post_sgl_list(struct lpfc_hba *phba)
 
 	reqlen = els_xri_cnt * sizeof(struct sgl_page_pairs) +
 		 sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t);
-	if (reqlen > PAGE_SIZE) {
+	if (reqlen > SLI4_PAGE_SIZE) {
 		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
 				"2559 Block sgl registration required DMA "
 				"size (%d) great than a page\n", reqlen);
@@ -10859,7 +10882,7 @@ lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, struct list_head *sblist,
 	/* Calculate the requested length of the dma memory */
 	reqlen = cnt * sizeof(struct sgl_page_pairs) +
 		 sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t);
-	if (reqlen > PAGE_SIZE) {
+	if (reqlen > SLI4_PAGE_SIZE) {
 		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
 				"0217 Block sgl registration required DMA "
 				"size (%d) great than a page\n", reqlen);
@@ -11695,8 +11718,8 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba,
  *
  * This routine is invoked to post rpi header templates to the
  * HBA consistent with the SLI-4 interface spec.  This routine
- * posts a PAGE_SIZE memory region to the port to hold up to
- * PAGE_SIZE modulo 64 rpi context headers.
+ * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
+ * SLI4_PAGE_SIZE modulo 64 rpi context headers.
  *
  * This routine does not require any locks.  It's usage is expected
  * to be driver load or reset recovery when the driver is
@@ -11799,8 +11822,8 @@ lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page)
  *
  * This routine is invoked to post rpi header templates to the
  * HBA consistent with the SLI-4 interface spec.  This routine
- * posts a PAGE_SIZE memory region to the port to hold up to
- * PAGE_SIZE modulo 64 rpi context headers.
+ * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
+ * SLI4_PAGE_SIZE modulo 64 rpi context headers.
  *
  * Returns
  * 	A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful

From c74959370369cd870560777b7db7ec940565bb85 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Tue, 6 Apr 2010 15:05:28 -0400
Subject: [PATCH 0371/3638] [SCSI] lpfc 8.3.12: BSG Fixes and enhancements

- Add memcpy to mailbox completion to transfer reply correctly.
- Add support for BSG mailbox commands (dump, update_cfg, and
   event_log_status).
- Add warning message and refuse mailbox command while mgmt is blocked.
- Add checks for memory allocation failure.
- Add check for sli4 dump zero BDE size.
- Only copy data if mailbox commands succeed.
- Add support for Read Event Log mailbox command.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_bsg.c | 274 ++++++++++++++++++++++++++++++-----
 drivers/scsi/lpfc/lpfc_bsg.h |   2 +-
 drivers/scsi/lpfc/lpfc_hw.h  |  14 ++
 drivers/scsi/lpfc/lpfc_sli.c |   2 +
 4 files changed, 253 insertions(+), 39 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 141a1ce9b74..dcf088262b2 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -84,7 +84,7 @@ struct lpfc_bsg_mbox {
 	uint8_t *ext; /* extended mailbox data */
 	uint32_t mbOffset; /* from app */
 	uint32_t inExtWLen; /* from app */
-	uint32_t outWxtWLen; /* from app */
+	uint32_t outExtWLen; /* from app */
 
 	/* job waiting for this mbox command to finish */
 	struct fc_bsg_job *set_job;
@@ -1714,21 +1714,26 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi,
 	dmabuf = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 	if (dmabuf) {
 		dmabuf->virt = lpfc_mbuf_alloc(phba, 0, &dmabuf->phys);
-		INIT_LIST_HEAD(&dmabuf->list);
-		bpl = (struct ulp_bde64 *) dmabuf->virt;
-		memset(bpl, 0, sizeof(*bpl));
-		ctreq = (struct lpfc_sli_ct_request *)(bpl + 1);
-		bpl->addrHigh =
-			le32_to_cpu(putPaddrHigh(dmabuf->phys + sizeof(*bpl)));
-		bpl->addrLow =
-			le32_to_cpu(putPaddrLow(dmabuf->phys + sizeof(*bpl)));
-		bpl->tus.f.bdeFlags = 0;
-		bpl->tus.f.bdeSize = ELX_LOOPBACK_HEADER_SZ;
-		bpl->tus.w = le32_to_cpu(bpl->tus.w);
+		if (dmabuf->virt) {
+			INIT_LIST_HEAD(&dmabuf->list);
+			bpl = (struct ulp_bde64 *) dmabuf->virt;
+			memset(bpl, 0, sizeof(*bpl));
+			ctreq = (struct lpfc_sli_ct_request *)(bpl + 1);
+			bpl->addrHigh =
+				le32_to_cpu(putPaddrHigh(dmabuf->phys +
+					sizeof(*bpl)));
+			bpl->addrLow =
+				le32_to_cpu(putPaddrLow(dmabuf->phys +
+					sizeof(*bpl)));
+			bpl->tus.f.bdeFlags = 0;
+			bpl->tus.f.bdeSize = ELX_LOOPBACK_HEADER_SZ;
+			bpl->tus.w = le32_to_cpu(bpl->tus.w);
+		}
 	}
 
 	if (cmdiocbq == NULL || rspiocbq == NULL ||
-	    dmabuf == NULL || bpl == NULL || ctreq == NULL) {
+	    dmabuf == NULL || bpl == NULL || ctreq == NULL ||
+		dmabuf->virt == NULL) {
 		ret_val = ENOMEM;
 		goto err_get_xri_exit;
 	}
@@ -1924,9 +1929,11 @@ static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri,
 	rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 	if (rxbmp != NULL) {
 		rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
-		INIT_LIST_HEAD(&rxbmp->list);
-		rxbpl = (struct ulp_bde64 *) rxbmp->virt;
-		rxbuffer = diag_cmd_data_alloc(phba, rxbpl, len, 0);
+		if (rxbmp->virt) {
+			INIT_LIST_HEAD(&rxbmp->list);
+			rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+			rxbuffer = diag_cmd_data_alloc(phba, rxbpl, len, 0);
+		}
 	}
 
 	if (!cmdiocbq || !rxbmp || !rxbpl || !rxbuffer) {
@@ -2180,14 +2187,16 @@ lpfc_bsg_diag_test(struct fc_bsg_job *job)
 
 	if (txbmp) {
 		txbmp->virt = lpfc_mbuf_alloc(phba, 0, &txbmp->phys);
-		INIT_LIST_HEAD(&txbmp->list);
-		txbpl = (struct ulp_bde64 *) txbmp->virt;
-		if (txbpl)
+		if (txbmp->virt) {
+			INIT_LIST_HEAD(&txbmp->list);
+			txbpl = (struct ulp_bde64 *) txbmp->virt;
 			txbuffer = diag_cmd_data_alloc(phba,
 							txbpl, full_size, 0);
+		}
 	}
 
-	if (!cmdiocbq || !rspiocbq || !txbmp || !txbpl || !txbuffer) {
+	if (!cmdiocbq || !rspiocbq || !txbmp || !txbpl || !txbuffer ||
+		!txbmp->virt) {
 		rc = -ENOMEM;
 		goto err_loopback_test_exit;
 	}
@@ -2404,12 +2413,34 @@ lpfc_bsg_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
 	from = (uint8_t *)&pmboxq->u.mb;
 	to = (uint8_t *)dd_data->context_un.mbox.mb;
 	memcpy(to, from, sizeof(MAILBOX_t));
-	/* copy the extended data if any, count is in words */
-	if (dd_data->context_un.mbox.outWxtWLen) {
-		from = (uint8_t *)dd_data->context_un.mbox.ext;
-		to += sizeof(MAILBOX_t);
-		memcpy(to, from,
-		dd_data->context_un.mbox.outWxtWLen * sizeof(uint32_t));
+	if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) {
+		/* copy the extended data if any, count is in words */
+		if (dd_data->context_un.mbox.outExtWLen) {
+			from = (uint8_t *)dd_data->context_un.mbox.ext;
+			to += sizeof(MAILBOX_t);
+			size = dd_data->context_un.mbox.outExtWLen *
+					sizeof(uint32_t);
+			memcpy(to, from, size);
+		} else if (pmboxq->u.mb.mbxCommand == MBX_RUN_BIU_DIAG64) {
+			from = (uint8_t *)dd_data->context_un.mbox.
+						dmp->dma.virt;
+			to += sizeof(MAILBOX_t);
+			size = dd_data->context_un.mbox.dmp->size;
+			memcpy(to, from, size);
+		} else if ((phba->sli_rev == LPFC_SLI_REV4) &&
+			(pmboxq->u.mb.mbxCommand == MBX_DUMP_MEMORY)) {
+			from = (uint8_t *)dd_data->context_un.mbox.dmp->dma.
+						virt;
+			to += sizeof(MAILBOX_t);
+			size = pmboxq->u.mb.un.varWords[5];
+			memcpy(to, from, size);
+		} else if (pmboxq->u.mb.mbxCommand == MBX_READ_EVENT_LOG) {
+			from = (uint8_t *)dd_data->context_un.
+						mbox.dmp->dma.virt;
+			to += sizeof(MAILBOX_t);
+			size = dd_data->context_un.mbox.dmp->size;
+			memcpy(to, from, size);
+		}
 	}
 
 	from = (uint8_t *)dd_data->context_un.mbox.mb;
@@ -2503,6 +2534,7 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 	case MBX_SET_DEBUG:
 	case MBX_WRITE_WWN:
 	case MBX_SLI4_CONFIG:
+	case MBX_READ_EVENT_LOG:
 	case MBX_READ_EVENT_LOG_STATUS:
 	case MBX_WRITE_EVENT_LOG:
 	case MBX_PORT_CAPABILITIES:
@@ -2522,7 +2554,6 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 			phba->fc_topology = TOPOLOGY_PT_PT;
 		}
 		break;
-	case MBX_READ_EVENT_LOG:
 	case MBX_READ_SPARM64:
 	case MBX_READ_LA:
 	case MBX_READ_LA64:
@@ -2577,7 +2608,7 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 
 	/* check if requested extended data lengths are valid */
 	if ((mbox_req->inExtWLen > MAILBOX_EXT_SIZE) ||
-		(mbox_req->outWxtWLen > MAILBOX_EXT_SIZE)) {
+		(mbox_req->outExtWLen > MAILBOX_EXT_SIZE)) {
 		rc = -ERANGE;
 		goto job_done;
 	}
@@ -2618,8 +2649,29 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 	pmb->mbxOwner = OWN_HOST;
 	pmboxq->vport = vport;
 
+	/* If HBA encountered an error attention, allow only DUMP
+	 * or RESTART mailbox commands until the HBA is restarted.
+	 */
+	if (phba->pport->stopped &&
+	    pmb->mbxCommand != MBX_DUMP_MEMORY &&
+	    pmb->mbxCommand != MBX_RESTART &&
+	    pmb->mbxCommand != MBX_WRITE_VPARMS &&
+	    pmb->mbxCommand != MBX_WRITE_WWN)
+		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
+				"2797 mbox: Issued mailbox cmd "
+				"0x%x while in stopped state.\n",
+				pmb->mbxCommand);
+
+	/* Don't allow mailbox commands to be sent when blocked
+	 * or when in the middle of discovery
+	 */
+	if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
+		rc = -EAGAIN;
+		goto job_done;
+	}
+
 	/* extended mailbox commands will need an extended buffer */
-	if (mbox_req->inExtWLen || mbox_req->outWxtWLen) {
+	if (mbox_req->inExtWLen || mbox_req->outExtWLen) {
 		ext = kzalloc(MAILBOX_EXT_SIZE, GFP_KERNEL);
 		if (!ext) {
 			rc = -ENOMEM;
@@ -2639,7 +2691,7 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 			mbox_req->inExtWLen *
 			sizeof(uint32_t);
 		pmboxq->out_ext_byte_len =
-			mbox_req->outWxtWLen *
+			mbox_req->outExtWLen *
 			sizeof(uint32_t);
 		pmboxq->mbox_offset_word =
 			mbox_req->mbOffset;
@@ -2647,7 +2699,7 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 		pmboxq->in_ext_byte_len =
 			mbox_req->inExtWLen * sizeof(uint32_t);
 		pmboxq->out_ext_byte_len =
-			mbox_req->outWxtWLen * sizeof(uint32_t);
+			mbox_req->outExtWLen * sizeof(uint32_t);
 		pmboxq->mbox_offset_word = mbox_req->mbOffset;
 	}
 
@@ -2656,6 +2708,17 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 	 * use ours
 	 */
 	if (pmb->mbxCommand == MBX_RUN_BIU_DIAG64) {
+		uint32_t transmit_length = pmb->un.varWords[1];
+		uint32_t receive_length = pmb->un.varWords[4];
+		/* transmit length cannot be greater than receive length or
+		 * mailbox extension size
+		 */
+		if ((transmit_length > receive_length) ||
+			(transmit_length > MAILBOX_EXT_SIZE)) {
+			rc = -ERANGE;
+			goto job_done;
+		}
+
 		rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 		if (!rxbmp) {
 			rc = -ENOMEM;
@@ -2663,9 +2726,14 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 		}
 
 		rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+		if (!rxbmp->virt) {
+			rc = -ENOMEM;
+			goto job_done;
+		}
+
 		INIT_LIST_HEAD(&rxbmp->list);
 		rxbpl = (struct ulp_bde64 *) rxbmp->virt;
-		dmp = diag_cmd_data_alloc(phba, rxbpl, BSG_MBOX_SIZE, 0);
+		dmp = diag_cmd_data_alloc(phba, rxbpl, transmit_length, 0);
 		if (!dmp) {
 			rc = -ENOMEM;
 			goto job_done;
@@ -2685,13 +2753,143 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 			putPaddrLow(dmp->dma.phys +
 				pmb->un.varBIUdiag.un.s2.
 					xmit_bde64.tus.f.bdeSize);
-		dd_data->context_un.mbox.rxbmp = rxbmp;
-		dd_data->context_un.mbox.dmp = dmp;
-	} else {
-		dd_data->context_un.mbox.rxbmp = NULL;
-		dd_data->context_un.mbox.dmp = NULL;
+
+		/* copy the transmit data found in the mailbox extension area */
+		from = (uint8_t *)mb;
+		from += sizeof(MAILBOX_t);
+		memcpy((uint8_t *)dmp->dma.virt, from, transmit_length);
+	} else if (pmb->mbxCommand == MBX_READ_EVENT_LOG) {
+		struct READ_EVENT_LOG_VAR *rdEventLog =
+			&pmb->un.varRdEventLog ;
+		uint32_t receive_length = rdEventLog->rcv_bde64.tus.f.bdeSize;
+		uint32_t mode =	 bf_get(lpfc_event_log, rdEventLog);
+
+		/* receive length cannot be greater than mailbox
+		 * extension size
+		 */
+		if (receive_length > MAILBOX_EXT_SIZE) {
+			rc = -ERANGE;
+			goto job_done;
+		}
+
+		/* mode zero uses a bde like biu diags command */
+		if (mode == 0) {
+
+			/* rebuild the command for sli4 using our own buffers
+			* like we do for biu diags
+			*/
+
+			rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+			if (!rxbmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+			rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+			if (rxbpl) {
+				INIT_LIST_HEAD(&rxbmp->list);
+				dmp = diag_cmd_data_alloc(phba, rxbpl,
+					receive_length, 0);
+			}
+
+			if (!dmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&dmp->dma.list);
+			pmb->un.varWords[3] = putPaddrLow(dmp->dma.phys);
+			pmb->un.varWords[4] = putPaddrHigh(dmp->dma.phys);
+		}
+	} else if (phba->sli_rev == LPFC_SLI_REV4) {
+		if (pmb->mbxCommand == MBX_DUMP_MEMORY) {
+			/* rebuild the command for sli4 using our own buffers
+			* like we do for biu diags
+			*/
+			uint32_t receive_length = pmb->un.varWords[2];
+			/* receive length cannot be greater than mailbox
+			 * extension size
+			 */
+			if ((receive_length == 0) ||
+				(receive_length > MAILBOX_EXT_SIZE)) {
+				rc = -ERANGE;
+				goto job_done;
+			}
+
+			rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+			if (!rxbmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+			if (!rxbmp->virt) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&rxbmp->list);
+			rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+			dmp = diag_cmd_data_alloc(phba, rxbpl, receive_length,
+						0);
+			if (!dmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&dmp->dma.list);
+			pmb->un.varWords[3] = putPaddrLow(dmp->dma.phys);
+			pmb->un.varWords[4] = putPaddrHigh(dmp->dma.phys);
+		} else if ((pmb->mbxCommand == MBX_UPDATE_CFG) &&
+			pmb->un.varUpdateCfg.co) {
+			struct ulp_bde64 *bde =
+				(struct ulp_bde64 *)&pmb->un.varWords[4];
+
+			/* bde size cannot be greater than mailbox ext size */
+			if (bde->tus.f.bdeSize > MAILBOX_EXT_SIZE) {
+				rc = -ERANGE;
+				goto job_done;
+			}
+
+			rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+			if (!rxbmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+			if (!rxbmp->virt) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&rxbmp->list);
+			rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+			dmp = diag_cmd_data_alloc(phba, rxbpl,
+					bde->tus.f.bdeSize, 0);
+			if (!dmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&dmp->dma.list);
+			bde->addrHigh = putPaddrHigh(dmp->dma.phys);
+			bde->addrLow = putPaddrLow(dmp->dma.phys);
+
+			/* copy the transmit data found in the mailbox
+			 * extension area
+			 */
+			from = (uint8_t *)mb;
+			from += sizeof(MAILBOX_t);
+			memcpy((uint8_t *)dmp->dma.virt, from,
+				bde->tus.f.bdeSize);
+		}
 	}
 
+	dd_data->context_un.mbox.rxbmp = rxbmp;
+	dd_data->context_un.mbox.dmp = dmp;
+
 	/* setup wake call as IOCB callback */
 	pmboxq->mbox_cmpl = lpfc_bsg_wake_mbox_wait;
 
@@ -2704,7 +2902,7 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 	dd_data->context_un.mbox.ext = ext;
 	dd_data->context_un.mbox.mbOffset = mbox_req->mbOffset;
 	dd_data->context_un.mbox.inExtWLen = mbox_req->inExtWLen;
-	dd_data->context_un.mbox.outWxtWLen = mbox_req->outWxtWLen;
+	dd_data->context_un.mbox.outExtWLen = mbox_req->outExtWLen;
 	job->dd_data = dd_data;
 
 	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
diff --git a/drivers/scsi/lpfc/lpfc_bsg.h b/drivers/scsi/lpfc/lpfc_bsg.h
index 2d98689dd69..a2c33e7c915 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.h
+++ b/drivers/scsi/lpfc/lpfc_bsg.h
@@ -96,7 +96,7 @@ struct dfc_mbox_req {
 	uint32_t command;
 	uint32_t mbOffset;
 	uint32_t inExtWLen;
-	uint32_t outWxtWLen;
+	uint32_t outExtWLen;
 };
 
 /* Used for menlo command or menlo data. The xri is only used for menlo data */
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 0cf9a2bd346..e654d01dad2 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1732,6 +1732,17 @@ typedef struct {
 	} un;
 } BIU_DIAG_VAR;
 
+/* Structure for MB command READ_EVENT_LOG (0x38) */
+struct READ_EVENT_LOG_VAR {
+	uint32_t word1;
+#define lpfc_event_log_SHIFT	29
+#define lpfc_event_log_MASK	0x00000001
+#define lpfc_event_log_WORD	word1
+#define USE_MAILBOX_RESPONSE	1
+	uint32_t offset;
+	struct ulp_bde64 rcv_bde64;
+};
+
 /* Structure for MB Command INIT_LINK (05) */
 
 typedef struct {
@@ -2966,6 +2977,9 @@ typedef union {
 	REG_VPI_VAR varRegVpi;		/* cmd = 0x96 (REG_VPI) */
 	UNREG_VPI_VAR varUnregVpi;	/* cmd = 0x97 (UNREG_VPI) */
 	ASYNCEVT_ENABLE_VAR varCfgAsyncEvent; /*cmd = x33 (CONFIG_ASYNC) */
+	struct READ_EVENT_LOG_VAR varRdEventLog;	/* cmd = 0x38
+							 * (READ_EVENT_LOG)
+							 */
 	struct config_msi_var varCfgMSI;/* cmd = x30 (CONFIG_MSI)     */
 } MAILVARIANTS;
 
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 73259bca1d1..1ab7937097a 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1659,6 +1659,8 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
 	case MBX_INIT_VPI:
 	case MBX_INIT_VFI:
 	case MBX_RESUME_RPI:
+	case MBX_READ_EVENT_LOG_STATUS:
+	case MBX_READ_EVENT_LOG:
 		ret = mbxCommand;
 		break;
 	default:

From 78730cfe0649bce86e64eafda9bdffa38f05d396 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Tue, 6 Apr 2010 15:06:30 -0400
Subject: [PATCH 0372/3638] [SCSI] lpfc 8.3.12: Fix discovery issues

- Add code to prevent unreg_vpi mailbox command from failing.
- Add code to reset the HBA if unreg_vpi mailbox fails with busy status.
- Remove code that was clearing the nlp_type stored during rport discovery.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_crtn.h      |  1 +
 drivers/scsi/lpfc/lpfc_disc.h      |  1 +
 drivers/scsi/lpfc/lpfc_els.c       |  2 ++
 drivers/scsi/lpfc/lpfc_hbadisc.c   | 15 ++++++--
 drivers/scsi/lpfc/lpfc_init.c      | 20 +++++++++--
 drivers/scsi/lpfc/lpfc_nportdisc.c | 56 ++++++++++++++++++++++++++++++
 drivers/scsi/lpfc/lpfc_sli.c       | 15 ++++++++
 7 files changed, 105 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 5087c4211b4..fbc9baeb604 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -65,6 +65,7 @@ void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *);
 void lpfc_retry_pport_discovery(struct lpfc_hba *);
+void lpfc_release_rpi(struct lpfc_hba *, struct lpfc_vport *, uint16_t);
 
 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 2851d75ffc6..36257a68550 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -38,6 +38,7 @@ enum lpfc_work_type {
 	LPFC_EVT_ELS_RETRY,
 	LPFC_EVT_DEV_LOSS,
 	LPFC_EVT_FASTPATH_MGMT_EVT,
+	LPFC_EVT_RESET_HBA,
 };
 
 /* structure used to queue event to the discovery tasklet */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 1de60ce6f29..c4c7f0ad746 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -584,6 +584,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 			spin_unlock_irq(shost->host_lock);
 			lpfc_unreg_rpi(vport, np);
 		}
+		lpfc_cleanup_pending_mbox(vport);
 		if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 			lpfc_mbx_unreg_vpi(vport);
 			spin_lock_irq(shost->host_lock);
@@ -6316,6 +6317,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			spin_unlock_irq(shost->host_lock);
 			lpfc_unreg_rpi(vport, np);
 		}
+		lpfc_cleanup_pending_mbox(vport);
 		lpfc_mbx_unreg_vpi(vport);
 		spin_lock_irq(shost->host_lock);
 		vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index d2b55f05aa0..1f87b4fb8b5 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -475,6 +475,10 @@ lpfc_work_list_done(struct lpfc_hba *phba)
 			lpfc_send_fastpath_evt(phba, evtp);
 			free_evt = 0;
 			break;
+		case LPFC_EVT_RESET_HBA:
+			if (!(phba->pport->load_flag & FC_UNLOADING))
+				lpfc_reset_hba(phba);
+			break;
 		}
 		if (free_evt)
 			kfree(evtp);
@@ -2737,11 +2741,18 @@ lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	switch (mb->mbxStatus) {
 	case 0x0011:
 	case 0x0020:
-	case 0x9700:
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
 				 "0911 cmpl_unreg_vpi, mb status = 0x%x\n",
 				 mb->mbxStatus);
 		break;
+	/* If VPI is busy, reset the HBA */
+	case 0x9700:
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+			"2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n",
+			vport->vpi, mb->mbxStatus);
+		if (!(phba->pport->load_flag & FC_UNLOADING))
+			lpfc_workq_post_event(phba, NULL, NULL,
+				LPFC_EVT_RESET_HBA);
 	}
 	spin_lock_irq(shost->host_lock);
 	vport->vpi_state &= ~LPFC_VPI_REGISTERED;
@@ -3233,7 +3244,6 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 
 	if (new_state == NLP_STE_UNMAPPED_NODE) {
-		ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
 		ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
 		ndlp->nlp_type |= NLP_FC_NODE;
 	}
@@ -4991,6 +5001,7 @@ lpfc_unregister_fcf_prep(struct lpfc_hba *phba)
 			ndlp = lpfc_findnode_did(vports[i], Fabric_DID);
 			if (ndlp)
 				lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
+			lpfc_cleanup_pending_mbox(vports[i]);
 			lpfc_mbx_unreg_vpi(vports[i]);
 			shost = lpfc_shost_from_vport(vports[i]);
 			spin_lock_irq(shost->host_lock);
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 03681013d80..cd9697edf86 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -3227,12 +3227,26 @@ lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
 
 	if (!vport)
 		return NULL;
-	ndlp = lpfc_findnode_did(vport, Fabric_DID);
-	if (!ndlp)
-		return NULL;
 	phba = vport->phba;
 	if (!phba)
 		return NULL;
+	ndlp = lpfc_findnode_did(vport, Fabric_DID);
+	if (!ndlp) {
+		/* Cannot find existing Fabric ndlp, so allocate a new one */
+		ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
+		if (!ndlp)
+			return 0;
+		lpfc_nlp_init(vport, ndlp, Fabric_DID);
+		/* Set the node type */
+		ndlp->nlp_type |= NLP_FABRIC;
+		/* Put ndlp onto node list */
+		lpfc_enqueue_node(vport, ndlp);
+	} else if (!NLP_CHK_NODE_ACT(ndlp)) {
+		/* re-setup ndlp without removing from node list */
+		ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
+		if (!ndlp)
+			return 0;
+	}
 	if (phba->pport->port_state <= LPFC_FLOGI)
 		return NULL;
 	/* If virtual link is not yet instantiated ignore CVL */
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index e1086da6906..b90820a699f 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -637,11 +637,55 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 	lpfc_unreg_rpi(vport, ndlp);
 	return 0;
 }
+/**
+ * lpfc_release_rpi - Release a RPI by issueing unreg_login mailbox cmd.
+ * @phba : Pointer to lpfc_hba structure.
+ * @vport: Pointer to lpfc_vport structure.
+ * @rpi  : rpi to be release.
+ *
+ * This function will send a unreg_login mailbox command to the firmware
+ * to release a rpi.
+ **/
+void
+lpfc_release_rpi(struct lpfc_hba *phba,
+		struct lpfc_vport *vport,
+		uint16_t rpi)
+{
+	LPFC_MBOXQ_t *pmb;
+	int rc;
+
+	pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+			GFP_KERNEL);
+	if (!pmb)
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
+			"2796 mailbox memory allocation failed \n");
+	else {
+		lpfc_unreg_login(phba, vport->vpi, rpi, pmb);
+		pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+		if (rc == MBX_NOT_FINISHED)
+			mempool_free(pmb, phba->mbox_mem_pool);
+	}
+}
 
 static uint32_t
 lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		  void *arg, uint32_t evt)
 {
+	struct lpfc_hba *phba;
+	LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
+	MAILBOX_t *mb;
+	uint16_t rpi;
+
+	phba = vport->phba;
+	/* Release the RPI if reglogin completing */
+	if (!(phba->pport->load_flag & FC_UNLOADING) &&
+		(evt == NLP_EVT_CMPL_REG_LOGIN) &&
+		(!pmb->u.mb.mbxStatus)) {
+		mb = &pmb->u.mb;
+		rpi = pmb->u.mb.un.varWords[0];
+		lpfc_release_rpi(phba, vport, rpi);
+	}
 	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 			 "0271 Illegal State Transition: node x%x "
 			 "event x%x, state x%x Data: x%x x%x\n",
@@ -977,6 +1021,18 @@ static uint32_t
 lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport,
 	struct lpfc_nodelist *ndlp, void *arg, uint32_t evt)
 {
+	struct lpfc_hba *phba;
+	LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
+	MAILBOX_t *mb = &pmb->u.mb;
+	uint16_t rpi;
+
+	phba = vport->phba;
+	/* Release the RPI */
+	if (!(phba->pport->load_flag & FC_UNLOADING) &&
+		!mb->mbxStatus) {
+		rpi = pmb->u.mb.un.varWords[0];
+		lpfc_release_rpi(phba, vport, rpi);
+	}
 	return ndlp->nlp_state;
 }
 
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 1ab7937097a..7a61455140b 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -12661,6 +12661,7 @@ lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
 	struct lpfc_hba *phba = vport->phba;
 	LPFC_MBOXQ_t *mb, *nextmb;
 	struct lpfc_dmabuf *mp;
+	struct lpfc_nodelist *ndlp;
 
 	spin_lock_irq(&phba->hbalock);
 	list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
@@ -12677,6 +12678,11 @@ lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
 				__lpfc_mbuf_free(phba, mp->virt, mp->phys);
 				kfree(mp);
 			}
+			ndlp = (struct lpfc_nodelist *) mb->context2;
+			if (ndlp) {
+				lpfc_nlp_put(ndlp);
+				mb->context2 = NULL;
+			}
 		}
 		list_del(&mb->list);
 		mempool_free(mb, phba->mbox_mem_pool);
@@ -12686,6 +12692,15 @@ lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
 		if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) ||
 			(mb->u.mb.mbxCommand == MBX_REG_VPI))
 			mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+		if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
+			ndlp = (struct lpfc_nodelist *) mb->context2;
+			if (ndlp) {
+				lpfc_nlp_put(ndlp);
+				mb->context2 = NULL;
+			}
+			/* Unregister the RPI when mailbox complete */
+			mb->mbox_flag |= LPFC_MBX_IMED_UNREG;
+		}
 	}
 	spin_unlock_irq(&phba->hbalock);
 }

From a1172ca2f20074626d7aa77e747824757673cf22 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Tue, 6 Apr 2010 15:07:03 -0400
Subject: [PATCH 0373/3638] [SCSI] lpfc 8.3.12: Update Driver version to 8.3.12

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/lpfc/lpfc_version.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index a3a11d37de7..5294c3a515a 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.3.11"
+#define LPFC_DRIVER_VERSION "8.3.12"
 #define LPFC_DRIVER_NAME		"lpfc"
 #define LPFC_SP_DRIVER_HANDLER_NAME	"lpfc:sp"
 #define LPFC_FP_DRIVER_HANDLER_NAME	"lpfc:fp"

From 130b958a5dbf0fca361beef5713715a2eba6529f Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 8 Apr 2010 17:54:32 +0530
Subject: [PATCH 0374/3638] [SCSI] mpt2sas: Reworked scmd->result priority for
 _scsih_qcmd.

we added support to set the deleted flag prior to device scan,
then clear the flag for responding devices, leaving the deleted flag only
set for missing devices.  The problem is for internal generated host resets,
IO queues are not blocked at scsi mid layer level.  IO will be continued
sent to driver, and driver  will return SCSI_MLQUEUE_HOST_BUSY.  The problem
is the driver checks for the deleted flag before it checks for the
controller being in reset, so there is a window where the driver would be
returning DID_NO_CONNECT for responding devices.  This occurs during  the
time between calling  _scsih_prep_device_scan, and
_scsih_mark_responding_sas_device & _scsih_mark_responding_raid_device.

Fix the queuecommand entry point so ioc->shost_recovery flag sanity check is
given higher presidence then the device "deleted flag" check.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index bb5659ca128..77163bad75f 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2957,25 +2957,32 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
 
 	scmd->scsi_done = done;
 	sas_device_priv_data = scmd->device->hostdata;
-	if (!sas_device_priv_data) {
+	if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
 		scmd->result = DID_NO_CONNECT << 16;
 		scmd->scsi_done(scmd);
 		return 0;
 	}
 
 	sas_target_priv_data = sas_device_priv_data->sas_target;
-	if (!sas_target_priv_data || sas_target_priv_data->handle ==
-	    MPT2SAS_INVALID_DEVICE_HANDLE || sas_target_priv_data->deleted) {
+	/* invalid device handle */
+	if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) {
 		scmd->result = DID_NO_CONNECT << 16;
 		scmd->scsi_done(scmd);
 		return 0;
 	}
 
-	/* see if we are busy with task managment stuff */
-	if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
-		return SCSI_MLQUEUE_DEVICE_BUSY;
-	else if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
+	/* host recovery or link resets sent via IOCTLs */
+	if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
 		return SCSI_MLQUEUE_HOST_BUSY;
+	/* device busy with task managment */
+	else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
+		return SCSI_MLQUEUE_DEVICE_BUSY;
+	/* device has been deleted */
+	else if (sas_target_priv_data->deleted) {
+		scmd->result = DID_NO_CONNECT << 16;
+		scmd->scsi_done(scmd);
+		return 0;
+	}
 
 	if (scmd->sc_data_direction == DMA_FROM_DEVICE)
 		mpi_control = MPI2_SCSIIO_CONTROL_READ;

From 980ead3180233d09ad37aacd803059b3142c7863 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 8 Apr 2010 17:55:22 +0530
Subject: [PATCH 0375/3638] [SCSI] mpt2sas: Before removing sas_device search
 device in list for _scsih_sas_device_remove

Fix a oops in _scsih_sas_device_remove.  The driver was attempting to
delete a object from the sas_device link list when the object was not
present.

Added sanity check for sas_device NULL dereference.
before deleting sas_device now driver will search device in list then
only it will follow device removal.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 77163bad75f..c5ff26a2a51 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -537,10 +537,15 @@ _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
 {
 	unsigned long flags;
 
+	if (!sas_device)
+		return;
+
 	spin_lock_irqsave(&ioc->sas_device_lock, flags);
-	list_del(&sas_device->list);
-	memset(sas_device, 0, sizeof(struct _sas_device));
-	kfree(sas_device);
+	if (mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
+	    sas_device->sas_address)) {
+		list_del(&sas_device->list);
+		kfree(sas_device);
+	}
 	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
 }
 

From aea20f9540e615f158536b777f7f9ac646427f98 Mon Sep 17 00:00:00 2001
From: "Kashyap, Desai" <kashyap.desai@lsi.com>
Date: Thu, 8 Apr 2010 17:55:52 +0530
Subject: [PATCH 0376/3638] [SCSI] mpt2sas: Bump version 05.100.00.02

Upgrade version to 05.100.00.02

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mpt2sas/mpt2sas_base.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 21aa397bf8d..b4afe431ac1 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -69,11 +69,11 @@
 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
 #define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION		"05.100.00.01"
+#define MPT2SAS_DRIVER_VERSION		"05.100.00.02"
 #define MPT2SAS_MAJOR_VERSION		05
 #define MPT2SAS_MINOR_VERSION		100
 #define MPT2SAS_BUILD_VERSION		00
-#define MPT2SAS_RELEASE_VERSION		01
+#define MPT2SAS_RELEASE_VERSION		02
 
 /*
  * Set MPT2SAS_SG_DEPTH value based on user input.

From 593abc0720d5639ba21834b082adf83762af39be Mon Sep 17 00:00:00 2001
From: Robert Love <robert.w.love@intel.com>
Date: Fri, 9 Apr 2010 14:22:17 -0700
Subject: [PATCH 0377/3638] [SCSI] libfcoe: Don't fill MAC desc in FLOGI if FIP
 negotiated FPMA

FPMA indicates that the Fabric will provide the host's
N_Port's MAC address. When sending a FLOGI/FDISC frame
and FPMA was negotiated through FIP discovery we still
need to provide the MAC descriptor, as per the
specification, but the MAC should be zero'd out since
the FCF will be providing it in the FLOGI/FDISC ACC.

In FC-BB-5 section 7.8.7.4.2 (Fabric login) it states:

The MAC address field in the MAC address descriptor of a FIP FLOGI
Request operation or a FIP NPIV FDISC Request operation shall contain:
a) the proposed MAC address to use as VN_Port MAC address if the ENode
   is requesting to use SPMA (see table 27);
b) all zeroes to indicate no MAC address is proposed if the ENode is
   requesting to use FPMA (see table 27); or
c) the proposed MAC address to use as VN_Port MAC address if the ENode
   supports both SPMA and FPMA and leaves the decision of which
   addressing scheme to use to the FCF (i.e., if both the FP and SP
   bits are set to one, see table 27).

This patch fixes case B.

This patch also adds debug statements to illustrate
whether a FPMA or SPMA MAC is added to a FLOGI/FDISC
frame.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/libfcoe.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index ff5ccba3d74..de5c329cb3b 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -442,10 +442,15 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip, struct fc_lport *lport,
 	memset(mac, 0, sizeof(mac));
 	mac->fd_desc.fip_dtype = FIP_DT_MAC;
 	mac->fd_desc.fip_dlen = sizeof(*mac) / FIP_BPW;
-	if (dtype != FIP_DT_FLOGI && dtype != FIP_DT_FDISC)
+	if (dtype != FIP_DT_FLOGI && dtype != FIP_DT_FDISC) {
 		memcpy(mac->fd_mac, fip->get_src_addr(lport), ETH_ALEN);
-	else if (fip->spma)
+	} else if (fip_flags & FIP_FL_SPMA) {
+		LIBFCOE_FIP_DBG(fip, "FLOGI/FDISC sent with SPMA\n");
 		memcpy(mac->fd_mac, fip->ctl_src_addr, ETH_ALEN);
+	} else {
+		LIBFCOE_FIP_DBG(fip, "FLOGI/FDISC sent with FPMA\n");
+		/* FPMA only FLOGI must leave the MAC desc set to all 0s */
+	}
 
 	skb->protocol = htons(ETH_P_FIP);
 	skb_reset_mac_header(skb);

From 9ee50e48d8370dbcb42fa5b62b5bb3a9877e1f47 Mon Sep 17 00:00:00 2001
From: Chris Leech <christopher.leech@intel.com>
Date: Fri, 9 Apr 2010 14:22:23 -0700
Subject: [PATCH 0378/3638] [SCSI] fcoe: reset FIP ctlr link state on
 disable/enable

The FIP controler state wasn't being reset on a disable.
A disable/enable sequence should be treated as a link event.
Otherwise, when using disable to mask a time when the link
is up but unusable, FCF discovery would attempt to continue
and login would jump directly to the non-FIP fallback on
enable.

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 927b3e63d87..0d8127e58fe 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1901,9 +1901,10 @@ static int fcoe_disable(const char *buffer, struct kernel_param *kp)
 	fcoe = fcoe_hostlist_lookup_port(netdev);
 	rtnl_unlock();
 
-	if (fcoe)
+	if (fcoe) {
 		fc_fabric_logoff(fcoe->ctlr.lp);
-	else
+		fcoe_ctlr_link_down(&fcoe->ctlr);
+	} else
 		rc = -ENODEV;
 
 	dev_put(netdev);
@@ -1950,9 +1951,11 @@ static int fcoe_enable(const char *buffer, struct kernel_param *kp)
 	fcoe = fcoe_hostlist_lookup_port(netdev);
 	rtnl_unlock();
 
-	if (fcoe)
+	if (fcoe) {
+		if (!fcoe_link_ok(fcoe->ctlr.lp))
+			fcoe_ctlr_link_up(&fcoe->ctlr);
 		rc = fc_fabric_login(fcoe->ctlr.lp);
-	else
+	} else
 		rc = -ENODEV;
 
 	dev_put(netdev);

From 03d29bc1d58dcfc2fa30aed7af199f24444c2052 Mon Sep 17 00:00:00 2001
From: Chris Leech <christopher.leech@intel.com>
Date: Fri, 9 Apr 2010 14:22:28 -0700
Subject: [PATCH 0379/3638] [SCSI] fcoe: check netif operstate instead of
 IFF_UP & link state

Allow for dormant states while link configuration completes.
In the default link mode, this is equivalent to the old check.

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 0d8127e58fe..d16dd123257 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -2148,8 +2148,7 @@ int fcoe_link_ok(struct fc_lport *lport)
 	struct net_device *netdev = port->fcoe->netdev;
 	struct ethtool_cmd ecmd = { ETHTOOL_GSET };
 
-	if ((netdev->flags & IFF_UP) && netif_carrier_ok(netdev) &&
-	    (!dev_ethtool_get_settings(netdev, &ecmd))) {
+	if (netif_oper_up(netdev) && !dev_ethtool_get_settings(netdev, &ecmd)) {
 		lport->link_supported_speeds &=
 			~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
 		if (ecmd.supported & (SUPPORTED_1000baseT_Half |

From 3b719d01617288f4c11307fcb933997d7ca895c3 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 9 Apr 2010 14:22:33 -0700
Subject: [PATCH 0380/3638] [SCSI] libfc: remove unneeded variables in
 fc_exch_recv_req()

fc_exch_recv_req has variables eof, sof, and f_ctl,
which are set but never used.  Delete them.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_exch.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index d0496dafd84..daff880e426 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -1241,9 +1241,6 @@ static void fc_exch_recv_req(struct fc_lport *lport, struct fc_exch_mgr *mp,
 	struct fc_frame_header *fh = fc_frame_header_get(fp);
 	struct fc_seq *sp = NULL;
 	struct fc_exch *ep = NULL;
-	enum fc_sof sof;
-	enum fc_eof eof;
-	u32 f_ctl;
 	enum fc_pf_rjt_reason reject;
 
 	/* We can have the wrong fc_lport at this point with NPIV, which is a
@@ -1260,9 +1257,6 @@ static void fc_exch_recv_req(struct fc_lport *lport, struct fc_exch_mgr *mp,
 	if (reject == FC_RJT_NONE) {
 		sp = fr_seq(fp);	/* sequence will be held */
 		ep = fc_seq_exch(sp);
-		sof = fr_sof(fp);
-		eof = fr_eof(fp);
-		f_ctl = ntoh24(fh->fh_f_ctl);
 		fc_seq_send_ack(sp, fp);
 
 		/*

From 0b2f74a47f2b10bd4c70324820a93c070b3960a5 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 9 Apr 2010 14:22:39 -0700
Subject: [PATCH 0381/3638] [SCSI] libfc: fix hton24 macro to take expressions
 as args

hton24(p + 3, value) would fail to compile because
p + 3[0] is not a valid expression.

Went ahead and converted hton24 and ntoh24 to inline
functions, which is better because the parameters
are evalutated only once.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 include/scsi/libfc.h | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 8d0d1b2d825..a26bb50c0c8 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -47,13 +47,18 @@
 #define ntohll(x) be64_to_cpu(x)
 #define htonll(x) cpu_to_be64(x)
 
-#define ntoh24(p) (((p)[0] << 16) | ((p)[1] << 8) | ((p)[2]))
 
-#define hton24(p, v)	do {			\
-		p[0] = (((v) >> 16) & 0xFF);	\
-		p[1] = (((v) >> 8) & 0xFF);	\
-		p[2] = ((v) & 0xFF);		\
-	} while (0)
+static inline u32 ntoh24(const u8 *p)
+{
+	return (p[0] << 16) | (p[1] << 8) | p[2];
+}
+
+static inline void hton24(u8 *p, u32 v)
+{
+	p[0] = (v >> 16) & 0xff;
+	p[1] = (v >> 8) & 0xff;
+	p[2] = v & 0xff;
+}
 
 /**
  * enum fc_lport_state - Local port states

From 666d07646a29040e3dc4caeb679166559e152ff2 Mon Sep 17 00:00:00 2001
From: Brian Uchino <buchino@cisco.com>
Date: Fri, 9 Apr 2010 14:22:44 -0700
Subject: [PATCH 0382/3638] [SCSI] fnic: Update version to 1.4.0.145

New fnic version to mark inclusion of tx_flush bugfix.

Signed-off-by:  Brian Uchino <buchino@cisco.com>
Signed-off-by:  Abhijeet Joglekar <abjoglek@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fnic/fnic.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index 3966c71d009..585cc9cb942 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -36,7 +36,7 @@
 
 #define DRV_NAME		"fnic"
 #define DRV_DESCRIPTION		"Cisco FCoE HBA Driver"
-#define DRV_VERSION		"1.4.0.98"
+#define DRV_VERSION		"1.4.0.145"
 #define PFX			DRV_NAME ": "
 #define DFX                     DRV_NAME "%d: "
 

From d9e9ab56b687da0b3ecb29f7a77f25aa7ae078fb Mon Sep 17 00:00:00 2001
From: Brian Uchino <buchino@cisco.com>
Date: Fri, 9 Apr 2010 14:22:49 -0700
Subject: [PATCH 0383/3638] [SCSI] fnic: Change fnic_flush_tx() to flush tx
 instead of rx queue

fnic_flush_tx() is used to send frames held while fabric login
is in progress.  The frames are held in tx_queue, but
fnic_flush_tx() was incorrectly flushing from recv_queue which
is used for received frames.

Signed-off-by:  Brian Uchino <buchino@cisco.com>
Signed-off-by:  Abhijeet Joglekar <abjoglek@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fnic/fnic_fcs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
index 5259888fbfb..2b48d79bad9 100644
--- a/drivers/scsi/fnic/fnic_fcs.c
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -617,7 +617,7 @@ void fnic_flush_tx(struct fnic *fnic)
 	struct sk_buff *skb;
 	struct fc_frame *fp;
 
-	while ((skb = skb_dequeue(&fnic->frame_queue))) {
+	while ((skb = skb_dequeue(&fnic->tx_queue))) {
 		fp = (struct fc_frame *)skb;
 		fnic_send_frame(fnic, fp);
 	}

From 8ba00a4bbbbcb39d077e837555dfa9ff0de4202e Mon Sep 17 00:00:00 2001
From: Vasu Dev <vasu.dev@intel.com>
Date: Fri, 9 Apr 2010 14:22:54 -0700
Subject: [PATCH 0384/3638] [SCSI] fcoe: removes unused shost in
 fcoe_shost_config

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index d16dd123257..4d46b71849a 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -655,15 +655,13 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev)
 /**
  * fcoe_shost_config() - Set up the SCSI host associated with a local port
  * @lport: The local port
- * @shost: The SCSI host to associate with the local port
  * @dev:   The device associated with the SCSI host
  *
  * Must be called after fcoe_lport_config() and fcoe_netdev_config()
  *
  * Returns: 0 for success
  */
-static int fcoe_shost_config(struct fc_lport *lport, struct Scsi_Host *shost,
-			     struct device *dev)
+static int fcoe_shost_config(struct fc_lport *lport, struct device *dev)
 {
 	int rc = 0;
 
@@ -899,7 +897,6 @@ static struct fc_lport *fcoe_if_create(struct fcoe_interface *fcoe,
 	struct net_device *netdev = fcoe->netdev;
 	struct fc_lport *lport = NULL;
 	struct fcoe_port *port;
-	struct Scsi_Host *shost;
 	int rc;
 	/*
 	 * parent is only a vport if npiv is 1,
@@ -921,7 +918,6 @@ static struct fc_lport *fcoe_if_create(struct fcoe_interface *fcoe,
 		rc = -ENOMEM;
 		goto out;
 	}
-	shost = lport->host;
 	port = lport_priv(lport);
 	port->lport = lport;
 	port->fcoe = fcoe;
@@ -951,7 +947,7 @@ static struct fc_lport *fcoe_if_create(struct fcoe_interface *fcoe,
 	}
 
 	/* configure lport scsi host properties */
-	rc = fcoe_shost_config(lport, shost, parent);
+	rc = fcoe_shost_config(lport, parent);
 	if (rc) {
 		FCOE_NETDEV_DBG(netdev, "Could not configure shost for the "
 				"interface\n");

From da87bfab8a7e6cfd0e1e5c5874d7fd4f7d11e64e Mon Sep 17 00:00:00 2001
From: Vasu Dev <vasu.dev@intel.com>
Date: Fri, 9 Apr 2010 14:22:59 -0700
Subject: [PATCH 0385/3638] [SCSI] fcoe, fnic, libfc: increased CDB size to 16
 bytes for fcoe.

No reason to restrict CDB size to 12 bytes in fcoe, so
increased to 16 so that 16 bytes SCSI CDB doesn't fail.

Uses common define to set max_cmd_len for fcoe and fnic,
fnic is already setting max_cmd_len to 16.

sg_readcap -l fails without this fix.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c      | 2 ++
 drivers/scsi/fnic/fnic.h      | 2 +-
 drivers/scsi/fnic/fnic_main.c | 2 +-
 include/scsi/libfcoe.h        | 2 ++
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 4d46b71849a..25a7ce5c2d2 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -669,6 +669,8 @@ static int fcoe_shost_config(struct fc_lport *lport, struct device *dev)
 	lport->host->max_lun = FCOE_MAX_LUN;
 	lport->host->max_id = FCOE_MAX_FCP_TARGET;
 	lport->host->max_channel = 0;
+	lport->host->max_cmd_len = FCOE_MAX_CMD_LEN;
+
 	if (lport->vport)
 		lport->host->transportt = fcoe_vport_transport_template;
 	else
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index 585cc9cb942..19338e0ba2c 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -45,7 +45,7 @@
 #define	FNIC_IO_LOCKS		64 /* IO locks: power of 2 */
 #define FNIC_DFLT_QUEUE_DEPTH	32
 #define	FNIC_STATS_RATE_LIMIT	4 /* limit rate at which stats are pulled up */
-#define FNIC_MAX_CMD_LEN        16 /* Supported CDB length */
+
 /*
  * Tag bits used for special requests.
  */
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 97b212570bc..265e73d9cd6 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -556,7 +556,7 @@ static int __devinit fnic_probe(struct pci_dev *pdev,
 	}
 	host->max_lun = fnic->config.luns_per_tgt;
 	host->max_id = FNIC_MAX_FCP_TARGET;
-	host->max_cmd_len = FNIC_MAX_CMD_LEN;
+	host->max_cmd_len = FCOE_MAX_CMD_LEN;
 
 	fnic_get_res_counts(fnic);
 
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 868ed26a976..ec13f51531f 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -29,6 +29,8 @@
 #include <scsi/fc/fc_fcoe.h>
 #include <scsi/libfc.h>
 
+#define FCOE_MAX_CMD_LEN	16	/* Supported CDB length */
+
 /*
  * FIP tunable parameters.
  */

From 63ac4bbffb40f2cb3bc7e8b11bac47598813ea13 Mon Sep 17 00:00:00 2001
From: Yi Zou <yi.zou@intel.com>
Date: Fri, 9 Apr 2010 14:23:05 -0700
Subject: [PATCH 0386/3638] [SCSI] libfc: bug in erroring out upon
 FCP_RSP_LEN_VAL in fc_fcp_resp

fc_fcp_resp is assuming when FCP_SNS_LEN_VAL is set, the FCP_RSP_LEN_VAL
is not, which is not true. This leads to not copying the sense data and
error out a valid FCP_RSP.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_fcp.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 220c4bc536c..f99d66fa2ef 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -844,8 +844,7 @@ static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 					 * exit here
 					 */
 					return;
-				} else
-					goto err;
+				}
 			}
 			if (flags & FCP_SNS_LEN_VAL) {
 				snsl = ntohl(rp_ex->fr_sns_len);

From ce8b5df04292e93a117d9f863af206245bf61271 Mon Sep 17 00:00:00 2001
From: Chris Leech <christopher.leech@intel.com>
Date: Fri, 9 Apr 2010 14:23:10 -0700
Subject: [PATCH 0387/3638] [SCSI] libfc: set both precision and field with
 when printing FC IDs

Most of the prints of fabric IDs were specified as %6x, which will not
print any leading 0s.  It's nice to see leading 0s for identifiers
like this, which are a fixed length.  This patch sets the precision
modifier as well, making the specifier %6.6x, which forces the
printing of leading 0s.

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_disc.c  |  6 +++---
 drivers/scsi/libfc/fc_fcp.c   | 16 ++++++++--------
 drivers/scsi/libfc/fc_libfc.h |  6 +++---
 drivers/scsi/libfc/fc_lport.c | 14 +++++++-------
 4 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index 1087a7f18e8..83314a18db2 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -132,7 +132,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
 		switch (fmt) {
 		case ELS_ADDR_FMT_PORT:
 			FC_DISC_DBG(disc, "Port address format for port "
-				    "(%6x)\n", ntoh24(pp->rscn_fid));
+				    "(%6.6x)\n", ntoh24(pp->rscn_fid));
 			dp = kzalloc(sizeof(*dp), GFP_KERNEL);
 			if (!dp) {
 				redisc = 1;
@@ -449,7 +449,7 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
 			} else {
 				printk(KERN_WARNING "libfc: Failed to allocate "
 				       "memory for the newly discovered port "
-				       "(%6x)\n", ids.port_id);
+				       "(%6.6x)\n", ids.port_id);
 				error = -ENOMEM;
 			}
 		}
@@ -607,7 +607,7 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
 			rdata->ids.port_name = port_name;
 		else if (rdata->ids.port_name != port_name) {
 			FC_DISC_DBG(disc, "GPN_ID accepted.  WWPN changed. "
-				    "Port-id %x wwpn %llx\n",
+				    "Port-id %6.6x wwpn %llx\n",
 				    rdata->ids.port_id, port_name);
 			lport->tt.rport_logoff(rdata);
 
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index f99d66fa2ef..81a7c976b37 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -489,7 +489,7 @@ crc_err:
 			/* per cpu count, not total count, but OK for limit */
 			if (stats->InvalidCRCCount++ < 5)
 				printk(KERN_WARNING "libfc: CRC error on data "
-				       "frame for port (%6x)\n",
+				       "frame for port (%6.6x)\n",
 				       fc_host_port_id(lport->host));
 			put_cpu();
 			/*
@@ -894,7 +894,7 @@ static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 			return;
 		}
 		fsp->status_code = FC_DATA_OVRRUN;
-		FC_FCP_DBG(fsp, "tgt %6x xfer len %zx greater than expected, "
+		FC_FCP_DBG(fsp, "tgt %6.6x xfer len %zx greater than expected, "
 			   "len %x, data len %x\n",
 			   fsp->rport->port_id,
 			   fsp->xfer_len, expected_len, fsp->data_len);
@@ -1562,7 +1562,7 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 		break;
 
 	default:
-		FC_FCP_DBG(fsp, "REC %p fid %x error unexpected error %d\n",
+		FC_FCP_DBG(fsp, "REC %p fid %6.6x error unexpected error %d\n",
 			   fsp, fsp->rport->port_id, error);
 		fsp->status_code = FC_CMD_PLOGO;
 		/* fall through */
@@ -1572,7 +1572,7 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 		 * Assume REC or LS_ACC was lost.
 		 * The exchange manager will have aborted REC, so retry.
 		 */
-		FC_FCP_DBG(fsp, "REC fid %x error error %d retry %d/%d\n",
+		FC_FCP_DBG(fsp, "REC fid %6.6x error error %d retry %d/%d\n",
 			   fsp->rport->port_id, error, fsp->recov_retry,
 			   FC_MAX_RECOV_RETRY);
 		if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY)
@@ -2053,7 +2053,7 @@ int fc_eh_device_reset(struct scsi_cmnd *sc_cmd)
 	if (lport->state != LPORT_ST_READY)
 		return rc;
 
-	FC_SCSI_DBG(lport, "Resetting rport (%6x)\n", rport->port_id);
+	FC_SCSI_DBG(lport, "Resetting rport (%6.6x)\n", rport->port_id);
 
 	fsp = fc_fcp_pkt_alloc(lport, GFP_NOIO);
 	if (fsp == NULL) {
@@ -2101,11 +2101,11 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd)
 
 	if (fc_fcp_lport_queue_ready(lport)) {
 		shost_printk(KERN_INFO, shost, "libfc: Host reset succeeded "
-			     "on port (%6x)\n", fc_host_port_id(lport->host));
+			     "on port (%6.6x)\n", fc_host_port_id(lport->host));
 		return SUCCESS;
 	} else {
 		shost_printk(KERN_INFO, shost, "libfc: Host reset failed, "
-			     "port (%6x) is not ready.\n",
+			     "port (%6.6x) is not ready.\n",
 			     fc_host_port_id(lport->host));
 		return FAILED;
 	}
@@ -2191,7 +2191,7 @@ void fc_fcp_destroy(struct fc_lport *lport)
 
 	if (!list_empty(&si->scsi_pkt_queue))
 		printk(KERN_ERR "libfc: Leaked SCSI packets when destroying "
-		       "port (%6x)\n", fc_host_port_id(lport->host));
+		       "port (%6.6x)\n", fc_host_port_id(lport->host));
 
 	mempool_destroy(si->scsi_pkt_pool);
 	kfree(si);
diff --git a/drivers/scsi/libfc/fc_libfc.h b/drivers/scsi/libfc/fc_libfc.h
index 741fd5c72e1..efc6b3fe6f3 100644
--- a/drivers/scsi/libfc/fc_libfc.h
+++ b/drivers/scsi/libfc/fc_libfc.h
@@ -45,7 +45,7 @@ extern unsigned int fc_debug_logging;
 
 #define FC_LPORT_DBG(lport, fmt, args...)				\
 	FC_CHECK_LOGGING(FC_LPORT_LOGGING,				\
-			 printk(KERN_INFO "host%u: lport %6x: " fmt,	\
+			 printk(KERN_INFO "host%u: lport %6.6x: " fmt,	\
 				(lport)->host->host_no,			\
 				fc_host_port_id((lport)->host), ##args))
 
@@ -57,7 +57,7 @@ extern unsigned int fc_debug_logging;
 
 #define FC_RPORT_ID_DBG(lport, port_id, fmt, args...)			\
 	FC_CHECK_LOGGING(FC_RPORT_LOGGING,				\
-			 printk(KERN_INFO "host%u: rport %6x: " fmt,	\
+			 printk(KERN_INFO "host%u: rport %6.6x: " fmt,	\
 				(lport)->host->host_no,			\
 				(port_id), ##args))
 
@@ -66,7 +66,7 @@ extern unsigned int fc_debug_logging;
 
 #define FC_FCP_DBG(pkt, fmt, args...)					\
 	FC_CHECK_LOGGING(FC_FCP_LOGGING,				\
-			 printk(KERN_INFO "host%u: fcp: %6x: " fmt,	\
+			 printk(KERN_INFO "host%u: fcp: %6.6x: " fmt,	\
 				(pkt)->lp->host->host_no,		\
 				pkt->rport->port_id, ##args))
 
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index a6cf94d44ef..e89bdd53acf 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -172,7 +172,7 @@ static void fc_lport_rport_callback(struct fc_lport *lport,
 				    struct fc_rport_priv *rdata,
 				    enum fc_rport_event event)
 {
-	FC_LPORT_DBG(lport, "Received a %d event for port (%6x)\n", event,
+	FC_LPORT_DBG(lport, "Received a %d event for port (%6.6x)\n", event,
 		     rdata->ids.port_id);
 
 	mutex_lock(&lport->lp_mutex);
@@ -183,7 +183,7 @@ static void fc_lport_rport_callback(struct fc_lport *lport,
 			fc_lport_enter_ns(lport, LPORT_ST_RNN_ID);
 		} else {
 			FC_LPORT_DBG(lport, "Received an READY event "
-				     "on port (%6x) for the directory "
+				     "on port (%6.6x) for the directory "
 				     "server, but the lport is not "
 				     "in the DNS state, it's in the "
 				     "%d state", rdata->ids.port_id,
@@ -575,7 +575,7 @@ void __fc_linkup(struct fc_lport *lport)
  */
 void fc_linkup(struct fc_lport *lport)
 {
-	printk(KERN_INFO "host%d: libfc: Link up on port (%6x)\n",
+	printk(KERN_INFO "host%d: libfc: Link up on port (%6.6x)\n",
 	       lport->host->host_no, fc_host_port_id(lport->host));
 
 	mutex_lock(&lport->lp_mutex);
@@ -605,7 +605,7 @@ void __fc_linkdown(struct fc_lport *lport)
  */
 void fc_linkdown(struct fc_lport *lport)
 {
-	printk(KERN_INFO "host%d: libfc: Link down on port (%6x)\n",
+	printk(KERN_INFO "host%d: libfc: Link down on port (%6.6x)\n",
 	       lport->host->host_no, fc_host_port_id(lport->host));
 
 	mutex_lock(&lport->lp_mutex);
@@ -707,7 +707,7 @@ void fc_lport_disc_callback(struct fc_lport *lport, enum fc_disc_event event)
 		break;
 	case DISC_EV_FAILED:
 		printk(KERN_ERR "host%d: libfc: "
-		       "Discovery failed for port (%6x)\n",
+		       "Discovery failed for port (%6.6x)\n",
 		       lport->host->host_no, fc_host_port_id(lport->host));
 		mutex_lock(&lport->lp_mutex);
 		fc_lport_enter_reset(lport);
@@ -753,7 +753,7 @@ static void fc_lport_set_port_id(struct fc_lport *lport, u32 port_id,
 				 struct fc_frame *fp)
 {
 	if (port_id)
-		printk(KERN_INFO "host%d: Assigned Port ID %6x\n",
+		printk(KERN_INFO "host%d: Assigned Port ID %6.6x\n",
 		       lport->host->host_no, port_id);
 
 	fc_host_port_id(lport->host) = port_id;
@@ -1499,7 +1499,7 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
 				lport->r_a_tov = 2 * e_d_tov;
 				fc_lport_set_port_id(lport, did, fp);
 				printk(KERN_INFO "host%d: libfc: "
-				       "Port (%6x) entered "
+				       "Port (%6.6x) entered "
 				       "point-to-point mode\n",
 				       lport->host->host_no, did);
 				fc_lport_ptp_setup(lport, ntoh24(fh->fh_s_id),

From 9f8f3aa640ae5da220eea95215317f19ace91481 Mon Sep 17 00:00:00 2001
From: Chris Leech <christopher.leech@intel.com>
Date: Fri, 9 Apr 2010 14:23:16 -0700
Subject: [PATCH 0388/3638] [SCSI] libfc, fcoe: normalize format specifies for
 world wide names

Print all world wide node names (node, port and fabric) with the same
format specifier of "%16.16llx".  That makes sure they all print as a
16 character hex string, with lower case letters, no 0x prefix, and
without stripping off any leading 0s.

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c      |  3 ++-
 drivers/scsi/fcoe/libfcoe.c   | 21 ++++++++++++---------
 drivers/scsi/libfc/fc_disc.c  |  2 +-
 drivers/scsi/libfc/fc_lport.c |  4 ++--
 4 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 25a7ce5c2d2..aba839e6801 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -934,7 +934,8 @@ static struct fc_lport *fcoe_if_create(struct fcoe_interface *fcoe,
 	}
 
 	if (npiv) {
-		FCOE_NETDEV_DBG(netdev, "Setting vport names, 0x%llX 0x%llX\n",
+		FCOE_NETDEV_DBG(netdev, "Setting vport names, "
+				"%16.16llx %16.16llx\n",
 				vport->node_name, vport->port_name);
 		fc_set_wwnn(lport, vport->node_name);
 		fc_set_wwpn(lport, vport->port_name);
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index de5c329cb3b..aadd24962e9 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -583,7 +583,7 @@ static void fcoe_ctlr_age_fcfs(struct fcoe_ctlr *fip)
 					    smp_processor_id());
 			stats->MissDiscAdvCount++;
 			printk(KERN_INFO "libfcoe: host%d: Missing Discovery "
-			       "Advertisement for fab %llx count %lld\n",
+			       "Advertisement for fab %16.16llx count %lld\n",
 			       fip->lp->host->host_no, fcf->fabric_name,
 			       stats->MissDiscAdvCount);
 		}
@@ -780,7 +780,8 @@ static void fcoe_ctlr_recv_adv(struct fcoe_ctlr *fip, struct sk_buff *skb)
 	mtu_valid = fcoe_ctlr_mtu_valid(fcf);
 	fcf->time = jiffies;
 	if (!found) {
-		LIBFCOE_FIP_DBG(fip, "New FCF for fab %llx map %x val %d\n",
+		LIBFCOE_FIP_DBG(fip, "New FCF for fab %16.16llx "
+				"map %x val %d\n",
 				fcf->fabric_name, fcf->fc_map, mtu_valid);
 	}
 
@@ -1108,15 +1109,17 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip)
 	struct fcoe_fcf *best = NULL;
 
 	list_for_each_entry(fcf, &fip->fcfs, list) {
-		LIBFCOE_FIP_DBG(fip, "consider FCF for fab %llx VFID %d map %x "
-				"val %d\n", fcf->fabric_name, fcf->vfid,
+		LIBFCOE_FIP_DBG(fip, "consider FCF for fab %16.16llx "
+				"VFID %d map %x val %d\n",
+				fcf->fabric_name, fcf->vfid,
 				fcf->fc_map, fcoe_ctlr_mtu_valid(fcf));
 		if (!fcoe_ctlr_fcf_usable(fcf)) {
-			LIBFCOE_FIP_DBG(fip, "FCF for fab %llx map %x %svalid "
-					"%savailable\n", fcf->fabric_name,
-					fcf->fc_map, (fcf->flags & FIP_FL_SOL)
-					? "" : "in", (fcf->flags & FIP_FL_AVAIL)
-					? "" : "un");
+			LIBFCOE_FIP_DBG(fip, "FCF for fab %16.16llx "
+					"map %x %svalid %savailable\n",
+					fcf->fabric_name, fcf->fc_map,
+					(fcf->flags & FIP_FL_SOL) ? "" : "in",
+					(fcf->flags & FIP_FL_AVAIL) ?
+					"" : "un");
 			continue;
 		}
 		if (!best) {
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index 83314a18db2..b292272d296 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -607,7 +607,7 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
 			rdata->ids.port_name = port_name;
 		else if (rdata->ids.port_name != port_name) {
 			FC_DISC_DBG(disc, "GPN_ID accepted.  WWPN changed. "
-				    "Port-id %6.6x wwpn %llx\n",
+				    "Port-id %6.6x wwpn %16.16llx\n",
 				    rdata->ids.port_id, port_name);
 			lport->tt.rport_logoff(rdata);
 
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index e89bdd53acf..ef25e11abd3 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -800,11 +800,11 @@ static void fc_lport_recv_flogi_req(struct fc_seq *sp_in,
 	remote_wwpn = get_unaligned_be64(&flp->fl_wwpn);
 	if (remote_wwpn == lport->wwpn) {
 		printk(KERN_WARNING "host%d: libfc: Received FLOGI from port "
-		       "with same WWPN %llx\n",
+		       "with same WWPN %16.16llx\n",
 		       lport->host->host_no, remote_wwpn);
 		goto out;
 	}
-	FC_LPORT_DBG(lport, "FLOGI from port WWPN %llx\n", remote_wwpn);
+	FC_LPORT_DBG(lport, "FLOGI from port WWPN %16.16llx\n", remote_wwpn);
 
 	/*
 	 * XXX what is the right thing to do for FIDs?

From ef7d17a907d89d590831a3995ed8638a9ad394bc Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 9 Apr 2010 22:07:36 -0500
Subject: [PATCH 0389/3638] [SCSI] iscsi_tcp: change & to &&

This change is basically a clean up.

datadgst_en is an int which comes from the user.  I didn't see anything
limiting it to 1 and 0 although obviously that's what it's supposed to
be.  If the user passed in 2 this test would fail.

This same if condition is repeated in another function and it uses &&
there.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libiscsi_tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index 5c92620292f..8eeb39ffa37 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -421,7 +421,7 @@ iscsi_tcp_data_recv_prep(struct iscsi_tcp_conn *tcp_conn)
 	struct iscsi_conn *conn = tcp_conn->iscsi_conn;
 	struct hash_desc *rx_hash = NULL;
 
-	if (conn->datadgst_en &
+	if (conn->datadgst_en &&
 	    !(conn->session->tt->caps & CAP_DIGEST_OFFLOAD))
 		rx_hash = tcp_conn->rx_hash;
 

From 5738d4449c1baf05e8345684d12371f76296473d Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Fri, 9 Apr 2010 22:07:37 -0500
Subject: [PATCH 0390/3638] [SCSI] scsi_dh_emc: request flag cleanup

blk_get_request sets the cmd_flags, so we should not and do not
need to set them. If we did set them to a different value then
it can cause a oops in the elevator code.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/device_handler/scsi_dh_emc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index e8a0bc3efd4..6faf472f753 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -285,13 +285,11 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
 	switch (cmd) {
 	case MODE_SELECT:
 		len = sizeof(short_trespass);
-		rq->cmd_flags |= REQ_RW;
 		rq->cmd[1] = 0x10;
 		rq->cmd[4] = len;
 		break;
 	case MODE_SELECT_10:
 		len = sizeof(long_trespass);
-		rq->cmd_flags |= REQ_RW;
 		rq->cmd[1] = 0x10;
 		rq->cmd[8] = len;
 		break;

From c484a50a4db33c3d69a7750fd4fbf7b60d39940d Mon Sep 17 00:00:00 2001
From: Avi Kaplan <savik751@gmail.com>
Date: Fri, 9 Apr 2010 22:07:38 -0500
Subject: [PATCH 0391/3638] [SCSI] iscsi_tcp: Change
 iscsi_sw_tcp_conn_restore_callbacks arguments

This patch changes the arguments to iscsi_sw_tcp_conn_restore_callbacks,
so that it works like the function to set the callbacks and because
in upcoming patches we need a iscsi_conn.

Signed-off-by: Avi Kaplan <savik751@gmail.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/iscsi_tcp.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 0ee725ced51..d0bb1f9c574 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -206,8 +206,10 @@ static void iscsi_sw_tcp_conn_set_callbacks(struct iscsi_conn *conn)
 }
 
 static void
-iscsi_sw_tcp_conn_restore_callbacks(struct iscsi_sw_tcp_conn *tcp_sw_conn)
+iscsi_sw_tcp_conn_restore_callbacks(struct iscsi_conn *conn)
 {
+	struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
+	struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data;
 	struct sock *sk = tcp_sw_conn->sock->sk;
 
 	/* restore socket callbacks, see also: iscsi_conn_set_callbacks() */
@@ -555,7 +557,7 @@ static void iscsi_sw_tcp_release_conn(struct iscsi_conn *conn)
 		return;
 
 	sock_hold(sock->sk);
-	iscsi_sw_tcp_conn_restore_callbacks(tcp_sw_conn);
+	iscsi_sw_tcp_conn_restore_callbacks(conn);
 	sock_put(sock->sk);
 
 	spin_lock_bh(&session->lock);

From c8032216c9607ee8c62a39484711750c1445c6a4 Mon Sep 17 00:00:00 2001
From: Avi Kaplan <savik751@gmail.com>
Date: Fri, 9 Apr 2010 22:07:39 -0500
Subject: [PATCH 0392/3638] [SCSI] iscsi_tcp: Remove unused field iscsi_conn
 from struct iscsi_sw_tcp_conn

iscsi_conn is not used so remove it from iscsi_sw_tcp_conn.

Signed-off-by: Avi Kaplan <savik751@gmail.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/iscsi_tcp.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h
index ca6b7bc64de..94644bad0ed 100644
--- a/drivers/scsi/iscsi_tcp.h
+++ b/drivers/scsi/iscsi_tcp.h
@@ -36,7 +36,6 @@ struct iscsi_sw_tcp_send {
 };
 
 struct iscsi_sw_tcp_conn {
-	struct iscsi_conn	*iscsi_conn;
 	struct socket		*sock;
 
 	struct iscsi_sw_tcp_send out;

From 9dc9fd9484c5168d23fe855e6c56543d96b6695b Mon Sep 17 00:00:00 2001
From: Srinivas <satyasrinivasp@hcl.in>
Date: Mon, 15 Feb 2010 00:00:00 -0600
Subject: [PATCH 0393/3638] [SCSI] mvsas: fix hot plug handling and IO issues

This patch adds a bunch of fixes

1. Reduce sg table size to 64 (SG_MX) instead of default SG_ALL
2. clear task lists on phy down events
3. release all tasks on port deformation
4. release current task for device gone notification
5. Add sata abort handing
6. Add 10ms delay to each port reset (currently done serially and with
   interrupts disabled)

[jejb: whitespace fixes and clean ups plus added description
       added dummy 94xx_clear_srs_irq function just to prevent the
       mismatch in the mvs_dispatch structure killing 94xx cards]
Signed-off-by: Srinivas <satyasrinivasp@hcl.in>
Cc: Andy Yan <ayan@marvell.com>
Cc: qswang@marvell.com
Cc: jfeng@marvell.com
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mvsas/mv_64xx.c |  25 ++++-
 drivers/scsi/mvsas/mv_94xx.c |  10 ++
 drivers/scsi/mvsas/mv_init.c |  19 ++--
 drivers/scsi/mvsas/mv_sas.c  | 201 +++++++++++++++++++++++------------
 drivers/scsi/mvsas/mv_sas.h  |  11 +-
 5 files changed, 186 insertions(+), 80 deletions(-)

diff --git a/drivers/scsi/mvsas/mv_64xx.c b/drivers/scsi/mvsas/mv_64xx.c
index 10a5077b6ae..afc7f6f3a13 100644
--- a/drivers/scsi/mvsas/mv_64xx.c
+++ b/drivers/scsi/mvsas/mv_64xx.c
@@ -132,9 +132,9 @@ static void mvs_64xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard)
 	tmp &= ~PHYEV_RDY_CH;
 	mvs_write_port_irq_stat(mvi, phy_id, tmp);
 	tmp = mvs_read_phy_ctl(mvi, phy_id);
-	if (hard)
+	if (hard == 1)
 		tmp |= PHY_RST_HARD;
-	else
+	else if (hard == 0)
 		tmp |= PHY_RST;
 	mvs_write_phy_ctl(mvi, phy_id, tmp);
 	if (hard) {
@@ -144,6 +144,26 @@ static void mvs_64xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard)
 	}
 }
 
+void mvs_64xx_clear_srs_irq(struct mvs_info *mvi, u8 reg_set, u8 clear_all)
+{
+	void __iomem *regs = mvi->regs;
+	u32 tmp;
+	if (clear_all) {
+		tmp = mr32(MVS_INT_STAT_SRS_0);
+		if (tmp) {
+			printk(KERN_DEBUG "check SRS 0 %08X.\n", tmp);
+			mw32(MVS_INT_STAT_SRS_0, tmp);
+		}
+	} else {
+		tmp = mr32(MVS_INT_STAT_SRS_0);
+		if (tmp &  (1 << (reg_set % 32))) {
+			printk(KERN_DEBUG "register set 0x%x was stopped.\n",
+			       reg_set);
+			mw32(MVS_INT_STAT_SRS_0, 1 << (reg_set % 32));
+		}
+	}
+}
+
 static int __devinit mvs_64xx_chip_reset(struct mvs_info *mvi)
 {
 	void __iomem *regs = mvi->regs;
@@ -761,6 +781,7 @@ const struct mvs_dispatch mvs_64xx_dispatch = {
 	mvs_write_port_irq_mask,
 	mvs_get_sas_addr,
 	mvs_64xx_command_active,
+	mvs_64xx_clear_srs_irq,
 	mvs_64xx_issue_stop,
 	mvs_start_delivery,
 	mvs_rx_update,
diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c
index 0940fae19d2..eed4c5c7201 100644
--- a/drivers/scsi/mvsas/mv_94xx.c
+++ b/drivers/scsi/mvsas/mv_94xx.c
@@ -616,6 +616,15 @@ void mvs_94xx_fix_dma(dma_addr_t buf_dma, int buf_len, int from, void *prd)
 }
 #endif
 
+/*
+ * FIXME JEJB: temporary nop clear_srs_irq to make 94xx still work
+ * with 64xx fixes
+ */
+static void mvs_94xx_clear_srs_irq(struct mvs_info *mvi, u8 reg_set,
+				   u8 clear_all)
+{
+}
+
 const struct mvs_dispatch mvs_94xx_dispatch = {
 	"mv94xx",
 	mvs_94xx_init,
@@ -640,6 +649,7 @@ const struct mvs_dispatch mvs_94xx_dispatch = {
 	mvs_write_port_irq_mask,
 	mvs_get_sas_addr,
 	mvs_94xx_command_active,
+	mvs_94xx_clear_srs_irq,
 	mvs_94xx_issue_stop,
 	mvs_start_delivery,
 	mvs_rx_update,
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index cae6b2cf492..19ad34f381a 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -37,6 +37,7 @@ static const struct mvs_chip_info mvs_chips[] = {
 };
 
 #define SOC_SAS_NUM 2
+#define SG_MX 64
 
 static struct scsi_host_template mvs_sht = {
 	.module			= THIS_MODULE,
@@ -53,10 +54,10 @@ static struct scsi_host_template mvs_sht = {
 	.can_queue		= 1,
 	.cmd_per_lun		= 1,
 	.this_id		= -1,
-	.sg_tablesize		= SG_ALL,
+	.sg_tablesize		= SG_MX,
 	.max_sectors		= SCSI_DEFAULT_MAX_SECTORS,
 	.use_clustering		= ENABLE_CLUSTERING,
-	.eh_device_reset_handler	= sas_eh_device_reset_handler,
+	.eh_device_reset_handler = sas_eh_device_reset_handler,
 	.eh_bus_reset_handler	= sas_eh_bus_reset_handler,
 	.slave_alloc		= mvs_slave_alloc,
 	.target_destroy		= sas_target_destroy,
@@ -65,19 +66,17 @@ static struct scsi_host_template mvs_sht = {
 
 static struct sas_domain_function_template mvs_transport_ops = {
 	.lldd_dev_found 	= mvs_dev_found,
-	.lldd_dev_gone	= mvs_dev_gone,
-
+	.lldd_dev_gone		= mvs_dev_gone,
 	.lldd_execute_task	= mvs_queue_command,
 	.lldd_control_phy	= mvs_phy_control,
 
 	.lldd_abort_task	= mvs_abort_task,
 	.lldd_abort_task_set    = mvs_abort_task_set,
 	.lldd_clear_aca         = mvs_clear_aca,
-       .lldd_clear_task_set    = mvs_clear_task_set,
+	.lldd_clear_task_set    = mvs_clear_task_set,
 	.lldd_I_T_nexus_reset	= mvs_I_T_nexus_reset,
 	.lldd_lu_reset 		= mvs_lu_reset,
 	.lldd_query_task	= mvs_query_task,
-
 	.lldd_port_formed	= mvs_port_formed,
 	.lldd_port_deformed     = mvs_port_deformed,
 
@@ -213,7 +212,7 @@ static irqreturn_t mvs_interrupt(int irq, void *opaque)
 
 static int __devinit mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
 {
-	int i, slot_nr;
+	int i = 0, slot_nr;
 
 	if (mvi->flags & MVF_FLAG_SOC)
 		slot_nr = MVS_SOC_SLOTS;
@@ -232,6 +231,7 @@ static int __devinit mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
 		mvi->devices[i].dev_type = NO_DEVICE;
 		mvi->devices[i].device_id = i;
 		mvi->devices[i].dev_status = MVS_DEV_NORMAL;
+		init_timer(&mvi->devices[i].timer);
 	}
 
 	/*
@@ -437,6 +437,7 @@ static int __devinit mvs_prep_sas_ha_init(struct Scsi_Host *shost,
 
 	sha->sas_phy = arr_phy;
 	sha->sas_port = arr_port;
+	sha->core.shost = shost;
 
 	sha->lldd_ha = kzalloc(sizeof(struct mvs_prv_info), GFP_KERNEL);
 	if (!sha->lldd_ha)
@@ -574,6 +575,10 @@ static int __devinit mvs_pci_init(struct pci_dev *pdev,
 		}
 		nhost++;
 	} while (nhost < chip->n_host);
+#ifdef MVS_USE_TASKLET
+	tasklet_init(&mv_tasklet, mvs_tasklet,
+		     (unsigned long)SHOST_TO_SAS_HA(shost));
+#endif
 
 	mvs_post_sas_ha_init(shost, chip);
 
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 0d213864121..f5e32179190 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -259,8 +259,6 @@ static inline void mvs_free_reg_set(struct mvs_info *mvi,
 		mv_printk("device has been free.\n");
 		return;
 	}
-	if (dev->runing_req != 0)
-		return;
 	if (dev->taskfileset == MVS_ID_NOT_MAPPED)
 		return;
 	MVS_CHIP_DISP->free_reg_set(mvi, &dev->taskfileset);
@@ -762,8 +760,6 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi,
 	}
 	if (is_tmf)
 		flags |= (MCH_SSP_FR_TASK << MCH_SSP_FR_TYPE_SHIFT);
-	else
-		flags |= (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT);
 	hdr->flags = cpu_to_le32(flags | (tei->n_elem << MCH_PRD_LEN_SHIFT));
 	hdr->tags = cpu_to_le32(tag);
 	hdr->data_len = cpu_to_le32(task->total_xfer_len);
@@ -878,14 +874,15 @@ static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags,
 	struct mvs_slot_info *slot;
 	u32 tag = 0xdeadbeef, rc, n_elem = 0;
 	u32 n = num, pass = 0;
-	unsigned long flags = 0;
+	unsigned long flags = 0,  flags_libsas = 0;
 
 	if (!dev->port) {
 		struct task_status_struct *tsm = &t->task_status;
 
 		tsm->resp = SAS_TASK_UNDELIVERED;
 		tsm->stat = SAS_PHY_DOWN;
-		t->task_done(t);
+		if (dev->dev_type != SATA_DEV)
+			t->task_done(t);
 		return 0;
 	}
 
@@ -910,12 +907,25 @@ static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags,
 		else
 			tei.port = &mvi->port[dev->port->id];
 
-		if (!tei.port->port_attached) {
+		if (tei.port && !tei.port->port_attached) {
 			if (sas_protocol_ata(t->task_proto)) {
+				struct task_status_struct *ts = &t->task_status;
+
 				mv_dprintk("port %d does not"
 					"attached device.\n", dev->port->id);
-				rc = SAS_PHY_DOWN;
-				goto out_done;
+				ts->stat = SAS_PROTO_RESPONSE;
+				ts->stat = SAS_PHY_DOWN;
+				spin_unlock_irqrestore(dev->sata_dev.ap->lock,
+						       flags_libsas);
+				spin_unlock_irqrestore(&mvi->lock, flags);
+				t->task_done(t);
+				spin_lock_irqsave(&mvi->lock, flags);
+				spin_lock_irqsave(dev->sata_dev.ap->lock,
+						  flags_libsas);
+				if (n > 1)
+					t = list_entry(t->list.next,
+						       struct sas_task, list);
+				continue;
 			} else {
 				struct task_status_struct *ts = &t->task_status;
 				ts->resp = SAS_TASK_UNDELIVERED;
@@ -973,8 +983,8 @@ static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags,
 			break;
 		default:
 			dev_printk(KERN_ERR, mvi->dev,
-				"unknown sas_task proto: 0x%x\n",
-				t->task_proto);
+				   "unknown sas_task proto: 0x%x\n",
+				   t->task_proto);
 			rc = -EINVAL;
 			break;
 		}
@@ -993,11 +1003,15 @@ static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags,
 		spin_unlock(&t->task_state_lock);
 
 		mvs_hba_memory_dump(mvi, tag, t->task_proto);
-		mvi_dev->runing_req++;
+		mvi_dev->running_req++;
 		++pass;
 		mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_CHIP_SLOT_SZ - 1);
 		if (n > 1)
 			t = list_entry(t->list.next, struct sas_task, list);
+		if (likely(pass))
+			MVS_CHIP_DISP->start_delivery(mvi, (mvi->tx_prod - 1) &
+						      (MVS_CHIP_SLOT_SZ - 1));
+
 	} while (--n);
 	rc = 0;
 	goto out_done;
@@ -1012,10 +1026,6 @@ err_out:
 			dma_unmap_sg(mvi->dev, t->scatter, n_elem,
 				     t->data_dir);
 out_done:
-	if (likely(pass)) {
-		MVS_CHIP_DISP->start_delivery(mvi,
-			(mvi->tx_prod - 1) & (MVS_CHIP_SLOT_SZ - 1));
-	}
 	spin_unlock_irqrestore(&mvi->lock, flags);
 	return rc;
 }
@@ -1187,7 +1197,7 @@ void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st)
 				MVS_CHIP_DISP->phy_reset(mvi, i, 0);
 				goto out_done;
 			}
-		}		else if (phy->phy_type & PORT_TYPE_SAS
+		}	else if (phy->phy_type & PORT_TYPE_SAS
 			|| phy->att_dev_info & PORT_SSP_INIT_MASK) {
 			phy->phy_attached = 1;
 			phy->identify.device_type =
@@ -1256,7 +1266,20 @@ static void mvs_port_notify_formed(struct asd_sas_phy *sas_phy, int lock)
 
 static void mvs_port_notify_deformed(struct asd_sas_phy *sas_phy, int lock)
 {
-	/*Nothing*/
+	struct domain_device *dev;
+	struct mvs_phy *phy = sas_phy->lldd_phy;
+	struct mvs_info *mvi = phy->mvi;
+	struct asd_sas_port *port = sas_phy->port;
+	int phy_no = 0;
+
+	while (phy != &mvi->phy[phy_no]) {
+		phy_no++;
+		if (phy_no >= MVS_MAX_PHYS)
+			return;
+	}
+	list_for_each_entry(dev, &port->dev_list, dev_list_node)
+		mvs_do_release_task(phy->mvi, phy_no, NULL);
+
 }
 
 
@@ -1316,6 +1339,7 @@ int mvs_dev_found_notify(struct domain_device *dev, int lock)
 		goto found_out;
 	}
 	dev->lldd_dev = mvi_device;
+	mvi_device->dev_status = MVS_DEV_NORMAL;
 	mvi_device->dev_type = dev->dev_type;
 	mvi_device->mvi_info = mvi;
 	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type)) {
@@ -1351,18 +1375,18 @@ int mvs_dev_found(struct domain_device *dev)
 	return mvs_dev_found_notify(dev, 1);
 }
 
-void mvs_dev_gone_notify(struct domain_device *dev, int lock)
+void mvs_dev_gone_notify(struct domain_device *dev)
 {
 	unsigned long flags = 0;
 	struct mvs_device *mvi_dev = dev->lldd_dev;
 	struct mvs_info *mvi = mvi_dev->mvi_info;
 
-	if (lock)
-		spin_lock_irqsave(&mvi->lock, flags);
+	spin_lock_irqsave(&mvi->lock, flags);
 
 	if (mvi_dev) {
 		mv_dprintk("found dev[%d:%x] is gone.\n",
 			mvi_dev->device_id, mvi_dev->dev_type);
+		mvs_release_task(mvi, dev);
 		mvs_free_reg_set(mvi, mvi_dev);
 		mvs_free_dev(mvi_dev);
 	} else {
@@ -1370,14 +1394,13 @@ void mvs_dev_gone_notify(struct domain_device *dev, int lock)
 	}
 	dev->lldd_dev = NULL;
 
-	if (lock)
-		spin_unlock_irqrestore(&mvi->lock, flags);
+	spin_unlock_irqrestore(&mvi->lock, flags);
 }
 
 
 void mvs_dev_gone(struct domain_device *dev)
 {
-	mvs_dev_gone_notify(dev, 1);
+	mvs_dev_gone_notify(dev);
 }
 
 static  struct sas_task *mvs_alloc_task(void)
@@ -1540,7 +1563,7 @@ int mvs_lu_reset(struct domain_device *dev, u8 *lun)
 		num = mvs_find_dev_phyno(dev, phyno);
 		spin_lock_irqsave(&mvi->lock, flags);
 		for (i = 0; i < num; i++)
-			mvs_release_task(mvi, phyno[i], dev);
+			mvs_release_task(mvi, dev);
 		spin_unlock_irqrestore(&mvi->lock, flags);
 	}
 	/* If failed, fall-through I_T_Nexus reset */
@@ -1552,8 +1575,8 @@ int mvs_lu_reset(struct domain_device *dev, u8 *lun)
 int mvs_I_T_nexus_reset(struct domain_device *dev)
 {
 	unsigned long flags;
-	int i, phyno[WIDE_PORT_MAX_PHY], num , rc = TMF_RESP_FUNC_FAILED;
-	struct mvs_device * mvi_dev = (struct mvs_device *)dev->lldd_dev;
+	int rc = TMF_RESP_FUNC_FAILED;
+    struct mvs_device * mvi_dev = (struct mvs_device *)dev->lldd_dev;
 	struct mvs_info *mvi = mvi_dev->mvi_info;
 
 	if (mvi_dev->dev_status != MVS_DEV_EH)
@@ -1563,10 +1586,8 @@ int mvs_I_T_nexus_reset(struct domain_device *dev)
 		__func__, mvi_dev->device_id, rc);
 
 	/* housekeeper */
-	num = mvs_find_dev_phyno(dev, phyno);
 	spin_lock_irqsave(&mvi->lock, flags);
-	for (i = 0; i < num; i++)
-		mvs_release_task(mvi, phyno[i], dev);
+	mvs_release_task(mvi, dev);
 	spin_unlock_irqrestore(&mvi->lock, flags);
 
 	return rc;
@@ -1603,6 +1624,9 @@ int mvs_query_task(struct sas_task *task)
 		case TMF_RESP_FUNC_FAILED:
 		case TMF_RESP_FUNC_COMPLETE:
 			break;
+		default:
+			rc = TMF_RESP_FUNC_COMPLETE;
+			break;
 		}
 	}
 	mv_printk("%s:rc= %d\n", __func__, rc);
@@ -1621,8 +1645,11 @@ int mvs_abort_task(struct sas_task *task)
 	unsigned long flags;
 	u32 tag;
 
-	if (mvi->exp_req)
-		mvi->exp_req--;
+	if (!mvi_dev) {
+		mv_printk("%s:%d TMF_RESP_FUNC_FAILED\n", __func__, __LINE__);
+		rc = TMF_RESP_FUNC_FAILED;
+	}
+
 	spin_lock_irqsave(&task->task_state_lock, flags);
 	if (task->task_state_flags & SAS_TASK_STATE_DONE) {
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
@@ -1630,6 +1657,7 @@ int mvs_abort_task(struct sas_task *task)
 		goto out;
 	}
 	spin_unlock_irqrestore(&task->task_state_lock, flags);
+	mvi_dev->dev_status = MVS_DEV_EH;
 	if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) {
 		struct scsi_cmnd * cmnd = (struct scsi_cmnd *)task->uldd_task;
 
@@ -1654,12 +1682,31 @@ int mvs_abort_task(struct sas_task *task)
 			if (task->lldd_task) {
 				slot = task->lldd_task;
 				slot_no = (u32) (slot - mvi->slot_info);
+				spin_lock_irqsave(&mvi->lock, flags);
 				mvs_slot_complete(mvi, slot_no, 1);
+				spin_unlock_irqrestore(&mvi->lock, flags);
 			}
 		}
+
 	} else if (task->task_proto & SAS_PROTOCOL_SATA ||
 		task->task_proto & SAS_PROTOCOL_STP) {
 		/* to do free register_set */
+		if (SATA_DEV == dev->dev_type) {
+			struct mvs_slot_info *slot = task->lldd_task;
+			struct task_status_struct *tstat;
+			u32 slot_idx = (u32)(slot - mvi->slot_info);
+			tstat = &task->task_status;
+			mv_dprintk(KERN_DEBUG "mv_abort_task() mvi=%p task=%p "
+				   "slot=%p slot_idx=x%x\n",
+				   mvi, task, slot, slot_idx);
+			tstat->stat = SAS_ABORTED_TASK;
+			if (mvi_dev && mvi_dev->running_req)
+				mvi_dev->running_req--;
+			if (sas_protocol_ata(task->task_proto))
+				mvs_free_reg_set(mvi, mvi_dev);
+			mvs_slot_task_free(mvi, task, slot, slot_idx);
+			return -1;
+		}
 	} else {
 		/* SMP */
 
@@ -1717,8 +1764,13 @@ static int mvs_sata_done(struct mvs_info *mvi, struct sas_task *task,
 	       SATA_RECEIVED_D2H_FIS(mvi_dev->taskfileset),
 	       sizeof(struct dev_to_host_fis));
 	tstat->buf_valid_size = sizeof(*resp);
-	if (unlikely(err))
-		stat = SAS_PROTO_RESPONSE;
+	if (unlikely(err)) {
+		if (unlikely(err & CMD_ISS_STPD))
+			stat = SAS_OPEN_REJECT;
+		else
+			stat = SAS_PROTO_RESPONSE;
+       }
+
 	return stat;
 }
 
@@ -1753,9 +1805,7 @@ static int mvs_slot_err(struct mvs_info *mvi, struct sas_task *task,
 			mv_printk("find reserved error, why?\n");
 
 		task->ata_task.use_ncq = 0;
-		stat = SAS_PROTO_RESPONSE;
-		mvs_sata_done(mvi, task, slot_idx, 1);
-
+		mvs_sata_done(mvi, task, slot_idx, err_dw0);
 	}
 		break;
 	default:
@@ -1772,18 +1822,20 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
 	struct sas_task *task = slot->task;
 	struct mvs_device *mvi_dev = NULL;
 	struct task_status_struct *tstat;
+	struct domain_device *dev;
+	u32 aborted;
 
-	bool aborted;
 	void *to;
 	enum exec_status sts;
 
 	if (mvi->exp_req)
 		mvi->exp_req--;
-	if (unlikely(!task || !task->lldd_task))
+	if (unlikely(!task || !task->lldd_task || !task->dev))
 		return -1;
 
 	tstat = &task->task_status;
-	mvi_dev = task->dev->lldd_dev;
+	dev = task->dev;
+	mvi_dev = dev->lldd_dev;
 
 	mvs_hba_cq_dump(mvi);
 
@@ -1800,8 +1852,8 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
 
 	if (unlikely(aborted)) {
 		tstat->stat = SAS_ABORTED_TASK;
-		if (mvi_dev)
-			mvi_dev->runing_req--;
+		if (mvi_dev && mvi_dev->running_req)
+			mvi_dev->running_req--;
 		if (sas_protocol_ata(task->task_proto))
 			mvs_free_reg_set(mvi, mvi_dev);
 
@@ -1809,24 +1861,17 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
 		return -1;
 	}
 
-	if (unlikely(!mvi_dev || !slot->port->port_attached || flags)) {
-		mv_dprintk("port has not device.\n");
+	if (unlikely(!mvi_dev || flags)) {
+		if (!mvi_dev)
+			mv_dprintk("port has not device.\n");
 		tstat->stat = SAS_PHY_DOWN;
 		goto out;
 	}
 
-	/*
-	if (unlikely((rx_desc & RXQ_ERR) || (*(u64 *) slot->response))) {
-		 mv_dprintk("Find device[%016llx] RXQ_ERR %X,
-		 err info:%016llx\n",
-		 SAS_ADDR(task->dev->sas_addr),
-		 rx_desc, (u64)(*(u64 *) slot->response));
-	}
-	*/
-
 	/* error info record present */
 	if (unlikely((rx_desc & RXQ_ERR) && (*(u64 *) slot->response))) {
 		tstat->stat = mvs_slot_err(mvi, task, slot_idx);
+		tstat->resp = SAS_TASK_COMPLETE;
 		goto out;
 	}
 
@@ -1868,11 +1913,16 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
 		tstat->stat = SAM_CHECK_COND;
 		break;
 	}
+	if (!slot->port->port_attached) {
+		mv_dprintk("port %d has removed.\n", slot->port->sas_port.id);
+		tstat->stat = SAS_PHY_DOWN;
+	}
+
 
 out:
-	if (mvi_dev) {
-		mvi_dev->runing_req--;
-		if (sas_protocol_ata(task->task_proto))
+	if (mvi_dev && mvi_dev->running_req) {
+		mvi_dev->running_req--;
+		if (sas_protocol_ata(task->task_proto) && !mvi_dev->running_req)
 			mvs_free_reg_set(mvi, mvi_dev);
 	}
 	mvs_slot_task_free(mvi, task, slot, slot_idx);
@@ -1888,10 +1938,10 @@ out:
 	return sts;
 }
 
-void mvs_release_task(struct mvs_info *mvi,
+void mvs_do_release_task(struct mvs_info *mvi,
 		int phy_no, struct domain_device *dev)
 {
-	int i = 0; u32 slot_idx;
+	u32 slot_idx;
 	struct mvs_phy *phy;
 	struct mvs_port *port;
 	struct mvs_slot_info *slot, *slot2;
@@ -1900,6 +1950,10 @@ void mvs_release_task(struct mvs_info *mvi,
 	port = phy->port;
 	if (!port)
 		return;
+	/* clean cmpl queue in case request is already finished */
+	mvs_int_rx(mvi, false);
+
+
 
 	list_for_each_entry_safe(slot, slot2, &port->list, entry) {
 		struct sas_task *task;
@@ -1911,18 +1965,22 @@ void mvs_release_task(struct mvs_info *mvi,
 
 		mv_printk("Release slot [%x] tag[%x], task [%p]:\n",
 			slot_idx, slot->slot_tag, task);
-
-		if (task->task_proto & SAS_PROTOCOL_SSP) {
-			mv_printk("attached with SSP task CDB[");
-			for (i = 0; i < 16; i++)
-				mv_printk(" %02x", task->ssp_task.cdb[i]);
-			mv_printk(" ]\n");
-		}
+		MVS_CHIP_DISP->command_active(mvi, slot_idx);
 
 		mvs_slot_complete(mvi, slot_idx, 1);
 	}
 }
 
+void mvs_release_task(struct mvs_info *mvi,
+		      struct domain_device *dev)
+{
+	int i, phyno[WIDE_PORT_MAX_PHY], num;
+	/* housekeeper */
+	num = mvs_find_dev_phyno(dev, phyno);
+	for (i = 0; i < num; i++)
+		mvs_do_release_task(mvi, phyno[i], dev);
+}
+
 static void mvs_phy_disconnected(struct mvs_phy *phy)
 {
 	phy->phy_attached = 0;
@@ -2029,16 +2087,18 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events)
 	* we need check the interrupt status which belongs to per port.
 	*/
 
-	if (phy->irq_status & PHYEV_DCDR_ERR)
+	if (phy->irq_status & PHYEV_DCDR_ERR) {
 		mv_dprintk("port %d STP decoding error.\n",
-		phy_no+mvi->id*mvi->chip->n_phy);
+		phy_no + mvi->id*mvi->chip->n_phy);
+	}
 
 	if (phy->irq_status & PHYEV_POOF) {
 		if (!(phy->phy_event & PHY_PLUG_OUT)) {
 			int dev_sata = phy->phy_type & PORT_TYPE_SATA;
 			int ready;
-			mvs_release_task(mvi, phy_no, NULL);
+			mvs_do_release_task(mvi, phy_no, NULL);
 			phy->phy_event |= PHY_PLUG_OUT;
+			MVS_CHIP_DISP->clear_srs_irq(mvi, 0, 1);
 			mvs_handle_event(mvi,
 				(void *)(unsigned long)phy_no,
 				PHY_PLUG_EVENT);
@@ -2085,6 +2145,11 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events)
 							phy_no, tmp);
 			}
 			mvs_update_phyinfo(mvi, phy_no, 0);
+			if (phy->phy_type & PORT_TYPE_SAS) {
+				MVS_CHIP_DISP->phy_reset(mvi, phy_no, 2);
+				mdelay(10);
+			}
+
 			mvs_bytes_dmaed(mvi, phy_no);
 			/* whether driver is going to handle hot plug */
 			if (phy->phy_event & PHY_PLUG_OUT) {
diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h
index 885858bcc40..77ddc7c1e5f 100644
--- a/drivers/scsi/mvsas/mv_sas.h
+++ b/drivers/scsi/mvsas/mv_sas.h
@@ -39,6 +39,7 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <scsi/libsas.h>
+#include <scsi/scsi.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/sas_ata.h>
 #include <linux/version.h>
@@ -49,7 +50,7 @@
 #define _MV_DUMP		0
 #define MVS_ID_NOT_MAPPED	0x7f
 /* #define DISABLE_HOTPLUG_DMA_FIX */
-#define MAX_EXP_RUNNING_REQ	2
+// #define MAX_EXP_RUNNING_REQ	2
 #define WIDE_PORT_MAX_PHY		4
 #define	MV_DISABLE_NCQ	0
 #define mv_printk(fmt, arg ...)	\
@@ -129,6 +130,7 @@ struct mvs_dispatch {
 
 	void (*get_sas_addr)(void *buf, u32 buflen);
 	void (*command_active)(struct mvs_info *mvi, u32 slot_idx);
+	void (*clear_srs_irq)(struct mvs_info *mvi, u8 reg_set, u8 clear_all);
 	void (*issue_stop)(struct mvs_info *mvi, enum mvs_port_type type,
 				u32 tfs);
 	void (*start_delivery)(struct mvs_info *mvi, u32 tx);
@@ -236,9 +238,10 @@ struct mvs_device {
 	enum sas_dev_type dev_type;
 	struct mvs_info *mvi_info;
 	struct domain_device *sas_device;
+	struct timer_list timer;
 	u32 attached_phy;
 	u32 device_id;
-	u32 runing_req;
+	u32 running_req;
 	u8 taskfileset;
 	u8 dev_status;
 	u16 reserved;
@@ -397,7 +400,9 @@ int mvs_lu_reset(struct domain_device *dev, u8 *lun);
 int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags);
 int mvs_I_T_nexus_reset(struct domain_device *dev);
 int mvs_query_task(struct sas_task *task);
-void mvs_release_task(struct mvs_info *mvi, int phy_no,
+void mvs_release_task(struct mvs_info *mvi,
+			struct domain_device *dev);
+void mvs_do_release_task(struct mvs_info *mvi, int phy_no,
 			struct domain_device *dev);
 void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events);
 void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st);

From 6443170f6d862a1cc89e61e4bb2410b714b875f4 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 2 Apr 2010 15:24:27 -0700
Subject: [PATCH 0394/3638] drm/i915: Remove dead KMS encoder save/restore
 code.

This was brought over from UMS, and used for a while until we decided
that drm_helper_resume_force_mode was easier and more reliable, since
it didn't require duplicating all the code deleted here.  We just
forgot to delete all that junk for a while.
---
 drivers/gpu/drm/i915/dvo.h        |  10 --
 drivers/gpu/drm/i915/dvo_ch7017.c |  46 +--------
 drivers/gpu/drm/i915/dvo_ch7xxx.c |  44 +-------
 drivers/gpu/drm/i915/dvo_ivch.c   |  21 ----
 drivers/gpu/drm/i915/dvo_sil164.c |  38 -------
 drivers/gpu/drm/i915/dvo_tfp410.c |  32 ------
 drivers/gpu/drm/i915/intel_dp.c   |  30 ------
 drivers/gpu/drm/i915/intel_dvo.c  |  31 ------
 drivers/gpu/drm/i915/intel_hdmi.c |  24 -----
 drivers/gpu/drm/i915/intel_lvds.c |  71 -------------
 drivers/gpu/drm/i915/intel_sdvo.c | 161 ------------------------------
 drivers/gpu/drm/i915/intel_tv.c   | 139 --------------------------
 12 files changed, 4 insertions(+), 643 deletions(-)

diff --git a/drivers/gpu/drm/i915/dvo.h b/drivers/gpu/drm/i915/dvo.h
index 288fc50627e..0d6ff640e1c 100644
--- a/drivers/gpu/drm/i915/dvo.h
+++ b/drivers/gpu/drm/i915/dvo.h
@@ -69,16 +69,6 @@ struct intel_dvo_dev_ops {
 	 */
 	void (*dpms)(struct intel_dvo_device *dvo, int mode);
 
-	/*
-	 * Saves the output's state for restoration on VT switch.
-	 */
-	void (*save)(struct intel_dvo_device *dvo);
-
-	/*
-	 * Restore's the output's state at VT switch.
-	 */
-	void (*restore)(struct intel_dvo_device *dvo);
-
 	/*
 	 * Callback for testing a video mode for a given output.
 	 *
diff --git a/drivers/gpu/drm/i915/dvo_ch7017.c b/drivers/gpu/drm/i915/dvo_ch7017.c
index 1184c14ba87..14d59804acd 100644
--- a/drivers/gpu/drm/i915/dvo_ch7017.c
+++ b/drivers/gpu/drm/i915/dvo_ch7017.c
@@ -159,16 +159,7 @@
 #define CH7017_BANG_LIMIT_CONTROL	0x7f
 
 struct ch7017_priv {
-	uint8_t save_hapi;
-	uint8_t save_vali;
-	uint8_t save_valo;
-	uint8_t save_ailo;
-	uint8_t save_lvds_pll_vco;
-	uint8_t save_feedback_div;
-	uint8_t save_lvds_control_2;
-	uint8_t save_outputs_enable;
-	uint8_t save_lvds_power_down;
-	uint8_t save_power_management;
+	uint8_t dummy;
 };
 
 static void ch7017_dump_regs(struct intel_dvo_device *dvo);
@@ -401,39 +392,6 @@ do {							\
 	DUMP(CH7017_LVDS_POWER_DOWN);
 }
 
-static void ch7017_save(struct intel_dvo_device *dvo)
-{
-	struct ch7017_priv *priv = dvo->dev_priv;
-
-	ch7017_read(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT, &priv->save_hapi);
-	ch7017_read(dvo, CH7017_VERTICAL_ACTIVE_LINE_OUTPUT, &priv->save_valo);
-	ch7017_read(dvo, CH7017_ACTIVE_INPUT_LINE_OUTPUT, &priv->save_ailo);
-	ch7017_read(dvo, CH7017_LVDS_PLL_VCO_CONTROL, &priv->save_lvds_pll_vco);
-	ch7017_read(dvo, CH7017_LVDS_PLL_FEEDBACK_DIV, &priv->save_feedback_div);
-	ch7017_read(dvo, CH7017_LVDS_CONTROL_2, &priv->save_lvds_control_2);
-	ch7017_read(dvo, CH7017_OUTPUTS_ENABLE, &priv->save_outputs_enable);
-	ch7017_read(dvo, CH7017_LVDS_POWER_DOWN, &priv->save_lvds_power_down);
-	ch7017_read(dvo, CH7017_POWER_MANAGEMENT, &priv->save_power_management);
-}
-
-static void ch7017_restore(struct intel_dvo_device *dvo)
-{
-	struct ch7017_priv *priv = dvo->dev_priv;
-
-	/* Power down before changing mode */
-	ch7017_dpms(dvo, DRM_MODE_DPMS_OFF);
-
-	ch7017_write(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT, priv->save_hapi);
-	ch7017_write(dvo, CH7017_VERTICAL_ACTIVE_LINE_OUTPUT, priv->save_valo);
-	ch7017_write(dvo, CH7017_ACTIVE_INPUT_LINE_OUTPUT, priv->save_ailo);
-	ch7017_write(dvo, CH7017_LVDS_PLL_VCO_CONTROL, priv->save_lvds_pll_vco);
-	ch7017_write(dvo, CH7017_LVDS_PLL_FEEDBACK_DIV, priv->save_feedback_div);
-	ch7017_write(dvo, CH7017_LVDS_CONTROL_2, priv->save_lvds_control_2);
-	ch7017_write(dvo, CH7017_OUTPUTS_ENABLE, priv->save_outputs_enable);
-	ch7017_write(dvo, CH7017_LVDS_POWER_DOWN, priv->save_lvds_power_down);
-	ch7017_write(dvo, CH7017_POWER_MANAGEMENT, priv->save_power_management);
-}
-
 static void ch7017_destroy(struct intel_dvo_device *dvo)
 {
 	struct ch7017_priv *priv = dvo->dev_priv;
@@ -451,7 +409,5 @@ struct intel_dvo_dev_ops ch7017_ops = {
 	.mode_set = ch7017_mode_set,
 	.dpms = ch7017_dpms,
 	.dump_regs = ch7017_dump_regs,
-	.save = ch7017_save,
-	.restore = ch7017_restore,
 	.destroy = ch7017_destroy,
 };
diff --git a/drivers/gpu/drm/i915/dvo_ch7xxx.c b/drivers/gpu/drm/i915/dvo_ch7xxx.c
index d56ff5cc22b..6f1944b2444 100644
--- a/drivers/gpu/drm/i915/dvo_ch7xxx.c
+++ b/drivers/gpu/drm/i915/dvo_ch7xxx.c
@@ -92,21 +92,10 @@ static struct ch7xxx_id_struct {
 	{ CH7301_VID, "CH7301" },
 };
 
-struct ch7xxx_reg_state {
-    uint8_t regs[CH7xxx_NUM_REGS];
-};
-
 struct ch7xxx_priv {
 	bool quiet;
-
-	struct ch7xxx_reg_state save_reg;
-	struct ch7xxx_reg_state mode_reg;
-	uint8_t save_TCTL, save_TPCP, save_TPD, save_TPVT;
-	uint8_t save_TLPF, save_TCT, save_PM, save_IDF;
 };
 
-static void ch7xxx_save(struct intel_dvo_device *dvo);
-
 static char *ch7xxx_get_id(uint8_t vid)
 {
 	int i;
@@ -312,42 +301,17 @@ static void ch7xxx_dpms(struct intel_dvo_device *dvo, int mode)
 
 static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)
 {
-	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
 	int i;
 
 	for (i = 0; i < CH7xxx_NUM_REGS; i++) {
+		uint8_t val;
 		if ((i % 8) == 0 )
 			DRM_LOG_KMS("\n %02X: ", i);
-		DRM_LOG_KMS("%02X ", ch7xxx->mode_reg.regs[i]);
+		ch7xxx_readb(dvo, i, &val);
+		DRM_LOG_KMS("%02X ", val);
 	}
 }
 
-static void ch7xxx_save(struct intel_dvo_device *dvo)
-{
-	struct ch7xxx_priv *ch7xxx= dvo->dev_priv;
-
-	ch7xxx_readb(dvo, CH7xxx_TCTL, &ch7xxx->save_TCTL);
-	ch7xxx_readb(dvo, CH7xxx_TPCP, &ch7xxx->save_TPCP);
-	ch7xxx_readb(dvo, CH7xxx_TPD, &ch7xxx->save_TPD);
-	ch7xxx_readb(dvo, CH7xxx_TPVT, &ch7xxx->save_TPVT);
-	ch7xxx_readb(dvo, CH7xxx_TLPF, &ch7xxx->save_TLPF);
-	ch7xxx_readb(dvo, CH7xxx_PM, &ch7xxx->save_PM);
-	ch7xxx_readb(dvo, CH7xxx_IDF, &ch7xxx->save_IDF);
-}
-
-static void ch7xxx_restore(struct intel_dvo_device *dvo)
-{
-	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
-
-	ch7xxx_writeb(dvo, CH7xxx_TCTL, ch7xxx->save_TCTL);
-	ch7xxx_writeb(dvo, CH7xxx_TPCP, ch7xxx->save_TPCP);
-	ch7xxx_writeb(dvo, CH7xxx_TPD, ch7xxx->save_TPD);
-	ch7xxx_writeb(dvo, CH7xxx_TPVT, ch7xxx->save_TPVT);
-	ch7xxx_writeb(dvo, CH7xxx_TLPF, ch7xxx->save_TLPF);
-	ch7xxx_writeb(dvo, CH7xxx_IDF, ch7xxx->save_IDF);
-	ch7xxx_writeb(dvo, CH7xxx_PM, ch7xxx->save_PM);
-}
-
 static void ch7xxx_destroy(struct intel_dvo_device *dvo)
 {
 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
@@ -365,7 +329,5 @@ struct intel_dvo_dev_ops ch7xxx_ops = {
 	.mode_set = ch7xxx_mode_set,
 	.dpms = ch7xxx_dpms,
 	.dump_regs = ch7xxx_dump_regs,
-	.save = ch7xxx_save,
-	.restore = ch7xxx_restore,
 	.destroy = ch7xxx_destroy,
 };
diff --git a/drivers/gpu/drm/i915/dvo_ivch.c b/drivers/gpu/drm/i915/dvo_ivch.c
index 24169e528f0..a2ec3f48720 100644
--- a/drivers/gpu/drm/i915/dvo_ivch.c
+++ b/drivers/gpu/drm/i915/dvo_ivch.c
@@ -153,9 +153,6 @@ struct ivch_priv {
 	bool quiet;
 
 	uint16_t width, height;
-
-	uint16_t save_VR01;
-	uint16_t save_VR40;
 };
 
 
@@ -405,22 +402,6 @@ static void ivch_dump_regs(struct intel_dvo_device *dvo)
 	DRM_LOG_KMS("VR8F: 0x%04x\n", val);
 }
 
-static void ivch_save(struct intel_dvo_device *dvo)
-{
-	struct ivch_priv *priv = dvo->dev_priv;
-
-	ivch_read(dvo, VR01, &priv->save_VR01);
-	ivch_read(dvo, VR40, &priv->save_VR40);
-}
-
-static void ivch_restore(struct intel_dvo_device *dvo)
-{
-	struct ivch_priv *priv = dvo->dev_priv;
-
-	ivch_write(dvo, VR01, priv->save_VR01);
-	ivch_write(dvo, VR40, priv->save_VR40);
-}
-
 static void ivch_destroy(struct intel_dvo_device *dvo)
 {
 	struct ivch_priv *priv = dvo->dev_priv;
@@ -434,8 +415,6 @@ static void ivch_destroy(struct intel_dvo_device *dvo)
 struct intel_dvo_dev_ops ivch_ops= {
 	.init = ivch_init,
 	.dpms = ivch_dpms,
-	.save = ivch_save,
-	.restore = ivch_restore,
 	.mode_valid = ivch_mode_valid,
 	.mode_set = ivch_mode_set,
 	.detect = ivch_detect,
diff --git a/drivers/gpu/drm/i915/dvo_sil164.c b/drivers/gpu/drm/i915/dvo_sil164.c
index 0001c13f0a8..9b8e6765cf2 100644
--- a/drivers/gpu/drm/i915/dvo_sil164.c
+++ b/drivers/gpu/drm/i915/dvo_sil164.c
@@ -58,17 +58,9 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #define SIL164_REGC 0x0c
 
-struct sil164_save_rec {
-	uint8_t reg8;
-	uint8_t reg9;
-	uint8_t regc;
-};
-
 struct sil164_priv {
 	//I2CDevRec d;
 	bool quiet;
-	struct sil164_save_rec save_regs;
-	struct sil164_save_rec mode_regs;
 };
 
 #define SILPTR(d) ((SIL164Ptr)(d->DriverPrivate.ptr))
@@ -252,34 +244,6 @@ static void sil164_dump_regs(struct intel_dvo_device *dvo)
 	DRM_LOG_KMS("SIL164_REGC: 0x%02x\n", val);
 }
 
-static void sil164_save(struct intel_dvo_device *dvo)
-{
-	struct sil164_priv *sil= dvo->dev_priv;
-
-	if (!sil164_readb(dvo, SIL164_REG8, &sil->save_regs.reg8))
-		return;
-
-	if (!sil164_readb(dvo, SIL164_REG9, &sil->save_regs.reg9))
-		return;
-
-	if (!sil164_readb(dvo, SIL164_REGC, &sil->save_regs.regc))
-		return;
-
-	return;
-}
-
-static void sil164_restore(struct intel_dvo_device *dvo)
-{
-	struct sil164_priv *sil = dvo->dev_priv;
-
-	/* Restore it powered down initially */
-	sil164_writeb(dvo, SIL164_REG8, sil->save_regs.reg8 & ~0x1);
-
-	sil164_writeb(dvo, SIL164_REG9, sil->save_regs.reg9);
-	sil164_writeb(dvo, SIL164_REGC, sil->save_regs.regc);
-	sil164_writeb(dvo, SIL164_REG8, sil->save_regs.reg8);
-}
-
 static void sil164_destroy(struct intel_dvo_device *dvo)
 {
 	struct sil164_priv *sil = dvo->dev_priv;
@@ -297,7 +261,5 @@ struct intel_dvo_dev_ops sil164_ops = {
 	.mode_set = sil164_mode_set,
 	.dpms = sil164_dpms,
 	.dump_regs = sil164_dump_regs,
-	.save = sil164_save,
-	.restore = sil164_restore,
 	.destroy = sil164_destroy,
 };
diff --git a/drivers/gpu/drm/i915/dvo_tfp410.c b/drivers/gpu/drm/i915/dvo_tfp410.c
index c7c391bc116..66c697bc9b2 100644
--- a/drivers/gpu/drm/i915/dvo_tfp410.c
+++ b/drivers/gpu/drm/i915/dvo_tfp410.c
@@ -86,16 +86,8 @@
 #define TFP410_V_RES_LO		0x3C
 #define TFP410_V_RES_HI		0x3D
 
-struct tfp410_save_rec {
-	uint8_t ctl1;
-	uint8_t ctl2;
-};
-
 struct tfp410_priv {
 	bool quiet;
-
-	struct tfp410_save_rec saved_reg;
-	struct tfp410_save_rec mode_reg;
 };
 
 static bool tfp410_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
@@ -293,28 +285,6 @@ static void tfp410_dump_regs(struct intel_dvo_device *dvo)
 	DRM_LOG_KMS("TFP410_V_RES: 0x%02X%02X\n", val2, val);
 }
 
-static void tfp410_save(struct intel_dvo_device *dvo)
-{
-	struct tfp410_priv *tfp = dvo->dev_priv;
-
-	if (!tfp410_readb(dvo, TFP410_CTL_1, &tfp->saved_reg.ctl1))
-		return;
-
-	if (!tfp410_readb(dvo, TFP410_CTL_2, &tfp->saved_reg.ctl2))
-		return;
-}
-
-static void tfp410_restore(struct intel_dvo_device *dvo)
-{
-	struct tfp410_priv *tfp = dvo->dev_priv;
-
-	/* Restore it powered down initially */
-	tfp410_writeb(dvo, TFP410_CTL_1, tfp->saved_reg.ctl1 & ~0x1);
-
-	tfp410_writeb(dvo, TFP410_CTL_2, tfp->saved_reg.ctl2);
-	tfp410_writeb(dvo, TFP410_CTL_1, tfp->saved_reg.ctl1);
-}
-
 static void tfp410_destroy(struct intel_dvo_device *dvo)
 {
 	struct tfp410_priv *tfp = dvo->dev_priv;
@@ -332,7 +302,5 @@ struct intel_dvo_dev_ops tfp410_ops = {
 	.mode_set = tfp410_mode_set,
 	.dpms = tfp410_dpms,
 	.dump_regs = tfp410_dump_regs,
-	.save = tfp410_save,
-	.restore = tfp410_restore,
 	.destroy = tfp410_destroy,
 };
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 6064fd70a42..8f2dd65abac 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -47,8 +47,6 @@ struct intel_dp_priv {
 	uint32_t output_reg;
 	uint32_t DP;
 	uint8_t  link_configuration[DP_LINK_CONFIGURATION_SIZE];
-	uint32_t save_DP;
-	uint8_t  save_link_configuration[DP_LINK_CONFIGURATION_SIZE];
 	bool has_audio;
 	int dpms_mode;
 	uint8_t link_bw;
@@ -748,20 +746,6 @@ intel_dp_link_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
 	return link_status[r - DP_LANE0_1_STATUS];
 }
 
-static void
-intel_dp_save(struct drm_connector *connector)
-{
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct drm_device *dev = intel_encoder->base.dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
-
-	dp_priv->save_DP = I915_READ(dp_priv->output_reg);
-	intel_dp_aux_native_read(intel_encoder, DP_LINK_BW_SET,
-				 dp_priv->save_link_configuration,
-				 sizeof (dp_priv->save_link_configuration));
-}
-
 static uint8_t
 intel_get_adjust_request_voltage(uint8_t link_status[DP_LINK_STATUS_SIZE],
 				 int lane)
@@ -1101,18 +1085,6 @@ intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP)
 	POSTING_READ(dp_priv->output_reg);
 }
 
-static void
-intel_dp_restore(struct drm_connector *connector)
-{
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
-
-	if (dp_priv->save_DP & DP_PORT_EN)
-		intel_dp_link_train(intel_encoder, dp_priv->save_DP, dp_priv->save_link_configuration);
-	else
-		intel_dp_link_down(intel_encoder,  dp_priv->save_DP);
-}
-
 /*
  * According to DP spec
  * 5.1.2:
@@ -1267,8 +1239,6 @@ static const struct drm_encoder_helper_funcs intel_dp_helper_funcs = {
 
 static const struct drm_connector_funcs intel_dp_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
-	.save = intel_dp_save,
-	.restore = intel_dp_restore,
 	.detect = intel_dp_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.destroy = intel_dp_destroy,
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index a3e6efa38c7..1bf6697061b 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -95,35 +95,6 @@ static void intel_dvo_dpms(struct drm_encoder *encoder, int mode)
 	}
 }
 
-static void intel_dvo_save(struct drm_connector *connector)
-{
-	struct drm_i915_private *dev_priv = connector->dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
-
-	/* Each output should probably just save the registers it touches,
-	 * but for now, use more overkill.
-	 */
-	dev_priv->saveDVOA = I915_READ(DVOA);
-	dev_priv->saveDVOB = I915_READ(DVOB);
-	dev_priv->saveDVOC = I915_READ(DVOC);
-
-	dvo->dev_ops->save(dvo);
-}
-
-static void intel_dvo_restore(struct drm_connector *connector)
-{
-	struct drm_i915_private *dev_priv = connector->dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
-
-	dvo->dev_ops->restore(dvo);
-
-	I915_WRITE(DVOA, dev_priv->saveDVOA);
-	I915_WRITE(DVOB, dev_priv->saveDVOB);
-	I915_WRITE(DVOC, dev_priv->saveDVOC);
-}
-
 static int intel_dvo_mode_valid(struct drm_connector *connector,
 				struct drm_display_mode *mode)
 {
@@ -317,8 +288,6 @@ static const struct drm_encoder_helper_funcs intel_dvo_helper_funcs = {
 
 static const struct drm_connector_funcs intel_dvo_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
-	.save = intel_dvo_save,
-	.restore = intel_dvo_restore,
 	.detect = intel_dvo_detect,
 	.destroy = intel_dvo_destroy,
 	.fill_modes = drm_helper_probe_single_connector_modes,
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 74823e77b2f..78cb775be4d 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -38,7 +38,6 @@
 
 struct intel_hdmi_priv {
 	u32 sdvox_reg;
-	u32 save_SDVOX;
 	bool has_hdmi_sink;
 };
 
@@ -105,27 +104,6 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
 	}
 }
 
-static void intel_hdmi_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_hdmi_priv *hdmi_priv = intel_encoder->dev_priv;
-
-	hdmi_priv->save_SDVOX = I915_READ(hdmi_priv->sdvox_reg);
-}
-
-static void intel_hdmi_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_hdmi_priv *hdmi_priv = intel_encoder->dev_priv;
-
-	I915_WRITE(hdmi_priv->sdvox_reg, hdmi_priv->save_SDVOX);
-	POSTING_READ(hdmi_priv->sdvox_reg);
-}
-
 static int intel_hdmi_mode_valid(struct drm_connector *connector,
 				 struct drm_display_mode *mode)
 {
@@ -203,8 +181,6 @@ static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
 
 static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
-	.save = intel_hdmi_save,
-	.restore = intel_hdmi_restore,
 	.detect = intel_hdmi_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.destroy = intel_hdmi_destroy,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index a3b82081e1a..bc0ab7d57db 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -138,75 +138,6 @@ static void intel_lvds_dpms(struct drm_encoder *encoder, int mode)
 	/* XXX: We never power down the LVDS pairs. */
 }
 
-static void intel_lvds_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
-	u32 pwm_ctl_reg;
-
-	if (HAS_PCH_SPLIT(dev)) {
-		pp_on_reg = PCH_PP_ON_DELAYS;
-		pp_off_reg = PCH_PP_OFF_DELAYS;
-		pp_ctl_reg = PCH_PP_CONTROL;
-		pp_div_reg = PCH_PP_DIVISOR;
-		pwm_ctl_reg = BLC_PWM_CPU_CTL;
-	} else {
-		pp_on_reg = PP_ON_DELAYS;
-		pp_off_reg = PP_OFF_DELAYS;
-		pp_ctl_reg = PP_CONTROL;
-		pp_div_reg = PP_DIVISOR;
-		pwm_ctl_reg = BLC_PWM_CTL;
-	}
-
-	dev_priv->savePP_ON = I915_READ(pp_on_reg);
-	dev_priv->savePP_OFF = I915_READ(pp_off_reg);
-	dev_priv->savePP_CONTROL = I915_READ(pp_ctl_reg);
-	dev_priv->savePP_DIVISOR = I915_READ(pp_div_reg);
-	dev_priv->saveBLC_PWM_CTL = I915_READ(pwm_ctl_reg);
-	dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
-				       BACKLIGHT_DUTY_CYCLE_MASK);
-
-	/*
-	 * If the light is off at server startup, just make it full brightness
-	 */
-	if (dev_priv->backlight_duty_cycle == 0)
-		dev_priv->backlight_duty_cycle =
-			intel_lvds_get_max_backlight(dev);
-}
-
-static void intel_lvds_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
-	u32 pwm_ctl_reg;
-
-	if (HAS_PCH_SPLIT(dev)) {
-		pp_on_reg = PCH_PP_ON_DELAYS;
-		pp_off_reg = PCH_PP_OFF_DELAYS;
-		pp_ctl_reg = PCH_PP_CONTROL;
-		pp_div_reg = PCH_PP_DIVISOR;
-		pwm_ctl_reg = BLC_PWM_CPU_CTL;
-	} else {
-		pp_on_reg = PP_ON_DELAYS;
-		pp_off_reg = PP_OFF_DELAYS;
-		pp_ctl_reg = PP_CONTROL;
-		pp_div_reg = PP_DIVISOR;
-		pwm_ctl_reg = BLC_PWM_CTL;
-	}
-
-	I915_WRITE(pwm_ctl_reg, dev_priv->saveBLC_PWM_CTL);
-	I915_WRITE(pp_on_reg, dev_priv->savePP_ON);
-	I915_WRITE(pp_off_reg, dev_priv->savePP_OFF);
-	I915_WRITE(pp_div_reg, dev_priv->savePP_DIVISOR);
-	I915_WRITE(pp_ctl_reg, dev_priv->savePP_CONTROL);
-	if (dev_priv->savePP_CONTROL & POWER_TARGET_ON)
-		intel_lvds_set_power(dev, true);
-	else
-		intel_lvds_set_power(dev, false);
-}
-
 static int intel_lvds_mode_valid(struct drm_connector *connector,
 				 struct drm_display_mode *mode)
 {
@@ -778,8 +709,6 @@ static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs
 
 static const struct drm_connector_funcs intel_lvds_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
-	.save = intel_lvds_save,
-	.restore = intel_lvds_restore,
 	.detect = intel_lvds_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_lvds_set_property,
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 097819c51a1..5534704c151 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -129,11 +129,6 @@ struct intel_sdvo_priv {
 	/* Mac mini hack -- use the same DDC as the analog connector */
 	struct i2c_adapter *analog_ddc_bus;
 
-	int save_sdvo_mult;
-	u16 save_active_outputs;
-	struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
-	struct intel_sdvo_dtd save_output_dtd[16];
-	u32 save_SDVOX;
 	/* add the property for the SDVO-TV */
 	struct drm_property *left_property;
 	struct drm_property *right_property;
@@ -562,17 +557,6 @@ static bool intel_sdvo_get_trained_inputs(struct intel_encoder *intel_encoder, b
 	return true;
 }
 
-static bool intel_sdvo_get_active_outputs(struct intel_encoder *intel_encoder,
-					  u16 *outputs)
-{
-	u8 status;
-
-	intel_sdvo_write_cmd(intel_encoder, SDVO_CMD_GET_ACTIVE_OUTPUTS, NULL, 0);
-	status = intel_sdvo_read_response(intel_encoder, outputs, sizeof(*outputs));
-
-	return (status == SDVO_CMD_STATUS_SUCCESS);
-}
-
 static bool intel_sdvo_set_active_outputs(struct intel_encoder *intel_encoder,
 					  u16 outputs)
 {
@@ -645,40 +629,6 @@ static bool intel_sdvo_set_target_output(struct intel_encoder *intel_encoder,
 	return (status == SDVO_CMD_STATUS_SUCCESS);
 }
 
-static bool intel_sdvo_get_timing(struct intel_encoder *intel_encoder, u8 cmd,
-				  struct intel_sdvo_dtd *dtd)
-{
-	u8 status;
-
-	intel_sdvo_write_cmd(intel_encoder, cmd, NULL, 0);
-	status = intel_sdvo_read_response(intel_encoder, &dtd->part1,
-					  sizeof(dtd->part1));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	intel_sdvo_write_cmd(intel_encoder, cmd + 1, NULL, 0);
-	status = intel_sdvo_read_response(intel_encoder, &dtd->part2,
-					  sizeof(dtd->part2));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-static bool intel_sdvo_get_input_timing(struct intel_encoder *intel_encoder,
-					 struct intel_sdvo_dtd *dtd)
-{
-	return intel_sdvo_get_timing(intel_encoder,
-				     SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
-}
-
-static bool intel_sdvo_get_output_timing(struct intel_encoder *intel_encoder,
-					 struct intel_sdvo_dtd *dtd)
-{
-	return intel_sdvo_get_timing(intel_encoder,
-				     SDVO_CMD_GET_OUTPUT_TIMINGS_PART1, dtd);
-}
-
 static bool intel_sdvo_set_timing(struct intel_encoder *intel_encoder, u8 cmd,
 				  struct intel_sdvo_dtd *dtd)
 {
@@ -766,23 +716,6 @@ static bool intel_sdvo_get_preferred_input_timing(struct intel_encoder *intel_en
 	return false;
 }
 
-static int intel_sdvo_get_clock_rate_mult(struct intel_encoder *intel_encoder)
-{
-	u8 response, status;
-
-	intel_sdvo_write_cmd(intel_encoder, SDVO_CMD_GET_CLOCK_RATE_MULT, NULL, 0);
-	status = intel_sdvo_read_response(intel_encoder, &response, 1);
-
-	if (status != SDVO_CMD_STATUS_SUCCESS) {
-		DRM_DEBUG_KMS("Couldn't get SDVO clock rate multiplier\n");
-		return SDVO_CLOCK_RATE_MULT_1X;
-	} else {
-		DRM_DEBUG_KMS("Current clock rate multiplier: %d\n", response);
-	}
-
-	return response;
-}
-
 static bool intel_sdvo_set_clock_rate_mult(struct intel_encoder *intel_encoder, u8 val)
 {
 	u8 status;
@@ -1356,98 +1289,6 @@ static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
 	return;
 }
 
-static void intel_sdvo_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
-	int o;
-
-	sdvo_priv->save_sdvo_mult = intel_sdvo_get_clock_rate_mult(intel_encoder);
-	intel_sdvo_get_active_outputs(intel_encoder, &sdvo_priv->save_active_outputs);
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
-		intel_sdvo_set_target_input(intel_encoder, true, false);
-		intel_sdvo_get_input_timing(intel_encoder,
-					    &sdvo_priv->save_input_dtd_1);
-	}
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
-		intel_sdvo_set_target_input(intel_encoder, false, true);
-		intel_sdvo_get_input_timing(intel_encoder,
-					    &sdvo_priv->save_input_dtd_2);
-	}
-
-	for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
-	{
-	        u16  this_output = (1 << o);
-		if (sdvo_priv->caps.output_flags & this_output)
-		{
-			intel_sdvo_set_target_output(intel_encoder, this_output);
-			intel_sdvo_get_output_timing(intel_encoder,
-						     &sdvo_priv->save_output_dtd[o]);
-		}
-	}
-	if (sdvo_priv->is_tv) {
-		/* XXX: Save TV format/enhancements. */
-	}
-
-	sdvo_priv->save_SDVOX = I915_READ(sdvo_priv->sdvo_reg);
-}
-
-static void intel_sdvo_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
-	int o;
-	int i;
-	bool input1, input2;
-	u8 status;
-
-	intel_sdvo_set_active_outputs(intel_encoder, 0);
-
-	for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
-	{
-		u16  this_output = (1 << o);
-		if (sdvo_priv->caps.output_flags & this_output) {
-			intel_sdvo_set_target_output(intel_encoder, this_output);
-			intel_sdvo_set_output_timing(intel_encoder, &sdvo_priv->save_output_dtd[o]);
-		}
-	}
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
-		intel_sdvo_set_target_input(intel_encoder, true, false);
-		intel_sdvo_set_input_timing(intel_encoder, &sdvo_priv->save_input_dtd_1);
-	}
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
-		intel_sdvo_set_target_input(intel_encoder, false, true);
-		intel_sdvo_set_input_timing(intel_encoder, &sdvo_priv->save_input_dtd_2);
-	}
-
-	intel_sdvo_set_clock_rate_mult(intel_encoder, sdvo_priv->save_sdvo_mult);
-
-	if (sdvo_priv->is_tv) {
-		/* XXX: Restore TV format/enhancements. */
-	}
-
-	intel_sdvo_write_sdvox(intel_encoder, sdvo_priv->save_SDVOX);
-
-	if (sdvo_priv->save_SDVOX & SDVO_ENABLE)
-	{
-		for (i = 0; i < 2; i++)
-			intel_wait_for_vblank(dev);
-		status = intel_sdvo_get_trained_inputs(intel_encoder, &input1, &input2);
-		if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
-			DRM_DEBUG_KMS("First %s output reported failure to "
-					"sync\n", SDVO_NAME(sdvo_priv));
-	}
-
-	intel_sdvo_set_active_outputs(intel_encoder, sdvo_priv->save_active_outputs);
-}
-
 static int intel_sdvo_mode_valid(struct drm_connector *connector,
 				 struct drm_display_mode *mode)
 {
@@ -2119,8 +1960,6 @@ static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
 
 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
-	.save = intel_sdvo_save,
-	.restore = intel_sdvo_restore,
 	.detect = intel_sdvo_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_sdvo_set_property,
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index dd5e2e84b2b..c8f67bfa22e 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -916,143 +916,6 @@ intel_tv_dpms(struct drm_encoder *encoder, int mode)
 	}
 }
 
-static void
-intel_tv_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
-	int i;
-
-	tv_priv->save_TV_H_CTL_1 = I915_READ(TV_H_CTL_1);
-	tv_priv->save_TV_H_CTL_2 = I915_READ(TV_H_CTL_2);
-	tv_priv->save_TV_H_CTL_3 = I915_READ(TV_H_CTL_3);
-	tv_priv->save_TV_V_CTL_1 = I915_READ(TV_V_CTL_1);
-	tv_priv->save_TV_V_CTL_2 = I915_READ(TV_V_CTL_2);
-	tv_priv->save_TV_V_CTL_3 = I915_READ(TV_V_CTL_3);
-	tv_priv->save_TV_V_CTL_4 = I915_READ(TV_V_CTL_4);
-	tv_priv->save_TV_V_CTL_5 = I915_READ(TV_V_CTL_5);
-	tv_priv->save_TV_V_CTL_6 = I915_READ(TV_V_CTL_6);
-	tv_priv->save_TV_V_CTL_7 = I915_READ(TV_V_CTL_7);
-	tv_priv->save_TV_SC_CTL_1 = I915_READ(TV_SC_CTL_1);
-	tv_priv->save_TV_SC_CTL_2 = I915_READ(TV_SC_CTL_2);
-	tv_priv->save_TV_SC_CTL_3 = I915_READ(TV_SC_CTL_3);
-
-	tv_priv->save_TV_CSC_Y = I915_READ(TV_CSC_Y);
-	tv_priv->save_TV_CSC_Y2 = I915_READ(TV_CSC_Y2);
-	tv_priv->save_TV_CSC_U = I915_READ(TV_CSC_U);
-	tv_priv->save_TV_CSC_U2 = I915_READ(TV_CSC_U2);
-	tv_priv->save_TV_CSC_V = I915_READ(TV_CSC_V);
-	tv_priv->save_TV_CSC_V2 = I915_READ(TV_CSC_V2);
-	tv_priv->save_TV_CLR_KNOBS = I915_READ(TV_CLR_KNOBS);
-	tv_priv->save_TV_CLR_LEVEL = I915_READ(TV_CLR_LEVEL);
-	tv_priv->save_TV_WIN_POS = I915_READ(TV_WIN_POS);
-	tv_priv->save_TV_WIN_SIZE = I915_READ(TV_WIN_SIZE);
-	tv_priv->save_TV_FILTER_CTL_1 = I915_READ(TV_FILTER_CTL_1);
-	tv_priv->save_TV_FILTER_CTL_2 = I915_READ(TV_FILTER_CTL_2);
-	tv_priv->save_TV_FILTER_CTL_3 = I915_READ(TV_FILTER_CTL_3);
-
-	for (i = 0; i < 60; i++)
-		tv_priv->save_TV_H_LUMA[i] = I915_READ(TV_H_LUMA_0 + (i <<2));
-	for (i = 0; i < 60; i++)
-		tv_priv->save_TV_H_CHROMA[i] = I915_READ(TV_H_CHROMA_0 + (i <<2));
-	for (i = 0; i < 43; i++)
-		tv_priv->save_TV_V_LUMA[i] = I915_READ(TV_V_LUMA_0 + (i <<2));
-	for (i = 0; i < 43; i++)
-		tv_priv->save_TV_V_CHROMA[i] = I915_READ(TV_V_CHROMA_0 + (i <<2));
-
-	tv_priv->save_TV_DAC = I915_READ(TV_DAC);
-	tv_priv->save_TV_CTL = I915_READ(TV_CTL);
-}
-
-static void
-intel_tv_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
-	struct drm_crtc *crtc = connector->encoder->crtc;
-	struct intel_crtc *intel_crtc;
-	int i;
-
-	/* FIXME: No CRTC? */
-	if (!crtc)
-		return;
-
-	intel_crtc = to_intel_crtc(crtc);
-	I915_WRITE(TV_H_CTL_1, tv_priv->save_TV_H_CTL_1);
-	I915_WRITE(TV_H_CTL_2, tv_priv->save_TV_H_CTL_2);
-	I915_WRITE(TV_H_CTL_3, tv_priv->save_TV_H_CTL_3);
-	I915_WRITE(TV_V_CTL_1, tv_priv->save_TV_V_CTL_1);
-	I915_WRITE(TV_V_CTL_2, tv_priv->save_TV_V_CTL_2);
-	I915_WRITE(TV_V_CTL_3, tv_priv->save_TV_V_CTL_3);
-	I915_WRITE(TV_V_CTL_4, tv_priv->save_TV_V_CTL_4);
-	I915_WRITE(TV_V_CTL_5, tv_priv->save_TV_V_CTL_5);
-	I915_WRITE(TV_V_CTL_6, tv_priv->save_TV_V_CTL_6);
-	I915_WRITE(TV_V_CTL_7, tv_priv->save_TV_V_CTL_7);
-	I915_WRITE(TV_SC_CTL_1, tv_priv->save_TV_SC_CTL_1);
-	I915_WRITE(TV_SC_CTL_2, tv_priv->save_TV_SC_CTL_2);
-	I915_WRITE(TV_SC_CTL_3, tv_priv->save_TV_SC_CTL_3);
-
-	I915_WRITE(TV_CSC_Y, tv_priv->save_TV_CSC_Y);
-	I915_WRITE(TV_CSC_Y2, tv_priv->save_TV_CSC_Y2);
-	I915_WRITE(TV_CSC_U, tv_priv->save_TV_CSC_U);
-	I915_WRITE(TV_CSC_U2, tv_priv->save_TV_CSC_U2);
-	I915_WRITE(TV_CSC_V, tv_priv->save_TV_CSC_V);
-	I915_WRITE(TV_CSC_V2, tv_priv->save_TV_CSC_V2);
-	I915_WRITE(TV_CLR_KNOBS, tv_priv->save_TV_CLR_KNOBS);
-	I915_WRITE(TV_CLR_LEVEL, tv_priv->save_TV_CLR_LEVEL);
-
-	{
-		int pipeconf_reg = (intel_crtc->pipe == 0) ?
-			PIPEACONF : PIPEBCONF;
-		int dspcntr_reg = (intel_crtc->plane == 0) ?
-			DSPACNTR : DSPBCNTR;
-		int pipeconf = I915_READ(pipeconf_reg);
-		int dspcntr = I915_READ(dspcntr_reg);
-		int dspbase_reg = (intel_crtc->plane == 0) ?
-			DSPAADDR : DSPBADDR;
-		/* Pipe must be off here */
-		I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE);
-		/* Flush the plane changes */
-		I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
-
-		if (!IS_I9XX(dev)) {
-			/* Wait for vblank for the disable to take effect */
-			intel_wait_for_vblank(dev);
-		}
-
-		I915_WRITE(pipeconf_reg, pipeconf & ~PIPEACONF_ENABLE);
-		/* Wait for vblank for the disable to take effect. */
-		intel_wait_for_vblank(dev);
-
-		/* Filter ctl must be set before TV_WIN_SIZE */
-		I915_WRITE(TV_FILTER_CTL_1, tv_priv->save_TV_FILTER_CTL_1);
-		I915_WRITE(TV_FILTER_CTL_2, tv_priv->save_TV_FILTER_CTL_2);
-		I915_WRITE(TV_FILTER_CTL_3, tv_priv->save_TV_FILTER_CTL_3);
-		I915_WRITE(TV_WIN_POS, tv_priv->save_TV_WIN_POS);
-		I915_WRITE(TV_WIN_SIZE, tv_priv->save_TV_WIN_SIZE);
-		I915_WRITE(pipeconf_reg, pipeconf);
-		I915_WRITE(dspcntr_reg, dspcntr);
-		/* Flush the plane changes */
-		I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
-	}
-
-	for (i = 0; i < 60; i++)
-		I915_WRITE(TV_H_LUMA_0 + (i <<2), tv_priv->save_TV_H_LUMA[i]);
-	for (i = 0; i < 60; i++)
-		I915_WRITE(TV_H_CHROMA_0 + (i <<2), tv_priv->save_TV_H_CHROMA[i]);
-	for (i = 0; i < 43; i++)
-		I915_WRITE(TV_V_LUMA_0 + (i <<2), tv_priv->save_TV_V_LUMA[i]);
-	for (i = 0; i < 43; i++)
-		I915_WRITE(TV_V_CHROMA_0 + (i <<2), tv_priv->save_TV_V_CHROMA[i]);
-
-	I915_WRITE(TV_DAC, tv_priv->save_TV_DAC);
-	I915_WRITE(TV_CTL, tv_priv->save_TV_CTL);
-}
-
 static const struct tv_mode *
 intel_tv_mode_lookup (char *tv_format)
 {
@@ -1687,8 +1550,6 @@ static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = {
 
 static const struct drm_connector_funcs intel_tv_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
-	.save = intel_tv_save,
-	.restore = intel_tv_restore,
 	.detect = intel_tv_detect,
 	.destroy = intel_tv_destroy,
 	.set_property = intel_tv_set_property,

From 0f3ee801b332d6ff22285386675fe5aaedf035c3 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Wed, 31 Mar 2010 11:41:51 -0400
Subject: [PATCH 0395/3638] drm/i915: Allow LVDS on pipe A on gen4+

The gen4 docs say it works, so why not.  Tested on Ironlake.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_display.c | 4 +++-
 drivers/gpu/drm/i915/intel_lvds.c    | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5a698008206..eb4a265861e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3303,7 +3303,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			lvds_reg = PCH_LVDS;
 
 		lvds = I915_READ(lvds_reg);
-		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT;
+		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
+		if (pipe == 1)
+			lvds |= LVDS_PIPEB_SELECT;
 		/* set the corresponsding LVDS_BORDER bit */
 		lvds |= dev_priv->lvds_border_bits;
 		/* Set the B0-B3 data pairs corresponding to whether we're going to
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index bc0ab7d57db..a69de00320b 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -953,6 +953,8 @@ void intel_lvds_init(struct drm_device *dev)
 
 	intel_encoder->clone_mask = (1 << INTEL_LVDS_CLONE_BIT);
 	intel_encoder->crtc_mask = (1 << 1);
+	if (IS_I965G(dev))
+		intel_encoder->crtc_mask |= (1 << 0);
 	drm_encoder_helper_add(encoder, &intel_lvds_helper_funcs);
 	drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);
 	connector->display_info.subpixel_order = SubPixelHorizontalRGB;

From d275f6614e160fa71d6e2201eb34c9b41fd8473c Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 9 Apr 2010 14:18:55 -0700
Subject: [PATCH 0396/3638] drm/i915: Clear the LVDS pipe B select bit when
 moving the LVDS to pipe A.

Based on a patch by Zhao Yakui.

Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_display.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index eb4a265861e..9b59979729c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3306,6 +3306,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
 		if (pipe == 1)
 			lvds |= LVDS_PIPEB_SELECT;
+		else
+			lvds &= ~LVDS_PIPEB_SELECT;
 		/* set the corresponsding LVDS_BORDER bit */
 		lvds |= dev_priv->lvds_border_bits;
 		/* Set the B0-B3 data pairs corresponding to whether we're going to

From edcb49ca34e38123675f83994d743d3d6ff772d9 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Wed, 7 Apr 2010 17:11:21 +0800
Subject: [PATCH 0397/3638] drm/i915: Fix legacy BLC event for pipe A

OpRegion event on 965G requires legacy BLC event enabled in pipe stat. As LVDS
could be on either pipe now, we should enable BLC event on both pipe. If fail to
do so, we couldn't handle the brightness request triggered from graphics
opregion.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_irq.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index c0ebcea2a37..7701cbd8b07 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -168,9 +168,13 @@ void intel_enable_asle (struct drm_device *dev)
 
 	if (HAS_PCH_SPLIT(dev))
 		ironlake_enable_display_irq(dev_priv, DE_GSE);
-	else
+	else {
 		i915_enable_pipestat(dev_priv, 1,
 				     I915_LEGACY_BLC_EVENT_ENABLE);
+		if (IS_I965G(dev))
+			i915_enable_pipestat(dev_priv, 0,
+					     I915_LEGACY_BLC_EVENT_ENABLE);
+	}
 }
 
 /**
@@ -945,7 +949,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 			intel_finish_page_flip(dev, 1);
 		}
 
-		if ((pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) ||
+		if ((pipea_stats & I915_LEGACY_BLC_EVENT_STATUS) ||
+		    (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) ||
 		    (iir & I915_ASLE_INTERRUPT))
 			opregion_asle_intr(dev);
 

From 7da9f6cbf70656ed1c913a674b82b68e076c99f7 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Wed, 7 Apr 2010 16:15:52 +0800
Subject: [PATCH 0398/3638] drm/i915: Sandybridge has no integrated TV

Integrated TV is deprecated in new chips from Ironlake.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_drv.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 6960849522f..94fc9b65f4d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1123,7 +1123,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define SUPPORTS_INTEGRATED_DP(dev)	(IS_G4X(dev) || IS_IRONLAKE(dev))
 #define SUPPORTS_EDP(dev)		(IS_IRONLAKE_M(dev))
 #define SUPPORTS_TV(dev)		(IS_I9XX(dev) && IS_MOBILE(dev) && \
-					!IS_IRONLAKE(dev) && !IS_PINEVIEW(dev))
+					!IS_IRONLAKE(dev) && !IS_PINEVIEW(dev) && \
+					!IS_GEN6(dev))
 #define I915_HAS_HOTPLUG(dev)		 (INTEL_INFO(dev)->has_hotplug)
 /* dsparb controlled by hw only */
 #define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IRONLAKE(dev))

From 3bad0781832e4e8c9a532f1169bfcd7257bcfd9e Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Wed, 7 Apr 2010 16:15:53 +0800
Subject: [PATCH 0399/3638] drm/i915: Probe for PCH chipset type

PCH is the new name for south bridge from Ironlake/Sandybridge,
which contains most of the display outputs except eDP. This one
adds a probe function to detect current PCH type, and method to
detect Cougarpoint PCH.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_dma.c |  2 ++
 drivers/gpu/drm/i915/i915_drv.c | 29 +++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/i915_drv.h | 13 +++++++++++++
 3 files changed, 44 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a9f8589490c..d2daff1f829 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1710,6 +1710,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	/* Start out suspended */
 	dev_priv->mm.suspended = 1;
 
+	intel_detect_pch(dev);
+
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
 		ret = i915_load_modeset_init(dev, prealloc_start,
 					     prealloc_size, agp_size);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 0af3dcc85ce..01e91ea5bde 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -187,6 +187,35 @@ const static struct pci_device_id pciidlist[] = {
 MODULE_DEVICE_TABLE(pci, pciidlist);
 #endif
 
+#define INTEL_PCH_DEVICE_ID_MASK	0xff00
+#define INTEL_PCH_CPT_DEVICE_ID_TYPE	0x1c00
+
+void intel_detect_pch (struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct pci_dev *pch;
+
+	/*
+	 * The reason to probe ISA bridge instead of Dev31:Fun0 is to
+	 * make graphics device passthrough work easy for VMM, that only
+	 * need to expose ISA bridge to let driver know the real hardware
+	 * underneath. This is a requirement from virtualization team.
+	 */
+	pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL);
+	if (pch) {
+		if (pch->vendor == PCI_VENDOR_ID_INTEL) {
+			int id;
+			id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
+
+			if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {
+				dev_priv->pch_type = PCH_CPT;
+				DRM_DEBUG_KMS("Found CougarPoint PCH\n");
+			}
+		}
+		pci_dev_put(pch);
+	}
+}
+
 static int i915_drm_freeze(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 94fc9b65f4d..6ffabab3bb6 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -221,6 +221,11 @@ enum no_fbc_reason {
 	FBC_NOT_TILED, /* buffer not tiled */
 };
 
+enum intel_pch {
+	PCH_IBX,	/* Ibexpeak PCH */
+	PCH_CPT,	/* Cougarpoint PCH */
+};
+
 typedef struct drm_i915_private {
 	struct drm_device *dev;
 
@@ -331,6 +336,9 @@ typedef struct drm_i915_private {
 	/* Display functions */
 	struct drm_i915_display_funcs display;
 
+	/* PCH chipset type */
+	enum intel_pch pch_type;
+
 	/* Register state */
 	bool modeset_on_lid;
 	u8 saveLBB;
@@ -992,6 +1000,8 @@ extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
 extern void i8xx_disable_fbc(struct drm_device *dev);
 extern void g4x_disable_fbc(struct drm_device *dev);
 
+extern void intel_detect_pch (struct drm_device *dev);
+
 /**
  * Lock test for when it's just for synchronization of ring access.
  *
@@ -1137,6 +1147,9 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define HAS_PCH_SPLIT(dev) (IS_IRONLAKE(dev) ||	\
 			    IS_GEN6(dev))
 
+#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
+#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
+
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)
 
 #endif

From 8db9d77b1b14fd730561f64beea8c00e4478d7c5 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Wed, 7 Apr 2010 16:15:54 +0800
Subject: [PATCH 0400/3638] drm/i915: Support for Cougarpoint PCH display
 pipeline

Cougarpoint is the new PCH for Sandybridge CPU. This one resolves the
chipset change for display pipeline compared to previous Ibexpeak PCH.

Sandybridge/Cougarpoint has different FDI training parameters, so this also
makes seperate FDI training functions for IBX and CPT. Other change includes
new transcoder DPLL select function to set which DPLL for transcoder to pick
up.

And with another new transcoder C introduced in Cougarpoint, each connector
has new transcoder select bits. This one adds that change to light up VGA.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_reg.h      |  82 +++++
 drivers/gpu/drm/i915/intel_crt.c     |  10 +-
 drivers/gpu/drm/i915/intel_display.c | 458 ++++++++++++++++++++-------
 3 files changed, 426 insertions(+), 124 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index cbbf59f56df..8de8194a5e7 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1754,6 +1754,14 @@
 #define   DP_LINK_TRAIN_MASK		(3 << 28)
 #define   DP_LINK_TRAIN_SHIFT		28
 
+/* CPT Link training mode */
+#define   DP_LINK_TRAIN_PAT_1_CPT	(0 << 8)
+#define   DP_LINK_TRAIN_PAT_2_CPT	(1 << 8)
+#define   DP_LINK_TRAIN_PAT_IDLE_CPT	(2 << 8)
+#define   DP_LINK_TRAIN_OFF_CPT		(3 << 8)
+#define   DP_LINK_TRAIN_MASK_CPT	(7 << 8)
+#define   DP_LINK_TRAIN_SHIFT_CPT	8
+
 /* Signal voltages. These are mostly controlled by the other end */
 #define   DP_VOLTAGE_0_4		(0 << 25)
 #define   DP_VOLTAGE_0_6		(1 << 25)
@@ -2305,6 +2313,11 @@
 #define SDE_PORTB_HOTPLUG       (1 << 8)
 #define SDE_SDVOB_HOTPLUG       (1 << 6)
 #define SDE_HOTPLUG_MASK	(0xf << 8)
+/* CPT */
+#define SDE_CRT_HOTPLUG_CPT	(1 << 19)
+#define SDE_PORTD_HOTPLUG_CPT	(1 << 23)
+#define SDE_PORTC_HOTPLUG_CPT	(1 << 22)
+#define SDE_PORTB_HOTPLUG_CPT	(1 << 21)
 
 #define SDEISR  0xc4000
 #define SDEIMR  0xc4004
@@ -2396,6 +2409,17 @@
 #define PCH_SSC4_PARMS          0xc6210
 #define PCH_SSC4_AUX_PARMS      0xc6214
 
+#define PCH_DPLL_SEL		0xc7000
+#define  TRANSA_DPLL_ENABLE	(1<<3)
+#define	 TRANSA_DPLLB_SEL	(1<<0)
+#define	 TRANSA_DPLLA_SEL	0
+#define  TRANSB_DPLL_ENABLE	(1<<7)
+#define	 TRANSB_DPLLB_SEL	(1<<4)
+#define	 TRANSB_DPLLA_SEL	(0)
+#define  TRANSC_DPLL_ENABLE	(1<<11)
+#define	 TRANSC_DPLLB_SEL	(1<<8)
+#define	 TRANSC_DPLLA_SEL	(0)
+
 /* transcoder */
 
 #define TRANS_HTOTAL_A          0xe0000
@@ -2482,6 +2506,19 @@
 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X (1<<22)
 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_2X   (2<<22)
 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_3X   (3<<22)
+/* ILK always use 400mV 0dB for voltage swing and pre-emphasis level.
+   SNB has different settings. */
+/* SNB A-stepping */
+#define  FDI_LINK_TRAIN_400MV_0DB_SNB_A		(0x38<<22)
+#define  FDI_LINK_TRAIN_400MV_6DB_SNB_A		(0x02<<22)
+#define  FDI_LINK_TRAIN_600MV_3_5DB_SNB_A	(0x01<<22)
+#define  FDI_LINK_TRAIN_800MV_0DB_SNB_A		(0x0<<22)
+/* SNB B-stepping */
+#define  FDI_LINK_TRAIN_400MV_0DB_SNB_B		(0x0<<22)
+#define  FDI_LINK_TRAIN_400MV_6DB_SNB_B		(0x3a<<22)
+#define  FDI_LINK_TRAIN_600MV_3_5DB_SNB_B	(0x39<<22)
+#define  FDI_LINK_TRAIN_800MV_0DB_SNB_B		(0x38<<22)
+#define  FDI_LINK_TRAIN_VOL_EMP_MASK		(0x3f<<22)
 #define  FDI_DP_PORT_WIDTH_X1           (0<<19)
 #define  FDI_DP_PORT_WIDTH_X2           (1<<19)
 #define  FDI_DP_PORT_WIDTH_X3           (2<<19)
@@ -2514,6 +2551,13 @@
 #define  FDI_RX_ENHANCE_FRAME_ENABLE    (1<<6)
 #define  FDI_SEL_RAWCLK                 (0<<4)
 #define  FDI_SEL_PCDCLK                 (1<<4)
+/* CPT */
+#define  FDI_AUTO_TRAINING			(1<<10)
+#define  FDI_LINK_TRAIN_PATTERN_1_CPT		(0<<8)
+#define  FDI_LINK_TRAIN_PATTERN_2_CPT		(1<<8)
+#define  FDI_LINK_TRAIN_PATTERN_IDLE_CPT	(2<<8)
+#define  FDI_LINK_TRAIN_NORMAL_CPT		(3<<8)
+#define  FDI_LINK_TRAIN_PATTERN_MASK_CPT	(3<<8)
 
 #define FDI_RXA_MISC            0xf0010
 #define FDI_RXB_MISC            0xf1010
@@ -2642,4 +2686,42 @@
 #define PCH_DPD_AUX_CH_DATA4	0xe4320
 #define PCH_DPD_AUX_CH_DATA5	0xe4324
 
+/* CPT */
+#define  PORT_TRANS_A_SEL_CPT	0
+#define  PORT_TRANS_B_SEL_CPT	(1<<29)
+#define  PORT_TRANS_C_SEL_CPT	(2<<29)
+#define  PORT_TRANS_SEL_MASK	(3<<29)
+
+#define TRANS_DP_CTL_A		0xe0300
+#define TRANS_DP_CTL_B		0xe1300
+#define TRANS_DP_CTL_C		0xe2300
+#define  TRANS_DP_OUTPUT_ENABLE	(1<<31)
+#define  TRANS_DP_PORT_SEL_B	(0<<29)
+#define  TRANS_DP_PORT_SEL_C	(1<<29)
+#define  TRANS_DP_PORT_SEL_D	(2<<29)
+#define  TRANS_DP_PORT_SEL_MASK	(3<<29)
+#define  TRANS_DP_AUDIO_ONLY	(1<<26)
+#define  TRANS_DP_ENH_FRAMING	(1<<18)
+#define  TRANS_DP_8BPC		(0<<9)
+#define  TRANS_DP_10BPC		(1<<9)
+#define  TRANS_DP_6BPC		(2<<9)
+#define  TRANS_DP_12BPC		(3<<9)
+#define  TRANS_DP_VSYNC_ACTIVE_HIGH	(1<<4)
+#define  TRANS_DP_VSYNC_ACTIVE_LOW	0
+#define  TRANS_DP_HSYNC_ACTIVE_HIGH	(1<<3)
+#define  TRANS_DP_HSYNC_ACTIVE_LOW	0
+
+/* SNB eDP training params */
+/* SNB A-stepping */
+#define  EDP_LINK_TRAIN_400MV_0DB_SNB_A		(0x38<<22)
+#define  EDP_LINK_TRAIN_400MV_6DB_SNB_A		(0x02<<22)
+#define  EDP_LINK_TRAIN_600MV_3_5DB_SNB_A	(0x01<<22)
+#define  EDP_LINK_TRAIN_800MV_0DB_SNB_A		(0x0<<22)
+/* SNB B-stepping */
+#define  EDP_LINK_TRAIN_400MV_0DB_SNB_B		(0x0<<22)
+#define  EDP_LINK_TRAIN_400MV_6DB_SNB_B		(0x3a<<22)
+#define  EDP_LINK_TRAIN_600MV_3_5DB_SNB_B	(0x39<<22)
+#define  EDP_LINK_TRAIN_800MV_0DB_SNB_B		(0x38<<22)
+#define  EDP_LINK_TRAIN_VOL_EMP_MASK_SNB	(0x3f<<22)
+
 #endif /* _I915_REG_H_ */
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 4dd5daa8ebe..1f732ba568f 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -135,11 +135,17 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 		adpa |= ADPA_VSYNC_ACTIVE_HIGH;
 
 	if (intel_crtc->pipe == 0) {
-		adpa |= ADPA_PIPE_A_SELECT;
+		if (HAS_PCH_CPT(dev))
+			adpa |= PORT_TRANS_A_SEL_CPT;
+		else
+			adpa |= ADPA_PIPE_A_SELECT;
 		if (!HAS_PCH_SPLIT(dev))
 			I915_WRITE(BCLRPAT_A, 0);
 	} else {
-		adpa |= ADPA_PIPE_B_SELECT;
+		if (HAS_PCH_CPT(dev))
+			adpa |= PORT_TRANS_B_SEL_CPT;
+		else
+			adpa |= ADPA_PIPE_B_SELECT;
 		if (!HAS_PCH_SPLIT(dev))
 			I915_WRITE(BCLRPAT_B, 0);
 	}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9b59979729c..716ab9ea19b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1508,6 +1508,217 @@ static void ironlake_set_pll_edp (struct drm_crtc *crtc, int clock)
 	udelay(500);
 }
 
+/* The FDI link training functions for ILK/Ibexpeak. */
+static void ironlake_fdi_link_train(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	int pipe = intel_crtc->pipe;
+	int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
+	int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
+	int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
+	int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
+	u32 temp, tries = 0;
+
+	/* enable CPU FDI TX and PCH FDI RX */
+	temp = I915_READ(fdi_tx_reg);
+	temp |= FDI_TX_ENABLE;
+	temp |= FDI_DP_PORT_WIDTH_X4; /* default */
+	temp &= ~FDI_LINK_TRAIN_NONE;
+	temp |= FDI_LINK_TRAIN_PATTERN_1;
+	I915_WRITE(fdi_tx_reg, temp);
+	I915_READ(fdi_tx_reg);
+
+	temp = I915_READ(fdi_rx_reg);
+	temp &= ~FDI_LINK_TRAIN_NONE;
+	temp |= FDI_LINK_TRAIN_PATTERN_1;
+	I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
+	I915_READ(fdi_rx_reg);
+	udelay(150);
+
+	/* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
+	   for train result */
+	temp = I915_READ(fdi_rx_imr_reg);
+	temp &= ~FDI_RX_SYMBOL_LOCK;
+	temp &= ~FDI_RX_BIT_LOCK;
+	I915_WRITE(fdi_rx_imr_reg, temp);
+	I915_READ(fdi_rx_imr_reg);
+	udelay(150);
+
+	for (;;) {
+		temp = I915_READ(fdi_rx_iir_reg);
+		DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
+
+		if ((temp & FDI_RX_BIT_LOCK)) {
+			DRM_DEBUG_KMS("FDI train 1 done.\n");
+			I915_WRITE(fdi_rx_iir_reg,
+				   temp | FDI_RX_BIT_LOCK);
+			break;
+		}
+
+		tries++;
+
+		if (tries > 5) {
+			DRM_DEBUG_KMS("FDI train 1 fail!\n");
+			break;
+		}
+	}
+
+	/* Train 2 */
+	temp = I915_READ(fdi_tx_reg);
+	temp &= ~FDI_LINK_TRAIN_NONE;
+	temp |= FDI_LINK_TRAIN_PATTERN_2;
+	I915_WRITE(fdi_tx_reg, temp);
+
+	temp = I915_READ(fdi_rx_reg);
+	temp &= ~FDI_LINK_TRAIN_NONE;
+	temp |= FDI_LINK_TRAIN_PATTERN_2;
+	I915_WRITE(fdi_rx_reg, temp);
+	udelay(150);
+
+	tries = 0;
+
+	for (;;) {
+		temp = I915_READ(fdi_rx_iir_reg);
+		DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
+
+		if (temp & FDI_RX_SYMBOL_LOCK) {
+			I915_WRITE(fdi_rx_iir_reg,
+				   temp | FDI_RX_SYMBOL_LOCK);
+			DRM_DEBUG_KMS("FDI train 2 done.\n");
+			break;
+		}
+
+		tries++;
+
+		if (tries > 5) {
+			DRM_DEBUG_KMS("FDI train 2 fail!\n");
+			break;
+		}
+	}
+
+	DRM_DEBUG_KMS("FDI train done\n");
+}
+
+static int snb_b_fdi_train_param [] = {
+	FDI_LINK_TRAIN_400MV_0DB_SNB_B,
+	FDI_LINK_TRAIN_400MV_6DB_SNB_B,
+	FDI_LINK_TRAIN_600MV_3_5DB_SNB_B,
+	FDI_LINK_TRAIN_800MV_0DB_SNB_B,
+};
+
+/* The FDI link training functions for SNB/Cougarpoint. */
+static void gen6_fdi_link_train(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	int pipe = intel_crtc->pipe;
+	int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
+	int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
+	int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
+	int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
+	u32 temp, i;
+
+	/* enable CPU FDI TX and PCH FDI RX */
+	temp = I915_READ(fdi_tx_reg);
+	temp |= FDI_TX_ENABLE;
+	temp |= FDI_DP_PORT_WIDTH_X4; /* default */
+	temp &= ~FDI_LINK_TRAIN_NONE;
+	temp |= FDI_LINK_TRAIN_PATTERN_1;
+	temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
+	/* SNB-B */
+	temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B;
+	I915_WRITE(fdi_tx_reg, temp);
+	I915_READ(fdi_tx_reg);
+
+	temp = I915_READ(fdi_rx_reg);
+	if (HAS_PCH_CPT(dev)) {
+		temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+		temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
+	} else {
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_1;
+	}
+	I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
+	I915_READ(fdi_rx_reg);
+	udelay(150);
+
+	/* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
+	   for train result */
+	temp = I915_READ(fdi_rx_imr_reg);
+	temp &= ~FDI_RX_SYMBOL_LOCK;
+	temp &= ~FDI_RX_BIT_LOCK;
+	I915_WRITE(fdi_rx_imr_reg, temp);
+	I915_READ(fdi_rx_imr_reg);
+	udelay(150);
+
+	for (i = 0; i < 4; i++ ) {
+		temp = I915_READ(fdi_tx_reg);
+		temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
+		temp |= snb_b_fdi_train_param[i];
+		I915_WRITE(fdi_tx_reg, temp);
+		udelay(500);
+
+		temp = I915_READ(fdi_rx_iir_reg);
+		DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
+
+		if (temp & FDI_RX_BIT_LOCK) {
+			I915_WRITE(fdi_rx_iir_reg,
+				   temp | FDI_RX_BIT_LOCK);
+			DRM_DEBUG_KMS("FDI train 1 done.\n");
+			break;
+		}
+	}
+	if (i == 4)
+		DRM_DEBUG_KMS("FDI train 1 fail!\n");
+
+	/* Train 2 */
+	temp = I915_READ(fdi_tx_reg);
+	temp &= ~FDI_LINK_TRAIN_NONE;
+	temp |= FDI_LINK_TRAIN_PATTERN_2;
+	if (IS_GEN6(dev)) {
+		temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
+		/* SNB-B */
+		temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B;
+	}
+	I915_WRITE(fdi_tx_reg, temp);
+
+	temp = I915_READ(fdi_rx_reg);
+	if (HAS_PCH_CPT(dev)) {
+		temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+		temp |= FDI_LINK_TRAIN_PATTERN_2_CPT;
+	} else {
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_2;
+	}
+	I915_WRITE(fdi_rx_reg, temp);
+	udelay(150);
+
+	for (i = 0; i < 4; i++ ) {
+		temp = I915_READ(fdi_tx_reg);
+		temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
+		temp |= snb_b_fdi_train_param[i];
+		I915_WRITE(fdi_tx_reg, temp);
+		udelay(500);
+
+		temp = I915_READ(fdi_rx_iir_reg);
+		DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
+
+		if (temp & FDI_RX_SYMBOL_LOCK) {
+			I915_WRITE(fdi_rx_iir_reg,
+				   temp | FDI_RX_SYMBOL_LOCK);
+			DRM_DEBUG_KMS("FDI train 2 done.\n");
+			break;
+		}
+	}
+	if (i == 4)
+		DRM_DEBUG_KMS("FDI train 2 fail!\n");
+
+	DRM_DEBUG_KMS("FDI train done.\n");
+}
+
 static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
 	struct drm_device *dev = crtc->dev;
@@ -1521,8 +1732,6 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 	int dspbase_reg = (plane == 0) ? DSPAADDR : DSPBADDR;
 	int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
 	int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
-	int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
-	int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
 	int transconf_reg = (pipe == 0) ? TRANSACONF : TRANSBCONF;
 	int pf_ctl_reg = (pipe == 0) ? PFA_CTL_1 : PFB_CTL_1;
 	int pf_win_size = (pipe == 0) ? PFA_WIN_SZ : PFB_WIN_SZ;
@@ -1539,8 +1748,9 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 	int trans_vtot_reg = (pipe == 0) ? TRANS_VTOTAL_A : TRANS_VTOTAL_B;
 	int trans_vblank_reg = (pipe == 0) ? TRANS_VBLANK_A : TRANS_VBLANK_B;
 	int trans_vsync_reg = (pipe == 0) ? TRANS_VSYNC_A : TRANS_VSYNC_B;
+	int trans_dpll_sel = (pipe == 0) ? 0 : 1;
 	u32 temp;
-	int tries = 5, j, n;
+	int n;
 	u32 pipe_bpc;
 
 	temp = I915_READ(pipeconf_reg);
@@ -1567,12 +1777,6 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 			/* enable eDP PLL */
 			ironlake_enable_pll_edp(crtc);
 		} else {
-			/* enable PCH DPLL */
-			temp = I915_READ(pch_dpll_reg);
-			if ((temp & DPLL_VCO_ENABLE) == 0) {
-				I915_WRITE(pch_dpll_reg, temp | DPLL_VCO_ENABLE);
-				I915_READ(pch_dpll_reg);
-			}
 
 			/* enable PCH FDI RX PLL, wait warmup plus DMI latency */
 			temp = I915_READ(fdi_rx_reg);
@@ -1583,11 +1787,16 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 			temp &= ~(0x7 << 16);
 			temp |= (pipe_bpc << 11);
 			I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE |
-					FDI_SEL_PCDCLK |
 					FDI_DP_PORT_WIDTH_X4); /* default 4 lanes */
 			I915_READ(fdi_rx_reg);
 			udelay(200);
 
+			/* Switch from Rawclk to PCDclk */
+			temp = I915_READ(fdi_rx_reg);
+			I915_WRITE(fdi_rx_reg, temp | FDI_SEL_PCDCLK);
+			I915_READ(fdi_rx_reg);
+			udelay(200);
+
 			/* Enable CPU FDI TX PLL, always on for Ironlake */
 			temp = I915_READ(fdi_tx_reg);
 			if ((temp & FDI_TX_PLL_ENABLE) == 0) {
@@ -1627,91 +1836,32 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 		}
 
 		if (!HAS_eDP) {
-			/* enable CPU FDI TX and PCH FDI RX */
-			temp = I915_READ(fdi_tx_reg);
-			temp |= FDI_TX_ENABLE;
-			temp |= FDI_DP_PORT_WIDTH_X4; /* default */
-			temp &= ~FDI_LINK_TRAIN_NONE;
-			temp |= FDI_LINK_TRAIN_PATTERN_1;
-			I915_WRITE(fdi_tx_reg, temp);
-			I915_READ(fdi_tx_reg);
+			/* For PCH output, training FDI link */
+			if (IS_GEN6(dev))
+				gen6_fdi_link_train(crtc);
+			else
+				ironlake_fdi_link_train(crtc);
 
-			temp = I915_READ(fdi_rx_reg);
-			temp &= ~FDI_LINK_TRAIN_NONE;
-			temp |= FDI_LINK_TRAIN_PATTERN_1;
-			I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
-			I915_READ(fdi_rx_reg);
-
-			udelay(150);
-
-			/* Train FDI. */
-			/* umask FDI RX Interrupt symbol_lock and bit_lock bit
-			   for train result */
-			temp = I915_READ(fdi_rx_imr_reg);
-			temp &= ~FDI_RX_SYMBOL_LOCK;
-			temp &= ~FDI_RX_BIT_LOCK;
-			I915_WRITE(fdi_rx_imr_reg, temp);
-			I915_READ(fdi_rx_imr_reg);
-			udelay(150);
-
-			temp = I915_READ(fdi_rx_iir_reg);
-			DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
-
-			if ((temp & FDI_RX_BIT_LOCK) == 0) {
-				for (j = 0; j < tries; j++) {
-					temp = I915_READ(fdi_rx_iir_reg);
-					DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n",
-								temp);
-					if (temp & FDI_RX_BIT_LOCK)
-						break;
-					udelay(200);
-				}
-				if (j != tries)
-					I915_WRITE(fdi_rx_iir_reg,
-							temp | FDI_RX_BIT_LOCK);
-				else
-					DRM_DEBUG_KMS("train 1 fail\n");
-			} else {
-				I915_WRITE(fdi_rx_iir_reg,
-						temp | FDI_RX_BIT_LOCK);
-				DRM_DEBUG_KMS("train 1 ok 2!\n");
+			/* enable PCH DPLL */
+			temp = I915_READ(pch_dpll_reg);
+			if ((temp & DPLL_VCO_ENABLE) == 0) {
+				I915_WRITE(pch_dpll_reg, temp | DPLL_VCO_ENABLE);
+				I915_READ(pch_dpll_reg);
 			}
-			temp = I915_READ(fdi_tx_reg);
-			temp &= ~FDI_LINK_TRAIN_NONE;
-			temp |= FDI_LINK_TRAIN_PATTERN_2;
-			I915_WRITE(fdi_tx_reg, temp);
+			udelay(200);
 
-			temp = I915_READ(fdi_rx_reg);
-			temp &= ~FDI_LINK_TRAIN_NONE;
-			temp |= FDI_LINK_TRAIN_PATTERN_2;
-			I915_WRITE(fdi_rx_reg, temp);
-
-			udelay(150);
-
-			temp = I915_READ(fdi_rx_iir_reg);
-			DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
-
-			if ((temp & FDI_RX_SYMBOL_LOCK) == 0) {
-				for (j = 0; j < tries; j++) {
-					temp = I915_READ(fdi_rx_iir_reg);
-					DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n",
-								temp);
-					if (temp & FDI_RX_SYMBOL_LOCK)
-						break;
-					udelay(200);
-				}
-				if (j != tries) {
-					I915_WRITE(fdi_rx_iir_reg,
-							temp | FDI_RX_SYMBOL_LOCK);
-					DRM_DEBUG_KMS("train 2 ok 1!\n");
-				} else
-					DRM_DEBUG_KMS("train 2 fail\n");
-			} else {
-				I915_WRITE(fdi_rx_iir_reg,
-						temp | FDI_RX_SYMBOL_LOCK);
-				DRM_DEBUG_KMS("train 2 ok 2!\n");
+			if (HAS_PCH_CPT(dev)) {
+				/* Be sure PCH DPLL SEL is set */
+				temp = I915_READ(PCH_DPLL_SEL);
+				if (trans_dpll_sel == 0 &&
+						(temp & TRANSA_DPLL_ENABLE) == 0)
+					temp |= (TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
+				else if (trans_dpll_sel == 1 &&
+						(temp & TRANSB_DPLL_ENABLE) == 0)
+					temp |= (TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+				I915_WRITE(PCH_DPLL_SEL, temp);
+				I915_READ(PCH_DPLL_SEL);
 			}
-			DRM_DEBUG_KMS("train done\n");
 
 			/* set transcoder timing */
 			I915_WRITE(trans_htot_reg, I915_READ(cpu_htot_reg));
@@ -1722,6 +1872,27 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 			I915_WRITE(trans_vblank_reg, I915_READ(cpu_vblank_reg));
 			I915_WRITE(trans_vsync_reg, I915_READ(cpu_vsync_reg));
 
+			/* enable normal train */
+			temp = I915_READ(fdi_tx_reg);
+			temp &= ~FDI_LINK_TRAIN_NONE;
+			I915_WRITE(fdi_tx_reg, temp | FDI_LINK_TRAIN_NONE |
+					FDI_TX_ENHANCE_FRAME_ENABLE);
+			I915_READ(fdi_tx_reg);
+
+			temp = I915_READ(fdi_rx_reg);
+			if (HAS_PCH_CPT(dev)) {
+				temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+				temp |= FDI_LINK_TRAIN_NORMAL_CPT;
+			} else {
+				temp &= ~FDI_LINK_TRAIN_NONE;
+				temp |= FDI_LINK_TRAIN_NONE;
+			}
+			I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE);
+			I915_READ(fdi_rx_reg);
+
+			/* wait one idle pattern time */
+			udelay(100);
+
 			/* enable PCH transcoder */
 			temp = I915_READ(transconf_reg);
 			/*
@@ -1736,23 +1907,6 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 			while ((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) == 0)
 				;
 
-			/* enable normal */
-
-			temp = I915_READ(fdi_tx_reg);
-			temp &= ~FDI_LINK_TRAIN_NONE;
-			I915_WRITE(fdi_tx_reg, temp | FDI_LINK_TRAIN_NONE |
-					FDI_TX_ENHANCE_FRAME_ENABLE);
-			I915_READ(fdi_tx_reg);
-
-			temp = I915_READ(fdi_rx_reg);
-			temp &= ~FDI_LINK_TRAIN_NONE;
-			I915_WRITE(fdi_rx_reg, temp | FDI_LINK_TRAIN_NONE |
-					FDI_RX_ENHANCE_FRAME_ENABLE);
-			I915_READ(fdi_rx_reg);
-
-			/* wait one idle pattern time */
-			udelay(100);
-
 		}
 
 		intel_crtc_load_lut(crtc);
@@ -1803,6 +1957,8 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 			I915_READ(pf_ctl_reg);
 		}
 		I915_WRITE(pf_win_size, 0);
+		POSTING_READ(pf_win_size);
+
 
 		/* disable CPU FDI tx and PCH FDI rx */
 		temp = I915_READ(fdi_tx_reg);
@@ -1823,11 +1979,18 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 		temp &= ~FDI_LINK_TRAIN_NONE;
 		temp |= FDI_LINK_TRAIN_PATTERN_1;
 		I915_WRITE(fdi_tx_reg, temp);
+		POSTING_READ(fdi_tx_reg);
 
 		temp = I915_READ(fdi_rx_reg);
-		temp &= ~FDI_LINK_TRAIN_NONE;
-		temp |= FDI_LINK_TRAIN_PATTERN_1;
+		if (HAS_PCH_CPT(dev)) {
+			temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+			temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
+		} else {
+			temp &= ~FDI_LINK_TRAIN_NONE;
+			temp |= FDI_LINK_TRAIN_PATTERN_1;
+		}
 		I915_WRITE(fdi_rx_reg, temp);
+		POSTING_READ(fdi_rx_reg);
 
 		udelay(100);
 
@@ -1857,6 +2020,7 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 				}
 			}
 		}
+
 		temp = I915_READ(transconf_reg);
 		/* BPC in transcoder is consistent with that in pipeconf */
 		temp &= ~PIPE_BPC_MASK;
@@ -1865,35 +2029,45 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 		I915_READ(transconf_reg);
 		udelay(100);
 
+		if (HAS_PCH_CPT(dev)) {
+
+			/* disable DPLL_SEL */
+			temp = I915_READ(PCH_DPLL_SEL);
+			if (trans_dpll_sel == 0)
+				temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLB_SEL);
+			else
+				temp &= ~(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+			I915_WRITE(PCH_DPLL_SEL, temp);
+			I915_READ(PCH_DPLL_SEL);
+
+		}
+
 		/* disable PCH DPLL */
 		temp = I915_READ(pch_dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) != 0) {
-			I915_WRITE(pch_dpll_reg, temp & ~DPLL_VCO_ENABLE);
-			I915_READ(pch_dpll_reg);
-		}
+		I915_WRITE(pch_dpll_reg, temp & ~DPLL_VCO_ENABLE);
+		I915_READ(pch_dpll_reg);
 
 		if (HAS_eDP) {
 			ironlake_disable_pll_edp(crtc);
 		}
 
+		/* Switch from PCDclk to Rawclk */
 		temp = I915_READ(fdi_rx_reg);
 		temp &= ~FDI_SEL_PCDCLK;
 		I915_WRITE(fdi_rx_reg, temp);
 		I915_READ(fdi_rx_reg);
 
+		/* Disable CPU FDI TX PLL */
+		temp = I915_READ(fdi_tx_reg);
+		I915_WRITE(fdi_tx_reg, temp & ~FDI_TX_PLL_ENABLE);
+		I915_READ(fdi_tx_reg);
+		udelay(100);
+
 		temp = I915_READ(fdi_rx_reg);
 		temp &= ~FDI_RX_PLL_ENABLE;
 		I915_WRITE(fdi_rx_reg, temp);
 		I915_READ(fdi_rx_reg);
 
-		/* Disable CPU FDI TX PLL */
-		temp = I915_READ(fdi_tx_reg);
-		if ((temp & FDI_TX_PLL_ENABLE) != 0) {
-			I915_WRITE(fdi_tx_reg, temp & ~FDI_TX_PLL_ENABLE);
-			I915_READ(fdi_tx_reg);
-			udelay(100);
-		}
-
 		/* Wait for the clocks to turn off. */
 		udelay(100);
 		break;
@@ -2934,6 +3108,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	int pch_fp_reg = (pipe == 0) ? PCH_FPA0 : PCH_FPB0;
 	int pch_dpll_reg = (pipe == 0) ? PCH_DPLL_A : PCH_DPLL_B;
 	int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
+	int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
+	int trans_dpll_sel = (pipe == 0) ? 0 : 1;
 	int lvds_reg = LVDS;
 	u32 temp;
 	int sdvo_pixel_multiply;
@@ -3292,6 +3468,18 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		udelay(150);
 	}
 
+	/* enable transcoder DPLL */
+	if (HAS_PCH_CPT(dev)) {
+		temp = I915_READ(PCH_DPLL_SEL);
+		if (trans_dpll_sel == 0)
+			temp |= (TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
+		else
+			temp |=	(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+		I915_WRITE(PCH_DPLL_SEL, temp);
+		I915_READ(PCH_DPLL_SEL);
+		udelay(150);
+	}
+
 	/* The LVDS pin pair needs to be on before the DPLLs are enabled.
 	 * This is an exception to the general rule that mode_set doesn't turn
 	 * things on.
@@ -3341,6 +3529,20 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	}
 	if (is_dp)
 		intel_dp_set_m_n(crtc, mode, adjusted_mode);
+	else if (HAS_PCH_SPLIT(dev)) {
+		/* For non-DP output, clear any trans DP clock recovery setting.*/
+		if (pipe == 0) {
+			I915_WRITE(TRANSA_DATA_M1, 0);
+			I915_WRITE(TRANSA_DATA_N1, 0);
+			I915_WRITE(TRANSA_DP_LINK_M1, 0);
+			I915_WRITE(TRANSA_DP_LINK_N1, 0);
+		} else {
+			I915_WRITE(TRANSB_DATA_M1, 0);
+			I915_WRITE(TRANSB_DATA_N1, 0);
+			I915_WRITE(TRANSB_DP_LINK_M1, 0);
+			I915_WRITE(TRANSB_DP_LINK_N1, 0);
+		}
+	}
 
 	if (!is_edp) {
 		I915_WRITE(fp_reg, fp);
@@ -3415,6 +3617,18 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			/* enable FDI RX PLL too */
 			temp = I915_READ(fdi_rx_reg);
 			I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
+			I915_READ(fdi_rx_reg);
+			udelay(200);
+
+			/* enable FDI TX PLL too */
+			temp = I915_READ(fdi_tx_reg);
+			I915_WRITE(fdi_tx_reg, temp | FDI_TX_PLL_ENABLE);
+			I915_READ(fdi_tx_reg);
+
+			/* enable FDI RX PCDCLK */
+			temp = I915_READ(fdi_rx_reg);
+			I915_WRITE(fdi_rx_reg, temp | FDI_SEL_PCDCLK);
+			I915_READ(fdi_rx_reg);
 			udelay(200);
 		}
 	}

From a4a6b90150326294b1116504ba9d678bb3f42c35 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Wed, 7 Apr 2010 16:15:55 +0800
Subject: [PATCH 0401/3638] drm/i915: Fix CRT force detect on Cougarpoint

To make CRT force detect reliable on Cougarpoint, we need to
disable DAC before force detect, and restore back when trigger
is completed.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_crt.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 1f732ba568f..996d063c40c 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -157,15 +157,21 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 adpa;
+	u32 adpa, temp;
 	bool ret;
 
-	adpa = I915_READ(PCH_ADPA);
+	temp = adpa = I915_READ(PCH_ADPA);
 
-	adpa &= ~ADPA_CRT_HOTPLUG_MASK;
-	/* disable HPD first */
-	I915_WRITE(PCH_ADPA, adpa);
-	(void)I915_READ(PCH_ADPA);
+	if (HAS_PCH_CPT(dev)) {
+		/* Disable DAC before force detect */
+		I915_WRITE(PCH_ADPA, adpa & ~ADPA_DAC_ENABLE);
+		(void)I915_READ(PCH_ADPA);
+	} else {
+		adpa &= ~ADPA_CRT_HOTPLUG_MASK;
+		/* disable HPD first */
+		I915_WRITE(PCH_ADPA, adpa);
+		(void)I915_READ(PCH_ADPA);
+	}
 
 	adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 |
 			ADPA_CRT_HOTPLUG_WARMUP_10MS |
@@ -181,6 +187,11 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
 	while ((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) != 0)
 		;
 
+	if (HAS_PCH_CPT(dev)) {
+		I915_WRITE(PCH_ADPA, temp);
+		(void)I915_READ(PCH_ADPA);
+	}
+
 	/* Check the status to see if both blue and green are on now */
 	adpa = I915_READ(PCH_ADPA);
 	adpa &= ADPA_CRT_HOTPLUG_MONITOR_MASK;

From b3b095b3b2b052f3c665b0d9e3e551fb65062db3 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Wed, 7 Apr 2010 16:15:56 +0800
Subject: [PATCH 0402/3638] drm/i915: enable LVDS on Cougarpoint

Fix the transcoder select bit for LVDS on CPT.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_display.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 716ab9ea19b..606924ef65a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3492,10 +3492,17 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 		lvds = I915_READ(lvds_reg);
 		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
-		if (pipe == 1)
-			lvds |= LVDS_PIPEB_SELECT;
-		else
-			lvds &= ~LVDS_PIPEB_SELECT;
+		if (pipe == 1) {
+			if (HAS_PCH_CPT(dev))
+				lvds |= PORT_TRANS_B_SEL_CPT;
+			else
+				lvds |= LVDS_PIPEB_SELECT;
+		} else {
+			if (HAS_PCH_CPT(dev))
+				lvds &= ~PORT_TRANS_SEL_MASK;
+			else
+				lvds &= ~LVDS_PIPEB_SELECT;
+		}
 		/* set the corresponsding LVDS_BORDER bit */
 		lvds |= dev_priv->lvds_border_bits;
 		/* Set the B0-B3 data pairs corresponding to whether we're going to

From 0f229062a13204120dcd23168ad008e559bb1376 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Wed, 7 Apr 2010 16:15:57 +0800
Subject: [PATCH 0403/3638] drm/i915: enable HDMI on Cougarpoint

Fix transcoder select bit for HDMI on CPT.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_hdmi.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 78cb775be4d..5ff58021983 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -61,8 +61,12 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
 	if (hdmi_priv->has_hdmi_sink)
 		sdvox |= SDVO_AUDIO_ENABLE;
 
-	if (intel_crtc->pipe == 1)
-		sdvox |= SDVO_PIPE_B_SELECT;
+	if (intel_crtc->pipe == 1) {
+		if (HAS_PCH_CPT(dev))
+			sdvox |= PORT_TRANS_B_SEL_CPT;
+		else
+			sdvox |= SDVO_PIPE_B_SELECT;
+	}
 
 	I915_WRITE(hdmi_priv->sdvox_reg, sdvox);
 	POSTING_READ(hdmi_priv->sdvox_reg);

From e3421a189447c0b8cd0aff5c299f53b5ab7c38f6 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Thu, 8 Apr 2010 09:43:27 +0800
Subject: [PATCH 0404/3638] drm/i915: enable DP/eDP for Sandybridge/Cougarpoint

DP on Cougarpoint has new training pattern definitions, and
new transcoder DP control register is used to determine the mapping
for transcoder and DP digital output. And eDP for Sandybridge has
new voltage and pre-emphasis level definitions.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_drv.h      |   1 +
 drivers/gpu/drm/i915/intel_display.c |  41 +++++++++
 drivers/gpu/drm/i915/intel_dp.c      | 131 +++++++++++++++++++++++----
 3 files changed, 154 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 6ffabab3bb6..790fef32afe 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1001,6 +1001,7 @@ extern void i8xx_disable_fbc(struct drm_device *dev);
 extern void g4x_disable_fbc(struct drm_device *dev);
 
 extern void intel_detect_pch (struct drm_device *dev);
+extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
 
 /**
  * Lock test for when it's just for synchronization of ring access.
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 606924ef65a..1a7c7ac66ef 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1893,6 +1893,39 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 			/* wait one idle pattern time */
 			udelay(100);
 
+			/* For PCH DP, enable TRANS_DP_CTL */
+			if (HAS_PCH_CPT(dev) &&
+			    intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
+				int trans_dp_ctl = (pipe == 0) ? TRANS_DP_CTL_A : TRANS_DP_CTL_B;
+				int reg;
+
+				reg = I915_READ(trans_dp_ctl);
+				reg &= ~TRANS_DP_PORT_SEL_MASK;
+				reg = TRANS_DP_OUTPUT_ENABLE |
+				      TRANS_DP_ENH_FRAMING |
+				      TRANS_DP_VSYNC_ACTIVE_HIGH |
+				      TRANS_DP_HSYNC_ACTIVE_HIGH;
+
+				switch (intel_trans_dp_port_sel(crtc)) {
+				case PCH_DP_B:
+					reg |= TRANS_DP_PORT_SEL_B;
+					break;
+				case PCH_DP_C:
+					reg |= TRANS_DP_PORT_SEL_C;
+					break;
+				case PCH_DP_D:
+					reg |= TRANS_DP_PORT_SEL_D;
+					break;
+				default:
+					DRM_DEBUG_KMS("Wrong PCH DP port return. Guess port B\n");
+					reg |= TRANS_DP_PORT_SEL_B;
+					break;
+				}
+
+				I915_WRITE(trans_dp_ctl, reg);
+				POSTING_READ(trans_dp_ctl);
+			}
+
 			/* enable PCH transcoder */
 			temp = I915_READ(transconf_reg);
 			/*
@@ -2030,6 +2063,14 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 		udelay(100);
 
 		if (HAS_PCH_CPT(dev)) {
+			/* disable TRANS_DP_CTL */
+			int trans_dp_ctl = (pipe == 0) ? TRANS_DP_CTL_A : TRANS_DP_CTL_B;
+			int reg;
+
+			reg = I915_READ(trans_dp_ctl);
+			reg &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK);
+			I915_WRITE(trans_dp_ctl, reg);
+			POSTING_READ(trans_dp_ctl);
 
 			/* disable DPLL_SEL */
 			temp = I915_READ(PCH_DPLL_SEL);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8f2dd65abac..a0e18b01612 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -221,19 +221,27 @@ intel_dp_aux_ch(struct intel_encoder *intel_encoder,
 	uint32_t ctl;
 	uint32_t status;
 	uint32_t aux_clock_divider;
-	int try;
+	int try, precharge;
 
 	/* The clock divider is based off the hrawclk,
 	 * and would like to run at 2MHz. So, take the
 	 * hrawclk value and divide by 2 and use that
 	 */
-	if (IS_eDP(intel_encoder))
-		aux_clock_divider = 225; /* eDP input clock at 450Mhz */
-	else if (HAS_PCH_SPLIT(dev))
+	if (IS_eDP(intel_encoder)) {
+		if (IS_GEN6(dev))
+			aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */
+		else
+			aux_clock_divider = 225; /* eDP input clock at 450Mhz */
+	} else if (HAS_PCH_SPLIT(dev))
 		aux_clock_divider = 62; /* IRL input clock fixed at 125Mhz */
 	else
 		aux_clock_divider = intel_hrawclk(dev) / 2;
 
+	if (IS_GEN6(dev))
+		precharge = 3;
+	else
+		precharge = 5;
+
 	/* Must try at least 3 times according to DP spec */
 	for (try = 0; try < 5; try++) {
 		/* Load the send data into the aux channel data registers */
@@ -246,7 +254,7 @@ intel_dp_aux_ch(struct intel_encoder *intel_encoder,
 		ctl = (DP_AUX_CH_CTL_SEND_BUSY |
 		       DP_AUX_CH_CTL_TIME_OUT_400us |
 		       (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
-		       (5 << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) |
+		       (precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) |
 		       (aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT) |
 		       DP_AUX_CH_CTL_DONE |
 		       DP_AUX_CH_CTL_TIME_OUT_ERROR |
@@ -623,17 +631,22 @@ static void
 intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		  struct drm_display_mode *adjusted_mode)
 {
+	struct drm_device *dev = encoder->dev;
 	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	struct drm_crtc *crtc = intel_encoder->enc.crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
-	dp_priv->DP = (DP_LINK_TRAIN_OFF |
-			DP_VOLTAGE_0_4 |
+	dp_priv->DP = (DP_VOLTAGE_0_4 |
 			DP_PRE_EMPHASIS_0 |
 			DP_SYNC_VS_HIGH |
 			DP_SYNC_HS_HIGH);
 
+	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+		dp_priv->DP |= DP_LINK_TRAIN_OFF_CPT;
+	else
+		dp_priv->DP |= DP_LINK_TRAIN_OFF;
+
 	switch (dp_priv->lane_count) {
 	case 1:
 		dp_priv->DP |= DP_PORT_WIDTH_1;
@@ -661,7 +674,8 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		dp_priv->DP |= DP_ENHANCED_FRAMING;
 	}
 
-	if (intel_crtc->pipe == 1)
+	/* CPT DP's pipe select is decided in TRANS_DP_CTL */
+	if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev))
 		dp_priv->DP |= DP_PIPEB_SELECT;
 
 	if (IS_eDP(intel_encoder)) {
@@ -875,6 +889,25 @@ intel_dp_signal_levels(uint8_t train_set, int lane_count)
 	return signal_levels;
 }
 
+/* Gen6's DP voltage swing and pre-emphasis control */
+static uint32_t
+intel_gen6_edp_signal_levels(uint8_t train_set)
+{
+	switch (train_set & (DP_TRAIN_VOLTAGE_SWING_MASK|DP_TRAIN_PRE_EMPHASIS_MASK)) {
+	case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0:
+		return EDP_LINK_TRAIN_400MV_0DB_SNB_B;
+	case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6:
+		return EDP_LINK_TRAIN_400MV_6DB_SNB_B;
+	case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_3_5:
+		return EDP_LINK_TRAIN_600MV_3_5DB_SNB_B;
+	case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_0:
+		return EDP_LINK_TRAIN_800MV_0DB_SNB_B;
+	default:
+		DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level\n");
+		return EDP_LINK_TRAIN_400MV_0DB_SNB_B;
+	}
+}
+
 static uint8_t
 intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
 		      int lane)
@@ -968,23 +1001,38 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 	bool channel_eq = false;
 	bool first = true;
 	int tries;
+	u32 reg;
 
 	/* Write the link configuration data */
 	intel_dp_aux_native_write(intel_encoder, 0x100,
 				  link_configuration, DP_LINK_CONFIGURATION_SIZE);
 
 	DP |= DP_PORT_EN;
-	DP &= ~DP_LINK_TRAIN_MASK;
+	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+		DP &= ~DP_LINK_TRAIN_MASK_CPT;
+	else
+		DP &= ~DP_LINK_TRAIN_MASK;
 	memset(train_set, 0, 4);
 	voltage = 0xff;
 	tries = 0;
 	clock_recovery = false;
 	for (;;) {
 		/* Use train_set[0] to set the voltage and pre emphasis values */
-		uint32_t    signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count);
-		DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
+		uint32_t    signal_levels;
+		if (IS_GEN6(dev) && IS_eDP(intel_encoder)) {
+			signal_levels = intel_gen6_edp_signal_levels(train_set[0]);
+			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
+		} else {
+			signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count);
+			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
+		}
 
-		if (!intel_dp_set_link_train(intel_encoder, DP | DP_LINK_TRAIN_PAT_1,
+		if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+			reg = DP | DP_LINK_TRAIN_PAT_1_CPT;
+		else
+			reg = DP | DP_LINK_TRAIN_PAT_1;
+
+		if (!intel_dp_set_link_train(intel_encoder, reg,
 					     DP_TRAINING_PATTERN_1, train_set, first))
 			break;
 		first = false;
@@ -1024,11 +1072,23 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 	channel_eq = false;
 	for (;;) {
 		/* Use train_set[0] to set the voltage and pre emphasis values */
-		uint32_t    signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count);
-		DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
+		uint32_t    signal_levels;
+
+		if (IS_GEN6(dev) && IS_eDP(intel_encoder)) {
+			signal_levels = intel_gen6_edp_signal_levels(train_set[0]);
+			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
+		} else {
+			signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count);
+			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
+		}
+
+		if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+			reg = DP | DP_LINK_TRAIN_PAT_2_CPT;
+		else
+			reg = DP | DP_LINK_TRAIN_PAT_2;
 
 		/* channel eq pattern */
-		if (!intel_dp_set_link_train(intel_encoder, DP | DP_LINK_TRAIN_PAT_2,
+		if (!intel_dp_set_link_train(intel_encoder, reg,
 					     DP_TRAINING_PATTERN_2, train_set,
 					     false))
 			break;
@@ -1051,7 +1111,12 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 		++tries;
 	}
 
-	I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_OFF);
+	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+		reg = DP | DP_LINK_TRAIN_OFF_CPT;
+	else
+		reg = DP | DP_LINK_TRAIN_OFF;
+
+	I915_WRITE(dp_priv->output_reg, reg);
 	POSTING_READ(dp_priv->output_reg);
 	intel_dp_aux_native_write_1(intel_encoder,
 				    DP_TRAINING_PATTERN_SET, DP_TRAINING_PATTERN_DISABLE);
@@ -1073,9 +1138,15 @@ intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP)
 		udelay(100);
 	}
 
-	DP &= ~DP_LINK_TRAIN_MASK;
-	I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE);
-	POSTING_READ(dp_priv->output_reg);
+	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder)) {
+		DP &= ~DP_LINK_TRAIN_MASK_CPT;
+		I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
+		POSTING_READ(dp_priv->output_reg);
+	} else {
+		DP &= ~DP_LINK_TRAIN_MASK;
+		I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE);
+		POSTING_READ(dp_priv->output_reg);
+	}
 
 	udelay(17000);
 
@@ -1268,6 +1339,28 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder)
 		intel_dp_check_link_status(intel_encoder);
 }
 
+/* Return which DP Port should be selected for Transcoder DP control */
+int
+intel_trans_dp_port_sel (struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_mode_config *mode_config = &dev->mode_config;
+	struct drm_encoder *encoder;
+	struct intel_encoder *intel_encoder = NULL;
+
+	list_for_each_entry(encoder, &mode_config->encoder_list, head) {
+		if (!encoder || encoder->crtc != crtc)
+			continue;
+
+		intel_encoder = enc_to_intel_encoder(encoder);
+		if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) {
+			struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
+			return dp_priv->output_reg;
+		}
+	}
+	return -1;
+}
+
 void
 intel_dp_init(struct drm_device *dev, int output_reg)
 {

From ab00a9ef8d4ce7de4d5b15cbf4101feeb8cf7f4d Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 5 Apr 2010 17:58:00 -0400
Subject: [PATCH 0405/3638] drm/i915: Un-magic a DPCD register write

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index a0e18b01612..fee54169493 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1004,7 +1004,7 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 	u32 reg;
 
 	/* Write the link configuration data */
-	intel_dp_aux_native_write(intel_encoder, 0x100,
+	intel_dp_aux_native_write(intel_encoder, DP_LINK_BW_SET,
 				  link_configuration, DP_LINK_CONFIGURATION_SIZE);
 
 	DP |= DP_PORT_EN;

From 9c9e792795f96d201d85188607261f9f8bbf3219 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 5 Apr 2010 17:57:59 -0400
Subject: [PATCH 0406/3638] drm/i915: Set sync polarity correctly on
 DisplayPort

Probably only matters for format-converting dongles, but might as well
get it right all the time.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_dp.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index fee54169493..79625bd9361 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -638,9 +638,12 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
 	dp_priv->DP = (DP_VOLTAGE_0_4 |
-			DP_PRE_EMPHASIS_0 |
-			DP_SYNC_VS_HIGH |
-			DP_SYNC_HS_HIGH);
+		       DP_PRE_EMPHASIS_0);
+
+	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+		dp_priv->DP |= DP_SYNC_HS_HIGH;
+	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+		dp_priv->DP |= DP_SYNC_VS_HIGH;
 
 	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
 		dp_priv->DP |= DP_LINK_TRAIN_OFF_CPT;

From 454c1ca8be2f30cc4b21a20d1b6a69c442f2d8bd Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 15:53:23 +0800
Subject: [PATCH 0407/3638] drm/i915: convert VGA driver to new
 encoder/connector structure

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_crt.c | 35 ++++++++++++++++++++------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 996d063c40c..d7a1d9d58d0 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -261,9 +261,9 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
 	return false;
 }
 
-static bool intel_crt_detect_ddc(struct drm_connector *connector)
+static bool intel_crt_detect_ddc(struct drm_encoder *encoder)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 
 	/* CRT should always be at 0, but check anyway */
 	if (intel_encoder->type != INTEL_OUTPUT_ANALOG)
@@ -403,8 +403,8 @@ intel_crt_load_detect(struct drm_crtc *crtc, struct intel_encoder *intel_encoder
 static enum drm_connector_status intel_crt_detect(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct drm_encoder *encoder = &intel_encoder->enc;
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct drm_crtc *crtc;
 	int dpms_mode;
 	enum drm_connector_status status;
@@ -416,7 +416,7 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
 			return connector_status_disconnected;
 	}
 
-	if (intel_crt_detect_ddc(connector))
+	if (intel_crt_detect_ddc(encoder))
 		return connector_status_connected;
 
 	/* for pre-945g platforms use load detect */
@@ -438,9 +438,6 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
 
 static void intel_crt_destroy(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-
-	intel_i2c_destroy(intel_encoder->ddc_bus);
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
 	kfree(connector);
@@ -449,7 +446,8 @@ static void intel_crt_destroy(struct drm_connector *connector)
 static int intel_crt_get_modes(struct drm_connector *connector)
 {
 	int ret;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct i2c_adapter *ddc_bus;
 	struct drm_device *dev = connector->dev;
 
@@ -505,12 +503,16 @@ static const struct drm_connector_funcs intel_crt_connector_funcs = {
 static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = {
 	.mode_valid = intel_crt_mode_valid,
 	.get_modes = intel_crt_get_modes,
-	.best_encoder = intel_best_encoder,
+	.best_encoder = intel_attached_encoder,
 };
 
 static void intel_crt_enc_destroy(struct drm_encoder *encoder)
 {
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+
+	intel_i2c_destroy(intel_encoder->ddc_bus);
 	drm_encoder_cleanup(encoder);
+	kfree(intel_encoder);
 }
 
 static const struct drm_encoder_funcs intel_crt_enc_funcs = {
@@ -521,6 +523,7 @@ void intel_crt_init(struct drm_device *dev)
 {
 	struct drm_connector *connector;
 	struct intel_encoder *intel_encoder;
+	struct intel_connector *intel_connector;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 i2c_reg;
 
@@ -528,14 +531,20 @@ void intel_crt_init(struct drm_device *dev)
 	if (!intel_encoder)
 		return;
 
-	connector = &intel_encoder->base;
-	drm_connector_init(dev, &intel_encoder->base,
+	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
+	if (!intel_connector) {
+		kfree(intel_encoder);
+		return;
+	}
+
+	connector = &intel_connector->base;
+	drm_connector_init(dev, &intel_connector->base,
 			   &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
 
 	drm_encoder_init(dev, &intel_encoder->enc, &intel_crt_enc_funcs,
 			 DRM_MODE_ENCODER_DAC);
 
-	drm_mode_connector_attach_encoder(&intel_encoder->base,
+	drm_mode_connector_attach_encoder(&intel_connector->base,
 					  &intel_encoder->enc);
 
 	/* Set up the DDC bus. */

From bb8a356088db8a2a50365d417a71ac9e83b9b530 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 16:40:50 +0800
Subject: [PATCH 0408/3638] drm/i915: convert LVDS driver to new
 encoder/connector structure

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_lvds.c | 34 +++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index a69de00320b..a5d61d3273d 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -565,7 +565,8 @@ static enum drm_connector_status intel_lvds_detect(struct drm_connector *connect
 static int intel_lvds_get_modes(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int ret = 0;
 
@@ -647,11 +648,8 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
 static void intel_lvds_destroy(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	if (intel_encoder->ddc_bus)
-		intel_i2c_destroy(intel_encoder->ddc_bus);
 	if (dev_priv->lid_notifier.notifier_call)
 		acpi_lid_notifier_unregister(&dev_priv->lid_notifier);
 	drm_sysfs_connector_remove(connector);
@@ -664,13 +662,14 @@ static int intel_lvds_set_property(struct drm_connector *connector,
 				   uint64_t value)
 {
 	struct drm_device *dev = connector->dev;
-	struct intel_encoder *intel_encoder =
-			to_intel_encoder(connector);
 
 	if (property == dev->mode_config.scaling_mode_property &&
 				connector->encoder) {
 		struct drm_crtc *crtc = connector->encoder->crtc;
+		struct drm_encoder *encoder = connector->encoder;
+		struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 		struct intel_lvds_priv *lvds_priv = intel_encoder->dev_priv;
+
 		if (value == DRM_MODE_SCALE_NONE) {
 			DRM_DEBUG_KMS("no scaling not supported\n");
 			return 0;
@@ -704,7 +703,7 @@ static const struct drm_encoder_helper_funcs intel_lvds_helper_funcs = {
 static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs = {
 	.get_modes = intel_lvds_get_modes,
 	.mode_valid = intel_lvds_mode_valid,
-	.best_encoder = intel_best_encoder,
+	.best_encoder = intel_attached_encoder,
 };
 
 static const struct drm_connector_funcs intel_lvds_connector_funcs = {
@@ -718,7 +717,12 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = {
 
 static void intel_lvds_enc_destroy(struct drm_encoder *encoder)
 {
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+
+	if (intel_encoder->ddc_bus)
+		intel_i2c_destroy(intel_encoder->ddc_bus);
 	drm_encoder_cleanup(encoder);
+	kfree(intel_encoder);
 }
 
 static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
@@ -907,6 +911,7 @@ void intel_lvds_init(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_encoder *intel_encoder;
+	struct intel_connector *intel_connector;
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
 	struct drm_display_mode *scan; /* *modes, *bios_mode; */
@@ -940,15 +945,21 @@ void intel_lvds_init(struct drm_device *dev)
 		return;
 	}
 
-	connector = &intel_encoder->base;
+	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
+	if (!intel_connector) {
+		kfree(intel_encoder);
+		return;
+	}
+
+	connector = &intel_connector->base;
 	encoder = &intel_encoder->enc;
-	drm_connector_init(dev, &intel_encoder->base, &intel_lvds_connector_funcs,
+	drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs,
 			   DRM_MODE_CONNECTOR_LVDS);
 
 	drm_encoder_init(dev, &intel_encoder->enc, &intel_lvds_enc_funcs,
 			 DRM_MODE_ENCODER_LVDS);
 
-	drm_mode_connector_attach_encoder(&intel_encoder->base, &intel_encoder->enc);
+	drm_mode_connector_attach_encoder(&intel_connector->base, &intel_encoder->enc);
 	intel_encoder->type = INTEL_OUTPUT_LVDS;
 
 	intel_encoder->clone_mask = (1 << INTEL_LVDS_CLONE_BIT);
@@ -969,7 +980,7 @@ void intel_lvds_init(struct drm_device *dev)
 	 * the initial panel fitting mode will be FULL_SCREEN.
 	 */
 
-	drm_connector_attach_property(&intel_encoder->base,
+	drm_connector_attach_property(&intel_connector->base,
 				      dev->mode_config.scaling_mode_property,
 				      DRM_MODE_SCALE_FULLSCREEN);
 	lvds_priv->fitting_mode = DRM_MODE_SCALE_FULLSCREEN;
@@ -1081,4 +1092,5 @@ failed:
 	drm_connector_cleanup(connector);
 	drm_encoder_cleanup(encoder);
 	kfree(intel_encoder);
+	kfree(intel_connector);
 }

From 674e2d0885e009c078d89f789f28f63374a4f337 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 15:57:42 +0800
Subject: [PATCH 0409/3638] drm/i915: convert HDMI driver to new
 encoder/connector structure

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_hdmi.c | 36 ++++++++++++++++++++-----------
 1 file changed, 24 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 5ff58021983..fd9544852d3 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -132,13 +132,14 @@ static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
 static enum drm_connector_status
 intel_hdmi_detect(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_hdmi_priv *hdmi_priv = intel_encoder->dev_priv;
 	struct edid *edid = NULL;
 	enum drm_connector_status status = connector_status_disconnected;
 
 	hdmi_priv->has_hdmi_sink = false;
-	edid = drm_get_edid(&intel_encoder->base,
+	edid = drm_get_edid(connector,
 			    intel_encoder->ddc_bus);
 
 	if (edid) {
@@ -146,7 +147,7 @@ intel_hdmi_detect(struct drm_connector *connector)
 			status = connector_status_connected;
 			hdmi_priv->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
 		}
-		intel_encoder->base.display_info.raw_edid = NULL;
+		connector->display_info.raw_edid = NULL;
 		kfree(edid);
 	}
 
@@ -155,7 +156,8 @@ intel_hdmi_detect(struct drm_connector *connector)
 
 static int intel_hdmi_get_modes(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 
 	/* We should parse the EDID data and find out if it's an HDMI sink so
 	 * we can send audio to it.
@@ -166,13 +168,9 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
 
 static void intel_hdmi_destroy(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-
-	if (intel_encoder->i2c_bus)
-		intel_i2c_destroy(intel_encoder->i2c_bus);
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
-	kfree(intel_encoder);
+	kfree(connector);
 }
 
 static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
@@ -193,12 +191,17 @@ static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
 static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = {
 	.get_modes = intel_hdmi_get_modes,
 	.mode_valid = intel_hdmi_mode_valid,
-	.best_encoder = intel_best_encoder,
+	.best_encoder = intel_attached_encoder,
 };
 
 static void intel_hdmi_enc_destroy(struct drm_encoder *encoder)
 {
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+
+	if (intel_encoder->i2c_bus)
+		intel_i2c_destroy(intel_encoder->i2c_bus);
 	drm_encoder_cleanup(encoder);
+	kfree(intel_encoder);
 }
 
 static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
@@ -210,15 +213,23 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_connector *connector;
 	struct intel_encoder *intel_encoder;
+	struct intel_connector *intel_connector;
 	struct intel_hdmi_priv *hdmi_priv;
 
 	intel_encoder = kcalloc(sizeof(struct intel_encoder) +
 			       sizeof(struct intel_hdmi_priv), 1, GFP_KERNEL);
 	if (!intel_encoder)
 		return;
+
+	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
+	if (!intel_connector) {
+		kfree(intel_encoder);
+		return;
+	}
+
 	hdmi_priv = (struct intel_hdmi_priv *)(intel_encoder + 1);
 
-	connector = &intel_encoder->base;
+	connector = &intel_connector->base;
 	drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
 			   DRM_MODE_CONNECTOR_HDMIA);
 	drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs);
@@ -264,7 +275,7 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 			 DRM_MODE_ENCODER_TMDS);
 	drm_encoder_helper_add(&intel_encoder->enc, &intel_hdmi_helper_funcs);
 
-	drm_mode_connector_attach_encoder(&intel_encoder->base,
+	drm_mode_connector_attach_encoder(&intel_connector->base,
 					  &intel_encoder->enc);
 	drm_sysfs_connector_add(connector);
 
@@ -282,6 +293,7 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 err_connector:
 	drm_connector_cleanup(connector);
 	kfree(intel_encoder);
+	kfree(intel_connector);
 
 	return;
 }

From 55f78c43598dbfbce09034b463ed2abc72f1420d Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 16:13:57 +0800
Subject: [PATCH 0410/3638] drm/i915: convert DP/eDP driver to new
 encoder/connector structure

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_display.c |  6 +--
 drivers/gpu/drm/i915/intel_dp.c      | 70 +++++++++++++++++-----------
 2 files changed, 45 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 1a7c7ac66ef..e4dd16296fa 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3138,7 +3138,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	bool is_edp = false;
 	struct drm_mode_config *mode_config = &dev->mode_config;
 	struct drm_encoder *encoder;
-	struct intel_encoder *intel_encoder;
+	struct intel_encoder *intel_encoder = NULL;
 	const intel_limit_t *limit;
 	int ret;
 	struct fdi_m_n m_n = {0};
@@ -3264,10 +3264,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		/* eDP doesn't require FDI link, so just set DP M/N
 		   according to current link config */
 		if (is_edp) {
-			struct drm_connector *edp;
 			target_clock = mode->clock;
-			edp = intel_pipe_get_connector(crtc);
-			intel_edp_link_config(to_intel_encoder(edp),
+			intel_edp_link_config(intel_encoder,
 					&lane, &link_bw);
 		} else {
 			/* DP over FDI requires target mode clock
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 79625bd9361..480a5eef8a4 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -138,7 +138,8 @@ static int
 intel_dp_mode_valid(struct drm_connector *connector,
 		    struct drm_display_mode *mode)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_encoder));
 	int max_lanes = intel_dp_max_lane_count(intel_encoder);
 
@@ -212,7 +213,7 @@ intel_dp_aux_ch(struct intel_encoder *intel_encoder,
 {
 	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	uint32_t output_reg = dp_priv->output_reg;
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_device *dev = intel_encoder->enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	uint32_t ch_ctl = output_reg + 0x10;
 	uint32_t ch_data = ch_ctl + 4;
@@ -470,7 +471,8 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
 }
 
 static int
-intel_dp_i2c_init(struct intel_encoder *intel_encoder, const char *name)
+intel_dp_i2c_init(struct intel_encoder *intel_encoder,
+		  struct intel_connector *intel_connector, const char *name)
 {
 	struct intel_dp_priv   *dp_priv = intel_encoder->dev_priv;
 
@@ -485,7 +487,7 @@ intel_dp_i2c_init(struct intel_encoder *intel_encoder, const char *name)
 	strncpy (dp_priv->adapter.name, name, sizeof(dp_priv->adapter.name) - 1);
 	dp_priv->adapter.name[sizeof(dp_priv->adapter.name) - 1] = '\0';
 	dp_priv->adapter.algo_data = &dp_priv->algo;
-	dp_priv->adapter.dev.parent = &intel_encoder->base.kdev;
+	dp_priv->adapter.dev.parent = &intel_connector->base.kdev;
 	
 	return i2c_dp_aux_add_bus(&dp_priv->adapter);
 }
@@ -560,7 +562,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 {
 	struct drm_device *dev = crtc->dev;
 	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *connector;
+	struct drm_encoder *encoder;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int lane_count = 4;
@@ -569,13 +571,16 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	/*
 	 * Find the lane count in the intel_encoder private
 	 */
-	list_for_each_entry(connector, &mode_config->connector_list, head) {
-		struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-		struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
+	list_for_each_entry(encoder, &mode_config->encoder_list, head) {
+		struct intel_encoder *intel_encoder;
+		struct intel_dp_priv *dp_priv;
 
-		if (!connector->encoder || connector->encoder->crtc != crtc)
+		if (!encoder || encoder->crtc != crtc)
 			continue;
 
+		intel_encoder = enc_to_intel_encoder(encoder);
+		dp_priv = intel_encoder->dev_priv;
+
 		if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) {
 			lane_count = dp_priv->lane_count;
 			break;
@@ -718,7 +723,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 {
 	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	uint32_t dp_reg = I915_READ(dp_priv->output_reg);
 
@@ -967,7 +972,7 @@ intel_dp_set_link_train(struct intel_encoder *intel_encoder,
 			uint8_t train_set[4],
 			bool first)
 {
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_device *dev = intel_encoder->enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	int ret;
@@ -993,7 +998,7 @@ static void
 intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 		    uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE])
 {
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_device *dev = intel_encoder->enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	uint8_t	train_set[4];
@@ -1128,7 +1133,7 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 static void
 intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP)
 {
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_device *dev = intel_encoder->enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 
@@ -1189,7 +1194,8 @@ intel_dp_check_link_status(struct intel_encoder *intel_encoder)
 static enum drm_connector_status
 ironlake_dp_detect(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	enum drm_connector_status status;
 
@@ -1213,8 +1219,9 @@ ironlake_dp_detect(struct drm_connector *connector)
 static enum drm_connector_status
 intel_dp_detect(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+	struct drm_device *dev = intel_encoder->enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	uint32_t temp, bit;
@@ -1267,8 +1274,9 @@ intel_dp_detect(struct drm_connector *connector)
 
 static int intel_dp_get_modes(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+	struct drm_device *dev = intel_encoder->enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int ret;
 
@@ -1294,13 +1302,9 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 static void
 intel_dp_destroy (struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-
-	if (intel_encoder->i2c_bus)
-		intel_i2c_destroy(intel_encoder->i2c_bus);
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
-	kfree(intel_encoder);
+	kfree(connector);
 }
 
 static const struct drm_encoder_helper_funcs intel_dp_helper_funcs = {
@@ -1321,12 +1325,17 @@ static const struct drm_connector_funcs intel_dp_connector_funcs = {
 static const struct drm_connector_helper_funcs intel_dp_connector_helper_funcs = {
 	.get_modes = intel_dp_get_modes,
 	.mode_valid = intel_dp_mode_valid,
-	.best_encoder = intel_best_encoder,
+	.best_encoder = intel_attached_encoder,
 };
 
 static void intel_dp_enc_destroy(struct drm_encoder *encoder)
 {
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+
+	if (intel_encoder->i2c_bus)
+		intel_i2c_destroy(intel_encoder->i2c_bus);
 	drm_encoder_cleanup(encoder);
+	kfree(intel_encoder);
 }
 
 static const struct drm_encoder_funcs intel_dp_enc_funcs = {
@@ -1370,6 +1379,7 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_connector *connector;
 	struct intel_encoder *intel_encoder;
+	struct intel_connector *intel_connector;
 	struct intel_dp_priv *dp_priv;
 	const char *name = NULL;
 
@@ -1378,9 +1388,15 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 	if (!intel_encoder)
 		return;
 
+	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
+	if (!intel_connector) {
+		kfree(intel_encoder);
+		return;
+	}
+
 	dp_priv = (struct intel_dp_priv *)(intel_encoder + 1);
 
-	connector = &intel_encoder->base;
+	connector = &intel_connector->base;
 	drm_connector_init(dev, connector, &intel_dp_connector_funcs,
 			   DRM_MODE_CONNECTOR_DisplayPort);
 	drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
@@ -1414,7 +1430,7 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 			 DRM_MODE_ENCODER_TMDS);
 	drm_encoder_helper_add(&intel_encoder->enc, &intel_dp_helper_funcs);
 
-	drm_mode_connector_attach_encoder(&intel_encoder->base,
+	drm_mode_connector_attach_encoder(&intel_connector->base,
 					  &intel_encoder->enc);
 	drm_sysfs_connector_add(connector);
 
@@ -1443,7 +1459,7 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 			break;
 	}
 
-	intel_dp_i2c_init(intel_encoder, name);
+	intel_dp_i2c_init(intel_encoder, intel_connector, name);
 
 	intel_encoder->ddc_bus = &dp_priv->adapter;
 	intel_encoder->hot_plug = intel_dp_hot_plug;

From 599be16c6ef70f349edaef43a0ee2712c1af7328 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 16:17:31 +0800
Subject: [PATCH 0411/3638] drm/i915: convert DVO driver to new
 encoder/connector structure

Also remove old UMS copied code for get_crtc.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_dvo.c | 70 ++++++++++++++++----------------
 1 file changed, 34 insertions(+), 36 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 1bf6697061b..835a4cf4ee4 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -98,7 +98,8 @@ static void intel_dvo_dpms(struct drm_encoder *encoder, int mode)
 static int intel_dvo_mode_valid(struct drm_connector *connector,
 				struct drm_display_mode *mode)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
 
 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
@@ -211,7 +212,8 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder,
  */
 static enum drm_connector_status intel_dvo_detect(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
 
 	return dvo->dev_ops->detect(dvo);
@@ -219,7 +221,8 @@ static enum drm_connector_status intel_dvo_detect(struct drm_connector *connecto
 
 static int intel_dvo_get_modes(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
 
 	/* We should probably have an i2c driver get_modes function for those
@@ -245,39 +248,11 @@ static int intel_dvo_get_modes(struct drm_connector *connector)
 
 static void intel_dvo_destroy (struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
-
-	if (dvo) {
-		if (dvo->dev_ops->destroy)
-			dvo->dev_ops->destroy(dvo);
-		if (dvo->panel_fixed_mode)
-			kfree(dvo->panel_fixed_mode);
-		/* no need, in i830_dvoices[] now */
-		//kfree(dvo);
-	}
-	if (intel_encoder->i2c_bus)
-		intel_i2c_destroy(intel_encoder->i2c_bus);
-	if (intel_encoder->ddc_bus)
-		intel_i2c_destroy(intel_encoder->ddc_bus);
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
-	kfree(intel_encoder);
+	kfree(connector);
 }
 
-#ifdef RANDR_GET_CRTC_INTERFACE
-static struct drm_crtc *intel_dvo_get_crtc(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
-	int pipe = !!(I915_READ(dvo->dvo_reg) & SDVO_PIPE_B_SELECT);
-
-	return intel_pipe_to_crtc(pScrn, pipe);
-}
-#endif
-
 static const struct drm_encoder_helper_funcs intel_dvo_helper_funcs = {
 	.dpms = intel_dvo_dpms,
 	.mode_fixup = intel_dvo_mode_fixup,
@@ -296,12 +271,26 @@ static const struct drm_connector_funcs intel_dvo_connector_funcs = {
 static const struct drm_connector_helper_funcs intel_dvo_connector_helper_funcs = {
 	.mode_valid = intel_dvo_mode_valid,
 	.get_modes = intel_dvo_get_modes,
-	.best_encoder = intel_best_encoder,
+	.best_encoder = intel_attached_encoder,
 };
 
 static void intel_dvo_enc_destroy(struct drm_encoder *encoder)
 {
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
+
+	if (dvo) {
+		if (dvo->dev_ops->destroy)
+			dvo->dev_ops->destroy(dvo);
+		if (dvo->panel_fixed_mode)
+			kfree(dvo->panel_fixed_mode);
+	}
+	if (intel_encoder->i2c_bus)
+		intel_i2c_destroy(intel_encoder->i2c_bus);
+	if (intel_encoder->ddc_bus)
+		intel_i2c_destroy(intel_encoder->ddc_bus);
 	drm_encoder_cleanup(encoder);
+	kfree(intel_encoder);
 }
 
 static const struct drm_encoder_funcs intel_dvo_enc_funcs = {
@@ -320,7 +309,8 @@ intel_dvo_get_current_mode (struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
 	uint32_t dvo_reg = dvo->dvo_reg;
 	uint32_t dvo_val = I915_READ(dvo_reg);
@@ -352,6 +342,7 @@ intel_dvo_get_current_mode (struct drm_connector *connector)
 void intel_dvo_init(struct drm_device *dev)
 {
 	struct intel_encoder *intel_encoder;
+	struct intel_connector *intel_connector;
 	struct intel_dvo_device *dvo;
 	struct i2c_adapter *i2cbus = NULL;
 	int ret = 0;
@@ -361,6 +352,12 @@ void intel_dvo_init(struct drm_device *dev)
 	if (!intel_encoder)
 		return;
 
+	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
+	if (!intel_connector) {
+		kfree(intel_encoder);
+		return;
+	}
+
 	/* Set up the DDC bus */
 	intel_encoder->ddc_bus = intel_i2c_create(dev, GPIOD, "DVODDC_D");
 	if (!intel_encoder->ddc_bus)
@@ -368,7 +365,7 @@ void intel_dvo_init(struct drm_device *dev)
 
 	/* Now, try to find a controller */
 	for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {
-		struct drm_connector *connector = &intel_encoder->base;
+		struct drm_connector *connector = &intel_connector->base;
 		int gpio;
 
 		dvo = &intel_dvo_devices[i];
@@ -439,7 +436,7 @@ void intel_dvo_init(struct drm_device *dev)
 		drm_encoder_helper_add(&intel_encoder->enc,
 				       &intel_dvo_helper_funcs);
 
-		drm_mode_connector_attach_encoder(&intel_encoder->base,
+		drm_mode_connector_attach_encoder(&intel_connector->base,
 						  &intel_encoder->enc);
 		if (dvo->type == INTEL_DVO_CHIP_LVDS) {
 			/* For our LVDS chipsets, we should hopefully be able
@@ -464,4 +461,5 @@ void intel_dvo_init(struct drm_device *dev)
 		intel_i2c_destroy(i2cbus);
 free_intel:
 	kfree(intel_encoder);
+	kfree(intel_connector);
 }

From d2a82a6f1b5b1b90154c410674a889c9133ed029 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 21:22:55 +0800
Subject: [PATCH 0412/3638] drm/i915: convert SDVO driver to new
 encoder/connector structure

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sdvo.c | 160 ++++++++++++++++++------------
 1 file changed, 94 insertions(+), 66 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 5534704c151..602056a88dd 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -156,7 +156,9 @@ struct intel_sdvo_priv {
 };
 
 static bool
-intel_sdvo_output_setup(struct intel_encoder *intel_encoder, uint16_t flags);
+intel_sdvo_output_setup(struct intel_encoder *intel_encoder,
+			struct intel_connector *intel_connector,
+			uint16_t flags);
 
 /**
  * Writes the SDVOB or SDVOC with the given value, but always writes both
@@ -165,7 +167,7 @@ intel_sdvo_output_setup(struct intel_encoder *intel_encoder, uint16_t flags);
  */
 static void intel_sdvo_write_sdvox(struct intel_encoder *intel_encoder, u32 val)
 {
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_device *dev = intel_encoder->enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_sdvo_priv   *sdvo_priv = intel_encoder->dev_priv;
 	u32 bval = val, cval = val;
@@ -1292,7 +1294,8 @@ static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
 static int intel_sdvo_mode_valid(struct drm_connector *connector,
 				 struct drm_display_mode *mode)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 
 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
@@ -1330,6 +1333,8 @@ static bool intel_sdvo_get_capabilities(struct intel_encoder *intel_encoder, str
 	return true;
 }
 
+/* No use! */
+#if 0
 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
 {
 	struct drm_connector *connector = NULL;
@@ -1400,6 +1405,7 @@ void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
 	intel_sdvo_write_cmd(intel_encoder, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
 	intel_sdvo_read_response(intel_encoder, &response, 2);
 }
+#endif
 
 static bool
 intel_sdvo_multifunc_encoder(struct intel_encoder *intel_encoder)
@@ -1438,12 +1444,17 @@ static struct drm_connector *
 intel_find_analog_connector(struct drm_device *dev)
 {
 	struct drm_connector *connector;
+	struct drm_encoder *encoder;
 	struct intel_encoder *intel_encoder;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		intel_encoder = to_intel_encoder(connector);
-		if (intel_encoder->type == INTEL_OUTPUT_ANALOG)
-			return connector;
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		intel_encoder = enc_to_intel_encoder(encoder);
+		if (intel_encoder->type == INTEL_OUTPUT_ANALOG) {
+			list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+				if (connector && encoder == intel_attached_encoder(connector))
+					return connector;
+			}
+		}
 	}
 	return NULL;
 }
@@ -1467,12 +1478,13 @@ intel_analog_is_connected(struct drm_device *dev)
 enum drm_connector_status
 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 	enum drm_connector_status status = connector_status_connected;
 	struct edid *edid = NULL;
 
-	edid = drm_get_edid(&intel_encoder->base,
+	edid = drm_get_edid(connector,
 			    intel_encoder->ddc_bus);
 
 	/* This is only applied to SDVO cards with multiple outputs */
@@ -1486,7 +1498,7 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
 		 */
 		while(temp_ddc > 1) {
 			sdvo_priv->ddc_bus = temp_ddc;
-			edid = drm_get_edid(&intel_encoder->base,
+			edid = drm_get_edid(connector,
 				intel_encoder->ddc_bus);
 			if (edid) {
 				/*
@@ -1506,8 +1518,8 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
 	 */
 	if (edid == NULL &&
 	    sdvo_priv->analog_ddc_bus &&
-	    !intel_analog_is_connected(intel_encoder->base.dev))
-		edid = drm_get_edid(&intel_encoder->base,
+	    !intel_analog_is_connected(connector->dev))
+		edid = drm_get_edid(connector,
 				    sdvo_priv->analog_ddc_bus);
 	if (edid != NULL) {
 		/* Don't report the output as connected if it's a DVI-I
@@ -1522,7 +1534,7 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
 		}
 
 		kfree(edid);
-		intel_encoder->base.display_info.raw_edid = NULL;
+		connector->display_info.raw_edid = NULL;
 
 	} else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
 		status = connector_status_disconnected;
@@ -1534,7 +1546,9 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
 {
 	uint16_t response;
 	u8 status;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 
 	intel_sdvo_write_cmd(intel_encoder,
@@ -1556,7 +1570,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
 	if (intel_sdvo_multifunc_encoder(intel_encoder) &&
 		sdvo_priv->attached_output != response) {
 		if (sdvo_priv->controlled_output != response &&
-			intel_sdvo_output_setup(intel_encoder, response) != true)
+			intel_sdvo_output_setup(intel_encoder, intel_connector,
+						response) != true)
 			return connector_status_unknown;
 		sdvo_priv->attached_output = response;
 	}
@@ -1565,7 +1580,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
 
 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 	int num_modes;
 
@@ -1580,7 +1596,7 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
 	 */
 	if (num_modes == 0 &&
 	    sdvo_priv->analog_ddc_bus &&
-	    !intel_analog_is_connected(intel_encoder->base.dev)) {
+	    !intel_analog_is_connected(connector->dev)) {
 		/* Switch to the analog ddc bus and try that
 		 */
 		(void) intel_ddc_get_modes(connector, sdvo_priv->analog_ddc_bus);
@@ -1654,8 +1670,9 @@ struct drm_display_mode sdvo_tv_modes[] = {
 
 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
 {
-	struct intel_encoder *output = to_intel_encoder(connector);
-	struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 	struct intel_sdvo_sdtv_resolution_request tv_res;
 	uint32_t reply = 0, format_map = 0;
 	int i;
@@ -1675,11 +1692,11 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
 	       sizeof(format_map) ? sizeof(format_map) :
 	       sizeof(struct intel_sdvo_sdtv_resolution_request));
 
-	intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
+	intel_sdvo_set_target_output(intel_encoder, sdvo_priv->controlled_output);
 
-	intel_sdvo_write_cmd(output, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
+	intel_sdvo_write_cmd(intel_encoder, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
 			     &tv_res, sizeof(tv_res));
-	status = intel_sdvo_read_response(output, &reply, 3);
+	status = intel_sdvo_read_response(intel_encoder, &reply, 3);
 	if (status != SDVO_CMD_STATUS_SUCCESS)
 		return;
 
@@ -1696,7 +1713,8 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
 
 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct drm_i915_private *dev_priv = connector->dev->dev_private;
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 	struct drm_display_mode *newmode;
@@ -1735,8 +1753,9 @@ end:
 
 static int intel_sdvo_get_modes(struct drm_connector *connector)
 {
-	struct intel_encoder *output = to_intel_encoder(connector);
-	struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 
 	if (sdvo_priv->is_tv)
 		intel_sdvo_get_tv_modes(connector);
@@ -1753,9 +1772,10 @@ static int intel_sdvo_get_modes(struct drm_connector *connector)
 static
 void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
-	struct drm_device *dev = connector->dev;
+	struct drm_device *dev = encoder->dev;
 
 	if (sdvo_priv->is_tv) {
 		if (sdvo_priv->left_property)
@@ -1791,31 +1811,10 @@ void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
 
 static void intel_sdvo_destroy(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
-
-	if (intel_encoder->i2c_bus)
-		intel_i2c_destroy(intel_encoder->i2c_bus);
-	if (intel_encoder->ddc_bus)
-		intel_i2c_destroy(intel_encoder->ddc_bus);
-	if (sdvo_priv->analog_ddc_bus)
-		intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
-
-	if (sdvo_priv->sdvo_lvds_fixed_mode != NULL)
-		drm_mode_destroy(connector->dev,
-				 sdvo_priv->sdvo_lvds_fixed_mode);
-
-	if (sdvo_priv->tv_format_property)
-		drm_property_destroy(connector->dev,
-				     sdvo_priv->tv_format_property);
-
-	if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
-		intel_sdvo_destroy_enhance_property(connector);
-
+	intel_sdvo_destroy_enhance_property(connector);
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
-
-	kfree(intel_encoder);
+	kfree(connector);
 }
 
 static int
@@ -1823,9 +1822,9 @@ intel_sdvo_set_property(struct drm_connector *connector,
 			struct drm_property *property,
 			uint64_t val)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
-	struct drm_encoder *encoder = &intel_encoder->enc;
 	struct drm_crtc *crtc = encoder->crtc;
 	int ret = 0;
 	bool changed = false;
@@ -1969,12 +1968,31 @@ static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
 	.get_modes = intel_sdvo_get_modes,
 	.mode_valid = intel_sdvo_mode_valid,
-	.best_encoder = intel_best_encoder,
+	.best_encoder = intel_attached_encoder,
 };
 
 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
 {
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+
+	if (intel_encoder->i2c_bus)
+		intel_i2c_destroy(intel_encoder->i2c_bus);
+	if (intel_encoder->ddc_bus)
+		intel_i2c_destroy(intel_encoder->ddc_bus);
+	if (sdvo_priv->analog_ddc_bus)
+		intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
+
+	if (sdvo_priv->sdvo_lvds_fixed_mode != NULL)
+		drm_mode_destroy(encoder->dev,
+				 sdvo_priv->sdvo_lvds_fixed_mode);
+
+	if (sdvo_priv->tv_format_property)
+		drm_property_destroy(encoder->dev,
+				     sdvo_priv->tv_format_property);
+
 	drm_encoder_cleanup(encoder);
+	kfree(intel_encoder);
 }
 
 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
@@ -2045,15 +2063,13 @@ static struct intel_encoder *
 intel_sdvo_chan_to_intel_encoder(struct intel_i2c_chan *chan)
 {
 	struct drm_device *dev = chan->drm_dev;
-	struct drm_connector *connector;
+	struct drm_encoder *encoder;
 	struct intel_encoder *intel_encoder = NULL;
 
-	list_for_each_entry(connector,
-			&dev->mode_config.connector_list, head) {
-		if (to_intel_encoder(connector)->ddc_bus == &chan->adapter) {
-			intel_encoder = to_intel_encoder(connector);
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		intel_encoder = enc_to_intel_encoder(encoder);
+		if (intel_encoder->ddc_bus == &chan->adapter)
 			break;
-		}
 	}
 	return intel_encoder;
 }
@@ -2141,9 +2157,11 @@ static struct dmi_system_id intel_sdvo_bad_tv[] = {
 };
 
 static bool
-intel_sdvo_output_setup(struct intel_encoder *intel_encoder, uint16_t flags)
+intel_sdvo_output_setup(struct intel_encoder *intel_encoder,
+			struct intel_connector *intel_connector,
+			uint16_t flags)
 {
-	struct drm_connector *connector = &intel_encoder->base;
+	struct drm_connector *connector = &intel_connector->base;
 	struct drm_encoder *encoder = &intel_encoder->enc;
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 	bool ret = true, registered = false;
@@ -2250,7 +2268,8 @@ intel_sdvo_output_setup(struct intel_encoder *intel_encoder, uint16_t flags)
 
 static void intel_sdvo_tv_create_property(struct drm_connector *connector)
 {
-      struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 	struct intel_sdvo_tv_format format;
 	uint32_t format_map, i;
@@ -2299,7 +2318,8 @@ static void intel_sdvo_tv_create_property(struct drm_connector *connector)
 
 static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 	struct intel_sdvo_enhancements_reply sdvo_data;
 	struct drm_device *dev = connector->dev;
@@ -2606,6 +2626,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_connector *connector;
 	struct intel_encoder *intel_encoder;
+	struct intel_connector *intel_connector;
 	struct intel_sdvo_priv *sdvo_priv;
 
 	u8 ch[0x40];
@@ -2616,6 +2637,12 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 		return false;
 	}
 
+	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
+	if (!intel_connector) {
+		kfree(intel_encoder);
+		return false;
+	}
+
 	sdvo_priv = (struct intel_sdvo_priv *)(intel_encoder + 1);
 	sdvo_priv->sdvo_reg = sdvo_reg;
 
@@ -2667,7 +2694,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 	/* In default case sdvo lvds is false */
 	intel_sdvo_get_capabilities(intel_encoder, &sdvo_priv->caps);
 
-	if (intel_sdvo_output_setup(intel_encoder,
+	if (intel_sdvo_output_setup(intel_encoder, intel_connector,
 				    sdvo_priv->caps.output_flags) != true) {
 		DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
 			  sdvo_reg == SDVOB ? 'B' : 'C');
@@ -2675,7 +2702,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 	}
 
 
-	connector = &intel_encoder->base;
+	connector = &intel_connector->base;
 	drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
 			   connector->connector_type);
 
@@ -2689,7 +2716,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 
 	drm_encoder_helper_add(&intel_encoder->enc, &intel_sdvo_helper_funcs);
 
-	drm_mode_connector_attach_encoder(&intel_encoder->base, &intel_encoder->enc);
+	drm_mode_connector_attach_encoder(&intel_connector->base, &intel_encoder->enc);
 	if (sdvo_priv->is_tv)
 		intel_sdvo_tv_create_property(connector);
 
@@ -2736,6 +2763,7 @@ err_i2c:
 		intel_i2c_destroy(intel_encoder->i2c_bus);
 err_inteloutput:
 	kfree(intel_encoder);
+	kfree(intel_connector);
 
 	return false;
 }

From 0c41ee2be6fff0fb3c933fc0ecfdfbce485620f0 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 16:38:44 +0800
Subject: [PATCH 0413/3638] drm/i915: convert TV driver to new
 encoder/connector structure

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_tv.c | 40 +++++++++++++++++++++------------
 1 file changed, 26 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index c8f67bfa22e..081cb901452 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -941,7 +941,8 @@ intel_tv_mode_find (struct intel_encoder *intel_encoder)
 static enum drm_mode_status
 intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
 
 	/* Ensure TV refresh is close to desired refresh */
@@ -1313,7 +1314,8 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_encoder *intel_encoder
  */
 static void intel_tv_find_better_format(struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
 	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
 	int i;
@@ -1347,9 +1349,9 @@ intel_tv_detect(struct drm_connector *connector)
 {
 	struct drm_crtc *crtc;
 	struct drm_display_mode mode;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
-	struct drm_encoder *encoder = &intel_encoder->enc;
 	int dpms_mode;
 	int type = tv_priv->type;
 
@@ -1399,7 +1401,8 @@ static void
 intel_tv_chose_preferred_modes(struct drm_connector *connector,
 			       struct drm_display_mode *mode_ptr)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
 
 	if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
@@ -1424,7 +1427,8 @@ static int
 intel_tv_get_modes(struct drm_connector *connector)
 {
 	struct drm_display_mode *mode_ptr;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
 	int j, count = 0;
 	u64 tmp;
@@ -1478,11 +1482,9 @@ intel_tv_get_modes(struct drm_connector *connector)
 static void
 intel_tv_destroy (struct drm_connector *connector)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
-	kfree(intel_encoder);
+	kfree(connector);
 }
 
 
@@ -1491,9 +1493,9 @@ intel_tv_set_property(struct drm_connector *connector, struct drm_property *prop
 		      uint64_t val)
 {
 	struct drm_device *dev = connector->dev;
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+	struct drm_encoder *encoder = intel_attached_encoder(connector);
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
-	struct drm_encoder *encoder = &intel_encoder->enc;
 	struct drm_crtc *crtc = encoder->crtc;
 	int ret = 0;
 	bool changed = false;
@@ -1559,12 +1561,15 @@ static const struct drm_connector_funcs intel_tv_connector_funcs = {
 static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = {
 	.mode_valid = intel_tv_mode_valid,
 	.get_modes = intel_tv_get_modes,
-	.best_encoder = intel_best_encoder,
+	.best_encoder = intel_attached_encoder,
 };
 
 static void intel_tv_enc_destroy(struct drm_encoder *encoder)
 {
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+
 	drm_encoder_cleanup(encoder);
+	kfree(intel_encoder);
 }
 
 static const struct drm_encoder_funcs intel_tv_enc_funcs = {
@@ -1613,6 +1618,7 @@ intel_tv_init(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_connector *connector;
 	struct intel_encoder *intel_encoder;
+	struct intel_connector *intel_connector;
 	struct intel_tv_priv *tv_priv;
 	u32 tv_dac_on, tv_dac_off, save_tv_dac;
 	char **tv_format_names;
@@ -1658,7 +1664,13 @@ intel_tv_init(struct drm_device *dev)
 		return;
 	}
 
-	connector = &intel_encoder->base;
+	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
+	if (!intel_connector) {
+		kfree(intel_encoder);
+		return;
+	}
+
+	connector = &intel_connector->base;
 
 	drm_connector_init(dev, connector, &intel_tv_connector_funcs,
 			   DRM_MODE_CONNECTOR_SVIDEO);
@@ -1666,7 +1678,7 @@ intel_tv_init(struct drm_device *dev)
 	drm_encoder_init(dev, &intel_encoder->enc, &intel_tv_enc_funcs,
 			 DRM_MODE_ENCODER_TVDAC);
 
-	drm_mode_connector_attach_encoder(&intel_encoder->base, &intel_encoder->enc);
+	drm_mode_connector_attach_encoder(&intel_connector->base, &intel_encoder->enc);
 	tv_priv = (struct intel_tv_priv *)(intel_encoder + 1);
 	intel_encoder->type = INTEL_OUTPUT_TVOUT;
 	intel_encoder->crtc_mask = (1 << 0) | (1 << 1);

From 1f254ec2f1360202e2a024ce6b82df69fb14988f Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 16:44:15 +0800
Subject: [PATCH 0414/3638] drm/i915: remove connector object in old output
 structure

As all display drivers have been converted, remove the left reference
for connector object in old structure.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 10 ----------
 drivers/gpu/drm/i915/intel_drv.h     |  4 ----
 2 files changed, 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e4dd16296fa..ecf554aa768 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5238,16 +5238,6 @@ void intel_modeset_cleanup(struct drm_device *dev)
 }
 
 
-/* current intel driver doesn't take advantage of encoders
-   always give back the encoder for the connector
-*/
-struct drm_encoder *intel_best_encoder(struct drm_connector *connector)
-{
-	struct intel_encoder *intel_encoder = to_intel_encoder(connector);
-
-	return &intel_encoder->enc;
-}
-
 /*
  * Return which encoder is currently attached for connector.
  */
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index c15ec471c84..8a64c154b42 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -96,8 +96,6 @@ struct intel_framebuffer {
 
 
 struct intel_encoder {
-	struct drm_connector base;
-
 	struct drm_encoder enc;
 	int type;
 	struct i2c_adapter *i2c_bus;
@@ -157,7 +155,6 @@ struct intel_crtc {
 };
 
 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
-#define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
 #define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc)
 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
@@ -189,7 +186,6 @@ extern void intel_crtc_load_lut(struct drm_crtc *crtc);
 extern void intel_encoder_prepare (struct drm_encoder *encoder);
 extern void intel_encoder_commit (struct drm_encoder *encoder);
 
-extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
 extern struct drm_encoder *intel_attached_encoder(struct drm_connector *connector);
 
 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,

From 409608b391994c3ac2abe0d9ca50c3d163faafe1 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 16:54:31 +0800
Subject: [PATCH 0415/3638] drm/i915: remove unused intel_pipe_get_connector()

Added by original eDP support patch, not used any more.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ecf554aa768..3ee68bcce7b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -753,23 +753,6 @@ bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
     return false;
 }
 
-static struct drm_connector *
-intel_pipe_get_connector (struct drm_crtc *crtc)
-{
-    struct drm_device *dev = crtc->dev;
-    struct drm_mode_config *mode_config = &dev->mode_config;
-    struct drm_connector *l_entry, *ret = NULL;
-
-    list_for_each_entry(l_entry, &mode_config->connector_list, head) {
-	    if (l_entry->encoder &&
-	        l_entry->encoder->crtc == crtc) {
-		    ret = l_entry;
-		    break;
-	    }
-    }
-    return ret;
-}
-
 #define INTELPllInvalid(s)   do { /* DRM_DEBUG(s); */ return false; } while (0)
 /**
  * Returns whether the given set of divisors are valid for a given refclk with

From 14571b4c1ac9c109f5d6d6e95cfdb92339151fe0 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Tue, 30 Mar 2010 14:06:33 +0800
Subject: [PATCH 0416/3638] drm/i915: implement multifunction SDVO device
 support

With new intel_encoder/intel_connector structure change, each supported
connector type on SDVO device will be created as a new 'intel_connector',
and all attached to one 'intel_encoder' for its SDVO port.

The SDVO encoder will handle SDVO protocol stuff, and each connector does
its own part of work now, like detection is only to check if current active
output is itself, etc.

Update since last submit:
- Fixed SDVO TV property creation failure by incorrect set target output call

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sdvo.c | 597 ++++++++++++++++++------------
 1 file changed, 368 insertions(+), 229 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 602056a88dd..5628de27538 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -37,6 +37,18 @@
 #include "intel_sdvo_regs.h"
 #include <linux/dmi.h>
 
+#define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
+#define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
+#define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
+#define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
+
+#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
+                         SDVO_TV_MASK)
+
+#define IS_TV(c)	(c->output_flag & SDVO_TV_MASK)
+#define IS_LVDS(c)	(c->output_flag & SDVO_LVDS_MASK)
+
+
 static char *tv_format_names[] = {
 	"NTSC_M"   , "NTSC_J"  , "NTSC_443",
 	"PAL_B"    , "PAL_D"   , "PAL_G"   ,
@@ -85,12 +97,6 @@ struct intel_sdvo_priv {
 	/* This is for current tv format name */
 	char *tv_format_name;
 
-	/* This contains all current supported TV format */
-	char *tv_format_supported[TV_FORMAT_NUM];
-	int   format_supported_num;
-	struct drm_property *tv_format_property;
-	struct drm_property *tv_format_name_property[TV_FORMAT_NUM];
-
 	/**
 	 * This is set if we treat the device as HDMI, instead of DVI.
 	 */
@@ -111,12 +117,6 @@ struct intel_sdvo_priv {
 	 */
 	struct drm_display_mode *sdvo_lvds_fixed_mode;
 
-	/**
-	 * Returned SDTV resolutions allowed for the current format, if the
-	 * device reported it.
-	 */
-	struct intel_sdvo_sdtv_resolution_reply sdtv_resolutions;
-
 	/*
 	 * supported encoding mode, used to determine whether HDMI is
 	 * supported
@@ -129,6 +129,24 @@ struct intel_sdvo_priv {
 	/* Mac mini hack -- use the same DDC as the analog connector */
 	struct i2c_adapter *analog_ddc_bus;
 
+};
+
+struct intel_sdvo_connector {
+	/* Mark the type of connector */
+	uint16_t output_flag;
+
+	/* This contains all current supported TV format */
+	char *tv_format_supported[TV_FORMAT_NUM];
+	int   format_supported_num;
+	struct drm_property *tv_format_property;
+	struct drm_property *tv_format_name_property[TV_FORMAT_NUM];
+
+	/**
+	 * Returned SDTV resolutions allowed for the current format, if the
+	 * device reported it.
+	 */
+	struct intel_sdvo_sdtv_resolution_reply sdtv_resolutions;
+
 	/* add the property for the SDVO-TV */
 	struct drm_property *left_property;
 	struct drm_property *right_property;
@@ -157,8 +175,11 @@ struct intel_sdvo_priv {
 
 static bool
 intel_sdvo_output_setup(struct intel_encoder *intel_encoder,
-			struct intel_connector *intel_connector,
 			uint16_t flags);
+static void
+intel_sdvo_tv_create_property(struct drm_connector *connector, int type);
+static void
+intel_sdvo_create_enhance_property(struct drm_connector *connector);
 
 /**
  * Writes the SDVOB or SDVOC with the given value, but always writes both
@@ -1035,7 +1056,7 @@ static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 		/* Set output timings */
 		intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 		intel_sdvo_set_target_output(intel_encoder,
-					     dev_priv->controlled_output);
+					     dev_priv->attached_output);
 		intel_sdvo_set_output_timing(intel_encoder, &output_dtd);
 
 		/* Set the input timing to the screen. Assume always input 0. */
@@ -1073,7 +1094,7 @@ static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 				dev_priv->sdvo_lvds_fixed_mode);
 
 		intel_sdvo_set_target_output(intel_encoder,
-					     dev_priv->controlled_output);
+					     dev_priv->attached_output);
 		intel_sdvo_set_output_timing(intel_encoder, &output_dtd);
 
 		/* Set the input timing to the screen. Assume always input 0. */
@@ -1138,7 +1159,7 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 	 * channel on the motherboard.  In a two-input device, the first input
 	 * will be SDVOB and the second SDVOC.
 	 */
-	in_out.in0 = sdvo_priv->controlled_output;
+	in_out.in0 = sdvo_priv->attached_output;
 	in_out.in1 = 0;
 
 	intel_sdvo_write_cmd(intel_encoder, SDVO_CMD_SET_IN_OUT_MAP,
@@ -1164,7 +1185,7 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 	if (!sdvo_priv->is_tv && !sdvo_priv->is_lvds) {
 		/* Set the output timing to the screen */
 		intel_sdvo_set_target_output(intel_encoder,
-					     sdvo_priv->controlled_output);
+					     sdvo_priv->attached_output);
 		intel_sdvo_set_output_timing(intel_encoder, &input_dtd);
 	}
 
@@ -1286,7 +1307,7 @@ static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
 
 		if (0)
 			intel_sdvo_set_encoder_power_state(intel_encoder, mode);
-		intel_sdvo_set_active_outputs(intel_encoder, sdvo_priv->controlled_output);
+		intel_sdvo_set_active_outputs(intel_encoder, sdvo_priv->attached_output);
 	}
 	return;
 }
@@ -1550,6 +1571,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
 	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+	struct intel_sdvo_connector *sdvo_connector = intel_connector->dev_priv;
+	enum drm_connector_status ret;
 
 	intel_sdvo_write_cmd(intel_encoder,
 			     SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
@@ -1567,15 +1590,30 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
 	if (response == 0)
 		return connector_status_disconnected;
 
-	if (intel_sdvo_multifunc_encoder(intel_encoder) &&
-		sdvo_priv->attached_output != response) {
-		if (sdvo_priv->controlled_output != response &&
-			intel_sdvo_output_setup(intel_encoder, intel_connector,
-						response) != true)
-			return connector_status_unknown;
-		sdvo_priv->attached_output = response;
+	sdvo_priv->attached_output = response;
+
+	if ((sdvo_connector->output_flag & response) == 0)
+		ret = connector_status_disconnected;
+	else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
+		ret = intel_sdvo_hdmi_sink_detect(connector, response);
+	else
+		ret = connector_status_connected;
+
+	/* May update encoder flag for like clock for SDVO TV, etc.*/
+	if (ret == connector_status_connected) {
+		sdvo_priv->is_tv = false;
+		sdvo_priv->is_lvds = false;
+		intel_encoder->needs_tv_clock = false;
+
+		if (response & SDVO_TV_MASK) {
+			sdvo_priv->is_tv = true;
+			intel_encoder->needs_tv_clock = true;
+		}
+		if (response & SDVO_LVDS_MASK)
+			sdvo_priv->is_lvds = true;
 	}
-	return intel_sdvo_hdmi_sink_detect(connector, response);
+
+	return ret;
 }
 
 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
@@ -1692,7 +1730,7 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
 	       sizeof(format_map) ? sizeof(format_map) :
 	       sizeof(struct intel_sdvo_sdtv_resolution_request));
 
-	intel_sdvo_set_target_output(intel_encoder, sdvo_priv->controlled_output);
+	intel_sdvo_set_target_output(intel_encoder, sdvo_priv->attached_output);
 
 	intel_sdvo_write_cmd(intel_encoder, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
 			     &tv_res, sizeof(tv_res));
@@ -1753,13 +1791,12 @@ end:
 
 static int intel_sdvo_get_modes(struct drm_connector *connector)
 {
-	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct intel_sdvo_connector *sdvo_connector = intel_connector->dev_priv;
 
-	if (sdvo_priv->is_tv)
+	if (IS_TV(sdvo_connector))
 		intel_sdvo_get_tv_modes(connector);
-	else if (sdvo_priv->is_lvds == true)
+	else if (IS_LVDS(sdvo_connector))
 		intel_sdvo_get_lvds_modes(connector);
 	else
 		intel_sdvo_get_ddc_modes(connector);
@@ -1772,12 +1809,11 @@ static int intel_sdvo_get_modes(struct drm_connector *connector)
 static
 void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
 {
-	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
-	struct drm_device *dev = encoder->dev;
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct intel_sdvo_connector *sdvo_priv = intel_connector->dev_priv;
+	struct drm_device *dev = connector->dev;
 
-	if (sdvo_priv->is_tv) {
+	if (IS_TV(sdvo_priv)) {
 		if (sdvo_priv->left_property)
 			drm_property_destroy(dev, sdvo_priv->left_property);
 		if (sdvo_priv->right_property)
@@ -1790,8 +1826,6 @@ void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
 			drm_property_destroy(dev, sdvo_priv->hpos_property);
 		if (sdvo_priv->vpos_property)
 			drm_property_destroy(dev, sdvo_priv->vpos_property);
-	}
-	if (sdvo_priv->is_tv) {
 		if (sdvo_priv->saturation_property)
 			drm_property_destroy(dev,
 					sdvo_priv->saturation_property);
@@ -1801,7 +1835,7 @@ void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
 		if (sdvo_priv->hue_property)
 			drm_property_destroy(dev, sdvo_priv->hue_property);
 	}
-	if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
+	if (IS_TV(sdvo_priv) || IS_LVDS(sdvo_priv)) {
 		if (sdvo_priv->brightness_property)
 			drm_property_destroy(dev,
 					sdvo_priv->brightness_property);
@@ -1811,6 +1845,13 @@ void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
 
 static void intel_sdvo_destroy(struct drm_connector *connector)
 {
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct intel_sdvo_connector *sdvo_connector = intel_connector->dev_priv;
+
+	if (sdvo_connector->tv_format_property)
+		drm_property_destroy(connector->dev,
+				     sdvo_connector->tv_format_property);
+
 	intel_sdvo_destroy_enhance_property(connector);
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
@@ -1825,6 +1866,8 @@ intel_sdvo_set_property(struct drm_connector *connector,
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
 	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct intel_sdvo_connector *sdvo_connector = intel_connector->dev_priv;
 	struct drm_crtc *crtc = encoder->crtc;
 	int ret = 0;
 	bool changed = false;
@@ -1835,101 +1878,101 @@ intel_sdvo_set_property(struct drm_connector *connector,
 	if (ret < 0)
 		goto out;
 
-	if (property == sdvo_priv->tv_format_property) {
+	if (property == sdvo_connector->tv_format_property) {
 		if (val >= TV_FORMAT_NUM) {
 			ret = -EINVAL;
 			goto out;
 		}
 		if (sdvo_priv->tv_format_name ==
-		    sdvo_priv->tv_format_supported[val])
+		    sdvo_connector->tv_format_supported[val])
 			goto out;
 
-		sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[val];
+		sdvo_priv->tv_format_name = sdvo_connector->tv_format_supported[val];
 		changed = true;
 	}
 
-	if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
+	if (IS_TV(sdvo_connector) || IS_LVDS(sdvo_connector)) {
 		cmd = 0;
 		temp_value = val;
-		if (sdvo_priv->left_property == property) {
+		if (sdvo_connector->left_property == property) {
 			drm_connector_property_set_value(connector,
-				sdvo_priv->right_property, val);
-			if (sdvo_priv->left_margin == temp_value)
+				sdvo_connector->right_property, val);
+			if (sdvo_connector->left_margin == temp_value)
 				goto out;
 
-			sdvo_priv->left_margin = temp_value;
-			sdvo_priv->right_margin = temp_value;
-			temp_value = sdvo_priv->max_hscan -
-					sdvo_priv->left_margin;
+			sdvo_connector->left_margin = temp_value;
+			sdvo_connector->right_margin = temp_value;
+			temp_value = sdvo_connector->max_hscan -
+					sdvo_connector->left_margin;
 			cmd = SDVO_CMD_SET_OVERSCAN_H;
-		} else if (sdvo_priv->right_property == property) {
+		} else if (sdvo_connector->right_property == property) {
 			drm_connector_property_set_value(connector,
-				sdvo_priv->left_property, val);
-			if (sdvo_priv->right_margin == temp_value)
+				sdvo_connector->left_property, val);
+			if (sdvo_connector->right_margin == temp_value)
 				goto out;
 
-			sdvo_priv->left_margin = temp_value;
-			sdvo_priv->right_margin = temp_value;
-			temp_value = sdvo_priv->max_hscan -
-				sdvo_priv->left_margin;
+			sdvo_connector->left_margin = temp_value;
+			sdvo_connector->right_margin = temp_value;
+			temp_value = sdvo_connector->max_hscan -
+				sdvo_connector->left_margin;
 			cmd = SDVO_CMD_SET_OVERSCAN_H;
-		} else if (sdvo_priv->top_property == property) {
+		} else if (sdvo_connector->top_property == property) {
 			drm_connector_property_set_value(connector,
-				sdvo_priv->bottom_property, val);
-			if (sdvo_priv->top_margin == temp_value)
+				sdvo_connector->bottom_property, val);
+			if (sdvo_connector->top_margin == temp_value)
 				goto out;
 
-			sdvo_priv->top_margin = temp_value;
-			sdvo_priv->bottom_margin = temp_value;
-			temp_value = sdvo_priv->max_vscan -
-					sdvo_priv->top_margin;
+			sdvo_connector->top_margin = temp_value;
+			sdvo_connector->bottom_margin = temp_value;
+			temp_value = sdvo_connector->max_vscan -
+					sdvo_connector->top_margin;
 			cmd = SDVO_CMD_SET_OVERSCAN_V;
-		} else if (sdvo_priv->bottom_property == property) {
+		} else if (sdvo_connector->bottom_property == property) {
 			drm_connector_property_set_value(connector,
-				sdvo_priv->top_property, val);
-			if (sdvo_priv->bottom_margin == temp_value)
+				sdvo_connector->top_property, val);
+			if (sdvo_connector->bottom_margin == temp_value)
 				goto out;
-			sdvo_priv->top_margin = temp_value;
-			sdvo_priv->bottom_margin = temp_value;
-			temp_value = sdvo_priv->max_vscan -
-					sdvo_priv->top_margin;
+			sdvo_connector->top_margin = temp_value;
+			sdvo_connector->bottom_margin = temp_value;
+			temp_value = sdvo_connector->max_vscan -
+					sdvo_connector->top_margin;
 			cmd = SDVO_CMD_SET_OVERSCAN_V;
-		} else if (sdvo_priv->hpos_property == property) {
-			if (sdvo_priv->cur_hpos == temp_value)
+		} else if (sdvo_connector->hpos_property == property) {
+			if (sdvo_connector->cur_hpos == temp_value)
 				goto out;
 
 			cmd = SDVO_CMD_SET_POSITION_H;
-			sdvo_priv->cur_hpos = temp_value;
-		} else if (sdvo_priv->vpos_property == property) {
-			if (sdvo_priv->cur_vpos == temp_value)
+			sdvo_connector->cur_hpos = temp_value;
+		} else if (sdvo_connector->vpos_property == property) {
+			if (sdvo_connector->cur_vpos == temp_value)
 				goto out;
 
 			cmd = SDVO_CMD_SET_POSITION_V;
-			sdvo_priv->cur_vpos = temp_value;
-		} else if (sdvo_priv->saturation_property == property) {
-			if (sdvo_priv->cur_saturation == temp_value)
+			sdvo_connector->cur_vpos = temp_value;
+		} else if (sdvo_connector->saturation_property == property) {
+			if (sdvo_connector->cur_saturation == temp_value)
 				goto out;
 
 			cmd = SDVO_CMD_SET_SATURATION;
-			sdvo_priv->cur_saturation = temp_value;
-		} else if (sdvo_priv->contrast_property == property) {
-			if (sdvo_priv->cur_contrast == temp_value)
+			sdvo_connector->cur_saturation = temp_value;
+		} else if (sdvo_connector->contrast_property == property) {
+			if (sdvo_connector->cur_contrast == temp_value)
 				goto out;
 
 			cmd = SDVO_CMD_SET_CONTRAST;
-			sdvo_priv->cur_contrast = temp_value;
-		} else if (sdvo_priv->hue_property == property) {
-			if (sdvo_priv->cur_hue == temp_value)
+			sdvo_connector->cur_contrast = temp_value;
+		} else if (sdvo_connector->hue_property == property) {
+			if (sdvo_connector->cur_hue == temp_value)
 				goto out;
 
 			cmd = SDVO_CMD_SET_HUE;
-			sdvo_priv->cur_hue = temp_value;
-		} else if (sdvo_priv->brightness_property == property) {
-			if (sdvo_priv->cur_brightness == temp_value)
+			sdvo_connector->cur_hue = temp_value;
+		} else if (sdvo_connector->brightness_property == property) {
+			if (sdvo_connector->cur_brightness == temp_value)
 				goto out;
 
 			cmd = SDVO_CMD_SET_BRIGHTNESS;
-			sdvo_priv->cur_brightness = temp_value;
+			sdvo_connector->cur_brightness = temp_value;
 		}
 		if (cmd) {
 			intel_sdvo_write_cmd(intel_encoder, cmd, &temp_value, 2);
@@ -1987,10 +2030,6 @@ static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
 		drm_mode_destroy(encoder->dev,
 				 sdvo_priv->sdvo_lvds_fixed_mode);
 
-	if (sdvo_priv->tv_format_property)
-		drm_property_destroy(encoder->dev,
-				     sdvo_priv->tv_format_property);
-
 	drm_encoder_cleanup(encoder);
 	kfree(intel_encoder);
 }
@@ -2045,12 +2084,15 @@ intel_sdvo_select_ddc_bus(struct intel_sdvo_priv *dev_priv)
 }
 
 static bool
-intel_sdvo_get_digital_encoding_mode(struct intel_encoder *output)
+intel_sdvo_get_digital_encoding_mode(struct intel_encoder *output, int device)
 {
 	struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
 	uint8_t status;
 
-	intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
+	if (device == 0)
+		intel_sdvo_set_target_output(output, SDVO_OUTPUT_TMDS0);
+	else
+		intel_sdvo_set_target_output(output, SDVO_OUTPUT_TMDS1);
 
 	intel_sdvo_write_cmd(output, SDVO_CMD_GET_ENCODE, NULL, 0);
 	status = intel_sdvo_read_response(output, &sdvo_priv->is_hdmi, 1);
@@ -2157,96 +2199,228 @@ static struct dmi_system_id intel_sdvo_bad_tv[] = {
 };
 
 static bool
-intel_sdvo_output_setup(struct intel_encoder *intel_encoder,
-			struct intel_connector *intel_connector,
-			uint16_t flags)
+intel_sdvo_connector_alloc (struct intel_connector **ret)
+{
+	struct intel_connector *intel_connector;
+	struct intel_sdvo_connector *sdvo_connector;
+
+	*ret = kzalloc(sizeof(*intel_connector) +
+			sizeof(*sdvo_connector), GFP_KERNEL);
+	if (!*ret)
+		return false;
+
+	intel_connector = *ret;
+	sdvo_connector = (struct intel_sdvo_connector *)(intel_connector + 1);
+	intel_connector->dev_priv = sdvo_connector;
+
+	return true;
+}
+
+static void
+intel_sdvo_connector_create (struct drm_encoder *encoder,
+			     struct drm_connector *connector)
+{
+	drm_connector_init(encoder->dev, connector, &intel_sdvo_connector_funcs,
+			   connector->connector_type);
+
+	drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
+
+	connector->interlace_allowed = 0;
+	connector->doublescan_allowed = 0;
+	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+
+	drm_mode_connector_attach_encoder(connector, encoder);
+	drm_sysfs_connector_add(connector);
+}
+
+static bool
+intel_sdvo_dvi_init(struct intel_encoder *intel_encoder, int device)
 {
-	struct drm_connector *connector = &intel_connector->base;
 	struct drm_encoder *encoder = &intel_encoder->enc;
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
-	bool ret = true, registered = false;
+	struct drm_connector *connector;
+	struct intel_connector *intel_connector;
+	struct intel_sdvo_connector *sdvo_connector;
+
+	if (!intel_sdvo_connector_alloc(&intel_connector))
+		return false;
+
+	sdvo_connector = intel_connector->dev_priv;
+
+	if (device == 0) {
+		sdvo_priv->controlled_output |= SDVO_OUTPUT_TMDS0;
+		sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
+	} else if (device == 1) {
+		sdvo_priv->controlled_output |= SDVO_OUTPUT_TMDS1;
+		sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
+	}
+
+	connector = &intel_connector->base;
+	encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
+	connector->connector_type = DRM_MODE_CONNECTOR_DVID;
+
+	if (intel_sdvo_get_supp_encode(intel_encoder, &sdvo_priv->encode)
+		&& intel_sdvo_get_digital_encoding_mode(intel_encoder, device)
+		&& sdvo_priv->is_hdmi) {
+		/* enable hdmi encoding mode if supported */
+		intel_sdvo_set_encode(intel_encoder, SDVO_ENCODE_HDMI);
+		intel_sdvo_set_colorimetry(intel_encoder,
+					   SDVO_COLORIMETRY_RGB256);
+		connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
+	}
+	intel_encoder->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
+				    (1 << INTEL_ANALOG_CLONE_BIT);
+
+	intel_sdvo_connector_create(encoder, connector);
+
+	return true;
+}
+
+static bool
+intel_sdvo_tv_init(struct intel_encoder *intel_encoder, int type)
+{
+        struct drm_encoder *encoder = &intel_encoder->enc;
+        struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+        struct drm_connector *connector;
+        struct intel_connector *intel_connector;
+        struct intel_sdvo_connector *sdvo_connector;
+
+        if (!intel_sdvo_connector_alloc(&intel_connector))
+                return false;
+
+        connector = &intel_connector->base;
+        encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
+        connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
+        sdvo_connector = intel_connector->dev_priv;
+
+        sdvo_priv->controlled_output |= type;
+        sdvo_connector->output_flag = type;
+
+        sdvo_priv->is_tv = true;
+        intel_encoder->needs_tv_clock = true;
+        intel_encoder->clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
+
+        intel_sdvo_connector_create(encoder, connector);
+
+        intel_sdvo_tv_create_property(connector, type);
+
+        intel_sdvo_create_enhance_property(connector);
+
+        return true;
+}
+
+static bool
+intel_sdvo_analog_init(struct intel_encoder *intel_encoder, int device)
+{
+        struct drm_encoder *encoder = &intel_encoder->enc;
+        struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+        struct drm_connector *connector;
+        struct intel_connector *intel_connector;
+        struct intel_sdvo_connector *sdvo_connector;
+
+        if (!intel_sdvo_connector_alloc(&intel_connector))
+                return false;
+
+        connector = &intel_connector->base;
+        encoder->encoder_type = DRM_MODE_ENCODER_DAC;
+        connector->connector_type = DRM_MODE_CONNECTOR_VGA;
+        sdvo_connector = intel_connector->dev_priv;
+
+        if (device == 0) {
+                sdvo_priv->controlled_output |= SDVO_OUTPUT_RGB0;
+                sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
+        } else if (device == 1) {
+                sdvo_priv->controlled_output |= SDVO_OUTPUT_RGB1;
+                sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
+        }
+
+        intel_encoder->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
+                                    (1 << INTEL_ANALOG_CLONE_BIT);
+
+        intel_sdvo_connector_create(encoder, connector);
+        return true;
+}
+
+static bool
+intel_sdvo_lvds_init(struct intel_encoder *intel_encoder, int device)
+{
+        struct drm_encoder *encoder = &intel_encoder->enc;
+        struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+        struct drm_connector *connector;
+        struct intel_connector *intel_connector;
+        struct intel_sdvo_connector *sdvo_connector;
+
+        if (!intel_sdvo_connector_alloc(&intel_connector))
+                return false;
+
+        connector = &intel_connector->base;
+        encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
+        connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
+        sdvo_connector = intel_connector->dev_priv;
+
+        sdvo_priv->is_lvds = true;
+
+        if (device == 0) {
+                sdvo_priv->controlled_output |= SDVO_OUTPUT_LVDS0;
+                sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
+        } else if (device == 1) {
+                sdvo_priv->controlled_output |= SDVO_OUTPUT_LVDS1;
+                sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
+        }
+
+        intel_encoder->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
+                                    (1 << INTEL_SDVO_LVDS_CLONE_BIT);
+
+        intel_sdvo_connector_create(encoder, connector);
+        intel_sdvo_create_enhance_property(connector);
+        return true;
+}
+
+static bool
+intel_sdvo_output_setup(struct intel_encoder *intel_encoder, uint16_t flags)
+{
+	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
 
 	sdvo_priv->is_tv = false;
 	intel_encoder->needs_tv_clock = false;
 	sdvo_priv->is_lvds = false;
 
-	if (device_is_registered(&connector->kdev)) {
-		drm_sysfs_connector_remove(connector);
-		registered = true;
-	}
+	/* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
 
-	if (flags &
-	    (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
-		if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
-			sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS0;
-		else
-			sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
+	if (flags & SDVO_OUTPUT_TMDS0)
+		if (!intel_sdvo_dvi_init(intel_encoder, 0))
+			return false;
 
-		encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
-		connector->connector_type = DRM_MODE_CONNECTOR_DVID;
+	if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
+		if (!intel_sdvo_dvi_init(intel_encoder, 1))
+			return false;
 
-		if (intel_sdvo_get_supp_encode(intel_encoder,
-					       &sdvo_priv->encode) &&
-		    intel_sdvo_get_digital_encoding_mode(intel_encoder) &&
-		    sdvo_priv->is_hdmi) {
-			/* enable hdmi encoding mode if supported */
-			intel_sdvo_set_encode(intel_encoder, SDVO_ENCODE_HDMI);
-			intel_sdvo_set_colorimetry(intel_encoder,
-						   SDVO_COLORIMETRY_RGB256);
-			connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
-			intel_encoder->clone_mask =
-					(1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
-					(1 << INTEL_ANALOG_CLONE_BIT);
-		}
-	} else if ((flags & SDVO_OUTPUT_SVID0) &&
-		   !dmi_check_system(intel_sdvo_bad_tv)) {
+	/* TV has no XXX1 function block */
+	if ((flags & SDVO_OUTPUT_SVID0) && !dmi_check_system(intel_sdvo_bad_tv))
+		if (!intel_sdvo_tv_init(intel_encoder, SDVO_OUTPUT_SVID0))
+			return false;
 
-		sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
-		encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
-		connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
-		sdvo_priv->is_tv = true;
-		intel_encoder->needs_tv_clock = true;
-		intel_encoder->clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
-	} else if (flags & SDVO_OUTPUT_RGB0) {
+	if (flags & SDVO_OUTPUT_CVBS0)
+		if (!intel_sdvo_tv_init(intel_encoder, SDVO_OUTPUT_CVBS0))
+			return false;
 
-		sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
-		encoder->encoder_type = DRM_MODE_ENCODER_DAC;
-		connector->connector_type = DRM_MODE_CONNECTOR_VGA;
-		intel_encoder->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
-					(1 << INTEL_ANALOG_CLONE_BIT);
-	} else if (flags & SDVO_OUTPUT_RGB1) {
+	if (flags & SDVO_OUTPUT_RGB0)
+		if (!intel_sdvo_analog_init(intel_encoder, 0))
+			return false;
 
-		sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
-		encoder->encoder_type = DRM_MODE_ENCODER_DAC;
-		connector->connector_type = DRM_MODE_CONNECTOR_VGA;
-		intel_encoder->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
-					(1 << INTEL_ANALOG_CLONE_BIT);
-	} else if (flags & SDVO_OUTPUT_CVBS0) {
+	if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
+		if (!intel_sdvo_analog_init(intel_encoder, 1))
+			return false;
 
-		sdvo_priv->controlled_output = SDVO_OUTPUT_CVBS0;
-		encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
-		connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
-		sdvo_priv->is_tv = true;
-		intel_encoder->needs_tv_clock = true;
-		intel_encoder->clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
-	} else if (flags & SDVO_OUTPUT_LVDS0) {
+	if (flags & SDVO_OUTPUT_LVDS0)
+		if (!intel_sdvo_lvds_init(intel_encoder, 0))
+			return false;
 
-		sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
-		encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
-		connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
-		sdvo_priv->is_lvds = true;
-		intel_encoder->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
-					(1 << INTEL_SDVO_LVDS_CLONE_BIT);
-	} else if (flags & SDVO_OUTPUT_LVDS1) {
-
-		sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
-		encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
-		connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
-		sdvo_priv->is_lvds = true;
-		intel_encoder->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
-					(1 << INTEL_SDVO_LVDS_CLONE_BIT);
-	} else {
+	if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
+		if (!intel_sdvo_lvds_init(intel_encoder, 1))
+			return false;
 
+	if ((flags & SDVO_OUTPUT_MASK) == 0) {
 		unsigned char bytes[2];
 
 		sdvo_priv->controlled_output = 0;
@@ -2254,29 +2428,25 @@ intel_sdvo_output_setup(struct intel_encoder *intel_encoder,
 		DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
 			      SDVO_NAME(sdvo_priv),
 			      bytes[0], bytes[1]);
-		ret = false;
+		return false;
 	}
 	intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
 
-	if (ret && registered)
-		ret = drm_sysfs_connector_add(connector) == 0 ? true : false;
-
-
-	return ret;
-
+	return true;
 }
 
-static void intel_sdvo_tv_create_property(struct drm_connector *connector)
+static void intel_sdvo_tv_create_property(struct drm_connector *connector, int type)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
 	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct intel_sdvo_connector *sdvo_connector = intel_connector->dev_priv;
 	struct intel_sdvo_tv_format format;
 	uint32_t format_map, i;
 	uint8_t status;
 
-	intel_sdvo_set_target_output(intel_encoder,
-				     sdvo_priv->controlled_output);
+	intel_sdvo_set_target_output(intel_encoder, type);
 
 	intel_sdvo_write_cmd(intel_encoder,
 			     SDVO_CMD_GET_SUPPORTED_TV_FORMATS, NULL, 0);
@@ -2291,28 +2461,28 @@ static void intel_sdvo_tv_create_property(struct drm_connector *connector)
 	if (format_map == 0)
 		return;
 
-	sdvo_priv->format_supported_num = 0;
+	sdvo_connector->format_supported_num = 0;
 	for (i = 0 ; i < TV_FORMAT_NUM; i++)
 		if (format_map & (1 << i)) {
-			sdvo_priv->tv_format_supported
-			[sdvo_priv->format_supported_num++] =
+			sdvo_connector->tv_format_supported
+			[sdvo_connector->format_supported_num++] =
 			tv_format_names[i];
 		}
 
 
-	sdvo_priv->tv_format_property =
+	sdvo_connector->tv_format_property =
 			drm_property_create(
 				connector->dev, DRM_MODE_PROP_ENUM,
-				"mode", sdvo_priv->format_supported_num);
+				"mode", sdvo_connector->format_supported_num);
 
-	for (i = 0; i < sdvo_priv->format_supported_num; i++)
+	for (i = 0; i < sdvo_connector->format_supported_num; i++)
 		drm_property_add_enum(
-				sdvo_priv->tv_format_property, i,
-				i, sdvo_priv->tv_format_supported[i]);
+				sdvo_connector->tv_format_property, i,
+				i, sdvo_connector->tv_format_supported[i]);
 
-	sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[0];
+	sdvo_priv->tv_format_name = sdvo_connector->tv_format_supported[0];
 	drm_connector_attach_property(
-			connector, sdvo_priv->tv_format_property, 0);
+			connector, sdvo_connector->tv_format_property, 0);
 
 }
 
@@ -2320,7 +2490,8 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
 	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct intel_sdvo_connector *sdvo_priv = intel_connector->dev_priv;
 	struct intel_sdvo_enhancements_reply sdvo_data;
 	struct drm_device *dev = connector->dev;
 	uint8_t status;
@@ -2339,7 +2510,7 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
 		DRM_DEBUG_KMS("No enhancement is supported\n");
 		return;
 	}
-	if (sdvo_priv->is_tv) {
+	if (IS_TV(sdvo_priv)) {
 		/* when horizontal overscan is supported, Add the left/right
 		 * property
 		 */
@@ -2487,8 +2658,6 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
 					"default %d, current %d\n",
 					data_value[0], data_value[1], response);
 		}
-	}
-	if (sdvo_priv->is_tv) {
 		if (sdvo_data.saturation) {
 			intel_sdvo_write_cmd(intel_encoder,
 				SDVO_CMD_GET_MAX_SATURATION, NULL, 0);
@@ -2584,7 +2753,7 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
 					data_value[0], data_value[1], response);
 		}
 	}
-	if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
+	if (IS_TV(sdvo_priv) || IS_LVDS(sdvo_priv)) {
 		if (sdvo_data.brightness) {
 			intel_sdvo_write_cmd(intel_encoder,
 				SDVO_CMD_GET_MAX_BRIGHTNESS, NULL, 0);
@@ -2624,11 +2793,8 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_connector *connector;
 	struct intel_encoder *intel_encoder;
-	struct intel_connector *intel_connector;
 	struct intel_sdvo_priv *sdvo_priv;
-
 	u8 ch[0x40];
 	int i;
 
@@ -2637,12 +2803,6 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 		return false;
 	}
 
-	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
-	if (!intel_connector) {
-		kfree(intel_encoder);
-		return false;
-	}
-
 	sdvo_priv = (struct intel_sdvo_priv *)(intel_encoder + 1);
 	sdvo_priv->sdvo_reg = sdvo_reg;
 
@@ -2691,40 +2851,20 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 	/* Wrap with our custom algo which switches to DDC mode */
 	intel_encoder->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;
 
+	/* encoder type will be decided later */
+	drm_encoder_init(dev, &intel_encoder->enc, &intel_sdvo_enc_funcs, 0);
+	drm_encoder_helper_add(&intel_encoder->enc, &intel_sdvo_helper_funcs);
+
 	/* In default case sdvo lvds is false */
 	intel_sdvo_get_capabilities(intel_encoder, &sdvo_priv->caps);
 
-	if (intel_sdvo_output_setup(intel_encoder, intel_connector,
+	if (intel_sdvo_output_setup(intel_encoder,
 				    sdvo_priv->caps.output_flags) != true) {
 		DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
 			  sdvo_reg == SDVOB ? 'B' : 'C');
 		goto err_i2c;
 	}
 
-
-	connector = &intel_connector->base;
-	drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
-			   connector->connector_type);
-
-	drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
-	connector->interlace_allowed = 0;
-	connector->doublescan_allowed = 0;
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-
-	drm_encoder_init(dev, &intel_encoder->enc,
-			&intel_sdvo_enc_funcs, intel_encoder->enc.encoder_type);
-
-	drm_encoder_helper_add(&intel_encoder->enc, &intel_sdvo_helper_funcs);
-
-	drm_mode_connector_attach_encoder(&intel_connector->base, &intel_encoder->enc);
-	if (sdvo_priv->is_tv)
-		intel_sdvo_tv_create_property(connector);
-
-	if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
-		intel_sdvo_create_enhance_property(connector);
-
-	drm_sysfs_connector_add(connector);
-
 	intel_sdvo_select_ddc_bus(sdvo_priv);
 
 	/* Set the input timing to the screen. Assume always input 0. */
@@ -2763,7 +2903,6 @@ err_i2c:
 		intel_i2c_destroy(intel_encoder->i2c_bus);
 err_inteloutput:
 	kfree(intel_encoder);
-	kfree(intel_connector);
 
 	return false;
 }

From a1f4b7ff23d9698b6556c5030c781caecad8c1e2 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 29 Mar 2010 23:16:13 +0800
Subject: [PATCH 0417/3638] Revert "drm/i915: Use a dmi quirk to skip a broken
 SDVO TV output."

This reverts commit 6070a4a928f8c92b9fae7d6717ebbb05f425d6b2.

The quirk for this SDVO device on IBM specific board is just a hack
in old code which showed the broken multifunction SDVO support in
the driver. Multifunction SDVO patch provided the right fix for it.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sdvo.c | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 5628de27538..1f4e9e9eac9 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -35,7 +35,6 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 #include "intel_sdvo_regs.h"
-#include <linux/dmi.h>
 
 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
@@ -2179,25 +2178,6 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
 		return 0x72;
 }
 
-static int intel_sdvo_bad_tv_callback(const struct dmi_system_id *id)
-{
-	DRM_DEBUG_KMS("Ignoring bad SDVO TV connector for %s\n", id->ident);
-	return 1;
-}
-
-static struct dmi_system_id intel_sdvo_bad_tv[] = {
-	{
-		.callback = intel_sdvo_bad_tv_callback,
-		.ident = "IntelG45/ICH10R/DME1737",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "IBM CORPORATION"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "4800784"),
-		},
-	},
-
-	{ }	/* terminating entry */
-};
-
 static bool
 intel_sdvo_connector_alloc (struct intel_connector **ret)
 {
@@ -2396,7 +2376,7 @@ intel_sdvo_output_setup(struct intel_encoder *intel_encoder, uint16_t flags)
 			return false;
 
 	/* TV has no XXX1 function block */
-	if ((flags & SDVO_OUTPUT_SVID0) && !dmi_check_system(intel_sdvo_bad_tv))
+	if (flags & SDVO_OUTPUT_SVID0)
 		if (!intel_sdvo_tv_init(intel_encoder, SDVO_OUTPUT_SVID0))
 			return false;
 

From ea059a1ec4496a10f94ca9d0c1b530faf1b85dce Mon Sep 17 00:00:00 2001
From: Luca Tettamanti <kronos.it@gmail.com>
Date: Thu, 8 Apr 2010 21:41:59 +0200
Subject: [PATCH 0418/3638] drm/i915: do not read uninitialized ->dev_private

->dev_private at that point is NULL and is initialied only a few lines
later.

Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index d2daff1f829..75248bedc1c 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1578,7 +1578,7 @@ static void i915_get_mem_freq(struct drm_device *dev)
  */
 int i915_driver_load(struct drm_device *dev, unsigned long flags)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_i915_private *dev_priv;
 	resource_size_t base, size;
 	int ret = 0, mmio_bar;
 	uint32_t agp_size, prealloc_size, prealloc_start;

From cfecde435dda78248d6fcdc424bed68d5db6be0b Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Thu, 8 Apr 2010 23:31:57 -0700
Subject: [PATCH 0419/3638] drm/i915: Don't enable pipe/plane/VCO early (wait
 for DPMS on).

The existing code handling the DPMS ON event is much more careful to
ensure that these registers are enabled according to strict sequencing
requirements. Enabling these early in mode_set simply defeats that.

Signed-off-by: Carl Worth <cworth@cworth.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_display.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3ee68bcce7b..243dfb80cd9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3463,11 +3463,6 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			pipeconf &= ~PIPEACONF_DOUBLE_WIDE;
 	}
 
-	dspcntr |= DISPLAY_PLANE_ENABLE;
-	pipeconf |= PIPEACONF_ENABLE;
-	dpll |= DPLL_VCO_ENABLE;
-
-
 	/* Disable the panel fitter if it was on our pipe */
 	if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe)
 		I915_WRITE(PFIT_CONTROL, 0);

From 461ed3caee9b615393eb5beb9a8148d230354b41 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Tue, 30 Mar 2010 15:11:33 +0800
Subject: [PATCH 0420/3638] drm/i915: Add support of SDVO on Ibexpeak PCH

SDVO on Ibexpeak PCH with Ironlake is multiplexed with
HDMIB port, and only has SDVOB port.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h      |  3 ++
 drivers/gpu/drm/i915/intel_display.c |  5 ++--
 drivers/gpu/drm/i915/intel_sdvo.c    | 44 ++++++++++++++++++++--------
 3 files changed, 36 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 8de8194a5e7..b4ff8152738 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2629,6 +2629,9 @@
 #define  HSYNC_ACTIVE_HIGH      (1 << 3)
 #define  PORT_DETECTED          (1 << 2)
 
+/* PCH SDVOB multiplex with HDMIB */
+#define PCH_SDVOB	HDMIB
+
 #define HDMIC   0xe1150
 #define HDMID   0xe1160
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 243dfb80cd9..32a24898786 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4670,9 +4670,8 @@ static void intel_setup_outputs(struct drm_device *dev)
 			intel_dp_init(dev, DP_A);
 
 		if (I915_READ(HDMIB) & PORT_DETECTED) {
-			/* check SDVOB */
-			/* found = intel_sdvo_init(dev, HDMIB); */
-			found = 0;
+			/* PCH SDVOB multiplex with HDMIB */
+			found = intel_sdvo_init(dev, PCH_SDVOB);
 			if (!found)
 				intel_hdmi_init(dev, HDMIB);
 			if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED))
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 1f4e9e9eac9..ea9cf4c689f 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -193,6 +193,12 @@ static void intel_sdvo_write_sdvox(struct intel_encoder *intel_encoder, u32 val)
 	u32 bval = val, cval = val;
 	int i;
 
+	if (sdvo_priv->sdvo_reg == PCH_SDVOB) {
+		I915_WRITE(sdvo_priv->sdvo_reg, val);
+		I915_READ(sdvo_priv->sdvo_reg);
+		return;
+	}
+
 	if (sdvo_priv->sdvo_reg == SDVOB) {
 		cval = I915_READ(SDVOC);
 	} else {
@@ -369,7 +375,8 @@ static const struct _sdvo_cmd_name {
     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 };
 
-#define SDVO_NAME(dev_priv) ((dev_priv)->sdvo_reg == SDVOB ? "SDVOB" : "SDVOC")
+#define IS_SDVOB(reg)	(reg == SDVOB || reg == PCH_SDVOB)
+#define SDVO_NAME(dev_priv) (IS_SDVOB((dev_priv)->sdvo_reg) ? "SDVOB" : "SDVOC")
 #define SDVO_PRIV(encoder)   ((struct intel_sdvo_priv *) (encoder)->dev_priv)
 
 static void intel_sdvo_debug_write(struct intel_encoder *intel_encoder, u8 cmd,
@@ -2147,7 +2154,7 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct sdvo_device_mapping *my_mapping, *other_mapping;
 
-	if (sdvo_reg == SDVOB) {
+	if (IS_SDVOB(sdvo_reg)) {
 		my_mapping = &dev_priv->sdvo_mappings[0];
 		other_mapping = &dev_priv->sdvo_mappings[1];
 	} else {
@@ -2172,7 +2179,7 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
 	/* No SDVO device info is found for another DVO port,
 	 * so use mapping assumption we had before BIOS parsing.
 	 */
-	if (sdvo_reg == SDVOB)
+	if (IS_SDVOB(sdvo_reg))
 		return 0x70;
 	else
 		return 0x72;
@@ -2777,6 +2784,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 	struct intel_sdvo_priv *sdvo_priv;
 	u8 ch[0x40];
 	int i;
+	u32 i2c_reg, ddc_reg, analog_ddc_reg;
 
 	intel_encoder = kcalloc(sizeof(struct intel_encoder)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
 	if (!intel_encoder) {
@@ -2789,11 +2797,21 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 	intel_encoder->dev_priv = sdvo_priv;
 	intel_encoder->type = INTEL_OUTPUT_SDVO;
 
+	if (HAS_PCH_SPLIT(dev)) {
+		i2c_reg = PCH_GPIOE;
+		ddc_reg = PCH_GPIOE;
+		analog_ddc_reg = PCH_GPIOA;
+	} else {
+		i2c_reg = GPIOE;
+		ddc_reg = GPIOE;
+		analog_ddc_reg = GPIOA;
+	}
+
 	/* setup the DDC bus. */
-	if (sdvo_reg == SDVOB)
-		intel_encoder->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
+	if (IS_SDVOB(sdvo_reg))
+		intel_encoder->i2c_bus = intel_i2c_create(dev, i2c_reg, "SDVOCTRL_E for SDVOB");
 	else
-		intel_encoder->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
+		intel_encoder->i2c_bus = intel_i2c_create(dev, i2c_reg, "SDVOCTRL_E for SDVOC");
 
 	if (!intel_encoder->i2c_bus)
 		goto err_inteloutput;
@@ -2807,20 +2825,20 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 	for (i = 0; i < 0x40; i++) {
 		if (!intel_sdvo_read_byte(intel_encoder, i, &ch[i])) {
 			DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
-					sdvo_reg == SDVOB ? 'B' : 'C');
+				      IS_SDVOB(sdvo_reg) ? 'B' : 'C');
 			goto err_i2c;
 		}
 	}
 
 	/* setup the DDC bus. */
-	if (sdvo_reg == SDVOB) {
-		intel_encoder->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
-		sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
+	if (IS_SDVOB(sdvo_reg)) {
+		intel_encoder->ddc_bus = intel_i2c_create(dev, ddc_reg, "SDVOB DDC BUS");
+		sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, analog_ddc_reg,
 						"SDVOB/VGA DDC BUS");
 		dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
 	} else {
-		intel_encoder->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
-		sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
+		intel_encoder->ddc_bus = intel_i2c_create(dev, ddc_reg, "SDVOC DDC BUS");
+		sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, analog_ddc_reg,
 						"SDVOC/VGA DDC BUS");
 		dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
 	}
@@ -2841,7 +2859,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 	if (intel_sdvo_output_setup(intel_encoder,
 				    sdvo_priv->caps.output_flags) != true) {
 		DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
-			  sdvo_reg == SDVOB ? 'B' : 'C');
+			      IS_SDVOB(sdvo_reg) ? 'B' : 'C');
 		goto err_i2c;
 	}
 

From 8a1837cef7762413c29432b782607bd6c1898d4e Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Tue, 30 Mar 2010 15:15:02 +0800
Subject: [PATCH 0421/3638] drm/i915: Fix the incorrect argument for SDVO
 SET_TV_format command

Otherwise it will cause that S-video output becomes black/white when
switching to other TV format.

http://bugs.freedesktop.org/show_bug.cgi?id=23916

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Tested-by: Arnold <arnold.erbsloeh@web.de>
Tested-by: Bazin <bazin.cz@gmail.com>
Tested-by: Nigel <nigel_tuck@eircom.net>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sdvo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index ea9cf4c689f..df9f997fcf6 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1032,7 +1032,7 @@ static void intel_sdvo_set_tv_format(struct intel_encoder *intel_encoder)
 	memcpy(&format, &format_map, sizeof(format_map) > sizeof(format) ?
 			sizeof(format) : sizeof(format_map));
 
-	intel_sdvo_write_cmd(intel_encoder, SDVO_CMD_SET_TV_FORMAT, &format_map,
+	intel_sdvo_write_cmd(intel_encoder, SDVO_CMD_SET_TV_FORMAT, &format,
 			     sizeof(format));
 
 	status = intel_sdvo_read_response(intel_encoder, NULL, 0);

From a2c459ee9aa52a659611ec1f1b43bfde49017b23 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Fri, 19 Mar 2010 17:05:10 +0800
Subject: [PATCH 0422/3638] drm/i915: Only save/restore FBC on the platform
 that supports FBC

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_suspend.c | 41 ++++++++++++++++-------------
 1 file changed, 22 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index ac0d1a73ac2..60a5800fba6 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -600,14 +600,16 @@ void i915_save_display(struct drm_device *dev)
 	}
 	/* FIXME: save TV & SDVO state */
 
-	/* FBC state */
-	if (IS_GM45(dev)) {
-		dev_priv->saveDPFC_CB_BASE = I915_READ(DPFC_CB_BASE);
-	} else {
-		dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE);
-		dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE);
-		dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2);
-		dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL);
+	/* Only save FBC state on the platform that supports FBC */
+	if (I915_HAS_FBC(dev)) {
+		if (IS_GM45(dev)) {
+			dev_priv->saveDPFC_CB_BASE = I915_READ(DPFC_CB_BASE);
+		} else {
+			dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE);
+			dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE);
+			dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2);
+			dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL);
+		}
 	}
 
 	/* VGA state */
@@ -702,18 +704,19 @@ void i915_restore_display(struct drm_device *dev)
 	}
 	/* FIXME: restore TV & SDVO state */
 
-	/* FBC info */
-	if (IS_GM45(dev)) {
-		g4x_disable_fbc(dev);
-		I915_WRITE(DPFC_CB_BASE, dev_priv->saveDPFC_CB_BASE);
-	} else {
-		i8xx_disable_fbc(dev);
-		I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE);
-		I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE);
-		I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2);
-		I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL);
+	/* only restore FBC info on the platform that supports FBC*/
+	if (I915_HAS_FBC(dev)) {
+		if (IS_GM45(dev)) {
+			g4x_disable_fbc(dev);
+			I915_WRITE(DPFC_CB_BASE, dev_priv->saveDPFC_CB_BASE);
+		} else {
+			i8xx_disable_fbc(dev);
+			I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE);
+			I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE);
+			I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2);
+			I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL);
+		}
 	}
-
 	/* VGA state */
 	if (IS_IRONLAKE(dev))
 		I915_WRITE(CPU_VGACNTRL, dev_priv->saveVGACNTRL);

From d4294342fd4b94a3297867da00c1c5e929c28d4f Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 22 Mar 2010 22:45:36 +0800
Subject: [PATCH 0423/3638] drm/i915: Move Pineview CxSR and watermark code
 into update_wm hook.

Previously, after setting up the Pineview CxSR state, i9xx_update_wm would
get called and overwrite our state.

BTW: We will disable the self-refresh and never enable it any more if we
can't find the appropriate the latency on pineview plaftorm. In such case
the update_wm callback will be NULL.

The bitmask macro is also defined to access the corresponding fifo
watermark register.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h      |   9 ++
 drivers/gpu/drm/i915/intel_display.c | 153 ++++++++++++++-------------
 2 files changed, 88 insertions(+), 74 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b4ff8152738..6d8bf6220e1 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1986,15 +1986,24 @@
 
 #define DSPFW1			0x70034
 #define   DSPFW_SR_SHIFT	23
+#define   DSPFW_SR_MASK 	(0x1ff<<23)
 #define   DSPFW_CURSORB_SHIFT	16
+#define   DSPFW_CURSORB_MASK	(0x3f<<16)
 #define   DSPFW_PLANEB_SHIFT	8
+#define   DSPFW_PLANEB_MASK	(0x7f<<8)
+#define   DSPFW_PLANEA_MASK	(0x7f)
 #define DSPFW2			0x70038
 #define   DSPFW_CURSORA_MASK	0x00003f00
 #define   DSPFW_CURSORA_SHIFT	8
+#define   DSPFW_PLANEC_MASK	(0x7f)
 #define DSPFW3			0x7003c
 #define   DSPFW_HPLL_SR_EN	(1<<31)
 #define   DSPFW_CURSOR_SR_SHIFT	24
 #define   PINEVIEW_SELF_REFRESH_EN	(1<<30)
+#define   DSPFW_CURSOR_SR_MASK		(0x3f<<24)
+#define   DSPFW_HPLL_CURSOR_SHIFT	16
+#define   DSPFW_HPLL_CURSOR_MASK	(0x3f<<16)
+#define   DSPFW_HPLL_SR_MASK		(0x1ff)
 
 /* FIFO watermark sizes etc */
 #define G4X_FIFO_LINE_SIZE	64
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 32a24898786..e38c9068a04 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2645,66 +2645,6 @@ static void pineview_disable_cxsr(struct drm_device *dev)
 	DRM_INFO("Big FIFO is disabled\n");
 }
 
-static void pineview_enable_cxsr(struct drm_device *dev, unsigned long clock,
-				 int pixel_size)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 reg;
-	unsigned long wm;
-	struct cxsr_latency *latency;
-
-	latency = intel_get_cxsr_latency(IS_PINEVIEW_G(dev), dev_priv->fsb_freq,
-		dev_priv->mem_freq);
-	if (!latency) {
-		DRM_DEBUG_KMS("Unknown FSB/MEM found, disable CxSR\n");
-		pineview_disable_cxsr(dev);
-		return;
-	}
-
-	/* Display SR */
-	wm = intel_calculate_wm(clock, &pineview_display_wm, pixel_size,
-				latency->display_sr);
-	reg = I915_READ(DSPFW1);
-	reg &= 0x7fffff;
-	reg |= wm << 23;
-	I915_WRITE(DSPFW1, reg);
-	DRM_DEBUG_KMS("DSPFW1 register is %x\n", reg);
-
-	/* cursor SR */
-	wm = intel_calculate_wm(clock, &pineview_cursor_wm, pixel_size,
-				latency->cursor_sr);
-	reg = I915_READ(DSPFW3);
-	reg &= ~(0x3f << 24);
-	reg |= (wm & 0x3f) << 24;
-	I915_WRITE(DSPFW3, reg);
-
-	/* Display HPLL off SR */
-	wm = intel_calculate_wm(clock, &pineview_display_hplloff_wm,
-		latency->display_hpll_disable, I915_FIFO_LINE_SIZE);
-	reg = I915_READ(DSPFW3);
-	reg &= 0xfffffe00;
-	reg |= wm & 0x1ff;
-	I915_WRITE(DSPFW3, reg);
-
-	/* cursor HPLL off SR */
-	wm = intel_calculate_wm(clock, &pineview_cursor_hplloff_wm, pixel_size,
-				latency->cursor_hpll_disable);
-	reg = I915_READ(DSPFW3);
-	reg &= ~(0x3f << 16);
-	reg |= (wm & 0x3f) << 16;
-	I915_WRITE(DSPFW3, reg);
-	DRM_DEBUG_KMS("DSPFW3 register is %x\n", reg);
-
-	/* activate cxsr */
-	reg = I915_READ(DSPFW3);
-	reg |= PINEVIEW_SELF_REFRESH_EN;
-	I915_WRITE(DSPFW3, reg);
-
-	DRM_INFO("Big FIFO is enabled\n");
-
-	return;
-}
-
 /*
  * Latency for FIFO fetches is dependent on several factors:
  *   - memory configuration (speed, channels)
@@ -2789,6 +2729,71 @@ static int i830_get_fifo_size(struct drm_device *dev, int plane)
 	return size;
 }
 
+static void pineview_update_wm(struct drm_device *dev,  int planea_clock,
+			  int planeb_clock, int sr_hdisplay, int pixel_size)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 reg;
+	unsigned long wm;
+	struct cxsr_latency *latency;
+	int sr_clock;
+
+	latency = intel_get_cxsr_latency(IS_PINEVIEW_G(dev), dev_priv->fsb_freq,
+					 dev_priv->mem_freq);
+	if (!latency) {
+		DRM_DEBUG_KMS("Unknown FSB/MEM found, disable CxSR\n");
+		pineview_disable_cxsr(dev);
+		return;
+	}
+
+	if (!planea_clock || !planeb_clock) {
+		sr_clock = planea_clock ? planea_clock : planeb_clock;
+
+		/* Display SR */
+		wm = intel_calculate_wm(sr_clock, &pineview_display_wm,
+					pixel_size, latency->display_sr);
+		reg = I915_READ(DSPFW1);
+		reg &= ~DSPFW_SR_MASK;
+		reg |= wm << DSPFW_SR_SHIFT;
+		I915_WRITE(DSPFW1, reg);
+		DRM_DEBUG_KMS("DSPFW1 register is %x\n", reg);
+
+		/* cursor SR */
+		wm = intel_calculate_wm(sr_clock, &pineview_cursor_wm,
+					pixel_size, latency->cursor_sr);
+		reg = I915_READ(DSPFW3);
+		reg &= ~DSPFW_CURSOR_SR_MASK;
+		reg |= (wm & 0x3f) << DSPFW_CURSOR_SR_SHIFT;
+		I915_WRITE(DSPFW3, reg);
+
+		/* Display HPLL off SR */
+		wm = intel_calculate_wm(sr_clock, &pineview_display_hplloff_wm,
+					pixel_size, latency->display_hpll_disable);
+		reg = I915_READ(DSPFW3);
+		reg &= ~DSPFW_HPLL_SR_MASK;
+		reg |= wm & DSPFW_HPLL_SR_MASK;
+		I915_WRITE(DSPFW3, reg);
+
+		/* cursor HPLL off SR */
+		wm = intel_calculate_wm(sr_clock, &pineview_cursor_hplloff_wm,
+					pixel_size, latency->cursor_hpll_disable);
+		reg = I915_READ(DSPFW3);
+		reg &= ~DSPFW_HPLL_CURSOR_MASK;
+		reg |= (wm & 0x3f) << DSPFW_HPLL_CURSOR_SHIFT;
+		I915_WRITE(DSPFW3, reg);
+		DRM_DEBUG_KMS("DSPFW3 register is %x\n", reg);
+
+		/* activate cxsr */
+		reg = I915_READ(DSPFW3);
+		reg |= PINEVIEW_SELF_REFRESH_EN;
+		I915_WRITE(DSPFW3, reg);
+		DRM_DEBUG_KMS("Self-refresh is enabled\n");
+	} else {
+		pineview_disable_cxsr(dev);
+		DRM_DEBUG_KMS("Self-refresh is disabled\n");
+	}
+}
+
 static void g4x_update_wm(struct drm_device *dev,  int planea_clock,
 			  int planeb_clock, int sr_hdisplay, int pixel_size)
 {
@@ -3078,12 +3083,6 @@ static void intel_update_watermarks(struct drm_device *dev)
 	if (enabled <= 0)
 		return;
 
-	/* Single plane configs can enable self refresh */
-	if (enabled == 1 && IS_PINEVIEW(dev))
-		pineview_enable_cxsr(dev, sr_clock, pixel_size);
-	else if (IS_PINEVIEW(dev))
-		pineview_disable_cxsr(dev);
-
 	dev_priv->display.update_wm(dev, planea_clock, planeb_clock,
 				    sr_hdisplay, pixel_size);
 }
@@ -5091,7 +5090,20 @@ static void intel_init_display(struct drm_device *dev)
 	/* For FIFO watermark updates */
 	if (HAS_PCH_SPLIT(dev))
 		dev_priv->display.update_wm = NULL;
-	else if (IS_G4X(dev))
+	else if (IS_PINEVIEW(dev)) {
+		if (!intel_get_cxsr_latency(IS_PINEVIEW_G(dev),
+					    dev_priv->fsb_freq,
+					    dev_priv->mem_freq)) {
+			DRM_INFO("failed to find known CxSR latency "
+				 "(found fsb freq %d, mem freq %d), "
+				 "disabling CxSR\n",
+				 dev_priv->fsb_freq, dev_priv->mem_freq);
+			/* Disable CxSR and never update its watermark again */
+			pineview_disable_cxsr(dev);
+			dev_priv->display.update_wm = NULL;
+		} else
+			dev_priv->display.update_wm = pineview_update_wm;
+	} else if (IS_G4X(dev))
 		dev_priv->display.update_wm = g4x_update_wm;
 	else if (IS_I965G(dev))
 		dev_priv->display.update_wm = i965_update_wm;
@@ -5164,13 +5176,6 @@ void intel_modeset_init(struct drm_device *dev)
 		    (unsigned long)dev);
 
 	intel_setup_overlay(dev);
-
-	if (IS_PINEVIEW(dev) && !intel_get_cxsr_latency(IS_PINEVIEW_G(dev),
-							dev_priv->fsb_freq,
-							dev_priv->mem_freq))
-		DRM_INFO("failed to find known CxSR latency "
-			 "(found fsb freq %d, mem freq %d), disabling CxSR\n",
-			 dev_priv->fsb_freq, dev_priv->mem_freq);
 }
 
 void intel_modeset_cleanup(struct drm_device *dev)

From 7f8a85698f5c8a981641ec0bdf9926768786db9d Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Thu, 1 Apr 2010 13:07:53 +0800
Subject: [PATCH 0424/3638] drm/i915: Add the support of memory self-refresh on
 Ironlake

Update the self-refresh watermark for display plane/cursor and enable
the memory self-refresh on Ironlake. The watermark is also updated for
the active display plane.

More than 1W idle power is saved on one Ironlake laptop after enabling
memory self-refresh.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h      |  44 ++++++++
 drivers/gpu/drm/i915/intel_display.c | 160 ++++++++++++++++++++++++++-
 2 files changed, 201 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 6d8bf6220e1..527d30aecda 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2030,6 +2030,43 @@
 #define PINEVIEW_CURSOR_DFT_WM	0
 #define PINEVIEW_CURSOR_GUARD_WM	5
 
+
+/* define the Watermark register on Ironlake */
+#define WM0_PIPEA_ILK		0x45100
+#define  WM0_PIPE_PLANE_MASK	(0x7f<<16)
+#define  WM0_PIPE_PLANE_SHIFT	16
+#define  WM0_PIPE_SPRITE_MASK	(0x3f<<8)
+#define  WM0_PIPE_SPRITE_SHIFT	8
+#define  WM0_PIPE_CURSOR_MASK	(0x1f)
+
+#define WM0_PIPEB_ILK		0x45104
+#define WM1_LP_ILK		0x45108
+#define  WM1_LP_SR_EN		(1<<31)
+#define  WM1_LP_LATENCY_SHIFT	24
+#define  WM1_LP_LATENCY_MASK	(0x7f<<24)
+#define  WM1_LP_SR_MASK		(0x1ff<<8)
+#define  WM1_LP_SR_SHIFT	8
+#define  WM1_LP_CURSOR_MASK	(0x3f)
+
+/* Memory latency timer register */
+#define MLTR_ILK		0x11222
+/* the unit of memory self-refresh latency time is 0.5us */
+#define  ILK_SRLT_MASK		0x3f
+
+/* define the fifo size on Ironlake */
+#define ILK_DISPLAY_FIFO	128
+#define ILK_DISPLAY_MAXWM	64
+#define ILK_DISPLAY_DFTWM	8
+
+#define ILK_DISPLAY_SR_FIFO	512
+#define ILK_DISPLAY_MAX_SRWM	0x1ff
+#define ILK_DISPLAY_DFT_SRWM	0x3f
+#define ILK_CURSOR_SR_FIFO	64
+#define ILK_CURSOR_MAX_SRWM	0x3f
+#define ILK_CURSOR_DFT_SRWM	8
+
+#define ILK_FIFO_LINE_SIZE	64
+
 /*
  * The two pipe frame counter registers are not synchronized, so
  * reading a stable value is somewhat tricky. The following code
@@ -2310,8 +2347,15 @@
 #define GTIIR   0x44018
 #define GTIER   0x4401c
 
+#define ILK_DISPLAY_CHICKEN2	0x42004
+#define  ILK_DPARB_GATE	(1<<22)
+#define  ILK_VSDPFD_FULL	(1<<21)
+#define ILK_DSPCLK_GATE		0x42020
+#define  ILK_DPARB_CLK_GATE	(1<<5)
+
 #define DISP_ARB_CTL	0x45000
 #define  DISP_TILE_SURFACE_SWIZZLING	(1<<13)
+#define  DISP_FBC_WM_DIS		(1<<15)
 
 /* PCH */
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e38c9068a04..9fdea06f3e7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2527,6 +2527,30 @@ static struct intel_watermark_params i830_wm_info = {
 	I830_FIFO_LINE_SIZE
 };
 
+static struct intel_watermark_params ironlake_display_wm_info = {
+	ILK_DISPLAY_FIFO,
+	ILK_DISPLAY_MAXWM,
+	ILK_DISPLAY_DFTWM,
+	2,
+	ILK_FIFO_LINE_SIZE
+};
+
+static struct intel_watermark_params ironlake_display_srwm_info = {
+	ILK_DISPLAY_SR_FIFO,
+	ILK_DISPLAY_MAX_SRWM,
+	ILK_DISPLAY_DFT_SRWM,
+	2,
+	ILK_FIFO_LINE_SIZE
+};
+
+static struct intel_watermark_params ironlake_cursor_srwm_info = {
+	ILK_CURSOR_SR_FIFO,
+	ILK_CURSOR_MAX_SRWM,
+	ILK_CURSOR_DFT_SRWM,
+	2,
+	ILK_FIFO_LINE_SIZE
+};
+
 /**
  * intel_calculate_wm - calculate watermark level
  * @clock_in_khz: pixel clock
@@ -3014,6 +3038,108 @@ static void i830_update_wm(struct drm_device *dev, int planea_clock, int unused,
 	I915_WRITE(FW_BLC, fwater_lo);
 }
 
+#define ILK_LP0_PLANE_LATENCY		700
+
+static void ironlake_update_wm(struct drm_device *dev,  int planea_clock,
+		       int planeb_clock, int sr_hdisplay, int pixel_size)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	int planea_wm, planeb_wm, cursora_wm, cursorb_wm;
+	int sr_wm, cursor_wm;
+	unsigned long line_time_us;
+	int sr_clock, entries_required;
+	u32 reg_value;
+
+	/* Calculate and update the watermark for plane A */
+	if (planea_clock) {
+		entries_required = ((planea_clock / 1000) * pixel_size *
+				     ILK_LP0_PLANE_LATENCY) / 1000;
+		entries_required = DIV_ROUND_UP(entries_required,
+				   ironlake_display_wm_info.cacheline_size);
+		planea_wm = entries_required +
+			    ironlake_display_wm_info.guard_size;
+
+		if (planea_wm > (int)ironlake_display_wm_info.max_wm)
+			planea_wm = ironlake_display_wm_info.max_wm;
+
+		cursora_wm = 16;
+		reg_value = I915_READ(WM0_PIPEA_ILK);
+		reg_value &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
+		reg_value |= (planea_wm << WM0_PIPE_PLANE_SHIFT) |
+			     (cursora_wm & WM0_PIPE_CURSOR_MASK);
+		I915_WRITE(WM0_PIPEA_ILK, reg_value);
+		DRM_DEBUG_KMS("FIFO watermarks For pipe A - plane %d, "
+				"cursor: %d\n", planea_wm, cursora_wm);
+	}
+	/* Calculate and update the watermark for plane B */
+	if (planeb_clock) {
+		entries_required = ((planeb_clock / 1000) * pixel_size *
+				     ILK_LP0_PLANE_LATENCY) / 1000;
+		entries_required = DIV_ROUND_UP(entries_required,
+				   ironlake_display_wm_info.cacheline_size);
+		planeb_wm = entries_required +
+			    ironlake_display_wm_info.guard_size;
+
+		if (planeb_wm > (int)ironlake_display_wm_info.max_wm)
+			planeb_wm = ironlake_display_wm_info.max_wm;
+
+		cursorb_wm = 16;
+		reg_value = I915_READ(WM0_PIPEB_ILK);
+		reg_value &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
+		reg_value |= (planeb_wm << WM0_PIPE_PLANE_SHIFT) |
+			     (cursorb_wm & WM0_PIPE_CURSOR_MASK);
+		I915_WRITE(WM0_PIPEB_ILK, reg_value);
+		DRM_DEBUG_KMS("FIFO watermarks For pipe B - plane %d, "
+				"cursor: %d\n", planeb_wm, cursorb_wm);
+	}
+
+	/*
+	 * Calculate and update the self-refresh watermark only when one
+	 * display plane is used.
+	 */
+	if (!planea_clock || !planeb_clock) {
+		int line_count;
+		/* Read the self-refresh latency. The unit is 0.5us */
+		int ilk_sr_latency = I915_READ(MLTR_ILK) & ILK_SRLT_MASK;
+
+		sr_clock = planea_clock ? planea_clock : planeb_clock;
+		line_time_us = ((sr_hdisplay * 1000) / sr_clock);
+
+		/* Use ns/us then divide to preserve precision */
+		line_count = ((ilk_sr_latency * 500) / line_time_us + 1000)
+			       / 1000;
+
+		/* calculate the self-refresh watermark for display plane */
+		entries_required = line_count * sr_hdisplay * pixel_size;
+		entries_required = DIV_ROUND_UP(entries_required,
+				   ironlake_display_srwm_info.cacheline_size);
+		sr_wm = entries_required +
+			ironlake_display_srwm_info.guard_size;
+
+		/* calculate the self-refresh watermark for display cursor */
+		entries_required = line_count * pixel_size * 64;
+		entries_required = DIV_ROUND_UP(entries_required,
+				   ironlake_cursor_srwm_info.cacheline_size);
+		cursor_wm = entries_required +
+			    ironlake_cursor_srwm_info.guard_size;
+
+		/* configure watermark and enable self-refresh */
+		reg_value = I915_READ(WM1_LP_ILK);
+		reg_value &= ~(WM1_LP_LATENCY_MASK | WM1_LP_SR_MASK |
+			       WM1_LP_CURSOR_MASK);
+		reg_value |= WM1_LP_SR_EN |
+			     (ilk_sr_latency << WM1_LP_LATENCY_SHIFT) |
+			     (sr_wm << WM1_LP_SR_SHIFT) | cursor_wm;
+
+		I915_WRITE(WM1_LP_ILK, reg_value);
+		DRM_DEBUG_KMS("self-refresh watermark: display plane %d "
+				"cursor %d\n", sr_wm, cursor_wm);
+
+	} else {
+		/* Turn off self refresh if both pipes are enabled */
+		I915_WRITE(WM1_LP_ILK, I915_READ(WM1_LP_ILK) & ~WM1_LP_SR_EN);
+	}
+}
 /**
  * intel_update_watermarks - update FIFO watermark values based on current modes
  *
@@ -4973,6 +5099,25 @@ void intel_init_clock_gating(struct drm_device *dev)
 		}
 
 		I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate);
+
+		/*
+		 * According to the spec the following bits should be set in
+		 * order to enable memory self-refresh
+		 * The bit 22/21 of 0x42004
+		 * The bit 5 of 0x42020
+		 * The bit 15 of 0x45000
+		 */
+		if (IS_IRONLAKE(dev)) {
+			I915_WRITE(ILK_DISPLAY_CHICKEN2,
+					(I915_READ(ILK_DISPLAY_CHICKEN2) |
+					ILK_DPARB_GATE | ILK_VSDPFD_FULL));
+			I915_WRITE(ILK_DSPCLK_GATE,
+					(I915_READ(ILK_DSPCLK_GATE) |
+						ILK_DPARB_CLK_GATE));
+			I915_WRITE(DISP_ARB_CTL,
+					(I915_READ(DISP_ARB_CTL) |
+						DISP_FBC_WM_DIS));
+		}
 		return;
 	} else if (IS_G4X(dev)) {
 		uint32_t dspclk_gate;
@@ -5088,9 +5233,18 @@ static void intel_init_display(struct drm_device *dev)
 			i830_get_display_clock_speed;
 
 	/* For FIFO watermark updates */
-	if (HAS_PCH_SPLIT(dev))
-		dev_priv->display.update_wm = NULL;
-	else if (IS_PINEVIEW(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
+		if (IS_IRONLAKE(dev)) {
+			if (I915_READ(MLTR_ILK) & ILK_SRLT_MASK)
+				dev_priv->display.update_wm = ironlake_update_wm;
+			else {
+				DRM_DEBUG_KMS("Failed to get proper latency. "
+					      "Disable CxSR\n");
+				dev_priv->display.update_wm = NULL;
+			}
+		} else
+			dev_priv->display.update_wm = NULL;
+	} else if (IS_PINEVIEW(dev)) {
 		if (!intel_get_cxsr_latency(IS_PINEVIEW_G(dev),
 					    dev_priv->fsb_freq,
 					    dev_priv->mem_freq)) {

From cb694769f0d0c1f6fb8c9dc806c0a68da1056055 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 13 Apr 2010 13:54:39 +1000
Subject: [PATCH 0425/3638] Revert "powerpc/mm: Bump SECTION_SIZE_BITS from
 16MB to 256MB"

This reverts commit 7545ba6f82924d4523f8f8a2baf2e517a750265d.

It breaks eHEA among other issues
---
 arch/powerpc/include/asm/sparsemem.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/sparsemem.h b/arch/powerpc/include/asm/sparsemem.h
index 13fe0a0e580..54a47ea2c3a 100644
--- a/arch/powerpc/include/asm/sparsemem.h
+++ b/arch/powerpc/include/asm/sparsemem.h
@@ -8,7 +8,7 @@
  * MAX_PHYSADDR_BITS		2^N: how much physical address space we have
  * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space
  */
-#define SECTION_SIZE_BITS       28
+#define SECTION_SIZE_BITS       24
 
 #define MAX_PHYSADDR_BITS       44
 #define MAX_PHYSMEM_BITS        44

From 34d0f179d6dd711d3fc13c0820a456c59aae8048 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Tue, 13 Apr 2010 16:05:49 +0800
Subject: [PATCH 0426/3638] io-controller: Add a new interface "weight_device"
 for IO-Controller

Currently, IO Controller makes use of blkio.weight to assign weight for
all devices. Here a new user interface "blkio.weight_device" is introduced to
assign different weights for different devices. blkio.weight becomes the
default value for devices which are not configured by "blkio.weight_device"

You can use the following format to assigned specific weight for a given
device:
#echo "major:minor weight" > blkio.weight_device

major:minor represents device number.

And you can remove weight for a given device as following:
#echo "major:minor 0" > blkio.weight_device

V1->V2 changes:
- use user interface "weight_device" instead of "policy" suggested by Vivek
- rename some struct suggested by Vivek
- rebase to 2.6-block "for-linus" branch
- remove an useless list_empty check pointed out by Li Zefan
- some trivial typo fix

V2->V3 changes:
- Move policy_*_node() functions up to get rid of forward declarations
- rename related functions by adding prefix "blkio_"

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c  | 236 ++++++++++++++++++++++++++++++++++++++++++++
 block/blk-cgroup.h  |  10 ++
 block/cfq-iosched.c |   2 +-
 3 files changed, 247 insertions(+), 1 deletion(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 1ecff7a39f2..649b05d7f29 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -17,6 +17,7 @@
 #include <linux/err.h>
 #include <linux/blkdev.h>
 #include "blk-cgroup.h"
+#include <linux/genhd.h>
 
 #define MAX_KEY_LEN 100
 
@@ -51,6 +52,32 @@ struct cgroup_subsys blkio_subsys = {
 };
 EXPORT_SYMBOL_GPL(blkio_subsys);
 
+static inline void blkio_policy_insert_node(struct blkio_cgroup *blkcg,
+					    struct blkio_policy_node *pn)
+{
+	list_add(&pn->node, &blkcg->policy_list);
+}
+
+/* Must be called with blkcg->lock held */
+static inline void blkio_policy_delete_node(struct blkio_policy_node *pn)
+{
+	list_del(&pn->node);
+}
+
+/* Must be called with blkcg->lock held */
+static struct blkio_policy_node *
+blkio_policy_search_node(const struct blkio_cgroup *blkcg, dev_t dev)
+{
+	struct blkio_policy_node *pn;
+
+	list_for_each_entry(pn, &blkcg->policy_list, node) {
+		if (pn->dev == dev)
+			return pn;
+	}
+
+	return NULL;
+}
+
 struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup)
 {
 	return container_of(cgroup_subsys_state(cgroup, blkio_subsys_id),
@@ -398,6 +425,7 @@ blkiocg_weight_write(struct cgroup *cgroup, struct cftype *cftype, u64 val)
 	struct blkio_group *blkg;
 	struct hlist_node *n;
 	struct blkio_policy_type *blkiop;
+	struct blkio_policy_node *pn;
 
 	if (val < BLKIO_WEIGHT_MIN || val > BLKIO_WEIGHT_MAX)
 		return -EINVAL;
@@ -406,7 +434,13 @@ blkiocg_weight_write(struct cgroup *cgroup, struct cftype *cftype, u64 val)
 	spin_lock(&blkio_list_lock);
 	spin_lock_irq(&blkcg->lock);
 	blkcg->weight = (unsigned int)val;
+
 	hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
+		pn = blkio_policy_search_node(blkcg, blkg->dev);
+
+		if (pn)
+			continue;
+
 		list_for_each_entry(blkiop, &blkio_list, list)
 			blkiop->ops.blkio_update_group_weight_fn(blkg,
 					blkcg->weight);
@@ -611,7 +645,202 @@ void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 EXPORT_SYMBOL_GPL(blkiocg_update_dequeue_stats);
 #endif
 
+static int blkio_check_dev_num(dev_t dev)
+{
+	int part = 0;
+	struct gendisk *disk;
+
+	disk = get_gendisk(dev, &part);
+	if (!disk || part)
+		return -ENODEV;
+
+	return 0;
+}
+
+static int blkio_policy_parse_and_set(char *buf,
+				      struct blkio_policy_node *newpn)
+{
+	char *s[4], *p, *major_s = NULL, *minor_s = NULL;
+	int ret;
+	unsigned long major, minor, temp;
+	int i = 0;
+	dev_t dev;
+
+	memset(s, 0, sizeof(s));
+
+	while ((p = strsep(&buf, " ")) != NULL) {
+		if (!*p)
+			continue;
+
+		s[i++] = p;
+
+		/* Prevent from inputing too many things */
+		if (i == 3)
+			break;
+	}
+
+	if (i != 2)
+		return -EINVAL;
+
+	p = strsep(&s[0], ":");
+	if (p != NULL)
+		major_s = p;
+	else
+		return -EINVAL;
+
+	minor_s = s[0];
+	if (!minor_s)
+		return -EINVAL;
+
+	ret = strict_strtoul(major_s, 10, &major);
+	if (ret)
+		return -EINVAL;
+
+	ret = strict_strtoul(minor_s, 10, &minor);
+	if (ret)
+		return -EINVAL;
+
+	dev = MKDEV(major, minor);
+
+	ret = blkio_check_dev_num(dev);
+	if (ret)
+		return ret;
+
+	newpn->dev = dev;
+
+	if (s[1] == NULL)
+		return -EINVAL;
+
+	ret = strict_strtoul(s[1], 10, &temp);
+	if (ret || (temp < BLKIO_WEIGHT_MIN && temp > 0) ||
+	    temp > BLKIO_WEIGHT_MAX)
+		return -EINVAL;
+
+	newpn->weight =  temp;
+
+	return 0;
+}
+
+unsigned int blkcg_get_weight(struct blkio_cgroup *blkcg,
+			      dev_t dev)
+{
+	struct blkio_policy_node *pn;
+
+	pn = blkio_policy_search_node(blkcg, dev);
+	if (pn)
+		return pn->weight;
+	else
+		return blkcg->weight;
+}
+EXPORT_SYMBOL_GPL(blkcg_get_weight);
+
+
+static int blkiocg_weight_device_write(struct cgroup *cgrp, struct cftype *cft,
+				       const char *buffer)
+{
+	int ret = 0;
+	char *buf;
+	struct blkio_policy_node *newpn, *pn;
+	struct blkio_cgroup *blkcg;
+	struct blkio_group *blkg;
+	int keep_newpn = 0;
+	struct hlist_node *n;
+	struct blkio_policy_type *blkiop;
+
+	buf = kstrdup(buffer, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	newpn = kzalloc(sizeof(*newpn), GFP_KERNEL);
+	if (!newpn) {
+		ret = -ENOMEM;
+		goto free_buf;
+	}
+
+	ret = blkio_policy_parse_and_set(buf, newpn);
+	if (ret)
+		goto free_newpn;
+
+	blkcg = cgroup_to_blkio_cgroup(cgrp);
+
+	spin_lock_irq(&blkcg->lock);
+
+	pn = blkio_policy_search_node(blkcg, newpn->dev);
+	if (!pn) {
+		if (newpn->weight != 0) {
+			blkio_policy_insert_node(blkcg, newpn);
+			keep_newpn = 1;
+		}
+		spin_unlock_irq(&blkcg->lock);
+		goto update_io_group;
+	}
+
+	if (newpn->weight == 0) {
+		/* weight == 0 means deleteing a specific weight */
+		blkio_policy_delete_node(pn);
+		spin_unlock_irq(&blkcg->lock);
+		goto update_io_group;
+	}
+	spin_unlock_irq(&blkcg->lock);
+
+	pn->weight = newpn->weight;
+
+update_io_group:
+	/* update weight for each cfqg */
+	spin_lock(&blkio_list_lock);
+	spin_lock_irq(&blkcg->lock);
+
+	hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
+		if (newpn->dev == blkg->dev) {
+			list_for_each_entry(blkiop, &blkio_list, list)
+				blkiop->ops.blkio_update_group_weight_fn(blkg,
+							 newpn->weight ?
+							 newpn->weight :
+							 blkcg->weight);
+		}
+	}
+
+	spin_unlock_irq(&blkcg->lock);
+	spin_unlock(&blkio_list_lock);
+
+free_newpn:
+	if (!keep_newpn)
+		kfree(newpn);
+free_buf:
+	kfree(buf);
+	return ret;
+}
+
+static int blkiocg_weight_device_read(struct cgroup *cgrp, struct cftype *cft,
+				      struct seq_file *m)
+{
+	struct blkio_cgroup *blkcg;
+	struct blkio_policy_node *pn;
+
+	seq_printf(m, "dev\tweight\n");
+
+	blkcg = cgroup_to_blkio_cgroup(cgrp);
+	if (list_empty(&blkcg->policy_list))
+		goto out;
+
+	spin_lock_irq(&blkcg->lock);
+	list_for_each_entry(pn, &blkcg->policy_list, node) {
+		seq_printf(m, "%u:%u\t%u\n", MAJOR(pn->dev),
+			   MINOR(pn->dev), pn->weight);
+	}
+	spin_unlock_irq(&blkcg->lock);
+
+out:
+	return 0;
+}
+
 struct cftype blkio_files[] = {
+	{
+		.name = "weight_device",
+		.read_seq_string = blkiocg_weight_device_read,
+		.write_string = blkiocg_weight_device_write,
+		.max_write_len = 256,
+	},
 	{
 		.name = "weight",
 		.read_u64 = blkiocg_weight_read,
@@ -690,6 +919,7 @@ static void blkiocg_destroy(struct cgroup_subsys *subsys, struct cgroup *cgroup)
 	struct blkio_group *blkg;
 	void *key;
 	struct blkio_policy_type *blkiop;
+	struct blkio_policy_node *pn, *pntmp;
 
 	rcu_read_lock();
 remove_entry:
@@ -720,7 +950,12 @@ remove_entry:
 		blkiop->ops.blkio_unlink_group_fn(key, blkg);
 	spin_unlock(&blkio_list_lock);
 	goto remove_entry;
+
 done:
+	list_for_each_entry_safe(pn, pntmp, &blkcg->policy_list, node) {
+		blkio_policy_delete_node(pn);
+		kfree(pn);
+	}
 	free_css_id(&blkio_subsys, &blkcg->css);
 	rcu_read_unlock();
 	if (blkcg != &blkio_root_cgroup)
@@ -751,6 +986,7 @@ done:
 	spin_lock_init(&blkcg->lock);
 	INIT_HLIST_HEAD(&blkcg->blkg_list);
 
+	INIT_LIST_HEAD(&blkcg->policy_list);
 	return &blkcg->css;
 }
 
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index bfce085b196..3c27bdfc97b 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -70,6 +70,7 @@ struct blkio_cgroup {
 	unsigned int weight;
 	spinlock_t lock;
 	struct hlist_head blkg_list;
+	struct list_head policy_list; /* list of blkio_policy_node */
 };
 
 struct blkio_group_stats {
@@ -119,6 +120,15 @@ struct blkio_group {
 	struct blkio_group_stats stats;
 };
 
+struct blkio_policy_node {
+	struct list_head node;
+	dev_t dev;
+	unsigned int weight;
+};
+
+extern unsigned int blkcg_get_weight(struct blkio_cgroup *blkcg,
+				     dev_t dev);
+
 typedef void (blkio_unlink_group_fn) (void *key, struct blkio_group *blkg);
 typedef void (blkio_update_group_weight_fn) (struct blkio_group *blkg,
 						unsigned int weight);
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index b6e095c7ef5..91af2f2e59c 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -952,7 +952,6 @@ cfq_find_alloc_cfqg(struct cfq_data *cfqd, struct cgroup *cgroup, int create)
 	if (!cfqg)
 		goto done;
 
-	cfqg->weight = blkcg->weight;
 	for_each_cfqg_st(cfqg, i, j, st)
 		*st = CFQ_RB_ROOT;
 	RB_CLEAR_NODE(&cfqg->rb_node);
@@ -970,6 +969,7 @@ cfq_find_alloc_cfqg(struct cfq_data *cfqd, struct cgroup *cgroup, int create)
 	sscanf(dev_name(bdi->dev), "%u:%u", &major, &minor);
 	blkiocg_add_blkio_group(blkcg, &cfqg->blkg, (void *)cfqd,
 					MKDEV(major, minor));
+	cfqg->weight = blkcg_get_weight(blkcg, cfqg->blkg.dev);
 
 	/* Add group on cfqd list */
 	hlist_add_head(&cfqg->cfqd_node, &cfqd->cfqg_list);

From da69da184c06f365b335a0e013dc6360a82abe85 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Tue, 13 Apr 2010 16:07:50 +0800
Subject: [PATCH 0427/3638] io-controller: Document for blkio.weight_device

Here is the document for blkio.weight_device

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 Documentation/cgroups/blkio-controller.txt | 31 +++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroups/blkio-controller.txt
index db054ea3e7f..d422b410a99 100644
--- a/Documentation/cgroups/blkio-controller.txt
+++ b/Documentation/cgroups/blkio-controller.txt
@@ -76,9 +76,38 @@ CONFIG_DEBUG_BLK_CGROUP
 Details of cgroup files
 =======================
 - blkio.weight
-	- Specifies per cgroup weight.
+	- Specifies per cgroup weight. This is default weight of the group
+	  on all the devices until and unless overridden by per device rule.
+	  (See blkio.weight_device).
 	  Currently allowed range of weights is from 100 to 1000.
 
+- blkio.weight_device
+	- One can specify per cgroup per device rules using this interface.
+	  These rules override the default value of group weight as specified
+	  by blkio.weight.
+
+	  Following is the format.
+
+	  #echo dev_maj:dev_minor weight > /path/to/cgroup/blkio.weight_device
+	  Configure weight=300 on /dev/sdb (8:16) in this cgroup
+	  # echo 8:16 300 > blkio.weight_device
+	  # cat blkio.weight_device
+	  dev     weight
+	  8:16    300
+
+	  Configure weight=500 on /dev/sda (8:0) in this cgroup
+	  # echo 8:0 500 > blkio.weight_device
+	  # cat blkio.weight_device
+	  dev     weight
+	  8:0     500
+	  8:16    300
+
+	  Remove specific weight for /dev/sda in this cgroup
+	  # echo 8:0 0 > blkio.weight_device
+	  # cat blkio.weight_device
+	  dev     weight
+	  8:16    300
+
 - blkio.time
 	- disk time allocated to cgroup per device in milliseconds. First
 	  two fields specify the major and minor number of the device and

From 0328ac267564089d9cedfb568f936d30a6debd21 Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:25:37 +0300
Subject: [PATCH 0428/3638] crypto: mv_cesa - Invoke the user callback from a
 softirq context

Invoke the user callback from a softirq context

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index b21ef635f35..3e60ba90943 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -275,7 +275,9 @@ static void dequeue_complete_req(void)
 		sg_miter_stop(&cpg->p.dst_sg_it);
 		mv_crypto_algo_completion();
 		cpg->eng_st = ENGINE_IDLE;
+		local_bh_disable();
 		req->base.complete(&req->base, 0);
+		local_bh_enable();
 	}
 }
 

From 6bc6fcd609080461682c5cc0a1e3bf4345d6419d Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:25:56 +0300
Subject: [PATCH 0429/3638] crypto: mv_cesa - Remove compiler warning in
 mv_cesa driver

Remove compiler warning

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 3e60ba90943..37d9f0688e7 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -178,6 +178,7 @@ static void mv_process_current_q(int first_block)
 		op.config = CFG_OP_CRYPT_ONLY | CFG_ENCM_AES | CFG_ENC_MODE_ECB;
 		break;
 	case COP_AES_CBC:
+	default:
 		op.config = CFG_OP_CRYPT_ONLY | CFG_ENCM_AES | CFG_ENC_MODE_CBC;
 		op.enc_iv = ENC_IV_POINT(SRAM_DATA_IV) |
 			ENC_IV_BUF_POINT(SRAM_DATA_IV_BUF);

From f565e67ec1b8f4a95d21550f9b879fe86b4132e0 Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:26:34 +0300
Subject: [PATCH 0430/3638] crypto: mv_cesa - Fix situation where the dest
 sglist is organized differently than the source sglist

Bugfix for situations where the destination scatterlist has a different
buffer structure than the source scatterlist (e.g. source has one 2K
buffer and dest has 2 1K buffers)

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 37d9f0688e7..018a95ce0c9 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -242,6 +242,8 @@ static void dequeue_complete_req(void)
 	struct ablkcipher_request *req = cpg->cur_req;
 	void *buf;
 	int ret;
+	int need_copy_len = cpg->p.crypt_len;
+	int sram_offset = 0;
 
 	cpg->p.total_req_bytes += cpg->p.crypt_len;
 	do {
@@ -257,14 +259,16 @@ static void dequeue_complete_req(void)
 		buf = cpg->p.dst_sg_it.addr;
 		buf += cpg->p.dst_start;
 
-		dst_copy = min(cpg->p.crypt_len, cpg->p.sg_dst_left);
-
-		memcpy(buf, cpg->sram + SRAM_DATA_OUT_START, dst_copy);
+		dst_copy = min(need_copy_len, cpg->p.sg_dst_left);
 
+		memcpy(buf,
+		       cpg->sram + SRAM_DATA_OUT_START + sram_offset,
+		       dst_copy);
+		sram_offset += dst_copy;
 		cpg->p.sg_dst_left -= dst_copy;
-		cpg->p.crypt_len -= dst_copy;
+		need_copy_len -= dst_copy;
 		cpg->p.dst_start += dst_copy;
-	} while (cpg->p.crypt_len > 0);
+	} while (need_copy_len > 0);
 
 	BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE);
 	if (cpg->p.total_req_bytes < req->nbytes) {

From 15d4dd3594221f11a7730fcf2d5f9942b96cdd7e Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:27:02 +0300
Subject: [PATCH 0431/3638] crypto: mv_cesa - Fix situations where the src
 sglist spans more data than the request asks for

Fix for situations where the source scatterlist spans more data than the
request nbytes

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 64 +++++++++++++++++++++++++++-------------
 1 file changed, 43 insertions(+), 21 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 018a95ce0c9..096f9ff6578 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -143,27 +143,45 @@ static int mv_setkey_aes(struct crypto_ablkcipher *cipher, const u8 *key,
 	return 0;
 }
 
-static void setup_data_in(struct ablkcipher_request *req)
+static void copy_src_to_buf(struct req_progress *p, char *dbuf, int len)
 {
 	int ret;
-	void *buf;
+	void *sbuf;
+	int copied = 0;
 
-	if (!cpg->p.sg_src_left) {
-		ret = sg_miter_next(&cpg->p.src_sg_it);
-		BUG_ON(!ret);
-		cpg->p.sg_src_left = cpg->p.src_sg_it.length;
-		cpg->p.src_start = 0;
+	while (1) {
+		if (!p->sg_src_left) {
+			ret = sg_miter_next(&p->src_sg_it);
+			BUG_ON(!ret);
+			p->sg_src_left = p->src_sg_it.length;
+			p->src_start = 0;
+		}
+
+		sbuf = p->src_sg_it.addr + p->src_start;
+
+		if (p->sg_src_left <= len - copied) {
+			memcpy(dbuf + copied, sbuf, p->sg_src_left);
+			copied += p->sg_src_left;
+			p->sg_src_left = 0;
+			if (copied >= len)
+				break;
+		} else {
+			int copy_len = len - copied;
+			memcpy(dbuf + copied, sbuf, copy_len);
+			p->src_start += copy_len;
+			p->sg_src_left -= copy_len;
+			break;
+		}
 	}
+}
 
-	cpg->p.crypt_len = min(cpg->p.sg_src_left, cpg->max_req_size);
-
-	buf = cpg->p.src_sg_it.addr;
-	buf += cpg->p.src_start;
-
-	memcpy(cpg->sram + SRAM_DATA_IN_START, buf, cpg->p.crypt_len);
-
-	cpg->p.sg_src_left -= cpg->p.crypt_len;
-	cpg->p.src_start += cpg->p.crypt_len;
+static void setup_data_in(struct ablkcipher_request *req)
+{
+	struct req_progress *p = &cpg->p;
+	p->crypt_len =
+	    min((int)req->nbytes - p->total_req_bytes, cpg->max_req_size);
+	copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START,
+			p->crypt_len);
 }
 
 static void mv_process_current_q(int first_block)
@@ -289,12 +307,16 @@ static void dequeue_complete_req(void)
 static int count_sgs(struct scatterlist *sl, unsigned int total_bytes)
 {
 	int i = 0;
+	size_t cur_len;
 
-	do {
-		total_bytes -= sl[i].length;
-		i++;
-
-	} while (total_bytes > 0);
+	while (1) {
+		cur_len = sl[i].length;
+		++i;
+		if (total_bytes > cur_len)
+			total_bytes -= cur_len;
+		else
+			break;
+	}
 
 	return i;
 }

From 3b61a90502481045f56c1c41a2af35ee48ca8b80 Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:27:33 +0300
Subject: [PATCH 0432/3638] crypto: mv_cesa - Enqueue generic async requests

Enqueue generic async requests rather than ablkcipher requests
in the driver's queue

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 43 ++++++++++++++++++++++------------------
 1 file changed, 24 insertions(+), 19 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 096f9ff6578..8891e2e703e 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -39,6 +39,7 @@ enum engine_status {
  * @sg_src_left:	bytes left in src to process (scatter list)
  * @src_start:		offset to add to src start position (scatter list)
  * @crypt_len:		length of current crypt process
+ * @hw_nbytes:		total bytes to process in hw for this request
  * @sg_dst_left:	bytes left dst to process in this scatter list
  * @dst_start:		offset to add to dst start position (scatter list)
  * @total_req_bytes:	total number of bytes processed (request).
@@ -55,6 +56,7 @@ struct req_progress {
 	int sg_src_left;
 	int src_start;
 	int crypt_len;
+	int hw_nbytes;
 	/* dst mostly */
 	int sg_dst_left;
 	int dst_start;
@@ -71,7 +73,7 @@ struct crypto_priv {
 	spinlock_t lock;
 	struct crypto_queue queue;
 	enum engine_status eng_st;
-	struct ablkcipher_request *cur_req;
+	struct crypto_async_request *cur_req;
 	struct req_progress p;
 	int max_req_size;
 	int sram_size;
@@ -175,18 +177,18 @@ static void copy_src_to_buf(struct req_progress *p, char *dbuf, int len)
 	}
 }
 
-static void setup_data_in(struct ablkcipher_request *req)
+static void setup_data_in(void)
 {
 	struct req_progress *p = &cpg->p;
 	p->crypt_len =
-	    min((int)req->nbytes - p->total_req_bytes, cpg->max_req_size);
+	    min(p->hw_nbytes - p->total_req_bytes, cpg->max_req_size);
 	copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START,
 			p->crypt_len);
 }
 
 static void mv_process_current_q(int first_block)
 {
-	struct ablkcipher_request *req = cpg->cur_req;
+	struct ablkcipher_request *req = ablkcipher_request_cast(cpg->cur_req);
 	struct mv_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
 	struct mv_req_ctx *req_ctx = ablkcipher_request_ctx(req);
 	struct sec_accel_config op;
@@ -229,7 +231,7 @@ static void mv_process_current_q(int first_block)
 		ENC_P_DST(SRAM_DATA_OUT_START);
 	op.enc_key_p = SRAM_DATA_KEY_P;
 
-	setup_data_in(req);
+	setup_data_in();
 	op.enc_len = cpg->p.crypt_len;
 	memcpy(cpg->sram + SRAM_CONFIG, &op,
 			sizeof(struct sec_accel_config));
@@ -246,7 +248,7 @@ static void mv_process_current_q(int first_block)
 
 static void mv_crypto_algo_completion(void)
 {
-	struct ablkcipher_request *req = cpg->cur_req;
+	struct ablkcipher_request *req = ablkcipher_request_cast(cpg->cur_req);
 	struct mv_req_ctx *req_ctx = ablkcipher_request_ctx(req);
 
 	if (req_ctx->op != COP_AES_CBC)
@@ -257,7 +259,7 @@ static void mv_crypto_algo_completion(void)
 
 static void dequeue_complete_req(void)
 {
-	struct ablkcipher_request *req = cpg->cur_req;
+	struct crypto_async_request *req = cpg->cur_req;
 	void *buf;
 	int ret;
 	int need_copy_len = cpg->p.crypt_len;
@@ -289,7 +291,7 @@ static void dequeue_complete_req(void)
 	} while (need_copy_len > 0);
 
 	BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE);
-	if (cpg->p.total_req_bytes < req->nbytes) {
+	if (cpg->p.total_req_bytes < cpg->p.hw_nbytes) {
 		/* process next scatter list entry */
 		cpg->eng_st = ENGINE_BUSY;
 		mv_process_current_q(0);
@@ -299,7 +301,7 @@ static void dequeue_complete_req(void)
 		mv_crypto_algo_completion();
 		cpg->eng_st = ENGINE_IDLE;
 		local_bh_disable();
-		req->base.complete(&req->base, 0);
+		req->complete(req, 0);
 		local_bh_enable();
 	}
 }
@@ -323,16 +325,19 @@ static int count_sgs(struct scatterlist *sl, unsigned int total_bytes)
 
 static void mv_enqueue_new_req(struct ablkcipher_request *req)
 {
+	struct req_progress *p = &cpg->p;
 	int num_sgs;
 
-	cpg->cur_req = req;
-	memset(&cpg->p, 0, sizeof(struct req_progress));
+	cpg->cur_req = &req->base;
+	memset(p, 0, sizeof(struct req_progress));
+	p->hw_nbytes = req->nbytes;
 
 	num_sgs = count_sgs(req->src, req->nbytes);
-	sg_miter_start(&cpg->p.src_sg_it, req->src, num_sgs, SG_MITER_FROM_SG);
+	sg_miter_start(&p->src_sg_it, req->src, num_sgs, SG_MITER_FROM_SG);
 
 	num_sgs = count_sgs(req->dst, req->nbytes);
-	sg_miter_start(&cpg->p.dst_sg_it, req->dst, num_sgs, SG_MITER_TO_SG);
+	sg_miter_start(&p->dst_sg_it, req->dst, num_sgs, SG_MITER_TO_SG);
+
 	mv_process_current_q(1);
 }
 
@@ -378,13 +383,13 @@ static int queue_manag(void *data)
 	return 0;
 }
 
-static int mv_handle_req(struct ablkcipher_request *req)
+static int mv_handle_req(struct crypto_async_request *req)
 {
 	unsigned long flags;
 	int ret;
 
 	spin_lock_irqsave(&cpg->lock, flags);
-	ret = ablkcipher_enqueue_request(&cpg->queue, req);
+	ret = crypto_enqueue_request(&cpg->queue, req);
 	spin_unlock_irqrestore(&cpg->lock, flags);
 	wake_up_process(cpg->queue_th);
 	return ret;
@@ -397,7 +402,7 @@ static int mv_enc_aes_ecb(struct ablkcipher_request *req)
 	req_ctx->op = COP_AES_ECB;
 	req_ctx->decrypt = 0;
 
-	return mv_handle_req(req);
+	return mv_handle_req(&req->base);
 }
 
 static int mv_dec_aes_ecb(struct ablkcipher_request *req)
@@ -409,7 +414,7 @@ static int mv_dec_aes_ecb(struct ablkcipher_request *req)
 	req_ctx->decrypt = 1;
 
 	compute_aes_dec_key(ctx);
-	return mv_handle_req(req);
+	return mv_handle_req(&req->base);
 }
 
 static int mv_enc_aes_cbc(struct ablkcipher_request *req)
@@ -419,7 +424,7 @@ static int mv_enc_aes_cbc(struct ablkcipher_request *req)
 	req_ctx->op = COP_AES_CBC;
 	req_ctx->decrypt = 0;
 
-	return mv_handle_req(req);
+	return mv_handle_req(&req->base);
 }
 
 static int mv_dec_aes_cbc(struct ablkcipher_request *req)
@@ -431,7 +436,7 @@ static int mv_dec_aes_cbc(struct ablkcipher_request *req)
 	req_ctx->decrypt = 1;
 
 	compute_aes_dec_key(ctx);
-	return mv_handle_req(req);
+	return mv_handle_req(&req->base);
 }
 
 static int mv_cra_init(struct crypto_tfm *tfm)

From 7a5f691ef03f4c01d2703b5ec4ddd4c17e645dec Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:29:16 +0300
Subject: [PATCH 0433/3638] crypto: mv_cesa - Rename a variable to a more
 suitable name

Rename a variable to a more suitable name

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 8891e2e703e..4262932d4a2 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -42,7 +42,7 @@ enum engine_status {
  * @hw_nbytes:		total bytes to process in hw for this request
  * @sg_dst_left:	bytes left dst to process in this scatter list
  * @dst_start:		offset to add to dst start position (scatter list)
- * @total_req_bytes:	total number of bytes processed (request).
+ * @hw_processed_bytes:	number of bytes processed by hw (request).
  *
  * sg helper are used to iterate over the scatterlist. Since the size of the
  * SRAM may be less than the scatter size, this struct struct is used to keep
@@ -60,7 +60,7 @@ struct req_progress {
 	/* dst mostly */
 	int sg_dst_left;
 	int dst_start;
-	int total_req_bytes;
+	int hw_processed_bytes;
 };
 
 struct crypto_priv {
@@ -181,7 +181,7 @@ static void setup_data_in(void)
 {
 	struct req_progress *p = &cpg->p;
 	p->crypt_len =
-	    min(p->hw_nbytes - p->total_req_bytes, cpg->max_req_size);
+	    min(p->hw_nbytes - p->hw_processed_bytes, cpg->max_req_size);
 	copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START,
 			p->crypt_len);
 }
@@ -265,7 +265,7 @@ static void dequeue_complete_req(void)
 	int need_copy_len = cpg->p.crypt_len;
 	int sram_offset = 0;
 
-	cpg->p.total_req_bytes += cpg->p.crypt_len;
+	cpg->p.hw_processed_bytes += cpg->p.crypt_len;
 	do {
 		int dst_copy;
 
@@ -291,7 +291,7 @@ static void dequeue_complete_req(void)
 	} while (need_copy_len > 0);
 
 	BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE);
-	if (cpg->p.total_req_bytes < cpg->p.hw_nbytes) {
+	if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {
 		/* process next scatter list entry */
 		cpg->eng_st = ENGINE_BUSY;
 		mv_process_current_q(0);

From a58094ac5f95d6969e5c52ff096d2fd2864542af Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:30:19 +0300
Subject: [PATCH 0434/3638] crypto: mv_cesa - Execute some code via function
 pointers rathr than direct calls

Execute some code via function pointers rathr than direct calls
(to allow customization in the hashing request)

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 4262932d4a2..2b4f07aa89e 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -51,6 +51,8 @@ enum engine_status {
 struct req_progress {
 	struct sg_mapping_iter src_sg_it;
 	struct sg_mapping_iter dst_sg_it;
+	void (*complete) (void);
+	void (*process) (int is_first);
 
 	/* src mostly */
 	int sg_src_left;
@@ -251,6 +253,9 @@ static void mv_crypto_algo_completion(void)
 	struct ablkcipher_request *req = ablkcipher_request_cast(cpg->cur_req);
 	struct mv_req_ctx *req_ctx = ablkcipher_request_ctx(req);
 
+	sg_miter_stop(&cpg->p.src_sg_it);
+	sg_miter_stop(&cpg->p.dst_sg_it);
+
 	if (req_ctx->op != COP_AES_CBC)
 		return ;
 
@@ -294,11 +299,9 @@ static void dequeue_complete_req(void)
 	if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {
 		/* process next scatter list entry */
 		cpg->eng_st = ENGINE_BUSY;
-		mv_process_current_q(0);
+		cpg->p.process(0);
 	} else {
-		sg_miter_stop(&cpg->p.src_sg_it);
-		sg_miter_stop(&cpg->p.dst_sg_it);
-		mv_crypto_algo_completion();
+		cpg->p.complete();
 		cpg->eng_st = ENGINE_IDLE;
 		local_bh_disable();
 		req->complete(req, 0);
@@ -331,6 +334,8 @@ static void mv_enqueue_new_req(struct ablkcipher_request *req)
 	cpg->cur_req = &req->base;
 	memset(p, 0, sizeof(struct req_progress));
 	p->hw_nbytes = req->nbytes;
+	p->complete = mv_crypto_algo_completion;
+	p->process = mv_process_current_q;
 
 	num_sgs = count_sgs(req->src, req->nbytes);
 	sg_miter_start(&p->src_sg_it, req->src, num_sgs, SG_MITER_FROM_SG);

From f0d03deaad05d9cc99cd2ee0475c9ecd726c19ae Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:31:48 +0300
Subject: [PATCH 0435/3638] crypto: mv_cesa - Make the copy-back of data
 optional

Make the copy-back of data optional (not done in hashing requests)

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 49 ++++++++++++++++++++++------------------
 1 file changed, 27 insertions(+), 22 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 2b4f07aa89e..49a22060fb5 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -40,6 +40,7 @@ enum engine_status {
  * @src_start:		offset to add to src start position (scatter list)
  * @crypt_len:		length of current crypt process
  * @hw_nbytes:		total bytes to process in hw for this request
+ * @copy_back:		whether to copy data back (crypt) or not (hash)
  * @sg_dst_left:	bytes left dst to process in this scatter list
  * @dst_start:		offset to add to dst start position (scatter list)
  * @hw_processed_bytes:	number of bytes processed by hw (request).
@@ -60,6 +61,7 @@ struct req_progress {
 	int crypt_len;
 	int hw_nbytes;
 	/* dst mostly */
+	int copy_back;
 	int sg_dst_left;
 	int dst_start;
 	int hw_processed_bytes;
@@ -267,33 +269,35 @@ static void dequeue_complete_req(void)
 	struct crypto_async_request *req = cpg->cur_req;
 	void *buf;
 	int ret;
-	int need_copy_len = cpg->p.crypt_len;
-	int sram_offset = 0;
-
 	cpg->p.hw_processed_bytes += cpg->p.crypt_len;
-	do {
-		int dst_copy;
+	if (cpg->p.copy_back) {
+		int need_copy_len = cpg->p.crypt_len;
+		int sram_offset = 0;
+		do {
+			int dst_copy;
 
-		if (!cpg->p.sg_dst_left) {
-			ret = sg_miter_next(&cpg->p.dst_sg_it);
-			BUG_ON(!ret);
-			cpg->p.sg_dst_left = cpg->p.dst_sg_it.length;
-			cpg->p.dst_start = 0;
-		}
+			if (!cpg->p.sg_dst_left) {
+				ret = sg_miter_next(&cpg->p.dst_sg_it);
+				BUG_ON(!ret);
+				cpg->p.sg_dst_left = cpg->p.dst_sg_it.length;
+				cpg->p.dst_start = 0;
+			}
 
-		buf = cpg->p.dst_sg_it.addr;
-		buf += cpg->p.dst_start;
+			buf = cpg->p.dst_sg_it.addr;
+			buf += cpg->p.dst_start;
 
-		dst_copy = min(need_copy_len, cpg->p.sg_dst_left);
+			dst_copy = min(need_copy_len, cpg->p.sg_dst_left);
+
+			memcpy(buf,
+			       cpg->sram + SRAM_DATA_OUT_START + sram_offset,
+			       dst_copy);
+			sram_offset += dst_copy;
+			cpg->p.sg_dst_left -= dst_copy;
+			need_copy_len -= dst_copy;
+			cpg->p.dst_start += dst_copy;
+		} while (need_copy_len > 0);
+	}
 
-		memcpy(buf,
-		       cpg->sram + SRAM_DATA_OUT_START + sram_offset,
-		       dst_copy);
-		sram_offset += dst_copy;
-		cpg->p.sg_dst_left -= dst_copy;
-		need_copy_len -= dst_copy;
-		cpg->p.dst_start += dst_copy;
-	} while (need_copy_len > 0);
 
 	BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE);
 	if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {
@@ -336,6 +340,7 @@ static void mv_enqueue_new_req(struct ablkcipher_request *req)
 	p->hw_nbytes = req->nbytes;
 	p->complete = mv_crypto_algo_completion;
 	p->process = mv_process_current_q;
+	p->copy_back = 1;
 
 	num_sgs = count_sgs(req->src, req->nbytes);
 	sg_miter_start(&p->src_sg_it, req->src, num_sgs, SG_MITER_FROM_SG);

From 0c5c6c4bae8fe9ae3d86b44c332eb1267df1ec99 Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:33:26 +0300
Subject: [PATCH 0436/3638] crypto: mv_cesa - Support processing of data from
 previous requests

Support processing of data from previous requests (as in hashing
update/final requests).

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 49a22060fb5..d0fb10e701c 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -184,10 +184,11 @@ static void copy_src_to_buf(struct req_progress *p, char *dbuf, int len)
 static void setup_data_in(void)
 {
 	struct req_progress *p = &cpg->p;
-	p->crypt_len =
+	int data_in_sram =
 	    min(p->hw_nbytes - p->hw_processed_bytes, cpg->max_req_size);
-	copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START,
-			p->crypt_len);
+	copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START + p->crypt_len,
+			data_in_sram - p->crypt_len);
+	p->crypt_len = data_in_sram;
 }
 
 static void mv_process_current_q(int first_block)
@@ -298,6 +299,7 @@ static void dequeue_complete_req(void)
 		} while (need_copy_len > 0);
 	}
 
+	cpg->p.crypt_len = 0;
 
 	BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE);
 	if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {

From 750052dd2400cd09e0864d75b63c2c0bf605056f Mon Sep 17 00:00:00 2001
From: Uri Simchoni <uri@jdland.co.il>
Date: Thu, 8 Apr 2010 19:34:55 +0300
Subject: [PATCH 0437/3638] crypto: mv_cesa - Add sha1 and hmac(sha1) async
 hash drivers

Add sha1 and hmac(sha1) async hash drivers

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 514 ++++++++++++++++++++++++++++++++++++++-
 drivers/crypto/mv_cesa.h |  40 ++-
 2 files changed, 542 insertions(+), 12 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index d0fb10e701c..1cee5a93709 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -14,8 +14,14 @@
 #include <linux/kthread.h>
 #include <linux/platform_device.h>
 #include <linux/scatterlist.h>
+#include <crypto/internal/hash.h>
+#include <crypto/sha.h>
 
 #include "mv_cesa.h"
+
+#define MV_CESA	"MV-CESA:"
+#define MAX_HW_HASH_SIZE	0xFFFF
+
 /*
  * STM:
  *   /---------------------------------------\
@@ -38,7 +44,7 @@ enum engine_status {
  * @dst_sg_it:		sg iterator for dst
  * @sg_src_left:	bytes left in src to process (scatter list)
  * @src_start:		offset to add to src start position (scatter list)
- * @crypt_len:		length of current crypt process
+ * @crypt_len:		length of current hw crypt/hash process
  * @hw_nbytes:		total bytes to process in hw for this request
  * @copy_back:		whether to copy data back (crypt) or not (hash)
  * @sg_dst_left:	bytes left dst to process in this scatter list
@@ -81,6 +87,8 @@ struct crypto_priv {
 	struct req_progress p;
 	int max_req_size;
 	int sram_size;
+	int has_sha1;
+	int has_hmac_sha1;
 };
 
 static struct crypto_priv *cpg;
@@ -102,6 +110,31 @@ struct mv_req_ctx {
 	int decrypt;
 };
 
+enum hash_op {
+	COP_SHA1,
+	COP_HMAC_SHA1
+};
+
+struct mv_tfm_hash_ctx {
+	struct crypto_shash *fallback;
+	struct crypto_shash *base_hash;
+	u32 ivs[2 * SHA1_DIGEST_SIZE / 4];
+	int count_add;
+	enum hash_op op;
+};
+
+struct mv_req_hash_ctx {
+	u64 count;
+	u32 state[SHA1_DIGEST_SIZE / 4];
+	u8 buffer[SHA1_BLOCK_SIZE];
+	int first_hash;		/* marks that we don't have previous state */
+	int last_chunk;		/* marks that this is the 'final' request */
+	int extra_bytes;	/* unprocessed bytes in buffer */
+	enum hash_op op;
+	int count_add;
+	struct scatterlist dummysg;
+};
+
 static void compute_aes_dec_key(struct mv_ctx *ctx)
 {
 	struct crypto_aes_ctx gen_aes_key;
@@ -265,6 +298,132 @@ static void mv_crypto_algo_completion(void)
 	memcpy(req->info, cpg->sram + SRAM_DATA_IV_BUF, 16);
 }
 
+static void mv_process_hash_current(int first_block)
+{
+	struct ahash_request *req = ahash_request_cast(cpg->cur_req);
+	struct mv_req_hash_ctx *req_ctx = ahash_request_ctx(req);
+	struct req_progress *p = &cpg->p;
+	struct sec_accel_config op = { 0 };
+	int is_last;
+
+	switch (req_ctx->op) {
+	case COP_SHA1:
+	default:
+		op.config = CFG_OP_MAC_ONLY | CFG_MACM_SHA1;
+		break;
+	case COP_HMAC_SHA1:
+		op.config = CFG_OP_MAC_ONLY | CFG_MACM_HMAC_SHA1;
+		break;
+	}
+
+	op.mac_src_p =
+		MAC_SRC_DATA_P(SRAM_DATA_IN_START) | MAC_SRC_TOTAL_LEN((u32)
+		req_ctx->
+		count);
+
+	setup_data_in();
+
+	op.mac_digest =
+		MAC_DIGEST_P(SRAM_DIGEST_BUF) | MAC_FRAG_LEN(p->crypt_len);
+	op.mac_iv =
+		MAC_INNER_IV_P(SRAM_HMAC_IV_IN) |
+		MAC_OUTER_IV_P(SRAM_HMAC_IV_OUT);
+
+	is_last = req_ctx->last_chunk
+		&& (p->hw_processed_bytes + p->crypt_len >= p->hw_nbytes)
+		&& (req_ctx->count <= MAX_HW_HASH_SIZE);
+	if (req_ctx->first_hash) {
+		if (is_last)
+			op.config |= CFG_NOT_FRAG;
+		else
+			op.config |= CFG_FIRST_FRAG;
+
+		req_ctx->first_hash = 0;
+	} else {
+		if (is_last)
+			op.config |= CFG_LAST_FRAG;
+		else
+			op.config |= CFG_MID_FRAG;
+	}
+
+	memcpy(cpg->sram + SRAM_CONFIG, &op, sizeof(struct sec_accel_config));
+
+	writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0);
+	/* GO */
+	writel(SEC_CMD_EN_SEC_ACCL0, cpg->reg + SEC_ACCEL_CMD);
+
+	/*
+	* XXX: add timer if the interrupt does not occur for some mystery
+	* reason
+	*/
+}
+
+static inline int mv_hash_import_sha1_ctx(const struct mv_req_hash_ctx *ctx,
+					  struct shash_desc *desc)
+{
+	int i;
+	struct sha1_state shash_state;
+
+	shash_state.count = ctx->count + ctx->count_add;
+	for (i = 0; i < 5; i++)
+		shash_state.state[i] = ctx->state[i];
+	memcpy(shash_state.buffer, ctx->buffer, sizeof(shash_state.buffer));
+	return crypto_shash_import(desc, &shash_state);
+}
+
+static int mv_hash_final_fallback(struct ahash_request *req)
+{
+	const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm);
+	struct mv_req_hash_ctx *req_ctx = ahash_request_ctx(req);
+	struct {
+		struct shash_desc shash;
+		char ctx[crypto_shash_descsize(tfm_ctx->fallback)];
+	} desc;
+	int rc;
+
+	desc.shash.tfm = tfm_ctx->fallback;
+	desc.shash.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+	if (unlikely(req_ctx->first_hash)) {
+		crypto_shash_init(&desc.shash);
+		crypto_shash_update(&desc.shash, req_ctx->buffer,
+				    req_ctx->extra_bytes);
+	} else {
+		/* only SHA1 for now....
+		 */
+		rc = mv_hash_import_sha1_ctx(req_ctx, &desc.shash);
+		if (rc)
+			goto out;
+	}
+	rc = crypto_shash_final(&desc.shash, req->result);
+out:
+	return rc;
+}
+
+static void mv_hash_algo_completion(void)
+{
+	struct ahash_request *req = ahash_request_cast(cpg->cur_req);
+	struct mv_req_hash_ctx *ctx = ahash_request_ctx(req);
+
+	if (ctx->extra_bytes)
+		copy_src_to_buf(&cpg->p, ctx->buffer, ctx->extra_bytes);
+	sg_miter_stop(&cpg->p.src_sg_it);
+
+	ctx->state[0] = readl(cpg->reg + DIGEST_INITIAL_VAL_A);
+	ctx->state[1] = readl(cpg->reg + DIGEST_INITIAL_VAL_B);
+	ctx->state[2] = readl(cpg->reg + DIGEST_INITIAL_VAL_C);
+	ctx->state[3] = readl(cpg->reg + DIGEST_INITIAL_VAL_D);
+	ctx->state[4] = readl(cpg->reg + DIGEST_INITIAL_VAL_E);
+
+	if (likely(ctx->last_chunk)) {
+		if (likely(ctx->count <= MAX_HW_HASH_SIZE)) {
+			memcpy(req->result, cpg->sram + SRAM_DIGEST_BUF,
+			       crypto_ahash_digestsize(crypto_ahash_reqtfm
+						       (req)));
+		} else
+			mv_hash_final_fallback(req);
+	}
+}
+
 static void dequeue_complete_req(void)
 {
 	struct crypto_async_request *req = cpg->cur_req;
@@ -332,7 +491,7 @@ static int count_sgs(struct scatterlist *sl, unsigned int total_bytes)
 	return i;
 }
 
-static void mv_enqueue_new_req(struct ablkcipher_request *req)
+static void mv_start_new_crypt_req(struct ablkcipher_request *req)
 {
 	struct req_progress *p = &cpg->p;
 	int num_sgs;
@@ -353,11 +512,68 @@ static void mv_enqueue_new_req(struct ablkcipher_request *req)
 	mv_process_current_q(1);
 }
 
+static void mv_start_new_hash_req(struct ahash_request *req)
+{
+	struct req_progress *p = &cpg->p;
+	struct mv_req_hash_ctx *ctx = ahash_request_ctx(req);
+	const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm);
+	int num_sgs, hw_bytes, old_extra_bytes, rc;
+	cpg->cur_req = &req->base;
+	memset(p, 0, sizeof(struct req_progress));
+	hw_bytes = req->nbytes + ctx->extra_bytes;
+	old_extra_bytes = ctx->extra_bytes;
+
+	if (unlikely(ctx->extra_bytes)) {
+		memcpy(cpg->sram + SRAM_DATA_IN_START, ctx->buffer,
+		       ctx->extra_bytes);
+		p->crypt_len = ctx->extra_bytes;
+	}
+
+	memcpy(cpg->sram + SRAM_HMAC_IV_IN, tfm_ctx->ivs, sizeof(tfm_ctx->ivs));
+
+	if (unlikely(!ctx->first_hash)) {
+		writel(ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
+		writel(ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
+		writel(ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
+		writel(ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
+		writel(ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
+	}
+
+	ctx->extra_bytes = hw_bytes % SHA1_BLOCK_SIZE;
+	if (ctx->extra_bytes != 0
+	    && (!ctx->last_chunk || ctx->count > MAX_HW_HASH_SIZE))
+		hw_bytes -= ctx->extra_bytes;
+	else
+		ctx->extra_bytes = 0;
+
+	num_sgs = count_sgs(req->src, req->nbytes);
+	sg_miter_start(&p->src_sg_it, req->src, num_sgs, SG_MITER_FROM_SG);
+
+	if (hw_bytes) {
+		p->hw_nbytes = hw_bytes;
+		p->complete = mv_hash_algo_completion;
+		p->process = mv_process_hash_current;
+
+		mv_process_hash_current(1);
+	} else {
+		copy_src_to_buf(p, ctx->buffer + old_extra_bytes,
+				ctx->extra_bytes - old_extra_bytes);
+		sg_miter_stop(&p->src_sg_it);
+		if (ctx->last_chunk)
+			rc = mv_hash_final_fallback(req);
+		else
+			rc = 0;
+		cpg->eng_st = ENGINE_IDLE;
+		local_bh_disable();
+		req->base.complete(&req->base, rc);
+		local_bh_enable();
+	}
+}
+
 static int queue_manag(void *data)
 {
 	cpg->eng_st = ENGINE_IDLE;
 	do {
-		struct ablkcipher_request *req;
 		struct crypto_async_request *async_req = NULL;
 		struct crypto_async_request *backlog;
 
@@ -383,9 +599,18 @@ static int queue_manag(void *data)
 		}
 
 		if (async_req) {
-			req = container_of(async_req,
-					struct ablkcipher_request, base);
-			mv_enqueue_new_req(req);
+			if (async_req->tfm->__crt_alg->cra_type !=
+			    &crypto_ahash_type) {
+				struct ablkcipher_request *req =
+				    container_of(async_req,
+						 struct ablkcipher_request,
+						 base);
+				mv_start_new_crypt_req(req);
+			} else {
+				struct ahash_request *req =
+				    ahash_request_cast(async_req);
+				mv_start_new_hash_req(req);
+			}
 			async_req = NULL;
 		}
 
@@ -457,6 +682,215 @@ static int mv_cra_init(struct crypto_tfm *tfm)
 	return 0;
 }
 
+static void mv_init_hash_req_ctx(struct mv_req_hash_ctx *ctx, int op,
+				 int is_last, unsigned int req_len,
+				 int count_add)
+{
+	memset(ctx, 0, sizeof(*ctx));
+	ctx->op = op;
+	ctx->count = req_len;
+	ctx->first_hash = 1;
+	ctx->last_chunk = is_last;
+	ctx->count_add = count_add;
+}
+
+static void mv_update_hash_req_ctx(struct mv_req_hash_ctx *ctx, int is_last,
+				   unsigned req_len)
+{
+	ctx->last_chunk = is_last;
+	ctx->count += req_len;
+}
+
+static int mv_hash_init(struct ahash_request *req)
+{
+	const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm);
+	mv_init_hash_req_ctx(ahash_request_ctx(req), tfm_ctx->op, 0, 0,
+			     tfm_ctx->count_add);
+	return 0;
+}
+
+static int mv_hash_update(struct ahash_request *req)
+{
+	if (!req->nbytes)
+		return 0;
+
+	mv_update_hash_req_ctx(ahash_request_ctx(req), 0, req->nbytes);
+	return mv_handle_req(&req->base);
+}
+
+static int mv_hash_final(struct ahash_request *req)
+{
+	struct mv_req_hash_ctx *ctx = ahash_request_ctx(req);
+	/* dummy buffer of 4 bytes */
+	sg_init_one(&ctx->dummysg, ctx->buffer, 4);
+	/* I think I'm allowed to do that... */
+	ahash_request_set_crypt(req, &ctx->dummysg, req->result, 0);
+	mv_update_hash_req_ctx(ctx, 1, 0);
+	return mv_handle_req(&req->base);
+}
+
+static int mv_hash_finup(struct ahash_request *req)
+{
+	if (!req->nbytes)
+		return mv_hash_final(req);
+
+	mv_update_hash_req_ctx(ahash_request_ctx(req), 1, req->nbytes);
+	return mv_handle_req(&req->base);
+}
+
+static int mv_hash_digest(struct ahash_request *req)
+{
+	const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm);
+	mv_init_hash_req_ctx(ahash_request_ctx(req), tfm_ctx->op, 1,
+			     req->nbytes, tfm_ctx->count_add);
+	return mv_handle_req(&req->base);
+}
+
+static void mv_hash_init_ivs(struct mv_tfm_hash_ctx *ctx, const void *istate,
+			     const void *ostate)
+{
+	const struct sha1_state *isha1_state = istate, *osha1_state = ostate;
+	int i;
+	for (i = 0; i < 5; i++) {
+		ctx->ivs[i] = cpu_to_be32(isha1_state->state[i]);
+		ctx->ivs[i + 5] = cpu_to_be32(osha1_state->state[i]);
+	}
+}
+
+static int mv_hash_setkey(struct crypto_ahash *tfm, const u8 * key,
+			  unsigned int keylen)
+{
+	int rc;
+	struct mv_tfm_hash_ctx *ctx = crypto_tfm_ctx(&tfm->base);
+	int bs, ds, ss;
+
+	if (!ctx->base_hash)
+		return 0;
+
+	rc = crypto_shash_setkey(ctx->fallback, key, keylen);
+	if (rc)
+		return rc;
+
+	/* Can't see a way to extract the ipad/opad from the fallback tfm
+	   so I'm basically copying code from the hmac module */
+	bs = crypto_shash_blocksize(ctx->base_hash);
+	ds = crypto_shash_digestsize(ctx->base_hash);
+	ss = crypto_shash_statesize(ctx->base_hash);
+
+	{
+		struct {
+			struct shash_desc shash;
+			char ctx[crypto_shash_descsize(ctx->base_hash)];
+		} desc;
+		unsigned int i;
+		char ipad[ss];
+		char opad[ss];
+
+		desc.shash.tfm = ctx->base_hash;
+		desc.shash.flags = crypto_shash_get_flags(ctx->base_hash) &
+		    CRYPTO_TFM_REQ_MAY_SLEEP;
+
+		if (keylen > bs) {
+			int err;
+
+			err =
+			    crypto_shash_digest(&desc.shash, key, keylen, ipad);
+			if (err)
+				return err;
+
+			keylen = ds;
+		} else
+			memcpy(ipad, key, keylen);
+
+		memset(ipad + keylen, 0, bs - keylen);
+		memcpy(opad, ipad, bs);
+
+		for (i = 0; i < bs; i++) {
+			ipad[i] ^= 0x36;
+			opad[i] ^= 0x5c;
+		}
+
+		rc = crypto_shash_init(&desc.shash) ? :
+		    crypto_shash_update(&desc.shash, ipad, bs) ? :
+		    crypto_shash_export(&desc.shash, ipad) ? :
+		    crypto_shash_init(&desc.shash) ? :
+		    crypto_shash_update(&desc.shash, opad, bs) ? :
+		    crypto_shash_export(&desc.shash, opad);
+
+		if (rc == 0)
+			mv_hash_init_ivs(ctx, ipad, opad);
+
+		return rc;
+	}
+}
+
+static int mv_cra_hash_init(struct crypto_tfm *tfm, const char *base_hash_name,
+			    enum hash_op op, int count_add)
+{
+	const char *fallback_driver_name = tfm->__crt_alg->cra_name;
+	struct mv_tfm_hash_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct crypto_shash *fallback_tfm = NULL;
+	struct crypto_shash *base_hash = NULL;
+	int err = -ENOMEM;
+
+	ctx->op = op;
+	ctx->count_add = count_add;
+
+	/* Allocate a fallback and abort if it failed. */
+	fallback_tfm = crypto_alloc_shash(fallback_driver_name, 0,
+					  CRYPTO_ALG_NEED_FALLBACK);
+	if (IS_ERR(fallback_tfm)) {
+		printk(KERN_WARNING MV_CESA
+		       "Fallback driver '%s' could not be loaded!\n",
+		       fallback_driver_name);
+		err = PTR_ERR(fallback_tfm);
+		goto out;
+	}
+	ctx->fallback = fallback_tfm;
+
+	if (base_hash_name) {
+		/* Allocate a hash to compute the ipad/opad of hmac. */
+		base_hash = crypto_alloc_shash(base_hash_name, 0,
+					       CRYPTO_ALG_NEED_FALLBACK);
+		if (IS_ERR(base_hash)) {
+			printk(KERN_WARNING MV_CESA
+			       "Base driver '%s' could not be loaded!\n",
+			       base_hash_name);
+			err = PTR_ERR(fallback_tfm);
+			goto err_bad_base;
+		}
+	}
+	ctx->base_hash = base_hash;
+
+	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+				 sizeof(struct mv_req_hash_ctx) +
+				 crypto_shash_descsize(ctx->fallback));
+	return 0;
+err_bad_base:
+	crypto_free_shash(fallback_tfm);
+out:
+	return err;
+}
+
+static void mv_cra_hash_exit(struct crypto_tfm *tfm)
+{
+	struct mv_tfm_hash_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	crypto_free_shash(ctx->fallback);
+	if (ctx->base_hash)
+		crypto_free_shash(ctx->base_hash);
+}
+
+static int mv_cra_hash_sha1_init(struct crypto_tfm *tfm)
+{
+	return mv_cra_hash_init(tfm, NULL, COP_SHA1, 0);
+}
+
+static int mv_cra_hash_hmac_sha1_init(struct crypto_tfm *tfm)
+{
+	return mv_cra_hash_init(tfm, "sha1", COP_HMAC_SHA1, SHA1_BLOCK_SIZE);
+}
+
 irqreturn_t crypto_int(int irq, void *priv)
 {
 	u32 val;
@@ -519,6 +953,53 @@ struct crypto_alg mv_aes_alg_cbc = {
 	},
 };
 
+struct ahash_alg mv_sha1_alg = {
+	.init = mv_hash_init,
+	.update = mv_hash_update,
+	.final = mv_hash_final,
+	.finup = mv_hash_finup,
+	.digest = mv_hash_digest,
+	.halg = {
+		 .digestsize = SHA1_DIGEST_SIZE,
+		 .base = {
+			  .cra_name = "sha1",
+			  .cra_driver_name = "mv-sha1",
+			  .cra_priority = 300,
+			  .cra_flags =
+			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
+			  .cra_blocksize = SHA1_BLOCK_SIZE,
+			  .cra_ctxsize = sizeof(struct mv_tfm_hash_ctx),
+			  .cra_init = mv_cra_hash_sha1_init,
+			  .cra_exit = mv_cra_hash_exit,
+			  .cra_module = THIS_MODULE,
+			  }
+		 }
+};
+
+struct ahash_alg mv_hmac_sha1_alg = {
+	.init = mv_hash_init,
+	.update = mv_hash_update,
+	.final = mv_hash_final,
+	.finup = mv_hash_finup,
+	.digest = mv_hash_digest,
+	.setkey = mv_hash_setkey,
+	.halg = {
+		 .digestsize = SHA1_DIGEST_SIZE,
+		 .base = {
+			  .cra_name = "hmac(sha1)",
+			  .cra_driver_name = "mv-hmac-sha1",
+			  .cra_priority = 300,
+			  .cra_flags =
+			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
+			  .cra_blocksize = SHA1_BLOCK_SIZE,
+			  .cra_ctxsize = sizeof(struct mv_tfm_hash_ctx),
+			  .cra_init = mv_cra_hash_hmac_sha1_init,
+			  .cra_exit = mv_cra_hash_exit,
+			  .cra_module = THIS_MODULE,
+			  }
+		 }
+};
+
 static int mv_probe(struct platform_device *pdev)
 {
 	struct crypto_priv *cp;
@@ -527,7 +1008,7 @@ static int mv_probe(struct platform_device *pdev)
 	int ret;
 
 	if (cpg) {
-		printk(KERN_ERR "Second crypto dev?\n");
+		printk(KERN_ERR MV_CESA "Second crypto dev?\n");
 		return -EEXIST;
 	}
 
@@ -591,6 +1072,21 @@ static int mv_probe(struct platform_device *pdev)
 	ret = crypto_register_alg(&mv_aes_alg_cbc);
 	if (ret)
 		goto err_unreg_ecb;
+
+	ret = crypto_register_ahash(&mv_sha1_alg);
+	if (ret == 0)
+		cpg->has_sha1 = 1;
+	else
+		printk(KERN_WARNING MV_CESA "Could not register sha1 driver\n");
+
+	ret = crypto_register_ahash(&mv_hmac_sha1_alg);
+	if (ret == 0) {
+		cpg->has_hmac_sha1 = 1;
+	} else {
+		printk(KERN_WARNING MV_CESA
+		       "Could not register hmac-sha1 driver\n");
+	}
+
 	return 0;
 err_unreg_ecb:
 	crypto_unregister_alg(&mv_aes_alg_ecb);
@@ -615,6 +1111,10 @@ static int mv_remove(struct platform_device *pdev)
 
 	crypto_unregister_alg(&mv_aes_alg_ecb);
 	crypto_unregister_alg(&mv_aes_alg_cbc);
+	if (cp->has_sha1)
+		crypto_unregister_ahash(&mv_sha1_alg);
+	if (cp->has_hmac_sha1)
+		crypto_unregister_ahash(&mv_hmac_sha1_alg);
 	kthread_stop(cp->queue_th);
 	free_irq(cp->irq, cp);
 	memset(cp->sram, 0, cp->sram_size);
diff --git a/drivers/crypto/mv_cesa.h b/drivers/crypto/mv_cesa.h
index c3e25d3bb17..08fcb1116d9 100644
--- a/drivers/crypto/mv_cesa.h
+++ b/drivers/crypto/mv_cesa.h
@@ -1,6 +1,10 @@
 #ifndef __MV_CRYPTO_H__
 
 #define DIGEST_INITIAL_VAL_A	0xdd00
+#define DIGEST_INITIAL_VAL_B	0xdd04
+#define DIGEST_INITIAL_VAL_C	0xdd08
+#define DIGEST_INITIAL_VAL_D	0xdd0c
+#define DIGEST_INITIAL_VAL_E	0xdd10
 #define DES_CMD_REG		0xdd58
 
 #define SEC_ACCEL_CMD		0xde00
@@ -70,6 +74,10 @@ struct sec_accel_config {
 #define CFG_AES_LEN_128		(0 << 24)
 #define CFG_AES_LEN_192		(1 << 24)
 #define CFG_AES_LEN_256		(2 << 24)
+#define CFG_NOT_FRAG		(0 << 30)
+#define CFG_FIRST_FRAG		(1 << 30)
+#define CFG_LAST_FRAG		(2 << 30)
+#define CFG_MID_FRAG		(3 << 30)
 
 	u32 enc_p;
 #define ENC_P_SRC(x)		(x)
@@ -90,7 +98,11 @@ struct sec_accel_config {
 #define MAC_SRC_TOTAL_LEN(x)	((x) << 16)
 
 	u32 mac_digest;
+#define MAC_DIGEST_P(x)	(x)
+#define MAC_FRAG_LEN(x)	((x) << 16)
 	u32 mac_iv;
+#define MAC_INNER_IV_P(x)	(x)
+#define MAC_OUTER_IV_P(x)	((x) << 16)
 }__attribute__ ((packed));
 	/*
 	 * /-----------\ 0
@@ -101,19 +113,37 @@ struct sec_accel_config {
 	 * |  IV   IN  |	4 * 4
 	 * |-----------| 0x40 (inplace)
 	 * |  IV BUF   |	4 * 4
-	 * |-----------| 0x50
+	 * |-----------| 0x80
 	 * |  DATA IN  |	16 * x (max ->max_req_size)
-	 * |-----------| 0x50 (inplace operation)
+	 * |-----------| 0x80 (inplace operation)
 	 * |  DATA OUT |	16 * x (max ->max_req_size)
 	 * \-----------/ SRAM size
 	 */
+
+	/* Hashing memory map:
+	 * /-----------\ 0
+	 * | ACCEL CFG |        4 * 8
+	 * |-----------| 0x20
+	 * | Inner IV  |        5 * 4
+	 * |-----------| 0x34
+	 * | Outer IV  |        5 * 4
+	 * |-----------| 0x48
+	 * | Output BUF|        5 * 4
+	 * |-----------| 0x80
+	 * |  DATA IN  |        64 * x (max ->max_req_size)
+	 * \-----------/ SRAM size
+	 */
 #define SRAM_CONFIG		0x00
 #define SRAM_DATA_KEY_P		0x20
 #define SRAM_DATA_IV		0x40
 #define SRAM_DATA_IV_BUF	0x40
-#define SRAM_DATA_IN_START	0x50
-#define SRAM_DATA_OUT_START	0x50
+#define SRAM_DATA_IN_START	0x80
+#define SRAM_DATA_OUT_START	0x80
 
-#define SRAM_CFG_SPACE		0x50
+#define SRAM_HMAC_IV_IN		0x20
+#define SRAM_HMAC_IV_OUT	0x34
+#define SRAM_DIGEST_BUF		0x48
+
+#define SRAM_CFG_SPACE		0x80
 
 #endif

From 75c28df87eb6d8e1389af67f26fbe2394e28385e Mon Sep 17 00:00:00 2001
From: Pete Zaitcev <zaitcev@redhat.com>
Date: Mon, 12 Apr 2010 12:16:11 -0600
Subject: [PATCH 0438/3638] HID: non-overlapping zeroing of extra bits

From my review of the way the unused bits of report are being zeroed,
it seems like there must be a bug. Currently, the zeroing is done
in hid_output_field and it covers any bits between the last used bit
and the end of the byte. But in case of, say, my keyboard, NumLock is
mask 0x01 and CapsLock is 0x02. Invoking hid_output_field for NumLock
definitely zeroes across CapsLock. The only reason this works is that
the fields are sorted by the offset.

It would be more correct and simpler to zero-fill the buffer into
which the fields are set.

The patch is tested with an IBM keyboard that is improperly sensitive
to out-of-report pad bits, the extra bits are still zeroed and the
fields continue to work as expected. It is also tested with good
keyboards.

In case, a related bug in RHEL 5 is tracked with Red Hat bug 513934.

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 9f92f629d44..8617aa97a9c 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -940,13 +940,8 @@ static void hid_output_field(struct hid_field *field, __u8 *data)
 	unsigned count = field->report_count;
 	unsigned offset = field->report_offset;
 	unsigned size = field->report_size;
-	unsigned bitsused = offset + count * size;
 	unsigned n;
 
-	/* make sure the unused bits in the last byte are zeros */
-	if (count > 0 && size > 0 && (bitsused % 8) != 0)
-		data[(bitsused-1)/8] &= (1 << (bitsused % 8)) - 1;
-
 	for (n = 0; n < count; n++) {
 		if (field->logical_minimum < 0)	/* signed values */
 			implement(data, offset + n * size, size, s32ton(field->value[n], size));
@@ -966,6 +961,7 @@ void hid_output_report(struct hid_report *report, __u8 *data)
 	if (report->id > 0)
 		*data++ = report->id;
 
+	memset(data, 0, ((report->size - 1) >> 3) + 1);
 	for (n = 0; n < report->maxfield; n++)
 		hid_output_field(report->field[n], data);
 }

From a11cdaa7af56423a921a8bdad8f5a5f4ddca918a Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Tue, 13 Apr 2010 19:59:17 +0200
Subject: [PATCH 0439/3638] block: Update to io-controller stats

Changelog from v1:
o Call blkiocg_update_idle_time_stats() at cfq_rq_enqueued() instead of at
  dispatch time.

Changelog from original patchset: (in response to Vivek Goyal's comments)
o group blkiocg_update_blkio_group_dequeue_stats() with other DEBUG functions
o rename blkiocg_update_set_active_queue_stats() to
  blkiocg_update_avg_queue_size_stats()
o s/request/io/ in blkiocg_update_request_add_stats() and
  blkiocg_update_request_remove_stats()
o Call cfq_del_timer() at request dispatch() instead of
  blkiocg_update_idle_time_stats()

Signed-off-by: Divyesh Shah<dpshah@google.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c  | 28 +++++++++++++---------------
 block/blk-cgroup.h  | 12 ++++++------
 block/cfq-iosched.c | 20 +++++++++-----------
 3 files changed, 28 insertions(+), 32 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 649b05d7f29..25cc7514d81 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -202,7 +202,7 @@ void blkiocg_update_idle_time_stats(struct blkio_group *blkg)
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_idle_time_stats);
 
-void blkiocg_update_set_active_queue_stats(struct blkio_group *blkg)
+void blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg)
 {
 	unsigned long flags;
 	struct blkio_group_stats *stats;
@@ -216,14 +216,21 @@ void blkiocg_update_set_active_queue_stats(struct blkio_group *blkg)
 	blkio_update_group_wait_time(stats);
 	spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
-EXPORT_SYMBOL_GPL(blkiocg_update_set_active_queue_stats);
+EXPORT_SYMBOL_GPL(blkiocg_update_avg_queue_size_stats);
+
+void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
+			unsigned long dequeue)
+{
+	blkg->stats.dequeue += dequeue;
+}
+EXPORT_SYMBOL_GPL(blkiocg_update_dequeue_stats);
 #else
 static inline void blkio_set_start_group_wait_time(struct blkio_group *blkg,
 					struct blkio_group *curr_blkg) {}
 static inline void blkio_end_empty_time(struct blkio_group_stats *stats) {}
 #endif
 
-void blkiocg_update_request_add_stats(struct blkio_group *blkg,
+void blkiocg_update_io_add_stats(struct blkio_group *blkg,
 			struct blkio_group *curr_blkg, bool direction,
 			bool sync)
 {
@@ -236,9 +243,9 @@ void blkiocg_update_request_add_stats(struct blkio_group *blkg,
 	blkio_set_start_group_wait_time(blkg, curr_blkg);
 	spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
-EXPORT_SYMBOL_GPL(blkiocg_update_request_add_stats);
+EXPORT_SYMBOL_GPL(blkiocg_update_io_add_stats);
 
-void blkiocg_update_request_remove_stats(struct blkio_group *blkg,
+void blkiocg_update_io_remove_stats(struct blkio_group *blkg,
 						bool direction, bool sync)
 {
 	unsigned long flags;
@@ -248,7 +255,7 @@ void blkiocg_update_request_remove_stats(struct blkio_group *blkg,
 					direction, sync);
 	spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
-EXPORT_SYMBOL_GPL(blkiocg_update_request_remove_stats);
+EXPORT_SYMBOL_GPL(blkiocg_update_io_remove_stats);
 
 void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
 {
@@ -636,15 +643,6 @@ SHOW_FUNCTION_PER_GROUP(empty_time, BLKIO_STAT_EMPTY_TIME, 0);
 #endif
 #undef SHOW_FUNCTION_PER_GROUP
 
-#ifdef CONFIG_DEBUG_BLK_CGROUP
-void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
-			unsigned long dequeue)
-{
-	blkg->stats.dequeue += dequeue;
-}
-EXPORT_SYMBOL_GPL(blkiocg_update_dequeue_stats);
-#endif
-
 static int blkio_check_dev_num(dev_t dev)
 {
 	int part = 0;
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 3c27bdfc97b..1d409ad9c6e 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -169,7 +169,7 @@ static inline char *blkg_path(struct blkio_group *blkg)
 {
 	return blkg->path;
 }
-void blkiocg_update_set_active_queue_stats(struct blkio_group *blkg);
+void blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg);
 void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 				unsigned long dequeue);
 void blkiocg_update_set_idle_time_stats(struct blkio_group *blkg);
@@ -198,7 +198,7 @@ BLKG_FLAG_FNS(empty)
 #undef BLKG_FLAG_FNS
 #else
 static inline char *blkg_path(struct blkio_group *blkg) { return NULL; }
-static inline void blkiocg_update_set_active_queue_stats(
+static inline void blkiocg_update_avg_queue_size_stats(
 						struct blkio_group *blkg) {}
 static inline void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 						unsigned long dequeue) {}
@@ -226,9 +226,9 @@ void blkiocg_update_completion_stats(struct blkio_group *blkg,
 	uint64_t start_time, uint64_t io_start_time, bool direction, bool sync);
 void blkiocg_update_io_merged_stats(struct blkio_group *blkg, bool direction,
 					bool sync);
-void blkiocg_update_request_add_stats(struct blkio_group *blkg,
+void blkiocg_update_io_add_stats(struct blkio_group *blkg,
 		struct blkio_group *curr_blkg, bool direction, bool sync);
-void blkiocg_update_request_remove_stats(struct blkio_group *blkg,
+void blkiocg_update_io_remove_stats(struct blkio_group *blkg,
 					bool direction, bool sync);
 #else
 struct cgroup;
@@ -253,9 +253,9 @@ static inline void blkiocg_update_completion_stats(struct blkio_group *blkg,
 		bool sync) {}
 static inline void blkiocg_update_io_merged_stats(struct blkio_group *blkg,
 						bool direction, bool sync) {}
-static inline void blkiocg_update_request_add_stats(struct blkio_group *blkg,
+static inline void blkiocg_update_io_add_stats(struct blkio_group *blkg,
 		struct blkio_group *curr_blkg, bool direction, bool sync) {}
-static inline void blkiocg_update_request_remove_stats(struct blkio_group *blkg,
+static inline void blkiocg_update_io_remove_stats(struct blkio_group *blkg,
 						bool direction, bool sync) {}
 #endif
 #endif /* _BLK_CGROUP_H */
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 91af2f2e59c..42be3b68d35 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1381,10 +1381,10 @@ static void cfq_reposition_rq_rb(struct cfq_queue *cfqq, struct request *rq)
 {
 	elv_rb_del(&cfqq->sort_list, rq);
 	cfqq->queued[rq_is_sync(rq)]--;
-	blkiocg_update_request_remove_stats(&cfqq->cfqg->blkg, rq_data_dir(rq),
+	blkiocg_update_io_remove_stats(&cfqq->cfqg->blkg, rq_data_dir(rq),
 						rq_is_sync(rq));
 	cfq_add_rq_rb(rq);
-	blkiocg_update_request_add_stats(
+	blkiocg_update_io_add_stats(
 			&cfqq->cfqg->blkg, &cfqq->cfqd->serving_group->blkg,
 			rq_data_dir(rq), rq_is_sync(rq));
 }
@@ -1442,7 +1442,7 @@ static void cfq_remove_request(struct request *rq)
 	cfq_del_rq_rb(rq);
 
 	cfqq->cfqd->rq_queued--;
-	blkiocg_update_request_remove_stats(&cfqq->cfqg->blkg, rq_data_dir(rq),
+	blkiocg_update_io_remove_stats(&cfqq->cfqg->blkg, rq_data_dir(rq),
 						rq_is_sync(rq));
 	if (rq_is_meta(rq)) {
 		WARN_ON(!cfqq->meta_pending);
@@ -1541,7 +1541,7 @@ static void __cfq_set_active_queue(struct cfq_data *cfqd,
 	if (cfqq) {
 		cfq_log_cfqq(cfqd, cfqq, "set_active wl_prio:%d wl_type:%d",
 				cfqd->serving_prio, cfqd->serving_type);
-		blkiocg_update_set_active_queue_stats(&cfqq->cfqg->blkg);
+		blkiocg_update_avg_queue_size_stats(&cfqq->cfqg->blkg);
 		cfqq->slice_start = 0;
 		cfqq->dispatch_start = jiffies;
 		cfqq->allocated_slice = 0;
@@ -2395,11 +2395,6 @@ static int cfq_dispatch_requests(struct request_queue *q, int force)
 	}
 
 	cfq_log_cfqq(cfqd, cfqq, "dispatched a request");
-	/*
-	 * This is needed since we don't exactly match the mod_timer() and
-	 * del_timer() calls in CFQ.
-	 */
-	blkiocg_update_idle_time_stats(&cfqq->cfqg->blkg);
 	return 1;
 }
 
@@ -3208,8 +3203,11 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
 				cfq_del_timer(cfqd, cfqq);
 				cfq_clear_cfqq_wait_request(cfqq);
 				__blk_run_queue(cfqd->queue);
-			} else
+			} else {
+				blkiocg_update_idle_time_stats(
+						&cfqq->cfqg->blkg);
 				cfq_mark_cfqq_must_dispatch(cfqq);
+			}
 		}
 	} else if (cfq_should_preempt(cfqd, cfqq, rq)) {
 		/*
@@ -3235,7 +3233,7 @@ static void cfq_insert_request(struct request_queue *q, struct request *rq)
 	list_add_tail(&rq->queuelist, &cfqq->fifo);
 	cfq_add_rq_rb(rq);
 
-	blkiocg_update_request_add_stats(&cfqq->cfqg->blkg,
+	blkiocg_update_io_add_stats(&cfqq->cfqg->blkg,
 			&cfqd->serving_group->blkg, rq_data_dir(rq),
 			rq_is_sync(rq));
 	cfq_rq_enqueued(cfqd, cfqq, rq);

From ded518c60967793706f19b2c63dc43deac29ef6f Mon Sep 17 00:00:00 2001
From: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Date: Wed, 24 Mar 2010 14:32:17 +0300
Subject: [PATCH 0440/3638] imx3: Add rtc platform device support

This patch adds support for build-in RTC device found on
Freescale imx31 and imx35 SoCs.

Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/devices.c | 19 +++++++++++++++++++
 arch/arm/mach-mx3/devices.h |  1 +
 2 files changed, 20 insertions(+)

diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index f8911154a9f..1ffed283d6c 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -588,6 +588,25 @@ struct platform_device imx_wdt_device0 = {
 	.resource       = imx_wdt_resources,
 };
 
+static struct resource imx_rtc_resources[] = {
+	{
+		.start  = MX31_RTC_BASE_ADDR,
+		.end    = MX31_RTC_BASE_ADDR + 0x3fff,
+		.flags  = IORESOURCE_MEM,
+	},
+	{
+		.start  = MX31_INT_RTC,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device imx_rtc_device0 = {
+	.name           = "mxc_rtc",
+	.id             = -1,
+	.num_resources  = ARRAY_SIZE(imx_rtc_resources),
+	.resource       = imx_rtc_resources,
+};
+
 static int __init mx3_devices_init(void)
 {
 	if (cpu_is_mx31()) {
diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
index 4f77eb50127..b1687ad7205 100644
--- a/arch/arm/mach-mx3/devices.h
+++ b/arch/arm/mach-mx3/devices.h
@@ -27,3 +27,4 @@ extern struct platform_device imx_ssi_device0;
 extern struct platform_device imx_ssi_device1;
 extern struct platform_device imx_ssi_device1;
 extern struct platform_device imx_wdt_device0;
+extern struct platform_device imx_rtc_device0;

From 8bcc84ad61a601f4d8fc960d5e6495d6fc88177b Mon Sep 17 00:00:00 2001
From: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Date: Wed, 24 Mar 2010 14:32:18 +0300
Subject: [PATCH 0441/3638] imx31: add rtc device on litekit board.

This patch adds support for SoC build-in RTC device on litekit board.

Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/mx31lite-db.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-mx3/mx31lite-db.c b/arch/arm/mach-mx3/mx31lite-db.c
index 093c595ca58..5f05bfbec38 100644
--- a/arch/arm/mach-mx3/mx31lite-db.c
+++ b/arch/arm/mach-mx3/mx31lite-db.c
@@ -206,5 +206,6 @@ void __init mx31lite_db_init(void)
 	mxc_register_device(&mxc_spi_device0, &spi0_pdata);
 	platform_device_register(&litekit_led_device);
 	mxc_register_device(&imx_wdt_device0, NULL);
+	mxc_register_device(&imx_rtc_device0, NULL);
 }
 

From 7422f27a8ad7f6a7474e324a61e5a7f8be166c25 Mon Sep 17 00:00:00 2001
From: Ivo Clarysse <ivo.clarysse@gmail.com>
Date: Thu, 8 Apr 2010 16:14:44 +0200
Subject: [PATCH 0442/3638] MXC: mxc_nand: set NFC registers after reset

This patch allows the mxc_nand driver to reset the NAND
flash controller.  NFC registers are (re-)set after
completion of the reset, as a reset will have reverted
the NFC registers to their default values.

Signed-off-by: Ivo Clarysse <ivo.clarysse@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/mtd/nand/mxc_nand.c | 90 ++++++++++++++++++++-----------------
 1 file changed, 48 insertions(+), 42 deletions(-)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index b2900d8406d..ed27d38de27 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -542,6 +542,41 @@ static void mxc_do_addr_cycle(struct mtd_info *mtd, int column, int page_addr)
 	}
 }
 
+static void preset(struct mtd_info *mtd)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+	uint16_t tmp;
+
+	/* disable interrupt, disable spare enable */
+	tmp = readw(host->regs + NFC_CONFIG1);
+	tmp |= NFC_INT_MSK;
+	tmp &= ~NFC_SP_EN;
+	if (nand_chip->ecc.mode == NAND_ECC_HW) {
+		tmp |= NFC_ECC_EN;
+	} else {
+		tmp &= ~NFC_ECC_EN;
+	}
+	writew(tmp, host->regs + NFC_CONFIG1);
+	/* preset operation */
+
+	/* Unlock the internal RAM Buffer */
+	writew(0x2, host->regs + NFC_CONFIG);
+
+	/* Blocks to be unlocked */
+	if (nfc_is_v21()) {
+		writew(0x0, host->regs + NFC_V21_UNLOCKSTART_BLKADDR);
+		writew(0xffff, host->regs + NFC_V21_UNLOCKEND_BLKADDR);
+	} else if (nfc_is_v1()) {
+		writew(0x0, host->regs + NFC_V1_UNLOCKSTART_BLKADDR);
+		writew(0x4000, host->regs + NFC_V1_UNLOCKEND_BLKADDR);
+	} else
+		BUG();
+
+	/* Unlock Block Command for given address range */
+	writew(0x4, host->regs + NFC_WRPROT);
+}
+
 /* Used by the upper layer to write command to NAND Flash for
  * different operations to be carried out on NAND Flash */
 static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
@@ -559,6 +594,10 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
 
 	/* Command pre-processing step */
 	switch (command) {
+	case NAND_CMD_RESET:
+		send_cmd(host, command, false);
+		preset(mtd);
+		break;
 
 	case NAND_CMD_STATUS:
 		host->buf_start = 0;
@@ -679,7 +718,6 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 	struct mxc_nand_platform_data *pdata = pdev->dev.platform_data;
 	struct mxc_nand_host *host;
 	struct resource *res;
-	uint16_t tmp;
 	int err = 0, nr_parts = 0;
 	struct nand_ecclayout *oob_smallpage, *oob_largepage;
 
@@ -743,51 +781,17 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 		host->spare_len = 64;
 		oob_smallpage = &nandv2_hw_eccoob_smallpage;
 		oob_largepage = &nandv2_hw_eccoob_largepage;
+		this->ecc.bytes = 9;
 	} else if (nfc_is_v1()) {
 		host->regs = host->base;
 		host->spare0 = host->base + 0x800;
 		host->spare_len = 16;
 		oob_smallpage = &nandv1_hw_eccoob_smallpage;
 		oob_largepage = &nandv1_hw_eccoob_largepage;
-	} else
-		BUG();
-
-	/* disable interrupt and spare enable */
-	tmp = readw(host->regs + NFC_CONFIG1);
-	tmp |= NFC_INT_MSK;
-	tmp &= ~NFC_SP_EN;
-	writew(tmp, host->regs + NFC_CONFIG1);
-
-	init_waitqueue_head(&host->irq_waitq);
-
-	host->irq = platform_get_irq(pdev, 0);
-
-	err = request_irq(host->irq, mxc_nfc_irq, 0, DRIVER_NAME, host);
-	if (err)
-		goto eirq;
-
-	/* Reset NAND */
-	this->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
-
-	/* preset operation */
-	/* Unlock the internal RAM Buffer */
-	writew(0x2, host->regs + NFC_CONFIG);
-
-	/* Blocks to be unlocked */
-	if (nfc_is_v21()) {
-		writew(0x0, host->regs + NFC_V21_UNLOCKSTART_BLKADDR);
-	        writew(0xffff, host->regs + NFC_V21_UNLOCKEND_BLKADDR);
-		this->ecc.bytes = 9;
-	} else if (nfc_is_v1()) {
-		writew(0x0, host->regs + NFC_V1_UNLOCKSTART_BLKADDR);
-	        writew(0x4000, host->regs + NFC_V1_UNLOCKEND_BLKADDR);
 		this->ecc.bytes = 3;
 	} else
 		BUG();
 
-	/* Unlock Block Command for given address range */
-	writew(0x4, host->regs + NFC_WRPROT);
-
 	this->ecc.size = 512;
 	this->ecc.layout = oob_smallpage;
 
@@ -796,14 +800,8 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 		this->ecc.hwctl = mxc_nand_enable_hwecc;
 		this->ecc.correct = mxc_nand_correct_data;
 		this->ecc.mode = NAND_ECC_HW;
-		tmp = readw(host->regs + NFC_CONFIG1);
-		tmp |= NFC_ECC_EN;
-		writew(tmp, host->regs + NFC_CONFIG1);
 	} else {
 		this->ecc.mode = NAND_ECC_SOFT;
-		tmp = readw(host->regs + NFC_CONFIG1);
-		tmp &= ~NFC_ECC_EN;
-		writew(tmp, host->regs + NFC_CONFIG1);
 	}
 
 	/* NAND bus width determines access funtions used by upper layer */
@@ -817,6 +815,14 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 		this->options |= NAND_USE_FLASH_BBT;
 	}
 
+	init_waitqueue_head(&host->irq_waitq);
+
+	host->irq = platform_get_irq(pdev, 0);
+
+	err = request_irq(host->irq, mxc_nfc_irq, 0, DRIVER_NAME, host);
+	if (err)
+		goto eirq;
+
 	/* first scan to find the device and get the page size */
 	if (nand_scan_ident(mtd, 1)) {
 		err = -ENXIO;

From 63f4079b6a90e2a8ee64c5900a6d4d0bcb79bc65 Mon Sep 17 00:00:00 2001
From: Ivo Clarysse <ivo.clarysse@gmail.com>
Date: Thu, 8 Apr 2010 16:16:51 +0200
Subject: [PATCH 0443/3638] MXC: mxc_nand: support i.MX21

On i.MX21 SoCs, if the NFC_CONFIG1:NFC_INT_MASK bit is set,
NFC_CONFIG2:NFC_INT always reads out zero, even if an
operation is completed.  This patch uses enable_irq and
disable_irq_nosync instead of NFC_CONFIG1:NFC_INT_MASK to
mask NFC interrupts.  This allows NFC_CONFIG2:NFC_INT to also
be used to detect operation completion on i.MX21.

The i.MX21 NFC does not signal reset completion using
NFC_CONFIG1:NFC_INT_MASK, so instead reset completion is
tested by checking if NFC_CONFIG2 becomes 0.

Signed-off-by: Ivo Clarysse <ivo.clarysse@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/mtd/nand/mxc_nand.c | 41 ++++++++++++++++++++++---------------
 1 file changed, 25 insertions(+), 16 deletions(-)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index ed27d38de27..fb03aff8e83 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -38,7 +38,7 @@
 #define DRIVER_NAME "mxc_nand"
 
 #define nfc_is_v21()		(cpu_is_mx25() || cpu_is_mx35())
-#define nfc_is_v1()		(cpu_is_mx31() || cpu_is_mx27())
+#define nfc_is_v1()		(cpu_is_mx31() || cpu_is_mx27() || cpu_is_mx21())
 
 /* Addresses for NFC registers */
 #define NFC_BUF_SIZE		0xE00
@@ -168,11 +168,7 @@ static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
 {
 	struct mxc_nand_host *host = dev_id;
 
-	uint16_t tmp;
-
-	tmp = readw(host->regs + NFC_CONFIG1);
-	tmp |= NFC_INT_MSK; /* Disable interrupt */
-	writew(tmp, host->regs + NFC_CONFIG1);
+	disable_irq_nosync(irq);
 
 	wake_up(&host->irq_waitq);
 
@@ -184,15 +180,13 @@ static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
  */
 static void wait_op_done(struct mxc_nand_host *host, int useirq)
 {
-	uint32_t tmp;
-	int max_retries = 2000;
+	uint16_t tmp;
+	int max_retries = 8000;
 
 	if (useirq) {
 		if ((readw(host->regs + NFC_CONFIG2) & NFC_INT) == 0) {
 
-			tmp = readw(host->regs + NFC_CONFIG1);
-			tmp  &= ~NFC_INT_MSK;	/* Enable interrupt */
-			writew(tmp, host->regs + NFC_CONFIG1);
+			enable_irq(host->irq);
 
 			wait_event(host->irq_waitq,
 				readw(host->regs + NFC_CONFIG2) & NFC_INT);
@@ -226,8 +220,23 @@ static void send_cmd(struct mxc_nand_host *host, uint16_t cmd, int useirq)
 	writew(cmd, host->regs + NFC_FLASH_CMD);
 	writew(NFC_CMD, host->regs + NFC_CONFIG2);
 
-	/* Wait for operation to complete */
-	wait_op_done(host, useirq);
+	if (cpu_is_mx21() && (cmd == NAND_CMD_RESET)) {
+		int max_retries = 100;
+		/* Reset completion is indicated by NFC_CONFIG2 */
+		/* being set to 0 */
+		while (max_retries-- > 0) {
+			if (readw(host->regs + NFC_CONFIG2) == 0) {
+				break;
+			}
+			udelay(1);
+		}
+		if (max_retries < 0)
+			DEBUG(MTD_DEBUG_LEVEL0, "%s: RESET failed\n",
+			      __func__);
+	} else {
+		/* Wait for operation to complete */
+		wait_op_done(host, useirq);
+	}
 }
 
 /* This function sends an address (or partial address) to the
@@ -548,9 +557,9 @@ static void preset(struct mtd_info *mtd)
 	struct mxc_nand_host *host = nand_chip->priv;
 	uint16_t tmp;
 
-	/* disable interrupt, disable spare enable */
+	/* enable interrupt, disable spare enable */
 	tmp = readw(host->regs + NFC_CONFIG1);
-	tmp |= NFC_INT_MSK;
+	tmp &= ~NFC_INT_MSK;
 	tmp &= ~NFC_SP_EN;
 	if (nand_chip->ecc.mode == NAND_ECC_HW) {
 		tmp |= NFC_ECC_EN;
@@ -819,7 +828,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 
 	host->irq = platform_get_irq(pdev, 0);
 
-	err = request_irq(host->irq, mxc_nfc_irq, 0, DRIVER_NAME, host);
+	err = request_irq(host->irq, mxc_nfc_irq, IRQF_DISABLED, DRIVER_NAME, host);
 	if (err)
 		goto eirq;
 

From 066fb8472036805e31ee002097f619815e25a127 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Tue, 13 Apr 2010 20:11:37 +0200
Subject: [PATCH 0444/3638] ARM: mx3/lilly1131: add USB support

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/Kconfig          |   1 +
 arch/arm/mach-mx3/mach-mx31lilly.c | 145 +++++++++++++++++++++++++++++
 2 files changed, 146 insertions(+)

diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 170f68e46dd..344753fdf25 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -82,6 +82,7 @@ config MACH_MX31MOBOARD
 config MACH_MX31LILLY
 	bool "Support MX31 LILLY-1131 platforms (INCO startec)"
 	select ARCH_MX31
+	select MXC_ULPI if USB_ULPI
 	help
 	  Include support for mx31 based LILLY1131 modules. This includes
 	  specific configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx3/mach-mx31lilly.c b/arch/arm/mach-mx3/mach-mx31lilly.c
index 80847b04c06..d3d5877c750 100644
--- a/arch/arm/mach-mx3/mach-mx31lilly.c
+++ b/arch/arm/mach-mx3/mach-mx31lilly.c
@@ -27,12 +27,15 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/clk.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/smsc911x.h>
 #include <linux/mtd/physmap.h>
 #include <linux/spi/spi.h>
 #include <linux/mfd/mc13783.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -44,6 +47,8 @@
 #include <mach/iomux-mx3.h>
 #include <mach/board-mx31lilly.h>
 #include <mach/spi.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
 
 #include "devices.h"
 
@@ -108,6 +113,137 @@ static struct platform_device physmap_flash_device = {
 	.num_resources = 1,
 };
 
+/* USB */
+
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+static int usbotg_init(struct platform_device *pdev)
+{
+	unsigned int pins[] = {
+		MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
+		MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
+		MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
+		MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
+		MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
+		MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
+		MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
+		MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
+		MX31_PIN_USBOTG_CLK__USBOTG_CLK,
+		MX31_PIN_USBOTG_DIR__USBOTG_DIR,
+		MX31_PIN_USBOTG_NXT__USBOTG_NXT,
+		MX31_PIN_USBOTG_STP__USBOTG_STP,
+	};
+
+	mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB OTG");
+
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
+
+	mxc_iomux_set_gpr(MUX_PGP_USB_4WIRE, true);
+	mxc_iomux_set_gpr(MUX_PGP_USB_COMMON, true);
+
+	/* chip select */
+	mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE2, IOMUX_CONFIG_GPIO),
+				"USBOTG_CS");
+	gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), "USBH1 CS");
+	gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), 0);
+
+	return 0;
+}
+
+static int usbh1_init(struct platform_device *pdev)
+{
+	int pins[] = {
+		MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
+		MX31_PIN_CSPI1_MISO__USBH1_RXDP,
+		MX31_PIN_CSPI1_SS0__USBH1_TXDM,
+		MX31_PIN_CSPI1_SS1__USBH1_TXDP,
+		MX31_PIN_CSPI1_SS2__USBH1_RCV,
+		MX31_PIN_CSPI1_SCLK__USBH1_OEB,
+		MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,
+	};
+
+	mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");
+
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
+
+	mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
+
+	return 0;
+}
+
+static int usbh2_init(struct platform_device *pdev)
+{
+	int pins[] = {
+		MX31_PIN_USBH2_DATA0__USBH2_DATA0,
+		MX31_PIN_USBH2_DATA1__USBH2_DATA1,
+		MX31_PIN_USBH2_CLK__USBH2_CLK,
+		MX31_PIN_USBH2_DIR__USBH2_DIR,
+		MX31_PIN_USBH2_NXT__USBH2_NXT,
+		MX31_PIN_USBH2_STP__USBH2_STP,
+	};
+
+	mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");
+
+	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
+
+	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
+
+	/* chip select */
+	mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),
+				"USBH2_CS");
+	gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");
+	gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);
+
+	return 0;
+}
+
+static struct mxc_usbh_platform_data usbotg_pdata = {
+	.init	= usbotg_init,
+	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+	.flags	= MXC_EHCI_POWER_PINS_ENABLED,
+};
+
+static struct mxc_usbh_platform_data usbh1_pdata = {
+	.init	= usbh1_init,
+	.portsc	= MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
+	.flags	= MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
+};
+
+static struct mxc_usbh_platform_data usbh2_pdata = {
+	.init	= usbh2_init,
+	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+	.flags	= MXC_EHCI_POWER_PINS_ENABLED,
+};
+
 static struct platform_device *devices[] __initdata = {
 	&smsc91x_device,
 	&physmap_flash_device,
@@ -183,6 +319,15 @@ static void __init mx31lilly_board_init(void)
 	spi_register_board_info(&mc13783_dev, 1);
 
 	platform_add_devices(devices, ARRAY_SIZE(devices));
+
+	/* USB */
+	usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+	usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+	mxc_register_device(&mxc_usbh1, &usbh1_pdata);
+	mxc_register_device(&mxc_usbh2, &usbh2_pdata);
 }
 
 static void __init mx31lilly_timer_init(void)

From 4725f6f17691f4602e3e31d785da5a461a16ccfe Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Thu, 1 Apr 2010 10:03:23 +0200
Subject: [PATCH 0445/3638] ARM: MXC: mxcmmc: misc cleanups
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Be more verbose on error messages and add one debug message.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Volker Ernst <volker.ernst@txtr.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Michał Mirosław <mirqus@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/mmc/host/mxcmmc.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 2df90412abb..44a53ee5e21 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -151,6 +151,8 @@ static void mxcmci_softreset(struct mxcmci_host *host)
 {
 	int i;
 
+	dev_dbg(mmc_dev(host->mmc), "mxcmci_softreset\n");
+
 	/* reset sequence */
 	writew(STR_STP_CLK_RESET, host->base + MMC_REG_STR_STP_CLK);
 	writew(STR_STP_CLK_RESET | STR_STP_CLK_START_CLK,
@@ -290,16 +292,25 @@ static int mxcmci_finish_data(struct mxcmci_host *host, unsigned int stat)
 		dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n",
 				stat);
 		if (stat & STATUS_CRC_READ_ERR) {
+			dev_err(mmc_dev(host->mmc), "%s: -EILSEQ\n", __func__);
 			data->error = -EILSEQ;
 		} else if (stat & STATUS_CRC_WRITE_ERR) {
 			u32 err_code = (stat >> 9) & 0x3;
-			if (err_code == 2) /* No CRC response */
+			if (err_code == 2) { /* No CRC response */
+				dev_err(mmc_dev(host->mmc),
+					"%s: No CRC -ETIMEDOUT\n", __func__);
 				data->error = -ETIMEDOUT;
-			else
+			} else {
+				dev_err(mmc_dev(host->mmc),
+					"%s: -EILSEQ\n", __func__);
 				data->error = -EILSEQ;
+			}
 		} else if (stat & STATUS_TIME_OUT_READ) {
+			dev_err(mmc_dev(host->mmc),
+				"%s: read -ETIMEDOUT\n", __func__);
 			data->error = -ETIMEDOUT;
 		} else {
+			dev_err(mmc_dev(host->mmc), "%s: -EIO\n", __func__);
 			data->error = -EIO;
 		}
 	} else {
@@ -433,8 +444,6 @@ static int mxcmci_transfer_data(struct mxcmci_host *host)
 	struct scatterlist *sg;
 	int stat, i;
 
-	host->datasize = 0;
-
 	host->data = data;
 	host->datasize = 0;
 

From f441b993101d4ee95222ccbaad1e0dd53ea90b64 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Thu, 1 Apr 2010 10:03:24 +0200
Subject: [PATCH 0446/3638] ARM: MXC: mxcmmc: Teach the driver SDIO operations
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Successfully tested on MX31 hardware using libertas SDIO peripherals.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Volker Ernst <volker.ernst@txtr.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Michał Mirosław <mirqus@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/mmc/host/mxcmmc.c | 70 +++++++++++++++++++++++++++++++++------
 1 file changed, 59 insertions(+), 11 deletions(-)

diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 44a53ee5e21..51e880c8f19 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -119,6 +119,7 @@ struct mxcmci_host {
 	int			detect_irq;
 	int			dma;
 	int			do_dma;
+	int			use_sdio;
 	unsigned int		power_mode;
 	struct imxmmc_platform_data *pdata;
 
@@ -138,6 +139,7 @@ struct mxcmci_host {
 	int			clock;
 
 	struct work_struct	datawork;
+	spinlock_t		lock;
 };
 
 static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios);
@@ -226,6 +228,9 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
 static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
 		unsigned int cmdat)
 {
+	u32 int_cntr;
+	unsigned long flags;
+
 	WARN_ON(host->cmd != NULL);
 	host->cmd = cmd;
 
@@ -249,12 +254,16 @@ static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
 		return -EINVAL;
 	}
 
+	int_cntr = INT_END_CMD_RES_EN;
+
 	if (mxcmci_use_dma(host))
-		writel(INT_READ_OP_EN | INT_WRITE_OP_DONE_EN |
-				INT_END_CMD_RES_EN,
-				host->base + MMC_REG_INT_CNTR);
-	else
-		writel(INT_END_CMD_RES_EN, host->base + MMC_REG_INT_CNTR);
+		int_cntr |= INT_READ_OP_EN | INT_WRITE_OP_DONE_EN;
+
+	spin_lock_irqsave(&host->lock, flags);
+	if (host->use_sdio)
+		int_cntr |= INT_SDIO_IRQ_EN;
+	writel(int_cntr, host->base + MMC_REG_INT_CNTR);
+	spin_unlock_irqrestore(&host->lock, flags);
 
 	writew(cmd->opcode, host->base + MMC_REG_CMD);
 	writel(cmd->arg, host->base + MMC_REG_ARG);
@@ -266,7 +275,14 @@ static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
 static void mxcmci_finish_request(struct mxcmci_host *host,
 		struct mmc_request *req)
 {
-	writel(0, host->base + MMC_REG_INT_CNTR);
+	u32 int_cntr = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&host->lock, flags);
+	if (host->use_sdio)
+		int_cntr |= INT_SDIO_IRQ_EN;
+	writel(int_cntr, host->base + MMC_REG_INT_CNTR);
+	spin_unlock_irqrestore(&host->lock, flags);
 
 	host->req = NULL;
 	host->cmd = NULL;
@@ -532,15 +548,27 @@ static void mxcmci_cmd_done(struct mxcmci_host *host, unsigned int stat)
 static irqreturn_t mxcmci_irq(int irq, void *devid)
 {
 	struct mxcmci_host *host = devid;
+	unsigned long flags;
+	bool sdio_irq;
 	u32 stat;
 
 	stat = readl(host->base + MMC_REG_STATUS);
-	writel(stat, host->base + MMC_REG_STATUS);
+	writel(stat & ~STATUS_SDIO_INT_ACTIVE, host->base + MMC_REG_STATUS);
 
 	dev_dbg(mmc_dev(host->mmc), "%s: 0x%08x\n", __func__, stat);
 
+	spin_lock_irqsave(&host->lock, flags);
+	sdio_irq = (stat & STATUS_SDIO_INT_ACTIVE) && host->use_sdio;
+	spin_unlock_irqrestore(&host->lock, flags);
+
+	if (sdio_irq) {
+		writel(STATUS_SDIO_INT_ACTIVE, host->base + MMC_REG_STATUS);
+		mmc_signal_sdio_irq(host->mmc);
+	}
+
 	if (stat & STATUS_END_CMD_RESP)
 		mxcmci_cmd_done(host, stat);
+
 #ifdef HAS_DMA
 	if (mxcmci_use_dma(host) &&
 		  (stat & (STATUS_DATA_TRANS_DONE | STATUS_WRITE_OP_DONE)))
@@ -677,11 +705,30 @@ static int mxcmci_get_ro(struct mmc_host *mmc)
 	return -ENOSYS;
 }
 
+static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable)
+{
+	struct mxcmci_host *host = mmc_priv(mmc);
+	unsigned long flags;
+	u32 int_cntr;
+
+	spin_lock_irqsave(&host->lock, flags);
+	host->use_sdio = enable;
+	int_cntr = readl(host->base + MMC_REG_INT_CNTR);
+
+	if (enable)
+		int_cntr |= INT_SDIO_IRQ_EN;
+	else
+		int_cntr &= ~INT_SDIO_IRQ_EN;
+
+	writel(int_cntr, host->base + MMC_REG_INT_CNTR);
+	spin_unlock_irqrestore(&host->lock, flags);
+}
 
 static const struct mmc_host_ops mxcmci_ops = {
-	.request	= mxcmci_request,
-	.set_ios	= mxcmci_set_ios,
-	.get_ro		= mxcmci_get_ro,
+	.request		= mxcmci_request,
+	.set_ios		= mxcmci_set_ios,
+	.get_ro			= mxcmci_get_ro,
+	.enable_sdio_irq	= mxcmci_enable_sdio_irq,
 };
 
 static int mxcmci_probe(struct platform_device *pdev)
@@ -709,7 +756,7 @@ static int mxcmci_probe(struct platform_device *pdev)
 	}
 
 	mmc->ops = &mxcmci_ops;
-	mmc->caps = MMC_CAP_4_BIT_DATA;
+	mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ;
 
 	/* MMC core transfer sizes tunable parameters */
 	mmc->max_hw_segs = 64;
@@ -728,6 +775,7 @@ static int mxcmci_probe(struct platform_device *pdev)
 
 	host->mmc = mmc;
 	host->pdata = pdev->dev.platform_data;
+	spin_lock_init(&host->lock);
 
 	if (host->pdata && host->pdata->ocr_avail)
 		mmc->ocr_avail = host->pdata->ocr_avail;

From 3fcb027d7fd749569665d34a79ce2a8e00bc2ed6 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Thu, 1 Apr 2010 10:03:25 +0200
Subject: [PATCH 0447/3638] ARM: MXC: mxcmmc: work around a bug in the SDHC
 busy line handling
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

MX3 SoCs have a silicon bug which corrupts CRC calculation of
multi-block transfers when connected SDIO peripheral doesn't drive the
BUSY line as required by the specs.

One way to prevent this is to only allow 1-bit transfers.

Another way is playing tricks with the DMA engine, but this isn't
mainline yet. So for now, we live with the performance drawback of 1-bit
transfers until a nicer solution is found.

This patch introduces a new host controller callback 'init_card' which
is for now only called from mmc_sdio_init_card().

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Volker Ernst <volker.ernst@txtr.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Michał Mirosław <mirqus@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/mmc/core/sdio.c   |  6 ++++++
 drivers/mmc/host/mxcmmc.c | 16 ++++++++++++++++
 include/linux/mmc/host.h  |  3 +++
 3 files changed, 25 insertions(+)

diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 2dd4cfe7ca1..b9dee28ee7d 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -295,6 +295,12 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
 
 	card->type = MMC_TYPE_SDIO;
 
+	/*
+	 * Call the optional HC's init_card function to handle quirks.
+	 */
+	if (host->ops->init_card)
+		host->ops->init_card(host, card);
+
 	/*
 	 * For native busses:  set card RCA and quit open drain mode.
 	 */
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 51e880c8f19..2c53024ee43 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -724,11 +724,27 @@ static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable)
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
+static void mxcmci_init_card(struct mmc_host *host, struct mmc_card *card)
+{
+	/*
+	 * MX3 SoCs have a silicon bug which corrupts CRC calculation of
+	 * multi-block transfers when connected SDIO peripheral doesn't
+	 * drive the BUSY line as required by the specs.
+	 * One way to prevent this is to only allow 1-bit transfers.
+	 */
+
+	if (cpu_is_mx3() && card->type == MMC_TYPE_SDIO)
+		host->caps &= ~MMC_CAP_4_BIT_DATA;
+	else
+		host->caps |= MMC_CAP_4_BIT_DATA;
+}
+
 static const struct mmc_host_ops mxcmci_ops = {
 	.request		= mxcmci_request,
 	.set_ios		= mxcmci_set_ios,
 	.get_ro			= mxcmci_get_ro,
 	.enable_sdio_irq	= mxcmci_enable_sdio_irq,
+	.init_card		= mxcmci_init_card,
 };
 
 static int mxcmci_probe(struct platform_device *pdev)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 43eaf5ca584..3196c84cc63 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -108,6 +108,9 @@ struct mmc_host_ops {
 	int	(*get_cd)(struct mmc_host *host);
 
 	void	(*enable_sdio_irq)(struct mmc_host *host, int enable);
+
+	/* optional callback for HC quirks */
+	void	(*init_card)(struct mmc_host *host, struct mmc_card *card);
 };
 
 struct mmc_card;

From 28baf44299e0480d66ebb3093de5d51deff04e9f Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Wed, 14 Apr 2010 11:22:38 +0200
Subject: [PATCH 0448/3638] blkio: Fix compile errors

Fixes compile errors in blk-cgroup code for empty_time stat and a merge fix in
CFQ. The first error was when CONFIG_DEBUG_CFQ_IOSCHED is not set.

Signed-off-by: Divyesh Shah <dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c  | 54 ++++++++++++++++++++++-----------------------
 block/cfq-iosched.c |  2 +-
 2 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index aa97cd455ce..80c1261a7d3 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -219,6 +219,33 @@ void blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg)
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_avg_queue_size_stats);
 
+void blkiocg_set_start_empty_time(struct blkio_group *blkg, bool ignore)
+{
+	unsigned long flags;
+	struct blkio_group_stats *stats;
+
+	spin_lock_irqsave(&blkg->stats_lock, flags);
+	stats = &blkg->stats;
+
+	if (stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_READ] ||
+			stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_WRITE]) {
+		spin_unlock_irqrestore(&blkg->stats_lock, flags);
+		return;
+	}
+
+	/*
+	 * If ignore is set, we do not panic on the empty flag being set
+	 * already. This is to avoid cases where there are superfluous timeslice
+	 * complete events (for eg., forced_dispatch in CFQ) when no IOs are
+	 * served which could result in triggering the empty check incorrectly.
+	 */
+	BUG_ON(!ignore && blkio_blkg_empty(stats));
+	stats->start_empty_time = sched_clock();
+	blkio_mark_blkg_empty(stats);
+	spin_unlock_irqrestore(&blkg->stats_lock, flags);
+}
+EXPORT_SYMBOL_GPL(blkiocg_set_start_empty_time);
+
 void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 			unsigned long dequeue)
 {
@@ -268,33 +295,6 @@ void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_timeslice_used);
 
-void blkiocg_set_start_empty_time(struct blkio_group *blkg, bool ignore)
-{
-	unsigned long flags;
-	struct blkio_group_stats *stats;
-
-	spin_lock_irqsave(&blkg->stats_lock, flags);
-	stats = &blkg->stats;
-
-	if (stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_READ] ||
-			stats->stat_arr[BLKIO_STAT_QUEUED][BLKIO_STAT_WRITE]) {
-		spin_unlock_irqrestore(&blkg->stats_lock, flags);
-		return;
-	}
-
-	/*
-	 * If ignore is set, we do not panic on the empty flag being set
-	 * already. This is to avoid cases where there are superfluous timeslice
-	 * complete events (for eg., forced_dispatch in CFQ) when no IOs are
-	 * served which could result in triggering the empty check incorrectly.
-	 */
-	BUG_ON(!ignore && blkio_blkg_empty(stats));
-	stats->start_empty_time = sched_clock();
-	blkio_mark_blkg_empty(stats);
-	spin_unlock_irqrestore(&blkg->stats_lock, flags);
-}
-EXPORT_SYMBOL_GPL(blkiocg_set_start_empty_time);
-
 void blkiocg_update_dispatch_stats(struct blkio_group *blkg,
 				uint64_t bytes, bool direction, bool sync)
 {
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 9e0df2bdcf2..01771098355 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2231,7 +2231,7 @@ static int cfq_forced_dispatch(struct cfq_data *cfqd)
 	int dispatched = 0;
 
 	/* Expire the timeslice of the current active queue first */
-	cfq_slice_expired(cfqd, 0);
+	cfq_slice_expired(cfqd, 0, true);
 	while ((cfqq = cfq_get_next_queue_forced(cfqd)) != NULL) {
 		__cfq_set_active_queue(cfqd, cfqq);
 		dispatched += __cfq_forced_dispatch_cfqq(cfqq);

From 4f506e07e0a3dff34427cece255a8f390a78d5a0 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <apatard@mandriva.com>
Date: Thu, 25 Mar 2010 18:02:58 +0000
Subject: [PATCH 0449/3638] intel-iommu: Fix boot inside 64bit virtualbox with
 io-apic disabled

Commit 074835f0143b83845af5044af2739c52c9f53808 ("intel-iommu: Fix
kernel hand if interrupt remapping disabled in BIOS") is adding a check
for interrupt remapping disabled and is dereferencing the dmar_tbl
pointer without checking its value.

Unfortunately, this value is null when booting inside a 64bit virtual
box guest with io-apic disabled, leading to a crash. With a check on it,
the guest is now booting. It's triggering a WARN() in
clockevent_delta2ns but it's better than not booting at all and allows
the user to see there's something wrong on their io-apic setup.

Signed-off-by: Arnaud Patard <apatard@mandriva.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index edc5f002e05..7771b2dd597 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -1466,5 +1466,7 @@ int __init dmar_ir_support(void)
 {
 	struct acpi_table_dmar *dmar;
 	dmar = (struct acpi_table_dmar *)dmar_tbl;
+	if (!dmar)
+		return 0;
 	return dmar->flags & 0x1;
 }

From 1a0eae8848cde6e0734360f6456496c995ee1e23 Mon Sep 17 00:00:00 2001
From: Bob Peterson <rpeterso@redhat.com>
Date: Wed, 14 Apr 2010 11:58:16 -0400
Subject: [PATCH 0450/3638] GFS2: glock livelock

This patch fixes a couple gfs2 problems with the reclaiming of
unlinked dinodes.  First, there were a couple of livelocks where
everything would come to a halt waiting for a glock that was
seemingly held by a process that no longer existed.  In fact, the
process did exist, it just had the wrong pid number in the holder
information.  Second, there was a lock ordering problem between
inode locking and glock locking.  Third, glock/inode contention
could sometimes cause inodes to be improperly marked invalid by
iget_failed.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
---
 fs/gfs2/dir.c        |   2 +-
 fs/gfs2/export.c     |   2 +-
 fs/gfs2/glock.c      |   3 ++
 fs/gfs2/inode.c      | 101 +++++++++++++++++++++++++++++++++++++++----
 fs/gfs2/inode.h      |   5 ++-
 fs/gfs2/ops_fstype.c |   2 +-
 fs/gfs2/rgrp.c       |  58 ++++++++++++++++++-------
 7 files changed, 144 insertions(+), 29 deletions(-)

diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 25fddc100f1..8295c5b5d4a 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -1475,7 +1475,7 @@ struct inode *gfs2_dir_search(struct inode *dir, const struct qstr *name)
 		inode = gfs2_inode_lookup(dir->i_sb, 
 				be16_to_cpu(dent->de_type),
 				be64_to_cpu(dent->de_inum.no_addr),
-				be64_to_cpu(dent->de_inum.no_formal_ino), 0);
+				be64_to_cpu(dent->de_inum.no_formal_ino));
 		brelse(bh);
 		return inode;
 	}
diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index d15876e9aa2..d81bc7e90e9 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -169,7 +169,7 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb,
 	if (error)
 		goto fail;
 
-	inode = gfs2_inode_lookup(sb, DT_UNKNOWN, inum->no_addr, 0, 0);
+	inode = gfs2_inode_lookup(sb, DT_UNKNOWN, inum->no_addr, 0);
 	if (IS_ERR(inode)) {
 		error = PTR_ERR(inode);
 		goto fail;
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 454d4b4eb36..ddcdbf49353 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -855,6 +855,9 @@ void gfs2_holder_reinit(unsigned int state, unsigned flags, struct gfs2_holder *
 	gh->gh_flags = flags;
 	gh->gh_iflags = 0;
 	gh->gh_ip = (unsigned long)__builtin_return_address(0);
+	if (gh->gh_owner_pid)
+		put_pid(gh->gh_owner_pid);
+	gh->gh_owner_pid = get_pid(task_pid(current));
 }
 
 /**
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index b1bf2694fb2..51d8061fa07 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -158,7 +158,6 @@ void gfs2_set_iop(struct inode *inode)
  * @sb: The super block
  * @no_addr: The inode number
  * @type: The type of the inode
- * @skip_freeing: set this not return an inode if it is currently being freed.
  *
  * Returns: A VFS inode, or an error
  */
@@ -166,17 +165,14 @@ void gfs2_set_iop(struct inode *inode)
 struct inode *gfs2_inode_lookup(struct super_block *sb,
 				unsigned int type,
 				u64 no_addr,
-				u64 no_formal_ino, int skip_freeing)
+				u64 no_formal_ino)
 {
 	struct inode *inode;
 	struct gfs2_inode *ip;
 	struct gfs2_glock *io_gl;
 	int error;
 
-	if (skip_freeing)
-		inode = gfs2_iget_skip(sb, no_addr);
-	else
-		inode = gfs2_iget(sb, no_addr);
+	inode = gfs2_iget(sb, no_addr);
 	ip = GFS2_I(inode);
 
 	if (!inode)
@@ -233,12 +229,99 @@ fail_glock:
 	gfs2_glock_dq(&ip->i_iopen_gh);
 fail_iopen:
 	gfs2_glock_put(io_gl);
+fail_put:
+	if (inode->i_state & I_NEW)
+		ip->i_gl->gl_object = NULL;
+	gfs2_glock_put(ip->i_gl);
+fail:
+	if (inode->i_state & I_NEW)
+		iget_failed(inode);
+	else
+		iput(inode);
+	return ERR_PTR(error);
+}
+
+/**
+ * gfs2_unlinked_inode_lookup - Lookup an unlinked inode for reclamation
+ * @sb: The super block
+ * no_addr: The inode number
+ * @@inode: A pointer to the inode found, if any
+ *
+ * Returns: 0 and *inode if no errors occurred.  If an error occurs,
+ *          the resulting *inode may or may not be NULL.
+ */
+
+int gfs2_unlinked_inode_lookup(struct super_block *sb, u64 no_addr,
+			       struct inode **inode)
+{
+	struct gfs2_sbd *sdp;
+	struct gfs2_inode *ip;
+	struct gfs2_glock *io_gl;
+	int error;
+	struct gfs2_holder gh;
+
+	*inode = gfs2_iget_skip(sb, no_addr);
+
+	if (!(*inode))
+		return -ENOBUFS;
+
+	if (!((*inode)->i_state & I_NEW))
+		return -ENOBUFS;
+
+	ip = GFS2_I(*inode);
+	sdp = GFS2_SB(*inode);
+	ip->i_no_formal_ino = -1;
+
+	error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl);
+	if (unlikely(error))
+		goto fail;
+	ip->i_gl->gl_object = ip;
+
+	error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
+	if (unlikely(error))
+		goto fail_put;
+
+	set_bit(GIF_INVALID, &ip->i_flags);
+	error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, LM_FLAG_TRY | GL_EXACT,
+				   &ip->i_iopen_gh);
+	if (unlikely(error)) {
+		if (error == GLR_TRYFAILED)
+			error = 0;
+		goto fail_iopen;
+	}
+	ip->i_iopen_gh.gh_gl->gl_object = ip;
+	gfs2_glock_put(io_gl);
+
+	(*inode)->i_mode = DT2IF(DT_UNKNOWN);
+
+	/*
+	 * We must read the inode in order to work out its type in
+	 * this case. Note that this doesn't happen often as we normally
+	 * know the type beforehand. This code path only occurs during
+	 * unlinked inode recovery (where it is safe to do this glock,
+	 * which is not true in the general case).
+	 */
+	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, LM_FLAG_TRY,
+				   &gh);
+	if (unlikely(error)) {
+		if (error == GLR_TRYFAILED)
+			error = 0;
+		goto fail_glock;
+	}
+	/* Inode is now uptodate */
+	gfs2_glock_dq_uninit(&gh);
+	gfs2_set_iop(*inode);
+
+	return 0;
+fail_glock:
+	gfs2_glock_dq(&ip->i_iopen_gh);
+fail_iopen:
+	gfs2_glock_put(io_gl);
 fail_put:
 	ip->i_gl->gl_object = NULL;
 	gfs2_glock_put(ip->i_gl);
 fail:
-	iget_failed(inode);
-	return ERR_PTR(error);
+	return error;
 }
 
 static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
@@ -862,7 +945,7 @@ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
 		goto fail_gunlock2;
 
 	inode = gfs2_inode_lookup(dir->i_sb, IF2DT(mode), inum.no_addr,
-				  inum.no_formal_ino, 0);
+				  inum.no_formal_ino);
 	if (IS_ERR(inode))
 		goto fail_gunlock2;
 
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index c341aaf67ad..e161461d4c5 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -83,8 +83,9 @@ static inline void gfs2_inum_out(const struct gfs2_inode *ip,
 
 extern void gfs2_set_iop(struct inode *inode);
 extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, 
-				       u64 no_addr, u64 no_formal_ino,
-				       int skip_freeing);
+				       u64 no_addr, u64 no_formal_ino);
+extern int gfs2_unlinked_inode_lookup(struct super_block *sb, u64 no_addr,
+				      struct inode **inode);
 extern struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr);
 
 extern int gfs2_inode_refresh(struct gfs2_inode *ip);
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index c1309ed1c49..dc35f347027 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -487,7 +487,7 @@ static int gfs2_lookup_root(struct super_block *sb, struct dentry **dptr,
 	struct dentry *dentry;
 	struct inode *inode;
 
-	inode = gfs2_inode_lookup(sb, DT_DIR, no_addr, 0, 0);
+	inode = gfs2_inode_lookup(sb, DT_DIR, no_addr, 0);
 	if (IS_ERR(inode)) {
 		fs_err(sdp, "can't read in %s inode: %ld\n", name, PTR_ERR(inode));
 		return PTR_ERR(inode);
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 503b842f3ba..37391550284 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -948,18 +948,20 @@ static int try_rgrp_fit(struct gfs2_rgrpd *rgd, struct gfs2_alloc *al)
  * try_rgrp_unlink - Look for any unlinked, allocated, but unused inodes
  * @rgd: The rgrp
  *
- * Returns: The inode, if one has been found
+ * Returns: 0 if no error
+ *          The inode, if one has been found, in inode.
  */
 
-static struct inode *try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked,
-				     u64 skip)
+static int try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked,
+			   u64 skip, struct inode **inode)
 {
-	struct inode *inode;
 	u32 goal = 0, block;
 	u64 no_addr;
 	struct gfs2_sbd *sdp = rgd->rd_sbd;
 	unsigned int n;
+	int error = 0;
 
+	*inode = NULL;
 	for(;;) {
 		if (goal >= rgd->rd_data)
 			break;
@@ -979,14 +981,14 @@ static struct inode *try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked,
 		if (no_addr == skip)
 			continue;
 		*last_unlinked = no_addr;
-		inode = gfs2_inode_lookup(rgd->rd_sbd->sd_vfs, DT_UNKNOWN,
-					  no_addr, -1, 1);
-		if (!IS_ERR(inode))
-			return inode;
+		error = gfs2_unlinked_inode_lookup(rgd->rd_sbd->sd_vfs,
+						   no_addr, inode);
+		if (*inode || error)
+			return error;
 	}
 
 	rgd->rd_flags &= ~GFS2_RDF_CHECK;
-	return NULL;
+	return 0;
 }
 
 /**
@@ -1096,12 +1098,27 @@ static struct inode *get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked)
 		case 0:
 			if (try_rgrp_fit(rgd, al))
 				goto out;
-			if (rgd->rd_flags & GFS2_RDF_CHECK)
-				inode = try_rgrp_unlink(rgd, last_unlinked, ip->i_no_addr);
+			/* If the rg came in already locked, there's no
+			   way we can recover from a failed try_rgrp_unlink
+			   because that would require an iput which can only
+			   happen after the rgrp is unlocked. */
+			if (!rg_locked && rgd->rd_flags & GFS2_RDF_CHECK)
+				error = try_rgrp_unlink(rgd, last_unlinked,
+							ip->i_no_addr, &inode);
 			if (!rg_locked)
 				gfs2_glock_dq_uninit(&al->al_rgd_gh);
-			if (inode)
+			if (inode) {
+				if (error) {
+					if (inode->i_state & I_NEW)
+						iget_failed(inode);
+					else
+						iput(inode);
+					return ERR_PTR(error);
+				}
 				return inode;
+			}
+			if (error)
+				return ERR_PTR(error);
 			/* fall through */
 		case GLR_TRYFAILED:
 			rgd = recent_rgrp_next(rgd);
@@ -1130,12 +1147,23 @@ static struct inode *get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked)
 		case 0:
 			if (try_rgrp_fit(rgd, al))
 				goto out;
-			if (rgd->rd_flags & GFS2_RDF_CHECK)
-				inode = try_rgrp_unlink(rgd, last_unlinked, ip->i_no_addr);
+			if (!rg_locked && rgd->rd_flags & GFS2_RDF_CHECK)
+				error = try_rgrp_unlink(rgd, last_unlinked,
+							ip->i_no_addr, &inode);
 			if (!rg_locked)
 				gfs2_glock_dq_uninit(&al->al_rgd_gh);
-			if (inode)
+			if (inode) {
+				if (error) {
+					if (inode->i_state & I_NEW)
+						iget_failed(inode);
+					else
+						iput(inode);
+					return ERR_PTR(error);
+				}
 				return inode;
+			}
+			if (error)
+				return ERR_PTR(error);
 			break;
 
 		case GLR_TRYFAILED:

From 5c5e3b33b7cb959a401f823707bee006caadd76e Mon Sep 17 00:00:00 2001
From: Shiyong Li <shi-yong.li@motorola.com>
Date: Mon, 12 Apr 2010 13:48:21 +0800
Subject: [PATCH 0451/3638] slab: Fix missing DEBUG_SLAB last user

Even with SLAB_RED_ZONE and SLAB_STORE_USER enabled, kernel would NOT store
redzone and last user data around allocated memory space if "arch cache line >
sizeof(unsigned long long)". As a result, last user information is unexpectedly
MISSED while dumping slab corruption log.

This fix makes sure that redzone and last user tags get stored unless the
required alignment breaks redzone's.

Signed-off-by: Shiyong Li <shi-yong.li@motorola.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 mm/slab.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index bac0f4fcc21..525c6646646 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2220,8 +2220,8 @@ kmem_cache_create (const char *name, size_t size, size_t align,
 	if (ralign < align) {
 		ralign = align;
 	}
-	/* disable debug if necessary */
-	if (ralign > __alignof__(unsigned long long))
+	/* disable debug if not aligning with REDZONE_ALIGN */
+	if (ralign & (__alignof__(unsigned long long) - 1))
 		flags &= ~(SLAB_RED_ZONE | SLAB_STORE_USER);
 	/*
 	 * 4) Store it.
@@ -2247,8 +2247,8 @@ kmem_cache_create (const char *name, size_t size, size_t align,
 	 */
 	if (flags & SLAB_RED_ZONE) {
 		/* add space for red zone words */
-		cachep->obj_offset += sizeof(unsigned long long);
-		size += 2 * sizeof(unsigned long long);
+		cachep->obj_offset += align;
+		size += align + sizeof(unsigned long long);
 	}
 	if (flags & SLAB_STORE_USER) {
 		/* user store requires one word storage behind the end of

From c0d97e9ca2cfa66bdfd1ed8ecb5dcd230924d675 Mon Sep 17 00:00:00 2001
From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Wed, 14 Apr 2010 20:53:37 +0200
Subject: [PATCH 0452/3638] block: ensure jiffies wrap is handled correctly in
 blk_rq_timed_out_timer

blk_rq_timed_out_timer() relied on blk_add_timer() never returning a
timer value of zero, but commit 7838c15b8dd18e78a523513749e5b54bda07b0cb
removed the code that bumped this value when it was zero.
Therefore when jiffies is near wrap we could get unlucky & not set the
timeout value correctly.

This patch uses a flag to indicate that the timeout value was set and so
handles jiffies wrap correctly, and it keeps all the logic in one
function so should be easier to maintain in the future.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-timeout.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 1ba7e0aca87..4f0c06c7a33 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -109,6 +109,7 @@ void blk_rq_timed_out_timer(unsigned long data)
 	struct request_queue *q = (struct request_queue *) data;
 	unsigned long flags, next = 0;
 	struct request *rq, *tmp;
+	int next_set = 0;
 
 	spin_lock_irqsave(q->queue_lock, flags);
 
@@ -122,16 +123,13 @@ void blk_rq_timed_out_timer(unsigned long data)
 			if (blk_mark_rq_complete(rq))
 				continue;
 			blk_rq_timed_out(rq);
-		} else if (!next || time_after(next, rq->deadline))
+		} else if (!next_set || time_after(next, rq->deadline)) {
 			next = rq->deadline;
+			next_set = 1;
+		}
 	}
 
-	/*
-	 * next can never be 0 here with the list non-empty, since we always
-	 * bump ->deadline to 1 so we can detect if the timer was ever added
-	 * or not. See comment in blk_add_timer()
-	 */
-	if (next)
+	if (next_set)
 		mod_timer(&q->timeout, round_jiffies_up(next));
 
 	spin_unlock_irqrestore(q->queue_lock, flags);

From 8d318a50b3d72e3daf94131f91e1ab799a8d5ad4 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Tue, 30 Mar 2010 15:33:42 +0200
Subject: [PATCH 0453/3638] DMAENGINE: Support for ST-Ericssons DMA40 block v3

This is a straightforward driver for the ST-Ericsson DMA40 DMA
controller found in U8500, implemented akin to the existing
COH 901 318 driver.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidh Kasagar <srinidhi.kasagar@stericsson.com>
Cc: STEricsson_nomadik_linux@list.st.com
Cc: Alessandro Rubini <rubini@unipv.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 .../arm/plat-nomadik/include/plat/ste_dma40.h |  239 ++
 drivers/dma/Kconfig                           |    7 +
 drivers/dma/Makefile                          |    1 +
 drivers/dma/ste_dma40.c                       | 2596 +++++++++++++++++
 drivers/dma/ste_dma40_ll.c                    |  454 +++
 drivers/dma/ste_dma40_ll.h                    |  354 +++
 6 files changed, 3651 insertions(+)
 create mode 100644 arch/arm/plat-nomadik/include/plat/ste_dma40.h
 create mode 100644 drivers/dma/ste_dma40.c
 create mode 100644 drivers/dma/ste_dma40_ll.c
 create mode 100644 drivers/dma/ste_dma40_ll.h

diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
new file mode 100644
index 00000000000..4d12ea4ca36
--- /dev/null
+++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
@@ -0,0 +1,239 @@
+/*
+ * arch/arm/plat-nomadik/include/plat/ste_dma40.h
+ *
+ * Copyright (C) ST-Ericsson 2007-2010
+ * License terms: GNU General Public License (GPL) version 2
+ * Author: Per Friden <per.friden@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ */
+
+
+#ifndef STE_DMA40_H
+#define STE_DMA40_H
+
+#include <linux/dmaengine.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/dmaengine.h>
+
+/* dev types for memcpy */
+#define STEDMA40_DEV_DST_MEMORY (-1)
+#define	STEDMA40_DEV_SRC_MEMORY (-1)
+
+/*
+ * Description of bitfields of channel_type variable is available in
+ * the info structure.
+ */
+
+/* Priority */
+#define STEDMA40_INFO_PRIO_TYPE_POS 2
+#define STEDMA40_HIGH_PRIORITY_CHANNEL (0x1 << STEDMA40_INFO_PRIO_TYPE_POS)
+#define STEDMA40_LOW_PRIORITY_CHANNEL (0x2 << STEDMA40_INFO_PRIO_TYPE_POS)
+
+/* Mode  */
+#define STEDMA40_INFO_CH_MODE_TYPE_POS 6
+#define STEDMA40_CHANNEL_IN_PHY_MODE (0x1 << STEDMA40_INFO_CH_MODE_TYPE_POS)
+#define STEDMA40_CHANNEL_IN_LOG_MODE (0x2 << STEDMA40_INFO_CH_MODE_TYPE_POS)
+#define STEDMA40_CHANNEL_IN_OPER_MODE (0x3 << STEDMA40_INFO_CH_MODE_TYPE_POS)
+
+/* Mode options */
+#define STEDMA40_INFO_CH_MODE_OPT_POS 8
+#define STEDMA40_PCHAN_BASIC_MODE (0x1 << STEDMA40_INFO_CH_MODE_OPT_POS)
+#define STEDMA40_PCHAN_MODULO_MODE (0x2 << STEDMA40_INFO_CH_MODE_OPT_POS)
+#define STEDMA40_PCHAN_DOUBLE_DST_MODE (0x3 << STEDMA40_INFO_CH_MODE_OPT_POS)
+#define STEDMA40_LCHAN_SRC_PHY_DST_LOG (0x1 << STEDMA40_INFO_CH_MODE_OPT_POS)
+#define STEDMA40_LCHAN_SRC_LOG_DST_PHS (0x2 << STEDMA40_INFO_CH_MODE_OPT_POS)
+#define STEDMA40_LCHAN_SRC_LOG_DST_LOG (0x3 << STEDMA40_INFO_CH_MODE_OPT_POS)
+
+/* Interrupt */
+#define STEDMA40_INFO_TIM_POS 10
+#define STEDMA40_NO_TIM_FOR_LINK (0x0 << STEDMA40_INFO_TIM_POS)
+#define STEDMA40_TIM_FOR_LINK (0x1 << STEDMA40_INFO_TIM_POS)
+
+/* End of channel_type configuration */
+
+#define STEDMA40_ESIZE_8_BIT  0x0
+#define STEDMA40_ESIZE_16_BIT 0x1
+#define STEDMA40_ESIZE_32_BIT 0x2
+#define STEDMA40_ESIZE_64_BIT 0x3
+
+/* The value 4 indicates that PEN-reg shall be set to 0 */
+#define STEDMA40_PSIZE_PHY_1  0x4
+#define STEDMA40_PSIZE_PHY_2  0x0
+#define STEDMA40_PSIZE_PHY_4  0x1
+#define STEDMA40_PSIZE_PHY_8  0x2
+#define STEDMA40_PSIZE_PHY_16 0x3
+
+/*
+ * The number of elements differ in logical and
+ * physical mode
+ */
+#define STEDMA40_PSIZE_LOG_1  STEDMA40_PSIZE_PHY_2
+#define STEDMA40_PSIZE_LOG_4  STEDMA40_PSIZE_PHY_4
+#define STEDMA40_PSIZE_LOG_8  STEDMA40_PSIZE_PHY_8
+#define STEDMA40_PSIZE_LOG_16 STEDMA40_PSIZE_PHY_16
+
+enum stedma40_flow_ctrl {
+	STEDMA40_NO_FLOW_CTRL,
+	STEDMA40_FLOW_CTRL,
+};
+
+enum stedma40_endianess {
+	STEDMA40_LITTLE_ENDIAN,
+	STEDMA40_BIG_ENDIAN
+};
+
+enum stedma40_periph_data_width {
+	STEDMA40_BYTE_WIDTH = STEDMA40_ESIZE_8_BIT,
+	STEDMA40_HALFWORD_WIDTH = STEDMA40_ESIZE_16_BIT,
+	STEDMA40_WORD_WIDTH = STEDMA40_ESIZE_32_BIT,
+	STEDMA40_DOUBLEWORD_WIDTH = STEDMA40_ESIZE_64_BIT
+};
+
+struct stedma40_half_channel_info {
+	enum stedma40_endianess endianess;
+	enum stedma40_periph_data_width data_width;
+	int psize;
+	enum stedma40_flow_ctrl flow_ctrl;
+};
+
+enum stedma40_xfer_dir {
+	STEDMA40_MEM_TO_MEM,
+	STEDMA40_MEM_TO_PERIPH,
+	STEDMA40_PERIPH_TO_MEM,
+	STEDMA40_PERIPH_TO_PERIPH
+};
+
+
+/**
+ * struct stedma40_chan_cfg - Structure to be filled by client drivers.
+ *
+ * @dir: MEM 2 MEM, PERIPH 2 MEM , MEM 2 PERIPH, PERIPH 2 PERIPH
+ * @channel_type: priority, mode, mode options and interrupt configuration.
+ * @src_dev_type: Src device type
+ * @dst_dev_type: Dst device type
+ * @src_info: Parameters for dst half channel
+ * @dst_info: Parameters for dst half channel
+ * @pre_transfer_data: Data to be passed on to the pre_transfer() function.
+ * @pre_transfer: Callback used if needed before preparation of transfer.
+ * Only called if device is set. size of bytes to transfer
+ * (in case of multiple element transfer size is size of the first element).
+ *
+ *
+ * This structure has to be filled by the client drivers.
+ * It is recommended to do all dma configurations for clients in the machine.
+ *
+ */
+struct stedma40_chan_cfg {
+	enum stedma40_xfer_dir			 dir;
+	unsigned int				 channel_type;
+	int					 src_dev_type;
+	int					 dst_dev_type;
+	struct stedma40_half_channel_info	 src_info;
+	struct stedma40_half_channel_info	 dst_info;
+	void					*pre_transfer_data;
+	int (*pre_transfer)			(struct dma_chan *chan,
+						 void *data,
+						 int size);
+};
+
+/**
+ * struct stedma40_platform_data - Configuration struct for the dma device.
+ *
+ * @dev_len: length of dev_tx and dev_rx
+ * @dev_tx: mapping between destination event line and io address
+ * @dev_rx: mapping between source event line and io address
+ * @memcpy: list of memcpy event lines
+ * @memcpy_len: length of memcpy
+ * @memcpy_conf_phy: default configuration of physical channel memcpy
+ * @memcpy_conf_log: default configuration of logical channel memcpy
+ * @llis_per_log: number of max linked list items per logical channel
+ *
+ */
+struct stedma40_platform_data {
+	u32				 dev_len;
+	const dma_addr_t		*dev_tx;
+	const dma_addr_t		*dev_rx;
+	int				*memcpy;
+	u32				 memcpy_len;
+	struct stedma40_chan_cfg	*memcpy_conf_phy;
+	struct stedma40_chan_cfg	*memcpy_conf_log;
+	unsigned int			 llis_per_log;
+};
+
+/**
+ * setdma40_set_psize() - Used for changing the package size of an
+ * already configured dma channel.
+ *
+ * @chan: dmaengine handle
+ * @src_psize: new package side for src. (STEDMA40_PSIZE*)
+ * @src_psize: new package side for dst. (STEDMA40_PSIZE*)
+ *
+ * returns 0 on ok, otherwise negative error number.
+ */
+int stedma40_set_psize(struct dma_chan *chan,
+		       int src_psize,
+		       int dst_psize);
+
+/**
+ * stedma40_filter() - Provides stedma40_chan_cfg to the
+ * ste_dma40 dma driver via the dmaengine framework.
+ * does some checking of what's provided.
+ *
+ * Never directly called by client. It used by dmaengine.
+ * @chan: dmaengine handle.
+ * @data: Must be of type: struct stedma40_chan_cfg and is
+ * the configuration of the framework.
+ *
+ *
+ */
+
+bool stedma40_filter(struct dma_chan *chan, void *data);
+
+/**
+ * stedma40_memcpy_sg() - extension of the dma framework, memcpy to/from
+ * scattergatter lists.
+ *
+ * @chan: dmaengine handle
+ * @sgl_dst: Destination scatter list
+ * @sgl_src: Source scatter list
+ * @sgl_len: The length of each scatterlist. Both lists must be of equal length
+ * and each element must match the corresponding element in the other scatter
+ * list.
+ * @flags: is actually enum dma_ctrl_flags. See dmaengine.h
+ */
+
+struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan,
+						   struct scatterlist *sgl_dst,
+						   struct scatterlist *sgl_src,
+						   unsigned int sgl_len,
+						   unsigned long flags);
+
+/**
+ * stedma40_slave_mem() - Transfers a raw data buffer to or from a slave
+ * (=device)
+ *
+ * @chan: dmaengine handle
+ * @addr: source or destination physicall address.
+ * @size: bytes to transfer
+ * @direction: direction of transfer
+ * @flags: is actually enum dma_ctrl_flags. See dmaengine.h
+ */
+
+static inline struct
+dma_async_tx_descriptor *stedma40_slave_mem(struct dma_chan *chan,
+					    dma_addr_t addr,
+					    unsigned int size,
+					    enum dma_data_direction direction,
+					    unsigned long flags)
+{
+	struct scatterlist sg;
+	sg_init_table(&sg, 1);
+	sg.dma_address = addr;
+	sg.length = size;
+
+	return chan->device->device_prep_slave_sg(chan, &sg, 1,
+						  direction, flags);
+}
+
+#endif
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index a2fcb2ead89..1b8877922fb 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -141,6 +141,13 @@ config COH901318
 	help
 	  Enable support for ST-Ericsson COH 901 318 DMA.
 
+config STE_DMA40
+	bool "ST-Ericsson DMA40 support"
+	depends on ARCH_U8500
+	select DMA_ENGINE
+	help
+	  Support for ST-Ericsson DMA40 controller
+
 config AMCC_PPC440SPE_ADMA
 	tristate "AMCC PPC440SPe ADMA support"
 	depends on 440SPe || 440SP
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 40c627d8f73..20881426c1a 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_SH_DMAE) += shdma.o
 obj-$(CONFIG_COH901318) += coh901318.o coh901318_lli.o
 obj-$(CONFIG_AMCC_PPC440SPE_ADMA) += ppc4xx/
 obj-$(CONFIG_TIMB_DMA) += timb_dma.o
+obj-$(CONFIG_STE_DMA40) += ste_dma40.o ste_dma40_ll.o
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
new file mode 100644
index 00000000000..e4295a27672
--- /dev/null
+++ b/drivers/dma/ste_dma40.c
@@ -0,0 +1,2596 @@
+/*
+ * driver/dma/ste_dma40.c
+ *
+ * Copyright (C) ST-Ericsson 2007-2010
+ * License terms: GNU General Public License (GPL) version 2
+ * Author: Per Friden <per.friden@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/dmaengine.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+
+#include <plat/ste_dma40.h>
+
+#include "ste_dma40_ll.h"
+
+#define D40_NAME "dma40"
+
+#define D40_PHY_CHAN -1
+
+/* For masking out/in 2 bit channel positions */
+#define D40_CHAN_POS(chan)  (2 * (chan / 2))
+#define D40_CHAN_POS_MASK(chan) (0x3 << D40_CHAN_POS(chan))
+
+/* Maximum iterations taken before giving up suspending a channel */
+#define D40_SUSPEND_MAX_IT 500
+
+#define D40_ALLOC_FREE		(1 << 31)
+#define D40_ALLOC_PHY		(1 << 30)
+#define D40_ALLOC_LOG_FREE	0
+
+/* The number of free d40_desc to keep in memory before starting
+ * to kfree() them */
+#define D40_DESC_CACHE_SIZE 50
+
+/* Hardware designer of the block */
+#define D40_PERIPHID2_DESIGNER 0x8
+
+/**
+ * enum 40_command - The different commands and/or statuses.
+ *
+ * @D40_DMA_STOP: DMA channel command STOP or status STOPPED,
+ * @D40_DMA_RUN: The DMA channel is RUNNING of the command RUN.
+ * @D40_DMA_SUSPEND_REQ: Request the DMA to SUSPEND as soon as possible.
+ * @D40_DMA_SUSPENDED: The DMA channel is SUSPENDED.
+ */
+enum d40_command {
+	D40_DMA_STOP		= 0,
+	D40_DMA_RUN		= 1,
+	D40_DMA_SUSPEND_REQ	= 2,
+	D40_DMA_SUSPENDED	= 3
+};
+
+/**
+ * struct d40_lli_pool - Structure for keeping LLIs in memory
+ *
+ * @base: Pointer to memory area when the pre_alloc_lli's are not large
+ * enough, IE bigger than the most common case, 1 dst and 1 src. NULL if
+ * pre_alloc_lli is used.
+ * @size: The size in bytes of the memory at base or the size of pre_alloc_lli.
+ * @pre_alloc_lli: Pre allocated area for the most common case of transfers,
+ * one buffer to one buffer.
+ */
+struct d40_lli_pool {
+	void	*base;
+	int	size;
+	/* Space for dst and src, plus an extra for padding */
+	u8	pre_alloc_lli[3 * sizeof(struct d40_phy_lli)];
+};
+
+/**
+ * struct d40_desc - A descriptor is one DMA job.
+ *
+ * @lli_phy: LLI settings for physical channel. Both src and dst=
+ * points into the lli_pool, to base if lli_len > 1 or to pre_alloc_lli if
+ * lli_len equals one.
+ * @lli_log: Same as above but for logical channels.
+ * @lli_pool: The pool with two entries pre-allocated.
+ * @lli_len: Number of LLI's in lli_pool
+ * @lli_tcount: Number of LLIs processed in the transfer. When equals lli_len
+ * then this transfer job is done.
+ * @txd: DMA engine struct. Used for among other things for communication
+ * during a transfer.
+ * @node: List entry.
+ * @dir: The transfer direction of this job.
+ * @is_in_client_list: true if the client owns this descriptor.
+ *
+ * This descriptor is used for both logical and physical transfers.
+ */
+
+struct d40_desc {
+	/* LLI physical */
+	struct d40_phy_lli_bidir	 lli_phy;
+	/* LLI logical */
+	struct d40_log_lli_bidir	 lli_log;
+
+	struct d40_lli_pool		 lli_pool;
+	u32				 lli_len;
+	u32				 lli_tcount;
+
+	struct dma_async_tx_descriptor	 txd;
+	struct list_head		 node;
+
+	enum dma_data_direction		 dir;
+	bool				 is_in_client_list;
+};
+
+/**
+ * struct d40_lcla_pool - LCLA pool settings and data.
+ *
+ * @base: The virtual address of LCLA.
+ * @phy: Physical base address of LCLA.
+ * @base_size: size of lcla.
+ * @lock: Lock to protect the content in this struct.
+ * @alloc_map: Mapping between physical channel and LCLA entries.
+ * @num_blocks: The number of entries of alloc_map. Equals to the
+ * number of physical channels.
+ */
+struct d40_lcla_pool {
+	void		*base;
+	dma_addr_t	 phy;
+	resource_size_t  base_size;
+	spinlock_t	 lock;
+	u32		*alloc_map;
+	int		 num_blocks;
+};
+
+/**
+ * struct d40_phy_res - struct for handling eventlines mapped to physical
+ * channels.
+ *
+ * @lock: A lock protection this entity.
+ * @num: The physical channel number of this entity.
+ * @allocated_src: Bit mapped to show which src event line's are mapped to
+ * this physical channel. Can also be free or physically allocated.
+ * @allocated_dst: Same as for src but is dst.
+ * allocated_dst and allocated_src uses the D40_ALLOC* defines as well as
+ * event line number. Both allocated_src and allocated_dst can not be
+ * allocated to a physical channel, since the interrupt handler has then
+ * no way of figure out which one the interrupt belongs to.
+ */
+struct d40_phy_res {
+	spinlock_t lock;
+	int	   num;
+	u32	   allocated_src;
+	u32	   allocated_dst;
+};
+
+struct d40_base;
+
+/**
+ * struct d40_chan - Struct that describes a channel.
+ *
+ * @lock: A spinlock to protect this struct.
+ * @log_num: The logical number, if any of this channel.
+ * @completed: Starts with 1, after first interrupt it is set to dma engine's
+ * current cookie.
+ * @pending_tx: The number of pending transfers. Used between interrupt handler
+ * and tasklet.
+ * @busy: Set to true when transfer is ongoing on this channel.
+ * @phy_chan: Pointer to physical channel which this instance runs on.
+ * @chan: DMA engine handle.
+ * @tasklet: Tasklet that gets scheduled from interrupt context to complete a
+ * transfer and call client callback.
+ * @client: Cliented owned descriptor list.
+ * @active: Active descriptor.
+ * @queue: Queued jobs.
+ * @free: List of free descripts, ready to be reused.
+ * @free_len: Number of descriptors in the free list.
+ * @dma_cfg: The client configuration of this dma channel.
+ * @base: Pointer to the device instance struct.
+ * @src_def_cfg: Default cfg register setting for src.
+ * @dst_def_cfg: Default cfg register setting for dst.
+ * @log_def: Default logical channel settings.
+ * @lcla: Space for one dst src pair for logical channel transfers.
+ * @lcpa: Pointer to dst and src lcpa settings.
+ *
+ * This struct can either "be" a logical or a physical channel.
+ */
+struct d40_chan {
+	spinlock_t			 lock;
+	int				 log_num;
+	/* ID of the most recent completed transfer */
+	int				 completed;
+	int				 pending_tx;
+	bool				 busy;
+	struct d40_phy_res		*phy_chan;
+	struct dma_chan			 chan;
+	struct tasklet_struct		 tasklet;
+	struct list_head		 client;
+	struct list_head		 active;
+	struct list_head		 queue;
+	struct list_head		 free;
+	int				 free_len;
+	struct stedma40_chan_cfg	 dma_cfg;
+	struct d40_base			*base;
+	/* Default register configurations */
+	u32				 src_def_cfg;
+	u32				 dst_def_cfg;
+	struct d40_def_lcsp		 log_def;
+	struct d40_lcla_elem		 lcla;
+	struct d40_log_lli_full		*lcpa;
+};
+
+/**
+ * struct d40_base - The big global struct, one for each probe'd instance.
+ *
+ * @interrupt_lock: Lock used to make sure one interrupt is handle a time.
+ * @execmd_lock: Lock for execute command usage since several channels share
+ * the same physical register.
+ * @dev: The device structure.
+ * @virtbase: The virtual base address of the DMA's register.
+ * @clk: Pointer to the DMA clock structure.
+ * @phy_start: Physical memory start of the DMA registers.
+ * @phy_size: Size of the DMA register map.
+ * @irq: The IRQ number.
+ * @num_phy_chans: The number of physical channels. Read from HW. This
+ * is the number of available channels for this driver, not counting "Secure
+ * mode" allocated physical channels.
+ * @num_log_chans: The number of logical channels. Calculated from
+ * num_phy_chans.
+ * @dma_both: dma_device channels that can do both memcpy and slave transfers.
+ * @dma_slave: dma_device channels that can do only do slave transfers.
+ * @dma_memcpy: dma_device channels that can do only do memcpy transfers.
+ * @phy_chans: Room for all possible physical channels in system.
+ * @log_chans: Room for all possible logical channels in system.
+ * @lookup_log_chans: Used to map interrupt number to logical channel. Points
+ * to log_chans entries.
+ * @lookup_phy_chans: Used to map interrupt number to physical channel. Points
+ * to phy_chans entries.
+ * @plat_data: Pointer to provided platform_data which is the driver
+ * configuration.
+ * @phy_res: Vector containing all physical channels.
+ * @lcla_pool: lcla pool settings and data.
+ * @lcpa_base: The virtual mapped address of LCPA.
+ * @phy_lcpa: The physical address of the LCPA.
+ * @lcpa_size: The size of the LCPA area.
+ */
+struct d40_base {
+	spinlock_t			 interrupt_lock;
+	spinlock_t			 execmd_lock;
+	struct device			 *dev;
+	void __iomem			 *virtbase;
+	struct clk			 *clk;
+	phys_addr_t			  phy_start;
+	resource_size_t			  phy_size;
+	int				  irq;
+	int				  num_phy_chans;
+	int				  num_log_chans;
+	struct dma_device		  dma_both;
+	struct dma_device		  dma_slave;
+	struct dma_device		  dma_memcpy;
+	struct d40_chan			 *phy_chans;
+	struct d40_chan			 *log_chans;
+	struct d40_chan			**lookup_log_chans;
+	struct d40_chan			**lookup_phy_chans;
+	struct stedma40_platform_data	 *plat_data;
+	/* Physical half channels */
+	struct d40_phy_res		 *phy_res;
+	struct d40_lcla_pool		  lcla_pool;
+	void				 *lcpa_base;
+	dma_addr_t			  phy_lcpa;
+	resource_size_t			  lcpa_size;
+};
+
+/**
+ * struct d40_interrupt_lookup - lookup table for interrupt handler
+ *
+ * @src: Interrupt mask register.
+ * @clr: Interrupt clear register.
+ * @is_error: true if this is an error interrupt.
+ * @offset: start delta in the lookup_log_chans in d40_base. If equals to
+ * D40_PHY_CHAN, the lookup_phy_chans shall be used instead.
+ */
+struct d40_interrupt_lookup {
+	u32 src;
+	u32 clr;
+	bool is_error;
+	int offset;
+};
+
+/**
+ * struct d40_reg_val - simple lookup struct
+ *
+ * @reg: The register.
+ * @val: The value that belongs to the register in reg.
+ */
+struct d40_reg_val {
+	unsigned int reg;
+	unsigned int val;
+};
+
+static int d40_pool_lli_alloc(struct d40_desc *d40d,
+			      int lli_len, bool is_log)
+{
+	u32 align;
+	void *base;
+
+	if (is_log)
+		align = sizeof(struct d40_log_lli);
+	else
+		align = sizeof(struct d40_phy_lli);
+
+	if (lli_len == 1) {
+		base = d40d->lli_pool.pre_alloc_lli;
+		d40d->lli_pool.size = sizeof(d40d->lli_pool.pre_alloc_lli);
+		d40d->lli_pool.base = NULL;
+	} else {
+		d40d->lli_pool.size = ALIGN(lli_len * 2 * align, align);
+
+		base = kmalloc(d40d->lli_pool.size + align, GFP_NOWAIT);
+		d40d->lli_pool.base = base;
+
+		if (d40d->lli_pool.base == NULL)
+			return -ENOMEM;
+	}
+
+	if (is_log) {
+		d40d->lli_log.src = PTR_ALIGN((struct d40_log_lli *) base,
+					      align);
+		d40d->lli_log.dst = PTR_ALIGN(d40d->lli_log.src + lli_len,
+					      align);
+	} else {
+		d40d->lli_phy.src = PTR_ALIGN((struct d40_phy_lli *)base,
+					      align);
+		d40d->lli_phy.dst = PTR_ALIGN(d40d->lli_phy.src + lli_len,
+					      align);
+
+		d40d->lli_phy.src_addr = virt_to_phys(d40d->lli_phy.src);
+		d40d->lli_phy.dst_addr = virt_to_phys(d40d->lli_phy.dst);
+	}
+
+	return 0;
+}
+
+static void d40_pool_lli_free(struct d40_desc *d40d)
+{
+	kfree(d40d->lli_pool.base);
+	d40d->lli_pool.base = NULL;
+	d40d->lli_pool.size = 0;
+	d40d->lli_log.src = NULL;
+	d40d->lli_log.dst = NULL;
+	d40d->lli_phy.src = NULL;
+	d40d->lli_phy.dst = NULL;
+	d40d->lli_phy.src_addr = 0;
+	d40d->lli_phy.dst_addr = 0;
+}
+
+static dma_cookie_t d40_assign_cookie(struct d40_chan *d40c,
+				      struct d40_desc *desc)
+{
+	dma_cookie_t cookie = d40c->chan.cookie;
+
+	if (++cookie < 0)
+		cookie = 1;
+
+	d40c->chan.cookie = cookie;
+	desc->txd.cookie = cookie;
+
+	return cookie;
+}
+
+static void d40_desc_reset(struct d40_desc *d40d)
+{
+	d40d->lli_tcount = 0;
+}
+
+static void d40_desc_remove(struct d40_desc *d40d)
+{
+	list_del(&d40d->node);
+}
+
+static struct d40_desc *d40_desc_get(struct d40_chan *d40c)
+{
+	struct d40_desc *desc;
+	struct d40_desc *d;
+	struct d40_desc *_d;
+
+	if (!list_empty(&d40c->client)) {
+		list_for_each_entry_safe(d, _d, &d40c->client, node)
+			if (async_tx_test_ack(&d->txd)) {
+				d40_pool_lli_free(d);
+				d40_desc_remove(d);
+				desc = d;
+				goto out;
+			}
+	}
+
+	if (list_empty(&d40c->free)) {
+		/* Alloc new desc because we're out of used ones */
+		desc = kzalloc(sizeof(struct d40_desc), GFP_NOWAIT);
+		if (desc == NULL)
+			goto out;
+		INIT_LIST_HEAD(&desc->node);
+	} else {
+		/* Reuse an old desc. */
+		desc = list_first_entry(&d40c->free,
+					struct d40_desc,
+					node);
+		list_del(&desc->node);
+		d40c->free_len--;
+	}
+out:
+	return desc;
+}
+
+static void d40_desc_free(struct d40_chan *d40c, struct d40_desc *d40d)
+{
+	if (d40c->free_len < D40_DESC_CACHE_SIZE) {
+		list_add_tail(&d40d->node, &d40c->free);
+		d40c->free_len++;
+	} else
+		kfree(d40d);
+}
+
+static void d40_desc_submit(struct d40_chan *d40c, struct d40_desc *desc)
+{
+	list_add_tail(&desc->node, &d40c->active);
+}
+
+static struct d40_desc *d40_first_active_get(struct d40_chan *d40c)
+{
+	struct d40_desc *d;
+
+	if (list_empty(&d40c->active))
+		return NULL;
+
+	d = list_first_entry(&d40c->active,
+			     struct d40_desc,
+			     node);
+	return d;
+}
+
+static void d40_desc_queue(struct d40_chan *d40c, struct d40_desc *desc)
+{
+	list_add_tail(&desc->node, &d40c->queue);
+}
+
+static struct d40_desc *d40_first_queued(struct d40_chan *d40c)
+{
+	struct d40_desc *d;
+
+	if (list_empty(&d40c->queue))
+		return NULL;
+
+	d = list_first_entry(&d40c->queue,
+			     struct d40_desc,
+			     node);
+	return d;
+}
+
+/* Support functions for logical channels */
+
+static int d40_lcla_id_get(struct d40_chan *d40c,
+			   struct d40_lcla_pool *pool)
+{
+	int src_id = 0;
+	int dst_id = 0;
+	struct d40_log_lli *lcla_lidx_base =
+		pool->base + d40c->phy_chan->num * 1024;
+	int i;
+	int lli_per_log = d40c->base->plat_data->llis_per_log;
+
+	if (d40c->lcla.src_id >= 0 && d40c->lcla.dst_id >= 0)
+		return 0;
+
+	if (pool->num_blocks > 32)
+		return -EINVAL;
+
+	spin_lock(&pool->lock);
+
+	for (i = 0; i < pool->num_blocks; i++) {
+		if (!(pool->alloc_map[d40c->phy_chan->num] & (0x1 << i))) {
+			pool->alloc_map[d40c->phy_chan->num] |= (0x1 << i);
+			break;
+		}
+	}
+	src_id = i;
+	if (src_id >= pool->num_blocks)
+		goto err;
+
+	for (; i < pool->num_blocks; i++) {
+		if (!(pool->alloc_map[d40c->phy_chan->num] & (0x1 << i))) {
+			pool->alloc_map[d40c->phy_chan->num] |= (0x1 << i);
+			break;
+		}
+	}
+
+	dst_id = i;
+	if (dst_id == src_id)
+		goto err;
+
+	d40c->lcla.src_id = src_id;
+	d40c->lcla.dst_id = dst_id;
+	d40c->lcla.dst = lcla_lidx_base + dst_id * lli_per_log + 1;
+	d40c->lcla.src = lcla_lidx_base + src_id * lli_per_log + 1;
+
+
+	spin_unlock(&pool->lock);
+	return 0;
+err:
+	spin_unlock(&pool->lock);
+	return -EINVAL;
+}
+
+static void d40_lcla_id_put(struct d40_chan *d40c,
+			    struct d40_lcla_pool *pool,
+			    int id)
+{
+	if (id < 0)
+		return;
+
+	d40c->lcla.src_id = -1;
+	d40c->lcla.dst_id = -1;
+
+	spin_lock(&pool->lock);
+	pool->alloc_map[d40c->phy_chan->num] &= (~(0x1 << id));
+	spin_unlock(&pool->lock);
+}
+
+static int d40_channel_execute_command(struct d40_chan *d40c,
+				       enum d40_command command)
+{
+	int status, i;
+	void __iomem *active_reg;
+	int ret = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&d40c->base->execmd_lock, flags);
+
+	if (d40c->phy_chan->num % 2 == 0)
+		active_reg = d40c->base->virtbase + D40_DREG_ACTIVE;
+	else
+		active_reg = d40c->base->virtbase + D40_DREG_ACTIVO;
+
+	if (command == D40_DMA_SUSPEND_REQ) {
+		status = (readl(active_reg) &
+			  D40_CHAN_POS_MASK(d40c->phy_chan->num)) >>
+			D40_CHAN_POS(d40c->phy_chan->num);
+
+		if (status == D40_DMA_SUSPENDED || status == D40_DMA_STOP)
+			goto done;
+	}
+
+	writel(command << D40_CHAN_POS(d40c->phy_chan->num), active_reg);
+
+	if (command == D40_DMA_SUSPEND_REQ) {
+
+		for (i = 0 ; i < D40_SUSPEND_MAX_IT; i++) {
+			status = (readl(active_reg) &
+				  D40_CHAN_POS_MASK(d40c->phy_chan->num)) >>
+				D40_CHAN_POS(d40c->phy_chan->num);
+
+			cpu_relax();
+			/*
+			 * Reduce the number of bus accesses while
+			 * waiting for the DMA to suspend.
+			 */
+			udelay(3);
+
+			if (status == D40_DMA_STOP ||
+			    status == D40_DMA_SUSPENDED)
+				break;
+		}
+
+		if (i == D40_SUSPEND_MAX_IT) {
+			dev_err(&d40c->chan.dev->device,
+				"[%s]: unable to suspend the chl %d (log: %d) status %x\n",
+				__func__, d40c->phy_chan->num, d40c->log_num,
+				status);
+			dump_stack();
+			ret = -EBUSY;
+		}
+
+	}
+done:
+	spin_unlock_irqrestore(&d40c->base->execmd_lock, flags);
+	return ret;
+}
+
+static void d40_term_all(struct d40_chan *d40c)
+{
+	struct d40_desc *d40d;
+	struct d40_desc *d;
+	struct d40_desc *_d;
+
+	/* Release active descriptors */
+	while ((d40d = d40_first_active_get(d40c))) {
+		d40_desc_remove(d40d);
+
+		/* Return desc to free-list */
+		d40_desc_free(d40c, d40d);
+	}
+
+	/* Release queued descriptors waiting for transfer */
+	while ((d40d = d40_first_queued(d40c))) {
+		d40_desc_remove(d40d);
+
+		/* Return desc to free-list */
+		d40_desc_free(d40c, d40d);
+	}
+
+	/* Release client owned descriptors */
+	if (!list_empty(&d40c->client))
+		list_for_each_entry_safe(d, _d, &d40c->client, node) {
+			d40_pool_lli_free(d);
+			d40_desc_remove(d);
+			/* Return desc to free-list */
+			d40_desc_free(d40c, d40d);
+		}
+
+	d40_lcla_id_put(d40c, &d40c->base->lcla_pool,
+			d40c->lcla.src_id);
+	d40_lcla_id_put(d40c, &d40c->base->lcla_pool,
+			d40c->lcla.dst_id);
+
+	d40c->pending_tx = 0;
+	d40c->busy = false;
+}
+
+static void d40_config_set_event(struct d40_chan *d40c, bool do_enable)
+{
+	u32 val;
+	unsigned long flags;
+
+	if (do_enable)
+		val = D40_ACTIVATE_EVENTLINE;
+	else
+		val = D40_DEACTIVATE_EVENTLINE;
+
+	spin_lock_irqsave(&d40c->phy_chan->lock, flags);
+
+	/* Enable event line connected to device (or memcpy) */
+	if ((d40c->dma_cfg.dir ==  STEDMA40_PERIPH_TO_MEM) ||
+	    (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH)) {
+		u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type);
+
+		writel((val << D40_EVENTLINE_POS(event)) |
+		       ~D40_EVENTLINE_MASK(event),
+		       d40c->base->virtbase + D40_DREG_PCBASE +
+		       d40c->phy_chan->num * D40_DREG_PCDELTA +
+		       D40_CHAN_REG_SSLNK);
+	}
+	if (d40c->dma_cfg.dir !=  STEDMA40_PERIPH_TO_MEM) {
+		u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type);
+
+		writel((val << D40_EVENTLINE_POS(event)) |
+		       ~D40_EVENTLINE_MASK(event),
+		       d40c->base->virtbase + D40_DREG_PCBASE +
+		       d40c->phy_chan->num * D40_DREG_PCDELTA +
+		       D40_CHAN_REG_SDLNK);
+	}
+
+	spin_unlock_irqrestore(&d40c->phy_chan->lock, flags);
+}
+
+static bool d40_chan_has_events(struct d40_chan *d40c)
+{
+	u32 val = 0;
+
+	/* If SSLNK or SDLNK is zero all events are disabled */
+	if ((d40c->dma_cfg.dir ==  STEDMA40_PERIPH_TO_MEM) ||
+	    (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH))
+		val = readl(d40c->base->virtbase + D40_DREG_PCBASE +
+			    d40c->phy_chan->num * D40_DREG_PCDELTA +
+			    D40_CHAN_REG_SSLNK);
+
+	if (d40c->dma_cfg.dir !=  STEDMA40_PERIPH_TO_MEM)
+		val = readl(d40c->base->virtbase + D40_DREG_PCBASE +
+			    d40c->phy_chan->num * D40_DREG_PCDELTA +
+			    D40_CHAN_REG_SDLNK);
+	return (bool) val;
+}
+
+static void d40_config_enable_lidx(struct d40_chan *d40c)
+{
+	/* Set LIDX for lcla */
+	writel((d40c->phy_chan->num << D40_SREG_ELEM_LOG_LIDX_POS) &
+	       D40_SREG_ELEM_LOG_LIDX_MASK,
+	       d40c->base->virtbase + D40_DREG_PCBASE +
+	       d40c->phy_chan->num * D40_DREG_PCDELTA + D40_CHAN_REG_SDELT);
+
+	writel((d40c->phy_chan->num << D40_SREG_ELEM_LOG_LIDX_POS) &
+	       D40_SREG_ELEM_LOG_LIDX_MASK,
+	       d40c->base->virtbase + D40_DREG_PCBASE +
+	       d40c->phy_chan->num * D40_DREG_PCDELTA + D40_CHAN_REG_SSELT);
+}
+
+static int d40_config_write(struct d40_chan *d40c)
+{
+	u32 addr_base;
+	u32 var;
+	int res;
+
+	res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
+	if (res)
+		return res;
+
+	/* Odd addresses are even addresses + 4 */
+	addr_base = (d40c->phy_chan->num % 2) * 4;
+	/* Setup channel mode to logical or physical */
+	var = ((u32)(d40c->log_num != D40_PHY_CHAN) + 1) <<
+		D40_CHAN_POS(d40c->phy_chan->num);
+	writel(var, d40c->base->virtbase + D40_DREG_PRMSE + addr_base);
+
+	/* Setup operational mode option register */
+	var = ((d40c->dma_cfg.channel_type >> STEDMA40_INFO_CH_MODE_OPT_POS) &
+	       0x3) << D40_CHAN_POS(d40c->phy_chan->num);
+
+	writel(var, d40c->base->virtbase + D40_DREG_PRMOE + addr_base);
+
+	if (d40c->log_num != D40_PHY_CHAN) {
+		/* Set default config for CFG reg */
+		writel(d40c->src_def_cfg,
+		       d40c->base->virtbase + D40_DREG_PCBASE +
+		       d40c->phy_chan->num * D40_DREG_PCDELTA +
+		       D40_CHAN_REG_SSCFG);
+		writel(d40c->dst_def_cfg,
+		       d40c->base->virtbase + D40_DREG_PCBASE +
+		       d40c->phy_chan->num * D40_DREG_PCDELTA +
+		       D40_CHAN_REG_SDCFG);
+
+		d40_config_enable_lidx(d40c);
+	}
+	return res;
+}
+
+static void d40_desc_load(struct d40_chan *d40c, struct d40_desc *d40d)
+{
+
+	if (d40d->lli_phy.dst && d40d->lli_phy.src) {
+		d40_phy_lli_write(d40c->base->virtbase,
+				  d40c->phy_chan->num,
+				  d40d->lli_phy.dst,
+				  d40d->lli_phy.src);
+		d40d->lli_tcount = d40d->lli_len;
+	} else if (d40d->lli_log.dst && d40d->lli_log.src) {
+		u32 lli_len;
+		struct d40_log_lli *src = d40d->lli_log.src;
+		struct d40_log_lli *dst = d40d->lli_log.dst;
+
+		src += d40d->lli_tcount;
+		dst += d40d->lli_tcount;
+
+		if (d40d->lli_len <= d40c->base->plat_data->llis_per_log)
+			lli_len = d40d->lli_len;
+		else
+			lli_len = d40c->base->plat_data->llis_per_log;
+		d40d->lli_tcount += lli_len;
+		d40_log_lli_write(d40c->lcpa, d40c->lcla.src,
+				  d40c->lcla.dst,
+				  dst, src,
+				  d40c->base->plat_data->llis_per_log);
+	}
+}
+
+static dma_cookie_t d40_tx_submit(struct dma_async_tx_descriptor *tx)
+{
+	struct d40_chan *d40c = container_of(tx->chan,
+					     struct d40_chan,
+					     chan);
+	struct d40_desc *d40d = container_of(tx, struct d40_desc, txd);
+	unsigned long flags;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	tx->cookie = d40_assign_cookie(d40c, d40d);
+
+	d40_desc_queue(d40c, d40d);
+
+	spin_unlock_irqrestore(&d40c->lock, flags);
+
+	return tx->cookie;
+}
+
+static int d40_start(struct d40_chan *d40c)
+{
+	int err;
+
+	if (d40c->log_num != D40_PHY_CHAN) {
+		err = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
+		if (err)
+			return err;
+		d40_config_set_event(d40c, true);
+	}
+
+	err = d40_channel_execute_command(d40c, D40_DMA_RUN);
+
+	return err;
+}
+
+static struct d40_desc *d40_queue_start(struct d40_chan *d40c)
+{
+	struct d40_desc *d40d;
+	int err;
+
+	/* Start queued jobs, if any */
+	d40d = d40_first_queued(d40c);
+
+	if (d40d != NULL) {
+		d40c->busy = true;
+
+		/* Remove from queue */
+		d40_desc_remove(d40d);
+
+		/* Add to active queue */
+		d40_desc_submit(d40c, d40d);
+
+		/* Initiate DMA job */
+		d40_desc_load(d40c, d40d);
+
+		/* Start dma job */
+		err = d40_start(d40c);
+
+		if (err)
+			return NULL;
+	}
+
+	return d40d;
+}
+
+/* called from interrupt context */
+static void dma_tc_handle(struct d40_chan *d40c)
+{
+	struct d40_desc *d40d;
+
+	if (!d40c->phy_chan)
+		return;
+
+	/* Get first active entry from list */
+	d40d = d40_first_active_get(d40c);
+
+	if (d40d == NULL)
+		return;
+
+	if (d40d->lli_tcount < d40d->lli_len) {
+
+		d40_desc_load(d40c, d40d);
+		/* Start dma job */
+		(void) d40_start(d40c);
+		return;
+	}
+
+	if (d40_queue_start(d40c) == NULL)
+		d40c->busy = false;
+
+	d40c->pending_tx++;
+	tasklet_schedule(&d40c->tasklet);
+
+}
+
+static void dma_tasklet(unsigned long data)
+{
+	struct d40_chan *d40c = (struct d40_chan *) data;
+	struct d40_desc *d40d_fin;
+	unsigned long flags;
+	dma_async_tx_callback callback;
+	void *callback_param;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	/* Get first active entry from list */
+	d40d_fin = d40_first_active_get(d40c);
+
+	if (d40d_fin == NULL)
+		goto err;
+
+	d40c->completed = d40d_fin->txd.cookie;
+
+	/*
+	 * If terminating a channel pending_tx is set to zero.
+	 * This prevents any finished active jobs to return to the client.
+	 */
+	if (d40c->pending_tx == 0) {
+		spin_unlock_irqrestore(&d40c->lock, flags);
+		return;
+	}
+
+	/* Callback to client */
+	callback = d40d_fin->txd.callback;
+	callback_param = d40d_fin->txd.callback_param;
+
+	if (async_tx_test_ack(&d40d_fin->txd)) {
+		d40_pool_lli_free(d40d_fin);
+		d40_desc_remove(d40d_fin);
+		/* Return desc to free-list */
+		d40_desc_free(d40c, d40d_fin);
+	} else {
+		d40_desc_reset(d40d_fin);
+		if (!d40d_fin->is_in_client_list) {
+			d40_desc_remove(d40d_fin);
+			list_add_tail(&d40d_fin->node, &d40c->client);
+			d40d_fin->is_in_client_list = true;
+		}
+	}
+
+	d40c->pending_tx--;
+
+	if (d40c->pending_tx)
+		tasklet_schedule(&d40c->tasklet);
+
+	spin_unlock_irqrestore(&d40c->lock, flags);
+
+	if (callback)
+		callback(callback_param);
+
+	return;
+
+ err:
+	/* Rescue manouver if receiving double interrupts */
+	if (d40c->pending_tx > 0)
+		d40c->pending_tx--;
+	spin_unlock_irqrestore(&d40c->lock, flags);
+}
+
+static irqreturn_t d40_handle_interrupt(int irq, void *data)
+{
+	static const struct d40_interrupt_lookup il[] = {
+		{D40_DREG_LCTIS0, D40_DREG_LCICR0, false,  0},
+		{D40_DREG_LCTIS1, D40_DREG_LCICR1, false, 32},
+		{D40_DREG_LCTIS2, D40_DREG_LCICR2, false, 64},
+		{D40_DREG_LCTIS3, D40_DREG_LCICR3, false, 96},
+		{D40_DREG_LCEIS0, D40_DREG_LCICR0, true,   0},
+		{D40_DREG_LCEIS1, D40_DREG_LCICR1, true,  32},
+		{D40_DREG_LCEIS2, D40_DREG_LCICR2, true,  64},
+		{D40_DREG_LCEIS3, D40_DREG_LCICR3, true,  96},
+		{D40_DREG_PCTIS,  D40_DREG_PCICR,  false, D40_PHY_CHAN},
+		{D40_DREG_PCEIS,  D40_DREG_PCICR,  true,  D40_PHY_CHAN},
+	};
+
+	int i;
+	u32 regs[ARRAY_SIZE(il)];
+	u32 tmp;
+	u32 idx;
+	u32 row;
+	long chan = -1;
+	struct d40_chan *d40c;
+	unsigned long flags;
+	struct d40_base *base = data;
+
+	spin_lock_irqsave(&base->interrupt_lock, flags);
+
+	/* Read interrupt status of both logical and physical channels */
+	for (i = 0; i < ARRAY_SIZE(il); i++)
+		regs[i] = readl(base->virtbase + il[i].src);
+
+	for (;;) {
+
+		chan = find_next_bit((unsigned long *)regs,
+				     BITS_PER_LONG * ARRAY_SIZE(il), chan + 1);
+
+		/* No more set bits found? */
+		if (chan == BITS_PER_LONG * ARRAY_SIZE(il))
+			break;
+
+		row = chan / BITS_PER_LONG;
+		idx = chan & (BITS_PER_LONG - 1);
+
+		/* ACK interrupt */
+		tmp = readl(base->virtbase + il[row].clr);
+		tmp |= 1 << idx;
+		writel(tmp, base->virtbase + il[row].clr);
+
+		if (il[row].offset == D40_PHY_CHAN)
+			d40c = base->lookup_phy_chans[idx];
+		else
+			d40c = base->lookup_log_chans[il[row].offset + idx];
+		spin_lock(&d40c->lock);
+
+		if (!il[row].is_error)
+			dma_tc_handle(d40c);
+		else
+			dev_err(base->dev, "[%s] IRQ chan: %ld offset %d idx %d\n",
+				__func__, chan, il[row].offset, idx);
+
+		spin_unlock(&d40c->lock);
+	}
+
+	spin_unlock_irqrestore(&base->interrupt_lock, flags);
+
+	return IRQ_HANDLED;
+}
+
+
+static int d40_validate_conf(struct d40_chan *d40c,
+			     struct stedma40_chan_cfg *conf)
+{
+	int res = 0;
+	u32 dst_event_group = D40_TYPE_TO_GROUP(conf->dst_dev_type);
+	u32 src_event_group = D40_TYPE_TO_GROUP(conf->src_dev_type);
+	bool is_log = (conf->channel_type & STEDMA40_CHANNEL_IN_OPER_MODE)
+		== STEDMA40_CHANNEL_IN_LOG_MODE;
+
+	if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH &&
+	    dst_event_group == STEDMA40_DEV_DST_MEMORY) {
+		dev_err(&d40c->chan.dev->device, "[%s] Invalid dst\n",
+			__func__);
+		res = -EINVAL;
+	}
+
+	if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM &&
+	    src_event_group == STEDMA40_DEV_SRC_MEMORY) {
+		dev_err(&d40c->chan.dev->device, "[%s] Invalid src\n",
+			__func__);
+		res = -EINVAL;
+	}
+
+	if (src_event_group == STEDMA40_DEV_SRC_MEMORY &&
+	    dst_event_group == STEDMA40_DEV_DST_MEMORY && is_log) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] No event line\n", __func__);
+		res = -EINVAL;
+	}
+
+	if (conf->dir == STEDMA40_PERIPH_TO_PERIPH &&
+	    (src_event_group != dst_event_group)) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Invalid event group\n", __func__);
+		res = -EINVAL;
+	}
+
+	if (conf->dir == STEDMA40_PERIPH_TO_PERIPH) {
+		/*
+		 * DMAC HW supports it. Will be added to this driver,
+		 * in case any dma client requires it.
+		 */
+		dev_err(&d40c->chan.dev->device,
+			"[%s] periph to periph not supported\n",
+			__func__);
+		res = -EINVAL;
+	}
+
+	return res;
+}
+
+static bool d40_alloc_mask_set(struct d40_phy_res *phy, bool is_src,
+			       int log_event_line)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&phy->lock, flags);
+	if (!log_event_line) {
+		/* Physical interrupts are masked per physical full channel */
+		if (phy->allocated_src == D40_ALLOC_FREE &&
+		    phy->allocated_dst == D40_ALLOC_FREE) {
+			phy->allocated_dst = D40_ALLOC_PHY;
+			phy->allocated_src = D40_ALLOC_PHY;
+			goto found;
+		} else
+			goto not_found;
+	}
+
+	/* Logical channel */
+	if (is_src) {
+		if (phy->allocated_src == D40_ALLOC_PHY)
+			goto not_found;
+
+		if (phy->allocated_src == D40_ALLOC_FREE)
+			phy->allocated_src = D40_ALLOC_LOG_FREE;
+
+		if (!(phy->allocated_src & (1 << log_event_line))) {
+			phy->allocated_src |= 1 << log_event_line;
+			goto found;
+		} else
+			goto not_found;
+	} else {
+		if (phy->allocated_dst == D40_ALLOC_PHY)
+			goto not_found;
+
+		if (phy->allocated_dst == D40_ALLOC_FREE)
+			phy->allocated_dst = D40_ALLOC_LOG_FREE;
+
+		if (!(phy->allocated_dst & (1 << log_event_line))) {
+			phy->allocated_dst |= 1 << log_event_line;
+			goto found;
+		} else
+			goto not_found;
+	}
+
+not_found:
+	spin_unlock_irqrestore(&phy->lock, flags);
+	return false;
+found:
+	spin_unlock_irqrestore(&phy->lock, flags);
+	return true;
+}
+
+static bool d40_alloc_mask_free(struct d40_phy_res *phy, bool is_src,
+			       int log_event_line)
+{
+	unsigned long flags;
+	bool is_free = false;
+
+	spin_lock_irqsave(&phy->lock, flags);
+	if (!log_event_line) {
+		/* Physical interrupts are masked per physical full channel */
+		phy->allocated_dst = D40_ALLOC_FREE;
+		phy->allocated_src = D40_ALLOC_FREE;
+		is_free = true;
+		goto out;
+	}
+
+	/* Logical channel */
+	if (is_src) {
+		phy->allocated_src &= ~(1 << log_event_line);
+		if (phy->allocated_src == D40_ALLOC_LOG_FREE)
+			phy->allocated_src = D40_ALLOC_FREE;
+	} else {
+		phy->allocated_dst &= ~(1 << log_event_line);
+		if (phy->allocated_dst == D40_ALLOC_LOG_FREE)
+			phy->allocated_dst = D40_ALLOC_FREE;
+	}
+
+	is_free = ((phy->allocated_src | phy->allocated_dst) ==
+		   D40_ALLOC_FREE);
+
+out:
+	spin_unlock_irqrestore(&phy->lock, flags);
+
+	return is_free;
+}
+
+static int d40_allocate_channel(struct d40_chan *d40c)
+{
+	int dev_type;
+	int event_group;
+	int event_line;
+	struct d40_phy_res *phys;
+	int i;
+	int j;
+	int log_num;
+	bool is_src;
+	bool is_log = (d40c->dma_cfg.channel_type & STEDMA40_CHANNEL_IN_OPER_MODE)
+		== STEDMA40_CHANNEL_IN_LOG_MODE;
+
+
+	phys = d40c->base->phy_res;
+
+	if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) {
+		dev_type = d40c->dma_cfg.src_dev_type;
+		log_num = 2 * dev_type;
+		is_src = true;
+	} else if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
+		   d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
+		/* dst event lines are used for logical memcpy */
+		dev_type = d40c->dma_cfg.dst_dev_type;
+		log_num = 2 * dev_type + 1;
+		is_src = false;
+	} else
+		return -EINVAL;
+
+	event_group = D40_TYPE_TO_GROUP(dev_type);
+	event_line = D40_TYPE_TO_EVENT(dev_type);
+
+	if (!is_log) {
+		if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
+			/* Find physical half channel */
+			for (i = 0; i < d40c->base->num_phy_chans; i++) {
+
+				if (d40_alloc_mask_set(&phys[i], is_src, 0))
+					goto found_phy;
+			}
+		} else
+			for (j = 0; j < d40c->base->num_phy_chans; j += 8) {
+				int phy_num = j  + event_group * 2;
+				for (i = phy_num; i < phy_num + 2; i++) {
+					if (d40_alloc_mask_set(&phys[i],
+							       is_src, 0))
+						goto found_phy;
+				}
+			}
+		return -EINVAL;
+found_phy:
+		d40c->phy_chan = &phys[i];
+		d40c->log_num = D40_PHY_CHAN;
+		goto out;
+	}
+	if (dev_type == -1)
+		return -EINVAL;
+
+	/* Find logical channel */
+	for (j = 0; j < d40c->base->num_phy_chans; j += 8) {
+		int phy_num = j + event_group * 2;
+		/*
+		 * Spread logical channels across all available physical rather
+		 * than pack every logical channel at the first available phy
+		 * channels.
+		 */
+		if (is_src) {
+			for (i = phy_num; i < phy_num + 2; i++) {
+				if (d40_alloc_mask_set(&phys[i], is_src,
+						       event_line))
+					goto found_log;
+			}
+		} else {
+			for (i = phy_num + 1; i >= phy_num; i--) {
+				if (d40_alloc_mask_set(&phys[i], is_src,
+						       event_line))
+					goto found_log;
+			}
+		}
+	}
+	return -EINVAL;
+
+found_log:
+	d40c->phy_chan = &phys[i];
+	d40c->log_num = log_num;
+out:
+
+	if (is_log)
+		d40c->base->lookup_log_chans[d40c->log_num] = d40c;
+	else
+		d40c->base->lookup_phy_chans[d40c->phy_chan->num] = d40c;
+
+	return 0;
+
+}
+
+static int d40_config_chan(struct d40_chan *d40c,
+			   struct stedma40_chan_cfg *info)
+{
+
+	/* Fill in basic CFG register values */
+	d40_phy_cfg(&d40c->dma_cfg, &d40c->src_def_cfg,
+		    &d40c->dst_def_cfg, d40c->log_num != D40_PHY_CHAN);
+
+	if (d40c->log_num != D40_PHY_CHAN) {
+		d40_log_cfg(&d40c->dma_cfg,
+			    &d40c->log_def.lcsp1, &d40c->log_def.lcsp3);
+
+		if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM)
+			d40c->lcpa = d40c->base->lcpa_base +
+				d40c->dma_cfg.src_dev_type * 32;
+		else
+			d40c->lcpa = d40c->base->lcpa_base +
+				d40c->dma_cfg.dst_dev_type * 32 + 16;
+	}
+
+	/* Write channel configuration to the DMA */
+	return d40_config_write(d40c);
+}
+
+static int d40_config_memcpy(struct d40_chan *d40c)
+{
+	dma_cap_mask_t cap = d40c->chan.device->cap_mask;
+
+	if (dma_has_cap(DMA_MEMCPY, cap) && !dma_has_cap(DMA_SLAVE, cap)) {
+		d40c->dma_cfg = *d40c->base->plat_data->memcpy_conf_log;
+		d40c->dma_cfg.src_dev_type = STEDMA40_DEV_SRC_MEMORY;
+		d40c->dma_cfg.dst_dev_type = d40c->base->plat_data->
+			memcpy[d40c->chan.chan_id];
+
+	} else if (dma_has_cap(DMA_MEMCPY, cap) &&
+		   dma_has_cap(DMA_SLAVE, cap)) {
+		d40c->dma_cfg = *d40c->base->plat_data->memcpy_conf_phy;
+	} else {
+		dev_err(&d40c->chan.dev->device, "[%s] No memcpy\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+
+static int d40_free_dma(struct d40_chan *d40c)
+{
+
+	int res = 0;
+	u32 event, dir;
+	struct d40_phy_res *phy = d40c->phy_chan;
+	bool is_src;
+
+	/* Terminate all queued and active transfers */
+	d40_term_all(d40c);
+
+	if (phy == NULL) {
+		dev_err(&d40c->chan.dev->device, "[%s] phy == null\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	if (phy->allocated_src == D40_ALLOC_FREE &&
+	    phy->allocated_dst == D40_ALLOC_FREE) {
+		dev_err(&d40c->chan.dev->device, "[%s] channel already free\n",
+			__func__);
+		return -EINVAL;
+	}
+
+
+	res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
+	if (res) {
+		dev_err(&d40c->chan.dev->device, "[%s] suspend\n",
+			__func__);
+		return res;
+	}
+
+	if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
+	    d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
+		event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type);
+		dir = D40_CHAN_REG_SDLNK;
+		is_src = false;
+	} else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) {
+		event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type);
+		dir = D40_CHAN_REG_SSLNK;
+		is_src = true;
+	} else {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Unknown direction\n", __func__);
+		return -EINVAL;
+	}
+
+	if (d40c->log_num != D40_PHY_CHAN) {
+		/*
+		 * Release logical channel, deactivate the event line during
+		 * the time physical res is suspended.
+		 */
+		writel((D40_DEACTIVATE_EVENTLINE << D40_EVENTLINE_POS(event)) &
+		       D40_EVENTLINE_MASK(event),
+		       d40c->base->virtbase + D40_DREG_PCBASE +
+		       phy->num * D40_DREG_PCDELTA + dir);
+
+		d40c->base->lookup_log_chans[d40c->log_num] = NULL;
+
+		/*
+		 * Check if there are more logical allocation
+		 * on this phy channel.
+		 */
+		if (!d40_alloc_mask_free(phy, is_src, event)) {
+			/* Resume the other logical channels if any */
+			if (d40_chan_has_events(d40c)) {
+				res = d40_channel_execute_command(d40c,
+								  D40_DMA_RUN);
+				if (res) {
+					dev_err(&d40c->chan.dev->device,
+						"[%s] Executing RUN command\n",
+						__func__);
+					return res;
+				}
+			}
+			return 0;
+		}
+	} else
+		d40_alloc_mask_free(phy, is_src, 0);
+
+	/* Release physical channel */
+	res = d40_channel_execute_command(d40c, D40_DMA_STOP);
+	if (res) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Failed to stop channel\n", __func__);
+		return res;
+	}
+	d40c->phy_chan = NULL;
+	/* Invalidate channel type */
+	d40c->dma_cfg.channel_type = 0;
+	d40c->base->lookup_phy_chans[phy->num] = NULL;
+
+	return 0;
+
+
+}
+
+static int d40_pause(struct dma_chan *chan)
+{
+	struct d40_chan *d40c =
+		container_of(chan, struct d40_chan, chan);
+	int res;
+
+	unsigned long flags;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
+	if (res == 0) {
+		if (d40c->log_num != D40_PHY_CHAN) {
+			d40_config_set_event(d40c, false);
+			/* Resume the other logical channels if any */
+			if (d40_chan_has_events(d40c))
+				res = d40_channel_execute_command(d40c,
+								  D40_DMA_RUN);
+		}
+	}
+
+	spin_unlock_irqrestore(&d40c->lock, flags);
+	return res;
+}
+
+static bool d40_tx_is_linked(struct d40_chan *d40c)
+{
+	bool is_link;
+
+	if (d40c->log_num != D40_PHY_CHAN)
+		is_link = readl(&d40c->lcpa->lcsp3) &  D40_MEM_LCSP3_DLOS_MASK;
+	else
+		is_link = readl(d40c->base->virtbase + D40_DREG_PCBASE +
+				d40c->phy_chan->num * D40_DREG_PCDELTA +
+				D40_CHAN_REG_SDLNK) &
+			D40_SREG_LNK_PHYS_LNK_MASK;
+	return is_link;
+}
+
+static u32 d40_residue(struct d40_chan *d40c)
+{
+	u32 num_elt;
+
+	if (d40c->log_num != D40_PHY_CHAN)
+		num_elt = (readl(&d40c->lcpa->lcsp2) &  D40_MEM_LCSP2_ECNT_MASK)
+			>> D40_MEM_LCSP2_ECNT_POS;
+	else
+		num_elt = (readl(d40c->base->virtbase + D40_DREG_PCBASE +
+				 d40c->phy_chan->num * D40_DREG_PCDELTA +
+				 D40_CHAN_REG_SDELT) &
+			   D40_SREG_ELEM_PHY_ECNT_MASK) >> D40_SREG_ELEM_PHY_ECNT_POS;
+	return num_elt * (1 << d40c->dma_cfg.dst_info.data_width);
+}
+
+static int d40_resume(struct dma_chan *chan)
+{
+	struct d40_chan *d40c =
+		container_of(chan, struct d40_chan, chan);
+	int res = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	if (d40c->log_num != D40_PHY_CHAN) {
+		res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
+		if (res)
+			goto out;
+
+		/* If bytes left to transfer or linked tx resume job */
+		if (d40_residue(d40c) || d40_tx_is_linked(d40c)) {
+			d40_config_set_event(d40c, true);
+			res = d40_channel_execute_command(d40c, D40_DMA_RUN);
+		}
+	} else if (d40_residue(d40c) || d40_tx_is_linked(d40c))
+		res = d40_channel_execute_command(d40c, D40_DMA_RUN);
+
+out:
+	spin_unlock_irqrestore(&d40c->lock, flags);
+	return res;
+}
+
+static u32 stedma40_residue(struct dma_chan *chan)
+{
+	struct d40_chan *d40c =
+		container_of(chan, struct d40_chan, chan);
+	u32 bytes_left;
+	unsigned long flags;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+	bytes_left = d40_residue(d40c);
+	spin_unlock_irqrestore(&d40c->lock, flags);
+
+	return bytes_left;
+}
+
+/* Public DMA functions in addition to the DMA engine framework */
+
+int stedma40_set_psize(struct dma_chan *chan,
+		       int src_psize,
+		       int dst_psize)
+{
+	struct d40_chan *d40c =
+		container_of(chan, struct d40_chan, chan);
+	unsigned long flags;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	if (d40c->log_num != D40_PHY_CHAN) {
+		d40c->log_def.lcsp1 &= ~D40_MEM_LCSP1_SCFG_PSIZE_MASK;
+		d40c->log_def.lcsp3 &= ~D40_MEM_LCSP1_SCFG_PSIZE_MASK;
+		d40c->log_def.lcsp1 |= src_psize << D40_MEM_LCSP1_SCFG_PSIZE_POS;
+		d40c->log_def.lcsp3 |= dst_psize << D40_MEM_LCSP1_SCFG_PSIZE_POS;
+		goto out;
+	}
+
+	if (src_psize == STEDMA40_PSIZE_PHY_1)
+		d40c->src_def_cfg &= ~(1 << D40_SREG_CFG_PHY_PEN_POS);
+	else {
+		d40c->src_def_cfg |= 1 << D40_SREG_CFG_PHY_PEN_POS;
+		d40c->src_def_cfg &= ~(STEDMA40_PSIZE_PHY_16 <<
+				       D40_SREG_CFG_PSIZE_POS);
+		d40c->src_def_cfg |= src_psize << D40_SREG_CFG_PSIZE_POS;
+	}
+
+	if (dst_psize == STEDMA40_PSIZE_PHY_1)
+		d40c->dst_def_cfg &= ~(1 << D40_SREG_CFG_PHY_PEN_POS);
+	else {
+		d40c->dst_def_cfg |= 1 << D40_SREG_CFG_PHY_PEN_POS;
+		d40c->dst_def_cfg &= ~(STEDMA40_PSIZE_PHY_16 <<
+				       D40_SREG_CFG_PSIZE_POS);
+		d40c->dst_def_cfg |= dst_psize << D40_SREG_CFG_PSIZE_POS;
+	}
+out:
+	spin_unlock_irqrestore(&d40c->lock, flags);
+	return 0;
+}
+EXPORT_SYMBOL(stedma40_set_psize);
+
+struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan,
+						   struct scatterlist *sgl_dst,
+						   struct scatterlist *sgl_src,
+						   unsigned int sgl_len,
+						   unsigned long flags)
+{
+	int res;
+	struct d40_desc *d40d;
+	struct d40_chan *d40c = container_of(chan, struct d40_chan,
+					     chan);
+	unsigned long flg;
+	int lli_max = d40c->base->plat_data->llis_per_log;
+
+
+	spin_lock_irqsave(&d40c->lock, flg);
+	d40d = d40_desc_get(d40c);
+
+	if (d40d == NULL)
+		goto err;
+
+	memset(d40d, 0, sizeof(struct d40_desc));
+	d40d->lli_len = sgl_len;
+
+	d40d->txd.flags = flags;
+
+	if (d40c->log_num != D40_PHY_CHAN) {
+		if (sgl_len > 1)
+			/*
+			 * Check if there is space available in lcla. If not,
+			 * split list into 1-length and run only in lcpa
+			 * space.
+			 */
+			if (d40_lcla_id_get(d40c,
+					    &d40c->base->lcla_pool) != 0)
+				lli_max = 1;
+
+		if (d40_pool_lli_alloc(d40d, sgl_len, true) < 0) {
+			dev_err(&d40c->chan.dev->device,
+				"[%s] Out of memory\n", __func__);
+			goto err;
+		}
+
+		(void) d40_log_sg_to_lli(d40c->lcla.src_id,
+					 sgl_src,
+					 sgl_len,
+					 d40d->lli_log.src,
+					 d40c->log_def.lcsp1,
+					 d40c->dma_cfg.src_info.data_width,
+					 flags & DMA_PREP_INTERRUPT, lli_max,
+					 d40c->base->plat_data->llis_per_log);
+
+		(void) d40_log_sg_to_lli(d40c->lcla.dst_id,
+					 sgl_dst,
+					 sgl_len,
+					 d40d->lli_log.dst,
+					 d40c->log_def.lcsp3,
+					 d40c->dma_cfg.dst_info.data_width,
+					 flags & DMA_PREP_INTERRUPT, lli_max,
+					 d40c->base->plat_data->llis_per_log);
+
+
+	} else {
+		if (d40_pool_lli_alloc(d40d, sgl_len, false) < 0) {
+			dev_err(&d40c->chan.dev->device,
+				"[%s] Out of memory\n", __func__);
+			goto err;
+		}
+
+		res = d40_phy_sg_to_lli(sgl_src,
+					sgl_len,
+					0,
+					d40d->lli_phy.src,
+					d40d->lli_phy.src_addr,
+					d40c->src_def_cfg,
+					d40c->dma_cfg.src_info.data_width,
+					d40c->dma_cfg.src_info.psize,
+					true);
+
+		if (res < 0)
+			goto err;
+
+		res = d40_phy_sg_to_lli(sgl_dst,
+					sgl_len,
+					0,
+					d40d->lli_phy.dst,
+					d40d->lli_phy.dst_addr,
+					d40c->dst_def_cfg,
+					d40c->dma_cfg.dst_info.data_width,
+					d40c->dma_cfg.dst_info.psize,
+					true);
+
+		if (res < 0)
+			goto err;
+
+		(void) dma_map_single(d40c->base->dev, d40d->lli_phy.src,
+				      d40d->lli_pool.size, DMA_TO_DEVICE);
+	}
+
+	dma_async_tx_descriptor_init(&d40d->txd, chan);
+
+	d40d->txd.tx_submit = d40_tx_submit;
+
+	spin_unlock_irqrestore(&d40c->lock, flg);
+
+	return &d40d->txd;
+err:
+	spin_unlock_irqrestore(&d40c->lock, flg);
+	return NULL;
+}
+EXPORT_SYMBOL(stedma40_memcpy_sg);
+
+bool stedma40_filter(struct dma_chan *chan, void *data)
+{
+	struct stedma40_chan_cfg *info = data;
+	struct d40_chan *d40c =
+		container_of(chan, struct d40_chan, chan);
+	int err;
+
+	if (data) {
+		err = d40_validate_conf(d40c, info);
+		if (!err)
+			d40c->dma_cfg = *info;
+	} else
+		err = d40_config_memcpy(d40c);
+
+	return err == 0;
+}
+EXPORT_SYMBOL(stedma40_filter);
+
+/* DMA ENGINE functions */
+static int d40_alloc_chan_resources(struct dma_chan *chan)
+{
+	int err;
+	unsigned long flags;
+	struct d40_chan *d40c =
+		container_of(chan, struct d40_chan, chan);
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	d40c->completed = chan->cookie = 1;
+
+	/*
+	 * If no dma configuration is set (channel_type == 0)
+	 * use default configuration
+	 */
+	if (d40c->dma_cfg.channel_type == 0) {
+		err = d40_config_memcpy(d40c);
+		if (err)
+			goto err_alloc;
+	}
+
+	err = d40_allocate_channel(d40c);
+	if (err) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Failed to allocate channel\n", __func__);
+		goto err_alloc;
+	}
+
+	err = d40_config_chan(d40c, &d40c->dma_cfg);
+	if (err) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Failed to configure channel\n",
+			__func__);
+		goto err_config;
+	}
+
+	spin_unlock_irqrestore(&d40c->lock, flags);
+	return 0;
+
+ err_config:
+	(void) d40_free_dma(d40c);
+ err_alloc:
+	spin_unlock_irqrestore(&d40c->lock, flags);
+	dev_err(&d40c->chan.dev->device,
+		"[%s] Channel allocation failed\n", __func__);
+	return -EINVAL;
+}
+
+static void d40_free_chan_resources(struct dma_chan *chan)
+{
+	struct d40_chan *d40c =
+		container_of(chan, struct d40_chan, chan);
+	int err;
+	unsigned long flags;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	err = d40_free_dma(d40c);
+
+	if (err)
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Failed to free channel\n", __func__);
+	spin_unlock_irqrestore(&d40c->lock, flags);
+}
+
+static struct dma_async_tx_descriptor *d40_prep_memcpy(struct dma_chan *chan,
+						       dma_addr_t dst,
+						       dma_addr_t src,
+						       size_t size,
+						       unsigned long flags)
+{
+	struct d40_desc *d40d;
+	struct d40_chan *d40c = container_of(chan, struct d40_chan,
+					     chan);
+	unsigned long flg;
+	int err = 0;
+
+	spin_lock_irqsave(&d40c->lock, flg);
+	d40d = d40_desc_get(d40c);
+
+	if (d40d == NULL) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Descriptor is NULL\n", __func__);
+		goto err;
+	}
+
+	memset(d40d, 0, sizeof(struct d40_desc));
+
+	d40d->txd.flags = flags;
+
+	dma_async_tx_descriptor_init(&d40d->txd, chan);
+
+	d40d->txd.tx_submit = d40_tx_submit;
+
+	if (d40c->log_num != D40_PHY_CHAN) {
+
+		if (d40_pool_lli_alloc(d40d, 1, true) < 0) {
+			dev_err(&d40c->chan.dev->device,
+				"[%s] Out of memory\n", __func__);
+			goto err;
+		}
+		d40d->lli_len = 1;
+
+		d40_log_fill_lli(d40d->lli_log.src,
+				 src,
+				 size,
+				 0,
+				 d40c->log_def.lcsp1,
+				 d40c->dma_cfg.src_info.data_width,
+				 true, true);
+
+		d40_log_fill_lli(d40d->lli_log.dst,
+				 dst,
+				 size,
+				 0,
+				 d40c->log_def.lcsp3,
+				 d40c->dma_cfg.dst_info.data_width,
+				 true, true);
+
+	} else {
+
+		if (d40_pool_lli_alloc(d40d, 1, false) < 0) {
+			dev_err(&d40c->chan.dev->device,
+				"[%s] Out of memory\n", __func__);
+			goto err;
+		}
+
+		err = d40_phy_fill_lli(d40d->lli_phy.src,
+				       src,
+				       size,
+				       d40c->dma_cfg.src_info.psize,
+				       0,
+				       d40c->src_def_cfg,
+				       true,
+				       d40c->dma_cfg.src_info.data_width,
+				       false);
+		if (err)
+			goto err_fill_lli;
+
+		err = d40_phy_fill_lli(d40d->lli_phy.dst,
+				       dst,
+				       size,
+				       d40c->dma_cfg.dst_info.psize,
+				       0,
+				       d40c->dst_def_cfg,
+				       true,
+				       d40c->dma_cfg.dst_info.data_width,
+				       false);
+
+		if (err)
+			goto err_fill_lli;
+
+		(void) dma_map_single(d40c->base->dev, d40d->lli_phy.src,
+				      d40d->lli_pool.size, DMA_TO_DEVICE);
+	}
+
+	spin_unlock_irqrestore(&d40c->lock, flg);
+	return &d40d->txd;
+
+err_fill_lli:
+	dev_err(&d40c->chan.dev->device,
+		"[%s] Failed filling in PHY LLI\n", __func__);
+	d40_pool_lli_free(d40d);
+err:
+	spin_unlock_irqrestore(&d40c->lock, flg);
+	return NULL;
+}
+
+static int d40_prep_slave_sg_log(struct d40_desc *d40d,
+				 struct d40_chan *d40c,
+				 struct scatterlist *sgl,
+				 unsigned int sg_len,
+				 enum dma_data_direction direction,
+				 unsigned long flags)
+{
+	dma_addr_t dev_addr = 0;
+	int total_size;
+	int lli_max = d40c->base->plat_data->llis_per_log;
+
+	if (d40_pool_lli_alloc(d40d, sg_len, true) < 0) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Out of memory\n", __func__);
+		return -ENOMEM;
+	}
+
+	d40d->lli_len = sg_len;
+	d40d->lli_tcount = 0;
+
+	if (sg_len > 1)
+		/*
+		 * Check if there is space available in lcla.
+		 * If not, split list into 1-length and run only
+		 * in lcpa space.
+		 */
+		if (d40_lcla_id_get(d40c, &d40c->base->lcla_pool) != 0)
+			lli_max = 1;
+
+	if (direction == DMA_FROM_DEVICE) {
+		dev_addr = d40c->base->plat_data->dev_rx[d40c->dma_cfg.src_dev_type];
+		total_size = d40_log_sg_to_dev(&d40c->lcla,
+					       sgl, sg_len,
+					       &d40d->lli_log,
+					       &d40c->log_def,
+					       d40c->dma_cfg.src_info.data_width,
+					       d40c->dma_cfg.dst_info.data_width,
+					       direction,
+					       flags & DMA_PREP_INTERRUPT,
+					       dev_addr, lli_max,
+					       d40c->base->plat_data->llis_per_log);
+	} else if (direction == DMA_TO_DEVICE) {
+		dev_addr = d40c->base->plat_data->dev_tx[d40c->dma_cfg.dst_dev_type];
+		total_size = d40_log_sg_to_dev(&d40c->lcla,
+					       sgl, sg_len,
+					       &d40d->lli_log,
+					       &d40c->log_def,
+					       d40c->dma_cfg.src_info.data_width,
+					       d40c->dma_cfg.dst_info.data_width,
+					       direction,
+					       flags & DMA_PREP_INTERRUPT,
+					       dev_addr, lli_max,
+					       d40c->base->plat_data->llis_per_log);
+	} else
+		return -EINVAL;
+	if (total_size < 0)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int d40_prep_slave_sg_phy(struct d40_desc *d40d,
+				 struct d40_chan *d40c,
+				 struct scatterlist *sgl,
+				 unsigned int sgl_len,
+				 enum dma_data_direction direction,
+				 unsigned long flags)
+{
+	dma_addr_t src_dev_addr;
+	dma_addr_t dst_dev_addr;
+	int res;
+
+	if (d40_pool_lli_alloc(d40d, sgl_len, false) < 0) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Out of memory\n", __func__);
+		return -ENOMEM;
+	}
+
+	d40d->lli_len = sgl_len;
+	d40d->lli_tcount = 0;
+
+	if (direction == DMA_FROM_DEVICE) {
+		dst_dev_addr = 0;
+		src_dev_addr = d40c->base->plat_data->dev_rx[d40c->dma_cfg.src_dev_type];
+	} else if (direction == DMA_TO_DEVICE) {
+		dst_dev_addr = d40c->base->plat_data->dev_tx[d40c->dma_cfg.dst_dev_type];
+		src_dev_addr = 0;
+	} else
+		return -EINVAL;
+
+	res = d40_phy_sg_to_lli(sgl,
+				sgl_len,
+				src_dev_addr,
+				d40d->lli_phy.src,
+				d40d->lli_phy.src_addr,
+				d40c->src_def_cfg,
+				d40c->dma_cfg.src_info.data_width,
+				d40c->dma_cfg.src_info.psize,
+				true);
+	if (res < 0)
+		return res;
+
+	res = d40_phy_sg_to_lli(sgl,
+				sgl_len,
+				dst_dev_addr,
+				d40d->lli_phy.dst,
+				d40d->lli_phy.dst_addr,
+				d40c->dst_def_cfg,
+				d40c->dma_cfg.dst_info.data_width,
+				d40c->dma_cfg.dst_info.psize,
+				 true);
+	if (res < 0)
+		return res;
+
+	(void) dma_map_single(d40c->base->dev, d40d->lli_phy.src,
+			      d40d->lli_pool.size, DMA_TO_DEVICE);
+	return 0;
+}
+
+static struct dma_async_tx_descriptor *d40_prep_slave_sg(struct dma_chan *chan,
+							 struct scatterlist *sgl,
+							 unsigned int sg_len,
+							 enum dma_data_direction direction,
+							 unsigned long flags)
+{
+	struct d40_desc *d40d;
+	struct d40_chan *d40c = container_of(chan, struct d40_chan,
+					     chan);
+	unsigned long flg;
+	int err;
+
+	if (d40c->dma_cfg.pre_transfer)
+		d40c->dma_cfg.pre_transfer(chan,
+					   d40c->dma_cfg.pre_transfer_data,
+					   sg_dma_len(sgl));
+
+	spin_lock_irqsave(&d40c->lock, flg);
+	d40d = d40_desc_get(d40c);
+	spin_unlock_irqrestore(&d40c->lock, flg);
+
+	if (d40d == NULL)
+		return NULL;
+
+	memset(d40d, 0, sizeof(struct d40_desc));
+
+	if (d40c->log_num != D40_PHY_CHAN)
+		err = d40_prep_slave_sg_log(d40d, d40c, sgl, sg_len,
+					    direction, flags);
+	else
+		err = d40_prep_slave_sg_phy(d40d, d40c, sgl, sg_len,
+					    direction, flags);
+	if (err) {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Failed to prepare %s slave sg job: %d\n",
+			__func__,
+			d40c->log_num != D40_PHY_CHAN ? "log" : "phy", err);
+		return NULL;
+	}
+
+	d40d->txd.flags = flags;
+
+	dma_async_tx_descriptor_init(&d40d->txd, chan);
+
+	d40d->txd.tx_submit = d40_tx_submit;
+
+	return &d40d->txd;
+}
+
+static enum dma_status d40_tx_status(struct dma_chan *chan,
+				     dma_cookie_t cookie,
+				     struct dma_tx_state *txstate)
+{
+	struct d40_chan *d40c = container_of(chan, struct d40_chan, chan);
+	dma_cookie_t last_used;
+	dma_cookie_t last_complete;
+	int ret;
+
+	last_complete = d40c->completed;
+	last_used = chan->cookie;
+
+	ret = dma_async_is_complete(cookie, last_complete, last_used);
+
+	if (txstate) {
+		txstate->last = last_complete;
+		txstate->used = last_used;
+		txstate->residue = stedma40_residue(chan);
+	}
+
+	return ret;
+}
+
+static void d40_issue_pending(struct dma_chan *chan)
+{
+	struct d40_chan *d40c = container_of(chan, struct d40_chan, chan);
+	unsigned long flags;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	/* Busy means that pending jobs are already being processed */
+	if (!d40c->busy)
+		(void) d40_queue_start(d40c);
+
+	spin_unlock_irqrestore(&d40c->lock, flags);
+}
+
+static int d40_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+{
+	unsigned long flags;
+	struct d40_chan *d40c = container_of(chan, struct d40_chan, chan);
+
+	switch (cmd) {
+	case DMA_TERMINATE_ALL:
+		spin_lock_irqsave(&d40c->lock, flags);
+		d40_term_all(d40c);
+		spin_unlock_irqrestore(&d40c->lock, flags);
+		return 0;
+	case DMA_PAUSE:
+		return d40_pause(chan);
+	case DMA_RESUME:
+		return d40_resume(chan);
+	}
+
+	/* Other commands are unimplemented */
+	return -ENXIO;
+}
+
+/* Initialization functions */
+
+static void __init d40_chan_init(struct d40_base *base, struct dma_device *dma,
+				 struct d40_chan *chans, int offset,
+				 int num_chans)
+{
+	int i = 0;
+	struct d40_chan *d40c;
+
+	INIT_LIST_HEAD(&dma->channels);
+
+	for (i = offset; i < offset + num_chans; i++) {
+		d40c = &chans[i];
+		d40c->base = base;
+		d40c->chan.device = dma;
+
+		/* Invalidate lcla element */
+		d40c->lcla.src_id = -1;
+		d40c->lcla.dst_id = -1;
+
+		spin_lock_init(&d40c->lock);
+
+		d40c->log_num = D40_PHY_CHAN;
+
+		INIT_LIST_HEAD(&d40c->free);
+		INIT_LIST_HEAD(&d40c->active);
+		INIT_LIST_HEAD(&d40c->queue);
+		INIT_LIST_HEAD(&d40c->client);
+
+		d40c->free_len = 0;
+
+		tasklet_init(&d40c->tasklet, dma_tasklet,
+			     (unsigned long) d40c);
+
+		list_add_tail(&d40c->chan.device_node,
+			      &dma->channels);
+	}
+}
+
+static int __init d40_dmaengine_init(struct d40_base *base,
+				     int num_reserved_chans)
+{
+	int err ;
+
+	d40_chan_init(base, &base->dma_slave, base->log_chans,
+		      0, base->num_log_chans);
+
+	dma_cap_zero(base->dma_slave.cap_mask);
+	dma_cap_set(DMA_SLAVE, base->dma_slave.cap_mask);
+
+	base->dma_slave.device_alloc_chan_resources = d40_alloc_chan_resources;
+	base->dma_slave.device_free_chan_resources = d40_free_chan_resources;
+	base->dma_slave.device_prep_dma_memcpy = d40_prep_memcpy;
+	base->dma_slave.device_prep_slave_sg = d40_prep_slave_sg;
+	base->dma_slave.device_tx_status = d40_tx_status;
+	base->dma_slave.device_issue_pending = d40_issue_pending;
+	base->dma_slave.device_control = d40_control;
+	base->dma_slave.dev = base->dev;
+
+	err = dma_async_device_register(&base->dma_slave);
+
+	if (err) {
+		dev_err(base->dev,
+			"[%s] Failed to register slave channels\n",
+			__func__);
+		goto failure1;
+	}
+
+	d40_chan_init(base, &base->dma_memcpy, base->log_chans,
+		      base->num_log_chans, base->plat_data->memcpy_len);
+
+	dma_cap_zero(base->dma_memcpy.cap_mask);
+	dma_cap_set(DMA_MEMCPY, base->dma_memcpy.cap_mask);
+
+	base->dma_memcpy.device_alloc_chan_resources = d40_alloc_chan_resources;
+	base->dma_memcpy.device_free_chan_resources = d40_free_chan_resources;
+	base->dma_memcpy.device_prep_dma_memcpy = d40_prep_memcpy;
+	base->dma_memcpy.device_prep_slave_sg = d40_prep_slave_sg;
+	base->dma_memcpy.device_tx_status = d40_tx_status;
+	base->dma_memcpy.device_issue_pending = d40_issue_pending;
+	base->dma_memcpy.device_control = d40_control;
+	base->dma_memcpy.dev = base->dev;
+	/*
+	 * This controller can only access address at even
+	 * 32bit boundaries, i.e. 2^2
+	 */
+	base->dma_memcpy.copy_align = 2;
+
+	err = dma_async_device_register(&base->dma_memcpy);
+
+	if (err) {
+		dev_err(base->dev,
+			"[%s] Failed to regsiter memcpy only channels\n",
+			__func__);
+		goto failure2;
+	}
+
+	d40_chan_init(base, &base->dma_both, base->phy_chans,
+		      0, num_reserved_chans);
+
+	dma_cap_zero(base->dma_both.cap_mask);
+	dma_cap_set(DMA_SLAVE, base->dma_both.cap_mask);
+	dma_cap_set(DMA_MEMCPY, base->dma_both.cap_mask);
+
+	base->dma_both.device_alloc_chan_resources = d40_alloc_chan_resources;
+	base->dma_both.device_free_chan_resources = d40_free_chan_resources;
+	base->dma_both.device_prep_dma_memcpy = d40_prep_memcpy;
+	base->dma_both.device_prep_slave_sg = d40_prep_slave_sg;
+	base->dma_both.device_tx_status = d40_tx_status;
+	base->dma_both.device_issue_pending = d40_issue_pending;
+	base->dma_both.device_control = d40_control;
+	base->dma_both.dev = base->dev;
+	base->dma_both.copy_align = 2;
+	err = dma_async_device_register(&base->dma_both);
+
+	if (err) {
+		dev_err(base->dev,
+			"[%s] Failed to register logical and physical capable channels\n",
+			__func__);
+		goto failure3;
+	}
+	return 0;
+failure3:
+	dma_async_device_unregister(&base->dma_memcpy);
+failure2:
+	dma_async_device_unregister(&base->dma_slave);
+failure1:
+	return err;
+}
+
+/* Initialization functions. */
+
+static int __init d40_phy_res_init(struct d40_base *base)
+{
+	int i;
+	int num_phy_chans_avail = 0;
+	u32 val[2];
+	int odd_even_bit = -2;
+
+	val[0] = readl(base->virtbase + D40_DREG_PRSME);
+	val[1] = readl(base->virtbase + D40_DREG_PRSMO);
+
+	for (i = 0; i < base->num_phy_chans; i++) {
+		base->phy_res[i].num = i;
+		odd_even_bit += 2 * ((i % 2) == 0);
+		if (((val[i % 2] >> odd_even_bit) & 3) == 1) {
+			/* Mark security only channels as occupied */
+			base->phy_res[i].allocated_src = D40_ALLOC_PHY;
+			base->phy_res[i].allocated_dst = D40_ALLOC_PHY;
+		} else {
+			base->phy_res[i].allocated_src = D40_ALLOC_FREE;
+			base->phy_res[i].allocated_dst = D40_ALLOC_FREE;
+			num_phy_chans_avail++;
+		}
+		spin_lock_init(&base->phy_res[i].lock);
+	}
+	dev_info(base->dev, "%d of %d physical DMA channels available\n",
+		 num_phy_chans_avail, base->num_phy_chans);
+
+	/* Verify settings extended vs standard */
+	val[0] = readl(base->virtbase + D40_DREG_PRTYP);
+
+	for (i = 0; i < base->num_phy_chans; i++) {
+
+		if (base->phy_res[i].allocated_src == D40_ALLOC_FREE &&
+		    (val[0] & 0x3) != 1)
+			dev_info(base->dev,
+				 "[%s] INFO: channel %d is misconfigured (%d)\n",
+				 __func__, i, val[0] & 0x3);
+
+		val[0] = val[0] >> 2;
+	}
+
+	return num_phy_chans_avail;
+}
+
+static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
+{
+	static const struct d40_reg_val dma_id_regs[] = {
+		/* Peripheral Id */
+		{ .reg = D40_DREG_PERIPHID0, .val = 0x0040},
+		{ .reg = D40_DREG_PERIPHID1, .val = 0x0000},
+		/*
+		 * D40_DREG_PERIPHID2 Depends on HW revision:
+		 *  MOP500/HREF ED has 0x0008,
+		 *  ? has 0x0018,
+		 *  HREF V1 has 0x0028
+		 */
+		{ .reg = D40_DREG_PERIPHID3, .val = 0x0000},
+
+		/* PCell Id */
+		{ .reg = D40_DREG_CELLID0, .val = 0x000d},
+		{ .reg = D40_DREG_CELLID1, .val = 0x00f0},
+		{ .reg = D40_DREG_CELLID2, .val = 0x0005},
+		{ .reg = D40_DREG_CELLID3, .val = 0x00b1}
+	};
+	struct stedma40_platform_data *plat_data;
+	struct clk *clk = NULL;
+	void __iomem *virtbase = NULL;
+	struct resource *res = NULL;
+	struct d40_base *base = NULL;
+	int num_log_chans = 0;
+	int num_phy_chans;
+	int i;
+
+	clk = clk_get(&pdev->dev, NULL);
+
+	if (IS_ERR(clk)) {
+		dev_err(&pdev->dev, "[%s] No matching clock found\n",
+			__func__);
+		goto failure;
+	}
+
+	clk_enable(clk);
+
+	/* Get IO for DMAC base address */
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "base");
+	if (!res)
+		goto failure;
+
+	if (request_mem_region(res->start, resource_size(res),
+			       D40_NAME " I/O base") == NULL)
+		goto failure;
+
+	virtbase = ioremap(res->start, resource_size(res));
+	if (!virtbase)
+		goto failure;
+
+	/* HW version check */
+	for (i = 0; i < ARRAY_SIZE(dma_id_regs); i++) {
+		if (dma_id_regs[i].val !=
+		    readl(virtbase + dma_id_regs[i].reg)) {
+			dev_err(&pdev->dev,
+				"[%s] Unknown hardware! Expected 0x%x at 0x%x but got 0x%x\n",
+				__func__,
+				dma_id_regs[i].val,
+				dma_id_regs[i].reg,
+				readl(virtbase + dma_id_regs[i].reg));
+			goto failure;
+		}
+	}
+
+	i = readl(virtbase + D40_DREG_PERIPHID2);
+
+	if ((i & 0xf) != D40_PERIPHID2_DESIGNER) {
+		dev_err(&pdev->dev,
+			"[%s] Unknown designer! Got %x wanted %x\n",
+			__func__, i & 0xf, D40_PERIPHID2_DESIGNER);
+		goto failure;
+	}
+
+	/* The number of physical channels on this HW */
+	num_phy_chans = 4 * (readl(virtbase + D40_DREG_ICFG) & 0x7) + 4;
+
+	dev_info(&pdev->dev, "hardware revision: %d @ 0x%x\n",
+		 (i >> 4) & 0xf, res->start);
+
+	plat_data = pdev->dev.platform_data;
+
+	/* Count the number of logical channels in use */
+	for (i = 0; i < plat_data->dev_len; i++)
+		if (plat_data->dev_rx[i] != 0)
+			num_log_chans++;
+
+	for (i = 0; i < plat_data->dev_len; i++)
+		if (plat_data->dev_tx[i] != 0)
+			num_log_chans++;
+
+	base = kzalloc(ALIGN(sizeof(struct d40_base), 4) +
+		       (num_phy_chans + num_log_chans + plat_data->memcpy_len) *
+		       sizeof(struct d40_chan), GFP_KERNEL);
+
+	if (base == NULL) {
+		dev_err(&pdev->dev, "[%s] Out of memory\n", __func__);
+		goto failure;
+	}
+
+	base->clk = clk;
+	base->num_phy_chans = num_phy_chans;
+	base->num_log_chans = num_log_chans;
+	base->phy_start = res->start;
+	base->phy_size = resource_size(res);
+	base->virtbase = virtbase;
+	base->plat_data = plat_data;
+	base->dev = &pdev->dev;
+	base->phy_chans = ((void *)base) + ALIGN(sizeof(struct d40_base), 4);
+	base->log_chans = &base->phy_chans[num_phy_chans];
+
+	base->phy_res = kzalloc(num_phy_chans * sizeof(struct d40_phy_res),
+				GFP_KERNEL);
+	if (!base->phy_res)
+		goto failure;
+
+	base->lookup_phy_chans = kzalloc(num_phy_chans *
+					 sizeof(struct d40_chan *),
+					 GFP_KERNEL);
+	if (!base->lookup_phy_chans)
+		goto failure;
+
+	if (num_log_chans + plat_data->memcpy_len) {
+		/*
+		 * The max number of logical channels are event lines for all
+		 * src devices and dst devices
+		 */
+		base->lookup_log_chans = kzalloc(plat_data->dev_len * 2 *
+						 sizeof(struct d40_chan *),
+						 GFP_KERNEL);
+		if (!base->lookup_log_chans)
+			goto failure;
+	}
+	base->lcla_pool.alloc_map = kzalloc(num_phy_chans * sizeof(u32),
+					    GFP_KERNEL);
+	if (!base->lcla_pool.alloc_map)
+		goto failure;
+
+	return base;
+
+failure:
+	if (clk) {
+		clk_disable(clk);
+		clk_put(clk);
+	}
+	if (virtbase)
+		iounmap(virtbase);
+	if (res)
+		release_mem_region(res->start,
+				   resource_size(res));
+	if (virtbase)
+		iounmap(virtbase);
+
+	if (base) {
+		kfree(base->lcla_pool.alloc_map);
+		kfree(base->lookup_log_chans);
+		kfree(base->lookup_phy_chans);
+		kfree(base->phy_res);
+		kfree(base);
+	}
+
+	return NULL;
+}
+
+static void __init d40_hw_init(struct d40_base *base)
+{
+
+	static const struct d40_reg_val dma_init_reg[] = {
+		/* Clock every part of the DMA block from start */
+		{ .reg = D40_DREG_GCC,    .val = 0x0000ff01},
+
+		/* Interrupts on all logical channels */
+		{ .reg = D40_DREG_LCMIS0, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCMIS1, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCMIS2, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCMIS3, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCICR0, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCICR1, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCICR2, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCICR3, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCTIS0, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCTIS1, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCTIS2, .val = 0xFFFFFFFF},
+		{ .reg = D40_DREG_LCTIS3, .val = 0xFFFFFFFF}
+	};
+	int i;
+	u32 prmseo[2] = {0, 0};
+	u32 activeo[2] = {0xFFFFFFFF, 0xFFFFFFFF};
+	u32 pcmis = 0;
+	u32 pcicr = 0;
+
+	for (i = 0; i < ARRAY_SIZE(dma_init_reg); i++)
+		writel(dma_init_reg[i].val,
+		       base->virtbase + dma_init_reg[i].reg);
+
+	/* Configure all our dma channels to default settings */
+	for (i = 0; i < base->num_phy_chans; i++) {
+
+		activeo[i % 2] = activeo[i % 2] << 2;
+
+		if (base->phy_res[base->num_phy_chans - i - 1].allocated_src
+		    == D40_ALLOC_PHY) {
+			activeo[i % 2] |= 3;
+			continue;
+		}
+
+		/* Enable interrupt # */
+		pcmis = (pcmis << 1) | 1;
+
+		/* Clear interrupt # */
+		pcicr = (pcicr << 1) | 1;
+
+		/* Set channel to physical mode */
+		prmseo[i % 2] = prmseo[i % 2] << 2;
+		prmseo[i % 2] |= 1;
+
+	}
+
+	writel(prmseo[1], base->virtbase + D40_DREG_PRMSE);
+	writel(prmseo[0], base->virtbase + D40_DREG_PRMSO);
+	writel(activeo[1], base->virtbase + D40_DREG_ACTIVE);
+	writel(activeo[0], base->virtbase + D40_DREG_ACTIVO);
+
+	/* Write which interrupt to enable */
+	writel(pcmis, base->virtbase + D40_DREG_PCMIS);
+
+	/* Write which interrupt to clear */
+	writel(pcicr, base->virtbase + D40_DREG_PCICR);
+
+}
+
+static int __init d40_probe(struct platform_device *pdev)
+{
+	int err;
+	int ret = -ENOENT;
+	struct d40_base *base;
+	struct resource *res = NULL;
+	int num_reserved_chans;
+	u32 val;
+
+	base = d40_hw_detect_init(pdev);
+
+	if (!base)
+		goto failure;
+
+	num_reserved_chans = d40_phy_res_init(base);
+
+	platform_set_drvdata(pdev, base);
+
+	spin_lock_init(&base->interrupt_lock);
+	spin_lock_init(&base->execmd_lock);
+
+	/* Get IO for logical channel parameter address */
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lcpa");
+	if (!res) {
+		ret = -ENOENT;
+		dev_err(&pdev->dev,
+			"[%s] No \"lcpa\" memory resource\n",
+			__func__);
+		goto failure;
+	}
+	base->lcpa_size = resource_size(res);
+	base->phy_lcpa = res->start;
+
+	if (request_mem_region(res->start, resource_size(res),
+			       D40_NAME " I/O lcpa") == NULL) {
+		ret = -EBUSY;
+		dev_err(&pdev->dev,
+			"[%s] Failed to request LCPA region 0x%x-0x%x\n",
+			__func__, res->start, res->end);
+		goto failure;
+	}
+
+	/* We make use of ESRAM memory for this. */
+	val = readl(base->virtbase + D40_DREG_LCPA);
+	if (res->start != val && val != 0) {
+		dev_warn(&pdev->dev,
+			 "[%s] Mismatch LCPA dma 0x%x, def 0x%x\n",
+			 __func__, val, res->start);
+	} else
+		writel(res->start, base->virtbase + D40_DREG_LCPA);
+
+	base->lcpa_base = ioremap(res->start, resource_size(res));
+	if (!base->lcpa_base) {
+		ret = -ENOMEM;
+		dev_err(&pdev->dev,
+			"[%s] Failed to ioremap LCPA region\n",
+			__func__);
+		goto failure;
+	}
+	/* Get IO for logical channel link address */
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lcla");
+	if (!res) {
+		ret = -ENOENT;
+		dev_err(&pdev->dev,
+			"[%s] No \"lcla\" resource defined\n",
+			__func__);
+		goto failure;
+	}
+
+	base->lcla_pool.base_size = resource_size(res);
+	base->lcla_pool.phy = res->start;
+
+	if (request_mem_region(res->start, resource_size(res),
+			       D40_NAME " I/O lcla") == NULL) {
+		ret = -EBUSY;
+		dev_err(&pdev->dev,
+			"[%s] Failed to request LCLA region 0x%x-0x%x\n",
+			__func__, res->start, res->end);
+		goto failure;
+	}
+	val = readl(base->virtbase + D40_DREG_LCLA);
+	if (res->start != val && val != 0) {
+		dev_warn(&pdev->dev,
+			 "[%s] Mismatch LCLA dma 0x%x, def 0x%x\n",
+			 __func__, val, res->start);
+	} else
+		writel(res->start, base->virtbase + D40_DREG_LCLA);
+
+	base->lcla_pool.base = ioremap(res->start, resource_size(res));
+	if (!base->lcla_pool.base) {
+		ret = -ENOMEM;
+		dev_err(&pdev->dev,
+			"[%s] Failed to ioremap LCLA 0x%x-0x%x\n",
+			__func__, res->start, res->end);
+		goto failure;
+	}
+
+	spin_lock_init(&base->lcla_pool.lock);
+
+	base->lcla_pool.num_blocks = base->num_phy_chans;
+
+	base->irq = platform_get_irq(pdev, 0);
+
+	ret = request_irq(base->irq, d40_handle_interrupt, 0, D40_NAME, base);
+
+	if (ret) {
+		dev_err(&pdev->dev, "[%s] No IRQ defined\n", __func__);
+		goto failure;
+	}
+
+	err = d40_dmaengine_init(base, num_reserved_chans);
+	if (err)
+		goto failure;
+
+	d40_hw_init(base);
+
+	dev_info(base->dev, "initialized\n");
+	return 0;
+
+failure:
+	if (base) {
+		if (base->virtbase)
+			iounmap(base->virtbase);
+		if (base->lcla_pool.phy)
+			release_mem_region(base->lcla_pool.phy,
+					   base->lcla_pool.base_size);
+		if (base->phy_lcpa)
+			release_mem_region(base->phy_lcpa,
+					   base->lcpa_size);
+		if (base->phy_start)
+			release_mem_region(base->phy_start,
+					   base->phy_size);
+		if (base->clk) {
+			clk_disable(base->clk);
+			clk_put(base->clk);
+		}
+
+		kfree(base->lcla_pool.alloc_map);
+		kfree(base->lookup_log_chans);
+		kfree(base->lookup_phy_chans);
+		kfree(base->phy_res);
+		kfree(base);
+	}
+
+	dev_err(&pdev->dev, "[%s] probe failed\n", __func__);
+	return ret;
+}
+
+static struct platform_driver d40_driver = {
+	.driver = {
+		.owner = THIS_MODULE,
+		.name  = D40_NAME,
+	},
+};
+
+int __init stedma40_init(void)
+{
+	return platform_driver_probe(&d40_driver, d40_probe);
+}
+arch_initcall(stedma40_init);
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
new file mode 100644
index 00000000000..561fdd8a80c
--- /dev/null
+++ b/drivers/dma/ste_dma40_ll.c
@@ -0,0 +1,454 @@
+/*
+ * driver/dma/ste_dma40_ll.c
+ *
+ * Copyright (C) ST-Ericsson 2007-2010
+ * License terms: GNU General Public License (GPL) version 2
+ * Author: Per Friden <per.friden@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ */
+
+#include <linux/kernel.h>
+#include <plat/ste_dma40.h>
+
+#include "ste_dma40_ll.h"
+
+/* Sets up proper LCSP1 and LCSP3 register for a logical channel */
+void d40_log_cfg(struct stedma40_chan_cfg *cfg,
+		 u32 *lcsp1, u32 *lcsp3)
+{
+	u32 l3 = 0; /* dst */
+	u32 l1 = 0; /* src */
+
+	/* src is mem? -> increase address pos */
+	if (cfg->dir ==  STEDMA40_MEM_TO_PERIPH ||
+	    cfg->dir ==  STEDMA40_MEM_TO_MEM)
+		l1 |= 1 << D40_MEM_LCSP1_SCFG_INCR_POS;
+
+	/* dst is mem? -> increase address pos */
+	if (cfg->dir ==  STEDMA40_PERIPH_TO_MEM ||
+	    cfg->dir ==  STEDMA40_MEM_TO_MEM)
+		l3 |= 1 << D40_MEM_LCSP3_DCFG_INCR_POS;
+
+	/* src is hw? -> master port 1 */
+	if (cfg->dir ==  STEDMA40_PERIPH_TO_MEM ||
+	    cfg->dir ==  STEDMA40_PERIPH_TO_PERIPH)
+		l1 |= 1 << D40_MEM_LCSP1_SCFG_MST_POS;
+
+	/* dst is hw? -> master port 1 */
+	if (cfg->dir ==  STEDMA40_MEM_TO_PERIPH ||
+	    cfg->dir ==  STEDMA40_PERIPH_TO_PERIPH)
+		l3 |= 1 << D40_MEM_LCSP3_DCFG_MST_POS;
+
+	l3 |= 1 << D40_MEM_LCSP3_DCFG_TIM_POS;
+	l3 |= 1 << D40_MEM_LCSP3_DCFG_EIM_POS;
+	l3 |= cfg->dst_info.psize << D40_MEM_LCSP3_DCFG_PSIZE_POS;
+	l3 |= cfg->dst_info.data_width << D40_MEM_LCSP3_DCFG_ESIZE_POS;
+	l3 |= 1 << D40_MEM_LCSP3_DTCP_POS;
+
+	l1 |= 1 << D40_MEM_LCSP1_SCFG_EIM_POS;
+	l1 |= cfg->src_info.psize << D40_MEM_LCSP1_SCFG_PSIZE_POS;
+	l1 |= cfg->src_info.data_width << D40_MEM_LCSP1_SCFG_ESIZE_POS;
+	l1 |= 1 << D40_MEM_LCSP1_STCP_POS;
+
+	*lcsp1 = l1;
+	*lcsp3 = l3;
+
+}
+
+/* Sets up SRC and DST CFG register for both logical and physical channels */
+void d40_phy_cfg(struct stedma40_chan_cfg *cfg,
+		 u32 *src_cfg, u32 *dst_cfg, bool is_log)
+{
+	u32 src = 0;
+	u32 dst = 0;
+
+	if (!is_log) {
+		/* Physical channel */
+		if ((cfg->dir ==  STEDMA40_PERIPH_TO_MEM) ||
+		    (cfg->dir == STEDMA40_PERIPH_TO_PERIPH)) {
+			/* Set master port to 1 */
+			src |= 1 << D40_SREG_CFG_MST_POS;
+			src |= D40_TYPE_TO_EVENT(cfg->src_dev_type);
+
+			if (cfg->src_info.flow_ctrl == STEDMA40_NO_FLOW_CTRL)
+				src |= 1 << D40_SREG_CFG_PHY_TM_POS;
+			else
+				src |= 3 << D40_SREG_CFG_PHY_TM_POS;
+		}
+		if ((cfg->dir ==  STEDMA40_MEM_TO_PERIPH) ||
+		    (cfg->dir == STEDMA40_PERIPH_TO_PERIPH)) {
+			/* Set master port to 1 */
+			dst |= 1 << D40_SREG_CFG_MST_POS;
+			dst |= D40_TYPE_TO_EVENT(cfg->dst_dev_type);
+
+			if (cfg->dst_info.flow_ctrl == STEDMA40_NO_FLOW_CTRL)
+				dst |= 1 << D40_SREG_CFG_PHY_TM_POS;
+			else
+				dst |= 3 << D40_SREG_CFG_PHY_TM_POS;
+		}
+		/* Interrupt on end of transfer for destination */
+		dst |= 1 << D40_SREG_CFG_TIM_POS;
+
+		/* Generate interrupt on error */
+		src |= 1 << D40_SREG_CFG_EIM_POS;
+		dst |= 1 << D40_SREG_CFG_EIM_POS;
+
+		/* PSIZE */
+		if (cfg->src_info.psize != STEDMA40_PSIZE_PHY_1) {
+			src |= 1 << D40_SREG_CFG_PHY_PEN_POS;
+			src |= cfg->src_info.psize << D40_SREG_CFG_PSIZE_POS;
+		}
+		if (cfg->dst_info.psize != STEDMA40_PSIZE_PHY_1) {
+			dst |= 1 << D40_SREG_CFG_PHY_PEN_POS;
+			dst |= cfg->dst_info.psize << D40_SREG_CFG_PSIZE_POS;
+		}
+
+		/* Element size */
+		src |= cfg->src_info.data_width << D40_SREG_CFG_ESIZE_POS;
+		dst |= cfg->dst_info.data_width << D40_SREG_CFG_ESIZE_POS;
+
+	} else {
+		/* Logical channel */
+		dst |= 1 << D40_SREG_CFG_LOG_GIM_POS;
+		src |= 1 << D40_SREG_CFG_LOG_GIM_POS;
+	}
+
+	if (cfg->channel_type & STEDMA40_HIGH_PRIORITY_CHANNEL) {
+		src |= 1 << D40_SREG_CFG_PRI_POS;
+		dst |= 1 << D40_SREG_CFG_PRI_POS;
+	}
+
+	src |= cfg->src_info.endianess << D40_SREG_CFG_LBE_POS;
+	dst |= cfg->dst_info.endianess << D40_SREG_CFG_LBE_POS;
+
+	*src_cfg = src;
+	*dst_cfg = dst;
+}
+
+int d40_phy_fill_lli(struct d40_phy_lli *lli,
+		     dma_addr_t data,
+		     u32 data_size,
+		     int psize,
+		     dma_addr_t next_lli,
+		     u32 reg_cfg,
+		     bool term_int,
+		     u32 data_width,
+		     bool is_device)
+{
+	int num_elems;
+
+	if (psize == STEDMA40_PSIZE_PHY_1)
+		num_elems = 1;
+	else
+		num_elems = 2 << psize;
+
+	/*
+	 * Size is 16bit. data_width is 8, 16, 32 or 64 bit
+	 * Block large than 64 KiB must be split.
+	 */
+	if (data_size > (0xffff << data_width))
+		return -EINVAL;
+
+	/* Must be aligned */
+	if (!IS_ALIGNED(data, 0x1 << data_width))
+		return -EINVAL;
+
+	/* Transfer size can't be smaller than (num_elms * elem_size) */
+	if (data_size < num_elems * (0x1 << data_width))
+		return -EINVAL;
+
+	/* The number of elements. IE now many chunks */
+	lli->reg_elt = (data_size >> data_width) << D40_SREG_ELEM_PHY_ECNT_POS;
+
+	/*
+	 * Distance to next element sized entry.
+	 * Usually the size of the element unless you want gaps.
+	 */
+	if (!is_device)
+		lli->reg_elt |= (0x1 << data_width) <<
+			D40_SREG_ELEM_PHY_EIDX_POS;
+
+	/* Where the data is */
+	lli->reg_ptr = data;
+	lli->reg_cfg = reg_cfg;
+
+	/* If this scatter list entry is the last one, no next link */
+	if (next_lli == 0)
+		lli->reg_lnk = 0x1 << D40_SREG_LNK_PHY_TCP_POS;
+	else
+		lli->reg_lnk = next_lli;
+
+	/* Set/clear interrupt generation on this link item.*/
+	if (term_int)
+		lli->reg_cfg |= 0x1 << D40_SREG_CFG_TIM_POS;
+	else
+		lli->reg_cfg &= ~(0x1 << D40_SREG_CFG_TIM_POS);
+
+	/* Post link */
+	lli->reg_lnk |= 0 << D40_SREG_LNK_PHY_PRE_POS;
+
+	return 0;
+}
+
+int d40_phy_sg_to_lli(struct scatterlist *sg,
+		      int sg_len,
+		      dma_addr_t target,
+		      struct d40_phy_lli *lli,
+		      dma_addr_t lli_phys,
+		      u32 reg_cfg,
+		      u32 data_width,
+		      int psize,
+		      bool term_int)
+{
+	int total_size = 0;
+	int i;
+	struct scatterlist *current_sg = sg;
+	dma_addr_t next_lli_phys;
+	dma_addr_t dst;
+	int err = 0;
+
+	for_each_sg(sg, current_sg, sg_len, i) {
+
+		total_size += sg_dma_len(current_sg);
+
+		/* If this scatter list entry is the last one, no next link */
+		if (sg_len - 1 == i)
+			next_lli_phys = 0;
+		else
+			next_lli_phys = ALIGN(lli_phys + (i + 1) *
+					      sizeof(struct d40_phy_lli),
+					      D40_LLI_ALIGN);
+
+		if (target)
+			dst = target;
+		else
+			dst = sg_phys(current_sg);
+
+		err = d40_phy_fill_lli(&lli[i],
+				       dst,
+				       sg_dma_len(current_sg),
+				       psize,
+				       next_lli_phys,
+				       reg_cfg,
+				       !next_lli_phys,
+				       data_width,
+				       target == dst);
+		if (err)
+			goto err;
+	}
+
+	return total_size;
+ err:
+	return err;
+}
+
+
+void d40_phy_lli_write(void __iomem *virtbase,
+		       u32 phy_chan_num,
+		       struct d40_phy_lli *lli_dst,
+		       struct d40_phy_lli *lli_src)
+{
+
+	writel(lli_src->reg_cfg, virtbase + D40_DREG_PCBASE +
+	       phy_chan_num * D40_DREG_PCDELTA + D40_CHAN_REG_SSCFG);
+	writel(lli_src->reg_elt, virtbase + D40_DREG_PCBASE +
+	       phy_chan_num * D40_DREG_PCDELTA + D40_CHAN_REG_SSELT);
+	writel(lli_src->reg_ptr, virtbase + D40_DREG_PCBASE +
+	       phy_chan_num * D40_DREG_PCDELTA + D40_CHAN_REG_SSPTR);
+	writel(lli_src->reg_lnk, virtbase + D40_DREG_PCBASE +
+	       phy_chan_num * D40_DREG_PCDELTA + D40_CHAN_REG_SSLNK);
+
+	writel(lli_dst->reg_cfg, virtbase + D40_DREG_PCBASE +
+	       phy_chan_num * D40_DREG_PCDELTA + D40_CHAN_REG_SDCFG);
+	writel(lli_dst->reg_elt, virtbase + D40_DREG_PCBASE +
+	       phy_chan_num * D40_DREG_PCDELTA + D40_CHAN_REG_SDELT);
+	writel(lli_dst->reg_ptr, virtbase + D40_DREG_PCBASE +
+	       phy_chan_num * D40_DREG_PCDELTA + D40_CHAN_REG_SDPTR);
+	writel(lli_dst->reg_lnk, virtbase + D40_DREG_PCBASE +
+	       phy_chan_num * D40_DREG_PCDELTA + D40_CHAN_REG_SDLNK);
+
+}
+
+/* DMA logical lli operations */
+
+void d40_log_fill_lli(struct d40_log_lli *lli,
+		      dma_addr_t data, u32 data_size,
+		      u32 lli_next_off, u32 reg_cfg,
+		      u32 data_width,
+		      bool term_int, bool addr_inc)
+{
+	lli->lcsp13 = reg_cfg;
+
+	/* The number of elements to transfer */
+	lli->lcsp02 = ((data_size >> data_width) <<
+		       D40_MEM_LCSP0_ECNT_POS) & D40_MEM_LCSP0_ECNT_MASK;
+	/* 16 LSBs address of the current element */
+	lli->lcsp02 |= data & D40_MEM_LCSP0_SPTR_MASK;
+	/* 16 MSBs address of the current element */
+	lli->lcsp13 |= data & D40_MEM_LCSP1_SPTR_MASK;
+
+	if (addr_inc)
+		lli->lcsp13 |= D40_MEM_LCSP1_SCFG_INCR_MASK;
+
+	lli->lcsp13 |= D40_MEM_LCSP3_DTCP_MASK;
+	/* If this scatter list entry is the last one, no next link */
+	lli->lcsp13 |= (lli_next_off << D40_MEM_LCSP1_SLOS_POS) &
+		D40_MEM_LCSP1_SLOS_MASK;
+
+	if (term_int)
+		lli->lcsp13 |= D40_MEM_LCSP1_SCFG_TIM_MASK;
+	else
+		lli->lcsp13 &= ~D40_MEM_LCSP1_SCFG_TIM_MASK;
+}
+
+int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
+		      struct scatterlist *sg,
+		      int sg_len,
+		      struct d40_log_lli_bidir *lli,
+		      struct d40_def_lcsp *lcsp,
+		      u32 src_data_width,
+		      u32 dst_data_width,
+		      enum dma_data_direction direction,
+		      bool term_int, dma_addr_t dev_addr, int max_len,
+		      int llis_per_log)
+{
+	int total_size = 0;
+	struct scatterlist *current_sg = sg;
+	int i;
+	u32 next_lli_off_dst;
+	u32 next_lli_off_src;
+
+	next_lli_off_src = 0;
+	next_lli_off_dst = 0;
+
+	for_each_sg(sg, current_sg, sg_len, i) {
+		total_size += sg_dma_len(current_sg);
+
+		/*
+		 * If this scatter list entry is the last one or
+		 * max length, terminate link.
+		 */
+		if (sg_len - 1 == i || ((i+1) % max_len == 0)) {
+			next_lli_off_src = 0;
+			next_lli_off_dst = 0;
+		} else {
+			if (next_lli_off_dst == 0 &&
+			    next_lli_off_src == 0) {
+				/* The first lli will be at next_lli_off */
+				next_lli_off_dst = (lcla->dst_id *
+						    llis_per_log + 1);
+				next_lli_off_src = (lcla->src_id *
+						    llis_per_log + 1);
+			} else {
+				next_lli_off_dst++;
+				next_lli_off_src++;
+			}
+		}
+
+		if (direction == DMA_TO_DEVICE) {
+			d40_log_fill_lli(&lli->src[i],
+					 sg_phys(current_sg),
+					 sg_dma_len(current_sg),
+					 next_lli_off_src,
+					 lcsp->lcsp1, src_data_width,
+					 term_int && !next_lli_off_src,
+					 true);
+			d40_log_fill_lli(&lli->dst[i],
+					 dev_addr,
+					 sg_dma_len(current_sg),
+					 next_lli_off_dst,
+					 lcsp->lcsp3, dst_data_width,
+					 /* No next == terminal interrupt */
+					 term_int && !next_lli_off_dst,
+					 false);
+		} else {
+			d40_log_fill_lli(&lli->dst[i],
+					 sg_phys(current_sg),
+					 sg_dma_len(current_sg),
+					 next_lli_off_dst,
+					 lcsp->lcsp3, dst_data_width,
+					 /* No next == terminal interrupt */
+					 term_int && !next_lli_off_dst,
+					 true);
+			d40_log_fill_lli(&lli->src[i],
+					 dev_addr,
+					 sg_dma_len(current_sg),
+					 next_lli_off_src,
+					 lcsp->lcsp1, src_data_width,
+					 term_int && !next_lli_off_src,
+					 false);
+		}
+	}
+	return total_size;
+}
+
+int d40_log_sg_to_lli(int lcla_id,
+		      struct scatterlist *sg,
+		      int sg_len,
+		      struct d40_log_lli *lli_sg,
+		      u32 lcsp13, /* src or dst*/
+		      u32 data_width,
+		      bool term_int, int max_len, int llis_per_log)
+{
+	int total_size = 0;
+	struct scatterlist *current_sg = sg;
+	int i;
+	u32 next_lli_off = 0;
+
+	for_each_sg(sg, current_sg, sg_len, i) {
+		total_size += sg_dma_len(current_sg);
+
+		/*
+		 * If this scatter list entry is the last one or
+		 * max length, terminate link.
+		 */
+		if (sg_len - 1 == i || ((i+1) % max_len == 0))
+			next_lli_off = 0;
+		else {
+			if (next_lli_off == 0)
+				/* The first lli will be at next_lli_off */
+				next_lli_off = lcla_id * llis_per_log + 1;
+			else
+				next_lli_off++;
+		}
+
+		d40_log_fill_lli(&lli_sg[i],
+				 sg_phys(current_sg),
+				 sg_dma_len(current_sg),
+				 next_lli_off,
+				 lcsp13, data_width,
+				 term_int && !next_lli_off,
+				 true);
+	}
+	return total_size;
+}
+
+void d40_log_lli_write(struct d40_log_lli_full *lcpa,
+		       struct d40_log_lli *lcla_src,
+		       struct d40_log_lli *lcla_dst,
+		       struct d40_log_lli *lli_dst,
+		       struct d40_log_lli *lli_src,
+		       int llis_per_log)
+{
+	u32 slos = 0;
+	u32 dlos = 0;
+	int i;
+
+	lcpa->lcsp0 = lli_src->lcsp02;
+	lcpa->lcsp1 = lli_src->lcsp13;
+	lcpa->lcsp2 = lli_dst->lcsp02;
+	lcpa->lcsp3 = lli_dst->lcsp13;
+
+	slos = lli_src->lcsp13 & D40_MEM_LCSP1_SLOS_MASK;
+	dlos = lli_dst->lcsp13 & D40_MEM_LCSP3_DLOS_MASK;
+
+	for (i = 0; (i < llis_per_log) && slos && dlos; i++) {
+		writel(lli_src[i+1].lcsp02, &lcla_src[i].lcsp02);
+		writel(lli_src[i+1].lcsp13, &lcla_src[i].lcsp13);
+		writel(lli_dst[i+1].lcsp02, &lcla_dst[i].lcsp02);
+		writel(lli_dst[i+1].lcsp13, &lcla_dst[i].lcsp13);
+
+		slos = lli_src[i+1].lcsp13 & D40_MEM_LCSP1_SLOS_MASK;
+		dlos = lli_dst[i+1].lcsp13 & D40_MEM_LCSP3_DLOS_MASK;
+	}
+}
diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h
new file mode 100644
index 00000000000..2029280cb33
--- /dev/null
+++ b/drivers/dma/ste_dma40_ll.h
@@ -0,0 +1,354 @@
+/*
+ * driver/dma/ste_dma40_ll.h
+ *
+ * Copyright (C) ST-Ericsson 2007-2010
+ * License terms: GNU General Public License (GPL) version 2
+ * Author: Per Friden <per.friden@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ */
+#ifndef STE_DMA40_LL_H
+#define STE_DMA40_LL_H
+
+#define D40_DREG_PCBASE		0x400
+#define D40_DREG_PCDELTA	(8 * 4)
+#define D40_LLI_ALIGN		16 /* LLI alignment must be 16 bytes. */
+
+#define D40_TYPE_TO_GROUP(type) (type / 16)
+#define D40_TYPE_TO_EVENT(type) (type % 16)
+
+/* Most bits of the CFG register are the same in log as in phy mode */
+#define D40_SREG_CFG_MST_POS		15
+#define D40_SREG_CFG_TIM_POS		14
+#define D40_SREG_CFG_EIM_POS		13
+#define D40_SREG_CFG_LOG_INCR_POS	12
+#define D40_SREG_CFG_PHY_PEN_POS	12
+#define D40_SREG_CFG_PSIZE_POS		10
+#define D40_SREG_CFG_ESIZE_POS		 8
+#define D40_SREG_CFG_PRI_POS		 7
+#define D40_SREG_CFG_LBE_POS		 6
+#define D40_SREG_CFG_LOG_GIM_POS	 5
+#define D40_SREG_CFG_LOG_MFU_POS	 4
+#define D40_SREG_CFG_PHY_TM_POS		 4
+#define D40_SREG_CFG_PHY_EVTL_POS	 0
+
+
+/* Standard channel parameters - basic mode (element register) */
+#define D40_SREG_ELEM_PHY_ECNT_POS	16
+#define D40_SREG_ELEM_PHY_EIDX_POS	 0
+
+#define D40_SREG_ELEM_PHY_ECNT_MASK	(0xFFFF << D40_SREG_ELEM_PHY_ECNT_POS)
+
+/* Standard channel parameters - basic mode (Link register) */
+#define D40_SREG_LNK_PHY_TCP_POS	0
+#define D40_SREG_LNK_PHY_LMP_POS	1
+#define D40_SREG_LNK_PHY_PRE_POS	2
+/*
+ * Source  destination link address. Contains the
+ * 29-bit byte word aligned address of the reload area.
+ */
+#define D40_SREG_LNK_PHYS_LNK_MASK	0xFFFFFFF8UL
+
+/* Standard basic channel logical mode */
+
+/* Element register */
+#define D40_SREG_ELEM_LOG_ECNT_POS	16
+#define D40_SREG_ELEM_LOG_LIDX_POS	 8
+#define D40_SREG_ELEM_LOG_LOS_POS	 1
+#define D40_SREG_ELEM_LOG_TCP_POS	 0
+
+#define D40_SREG_ELEM_LOG_LIDX_MASK	(0xFF << D40_SREG_ELEM_LOG_LIDX_POS)
+
+/* Link register */
+#define D40_DEACTIVATE_EVENTLINE	0x0
+#define D40_ACTIVATE_EVENTLINE		0x1
+#define D40_EVENTLINE_POS(i)		(2 * i)
+#define D40_EVENTLINE_MASK(i)		(0x3 << D40_EVENTLINE_POS(i))
+
+/* Standard basic channel logical params in memory */
+
+/* LCSP0 */
+#define D40_MEM_LCSP0_ECNT_POS		16
+#define D40_MEM_LCSP0_SPTR_POS		 0
+
+#define D40_MEM_LCSP0_ECNT_MASK		(0xFFFF << D40_MEM_LCSP0_ECNT_POS)
+#define D40_MEM_LCSP0_SPTR_MASK		(0xFFFF << D40_MEM_LCSP0_SPTR_POS)
+
+/* LCSP1 */
+#define D40_MEM_LCSP1_SPTR_POS		16
+#define D40_MEM_LCSP1_SCFG_MST_POS	15
+#define D40_MEM_LCSP1_SCFG_TIM_POS	14
+#define D40_MEM_LCSP1_SCFG_EIM_POS	13
+#define D40_MEM_LCSP1_SCFG_INCR_POS	12
+#define D40_MEM_LCSP1_SCFG_PSIZE_POS	10
+#define D40_MEM_LCSP1_SCFG_ESIZE_POS	 8
+#define D40_MEM_LCSP1_SLOS_POS		 1
+#define D40_MEM_LCSP1_STCP_POS		 0
+
+#define D40_MEM_LCSP1_SPTR_MASK		(0xFFFF << D40_MEM_LCSP1_SPTR_POS)
+#define D40_MEM_LCSP1_SCFG_TIM_MASK	(0x1 << D40_MEM_LCSP1_SCFG_TIM_POS)
+#define D40_MEM_LCSP1_SCFG_INCR_MASK	(0x1 << D40_MEM_LCSP1_SCFG_INCR_POS)
+#define D40_MEM_LCSP1_SCFG_PSIZE_MASK	(0x3 << D40_MEM_LCSP1_SCFG_PSIZE_POS)
+#define D40_MEM_LCSP1_SLOS_MASK		(0x7F << D40_MEM_LCSP1_SLOS_POS)
+#define D40_MEM_LCSP1_STCP_MASK		(0x1 << D40_MEM_LCSP1_STCP_POS)
+
+/* LCSP2 */
+#define D40_MEM_LCSP2_ECNT_POS		16
+
+#define D40_MEM_LCSP2_ECNT_MASK		(0xFFFF << D40_MEM_LCSP2_ECNT_POS)
+
+/* LCSP3 */
+#define D40_MEM_LCSP3_DCFG_MST_POS	15
+#define D40_MEM_LCSP3_DCFG_TIM_POS	14
+#define D40_MEM_LCSP3_DCFG_EIM_POS	13
+#define D40_MEM_LCSP3_DCFG_INCR_POS	12
+#define D40_MEM_LCSP3_DCFG_PSIZE_POS	10
+#define D40_MEM_LCSP3_DCFG_ESIZE_POS	 8
+#define D40_MEM_LCSP3_DLOS_POS		 1
+#define D40_MEM_LCSP3_DTCP_POS		 0
+
+#define D40_MEM_LCSP3_DLOS_MASK		(0x7F << D40_MEM_LCSP3_DLOS_POS)
+#define D40_MEM_LCSP3_DTCP_MASK		(0x1 << D40_MEM_LCSP3_DTCP_POS)
+
+
+/* Standard channel parameter register offsets */
+#define D40_CHAN_REG_SSCFG	0x00
+#define D40_CHAN_REG_SSELT	0x04
+#define D40_CHAN_REG_SSPTR	0x08
+#define D40_CHAN_REG_SSLNK	0x0C
+#define D40_CHAN_REG_SDCFG	0x10
+#define D40_CHAN_REG_SDELT	0x14
+#define D40_CHAN_REG_SDPTR	0x18
+#define D40_CHAN_REG_SDLNK	0x1C
+
+/* DMA Register Offsets */
+#define D40_DREG_GCC		0x000
+#define D40_DREG_PRTYP		0x004
+#define D40_DREG_PRSME		0x008
+#define D40_DREG_PRSMO		0x00C
+#define D40_DREG_PRMSE		0x010
+#define D40_DREG_PRMSO		0x014
+#define D40_DREG_PRMOE		0x018
+#define D40_DREG_PRMOO		0x01C
+#define D40_DREG_LCPA		0x020
+#define D40_DREG_LCLA		0x024
+#define D40_DREG_ACTIVE		0x050
+#define D40_DREG_ACTIVO		0x054
+#define D40_DREG_FSEB1		0x058
+#define D40_DREG_FSEB2		0x05C
+#define D40_DREG_PCMIS		0x060
+#define D40_DREG_PCICR		0x064
+#define D40_DREG_PCTIS		0x068
+#define D40_DREG_PCEIS		0x06C
+#define D40_DREG_LCMIS0		0x080
+#define D40_DREG_LCMIS1		0x084
+#define D40_DREG_LCMIS2		0x088
+#define D40_DREG_LCMIS3		0x08C
+#define D40_DREG_LCICR0		0x090
+#define D40_DREG_LCICR1		0x094
+#define D40_DREG_LCICR2		0x098
+#define D40_DREG_LCICR3		0x09C
+#define D40_DREG_LCTIS0		0x0A0
+#define D40_DREG_LCTIS1		0x0A4
+#define D40_DREG_LCTIS2		0x0A8
+#define D40_DREG_LCTIS3		0x0AC
+#define D40_DREG_LCEIS0		0x0B0
+#define D40_DREG_LCEIS1		0x0B4
+#define D40_DREG_LCEIS2		0x0B8
+#define D40_DREG_LCEIS3		0x0BC
+#define D40_DREG_STFU		0xFC8
+#define D40_DREG_ICFG		0xFCC
+#define D40_DREG_PERIPHID0	0xFE0
+#define D40_DREG_PERIPHID1	0xFE4
+#define D40_DREG_PERIPHID2	0xFE8
+#define D40_DREG_PERIPHID3	0xFEC
+#define D40_DREG_CELLID0	0xFF0
+#define D40_DREG_CELLID1	0xFF4
+#define D40_DREG_CELLID2	0xFF8
+#define D40_DREG_CELLID3	0xFFC
+
+/* LLI related structures */
+
+/**
+ * struct d40_phy_lli - The basic configration register for each physical
+ * channel.
+ *
+ * @reg_cfg: The configuration register.
+ * @reg_elt: The element register.
+ * @reg_ptr: The pointer register.
+ * @reg_lnk: The link register.
+ *
+ * These registers are set up for both physical and logical transfers
+ * Note that the bit in each register means differently in logical and
+ * physical(standard) mode.
+ *
+ * This struct must be 16 bytes aligned, and only contain physical registers
+ * since it will be directly accessed by the DMA.
+ */
+struct d40_phy_lli {
+	u32 reg_cfg;
+	u32 reg_elt;
+	u32 reg_ptr;
+	u32 reg_lnk;
+};
+
+/**
+ * struct d40_phy_lli_bidir - struct for a transfer.
+ *
+ * @src: Register settings for src channel.
+ * @dst: Register settings for dst channel.
+ * @dst_addr: Physical destination address.
+ * @src_addr: Physical source address.
+ *
+ * All DMA transfers have a source and a destination.
+ */
+
+struct d40_phy_lli_bidir {
+	struct d40_phy_lli	*src;
+	struct d40_phy_lli	*dst;
+	dma_addr_t		 dst_addr;
+	dma_addr_t		 src_addr;
+};
+
+
+/**
+ * struct d40_log_lli - logical lli configuration
+ *
+ * @lcsp02: Either maps to register lcsp0 if src or lcsp2 if dst.
+ * @lcsp13: Either maps to register lcsp1 if src or lcsp3 if dst.
+ *
+ * This struct must be 8 bytes aligned since it will be accessed directy by
+ * the DMA. Never add any none hw mapped registers to this struct.
+ */
+
+struct d40_log_lli {
+	u32 lcsp02;
+	u32 lcsp13;
+};
+
+/**
+ * struct d40_log_lli_bidir - For both src and dst
+ *
+ * @src: pointer to src lli configuration.
+ * @dst: pointer to dst lli configuration.
+ *
+ * You always have a src and a dst when doing DMA transfers.
+ */
+
+struct d40_log_lli_bidir {
+	struct d40_log_lli *src;
+	struct d40_log_lli *dst;
+};
+
+/**
+ * struct d40_log_lli_full - LCPA layout
+ *
+ * @lcsp0: Logical Channel Standard Param 0 - Src.
+ * @lcsp1: Logical Channel Standard Param 1 - Src.
+ * @lcsp2: Logical Channel Standard Param 2 - Dst.
+ * @lcsp3: Logical Channel Standard Param 3 - Dst.
+ *
+ * This struct maps to LCPA physical memory layout. Must map to
+ * the hw.
+ */
+struct d40_log_lli_full {
+	u32 lcsp0;
+	u32 lcsp1;
+	u32 lcsp2;
+	u32 lcsp3;
+};
+
+/**
+ * struct d40_def_lcsp - Default LCSP1 and LCSP3 settings
+ *
+ * @lcsp3: The default configuration for dst.
+ * @lcsp1: The default configuration for src.
+ */
+struct d40_def_lcsp {
+	u32 lcsp3;
+	u32 lcsp1;
+};
+
+/**
+ * struct d40_lcla_elem - Info for one LCA element.
+ *
+ * @src_id: logical channel src id
+ * @dst_id: logical channel dst id
+ * @src: LCPA formated src parameters
+ * @dst: LCPA formated dst parameters
+ *
+ */
+struct d40_lcla_elem {
+	int			src_id;
+	int			dst_id;
+	struct d40_log_lli     *src;
+	struct d40_log_lli     *dst;
+};
+
+/* Physical channels */
+
+void d40_phy_cfg(struct stedma40_chan_cfg *cfg,
+		 u32 *src_cfg, u32 *dst_cfg, bool is_log);
+
+void d40_log_cfg(struct stedma40_chan_cfg *cfg,
+		 u32 *lcsp1, u32 *lcsp2);
+
+int d40_phy_sg_to_lli(struct scatterlist *sg,
+		      int sg_len,
+		      dma_addr_t target,
+		      struct d40_phy_lli *lli,
+		      dma_addr_t lli_phys,
+		      u32 reg_cfg,
+		      u32 data_width,
+		      int psize,
+		      bool term_int);
+
+int d40_phy_fill_lli(struct d40_phy_lli *lli,
+		     dma_addr_t data,
+		     u32 data_size,
+		     int psize,
+		     dma_addr_t next_lli,
+		     u32 reg_cfg,
+		     bool term_int,
+		     u32 data_width,
+		     bool is_device);
+
+void d40_phy_lli_write(void __iomem *virtbase,
+		       u32 phy_chan_num,
+		       struct d40_phy_lli *lli_dst,
+		       struct d40_phy_lli *lli_src);
+
+/* Logical channels */
+
+void d40_log_fill_lli(struct d40_log_lli *lli,
+		      dma_addr_t data, u32 data_size,
+		      u32 lli_next_off, u32 reg_cfg,
+		      u32 data_width,
+		      bool term_int, bool addr_inc);
+
+int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
+		      struct scatterlist *sg,
+		      int sg_len,
+		      struct d40_log_lli_bidir *lli,
+		      struct d40_def_lcsp *lcsp,
+		      u32 src_data_width,
+		      u32 dst_data_width,
+		      enum dma_data_direction direction,
+		      bool term_int, dma_addr_t dev_addr, int max_len,
+		      int llis_per_log);
+
+void d40_log_lli_write(struct d40_log_lli_full *lcpa,
+		       struct d40_log_lli *lcla_src,
+		       struct d40_log_lli *lcla_dst,
+		       struct d40_log_lli *lli_dst,
+		       struct d40_log_lli *lli_src,
+		       int llis_per_log);
+
+int d40_log_sg_to_lli(int lcla_id,
+		      struct scatterlist *sg,
+		      int sg_len,
+		      struct d40_log_lli *lli_sg,
+		      u32 lcsp13, /* src or dst*/
+		      u32 data_width,
+		      bool term_int, int max_len, int llis_per_log);
+
+#endif /* STE_DMA40_LLI_H */

From 36213e1e40fb863e2e8ef607b2958504b48f6b8e Mon Sep 17 00:00:00 2001
From: Stephane Chatty <chatty@lii-enac.fr>
Date: Thu, 15 Apr 2010 00:28:11 +0200
Subject: [PATCH 0454/3638] HID: added support for the Cando dual touch panel

Added support for the Cando dual touch panels, found in the Lenovo S10-3t.

Signed-off-by: Stephane Chatty <chatty@enac.fr>
Tested-by: Priya Vijayan <priya.vijayan@intel.com>
Tested-by: Florian Echtler <floe@butterbrot.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig     |   6 +
 drivers/hid/Makefile    |   1 +
 drivers/hid/hid-cando.c | 267 ++++++++++++++++++++++++++++++++++++++++
 drivers/hid/hid-core.c  |   1 +
 drivers/hid/hid-ids.h   |   3 +
 5 files changed, 278 insertions(+)
 create mode 100644 drivers/hid/hid-cando.c

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 71d4c070362..7447e7a55cb 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -86,6 +86,12 @@ config HID_BELKIN
 	---help---
 	Support for Belkin Flip KVM and Wireless keyboard.
 
+config HID_CANDO
+	tristate "Cando dual touch panel"
+	depends on USB_HID
+	---help---
+	Support for Cando dual touch panel.
+
 config HID_CHERRY
 	tristate "Cherry" if EMBEDDED
 	depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 0b2618f092c..4c45b447504 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_HID_3M_PCT)	+= hid-3m-pct.o
 obj-$(CONFIG_HID_A4TECH)	+= hid-a4tech.o
 obj-$(CONFIG_HID_APPLE)		+= hid-apple.o
 obj-$(CONFIG_HID_BELKIN)	+= hid-belkin.o
+obj-$(CONFIG_HID_CANDO)		+= hid-cando.o
 obj-$(CONFIG_HID_CHERRY)	+= hid-cherry.o
 obj-$(CONFIG_HID_CHICONY)	+= hid-chicony.o
 obj-$(CONFIG_HID_CYPRESS)	+= hid-cypress.o
diff --git a/drivers/hid/hid-cando.c b/drivers/hid/hid-cando.c
new file mode 100644
index 00000000000..4fc8f513dcc
--- /dev/null
+++ b/drivers/hid/hid-cando.c
@@ -0,0 +1,267 @@
+/*
+ *  HID driver for Cando dual-touch panels
+ *
+ *  Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
+ *
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
+MODULE_DESCRIPTION("Cando dual-touch panel");
+MODULE_LICENSE("GPL");
+
+#include "hid-ids.h"
+
+struct cando_data {
+	__u16 x, y;
+	__u8 id;
+	__s8 oldest;		/* id of the oldest finger in previous frame */
+	bool valid;		/* valid finger data, or just placeholder? */
+	bool first;		/* is this the first finger in this frame? */
+	__s8 firstid;		/* id of the first finger in the frame */
+	__u16 firstx, firsty;	/* (x, y) of the first finger in the frame */
+};
+
+static int cando_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	switch (usage->hid & HID_USAGE_PAGE) {
+
+	case HID_UP_GENDESK:
+		switch (usage->hid) {
+		case HID_GD_X:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_POSITION_X);
+			/* touchscreen emulation */
+			input_set_abs_params(hi->input, ABS_X,
+						field->logical_minimum,
+						field->logical_maximum, 0, 0);
+			return 1;
+		case HID_GD_Y:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_POSITION_Y);
+			/* touchscreen emulation */
+			input_set_abs_params(hi->input, ABS_Y,
+						field->logical_minimum,
+						field->logical_maximum, 0, 0);
+			return 1;
+		}
+		return 0;
+
+	case HID_UP_DIGITIZER:
+		switch (usage->hid) {
+		case HID_DG_TIPSWITCH:
+		case HID_DG_CONTACTMAX:
+			return -1;
+		case HID_DG_INRANGE:
+			/* touchscreen emulation */
+			hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
+			return 1;
+		case HID_DG_CONTACTID:
+			hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_TRACKING_ID);
+			return 1;
+		}
+		return 0;
+	}
+
+	return 0;
+}
+
+static int cando_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if (usage->type == EV_KEY || usage->type == EV_ABS)
+		clear_bit(usage->code, *bit);
+
+	return 0;
+}
+
+/*
+ * this function is called when a whole finger has been parsed,
+ * so that it can decide what to send to the input layer.
+ */
+static void cando_filter_event(struct cando_data *td, struct input_dev *input)
+{
+	td->first = !td->first; /* touchscreen emulation */
+
+	if (!td->valid) {
+		/*
+		 * touchscreen emulation: if this is the second finger and
+		 * the first was valid, the first was the oldest; if the
+		 * first was not valid and there was a valid finger in the
+		 * previous frame, this is a release.
+		 */
+		if (td->first) {
+			td->firstid = -1;
+		} else if (td->firstid >= 0) {
+			input_event(input, EV_ABS, ABS_X, td->firstx);
+			input_event(input, EV_ABS, ABS_Y, td->firsty);
+			td->oldest = td->firstid;
+		} else if (td->oldest >= 0) {
+			input_event(input, EV_KEY, BTN_TOUCH, 0);
+			td->oldest = -1;
+		}
+
+		return;
+	}
+	
+	input_event(input, EV_ABS, ABS_MT_TRACKING_ID, td->id);
+	input_event(input, EV_ABS, ABS_MT_POSITION_X, td->x);
+	input_event(input, EV_ABS, ABS_MT_POSITION_Y, td->y);
+
+	input_mt_sync(input);
+
+	/*
+	 * touchscreen emulation: if there was no touching finger previously,
+	 * emit touch event
+	 */
+	if (td->oldest < 0) {
+		input_event(input, EV_KEY, BTN_TOUCH, 1);
+		td->oldest = td->id;
+	}
+
+	/*
+	 * touchscreen emulation: if this is the first finger, wait for the
+	 * second; the oldest is then the second if it was the oldest already
+	 * or if there was no first, the first otherwise.
+	 */
+	if (td->first) {
+		td->firstx = td->x;
+		td->firsty = td->y;
+		td->firstid = td->id;
+	} else {
+		int x, y, oldest;
+		if (td->id == td->oldest || td->firstid < 0) {
+			x = td->x;
+			y = td->y;
+			oldest = td->id;
+		} else {
+			x = td->firstx;
+			y = td->firsty;
+			oldest = td->firstid;
+		}
+		input_event(input, EV_ABS, ABS_X, x);
+		input_event(input, EV_ABS, ABS_Y, y);
+		td->oldest = oldest;
+	}
+}
+
+
+static int cando_event(struct hid_device *hid, struct hid_field *field,
+				struct hid_usage *usage, __s32 value)
+{
+	struct cando_data *td = hid_get_drvdata(hid);
+
+	if (hid->claimed & HID_CLAIMED_INPUT) {
+		struct input_dev *input = field->hidinput->input;
+
+		switch (usage->hid) {
+		case HID_DG_INRANGE:
+			td->valid = value;
+			break;
+		case HID_DG_CONTACTID:
+			td->id = value;
+			break;
+		case HID_GD_X:
+			td->x = value;
+			break;
+		case HID_GD_Y:
+			td->y = value;
+			cando_filter_event(td, input);
+			break;
+		case HID_DG_TIPSWITCH:
+			/* avoid interference from generic hidinput handling */
+			break;
+
+		default:
+			/* fallback to the generic hidinput handling */
+			return 0;
+		}
+	}
+
+	/* we have handled the hidinput part, now remains hiddev */
+	if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
+		hid->hiddev_hid_event(hid, field, usage, value);
+
+	return 1;
+}
+
+static int cando_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int ret;
+	struct cando_data *td;
+
+	td = kmalloc(sizeof(struct cando_data), GFP_KERNEL);
+	if (!td) {
+		dev_err(&hdev->dev, "cannot allocate Cando Touch data\n");
+		return -ENOMEM;
+	}
+	hid_set_drvdata(hdev, td);
+
+	ret = hid_parse(hdev);
+	if (!ret)
+		ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+
+	if (ret)
+		kfree(td);
+
+	return ret;
+}
+
+static void cando_remove(struct hid_device *hdev)
+{
+	hid_hw_stop(hdev);
+	kfree(hid_get_drvdata(hdev));
+	hid_set_drvdata(hdev, NULL);
+}
+
+static const struct hid_device_id cando_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
+			USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, cando_devices);
+
+static const struct hid_usage_id cando_grabbed_usages[] = {
+	{ HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
+	{ HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
+};
+
+static struct hid_driver cando_driver = {
+	.name = "cando-touch",
+	.id_table = cando_devices,
+	.probe = cando_probe,
+	.remove = cando_remove,
+	.input_mapping = cando_input_mapping,
+	.input_mapped = cando_input_mapped,
+	.usage_table = cando_grabbed_usages,
+	.event = cando_event,
+};
+
+static int __init cando_init(void)
+{
+	return hid_register_driver(&cando_driver);
+}
+
+static void __exit cando_exit(void)
+{
+	hid_unregister_driver(&cando_driver);
+}
+
+module_init(cando_init);
+module_exit(cando_exit);
+
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 2e2aa759d23..fefbe3fdf8e 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1295,6 +1295,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 797e0647035..635970462ea 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -123,6 +123,9 @@
 #define USB_VENDOR_ID_BERKSHIRE		0x0c98
 #define USB_DEVICE_ID_BERKSHIRE_PCWD	0x1140
 
+#define USB_VENDOR_ID_CANDO		0x2087
+#define USB_DEVICE_ID_CANDO_MULTI_TOUCH 0x0a01
+
 #define USB_VENDOR_ID_CH		0x068e
 #define USB_DEVICE_ID_CH_PRO_PEDALS	0x00f2
 #define USB_DEVICE_ID_CH_COMBATSTICK	0x00f4

From b6ac23af2c66e114d3a87ef28d56f1ceec283007 Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Thu, 15 Apr 2010 08:54:59 +0200
Subject: [PATCH 0455/3638] blkio: fix for modular blk-cgroup build

After merging the block tree, 20100414's linux-next build (x86_64
allmodconfig) failed like this:

ERROR: "get_gendisk" [block/blk-cgroup.ko] undefined!
ERROR: "sched_clock" [block/blk-cgroup.ko] undefined!

This happens because the two symbols aren't exported and hence not available
when blk-cgroup code is built as a module. I've tried to stay consistent with
the use of EXPORT_SYMBOL or EXPORT_SYMBOL_GPL with the other symbols in the
respective files.

Signed-off-by: Divyesh Shah <dpshah@google.com>
Acked-by: Gui Jianfeng <guijianfeng@cn.fujitsu.cn>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/genhd.c        | 1 +
 kernel/sched_clock.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/block/genhd.c b/block/genhd.c
index d13ba76a169..154b5f80b3a 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -596,6 +596,7 @@ struct gendisk *get_gendisk(dev_t devt, int *partno)
 
 	return disk;
 }
+EXPORT_SYMBOL(get_gendisk);
 
 /**
  * bdget_disk - do bdget() by gendisk and partition number
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c
index 5b496132c28..906a0f718cb 100644
--- a/kernel/sched_clock.c
+++ b/kernel/sched_clock.c
@@ -41,6 +41,7 @@ unsigned long long __attribute__((weak)) sched_clock(void)
 	return (unsigned long long)(jiffies - INITIAL_JIFFIES)
 					* (NSEC_PER_SEC / HZ);
 }
+EXPORT_SYMBOL_GPL(sched_clock);
 
 static __read_mostly int sched_clock_running;
 

From 54a4ec469dd6067f0b604bef8ca01a2b1fdb4dcd Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Thu, 15 Apr 2010 02:17:25 -0700
Subject: [PATCH 0456/3638] ide: fix comment typo in ide.h

Fix typo in the comment to the 'dma_mode' field of the 'struct ide_drive_s'
introduced by the commit 3fccaa192b9501e79a57e02e62b6bf420d2b461e (ide: add
drive->dma_mode field).

Whilt at it, convert spaces to a tab in the declaration of the neighbouring
'dn' field...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/ide.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 3239d1c10ac..5acdbe51348 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -516,8 +516,8 @@ struct ide_drive_s {
         u8	current_speed;	/* current transfer rate set */
 	u8	desired_speed;	/* desired transfer rate set */
 	u8	pio_mode;	/* for ->set_pio_mode _only_ */
-	u8	dma_mode;	/* for ->dma_pio_mode _only_ */
-        u8	dn;		/* now wide spread use */
+	u8	dma_mode;	/* for ->set_dma_mode _only_ */
+	u8	dn;		/* now wide spread use */
 	u8	acoustic;	/* acoustic management */
 	u8	media;		/* disk, cdrom, tape, floppy, ... */
 	u8	ready_stat;	/* min status value for drive ready */

From ec1a123afdbe6a14ee93df03e2a829ad9884693e Mon Sep 17 00:00:00 2001
From: Yegor Yefremov <yegorslists@googlemail.com>
Date: Thu, 15 Apr 2010 14:20:53 -0700
Subject: [PATCH 0457/3638] IDE: pass IRQ flags to the IDE core

This enables shared IRQs and other features to be used with platform devices

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ide/ide_platform.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ide/ide_platform.c b/drivers/ide/ide_platform.c
index 42965b3e30b..542603b394e 100644
--- a/drivers/ide/ide_platform.c
+++ b/drivers/ide/ide_platform.c
@@ -95,6 +95,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev)
 	plat_ide_setup_ports(&hw, base, alt_base, pdata, res_irq->start);
 	hw.dev = &pdev->dev;
 
+	d.irq_flags = res_irq->flags;
 	if (mmio)
 		d.host_flags |= IDE_HFLAG_MMIO;
 

From 8d2a91f8960b230b8bbcc4d97ed2015f5271c87d Mon Sep 17 00:00:00 2001
From: Divyesh Shah <dpshah@google.com>
Date: Fri, 16 Apr 2010 08:10:51 +0200
Subject: [PATCH 0458/3638] blkio: Initialize blkg->stats_lock for the root
 cfqg too

This fixes the lockdep warning reported by Gui Jianfeng.

Signed-off-by: Divyesh Shah <dpshah@google.com>
Reviewed-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c  | 7 +------
 block/blk-cgroup.h  | 2 --
 block/cfq-iosched.c | 1 -
 3 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 80c1261a7d3..83930f65016 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -86,12 +86,6 @@ struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup)
 }
 EXPORT_SYMBOL_GPL(cgroup_to_blkio_cgroup);
 
-void blkio_group_init(struct blkio_group *blkg)
-{
-	spin_lock_init(&blkg->stats_lock);
-}
-EXPORT_SYMBOL_GPL(blkio_group_init);
-
 /*
  * Add to the appropriate stat variable depending on the request type.
  * This should be called with the blkg->stats_lock held.
@@ -349,6 +343,7 @@ void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 	unsigned long flags;
 
 	spin_lock_irqsave(&blkcg->lock, flags);
+	spin_lock_init(&blkg->stats_lock);
 	rcu_assign_pointer(blkg->key, key);
 	blkg->blkcg_id = css_id(&blkcg->css);
 	hlist_add_head_rcu(&blkg->blkcg_node, &blkcg->blkg_list);
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 1d409ad9c6e..2c956a06339 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -217,7 +217,6 @@ extern void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 extern int blkiocg_del_blkio_group(struct blkio_group *blkg);
 extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg,
 						void *key);
-void blkio_group_init(struct blkio_group *blkg);
 void blkiocg_update_timeslice_used(struct blkio_group *blkg,
 					unsigned long time);
 void blkiocg_update_dispatch_stats(struct blkio_group *blkg, uint64_t bytes,
@@ -235,7 +234,6 @@ struct cgroup;
 static inline struct blkio_cgroup *
 cgroup_to_blkio_cgroup(struct cgroup *cgroup) { return NULL; }
 
-static inline void blkio_group_init(struct blkio_group *blkg) {}
 static inline void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 			struct blkio_group *blkg, void *key, dev_t dev) {}
 
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 01771098355..62defd05518 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -961,7 +961,6 @@ cfq_find_alloc_cfqg(struct cfq_data *cfqd, struct cgroup *cgroup, int create)
 	for_each_cfqg_st(cfqg, i, j, st)
 		*st = CFQ_RB_ROOT;
 	RB_CLEAR_NODE(&cfqg->rb_node);
-	blkio_group_init(&cfqg->blkg);
 
 	/*
 	 * Take the initial reference that will be released on destroy

From a3bcbbee83f55cbaec9b2ad748e7300c7feb2192 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Mon, 12 Apr 2010 23:33:22 +0200
Subject: [PATCH 0459/3638] pda_power: Add function callbacks for suspend and
 resume

Add function prototypes for power management events so they can be
handled and used by platform implementations.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/pda_power.c | 10 ++++++++++
 include/linux/pda_power.h |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index a232de6a570..69f8aa3a6a4 100644
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -404,6 +404,13 @@ static int usb_wakeup_enabled;
 
 static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
 {
+	if (pdata->suspend) {
+		int ret = pdata->suspend(state);
+
+		if (ret)
+			return ret;
+	}
+
 	if (device_may_wakeup(&pdev->dev)) {
 		if (ac_irq)
 			ac_wakeup_enabled = !enable_irq_wake(ac_irq->start);
@@ -423,6 +430,9 @@ static int pda_power_resume(struct platform_device *pdev)
 			disable_irq_wake(ac_irq->start);
 	}
 
+	if (pdata->resume)
+		return pdata->resume();
+
 	return 0;
 }
 #else
diff --git a/include/linux/pda_power.h b/include/linux/pda_power.h
index d4cf7a2ceb3..c9e4d814ff7 100644
--- a/include/linux/pda_power.h
+++ b/include/linux/pda_power.h
@@ -24,6 +24,8 @@ struct pda_power_pdata {
 	int (*is_usb_online)(void);
 	void (*set_charge)(int flags);
 	void (*exit)(struct device *dev);
+	int (*suspend)(pm_message_t state);
+	int (*resume)(void);
 
 	char **supplied_to;
 	size_t num_supplicants;

From 77ffb5979de59efd1a6b280b10d647b09285bee0 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 12 Apr 2010 11:38:44 -0400
Subject: [PATCH 0460/3638] drm/i915/pch: Use minimal number of FDI lanes (v2)

This should be a small power savings. Tested on Lenovo T410 (Ironlake), LVDS
VGA and DisplayPort, up to 1920x1200R.

v2: Add Sandybridge support, fix obvious math error.

Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_display.c | 26 ++++++++++++++++++++------
 drivers/gpu/drm/i915/intel_drv.h     |  1 +
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9fdea06f3e7..58668c407f6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1507,7 +1507,8 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
 	/* enable CPU FDI TX and PCH FDI RX */
 	temp = I915_READ(fdi_tx_reg);
 	temp |= FDI_TX_ENABLE;
-	temp |= FDI_DP_PORT_WIDTH_X4; /* default */
+	temp &= ~(7 << 19);
+	temp |= (intel_crtc->fdi_lanes - 1) << 19;
 	temp &= ~FDI_LINK_TRAIN_NONE;
 	temp |= FDI_LINK_TRAIN_PATTERN_1;
 	I915_WRITE(fdi_tx_reg, temp);
@@ -1607,7 +1608,8 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc)
 	/* enable CPU FDI TX and PCH FDI RX */
 	temp = I915_READ(fdi_tx_reg);
 	temp |= FDI_TX_ENABLE;
-	temp |= FDI_DP_PORT_WIDTH_X4; /* default */
+	temp &= ~(7 << 19);
+	temp |= (intel_crtc->fdi_lanes - 1) << 19;
 	temp &= ~FDI_LINK_TRAIN_NONE;
 	temp |= FDI_LINK_TRAIN_PATTERN_1;
 	temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
@@ -1769,8 +1771,9 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 			 */
 			temp &= ~(0x7 << 16);
 			temp |= (pipe_bpc << 11);
-			I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE |
-					FDI_DP_PORT_WIDTH_X4); /* default 4 lanes */
+			temp &= ~(7 << 19);
+			temp |= (intel_crtc->fdi_lanes - 1) << 19;
+			I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
 			I915_READ(fdi_rx_reg);
 			udelay(200);
 
@@ -3368,7 +3371,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 	/* FDI link */
 	if (HAS_PCH_SPLIT(dev)) {
-		int lane, link_bw, bpp;
+		int lane = 0, link_bw, bpp;
 		/* eDP doesn't require FDI link, so just set DP M/N
 		   according to current link config */
 		if (is_edp) {
@@ -3382,7 +3385,6 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 				target_clock = mode->clock;
 			else
 				target_clock = adjusted_mode->clock;
-			lane = 4;
 			link_bw = 270000;
 		}
 
@@ -3434,6 +3436,18 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			bpp = 24;
 		}
 
+		if (!lane) {
+			/* 
+			 * Account for spread spectrum to avoid
+			 * oversubscribing the link. Max center spread
+			 * is 2.5%; use 5% for safety's sake.
+			 */
+			u32 bps = target_clock * bpp * 21 / 20;
+			lane = bps / (link_bw * 8) + 1;
+		}
+
+		intel_crtc->fdi_lanes = lane;
+
 		ironlake_compute_m_n(bpp, lane, target_clock, link_bw, &m_n);
 	}
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 8a64c154b42..1ee4717f431 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -152,6 +152,7 @@ struct intel_crtc {
 	bool lowfreq_avail;
 	struct intel_overlay *overlay;
 	struct intel_unpin_work *unpin_work;
+	int fdi_lanes;
 };
 
 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)

From 6e0032f0ae4440e75256bee11b163552cae21962 Mon Sep 17 00:00:00 2001
From: Karsten Wiese <fzuuzf@googlemail.com>
Date: Sat, 27 Mar 2010 22:48:33 +0100
Subject: [PATCH 0461/3638] drm/i915: Don't touch PORT_HOTPLUG_EN in
 intel_dp_detect()

PORT_HOTPLUG_EN has allready been setup in i915_driver_irq_postinstall(),
when intel_dp_detect() runs.

Delete the DP[BCD]_HOTPLUG_INT_EN defines, they are not referenced anymore.

I found this while searching for a fix for
        https://bugzilla.redhat.com/show_bug.cgi?id=528312

Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_dp.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 480a5eef8a4..21e3fdc0758 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1232,16 +1232,6 @@ intel_dp_detect(struct drm_connector *connector)
 	if (HAS_PCH_SPLIT(dev))
 		return ironlake_dp_detect(connector);
 
-	temp = I915_READ(PORT_HOTPLUG_EN);
-
-	I915_WRITE(PORT_HOTPLUG_EN,
-	       temp |
-	       DPB_HOTPLUG_INT_EN |
-	       DPC_HOTPLUG_INT_EN |
-	       DPD_HOTPLUG_INT_EN);
-
-	POSTING_READ(PORT_HOTPLUG_EN);
-
 	switch (dp_priv->output_reg) {
 	case DP_B:
 		bit = DPB_HOTPLUG_INT_STATUS;

From ff7cdd691a0c4925c1803bf89a4c08ccda2d7658 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 14 Apr 2010 00:29:51 +0200
Subject: [PATCH 0462/3638] agp/intel: introduce intel-agp.h header file

Intel definitions have spilled into agp.h. Create a header file for
them and also include it in efficion-agp.c 'cause it needs a few of
them.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/char/agp/agp.h          |  80 -----------
 drivers/char/agp/efficeon-agp.c |   1 +
 drivers/char/agp/intel-agp.c    | 156 +--------------------
 drivers/char/agp/intel-agp.h    | 239 ++++++++++++++++++++++++++++++++
 4 files changed, 241 insertions(+), 235 deletions(-)
 create mode 100644 drivers/char/agp/intel-agp.h

diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 870f12cfed9..12049094999 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -178,86 +178,6 @@ struct agp_bridge_data {
 #define PGE_EMPTY(b, p)	(!(p) || (p) == (unsigned long) (b)->scratch_page)
 
 
-/* Intel registers */
-#define INTEL_APSIZE	0xb4
-#define INTEL_ATTBASE	0xb8
-#define INTEL_AGPCTRL	0xb0
-#define INTEL_NBXCFG	0x50
-#define INTEL_ERRSTS	0x91
-
-/* Intel i830 registers */
-#define I830_GMCH_CTRL			0x52
-#define I830_GMCH_ENABLED		0x4
-#define I830_GMCH_MEM_MASK		0x1
-#define I830_GMCH_MEM_64M		0x1
-#define I830_GMCH_MEM_128M		0
-#define I830_GMCH_GMS_MASK		0x70
-#define I830_GMCH_GMS_DISABLED		0x00
-#define I830_GMCH_GMS_LOCAL		0x10
-#define I830_GMCH_GMS_STOLEN_512	0x20
-#define I830_GMCH_GMS_STOLEN_1024	0x30
-#define I830_GMCH_GMS_STOLEN_8192	0x40
-#define I830_RDRAM_CHANNEL_TYPE		0x03010
-#define I830_RDRAM_ND(x)		(((x) & 0x20) >> 5)
-#define I830_RDRAM_DDT(x)		(((x) & 0x18) >> 3)
-
-/* This one is for I830MP w. an external graphic card */
-#define INTEL_I830_ERRSTS	0x92
-
-/* Intel 855GM/852GM registers */
-#define I855_GMCH_GMS_MASK		0xF0
-#define I855_GMCH_GMS_STOLEN_0M		0x0
-#define I855_GMCH_GMS_STOLEN_1M		(0x1 << 4)
-#define I855_GMCH_GMS_STOLEN_4M		(0x2 << 4)
-#define I855_GMCH_GMS_STOLEN_8M		(0x3 << 4)
-#define I855_GMCH_GMS_STOLEN_16M	(0x4 << 4)
-#define I855_GMCH_GMS_STOLEN_32M	(0x5 << 4)
-#define I85X_CAPID			0x44
-#define I85X_VARIANT_MASK		0x7
-#define I85X_VARIANT_SHIFT		5
-#define I855_GME			0x0
-#define I855_GM				0x4
-#define I852_GME			0x2
-#define I852_GM				0x5
-
-/* Intel i845 registers */
-#define INTEL_I845_AGPM		0x51
-#define INTEL_I845_ERRSTS	0xc8
-
-/* Intel i860 registers */
-#define INTEL_I860_MCHCFG	0x50
-#define INTEL_I860_ERRSTS	0xc8
-
-/* Intel i810 registers */
-#define I810_GMADDR		0x10
-#define I810_MMADDR		0x14
-#define I810_PTE_BASE		0x10000
-#define I810_PTE_MAIN_UNCACHED	0x00000000
-#define I810_PTE_LOCAL		0x00000002
-#define I810_PTE_VALID		0x00000001
-#define I830_PTE_SYSTEM_CACHED  0x00000006
-#define I810_SMRAM_MISCC	0x70
-#define I810_GFX_MEM_WIN_SIZE	0x00010000
-#define I810_GFX_MEM_WIN_32M	0x00010000
-#define I810_GMS		0x000000c0
-#define I810_GMS_DISABLE	0x00000000
-#define I810_PGETBL_CTL		0x2020
-#define I810_PGETBL_ENABLED	0x00000001
-#define I965_PGETBL_SIZE_MASK	0x0000000e
-#define I965_PGETBL_SIZE_512KB	(0 << 1)
-#define I965_PGETBL_SIZE_256KB	(1 << 1)
-#define I965_PGETBL_SIZE_128KB	(2 << 1)
-#define I965_PGETBL_SIZE_1MB	(3 << 1)
-#define I965_PGETBL_SIZE_2MB	(4 << 1)
-#define I965_PGETBL_SIZE_1_5MB	(5 << 1)
-#define G33_PGETBL_SIZE_MASK    (3 << 8)
-#define G33_PGETBL_SIZE_1M      (1 << 8)
-#define G33_PGETBL_SIZE_2M      (2 << 8)
-
-#define I810_DRAM_CTL		0x3000
-#define I810_DRAM_ROW_0		0x00000001
-#define I810_DRAM_ROW_0_SDRAM	0x00000001
-
 struct agp_device_ids {
 	unsigned short device_id; /* first, to make table easier to read */
 	enum chipset_type chipset;
diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c
index 793f39ea961..aa109cbe0e6 100644
--- a/drivers/char/agp/efficeon-agp.c
+++ b/drivers/char/agp/efficeon-agp.c
@@ -28,6 +28,7 @@
 #include <linux/page-flags.h>
 #include <linux/mm.h>
 #include "agp.h"
+#include "intel-agp.h"
 
 /*
  * The real differences to the generic AGP code is
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index a34fc9fdfc5..154bb925696 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -10,6 +10,7 @@
 #include <linux/agp_backend.h>
 #include <asm/smp.h>
 #include "agp.h"
+#include "intel-agp.h"
 
 int intel_agp_enabled;
 EXPORT_SYMBOL(intel_agp_enabled);
@@ -24,164 +25,9 @@ EXPORT_SYMBOL(intel_agp_enabled);
 #define USE_PCI_DMA_API 1
 #endif
 
-#define PCI_DEVICE_ID_INTEL_E7221_HB	0x2588
-#define PCI_DEVICE_ID_INTEL_E7221_IG	0x258a
-#define PCI_DEVICE_ID_INTEL_82946GZ_HB      0x2970
-#define PCI_DEVICE_ID_INTEL_82946GZ_IG      0x2972
-#define PCI_DEVICE_ID_INTEL_82G35_HB     0x2980
-#define PCI_DEVICE_ID_INTEL_82G35_IG     0x2982
-#define PCI_DEVICE_ID_INTEL_82965Q_HB       0x2990
-#define PCI_DEVICE_ID_INTEL_82965Q_IG       0x2992
-#define PCI_DEVICE_ID_INTEL_82965G_HB       0x29A0
-#define PCI_DEVICE_ID_INTEL_82965G_IG       0x29A2
-#define PCI_DEVICE_ID_INTEL_82965GM_HB      0x2A00
-#define PCI_DEVICE_ID_INTEL_82965GM_IG      0x2A02
-#define PCI_DEVICE_ID_INTEL_82965GME_HB     0x2A10
-#define PCI_DEVICE_ID_INTEL_82965GME_IG     0x2A12
-#define PCI_DEVICE_ID_INTEL_82945GME_HB     0x27AC
-#define PCI_DEVICE_ID_INTEL_82945GME_IG     0x27AE
-#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB        0xA010
-#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG        0xA011
-#define PCI_DEVICE_ID_INTEL_PINEVIEW_HB         0xA000
-#define PCI_DEVICE_ID_INTEL_PINEVIEW_IG         0xA001
-#define PCI_DEVICE_ID_INTEL_G33_HB          0x29C0
-#define PCI_DEVICE_ID_INTEL_G33_IG          0x29C2
-#define PCI_DEVICE_ID_INTEL_Q35_HB          0x29B0
-#define PCI_DEVICE_ID_INTEL_Q35_IG          0x29B2
-#define PCI_DEVICE_ID_INTEL_Q33_HB          0x29D0
-#define PCI_DEVICE_ID_INTEL_Q33_IG          0x29D2
-#define PCI_DEVICE_ID_INTEL_B43_HB          0x2E40
-#define PCI_DEVICE_ID_INTEL_B43_IG          0x2E42
-#define PCI_DEVICE_ID_INTEL_GM45_HB         0x2A40
-#define PCI_DEVICE_ID_INTEL_GM45_IG         0x2A42
-#define PCI_DEVICE_ID_INTEL_EAGLELAKE_HB        0x2E00
-#define PCI_DEVICE_ID_INTEL_EAGLELAKE_IG        0x2E02
-#define PCI_DEVICE_ID_INTEL_Q45_HB          0x2E10
-#define PCI_DEVICE_ID_INTEL_Q45_IG          0x2E12
-#define PCI_DEVICE_ID_INTEL_G45_HB          0x2E20
-#define PCI_DEVICE_ID_INTEL_G45_IG          0x2E22
-#define PCI_DEVICE_ID_INTEL_G41_HB          0x2E30
-#define PCI_DEVICE_ID_INTEL_G41_IG          0x2E32
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB	    0x0040
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG	    0x0042
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB	    0x0044
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB	    0x0062
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB    0x006a
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG	    0x0046
-#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB  0x0100
-#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG  0x0102
-#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB  0x0104
-#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG  0x0106
-
-/* cover 915 and 945 variants */
-#define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB)
-
-#define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB)
-
-#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
-
-#define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
-
-#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
-
-#define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_B43_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \
-		IS_SNB)
-
 extern int agp_memory_reserved;
 
 
-/* Intel 815 register */
-#define INTEL_815_APCONT	0x51
-#define INTEL_815_ATTBASE_MASK	~0x1FFFFFFF
-
-/* Intel i820 registers */
-#define INTEL_I820_RDCR		0x51
-#define INTEL_I820_ERRSTS	0xc8
-
-/* Intel i840 registers */
-#define INTEL_I840_MCHCFG	0x50
-#define INTEL_I840_ERRSTS	0xc8
-
-/* Intel i850 registers */
-#define INTEL_I850_MCHCFG	0x50
-#define INTEL_I850_ERRSTS	0xc8
-
-/* intel 915G registers */
-#define I915_GMADDR	0x18
-#define I915_MMADDR	0x10
-#define I915_PTEADDR	0x1C
-#define I915_GMCH_GMS_STOLEN_48M	(0x6 << 4)
-#define I915_GMCH_GMS_STOLEN_64M	(0x7 << 4)
-#define G33_GMCH_GMS_STOLEN_128M	(0x8 << 4)
-#define G33_GMCH_GMS_STOLEN_256M	(0x9 << 4)
-#define INTEL_GMCH_GMS_STOLEN_96M	(0xa << 4)
-#define INTEL_GMCH_GMS_STOLEN_160M	(0xb << 4)
-#define INTEL_GMCH_GMS_STOLEN_224M	(0xc << 4)
-#define INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
-
-#define I915_IFPADDR    0x60
-
-/* Intel 965G registers */
-#define I965_MSAC 0x62
-#define I965_IFPADDR    0x70
-
-/* Intel 7505 registers */
-#define INTEL_I7505_APSIZE	0x74
-#define INTEL_I7505_NCAPID	0x60
-#define INTEL_I7505_NISTAT	0x6c
-#define INTEL_I7505_ATTBASE	0x78
-#define INTEL_I7505_ERRSTS	0x42
-#define INTEL_I7505_AGPCTRL	0x70
-#define INTEL_I7505_MCHCFG	0x50
-
-#define SNB_GMCH_CTRL	0x50
-#define SNB_GMCH_GMS_STOLEN_MASK	0xF8
-#define SNB_GMCH_GMS_STOLEN_32M		(1 << 3)
-#define SNB_GMCH_GMS_STOLEN_64M		(2 << 3)
-#define SNB_GMCH_GMS_STOLEN_96M		(3 << 3)
-#define SNB_GMCH_GMS_STOLEN_128M	(4 << 3)
-#define SNB_GMCH_GMS_STOLEN_160M	(5 << 3)
-#define SNB_GMCH_GMS_STOLEN_192M	(6 << 3)
-#define SNB_GMCH_GMS_STOLEN_224M	(7 << 3)
-#define SNB_GMCH_GMS_STOLEN_256M	(8 << 3)
-#define SNB_GMCH_GMS_STOLEN_288M	(9 << 3)
-#define SNB_GMCH_GMS_STOLEN_320M	(0xa << 3)
-#define SNB_GMCH_GMS_STOLEN_352M	(0xb << 3)
-#define SNB_GMCH_GMS_STOLEN_384M	(0xc << 3)
-#define SNB_GMCH_GMS_STOLEN_416M	(0xd << 3)
-#define SNB_GMCH_GMS_STOLEN_448M	(0xe << 3)
-#define SNB_GMCH_GMS_STOLEN_480M	(0xf << 3)
-#define SNB_GMCH_GMS_STOLEN_512M	(0x10 << 3)
-#define SNB_GTT_SIZE_0M			(0 << 8)
-#define SNB_GTT_SIZE_1M			(1 << 8)
-#define SNB_GTT_SIZE_2M			(2 << 8)
-#define SNB_GTT_SIZE_MASK		(3 << 8)
-
 static const struct aper_size_info_fixed intel_i810_sizes[] =
 {
 	{64, 16384, 4},
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
new file mode 100644
index 00000000000..2547465d465
--- /dev/null
+++ b/drivers/char/agp/intel-agp.h
@@ -0,0 +1,239 @@
+/*
+ * Common Intel AGPGART and GTT definitions.
+ */
+
+/* Intel registers */
+#define INTEL_APSIZE	0xb4
+#define INTEL_ATTBASE	0xb8
+#define INTEL_AGPCTRL	0xb0
+#define INTEL_NBXCFG	0x50
+#define INTEL_ERRSTS	0x91
+
+/* Intel i830 registers */
+#define I830_GMCH_CTRL			0x52
+#define I830_GMCH_ENABLED		0x4
+#define I830_GMCH_MEM_MASK		0x1
+#define I830_GMCH_MEM_64M		0x1
+#define I830_GMCH_MEM_128M		0
+#define I830_GMCH_GMS_MASK		0x70
+#define I830_GMCH_GMS_DISABLED		0x00
+#define I830_GMCH_GMS_LOCAL		0x10
+#define I830_GMCH_GMS_STOLEN_512	0x20
+#define I830_GMCH_GMS_STOLEN_1024	0x30
+#define I830_GMCH_GMS_STOLEN_8192	0x40
+#define I830_RDRAM_CHANNEL_TYPE		0x03010
+#define I830_RDRAM_ND(x)		(((x) & 0x20) >> 5)
+#define I830_RDRAM_DDT(x)		(((x) & 0x18) >> 3)
+
+/* This one is for I830MP w. an external graphic card */
+#define INTEL_I830_ERRSTS	0x92
+
+/* Intel 855GM/852GM registers */
+#define I855_GMCH_GMS_MASK		0xF0
+#define I855_GMCH_GMS_STOLEN_0M		0x0
+#define I855_GMCH_GMS_STOLEN_1M		(0x1 << 4)
+#define I855_GMCH_GMS_STOLEN_4M		(0x2 << 4)
+#define I855_GMCH_GMS_STOLEN_8M		(0x3 << 4)
+#define I855_GMCH_GMS_STOLEN_16M	(0x4 << 4)
+#define I855_GMCH_GMS_STOLEN_32M	(0x5 << 4)
+#define I85X_CAPID			0x44
+#define I85X_VARIANT_MASK		0x7
+#define I85X_VARIANT_SHIFT		5
+#define I855_GME			0x0
+#define I855_GM				0x4
+#define I852_GME			0x2
+#define I852_GM				0x5
+
+/* Intel i845 registers */
+#define INTEL_I845_AGPM		0x51
+#define INTEL_I845_ERRSTS	0xc8
+
+/* Intel i860 registers */
+#define INTEL_I860_MCHCFG	0x50
+#define INTEL_I860_ERRSTS	0xc8
+
+/* Intel i810 registers */
+#define I810_GMADDR		0x10
+#define I810_MMADDR		0x14
+#define I810_PTE_BASE		0x10000
+#define I810_PTE_MAIN_UNCACHED	0x00000000
+#define I810_PTE_LOCAL		0x00000002
+#define I810_PTE_VALID		0x00000001
+#define I830_PTE_SYSTEM_CACHED  0x00000006
+#define I810_SMRAM_MISCC	0x70
+#define I810_GFX_MEM_WIN_SIZE	0x00010000
+#define I810_GFX_MEM_WIN_32M	0x00010000
+#define I810_GMS		0x000000c0
+#define I810_GMS_DISABLE	0x00000000
+#define I810_PGETBL_CTL		0x2020
+#define I810_PGETBL_ENABLED	0x00000001
+#define I965_PGETBL_SIZE_MASK	0x0000000e
+#define I965_PGETBL_SIZE_512KB	(0 << 1)
+#define I965_PGETBL_SIZE_256KB	(1 << 1)
+#define I965_PGETBL_SIZE_128KB	(2 << 1)
+#define I965_PGETBL_SIZE_1MB	(3 << 1)
+#define I965_PGETBL_SIZE_2MB	(4 << 1)
+#define I965_PGETBL_SIZE_1_5MB	(5 << 1)
+#define G33_PGETBL_SIZE_MASK    (3 << 8)
+#define G33_PGETBL_SIZE_1M      (1 << 8)
+#define G33_PGETBL_SIZE_2M      (2 << 8)
+
+#define I810_DRAM_CTL		0x3000
+#define I810_DRAM_ROW_0		0x00000001
+#define I810_DRAM_ROW_0_SDRAM	0x00000001
+
+/* Intel 815 register */
+#define INTEL_815_APCONT	0x51
+#define INTEL_815_ATTBASE_MASK	~0x1FFFFFFF
+
+/* Intel i820 registers */
+#define INTEL_I820_RDCR		0x51
+#define INTEL_I820_ERRSTS	0xc8
+
+/* Intel i840 registers */
+#define INTEL_I840_MCHCFG	0x50
+#define INTEL_I840_ERRSTS	0xc8
+
+/* Intel i850 registers */
+#define INTEL_I850_MCHCFG	0x50
+#define INTEL_I850_ERRSTS	0xc8
+
+/* intel 915G registers */
+#define I915_GMADDR	0x18
+#define I915_MMADDR	0x10
+#define I915_PTEADDR	0x1C
+#define I915_GMCH_GMS_STOLEN_48M	(0x6 << 4)
+#define I915_GMCH_GMS_STOLEN_64M	(0x7 << 4)
+#define G33_GMCH_GMS_STOLEN_128M	(0x8 << 4)
+#define G33_GMCH_GMS_STOLEN_256M	(0x9 << 4)
+#define INTEL_GMCH_GMS_STOLEN_96M	(0xa << 4)
+#define INTEL_GMCH_GMS_STOLEN_160M	(0xb << 4)
+#define INTEL_GMCH_GMS_STOLEN_224M	(0xc << 4)
+#define INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
+
+#define I915_IFPADDR    0x60
+
+/* Intel 965G registers */
+#define I965_MSAC 0x62
+#define I965_IFPADDR    0x70
+
+/* Intel 7505 registers */
+#define INTEL_I7505_APSIZE	0x74
+#define INTEL_I7505_NCAPID	0x60
+#define INTEL_I7505_NISTAT	0x6c
+#define INTEL_I7505_ATTBASE	0x78
+#define INTEL_I7505_ERRSTS	0x42
+#define INTEL_I7505_AGPCTRL	0x70
+#define INTEL_I7505_MCHCFG	0x50
+
+#define SNB_GMCH_CTRL	0x50
+#define SNB_GMCH_GMS_STOLEN_MASK	0xF8
+#define SNB_GMCH_GMS_STOLEN_32M		(1 << 3)
+#define SNB_GMCH_GMS_STOLEN_64M		(2 << 3)
+#define SNB_GMCH_GMS_STOLEN_96M		(3 << 3)
+#define SNB_GMCH_GMS_STOLEN_128M	(4 << 3)
+#define SNB_GMCH_GMS_STOLEN_160M	(5 << 3)
+#define SNB_GMCH_GMS_STOLEN_192M	(6 << 3)
+#define SNB_GMCH_GMS_STOLEN_224M	(7 << 3)
+#define SNB_GMCH_GMS_STOLEN_256M	(8 << 3)
+#define SNB_GMCH_GMS_STOLEN_288M	(9 << 3)
+#define SNB_GMCH_GMS_STOLEN_320M	(0xa << 3)
+#define SNB_GMCH_GMS_STOLEN_352M	(0xb << 3)
+#define SNB_GMCH_GMS_STOLEN_384M	(0xc << 3)
+#define SNB_GMCH_GMS_STOLEN_416M	(0xd << 3)
+#define SNB_GMCH_GMS_STOLEN_448M	(0xe << 3)
+#define SNB_GMCH_GMS_STOLEN_480M	(0xf << 3)
+#define SNB_GMCH_GMS_STOLEN_512M	(0x10 << 3)
+#define SNB_GTT_SIZE_0M			(0 << 8)
+#define SNB_GTT_SIZE_1M			(1 << 8)
+#define SNB_GTT_SIZE_2M			(2 << 8)
+#define SNB_GTT_SIZE_MASK		(3 << 8)
+
+/* pci devices ids */
+#define PCI_DEVICE_ID_INTEL_E7221_HB	0x2588
+#define PCI_DEVICE_ID_INTEL_E7221_IG	0x258a
+#define PCI_DEVICE_ID_INTEL_82946GZ_HB      0x2970
+#define PCI_DEVICE_ID_INTEL_82946GZ_IG      0x2972
+#define PCI_DEVICE_ID_INTEL_82G35_HB     0x2980
+#define PCI_DEVICE_ID_INTEL_82G35_IG     0x2982
+#define PCI_DEVICE_ID_INTEL_82965Q_HB       0x2990
+#define PCI_DEVICE_ID_INTEL_82965Q_IG       0x2992
+#define PCI_DEVICE_ID_INTEL_82965G_HB       0x29A0
+#define PCI_DEVICE_ID_INTEL_82965G_IG       0x29A2
+#define PCI_DEVICE_ID_INTEL_82965GM_HB      0x2A00
+#define PCI_DEVICE_ID_INTEL_82965GM_IG      0x2A02
+#define PCI_DEVICE_ID_INTEL_82965GME_HB     0x2A10
+#define PCI_DEVICE_ID_INTEL_82965GME_IG     0x2A12
+#define PCI_DEVICE_ID_INTEL_82945GME_HB     0x27AC
+#define PCI_DEVICE_ID_INTEL_82945GME_IG     0x27AE
+#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB        0xA010
+#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG        0xA011
+#define PCI_DEVICE_ID_INTEL_PINEVIEW_HB         0xA000
+#define PCI_DEVICE_ID_INTEL_PINEVIEW_IG         0xA001
+#define PCI_DEVICE_ID_INTEL_G33_HB          0x29C0
+#define PCI_DEVICE_ID_INTEL_G33_IG          0x29C2
+#define PCI_DEVICE_ID_INTEL_Q35_HB          0x29B0
+#define PCI_DEVICE_ID_INTEL_Q35_IG          0x29B2
+#define PCI_DEVICE_ID_INTEL_Q33_HB          0x29D0
+#define PCI_DEVICE_ID_INTEL_Q33_IG          0x29D2
+#define PCI_DEVICE_ID_INTEL_B43_HB          0x2E40
+#define PCI_DEVICE_ID_INTEL_B43_IG          0x2E42
+#define PCI_DEVICE_ID_INTEL_GM45_HB         0x2A40
+#define PCI_DEVICE_ID_INTEL_GM45_IG         0x2A42
+#define PCI_DEVICE_ID_INTEL_EAGLELAKE_HB        0x2E00
+#define PCI_DEVICE_ID_INTEL_EAGLELAKE_IG        0x2E02
+#define PCI_DEVICE_ID_INTEL_Q45_HB          0x2E10
+#define PCI_DEVICE_ID_INTEL_Q45_IG          0x2E12
+#define PCI_DEVICE_ID_INTEL_G45_HB          0x2E20
+#define PCI_DEVICE_ID_INTEL_G45_IG          0x2E22
+#define PCI_DEVICE_ID_INTEL_G41_HB          0x2E30
+#define PCI_DEVICE_ID_INTEL_G41_IG          0x2E32
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB	    0x0040
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG	    0x0042
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB	    0x0044
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB	    0x0062
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB    0x006a
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG	    0x0046
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB  0x0100
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG  0x0102
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB  0x0104
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG  0x0106
+
+/* cover 915 and 945 variants */
+#define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB)
+
+#define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB)
+
+#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
+
+#define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
+
+#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+
+#define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_B43_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \
+		IS_SNB)

From f51b76621137c18501f6d21a995d36a8bcb49999 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 14 Apr 2010 00:29:52 +0200
Subject: [PATCH 0463/3638] agp/intel: split out the GTT support

intel-agp.c contains actually two different drivers: An agp driver
for _physical_ agp slots an the gtt driver that is used by the intel
drm modules. Split them to prevent any further confusion.

This patch just moves the code and includes intel-gtt.c in intel-agp.c
Later patches will untangle these two drivers further.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/char/agp/intel-agp.c | 1525 +--------------------------------
 drivers/char/agp/intel-gtt.c | 1535 ++++++++++++++++++++++++++++++++++
 2 files changed, 1537 insertions(+), 1523 deletions(-)
 create mode 100644 drivers/char/agp/intel-gtt.c

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 154bb925696..6a22aa9783b 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -12,1375 +12,11 @@
 #include "agp.h"
 #include "intel-agp.h"
 
+#include "intel-gtt.c"
+
 int intel_agp_enabled;
 EXPORT_SYMBOL(intel_agp_enabled);
 
-/*
- * If we have Intel graphics, we're not going to have anything other than
- * an Intel IOMMU. So make the correct use of the PCI DMA API contingent
- * on the Intel IOMMU support (CONFIG_DMAR).
- * Only newer chipsets need to bother with this, of course.
- */
-#ifdef CONFIG_DMAR
-#define USE_PCI_DMA_API 1
-#endif
-
-extern int agp_memory_reserved;
-
-
-static const struct aper_size_info_fixed intel_i810_sizes[] =
-{
-	{64, 16384, 4},
-	/* The 32M mode still requires a 64k gatt */
-	{32, 8192, 4}
-};
-
-#define AGP_DCACHE_MEMORY	1
-#define AGP_PHYS_MEMORY		2
-#define INTEL_AGP_CACHED_MEMORY 3
-
-static struct gatt_mask intel_i810_masks[] =
-{
-	{.mask = I810_PTE_VALID, .type = 0},
-	{.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY},
-	{.mask = I810_PTE_VALID, .type = 0},
-	{.mask = I810_PTE_VALID | I830_PTE_SYSTEM_CACHED,
-	 .type = INTEL_AGP_CACHED_MEMORY}
-};
-
-static struct _intel_private {
-	struct pci_dev *pcidev;	/* device one */
-	u8 __iomem *registers;
-	u32 __iomem *gtt;		/* I915G */
-	int num_dcache_entries;
-	/* gtt_entries is the number of gtt entries that are already mapped
-	 * to stolen memory.  Stolen memory is larger than the memory mapped
-	 * through gtt_entries, as it includes some reserved space for the BIOS
-	 * popup and for the GTT.
-	 */
-	int gtt_entries;			/* i830+ */
-	int gtt_total_size;
-	union {
-		void __iomem *i9xx_flush_page;
-		void *i8xx_flush_page;
-	};
-	struct page *i8xx_page;
-	struct resource ifp_resource;
-	int resource_valid;
-} intel_private;
-
-#ifdef USE_PCI_DMA_API
-static int intel_agp_map_page(struct page *page, dma_addr_t *ret)
-{
-	*ret = pci_map_page(intel_private.pcidev, page, 0,
-			    PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-	if (pci_dma_mapping_error(intel_private.pcidev, *ret))
-		return -EINVAL;
-	return 0;
-}
-
-static void intel_agp_unmap_page(struct page *page, dma_addr_t dma)
-{
-	pci_unmap_page(intel_private.pcidev, dma,
-		       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-}
-
-static void intel_agp_free_sglist(struct agp_memory *mem)
-{
-	struct sg_table st;
-
-	st.sgl = mem->sg_list;
-	st.orig_nents = st.nents = mem->page_count;
-
-	sg_free_table(&st);
-
-	mem->sg_list = NULL;
-	mem->num_sg = 0;
-}
-
-static int intel_agp_map_memory(struct agp_memory *mem)
-{
-	struct sg_table st;
-	struct scatterlist *sg;
-	int i;
-
-	DBG("try mapping %lu pages\n", (unsigned long)mem->page_count);
-
-	if (sg_alloc_table(&st, mem->page_count, GFP_KERNEL))
-		return -ENOMEM;
-
-	mem->sg_list = sg = st.sgl;
-
-	for (i = 0 ; i < mem->page_count; i++, sg = sg_next(sg))
-		sg_set_page(sg, mem->pages[i], PAGE_SIZE, 0);
-
-	mem->num_sg = pci_map_sg(intel_private.pcidev, mem->sg_list,
-				 mem->page_count, PCI_DMA_BIDIRECTIONAL);
-	if (unlikely(!mem->num_sg)) {
-		intel_agp_free_sglist(mem);
-		return -ENOMEM;
-	}
-	return 0;
-}
-
-static void intel_agp_unmap_memory(struct agp_memory *mem)
-{
-	DBG("try unmapping %lu pages\n", (unsigned long)mem->page_count);
-
-	pci_unmap_sg(intel_private.pcidev, mem->sg_list,
-		     mem->page_count, PCI_DMA_BIDIRECTIONAL);
-	intel_agp_free_sglist(mem);
-}
-
-static void intel_agp_insert_sg_entries(struct agp_memory *mem,
-					off_t pg_start, int mask_type)
-{
-	struct scatterlist *sg;
-	int i, j;
-
-	j = pg_start;
-
-	WARN_ON(!mem->num_sg);
-
-	if (mem->num_sg == mem->page_count) {
-		for_each_sg(mem->sg_list, sg, mem->page_count, i) {
-			writel(agp_bridge->driver->mask_memory(agp_bridge,
-					sg_dma_address(sg), mask_type),
-					intel_private.gtt+j);
-			j++;
-		}
-	} else {
-		/* sg may merge pages, but we have to separate
-		 * per-page addr for GTT */
-		unsigned int len, m;
-
-		for_each_sg(mem->sg_list, sg, mem->num_sg, i) {
-			len = sg_dma_len(sg) / PAGE_SIZE;
-			for (m = 0; m < len; m++) {
-				writel(agp_bridge->driver->mask_memory(agp_bridge,
-								       sg_dma_address(sg) + m * PAGE_SIZE,
-								       mask_type),
-				       intel_private.gtt+j);
-				j++;
-			}
-		}
-	}
-	readl(intel_private.gtt+j-1);
-}
-
-#else
-
-static void intel_agp_insert_sg_entries(struct agp_memory *mem,
-					off_t pg_start, int mask_type)
-{
-	int i, j;
-	u32 cache_bits = 0;
-
-	if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB ||
-	    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
-	{
-		cache_bits = I830_PTE_SYSTEM_CACHED;
-	}
-
-	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
-		writel(agp_bridge->driver->mask_memory(agp_bridge,
-				page_to_phys(mem->pages[i]), mask_type),
-		       intel_private.gtt+j);
-	}
-
-	readl(intel_private.gtt+j-1);
-}
-
-#endif
-
-static int intel_i810_fetch_size(void)
-{
-	u32 smram_miscc;
-	struct aper_size_info_fixed *values;
-
-	pci_read_config_dword(agp_bridge->dev, I810_SMRAM_MISCC, &smram_miscc);
-	values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
-
-	if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) {
-		dev_warn(&agp_bridge->dev->dev, "i810 is disabled\n");
-		return 0;
-	}
-	if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) {
-		agp_bridge->previous_size =
-			agp_bridge->current_size = (void *) (values + 1);
-		agp_bridge->aperture_size_idx = 1;
-		return values[1].size;
-	} else {
-		agp_bridge->previous_size =
-			agp_bridge->current_size = (void *) (values);
-		agp_bridge->aperture_size_idx = 0;
-		return values[0].size;
-	}
-
-	return 0;
-}
-
-static int intel_i810_configure(void)
-{
-	struct aper_size_info_fixed *current_size;
-	u32 temp;
-	int i;
-
-	current_size = A_SIZE_FIX(agp_bridge->current_size);
-
-	if (!intel_private.registers) {
-		pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp);
-		temp &= 0xfff80000;
-
-		intel_private.registers = ioremap(temp, 128 * 4096);
-		if (!intel_private.registers) {
-			dev_err(&intel_private.pcidev->dev,
-				"can't remap memory\n");
-			return -ENOMEM;
-		}
-	}
-
-	if ((readl(intel_private.registers+I810_DRAM_CTL)
-		& I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
-		/* This will need to be dynamically assigned */
-		dev_info(&intel_private.pcidev->dev,
-			 "detected 4MB dedicated video ram\n");
-		intel_private.num_dcache_entries = 1024;
-	}
-	pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp);
-	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
-	writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
-	readl(intel_private.registers+I810_PGETBL_CTL);	/* PCI Posting. */
-
-	if (agp_bridge->driver->needs_scratch_page) {
-		for (i = 0; i < current_size->num_entries; i++) {
-			writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
-		}
-		readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));	/* PCI posting. */
-	}
-	global_cache_flush();
-	return 0;
-}
-
-static void intel_i810_cleanup(void)
-{
-	writel(0, intel_private.registers+I810_PGETBL_CTL);
-	readl(intel_private.registers);	/* PCI Posting. */
-	iounmap(intel_private.registers);
-}
-
-static void intel_i810_tlbflush(struct agp_memory *mem)
-{
-	return;
-}
-
-static void intel_i810_agp_enable(struct agp_bridge_data *bridge, u32 mode)
-{
-	return;
-}
-
-/* Exists to support ARGB cursors */
-static struct page *i8xx_alloc_pages(void)
-{
-	struct page *page;
-
-	page = alloc_pages(GFP_KERNEL | GFP_DMA32, 2);
-	if (page == NULL)
-		return NULL;
-
-	if (set_pages_uc(page, 4) < 0) {
-		set_pages_wb(page, 4);
-		__free_pages(page, 2);
-		return NULL;
-	}
-	get_page(page);
-	atomic_inc(&agp_bridge->current_memory_agp);
-	return page;
-}
-
-static void i8xx_destroy_pages(struct page *page)
-{
-	if (page == NULL)
-		return;
-
-	set_pages_wb(page, 4);
-	put_page(page);
-	__free_pages(page, 2);
-	atomic_dec(&agp_bridge->current_memory_agp);
-}
-
-static int intel_i830_type_to_mask_type(struct agp_bridge_data *bridge,
-					int type)
-{
-	if (type < AGP_USER_TYPES)
-		return type;
-	else if (type == AGP_USER_CACHED_MEMORY)
-		return INTEL_AGP_CACHED_MEMORY;
-	else
-		return 0;
-}
-
-static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start,
-				int type)
-{
-	int i, j, num_entries;
-	void *temp;
-	int ret = -EINVAL;
-	int mask_type;
-
-	if (mem->page_count == 0)
-		goto out;
-
-	temp = agp_bridge->current_size;
-	num_entries = A_SIZE_FIX(temp)->num_entries;
-
-	if ((pg_start + mem->page_count) > num_entries)
-		goto out_err;
-
-
-	for (j = pg_start; j < (pg_start + mem->page_count); j++) {
-		if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) {
-			ret = -EBUSY;
-			goto out_err;
-		}
-	}
-
-	if (type != mem->type)
-		goto out_err;
-
-	mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
-
-	switch (mask_type) {
-	case AGP_DCACHE_MEMORY:
-		if (!mem->is_flushed)
-			global_cache_flush();
-		for (i = pg_start; i < (pg_start + mem->page_count); i++) {
-			writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID,
-			       intel_private.registers+I810_PTE_BASE+(i*4));
-		}
-		readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
-		break;
-	case AGP_PHYS_MEMORY:
-	case AGP_NORMAL_MEMORY:
-		if (!mem->is_flushed)
-			global_cache_flush();
-		for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
-			writel(agp_bridge->driver->mask_memory(agp_bridge,
-					page_to_phys(mem->pages[i]), mask_type),
-			       intel_private.registers+I810_PTE_BASE+(j*4));
-		}
-		readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
-		break;
-	default:
-		goto out_err;
-	}
-
-	agp_bridge->driver->tlb_flush(mem);
-out:
-	ret = 0;
-out_err:
-	mem->is_flushed = true;
-	return ret;
-}
-
-static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start,
-				int type)
-{
-	int i;
-
-	if (mem->page_count == 0)
-		return 0;
-
-	for (i = pg_start; i < (mem->page_count + pg_start); i++) {
-		writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
-	}
-	readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
-
-	agp_bridge->driver->tlb_flush(mem);
-	return 0;
-}
-
-/*
- * The i810/i830 requires a physical address to program its mouse
- * pointer into hardware.
- * However the Xserver still writes to it through the agp aperture.
- */
-static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
-{
-	struct agp_memory *new;
-	struct page *page;
-
-	switch (pg_count) {
-	case 1: page = agp_bridge->driver->agp_alloc_page(agp_bridge);
-		break;
-	case 4:
-		/* kludge to get 4 physical pages for ARGB cursor */
-		page = i8xx_alloc_pages();
-		break;
-	default:
-		return NULL;
-	}
-
-	if (page == NULL)
-		return NULL;
-
-	new = agp_create_memory(pg_count);
-	if (new == NULL)
-		return NULL;
-
-	new->pages[0] = page;
-	if (pg_count == 4) {
-		/* kludge to get 4 physical pages for ARGB cursor */
-		new->pages[1] = new->pages[0] + 1;
-		new->pages[2] = new->pages[1] + 1;
-		new->pages[3] = new->pages[2] + 1;
-	}
-	new->page_count = pg_count;
-	new->num_scratch_pages = pg_count;
-	new->type = AGP_PHYS_MEMORY;
-	new->physical = page_to_phys(new->pages[0]);
-	return new;
-}
-
-static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type)
-{
-	struct agp_memory *new;
-
-	if (type == AGP_DCACHE_MEMORY) {
-		if (pg_count != intel_private.num_dcache_entries)
-			return NULL;
-
-		new = agp_create_memory(1);
-		if (new == NULL)
-			return NULL;
-
-		new->type = AGP_DCACHE_MEMORY;
-		new->page_count = pg_count;
-		new->num_scratch_pages = 0;
-		agp_free_page_array(new);
-		return new;
-	}
-	if (type == AGP_PHYS_MEMORY)
-		return alloc_agpphysmem_i8xx(pg_count, type);
-	return NULL;
-}
-
-static void intel_i810_free_by_type(struct agp_memory *curr)
-{
-	agp_free_key(curr->key);
-	if (curr->type == AGP_PHYS_MEMORY) {
-		if (curr->page_count == 4)
-			i8xx_destroy_pages(curr->pages[0]);
-		else {
-			agp_bridge->driver->agp_destroy_page(curr->pages[0],
-							     AGP_PAGE_DESTROY_UNMAP);
-			agp_bridge->driver->agp_destroy_page(curr->pages[0],
-							     AGP_PAGE_DESTROY_FREE);
-		}
-		agp_free_page_array(curr);
-	}
-	kfree(curr);
-}
-
-static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge,
-					    dma_addr_t addr, int type)
-{
-	/* Type checking must be done elsewhere */
-	return addr | bridge->driver->masks[type].mask;
-}
-
-static struct aper_size_info_fixed intel_i830_sizes[] =
-{
-	{128, 32768, 5},
-	/* The 64M mode still requires a 128k gatt */
-	{64, 16384, 5},
-	{256, 65536, 6},
-	{512, 131072, 7},
-};
-
-static void intel_i830_init_gtt_entries(void)
-{
-	u16 gmch_ctrl;
-	int gtt_entries = 0;
-	u8 rdct;
-	int local = 0;
-	static const int ddt[4] = { 0, 16, 32, 64 };
-	int size; /* reserved space (in kb) at the top of stolen memory */
-
-	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
-
-	if (IS_I965) {
-		u32 pgetbl_ctl;
-		pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL);
-
-		/* The 965 has a field telling us the size of the GTT,
-		 * which may be larger than what is necessary to map the
-		 * aperture.
-		 */
-		switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) {
-		case I965_PGETBL_SIZE_128KB:
-			size = 128;
-			break;
-		case I965_PGETBL_SIZE_256KB:
-			size = 256;
-			break;
-		case I965_PGETBL_SIZE_512KB:
-			size = 512;
-			break;
-		case I965_PGETBL_SIZE_1MB:
-			size = 1024;
-			break;
-		case I965_PGETBL_SIZE_2MB:
-			size = 2048;
-			break;
-		case I965_PGETBL_SIZE_1_5MB:
-			size = 1024 + 512;
-			break;
-		default:
-			dev_info(&intel_private.pcidev->dev,
-				 "unknown page table size, assuming 512KB\n");
-			size = 512;
-		}
-		size += 4; /* add in BIOS popup space */
-	} else if (IS_G33 && !IS_PINEVIEW) {
-	/* G33's GTT size defined in gmch_ctrl */
-		switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) {
-		case G33_PGETBL_SIZE_1M:
-			size = 1024;
-			break;
-		case G33_PGETBL_SIZE_2M:
-			size = 2048;
-			break;
-		default:
-			dev_info(&agp_bridge->dev->dev,
-				 "unknown page table size 0x%x, assuming 512KB\n",
-				(gmch_ctrl & G33_PGETBL_SIZE_MASK));
-			size = 512;
-		}
-		size += 4;
-	} else if (IS_G4X || IS_PINEVIEW) {
-		/* On 4 series hardware, GTT stolen is separate from graphics
-		 * stolen, ignore it in stolen gtt entries counting.  However,
-		 * 4KB of the stolen memory doesn't get mapped to the GTT.
-		 */
-		size = 4;
-	} else {
-		/* On previous hardware, the GTT size was just what was
-		 * required to map the aperture.
-		 */
-		size = agp_bridge->driver->fetch_size() + 4;
-	}
-
-	if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB ||
-	    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) {
-		switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
-		case I830_GMCH_GMS_STOLEN_512:
-			gtt_entries = KB(512) - KB(size);
-			break;
-		case I830_GMCH_GMS_STOLEN_1024:
-			gtt_entries = MB(1) - KB(size);
-			break;
-		case I830_GMCH_GMS_STOLEN_8192:
-			gtt_entries = MB(8) - KB(size);
-			break;
-		case I830_GMCH_GMS_LOCAL:
-			rdct = readb(intel_private.registers+I830_RDRAM_CHANNEL_TYPE);
-			gtt_entries = (I830_RDRAM_ND(rdct) + 1) *
-					MB(ddt[I830_RDRAM_DDT(rdct)]);
-			local = 1;
-			break;
-		default:
-			gtt_entries = 0;
-			break;
-		}
-	} else if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB ||
-		   agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) {
-		/*
-		 * SandyBridge has new memory control reg at 0x50.w
-		 */
-		u16 snb_gmch_ctl;
-		pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
-		switch (snb_gmch_ctl & SNB_GMCH_GMS_STOLEN_MASK) {
-		case SNB_GMCH_GMS_STOLEN_32M:
-			gtt_entries = MB(32) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_64M:
-			gtt_entries = MB(64) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_96M:
-			gtt_entries = MB(96) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_128M:
-			gtt_entries = MB(128) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_160M:
-			gtt_entries = MB(160) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_192M:
-			gtt_entries = MB(192) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_224M:
-			gtt_entries = MB(224) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_256M:
-			gtt_entries = MB(256) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_288M:
-			gtt_entries = MB(288) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_320M:
-			gtt_entries = MB(320) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_352M:
-			gtt_entries = MB(352) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_384M:
-			gtt_entries = MB(384) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_416M:
-			gtt_entries = MB(416) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_448M:
-			gtt_entries = MB(448) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_480M:
-			gtt_entries = MB(480) - KB(size);
-			break;
-		case SNB_GMCH_GMS_STOLEN_512M:
-			gtt_entries = MB(512) - KB(size);
-			break;
-		}
-	} else {
-		switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
-		case I855_GMCH_GMS_STOLEN_1M:
-			gtt_entries = MB(1) - KB(size);
-			break;
-		case I855_GMCH_GMS_STOLEN_4M:
-			gtt_entries = MB(4) - KB(size);
-			break;
-		case I855_GMCH_GMS_STOLEN_8M:
-			gtt_entries = MB(8) - KB(size);
-			break;
-		case I855_GMCH_GMS_STOLEN_16M:
-			gtt_entries = MB(16) - KB(size);
-			break;
-		case I855_GMCH_GMS_STOLEN_32M:
-			gtt_entries = MB(32) - KB(size);
-			break;
-		case I915_GMCH_GMS_STOLEN_48M:
-			/* Check it's really I915G */
-			if (IS_I915 || IS_I965 || IS_G33 || IS_G4X)
-				gtt_entries = MB(48) - KB(size);
-			else
-				gtt_entries = 0;
-			break;
-		case I915_GMCH_GMS_STOLEN_64M:
-			/* Check it's really I915G */
-			if (IS_I915 || IS_I965 || IS_G33 || IS_G4X)
-				gtt_entries = MB(64) - KB(size);
-			else
-				gtt_entries = 0;
-			break;
-		case G33_GMCH_GMS_STOLEN_128M:
-			if (IS_G33 || IS_I965 || IS_G4X)
-				gtt_entries = MB(128) - KB(size);
-			else
-				gtt_entries = 0;
-			break;
-		case G33_GMCH_GMS_STOLEN_256M:
-			if (IS_G33 || IS_I965 || IS_G4X)
-				gtt_entries = MB(256) - KB(size);
-			else
-				gtt_entries = 0;
-			break;
-		case INTEL_GMCH_GMS_STOLEN_96M:
-			if (IS_I965 || IS_G4X)
-				gtt_entries = MB(96) - KB(size);
-			else
-				gtt_entries = 0;
-			break;
-		case INTEL_GMCH_GMS_STOLEN_160M:
-			if (IS_I965 || IS_G4X)
-				gtt_entries = MB(160) - KB(size);
-			else
-				gtt_entries = 0;
-			break;
-		case INTEL_GMCH_GMS_STOLEN_224M:
-			if (IS_I965 || IS_G4X)
-				gtt_entries = MB(224) - KB(size);
-			else
-				gtt_entries = 0;
-			break;
-		case INTEL_GMCH_GMS_STOLEN_352M:
-			if (IS_I965 || IS_G4X)
-				gtt_entries = MB(352) - KB(size);
-			else
-				gtt_entries = 0;
-			break;
-		default:
-			gtt_entries = 0;
-			break;
-		}
-	}
-	if (gtt_entries > 0) {
-		dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n",
-		       gtt_entries / KB(1), local ? "local" : "stolen");
-		gtt_entries /= KB(4);
-	} else {
-		dev_info(&agp_bridge->dev->dev,
-		       "no pre-allocated video memory detected\n");
-		gtt_entries = 0;
-	}
-
-	intel_private.gtt_entries = gtt_entries;
-}
-
-static void intel_i830_fini_flush(void)
-{
-	kunmap(intel_private.i8xx_page);
-	intel_private.i8xx_flush_page = NULL;
-	unmap_page_from_agp(intel_private.i8xx_page);
-
-	__free_page(intel_private.i8xx_page);
-	intel_private.i8xx_page = NULL;
-}
-
-static void intel_i830_setup_flush(void)
-{
-	/* return if we've already set the flush mechanism up */
-	if (intel_private.i8xx_page)
-		return;
-
-	intel_private.i8xx_page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32);
-	if (!intel_private.i8xx_page)
-		return;
-
-	intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page);
-	if (!intel_private.i8xx_flush_page)
-		intel_i830_fini_flush();
-}
-
-/* The chipset_flush interface needs to get data that has already been
- * flushed out of the CPU all the way out to main memory, because the GPU
- * doesn't snoop those buffers.
- *
- * The 8xx series doesn't have the same lovely interface for flushing the
- * chipset write buffers that the later chips do. According to the 865
- * specs, it's 64 octwords, or 1KB.  So, to get those previous things in
- * that buffer out, we just fill 1KB and clflush it out, on the assumption
- * that it'll push whatever was in there out.  It appears to work.
- */
-static void intel_i830_chipset_flush(struct agp_bridge_data *bridge)
-{
-	unsigned int *pg = intel_private.i8xx_flush_page;
-
-	memset(pg, 0, 1024);
-
-	if (cpu_has_clflush)
-		clflush_cache_range(pg, 1024);
-	else if (wbinvd_on_all_cpus() != 0)
-		printk(KERN_ERR "Timed out waiting for cache flush.\n");
-}
-
-/* The intel i830 automatically initializes the agp aperture during POST.
- * Use the memory already set aside for in the GTT.
- */
-static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge)
-{
-	int page_order;
-	struct aper_size_info_fixed *size;
-	int num_entries;
-	u32 temp;
-
-	size = agp_bridge->current_size;
-	page_order = size->page_order;
-	num_entries = size->num_entries;
-	agp_bridge->gatt_table_real = NULL;
-
-	pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp);
-	temp &= 0xfff80000;
-
-	intel_private.registers = ioremap(temp, 128 * 4096);
-	if (!intel_private.registers)
-		return -ENOMEM;
-
-	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
-	global_cache_flush();	/* FIXME: ?? */
-
-	/* we have to call this as early as possible after the MMIO base address is known */
-	intel_i830_init_gtt_entries();
-
-	agp_bridge->gatt_table = NULL;
-
-	agp_bridge->gatt_bus_addr = temp;
-
-	return 0;
-}
-
-/* Return the gatt table to a sane state. Use the top of stolen
- * memory for the GTT.
- */
-static int intel_i830_free_gatt_table(struct agp_bridge_data *bridge)
-{
-	return 0;
-}
-
-static int intel_i830_fetch_size(void)
-{
-	u16 gmch_ctrl;
-	struct aper_size_info_fixed *values;
-
-	values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
-
-	if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB &&
-	    agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) {
-		/* 855GM/852GM/865G has 128MB aperture size */
-		agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
-		agp_bridge->aperture_size_idx = 0;
-		return values[0].size;
-	}
-
-	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
-
-	if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) {
-		agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
-		agp_bridge->aperture_size_idx = 0;
-		return values[0].size;
-	} else {
-		agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1);
-		agp_bridge->aperture_size_idx = 1;
-		return values[1].size;
-	}
-
-	return 0;
-}
-
-static int intel_i830_configure(void)
-{
-	struct aper_size_info_fixed *current_size;
-	u32 temp;
-	u16 gmch_ctrl;
-	int i;
-
-	current_size = A_SIZE_FIX(agp_bridge->current_size);
-
-	pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp);
-	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
-
-	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
-	gmch_ctrl |= I830_GMCH_ENABLED;
-	pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl);
-
-	writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
-	readl(intel_private.registers+I810_PGETBL_CTL);	/* PCI Posting. */
-
-	if (agp_bridge->driver->needs_scratch_page) {
-		for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) {
-			writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
-		}
-		readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));	/* PCI Posting. */
-	}
-
-	global_cache_flush();
-
-	intel_i830_setup_flush();
-	return 0;
-}
-
-static void intel_i830_cleanup(void)
-{
-	iounmap(intel_private.registers);
-}
-
-static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
-				     int type)
-{
-	int i, j, num_entries;
-	void *temp;
-	int ret = -EINVAL;
-	int mask_type;
-
-	if (mem->page_count == 0)
-		goto out;
-
-	temp = agp_bridge->current_size;
-	num_entries = A_SIZE_FIX(temp)->num_entries;
-
-	if (pg_start < intel_private.gtt_entries) {
-		dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
-			   "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n",
-			   pg_start, intel_private.gtt_entries);
-
-		dev_info(&intel_private.pcidev->dev,
-			 "trying to insert into local/stolen memory\n");
-		goto out_err;
-	}
-
-	if ((pg_start + mem->page_count) > num_entries)
-		goto out_err;
-
-	/* The i830 can't check the GTT for entries since its read only,
-	 * depend on the caller to make the correct offset decisions.
-	 */
-
-	if (type != mem->type)
-		goto out_err;
-
-	mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
-
-	if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY &&
-	    mask_type != INTEL_AGP_CACHED_MEMORY)
-		goto out_err;
-
-	if (!mem->is_flushed)
-		global_cache_flush();
-
-	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
-		writel(agp_bridge->driver->mask_memory(agp_bridge,
-				page_to_phys(mem->pages[i]), mask_type),
-		       intel_private.registers+I810_PTE_BASE+(j*4));
-	}
-	readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
-	agp_bridge->driver->tlb_flush(mem);
-
-out:
-	ret = 0;
-out_err:
-	mem->is_flushed = true;
-	return ret;
-}
-
-static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start,
-				     int type)
-{
-	int i;
-
-	if (mem->page_count == 0)
-		return 0;
-
-	if (pg_start < intel_private.gtt_entries) {
-		dev_info(&intel_private.pcidev->dev,
-			 "trying to disable local/stolen memory\n");
-		return -EINVAL;
-	}
-
-	for (i = pg_start; i < (mem->page_count + pg_start); i++) {
-		writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
-	}
-	readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
-
-	agp_bridge->driver->tlb_flush(mem);
-	return 0;
-}
-
-static struct agp_memory *intel_i830_alloc_by_type(size_t pg_count, int type)
-{
-	if (type == AGP_PHYS_MEMORY)
-		return alloc_agpphysmem_i8xx(pg_count, type);
-	/* always return NULL for other allocation types for now */
-	return NULL;
-}
-
-static int intel_alloc_chipset_flush_resource(void)
-{
-	int ret;
-	ret = pci_bus_alloc_resource(agp_bridge->dev->bus, &intel_private.ifp_resource, PAGE_SIZE,
-				     PAGE_SIZE, PCIBIOS_MIN_MEM, 0,
-				     pcibios_align_resource, agp_bridge->dev);
-
-	return ret;
-}
-
-static void intel_i915_setup_chipset_flush(void)
-{
-	int ret;
-	u32 temp;
-
-	pci_read_config_dword(agp_bridge->dev, I915_IFPADDR, &temp);
-	if (!(temp & 0x1)) {
-		intel_alloc_chipset_flush_resource();
-		intel_private.resource_valid = 1;
-		pci_write_config_dword(agp_bridge->dev, I915_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1);
-	} else {
-		temp &= ~1;
-
-		intel_private.resource_valid = 1;
-		intel_private.ifp_resource.start = temp;
-		intel_private.ifp_resource.end = temp + PAGE_SIZE;
-		ret = request_resource(&iomem_resource, &intel_private.ifp_resource);
-		/* some BIOSes reserve this area in a pnp some don't */
-		if (ret)
-			intel_private.resource_valid = 0;
-	}
-}
-
-static void intel_i965_g33_setup_chipset_flush(void)
-{
-	u32 temp_hi, temp_lo;
-	int ret;
-
-	pci_read_config_dword(agp_bridge->dev, I965_IFPADDR + 4, &temp_hi);
-	pci_read_config_dword(agp_bridge->dev, I965_IFPADDR, &temp_lo);
-
-	if (!(temp_lo & 0x1)) {
-
-		intel_alloc_chipset_flush_resource();
-
-		intel_private.resource_valid = 1;
-		pci_write_config_dword(agp_bridge->dev, I965_IFPADDR + 4,
-			upper_32_bits(intel_private.ifp_resource.start));
-		pci_write_config_dword(agp_bridge->dev, I965_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1);
-	} else {
-		u64 l64;
-
-		temp_lo &= ~0x1;
-		l64 = ((u64)temp_hi << 32) | temp_lo;
-
-		intel_private.resource_valid = 1;
-		intel_private.ifp_resource.start = l64;
-		intel_private.ifp_resource.end = l64 + PAGE_SIZE;
-		ret = request_resource(&iomem_resource, &intel_private.ifp_resource);
-		/* some BIOSes reserve this area in a pnp some don't */
-		if (ret)
-			intel_private.resource_valid = 0;
-	}
-}
-
-static void intel_i9xx_setup_flush(void)
-{
-	/* return if already configured */
-	if (intel_private.ifp_resource.start)
-		return;
-
-	if (IS_SNB)
-		return;
-
-	/* setup a resource for this object */
-	intel_private.ifp_resource.name = "Intel Flush Page";
-	intel_private.ifp_resource.flags = IORESOURCE_MEM;
-
-	/* Setup chipset flush for 915 */
-	if (IS_I965 || IS_G33 || IS_G4X) {
-		intel_i965_g33_setup_chipset_flush();
-	} else {
-		intel_i915_setup_chipset_flush();
-	}
-
-	if (intel_private.ifp_resource.start) {
-		intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE);
-		if (!intel_private.i9xx_flush_page)
-			dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing");
-	}
-}
-
-static int intel_i915_configure(void)
-{
-	struct aper_size_info_fixed *current_size;
-	u32 temp;
-	u16 gmch_ctrl;
-	int i;
-
-	current_size = A_SIZE_FIX(agp_bridge->current_size);
-
-	pci_read_config_dword(intel_private.pcidev, I915_GMADDR, &temp);
-
-	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
-
-	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
-	gmch_ctrl |= I830_GMCH_ENABLED;
-	pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl);
-
-	writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
-	readl(intel_private.registers+I810_PGETBL_CTL);	/* PCI Posting. */
-
-	if (agp_bridge->driver->needs_scratch_page) {
-		for (i = intel_private.gtt_entries; i < intel_private.gtt_total_size; i++) {
-			writel(agp_bridge->scratch_page, intel_private.gtt+i);
-		}
-		readl(intel_private.gtt+i-1);	/* PCI Posting. */
-	}
-
-	global_cache_flush();
-
-	intel_i9xx_setup_flush();
-
-	return 0;
-}
-
-static void intel_i915_cleanup(void)
-{
-	if (intel_private.i9xx_flush_page)
-		iounmap(intel_private.i9xx_flush_page);
-	if (intel_private.resource_valid)
-		release_resource(&intel_private.ifp_resource);
-	intel_private.ifp_resource.start = 0;
-	intel_private.resource_valid = 0;
-	iounmap(intel_private.gtt);
-	iounmap(intel_private.registers);
-}
-
-static void intel_i915_chipset_flush(struct agp_bridge_data *bridge)
-{
-	if (intel_private.i9xx_flush_page)
-		writel(1, intel_private.i9xx_flush_page);
-}
-
-static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start,
-				     int type)
-{
-	int num_entries;
-	void *temp;
-	int ret = -EINVAL;
-	int mask_type;
-
-	if (mem->page_count == 0)
-		goto out;
-
-	temp = agp_bridge->current_size;
-	num_entries = A_SIZE_FIX(temp)->num_entries;
-
-	if (pg_start < intel_private.gtt_entries) {
-		dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
-			   "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n",
-			   pg_start, intel_private.gtt_entries);
-
-		dev_info(&intel_private.pcidev->dev,
-			 "trying to insert into local/stolen memory\n");
-		goto out_err;
-	}
-
-	if ((pg_start + mem->page_count) > num_entries)
-		goto out_err;
-
-	/* The i915 can't check the GTT for entries since it's read only;
-	 * depend on the caller to make the correct offset decisions.
-	 */
-
-	if (type != mem->type)
-		goto out_err;
-
-	mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
-
-	if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY &&
-	    mask_type != INTEL_AGP_CACHED_MEMORY)
-		goto out_err;
-
-	if (!mem->is_flushed)
-		global_cache_flush();
-
-	intel_agp_insert_sg_entries(mem, pg_start, mask_type);
-	agp_bridge->driver->tlb_flush(mem);
-
- out:
-	ret = 0;
- out_err:
-	mem->is_flushed = true;
-	return ret;
-}
-
-static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start,
-				     int type)
-{
-	int i;
-
-	if (mem->page_count == 0)
-		return 0;
-
-	if (pg_start < intel_private.gtt_entries) {
-		dev_info(&intel_private.pcidev->dev,
-			 "trying to disable local/stolen memory\n");
-		return -EINVAL;
-	}
-
-	for (i = pg_start; i < (mem->page_count + pg_start); i++)
-		writel(agp_bridge->scratch_page, intel_private.gtt+i);
-
-	readl(intel_private.gtt+i-1);
-
-	agp_bridge->driver->tlb_flush(mem);
-	return 0;
-}
-
-/* Return the aperture size by just checking the resource length.  The effect
- * described in the spec of the MSAC registers is just changing of the
- * resource size.
- */
-static int intel_i9xx_fetch_size(void)
-{
-	int num_sizes = ARRAY_SIZE(intel_i830_sizes);
-	int aper_size; /* size in megabytes */
-	int i;
-
-	aper_size = pci_resource_len(intel_private.pcidev, 2) / MB(1);
-
-	for (i = 0; i < num_sizes; i++) {
-		if (aper_size == intel_i830_sizes[i].size) {
-			agp_bridge->current_size = intel_i830_sizes + i;
-			agp_bridge->previous_size = agp_bridge->current_size;
-			return aper_size;
-		}
-	}
-
-	return 0;
-}
-
-/* The intel i915 automatically initializes the agp aperture during POST.
- * Use the memory already set aside for in the GTT.
- */
-static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge)
-{
-	int page_order;
-	struct aper_size_info_fixed *size;
-	int num_entries;
-	u32 temp, temp2;
-	int gtt_map_size = 256 * 1024;
-
-	size = agp_bridge->current_size;
-	page_order = size->page_order;
-	num_entries = size->num_entries;
-	agp_bridge->gatt_table_real = NULL;
-
-	pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp);
-	pci_read_config_dword(intel_private.pcidev, I915_PTEADDR, &temp2);
-
-	if (IS_G33)
-	    gtt_map_size = 1024 * 1024; /* 1M on G33 */
-	intel_private.gtt = ioremap(temp2, gtt_map_size);
-	if (!intel_private.gtt)
-		return -ENOMEM;
-
-	intel_private.gtt_total_size = gtt_map_size / 4;
-
-	temp &= 0xfff80000;
-
-	intel_private.registers = ioremap(temp, 128 * 4096);
-	if (!intel_private.registers) {
-		iounmap(intel_private.gtt);
-		return -ENOMEM;
-	}
-
-	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
-	global_cache_flush();	/* FIXME: ? */
-
-	/* we have to call this as early as possible after the MMIO base address is known */
-	intel_i830_init_gtt_entries();
-
-	agp_bridge->gatt_table = NULL;
-
-	agp_bridge->gatt_bus_addr = temp;
-
-	return 0;
-}
-
-/*
- * The i965 supports 36-bit physical addresses, but to keep
- * the format of the GTT the same, the bits that don't fit
- * in a 32-bit word are shifted down to bits 4..7.
- *
- * Gcc is smart enough to notice that "(addr >> 28) & 0xf0"
- * is always zero on 32-bit architectures, so no need to make
- * this conditional.
- */
-static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
-					    dma_addr_t addr, int type)
-{
-	/* Shift high bits down */
-	addr |= (addr >> 28) & 0xf0;
-
-	/* Type checking must be done elsewhere */
-	return addr | bridge->driver->masks[type].mask;
-}
-
-static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
-{
-	u16 snb_gmch_ctl;
-
-	switch (agp_bridge->dev->device) {
-	case PCI_DEVICE_ID_INTEL_GM45_HB:
-	case PCI_DEVICE_ID_INTEL_EAGLELAKE_HB:
-	case PCI_DEVICE_ID_INTEL_Q45_HB:
-	case PCI_DEVICE_ID_INTEL_G45_HB:
-	case PCI_DEVICE_ID_INTEL_G41_HB:
-	case PCI_DEVICE_ID_INTEL_B43_HB:
-	case PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB:
-	case PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB:
-	case PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB:
-	case PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB:
-		*gtt_offset = *gtt_size = MB(2);
-		break;
-	case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB:
-	case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB:
-		*gtt_offset = MB(2);
-
-		pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
-		switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) {
-		default:
-		case SNB_GTT_SIZE_0M:
-			printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl);
-			*gtt_size = MB(0);
-			break;
-		case SNB_GTT_SIZE_1M:
-			*gtt_size = MB(1);
-			break;
-		case SNB_GTT_SIZE_2M:
-			*gtt_size = MB(2);
-			break;
-		}
-		break;
-	default:
-		*gtt_offset = *gtt_size = KB(512);
-	}
-}
-
-/* The intel i965 automatically initializes the agp aperture during POST.
- * Use the memory already set aside for in the GTT.
- */
-static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge)
-{
-	int page_order;
-	struct aper_size_info_fixed *size;
-	int num_entries;
-	u32 temp;
-	int gtt_offset, gtt_size;
-
-	size = agp_bridge->current_size;
-	page_order = size->page_order;
-	num_entries = size->num_entries;
-	agp_bridge->gatt_table_real = NULL;
-
-	pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp);
-
-	temp &= 0xfff00000;
-
-	intel_i965_get_gtt_range(&gtt_offset, &gtt_size);
-
-	intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size);
-
-	if (!intel_private.gtt)
-		return -ENOMEM;
-
-	intel_private.gtt_total_size = gtt_size / 4;
-
-	intel_private.registers = ioremap(temp, 128 * 4096);
-	if (!intel_private.registers) {
-		iounmap(intel_private.gtt);
-		return -ENOMEM;
-	}
-
-	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
-	global_cache_flush();   /* FIXME: ? */
-
-	/* we have to call this as early as possible after the MMIO base address is known */
-	intel_i830_init_gtt_entries();
-
-	agp_bridge->gatt_table = NULL;
-
-	agp_bridge->gatt_bus_addr = temp;
-
-	return 0;
-}
-
-
 static int intel_fetch_size(void)
 {
 	int i;
@@ -1848,33 +484,6 @@ static const struct agp_bridge_driver intel_generic_driver = {
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static const struct agp_bridge_driver intel_810_driver = {
-	.owner			= THIS_MODULE,
-	.aperture_sizes		= intel_i810_sizes,
-	.size_type		= FIXED_APER_SIZE,
-	.num_aperture_sizes	= 2,
-	.needs_scratch_page	= true,
-	.configure		= intel_i810_configure,
-	.fetch_size		= intel_i810_fetch_size,
-	.cleanup		= intel_i810_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
-	.mask_memory		= intel_i810_mask_memory,
-	.masks			= intel_i810_masks,
-	.agp_enable		= intel_i810_agp_enable,
-	.cache_flush		= global_cache_flush,
-	.create_gatt_table	= agp_generic_create_gatt_table,
-	.free_gatt_table	= agp_generic_free_gatt_table,
-	.insert_memory		= intel_i810_insert_entries,
-	.remove_memory		= intel_i810_remove_entries,
-	.alloc_by_type		= intel_i810_alloc_by_type,
-	.free_by_type		= intel_i810_free_by_type,
-	.agp_alloc_page		= agp_generic_alloc_page,
-	.agp_alloc_pages        = agp_generic_alloc_pages,
-	.agp_destroy_page	= agp_generic_destroy_page,
-	.agp_destroy_pages      = agp_generic_destroy_pages,
-	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
-};
-
 static const struct agp_bridge_driver intel_815_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_815_sizes,
@@ -1901,34 +510,6 @@ static const struct agp_bridge_driver intel_815_driver = {
 	.agp_type_to_mask_type	= agp_generic_type_to_mask_type,
 };
 
-static const struct agp_bridge_driver intel_830_driver = {
-	.owner			= THIS_MODULE,
-	.aperture_sizes		= intel_i830_sizes,
-	.size_type		= FIXED_APER_SIZE,
-	.num_aperture_sizes	= 4,
-	.needs_scratch_page	= true,
-	.configure		= intel_i830_configure,
-	.fetch_size		= intel_i830_fetch_size,
-	.cleanup		= intel_i830_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
-	.mask_memory		= intel_i810_mask_memory,
-	.masks			= intel_i810_masks,
-	.agp_enable		= intel_i810_agp_enable,
-	.cache_flush		= global_cache_flush,
-	.create_gatt_table	= intel_i830_create_gatt_table,
-	.free_gatt_table	= intel_i830_free_gatt_table,
-	.insert_memory		= intel_i830_insert_entries,
-	.remove_memory		= intel_i830_remove_entries,
-	.alloc_by_type		= intel_i830_alloc_by_type,
-	.free_by_type		= intel_i810_free_by_type,
-	.agp_alloc_page		= agp_generic_alloc_page,
-	.agp_alloc_pages        = agp_generic_alloc_pages,
-	.agp_destroy_page	= agp_generic_destroy_page,
-	.agp_destroy_pages      = agp_generic_destroy_pages,
-	.agp_type_to_mask_type  = intel_i830_type_to_mask_type,
-	.chipset_flush		= intel_i830_chipset_flush,
-};
-
 static const struct agp_bridge_driver intel_820_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_8xx_sizes,
@@ -2085,74 +666,6 @@ static const struct agp_bridge_driver intel_860_driver = {
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static const struct agp_bridge_driver intel_915_driver = {
-	.owner			= THIS_MODULE,
-	.aperture_sizes		= intel_i830_sizes,
-	.size_type		= FIXED_APER_SIZE,
-	.num_aperture_sizes	= 4,
-	.needs_scratch_page	= true,
-	.configure		= intel_i915_configure,
-	.fetch_size		= intel_i9xx_fetch_size,
-	.cleanup		= intel_i915_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
-	.mask_memory		= intel_i810_mask_memory,
-	.masks			= intel_i810_masks,
-	.agp_enable		= intel_i810_agp_enable,
-	.cache_flush		= global_cache_flush,
-	.create_gatt_table	= intel_i915_create_gatt_table,
-	.free_gatt_table	= intel_i830_free_gatt_table,
-	.insert_memory		= intel_i915_insert_entries,
-	.remove_memory		= intel_i915_remove_entries,
-	.alloc_by_type		= intel_i830_alloc_by_type,
-	.free_by_type		= intel_i810_free_by_type,
-	.agp_alloc_page		= agp_generic_alloc_page,
-	.agp_alloc_pages        = agp_generic_alloc_pages,
-	.agp_destroy_page	= agp_generic_destroy_page,
-	.agp_destroy_pages      = agp_generic_destroy_pages,
-	.agp_type_to_mask_type  = intel_i830_type_to_mask_type,
-	.chipset_flush		= intel_i915_chipset_flush,
-#ifdef USE_PCI_DMA_API
-	.agp_map_page		= intel_agp_map_page,
-	.agp_unmap_page		= intel_agp_unmap_page,
-	.agp_map_memory		= intel_agp_map_memory,
-	.agp_unmap_memory	= intel_agp_unmap_memory,
-#endif
-};
-
-static const struct agp_bridge_driver intel_i965_driver = {
-	.owner			= THIS_MODULE,
-	.aperture_sizes		= intel_i830_sizes,
-	.size_type		= FIXED_APER_SIZE,
-	.num_aperture_sizes	= 4,
-	.needs_scratch_page	= true,
-	.configure		= intel_i915_configure,
-	.fetch_size		= intel_i9xx_fetch_size,
-	.cleanup		= intel_i915_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
-	.mask_memory		= intel_i965_mask_memory,
-	.masks			= intel_i810_masks,
-	.agp_enable		= intel_i810_agp_enable,
-	.cache_flush		= global_cache_flush,
-	.create_gatt_table	= intel_i965_create_gatt_table,
-	.free_gatt_table	= intel_i830_free_gatt_table,
-	.insert_memory		= intel_i915_insert_entries,
-	.remove_memory		= intel_i915_remove_entries,
-	.alloc_by_type		= intel_i830_alloc_by_type,
-	.free_by_type		= intel_i810_free_by_type,
-	.agp_alloc_page		= agp_generic_alloc_page,
-	.agp_alloc_pages        = agp_generic_alloc_pages,
-	.agp_destroy_page	= agp_generic_destroy_page,
-	.agp_destroy_pages      = agp_generic_destroy_pages,
-	.agp_type_to_mask_type	= intel_i830_type_to_mask_type,
-	.chipset_flush		= intel_i915_chipset_flush,
-#ifdef USE_PCI_DMA_API
-	.agp_map_page		= intel_agp_map_page,
-	.agp_unmap_page		= intel_agp_unmap_page,
-	.agp_map_memory		= intel_agp_map_memory,
-	.agp_unmap_memory	= intel_agp_unmap_memory,
-#endif
-};
-
 static const struct agp_bridge_driver intel_7505_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_8xx_sizes,
@@ -2179,40 +692,6 @@ static const struct agp_bridge_driver intel_7505_driver = {
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static const struct agp_bridge_driver intel_g33_driver = {
-	.owner			= THIS_MODULE,
-	.aperture_sizes		= intel_i830_sizes,
-	.size_type		= FIXED_APER_SIZE,
-	.num_aperture_sizes	= 4,
-	.needs_scratch_page	= true,
-	.configure		= intel_i915_configure,
-	.fetch_size		= intel_i9xx_fetch_size,
-	.cleanup		= intel_i915_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
-	.mask_memory		= intel_i965_mask_memory,
-	.masks			= intel_i810_masks,
-	.agp_enable		= intel_i810_agp_enable,
-	.cache_flush		= global_cache_flush,
-	.create_gatt_table	= intel_i915_create_gatt_table,
-	.free_gatt_table	= intel_i830_free_gatt_table,
-	.insert_memory		= intel_i915_insert_entries,
-	.remove_memory		= intel_i915_remove_entries,
-	.alloc_by_type		= intel_i830_alloc_by_type,
-	.free_by_type		= intel_i810_free_by_type,
-	.agp_alloc_page		= agp_generic_alloc_page,
-	.agp_alloc_pages        = agp_generic_alloc_pages,
-	.agp_destroy_page	= agp_generic_destroy_page,
-	.agp_destroy_pages      = agp_generic_destroy_pages,
-	.agp_type_to_mask_type	= intel_i830_type_to_mask_type,
-	.chipset_flush		= intel_i915_chipset_flush,
-#ifdef USE_PCI_DMA_API
-	.agp_map_page		= intel_agp_map_page,
-	.agp_unmap_page		= intel_agp_unmap_page,
-	.agp_map_memory		= intel_agp_map_memory,
-	.agp_unmap_memory	= intel_agp_unmap_memory,
-#endif
-};
-
 static int find_gmch(u16 device)
 {
 	struct pci_dev *gmch_device;
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
new file mode 100644
index 00000000000..131c5d5e427
--- /dev/null
+++ b/drivers/char/agp/intel-gtt.c
@@ -0,0 +1,1535 @@
+/*
+ * Intel GTT (Graphics Translation Table) routines
+ *
+ * Caveat: This driver implements the linux agp interface, but this is far from
+ * a agp driver! GTT support ended up here for purely historical reasons: The
+ * old userspace intel graphics drivers needed an interface to map memory into
+ * the GTT. And the drm provides a default interface for graphic devices sitting
+ * on an agp port. So it made sense to fake the GTT support as an agp port to
+ * avoid having to create a new api.
+ *
+ * With gem this does not make much sense anymore, just needlessly complicates
+ * the code. But as long as the old graphics stack is still support, it's stuck
+ * here.
+ *
+ * /fairy-tale-mode off
+ */
+
+/*
+ * If we have Intel graphics, we're not going to have anything other than
+ * an Intel IOMMU. So make the correct use of the PCI DMA API contingent
+ * on the Intel IOMMU support (CONFIG_DMAR).
+ * Only newer chipsets need to bother with this, of course.
+ */
+#ifdef CONFIG_DMAR
+#define USE_PCI_DMA_API 1
+#endif
+
+static const struct aper_size_info_fixed intel_i810_sizes[] =
+{
+	{64, 16384, 4},
+	/* The 32M mode still requires a 64k gatt */
+	{32, 8192, 4}
+};
+
+#define AGP_DCACHE_MEMORY	1
+#define AGP_PHYS_MEMORY		2
+#define INTEL_AGP_CACHED_MEMORY 3
+
+static struct gatt_mask intel_i810_masks[] =
+{
+	{.mask = I810_PTE_VALID, .type = 0},
+	{.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY},
+	{.mask = I810_PTE_VALID, .type = 0},
+	{.mask = I810_PTE_VALID | I830_PTE_SYSTEM_CACHED,
+	 .type = INTEL_AGP_CACHED_MEMORY}
+};
+
+static struct _intel_private {
+	struct pci_dev *pcidev;	/* device one */
+	u8 __iomem *registers;
+	u32 __iomem *gtt;		/* I915G */
+	int num_dcache_entries;
+	/* gtt_entries is the number of gtt entries that are already mapped
+	 * to stolen memory.  Stolen memory is larger than the memory mapped
+	 * through gtt_entries, as it includes some reserved space for the BIOS
+	 * popup and for the GTT.
+	 */
+	int gtt_entries;			/* i830+ */
+	int gtt_total_size;
+	union {
+		void __iomem *i9xx_flush_page;
+		void *i8xx_flush_page;
+	};
+	struct page *i8xx_page;
+	struct resource ifp_resource;
+	int resource_valid;
+} intel_private;
+
+#ifdef USE_PCI_DMA_API
+static int intel_agp_map_page(struct page *page, dma_addr_t *ret)
+{
+	*ret = pci_map_page(intel_private.pcidev, page, 0,
+			    PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+	if (pci_dma_mapping_error(intel_private.pcidev, *ret))
+		return -EINVAL;
+	return 0;
+}
+
+static void intel_agp_unmap_page(struct page *page, dma_addr_t dma)
+{
+	pci_unmap_page(intel_private.pcidev, dma,
+		       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+}
+
+static void intel_agp_free_sglist(struct agp_memory *mem)
+{
+	struct sg_table st;
+
+	st.sgl = mem->sg_list;
+	st.orig_nents = st.nents = mem->page_count;
+
+	sg_free_table(&st);
+
+	mem->sg_list = NULL;
+	mem->num_sg = 0;
+}
+
+static int intel_agp_map_memory(struct agp_memory *mem)
+{
+	struct sg_table st;
+	struct scatterlist *sg;
+	int i;
+
+	DBG("try mapping %lu pages\n", (unsigned long)mem->page_count);
+
+	if (sg_alloc_table(&st, mem->page_count, GFP_KERNEL))
+		return -ENOMEM;
+
+	mem->sg_list = sg = st.sgl;
+
+	for (i = 0 ; i < mem->page_count; i++, sg = sg_next(sg))
+		sg_set_page(sg, mem->pages[i], PAGE_SIZE, 0);
+
+	mem->num_sg = pci_map_sg(intel_private.pcidev, mem->sg_list,
+				 mem->page_count, PCI_DMA_BIDIRECTIONAL);
+	if (unlikely(!mem->num_sg)) {
+		intel_agp_free_sglist(mem);
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+static void intel_agp_unmap_memory(struct agp_memory *mem)
+{
+	DBG("try unmapping %lu pages\n", (unsigned long)mem->page_count);
+
+	pci_unmap_sg(intel_private.pcidev, mem->sg_list,
+		     mem->page_count, PCI_DMA_BIDIRECTIONAL);
+	intel_agp_free_sglist(mem);
+}
+
+static void intel_agp_insert_sg_entries(struct agp_memory *mem,
+					off_t pg_start, int mask_type)
+{
+	struct scatterlist *sg;
+	int i, j;
+
+	j = pg_start;
+
+	WARN_ON(!mem->num_sg);
+
+	if (mem->num_sg == mem->page_count) {
+		for_each_sg(mem->sg_list, sg, mem->page_count, i) {
+			writel(agp_bridge->driver->mask_memory(agp_bridge,
+					sg_dma_address(sg), mask_type),
+					intel_private.gtt+j);
+			j++;
+		}
+	} else {
+		/* sg may merge pages, but we have to separate
+		 * per-page addr for GTT */
+		unsigned int len, m;
+
+		for_each_sg(mem->sg_list, sg, mem->num_sg, i) {
+			len = sg_dma_len(sg) / PAGE_SIZE;
+			for (m = 0; m < len; m++) {
+				writel(agp_bridge->driver->mask_memory(agp_bridge,
+								       sg_dma_address(sg) + m * PAGE_SIZE,
+								       mask_type),
+				       intel_private.gtt+j);
+				j++;
+			}
+		}
+	}
+	readl(intel_private.gtt+j-1);
+}
+
+#else
+
+static void intel_agp_insert_sg_entries(struct agp_memory *mem,
+					off_t pg_start, int mask_type)
+{
+	int i, j;
+	u32 cache_bits = 0;
+
+	if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB ||
+	    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+	{
+		cache_bits = I830_PTE_SYSTEM_CACHED;
+	}
+
+	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
+		writel(agp_bridge->driver->mask_memory(agp_bridge,
+				page_to_phys(mem->pages[i]), mask_type),
+		       intel_private.gtt+j);
+	}
+
+	readl(intel_private.gtt+j-1);
+}
+
+#endif
+
+static int intel_i810_fetch_size(void)
+{
+	u32 smram_miscc;
+	struct aper_size_info_fixed *values;
+
+	pci_read_config_dword(agp_bridge->dev, I810_SMRAM_MISCC, &smram_miscc);
+	values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
+
+	if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) {
+		dev_warn(&agp_bridge->dev->dev, "i810 is disabled\n");
+		return 0;
+	}
+	if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) {
+		agp_bridge->previous_size =
+			agp_bridge->current_size = (void *) (values + 1);
+		agp_bridge->aperture_size_idx = 1;
+		return values[1].size;
+	} else {
+		agp_bridge->previous_size =
+			agp_bridge->current_size = (void *) (values);
+		agp_bridge->aperture_size_idx = 0;
+		return values[0].size;
+	}
+
+	return 0;
+}
+
+static int intel_i810_configure(void)
+{
+	struct aper_size_info_fixed *current_size;
+	u32 temp;
+	int i;
+
+	current_size = A_SIZE_FIX(agp_bridge->current_size);
+
+	if (!intel_private.registers) {
+		pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp);
+		temp &= 0xfff80000;
+
+		intel_private.registers = ioremap(temp, 128 * 4096);
+		if (!intel_private.registers) {
+			dev_err(&intel_private.pcidev->dev,
+				"can't remap memory\n");
+			return -ENOMEM;
+		}
+	}
+
+	if ((readl(intel_private.registers+I810_DRAM_CTL)
+		& I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
+		/* This will need to be dynamically assigned */
+		dev_info(&intel_private.pcidev->dev,
+			 "detected 4MB dedicated video ram\n");
+		intel_private.num_dcache_entries = 1024;
+	}
+	pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp);
+	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+	writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
+	readl(intel_private.registers+I810_PGETBL_CTL);	/* PCI Posting. */
+
+	if (agp_bridge->driver->needs_scratch_page) {
+		for (i = 0; i < current_size->num_entries; i++) {
+			writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
+		}
+		readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));	/* PCI posting. */
+	}
+	global_cache_flush();
+	return 0;
+}
+
+static void intel_i810_cleanup(void)
+{
+	writel(0, intel_private.registers+I810_PGETBL_CTL);
+	readl(intel_private.registers);	/* PCI Posting. */
+	iounmap(intel_private.registers);
+}
+
+static void intel_i810_tlbflush(struct agp_memory *mem)
+{
+	return;
+}
+
+static void intel_i810_agp_enable(struct agp_bridge_data *bridge, u32 mode)
+{
+	return;
+}
+
+/* Exists to support ARGB cursors */
+static struct page *i8xx_alloc_pages(void)
+{
+	struct page *page;
+
+	page = alloc_pages(GFP_KERNEL | GFP_DMA32, 2);
+	if (page == NULL)
+		return NULL;
+
+	if (set_pages_uc(page, 4) < 0) {
+		set_pages_wb(page, 4);
+		__free_pages(page, 2);
+		return NULL;
+	}
+	get_page(page);
+	atomic_inc(&agp_bridge->current_memory_agp);
+	return page;
+}
+
+static void i8xx_destroy_pages(struct page *page)
+{
+	if (page == NULL)
+		return;
+
+	set_pages_wb(page, 4);
+	put_page(page);
+	__free_pages(page, 2);
+	atomic_dec(&agp_bridge->current_memory_agp);
+}
+
+static int intel_i830_type_to_mask_type(struct agp_bridge_data *bridge,
+					int type)
+{
+	if (type < AGP_USER_TYPES)
+		return type;
+	else if (type == AGP_USER_CACHED_MEMORY)
+		return INTEL_AGP_CACHED_MEMORY;
+	else
+		return 0;
+}
+
+static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start,
+				int type)
+{
+	int i, j, num_entries;
+	void *temp;
+	int ret = -EINVAL;
+	int mask_type;
+
+	if (mem->page_count == 0)
+		goto out;
+
+	temp = agp_bridge->current_size;
+	num_entries = A_SIZE_FIX(temp)->num_entries;
+
+	if ((pg_start + mem->page_count) > num_entries)
+		goto out_err;
+
+
+	for (j = pg_start; j < (pg_start + mem->page_count); j++) {
+		if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) {
+			ret = -EBUSY;
+			goto out_err;
+		}
+	}
+
+	if (type != mem->type)
+		goto out_err;
+
+	mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
+
+	switch (mask_type) {
+	case AGP_DCACHE_MEMORY:
+		if (!mem->is_flushed)
+			global_cache_flush();
+		for (i = pg_start; i < (pg_start + mem->page_count); i++) {
+			writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID,
+			       intel_private.registers+I810_PTE_BASE+(i*4));
+		}
+		readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
+		break;
+	case AGP_PHYS_MEMORY:
+	case AGP_NORMAL_MEMORY:
+		if (!mem->is_flushed)
+			global_cache_flush();
+		for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
+			writel(agp_bridge->driver->mask_memory(agp_bridge,
+					page_to_phys(mem->pages[i]), mask_type),
+			       intel_private.registers+I810_PTE_BASE+(j*4));
+		}
+		readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
+		break;
+	default:
+		goto out_err;
+	}
+
+	agp_bridge->driver->tlb_flush(mem);
+out:
+	ret = 0;
+out_err:
+	mem->is_flushed = true;
+	return ret;
+}
+
+static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start,
+				int type)
+{
+	int i;
+
+	if (mem->page_count == 0)
+		return 0;
+
+	for (i = pg_start; i < (mem->page_count + pg_start); i++) {
+		writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
+	}
+	readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
+
+	agp_bridge->driver->tlb_flush(mem);
+	return 0;
+}
+
+/*
+ * The i810/i830 requires a physical address to program its mouse
+ * pointer into hardware.
+ * However the Xserver still writes to it through the agp aperture.
+ */
+static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
+{
+	struct agp_memory *new;
+	struct page *page;
+
+	switch (pg_count) {
+	case 1: page = agp_bridge->driver->agp_alloc_page(agp_bridge);
+		break;
+	case 4:
+		/* kludge to get 4 physical pages for ARGB cursor */
+		page = i8xx_alloc_pages();
+		break;
+	default:
+		return NULL;
+	}
+
+	if (page == NULL)
+		return NULL;
+
+	new = agp_create_memory(pg_count);
+	if (new == NULL)
+		return NULL;
+
+	new->pages[0] = page;
+	if (pg_count == 4) {
+		/* kludge to get 4 physical pages for ARGB cursor */
+		new->pages[1] = new->pages[0] + 1;
+		new->pages[2] = new->pages[1] + 1;
+		new->pages[3] = new->pages[2] + 1;
+	}
+	new->page_count = pg_count;
+	new->num_scratch_pages = pg_count;
+	new->type = AGP_PHYS_MEMORY;
+	new->physical = page_to_phys(new->pages[0]);
+	return new;
+}
+
+static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type)
+{
+	struct agp_memory *new;
+
+	if (type == AGP_DCACHE_MEMORY) {
+		if (pg_count != intel_private.num_dcache_entries)
+			return NULL;
+
+		new = agp_create_memory(1);
+		if (new == NULL)
+			return NULL;
+
+		new->type = AGP_DCACHE_MEMORY;
+		new->page_count = pg_count;
+		new->num_scratch_pages = 0;
+		agp_free_page_array(new);
+		return new;
+	}
+	if (type == AGP_PHYS_MEMORY)
+		return alloc_agpphysmem_i8xx(pg_count, type);
+	return NULL;
+}
+
+static void intel_i810_free_by_type(struct agp_memory *curr)
+{
+	agp_free_key(curr->key);
+	if (curr->type == AGP_PHYS_MEMORY) {
+		if (curr->page_count == 4)
+			i8xx_destroy_pages(curr->pages[0]);
+		else {
+			agp_bridge->driver->agp_destroy_page(curr->pages[0],
+							     AGP_PAGE_DESTROY_UNMAP);
+			agp_bridge->driver->agp_destroy_page(curr->pages[0],
+							     AGP_PAGE_DESTROY_FREE);
+		}
+		agp_free_page_array(curr);
+	}
+	kfree(curr);
+}
+
+static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge,
+					    dma_addr_t addr, int type)
+{
+	/* Type checking must be done elsewhere */
+	return addr | bridge->driver->masks[type].mask;
+}
+
+static struct aper_size_info_fixed intel_i830_sizes[] =
+{
+	{128, 32768, 5},
+	/* The 64M mode still requires a 128k gatt */
+	{64, 16384, 5},
+	{256, 65536, 6},
+	{512, 131072, 7},
+};
+
+static void intel_i830_init_gtt_entries(void)
+{
+	u16 gmch_ctrl;
+	int gtt_entries = 0;
+	u8 rdct;
+	int local = 0;
+	static const int ddt[4] = { 0, 16, 32, 64 };
+	int size; /* reserved space (in kb) at the top of stolen memory */
+
+	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
+
+	if (IS_I965) {
+		u32 pgetbl_ctl;
+		pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL);
+
+		/* The 965 has a field telling us the size of the GTT,
+		 * which may be larger than what is necessary to map the
+		 * aperture.
+		 */
+		switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) {
+		case I965_PGETBL_SIZE_128KB:
+			size = 128;
+			break;
+		case I965_PGETBL_SIZE_256KB:
+			size = 256;
+			break;
+		case I965_PGETBL_SIZE_512KB:
+			size = 512;
+			break;
+		case I965_PGETBL_SIZE_1MB:
+			size = 1024;
+			break;
+		case I965_PGETBL_SIZE_2MB:
+			size = 2048;
+			break;
+		case I965_PGETBL_SIZE_1_5MB:
+			size = 1024 + 512;
+			break;
+		default:
+			dev_info(&intel_private.pcidev->dev,
+				 "unknown page table size, assuming 512KB\n");
+			size = 512;
+		}
+		size += 4; /* add in BIOS popup space */
+	} else if (IS_G33 && !IS_PINEVIEW) {
+	/* G33's GTT size defined in gmch_ctrl */
+		switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) {
+		case G33_PGETBL_SIZE_1M:
+			size = 1024;
+			break;
+		case G33_PGETBL_SIZE_2M:
+			size = 2048;
+			break;
+		default:
+			dev_info(&agp_bridge->dev->dev,
+				 "unknown page table size 0x%x, assuming 512KB\n",
+				(gmch_ctrl & G33_PGETBL_SIZE_MASK));
+			size = 512;
+		}
+		size += 4;
+	} else if (IS_G4X || IS_PINEVIEW) {
+		/* On 4 series hardware, GTT stolen is separate from graphics
+		 * stolen, ignore it in stolen gtt entries counting.  However,
+		 * 4KB of the stolen memory doesn't get mapped to the GTT.
+		 */
+		size = 4;
+	} else {
+		/* On previous hardware, the GTT size was just what was
+		 * required to map the aperture.
+		 */
+		size = agp_bridge->driver->fetch_size() + 4;
+	}
+
+	if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB ||
+	    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) {
+		switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
+		case I830_GMCH_GMS_STOLEN_512:
+			gtt_entries = KB(512) - KB(size);
+			break;
+		case I830_GMCH_GMS_STOLEN_1024:
+			gtt_entries = MB(1) - KB(size);
+			break;
+		case I830_GMCH_GMS_STOLEN_8192:
+			gtt_entries = MB(8) - KB(size);
+			break;
+		case I830_GMCH_GMS_LOCAL:
+			rdct = readb(intel_private.registers+I830_RDRAM_CHANNEL_TYPE);
+			gtt_entries = (I830_RDRAM_ND(rdct) + 1) *
+					MB(ddt[I830_RDRAM_DDT(rdct)]);
+			local = 1;
+			break;
+		default:
+			gtt_entries = 0;
+			break;
+		}
+	} else if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB ||
+		   agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) {
+		/*
+		 * SandyBridge has new memory control reg at 0x50.w
+		 */
+		u16 snb_gmch_ctl;
+		pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+		switch (snb_gmch_ctl & SNB_GMCH_GMS_STOLEN_MASK) {
+		case SNB_GMCH_GMS_STOLEN_32M:
+			gtt_entries = MB(32) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_64M:
+			gtt_entries = MB(64) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_96M:
+			gtt_entries = MB(96) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_128M:
+			gtt_entries = MB(128) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_160M:
+			gtt_entries = MB(160) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_192M:
+			gtt_entries = MB(192) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_224M:
+			gtt_entries = MB(224) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_256M:
+			gtt_entries = MB(256) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_288M:
+			gtt_entries = MB(288) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_320M:
+			gtt_entries = MB(320) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_352M:
+			gtt_entries = MB(352) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_384M:
+			gtt_entries = MB(384) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_416M:
+			gtt_entries = MB(416) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_448M:
+			gtt_entries = MB(448) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_480M:
+			gtt_entries = MB(480) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_512M:
+			gtt_entries = MB(512) - KB(size);
+			break;
+		}
+	} else {
+		switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
+		case I855_GMCH_GMS_STOLEN_1M:
+			gtt_entries = MB(1) - KB(size);
+			break;
+		case I855_GMCH_GMS_STOLEN_4M:
+			gtt_entries = MB(4) - KB(size);
+			break;
+		case I855_GMCH_GMS_STOLEN_8M:
+			gtt_entries = MB(8) - KB(size);
+			break;
+		case I855_GMCH_GMS_STOLEN_16M:
+			gtt_entries = MB(16) - KB(size);
+			break;
+		case I855_GMCH_GMS_STOLEN_32M:
+			gtt_entries = MB(32) - KB(size);
+			break;
+		case I915_GMCH_GMS_STOLEN_48M:
+			/* Check it's really I915G */
+			if (IS_I915 || IS_I965 || IS_G33 || IS_G4X)
+				gtt_entries = MB(48) - KB(size);
+			else
+				gtt_entries = 0;
+			break;
+		case I915_GMCH_GMS_STOLEN_64M:
+			/* Check it's really I915G */
+			if (IS_I915 || IS_I965 || IS_G33 || IS_G4X)
+				gtt_entries = MB(64) - KB(size);
+			else
+				gtt_entries = 0;
+			break;
+		case G33_GMCH_GMS_STOLEN_128M:
+			if (IS_G33 || IS_I965 || IS_G4X)
+				gtt_entries = MB(128) - KB(size);
+			else
+				gtt_entries = 0;
+			break;
+		case G33_GMCH_GMS_STOLEN_256M:
+			if (IS_G33 || IS_I965 || IS_G4X)
+				gtt_entries = MB(256) - KB(size);
+			else
+				gtt_entries = 0;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_96M:
+			if (IS_I965 || IS_G4X)
+				gtt_entries = MB(96) - KB(size);
+			else
+				gtt_entries = 0;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_160M:
+			if (IS_I965 || IS_G4X)
+				gtt_entries = MB(160) - KB(size);
+			else
+				gtt_entries = 0;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_224M:
+			if (IS_I965 || IS_G4X)
+				gtt_entries = MB(224) - KB(size);
+			else
+				gtt_entries = 0;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_352M:
+			if (IS_I965 || IS_G4X)
+				gtt_entries = MB(352) - KB(size);
+			else
+				gtt_entries = 0;
+			break;
+		default:
+			gtt_entries = 0;
+			break;
+		}
+	}
+	if (gtt_entries > 0) {
+		dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n",
+		       gtt_entries / KB(1), local ? "local" : "stolen");
+		gtt_entries /= KB(4);
+	} else {
+		dev_info(&agp_bridge->dev->dev,
+		       "no pre-allocated video memory detected\n");
+		gtt_entries = 0;
+	}
+
+	intel_private.gtt_entries = gtt_entries;
+}
+
+static void intel_i830_fini_flush(void)
+{
+	kunmap(intel_private.i8xx_page);
+	intel_private.i8xx_flush_page = NULL;
+	unmap_page_from_agp(intel_private.i8xx_page);
+
+	__free_page(intel_private.i8xx_page);
+	intel_private.i8xx_page = NULL;
+}
+
+static void intel_i830_setup_flush(void)
+{
+	/* return if we've already set the flush mechanism up */
+	if (intel_private.i8xx_page)
+		return;
+
+	intel_private.i8xx_page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32);
+	if (!intel_private.i8xx_page)
+		return;
+
+	intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page);
+	if (!intel_private.i8xx_flush_page)
+		intel_i830_fini_flush();
+}
+
+/* The chipset_flush interface needs to get data that has already been
+ * flushed out of the CPU all the way out to main memory, because the GPU
+ * doesn't snoop those buffers.
+ *
+ * The 8xx series doesn't have the same lovely interface for flushing the
+ * chipset write buffers that the later chips do. According to the 865
+ * specs, it's 64 octwords, or 1KB.  So, to get those previous things in
+ * that buffer out, we just fill 1KB and clflush it out, on the assumption
+ * that it'll push whatever was in there out.  It appears to work.
+ */
+static void intel_i830_chipset_flush(struct agp_bridge_data *bridge)
+{
+	unsigned int *pg = intel_private.i8xx_flush_page;
+
+	memset(pg, 0, 1024);
+
+	if (cpu_has_clflush)
+		clflush_cache_range(pg, 1024);
+	else if (wbinvd_on_all_cpus() != 0)
+		printk(KERN_ERR "Timed out waiting for cache flush.\n");
+}
+
+/* The intel i830 automatically initializes the agp aperture during POST.
+ * Use the memory already set aside for in the GTT.
+ */
+static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge)
+{
+	int page_order;
+	struct aper_size_info_fixed *size;
+	int num_entries;
+	u32 temp;
+
+	size = agp_bridge->current_size;
+	page_order = size->page_order;
+	num_entries = size->num_entries;
+	agp_bridge->gatt_table_real = NULL;
+
+	pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp);
+	temp &= 0xfff80000;
+
+	intel_private.registers = ioremap(temp, 128 * 4096);
+	if (!intel_private.registers)
+		return -ENOMEM;
+
+	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
+	global_cache_flush();	/* FIXME: ?? */
+
+	/* we have to call this as early as possible after the MMIO base address is known */
+	intel_i830_init_gtt_entries();
+
+	agp_bridge->gatt_table = NULL;
+
+	agp_bridge->gatt_bus_addr = temp;
+
+	return 0;
+}
+
+/* Return the gatt table to a sane state. Use the top of stolen
+ * memory for the GTT.
+ */
+static int intel_i830_free_gatt_table(struct agp_bridge_data *bridge)
+{
+	return 0;
+}
+
+static int intel_i830_fetch_size(void)
+{
+	u16 gmch_ctrl;
+	struct aper_size_info_fixed *values;
+
+	values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
+
+	if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB &&
+	    agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) {
+		/* 855GM/852GM/865G has 128MB aperture size */
+		agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
+		agp_bridge->aperture_size_idx = 0;
+		return values[0].size;
+	}
+
+	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
+
+	if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) {
+		agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
+		agp_bridge->aperture_size_idx = 0;
+		return values[0].size;
+	} else {
+		agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1);
+		agp_bridge->aperture_size_idx = 1;
+		return values[1].size;
+	}
+
+	return 0;
+}
+
+static int intel_i830_configure(void)
+{
+	struct aper_size_info_fixed *current_size;
+	u32 temp;
+	u16 gmch_ctrl;
+	int i;
+
+	current_size = A_SIZE_FIX(agp_bridge->current_size);
+
+	pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp);
+	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+
+	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
+	gmch_ctrl |= I830_GMCH_ENABLED;
+	pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl);
+
+	writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
+	readl(intel_private.registers+I810_PGETBL_CTL);	/* PCI Posting. */
+
+	if (agp_bridge->driver->needs_scratch_page) {
+		for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) {
+			writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
+		}
+		readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));	/* PCI Posting. */
+	}
+
+	global_cache_flush();
+
+	intel_i830_setup_flush();
+	return 0;
+}
+
+static void intel_i830_cleanup(void)
+{
+	iounmap(intel_private.registers);
+}
+
+static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
+				     int type)
+{
+	int i, j, num_entries;
+	void *temp;
+	int ret = -EINVAL;
+	int mask_type;
+
+	if (mem->page_count == 0)
+		goto out;
+
+	temp = agp_bridge->current_size;
+	num_entries = A_SIZE_FIX(temp)->num_entries;
+
+	if (pg_start < intel_private.gtt_entries) {
+		dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
+			   "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n",
+			   pg_start, intel_private.gtt_entries);
+
+		dev_info(&intel_private.pcidev->dev,
+			 "trying to insert into local/stolen memory\n");
+		goto out_err;
+	}
+
+	if ((pg_start + mem->page_count) > num_entries)
+		goto out_err;
+
+	/* The i830 can't check the GTT for entries since its read only,
+	 * depend on the caller to make the correct offset decisions.
+	 */
+
+	if (type != mem->type)
+		goto out_err;
+
+	mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
+
+	if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY &&
+	    mask_type != INTEL_AGP_CACHED_MEMORY)
+		goto out_err;
+
+	if (!mem->is_flushed)
+		global_cache_flush();
+
+	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
+		writel(agp_bridge->driver->mask_memory(agp_bridge,
+				page_to_phys(mem->pages[i]), mask_type),
+		       intel_private.registers+I810_PTE_BASE+(j*4));
+	}
+	readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
+	agp_bridge->driver->tlb_flush(mem);
+
+out:
+	ret = 0;
+out_err:
+	mem->is_flushed = true;
+	return ret;
+}
+
+static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start,
+				     int type)
+{
+	int i;
+
+	if (mem->page_count == 0)
+		return 0;
+
+	if (pg_start < intel_private.gtt_entries) {
+		dev_info(&intel_private.pcidev->dev,
+			 "trying to disable local/stolen memory\n");
+		return -EINVAL;
+	}
+
+	for (i = pg_start; i < (mem->page_count + pg_start); i++) {
+		writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
+	}
+	readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
+
+	agp_bridge->driver->tlb_flush(mem);
+	return 0;
+}
+
+static struct agp_memory *intel_i830_alloc_by_type(size_t pg_count, int type)
+{
+	if (type == AGP_PHYS_MEMORY)
+		return alloc_agpphysmem_i8xx(pg_count, type);
+	/* always return NULL for other allocation types for now */
+	return NULL;
+}
+
+static int intel_alloc_chipset_flush_resource(void)
+{
+	int ret;
+	ret = pci_bus_alloc_resource(agp_bridge->dev->bus, &intel_private.ifp_resource, PAGE_SIZE,
+				     PAGE_SIZE, PCIBIOS_MIN_MEM, 0,
+				     pcibios_align_resource, agp_bridge->dev);
+
+	return ret;
+}
+
+static void intel_i915_setup_chipset_flush(void)
+{
+	int ret;
+	u32 temp;
+
+	pci_read_config_dword(agp_bridge->dev, I915_IFPADDR, &temp);
+	if (!(temp & 0x1)) {
+		intel_alloc_chipset_flush_resource();
+		intel_private.resource_valid = 1;
+		pci_write_config_dword(agp_bridge->dev, I915_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1);
+	} else {
+		temp &= ~1;
+
+		intel_private.resource_valid = 1;
+		intel_private.ifp_resource.start = temp;
+		intel_private.ifp_resource.end = temp + PAGE_SIZE;
+		ret = request_resource(&iomem_resource, &intel_private.ifp_resource);
+		/* some BIOSes reserve this area in a pnp some don't */
+		if (ret)
+			intel_private.resource_valid = 0;
+	}
+}
+
+static void intel_i965_g33_setup_chipset_flush(void)
+{
+	u32 temp_hi, temp_lo;
+	int ret;
+
+	pci_read_config_dword(agp_bridge->dev, I965_IFPADDR + 4, &temp_hi);
+	pci_read_config_dword(agp_bridge->dev, I965_IFPADDR, &temp_lo);
+
+	if (!(temp_lo & 0x1)) {
+
+		intel_alloc_chipset_flush_resource();
+
+		intel_private.resource_valid = 1;
+		pci_write_config_dword(agp_bridge->dev, I965_IFPADDR + 4,
+			upper_32_bits(intel_private.ifp_resource.start));
+		pci_write_config_dword(agp_bridge->dev, I965_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1);
+	} else {
+		u64 l64;
+
+		temp_lo &= ~0x1;
+		l64 = ((u64)temp_hi << 32) | temp_lo;
+
+		intel_private.resource_valid = 1;
+		intel_private.ifp_resource.start = l64;
+		intel_private.ifp_resource.end = l64 + PAGE_SIZE;
+		ret = request_resource(&iomem_resource, &intel_private.ifp_resource);
+		/* some BIOSes reserve this area in a pnp some don't */
+		if (ret)
+			intel_private.resource_valid = 0;
+	}
+}
+
+static void intel_i9xx_setup_flush(void)
+{
+	/* return if already configured */
+	if (intel_private.ifp_resource.start)
+		return;
+
+	if (IS_SNB)
+		return;
+
+	/* setup a resource for this object */
+	intel_private.ifp_resource.name = "Intel Flush Page";
+	intel_private.ifp_resource.flags = IORESOURCE_MEM;
+
+	/* Setup chipset flush for 915 */
+	if (IS_I965 || IS_G33 || IS_G4X) {
+		intel_i965_g33_setup_chipset_flush();
+	} else {
+		intel_i915_setup_chipset_flush();
+	}
+
+	if (intel_private.ifp_resource.start) {
+		intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE);
+		if (!intel_private.i9xx_flush_page)
+			dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing");
+	}
+}
+
+static int intel_i915_configure(void)
+{
+	struct aper_size_info_fixed *current_size;
+	u32 temp;
+	u16 gmch_ctrl;
+	int i;
+
+	current_size = A_SIZE_FIX(agp_bridge->current_size);
+
+	pci_read_config_dword(intel_private.pcidev, I915_GMADDR, &temp);
+
+	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+
+	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
+	gmch_ctrl |= I830_GMCH_ENABLED;
+	pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl);
+
+	writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
+	readl(intel_private.registers+I810_PGETBL_CTL);	/* PCI Posting. */
+
+	if (agp_bridge->driver->needs_scratch_page) {
+		for (i = intel_private.gtt_entries; i < intel_private.gtt_total_size; i++) {
+			writel(agp_bridge->scratch_page, intel_private.gtt+i);
+		}
+		readl(intel_private.gtt+i-1);	/* PCI Posting. */
+	}
+
+	global_cache_flush();
+
+	intel_i9xx_setup_flush();
+
+	return 0;
+}
+
+static void intel_i915_cleanup(void)
+{
+	if (intel_private.i9xx_flush_page)
+		iounmap(intel_private.i9xx_flush_page);
+	if (intel_private.resource_valid)
+		release_resource(&intel_private.ifp_resource);
+	intel_private.ifp_resource.start = 0;
+	intel_private.resource_valid = 0;
+	iounmap(intel_private.gtt);
+	iounmap(intel_private.registers);
+}
+
+static void intel_i915_chipset_flush(struct agp_bridge_data *bridge)
+{
+	if (intel_private.i9xx_flush_page)
+		writel(1, intel_private.i9xx_flush_page);
+}
+
+static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start,
+				     int type)
+{
+	int num_entries;
+	void *temp;
+	int ret = -EINVAL;
+	int mask_type;
+
+	if (mem->page_count == 0)
+		goto out;
+
+	temp = agp_bridge->current_size;
+	num_entries = A_SIZE_FIX(temp)->num_entries;
+
+	if (pg_start < intel_private.gtt_entries) {
+		dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
+			   "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n",
+			   pg_start, intel_private.gtt_entries);
+
+		dev_info(&intel_private.pcidev->dev,
+			 "trying to insert into local/stolen memory\n");
+		goto out_err;
+	}
+
+	if ((pg_start + mem->page_count) > num_entries)
+		goto out_err;
+
+	/* The i915 can't check the GTT for entries since it's read only;
+	 * depend on the caller to make the correct offset decisions.
+	 */
+
+	if (type != mem->type)
+		goto out_err;
+
+	mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
+
+	if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY &&
+	    mask_type != INTEL_AGP_CACHED_MEMORY)
+		goto out_err;
+
+	if (!mem->is_flushed)
+		global_cache_flush();
+
+	intel_agp_insert_sg_entries(mem, pg_start, mask_type);
+	agp_bridge->driver->tlb_flush(mem);
+
+ out:
+	ret = 0;
+ out_err:
+	mem->is_flushed = true;
+	return ret;
+}
+
+static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start,
+				     int type)
+{
+	int i;
+
+	if (mem->page_count == 0)
+		return 0;
+
+	if (pg_start < intel_private.gtt_entries) {
+		dev_info(&intel_private.pcidev->dev,
+			 "trying to disable local/stolen memory\n");
+		return -EINVAL;
+	}
+
+	for (i = pg_start; i < (mem->page_count + pg_start); i++)
+		writel(agp_bridge->scratch_page, intel_private.gtt+i);
+
+	readl(intel_private.gtt+i-1);
+
+	agp_bridge->driver->tlb_flush(mem);
+	return 0;
+}
+
+/* Return the aperture size by just checking the resource length.  The effect
+ * described in the spec of the MSAC registers is just changing of the
+ * resource size.
+ */
+static int intel_i9xx_fetch_size(void)
+{
+	int num_sizes = ARRAY_SIZE(intel_i830_sizes);
+	int aper_size; /* size in megabytes */
+	int i;
+
+	aper_size = pci_resource_len(intel_private.pcidev, 2) / MB(1);
+
+	for (i = 0; i < num_sizes; i++) {
+		if (aper_size == intel_i830_sizes[i].size) {
+			agp_bridge->current_size = intel_i830_sizes + i;
+			agp_bridge->previous_size = agp_bridge->current_size;
+			return aper_size;
+		}
+	}
+
+	return 0;
+}
+
+/* The intel i915 automatically initializes the agp aperture during POST.
+ * Use the memory already set aside for in the GTT.
+ */
+static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge)
+{
+	int page_order;
+	struct aper_size_info_fixed *size;
+	int num_entries;
+	u32 temp, temp2;
+	int gtt_map_size = 256 * 1024;
+
+	size = agp_bridge->current_size;
+	page_order = size->page_order;
+	num_entries = size->num_entries;
+	agp_bridge->gatt_table_real = NULL;
+
+	pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp);
+	pci_read_config_dword(intel_private.pcidev, I915_PTEADDR, &temp2);
+
+	if (IS_G33)
+	    gtt_map_size = 1024 * 1024; /* 1M on G33 */
+	intel_private.gtt = ioremap(temp2, gtt_map_size);
+	if (!intel_private.gtt)
+		return -ENOMEM;
+
+	intel_private.gtt_total_size = gtt_map_size / 4;
+
+	temp &= 0xfff80000;
+
+	intel_private.registers = ioremap(temp, 128 * 4096);
+	if (!intel_private.registers) {
+		iounmap(intel_private.gtt);
+		return -ENOMEM;
+	}
+
+	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
+	global_cache_flush();	/* FIXME: ? */
+
+	/* we have to call this as early as possible after the MMIO base address is known */
+	intel_i830_init_gtt_entries();
+
+	agp_bridge->gatt_table = NULL;
+
+	agp_bridge->gatt_bus_addr = temp;
+
+	return 0;
+}
+
+/*
+ * The i965 supports 36-bit physical addresses, but to keep
+ * the format of the GTT the same, the bits that don't fit
+ * in a 32-bit word are shifted down to bits 4..7.
+ *
+ * Gcc is smart enough to notice that "(addr >> 28) & 0xf0"
+ * is always zero on 32-bit architectures, so no need to make
+ * this conditional.
+ */
+static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
+					    dma_addr_t addr, int type)
+{
+	/* Shift high bits down */
+	addr |= (addr >> 28) & 0xf0;
+
+	/* Type checking must be done elsewhere */
+	return addr | bridge->driver->masks[type].mask;
+}
+
+static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
+{
+	u16 snb_gmch_ctl;
+
+	switch (agp_bridge->dev->device) {
+	case PCI_DEVICE_ID_INTEL_GM45_HB:
+	case PCI_DEVICE_ID_INTEL_EAGLELAKE_HB:
+	case PCI_DEVICE_ID_INTEL_Q45_HB:
+	case PCI_DEVICE_ID_INTEL_G45_HB:
+	case PCI_DEVICE_ID_INTEL_G41_HB:
+	case PCI_DEVICE_ID_INTEL_B43_HB:
+	case PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB:
+	case PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB:
+	case PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB:
+	case PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB:
+		*gtt_offset = *gtt_size = MB(2);
+		break;
+	case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB:
+	case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB:
+		*gtt_offset = MB(2);
+
+		pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+		switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) {
+		default:
+		case SNB_GTT_SIZE_0M:
+			printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl);
+			*gtt_size = MB(0);
+			break;
+		case SNB_GTT_SIZE_1M:
+			*gtt_size = MB(1);
+			break;
+		case SNB_GTT_SIZE_2M:
+			*gtt_size = MB(2);
+			break;
+		}
+		break;
+	default:
+		*gtt_offset = *gtt_size = KB(512);
+	}
+}
+
+/* The intel i965 automatically initializes the agp aperture during POST.
+ * Use the memory already set aside for in the GTT.
+ */
+static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge)
+{
+	int page_order;
+	struct aper_size_info_fixed *size;
+	int num_entries;
+	u32 temp;
+	int gtt_offset, gtt_size;
+
+	size = agp_bridge->current_size;
+	page_order = size->page_order;
+	num_entries = size->num_entries;
+	agp_bridge->gatt_table_real = NULL;
+
+	pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp);
+
+	temp &= 0xfff00000;
+
+	intel_i965_get_gtt_range(&gtt_offset, &gtt_size);
+
+	intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size);
+
+	if (!intel_private.gtt)
+		return -ENOMEM;
+
+	intel_private.gtt_total_size = gtt_size / 4;
+
+	intel_private.registers = ioremap(temp, 128 * 4096);
+	if (!intel_private.registers) {
+		iounmap(intel_private.gtt);
+		return -ENOMEM;
+	}
+
+	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
+	global_cache_flush();   /* FIXME: ? */
+
+	/* we have to call this as early as possible after the MMIO base address is known */
+	intel_i830_init_gtt_entries();
+
+	agp_bridge->gatt_table = NULL;
+
+	agp_bridge->gatt_bus_addr = temp;
+
+	return 0;
+}
+
+static const struct agp_bridge_driver intel_810_driver = {
+	.owner			= THIS_MODULE,
+	.aperture_sizes		= intel_i810_sizes,
+	.size_type		= FIXED_APER_SIZE,
+	.num_aperture_sizes	= 2,
+	.needs_scratch_page	= true,
+	.configure		= intel_i810_configure,
+	.fetch_size		= intel_i810_fetch_size,
+	.cleanup		= intel_i810_cleanup,
+	.tlb_flush		= intel_i810_tlbflush,
+	.mask_memory		= intel_i810_mask_memory,
+	.masks			= intel_i810_masks,
+	.agp_enable		= intel_i810_agp_enable,
+	.cache_flush		= global_cache_flush,
+	.create_gatt_table	= agp_generic_create_gatt_table,
+	.free_gatt_table	= agp_generic_free_gatt_table,
+	.insert_memory		= intel_i810_insert_entries,
+	.remove_memory		= intel_i810_remove_entries,
+	.alloc_by_type		= intel_i810_alloc_by_type,
+	.free_by_type		= intel_i810_free_by_type,
+	.agp_alloc_page		= agp_generic_alloc_page,
+	.agp_alloc_pages        = agp_generic_alloc_pages,
+	.agp_destroy_page	= agp_generic_destroy_page,
+	.agp_destroy_pages      = agp_generic_destroy_pages,
+	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
+};
+
+static const struct agp_bridge_driver intel_830_driver = {
+	.owner			= THIS_MODULE,
+	.aperture_sizes		= intel_i830_sizes,
+	.size_type		= FIXED_APER_SIZE,
+	.num_aperture_sizes	= 4,
+	.needs_scratch_page	= true,
+	.configure		= intel_i830_configure,
+	.fetch_size		= intel_i830_fetch_size,
+	.cleanup		= intel_i830_cleanup,
+	.tlb_flush		= intel_i810_tlbflush,
+	.mask_memory		= intel_i810_mask_memory,
+	.masks			= intel_i810_masks,
+	.agp_enable		= intel_i810_agp_enable,
+	.cache_flush		= global_cache_flush,
+	.create_gatt_table	= intel_i830_create_gatt_table,
+	.free_gatt_table	= intel_i830_free_gatt_table,
+	.insert_memory		= intel_i830_insert_entries,
+	.remove_memory		= intel_i830_remove_entries,
+	.alloc_by_type		= intel_i830_alloc_by_type,
+	.free_by_type		= intel_i810_free_by_type,
+	.agp_alloc_page		= agp_generic_alloc_page,
+	.agp_alloc_pages        = agp_generic_alloc_pages,
+	.agp_destroy_page	= agp_generic_destroy_page,
+	.agp_destroy_pages      = agp_generic_destroy_pages,
+	.agp_type_to_mask_type  = intel_i830_type_to_mask_type,
+	.chipset_flush		= intel_i830_chipset_flush,
+};
+
+static const struct agp_bridge_driver intel_915_driver = {
+	.owner			= THIS_MODULE,
+	.aperture_sizes		= intel_i830_sizes,
+	.size_type		= FIXED_APER_SIZE,
+	.num_aperture_sizes	= 4,
+	.needs_scratch_page	= true,
+	.configure		= intel_i915_configure,
+	.fetch_size		= intel_i9xx_fetch_size,
+	.cleanup		= intel_i915_cleanup,
+	.tlb_flush		= intel_i810_tlbflush,
+	.mask_memory		= intel_i810_mask_memory,
+	.masks			= intel_i810_masks,
+	.agp_enable		= intel_i810_agp_enable,
+	.cache_flush		= global_cache_flush,
+	.create_gatt_table	= intel_i915_create_gatt_table,
+	.free_gatt_table	= intel_i830_free_gatt_table,
+	.insert_memory		= intel_i915_insert_entries,
+	.remove_memory		= intel_i915_remove_entries,
+	.alloc_by_type		= intel_i830_alloc_by_type,
+	.free_by_type		= intel_i810_free_by_type,
+	.agp_alloc_page		= agp_generic_alloc_page,
+	.agp_alloc_pages        = agp_generic_alloc_pages,
+	.agp_destroy_page	= agp_generic_destroy_page,
+	.agp_destroy_pages      = agp_generic_destroy_pages,
+	.agp_type_to_mask_type  = intel_i830_type_to_mask_type,
+	.chipset_flush		= intel_i915_chipset_flush,
+#ifdef USE_PCI_DMA_API
+	.agp_map_page		= intel_agp_map_page,
+	.agp_unmap_page		= intel_agp_unmap_page,
+	.agp_map_memory		= intel_agp_map_memory,
+	.agp_unmap_memory	= intel_agp_unmap_memory,
+#endif
+};
+
+static const struct agp_bridge_driver intel_i965_driver = {
+	.owner			= THIS_MODULE,
+	.aperture_sizes		= intel_i830_sizes,
+	.size_type		= FIXED_APER_SIZE,
+	.num_aperture_sizes	= 4,
+	.needs_scratch_page	= true,
+	.configure		= intel_i915_configure,
+	.fetch_size		= intel_i9xx_fetch_size,
+	.cleanup		= intel_i915_cleanup,
+	.tlb_flush		= intel_i810_tlbflush,
+	.mask_memory		= intel_i965_mask_memory,
+	.masks			= intel_i810_masks,
+	.agp_enable		= intel_i810_agp_enable,
+	.cache_flush		= global_cache_flush,
+	.create_gatt_table	= intel_i965_create_gatt_table,
+	.free_gatt_table	= intel_i830_free_gatt_table,
+	.insert_memory		= intel_i915_insert_entries,
+	.remove_memory		= intel_i915_remove_entries,
+	.alloc_by_type		= intel_i830_alloc_by_type,
+	.free_by_type		= intel_i810_free_by_type,
+	.agp_alloc_page		= agp_generic_alloc_page,
+	.agp_alloc_pages        = agp_generic_alloc_pages,
+	.agp_destroy_page	= agp_generic_destroy_page,
+	.agp_destroy_pages      = agp_generic_destroy_pages,
+	.agp_type_to_mask_type	= intel_i830_type_to_mask_type,
+	.chipset_flush		= intel_i915_chipset_flush,
+#ifdef USE_PCI_DMA_API
+	.agp_map_page		= intel_agp_map_page,
+	.agp_unmap_page		= intel_agp_unmap_page,
+	.agp_map_memory		= intel_agp_map_memory,
+	.agp_unmap_memory	= intel_agp_unmap_memory,
+#endif
+};
+
+static const struct agp_bridge_driver intel_g33_driver = {
+	.owner			= THIS_MODULE,
+	.aperture_sizes		= intel_i830_sizes,
+	.size_type		= FIXED_APER_SIZE,
+	.num_aperture_sizes	= 4,
+	.needs_scratch_page	= true,
+	.configure		= intel_i915_configure,
+	.fetch_size		= intel_i9xx_fetch_size,
+	.cleanup		= intel_i915_cleanup,
+	.tlb_flush		= intel_i810_tlbflush,
+	.mask_memory		= intel_i965_mask_memory,
+	.masks			= intel_i810_masks,
+	.agp_enable		= intel_i810_agp_enable,
+	.cache_flush		= global_cache_flush,
+	.create_gatt_table	= intel_i915_create_gatt_table,
+	.free_gatt_table	= intel_i830_free_gatt_table,
+	.insert_memory		= intel_i915_insert_entries,
+	.remove_memory		= intel_i915_remove_entries,
+	.alloc_by_type		= intel_i830_alloc_by_type,
+	.free_by_type		= intel_i810_free_by_type,
+	.agp_alloc_page		= agp_generic_alloc_page,
+	.agp_alloc_pages        = agp_generic_alloc_pages,
+	.agp_destroy_page	= agp_generic_destroy_page,
+	.agp_destroy_pages      = agp_generic_destroy_pages,
+	.agp_type_to_mask_type	= intel_i830_type_to_mask_type,
+	.chipset_flush		= intel_i915_chipset_flush,
+#ifdef USE_PCI_DMA_API
+	.agp_map_page		= intel_agp_map_page,
+	.agp_unmap_page		= intel_agp_unmap_page,
+	.agp_map_memory		= intel_agp_map_memory,
+	.agp_unmap_memory	= intel_agp_unmap_memory,
+#endif
+};

From e5a04d52e6fe7f3be0dad19e1180ec1e862f3a06 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 14 Apr 2010 00:29:53 +0200
Subject: [PATCH 0464/3638] agp/intel: uncoditionally reconfigure driver on
 resume

Only two drivers were not in this table (7505 and g33), both non-mobile
chipsets. So they were most likely just missing. This is another step
to untangle the gtt from the agp driver.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/char/agp/intel-agp.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 6a22aa9783b..10f72db7da0 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -935,22 +935,7 @@ static int agp_intel_resume(struct pci_dev *pdev)
 	struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
 	int ret_val;
 
-	if (bridge->driver == &intel_generic_driver)
-		intel_configure();
-	else if (bridge->driver == &intel_850_driver)
-		intel_850_configure();
-	else if (bridge->driver == &intel_845_driver)
-		intel_845_configure();
-	else if (bridge->driver == &intel_830mp_driver)
-		intel_830mp_configure();
-	else if (bridge->driver == &intel_915_driver)
-		intel_i915_configure();
-	else if (bridge->driver == &intel_830_driver)
-		intel_i830_configure();
-	else if (bridge->driver == &intel_810_driver)
-		intel_i810_configure();
-	else if (bridge->driver == &intel_i965_driver)
-		intel_i915_configure();
+	bridge->driver->configure();
 
 	ret_val = agp_rebind_memory();
 	if (ret_val != 0)

From 059efc670d1355d0c6cbf817c811ef1241adeed5 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 14 Apr 2010 00:29:54 +0200
Subject: [PATCH 0465/3638] agp/intel: kill mutli_gmch_chip

Always zero, i.e. unused.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/char/agp/intel-agp.c | 107 +++++++++++++++++------------------
 1 file changed, 52 insertions(+), 55 deletions(-)

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 10f72db7da0..b5cb192dc6b 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -716,101 +716,100 @@ static int find_gmch(u16 device)
 static const struct intel_driver_description {
 	unsigned int chip_id;
 	unsigned int gmch_chip_id;
-	unsigned int multi_gmch_chip; /* if we have more gfx chip type on this HB. */
 	char *name;
 	const struct agp_bridge_driver *driver;
 	const struct agp_bridge_driver *gmch_driver;
 } intel_agp_chipsets[] = {
-	{ PCI_DEVICE_ID_INTEL_82443LX_0, 0, 0, "440LX", &intel_generic_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82443BX_0, 0, 0, "440BX", &intel_generic_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82443GX_0, 0, 0, "440GX", &intel_generic_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82810_MC1, PCI_DEVICE_ID_INTEL_82810_IG1, 0, "i810",
+	{ PCI_DEVICE_ID_INTEL_82443LX_0, 0, "440LX", &intel_generic_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82443BX_0, 0, "440BX", &intel_generic_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82443GX_0, 0, "440GX", &intel_generic_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82810_MC1, PCI_DEVICE_ID_INTEL_82810_IG1, "i810",
 		NULL, &intel_810_driver },
-	{ PCI_DEVICE_ID_INTEL_82810_MC3, PCI_DEVICE_ID_INTEL_82810_IG3, 0, "i810",
+	{ PCI_DEVICE_ID_INTEL_82810_MC3, PCI_DEVICE_ID_INTEL_82810_IG3, "i810",
 		NULL, &intel_810_driver },
-	{ PCI_DEVICE_ID_INTEL_82810E_MC, PCI_DEVICE_ID_INTEL_82810E_IG, 0, "i810",
+	{ PCI_DEVICE_ID_INTEL_82810E_MC, PCI_DEVICE_ID_INTEL_82810E_IG, "i810",
 		NULL, &intel_810_driver },
-	{ PCI_DEVICE_ID_INTEL_82815_MC, PCI_DEVICE_ID_INTEL_82815_CGC, 0, "i815",
+	{ PCI_DEVICE_ID_INTEL_82815_MC, PCI_DEVICE_ID_INTEL_82815_CGC, "i815",
 		&intel_815_driver, &intel_810_driver },
-	{ PCI_DEVICE_ID_INTEL_82820_HB, 0, 0, "i820", &intel_820_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82820_UP_HB, 0, 0, "i820", &intel_820_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82830_HB, PCI_DEVICE_ID_INTEL_82830_CGC, 0, "830M",
+	{ PCI_DEVICE_ID_INTEL_82820_HB, 0, "i820", &intel_820_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82820_UP_HB, 0, "i820", &intel_820_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82830_HB, PCI_DEVICE_ID_INTEL_82830_CGC, "830M",
 		&intel_830mp_driver, &intel_830_driver },
-	{ PCI_DEVICE_ID_INTEL_82840_HB, 0, 0, "i840", &intel_840_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82845_HB, 0, 0, "845G", &intel_845_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82845G_HB, PCI_DEVICE_ID_INTEL_82845G_IG, 0, "830M",
+	{ PCI_DEVICE_ID_INTEL_82840_HB, 0, "i840", &intel_840_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82845_HB, 0, "845G", &intel_845_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82845G_HB, PCI_DEVICE_ID_INTEL_82845G_IG, "830M",
 		&intel_845_driver, &intel_830_driver },
-	{ PCI_DEVICE_ID_INTEL_82850_HB, 0, 0, "i850", &intel_850_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82854_HB, PCI_DEVICE_ID_INTEL_82854_IG, 0, "854",
+	{ PCI_DEVICE_ID_INTEL_82850_HB, 0, "i850", &intel_850_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82854_HB, PCI_DEVICE_ID_INTEL_82854_IG, "854",
 		&intel_845_driver, &intel_830_driver },
-	{ PCI_DEVICE_ID_INTEL_82855PM_HB, 0, 0, "855PM", &intel_845_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82855GM_HB, PCI_DEVICE_ID_INTEL_82855GM_IG, 0, "855GM",
+	{ PCI_DEVICE_ID_INTEL_82855PM_HB, 0, "855PM", &intel_845_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82855GM_HB, PCI_DEVICE_ID_INTEL_82855GM_IG, "855GM",
 		&intel_845_driver, &intel_830_driver },
-	{ PCI_DEVICE_ID_INTEL_82860_HB, 0, 0, "i860", &intel_860_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_82865_HB, PCI_DEVICE_ID_INTEL_82865_IG, 0, "865",
+	{ PCI_DEVICE_ID_INTEL_82860_HB, 0, "i860", &intel_860_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_82865_HB, PCI_DEVICE_ID_INTEL_82865_IG, "865",
 		&intel_845_driver, &intel_830_driver },
-	{ PCI_DEVICE_ID_INTEL_82875_HB, 0, 0, "i875", &intel_845_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_E7221_HB, PCI_DEVICE_ID_INTEL_E7221_IG, 0, "E7221 (i915)",
+	{ PCI_DEVICE_ID_INTEL_82875_HB, 0, "i875", &intel_845_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_E7221_HB, PCI_DEVICE_ID_INTEL_E7221_IG, "E7221 (i915)",
 		NULL, &intel_915_driver },
-	{ PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, 0, "915G",
+	{ PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, "915G",
 		NULL, &intel_915_driver },
-	{ PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, 0, "915GM",
+	{ PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, "915GM",
 		NULL, &intel_915_driver },
-	{ PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0, "945G",
+	{ PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, "945G",
 		NULL, &intel_915_driver },
-	{ PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 0, "945GM",
+	{ PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, "945GM",
 		NULL, &intel_915_driver },
-	{ PCI_DEVICE_ID_INTEL_82945GME_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0, "945GME",
+	{ PCI_DEVICE_ID_INTEL_82945GME_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, "945GME",
 		NULL, &intel_915_driver },
-	{ PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0, "946GZ",
+	{ PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, "946GZ",
 		NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_82G35_HB, PCI_DEVICE_ID_INTEL_82G35_IG, 0, "G35",
+	{ PCI_DEVICE_ID_INTEL_82G35_HB, PCI_DEVICE_ID_INTEL_82G35_IG, "G35",
 		NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_82965Q_HB, PCI_DEVICE_ID_INTEL_82965Q_IG, 0, "965Q",
+	{ PCI_DEVICE_ID_INTEL_82965Q_HB, PCI_DEVICE_ID_INTEL_82965Q_IG, "965Q",
 		NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0, "965G",
+	{ PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, "965G",
 		NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 0, "965GM",
+	{ PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, "965GM",
 		NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_82965GME_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0, "965GME/GLE",
+	{ PCI_DEVICE_ID_INTEL_82965GME_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, "965GME/GLE",
 		NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL },
-	{ PCI_DEVICE_ID_INTEL_G33_HB, PCI_DEVICE_ID_INTEL_G33_IG, 0, "G33",
+	{ PCI_DEVICE_ID_INTEL_7505_0, 0, "E7505", &intel_7505_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_7205_0, 0, "E7205", &intel_7505_driver, NULL },
+	{ PCI_DEVICE_ID_INTEL_G33_HB, PCI_DEVICE_ID_INTEL_G33_IG, "G33",
 		NULL, &intel_g33_driver },
-	{ PCI_DEVICE_ID_INTEL_Q35_HB, PCI_DEVICE_ID_INTEL_Q35_IG, 0, "Q35",
+	{ PCI_DEVICE_ID_INTEL_Q35_HB, PCI_DEVICE_ID_INTEL_Q35_IG, "Q35",
 		NULL, &intel_g33_driver },
-	{ PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33",
+	{ PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, "Q33",
 		NULL, &intel_g33_driver },
-	{ PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG, 0, "GMA3150",
+	{ PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG, "GMA3150",
 		NULL, &intel_g33_driver },
-	{ PCI_DEVICE_ID_INTEL_PINEVIEW_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_IG, 0, "GMA3150",
+	{ PCI_DEVICE_ID_INTEL_PINEVIEW_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_IG, "GMA3150",
 		NULL, &intel_g33_driver },
-	{ PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG,
 	    "GM45", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_EAGLELAKE_HB, PCI_DEVICE_ID_INTEL_EAGLELAKE_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_EAGLELAKE_HB, PCI_DEVICE_ID_INTEL_EAGLELAKE_IG,
 	    "Eaglelake", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG,
 	    "Q45/Q43", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_G45_HB, PCI_DEVICE_ID_INTEL_G45_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_G45_HB, PCI_DEVICE_ID_INTEL_G45_IG,
 	    "G45/G43", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_B43_HB, PCI_DEVICE_ID_INTEL_B43_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_B43_HB, PCI_DEVICE_ID_INTEL_B43_IG,
 	    "B43", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_G41_HB, PCI_DEVICE_ID_INTEL_G41_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_G41_HB, PCI_DEVICE_ID_INTEL_G41_IG,
 	    "G41", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG,
 	    "HD Graphics", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG,
 	    "HD Graphics", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG,
 	    "HD Graphics", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG,
 	    "HD Graphics", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB, PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB, PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG,
 	    "Sandybridge", NULL, &intel_i965_driver },
-	{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB, PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG, 0,
+	{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB, PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG,
 	    "Sandybridge", NULL, &intel_i965_driver },
-	{ 0, 0, 0, NULL, NULL, NULL }
+	{ 0, 0, NULL, NULL, NULL }
 };
 
 static int __devinit agp_intel_probe(struct pci_dev *pdev,
@@ -837,8 +836,6 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 				bridge->driver =
 					intel_agp_chipsets[i].gmch_driver;
 				break;
-			} else if (intel_agp_chipsets[i].multi_gmch_chip) {
-				continue;
 			} else {
 				bridge->driver = intel_agp_chipsets[i].driver;
 				break;

From 22dd82a3f5ceef72be19e502418823a2f8801ed0 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 14 Apr 2010 00:29:55 +0200
Subject: [PATCH 0466/3638] agp/intel: split out gmch/gtt probe, part 1

This is essentially the last piece of code that's tying intel-gtt.c
to intel-agp.c. Extract the probe code into it's own function so that
it can be moved to intel-gtt.c.

This requires some slight changes in the ordering of device probe function.
This patch just implements that for better bisectability in case this
introduces bugs.

The biggest change is that the gmch/gtt code doesn't execute a pci
resource fixup anymore. I've dug around in historical git trees, and
this change is to support the agp port on an old HP server with the
i440 intel chipset. So only needed for the agp driver.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/char/agp/intel-agp.c | 73 ++++++++++++++++++++++--------------
 1 file changed, 44 insertions(+), 29 deletions(-)

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index b5cb192dc6b..cc494abe195 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -812,6 +812,41 @@ static const struct intel_driver_description {
 	{ 0, 0, NULL, NULL, NULL }
 };
 
+static int __devinit intel_gmch_probe(struct pci_dev *pdev,
+				      struct agp_bridge_data *bridge)
+{
+	int i;
+	bridge->driver = NULL;
+
+	for (i = 0; intel_agp_chipsets[i].name != NULL; i++) {
+		if ((intel_agp_chipsets[i].gmch_chip_id != 0) &&
+			find_gmch(intel_agp_chipsets[i].gmch_chip_id)) {
+			bridge->driver =
+				intel_agp_chipsets[i].gmch_driver;
+			break;
+		}
+	}
+
+	if (!bridge->driver)
+		return 0;
+
+	bridge->dev_private_data = &intel_private;
+	bridge->dev = pdev;
+
+	dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name);
+
+	if (bridge->driver->mask_memory == intel_i965_mask_memory) {
+		if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
+			dev_err(&intel_private.pcidev->dev,
+				"set gfx device dma mask 36bit failed!\n");
+		else
+			pci_set_consistent_dma_mask(intel_private.pcidev,
+						    DMA_BIT_MASK(36));
+	}
+
+	return 1;
+}
+
 static int __devinit agp_intel_probe(struct pci_dev *pdev,
 				     const struct pci_device_id *ent)
 {
@@ -826,20 +861,18 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 	if (!bridge)
 		return -ENOMEM;
 
+	bridge->capndx = cap_ptr;
+
+	if (intel_gmch_probe(pdev, bridge))
+		goto found_gmch;
+
 	for (i = 0; intel_agp_chipsets[i].name != NULL; i++) {
 		/* In case that multiple models of gfx chip may
 		   stand on same host bridge type, this can be
 		   sure we detect the right IGD. */
 		if (pdev->device == intel_agp_chipsets[i].chip_id) {
-			if ((intel_agp_chipsets[i].gmch_chip_id != 0) &&
-				find_gmch(intel_agp_chipsets[i].gmch_chip_id)) {
-				bridge->driver =
-					intel_agp_chipsets[i].gmch_driver;
-				break;
-			} else {
-				bridge->driver = intel_agp_chipsets[i].driver;
-				break;
-			}
+			bridge->driver = intel_agp_chipsets[i].driver;
+			break;
 		}
 	}
 
@@ -851,18 +884,8 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 		return -ENODEV;
 	}
 
-	if (bridge->driver == NULL) {
-		/* bridge has no AGP and no IGD detected */
-		if (cap_ptr)
-			dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n",
-				 intel_agp_chipsets[i].gmch_chip_id);
-		agp_put_bridge(bridge);
-		return -ENODEV;
-	}
-
 	bridge->dev = pdev;
-	bridge->capndx = cap_ptr;
-	bridge->dev_private_data = &intel_private;
+	bridge->dev_private_data = NULL;
 
 	dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name);
 
@@ -898,15 +921,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 				&bridge->mode);
 	}
 
-	if (bridge->driver->mask_memory == intel_i965_mask_memory) {
-		if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
-			dev_err(&intel_private.pcidev->dev,
-				"set gfx device dma mask 36bit failed!\n");
-		else
-			pci_set_consistent_dma_mask(intel_private.pcidev,
-						    DMA_BIT_MASK(36));
-	}
-
+found_gmch:
 	pci_set_drvdata(pdev, bridge);
 	err = agp_add_bridge(bridge);
 	if (!err)

From 1ca46bd13474f71a361b147b13318aefa714551d Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 14 Apr 2010 00:29:57 +0200
Subject: [PATCH 0467/3638] agp/intel-gtt: kill intel_i830_tlbflush

We don't use the generic insert/remove_memory functions that
require this. So kill this useless code.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/char/agp/intel-gtt.c | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 131c5d5e427..6cb80189743 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -266,11 +266,6 @@ static void intel_i810_cleanup(void)
 	iounmap(intel_private.registers);
 }
 
-static void intel_i810_tlbflush(struct agp_memory *mem)
-{
-	return;
-}
-
 static void intel_i810_agp_enable(struct agp_bridge_data *bridge, u32 mode)
 {
 	return;
@@ -372,7 +367,6 @@ static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start,
 		goto out_err;
 	}
 
-	agp_bridge->driver->tlb_flush(mem);
 out:
 	ret = 0;
 out_err:
@@ -393,7 +387,6 @@ static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start,
 	}
 	readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
 
-	agp_bridge->driver->tlb_flush(mem);
 	return 0;
 }
 
@@ -938,7 +931,6 @@ static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
 		       intel_private.registers+I810_PTE_BASE+(j*4));
 	}
 	readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
-	agp_bridge->driver->tlb_flush(mem);
 
 out:
 	ret = 0;
@@ -966,7 +958,6 @@ static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start,
 	}
 	readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
 
-	agp_bridge->driver->tlb_flush(mem);
 	return 0;
 }
 
@@ -1166,7 +1157,6 @@ static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start,
 		global_cache_flush();
 
 	intel_agp_insert_sg_entries(mem, pg_start, mask_type);
-	agp_bridge->driver->tlb_flush(mem);
 
  out:
 	ret = 0;
@@ -1194,7 +1184,6 @@ static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start,
 
 	readl(intel_private.gtt+i-1);
 
-	agp_bridge->driver->tlb_flush(mem);
 	return 0;
 }
 
@@ -1386,7 +1375,6 @@ static const struct agp_bridge_driver intel_810_driver = {
 	.configure		= intel_i810_configure,
 	.fetch_size		= intel_i810_fetch_size,
 	.cleanup		= intel_i810_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
 	.mask_memory		= intel_i810_mask_memory,
 	.masks			= intel_i810_masks,
 	.agp_enable		= intel_i810_agp_enable,
@@ -1413,7 +1401,6 @@ static const struct agp_bridge_driver intel_830_driver = {
 	.configure		= intel_i830_configure,
 	.fetch_size		= intel_i830_fetch_size,
 	.cleanup		= intel_i830_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
 	.mask_memory		= intel_i810_mask_memory,
 	.masks			= intel_i810_masks,
 	.agp_enable		= intel_i810_agp_enable,
@@ -1441,7 +1428,6 @@ static const struct agp_bridge_driver intel_915_driver = {
 	.configure		= intel_i915_configure,
 	.fetch_size		= intel_i9xx_fetch_size,
 	.cleanup		= intel_i915_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
 	.mask_memory		= intel_i810_mask_memory,
 	.masks			= intel_i810_masks,
 	.agp_enable		= intel_i810_agp_enable,
@@ -1475,7 +1461,6 @@ static const struct agp_bridge_driver intel_i965_driver = {
 	.configure		= intel_i915_configure,
 	.fetch_size		= intel_i9xx_fetch_size,
 	.cleanup		= intel_i915_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
 	.mask_memory		= intel_i965_mask_memory,
 	.masks			= intel_i810_masks,
 	.agp_enable		= intel_i810_agp_enable,
@@ -1509,7 +1494,6 @@ static const struct agp_bridge_driver intel_g33_driver = {
 	.configure		= intel_i915_configure,
 	.fetch_size		= intel_i9xx_fetch_size,
 	.cleanup		= intel_i915_cleanup,
-	.tlb_flush		= intel_i810_tlbflush,
 	.mask_memory		= intel_i965_mask_memory,
 	.masks			= intel_i810_masks,
 	.agp_enable		= intel_i810_agp_enable,

From e15831656778d032f3c7655949f8cc3997f2b04a Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 14 Apr 2010 00:29:58 +0200
Subject: [PATCH 0468/3638] agp/intel-gtt: kill previous_size assignments

Not needed for the GTT and inconsistent: Sometimes the _new_ size
was stored there ...

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/char/agp/intel-gtt.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 6cb80189743..e8ea6825822 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -203,13 +203,11 @@ static int intel_i810_fetch_size(void)
 		return 0;
 	}
 	if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) {
-		agp_bridge->previous_size =
-			agp_bridge->current_size = (void *) (values + 1);
+		agp_bridge->current_size = (void *) (values + 1);
 		agp_bridge->aperture_size_idx = 1;
 		return values[1].size;
 	} else {
-		agp_bridge->previous_size =
-			agp_bridge->current_size = (void *) (values);
+		agp_bridge->current_size = (void *) (values);
 		agp_bridge->aperture_size_idx = 0;
 		return values[0].size;
 	}
@@ -825,7 +823,7 @@ static int intel_i830_fetch_size(void)
 	if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB &&
 	    agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) {
 		/* 855GM/852GM/865G has 128MB aperture size */
-		agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
+		agp_bridge->current_size = (void *) values;
 		agp_bridge->aperture_size_idx = 0;
 		return values[0].size;
 	}
@@ -833,11 +831,11 @@ static int intel_i830_fetch_size(void)
 	pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
 
 	if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) {
-		agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
+		agp_bridge->current_size = (void *) values;
 		agp_bridge->aperture_size_idx = 0;
 		return values[0].size;
 	} else {
-		agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1);
+		agp_bridge->current_size = (void *) (values + 1);
 		agp_bridge->aperture_size_idx = 1;
 		return values[1].size;
 	}
@@ -1202,7 +1200,6 @@ static int intel_i9xx_fetch_size(void)
 	for (i = 0; i < num_sizes; i++) {
 		if (aper_size == intel_i830_sizes[i].size) {
 			agp_bridge->current_size = intel_i830_sizes + i;
-			agp_bridge->previous_size = agp_bridge->current_size;
 			return aper_size;
 		}
 	}

From b5e5a37e36cd4d355b875665312d7aaae4e5833c Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Fri, 16 Apr 2010 17:19:50 +0100
Subject: [PATCH 0469/3638] HID: add HID_QUIRK_HIDDEV_FORCE and
 HID_QUIRK_NO_IGNORE

Add two quirks to make it possible for usbhid module options to
override whether a device is ignored (HID_QUIRK_NO_IGNORE) and
whether to connect a hiddev device (HID_QUIRK_HIDDEV_FORCE).

Passing HID_QUIRK_NO_IGNORE for your device means that it will
not be ignored by the HID layer, even if present in a blacklist.

HID_QUIRK_HIDDEV_FORCE will force the creation of a hiddev for that
device, making it accessible from user-space.

Tested with an Apple IR Receiver, switching it from using appleir
to using lirc's macmini driver.

Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c        | 4 +++-
 drivers/hid/usbhid/hid-core.c | 1 +
 include/linux/hid.h           | 2 ++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 8617aa97a9c..468c6c2d4ad 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1168,6 +1168,8 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
 	unsigned int i;
 	int len;
 
+	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
+		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
 	if (hdev->bus != BUS_USB)
 		connect_mask &= ~HID_CONNECT_HIDDEV;
 	if (hid_hiddev(hdev))
@@ -1757,7 +1759,7 @@ int hid_add_device(struct hid_device *hdev)
 
 	/* we need to kill them here, otherwise they will stay allocated to
 	 * wait for coming driver */
-	if (hid_ignore(hdev))
+	if (!(hdev->quirks & HID_QUIRK_NO_IGNORE) && hid_ignore(hdev))
 		return -ENODEV;
 
 	/* XXX hack, any other cleaner solution after the driver core
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 9cd61a52e9e..245aef0de8f 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1143,6 +1143,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
 	hid->vendor = le16_to_cpu(dev->descriptor.idVendor);
 	hid->product = le16_to_cpu(dev->descriptor.idProduct);
 	hid->name[0] = 0;
+	hid->quirks = usbhid_lookup_quirk(hid->vendor, hid->product);
 	if (intf->cur_altsetting->desc.bInterfaceProtocol ==
 			USB_INTERFACE_PROTOCOL_MOUSE)
 		hid->type = HID_TYPE_USBMOUSE;
diff --git a/include/linux/hid.h b/include/linux/hid.h
index b1344ec4b7f..f1f2b6f0d1c 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -308,11 +308,13 @@ struct hid_item {
 #define HID_QUIRK_NOTOUCH			0x00000002
 #define HID_QUIRK_IGNORE			0x00000004
 #define HID_QUIRK_NOGET				0x00000008
+#define HID_QUIRK_HIDDEV_FORCE			0x00000010
 #define HID_QUIRK_BADPAD			0x00000020
 #define HID_QUIRK_MULTI_INPUT			0x00000040
 #define HID_QUIRK_SKIP_OUTPUT_REPORTS		0x00010000
 #define HID_QUIRK_FULLSPEED_INTERVAL		0x10000000
 #define HID_QUIRK_NO_INIT_REPORTS		0x20000000
+#define HID_QUIRK_NO_IGNORE			0x40000000
 
 /*
  * This is the global environment of the parser. This information is

From 653efbb4b2c796a39c67501e4bce983a41278dfa Mon Sep 17 00:00:00 2001
From: Stephane Chatty <chatty@lii-enac.fr>
Date: Fri, 16 Apr 2010 22:23:58 +0200
Subject: [PATCH 0470/3638] HID: fixed missing inits in hid-cando.c

With flags non initialized, the single touch emulation has an erratic
behavior. Fixed this.

Signed-off-by: Stephane Chatty <chatty@lii-enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-cando.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/hid/hid-cando.c b/drivers/hid/hid-cando.c
index 4fc8f513dcc..f9b2233d9e4 100644
--- a/drivers/hid/hid-cando.c
+++ b/drivers/hid/hid-cando.c
@@ -211,6 +211,9 @@ static int cando_probe(struct hid_device *hdev, const struct hid_device_id *id)
 		return -ENOMEM;
 	}
 	hid_set_drvdata(hdev, td);
+	td->first = false;
+	td->oldest = -1;
+	td->valid = false;
 
 	ret = hid_parse(hdev);
 	if (!ret)

From 18392212932ecbdc71bc6a298ad301328eefb09d Mon Sep 17 00:00:00 2001
From: Lorenzo Castelli <lcastelli@gmail.com>
Date: Fri, 16 Apr 2010 19:00:31 +0200
Subject: [PATCH 0471/3638] HID: add mappings for a few keys found on Logitech
 MX3200

The keys are added to the generic wireless mappings in case other
keyboards use them. Note that the product ID for the MX3200 is the same
as USB_DEVICE_ID_S510_RECEIVER_2.

Signed-off-by: Lorenzo Castelli <lcastelli@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-lg.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 3677c9037a1..f6433d8050a 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -126,6 +126,9 @@ static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
 	case 0x1004: lg_map_key_clear(KEY_VIDEO);		break;
 	case 0x1005: lg_map_key_clear(KEY_AUDIO);		break;
 	case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);		break;
+	/* The following two entries are Playlist 1 and 2 on the MX3200 */
+	case 0x100f: lg_map_key_clear(KEY_FN_1);		break;
+	case 0x1010: lg_map_key_clear(KEY_FN_2);		break;
 	case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);	break;
 	case 0x1012: lg_map_key_clear(KEY_NEXTSONG);		break;
 	case 0x1013: lg_map_key_clear(KEY_CAMERA);		break;
@@ -137,6 +140,7 @@ static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
 	case 0x1019: lg_map_key_clear(KEY_PROG1);		break;
 	case 0x101a: lg_map_key_clear(KEY_PROG2);		break;
 	case 0x101b: lg_map_key_clear(KEY_PROG3);		break;
+	case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
 	case 0x101f: lg_map_key_clear(KEY_ZOOMIN);		break;
 	case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);		break;
 	case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);		break;
@@ -147,6 +151,11 @@ static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
 	case 0x1029: lg_map_key_clear(KEY_SHUFFLE);		break;
 	case 0x102a: lg_map_key_clear(KEY_BACK);		break;
 	case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
+	case 0x102d: lg_map_key_clear(KEY_WWW);			break;
+	/* The following two are 'Start/answer call' and 'End/reject call'
+	   on the MX3200 */
+	case 0x1031: lg_map_key_clear(KEY_OK);			break;
+	case 0x1032: lg_map_key_clear(KEY_CANCEL);		break;
 	case 0x1041: lg_map_key_clear(KEY_BATTERY);		break;
 	case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);	break;
 	case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);		break;

From 99700716a9b2e117fd50c6d3f1fd5edeef6dc6d2 Mon Sep 17 00:00:00 2001
From: Chihau Chau <chihau@gmail.com>
Date: Mon, 19 Apr 2010 21:02:41 +0800
Subject: [PATCH 0472/3638] crypto: geode-aes - Fix some code style issues

This fixes some code style issues like:

- Use #include <linux/io.h> instead of <asm/io.h> and #include
  <linux/delay.h> instead of <asm/delay.h>

- Use "foo *bar" instead of "foo * bar"

- Add a space after the for or while sentence and before the open
  parenthesis '('

- Don't use assignments in a if condition

Signed-off-by: Chihau Chau <chihau@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/geode-aes.c | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index c7a5a43ba69..09389dd2f96 100644
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -15,14 +15,14 @@
 #include <crypto/algapi.h>
 #include <crypto/aes.h>
 
-#include <asm/io.h>
-#include <asm/delay.h>
+#include <linux/io.h>
+#include <linux/delay.h>
 
 #include "geode-aes.h"
 
 /* Static structures */
 
-static void __iomem * _iobase;
+static void __iomem *_iobase;
 static spinlock_t lock;
 
 /* Write a 128 bit field (either a writable key or IV) */
@@ -30,7 +30,7 @@ static inline void
 _writefield(u32 offset, void *value)
 {
 	int i;
-	for(i = 0; i < 4; i++)
+	for (i = 0; i < 4; i++)
 		iowrite32(((u32 *) value)[i], _iobase + offset + (i * 4));
 }
 
@@ -39,7 +39,7 @@ static inline void
 _readfield(u32 offset, void *value)
 {
 	int i;
-	for(i = 0; i < 4; i++)
+	for (i = 0; i < 4; i++)
 		((u32 *) value)[i] = ioread32(_iobase + offset + (i * 4));
 }
 
@@ -59,7 +59,7 @@ do_crypt(void *src, void *dst, int len, u32 flags)
 	do {
 		status = ioread32(_iobase + AES_INTR_REG);
 		cpu_relax();
-	} while(!(status & AES_INTRA_PENDING) && --counter);
+	} while (!(status & AES_INTRA_PENDING) && --counter);
 
 	/* Clear the event */
 	iowrite32((status & 0xFF) | AES_INTRA_PENDING, _iobase + AES_INTR_REG);
@@ -317,7 +317,7 @@ geode_cbc_decrypt(struct blkcipher_desc *desc,
 	err = blkcipher_walk_virt(desc, &walk);
 	op->iv = walk.iv;
 
-	while((nbytes = walk.nbytes)) {
+	while ((nbytes = walk.nbytes)) {
 		op->src = walk.src.virt.addr,
 		op->dst = walk.dst.virt.addr;
 		op->mode = AES_MODE_CBC;
@@ -349,7 +349,7 @@ geode_cbc_encrypt(struct blkcipher_desc *desc,
 	err = blkcipher_walk_virt(desc, &walk);
 	op->iv = walk.iv;
 
-	while((nbytes = walk.nbytes)) {
+	while ((nbytes = walk.nbytes)) {
 		op->src = walk.src.virt.addr,
 		op->dst = walk.dst.virt.addr;
 		op->mode = AES_MODE_CBC;
@@ -429,7 +429,7 @@ geode_ecb_decrypt(struct blkcipher_desc *desc,
 	blkcipher_walk_init(&walk, dst, src, nbytes);
 	err = blkcipher_walk_virt(desc, &walk);
 
-	while((nbytes = walk.nbytes)) {
+	while ((nbytes = walk.nbytes)) {
 		op->src = walk.src.virt.addr,
 		op->dst = walk.dst.virt.addr;
 		op->mode = AES_MODE_ECB;
@@ -459,7 +459,7 @@ geode_ecb_encrypt(struct blkcipher_desc *desc,
 	blkcipher_walk_init(&walk, dst, src, nbytes);
 	err = blkcipher_walk_virt(desc, &walk);
 
-	while((nbytes = walk.nbytes)) {
+	while ((nbytes = walk.nbytes)) {
 		op->src = walk.src.virt.addr,
 		op->dst = walk.dst.virt.addr;
 		op->mode = AES_MODE_ECB;
@@ -518,11 +518,12 @@ static int __devinit
 geode_aes_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	int ret;
-
-	if ((ret = pci_enable_device(dev)))
+	ret = pci_enable_device(dev);
+	if (ret)
 		return ret;
 
-	if ((ret = pci_request_regions(dev, "geode-aes")))
+	ret = pci_request_regions(dev, "geode-aes");
+	if (ret)
 		goto eenable;
 
 	_iobase = pci_iomap(dev, 0, 0);
@@ -537,13 +538,16 @@ geode_aes_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	/* Clear any pending activity */
 	iowrite32(AES_INTR_PENDING | AES_INTR_MASK, _iobase + AES_INTR_REG);
 
-	if ((ret = crypto_register_alg(&geode_alg)))
+	ret = crypto_register_alg(&geode_alg);
+	if (ret)
 		goto eiomap;
 
-	if ((ret = crypto_register_alg(&geode_ecb_alg)))
+	ret = crypto_register_alg(&geode_ecb_alg);
+	if (ret)
 		goto ealg;
 
-	if ((ret = crypto_register_alg(&geode_cbc_alg)))
+	ret = crypto_register_alg(&geode_cbc_alg);
+	if (ret)
 		goto eecb;
 
 	printk(KERN_NOTICE "geode-aes: GEODE AES engine enabled.\n");

From edd5bdaf128e04066caac84fcb21377197ea0d64 Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Wed, 14 Apr 2010 22:30:18 +0200
Subject: [PATCH 0473/3638] firewire: core: clean up config ROM related defined
 constants

Clemens Ladisch pointed out that
  - BIB_IMC is not named like the field is called in the standard,
  - readers of the code may get worried about the magic 0x0c0083c0,
  - a CSR_NODE_CAPABILITIES key is there in the header but not put to
    good use.

So let's rename BIB_IMC, add a defined constant for Node_Capabilities
and a comment which reassures people that somebody thought about it and
they don't have to (or if they still do, tell them where they have to
look for confirmation), and prune our incomplete and arbitrary set of
defined constants of CSR key IDs.  And there is a nother magic number,
that of Bus_Information_Block.Bus_Name, to be defined and commented.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/core-card.c | 11 ++++++-----
 include/linux/firewire.h     |  2 --
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
index 5045156c531..42cf911b73c 100644
--- a/drivers/firewire/core-card.c
+++ b/drivers/firewire/core-card.c
@@ -63,7 +63,7 @@ static size_t config_rom_length = 1 + 4 + 1 + 1;
 #define BIB_CRC(v)		((v) <<  0)
 #define BIB_CRC_LENGTH(v)	((v) << 16)
 #define BIB_INFO_LENGTH(v)	((v) << 24)
-
+#define BIB_BUS_NAME		0x31333934 /* "1394" */
 #define BIB_LINK_SPEED(v)	((v) <<  0)
 #define BIB_GENERATION(v)	((v) <<  4)
 #define BIB_MAX_ROM(v)		((v) <<  8)
@@ -73,7 +73,8 @@ static size_t config_rom_length = 1 + 4 + 1 + 1;
 #define BIB_BMC			((1) << 28)
 #define BIB_ISC			((1) << 29)
 #define BIB_CMC			((1) << 30)
-#define BIB_IMC			((1) << 31)
+#define BIB_IRMC		((1) << 31)
+#define NODE_CAPABILITIES	0x0c0083c0 /* per IEEE 1394 clause 8.3.2.6.5.2 */
 
 static void generate_config_rom(struct fw_card *card, __be32 *config_rom)
 {
@@ -91,18 +92,18 @@ static void generate_config_rom(struct fw_card *card, __be32 *config_rom)
 
 	config_rom[0] = cpu_to_be32(
 		BIB_CRC_LENGTH(4) | BIB_INFO_LENGTH(4) | BIB_CRC(0));
-	config_rom[1] = cpu_to_be32(0x31333934);
+	config_rom[1] = cpu_to_be32(BIB_BUS_NAME);
 	config_rom[2] = cpu_to_be32(
 		BIB_LINK_SPEED(card->link_speed) |
 		BIB_GENERATION(card->config_rom_generation++ % 14 + 2) |
 		BIB_MAX_ROM(2) |
 		BIB_MAX_RECEIVE(card->max_receive) |
-		BIB_BMC | BIB_ISC | BIB_CMC | BIB_IMC);
+		BIB_BMC | BIB_ISC | BIB_CMC | BIB_IRMC);
 	config_rom[3] = cpu_to_be32(card->guid >> 32);
 	config_rom[4] = cpu_to_be32(card->guid);
 
 	/* Generate root directory. */
-	config_rom[6] = cpu_to_be32(0x0c0083c0); /* node capabilities */
+	config_rom[6] = cpu_to_be32(NODE_CAPABILITIES);
 	i = 7;
 	j = 7 + descriptor_count;
 
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index 4bd94bf5e73..a527d73f996 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -55,13 +55,11 @@
 #define CSR_DESCRIPTOR		0x01
 #define CSR_VENDOR		0x03
 #define CSR_HARDWARE_VERSION	0x04
-#define CSR_NODE_CAPABILITIES	0x0c
 #define CSR_UNIT		0x11
 #define CSR_SPECIFIER_ID	0x12
 #define CSR_VERSION		0x13
 #define CSR_DEPENDENT_INFO	0x14
 #define CSR_MODEL		0x17
-#define CSR_INSTANCE		0x18
 #define CSR_DIRECTORY_ID	0x20
 
 struct fw_csr_iterator {

From 7906054f0d597246178b3154adca76de29913aa5 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Mon, 19 Apr 2010 17:29:14 +0200
Subject: [PATCH 0474/3638] firewire: core: make transaction label allocation
 more robust

If one request is so long-lived that it does not get a response before
the following 63 requests, its bit in tlabel_mask is still set when the
next request tries to allocate a transaction label for that number.  In
this state, while the first request is not completed or timed out, no
new requests can be submitted.

To fix this, skip over any label still in use, and do not error out
unless we have entirely run out of labels.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/core-transaction.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 673b03f8b4e..9882240205c 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -229,6 +229,23 @@ static void fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
 	packet->payload_mapped = false;
 }
 
+static int allocate_tlabel(struct fw_card *card)
+{
+	int tlabel;
+
+	tlabel = card->current_tlabel;
+	while (card->tlabel_mask & (1ULL << tlabel)) {
+		tlabel = (tlabel + 1) & 0x3f;
+		if (tlabel == card->current_tlabel)
+			return -EBUSY;
+	}
+
+	card->current_tlabel = (tlabel + 1) & 0x3f;
+	card->tlabel_mask |= 1ULL << tlabel;
+
+	return tlabel;
+}
+
 /**
  * This function provides low-level access to the IEEE1394 transaction
  * logic.  Most C programs would use either fw_read(), fw_write() or
@@ -290,16 +307,13 @@ void fw_send_request(struct fw_card *card, struct fw_transaction *t, int tcode,
 
 	spin_lock_irqsave(&card->lock, flags);
 
-	tlabel = card->current_tlabel;
-	if (card->tlabel_mask & (1ULL << tlabel)) {
+	tlabel = allocate_tlabel(card);
+	if (tlabel < 0) {
 		spin_unlock_irqrestore(&card->lock, flags);
 		callback(card, RCODE_SEND_ERROR, NULL, 0, callback_data);
 		return;
 	}
 
-	card->current_tlabel = (card->current_tlabel + 1) & 0x3f;
-	card->tlabel_mask |= (1ULL << tlabel);
-
 	t->node_id = destination_id;
 	t->tlabel = tlabel;
 	t->callback = callback;

From e92a716240258989f19c7345e8b135e6d214431a Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Tue, 12 Jan 2010 14:17:03 -0500
Subject: [PATCH 0475/3638] ACPI: Export EDID blocks to the kernel

The ACPI spec includes a provision for hardware to provide EDID via the
ACPI video extension. In the KMS world it's necessary for a way to obtain
this from within the kernel. Add a function that either returns the EDID
for the provided ACPI display ID or the first display of the provided type.
Also add support for ensuring that devices with legacy IDs are supported.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/video.c | 110 +++++++++++++++++++++++++++++++++++++++----
 include/acpi/video.h |  16 +++++++
 2 files changed, 118 insertions(+), 8 deletions(-)

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index a0c93b32148..4b8bda1154d 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -45,6 +45,7 @@
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 #include <linux/suspend.h>
+#include <acpi/video.h>
 
 #define PREFIX "ACPI: "
 
@@ -65,11 +66,6 @@
 
 #define MAX_NAME_LEN	20
 
-#define ACPI_VIDEO_DISPLAY_CRT	1
-#define ACPI_VIDEO_DISPLAY_TV	2
-#define ACPI_VIDEO_DISPLAY_DVI	3
-#define ACPI_VIDEO_DISPLAY_LCD	4
-
 #define _COMPONENT		ACPI_VIDEO_COMPONENT
 ACPI_MODULE_NAME("video");
 
@@ -1747,12 +1743,28 @@ acpi_video_get_device_attr(struct acpi_video_bus *video, unsigned long device_id
 	return NULL;
 }
 
+static int
+acpi_video_get_device_type(struct acpi_video_bus *video,
+			   unsigned long device_id)
+{
+	struct acpi_video_enumerated_device *ids;
+	int i;
+
+	for (i = 0; i < video->attached_count; i++) {
+		ids = &video->attached_array[i];
+		if ((ids->value.int_val & 0xffff) == device_id)
+			return ids->value.int_val;
+	}
+
+	return 0;
+}
+
 static int
 acpi_video_bus_get_one_device(struct acpi_device *device,
 			      struct acpi_video_bus *video)
 {
 	unsigned long long device_id;
-	int status;
+	int status, device_type;
 	struct acpi_video_device *data;
 	struct acpi_video_device_attrib* attribute;
 
@@ -1797,8 +1809,25 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
 			}
 			if(attribute->bios_can_detect)
 				data->flags.bios = 1;
-		} else
-			data->flags.unknown = 1;
+		} else {
+			/* Check for legacy IDs */
+			device_type = acpi_video_get_device_type(video,
+								 device_id);
+			/* Ignore bits 16 and 18-20 */
+			switch (device_type & 0xffe2ffff) {
+			case ACPI_VIDEO_DISPLAY_LEGACY_MONITOR:
+				data->flags.crt = 1;
+				break;
+			case ACPI_VIDEO_DISPLAY_LEGACY_PANEL:
+				data->flags.lcd = 1;
+				break;
+			case ACPI_VIDEO_DISPLAY_LEGACY_TV:
+				data->flags.tvout = 1;
+				break;
+			default:
+				data->flags.unknown = 1;
+			}
+		}
 
 		acpi_video_device_bind(video, data);
 		acpi_video_device_find_cap(data);
@@ -2032,6 +2061,71 @@ out:
 	return result;
 }
 
+int acpi_video_get_edid(struct acpi_device *device, int type, int device_id,
+			void **edid)
+{
+	struct acpi_video_bus *video;
+	struct acpi_video_device *video_device;
+	union acpi_object *buffer = NULL;
+	acpi_status status;
+	int i, length;
+
+	if (!device || !acpi_driver_data(device))
+		return -EINVAL;
+
+	video = acpi_driver_data(device);
+
+	for (i = 0; i < video->attached_count; i++) {
+		video_device = video->attached_array[i].bind_info;
+		length = 256;
+
+		if (!video_device)
+			continue;
+
+		if (type) {
+			switch (type) {
+			case ACPI_VIDEO_DISPLAY_CRT:
+				if (!video_device->flags.crt)
+					continue;
+				break;
+			case ACPI_VIDEO_DISPLAY_TV:
+				if (!video_device->flags.tvout)
+					continue;
+				break;
+			case ACPI_VIDEO_DISPLAY_DVI:
+				if (!video_device->flags.dvi)
+					continue;
+				break;
+			case ACPI_VIDEO_DISPLAY_LCD:
+				if (!video_device->flags.lcd)
+					continue;
+				break;
+			}
+		} else if (video_device->device_id != device_id) {
+			continue;
+		}
+
+		status = acpi_video_device_EDID(video_device, &buffer, length);
+
+		if (ACPI_FAILURE(status) || !buffer ||
+		    buffer->type != ACPI_TYPE_BUFFER) {
+			length = 128;
+			status = acpi_video_device_EDID(video_device, &buffer,
+							length);
+			if (ACPI_FAILURE(status) || !buffer ||
+			    buffer->type != ACPI_TYPE_BUFFER) {
+				continue;
+			}
+		}
+
+		*edid = buffer->buffer.pointer;
+		return length;
+	}
+
+	return -ENODEV;
+}
+EXPORT_SYMBOL(acpi_video_get_edid);
+
 static int
 acpi_video_bus_get_devices(struct acpi_video_bus *video,
 			   struct acpi_device *device)
diff --git a/include/acpi/video.h b/include/acpi/video.h
index cf7be3dd157..551793c9b6e 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -1,12 +1,28 @@
 #ifndef __ACPI_VIDEO_H
 #define __ACPI_VIDEO_H
 
+#define ACPI_VIDEO_DISPLAY_CRT  1
+#define ACPI_VIDEO_DISPLAY_TV   2
+#define ACPI_VIDEO_DISPLAY_DVI  3
+#define ACPI_VIDEO_DISPLAY_LCD  4
+
+#define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100
+#define ACPI_VIDEO_DISPLAY_LEGACY_PANEL   0x0110
+#define ACPI_VIDEO_DISPLAY_LEGACY_TV      0x0200
+
 #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
 extern int acpi_video_register(void);
 extern void acpi_video_unregister(void);
+extern int acpi_video_get_edid(struct acpi_device *device, int type,
+			       int device_id, void **edid);
 #else
 static inline int acpi_video_register(void) { return 0; }
 static inline void acpi_video_unregister(void) { return; }
+static inline int acpi_video_get_edid(struct acpi_device *device, int type,
+				      int device_id, void **edid)
+{
+	return -ENODEV;
+}
 #endif
 
 #endif

From 1d397043bcc2c8cdccb584a8ef73131f28f18e4c Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 9 Apr 2010 19:05:04 +0000
Subject: [PATCH 0476/3638] drm: extract drm_gem_object_init

This function can be used by drivers who allocate the drm gem object
on their own. No functional change in here, just preparation.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_gem.c | 39 +++++++++++++++++++++++++++++----------
 include/drm/drmP.h        |  2 ++
 2 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index aa89d4b0b4c..3b64d0ef199 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -123,6 +123,31 @@ drm_gem_destroy(struct drm_device *dev)
 	dev->mm_private = NULL;
 }
 
+/**
+ * Initialize an already allocate GEM object of the specified size with
+ * shmfs backing store.
+ */
+int drm_gem_object_init(struct drm_device *dev,
+			struct drm_gem_object *obj, size_t size)
+{
+	BUG_ON((size & (PAGE_SIZE - 1)) != 0);
+
+	obj->dev = dev;
+	obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE);
+	if (IS_ERR(obj->filp))
+		return -ENOMEM;
+
+	kref_init(&obj->refcount);
+	kref_init(&obj->handlecount);
+	obj->size = size;
+
+	atomic_inc(&dev->object_count);
+	atomic_add(obj->size, &dev->object_memory);
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_gem_object_init);
+
 /**
  * Allocate a GEM object of the specified size with shmfs backing store
  */
@@ -131,28 +156,22 @@ drm_gem_object_alloc(struct drm_device *dev, size_t size)
 {
 	struct drm_gem_object *obj;
 
-	BUG_ON((size & (PAGE_SIZE - 1)) != 0);
-
 	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
 	if (!obj)
 		goto free;
 
-	obj->dev = dev;
-	obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE);
-	if (IS_ERR(obj->filp))
+	if (drm_gem_object_init(dev, obj, size) != 0)
 		goto free;
 
-	kref_init(&obj->refcount);
-	kref_init(&obj->handlecount);
-	obj->size = size;
 	if (dev->driver->gem_init_object != NULL &&
 	    dev->driver->gem_init_object(obj) != 0) {
 		goto fput;
 	}
-	atomic_inc(&dev->object_count);
-	atomic_add(obj->size, &dev->object_memory);
 	return obj;
 fput:
+	/* Object_init mangles the global counters - readjust them. */
+	atomic_dec(&dev->object_count);
+	atomic_sub(obj->size, &dev->object_memory);
 	fput(obj->filp);
 free:
 	kfree(obj);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 2f3b3a00b7a..b3b57b561b9 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1432,6 +1432,8 @@ void drm_gem_object_free(struct kref *kref);
 void drm_gem_object_free_unlocked(struct kref *kref);
 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
 					    size_t size);
+int drm_gem_object_init(struct drm_device *dev,
+			struct drm_gem_object *obj, size_t size);
 void drm_gem_object_handle_free(struct kref *kref);
 void drm_gem_vm_open(struct vm_area_struct *vma);
 void drm_gem_vm_close(struct vm_area_struct *vma);

From fd632aa34c8592fb1d37fc83cbffa827bc7dd42c Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 9 Apr 2010 19:05:05 +0000
Subject: [PATCH 0477/3638] drm: free core gem object from driver callbacks

When drivers embed the core gem object into their own structures,
they'll have to do this. Temporarily this results in an ugly

kfree(gem_obj);

in every gem driver.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_gem.c             | 10 +++-------
 drivers/gpu/drm/i915/i915_gem.c       |  3 +++
 drivers/gpu/drm/nouveau/nouveau_gem.c |  3 +++
 drivers/gpu/drm/radeon/radeon_gem.c   |  3 +++
 include/drm/drmP.h                    |  1 +
 5 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 3b64d0ef199..33dad3fa604 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -422,15 +422,15 @@ drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
 	idr_destroy(&file_private->object_idr);
 }
 
-static void
-drm_gem_object_free_common(struct drm_gem_object *obj)
+void
+drm_gem_object_release(struct drm_gem_object *obj)
 {
 	struct drm_device *dev = obj->dev;
 	fput(obj->filp);
 	atomic_dec(&dev->object_count);
 	atomic_sub(obj->size, &dev->object_memory);
-	kfree(obj);
 }
+EXPORT_SYMBOL(drm_gem_object_release);
 
 /**
  * Called after the last reference to the object has been lost.
@@ -448,8 +448,6 @@ drm_gem_object_free(struct kref *kref)
 
 	if (dev->driver->gem_free_object != NULL)
 		dev->driver->gem_free_object(obj);
-
-	drm_gem_object_free_common(obj);
 }
 EXPORT_SYMBOL(drm_gem_object_free);
 
@@ -472,8 +470,6 @@ drm_gem_object_free_unlocked(struct kref *kref)
 		dev->driver->gem_free_object(obj);
 		mutex_unlock(&dev->struct_mutex);
 	}
-
-	drm_gem_object_free_common(obj);
 }
 EXPORT_SYMBOL(drm_gem_object_free_unlocked);
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 80871c62a57..d4ea90999f6 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4474,6 +4474,9 @@ void i915_gem_free_object(struct drm_gem_object *obj)
 	kfree(obj_priv->page_cpu_valid);
 	kfree(obj_priv->bit_17);
 	kfree(obj->driver_private);
+
+	drm_gem_object_release(obj);
+	kfree(obj);
 }
 
 /** Unbinds all inactive objects. */
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 1bc0b38a516..6d1aa89ec87 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -57,6 +57,9 @@ nouveau_gem_object_del(struct drm_gem_object *gem)
 	}
 
 	ttm_bo_unref(&bo);
+
+	drm_gem_object_release(gem);
+	kfree(gem);
 }
 
 int
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index 28dd3e1b9c3..a72a3ee5d69 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -44,6 +44,9 @@ void radeon_gem_object_free(struct drm_gem_object *gobj)
 	if (robj) {
 		radeon_bo_unref(&robj);
 	}
+
+	drm_gem_object_release(gobj);
+	kfree(gobj);
 }
 
 int radeon_gem_object_create(struct radeon_device *rdev, int size,
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index b3b57b561b9..c1b987158df 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1428,6 +1428,7 @@ extern void drm_sysfs_connector_remove(struct drm_connector *connector);
 /* Graphics Execution Manager library functions (drm_gem.c) */
 int drm_gem_init(struct drm_device *dev);
 void drm_gem_destroy(struct drm_device *dev);
+void drm_gem_object_release(struct drm_gem_object *obj);
 void drm_gem_object_free(struct kref *kref);
 void drm_gem_object_free_unlocked(struct kref *kref);
 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,

From ac52bc56de25535a907ef07f8755f1387b89b0f5 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 9 Apr 2010 19:05:06 +0000
Subject: [PATCH 0478/3638] drm/i915: introduce i915_gem_alloc_object

Just preparation, no functional change.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_drv.h      |  2 ++
 drivers/gpu/drm/i915/i915_gem.c      | 12 +++++++++---
 drivers/gpu/drm/i915/intel_display.c |  2 +-
 drivers/gpu/drm/i915/intel_fb.c      |  2 +-
 drivers/gpu/drm/i915/intel_overlay.c |  2 +-
 5 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 1258b1119d9..6b931b8750a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -908,6 +908,8 @@ int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
 void i915_gem_load(struct drm_device *dev);
 int i915_gem_init_object(struct drm_gem_object *obj);
+struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
+					      size_t size);
 void i915_gem_free_object(struct drm_gem_object *obj);
 int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
 void i915_gem_object_unpin(struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d4ea90999f6..92dd5221682 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -124,7 +124,7 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
 	args->size = roundup(args->size, PAGE_SIZE);
 
 	/* Allocate the new object */
-	obj = drm_gem_object_alloc(dev, args->size);
+	obj = i915_gem_alloc_object(dev, args->size);
 	if (obj == NULL)
 		return -ENOMEM;
 
@@ -4421,6 +4421,12 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
 	return 0;
 }
 
+struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
+					      size_t size)
+{
+	return drm_gem_object_alloc(dev, size);
+}
+
 int i915_gem_init_object(struct drm_gem_object *obj)
 {
 	struct drm_i915_gem_object *obj_priv;
@@ -4563,7 +4569,7 @@ i915_gem_init_hws(struct drm_device *dev)
 	if (!I915_NEED_GFX_HWS(dev))
 		return 0;
 
-	obj = drm_gem_object_alloc(dev, 4096);
+	obj = i915_gem_alloc_object(dev, 4096);
 	if (obj == NULL) {
 		DRM_ERROR("Failed to allocate status page\n");
 		return -ENOMEM;
@@ -4640,7 +4646,7 @@ i915_gem_init_ringbuffer(struct drm_device *dev)
 	if (ret != 0)
 		return ret;
 
-	obj = drm_gem_object_alloc(dev, 128 * 1024);
+	obj = i915_gem_alloc_object(dev, 128 * 1024);
 	if (obj == NULL) {
 		DRM_ERROR("Failed to allocate ringbuffer\n");
 		i915_gem_cleanup_hws(dev);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2f5f74160cb..3836f56e842 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4967,7 +4967,7 @@ intel_alloc_power_context(struct drm_device *dev)
 	struct drm_gem_object *pwrctx;
 	int ret;
 
-	pwrctx = drm_gem_object_alloc(dev, 4096);
+	pwrctx = i915_gem_alloc_object(dev, 4096);
 	if (!pwrctx) {
 		DRM_DEBUG("failed to alloc power context, RC6 disabled\n");
 		return NULL;
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 34ad0333eae..b04e0a86bf9 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -88,7 +88,7 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
 
 	size = mode_cmd.pitch * mode_cmd.height;
 	size = ALIGN(size, PAGE_SIZE);
-	fbo = drm_gem_object_alloc(dev, size);
+	fbo = i915_gem_alloc_object(dev, size);
 	if (!fbo) {
 		DRM_ERROR("failed to allocate framebuffer\n");
 		ret = -ENOMEM;
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 6d524a1fc27..bc3721af855 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -1341,7 +1341,7 @@ void intel_setup_overlay(struct drm_device *dev)
 		return;
 	overlay->dev = dev;
 
-	reg_bo = drm_gem_object_alloc(dev, PAGE_SIZE);
+	reg_bo = i915_gem_alloc_object(dev, PAGE_SIZE);
 	if (!reg_bo)
 		goto out_free;
 	overlay->reg_bo = to_intel_bo(reg_bo);

From c397b9084cabdcaae26266bd0bd32ba62e757046 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 9 Apr 2010 19:05:07 +0000
Subject: [PATCH 0479/3638] drm/i915: embed the gem object into
 drm_i915_gem_object

Just embed it and adjust the pointers, No other changes (that's
for later patches).

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_drv.h |  1 +
 drivers/gpu/drm/i915/i915_gem.c | 62 ++++++++++++++++-----------------
 2 files changed, 32 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 6b931b8750a..d1b7dec9add 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -647,6 +647,7 @@ typedef struct drm_i915_private {
 
 /** driver private structure attached to each drm_gem_object */
 struct drm_i915_gem_object {
+	struct drm_gem_object base;
 	struct drm_gem_object *obj;
 
 	/** Current space allocated to this object in the GTT, if any. */
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 92dd5221682..23c67e084de 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4424,37 +4424,38 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
 struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
 					      size_t size)
 {
-	return drm_gem_object_alloc(dev, size);
+	struct drm_i915_gem_object *obj;
+
+	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
+	if (obj == NULL)
+		return NULL;
+
+	if (drm_gem_object_init(dev, &obj->base, size) != 0) {
+		kfree(obj);
+		return NULL;
+	}
+
+	obj->base.write_domain = I915_GEM_DOMAIN_CPU;
+	obj->base.read_domains = I915_GEM_DOMAIN_CPU;
+
+	obj->agp_type = AGP_USER_MEMORY;
+
+	obj->base.driver_private = obj;
+	obj->obj = &obj->base;
+	obj->fence_reg = I915_FENCE_REG_NONE;
+	INIT_LIST_HEAD(&obj->list);
+	INIT_LIST_HEAD(&obj->gpu_write_list);
+	INIT_LIST_HEAD(&obj->fence_list);
+	obj->madv = I915_MADV_WILLNEED;
+
+	trace_i915_gem_object_create(&obj->base);
+
+	return &obj->base;
 }
 
 int i915_gem_init_object(struct drm_gem_object *obj)
 {
-	struct drm_i915_gem_object *obj_priv;
-
-	obj_priv = kzalloc(sizeof(*obj_priv), GFP_KERNEL);
-	if (obj_priv == NULL)
-		return -ENOMEM;
-
-	/*
-	 * We've just allocated pages from the kernel,
-	 * so they've just been written by the CPU with
-	 * zeros. They'll need to be clflushed before we
-	 * use them with the GPU.
-	 */
-	obj->write_domain = I915_GEM_DOMAIN_CPU;
-	obj->read_domains = I915_GEM_DOMAIN_CPU;
-
-	obj_priv->agp_type = AGP_USER_MEMORY;
-
-	obj->driver_private = obj_priv;
-	obj_priv->obj = obj;
-	obj_priv->fence_reg = I915_FENCE_REG_NONE;
-	INIT_LIST_HEAD(&obj_priv->list);
-	INIT_LIST_HEAD(&obj_priv->gpu_write_list);
-	INIT_LIST_HEAD(&obj_priv->fence_list);
-	obj_priv->madv = I915_MADV_WILLNEED;
-
-	trace_i915_gem_object_create(obj);
+	BUG();
 
 	return 0;
 }
@@ -4477,12 +4478,11 @@ void i915_gem_free_object(struct drm_gem_object *obj)
 	if (obj_priv->mmap_offset)
 		i915_gem_free_mmap_offset(obj);
 
+	drm_gem_object_release(obj);
+
 	kfree(obj_priv->page_cpu_valid);
 	kfree(obj_priv->bit_17);
-	kfree(obj->driver_private);
-
-	drm_gem_object_release(obj);
-	kfree(obj);
+	kfree(obj_priv);
 }
 
 /** Unbinds all inactive objects. */

From 62b8b21515065235bd363ad07094d301532e14ce Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 9 Apr 2010 19:05:08 +0000
Subject: [PATCH 0480/3638] drm/i915: don't use ->driver_private anymore

Thanks to the to_intel_bo helper, this change is rather trivial.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_drv.h | 2 +-
 drivers/gpu/drm/i915/i915_gem.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d1b7dec9add..354b00f92d4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -747,7 +747,7 @@ struct drm_i915_gem_object {
 	atomic_t pending_flip;
 };
 
-#define to_intel_bo(x) ((struct drm_i915_gem_object *) (x)->driver_private)
+#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
 
 /**
  * Request queue structure.
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 23c67e084de..7c8c01b49d6 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4440,7 +4440,7 @@ struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
 
 	obj->agp_type = AGP_USER_MEMORY;
 
-	obj->base.driver_private = obj;
+	obj->base.driver_private = NULL;
 	obj->obj = &obj->base;
 	obj->fence_reg = I915_FENCE_REG_NONE;
 	INIT_LIST_HEAD(&obj->list);

From a8089e849a32c5b6bfd6c88dbd09c0ea4a779b71 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 9 Apr 2010 19:05:09 +0000
Subject: [PATCH 0481/3638] drm/i915: drop pointer to drm_gem_object

Luckily the change is quite a little bit less invasive than I've
feared.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c   | 15 +++++++--------
 drivers/gpu/drm/i915/i915_drv.h       |  1 -
 drivers/gpu/drm/i915/i915_gem.c       | 21 ++++++++++-----------
 drivers/gpu/drm/i915/i915_gem_debug.c |  2 +-
 drivers/gpu/drm/i915/i915_irq.c       |  4 ++--
 drivers/gpu/drm/i915/intel_overlay.c  |  6 +++---
 6 files changed, 23 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a0b8447b06e..213aa3f6731 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -96,19 +96,18 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data)
 		spin_lock(lock);
 	list_for_each_entry(obj_priv, head, list)
 	{
-		struct drm_gem_object *obj = obj_priv->obj;
-
 		seq_printf(m, "    %p: %s %8zd %08x %08x %d%s%s",
-			   obj,
+			   &obj_priv->base,
 			   get_pin_flag(obj_priv),
-			   obj->size,
-			   obj->read_domains, obj->write_domain,
+			   obj_priv->base.size,
+			   obj_priv->base.read_domains,
+			   obj_priv->base.write_domain,
 			   obj_priv->last_rendering_seqno,
 			   obj_priv->dirty ? " dirty" : "",
 			   obj_priv->madv == I915_MADV_DONTNEED ? " purgeable" : "");
 
-		if (obj->name)
-			seq_printf(m, " (name: %d)", obj->name);
+		if (obj_priv->base.name)
+			seq_printf(m, " (name: %d)", obj_priv->base.name);
 		if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
 			seq_printf(m, " (fence: %d)", obj_priv->fence_reg);
 		if (obj_priv->gtt_space != NULL)
@@ -289,7 +288,7 @@ static int i915_batchbuffer_info(struct seq_file *m, void *data)
 	spin_lock(&dev_priv->mm.active_list_lock);
 
 	list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
-		obj = obj_priv->obj;
+		obj = &obj_priv->base;
 		if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
 		    ret = i915_gem_object_get_pages(obj, 0);
 		    if (ret) {
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 354b00f92d4..242993bedab 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -648,7 +648,6 @@ typedef struct drm_i915_private {
 /** driver private structure attached to each drm_gem_object */
 struct drm_i915_gem_object {
 	struct drm_gem_object base;
-	struct drm_gem_object *obj;
 
 	/** Current space allocated to this object in the GTT, if any. */
 	struct drm_mm_node *gtt_space;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 7c8c01b49d6..47c46ed384f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1566,7 +1566,7 @@ i915_gem_process_flushing_list(struct drm_device *dev,
 	list_for_each_entry_safe(obj_priv, next,
 				 &dev_priv->mm.gpu_write_list,
 				 gpu_write_list) {
-		struct drm_gem_object *obj = obj_priv->obj;
+		struct drm_gem_object *obj = &obj_priv->base;
 
 		if ((obj->write_domain & flush_domains) ==
 		    obj->write_domain) {
@@ -1704,7 +1704,7 @@ i915_gem_retire_request(struct drm_device *dev,
 		obj_priv = list_first_entry(&dev_priv->mm.active_list,
 					    struct drm_i915_gem_object,
 					    list);
-		obj = obj_priv->obj;
+		obj = &obj_priv->base;
 
 		/* If the seqno being retired doesn't match the oldest in the
 		 * list, then the oldest in the list must still be newer than
@@ -2075,7 +2075,7 @@ i915_gem_find_inactive_object(struct drm_device *dev, int min_size)
 
 	/* Try to find the smallest clean object */
 	list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) {
-		struct drm_gem_object *obj = obj_priv->obj;
+		struct drm_gem_object *obj = &obj_priv->base;
 		if (obj->size >= min_size) {
 			if ((!obj_priv->dirty ||
 			     i915_gem_object_is_purgeable(obj_priv)) &&
@@ -2209,7 +2209,7 @@ i915_gem_evict_something(struct drm_device *dev, int min_size)
 
 			/* Find an object that we can immediately reuse */
 			list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, list) {
-				obj = obj_priv->obj;
+				obj = &obj_priv->base;
 				if (obj->size >= min_size)
 					break;
 
@@ -2437,7 +2437,7 @@ static int i915_find_fence_reg(struct drm_device *dev)
 	i = I915_FENCE_REG_NONE;
 	list_for_each_entry(obj_priv, &dev_priv->mm.fence_list,
 			    fence_list) {
-		obj = obj_priv->obj;
+		obj = &obj_priv->base;
 
 		if (obj_priv->pin_count)
 			continue;
@@ -4441,7 +4441,6 @@ struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
 	obj->agp_type = AGP_USER_MEMORY;
 
 	obj->base.driver_private = NULL;
-	obj->obj = &obj->base;
 	obj->fence_reg = I915_FENCE_REG_NONE;
 	INIT_LIST_HEAD(&obj->list);
 	INIT_LIST_HEAD(&obj->gpu_write_list);
@@ -4495,9 +4494,9 @@ i915_gem_evict_from_inactive_list(struct drm_device *dev)
 		struct drm_gem_object *obj;
 		int ret;
 
-		obj = list_first_entry(&dev_priv->mm.inactive_list,
-				       struct drm_i915_gem_object,
-				       list)->obj;
+		obj = &list_first_entry(&dev_priv->mm.inactive_list,
+					struct drm_i915_gem_object,
+					list)->base;
 
 		ret = i915_gem_object_unbind(obj);
 		if (ret != 0) {
@@ -5111,7 +5110,7 @@ i915_gem_shrink(int nr_to_scan, gfp_t gfp_mask)
 					 &dev_priv->mm.inactive_list,
 					 list) {
 			if (i915_gem_object_is_purgeable(obj_priv)) {
-				i915_gem_object_unbind(obj_priv->obj);
+				i915_gem_object_unbind(&obj_priv->base);
 				if (--nr_to_scan <= 0)
 					break;
 			}
@@ -5140,7 +5139,7 @@ i915_gem_shrink(int nr_to_scan, gfp_t gfp_mask)
 					 &dev_priv->mm.inactive_list,
 					 list) {
 			if (nr_to_scan > 0) {
-				i915_gem_object_unbind(obj_priv->obj);
+				i915_gem_object_unbind(&obj_priv->base);
 				nr_to_scan--;
 			} else
 				cnt++;
diff --git a/drivers/gpu/drm/i915/i915_gem_debug.c b/drivers/gpu/drm/i915/i915_gem_debug.c
index 35507cf53fa..80f380b1d95 100644
--- a/drivers/gpu/drm/i915/i915_gem_debug.c
+++ b/drivers/gpu/drm/i915/i915_gem_debug.c
@@ -39,7 +39,7 @@ i915_verify_inactive(struct drm_device *dev, char *file, int line)
 	struct drm_i915_gem_object *obj_priv;
 
 	list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) {
-		obj = obj_priv->obj;
+		obj = &obj_priv->base;
 		if (obj_priv->pin_count || obj_priv->active ||
 		    (obj->write_domain & ~(I915_GEM_DOMAIN_CPU |
 					   I915_GEM_DOMAIN_GTT)))
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e357ccd1ce5..ed26b7b7376 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -613,7 +613,7 @@ static void i915_capture_error_state(struct drm_device *dev)
 	batchbuffer[1] = NULL;
 	count = 0;
 	list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
-		struct drm_gem_object *obj = obj_priv->obj;
+		struct drm_gem_object *obj = &obj_priv->base;
 
 		if (batchbuffer[0] == NULL &&
 		    bbaddr >= obj_priv->gtt_offset &&
@@ -649,7 +649,7 @@ static void i915_capture_error_state(struct drm_device *dev)
 	if (error->active_bo) {
 		int i = 0;
 		list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
-			struct drm_gem_object *obj = obj_priv->obj;
+			struct drm_gem_object *obj = &obj_priv->base;
 
 			error->active_bo[i].size = obj->size;
 			error->active_bo[i].name = obj->name;
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index bc3721af855..b0e17b06eb6 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -373,7 +373,7 @@ static void intel_overlay_off_tail(struct intel_overlay *overlay)
 
 	/* never have the overlay hw on without showing a frame */
 	BUG_ON(!overlay->vid_bo);
-	obj = overlay->vid_bo->obj;
+	obj = &overlay->vid_bo->base;
 
 	i915_gem_object_unpin(obj);
 	drm_gem_object_unreference(obj);
@@ -411,7 +411,7 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
 
 	switch (overlay->hw_wedged) {
 		case RELEASE_OLD_VID:
-			obj = overlay->old_vid_bo->obj;
+			obj = &overlay->old_vid_bo->base;
 			i915_gem_object_unpin(obj);
 			drm_gem_object_unreference(obj);
 			overlay->old_vid_bo = NULL;
@@ -467,7 +467,7 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
 	if (ret != 0)
 		return ret;
 
-	obj = overlay->old_vid_bo->obj;
+	obj = &overlay->old_vid_bo->base;
 	i915_gem_object_unpin(obj);
 	drm_gem_object_unreference(obj);
 	overlay->old_vid_bo = NULL;

From 82c5da6bf8b55a931b042fb531083863d26c8020 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Fri, 9 Apr 2010 14:39:23 +0200
Subject: [PATCH 0482/3638] drm/ttm: ttm_fault callback to allow driver to
 handle bo placement V6

On fault the driver is given the opportunity to perform any operation
it sees fit in order to place the buffer into a CPU visible area of
memory. This patch doesn't break TTM users, nouveau, vmwgfx and radeon
should keep working properly. Future patch will take advantage of this
infrastructure and remove the old path from TTM once driver are
converted.

V2 return VM_FAULT_NOPAGE if callback return -EBUSY or -ERESTARTSYS
V3 balance io_mem_reserve and io_mem_free call, fault_reserve_notify
   is responsible to perform any necessary task for mapping to succeed
V4 minor cleanup, atomic_t -> bool as member is protected by reserve
   mecanism from concurent access
V5 the callback is now responsible for iomapping the bo and providing
   a virtual address this simplify TTM and will allow to get rid of
   TTM_MEMTYPE_FLAG_NEEDS_IOREMAP
V6 use the bus addr data to decide to ioremap or this isn't needed
   but we don't necesarily need to ioremap in the callback but still
   allow driver to use static mapping

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c      |   7 +-
 drivers/gpu/drm/ttm/ttm_bo_util.c | 124 +++++++++++++++---------------
 drivers/gpu/drm/ttm/ttm_bo_vm.c   |  41 +++++-----
 include/drm/ttm/ttm_bo_api.h      |  23 ++++++
 include/drm/ttm/ttm_bo_driver.h   |  16 +++-
 5 files changed, 126 insertions(+), 85 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 40631e2866f..b42e3fae1bd 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -632,6 +632,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
 
 	evict_mem = bo->mem;
 	evict_mem.mm_node = NULL;
+	evict_mem.bus.io_reserved = false;
 
 	placement.fpfn = 0;
 	placement.lpfn = 0;
@@ -1005,6 +1006,7 @@ int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
 	mem.num_pages = bo->num_pages;
 	mem.size = mem.num_pages << PAGE_SHIFT;
 	mem.page_alignment = bo->mem.page_alignment;
+	mem.bus.io_reserved = false;
 	/*
 	 * Determine where to move the buffer.
 	 */
@@ -1160,6 +1162,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
 	bo->mem.num_pages = bo->num_pages;
 	bo->mem.mm_node = NULL;
 	bo->mem.page_alignment = page_alignment;
+	bo->mem.bus.io_reserved = false;
 	bo->buffer_start = buffer_start & PAGE_MASK;
 	bo->priv_flags = 0;
 	bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
@@ -1574,7 +1577,7 @@ int ttm_bo_pci_offset(struct ttm_bo_device *bdev,
 	if (ttm_mem_reg_is_pci(bdev, mem)) {
 		*bus_offset = mem->mm_node->start << PAGE_SHIFT;
 		*bus_size = mem->num_pages << PAGE_SHIFT;
-		*bus_base = man->io_offset;
+		*bus_base = man->io_offset + (uintptr_t)man->io_addr;
 	}
 
 	return 0;
@@ -1588,8 +1591,8 @@ void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo)
 
 	if (!bdev->dev_mapping)
 		return;
-
 	unmap_mapping_range(bdev->dev_mapping, offset, holelen, 1);
+	ttm_mem_io_free(bdev, &bo->mem);
 }
 EXPORT_SYMBOL(ttm_bo_unmap_virtual);
 
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 865b2a826e1..d58eeb5ed22 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -81,30 +81,62 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
 }
 EXPORT_SYMBOL(ttm_bo_move_ttm);
 
+int ttm_mem_io_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
+	int ret;
+
+	if (bdev->driver->io_mem_reserve) {
+		if (!mem->bus.io_reserved) {
+			mem->bus.io_reserved = true;
+			ret = bdev->driver->io_mem_reserve(bdev, mem);
+			if (unlikely(ret != 0))
+				return ret;
+		}
+	} else {
+		ret = ttm_bo_pci_offset(bdev, mem, &mem->bus.base, &mem->bus.offset, &mem->bus.size);
+		if (unlikely(ret != 0))
+			return ret;
+		mem->bus.addr = NULL;
+		if (!(man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP))
+			mem->bus.addr = (void *)(((u8 *)man->io_addr) + mem->bus.offset);
+		mem->bus.is_iomem = (mem->bus.size > 0) ? 1 : 0;
+	}
+	return 0;
+}
+
+void ttm_mem_io_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+	if (bdev->driver->io_mem_reserve) {
+		if (mem->bus.io_reserved) {
+			mem->bus.io_reserved = false;
+			bdev->driver->io_mem_free(bdev, mem);
+		}
+	}
+}
+
 int ttm_mem_reg_ioremap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem,
 			void **virtual)
 {
-	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
-	unsigned long bus_offset;
-	unsigned long bus_size;
-	unsigned long bus_base;
 	int ret;
 	void *addr;
 
 	*virtual = NULL;
-	ret = ttm_bo_pci_offset(bdev, mem, &bus_base, &bus_offset, &bus_size);
-	if (ret || bus_size == 0)
+	ret = ttm_mem_io_reserve(bdev, mem);
+	if (ret)
 		return ret;
 
-	if (!(man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP))
-		addr = (void *)(((u8 *) man->io_addr) + bus_offset);
-	else {
+	if (mem->bus.addr) {
+		addr = mem->bus.addr;
+	} else {
 		if (mem->placement & TTM_PL_FLAG_WC)
-			addr = ioremap_wc(bus_base + bus_offset, bus_size);
+			addr = ioremap_wc(mem->bus.base + mem->bus.offset, mem->bus.size);
 		else
-			addr = ioremap_nocache(bus_base + bus_offset, bus_size);
-		if (!addr)
+			addr = ioremap_nocache(mem->bus.base + mem->bus.offset, mem->bus.size);
+		if (!addr) {
+			ttm_mem_io_free(bdev, mem);
 			return -ENOMEM;
+		}
 	}
 	*virtual = addr;
 	return 0;
@@ -117,8 +149,9 @@ void ttm_mem_reg_iounmap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem,
 
 	man = &bdev->man[mem->mem_type];
 
-	if (virtual && (man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP))
+	if (virtual && (man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP || mem->bus.addr == NULL))
 		iounmap(virtual);
+	ttm_mem_io_free(bdev, mem);
 }
 
 static int ttm_copy_io_page(void *dst, void *src, unsigned long page)
@@ -370,26 +403,23 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp)
 EXPORT_SYMBOL(ttm_io_prot);
 
 static int ttm_bo_ioremap(struct ttm_buffer_object *bo,
-			  unsigned long bus_base,
-			  unsigned long bus_offset,
-			  unsigned long bus_size,
+			  unsigned long offset,
+			  unsigned long size,
 			  struct ttm_bo_kmap_obj *map)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
 	struct ttm_mem_reg *mem = &bo->mem;
-	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
 
-	if (!(man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP)) {
+	if (bo->mem.bus.addr) {
 		map->bo_kmap_type = ttm_bo_map_premapped;
-		map->virtual = (void *)(((u8 *) man->io_addr) + bus_offset);
+		map->virtual = (void *)(((u8 *)bo->mem.bus.addr) + offset);
 	} else {
 		map->bo_kmap_type = ttm_bo_map_iomap;
 		if (mem->placement & TTM_PL_FLAG_WC)
-			map->virtual = ioremap_wc(bus_base + bus_offset,
-						  bus_size);
+			map->virtual = ioremap_wc(bo->mem.bus.base + bo->mem.bus.offset + offset,
+						  size);
 		else
-			map->virtual = ioremap_nocache(bus_base + bus_offset,
-						       bus_size);
+			map->virtual = ioremap_nocache(bo->mem.bus.base + bo->mem.bus.offset + offset,
+						       size);
 	}
 	return (!map->virtual) ? -ENOMEM : 0;
 }
@@ -442,13 +472,12 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
 		unsigned long start_page, unsigned long num_pages,
 		struct ttm_bo_kmap_obj *map)
 {
+	unsigned long offset, size;
 	int ret;
-	unsigned long bus_base;
-	unsigned long bus_offset;
-	unsigned long bus_size;
 
 	BUG_ON(!list_empty(&bo->swap));
 	map->virtual = NULL;
+	map->bo = bo;
 	if (num_pages > bo->num_pages)
 		return -EINVAL;
 	if (start_page > bo->num_pages)
@@ -457,16 +486,15 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
 	if (num_pages > 1 && !DRM_SUSER(DRM_CURPROC))
 		return -EPERM;
 #endif
-	ret = ttm_bo_pci_offset(bo->bdev, &bo->mem, &bus_base,
-				&bus_offset, &bus_size);
+	ret = ttm_mem_io_reserve(bo->bdev, &bo->mem);
 	if (ret)
 		return ret;
-	if (bus_size == 0) {
+	if (!bo->mem.bus.is_iomem) {
 		return ttm_bo_kmap_ttm(bo, start_page, num_pages, map);
 	} else {
-		bus_offset += start_page << PAGE_SHIFT;
-		bus_size = num_pages << PAGE_SHIFT;
-		return ttm_bo_ioremap(bo, bus_base, bus_offset, bus_size, map);
+		offset = start_page << PAGE_SHIFT;
+		size = num_pages << PAGE_SHIFT;
+		return ttm_bo_ioremap(bo, offset, size, map);
 	}
 }
 EXPORT_SYMBOL(ttm_bo_kmap);
@@ -478,6 +506,7 @@ void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map)
 	switch (map->bo_kmap_type) {
 	case ttm_bo_map_iomap:
 		iounmap(map->virtual);
+		ttm_mem_io_free(map->bo->bdev, &map->bo->mem);
 		break;
 	case ttm_bo_map_vmap:
 		vunmap(map->virtual);
@@ -495,35 +524,6 @@ void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map)
 }
 EXPORT_SYMBOL(ttm_bo_kunmap);
 
-int ttm_bo_pfn_prot(struct ttm_buffer_object *bo,
-		    unsigned long dst_offset,
-		    unsigned long *pfn, pgprot_t *prot)
-{
-	struct ttm_mem_reg *mem = &bo->mem;
-	struct ttm_bo_device *bdev = bo->bdev;
-	unsigned long bus_offset;
-	unsigned long bus_size;
-	unsigned long bus_base;
-	int ret;
-	ret = ttm_bo_pci_offset(bdev, mem, &bus_base, &bus_offset,
-			&bus_size);
-	if (ret)
-		return -EINVAL;
-	if (bus_size != 0)
-		*pfn = (bus_base + bus_offset + dst_offset) >> PAGE_SHIFT;
-	else
-		if (!bo->ttm)
-			return -EINVAL;
-		else
-			*pfn = page_to_pfn(ttm_tt_get_page(bo->ttm,
-							   dst_offset >>
-							   PAGE_SHIFT));
-	*prot = (mem->placement & TTM_PL_FLAG_CACHED) ?
-		PAGE_KERNEL : ttm_io_prot(mem->placement, PAGE_KERNEL);
-
-	return 0;
-}
-
 int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
 			      void *sync_obj,
 			      void *sync_obj_arg,
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 668dbe8b8dd..fe6cb77899f 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -74,9 +74,6 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	struct ttm_buffer_object *bo = (struct ttm_buffer_object *)
 	    vma->vm_private_data;
 	struct ttm_bo_device *bdev = bo->bdev;
-	unsigned long bus_base;
-	unsigned long bus_offset;
-	unsigned long bus_size;
 	unsigned long page_offset;
 	unsigned long page_last;
 	unsigned long pfn;
@@ -84,7 +81,6 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	struct page *page;
 	int ret;
 	int i;
-	bool is_iomem;
 	unsigned long address = (unsigned long)vmf->virtual_address;
 	int retval = VM_FAULT_NOPAGE;
 
@@ -101,8 +97,21 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 		return VM_FAULT_NOPAGE;
 	}
 
-	if (bdev->driver->fault_reserve_notify)
-		bdev->driver->fault_reserve_notify(bo);
+	if (bdev->driver->fault_reserve_notify) {
+		ret = bdev->driver->fault_reserve_notify(bo);
+		switch (ret) {
+		case 0:
+			break;
+		case -EBUSY:
+			set_need_resched();
+		case -ERESTARTSYS:
+			retval = VM_FAULT_NOPAGE;
+			goto out_unlock;
+		default:
+			retval = VM_FAULT_SIGBUS;
+			goto out_unlock;
+		}
+	}
 
 	/*
 	 * Wait for buffer data in transit, due to a pipelined
@@ -122,15 +131,12 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 		spin_unlock(&bo->lock);
 
 
-	ret = ttm_bo_pci_offset(bdev, &bo->mem, &bus_base, &bus_offset,
-				&bus_size);
-	if (unlikely(ret != 0)) {
+	ret = ttm_mem_io_reserve(bdev, &bo->mem);
+	if (ret) {
 		retval = VM_FAULT_SIGBUS;
 		goto out_unlock;
 	}
 
-	is_iomem = (bus_size != 0);
-
 	page_offset = ((address - vma->vm_start) >> PAGE_SHIFT) +
 	    bo->vm_node->start - vma->vm_pgoff;
 	page_last = ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) +
@@ -154,8 +160,7 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	 * vma->vm_page_prot when the object changes caching policy, with
 	 * the correct locks held.
 	 */
-
-	if (is_iomem) {
+	if (bo->mem.bus.is_iomem) {
 		vma->vm_page_prot = ttm_io_prot(bo->mem.placement,
 						vma->vm_page_prot);
 	} else {
@@ -171,10 +176,8 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	 */
 
 	for (i = 0; i < TTM_BO_VM_NUM_PREFAULT; ++i) {
-
-		if (is_iomem)
-			pfn = ((bus_base + bus_offset) >> PAGE_SHIFT) +
-			    page_offset;
+		if (bo->mem.bus.is_iomem)
+			pfn = ((bo->mem.bus.base + bo->mem.bus.offset) >> PAGE_SHIFT) + page_offset;
 		else {
 			page = ttm_tt_get_page(ttm, page_offset);
 			if (unlikely(!page && i == 0)) {
@@ -198,7 +201,6 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 			retval =
 			    (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
 			goto out_unlock;
-
 		}
 
 		address += PAGE_SIZE;
@@ -221,8 +223,7 @@ static void ttm_bo_vm_open(struct vm_area_struct *vma)
 
 static void ttm_bo_vm_close(struct vm_area_struct *vma)
 {
-	struct ttm_buffer_object *bo =
-	    (struct ttm_buffer_object *)vma->vm_private_data;
+	struct ttm_buffer_object *bo = (struct ttm_buffer_object *)vma->vm_private_data;
 
 	ttm_bo_unref(&bo);
 	vma->vm_private_data = NULL;
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 8c8005ec4ea..3e273e0b941 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -66,6 +66,26 @@ struct ttm_placement {
 	const uint32_t	*busy_placement;
 };
 
+/**
+ * struct ttm_bus_placement
+ *
+ * @addr:		mapped virtual address
+ * @base:		bus base address
+ * @is_iomem:		is this io memory ?
+ * @size:		size in byte
+ * @offset:		offset from the base address
+ *
+ * Structure indicating the bus placement of an object.
+ */
+struct ttm_bus_placement {
+	void		*addr;
+	unsigned long	base;
+	unsigned long	size;
+	unsigned long	offset;
+	bool		is_iomem;
+	bool		io_reserved;
+};
+
 
 /**
  * struct ttm_mem_reg
@@ -75,6 +95,7 @@ struct ttm_placement {
  * @num_pages: Actual size of memory region in pages.
  * @page_alignment: Page alignment.
  * @placement: Placement flags.
+ * @bus: Placement on io bus accessible to the CPU
  *
  * Structure indicating the placement and space resources used by a
  * buffer object.
@@ -87,6 +108,7 @@ struct ttm_mem_reg {
 	uint32_t page_alignment;
 	uint32_t mem_type;
 	uint32_t placement;
+	struct ttm_bus_placement bus;
 };
 
 /**
@@ -274,6 +296,7 @@ struct ttm_bo_kmap_obj {
 		ttm_bo_map_kmap         = 3,
 		ttm_bo_map_premapped    = 4 | TTM_BO_MAP_IOMEM_MASK,
 	} bo_kmap_type;
+	struct ttm_buffer_object *bo;
 };
 
 /**
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 69f70e418c2..da39865d67d 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -352,12 +352,21 @@ struct ttm_bo_driver {
 			    struct ttm_mem_reg *new_mem);
 	/* notify the driver we are taking a fault on this BO
 	 * and have reserved it */
-	void (*fault_reserve_notify)(struct ttm_buffer_object *bo);
+	int (*fault_reserve_notify)(struct ttm_buffer_object *bo);
 
 	/**
 	 * notify the driver that we're about to swap out this bo
 	 */
 	void (*swap_notify) (struct ttm_buffer_object *bo);
+
+	/**
+	 * Driver callback on when mapping io memory (for bo_move_memcpy
+	 * for instance). TTM will take care to call io_mem_free whenever
+	 * the mapping is not use anymore. io_mem_reserve & io_mem_free
+	 * are balanced.
+	 */
+	int (*io_mem_reserve)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
+	void (*io_mem_free)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
 };
 
 /**
@@ -685,6 +694,11 @@ extern int ttm_bo_pci_offset(struct ttm_bo_device *bdev,
 			     unsigned long *bus_offset,
 			     unsigned long *bus_size);
 
+extern int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
+				struct ttm_mem_reg *mem);
+extern void ttm_mem_io_free(struct ttm_bo_device *bdev,
+				struct ttm_mem_reg *mem);
+
 extern void ttm_bo_global_release(struct ttm_global_reference *ref);
 extern int ttm_bo_global_init(struct ttm_global_reference *ref);
 

From 0a2d50e3a8faaf36cde36920431586090411ea15 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Fri, 9 Apr 2010 14:39:24 +0200
Subject: [PATCH 0483/3638] drm/radeon/kms: add support for new fault callback
 V7

This add the support for the new fault callback and also the
infrastructure for supporting unmappable VRAM.

V2 validate BO with no_wait = true
V3 don't derefence bo->mem.mm_node as it's not NULL only for
   VRAM or GTT
V4 update to splitted no_wait ttm change
V5 update to new balanced io_mem_reserve/free change
V6 callback is responsible for iomapping memory
V7 move back iomapping to ttm

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_object.c | 26 ++++++++++++-
 drivers/gpu/drm/radeon/radeon_object.h |  2 +-
 drivers/gpu/drm/radeon/radeon_ttm.c    | 51 ++++++++++++++++++++++++--
 3 files changed, 72 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 4b441f87f47..57b3f95c0ef 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -498,11 +498,33 @@ void radeon_bo_move_notify(struct ttm_buffer_object *bo,
 	radeon_bo_check_tiling(rbo, 0, 1);
 }
 
-void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
+int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
 {
+	struct radeon_device *rdev;
 	struct radeon_bo *rbo;
+	unsigned long offset, size;
+	int r;
+
 	if (!radeon_ttm_bo_is_radeon_bo(bo))
-		return;
+		return 0;
 	rbo = container_of(bo, struct radeon_bo, tbo);
 	radeon_bo_check_tiling(rbo, 0, 0);
+	rdev = rbo->rdev;
+	if (bo->mem.mem_type == TTM_PL_VRAM) {
+		size = bo->mem.num_pages << PAGE_SHIFT;
+		offset = bo->mem.mm_node->start << PAGE_SHIFT;
+		if ((offset + size) > rdev->mc.visible_vram_size) {
+			/* hurrah the memory is not visible ! */
+			radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM);
+			rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT;
+			r = ttm_bo_validate(bo, &rbo->placement, false, true, false);
+			if (unlikely(r != 0))
+				return r;
+			offset = bo->mem.mm_node->start << PAGE_SHIFT;
+			/* this should not happen */
+			if ((offset + size) > rdev->mc.visible_vram_size)
+				return -EINVAL;
+		}
+	}
+	return 0;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index 7ab43de1e24..353998dc2c0 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -168,6 +168,6 @@ extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
 				bool force_drop);
 extern void radeon_bo_move_notify(struct ttm_buffer_object *bo,
 					struct ttm_mem_reg *mem);
-extern void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
+extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
 extern int radeon_bo_get_surface_reg(struct radeon_bo *bo);
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index ba4724c38ac..62b4b800e0a 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -165,8 +165,7 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 			man->io_size = rdev->mc.gtt_size;
 			man->io_addr = NULL;
 			if (!rdev->ddev->agp->cant_use_aperture)
-				man->flags = TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
-					     TTM_MEMTYPE_FLAG_MAPPABLE;
+				man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
 			man->available_caching = TTM_PL_FLAG_UNCACHED |
 						 TTM_PL_FLAG_WC;
 			man->default_caching = TTM_PL_FLAG_WC;
@@ -182,7 +181,6 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 		/* "On-card" video ram */
 		man->gpu_offset = rdev->mc.vram_start;
 		man->flags = TTM_MEMTYPE_FLAG_FIXED |
-			     TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
 			     TTM_MEMTYPE_FLAG_MAPPABLE;
 		man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
 		man->default_caching = TTM_PL_FLAG_WC;
@@ -437,10 +435,53 @@ static int radeon_bo_move(struct ttm_buffer_object *bo,
 memcpy:
 		r = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
 	}
-
 	return r;
 }
 
+static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
+	struct radeon_device *rdev = radeon_get_rdev(bdev);
+
+	mem->bus.addr = NULL;
+	mem->bus.offset = 0;
+	mem->bus.size = mem->num_pages << PAGE_SHIFT;
+	mem->bus.base = 0;
+	mem->bus.is_iomem = false;
+	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
+		return -EINVAL;
+	switch (mem->mem_type) {
+	case TTM_PL_SYSTEM:
+		/* system memory */
+		return 0;
+	case TTM_PL_TT:
+#if __OS_HAS_AGP
+		if (rdev->flags & RADEON_IS_AGP) {
+			/* RADEON_IS_AGP is set only if AGP is active */
+			mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+			mem->bus.base = rdev->mc.agp_base;
+			mem->bus.is_iomem = true;
+		}
+#endif
+		break;
+	case TTM_PL_VRAM:
+		mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+		/* check if it's visible */
+		if ((mem->bus.offset + mem->bus.size) > rdev->mc.visible_vram_size)
+			return -EINVAL;
+		mem->bus.base = rdev->mc.aper_base;
+		mem->bus.is_iomem = true;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static void radeon_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+}
+
 static int radeon_sync_obj_wait(void *sync_obj, void *sync_arg,
 				bool lazy, bool interruptible)
 {
@@ -481,6 +522,8 @@ static struct ttm_bo_driver radeon_bo_driver = {
 	.sync_obj_ref = &radeon_sync_obj_ref,
 	.move_notify = &radeon_bo_move_notify,
 	.fault_reserve_notify = &radeon_bo_fault_reserve_notify,
+	.io_mem_reserve = &radeon_ttm_io_mem_reserve,
+	.io_mem_free = &radeon_ttm_io_mem_free,
 };
 
 int radeon_ttm_init(struct radeon_device *rdev)

From f32f02fd81f3177cce0c16cc7d210fcc9cad953c Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Fri, 9 Apr 2010 14:39:25 +0200
Subject: [PATCH 0484/3638] drm/nouveau/kms: add support for new TTM fault
 callback V5

This add the support for the new fault callback, does change anything
from driver point of view, thought it should allow nouveau to add
support for unmappable VRAM.

Improvement: store the aperture base in a variable so that we don't
call a function to get it on each fault.

Patch hasn't been tested on any hw.

V2 don't derefence bo->mem.mm_node as it's not NULL only for
   VRAM or GTT
V3 update after io_mem_reserve/io_mem_free callback balancing
V4 callback has to ioremap
V5 ioremap is done by ttm

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c | 58 ++++++++++++++++++++++++++--
 1 file changed, 54 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 5a167de895c..288c2ecd937 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -386,8 +386,7 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 		break;
 	case TTM_PL_VRAM:
 		man->flags = TTM_MEMTYPE_FLAG_FIXED |
-			     TTM_MEMTYPE_FLAG_MAPPABLE |
-			     TTM_MEMTYPE_FLAG_NEEDS_IOREMAP;
+			     TTM_MEMTYPE_FLAG_MAPPABLE;
 		man->available_caching = TTM_PL_FLAG_UNCACHED |
 					 TTM_PL_FLAG_WC;
 		man->default_caching = TTM_PL_FLAG_WC;
@@ -403,8 +402,7 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 	case TTM_PL_TT:
 		switch (dev_priv->gart_info.type) {
 		case NOUVEAU_GART_AGP:
-			man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |
-				     TTM_MEMTYPE_FLAG_NEEDS_IOREMAP;
+			man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
 			man->available_caching = TTM_PL_FLAG_UNCACHED;
 			man->default_caching = TTM_PL_FLAG_UNCACHED;
 			break;
@@ -761,6 +759,55 @@ nouveau_bo_verify_access(struct ttm_buffer_object *bo, struct file *filp)
 	return 0;
 }
 
+static int
+nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
+	struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
+	struct drm_device *dev = dev_priv->dev;
+
+	mem->bus.addr = NULL;
+	mem->bus.offset = 0;
+	mem->bus.size = mem->num_pages << PAGE_SHIFT;
+	mem->bus.base = 0;
+	mem->bus.is_iomem = false;
+	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
+		return -EINVAL;
+	switch (mem->mem_type) {
+	case TTM_PL_SYSTEM:
+		/* System memory */
+		return 0;
+	case TTM_PL_TT:
+#if __OS_HAS_AGP
+		if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
+			mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+			mem->bus.base = dev_priv->gart_info.aper_base;
+			mem->bus.is_iomem = true;
+		}
+#endif
+		break;
+	case TTM_PL_VRAM:
+		mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+		mem->bus.base = drm_get_resource_start(dev, 1);
+		mem->bus.is_iomem = true;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static void
+nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+}
+
+static int
+nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
+{
+	return 0;
+}
+
 struct ttm_bo_driver nouveau_bo_driver = {
 	.create_ttm_backend_entry = nouveau_bo_create_ttm_backend_entry,
 	.invalidate_caches = nouveau_bo_invalidate_caches,
@@ -773,5 +820,8 @@ struct ttm_bo_driver nouveau_bo_driver = {
 	.sync_obj_flush = nouveau_fence_flush,
 	.sync_obj_unref = nouveau_fence_unref,
 	.sync_obj_ref = nouveau_fence_ref,
+	.fault_reserve_notify = &nouveau_ttm_fault_reserve_notify,
+	.io_mem_reserve = &nouveau_ttm_io_mem_reserve,
+	.io_mem_free = &nouveau_ttm_io_mem_free,
 };
 

From 96bf8b8778976a6e6a4fe4e6e0421d8ed7892798 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Fri, 9 Apr 2010 14:39:26 +0200
Subject: [PATCH 0485/3638] drm/vmwgfx: add support for new TTM fault callback
 V5

This add the support for the new fault callback, does change anything
from driver point of view.

Improvement: store the aperture base in a variable so that we don't
call a function to get it on each fault.

Patch hasn't been tested.

V2 don't derefence bo->mem.mm_node as it's not NULL only for
   VRAM or GTT
V3 update after io_mem_reserve/io_mem_free callback balancing
V4 callback has to ioremap
V5 ioremap is done by TTM

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c | 44 ++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 825ebe3d89d..f3558968fdf 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -153,8 +153,7 @@ int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 		man->gpu_offset = 0;
 		man->io_offset = dev_priv->vram_start;
 		man->io_size = dev_priv->vram_size;
-		man->flags = TTM_MEMTYPE_FLAG_FIXED |
-		    TTM_MEMTYPE_FLAG_NEEDS_IOREMAP | TTM_MEMTYPE_FLAG_MAPPABLE;
+		man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE;
 		man->io_addr = NULL;
 		man->available_caching = TTM_PL_MASK_CACHING;
 		man->default_caching = TTM_PL_FLAG_WC;
@@ -193,6 +192,42 @@ static void vmw_swap_notify(struct ttm_buffer_object *bo)
 	vmw_dmabuf_gmr_unbind(bo);
 }
 
+static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
+	struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);
+
+	mem->bus.addr = NULL;
+	mem->bus.is_iomem = false;
+	mem->bus.offset = 0;
+	mem->bus.size = mem->num_pages << PAGE_SHIFT;
+	mem->bus.base = 0;
+	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
+		return -EINVAL;
+	switch (mem->mem_type) {
+	case TTM_PL_SYSTEM:
+		/* System memory */
+		return 0;
+	case TTM_PL_VRAM:
+		mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+		mem->bus.base = dev_priv->vram_start;
+		mem->bus.is_iomem = true;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static void vmw_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+}
+
+static int vmw_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
+{
+	return 0;
+}
+
 /**
  * FIXME: We're using the old vmware polling method to sync.
  * Do this with fences instead.
@@ -248,5 +283,8 @@ struct ttm_bo_driver vmw_bo_driver = {
 	.sync_obj_unref = vmw_sync_obj_unref,
 	.sync_obj_ref = vmw_sync_obj_ref,
 	.move_notify = vmw_move_notify,
-	.swap_notify = vmw_swap_notify
+	.swap_notify = vmw_swap_notify,
+	.fault_reserve_notify = &vmw_ttm_fault_reserve_notify,
+	.io_mem_reserve = &vmw_ttm_io_mem_reserve,
+	.io_mem_free = &vmw_ttm_io_mem_free,
 };

From 0c321c79627189204d7d0bf65ab19f5ac419abed Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Wed, 7 Apr 2010 10:21:27 +0000
Subject: [PATCH 0486/3638] drm/ttm: remove io_ field from TTM V6

All TTM driver have been converted to new io_mem_reserve/free
interface which allow driver to choose and return proper io
base, offset to core TTM for ioremapping if necessary. This
patch remove what is now deadcode.

V2 adapt to match with change in first patch of the patchset
V3 update after io_mem_reserve/io_mem_free callback balancing
V4 adjust to minor cleanup
V5 remove the needs ioremap flag
V6 keep the ioremapping facility in TTM

[airlied- squashed driver removals in here also]

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c   | 11 -----------
 drivers/gpu/drm/radeon/radeon_ttm.c    | 13 +------------
 drivers/gpu/drm/ttm/ttm_bo.c           | 22 ----------------------
 drivers/gpu/drm/ttm/ttm_bo_util.c      | 19 ++++---------------
 drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c |  6 ------
 include/drm/ttm/ttm_bo_driver.h        | 12 ------------
 6 files changed, 5 insertions(+), 78 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 288c2ecd937..34be1924218 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -390,13 +390,6 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 		man->available_caching = TTM_PL_FLAG_UNCACHED |
 					 TTM_PL_FLAG_WC;
 		man->default_caching = TTM_PL_FLAG_WC;
-
-		man->io_addr = NULL;
-		man->io_offset = drm_get_resource_start(dev, 1);
-		man->io_size = drm_get_resource_len(dev, 1);
-		if (man->io_size > nouveau_mem_fb_amount(dev))
-			man->io_size = nouveau_mem_fb_amount(dev);
-
 		man->gpu_offset = dev_priv->vm_vram_base;
 		break;
 	case TTM_PL_TT:
@@ -417,10 +410,6 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 				 dev_priv->gart_info.type);
 			return -EINVAL;
 		}
-
-		man->io_offset  = dev_priv->gart_info.aper_base;
-		man->io_size    = dev_priv->gart_info.aper_size;
-		man->io_addr   = NULL;
 		man->gpu_offset = dev_priv->vm_gart_base;
 		break;
 	default:
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 62b4b800e0a..91030eab22b 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -161,21 +161,13 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 					  (unsigned)type);
 				return -EINVAL;
 			}
-			man->io_offset = rdev->mc.agp_base;
-			man->io_size = rdev->mc.gtt_size;
-			man->io_addr = NULL;
 			if (!rdev->ddev->agp->cant_use_aperture)
 				man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
 			man->available_caching = TTM_PL_FLAG_UNCACHED |
 						 TTM_PL_FLAG_WC;
 			man->default_caching = TTM_PL_FLAG_WC;
-		} else
-#endif
-		{
-			man->io_offset = 0;
-			man->io_size = 0;
-			man->io_addr = NULL;
 		}
+#endif
 		break;
 	case TTM_PL_VRAM:
 		/* "On-card" video ram */
@@ -184,9 +176,6 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 			     TTM_MEMTYPE_FLAG_MAPPABLE;
 		man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
 		man->default_caching = TTM_PL_FLAG_WC;
-		man->io_addr = NULL;
-		man->io_offset = rdev->mc.aper_base;
-		man->io_size = rdev->mc.aper_size;
 		break;
 	default:
 		DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index b42e3fae1bd..3b5b094b139 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -79,8 +79,6 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
 	printk(KERN_ERR TTM_PFX "    use_type: %d\n", man->use_type);
 	printk(KERN_ERR TTM_PFX "    flags: 0x%08X\n", man->flags);
 	printk(KERN_ERR TTM_PFX "    gpu_offset: 0x%08lX\n", man->gpu_offset);
-	printk(KERN_ERR TTM_PFX "    io_offset: 0x%08lX\n", man->io_offset);
-	printk(KERN_ERR TTM_PFX "    io_size: %ld\n", man->io_size);
 	printk(KERN_ERR TTM_PFX "    size: %llu\n", man->size);
 	printk(KERN_ERR TTM_PFX "    available_caching: 0x%08X\n",
 		man->available_caching);
@@ -1563,26 +1561,6 @@ bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
 	return true;
 }
 
-int ttm_bo_pci_offset(struct ttm_bo_device *bdev,
-		      struct ttm_mem_reg *mem,
-		      unsigned long *bus_base,
-		      unsigned long *bus_offset, unsigned long *bus_size)
-{
-	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
-
-	*bus_size = 0;
-	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
-		return -EINVAL;
-
-	if (ttm_mem_reg_is_pci(bdev, mem)) {
-		*bus_offset = mem->mm_node->start << PAGE_SHIFT;
-		*bus_size = mem->num_pages << PAGE_SHIFT;
-		*bus_base = man->io_offset + (uintptr_t)man->io_addr;
-	}
-
-	return 0;
-}
-
 void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo)
 {
 	struct ttm_bo_device *bdev = bo->bdev;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index d58eeb5ed22..333b401ca4c 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -83,24 +83,13 @@ EXPORT_SYMBOL(ttm_bo_move_ttm);
 
 int ttm_mem_io_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
 {
-	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
 	int ret;
 
-	if (bdev->driver->io_mem_reserve) {
-		if (!mem->bus.io_reserved) {
-			mem->bus.io_reserved = true;
-			ret = bdev->driver->io_mem_reserve(bdev, mem);
-			if (unlikely(ret != 0))
-				return ret;
-		}
-	} else {
-		ret = ttm_bo_pci_offset(bdev, mem, &mem->bus.base, &mem->bus.offset, &mem->bus.size);
+	if (!mem->bus.io_reserved) {
+		mem->bus.io_reserved = true;
+		ret = bdev->driver->io_mem_reserve(bdev, mem);
 		if (unlikely(ret != 0))
 			return ret;
-		mem->bus.addr = NULL;
-		if (!(man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP))
-			mem->bus.addr = (void *)(((u8 *)man->io_addr) + mem->bus.offset);
-		mem->bus.is_iomem = (mem->bus.size > 0) ? 1 : 0;
 	}
 	return 0;
 }
@@ -149,7 +138,7 @@ void ttm_mem_reg_iounmap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem,
 
 	man = &bdev->man[mem->mem_type];
 
-	if (virtual && (man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP || mem->bus.addr == NULL))
+	if (virtual && mem->bus.addr == NULL)
 		iounmap(virtual);
 	ttm_mem_io_free(bdev, mem);
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index f3558968fdf..c4f5114aee7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -137,9 +137,6 @@ int vmw_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
 int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 		      struct ttm_mem_type_manager *man)
 {
-	struct vmw_private *dev_priv =
-	    container_of(bdev, struct vmw_private, bdev);
-
 	switch (type) {
 	case TTM_PL_SYSTEM:
 		/* System memory */
@@ -151,10 +148,7 @@ int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 	case TTM_PL_VRAM:
 		/* "On-card" video ram */
 		man->gpu_offset = 0;
-		man->io_offset = dev_priv->vram_start;
-		man->io_size = dev_priv->vram_size;
 		man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE;
-		man->io_addr = NULL;
 		man->available_caching = TTM_PL_MASK_CACHING;
 		man->default_caching = TTM_PL_FLAG_WC;
 		break;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index da39865d67d..7720b1787e2 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -176,8 +176,6 @@ struct ttm_tt {
 
 #define TTM_MEMTYPE_FLAG_FIXED         (1 << 0)	/* Fixed (on-card) PCI memory */
 #define TTM_MEMTYPE_FLAG_MAPPABLE      (1 << 1)	/* Memory mappable */
-#define TTM_MEMTYPE_FLAG_NEEDS_IOREMAP (1 << 2)	/* Fixed memory needs ioremap
-						   before kernel access. */
 #define TTM_MEMTYPE_FLAG_CMA           (1 << 3)	/* Can't map aperture */
 
 /**
@@ -189,13 +187,6 @@ struct ttm_tt {
  * managed by this memory type.
  * @gpu_offset: If used, the GPU offset of the first managed page of
  * fixed memory or the first managed location in an aperture.
- * @io_offset: The io_offset of the first managed page of IO memory or
- * the first managed location in an aperture. For TTM_MEMTYPE_FLAG_CMA
- * memory, this should be set to NULL.
- * @io_size: The size of a managed IO region (fixed memory or aperture).
- * @io_addr: Virtual kernel address if the io region is pre-mapped. For
- * TTM_MEMTYPE_FLAG_NEEDS_IOREMAP there is no pre-mapped io map and
- * @io_addr should be set to NULL.
  * @size: Size of the managed region.
  * @available_caching: A mask of available caching types, TTM_PL_FLAG_XX,
  * as defined in ttm_placement_common.h
@@ -221,9 +212,6 @@ struct ttm_mem_type_manager {
 	bool use_type;
 	uint32_t flags;
 	unsigned long gpu_offset;
-	unsigned long io_offset;
-	unsigned long io_size;
-	void *io_addr;
 	uint64_t size;
 	uint32_t available_caching;
 	uint32_t default_caching;

From 6b8b1786a8c29ce6e32298b93ac8d4a18a2b11c4 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Wed, 7 Apr 2010 10:21:31 +0000
Subject: [PATCH 0487/3638] drm/radeon/kms: enable use of unmappable VRAM V2

This patch enable the use of unmappable VRAM thanks to
previous TTM infrastructure change.

V2 update after io_mem_reserve/io_mem_free callback balancing

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c | 5 -----
 drivers/gpu/drm/radeon/r100.c      | 5 -----
 drivers/gpu/drm/radeon/r600.c      | 5 -----
 drivers/gpu/drm/radeon/rv770.c     | 5 -----
 4 files changed, 20 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 647a0efdc35..5c7c5c39930 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -475,11 +475,6 @@ int evergreen_mc_init(struct radeon_device *rdev)
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
-	/* FIXME remove this once we support unmappable VRAM */
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
-		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-		rdev->mc.real_vram_size = rdev->mc.aper_size;
-	}
 	r600_vram_gtt_location(rdev, &rdev->mc);
 	radeon_update_bandwidth_info(rdev);
 
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 3ae51ada1ab..3ce549706c2 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2001,11 +2001,6 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
 		else
 			rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 	}
-	/* FIXME remove this once we support unmappable VRAM */
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
-		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-		rdev->mc.real_vram_size = rdev->mc.aper_size;
-	}
 }
 
 void r100_vga_set_state(struct radeon_device *rdev, bool state)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 5509354c7c8..dce41b167f8 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -713,11 +713,6 @@ int r600_mc_init(struct radeon_device *rdev)
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
-	/* FIXME remove this once we support unmappable VRAM */
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
-		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-		rdev->mc.real_vram_size = rdev->mc.aper_size;
-	}
 	r600_vram_gtt_location(rdev, &rdev->mc);
 
 	if (rdev->flags & RADEON_IS_IGP)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 9f37d2efb0a..e2089faa959 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -905,11 +905,6 @@ int rv770_mc_init(struct radeon_device *rdev)
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
-	/* FIXME remove this once we support unmappable VRAM */
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
-		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-		rdev->mc.real_vram_size = rdev->mc.aper_size;
-	}
 	r600_vram_gtt_location(rdev, &rdev->mc);
 	radeon_update_bandwidth_info(rdev);
 

From d4b74bf07873da2e94219a7b67a334fc1c3ce649 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 20 Apr 2010 14:25:51 +1000
Subject: [PATCH 0488/3638] Revert "drm/i915: Configure the TV sense state
 correctly on GM45 to make TV detection reliable"

Eric mentioned on irc this patch was bad, so revert it.

This reverts commit fb8b5a39b6310379d7b54c0c7113703a8eaf4a57.

Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/intel_tv.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 081cb901452..6d553c29d10 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1263,15 +1263,6 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_encoder *intel_encoder
 		   DAC_A_0_7_V |
 		   DAC_B_0_7_V |
 		   DAC_C_0_7_V);
-
-	/*
-	 * The TV sense state should be cleared to zero on cantiga platform. Otherwise
-	 * the TV is misdetected. This is hardware requirement.
-	 */
-	if (IS_GM45(dev))
-		tv_dac &= ~(TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL |
-			    TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL);
-
 	I915_WRITE(TV_CTL, tv_ctl);
 	I915_WRITE(TV_DAC, tv_dac);
 	intel_wait_for_vblank(dev);

From 10fd883ce384706f88554a0b08cc4d63345e7d8b Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 20 Apr 2010 16:34:20 +1000
Subject: [PATCH 0489/3638] agp/intel: put back check that we have a driver for
 the bridge.

On my 945 laptop + radeon GPU, I was getting an oops on boot without this
check which seems to have gotten dropped in the rework.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/char/agp/intel-agp.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 07a9aad28c1..034644eeedf 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -885,6 +885,14 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 		return -ENODEV;
 	}
 
+	if (!bridge->driver) {
+		if (cap_ptr)
+			dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n",
+			    	 intel_agp_chipsets[i].gmch_chip_id);
+		agp_put_bridge(bridge);
+		return -ENODEV;
+	}
+
 	bridge->dev = pdev;
 	bridge->dev_private_data = NULL;
 

From 1ca5d2f0196cfca678086fa6f88eec4f9d0307ee Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Fri, 2 Apr 2010 17:46:30 -0500
Subject: [PATCH 0490/3638] mtd/maps/physmap: catch failure to register
 MTD_PHYSMAP_COMPAT device

If the default Kconfig values are used with MTD_PHYSMAP_COMPAT you end
up with a resource where end < start.  This causes __request_resource to
return a conflict which then returns an -EBUSY error code.  The current
physmap.c code just assumes that the platfom_device_register will always
succeed.

Catch this failure during the physmap_init and propogate the error.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/physmap.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index d9603f7f965..426461a5f0d 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -264,8 +264,11 @@ static int __init physmap_init(void)
 
 	err = platform_driver_register(&physmap_flash_driver);
 #ifdef CONFIG_MTD_PHYSMAP_COMPAT
-	if (err == 0)
-		platform_device_register(&physmap_flash);
+	if (err == 0) {
+		err = platform_device_register(&physmap_flash);
+		if (err)
+			platform_driver_unregister(&physmap_flash_driver);
+	}
 #endif
 
 	return err;

From 2d2ef822758e3f5da59c40a392d0c6d89394d4b4 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon, 26 Oct 2009 13:06:31 -0700
Subject: [PATCH 0491/3638] drm: add initial DRM developer documentation

Add a DRM DocBook providing basic information about DRM interfaces, including
TTM, GEM, KMS and vblank infrastructure.  Intended to provide information to
new and existing developers about how to perform driver initialization,
implement mode setting and other DRM features.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 Documentation/DocBook/Makefile |   2 +-
 Documentation/DocBook/drm.tmpl | 839 +++++++++++++++++++++++++++++++++
 2 files changed, 840 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/DocBook/drm.tmpl

diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile
index 325cfd1d6d9..c7e5dc7e8cb 100644
--- a/Documentation/DocBook/Makefile
+++ b/Documentation/DocBook/Makefile
@@ -14,7 +14,7 @@ DOCBOOKS := z8530book.xml mcabook.xml device-drivers.xml \
 	    genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \
 	    mac80211.xml debugobjects.xml sh.xml regulator.xml \
 	    alsa-driver-api.xml writing-an-alsa-driver.xml \
-	    tracepoint.xml media.xml
+	    tracepoint.xml media.xml drm.xml
 
 ###
 # The build process is as follows (targets):
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
new file mode 100644
index 00000000000..7583dc7cf64
--- /dev/null
+++ b/Documentation/DocBook/drm.tmpl
@@ -0,0 +1,839 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
+	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
+
+<book id="drmDevelopersGuide">
+  <bookinfo>
+    <title>Linux DRM Developer's Guide</title>
+
+    <copyright>
+      <year>2008-2009</year>
+      <holder>
+	Intel Corporation (Jesse Barnes &lt;jesse.barnes@intel.com&gt;)
+      </holder>
+    </copyright>
+
+    <legalnotice>
+      <para>
+	The contents of this file may be used under the terms of the GNU
+	General Public License version 2 (the "GPL") as distributed in
+	the kernel source COPYING file.
+      </para>
+    </legalnotice>
+  </bookinfo>
+
+<toc></toc>
+
+  <!-- Introduction -->
+
+  <chapter id="drmIntroduction">
+    <title>Introduction</title>
+    <para>
+      The Linux DRM layer contains code intended to support the needs
+      of complex graphics devices, usually containing programmable
+      pipelines well suited to 3D graphics acceleration.  Graphics
+      drivers in the kernel can make use of DRM functions to make
+      tasks like memory management, interrupt handling and DMA easier,
+      and provide a uniform interface to applications.
+    </para>
+    <para>
+      A note on versions: this guide covers features found in the DRM
+      tree, including the TTM memory manager, output configuration and
+      mode setting, and the new vblank internals, in addition to all
+      the regular features found in current kernels.
+    </para>
+    <para>
+      [Insert diagram of typical DRM stack here]
+    </para>
+  </chapter>
+
+  <!-- Internals -->
+
+  <chapter id="drmInternals">
+    <title>DRM Internals</title>
+    <para>
+      This chapter documents DRM internals relevant to driver authors
+      and developers working to add support for the latest features to
+      existing drivers.
+    </para>
+    <para>
+      First, we'll go over some typical driver initialization
+      requirements, like setting up command buffers, creating an
+      initial output configuration, and initializing core services.
+      Subsequent sections will cover core internals in more detail,
+      providing implementation notes and examples.
+    </para>
+    <para>
+      The DRM layer provides several services to graphics drivers,
+      many of them driven by the application interfaces it provides
+      through libdrm, the library that wraps most of the DRM ioctls.
+      These include vblank event handling, memory
+      management, output management, framebuffer management, command
+      submission &amp; fencing, suspend/resume support, and DMA
+      services.
+    </para>
+    <para>
+      The core of every DRM driver is struct drm_device.  Drivers
+      will typically statically initialize a drm_device structure,
+      then pass it to drm_init() at load time.
+    </para>
+
+  <!-- Internals: driver init -->
+
+  <sect1>
+    <title>Driver initialization</title>
+    <para>
+      Before calling the DRM initialization routines, the driver must
+      first create and fill out a struct drm_device structure.
+    </para>
+    <programlisting>
+      static struct drm_driver driver = {
+	/* don't use mtrr's here, the Xserver or user space app should
+	 * deal with them for intel hardware.
+	 */
+	.driver_features =
+	    DRIVER_USE_AGP | DRIVER_REQUIRE_AGP |
+	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_MODESET,
+	.load = i915_driver_load,
+	.unload = i915_driver_unload,
+	.firstopen = i915_driver_firstopen,
+	.lastclose = i915_driver_lastclose,
+	.preclose = i915_driver_preclose,
+	.save = i915_save,
+	.restore = i915_restore,
+	.device_is_agp = i915_driver_device_is_agp,
+	.get_vblank_counter = i915_get_vblank_counter,
+	.enable_vblank = i915_enable_vblank,
+	.disable_vblank = i915_disable_vblank,
+	.irq_preinstall = i915_driver_irq_preinstall,
+	.irq_postinstall = i915_driver_irq_postinstall,
+	.irq_uninstall = i915_driver_irq_uninstall,
+	.irq_handler = i915_driver_irq_handler,
+	.reclaim_buffers = drm_core_reclaim_buffers,
+	.get_map_ofs = drm_core_get_map_ofs,
+	.get_reg_ofs = drm_core_get_reg_ofs,
+	.fb_probe = intelfb_probe,
+	.fb_remove = intelfb_remove,
+	.fb_resize = intelfb_resize,
+	.master_create = i915_master_create,
+	.master_destroy = i915_master_destroy,
+#if defined(CONFIG_DEBUG_FS)
+	.debugfs_init = i915_debugfs_init,
+	.debugfs_cleanup = i915_debugfs_cleanup,
+#endif
+	.gem_init_object = i915_gem_init_object,
+	.gem_free_object = i915_gem_free_object,
+	.gem_vm_ops = &amp;i915_gem_vm_ops,
+	.ioctls = i915_ioctls,
+	.fops = {
+		.owner = THIS_MODULE,
+		.open = drm_open,
+		.release = drm_release,
+		.ioctl = drm_ioctl,
+		.mmap = drm_mmap,
+		.poll = drm_poll,
+		.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+		.compat_ioctl = i915_compat_ioctl,
+#endif
+		},
+	.pci_driver = {
+		.name = DRIVER_NAME,
+		.id_table = pciidlist,
+		.probe = probe,
+		.remove = __devexit_p(drm_cleanup_pci),
+		},
+	.name = DRIVER_NAME,
+	.desc = DRIVER_DESC,
+	.date = DRIVER_DATE,
+	.major = DRIVER_MAJOR,
+	.minor = DRIVER_MINOR,
+	.patchlevel = DRIVER_PATCHLEVEL,
+      };
+    </programlisting>
+    <para>
+      In the example above, taken from the i915 DRM driver, the driver
+      sets several flags indicating what core features it supports.
+      We'll go over the individual callbacks in later sections.  Since
+      flags indicate which features your driver supports to the DRM
+      core, you need to set most of them prior to calling drm_init().  Some,
+      like DRIVER_MODESET can be set later based on user supplied parameters,
+      but that's the exception rather than the rule.
+    </para>
+    <variablelist>
+      <title>Driver flags</title>
+      <varlistentry>
+	<term>DRIVER_USE_AGP</term>
+	<listitem><para>
+	    Driver uses AGP interface
+	</para></listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_REQUIRE_AGP</term>
+	<listitem><para>
+	    Driver needs AGP interface to function.
+	</para></listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_USE_MTRR</term>
+	<listitem>
+	  <para>
+	    Driver uses MTRR interface for mapping memory.  Deprecated.
+	  </para>
+	</listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_PCI_DMA</term>
+	<listitem><para>
+	    Driver is capable of PCI DMA.  Deprecated.
+	</para></listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_SG</term>
+	<listitem><para>
+	    Driver can perform scatter/gather DMA.  Deprecated.
+	</para></listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_HAVE_DMA</term>
+	<listitem><para>Driver supports DMA.  Deprecated.</para></listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_HAVE_IRQ</term><term>DRIVER_IRQ_SHARED</term>
+	<listitem>
+	  <para>
+	    DRIVER_HAVE_IRQ indicates whether the driver has a IRQ
+	    handler, DRIVER_IRQ_SHARED indicates whether the device &amp;
+	    handler support shared IRQs (note that this is required of
+	    PCI drivers).
+	  </para>
+	</listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_DMA_QUEUE</term>
+	<listitem>
+	  <para>
+	    If the driver queues DMA requests and completes them
+	    asynchronously, this flag should be set.  Deprecated.
+	  </para>
+	</listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_FB_DMA</term>
+	<listitem>
+	  <para>
+	    Driver supports DMA to/from the framebuffer.  Deprecated.
+	  </para>
+	</listitem>
+      </varlistentry>
+      <varlistentry>
+	<term>DRIVER_MODESET</term>
+	<listitem>
+	  <para>
+	    Driver supports mode setting interfaces.
+	  </para>
+	</listitem>
+      </varlistentry>
+    </variablelist>
+    <para>
+      In this specific case, the driver requires AGP and supports
+      IRQs.  DMA, as we'll see, is handled by device specific ioctls
+      in this case.  It also supports the kernel mode setting APIs, though
+      unlike in the actual i915 driver source, this example unconditionally
+      exports KMS capability.
+    </para>
+  </sect1>
+
+  <!-- Internals: driver load -->
+
+  <sect1>
+    <title>Driver load</title>
+    <para>
+      In the previous section, we saw what a typical drm_driver
+      structure might look like.  One of the more important fields in
+      the structure is the hook for the load function.
+    </para>
+    <programlisting>
+      static struct drm_driver driver = {
+      	...
+      	.load = i915_driver_load,
+        ...
+      };
+    </programlisting>
+    <para>
+      The load function has many responsibilities: allocating a driver
+      private structure, specifying supported performance counters,
+      configuring the device (e.g. mapping registers &amp; command
+      buffers), initializing the memory manager, and setting up the
+      initial output configuration.
+    </para>
+    <para>
+      Note that the tasks performed at driver load time must not
+      conflict with DRM client requirements.  For instance, if user
+      level mode setting drivers are in use, it would be problematic
+      to perform output discovery &amp; configuration at load time.
+      Likewise, if pre-memory management aware user level drivers are
+      in use, memory management and command buffer setup may need to
+      be omitted.  These requirements are driver specific, and care
+      needs to be taken to keep both old and new applications and
+      libraries working.  The i915 driver supports the "modeset"
+      module parameter to control whether advanced features are
+      enabled at load time or in legacy fashion.  If compatibility is
+      a concern (e.g. with drivers converted over to the new interfaces
+      from the old ones), care must be taken to prevent incompatible
+      device initialization and control with the currently active
+      userspace drivers.
+    </para>
+
+    <sect2>
+      <title>Driver private &amp; performance counters</title>
+      <para>
+	The driver private hangs off the main drm_device structure and
+	can be used for tracking various device specific bits of
+	information, like register offsets, command buffer status,
+	register state for suspend/resume, etc.  At load time, a
+	driver can simply allocate one and set drm_device.dev_priv
+	appropriately; at unload the driver can free it and set
+	drm_device.dev_priv to NULL.
+      </para>
+      <para>
+	The DRM supports several counters which can be used for rough
+	performance characterization.  Note that the DRM stat counter
+	system is not often used by applications, and supporting
+	additional counters is completely optional.
+      </para>
+      <para>
+	These interfaces are deprecated and should not be used.  If performance
+	monitoring is desired, the developer should investigate and
+	potentially enhance the kernel perf and tracing infrastructure to export
+	GPU related performance information to performance monitoring
+	tools and applications.
+      </para>
+    </sect2>
+
+    <sect2>
+      <title>Configuring the device</title>
+      <para>
+	Obviously, device configuration will be device specific.
+	However, there are several common operations: finding a
+	device's PCI resources, mapping them, and potentially setting
+	up an IRQ handler.
+      </para>
+      <para>
+	Finding &amp; mapping resources is fairly straightforward.  The
+	DRM wrapper functions, drm_get_resource_start() and
+	drm_get_resource_len() can be used to find BARs on the given
+	drm_device struct.  Once those values have been retrieved, the
+	driver load function can call drm_addmap() to create a new
+	mapping for the BAR in question.  Note you'll probably want a
+	drm_local_map_t in your driver private structure to track any
+	mappings you create.
+<!-- !Fdrivers/gpu/drm/drm_bufs.c drm_get_resource_* -->
+<!-- !Finclude/drm/drmP.h drm_local_map_t -->
+      </para>
+      <para>
+	if compatibility with other operating systems isn't a concern
+	(DRM drivers can run under various BSD variants and OpenSolaris),
+	native Linux calls can be used for the above, e.g. pci_resource_*
+	and iomap*/iounmap.  See the Linux device driver book for more
+	info.
+      </para>
+      <para>
+	Once you have a register map, you can use the DRM_READn() and
+	DRM_WRITEn() macros to access the registers on your device, or
+	use driver specific versions to offset into your MMIO space
+	relative to a driver specific base pointer (see I915_READ for
+	example).
+      </para>
+      <para>
+	If your device supports interrupt generation, you may want to
+	setup an interrupt handler at driver load time as well.  This
+	is done using the drm_irq_install() function.  If your device
+	supports vertical blank interrupts, it should call
+	drm_vblank_init() to initialize the core vblank handling code before
+	enabling interrupts on your device.  This ensures the vblank related
+	structures are allocated and allows the core to handle vblank events.
+      </para>
+<!--!Fdrivers/char/drm/drm_irq.c drm_irq_install-->
+      <para>
+	Once your interrupt handler is registered (it'll use your
+	drm_driver.irq_handler as the actual interrupt handling
+	function), you can safely enable interrupts on your device,
+	assuming any other state your interrupt handler uses is also
+	initialized.
+      </para>
+      <para>
+	Another task that may be necessary during configuration is
+	mapping the video BIOS.  On many devices, the VBIOS describes
+	device configuration, LCD panel timings (if any), and contains
+	flags indicating device state.  Mapping the BIOS can be done
+	using the pci_map_rom() call, a convenience function that
+	takes care of mapping the actual ROM, whether it has been
+	shadowed into memory (typically at address 0xc0000) or exists
+	on the PCI device in the ROM BAR.  Note that once you've
+	mapped the ROM and extracted any necessary information, be
+	sure to unmap it; on many devices the ROM address decoder is
+	shared with other BARs, so leaving it mapped can cause
+	undesired behavior like hangs or memory corruption.
+<!--!Fdrivers/pci/rom.c pci_map_rom-->
+      </para>
+    </sect2>
+
+    <sect2>
+      <title>Memory manager initialization</title>
+      <para>
+	In order to allocate command buffers, cursor memory, scanout
+	buffers, etc., as well as support the latest features provided
+	by packages like Mesa and the X.Org X server, your driver
+	should support a memory manager.
+      </para>
+      <para>
+	If your driver supports memory management (it should!), you'll
+	need to set that up at load time as well.  How you intialize
+	it depends on which memory manager you're using, TTM or GEM.
+      </para>
+      <sect3>
+	<title>TTM initialization</title>
+	<para>
+	  TTM (for Translation Table Manager) manages video memory and
+	  aperture space for graphics devices. TTM supports both UMA devices
+	  and devices with dedicated video RAM (VRAM), i.e. most discrete
+	  graphics devices.  If your device has dedicated RAM, supporting
+	  TTM is desireable.  TTM also integrates tightly with your
+	  driver specific buffer execution function.  See the radeon
+	  driver for examples.
+	</para>
+	<para>
+	  The core TTM structure is the ttm_bo_driver struct.  It contains
+	  several fields with function pointers for initializing the TTM,
+	  allocating and freeing memory, waiting for command completion
+	  and fence synchronization, and memory migration.  See the
+	  radeon_ttm.c file for an example of usage.
+	</para>
+	<para>
+	  The ttm_global_reference structure is made up of several fields:
+	</para>
+	<programlisting>
+	  struct ttm_global_reference {
+	  	enum ttm_global_types global_type;
+	  	size_t size;
+	  	void *object;
+	  	int (*init) (struct ttm_global_reference *);
+	  	void (*release) (struct ttm_global_reference *);
+	  };
+	</programlisting>
+	<para>
+	  There should be one global reference structure for your memory
+	  manager as a whole, and there will be others for each object
+	  created by the memory manager at runtime.  Your global TTM should
+	  have a type of TTM_GLOBAL_TTM_MEM.  The size field for the global
+	  object should be sizeof(struct ttm_mem_global), and the init and
+	  release hooks should point at your driver specific init and
+	  release routines, which will probably eventually call
+	  ttm_mem_global_init and ttm_mem_global_release respectively.
+	</para>
+	<para>
+	  Once your global TTM accounting structure is set up and initialized
+	  (done by calling ttm_global_item_ref on the global object you
+	  just created), you'll need to create a buffer object TTM to
+	  provide a pool for buffer object allocation by clients and the
+	  kernel itself.  The type of this object should be TTM_GLOBAL_TTM_BO,
+	  and its size should be sizeof(struct ttm_bo_global).  Again,
+	  driver specific init and release functions can be provided,
+	  likely eventually calling ttm_bo_global_init and
+	  ttm_bo_global_release, respectively.  Also like the previous
+	  object, ttm_global_item_ref is used to create an initial reference
+	  count for the TTM, which will call your initalization function.
+	</para>
+      </sect3>
+      <sect3>
+	<title>GEM initialization</title>
+	<para>
+	  GEM is an alternative to TTM, designed specifically for UMA
+	  devices.  It has simpler initialization and execution requirements
+	  than TTM, but has no VRAM management capability.  Core GEM
+	  initialization is comprised of a basic drm_mm_init call to create
+	  a GTT DRM MM object, which provides an address space pool for
+	  object allocation.  In a KMS configuration, the driver will
+	  need to allocate and initialize a command ring buffer following
+	  basic GEM initialization.  Most UMA devices have a so-called
+	  "stolen" memory region, which provides space for the initial
+	  framebuffer and large, contiguous memory regions required by the
+	  device.  This space is not typically managed by GEM, and must
+	  be initialized separately into its own DRM MM object.
+	</para>
+	<para>
+	  Initialization will be driver specific, and will depend on
+	  the architecture of the device.  In the case of Intel
+	  integrated graphics chips like 965GM, GEM initialization can
+	  be done by calling the internal GEM init function,
+	  i915_gem_do_init().  Since the 965GM is a UMA device
+	  (i.e. it doesn't have dedicated VRAM), GEM will manage
+	  making regular RAM available for GPU operations.  Memory set
+	  aside by the BIOS (called "stolen" memory by the i915
+	  driver) will be managed by the DRM memrange allocator; the
+	  rest of the aperture will be managed by GEM.
+	  <programlisting>
+	    /* Basic memrange allocator for stolen space (aka vram) */
+	    drm_memrange_init(&amp;dev_priv->vram, 0, prealloc_size);
+	    /* Let GEM Manage from end of prealloc space to end of aperture */
+	    i915_gem_do_init(dev, prealloc_size, agp_size);
+	  </programlisting>
+<!--!Edrivers/char/drm/drm_memrange.c-->
+	</para>
+	<para>
+	  Once the memory manager has been set up, we can allocate the
+	  command buffer.  In the i915 case, this is also done with a
+	  GEM function, i915_gem_init_ringbuffer().
+	</para>
+      </sect3>
+    </sect2>
+
+    <sect2>
+      <title>Output configuration</title>
+      <para>
+	The final initialization task is output configuration.  This involves
+	finding and initializing the CRTCs, encoders and connectors
+	for your device, creating an initial configuration and
+	registering a framebuffer console driver.
+      </para>
+      <sect3>
+	<title>Output discovery and initialization</title>
+	<para>
+	  Several core functions exist to create CRTCs, encoders and
+	  connectors, namely drm_crtc_init(), drm_connector_init() and
+	  drm_encoder_init(), along with several "helper" functions to
+	  perform common tasks.
+	</para>
+	<para>
+	  Connectors should be registered with sysfs once they've been
+	  detected and initialized, using the
+	  drm_sysfs_connector_add() function.  Likewise, when they're
+	  removed from the system, they should be destroyed with
+	  drm_sysfs_connector_remove().
+	</para>
+	<programlisting>
+<![CDATA[
+void intel_crt_init(struct drm_device *dev)
+{
+	struct drm_connector *connector;
+	struct intel_output *intel_output;
+
+	intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
+	if (!intel_output)
+		return;
+
+	connector = &intel_output->base;
+	drm_connector_init(dev, &intel_output->base,
+			   &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
+
+	drm_encoder_init(dev, &intel_output->enc, &intel_crt_enc_funcs,
+			 DRM_MODE_ENCODER_DAC);
+
+	drm_mode_connector_attach_encoder(&intel_output->base,
+					  &intel_output->enc);
+
+	/* Set up the DDC bus. */
+	intel_output->ddc_bus = intel_i2c_create(dev, GPIOA, "CRTDDC_A");
+	if (!intel_output->ddc_bus) {
+		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
+			   "failed.\n");
+		return;
+	}
+
+	intel_output->type = INTEL_OUTPUT_ANALOG;
+	connector->interlace_allowed = 0;
+	connector->doublescan_allowed = 0;
+
+	drm_encoder_helper_add(&intel_output->enc, &intel_crt_helper_funcs);
+	drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
+
+	drm_sysfs_connector_add(connector);
+}
+]]>
+	</programlisting>
+	<para>
+	  In the example above (again, taken from the i915 driver), a
+	  CRT connector and encoder combination is created.  A device
+	  specific i2c bus is also created, for fetching EDID data and
+	  performing monitor detection.  Once the process is complete,
+	  the new connector is regsitered with sysfs, to make its
+	  properties available to applications.
+	</para>
+	<sect4>
+	  <title>Helper functions and core functions</title>
+	  <para>
+	    Since many PC-class graphics devices have similar display output
+	    designs, the DRM provides a set of helper functions to make
+	    output management easier.  The core helper routines handle
+	    encoder re-routing and disabling of unused functions following
+	    mode set.  Using the helpers is optional, but recommended for
+	    devices with PC-style architectures (i.e. a set of display planes
+	    for feeding pixels to encoders which are in turn routed to
+	    connectors).  Devices with more complex requirements needing
+	    finer grained management can opt to use the core callbacks
+	    directly.
+	  </para>
+	  <para>
+	    [Insert typical diagram here.]  [Insert OMAP style config here.]
+	  </para>
+	</sect4>
+	<para>
+	  For each encoder, CRTC and connector, several functions must
+	  be provided, depending on the object type.  Encoder objects
+	  need should provide a DPMS (basically on/off) function, mode fixup
+	  (for converting requested modes into native hardware timings),
+	  and prepare, set and commit functions for use by the core DRM
+	  helper functions.  Connector helpers need to provide mode fetch and
+	  validity functions as well as an encoder matching function for
+	  returing an ideal encoder for a given connector.  The core
+	  connector functions include a DPMS callback, (deprecated)
+	  save/restore routines, detection, mode probing, property handling,
+	  and cleanup functions.
+	</para>
+<!--!Edrivers/char/drm/drm_crtc.h-->
+<!--!Edrivers/char/drm/drm_crtc.c-->
+<!--!Edrivers/char/drm/drm_crtc_helper.c-->
+      </sect3>
+    </sect2>
+  </sect1>
+
+  <!-- Internals: vblank handling -->
+
+  <sect1>
+    <title>VBlank event handling</title>
+    <para>
+      The DRM core exposes two vertical blank related ioctls:
+      DRM_IOCTL_WAIT_VBLANK and DRM_IOCTL_MODESET_CTL.
+<!--!Edrivers/char/drm/drm_irq.c-->
+    </para>
+    <para>
+      DRM_IOCTL_WAIT_VBLANK takes a struct drm_wait_vblank structure
+      as its argument, and is used to block or request a signal when a
+      specified vblank event occurs.
+    </para>
+    <para>
+      DRM_IOCTL_MODESET_CTL should be called by application level
+      drivers before and after mode setting, since on many devices the
+      vertical blank counter will be reset at that time.  Internally,
+      the DRM snapshots the last vblank count when the ioctl is called
+      with the _DRM_PRE_MODESET command so that the counter won't go
+      backwards (which is dealt with when _DRM_POST_MODESET is used).
+    </para>
+    <para>
+      To support the functions above, the DRM core provides several
+      helper functions for tracking vertical blank counters, and
+      requires drivers to provide several callbacks:
+      get_vblank_counter(), enable_vblank() and disable_vblank().  The
+      core uses get_vblank_counter() to keep the counter accurate
+      across interrupt disable periods.  It should return the current
+      vertical blank event count, which is often tracked in a device
+      register.  The enable and disable vblank callbacks should enable
+      and disable vertical blank interrupts, respectively.  In the
+      absence of DRM clients waiting on vblank events, the core DRM
+      code will use the disable_vblank() function to disable
+      interrupts, which saves power.  They'll be re-enabled again when
+      a client calls the vblank wait ioctl above.
+    </para>
+    <para>
+      Devices that don't provide a count register can simply use an
+      internal atomic counter incremented on every vertical blank
+      interrupt, and can make their enable and disable vblank
+      functions into no-ops.
+    </para>
+  </sect1>
+
+  <sect1>
+    <title>Memory management</title>
+    <para>
+      The memory manager lies at the heart of many DRM operations, and
+      is also required to support advanced client features like OpenGL
+      pbuffers.  The DRM currently contains two memory managers, TTM
+      and GEM.
+    </para>
+
+    <sect2>
+      <title>The Translation Table Manager (TTM)</title>
+      <para>
+	TTM was developed by Tungsten Graphics, primarily by Thomas
+	Hellström, and is intended to be a flexible, high performance
+	graphics memory manager.
+      </para>
+      <para>
+	Drivers wishing to support TTM must fill out a drm_bo_driver
+	structure.
+      </para>
+      <para>
+	TTM design background and information belongs here.
+      </para>
+    </sect2>
+
+    <sect2>
+      <title>The Graphics Execution Manager (GEM)</title>
+      <para>
+	GEM is an Intel project, authored by Eric Anholt and Keith
+	Packard.  It provides simpler interfaces than TTM, and is well
+	suited for UMA devices.
+      </para>
+      <para>
+	GEM-enabled drivers must provide gem_init_object() and
+	gem_free_object() callbacks to support the core memory
+	allocation routines.  They should also provide several driver
+	specific ioctls to support command execution, pinning, buffer
+	read &amp; write, mapping, and domain ownership transfers.
+      </para>
+      <para>
+	On a fundamental level, GEM involves several operations: memory
+	allocation and freeing, command execution, and aperture management
+	at command execution time.  Buffer object allocation is relatively
+	straightforward and largely provided by Linux's shmem layer, which
+	provides memory to back each object.  When mapped into the GTT
+	or used in a command buffer, the backing pages for an object are
+	flushed to memory and marked write combined so as to be coherent
+	with the GPU.  Likewise, when the GPU finishes rendering to an object,
+	if the CPU accesses it, it must be made coherent with the CPU's view
+	of memory, usually involving GPU cache flushing of various kinds.
+	This core CPU&lt;-&gt;GPU coherency management is provided by the GEM
+	set domain function, which evaluates an object's current domain and
+	performs any necessary flushing or synchronization to put the object
+	into the desired coherency domain (note that the object may be busy,
+	i.e. an active render target; in that case the set domain function
+	will block the client and wait for rendering to complete before
+	performing any necessary flushing operations).
+      </para>
+      <para>
+	Perhaps the most important GEM function is providing a command
+	execution interface to clients.  Client programs construct command
+	buffers containing references to previously allocated memory objects
+	and submit them to GEM.  At that point, GEM will take care to bind
+	all the objects into the GTT, execute the buffer, and provide
+	necessary synchronization between clients accessing the same buffers.
+	This often involves evicting some objects from the GTT and re-binding
+	others (a fairly expensive operation), and providing relocation
+	support which hides fixed GTT offsets from clients.  Clients must
+	take care not to submit command buffers that reference more objects
+	than can fit in the GTT or GEM will reject them and no rendering
+	will occur.  Similarly, if several objects in the buffer require
+	fence registers to be allocated for correct rendering (e.g. 2D blits
+	on pre-965 chips), care must be taken not to require more fence
+	registers than are available to the client.  Such resource management
+	should be abstracted from the client in libdrm.
+      </para>
+    </sect2>
+
+  </sect1>
+
+  <!-- Output management -->
+  <sect1>
+    <title>Output management</title>
+    <para>
+      At the core of the DRM output management code is a set of
+      structures representing CRTCs, encoders and connectors.
+    </para>
+    <para>
+      A CRTC is an abstraction representing a part of the chip that
+      contains a pointer to a scanout buffer.  Therefore, the number
+      of CRTCs available determines how many independent scanout
+      buffers can be active at any given time.  The CRTC structure
+      contains several fields to support this: a pointer to some video
+      memory, a display mode, and an (x, y) offset into the video
+      memory to support panning or configurations where one piece of
+      video memory spans multiple CRTCs.
+    </para>
+    <para>
+      An encoder takes pixel data from a CRTC and converts it to a
+      format suitable for any attached connectors.  On some devices,
+      it may be possible to have a CRTC send data to more than one
+      encoder.  In that case, both encoders would receive data from
+      the same scanout buffer, resulting in a "cloned" display
+      configuration across the connectors attached to each encoder.
+    </para>
+    <para>
+      A connector is the final destination for pixel data on a device,
+      and usually connects directly to an external display device like
+      a monitor or laptop panel.  A connector can only be attached to
+      one encoder at a time.  The connector is also the structure
+      where information about the attached display is kept, so it
+      contains fields for display data, EDID data, DPMS &amp;
+      connection status, and information about modes supported on the
+      attached displays.
+    </para>
+<!--!Edrivers/char/drm/drm_crtc.c-->
+  </sect1>
+
+  <sect1>
+    <title>Framebuffer management</title>
+    <para>
+      In order to set a mode on a given CRTC, encoder and connector
+      configuration, clients need to provide a framebuffer object which
+      will provide a source of pixels for the CRTC to deliver to the encoder(s)
+      and ultimately the connector(s) in the configuration.  A framebuffer
+      is fundamentally a driver specific memory object, made into an opaque
+      handle by the DRM addfb function.  Once an fb has been created this
+      way it can be passed to the KMS mode setting routines for use in
+      a configuration.
+    </para>
+  </sect1>
+
+  <sect1>
+    <title>Command submission &amp; fencing</title>
+    <para>
+      This should cover a few device specific command submission
+      implementations.
+    </para>
+  </sect1>
+
+  <sect1>
+    <title>Suspend/resume</title>
+    <para>
+      The DRM core provides some suspend/resume code, but drivers
+      wanting full suspend/resume support should provide save() and
+      restore() functions.  These will be called at suspend,
+      hibernate, or resume time, and should perform any state save or
+      restore required by your device across suspend or hibernate
+      states.
+    </para>
+  </sect1>
+
+  <sect1>
+    <title>DMA services</title>
+    <para>
+      This should cover how DMA mapping etc. is supported by the core.
+      These functions are deprecated and should not be used.
+    </para>
+  </sect1>
+  </chapter>
+
+  <!-- External interfaces -->
+
+  <chapter id="drmExternals">
+    <title>Userland interfaces</title>
+    <para>
+      The DRM core exports several interfaces to applications,
+      generally intended to be used through corresponding libdrm
+      wrapper functions.  In addition, drivers export device specific
+      interfaces for use by userspace drivers &amp; device aware
+      applications through ioctls and sysfs files.
+    </para>
+    <para>
+      External interfaces include: memory mapping, context management,
+      DMA operations, AGP management, vblank control, fence
+      management, memory management, and output management.
+    </para>
+    <para>
+      Cover generic ioctls and sysfs layout here.  Only need high
+      level info, since man pages will cover the rest.
+    </para>
+  </chapter>
+
+  <!-- API reference -->
+
+  <appendix id="drmDriverApi">
+    <title>DRM Driver API</title>
+    <para>
+      Include auto-generated API reference here (need to reference it
+      from paragraphs above too).
+    </para>
+  </appendix>
+
+</book>

From ed9eac5b493c679ef5fc52273758fe334de82714 Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Wed, 21 Apr 2010 14:52:00 +0100
Subject: [PATCH 0492/3638] HID: add support for the Wacom Intuos 4 wireless

Same command set as the Graphire Bluetooth tablet.

Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-ids.h   | 1 +
 drivers/hid/hid-wacom.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index e1b4ce4eeb6..0786bbdafb4 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -456,6 +456,7 @@
 
 #define USB_VENDOR_ID_WACOM		0x056a
 #define USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH	0x81
+#define USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH	0xbd
 
 #define USB_VENDOR_ID_WISEGROUP		0x0925
 #define USB_DEVICE_ID_SMARTJOY_PLUS	0x0005
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 97ef6260fda..51d7d77eb43 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -435,7 +435,7 @@ static void wacom_remove(struct hid_device *hdev)
 
 static const struct hid_device_id wacom_devices[] = {
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
-
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, wacom_devices);

From 4afb032068ff78b4fef5bb2dc33e8ac7d1079e98 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Wed, 21 Apr 2010 16:22:30 +0200
Subject: [PATCH 0493/3638] HID: fix support for Wacom Intuos 4 wireless

Commit ed9eac5b493c679 ("HID: add support for the Wacom Intuos 4 wireles")
forgot to add VID/PID to hid_blacklist[]. Fix that up.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 468c6c2d4ad..2d8f79d8f88 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1361,6 +1361,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
 

From 7f1dc8a2d2f45fc557b27fd56115338b1d34fc24 Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Wed, 21 Apr 2010 17:44:16 +0200
Subject: [PATCH 0494/3638] blkio: Fix blkio crash during rq stat update

blkio + cfq was crashing even when two sequential readers were put in two
separate cgroups (group_isolation=0).

The reason being that cfqq can migrate across groups based on its being
sync-noidle or not, it can happen that at request insertion time, cfqq
belonged to one cfqg and at request dispatch time, it belonged to root
group. In this case request stats per cgroup can go wrong and it also runs
into BUG_ON().

This patch implements rq stashing away a cfq group pointer and not relying
on cfqq->cfqg pointer alone for rq stat accounting.

[   65.163523] ------------[ cut here ]------------
[   65.164301] kernel BUG at block/blk-cgroup.c:117!
[   65.164301] invalid opcode: 0000 [#1] SMP
[   65.164301] last sysfs file: /sys/devices/pci0000:00/0000:00:05.0/0000:60:00.1/host9/rport-9:0-0/target9:0:0/9:0:0:2/block/sde/stat
[   65.164301] CPU 1
[   65.164301] Modules linked in: dm_round_robin dm_multipath qla2xxx scsi_transport_fc dm_zero dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[   65.164301]
[   65.164301] Pid: 4505, comm: fio Not tainted 2.6.34-rc4-blk-for-35 #34 0A98h/HP xw8600 Workstation
[   65.164301] RIP: 0010:[<ffffffff8121924f>]  [<ffffffff8121924f>] blkiocg_update_io_remove_stats+0x5b/0xaf
[   65.164301] RSP: 0018:ffff8800ba5a79e8  EFLAGS: 00010046
[   65.164301] RAX: 0000000000000096 RBX: ffff8800bb268d60 RCX: 0000000000000000
[   65.164301] RDX: ffff8800bb268eb8 RSI: 0000000000000000 RDI: ffff8800bb268e00
[   65.164301] RBP: ffff8800ba5a7a08 R08: 0000000000000064 R09: 0000000000000001
[   65.164301] R10: 0000000000079640 R11: ffff8800a0bd5bf0 R12: ffff8800bab4af01
[   65.164301] R13: ffff8800bab4af00 R14: ffff8800bb1d8928 R15: 0000000000000000
[   65.164301] FS:  00007f18f75056f0(0000) GS:ffff880001e40000(0000) knlGS:0000000000000000
[   65.164301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.164301] CR2: 000000000040e7f0 CR3: 00000000ba52b000 CR4: 00000000000006e0
[   65.164301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   65.164301] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   65.164301] Process fio (pid: 4505, threadinfo ffff8800ba5a6000, task ffff8800ba45ae80)
[   65.164301] Stack:
[   65.164301]  ffff8800ba5a7a08 ffff8800ba722540 ffff8800bab4af68 ffff8800bab4af68
[   65.164301] <0> ffff8800ba5a7a38 ffffffff8121d814 ffff8800ba722540 ffff8800bab4af68
[   65.164301] <0> ffff8800ba722540 ffff8800a08f6800 ffff8800ba5a7a68 ffffffff8121d8ca
[   65.164301] Call Trace:
[   65.164301]  [<ffffffff8121d814>] cfq_remove_request+0xe4/0x116
[   65.164301]  [<ffffffff8121d8ca>] cfq_dispatch_insert+0x84/0xe1
[   65.164301]  [<ffffffff8121e833>] cfq_dispatch_requests+0x767/0x8e8
[   65.164301]  [<ffffffff8120e524>] ? submit_bio+0xc3/0xcc
[   65.164301]  [<ffffffff810ad657>] ? sync_page_killable+0x0/0x35
[   65.164301]  [<ffffffff8120ea8d>] blk_peek_request+0x191/0x1a7
[   65.164301]  [<ffffffffa000109c>] ? dm_get_live_table+0x44/0x4f [dm_mod]
[   65.164301]  [<ffffffffa0002799>] dm_request_fn+0x38/0x14c [dm_mod]
[   65.164301]  [<ffffffff810ad657>] ? sync_page_killable+0x0/0x35
[   65.164301]  [<ffffffff8120f600>] __generic_unplug_device+0x32/0x37
[   65.164301]  [<ffffffff8120f8a0>] generic_unplug_device+0x2e/0x3c
[   65.164301]  [<ffffffffa00011a6>] dm_unplug_all+0x42/0x5b [dm_mod]
[   65.164301]  [<ffffffff8120b063>] blk_unplug+0x29/0x2d
[   65.164301]  [<ffffffff8120b079>] blk_backing_dev_unplug+0x12/0x14
[   65.164301]  [<ffffffff81108a82>] block_sync_page+0x35/0x39
[   65.164301]  [<ffffffff810ad64e>] sync_page+0x41/0x4a
[   65.164301]  [<ffffffff810ad665>] sync_page_killable+0xe/0x35
[   65.164301]  [<ffffffff81589027>] __wait_on_bit_lock+0x46/0x8f
[   65.164301]  [<ffffffff810ad52d>] __lock_page_killable+0x66/0x6d
[   65.164301]  [<ffffffff81055fd4>] ? wake_bit_function+0x0/0x33
[   65.164301]  [<ffffffff810ad560>] lock_page_killable+0x2c/0x2e
[   65.164301]  [<ffffffff810aebfd>] generic_file_aio_read+0x361/0x4f0
[   65.164301]  [<ffffffff810e906c>] do_sync_read+0xcb/0x108
[   65.164301]  [<ffffffff811e32a3>] ? security_file_permission+0x16/0x18
[   65.164301]  [<ffffffff810e96d3>] vfs_read+0xab/0x108
[   65.164301]  [<ffffffff810e97f0>] sys_read+0x4a/0x6e
[   65.164301]  [<ffffffff81002b5b>] system_call_fastpath+0x16/0x1b
[   65.164301] Code: 00 74 1c 48 8b 8b 60 01 00 00 48 85 c9 75 04 0f 0b eb fe 48 ff c9 48 89 8b 60 01 00 00 eb 1a 48 8b 8b 58 01 00 00 48 85 c9 75 04 <0f> 0b eb fe 48 ff c9 48 89 8b 58 01 00 00 45 84 e4 74 16 48 8b
[   65.164301] RIP  [<ffffffff8121924f>] blkiocg_update_io_remove_stats+0x5b/0xaf
[   65.164301]  RSP <ffff8800ba5a79e8>
[   65.164301] ---[ end trace 1b2b828753032e68 ]---

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/cfq-iosched.c    | 36 ++++++++++++++++++++++++++----------
 include/linux/blkdev.h |  3 ++-
 2 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 62defd05518..d5927b53020 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -55,6 +55,7 @@ static const int cfq_hist_divisor = 4;
 #define RQ_CIC(rq)		\
 	((struct cfq_io_context *) (rq)->elevator_private)
 #define RQ_CFQQ(rq)		(struct cfq_queue *) ((rq)->elevator_private2)
+#define RQ_CFQG(rq)		(struct cfq_group *) ((rq)->elevator_private3)
 
 static struct kmem_cache *cfq_pool;
 static struct kmem_cache *cfq_ioc_pool;
@@ -1001,6 +1002,12 @@ static struct cfq_group *cfq_get_cfqg(struct cfq_data *cfqd, int create)
 	return cfqg;
 }
 
+static inline struct cfq_group *cfq_ref_get_cfqg(struct cfq_group *cfqg)
+{
+	atomic_inc(&cfqg->ref);
+	return cfqg;
+}
+
 static void cfq_link_cfqq_cfqg(struct cfq_queue *cfqq, struct cfq_group *cfqg)
 {
 	/* Currently, all async queues are mapped to root group */
@@ -1084,6 +1091,12 @@ static struct cfq_group *cfq_get_cfqg(struct cfq_data *cfqd, int create)
 {
 	return &cfqd->root_group;
 }
+
+static inline struct cfq_group *cfq_ref_get_cfqg(struct cfq_group *cfqg)
+{
+	return NULL;
+}
+
 static inline void
 cfq_link_cfqq_cfqg(struct cfq_queue *cfqq, struct cfq_group *cfqg) {
 	cfqq->cfqg = cfqg;
@@ -1386,12 +1399,12 @@ static void cfq_reposition_rq_rb(struct cfq_queue *cfqq, struct request *rq)
 {
 	elv_rb_del(&cfqq->sort_list, rq);
 	cfqq->queued[rq_is_sync(rq)]--;
-	blkiocg_update_io_remove_stats(&cfqq->cfqg->blkg, rq_data_dir(rq),
+	blkiocg_update_io_remove_stats(&(RQ_CFQG(rq))->blkg, rq_data_dir(rq),
 						rq_is_sync(rq));
 	cfq_add_rq_rb(rq);
-	blkiocg_update_io_add_stats(
-			&cfqq->cfqg->blkg, &cfqq->cfqd->serving_group->blkg,
-			rq_data_dir(rq), rq_is_sync(rq));
+	blkiocg_update_io_add_stats(&(RQ_CFQG(rq))->blkg,
+			&cfqq->cfqd->serving_group->blkg, rq_data_dir(rq),
+			rq_is_sync(rq));
 }
 
 static struct request *
@@ -1447,7 +1460,7 @@ static void cfq_remove_request(struct request *rq)
 	cfq_del_rq_rb(rq);
 
 	cfqq->cfqd->rq_queued--;
-	blkiocg_update_io_remove_stats(&cfqq->cfqg->blkg, rq_data_dir(rq),
+	blkiocg_update_io_remove_stats(&(RQ_CFQG(rq))->blkg, rq_data_dir(rq),
 						rq_is_sync(rq));
 	if (rq_is_meta(rq)) {
 		WARN_ON(!cfqq->meta_pending);
@@ -1483,8 +1496,7 @@ static void cfq_merged_request(struct request_queue *q, struct request *req,
 static void cfq_bio_merged(struct request_queue *q, struct request *req,
 				struct bio *bio)
 {
-	struct cfq_queue *cfqq = RQ_CFQQ(req);
-	blkiocg_update_io_merged_stats(&cfqq->cfqg->blkg, bio_data_dir(bio),
+	blkiocg_update_io_merged_stats(&(RQ_CFQG(req))->blkg, bio_data_dir(bio),
 					cfq_bio_sync(bio));
 }
 
@@ -1505,7 +1517,7 @@ cfq_merged_requests(struct request_queue *q, struct request *rq,
 	if (cfqq->next_rq == next)
 		cfqq->next_rq = rq;
 	cfq_remove_request(next);
-	blkiocg_update_io_merged_stats(&cfqq->cfqg->blkg, rq_data_dir(next),
+	blkiocg_update_io_merged_stats(&(RQ_CFQG(rq))->blkg, rq_data_dir(next),
 					rq_is_sync(next));
 }
 
@@ -3240,8 +3252,7 @@ static void cfq_insert_request(struct request_queue *q, struct request *rq)
 	rq_set_fifo_time(rq, jiffies + cfqd->cfq_fifo_expire[rq_is_sync(rq)]);
 	list_add_tail(&rq->queuelist, &cfqq->fifo);
 	cfq_add_rq_rb(rq);
-
-	blkiocg_update_io_add_stats(&cfqq->cfqg->blkg,
+	blkiocg_update_io_add_stats(&(RQ_CFQG(rq))->blkg,
 			&cfqd->serving_group->blkg, rq_data_dir(rq),
 			rq_is_sync(rq));
 	cfq_rq_enqueued(cfqd, cfqq, rq);
@@ -3472,6 +3483,10 @@ static void cfq_put_request(struct request *rq)
 		rq->elevator_private = NULL;
 		rq->elevator_private2 = NULL;
 
+		/* Put down rq reference on cfqg */
+		cfq_put_cfqg(RQ_CFQG(rq));
+		rq->elevator_private3 = NULL;
+
 		cfq_put_queue(cfqq);
 	}
 }
@@ -3560,6 +3575,7 @@ new_queue:
 
 	rq->elevator_private = cic;
 	rq->elevator_private2 = cfqq;
+	rq->elevator_private3 = cfq_ref_get_cfqg(cfqq->cfqg);
 	return 0;
 
 queue_fail:
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index d483c494672..5cf17a49ce3 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -186,11 +186,12 @@ struct request {
 	};
 
 	/*
-	 * two pointers are available for the IO schedulers, if they need
+	 * Three pointers are available for the IO schedulers, if they need
 	 * more they have to dynamically allocate it.
 	 */
 	void *elevator_private;
 	void *elevator_private2;
+	void *elevator_private3;
 
 	struct gendisk *rq_disk;
 	unsigned long start_time;

From 38a66f51e71c8d3e24c221614c57b9e8b37a46b3 Mon Sep 17 00:00:00 2001
From: Amit Kucheria <amit.kucheria@canonical.com>
Date: Wed, 21 Apr 2010 21:34:36 +0300
Subject: [PATCH 0495/3638] mxc: Change gpt timer code to be more generic by
 using V2 instead of MX3

Replace mx3_ with v2_ since the register layout is the same for all SoCs using
version 2 of the timer (mx25, mx31, mx37 and now mx51)

Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/plat-mxc/time.c | 44 ++++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c
index c1ce51abdba..714bdeffbe5 100644
--- a/arch/arm/plat-mxc/time.c
+++ b/arch/arm/plat-mxc/time.c
@@ -54,14 +54,14 @@
 #define MX2_TSTAT_COMP		(1 << 0)
 
 /* MX31, MX35, MX25, MXC91231, MX5 */
-#define MX3_TCTL_WAITEN		(1 << 3) /* Wait enable mode */
-#define MX3_TCTL_CLK_IPG	(1 << 6)
-#define MX3_TCTL_FRR		(1 << 9)
-#define MX3_IR			0x0c
-#define MX3_TSTAT		0x08
-#define MX3_TSTAT_OF1		(1 << 0)
-#define MX3_TCN			0x24
-#define MX3_TCMP		0x10
+#define V2_TCTL_WAITEN		(1 << 3) /* Wait enable mode */
+#define V2_TCTL_CLK_IPG		(1 << 6)
+#define V2_TCTL_FRR		(1 << 9)
+#define V2_IR			0x0c
+#define V2_TSTAT		0x08
+#define V2_TSTAT_OF1		(1 << 0)
+#define V2_TCN			0x24
+#define V2_TCMP			0x10
 
 #define timer_is_v1()	(cpu_is_mx1() || cpu_is_mx21() || cpu_is_mx27())
 #define timer_is_v2()	(!timer_is_v1())
@@ -76,7 +76,7 @@ static inline void gpt_irq_disable(void)
 	unsigned int tmp;
 
 	if (timer_is_v2())
-		__raw_writel(0, timer_base + MX3_IR);
+		__raw_writel(0, timer_base + V2_IR);
 	else {
 		tmp = __raw_readl(timer_base + MXC_TCTL);
 		__raw_writel(tmp & ~MX1_2_TCTL_IRQEN, timer_base + MXC_TCTL);
@@ -86,7 +86,7 @@ static inline void gpt_irq_disable(void)
 static inline void gpt_irq_enable(void)
 {
 	if (timer_is_v2())
-		__raw_writel(1<<0, timer_base + MX3_IR);
+		__raw_writel(1<<0, timer_base + V2_IR);
 	else {
 		__raw_writel(__raw_readl(timer_base + MXC_TCTL) | MX1_2_TCTL_IRQEN,
 			timer_base + MXC_TCTL);
@@ -110,9 +110,9 @@ static cycle_t mx1_2_get_cycles(struct clocksource *cs)
 	return __raw_readl(timer_base + MX1_2_TCN);
 }
 
-static cycle_t mx3_get_cycles(struct clocksource *cs)
+static cycle_t v2_get_cycles(struct clocksource *cs)
 {
-	return __raw_readl(timer_base + MX3_TCN);
+	return __raw_readl(timer_base + V2_TCN);
 }
 
 static struct clocksource clocksource_mxc = {
@@ -129,7 +129,7 @@ static int __init mxc_clocksource_init(struct clk *timer_clk)
 	unsigned int c = clk_get_rate(timer_clk);
 
 	if (timer_is_v2())
-		clocksource_mxc.read = mx3_get_cycles;
+		clocksource_mxc.read = v2_get_cycles;
 
 	clocksource_mxc.mult = clocksource_hz2mult(c,
 					clocksource_mxc.shift);
@@ -153,16 +153,16 @@ static int mx1_2_set_next_event(unsigned long evt,
 				-ETIME : 0;
 }
 
-static int mx3_set_next_event(unsigned long evt,
+static int v2_set_next_event(unsigned long evt,
 			      struct clock_event_device *unused)
 {
 	unsigned long tcmp;
 
-	tcmp = __raw_readl(timer_base + MX3_TCN) + evt;
+	tcmp = __raw_readl(timer_base + V2_TCN) + evt;
 
-	__raw_writel(tcmp, timer_base + MX3_TCMP);
+	__raw_writel(tcmp, timer_base + V2_TCMP);
 
-	return (int)(tcmp - __raw_readl(timer_base + MX3_TCN)) < 0 ?
+	return (int)(tcmp - __raw_readl(timer_base + V2_TCN)) < 0 ?
 				-ETIME : 0;
 }
 
@@ -192,8 +192,8 @@ static void mxc_set_mode(enum clock_event_mode mode,
 	if (mode != clockevent_mode) {
 		/* Set event time into far-far future */
 		if (timer_is_v2())
-			__raw_writel(__raw_readl(timer_base + MX3_TCN) - 3,
-					timer_base + MX3_TCMP);
+			__raw_writel(__raw_readl(timer_base + V2_TCN) - 3,
+					timer_base + V2_TCMP);
 		else
 			__raw_writel(__raw_readl(timer_base + MX1_2_TCN) - 3,
 					timer_base + MX1_2_TCMP);
@@ -245,7 +245,7 @@ static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
 	uint32_t tstat;
 
 	if (timer_is_v2())
-		tstat = __raw_readl(timer_base + MX3_TSTAT);
+		tstat = __raw_readl(timer_base + V2_TSTAT);
 	else
 		tstat = __raw_readl(timer_base + MX1_2_TSTAT);
 
@@ -276,7 +276,7 @@ static int __init mxc_clockevent_init(struct clk *timer_clk)
 	unsigned int c = clk_get_rate(timer_clk);
 
 	if (timer_is_v2())
-		clockevent_mxc.set_next_event = mx3_set_next_event;
+		clockevent_mxc.set_next_event = v2_set_next_event;
 
 	clockevent_mxc.mult = div_sc(c, NSEC_PER_SEC,
 					clockevent_mxc.shift);
@@ -308,7 +308,7 @@ void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq)
 	__raw_writel(0, timer_base + MXC_TPRER); /* see datasheet note */
 
 	if (timer_is_v2())
-		tctl_val = MX3_TCTL_CLK_IPG | MX3_TCTL_FRR | MX3_TCTL_WAITEN | MXC_TCTL_TEN;
+		tctl_val = V2_TCTL_CLK_IPG | V2_TCTL_FRR | V2_TCTL_WAITEN | MXC_TCTL_TEN;
 	else
 		tctl_val = MX1_2_TCTL_FRR | MX1_2_TCTL_CLK_PCLK1 | MXC_TCTL_TEN;
 

From e24798e637f5d5222f9fd767aefbea15de456e4a Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Thu, 22 Apr 2010 16:28:42 +0300
Subject: [PATCH 0496/3638] mx5: Add registration of GPIOs for MX5 devices

Register the gpio irqs on Freescale's MX51 Babbage HW.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/devices.c | 33 +++++++++++++++++++++++++++++++--
 arch/arm/plat-mxc/gpio.c    |  5 ++---
 arch/arm/plat-mxc/tzic.c    |  4 +++-
 3 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index d6fd3961ade..5070ae1f94c 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -1,5 +1,6 @@
 /*
  * Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
  *
  * The code contained herein is licensed under the GNU General Public
  * License. You may obtain a copy of the GNU General Public License
@@ -10,8 +11,10 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
 #include <mach/hardware.h>
 #include <mach/imx-uart.h>
+#include <mach/irqs.h>
 
 static struct resource uart0[] = {
 	{
@@ -89,8 +92,34 @@ struct platform_device mxc_fec_device = {
 	.resource = mxc_fec_resources,
 };
 
-/* Dummy definition to allow compiling in AVIC and TZIC simultaneously */
+static struct mxc_gpio_port mxc_gpio_ports[] = {
+	{
+		.chip.label = "gpio-0",
+		.base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR),
+		.irq = MX51_MXC_INT_GPIO1_LOW,
+		.virtual_irq_start = MXC_GPIO_IRQ_START
+	},
+	{
+		.chip.label = "gpio-1",
+		.base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR),
+		.irq = MX51_MXC_INT_GPIO2_LOW,
+		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1
+	},
+	{
+		.chip.label = "gpio-2",
+		.base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR),
+		.irq = MX51_MXC_INT_GPIO3_LOW,
+		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2
+	},
+	{
+		.chip.label = "gpio-3",
+		.base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR),
+		.irq = MX51_MXC_INT_GPIO4_LOW,
+		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3
+	},
+};
+
 int __init mxc_register_gpios(void)
 {
-	return 0;
+	return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports));
 }
diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
index 70b23893f09..71437c61cfd 100644
--- a/arch/arm/plat-mxc/gpio.c
+++ b/arch/arm/plat-mxc/gpio.c
@@ -3,7 +3,7 @@
  * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
  *
  * Based on code from Freescale,
- * Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -38,7 +38,6 @@ static int gpio_table_size;
 #define GPIO_ICR2	(cpu_is_mx1_mx2() ? 0x2C : 0x10)
 #define GPIO_IMR	(cpu_is_mx1_mx2() ? 0x30 : 0x14)
 #define GPIO_ISR	(cpu_is_mx1_mx2() ? 0x34 : 0x18)
-#define GPIO_ISR	(cpu_is_mx1_mx2() ? 0x34 : 0x18)
 
 #define GPIO_INT_LOW_LEV	(cpu_is_mx1_mx2() ? 0x3 : 0x0)
 #define GPIO_INT_HIGH_LEV	(cpu_is_mx1_mx2() ? 0x2 : 0x1)
@@ -289,7 +288,7 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt)
 		/* its a serious configuration bug when it fails */
 		BUG_ON( gpiochip_add(&port[i].chip) < 0 );
 
-		if (cpu_is_mx1() || cpu_is_mx3() || cpu_is_mx25()) {
+		if (cpu_is_mx1() || cpu_is_mx3() || cpu_is_mx25() || cpu_is_mx51()) {
 			/* setup one handler for each entry */
 			set_irq_chained_handler(port[i].irq, mx3_gpio_irq_handler);
 			set_irq_data(port[i].irq, &port[i]);
diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c
index afa6709db0b..9b86d2a60d4 100644
--- a/arch/arm/plat-mxc/tzic.c
+++ b/arch/arm/plat-mxc/tzic.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C)2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * The code contained herein is licensed under the GNU General Public
  * License. You may obtain a copy of the GNU General Public License
@@ -19,6 +19,7 @@
 #include <asm/mach/irq.h>
 
 #include <mach/hardware.h>
+#include <mach/common.h>
 
 /*
  *****************************************
@@ -144,6 +145,7 @@ void __init tzic_init_irq(void __iomem *irqbase)
 		set_irq_handler(i, handle_level_irq);
 		set_irq_flags(i, IRQF_VALID);
 	}
+	mxc_register_gpios();
 
 	pr_info("TrustZone Interrupt Controller (TZIC) initialized\n");
 }

From a63445a31a76474dd3f9e852e8bf08f81ee7437a Mon Sep 17 00:00:00 2001
From: Daniel Walker <dwalker@codeaurora.org>
Date: Thu, 22 Apr 2010 14:00:18 -0700
Subject: [PATCH 0497/3638] drivers: video: msm: default to no

It doesn't cure cancer ..

Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 drivers/video/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 6e16244f3ed..87f36efe46f 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -2186,7 +2186,6 @@ config FB_MSM
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
-	default y
 
 config FB_MX3
 	tristate "MX3 Framebuffer support"

From ba4d8abb31def963f49b7c239a8acce57fe1d1cc Mon Sep 17 00:00:00 2001
From: Stephane Chatty <chatty@lii-enac.fr>
Date: Thu, 22 Apr 2010 23:24:36 +0200
Subject: [PATCH 0498/3638] HID: Support for the 11.6" Cando panel

Added support for the 11.6" Cando panel found on the Acer Timeline 1825PTZ.

Signed-off-by: Stephane Chatty <chatty@enac.fr>
Tested-by: Johannes Klug <johannesklug@room2web.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-cando.c | 2 ++
 drivers/hid/hid-core.c  | 1 +
 drivers/hid/hid-ids.h   | 1 +
 3 files changed, 4 insertions(+)

diff --git a/drivers/hid/hid-cando.c b/drivers/hid/hid-cando.c
index f9b2233d9e4..4267a6fdc27 100644
--- a/drivers/hid/hid-cando.c
+++ b/drivers/hid/hid-cando.c
@@ -235,6 +235,8 @@ static void cando_remove(struct hid_device *hdev)
 static const struct hid_device_id cando_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
 			USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
+			USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, cando_devices);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index fefbe3fdf8e..262ab1048b6 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1296,6 +1296,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 635970462ea..968f59bb2e9 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -125,6 +125,7 @@
 
 #define USB_VENDOR_ID_CANDO		0x2087
 #define USB_DEVICE_ID_CANDO_MULTI_TOUCH 0x0a01
+#define USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6 0x0b03
 
 #define USB_VENDOR_ID_CH		0x068e
 #define USB_DEVICE_ID_CH_PRO_PEDALS	0x00f2

From 96a7813736a6aa1e2561ecc0d499817daecb4860 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Fri, 23 Apr 2010 00:22:07 +0200
Subject: [PATCH 0499/3638] HID: fix build failure

Fix build failure introduced by 4afb032068f ("HID: fix
support for Wacom Intuos 4 wireless") due to missing coma.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 2d8f79d8f88..34429d7d89a 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1361,7 +1361,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
-	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
 

From 15d8ee9a96e5019e698ad3c2c181970deb8ff888 Mon Sep 17 00:00:00 2001
From: Przemo Firszt <przemo@firszt.eu>
Date: Wed, 21 Apr 2010 22:16:25 +0100
Subject: [PATCH 0500/3638] HID: wacom: add ABI doc entry for speed attribute

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 Documentation/ABI/testing/sysfs-wacom | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-wacom

diff --git a/Documentation/ABI/testing/sysfs-wacom b/Documentation/ABI/testing/sysfs-wacom
new file mode 100644
index 00000000000..1517976e25c
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-wacom
@@ -0,0 +1,10 @@
+What:		/sys/class/hidraw/hidraw*/device/speed
+Date:		April 2010
+Kernel Version:	2.6.35
+Contact:	linux-bluetooth@vger.kernel.org
+Description:
+		The /sys/class/hidraw/hidraw*/device/speed file controls
+		reporting speed of wacom bluetooth tablet. Reading from
+		this file returns 1 if tablet reports in high speed mode
+		or 0 otherwise. Writing to this file one of these values
+		switches reporting speed.

From 63e7cf910542383591318941cb62a246ac191cfe Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Wed, 14 Apr 2010 05:50:26 +0000
Subject: [PATCH 0501/3638] pdc202xx_old: wire test_irq() method for PDC2026x

In the commit e0321fbe6d34b4bb514fb6daff9e0859e5d76001 (pdc202xx_old:
implement test_irq() method (take 2)) I forgot to modify
'pdc2026x_port_ops'... :-/

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ide/pdc202xx_old.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index c5f3841af36..42ad794dfaa 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -241,6 +241,7 @@ static const struct ide_port_ops pdc20246_port_ops = {
 static const struct ide_port_ops pdc2026x_port_ops = {
 	.set_pio_mode		= pdc202xx_set_pio_mode,
 	.set_dma_mode		= pdc202xx_set_mode,
+	.test_irq		= pdc202xx_test_irq,
 	.cable_detect		= pdc2026x_cable_detect,
 };
 

From f693be4d8a00431b53a59d74aefdb3f7ae92f662 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Wed, 14 Apr 2010 05:52:59 +0000
Subject: [PATCH 0502/3638] pdc202xx_old: ignore "FIFO empty" bit in test_irq()
 method

The driver takes into account not only the interrupt status bit but
also "FIFO empty" bit in its test_irq() method. This actually is a
superfluous check since for the DMA commands calling the
dma_test_irq() method further in the interrupt handler makes sure FIFO
is emptied.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ide/pdc202xx_old.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index 42ad794dfaa..3a35ec6193d 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -93,13 +93,13 @@ static int pdc202xx_test_irq(ide_hwif_t *hwif)
 		 * bit 7: error, bit 6: interrupting,
 		 * bit 5: FIFO full, bit 4: FIFO empty
 		 */
-		return ((sc1d & 0x50) == 0x50) ? 1 : 0;
+		return (sc1d & 0x40) ? 1 : 0;
 	} else	{
 		/*
 		 * bit 3: error, bit 2: interrupting,
 		 * bit 1: FIFO full, bit 0: FIFO empty
 		 */
-		return ((sc1d & 0x05) == 0x05) ? 1 : 0;
+		return (sc1d & 0x04) ? 1 : 0;
 	}
 }
 

From 61cf059325a30995a78c5001db2ed2a8ab1d4c36 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Tue, 20 Apr 2010 17:43:34 +0200
Subject: [PATCH 0503/3638] agp: use scratch page on memory remove and at GATT
 creation V4
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Convert most AGP chipset to use scratch page as default entries.
This help avoiding GPU querying 0 address and trigger computer
fault. With KMS and memory manager we bind/unbind AGP memory
constantly and it seems that some GPU are still doing AGP
traffic even after GPU report being idle with the memory segment.

Tested (radeon GPU KMS + Xorg + compiz + glxgears + quake3) on :
- SIS 1039:0001 & 1039:0003
- Intel 865 8086:2571

Compile tested for other bridges

V2 enable scratch page on uninorth
V3 fix unbound check in uninorth insert memory (Michel Dänzer)
V4 rebase on top of drm-next branch with the lastest intel AGP
   changeset (stable should use version V3 of the patch)

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/char/agp/ali-agp.c      |  1 +
 drivers/char/agp/amd-k7-agp.c   |  9 +++++++++
 drivers/char/agp/amd64-agp.c    |  1 +
 drivers/char/agp/ati-agp.c      |  8 ++++++++
 drivers/char/agp/intel-agp.c    |  9 +++++++++
 drivers/char/agp/nvidia-agp.c   |  1 +
 drivers/char/agp/sis-agp.c      |  1 +
 drivers/char/agp/uninorth-agp.c | 16 ++++++++++++----
 drivers/char/agp/via-agp.c      |  2 ++
 9 files changed, 44 insertions(+), 4 deletions(-)

diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index d2ce68f27e4..fd793519ea2 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -204,6 +204,7 @@ static const struct agp_bridge_driver ali_generic_bridge = {
 	.aperture_sizes		= ali_generic_sizes,
 	.size_type		= U32_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= ali_configure,
 	.fetch_size		= ali_fetch_size,
 	.cleanup		= ali_cleanup,
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c
index a7637d72cef..b6b1568314c 100644
--- a/drivers/char/agp/amd-k7-agp.c
+++ b/drivers/char/agp/amd-k7-agp.c
@@ -142,6 +142,7 @@ static int amd_create_gatt_table(struct agp_bridge_data *bridge)
 {
 	struct aper_size_info_lvl2 *value;
 	struct amd_page_map page_dir;
+	unsigned long __iomem *cur_gatt;
 	unsigned long addr;
 	int retval;
 	u32 temp;
@@ -178,6 +179,13 @@ static int amd_create_gatt_table(struct agp_bridge_data *bridge)
 		readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr));	/* PCI Posting. */
 	}
 
+	for (i = 0; i < value->num_entries; i++) {
+		addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr;
+		cur_gatt = GET_GATT(addr);
+		writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr));
+		readl(cur_gatt+GET_GATT_OFF(addr));	/* PCI Posting. */
+	}
+
 	return 0;
 }
 
@@ -375,6 +383,7 @@ static const struct agp_bridge_driver amd_irongate_driver = {
 	.aperture_sizes		= amd_irongate_sizes,
 	.size_type		= LVL2_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= amd_irongate_configure,
 	.fetch_size		= amd_irongate_fetch_size,
 	.cleanup		= amd_irongate_cleanup,
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index fd50ead59c7..73703b115cd 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -210,6 +210,7 @@ static const struct agp_bridge_driver amd_8151_driver = {
 	.aperture_sizes		= amd_8151_sizes,
 	.size_type		= U32_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= amd_8151_configure,
 	.fetch_size		= amd64_fetch_size,
 	.cleanup		= amd64_cleanup,
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 3b2ecbe86eb..dc30e224349 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -341,6 +341,7 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge)
 {
 	struct aper_size_info_lvl2 *value;
 	struct ati_page_map page_dir;
+	unsigned long __iomem *cur_gatt;
 	unsigned long addr;
 	int retval;
 	u32 temp;
@@ -395,6 +396,12 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge)
 		readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr));	/* PCI Posting. */
 	}
 
+	for (i = 0; i < value->num_entries; i++) {
+		addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr;
+		cur_gatt = GET_GATT(addr);
+		writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr));
+	}
+
 	return 0;
 }
 
@@ -415,6 +422,7 @@ static const struct agp_bridge_driver ati_generic_bridge = {
 	.aperture_sizes		= ati_generic_sizes,
 	.size_type		= LVL2_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= ati_configure,
 	.fetch_size		= ati_fetch_size,
 	.cleanup		= ati_cleanup,
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 034644eeedf..d836a71bf06 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -464,6 +464,7 @@ static const struct agp_bridge_driver intel_generic_driver = {
 	.aperture_sizes		= intel_generic_sizes,
 	.size_type		= U16_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= intel_configure,
 	.fetch_size		= intel_fetch_size,
 	.cleanup		= intel_cleanup,
@@ -490,6 +491,7 @@ static const struct agp_bridge_driver intel_815_driver = {
 	.aperture_sizes		= intel_815_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 2,
+	.needs_scratch_page	= true,
 	.configure		= intel_815_configure,
 	.fetch_size		= intel_815_fetch_size,
 	.cleanup		= intel_8xx_cleanup,
@@ -516,6 +518,7 @@ static const struct agp_bridge_driver intel_820_driver = {
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= intel_820_configure,
 	.fetch_size		= intel_8xx_fetch_size,
 	.cleanup		= intel_820_cleanup,
@@ -542,6 +545,7 @@ static const struct agp_bridge_driver intel_830mp_driver = {
 	.aperture_sizes		= intel_830mp_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 4,
+	.needs_scratch_page	= true,
 	.configure		= intel_830mp_configure,
 	.fetch_size		= intel_8xx_fetch_size,
 	.cleanup		= intel_8xx_cleanup,
@@ -568,6 +572,7 @@ static const struct agp_bridge_driver intel_840_driver = {
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= intel_840_configure,
 	.fetch_size		= intel_8xx_fetch_size,
 	.cleanup		= intel_8xx_cleanup,
@@ -594,6 +599,7 @@ static const struct agp_bridge_driver intel_845_driver = {
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= intel_845_configure,
 	.fetch_size		= intel_8xx_fetch_size,
 	.cleanup		= intel_8xx_cleanup,
@@ -620,6 +626,7 @@ static const struct agp_bridge_driver intel_850_driver = {
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= intel_850_configure,
 	.fetch_size		= intel_8xx_fetch_size,
 	.cleanup		= intel_8xx_cleanup,
@@ -646,6 +653,7 @@ static const struct agp_bridge_driver intel_860_driver = {
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= intel_860_configure,
 	.fetch_size		= intel_8xx_fetch_size,
 	.cleanup		= intel_8xx_cleanup,
@@ -672,6 +680,7 @@ static const struct agp_bridge_driver intel_7505_driver = {
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= intel_7505_configure,
 	.fetch_size		= intel_8xx_fetch_size,
 	.cleanup		= intel_8xx_cleanup,
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 10f24e349a2..b9734a97818 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -310,6 +310,7 @@ static const struct agp_bridge_driver nvidia_driver = {
 	.aperture_sizes		= nvidia_generic_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 5,
+	.needs_scratch_page	= true,
 	.configure		= nvidia_configure,
 	.fetch_size		= nvidia_fetch_size,
 	.cleanup		= nvidia_cleanup,
diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index 6c3837a0184..b53d5f4e9cb 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -125,6 +125,7 @@ static struct agp_bridge_driver sis_driver = {
 	.aperture_sizes		= sis_generic_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
+	.needs_scratch_page	= true,
 	.configure		= sis_configure,
 	.fetch_size		= sis_fetch_size,
 	.cleanup		= sis_cleanup,
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index 6f48931ac1c..95db71360d2 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -28,6 +28,7 @@
  */
 static int uninorth_rev;
 static int is_u3;
+static u32 scratch_value;
 
 #define DEFAULT_APERTURE_SIZE 256
 #define DEFAULT_APERTURE_STRING "256"
@@ -172,7 +173,7 @@ static int uninorth_insert_memory(struct agp_memory *mem, off_t pg_start, int ty
 
 	gp = (u32 *) &agp_bridge->gatt_table[pg_start];
 	for (i = 0; i < mem->page_count; ++i) {
-		if (gp[i]) {
+		if (gp[i] != scratch_value) {
 			dev_info(&agp_bridge->dev->dev,
 				 "uninorth_insert_memory: entry 0x%x occupied (%x)\n",
 				 i, gp[i]);
@@ -214,8 +215,9 @@ int uninorth_remove_memory(struct agp_memory *mem, off_t pg_start, int type)
 		return 0;
 
 	gp = (u32 *) &agp_bridge->gatt_table[pg_start];
-	for (i = 0; i < mem->page_count; ++i)
-		gp[i] = 0;
+	for (i = 0; i < mem->page_count; ++i) {
+		gp[i] = scratch_value;
+	}
 	mb();
 	uninorth_tlbflush(mem);
 
@@ -421,8 +423,13 @@ static int uninorth_create_gatt_table(struct agp_bridge_data *bridge)
 
 	bridge->gatt_bus_addr = virt_to_phys(table);
 
+	if (is_u3)
+		scratch_value = (page_to_phys(agp_bridge->scratch_page_page) >> PAGE_SHIFT) | 0x80000000UL;
+	else
+		scratch_value =	cpu_to_le32((page_to_phys(agp_bridge->scratch_page_page) & 0xFFFFF000UL) |
+				0x1UL);
 	for (i = 0; i < num_entries; i++)
-		bridge->gatt_table[i] = 0;
+		bridge->gatt_table[i] = scratch_value;
 
 	return 0;
 
@@ -519,6 +526,7 @@ const struct agp_bridge_driver uninorth_agp_driver = {
 	.agp_destroy_pages	= agp_generic_destroy_pages,
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 	.cant_use_aperture	= true,
+	.needs_scratch_page	= true,
 };
 
 const struct agp_bridge_driver u3_agp_driver = {
diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c
index d3bd243867f..df67e80019d 100644
--- a/drivers/char/agp/via-agp.c
+++ b/drivers/char/agp/via-agp.c
@@ -175,6 +175,7 @@ static const struct agp_bridge_driver via_agp3_driver = {
 	.aperture_sizes		= agp3_generic_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 10,
+	.needs_scratch_page	= true,
 	.configure		= via_configure_agp3,
 	.fetch_size		= via_fetch_size_agp3,
 	.cleanup		= via_cleanup_agp3,
@@ -201,6 +202,7 @@ static const struct agp_bridge_driver via_driver = {
 	.aperture_sizes		= via_generic_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 9,
+	.needs_scratch_page	= true,
 	.configure		= via_configure,
 	.fetch_size		= via_fetch_size,
 	.cleanup		= via_cleanup,

From 58bd086313ea0eda037f65b9bda2b3decb959a31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <deathsimple@vodafone.de>
Date: Mon, 5 Apr 2010 22:14:55 +0200
Subject: [PATCH 0504/3638] drm/radeon/kms: rework audio polling timer
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Rework HDMI audio polling timer, only enable it when
at least one HDMI encoder needs it. Preparation for
replacing it with irq support.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r600_audio.c  | 57 ++++++++++++++++++++--------
 drivers/gpu/drm/radeon/r600_hdmi.c   | 17 ++++++---
 drivers/gpu/drm/radeon/radeon.h      | 14 ++++---
 drivers/gpu/drm/radeon/radeon_mode.h |  1 +
 4 files changed, 62 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index 1d898051c63..ed8d3989f17 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -44,7 +44,7 @@ static int r600_audio_chipset_supported(struct radeon_device *rdev)
 /*
  * current number of channels
  */
-static int r600_audio_channels(struct radeon_device *rdev)
+int r600_audio_channels(struct radeon_device *rdev)
 {
 	return (RREG32(R600_AUDIO_RATE_BPS_CHANNEL) & 0x7) + 1;
 }
@@ -52,7 +52,7 @@ static int r600_audio_channels(struct radeon_device *rdev)
 /*
  * current bits per sample
  */
-static int r600_audio_bits_per_sample(struct radeon_device *rdev)
+int r600_audio_bits_per_sample(struct radeon_device *rdev)
 {
 	uint32_t value = (RREG32(R600_AUDIO_RATE_BPS_CHANNEL) & 0xF0) >> 4;
 	switch (value) {
@@ -71,7 +71,7 @@ static int r600_audio_bits_per_sample(struct radeon_device *rdev)
 /*
  * current sampling rate in HZ
  */
-static int r600_audio_rate(struct radeon_device *rdev)
+int r600_audio_rate(struct radeon_device *rdev)
 {
 	uint32_t value = RREG32(R600_AUDIO_RATE_BPS_CHANNEL);
 	uint32_t result;
@@ -90,7 +90,7 @@ static int r600_audio_rate(struct radeon_device *rdev)
 /*
  * iec 60958 status bits
  */
-static uint8_t r600_audio_status_bits(struct radeon_device *rdev)
+uint8_t r600_audio_status_bits(struct radeon_device *rdev)
 {
 	return RREG32(R600_AUDIO_STATUS_BITS) & 0xff;
 }
@@ -98,7 +98,7 @@ static uint8_t r600_audio_status_bits(struct radeon_device *rdev)
 /*
  * iec 60958 category code
  */
-static uint8_t r600_audio_category_code(struct radeon_device *rdev)
+uint8_t r600_audio_category_code(struct radeon_device *rdev)
 {
 	return (RREG32(R600_AUDIO_STATUS_BITS) >> 8) & 0xff;
 }
@@ -118,7 +118,7 @@ static void r600_audio_update_hdmi(unsigned long param)
 	uint8_t category_code = r600_audio_category_code(rdev);
 
 	struct drm_encoder *encoder;
-	int changes = 0;
+	int changes = 0, still_going = 0;
 
 	changes |= channels != rdev->audio_channels;
 	changes |= rate != rdev->audio_rate;
@@ -135,15 +135,17 @@ static void r600_audio_update_hdmi(unsigned long param)
 	}
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		if (changes || r600_hdmi_buffer_status_changed(encoder))
-			r600_hdmi_update_audio_settings(
-				encoder, channels,
-				rate, bps, status_bits,
-				category_code);
+		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+		if (radeon_encoder->audio_polling_active) {
+			still_going = 1;
+			if (changes || r600_hdmi_buffer_status_changed(encoder))
+				r600_hdmi_update_audio_settings(encoder);
+		}
 	}
 
-	mod_timer(&rdev->audio_timer,
-		jiffies + msecs_to_jiffies(AUDIO_TIMER_INTERVALL));
+	if(still_going)
+		mod_timer(&rdev->audio_timer,
+			jiffies + msecs_to_jiffies(AUDIO_TIMER_INTERVALL));
 }
 
 /*
@@ -176,11 +178,36 @@ int r600_audio_init(struct radeon_device *rdev)
 		r600_audio_update_hdmi,
 		(unsigned long)rdev);
 
-	mod_timer(&rdev->audio_timer, jiffies + 1);
-
 	return 0;
 }
 
+/*
+ * enable the polling timer, to check for status changes
+ */
+void r600_audio_enable_polling(struct drm_encoder *encoder)
+{
+	struct drm_device *dev = encoder->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+
+	DRM_DEBUG("r600_audio_enable_polling: %d", radeon_encoder->audio_polling_active);
+	if (radeon_encoder->audio_polling_active)
+		return;
+
+	radeon_encoder->audio_polling_active = 1;
+	mod_timer(&rdev->audio_timer, jiffies + 1);
+}
+
+/*
+ * disable the polling timer, so we get no more status updates
+ */
+void r600_audio_disable_polling(struct drm_encoder *encoder)
+{
+	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	DRM_DEBUG("r600_audio_disable_polling: %d", radeon_encoder->audio_polling_active);
+	radeon_encoder->audio_polling_active = 0;
+}
+
 /*
  * atach the audio codec to the clock source of the encoder
  */
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 2616b822ba6..d014472d0d3 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -353,17 +353,18 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
 /*
  * update settings with current parameters from audio engine
  */
-void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
-				     int channels,
-				     int rate,
-				     int bps,
-				     uint8_t status_bits,
-				     uint8_t category_code)
+void r600_hdmi_update_audio_settings(struct drm_encoder *encoder)
 {
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
 
+	int channels = r600_audio_channels(rdev);
+	int rate = r600_audio_rate(rdev);
+	int bps = r600_audio_bits_per_sample(rdev);
+	uint8_t status_bits = r600_audio_status_bits(rdev);
+	uint8_t category_code = r600_audio_category_code(rdev);
+
 	uint32_t iec;
 
 	if (!offset)
@@ -518,6 +519,8 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
 		}
 	}
 
+	r600_audio_enable_polling(encoder);
+
 	DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n",
 		radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
 }
@@ -539,6 +542,8 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
 		return;
 	}
 
+	r600_audio_disable_polling(encoder);
+
 	DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n",
 		radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index e9120985a65..42217af5814 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1327,18 +1327,20 @@ extern void r600_rlc_stop(struct radeon_device *rdev);
 extern int r600_audio_init(struct radeon_device *rdev);
 extern int r600_audio_tmds_index(struct drm_encoder *encoder);
 extern void r600_audio_set_clock(struct drm_encoder *encoder, int clock);
+extern int r600_audio_channels(struct radeon_device *rdev);
+extern int r600_audio_bits_per_sample(struct radeon_device *rdev);
+extern int r600_audio_rate(struct radeon_device *rdev);
+extern uint8_t r600_audio_status_bits(struct radeon_device *rdev);
+extern uint8_t r600_audio_category_code(struct radeon_device *rdev);
+extern void r600_audio_enable_polling(struct drm_encoder *encoder);
+extern void r600_audio_disable_polling(struct drm_encoder *encoder);
 extern void r600_audio_fini(struct radeon_device *rdev);
 extern void r600_hdmi_init(struct drm_encoder *encoder);
 extern void r600_hdmi_enable(struct drm_encoder *encoder);
 extern void r600_hdmi_disable(struct drm_encoder *encoder);
 extern void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
 extern int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder);
-extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
-					    int channels,
-					    int rate,
-					    int bps,
-					    uint8_t status_bits,
-					    uint8_t category_code);
+extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder);
 
 extern void r700_cp_stop(struct radeon_device *rdev);
 extern void r700_cp_fini(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 4a086c09e11..dd451c55c53 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -345,6 +345,7 @@ struct radeon_encoder {
 	enum radeon_rmx_type rmx_type;
 	struct drm_display_mode native_mode;
 	void *enc_priv;
+	int audio_polling_active;
 	int hdmi_offset;
 	int hdmi_config_offset;
 	int hdmi_audio_workaround;

From f2594933df9719bd2b0aaaa8ea9b2b850d6e1c42 Mon Sep 17 00:00:00 2001
From: Christian Koenig <deathsimple@vodafone.de>
Date: Sat, 10 Apr 2010 03:13:16 +0200
Subject: [PATCH 0505/3638] drm/radeon/kms: HDMI irq support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Implements irq support for HDMI audio output. Now the polling timer
is only enabled if irq support isn't available.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r600.c       | 33 +++++++++++++++++
 drivers/gpu/drm/radeon/r600_audio.c | 21 +++++++----
 drivers/gpu/drm/radeon/r600_hdmi.c  | 54 ++++++++++++++++-----------
 drivers/gpu/drm/radeon/r600_reg.h   | 57 +++++++++++++++--------------
 drivers/gpu/drm/radeon/radeon.h     |  3 ++
 5 files changed, 112 insertions(+), 56 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index c325cb12105..2ec423c3f3f 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2527,6 +2527,7 @@ int r600_irq_set(struct radeon_device *rdev)
 	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
 	u32 mode_int = 0;
 	u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
+	u32 hdmi1, hdmi2;
 
 	if (!rdev->irq.installed) {
 		WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
@@ -2540,7 +2541,9 @@ int r600_irq_set(struct radeon_device *rdev)
 		return 0;
 	}
 
+	hdmi1 = RREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
 	if (ASIC_IS_DCE3(rdev)) {
+		hdmi2 = RREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
 		hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
 		hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
 		hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
@@ -2550,6 +2553,7 @@ int r600_irq_set(struct radeon_device *rdev)
 			hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
 		}
 	} else {
+		hdmi2 = RREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
 		hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
 		hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
 		hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
@@ -2591,10 +2595,20 @@ int r600_irq_set(struct radeon_device *rdev)
 		DRM_DEBUG("r600_irq_set: hpd 6\n");
 		hpd6 |= DC_HPDx_INT_EN;
 	}
+	if (rdev->irq.hdmi[0]) {
+		DRM_DEBUG("r600_irq_set: hdmi 1\n");
+		hdmi1 |= R600_HDMI_INT_EN;
+	}
+	if (rdev->irq.hdmi[1]) {
+		DRM_DEBUG("r600_irq_set: hdmi 2\n");
+		hdmi2 |= R600_HDMI_INT_EN;
+	}
 
 	WREG32(CP_INT_CNTL, cp_int_cntl);
 	WREG32(DxMODE_INT_MASK, mode_int);
+	WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
 	if (ASIC_IS_DCE3(rdev)) {
+		WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2);
 		WREG32(DC_HPD1_INT_CONTROL, hpd1);
 		WREG32(DC_HPD2_INT_CONTROL, hpd2);
 		WREG32(DC_HPD3_INT_CONTROL, hpd3);
@@ -2604,6 +2618,7 @@ int r600_irq_set(struct radeon_device *rdev)
 			WREG32(DC_HPD6_INT_CONTROL, hpd6);
 		}
 	} else {
+		WREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, hdmi2);
 		WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
 		WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
 		WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
@@ -2687,6 +2702,18 @@ static inline void r600_irq_ack(struct radeon_device *rdev,
 			WREG32(DC_HPD6_INT_CONTROL, tmp);
 		}
 	}
+	if (RREG32(R600_HDMI_BLOCK1 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
+		WREG32_P(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
+	}
+	if (ASIC_IS_DCE3(rdev)) {
+		if (RREG32(R600_HDMI_BLOCK3 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
+			WREG32_P(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
+		}
+	} else {
+		if (RREG32(R600_HDMI_BLOCK2 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
+			WREG32_P(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
+		}
+	}
 }
 
 void r600_irq_disable(struct radeon_device *rdev)
@@ -2740,6 +2767,8 @@ static inline u32 r600_get_ih_wptr(struct radeon_device *rdev)
  *     19         1  FP Hot plug detection B
  *     19         2  DAC A auto-detection
  *     19         3  DAC B auto-detection
+ *     21         4  HDMI block A
+ *     21         5  HDMI block B
  *    176         -  CP_INT RB
  *    177         -  CP_INT IB1
  *    178         -  CP_INT IB2
@@ -2879,6 +2908,10 @@ restart_ih:
 				break;
 			}
 			break;
+		case 21: /* HDMI */
+			DRM_DEBUG("IH: HDMI: 0x%x\n", src_data);
+			r600_audio_schedule_polling(rdev);
+			break;
 		case 176: /* CP_INT in ring buffer */
 		case 177: /* CP_INT in IB1 */
 		case 178: /* CP_INT in IB2 */
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index ed8d3989f17..2b26553c352 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -103,6 +103,15 @@ uint8_t r600_audio_category_code(struct radeon_device *rdev)
 	return (RREG32(R600_AUDIO_STATUS_BITS) >> 8) & 0xff;
 }
 
+/*
+ * schedule next audio update event
+ */
+void r600_audio_schedule_polling(struct radeon_device *rdev)
+{
+	mod_timer(&rdev->audio_timer,
+		jiffies + msecs_to_jiffies(AUDIO_TIMER_INTERVALL));
+}
+
 /*
  * update all hdmi interfaces with current audio parameters
  */
@@ -136,16 +145,12 @@ static void r600_audio_update_hdmi(unsigned long param)
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-		if (radeon_encoder->audio_polling_active) {
-			still_going = 1;
-			if (changes || r600_hdmi_buffer_status_changed(encoder))
-				r600_hdmi_update_audio_settings(encoder);
-		}
+		still_going |= radeon_encoder->audio_polling_active;
+		if (changes || r600_hdmi_buffer_status_changed(encoder))
+			r600_hdmi_update_audio_settings(encoder);
 	}
 
-	if(still_going)
-		mod_timer(&rdev->audio_timer,
-			jiffies + msecs_to_jiffies(AUDIO_TIMER_INTERVALL));
+	if(still_going) r600_audio_schedule_polling(rdev);
 }
 
 /*
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index d014472d0d3..40b1aca6d1f 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -290,17 +290,15 @@ void r600_hdmi_audio_workaround(struct drm_encoder *encoder)
 	if (!offset)
 		return;
 
-	if (r600_hdmi_is_audio_buffer_filled(encoder)) {
-		/* disable audio workaround and start delivering of audio frames */
+	if (!radeon_encoder->hdmi_audio_workaround ||
+		r600_hdmi_is_audio_buffer_filled(encoder)) {
+
+		/* disable audio workaround */
 		WREG32_P(offset+R600_HDMI_CNTL, 0x00000001, ~0x00001001);
 
-	} else if (radeon_encoder->hdmi_audio_workaround) {
-		/* enable audio workaround and start delivering of audio frames */
-		WREG32_P(offset+R600_HDMI_CNTL, 0x00001001, ~0x00001001);
-
 	} else {
-		/* disable audio workaround and stop delivering of audio frames */
-		WREG32_P(offset+R600_HDMI_CNTL, 0x00000000, ~0x00001001);
+		/* enable audio workaround */
+		WREG32_P(offset+R600_HDMI_CNTL, 0x00001001, ~0x00001001);
 	}
 }
 
@@ -345,9 +343,6 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
 
 	/* audio packets per line, does anyone know how to calc this ? */
 	WREG32_P(offset+R600_HDMI_CNTL, 0x00040000, ~0x001F0000);
-
-	/* update? reset? don't realy know */
-	WREG32_P(offset+R600_HDMI_CNTL, 0x14000000, ~0x14000000);
 }
 
 /*
@@ -416,9 +411,6 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder)
 	r600_hdmi_audioinfoframe(encoder, channels-1, 0, 0, 0, 0, 0, 0, 0);
 
 	r600_hdmi_audio_workaround(encoder);
-
-	/* update? reset? don't realy know */
-	WREG32_P(offset+R600_HDMI_CNTL, 0x04000000, ~0x04000000);
 }
 
 static int r600_hdmi_find_free_block(struct drm_device *dev)
@@ -487,6 +479,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	uint32_t offset;
 
 	if (ASIC_IS_DCE4(rdev))
 		return;
@@ -500,10 +493,10 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
 		}
 	}
 
+	offset = radeon_encoder->hdmi_offset;
 	if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) {
 		WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0x1, ~0x1);
 	} else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
-		int offset = radeon_encoder->hdmi_offset;
 		switch (radeon_encoder->encoder_id) {
 		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
 			WREG32_P(AVIVO_TMDSA_CNTL, 0x4, ~0x4);
@@ -519,7 +512,20 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
 		}
 	}
 
-	r600_audio_enable_polling(encoder);
+	if (rdev->irq.installed
+	    && rdev->family != CHIP_RS600
+	    && rdev->family != CHIP_RS690
+	    && rdev->family != CHIP_RS740) {
+
+		/* if irq is available use it */
+		rdev->irq.hdmi[offset == R600_HDMI_BLOCK1 ? 0 : 1] = true;
+		radeon_irq_set(rdev);
+
+		r600_audio_disable_polling(encoder);
+	} else {
+		/* if not fallback to polling */
+		r600_audio_enable_polling(encoder);
+	}
 
 	DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n",
 		radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
@@ -533,24 +539,30 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	uint8_t offset;
 
 	if (ASIC_IS_DCE4(rdev))
 		return;
 
-	if (!radeon_encoder->hdmi_offset) {
+	offset = radeon_encoder->hdmi_offset;
+	if (!offset) {
 		dev_err(rdev->dev, "Disabling not enabled HDMI\n");
 		return;
 	}
 
-	r600_audio_disable_polling(encoder);
-
 	DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n",
-		radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
+		offset, radeon_encoder->encoder_id);
+
+	/* disable irq */
+	rdev->irq.hdmi[offset == R600_HDMI_BLOCK1 ? 0 : 1] = false;
+	radeon_irq_set(rdev);
+
+	/* disable polling */
+	r600_audio_disable_polling(encoder);
 
 	if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) {
 		WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0, ~0x1);
 	} else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
-		int offset = radeon_encoder->hdmi_offset;
 		switch (radeon_encoder->encoder_id) {
 		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
 			WREG32_P(AVIVO_TMDSA_CNTL, 0, ~0x4);
diff --git a/drivers/gpu/drm/radeon/r600_reg.h b/drivers/gpu/drm/radeon/r600_reg.h
index 7b1d22370f6..d84612ae47e 100644
--- a/drivers/gpu/drm/radeon/r600_reg.h
+++ b/drivers/gpu/drm/radeon/r600_reg.h
@@ -157,33 +157,36 @@
 #define R600_HDMI_BLOCK3                  0x7800
 
 /* HDMI registers */
-#define R600_HDMI_ENABLE           0x00
-#define R600_HDMI_STATUS           0x04
-#define R600_HDMI_CNTL             0x08
-#define R600_HDMI_UNKNOWN_0        0x0C
-#define R600_HDMI_AUDIOCNTL        0x10
-#define R600_HDMI_VIDEOCNTL        0x14
-#define R600_HDMI_VERSION          0x18
-#define R600_HDMI_UNKNOWN_1        0x28
-#define R600_HDMI_VIDEOINFOFRAME_0 0x54
-#define R600_HDMI_VIDEOINFOFRAME_1 0x58
-#define R600_HDMI_VIDEOINFOFRAME_2 0x5c
-#define R600_HDMI_VIDEOINFOFRAME_3 0x60
-#define R600_HDMI_32kHz_CTS        0xac
-#define R600_HDMI_32kHz_N          0xb0
-#define R600_HDMI_44_1kHz_CTS      0xb4
-#define R600_HDMI_44_1kHz_N        0xb8
-#define R600_HDMI_48kHz_CTS        0xbc
-#define R600_HDMI_48kHz_N          0xc0
-#define R600_HDMI_AUDIOINFOFRAME_0 0xcc
-#define R600_HDMI_AUDIOINFOFRAME_1 0xd0
-#define R600_HDMI_IEC60958_1       0xd4
-#define R600_HDMI_IEC60958_2       0xd8
-#define R600_HDMI_UNKNOWN_2        0xdc
-#define R600_HDMI_AUDIO_DEBUG_0    0xe0
-#define R600_HDMI_AUDIO_DEBUG_1    0xe4
-#define R600_HDMI_AUDIO_DEBUG_2    0xe8
-#define R600_HDMI_AUDIO_DEBUG_3    0xec
+#define R600_HDMI_ENABLE                0x00
+#define R600_HDMI_STATUS                0x04
+#       define R600_HDMI_INT_PENDING    (1 << 29)
+#define R600_HDMI_CNTL                  0x08
+#       define R600_HDMI_INT_EN         (1 << 28)
+#       define R600_HDMI_INT_ACK        (1 << 29)
+#define R600_HDMI_UNKNOWN_0             0x0C
+#define R600_HDMI_AUDIOCNTL             0x10
+#define R600_HDMI_VIDEOCNTL             0x14
+#define R600_HDMI_VERSION               0x18
+#define R600_HDMI_UNKNOWN_1             0x28
+#define R600_HDMI_VIDEOINFOFRAME_0      0x54
+#define R600_HDMI_VIDEOINFOFRAME_1      0x58
+#define R600_HDMI_VIDEOINFOFRAME_2      0x5c
+#define R600_HDMI_VIDEOINFOFRAME_3      0x60
+#define R600_HDMI_32kHz_CTS             0xac
+#define R600_HDMI_32kHz_N               0xb0
+#define R600_HDMI_44_1kHz_CTS           0xb4
+#define R600_HDMI_44_1kHz_N             0xb8
+#define R600_HDMI_48kHz_CTS             0xbc
+#define R600_HDMI_48kHz_N               0xc0
+#define R600_HDMI_AUDIOINFOFRAME_0      0xcc
+#define R600_HDMI_AUDIOINFOFRAME_1      0xd0
+#define R600_HDMI_IEC60958_1            0xd4
+#define R600_HDMI_IEC60958_2            0xd8
+#define R600_HDMI_UNKNOWN_2             0xdc
+#define R600_HDMI_AUDIO_DEBUG_0         0xe0
+#define R600_HDMI_AUDIO_DEBUG_1         0xe4
+#define R600_HDMI_AUDIO_DEBUG_2         0xe8
+#define R600_HDMI_AUDIO_DEBUG_3         0xec
 
 /* HDMI additional config base register addresses */
 #define R600_HDMI_CONFIG1                 0x7600
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 42217af5814..ab29d972a16 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -376,6 +376,8 @@ struct radeon_irq {
 	wait_queue_head_t	vblank_queue;
 	/* FIXME: use defines for max hpd/dacs */
 	bool            hpd[6];
+	/* FIXME: use defines for max HDMI blocks */
+	bool		hdmi[2];
 	spinlock_t sw_lock;
 	int sw_refcount;
 };
@@ -1332,6 +1334,7 @@ extern int r600_audio_bits_per_sample(struct radeon_device *rdev);
 extern int r600_audio_rate(struct radeon_device *rdev);
 extern uint8_t r600_audio_status_bits(struct radeon_device *rdev);
 extern uint8_t r600_audio_category_code(struct radeon_device *rdev);
+extern void r600_audio_schedule_polling(struct radeon_device *rdev);
 extern void r600_audio_enable_polling(struct drm_encoder *encoder);
 extern void r600_audio_disable_polling(struct drm_encoder *encoder);
 extern void r600_audio_fini(struct radeon_device *rdev);

From d943f2c82144b0fb8aaebfbc6659c02cc3340527 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Fri, 23 Apr 2010 06:49:43 +0200
Subject: [PATCH 0506/3638] arm/plat-mxc: Fix forgotten renaming in timer.c

Commit "mxc: Change gpt timer code to be more generic by using V2
instead of MX3" forgot to replace one occurence causing a build
failure.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Amit Kucheria <amit.kucheria@canonical.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/plat-mxc/time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c
index 714bdeffbe5..f9a1b059a76 100644
--- a/arch/arm/plat-mxc/time.c
+++ b/arch/arm/plat-mxc/time.c
@@ -102,7 +102,7 @@ static void gpt_irq_acknowledge(void)
 			__raw_writel(MX2_TSTAT_CAPT | MX2_TSTAT_COMP,
 				timer_base + MX1_2_TSTAT);
 	} else if (timer_is_v2())
-		__raw_writel(MX3_TSTAT_OF1, timer_base + MX3_TSTAT);
+		__raw_writel(V2_TSTAT_OF1, timer_base + V2_TSTAT);
 }
 
 static cycle_t mx1_2_get_cycles(struct clocksource *cs)

From 679613442f84702c06a80f2320cb8a50089200bc Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Sat, 13 Feb 2010 16:10:26 -0200
Subject: [PATCH 0507/3638] KVM: add doc note about PIO/MMIO completion API

Document that partially emulated instructions leave the guest state
inconsistent, and that the kernel will complete operations before
checking for pending signals.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/api.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index c6416a39816..beb444a9501 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -820,6 +820,13 @@ executed a memory-mapped I/O instruction which could not be satisfied
 by kvm.  The 'data' member contains the written data if 'is_write' is
 true, and should be filled by application code otherwise.
 
+NOTE: For KVM_EXIT_IO and KVM_EXIT_MMIO, the corresponding operations
+are complete (and guest state is consistent) only after userspace has
+re-entered the kernel with KVM_RUN.  The kernel side will first finish
+incomplete operations and then check for pending signals.  Userspace
+can re-enter the guest with an unmasked signal pending to complete
+pending operations.
+
 		/* KVM_EXIT_HYPERCALL */
 		struct {
 			__u64 nr;

From 89a27f4d0e042a2fa3391a76b652aec3e16ef200 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Tue, 16 Feb 2010 10:51:48 +0200
Subject: [PATCH 0508/3638] KVM: use desc_ptr struct instead of kvm private
 descriptor_table

x86 arch defines desc_ptr for idt/gdt pointers, no need to define
another structure in kvm code.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 17 +++++-------
 arch/x86/kvm/svm.c              | 28 ++++++++++----------
 arch/x86/kvm/vmx.c              | 36 +++++++++++++-------------
 arch/x86/kvm/x86.c              | 46 ++++++++++++++++-----------------
 4 files changed, 61 insertions(+), 66 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 06d9e79ca37..cf392dfb800 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -461,11 +461,6 @@ struct kvm_vcpu_stat {
 	u32 nmi_injections;
 };
 
-struct descriptor_table {
-	u16 limit;
-	unsigned long base;
-} __attribute__((packed));
-
 struct kvm_x86_ops {
 	int (*cpu_has_kvm_support)(void);          /* __init */
 	int (*disabled_by_bios)(void);             /* __init */
@@ -503,10 +498,10 @@ struct kvm_x86_ops {
 	void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);
 	void (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4);
 	void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer);
-	void (*get_idt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
-	void (*set_idt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
-	void (*get_gdt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
-	void (*set_gdt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
+	void (*get_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
+	void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
+	void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
+	void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
 	int (*get_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long *dest);
 	int (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value);
 	void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
@@ -724,12 +719,12 @@ static inline void kvm_load_ldt(u16 sel)
 	asm("lldt %0" : : "rm"(sel));
 }
 
-static inline void kvm_get_idt(struct descriptor_table *table)
+static inline void kvm_get_idt(struct desc_ptr *table)
 {
 	asm("sidt %0" : "=m"(*table));
 }
 
-static inline void kvm_get_gdt(struct descriptor_table *table)
+static inline void kvm_get_gdt(struct desc_ptr *table)
 {
 	asm("sgdt %0" : "=m"(*table));
 }
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2ba58206812..77fa2e3053b 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -319,7 +319,7 @@ static int svm_hardware_enable(void *garbage)
 
 	struct svm_cpu_data *sd;
 	uint64_t efer;
-	struct descriptor_table gdt_descr;
+	struct desc_ptr gdt_descr;
 	struct desc_struct *gdt;
 	int me = raw_smp_processor_id();
 
@@ -345,7 +345,7 @@ static int svm_hardware_enable(void *garbage)
 	sd->next_asid = sd->max_asid + 1;
 
 	kvm_get_gdt(&gdt_descr);
-	gdt = (struct desc_struct *)gdt_descr.base;
+	gdt = (struct desc_struct *)gdt_descr.address;
 	sd->tss_desc = (struct kvm_ldttss_desc *)(gdt + GDT_ENTRY_TSS);
 
 	wrmsrl(MSR_EFER, efer | EFER_SVME);
@@ -936,36 +936,36 @@ static int svm_get_cpl(struct kvm_vcpu *vcpu)
 	return save->cpl;
 }
 
-static void svm_get_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void svm_get_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	dt->limit = svm->vmcb->save.idtr.limit;
-	dt->base = svm->vmcb->save.idtr.base;
+	dt->size = svm->vmcb->save.idtr.limit;
+	dt->address = svm->vmcb->save.idtr.base;
 }
 
-static void svm_set_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void svm_set_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	svm->vmcb->save.idtr.limit = dt->limit;
-	svm->vmcb->save.idtr.base = dt->base ;
+	svm->vmcb->save.idtr.limit = dt->size;
+	svm->vmcb->save.idtr.base = dt->address ;
 }
 
-static void svm_get_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void svm_get_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	dt->limit = svm->vmcb->save.gdtr.limit;
-	dt->base = svm->vmcb->save.gdtr.base;
+	dt->size = svm->vmcb->save.gdtr.limit;
+	dt->address = svm->vmcb->save.gdtr.base;
 }
 
-static void svm_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void svm_set_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	svm->vmcb->save.gdtr.limit = dt->limit;
-	svm->vmcb->save.gdtr.base = dt->base ;
+	svm->vmcb->save.gdtr.limit = dt->size;
+	svm->vmcb->save.gdtr.base = dt->address ;
 }
 
 static void svm_decache_cr0_guest_bits(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index bc933cfb4e6..68f895b0045 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -600,11 +600,11 @@ static void reload_tss(void)
 	/*
 	 * VT restores TR but not its size.  Useless.
 	 */
-	struct descriptor_table gdt;
+	struct desc_ptr gdt;
 	struct desc_struct *descs;
 
 	kvm_get_gdt(&gdt);
-	descs = (void *)gdt.base;
+	descs = (void *)gdt.address;
 	descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
 	load_TR_desc();
 }
@@ -758,7 +758,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 	}
 
 	if (vcpu->cpu != cpu) {
-		struct descriptor_table dt;
+		struct desc_ptr dt;
 		unsigned long sysenter_esp;
 
 		vcpu->cpu = cpu;
@@ -768,7 +768,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 		 */
 		vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */
 		kvm_get_gdt(&dt);
-		vmcs_writel(HOST_GDTR_BASE, dt.base);   /* 22.2.4 */
+		vmcs_writel(HOST_GDTR_BASE, dt.address);   /* 22.2.4 */
 
 		rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp);
 		vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */
@@ -1934,28 +1934,28 @@ static void vmx_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l)
 	*l = (ar >> 13) & 1;
 }
 
-static void vmx_get_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void vmx_get_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
-	dt->limit = vmcs_read32(GUEST_IDTR_LIMIT);
-	dt->base = vmcs_readl(GUEST_IDTR_BASE);
+	dt->size = vmcs_read32(GUEST_IDTR_LIMIT);
+	dt->address = vmcs_readl(GUEST_IDTR_BASE);
 }
 
-static void vmx_set_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void vmx_set_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
-	vmcs_write32(GUEST_IDTR_LIMIT, dt->limit);
-	vmcs_writel(GUEST_IDTR_BASE, dt->base);
+	vmcs_write32(GUEST_IDTR_LIMIT, dt->size);
+	vmcs_writel(GUEST_IDTR_BASE, dt->address);
 }
 
-static void vmx_get_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void vmx_get_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
-	dt->limit = vmcs_read32(GUEST_GDTR_LIMIT);
-	dt->base = vmcs_readl(GUEST_GDTR_BASE);
+	dt->size = vmcs_read32(GUEST_GDTR_LIMIT);
+	dt->address = vmcs_readl(GUEST_GDTR_BASE);
 }
 
-static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
-	vmcs_write32(GUEST_GDTR_LIMIT, dt->limit);
-	vmcs_writel(GUEST_GDTR_BASE, dt->base);
+	vmcs_write32(GUEST_GDTR_LIMIT, dt->size);
+	vmcs_writel(GUEST_GDTR_BASE, dt->address);
 }
 
 static bool rmode_segment_valid(struct kvm_vcpu *vcpu, int seg)
@@ -2334,7 +2334,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
 	u32 junk;
 	u64 host_pat, tsc_this, tsc_base;
 	unsigned long a;
-	struct descriptor_table dt;
+	struct desc_ptr dt;
 	int i;
 	unsigned long kvm_vmx_return;
 	u32 exec_control;
@@ -2416,7 +2416,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
 	vmcs_write16(HOST_TR_SELECTOR, GDT_ENTRY_TSS*8);  /* 22.2.4 */
 
 	kvm_get_idt(&dt);
-	vmcs_writel(HOST_IDTR_BASE, dt.base);   /* 22.2.4 */
+	vmcs_writel(HOST_IDTR_BASE, dt.address);   /* 22.2.4 */
 
 	asm("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return));
 	vmcs_writel(HOST_RIP, kvm_vmx_return); /* 22.2.5 */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3c4ca98ad27..274a8e39bca 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -225,7 +225,7 @@ static void drop_user_return_notifiers(void *ignore)
 
 unsigned long segment_base(u16 selector)
 {
-	struct descriptor_table gdt;
+	struct desc_ptr gdt;
 	struct desc_struct *d;
 	unsigned long table_base;
 	unsigned long v;
@@ -234,7 +234,7 @@ unsigned long segment_base(u16 selector)
 		return 0;
 
 	kvm_get_gdt(&gdt);
-	table_base = gdt.base;
+	table_base = gdt.address;
 
 	if (selector & 4) {           /* from ldt */
 		u16 ldt_selector = kvm_read_ldt();
@@ -3949,14 +3949,14 @@ static u64 mk_cr_64(u64 curr_cr, u32 new_val)
 
 void realmode_lgdt(struct kvm_vcpu *vcpu, u16 limit, unsigned long base)
 {
-	struct descriptor_table dt = { limit, base };
+	struct desc_ptr dt = { limit, base };
 
 	kvm_x86_ops->set_gdt(vcpu, &dt);
 }
 
 void realmode_lidt(struct kvm_vcpu *vcpu, u16 limit, unsigned long base)
 {
-	struct descriptor_table dt = { limit, base };
+	struct desc_ptr dt = { limit, base };
 
 	kvm_x86_ops->set_idt(vcpu, &dt);
 }
@@ -4581,7 +4581,7 @@ EXPORT_SYMBOL_GPL(kvm_get_cs_db_l_bits);
 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
 				  struct kvm_sregs *sregs)
 {
-	struct descriptor_table dt;
+	struct desc_ptr dt;
 
 	vcpu_load(vcpu);
 
@@ -4596,11 +4596,11 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
 	kvm_get_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR);
 
 	kvm_x86_ops->get_idt(vcpu, &dt);
-	sregs->idt.limit = dt.limit;
-	sregs->idt.base = dt.base;
+	sregs->idt.limit = dt.size;
+	sregs->idt.base = dt.address;
 	kvm_x86_ops->get_gdt(vcpu, &dt);
-	sregs->gdt.limit = dt.limit;
-	sregs->gdt.base = dt.base;
+	sregs->gdt.limit = dt.size;
+	sregs->gdt.base = dt.address;
 
 	sregs->cr0 = kvm_read_cr0(vcpu);
 	sregs->cr2 = vcpu->arch.cr2;
@@ -4672,7 +4672,7 @@ static void seg_desct_to_kvm_desct(struct desc_struct *seg_desc, u16 selector,
 
 static void get_segment_descriptor_dtable(struct kvm_vcpu *vcpu,
 					  u16 selector,
-					  struct descriptor_table *dtable)
+					  struct desc_ptr *dtable)
 {
 	if (selector & 1 << 2) {
 		struct kvm_segment kvm_seg;
@@ -4680,10 +4680,10 @@ static void get_segment_descriptor_dtable(struct kvm_vcpu *vcpu,
 		kvm_get_segment(vcpu, &kvm_seg, VCPU_SREG_LDTR);
 
 		if (kvm_seg.unusable)
-			dtable->limit = 0;
+			dtable->size = 0;
 		else
-			dtable->limit = kvm_seg.limit;
-		dtable->base = kvm_seg.base;
+			dtable->size = kvm_seg.limit;
+		dtable->address = kvm_seg.base;
 	}
 	else
 		kvm_x86_ops->get_gdt(vcpu, dtable);
@@ -4693,7 +4693,7 @@ static void get_segment_descriptor_dtable(struct kvm_vcpu *vcpu,
 static int load_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
 					 struct desc_struct *seg_desc)
 {
-	struct descriptor_table dtable;
+	struct desc_ptr dtable;
 	u16 index = selector >> 3;
 	int ret;
 	u32 err;
@@ -4701,7 +4701,7 @@ static int load_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
 
 	get_segment_descriptor_dtable(vcpu, selector, &dtable);
 
-	if (dtable.limit < index * 8 + 7) {
+	if (dtable.size < index * 8 + 7) {
 		kvm_queue_exception_e(vcpu, GP_VECTOR, selector & 0xfffc);
 		return X86EMUL_PROPAGATE_FAULT;
 	}
@@ -4718,14 +4718,14 @@ static int load_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
 static int save_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
 					 struct desc_struct *seg_desc)
 {
-	struct descriptor_table dtable;
+	struct desc_ptr dtable;
 	u16 index = selector >> 3;
 
 	get_segment_descriptor_dtable(vcpu, selector, &dtable);
 
-	if (dtable.limit < index * 8 + 7)
+	if (dtable.size < index * 8 + 7)
 		return 1;
-	return kvm_write_guest_virt(dtable.base + index*8, seg_desc, sizeof(*seg_desc), vcpu, NULL);
+	return kvm_write_guest_virt(dtable.address + index*8, seg_desc, sizeof(*seg_desc), vcpu, NULL);
 }
 
 static gpa_t get_tss_base_addr_write(struct kvm_vcpu *vcpu,
@@ -5204,15 +5204,15 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 {
 	int mmu_reset_needed = 0;
 	int pending_vec, max_bits;
-	struct descriptor_table dt;
+	struct desc_ptr dt;
 
 	vcpu_load(vcpu);
 
-	dt.limit = sregs->idt.limit;
-	dt.base = sregs->idt.base;
+	dt.size = sregs->idt.limit;
+	dt.address = sregs->idt.base;
 	kvm_x86_ops->set_idt(vcpu, &dt);
-	dt.limit = sregs->gdt.limit;
-	dt.base = sregs->gdt.base;
+	dt.size = sregs->gdt.limit;
+	dt.address = sregs->gdt.base;
 	kvm_x86_ops->set_gdt(vcpu, &dt);
 
 	vcpu->arch.cr2 = sregs->cr2;

From 1161624f15f584096a0df3dda70403cd1d00721e Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 11 Feb 2010 14:43:14 +0200
Subject: [PATCH 0509/3638] KVM: inject #UD in 64bit mode from instruction that
 are not valid there

Some instruction are obsolete in a long mode. Inject #UD.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 4dade6ac082..96d4bef06e1 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1015,11 +1015,6 @@ done_prefixes:
 		}
 	}
 
-	if (mode == X86EMUL_MODE_PROT64 && (c->d & No64)) {
-		kvm_report_emulation_failure(ctxt->vcpu, "invalid x86/64 instruction");
-		return -1;
-	}
-
 	if (c->d & Group) {
 		group = c->d & GroupMask;
 		c->modrm = insn_fetch(u8, 1, c->eip);
@@ -1828,6 +1823,11 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	memcpy(c->regs, ctxt->vcpu->arch.regs, sizeof c->regs);
 	saved_eip = c->eip;
 
+	if (ctxt->mode == X86EMUL_MODE_PROT64 && (c->d & No64)) {
+		kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+		goto done;
+	}
+
 	/* LOCK prefix is allowed only with some instructions */
 	if (c->lock_prefix && !(c->d & Lock)) {
 		kvm_queue_exception(ctxt->vcpu, UD_VECTOR);

From 3e2815e9fa6c06bcb8a9340e43008bbe48437d25 Mon Sep 17 00:00:00 2001
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Fri, 12 Feb 2010 15:53:59 +0900
Subject: [PATCH 0510/3638] KVM: x86 emulator: X86EMUL macro replacements: from
 do_fetch_insn_byte() to x86_decode_insn()

This patch just replaces the integer values used inside x86's
decode functions to X86EMUL_*.

By this patch, it becomes clearer that we are using X86EMUL_*
value propagated from ops->read_std() in do_fetch_insn_byte().

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 96d4bef06e1..b8aed35ab5f 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -647,20 +647,20 @@ static int do_fetch_insn_byte(struct x86_emulate_ctxt *ctxt,
 	if (linear < fc->start || linear >= fc->end) {
 		size = min(15UL, PAGE_SIZE - offset_in_page(linear));
 		rc = ops->fetch(linear, fc->data, size, ctxt->vcpu, NULL);
-		if (rc)
+		if (rc != X86EMUL_CONTINUE)
 			return rc;
 		fc->start = linear;
 		fc->end = linear + size;
 	}
 	*dest = fc->data[linear - fc->start];
-	return 0;
+	return X86EMUL_CONTINUE;
 }
 
 static int do_insn_fetch(struct x86_emulate_ctxt *ctxt,
 			 struct x86_emulate_ops *ops,
 			 unsigned long eip, void *dest, unsigned size)
 {
-	int rc = 0;
+	int rc;
 
 	/* x86 instructions are limited to 15 bytes. */
 	if (eip + size - ctxt->decode.eip_orig > 15)
@@ -668,10 +668,10 @@ static int do_insn_fetch(struct x86_emulate_ctxt *ctxt,
 	eip += ctxt->cs_base;
 	while (size--) {
 		rc = do_fetch_insn_byte(ctxt, ops, eip++, dest++);
-		if (rc)
+		if (rc != X86EMUL_CONTINUE)
 			return rc;
 	}
-	return 0;
+	return X86EMUL_CONTINUE;
 }
 
 /*
@@ -782,7 +782,7 @@ static int decode_modrm(struct x86_emulate_ctxt *ctxt,
 	struct decode_cache *c = &ctxt->decode;
 	u8 sib;
 	int index_reg = 0, base_reg = 0, scale;
-	int rc = 0;
+	int rc = X86EMUL_CONTINUE;
 
 	if (c->rex_prefix) {
 		c->modrm_reg = (c->rex_prefix & 4) << 1;	/* REX.R */
@@ -895,7 +895,7 @@ static int decode_abs(struct x86_emulate_ctxt *ctxt,
 		      struct x86_emulate_ops *ops)
 {
 	struct decode_cache *c = &ctxt->decode;
-	int rc = 0;
+	int rc = X86EMUL_CONTINUE;
 
 	switch (c->ad_bytes) {
 	case 2:
@@ -916,7 +916,7 @@ int
 x86_decode_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 {
 	struct decode_cache *c = &ctxt->decode;
-	int rc = 0;
+	int rc = X86EMUL_CONTINUE;
 	int mode = ctxt->mode;
 	int def_op_bytes, def_ad_bytes, group;
 
@@ -1041,7 +1041,7 @@ done_prefixes:
 		rc = decode_modrm(ctxt, ops);
 	else if (c->d & MemAbs)
 		rc = decode_abs(ctxt, ops);
-	if (rc)
+	if (rc != X86EMUL_CONTINUE)
 		goto done;
 
 	if (!c->has_seg_override)

From 1b30eaa84609031c06e417eafd5b68f45e4266f7 Mon Sep 17 00:00:00 2001
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Fri, 12 Feb 2010 15:57:56 +0900
Subject: [PATCH 0511/3638] KVM: x86 emulator: X86EMUL macro replacements:
 x86_emulate_insn() and its helpers

This patch just replaces integer values used inside
x86_emulate_insn() and its helper functions to X86EMUL_*.

The purpose of this is to make it clear what will happen
when the variable rc is compared to X86EMUL_* at the end
of x86_emulate_insn().

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c | 62 ++++++++++++++++++++----------------------
 1 file changed, 29 insertions(+), 33 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b8aed35ab5f..ee1a2a2c12e 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -702,7 +702,7 @@ static int read_descriptor(struct x86_emulate_ctxt *ctxt,
 	*address = 0;
 	rc = ops->read_std((unsigned long)ptr, (unsigned long *)size, 2,
 			   ctxt->vcpu, NULL);
-	if (rc)
+	if (rc != X86EMUL_CONTINUE)
 		return rc;
 	rc = ops->read_std((unsigned long)ptr + 2, address, op_bytes,
 			   ctxt->vcpu, NULL);
@@ -1301,7 +1301,7 @@ static int emulate_pop_sreg(struct x86_emulate_ctxt *ctxt,
 	int rc;
 
 	rc = emulate_pop(ctxt, ops, &selector, c->op_bytes);
-	if (rc != 0)
+	if (rc != X86EMUL_CONTINUE)
 		return rc;
 
 	rc = kvm_load_segment_descriptor(ctxt->vcpu, (u16)selector, seg);
@@ -1327,7 +1327,7 @@ static int emulate_popa(struct x86_emulate_ctxt *ctxt,
 			struct x86_emulate_ops *ops)
 {
 	struct decode_cache *c = &ctxt->decode;
-	int rc = 0;
+	int rc = X86EMUL_CONTINUE;
 	int reg = VCPU_REGS_RDI;
 
 	while (reg >= VCPU_REGS_RAX) {
@@ -1338,7 +1338,7 @@ static int emulate_popa(struct x86_emulate_ctxt *ctxt,
 		}
 
 		rc = emulate_pop(ctxt, ops, &c->regs[reg], c->op_bytes);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			break;
 		--reg;
 	}
@@ -1349,12 +1349,8 @@ static inline int emulate_grp1a(struct x86_emulate_ctxt *ctxt,
 				struct x86_emulate_ops *ops)
 {
 	struct decode_cache *c = &ctxt->decode;
-	int rc;
 
-	rc = emulate_pop(ctxt, ops, &c->dst.val, c->dst.bytes);
-	if (rc != 0)
-		return rc;
-	return 0;
+	return emulate_pop(ctxt, ops, &c->dst.val, c->dst.bytes);
 }
 
 static inline void emulate_grp2(struct x86_emulate_ctxt *ctxt)
@@ -1390,7 +1386,7 @@ static inline int emulate_grp3(struct x86_emulate_ctxt *ctxt,
 			       struct x86_emulate_ops *ops)
 {
 	struct decode_cache *c = &ctxt->decode;
-	int rc = 0;
+	int rc = X86EMUL_CONTINUE;
 
 	switch (c->modrm_reg) {
 	case 0 ... 1:	/* test */
@@ -1437,7 +1433,7 @@ static inline int emulate_grp45(struct x86_emulate_ctxt *ctxt,
 		emulate_push(ctxt);
 		break;
 	}
-	return 0;
+	return X86EMUL_CONTINUE;
 }
 
 static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
@@ -1468,7 +1464,7 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
 			return rc;
 		ctxt->eflags |= EFLG_ZF;
 	}
-	return 0;
+	return X86EMUL_CONTINUE;
 }
 
 static int emulate_ret_far(struct x86_emulate_ctxt *ctxt,
@@ -1479,12 +1475,12 @@ static int emulate_ret_far(struct x86_emulate_ctxt *ctxt,
 	unsigned long cs;
 
 	rc = emulate_pop(ctxt, ops, &c->eip, c->op_bytes);
-	if (rc)
+	if (rc != X86EMUL_CONTINUE)
 		return rc;
 	if (c->op_bytes == 4)
 		c->eip = (u32)c->eip;
 	rc = emulate_pop(ctxt, ops, &cs, c->op_bytes);
-	if (rc)
+	if (rc != X86EMUL_CONTINUE)
 		return rc;
 	rc = kvm_load_segment_descriptor(ctxt->vcpu, (u16)cs, VCPU_SREG_CS);
 	return rc;
@@ -1539,7 +1535,7 @@ static inline int writeback(struct x86_emulate_ctxt *ctxt,
 	default:
 		break;
 	}
-	return 0;
+	return X86EMUL_CONTINUE;
 }
 
 static void toggle_interruptibility(struct x86_emulate_ctxt *ctxt, u32 mask)
@@ -1811,7 +1807,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	struct decode_cache *c = &ctxt->decode;
 	unsigned int port;
 	int io_dir_in;
-	int rc = 0;
+	int rc = X86EMUL_CONTINUE;
 
 	ctxt->interruptibility = 0;
 
@@ -1926,7 +1922,7 @@ special_insn:
 		break;
 	case 0x07:		/* pop es */
 		rc = emulate_pop_sreg(ctxt, ops, VCPU_SREG_ES);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0x08 ... 0x0d:
@@ -1945,7 +1941,7 @@ special_insn:
 		break;
 	case 0x17:		/* pop ss */
 		rc = emulate_pop_sreg(ctxt, ops, VCPU_SREG_SS);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0x18 ... 0x1d:
@@ -1957,7 +1953,7 @@ special_insn:
 		break;
 	case 0x1f:		/* pop ds */
 		rc = emulate_pop_sreg(ctxt, ops, VCPU_SREG_DS);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0x20 ... 0x25:
@@ -1988,7 +1984,7 @@ special_insn:
 	case 0x58 ... 0x5f: /* pop reg */
 	pop_instruction:
 		rc = emulate_pop(ctxt, ops, &c->dst.val, c->op_bytes);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0x60:	/* pusha */
@@ -1996,7 +1992,7 @@ special_insn:
 		break;
 	case 0x61:	/* popa */
 		rc = emulate_popa(ctxt, ops);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0x63:		/* movsxd */
@@ -2141,7 +2137,7 @@ special_insn:
 	}
 	case 0x8f:		/* pop (sole member of Grp1a) */
 		rc = emulate_grp1a(ctxt, ops);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0x90: /* nop / xchg r8,rax */
@@ -2277,7 +2273,7 @@ special_insn:
 		break;
 	case 0xcb:		/* ret far */
 		rc = emulate_ret_far(ctxt, ops);
-		if (rc)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0xd0 ... 0xd1:	/* Grp2 */
@@ -2351,7 +2347,7 @@ special_insn:
 		break;
 	case 0xf6 ... 0xf7:	/* Grp3 */
 		rc = emulate_grp3(ctxt, ops);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0xf8: /* clc */
@@ -2385,14 +2381,14 @@ special_insn:
 		break;
 	case 0xfe ... 0xff:	/* Grp4/Grp5 */
 		rc = emulate_grp45(ctxt, ops);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	}
 
 writeback:
 	rc = writeback(ctxt, ops);
-	if (rc != 0)
+	if (rc != X86EMUL_CONTINUE)
 		goto done;
 
 	/* Commit shadow register state. */
@@ -2418,7 +2414,7 @@ twobyte_insn:
 				goto cannot_emulate;
 
 			rc = kvm_fix_hypercall(ctxt->vcpu);
-			if (rc)
+			if (rc != X86EMUL_CONTINUE)
 				goto done;
 
 			/* Let the processor re-execute the fixed hypercall */
@@ -2429,7 +2425,7 @@ twobyte_insn:
 		case 2: /* lgdt */
 			rc = read_descriptor(ctxt, ops, c->src.ptr,
 					     &size, &address, c->op_bytes);
-			if (rc)
+			if (rc != X86EMUL_CONTINUE)
 				goto done;
 			realmode_lgdt(ctxt->vcpu, size, address);
 			/* Disable writeback. */
@@ -2440,7 +2436,7 @@ twobyte_insn:
 				switch (c->modrm_rm) {
 				case 1:
 					rc = kvm_fix_hypercall(ctxt->vcpu);
-					if (rc)
+					if (rc != X86EMUL_CONTINUE)
 						goto done;
 					break;
 				default:
@@ -2450,7 +2446,7 @@ twobyte_insn:
 				rc = read_descriptor(ctxt, ops, c->src.ptr,
 						     &size, &address,
 						     c->op_bytes);
-				if (rc)
+				if (rc != X86EMUL_CONTINUE)
 					goto done;
 				realmode_lidt(ctxt->vcpu, size, address);
 			}
@@ -2577,7 +2573,7 @@ twobyte_insn:
 		break;
 	case 0xa1:	 /* pop fs */
 		rc = emulate_pop_sreg(ctxt, ops, VCPU_SREG_FS);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0xa3:
@@ -2596,7 +2592,7 @@ twobyte_insn:
 		break;
 	case 0xa9:	/* pop gs */
 		rc = emulate_pop_sreg(ctxt, ops, VCPU_SREG_GS);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
 	case 0xab:
@@ -2669,7 +2665,7 @@ twobyte_insn:
 		break;
 	case 0xc7:		/* Grp9 (cmpxchg8b) */
 		rc = emulate_grp9(ctxt, ops, memop);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		c->dst.type = OP_NONE;
 		break;

From 0e4176a15f9af494ad098cb5a76bcfa17e14282b Mon Sep 17 00:00:00 2001
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Fri, 12 Feb 2010 16:00:55 +0900
Subject: [PATCH 0512/3638] KVM: x86 emulator: Fix x86_emulate_insn() not to
 use the variable rc for non-X86EMUL values

This patch makes non-X86EMUL_* family functions not to use
the variable rc.

Be sure that this changes nothing but makes the purpose of
the variable rc clearer.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index ee1a2a2c12e..35f7acd4a91 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2498,9 +2498,9 @@ twobyte_insn:
 	case 0x21: /* mov from dr to reg */
 		if (c->modrm_mod != 3)
 			goto cannot_emulate;
-		rc = emulator_get_dr(ctxt, c->modrm_reg, &c->regs[c->modrm_rm]);
-		if (rc)
+		if (emulator_get_dr(ctxt, c->modrm_reg, &c->regs[c->modrm_rm]))
 			goto cannot_emulate;
+		rc = X86EMUL_CONTINUE;
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;
 	case 0x22: /* mov reg, cr */
@@ -2513,18 +2513,16 @@ twobyte_insn:
 	case 0x23: /* mov from reg to dr */
 		if (c->modrm_mod != 3)
 			goto cannot_emulate;
-		rc = emulator_set_dr(ctxt, c->modrm_reg,
-				     c->regs[c->modrm_rm]);
-		if (rc)
+		if (emulator_set_dr(ctxt, c->modrm_reg, c->regs[c->modrm_rm]))
 			goto cannot_emulate;
+		rc = X86EMUL_CONTINUE;
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;
 	case 0x30:
 		/* wrmsr */
 		msr_data = (u32)c->regs[VCPU_REGS_RAX]
 			| ((u64)c->regs[VCPU_REGS_RDX] << 32);
-		rc = kvm_set_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], msr_data);
-		if (rc) {
+		if (kvm_set_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], msr_data)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
 			c->eip = kvm_rip_read(ctxt->vcpu);
 		}
@@ -2533,8 +2531,7 @@ twobyte_insn:
 		break;
 	case 0x32:
 		/* rdmsr */
-		rc = kvm_get_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], &msr_data);
-		if (rc) {
+		if (kvm_get_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], &msr_data)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
 			c->eip = kvm_rip_read(ctxt->vcpu);
 		} else {

From ad91f8ffbb18413e79f9f976a55b4e11d02e6a6d Mon Sep 17 00:00:00 2001
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Fri, 12 Feb 2010 16:02:54 +0900
Subject: [PATCH 0513/3638] KVM: remove redundant prototype of load_pdptrs()

This patch removes redundant prototype of load_pdptrs().

I found load_pdptrs() twice in kvm_host.h. Let's remove one.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index cf392dfb800..d46e791de12 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -670,7 +670,6 @@ void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva);
 void kvm_enable_tdp(void);
 void kvm_disable_tdp(void);
 
-int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
 int complete_pio(struct kvm_vcpu *vcpu);
 bool kvm_check_iopl(struct kvm_vcpu *vcpu);
 

From 7597f129d8b6799da7a264e6d6f7401668d3a36d Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:00 +0100
Subject: [PATCH 0514/3638] KVM: SVM: Don't use kmap_atomic in nested_svm_map

Use of kmap_atomic disables preemption but if we run in
shadow-shadow mode the vmrun emulation executes kvm_set_cr3
which might sleep or fault. So use kmap instead for
nested_svm_map.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 47 +++++++++++++++++++++++-----------------------
 1 file changed, 24 insertions(+), 23 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 77fa2e3053b..f9da35b06ec 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1423,7 +1423,7 @@ static inline int nested_svm_intr(struct vcpu_svm *svm)
 	return 0;
 }
 
-static void *nested_svm_map(struct vcpu_svm *svm, u64 gpa, enum km_type idx)
+static void *nested_svm_map(struct vcpu_svm *svm, u64 gpa, struct page **_page)
 {
 	struct page *page;
 
@@ -1431,7 +1431,9 @@ static void *nested_svm_map(struct vcpu_svm *svm, u64 gpa, enum km_type idx)
 	if (is_error_page(page))
 		goto error;
 
-	return kmap_atomic(page, idx);
+	*_page = page;
+
+	return kmap(page);
 
 error:
 	kvm_release_page_clean(page);
@@ -1440,16 +1442,9 @@ error:
 	return NULL;
 }
 
-static void nested_svm_unmap(void *addr, enum km_type idx)
+static void nested_svm_unmap(struct page *page)
 {
-	struct page *page;
-
-	if (!addr)
-		return;
-
-	page = kmap_atomic_to_page(addr);
-
-	kunmap_atomic(addr, idx);
+	kunmap(page);
 	kvm_release_page_dirty(page);
 }
 
@@ -1457,6 +1452,7 @@ static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 {
 	u32 param = svm->vmcb->control.exit_info_1 & 1;
 	u32 msr = svm->vcpu.arch.regs[VCPU_REGS_RCX];
+	struct page *page;
 	bool ret = false;
 	u32 t0, t1;
 	u8 *msrpm;
@@ -1464,7 +1460,7 @@ static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 	if (!(svm->nested.intercept & (1ULL << INTERCEPT_MSR_PROT)))
 		return false;
 
-	msrpm = nested_svm_map(svm, svm->nested.vmcb_msrpm, KM_USER0);
+	msrpm = nested_svm_map(svm, svm->nested.vmcb_msrpm, &page);
 
 	if (!msrpm)
 		goto out;
@@ -1492,7 +1488,7 @@ static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 	ret = msrpm[t1] & ((1 << param) << t0);
 
 out:
-	nested_svm_unmap(msrpm, KM_USER0);
+	nested_svm_unmap(page);
 
 	return ret;
 }
@@ -1615,6 +1611,7 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 	struct vmcb *nested_vmcb;
 	struct vmcb *hsave = svm->nested.hsave;
 	struct vmcb *vmcb = svm->vmcb;
+	struct page *page;
 
 	trace_kvm_nested_vmexit_inject(vmcb->control.exit_code,
 				       vmcb->control.exit_info_1,
@@ -1622,7 +1619,7 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 				       vmcb->control.exit_int_info,
 				       vmcb->control.exit_int_info_err);
 
-	nested_vmcb = nested_svm_map(svm, svm->nested.vmcb, KM_USER0);
+	nested_vmcb = nested_svm_map(svm, svm->nested.vmcb, &page);
 	if (!nested_vmcb)
 		return 1;
 
@@ -1712,7 +1709,7 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 	/* Exit nested SVM mode */
 	svm->nested.vmcb = 0;
 
-	nested_svm_unmap(nested_vmcb, KM_USER0);
+	nested_svm_unmap(page);
 
 	kvm_mmu_reset_context(&svm->vcpu);
 	kvm_mmu_load(&svm->vcpu);
@@ -1723,9 +1720,10 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
 {
 	u32 *nested_msrpm;
+	struct page *page;
 	int i;
 
-	nested_msrpm = nested_svm_map(svm, svm->nested.vmcb_msrpm, KM_USER0);
+	nested_msrpm = nested_svm_map(svm, svm->nested.vmcb_msrpm, &page);
 	if (!nested_msrpm)
 		return false;
 
@@ -1734,7 +1732,7 @@ static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
 
 	svm->vmcb->control.msrpm_base_pa = __pa(svm->nested.msrpm);
 
-	nested_svm_unmap(nested_msrpm, KM_USER0);
+	nested_svm_unmap(page);
 
 	return true;
 }
@@ -1744,8 +1742,9 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	struct vmcb *nested_vmcb;
 	struct vmcb *hsave = svm->nested.hsave;
 	struct vmcb *vmcb = svm->vmcb;
+	struct page *page;
 
-	nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, KM_USER0);
+	nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, &page);
 	if (!nested_vmcb)
 		return false;
 
@@ -1857,7 +1856,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	svm->vmcb->control.event_inj = nested_vmcb->control.event_inj;
 	svm->vmcb->control.event_inj_err = nested_vmcb->control.event_inj_err;
 
-	nested_svm_unmap(nested_vmcb, KM_USER0);
+	nested_svm_unmap(page);
 
 	enable_gif(svm);
 
@@ -1883,6 +1882,7 @@ static void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb)
 static int vmload_interception(struct vcpu_svm *svm)
 {
 	struct vmcb *nested_vmcb;
+	struct page *page;
 
 	if (nested_svm_check_permissions(svm))
 		return 1;
@@ -1890,12 +1890,12 @@ static int vmload_interception(struct vcpu_svm *svm)
 	svm->next_rip = kvm_rip_read(&svm->vcpu) + 3;
 	skip_emulated_instruction(&svm->vcpu);
 
-	nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, KM_USER0);
+	nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, &page);
 	if (!nested_vmcb)
 		return 1;
 
 	nested_svm_vmloadsave(nested_vmcb, svm->vmcb);
-	nested_svm_unmap(nested_vmcb, KM_USER0);
+	nested_svm_unmap(page);
 
 	return 1;
 }
@@ -1903,6 +1903,7 @@ static int vmload_interception(struct vcpu_svm *svm)
 static int vmsave_interception(struct vcpu_svm *svm)
 {
 	struct vmcb *nested_vmcb;
+	struct page *page;
 
 	if (nested_svm_check_permissions(svm))
 		return 1;
@@ -1910,12 +1911,12 @@ static int vmsave_interception(struct vcpu_svm *svm)
 	svm->next_rip = kvm_rip_read(&svm->vcpu) + 3;
 	skip_emulated_instruction(&svm->vcpu);
 
-	nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, KM_USER0);
+	nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, &page);
 	if (!nested_vmcb)
 		return 1;
 
 	nested_svm_vmloadsave(svm->vmcb, nested_vmcb);
-	nested_svm_unmap(nested_vmcb, KM_USER0);
+	nested_svm_unmap(page);
 
 	return 1;
 }

From b8e88bc8ffba5fe53fb8d8a0a4be3bbcffeebe56 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:02 +0100
Subject: [PATCH 0515/3638] KVM: SVM: Fix schedule-while-atomic on nested
 exception handling

Move the actual vmexit routine out of code that runs with
irqs and preemption disabled.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index f9da35b06ec..c27da0ad040 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -129,6 +129,7 @@ static void svm_flush_tlb(struct kvm_vcpu *vcpu);
 static void svm_complete_interrupts(struct vcpu_svm *svm);
 
 static int nested_svm_exit_handled(struct vcpu_svm *svm);
+static int nested_svm_intercept(struct vcpu_svm *svm);
 static int nested_svm_vmexit(struct vcpu_svm *svm);
 static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
 				      bool has_error_code, u32 error_code);
@@ -1384,6 +1385,8 @@ static int nested_svm_check_permissions(struct vcpu_svm *svm)
 static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
 				      bool has_error_code, u32 error_code)
 {
+	int vmexit;
+
 	if (!is_nested(svm))
 		return 0;
 
@@ -1392,7 +1395,11 @@ static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
 	svm->vmcb->control.exit_info_1 = error_code;
 	svm->vmcb->control.exit_info_2 = svm->vcpu.arch.cr2;
 
-	return nested_svm_exit_handled(svm);
+	vmexit = nested_svm_intercept(svm);
+	if (vmexit == NESTED_EXIT_DONE)
+		svm->nested.exit_required = true;
+
+	return vmexit;
 }
 
 static inline int nested_svm_intr(struct vcpu_svm *svm)
@@ -1521,7 +1528,7 @@ static int nested_svm_exit_special(struct vcpu_svm *svm)
 /*
  * If this function returns true, this #vmexit was already handled
  */
-static int nested_svm_exit_handled(struct vcpu_svm *svm)
+static int nested_svm_intercept(struct vcpu_svm *svm)
 {
 	u32 exit_code = svm->vmcb->control.exit_code;
 	int vmexit = NESTED_EXIT_HOST;
@@ -1567,9 +1574,17 @@ static int nested_svm_exit_handled(struct vcpu_svm *svm)
 	}
 	}
 
-	if (vmexit == NESTED_EXIT_DONE) {
+	return vmexit;
+}
+
+static int nested_svm_exit_handled(struct vcpu_svm *svm)
+{
+	int vmexit;
+
+	vmexit = nested_svm_intercept(svm);
+
+	if (vmexit == NESTED_EXIT_DONE)
 		nested_svm_vmexit(svm);
-	}
 
 	return vmexit;
 }

From cdbbdc1210223879450555fee04c29ebf116576b Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:03 +0100
Subject: [PATCH 0516/3638] KVM: SVM: Sync all control registers on nested
 vmexit

Currently the vmexit emulation does not sync control
registers were the access is typically intercepted by the
nested hypervisor. But we can not count on that intercepts
to sync these registers too and make the code
architecturally more correct.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index c27da0ad040..02f8d491d15 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1647,9 +1647,13 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 	nested_vmcb->save.ds     = vmcb->save.ds;
 	nested_vmcb->save.gdtr   = vmcb->save.gdtr;
 	nested_vmcb->save.idtr   = vmcb->save.idtr;
+	nested_vmcb->save.cr0    = kvm_read_cr0(&svm->vcpu);
 	if (npt_enabled)
 		nested_vmcb->save.cr3    = vmcb->save.cr3;
+	else
+		nested_vmcb->save.cr3    = svm->vcpu.arch.cr3;
 	nested_vmcb->save.cr2    = vmcb->save.cr2;
+	nested_vmcb->save.cr4    = svm->vcpu.arch.cr4;
 	nested_vmcb->save.rflags = vmcb->save.rflags;
 	nested_vmcb->save.rip    = vmcb->save.rip;
 	nested_vmcb->save.rsp    = vmcb->save.rsp;

From 6c3bd3d7660c35a703073b81eccfd5a3b7c15295 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:04 +0100
Subject: [PATCH 0517/3638] KVM: SVM: Annotate nested_svm_map with
 might_sleep()

The nested_svm_map() function can sleep and must not be
called from atomic context. So annotate that function.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 02f8d491d15..4bc018333d7 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1434,6 +1434,8 @@ static void *nested_svm_map(struct vcpu_svm *svm, u64 gpa, struct page **_page)
 {
 	struct page *page;
 
+	might_sleep();
+
 	page = gfn_to_page(svm->vcpu.kvm, gpa >> PAGE_SHIFT);
 	if (is_error_page(page))
 		goto error;

From 4c7da8cb43c09e71a405b5aeaa58a1dbac3c39e9 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:05 +0100
Subject: [PATCH 0518/3638] KVM: SVM: Fix nested msr intercept handling

The nested_svm_exit_handled_msr() function maps only one
page of the guests msr permission bitmap. This patch changes
the code to use kvm_read_guest to fix the bug.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 4bc018333d7..4459c477af9 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1461,19 +1461,13 @@ static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 {
 	u32 param = svm->vmcb->control.exit_info_1 & 1;
 	u32 msr = svm->vcpu.arch.regs[VCPU_REGS_RCX];
-	struct page *page;
 	bool ret = false;
 	u32 t0, t1;
-	u8 *msrpm;
+	u8 val;
 
 	if (!(svm->nested.intercept & (1ULL << INTERCEPT_MSR_PROT)))
 		return false;
 
-	msrpm = nested_svm_map(svm, svm->nested.vmcb_msrpm, &page);
-
-	if (!msrpm)
-		goto out;
-
 	switch (msr) {
 	case 0 ... 0x1fff:
 		t0 = (msr * 2) % 8;
@@ -1494,11 +1488,10 @@ static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 		goto out;
 	}
 
-	ret = msrpm[t1] & ((1 << param) << t0);
+	if (!kvm_read_guest(svm->vcpu.kvm, svm->nested.vmcb_msrpm + t1, &val, 1))
+		ret = val & ((1 << param) << t0);
 
 out:
-	nested_svm_unmap(page);
-
 	return ret;
 }
 

From 88ab24adc7142506c8583ac36a34fa388300b750 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:06 +0100
Subject: [PATCH 0519/3638] KVM: SVM: Don't sync nested cr8 to lapic and back

This patch makes syncing of the guest tpr to the lapic
conditional on !nested. Otherwise a nested guest using the
TPR could freeze the guest.
Another important change this patch introduces is that the
cr8 intercept bits are no longer ORed at vmrun emulation if
the guest sets VINTR_MASKING in its VMCB. The reason is that
nested cr8 accesses need alway be handled by the nested
hypervisor because they change the shadow version of the
tpr.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 46 +++++++++++++++++++++++++++++++---------------
 1 file changed, 31 insertions(+), 15 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 4459c477af9..481bd0ee5f7 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1832,21 +1832,6 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	svm->vmcb->save.dr6 = nested_vmcb->save.dr6;
 	svm->vmcb->save.cpl = nested_vmcb->save.cpl;
 
-	/* We don't want a nested guest to be more powerful than the guest,
-	   so all intercepts are ORed */
-	svm->vmcb->control.intercept_cr_read |=
-		nested_vmcb->control.intercept_cr_read;
-	svm->vmcb->control.intercept_cr_write |=
-		nested_vmcb->control.intercept_cr_write;
-	svm->vmcb->control.intercept_dr_read |=
-		nested_vmcb->control.intercept_dr_read;
-	svm->vmcb->control.intercept_dr_write |=
-		nested_vmcb->control.intercept_dr_write;
-	svm->vmcb->control.intercept_exceptions |=
-		nested_vmcb->control.intercept_exceptions;
-
-	svm->vmcb->control.intercept |= nested_vmcb->control.intercept;
-
 	svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa;
 
 	/* cache intercepts */
@@ -1864,6 +1849,28 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	else
 		svm->vcpu.arch.hflags &= ~HF_VINTR_MASK;
 
+	if (svm->vcpu.arch.hflags & HF_VINTR_MASK) {
+		/* We only want the cr8 intercept bits of the guest */
+		svm->vmcb->control.intercept_cr_read &= ~INTERCEPT_CR8_MASK;
+		svm->vmcb->control.intercept_cr_write &= ~INTERCEPT_CR8_MASK;
+	}
+
+	/* We don't want a nested guest to be more powerful than the guest,
+	   so all intercepts are ORed */
+	svm->vmcb->control.intercept_cr_read |=
+		nested_vmcb->control.intercept_cr_read;
+	svm->vmcb->control.intercept_cr_write |=
+		nested_vmcb->control.intercept_cr_write;
+	svm->vmcb->control.intercept_dr_read |=
+		nested_vmcb->control.intercept_dr_read;
+	svm->vmcb->control.intercept_dr_write |=
+		nested_vmcb->control.intercept_dr_write;
+	svm->vmcb->control.intercept_exceptions |=
+		nested_vmcb->control.intercept_exceptions;
+
+	svm->vmcb->control.intercept |= nested_vmcb->control.intercept;
+
+	svm->vmcb->control.lbr_ctl = nested_vmcb->control.lbr_ctl;
 	svm->vmcb->control.int_vector = nested_vmcb->control.int_vector;
 	svm->vmcb->control.int_state = nested_vmcb->control.int_state;
 	svm->vmcb->control.tsc_offset += nested_vmcb->control.tsc_offset;
@@ -2526,6 +2533,9 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
+	if (is_nested(svm) && (vcpu->arch.hflags & HF_VINTR_MASK))
+		return;
+
 	if (irr == -1)
 		return;
 
@@ -2629,6 +2639,9 @@ static inline void sync_cr8_to_lapic(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
+	if (is_nested(svm) && (vcpu->arch.hflags & HF_VINTR_MASK))
+		return;
+
 	if (!(svm->vmcb->control.intercept_cr_write & INTERCEPT_CR8_MASK)) {
 		int cr8 = svm->vmcb->control.int_ctl & V_TPR_MASK;
 		kvm_set_cr8(vcpu, cr8);
@@ -2640,6 +2653,9 @@ static inline void sync_lapic_to_cr8(struct kvm_vcpu *vcpu)
 	struct vcpu_svm *svm = to_svm(vcpu);
 	u64 cr8;
 
+	if (is_nested(svm) && (vcpu->arch.hflags & HF_VINTR_MASK))
+		return;
+
 	cr8 = kvm_get_cr8(vcpu);
 	svm->vmcb->control.int_ctl &= ~V_TPR_MASK;
 	svm->vmcb->control.int_ctl |= cr8 & V_TPR_MASK;

From 06fc7772690dec2a0e3814633357babf8f63af41 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:07 +0100
Subject: [PATCH 0520/3638] KVM: SVM: Activate nested state only when guest
 state is complete

Certain functions called during the emulated world switch
behave differently when the vcpu is running nested. This is
not the expected behavior during a world switch emulation.
This patch ensures that the nested state is activated only
if the vcpu is completly in nested state.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 481bd0ee5f7..8ace0b0da93 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1633,6 +1633,9 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 	if (!nested_vmcb)
 		return 1;
 
+	/* Exit nested SVM mode */
+	svm->nested.vmcb = 0;
+
 	/* Give the current vmcb to the guest */
 	disable_gif(svm);
 
@@ -1720,9 +1723,6 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 	svm->vmcb->save.cpl = 0;
 	svm->vmcb->control.exit_int_info = 0;
 
-	/* Exit nested SVM mode */
-	svm->nested.vmcb = 0;
-
 	nested_svm_unmap(page);
 
 	kvm_mmu_reset_context(&svm->vcpu);
@@ -1757,14 +1757,14 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	struct vmcb *hsave = svm->nested.hsave;
 	struct vmcb *vmcb = svm->vmcb;
 	struct page *page;
+	u64 vmcb_gpa;
+
+	vmcb_gpa = svm->vmcb->save.rax;
 
 	nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, &page);
 	if (!nested_vmcb)
 		return false;
 
-	/* nested_vmcb is our indicator if nested SVM is activated */
-	svm->nested.vmcb = svm->vmcb->save.rax;
-
 	trace_kvm_nested_vmrun(svm->vmcb->save.rip - 3, svm->nested.vmcb,
 			       nested_vmcb->save.rip,
 			       nested_vmcb->control.int_ctl,
@@ -1879,6 +1879,9 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 
 	nested_svm_unmap(page);
 
+	/* nested_vmcb is our indicator if nested SVM is activated */
+	svm->nested.vmcb = vmcb_gpa;
+
 	enable_gif(svm);
 
 	return true;

From 66a562f7e2576cde384ec813b481404d8f54f4c6 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:08 +0100
Subject: [PATCH 0521/3638] KVM: SVM: Make lazy FPU switching work with nested
 svm

The new lazy fpu switching code may disable cr0 intercepts
when running nested. This is a bug because the nested
hypervisor may still want to intercept cr0 which will break
in this situation. This patch fixes this issue and makes
lazy fpu switching working with nested svm.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 43 +++++++++++++++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 8ace0b0da93..a8ec53fe74f 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -979,6 +979,7 @@ static void svm_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
 
 static void update_cr0_intercept(struct vcpu_svm *svm)
 {
+	struct vmcb *vmcb = svm->vmcb;
 	ulong gcr0 = svm->vcpu.arch.cr0;
 	u64 *hcr0 = &svm->vmcb->save.cr0;
 
@@ -990,11 +991,25 @@ static void update_cr0_intercept(struct vcpu_svm *svm)
 
 
 	if (gcr0 == *hcr0 && svm->vcpu.fpu_active) {
-		svm->vmcb->control.intercept_cr_read &= ~INTERCEPT_CR0_MASK;
-		svm->vmcb->control.intercept_cr_write &= ~INTERCEPT_CR0_MASK;
+		vmcb->control.intercept_cr_read &= ~INTERCEPT_CR0_MASK;
+		vmcb->control.intercept_cr_write &= ~INTERCEPT_CR0_MASK;
+		if (is_nested(svm)) {
+			struct vmcb *hsave = svm->nested.hsave;
+
+			hsave->control.intercept_cr_read  &= ~INTERCEPT_CR0_MASK;
+			hsave->control.intercept_cr_write &= ~INTERCEPT_CR0_MASK;
+			vmcb->control.intercept_cr_read  |= svm->nested.intercept_cr_read;
+			vmcb->control.intercept_cr_write |= svm->nested.intercept_cr_write;
+		}
 	} else {
 		svm->vmcb->control.intercept_cr_read |= INTERCEPT_CR0_MASK;
 		svm->vmcb->control.intercept_cr_write |= INTERCEPT_CR0_MASK;
+		if (is_nested(svm)) {
+			struct vmcb *hsave = svm->nested.hsave;
+
+			hsave->control.intercept_cr_read |= INTERCEPT_CR0_MASK;
+			hsave->control.intercept_cr_write |= INTERCEPT_CR0_MASK;
+		}
 	}
 }
 
@@ -1269,7 +1284,22 @@ static int ud_interception(struct vcpu_svm *svm)
 static void svm_fpu_activate(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
-	svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
+	u32 excp;
+
+	if (is_nested(svm)) {
+		u32 h_excp, n_excp;
+
+		h_excp  = svm->nested.hsave->control.intercept_exceptions;
+		n_excp  = svm->nested.intercept_exceptions;
+		h_excp &= ~(1 << NM_VECTOR);
+		excp    = h_excp | n_excp;
+	} else {
+		excp  = svm->vmcb->control.intercept_exceptions;
+	        excp &= ~(1 << NM_VECTOR);
+	}
+
+	svm->vmcb->control.intercept_exceptions = excp;
+
 	svm->vcpu.fpu_active = 1;
 	update_cr0_intercept(svm);
 }
@@ -1513,6 +1543,9 @@ static int nested_svm_exit_special(struct vcpu_svm *svm)
 		if (!npt_enabled)
 			return NESTED_EXIT_HOST;
 		break;
+	case SVM_EXIT_EXCP_BASE + NM_VECTOR:
+		nm_interception(svm);
+		break;
 	default:
 		break;
 	}
@@ -2980,8 +3013,10 @@ static void svm_fpu_deactivate(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	update_cr0_intercept(svm);
 	svm->vmcb->control.intercept_exceptions |= 1 << NM_VECTOR;
+	if (is_nested(svm))
+		svm->nested.hsave->control.intercept_exceptions |= 1 << NM_VECTOR;
+	update_cr0_intercept(svm);
 }
 
 static struct kvm_x86_ops svm_x86_ops = {

From 052ce6211c4f7309988068fccdb7204c721871df Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:09 +0100
Subject: [PATCH 0522/3638] KVM: SVM: Remove newlines from nested trace points

The tracing infrastructure adds its own newlines. Remove
them from the trace point printk format strings.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/trace.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 6ad30a29f04..12f8d2dee98 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -413,7 +413,7 @@ TRACE_EVENT(kvm_nested_vmrun,
 	),
 
 	TP_printk("rip: 0x%016llx vmcb: 0x%016llx nrip: 0x%016llx int_ctl: 0x%08x "
-		  "event_inj: 0x%08x npt: %s\n",
+		  "event_inj: 0x%08x npt: %s",
 		__entry->rip, __entry->vmcb, __entry->nested_rip,
 		__entry->int_ctl, __entry->event_inj,
 		__entry->npt ? "on" : "off")
@@ -447,7 +447,7 @@ TRACE_EVENT(kvm_nested_vmexit,
 		__entry->exit_int_info_err	= exit_int_info_err;
 	),
 	TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx "
-		  "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x\n",
+		  "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
 		  __entry->rip,
 		  ftrace_print_symbols_seq(p, __entry->exit_code,
 					   kvm_x86_ops->exit_reasons_str),
@@ -482,7 +482,7 @@ TRACE_EVENT(kvm_nested_vmexit_inject,
 	),
 
 	TP_printk("reason: %s ext_inf1: 0x%016llx "
-		  "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x\n",
+		  "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
 		  ftrace_print_symbols_seq(p, __entry->exit_code,
 					   kvm_x86_ops->exit_reasons_str),
 		__entry->exit_info1, __entry->exit_info2,
@@ -504,7 +504,7 @@ TRACE_EVENT(kvm_nested_intr_vmexit,
 		__entry->rip	=	rip
 	),
 
-	TP_printk("rip: 0x%016llx\n", __entry->rip)
+	TP_printk("rip: 0x%016llx", __entry->rip)
 );
 
 /*
@@ -526,7 +526,7 @@ TRACE_EVENT(kvm_invlpga,
 		__entry->address	=	address;
 	),
 
-	TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx\n",
+	TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx",
 		  __entry->rip, __entry->asid, __entry->address)
 );
 
@@ -547,7 +547,7 @@ TRACE_EVENT(kvm_skinit,
 		__entry->slb		=	slb;
 	),
 
-	TP_printk("rip: 0x%016llx slb: 0x%08x\n",
+	TP_printk("rip: 0x%016llx slb: 0x%08x",
 		  __entry->rip, __entry->slb)
 );
 

From 5aa9e2f43aedff25e735b4c44e0f0f6e5d1a40ae Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:27 +0100
Subject: [PATCH 0523/3638] KVM: PPC: Add QPR registers

The Gekko has GPRs, SPRs and FPRs like normal PowerPC codes, but
it also has QPRs which are basically single precision only FPU registers
that get used when in paired single mode.

The following patches depend on them being around, so let's add the
definitions early.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_host.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 5e5bae7e152..4b14dcd4874 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -186,6 +186,11 @@ struct kvm_vcpu_arch {
 	u64 vsr[32];
 #endif
 
+#ifdef CONFIG_PPC_BOOK3S
+	/* For Gekko paired singles */
+	u32 qpr[32];
+#endif
+
 	ulong pc;
 	ulong ctr;
 	ulong lr;

From c62e096dec032c82bae60545623c24743116f5dd Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:28 +0100
Subject: [PATCH 0524/3638] KVM: PPC: Make fpscr 64-bit

Modern PowerPCs have a 64 bit wide FPSCR register. Let's accomodate for that
and make it 64 bits in our vcpu struct too.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_host.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 4b14dcd4874..fb87dcf418b 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -175,7 +175,7 @@ struct kvm_vcpu_arch {
 	ulong gpr[32];
 
 	u64 fpr[32];
-	u32 fpscr;
+	u64 fpscr;
 
 #ifdef CONFIG_ALTIVEC
 	vector128 vr[32];

From b104d06632d08957f384ff7403f609fb5dfb9cbd Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:29 +0100
Subject: [PATCH 0525/3638] KVM: PPC: Enable MMIO to do 64 bits, fprs and qprs

Right now MMIO access can only happen for GPRs and is at most 32 bit wide.
That's actually enough for almost all types of hardware out there.

Unfortunately, the guest I was using used FPU writes to MMIO regions, so
it ended up writing 64 bit MMIOs using FPRs and QPRs.

So let's add code to handle those odd cases too.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm.h     |  7 +++++++
 arch/powerpc/include/asm/kvm_ppc.h |  2 +-
 arch/powerpc/kvm/powerpc.c         | 24 ++++++++++++++++++++++--
 3 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h
index 81f3b0b5601..19bae31202c 100644
--- a/arch/powerpc/include/asm/kvm.h
+++ b/arch/powerpc/include/asm/kvm.h
@@ -77,4 +77,11 @@ struct kvm_debug_exit_arch {
 struct kvm_guest_debug_arch {
 };
 
+#define KVM_REG_MASK		0x001f
+#define KVM_REG_EXT_MASK	0xffe0
+#define KVM_REG_GPR		0x0000
+#define KVM_REG_FPR		0x0020
+#define KVM_REG_QPR		0x0040
+#define KVM_REG_FQPR		0x0060
+
 #endif /* __LINUX_KVM_POWERPC_H */
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index e2642829e43..c011170f572 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -49,7 +49,7 @@ extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
                               unsigned int rt, unsigned int bytes,
                               int is_bigendian);
 extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
-                               u32 val, unsigned int bytes, int is_bigendian);
+                               u64 val, unsigned int bytes, int is_bigendian);
 
 extern int kvmppc_emulate_instruction(struct kvm_run *run,
                                       struct kvm_vcpu *vcpu);
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 297fcd2ff7d..b7858b1e15e 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -278,7 +278,7 @@ static void kvmppc_complete_dcr_load(struct kvm_vcpu *vcpu,
 static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
                                       struct kvm_run *run)
 {
-	ulong gpr;
+	u64 gpr;
 
 	if (run->mmio.len > sizeof(gpr)) {
 		printk(KERN_ERR "bad MMIO length: %d\n", run->mmio.len);
@@ -287,6 +287,7 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
 
 	if (vcpu->arch.mmio_is_bigendian) {
 		switch (run->mmio.len) {
+		case 8: gpr = *(u64 *)run->mmio.data; break;
 		case 4: gpr = *(u32 *)run->mmio.data; break;
 		case 2: gpr = *(u16 *)run->mmio.data; break;
 		case 1: gpr = *(u8 *)run->mmio.data; break;
@@ -301,6 +302,24 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
 	}
 
 	kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr);
+
+	switch (vcpu->arch.io_gpr & KVM_REG_EXT_MASK) {
+	case KVM_REG_GPR:
+		kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr);
+		break;
+	case KVM_REG_FPR:
+		vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
+		break;
+	case KVM_REG_QPR:
+		vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
+		break;
+	case KVM_REG_FQPR:
+		vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
+		vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
+		break;
+	default:
+		BUG();
+	}
 }
 
 int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
@@ -324,7 +343,7 @@ int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
 }
 
 int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
-                        u32 val, unsigned int bytes, int is_bigendian)
+                        u64 val, unsigned int bytes, int is_bigendian)
 {
 	void *data = run->mmio.data;
 
@@ -342,6 +361,7 @@ int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	/* Store the value at the lowest bytes in 'data'. */
 	if (is_bigendian) {
 		switch (bytes) {
+		case 8: *(u64 *)data = val; break;
 		case 4: *(u32 *)data = val; break;
 		case 2: *(u16 *)data = val; break;
 		case 1: *(u8  *)data = val; break;

From 3587d5348ced089666c51411bd9d771fb0b072cf Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:30 +0100
Subject: [PATCH 0526/3638] KVM: PPC: Teach MMIO Signedness

The guest I was trying to get to run uses the LHA and LHAU instructions.
Those instructions basically do a load, but also sign extend the result.

Since we need to fill our registers by hand when doing MMIO, we also need
to sign extend manually.

This patch implements sign extended MMIO and the LHA(U) instructions.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_host.h |  1 +
 arch/powerpc/include/asm/kvm_ppc.h  |  3 +++
 arch/powerpc/kvm/emulate.c          | 14 ++++++++++++++
 arch/powerpc/kvm/powerpc.c          | 29 +++++++++++++++++++++++++++++
 4 files changed, 47 insertions(+)

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index fb87dcf418b..119deb4750d 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -270,6 +270,7 @@ struct kvm_vcpu_arch {
 
 	u8 io_gpr; /* GPR used as IO source/target */
 	u8 mmio_is_bigendian;
+	u8 mmio_sign_extend;
 	u8 dcr_needed;
 	u8 dcr_is_write;
 
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index c011170f572..a288dd2fbb2 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -48,6 +48,9 @@ extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
 extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
                               unsigned int rt, unsigned int bytes,
                               int is_bigendian);
+extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
+                               unsigned int rt, unsigned int bytes,
+                               int is_bigendian);
 extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
                                u64 val, unsigned int bytes, int is_bigendian);
 
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index cb72a65f4ec..11789dd33a1 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -62,6 +62,8 @@
 #define OP_STBU 39
 #define OP_LHZ  40
 #define OP_LHZU 41
+#define OP_LHA  42
+#define OP_LHAU 43
 #define OP_STH  44
 #define OP_STHU 45
 
@@ -450,6 +452,18 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 		kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
 		break;
 
+	case OP_LHA:
+		rt = get_rt(inst);
+		emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
+		break;
+
+	case OP_LHAU:
+		ra = get_ra(inst);
+		rt = get_rt(inst);
+		emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
+		kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
+		break;
+
 	case OP_STH:
 		rs = get_rs(inst);
 		emulated = kvmppc_handle_store(run, vcpu,
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index b7858b1e15e..1266ed02b47 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -301,6 +301,22 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
 		}
 	}
 
+	if (vcpu->arch.mmio_sign_extend) {
+		switch (run->mmio.len) {
+#ifdef CONFIG_PPC64
+		case 4:
+			gpr = (s64)(s32)gpr;
+			break;
+#endif
+		case 2:
+			gpr = (s64)(s16)gpr;
+			break;
+		case 1:
+			gpr = (s64)(s8)gpr;
+			break;
+		}
+	}
+
 	kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr);
 
 	switch (vcpu->arch.io_gpr & KVM_REG_EXT_MASK) {
@@ -338,10 +354,23 @@ int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	vcpu->arch.mmio_is_bigendian = is_bigendian;
 	vcpu->mmio_needed = 1;
 	vcpu->mmio_is_write = 0;
+	vcpu->arch.mmio_sign_extend = 0;
 
 	return EMULATE_DO_MMIO;
 }
 
+/* Same as above, but sign extends */
+int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
+                        unsigned int rt, unsigned int bytes, int is_bigendian)
+{
+	int r;
+
+	r = kvmppc_handle_load(run, vcpu, rt, bytes, is_bigendian);
+	vcpu->arch.mmio_sign_extend = 1;
+
+	return r;
+}
+
 int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
                         u64 val, unsigned int bytes, int is_bigendian)
 {

From 37f5bca64e206ed97e53f734d7de5b7c5ade3578 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:31 +0100
Subject: [PATCH 0527/3638] KVM: PPC: Add AGAIN type for emulation return

Emulation of an instruction can have different outcomes. It can succeed,
fail, require MMIO, do funky BookE stuff - or it can just realize something's
odd and will be fixed the next time around.

Exactly that is what EMULATE_AGAIN means. Using that flag we can now tell
the caller that nothing happened, but we still want to go back to the
guest and see what happens next time we come around.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_ppc.h | 1 +
 arch/powerpc/kvm/book3s.c          | 3 +++
 arch/powerpc/kvm/emulate.c         | 4 +++-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index a288dd2fbb2..07612189eb8 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -37,6 +37,7 @@ enum emulation_result {
 	EMULATE_DO_MMIO,      /* kvm_run filled with MMIO request */
 	EMULATE_DO_DCR,       /* kvm_run filled with DCR request */
 	EMULATE_FAIL,         /* can't emulate this instruction */
+	EMULATE_AGAIN,        /* something went wrong. go again */
 };
 
 extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 604af29b71e..6416f227d34 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -789,6 +789,9 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		case EMULATE_DONE:
 			r = RESUME_GUEST_NV;
 			break;
+		case EMULATE_AGAIN:
+			r = RESUME_GUEST;
+			break;
 		case EMULATE_FAIL:
 			printk(KERN_CRIT "%s: emulation at %lx failed (%08x)\n",
 			       __func__, vcpu->arch.pc, vcpu->arch.last_inst);
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 11789dd33a1..2410ec2a756 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -486,7 +486,9 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 
 	if (emulated == EMULATE_FAIL) {
 		emulated = kvmppc_core_emulate_op(run, vcpu, inst, &advance);
-		if (emulated == EMULATE_FAIL) {
+		if (emulated == EMULATE_AGAIN) {
+			advance = 0;
+		} else if (emulated == EMULATE_FAIL) {
 			advance = 0;
 			printk(KERN_ERR "Couldn't emulate instruction 0x%08x "
 			       "(op %d xop %d)\n", inst, get_op(inst), get_xop(inst));

From 3c402a75ea66e7aafa212077d1f93f1b560d0bd0 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:32 +0100
Subject: [PATCH 0528/3638] KVM: PPC: Add hidden flag for paired singles

The Gekko implements an extension called paired singles. When the guest wants
to use that extension, we need to make sure we're not running the host FPU,
because all FPU instructions need to get emulated to accomodate for additional
operations that occur.

This patch adds an hflag to track if we're in paired single mode or not.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_asm.h | 1 +
 arch/powerpc/kvm/book3s.c          | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h
index aadf2dd6f84..7238c048e5b 100644
--- a/arch/powerpc/include/asm/kvm_asm.h
+++ b/arch/powerpc/include/asm/kvm_asm.h
@@ -88,6 +88,7 @@
 
 #define BOOK3S_HFLAG_DCBZ32			0x1
 #define BOOK3S_HFLAG_SLB			0x2
+#define BOOK3S_HFLAG_PAIRED_SINGLE		0x4
 
 #define RESUME_FLAG_NV          (1<<0)  /* Reload guest nonvolatile state? */
 #define RESUME_FLAG_HOST        (1<<1)  /* Resume host? */
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 6416f227d34..8cb9f5a6746 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -639,6 +639,10 @@ static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
 	u64 *thread_fpr = (u64*)t->fpr;
 	int i;
 
+	/* When we have paired singles, we emulate in software */
+	if (vcpu->arch.hflags & BOOK3S_HFLAG_PAIRED_SINGLE)
+		return RESUME_GUEST;
+
 	if (!(vcpu->arch.msr & msr)) {
 		kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
 		return RESUME_GUEST;

From d6d549b20776c937cb4717b24ef05baec4768f99 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:33 +0100
Subject: [PATCH 0529/3638] KVM: PPC: Add Gekko SPRs

The Gekko has some SPR values that differ from other PPC core values and
also some additional ones.

Let's add support for them in our mfspr/mtspr emulator.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h |  1 +
 arch/powerpc/include/asm/reg.h        | 10 ++++
 arch/powerpc/kvm/book3s_64_emulate.c  | 70 +++++++++++++++++++++++++++
 3 files changed, 81 insertions(+)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index db7db0a9696..d28ee839ed8 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -82,6 +82,7 @@ struct kvmppc_vcpu_book3s {
 	struct kvmppc_bat ibat[8];
 	struct kvmppc_bat dbat[8];
 	u64 hid[6];
+	u64 gqr[8];
 	int slb_nr;
 	u64 sdr1;
 	u64 dsisr;
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 5572e86223f..8a69a39a10b 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -293,10 +293,12 @@
 #define HID1_ABE	(1<<10)		/* 7450 Address Broadcast Enable */
 #define HID1_PS		(1<<16)		/* 750FX PLL selection */
 #define SPRN_HID2	0x3F8		/* Hardware Implementation Register 2 */
+#define SPRN_HID2_GEKKO	0x398		/* Gekko HID2 Register */
 #define SPRN_IABR	0x3F2	/* Instruction Address Breakpoint Register */
 #define SPRN_IABR2	0x3FA		/* 83xx */
 #define SPRN_IBCR	0x135		/* 83xx Insn Breakpoint Control Reg */
 #define SPRN_HID4	0x3F4		/* 970 HID4 */
+#define SPRN_HID4_GEKKO	0x3F3		/* Gekko HID4 */
 #define SPRN_HID5	0x3F6		/* 970 HID5 */
 #define SPRN_HID6	0x3F9	/* BE HID 6 */
 #define   HID6_LB	(0x0F<<12) /* Concurrent Large Page Modes */
@@ -465,6 +467,14 @@
 #define SPRN_VRSAVE	0x100	/* Vector Register Save Register */
 #define SPRN_XER	0x001	/* Fixed Point Exception Register */
 
+#define SPRN_MMCR0_GEKKO 0x3B8 /* Gekko Monitor Mode Control Register 0 */
+#define SPRN_MMCR1_GEKKO 0x3BC /* Gekko Monitor Mode Control Register 1 */
+#define SPRN_PMC1_GEKKO  0x3B9 /* Gekko Performance Monitor Control 1 */
+#define SPRN_PMC2_GEKKO  0x3BA /* Gekko Performance Monitor Control 2 */
+#define SPRN_PMC3_GEKKO  0x3BD /* Gekko Performance Monitor Control 3 */
+#define SPRN_PMC4_GEKKO  0x3BE /* Gekko Performance Monitor Control 4 */
+#define SPRN_WPAR_GEKKO  0x399 /* Gekko Write Pipe Address Register */
+
 #define SPRN_SCOMC	0x114	/* SCOM Access Control */
 #define SPRN_SCOMD	0x115	/* SCOM Access DATA */
 
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index 2b0ee7e040c..bb4a7c1f8f0 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -42,6 +42,15 @@
 /* DCBZ is actually 1014, but we patch it to 1010 so we get a trap */
 #define OP_31_XOP_DCBZ		1010
 
+#define SPRN_GQR0		912
+#define SPRN_GQR1		913
+#define SPRN_GQR2		914
+#define SPRN_GQR3		915
+#define SPRN_GQR4		916
+#define SPRN_GQR5		917
+#define SPRN_GQR6		918
+#define SPRN_GQR7		919
+
 int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
                            unsigned int inst, int *advance)
 {
@@ -268,7 +277,29 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 	case SPRN_HID2:
 		to_book3s(vcpu)->hid[2] = spr_val;
 		break;
+	case SPRN_HID2_GEKKO:
+		to_book3s(vcpu)->hid[2] = spr_val;
+		/* HID2.PSE controls paired single on gekko */
+		switch (vcpu->arch.pvr) {
+		case 0x00080200:	/* lonestar 2.0 */
+		case 0x00088202:	/* lonestar 2.2 */
+		case 0x70000100:	/* gekko 1.0 */
+		case 0x00080100:	/* gekko 2.0 */
+		case 0x00083203:	/* gekko 2.3a */
+		case 0x00083213:	/* gekko 2.3b */
+		case 0x00083204:	/* gekko 2.4 */
+		case 0x00083214:	/* gekko 2.4e (8SE) - retail HW2 */
+			if (spr_val & (1 << 29)) { /* HID2.PSE */
+				vcpu->arch.hflags |= BOOK3S_HFLAG_PAIRED_SINGLE;
+				kvmppc_giveup_ext(vcpu, MSR_FP);
+			} else {
+				vcpu->arch.hflags &= ~BOOK3S_HFLAG_PAIRED_SINGLE;
+			}
+			break;
+		}
+		break;
 	case SPRN_HID4:
+	case SPRN_HID4_GEKKO:
 		to_book3s(vcpu)->hid[4] = spr_val;
 		break;
 	case SPRN_HID5:
@@ -278,12 +309,30 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 		    (mfmsr() & MSR_HV))
 			vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32;
 		break;
+	case SPRN_GQR0:
+	case SPRN_GQR1:
+	case SPRN_GQR2:
+	case SPRN_GQR3:
+	case SPRN_GQR4:
+	case SPRN_GQR5:
+	case SPRN_GQR6:
+	case SPRN_GQR7:
+		to_book3s(vcpu)->gqr[sprn - SPRN_GQR0] = spr_val;
+		break;
 	case SPRN_ICTC:
 	case SPRN_THRM1:
 	case SPRN_THRM2:
 	case SPRN_THRM3:
 	case SPRN_CTRLF:
 	case SPRN_CTRLT:
+	case SPRN_L2CR:
+	case SPRN_MMCR0_GEKKO:
+	case SPRN_MMCR1_GEKKO:
+	case SPRN_PMC1_GEKKO:
+	case SPRN_PMC2_GEKKO:
+	case SPRN_PMC3_GEKKO:
+	case SPRN_PMC4_GEKKO:
+	case SPRN_WPAR_GEKKO:
 		break;
 	default:
 		printk(KERN_INFO "KVM: invalid SPR write: %d\n", sprn);
@@ -320,19 +369,40 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[1]);
 		break;
 	case SPRN_HID2:
+	case SPRN_HID2_GEKKO:
 		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[2]);
 		break;
 	case SPRN_HID4:
+	case SPRN_HID4_GEKKO:
 		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[4]);
 		break;
 	case SPRN_HID5:
 		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]);
 		break;
+	case SPRN_GQR0:
+	case SPRN_GQR1:
+	case SPRN_GQR2:
+	case SPRN_GQR3:
+	case SPRN_GQR4:
+	case SPRN_GQR5:
+	case SPRN_GQR6:
+	case SPRN_GQR7:
+		kvmppc_set_gpr(vcpu, rt,
+			       to_book3s(vcpu)->gqr[sprn - SPRN_GQR0]);
+		break;
 	case SPRN_THRM1:
 	case SPRN_THRM2:
 	case SPRN_THRM3:
 	case SPRN_CTRLF:
 	case SPRN_CTRLT:
+	case SPRN_L2CR:
+	case SPRN_MMCR0_GEKKO:
+	case SPRN_MMCR1_GEKKO:
+	case SPRN_PMC1_GEKKO:
+	case SPRN_PMC2_GEKKO:
+	case SPRN_PMC3_GEKKO:
+	case SPRN_PMC4_GEKKO:
+	case SPRN_WPAR_GEKKO:
 		kvmppc_set_gpr(vcpu, rt, 0);
 		break;
 	default:

From c8c0b6f2f7db22a340f1311602182a25a2378996 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:34 +0100
Subject: [PATCH 0530/3638] KVM: PPC: Combine extension interrupt handlers

When we for example get an Altivec interrupt, but our guest doesn't support
altivec, we need to inject a program interrupt, not an altivec interrupt.

The same goes for paired singles. When an altivec interrupt arrives, we're
pretty sure we need to emulate the instruction because it's a paired single
operation.

So let's make all the ext handlers aware that they need to jump to the
program interrupt handler when an extension interrupt arrives that
was not supposed to arrive for the guest CPU.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 55 +++++++++++++++++++++++++++++++++++----
 1 file changed, 50 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 8cb9f5a6746..b18415fc018 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -37,6 +37,8 @@
 /* #define DEBUG_EXT */
 
 static void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
+static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
+			     ulong msr);
 
 struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "exits",       VCPU_STAT(sum_exits) },
@@ -629,6 +631,30 @@ static void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr)
 	kvmppc_recalc_shadow_msr(vcpu);
 }
 
+static int kvmppc_check_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr)
+{
+	ulong srr0 = vcpu->arch.pc;
+	int ret;
+
+	/* Need to do paired single emulation? */
+	if (!(vcpu->arch.hflags & BOOK3S_HFLAG_PAIRED_SINGLE))
+		return EMULATE_DONE;
+
+	/* Read out the instruction */
+	ret = kvmppc_ld(vcpu, &srr0, sizeof(u32), &vcpu->arch.last_inst, false);
+	if (ret == -ENOENT) {
+		vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 33, 33, 1);
+		vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 34, 36, 0);
+		vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 42, 47, 0);
+		kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_INST_STORAGE);
+	} else if(ret == EMULATE_DONE) {
+		/* Need to emulate */
+		return EMULATE_FAIL;
+	}
+
+	return EMULATE_AGAIN;
+}
+
 /* Handle external providers (FPU, Altivec, VSX) */
 static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
 			     ulong msr)
@@ -773,6 +799,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		enum emulation_result er;
 		ulong flags;
 
+program_interrupt:
 		flags = vcpu->arch.shadow_srr1 & 0x1f0000ull;
 
 		if (vcpu->arch.msr & MSR_PR) {
@@ -816,14 +843,32 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		r = RESUME_GUEST;
 		break;
 	case BOOK3S_INTERRUPT_FP_UNAVAIL:
-		r = kvmppc_handle_ext(vcpu, exit_nr, MSR_FP);
-		break;
 	case BOOK3S_INTERRUPT_ALTIVEC:
-		r = kvmppc_handle_ext(vcpu, exit_nr, MSR_VEC);
-		break;
 	case BOOK3S_INTERRUPT_VSX:
-		r = kvmppc_handle_ext(vcpu, exit_nr, MSR_VSX);
+	{
+		int ext_msr = 0;
+
+		switch (exit_nr) {
+		case BOOK3S_INTERRUPT_FP_UNAVAIL: ext_msr = MSR_FP;  break;
+		case BOOK3S_INTERRUPT_ALTIVEC:    ext_msr = MSR_VEC; break;
+		case BOOK3S_INTERRUPT_VSX:        ext_msr = MSR_VSX; break;
+		}
+
+		switch (kvmppc_check_ext(vcpu, exit_nr)) {
+		case EMULATE_DONE:
+			/* everything ok - let's enable the ext */
+			r = kvmppc_handle_ext(vcpu, exit_nr, ext_msr);
+			break;
+		case EMULATE_FAIL:
+			/* we need to emulate this instruction */
+			goto program_interrupt;
+			break;
+		default:
+			/* nothing to worry about - go again */
+			break;
+		}
 		break;
+	}
 	case BOOK3S_INTERRUPT_MACHINE_CHECK:
 	case BOOK3S_INTERRUPT_TRACE:
 		kvmppc_book3s_queue_irqprio(vcpu, exit_nr);

From d1bab74c51eb13cf860ea2f0cd1d4d4605deb292 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:35 +0100
Subject: [PATCH 0531/3638] KVM: PPC: Preload FPU when possible

There are some situations when we're pretty sure the guest will use the
FPU soon. So we can save the churn of going into the guest, finding out
it does want to use the FPU and going out again.

This patch adds preloading of the FPU when it's reasonable.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index b18415fc018..55c38e59828 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -138,6 +138,10 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 		kvmppc_mmu_flush_segments(vcpu);
 		kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc);
 	}
+
+	/* Preload FPU if it's enabled */
+	if (vcpu->arch.msr & MSR_FP)
+		kvmppc_handle_ext(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, MSR_FP);
 }
 
 void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags)
@@ -1196,6 +1200,10 @@ int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
 	/* XXX we get called with irq disabled - change that! */
 	local_irq_enable();
 
+	/* Preload FPU if it's enabled */
+	if (vcpu->arch.msr & MSR_FP)
+		kvmppc_handle_ext(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, MSR_FP);
+
 	ret = __kvmppc_vcpu_entry(kvm_run, vcpu);
 
 	local_irq_disable();

From e425a6de1a2b427747f5af17bd76630548944ff1 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:36 +0100
Subject: [PATCH 0532/3638] KVM: PPC: Fix typo in book3s_32 debug code

There's a typo in the debug ifdef of the book3s_32 mmu emulation. While trying
to debug something I stumbled across that and wanted to save anyone after me
(or myself later) from having to debug that again.

So let's fix the ifdef.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_32_mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c
index faf99f20d99..1483a9bddda 100644
--- a/arch/powerpc/kvm/book3s_32_mmu.c
+++ b/arch/powerpc/kvm/book3s_32_mmu.c
@@ -37,7 +37,7 @@
 #define dprintk(X...) do { } while(0)
 #endif
 
-#ifdef DEBUG_PTE
+#ifdef DEBUG_MMU_PTE
 #define dprintk_pte(X...) printk(KERN_INFO X)
 #else
 #define dprintk_pte(X...) do { } while(0)

From 71db4089361b9424314c41fcf92f63ce26263fcc Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:37 +0100
Subject: [PATCH 0533/3638] KVM: PPC: Implement mtsr instruction emulation

The Book3S_32 specifications allows for two instructions to modify segment
registers: mtsrin and mtsr.

Most normal operating systems use mtsrin, because it allows to define which
segment it wants to change using a register. But since I was trying to run
an embedded guest, it turned out to be using mtsr with hardcoded values.

So let's also emulate mtsr. It's a valid instruction after all.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_emulate.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index bb4a7c1f8f0..e4e7ec318eb 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -28,6 +28,7 @@
 #define OP_31_XOP_MFMSR		83
 #define OP_31_XOP_MTMSR		146
 #define OP_31_XOP_MTMSRD	178
+#define OP_31_XOP_MTSR		210
 #define OP_31_XOP_MTSRIN	242
 #define OP_31_XOP_TLBIEL	274
 #define OP_31_XOP_TLBIE		306
@@ -101,6 +102,11 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			}
 			break;
 		}
+		case OP_31_XOP_MTSR:
+			vcpu->arch.mmu.mtsrin(vcpu,
+				(inst >> 16) & 0xf,
+				kvmppc_get_gpr(vcpu, get_rs(inst)));
+			break;
 		case OP_31_XOP_MTSRIN:
 			vcpu->arch.mmu.mtsrin(vcpu,
 				(kvmppc_get_gpr(vcpu, get_rb(inst)) >> 28) & 0xf,

From 5467a97d0f0ac99d2db0281ce1762e85afe16da2 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:38 +0100
Subject: [PATCH 0534/3638] KVM: PPC: Make software load/store return eaddr

The Book3S KVM implementation contains some helper functions to load and store
data from and to virtual addresses.

Unfortunately, this helper used to keep the physical address it so nicely
found out for us to itself. So let's change that and make it return the
physical address it resolved.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h |  4 +--
 arch/powerpc/kvm/book3s.c             | 41 ++++++++++++++++-----------
 arch/powerpc/kvm/book3s_64_emulate.c  | 11 +++----
 3 files changed, 33 insertions(+), 23 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index d28ee839ed8..8463976ff9f 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -115,8 +115,8 @@ extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
 extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
 extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data);
-extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data);
-extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr);
+extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
+extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
 			   bool upper, u32 val);
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 55c38e59828..a9f45197a03 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -440,55 +440,64 @@ err:
 	return kvmppc_bad_hva();
 }
 
-int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr)
+int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
+	      bool data)
 {
 	struct kvmppc_pte pte;
-	hva_t hva = eaddr;
+	hva_t hva = *eaddr;
 
 	vcpu->stat.st++;
 
-	if (kvmppc_xlate(vcpu, eaddr, false, &pte))
-		goto err;
+	if (kvmppc_xlate(vcpu, *eaddr, data, &pte))
+		goto nopte;
+
+	*eaddr = pte.raddr;
 
 	hva = kvmppc_pte_to_hva(vcpu, &pte, false);
 	if (kvm_is_error_hva(hva))
-		goto err;
+		goto mmio;
 
 	if (copy_to_user((void __user *)hva, ptr, size)) {
 		printk(KERN_INFO "kvmppc_st at 0x%lx failed\n", hva);
-		goto err;
+		goto mmio;
 	}
 
-	return 0;
+	return EMULATE_DONE;
 
-err:
+nopte:
 	return -ENOENT;
+mmio:
+	return EMULATE_DO_MMIO;
 }
 
-int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr,
+int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
 		      bool data)
 {
 	struct kvmppc_pte pte;
-	hva_t hva = eaddr;
+	hva_t hva = *eaddr;
 
 	vcpu->stat.ld++;
 
-	if (kvmppc_xlate(vcpu, eaddr, data, &pte))
-		goto err;
+	if (kvmppc_xlate(vcpu, *eaddr, data, &pte))
+		goto nopte;
+
+	*eaddr = pte.raddr;
 
 	hva = kvmppc_pte_to_hva(vcpu, &pte, true);
 	if (kvm_is_error_hva(hva))
-		goto err;
+		goto mmio;
 
 	if (copy_from_user(ptr, (void __user *)hva, size)) {
 		printk(KERN_INFO "kvmppc_ld at 0x%lx failed\n", hva);
-		goto err;
+		goto mmio;
 	}
 
-	return 0;
+	return EMULATE_DONE;
 
-err:
+nopte:
 	return -ENOENT;
+mmio:
+	return EMULATE_DO_MMIO;
 }
 
 static int kvmppc_visible_gfn(struct kvm_vcpu *vcpu, gfn_t gfn)
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index e4e7ec318eb..a93aa471917 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -169,7 +169,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		{
 			ulong rb = kvmppc_get_gpr(vcpu, get_rb(inst));
 			ulong ra = 0;
-			ulong addr;
+			ulong addr, vaddr;
 			u32 zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 
 			if (get_ra(inst))
@@ -178,15 +178,16 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			addr = (ra + rb) & ~31ULL;
 			if (!(vcpu->arch.msr & MSR_SF))
 				addr &= 0xffffffff;
+			vaddr = addr;
 
-			if (kvmppc_st(vcpu, addr, 32, zeros)) {
-				vcpu->arch.dear = addr;
-				vcpu->arch.fault_dear = addr;
+			if (kvmppc_st(vcpu, &addr, 32, zeros, true)) {
+				vcpu->arch.dear = vaddr;
+				vcpu->arch.fault_dear = vaddr;
 				to_book3s(vcpu)->dsisr = DSISR_PROTFAULT |
 						      DSISR_ISSTORE;
 				kvmppc_book3s_queue_irqprio(vcpu,
 					BOOK3S_INTERRUPT_DATA_STORAGE);
-				kvmppc_mmu_pte_flush(vcpu, addr, ~0xFFFULL);
+				kvmppc_mmu_pte_flush(vcpu, vaddr, ~0xFFFULL);
 			}
 
 			break;

From aba3bd7ffe13fad6c4483b49686ad454a4cb409b Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:39 +0100
Subject: [PATCH 0535/3638] KVM: PPC: Make ext giveup non-static

We need to call the ext giveup handlers from code outside of book3s.c.
So let's make it non-static.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h | 1 +
 arch/powerpc/kvm/book3s.c             | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 8463976ff9f..fd432100f6d 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -120,6 +120,7 @@ extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, b
 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
 			   bool upper, u32 val);
+extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
 
 extern u32 kvmppc_trampoline_lowmem;
 extern u32 kvmppc_trampoline_enter;
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index a9f45197a03..38f242a690f 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -36,7 +36,6 @@
 /* #define EXIT_DEBUG_SIMPLE */
 /* #define DEBUG_EXT */
 
-static void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
 static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
 			     ulong msr);
 
@@ -598,7 +597,7 @@ static inline int get_fpr_index(int i)
 }
 
 /* Give up external provider (FPU, Altivec, VSX) */
-static void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr)
+void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr)
 {
 	struct thread_struct *t = &current->thread;
 	u64 *vcpu_fpr = vcpu->arch.fpr;

From 963cf3dc6342fe60bb78c615884537621abca0bc Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:40 +0100
Subject: [PATCH 0536/3638] KVM: PPC: Add helpers to call FPU instructions

To emulate paired single instructions, we need to be able to call FPU
operations from within the kernel. Since we don't want gcc to spill
arbitrary FPU code everywhere, we tell it to use a soft fpu.

Since we know we can really call the FPU in safe areas, let's also add
some calls that we can later use to actually execute real world FPU
operations on the host's FPU.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_fpu.h |  85 +++++++++
 arch/powerpc/kernel/ppc_ksyms.c    |   2 +
 arch/powerpc/kvm/Makefile          |   1 +
 arch/powerpc/kvm/fpu.S             | 273 +++++++++++++++++++++++++++++
 4 files changed, 361 insertions(+)
 create mode 100644 arch/powerpc/include/asm/kvm_fpu.h
 create mode 100644 arch/powerpc/kvm/fpu.S

diff --git a/arch/powerpc/include/asm/kvm_fpu.h b/arch/powerpc/include/asm/kvm_fpu.h
new file mode 100644
index 00000000000..94f05de9ad0
--- /dev/null
+++ b/arch/powerpc/include/asm/kvm_fpu.h
@@ -0,0 +1,85 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright Novell Inc. 2010
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#ifndef __ASM_KVM_FPU_H__
+#define __ASM_KVM_FPU_H__
+
+#include <linux/types.h>
+
+extern void fps_fres(struct thread_struct *t, u32 *dst, u32 *src1);
+extern void fps_frsqrte(struct thread_struct *t, u32 *dst, u32 *src1);
+extern void fps_fsqrts(struct thread_struct *t, u32 *dst, u32 *src1);
+
+extern void fps_fadds(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2);
+extern void fps_fdivs(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2);
+extern void fps_fmuls(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2);
+extern void fps_fsubs(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2);
+
+extern void fps_fmadds(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
+		       u32 *src3);
+extern void fps_fmsubs(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
+		       u32 *src3);
+extern void fps_fnmadds(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
+		        u32 *src3);
+extern void fps_fnmsubs(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
+		        u32 *src3);
+extern void fps_fsel(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
+		     u32 *src3);
+
+#define FPD_ONE_IN(name) extern void fpd_ ## name(u64 *fpscr, u32 *cr, \
+				u64 *dst, u64 *src1);
+#define FPD_TWO_IN(name) extern void fpd_ ## name(u64 *fpscr, u32 *cr, \
+				u64 *dst, u64 *src1, u64 *src2);
+#define FPD_THREE_IN(name) extern void fpd_ ## name(u64 *fpscr, u32 *cr, \
+				u64 *dst, u64 *src1, u64 *src2, u64 *src3);
+
+extern void fpd_fcmpu(u64 *fpscr, u32 *cr, u64 *src1, u64 *src2);
+extern void fpd_fcmpo(u64 *fpscr, u32 *cr, u64 *src1, u64 *src2);
+
+FPD_ONE_IN(fsqrts)
+FPD_ONE_IN(frsqrtes)
+FPD_ONE_IN(fres)
+FPD_ONE_IN(frsp)
+FPD_ONE_IN(fctiw)
+FPD_ONE_IN(fctiwz)
+FPD_ONE_IN(fsqrt)
+FPD_ONE_IN(fre)
+FPD_ONE_IN(frsqrte)
+FPD_ONE_IN(fneg)
+FPD_ONE_IN(fabs)
+FPD_TWO_IN(fadds)
+FPD_TWO_IN(fsubs)
+FPD_TWO_IN(fdivs)
+FPD_TWO_IN(fmuls)
+FPD_TWO_IN(fcpsgn)
+FPD_TWO_IN(fdiv)
+FPD_TWO_IN(fadd)
+FPD_TWO_IN(fmul)
+FPD_TWO_IN(fsub)
+FPD_THREE_IN(fmsubs)
+FPD_THREE_IN(fmadds)
+FPD_THREE_IN(fnmsubs)
+FPD_THREE_IN(fnmadds)
+FPD_THREE_IN(fsel)
+FPD_THREE_IN(fmsub)
+FPD_THREE_IN(fmadd)
+FPD_THREE_IN(fnmsub)
+FPD_THREE_IN(fnmadd)
+
+#endif
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index ab3e392ac63..58fdb3a784d 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -101,6 +101,8 @@ EXPORT_SYMBOL(pci_dram_offset);
 EXPORT_SYMBOL(start_thread);
 EXPORT_SYMBOL(kernel_thread);
 
+EXPORT_SYMBOL_GPL(cvt_df);
+EXPORT_SYMBOL_GPL(cvt_fd);
 EXPORT_SYMBOL(giveup_fpu);
 #ifdef CONFIG_ALTIVEC
 EXPORT_SYMBOL(giveup_altivec);
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index 56484d65237..e575cfd015f 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -40,6 +40,7 @@ kvm-objs-$(CONFIG_KVM_E500) := $(kvm-e500-objs)
 
 kvm-book3s_64-objs := \
 	$(common-objs-y) \
+	fpu.o \
 	book3s.o \
 	book3s_64_emulate.o \
 	book3s_64_interrupts.o \
diff --git a/arch/powerpc/kvm/fpu.S b/arch/powerpc/kvm/fpu.S
new file mode 100644
index 00000000000..2b340a3eee9
--- /dev/null
+++ b/arch/powerpc/kvm/fpu.S
@@ -0,0 +1,273 @@
+/*
+ *  FPU helper code to use FPU operations from inside the kernel
+ *
+ *    Copyright (C) 2010 Alexander Graf (agraf@suse.de)
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version
+ *  2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <asm/reg.h>
+#include <asm/page.h>
+#include <asm/mmu.h>
+#include <asm/pgtable.h>
+#include <asm/cputable.h>
+#include <asm/cache.h>
+#include <asm/thread_info.h>
+#include <asm/ppc_asm.h>
+#include <asm/asm-offsets.h>
+
+/* Instructions operating on single parameters */
+
+/*
+ * Single operation with one input operand
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (short*)&result
+ * R5 = (short*)&param1
+ */
+#define FPS_ONE_IN(name) 					\
+_GLOBAL(fps_ ## name);							\
+	lfd	0,0(r3);		/* load up fpscr value */	\
+	MTFSF_L(0);							\
+	lfs	0,0(r5);						\
+									\
+	name	0,0;							\
+									\
+	stfs	0,0(r4);						\
+	mffs	0;							\
+	stfd	0,0(r3);	/* save new fpscr value */	\
+	blr
+
+/*
+ * Single operation with two input operands
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (short*)&result
+ * R5 = (short*)&param1
+ * R6 = (short*)&param2
+ */
+#define FPS_TWO_IN(name) 					\
+_GLOBAL(fps_ ## name);							\
+	lfd	0,0(r3);		/* load up fpscr value */	\
+	MTFSF_L(0);							\
+	lfs	0,0(r5);						\
+	lfs	1,0(r6);						\
+									\
+	name	0,0,1;							\
+									\
+	stfs	0,0(r4);						\
+	mffs	0;							\
+	stfd	0,0(r3);		/* save new fpscr value */	\
+	blr
+
+/*
+ * Single operation with three input operands
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (short*)&result
+ * R5 = (short*)&param1
+ * R6 = (short*)&param2
+ * R7 = (short*)&param3
+ */
+#define FPS_THREE_IN(name) 					\
+_GLOBAL(fps_ ## name);							\
+	lfd	0,0(r3);		/* load up fpscr value */	\
+	MTFSF_L(0);							\
+	lfs	0,0(r5);						\
+	lfs	1,0(r6);						\
+	lfs	2,0(r7);						\
+									\
+	name	0,0,1,2;						\
+									\
+	stfs	0,0(r4);						\
+	mffs	0;							\
+	stfd	0,0(r3);		/* save new fpscr value */	\
+	blr
+
+FPS_ONE_IN(fres)
+FPS_ONE_IN(frsqrte)
+FPS_ONE_IN(fsqrts)
+FPS_TWO_IN(fadds)
+FPS_TWO_IN(fdivs)
+FPS_TWO_IN(fmuls)
+FPS_TWO_IN(fsubs)
+FPS_THREE_IN(fmadds)
+FPS_THREE_IN(fmsubs)
+FPS_THREE_IN(fnmadds)
+FPS_THREE_IN(fnmsubs)
+FPS_THREE_IN(fsel)
+
+
+/* Instructions operating on double parameters */
+
+/*
+ * Beginning of double instruction processing
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (u32*)&cr
+ * R5 = (double*)&result
+ * R6 = (double*)&param1
+ * R7 = (double*)&param2 [load_two]
+ * R8 = (double*)&param3 [load_three]
+ * LR = instruction call function
+ */
+fpd_load_three:
+	lfd	2,0(r8)			/* load param3 */
+fpd_load_two:
+	lfd	1,0(r7)			/* load param2 */
+fpd_load_one:
+	lfd	0,0(r6)			/* load param1 */
+fpd_load_none:
+	lfd	3,0(r3)			/* load up fpscr value */
+	MTFSF_L(3)
+	lwz	r6, 0(r4)		/* load cr */
+	mtcr	r6
+	blr
+
+/*
+ * End of double instruction processing
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (u32*)&cr
+ * R5 = (double*)&result
+ * LR = caller of instruction call function
+ */
+fpd_return:
+	mfcr	r6
+	stfd	0,0(r5)			/* save result */
+	mffs	0
+	stfd	0,0(r3)			/* save new fpscr value */
+	stw	r6,0(r4)		/* save new cr value */
+	blr
+
+/*
+ * Double operation with no input operand
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (u32*)&cr
+ * R5 = (double*)&result
+ */
+#define FPD_NONE_IN(name) 						\
+_GLOBAL(fpd_ ## name);							\
+	mflr	r12;							\
+	bl	fpd_load_none;						\
+	mtlr	r12;							\
+									\
+	name.	0;			/* call instruction */		\
+	b	fpd_return
+
+/*
+ * Double operation with one input operand
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (u32*)&cr
+ * R5 = (double*)&result
+ * R6 = (double*)&param1
+ */
+#define FPD_ONE_IN(name) 						\
+_GLOBAL(fpd_ ## name);							\
+	mflr	r12;							\
+	bl	fpd_load_one;						\
+	mtlr	r12;							\
+									\
+	name.	0,0;			/* call instruction */		\
+	b	fpd_return
+
+/*
+ * Double operation with two input operands
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (u32*)&cr
+ * R5 = (double*)&result
+ * R6 = (double*)&param1
+ * R7 = (double*)&param2
+ * R8 = (double*)&param3
+ */
+#define FPD_TWO_IN(name) 						\
+_GLOBAL(fpd_ ## name);							\
+	mflr	r12;							\
+	bl	fpd_load_two;						\
+	mtlr	r12;							\
+									\
+	name.	0,0,1;			/* call instruction */		\
+	b	fpd_return
+
+/*
+ * CR Double operation with two input operands
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (u32*)&cr
+ * R5 = (double*)&param1
+ * R6 = (double*)&param2
+ * R7 = (double*)&param3
+ */
+#define FPD_TWO_IN_CR(name)						\
+_GLOBAL(fpd_ ## name);							\
+	lfd	1,0(r6);		/* load param2 */		\
+	lfd	0,0(r5);		/* load param1 */		\
+	lfd	3,0(r3);		/* load up fpscr value */	\
+	MTFSF_L(3);							\
+	lwz	r6, 0(r4);		/* load cr */			\
+	mtcr	r6;							\
+									\
+	name	0,0,1;			/* call instruction */		\
+	mfcr	r6;							\
+	mffs	0;							\
+	stfd	0,0(r3);		/* save new fpscr value */	\
+	stw	r6,0(r4);		/* save new cr value */		\
+	blr
+
+/*
+ * Double operation with three input operands
+ *
+ * R3 = (double*)&fpscr
+ * R4 = (u32*)&cr
+ * R5 = (double*)&result
+ * R6 = (double*)&param1
+ * R7 = (double*)&param2
+ * R8 = (double*)&param3
+ */
+#define FPD_THREE_IN(name) 						\
+_GLOBAL(fpd_ ## name);							\
+	mflr	r12;							\
+	bl	fpd_load_three;						\
+	mtlr	r12;							\
+									\
+	name.	0,0,1,2;		/* call instruction */		\
+	b	fpd_return
+
+FPD_ONE_IN(fsqrts)
+FPD_ONE_IN(frsqrtes)
+FPD_ONE_IN(fres)
+FPD_ONE_IN(frsp)
+FPD_ONE_IN(fctiw)
+FPD_ONE_IN(fctiwz)
+FPD_ONE_IN(fsqrt)
+FPD_ONE_IN(fre)
+FPD_ONE_IN(frsqrte)
+FPD_ONE_IN(fneg)
+FPD_ONE_IN(fabs)
+FPD_TWO_IN(fadds)
+FPD_TWO_IN(fsubs)
+FPD_TWO_IN(fdivs)
+FPD_TWO_IN(fmuls)
+FPD_TWO_IN_CR(fcmpu)
+FPD_TWO_IN(fcpsgn)
+FPD_TWO_IN(fdiv)
+FPD_TWO_IN(fadd)
+FPD_TWO_IN(fmul)
+FPD_TWO_IN_CR(fcmpo)
+FPD_TWO_IN(fsub)
+FPD_THREE_IN(fmsubs)
+FPD_THREE_IN(fmadds)
+FPD_THREE_IN(fnmsubs)
+FPD_THREE_IN(fnmadds)
+FPD_THREE_IN(fsel)
+FPD_THREE_IN(fmsub)
+FPD_THREE_IN(fmadd)
+FPD_THREE_IN(fnmsub)
+FPD_THREE_IN(fnmadd)

From dba2e123e7502870c965e4b445554bc8e56f78b2 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:41 +0100
Subject: [PATCH 0537/3638] KVM: PPC: Fix error in BAT assignment

BATs didn't work. Well, they did, but only up to BAT3. As soon as we
came to BAT4 the offset calculation was screwed up and we ended up
overwriting BAT0-3.

Fortunately, Linux hasn't been using BAT4+. It's still a good
idea to write correct code though.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_emulate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index a93aa471917..1d1b9524f0e 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -233,13 +233,13 @@ static void kvmppc_write_bat(struct kvm_vcpu *vcpu, int sprn, u32 val)
 		bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT0U) / 2];
 		break;
 	case SPRN_IBAT4U ... SPRN_IBAT7L:
-		bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT4U) / 2];
+		bat = &vcpu_book3s->ibat[4 + ((sprn - SPRN_IBAT4U) / 2)];
 		break;
 	case SPRN_DBAT0U ... SPRN_DBAT3L:
 		bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT0U) / 2];
 		break;
 	case SPRN_DBAT4U ... SPRN_DBAT7L:
-		bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT4U) / 2];
+		bat = &vcpu_book3s->dbat[4 + ((sprn - SPRN_DBAT4U) / 2)];
 		break;
 	default:
 		BUG();

From 0564ee8a8611326f28bae2a0455182b458826762 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:42 +0100
Subject: [PATCH 0538/3638] KVM: PPC: Add helpers to modify ppc fields

The PowerPC specification always lists bits from MSB to LSB. That is
really confusing when you're trying to write C code, because it fits
in pretty badly with the normal (1 << xx) schemes.

So I came up with some nice wrappers that allow to get and set fields
in a u64 with bit numbers exactly as given in the spec. That makes the
code in KVM and the spec easier comparable.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_ppc.h | 33 ++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index 07612189eb8..c7fcdd751f1 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -103,6 +103,39 @@ extern void kvmppc_booke_exit(void);
 
 extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
 
+/*
+ * Cuts out inst bits with ordering according to spec.
+ * That means the leftmost bit is zero. All given bits are included.
+ */
+static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
+{
+	u32 r;
+	u32 mask;
+
+	BUG_ON(msb > lsb);
+
+	mask = (1 << (lsb - msb + 1)) - 1;
+	r = (inst >> (63 - lsb)) & mask;
+
+	return r;
+}
+
+/*
+ * Replaces inst bits with ordering according to spec.
+ */
+static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
+{
+	u32 r;
+	u32 mask;
+
+	BUG_ON(msb > lsb);
+
+	mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
+	r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
+
+	return r;
+}
+
 #ifdef CONFIG_PPC_BOOK3S
 
 /* We assume we're always acting on the current vcpu */

From e5c29e926cd29444d76657398801d49119851a56 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:43 +0100
Subject: [PATCH 0539/3638] KVM: PPC: Enable program interrupt to do MMIO

When we get a program interrupt we usually don't expect it to perform an
MMIO operation. But why not? When we emulate paired singles, we can end
up loading or storing to an MMIO address - and the handling of those
happens in the program interrupt handler.

So let's teach the program interrupt handler how to deal with EMULATE_MMIO.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 38f242a690f..0446c5a39ae 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -841,6 +841,10 @@ program_interrupt:
 			kvmppc_core_queue_program(vcpu, flags);
 			r = RESUME_GUEST;
 			break;
+		case EMULATE_DO_MMIO:
+			run->exit_reason = KVM_EXIT_MMIO;
+			r = RESUME_HOST_NV;
+			break;
 		default:
 			BUG();
 		}

From 831317b605e7d7ce0bdadb3b0f50560fc13cecbf Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:44 +0100
Subject: [PATCH 0540/3638] KVM: PPC: Implement Paired Single emulation

The one big thing about the Gekko is paired singles.

Paired singles are an extension to the instruction set, that adds 32 single
precision floating point registers (qprs), some SPRs to modify the behavior
of paired singled operations and instructions to deal with qprs to the
instruction set.

Unfortunately, it also changes semantics of existing operations that affect
single values in FPRs. In most cases they get mirrored to the coresponding
QPR.

Thanks to that we need to emulate all FPU operations and all the new paired
single operations too.

In order to achieve that, we use the just introduced FPU call helpers to
call the real FPU whenever the guest wants to modify an FPR. Additionally
we also fix up the QPR values along the way.

That way we can execute paired single FPU operations without implementing a
soft fpu.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h    |    1 +
 arch/powerpc/kvm/Makefile                |    1 +
 arch/powerpc/kvm/book3s_64_emulate.c     |    3 +
 arch/powerpc/kvm/book3s_paired_singles.c | 1289 ++++++++++++++++++++++
 4 files changed, 1294 insertions(+)
 create mode 100644 arch/powerpc/kvm/book3s_paired_singles.c

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index fd432100f6d..e6ea974df44 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -121,6 +121,7 @@ extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec)
 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
 			   bool upper, u32 val);
 extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
+extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
 
 extern u32 kvmppc_trampoline_lowmem;
 extern u32 kvmppc_trampoline_enter;
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index e575cfd015f..eba721e3932 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -41,6 +41,7 @@ kvm-objs-$(CONFIG_KVM_E500) := $(kvm-e500-objs)
 kvm-book3s_64-objs := \
 	$(common-objs-y) \
 	fpu.o \
+	book3s_paired_singles.o \
 	book3s.o \
 	book3s_64_emulate.o \
 	book3s_64_interrupts.o \
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index 1d1b9524f0e..c9892140dd0 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -200,6 +200,9 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		emulated = EMULATE_FAIL;
 	}
 
+	if (emulated == EMULATE_FAIL)
+		emulated = kvmppc_emulate_paired_single(run, vcpu);
+
 	return emulated;
 }
 
diff --git a/arch/powerpc/kvm/book3s_paired_singles.c b/arch/powerpc/kvm/book3s_paired_singles.c
new file mode 100644
index 00000000000..7a27bac8c44
--- /dev/null
+++ b/arch/powerpc/kvm/book3s_paired_singles.c
@@ -0,0 +1,1289 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright Novell Inc 2010
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#include <asm/kvm.h>
+#include <asm/kvm_ppc.h>
+#include <asm/disassemble.h>
+#include <asm/kvm_book3s.h>
+#include <asm/kvm_fpu.h>
+#include <asm/reg.h>
+#include <asm/cacheflush.h>
+#include <linux/vmalloc.h>
+
+/* #define DEBUG */
+
+#ifdef DEBUG
+#define dprintk printk
+#else
+#define dprintk(...) do { } while(0);
+#endif
+
+#define OP_LFS			48
+#define OP_LFSU			49
+#define OP_LFD			50
+#define OP_LFDU			51
+#define OP_STFS			52
+#define OP_STFSU		53
+#define OP_STFD			54
+#define OP_STFDU		55
+#define OP_PSQ_L		56
+#define OP_PSQ_LU		57
+#define OP_PSQ_ST		60
+#define OP_PSQ_STU		61
+
+#define OP_31_LFSX		535
+#define OP_31_LFSUX		567
+#define OP_31_LFDX		599
+#define OP_31_LFDUX		631
+#define OP_31_STFSX		663
+#define OP_31_STFSUX		695
+#define OP_31_STFX		727
+#define OP_31_STFUX		759
+#define OP_31_LWIZX		887
+#define OP_31_STFIWX		983
+
+#define OP_59_FADDS		21
+#define OP_59_FSUBS		20
+#define OP_59_FSQRTS		22
+#define OP_59_FDIVS		18
+#define OP_59_FRES		24
+#define OP_59_FMULS		25
+#define OP_59_FRSQRTES		26
+#define OP_59_FMSUBS		28
+#define OP_59_FMADDS		29
+#define OP_59_FNMSUBS		30
+#define OP_59_FNMADDS		31
+
+#define OP_63_FCMPU		0
+#define OP_63_FCPSGN		8
+#define OP_63_FRSP		12
+#define OP_63_FCTIW		14
+#define OP_63_FCTIWZ		15
+#define OP_63_FDIV		18
+#define OP_63_FADD		21
+#define OP_63_FSQRT		22
+#define OP_63_FSEL		23
+#define OP_63_FRE		24
+#define OP_63_FMUL		25
+#define OP_63_FRSQRTE		26
+#define OP_63_FMSUB		28
+#define OP_63_FMADD		29
+#define OP_63_FNMSUB		30
+#define OP_63_FNMADD		31
+#define OP_63_FCMPO		32
+#define OP_63_MTFSB1		38 // XXX
+#define OP_63_FSUB		20
+#define OP_63_FNEG		40
+#define OP_63_MCRFS		64
+#define OP_63_MTFSB0		70
+#define OP_63_FMR		72
+#define OP_63_MTFSFI		134
+#define OP_63_FABS		264
+#define OP_63_MFFS		583
+#define OP_63_MTFSF		711
+
+#define OP_4X_PS_CMPU0		0
+#define OP_4X_PSQ_LX		6
+#define OP_4XW_PSQ_STX		7
+#define OP_4A_PS_SUM0		10
+#define OP_4A_PS_SUM1		11
+#define OP_4A_PS_MULS0		12
+#define OP_4A_PS_MULS1		13
+#define OP_4A_PS_MADDS0		14
+#define OP_4A_PS_MADDS1		15
+#define OP_4A_PS_DIV		18
+#define OP_4A_PS_SUB		20
+#define OP_4A_PS_ADD		21
+#define OP_4A_PS_SEL		23
+#define OP_4A_PS_RES		24
+#define OP_4A_PS_MUL		25
+#define OP_4A_PS_RSQRTE		26
+#define OP_4A_PS_MSUB		28
+#define OP_4A_PS_MADD		29
+#define OP_4A_PS_NMSUB		30
+#define OP_4A_PS_NMADD		31
+#define OP_4X_PS_CMPO0		32
+#define OP_4X_PSQ_LUX		38
+#define OP_4XW_PSQ_STUX		39
+#define OP_4X_PS_NEG		40
+#define OP_4X_PS_CMPU1		64
+#define OP_4X_PS_MR		72
+#define OP_4X_PS_CMPO1		96
+#define OP_4X_PS_NABS		136
+#define OP_4X_PS_ABS		264
+#define OP_4X_PS_MERGE00	528
+#define OP_4X_PS_MERGE01	560
+#define OP_4X_PS_MERGE10	592
+#define OP_4X_PS_MERGE11	624
+
+#define SCALAR_NONE		0
+#define SCALAR_HIGH		(1 << 0)
+#define SCALAR_LOW		(1 << 1)
+#define SCALAR_NO_PS0		(1 << 2)
+#define SCALAR_NO_PS1		(1 << 3)
+
+#define GQR_ST_TYPE_MASK	0x00000007
+#define GQR_ST_TYPE_SHIFT	0
+#define GQR_ST_SCALE_MASK	0x00003f00
+#define GQR_ST_SCALE_SHIFT	8
+#define GQR_LD_TYPE_MASK	0x00070000
+#define GQR_LD_TYPE_SHIFT	16
+#define GQR_LD_SCALE_MASK	0x3f000000
+#define GQR_LD_SCALE_SHIFT	24
+
+#define GQR_QUANTIZE_FLOAT	0
+#define GQR_QUANTIZE_U8		4
+#define GQR_QUANTIZE_U16	5
+#define GQR_QUANTIZE_S8		6
+#define GQR_QUANTIZE_S16	7
+
+#define FPU_LS_SINGLE		0
+#define FPU_LS_DOUBLE		1
+#define FPU_LS_SINGLE_LOW	2
+
+static inline void kvmppc_sync_qpr(struct kvm_vcpu *vcpu, int rt)
+{
+	struct thread_struct t;
+
+	t.fpscr.val = vcpu->arch.fpscr;
+	cvt_df((double*)&vcpu->arch.fpr[rt], (float*)&vcpu->arch.qpr[rt], &t);
+}
+
+static void kvmppc_inject_pf(struct kvm_vcpu *vcpu, ulong eaddr, bool is_store)
+{
+	u64 dsisr;
+
+	vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 33, 36, 0);
+	vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 42, 47, 0);
+	vcpu->arch.dear = eaddr;
+	/* Page Fault */
+	dsisr = kvmppc_set_field(0, 33, 33, 1);
+	if (is_store)
+		to_book3s(vcpu)->dsisr = kvmppc_set_field(dsisr, 38, 38, 1);
+	kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DATA_STORAGE);
+}
+
+static int kvmppc_emulate_fpr_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+				   int rs, ulong addr, int ls_type)
+{
+	int emulated = EMULATE_FAIL;
+	struct thread_struct t;
+	int r;
+	char tmp[8];
+	int len = sizeof(u32);
+
+	if (ls_type == FPU_LS_DOUBLE)
+		len = sizeof(u64);
+
+	t.fpscr.val = vcpu->arch.fpscr;
+
+	/* read from memory */
+	r = kvmppc_ld(vcpu, &addr, len, tmp, true);
+	vcpu->arch.paddr_accessed = addr;
+
+	if (r < 0) {
+		kvmppc_inject_pf(vcpu, addr, false);
+		goto done_load;
+	} else if (r == EMULATE_DO_MMIO) {
+		emulated = kvmppc_handle_load(run, vcpu, KVM_REG_FPR | rs, len, 1);
+		goto done_load;
+	}
+
+	emulated = EMULATE_DONE;
+
+	/* put in registers */
+	switch (ls_type) {
+	case FPU_LS_SINGLE:
+		cvt_fd((float*)tmp, (double*)&vcpu->arch.fpr[rs], &t);
+		vcpu->arch.qpr[rs] = *((u32*)tmp);
+		break;
+	case FPU_LS_DOUBLE:
+		vcpu->arch.fpr[rs] = *((u64*)tmp);
+		break;
+	}
+
+	dprintk(KERN_INFO "KVM: FPR_LD [0x%llx] at 0x%lx (%d)\n", *(u64*)tmp,
+			  addr, len);
+
+done_load:
+	return emulated;
+}
+
+static int kvmppc_emulate_fpr_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
+				    int rs, ulong addr, int ls_type)
+{
+	int emulated = EMULATE_FAIL;
+	struct thread_struct t;
+	int r;
+	char tmp[8];
+	u64 val;
+	int len;
+
+	t.fpscr.val = vcpu->arch.fpscr;
+
+	switch (ls_type) {
+	case FPU_LS_SINGLE:
+		cvt_df((double*)&vcpu->arch.fpr[rs], (float*)tmp, &t);
+		val = *((u32*)tmp);
+		len = sizeof(u32);
+		break;
+	case FPU_LS_SINGLE_LOW:
+		*((u32*)tmp) = vcpu->arch.fpr[rs];
+		val = vcpu->arch.fpr[rs] & 0xffffffff;
+		len = sizeof(u32);
+		break;
+	case FPU_LS_DOUBLE:
+		*((u64*)tmp) = vcpu->arch.fpr[rs];
+		val = vcpu->arch.fpr[rs];
+		len = sizeof(u64);
+		break;
+	default:
+		val = 0;
+		len = 0;
+	}
+
+	r = kvmppc_st(vcpu, &addr, len, tmp, true);
+	vcpu->arch.paddr_accessed = addr;
+	if (r < 0) {
+		kvmppc_inject_pf(vcpu, addr, true);
+	} else if (r == EMULATE_DO_MMIO) {
+		emulated = kvmppc_handle_store(run, vcpu, val, len, 1);
+	} else {
+		emulated = EMULATE_DONE;
+	}
+
+	dprintk(KERN_INFO "KVM: FPR_ST [0x%llx] at 0x%lx (%d)\n",
+			  val, addr, len);
+
+	return emulated;
+}
+
+static int kvmppc_emulate_psq_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+				   int rs, ulong addr, bool w, int i)
+{
+	int emulated = EMULATE_FAIL;
+	struct thread_struct t;
+	int r;
+	float one = 1.0;
+	u32 tmp[2];
+
+	t.fpscr.val = vcpu->arch.fpscr;
+
+	/* read from memory */
+	if (w) {
+		r = kvmppc_ld(vcpu, &addr, sizeof(u32), tmp, true);
+		memcpy(&tmp[1], &one, sizeof(u32));
+	} else {
+		r = kvmppc_ld(vcpu, &addr, sizeof(u32) * 2, tmp, true);
+	}
+	vcpu->arch.paddr_accessed = addr;
+	if (r < 0) {
+		kvmppc_inject_pf(vcpu, addr, false);
+		goto done_load;
+	} else if ((r == EMULATE_DO_MMIO) && w) {
+		emulated = kvmppc_handle_load(run, vcpu, KVM_REG_FPR | rs, 4, 1);
+		vcpu->arch.qpr[rs] = tmp[1];
+		goto done_load;
+	} else if (r == EMULATE_DO_MMIO) {
+		emulated = kvmppc_handle_load(run, vcpu, KVM_REG_FQPR | rs, 8, 1);
+		goto done_load;
+	}
+
+	emulated = EMULATE_DONE;
+
+	/* put in registers */
+	cvt_fd((float*)&tmp[0], (double*)&vcpu->arch.fpr[rs], &t);
+	vcpu->arch.qpr[rs] = tmp[1];
+
+	dprintk(KERN_INFO "KVM: PSQ_LD [0x%x, 0x%x] at 0x%lx (%d)\n", tmp[0],
+			  tmp[1], addr, w ? 4 : 8);
+
+done_load:
+	return emulated;
+}
+
+static int kvmppc_emulate_psq_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
+				    int rs, ulong addr, bool w, int i)
+{
+	int emulated = EMULATE_FAIL;
+	struct thread_struct t;
+	int r;
+	u32 tmp[2];
+	int len = w ? sizeof(u32) : sizeof(u64);
+
+	t.fpscr.val = vcpu->arch.fpscr;
+
+	cvt_df((double*)&vcpu->arch.fpr[rs], (float*)&tmp[0], &t);
+	tmp[1] = vcpu->arch.qpr[rs];
+
+	r = kvmppc_st(vcpu, &addr, len, tmp, true);
+	vcpu->arch.paddr_accessed = addr;
+	if (r < 0) {
+		kvmppc_inject_pf(vcpu, addr, true);
+	} else if ((r == EMULATE_DO_MMIO) && w) {
+		emulated = kvmppc_handle_store(run, vcpu, tmp[0], 4, 1);
+	} else if (r == EMULATE_DO_MMIO) {
+		u64 val = ((u64)tmp[0] << 32) | tmp[1];
+		emulated = kvmppc_handle_store(run, vcpu, val, 8, 1);
+	} else {
+		emulated = EMULATE_DONE;
+	}
+
+	dprintk(KERN_INFO "KVM: PSQ_ST [0x%x, 0x%x] at 0x%lx (%d)\n",
+			  tmp[0], tmp[1], addr, len);
+
+	return emulated;
+}
+
+/*
+ * Cuts out inst bits with ordering according to spec.
+ * That means the leftmost bit is zero. All given bits are included.
+ */
+static inline u32 inst_get_field(u32 inst, int msb, int lsb)
+{
+	return kvmppc_get_field(inst, msb + 32, lsb + 32);
+}
+
+/*
+ * Replaces inst bits with ordering according to spec.
+ */
+static inline u32 inst_set_field(u32 inst, int msb, int lsb, int value)
+{
+	return kvmppc_set_field(inst, msb + 32, lsb + 32, value);
+}
+
+bool kvmppc_inst_is_paired_single(struct kvm_vcpu *vcpu, u32 inst)
+{
+	if (!(vcpu->arch.hflags & BOOK3S_HFLAG_PAIRED_SINGLE))
+		return false;
+
+	switch (get_op(inst)) {
+	case OP_PSQ_L:
+	case OP_PSQ_LU:
+	case OP_PSQ_ST:
+	case OP_PSQ_STU:
+	case OP_LFS:
+	case OP_LFSU:
+	case OP_LFD:
+	case OP_LFDU:
+	case OP_STFS:
+	case OP_STFSU:
+	case OP_STFD:
+	case OP_STFDU:
+		return true;
+	case 4:
+		/* X form */
+		switch (inst_get_field(inst, 21, 30)) {
+		case OP_4X_PS_CMPU0:
+		case OP_4X_PSQ_LX:
+		case OP_4X_PS_CMPO0:
+		case OP_4X_PSQ_LUX:
+		case OP_4X_PS_NEG:
+		case OP_4X_PS_CMPU1:
+		case OP_4X_PS_MR:
+		case OP_4X_PS_CMPO1:
+		case OP_4X_PS_NABS:
+		case OP_4X_PS_ABS:
+		case OP_4X_PS_MERGE00:
+		case OP_4X_PS_MERGE01:
+		case OP_4X_PS_MERGE10:
+		case OP_4X_PS_MERGE11:
+			return true;
+		}
+		/* XW form */
+		switch (inst_get_field(inst, 25, 30)) {
+		case OP_4XW_PSQ_STX:
+		case OP_4XW_PSQ_STUX:
+			return true;
+		}
+		/* A form */
+		switch (inst_get_field(inst, 26, 30)) {
+		case OP_4A_PS_SUM1:
+		case OP_4A_PS_SUM0:
+		case OP_4A_PS_MULS0:
+		case OP_4A_PS_MULS1:
+		case OP_4A_PS_MADDS0:
+		case OP_4A_PS_MADDS1:
+		case OP_4A_PS_DIV:
+		case OP_4A_PS_SUB:
+		case OP_4A_PS_ADD:
+		case OP_4A_PS_SEL:
+		case OP_4A_PS_RES:
+		case OP_4A_PS_MUL:
+		case OP_4A_PS_RSQRTE:
+		case OP_4A_PS_MSUB:
+		case OP_4A_PS_MADD:
+		case OP_4A_PS_NMSUB:
+		case OP_4A_PS_NMADD:
+			return true;
+		}
+		break;
+	case 59:
+		switch (inst_get_field(inst, 21, 30)) {
+		case OP_59_FADDS:
+		case OP_59_FSUBS:
+		case OP_59_FDIVS:
+		case OP_59_FRES:
+		case OP_59_FRSQRTES:
+			return true;
+		}
+		switch (inst_get_field(inst, 26, 30)) {
+		case OP_59_FMULS:
+		case OP_59_FMSUBS:
+		case OP_59_FMADDS:
+		case OP_59_FNMSUBS:
+		case OP_59_FNMADDS:
+			return true;
+		}
+		break;
+	case 63:
+		switch (inst_get_field(inst, 21, 30)) {
+		case OP_63_MTFSB0:
+		case OP_63_MTFSB1:
+		case OP_63_MTFSF:
+		case OP_63_MTFSFI:
+		case OP_63_MCRFS:
+		case OP_63_MFFS:
+		case OP_63_FCMPU:
+		case OP_63_FCMPO:
+		case OP_63_FNEG:
+		case OP_63_FMR:
+		case OP_63_FABS:
+		case OP_63_FRSP:
+		case OP_63_FDIV:
+		case OP_63_FADD:
+		case OP_63_FSUB:
+		case OP_63_FCTIW:
+		case OP_63_FCTIWZ:
+		case OP_63_FRSQRTE:
+		case OP_63_FCPSGN:
+			return true;
+		}
+		switch (inst_get_field(inst, 26, 30)) {
+		case OP_63_FMUL:
+		case OP_63_FSEL:
+		case OP_63_FMSUB:
+		case OP_63_FMADD:
+		case OP_63_FNMSUB:
+		case OP_63_FNMADD:
+			return true;
+		}
+		break;
+	case 31:
+		switch (inst_get_field(inst, 21, 30)) {
+		case OP_31_LFSX:
+		case OP_31_LFSUX:
+		case OP_31_LFDX:
+		case OP_31_LFDUX:
+		case OP_31_STFSX:
+		case OP_31_STFSUX:
+		case OP_31_STFX:
+		case OP_31_STFUX:
+		case OP_31_STFIWX:
+			return true;
+		}
+		break;
+	}
+
+	return false;
+}
+
+static int get_d_signext(u32 inst)
+{
+	int d = inst & 0x8ff;
+
+	if (d & 0x800)
+		return -(d & 0x7ff);
+
+	return (d & 0x7ff);
+}
+
+static int kvmppc_ps_three_in(struct kvm_vcpu *vcpu, bool rc,
+				      int reg_out, int reg_in1, int reg_in2,
+				      int reg_in3, int scalar,
+				      void (*func)(struct thread_struct *t,
+						 u32 *dst, u32 *src1,
+						 u32 *src2, u32 *src3))
+{
+	u32 *qpr = vcpu->arch.qpr;
+	u64 *fpr = vcpu->arch.fpr;
+	u32 ps0_out;
+	u32 ps0_in1, ps0_in2, ps0_in3;
+	u32 ps1_in1, ps1_in2, ps1_in3;
+	struct thread_struct t;
+	t.fpscr.val = vcpu->arch.fpscr;
+
+	/* RC */
+	WARN_ON(rc);
+
+	/* PS0 */
+	cvt_df((double*)&fpr[reg_in1], (float*)&ps0_in1, &t);
+	cvt_df((double*)&fpr[reg_in2], (float*)&ps0_in2, &t);
+	cvt_df((double*)&fpr[reg_in3], (float*)&ps0_in3, &t);
+
+	if (scalar & SCALAR_LOW)
+		ps0_in2 = qpr[reg_in2];
+
+	func(&t, &ps0_out, &ps0_in1, &ps0_in2, &ps0_in3);
+
+	dprintk(KERN_INFO "PS3 ps0 -> f(0x%x, 0x%x, 0x%x) = 0x%x\n",
+			  ps0_in1, ps0_in2, ps0_in3, ps0_out);
+
+	if (!(scalar & SCALAR_NO_PS0))
+		cvt_fd((float*)&ps0_out, (double*)&fpr[reg_out], &t);
+
+	/* PS1 */
+	ps1_in1 = qpr[reg_in1];
+	ps1_in2 = qpr[reg_in2];
+	ps1_in3 = qpr[reg_in3];
+
+	if (scalar & SCALAR_HIGH)
+		ps1_in2 = ps0_in2;
+
+	if (!(scalar & SCALAR_NO_PS1))
+		func(&t, &qpr[reg_out], &ps1_in1, &ps1_in2, &ps1_in3);
+
+	dprintk(KERN_INFO "PS3 ps1 -> f(0x%x, 0x%x, 0x%x) = 0x%x\n",
+			  ps1_in1, ps1_in2, ps1_in3, qpr[reg_out]);
+
+	return EMULATE_DONE;
+}
+
+static int kvmppc_ps_two_in(struct kvm_vcpu *vcpu, bool rc,
+				    int reg_out, int reg_in1, int reg_in2,
+				    int scalar,
+				    void (*func)(struct thread_struct *t,
+						 u32 *dst, u32 *src1,
+						 u32 *src2))
+{
+	u32 *qpr = vcpu->arch.qpr;
+	u64 *fpr = vcpu->arch.fpr;
+	u32 ps0_out;
+	u32 ps0_in1, ps0_in2;
+	u32 ps1_out;
+	u32 ps1_in1, ps1_in2;
+	struct thread_struct t;
+	t.fpscr.val = vcpu->arch.fpscr;
+
+	/* RC */
+	WARN_ON(rc);
+
+	/* PS0 */
+	cvt_df((double*)&fpr[reg_in1], (float*)&ps0_in1, &t);
+
+	if (scalar & SCALAR_LOW)
+		ps0_in2 = qpr[reg_in2];
+	else
+		cvt_df((double*)&fpr[reg_in2], (float*)&ps0_in2, &t);
+
+	func(&t, &ps0_out, &ps0_in1, &ps0_in2);
+
+	if (!(scalar & SCALAR_NO_PS0)) {
+		dprintk(KERN_INFO "PS2 ps0 -> f(0x%x, 0x%x) = 0x%x\n",
+				  ps0_in1, ps0_in2, ps0_out);
+
+		cvt_fd((float*)&ps0_out, (double*)&fpr[reg_out], &t);
+	}
+
+	/* PS1 */
+	ps1_in1 = qpr[reg_in1];
+	ps1_in2 = qpr[reg_in2];
+
+	if (scalar & SCALAR_HIGH)
+		ps1_in2 = ps0_in2;
+
+	func(&t, &ps1_out, &ps1_in1, &ps1_in2);
+
+	if (!(scalar & SCALAR_NO_PS1)) {
+		qpr[reg_out] = ps1_out;
+
+		dprintk(KERN_INFO "PS2 ps1 -> f(0x%x, 0x%x) = 0x%x\n",
+				  ps1_in1, ps1_in2, qpr[reg_out]);
+	}
+
+	return EMULATE_DONE;
+}
+
+static int kvmppc_ps_one_in(struct kvm_vcpu *vcpu, bool rc,
+				    int reg_out, int reg_in,
+				    void (*func)(struct thread_struct *t,
+						 u32 *dst, u32 *src1))
+{
+	u32 *qpr = vcpu->arch.qpr;
+	u64 *fpr = vcpu->arch.fpr;
+	u32 ps0_out, ps0_in;
+	u32 ps1_in;
+	struct thread_struct t;
+	t.fpscr.val = vcpu->arch.fpscr;
+
+	/* RC */
+	WARN_ON(rc);
+
+	/* PS0 */
+	cvt_df((double*)&fpr[reg_in], (float*)&ps0_in, &t);
+	func(&t, &ps0_out, &ps0_in);
+
+	dprintk(KERN_INFO "PS1 ps0 -> f(0x%x) = 0x%x\n",
+			  ps0_in, ps0_out);
+
+	cvt_fd((float*)&ps0_out, (double*)&fpr[reg_out], &t);
+
+	/* PS1 */
+	ps1_in = qpr[reg_in];
+	func(&t, &qpr[reg_out], &ps1_in);
+
+	dprintk(KERN_INFO "PS1 ps1 -> f(0x%x) = 0x%x\n",
+			  ps1_in, qpr[reg_out]);
+
+	return EMULATE_DONE;
+}
+
+int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
+{
+	u32 inst = vcpu->arch.last_inst;
+	enum emulation_result emulated = EMULATE_DONE;
+
+	int ax_rd = inst_get_field(inst, 6, 10);
+	int ax_ra = inst_get_field(inst, 11, 15);
+	int ax_rb = inst_get_field(inst, 16, 20);
+	int ax_rc = inst_get_field(inst, 21, 25);
+	short full_d = inst_get_field(inst, 16, 31);
+
+	u64 *fpr_d = &vcpu->arch.fpr[ax_rd];
+	u64 *fpr_a = &vcpu->arch.fpr[ax_ra];
+	u64 *fpr_b = &vcpu->arch.fpr[ax_rb];
+	u64 *fpr_c = &vcpu->arch.fpr[ax_rc];
+
+	bool rcomp = (inst & 1) ? true : false;
+	u32 cr = kvmppc_get_cr(vcpu);
+	struct thread_struct t;
+#ifdef DEBUG
+	int i;
+#endif
+
+	t.fpscr.val = vcpu->arch.fpscr;
+
+	if (!kvmppc_inst_is_paired_single(vcpu, inst))
+		return EMULATE_FAIL;
+
+	if (!(vcpu->arch.msr & MSR_FP)) {
+		kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL);
+		return EMULATE_AGAIN;
+	}
+
+	kvmppc_giveup_ext(vcpu, MSR_FP);
+	preempt_disable();
+	enable_kernel_fp();
+	/* Do we need to clear FE0 / FE1 here? Don't think so. */
+
+#ifdef DEBUG
+	for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) {
+		u32 f;
+		cvt_df((double*)&vcpu->arch.fpr[i], (float*)&f, &t);
+		dprintk(KERN_INFO "FPR[%d] = 0x%x / 0x%llx    QPR[%d] = 0x%x\n",
+			i, f, vcpu->arch.fpr[i], i, vcpu->arch.qpr[i]);
+	}
+#endif
+
+	switch (get_op(inst)) {
+	case OP_PSQ_L:
+	{
+		ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
+		bool w = inst_get_field(inst, 16, 16) ? true : false;
+		int i = inst_get_field(inst, 17, 19);
+
+		addr += get_d_signext(inst);
+		emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
+		break;
+	}
+	case OP_PSQ_LU:
+	{
+		ulong addr = kvmppc_get_gpr(vcpu, ax_ra);
+		bool w = inst_get_field(inst, 16, 16) ? true : false;
+		int i = inst_get_field(inst, 17, 19);
+
+		addr += get_d_signext(inst);
+		emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
+
+		if (emulated == EMULATE_DONE)
+			kvmppc_set_gpr(vcpu, ax_ra, addr);
+		break;
+	}
+	case OP_PSQ_ST:
+	{
+		ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
+		bool w = inst_get_field(inst, 16, 16) ? true : false;
+		int i = inst_get_field(inst, 17, 19);
+
+		addr += get_d_signext(inst);
+		emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
+		break;
+	}
+	case OP_PSQ_STU:
+	{
+		ulong addr = kvmppc_get_gpr(vcpu, ax_ra);
+		bool w = inst_get_field(inst, 16, 16) ? true : false;
+		int i = inst_get_field(inst, 17, 19);
+
+		addr += get_d_signext(inst);
+		emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
+
+		if (emulated == EMULATE_DONE)
+			kvmppc_set_gpr(vcpu, ax_ra, addr);
+		break;
+	}
+	case 4:
+		/* X form */
+		switch (inst_get_field(inst, 21, 30)) {
+		case OP_4X_PS_CMPU0:
+			/* XXX */
+			emulated = EMULATE_FAIL;
+			break;
+		case OP_4X_PSQ_LX:
+		{
+			ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
+			bool w = inst_get_field(inst, 21, 21) ? true : false;
+			int i = inst_get_field(inst, 22, 24);
+
+			addr += kvmppc_get_gpr(vcpu, ax_rb);
+			emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
+			break;
+		}
+		case OP_4X_PS_CMPO0:
+			/* XXX */
+			emulated = EMULATE_FAIL;
+			break;
+		case OP_4X_PSQ_LUX:
+		{
+			ulong addr = kvmppc_get_gpr(vcpu, ax_ra);
+			bool w = inst_get_field(inst, 21, 21) ? true : false;
+			int i = inst_get_field(inst, 22, 24);
+
+			addr += kvmppc_get_gpr(vcpu, ax_rb);
+			emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
+
+			if (emulated == EMULATE_DONE)
+				kvmppc_set_gpr(vcpu, ax_ra, addr);
+			break;
+		}
+		case OP_4X_PS_NEG:
+			vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rb];
+			vcpu->arch.fpr[ax_rd] ^= 0x8000000000000000ULL;
+			vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
+			vcpu->arch.qpr[ax_rd] ^= 0x80000000;
+			break;
+		case OP_4X_PS_CMPU1:
+			/* XXX */
+			emulated = EMULATE_FAIL;
+			break;
+		case OP_4X_PS_MR:
+			WARN_ON(rcomp);
+			vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rb];
+			vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
+			break;
+		case OP_4X_PS_CMPO1:
+			/* XXX */
+			emulated = EMULATE_FAIL;
+			break;
+		case OP_4X_PS_NABS:
+			WARN_ON(rcomp);
+			vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rb];
+			vcpu->arch.fpr[ax_rd] |= 0x8000000000000000ULL;
+			vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
+			vcpu->arch.qpr[ax_rd] |= 0x80000000;
+			break;
+		case OP_4X_PS_ABS:
+			WARN_ON(rcomp);
+			vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rb];
+			vcpu->arch.fpr[ax_rd] &= ~0x8000000000000000ULL;
+			vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
+			vcpu->arch.qpr[ax_rd] &= ~0x80000000;
+			break;
+		case OP_4X_PS_MERGE00:
+			WARN_ON(rcomp);
+			vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_ra];
+			/* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */
+			cvt_df((double*)&vcpu->arch.fpr[ax_rb],
+			       (float*)&vcpu->arch.qpr[ax_rd], &t);
+			break;
+		case OP_4X_PS_MERGE01:
+			WARN_ON(rcomp);
+			vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_ra];
+			vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
+			break;
+		case OP_4X_PS_MERGE10:
+			WARN_ON(rcomp);
+			/* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */
+			cvt_fd((float*)&vcpu->arch.qpr[ax_ra],
+			       (double*)&vcpu->arch.fpr[ax_rd], &t);
+			/* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */
+			cvt_df((double*)&vcpu->arch.fpr[ax_rb],
+			       (float*)&vcpu->arch.qpr[ax_rd], &t);
+			break;
+		case OP_4X_PS_MERGE11:
+			WARN_ON(rcomp);
+			/* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */
+			cvt_fd((float*)&vcpu->arch.qpr[ax_ra],
+			       (double*)&vcpu->arch.fpr[ax_rd], &t);
+			vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
+			break;
+		}
+		/* XW form */
+		switch (inst_get_field(inst, 25, 30)) {
+		case OP_4XW_PSQ_STX:
+		{
+			ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
+			bool w = inst_get_field(inst, 21, 21) ? true : false;
+			int i = inst_get_field(inst, 22, 24);
+
+			addr += kvmppc_get_gpr(vcpu, ax_rb);
+			emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
+			break;
+		}
+		case OP_4XW_PSQ_STUX:
+		{
+			ulong addr = kvmppc_get_gpr(vcpu, ax_ra);
+			bool w = inst_get_field(inst, 21, 21) ? true : false;
+			int i = inst_get_field(inst, 22, 24);
+
+			addr += kvmppc_get_gpr(vcpu, ax_rb);
+			emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
+
+			if (emulated == EMULATE_DONE)
+				kvmppc_set_gpr(vcpu, ax_ra, addr);
+			break;
+		}
+		}
+		/* A form */
+		switch (inst_get_field(inst, 26, 30)) {
+		case OP_4A_PS_SUM1:
+			emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
+					ax_rb, ax_ra, SCALAR_NO_PS0 | SCALAR_HIGH, fps_fadds);
+			vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rc];
+			break;
+		case OP_4A_PS_SUM0:
+			emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rb, SCALAR_NO_PS1 | SCALAR_LOW, fps_fadds);
+			vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rc];
+			break;
+		case OP_4A_PS_MULS0:
+			emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, SCALAR_HIGH, fps_fmuls);
+			break;
+		case OP_4A_PS_MULS1:
+			emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, SCALAR_LOW, fps_fmuls);
+			break;
+		case OP_4A_PS_MADDS0:
+			emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, ax_rb, SCALAR_HIGH, fps_fmadds);
+			break;
+		case OP_4A_PS_MADDS1:
+			emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, ax_rb, SCALAR_LOW, fps_fmadds);
+			break;
+		case OP_4A_PS_DIV:
+			emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rb, SCALAR_NONE, fps_fdivs);
+			break;
+		case OP_4A_PS_SUB:
+			emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rb, SCALAR_NONE, fps_fsubs);
+			break;
+		case OP_4A_PS_ADD:
+			emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rb, SCALAR_NONE, fps_fadds);
+			break;
+		case OP_4A_PS_SEL:
+			emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fsel);
+			break;
+		case OP_4A_PS_RES:
+			emulated = kvmppc_ps_one_in(vcpu, rcomp, ax_rd,
+					ax_rb, fps_fres);
+			break;
+		case OP_4A_PS_MUL:
+			emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, SCALAR_NONE, fps_fmuls);
+			break;
+		case OP_4A_PS_RSQRTE:
+			emulated = kvmppc_ps_one_in(vcpu, rcomp, ax_rd,
+					ax_rb, fps_frsqrte);
+			break;
+		case OP_4A_PS_MSUB:
+			emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fmsubs);
+			break;
+		case OP_4A_PS_MADD:
+			emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fmadds);
+			break;
+		case OP_4A_PS_NMSUB:
+			emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fnmsubs);
+			break;
+		case OP_4A_PS_NMADD:
+			emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
+					ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fnmadds);
+			break;
+		}
+		break;
+
+	/* Real FPU operations */
+
+	case OP_LFS:
+	{
+		ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
+
+		emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
+						   FPU_LS_SINGLE);
+		break;
+	}
+	case OP_LFSU:
+	{
+		ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
+
+		emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
+						   FPU_LS_SINGLE);
+
+		if (emulated == EMULATE_DONE)
+			kvmppc_set_gpr(vcpu, ax_ra, addr);
+		break;
+	}
+	case OP_LFD:
+	{
+		ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
+
+		emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
+						   FPU_LS_DOUBLE);
+		break;
+	}
+	case OP_LFDU:
+	{
+		ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
+
+		emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
+						   FPU_LS_DOUBLE);
+
+		if (emulated == EMULATE_DONE)
+			kvmppc_set_gpr(vcpu, ax_ra, addr);
+		break;
+	}
+	case OP_STFS:
+	{
+		ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
+
+		emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
+						    FPU_LS_SINGLE);
+		break;
+	}
+	case OP_STFSU:
+	{
+		ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
+
+		emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
+						    FPU_LS_SINGLE);
+
+		if (emulated == EMULATE_DONE)
+			kvmppc_set_gpr(vcpu, ax_ra, addr);
+		break;
+	}
+	case OP_STFD:
+	{
+		ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
+
+		emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
+						    FPU_LS_DOUBLE);
+		break;
+	}
+	case OP_STFDU:
+	{
+		ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
+
+		emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
+						    FPU_LS_DOUBLE);
+
+		if (emulated == EMULATE_DONE)
+			kvmppc_set_gpr(vcpu, ax_ra, addr);
+		break;
+	}
+	case 31:
+		switch (inst_get_field(inst, 21, 30)) {
+		case OP_31_LFSX:
+		{
+			ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
+
+			addr += kvmppc_get_gpr(vcpu, ax_rb);
+			emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
+							   addr, FPU_LS_SINGLE);
+			break;
+		}
+		case OP_31_LFSUX:
+		{
+			ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
+				     kvmppc_get_gpr(vcpu, ax_rb);
+
+			emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
+							   addr, FPU_LS_SINGLE);
+
+			if (emulated == EMULATE_DONE)
+				kvmppc_set_gpr(vcpu, ax_ra, addr);
+			break;
+		}
+		case OP_31_LFDX:
+		{
+			ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
+				     kvmppc_get_gpr(vcpu, ax_rb);
+
+			emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
+							   addr, FPU_LS_DOUBLE);
+			break;
+		}
+		case OP_31_LFDUX:
+		{
+			ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
+				     kvmppc_get_gpr(vcpu, ax_rb);
+
+			emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
+							   addr, FPU_LS_DOUBLE);
+
+			if (emulated == EMULATE_DONE)
+				kvmppc_set_gpr(vcpu, ax_ra, addr);
+			break;
+		}
+		case OP_31_STFSX:
+		{
+			ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
+				     kvmppc_get_gpr(vcpu, ax_rb);
+
+			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
+							    addr, FPU_LS_SINGLE);
+			break;
+		}
+		case OP_31_STFSUX:
+		{
+			ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
+				     kvmppc_get_gpr(vcpu, ax_rb);
+
+			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
+							    addr, FPU_LS_SINGLE);
+
+			if (emulated == EMULATE_DONE)
+				kvmppc_set_gpr(vcpu, ax_ra, addr);
+			break;
+		}
+		case OP_31_STFX:
+		{
+			ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
+				     kvmppc_get_gpr(vcpu, ax_rb);
+
+			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
+							    addr, FPU_LS_DOUBLE);
+			break;
+		}
+		case OP_31_STFUX:
+		{
+			ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
+				     kvmppc_get_gpr(vcpu, ax_rb);
+
+			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
+							    addr, FPU_LS_DOUBLE);
+
+			if (emulated == EMULATE_DONE)
+				kvmppc_set_gpr(vcpu, ax_ra, addr);
+			break;
+		}
+		case OP_31_STFIWX:
+		{
+			ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
+				     kvmppc_get_gpr(vcpu, ax_rb);
+
+			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
+							    addr,
+							    FPU_LS_SINGLE_LOW);
+			break;
+		}
+			break;
+		}
+		break;
+	case 59:
+		switch (inst_get_field(inst, 21, 30)) {
+		case OP_59_FADDS:
+			fpd_fadds(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_59_FSUBS:
+			fpd_fsubs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_59_FDIVS:
+			fpd_fdivs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_59_FRES:
+			fpd_fres(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_59_FRSQRTES:
+			fpd_frsqrtes(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		}
+		switch (inst_get_field(inst, 26, 30)) {
+		case OP_59_FMULS:
+			fpd_fmuls(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_59_FMSUBS:
+			fpd_fmsubs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_59_FMADDS:
+			fpd_fmadds(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_59_FNMSUBS:
+			fpd_fnmsubs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_59_FNMADDS:
+			fpd_fnmadds(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		}
+		break;
+	case 63:
+		switch (inst_get_field(inst, 21, 30)) {
+		case OP_63_MTFSB0:
+		case OP_63_MTFSB1:
+		case OP_63_MCRFS:
+		case OP_63_MTFSFI:
+			/* XXX need to implement */
+			break;
+		case OP_63_MFFS:
+			/* XXX missing CR */
+			*fpr_d = vcpu->arch.fpscr;
+			break;
+		case OP_63_MTFSF:
+			/* XXX missing fm bits */
+			/* XXX missing CR */
+			vcpu->arch.fpscr = *fpr_b;
+			break;
+		case OP_63_FCMPU:
+		{
+			u32 tmp_cr;
+			u32 cr0_mask = 0xf0000000;
+			u32 cr_shift = inst_get_field(inst, 6, 8) * 4;
+
+			fpd_fcmpu(&vcpu->arch.fpscr, &tmp_cr, fpr_a, fpr_b);
+			cr &= ~(cr0_mask >> cr_shift);
+			cr |= (cr & cr0_mask) >> cr_shift;
+			break;
+		}
+		case OP_63_FCMPO:
+		{
+			u32 tmp_cr;
+			u32 cr0_mask = 0xf0000000;
+			u32 cr_shift = inst_get_field(inst, 6, 8) * 4;
+
+			fpd_fcmpo(&vcpu->arch.fpscr, &tmp_cr, fpr_a, fpr_b);
+			cr &= ~(cr0_mask >> cr_shift);
+			cr |= (cr & cr0_mask) >> cr_shift;
+			break;
+		}
+		case OP_63_FNEG:
+			fpd_fneg(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
+			break;
+		case OP_63_FMR:
+			*fpr_d = *fpr_b;
+			break;
+		case OP_63_FABS:
+			fpd_fabs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
+			break;
+		case OP_63_FCPSGN:
+			fpd_fcpsgn(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
+			break;
+		case OP_63_FDIV:
+			fpd_fdiv(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
+			break;
+		case OP_63_FADD:
+			fpd_fadd(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
+			break;
+		case OP_63_FSUB:
+			fpd_fsub(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
+			break;
+		case OP_63_FCTIW:
+			fpd_fctiw(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
+			break;
+		case OP_63_FCTIWZ:
+			fpd_fctiwz(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
+			break;
+		case OP_63_FRSP:
+			fpd_frsp(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
+			kvmppc_sync_qpr(vcpu, ax_rd);
+			break;
+		case OP_63_FRSQRTE:
+		{
+			double one = 1.0f;
+
+			/* fD = sqrt(fB) */
+			fpd_fsqrt(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
+			/* fD = 1.0f / fD */
+			fpd_fdiv(&vcpu->arch.fpscr, &cr, fpr_d, (u64*)&one, fpr_d);
+			break;
+		}
+		}
+		switch (inst_get_field(inst, 26, 30)) {
+		case OP_63_FMUL:
+			fpd_fmul(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c);
+			break;
+		case OP_63_FSEL:
+			fpd_fsel(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			break;
+		case OP_63_FMSUB:
+			fpd_fmsub(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			break;
+		case OP_63_FMADD:
+			fpd_fmadd(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			break;
+		case OP_63_FNMSUB:
+			fpd_fnmsub(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			break;
+		case OP_63_FNMADD:
+			fpd_fnmadd(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
+			break;
+		}
+		break;
+	}
+
+#ifdef DEBUG
+	for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) {
+		u32 f;
+		cvt_df((double*)&vcpu->arch.fpr[i], (float*)&f, &t);
+		dprintk(KERN_INFO "FPR[%d] = 0x%x\n", i, f);
+	}
+#endif
+
+	if (rcomp)
+		kvmppc_set_cr(vcpu, cr);
+
+	preempt_enable();
+
+	return emulated;
+}

From c10207fe86b1761c3ad135eb922fdb41bbde3025 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:45 +0100
Subject: [PATCH 0541/3638] KVM: PPC: Add capability for paired singles

We need to tell userspace that we can emulate paired single instructions.
So let's add a capability export.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/powerpc.c | 1 +
 include/linux/kvm.h        | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 1266ed02b47..ad2b6275acb 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -148,6 +148,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 
 	switch (ext) {
 	case KVM_CAP_PPC_SEGSTATE:
+	case KVM_CAP_PPC_PAIRED_SINGLES:
 		r = 1;
 		break;
 	case KVM_CAP_COALESCED_MMIO:
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 60df9c84eca..360f85e8c43 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -501,6 +501,7 @@ struct kvm_ioeventfd {
 #define KVM_CAP_HYPERV_VAPIC 45
 #define KVM_CAP_HYPERV_SPIN 46
 #define KVM_CAP_PCI_SEGMENT 47
+#define KVM_CAP_PPC_PAIRED_SINGLES 48
 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 
 #ifdef KVM_CAP_IRQ_ROUTING

From 20a340abd3f7a1ca4d11502ec71d52b4f414326e Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:46 +0100
Subject: [PATCH 0542/3638] KVM: PPC: Enable use of secondary htab bucket

We had code to make use of the secondary htab buckets, but kept that
disabled because it was unstable when I put it in.

I checked again if that's still the case and apparently it was only
exposing some instability that was there anyways before. I haven't
seen any badness related to usage of secondary htab entries so far.

This should speed up guest memory allocations by quite a bit, because
we now have more space to put PTEs in.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_mmu_host.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index f2899b297ff..25bd4ede722 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -257,16 +257,9 @@ map_again:
 
 	if (ret < 0) {
 		/* If we couldn't map a primary PTE, try a secondary */
-#ifdef USE_SECONDARY
 		hash = ~hash;
+		vflags ^= HPTE_V_SECONDARY;
 		attempt++;
-		if (attempt % 2)
-			vflags = HPTE_V_SECONDARY;
-		else
-			vflags = 0;
-#else
-		attempt = 2;
-#endif
 		goto map_again;
 	} else {
 		int hpte_id = kvmppc_mmu_hpte_cache_next(vcpu);

From 964b6411af10fbddc827fdd3887c49f7f5d2bfd3 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 11:00:47 +0100
Subject: [PATCH 0543/3638] KVM: PPC: Simplify kvmppc_load_up_(FPU|VMX|VSX)

We don't need as complex code. I had some thinkos while writing it, figuring
I needed to support PPC32 paths on PPC64 which would have required DR=0, but
everything just runs fine with DR=1.

So let's make the functions simple C call wrappers that reserve some space on
the stack for the respective functions to clobber.

Fixes out-of-RMA-access (and thus guest FPU loading) on the PS3.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_rmhandlers.S | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_rmhandlers.S b/arch/powerpc/kvm/book3s_64_rmhandlers.S
index c83c60ad96c..bd08535fcdc 100644
--- a/arch/powerpc/kvm/book3s_64_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_64_rmhandlers.S
@@ -164,24 +164,15 @@ _GLOBAL(kvmppc_rmcall)
 #define define_load_up(what) 				\
 							\
 _GLOBAL(kvmppc_load_up_ ## what);			\
-	subi	r1, r1, INT_FRAME_SIZE;			\
+	stdu	r1, -INT_FRAME_SIZE(r1);		\
 	mflr	r3;					\
 	std	r3, _LINK(r1);				\
-	mfmsr	r4;					\
-	std	r31, GPR3(r1);				\
-	mr	r31, r4;				\
-	li	r5, MSR_DR;				\
-	oris	r5, r5, MSR_EE@h;			\
-	andc	r4, r4, r5;				\
-	mtmsr	r4;					\
 							\
 	bl	.load_up_ ## what;			\
 							\
-	mtmsr	r31;					\
 	ld	r3, _LINK(r1);				\
-	ld	r31, GPR3(r1);				\
-	addi	r1, r1, INT_FRAME_SIZE;			\
 	mtlr	r3;					\
+	addi	r1, r1, INT_FRAME_SIZE;			\
 	blr
 
 define_load_up(fpu)

From 032c3407310c7612db55ab7e1335a21dc2b4690d Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 19 Feb 2010 12:24:33 +0100
Subject: [PATCH 0544/3638] KVM: PPC: Allocate vcpu struct using vmalloc

We used to use get_free_pages to allocate our vcpu struct. Unfortunately
that call failed on me several times after my machine had a big enough
uptime, as memory became too fragmented by then.

Fortunately, we don't need it to be page aligned any more! We can just
vmalloc it and everything's great.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 0446c5a39ae..6758ec80f90 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1112,8 +1112,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 	struct kvm_vcpu *vcpu;
 	int err;
 
-	vcpu_book3s = (struct kvmppc_vcpu_book3s *)__get_free_pages( GFP_KERNEL | __GFP_ZERO,
-			get_order(sizeof(struct kvmppc_vcpu_book3s)));
+	vcpu_book3s = vmalloc(sizeof(struct kvmppc_vcpu_book3s));
 	if (!vcpu_book3s) {
 		err = -ENOMEM;
 		goto out;
@@ -1151,7 +1150,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 	return vcpu;
 
 free_vcpu:
-	free_pages((long)vcpu_book3s, get_order(sizeof(struct kvmppc_vcpu_book3s)));
+	vfree(vcpu_book3s);
 out:
 	return ERR_PTR(err);
 }
@@ -1162,7 +1161,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
 
 	__destroy_context(vcpu_book3s->context_id);
 	kvm_vcpu_uninit(vcpu);
-	free_pages((long)vcpu_book3s, get_order(sizeof(struct kvmppc_vcpu_book3s)));
+	vfree(vcpu_book3s);
 }
 
 extern int __kvmppc_vcpu_entry(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);

From 112592da0dc2460c95e8a89d0c5657c6a30286aa Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Sun, 21 Feb 2010 15:00:47 +0200
Subject: [PATCH 0545/3638] KVM: drop unneeded kvm_run check in
 emulate_instruction()

vcpu->run is initialized on vcpu creation and can never be NULL
here.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 274a8e39bca..1d27a57026a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3443,7 +3443,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 	if (vcpu->arch.pio.string)
 		return EMULATE_DO_MMIO;
 
-	if ((r || vcpu->mmio_is_write) && run) {
+	if (r || vcpu->mmio_is_write) {
 		run->exit_reason = KVM_EXIT_MMIO;
 		run->mmio.phys_addr = vcpu->mmio_phys_addr;
 		memcpy(run->mmio.data, vcpu->mmio_data, 8);

From 8fe546547cf6857a9d984bfe2f2194910f3fc5d0 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 19 Feb 2010 16:23:01 +0100
Subject: [PATCH 0546/3638] KVM: SVM: Fix wrong interrupt injection in
 enable_irq_windows

The nested_svm_intr() function does not execute the vmexit
anymore. Therefore we may still be in the nested state after
that function ran. This patch changes the nested_svm_intr()
function to return wether the irq window could be enabled.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index a8ec53fe74f..294bbca3417 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1432,16 +1432,17 @@ static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
 	return vmexit;
 }
 
-static inline int nested_svm_intr(struct vcpu_svm *svm)
+/* This function returns true if it is save to enable the irq window */
+static inline bool nested_svm_intr(struct vcpu_svm *svm)
 {
 	if (!is_nested(svm))
-		return 0;
+		return true;
 
 	if (!(svm->vcpu.arch.hflags & HF_VINTR_MASK))
-		return 0;
+		return true;
 
 	if (!(svm->vcpu.arch.hflags & HF_HIF_MASK))
-		return 0;
+		return false;
 
 	svm->vmcb->control.exit_code = SVM_EXIT_INTR;
 
@@ -1454,10 +1455,10 @@ static inline int nested_svm_intr(struct vcpu_svm *svm)
 		 */
 		svm->nested.exit_required = true;
 		trace_kvm_nested_intr_vmexit(svm->vmcb->save.rip);
-		return 1;
+		return false;
 	}
 
-	return 0;
+	return true;
 }
 
 static void *nested_svm_map(struct vcpu_svm *svm, u64 gpa, struct page **_page)
@@ -2629,13 +2630,11 @@ static void enable_irq_window(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	nested_svm_intr(svm);
-
 	/* In case GIF=0 we can't rely on the CPU to tell us when
 	 * GIF becomes 1, because that's a separate STGI/VMRUN intercept.
 	 * The next time we get that intercept, this function will be
 	 * called again though and we'll get the vintr intercept. */
-	if (gif_set(svm)) {
+	if (gif_set(svm) && nested_svm_intr(svm)) {
 		svm_set_vintr(svm);
 		svm_inject_irq(svm, 0x0);
 	}

From 03b82a30ea8b26199901b219848d706dbd70c609 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Mon, 15 Feb 2010 10:45:41 +0100
Subject: [PATCH 0547/3638] KVM: x86: Do not return soft events in vcpu_events

To avoid that user space migrates a pending software exception or
interrupt, mask them out on KVM_GET_VCPU_EVENTS. Without this, user
space would try to reinject them, and we would have to reconstruct the
proper instruction length for VMX event injection. Now the pending event
will be reinjected via executing the triggering instruction again.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 1d27a57026a..2b1c9f2fb8d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2100,14 +2100,17 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
 {
 	vcpu_load(vcpu);
 
-	events->exception.injected = vcpu->arch.exception.pending;
+	events->exception.injected =
+		vcpu->arch.exception.pending &&
+		!kvm_exception_is_soft(vcpu->arch.exception.nr);
 	events->exception.nr = vcpu->arch.exception.nr;
 	events->exception.has_error_code = vcpu->arch.exception.has_error_code;
 	events->exception.error_code = vcpu->arch.exception.error_code;
 
-	events->interrupt.injected = vcpu->arch.interrupt.pending;
+	events->interrupt.injected =
+		vcpu->arch.interrupt.pending && !vcpu->arch.interrupt.soft;
 	events->interrupt.nr = vcpu->arch.interrupt.nr;
-	events->interrupt.soft = vcpu->arch.interrupt.soft;
+	events->interrupt.soft = 0;
 
 	events->nmi.injected = vcpu->arch.nmi_injected;
 	events->nmi.pending = vcpu->arch.nmi_pending;

From 48005f64d0ea965d454e38b5181af4aba9bdef5b Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Fri, 19 Feb 2010 19:38:07 +0100
Subject: [PATCH 0548/3638] KVM: x86: Save&restore interrupt shadow mask

The interrupt shadow created by STI or MOV-SS-like operations is part of
the VCPU state and must be preserved across migration. Transfer it in
the spare padding field of kvm_vcpu_events.interrupt.

As a side effect we now have to make vmx_set_interrupt_shadow robust
against both shadow types being set. Give MOV SS a higher priority and
skip STI in that case to avoid that VMX throws a fault on next entry.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/api.txt          | 11 ++++++++++-
 arch/x86/include/asm/kvm.h         |  7 ++++++-
 arch/x86/include/asm/kvm_emulate.h |  3 ---
 arch/x86/kvm/emulate.c             |  4 ++--
 arch/x86/kvm/svm.c                 |  2 +-
 arch/x86/kvm/vmx.c                 |  8 ++++----
 arch/x86/kvm/x86.c                 | 12 ++++++++++--
 include/linux/kvm.h                |  1 +
 8 files changed, 34 insertions(+), 14 deletions(-)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index beb444a9501..9e5de5a1c4e 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -656,6 +656,7 @@ struct kvm_clock_data {
 4.29 KVM_GET_VCPU_EVENTS
 
 Capability: KVM_CAP_VCPU_EVENTS
+Extended by: KVM_CAP_INTR_SHADOW
 Architectures: x86
 Type: vm ioctl
 Parameters: struct kvm_vcpu_event (out)
@@ -676,7 +677,7 @@ struct kvm_vcpu_events {
 		__u8 injected;
 		__u8 nr;
 		__u8 soft;
-		__u8 pad;
+		__u8 shadow;
 	} interrupt;
 	struct {
 		__u8 injected;
@@ -688,9 +689,13 @@ struct kvm_vcpu_events {
 	__u32 flags;
 };
 
+KVM_VCPUEVENT_VALID_SHADOW may be set in the flags field to signal that
+interrupt.shadow contains a valid state. Otherwise, this field is undefined.
+
 4.30 KVM_SET_VCPU_EVENTS
 
 Capability: KVM_CAP_VCPU_EVENTS
+Extended by: KVM_CAP_INTR_SHADOW
 Architectures: x86
 Type: vm ioctl
 Parameters: struct kvm_vcpu_event (in)
@@ -709,6 +714,10 @@ current in-kernel state. The bits are:
 KVM_VCPUEVENT_VALID_NMI_PENDING - transfer nmi.pending to the kernel
 KVM_VCPUEVENT_VALID_SIPI_VECTOR - transfer sipi_vector
 
+If KVM_CAP_INTR_SHADOW is available, KVM_VCPUEVENT_VALID_SHADOW can be set in
+the flags field to signal that interrupt.shadow contains a valid state and
+shall be written into the VCPU.
+
 
 5. The kvm_run structure
 
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index f46b79f6c16..fb6117063ea 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -257,6 +257,11 @@ struct kvm_reinject_control {
 /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
 #define KVM_VCPUEVENT_VALID_NMI_PENDING	0x00000001
 #define KVM_VCPUEVENT_VALID_SIPI_VECTOR	0x00000002
+#define KVM_VCPUEVENT_VALID_SHADOW	0x00000004
+
+/* Interrupt shadow states */
+#define KVM_X86_SHADOW_INT_MOV_SS	0x01
+#define KVM_X86_SHADOW_INT_STI		0x02
 
 /* for KVM_GET/SET_VCPU_EVENTS */
 struct kvm_vcpu_events {
@@ -271,7 +276,7 @@ struct kvm_vcpu_events {
 		__u8 injected;
 		__u8 nr;
 		__u8 soft;
-		__u8 pad;
+		__u8 shadow;
 	} interrupt;
 	struct {
 		__u8 injected;
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 7a6f54fa13b..2666d7ac322 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -153,9 +153,6 @@ struct decode_cache {
 	struct fetch_cache fetch;
 };
 
-#define X86_SHADOW_INT_MOV_SS  1
-#define X86_SHADOW_INT_STI     2
-
 struct x86_emulate_ctxt {
 	/* Register state before/after emulation. */
 	struct kvm_vcpu *vcpu;
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 35f7acd4a91..c9f604b0819 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2128,7 +2128,7 @@ special_insn:
 		}
 
 		if (c->modrm_reg == VCPU_SREG_SS)
-			toggle_interruptibility(ctxt, X86_SHADOW_INT_MOV_SS);
+			toggle_interruptibility(ctxt, KVM_X86_SHADOW_INT_MOV_SS);
 
 		rc = kvm_load_segment_descriptor(ctxt->vcpu, sel, c->modrm_reg);
 
@@ -2366,7 +2366,7 @@ special_insn:
 		if (emulator_bad_iopl(ctxt))
 			kvm_inject_gp(ctxt->vcpu, 0);
 		else {
-			toggle_interruptibility(ctxt, X86_SHADOW_INT_STI);
+			toggle_interruptibility(ctxt, KVM_X86_SHADOW_INT_STI);
 			ctxt->eflags |= X86_EFLAGS_IF;
 			c->dst.type = OP_NONE;	/* Disable writeback. */
 		}
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 294bbca3417..bd8f52f0823 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -265,7 +265,7 @@ static u32 svm_get_interrupt_shadow(struct kvm_vcpu *vcpu, int mask)
 	u32 ret = 0;
 
 	if (svm->vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK)
-		ret |= X86_SHADOW_INT_STI | X86_SHADOW_INT_MOV_SS;
+		ret |= KVM_X86_SHADOW_INT_STI | KVM_X86_SHADOW_INT_MOV_SS;
 	return ret & mask;
 }
 
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 68f895b0045..61f03980ada 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -846,9 +846,9 @@ static u32 vmx_get_interrupt_shadow(struct kvm_vcpu *vcpu, int mask)
 	int ret = 0;
 
 	if (interruptibility & GUEST_INTR_STATE_STI)
-		ret |= X86_SHADOW_INT_STI;
+		ret |= KVM_X86_SHADOW_INT_STI;
 	if (interruptibility & GUEST_INTR_STATE_MOV_SS)
-		ret |= X86_SHADOW_INT_MOV_SS;
+		ret |= KVM_X86_SHADOW_INT_MOV_SS;
 
 	return ret & mask;
 }
@@ -860,9 +860,9 @@ static void vmx_set_interrupt_shadow(struct kvm_vcpu *vcpu, int mask)
 
 	interruptibility &= ~(GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS);
 
-	if (mask & X86_SHADOW_INT_MOV_SS)
+	if (mask & KVM_X86_SHADOW_INT_MOV_SS)
 		interruptibility |= GUEST_INTR_STATE_MOV_SS;
-	if (mask & X86_SHADOW_INT_STI)
+	else if (mask & KVM_X86_SHADOW_INT_STI)
 		interruptibility |= GUEST_INTR_STATE_STI;
 
 	if ((interruptibility != interruptibility_old))
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2b1c9f2fb8d..84ffd95ee19 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2111,6 +2111,9 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
 		vcpu->arch.interrupt.pending && !vcpu->arch.interrupt.soft;
 	events->interrupt.nr = vcpu->arch.interrupt.nr;
 	events->interrupt.soft = 0;
+	events->interrupt.shadow =
+		kvm_x86_ops->get_interrupt_shadow(vcpu,
+			KVM_X86_SHADOW_INT_MOV_SS | KVM_X86_SHADOW_INT_STI);
 
 	events->nmi.injected = vcpu->arch.nmi_injected;
 	events->nmi.pending = vcpu->arch.nmi_pending;
@@ -2119,7 +2122,8 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
 	events->sipi_vector = vcpu->arch.sipi_vector;
 
 	events->flags = (KVM_VCPUEVENT_VALID_NMI_PENDING
-			 | KVM_VCPUEVENT_VALID_SIPI_VECTOR);
+			 | KVM_VCPUEVENT_VALID_SIPI_VECTOR
+			 | KVM_VCPUEVENT_VALID_SHADOW);
 
 	vcpu_put(vcpu);
 }
@@ -2128,7 +2132,8 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
 					      struct kvm_vcpu_events *events)
 {
 	if (events->flags & ~(KVM_VCPUEVENT_VALID_NMI_PENDING
-			      | KVM_VCPUEVENT_VALID_SIPI_VECTOR))
+			      | KVM_VCPUEVENT_VALID_SIPI_VECTOR
+			      | KVM_VCPUEVENT_VALID_SHADOW))
 		return -EINVAL;
 
 	vcpu_load(vcpu);
@@ -2143,6 +2148,9 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
 	vcpu->arch.interrupt.soft = events->interrupt.soft;
 	if (vcpu->arch.interrupt.pending && irqchip_in_kernel(vcpu->kvm))
 		kvm_pic_clear_isr_ack(vcpu->kvm);
+	if (events->flags & KVM_VCPUEVENT_VALID_SHADOW)
+		kvm_x86_ops->set_interrupt_shadow(vcpu,
+						  events->interrupt.shadow);
 
 	vcpu->arch.nmi_injected = events->nmi.injected;
 	if (events->flags & KVM_VCPUEVENT_VALID_NMI_PENDING)
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 360f85e8c43..48516a2a0b8 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -502,6 +502,7 @@ struct kvm_ioeventfd {
 #define KVM_CAP_HYPERV_SPIN 46
 #define KVM_CAP_PCI_SEGMENT 47
 #define KVM_CAP_PPC_PAIRED_SINGLES 48
+#define KVM_CAP_INTR_SHADOW 49
 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 
 #ifdef KVM_CAP_IRQ_ROUTING

From a1efbe77c1fd7c34a97a76a61520bf23fb3663f6 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Mon, 15 Feb 2010 10:45:43 +0100
Subject: [PATCH 0549/3638] KVM: x86: Add support for saving&restoring debug
 registers

So far user space was not able to save and restore debug registers for
migration or after reset. Plug this hole.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/api.txt  | 31 ++++++++++++++++++++++
 arch/x86/include/asm/kvm.h | 10 +++++++
 arch/x86/kvm/x86.c         | 54 ++++++++++++++++++++++++++++++++++++++
 include/linux/kvm.h        |  6 +++++
 4 files changed, 101 insertions(+)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index 9e5de5a1c4e..d170cb43554 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -718,6 +718,37 @@ If KVM_CAP_INTR_SHADOW is available, KVM_VCPUEVENT_VALID_SHADOW can be set in
 the flags field to signal that interrupt.shadow contains a valid state and
 shall be written into the VCPU.
 
+4.32 KVM_GET_DEBUGREGS
+
+Capability: KVM_CAP_DEBUGREGS
+Architectures: x86
+Type: vm ioctl
+Parameters: struct kvm_debugregs (out)
+Returns: 0 on success, -1 on error
+
+Reads debug registers from the vcpu.
+
+struct kvm_debugregs {
+	__u64 db[4];
+	__u64 dr6;
+	__u64 dr7;
+	__u64 flags;
+	__u64 reserved[9];
+};
+
+4.33 KVM_SET_DEBUGREGS
+
+Capability: KVM_CAP_DEBUGREGS
+Architectures: x86
+Type: vm ioctl
+Parameters: struct kvm_debugregs (in)
+Returns: 0 on success, -1 on error
+
+Writes debug registers into the vcpu.
+
+See KVM_GET_DEBUGREGS for the data structure. The flags field is unused
+yet and must be cleared on entry.
+
 
 5. The kvm_run structure
 
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index fb6117063ea..ff90055c7f0 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -21,6 +21,7 @@
 #define __KVM_HAVE_PIT_STATE2
 #define __KVM_HAVE_XEN_HVM
 #define __KVM_HAVE_VCPU_EVENTS
+#define __KVM_HAVE_DEBUGREGS
 
 /* Architectural interrupt line count. */
 #define KVM_NR_INTERRUPTS 256
@@ -289,4 +290,13 @@ struct kvm_vcpu_events {
 	__u32 reserved[10];
 };
 
+/* for KVM_GET/SET_DEBUGREGS */
+struct kvm_debugregs {
+	__u64 db[4];
+	__u64 dr6;
+	__u64 dr7;
+	__u64 flags;
+	__u64 reserved[9];
+};
+
 #endif /* _ASM_X86_KVM_H */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 84ffd95ee19..efeeabd84ec 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1548,6 +1548,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_HYPERV_VAPIC:
 	case KVM_CAP_HYPERV_SPIN:
 	case KVM_CAP_PCI_SEGMENT:
+	case KVM_CAP_DEBUGREGS:
 	case KVM_CAP_X86_ROBUST_SINGLESTEP:
 		r = 1;
 		break;
@@ -2165,6 +2166,36 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
 	return 0;
 }
 
+static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu,
+					     struct kvm_debugregs *dbgregs)
+{
+	vcpu_load(vcpu);
+
+	memcpy(dbgregs->db, vcpu->arch.db, sizeof(vcpu->arch.db));
+	dbgregs->dr6 = vcpu->arch.dr6;
+	dbgregs->dr7 = vcpu->arch.dr7;
+	dbgregs->flags = 0;
+
+	vcpu_put(vcpu);
+}
+
+static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu,
+					    struct kvm_debugregs *dbgregs)
+{
+	if (dbgregs->flags)
+		return -EINVAL;
+
+	vcpu_load(vcpu);
+
+	memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db));
+	vcpu->arch.dr6 = dbgregs->dr6;
+	vcpu->arch.dr7 = dbgregs->dr7;
+
+	vcpu_put(vcpu);
+
+	return 0;
+}
+
 long kvm_arch_vcpu_ioctl(struct file *filp,
 			 unsigned int ioctl, unsigned long arg)
 {
@@ -2343,6 +2374,29 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
 		r = kvm_vcpu_ioctl_x86_set_vcpu_events(vcpu, &events);
 		break;
 	}
+	case KVM_GET_DEBUGREGS: {
+		struct kvm_debugregs dbgregs;
+
+		kvm_vcpu_ioctl_x86_get_debugregs(vcpu, &dbgregs);
+
+		r = -EFAULT;
+		if (copy_to_user(argp, &dbgregs,
+				 sizeof(struct kvm_debugregs)))
+			break;
+		r = 0;
+		break;
+	}
+	case KVM_SET_DEBUGREGS: {
+		struct kvm_debugregs dbgregs;
+
+		r = -EFAULT;
+		if (copy_from_user(&dbgregs, argp,
+				   sizeof(struct kvm_debugregs)))
+			break;
+
+		r = kvm_vcpu_ioctl_x86_set_debugregs(vcpu, &dbgregs);
+		break;
+	}
 	default:
 		r = -EINVAL;
 	}
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 48516a2a0b8..ce2876717a8 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -503,6 +503,9 @@ struct kvm_ioeventfd {
 #define KVM_CAP_PCI_SEGMENT 47
 #define KVM_CAP_PPC_PAIRED_SINGLES 48
 #define KVM_CAP_INTR_SHADOW 49
+#ifdef __KVM_HAVE_DEBUGREGS
+#define KVM_CAP_DEBUGREGS 50
+#endif
 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 
 #ifdef KVM_CAP_IRQ_ROUTING
@@ -690,6 +693,9 @@ struct kvm_clock_data {
 /* Available with KVM_CAP_VCPU_EVENTS */
 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
+/* Available with KVM_CAP_DEBUGREGS */
+#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
+#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
 

From 7e821d3920c130d413c4c7454b0ece59445490db Mon Sep 17 00:00:00 2001
From: Alexander Graf <alex@csgraf.de>
Date: Mon, 22 Feb 2010 16:52:08 +0100
Subject: [PATCH 0550/3638] KVM: PPC: Memset vcpu to zeros

While converting the kzalloc we used to allocate our vcpu struct to
vmalloc, I forgot to memset the contents to zeros. That broke quite
a lot.

This patch memsets it to zero again.

Signed-off-by: Alexander Graf <alex@csgraf.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 6758ec80f90..8cab902771a 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1117,6 +1117,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 		err = -ENOMEM;
 		goto out;
 	}
+	memset(vcpu_book3s, 0, sizeof(struct kvmppc_vcpu_book3s));
 
 	vcpu = &vcpu_book3s->vcpu;
 	err = kvm_vcpu_init(vcpu, kvm, id);

From a595405df9efb89710cd555d29df0e4902f90613 Mon Sep 17 00:00:00 2001
From: Alexander Graf <alex@csgraf.de>
Date: Mon, 22 Feb 2010 16:52:14 +0100
Subject: [PATCH 0551/3638] KVM: PPC: Destory timer on vcpu destruction

When we destory a vcpu, we should also make sure to kill all pending
timers that could still be up. When not doing this, hrtimers might
dereference null pointers trying to call our code.

This patch fixes spontanious kernel panics seen after closing VMs.

Signed-off-by: Alexander Graf <alex@csgraf.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/powerpc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index ad2b6275acb..ace31ca0524 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -200,6 +200,10 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 
 void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
 {
+	/* Make sure we're not using the vcpu anymore */
+	hrtimer_cancel(&vcpu->arch.dec_timer);
+	tasklet_kill(&vcpu->arch.tasklet);
+
 	kvmppc_remove_vcpu_debugfs(vcpu);
 	kvmppc_core_vcpu_free(vcpu);
 }

From 50a085bdd48af08cc7e3178ba0d7c1d5d8191698 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Wed, 24 Feb 2010 10:41:58 +0100
Subject: [PATCH 0552/3638] KVM: x86: Kick VCPU outside PIC lock again

This restores the deferred VCPU kicking before 956f97cf. We need this
over -rt as wake_up* requires non-atomic context in this configuration.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/i8259.c | 53 +++++++++++++++++++++++++++++++-------------
 arch/x86/kvm/irq.h   |  1 +
 2 files changed, 39 insertions(+), 15 deletions(-)

diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index a790fa128a9..93825ff3338 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -33,6 +33,29 @@
 #include <linux/kvm_host.h>
 #include "trace.h"
 
+static void pic_lock(struct kvm_pic *s)
+	__acquires(&s->lock)
+{
+	raw_spin_lock(&s->lock);
+}
+
+static void pic_unlock(struct kvm_pic *s)
+	__releases(&s->lock)
+{
+	bool wakeup = s->wakeup_needed;
+	struct kvm_vcpu *vcpu;
+
+	s->wakeup_needed = false;
+
+	raw_spin_unlock(&s->lock);
+
+	if (wakeup) {
+		vcpu = s->kvm->bsp_vcpu;
+		if (vcpu)
+			kvm_vcpu_kick(vcpu);
+	}
+}
+
 static void pic_clear_isr(struct kvm_kpic_state *s, int irq)
 {
 	s->isr &= ~(1 << irq);
@@ -45,19 +68,19 @@ static void pic_clear_isr(struct kvm_kpic_state *s, int irq)
 	 * Other interrupt may be delivered to PIC while lock is dropped but
 	 * it should be safe since PIC state is already updated at this stage.
 	 */
-	raw_spin_unlock(&s->pics_state->lock);
+	pic_unlock(s->pics_state);
 	kvm_notify_acked_irq(s->pics_state->kvm, SELECT_PIC(irq), irq);
-	raw_spin_lock(&s->pics_state->lock);
+	pic_lock(s->pics_state);
 }
 
 void kvm_pic_clear_isr_ack(struct kvm *kvm)
 {
 	struct kvm_pic *s = pic_irqchip(kvm);
 
-	raw_spin_lock(&s->lock);
+	pic_lock(s);
 	s->pics[0].isr_ack = 0xff;
 	s->pics[1].isr_ack = 0xff;
-	raw_spin_unlock(&s->lock);
+	pic_unlock(s);
 }
 
 /*
@@ -158,9 +181,9 @@ static void pic_update_irq(struct kvm_pic *s)
 
 void kvm_pic_update_irq(struct kvm_pic *s)
 {
-	raw_spin_lock(&s->lock);
+	pic_lock(s);
 	pic_update_irq(s);
-	raw_spin_unlock(&s->lock);
+	pic_unlock(s);
 }
 
 int kvm_pic_set_irq(void *opaque, int irq, int level)
@@ -168,14 +191,14 @@ int kvm_pic_set_irq(void *opaque, int irq, int level)
 	struct kvm_pic *s = opaque;
 	int ret = -1;
 
-	raw_spin_lock(&s->lock);
+	pic_lock(s);
 	if (irq >= 0 && irq < PIC_NUM_PINS) {
 		ret = pic_set_irq1(&s->pics[irq >> 3], irq & 7, level);
 		pic_update_irq(s);
 		trace_kvm_pic_set_irq(irq >> 3, irq & 7, s->pics[irq >> 3].elcr,
 				      s->pics[irq >> 3].imr, ret == 0);
 	}
-	raw_spin_unlock(&s->lock);
+	pic_unlock(s);
 
 	return ret;
 }
@@ -205,7 +228,7 @@ int kvm_pic_read_irq(struct kvm *kvm)
 	int irq, irq2, intno;
 	struct kvm_pic *s = pic_irqchip(kvm);
 
-	raw_spin_lock(&s->lock);
+	pic_lock(s);
 	irq = pic_get_irq(&s->pics[0]);
 	if (irq >= 0) {
 		pic_intack(&s->pics[0], irq);
@@ -230,7 +253,7 @@ int kvm_pic_read_irq(struct kvm *kvm)
 		intno = s->pics[0].irq_base + irq;
 	}
 	pic_update_irq(s);
-	raw_spin_unlock(&s->lock);
+	pic_unlock(s);
 
 	return intno;
 }
@@ -444,7 +467,7 @@ static int picdev_write(struct kvm_io_device *this,
 			printk(KERN_ERR "PIC: non byte write\n");
 		return 0;
 	}
-	raw_spin_lock(&s->lock);
+	pic_lock(s);
 	switch (addr) {
 	case 0x20:
 	case 0x21:
@@ -457,7 +480,7 @@ static int picdev_write(struct kvm_io_device *this,
 		elcr_ioport_write(&s->pics[addr & 1], addr, data);
 		break;
 	}
-	raw_spin_unlock(&s->lock);
+	pic_unlock(s);
 	return 0;
 }
 
@@ -474,7 +497,7 @@ static int picdev_read(struct kvm_io_device *this,
 			printk(KERN_ERR "PIC: non byte read\n");
 		return 0;
 	}
-	raw_spin_lock(&s->lock);
+	pic_lock(s);
 	switch (addr) {
 	case 0x20:
 	case 0x21:
@@ -488,7 +511,7 @@ static int picdev_read(struct kvm_io_device *this,
 		break;
 	}
 	*(unsigned char *)val = data;
-	raw_spin_unlock(&s->lock);
+	pic_unlock(s);
 	return 0;
 }
 
@@ -505,7 +528,7 @@ static void pic_irq_request(void *opaque, int level)
 	s->output = level;
 	if (vcpu && level && (s->pics[0].isr_ack & (1 << irq))) {
 		s->pics[0].isr_ack &= ~(1 << irq);
-		kvm_vcpu_kick(vcpu);
+		s->wakeup_needed = true;
 	}
 }
 
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index 34b15915754..cd1f362f413 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -63,6 +63,7 @@ struct kvm_kpic_state {
 
 struct kvm_pic {
 	raw_spinlock_t lock;
+	bool wakeup_needed;
 	unsigned pending_acks;
 	struct kvm *kvm;
 	struct kvm_kpic_state pics[2]; /* 0 is master pic, 1 is slave pic */

From 116a4752c82f767a59c27b2630a8474b936a776a Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 23 Feb 2010 17:47:54 +0100
Subject: [PATCH 0553/3638] KVM: SVM: Move svm_queue_exception

Move svm_queue_exception past skip_emulated_instruction to allow calling
it later on.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index bd8f52f0823..908ec61895c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -236,23 +236,6 @@ static void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
 	vcpu->arch.efer = efer;
 }
 
-static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
-				bool has_error_code, u32 error_code)
-{
-	struct vcpu_svm *svm = to_svm(vcpu);
-
-	/* If we are within a nested VM we'd better #VMEXIT and let the
-	   guest handle the exception */
-	if (nested_svm_check_exception(svm, nr, has_error_code, error_code))
-		return;
-
-	svm->vmcb->control.event_inj = nr
-		| SVM_EVTINJ_VALID
-		| (has_error_code ? SVM_EVTINJ_VALID_ERR : 0)
-		| SVM_EVTINJ_TYPE_EXEPT;
-	svm->vmcb->control.event_inj_err = error_code;
-}
-
 static int is_external_interrupt(u32 info)
 {
 	info &= SVM_EVTINJ_TYPE_MASK | SVM_EVTINJ_VALID;
@@ -298,6 +281,23 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu)
 	svm_set_interrupt_shadow(vcpu, 0);
 }
 
+static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
+				bool has_error_code, u32 error_code)
+{
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	/* If we are within a nested VM we'd better #VMEXIT and let the
+	   guest handle the exception */
+	if (nested_svm_check_exception(svm, nr, has_error_code, error_code))
+		return;
+
+	svm->vmcb->control.event_inj = nr
+		| SVM_EVTINJ_VALID
+		| (has_error_code ? SVM_EVTINJ_VALID_ERR : 0)
+		| SVM_EVTINJ_TYPE_EXEPT;
+	svm->vmcb->control.event_inj_err = error_code;
+}
+
 static int has_svm(void)
 {
 	const char *msg;

From f92653eeb496fe8624ac4b0d628c916a06a3d25c Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 23 Feb 2010 17:47:55 +0100
Subject: [PATCH 0554/3638] KVM: x86: Add kvm_is_linear_rip

Based on Gleb's suggestion: Add a helper kvm_is_linear_rip that matches
a given linear RIP against the current one. Use this for guest
single-stepping, more users will follow.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_host.h |  4 +++-
 arch/x86/kvm/x86.c              | 21 +++++++++++++--------
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index d46e791de12..502fff123e2 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -362,8 +362,8 @@ struct kvm_vcpu_arch {
 	u64 *mce_banks;
 
 	/* used for guest single stepping over the given code position */
-	u16 singlestep_cs;
 	unsigned long singlestep_rip;
+
 	/* fields used by HYPER-V emulation */
 	u64 hv_vapic;
 };
@@ -820,4 +820,6 @@ int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
 void kvm_define_shared_msr(unsigned index, u32 msr);
 void kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
 
+bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);
+
 #endif /* _ASM_X86_KVM_HOST_H */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index efeeabd84ec..f2f246ae4a4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5376,11 +5376,9 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
 		vcpu->arch.switch_db_regs = (vcpu->arch.dr7 & DR7_BP_EN_MASK);
 	}
 
-	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) {
-		vcpu->arch.singlestep_cs =
-			get_segment_selector(vcpu, VCPU_SREG_CS);
-		vcpu->arch.singlestep_rip = kvm_rip_read(vcpu);
-	}
+	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
+		vcpu->arch.singlestep_rip = kvm_rip_read(vcpu) +
+			get_segment_base(vcpu, VCPU_SREG_CS);
 
 	/*
 	 * Trigger an rflags update that will inject or remove the trace
@@ -5871,6 +5869,15 @@ int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu)
 	return kvm_x86_ops->interrupt_allowed(vcpu);
 }
 
+bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip)
+{
+	unsigned long current_rip = kvm_rip_read(vcpu) +
+		get_segment_base(vcpu, VCPU_SREG_CS);
+
+	return current_rip == linear_rip;
+}
+EXPORT_SYMBOL_GPL(kvm_is_linear_rip);
+
 unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu)
 {
 	unsigned long rflags;
@@ -5885,9 +5892,7 @@ EXPORT_SYMBOL_GPL(kvm_get_rflags);
 void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
 {
 	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP &&
-	    vcpu->arch.singlestep_cs ==
-			get_segment_selector(vcpu, VCPU_SREG_CS) &&
-	    vcpu->arch.singlestep_rip == kvm_rip_read(vcpu))
+	    kvm_is_linear_rip(vcpu, vcpu->arch.singlestep_rip))
 		rflags |= X86_EFLAGS_TF | X86_EFLAGS_RF;
 	kvm_x86_ops->set_rflags(vcpu, rflags);
 }

From 66b7138f913635b40822890ba8913548f8b285b8 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 23 Feb 2010 17:47:56 +0100
Subject: [PATCH 0555/3638] KVM: SVM: Emulate nRIP feature when reinjecting
 INT3

When in guest debugging mode, we have to reinject those #BP software
exceptions that are caused by guest-injected INT3. As older AMD
processors do not support the required nRIP VMCB field, try to emulate
it by moving RIP past the instruction on exception injection. Fix it up
again in case the injection failed and we were able to catch this. This
does not work for unintercepted faults, but it is better than doing
nothing.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 908ec61895c..468ff6e721c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -47,6 +47,7 @@ MODULE_LICENSE("GPL");
 #define SVM_FEATURE_NPT  (1 << 0)
 #define SVM_FEATURE_LBRV (1 << 1)
 #define SVM_FEATURE_SVML (1 << 2)
+#define SVM_FEATURE_NRIP (1 << 3)
 #define SVM_FEATURE_PAUSE_FILTER (1 << 10)
 
 #define NESTED_EXIT_HOST	0	/* Exit handled on host level */
@@ -110,6 +111,9 @@ struct vcpu_svm {
 	struct nested_state nested;
 
 	bool nmi_singlestep;
+
+	unsigned int3_injected;
+	unsigned long int3_rip;
 };
 
 /* enable NPT for AMD64 and X86 with PAE */
@@ -291,6 +295,22 @@ static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
 	if (nested_svm_check_exception(svm, nr, has_error_code, error_code))
 		return;
 
+	if (nr == BP_VECTOR && !svm_has(SVM_FEATURE_NRIP)) {
+		unsigned long rip, old_rip = kvm_rip_read(&svm->vcpu);
+
+		/*
+		 * For guest debugging where we have to reinject #BP if some
+		 * INT3 is guest-owned:
+		 * Emulate nRIP by moving RIP forward. Will fail if injection
+		 * raises a fault that is not intercepted. Still better than
+		 * failing in all cases.
+		 */
+		skip_emulated_instruction(&svm->vcpu);
+		rip = kvm_rip_read(&svm->vcpu);
+		svm->int3_rip = rip + svm->vmcb->save.cs.base;
+		svm->int3_injected = rip - old_rip;
+	}
+
 	svm->vmcb->control.event_inj = nr
 		| SVM_EVTINJ_VALID
 		| (has_error_code ? SVM_EVTINJ_VALID_ERR : 0)
@@ -2701,6 +2721,9 @@ static void svm_complete_interrupts(struct vcpu_svm *svm)
 	u8 vector;
 	int type;
 	u32 exitintinfo = svm->vmcb->control.exit_int_info;
+	unsigned int3_injected = svm->int3_injected;
+
+	svm->int3_injected = 0;
 
 	if (svm->vcpu.arch.hflags & HF_IRET_MASK)
 		svm->vcpu.arch.hflags &= ~(HF_NMI_MASK | HF_IRET_MASK);
@@ -2720,12 +2743,21 @@ static void svm_complete_interrupts(struct vcpu_svm *svm)
 		svm->vcpu.arch.nmi_injected = true;
 		break;
 	case SVM_EXITINTINFO_TYPE_EXEPT:
-		/* In case of software exception do not reinject an exception
-		   vector, but re-execute and instruction instead */
 		if (is_nested(svm))
 			break;
-		if (kvm_exception_is_soft(vector))
+		/*
+		 * In case of software exceptions, do not reinject the vector,
+		 * but re-execute the instruction instead. Rewind RIP first
+		 * if we emulated INT3 before.
+		 */
+		if (kvm_exception_is_soft(vector)) {
+			if (vector == BP_VECTOR && int3_injected &&
+			    kvm_is_linear_rip(&svm->vcpu, svm->int3_rip))
+				kvm_rip_write(&svm->vcpu,
+					      kvm_rip_read(&svm->vcpu) -
+					      int3_injected);
 			break;
+		}
 		if (exitintinfo & SVM_EXITINTINFO_VALID_ERR) {
 			u32 err = svm->vmcb->control.exit_int_info_err;
 			kvm_queue_exception_e(&svm->vcpu, vector, err);

From c310bac5a20fc37f761bd7297ba2e52cf40d79c6 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 23 Feb 2010 17:47:58 +0100
Subject: [PATCH 0556/3638] KVM: x86: Drop RF manipulation for guest
 single-stepping

RF is not required for injecting TF as the latter will trigger only
after an instruction execution anyway. So do not touch RF when arming or
disarming guest single-step mode.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f2f246ae4a4..a519fc6ed05 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5884,7 +5884,7 @@ unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu)
 
 	rflags = kvm_x86_ops->get_rflags(vcpu);
 	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
-		rflags &= ~(unsigned long)(X86_EFLAGS_TF | X86_EFLAGS_RF);
+		rflags &= ~X86_EFLAGS_TF;
 	return rflags;
 }
 EXPORT_SYMBOL_GPL(kvm_get_rflags);
@@ -5893,7 +5893,7 @@ void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
 {
 	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP &&
 	    kvm_is_linear_rip(vcpu, vcpu->arch.singlestep_rip))
-		rflags |= X86_EFLAGS_TF | X86_EFLAGS_RF;
+		rflags |= X86_EFLAGS_TF;
 	kvm_x86_ops->set_rflags(vcpu, rflags);
 }
 EXPORT_SYMBOL_GPL(kvm_set_rflags);

From 83bf0002c91b65744db78df36d4f1af27bd9099b Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 23 Feb 2010 17:47:59 +0100
Subject: [PATCH 0557/3638] KVM: x86: Preserve injected TF across emulation

Call directly into the vendor services for getting/setting rflags in
emulate_instruction to ensure injected TF survives the emulation.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a519fc6ed05..3a367f35ceb 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3447,7 +3447,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 		kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l);
 
 		vcpu->arch.emulate_ctxt.vcpu = vcpu;
-		vcpu->arch.emulate_ctxt.eflags = kvm_get_rflags(vcpu);
+		vcpu->arch.emulate_ctxt.eflags = kvm_x86_ops->get_rflags(vcpu);
 		vcpu->arch.emulate_ctxt.mode =
 			(!is_protmode(vcpu)) ? X86EMUL_MODE_REAL :
 			(vcpu->arch.emulate_ctxt.eflags & X86_EFLAGS_VM)
@@ -3526,7 +3526,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 		return EMULATE_DO_MMIO;
 	}
 
-	kvm_set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags);
+	kvm_x86_ops->set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags);
 
 	if (vcpu->mmio_is_write) {
 		vcpu->mmio_needed = 0;

From e02317153e77150fed9609c3212c98204ec3ea74 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:10 +0100
Subject: [PATCH 0558/3638] KVM: SVM: Coding style cleanup

This patch removes whitespace errors, fixes comment formats
and most of checkpatch warnings. Now vim does not show
c-space-errors anymore.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 148 +++++++++++++++++++++++++--------------------
 1 file changed, 81 insertions(+), 67 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 468ff6e721c..44679530ad5 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -120,7 +120,7 @@ struct vcpu_svm {
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
 static bool npt_enabled = true;
 #else
-static bool npt_enabled = false;
+static bool npt_enabled;
 #endif
 static int npt = 1;
 
@@ -168,8 +168,8 @@ static unsigned long iopm_base;
 struct kvm_ldttss_desc {
 	u16 limit0;
 	u16 base0;
-	unsigned base1 : 8, type : 5, dpl : 2, p : 1;
-	unsigned limit1 : 4, zero0 : 3, g : 1, base2 : 8;
+	unsigned base1:8, type:5, dpl:2, p:1;
+	unsigned limit1:4, zero0:3, g:1, base2:8;
 	u32 base3;
 	u32 zero1;
 } __attribute__((packed));
@@ -218,7 +218,7 @@ static inline void stgi(void)
 
 static inline void invlpga(unsigned long addr, u32 asid)
 {
-	asm volatile (__ex(SVM_INVLPGA) :: "a"(addr), "c"(asid));
+	asm volatile (__ex(SVM_INVLPGA) : : "a"(addr), "c"(asid));
 }
 
 static inline void force_new_asid(struct kvm_vcpu *vcpu)
@@ -290,8 +290,10 @@ static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	/* If we are within a nested VM we'd better #VMEXIT and let the
-	   guest handle the exception */
+	/*
+	 * If we are within a nested VM we'd better #VMEXIT and let the guest
+	 * handle the exception
+	 */
 	if (nested_svm_check_exception(svm, nr, has_error_code, error_code))
 		return;
 
@@ -544,7 +546,7 @@ static void init_seg(struct vmcb_seg *seg)
 {
 	seg->selector = 0;
 	seg->attrib = SVM_SELECTOR_P_MASK | SVM_SELECTOR_S_MASK |
-		SVM_SELECTOR_WRITE_MASK; /* Read/Write Data Segment */
+		      SVM_SELECTOR_WRITE_MASK; /* Read/Write Data Segment */
 	seg->limit = 0xffff;
 	seg->base = 0;
 }
@@ -564,16 +566,16 @@ static void init_vmcb(struct vcpu_svm *svm)
 
 	svm->vcpu.fpu_active = 1;
 
-	control->intercept_cr_read = 	INTERCEPT_CR0_MASK |
+	control->intercept_cr_read =	INTERCEPT_CR0_MASK |
 					INTERCEPT_CR3_MASK |
 					INTERCEPT_CR4_MASK;
 
-	control->intercept_cr_write = 	INTERCEPT_CR0_MASK |
+	control->intercept_cr_write =	INTERCEPT_CR0_MASK |
 					INTERCEPT_CR3_MASK |
 					INTERCEPT_CR4_MASK |
 					INTERCEPT_CR8_MASK;
 
-	control->intercept_dr_read = 	INTERCEPT_DR0_MASK |
+	control->intercept_dr_read =	INTERCEPT_DR0_MASK |
 					INTERCEPT_DR1_MASK |
 					INTERCEPT_DR2_MASK |
 					INTERCEPT_DR3_MASK |
@@ -582,7 +584,7 @@ static void init_vmcb(struct vcpu_svm *svm)
 					INTERCEPT_DR6_MASK |
 					INTERCEPT_DR7_MASK;
 
-	control->intercept_dr_write = 	INTERCEPT_DR0_MASK |
+	control->intercept_dr_write =	INTERCEPT_DR0_MASK |
 					INTERCEPT_DR1_MASK |
 					INTERCEPT_DR2_MASK |
 					INTERCEPT_DR3_MASK |
@@ -596,7 +598,7 @@ static void init_vmcb(struct vcpu_svm *svm)
 					(1 << MC_VECTOR);
 
 
-	control->intercept = 	(1ULL << INTERCEPT_INTR) |
+	control->intercept =	(1ULL << INTERCEPT_INTR) |
 				(1ULL << INTERCEPT_NMI) |
 				(1ULL << INTERCEPT_SMI) |
 				(1ULL << INTERCEPT_SELECTIVE_CR0) |
@@ -657,7 +659,8 @@ static void init_vmcb(struct vcpu_svm *svm)
 	save->rip = 0x0000fff0;
 	svm->vcpu.arch.regs[VCPU_REGS_RIP] = save->rip;
 
-	/* This is the guest-visible cr0 value.
+	/*
+	 * This is the guest-visible cr0 value.
 	 * svm_set_cr0() sets PG and WP and clears NW and CD on save->cr0.
 	 */
 	svm->vcpu.arch.cr0 = X86_CR0_NW | X86_CR0_CD | X86_CR0_ET;
@@ -903,7 +906,8 @@ static void svm_get_segment(struct kvm_vcpu *vcpu,
 	var->db = (s->attrib >> SVM_SELECTOR_DB_SHIFT) & 1;
 	var->g = (s->attrib >> SVM_SELECTOR_G_SHIFT) & 1;
 
-	/* AMD's VMCB does not have an explicit unusable field, so emulate it
+	/*
+	 * AMD's VMCB does not have an explicit unusable field, so emulate it
 	 * for cross vendor migration purposes by "not present"
 	 */
 	var->unusable = !var->present || (var->type == 0);
@@ -939,7 +943,8 @@ static void svm_get_segment(struct kvm_vcpu *vcpu,
 			var->type |= 0x1;
 		break;
 	case VCPU_SREG_SS:
-		/* On AMD CPUs sometimes the DB bit in the segment
+		/*
+		 * On AMD CPUs sometimes the DB bit in the segment
 		 * descriptor is left as 1, although the whole segment has
 		 * been made unusable. Clear it here to pass an Intel VMX
 		 * entry check when cross vendor migrating.
@@ -1270,7 +1275,7 @@ static int db_interception(struct vcpu_svm *svm)
 	}
 
 	if (svm->vcpu.guest_debug &
-	    (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)){
+	    (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) {
 		kvm_run->exit_reason = KVM_EXIT_DEBUG;
 		kvm_run->debug.arch.pc =
 			svm->vmcb->save.cs.base + svm->vmcb->save.rip;
@@ -1315,7 +1320,7 @@ static void svm_fpu_activate(struct kvm_vcpu *vcpu)
 		excp    = h_excp | n_excp;
 	} else {
 		excp  = svm->vmcb->control.intercept_exceptions;
-	        excp &= ~(1 << NM_VECTOR);
+		excp &= ~(1 << NM_VECTOR);
 	}
 
 	svm->vmcb->control.intercept_exceptions = excp;
@@ -1554,13 +1559,13 @@ static int nested_svm_exit_special(struct vcpu_svm *svm)
 	case SVM_EXIT_INTR:
 	case SVM_EXIT_NMI:
 		return NESTED_EXIT_HOST;
-		/* For now we are always handling NPFs when using them */
 	case SVM_EXIT_NPF:
+		/* For now we are always handling NPFs when using them */
 		if (npt_enabled)
 			return NESTED_EXIT_HOST;
 		break;
-	/* When we're shadowing, trap PFs */
 	case SVM_EXIT_EXCP_BASE + PF_VECTOR:
+		/* When we're shadowing, trap PFs */
 		if (!npt_enabled)
 			return NESTED_EXIT_HOST;
 		break;
@@ -1795,7 +1800,7 @@ static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
 	if (!nested_msrpm)
 		return false;
 
-	for (i=0; i< PAGE_SIZE * (1 << MSRPM_ALLOC_ORDER) / 4; i++)
+	for (i = 0; i < PAGE_SIZE * (1 << MSRPM_ALLOC_ORDER) / 4; i++)
 		svm->nested.msrpm[i] = svm->msrpm[i] | nested_msrpm[i];
 
 	svm->vmcb->control.msrpm_base_pa = __pa(svm->nested.msrpm);
@@ -1829,8 +1834,10 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	kvm_clear_exception_queue(&svm->vcpu);
 	kvm_clear_interrupt_queue(&svm->vcpu);
 
-	/* Save the old vmcb, so we don't need to pick what we save, but
-	   can restore everything when a VMEXIT occurs */
+	/*
+	 * Save the old vmcb, so we don't need to pick what we save, but can
+	 * restore everything when a VMEXIT occurs
+	 */
 	hsave->save.es     = vmcb->save.es;
 	hsave->save.cs     = vmcb->save.cs;
 	hsave->save.ss     = vmcb->save.ss;
@@ -1878,6 +1885,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	kvm_register_write(&svm->vcpu, VCPU_REGS_RAX, nested_vmcb->save.rax);
 	kvm_register_write(&svm->vcpu, VCPU_REGS_RSP, nested_vmcb->save.rsp);
 	kvm_register_write(&svm->vcpu, VCPU_REGS_RIP, nested_vmcb->save.rip);
+
 	/* In case we don't even reach vcpu_run, the fields are not updated */
 	svm->vmcb->save.rax = nested_vmcb->save.rax;
 	svm->vmcb->save.rsp = nested_vmcb->save.rsp;
@@ -1909,8 +1917,10 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 		svm->vmcb->control.intercept_cr_write &= ~INTERCEPT_CR8_MASK;
 	}
 
-	/* We don't want a nested guest to be more powerful than the guest,
-	   so all intercepts are ORed */
+	/*
+	 * We don't want a nested guest to be more powerful than the guest, so
+	 * all intercepts are ORed
+	 */
 	svm->vmcb->control.intercept_cr_read |=
 		nested_vmcb->control.intercept_cr_read;
 	svm->vmcb->control.intercept_cr_write |=
@@ -2224,9 +2234,11 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
 	case MSR_IA32_SYSENTER_ESP:
 		*data = svm->sysenter_esp;
 		break;
-	/* Nobody will change the following 5 values in the VMCB so
-	   we can safely return them on rdmsr. They will always be 0
-	   until LBRV is implemented. */
+	/*
+	 * Nobody will change the following 5 values in the VMCB so we can
+	 * safely return them on rdmsr. They will always be 0 until LBRV is
+	 * implemented.
+	 */
 	case MSR_IA32_DEBUGCTLMSR:
 		*data = svm->vmcb->save.dbgctl;
 		break;
@@ -2405,16 +2417,16 @@ static int pause_interception(struct vcpu_svm *svm)
 }
 
 static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = {
-	[SVM_EXIT_READ_CR0]           		= emulate_on_interception,
-	[SVM_EXIT_READ_CR3]           		= emulate_on_interception,
-	[SVM_EXIT_READ_CR4]           		= emulate_on_interception,
-	[SVM_EXIT_READ_CR8]           		= emulate_on_interception,
+	[SVM_EXIT_READ_CR0]			= emulate_on_interception,
+	[SVM_EXIT_READ_CR3]			= emulate_on_interception,
+	[SVM_EXIT_READ_CR4]			= emulate_on_interception,
+	[SVM_EXIT_READ_CR8]			= emulate_on_interception,
 	[SVM_EXIT_CR0_SEL_WRITE]		= emulate_on_interception,
-	[SVM_EXIT_WRITE_CR0]          		= emulate_on_interception,
-	[SVM_EXIT_WRITE_CR3]          		= emulate_on_interception,
-	[SVM_EXIT_WRITE_CR4]          		= emulate_on_interception,
-	[SVM_EXIT_WRITE_CR8]          		= cr8_write_interception,
-	[SVM_EXIT_READ_DR0] 			= emulate_on_interception,
+	[SVM_EXIT_WRITE_CR0]			= emulate_on_interception,
+	[SVM_EXIT_WRITE_CR3]			= emulate_on_interception,
+	[SVM_EXIT_WRITE_CR4]			= emulate_on_interception,
+	[SVM_EXIT_WRITE_CR8]			= cr8_write_interception,
+	[SVM_EXIT_READ_DR0]			= emulate_on_interception,
 	[SVM_EXIT_READ_DR1]			= emulate_on_interception,
 	[SVM_EXIT_READ_DR2]			= emulate_on_interception,
 	[SVM_EXIT_READ_DR3]			= emulate_on_interception,
@@ -2433,15 +2445,14 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = {
 	[SVM_EXIT_EXCP_BASE + DB_VECTOR]	= db_interception,
 	[SVM_EXIT_EXCP_BASE + BP_VECTOR]	= bp_interception,
 	[SVM_EXIT_EXCP_BASE + UD_VECTOR]	= ud_interception,
-	[SVM_EXIT_EXCP_BASE + PF_VECTOR] 	= pf_interception,
-	[SVM_EXIT_EXCP_BASE + NM_VECTOR] 	= nm_interception,
-	[SVM_EXIT_EXCP_BASE + MC_VECTOR] 	= mc_interception,
-	[SVM_EXIT_INTR] 			= intr_interception,
+	[SVM_EXIT_EXCP_BASE + PF_VECTOR]	= pf_interception,
+	[SVM_EXIT_EXCP_BASE + NM_VECTOR]	= nm_interception,
+	[SVM_EXIT_EXCP_BASE + MC_VECTOR]	= mc_interception,
+	[SVM_EXIT_INTR]				= intr_interception,
 	[SVM_EXIT_NMI]				= nmi_interception,
 	[SVM_EXIT_SMI]				= nop_on_interception,
 	[SVM_EXIT_INIT]				= nop_on_interception,
 	[SVM_EXIT_VINTR]			= interrupt_window_interception,
-	/* [SVM_EXIT_CR0_SEL_WRITE]		= emulate_on_interception, */
 	[SVM_EXIT_CPUID]			= cpuid_interception,
 	[SVM_EXIT_IRET]                         = iret_interception,
 	[SVM_EXIT_INVD]                         = emulate_on_interception,
@@ -2449,7 +2460,7 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = {
 	[SVM_EXIT_HLT]				= halt_interception,
 	[SVM_EXIT_INVLPG]			= invlpg_interception,
 	[SVM_EXIT_INVLPGA]			= invlpga_interception,
-	[SVM_EXIT_IOIO] 		  	= io_interception,
+	[SVM_EXIT_IOIO]				= io_interception,
 	[SVM_EXIT_MSR]				= msr_interception,
 	[SVM_EXIT_TASK_SWITCH]			= task_switch_interception,
 	[SVM_EXIT_SHUTDOWN]			= shutdown_interception,
@@ -2650,10 +2661,12 @@ static void enable_irq_window(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	/* In case GIF=0 we can't rely on the CPU to tell us when
-	 * GIF becomes 1, because that's a separate STGI/VMRUN intercept.
-	 * The next time we get that intercept, this function will be
-	 * called again though and we'll get the vintr intercept. */
+	/*
+	 * In case GIF=0 we can't rely on the CPU to tell us when GIF becomes
+	 * 1, because that's a separate STGI/VMRUN intercept.  The next time we
+	 * get that intercept, this function will be called again though and
+	 * we'll get the vintr intercept.
+	 */
 	if (gif_set(svm) && nested_svm_intr(svm)) {
 		svm_set_vintr(svm);
 		svm_inject_irq(svm, 0x0);
@@ -2668,9 +2681,10 @@ static void enable_nmi_window(struct kvm_vcpu *vcpu)
 	    == HF_NMI_MASK)
 		return; /* IRET will cause a vm exit */
 
-	/* Something prevents NMI from been injected. Single step over
-	   possible problem (IRET or exception injection or interrupt
-	   shadow) */
+	/*
+	 * Something prevents NMI from been injected. Single step over possible
+	 * problem (IRET or exception injection or interrupt shadow)
+	 */
 	svm->nmi_singlestep = true;
 	svm->vmcb->save.rflags |= (X86_EFLAGS_TF | X86_EFLAGS_RF);
 	update_db_intercept(vcpu);
@@ -2978,24 +2992,24 @@ static void svm_cpuid_update(struct kvm_vcpu *vcpu)
 }
 
 static const struct trace_print_flags svm_exit_reasons_str[] = {
-	{ SVM_EXIT_READ_CR0,           		"read_cr0" },
-	{ SVM_EXIT_READ_CR3,	      		"read_cr3" },
-	{ SVM_EXIT_READ_CR4,	      		"read_cr4" },
-	{ SVM_EXIT_READ_CR8,  	      		"read_cr8" },
-	{ SVM_EXIT_WRITE_CR0,          		"write_cr0" },
-	{ SVM_EXIT_WRITE_CR3,	      		"write_cr3" },
-	{ SVM_EXIT_WRITE_CR4,          		"write_cr4" },
-	{ SVM_EXIT_WRITE_CR8, 	      		"write_cr8" },
-	{ SVM_EXIT_READ_DR0, 	      		"read_dr0" },
-	{ SVM_EXIT_READ_DR1,	      		"read_dr1" },
-	{ SVM_EXIT_READ_DR2,	      		"read_dr2" },
-	{ SVM_EXIT_READ_DR3,	      		"read_dr3" },
-	{ SVM_EXIT_WRITE_DR0,	      		"write_dr0" },
-	{ SVM_EXIT_WRITE_DR1,	      		"write_dr1" },
-	{ SVM_EXIT_WRITE_DR2,	      		"write_dr2" },
-	{ SVM_EXIT_WRITE_DR3,	      		"write_dr3" },
-	{ SVM_EXIT_WRITE_DR5,	      		"write_dr5" },
-	{ SVM_EXIT_WRITE_DR7,	      		"write_dr7" },
+	{ SVM_EXIT_READ_CR0,			"read_cr0" },
+	{ SVM_EXIT_READ_CR3,			"read_cr3" },
+	{ SVM_EXIT_READ_CR4,			"read_cr4" },
+	{ SVM_EXIT_READ_CR8,			"read_cr8" },
+	{ SVM_EXIT_WRITE_CR0,			"write_cr0" },
+	{ SVM_EXIT_WRITE_CR3,			"write_cr3" },
+	{ SVM_EXIT_WRITE_CR4,			"write_cr4" },
+	{ SVM_EXIT_WRITE_CR8,			"write_cr8" },
+	{ SVM_EXIT_READ_DR0,			"read_dr0" },
+	{ SVM_EXIT_READ_DR1,			"read_dr1" },
+	{ SVM_EXIT_READ_DR2,			"read_dr2" },
+	{ SVM_EXIT_READ_DR3,			"read_dr3" },
+	{ SVM_EXIT_WRITE_DR0,			"write_dr0" },
+	{ SVM_EXIT_WRITE_DR1,			"write_dr1" },
+	{ SVM_EXIT_WRITE_DR2,			"write_dr2" },
+	{ SVM_EXIT_WRITE_DR3,			"write_dr3" },
+	{ SVM_EXIT_WRITE_DR5,			"write_dr5" },
+	{ SVM_EXIT_WRITE_DR7,			"write_dr7" },
 	{ SVM_EXIT_EXCP_BASE + DB_VECTOR,	"DB excp" },
 	{ SVM_EXIT_EXCP_BASE + BP_VECTOR,	"BP excp" },
 	{ SVM_EXIT_EXCP_BASE + UD_VECTOR,	"UD excp" },

From 0e5cbe368b366f02cf3fe707aea2c0efac1bf70e Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:11 +0100
Subject: [PATCH 0559/3638] KVM: SVM: Reset MMU on nested_svm_vmrun for NPT too

Without resetting the MMU the gva_to_pga function will not
work reliably when the vcpu is running in nested context.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 44679530ad5..ef40b90219f 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1877,10 +1877,12 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	if (npt_enabled) {
 		svm->vmcb->save.cr3 = nested_vmcb->save.cr3;
 		svm->vcpu.arch.cr3 = nested_vmcb->save.cr3;
-	} else {
+	} else
 		kvm_set_cr3(&svm->vcpu, nested_vmcb->save.cr3);
-		kvm_mmu_reset_context(&svm->vcpu);
-	}
+
+	/* Guest paging mode is active - reset mmu */
+	kvm_mmu_reset_context(&svm->vcpu);
+
 	svm->vmcb->save.cr2 = svm->vcpu.arch.cr2 = nested_vmcb->save.cr2;
 	kvm_register_write(&svm->vcpu, VCPU_REGS_RAX, nested_vmcb->save.rax);
 	kvm_register_write(&svm->vcpu, VCPU_REGS_RSP, nested_vmcb->save.rsp);

From 887f500ca1a721cac237ba56374b9c0f578251ec Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:12 +0100
Subject: [PATCH 0560/3638] KVM: SVM: Check for nested intercepts on NMI
 injection

This patch implements the NMI intercept checking for nested
svm.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ef40b90219f..9f1143105e0 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1486,6 +1486,21 @@ static inline bool nested_svm_intr(struct vcpu_svm *svm)
 	return true;
 }
 
+/* This function returns true if it is save to enable the nmi window */
+static inline bool nested_svm_nmi(struct vcpu_svm *svm)
+{
+	if (!is_nested(svm))
+		return true;
+
+	if (!(svm->nested.intercept & (1ULL << INTERCEPT_NMI)))
+		return true;
+
+	svm->vmcb->control.exit_code = SVM_EXIT_NMI;
+	svm->nested.exit_required = true;
+
+	return false;
+}
+
 static void *nested_svm_map(struct vcpu_svm *svm, u64 gpa, struct page **_page)
 {
 	struct page *page;
@@ -2687,9 +2702,11 @@ static void enable_nmi_window(struct kvm_vcpu *vcpu)
 	 * Something prevents NMI from been injected. Single step over possible
 	 * problem (IRET or exception injection or interrupt shadow)
 	 */
-	svm->nmi_singlestep = true;
-	svm->vmcb->save.rflags |= (X86_EFLAGS_TF | X86_EFLAGS_RF);
-	update_db_intercept(vcpu);
+	if (gif_set(svm) && nested_svm_nmi(svm)) {
+		svm->nmi_singlestep = true;
+		svm->vmcb->save.rflags |= (X86_EFLAGS_TF | X86_EFLAGS_RF);
+		update_db_intercept(vcpu);
+	}
 }
 
 static int svm_set_tss_addr(struct kvm *kvm, unsigned int addr)

From ecf1405df235da3efea213427ac7da7f816e9d06 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:13 +0100
Subject: [PATCH 0561/3638] KVM: SVM: Restore tracing of nested vmcb address

A recent change broke tracing of the nested vmcb address. It
was reported as 0 all the time. This patch fixes it.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 9f1143105e0..2e4e089646a 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1839,7 +1839,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	if (!nested_vmcb)
 		return false;
 
-	trace_kvm_nested_vmrun(svm->vmcb->save.rip - 3, svm->nested.vmcb,
+	trace_kvm_nested_vmrun(svm->vmcb->save.rip - 3, vmcb_gpa,
 			       nested_vmcb->save.rip,
 			       nested_vmcb->control.int_ctl,
 			       nested_vmcb->control.event_inj,

From 2e554e8d67926024b01e97d2fe652810165354e2 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:14 +0100
Subject: [PATCH 0562/3638] KVM: SVM: Add kvm_nested_intercepts tracepoint

This patch adds a tracepoint to get information about the
most important intercept bitmasks from the nested vmcb.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c   |  5 +++++
 arch/x86/kvm/trace.h | 22 ++++++++++++++++++++++
 arch/x86/kvm/x86.c   |  1 +
 3 files changed, 28 insertions(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2e4e089646a..cac761c6d1d 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1845,6 +1845,11 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 			       nested_vmcb->control.event_inj,
 			       nested_vmcb->control.nested_ctl);
 
+	trace_kvm_nested_intercepts(nested_vmcb->control.intercept_cr_read,
+				    nested_vmcb->control.intercept_cr_write,
+				    nested_vmcb->control.intercept_exceptions,
+				    nested_vmcb->control.intercept);
+
 	/* Clear internal status */
 	kvm_clear_exception_queue(&svm->vcpu);
 	kvm_clear_interrupt_queue(&svm->vcpu);
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 12f8d2dee98..17b52ccd977 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -419,6 +419,28 @@ TRACE_EVENT(kvm_nested_vmrun,
 		__entry->npt ? "on" : "off")
 );
 
+TRACE_EVENT(kvm_nested_intercepts,
+	    TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, __u64 intercept),
+	    TP_ARGS(cr_read, cr_write, exceptions, intercept),
+
+	TP_STRUCT__entry(
+		__field(	__u16,		cr_read		)
+		__field(	__u16,		cr_write	)
+		__field(	__u32,		exceptions	)
+		__field(	__u64,		intercept	)
+	),
+
+	TP_fast_assign(
+		__entry->cr_read	= cr_read;
+		__entry->cr_write	= cr_write;
+		__entry->exceptions	= exceptions;
+		__entry->intercept	= intercept;
+	),
+
+	TP_printk("cr_read: %04x cr_write: %04x excp: %08x intercept: %016llx",
+		__entry->cr_read, __entry->cr_write, __entry->exceptions,
+		__entry->intercept)
+);
 /*
  * Tracepoint for #VMEXIT while nested
  */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3a367f35ceb..1aa4d6e26ba 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5909,3 +5909,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_vmexit_inject);
 EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_intr_vmexit);
 EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_invlpga);
 EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_skinit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_intercepts);

From 4a810181c8bcd73112f5c62b205b5583fd4a197f Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:15 +0100
Subject: [PATCH 0563/3638] KVM: SVM: Implement emulation of vm_cr msr

This patch implements the emulation of the vm_cr msr for
nested svm.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/svm.h |  4 ++++
 arch/x86/kvm/svm.c         | 29 ++++++++++++++++++++++++++++-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index 38638cd2fa4..b26a38d8535 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -115,6 +115,10 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
 #define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
 #define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)
 
+#define SVM_VM_CR_VALID_MASK	0x001fULL
+#define SVM_VM_CR_SVM_LOCK_MASK 0x0008ULL
+#define SVM_VM_CR_SVM_DIS_MASK  0x0010ULL
+
 struct __attribute__ ((__packed__)) vmcb_seg {
 	u16 selector;
 	u16 attrib;
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index cac761c6d1d..b4aac5c7ad8 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -71,6 +71,7 @@ struct kvm_vcpu;
 struct nested_state {
 	struct vmcb *hsave;
 	u64 hsave_msr;
+	u64 vm_cr_msr;
 	u64 vmcb;
 
 	/* These are the merged vectors */
@@ -2280,7 +2281,7 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
 		*data = svm->nested.hsave_msr;
 		break;
 	case MSR_VM_CR:
-		*data = 0;
+		*data = svm->nested.vm_cr_msr;
 		break;
 	case MSR_IA32_UCODE_REV:
 		*data = 0x01000065;
@@ -2310,6 +2311,31 @@ static int rdmsr_interception(struct vcpu_svm *svm)
 	return 1;
 }
 
+static int svm_set_vm_cr(struct kvm_vcpu *vcpu, u64 data)
+{
+	struct vcpu_svm *svm = to_svm(vcpu);
+	int svm_dis, chg_mask;
+
+	if (data & ~SVM_VM_CR_VALID_MASK)
+		return 1;
+
+	chg_mask = SVM_VM_CR_VALID_MASK;
+
+	if (svm->nested.vm_cr_msr & SVM_VM_CR_SVM_DIS_MASK)
+		chg_mask &= ~(SVM_VM_CR_SVM_LOCK_MASK | SVM_VM_CR_SVM_DIS_MASK);
+
+	svm->nested.vm_cr_msr &= ~chg_mask;
+	svm->nested.vm_cr_msr |= (data & chg_mask);
+
+	svm_dis = svm->nested.vm_cr_msr & SVM_VM_CR_SVM_DIS_MASK;
+
+	/* check for svm_disable while efer.svme is set */
+	if (svm_dis && (vcpu->arch.efer & EFER_SVME))
+		return 1;
+
+	return 0;
+}
+
 static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
@@ -2376,6 +2402,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
 		svm->nested.hsave_msr = data;
 		break;
 	case MSR_VM_CR:
+		return svm_set_vm_cr(vcpu, data);
 	case MSR_VM_IGNNE:
 		pr_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data);
 		break;

From 82494028dff648c29e3a40915f1fceca51b4490a Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:16 +0100
Subject: [PATCH 0564/3638] KVM: SVM: Ignore write of hwcr.ignne

Hyper-V as a guest wants to write this bit. This patch
ignores it.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 1aa4d6e26ba..81b7af5558f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1090,6 +1090,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 		break;
 	case MSR_K7_HWCR:
 		data &= ~(u64)0x40;	/* ignore flush filter disable */
+		data &= ~(u64)0x100;	/* ignore ignne emulation enable */
 		if (data != 0) {
 			pr_unimpl(vcpu, "unimplemented HWCR wrmsr: 0x%llx\n",
 				data);

From b44ea385d8cb187e04ec8d901d4c320c8b07c40b Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:17 +0100
Subject: [PATCH 0565/3638] KVM: x86: Don't set arch.cr0 in kvm_set_cr0

The vcpu->arch.cr0 variable is already set in the
architecture specific set_cr0 callbacks. There is no need to
set it in the common code.
This allows the architecture code to keep the old arch.cr0
value if it wants. This is required for nested svm to decide
if a selective_cr0 exit needs to be injected.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 81b7af5558f..d0b184b5c24 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -475,7 +475,6 @@ void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 	}
 
 	kvm_x86_ops->set_cr0(vcpu, cr0);
-	vcpu->arch.cr0 = cr0;
 
 	kvm_mmu_reset_context(vcpu);
 	return;

From 7f5d8b5600b5294137886b46bf00ef811d0fdf32 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:18 +0100
Subject: [PATCH 0566/3638] KVM: SVM: Handle nested selective_cr0 intercept
 correctly

If we have the following situation with nested svm:

1. Host KVM intercepts cr0 writes
2. Guest hypervisor intercepts only selective cr0 writes

Then we get an cr0 write intercept which is handled on the
host. But that intercepts may actually be a selective cr0
intercept for the guest. This patch checks for this
condition and injects a selective cr0 intercept if needed.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index b4aac5c7ad8..631d2e54449 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1043,6 +1043,27 @@ static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
+	if (is_nested(svm)) {
+		/*
+		 * We are here because we run in nested mode, the host kvm
+		 * intercepts cr0 writes but the l1 hypervisor does not.
+		 * But the L1 hypervisor may intercept selective cr0 writes.
+		 * This needs to be checked here.
+		 */
+		unsigned long old, new;
+
+		/* Remove bits that would trigger a real cr0 write intercept */
+		old = vcpu->arch.cr0 & SVM_CR0_SELECTIVE_MASK;
+		new = cr0 & SVM_CR0_SELECTIVE_MASK;
+
+		if (old == new) {
+			/* cr0 write with ts and mp unchanged */
+			svm->vmcb->control.exit_code = SVM_EXIT_CR0_SEL_WRITE;
+			if (nested_svm_exit_handled(svm) == NESTED_EXIT_DONE)
+				return;
+		}
+	}
+
 #ifdef CONFIG_X86_64
 	if (vcpu->arch.efer & EFER_LME) {
 		if (!is_paging(vcpu) && (cr0 & X86_CR0_PG)) {

From 197717d5813fc39a7185a3177b76f4a3b2405df7 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 24 Feb 2010 18:59:19 +0100
Subject: [PATCH 0567/3638] KVM: SVM: Clear exit_info for injected INTR exits

When injecting an vmexit.intr into the nested hypervisor
there might be leftover values in the exit_info fields.
Clear them to not confuse nested hypervisors.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 631d2e54449..38f1fceefea 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1491,7 +1491,9 @@ static inline bool nested_svm_intr(struct vcpu_svm *svm)
 	if (!(svm->vcpu.arch.hflags & HF_HIF_MASK))
 		return false;
 
-	svm->vmcb->control.exit_code = SVM_EXIT_INTR;
+	svm->vmcb->control.exit_code   = SVM_EXIT_INTR;
+	svm->vmcb->control.exit_info_1 = 0;
+	svm->vmcb->control.exit_info_2 = 0;
 
 	if (svm->nested.intercept & 1ULL) {
 		/*

From f5c9803173848864d0c56108b9e102db0bf601de Mon Sep 17 00:00:00 2001
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Thu, 25 Feb 2010 11:33:19 +0900
Subject: [PATCH 0568/3638] KVM: update gfn_to_hva() to use
 gfn_to_hva_memslot()

Marcelo introduced gfn_to_hva_memslot() when he implemented
gfn_to_pfn_memslot(). Let's use this for gfn_to_hva() too.

Note: also remove parentheses next to return as checkpatch said to do.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 virt/kvm/kvm_main.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index c82ae249263..5bac6eb0f0a 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -914,6 +914,11 @@ int memslot_id(struct kvm *kvm, gfn_t gfn)
 	return memslot - slots->memslots;
 }
 
+static unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
+{
+	return slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE;
+}
+
 unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
 {
 	struct kvm_memory_slot *slot;
@@ -922,7 +927,7 @@ unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
 	slot = gfn_to_memslot_unaliased(kvm, gfn);
 	if (!slot || slot->flags & KVM_MEMSLOT_INVALID)
 		return bad_hva();
-	return (slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE);
+	return gfn_to_hva_memslot(slot, gfn);
 }
 EXPORT_SYMBOL_GPL(gfn_to_hva);
 
@@ -972,11 +977,6 @@ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
 }
 EXPORT_SYMBOL_GPL(gfn_to_pfn);
 
-static unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
-{
-	return (slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE);
-}
-
 pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
 			 struct kvm_memory_slot *slot, gfn_t gfn)
 {

From d6ab1ed44627c91d0a857a430b7ec4ed8648c7a5 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 25 Feb 2010 12:43:07 +0200
Subject: [PATCH 0569/3638] KVM: Drop kvm_get_gdt() in favor of generic linux
 function

Linux now has native_store_gdt() to do the same. Use it instead of
kvm local version.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 5 -----
 arch/x86/kvm/svm.c              | 2 +-
 arch/x86/kvm/vmx.c              | 4 ++--
 arch/x86/kvm/x86.c              | 2 +-
 4 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 502fff123e2..e3167224d93 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -723,11 +723,6 @@ static inline void kvm_get_idt(struct desc_ptr *table)
 	asm("sidt %0" : "=m"(*table));
 }
 
-static inline void kvm_get_gdt(struct desc_ptr *table)
-{
-	asm("sgdt %0" : "=m"(*table));
-}
-
 static inline unsigned long kvm_read_tr_base(void)
 {
 	u16 tr;
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 38f1fceefea..6882be5b926 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -368,7 +368,7 @@ static int svm_hardware_enable(void *garbage)
 	sd->max_asid = cpuid_ebx(SVM_CPUID_FUNC) - 1;
 	sd->next_asid = sd->max_asid + 1;
 
-	kvm_get_gdt(&gdt_descr);
+	native_store_gdt(&gdt_descr);
 	gdt = (struct desc_struct *)gdt_descr.address;
 	sd->tss_desc = (struct kvm_ldttss_desc *)(gdt + GDT_ENTRY_TSS);
 
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 61f03980ada..68712bdf040 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -603,7 +603,7 @@ static void reload_tss(void)
 	struct desc_ptr gdt;
 	struct desc_struct *descs;
 
-	kvm_get_gdt(&gdt);
+	native_store_gdt(&gdt);
 	descs = (void *)gdt.address;
 	descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
 	load_TR_desc();
@@ -767,7 +767,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 		 * processors.
 		 */
 		vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */
-		kvm_get_gdt(&dt);
+		native_store_gdt(&dt);
 		vmcs_writel(HOST_GDTR_BASE, dt.address);   /* 22.2.4 */
 
 		rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d0b184b5c24..e07b243055f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -233,7 +233,7 @@ unsigned long segment_base(u16 selector)
 	if (selector == 0)
 		return 0;
 
-	kvm_get_gdt(&gdt);
+	native_store_gdt(&gdt);
 	table_base = gdt.address;
 
 	if (selector & 4) {           /* from ldt */

From 254d4d48a56925622a5592ad590a738735b66135 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 25 Feb 2010 12:43:08 +0200
Subject: [PATCH 0570/3638] KVM: fix segment_base() error checking

fix segment_base() to properly check for null segment selector and
avoid accessing NULL pointer if ldt selector in null.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e07b243055f..814e72a02ef 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -230,7 +230,7 @@ unsigned long segment_base(u16 selector)
 	unsigned long table_base;
 	unsigned long v;
 
-	if (selector == 0)
+	if (!(selector & ~3))
 		return 0;
 
 	native_store_gdt(&gdt);
@@ -239,6 +239,8 @@ unsigned long segment_base(u16 selector)
 	if (selector & 4) {           /* from ldt */
 		u16 ldt_selector = kvm_read_ldt();
 
+		if (!(ldt_selector & ~3))
+			return 0;
 		table_base = segment_base(ldt_selector);
 	}
 	d = (struct desc_struct *)(table_base + (selector & ~7));

From 2d49ec72d3fab0aa90510a64a973d594c48b1fd1 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 25 Feb 2010 12:43:09 +0200
Subject: [PATCH 0571/3638] KVM: move segment_base() into vmx.c

segment_base() is used only by vmx so move it there.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_host.h |  9 --------
 arch/x86/kvm/vmx.c              | 37 +++++++++++++++++++++++++++++++++
 arch/x86/kvm/x86.c              | 30 --------------------------
 3 files changed, 37 insertions(+), 39 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index e3167224d93..ec891a2ce86 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -644,8 +644,6 @@ int emulator_write_emulated(unsigned long addr,
 			    unsigned int bytes,
 			    struct kvm_vcpu *vcpu);
 
-unsigned long segment_base(u16 selector);
-
 void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu);
 void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 		       const u8 *new, int bytes,
@@ -723,13 +721,6 @@ static inline void kvm_get_idt(struct desc_ptr *table)
 	asm("sidt %0" : "=m"(*table));
 }
 
-static inline unsigned long kvm_read_tr_base(void)
-{
-	u16 tr;
-	asm("str %0" : "=g"(tr));
-	return segment_base(tr);
-}
-
 #ifdef CONFIG_X86_64
 static inline unsigned long read_msr(unsigned long msr)
 {
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 68712bdf040..8e2a24693be 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -634,6 +634,43 @@ static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
 	return true;
 }
 
+static unsigned long segment_base(u16 selector)
+{
+	struct desc_ptr gdt;
+	struct desc_struct *d;
+	unsigned long table_base;
+	unsigned long v;
+
+	if (!(selector & ~3))
+		return 0;
+
+	native_store_gdt(&gdt);
+	table_base = gdt.address;
+
+	if (selector & 4) {           /* from ldt */
+		u16 ldt_selector = kvm_read_ldt();
+
+		if (!(ldt_selector & ~3))
+			return 0;
+
+		table_base = segment_base(ldt_selector);
+	}
+	d = (struct desc_struct *)(table_base + (selector & ~7));
+	v = get_desc_base(d);
+#ifdef CONFIG_X86_64
+       if (d->s == 0 && (d->type == 2 || d->type == 9 || d->type == 11))
+               v |= ((unsigned long)((struct ldttss_desc64 *)d)->base3) << 32;
+#endif
+	return v;
+}
+
+static inline unsigned long kvm_read_tr_base(void)
+{
+	u16 tr;
+	asm("str %0" : "=g"(tr));
+	return segment_base(tr);
+}
+
 static void vmx_save_host_state(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 814e72a02ef..2b34dc705cf 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -223,36 +223,6 @@ static void drop_user_return_notifiers(void *ignore)
 		kvm_on_user_return(&smsr->urn);
 }
 
-unsigned long segment_base(u16 selector)
-{
-	struct desc_ptr gdt;
-	struct desc_struct *d;
-	unsigned long table_base;
-	unsigned long v;
-
-	if (!(selector & ~3))
-		return 0;
-
-	native_store_gdt(&gdt);
-	table_base = gdt.address;
-
-	if (selector & 4) {           /* from ldt */
-		u16 ldt_selector = kvm_read_ldt();
-
-		if (!(ldt_selector & ~3))
-			return 0;
-		table_base = segment_base(ldt_selector);
-	}
-	d = (struct desc_struct *)(table_base + (selector & ~7));
-	v = get_desc_base(d);
-#ifdef CONFIG_X86_64
-	if (d->s == 0 && (d->type == 2 || d->type == 9 || d->type == 11))
-		v |= ((unsigned long)((struct ldttss_desc64 *)d)->base3) << 32;
-#endif
-	return v;
-}
-EXPORT_SYMBOL_GPL(segment_base);
-
 u64 kvm_get_apic_base(struct kvm_vcpu *vcpu)
 {
 	if (irqchip_in_kernel(vcpu->kvm))

From e35b7b9c9e7d8768ee34e5904fed4cb0f2c2cb5d Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 25 Feb 2010 16:36:42 +0200
Subject: [PATCH 0572/3638] KVM: x86 emulator: Add decoding of 16bit second in
 memory argument

Add decoding of Ep type of argument used by callf/jmpf.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index c9f604b0819..97a740368b3 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -85,6 +85,9 @@
 #define Src2ImmByte (2<<29)
 #define Src2One     (3<<29)
 #define Src2Imm16   (4<<29)
+#define Src2Mem16   (5<<29) /* Used for Ep encoding. First argument has to be
+			       in memory and second argument is located
+			       immediately after the first one in memory. */
 #define Src2Mask    (7<<29)
 
 enum {
@@ -1163,6 +1166,10 @@ done_prefixes:
 		c->src2.bytes = 1;
 		c->src2.val = 1;
 		break;
+	case Src2Mem16:
+		c->src2.bytes = 2;
+		c->src2.type = OP_MEM;
+		break;
 	}
 
 	/* Decode and fetch the destination operand: register or memory. */
@@ -1881,6 +1888,17 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 		c->src.orig_val = c->src.val;
 	}
 
+	if (c->src2.type == OP_MEM) {
+		c->src2.ptr = (unsigned long *)(memop + c->src.bytes);
+		c->src2.val = 0;
+		rc = ops->read_emulated((unsigned long)c->src2.ptr,
+					&c->src2.val,
+					c->src2.bytes,
+					ctxt->vcpu);
+		if (rc != X86EMUL_CONTINUE)
+			goto done;
+	}
+
 	if ((c->d & DstMask) == ImplicitOps)
 		goto special_insn;
 

From ea79849d4c8461034b75acb19c8041b6fddee2a5 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 25 Feb 2010 16:36:43 +0200
Subject: [PATCH 0573/3638] KVM: x86 emulator: Implement jmp far opcode ff/5

Implement jmp far opcode ff/5. It is used by multiboot loader.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 97a740368b3..5b6794adaa2 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -346,7 +346,8 @@ static u32 group_table[] = {
 	[Group5*8] =
 	DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM,
 	SrcMem | ModRM | Stack, 0,
-	SrcMem | ModRM | Stack, 0, SrcMem | ModRM | Stack, 0,
+	SrcMem | ModRM | Stack, SrcMem | ModRM | Src2Mem16 | ImplicitOps,
+	SrcMem | ModRM | Stack, 0,
 	[Group7*8] =
 	0, 0, ModRM | SrcMem | Priv, ModRM | SrcMem | Priv,
 	SrcNone | ModRM | DstMem | Mov, 0,
@@ -2322,6 +2323,7 @@ special_insn:
 	case 0xe9: /* jmp rel */
 		goto jmp;
 	case 0xea: /* jmp far */
+	jump_far:
 		if (kvm_load_segment_descriptor(ctxt->vcpu, c->src2.val,
 						VCPU_SREG_CS))
 			goto done;
@@ -2397,11 +2399,16 @@ special_insn:
 		ctxt->eflags |= EFLG_DF;
 		c->dst.type = OP_NONE;	/* Disable writeback. */
 		break;
-	case 0xfe ... 0xff:	/* Grp4/Grp5 */
+	case 0xfe: /* Grp4 */
+	grp45:
 		rc = emulate_grp45(ctxt, ops);
 		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
+	case 0xff: /* Grp5 */
+		if (c->modrm_reg == 5)
+			goto jump_far;
+		goto grp45;
 	}
 
 writeback:

From 76d17e6ca30204532c631d092de41febb3f76b77 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Sun, 25 Apr 2010 21:31:40 +0200
Subject: [PATCH 0574/3638] HID: fix picolcd's version parsing
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

During grouping of version checking code bootloader mode's version
bytes got swapped. Fix their order.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-picolcd.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 0fbc7d39616..6f71c60bf65 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -1196,16 +1196,14 @@ static int picolcd_check_version(struct hid_device *hdev)
 	}
 
 	if (verinfo->raw_size == 2) {
+		data->version[0] = verinfo->raw_data[1];
+		data->version[1] = verinfo->raw_data[0];
 		if (data->status & PICOLCD_BOOTLOADER) {
 			dev_info(&hdev->dev, "PicoLCD, bootloader version %d.%d\n",
-					verinfo->raw_data[0], verinfo->raw_data[1]);
-			data->version[0] = verinfo->raw_data[0];
-			data->version[1] = verinfo->raw_data[1];
+					verinfo->raw_data[1], verinfo->raw_data[0]);
 		} else {
 			dev_info(&hdev->dev, "PicoLCD, firmware version %d.%d\n",
 					verinfo->raw_data[1], verinfo->raw_data[0]);
-			data->version[0] = verinfo->raw_data[1];
-			data->version[1] = verinfo->raw_data[0];
 		}
 	} else {
 		dev_err(&hdev->dev, "confused, got unexpected version response from PicoLCD\n");

From e5ff082e8a68d9a6874990597497c7e6a96ad752 Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Mon, 26 Apr 2010 19:25:11 +0200
Subject: [PATCH 0575/3638] blkio: Fix another BUG_ON() crash due to cfqq
 movement across groups

o Once in a while, I was hitting a BUG_ON() in blkio code. empty_time was
  assuming that upon slice expiry, group can't be marked empty already (except
  forced dispatch).

  But this assumption is broken if cfqq can move (group_isolation=0) across
  groups after receiving a request.

  I think most likely in this case we got a request in a cfqq and accounted
  the rq in one group, later while adding the cfqq to tree, we moved the queue
  to a different group which was already marked empty and after dispatch from
  slice we found group already marked empty and raised alarm.

  This patch does not error out if group is already marked empty. This can
  introduce some empty_time stat error only in case of group_isolation=0. This
  is better than crashing. In case of group_isolation=1 we should still get
  same stats as before this patch.

[  222.308546] ------------[ cut here ]------------
[  222.309311] kernel BUG at block/blk-cgroup.c:236!
[  222.309311] invalid opcode: 0000 [#1] SMP
[  222.309311] last sysfs file: /sys/devices/virtual/block/dm-3/queue/scheduler
[  222.309311] CPU 1
[  222.309311] Modules linked in: dm_round_robin dm_multipath qla2xxx scsi_transport_fc dm_zero dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[  222.309311]
[  222.309311] Pid: 4780, comm: fio Not tainted 2.6.34-rc4-blkio-config #68 0A98h/HP xw8600 Workstation
[  222.309311] RIP: 0010:[<ffffffff8121ad88>]  [<ffffffff8121ad88>] blkiocg_set_start_empty_time+0x50/0x83
[  222.309311] RSP: 0018:ffff8800ba6e79f8  EFLAGS: 00010002
[  222.309311] RAX: 0000000000000082 RBX: ffff8800a13b7990 RCX: ffff8800a13b7808
[  222.309311] RDX: 0000000000002121 RSI: 0000000000000082 RDI: ffff8800a13b7a30
[  222.309311] RBP: ffff8800ba6e7a18 R08: 0000000000000000 R09: 0000000000000001
[  222.309311] R10: 000000000002f8c8 R11: ffff8800ba6e7ad8 R12: ffff8800a13b78ff
[  222.309311] R13: ffff8800a13b7990 R14: 0000000000000001 R15: ffff8800a13b7808
[  222.309311] FS:  00007f3beec476f0(0000) GS:ffff880001e40000(0000) knlGS:0000000000000000
[  222.309311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  222.309311] CR2: 000000000040e7f0 CR3: 00000000a12d5000 CR4: 00000000000006e0
[  222.309311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  222.309311] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  222.309311] Process fio (pid: 4780, threadinfo ffff8800ba6e6000, task ffff8800b3d6bf00)
[  222.309311] Stack:
[  222.309311]  0000000000000001 ffff8800bab17a48 ffff8800bab17a48 ffff8800a13b7800
[  222.309311] <0> ffff8800ba6e7a68 ffffffff8121da35 ffff880000000001 00ff8800ba5c5698
[  222.309311] <0> ffff8800ba6e7a68 ffff8800a13b7800 0000000000000000 ffff8800bab17a48
[  222.309311] Call Trace:
[  222.309311]  [<ffffffff8121da35>] __cfq_slice_expired+0x2af/0x3ec
[  222.309311]  [<ffffffff8121fd7b>] cfq_dispatch_requests+0x2c8/0x8e8
[  222.309311]  [<ffffffff8120f1cd>] ? spin_unlock_irqrestore+0xe/0x10
[  222.309311]  [<ffffffff8120fb1a>] ? blk_insert_cloned_request+0x70/0x7b
[  222.309311]  [<ffffffff81210461>] blk_peek_request+0x191/0x1a7
[  222.309311]  [<ffffffffa0002799>] dm_request_fn+0x38/0x14c [dm_mod]
[  222.309311]  [<ffffffff810ae61f>] ? sync_page_killable+0x0/0x35
[  222.309311]  [<ffffffff81210fd4>] __generic_unplug_device+0x32/0x37
[  222.309311]  [<ffffffff81211274>] generic_unplug_device+0x2e/0x3c
[  222.309311]  [<ffffffffa00011a6>] dm_unplug_all+0x42/0x5b [dm_mod]
[  222.309311]  [<ffffffff8120ca37>] blk_unplug+0x29/0x2d
[  222.309311]  [<ffffffff8120ca4d>] blk_backing_dev_unplug+0x12/0x14
[  222.309311]  [<ffffffff81109a7a>] block_sync_page+0x35/0x39
[  222.309311]  [<ffffffff810ae616>] sync_page+0x41/0x4a
[  222.309311]  [<ffffffff810ae62d>] sync_page_killable+0xe/0x35
[  222.309311]  [<ffffffff8158aa59>] __wait_on_bit_lock+0x46/0x8f
[  222.309311]  [<ffffffff810ae4f5>] __lock_page_killable+0x66/0x6d
[  222.309311]  [<ffffffff81056f9c>] ? wake_bit_function+0x0/0x33
[  222.309311]  [<ffffffff810ae528>] lock_page_killable+0x2c/0x2e
[  222.309311]  [<ffffffff810afbc5>] generic_file_aio_read+0x361/0x4f0
[  222.309311]  [<ffffffff810ea044>] do_sync_read+0xcb/0x108
[  222.309311]  [<ffffffff811e42f7>] ? security_file_permission+0x16/0x18
[  222.309311]  [<ffffffff810ea6ab>] vfs_read+0xab/0x108
[  222.309311]  [<ffffffff810ea7c8>] sys_read+0x4a/0x6e
[  222.309311]  [<ffffffff81002b5b>] system_call_fastpath+0x16/0x1b
[  222.309311] Code: 58 01 00 00 00 48 89 c6 75 0a 48 83 bb 60 01 00 00 00 74 09 48 8d bb a0 00 00 00 eb 35 41 fe cc 74 0d f6 83 c0 01 00 00 04 74 04 <0f> 0b eb fe 48 89 75 e8 e8 be e0 de ff 66 83 8b c0 01 00 00 04
[  222.309311] RIP  [<ffffffff8121ad88>] blkiocg_set_start_empty_time+0x50/0x83
[  222.309311]  RSP <ffff8800ba6e79f8>
[  222.309311] ---[ end trace 32b4f71dffc15712 ]---

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Acked-by: Divyesh Shah <dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c  | 15 +++++++++------
 block/blk-cgroup.h  |  5 ++---
 block/cfq-iosched.c | 33 ++++++++++++++++-----------------
 3 files changed, 27 insertions(+), 26 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 83930f65016..af42efbb0c1 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -213,7 +213,7 @@ void blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg)
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_avg_queue_size_stats);
 
-void blkiocg_set_start_empty_time(struct blkio_group *blkg, bool ignore)
+void blkiocg_set_start_empty_time(struct blkio_group *blkg)
 {
 	unsigned long flags;
 	struct blkio_group_stats *stats;
@@ -228,12 +228,15 @@ void blkiocg_set_start_empty_time(struct blkio_group *blkg, bool ignore)
 	}
 
 	/*
-	 * If ignore is set, we do not panic on the empty flag being set
-	 * already. This is to avoid cases where there are superfluous timeslice
-	 * complete events (for eg., forced_dispatch in CFQ) when no IOs are
-	 * served which could result in triggering the empty check incorrectly.
+	 * group is already marked empty. This can happen if cfqq got new
+	 * request in parent group and moved to this group while being added
+	 * to service tree. Just ignore the event and move on.
 	 */
-	BUG_ON(!ignore && blkio_blkg_empty(stats));
+	if(blkio_blkg_empty(stats)) {
+		spin_unlock_irqrestore(&blkg->stats_lock, flags);
+		return;
+	}
+
 	stats->start_empty_time = sched_clock();
 	blkio_mark_blkg_empty(stats);
 	spin_unlock_irqrestore(&blkg->stats_lock, flags);
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 2c956a06339..a491a6d56ec 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -174,7 +174,7 @@ void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 				unsigned long dequeue);
 void blkiocg_update_set_idle_time_stats(struct blkio_group *blkg);
 void blkiocg_update_idle_time_stats(struct blkio_group *blkg);
-void blkiocg_set_start_empty_time(struct blkio_group *blkg, bool ignore);
+void blkiocg_set_start_empty_time(struct blkio_group *blkg);
 
 #define BLKG_FLAG_FNS(name)						\
 static inline void blkio_mark_blkg_##name(				\
@@ -205,8 +205,7 @@ static inline void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 static inline void blkiocg_update_set_idle_time_stats(struct blkio_group *blkg)
 {}
 static inline void blkiocg_update_idle_time_stats(struct blkio_group *blkg) {}
-static inline void blkiocg_set_start_empty_time(struct blkio_group *blkg,
-						bool ignore) {}
+static inline void blkiocg_set_start_empty_time(struct blkio_group *blkg) {}
 #endif
 
 #if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index d5927b53020..002a5b62165 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -888,7 +888,7 @@ static inline unsigned int cfq_cfqq_slice_usage(struct cfq_queue *cfqq)
 }
 
 static void cfq_group_served(struct cfq_data *cfqd, struct cfq_group *cfqg,
-				struct cfq_queue *cfqq, bool forced)
+				struct cfq_queue *cfqq)
 {
 	struct cfq_rb_root *st = &cfqd->grp_service_tree;
 	unsigned int used_sl, charge_sl;
@@ -918,7 +918,7 @@ static void cfq_group_served(struct cfq_data *cfqd, struct cfq_group *cfqg,
 	cfq_log_cfqg(cfqd, cfqg, "served: vt=%llu min_vt=%llu", cfqg->vdisktime,
 					st->min_vdisktime);
 	blkiocg_update_timeslice_used(&cfqg->blkg, used_sl);
-	blkiocg_set_start_empty_time(&cfqg->blkg, forced);
+	blkiocg_set_start_empty_time(&cfqg->blkg);
 }
 
 #ifdef CONFIG_CFQ_GROUP_IOSCHED
@@ -1582,7 +1582,7 @@ static void __cfq_set_active_queue(struct cfq_data *cfqd,
  */
 static void
 __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq,
-		    bool timed_out, bool forced)
+		    bool timed_out)
 {
 	cfq_log_cfqq(cfqd, cfqq, "slice expired t=%d", timed_out);
 
@@ -1609,7 +1609,7 @@ __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq,
 		cfq_log_cfqq(cfqd, cfqq, "resid=%ld", cfqq->slice_resid);
 	}
 
-	cfq_group_served(cfqd, cfqq->cfqg, cfqq, forced);
+	cfq_group_served(cfqd, cfqq->cfqg, cfqq);
 
 	if (cfq_cfqq_on_rr(cfqq) && RB_EMPTY_ROOT(&cfqq->sort_list))
 		cfq_del_cfqq_rr(cfqd, cfqq);
@@ -1628,13 +1628,12 @@ __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq,
 	}
 }
 
-static inline void cfq_slice_expired(struct cfq_data *cfqd, bool timed_out,
-					bool forced)
+static inline void cfq_slice_expired(struct cfq_data *cfqd, bool timed_out)
 {
 	struct cfq_queue *cfqq = cfqd->active_queue;
 
 	if (cfqq)
-		__cfq_slice_expired(cfqd, cfqq, timed_out, forced);
+		__cfq_slice_expired(cfqd, cfqq, timed_out);
 }
 
 /*
@@ -2202,7 +2201,7 @@ static struct cfq_queue *cfq_select_queue(struct cfq_data *cfqd)
 	}
 
 expire:
-	cfq_slice_expired(cfqd, 0, false);
+	cfq_slice_expired(cfqd, 0);
 new_queue:
 	/*
 	 * Current queue expired. Check if we have to switch to a new
@@ -2228,7 +2227,7 @@ static int __cfq_forced_dispatch_cfqq(struct cfq_queue *cfqq)
 	BUG_ON(!list_empty(&cfqq->fifo));
 
 	/* By default cfqq is not expired if it is empty. Do it explicitly */
-	__cfq_slice_expired(cfqq->cfqd, cfqq, 0, true);
+	__cfq_slice_expired(cfqq->cfqd, cfqq, 0);
 	return dispatched;
 }
 
@@ -2242,7 +2241,7 @@ static int cfq_forced_dispatch(struct cfq_data *cfqd)
 	int dispatched = 0;
 
 	/* Expire the timeslice of the current active queue first */
-	cfq_slice_expired(cfqd, 0, true);
+	cfq_slice_expired(cfqd, 0);
 	while ((cfqq = cfq_get_next_queue_forced(cfqd)) != NULL) {
 		__cfq_set_active_queue(cfqd, cfqq);
 		dispatched += __cfq_forced_dispatch_cfqq(cfqq);
@@ -2411,7 +2410,7 @@ static int cfq_dispatch_requests(struct request_queue *q, int force)
 	    cfqq->slice_dispatch >= cfq_prio_to_maxrq(cfqd, cfqq)) ||
 	    cfq_class_idle(cfqq))) {
 		cfqq->slice_end = jiffies + 1;
-		cfq_slice_expired(cfqd, 0, false);
+		cfq_slice_expired(cfqd, 0);
 	}
 
 	cfq_log_cfqq(cfqd, cfqq, "dispatched a request");
@@ -2442,7 +2441,7 @@ static void cfq_put_queue(struct cfq_queue *cfqq)
 	orig_cfqg = cfqq->orig_cfqg;
 
 	if (unlikely(cfqd->active_queue == cfqq)) {
-		__cfq_slice_expired(cfqd, cfqq, 0, false);
+		__cfq_slice_expired(cfqd, cfqq, 0);
 		cfq_schedule_dispatch(cfqd);
 	}
 
@@ -2543,7 +2542,7 @@ static void cfq_exit_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 	struct cfq_queue *__cfqq, *next;
 
 	if (unlikely(cfqq == cfqd->active_queue)) {
-		__cfq_slice_expired(cfqd, cfqq, 0, false);
+		__cfq_slice_expired(cfqd, cfqq, 0);
 		cfq_schedule_dispatch(cfqd);
 	}
 
@@ -3172,7 +3171,7 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq,
 static void cfq_preempt_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 {
 	cfq_log_cfqq(cfqd, cfqq, "preempt");
-	cfq_slice_expired(cfqd, 1, false);
+	cfq_slice_expired(cfqd, 1);
 
 	/*
 	 * Put the new queue at the front of the of the current list,
@@ -3383,7 +3382,7 @@ static void cfq_completed_request(struct request_queue *q, struct request *rq)
 		 * - when there is a close cooperator
 		 */
 		if (cfq_slice_used(cfqq) || cfq_class_idle(cfqq))
-			cfq_slice_expired(cfqd, 1, false);
+			cfq_slice_expired(cfqd, 1);
 		else if (sync && cfqq_empty &&
 			 !cfq_close_cooperator(cfqd, cfqq)) {
 			cfqd->noidle_tree_requires_idle |= !rq_noidle(rq);
@@ -3648,7 +3647,7 @@ static void cfq_idle_slice_timer(unsigned long data)
 		cfq_clear_cfqq_deep(cfqq);
 	}
 expire:
-	cfq_slice_expired(cfqd, timed_out, false);
+	cfq_slice_expired(cfqd, timed_out);
 out_kick:
 	cfq_schedule_dispatch(cfqd);
 out_cont:
@@ -3691,7 +3690,7 @@ static void cfq_exit_queue(struct elevator_queue *e)
 	spin_lock_irq(q->queue_lock);
 
 	if (cfqd->active_queue)
-		__cfq_slice_expired(cfqd, cfqd->active_queue, 0, false);
+		__cfq_slice_expired(cfqd, cfqd->active_queue, 0);
 
 	while (!list_empty(&cfqd->cic_list)) {
 		struct cfq_io_context *cic = list_entry(cfqd->cic_list.next,

From afc24d49c1e5dbeef745c1c1246f5ae6ebd97c71 Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Mon, 26 Apr 2010 19:27:56 +0200
Subject: [PATCH 0576/3638] blk-cgroup: config options re-arrangement

This patch fixes few usability and configurability issues.

o All the cgroup based controller options are configurable from
  "Genral Setup/Control Group Support/" menu. blkio is the only exception.
  Hence make this option visible in above menu and make it configurable from
  there to bring it inline with rest of the cgroup based controllers.

o Get rid of CONFIG_DEBUG_CFQ_IOSCHED.

  This option currently does two things.

  - Enable printing of cgroup paths in blktrace
  - Enables CONFIG_DEBUG_BLK_CGROUP, which in turn displays additional stat
    files in cgroup.

  If we are using group scheduling, blktrace data is of not really much use
  if cgroup information is not present. To get this data, currently one has to
  also enable CONFIG_DEBUG_CFQ_IOSCHED, which in turn brings the overhead of
  all the additional debug stat files which is not desired.

  Hence, this patch moves printing of cgroup paths under
  CONFIG_CFQ_GROUP_IOSCHED.

  This allows us to get rid of CONFIG_DEBUG_CFQ_IOSCHED completely. Now all
  the debug stat files are controlled only by CONFIG_DEBUG_BLK_CGROUP which
  can be enabled through config menu.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Acked-by: Divyesh Shah <dpshah@google.com>
Reviewed-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 Documentation/cgroups/blkio-controller.txt | 35 ++++++++++------------
 block/Kconfig                              | 23 --------------
 block/Kconfig.iosched                      | 16 ++++------
 block/blk-cgroup.c                         |  2 --
 block/blk-cgroup.h                         | 14 ++++-----
 block/cfq-iosched.c                        |  2 +-
 init/Kconfig                               | 27 +++++++++++++++++
 7 files changed, 55 insertions(+), 64 deletions(-)

diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroups/blkio-controller.txt
index d422b410a99..48e0b21b005 100644
--- a/Documentation/cgroups/blkio-controller.txt
+++ b/Documentation/cgroups/blkio-controller.txt
@@ -17,6 +17,9 @@ HOWTO
 You can do a very simple testing of running two dd threads in two different
 cgroups. Here is what you can do.
 
+- Enable Block IO controller
+	CONFIG_BLK_CGROUP=y
+
 - Enable group scheduling in CFQ
 	CONFIG_CFQ_GROUP_IOSCHED=y
 
@@ -54,25 +57,17 @@ cgroups. Here is what you can do.
 
 Various user visible config options
 ===================================
+CONFIG_BLK_CGROUP
+	- Block IO controller.
+
+CONFIG_DEBUG_BLK_CGROUP
+	- Debug help. Right now some additional stats file show up in cgroup
+	  if this option is enabled.
+
 CONFIG_CFQ_GROUP_IOSCHED
 	- Enables group scheduling in CFQ. Currently only 1 level of group
 	  creation is allowed.
 
-CONFIG_DEBUG_CFQ_IOSCHED
-	- Enables some debugging messages in blktrace. Also creates extra
-	  cgroup file blkio.dequeue.
-
-Config options selected automatically
-=====================================
-These config options are not user visible and are selected/deselected
-automatically based on IO scheduler configuration.
-
-CONFIG_BLK_CGROUP
-	- Block IO controller. Selected by CONFIG_CFQ_GROUP_IOSCHED.
-
-CONFIG_DEBUG_BLK_CGROUP
-	- Debug help. Selected by CONFIG_DEBUG_CFQ_IOSCHED.
-
 Details of cgroup files
 =======================
 - blkio.weight
@@ -174,13 +169,13 @@ Details of cgroup files
 	  write, sync or async.
 
 - blkio.avg_queue_size
-	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y.
+	- Debugging aid only enabled if CONFIG_DEBUG_BLK_CGROUP=y.
 	  The average queue size for this cgroup over the entire time of this
 	  cgroup's existence. Queue size samples are taken each time one of the
 	  queues of this cgroup gets a timeslice.
 
 - blkio.group_wait_time
-	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y.
+	- Debugging aid only enabled if CONFIG_DEBUG_BLK_CGROUP=y.
 	  This is the amount of time the cgroup had to wait since it became busy
 	  (i.e., went from 0 to 1 request queued) to get a timeslice for one of
 	  its queues. This is different from the io_wait_time which is the
@@ -191,7 +186,7 @@ Details of cgroup files
 	  got a timeslice and will not include the current delta.
 
 - blkio.empty_time
-	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y.
+	- Debugging aid only enabled if CONFIG_DEBUG_BLK_CGROUP=y.
 	  This is the amount of time a cgroup spends without any pending
 	  requests when not being served, i.e., it does not include any time
 	  spent idling for one of the queues of the cgroup. This is in
@@ -200,7 +195,7 @@ Details of cgroup files
 	  time it had a pending request and will not include the current delta.
 
 - blkio.idle_time
-	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y.
+	- Debugging aid only enabled if CONFIG_DEBUG_BLK_CGROUP=y.
 	  This is the amount of time spent by the IO scheduler idling for a
 	  given cgroup in anticipation of a better request than the exising ones
 	  from other queues/cgroups. This is in nanoseconds. If this is read
@@ -209,7 +204,7 @@ Details of cgroup files
 	  the current delta.
 
 - blkio.dequeue
-	- Debugging aid only enabled if CONFIG_DEBUG_CFQ_IOSCHED=y. This
+	- Debugging aid only enabled if CONFIG_DEBUG_BLK_CGROUP=y. This
 	  gives the statistics about how many a times a group was dequeued
 	  from service tree of the device. First two fields specify the major
 	  and minor number of the device and third field specifies the number
diff --git a/block/Kconfig b/block/Kconfig
index f9e89f4d94b..9be0b56eaee 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -77,29 +77,6 @@ config BLK_DEV_INTEGRITY
 	T10/SCSI Data Integrity Field or the T13/ATA External Path
 	Protection.  If in doubt, say N.
 
-config BLK_CGROUP
-	tristate "Block cgroup support"
-	depends on CGROUPS
-	depends on CFQ_GROUP_IOSCHED
-	default n
-	---help---
-	Generic block IO controller cgroup interface. This is the common
-	cgroup interface which should be used by various IO controlling
-	policies.
-
-	Currently, CFQ IO scheduler uses it to recognize task groups and
-	control disk bandwidth allocation (proportional time slice allocation)
-	to such task groups.
-
-config DEBUG_BLK_CGROUP
-	bool
-	depends on BLK_CGROUP
-	default n
-	---help---
-	Enable some debugging help. Currently it stores the cgroup path
-	in the blk group which can be used by cfq for tracing various
-	group related activity.
-
 endif # BLOCK
 
 config BLOCK_COMPAT
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index fc71cf071fb..3199b76f795 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -23,7 +23,8 @@ config IOSCHED_DEADLINE
 
 config IOSCHED_CFQ
 	tristate "CFQ I/O scheduler"
-	select BLK_CGROUP if CFQ_GROUP_IOSCHED
+	# If BLK_CGROUP is a module, CFQ has to be built as module.
+	depends on (BLK_CGROUP=m && m) || !BLK_CGROUP || BLK_CGROUP=y
 	default y
 	---help---
 	  The CFQ I/O scheduler tries to distribute bandwidth equally
@@ -33,22 +34,15 @@ config IOSCHED_CFQ
 
 	  This is the default I/O scheduler.
 
+	  Note: If BLK_CGROUP=m, then CFQ can be built only as module.
+
 config CFQ_GROUP_IOSCHED
 	bool "CFQ Group Scheduling support"
-	depends on IOSCHED_CFQ && CGROUPS
+	depends on IOSCHED_CFQ && BLK_CGROUP
 	default n
 	---help---
 	  Enable group IO scheduling in CFQ.
 
-config DEBUG_CFQ_IOSCHED
-	bool "Debug CFQ Scheduling"
-	depends on CFQ_GROUP_IOSCHED
-	select DEBUG_BLK_CGROUP
-	default n
-	---help---
-	  Enable CFQ IO scheduling debugging in CFQ. Currently it makes
-	  blktrace output more verbose.
-
 choice
 	prompt "Default I/O scheduler"
 	default DEFAULT_CFQ
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index af42efbb0c1..d02bbf88de1 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -351,10 +351,8 @@ void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 	blkg->blkcg_id = css_id(&blkcg->css);
 	hlist_add_head_rcu(&blkg->blkcg_node, &blkcg->blkg_list);
 	spin_unlock_irqrestore(&blkcg->lock, flags);
-#ifdef CONFIG_DEBUG_BLK_CGROUP
 	/* Need to take css reference ? */
 	cgroup_path(blkcg->css.cgroup, blkg->path, sizeof(blkg->path));
-#endif
 	blkg->dev = dev;
 }
 EXPORT_SYMBOL_GPL(blkiocg_add_blkio_group);
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index a491a6d56ec..2b866ec1dce 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -108,10 +108,8 @@ struct blkio_group {
 	void *key;
 	struct hlist_node blkcg_node;
 	unsigned short blkcg_id;
-#ifdef CONFIG_DEBUG_BLK_CGROUP
 	/* Store cgroup path */
 	char path[128];
-#endif
 	/* The device MKDEV(major, minor), this group has been created for */
 	dev_t dev;
 
@@ -147,6 +145,11 @@ struct blkio_policy_type {
 extern void blkio_policy_register(struct blkio_policy_type *);
 extern void blkio_policy_unregister(struct blkio_policy_type *);
 
+static inline char *blkg_path(struct blkio_group *blkg)
+{
+	return blkg->path;
+}
+
 #else
 
 struct blkio_group {
@@ -158,6 +161,8 @@ struct blkio_policy_type {
 static inline void blkio_policy_register(struct blkio_policy_type *blkiop) { }
 static inline void blkio_policy_unregister(struct blkio_policy_type *blkiop) { }
 
+static inline char *blkg_path(struct blkio_group *blkg) { return NULL; }
+
 #endif
 
 #define BLKIO_WEIGHT_MIN	100
@@ -165,10 +170,6 @@ static inline void blkio_policy_unregister(struct blkio_policy_type *blkiop) { }
 #define BLKIO_WEIGHT_DEFAULT	500
 
 #ifdef CONFIG_DEBUG_BLK_CGROUP
-static inline char *blkg_path(struct blkio_group *blkg)
-{
-	return blkg->path;
-}
 void blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg);
 void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
 				unsigned long dequeue);
@@ -197,7 +198,6 @@ BLKG_FLAG_FNS(idling)
 BLKG_FLAG_FNS(empty)
 #undef BLKG_FLAG_FNS
 #else
-static inline char *blkg_path(struct blkio_group *blkg) { return NULL; }
 static inline void blkiocg_update_avg_queue_size_stats(
 						struct blkio_group *blkg) {}
 static inline void blkiocg_update_dequeue_stats(struct blkio_group *blkg,
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 002a5b62165..286008cf889 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -345,7 +345,7 @@ CFQ_CFQQ_FNS(deep);
 CFQ_CFQQ_FNS(wait_busy);
 #undef CFQ_CFQQ_FNS
 
-#ifdef CONFIG_DEBUG_CFQ_IOSCHED
+#ifdef CONFIG_CFQ_GROUP_IOSCHED
 #define cfq_log_cfqq(cfqd, cfqq, fmt, args...)	\
 	blk_add_trace_msg((cfqd)->queue, "cfq%d%c %s " fmt, (cfqq)->pid, \
 			cfq_cfqq_sync((cfqq)) ? 'S' : 'A', \
diff --git a/init/Kconfig b/init/Kconfig
index eb77e8ccde1..087c14f3c59 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -612,6 +612,33 @@ config RT_GROUP_SCHED
 
 endif #CGROUP_SCHED
 
+config BLK_CGROUP
+	tristate "Block IO controller"
+	depends on CGROUPS && BLOCK
+	default n
+	---help---
+	Generic block IO controller cgroup interface. This is the common
+	cgroup interface which should be used by various IO controlling
+	policies.
+
+	Currently, CFQ IO scheduler uses it to recognize task groups and
+	control disk bandwidth allocation (proportional time slice allocation)
+	to such task groups.
+
+	This option only enables generic Block IO controller infrastructure.
+	One needs to also enable actual IO controlling logic in CFQ for it
+	to take effect. (CONFIG_CFQ_GROUP_IOSCHED=y).
+
+	See Documentation/cgroups/blkio-controller.txt for more information.
+
+config DEBUG_BLK_CGROUP
+	bool "Enable Block IO controller debugging"
+	depends on BLK_CGROUP
+	default n
+	---help---
+	Enable some debugging help. Currently it exports additional stat
+	files in a cgroup which can be useful for debugging.
+
 endif # CGROUPS
 
 config MM_OWNER

From 9b9ade6b612e562c4a5bd02ef38cc32e10f3f9ba Mon Sep 17 00:00:00 2001
From: Yulia Vilensky <vilensky@compulab.co.il>
Date: Mon, 26 Apr 2010 14:05:25 +0300
Subject: [PATCH 0577/3638] ds2782_battery: Add support for ds2786 battery gas
 gauge

Signed-off-by: Yulia Vilensky <vilensky@compulab.co.il>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/Kconfig          |   4 +-
 drivers/power/ds2782_battery.c | 184 ++++++++++++++++++++++++---------
 include/linux/ds2782_battery.h |   8 ++
 3 files changed, 146 insertions(+), 50 deletions(-)
 create mode 100644 include/linux/ds2782_battery.h

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 22f2fa91212..c59bcb7c6eb 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -65,10 +65,10 @@ config BATTERY_DS2760
 	  Say Y here to enable support for batteries with ds2760 chip.
 
 config BATTERY_DS2782
-	tristate "DS2782 standalone gas-gauge"
+	tristate "DS2782/DS2786 standalone gas-gauge"
 	depends on I2C
 	help
-	  Say Y here to enable support for the DS2782 standalone battery
+	  Say Y here to enable support for the DS2782/DS2786 standalone battery
 	  gas-gauge.
 
 config BATTERY_PMU
diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c
index ba1bd1a545b..c665e800723 100644
--- a/drivers/power/ds2782_battery.c
+++ b/drivers/power/ds2782_battery.c
@@ -5,6 +5,8 @@
  *
  * Author: Ryan Mallon <ryan@bluewatersys.com>
  *
+ * DS2786 added by Yulia Vilensky <vilensky@compulab.co.il>
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
@@ -20,12 +22,13 @@
 #include <linux/idr.h>
 #include <linux/power_supply.h>
 #include <linux/slab.h>
+#include <linux/ds2782_battery.h>
 
 #define DS2782_REG_RARC		0x06	/* Remaining active relative capacity */
 
-#define DS2782_REG_VOLT_MSB	0x0c
-#define DS2782_REG_TEMP_MSB	0x0a
-#define DS2782_REG_CURRENT_MSB	0x0e
+#define DS278x_REG_VOLT_MSB	0x0c
+#define DS278x_REG_TEMP_MSB	0x0a
+#define DS278x_REG_CURRENT_MSB	0x0e
 
 /* EEPROM Block */
 #define DS2782_REG_RSNSP	0x69	/* Sense resistor value */
@@ -33,18 +36,33 @@
 /* Current unit measurement in uA for a 1 milli-ohm sense resistor */
 #define DS2782_CURRENT_UNITS	1563
 
-#define to_ds2782_info(x) container_of(x, struct ds2782_info, battery)
+#define DS2786_REG_RARC		0x02	/* Remaining active relative capacity */
 
-struct ds2782_info {
+#define DS2786_CURRENT_UNITS	25
+
+struct ds278x_info;
+
+struct ds278x_battery_ops {
+	int	(*get_current)(struct ds278x_info *info, int *current_uA);
+	int	(*get_voltage)(struct ds278x_info *info, int *voltage_uA);
+	int	(*get_capacity)(struct ds278x_info *info, int *capacity_uA);
+
+};
+
+#define to_ds278x_info(x) container_of(x, struct ds278x_info, battery)
+
+struct ds278x_info {
 	struct i2c_client	*client;
 	struct power_supply	battery;
+	struct ds278x_battery_ops  *ops;
 	int			id;
+	int                     rsns;
 };
 
 static DEFINE_IDR(battery_id);
 static DEFINE_MUTEX(battery_lock);
 
-static inline int ds2782_read_reg(struct ds2782_info *info, int reg, u8 *val)
+static inline int ds278x_read_reg(struct ds278x_info *info, int reg, u8 *val)
 {
 	int ret;
 
@@ -58,7 +76,7 @@ static inline int ds2782_read_reg(struct ds2782_info *info, int reg, u8 *val)
 	return 0;
 }
 
-static inline int ds2782_read_reg16(struct ds2782_info *info, int reg_msb,
+static inline int ds278x_read_reg16(struct ds278x_info *info, int reg_msb,
 				    s16 *val)
 {
 	int ret;
@@ -73,7 +91,7 @@ static inline int ds2782_read_reg16(struct ds2782_info *info, int reg_msb,
 	return 0;
 }
 
-static int ds2782_get_temp(struct ds2782_info *info, int *temp)
+static int ds278x_get_temp(struct ds278x_info *info, int *temp)
 {
 	s16 raw;
 	int err;
@@ -84,14 +102,14 @@ static int ds2782_get_temp(struct ds2782_info *info, int *temp)
 	 * celsius. The temperature value is stored as a 10 bit number, plus
 	 * sign in the upper bits of a 16 bit register.
 	 */
-	err = ds2782_read_reg16(info, DS2782_REG_TEMP_MSB, &raw);
+	err = ds278x_read_reg16(info, DS278x_REG_TEMP_MSB, &raw);
 	if (err)
 		return err;
 	*temp = ((raw / 32) * 125) / 100;
 	return 0;
 }
 
-static int ds2782_get_current(struct ds2782_info *info, int *current_uA)
+static int ds2782_get_current(struct ds278x_info *info, int *current_uA)
 {
 	int sense_res;
 	int err;
@@ -102,7 +120,7 @@ static int ds2782_get_current(struct ds2782_info *info, int *current_uA)
 	 * The units of measurement for current are dependent on the value of
 	 * the sense resistor.
 	 */
-	err = ds2782_read_reg(info, DS2782_REG_RSNSP, &sense_res_raw);
+	err = ds278x_read_reg(info, DS2782_REG_RSNSP, &sense_res_raw);
 	if (err)
 		return err;
 	if (sense_res_raw == 0) {
@@ -113,14 +131,14 @@ static int ds2782_get_current(struct ds2782_info *info, int *current_uA)
 
 	dev_dbg(&info->client->dev, "sense resistor = %d milli-ohms\n",
 		sense_res);
-	err = ds2782_read_reg16(info, DS2782_REG_CURRENT_MSB, &raw);
+	err = ds278x_read_reg16(info, DS278x_REG_CURRENT_MSB, &raw);
 	if (err)
 		return err;
 	*current_uA = raw * (DS2782_CURRENT_UNITS / sense_res);
 	return 0;
 }
 
-static int ds2782_get_voltage(struct ds2782_info *info, int *voltage_uA)
+static int ds2782_get_voltage(struct ds278x_info *info, int *voltage_uA)
 {
 	s16 raw;
 	int err;
@@ -129,36 +147,77 @@ static int ds2782_get_voltage(struct ds2782_info *info, int *voltage_uA)
 	 * Voltage is measured in units of 4.88mV. The voltage is stored as
 	 * a 10-bit number plus sign, in the upper bits of a 16-bit register
 	 */
-	err = ds2782_read_reg16(info, DS2782_REG_VOLT_MSB, &raw);
+	err = ds278x_read_reg16(info, DS278x_REG_VOLT_MSB, &raw);
 	if (err)
 		return err;
 	*voltage_uA = (raw / 32) * 4800;
 	return 0;
 }
 
-static int ds2782_get_capacity(struct ds2782_info *info, int *capacity)
+static int ds2782_get_capacity(struct ds278x_info *info, int *capacity)
 {
 	int err;
 	u8 raw;
 
-	err = ds2782_read_reg(info, DS2782_REG_RARC, &raw);
+	err = ds278x_read_reg(info, DS2782_REG_RARC, &raw);
 	if (err)
 		return err;
 	*capacity = raw;
 	return raw;
 }
 
-static int ds2782_get_status(struct ds2782_info *info, int *status)
+static int ds2786_get_current(struct ds278x_info *info, int *current_uA)
+{
+	int err;
+	s16 raw;
+
+	err = ds278x_read_reg16(info, DS278x_REG_CURRENT_MSB, &raw);
+	if (err)
+		return err;
+	*current_uA = (raw / 16) * (DS2786_CURRENT_UNITS / info->rsns);
+	return 0;
+}
+
+static int ds2786_get_voltage(struct ds278x_info *info, int *voltage_uA)
+{
+	s16 raw;
+	int err;
+
+	/*
+	 * Voltage is measured in units of 1.22mV. The voltage is stored as
+	 * a 10-bit number plus sign, in the upper bits of a 16-bit register
+	 */
+	err = ds278x_read_reg16(info, DS278x_REG_VOLT_MSB, &raw);
+	if (err)
+		return err;
+	*voltage_uA = (raw / 8) * 1220;
+	return 0;
+}
+
+static int ds2786_get_capacity(struct ds278x_info *info, int *capacity)
+{
+	int err;
+	u8 raw;
+
+	err = ds278x_read_reg(info, DS2786_REG_RARC, &raw);
+	if (err)
+		return err;
+	/* Relative capacity is displayed with resolution 0.5 % */
+	*capacity = raw/2 ;
+	return 0;
+}
+
+static int ds278x_get_status(struct ds278x_info *info, int *status)
 {
 	int err;
 	int current_uA;
 	int capacity;
 
-	err = ds2782_get_current(info, &current_uA);
+	err = info->ops->get_current(info, &current_uA);
 	if (err)
 		return err;
 
-	err = ds2782_get_capacity(info, &capacity);
+	err = info->ops->get_capacity(info, &capacity);
 	if (err)
 		return err;
 
@@ -174,32 +233,32 @@ static int ds2782_get_status(struct ds2782_info *info, int *status)
 	return 0;
 }
 
-static int ds2782_battery_get_property(struct power_supply *psy,
+static int ds278x_battery_get_property(struct power_supply *psy,
 				       enum power_supply_property prop,
 				       union power_supply_propval *val)
 {
-	struct ds2782_info *info = to_ds2782_info(psy);
+	struct ds278x_info *info = to_ds278x_info(psy);
 	int ret;
 
 	switch (prop) {
 	case POWER_SUPPLY_PROP_STATUS:
-		ret = ds2782_get_status(info, &val->intval);
+		ret = ds278x_get_status(info, &val->intval);
 		break;
 
 	case POWER_SUPPLY_PROP_CAPACITY:
-		ret = ds2782_get_capacity(info, &val->intval);
+		ret = info->ops->get_capacity(info, &val->intval);
 		break;
 
 	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
-		ret = ds2782_get_voltage(info, &val->intval);
+		ret = info->ops->get_voltage(info, &val->intval);
 		break;
 
 	case POWER_SUPPLY_PROP_CURRENT_NOW:
-		ret = ds2782_get_current(info, &val->intval);
+		ret = info->ops->get_current(info, &val->intval);
 		break;
 
 	case POWER_SUPPLY_PROP_TEMP:
-		ret = ds2782_get_temp(info, &val->intval);
+		ret = ds278x_get_temp(info, &val->intval);
 		break;
 
 	default:
@@ -209,7 +268,7 @@ static int ds2782_battery_get_property(struct power_supply *psy,
 	return ret;
 }
 
-static enum power_supply_property ds2782_battery_props[] = {
+static enum power_supply_property ds278x_battery_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_CAPACITY,
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
@@ -217,18 +276,18 @@ static enum power_supply_property ds2782_battery_props[] = {
 	POWER_SUPPLY_PROP_TEMP,
 };
 
-static void ds2782_power_supply_init(struct power_supply *battery)
+static void ds278x_power_supply_init(struct power_supply *battery)
 {
 	battery->type			= POWER_SUPPLY_TYPE_BATTERY;
-	battery->properties		= ds2782_battery_props;
-	battery->num_properties		= ARRAY_SIZE(ds2782_battery_props);
-	battery->get_property		= ds2782_battery_get_property;
+	battery->properties		= ds278x_battery_props;
+	battery->num_properties		= ARRAY_SIZE(ds278x_battery_props);
+	battery->get_property		= ds278x_battery_get_property;
 	battery->external_power_changed	= NULL;
 }
 
-static int ds2782_battery_remove(struct i2c_client *client)
+static int ds278x_battery_remove(struct i2c_client *client)
 {
-	struct ds2782_info *info = i2c_get_clientdata(client);
+	struct ds278x_info *info = i2c_get_clientdata(client);
 
 	power_supply_unregister(&info->battery);
 	kfree(info->battery.name);
@@ -241,13 +300,36 @@ static int ds2782_battery_remove(struct i2c_client *client)
 	return 0;
 }
 
-static int ds2782_battery_probe(struct i2c_client *client,
+static struct ds278x_battery_ops ds278x_ops[] = {
+	[0] = {
+		.get_current  = ds2782_get_current,
+		.get_voltage  = ds2782_get_voltage,
+		.get_capacity = ds2782_get_capacity,
+	},
+	[1] = {
+		.get_current  = ds2786_get_current,
+		.get_voltage  = ds2786_get_voltage,
+		.get_capacity = ds2786_get_capacity,
+	}
+};
+
+static int ds278x_battery_probe(struct i2c_client *client,
 				const struct i2c_device_id *id)
 {
-	struct ds2782_info *info;
+	struct ds278x_platform_data *pdata = client->dev.platform_data;
+	struct ds278x_info *info;
 	int ret;
 	int num;
 
+	/*
+	 * ds2786 should have the sense resistor value set
+	 * in the platform data
+	 */
+	if (id->driver_data == 1 && !pdata) {
+		dev_err(&client->dev, "missing platform data for ds2786\n");
+		return -EINVAL;
+	}
+
 	/* Get an ID for this battery */
 	ret = idr_pre_get(&battery_id, GFP_KERNEL);
 	if (ret == 0) {
@@ -267,15 +349,20 @@ static int ds2782_battery_probe(struct i2c_client *client,
 		goto fail_info;
 	}
 
-	info->battery.name = kasprintf(GFP_KERNEL, "ds2782-%d", num);
+	info->battery.name = kasprintf(GFP_KERNEL, "%s-%d", client->name, num);
 	if (!info->battery.name) {
 		ret = -ENOMEM;
 		goto fail_name;
 	}
 
+	if (id->driver_data == 1)
+		info->rsns = pdata->rsns;
+
 	i2c_set_clientdata(client, info);
 	info->client = client;
-	ds2782_power_supply_init(&info->battery);
+	info->id = num;
+	info->ops  = &ds278x_ops[id->driver_data];
+	ds278x_power_supply_init(&info->battery);
 
 	ret = power_supply_register(&client->dev, &info->battery);
 	if (ret) {
@@ -297,31 +384,32 @@ fail_id:
 	return ret;
 }
 
-static const struct i2c_device_id ds2782_id[] = {
+static const struct i2c_device_id ds278x_id[] = {
 	{"ds2782", 0},
+	{"ds2786", 1},
 	{},
 };
 
-static struct i2c_driver ds2782_battery_driver = {
+static struct i2c_driver ds278x_battery_driver = {
 	.driver 	= {
 		.name	= "ds2782-battery",
 	},
-	.probe		= ds2782_battery_probe,
-	.remove		= ds2782_battery_remove,
-	.id_table	= ds2782_id,
+	.probe		= ds278x_battery_probe,
+	.remove		= ds278x_battery_remove,
+	.id_table	= ds278x_id,
 };
 
-static int __init ds2782_init(void)
+static int __init ds278x_init(void)
 {
-	return i2c_add_driver(&ds2782_battery_driver);
+	return i2c_add_driver(&ds278x_battery_driver);
 }
-module_init(ds2782_init);
+module_init(ds278x_init);
 
-static void __exit ds2782_exit(void)
+static void __exit ds278x_exit(void)
 {
-	i2c_del_driver(&ds2782_battery_driver);
+	i2c_del_driver(&ds278x_battery_driver);
 }
-module_exit(ds2782_exit);
+module_exit(ds278x_exit);
 
 MODULE_AUTHOR("Ryan Mallon <ryan@bluewatersys.com>");
 MODULE_DESCRIPTION("Maxim/Dallas DS2782 Stand-Alone Fuel Gauage IC driver");
diff --git a/include/linux/ds2782_battery.h b/include/linux/ds2782_battery.h
new file mode 100644
index 00000000000..b4e281f65c1
--- /dev/null
+++ b/include/linux/ds2782_battery.h
@@ -0,0 +1,8 @@
+#ifndef __LINUX_DS2782_BATTERY_H
+#define __LINUX_DS2782_BATTERY_H
+
+struct ds278x_platform_data {
+	int rsns;
+};
+
+#endif

From a1e9ada3e148dc300fdd25705bd3ac024897dc68 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Mon, 26 Apr 2010 22:23:42 +0200
Subject: [PATCH 0578/3638] drm/radeon/kms: R3XX-R4XX fix GPU reset code

Previous reset code leaded to computer hard lockup (need to unplug
the power too reboot the computer) on various configuration. This
patch change the reset code to avoid hard lockup. The GPU reset
is failing most of the time but at least user can log in remotely
or properly shutdown the computer.

Two issues were leading to hard lockup :
- Writting to the scratch register lead to hard lockup most likely
because the write back mecanism is in fuzy state after GPU lockup.
- Resetting the GPU memory controller and not reinitializing it
after leaded to hard lockup. We did only reinitialize in case of
successfull reset thus unsuccessfull reset quickly leaded to hard
lockup.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r300.c         | 8 --------
 drivers/gpu/drm/radeon/radeon_fence.c | 2 +-
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index bb005bff4b0..5d622cb39b3 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -445,14 +445,6 @@ int r300_asic_reset(struct radeon_device *rdev)
 	mdelay(1);
 	status = RREG32(R_000E40_RBBM_STATUS);
 	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
-	/* reset MC */
-	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
-	RREG32(R_0000F0_RBBM_SOFT_RESET);
-	mdelay(500);
-	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
-	mdelay(1);
-	status = RREG32(R_000E40_RBBM_STATUS);
-	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 	/* restore PCI & busmastering */
 	pci_restore_state(rdev->pdev);
 	r100_enable_bm(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 1b8b9cc271f..b1f9a81b5d1 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -237,10 +237,10 @@ retry:
 			 * as signaled for now
 			 */
 			rdev->gpu_lockup = true;
-			WREG32(rdev->fence_drv.scratch_reg, fence->seq);
 			r = radeon_gpu_reset(rdev);
 			if (r)
 				return r;
+			WREG32(rdev->fence_drv.scratch_reg, fence->seq);
 			rdev->gpu_lockup = false;
 		}
 		timeout = RADEON_FENCE_JIFFIES_TIMEOUT;

From 1a3cbbc5a5e8a66934aa0947896a4aca6fd77298 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 7 Apr 2010 18:52:29 +0900
Subject: [PATCH 0579/3638] block: factor out bd_may_claim()

Factor out bd_may_claim() from bd_claim(), add comments and apply a
couple of cosmetic edits.  This is to prepare for further updates to
claim path.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/block_dev.c | 71 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 50 insertions(+), 21 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 2a6d0193f13..e59440c7e1c 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -661,41 +661,70 @@ void bd_forget(struct inode *inode)
 		iput(bdev->bd_inode);
 }
 
+/**
+ * bd_may_claim - test whether a block device can be claimed
+ * @bdev: block device of interest
+ * @whole: whole block device containing @bdev, may equal @bdev
+ * @holder: holder trying to claim @bdev
+ *
+ * Test whther @bdev can be claimed by @holder.
+ *
+ * CONTEXT:
+ * spin_lock(&bdev_lock).
+ *
+ * RETURNS:
+ * %true if @bdev can be claimed, %false otherwise.
+ */
+static bool bd_may_claim(struct block_device *bdev, struct block_device *whole,
+			 void *holder)
+{
+	if (bdev->bd_holder == holder)
+		return true;	 /* already a holder */
+	else if (bdev->bd_holder != NULL)
+		return false; 	 /* held by someone else */
+	else if (bdev->bd_contains == bdev)
+		return true;  	 /* is a whole device which isn't held */
+
+	else if (whole->bd_holder == bd_claim)
+		return true; 	 /* is a partition of a device that is being partitioned */
+	else if (whole->bd_holder != NULL)
+		return false;	 /* is a partition of a held device */
+	else
+		return true;	 /* is a partition of an un-held device */
+}
+
+/**
+ * bd_claim - claim a block device
+ * @bdev: block device to claim
+ * @holder: holder trying to claim @bdev
+ *
+ * Try to claim @bdev.
+ *
+ * RETURNS:
+ * 0 if successful, -EBUSY if @bdev is already claimed.
+ */
 int bd_claim(struct block_device *bdev, void *holder)
 {
-	int res;
+	struct block_device *whole = bdev->bd_contains;
+	int res = -EBUSY;
+
 	spin_lock(&bdev_lock);
 
-	/* first decide result */
-	if (bdev->bd_holder == holder)
-		res = 0;	 /* already a holder */
-	else if (bdev->bd_holder != NULL)
-		res = -EBUSY; 	 /* held by someone else */
-	else if (bdev->bd_contains == bdev)
-		res = 0;  	 /* is a whole device which isn't held */
-
-	else if (bdev->bd_contains->bd_holder == bd_claim)
-		res = 0; 	 /* is a partition of a device that is being partitioned */
-	else if (bdev->bd_contains->bd_holder != NULL)
-		res = -EBUSY;	 /* is a partition of a held device */
-	else
-		res = 0;	 /* is a partition of an un-held device */
-
-	/* now impose change */
-	if (res==0) {
+	if (bd_may_claim(bdev, whole, holder)) {
 		/* note that for a whole device bd_holders
 		 * will be incremented twice, and bd_holder will
 		 * be set to bd_claim before being set to holder
 		 */
-		bdev->bd_contains->bd_holders ++;
-		bdev->bd_contains->bd_holder = bd_claim;
+		whole->bd_holders++;
+		whole->bd_holder = bd_claim;
 		bdev->bd_holders++;
 		bdev->bd_holder = holder;
+		res = 0;
 	}
+
 	spin_unlock(&bdev_lock);
 	return res;
 }
-
 EXPORT_SYMBOL(bd_claim);
 
 void bd_release(struct block_device *bdev)

From 6b4517a7913a09d3259bb1d21c9cb300f12294bd Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 7 Apr 2010 18:53:59 +0900
Subject: [PATCH 0580/3638] block: implement bd_claiming and claiming block

Currently, device claiming for exclusive open is done after low level
open - disk->fops->open() - has completed successfully.  This means
that exclusive open attempts while a device is already exclusively
open will fail only after disk->fops->open() is called.

cdrom driver issues commands during open() which means that O_EXCL
open attempt can unintentionally inject commands to in-progress
command stream for burning thus disturbing burning process.  In most
cases, this doesn't cause problems because the first command to be
issued is TUR which most devices can process in the middle of burning.
However, depending on how a device replies to TUR during burning,
cdrom driver may end up issuing further commands.

This can't be resolved trivially by moving bd_claim() before doing
actual open() because that means an open attempt which will end up
failing could interfere other legit O_EXCL open attempts.
ie. unconfirmed open attempts can fail others.

This patch resolves the problem by introducing claiming block which is
started by bd_start_claiming() and terminated either by bd_claim() or
bd_abort_claiming().  bd_claim() from inside a claiming block is
guaranteed to succeed and once a claiming block is started, other
bd_start_claiming() or bd_claim() attempts block till the current
claiming block is terminated.

bd_claim() can still be used standalone although now it always
synchronizes against claiming blocks, so the existing users will keep
working without any change.

blkdev_open() and open_bdev_exclusive() are converted to use claiming
blocks so that exclusive open attempts from these functions don't
interfere with the existing exclusive open.

This problem was discovered while investigating bko#15403.

  https://bugzilla.kernel.org/show_bug.cgi?id=15403

The burning problem itself can be resolved by updating userspace
probing tools to always open w/ O_EXCL.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Matthias-Christian Ott <ott@mirix.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/block_dev.c     | 198 +++++++++++++++++++++++++++++++++++++++------
 include/linux/fs.h |   1 +
 2 files changed, 175 insertions(+), 24 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index e59440c7e1c..ea8385ea58a 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -693,12 +693,145 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole,
 		return true;	 /* is a partition of an un-held device */
 }
 
+/**
+ * bd_prepare_to_claim - prepare to claim a block device
+ * @bdev: block device of interest
+ * @whole: the whole device containing @bdev, may equal @bdev
+ * @holder: holder trying to claim @bdev
+ *
+ * Prepare to claim @bdev.  This function fails if @bdev is already
+ * claimed by another holder and waits if another claiming is in
+ * progress.  This function doesn't actually claim.  On successful
+ * return, the caller has ownership of bd_claiming and bd_holder[s].
+ *
+ * CONTEXT:
+ * spin_lock(&bdev_lock).  Might release bdev_lock, sleep and regrab
+ * it multiple times.
+ *
+ * RETURNS:
+ * 0 if @bdev can be claimed, -EBUSY otherwise.
+ */
+static int bd_prepare_to_claim(struct block_device *bdev,
+			       struct block_device *whole, void *holder)
+{
+retry:
+	/* if someone else claimed, fail */
+	if (!bd_may_claim(bdev, whole, holder))
+		return -EBUSY;
+
+	/* if someone else is claiming, wait for it to finish */
+	if (whole->bd_claiming && whole->bd_claiming != holder) {
+		wait_queue_head_t *wq = bit_waitqueue(&whole->bd_claiming, 0);
+		DEFINE_WAIT(wait);
+
+		prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE);
+		spin_unlock(&bdev_lock);
+		schedule();
+		finish_wait(wq, &wait);
+		spin_lock(&bdev_lock);
+		goto retry;
+	}
+
+	/* yay, all mine */
+	return 0;
+}
+
+/**
+ * bd_start_claiming - start claiming a block device
+ * @bdev: block device of interest
+ * @holder: holder trying to claim @bdev
+ *
+ * @bdev is about to be opened exclusively.  Check @bdev can be opened
+ * exclusively and mark that an exclusive open is in progress.  Each
+ * successful call to this function must be matched with a call to
+ * either bd_claim() or bd_abort_claiming().  If this function
+ * succeeds, the matching bd_claim() is guaranteed to succeed.
+ *
+ * CONTEXT:
+ * Might sleep.
+ *
+ * RETURNS:
+ * Pointer to the block device containing @bdev on success, ERR_PTR()
+ * value on failure.
+ */
+static struct block_device *bd_start_claiming(struct block_device *bdev,
+					      void *holder)
+{
+	struct gendisk *disk;
+	struct block_device *whole;
+	int partno, err;
+
+	might_sleep();
+
+	/*
+	 * @bdev might not have been initialized properly yet, look up
+	 * and grab the outer block device the hard way.
+	 */
+	disk = get_gendisk(bdev->bd_dev, &partno);
+	if (!disk)
+		return ERR_PTR(-ENXIO);
+
+	whole = bdget_disk(disk, 0);
+	put_disk(disk);
+	if (!whole)
+		return ERR_PTR(-ENOMEM);
+
+	/* prepare to claim, if successful, mark claiming in progress */
+	spin_lock(&bdev_lock);
+
+	err = bd_prepare_to_claim(bdev, whole, holder);
+	if (err == 0) {
+		whole->bd_claiming = holder;
+		spin_unlock(&bdev_lock);
+		return whole;
+	} else {
+		spin_unlock(&bdev_lock);
+		bdput(whole);
+		return ERR_PTR(err);
+	}
+}
+
+/* releases bdev_lock */
+static void __bd_abort_claiming(struct block_device *whole, void *holder)
+{
+	BUG_ON(whole->bd_claiming != holder);
+	whole->bd_claiming = NULL;
+	wake_up_bit(&whole->bd_claiming, 0);
+
+	spin_unlock(&bdev_lock);
+	bdput(whole);
+}
+
+/**
+ * bd_abort_claiming - abort claiming a block device
+ * @whole: whole block device returned by bd_start_claiming()
+ * @holder: holder trying to claim @bdev
+ *
+ * Abort a claiming block started by bd_start_claiming().  Note that
+ * @whole is not the block device to be claimed but the whole device
+ * returned by bd_start_claiming().
+ *
+ * CONTEXT:
+ * Grabs and releases bdev_lock.
+ */
+static void bd_abort_claiming(struct block_device *whole, void *holder)
+{
+	spin_lock(&bdev_lock);
+	__bd_abort_claiming(whole, holder);		/* releases bdev_lock */
+}
+
 /**
  * bd_claim - claim a block device
  * @bdev: block device to claim
  * @holder: holder trying to claim @bdev
  *
- * Try to claim @bdev.
+ * Try to claim @bdev which must have been opened successfully.  This
+ * function may be called with or without preceding
+ * blk_start_claiming().  In the former case, this function is always
+ * successful and terminates the claiming block.
+ *
+ * CONTEXT:
+ * Might sleep.
  *
  * RETURNS:
  * 0 if successful, -EBUSY if @bdev is already claimed.
@@ -706,11 +839,14 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole,
 int bd_claim(struct block_device *bdev, void *holder)
 {
 	struct block_device *whole = bdev->bd_contains;
-	int res = -EBUSY;
+	int res;
+
+	might_sleep();
 
 	spin_lock(&bdev_lock);
 
-	if (bd_may_claim(bdev, whole, holder)) {
+	res = bd_prepare_to_claim(bdev, whole, holder);
+	if (res == 0) {
 		/* note that for a whole device bd_holders
 		 * will be incremented twice, and bd_holder will
 		 * be set to bd_claim before being set to holder
@@ -719,10 +855,13 @@ int bd_claim(struct block_device *bdev, void *holder)
 		whole->bd_holder = bd_claim;
 		bdev->bd_holders++;
 		bdev->bd_holder = holder;
-		res = 0;
 	}
 
-	spin_unlock(&bdev_lock);
+	if (whole->bd_claiming)
+		__bd_abort_claiming(whole, holder);	/* releases bdev_lock */
+	else
+		spin_unlock(&bdev_lock);
+
 	return res;
 }
 EXPORT_SYMBOL(bd_claim);
@@ -1338,6 +1477,7 @@ EXPORT_SYMBOL(blkdev_get);
 
 static int blkdev_open(struct inode * inode, struct file * filp)
 {
+	struct block_device *whole = NULL;
 	struct block_device *bdev;
 	int res;
 
@@ -1360,22 +1500,25 @@ static int blkdev_open(struct inode * inode, struct file * filp)
 	if (bdev == NULL)
 		return -ENOMEM;
 
+	if (filp->f_mode & FMODE_EXCL) {
+		whole = bd_start_claiming(bdev, filp);
+		if (IS_ERR(whole)) {
+			bdput(bdev);
+			return PTR_ERR(whole);
+		}
+	}
+
 	filp->f_mapping = bdev->bd_inode->i_mapping;
 
 	res = blkdev_get(bdev, filp->f_mode);
-	if (res)
-		return res;
 
-	if (filp->f_mode & FMODE_EXCL) {
-		res = bd_claim(bdev, filp);
-		if (res)
-			goto out_blkdev_put;
+	if (whole) {
+		if (res == 0)
+			BUG_ON(bd_claim(bdev, filp) != 0);
+		else
+			bd_abort_claiming(whole, filp);
 	}
 
-	return 0;
-
- out_blkdev_put:
-	blkdev_put(bdev, filp->f_mode);
 	return res;
 }
 
@@ -1586,27 +1729,34 @@ EXPORT_SYMBOL(lookup_bdev);
  */
 struct block_device *open_bdev_exclusive(const char *path, fmode_t mode, void *holder)
 {
-	struct block_device *bdev;
-	int error = 0;
+	struct block_device *bdev, *whole;
+	int error;
 
 	bdev = lookup_bdev(path);
 	if (IS_ERR(bdev))
 		return bdev;
 
+	whole = bd_start_claiming(bdev, holder);
+	if (IS_ERR(whole)) {
+		bdput(bdev);
+		return whole;
+	}
+
 	error = blkdev_get(bdev, mode);
 	if (error)
-		return ERR_PTR(error);
+		goto out_abort_claiming;
+
 	error = -EACCES;
 	if ((mode & FMODE_WRITE) && bdev_read_only(bdev))
-		goto blkdev_put;
-	error = bd_claim(bdev, holder);
-	if (error)
-		goto blkdev_put;
+		goto out_blkdev_put;
 
+	BUG_ON(bd_claim(bdev, holder) != 0);
 	return bdev;
-	
-blkdev_put:
+
+out_blkdev_put:
 	blkdev_put(bdev, mode);
+out_abort_claiming:
+	bd_abort_claiming(whole, holder);
 	return ERR_PTR(error);
 }
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 39d57bc6cc7..31ee31be51e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -651,6 +651,7 @@ struct block_device {
 	int			bd_openers;
 	struct mutex		bd_mutex;	/* open/close mutex */
 	struct list_head	bd_inodes;
+	void *			bd_claiming;
 	void *			bd_holder;
 	int			bd_holders;
 #ifdef CONFIG_SYSFS

From 6a740aa4f47b9f29bad5292cf51f008f3edad9b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Sun, 25 Apr 2010 21:40:03 +0200
Subject: [PATCH 0581/3638] HID: add suspend/resume hooks for hid drivers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add suspend/resume hooks for HID drivers so these can do some
additional state adjustment when device gets suspended/resumed.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/usbhid/hid-core.c | 24 +++++++++++++++++++++++-
 include/linux/hid.h           |  8 ++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 56d06cd8075..14a67fba590 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1290,6 +1290,11 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message)
 		{
 			set_bit(HID_REPORTED_IDLE, &usbhid->iofl);
 			spin_unlock_irq(&usbhid->lock);
+			if (hid->driver && hid->driver->suspend) {
+				status = hid->driver->suspend(hid, message);
+				if (status < 0)
+					return status;
+			}
 		} else {
 			usbhid_mark_busy(usbhid);
 			spin_unlock_irq(&usbhid->lock);
@@ -1297,6 +1302,11 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message)
 		}
 
 	} else {
+		if (hid->driver && hid->driver->suspend) {
+			status = hid->driver->suspend(hid, message);
+			if (status < 0)
+				return status;
+		}
 		spin_lock_irq(&usbhid->lock);
 		set_bit(HID_REPORTED_IDLE, &usbhid->iofl);
 		spin_unlock_irq(&usbhid->lock);
@@ -1351,6 +1361,11 @@ static int hid_resume(struct usb_interface *intf)
 		hid_io_error(hid);
 	usbhid_restart_queues(usbhid);
 
+	if (status >= 0 && hid->driver && hid->driver->resume) {
+		int ret = hid->driver->resume(hid);
+		if (ret < 0)
+			status = ret;
+	}
 	dev_dbg(&intf->dev, "resume status %d\n", status);
 	return 0;
 }
@@ -1359,9 +1374,16 @@ static int hid_reset_resume(struct usb_interface *intf)
 {
 	struct hid_device *hid = usb_get_intfdata(intf);
 	struct usbhid_device *usbhid = hid->driver_data;
+	int status;
 
 	clear_bit(HID_REPORTED_IDLE, &usbhid->iofl);
-	return hid_post_reset(intf);
+	status = hid_post_reset(intf);
+	if (status >= 0 && hid->driver && hid->driver->reset_resume) {
+		int ret = hid->driver->reset_resume(hid);
+		if (ret < 0)
+			status = ret;
+	}
+	return status;
 }
 
 #endif /* CONFIG_PM */
diff --git a/include/linux/hid.h b/include/linux/hid.h
index b1344ec4b7f..069e587ae8e 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -589,6 +589,9 @@ struct hid_usage_id {
  * @report_fixup: called before report descriptor parsing (NULL means nop)
  * @input_mapping: invoked on input registering before mapping an usage
  * @input_mapped: invoked on input registering after mapping an usage
+ * @suspend: invoked on suspend (NULL means nop)
+ * @resume: invoked on resume if device was not reset (NULL means nop)
+ * @reset_resume: invoked on resume if device was reset (NULL means nop)
  *
  * raw_event and event should return 0 on no action performed, 1 when no
  * further processing should be done and negative on error
@@ -629,6 +632,11 @@ struct hid_driver {
 	int (*input_mapped)(struct hid_device *hdev,
 			struct hid_input *hidinput, struct hid_field *field,
 			struct hid_usage *usage, unsigned long **bit, int *max);
+#ifdef CONFIG_PM
+	int (*suspend)(struct hid_device *hdev, pm_message_t message);
+	int (*resume)(struct hid_device *hdev);
+	int (*reset_resume)(struct hid_device *hdev);
+#endif
 /* private: */
 	struct device_driver driver;
 };

From 0b5adf92ec793c665b0de63ac146d190a921c391 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Sun, 25 Apr 2010 21:29:16 +0200
Subject: [PATCH 0582/3638] HID: split picolcd's operation_mode sysfs attribute
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Original operation_mode sysfs attribute accepts the operation mode
as main value with an option delay as second value to change
the start-up delay on mode change.

As it is preferred to have exactly one value per sysfs attribute,
extract this delay into a separate sysfs attribute called
operation_mode_delay.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 .../ABI/testing/sysfs-driver-hid-picolcd      | 17 +++--
 drivers/hid/hid-picolcd.c                     | 62 ++++++++++++++-----
 2 files changed, 58 insertions(+), 21 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-picolcd b/Documentation/ABI/testing/sysfs-driver-hid-picolcd
index 14f52d70621..08579e7e1e8 100644
--- a/Documentation/ABI/testing/sysfs-driver-hid-picolcd
+++ b/Documentation/ABI/testing/sysfs-driver-hid-picolcd
@@ -8,12 +8,21 @@ Description:	Make it possible to switch the PicoLCD device between LCD
 		enclosed in brackets ('[' and ']')
 
 		Writing: causes operation mode switch. Permitted values are
-		the non-active mode names listed when read, optionally followed
-		by a delay value expressed in ms.
+		the non-active mode names listed when read.
 
 		Note: when switching mode the current PicoLCD HID device gets
-		disconnected and reconnects after above delay (default value
-		is 5 seconds though this default should not be relied on).
+		disconnected and reconnects after above delay (see attribute
+		operation_mode_delay for its value).
+
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/operation_mode_delay
+Date:		April 2010
+Contact:	Bruno Prémont <bonbons@linux-vserver.org>
+Description:	Delay PicoLCD waits before restarting in new mode when
+		operation_mode has changed.
+
+		Reading/Writing: It is expressed in ms and permitted range is
+		0..30000ms.
 
 
 What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/fb_update_rate
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 6f71c60bf65..aa6f2e18d4a 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -177,6 +177,7 @@ struct picolcd_data {
 	int addr_sz;
 #endif
 	u8 version[2];
+	unsigned short opmode_delay;
 	/* input stuff */
 	u8 pressed_keys[2];
 	struct input_dev *input_keys;
@@ -1270,8 +1271,7 @@ static ssize_t picolcd_operation_mode_store(struct device *dev,
 	struct picolcd_data *data = dev_get_drvdata(dev);
 	struct hid_report *report = NULL;
 	size_t cnt = count;
-	int timeout = 5000;
-	unsigned u;
+	int timeout = data->opmode_delay;
 	unsigned long flags;
 
 	if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) {
@@ -1288,20 +1288,10 @@ static ssize_t picolcd_operation_mode_store(struct device *dev,
 	if (!report)
 		return -EINVAL;
 
-	while (cnt > 0 && (*buf == ' ' || *buf == '\t')) {
-		buf++;
-		cnt--;
-	}
 	while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r'))
 		cnt--;
-	if (cnt > 0) {
-		if (sscanf(buf, "%u", &u) != 1)
-			return -EINVAL;
-		if (u > 30000)
-			return -EINVAL;
-		else
-			timeout = u;
-	}
+	if (cnt != 0)
+		return -EINVAL;
 
 	spin_lock_irqsave(&data->lock, flags);
 	hid_set_field(report->field[0], 0, timeout & 0xff);
@@ -1314,6 +1304,34 @@ static ssize_t picolcd_operation_mode_store(struct device *dev,
 static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show,
 		picolcd_operation_mode_store);
 
+/*
+ * The "operation_mode_delay" sysfs attribute
+ */
+static ssize_t picolcd_operation_mode_delay_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct picolcd_data *data = dev_get_drvdata(dev);
+
+	return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay);
+}
+
+static ssize_t picolcd_operation_mode_delay_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct picolcd_data *data = dev_get_drvdata(dev);
+	unsigned u;
+	if (sscanf(buf, "%u", &u) != 1)
+		return -EINVAL;
+	if (u > 30000)
+		return -EINVAL;
+	else
+		data->opmode_delay = u;
+	return count;
+}
+
+static DEVICE_ATTR(operation_mode_delay, 0644, picolcd_operation_mode_delay_show,
+		picolcd_operation_mode_delay_store);
+
 
 #ifdef CONFIG_DEBUG_FS
 /*
@@ -2409,6 +2427,7 @@ static int picolcd_probe(struct hid_device *hdev,
 	spin_lock_init(&data->lock);
 	mutex_init(&data->mutex);
 	data->hdev = hdev;
+	data->opmode_delay = 5000;
 	if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER)
 		data->status |= PICOLCD_BOOTLOADER;
 	hid_set_drvdata(hdev, data);
@@ -2436,24 +2455,32 @@ static int picolcd_probe(struct hid_device *hdev,
 		goto err_cleanup_hid_hw;
 	}
 
-	error = device_create_file(&hdev->dev, &dev_attr_operation_mode);
+	error = device_create_file(&hdev->dev, &dev_attr_operation_mode_delay);
 	if (error) {
 		dev_err(&hdev->dev, "failed to create sysfs attributes\n");
 		goto err_cleanup_hid_ll;
 	}
 
+	error = device_create_file(&hdev->dev, &dev_attr_operation_mode);
+	if (error) {
+		dev_err(&hdev->dev, "failed to create sysfs attributes\n");
+		goto err_cleanup_sysfs1;
+	}
+
 	if (data->status & PICOLCD_BOOTLOADER)
 		error = picolcd_probe_bootloader(hdev, data);
 	else
 		error = picolcd_probe_lcd(hdev, data);
 	if (error)
-		goto err_cleanup_sysfs;
+		goto err_cleanup_sysfs2;
 
 	dbg_hid(PICOLCD_NAME " activated and initialized\n");
 	return 0;
 
-err_cleanup_sysfs:
+err_cleanup_sysfs2:
 	device_remove_file(&hdev->dev, &dev_attr_operation_mode);
+err_cleanup_sysfs1:
+	device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay);
 err_cleanup_hid_ll:
 	hdev->ll_driver->close(hdev);
 err_cleanup_hid_hw:
@@ -2478,6 +2505,7 @@ static void picolcd_remove(struct hid_device *hdev)
 
 	picolcd_exit_devfs(data);
 	device_remove_file(&hdev->dev, &dev_attr_operation_mode);
+	device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay);
 	hdev->ll_driver->close(hdev);
 	hid_hw_stop(hdev);
 	hid_set_drvdata(hdev, NULL);

From fbd9b09a177a481eda256447c881f014f29034fe Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 28 Apr 2010 17:55:06 +0400
Subject: [PATCH 0583/3638] blkdev: generalize flags for blkdev_issue_fn
 functions

The patch just convert all blkdev_issue_xxx function to common
set of flags. Wait/allocation semantics preserved.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-barrier.c                | 20 +++++++++++---------
 block/ioctl.c                      |  2 +-
 drivers/block/drbd/drbd_int.h      |  3 ++-
 drivers/block/drbd/drbd_receiver.c |  3 ++-
 fs/block_dev.c                     |  3 ++-
 fs/btrfs/extent-tree.c             |  2 +-
 fs/ext3/fsync.c                    |  3 ++-
 fs/ext4/fsync.c                    |  6 ++++--
 fs/gfs2/rgrp.c                     |  5 +++--
 fs/jbd2/checkpoint.c               |  3 ++-
 fs/jbd2/commit.c                   |  6 ++++--
 fs/reiserfs/file.c                 |  3 ++-
 fs/xfs/linux-2.6/xfs_super.c       |  3 ++-
 include/linux/blkdev.h             | 18 +++++++++++-------
 mm/swapfile.c                      |  9 ++++++---
 15 files changed, 55 insertions(+), 34 deletions(-)

diff --git a/block/blk-barrier.c b/block/blk-barrier.c
index 6d88544b677..cf14311b98f 100644
--- a/block/blk-barrier.c
+++ b/block/blk-barrier.c
@@ -293,19 +293,22 @@ static void bio_end_empty_barrier(struct bio *bio, int err)
 /**
  * blkdev_issue_flush - queue a flush
  * @bdev:	blockdev to issue flush for
+ * @gfp_mask:	memory allocation flags (for bio_alloc)
  * @error_sector:	error sector
+ * @flags:	BLKDEV_IFL_* flags to control behaviour
  *
  * Description:
  *    Issue a flush for the block device in question. Caller can supply
  *    room for storing the error offset in case of a flush error, if they
  *    wish to.
  */
-int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
+int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
+		sector_t *error_sector, unsigned long flags)
 {
 	DECLARE_COMPLETION_ONSTACK(wait);
 	struct request_queue *q;
 	struct bio *bio;
-	int ret;
+	int ret = 0;
 
 	if (bdev->bd_disk == NULL)
 		return -ENXIO;
@@ -314,7 +317,7 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
 	if (!q)
 		return -ENXIO;
 
-	bio = bio_alloc(GFP_KERNEL, 0);
+	bio = bio_alloc(gfp_mask, 0);
 	bio->bi_end_io = bio_end_empty_barrier;
 	bio->bi_private = &wait;
 	bio->bi_bdev = bdev;
@@ -330,7 +333,6 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
 	if (error_sector)
 		*error_sector = bio->bi_sector;
 
-	ret = 0;
 	if (bio_flagged(bio, BIO_EOPNOTSUPP))
 		ret = -EOPNOTSUPP;
 	else if (!bio_flagged(bio, BIO_UPTODATE))
@@ -362,17 +364,17 @@ static void blkdev_discard_end_io(struct bio *bio, int err)
  * @sector:	start sector
  * @nr_sects:	number of sectors to discard
  * @gfp_mask:	memory allocation flags (for bio_alloc)
- * @flags:	DISCARD_FL_* flags to control behaviour
+ * @flags:	BLKDEV_IFL_* flags to control behaviour
  *
  * Description:
  *    Issue a discard request for the sectors in question.
  */
 int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
-		sector_t nr_sects, gfp_t gfp_mask, int flags)
+		sector_t nr_sects, gfp_t gfp_mask, unsigned long flags)
 {
 	DECLARE_COMPLETION_ONSTACK(wait);
 	struct request_queue *q = bdev_get_queue(bdev);
-	int type = flags & DISCARD_FL_BARRIER ?
+	int type = flags & BLKDEV_IFL_BARRIER ?
 		DISCARD_BARRIER : DISCARD_NOBARRIER;
 	struct bio *bio;
 	struct page *page;
@@ -395,7 +397,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
 		bio->bi_sector = sector;
 		bio->bi_end_io = blkdev_discard_end_io;
 		bio->bi_bdev = bdev;
-		if (flags & DISCARD_FL_WAIT)
+		if (flags & BLKDEV_IFL_WAIT)
 			bio->bi_private = &wait;
 
 		/*
@@ -426,7 +428,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
 		bio_get(bio);
 		submit_bio(type, bio);
 
-		if (flags & DISCARD_FL_WAIT)
+		if (flags & BLKDEV_IFL_WAIT)
 			wait_for_completion(&wait);
 
 		if (bio_flagged(bio, BIO_EOPNOTSUPP))
diff --git a/block/ioctl.c b/block/ioctl.c
index 8905d2a2a71..e8eb679f2f9 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -126,7 +126,7 @@ static int blk_ioctl_discard(struct block_device *bdev, uint64_t start,
 	if (start + len > (bdev->bd_inode->i_size >> 9))
 		return -EINVAL;
 	return blkdev_issue_discard(bdev, start, len, GFP_KERNEL,
-				    DISCARD_FL_WAIT);
+				    BLKDEV_IFL_WAIT);
 }
 
 static int put_ushort(unsigned long arg, unsigned short val)
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index e5e86a78182..d6f1ae342b1 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -2251,7 +2251,8 @@ static inline void drbd_md_flush(struct drbd_conf *mdev)
 	if (test_bit(MD_NO_BARRIER, &mdev->flags))
 		return;
 
-	r = blkdev_issue_flush(mdev->ldev->md_bdev, NULL);
+	r = blkdev_issue_flush(mdev->ldev->md_bdev, GFP_KERNEL, NULL,
+			BLKDEV_IFL_WAIT);
 	if (r) {
 		set_bit(MD_NO_BARRIER, &mdev->flags);
 		dev_err(DEV, "meta data flush failed with status %d, disabling md-flushes\n", r);
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index ed9f1de24a7..54f56ea8a78 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -945,7 +945,8 @@ static enum finish_epoch drbd_flush_after_epoch(struct drbd_conf *mdev, struct d
 	int rv;
 
 	if (mdev->write_ordering >= WO_bdev_flush && get_ldev(mdev)) {
-		rv = blkdev_issue_flush(mdev->ldev->backing_bdev, NULL);
+		rv = blkdev_issue_flush(mdev->ldev->backing_bdev, GFP_KERNEL,
+					NULL, BLKDEV_IFL_WAIT);
 		if (rv) {
 			dev_err(DEV, "local disk flush failed with status %d\n", rv);
 			/* would rather check on EOPNOTSUPP, but that is not reliable.
diff --git a/fs/block_dev.c b/fs/block_dev.c
index ea8385ea58a..dd769304382 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -413,7 +413,8 @@ int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync)
 	if (error)
 		return error;
 	
-	error = blkdev_issue_flush(bdev, NULL);
+	error = blkdev_issue_flush(bdev, GFP_KERNEL, NULL,
+				(BLKDEV_IFL_WAIT));
 	if (error == -EOPNOTSUPP)
 		error = 0;
 	return error;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b34d32fdaae..c6a4f459ad7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1589,7 +1589,7 @@ static void btrfs_issue_discard(struct block_device *bdev,
 				u64 start, u64 len)
 {
 	blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_KERNEL,
-			     DISCARD_FL_BARRIER);
+			BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
 }
 
 static int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index 8209f266e9a..9492f6003ef 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -91,7 +91,8 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
 	 * storage
 	 */
 	if (test_opt(inode->i_sb, BARRIER))
-		blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
+		blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL,
+				BLKDEV_IFL_WAIT);
 out:
 	return ret;
 }
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 0d0c3239c1c..ef3d980e67c 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -100,9 +100,11 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
 		if (ext4_should_writeback_data(inode) &&
 		    (journal->j_fs_dev != journal->j_dev) &&
 		    (journal->j_flags & JBD2_BARRIER))
-			blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
+			blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL,
+					NULL, BLKDEV_IFL_WAIT);
 		jbd2_log_wait_commit(journal, commit_tid);
 	} else if (journal->j_flags & JBD2_BARRIER)
-		blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
+		blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL,
+			BLKDEV_IFL_WAIT);
 	return ret;
 }
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 503b842f3ba..bf011dc6347 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -854,7 +854,8 @@ static void gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
 				if ((start + nr_sects) != blk) {
 					rv = blkdev_issue_discard(bdev, start,
 							    nr_sects, GFP_NOFS,
-							    DISCARD_FL_BARRIER);
+							    BLKDEV_IFL_WAIT |
+							    BLKDEV_IFL_BARRIER);
 					if (rv)
 						goto fail;
 					nr_sects = 0;
@@ -869,7 +870,7 @@ start_new_extent:
 	}
 	if (nr_sects) {
 		rv = blkdev_issue_discard(bdev, start, nr_sects, GFP_NOFS,
-					 DISCARD_FL_BARRIER);
+					 BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
 		if (rv)
 			goto fail;
 	}
diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 30beb11ef92..076d1cc44f9 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -530,7 +530,8 @@ int jbd2_cleanup_journal_tail(journal_t *journal)
 	 */
 	if ((journal->j_fs_dev != journal->j_dev) &&
 	    (journal->j_flags & JBD2_BARRIER))
-		blkdev_issue_flush(journal->j_fs_dev, NULL);
+		blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL,
+			BLKDEV_IFL_WAIT);
 	if (!(journal->j_flags & JBD2_ABORT))
 		jbd2_journal_update_superblock(journal, 1);
 	return 0;
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 671da7fb7ff..75716d3d2be 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -717,7 +717,8 @@ start_journal_io:
 	if (commit_transaction->t_flushed_data_blocks &&
 	    (journal->j_fs_dev != journal->j_dev) &&
 	    (journal->j_flags & JBD2_BARRIER))
-		blkdev_issue_flush(journal->j_fs_dev, NULL);
+		blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL,
+			BLKDEV_IFL_WAIT);
 
 	/* Done it all: now write the commit record asynchronously. */
 	if (JBD2_HAS_INCOMPAT_FEATURE(journal,
@@ -727,7 +728,8 @@ start_journal_io:
 		if (err)
 			__jbd2_journal_abort_hard(journal);
 		if (journal->j_flags & JBD2_BARRIER)
-			blkdev_issue_flush(journal->j_dev, NULL);
+			blkdev_issue_flush(journal->j_dev, GFP_KERNEL, NULL,
+				BLKDEV_IFL_WAIT);
 	}
 
 	err = journal_finish_inode_data_buffers(journal, commit_transaction);
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 1d9c12714c5..9977df9f3a5 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -147,7 +147,8 @@ static int reiserfs_sync_file(struct file *filp,
 	barrier_done = reiserfs_commit_for_inode(inode);
 	reiserfs_write_unlock(inode->i_sb);
 	if (barrier_done != 1 && reiserfs_barrier_flush(inode->i_sb))
-		blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
+		blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL, 
+			BLKDEV_IFL_WAIT);
 	if (barrier_done < 0)
 		return barrier_done;
 	return (err < 0) ? -EIO : 0;
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 52e06b487ce..2b177c778ba 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -725,7 +725,8 @@ void
 xfs_blkdev_issue_flush(
 	xfs_buftarg_t		*buftarg)
 {
-	blkdev_issue_flush(buftarg->bt_bdev, NULL);
+	blkdev_issue_flush(buftarg->bt_bdev, GFP_KERNEL, NULL,
+			BLKDEV_IFL_WAIT);
 }
 
 STATIC void
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5cf17a49ce3..59b9aed0ee7 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -998,12 +998,16 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt,
 		return NULL;
 	return bqt->tag_index[tag];
 }
-
-extern int blkdev_issue_flush(struct block_device *, sector_t *);
-#define DISCARD_FL_WAIT		0x01	/* wait for completion */
-#define DISCARD_FL_BARRIER	0x02	/* issue DISCARD_BARRIER request */
-extern int blkdev_issue_discard(struct block_device *, sector_t sector,
-		sector_t nr_sects, gfp_t, int flags);
+enum{
+	BLKDEV_WAIT,	/* wait for completion */
+	BLKDEV_BARRIER,	/*issue request with barrier */
+};
+#define BLKDEV_IFL_WAIT		(1 << BLKDEV_WAIT)
+#define BLKDEV_IFL_BARRIER	(1 << BLKDEV_BARRIER)
+extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *,
+			unsigned long);
+extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
+		sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
 
 static inline int sb_issue_discard(struct super_block *sb,
 				   sector_t block, sector_t nr_blocks)
@@ -1011,7 +1015,7 @@ static inline int sb_issue_discard(struct super_block *sb,
 	block <<= (sb->s_blocksize_bits - 9);
 	nr_blocks <<= (sb->s_blocksize_bits - 9);
 	return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL,
-				    DISCARD_FL_BARRIER);
+				   BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
 }
 
 extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6cd0a8f90dc..eb086e0f4dc 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -139,7 +139,8 @@ static int discard_swap(struct swap_info_struct *si)
 	nr_blocks = ((sector_t)se->nr_pages - 1) << (PAGE_SHIFT - 9);
 	if (nr_blocks) {
 		err = blkdev_issue_discard(si->bdev, start_block,
-				nr_blocks, GFP_KERNEL, DISCARD_FL_BARRIER);
+				nr_blocks, GFP_KERNEL,
+				BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
 		if (err)
 			return err;
 		cond_resched();
@@ -150,7 +151,8 @@ static int discard_swap(struct swap_info_struct *si)
 		nr_blocks = (sector_t)se->nr_pages << (PAGE_SHIFT - 9);
 
 		err = blkdev_issue_discard(si->bdev, start_block,
-				nr_blocks, GFP_KERNEL, DISCARD_FL_BARRIER);
+				nr_blocks, GFP_KERNEL,
+				BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
 		if (err)
 			break;
 
@@ -189,7 +191,8 @@ static void discard_swap_cluster(struct swap_info_struct *si,
 			start_block <<= PAGE_SHIFT - 9;
 			nr_blocks <<= PAGE_SHIFT - 9;
 			if (blkdev_issue_discard(si->bdev, start_block,
-				    nr_blocks, GFP_NOIO, DISCARD_FL_BARRIER))
+				    nr_blocks, GFP_NOIO, BLKDEV_IFL_WAIT |
+							BLKDEV_IFL_BARRIER))
 				break;
 		}
 

From f17e232e9237c231daf9f0f4b177c61218bcb2e4 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 28 Apr 2010 17:55:07 +0400
Subject: [PATCH 0584/3638] blkdev: allow async blkdev_issue_flush requests

In some places caller don't want to wait a request to complete.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-barrier.c | 33 +++++++++++++++++++--------------
 1 file changed, 19 insertions(+), 14 deletions(-)

diff --git a/block/blk-barrier.c b/block/blk-barrier.c
index cf14311b98f..f11eec9669e 100644
--- a/block/blk-barrier.c
+++ b/block/blk-barrier.c
@@ -286,8 +286,9 @@ static void bio_end_empty_barrier(struct bio *bio, int err)
 			set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
 		clear_bit(BIO_UPTODATE, &bio->bi_flags);
 	}
-
-	complete(bio->bi_private);
+	if (bio->bi_private)
+		complete(bio->bi_private);
+	bio_put(bio);
 }
 
 /**
@@ -300,7 +301,8 @@ static void bio_end_empty_barrier(struct bio *bio, int err)
  * Description:
  *    Issue a flush for the block device in question. Caller can supply
  *    room for storing the error offset in case of a flush error, if they
- *    wish to.
+ *    wish to. If WAIT flag is not passed then caller may check only what
+ *    request was pushed in some internal queue for later handling.
  */
 int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
 		sector_t *error_sector, unsigned long flags)
@@ -319,19 +321,22 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
 
 	bio = bio_alloc(gfp_mask, 0);
 	bio->bi_end_io = bio_end_empty_barrier;
-	bio->bi_private = &wait;
 	bio->bi_bdev = bdev;
+	if (test_bit(BLKDEV_WAIT, &flags))
+		bio->bi_private = &wait;
+
+	bio_get(bio);
 	submit_bio(WRITE_BARRIER, bio);
-
-	wait_for_completion(&wait);
-
-	/*
-	 * The driver must store the error location in ->bi_sector, if
-	 * it supports it. For non-stacked drivers, this should be copied
-	 * from blk_rq_pos(rq).
-	 */
-	if (error_sector)
-		*error_sector = bio->bi_sector;
+	if (test_bit(BLKDEV_WAIT, &flags)) {
+		wait_for_completion(&wait);
+		/*
+		 * The driver must store the error location in ->bi_sector, if
+		 * it supports it. For non-stacked drivers, this should be
+		 * copied from blk_rq_pos(rq).
+		 */
+		if (error_sector)
+			*error_sector = bio->bi_sector;
+	}
 
 	if (bio_flagged(bio, BIO_EOPNOTSUPP))
 		ret = -EOPNOTSUPP;

From f31e7e4022841c43c53b847b86b1bf97a08b2c94 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 28 Apr 2010 17:55:08 +0400
Subject: [PATCH 0585/3638] blkdev: move blkdev_issue helper functions to
 separate file

Move blkdev_issue_discard from blk-barrier.c because it is
not barrier related.
Later the file will be populated by other helpers.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/Makefile      |   2 +-
 block/blk-barrier.c | 104 ----------------------------------------
 block/blk-lib.c     | 114 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 115 insertions(+), 105 deletions(-)
 create mode 100644 block/blk-lib.c

diff --git a/block/Makefile b/block/Makefile
index cb2d515ebd6..0bb499a739c 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -5,7 +5,7 @@
 obj-$(CONFIG_BLOCK) := elevator.o blk-core.o blk-tag.o blk-sysfs.o \
 			blk-barrier.o blk-settings.o blk-ioc.o blk-map.o \
 			blk-exec.o blk-merge.o blk-softirq.o blk-timeout.o \
-			blk-iopoll.o ioctl.o genhd.o scsi_ioctl.o
+			blk-iopoll.o blk-lib.o ioctl.o genhd.o scsi_ioctl.o
 
 obj-$(CONFIG_BLK_DEV_BSG)	+= bsg.o
 obj-$(CONFIG_BLK_CGROUP)	+= blk-cgroup.o
diff --git a/block/blk-barrier.c b/block/blk-barrier.c
index f11eec9669e..0d710c9d403 100644
--- a/block/blk-barrier.c
+++ b/block/blk-barrier.c
@@ -347,107 +347,3 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
 	return ret;
 }
 EXPORT_SYMBOL(blkdev_issue_flush);
-
-static void blkdev_discard_end_io(struct bio *bio, int err)
-{
-	if (err) {
-		if (err == -EOPNOTSUPP)
-			set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
-		clear_bit(BIO_UPTODATE, &bio->bi_flags);
-	}
-
-	if (bio->bi_private)
-		complete(bio->bi_private);
-	__free_page(bio_page(bio));
-
-	bio_put(bio);
-}
-
-/**
- * blkdev_issue_discard - queue a discard
- * @bdev:	blockdev to issue discard for
- * @sector:	start sector
- * @nr_sects:	number of sectors to discard
- * @gfp_mask:	memory allocation flags (for bio_alloc)
- * @flags:	BLKDEV_IFL_* flags to control behaviour
- *
- * Description:
- *    Issue a discard request for the sectors in question.
- */
-int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
-		sector_t nr_sects, gfp_t gfp_mask, unsigned long flags)
-{
-	DECLARE_COMPLETION_ONSTACK(wait);
-	struct request_queue *q = bdev_get_queue(bdev);
-	int type = flags & BLKDEV_IFL_BARRIER ?
-		DISCARD_BARRIER : DISCARD_NOBARRIER;
-	struct bio *bio;
-	struct page *page;
-	int ret = 0;
-
-	if (!q)
-		return -ENXIO;
-
-	if (!blk_queue_discard(q))
-		return -EOPNOTSUPP;
-
-	while (nr_sects && !ret) {
-		unsigned int sector_size = q->limits.logical_block_size;
-		unsigned int max_discard_sectors =
-			min(q->limits.max_discard_sectors, UINT_MAX >> 9);
-
-		bio = bio_alloc(gfp_mask, 1);
-		if (!bio)
-			goto out;
-		bio->bi_sector = sector;
-		bio->bi_end_io = blkdev_discard_end_io;
-		bio->bi_bdev = bdev;
-		if (flags & BLKDEV_IFL_WAIT)
-			bio->bi_private = &wait;
-
-		/*
-		 * Add a zeroed one-sector payload as that's what
-		 * our current implementations need.  If we'll ever need
-		 * more the interface will need revisiting.
-		 */
-		page = alloc_page(gfp_mask | __GFP_ZERO);
-		if (!page)
-			goto out_free_bio;
-		if (bio_add_pc_page(q, bio, page, sector_size, 0) < sector_size)
-			goto out_free_page;
-
-		/*
-		 * And override the bio size - the way discard works we
-		 * touch many more blocks on disk than the actual payload
-		 * length.
-		 */
-		if (nr_sects > max_discard_sectors) {
-			bio->bi_size = max_discard_sectors << 9;
-			nr_sects -= max_discard_sectors;
-			sector += max_discard_sectors;
-		} else {
-			bio->bi_size = nr_sects << 9;
-			nr_sects = 0;
-		}
-
-		bio_get(bio);
-		submit_bio(type, bio);
-
-		if (flags & BLKDEV_IFL_WAIT)
-			wait_for_completion(&wait);
-
-		if (bio_flagged(bio, BIO_EOPNOTSUPP))
-			ret = -EOPNOTSUPP;
-		else if (!bio_flagged(bio, BIO_UPTODATE))
-			ret = -EIO;
-		bio_put(bio);
-	}
-	return ret;
-out_free_page:
-	__free_page(page);
-out_free_bio:
-	bio_put(bio);
-out:
-	return -ENOMEM;
-}
-EXPORT_SYMBOL(blkdev_issue_discard);
diff --git a/block/blk-lib.c b/block/blk-lib.c
new file mode 100644
index 00000000000..0dc438812d8
--- /dev/null
+++ b/block/blk-lib.c
@@ -0,0 +1,114 @@
+/*
+ * Functions related to generic helpers functions
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/bio.h>
+#include <linux/blkdev.h>
+#include <linux/scatterlist.h>
+
+#include "blk.h"
+
+static void blkdev_discard_end_io(struct bio *bio, int err)
+{
+	if (err) {
+		if (err == -EOPNOTSUPP)
+			set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
+		clear_bit(BIO_UPTODATE, &bio->bi_flags);
+	}
+
+	if (bio->bi_private)
+		complete(bio->bi_private);
+	__free_page(bio_page(bio));
+
+	bio_put(bio);
+}
+
+/**
+ * blkdev_issue_discard - queue a discard
+ * @bdev:	blockdev to issue discard for
+ * @sector:	start sector
+ * @nr_sects:	number of sectors to discard
+ * @gfp_mask:	memory allocation flags (for bio_alloc)
+ * @flags:	BLKDEV_IFL_* flags to control behaviour
+ *
+ * Description:
+ *    Issue a discard request for the sectors in question.
+ */
+int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
+		sector_t nr_sects, gfp_t gfp_mask, unsigned long flags)
+{
+	DECLARE_COMPLETION_ONSTACK(wait);
+	struct request_queue *q = bdev_get_queue(bdev);
+	int type = flags & BLKDEV_IFL_BARRIER ?
+		DISCARD_BARRIER : DISCARD_NOBARRIER;
+	struct bio *bio;
+	struct page *page;
+	int ret = 0;
+
+	if (!q)
+		return -ENXIO;
+
+	if (!blk_queue_discard(q))
+		return -EOPNOTSUPP;
+
+	while (nr_sects && !ret) {
+		unsigned int sector_size = q->limits.logical_block_size;
+		unsigned int max_discard_sectors =
+			min(q->limits.max_discard_sectors, UINT_MAX >> 9);
+
+		bio = bio_alloc(gfp_mask, 1);
+		if (!bio)
+			goto out;
+		bio->bi_sector = sector;
+		bio->bi_end_io = blkdev_discard_end_io;
+		bio->bi_bdev = bdev;
+		if (flags & BLKDEV_IFL_WAIT)
+			bio->bi_private = &wait;
+
+		/*
+		 * Add a zeroed one-sector payload as that's what
+		 * our current implementations need.  If we'll ever need
+		 * more the interface will need revisiting.
+		 */
+		page = alloc_page(gfp_mask | __GFP_ZERO);
+		if (!page)
+			goto out_free_bio;
+		if (bio_add_pc_page(q, bio, page, sector_size, 0) < sector_size)
+			goto out_free_page;
+
+		/*
+		 * And override the bio size - the way discard works we
+		 * touch many more blocks on disk than the actual payload
+		 * length.
+		 */
+		if (nr_sects > max_discard_sectors) {
+			bio->bi_size = max_discard_sectors << 9;
+			nr_sects -= max_discard_sectors;
+			sector += max_discard_sectors;
+		} else {
+			bio->bi_size = nr_sects << 9;
+			nr_sects = 0;
+		}
+
+		bio_get(bio);
+		submit_bio(type, bio);
+
+		if (flags & BLKDEV_IFL_WAIT)
+			wait_for_completion(&wait);
+
+		if (bio_flagged(bio, BIO_EOPNOTSUPP))
+			ret = -EOPNOTSUPP;
+		else if (!bio_flagged(bio, BIO_UPTODATE))
+			ret = -EIO;
+		bio_put(bio);
+	}
+	return ret;
+out_free_page:
+	__free_page(page);
+out_free_bio:
+	bio_put(bio);
+out:
+	return -ENOMEM;
+}
+EXPORT_SYMBOL(blkdev_issue_discard);

From 3f14d792f9a8fede64ce918dbb517f934497a4f8 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 28 Apr 2010 17:55:09 +0400
Subject: [PATCH 0586/3638] blkdev: add blkdev_issue_zeroout helper function

- Add bio_batch helper primitive. This is rather generic primitive
  for submitting/waiting a complex request which consists of several
  bios.
- blkdev_issue_zeroout() generate number of zero filed write bios.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-lib.c        | 118 +++++++++++++++++++++++++++++++++++++++++
 include/linux/blkdev.h |   3 +-
 2 files changed, 120 insertions(+), 1 deletion(-)

diff --git a/block/blk-lib.c b/block/blk-lib.c
index 0dc438812d8..886c3f9e1be 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -112,3 +112,121 @@ out:
 	return -ENOMEM;
 }
 EXPORT_SYMBOL(blkdev_issue_discard);
+
+struct bio_batch
+{
+	atomic_t 		done;
+	unsigned long 		flags;
+	struct completion 	*wait;
+	bio_end_io_t		*end_io;
+};
+
+static void bio_batch_end_io(struct bio *bio, int err)
+{
+	struct bio_batch *bb = bio->bi_private;
+	if (err) {
+		if (err == -EOPNOTSUPP)
+			set_bit(BIO_EOPNOTSUPP, &bb->flags);
+		else
+			clear_bit(BIO_UPTODATE, &bb->flags);
+	}
+	if (bb) {
+		if (bb->end_io)
+			bb->end_io(bio, err);
+		atomic_inc(&bb->done);
+		complete(bb->wait);
+	}
+	bio_put(bio);
+}
+
+/**
+ * blkdev_issue_zeroout generate number of zero filed write bios
+ * @bdev:	blockdev to issue
+ * @sector:	start sector
+ * @nr_sects:	number of sectors to write
+ * @gfp_mask:	memory allocation flags (for bio_alloc)
+ * @flags:	BLKDEV_IFL_* flags to control behaviour
+ *
+ * Description:
+ *  Generate and issue number of bios with zerofiled pages.
+ *  Send barrier at the beginning and at the end if requested. This guarantie
+ *  correct request ordering. Empty barrier allow us to avoid post queue flush.
+ */
+
+int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
+			sector_t nr_sects, gfp_t gfp_mask, unsigned long flags)
+{
+	int ret = 0;
+	struct bio *bio;
+	struct bio_batch bb;
+	unsigned int sz, issued = 0;
+	DECLARE_COMPLETION_ONSTACK(wait);
+
+	atomic_set(&bb.done, 0);
+	bb.flags = 1 << BIO_UPTODATE;
+	bb.wait = &wait;
+	bb.end_io = NULL;
+
+	if (flags & BLKDEV_IFL_BARRIER) {
+		/* issue async barrier before the data */
+		ret = blkdev_issue_flush(bdev, gfp_mask, NULL, 0);
+		if (ret)
+			return ret;
+	}
+submit:
+	while (nr_sects != 0) {
+		bio = bio_alloc(gfp_mask,
+				min(nr_sects, (sector_t)BIO_MAX_PAGES));
+		if (!bio)
+			break;
+
+		bio->bi_sector = sector;
+		bio->bi_bdev   = bdev;
+		bio->bi_end_io = bio_batch_end_io;
+		if (flags & BLKDEV_IFL_WAIT)
+			bio->bi_private = &bb;
+
+		while(nr_sects != 0) {
+			sz = min(PAGE_SIZE >> 9 , nr_sects);
+			if (sz == 0)
+				/* bio has maximum size possible */
+				break;
+			ret = bio_add_page(bio, ZERO_PAGE(0), sz << 9, 0);
+			nr_sects -= ret >> 9;
+			sector += ret >> 9;
+			if (ret < (sz << 9))
+				break;
+		}
+		issued++;
+		submit_bio(WRITE, bio);
+	}
+	/*
+	 * When all data bios are in flight. Send final barrier if requeted.
+	 */
+	if (nr_sects == 0 && flags & BLKDEV_IFL_BARRIER)
+		ret = blkdev_issue_flush(bdev, gfp_mask, NULL,
+					flags & BLKDEV_IFL_WAIT);
+
+
+	if (flags & BLKDEV_IFL_WAIT)
+		/* Wait for bios in-flight */
+		while ( issued != atomic_read(&bb.done))
+			wait_for_completion(&wait);
+
+	if (!test_bit(BIO_UPTODATE, &bb.flags))
+		/* One of bios in the batch was completed with error.*/
+		ret = -EIO;
+
+	if (ret)
+		goto out;
+
+	if (test_bit(BIO_EOPNOTSUPP, &bb.flags)) {
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
+	if (nr_sects != 0)
+		goto submit;
+out:
+	return ret;
+}
+EXPORT_SYMBOL(blkdev_issue_zeroout);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 59b9aed0ee7..3ac2bd2fc48 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1008,7 +1008,8 @@ extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *,
 			unsigned long);
 extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
 		sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
-
+extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
+			sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
 static inline int sb_issue_discard(struct super_block *sb,
 				   sector_t block, sector_t nr_blocks)
 {

From 50eaeb323a170e231263ccb433bb2f99bd9e27ac Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 28 Apr 2010 19:50:33 +0200
Subject: [PATCH 0587/3638] cfq-iosched: fix broken cfq_ref_get_cfqf() for
 CONFIG_BLK_CGROUP=y && CFQ_GROUP_IOSCHED=n

We should return the cfq_group for this case, not NULL.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/cfq-iosched.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 286008cf889..0f3eb70f9ce 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1094,7 +1094,7 @@ static struct cfq_group *cfq_get_cfqg(struct cfq_data *cfqd, int create)
 
 static inline struct cfq_group *cfq_ref_get_cfqg(struct cfq_group *cfqg)
 {
-	return NULL;
+	return cfqg;
 }
 
 static inline void

From da6df07794d92cd159e28e2cb1947d8b33913e2f Mon Sep 17 00:00:00 2001
From: Daniel Walker <dwalker@codeaurora.org>
Date: Fri, 23 Apr 2010 16:04:20 -0700
Subject: [PATCH 0588/3638] drivers: video: msm: add include msm_mdp.h

Needed to get the driver to compile ;(

Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
 include/linux/msm_mdp.h | 78 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 include/linux/msm_mdp.h

diff --git a/include/linux/msm_mdp.h b/include/linux/msm_mdp.h
new file mode 100644
index 00000000000..d11fe0f2f95
--- /dev/null
+++ b/include/linux/msm_mdp.h
@@ -0,0 +1,78 @@
+/* include/linux/msm_mdp.h
+ *
+ * Copyright (C) 2007 Google Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#ifndef _MSM_MDP_H_
+#define _MSM_MDP_H_
+
+#include <linux/types.h>
+
+#define MSMFB_IOCTL_MAGIC 'm'
+#define MSMFB_GRP_DISP          _IOW(MSMFB_IOCTL_MAGIC, 1, unsigned int)
+#define MSMFB_BLIT              _IOW(MSMFB_IOCTL_MAGIC, 2, unsigned int)
+
+enum {
+	MDP_RGB_565,		/* RGB 565 planar */
+	MDP_XRGB_8888,		/* RGB 888 padded */
+	MDP_Y_CBCR_H2V2,	/* Y and CbCr, pseudo planar w/ Cb is in MSB */
+	MDP_ARGB_8888,		/* ARGB 888 */
+	MDP_RGB_888,		/* RGB 888 planar */
+	MDP_Y_CRCB_H2V2,	/* Y and CrCb, pseudo planar w/ Cr is in MSB */
+	MDP_YCRYCB_H2V1,	/* YCrYCb interleave */
+	MDP_Y_CRCB_H2V1,	/* Y and CrCb, pseduo planar w/ Cr is in MSB */
+	MDP_Y_CBCR_H2V1,	/* Y and CrCb, pseduo planar w/ Cr is in MSB */
+	MDP_RGBA_8888,		/* ARGB 888 */
+	MDP_BGRA_8888,		/* ABGR 888 */
+	MDP_IMGTYPE_LIMIT	/* Non valid image type after this enum */
+};
+
+enum {
+	PMEM_IMG,
+	FB_IMG,
+};
+
+/* flag values */
+#define MDP_ROT_NOP	0
+#define MDP_FLIP_LR	0x1
+#define MDP_FLIP_UD	0x2
+#define MDP_ROT_90	0x4
+#define MDP_ROT_180	(MDP_FLIP_UD|MDP_FLIP_LR)
+#define MDP_ROT_270	(MDP_ROT_90|MDP_FLIP_UD|MDP_FLIP_LR)
+#define MDP_DITHER	0x8
+#define MDP_BLUR	0x10
+
+#define MDP_TRANSP_NOP	0xffffffff
+#define MDP_ALPHA_NOP	0xff
+
+struct mdp_rect {
+	u32 x, y, w, h;
+};
+
+struct mdp_img {
+	u32 width, height, format, offset;
+	int memory_id;		/* the file descriptor */
+};
+
+struct mdp_blit_req {
+	struct mdp_img src;
+	struct mdp_img dst;
+	struct mdp_rect src_rect;
+	struct mdp_rect dst_rect;
+	u32 alpha, transp_mask, flags;
+};
+
+struct mdp_blit_req_list {
+	u32 count;
+	struct mdp_blit_req req[];
+};
+
+#endif /* _MSM_MDP_H_ */

From bf280628fca93c4c341587ec914863dcc395af72 Mon Sep 17 00:00:00 2001
From: Wayne Thomas <waynethomas69@gmail.com>
Date: Thu, 29 Apr 2010 00:45:01 +0200
Subject: [PATCH 0589/3638] HID: add support for BTC Emprex 3009URF III Vista
 MCE Remote

The Behavior Tech. Computer Corp. (BTC) remote branded as "Emprex 3009URF III
Vista Remote Controller" uses non-standard mappings for all of its 'special
purpose' keys (0xffbc usage page).  This patch modifies the existing
hid-topseed quirky driver to support both remotes in order to prevent
proliferation of in-kernel quirky drivers until such a time that udev remapping
works with these devices.  Tested successfully with both the "Emprex" remote
and the "CyberLink" remote originally supported by the hid-topseed driver.

Signed-off-by: Wayne Thomas <waynethomas69@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig       |  2 +-
 drivers/hid/hid-core.c    |  1 +
 drivers/hid/hid-ids.h     |  3 +++
 drivers/hid/hid-topseed.c | 38 ++++++++++++++++++++++++--------------
 4 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 8e1b505b5bf..631ede69c01 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -332,7 +332,7 @@ config HID_TOPSEED
 	depends on USB_HID
 	default !EMBEDDED
 	---help---
-	Say Y if you have a TopSeed Cyberlink remote control.
+	Say Y if you have a TopSeed Cyberlink or BTC Emprex remote control.
 
 config HID_THRUSTMASTER
 	tristate "ThrustMaster devices support" if EMBEDDED
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 34429d7d89a..b9f99f9c4b2 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1294,6 +1294,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 0786bbdafb4..9791d0a8d16 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -124,6 +124,9 @@
 #define USB_VENDOR_ID_BERKSHIRE		0x0c98
 #define USB_DEVICE_ID_BERKSHIRE_PCWD	0x1140
 
+#define USB_VENDOR_ID_BTC		0x046e
+#define USB_DEVICE_ID_BTC_EMPREX_REMOTE	0x5578
+
 #define USB_VENDOR_ID_CH		0x068e
 #define USB_DEVICE_ID_CH_PRO_PEDALS	0x00f2
 #define USB_DEVICE_ID_CH_COMBATSTICK	0x00f4
diff --git a/drivers/hid/hid-topseed.c b/drivers/hid/hid-topseed.c
index 6925eda1081..2eebdcc57bc 100644
--- a/drivers/hid/hid-topseed.c
+++ b/drivers/hid/hid-topseed.c
@@ -3,6 +3,9 @@
  *
  *  Copyright (c) 2008 Lev Babiev
  *  based on hid-cherry driver
+ *
+ *  Modified to also support BTC "Emprex 3009URF III Vista MCE Remote" by
+ *  Wayne Thomas 2010.
  */
 
 /*
@@ -24,23 +27,29 @@ static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 		struct hid_field *field, struct hid_usage *usage,
 		unsigned long **bit, int *max)
 {
-	if ((usage->hid & HID_USAGE_PAGE) != 0x0ffbc0000)
+	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
 		return 0;
 
 	switch (usage->hid & HID_USAGE) {
-        case 0x00d: ts_map_key_clear(KEY_HOME);           break;
-        case 0x024: ts_map_key_clear(KEY_MENU);           break;
-        case 0x025: ts_map_key_clear(KEY_TV);             break;
-        case 0x048: ts_map_key_clear(KEY_RED);            break;
-        case 0x047: ts_map_key_clear(KEY_GREEN);          break;
-        case 0x049: ts_map_key_clear(KEY_YELLOW);         break;
-        case 0x04a: ts_map_key_clear(KEY_BLUE);           break;
-        case 0x04b: ts_map_key_clear(KEY_ANGLE);          break;
-        case 0x04c: ts_map_key_clear(KEY_LANGUAGE);       break;
-        case 0x04d: ts_map_key_clear(KEY_SUBTITLE);       break;
-        case 0x031: ts_map_key_clear(KEY_AUDIO);          break;
-        case 0x032: ts_map_key_clear(KEY_TEXT);           break;
-        case 0x033: ts_map_key_clear(KEY_CHANNEL);        break;
+	case 0x00d: ts_map_key_clear(KEY_MEDIA);	break;
+	case 0x024: ts_map_key_clear(KEY_MENU);		break;
+	case 0x025: ts_map_key_clear(KEY_TV);		break;
+	case 0x031: ts_map_key_clear(KEY_AUDIO);	break;
+	case 0x032: ts_map_key_clear(KEY_TEXT);		break;
+	case 0x033: ts_map_key_clear(KEY_CHANNEL);	break;
+	case 0x047: ts_map_key_clear(KEY_MP3);		break;
+	case 0x048: ts_map_key_clear(KEY_TV2);		break;
+	case 0x049: ts_map_key_clear(KEY_CAMERA);	break;
+	case 0x04a: ts_map_key_clear(KEY_VIDEO);	break;
+	case 0x04b: ts_map_key_clear(KEY_ANGLE);	break;
+	case 0x04c: ts_map_key_clear(KEY_LANGUAGE);	break;
+	case 0x04d: ts_map_key_clear(KEY_SUBTITLE);	break;
+	case 0x050: ts_map_key_clear(KEY_RADIO);	break;
+	case 0x05a: ts_map_key_clear(KEY_TEXT);		break;
+	case 0x05b: ts_map_key_clear(KEY_RED);		break;
+	case 0x05c: ts_map_key_clear(KEY_GREEN);	break;
+	case 0x05d: ts_map_key_clear(KEY_YELLOW);	break;
+	case 0x05e: ts_map_key_clear(KEY_BLUE);		break;
 	default:
 		return 0;
 	}
@@ -50,6 +59,7 @@ static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 
 static const struct hid_device_id ts_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, ts_devices);

From cf32eb89cb4e674f88e4af5025839d85d02485c6 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:12:25 -0700
Subject: [PATCH 0590/3638] of/flattree: make of_fdt.h safe to unconditionally
 include.

If CONFIG_OF_FLATTREE is not set, then don't process the body of
linux/of_fdt.h

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 include/linux/of_fdt.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index a1ca92ccb0f..f0fdd1f4368 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -57,6 +57,7 @@ struct boot_param_header {
 	__be32	dt_struct_size;		/* size of the DT structure block */
 };
 
+#if defined(CONFIG_OF_FLATTREE)
 /* TBD: Temporary export of fdt globals - remove when code fully merged */
 extern int __initdata dt_root_addr_cells;
 extern int __initdata dt_root_size_cells;
@@ -98,6 +99,7 @@ extern int early_init_dt_scan_root(unsigned long node, const char *uname,
 /* Other Prototypes */
 extern void unflatten_device_tree(void);
 extern void early_init_devtree(void *);
+#endif /* CONFIG_OF_FLATTREE */
 
 #endif /* __ASSEMBLY__ */
 #endif /* _LINUX_OF_FDT_H */

From 8bfe9b5c3a684fe39eb58a65e466c103d1c32c9a Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:12:26 -0700
Subject: [PATCH 0591/3638] of/flattree: Make unflatten_device_tree() safe to
 call from any arch

This patch makes unflatten_device_tree() safe to call from any arch
setup code with the following changes:
- Make sure initial_boot_params actually points to a device tree blob
  before unflattening
- Make sure the initial_boot_params->magic field is correct
- If CONFIG_OF_FLATTREE is not set, then make unflatten_device_tree()
  an empty static inline function.

This patch also adds some additional debug output to the top of
unflatten_device_tree().

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/of/fdt.c       | 15 +++++++++++++++
 include/linux/of_fdt.h |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index dee4fb56b09..b6987bba855 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -556,6 +556,21 @@ void __init unflatten_device_tree(void)
 
 	pr_debug(" -> unflatten_device_tree()\n");
 
+	if (!initial_boot_params) {
+		pr_debug("No device tree pointer\n");
+		return;
+	}
+
+	pr_debug("Unflattening device tree:\n");
+	pr_debug("magic: %08x\n", be32_to_cpu(initial_boot_params->magic));
+	pr_debug("size: %08x\n", be32_to_cpu(initial_boot_params->totalsize));
+	pr_debug("version: %08x\n", be32_to_cpu(initial_boot_params->version));
+
+	if (be32_to_cpu(initial_boot_params->magic) != OF_DT_HEADER) {
+		pr_err("Invalid device tree blob header\n");
+		return;
+	}
+
 	/* First pass, scan for size */
 	start = ((unsigned long)initial_boot_params) +
 		be32_to_cpu(initial_boot_params->off_dt_struct);
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index f0fdd1f4368..71e1a916d3f 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -99,6 +99,8 @@ extern int early_init_dt_scan_root(unsigned long node, const char *uname,
 /* Other Prototypes */
 extern void unflatten_device_tree(void);
 extern void early_init_devtree(void *);
+#else /* CONFIG_OF_FLATTREE */
+static inline void unflatten_device_tree(void) {}
 #endif /* CONFIG_OF_FLATTREE */
 
 #endif /* __ASSEMBLY__ */

From efb2e014fc4f2675011b802e1a84bf9a58756004 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:12:27 -0700
Subject: [PATCH 0592/3638] of: protect contents of of_platform.h and
 of_device.h

Only process contents of of_platform.h and of_device.h if
CONFIG_OF_DEVICE is set.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 include/linux/of_device.h   | 2 ++
 include/linux/of_platform.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index d3a74e00a3e..e7904a9cd3a 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_OF_DEVICE_H
 #define _LINUX_OF_DEVICE_H
 
+#ifdef CONFIG_OF_DEVICE
 #include <linux/device.h>
 #include <linux/of.h>
 #include <linux/mod_devicetable.h>
@@ -26,5 +27,6 @@ static inline void of_device_free(struct of_device *dev)
 
 extern ssize_t of_device_get_modalias(struct of_device *ofdev,
 					char *str, ssize_t len);
+#endif /* CONFIG_OF_DEVICE */
 
 #endif /* _LINUX_OF_DEVICE_H */
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 90840665133..ac3ae0758fb 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -11,6 +11,7 @@
  *
  */
 
+#ifdef CONFIG_OF_DEVICE
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
@@ -66,5 +67,6 @@ static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
 extern struct of_device *of_find_device_by_node(struct device_node *np);
 
 extern int of_bus_type_init(struct bus_type *bus, const char *name);
+#endif /* CONFIG_OF_DEVICE */
 
 #endif	/* _LINUX_OF_PLATFORM_H */

From d706c1b050274b3bf97d7cb0542c0d070c9ccb8b Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:12:28 -0700
Subject: [PATCH 0593/3638] driver-core: Add device node pointer to struct
 device

Currently, platforms using CONFIG_OF add a 'struct device_node *of_node'
to dev->archdata.  However, with CONFIG_OF becoming generic for all
architectures, it makes sense for commonality to move it out of archdata
and into struct device proper.

This patch adds a struct device_node *of_node member to struct device
and updates all locations which currently write the device_node pointer
into archdata to also update dev->of_node.  Subsequent patches will
modify callers to use the archdata location and ultimately remove
the archdata member entirely.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
CC: Michal Simek <monstr@monstr.eu>
CC: Greg Kroah-Hartman <gregkh@suse.de>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: "David S. Miller" <davem@davemloft.net>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
CC: Jeremy Kerr <jeremy.kerr@canonical.com>
CC: microblaze-uclinux@itee.uq.edu.au
CC: linux-kernel@vger.kernel.org
CC: linuxppc-dev@ozlabs.org
CC: sparclinux@vger.kernel.org
---
 arch/microblaze/kernel/of_device.c      | 1 +
 arch/powerpc/kernel/of_device.c         | 1 +
 arch/powerpc/kernel/pci-common.c        | 3 ++-
 arch/powerpc/kernel/vio.c               | 3 ++-
 arch/powerpc/platforms/ps3/system-bus.c | 1 +
 arch/sparc/kernel/of_device_32.c        | 1 +
 arch/sparc/kernel/of_device_64.c        | 1 +
 arch/sparc/kernel/pci.c                 | 1 +
 drivers/of/of_mdio.c                    | 1 +
 drivers/of/of_spi.c                     | 1 +
 include/linux/device.h                  | 4 ++++
 11 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c
index 9a0f7632c47..f6c521898eb 100644
--- a/arch/microblaze/kernel/of_device.c
+++ b/arch/microblaze/kernel/of_device.c
@@ -54,6 +54,7 @@ struct of_device *of_device_alloc(struct device_node *np,
 	dev->dev.parent = parent;
 	dev->dev.release = of_release_dev;
 	dev->dev.archdata.of_node = np;
+	dev->dev.of_node = np;
 
 	if (bus_id)
 		dev_set_name(&dev->dev, bus_id);
diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c
index a359cb08e90..9577e6f4e3b 100644
--- a/arch/powerpc/kernel/of_device.c
+++ b/arch/powerpc/kernel/of_device.c
@@ -74,6 +74,7 @@ struct of_device *of_device_alloc(struct device_node *np,
 	dev->dev.parent = parent;
 	dev->dev.release = of_release_dev;
 	dev->dev.archdata.of_node = np;
+	dev->dev.of_node = np;
 
 	if (bus_id)
 		dev_set_name(&dev->dev, "%s", bus_id);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 0c0567e5840..88da282047c 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1097,8 +1097,9 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
 		if (dev->is_added)
 			continue;
 
-		/* Setup OF node pointer in archdata */
+		/* Setup OF node pointer in the device */
 		sd->of_node = pci_device_to_OF_node(dev);
+		dev->dev.of_node = pci_device_to_OF_node(dev);
 
 		/* Fixup NUMA node as it may not be setup yet by the generic
 		 * code and is needed by the DMA init
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 82237176a2a..d6708da114e 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1230,7 +1230,8 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
 		if (unit_address != NULL)
 			viodev->unit_address = *unit_address;
 	}
-	viodev->dev.archdata.of_node = of_node_get(of_node);
+	viodev->dev.of_node = of_node_get(of_node);
+	viodev->dev.archdata.of_node = viodev->dev.of_node;
 
 	if (firmware_has_feature(FW_FEATURE_CMO))
 		vio_cmo_set_dma_ops(viodev);
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 6d09f5e3e7e..e546c86a539 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -766,6 +766,7 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev)
 		BUG();
 	};
 
+	dev->core.of_node = NULL;
 	dev->core.archdata.of_node = NULL;
 	set_dev_node(&dev->core, 0);
 
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index da527b33ebc..4926c1babd8 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -348,6 +348,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 	sd->prom_node = dp;
 	sd->op = op;
 
+	op->dev.of_node = dp;
 	op->node = dp;
 
 	op->clock_freq = of_getintprop_default(dp, "clock-frequency",
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index b3d4cb5d21b..5bc74161667 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -643,6 +643,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 	sd->prom_node = dp;
 	sd->op = op;
 
+	op->dev.of_node = dp;
 	op->node = dp;
 
 	op->clock_freq = of_getintprop_default(dp, "clock-frequency",
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 5ac539a5930..0c920147b4e 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -262,6 +262,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 	sd->stc = &pbm->stc;
 	sd->host_controller = pbm;
 	sd->prom_node = node;
+	dev->dev.of_node = node;
 	sd->op = op = of_find_device_by_node(node);
 	sd->numa_node = pbm->numa_node;
 
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 18ecae4a437..12090f57dc8 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -80,6 +80,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 		 * can be looked up later */
 		of_node_get(child);
 		dev_archdata_set_node(&phy->dev.archdata, child);
+		phy->dev.of_node = child;
 
 		/* All data is now stored in the phy struct; register it */
 		rc = phy_device_register(phy);
diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c
index f65f48b9844..f3119a0836a 100644
--- a/drivers/of/of_spi.c
+++ b/drivers/of/of_spi.c
@@ -79,6 +79,7 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np)
 
 		/* Store a pointer to the node in the device structure */
 		of_node_get(nc);
+		spi->dev.of_node = nc;
 		spi->dev.archdata.of_node = nc;
 
 		/* Register the new device */
diff --git a/include/linux/device.h b/include/linux/device.h
index 182192892d4..7a968bdb02e 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -34,6 +34,7 @@ struct class;
 struct class_private;
 struct bus_type;
 struct bus_type_private;
+struct device_node;
 
 struct bus_attribute {
 	struct attribute	attr;
@@ -433,6 +434,9 @@ struct device {
 					     override */
 	/* arch specific additions */
 	struct dev_archdata	archdata;
+#ifdef CONFIG_OF
+	struct device_node	*of_node;
+#endif
 
 	dev_t			devt;	/* dev_t, creates the sysfs "dev" */
 

From d12d42f744f805a9ccc33cd76f04b237cd83ce56 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:12:28 -0700
Subject: [PATCH 0594/3638] i2c/of: Allow device node to be passed via
 i2c_board_info

The struct device_node *of_node pointer is moving out of dev->archdata
and into the struct device proper.  of_i2c.c needs to set the of_node
pointer before the device is registered.  Since the i2c subsystem
doesn't allow 2 stage allocation and registration of i2c devices, the
of_node pointer needs to be passed via the i2c_board_info structure
so that it is set prior to registration.

This patch adds of_node to struct i2c_board_info (conditional on
CONFIG_OF), sets of_node in i2c_new_device(), and modifies of_i2c.c
to use the new parameter.  The calling of dev_archdata_set_node()
from of_i2c will be removed in a subsequent patch when of_node is
removed from archdata and all users are converted over.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/i2c/i2c-core.c | 3 +++
 drivers/of/of_i2c.c    | 1 +
 include/linux/i2c.h    | 4 ++++
 3 files changed, 8 insertions(+)

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 3202a86f420..4099b2b8c39 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -387,6 +387,9 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
 	client->dev.parent = &client->adapter->dev;
 	client->dev.bus = &i2c_bus_type;
 	client->dev.type = &i2c_client_type;
+#ifdef CONFIG_OF
+	client->dev.of_node = info->of_node;
+#endif
 
 	dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap),
 		     client->addr);
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index a3a708e590d..e690a2aa6fe 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -43,6 +43,7 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
 		info.addr = be32_to_cpup(addr);
 
 		dev_archdata_set_node(&dev_ad, node);
+		info.of_node = node;
 		info.archdata = &dev_ad;
 
 		request_module("%s", info.type);
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 0a5da639b32..4f37ff1de7e 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -34,6 +34,7 @@
 #include <linux/device.h>	/* for struct device */
 #include <linux/sched.h>	/* for completion */
 #include <linux/mutex.h>
+#include <linux/of.h>		/* for struct device_node */
 
 extern struct bus_type i2c_bus_type;
 
@@ -251,6 +252,9 @@ struct i2c_board_info {
 	unsigned short	addr;
 	void		*platform_data;
 	struct dev_archdata	*archdata;
+#ifdef CONFIG_OF
+	struct device_node *of_node;
+#endif
 	int		irq;
 };
 

From 0341aafb7f3313bcedc6811a098500be85f3fc77 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 29 Apr 2010 09:28:21 +0200
Subject: [PATCH 0595/3638] block: fix bad use of min() on different types

Just cast the page size to sector_t, that will always fit.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-lib.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/block/blk-lib.c b/block/blk-lib.c
index 886c3f9e1be..d0216b9f22d 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -124,6 +124,7 @@ struct bio_batch
 static void bio_batch_end_io(struct bio *bio, int err)
 {
 	struct bio_batch *bb = bio->bi_private;
+
 	if (err) {
 		if (err == -EOPNOTSUPP)
 			set_bit(BIO_EOPNOTSUPP, &bb->flags);
@@ -186,8 +187,8 @@ submit:
 		if (flags & BLKDEV_IFL_WAIT)
 			bio->bi_private = &bb;
 
-		while(nr_sects != 0) {
-			sz = min(PAGE_SIZE >> 9 , nr_sects);
+		while (nr_sects != 0) {
+			sz = min((sector_t) PAGE_SIZE >> 9 , nr_sects);
 			if (sz == 0)
 				/* bio has maximum size possible */
 				break;

From 6a47dc1418682c83d603b491df1d048f73aa973e Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 29 Apr 2010 09:32:00 +0200
Subject: [PATCH 0596/3638] nilfs: fix breakage caused by barrier flag changes

After merging the block tree, today's linux-next build (powerpc ppc64_defconfig)
failed like this:

fs/nilfs2/the_nilfs.c: In function 'nilfs_discard_segments':
fs/nilfs2/the_nilfs.c:673: error: 'DISCARD_FL_BARRIER' undeclared (first use in this function)

Caused by commit fbd9b09a177a481eda256447c881f014f29034fe ("blkdev:
generalize flags for blkdev_issue_fn functions") interacting with commit
e902ec9906e844f4613fa6190c6fa65f162dc86e ("nilfs2: issue discard request
after cleaning segments") (which netered Linus' tree on about March 4 -
before v2.6.34-rc1).

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/nilfs2/the_nilfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 33871f7e4f0..7ffcf2b8b1f 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -670,7 +670,7 @@ int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump,
 						   start * sects_per_block,
 						   nblocks * sects_per_block,
 						   GFP_NOFS,
-						   DISCARD_FL_BARRIER);
+						   BLKDEV_IFL_BARRIER);
 			if (ret < 0)
 				return ret;
 			nblocks = 0;
@@ -680,7 +680,7 @@ int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump,
 		ret = blkdev_issue_discard(nilfs->ns_bdev,
 					   start * sects_per_block,
 					   nblocks * sects_per_block,
-					   GFP_NOFS, DISCARD_FL_BARRIER);
+					   GFP_NOFS, BLKDEV_IFL_BARRIER);
 	return ret;
 }
 

From 2fde99cb55fb9d9b88180512a5e8a5d939d27fec Mon Sep 17 00:00:00 2001
From: ZhangJieJing <kzjeef@gmail.com>
Date: Fri, 16 Apr 2010 11:36:50 +0800
Subject: [PATCH 0597/3638] UBIFS: mark VFS SB RO too

If some read/write error happens (eg.CRC error), UBIFS swotches to
read-only mode, but the VFS infomation still not update.
This patch add this also make /proc/mounts update.

Signed-off-by: Zhang Jiejing <kzjeef@gmail.com>
---
 fs/ubifs/io.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 77d5cf4a754..bcf5a16f30b 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -64,6 +64,7 @@ void ubifs_ro_mode(struct ubifs_info *c, int err)
 	if (!c->ro_media) {
 		c->ro_media = 1;
 		c->no_chk_data_crc = 0;
+		c->vfs_sb->s_flags |= MS_RDONLY;
 		ubifs_warn("switched to read-only mode, error %d", err);
 		dbg_dump_stack();
 	}

From e308b3d19d1cf6af39024121269bb384b95d3da3 Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Tue, 23 Mar 2010 01:12:27 -0400
Subject: [PATCH 0598/3638] [SCSI] scsi_debug: Block Limits VPD page fixes

Add a few clarifying comments in the B0 page function and allow the
optimal transfer length field to be specified on the command line using
opt_blks=N.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_debug.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index a783cd33a3e..e7b39f13348 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -108,6 +108,7 @@ static const char * scsi_debug_version_date = "20100324";
 #define DEF_ATO 1
 #define DEF_PHYSBLK_EXP 0
 #define DEF_LOWEST_ALIGNED 0
+#define DEF_OPT_BLKS 64
 #define DEF_UNMAP_MAX_BLOCKS 0
 #define DEF_UNMAP_MAX_DESC 0
 #define DEF_UNMAP_GRANULARITY 0
@@ -175,6 +176,7 @@ static int scsi_debug_guard = DEF_GUARD;
 static int scsi_debug_ato = DEF_ATO;
 static int scsi_debug_physblk_exp = DEF_PHYSBLK_EXP;
 static int scsi_debug_lowest_aligned = DEF_LOWEST_ALIGNED;
+static int scsi_debug_opt_blks = DEF_OPT_BLKS;
 static int scsi_debug_unmap_max_desc = DEF_UNMAP_MAX_DESC;
 static int scsi_debug_unmap_max_blocks = DEF_UNMAP_MAX_BLOCKS;
 static int scsi_debug_unmap_granularity = DEF_UNMAP_GRANULARITY;
@@ -704,9 +706,13 @@ static int inquiry_evpd_b0(unsigned char * arr)
 	unsigned int gran;
 
 	memcpy(arr, vpdb0_data, sizeof(vpdb0_data));
+
+	/* Optimal transfer length granularity */
 	gran = 1 << scsi_debug_physblk_exp;
 	arr[2] = (gran >> 8) & 0xff;
 	arr[3] = gran & 0xff;
+
+	/* Maximum Transfer Length */
 	if (sdebug_store_sectors > 0x400) {
 		arr[4] = (sdebug_store_sectors >> 24) & 0xff;
 		arr[5] = (sdebug_store_sectors >> 16) & 0xff;
@@ -714,6 +720,9 @@ static int inquiry_evpd_b0(unsigned char * arr)
 		arr[7] = sdebug_store_sectors & 0xff;
 	}
 
+	/* Optimal Transfer Length */
+	put_unaligned_be32(scsi_debug_opt_blks, &arr[8]);
+
 	if (scsi_debug_unmap_max_desc) {
 		unsigned int blocks;
 
@@ -722,15 +731,20 @@ static int inquiry_evpd_b0(unsigned char * arr)
 		else
 			blocks = 0xffffffff;
 
+		/* Maximum Unmap LBA Count */
 		put_unaligned_be32(blocks, &arr[16]);
+
+		/* Maximum Unmap Block Descriptor Count */
 		put_unaligned_be32(scsi_debug_unmap_max_desc, &arr[20]);
 	}
 
+	/* Unmap Granularity Alignment */
 	if (scsi_debug_unmap_alignment) {
 		put_unaligned_be32(scsi_debug_unmap_alignment, &arr[28]);
 		arr[28] |= 0x80; /* UGAVALID */
 	}
 
+	/* Optimal Unmap Granularity */
 	if (scsi_debug_unmap_granularity) {
 		put_unaligned_be32(scsi_debug_unmap_granularity, &arr[24]);
 		return 0x3c; /* Mandatory page length for thin provisioning */
@@ -2685,6 +2699,7 @@ module_param_named(dif, scsi_debug_dif, int, S_IRUGO);
 module_param_named(guard, scsi_debug_guard, int, S_IRUGO);
 module_param_named(ato, scsi_debug_ato, int, S_IRUGO);
 module_param_named(physblk_exp, scsi_debug_physblk_exp, int, S_IRUGO);
+module_param_named(opt_blks, scsi_debug_opt_blks, int, S_IRUGO);
 module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO);
 module_param_named(unmap_max_blocks, scsi_debug_unmap_max_blocks, int, S_IRUGO);
 module_param_named(unmap_max_desc, scsi_debug_unmap_max_desc, int, S_IRUGO);
@@ -2715,6 +2730,7 @@ MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)")
 MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)");
 MODULE_PARM_DESC(sector_size, "logical block size in bytes (def=512)");
 MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)");
+MODULE_PARM_DESC(opt_blks, "optimal transfer length in block (def=64)");
 MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)");
 MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)");
 MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)");

From 59c31b69d278b760fb84266f99c1dcb0f73ec51d Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Tue, 23 Mar 2010 01:13:28 -0400
Subject: [PATCH 0599/3638] [SCSI] Add missing scsi command definitions

Add definitions for VERIFY(12) and VERIFY(32).

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 include/scsi/scsi.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 832f41f3738..9ae5c613131 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -114,6 +114,7 @@ struct scsi_cmnd;
 #define READ_12               0xa8
 #define WRITE_12              0xaa
 #define WRITE_VERIFY_12       0xae
+#define VERIFY_12	      0xaf
 #define SEARCH_HIGH_12        0xb0
 #define SEARCH_EQUAL_12       0xb1
 #define SEARCH_LOW_12         0xb2
@@ -134,6 +135,7 @@ struct scsi_cmnd;
 #define MO_SET_TARGET_PGS     0x0a
 /* values for variable length command */
 #define READ_32		      0x09
+#define VERIFY_32	      0x0a
 #define WRITE_32	      0x0b
 #define WRITE_SAME_32	      0x0d
 

From 5a2e3995951176e1aaa63d17ae2e1d26ac99003d Mon Sep 17 00:00:00 2001
From: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Date: Thu, 1 Apr 2010 20:40:58 +0900
Subject: [PATCH 0600/3638] [SCSI] ftrace: add __print_hex()

__print_hex() prints values in an array in hex (w/o '0x') (space separated)
EX) 92 33 32 f3 ee 4d

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 include/linux/ftrace_event.h |  3 +++
 include/trace/ftrace.h       |  3 +++
 kernel/trace/trace_output.c  | 15 +++++++++++++++
 3 files changed, 21 insertions(+)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index c0f4b364c71..c3c5aaaae53 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -25,6 +25,9 @@ const char *ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
 const char *ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
 				     const struct trace_print_flags *symbol_array);
 
+const char *ftrace_print_hex_seq(struct trace_seq *p,
+				 const unsigned char *buf, int len);
+
 /*
  * The trace entry - the most basic unit of tracing. This is what
  * is printed in the end as a single line in the trace output, such as:
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index ea6f9d4a20e..c48320b3dab 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -198,6 +198,9 @@
 		ftrace_print_symbols_seq(p, value, symbols);		\
 	})
 
+#undef __print_hex
+#define __print_hex(buf, buf_len) ftrace_print_hex_seq(p, buf, buf_len)
+
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 static notrace enum print_line_t					\
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 8e46b3323cd..7c4a0ca650b 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -355,6 +355,21 @@ ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
 }
 EXPORT_SYMBOL(ftrace_print_symbols_seq);
 
+const char *
+ftrace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len)
+{
+	int i;
+	const char *ret = p->buffer + p->len;
+
+	for (i = 0; i < buf_len; i++)
+		trace_seq_printf(p, "%s%2.2x", i == 0 ? "" : " ", buf[i]);
+
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+EXPORT_SYMBOL(ftrace_print_hex_seq);
+
 #ifdef CONFIG_KRETPROBES
 static inline const char *kretprobed(const char *name)
 {

From bf81623542332bc2cedf3db49cbb2edb724780d2 Mon Sep 17 00:00:00 2001
From: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Date: Thu, 1 Apr 2010 20:41:40 +0900
Subject: [PATCH 0601/3638] [SCSI] add scsi trace core functions and put trace
 points

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/Makefile       |   1 +
 drivers/scsi/scsi.c         |   6 +
 drivers/scsi/scsi_error.c   |   4 +
 drivers/scsi/scsi_trace.c   | 185 ++++++++++++++++++++
 include/trace/events/scsi.h | 328 ++++++++++++++++++++++++++++++++++++
 kernel/trace/trace_output.c |   1 +
 6 files changed, 525 insertions(+)
 create mode 100644 drivers/scsi/scsi_trace.c
 create mode 100644 include/trace/events/scsi.h

diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 92a8c500b23..1c7ac49be64 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -162,6 +162,7 @@ scsi_mod-y			+= scsi_scan.o scsi_sysfs.o scsi_devinfo.o
 scsi_mod-$(CONFIG_SCSI_NETLINK)	+= scsi_netlink.o
 scsi_mod-$(CONFIG_SYSCTL)	+= scsi_sysctl.o
 scsi_mod-$(CONFIG_SCSI_PROC_FS)	+= scsi_proc.o
+scsi_mod-y			+= scsi_trace.o
 
 scsi_tgt-y			+= scsi_tgt_lib.o scsi_tgt_if.o
 
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 1c08f616465..ad0ed212db4 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -67,6 +67,9 @@
 #include "scsi_priv.h"
 #include "scsi_logging.h"
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/scsi.h>
+
 static void scsi_done(struct scsi_cmnd *cmd);
 
 /*
@@ -747,10 +750,12 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
 		cmd->result = (DID_NO_CONNECT << 16);
 		scsi_done(cmd);
 	} else {
+		trace_scsi_dispatch_cmd_start(cmd);
 		rtn = host->hostt->queuecommand(cmd, scsi_done);
 	}
 	spin_unlock_irqrestore(host->host_lock, flags);
 	if (rtn) {
+		trace_scsi_dispatch_cmd_error(cmd, rtn);
 		if (rtn != SCSI_MLQUEUE_DEVICE_BUSY &&
 		    rtn != SCSI_MLQUEUE_TARGET_BUSY)
 			rtn = SCSI_MLQUEUE_HOST_BUSY;
@@ -781,6 +786,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
  */
 static void scsi_done(struct scsi_cmnd *cmd)
 {
+	trace_scsi_dispatch_cmd_done(cmd);
 	blk_complete_request(cmd->request);
 }
 
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 33175974b55..f31d868f936 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -39,6 +39,8 @@
 #include "scsi_logging.h"
 #include "scsi_transport_api.h"
 
+#include <trace/events/scsi.h>
+
 #define SENSE_TIMEOUT		(10*HZ)
 
 /*
@@ -52,6 +54,7 @@
 void scsi_eh_wakeup(struct Scsi_Host *shost)
 {
 	if (shost->host_busy == shost->host_failed) {
+		trace_scsi_eh_wakeup(shost);
 		wake_up_process(shost->ehandler);
 		SCSI_LOG_ERROR_RECOVERY(5,
 				printk("Waking error handler thread\n"));
@@ -127,6 +130,7 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
 	struct scsi_cmnd *scmd = req->special;
 	enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED;
 
+	trace_scsi_dispatch_cmd_timeout(scmd);
 	scsi_log_completion(scmd, TIMEOUT_ERROR);
 
 	if (scmd->device->host->transportt->eh_timed_out)
diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
new file mode 100644
index 00000000000..9a3342a2fa3
--- /dev/null
+++ b/drivers/scsi/scsi_trace.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2010 FUJITSU LIMITED
+ * Copyright (C) 2010 Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/trace_seq.h>
+#include <trace/events/scsi.h>
+
+#define SERVICE_ACTION(cdb) ((cdb[8] << 8) | cdb[9])
+
+static const char *
+scsi_trace_misc(struct trace_seq *, unsigned char *, int);
+
+static const char *
+scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	const char *ret = p->buffer + p->len;
+	sector_t lba = 0, txlen = 0;
+
+	lba |= ((cdb[1] & 0x1F) << 16);
+	lba |=  (cdb[2] << 8);
+	lba |=   cdb[3];
+	txlen = cdb[4];
+
+	trace_seq_printf(p, "lba=%llu txlen=%llu",
+			 (unsigned long long)lba, (unsigned long long)txlen);
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+
+static const char *
+scsi_trace_rw10(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	const char *ret = p->buffer + p->len;
+	sector_t lba = 0, txlen = 0;
+
+	lba |= (cdb[2] << 24);
+	lba |= (cdb[3] << 16);
+	lba |= (cdb[4] << 8);
+	lba |=  cdb[5];
+	txlen |= (cdb[7] << 8);
+	txlen |=  cdb[8];
+
+	trace_seq_printf(p, "lba=%llu txlen=%llu",
+			 (unsigned long long)lba, (unsigned long long)txlen);
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+
+static const char *
+scsi_trace_rw12(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	const char *ret = p->buffer + p->len;
+	sector_t lba = 0, txlen = 0;
+
+	lba |= (cdb[2] << 24);
+	lba |= (cdb[3] << 16);
+	lba |= (cdb[4] << 8);
+	lba |=  cdb[5];
+	txlen |= (cdb[6] << 24);
+	txlen |= (cdb[7] << 16);
+	txlen |= (cdb[8] << 8);
+	txlen |=  cdb[9];
+
+	trace_seq_printf(p, "lba=%llu txlen=%llu",
+			 (unsigned long long)lba, (unsigned long long)txlen);
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+
+static const char *
+scsi_trace_rw16(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	const char *ret = p->buffer + p->len;
+	sector_t lba = 0, txlen = 0;
+
+	lba |= ((u64)cdb[2] << 56);
+	lba |= ((u64)cdb[3] << 48);
+	lba |= ((u64)cdb[4] << 40);
+	lba |= ((u64)cdb[5] << 32);
+	lba |= (cdb[6] << 24);
+	lba |= (cdb[7] << 16);
+	lba |= (cdb[8] << 8);
+	lba |=  cdb[9];
+	txlen |= (cdb[10] << 24);
+	txlen |= (cdb[11] << 16);
+	txlen |= (cdb[12] << 8);
+	txlen |=  cdb[13];
+
+	trace_seq_printf(p, "lba=%llu txlen=%llu",
+			 (unsigned long long)lba, (unsigned long long)txlen);
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+
+static const char *
+scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	const char *ret = p->buffer + p->len;
+	sector_t lba = 0, txlen = 0;
+
+	lba |= ((u64)cdb[12] << 56);
+	lba |= ((u64)cdb[13] << 48);
+	lba |= ((u64)cdb[14] << 40);
+	lba |= ((u64)cdb[15] << 32);
+	lba |= (cdb[16] << 24);
+	lba |= (cdb[17] << 16);
+	lba |= (cdb[18] << 8);
+	lba |=  cdb[19];
+	txlen |= (cdb[28] << 24);
+	txlen |= (cdb[29] << 16);
+	txlen |= (cdb[30] << 8);
+	txlen |=  cdb[31];
+
+	trace_seq_printf(p, "%s_32 lba=%llu txlen=%llu",
+			(SERVICE_ACTION(cdb) == READ_32 ? "READ" : "WRITE"),
+			(unsigned long long)lba, (unsigned long long)txlen);
+
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+
+static const char *
+scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	switch (SERVICE_ACTION(cdb)) {
+	case READ_32:
+	case WRITE_32:
+		return scsi_trace_rw32(p, cdb, len);
+	default:
+		return scsi_trace_misc(p, cdb, len);
+	}
+}
+
+static const char *
+scsi_trace_misc(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	const char *ret = p->buffer + p->len;
+
+	trace_seq_printf(p, "-");
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+
+const char *
+scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	switch (cdb[0]) {
+	case READ_6:
+	case WRITE_6:
+		return scsi_trace_rw6(p, cdb, len);
+	case READ_10:
+	case WRITE_10:
+		return scsi_trace_rw10(p, cdb, len);
+	case READ_12:
+	case WRITE_12:
+		return scsi_trace_rw12(p, cdb, len);
+	case READ_16:
+	case WRITE_16:
+		return scsi_trace_rw16(p, cdb, len);
+	case VARIABLE_LENGTH_CMD:
+		return scsi_trace_varlen(p, cdb, len);
+	default:
+		return scsi_trace_misc(p, cdb, len);
+	}
+}
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
new file mode 100644
index 00000000000..76cbf828eb8
--- /dev/null
+++ b/include/trace/events/scsi.h
@@ -0,0 +1,328 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM scsi
+
+#if !defined(_TRACE_SCSI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SCSI_H
+
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_host.h>
+#include <linux/tracepoint.h>
+#include <linux/trace_seq.h>
+
+#define scsi_opcode_name(opcode)	{ opcode, #opcode }
+#define show_opcode_name(val)					\
+	__print_symbolic(val,					\
+		scsi_opcode_name(TEST_UNIT_READY),		\
+		scsi_opcode_name(REZERO_UNIT),			\
+		scsi_opcode_name(REQUEST_SENSE),		\
+		scsi_opcode_name(FORMAT_UNIT),			\
+		scsi_opcode_name(READ_BLOCK_LIMITS),		\
+		scsi_opcode_name(REASSIGN_BLOCKS),		\
+		scsi_opcode_name(INITIALIZE_ELEMENT_STATUS),	\
+		scsi_opcode_name(READ_6),			\
+		scsi_opcode_name(WRITE_6),			\
+		scsi_opcode_name(SEEK_6),			\
+		scsi_opcode_name(READ_REVERSE),			\
+		scsi_opcode_name(WRITE_FILEMARKS),		\
+		scsi_opcode_name(SPACE),			\
+		scsi_opcode_name(INQUIRY),			\
+		scsi_opcode_name(RECOVER_BUFFERED_DATA),	\
+		scsi_opcode_name(MODE_SELECT),			\
+		scsi_opcode_name(RESERVE),			\
+		scsi_opcode_name(RELEASE),			\
+		scsi_opcode_name(COPY),				\
+		scsi_opcode_name(ERASE),			\
+		scsi_opcode_name(MODE_SENSE),			\
+		scsi_opcode_name(START_STOP),			\
+		scsi_opcode_name(RECEIVE_DIAGNOSTIC),		\
+		scsi_opcode_name(SEND_DIAGNOSTIC),		\
+		scsi_opcode_name(ALLOW_MEDIUM_REMOVAL),		\
+		scsi_opcode_name(SET_WINDOW),			\
+		scsi_opcode_name(READ_CAPACITY),		\
+		scsi_opcode_name(READ_10),			\
+		scsi_opcode_name(WRITE_10),			\
+		scsi_opcode_name(SEEK_10),			\
+		scsi_opcode_name(POSITION_TO_ELEMENT),		\
+		scsi_opcode_name(WRITE_VERIFY),			\
+		scsi_opcode_name(VERIFY),			\
+		scsi_opcode_name(SEARCH_HIGH),			\
+		scsi_opcode_name(SEARCH_EQUAL),			\
+		scsi_opcode_name(SEARCH_LOW),			\
+		scsi_opcode_name(SET_LIMITS),			\
+		scsi_opcode_name(PRE_FETCH),			\
+		scsi_opcode_name(READ_POSITION),		\
+		scsi_opcode_name(SYNCHRONIZE_CACHE),		\
+		scsi_opcode_name(LOCK_UNLOCK_CACHE),		\
+		scsi_opcode_name(READ_DEFECT_DATA),		\
+		scsi_opcode_name(MEDIUM_SCAN),			\
+		scsi_opcode_name(COMPARE),			\
+		scsi_opcode_name(COPY_VERIFY),			\
+		scsi_opcode_name(WRITE_BUFFER),			\
+		scsi_opcode_name(READ_BUFFER),			\
+		scsi_opcode_name(UPDATE_BLOCK),			\
+		scsi_opcode_name(READ_LONG),			\
+		scsi_opcode_name(WRITE_LONG),			\
+		scsi_opcode_name(CHANGE_DEFINITION),		\
+		scsi_opcode_name(WRITE_SAME),			\
+		scsi_opcode_name(UNMAP),			\
+		scsi_opcode_name(READ_TOC),			\
+		scsi_opcode_name(LOG_SELECT),			\
+		scsi_opcode_name(LOG_SENSE),			\
+		scsi_opcode_name(XDWRITEREAD_10),		\
+		scsi_opcode_name(MODE_SELECT_10),		\
+		scsi_opcode_name(RESERVE_10),			\
+		scsi_opcode_name(RELEASE_10),			\
+		scsi_opcode_name(MODE_SENSE_10),		\
+		scsi_opcode_name(PERSISTENT_RESERVE_IN),	\
+		scsi_opcode_name(PERSISTENT_RESERVE_OUT),	\
+		scsi_opcode_name(VARIABLE_LENGTH_CMD),		\
+		scsi_opcode_name(REPORT_LUNS),			\
+		scsi_opcode_name(MAINTENANCE_IN),		\
+		scsi_opcode_name(MAINTENANCE_OUT),		\
+		scsi_opcode_name(MOVE_MEDIUM),			\
+		scsi_opcode_name(EXCHANGE_MEDIUM),		\
+		scsi_opcode_name(READ_12),			\
+		scsi_opcode_name(WRITE_12),			\
+		scsi_opcode_name(WRITE_VERIFY_12),		\
+		scsi_opcode_name(SEARCH_HIGH_12),		\
+		scsi_opcode_name(SEARCH_EQUAL_12),		\
+		scsi_opcode_name(SEARCH_LOW_12),		\
+		scsi_opcode_name(READ_ELEMENT_STATUS),		\
+		scsi_opcode_name(SEND_VOLUME_TAG),		\
+		scsi_opcode_name(WRITE_LONG_2),			\
+		scsi_opcode_name(READ_16),			\
+		scsi_opcode_name(WRITE_16),			\
+		scsi_opcode_name(VERIFY_16),			\
+		scsi_opcode_name(WRITE_SAME_16),		\
+		scsi_opcode_name(SERVICE_ACTION_IN),		\
+		scsi_opcode_name(SAI_READ_CAPACITY_16),		\
+		scsi_opcode_name(SAI_GET_LBA_STATUS),		\
+		scsi_opcode_name(MI_REPORT_TARGET_PGS),		\
+		scsi_opcode_name(MO_SET_TARGET_PGS),		\
+		scsi_opcode_name(READ_32),			\
+		scsi_opcode_name(WRITE_32),			\
+		scsi_opcode_name(WRITE_SAME_32),		\
+		scsi_opcode_name(ATA_16),			\
+		scsi_opcode_name(ATA_12))
+
+#define scsi_hostbyte_name(result)	{ result, #result }
+#define show_hostbyte_name(val)					\
+	__print_symbolic(val,					\
+		scsi_hostbyte_name(DID_OK),			\
+		scsi_hostbyte_name(DID_NO_CONNECT),		\
+		scsi_hostbyte_name(DID_BUS_BUSY),		\
+		scsi_hostbyte_name(DID_TIME_OUT),		\
+		scsi_hostbyte_name(DID_BAD_TARGET),		\
+		scsi_hostbyte_name(DID_ABORT),			\
+		scsi_hostbyte_name(DID_PARITY),			\
+		scsi_hostbyte_name(DID_ERROR),			\
+		scsi_hostbyte_name(DID_RESET),			\
+		scsi_hostbyte_name(DID_BAD_INTR),		\
+		scsi_hostbyte_name(DID_PASSTHROUGH),		\
+		scsi_hostbyte_name(DID_SOFT_ERROR),		\
+		scsi_hostbyte_name(DID_IMM_RETRY),		\
+		scsi_hostbyte_name(DID_REQUEUE),		\
+		scsi_hostbyte_name(DID_TRANSPORT_DISRUPTED),	\
+		scsi_hostbyte_name(DID_TRANSPORT_FAILFAST))
+
+#define scsi_driverbyte_name(result)	{ result, #result }
+#define show_driverbyte_name(val)				\
+	__print_symbolic(val,					\
+		scsi_driverbyte_name(DRIVER_OK),		\
+		scsi_driverbyte_name(DRIVER_BUSY),		\
+		scsi_driverbyte_name(DRIVER_SOFT),		\
+		scsi_driverbyte_name(DRIVER_MEDIA),		\
+		scsi_driverbyte_name(DRIVER_ERROR),		\
+		scsi_driverbyte_name(DRIVER_INVALID),		\
+		scsi_driverbyte_name(DRIVER_TIMEOUT),		\
+		scsi_driverbyte_name(DRIVER_HARD),		\
+		scsi_driverbyte_name(DRIVER_SENSE))
+
+#define scsi_msgbyte_name(result)	{ result, #result }
+#define show_msgbyte_name(val)					\
+	__print_symbolic(val,					\
+		scsi_msgbyte_name(COMMAND_COMPLETE),		\
+		scsi_msgbyte_name(EXTENDED_MESSAGE),		\
+		scsi_msgbyte_name(SAVE_POINTERS),		\
+		scsi_msgbyte_name(RESTORE_POINTERS),		\
+		scsi_msgbyte_name(DISCONNECT),			\
+		scsi_msgbyte_name(INITIATOR_ERROR),		\
+		scsi_msgbyte_name(ABORT_TASK_SET),		\
+		scsi_msgbyte_name(MESSAGE_REJECT),		\
+		scsi_msgbyte_name(NOP),				\
+		scsi_msgbyte_name(MSG_PARITY_ERROR),		\
+		scsi_msgbyte_name(LINKED_CMD_COMPLETE),		\
+		scsi_msgbyte_name(LINKED_FLG_CMD_COMPLETE),	\
+		scsi_msgbyte_name(TARGET_RESET),		\
+		scsi_msgbyte_name(ABORT_TASK),			\
+		scsi_msgbyte_name(CLEAR_TASK_SET),		\
+		scsi_msgbyte_name(INITIATE_RECOVERY),		\
+		scsi_msgbyte_name(RELEASE_RECOVERY),		\
+		scsi_msgbyte_name(CLEAR_ACA),			\
+		scsi_msgbyte_name(LOGICAL_UNIT_RESET),		\
+		scsi_msgbyte_name(SIMPLE_QUEUE_TAG),		\
+		scsi_msgbyte_name(HEAD_OF_QUEUE_TAG),		\
+		scsi_msgbyte_name(ORDERED_QUEUE_TAG),		\
+		scsi_msgbyte_name(IGNORE_WIDE_RESIDUE),		\
+		scsi_msgbyte_name(ACA),				\
+		scsi_msgbyte_name(QAS_REQUEST),			\
+		scsi_msgbyte_name(BUS_DEVICE_RESET),		\
+		scsi_msgbyte_name(ABORT))
+
+#define scsi_statusbyte_name(result)	{ result, #result }
+#define show_statusbyte_name(val)				\
+	__print_symbolic(val,					\
+		scsi_statusbyte_name(SAM_STAT_GOOD),		\
+		scsi_statusbyte_name(SAM_STAT_CHECK_CONDITION),	\
+		scsi_statusbyte_name(SAM_STAT_CONDITION_MET),	\
+		scsi_statusbyte_name(SAM_STAT_BUSY),		\
+		scsi_statusbyte_name(SAM_STAT_INTERMEDIATE),	\
+		scsi_statusbyte_name(SAM_STAT_INTERMEDIATE_CONDITION_MET), \
+		scsi_statusbyte_name(SAM_STAT_RESERVATION_CONFLICT),	\
+		scsi_statusbyte_name(SAM_STAT_COMMAND_TERMINATED),	\
+		scsi_statusbyte_name(SAM_STAT_TASK_SET_FULL),	\
+		scsi_statusbyte_name(SAM_STAT_ACA_ACTIVE),	\
+		scsi_statusbyte_name(SAM_STAT_TASK_ABORTED))
+
+const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int);
+#define __parse_cdb(cdb, len) scsi_trace_parse_cdb(p, cdb, len)
+
+TRACE_EVENT(scsi_dispatch_cmd_start,
+
+	TP_PROTO(struct scsi_cmnd *cmd),
+
+	TP_ARGS(cmd),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	host_no	)
+		__field( unsigned int,	channel	)
+		__field( unsigned int,	id	)
+		__field( unsigned int,	lun	)
+		__field( unsigned int,	opcode	)
+		__field( unsigned int,	cmd_len )
+		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
+	),
+
+	TP_fast_assign(
+		__entry->host_no	= cmd->device->host->host_no;
+		__entry->channel	= cmd->device->channel;
+		__entry->id		= cmd->device->id;
+		__entry->lun		= cmd->device->lun;
+		__entry->opcode		= cmd->cmnd[0];
+		__entry->cmd_len	= cmd->cmd_len;
+		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+	),
+
+	TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s)",
+		  __entry->host_no, __entry->channel, __entry->id,
+		  __entry->lun, show_opcode_name(__entry->opcode),
+		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len))
+);
+
+TRACE_EVENT(scsi_dispatch_cmd_error,
+
+	TP_PROTO(struct scsi_cmnd *cmd, int rtn),
+
+	TP_ARGS(cmd, rtn),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	host_no	)
+		__field( unsigned int,	channel	)
+		__field( unsigned int,	id	)
+		__field( unsigned int,	lun	)
+		__field( int,		rtn	)
+		__field( unsigned int,	opcode	)
+		__field( unsigned int,	cmd_len )
+		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
+	),
+
+	TP_fast_assign(
+		__entry->host_no	= cmd->device->host->host_no;
+		__entry->channel	= cmd->device->channel;
+		__entry->id		= cmd->device->id;
+		__entry->lun		= cmd->device->lun;
+		__entry->rtn		= rtn;
+		__entry->opcode		= cmd->cmnd[0];
+		__entry->cmd_len	= cmd->cmd_len;
+		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+	),
+
+	TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s)"
+		  " rtn=%d",
+		  __entry->host_no, __entry->channel, __entry->id,
+		  __entry->lun, show_opcode_name(__entry->opcode),
+		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  __entry->rtn)
+);
+
+DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
+
+	TP_PROTO(struct scsi_cmnd *cmd),
+
+	TP_ARGS(cmd),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	host_no	)
+		__field( unsigned int,	channel	)
+		__field( unsigned int,	id	)
+		__field( unsigned int,	lun	)
+		__field( int,		result	)
+		__field( unsigned int,	opcode	)
+		__field( unsigned int,	cmd_len )
+		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
+	),
+
+	TP_fast_assign(
+		__entry->host_no	= cmd->device->host->host_no;
+		__entry->channel	= cmd->device->channel;
+		__entry->id		= cmd->device->id;
+		__entry->lun		= cmd->device->lun;
+		__entry->result		= cmd->result;
+		__entry->opcode		= cmd->cmnd[0];
+		__entry->cmd_len	= cmd->cmd_len;
+		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+	),
+
+	TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s) "
+		  "result=(driver=%s host=%s message=%s status=%s)",
+		  __entry->host_no, __entry->channel, __entry->id,
+		  __entry->lun, show_opcode_name(__entry->opcode),
+		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  show_driverbyte_name(((__entry->result) >> 24) & 0xff),
+		  show_hostbyte_name(((__entry->result) >> 16) & 0xff),
+		  show_msgbyte_name(((__entry->result) >> 8) & 0xff),
+		  show_statusbyte_name(__entry->result & 0xff))
+);
+
+DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_done,
+	     TP_PROTO(struct scsi_cmnd *cmd),
+	     TP_ARGS(cmd));
+
+DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_timeout,
+	     TP_PROTO(struct scsi_cmnd *cmd),
+	     TP_ARGS(cmd));
+
+TRACE_EVENT(scsi_eh_wakeup,
+
+	TP_PROTO(struct Scsi_Host *shost),
+
+	TP_ARGS(shost),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	host_no	)
+	),
+
+	TP_fast_assign(
+		__entry->host_no	= shost->host_no;
+	),
+
+	TP_printk("host_no=%u", __entry->host_no)
+);
+
+#endif /*  _TRACE_SCSI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 7c4a0ca650b..9cb5df5dc65 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -209,6 +209,7 @@ int trace_seq_putc(struct trace_seq *s, unsigned char c)
 
 	return 1;
 }
+EXPORT_SYMBOL(trace_seq_putc);
 
 int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len)
 {

From c446c1f9907e84d014edb0bf3501f30cb512e06a Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Tue, 23 Mar 2010 01:16:57 -0400
Subject: [PATCH 0602/3638] [SCSI] scsi_trace: Enhance SCSI command tracing

Various SCSI trace enhancements:

 - Display data and protection information scatterlist lengths in the
   trace output

 - Add support for VERIFY and WRITE SAME commands and decode the UNMAP
   bit if applicable

 - Add decoding of the PROTECT field for READ/VERIFY/WRITE/WRITE SAME
   commands as well as the EXPECTED INITIAL REFERENCE TAG field for
   their 32-byte variants

 - Decode READ CAPACITY(16), GET LBA STATUS, and UNMAP

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_trace.c   | 123 ++++++++++++++++++++++++++++++++----
 include/trace/events/scsi.h |  33 +++++++---
 2 files changed, 136 insertions(+), 20 deletions(-)

diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
index 9a3342a2fa3..b587289cfac 100644
--- a/drivers/scsi/scsi_trace.c
+++ b/drivers/scsi/scsi_trace.c
@@ -19,7 +19,8 @@
 #include <linux/trace_seq.h>
 #include <trace/events/scsi.h>
 
-#define SERVICE_ACTION(cdb) ((cdb[8] << 8) | cdb[9])
+#define SERVICE_ACTION16(cdb) (cdb[1] & 0x1f)
+#define SERVICE_ACTION32(cdb) ((cdb[8] << 8) | cdb[9])
 
 static const char *
 scsi_trace_misc(struct trace_seq *, unsigned char *, int);
@@ -55,8 +56,9 @@ scsi_trace_rw10(struct trace_seq *p, unsigned char *cdb, int len)
 	txlen |= (cdb[7] << 8);
 	txlen |=  cdb[8];
 
-	trace_seq_printf(p, "lba=%llu txlen=%llu",
-			 (unsigned long long)lba, (unsigned long long)txlen);
+	trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u",
+			 (unsigned long long)lba, (unsigned long long)txlen,
+			 cdb[1] >> 5);
 	trace_seq_putc(p, 0);
 
 	return ret;
@@ -77,8 +79,9 @@ scsi_trace_rw12(struct trace_seq *p, unsigned char *cdb, int len)
 	txlen |= (cdb[8] << 8);
 	txlen |=  cdb[9];
 
-	trace_seq_printf(p, "lba=%llu txlen=%llu",
-			 (unsigned long long)lba, (unsigned long long)txlen);
+	trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u",
+			 (unsigned long long)lba, (unsigned long long)txlen,
+			 cdb[1] >> 5);
 	trace_seq_putc(p, 0);
 
 	return ret;
@@ -103,8 +106,13 @@ scsi_trace_rw16(struct trace_seq *p, unsigned char *cdb, int len)
 	txlen |= (cdb[12] << 8);
 	txlen |=  cdb[13];
 
-	trace_seq_printf(p, "lba=%llu txlen=%llu",
-			 (unsigned long long)lba, (unsigned long long)txlen);
+	trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u",
+			 (unsigned long long)lba, (unsigned long long)txlen,
+			 cdb[1] >> 5);
+
+	if (cdb[0] == WRITE_SAME_16)
+		trace_seq_printf(p, " unmap=%u", cdb[1] >> 3 & 1);
+
 	trace_seq_putc(p, 0);
 
 	return ret;
@@ -113,8 +121,27 @@ scsi_trace_rw16(struct trace_seq *p, unsigned char *cdb, int len)
 static const char *
 scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len)
 {
-	const char *ret = p->buffer + p->len;
+	const char *ret = p->buffer + p->len, *cmd;
 	sector_t lba = 0, txlen = 0;
+	u32 ei_lbrt = 0;
+
+	switch (SERVICE_ACTION32(cdb)) {
+	case READ_32:
+		cmd = "READ";
+		break;
+	case VERIFY_32:
+		cmd = "VERIFY";
+		break;
+	case WRITE_32:
+		cmd = "WRITE";
+		break;
+	case WRITE_SAME_32:
+		cmd = "WRITE_SAME";
+		break;
+	default:
+		trace_seq_printf(p, "UNKNOWN");
+		goto out;
+	}
 
 	lba |= ((u64)cdb[12] << 56);
 	lba |= ((u64)cdb[13] << 48);
@@ -124,15 +151,76 @@ scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len)
 	lba |= (cdb[17] << 16);
 	lba |= (cdb[18] << 8);
 	lba |=  cdb[19];
+	ei_lbrt |= (cdb[20] << 24);
+	ei_lbrt |= (cdb[21] << 16);
+	ei_lbrt |= (cdb[22] << 8);
+	ei_lbrt |=  cdb[23];
 	txlen |= (cdb[28] << 24);
 	txlen |= (cdb[29] << 16);
 	txlen |= (cdb[30] << 8);
 	txlen |=  cdb[31];
 
-	trace_seq_printf(p, "%s_32 lba=%llu txlen=%llu",
-			(SERVICE_ACTION(cdb) == READ_32 ? "READ" : "WRITE"),
-			(unsigned long long)lba, (unsigned long long)txlen);
+	trace_seq_printf(p, "%s_32 lba=%llu txlen=%llu protect=%u ei_lbrt=%u",
+			 cmd, (unsigned long long)lba,
+			 (unsigned long long)txlen, cdb[10] >> 5, ei_lbrt);
 
+	if (SERVICE_ACTION32(cdb) == WRITE_SAME_32)
+		trace_seq_printf(p, " unmap=%u", cdb[10] >> 3 & 1);
+
+out:
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+
+static const char *
+scsi_trace_unmap(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	const char *ret = p->buffer + p->len;
+	unsigned int regions = cdb[7] << 8 | cdb[8];
+
+	trace_seq_printf(p, "regions=%u", (regions - 8) / 16);
+	trace_seq_putc(p, 0);
+
+	return ret;
+}
+
+static const char *
+scsi_trace_service_action_in(struct trace_seq *p, unsigned char *cdb, int len)
+{
+	const char *ret = p->buffer + p->len, *cmd;
+	sector_t lba = 0;
+	u32 alloc_len = 0;
+
+	switch (SERVICE_ACTION16(cdb)) {
+	case SAI_READ_CAPACITY_16:
+		cmd = "READ_CAPACITY_16";
+		break;
+	case SAI_GET_LBA_STATUS:
+		cmd = "GET_LBA_STATUS";
+		break;
+	default:
+		trace_seq_printf(p, "UNKNOWN");
+		goto out;
+	}
+
+	lba |= ((u64)cdb[2] << 56);
+	lba |= ((u64)cdb[3] << 48);
+	lba |= ((u64)cdb[4] << 40);
+	lba |= ((u64)cdb[5] << 32);
+	lba |= (cdb[6] << 24);
+	lba |= (cdb[7] << 16);
+	lba |= (cdb[8] << 8);
+	lba |=  cdb[9];
+	alloc_len |= (cdb[10] << 24);
+	alloc_len |= (cdb[11] << 16);
+	alloc_len |= (cdb[12] << 8);
+	alloc_len |=  cdb[13];
+
+	trace_seq_printf(p, "%s lba=%llu alloc_len=%u", cmd,
+			 (unsigned long long)lba, alloc_len);
+
+out:
 	trace_seq_putc(p, 0);
 
 	return ret;
@@ -141,9 +229,11 @@ scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len)
 static const char *
 scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len)
 {
-	switch (SERVICE_ACTION(cdb)) {
+	switch (SERVICE_ACTION32(cdb)) {
 	case READ_32:
+	case VERIFY_32:
 	case WRITE_32:
+	case WRITE_SAME_32:
 		return scsi_trace_rw32(p, cdb, len);
 	default:
 		return scsi_trace_misc(p, cdb, len);
@@ -169,14 +259,23 @@ scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len)
 	case WRITE_6:
 		return scsi_trace_rw6(p, cdb, len);
 	case READ_10:
+	case VERIFY:
 	case WRITE_10:
+	case WRITE_SAME:
 		return scsi_trace_rw10(p, cdb, len);
 	case READ_12:
+	case VERIFY_12:
 	case WRITE_12:
 		return scsi_trace_rw12(p, cdb, len);
 	case READ_16:
+	case VERIFY_16:
 	case WRITE_16:
+	case WRITE_SAME_16:
 		return scsi_trace_rw16(p, cdb, len);
+	case UNMAP:
+		return scsi_trace_unmap(p, cdb, len);
+	case SERVICE_ACTION_IN:
+		return scsi_trace_service_action_in(p, cdb, len);
 	case VARIABLE_LENGTH_CMD:
 		return scsi_trace_varlen(p, cdb, len);
 	default:
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
index 76cbf828eb8..25fbefdf2f2 100644
--- a/include/trace/events/scsi.h
+++ b/include/trace/events/scsi.h
@@ -200,6 +200,8 @@ TRACE_EVENT(scsi_dispatch_cmd_start,
 		__field( unsigned int,	lun	)
 		__field( unsigned int,	opcode	)
 		__field( unsigned int,	cmd_len )
+		__field( unsigned int,	data_sglen )
+		__field( unsigned int,	prot_sglen )
 		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
 	),
 
@@ -210,12 +212,16 @@ TRACE_EVENT(scsi_dispatch_cmd_start,
 		__entry->lun		= cmd->device->lun;
 		__entry->opcode		= cmd->cmnd[0];
 		__entry->cmd_len	= cmd->cmd_len;
+		__entry->data_sglen	= scsi_sg_count(cmd);
+		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
 		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
 	),
 
-	TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s)",
+	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
+		  " cmnd=(%s %s raw=%s)",
 		  __entry->host_no, __entry->channel, __entry->id,
-		  __entry->lun, show_opcode_name(__entry->opcode),
+		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
+		  show_opcode_name(__entry->opcode),
 		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
 		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len))
 );
@@ -234,6 +240,8 @@ TRACE_EVENT(scsi_dispatch_cmd_error,
 		__field( int,		rtn	)
 		__field( unsigned int,	opcode	)
 		__field( unsigned int,	cmd_len )
+		__field( unsigned int,	data_sglen )
+		__field( unsigned int,	prot_sglen )
 		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
 	),
 
@@ -245,13 +253,16 @@ TRACE_EVENT(scsi_dispatch_cmd_error,
 		__entry->rtn		= rtn;
 		__entry->opcode		= cmd->cmnd[0];
 		__entry->cmd_len	= cmd->cmd_len;
+		__entry->data_sglen	= scsi_sg_count(cmd);
+		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
 		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
 	),
 
-	TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s)"
-		  " rtn=%d",
+	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
+		  " cmnd=(%s %s raw=%s) rtn=%d",
 		  __entry->host_no, __entry->channel, __entry->id,
-		  __entry->lun, show_opcode_name(__entry->opcode),
+		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
+		  show_opcode_name(__entry->opcode),
 		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
 		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
 		  __entry->rtn)
@@ -271,6 +282,8 @@ DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
 		__field( int,		result	)
 		__field( unsigned int,	opcode	)
 		__field( unsigned int,	cmd_len )
+		__field( unsigned int,	data_sglen )
+		__field( unsigned int,	prot_sglen )
 		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
 	),
 
@@ -282,13 +295,17 @@ DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
 		__entry->result		= cmd->result;
 		__entry->opcode		= cmd->cmnd[0];
 		__entry->cmd_len	= cmd->cmd_len;
+		__entry->data_sglen	= scsi_sg_count(cmd);
+		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
 		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
 	),
 
-	TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s) "
-		  "result=(driver=%s host=%s message=%s status=%s)",
+	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u " \
+		  "prot_sgl=%u cmnd=(%s %s raw=%s) result=(driver=%s host=%s " \
+		  "message=%s status=%s)",
 		  __entry->host_no, __entry->channel, __entry->id,
-		  __entry->lun, show_opcode_name(__entry->opcode),
+		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
+		  show_opcode_name(__entry->opcode),
 		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
 		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
 		  show_driverbyte_name(((__entry->result) >> 24) & 0xff),

From 99fb19d49ecbeb390e023f58867c227a15f422f7 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 22 Mar 2010 15:03:54 +0300
Subject: [PATCH 0603/3638] dlm: cleanup remove unused code

Smatch complains because "lkb" is never NULL.  Looking at it, the original
code actually adds the new element to the end of the list fine, so we can
just get rid of the if condition.  This code is four years old and no one
has complained so it must work.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David Teigland <teigland@redhat.com>
---
 fs/dlm/lock.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 17903b49129..031dbe3a15c 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -733,10 +733,7 @@ static void lkb_add_ordered(struct list_head *new, struct list_head *head,
 		if (lkb->lkb_rqmode < mode)
 			break;
 
-	if (!lkb)
-		list_add_tail(new, head);
-	else
-		__list_add(new, lkb->lkb_statequeue.prev, &lkb->lkb_statequeue);
+	__list_add(new, lkb->lkb_statequeue.prev, &lkb->lkb_statequeue);
 }
 
 /* add/remove lkb to rsb's grant/convert/wait queue */

From 89d799d008710e048ee14df4f4e5441e9f4d5d50 Mon Sep 17 00:00:00 2001
From: David Teigland <teigland@redhat.com>
Date: Thu, 25 Mar 2010 14:23:13 -0500
Subject: [PATCH 0604/3638] dlm: fix ast ordering for user locks

Commit 7fe2b3190b8b299409f13cf3a6f85c2bd371f8bb fixed possible
misordering of completion asts (casts) and blocking asts (basts)
for kernel locks.  This patch does the same for locks taken by
user space applications.

Signed-off-by: David Teigland <teigland@redhat.com>
---
 fs/dlm/user.c | 88 +++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 74 insertions(+), 14 deletions(-)

diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 8b6e73c4743..b6272853130 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -215,6 +215,7 @@ void dlm_user_add_ast(struct dlm_lkb *lkb, int type, int mode)
 	if (!ast_type) {
 		kref_get(&lkb->lkb_ref);
 		list_add_tail(&lkb->lkb_astqueue, &proc->asts);
+		lkb->lkb_ast_first = type;
 		wake_up_interruptible(&proc->wait);
 	}
 	if (type == AST_COMP && (ast_type & AST_COMP))
@@ -223,7 +224,6 @@ void dlm_user_add_ast(struct dlm_lkb *lkb, int type, int mode)
 
 	eol = lkb_is_endoflife(lkb, ua->lksb.sb_status, type);
 	if (eol) {
-		lkb->lkb_ast_type &= ~AST_BAST;
 		lkb->lkb_flags |= DLM_IFL_ENDOFLIFE;
 	}
 
@@ -706,7 +706,7 @@ static int device_close(struct inode *inode, struct file *file)
 }
 
 static int copy_result_to_user(struct dlm_user_args *ua, int compat, int type,
-			       int bmode, char __user *buf, size_t count)
+			       int mode, char __user *buf, size_t count)
 {
 #ifdef CONFIG_COMPAT
 	struct dlm_lock_result32 result32;
@@ -733,7 +733,7 @@ static int copy_result_to_user(struct dlm_user_args *ua, int compat, int type,
 	if (type == AST_BAST) {
 		result.user_astaddr = ua->bastaddr;
 		result.user_astparam = ua->bastparam;
-		result.bast_mode = bmode;
+		result.bast_mode = mode;
 	} else {
 		result.user_astaddr = ua->castaddr;
 		result.user_astparam = ua->castparam;
@@ -801,7 +801,9 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count,
 	struct dlm_user_proc *proc = file->private_data;
 	struct dlm_lkb *lkb;
 	DECLARE_WAITQUEUE(wait, current);
-	int error, type=0, bmode=0, removed = 0;
+	int error = 0, removed;
+	int ret_type, ret_mode;
+	int bastmode, castmode, do_bast, do_cast;
 
 	if (count == sizeof(struct dlm_device_version)) {
 		error = copy_version_to_user(buf, count);
@@ -820,6 +822,8 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count,
 #endif
 		return -EINVAL;
 
+ try_another:
+
 	/* do we really need this? can a read happen after a close? */
 	if (test_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags))
 		return -EINVAL;
@@ -855,13 +859,55 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count,
 
 	lkb = list_entry(proc->asts.next, struct dlm_lkb, lkb_astqueue);
 
-	if (lkb->lkb_ast_type & AST_COMP) {
-		lkb->lkb_ast_type &= ~AST_COMP;
-		type = AST_COMP;
-	} else if (lkb->lkb_ast_type & AST_BAST) {
-		lkb->lkb_ast_type &= ~AST_BAST;
-		type = AST_BAST;
-		bmode = lkb->lkb_bastmode;
+	removed = 0;
+	ret_type = 0;
+	ret_mode = 0;
+	do_bast = lkb->lkb_ast_type & AST_BAST;
+	do_cast = lkb->lkb_ast_type & AST_COMP;
+	bastmode = lkb->lkb_bastmode;
+	castmode = lkb->lkb_castmode;
+
+	/* when both are queued figure out which to do first and
+	   switch first so the other goes in the next read */
+
+	if (do_cast && do_bast) {
+		if (lkb->lkb_ast_first == AST_COMP) {
+			ret_type = AST_COMP;
+			ret_mode = castmode;
+			lkb->lkb_ast_type &= ~AST_COMP;
+			lkb->lkb_ast_first = AST_BAST;
+		} else {
+			ret_type = AST_BAST;
+			ret_mode = bastmode;
+			lkb->lkb_ast_type &= ~AST_BAST;
+			lkb->lkb_ast_first = AST_COMP;
+		}
+	} else {
+		ret_type = lkb->lkb_ast_first;
+		ret_mode = (ret_type == AST_COMP) ? castmode : bastmode;
+		lkb->lkb_ast_type &= ~ret_type;
+		lkb->lkb_ast_first = 0;
+	}
+
+	/* if we're doing a bast but the bast is unnecessary, then
+	   switch to do nothing or do a cast if that was needed next */
+
+	if ((ret_type == AST_BAST) &&
+	    dlm_modes_compat(bastmode, lkb->lkb_castmode_done)) {
+		ret_type = 0;
+		ret_mode = 0;
+
+		if (do_cast) {
+			ret_type = AST_COMP;
+			ret_mode = castmode;
+			lkb->lkb_ast_type &= ~AST_COMP;
+			lkb->lkb_ast_first = 0;
+		}
+	}
+
+	if (lkb->lkb_ast_first != lkb->lkb_ast_type) {
+		log_print("device_read %x ast_first %x ast_type %x",
+			  lkb->lkb_id, lkb->lkb_ast_first, lkb->lkb_ast_type);
 	}
 
 	if (!lkb->lkb_ast_type) {
@@ -870,15 +916,29 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count,
 	}
 	spin_unlock(&proc->asts_spin);
 
-	error = copy_result_to_user(lkb->lkb_ua,
-			 	test_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags),
-				type, bmode, buf, count);
+	if (ret_type) {
+		error = copy_result_to_user(lkb->lkb_ua,
+				test_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags),
+				ret_type, ret_mode, buf, count);
+
+		if (ret_type == AST_COMP)
+			lkb->lkb_castmode_done = castmode;
+		if (ret_type == AST_BAST)
+			lkb->lkb_bastmode_done = bastmode;
+	}
 
 	/* removes reference for the proc->asts lists added by
 	   dlm_user_add_ast() and may result in the lkb being freed */
+
 	if (removed)
 		dlm_put_lkb(lkb);
 
+	/* the bast that was queued was eliminated (see unnecessary above),
+	   leaving nothing to return */
+
+	if (!ret_type)
+		goto try_another;
+
 	return error;
 }
 

From a9083016a5314b3aeba6e0d2e814872e72168c08 Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Mon, 12 Apr 2010 17:59:55 -0700
Subject: [PATCH 0605/3638] [SCSI] qla2xxx: Add ISP82XX support.

Enhanced the driver to support new FCoE host bus adapter.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/Makefile     |    3 +-
 drivers/scsi/qla2xxx/qla_attr.c   |   35 +-
 drivers/scsi/qla2xxx/qla_dbg.c    |    3 +
 drivers/scsi/qla2xxx/qla_def.h    |   54 +-
 drivers/scsi/qla2xxx/qla_gbl.h    |   85 +
 drivers/scsi/qla2xxx/qla_gs.c     |    2 +-
 drivers/scsi/qla2xxx/qla_init.c   |  233 +-
 drivers/scsi/qla2xxx/qla_inline.h |    5 +-
 drivers/scsi/qla2xxx/qla_iocb.c   |   74 +-
 drivers/scsi/qla2xxx/qla_isr.c    |   42 +-
 drivers/scsi/qla2xxx/qla_mbx.c    |  158 +-
 drivers/scsi/qla2xxx/qla_nx.c     | 3635 +++++++++++++++++++++++++++++
 drivers/scsi/qla2xxx/qla_nx.h     |  888 +++++++
 drivers/scsi/qla2xxx/qla_os.c     |  346 ++-
 drivers/scsi/qla2xxx/qla_sup.c    |   80 +-
 15 files changed, 5518 insertions(+), 125 deletions(-)
 create mode 100644 drivers/scsi/qla2xxx/qla_nx.c
 create mode 100644 drivers/scsi/qla2xxx/qla_nx.h

diff --git a/drivers/scsi/qla2xxx/Makefile b/drivers/scsi/qla2xxx/Makefile
index 1014db6f992..5df782f4a09 100644
--- a/drivers/scsi/qla2xxx/Makefile
+++ b/drivers/scsi/qla2xxx/Makefile
@@ -1,4 +1,5 @@
 qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \
-		qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o qla_bsg.o
+		qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o qla_bsg.o \
+        qla_nx.o
 
 obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx.o
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 0710e3c8760..c272af4a76e 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -41,6 +41,12 @@ qla2x00_sysfs_write_fw_dump(struct kobject *kobj,
 	struct qla_hw_data *ha = vha->hw;
 	int reading;
 
+	if (IS_QLA82XX(ha)) {
+		DEBUG2(qla_printk(KERN_INFO, ha,
+			"Firmware dump not supported for ISP82xx\n"));
+		return count;
+	}
+
 	if (off != 0)
 		return (0);
 
@@ -313,8 +319,8 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
 		else if (start == (ha->flt_region_boot * 4) ||
 		    start == (ha->flt_region_fw * 4))
 			valid = 1;
-		else if (IS_QLA25XX(ha) || IS_QLA81XX(ha))
-		    valid = 1;
+		else if (IS_QLA25XX(ha) || IS_QLA8XXX_TYPE(ha))
+			valid = 1;
 		if (!valid) {
 			qla_printk(KERN_WARNING, ha,
 			    "Invalid start region 0x%x/0x%x.\n", start, size);
@@ -517,6 +523,7 @@ qla2x00_sysfs_write_reset(struct kobject *kobj,
 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 	    struct device, kobj)));
 	struct qla_hw_data *ha = vha->hw;
+	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 	int type;
 
 	if (off != 0)
@@ -551,6 +558,20 @@ qla2x00_sysfs_write_reset(struct kobject *kobj,
 			    "MPI reset failed on (%ld).\n", vha->host_no);
 		scsi_unblock_requests(vha->host);
 		break;
+	case 0x2025e:
+		if (!IS_QLA82XX(ha) || vha != base_vha) {
+			qla_printk(KERN_INFO, ha,
+			    "FCoE ctx reset not supported for host%ld.\n",
+			    vha->host_no);
+			return count;
+		}
+
+		qla_printk(KERN_INFO, ha,
+		    "Issuing FCoE CTX reset on host%ld.\n", vha->host_no);
+		set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
+		qla2xxx_wake_dpc(vha);
+		qla2x00_wait_for_fcoe_ctx_reset(vha);
+		break;
 	}
 	return count;
 }
@@ -836,7 +857,7 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
 			continue;
 		if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
 			continue;
-		if (iter->is4GBp_only == 3 && !IS_QLA81XX(vha->hw))
+		if (iter->is4GBp_only == 3 && !(IS_QLA8XXX_TYPE(vha->hw)))
 			continue;
 
 		ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
@@ -860,7 +881,7 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
 			continue;
 		if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
 			continue;
-		if (iter->is4GBp_only == 3 && !IS_QLA81XX(ha))
+		if (iter->is4GBp_only == 3 && !!(IS_QLA8XXX_TYPE(vha->hw)))
 			continue;
 
 		sysfs_remove_bin_file(&host->shost_gendev.kobj,
@@ -1233,7 +1254,7 @@ qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
 {
 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 
-	if (!IS_QLA81XX(vha->hw))
+	if (!IS_QLA8XXX_TYPE(vha->hw))
 		return snprintf(buf, PAGE_SIZE, "\n");
 
 	return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
@@ -1245,7 +1266,7 @@ qla2x00_vn_port_mac_address_show(struct device *dev,
 {
 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 
-	if (!IS_QLA81XX(vha->hw))
+	if (!IS_QLA8XXX_TYPE(vha->hw))
 		return snprintf(buf, PAGE_SIZE, "\n");
 
 	return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
@@ -1922,7 +1943,7 @@ qla2x00_init_host_attr(scsi_qla_host_t *vha)
 	fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
 	fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
 
-	if (IS_QLA81XX(ha))
+	if (IS_QLA8XXX_TYPE(ha))
 		speed = FC_PORTSPEED_10GBIT;
 	else if (IS_QLA25XX(ha))
 		speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index cb2eca4c26d..89bfc119010 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -769,6 +769,9 @@ qla24xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
 	void		*nxt;
 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 
+	if (IS_QLA82XX(ha))
+		return;
+
 	risc_address = ext_mem_cnt = 0;
 	flags = 0;
 
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index c51bd4e5fb4..edb7a704ed7 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -34,6 +34,7 @@
 #include <scsi/scsi_bsg_fc.h>
 
 #include "qla_bsg.h"
+#include "qla_nx.h"
 #define QLA2XXX_DRIVER_NAME  "qla2xxx"
 
 /*
@@ -207,6 +208,7 @@ typedef struct srb {
  * SRB flag definitions
  */
 #define SRB_DMA_VALID		BIT_0	/* Command sent to ISP */
+#define SRB_FCP_CMND_DMA_VALID	BIT_12  /* FCP command in IOCB */
 
 /*
  * SRB extensions.
@@ -417,6 +419,7 @@ typedef union {
 		struct device_reg_2xxx isp;
 		struct device_reg_24xx isp24;
 		struct device_reg_25xxmq isp25mq;
+		struct device_reg_82xx isp82;
 } device_reg_t;
 
 #define ISP_REQ_Q_IN(ha, reg) \
@@ -2112,6 +2115,7 @@ struct isp_operations {
 
 	int (*get_flash_version) (struct scsi_qla_host *, void *);
 	int (*start_scsi) (srb_t *);
+	int (*abort_isp) (struct scsi_qla_host *);
 };
 
 /* MSI-X Support *************************************************************/
@@ -2386,7 +2390,8 @@ struct qla_hw_data {
 #define DT_ISP2532                      BIT_11
 #define DT_ISP8432                      BIT_12
 #define DT_ISP8001			BIT_13
-#define DT_ISP_LAST			(DT_ISP8001 << 1)
+#define DT_ISP8021			BIT_14
+#define DT_ISP_LAST			(DT_ISP8021 << 1)
 
 #define DT_IIDMA                        BIT_26
 #define DT_FWI2                         BIT_27
@@ -2409,6 +2414,7 @@ struct qla_hw_data {
 #define IS_QLA2532(ha)  (DT_MASK(ha) & DT_ISP2532)
 #define IS_QLA8432(ha)  (DT_MASK(ha) & DT_ISP8432)
 #define IS_QLA8001(ha)	(DT_MASK(ha) & DT_ISP8001)
+#define IS_QLA82XX(ha)	(DT_MASK(ha) & DT_ISP8021)
 
 #define IS_QLA23XX(ha)  (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA2322(ha) || \
 			IS_QLA6312(ha) || IS_QLA6322(ha))
@@ -2419,8 +2425,10 @@ struct qla_hw_data {
 #define IS_QLA24XX_TYPE(ha)     (IS_QLA24XX(ha) || IS_QLA54XX(ha) || \
 				IS_QLA84XX(ha))
 #define IS_QLA81XX(ha)		(IS_QLA8001(ha))
+#define IS_QLA8XXX_TYPE(ha)	(IS_QLA81XX(ha) || IS_QLA82XX(ha))
 #define IS_QLA2XXX_MIDTYPE(ha)	(IS_QLA24XX(ha) || IS_QLA84XX(ha) || \
-				IS_QLA25XX(ha) || IS_QLA81XX(ha))
+				IS_QLA25XX(ha) || IS_QLA81XX(ha) || \
+				IS_QLA82XX(ha))
 #define IS_MSIX_NACK_CAPABLE(ha) (IS_QLA81XX(ha))
 #define IS_NOPOLLING_TYPE(ha)	((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && \
 				(ha)->flags.msix_enabled)
@@ -2603,6 +2611,7 @@ struct qla_hw_data {
 	uint32_t        flt_region_npiv_conf;
 	uint32_t	flt_region_gold_fw;
 	uint32_t	flt_region_fcp_prio;
+	uint32_t	flt_region_bootload;
 
 	/* Needed for BEACON */
 	uint16_t        beacon_blink_led;
@@ -2634,6 +2643,38 @@ struct qla_hw_data {
 
 	/* FCP_CMND priority support */
 	struct qla_fcp_prio_cfg *fcp_prio_cfg;
+
+	struct dma_pool *dl_dma_pool;
+#define DSD_LIST_DMA_POOL_SIZE  512
+
+	struct dma_pool *fcp_cmnd_dma_pool;
+	mempool_t       *ctx_mempool;
+#define FCP_CMND_DMA_POOL_SIZE 512
+
+	unsigned long	nx_pcibase;		/* Base I/O address */
+	uint8_t		*nxdb_rd_ptr;		/* Doorbell read pointer */
+	unsigned long	nxdb_wr_ptr;		/* Door bell write pointer */
+	unsigned long	first_page_group_start;
+	unsigned long	first_page_group_end;
+
+	uint32_t	crb_win;
+	uint32_t	curr_window;
+	uint32_t	ddr_mn_window;
+	unsigned long	mn_win_crb;
+	unsigned long	ms_win_crb;
+	int		qdr_sn_window;
+	uint32_t	nx_dev_init_timeout;
+	uint32_t	nx_reset_timeout;
+	rwlock_t	hw_lock;
+	uint16_t	portnum;		/* port number */
+	int		link_width;
+	struct fw_blob	*hablob;
+	struct qla82xx_legacy_intr_set nx_legacy_intr;
+
+	uint16_t	gbl_dsd_inuse;
+	uint16_t	gbl_dsd_avail;
+	struct list_head gbl_dsd_list;
+#define NUM_DSD_CHAIN 4096
 };
 
 /*
@@ -2686,10 +2727,13 @@ typedef struct scsi_qla_host {
 #define VP_DPC_NEEDED		14	/* wake up for VP dpc handling */
 #define UNLOADING		15
 #define NPIV_CONFIG_NEEDED	16
+#define ISP_UNRECOVERABLE	17
+#define FCOE_CTX_RESET_NEEDED	18	/* Initiate FCoE context reset */
 
 	uint32_t	device_flags;
 #define SWITCH_FOUND		BIT_0
 #define DFLG_NO_CABLE		BIT_1
+#define DFLG_DEV_FAILED		BIT_5
 
 	/* ISP configuration data. */
 	uint16_t	loop_id;		/* Host adapter loop id */
@@ -2747,6 +2791,8 @@ typedef struct scsi_qla_host {
 #define VP_ERR_ADAP_NORESOURCES	5
 	struct qla_hw_data *hw;
 	struct req_que *req;
+	int		fw_heartbeat_counter;
+	int		seconds_since_last_heartbeat;
 } scsi_qla_host_t;
 
 /*
@@ -2799,6 +2845,10 @@ typedef struct scsi_qla_host {
 #define OPTROM_SIZE_24XX	0x100000
 #define OPTROM_SIZE_25XX	0x200000
 #define OPTROM_SIZE_81XX	0x400000
+#define OPTROM_SIZE_82XX	0x800000
+
+#define OPTROM_BURST_SIZE	0x1000
+#define OPTROM_BURST_DWORDS	(OPTROM_BURST_SIZE / 4)
 
 #include "qla_gbl.h"
 #include "qla_dbg.h"
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 5efd4c05c79..cff5a4ae762 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -44,6 +44,7 @@ extern int qla2x00_local_device_login(scsi_qla_host_t *, fc_port_t *);
 extern void qla2x00_update_fcports(scsi_qla_host_t *);
 
 extern int qla2x00_abort_isp(scsi_qla_host_t *);
+extern void qla2x00_abort_isp_cleanup(scsi_qla_host_t *);
 
 extern void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
 
@@ -79,6 +80,9 @@ extern int ql2xmaxqueues;
 extern int ql2xmultique_tag;
 extern int ql2xfwloadbin;
 extern int ql2xetsenable;
+extern int ql2xshiftctondsd;
+extern int ql2xdbwr;
+extern int ql2xdontresethba;
 
 extern int qla2x00_loop_reset(scsi_qla_host_t *);
 extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
@@ -135,6 +139,7 @@ extern struct fw_blob *qla2x00_request_firmware(scsi_qla_host_t *);
 
 extern int qla2x00_wait_for_hba_online(scsi_qla_host_t *);
 extern int qla2x00_wait_for_chip_reset(scsi_qla_host_t *);
+extern int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *);
 
 extern void qla2xxx_wake_dpc(struct scsi_qla_host *);
 extern void qla2x00_alert_all_vps(struct rsp_que *, uint16_t *);
@@ -157,6 +162,9 @@ int __qla2x00_marker(struct scsi_qla_host *, struct req_que *, struct rsp_que *,
 						uint16_t, uint16_t, uint8_t);
 extern int qla2x00_start_sp(srb_t *);
 extern void qla2x00_ctx_sp_free(srb_t *);
+extern uint16_t qla24xx_calc_iocbs(uint16_t);
+extern void qla24xx_build_scsi_iocbs(srb_t *, struct cmd_type_7 *, uint16_t);
+
 
 /*
  * Global Function Prototypes in qla_mbx.c source file.
@@ -343,6 +351,7 @@ qla24xx_process_response_queue(struct scsi_qla_host *, struct rsp_que *);
 extern int qla2x00_request_irqs(struct qla_hw_data *, struct rsp_que *);
 extern void qla2x00_free_irqs(scsi_qla_host_t *);
 
+extern int qla2x00_get_data_rate(scsi_qla_host_t *);
 /*
  * Global Function Prototypes in qla_sup.c source file.
  */
@@ -466,6 +475,82 @@ extern void qla25xx_wrt_req_reg(struct qla_hw_data *, uint16_t, uint16_t);
 extern void qla25xx_wrt_rsp_reg(struct qla_hw_data *, uint16_t, uint16_t);
 extern void qla24xx_wrt_rsp_reg(struct qla_hw_data *, uint16_t, uint16_t);
 
+/* qla82xx related functions */
+
+/* PCI related functions */
+extern int qla82xx_pci_config(struct scsi_qla_host *);
+extern int qla82xx_pci_mem_read_2M(struct qla_hw_data *, u64, void *, int);
+extern int qla82xx_pci_mem_write_2M(struct qla_hw_data *, u64, void *, int);
+extern char *qla82xx_pci_info_str(struct scsi_qla_host *, char *);
+extern int qla82xx_pci_region_offset(struct pci_dev *, int);
+extern int qla82xx_pci_region_len(struct pci_dev *, int);
+extern int qla82xx_iospace_config(struct qla_hw_data *);
+
+/* Initialization related functions */
+extern void qla82xx_reset_chip(struct scsi_qla_host *);
+extern void qla82xx_config_rings(struct scsi_qla_host *);
+extern int qla82xx_nvram_config(struct scsi_qla_host *);
+extern int qla82xx_pinit_from_rom(scsi_qla_host_t *);
+extern int qla82xx_load_firmware(scsi_qla_host_t *);
+extern int qla82xx_reset_hw(scsi_qla_host_t *);
+extern int qla82xx_load_risc_blob(scsi_qla_host_t *, uint32_t *);
+extern void qla82xx_watchdog(scsi_qla_host_t *);
+
+/* Firmware and flash related functions */
+extern int qla82xx_load_risc(scsi_qla_host_t *, uint32_t *);
+extern uint8_t *qla82xx_read_optrom_data(struct scsi_qla_host *, uint8_t *,
+    uint32_t, uint32_t);
+extern int qla82xx_write_optrom_data(struct scsi_qla_host *, uint8_t *,
+    uint32_t, uint32_t);
+
+/* Mailbox related functions */
+extern int qla82xx_abort_isp(scsi_qla_host_t *);
+extern int qla82xx_restart_isp(scsi_qla_host_t *);
+
+/* IOCB related functions */
+extern int qla82xx_start_scsi(srb_t *);
+
+/* Interrupt related */
+extern irqreturn_t qla82xx_intr_handler(int, void *);
+extern irqreturn_t qla82xx_msi_handler(int, void *);
+extern irqreturn_t qla82xx_msix_default(int, void *);
+extern irqreturn_t qla82xx_msix_rsp_q(int, void *);
+extern void qla82xx_enable_intrs(struct qla_hw_data *);
+extern void qla82xx_disable_intrs(struct qla_hw_data *);
+extern void qla82xx_mbx_completion(scsi_qla_host_t *, uint16_t);
+extern void qla82xx_poll(int, void *);
+extern void qla82xx_init_flags(struct qla_hw_data *);
+
+/* ISP 8021 hardware related */
+extern int qla82xx_crb_win_lock(struct qla_hw_data *);
+extern void qla82xx_crb_win_unlock(struct qla_hw_data *);
+extern int qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *, ulong *);
+extern int qla82xx_wr_32(struct qla_hw_data *, ulong, u32);
+extern int qla82xx_rd_32(struct qla_hw_data *, ulong);
+extern int qla82xx_rdmem(struct qla_hw_data *, u64, void *, int);
+extern int qla82xx_wrmem(struct qla_hw_data *, u64, void *, int);
+extern int qla82xx_check_for_bad_spd(struct qla_hw_data *);
+extern int qla82xx_load_fw(scsi_qla_host_t *);
+extern int qla82xx_rom_lock(struct qla_hw_data *);
+extern void qla82xx_rom_unlock(struct qla_hw_data *);
+extern int qla82xx_rom_fast_read(struct qla_hw_data *, int , int *);
+extern int qla82xx_do_rom_fast_read(struct qla_hw_data *, int, int *);
+extern unsigned long qla82xx_decode_crb_addr(unsigned long);
+
+/* ISP 8021 IDC */
+extern void qla82xx_clear_drv_active(struct qla_hw_data *);
+extern int qla82xx_idc_lock(struct qla_hw_data *);
+extern void qla82xx_idc_unlock(struct qla_hw_data *);
+extern int qla82xx_device_state_handler(scsi_qla_host_t *);
+
+extern void qla2x00_set_model_info(scsi_qla_host_t *, uint8_t *,
+    size_t, char *);
+extern int qla82xx_mbx_intr_enable(scsi_qla_host_t *);
+extern int qla82xx_mbx_intr_disable(scsi_qla_host_t *);
+extern void qla82xx_start_iocbs(srb_t *);
+extern int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *);
+extern void qla82xx_wait_for_pending_commands(scsi_qla_host_t *);
+
 /* BSG related functions */
 extern int qla24xx_bsg_request(struct fc_bsg_job *);
 extern int qla24xx_bsg_timeout(struct fc_bsg_job *);
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 4647015eba6..872c55f049a 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -1535,7 +1535,7 @@ qla2x00_fdmi_rpa(scsi_qla_host_t *vha)
 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
 	eiter->len = __constant_cpu_to_be16(4 + 4);
-	if (IS_QLA81XX(ha))
+	if (IS_QLA8XXX_TYPE(ha))
 		eiter->a.sup_speed = __constant_cpu_to_be32(
 		    FDMI_PORT_SPEED_10GB);
 	else if (IS_QLA25XX(ha))
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 8517aa49744..55540d2d4e3 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -328,6 +328,7 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 		if (rval)
 			return (rval);
 	}
+
 	if (IS_QLA84XX(ha)) {
 		ha->cs84xx = qla84xx_get_chip(vha);
 		if (!ha->cs84xx) {
@@ -961,6 +962,9 @@ qla24xx_chip_diag(scsi_qla_host_t *vha)
 	struct qla_hw_data *ha = vha->hw;
 	struct req_que *req = ha->req_q_map[0];
 
+	if (IS_QLA82XX(ha))
+		return QLA_SUCCESS;
+
 	ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 
 	rval = qla2x00_mbx_reg_test(vha);
@@ -1183,6 +1187,12 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
 	unsigned long flags;
 	uint16_t fw_major_version;
 
+	if (IS_QLA82XX(ha)) {
+		rval = ha->isp_ops->load_risc(vha, &srisc_address);
+		if (rval == QLA_SUCCESS)
+			goto enable_82xx_npiv;
+	}
+
 	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
 		/* Disable SRAM, Instruction RAM and GP RAM parity.  */
 		spin_lock_irqsave(&ha->hardware_lock, flags);
@@ -1208,6 +1218,7 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
 			rval = qla2x00_execute_fw(vha, srisc_address);
 			/* Retrieve firmware information. */
 			if (rval == QLA_SUCCESS) {
+enable_82xx_npiv:
 				fw_major_version = ha->fw_major_version;
 				rval = qla2x00_get_fw_version(vha,
 				    &ha->fw_major_version,
@@ -1232,8 +1243,10 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
 				    &ha->fw_xcb_count, NULL, NULL,
 				    &ha->max_npiv_vports, NULL);
 
-				if (!fw_major_version && ql2xallocfwdump)
-					qla2x00_alloc_fw_dump(vha);
+				if (!fw_major_version && ql2xallocfwdump) {
+					if (!IS_QLA82XX(ha))
+						qla2x00_alloc_fw_dump(vha);
+				}
 			}
 		} else {
 			DEBUG2(printk(KERN_INFO
@@ -1390,6 +1403,9 @@ qla24xx_update_fw_options(scsi_qla_host_t *vha)
 	int rval;
 	struct qla_hw_data *ha = vha->hw;
 
+	if (IS_QLA82XX(ha))
+		return;
+
 	/* Update Serial Link options. */
 	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
 		return;
@@ -1824,7 +1840,7 @@ qla2x00_configure_hba(scsi_qla_host_t *vha)
 	return(rval);
 }
 
-static inline void
+inline void
 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
 	char *def)
 {
@@ -1832,7 +1848,7 @@ qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
 	uint16_t index;
 	struct qla_hw_data *ha = vha->hw;
 	int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
-	    !IS_QLA81XX(ha);
+	    !IS_QLA8XXX_TYPE(ha);
 
 	if (memcmp(model, BINZERO, len) != 0) {
 		strncpy(ha->model_number, model, len);
@@ -3552,6 +3568,45 @@ qla2x00_update_fcports(scsi_qla_host_t *base_vha)
 				qla2x00_rport_del(fcport);
 }
 
+void
+qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
+	struct scsi_qla_host *tvp;
+
+	vha->flags.online = 0;
+	ha->flags.chip_reset_done = 0;
+	clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+	ha->qla_stats.total_isp_aborts++;
+
+	qla_printk(KERN_INFO, ha,
+	    "Performing ISP error recovery - ha= %p.\n", ha);
+
+	/* Chip reset does not apply to 82XX */
+	if (!IS_QLA82XX(ha))
+		ha->isp_ops->reset_chip(vha);
+
+	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
+		atomic_set(&vha->loop_state, LOOP_DOWN);
+		qla2x00_mark_all_devices_lost(vha, 0);
+		list_for_each_entry_safe(vp, tvp, &base_vha->hw->vp_list, list)
+			qla2x00_mark_all_devices_lost(vp, 0);
+	} else {
+		if (!atomic_read(&vha->loop_down_timer))
+			atomic_set(&vha->loop_down_timer,
+			    LOOP_DOWN_TIME);
+	}
+
+	/* Make sure for ISP 82XX IO DMA is complete */
+	if (IS_QLA82XX(ha))
+		qla82xx_wait_for_pending_commands(vha);
+
+	/* Requeue all commands in outstanding command list. */
+	qla2x00_abort_all_cmds(vha, DID_RESET << 16);
+}
+
 /*
 *  qla2x00_abort_isp
 *      Resets ISP and aborts all outstanding commands.
@@ -3573,27 +3628,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
 	struct req_que *req = ha->req_q_map[0];
 
 	if (vha->flags.online) {
-		vha->flags.online = 0;
-		ha->flags.chip_reset_done = 0;
-		clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
-		ha->qla_stats.total_isp_aborts++;
-
-		qla_printk(KERN_INFO, ha,
-		    "Performing ISP error recovery - ha= %p.\n", ha);
-		ha->isp_ops->reset_chip(vha);
-
-		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
-		if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
-			atomic_set(&vha->loop_state, LOOP_DOWN);
-			qla2x00_mark_all_devices_lost(vha, 0);
-		} else {
-			if (!atomic_read(&vha->loop_down_timer))
-				atomic_set(&vha->loop_down_timer,
-				    LOOP_DOWN_TIME);
-		}
-
-		/* Requeue all commands in outstanding command list. */
-		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
+		qla2x00_abort_isp_cleanup(vha);
 
 		if (unlikely(pci_channel_offline(ha->pdev) &&
 		    ha->flags.pci_channel_io_perm_failure)) {
@@ -3849,6 +3884,9 @@ qla24xx_reset_adapter(scsi_qla_host_t *vha)
 	struct qla_hw_data *ha = vha->hw;
 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 
+	if (IS_QLA82XX(ha))
+		return;
+
 	vha->flags.online = 0;
 	ha->isp_ops->disable_intrs(ha);
 
@@ -3912,6 +3950,8 @@ qla24xx_nvram_config(scsi_qla_host_t *vha)
 	}
 	ha->nvram_size = sizeof(struct nvram_24xx);
 	ha->vpd_size = FA_NVRAM_VPD_SIZE;
+	if (IS_QLA82XX(ha))
+		ha->vpd_size = FA_VPD_SIZE_82XX;
 
 	/* Get VPD data into cache */
 	ha->vpd = ha->nvram + VPD_OFFSET;
@@ -4775,7 +4815,7 @@ qla81xx_nvram_config(scsi_qla_host_t *vha)
 	 * Setup driver NVRAM options.
 	 */
 	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
-	    "QLE81XX");
+	    "QLE8XXX");
 
 	/* Use alternate WWN? */
 	if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
@@ -4898,6 +4938,147 @@ qla81xx_nvram_config(scsi_qla_host_t *vha)
 	return (rval);
 }
 
+int
+qla82xx_restart_isp(scsi_qla_host_t *vha)
+{
+	int status, rval;
+	uint32_t wait_time;
+	struct qla_hw_data *ha = vha->hw;
+	struct req_que *req = ha->req_q_map[0];
+	struct rsp_que *rsp = ha->rsp_q_map[0];
+	struct scsi_qla_host *vp;
+	struct scsi_qla_host *tvp;
+
+	status = qla2x00_init_rings(vha);
+	if (!status) {
+		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
+		ha->flags.chip_reset_done = 1;
+
+		status = qla2x00_fw_ready(vha);
+		if (!status) {
+			qla_printk(KERN_INFO, ha,
+			"%s(): Start configure loop, "
+			"status = %d\n", __func__, status);
+
+			/* Issue a marker after FW becomes ready. */
+			qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
+
+			vha->flags.online = 1;
+			/* Wait at most MAX_TARGET RSCNs for a stable link. */
+			wait_time = 256;
+			do {
+				clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+				qla2x00_configure_loop(vha);
+				wait_time--;
+			} while (!atomic_read(&vha->loop_down_timer) &&
+			    !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
+			    wait_time &&
+			    (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
+		}
+
+		/* if no cable then assume it's good */
+		if ((vha->device_flags & DFLG_NO_CABLE))
+			status = 0;
+
+		qla_printk(KERN_INFO, ha,
+			"%s(): Configure loop done, status = 0x%x\n",
+			__func__, status);
+	}
+
+	if (!status) {
+		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
+
+		if (!atomic_read(&vha->loop_down_timer)) {
+			/*
+			 * Issue marker command only when we are going
+			 * to start the I/O .
+			 */
+			vha->marker_needed = 1;
+		}
+
+		vha->flags.online = 1;
+
+		ha->isp_ops->enable_intrs(ha);
+
+		ha->isp_abort_cnt = 0;
+		clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
+
+		if (ha->fce) {
+			ha->flags.fce_enabled = 1;
+			memset(ha->fce, 0,
+			    fce_calc_size(ha->fce_bufs));
+			rval = qla2x00_enable_fce_trace(vha,
+			    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
+			    &ha->fce_bufs);
+			if (rval) {
+				qla_printk(KERN_WARNING, ha,
+				    "Unable to reinitialize FCE "
+				    "(%d).\n", rval);
+				ha->flags.fce_enabled = 0;
+			}
+		}
+
+		if (ha->eft) {
+			memset(ha->eft, 0, EFT_SIZE);
+			rval = qla2x00_enable_eft_trace(vha,
+			    ha->eft_dma, EFT_NUM_BUFFERS);
+			if (rval) {
+				qla_printk(KERN_WARNING, ha,
+				    "Unable to reinitialize EFT "
+				    "(%d).\n", rval);
+			}
+		}
+	} else {	/* failed the ISP abort */
+		vha->flags.online = 1;
+		if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+			if (ha->isp_abort_cnt == 0) {
+				qla_printk(KERN_WARNING, ha,
+				    "ISP error recovery failed - "
+				    "board disabled\n");
+				/*
+				 * The next call disables the board
+				 * completely.
+				 */
+				ha->isp_ops->reset_adapter(vha);
+				vha->flags.online = 0;
+				clear_bit(ISP_ABORT_RETRY,
+					&vha->dpc_flags);
+				status = 0;
+			} else { /* schedule another ISP abort */
+				ha->isp_abort_cnt--;
+				qla_printk(KERN_INFO, ha,
+					"qla%ld: ISP abort - "
+					"retry remaining %d\n",
+					vha->host_no, ha->isp_abort_cnt);
+				status = 1;
+			}
+		} else {
+			ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
+			qla_printk(KERN_INFO, ha,
+				"(%ld): ISP error recovery "
+				"- retrying (%d) more times\n",
+				vha->host_no, ha->isp_abort_cnt);
+			set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
+			status = 1;
+		}
+	}
+
+	if (!status) {
+		DEBUG(printk(KERN_INFO
+			"qla82xx_restart_isp(%ld): succeeded.\n",
+			vha->host_no));
+		list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
+			if (vp->vp_idx)
+				qla2x00_vp_abort_isp(vp);
+		}
+	} else {
+		qla_printk(KERN_INFO, ha,
+			"qla82xx_restart_isp: **** FAILED ****\n");
+	}
+
+	return status;
+}
+
 void
 qla81xx_update_fw_options(scsi_qla_host_t *vha)
 {
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index 5e0a7095c9f..ad53c645555 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -37,7 +37,10 @@ qla2x00_poll(struct rsp_que *rsp)
 	unsigned long flags;
 	struct qla_hw_data *ha = rsp->hw;
 	local_irq_save(flags);
-	ha->isp_ops->intr_handler(0, rsp);
+	if (IS_QLA82XX(ha))
+		qla82xx_poll(0, rsp);
+	else
+		ha->isp_ops->intr_handler(0, rsp);
 	local_irq_restore(flags);
 }
 
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 8299a9891bf..d792ae32ed6 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -506,7 +506,10 @@ qla2x00_req_pkt(struct scsi_qla_host *vha, struct req_que *req,
 				cnt = (uint16_t)
 					RD_REG_DWORD(&reg->isp25mq.req_q_out);
 			else {
-				if (IS_FWI2_CAPABLE(ha))
+				if (IS_QLA82XX(ha))
+					cnt = (uint16_t)RD_REG_DWORD(
+					    &reg->isp82.req_q_out);
+				else if (IS_FWI2_CAPABLE(ha))
 					cnt = (uint16_t)RD_REG_DWORD(
 						&reg->isp24.req_q_out);
 				else
@@ -579,11 +582,29 @@ qla2x00_isp_cmd(struct scsi_qla_host *vha, struct req_que *req)
 		req->ring_ptr++;
 
 	/* Set chip new ring index. */
-	if (ha->mqenable) {
+	if (IS_QLA82XX(ha)) {
+		uint32_t dbval = 0x04 | (ha->portnum << 5);
+
+		/* write, read and verify logic */
+		dbval = dbval | (req->id << 8) | (req->ring_index << 16);
+		if (ql2xdbwr)
+			qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
+		else {
+			WRT_REG_DWORD(
+				(unsigned long __iomem *)ha->nxdb_wr_ptr,
+				dbval);
+			wmb();
+			while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
+				WRT_REG_DWORD((unsigned long __iomem *)
+					ha->nxdb_wr_ptr, dbval);
+				wmb();
+			}
+		}
+	} else if (ha->mqenable) {
+		/* Set chip new ring index. */
 		WRT_REG_DWORD(&reg->isp25mq.req_q_in, req->ring_index);
 		RD_REG_DWORD(&ioreg->hccr);
-	}
-	else {
+	} else {
 		if (IS_FWI2_CAPABLE(ha)) {
 			WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
 			RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
@@ -604,7 +625,7 @@ qla2x00_isp_cmd(struct scsi_qla_host *vha, struct req_que *req)
  *
  * Returns the number of IOCB entries needed to store @dsds.
  */
-static inline uint16_t
+inline uint16_t
 qla24xx_calc_iocbs(uint16_t dsds)
 {
 	uint16_t iocbs;
@@ -626,7 +647,7 @@ qla24xx_calc_iocbs(uint16_t dsds)
  * @cmd_pkt: Command type 3 IOCB
  * @tot_dsds: Total number of segments to transfer
  */
-static inline void
+inline void
 qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
     uint16_t tot_dsds)
 {
@@ -931,24 +952,31 @@ qla2x00_start_iocbs(srb_t *sp)
 	device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
 	struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
 
-	/* Adjust ring index. */
-	req->ring_index++;
-	if (req->ring_index == req->length) {
-		req->ring_index = 0;
-		req->ring_ptr = req->ring;
-	} else
-		req->ring_ptr++;
-
-	/* Set chip new ring index. */
-	if (ha->mqenable) {
-		WRT_REG_DWORD(&reg->isp25mq.req_q_in, req->ring_index);
-		RD_REG_DWORD(&ioreg->hccr);
-	} else if (IS_FWI2_CAPABLE(ha)) {
-		WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
-		RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
+	if (IS_QLA82XX(ha)) {
+		qla82xx_start_iocbs(sp);
 	} else {
-		WRT_REG_WORD(ISP_REQ_Q_IN(ha, &reg->isp), req->ring_index);
-		RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
+		/* Adjust ring index. */
+		req->ring_index++;
+		if (req->ring_index == req->length) {
+			req->ring_index = 0;
+			req->ring_ptr = req->ring;
+		} else
+			req->ring_ptr++;
+
+		/* Set chip new ring index. */
+		if (ha->mqenable) {
+			WRT_REG_DWORD(&reg->isp25mq.req_q_in, req->ring_index);
+			RD_REG_DWORD(&ioreg->hccr);
+		} else if (IS_QLA82XX(ha)) {
+			qla82xx_start_iocbs(sp);
+		} else if (IS_FWI2_CAPABLE(ha)) {
+			WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
+			RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
+		} else {
+			WRT_REG_WORD(ISP_REQ_Q_IN(ha, &reg->isp),
+				req->ring_index);
+			RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
+		}
 	}
 }
 
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index db539b0c3da..f1ac62d505d 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -326,7 +326,7 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
 
 	/* Setup to process RIO completion. */
 	handle_cnt = 0;
-	if (IS_QLA81XX(ha))
+	if (IS_QLA8XXX_TYPE(ha))
 		goto skip_rio;
 	switch (mb[0]) {
 	case MBA_SCSI_COMPLETION:
@@ -544,7 +544,7 @@ skip_rio:
 		if (IS_QLA2100(ha))
 			break;
 
-		if (IS_QLA81XX(ha))
+		if (IS_QLA8XXX_TYPE(ha))
 			DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x "
 			    "%04x\n", vha->host_no, mb[1], mb[2], mb[3]));
 		else
@@ -845,7 +845,7 @@ qla2x00_process_completed_request(struct scsi_qla_host *vha,
 		qla2x00_sp_compl(ha, sp);
 	} else {
 		DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion"
-			" handle(%d)\n", vha->host_no, req->id, index));
+			" handle(0x%x)\n", vha->host_no, req->id, index));
 		qla_printk(KERN_WARNING, ha,
 		    "Invalid ISP SCSI completion handle\n");
 
@@ -1337,6 +1337,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 	handle = (uint32_t) LSW(sts->handle);
 	que = MSW(sts->handle);
 	req = ha->req_q_map[que];
+
 	/* Fast path completion. */
 	if (comp_status == CS_COMPLETE && scsi_status == 0) {
 		qla2x00_process_completed_request(vha, req, handle);
@@ -1806,6 +1807,7 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
 	struct rsp_que *rsp)
 {
 	struct sts_entry_24xx *pkt;
+	struct qla_hw_data *ha = vha->hw;
 
 	if (!vha->flags.online)
 		return;
@@ -1866,7 +1868,11 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
 	}
 
 	/* Adjust ring index */
-	WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
+	if (IS_QLA82XX(ha)) {
+		struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
+		WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
+	} else
+		WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
 }
 
 static void
@@ -2169,6 +2175,11 @@ static struct qla_init_msix_entry msix_entries[3] = {
 	{ "qla2xxx (multiq)", qla25xx_msix_rsp_q },
 };
 
+static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
+	{ "qla2xxx (default)", qla82xx_msix_default },
+	{ "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
+};
+
 static void
 qla24xx_disable_msix(struct qla_hw_data *ha)
 {
@@ -2195,7 +2206,7 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
 	struct qla_msix_entry *qentry;
 
 	entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
-					GFP_KERNEL);
+			GFP_KERNEL);
 	if (!entries)
 		return -ENOMEM;
 
@@ -2240,8 +2251,15 @@ msix_failed:
 	/* Enable MSI-X vectors for the base queue */
 	for (i = 0; i < 2; i++) {
 		qentry = &ha->msix_entries[i];
-		ret = request_irq(qentry->vector, msix_entries[i].handler,
-					0, msix_entries[i].name, rsp);
+		if (IS_QLA82XX(ha)) {
+			ret = request_irq(qentry->vector,
+				qla82xx_msix_entries[i].handler,
+				0, qla82xx_msix_entries[i].name, rsp);
+		} else {
+			ret = request_irq(qentry->vector,
+				msix_entries[i].handler,
+				0, msix_entries[i].name, rsp);
+		}
 		if (ret) {
 			qla_printk(KERN_WARNING, ha,
 			"MSI-X: Unable to register handler -- %x/%d.\n",
@@ -2272,7 +2290,7 @@ qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
 
 	/* If possible, enable MSI-X. */
 	if (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
-		!IS_QLA8432(ha) && !IS_QLA8001(ha))
+		!IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha))
 		goto skip_msi;
 
 	if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
@@ -2302,7 +2320,7 @@ qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
 		goto clear_risc_ints;
 	}
 	qla_printk(KERN_WARNING, ha,
-	    "MSI-X: Falling back-to INTa mode -- %d.\n", ret);
+	    "MSI-X: Falling back-to MSI mode -- %d.\n", ret);
 skip_msix:
 
 	if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
@@ -2313,7 +2331,9 @@ skip_msix:
 	if (!ret) {
 		DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n"));
 		ha->flags.msi_enabled = 1;
-	}
+	} else
+		qla_printk(KERN_WARNING, ha,
+		    "MSI-X: Falling back-to INTa mode -- %d.\n", ret);
 skip_msi:
 
 	ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
@@ -2331,7 +2351,7 @@ clear_risc_ints:
 	 * FIXME: Noted that 8014s were being dropped during NK testing.
 	 * Timing deltas during MSI-X/INTa transitions?
 	 */
-	if (IS_QLA81XX(ha))
+	if (IS_QLA81XX(ha) || IS_QLA82XX(ha))
 		goto fail;
 	spin_lock_irq(&ha->hardware_lock);
 	if (IS_FWI2_CAPABLE(ha)) {
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index bce6cd47e3c..2f303322806 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -49,6 +49,14 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 	if (ha->pdev->error_state > pci_channel_io_frozen)
 		return QLA_FUNCTION_TIMEOUT;
 
+	if (vha->device_flags & DFLG_DEV_FAILED) {
+		DEBUG2_3_11(qla_printk(KERN_WARNING, ha,
+			"%s(%ld): Device in failed state, "
+			"timeout MBX Exiting.\n",
+			__func__, base_vha->host_no));
+		return QLA_FUNCTION_TIMEOUT;
+	}
+
 	reg = ha->iobase;
 	io_lock_on = base_vha->flags.init_done;
 
@@ -85,7 +93,9 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 	spin_lock_irqsave(&ha->hardware_lock, flags);
 
 	/* Load mailbox registers. */
-	if (IS_FWI2_CAPABLE(ha))
+	if (IS_QLA82XX(ha))
+		optr = (uint16_t __iomem *)&reg->isp82.mailbox_in[0];
+	else if (IS_FWI2_CAPABLE(ha) && !IS_QLA82XX(ha))
 		optr = (uint16_t __iomem *)&reg->isp24.mailbox0;
 	else
 		optr = (uint16_t __iomem *)MAILBOX_REG(ha, &reg->isp, 0);
@@ -133,7 +143,18 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 	if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
 		set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
 
-		if (IS_FWI2_CAPABLE(ha))
+		if (IS_QLA82XX(ha)) {
+			if (RD_REG_DWORD(&reg->isp82.hint) &
+				HINT_MBX_INT_PENDING) {
+				spin_unlock_irqrestore(&ha->hardware_lock,
+					flags);
+				DEBUG2_3_11(printk(KERN_INFO
+				    "%s(%ld): Pending Mailbox timeout. "
+				    "Exiting.\n", __func__, base_vha->host_no));
+				return QLA_FUNCTION_TIMEOUT;
+			}
+			WRT_REG_DWORD(&reg->isp82.hint, HINT_MBX_INT_PENDING);
+		} else if (IS_FWI2_CAPABLE(ha))
 			WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_SET_HOST_INT);
 		else
 			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
@@ -147,7 +168,18 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 		DEBUG3_11(printk("%s(%ld): cmd=%x POLLING MODE.\n", __func__,
 		    base_vha->host_no, command));
 
-		if (IS_FWI2_CAPABLE(ha))
+		if (IS_QLA82XX(ha)) {
+			if (RD_REG_DWORD(&reg->isp82.hint) &
+				HINT_MBX_INT_PENDING) {
+				spin_unlock_irqrestore(&ha->hardware_lock,
+					flags);
+				DEBUG2_3_11(printk(KERN_INFO
+				    "%s(%ld): Pending Mailbox timeout. "
+				    "Exiting.\n", __func__, base_vha->host_no));
+				return QLA_FUNCTION_TIMEOUT;
+			}
+			WRT_REG_DWORD(&reg->isp82.hint, HINT_MBX_INT_PENDING);
+		} else if (IS_FWI2_CAPABLE(ha))
 			WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_SET_HOST_INT);
 		else
 			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
@@ -264,7 +296,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 
 			set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
 			clear_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
-			if (qla2x00_abort_isp(base_vha)) {
+			if (ha->isp_ops->abort_isp(base_vha)) {
 				/* Failed. retry later. */
 				set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
 			}
@@ -952,7 +984,7 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa,
 	mcp->mb[9] = vha->vp_idx;
 	mcp->out_mb = MBX_9|MBX_0;
 	mcp->in_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
-	if (IS_QLA81XX(vha->hw))
+	if (IS_QLA8XXX_TYPE(vha->hw))
 		mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10;
 	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
@@ -978,7 +1010,7 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa,
 		DEBUG11(printk("qla2x00_get_adapter_id(%ld): done.\n",
 		    vha->host_no));
 
-		if (IS_QLA81XX(vha->hw)) {
+		if (IS_QLA8XXX_TYPE(vha->hw)) {
 			vha->fcoe_vlan_id = mcp->mb[9] & 0xfff;
 			vha->fcoe_fcf_idx = mcp->mb[10];
 			vha->fcoe_vn_port_mac[5] = mcp->mb[11] >> 8;
@@ -1076,6 +1108,10 @@ qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
 	DEBUG11(printk("qla2x00_init_firmware(%ld): entered.\n",
 	    vha->host_no));
 
+	if (IS_QLA82XX(ha) && ql2xdbwr)
+		qla82xx_wr_32(ha, ha->nxdb_wr_ptr,
+			(0x04 | (ha->portnum << 5) | (0 << 8) | (0 << 16)));
+
 	if (ha->flags.npiv_supported)
 		mcp->mb[0] = MBC_MID_INITIALIZE_FIRMWARE;
 	else
@@ -1408,7 +1444,7 @@ qla2x00_lip_reset(scsi_qla_host_t *vha)
 
 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
 
-	if (IS_QLA81XX(vha->hw)) {
+	if (IS_QLA8XXX_TYPE(vha->hw)) {
 		/* Logout across all FCFs. */
 		mcp->mb[0] = MBC_LIP_FULL_LOGIN;
 		mcp->mb[1] = BIT_1;
@@ -2797,7 +2833,7 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
 	mcp->mb[0] = MBC_PORT_PARAMS;
 	mcp->mb[1] = loop_id;
 	mcp->mb[2] = BIT_0;
-	if (IS_QLA81XX(vha->hw))
+	if (IS_QLA8XXX_TYPE(vha->hw))
 		mcp->mb[3] = port_speed & (BIT_5|BIT_4|BIT_3|BIT_2|BIT_1|BIT_0);
 	else
 		mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0);
@@ -3586,7 +3622,7 @@ qla2x00_get_xgmac_stats(scsi_qla_host_t *vha, dma_addr_t stats_dma,
 	mbx_cmd_t mc;
 	mbx_cmd_t *mcp = &mc;
 
-	if (!IS_QLA81XX(vha->hw))
+	if (!IS_QLA8XXX_TYPE(vha->hw))
 		return QLA_FUNCTION_FAILED;
 
 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
@@ -3624,7 +3660,7 @@ qla2x00_get_dcbx_params(scsi_qla_host_t *vha, dma_addr_t tlv_dma,
 	mbx_cmd_t mc;
 	mbx_cmd_t *mcp = &mc;
 
-	if (!IS_QLA81XX(vha->hw))
+	if (!IS_QLA8XXX_TYPE(vha->hw))
 		return QLA_FUNCTION_FAILED;
 
 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
@@ -3685,7 +3721,8 @@ qla2x00_read_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t *data)
 }
 
 int
-qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, uint16_t *mresp)
+qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
+	uint16_t *mresp)
 {
 	int rval;
 	mbx_cmd_t mc;
@@ -3720,7 +3757,7 @@ qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, uint16_t *
 
 	mcp->out_mb = MBX_21|MBX_20|MBX_19|MBX_18|MBX_17|MBX_16|MBX_15|
 	    MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_7|MBX_6|MBX_1|MBX_0;
-	if (IS_QLA81XX(vha->hw))
+	if (IS_QLA8XXX_TYPE(vha->hw))
 		mcp->out_mb |= MBX_2;
 	mcp->in_mb = MBX_19|MBX_18|MBX_3|MBX_2|MBX_1|MBX_0;
 
@@ -3732,9 +3769,11 @@ qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, uint16_t *
 
 	if (rval != QLA_SUCCESS) {
 		DEBUG2(printk(KERN_WARNING
-		    "(%ld): failed=%x mb[0]=0x%x "
-			"mb[1]=0x%x mb[2]=0x%x mb[3]=0x%x mb[18]=0x%x mb[19]=0x%x. \n", vha->host_no, rval,
-			mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], mcp->mb[18], mcp->mb[19]));
+			"(%ld): failed=%x mb[0]=0x%x "
+			"mb[1]=0x%x mb[2]=0x%x mb[3]=0x%x mb[18]=0x%x "
+			"mb[19]=0x%x.\n",
+			vha->host_no, rval, mcp->mb[0], mcp->mb[1], mcp->mb[2],
+			mcp->mb[3], mcp->mb[18], mcp->mb[19]));
 	} else {
 		DEBUG2(printk(KERN_WARNING
 		    "scsi(%ld): done.\n", vha->host_no));
@@ -3748,7 +3787,8 @@ qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, uint16_t *
 }
 
 int
-qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, uint16_t *mresp)
+qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
+	uint16_t *mresp)
 {
 	int rval;
 	mbx_cmd_t mc;
@@ -3760,9 +3800,10 @@ qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, uint16_t *mres
 	memset(mcp->mb, 0 , sizeof(mcp->mb));
 	mcp->mb[0] = MBC_DIAGNOSTIC_ECHO;
 	mcp->mb[1] = mreq->options | BIT_6;	/* BIT_6 specifies 64bit address */
-	if (IS_QLA81XX(ha))
+	if (IS_QLA8XXX_TYPE(ha)) {
 		mcp->mb[1] |= BIT_15;
-	mcp->mb[2] = IS_QLA81XX(ha) ? vha->fcoe_fcf_idx : 0;
+		mcp->mb[2] = vha->fcoe_fcf_idx;
+	}
 	mcp->mb[16] = LSW(mreq->rcv_dma);
 	mcp->mb[17] = MSW(mreq->rcv_dma);
 	mcp->mb[6] = LSW(MSD(mreq->rcv_dma));
@@ -3777,13 +3818,13 @@ qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, uint16_t *mres
 
 	mcp->out_mb = MBX_21|MBX_20|MBX_17|MBX_16|MBX_15|
 	    MBX_14|MBX_10|MBX_7|MBX_6|MBX_1|MBX_0;
-	if (IS_QLA81XX(ha))
+	if (IS_QLA8XXX_TYPE(ha))
 		mcp->out_mb |= MBX_2;
 
 	mcp->in_mb = MBX_0;
-	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha))
+	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA8XXX_TYPE(ha))
 		mcp->in_mb |= MBX_1;
-	if (IS_QLA81XX(ha))
+	if (IS_QLA8XXX_TYPE(ha))
 		mcp->in_mb |= MBX_3;
 
 	mcp->tov = MBX_TOV_SECONDS;
@@ -3875,7 +3916,8 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha)
 	if (!IS_FWI2_CAPABLE(ha))
 		return QLA_FUNCTION_FAILED;
 
-	DEBUG11(printk(KERN_INFO "%s(%ld): entered.\n", __func__, vha->host_no));
+	DEBUG11(qla_printk(KERN_INFO, ha,
+		"%s(%ld): entered.\n", __func__, vha->host_no));
 
 	mcp->mb[0] = MBC_DATA_RATE;
 	mcp->mb[1] = 0;
@@ -3943,3 +3985,75 @@ qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority,
 
 	return rval;
 }
+
+int
+qla82xx_mbx_intr_enable(scsi_qla_host_t *vha)
+{
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+
+	if (!IS_FWI2_CAPABLE(ha))
+		return QLA_FUNCTION_FAILED;
+
+	DEBUG11(qla_printk(KERN_INFO, ha,
+		"%s(%ld): entered.\n", __func__, vha->host_no));
+
+	memset(mcp, 0, sizeof(mbx_cmd_t));
+	mcp->mb[0] = MBC_TOGGLE_INTR;
+	mcp->mb[1] = 1;
+
+	mcp->out_mb = MBX_1|MBX_0;
+	mcp->in_mb = MBX_0;
+	mcp->tov = 30;
+	mcp->flags = 0;
+
+	rval = qla2x00_mailbox_command(vha, mcp);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2_3_11(qla_printk(KERN_WARNING, ha,
+			"%s(%ld): failed=%x mb[0]=%x.\n", __func__,
+			vha->host_no, rval, mcp->mb[0]));
+	} else {
+		DEBUG11(qla_printk(KERN_INFO, ha,
+			"%s(%ld): done.\n", __func__, vha->host_no));
+	}
+
+	return rval;
+}
+
+int
+qla82xx_mbx_intr_disable(scsi_qla_host_t *vha)
+{
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+
+	if (!IS_QLA82XX(ha))
+		return QLA_FUNCTION_FAILED;
+
+	DEBUG11(qla_printk(KERN_INFO, ha,
+		"%s(%ld): entered.\n", __func__, vha->host_no));
+
+	memset(mcp, 0, sizeof(mbx_cmd_t));
+	mcp->mb[0] = MBC_TOGGLE_INTR;
+	mcp->mb[1] = 0;
+
+	mcp->out_mb = MBX_1|MBX_0;
+	mcp->in_mb = MBX_0;
+	mcp->tov = 30;
+	mcp->flags = 0;
+
+	rval = qla2x00_mailbox_command(vha, mcp);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2_3_11(qla_printk(KERN_WARNING, ha,
+			"%s(%ld): failed=%x mb[0]=%x.\n", __func__,
+			vha->host_no, rval, mcp->mb[0]));
+	} else {
+		DEBUG11(qla_printk(KERN_INFO, ha,
+			"%s(%ld): done.\n", __func__, vha->host_no));
+	}
+
+	return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
new file mode 100644
index 00000000000..495ff1ade36
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -0,0 +1,3635 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2008 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#include "qla_def.h"
+#include <linux/delay.h>
+#include <linux/pci.h>
+
+#define MASK(n)			((1ULL<<(n))-1)
+#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \
+	((addr >> 25) & 0x3ff))
+#define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \
+	((addr >> 25) & 0x3ff))
+#define MS_WIN(addr) (addr & 0x0ffc0000)
+#define QLA82XX_PCI_MN_2M   (0)
+#define QLA82XX_PCI_MS_2M   (0x80000)
+#define QLA82XX_PCI_OCM0_2M (0xc0000)
+#define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
+#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
+
+/* CRB window related */
+#define CRB_BLK(off)	((off >> 20) & 0x3f)
+#define CRB_SUBBLK(off)	((off >> 16) & 0xf)
+#define CRB_WINDOW_2M	(0x130060)
+#define QLA82XX_PCI_CAMQM_2M_END	(0x04800800UL)
+#define CRB_HI(off)	((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \
+			((off) & 0xf0000))
+#define QLA82XX_PCI_CAMQM_2M_BASE	(0x000ff800UL)
+#define CRB_INDIRECT_2M	(0x1e0000UL)
+
+static inline void *qla82xx_pci_base_offsetfset(struct qla_hw_data *ha,
+    unsigned long off)
+{
+	if ((off < ha->first_page_group_end) &&
+	    (off >= ha->first_page_group_start))
+		return (void *)(ha->nx_pcibase + off);
+
+	return NULL;
+}
+
+#define MAX_CRB_XFORM 60
+static unsigned long crb_addr_xform[MAX_CRB_XFORM];
+int qla82xx_crb_table_initialized;
+
+#define qla82xx_crb_addr_transform(name) \
+	(crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
+	QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
+
+static void qla82xx_crb_addr_transform_setup(void)
+{
+	qla82xx_crb_addr_transform(XDMA);
+	qla82xx_crb_addr_transform(TIMR);
+	qla82xx_crb_addr_transform(SRE);
+	qla82xx_crb_addr_transform(SQN3);
+	qla82xx_crb_addr_transform(SQN2);
+	qla82xx_crb_addr_transform(SQN1);
+	qla82xx_crb_addr_transform(SQN0);
+	qla82xx_crb_addr_transform(SQS3);
+	qla82xx_crb_addr_transform(SQS2);
+	qla82xx_crb_addr_transform(SQS1);
+	qla82xx_crb_addr_transform(SQS0);
+	qla82xx_crb_addr_transform(RPMX7);
+	qla82xx_crb_addr_transform(RPMX6);
+	qla82xx_crb_addr_transform(RPMX5);
+	qla82xx_crb_addr_transform(RPMX4);
+	qla82xx_crb_addr_transform(RPMX3);
+	qla82xx_crb_addr_transform(RPMX2);
+	qla82xx_crb_addr_transform(RPMX1);
+	qla82xx_crb_addr_transform(RPMX0);
+	qla82xx_crb_addr_transform(ROMUSB);
+	qla82xx_crb_addr_transform(SN);
+	qla82xx_crb_addr_transform(QMN);
+	qla82xx_crb_addr_transform(QMS);
+	qla82xx_crb_addr_transform(PGNI);
+	qla82xx_crb_addr_transform(PGND);
+	qla82xx_crb_addr_transform(PGN3);
+	qla82xx_crb_addr_transform(PGN2);
+	qla82xx_crb_addr_transform(PGN1);
+	qla82xx_crb_addr_transform(PGN0);
+	qla82xx_crb_addr_transform(PGSI);
+	qla82xx_crb_addr_transform(PGSD);
+	qla82xx_crb_addr_transform(PGS3);
+	qla82xx_crb_addr_transform(PGS2);
+	qla82xx_crb_addr_transform(PGS1);
+	qla82xx_crb_addr_transform(PGS0);
+	qla82xx_crb_addr_transform(PS);
+	qla82xx_crb_addr_transform(PH);
+	qla82xx_crb_addr_transform(NIU);
+	qla82xx_crb_addr_transform(I2Q);
+	qla82xx_crb_addr_transform(EG);
+	qla82xx_crb_addr_transform(MN);
+	qla82xx_crb_addr_transform(MS);
+	qla82xx_crb_addr_transform(CAS2);
+	qla82xx_crb_addr_transform(CAS1);
+	qla82xx_crb_addr_transform(CAS0);
+	qla82xx_crb_addr_transform(CAM);
+	qla82xx_crb_addr_transform(C2C1);
+	qla82xx_crb_addr_transform(C2C0);
+	qla82xx_crb_addr_transform(SMB);
+	qla82xx_crb_addr_transform(OCM0);
+	/*
+	 * Used only in P3 just define it for P2 also.
+	 */
+	qla82xx_crb_addr_transform(I2C0);
+
+	qla82xx_crb_table_initialized = 1;
+}
+
+struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
+	{{{0, 0,         0,         0} } },
+	{{{1, 0x0100000, 0x0102000, 0x120000},
+	{1, 0x0110000, 0x0120000, 0x130000},
+	{1, 0x0120000, 0x0122000, 0x124000},
+	{1, 0x0130000, 0x0132000, 0x126000},
+	{1, 0x0140000, 0x0142000, 0x128000},
+	{1, 0x0150000, 0x0152000, 0x12a000},
+	{1, 0x0160000, 0x0170000, 0x110000},
+	{1, 0x0170000, 0x0172000, 0x12e000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{1, 0x01e0000, 0x01e0800, 0x122000},
+	{0, 0x0000000, 0x0000000, 0x000000} } } ,
+	{{{1, 0x0200000, 0x0210000, 0x180000} } },
+	{{{0, 0,         0,         0} } },
+	{{{1, 0x0400000, 0x0401000, 0x169000} } },
+	{{{1, 0x0500000, 0x0510000, 0x140000} } },
+	{{{1, 0x0600000, 0x0610000, 0x1c0000} } },
+	{{{1, 0x0700000, 0x0704000, 0x1b8000} } },
+	{{{1, 0x0800000, 0x0802000, 0x170000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{1, 0x08f0000, 0x08f2000, 0x172000} } },
+	{{{1, 0x0900000, 0x0902000, 0x174000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{1, 0x09f0000, 0x09f2000, 0x176000} } },
+	{{{0, 0x0a00000, 0x0a02000, 0x178000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{1, 0x0af0000, 0x0af2000, 0x17a000} } },
+	{{{0, 0x0b00000, 0x0b02000, 0x17c000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
+	{{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },
+	{{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },
+	{{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },
+	{{{1, 0x0f00000, 0x0f01000, 0x164000} } },
+	{{{0, 0x1000000, 0x1004000, 0x1a8000} } },
+	{{{1, 0x1100000, 0x1101000, 0x160000} } },
+	{{{1, 0x1200000, 0x1201000, 0x161000} } },
+	{{{1, 0x1300000, 0x1301000, 0x162000} } },
+	{{{1, 0x1400000, 0x1401000, 0x163000} } },
+	{{{1, 0x1500000, 0x1501000, 0x165000} } },
+	{{{1, 0x1600000, 0x1601000, 0x166000} } },
+	{{{0, 0,         0,         0} } },
+	{{{0, 0,         0,         0} } },
+	{{{0, 0,         0,         0} } },
+	{{{0, 0,         0,         0} } },
+	{{{0, 0,         0,         0} } },
+	{{{0, 0,         0,         0} } },
+	{{{1, 0x1d00000, 0x1d10000, 0x190000} } },
+	{{{1, 0x1e00000, 0x1e01000, 0x16a000} } },
+	{{{1, 0x1f00000, 0x1f10000, 0x150000} } },
+	{{{0} } },
+	{{{1, 0x2100000, 0x2102000, 0x120000},
+	{1, 0x2110000, 0x2120000, 0x130000},
+	{1, 0x2120000, 0x2122000, 0x124000},
+	{1, 0x2130000, 0x2132000, 0x126000},
+	{1, 0x2140000, 0x2142000, 0x128000},
+	{1, 0x2150000, 0x2152000, 0x12a000},
+	{1, 0x2160000, 0x2170000, 0x110000},
+	{1, 0x2170000, 0x2172000, 0x12e000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000},
+	{0, 0x0000000, 0x0000000, 0x000000} } },
+	{{{1, 0x2200000, 0x2204000, 0x1b0000} } },
+	{{{0} } },
+	{{{0} } },
+	{{{0} } },
+	{{{0} } },
+	{{{0} } },
+	{{{1, 0x2800000, 0x2804000, 0x1a4000} } },
+	{{{1, 0x2900000, 0x2901000, 0x16b000} } },
+	{{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },
+	{{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },
+	{{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },
+	{{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },
+	{{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },
+	{{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },
+	{{{1, 0x3000000, 0x3000400, 0x1adc00} } },
+	{{{0, 0x3100000, 0x3104000, 0x1a8000} } },
+	{{{1, 0x3200000, 0x3204000, 0x1d4000} } },
+	{{{1, 0x3300000, 0x3304000, 0x1a0000} } },
+	{{{0} } },
+	{{{1, 0x3500000, 0x3500400, 0x1ac000} } },
+	{{{1, 0x3600000, 0x3600400, 0x1ae000} } },
+	{{{1, 0x3700000, 0x3700400, 0x1ae400} } },
+	{{{1, 0x3800000, 0x3804000, 0x1d0000} } },
+	{{{1, 0x3900000, 0x3904000, 0x1b4000} } },
+	{{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },
+	{{{0} } },
+	{{{0} } },
+	{{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },
+	{{{1, 0x3e00000, 0x3e01000, 0x167000} } },
+	{{{1, 0x3f00000, 0x3f01000, 0x168000} } }
+};
+
+/*
+ * top 12 bits of crb internal address (hub, agent)
+ */
+unsigned qla82xx_crb_hub_agt[64] = {
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
+	0,
+	0,
+	0,
+	0,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
+	0,
+	QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
+	0,
+};
+
+/*
+ * In: 'off' is offset from CRB space in 128M pci map
+ * Out: 'off' is 2M pci map addr
+ * side effect: lock crb window
+ */
+static void
+qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong *off)
+{
+	u32 win_read;
+
+	ha->crb_win = CRB_HI(*off);
+	writel(ha->crb_win,
+		(void *)(CRB_WINDOW_2M + ha->nx_pcibase));
+
+	/* Read back value to make sure write has gone through before trying
+	 * to use it.
+	 */
+	win_read = RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
+	if (win_read != ha->crb_win) {
+		DEBUG2(qla_printk(KERN_INFO, ha,
+		    "%s: Written crbwin (0x%x) != Read crbwin (0x%x), "
+		    "off=0x%lx\n", __func__, ha->crb_win, win_read, *off));
+	}
+	*off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
+}
+
+static inline unsigned long
+qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
+{
+	/* See if we are currently pointing to the region we want to use next */
+	if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) {
+		/* No need to change window. PCIX and PCIEregs are in both
+		 * regs are in both windows.
+		 */
+		return off;
+	}
+
+	if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
+		/* We are in first CRB window */
+		if (ha->curr_window != 0)
+			WARN_ON(1);
+		return off;
+	}
+
+	if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) {
+		/* We are in second CRB window */
+		off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST;
+
+		if (ha->curr_window != 1)
+			return off;
+
+		/* We are in the QM or direct access
+		 * register region - do nothing
+		 */
+		if ((off >= QLA82XX_PCI_DIRECT_CRB) &&
+			(off < QLA82XX_PCI_CAMQM_MAX))
+			return off;
+	}
+	/* strange address given */
+	qla_printk(KERN_WARNING, ha,
+		"%s: Warning: unm_nic_pci_set_crbwindow called with"
+		" an unknown address(%llx)\n", QLA2XXX_DRIVER_NAME, off);
+	return off;
+}
+
+int
+qla82xx_wr_32(struct qla_hw_data *ha, ulong off, u32 data)
+{
+	unsigned long flags = 0;
+	int rv;
+
+	rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
+
+	BUG_ON(rv == -1);
+
+	if (rv == 1) {
+		write_lock_irqsave(&ha->hw_lock, flags);
+		qla82xx_crb_win_lock(ha);
+		qla82xx_pci_set_crbwindow_2M(ha, &off);
+	}
+
+	writel(data, (void __iomem *)off);
+
+	if (rv == 1) {
+		qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
+		write_unlock_irqrestore(&ha->hw_lock, flags);
+	}
+	return 0;
+}
+
+int
+qla82xx_rd_32(struct qla_hw_data *ha, ulong off)
+{
+	unsigned long flags = 0;
+	int rv;
+	u32 data;
+
+	rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
+
+	BUG_ON(rv == -1);
+
+	if (rv == 1) {
+		write_lock_irqsave(&ha->hw_lock, flags);
+		qla82xx_crb_win_lock(ha);
+		qla82xx_pci_set_crbwindow_2M(ha, &off);
+	}
+	data = RD_REG_DWORD((void __iomem *)off);
+
+	if (rv == 1) {
+		qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
+		write_unlock_irqrestore(&ha->hw_lock, flags);
+	}
+	return data;
+}
+
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+int qla82xx_crb_win_lock(struct qla_hw_data *ha)
+{
+	int done = 0, timeout = 0;
+
+	while (!done) {
+		/* acquire semaphore3 from PCI HW block */
+		done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
+		if (done == 1)
+			break;
+		if (timeout >= CRB_WIN_LOCK_TIMEOUT)
+			return -1;
+		timeout++;
+	}
+	qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum);
+	return 0;
+}
+
+#define IDC_LOCK_TIMEOUT 100000000
+int qla82xx_idc_lock(struct qla_hw_data *ha)
+{
+	int i;
+	int done = 0, timeout = 0;
+
+	while (!done) {
+		/* acquire semaphore5 from PCI HW block */
+		done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
+		if (done == 1)
+			break;
+		if (timeout >= IDC_LOCK_TIMEOUT)
+			return -1;
+
+		timeout++;
+
+		/* Yield CPU */
+		if (!in_interrupt())
+			schedule();
+		else {
+			for (i = 0; i < 20; i++)
+				cpu_relax();
+		}
+	}
+
+	return 0;
+}
+
+void qla82xx_idc_unlock(struct qla_hw_data *ha)
+{
+	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
+}
+
+int
+qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong *off)
+{
+	struct crb_128M_2M_sub_block_map *m;
+
+	if (*off >= QLA82XX_CRB_MAX)
+		return -1;
+
+	if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) {
+		*off = (*off - QLA82XX_PCI_CAMQM) +
+		    QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
+		return 0;
+	}
+
+	if (*off < QLA82XX_PCI_CRBSPACE)
+		return -1;
+
+	*off -= QLA82XX_PCI_CRBSPACE;
+
+	/* Try direct map */
+	m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
+
+	if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
+		*off = *off + m->start_2M - m->start_128M + ha->nx_pcibase;
+		return 0;
+	}
+	/* Not in direct map, use crb window */
+	return 1;
+}
+
+/*  PCI Windowing for DDR regions.  */
+#define QLA82XX_ADDR_IN_RANGE(addr, low, high) \
+	(((addr) <= (high)) && ((addr) >= (low)))
+/*
+ * check memory access boundary.
+ * used by test agent. support ddr access only for now
+ */
+static unsigned long
+qla82xx_pci_mem_bound_check(struct qla_hw_data *ha,
+	unsigned long long addr, int size)
+{
+	if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+		QLA82XX_ADDR_DDR_NET_MAX) ||
+		!QLA82XX_ADDR_IN_RANGE(addr + size - 1, QLA82XX_ADDR_DDR_NET,
+		QLA82XX_ADDR_DDR_NET_MAX) ||
+		((size != 1) && (size != 2) && (size != 4) && (size != 8)))
+			return 0;
+	else
+		return 1;
+}
+
+int qla82xx_pci_set_window_warning_count;
+
+unsigned long
+qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr)
+{
+	int window;
+	u32 win_read;
+
+	if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+		QLA82XX_ADDR_DDR_NET_MAX)) {
+		/* DDR network side */
+		window = MN_WIN(addr);
+		ha->ddr_mn_window = window;
+		qla82xx_wr_32(ha,
+			ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
+		win_read = qla82xx_rd_32(ha,
+			ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
+		if ((win_read << 17) != window) {
+			qla_printk(KERN_WARNING, ha,
+			    "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n",
+			    __func__, window, win_read);
+		}
+		addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
+	} else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
+		QLA82XX_ADDR_OCM0_MAX)) {
+		unsigned int temp1;
+		if ((addr & 0x00ff800) == 0xff800) {
+			qla_printk(KERN_WARNING, ha,
+			    "%s: QM access not handled.\n", __func__);
+			addr = -1UL;
+		}
+		window = OCM_WIN(addr);
+		ha->ddr_mn_window = window;
+		qla82xx_wr_32(ha,
+			ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
+		win_read = qla82xx_rd_32(ha,
+			ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
+		temp1 = ((window & 0x1FF) << 7) |
+		    ((window & 0x0FFFE0000) >> 17);
+		if (win_read != temp1) {
+			qla_printk(KERN_WARNING, ha,
+			    "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x)\n",
+			    __func__, temp1, win_read);
+		}
+		addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
+
+	} else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
+		QLA82XX_P3_ADDR_QDR_NET_MAX)) {
+		/* QDR network side */
+		window = MS_WIN(addr);
+		ha->qdr_sn_window = window;
+		qla82xx_wr_32(ha,
+			ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window);
+		win_read = qla82xx_rd_32(ha,
+			ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
+		if (win_read != window) {
+			qla_printk(KERN_WARNING, ha,
+			    "%s: Written MSwin (0x%x) != Read MSwin (0x%x)\n",
+			    __func__, window, win_read);
+		}
+		addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
+	} else {
+		/*
+		 * peg gdb frequently accesses memory that doesn't exist,
+		 * this limits the chit chat so debugging isn't slowed down.
+		 */
+		if ((qla82xx_pci_set_window_warning_count++ < 8) ||
+		    (qla82xx_pci_set_window_warning_count%64 == 0)) {
+			qla_printk(KERN_WARNING, ha,
+			    "%s: Warning:%s Unknown address range!\n", __func__,
+			    QLA2XXX_DRIVER_NAME);
+		}
+		addr = -1UL;
+	}
+	return addr;
+}
+
+/* check if address is in the same windows as the previous access */
+static int qla82xx_pci_is_same_window(struct qla_hw_data *ha,
+	unsigned long long addr)
+{
+	int			window;
+	unsigned long long	qdr_max;
+
+	qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
+
+	/* DDR network side */
+	if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+		QLA82XX_ADDR_DDR_NET_MAX))
+		BUG();
+	else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
+		QLA82XX_ADDR_OCM0_MAX))
+		return 1;
+	else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1,
+		QLA82XX_ADDR_OCM1_MAX))
+		return 1;
+	else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) {
+		/* QDR network side */
+		window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
+		if (ha->qdr_sn_window == window)
+			return 1;
+	}
+	return 0;
+}
+
+static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
+	u64 off, void *data, int size)
+{
+	unsigned long   flags;
+	void           *addr;
+	int             ret = 0;
+	u64             start;
+	uint8_t         *mem_ptr = NULL;
+	unsigned long   mem_base;
+	unsigned long   mem_page;
+
+	write_lock_irqsave(&ha->hw_lock, flags);
+
+	/*
+	 * If attempting to access unknown address or straddle hw windows,
+	 * do not access.
+	 */
+	start = qla82xx_pci_set_window(ha, off);
+	if ((start == -1UL) ||
+		(qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
+		write_unlock_irqrestore(&ha->hw_lock, flags);
+		qla_printk(KERN_ERR, ha,
+			"%s out of bound pci memory access. "
+			"offset is 0x%llx\n", QLA2XXX_DRIVER_NAME, off);
+		return -1;
+	}
+
+	addr = qla82xx_pci_base_offsetfset(ha, start);
+	if (!addr) {
+		write_unlock_irqrestore(&ha->hw_lock, flags);
+		mem_base = pci_resource_start(ha->pdev, 0);
+		mem_page = start & PAGE_MASK;
+		/* Map two pages whenever user tries to access addresses in two
+		* consecutive pages.
+		*/
+		if (mem_page != ((start + size - 1) & PAGE_MASK))
+			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
+		else
+			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+		if (mem_ptr == 0UL) {
+			*(u8  *)data = 0;
+			return -1;
+		}
+		addr = mem_ptr;
+		addr += start & (PAGE_SIZE - 1);
+		write_lock_irqsave(&ha->hw_lock, flags);
+	}
+
+	switch (size) {
+	case 1:
+		*(u8  *)data = readb(addr);
+		break;
+	case 2:
+		*(u16 *)data = readw(addr);
+		break;
+	case 4:
+		*(u32 *)data = readl(addr);
+		break;
+	case 8:
+		*(u64 *)data = readq(addr);
+		break;
+	default:
+		ret = -1;
+		break;
+	}
+	write_unlock_irqrestore(&ha->hw_lock, flags);
+
+	if (mem_ptr)
+		iounmap(mem_ptr);
+	return ret;
+}
+
+static int
+qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
+	u64 off, void *data, int size)
+{
+	unsigned long   flags;
+	void           *addr;
+	int             ret = 0;
+	u64             start;
+	uint8_t         *mem_ptr = NULL;
+	unsigned long   mem_base;
+	unsigned long   mem_page;
+
+	write_lock_irqsave(&ha->hw_lock, flags);
+
+	/*
+	 * If attempting to access unknown address or straddle hw windows,
+	 * do not access.
+	 */
+	start = qla82xx_pci_set_window(ha, off);
+	if ((start == -1UL) ||
+		(qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
+		write_unlock_irqrestore(&ha->hw_lock, flags);
+		qla_printk(KERN_ERR, ha,
+			"%s out of bound pci memory access. "
+			"offset is 0x%llx\n", QLA2XXX_DRIVER_NAME, off);
+		return -1;
+	}
+
+	addr = qla82xx_pci_base_offsetfset(ha, start);
+	if (!addr) {
+		write_unlock_irqrestore(&ha->hw_lock, flags);
+		mem_base = pci_resource_start(ha->pdev, 0);
+		mem_page = start & PAGE_MASK;
+		/* Map two pages whenever user tries to access addresses in two
+		 * consecutive pages.
+		 */
+		if (mem_page != ((start + size - 1) & PAGE_MASK))
+			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
+		else
+			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+		if (mem_ptr == 0UL)
+			return -1;
+
+		addr = mem_ptr;
+		addr += start & (PAGE_SIZE - 1);
+		write_lock_irqsave(&ha->hw_lock, flags);
+	}
+
+	switch (size) {
+	case 1:
+		writeb(*(u8  *)data, addr);
+		break;
+	case 2:
+		writew(*(u16 *)data, addr);
+		break;
+	case 4:
+		writel(*(u32 *)data, addr);
+		break;
+	case 8:
+		writeq(*(u64 *)data, addr);
+		break;
+	default:
+		ret = -1;
+		break;
+	}
+	write_unlock_irqrestore(&ha->hw_lock, flags);
+	if (mem_ptr)
+		iounmap(mem_ptr);
+	return ret;
+}
+
+int
+qla82xx_wrmem(struct qla_hw_data *ha, u64 off, void *data, int size)
+{
+	int i, j, ret = 0, loop, sz[2], off0;
+	u32 temp;
+	u64 off8, mem_crb, tmpw, word[2] = {0, 0};
+#define MAX_CTL_CHECK   1000
+	/*
+	 * If not MN, go check for MS or invalid.
+	 */
+	if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) {
+		mem_crb = QLA82XX_CRB_QDR_NET;
+	} else {
+		mem_crb = QLA82XX_CRB_DDR_NET;
+		if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+			return qla82xx_pci_mem_write_direct(ha, off,
+			    data, size);
+	}
+
+	off8 = off & 0xfffffff8;
+	off0 = off & 0x7;
+	sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+	sz[1] = size - sz[0];
+	loop = ((off0 + size - 1) >> 3) + 1;
+
+	if ((size != 8) || (off0 != 0))  {
+		for (i = 0; i < loop; i++) {
+			if (qla82xx_rdmem(ha, off8 + (i << 3), &word[i], 8))
+				return -1;
+		}
+	}
+
+	switch (size) {
+	case 1:
+		tmpw = *((u8 *)data);
+		break;
+	case 2:
+		tmpw = *((u16 *)data);
+		break;
+	case 4:
+		tmpw = *((u32 *)data);
+		break;
+	case 8:
+	default:
+		tmpw = *((u64 *)data);
+		break;
+	}
+
+	word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+	word[0] |= tmpw << (off0 * 8);
+
+	if (loop == 2) {
+		word[1] &= ~(~0ULL << (sz[1] * 8));
+		word[1] |= tmpw >> (sz[0] * 8);
+	}
+
+	for (i = 0; i < loop; i++) {
+		temp = off8 + (i << 3);
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
+		temp = 0;
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
+		temp = word[i] & 0xffffffff;
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
+		temp = (word[i] >> 32) & 0xffffffff;
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
+		temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
+		temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+			if ((temp & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			qla_printk(KERN_WARNING, ha,
+				"%s: Fail to write through agent\n",
+				QLA2XXX_DRIVER_NAME);
+			ret = -1;
+			break;
+		}
+	}
+	return ret;
+}
+
+int
+qla82xx_rdmem(struct qla_hw_data *ha, u64 off, void *data, int size)
+{
+	int i, j = 0, k, start, end, loop, sz[2], off0[2];
+	u32 temp;
+	u64 off8, val, mem_crb, word[2] = {0, 0};
+#define MAX_CTL_CHECK   1000
+
+	/*
+	 * If not MN, go check for MS or invalid.
+	 */
+	if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
+		mem_crb = QLA82XX_CRB_QDR_NET;
+	else {
+		mem_crb = QLA82XX_CRB_DDR_NET;
+		if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+			return qla82xx_pci_mem_read_direct(ha, off,
+				data, size);
+	}
+
+	off8 = off & 0xfffffff8;
+	off0[0] = off & 0x7;
+	off0[1] = 0;
+	sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+	sz[1] = size - sz[0];
+	loop = ((off0[0] + size - 1) >> 3) + 1;
+
+	for (i = 0; i < loop; i++) {
+		temp = off8 + (i << 3);
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
+		temp = 0;
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
+		temp = MIU_TA_CTL_ENABLE;
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+		temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+			if ((temp & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			qla_printk(KERN_INFO, ha,
+				"%s: Fail to read through agent\n",
+				QLA2XXX_DRIVER_NAME);
+			break;
+		}
+
+		start = off0[i] >> 2;
+		end   = (off0[i] + sz[i] - 1) >> 2;
+		for (k = start; k <= end; k++) {
+			temp = qla82xx_rd_32(ha,
+			    mem_crb + MIU_TEST_AGT_RDDATA(k));
+			word[i] |= ((u64)temp << (32 * k));
+		}
+	}
+
+	if (j >= MAX_CTL_CHECK)
+		return -1;
+
+	if (sz[0] == 8) {
+		val = word[0];
+	} else {
+		val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+			((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+	}
+
+	switch (size) {
+	case 1:
+		*(u8  *)data = val;
+		break;
+	case 2:
+		*(u16 *)data = val;
+		break;
+	case 4:
+		*(u32 *)data = val;
+		break;
+	case 8:
+		*(u64 *)data = val;
+		break;
+	}
+	return 0;
+}
+
+#define MTU_FUDGE_FACTOR 100
+unsigned long qla82xx_decode_crb_addr(unsigned long addr)
+{
+	int i;
+	unsigned long base_addr, offset, pci_base;
+
+	if (!qla82xx_crb_table_initialized)
+		qla82xx_crb_addr_transform_setup();
+
+	pci_base = ADDR_ERROR;
+	base_addr = addr & 0xfff00000;
+	offset = addr & 0x000fffff;
+
+	for (i = 0; i < MAX_CRB_XFORM; i++) {
+		if (crb_addr_xform[i] == base_addr) {
+			pci_base = i << 20;
+			break;
+		}
+	}
+	if (pci_base == ADDR_ERROR)
+		return pci_base;
+	return pci_base + offset;
+}
+
+static long rom_max_timeout = 100;
+static long qla82xx_rom_lock_timeout = 100;
+
+int
+qla82xx_rom_lock(struct qla_hw_data *ha)
+{
+	int done = 0, timeout = 0;
+
+	while (!done) {
+		/* acquire semaphore2 from PCI HW block */
+		done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
+		if (done == 1)
+			break;
+		if (timeout >= qla82xx_rom_lock_timeout)
+			return -1;
+		timeout++;
+	}
+	qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
+	return 0;
+}
+
+int
+qla82xx_wait_rom_busy(struct qla_hw_data *ha)
+{
+	long timeout = 0;
+	long done = 0 ;
+
+	while (done == 0) {
+		done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
+		done &= 4;
+		timeout++;
+		if (timeout >= rom_max_timeout) {
+			DEBUG(qla_printk(KERN_INFO, ha,
+				"%s: Timeout reached waiting for rom busy",
+				QLA2XXX_DRIVER_NAME));
+			return -1;
+		}
+	}
+	return 0;
+}
+
+int
+qla82xx_wait_rom_done(struct qla_hw_data *ha)
+{
+	long timeout = 0;
+	long done = 0 ;
+
+	while (done == 0) {
+		done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
+		done &= 2;
+		timeout++;
+		if (timeout >= rom_max_timeout) {
+			DEBUG(qla_printk(KERN_INFO, ha,
+				"%s: Timeout reached  waiting for rom done",
+				QLA2XXX_DRIVER_NAME));
+			return -1;
+		}
+	}
+	return 0;
+}
+
+int
+qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
+{
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb);
+	qla82xx_wait_rom_busy(ha);
+	if (qla82xx_wait_rom_done(ha)) {
+		qla_printk(KERN_WARNING, ha,
+			"%s: Error waiting for rom done\n",
+			QLA2XXX_DRIVER_NAME);
+		return -1;
+	}
+	/* Reset abyte_cnt and dummy_byte_cnt */
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+	udelay(10);
+	cond_resched();
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
+	*valp = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
+	return 0;
+}
+
+int
+qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
+{
+	int ret, loops = 0;
+
+	while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
+		udelay(100);
+		schedule();
+		loops++;
+	}
+	if (loops >= 50000) {
+		qla_printk(KERN_INFO, ha,
+			"%s: qla82xx_rom_lock failed\n",
+			QLA2XXX_DRIVER_NAME);
+		return -1;
+	}
+	ret = qla82xx_do_rom_fast_read(ha, addr, valp);
+	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	return ret;
+}
+
+int
+qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
+{
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR);
+	qla82xx_wait_rom_busy(ha);
+	if (qla82xx_wait_rom_done(ha)) {
+		qla_printk(KERN_WARNING, ha,
+		    "Error waiting for rom done\n");
+		return -1;
+	}
+	*val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
+	return 0;
+}
+
+int
+qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
+{
+	long timeout = 0;
+	uint32_t done = 1 ;
+	uint32_t val;
+	int ret = 0;
+
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
+	while ((done != 0) && (ret == 0)) {
+		ret = qla82xx_read_status_reg(ha, &val);
+		done = val & 1;
+		timeout++;
+		udelay(10);
+		cond_resched();
+		if (timeout >= 50000) {
+			qla_printk(KERN_WARNING, ha,
+			    "Timeout reached  waiting for write finish");
+			return -1;
+		}
+	}
+	return ret;
+}
+
+int
+qla82xx_flash_set_write_enable(struct qla_hw_data *ha)
+{
+	uint32_t val;
+	qla82xx_wait_rom_busy(ha);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN);
+	qla82xx_wait_rom_busy(ha);
+	if (qla82xx_wait_rom_done(ha))
+		return -1;
+	if (qla82xx_read_status_reg(ha, &val) != 0)
+		return -1;
+	if ((val & 2) != 2)
+		return -1;
+	return 0;
+}
+
+int
+qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val)
+{
+	if (qla82xx_flash_set_write_enable(ha))
+		return -1;
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1);
+	if (qla82xx_wait_rom_done(ha)) {
+		qla_printk(KERN_WARNING, ha,
+		    "Error waiting for rom done\n");
+		return -1;
+	}
+	return qla82xx_flash_wait_write_finish(ha);
+}
+
+int
+qla82xx_write_disable_flash(struct qla_hw_data *ha)
+{
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI);
+	if (qla82xx_wait_rom_done(ha)) {
+		qla_printk(KERN_WARNING, ha,
+		    "Error waiting for rom done\n");
+		return -1;
+	}
+	return 0;
+}
+
+int
+ql82xx_rom_lock_d(struct qla_hw_data *ha)
+{
+	int loops = 0;
+	while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
+		udelay(100);
+		cond_resched();
+		loops++;
+	}
+	if (loops >= 50000) {
+		qla_printk(KERN_WARNING, ha, "ROM lock failed\n");
+		return -1;
+	}
+	return 0;;
+}
+
+int
+qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
+	uint32_t data)
+{
+	int ret = 0;
+
+	ret = ql82xx_rom_lock_d(ha);
+	if (ret < 0) {
+		qla_printk(KERN_WARNING, ha, "ROM Lock failed\n");
+		return ret;
+	}
+
+	if (qla82xx_flash_set_write_enable(ha))
+		goto done_write;
+
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP);
+	qla82xx_wait_rom_busy(ha);
+	if (qla82xx_wait_rom_done(ha)) {
+		qla_printk(KERN_WARNING, ha,
+			"Error waiting for rom done\n");
+		ret = -1;
+		goto done_write;
+	}
+
+	ret = qla82xx_flash_wait_write_finish(ha);
+
+done_write:
+	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	return ret;
+}
+
+/* This routine does CRB initialize sequence
+ *  to put the ISP into operational state
+ */
+int qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
+{
+	int addr, val;
+	int i ;
+	struct crb_addr_pair *buf;
+	unsigned long off;
+	unsigned offset, n;
+	struct qla_hw_data *ha = vha->hw;
+
+	struct crb_addr_pair {
+		long addr;
+		long data;
+	};
+
+	/* Halt all the indiviual PEGs and other blocks of the ISP */
+	qla82xx_rom_lock(ha);
+	if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
+		/* don't reset CAM block on reset */
+		qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
+	else
+		qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
+	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+
+	/* Read the signature value from the flash.
+	 * Offset 0: Contain signature (0xcafecafe)
+	 * Offset 4: Offset and number of addr/value pairs
+	 * that present in CRB initialize sequence
+	 */
+	if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
+	    qla82xx_rom_fast_read(ha, 4, &n) != 0) {
+		qla_printk(KERN_WARNING, ha,
+		    "[ERROR] Reading crb_init area: n: %08x\n", n);
+		return -1;
+	}
+
+	/* Offset in flash = lower 16 bits
+	 * Number of enteries = upper 16 bits
+	 */
+	offset = n & 0xffffU;
+	n = (n >> 16) & 0xffffU;
+
+	/* number of addr/value pair should not exceed 1024 enteries */
+	if (n  >= 1024) {
+		qla_printk(KERN_WARNING, ha,
+		    "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n",
+		    QLA2XXX_DRIVER_NAME, __func__, n);
+		return -1;
+	}
+
+	qla_printk(KERN_INFO, ha,
+	    "%s: %d CRB init values found in ROM.\n", QLA2XXX_DRIVER_NAME, n);
+
+	buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
+	if (buf == NULL) {
+		qla_printk(KERN_WARNING, ha,
+		    "%s: [ERROR] Unable to malloc memory.\n",
+		    QLA2XXX_DRIVER_NAME);
+		return -1;
+	}
+
+	for (i = 0; i < n; i++) {
+		if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
+		    qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
+			kfree(buf);
+			return -1;
+		}
+
+		buf[i].addr = addr;
+		buf[i].data = val;
+	}
+
+	for (i = 0; i < n; i++) {
+		/* Translate internal CRB initialization
+		 * address to PCI bus address
+		 */
+		off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
+		    QLA82XX_PCI_CRBSPACE;
+		/* Not all CRB  addr/value pair to be written,
+		 * some of them are skipped
+		 */
+
+		/* skipping cold reboot MAGIC */
+		if (off == QLA82XX_CAM_RAM(0x1fc))
+			continue;
+
+		/* do not reset PCI */
+		if (off == (ROMUSB_GLB + 0xbc))
+			continue;
+
+		/* skip core clock, so that firmware can increase the clock */
+		if (off == (ROMUSB_GLB + 0xc8))
+			continue;
+
+		/* skip the function enable register */
+		if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
+			continue;
+
+		if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
+			continue;
+
+		if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
+			continue;
+
+		if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
+			continue;
+
+		if (off == ADDR_ERROR) {
+			qla_printk(KERN_WARNING, ha,
+			    "%s: [ERROR] Unknown addr: 0x%08lx\n",
+			    QLA2XXX_DRIVER_NAME, buf[i].addr);
+			continue;
+		}
+
+		if (off == (QLA82XX_CRB_PEG_NET_1 + 0x18)) {
+			if (!QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision))
+				buf[i].data = 0x1020;
+		}
+
+		qla82xx_wr_32(ha, off, buf[i].data);
+
+		/* ISP requires much bigger delay to settle down,
+		 * else crb_window returns 0xffffffff
+		 */
+		if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
+			msleep(1000);
+
+		/* ISP requires millisec delay between
+		 * successive CRB register updation
+		 */
+		msleep(1);
+	}
+
+	kfree(buf);
+
+	/* Resetting the data and instruction cache */
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
+
+	/* Clear all protocol processing engines */
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
+	qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
+	return 0;
+}
+
+int qla82xx_check_for_bad_spd(struct qla_hw_data *ha)
+{
+	u32 val = 0;
+	val = qla82xx_rd_32(ha, BOOT_LOADER_DIMM_STATUS);
+	val &= QLA82XX_BOOT_LOADER_MN_ISSUE;
+	if (val & QLA82XX_PEG_TUNE_MN_SPD_ZEROED) {
+		qla_printk(KERN_INFO, ha,
+			"Memory DIMM SPD not programmed. "
+			" Assumed valid.\n");
+		return 1;
+	} else if (val) {
+		qla_printk(KERN_INFO, ha,
+			"Memory DIMM type incorrect.Info:%08X.\n", val);
+		return 2;
+	}
+	return 0;
+}
+
+int
+qla82xx_fw_load_from_flash(struct qla_hw_data *ha)
+{
+	int  i;
+	long size = 0;
+	long flashaddr = BOOTLD_START, memaddr = BOOTLD_START;
+	u64 data;
+	u32 high, low;
+	size = (IMAGE_START - BOOTLD_START) / 8;
+
+	for (i = 0; i < size; i++) {
+		if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
+		    (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
+			return -1;
+		}
+		data = ((u64)high << 32) | low ;
+		qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
+		flashaddr += 8;
+		memaddr += 8;
+
+		if (i % 0x1000 == 0)
+			msleep(1);
+	}
+	udelay(100);
+	read_lock(&ha->hw_lock);
+	if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+		qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
+		qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
+	} else {
+		qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001d);
+	}
+	read_unlock(&ha->hw_lock);
+	return 0;
+}
+
+int
+qla82xx_pci_mem_read_2M(struct qla_hw_data *ha,
+		u64 off, void *data, int size)
+{
+	int i, j = 0, k, start, end, loop, sz[2], off0[2];
+	int	      shift_amount;
+	uint32_t      temp;
+	uint64_t      off8, val, mem_crb, word[2] = {0, 0};
+
+	/*
+	 * If not MN, go check for MS or invalid.
+	 */
+
+	if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
+		mem_crb = QLA82XX_CRB_QDR_NET;
+	else {
+		mem_crb = QLA82XX_CRB_DDR_NET;
+		if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+			return qla82xx_pci_mem_read_direct(ha,
+			    off, data, size);
+	}
+
+	if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+		off8 = off & 0xfffffff0;
+		off0[0] = off & 0xf;
+		sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
+		shift_amount = 4;
+	} else {
+		off8 = off & 0xfffffff8;
+		off0[0] = off & 0x7;
+		sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+		shift_amount = 4;
+	}
+	loop = ((off0[0] + size - 1) >> shift_amount) + 1;
+	off0[1] = 0;
+	sz[1] = size - sz[0];
+
+	/*
+	 * don't lock here - write_wx gets the lock if each time
+	 * write_lock_irqsave(&adapter->adapter_lock, flags);
+	 * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+	 */
+
+	for (i = 0; i < loop; i++) {
+		temp = off8 + (i << shift_amount);
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
+		temp = 0;
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
+		temp = MIU_TA_CTL_ENABLE;
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+		temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+			if ((temp & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			if (printk_ratelimit())
+				dev_err(&ha->pdev->dev,
+				    "failed to read through agent\n");
+			break;
+		}
+
+		start = off0[i] >> 2;
+		end   = (off0[i] + sz[i] - 1) >> 2;
+		for (k = start; k <= end; k++) {
+			temp = qla82xx_rd_32(ha,
+					mem_crb + MIU_TEST_AGT_RDDATA(k));
+			word[i] |= ((uint64_t)temp << (32 * (k & 1)));
+		}
+	}
+
+	/*
+	 * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+	 * write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	 */
+
+	if (j >= MAX_CTL_CHECK)
+		return -1;
+
+	if ((off0[0] & 7) == 0) {
+		val = word[0];
+	} else {
+		val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+			((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+	}
+
+	switch (size) {
+	case 1:
+		*(uint8_t  *)data = val;
+		break;
+	case 2:
+		*(uint16_t *)data = val;
+		break;
+	case 4:
+		*(uint32_t *)data = val;
+		break;
+	case 8:
+		*(uint64_t *)data = val;
+		break;
+	}
+	return 0;
+}
+
+int
+qla82xx_pci_mem_write_2M(struct qla_hw_data *ha,
+		u64 off, void *data, int size)
+{
+	int i, j, ret = 0, loop, sz[2], off0;
+	int scale, shift_amount, p3p, startword;
+	uint32_t temp;
+	uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
+
+	/*
+	 * If not MN, go check for MS or invalid.
+	 */
+	if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
+		mem_crb = QLA82XX_CRB_QDR_NET;
+	else {
+		mem_crb = QLA82XX_CRB_DDR_NET;
+		if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+			return qla82xx_pci_mem_write_direct(ha,
+			    off, data, size);
+	}
+
+	off0 = off & 0x7;
+	sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+	sz[1] = size - sz[0];
+
+	if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+		off8 = off & 0xfffffff0;
+		loop = (((off & 0xf) + size - 1) >> 4) + 1;
+		shift_amount = 4;
+		scale = 2;
+		p3p = 1;
+		startword = (off & 0xf)/8;
+	} else {
+		off8 = off & 0xfffffff8;
+		loop = ((off0 + size - 1) >> 3) + 1;
+		shift_amount = 3;
+		scale = 1;
+		p3p = 0;
+		startword = 0;
+	}
+
+	if (p3p || (size != 8) || (off0 != 0)) {
+		for (i = 0; i < loop; i++) {
+			if (qla82xx_pci_mem_read_2M(ha, off8 +
+			    (i << shift_amount), &word[i * scale], 8))
+				return -1;
+		}
+	}
+
+	switch (size) {
+	case 1:
+		tmpw = *((uint8_t *)data);
+		break;
+	case 2:
+		tmpw = *((uint16_t *)data);
+		break;
+	case 4:
+		tmpw = *((uint32_t *)data);
+		break;
+	case 8:
+	default:
+		tmpw = *((uint64_t *)data);
+		break;
+	}
+
+	if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+		if (sz[0] == 8) {
+			word[startword] = tmpw;
+		} else {
+			word[startword] &=
+				~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+			word[startword] |= tmpw << (off0 * 8);
+		}
+		if (sz[1] != 0) {
+			word[startword+1] &= ~(~0ULL << (sz[1] * 8));
+			word[startword+1] |= tmpw >> (sz[0] * 8);
+		}
+	} else {
+		word[startword] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+		word[startword] |= tmpw << (off0 * 8);
+
+		if (loop == 2) {
+			word[1] &= ~(~0ULL << (sz[1] * 8));
+			word[1] |= tmpw >> (sz[0] * 8);
+		}
+	}
+
+	/*
+	 * don't lock here - write_wx gets the lock if each time
+	 * write_lock_irqsave(&adapter->adapter_lock, flags);
+	 * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+	 */
+	for (i = 0; i < loop; i++) {
+		temp = off8 + (i << shift_amount);
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
+		temp = 0;
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
+		temp = word[i * scale] & 0xffffffff;
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
+		temp = (word[i * scale] >> 32) & 0xffffffff;
+		qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
+		if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+			temp = word[i*scale + 1] & 0xffffffff;
+			qla82xx_wr_32(ha, mem_crb +
+			    MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
+			temp = (word[i*scale + 1] >> 32) & 0xffffffff;
+			qla82xx_wr_32(ha, mem_crb +
+			    MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
+		}
+
+		temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+		temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+		qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+			if ((temp & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			if (printk_ratelimit())
+				dev_err(&ha->pdev->dev,
+				    "failed to write through agent\n");
+			ret = -1;
+			break;
+		}
+	}
+
+	return ret;
+}
+
+/* PCI related functions */
+char *
+qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str)
+{
+	int pcie_reg;
+	struct qla_hw_data *ha = vha->hw;
+	char lwstr[6];
+	uint16_t lnk;
+
+	pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
+	pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk);
+	ha->link_width = (lnk >> 4) & 0x3f;
+
+	strcpy(str, "PCIe (");
+	strcat(str, "2.5Gb/s ");
+	snprintf(lwstr, sizeof(lwstr), "x%d)", ha->link_width);
+	strcat(str, lwstr);
+	return str;
+}
+
+int qla82xx_pci_region_offset(struct pci_dev *pdev, int region)
+{
+	unsigned long val = 0;
+	u32 control;
+
+	switch (region) {
+	case 0:
+		val = 0;
+		break;
+	case 1:
+		pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
+		val = control + QLA82XX_MSIX_TBL_SPACE;
+		break;
+	}
+	return val;
+}
+
+int qla82xx_pci_region_len(struct pci_dev *pdev, int region)
+{
+	unsigned long val = 0;
+	u32 control;
+	switch (region) {
+	case 0:
+		pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
+		val = control;
+		break;
+	case 1:
+		val = pci_resource_len(pdev, 0) -
+		    qla82xx_pci_region_offset(pdev, 1);
+		break;
+	}
+	return val;
+}
+
+int
+qla82xx_iospace_config(struct qla_hw_data *ha)
+{
+	uint32_t len = 0;
+
+	if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
+		qla_printk(KERN_WARNING, ha,
+			"Failed to reserve selected regions (%s)\n",
+			pci_name(ha->pdev));
+		goto iospace_error_exit;
+	}
+
+	/* Use MMIO operations for all accesses. */
+	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
+		qla_printk(KERN_ERR, ha,
+			"region #0 not an MMIO resource (%s), aborting\n",
+			pci_name(ha->pdev));
+		goto iospace_error_exit;
+	}
+
+	len = pci_resource_len(ha->pdev, 0);
+	ha->nx_pcibase =
+	    (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len);
+	if (!ha->nx_pcibase) {
+		qla_printk(KERN_ERR, ha,
+		    "cannot remap pcibase MMIO (%s), aborting\n",
+		    pci_name(ha->pdev));
+		pci_release_regions(ha->pdev);
+		goto iospace_error_exit;
+	}
+
+	/* Mapping of IO base pointer */
+	ha->iobase = (device_reg_t __iomem *)((uint8_t *)ha->nx_pcibase +
+	    0xbc000 + (ha->pdev->devfn << 11));
+
+	if (!ql2xdbwr) {
+		ha->nxdb_wr_ptr =
+		    (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) +
+		    (ha->pdev->devfn << 12)), 4);
+		if (!ha->nxdb_wr_ptr) {
+			qla_printk(KERN_ERR, ha,
+			    "cannot remap MMIO (%s), aborting\n",
+			    pci_name(ha->pdev));
+			pci_release_regions(ha->pdev);
+			goto iospace_error_exit;
+		}
+
+		/* Mapping of IO base pointer,
+		 * door bell read and write pointer
+		 */
+		ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) +
+		    (ha->pdev->devfn * 8);
+	} else {
+		ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ?
+			QLA82XX_CAMRAM_DB1 :
+			QLA82XX_CAMRAM_DB2);
+	}
+
+	ha->max_req_queues = ha->max_rsp_queues = 1;
+	ha->msix_count = ha->max_rsp_queues + 1;
+	return 0;
+
+iospace_error_exit:
+	return -ENOMEM;
+}
+
+/* GS related functions */
+
+/* Initialization related functions */
+
+/**
+ * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+*/
+int
+qla82xx_pci_config(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	int ret;
+
+	pci_set_master(ha->pdev);
+	ret = pci_set_mwi(ha->pdev);
+	ha->chip_revision = ha->pdev->revision;
+	return 0;
+}
+
+/**
+ * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+void
+qla82xx_reset_chip(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	ha->isp_ops->disable_intrs(ha);
+}
+
+void qla82xx_config_rings(struct scsi_qla_host *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
+	struct init_cb_81xx *icb;
+	struct req_que *req = ha->req_q_map[0];
+	struct rsp_que *rsp = ha->rsp_q_map[0];
+
+	/* Setup ring parameters in initialization control block. */
+	icb = (struct init_cb_81xx *)ha->init_cb;
+	icb->request_q_outpointer = __constant_cpu_to_le16(0);
+	icb->response_q_inpointer = __constant_cpu_to_le16(0);
+	icb->request_q_length = cpu_to_le16(req->length);
+	icb->response_q_length = cpu_to_le16(rsp->length);
+	icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
+	icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
+	icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
+	icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
+
+	icb->version = 1;
+	icb->frame_payload_size = 2112;
+	icb->execution_throttle = 8;
+	icb->exchange_count = 128;
+	icb->login_retry_count = 8;
+
+	WRT_REG_DWORD((unsigned long  __iomem *)&reg->req_q_out[0], 0);
+	WRT_REG_DWORD((unsigned long  __iomem *)&reg->rsp_q_in[0], 0);
+	WRT_REG_DWORD((unsigned long  __iomem *)&reg->rsp_q_out[0], 0);
+}
+
+int qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
+{
+	u64 *ptr64;
+	u32 i, flashaddr, size;
+	__le64 data;
+
+	size = (IMAGE_START - BOOTLD_START) / 8;
+
+	ptr64 = (u64 *)&ha->hablob->fw->data[BOOTLD_START];
+	flashaddr = BOOTLD_START;
+
+	for (i = 0; i < size; i++) {
+		data = cpu_to_le64(ptr64[i]);
+		qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8);
+		flashaddr += 8;
+	}
+
+	size = *(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET];
+	size = (__force u32)cpu_to_le32(size) / 8;
+	ptr64 = (u64 *)&ha->hablob->fw->data[IMAGE_START];
+	flashaddr = FLASH_ADDR_START;
+
+	for (i = 0; i < size; i++) {
+		data = cpu_to_le64(ptr64[i]);
+
+		if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
+			return -EIO;
+		flashaddr += 8;
+	}
+
+	/* Write a magic value to CAMRAM register
+	 * at a specified offset to indicate
+	 * that all data is written and
+	 * ready for firmware to initialize.
+	 */
+	qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), 0x12345678);
+
+	if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+		qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
+		qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
+	} else
+		qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001d);
+	return 0;
+}
+
+int qla82xx_check_cmdpeg_state(struct qla_hw_data *ha)
+{
+	u32 val = 0;
+	int retries = 60;
+
+	do {
+		read_lock(&ha->hw_lock);
+		val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
+		read_unlock(&ha->hw_lock);
+
+		switch (val) {
+		case PHAN_INITIALIZE_COMPLETE:
+		case PHAN_INITIALIZE_ACK:
+			return QLA_SUCCESS;
+		case PHAN_INITIALIZE_FAILED:
+			break;
+		default:
+			break;
+		}
+		qla_printk(KERN_WARNING, ha,
+			"CRB_CMDPEG_STATE: 0x%x and retries: 0x%x\n",
+			val, retries);
+
+		msleep(500);
+
+	} while (--retries);
+
+	qla_printk(KERN_INFO, ha,
+	    "Cmd Peg initialization failed: 0x%x.\n", val);
+
+	qla82xx_check_for_bad_spd(ha);
+	val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
+	read_lock(&ha->hw_lock);
+	qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
+	read_unlock(&ha->hw_lock);
+	return QLA_FUNCTION_FAILED;
+}
+
+int qla82xx_check_rcvpeg_state(struct qla_hw_data *ha)
+{
+	u32 val = 0;
+	int retries = 60;
+
+	do {
+		read_lock(&ha->hw_lock);
+		val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
+		read_unlock(&ha->hw_lock);
+
+		switch (val) {
+		case PHAN_INITIALIZE_COMPLETE:
+		case PHAN_INITIALIZE_ACK:
+			return QLA_SUCCESS;
+		case PHAN_INITIALIZE_FAILED:
+			break;
+		default:
+			break;
+		}
+
+		qla_printk(KERN_WARNING, ha,
+			"CRB_RCVPEG_STATE: 0x%x and retries: 0x%x\n",
+			val, retries);
+
+		msleep(500);
+
+	} while (--retries);
+
+	qla_printk(KERN_INFO, ha,
+		"Rcv Peg initialization failed: 0x%x.\n", val);
+	read_lock(&ha->hw_lock);
+	qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED);
+	read_unlock(&ha->hw_lock);
+	return QLA_FUNCTION_FAILED;
+}
+
+/* ISR related functions */
+uint32_t qla82xx_isr_int_target_mask_enable[8] = {
+	ISR_INT_TARGET_MASK, ISR_INT_TARGET_MASK_F1,
+	ISR_INT_TARGET_MASK_F2, ISR_INT_TARGET_MASK_F3,
+	ISR_INT_TARGET_MASK_F4, ISR_INT_TARGET_MASK_F5,
+	ISR_INT_TARGET_MASK_F7, ISR_INT_TARGET_MASK_F7
+};
+
+uint32_t qla82xx_isr_int_target_status[8] = {
+	ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
+	ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
+	ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
+	ISR_INT_TARGET_STATUS_F7, ISR_INT_TARGET_STATUS_F7
+};
+
+static struct qla82xx_legacy_intr_set legacy_intr[] = \
+	QLA82XX_LEGACY_INTR_CONFIG;
+
+/*
+ * qla82xx_mbx_completion() - Process mailbox command completions.
+ * @ha: SCSI driver HA context
+ * @mb0: Mailbox0 register
+ */
+void
+qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
+{
+	uint16_t	cnt;
+	uint16_t __iomem *wptr;
+	struct qla_hw_data *ha = vha->hw;
+	struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
+	wptr = (uint16_t __iomem *)&reg->mailbox_out[1];
+
+	/* Load return mailbox registers. */
+	ha->flags.mbox_int = 1;
+	ha->mailbox_out[0] = mb0;
+
+	for (cnt = 1; cnt < ha->mbx_count; cnt++) {
+		ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
+		wptr++;
+	}
+
+	if (ha->mcp) {
+		DEBUG3_11(printk(KERN_INFO "%s(%ld): "
+			"Got mailbox completion. cmd=%x.\n",
+			__func__, vha->host_no, ha->mcp->mb[0]));
+	} else {
+		qla_printk(KERN_INFO, ha,
+			"%s(%ld): MBX pointer ERROR!\n",
+			__func__, vha->host_no);
+	}
+}
+
+/*
+ * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
+ * @irq:
+ * @dev_id: SCSI driver HA context
+ * @regs:
+ *
+ * Called by system whenever the host adapter generates an interrupt.
+ *
+ * Returns handled flag.
+ */
+irqreturn_t
+qla82xx_intr_handler(int irq, void *dev_id)
+{
+	scsi_qla_host_t	*vha;
+	struct qla_hw_data *ha;
+	struct rsp_que *rsp;
+	struct device_reg_82xx __iomem *reg;
+	int status = 0, status1 = 0;
+	unsigned long	flags;
+	unsigned long	iter;
+	uint32_t	stat;
+	uint16_t	mb[4];
+
+	rsp = (struct rsp_que *) dev_id;
+	if (!rsp) {
+		printk(KERN_INFO
+			"%s(): NULL response queue pointer\n", __func__);
+		return IRQ_NONE;
+	}
+	ha = rsp->hw;
+
+	if (!ha->flags.msi_enabled) {
+		status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
+		if (!(status & ha->nx_legacy_intr.int_vec_bit))
+			return IRQ_NONE;
+
+		status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
+		if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1))
+			return IRQ_NONE;
+	}
+
+	/* clear the interrupt */
+	qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
+
+	/* read twice to ensure write is flushed */
+	qla82xx_rd_32(ha, ISR_INT_VECTOR);
+	qla82xx_rd_32(ha, ISR_INT_VECTOR);
+
+	reg = &ha->iobase->isp82;
+
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	vha = pci_get_drvdata(ha->pdev);
+	for (iter = 1; iter--; ) {
+
+		if (RD_REG_DWORD(&reg->host_int)) {
+			stat = RD_REG_DWORD(&reg->host_status);
+			if (stat & HSRX_RISC_PAUSED) {
+				if (pci_channel_offline(ha->pdev))
+					break;
+
+				qla_printk(KERN_INFO, ha, "RISC paused\n");
+				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+				qla2xxx_wake_dpc(vha);
+				break;
+			} else if ((stat & HSRX_RISC_INT) == 0)
+				break;
+
+			switch (stat & 0xff) {
+			case 0x1:
+			case 0x2:
+			case 0x10:
+			case 0x11:
+				qla82xx_mbx_completion(vha, MSW(stat));
+				status |= MBX_INTERRUPT;
+				break;
+			case 0x12:
+				mb[0] = MSW(stat);
+				mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
+				mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
+				mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
+				qla2x00_async_event(vha, rsp, mb);
+				break;
+			case 0x13:
+				qla24xx_process_response_queue(vha, rsp);
+				break;
+			default:
+				DEBUG2(printk("scsi(%ld): "
+					" Unrecognized interrupt type (%d).\n",
+					vha->host_no, stat & 0xff));
+				break;
+			}
+		}
+		WRT_REG_DWORD(&reg->host_int, 0);
+	}
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	if (!ha->flags.msi_enabled)
+		qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
+
+#ifdef QL_DEBUG_LEVEL_17
+	if (!irq && ha->flags.eeh_busy)
+		qla_printk(KERN_WARNING, ha,
+		    "isr: status %x, cmd_flags %lx, mbox_int %x, stat %x\n",
+		    status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
+#endif
+
+	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+		set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+		complete(&ha->mbx_intr_comp);
+	}
+	return IRQ_HANDLED;
+}
+
+irqreturn_t
+qla82xx_msix_default(int irq, void *dev_id)
+{
+	scsi_qla_host_t	*vha;
+	struct qla_hw_data *ha;
+	struct rsp_que *rsp;
+	struct device_reg_82xx __iomem *reg;
+	int status = 0;
+	unsigned long flags;
+	uint32_t stat;
+	uint16_t mb[4];
+
+	rsp = (struct rsp_que *) dev_id;
+	if (!rsp) {
+		printk(KERN_INFO
+			"%s(): NULL response queue pointer\n", __func__);
+		return IRQ_NONE;
+	}
+	ha = rsp->hw;
+
+	reg = &ha->iobase->isp82;
+
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	vha = pci_get_drvdata(ha->pdev);
+	do {
+		if (RD_REG_DWORD(&reg->host_int)) {
+			stat = RD_REG_DWORD(&reg->host_status);
+			if (stat & HSRX_RISC_PAUSED) {
+				if (pci_channel_offline(ha->pdev))
+					break;
+
+				qla_printk(KERN_INFO, ha, "RISC paused\n");
+				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+				qla2xxx_wake_dpc(vha);
+				break;
+			} else if ((stat & HSRX_RISC_INT) == 0)
+				break;
+
+			switch (stat & 0xff) {
+			case 0x1:
+			case 0x2:
+			case 0x10:
+			case 0x11:
+				qla82xx_mbx_completion(vha, MSW(stat));
+				status |= MBX_INTERRUPT;
+				break;
+			case 0x12:
+				mb[0] = MSW(stat);
+				mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
+				mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
+				mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
+				qla2x00_async_event(vha, rsp, mb);
+				break;
+			case 0x13:
+				qla24xx_process_response_queue(vha, rsp);
+				break;
+			default:
+				DEBUG2(printk("scsi(%ld): "
+					" Unrecognized interrupt type (%d).\n",
+					vha->host_no, stat & 0xff));
+				break;
+			}
+		}
+		WRT_REG_DWORD(&reg->host_int, 0);
+	} while (0);
+
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+#ifdef QL_DEBUG_LEVEL_17
+	if (!irq && ha->flags.eeh_busy)
+		qla_printk(KERN_WARNING, ha,
+			"isr: status %x, cmd_flags %lx, mbox_int %x, stat %x\n",
+			status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
+#endif
+
+	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+		(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+			set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+			complete(&ha->mbx_intr_comp);
+	}
+	return IRQ_HANDLED;
+}
+
+irqreturn_t
+qla82xx_msix_rsp_q(int irq, void *dev_id)
+{
+	scsi_qla_host_t	*vha;
+	struct qla_hw_data *ha;
+	struct rsp_que *rsp;
+	struct device_reg_82xx __iomem *reg;
+
+	rsp = (struct rsp_que *) dev_id;
+	if (!rsp) {
+		printk(KERN_INFO
+			"%s(): NULL response queue pointer\n", __func__);
+		return IRQ_NONE;
+	}
+
+	ha = rsp->hw;
+	reg = &ha->iobase->isp82;
+	spin_lock_irq(&ha->hardware_lock);
+	vha = pci_get_drvdata(ha->pdev);
+	qla24xx_process_response_queue(vha, rsp);
+	WRT_REG_DWORD(&reg->host_int, 0);
+	spin_unlock_irq(&ha->hardware_lock);
+	return IRQ_HANDLED;
+}
+
+void
+qla82xx_poll(int irq, void *dev_id)
+{
+	scsi_qla_host_t	*vha;
+	struct qla_hw_data *ha;
+	struct rsp_que *rsp;
+	struct device_reg_82xx __iomem *reg;
+	int status = 0;
+	uint32_t stat;
+	uint16_t mb[4];
+	unsigned long flags;
+
+	rsp = (struct rsp_que *) dev_id;
+	if (!rsp) {
+		printk(KERN_INFO
+			"%s(): NULL response queue pointer\n", __func__);
+		return;
+	}
+	ha = rsp->hw;
+
+	reg = &ha->iobase->isp82;
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	vha = pci_get_drvdata(ha->pdev);
+
+	if (RD_REG_DWORD(&reg->host_int)) {
+		stat = RD_REG_DWORD(&reg->host_status);
+		switch (stat & 0xff) {
+		case 0x1:
+		case 0x2:
+		case 0x10:
+		case 0x11:
+			qla82xx_mbx_completion(vha, MSW(stat));
+			status |= MBX_INTERRUPT;
+			break;
+		case 0x12:
+			mb[0] = MSW(stat);
+			mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
+			mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
+			mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
+			qla2x00_async_event(vha, rsp, mb);
+			break;
+		case 0x13:
+			qla24xx_process_response_queue(vha, rsp);
+			break;
+		default:
+			DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
+				"(%d).\n",
+				vha->host_no, stat & 0xff));
+			break;
+		}
+	}
+	WRT_REG_DWORD(&reg->host_int, 0);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
+void
+qla82xx_enable_intrs(struct qla_hw_data *ha)
+{
+	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+	qla82xx_mbx_intr_enable(vha);
+	spin_lock_irq(&ha->hardware_lock);
+	qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
+	spin_unlock_irq(&ha->hardware_lock);
+	ha->interrupts_on = 1;
+}
+
+void
+qla82xx_disable_intrs(struct qla_hw_data *ha)
+{
+	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+	qla82xx_mbx_intr_disable(vha);
+	spin_lock_irq(&ha->hardware_lock);
+	qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
+	spin_unlock_irq(&ha->hardware_lock);
+	ha->interrupts_on = 0;
+}
+
+void qla82xx_init_flags(struct qla_hw_data *ha)
+{
+	struct qla82xx_legacy_intr_set *nx_legacy_intr;
+
+	/* ISP 8021 initializations */
+	rwlock_init(&ha->hw_lock);
+	ha->qdr_sn_window = -1;
+	ha->ddr_mn_window = -1;
+	ha->curr_window = 255;
+	ha->portnum = PCI_FUNC(ha->pdev->devfn);
+	nx_legacy_intr = &legacy_intr[ha->portnum];
+	ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
+	ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg;
+	ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
+	ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
+}
+
+static inline void
+qla82xx_set_drv_active(scsi_qla_host_t *vha)
+{
+	uint32_t drv_active;
+	struct qla_hw_data *ha = vha->hw;
+
+	drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+
+	/* If reset value is all FF's, initialize DRV_ACTIVE */
+	if (drv_active == 0xffffffff) {
+		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, 0);
+		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+	}
+	drv_active |= (1 << (ha->portnum * 4));
+	qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
+}
+
+inline void
+qla82xx_clear_drv_active(struct qla_hw_data *ha)
+{
+	uint32_t drv_active;
+
+	drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+	drv_active &= ~(1 << (ha->portnum * 4));
+	qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
+}
+
+static inline int
+qla82xx_need_reset(struct qla_hw_data *ha)
+{
+	uint32_t drv_state;
+	int rval;
+
+	drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+	rval = drv_state & (1 << (ha->portnum * 4));
+	return rval;
+}
+
+static inline void
+qla82xx_set_rst_ready(struct qla_hw_data *ha)
+{
+	uint32_t drv_state;
+	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+
+	drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+
+	/* If reset value is all FF's, initialize DRV_STATE */
+	if (drv_state == 0xffffffff) {
+		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
+		drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+	}
+	drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
+	qla_printk(KERN_INFO, ha,
+		"%s(%ld):drv_state = 0x%x\n",
+		__func__, vha->host_no, drv_state);
+	qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
+}
+
+static inline void
+qla82xx_clear_rst_ready(struct qla_hw_data *ha)
+{
+	uint32_t drv_state;
+
+	drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+	drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
+	qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
+}
+
+static inline void
+qla82xx_set_qsnt_ready(struct qla_hw_data *ha)
+{
+	uint32_t qsnt_state;
+
+	qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+	qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
+	qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
+}
+
+int qla82xx_load_fw(scsi_qla_host_t *vha)
+{
+	int rst;
+	struct fw_blob *blob;
+	struct qla_hw_data *ha = vha->hw;
+
+	/* Put both the PEG CMD and RCV PEG to default state
+	 * of 0 before resetting the hardware
+	 */
+	qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
+	qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
+
+	if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) {
+		qla_printk(KERN_ERR, ha,
+			"%s: Error during CRB Initialization\n", __func__);
+		return QLA_FUNCTION_FAILED;
+	}
+	udelay(500);
+
+	/* Bring QM and CAMRAM out of reset */
+	rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
+	rst &= ~((1 << 28) | (1 << 24));
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
+
+	/*
+	 * FW Load priority:
+	 * 1) Operational firmware residing in flash.
+	 * 2) Firmware via request-firmware interface (.bin file).
+	 */
+	if (ql2xfwloadbin == 2)
+		goto try_blob_fw;
+
+	qla_printk(KERN_INFO, ha,
+		"Attempting to load firmware from flash\n");
+
+	if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
+		qla_printk(KERN_ERR, ha,
+			"Firmware loaded successfully from flash\n");
+		return QLA_SUCCESS;
+	}
+try_blob_fw:
+	qla_printk(KERN_INFO, ha,
+	    "Attempting to load firmware from blob\n");
+
+	/* Load firmware blob. */
+	blob = ha->hablob = qla2x00_request_firmware(vha);
+	if (!blob) {
+		qla_printk(KERN_ERR, ha,
+			"Firmware image not present.\n");
+		goto fw_load_failed;
+	}
+
+	if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) {
+		qla_printk(KERN_ERR, ha,
+			"%s: Firmware loaded successfully "
+			" from binary blob\n", __func__);
+		return QLA_SUCCESS;
+	} else {
+		qla_printk(KERN_ERR, ha,
+		    "Firmware load failed from binary blob\n");
+		blob->fw = NULL;
+		blob = NULL;
+		goto fw_load_failed;
+	}
+	return QLA_SUCCESS;
+
+fw_load_failed:
+	return QLA_FUNCTION_FAILED;
+}
+
+static int
+qla82xx_start_firmware(scsi_qla_host_t *vha)
+{
+	int           pcie_cap;
+	uint16_t      lnk;
+	struct qla_hw_data *ha = vha->hw;
+
+	/* scrub dma mask expansion register */
+	qla82xx_wr_32(ha, CRB_DMA_SHIFT, 0x55555555);
+
+	/* Overwrite stale initialization register values */
+	qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
+	qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
+
+	if (qla82xx_load_fw(vha) != QLA_SUCCESS) {
+		qla_printk(KERN_INFO, ha,
+			"%s: Error trying to start fw!\n", __func__);
+		return QLA_FUNCTION_FAILED;
+	}
+
+	/* Handshake with the card before we register the devices. */
+	if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) {
+		qla_printk(KERN_INFO, ha,
+			"%s: Error during card handshake!\n", __func__);
+		return QLA_FUNCTION_FAILED;
+	}
+
+	/* Negotiated Link width */
+	pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
+	pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
+	ha->link_width = (lnk >> 4) & 0x3f;
+
+	/* Synchronize with Receive peg */
+	return qla82xx_check_rcvpeg_state(ha);
+}
+
+static inline int
+qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
+	uint16_t tot_dsds)
+{
+	uint32_t *cur_dsd = NULL;
+	scsi_qla_host_t	*vha;
+	struct qla_hw_data *ha;
+	struct scsi_cmnd *cmd;
+	struct	scatterlist *cur_seg;
+	uint32_t *dsd_seg;
+	void *next_dsd;
+	uint8_t avail_dsds;
+	uint8_t first_iocb = 1;
+	uint32_t dsd_list_len;
+	struct dsd_dma *dsd_ptr;
+	struct ct6_dsd *ctx;
+
+	cmd = sp->cmd;
+
+	/* Update entry type to indicate Command Type 3 IOCB */
+	*((uint32_t *)(&cmd_pkt->entry_type)) =
+		__constant_cpu_to_le32(COMMAND_TYPE_6);
+
+	/* No data transfer */
+	if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
+		cmd_pkt->byte_count = __constant_cpu_to_le32(0);
+		return 0;
+	}
+
+	vha = sp->fcport->vha;
+	ha = vha->hw;
+
+	/* Set transfer direction */
+	if (cmd->sc_data_direction == DMA_TO_DEVICE) {
+		cmd_pkt->control_flags =
+		    __constant_cpu_to_le16(CF_WRITE_DATA);
+		ha->qla_stats.output_bytes += scsi_bufflen(cmd);
+	} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
+		cmd_pkt->control_flags =
+		    __constant_cpu_to_le16(CF_READ_DATA);
+		ha->qla_stats.input_bytes += scsi_bufflen(cmd);
+	}
+
+	cur_seg = scsi_sglist(cmd);
+	ctx = sp->ctx;
+
+	while (tot_dsds) {
+		avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ?
+		    QLA_DSDS_PER_IOCB : tot_dsds;
+		tot_dsds -= avail_dsds;
+		dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE;
+
+		dsd_ptr = list_first_entry(&ha->gbl_dsd_list,
+		    struct dsd_dma, list);
+		next_dsd = dsd_ptr->dsd_addr;
+		list_del(&dsd_ptr->list);
+		ha->gbl_dsd_avail--;
+		list_add_tail(&dsd_ptr->list, &ctx->dsd_list);
+		ctx->dsd_use_cnt++;
+		ha->gbl_dsd_inuse++;
+
+		if (first_iocb) {
+			first_iocb = 0;
+			dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
+			*dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+			*dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+			*dsd_seg++ = dsd_list_len;
+		} else {
+			*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+			*cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+			*cur_dsd++ = dsd_list_len;
+		}
+		cur_dsd = (uint32_t *)next_dsd;
+		while (avail_dsds) {
+			dma_addr_t	sle_dma;
+
+			sle_dma = sg_dma_address(cur_seg);
+			*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+			*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+			*cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
+			cur_seg++;
+			avail_dsds--;
+		}
+	}
+
+	/* Null termination */
+	*cur_dsd++ =  0;
+	*cur_dsd++ = 0;
+	*cur_dsd++ = 0;
+	cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE;
+	return 0;
+}
+
+/*
+ * qla82xx_calc_dsd_lists() - Determine number of DSD list required
+ * for Command Type 6.
+ *
+ * @dsds: number of data segment decriptors needed
+ *
+ * Returns the number of dsd list needed to store @dsds.
+ */
+inline uint16_t
+qla82xx_calc_dsd_lists(uint16_t dsds)
+{
+	uint16_t dsd_lists = 0;
+
+	dsd_lists = (dsds/QLA_DSDS_PER_IOCB);
+	if (dsds % QLA_DSDS_PER_IOCB)
+		dsd_lists++;
+	return dsd_lists;
+}
+
+/*
+ * qla82xx_start_scsi() - Send a SCSI command to the ISP
+ * @sp: command to send to the ISP
+ *
+ * Returns non-zero if a failure occured, else zero.
+ */
+int
+qla82xx_start_scsi(srb_t *sp)
+{
+	int		ret, nseg;
+	unsigned long   flags;
+	struct scsi_cmnd *cmd;
+	uint32_t	*clr_ptr;
+	uint32_t        index;
+	uint32_t	handle;
+	uint16_t	cnt;
+	uint16_t	req_cnt;
+	uint16_t	tot_dsds;
+	struct device_reg_82xx __iomem *reg;
+	uint32_t dbval;
+	uint32_t *fcp_dl;
+	uint8_t additional_cdb_len;
+	struct ct6_dsd *ctx;
+	struct scsi_qla_host *vha = sp->fcport->vha;
+	struct qla_hw_data *ha = vha->hw;
+	struct req_que *req = NULL;
+	struct rsp_que *rsp = NULL;
+
+	/* Setup device pointers. */
+	ret = 0;
+	reg = &ha->iobase->isp82;
+	cmd = sp->cmd;
+	req = vha->req;
+	rsp = ha->rsp_q_map[0];
+
+	/* So we know we haven't pci_map'ed anything yet */
+	tot_dsds = 0;
+
+	dbval = 0x04 | (ha->portnum << 5);
+
+	/* Send marker if required */
+	if (vha->marker_needed != 0) {
+		if (qla2x00_marker(vha, req,
+			rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
+			return QLA_FUNCTION_FAILED;
+		vha->marker_needed = 0;
+	}
+
+	/* Acquire ring specific lock */
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+
+	/* Check for room in outstanding command list. */
+	handle = req->current_outstanding_cmd;
+	for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
+		handle++;
+		if (handle == MAX_OUTSTANDING_COMMANDS)
+			handle = 1;
+		if (!req->outstanding_cmds[handle])
+			break;
+	}
+	if (index == MAX_OUTSTANDING_COMMANDS)
+		goto queuing_error;
+
+	/* Map the sg table so we have an accurate count of sg entries needed */
+	if (scsi_sg_count(cmd)) {
+		nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+		    scsi_sg_count(cmd), cmd->sc_data_direction);
+		if (unlikely(!nseg))
+			goto queuing_error;
+	} else
+		nseg = 0;
+
+	tot_dsds = nseg;
+
+	if (tot_dsds > ql2xshiftctondsd) {
+		struct cmd_type_6 *cmd_pkt;
+		uint16_t more_dsd_lists = 0;
+		struct dsd_dma *dsd_ptr;
+		uint16_t i;
+
+		more_dsd_lists = qla82xx_calc_dsd_lists(tot_dsds);
+		if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN)
+			goto queuing_error;
+
+		if (more_dsd_lists <= ha->gbl_dsd_avail)
+			goto sufficient_dsds;
+		else
+			more_dsd_lists -= ha->gbl_dsd_avail;
+
+		for (i = 0; i < more_dsd_lists; i++) {
+			dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
+			if (!dsd_ptr)
+				goto queuing_error;
+
+			dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool,
+				GFP_ATOMIC, &dsd_ptr->dsd_list_dma);
+			if (!dsd_ptr->dsd_addr) {
+				kfree(dsd_ptr);
+				goto queuing_error;
+			}
+			list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list);
+			ha->gbl_dsd_avail++;
+		}
+
+sufficient_dsds:
+		req_cnt = 1;
+
+		ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
+		if (!sp->ctx) {
+			DEBUG(printk(KERN_INFO
+				"%s(%ld): failed to allocate"
+				" ctx.\n", __func__, vha->host_no));
+			goto queuing_error;
+		}
+		memset(ctx, 0, sizeof(struct ct6_dsd));
+		ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool,
+			GFP_ATOMIC, &ctx->fcp_cmnd_dma);
+		if (!ctx->fcp_cmnd) {
+			DEBUG2_3(printk("%s(%ld): failed to allocate"
+				" fcp_cmnd.\n", __func__, vha->host_no));
+			goto queuing_error_fcp_cmnd;
+		}
+
+		/* Initialize the DSD list and dma handle */
+		INIT_LIST_HEAD(&ctx->dsd_list);
+		ctx->dsd_use_cnt = 0;
+
+		if (cmd->cmd_len > 16) {
+			additional_cdb_len = cmd->cmd_len - 16;
+			if ((cmd->cmd_len % 4) != 0) {
+				/* SCSI command bigger than 16 bytes must be
+				 * multiple of 4
+				 */
+				goto queuing_error_fcp_cmnd;
+			}
+			ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
+		} else {
+			additional_cdb_len = 0;
+			ctx->fcp_cmnd_len = 12 + 16 + 4;
+		}
+
+		cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
+		cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
+
+		/* Zero out remaining portion of packet. */
+		/*    tagged queuing modifier -- default is TSK_SIMPLE (0). */
+		clr_ptr = (uint32_t *)cmd_pkt + 2;
+		memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
+		cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
+
+		/* Set NPORT-ID and LUN number*/
+		cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+		cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
+		cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
+		cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+		cmd_pkt->vp_index = sp->fcport->vp_idx;
+
+		/* Build IOCB segments */
+		if (qla2xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds))
+			goto queuing_error_fcp_cmnd;
+
+		int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
+
+		/* build FCP_CMND IU */
+		memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
+		int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun);
+		ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
+
+		if (cmd->sc_data_direction == DMA_TO_DEVICE)
+			ctx->fcp_cmnd->additional_cdb_len |= 1;
+		else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
+			ctx->fcp_cmnd->additional_cdb_len |= 2;
+
+		memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
+
+		fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
+		    additional_cdb_len);
+		*fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
+
+		cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
+		cmd_pkt->fcp_cmnd_dseg_address[0] =
+		    cpu_to_le32(LSD(ctx->fcp_cmnd_dma));
+		cmd_pkt->fcp_cmnd_dseg_address[1] =
+		    cpu_to_le32(MSD(ctx->fcp_cmnd_dma));
+
+		sp->flags |= SRB_FCP_CMND_DMA_VALID;
+		cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
+		/* Set total data segment count. */
+		cmd_pkt->entry_count = (uint8_t)req_cnt;
+		/* Specify response queue number where
+		 * completion should happen
+		 */
+		cmd_pkt->entry_status = (uint8_t) rsp->id;
+	} else {
+		struct cmd_type_7 *cmd_pkt;
+		req_cnt = qla24xx_calc_iocbs(tot_dsds);
+		if (req->cnt < (req_cnt + 2)) {
+			cnt = (uint16_t)RD_REG_DWORD_RELAXED(
+			    &reg->req_q_out[0]);
+			if (req->ring_index < cnt)
+				req->cnt = cnt - req->ring_index;
+			else
+				req->cnt = req->length -
+					(req->ring_index - cnt);
+		}
+		if (req->cnt < (req_cnt + 2))
+			goto queuing_error;
+
+		cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
+		cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
+
+		/* Zero out remaining portion of packet. */
+		/* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
+		clr_ptr = (uint32_t *)cmd_pkt + 2;
+		memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
+		cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
+
+		/* Set NPORT-ID and LUN number*/
+		cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+		cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
+		cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
+		cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+		cmd_pkt->vp_index = sp->fcport->vp_idx;
+
+		int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
+		host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
+			sizeof(cmd_pkt->lun));
+
+		/* Load SCSI command packet. */
+		memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
+		host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
+
+		cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
+
+		/* Build IOCB segments */
+		qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds);
+
+		/* Set total data segment count. */
+		cmd_pkt->entry_count = (uint8_t)req_cnt;
+		/* Specify response queue number where
+		 * completion should happen.
+		 */
+		cmd_pkt->entry_status = (uint8_t) rsp->id;
+
+	}
+	/* Build command packet. */
+	req->current_outstanding_cmd = handle;
+	req->outstanding_cmds[handle] = sp;
+	sp->handle = handle;
+	sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
+	req->cnt -= req_cnt;
+	wmb();
+
+	/* Adjust ring index. */
+	req->ring_index++;
+	if (req->ring_index == req->length) {
+		req->ring_index = 0;
+		req->ring_ptr = req->ring;
+	} else
+		req->ring_ptr++;
+
+	sp->flags |= SRB_DMA_VALID;
+
+	/* Set chip new ring index. */
+	/* write, read and verify logic */
+	dbval = dbval | (req->id << 8) | (req->ring_index << 16);
+	if (ql2xdbwr)
+		qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
+	else {
+		WRT_REG_DWORD(
+			(unsigned long __iomem *)ha->nxdb_wr_ptr,
+			dbval);
+		wmb();
+		while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
+			WRT_REG_DWORD(
+				(unsigned long __iomem *)ha->nxdb_wr_ptr,
+				dbval);
+			wmb();
+		}
+	}
+
+	/* Manage unprocessed RIO/ZIO commands in response queue. */
+	if (vha->flags.process_response_queue &&
+	    rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+		qla24xx_process_response_queue(vha, rsp);
+
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	return QLA_SUCCESS;
+
+queuing_error_fcp_cmnd:
+	dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
+queuing_error:
+	if (tot_dsds)
+		scsi_dma_unmap(cmd);
+
+	if (sp->ctx) {
+		mempool_free(sp->ctx, ha->ctx_mempool);
+		sp->ctx = NULL;
+	}
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+	return QLA_FUNCTION_FAILED;
+}
+
+uint32_t *
+qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
+	uint32_t length)
+{
+	uint32_t i;
+	uint32_t val;
+	struct qla_hw_data *ha = vha->hw;
+
+	/* Dword reads to flash. */
+	for (i = 0; i < length/4; i++, faddr += 4) {
+		if (qla82xx_rom_fast_read(ha, faddr, &val)) {
+			qla_printk(KERN_WARNING, ha,
+			    "Do ROM fast read failed\n");
+			goto done_read;
+		}
+		dwptr[i] = __constant_cpu_to_le32(val);
+	}
+done_read:
+	return dwptr;
+}
+
+int
+qla82xx_unprotect_flash(struct qla_hw_data *ha)
+{
+	int ret;
+	uint32_t val;
+
+	ret = ql82xx_rom_lock_d(ha);
+	if (ret < 0) {
+		qla_printk(KERN_WARNING, ha, "ROM Lock failed\n");
+		return ret;
+	}
+
+	ret = qla82xx_read_status_reg(ha, &val);
+	if (ret < 0)
+		goto done_unprotect;
+
+	val &= ~(0x7 << 2);
+	ret = qla82xx_write_status_reg(ha, val);
+	if (ret < 0) {
+		val |= (0x7 << 2);
+		qla82xx_write_status_reg(ha, val);
+	}
+
+	if (qla82xx_write_disable_flash(ha) != 0)
+		qla_printk(KERN_WARNING, ha, "Write disable failed\n");
+
+done_unprotect:
+	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	return ret;
+}
+
+int
+qla82xx_protect_flash(struct qla_hw_data *ha)
+{
+	int ret;
+	uint32_t val;
+
+	ret = ql82xx_rom_lock_d(ha);
+	if (ret < 0) {
+		qla_printk(KERN_WARNING, ha, "ROM Lock failed\n");
+		return ret;
+	}
+
+	ret = qla82xx_read_status_reg(ha, &val);
+	if (ret < 0)
+		goto done_protect;
+
+	val |= (0x7 << 2);
+	/* LOCK all sectors */
+	ret = qla82xx_write_status_reg(ha, val);
+	if (ret < 0)
+		qla_printk(KERN_WARNING, ha, "Write status register failed\n");
+
+	if (qla82xx_write_disable_flash(ha) != 0)
+		qla_printk(KERN_WARNING, ha, "Write disable failed\n");
+done_protect:
+	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	return ret;
+}
+
+int
+qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
+{
+	int ret = 0;
+
+	ret = ql82xx_rom_lock_d(ha);
+	if (ret < 0) {
+		qla_printk(KERN_WARNING, ha, "ROM Lock failed\n");
+		return ret;
+	}
+
+	qla82xx_flash_set_write_enable(ha);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
+	qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE);
+
+	if (qla82xx_wait_rom_done(ha)) {
+		qla_printk(KERN_WARNING, ha,
+		    "Error waiting for rom done\n");
+		ret = -1;
+		goto done;
+	}
+	ret = qla82xx_flash_wait_write_finish(ha);
+done:
+	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	return ret;
+}
+
+/*
+ * Address and length are byte address
+ */
+uint8_t *
+qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+	uint32_t offset, uint32_t length)
+{
+	scsi_block_requests(vha->host);
+	qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length);
+	scsi_unblock_requests(vha->host);
+	return buf;
+}
+
+static int
+qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
+	uint32_t faddr, uint32_t dwords)
+{
+	int ret;
+	uint32_t liter;
+	uint32_t sec_mask, rest_addr;
+	dma_addr_t optrom_dma;
+	void *optrom = NULL;
+	int page_mode = 0;
+	struct qla_hw_data *ha = vha->hw;
+
+	ret = -1;
+
+	/* Prepare burst-capable write on supported ISPs. */
+	if (page_mode && !(faddr & 0xfff) &&
+	    dwords > OPTROM_BURST_DWORDS) {
+		optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
+		    &optrom_dma, GFP_KERNEL);
+		if (!optrom) {
+			qla_printk(KERN_DEBUG, ha,
+				"Unable to allocate memory for optrom "
+				"burst write (%x KB).\n",
+				OPTROM_BURST_SIZE / 1024);
+		}
+	}
+
+	rest_addr = ha->fdt_block_size - 1;
+	sec_mask = ~rest_addr;
+
+	ret = qla82xx_unprotect_flash(ha);
+	if (ret) {
+		qla_printk(KERN_WARNING, ha,
+			"Unable to unprotect flash for update.\n");
+		goto write_done;
+	}
+
+	for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
+		/* Are we at the beginning of a sector? */
+		if ((faddr & rest_addr) == 0) {
+
+			ret = qla82xx_erase_sector(ha, faddr);
+			if (ret) {
+				DEBUG9(qla_printk(KERN_ERR, ha,
+				    "Unable to erase sector: "
+				    "address=%x.\n", faddr));
+				break;
+			}
+		}
+
+		/* Go with burst-write. */
+		if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
+			/* Copy data to DMA'ble buffer. */
+			memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
+
+			ret = qla2x00_load_ram(vha, optrom_dma,
+			    (ha->flash_data_off | faddr),
+			    OPTROM_BURST_DWORDS);
+			if (ret != QLA_SUCCESS) {
+				qla_printk(KERN_WARNING, ha,
+				    "Unable to burst-write optrom segment "
+				    "(%x/%x/%llx).\n", ret,
+				    (ha->flash_data_off | faddr),
+				    (unsigned long long)optrom_dma);
+				qla_printk(KERN_WARNING, ha,
+				    "Reverting to slow-write.\n");
+
+				dma_free_coherent(&ha->pdev->dev,
+				    OPTROM_BURST_SIZE, optrom, optrom_dma);
+				optrom = NULL;
+			} else {
+				liter += OPTROM_BURST_DWORDS - 1;
+				faddr += OPTROM_BURST_DWORDS - 1;
+				dwptr += OPTROM_BURST_DWORDS - 1;
+				continue;
+			}
+		}
+
+		ret = qla82xx_write_flash_dword(ha, faddr,
+		    cpu_to_le32(*dwptr));
+		if (ret) {
+			DEBUG9(printk(KERN_DEBUG "%s(%ld) Unable to program"
+			    "flash address=%x data=%x.\n", __func__,
+			    ha->host_no, faddr, *dwptr));
+			break;
+		}
+	}
+
+	ret = qla82xx_protect_flash(ha);
+	if (ret)
+		qla_printk(KERN_WARNING, ha,
+		    "Unable to protect flash after update.\n");
+write_done:
+	if (optrom)
+		dma_free_coherent(&ha->pdev->dev,
+		    OPTROM_BURST_SIZE, optrom, optrom_dma);
+	return ret;
+}
+
+int
+qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+	uint32_t offset, uint32_t length)
+{
+	int rval;
+
+	/* Suspend HBA. */
+	scsi_block_requests(vha->host);
+	rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset,
+		length >> 2);
+	scsi_unblock_requests(vha->host);
+
+	/* Convert return ISP82xx to generic */
+	if (rval)
+		rval = QLA_FUNCTION_FAILED;
+	else
+		rval = QLA_SUCCESS;
+	return rval;
+}
+
+void
+qla82xx_start_iocbs(srb_t *sp)
+{
+	struct qla_hw_data *ha = sp->fcport->vha->hw;
+	struct req_que *req = ha->req_q_map[0];
+	struct device_reg_82xx __iomem *reg;
+	uint32_t dbval;
+
+	/* Adjust ring index. */
+	req->ring_index++;
+	if (req->ring_index == req->length) {
+		req->ring_index = 0;
+		req->ring_ptr = req->ring;
+	} else
+		req->ring_ptr++;
+
+	reg = &ha->iobase->isp82;
+	dbval = 0x04 | (ha->portnum << 5);
+
+	dbval = dbval | (req->id << 8) | (req->ring_index << 16);
+	WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval);
+	wmb();
+	while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
+		WRT_REG_DWORD((unsigned long  __iomem *)ha->nxdb_wr_ptr, dbval);
+		wmb();
+	}
+}
+
+/*
+ * qla82xx_device_bootstrap
+ *    Initialize device, set DEV_READY, start fw
+ *
+ * Note:
+ *      IDC lock must be held upon entry
+ *
+ * Return:
+ *    Success : 0
+ *    Failed  : 1
+ */
+static int
+qla82xx_device_bootstrap(scsi_qla_host_t *vha)
+{
+	int rval, i, timeout;
+	uint32_t old_count, count;
+	struct qla_hw_data *ha = vha->hw;
+
+	if (qla82xx_need_reset(ha))
+		goto dev_initialize;
+
+	old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+
+	for (i = 0; i < 10; i++) {
+		timeout = msleep_interruptible(200);
+		if (timeout) {
+			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+				QLA82XX_DEV_FAILED);
+			return QLA_FUNCTION_FAILED;
+		}
+
+		count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+		if (count != old_count)
+			goto dev_ready;
+	}
+
+dev_initialize:
+	/* set to DEV_INITIALIZING */
+	qla_printk(KERN_INFO, ha, "HW State: INITIALIZING\n");
+	qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING);
+
+	/* Driver that sets device state to initializating sets IDC version */
+	qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
+
+	qla82xx_idc_unlock(ha);
+	rval = qla82xx_start_firmware(vha);
+	qla82xx_idc_lock(ha);
+
+	if (rval != QLA_SUCCESS) {
+		qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
+		qla82xx_clear_drv_active(ha);
+		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED);
+		return rval;
+	}
+
+dev_ready:
+	qla_printk(KERN_INFO, ha, "HW State: READY\n");
+	qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY);
+
+	return QLA_SUCCESS;
+}
+
+static void
+qla82xx_dev_failed_handler(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	/* Disable the board */
+	qla_printk(KERN_INFO, ha, "Disabling the board\n");
+
+	/* Set DEV_FAILED flag to disable timer */
+	vha->device_flags |= DFLG_DEV_FAILED;
+	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
+	qla2x00_mark_all_devices_lost(vha, 0);
+	vha->flags.online = 0;
+	vha->flags.init_done = 0;
+}
+
+/*
+ * qla82xx_need_reset_handler
+ *    Code to start reset sequence
+ *
+ * Note:
+ *      IDC lock must be held upon entry
+ *
+ * Return:
+ *    Success : 0
+ *    Failed  : 1
+ */
+static void
+qla82xx_need_reset_handler(scsi_qla_host_t *vha)
+{
+	uint32_t dev_state, drv_state, drv_active;
+	unsigned long reset_timeout;
+	struct qla_hw_data *ha = vha->hw;
+	struct req_que *req = ha->req_q_map[0];
+
+	if (vha->flags.online) {
+		qla82xx_idc_unlock(ha);
+		qla2x00_abort_isp_cleanup(vha);
+		ha->isp_ops->get_flash_version(vha, req->ring);
+		ha->isp_ops->nvram_config(vha);
+		qla82xx_idc_lock(ha);
+	}
+
+	qla82xx_set_rst_ready(ha);
+
+	/* wait for 10 seconds for reset ack from all functions */
+	reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
+
+	drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+	drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+
+	while (drv_state != drv_active) {
+		if (time_after_eq(jiffies, reset_timeout)) {
+			qla_printk(KERN_INFO, ha,
+				"%s: RESET TIMEOUT!\n", QLA2XXX_DRIVER_NAME);
+			break;
+		}
+		qla82xx_idc_unlock(ha);
+		msleep(1000);
+		qla82xx_idc_lock(ha);
+		drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+	}
+
+	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+	/* Force to DEV_COLD unless someone else is starting a reset */
+	if (dev_state != QLA82XX_DEV_INITIALIZING) {
+		qla_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n");
+		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
+	}
+}
+
+static void
+qla82xx_check_fw_alive(scsi_qla_host_t *vha)
+{
+	uint32_t fw_heartbeat_counter, halt_status;
+	struct qla_hw_data *ha = vha->hw;
+
+	fw_heartbeat_counter = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+	if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
+		vha->seconds_since_last_heartbeat++;
+		/* FW not alive after 2 seconds */
+		if (vha->seconds_since_last_heartbeat == 2) {
+			vha->seconds_since_last_heartbeat = 0;
+			halt_status = qla82xx_rd_32(ha,
+				QLA82XX_PEG_HALT_STATUS1);
+			if (halt_status & HALT_STATUS_UNRECOVERABLE) {
+				set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
+			} else {
+				qla_printk(KERN_INFO, ha,
+					"scsi(%ld): %s - detect abort needed\n",
+					vha->host_no, __func__);
+				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+			}
+			qla2xxx_wake_dpc(vha);
+		}
+	}
+	vha->fw_heartbeat_counter = fw_heartbeat_counter;
+}
+
+/*
+ * qla82xx_device_state_handler
+ *	Main state handler
+ *
+ * Note:
+ *      IDC lock must be held upon entry
+ *
+ * Return:
+ *    Success : 0
+ *    Failed  : 1
+ */
+int
+qla82xx_device_state_handler(scsi_qla_host_t *vha)
+{
+	uint32_t dev_state;
+	uint32_t drv_active;
+	int rval = QLA_SUCCESS;
+	unsigned long dev_init_timeout;
+	struct qla_hw_data *ha = vha->hw;
+
+	qla82xx_idc_lock(ha);
+	if (!vha->flags.init_done)
+		qla82xx_set_drv_active(vha);
+
+	/* Set cold state*/
+	if (!PCI_FUNC(ha->pdev->devfn & 1)) {
+
+		/* Check if other functions alive, else set dev state
+		 * to cold
+		 */
+		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+		drv_active &= ~(1 << (ha->portnum * 4));
+		drv_active &= ~(1 << ((ha->portnum + 1) * 4));
+
+		dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+		if (!drv_active) {
+
+			switch (dev_state) {
+			case QLA82XX_DEV_COLD:
+			case QLA82XX_DEV_READY:
+			case QLA82XX_DEV_INITIALIZING:
+			case QLA82XX_DEV_NEED_RESET:
+			case QLA82XX_DEV_NEED_QUIESCENT:
+			case QLA82XX_DEV_QUIESCENT:
+			case QLA82XX_DEV_FAILED:
+				break;
+			default:
+				qla_printk(KERN_INFO, ha,
+					"No other function exist,"
+					" resetting dev state to COLD\n");
+				qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+					QLA82XX_DEV_COLD);
+				break;
+			}
+		}
+	}
+
+	/* wait for 30 seconds for device to go ready */
+	dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
+
+	while (1) {
+
+		if (time_after_eq(jiffies, dev_init_timeout)) {
+			DEBUG(qla_printk(KERN_INFO, ha,
+				"%s: device init failed!\n",
+				QLA2XXX_DRIVER_NAME));
+			rval = QLA_FUNCTION_FAILED;
+			break;
+		}
+		dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+		switch (dev_state) {
+		case QLA82XX_DEV_READY:
+			goto exit;
+		case QLA82XX_DEV_COLD:
+			rval = qla82xx_device_bootstrap(vha);
+			goto exit;
+		case QLA82XX_DEV_INITIALIZING:
+			qla82xx_idc_unlock(ha);
+			msleep(1000);
+			qla82xx_idc_lock(ha);
+			break;
+		case QLA82XX_DEV_NEED_RESET:
+			if (!ql2xdontresethba)
+				qla82xx_need_reset_handler(vha);
+			break;
+		case QLA82XX_DEV_NEED_QUIESCENT:
+			qla82xx_set_qsnt_ready(ha);
+		case QLA82XX_DEV_QUIESCENT:
+			qla82xx_idc_unlock(ha);
+			msleep(1000);
+			qla82xx_idc_lock(ha);
+			break;
+		case QLA82XX_DEV_FAILED:
+			qla82xx_dev_failed_handler(vha);
+			rval = QLA_FUNCTION_FAILED;
+			goto exit;
+		default:
+			qla82xx_idc_unlock(ha);
+			msleep(1000);
+			qla82xx_idc_lock(ha);
+		}
+	}
+exit:
+	qla82xx_idc_unlock(ha);
+	return rval;
+}
+
+void qla82xx_watchdog(scsi_qla_host_t *vha)
+{
+	uint32_t dev_state;
+	struct qla_hw_data *ha = vha->hw;
+
+	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+
+	/* don't poll if reset is going on */
+	if (!(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))) {
+		if (dev_state == QLA82XX_DEV_NEED_RESET) {
+			qla_printk(KERN_WARNING, ha,
+				"%s(): Adapter reset needed!\n", __func__);
+			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+			qla2xxx_wake_dpc(vha);
+		} else {
+			qla82xx_check_fw_alive(vha);
+		}
+	}
+}
+
+int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
+{
+	int rval;
+	rval = qla82xx_device_state_handler(vha);
+	return rval;
+}
+
+/*
+ *  qla82xx_abort_isp
+ *      Resets ISP and aborts all outstanding commands.
+ *
+ * Input:
+ *      ha           = adapter block pointer.
+ *
+ * Returns:
+ *      0 = success
+ */
+int
+qla82xx_abort_isp(scsi_qla_host_t *vha)
+{
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t dev_state;
+
+	if (vha->device_flags & DFLG_DEV_FAILED) {
+		qla_printk(KERN_WARNING, ha,
+			"%s(%ld): Device in failed state, "
+			"Exiting.\n", __func__, vha->host_no);
+		return QLA_SUCCESS;
+	}
+
+	qla82xx_idc_lock(ha);
+	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+	if (dev_state != QLA82XX_DEV_INITIALIZING) {
+		qla_printk(KERN_INFO, ha, "HW State: NEED RESET\n");
+		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+			QLA82XX_DEV_NEED_RESET);
+	} else
+		qla_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n");
+	qla82xx_idc_unlock(ha);
+
+	rval = qla82xx_device_state_handler(vha);
+
+	qla82xx_idc_lock(ha);
+	qla82xx_clear_rst_ready(ha);
+	qla82xx_idc_unlock(ha);
+
+	if (rval == QLA_SUCCESS)
+		qla82xx_restart_isp(vha);
+	return rval;
+}
+
+/*
+ *  qla82xx_fcoe_ctx_reset
+ *      Perform a quick reset and aborts all outstanding commands.
+ *      This will only perform an FCoE context reset and avoids a full blown
+ *      chip reset.
+ *
+ * Input:
+ *      ha = adapter block pointer.
+ *      is_reset_path = flag for identifying the reset path.
+ *
+ * Returns:
+ *      0 = success
+ */
+int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha)
+{
+	int rval = QLA_FUNCTION_FAILED;
+
+	if (vha->flags.online) {
+		/* Abort all outstanding commands, so as to be requeued later */
+		qla2x00_abort_isp_cleanup(vha);
+	}
+
+	/* Stop currently executing firmware.
+	 * This will destroy existing FCoE context at the F/W end.
+	 */
+	qla2x00_try_to_stop_firmware(vha);
+
+	/* Restart. Creates a new FCoE context on INIT_FIRMWARE. */
+	rval = qla82xx_restart_isp(vha);
+
+	return rval;
+}
+
+/*
+ * qla2x00_wait_for_fcoe_ctx_reset
+ *    Wait till the FCoE context is reset.
+ *
+ * Note:
+ *    Does context switching here.
+ *    Release SPIN_LOCK (if any) before calling this routine.
+ *
+ * Return:
+ *    Success (fcoe_ctx reset is done) : 0
+ *    Failed  (fcoe_ctx reset not completed within max loop timout ) : 1
+ */
+int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha)
+{
+	int status = QLA_FUNCTION_FAILED;
+	unsigned long wait_reset;
+
+	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
+	while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
+	    test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
+	    && time_before(jiffies, wait_reset)) {
+
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_timeout(HZ);
+
+		if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) &&
+		    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
+			status = QLA_SUCCESS;
+			break;
+		}
+	}
+	DEBUG2(printk(KERN_INFO
+	    "%s status=%d\n", __func__, status));
+
+	return status;
+}
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
new file mode 100644
index 00000000000..7804bbbb3db
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -0,0 +1,888 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2008 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#ifndef __QLA_NX_H
+#define __QLA_NX_H
+
+/*
+ * Following are the states of the Phantom. Phantom will set them and
+ * Host will read to check if the fields are correct.
+*/
+#define PHAN_INITIALIZE_FAILED	      0xffff
+#define PHAN_INITIALIZE_COMPLETE      0xff01
+
+/* Host writes the following to notify that it has done the init-handshake */
+#define PHAN_INITIALIZE_ACK	      0xf00f
+#define PHAN_PEG_RCV_INITIALIZED      0xff01
+
+/*CRB_RELATED*/
+#define QLA82XX_CRB_BASE	QLA82XX_CAM_RAM(0x200)
+#define QLA82XX_REG(X)		(QLA82XX_CRB_BASE+(X))
+
+#define CRB_CMDPEG_STATE		QLA82XX_REG(0x50)
+#define CRB_RCVPEG_STATE		QLA82XX_REG(0x13c)
+#define BOOT_LOADER_DIMM_STATUS		QLA82XX_REG(0x54)
+#define CRB_DMA_SHIFT			QLA82XX_REG(0xcc)
+
+#define QLA82XX_HW_H0_CH_HUB_ADR    0x05
+#define QLA82XX_HW_H1_CH_HUB_ADR    0x0E
+#define QLA82XX_HW_H2_CH_HUB_ADR    0x03
+#define QLA82XX_HW_H3_CH_HUB_ADR    0x01
+#define QLA82XX_HW_H4_CH_HUB_ADR    0x06
+#define QLA82XX_HW_H5_CH_HUB_ADR    0x07
+#define QLA82XX_HW_H6_CH_HUB_ADR    0x08
+
+/*  Hub 0 */
+#define QLA82XX_HW_MN_CRB_AGT_ADR   0x15
+#define QLA82XX_HW_MS_CRB_AGT_ADR   0x25
+
+/*  Hub 1 */
+#define QLA82XX_HW_PS_CRB_AGT_ADR	0x73
+#define QLA82XX_HW_QMS_CRB_AGT_ADR	0x00
+#define QLA82XX_HW_RPMX3_CRB_AGT_ADR	0x0b
+#define QLA82XX_HW_SQGS0_CRB_AGT_ADR	0x01
+#define QLA82XX_HW_SQGS1_CRB_AGT_ADR	0x02
+#define QLA82XX_HW_SQGS2_CRB_AGT_ADR	0x03
+#define QLA82XX_HW_SQGS3_CRB_AGT_ADR	0x04
+#define QLA82XX_HW_C2C0_CRB_AGT_ADR	0x58
+#define QLA82XX_HW_C2C1_CRB_AGT_ADR	0x59
+#define QLA82XX_HW_C2C2_CRB_AGT_ADR	0x5a
+#define QLA82XX_HW_RPMX2_CRB_AGT_ADR	0x0a
+#define QLA82XX_HW_RPMX4_CRB_AGT_ADR	0x0c
+#define QLA82XX_HW_RPMX7_CRB_AGT_ADR	0x0f
+#define QLA82XX_HW_RPMX9_CRB_AGT_ADR	0x12
+#define QLA82XX_HW_SMB_CRB_AGT_ADR	0x18
+
+/*  Hub 2 */
+#define QLA82XX_HW_NIU_CRB_AGT_ADR	0x31
+#define QLA82XX_HW_I2C0_CRB_AGT_ADR	0x19
+#define QLA82XX_HW_I2C1_CRB_AGT_ADR	0x29
+
+#define QLA82XX_HW_SN_CRB_AGT_ADR	0x10
+#define QLA82XX_HW_I2Q_CRB_AGT_ADR	0x20
+#define QLA82XX_HW_LPC_CRB_AGT_ADR	0x22
+#define QLA82XX_HW_ROMUSB_CRB_AGT_ADR	0x21
+#define QLA82XX_HW_QM_CRB_AGT_ADR	0x66
+#define QLA82XX_HW_SQG0_CRB_AGT_ADR	0x60
+#define QLA82XX_HW_SQG1_CRB_AGT_ADR	0x61
+#define QLA82XX_HW_SQG2_CRB_AGT_ADR	0x62
+#define QLA82XX_HW_SQG3_CRB_AGT_ADR	0x63
+#define QLA82XX_HW_RPMX1_CRB_AGT_ADR	0x09
+#define QLA82XX_HW_RPMX5_CRB_AGT_ADR	0x0d
+#define QLA82XX_HW_RPMX6_CRB_AGT_ADR	0x0e
+#define QLA82XX_HW_RPMX8_CRB_AGT_ADR	0x11
+
+/*  Hub 3 */
+#define QLA82XX_HW_PH_CRB_AGT_ADR	0x1A
+#define QLA82XX_HW_SRE_CRB_AGT_ADR	0x50
+#define QLA82XX_HW_EG_CRB_AGT_ADR	0x51
+#define QLA82XX_HW_RPMX0_CRB_AGT_ADR	0x08
+
+/*  Hub 4 */
+#define QLA82XX_HW_PEGN0_CRB_AGT_ADR	0x40
+#define QLA82XX_HW_PEGN1_CRB_AGT_ADR	0x41
+#define QLA82XX_HW_PEGN2_CRB_AGT_ADR	0x42
+#define QLA82XX_HW_PEGN3_CRB_AGT_ADR	0x43
+#define QLA82XX_HW_PEGNI_CRB_AGT_ADR	0x44
+#define QLA82XX_HW_PEGND_CRB_AGT_ADR	0x45
+#define QLA82XX_HW_PEGNC_CRB_AGT_ADR	0x46
+#define QLA82XX_HW_PEGR0_CRB_AGT_ADR	0x47
+#define QLA82XX_HW_PEGR1_CRB_AGT_ADR	0x48
+#define QLA82XX_HW_PEGR2_CRB_AGT_ADR	0x49
+#define QLA82XX_HW_PEGR3_CRB_AGT_ADR	0x4a
+#define QLA82XX_HW_PEGN4_CRB_AGT_ADR	0x4b
+
+/*  Hub 5 */
+#define QLA82XX_HW_PEGS0_CRB_AGT_ADR	0x40
+#define QLA82XX_HW_PEGS1_CRB_AGT_ADR	0x41
+#define QLA82XX_HW_PEGS2_CRB_AGT_ADR	0x42
+#define QLA82XX_HW_PEGS3_CRB_AGT_ADR	0x43
+#define QLA82XX_HW_PEGSI_CRB_AGT_ADR	0x44
+#define QLA82XX_HW_PEGSD_CRB_AGT_ADR	0x45
+#define QLA82XX_HW_PEGSC_CRB_AGT_ADR	0x46
+
+/*  Hub 6 */
+#define QLA82XX_HW_CAS0_CRB_AGT_ADR	0x46
+#define QLA82XX_HW_CAS1_CRB_AGT_ADR	0x47
+#define QLA82XX_HW_CAS2_CRB_AGT_ADR	0x48
+#define QLA82XX_HW_CAS3_CRB_AGT_ADR	0x49
+#define QLA82XX_HW_NCM_CRB_AGT_ADR	0x16
+#define QLA82XX_HW_TMR_CRB_AGT_ADR	0x17
+#define QLA82XX_HW_XDMA_CRB_AGT_ADR	0x05
+#define QLA82XX_HW_OCM0_CRB_AGT_ADR	0x06
+#define QLA82XX_HW_OCM1_CRB_AGT_ADR	0x07
+
+/*  This field defines PCI/X adr [25:20] of agents on the CRB */
+/*  */
+#define QLA82XX_HW_PX_MAP_CRB_PH	0
+#define QLA82XX_HW_PX_MAP_CRB_PS	1
+#define QLA82XX_HW_PX_MAP_CRB_MN	2
+#define QLA82XX_HW_PX_MAP_CRB_MS	3
+#define QLA82XX_HW_PX_MAP_CRB_SRE	5
+#define QLA82XX_HW_PX_MAP_CRB_NIU	6
+#define QLA82XX_HW_PX_MAP_CRB_QMN	7
+#define QLA82XX_HW_PX_MAP_CRB_SQN0	8
+#define QLA82XX_HW_PX_MAP_CRB_SQN1	9
+#define QLA82XX_HW_PX_MAP_CRB_SQN2	10
+#define QLA82XX_HW_PX_MAP_CRB_SQN3	11
+#define QLA82XX_HW_PX_MAP_CRB_QMS	12
+#define QLA82XX_HW_PX_MAP_CRB_SQS0	13
+#define QLA82XX_HW_PX_MAP_CRB_SQS1	14
+#define QLA82XX_HW_PX_MAP_CRB_SQS2	15
+#define QLA82XX_HW_PX_MAP_CRB_SQS3	16
+#define QLA82XX_HW_PX_MAP_CRB_PGN0	17
+#define QLA82XX_HW_PX_MAP_CRB_PGN1	18
+#define QLA82XX_HW_PX_MAP_CRB_PGN2	19
+#define QLA82XX_HW_PX_MAP_CRB_PGN3	20
+#define QLA82XX_HW_PX_MAP_CRB_PGN4	QLA82XX_HW_PX_MAP_CRB_SQS2
+#define QLA82XX_HW_PX_MAP_CRB_PGND	21
+#define QLA82XX_HW_PX_MAP_CRB_PGNI	22
+#define QLA82XX_HW_PX_MAP_CRB_PGS0	23
+#define QLA82XX_HW_PX_MAP_CRB_PGS1	24
+#define QLA82XX_HW_PX_MAP_CRB_PGS2	25
+#define QLA82XX_HW_PX_MAP_CRB_PGS3	26
+#define QLA82XX_HW_PX_MAP_CRB_PGSD	27
+#define QLA82XX_HW_PX_MAP_CRB_PGSI	28
+#define QLA82XX_HW_PX_MAP_CRB_SN	29
+#define QLA82XX_HW_PX_MAP_CRB_EG	31
+#define QLA82XX_HW_PX_MAP_CRB_PH2	32
+#define QLA82XX_HW_PX_MAP_CRB_PS2	33
+#define QLA82XX_HW_PX_MAP_CRB_CAM	34
+#define QLA82XX_HW_PX_MAP_CRB_CAS0	35
+#define QLA82XX_HW_PX_MAP_CRB_CAS1	36
+#define QLA82XX_HW_PX_MAP_CRB_CAS2	37
+#define QLA82XX_HW_PX_MAP_CRB_C2C0	38
+#define QLA82XX_HW_PX_MAP_CRB_C2C1	39
+#define QLA82XX_HW_PX_MAP_CRB_TIMR	40
+#define QLA82XX_HW_PX_MAP_CRB_RPMX1	42
+#define QLA82XX_HW_PX_MAP_CRB_RPMX2	43
+#define QLA82XX_HW_PX_MAP_CRB_RPMX3	44
+#define QLA82XX_HW_PX_MAP_CRB_RPMX4	45
+#define QLA82XX_HW_PX_MAP_CRB_RPMX5	46
+#define QLA82XX_HW_PX_MAP_CRB_RPMX6	47
+#define QLA82XX_HW_PX_MAP_CRB_RPMX7	48
+#define QLA82XX_HW_PX_MAP_CRB_XDMA	49
+#define QLA82XX_HW_PX_MAP_CRB_I2Q	50
+#define QLA82XX_HW_PX_MAP_CRB_ROMUSB	51
+#define QLA82XX_HW_PX_MAP_CRB_CAS3	52
+#define QLA82XX_HW_PX_MAP_CRB_RPMX0	53
+#define QLA82XX_HW_PX_MAP_CRB_RPMX8	54
+#define QLA82XX_HW_PX_MAP_CRB_RPMX9	55
+#define QLA82XX_HW_PX_MAP_CRB_OCM0	56
+#define QLA82XX_HW_PX_MAP_CRB_OCM1	57
+#define QLA82XX_HW_PX_MAP_CRB_SMB	58
+#define QLA82XX_HW_PX_MAP_CRB_I2C0	59
+#define QLA82XX_HW_PX_MAP_CRB_I2C1	60
+#define QLA82XX_HW_PX_MAP_CRB_LPC	61
+#define QLA82XX_HW_PX_MAP_CRB_PGNC	62
+#define QLA82XX_HW_PX_MAP_CRB_PGR0	63
+#define QLA82XX_HW_PX_MAP_CRB_PGR1	4
+#define QLA82XX_HW_PX_MAP_CRB_PGR2	30
+#define QLA82XX_HW_PX_MAP_CRB_PGR3	41
+
+/*  This field defines CRB adr [31:20] of the agents */
+/*  */
+
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_MN	    ((QLA82XX_HW_H0_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_MN_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PH	    ((QLA82XX_HW_H0_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PH_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_MS	    ((QLA82XX_HW_H0_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_MS_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PS	    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PS_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SS	    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SS_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_QMS	    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_QMS_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQS0     ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SQGS0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQS1     ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SQGS1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQS2     ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SQGS2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQS3     ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SQGS3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_C2C0     ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_C2C0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_C2C1     ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_C2C1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX4_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX7_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX9_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SMB	    ((QLA82XX_HW_H1_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SMB_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_NIU	    ((QLA82XX_HW_H2_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_NIU_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0     ((QLA82XX_HW_H2_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_I2C0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1     ((QLA82XX_HW_H2_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_I2C1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SRE	    ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SRE_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_EG	    ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_EG_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0    ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_QMN	    ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_QM_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0     ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SQG0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1     ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SQG1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2     ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SQG2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3     ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SQG3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1    ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5    ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX5_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6    ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX6_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8    ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_RPMX8_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAS0     ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_CAS0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAS1     ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_CAS1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAS2     ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_CAS2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAS3     ((QLA82XX_HW_H3_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_CAS3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGNI_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGND     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGND_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGN0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGN1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGN2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGN3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4	   ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGN4_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGNC_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGR0     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGR0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGR1     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGR1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGR2     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGR2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGR3     ((QLA82XX_HW_H4_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGR3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI     ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGSI_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGSD     ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGSD_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0     ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGS0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1     ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGS1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2     ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGS2_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3     ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGS3_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_PGSC     ((QLA82XX_HW_H5_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_PEGSC_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_CAM	    ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_NCM_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR     ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_TMR_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA     ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_XDMA_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_SN	    ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_SN_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q	    ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_I2Q_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB   ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_ROMUSB_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0     ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_OCM0_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_OCM1     ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_OCM1_CRB_AGT_ADR)
+#define QLA82XX_HW_CRB_HUB_AGT_ADR_LPC	    ((QLA82XX_HW_H6_CH_HUB_ADR << 7) | \
+	QLA82XX_HW_LPC_CRB_AGT_ADR)
+
+#define ROMUSB_GLB				(QLA82XX_CRB_ROMUSB + 0x00000)
+#define QLA82XX_ROMUSB_GLB_PEGTUNE_DONE		(ROMUSB_GLB + 0x005c)
+#define QLA82XX_ROMUSB_GLB_STATUS		(ROMUSB_GLB + 0x0004)
+#define QLA82XX_ROMUSB_GLB_SW_RESET		(ROMUSB_GLB + 0x0008)
+#define QLA82XX_ROMUSB_ROM_ADDRESS		(ROMUSB_ROM + 0x0008)
+#define QLA82XX_ROMUSB_ROM_WDATA		(ROMUSB_ROM + 0x000c)
+#define QLA82XX_ROMUSB_ROM_ABYTE_CNT		(ROMUSB_ROM + 0x0010)
+#define QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT	(ROMUSB_ROM + 0x0014)
+#define QLA82XX_ROMUSB_ROM_RDATA		(ROMUSB_ROM + 0x0018)
+
+#define ROMUSB_ROM				(QLA82XX_CRB_ROMUSB + 0x10000)
+#define QLA82XX_ROMUSB_ROM_INSTR_OPCODE		(ROMUSB_ROM + 0x0004)
+#define QLA82XX_ROMUSB_GLB_CAS_RST		(ROMUSB_GLB + 0x0038)
+
+/* Lock IDs for ROM lock */
+#define ROM_LOCK_DRIVER       0x0d417340
+
+#define QLA82XX_PCI_CRB_WINDOWSIZE 0x00100000	 /* all are 1MB windows */
+#define QLA82XX_PCI_CRB_WINDOW(A) \
+	(QLA82XX_PCI_CRBSPACE + (A)*QLA82XX_PCI_CRB_WINDOWSIZE)
+#define QLA82XX_CRB_C2C_0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_C2C0)
+#define QLA82XX_CRB_C2C_1 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_C2C1)
+#define QLA82XX_CRB_C2C_2 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_C2C2)
+#define QLA82XX_CRB_CAM \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAM)
+#define QLA82XX_CRB_CASPER \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAS)
+#define QLA82XX_CRB_CASPER_0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAS0)
+#define QLA82XX_CRB_CASPER_1 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAS1)
+#define QLA82XX_CRB_CASPER_2 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_CAS2)
+#define QLA82XX_CRB_DDR_MD \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_MS)
+#define QLA82XX_CRB_DDR_NET \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_MN)
+#define QLA82XX_CRB_EPG \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_EG)
+#define QLA82XX_CRB_I2Q \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_I2Q)
+#define QLA82XX_CRB_NIU \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_NIU)
+
+#define QLA82XX_CRB_PCIX_HOST \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PH)
+#define QLA82XX_CRB_PCIX_HOST2 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PH2)
+#define QLA82XX_CRB_PCIX_MD \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PS)
+#define QLA82XX_CRB_PCIE \
+	QLA82XX_CRB_PCIX_MD
+
+/* window 1 pcie slot */
+#define QLA82XX_CRB_PCIE2	 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PS2)
+#define QLA82XX_CRB_PEG_MD_0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS0)
+#define QLA82XX_CRB_PEG_MD_1 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS1)
+#define QLA82XX_CRB_PEG_MD_2 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS2)
+#define QLA82XX_CRB_PEG_MD_3 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS3)
+#define QLA82XX_CRB_PEG_MD_3 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGS3)
+#define QLA82XX_CRB_PEG_MD_D \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGSD)
+#define QLA82XX_CRB_PEG_MD_I \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGSI)
+#define QLA82XX_CRB_PEG_NET_0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN0)
+#define QLA82XX_CRB_PEG_NET_1 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN1)
+#define QLA82XX_CRB_PEG_NET_2 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN2)
+#define QLA82XX_CRB_PEG_NET_3 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN3)
+#define QLA82XX_CRB_PEG_NET_4 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGN4)
+#define QLA82XX_CRB_PEG_NET_D \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGND)
+#define QLA82XX_CRB_PEG_NET_I \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_PGNI)
+#define QLA82XX_CRB_PQM_MD \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_QMS)
+#define QLA82XX_CRB_PQM_NET \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_QMN)
+#define QLA82XX_CRB_QDR_MD \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SS)
+#define QLA82XX_CRB_QDR_NET \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SN)
+#define QLA82XX_CRB_ROMUSB \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_ROMUSB)
+#define QLA82XX_CRB_RPMX_0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX0)
+#define QLA82XX_CRB_RPMX_1 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX1)
+#define QLA82XX_CRB_RPMX_2 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX2)
+#define QLA82XX_CRB_RPMX_3 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX3)
+#define QLA82XX_CRB_RPMX_4 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX4)
+#define QLA82XX_CRB_RPMX_5 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX5)
+#define QLA82XX_CRB_RPMX_6 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX6)
+#define QLA82XX_CRB_RPMX_7 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_RPMX7)
+#define QLA82XX_CRB_SQM_MD_0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQS0)
+#define QLA82XX_CRB_SQM_MD_1 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQS1)
+#define QLA82XX_CRB_SQM_MD_2 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQS2)
+#define QLA82XX_CRB_SQM_MD_3 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQS3)
+#define QLA82XX_CRB_SQM_NET_0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQN0)
+#define QLA82XX_CRB_SQM_NET_1 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQN1)
+#define QLA82XX_CRB_SQM_NET_2 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQN2)
+#define QLA82XX_CRB_SQM_NET_3 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SQN3)
+#define QLA82XX_CRB_SRE \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SRE)
+#define QLA82XX_CRB_TIMER \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_TIMR)
+#define QLA82XX_CRB_XDMA \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_XDMA)
+#define QLA82XX_CRB_I2C0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_I2C0)
+#define QLA82XX_CRB_I2C1 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_I2C1)
+#define QLA82XX_CRB_OCM0 \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_OCM0)
+#define QLA82XX_CRB_SMB \
+	QLA82XX_PCI_CRB_WINDOW(QLA82XX_HW_PX_MAP_CRB_SMB)
+#define QLA82XX_CRB_MAX \
+	QLA82XX_PCI_CRB_WINDOW(64)
+
+/*
+ * ====================== BASE ADDRESSES ON-CHIP ======================
+ * Base addresses of major components on-chip.
+ * ====================== BASE ADDRESSES ON-CHIP ======================
+ */
+#define QLA82XX_ADDR_DDR_NET		(0x0000000000000000ULL)
+#define QLA82XX_ADDR_DDR_NET_MAX	(0x000000000fffffffULL)
+
+/* Imbus address bit used to indicate a host address. This bit is
+ * eliminated by the pcie bar and bar select before presentation
+ * over pcie. */
+/* host memory via IMBUS */
+#define QLA82XX_P2_ADDR_PCIE		(0x0000000800000000ULL)
+#define QLA82XX_P3_ADDR_PCIE		(0x0000008000000000ULL)
+#define QLA82XX_ADDR_PCIE_MAX		(0x0000000FFFFFFFFFULL)
+#define QLA82XX_ADDR_OCM0		(0x0000000200000000ULL)
+#define QLA82XX_ADDR_OCM0_MAX		(0x00000002000fffffULL)
+#define QLA82XX_ADDR_OCM1		(0x0000000200400000ULL)
+#define QLA82XX_ADDR_OCM1_MAX		(0x00000002004fffffULL)
+#define QLA82XX_ADDR_QDR_NET		(0x0000000300000000ULL)
+
+#define QLA82XX_P2_ADDR_QDR_NET_MAX	(0x00000003001fffffULL)
+#define QLA82XX_P3_ADDR_QDR_NET_MAX	(0x0000000303ffffffULL)
+
+#define QLA82XX_PCI_CRBSPACE		(unsigned long)0x06000000
+#define QLA82XX_PCI_DIRECT_CRB		(unsigned long)0x04400000
+#define QLA82XX_PCI_CAMQM		(unsigned long)0x04800000
+#define QLA82XX_PCI_CAMQM_MAX		(unsigned long)0x04ffffff
+#define QLA82XX_PCI_DDR_NET		(unsigned long)0x00000000
+#define QLA82XX_PCI_QDR_NET		(unsigned long)0x04000000
+#define QLA82XX_PCI_QDR_NET_MAX		(unsigned long)0x043fffff
+
+/*
+ *   Register offsets for MN
+ */
+#define MIU_CONTROL			(0x000)
+#define MIU_TAG				(0x004)
+#define MIU_TEST_AGT_CTRL		(0x090)
+#define MIU_TEST_AGT_ADDR_LO		(0x094)
+#define MIU_TEST_AGT_ADDR_HI		(0x098)
+#define MIU_TEST_AGT_WRDATA_LO		(0x0a0)
+#define MIU_TEST_AGT_WRDATA_HI		(0x0a4)
+#define MIU_TEST_AGT_WRDATA(i)		(0x0a0+(4*(i)))
+#define MIU_TEST_AGT_RDDATA_LO		(0x0a8)
+#define MIU_TEST_AGT_RDDATA_HI		(0x0ac)
+#define MIU_TEST_AGT_RDDATA(i)		(0x0a8+(4*(i)))
+#define MIU_TEST_AGT_ADDR_MASK		0xfffffff8
+#define MIU_TEST_AGT_UPPER_ADDR(off)	(0)
+
+/* MIU_TEST_AGT_CTRL flags. work for SIU as well */
+#define MIU_TA_CTL_START	1
+#define MIU_TA_CTL_ENABLE	2
+#define MIU_TA_CTL_WRITE	4
+#define MIU_TA_CTL_BUSY		8
+
+/*CAM RAM */
+# define QLA82XX_CAM_RAM_BASE		(QLA82XX_CRB_CAM + 0x02000)
+# define QLA82XX_CAM_RAM(reg)		(QLA82XX_CAM_RAM_BASE + (reg))
+
+#define QLA82XX_PEG_TUNE_MN_SPD_ZEROED	0x80000000
+#define QLA82XX_BOOT_LOADER_MN_ISSUE	0xff00ffff
+#define QLA82XX_PORT_MODE_ADDR		(QLA82XX_CAM_RAM(0x24))
+#define QLA82XX_PEG_HALT_STATUS1	(QLA82XX_CAM_RAM(0xa8))
+#define QLA82XX_PEG_HALT_STATUS2	(QLA82XX_CAM_RAM(0xac))
+#define QLA82XX_PEG_ALIVE_COUNTER	(QLA82XX_CAM_RAM(0xb0))
+
+#define QLA82XX_CAMRAM_DB1		(QLA82XX_CAM_RAM(0x1b8))
+#define QLA82XX_CAMRAM_DB2		(QLA82XX_CAM_RAM(0x1bc))
+
+#define HALT_STATUS_UNRECOVERABLE	0x80000000
+#define HALT_STATUS_RECOVERABLE		0x40000000
+
+/* Driver Coexistence Defines */
+#define QLA82XX_CRB_DRV_ACTIVE	     (QLA82XX_CAM_RAM(0x138))
+#define QLA82XX_CRB_DEV_STATE	     (QLA82XX_CAM_RAM(0x140))
+#define QLA82XX_CRB_DEV_PART_INFO    (QLA82XX_CAM_RAM(0x14c))
+#define QLA82XX_CRB_DRV_IDC_VERSION  (QLA82XX_CAM_RAM(0x174))
+#define QLA82XX_CRB_DRV_STATE	     (QLA82XX_CAM_RAM(0x144))
+#define QLA82XX_CRB_DRV_SCRATCH      (QLA82XX_CAM_RAM(0x148))
+#define QLA82XX_CRB_DEV_PART_INFO    (QLA82XX_CAM_RAM(0x14c))
+
+/* Every driver should use these Device State */
+#define QLA82XX_DEV_COLD	    1
+#define QLA82XX_DEV_INITIALIZING    2
+#define QLA82XX_DEV_READY	    3
+#define QLA82XX_DEV_NEED_RESET	    4
+#define QLA82XX_DEV_NEED_QUIESCENT  5
+#define QLA82XX_DEV_FAILED	    6
+#define QLA82XX_DEV_QUIESCENT	    7
+
+#define QLA82XX_IDC_VERSION			1
+#define QLA82XX_ROM_DEV_INIT_TIMEOUT		30
+#define QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT	10
+
+#define QLA82XX_ROM_LOCK_ID		(QLA82XX_CAM_RAM(0x100))
+#define QLA82XX_CRB_WIN_LOCK_ID		(QLA82XX_CAM_RAM(0x124))
+#define QLA82XX_FW_VERSION_MAJOR	(QLA82XX_CAM_RAM(0x150))
+#define QLA82XX_FW_VERSION_MINOR	(QLA82XX_CAM_RAM(0x154))
+#define QLA82XX_FW_VERSION_SUB		(QLA82XX_CAM_RAM(0x158))
+#define QLA82XX_PCIE_REG(reg)		(QLA82XX_CRB_PCIE + (reg))
+
+#define PCIE_CHICKEN3			(0x120c8)
+#define PCIE_SETUP_FUNCTION		(0x12040)
+#define PCIE_SETUP_FUNCTION2		(0x12048)
+
+#define QLA82XX_PCIX_PS_REG(reg)	(QLA82XX_CRB_PCIX_MD + (reg))
+#define QLA82XX_PCIX_PS2_REG(reg)	(QLA82XX_CRB_PCIE2 + (reg))
+
+#define PCIE_SEM2_LOCK	     (0x1c010)	/* Flash lock	*/
+#define PCIE_SEM2_UNLOCK     (0x1c014)	/* Flash unlock */
+#define PCIE_SEM5_LOCK	     (0x1c028)	/* Coexistence lock   */
+#define PCIE_SEM5_UNLOCK     (0x1c02c)	/* Coexistence unlock */
+#define PCIE_SEM7_LOCK	     (0x1c038)	/* crb win lock */
+#define PCIE_SEM7_UNLOCK     (0x1c03c)	/* crbwin unlock*/
+
+/* Different drive state */
+#define QLA82XX_DRVST_NOT_RDY		0
+#define	QLA82XX_DRVST_RST_RDY		1
+#define QLA82XX_DRVST_QSNT_RDY		2
+
+/*
+ * The PCI VendorID and DeviceID for our board.
+ */
+#define PCI_DEVICE_ID_QLOGIC_ISP8021		0x8021
+
+#define QLA82XX_MSIX_TBL_SPACE			8192
+#define QLA82XX_PCI_REG_MSIX_TBL		0x44
+#define QLA82XX_PCI_MSIX_CONTROL		0x40
+
+struct crb_128M_2M_sub_block_map {
+	unsigned valid;
+	unsigned start_128M;
+	unsigned end_128M;
+	unsigned start_2M;
+};
+
+struct crb_128M_2M_block_map {
+	struct crb_128M_2M_sub_block_map sub_block[16];
+};
+
+struct crb_addr_pair {
+	long addr;
+	long data;
+};
+
+#define ADDR_ERROR ((unsigned long) 0xffffffff)
+#define MAX_CTL_CHECK	1000
+
+/***************************************************************************
+ *		PCI related defines.
+ **************************************************************************/
+
+/*
+ * Interrupt related defines.
+ */
+#define PCIX_TARGET_STATUS	(0x10118)
+#define PCIX_TARGET_STATUS_F1	(0x10160)
+#define PCIX_TARGET_STATUS_F2	(0x10164)
+#define PCIX_TARGET_STATUS_F3	(0x10168)
+#define PCIX_TARGET_STATUS_F4	(0x10360)
+#define PCIX_TARGET_STATUS_F5	(0x10364)
+#define PCIX_TARGET_STATUS_F6	(0x10368)
+#define PCIX_TARGET_STATUS_F7	(0x1036c)
+
+#define PCIX_TARGET_MASK	(0x10128)
+#define PCIX_TARGET_MASK_F1	(0x10170)
+#define PCIX_TARGET_MASK_F2	(0x10174)
+#define PCIX_TARGET_MASK_F3	(0x10178)
+#define PCIX_TARGET_MASK_F4	(0x10370)
+#define PCIX_TARGET_MASK_F5	(0x10374)
+#define PCIX_TARGET_MASK_F6	(0x10378)
+#define PCIX_TARGET_MASK_F7	(0x1037c)
+
+/*
+ * Message Signaled Interrupts
+ */
+#define PCIX_MSI_F0		(0x13000)
+#define PCIX_MSI_F1		(0x13004)
+#define PCIX_MSI_F2		(0x13008)
+#define PCIX_MSI_F3		(0x1300c)
+#define PCIX_MSI_F4		(0x13010)
+#define PCIX_MSI_F5		(0x13014)
+#define PCIX_MSI_F6		(0x13018)
+#define PCIX_MSI_F7		(0x1301c)
+#define PCIX_MSI_F(FUNC)	(0x13000 + ((FUNC) * 4))
+#define PCIX_INT_VECTOR		(0x10100)
+#define PCIX_INT_MASK		(0x10104)
+
+/*
+ * Interrupt state machine and other bits.
+ */
+#define PCIE_MISCCFG_RC		(0x1206c)
+
+#define ISR_INT_TARGET_STATUS \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS))
+#define ISR_INT_TARGET_STATUS_F1 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F1))
+#define ISR_INT_TARGET_STATUS_F2 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F2))
+#define ISR_INT_TARGET_STATUS_F3 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F3))
+#define ISR_INT_TARGET_STATUS_F4 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F4))
+#define ISR_INT_TARGET_STATUS_F5 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F5))
+#define ISR_INT_TARGET_STATUS_F6 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F6))
+#define ISR_INT_TARGET_STATUS_F7 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_STATUS_F7))
+
+#define ISR_INT_TARGET_MASK \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK))
+#define ISR_INT_TARGET_MASK_F1 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F1))
+#define ISR_INT_TARGET_MASK_F2 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F2))
+#define ISR_INT_TARGET_MASK_F3 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F3))
+#define ISR_INT_TARGET_MASK_F4 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F4))
+#define ISR_INT_TARGET_MASK_F5 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F5))
+#define ISR_INT_TARGET_MASK_F6 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F6))
+#define ISR_INT_TARGET_MASK_F7 \
+	(QLA82XX_PCIX_PS_REG(PCIX_TARGET_MASK_F7))
+
+#define ISR_INT_VECTOR \
+	(QLA82XX_PCIX_PS_REG(PCIX_INT_VECTOR))
+#define ISR_INT_MASK \
+	(QLA82XX_PCIX_PS_REG(PCIX_INT_MASK))
+#define ISR_INT_STATE_REG \
+	(QLA82XX_PCIX_PS_REG(PCIE_MISCCFG_RC))
+
+#define	ISR_MSI_INT_TRIGGER(FUNC) \
+	(QLA82XX_PCIX_PS_REG(PCIX_MSI_F(FUNC)))
+
+#define	ISR_IS_LEGACY_INTR_IDLE(VAL)		(((VAL) & 0x300) == 0)
+#define	ISR_IS_LEGACY_INTR_TRIGGERED(VAL)	(((VAL) & 0x300) == 0x200)
+
+/*
+ * PCI Interrupt Vector Values.
+ */
+#define	PCIX_INT_VECTOR_BIT_F0	0x0080
+#define	PCIX_INT_VECTOR_BIT_F1	0x0100
+#define	PCIX_INT_VECTOR_BIT_F2	0x0200
+#define	PCIX_INT_VECTOR_BIT_F3	0x0400
+#define	PCIX_INT_VECTOR_BIT_F4	0x0800
+#define	PCIX_INT_VECTOR_BIT_F5	0x1000
+#define	PCIX_INT_VECTOR_BIT_F6	0x2000
+#define	PCIX_INT_VECTOR_BIT_F7	0x4000
+
+struct qla82xx_legacy_intr_set {
+	uint32_t	int_vec_bit;
+	uint32_t	tgt_status_reg;
+	uint32_t	tgt_mask_reg;
+	uint32_t	pci_int_reg;
+};
+
+#define QLA82XX_LEGACY_INTR_CONFIG					\
+{									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F0,		\
+		.tgt_status_reg =	ISR_INT_TARGET_STATUS,		\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(0) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F1,		\
+		.tgt_status_reg =	ISR_INT_TARGET_STATUS_F1,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F1,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(1) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F2,		\
+		.tgt_status_reg =	ISR_INT_TARGET_STATUS_F2,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F2,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(2) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F3,		\
+		.tgt_status_reg =	ISR_INT_TARGET_STATUS_F3,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F3,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(3) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F4,		\
+		.tgt_status_reg =	ISR_INT_TARGET_STATUS_F4,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F4,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(4) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F5,		\
+		.tgt_status_reg =	ISR_INT_TARGET_STATUS_F5,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F5,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(5) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F6,		\
+		.tgt_status_reg =	ISR_INT_TARGET_STATUS_F6,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F6,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(6) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F7,		\
+		.tgt_status_reg =	ISR_INT_TARGET_STATUS_F7,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F7,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(7) },	\
+}
+
+#define	BOOTLD_START		0x10000
+#define	IMAGE_START		0x100000
+#define FLASH_ADDR_START	0x43000
+
+/* Magic number to let user know flash is programmed */
+#define QLA82XX_BDINFO_MAGIC	0x12345678
+#define FW_SIZE_OFFSET		(0x3e840c)
+
+#define QLA82XX_IS_REVISION_P3PLUS(_rev_)	((_rev_) >= 0x50)
+#define MIU_TEST_AGT_WRDATA_UPPER_LO		(0x0b0)
+#define	MIU_TEST_AGT_WRDATA_UPPER_HI		(0x0b4)
+
+#ifndef readq
+static inline u64 readq(void __iomem *addr)
+{
+	return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
+}
+#endif
+
+#ifndef writeq
+static inline void writeq(u64 val, void __iomem *addr)
+{
+	writel(((u32) (val)), (addr));
+	writel(((u32) (val >> 32)), (addr + 4));
+}
+#endif
+
+/* Request and response queue size */
+#define REQUEST_ENTRY_CNT_82XX		128	/* Number of request entries. */
+#define RESPONSE_ENTRY_CNT_82XX		128	/* Number of response entries.*/
+
+/*
+ * ISP 8021 I/O Register Set structure definitions.
+ */
+struct device_reg_82xx {
+	uint32_t req_q_out[64];		/* Request Queue out-Pointer (64 * 4) */
+	uint32_t rsp_q_in[64];		/* Response Queue In-Pointer. */
+	uint32_t rsp_q_out[64];		/* Response Queue Out-Pointer. */
+
+	uint16_t mailbox_in[32];	/* Mail box In registers */
+	uint16_t unused_1[32];
+	uint32_t hint;			/* Host interrupt register */
+#define	HINT_MBX_INT_PENDING	BIT_0
+	uint16_t unused_2[62];
+	uint16_t mailbox_out[32];	/* Mail box Out registers */
+	uint32_t unused_3[48];
+
+	uint32_t host_status;		/* host status */
+#define HSRX_RISC_INT		BIT_15	/* RISC to Host interrupt. */
+#define HSRX_RISC_PAUSED	BIT_8	/* RISC Paused. */
+	uint32_t host_int;		/* Interrupt status. */
+#define ISRX_NX_RISC_INT	BIT_0	/* RISC interrupt. */
+};
+
+struct fcp_cmnd {
+	struct scsi_lun lun;
+	uint8_t crn;
+	uint8_t task_attribute;
+	uint8_t task_managment;
+	uint8_t additional_cdb_len;
+	uint8_t cdb[260]; /* 256 for CDB len and 4 for FCP_DL */
+};
+
+struct dsd_dma {
+	struct list_head list;
+	dma_addr_t dsd_list_dma;
+	void *dsd_addr;
+};
+
+#define QLA_DSDS_PER_IOCB	37
+#define QLA_DSD_SIZE		12
+struct ct6_dsd {
+	uint16_t fcp_cmnd_len;
+	dma_addr_t fcp_cmnd_dma;
+	struct fcp_cmnd *fcp_cmnd;
+	int dsd_use_cnt;
+	struct list_head dsd_list;
+};
+
+#define MBC_TOGGLE_INTR			0x10
+
+/* Flash  offset */
+#define FLT_REG_BOOTLOAD_82XX	0x72
+#define FLT_REG_BOOT_CODE_82XX	0x78
+#define FLT_REG_FW_82XX		0x74
+#define FLT_REG_GOLD_FW_82XX	0x75
+#define FLT_REG_VPD_82XX	0x81
+
+#define	FA_VPD_SIZE_82XX	0x400
+
+#define FA_FLASH_LAYOUT_ADDR_82	0xFC400
+
+/******************************************************************************
+*
+*    Definitions specific to M25P flash
+*
+*******************************************************************************
+*   Instructions
+*/
+#define M25P_INSTR_WREN		0x06
+#define M25P_INSTR_WRDI		0x04
+#define M25P_INSTR_RDID		0x9f
+#define M25P_INSTR_RDSR		0x05
+#define M25P_INSTR_WRSR		0x01
+#define M25P_INSTR_READ		0x03
+#define M25P_INSTR_FAST_READ	0x0b
+#define M25P_INSTR_PP		0x02
+#define M25P_INSTR_SE		0xd8
+#define M25P_INSTR_BE		0xc7
+#define M25P_INSTR_DP		0xb9
+#define M25P_INSTR_RES		0xab
+
+#endif
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index f31820691dc..b1adeb71a8b 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -29,6 +29,11 @@ char qla2x00_version_str[40];
  */
 static struct kmem_cache *srb_cachep;
 
+/*
+ * CT6 CTX allocation cache
+ */
+static struct kmem_cache *ctx_cachep;
+
 int ql2xlogintimeout = 20;
 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
 MODULE_PARM_DESC(ql2xlogintimeout,
@@ -65,6 +70,12 @@ MODULE_PARM_DESC(ql2xextended_error_logging,
 		"Option to enable extended error logging, "
 		"Default is 0 - no logging. 1 - log errors.");
 
+int ql2xshiftctondsd = 6;
+module_param(ql2xshiftctondsd, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xshiftctondsd,
+		"Set to control shifting of command type processing "
+		"based on total number of SG elements.");
+
 static void qla2x00_free_device(scsi_qla_host_t *);
 
 int ql2xfdmienable=1;
@@ -114,6 +125,21 @@ MODULE_PARM_DESC(ql2xetsenable,
 		"Enables firmware ETS burst."
 		"Default is 0 - skip ETS enablement.");
 
+int ql2xdbwr;
+module_param(ql2xdbwr, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xdbwr,
+	"Option to specify scheme for request queue posting\n"
+	" 0 -- Regular doorbell.\n"
+	" 1 -- CAMRAM doorbell (faster).\n");
+
+int ql2xdontresethba;
+module_param(ql2xdontresethba, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xdontresethba,
+	"Option to specify reset behaviour\n"
+	" 0 (Default) -- Reset on failure.\n"
+	" 1 -- Do not reset on failure.\n");
+
+
 /*
  * SCSI host template entry points
  */
@@ -183,6 +209,10 @@ qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 static inline void
 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 {
+	/* Currently used for 82XX only. */
+	if (vha->device_flags & DFLG_DEV_FAILED)
+		return;
+
 	mod_timer(&vha->timer, jiffies + interval * HZ);
 }
 
@@ -739,7 +769,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 
 		if (sp == NULL)
 			continue;
-		if (sp->ctx)
+		if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID))
 			continue;
 		if (sp->cmd != cmd)
 			continue;
@@ -834,6 +864,24 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 	return status;
 }
 
+void qla82xx_wait_for_pending_commands(scsi_qla_host_t *vha)
+{
+	int cnt;
+	srb_t *sp;
+	struct req_que *req = vha->req;
+
+	DEBUG2(qla_printk(KERN_INFO, vha->hw,
+		"Waiting for pending commands\n"));
+	for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
+		sp = req->outstanding_cmds[cnt];
+		if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
+			sp, WAIT_HOST) == QLA_SUCCESS) {
+			DEBUG2(qla_printk(KERN_INFO, vha->hw,
+				"Done wait for pending commands\n"));
+		}
+	}
+}
+
 static char *reset_errors[] = {
 	"HBA not online",
 	"HBA not ready",
@@ -1020,11 +1068,19 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 		if (qla2x00_vp_abort_isp(vha))
 			goto eh_host_reset_lock;
 	} else {
+		if (IS_QLA82XX(vha->hw)) {
+			if (!qla82xx_fcoe_ctx_reset(vha)) {
+				/* Ctx reset success */
+				ret = SUCCESS;
+				goto eh_host_reset_lock;
+			}
+			/* fall thru if ctx reset failed */
+		}
 		if (ha->wq)
 			flush_workqueue(ha->wq);
 
 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
-		if (qla2x00_abort_isp(base_vha)) {
+		if (ha->isp_ops->abort_isp(base_vha)) {
 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
 			/* failed. schedule dpc to try */
 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
@@ -1078,7 +1134,7 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
 		}
 	}
 
-	if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
+	if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
 		ret = qla2x00_full_login_lip(vha);
 		if (ret != QLA_SUCCESS) {
 			DEBUG2_3(printk("%s(%ld): failed: "
@@ -1125,7 +1181,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
 			sp = req->outstanding_cmds[cnt];
 			if (sp) {
 				req->outstanding_cmds[cnt] = NULL;
-				if (!sp->ctx) {
+				if (!sp->ctx ||
+				(sp->flags & SRB_FCP_CMND_DMA_VALID)) {
 					sp->cmd->result = res;
 					qla2x00_sp_compl(ha, sp);
 				} else {
@@ -1387,6 +1444,7 @@ static struct isp_operations qla2100_isp_ops = {
 	.write_optrom		= qla2x00_write_optrom_data,
 	.get_flash_version	= qla2x00_get_flash_version,
 	.start_scsi		= qla2x00_start_scsi,
+	.abort_isp		= qla2x00_abort_isp,
 };
 
 static struct isp_operations qla2300_isp_ops = {
@@ -1422,6 +1480,7 @@ static struct isp_operations qla2300_isp_ops = {
 	.write_optrom		= qla2x00_write_optrom_data,
 	.get_flash_version	= qla2x00_get_flash_version,
 	.start_scsi		= qla2x00_start_scsi,
+	.abort_isp		= qla2x00_abort_isp,
 };
 
 static struct isp_operations qla24xx_isp_ops = {
@@ -1457,6 +1516,7 @@ static struct isp_operations qla24xx_isp_ops = {
 	.write_optrom		= qla24xx_write_optrom_data,
 	.get_flash_version	= qla24xx_get_flash_version,
 	.start_scsi		= qla24xx_start_scsi,
+	.abort_isp		= qla2x00_abort_isp,
 };
 
 static struct isp_operations qla25xx_isp_ops = {
@@ -1492,6 +1552,7 @@ static struct isp_operations qla25xx_isp_ops = {
 	.write_optrom		= qla24xx_write_optrom_data,
 	.get_flash_version	= qla24xx_get_flash_version,
 	.start_scsi		= qla24xx_start_scsi,
+	.abort_isp		= qla2x00_abort_isp,
 };
 
 static struct isp_operations qla81xx_isp_ops = {
@@ -1527,6 +1588,43 @@ static struct isp_operations qla81xx_isp_ops = {
 	.write_optrom		= qla24xx_write_optrom_data,
 	.get_flash_version	= qla24xx_get_flash_version,
 	.start_scsi		= qla24xx_start_scsi,
+	.abort_isp		= qla2x00_abort_isp,
+};
+
+static struct isp_operations qla82xx_isp_ops = {
+	.pci_config		= qla82xx_pci_config,
+	.reset_chip		= qla82xx_reset_chip,
+	.chip_diag		= qla24xx_chip_diag,
+	.config_rings		= qla82xx_config_rings,
+	.reset_adapter		= qla24xx_reset_adapter,
+	.nvram_config		= qla81xx_nvram_config,
+	.update_fw_options	= qla24xx_update_fw_options,
+	.load_risc		= qla82xx_load_risc,
+	.pci_info_str		= qla82xx_pci_info_str,
+	.fw_version_str		= qla24xx_fw_version_str,
+	.intr_handler		= qla82xx_intr_handler,
+	.enable_intrs		= qla82xx_enable_intrs,
+	.disable_intrs		= qla82xx_disable_intrs,
+	.abort_command		= qla24xx_abort_command,
+	.target_reset		= qla24xx_abort_target,
+	.lun_reset		= qla24xx_lun_reset,
+	.fabric_login		= qla24xx_login_fabric,
+	.fabric_logout		= qla24xx_fabric_logout,
+	.calc_req_entries	= NULL,
+	.build_iocbs		= NULL,
+	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
+	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
+	.read_nvram		= qla24xx_read_nvram_data,
+	.write_nvram		= qla24xx_write_nvram_data,
+	.fw_dump		= qla24xx_fw_dump,
+	.beacon_on		= qla24xx_beacon_on,
+	.beacon_off		= qla24xx_beacon_off,
+	.beacon_blink		= qla24xx_beacon_blink,
+	.read_optrom		= qla82xx_read_optrom_data,
+	.write_optrom		= qla82xx_write_optrom_data,
+	.get_flash_version	= qla24xx_get_flash_version,
+	.start_scsi             = qla82xx_start_scsi,
+	.abort_isp		= qla82xx_abort_isp,
 };
 
 static inline void
@@ -1615,10 +1713,22 @@ qla2x00_set_isp_flags(struct qla_hw_data *ha)
 		ha->device_type |= DT_IIDMA;
 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
 		break;
+	case PCI_DEVICE_ID_QLOGIC_ISP8021:
+		ha->device_type |= DT_ISP8021;
+		ha->device_type |= DT_ZIO_SUPPORTED;
+		ha->device_type |= DT_FWI2;
+		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
+		/* Initialize 82XX ISP flags */
+		qla82xx_init_flags(ha);
+		break;
 	}
 
-	/* Get adapter physical port no from interrupt pin register. */
-	pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
+	if (IS_QLA82XX(ha))
+		ha->port_no = !(ha->portnum & 1);
+	else
+		/* Get adapter physical port no from interrupt pin register. */
+		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
+
 	if (ha->port_no & 1)
 		ha->flags.port0 = 1;
 	else
@@ -1632,6 +1742,9 @@ qla2x00_iospace_config(struct qla_hw_data *ha)
 	uint16_t msix;
 	int cpus;
 
+	if (IS_QLA82XX(ha))
+		return qla82xx_iospace_config(ha);
+
 	if (pci_request_selected_regions(ha->pdev, ha->bars,
 	    QLA2XXX_DRIVER_NAME)) {
 		qla_printk(KERN_WARNING, ha,
@@ -1775,7 +1888,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
-	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
+	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
+	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
 		mem_only = 1;
 	}
@@ -1905,6 +2019,19 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
 		ha->nvram_conf_off = ~0;
 		ha->nvram_data_off = ~0;
+	} else if (IS_QLA82XX(ha)) {
+		ha->mbx_count = MAILBOX_REGISTER_COUNT;
+		req_length = REQUEST_ENTRY_CNT_82XX;
+		rsp_length = RESPONSE_ENTRY_CNT_82XX;
+		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
+		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
+		ha->gid_list_info_size = 8;
+		ha->optrom_size = OPTROM_SIZE_82XX;
+		ha->isp_ops = &qla82xx_isp_ops;
+		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
+		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
+		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
+		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
 	}
 
 	mutex_init(&ha->vport_lock);
@@ -1977,6 +2104,7 @@ que_init:
 		" pointers\n");
 		goto probe_init_failed;
 	}
+
 	ha->rsp_q_map[0] = rsp;
 	ha->req_q_map[0] = req;
 	rsp->req = req;
@@ -1995,6 +2123,12 @@ que_init:
 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
 	}
 
+	if (IS_QLA82XX(ha)) {
+		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
+		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
+		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
+	}
+
 	if (qla2x00_initialize_adapter(base_vha)) {
 		qla_printk(KERN_WARNING, ha,
 		    "Failed to initialize adapter\n");
@@ -2003,6 +2137,14 @@ que_init:
 		    "Adapter flags %x.\n",
 		    base_vha->host_no, base_vha->device_flags));
 
+		if (IS_QLA82XX(ha)) {
+			qla82xx_idc_lock(ha);
+			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+				QLA82XX_DEV_FAILED);
+			qla82xx_idc_unlock(ha);
+			qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
+		}
+
 		ret = -ENODEV;
 		goto probe_failed;
 	}
@@ -2041,6 +2183,8 @@ skip_dpc:
 	DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
 	    base_vha->host_no, ha));
 
+	ha->isp_ops->enable_intrs(ha);
+
 	ret = scsi_add_host(host, &pdev->dev);
 	if (ret)
 		goto probe_failed;
@@ -2048,8 +2192,6 @@ skip_dpc:
 	base_vha->flags.init_done = 1;
 	base_vha->flags.online = 1;
 
-	ha->isp_ops->enable_intrs(ha);
-
 	scsi_scan_host(host);
 
 	qla2x00_alloc_sysfs_attr(base_vha);
@@ -2091,9 +2233,17 @@ probe_failed:
 	scsi_host_put(base_vha->host);
 
 probe_hw_failed:
-	if (ha->iobase)
-		iounmap(ha->iobase);
-
+	if (IS_QLA82XX(ha)) {
+		qla82xx_idc_lock(ha);
+		qla82xx_clear_drv_active(ha);
+		qla82xx_idc_unlock(ha);
+		iounmap((device_reg_t __iomem *)ha->nx_pcibase);
+		if (!ql2xdbwr)
+			iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
+	} else {
+		if (ha->iobase)
+			iounmap(ha->iobase);
+	}
 	pci_release_selected_regions(ha->pdev, ha->bars);
 	kfree(ha);
 	ha = NULL;
@@ -2160,11 +2310,17 @@ qla2x00_remove_one(struct pci_dev *pdev)
 
 	scsi_host_put(base_vha->host);
 
-	if (ha->iobase)
-		iounmap(ha->iobase);
+	if (IS_QLA82XX(ha)) {
+		iounmap((device_reg_t __iomem *)ha->nx_pcibase);
+		if (!ql2xdbwr)
+			iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
+	} else {
+		if (ha->iobase)
+			iounmap(ha->iobase);
 
-	if (ha->mqiobase)
-		iounmap(ha->mqiobase);
+		if (ha->mqiobase)
+			iounmap(ha->mqiobase);
+	}
 
 	pci_release_selected_regions(ha->pdev, ha->bars);
 	kfree(ha);
@@ -2213,8 +2369,10 @@ qla2x00_free_device(scsi_qla_host_t *vha)
 	vha->flags.online = 0;
 
 	/* turn-off interrupts on the card */
-	if (ha->interrupts_on)
+	if (ha->interrupts_on) {
+		vha->flags.init_done = 0;
 		ha->isp_ops->disable_intrs(ha);
+	}
 
 	qla2x00_free_irqs(vha);
 
@@ -2359,10 +2517,25 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 	if (!ha->srb_mempool)
 		goto fail_free_gid_list;
 
+	if (IS_QLA82XX(ha)) {
+		/* Allocate cache for CT6 Ctx. */
+		if (!ctx_cachep) {
+			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
+				sizeof(struct ct6_dsd), 0,
+				SLAB_HWCACHE_ALIGN, NULL);
+			if (!ctx_cachep)
+				goto fail_free_gid_list;
+		}
+		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
+			ctx_cachep);
+		if (!ha->ctx_mempool)
+			goto fail_free_srb_mempool;
+	}
+
 	/* Get memory for cached NVRAM */
 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
 	if (!ha->nvram)
-		goto fail_free_srb_mempool;
+		goto fail_free_ctx_mempool;
 
 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
 		ha->pdev->device);
@@ -2371,6 +2544,24 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 	if (!ha->s_dma_pool)
 		goto fail_free_nvram;
 
+	if (IS_QLA82XX(ha)) {
+		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
+			DSD_LIST_DMA_POOL_SIZE, 8, 0);
+		if (!ha->dl_dma_pool) {
+			qla_printk(KERN_WARNING, ha,
+			    "Memory Allocation failed - dl_dma_pool\n");
+			goto fail_s_dma_pool;
+		}
+
+		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
+			FCP_CMND_DMA_POOL_SIZE, 8, 0);
+		if (!ha->fcp_cmnd_dma_pool) {
+			qla_printk(KERN_WARNING, ha,
+			    "Memory Allocation failed - fcp_cmnd_dma_pool\n");
+			goto fail_dl_dma_pool;
+		}
+	}
+
 	/* Allocate memory for SNS commands */
 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 	/* Get consistent memory allocated for SNS commands */
@@ -2437,13 +2628,15 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 		ha->npiv_info = NULL;
 
 	/* Get consistent memory allocated for EX-INIT-CB. */
-	if (IS_QLA81XX(ha)) {
+	if (IS_QLA8XXX_TYPE(ha)) {
 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 		    &ha->ex_init_cb_dma);
 		if (!ha->ex_init_cb)
 			goto fail_ex_init_cb;
 	}
 
+	INIT_LIST_HEAD(&ha->gbl_dsd_list);
+
 	INIT_LIST_HEAD(&ha->vp_list);
 	return 1;
 
@@ -2473,11 +2666,24 @@ fail_free_ms_iocb:
 	ha->ms_iocb = NULL;
 	ha->ms_iocb_dma = 0;
 fail_dma_pool:
+	if (IS_QLA82XX(ha)) {
+		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
+		ha->fcp_cmnd_dma_pool = NULL;
+	}
+fail_dl_dma_pool:
+	if (IS_QLA82XX(ha)) {
+		dma_pool_destroy(ha->dl_dma_pool);
+		ha->dl_dma_pool = NULL;
+	}
+fail_s_dma_pool:
 	dma_pool_destroy(ha->s_dma_pool);
 	ha->s_dma_pool = NULL;
 fail_free_nvram:
 	kfree(ha->nvram);
 	ha->nvram = NULL;
+fail_free_ctx_mempool:
+	mempool_destroy(ha->ctx_mempool);
+	ha->ctx_mempool = NULL;
 fail_free_srb_mempool:
 	mempool_destroy(ha->srb_mempool);
 	ha->srb_mempool = NULL;
@@ -2546,7 +2752,8 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
 
 	if (ha->ex_init_cb)
-		dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
+		dma_pool_free(ha->s_dma_pool,
+			ha->ex_init_cb, ha->ex_init_cb_dma);
 
 	if (ha->s_dma_pool)
 		dma_pool_destroy(ha->s_dma_pool);
@@ -2555,14 +2762,39 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 		dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
 		ha->gid_list_dma);
 
+	if (IS_QLA82XX(ha)) {
+		if (!list_empty(&ha->gbl_dsd_list)) {
+			struct dsd_dma *dsd_ptr, *tdsd_ptr;
+
+			/* clean up allocated prev pool */
+			list_for_each_entry_safe(dsd_ptr,
+				tdsd_ptr, &ha->gbl_dsd_list, list) {
+				dma_pool_free(ha->dl_dma_pool,
+				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
+				list_del(&dsd_ptr->list);
+				kfree(dsd_ptr);
+			}
+		}
+	}
+
+	if (ha->dl_dma_pool)
+		dma_pool_destroy(ha->dl_dma_pool);
+
+	if (ha->fcp_cmnd_dma_pool)
+		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
+
+	if (ha->ctx_mempool)
+		mempool_destroy(ha->ctx_mempool);
+
 	if (ha->init_cb)
 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
-		ha->init_cb, ha->init_cb_dma);
+			ha->init_cb, ha->init_cb_dma);
 	vfree(ha->optrom_buffer);
 	kfree(ha->nvram);
 	kfree(ha->npiv_info);
 
 	ha->srb_mempool = NULL;
+	ha->ctx_mempool = NULL;
 	ha->eft = NULL;
 	ha->eft_dma = 0;
 	ha->sns_cmd = NULL;
@@ -2577,6 +2809,8 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 	ha->ex_init_cb_dma = 0;
 
 	ha->s_dma_pool = NULL;
+	ha->dl_dma_pool = NULL;
+	ha->fcp_cmnd_dma_pool = NULL;
 
 	ha->gid_list = NULL;
 	ha->gid_list_dma = 0;
@@ -2904,6 +3138,45 @@ qla2x00_do_dpc(void *data)
 
 		qla2x00_do_work(base_vha);
 
+		if (IS_QLA82XX(ha)) {
+			if (test_and_clear_bit(ISP_UNRECOVERABLE,
+				&base_vha->dpc_flags)) {
+				qla82xx_idc_lock(ha);
+				qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+					QLA82XX_DEV_FAILED);
+				qla82xx_idc_unlock(ha);
+				qla_printk(KERN_INFO, ha,
+					"HW State: FAILED\n");
+				qla82xx_device_state_handler(base_vha);
+				continue;
+			}
+
+			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
+				&base_vha->dpc_flags)) {
+
+				DEBUG(printk(KERN_INFO
+					"scsi(%ld): dpc: sched "
+					"qla82xx_fcoe_ctx_reset ha = %p\n",
+					base_vha->host_no, ha));
+				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
+					&base_vha->dpc_flags))) {
+					if (qla82xx_fcoe_ctx_reset(base_vha)) {
+						/* FCoE-ctx reset failed.
+						 * Escalate to chip-reset
+						 */
+						set_bit(ISP_ABORT_NEEDED,
+							&base_vha->dpc_flags);
+					}
+					clear_bit(ABORT_ISP_ACTIVE,
+						&base_vha->dpc_flags);
+				}
+
+				DEBUG(printk("scsi(%ld): dpc:"
+					" qla82xx_fcoe_ctx_reset end\n",
+					base_vha->host_no));
+			}
+		}
+
 		if (test_and_clear_bit(ISP_ABORT_NEEDED,
 						&base_vha->dpc_flags)) {
 
@@ -2913,7 +3186,7 @@ qla2x00_do_dpc(void *data)
 			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
 			    &base_vha->dpc_flags))) {
 
-				if (qla2x00_abort_isp(base_vha)) {
+				if (ha->isp_ops->abort_isp(base_vha)) {
 					/* failed. retry later */
 					set_bit(ISP_ABORT_NEEDED,
 					    &base_vha->dpc_flags);
@@ -3061,8 +3334,18 @@ qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
 
 	qla2x00_sp_free_dma(sp);
 
-	mempool_free(sp, ha->srb_mempool);
+	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
+		struct ct6_dsd *ctx = sp->ctx;
+		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
+			ctx->fcp_cmnd_dma);
+		list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
+		ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
+		ha->gbl_dsd_avail += ctx->dsd_use_cnt;
+		mempool_free(sp->ctx, ha->ctx_mempool);
+		sp->ctx = NULL;
+	}
 
+	mempool_free(sp, ha->srb_mempool);
 	cmd->scsi_done(cmd);
 }
 
@@ -3087,6 +3370,9 @@ qla2x00_timer(scsi_qla_host_t *vha)
 	struct qla_hw_data *ha = vha->hw;
 	struct req_que *req;
 
+	if (IS_QLA82XX(ha))
+		qla82xx_watchdog(vha);
+
 	/* Hardware read to raise pending EEH errors during mailbox waits. */
 	if (!pci_channel_offline(ha->pdev))
 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
@@ -3201,6 +3487,8 @@ qla2x00_timer(scsi_qla_host_t *vha)
 	    start_dpc ||
 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
+	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
+	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
 		qla2xxx_wake_dpc(vha);
@@ -3210,7 +3498,7 @@ qla2x00_timer(scsi_qla_host_t *vha)
 
 /* Firmware interface routines. */
 
-#define FW_BLOBS	7
+#define FW_BLOBS	8
 #define FW_ISP21XX	0
 #define FW_ISP22XX	1
 #define FW_ISP2300	2
@@ -3218,6 +3506,7 @@ qla2x00_timer(scsi_qla_host_t *vha)
 #define FW_ISP24XX	4
 #define FW_ISP25XX	5
 #define FW_ISP81XX	6
+#define FW_ISP82XX	7
 
 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
@@ -3226,6 +3515,7 @@ qla2x00_timer(scsi_qla_host_t *vha)
 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
+#define FW_FILE_ISP82XX	"ql8200_fw.bin"
 
 static DEFINE_MUTEX(qla_fw_lock);
 
@@ -3237,6 +3527,7 @@ static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
 	{ .name = FW_FILE_ISP24XX, },
 	{ .name = FW_FILE_ISP25XX, },
 	{ .name = FW_FILE_ISP81XX, },
+	{ .name = FW_FILE_ISP82XX, },
 };
 
 struct fw_blob *
@@ -3260,6 +3551,8 @@ qla2x00_request_firmware(scsi_qla_host_t *vha)
 		blob = &qla_fw_blobs[FW_ISP25XX];
 	} else if (IS_QLA81XX(ha)) {
 		blob = &qla_fw_blobs[FW_ISP81XX];
+	} else if (IS_QLA82XX(ha)) {
+		blob = &qla_fw_blobs[FW_ISP82XX];
 	}
 
 	mutex_lock(&qla_fw_lock);
@@ -3400,7 +3693,7 @@ qla2xxx_pci_slot_reset(struct pci_dev *pdev)
 		msleep(1000);
 
 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
-	if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
+	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
 		ret =  PCI_ERS_RESULT_RECOVERED;
 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
 
@@ -3453,6 +3746,7 @@ static struct pci_device_id qla2xxx_pci_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
 	{ 0 },
 };
 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
@@ -3524,6 +3818,8 @@ qla2x00_module_exit(void)
 	pci_unregister_driver(&qla2xxx_pci_driver);
 	qla2x00_release_firmware();
 	kmem_cache_destroy(srb_cachep);
+	if (ctx_cachep)
+		kmem_cache_destroy(ctx_cachep);
 	fc_release_transport(qla2xxx_transport_template);
 	fc_release_transport(qla2xxx_transport_vport_template);
 }
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index e74552c8c5e..de92504d758 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -423,9 +423,6 @@ qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
 /* Flash Manipulation Routines                                               */
 /*****************************************************************************/
 
-#define OPTROM_BURST_SIZE	0x1000
-#define OPTROM_BURST_DWORDS	(OPTROM_BURST_SIZE / 4)
-
 static inline uint32_t
 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
 {
@@ -565,6 +562,10 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
 		*start = FA_FLASH_LAYOUT_ADDR;
 	else if (IS_QLA81XX(ha))
 		*start = FA_FLASH_LAYOUT_ADDR_81;
+	else if (IS_QLA82XX(ha)) {
+		*start = FA_FLASH_LAYOUT_ADDR_82;
+		goto end;
+	}
 	/* Begin with first PCI expansion ROM header. */
 	buf = (uint8_t *)req->ring;
 	dcode = (uint32_t *)req->ring;
@@ -709,10 +710,14 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
 			break;
 		case FLT_REG_VPD_0:
 			ha->flt_region_vpd_nvram = start;
+			if (IS_QLA82XX(ha))
+				break;
 			if (ha->flags.port0)
 				ha->flt_region_vpd = start;
 			break;
 		case FLT_REG_VPD_1:
+			if (IS_QLA82XX(ha))
+				break;
 			if (!ha->flags.port0)
 				ha->flt_region_vpd = start;
 			break;
@@ -746,6 +751,21 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
 			if (!ha->flags.port0)
 				ha->flt_region_fcp_prio = start;
 			break;
+		case FLT_REG_BOOT_CODE_82XX:
+			ha->flt_region_boot = start;
+			break;
+		case FLT_REG_FW_82XX:
+			ha->flt_region_fw = start;
+			break;
+		case FLT_REG_GOLD_FW_82XX:
+			ha->flt_region_gold_fw = start;
+			break;
+		case FLT_REG_BOOTLOAD_82XX:
+			ha->flt_region_bootload = start;
+			break;
+		case FLT_REG_VPD_82XX:
+			ha->flt_region_vpd = start;
+			break;
 		}
 	}
 	goto done;
@@ -791,7 +811,7 @@ qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
 	uint16_t *wptr;
 	struct qla_fdt_layout *fdt;
 	uint8_t	man_id, flash_id;
-	uint16_t mid, fid;
+	uint16_t mid = 0, fid = 0;
 	struct qla_hw_data *ha = vha->hw;
 	struct req_que *req = ha->req_q_map[0];
 
@@ -832,6 +852,10 @@ qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
 	goto done;
 no_flash_data:
 	loc = locations[0];
+	if (IS_QLA82XX(ha)) {
+		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
+		goto done;
+	}
 	qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
 	mid = man_id;
 	fid = flash_id;
@@ -869,6 +893,31 @@ done:
 	    ha->fdt_block_size));
 }
 
+static void
+qla2xxx_get_idc_param(scsi_qla_host_t *vha)
+{
+#define QLA82XX_IDC_PARAM_ADDR       0x003e885c
+	uint32_t *wptr;
+	struct qla_hw_data *ha = vha->hw;
+	struct req_que *req = ha->req_q_map[0];
+
+	if (!IS_QLA82XX(ha))
+		return;
+
+	wptr = (uint32_t *)req->ring;
+	ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
+		QLA82XX_IDC_PARAM_ADDR , 8);
+
+	if (*wptr == __constant_cpu_to_le32(0xffffffff)) {
+		ha->nx_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
+		ha->nx_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
+	} else {
+		ha->nx_dev_init_timeout = le32_to_cpu(*wptr++);
+		ha->nx_reset_timeout = le32_to_cpu(*wptr);
+	}
+	return;
+}
+
 int
 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
 {
@@ -876,7 +925,7 @@ qla2xxx_get_flash_info(scsi_qla_host_t *vha)
 	uint32_t flt_addr;
 	struct qla_hw_data *ha = vha->hw;
 
-	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA81XX(ha))
+	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA8XXX_TYPE(ha))
 		return QLA_SUCCESS;
 
 	ret = qla2xxx_find_flt_start(vha, &flt_addr);
@@ -885,6 +934,7 @@ qla2xxx_get_flash_info(scsi_qla_host_t *vha)
 
 	qla2xxx_get_flt_info(vha, flt_addr);
 	qla2xxx_get_fdt_info(vha);
+	qla2xxx_get_idc_param(vha);
 
 	return QLA_SUCCESS;
 }
@@ -901,7 +951,7 @@ qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
 	struct qla_npiv_entry *entry;
 	struct qla_hw_data *ha = vha->hw;
 
-	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA81XX(ha))
+	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA8XXX_TYPE(ha))
 		return;
 
 	ha->isp_ops->read_optrom(vha, (uint8_t *)&hdr,
@@ -1194,6 +1244,9 @@ qla24xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
 	uint32_t *dwptr;
 	struct qla_hw_data *ha = vha->hw;
 
+	if (IS_QLA82XX(ha))
+		return  buf;
+
 	/* Dword reads to flash. */
 	dwptr = (uint32_t *)buf;
 	for (i = 0; i < bytes >> 2; i++, naddr++)
@@ -1249,6 +1302,9 @@ qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
 
 	ret = QLA_SUCCESS;
 
+	if (IS_QLA82XX(ha))
+		return ret;
+
 	/* Enable flash write. */
 	WRT_REG_DWORD(&reg->ctrl_status,
 	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
@@ -1360,6 +1416,9 @@ qla2x00_beacon_blink(struct scsi_qla_host *vha)
 	struct qla_hw_data *ha = vha->hw;
 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 
+	if (IS_QLA82XX(ha))
+		return;
+
 	spin_lock_irqsave(&ha->hardware_lock, flags);
 
 	/* Save the Original GPIOE. */
@@ -1541,6 +1600,9 @@ qla24xx_beacon_on(struct scsi_qla_host *vha)
 	struct qla_hw_data *ha = vha->hw;
 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 
+	if (IS_QLA82XX(ha))
+		return QLA_SUCCESS;
+
 	if (ha->beacon_blink_led == 0) {
 		/* Enable firmware for update */
 		ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
@@ -1583,6 +1645,9 @@ qla24xx_beacon_off(struct scsi_qla_host *vha)
 	struct qla_hw_data *ha = vha->hw;
 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 
+	if (IS_QLA82XX(ha))
+		return QLA_SUCCESS;
+
 	ha->beacon_blink_led = 0;
 	ha->beacon_color_state = QLA_LED_ALL_ON;
 
@@ -2592,6 +2657,9 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
 	int i;
 	struct qla_hw_data *ha = vha->hw;
 
+	if (IS_QLA82XX(ha))
+		return ret;
+
 	if (!mbuf)
 		return QLA_FUNCTION_FAILED;
 

From 8637ac3340eca9d01f056f81c10fd61d15d2f5ee Mon Sep 17 00:00:00 2001
From: Jing Huang <huangj@Brocade.com>
Date: Tue, 13 Apr 2010 12:22:29 -0700
Subject: [PATCH 0606/3638] [SCSI] bfa: fix compilation warning in powerpc

Fix the compilation warning in powerpc. The same change also fixes endian
issue we found in powerpc test. This patch has been tested in x86 and
powerpc platform. it is created using scsi-misc-2.6.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bfa/bfa_os_inc.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/bfa/bfa_os_inc.h b/drivers/scsi/bfa/bfa_os_inc.h
index 4eb1330d5b3..bd1cd3ee302 100644
--- a/drivers/scsi/bfa/bfa_os_inc.h
+++ b/drivers/scsi/bfa/bfa_os_inc.h
@@ -176,12 +176,12 @@ int bfa_os_MWB(void *);
 #define bfa_os_addr_t char __iomem *
 #define bfa_os_panic()
 
-#define bfa_os_reg_read(_raddr) bfa_os_wtole(readl(_raddr))
-#define bfa_os_reg_write(_raddr, _val) writel(bfa_os_wtole((_val)), (_raddr))
+#define bfa_os_reg_read(_raddr) readl(_raddr)
+#define bfa_os_reg_write(_raddr, _val) writel((_val), (_raddr))
 #define bfa_os_mem_read(_raddr, _off)                                   \
-	bfa_os_ntohl(readl(((_raddr) + (_off))))
+	bfa_os_swap32(readl(((_raddr) + (_off))))
 #define bfa_os_mem_write(_raddr, _off, _val)                            \
-	writel(bfa_os_htonl((_val)), ((_raddr) + (_off)))
+	writel(bfa_os_swap32((_val)), ((_raddr) + (_off)))
 
 #define BFA_TRC_TS(_trcm)						\
 			({						\

From 160e7f671344e40b86663a8913e175a3bb5d7f84 Mon Sep 17 00:00:00 2001
From: Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
Date: Wed, 14 Apr 2010 15:15:14 +0900
Subject: [PATCH 0607/3638] [SCSI] fix sdev_rw_attr macro for scsi device sysfs
 entries

This patch fixes sdev_rw_attr() macro for scsi device sysfs entries.
It seems there is no such function snscanf in the current linux kernel,
so it fails to compile scsi driver when someone try to add a new rw entry.
This has been unfixed for a long time probably because current scsi device
has no rw entries.

# grep snscanf . -rn
./drivers/scsi/scsi_sysfs.c:489:        snscanf (buf, 20, format_string, &sdev->field);                 \

Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_sysfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 838a0db8ea1..c23ab978c3b 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -474,7 +474,7 @@ static DEVICE_ATTR(field, S_IRUGO, sdev_show_##field, NULL);
 
 
 /*
- * sdev_rd_attr: create a function and attribute variable for a
+ * sdev_rw_attr: create a function and attribute variable for a
  * read/write field.
  */
 #define sdev_rw_attr(field, format_string)				\
@@ -486,7 +486,7 @@ sdev_store_##field (struct device *dev, struct device_attribute *attr,	\
 {									\
 	struct scsi_device *sdev;					\
 	sdev = to_scsi_device(dev);					\
-	snscanf (buf, 20, format_string, &sdev->field);			\
+	sscanf (buf, format_string, &sdev->field);			\
 	return count;							\
 }									\
 static DEVICE_ATTR(field, S_IRUGO | S_IWUSR, sdev_show_##field, sdev_store_##field);

From abb12dfd50c7580d7dcbd581cf6265ba4d01ea7e Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Sat, 1 May 2010 15:22:54 -0700
Subject: [PATCH 0608/3638] ioat: convert to circ_buf

Use the common power-of-2 circular buffer macros.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/ioat/dma_v2.c |  2 +-
 drivers/dma/ioat/dma_v2.h | 18 +++++++-----------
 2 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index b5ae56c211e..b6699a35098 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -553,7 +553,7 @@ bool reshape_ring(struct ioat2_dma_chan *ioat, int order)
 	 */
 	struct ioat_chan_common *chan = &ioat->base;
 	struct dma_chan *c = &chan->common;
-	const u16 curr_size = ioat2_ring_mask(ioat) + 1;
+	const u16 curr_size = ioat2_ring_size(ioat);
 	const u16 active = ioat2_ring_active(ioat);
 	const u16 new_size = 1 << order;
 	struct ioat_ring_ent **ring;
diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h
index ef2871fd786..d7b64f188f7 100644
--- a/drivers/dma/ioat/dma_v2.h
+++ b/drivers/dma/ioat/dma_v2.h
@@ -22,6 +22,7 @@
 #define IOATDMA_V2_H
 
 #include <linux/dmaengine.h>
+#include <linux/circ_buf.h>
 #include "dma.h"
 #include "hw.h"
 
@@ -71,31 +72,26 @@ static inline struct ioat2_dma_chan *to_ioat2_chan(struct dma_chan *c)
 	return container_of(chan, struct ioat2_dma_chan, base);
 }
 
-static inline u16 ioat2_ring_mask(struct ioat2_dma_chan *ioat)
+static inline u16 ioat2_ring_size(struct ioat2_dma_chan *ioat)
 {
-	return (1 << ioat->alloc_order) - 1;
+	return 1 << ioat->alloc_order;
 }
 
 /* count of descriptors in flight with the engine */
 static inline u16 ioat2_ring_active(struct ioat2_dma_chan *ioat)
 {
-	return (ioat->head - ioat->tail) & ioat2_ring_mask(ioat);
+	return CIRC_CNT(ioat->head, ioat->tail, ioat2_ring_size(ioat));
 }
 
 /* count of descriptors pending submission to hardware */
 static inline u16 ioat2_ring_pending(struct ioat2_dma_chan *ioat)
 {
-	return (ioat->head - ioat->issued) & ioat2_ring_mask(ioat);
+	return CIRC_CNT(ioat->head, ioat->issued, ioat2_ring_size(ioat));
 }
 
 static inline u16 ioat2_ring_space(struct ioat2_dma_chan *ioat)
 {
-	u16 num_descs = ioat2_ring_mask(ioat) + 1;
-	u16 active = ioat2_ring_active(ioat);
-
-	BUG_ON(active > num_descs);
-
-	return num_descs - active;
+	return ioat2_ring_size(ioat) - ioat2_ring_active(ioat);
 }
 
 /* assumes caller already checked space */
@@ -151,7 +147,7 @@ struct ioat_ring_ent {
 static inline struct ioat_ring_ent *
 ioat2_get_ring_ent(struct ioat2_dma_chan *ioat, u16 idx)
 {
-	return ioat->ring[idx & ioat2_ring_mask(ioat)];
+	return ioat->ring[idx & (ioat2_ring_size(ioat) - 1)];
 }
 
 static inline void ioat2_set_chainaddr(struct ioat2_dma_chan *ioat, u64 addr)

From 074cc47679f8b0931d7d5384e95822d82768f149 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Sat, 1 May 2010 15:22:55 -0700
Subject: [PATCH 0609/3638] ioat2,3: convert to producer/consumer locking

Use separate locks for the descriptor prep (producer) and descriptor
cleanup (consumer) paths.  Allows the producer path to run concurrently
with the cleanup path.  Inspired by Documentation/circular-buffer.txt.

Cc: David Howells <dhowells@redhat.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/ioat/dma.h    |   1 +
 drivers/dma/ioat/dma_v2.c | 178 +++++++++++++++++++-------------------
 drivers/dma/ioat/dma_v2.h |  15 ++--
 drivers/dma/ioat/dma_v3.c | 117 ++++++++-----------------
 4 files changed, 132 insertions(+), 179 deletions(-)

diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 86b97ac8774..0c76578e991 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -96,6 +96,7 @@ struct ioat_chan_common {
 	#define IOAT_COMPLETION_ACK 1
 	#define IOAT_RESET_PENDING 2
 	#define IOAT_KOBJ_INIT_FAIL 3
+	#define IOAT_RESHAPE_PENDING 4
 	struct timer_list timer;
 	#define COMPLETION_TIMEOUT msecs_to_jiffies(100)
 	#define IDLE_TIMEOUT msecs_to_jiffies(2000)
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index b6699a35098..e75d0299bb8 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -56,8 +56,6 @@ void __ioat2_issue_pending(struct ioat2_dma_chan *ioat)
 
 	ioat->dmacount += ioat2_ring_pending(ioat);
 	ioat->issued = ioat->head;
-	/* make descriptor updates globally visible before notifying channel */
-	wmb();
 	writew(ioat->dmacount, chan->reg_base + IOAT_CHAN_DMACOUNT_OFFSET);
 	dev_dbg(to_dev(chan),
 		"%s: head: %#x tail: %#x issued: %#x count: %#x\n",
@@ -69,9 +67,9 @@ void ioat2_issue_pending(struct dma_chan *c)
 	struct ioat2_dma_chan *ioat = to_ioat2_chan(c);
 
 	if (ioat2_ring_pending(ioat)) {
-		spin_lock_bh(&ioat->ring_lock);
+		spin_lock_bh(&ioat->prep_lock);
 		__ioat2_issue_pending(ioat);
-		spin_unlock_bh(&ioat->ring_lock);
+		spin_unlock_bh(&ioat->prep_lock);
 	}
 }
 
@@ -80,7 +78,7 @@ void ioat2_issue_pending(struct dma_chan *c)
  * @ioat: ioat2+ channel
  *
  * Check if the number of unsubmitted descriptors has exceeded the
- * watermark.  Called with ring_lock held
+ * watermark.  Called with prep_lock held
  */
 static void ioat2_update_pending(struct ioat2_dma_chan *ioat)
 {
@@ -92,7 +90,6 @@ static void __ioat2_start_null_desc(struct ioat2_dma_chan *ioat)
 {
 	struct ioat_ring_ent *desc;
 	struct ioat_dma_descriptor *hw;
-	int idx;
 
 	if (ioat2_ring_space(ioat) < 1) {
 		dev_err(to_dev(&ioat->base),
@@ -102,8 +99,7 @@ static void __ioat2_start_null_desc(struct ioat2_dma_chan *ioat)
 
 	dev_dbg(to_dev(&ioat->base), "%s: head: %#x tail: %#x issued: %#x\n",
 		__func__, ioat->head, ioat->tail, ioat->issued);
-	idx = ioat2_desc_alloc(ioat, 1);
-	desc = ioat2_get_ring_ent(ioat, idx);
+	desc = ioat2_get_ring_ent(ioat, ioat->head);
 
 	hw = desc->hw;
 	hw->ctl = 0;
@@ -117,14 +113,16 @@ static void __ioat2_start_null_desc(struct ioat2_dma_chan *ioat)
 	async_tx_ack(&desc->txd);
 	ioat2_set_chainaddr(ioat, desc->txd.phys);
 	dump_desc_dbg(ioat, desc);
+	wmb();
+	ioat->head += 1;
 	__ioat2_issue_pending(ioat);
 }
 
 static void ioat2_start_null_desc(struct ioat2_dma_chan *ioat)
 {
-	spin_lock_bh(&ioat->ring_lock);
+	spin_lock_bh(&ioat->prep_lock);
 	__ioat2_start_null_desc(ioat);
-	spin_unlock_bh(&ioat->ring_lock);
+	spin_unlock_bh(&ioat->prep_lock);
 }
 
 static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
@@ -134,15 +132,16 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 	struct ioat_ring_ent *desc;
 	bool seen_current = false;
 	u16 active;
-	int i;
+	int idx = ioat->tail, i;
 
 	dev_dbg(to_dev(chan), "%s: head: %#x tail: %#x issued: %#x\n",
 		__func__, ioat->head, ioat->tail, ioat->issued);
 
 	active = ioat2_ring_active(ioat);
 	for (i = 0; i < active && !seen_current; i++) {
-		prefetch(ioat2_get_ring_ent(ioat, ioat->tail + i + 1));
-		desc = ioat2_get_ring_ent(ioat, ioat->tail + i);
+		smp_read_barrier_depends();
+		prefetch(ioat2_get_ring_ent(ioat, idx + i + 1));
+		desc = ioat2_get_ring_ent(ioat, idx + i);
 		tx = &desc->txd;
 		dump_desc_dbg(ioat, desc);
 		if (tx->cookie) {
@@ -158,11 +157,12 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 		if (tx->phys == phys_complete)
 			seen_current = true;
 	}
-	ioat->tail += i;
+	smp_mb(); /* finish all descriptor reads before incrementing tail */
+	ioat->tail = idx + i;
 	BUG_ON(active && !seen_current); /* no active descs have written a completion? */
 
 	chan->last_completion = phys_complete;
-	if (ioat->head == ioat->tail) {
+	if (active - i == 0) {
 		dev_dbg(to_dev(chan), "%s: cancel completion timeout\n",
 			__func__);
 		clear_bit(IOAT_COMPLETION_PENDING, &chan->state);
@@ -179,24 +179,9 @@ static void ioat2_cleanup(struct ioat2_dma_chan *ioat)
 	struct ioat_chan_common *chan = &ioat->base;
 	unsigned long phys_complete;
 
-	prefetch(chan->completion);
-
-	if (!spin_trylock_bh(&chan->cleanup_lock))
-		return;
-
-	if (!ioat_cleanup_preamble(chan, &phys_complete)) {
-		spin_unlock_bh(&chan->cleanup_lock);
-		return;
-	}
-
-	if (!spin_trylock_bh(&ioat->ring_lock)) {
-		spin_unlock_bh(&chan->cleanup_lock);
-		return;
-	}
-
-	__cleanup(ioat, phys_complete);
-
-	spin_unlock_bh(&ioat->ring_lock);
+	spin_lock_bh(&chan->cleanup_lock);
+	if (ioat_cleanup_preamble(chan, &phys_complete))
+		__cleanup(ioat, phys_complete);
 	spin_unlock_bh(&chan->cleanup_lock);
 }
 
@@ -287,12 +272,10 @@ void ioat2_timer_event(unsigned long data)
 	struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
 	struct ioat_chan_common *chan = &ioat->base;
 
-	spin_lock_bh(&chan->cleanup_lock);
 	if (test_bit(IOAT_COMPLETION_PENDING, &chan->state)) {
 		unsigned long phys_complete;
 		u64 status;
 
-		spin_lock_bh(&ioat->ring_lock);
 		status = ioat_chansts(chan);
 
 		/* when halted due to errors check for channel
@@ -311,26 +294,31 @@ void ioat2_timer_event(unsigned long data)
 		 * acknowledged a pending completion once, then be more
 		 * forceful with a restart
 		 */
-		if (ioat_cleanup_preamble(chan, &phys_complete))
+		spin_lock_bh(&chan->cleanup_lock);
+		if (ioat_cleanup_preamble(chan, &phys_complete)) {
 			__cleanup(ioat, phys_complete);
-		else if (test_bit(IOAT_COMPLETION_ACK, &chan->state))
+		} else if (test_bit(IOAT_COMPLETION_ACK, &chan->state)) {
+			spin_lock_bh(&ioat->prep_lock);
 			ioat2_restart_channel(ioat);
-		else {
+			spin_unlock_bh(&ioat->prep_lock);
+		} else {
 			set_bit(IOAT_COMPLETION_ACK, &chan->state);
 			mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
 		}
-		spin_unlock_bh(&ioat->ring_lock);
+		spin_unlock_bh(&chan->cleanup_lock);
 	} else {
 		u16 active;
 
 		/* if the ring is idle, empty, and oversized try to step
 		 * down the size
 		 */
-		spin_lock_bh(&ioat->ring_lock);
+		spin_lock_bh(&chan->cleanup_lock);
+		spin_lock_bh(&ioat->prep_lock);
 		active = ioat2_ring_active(ioat);
 		if (active == 0 && ioat->alloc_order > ioat_get_alloc_order())
 			reshape_ring(ioat, ioat->alloc_order-1);
-		spin_unlock_bh(&ioat->ring_lock);
+		spin_unlock_bh(&ioat->prep_lock);
+		spin_unlock_bh(&chan->cleanup_lock);
 
 		/* keep shrinking until we get back to our minimum
 		 * default size
@@ -338,7 +326,6 @@ void ioat2_timer_event(unsigned long data)
 		if (ioat->alloc_order > ioat_get_alloc_order())
 			mod_timer(&chan->timer, jiffies + IDLE_TIMEOUT);
 	}
-	spin_unlock_bh(&chan->cleanup_lock);
 }
 
 static int ioat2_reset_hw(struct ioat_chan_common *chan)
@@ -392,7 +379,7 @@ int ioat2_enumerate_channels(struct ioatdma_device *device)
 
 		ioat_init_channel(device, &ioat->base, i);
 		ioat->xfercap_log = xfercap_log;
-		spin_lock_init(&ioat->ring_lock);
+		spin_lock_init(&ioat->prep_lock);
 		if (device->reset_hw(&ioat->base)) {
 			i = 0;
 			break;
@@ -418,8 +405,17 @@ static dma_cookie_t ioat2_tx_submit_unlock(struct dma_async_tx_descriptor *tx)
 
 	if (!test_and_set_bit(IOAT_COMPLETION_PENDING, &chan->state))
 		mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
+
+	/* make descriptor updates visible before advancing ioat->head,
+	 * this is purposefully not smp_wmb() since we are also
+	 * publishing the descriptor updates to a dma device
+	 */
+	wmb();
+
+	ioat->head += ioat->produce;
+
 	ioat2_update_pending(ioat);
-	spin_unlock_bh(&ioat->ring_lock);
+	spin_unlock_bh(&ioat->prep_lock);
 
 	return cookie;
 }
@@ -531,13 +527,15 @@ int ioat2_alloc_chan_resources(struct dma_chan *c)
 	if (!ring)
 		return -ENOMEM;
 
-	spin_lock_bh(&ioat->ring_lock);
+	spin_lock_bh(&chan->cleanup_lock);
+	spin_lock_bh(&ioat->prep_lock);
 	ioat->ring = ring;
 	ioat->head = 0;
 	ioat->issued = 0;
 	ioat->tail = 0;
 	ioat->alloc_order = order;
-	spin_unlock_bh(&ioat->ring_lock);
+	spin_unlock_bh(&ioat->prep_lock);
+	spin_unlock_bh(&chan->cleanup_lock);
 
 	tasklet_enable(&chan->cleanup_task);
 	ioat2_start_null_desc(ioat);
@@ -653,54 +651,61 @@ bool reshape_ring(struct ioat2_dma_chan *ioat, int order)
 }
 
 /**
- * ioat2_alloc_and_lock - common descriptor alloc boilerplate for ioat2,3 ops
- * @idx: gets starting descriptor index on successful allocation
+ * ioat2_check_space_lock - verify space and grab ring producer lock
  * @ioat: ioat2,3 channel (ring) to operate on
  * @num_descs: allocation length
  */
-int ioat2_alloc_and_lock(u16 *idx, struct ioat2_dma_chan *ioat, int num_descs)
+int ioat2_check_space_lock(struct ioat2_dma_chan *ioat, int num_descs)
 {
 	struct ioat_chan_common *chan = &ioat->base;
+	bool retry;
 
-	spin_lock_bh(&ioat->ring_lock);
+ retry:
+	spin_lock_bh(&ioat->prep_lock);
 	/* never allow the last descriptor to be consumed, we need at
 	 * least one free at all times to allow for on-the-fly ring
 	 * resizing.
 	 */
-	while (unlikely(ioat2_ring_space(ioat) <= num_descs)) {
-		if (reshape_ring(ioat, ioat->alloc_order + 1) &&
-		    ioat2_ring_space(ioat) > num_descs)
-				break;
+	if (likely(ioat2_ring_space(ioat) > num_descs)) {
+		dev_dbg(to_dev(chan), "%s: num_descs: %d (%x:%x:%x)\n",
+			__func__, num_descs, ioat->head, ioat->tail, ioat->issued);
+		ioat->produce = num_descs;
+		return 0;  /* with ioat->prep_lock held */
+	}
+	retry = test_and_set_bit(IOAT_RESHAPE_PENDING, &chan->state);
+	spin_unlock_bh(&ioat->prep_lock);
 
-		if (printk_ratelimit())
-			dev_dbg(to_dev(chan),
-				"%s: ring full! num_descs: %d (%x:%x:%x)\n",
-				__func__, num_descs, ioat->head, ioat->tail,
-				ioat->issued);
-		spin_unlock_bh(&ioat->ring_lock);
+	/* is another cpu already trying to expand the ring? */
+	if (retry)
+		goto retry;
 
-		/* progress reclaim in the allocation failure case we
-		 * may be called under bh_disabled so we need to trigger
-		 * the timer event directly
-		 */
-		spin_lock_bh(&chan->cleanup_lock);
-		if (jiffies > chan->timer.expires &&
-		    timer_pending(&chan->timer)) {
-			struct ioatdma_device *device = chan->device;
+	spin_lock_bh(&chan->cleanup_lock);
+	spin_lock_bh(&ioat->prep_lock);
+	retry = reshape_ring(ioat, ioat->alloc_order + 1);
+	clear_bit(IOAT_RESHAPE_PENDING, &chan->state);
+	spin_unlock_bh(&ioat->prep_lock);
+	spin_unlock_bh(&chan->cleanup_lock);
 
-			mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
-			spin_unlock_bh(&chan->cleanup_lock);
-			device->timer_fn((unsigned long) &chan->common);
-		} else
-			spin_unlock_bh(&chan->cleanup_lock);
-		return -ENOMEM;
+	/* if we were able to expand the ring retry the allocation */
+	if (retry)
+		goto retry;
+
+	if (printk_ratelimit())
+		dev_dbg(to_dev(chan), "%s: ring full! num_descs: %d (%x:%x:%x)\n",
+			__func__, num_descs, ioat->head, ioat->tail, ioat->issued);
+
+	/* progress reclaim in the allocation failure case we may be
+	 * called under bh_disabled so we need to trigger the timer
+	 * event directly
+	 */
+	if (jiffies > chan->timer.expires && timer_pending(&chan->timer)) {
+		struct ioatdma_device *device = chan->device;
+
+		mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
+		device->timer_fn((unsigned long) &chan->common);
 	}
 
-	dev_dbg(to_dev(chan), "%s: num_descs: %d (%x:%x:%x)\n",
-		__func__, num_descs, ioat->head, ioat->tail, ioat->issued);
-
-	*idx = ioat2_desc_alloc(ioat, num_descs);
-	return 0;  /* with ioat->ring_lock held */
+	return -ENOMEM;
 }
 
 struct dma_async_tx_descriptor *
@@ -713,14 +718,11 @@ ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
 	dma_addr_t dst = dma_dest;
 	dma_addr_t src = dma_src;
 	size_t total_len = len;
-	int num_descs;
-	u16 idx;
-	int i;
+	int num_descs, idx, i;
 
 	num_descs = ioat2_xferlen_to_descs(ioat, len);
-	if (likely(num_descs) &&
-	    ioat2_alloc_and_lock(&idx, ioat, num_descs) == 0)
-		/* pass */;
+	if (likely(num_descs) && ioat2_check_space_lock(ioat, num_descs) == 0)
+		idx = ioat->head;
 	else
 		return NULL;
 	i = 0;
@@ -777,7 +779,8 @@ void ioat2_free_chan_resources(struct dma_chan *c)
 	device->cleanup_fn((unsigned long) c);
 	device->reset_hw(chan);
 
-	spin_lock_bh(&ioat->ring_lock);
+	spin_lock_bh(&chan->cleanup_lock);
+	spin_lock_bh(&ioat->prep_lock);
 	descs = ioat2_ring_space(ioat);
 	dev_dbg(to_dev(chan), "freeing %d idle descriptors\n", descs);
 	for (i = 0; i < descs; i++) {
@@ -800,7 +803,8 @@ void ioat2_free_chan_resources(struct dma_chan *c)
 	ioat->alloc_order = 0;
 	pci_pool_free(device->completion_pool, chan->completion,
 		      chan->completion_dma);
-	spin_unlock_bh(&ioat->ring_lock);
+	spin_unlock_bh(&ioat->prep_lock);
+	spin_unlock_bh(&chan->cleanup_lock);
 
 	chan->last_completion = 0;
 	chan->completion_dma = 0;
diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h
index d7b64f188f7..a2c413b2b8d 100644
--- a/drivers/dma/ioat/dma_v2.h
+++ b/drivers/dma/ioat/dma_v2.h
@@ -50,8 +50,9 @@ extern int ioat_ring_alloc_order;
  * @tail: cleanup index
  * @dmacount: identical to 'head' except for occasionally resetting to zero
  * @alloc_order: log2 of the number of allocated descriptors
+ * @produce: number of descriptors to produce at submit time
  * @ring: software ring buffer implementation of hardware ring
- * @ring_lock: protects ring attributes
+ * @prep_lock: serializes descriptor preparation (producers)
  */
 struct ioat2_dma_chan {
 	struct ioat_chan_common base;
@@ -61,8 +62,9 @@ struct ioat2_dma_chan {
 	u16 tail;
 	u16 dmacount;
 	u16 alloc_order;
+	u16 produce;
 	struct ioat_ring_ent **ring;
-	spinlock_t ring_lock;
+	spinlock_t prep_lock;
 };
 
 static inline struct ioat2_dma_chan *to_ioat2_chan(struct dma_chan *c)
@@ -94,13 +96,6 @@ static inline u16 ioat2_ring_space(struct ioat2_dma_chan *ioat)
 	return ioat2_ring_size(ioat) - ioat2_ring_active(ioat);
 }
 
-/* assumes caller already checked space */
-static inline u16 ioat2_desc_alloc(struct ioat2_dma_chan *ioat, u16 len)
-{
-	ioat->head += len;
-	return ioat->head - len;
-}
-
 static inline u16 ioat2_xferlen_to_descs(struct ioat2_dma_chan *ioat, size_t len)
 {
 	u16 num_descs = len >> ioat->xfercap_log;
@@ -164,7 +159,7 @@ int __devinit ioat2_dma_probe(struct ioatdma_device *dev, int dca);
 int __devinit ioat3_dma_probe(struct ioatdma_device *dev, int dca);
 struct dca_provider * __devinit ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase);
 struct dca_provider * __devinit ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase);
-int ioat2_alloc_and_lock(u16 *idx, struct ioat2_dma_chan *ioat, int num_descs);
+int ioat2_check_space_lock(struct ioat2_dma_chan *ioat, int num_descs);
 int ioat2_enumerate_channels(struct ioatdma_device *device);
 struct dma_async_tx_descriptor *
 ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 6740e319c9c..8b573fac2a2 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -260,8 +260,8 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 	struct ioat_chan_common *chan = &ioat->base;
 	struct ioat_ring_ent *desc;
 	bool seen_current = false;
+	int idx = ioat->tail, i;
 	u16 active;
-	int i;
 
 	dev_dbg(to_dev(chan), "%s: head: %#x tail: %#x issued: %#x\n",
 		__func__, ioat->head, ioat->tail, ioat->issued);
@@ -270,13 +270,14 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 	for (i = 0; i < active && !seen_current; i++) {
 		struct dma_async_tx_descriptor *tx;
 
-		prefetch(ioat2_get_ring_ent(ioat, ioat->tail + i + 1));
-		desc = ioat2_get_ring_ent(ioat, ioat->tail + i);
+		smp_read_barrier_depends();
+		prefetch(ioat2_get_ring_ent(ioat, idx + i + 1));
+		desc = ioat2_get_ring_ent(ioat, idx + i);
 		dump_desc_dbg(ioat, desc);
 		tx = &desc->txd;
 		if (tx->cookie) {
 			chan->completed_cookie = tx->cookie;
-			ioat3_dma_unmap(ioat, desc, ioat->tail + i);
+			ioat3_dma_unmap(ioat, desc, idx + i);
 			tx->cookie = 0;
 			if (tx->callback) {
 				tx->callback(tx->callback_param);
@@ -293,69 +294,30 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 			i++;
 		}
 	}
-	ioat->tail += i;
+	smp_mb(); /* finish all descriptor reads before incrementing tail */
+	ioat->tail = idx + i;
 	BUG_ON(active && !seen_current); /* no active descs have written a completion? */
 	chan->last_completion = phys_complete;
 
-	active = ioat2_ring_active(ioat);
-	if (active == 0) {
+	if (active - i == 0) {
 		dev_dbg(to_dev(chan), "%s: cancel completion timeout\n",
 			__func__);
 		clear_bit(IOAT_COMPLETION_PENDING, &chan->state);
 		mod_timer(&chan->timer, jiffies + IDLE_TIMEOUT);
 	}
 	/* 5 microsecond delay per pending descriptor */
-	writew(min((5 * active), IOAT_INTRDELAY_MASK),
+	writew(min((5 * (active - i)), IOAT_INTRDELAY_MASK),
 	       chan->device->reg_base + IOAT_INTRDELAY_OFFSET);
 }
 
-/* try to cleanup, but yield (via spin_trylock) to incoming submissions
- * with the expectation that we will immediately poll again shortly
- */
-static void ioat3_cleanup_poll(struct ioat2_dma_chan *ioat)
+static void ioat3_cleanup(struct ioat2_dma_chan *ioat)
 {
 	struct ioat_chan_common *chan = &ioat->base;
 	unsigned long phys_complete;
 
-	prefetch(chan->completion);
-
-	if (!spin_trylock_bh(&chan->cleanup_lock))
-		return;
-
-	if (!ioat_cleanup_preamble(chan, &phys_complete)) {
-		spin_unlock_bh(&chan->cleanup_lock);
-		return;
-	}
-
-	if (!spin_trylock_bh(&ioat->ring_lock)) {
-		spin_unlock_bh(&chan->cleanup_lock);
-		return;
-	}
-
-	__cleanup(ioat, phys_complete);
-
-	spin_unlock_bh(&ioat->ring_lock);
-	spin_unlock_bh(&chan->cleanup_lock);
-}
-
-/* run cleanup now because we already delayed the interrupt via INTRDELAY */
-static void ioat3_cleanup_sync(struct ioat2_dma_chan *ioat)
-{
-	struct ioat_chan_common *chan = &ioat->base;
-	unsigned long phys_complete;
-
-	prefetch(chan->completion);
-
 	spin_lock_bh(&chan->cleanup_lock);
-	if (!ioat_cleanup_preamble(chan, &phys_complete)) {
-		spin_unlock_bh(&chan->cleanup_lock);
-		return;
-	}
-	spin_lock_bh(&ioat->ring_lock);
-
-	__cleanup(ioat, phys_complete);
-
-	spin_unlock_bh(&ioat->ring_lock);
+	if (ioat_cleanup_preamble(chan, &phys_complete))
+		__cleanup(ioat, phys_complete);
 	spin_unlock_bh(&chan->cleanup_lock);
 }
 
@@ -363,7 +325,7 @@ static void ioat3_cleanup_event(unsigned long data)
 {
 	struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
 
-	ioat3_cleanup_sync(ioat);
+	ioat3_cleanup(ioat);
 	writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
 }
 
@@ -384,12 +346,10 @@ static void ioat3_timer_event(unsigned long data)
 	struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
 	struct ioat_chan_common *chan = &ioat->base;
 
-	spin_lock_bh(&chan->cleanup_lock);
 	if (test_bit(IOAT_COMPLETION_PENDING, &chan->state)) {
 		unsigned long phys_complete;
 		u64 status;
 
-		spin_lock_bh(&ioat->ring_lock);
 		status = ioat_chansts(chan);
 
 		/* when halted due to errors check for channel
@@ -408,26 +368,31 @@ static void ioat3_timer_event(unsigned long data)
 		 * acknowledged a pending completion once, then be more
 		 * forceful with a restart
 		 */
+		spin_lock_bh(&chan->cleanup_lock);
 		if (ioat_cleanup_preamble(chan, &phys_complete))
 			__cleanup(ioat, phys_complete);
-		else if (test_bit(IOAT_COMPLETION_ACK, &chan->state))
+		else if (test_bit(IOAT_COMPLETION_ACK, &chan->state)) {
+			spin_lock_bh(&ioat->prep_lock);
 			ioat3_restart_channel(ioat);
-		else {
+			spin_unlock_bh(&ioat->prep_lock);
+		} else {
 			set_bit(IOAT_COMPLETION_ACK, &chan->state);
 			mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
 		}
-		spin_unlock_bh(&ioat->ring_lock);
+		spin_unlock_bh(&chan->cleanup_lock);
 	} else {
 		u16 active;
 
 		/* if the ring is idle, empty, and oversized try to step
 		 * down the size
 		 */
-		spin_lock_bh(&ioat->ring_lock);
+		spin_lock_bh(&chan->cleanup_lock);
+		spin_lock_bh(&ioat->prep_lock);
 		active = ioat2_ring_active(ioat);
 		if (active == 0 && ioat->alloc_order > ioat_get_alloc_order())
 			reshape_ring(ioat, ioat->alloc_order-1);
-		spin_unlock_bh(&ioat->ring_lock);
+		spin_unlock_bh(&ioat->prep_lock);
+		spin_unlock_bh(&chan->cleanup_lock);
 
 		/* keep shrinking until we get back to our minimum
 		 * default size
@@ -435,7 +400,6 @@ static void ioat3_timer_event(unsigned long data)
 		if (ioat->alloc_order > ioat_get_alloc_order())
 			mod_timer(&chan->timer, jiffies + IDLE_TIMEOUT);
 	}
-	spin_unlock_bh(&chan->cleanup_lock);
 }
 
 static enum dma_status
@@ -447,7 +411,7 @@ ioat3_is_complete(struct dma_chan *c, dma_cookie_t cookie,
 	if (ioat_is_complete(c, cookie, done, used) == DMA_SUCCESS)
 		return DMA_SUCCESS;
 
-	ioat3_cleanup_poll(ioat);
+	ioat3_cleanup(ioat);
 
 	return ioat_is_complete(c, cookie, done, used);
 }
@@ -460,15 +424,12 @@ ioat3_prep_memset_lock(struct dma_chan *c, dma_addr_t dest, int value,
 	struct ioat_ring_ent *desc;
 	size_t total_len = len;
 	struct ioat_fill_descriptor *fill;
-	int num_descs;
 	u64 src_data = (0x0101010101010101ULL) * (value & 0xff);
-	u16 idx;
-	int i;
+	int num_descs, idx, i;
 
 	num_descs = ioat2_xferlen_to_descs(ioat, len);
-	if (likely(num_descs) &&
-	    ioat2_alloc_and_lock(&idx, ioat, num_descs) == 0)
-		/* pass */;
+	if (likely(num_descs) && ioat2_check_space_lock(ioat, num_descs) == 0)
+		idx = ioat->head;
 	else
 		return NULL;
 	i = 0;
@@ -513,11 +474,8 @@ __ioat3_prep_xor_lock(struct dma_chan *c, enum sum_check_flags *result,
 	struct ioat_xor_descriptor *xor;
 	struct ioat_xor_ext_descriptor *xor_ex = NULL;
 	struct ioat_dma_descriptor *hw;
+	int num_descs, with_ext, idx, i;
 	u32 offset = 0;
-	int num_descs;
-	int with_ext;
-	int i;
-	u16 idx;
 	u8 op = result ? IOAT_OP_XOR_VAL : IOAT_OP_XOR;
 
 	BUG_ON(src_cnt < 2);
@@ -537,9 +495,8 @@ __ioat3_prep_xor_lock(struct dma_chan *c, enum sum_check_flags *result,
 	 * (legacy) descriptor to ensure all completion writes arrive in
 	 * order.
 	 */
-	if (likely(num_descs) &&
-	    ioat2_alloc_and_lock(&idx, ioat, num_descs+1) == 0)
-		/* pass */;
+	if (likely(num_descs) && ioat2_check_space_lock(ioat, num_descs+1) == 0)
+		idx = ioat->head;
 	else
 		return NULL;
 	i = 0;
@@ -657,11 +614,8 @@ __ioat3_prep_pq_lock(struct dma_chan *c, enum sum_check_flags *result,
 	struct ioat_pq_ext_descriptor *pq_ex = NULL;
 	struct ioat_dma_descriptor *hw;
 	u32 offset = 0;
-	int num_descs;
-	int with_ext;
-	int i, s;
-	u16 idx;
 	u8 op = result ? IOAT_OP_PQ_VAL : IOAT_OP_PQ;
+	int i, s, idx, with_ext, num_descs;
 
 	dev_dbg(to_dev(chan), "%s\n", __func__);
 	/* the engine requires at least two sources (we provide
@@ -687,8 +641,8 @@ __ioat3_prep_pq_lock(struct dma_chan *c, enum sum_check_flags *result,
 	 * order.
 	 */
 	if (likely(num_descs) &&
-	    ioat2_alloc_and_lock(&idx, ioat, num_descs+1) == 0)
-		/* pass */;
+	    ioat2_check_space_lock(ioat, num_descs+1) == 0)
+		idx = ioat->head;
 	else
 		return NULL;
 	i = 0;
@@ -851,10 +805,9 @@ ioat3_prep_interrupt_lock(struct dma_chan *c, unsigned long flags)
 	struct ioat2_dma_chan *ioat = to_ioat2_chan(c);
 	struct ioat_ring_ent *desc;
 	struct ioat_dma_descriptor *hw;
-	u16 idx;
 
-	if (ioat2_alloc_and_lock(&idx, ioat, 1) == 0)
-		desc = ioat2_get_ring_ent(ioat, idx);
+	if (ioat2_check_space_lock(ioat, 1) == 0)
+		desc = ioat2_get_ring_ent(ioat, ioat->head);
 	else
 		return NULL;
 

From 2adfc550b6d9646301c810643bc309fa49375987 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Sat, 1 May 2010 15:22:56 -0700
Subject: [PATCH 0610/3638] ioat3: disable cacheline-unaligned transfers for
 raid operations

There are cases where cacheline-unaligned raid operations can hang the
dma channel.  Simply disable these operations by increasing the
alignment constraints published to async_tx.  The raid456 driver always
issues page aligned requests, so the only in-kernel user of the ioatdma
driver that is affected by this change is dmatest.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/ioat/dma_v3.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 8b573fac2a2..e2a23952172 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -1175,7 +1175,7 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca)
 	if (cap & IOAT_CAP_XOR) {
 		is_raid_device = true;
 		dma->max_xor = 8;
-		dma->xor_align = 2;
+		dma->xor_align = 6;
 
 		dma_cap_set(DMA_XOR, dma->cap_mask);
 		dma->device_prep_dma_xor = ioat3_prep_xor;
@@ -1186,7 +1186,7 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca)
 	if (cap & IOAT_CAP_PQ) {
 		is_raid_device = true;
 		dma_set_maxpq(dma, 8, 0);
-		dma->pq_align = 2;
+		dma->pq_align = 6;
 
 		dma_cap_set(DMA_PQ, dma->cap_mask);
 		dma->device_prep_dma_pq = ioat3_prep_pq;
@@ -1196,7 +1196,7 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca)
 
 		if (!(cap & IOAT_CAP_XOR)) {
 			dma->max_xor = 8;
-			dma->xor_align = 2;
+			dma->xor_align = 6;
 
 			dma_cap_set(DMA_XOR, dma->cap_mask);
 			dma->device_prep_dma_xor = ioat3_prep_pqxor;

From 859e816704b4139d15b1ec6a3505f12faef5333a Mon Sep 17 00:00:00 2001
From: Mike Miller <mike.miller@hp.com>
Date: Fri, 16 Apr 2010 13:28:41 -0500
Subject: [PATCH 0611/3638] [SCSI] hpsa: remove unneeded defines

This patch removes unnecessary #define's from hpsa. The SCSI midlayer
handles all this for us.

Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/hpsa.c     |  8 --------
 drivers/scsi/hpsa_cmd.h | 15 ---------------
 2 files changed, 23 deletions(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 183d3a43c28..c016426b31b 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2708,14 +2708,6 @@ static void fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
 			c->Request.CDB[8] = (size >> 8) & 0xFF;
 			c->Request.CDB[9] = size & 0xFF;
 			break;
-
-		case HPSA_READ_CAPACITY:
-			c->Request.CDBLen = 10;
-			c->Request.Type.Attribute = ATTR_SIMPLE;
-			c->Request.Type.Direction = XFER_READ;
-			c->Request.Timeout = 0;
-			c->Request.CDB[0] = cmd;
-			break;
 		case HPSA_CACHE_FLUSH:
 			c->Request.CDBLen = 12;
 			c->Request.Type.Attribute = ATTR_SIMPLE;
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 56fb9827681..78de9b6d1e0 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -152,21 +152,6 @@ struct SenseSubsystem_info {
 	u8 reserved1[1108];
 };
 
-#define HPSA_READ_CAPACITY 0x25 /* Read Capacity */
-struct ReadCapdata {
-	u8 total_size[4];	/* Total size in blocks */
-	u8 block_size[4];	/* Size of blocks in bytes */
-};
-
-#if 0
-/* 12 byte commands not implemented in firmware yet. */
-#define HPSA_READ 	0xa8
-#define HPSA_WRITE	0xaa
-#endif
-
-#define HPSA_READ   0x28    /* Read(10) */
-#define HPSA_WRITE  0x2a    /* Write(10) */
-
 /* BMIC commands */
 #define BMIC_READ 0x26
 #define BMIC_WRITE 0x27

From f5832fa2f8dc39adcf3ae348d2d6383163235e79 Mon Sep 17 00:00:00 2001
From: Brian King <brking@linux.vnet.ibm.com>
Date: Tue, 20 Apr 2010 14:21:33 -0500
Subject: [PATCH 0612/3638] [SCSI] ibmvfc: Fix command completion handling

Commands which are completed by the VIOS are placed on a CRQ
in kernel memory for the ibmvfc driver to process. Each CRQ
entry is 16 bytes. The ibmvfc driver reads the first 8 bytes
to check if the entry is valid, then reads the next 8 bytes to get
the handle, which is a pointer the completed command. This fixes
an issue seen on Power 7 where the processor reordered the
loads from memory, resulting in processing command completion
with a stale handle. This could result in command timeouts,
and also early completion of commands.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/ibmvscsi/ibmvfc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index c2eea711a5c..9372169374e 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3013,6 +3013,7 @@ static struct ibmvfc_async_crq *ibmvfc_next_async_crq(struct ibmvfc_host *vhost)
 	if (crq->valid & 0x80) {
 		if (++async_crq->cur == async_crq->size)
 			async_crq->cur = 0;
+		rmb();
 	} else
 		crq = NULL;
 
@@ -3035,6 +3036,7 @@ static struct ibmvfc_crq *ibmvfc_next_crq(struct ibmvfc_host *vhost)
 	if (crq->valid & 0x80) {
 		if (++queue->cur == queue->size)
 			queue->cur = 0;
+		rmb();
 	} else
 		crq = NULL;
 
@@ -3083,12 +3085,14 @@ static void ibmvfc_tasklet(void *data)
 		while ((async = ibmvfc_next_async_crq(vhost)) != NULL) {
 			ibmvfc_handle_async(async, vhost);
 			async->valid = 0;
+			wmb();
 		}
 
 		/* Pull all the valid messages off the CRQ */
 		while ((crq = ibmvfc_next_crq(vhost)) != NULL) {
 			ibmvfc_handle_crq(crq, vhost);
 			crq->valid = 0;
+			wmb();
 		}
 
 		vio_enable_interrupts(vdev);
@@ -3096,10 +3100,12 @@ static void ibmvfc_tasklet(void *data)
 			vio_disable_interrupts(vdev);
 			ibmvfc_handle_async(async, vhost);
 			async->valid = 0;
+			wmb();
 		} else if ((crq = ibmvfc_next_crq(vhost)) != NULL) {
 			vio_disable_interrupts(vdev);
 			ibmvfc_handle_crq(crq, vhost);
 			crq->valid = 0;
+			wmb();
 		} else
 			done = 1;
 	}

From daa142d1773dd3a986f02a8a4da929608d24daaa Mon Sep 17 00:00:00 2001
From: Brian King <brking@linux.vnet.ibm.com>
Date: Tue, 20 Apr 2010 14:21:35 -0500
Subject: [PATCH 0613/3638] [SCSI] ibmvfc: Reduce error recovery timeout

If a command times out resulting in EH getting invoked, we wait for the
aborted commands to come back after sending the abort. Shorten
the amount of time we wait for these responses, to ensure we don't
get stuck in EH for several minutes.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/ibmvscsi/ibmvfc.c | 2 +-
 drivers/scsi/ibmvscsi/ibmvfc.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 9372169374e..d18f45c9563 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2245,7 +2245,7 @@ static int ibmvfc_wait_for_ops(struct ibmvfc_host *vhost, void *device,
 	DECLARE_COMPLETION_ONSTACK(comp);
 	int wait;
 	unsigned long flags;
-	signed long timeout = init_timeout * HZ;
+	signed long timeout = IBMVFC_ABORT_WAIT_TIMEOUT * HZ;
 
 	ENTER;
 	do {
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index d25106a958d..7e9742764e4 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -38,6 +38,7 @@
 #define IBMVFC_ADISC_PLUS_CANCEL_TIMEOUT	\
 		(IBMVFC_ADISC_TIMEOUT + IBMVFC_ADISC_CANCEL_TIMEOUT)
 #define IBMVFC_INIT_TIMEOUT		120
+#define IBMVFC_ABORT_WAIT_TIMEOUT	40
 #define IBMVFC_MAX_REQUESTS_DEFAULT	100
 
 #define IBMVFC_DEBUG			0

From 2471b894068ec59ab3012e788401b345ef459e49 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 23 Apr 2010 14:01:04 +0200
Subject: [PATCH 0614/3638] [SCSI] pm8001: potential null dereference in
 pm8001_dev_gone_notify()

In the original code we dereferenced "pm8001_dev" before checking if it
was null.  This patch moves the dereference inside the condition.

This was found by a static checker (smatch).  I looked, but I couldn't
tell if "pm8001_dev" dev was ever actually null.  The approach in this
patch seemed like the safest response.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/pm8001/pm8001_sas.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index bff4f5139b9..cd02ceaf67f 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -885,11 +885,13 @@ static void pm8001_dev_gone_notify(struct domain_device *dev)
 	u32 tag;
 	struct pm8001_hba_info *pm8001_ha;
 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
-	u32 device_id = pm8001_dev->device_id;
+
 	pm8001_ha = pm8001_find_ha_by_dev(dev);
 	spin_lock_irqsave(&pm8001_ha->lock, flags);
 	pm8001_tag_alloc(pm8001_ha, &tag);
 	if (pm8001_dev) {
+		u32 device_id = pm8001_dev->device_id;
+
 		PM8001_DISC_DBG(pm8001_ha,
 			pm8001_printk("found dev[%d:%x] is gone.\n",
 			pm8001_dev->device_id, pm8001_dev->dev_type));

From 7407e5bba2cc821950344fd1391d9ad1b7e0b397 Mon Sep 17 00:00:00 2001
From: Tom Rini <tom_rini@mentor.com>
Date: Tue, 27 Apr 2010 14:11:47 -0700
Subject: [PATCH 0615/3638] [SCSI] Unexport scsi/scsi.h from headers_install

The scsi/scsi.h header is normally provided by the libc (and was not
exported by the kernel since 2.6.24) and has been until it was
re-exported with 2.6.31.  The kernel version is not userspace clean and
does not appear to provide anything useable in userland over the
(e)glibc version.

Signed-off-by: Tom Rini <tom_rini@mentor.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 include/scsi/Kbuild | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/scsi/Kbuild b/include/scsi/Kbuild
index b3a0ee6b2f1..f2b94918994 100644
--- a/include/scsi/Kbuild
+++ b/include/scsi/Kbuild
@@ -1,4 +1,3 @@
-header-y += scsi.h
 header-y += scsi_netlink.h
 header-y += scsi_netlink_fc.h
 header-y += scsi_bsg_fc.h

From 3487d9e7c4727b3e587f61d2120e35e34f200faa Mon Sep 17 00:00:00 2001
From: Roland Dreier <rdreier@cisco.com>
Date: Tue, 27 Apr 2010 22:39:22 -0700
Subject: [PATCH 0616/3638] [SCSI] cxgb3i: Fix error path for module init

If cxgb3i_pdu_init() fails, then it appears that cxgb3i_iscsi_init()
will not be cleaned up, leading to the iscsi transport being left
registered.  Fix this by adding a call to cxgb3i_iscsi_cleanup() on the
error path.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: Karen Xie <kxie@chelsio.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/cxgb3i/cxgb3i_init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/cxgb3i/cxgb3i_init.c b/drivers/scsi/cxgb3i/cxgb3i_init.c
index d0ab23a5835..685af369851 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_init.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_init.c
@@ -104,8 +104,10 @@ static int __init cxgb3i_init_module(void)
 		return err;
 
 	err = cxgb3i_pdu_init();
-	if (err < 0)
+	if (err < 0) {
+		cxgb3i_iscsi_cleanup();
 		return err;
+	}
 
 	cxgb3_register_client(&t3c_client);
 

From 2a49a78ed3c8d7c8319595270110c69f99c61a74 Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Wed, 28 Apr 2010 11:37:07 +0530
Subject: [PATCH 0617/3638] [SCSI] qla4xxx: added IPv6 support.

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla4xxx/ql4_def.h  |  40 ++++-
 drivers/scsi/qla4xxx/ql4_fw.h   |  45 ++++-
 drivers/scsi/qla4xxx/ql4_init.c | 220 +++++++++++++++++++-----
 drivers/scsi/qla4xxx/ql4_mbx.c  | 286 +++++++++++++++++++++-----------
 4 files changed, 447 insertions(+), 144 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 81b5f29254e..3175709d486 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -114,6 +114,7 @@
  */
 #define MAC_ADDR_LEN			6	/* in bytes */
 #define IP_ADDR_LEN			4	/* in bytes */
+#define IPv6_ADDR_LEN			16	/* IPv6 address size */
 #define DRIVER_NAME			"qla4xxx"
 
 #define MAX_LINKED_CMDS_PER_LUN		3
@@ -220,7 +221,7 @@ struct ddb_entry {
 
 	uint16_t os_target_id;	/* Target ID */
 	uint16_t fw_ddb_index;	/* DDB firmware index */
-	uint8_t reserved[2];
+	uint16_t options;
 	uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
 
 	uint32_t CmdSn;
@@ -245,10 +246,18 @@ struct ddb_entry {
 
 	uint16_t port;
 	uint32_t tpgt;
-	uint8_t ip_addr[ISCSI_IPADDR_SIZE];
+	uint8_t ip_addr[IP_ADDR_LEN];
 	uint8_t iscsi_name[ISCSI_NAME_SIZE];	/* 72 x48 */
 	uint8_t iscsi_alias[0x20];
 	uint8_t isid[6];
+	uint16_t iscsi_max_burst_len;
+	uint16_t iscsi_max_outsnd_r2t;
+	uint16_t iscsi_first_burst_len;
+	uint16_t iscsi_max_rcv_data_seg_len;
+	uint16_t iscsi_max_snd_data_seg_len;
+
+	struct in6_addr remote_ipv6_addr;
+	struct in6_addr link_local_ipv6_addr;
 };
 
 /*
@@ -441,8 +450,35 @@ struct scsi_qla_host {
 
 	/* Saved srb for status continuation entry processing */
 	struct srb *status_srb;
+
+	/* IPv6 support info from InitFW */
+	uint8_t acb_version;
+	uint8_t ipv4_addr_state;
+	uint16_t ipv4_options;
+
+	uint32_t resvd2;
+	uint32_t ipv6_options;
+	uint32_t ipv6_addl_options;
+	uint8_t ipv6_link_local_state;
+	uint8_t ipv6_addr0_state;
+	uint8_t ipv6_addr1_state;
+	uint8_t ipv6_default_router_state;
+	struct in6_addr ipv6_link_local_addr;
+	struct in6_addr ipv6_addr0;
+	struct in6_addr ipv6_addr1;
+	struct in6_addr ipv6_default_router_addr;
 };
 
+static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
+{
+	return ((ha->ipv4_options & IPOPT_IPv4_PROTOCOL_ENABLE) != 0);
+}
+
+static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
+{
+	return ((ha->ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
+}
+
 static inline int is_qla4010(struct scsi_qla_host *ha)
 {
 	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 9cd7a608df3..dfe7b4dd391 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -258,13 +258,15 @@ union external_hw_config_reg {
 /* Mailbox 1 */
 #define FW_STATE_READY				0x0000
 #define FW_STATE_CONFIG_WAIT			0x0001
-#define FW_STATE_WAIT_LOGIN			0x0002
+#define FW_STATE_WAIT_AUTOCONNECT		0x0002
 #define FW_STATE_ERROR				0x0004
-#define FW_STATE_DHCP_IN_PROGRESS		0x0008
+#define FW_STATE_CONFIGURING_IP			0x0008
 
 /* Mailbox 3 */
 #define FW_ADDSTATE_OPTICAL_MEDIA		0x0001
-#define FW_ADDSTATE_DHCP_ENABLED		0x0002
+#define FW_ADDSTATE_DHCPv4_ENABLED		0x0002
+#define FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED	0x0004
+#define FW_ADDSTATE_DHCPv4_LEASE_EXPIRED	0x0008
 #define FW_ADDSTATE_LINK_UP			0x0010
 #define FW_ADDSTATE_ISNS_SVC_ENABLED		0x0020
 #define MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS	0x006B
@@ -320,6 +322,8 @@ union external_hw_config_reg {
 /* Host Adapter Initialization Control Block (from host) */
 struct addr_ctrl_blk {
 	uint8_t version;	/* 00 */
+#define  IFCB_VER_MIN			0x01
+#define  IFCB_VER_MAX			0x02
 	uint8_t control;	/* 01 */
 
 	uint16_t fw_options;	/* 02-03 */
@@ -351,11 +355,16 @@ struct addr_ctrl_blk {
 	uint16_t iscsi_opts;	/* 30-31 */
 	uint16_t ipv4_tcp_opts;	/* 32-33 */
 	uint16_t ipv4_ip_opts;	/* 34-35 */
+#define  IPOPT_IPv4_PROTOCOL_ENABLE	0x8000
 
 	uint16_t iscsi_max_pdu_size;	/* 36-37 */
 	uint8_t ipv4_tos;	/* 38 */
 	uint8_t ipv4_ttl;	/* 39 */
 	uint8_t acb_version;	/* 3A */
+#define ACB_NOT_SUPPORTED		0x00
+#define ACB_SUPPORTED			0x02 /* Capable of ACB Version 2
+						Features */
+
 	uint8_t res2;	/* 3B */
 	uint16_t def_timeout;	/* 3C-3D */
 	uint16_t iscsi_fburst_len;	/* 3E-3F */
@@ -397,16 +406,35 @@ struct addr_ctrl_blk {
 	uint32_t cookie;	/* 200-203 */
 	uint16_t ipv6_port;	/* 204-205 */
 	uint16_t ipv6_opts;	/* 206-207 */
+#define IPV6_OPT_IPV6_PROTOCOL_ENABLE	0x8000
+
 	uint16_t ipv6_addtl_opts;	/* 208-209 */
+#define IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE	0x0002 /* Pri ACB
+								  Only */
+#define IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR		0x0001
+
 	uint16_t ipv6_tcp_opts;	/* 20A-20B */
 	uint8_t ipv6_tcp_wsf;	/* 20C */
 	uint16_t ipv6_flow_lbl;	/* 20D-20F */
-	uint8_t ipv6_gw_addr[16];	/* 210-21F */
+	uint8_t ipv6_dflt_rtr_addr[16]; /* 210-21F */
 	uint16_t ipv6_vlan_tag;	/* 220-221 */
 	uint8_t ipv6_lnk_lcl_addr_state;/* 222 */
 	uint8_t ipv6_addr0_state;	/* 223 */
 	uint8_t ipv6_addr1_state;	/* 224 */
-	uint8_t ipv6_gw_state;	/* 225 */
+#define IP_ADDRSTATE_UNCONFIGURED	0
+#define IP_ADDRSTATE_INVALID		1
+#define IP_ADDRSTATE_ACQUIRING		2
+#define IP_ADDRSTATE_TENTATIVE		3
+#define IP_ADDRSTATE_DEPRICATED		4
+#define IP_ADDRSTATE_PREFERRED		5
+#define IP_ADDRSTATE_DISABLING		6
+
+	uint8_t ipv6_dflt_rtr_state;    /* 225 */
+#define IPV6_RTRSTATE_UNKNOWN                   0
+#define IPV6_RTRSTATE_MANUAL                    1
+#define IPV6_RTRSTATE_ADVERTISED                3
+#define IPV6_RTRSTATE_STALE                     4
+
 	uint8_t ipv6_traffic_class;	/* 226 */
 	uint8_t ipv6_hop_limit;	/* 227 */
 	uint8_t ipv6_if_id[8];	/* 228-22F */
@@ -424,7 +452,7 @@ struct addr_ctrl_blk {
 
 struct init_fw_ctrl_blk {
 	struct addr_ctrl_blk pri;
-	struct addr_ctrl_blk sec;
+/*	struct addr_ctrl_blk sec;*/
 };
 
 /*************************************************************************/
@@ -433,6 +461,9 @@ struct dev_db_entry {
 	uint16_t options;	/* 00-01 */
 #define DDB_OPT_DISC_SESSION  0x10
 #define DDB_OPT_TARGET	      0x02 /* device is a target */
+#define DDB_OPT_IPV6_DEVICE	0x100
+#define DDB_OPT_IPV6_NULL_LINK_LOCAL		0x800 /* post connection */
+#define DDB_OPT_IPV6_FW_DEFINED_LINK_LOCAL	0x800 /* pre connection */
 
 	uint16_t exec_throttle;	/* 02-03 */
 	uint16_t exec_count;	/* 04-05 */
@@ -468,7 +499,7 @@ struct dev_db_entry {
 					 * pointer to a string so we
 					 * don't have to reserve soooo
 					 * much RAM */
-	uint8_t ipv6_addr[0x10];/* 1A0-1AF */
+	uint8_t link_local_ipv6_addr[0x10]; /* 1A0-1AF */
 	uint8_t res5[0x10];	/* 1B0-1BF */
 	uint16_t ddb_link;	/* 1C0-1C1 */
 	uint16_t chap_tbl_idx;	/* 1C2-1C3 */
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 92329a461c6..36ec02c49a1 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -189,6 +189,78 @@ static int qla4xxx_init_local_data(struct scsi_qla_host *ha)
 	return qla4xxx_get_firmware_status(ha);
 }
 
+static uint8_t
+qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
+{
+	uint8_t ipv4_wait = 0;
+	uint8_t ipv6_wait = 0;
+	int8_t ip_address[IPv6_ADDR_LEN] = {0} ;
+
+	/* If both IPv4 & IPv6 are enabled, possibly only one
+	 * IP address may be acquired, so check to see if we
+	 * need to wait for another */
+	if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) {
+		if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) &&
+		    ((ha->addl_fw_state &
+				    FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) {
+			ipv4_wait = 1;
+		}
+		if (((ha->ipv6_addl_options &
+			    IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) &&
+		    ((ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING) ||
+		     (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING) ||
+		     (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING))) {
+
+			ipv6_wait = 1;
+
+			if ((ha->ipv6_link_local_state ==
+						     IP_ADDRSTATE_PREFERRED) ||
+			    (ha->ipv6_addr0_state == IP_ADDRSTATE_PREFERRED) ||
+			    (ha->ipv6_addr1_state == IP_ADDRSTATE_PREFERRED)) {
+				DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
+					      "Preferred IP configured."
+					      " Don't wait!\n", ha->host_no,
+					      __func__));
+				ipv6_wait = 0;
+			}
+			if (memcmp(&ha->ipv6_default_router_addr, ip_address,
+				IPv6_ADDR_LEN) == 0) {
+				DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
+					      "No Router configured. "
+					      "Don't wait!\n", ha->host_no,
+					      __func__));
+				ipv6_wait = 0;
+			}
+			if ((ha->ipv6_default_router_state ==
+						IPV6_RTRSTATE_MANUAL) &&
+			    (ha->ipv6_link_local_state ==
+						IP_ADDRSTATE_TENTATIVE) &&
+			    (memcmp(&ha->ipv6_link_local_addr,
+				    &ha->ipv6_default_router_addr, 4) == 0)) {
+				DEBUG2(printk("scsi%ld: %s: LinkLocal Router & "
+					"IP configured. Don't wait!\n",
+					ha->host_no, __func__));
+				ipv6_wait = 0;
+			}
+		}
+		if (ipv4_wait || ipv6_wait) {
+			DEBUG2(printk("scsi%ld: %s: Wait for additional "
+				      "IP(s) \"", ha->host_no, __func__));
+			if (ipv4_wait)
+				DEBUG2(printk("IPv4 "));
+			if (ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING)
+				DEBUG2(printk("IPv6LinkLocal "));
+			if (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING)
+				DEBUG2(printk("IPv6Addr0 "));
+			if (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING)
+				DEBUG2(printk("IPv6Addr1 "));
+			DEBUG2(printk("\"\n"));
+		}
+	}
+
+	return ipv4_wait|ipv6_wait;
+}
+
 static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
 {
 	uint32_t timeout_count;
@@ -226,38 +298,80 @@ static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
 			continue;
 		}
 
-		if (ha->firmware_state == FW_STATE_READY) {
-			DEBUG2(dev_info(&ha->pdev->dev, "Firmware Ready..\n"));
-			/* The firmware is ready to process SCSI commands. */
-			DEBUG2(dev_info(&ha->pdev->dev,
-					  "scsi%ld: %s: MEDIA TYPE - %s\n",
-					  ha->host_no,
-					  __func__, (ha->addl_fw_state &
-						     FW_ADDSTATE_OPTICAL_MEDIA)
-					  != 0 ? "OPTICAL" : "COPPER"));
-			DEBUG2(dev_info(&ha->pdev->dev,
-					  "scsi%ld: %s: DHCP STATE Enabled "
-					  "%s\n",
-					  ha->host_no, __func__,
-					  (ha->addl_fw_state &
-					   FW_ADDSTATE_DHCP_ENABLED) != 0 ?
-					  "YES" : "NO"));
-			DEBUG2(dev_info(&ha->pdev->dev,
-					  "scsi%ld: %s: LINK %s\n",
-					  ha->host_no, __func__,
-					  (ha->addl_fw_state &
-					   FW_ADDSTATE_LINK_UP) != 0 ?
-					  "UP" : "DOWN"));
-			DEBUG2(dev_info(&ha->pdev->dev,
-					  "scsi%ld: %s: iSNS Service "
-					  "Started %s\n",
-					  ha->host_no, __func__,
-					  (ha->addl_fw_state &
-					   FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ?
-					  "YES" : "NO"));
+		if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
+			DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
+				      "AUTOCONNECT in progress\n",
+				      ha->host_no, __func__));
+		}
 
-			ready = 1;
-			break;
+		if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
+			DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
+				      " CONFIGURING IP\n",
+				      ha->host_no, __func__));
+			/*
+			 * Check for link state after 15 secs and if link is
+			 * still DOWN then, cable is unplugged. Ignore "DHCP
+			 * in Progress/CONFIGURING IP" bit to check if firmware
+			 * is in ready state or not after 15 secs.
+			 * This is applicable for both 2.x & 3.x firmware
+			 */
+			if (timeout_count <= (ADAPTER_INIT_TOV - 15)) {
+				if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) {
+					DEBUG2(printk(KERN_INFO "scsi%ld: %s:"
+						  " LINK UP (Cable plugged)\n",
+						  ha->host_no, __func__));
+				} else if (ha->firmware_state &
+					  (FW_STATE_CONFIGURING_IP |
+							     FW_STATE_READY)) {
+					DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
+						"LINK DOWN (Cable unplugged)\n",
+						ha->host_no, __func__));
+					ha->firmware_state = FW_STATE_READY;
+				}
+			}
+		}
+
+		if (ha->firmware_state == FW_STATE_READY) {
+			/* If DHCP IP Addr is available, retrieve it now. */
+			if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR,
+								&ha->dpc_flags))
+				qla4xxx_get_dhcp_ip_address(ha);
+
+			if (!qla4xxx_wait_for_ip_config(ha) ||
+							timeout_count == 1) {
+				DEBUG2(dev_info(&ha->pdev->dev,
+						"Firmware Ready..\n"));
+				/* The firmware is ready to process SCSI
+				   commands. */
+				DEBUG2(dev_info(&ha->pdev->dev,
+					"scsi%ld: %s: MEDIA TYPE"
+					" - %s\n", ha->host_no,
+					__func__, (ha->addl_fw_state &
+					FW_ADDSTATE_OPTICAL_MEDIA)
+					!= 0 ? "OPTICAL" : "COPPER"));
+				DEBUG2(dev_info(&ha->pdev->dev,
+					"scsi%ld: %s: DHCPv4 STATE"
+					" Enabled %s\n", ha->host_no,
+					 __func__, (ha->addl_fw_state &
+					 FW_ADDSTATE_DHCPv4_ENABLED) != 0 ?
+					"YES" : "NO"));
+				DEBUG2(dev_info(&ha->pdev->dev,
+					"scsi%ld: %s: LINK %s\n",
+					ha->host_no, __func__,
+					(ha->addl_fw_state &
+					 FW_ADDSTATE_LINK_UP) != 0 ?
+					"UP" : "DOWN"));
+				DEBUG2(dev_info(&ha->pdev->dev,
+					"scsi%ld: %s: iSNS Service "
+					"Started %s\n",
+					ha->host_no, __func__,
+					(ha->addl_fw_state &
+					 FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ?
+					"YES" : "NO"));
+
+				ready = 1;
+				break;
+			}
 		}
 		DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - "
 			      "seconds expired= %d\n", ha->host_no, __func__,
@@ -272,15 +386,19 @@ static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
 		msleep(1000);
 	}			/* end of for */
 
-	if (timeout_count == 0)
+	if (timeout_count <= 0)
 		DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n",
 			      ha->host_no, __func__));
 
-	if (ha->firmware_state & FW_STATE_DHCP_IN_PROGRESS)  {
-		DEBUG2(printk("scsi%ld: %s: FW is reporting its waiting to"
-			      " grab an IP address from DHCP server\n",
-			      ha->host_no, __func__));
+	if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
+		DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting "
+			      "it's waiting to configure an IP address\n",
+			       ha->host_no, __func__));
 		ready = 1;
+	} else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
+		DEBUG2(printk("scsi%ld: %s: FW initialized, but "
+			      "auto-discovery still in process\n",
+			       ha->host_no, __func__));
 	}
 
 	return ready;
@@ -419,6 +537,7 @@ static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha,
 	}
 
 	status = QLA_SUCCESS;
+	ddb_entry->options = le16_to_cpu(fw_ddb_entry->options);
 	ddb_entry->target_session_id = le16_to_cpu(fw_ddb_entry->tsid);
 	ddb_entry->task_mgmt_timeout =
 		le16_to_cpu(fw_ddb_entry->def_timeout);
@@ -442,11 +561,30 @@ static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha,
 	memcpy(&ddb_entry->ip_addr[0], &fw_ddb_entry->ip_addr[0],
 	       min(sizeof(ddb_entry->ip_addr), sizeof(fw_ddb_entry->ip_addr)));
 
-	DEBUG2(printk("scsi%ld: %s: ddb[%d] - State= %x status= %d.\n",
-		      ha->host_no, __func__, fw_ddb_index,
-		      ddb_entry->fw_ddb_device_state, status));
+	ddb_entry->iscsi_max_burst_len = fw_ddb_entry->iscsi_max_burst_len;
+	ddb_entry->iscsi_max_outsnd_r2t = fw_ddb_entry->iscsi_max_outsnd_r2t;
+	ddb_entry->iscsi_first_burst_len = fw_ddb_entry->iscsi_first_burst_len;
+	ddb_entry->iscsi_max_rcv_data_seg_len =
+				fw_ddb_entry->iscsi_max_rcv_data_seg_len;
+	ddb_entry->iscsi_max_snd_data_seg_len =
+				fw_ddb_entry->iscsi_max_snd_data_seg_len;
 
- exit_update_ddb:
+	if (ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
+		memcpy(&ddb_entry->remote_ipv6_addr,
+			fw_ddb_entry->ip_addr,
+			min(sizeof(ddb_entry->remote_ipv6_addr),
+			sizeof(fw_ddb_entry->ip_addr)));
+		memcpy(&ddb_entry->link_local_ipv6_addr,
+			fw_ddb_entry->link_local_ipv6_addr,
+			min(sizeof(ddb_entry->link_local_ipv6_addr),
+			sizeof(fw_ddb_entry->link_local_ipv6_addr)));
+	}
+
+	DEBUG2(printk("scsi%ld: %s: ddb[%d] - State= %x status= %d.\n",
+			ha->host_no, __func__, fw_ddb_index,
+			ddb_entry->fw_ddb_device_state, status));
+
+exit_update_ddb:
 	if (fw_ddb_entry)
 		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
 				  fw_ddb_entry, fw_ddb_entry_dma);
@@ -1166,7 +1304,7 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
 	 * the ddb_list and wait for DHCP lease acquired aen to come in
 	 * followed by 0x8014 aen" to trigger the tgt discovery process.
 	 */
-	if (ha->firmware_state & FW_STATE_DHCP_IN_PROGRESS)
+	if (ha->firmware_state & FW_STATE_CONFIGURING_IP)
 		goto exit_init_online;
 
 	/* Skip device discovery if ip and subnet is zero */
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 09d6d4b76f3..43581ce3a1b 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -172,108 +172,207 @@ mbox_exit:
 	return status;
 }
 
+uint8_t
+qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+		 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
+{
+	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+	mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
+	mbox_cmd[1] = 0;
+	mbox_cmd[2] = LSDW(init_fw_cb_dma);
+	mbox_cmd[3] = MSDW(init_fw_cb_dma);
+	mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+	mbox_cmd[5] = (IFCB_VER_MAX << 8) | IFCB_VER_MIN;
+
+	if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
+	    QLA_SUCCESS) {
+		DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
+			      "MBOX_CMD_INITIALIZE_FIRMWARE"
+			      " failed w/ status %04X\n",
+			      ha->host_no, __func__, mbox_sts[0]));
+		return QLA_ERROR;
+	}
+	return QLA_SUCCESS;
+}
+
+uint8_t
+qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+		 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
+{
+	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+	mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
+	mbox_cmd[2] = LSDW(init_fw_cb_dma);
+	mbox_cmd[3] = MSDW(init_fw_cb_dma);
+	mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+
+	if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
+	    QLA_SUCCESS) {
+		DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
+			      "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
+			      " failed w/ status %04X\n",
+			      ha->host_no, __func__, mbox_sts[0]));
+		return QLA_ERROR;
+	}
+	return QLA_SUCCESS;
+}
+
+void
+qla4xxx_update_local_ip(struct scsi_qla_host *ha,
+			 struct addr_ctrl_blk  *init_fw_cb)
+{
+	/* Save IPv4 Address Info */
+	memcpy(ha->ip_address, init_fw_cb->ipv4_addr,
+		min(sizeof(ha->ip_address), sizeof(init_fw_cb->ipv4_addr)));
+	memcpy(ha->subnet_mask, init_fw_cb->ipv4_subnet,
+		min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->ipv4_subnet)));
+	memcpy(ha->gateway, init_fw_cb->ipv4_gw_addr,
+		min(sizeof(ha->gateway), sizeof(init_fw_cb->ipv4_gw_addr)));
+
+	if (is_ipv6_enabled(ha)) {
+		/* Save IPv6 Address */
+		ha->ipv6_link_local_state = init_fw_cb->ipv6_lnk_lcl_addr_state;
+		ha->ipv6_addr0_state = init_fw_cb->ipv6_addr0_state;
+		ha->ipv6_addr1_state = init_fw_cb->ipv6_addr1_state;
+		ha->ipv6_default_router_state = init_fw_cb->ipv6_dflt_rtr_state;
+		ha->ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
+		ha->ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
+
+		memcpy(&ha->ipv6_link_local_addr.in6_u.u6_addr8[8],
+			init_fw_cb->ipv6_if_id,
+			min(sizeof(ha->ipv6_link_local_addr)/2,
+			sizeof(init_fw_cb->ipv6_if_id)));
+		memcpy(&ha->ipv6_addr0, init_fw_cb->ipv6_addr0,
+			min(sizeof(ha->ipv6_addr0),
+			sizeof(init_fw_cb->ipv6_addr0)));
+		memcpy(&ha->ipv6_addr1, init_fw_cb->ipv6_addr1,
+			min(sizeof(ha->ipv6_addr1),
+			sizeof(init_fw_cb->ipv6_addr1)));
+		memcpy(&ha->ipv6_default_router_addr,
+			init_fw_cb->ipv6_dflt_rtr_addr,
+			min(sizeof(ha->ipv6_default_router_addr),
+			sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
+	}
+}
+
+uint8_t
+qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
+			  uint32_t *mbox_cmd,
+			  uint32_t *mbox_sts,
+			  struct addr_ctrl_blk  *init_fw_cb,
+			  dma_addr_t init_fw_cb_dma)
+{
+	if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
+	    != QLA_SUCCESS) {
+		DEBUG2(printk(KERN_WARNING
+			      "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
+			      ha->host_no, __func__));
+		return QLA_ERROR;
+	}
+
+	DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
+
+	/* Save some info in adapter structure. */
+	ha->acb_version = init_fw_cb->acb_version;
+	ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
+	ha->tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
+	ha->ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
+	ha->ipv4_addr_state = le16_to_cpu(init_fw_cb->ipv4_addr_state);
+	ha->heartbeat_interval = init_fw_cb->hb_interval;
+	memcpy(ha->name_string, init_fw_cb->iscsi_name,
+		min(sizeof(ha->name_string),
+		sizeof(init_fw_cb->iscsi_name)));
+	/*memcpy(ha->alias, init_fw_cb->Alias,
+	       min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
+
+	/* Save Command Line Paramater info */
+	ha->port_down_retry_count = le16_to_cpu(init_fw_cb->conn_ka_timeout);
+	ha->discovery_wait = ql4xdiscoverywait;
+
+	if (ha->acb_version == ACB_SUPPORTED) {
+		ha->ipv6_options = init_fw_cb->ipv6_opts;
+		ha->ipv6_addl_options = init_fw_cb->ipv6_addtl_opts;
+	}
+	qla4xxx_update_local_ip(ha, init_fw_cb);
+
+	return QLA_SUCCESS;
+}
+
 /**
  * qla4xxx_initialize_fw_cb - initializes firmware control block.
  * @ha: Pointer to host adapter structure.
  **/
 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
 {
-	struct init_fw_ctrl_blk *init_fw_cb;
+	struct addr_ctrl_blk *init_fw_cb;
 	dma_addr_t init_fw_cb_dma;
 	uint32_t mbox_cmd[MBOX_REG_COUNT];
 	uint32_t mbox_sts[MBOX_REG_COUNT];
 	int status = QLA_ERROR;
 
 	init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
-					sizeof(struct init_fw_ctrl_blk),
+					sizeof(struct addr_ctrl_blk),
 					&init_fw_cb_dma, GFP_KERNEL);
 	if (init_fw_cb == NULL) {
 		DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
 			      ha->host_no, __func__));
 		return 10;
 	}
-	memset(init_fw_cb, 0, sizeof(struct init_fw_ctrl_blk));
+	memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
 
 	/* Get Initialize Firmware Control Block. */
 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 	memset(&mbox_sts, 0, sizeof(mbox_sts));
 
-	mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
-	mbox_cmd[2] = LSDW(init_fw_cb_dma);
-	mbox_cmd[3] = MSDW(init_fw_cb_dma);
-	mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk);
-
-	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
+	if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 	    QLA_SUCCESS) {
 		dma_free_coherent(&ha->pdev->dev,
-				  sizeof(struct init_fw_ctrl_blk),
+				  sizeof(struct addr_ctrl_blk),
 				  init_fw_cb, init_fw_cb_dma);
-		return status;
+		goto exit_init_fw_cb;
 	}
 
 	/* Initialize request and response queues. */
 	qla4xxx_init_rings(ha);
 
 	/* Fill in the request and response queue information. */
-	init_fw_cb->pri.rqq_consumer_idx = cpu_to_le16(ha->request_out);
-	init_fw_cb->pri.compq_producer_idx = cpu_to_le16(ha->response_in);
-	init_fw_cb->pri.rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
-	init_fw_cb->pri.compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
-	init_fw_cb->pri.rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
-	init_fw_cb->pri.rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
-	init_fw_cb->pri.compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
-	init_fw_cb->pri.compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
-	init_fw_cb->pri.shdwreg_addr_lo =
-		cpu_to_le32(LSDW(ha->shadow_regs_dma));
-	init_fw_cb->pri.shdwreg_addr_hi =
-		cpu_to_le32(MSDW(ha->shadow_regs_dma));
+	init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
+	init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
+	init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
+	init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
+	init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
+	init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
+	init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
+	init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
+	init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
+	init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
 
 	/* Set up required options. */
-	init_fw_cb->pri.fw_options |=
+	init_fw_cb->fw_options |=
 		__constant_cpu_to_le16(FWOPT_SESSION_MODE |
 				       FWOPT_INITIATOR_MODE);
-	init_fw_cb->pri.fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
+	init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
 
-	/* Save some info in adapter structure. */
-	ha->firmware_options = le16_to_cpu(init_fw_cb->pri.fw_options);
-	ha->tcp_options = le16_to_cpu(init_fw_cb->pri.ipv4_tcp_opts);
-	ha->heartbeat_interval = init_fw_cb->pri.hb_interval;
-	memcpy(ha->ip_address, init_fw_cb->pri.ipv4_addr,
-	       min(sizeof(ha->ip_address), sizeof(init_fw_cb->pri.ipv4_addr)));
-	memcpy(ha->subnet_mask, init_fw_cb->pri.ipv4_subnet,
-	       min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->pri.ipv4_subnet)));
-	memcpy(ha->gateway, init_fw_cb->pri.ipv4_gw_addr,
-	       min(sizeof(ha->gateway), sizeof(init_fw_cb->pri.ipv4_gw_addr)));
-	memcpy(ha->name_string, init_fw_cb->pri.iscsi_name,
-	       min(sizeof(ha->name_string),
-		   sizeof(init_fw_cb->pri.iscsi_name)));
-	/*memcpy(ha->alias, init_fw_cb->Alias,
-	       min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
-
-	/* Save Command Line Paramater info */
-	ha->port_down_retry_count = le16_to_cpu(init_fw_cb->pri.conn_ka_timeout);
-	ha->discovery_wait = ql4xdiscoverywait;
-
-	/* Send Initialize Firmware Control Block. */
-	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
-	memset(&mbox_sts, 0, sizeof(mbox_sts));
-
-	mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
-	mbox_cmd[1] = 0;
-	mbox_cmd[2] = LSDW(init_fw_cb_dma);
-	mbox_cmd[3] = MSDW(init_fw_cb_dma);
-	mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk);
-
-	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) ==
-	    QLA_SUCCESS)
-		status = QLA_SUCCESS;
-	 else {
-		DEBUG2(printk("scsi%ld: %s: MBOX_CMD_INITIALIZE_FIRMWARE "
-			      "failed w/ status %04X\n", ha->host_no, __func__,
-			      mbox_sts[0]));
+	if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
+		!= QLA_SUCCESS) {
+		DEBUG2(printk(KERN_WARNING
+			      "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
+			      ha->host_no, __func__));
+		goto exit_init_fw_cb;
 	}
-	dma_free_coherent(&ha->pdev->dev, sizeof(struct init_fw_ctrl_blk),
-			  init_fw_cb, init_fw_cb_dma);
+
+	if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
+		init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
+		DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
+				ha->host_no, __func__));
+		goto exit_init_fw_cb;
+	}
+	status = QLA_SUCCESS;
+
+exit_init_fw_cb:
+	dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
+				init_fw_cb, init_fw_cb_dma);
 
 	return status;
 }
@@ -284,13 +383,13 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
  **/
 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
 {
-	struct init_fw_ctrl_blk *init_fw_cb;
+	struct addr_ctrl_blk *init_fw_cb;
 	dma_addr_t init_fw_cb_dma;
 	uint32_t mbox_cmd[MBOX_REG_COUNT];
 	uint32_t mbox_sts[MBOX_REG_COUNT];
 
 	init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
-					sizeof(struct init_fw_ctrl_blk),
+					sizeof(struct addr_ctrl_blk),
 					&init_fw_cb_dma, GFP_KERNEL);
 	if (init_fw_cb == NULL) {
 		printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
@@ -299,35 +398,21 @@ int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
 	}
 
 	/* Get Initialize Firmware Control Block. */
-	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
-	memset(&mbox_sts, 0, sizeof(mbox_sts));
-
-	memset(init_fw_cb, 0, sizeof(struct init_fw_ctrl_blk));
-	mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
-	mbox_cmd[2] = LSDW(init_fw_cb_dma);
-	mbox_cmd[3] = MSDW(init_fw_cb_dma);
-	mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk);
-
-	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
+	memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
+	if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
 	    QLA_SUCCESS) {
 		DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
 			      ha->host_no, __func__));
 		dma_free_coherent(&ha->pdev->dev,
-				  sizeof(struct init_fw_ctrl_blk),
+				  sizeof(struct addr_ctrl_blk),
 				  init_fw_cb, init_fw_cb_dma);
 		return QLA_ERROR;
 	}
 
 	/* Save IP Address. */
-	memcpy(ha->ip_address, init_fw_cb->pri.ipv4_addr,
-	       min(sizeof(ha->ip_address), sizeof(init_fw_cb->pri.ipv4_addr)));
-	memcpy(ha->subnet_mask, init_fw_cb->pri.ipv4_subnet,
-	       min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->pri.ipv4_subnet)));
-	memcpy(ha->gateway, init_fw_cb->pri.ipv4_gw_addr,
-	       min(sizeof(ha->gateway), sizeof(init_fw_cb->pri.ipv4_gw_addr)));
-
-	dma_free_coherent(&ha->pdev->dev, sizeof(struct init_fw_ctrl_blk),
-			  init_fw_cb, init_fw_cb_dma);
+	qla4xxx_update_local_ip(ha, init_fw_cb);
+	dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
+				init_fw_cb, init_fw_cb_dma);
 
 	return QLA_SUCCESS;
 }
@@ -409,6 +494,7 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
 			    uint16_t *connection_id)
 {
 	int status = QLA_ERROR;
+	uint16_t options;
 	uint32_t mbox_cmd[MBOX_REG_COUNT];
 	uint32_t mbox_sts[MBOX_REG_COUNT];
 
@@ -441,14 +527,26 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
 		goto exit_get_fwddb;
 	}
 	if (fw_ddb_entry) {
-		dev_info(&ha->pdev->dev, "DDB[%d] MB0 %04x Tot %d Next %d "
-			   "State %04x ConnErr %08x %d.%d.%d.%d:%04d \"%s\"\n",
-			   fw_ddb_index, mbox_sts[0], mbox_sts[2], mbox_sts[3],
-			   mbox_sts[4], mbox_sts[5], fw_ddb_entry->ip_addr[0],
-			   fw_ddb_entry->ip_addr[1], fw_ddb_entry->ip_addr[2],
-			   fw_ddb_entry->ip_addr[3],
-			   le16_to_cpu(fw_ddb_entry->port),
-			   fw_ddb_entry->iscsi_name);
+		options = le16_to_cpu(fw_ddb_entry->options);
+		if (options & DDB_OPT_IPV6_DEVICE) {
+			dev_info(&ha->pdev->dev, "%s: DDB[%d] MB0 %04x Tot %d "
+				"Next %d State %04x ConnErr %08x %pI6 "
+				":%04d \"%s\"\n", __func__, fw_ddb_index,
+				mbox_sts[0], mbox_sts[2], mbox_sts[3],
+				mbox_sts[4], mbox_sts[5],
+				fw_ddb_entry->ip_addr,
+				le16_to_cpu(fw_ddb_entry->port),
+				fw_ddb_entry->iscsi_name);
+		} else {
+			dev_info(&ha->pdev->dev, "%s: DDB[%d] MB0 %04x Tot %d "
+				"Next %d State %04x ConnErr %08x %pI4 "
+				":%04d \"%s\"\n", __func__, fw_ddb_index,
+				mbox_sts[0], mbox_sts[2], mbox_sts[3],
+				mbox_sts[4], mbox_sts[5],
+				fw_ddb_entry->ip_addr,
+				le16_to_cpu(fw_ddb_entry->port),
+				fw_ddb_entry->iscsi_name);
+		}
 	}
 	if (num_valid_ddb_entries)
 		*num_valid_ddb_entries = mbox_sts[2];

From 065aa1b4db63c7fa68a3e889510c4e63404a1ac7 Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Wed, 28 Apr 2010 11:38:11 +0530
Subject: [PATCH 0618/3638] [SCSI] qla4xxx: set device state as per Link UP and
 LINK DOWN

Link Down -> Mark all devices missing
 Previously, the driver took no action on a Link Down,
 and waited for the I/O on a dead connection to timeout
 in the firmware before marking the DDB missing.

Link Up -> Mark all devices online
 F/W will do auto login to all the devices only once.
 After that its the responsibility of the driver to
 relogin to devices whenever there is :
        * Any sort of connection failure or
        * KATO expires indicating target has logged out or
        * I/O times out etc.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla4xxx/ql4_def.h  |  1 +
 drivers/scsi/qla4xxx/ql4_init.c | 12 ++++++--
 drivers/scsi/qla4xxx/ql4_isr.c  | 15 +++++++---
 drivers/scsi/qla4xxx/ql4_os.c   | 49 +++++++++++++++++++++++++++++++++
 4 files changed, 70 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 3175709d486..347a7c8b53e 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -310,6 +310,7 @@ struct scsi_qla_host {
 #define DPC_ISNS_RESTART		7 /* 0x00000080 */
 #define DPC_AEN				9 /* 0x00000200 */
 #define DPC_GET_DHCP_IP_ADDR		15 /* 0x00008000 */
+#define DPC_LINK_CHANGED		18 /* 0x00040000 */
 
 	struct Scsi_Host *host; /* pointer to host data */
 	uint32_t tot_ddbs;
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 36ec02c49a1..7f6cc2ebf46 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -1279,6 +1279,7 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
 	int status = QLA_ERROR;
 	int8_t ip_address[IP_ADDR_LEN] = {0} ;
 
+	clear_bit(AF_ONLINE, &ha->flags);
 	ha->eeprom_cmd_data = 0;
 
 	qla4x00_pci_config(ha);
@@ -1456,10 +1457,15 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
 		 * the device came back.
 		 */
 	} else {
-		/* Device went away, try to relogin. */
-		/* Mark device missing */
-		if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
+		/* Device went away, mark device missing */
+		if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) {
+			DEBUG2(dev_info(&ha->pdev->dev, "%s mark missing "
+					"ddb_entry 0x%p sess 0x%p conn 0x%p\n",
+					__func__, ddb_entry,
+					ddb_entry->sess, ddb_entry->conn));
 			qla4xxx_mark_device_missing(ha, ddb_entry);
+		}
+
 		/*
 		 * Relogin if device state changed to a not active state.
 		 * However, do not relogin if this aen is a result of an IOCTL
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index c196d55eae3..9db286df7ca 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -498,15 +498,22 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
 			break;
 
 		case MBOX_ASTS_LINK_UP:
-			DEBUG2(printk("scsi%ld: AEN %04x Adapter LINK UP\n",
-				      ha->host_no, mbox_status));
 			set_bit(AF_LINK_UP, &ha->flags);
+			if (test_bit(AF_INIT_DONE, &ha->flags))
+				set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
+
+			DEBUG2(printk(KERN_INFO "scsi%ld: AEN %04x Adapter"
+					" LINK UP\n", ha->host_no,
+					mbox_status));
 			break;
 
 		case MBOX_ASTS_LINK_DOWN:
-			DEBUG2(printk("scsi%ld: AEN %04x Adapter LINK DOWN\n",
-				      ha->host_no, mbox_status));
 			clear_bit(AF_LINK_UP, &ha->flags);
+			set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
+
+			DEBUG2(printk(KERN_INFO "scsi%ld: AEN %04x Adapter"
+					" LINK DOWN\n", ha->host_no,
+					mbox_status));
 			break;
 
 		case MBOX_ASTS_HEARTBEAT:
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 2ccad36bee9..d6c8b429a67 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -685,6 +685,7 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
 	     test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) ||
 	     test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
 	     test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
+	     test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
 	     test_bit(DPC_AEN, &ha->dpc_flags)) &&
 	     ha->dpc_thread) {
 		DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
@@ -1069,6 +1070,54 @@ static void qla4xxx_do_dpc(struct work_struct *work)
 	if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
 		qla4xxx_get_dhcp_ip_address(ha);
 
+	/* ---- link change? --- */
+	if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
+		if (!test_bit(AF_LINK_UP, &ha->flags)) {
+			/* ---- link down? --- */
+			list_for_each_entry_safe(ddb_entry, dtemp,
+						 &ha->ddb_list, list) {
+				if (atomic_read(&ddb_entry->state) ==
+						DDB_STATE_ONLINE)
+					qla4xxx_mark_device_missing(ha,
+							ddb_entry);
+			}
+		} else {
+			/* ---- link up? --- *
+			 * F/W will auto login to all devices ONLY ONCE after
+			 * link up during driver initialization and runtime
+			 * fatal error recovery.  Therefore, the driver must
+			 * manually relogin to devices when recovering from
+			 * connection failures, logouts, expired KATO, etc. */
+
+			list_for_each_entry_safe(ddb_entry, dtemp,
+							&ha->ddb_list, list) {
+				if ((atomic_read(&ddb_entry->state) ==
+						 DDB_STATE_MISSING) ||
+				    (atomic_read(&ddb_entry->state) ==
+						 DDB_STATE_DEAD)) {
+					if (ddb_entry->fw_ddb_device_state ==
+					    DDB_DS_SESSION_ACTIVE) {
+						atomic_set(&ddb_entry->state,
+							   DDB_STATE_ONLINE);
+						dev_info(&ha->pdev->dev,
+						    "scsi%ld: %s: ddb[%d]"
+						    " os[%d] marked"
+						    " ONLINE\n",
+						    ha->host_no, __func__,
+						    ddb_entry->fw_ddb_index,
+						    ddb_entry->os_target_id);
+
+						iscsi_unblock_session(
+						    ddb_entry->sess);
+					} else
+						qla4xxx_relogin_device(
+						    ha, ddb_entry);
+				}
+
+			}
+		}
+	}
+
 	/* ---- relogin device? --- */
 	if (adapter_up(ha) &&
 	    test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {

From c2393cd2dfdd435416cc097a70cc5f5e4f91a87e Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Wed, 28 Apr 2010 11:39:31 +0530
Subject: [PATCH 0619/3638] [SCSI] qla4xxx: Code Clean up - remove
 "marker_needed"

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla4xxx/ql4_def.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 347a7c8b53e..1e56b8ee19b 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -330,8 +330,7 @@ struct scsi_qla_host {
 #define MIN_IOBASE_LEN		0x100
 
 	uint16_t req_q_count;
-	uint8_t marker_needed;
-	uint8_t rsvd1;
+	uint8_t rsvd1[2];
 
 	unsigned long host_no;
 

From c301b0266c65c8781361ca152981cff4fac05498 Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Wed, 28 Apr 2010 11:40:37 +0530
Subject: [PATCH 0620/3638] [SCSI] qla4xxx: Updated firmware ready timeout
 algorithm

Updated firmware ready timeout algorithm to prevent
long delays and use jiffies to time out instead of
counter. Also use msleep_interruptible instead of msleep.

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla4xxx/ql4_init.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 7f6cc2ebf46..beaeb18a66a 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -1046,7 +1046,7 @@ static void qla4x00_pci_config(struct scsi_qla_host *ha)
 static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
 {
 	int status = QLA_ERROR;
-	uint32_t max_wait_time;
+	unsigned long max_wait_time;
 	unsigned long flags;
 	uint32_t mbox_status;
 
@@ -1078,7 +1078,10 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	/* Wait for firmware to come UP. */
-	max_wait_time = FIRMWARE_UP_TOV * 4;
+	DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for "
+		      "boot firmware to complete...\n",
+		      ha->host_no, __func__, FIRMWARE_UP_TOV));
+	max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ);
 	do {
 		uint32_t ctrl_status;
 
@@ -1092,16 +1095,15 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
 		if (mbox_status == MBOX_STS_COMMAND_COMPLETE)
 			break;
 
-		DEBUG2(printk("scsi%ld: %s: Waiting for boot firmware to "
-			      "complete... ctrl_sts=0x%x, remaining=%d\n",
-			      ha->host_no, __func__, ctrl_status,
-			      max_wait_time));
+		DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot "
+			      "firmware to complete... ctrl_sts=0x%x\n",
+			      ha->host_no, __func__, ctrl_status));
 
-		msleep(250);
-	} while ((max_wait_time--));
+		msleep_interruptible(250);
+	} while (!time_after_eq(jiffies, max_wait_time));
 
 	if (mbox_status == MBOX_STS_COMMAND_COMPLETE) {
-		DEBUG(printk("scsi%ld: %s: Firmware has started\n",
+		DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n",
 			     ha->host_no, __func__));
 
 		spin_lock_irqsave(&ha->hardware_lock, flags);

From 821d6e5413481a57bbe1c2722dbe1fee4ff675c4 Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Wed, 28 Apr 2010 11:41:21 +0530
Subject: [PATCH 0621/3638] [SCSI] qla4xxx: do not retry login to CHAP auth
 failed targets

Per RFC 3720, Login Response Status Code 0x02 should not be retried.
Condensed connection error checking code to a single routine, and
added check for status class 0x02.

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla4xxx/ql4_glbl.h |   5 +-
 drivers/scsi/qla4xxx/ql4_init.c | 130 ++++++++++++++++++++++----------
 drivers/scsi/qla4xxx/ql4_isr.c  |   2 +-
 3 files changed, 94 insertions(+), 43 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 96ebfb021f6..987658f5bc1 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -67,11 +67,12 @@ struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
 					uint32_t index);
 void qla4xxx_srb_compl(struct scsi_qla_host *ha, struct srb *srb);
 int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host * ha);
-int qla4xxx_process_ddb_changed(struct scsi_qla_host * ha,
-				uint32_t fw_ddb_index, uint32_t state);
+int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+		uint32_t state, uint32_t conn_error);
 void qla4xxx_dump_buffer(void *b, uint32_t size);
 int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
 	struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod);
+int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err);
 
 extern int ql4xextended_error_logging;
 extern int ql4xdiscoverywait;
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index beaeb18a66a..5510df8a7fa 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -505,6 +505,7 @@ static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha,
 	struct dev_db_entry *fw_ddb_entry = NULL;
 	dma_addr_t fw_ddb_entry_dma;
 	int status = QLA_ERROR;
+	uint32_t conn_err;
 
 	if (ddb_entry == NULL) {
 		DEBUG2(printk("scsi%ld: %s: ddb_entry is NULL\n", ha->host_no,
@@ -525,7 +526,7 @@ static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha,
 
 	if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry,
 				    fw_ddb_entry_dma, NULL, NULL,
-				    &ddb_entry->fw_ddb_device_state, NULL,
+				    &ddb_entry->fw_ddb_device_state, &conn_err,
 				    &ddb_entry->tcp_source_port_num,
 				    &ddb_entry->connection_id) ==
 	    QLA_ERROR) {
@@ -578,12 +579,26 @@ static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha,
 			fw_ddb_entry->link_local_ipv6_addr,
 			min(sizeof(ddb_entry->link_local_ipv6_addr),
 			sizeof(fw_ddb_entry->link_local_ipv6_addr)));
-	}
-
-	DEBUG2(printk("scsi%ld: %s: ddb[%d] - State= %x status= %d.\n",
-			ha->host_no, __func__, fw_ddb_index,
-			ddb_entry->fw_ddb_device_state, status));
 
+		DEBUG2(dev_info(&ha->pdev->dev, "%s: DDB[%d] osIdx = %d "
+					"State %04x ConnErr %08x IP %pI6 "
+					":%04d \"%s\"\n",
+					__func__, fw_ddb_index,
+					ddb_entry->os_target_id,
+					ddb_entry->fw_ddb_device_state,
+					conn_err, fw_ddb_entry->ip_addr,
+					le16_to_cpu(fw_ddb_entry->port),
+					fw_ddb_entry->iscsi_name));
+	} else
+		DEBUG2(dev_info(&ha->pdev->dev, "%s: DDB[%d] osIdx = %d "
+					"State %04x ConnErr %08x IP %pI4 "
+					":%04d \"%s\"\n",
+					__func__, fw_ddb_index,
+					ddb_entry->os_target_id,
+					ddb_entry->fw_ddb_device_state,
+					conn_err, fw_ddb_entry->ip_addr,
+					le16_to_cpu(fw_ddb_entry->port),
+					fw_ddb_entry->iscsi_name));
 exit_update_ddb:
 	if (fw_ddb_entry)
 		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
@@ -629,6 +644,40 @@ static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
 	return ddb_entry;
 }
 
+/**
+ * qla4_is_relogin_allowed - Are we allowed to login?
+ * @ha: Pointer to host adapter structure.
+ * @conn_err: Last connection error associated with the ddb
+ *
+ * This routine tests the given connection error to determine if
+ * we are allowed to login.
+ **/
+int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err)
+{
+	uint32_t err_code, login_rsp_sts_class;
+	int relogin = 1;
+
+	err_code = ((conn_err & 0x00ff0000) >> 16);
+	login_rsp_sts_class = ((conn_err & 0x0000ff00) >> 8);
+	if (err_code == 0x1c || err_code == 0x06) {
+		DEBUG2(dev_info(&ha->pdev->dev,
+				": conn_err=0x%08x, send target completed"
+				" or access denied failure\n", conn_err));
+		relogin = 0;
+	}
+	if ((err_code == 0x08) && (login_rsp_sts_class == 0x02)) {
+		/* Login Response PDU returned an error.
+		   Login Response Status in Error Code Detail
+		   indicates login should not be retried.*/
+		DEBUG2(dev_info(&ha->pdev->dev,
+				": conn_err=0x%08x, do not retry relogin\n",
+				conn_err));
+		relogin = 0;
+	}
+
+	return relogin;
+}
+
 /**
  * qla4xxx_configure_ddbs - builds driver ddb list
  * @ha: Pointer to host adapter structure.
@@ -643,18 +692,30 @@ static int qla4xxx_build_ddb_list(struct scsi_qla_host *ha)
 	uint32_t fw_ddb_index = 0;
 	uint32_t next_fw_ddb_index = 0;
 	uint32_t ddb_state;
-	uint32_t conn_err, err_code;
+	uint32_t conn_err;
 	struct ddb_entry *ddb_entry;
+	struct dev_db_entry *fw_ddb_entry = NULL;
+	dma_addr_t fw_ddb_entry_dma;
+	uint32_t ipv6_device;
 	uint32_t new_tgt;
 
+	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+			&fw_ddb_entry_dma, GFP_KERNEL);
+	if (fw_ddb_entry == NULL) {
+		DEBUG2(dev_info(&ha->pdev->dev, "%s: DMA alloc failed\n",
+				__func__));
+		return QLA_ERROR;
+	}
+
 	dev_info(&ha->pdev->dev, "Initializing DDBs ...\n");
 	for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES;
 	     fw_ddb_index = next_fw_ddb_index) {
 		/* First, let's see if a device exists here */
-		if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, NULL, 0, NULL,
-					    &next_fw_ddb_index, &ddb_state,
-					    &conn_err, NULL, NULL) ==
-		    QLA_ERROR) {
+		if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry,
+					    0, NULL, &next_fw_ddb_index,
+					    &ddb_state, &conn_err,
+					    NULL, NULL) ==
+					    QLA_ERROR) {
 			DEBUG2(printk("scsi%ld: %s: get_ddb_entry, "
 				      "fw_ddb_index %d failed", ha->host_no,
 				      __func__, fw_ddb_index));
@@ -671,18 +732,19 @@ static int qla4xxx_build_ddb_list(struct scsi_qla_host *ha)
 			/* Try and login to device */
 			DEBUG2(printk("scsi%ld: %s: Login to DDB[%d]\n",
 				      ha->host_no, __func__, fw_ddb_index));
-			err_code = ((conn_err & 0x00ff0000) >> 16);
-			if (err_code == 0x1c || err_code == 0x06) {
-				DEBUG2(printk("scsi%ld: %s send target "
-					      "completed "
-					      "or access denied failure\n",
-					      ha->host_no, __func__));
-			} else {
+			ipv6_device = le16_to_cpu(fw_ddb_entry->options) &
+					DDB_OPT_IPV6_DEVICE;
+			if (qla4_is_relogin_allowed(ha, conn_err) &&
+					((!ipv6_device &&
+					  *((uint32_t *)fw_ddb_entry->ip_addr))
+					 || ipv6_device)) {
 				qla4xxx_set_ddb_entry(ha, fw_ddb_index, 0);
 				if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index,
-					NULL, 0, NULL, &next_fw_ddb_index,
-					&ddb_state, &conn_err, NULL, NULL)
-					== QLA_ERROR) {
+							NULL, 0, NULL,
+							&next_fw_ddb_index,
+							&ddb_state, &conn_err,
+							NULL, NULL)
+						== QLA_ERROR) {
 					DEBUG2(printk("scsi%ld: %s:"
 						"get_ddb_entry %d failed\n",
 						ha->host_no,
@@ -737,7 +799,6 @@ next_one:
 struct qla4_relog_scan {
 	int halt_wait;
 	uint32_t conn_err;
-	uint32_t err_code;
 	uint32_t fw_ddb_index;
 	uint32_t next_fw_ddb_index;
 	uint32_t fw_ddb_device_state;
@@ -747,18 +808,7 @@ static int qla4_test_rdy(struct scsi_qla_host *ha, struct qla4_relog_scan *rs)
 {
 	struct ddb_entry *ddb_entry;
 
-	/*
-	 * Don't want to do a relogin if connection
-	 * error is 0x1c.
-	 */
-	rs->err_code = ((rs->conn_err & 0x00ff0000) >> 16);
-	if (rs->err_code == 0x1c || rs->err_code == 0x06) {
-		DEBUG2(printk(
-			       "scsi%ld: %s send target"
-			       " completed or "
-			       "access denied failure\n",
-			       ha->host_no, __func__));
-	} else {
+	if (qla4_is_relogin_allowed(ha, rs->conn_err)) {
 		/* We either have a device that is in
 		 * the process of relogging in or a
 		 * device that is waiting to be
@@ -1411,8 +1461,8 @@ static void qla4xxx_add_device_dynamically(struct scsi_qla_host *ha,
  *
  * This routine processes a Decive Database Changed AEN Event.
  **/
-int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
-				uint32_t fw_ddb_index, uint32_t state)
+int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+		uint32_t state, uint32_t conn_err)
 {
 	struct ddb_entry * ddb_entry;
 	uint32_t old_fw_ddb_device_state;
@@ -1470,13 +1520,13 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
 
 		/*
 		 * Relogin if device state changed to a not active state.
-		 * However, do not relogin if this aen is a result of an IOCTL
-		 * logout (DF_NO_RELOGIN) or if this is a discovered device.
+		 * However, do not relogin if a RELOGIN is in process, or
+		 * we are not allowed to relogin to this DDB.
 		 */
 		if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_FAILED &&
 		    !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
 		    !test_bit(DF_NO_RELOGIN, &ddb_entry->flags) &&
-		    !test_bit(DF_ISNS_DISCOVERED, &ddb_entry->flags)) {
+		    qla4_is_relogin_allowed(ha, conn_err)) {
 			/*
 			 * This triggers a relogin.  After the relogin_timer
 			 * expires, the relogin gets scheduled.	 We must wait a
@@ -1484,7 +1534,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
 			 * with failed device_state or a logout response before
 			 * we can issue another relogin.
 			 */
-			/* Firmware padds this timeout: (time2wait +1).
+			/* Firmware pads this timeout: (time2wait +1).
 			 * Driver retry to login should be longer than F/W.
 			 * Otherwise F/W will fail
 			 * set_ddb() mbx cmd with 0x4005 since it still
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 9db286df7ca..ce5838eb685 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -838,7 +838,7 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen)
 				qla4xxx_reinitialize_ddb_list(ha);
 			} else if (mbox_sts[1] == 1) {	/* Specific device. */
 				qla4xxx_process_ddb_changed(ha, mbox_sts[2],
-							    mbox_sts[3]);
+						mbox_sts[3], mbox_sts[4]);
 			}
 			break;
 		}

From 5369887a95da9509163931b21f61a94da09dac15 Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Wed, 28 Apr 2010 11:41:59 +0530
Subject: [PATCH 0622/3638] [SCSI] qla4xxx: correct use of cmd->host_scribble

used cmd->host_scribble to store iocb command handle.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla4xxx/ql4_def.h  |  2 ++
 drivers/scsi/qla4xxx/ql4_iocb.c |  2 +-
 drivers/scsi/qla4xxx/ql4_os.c   | 18 ++++++++++--------
 3 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 1e56b8ee19b..b6f2d015245 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -148,6 +148,8 @@
 
 #define MAX_RESET_HA_RETRIES		2
 
+#define CMD_SP(Cmnd)			((Cmnd)->SCp.ptr)
+
 /*
  * SCSI Request Block structure	 (srb)	that is placed
  * on cmd->SCp location of every I/O	 [We have 22 bytes available]
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index e0c32159749..e66f3f263f4 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -299,7 +299,7 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
 	qla4xxx_build_scsi_iocbs(srb, cmd_entry, tot_dsds);
 	wmb();
 
-	srb->cmd->host_scribble = (unsigned char *)srb;
+	srb->cmd->host_scribble = (unsigned char *)(unsigned long)index;
 
 	/* update counters */
 	srb->state = SRB_ACTIVE_STATE;
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index d6c8b429a67..2ca43f0ebcd 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -389,7 +389,7 @@ static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
 	srb->ddb = ddb_entry;
 	srb->cmd = cmd;
 	srb->flags = 0;
-	cmd->SCp.ptr = (void *)srb;
+	CMD_SP(cmd) = (void *)srb;
 	cmd->scsi_done = done;
 
 	return srb;
@@ -403,7 +403,7 @@ static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
 		scsi_dma_unmap(cmd);
 		srb->flags &= ~SRB_DMA_VALID;
 	}
-	cmd->SCp.ptr = NULL;
+	CMD_SP(cmd) = NULL;
 }
 
 void qla4xxx_srb_compl(struct scsi_qla_host *ha, struct srb *srb)
@@ -891,7 +891,6 @@ static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha)
 		}
 	}
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
 }
 
 /**
@@ -1479,12 +1478,14 @@ static void qla4xxx_slave_destroy(struct scsi_device *sdev)
 struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t index)
 {
 	struct srb *srb = NULL;
-	struct scsi_cmnd *cmd;
+	struct scsi_cmnd *cmd = NULL;
 
-	if (!(cmd = scsi_host_find_tag(ha->host, index)))
+	cmd = scsi_host_find_tag(ha->host, index);
+	if (!cmd)
 		return srb;
 
-	if (!(srb = (struct srb *)cmd->host_scribble))
+	srb = (struct srb *)CMD_SP(cmd);
+	if (!srb)
 		return srb;
 
 	/* update counters */
@@ -1492,7 +1493,8 @@ struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t in
 		ha->req_q_count += srb->iocb_cnt;
 		ha->iocb_cnt -= srb->iocb_cnt;
 		if (srb->cmd)
-			srb->cmd->host_scribble = NULL;
+			srb->cmd->host_scribble =
+				(unsigned char *)(unsigned long) MAX_SRBS;
 	}
 	return srb;
 }
@@ -1514,7 +1516,7 @@ static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
 
 	do {
 		/* Checking to see if its returned to OS */
-		rp = (struct srb *) cmd->SCp.ptr;
+		rp = (struct srb *) CMD_SP(cmd);
 		if (rp == NULL) {
 			done++;
 			break;

From 09a0f719896659a6c32df11426e55795012c06ff Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Wed, 28 Apr 2010 11:42:24 +0530
Subject: [PATCH 0623/3638] [SCSI] qla4xxx: added support for abort task
 management command

* Handles SCSI command aborts.
* Serialization srb between error handler and command
  completion path.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla4xxx/ql4_def.h  |  2 +-
 drivers/scsi/qla4xxx/ql4_fw.h   |  1 +
 drivers/scsi/qla4xxx/ql4_glbl.h |  3 +-
 drivers/scsi/qla4xxx/ql4_isr.c  |  6 +--
 drivers/scsi/qla4xxx/ql4_mbx.c  | 53 +++++++++++++++++++++++++
 drivers/scsi/qla4xxx/ql4_os.c   | 68 +++++++++++++++++++++++++++++++--
 6 files changed, 124 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index b6f2d015245..428802616e3 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -172,7 +172,7 @@ struct srb {
 
 	struct scsi_cmnd *cmd;	/* (4) SCSI command block */
 	dma_addr_t dma_handle;	/* (4) for unmap of single transfers */
-	atomic_t ref_count;	/* reference count for this srb */
+	struct kref srb_ref;	/* reference count for this srb */
 	uint32_t fw_ddb_index;
 	uint8_t err_id;		/* error id */
 #define SRB_ERR_PORT	   1	/* Request failed because "port down" */
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index dfe7b4dd391..855226e0866 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -215,6 +215,7 @@ union external_hw_config_reg {
 /*  Mailbox command definitions */
 #define MBOX_CMD_ABOUT_FW			0x0009
 #define MBOX_CMD_PING				0x000B
+#define MBOX_CMD_ABORT_TASK			0x0015
 #define MBOX_CMD_LUN_RESET			0x0016
 #define MBOX_CMD_TARGET_WARM_RESET		0x0017
 #define MBOX_CMD_GET_MANAGEMENT_DATA		0x001E
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 987658f5bc1..c4636f6cb3c 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -25,6 +25,7 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen);
 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha);
 int qla4xxx_relogin_device(struct scsi_qla_host * ha,
 			   struct ddb_entry * ddb_entry);
+int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb);
 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
 		      int lun);
 int qla4xxx_reset_target(struct scsi_qla_host * ha,
@@ -65,7 +66,7 @@ void qla4xxx_interrupt_service_routine(struct scsi_qla_host * ha,
 int qla4xxx_init_rings(struct scsi_qla_host * ha);
 struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
 					uint32_t index);
-void qla4xxx_srb_compl(struct scsi_qla_host *ha, struct srb *srb);
+void qla4xxx_srb_compl(struct kref *ref);
 int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host * ha);
 int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 		uint32_t state, uint32_t conn_error);
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index ce5838eb685..596c3031483 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -97,7 +97,7 @@ qla4xxx_status_cont_entry(struct scsi_qla_host *ha,
 
 	/* Place command on done queue. */
 	if (srb->req_sense_len == 0) {
-		qla4xxx_srb_compl(ha, srb);
+		kref_put(&srb->srb_ref, qla4xxx_srb_compl);
 		ha->status_srb = NULL;
 	}
 }
@@ -329,7 +329,7 @@ status_entry_exit:
 	/* complete the request, if not waiting for status_continuation pkt */
 	srb->cc_stat = sts_entry->completionStatus;
 	if (ha->status_srb == NULL)
-		qla4xxx_srb_compl(ha, srb);
+		kref_put(&srb->srb_ref, qla4xxx_srb_compl);
 }
 
 /**
@@ -393,7 +393,7 @@ static void qla4xxx_process_response_queue(struct scsi_qla_host * ha)
 			/* ETRY normally by sending it back with
 			 * DID_BUS_BUSY */
 			srb->cmd->result = DID_BUS_BUSY << 16;
-			qla4xxx_srb_compl(ha, srb);
+			kref_put(&srb->srb_ref, qla4xxx_srb_compl);
 			break;
 
 		case ET_CONTINUE:
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 43581ce3a1b..e1315cd8c26 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -761,6 +761,59 @@ exit_get_event_log:
 				  event_log_dma);
 }
 
+/**
+ * qla4xxx_abort_task - issues Abort Task
+ * @ha: Pointer to host adapter structure.
+ * @srb: Pointer to srb entry
+ *
+ * This routine performs a LUN RESET on the specified target/lun.
+ * The caller must ensure that the ddb_entry and lun_entry pointers
+ * are valid before calling this routine.
+ **/
+int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
+{
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	struct scsi_cmnd *cmd = srb->cmd;
+	int status = QLA_SUCCESS;
+	unsigned long flags = 0;
+	uint32_t index;
+
+	/*
+	 * Send abort task command to ISP, so that the ISP will return
+	 * request with ABORT status
+	 */
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	index = (unsigned long)(unsigned char *)cmd->host_scribble;
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+	/* Firmware already posted completion on response queue */
+	if (index == MAX_SRBS)
+		return status;
+
+	mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
+	mbox_cmd[1] = srb->fw_ddb_index;
+	mbox_cmd[2] = index;
+	/* Immediate Command Enable */
+	mbox_cmd[5] = 0x01;
+
+	qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
+	    &mbox_sts[0]);
+	if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
+		status = QLA_ERROR;
+
+		DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
+		    "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
+		    ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
+		    mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
+	}
+
+	return status;
+}
+
 /**
  * qla4xxx_reset_lun - issues LUN Reset
  * @ha: Pointer to host adapter structure.
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 2ca43f0ebcd..38b1d38afca 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -74,6 +74,7 @@ static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
  */
 static int qla4xxx_queuecommand(struct scsi_cmnd *cmd,
 				void (*done) (struct scsi_cmnd *));
+static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
 static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
 static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
 static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
@@ -88,6 +89,7 @@ static struct scsi_host_template qla4xxx_driver_template = {
 	.proc_name		= DRIVER_NAME,
 	.queuecommand		= qla4xxx_queuecommand,
 
+	.eh_abort_handler	= qla4xxx_eh_abort,
 	.eh_device_reset_handler = qla4xxx_eh_device_reset,
 	.eh_target_reset_handler = qla4xxx_eh_target_reset,
 	.eh_host_reset_handler	= qla4xxx_eh_host_reset,
@@ -384,7 +386,7 @@ static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
 	if (!srb)
 		return srb;
 
-	atomic_set(&srb->ref_count, 1);
+	kref_init(&srb->srb_ref);
 	srb->ha = ha;
 	srb->ddb = ddb_entry;
 	srb->cmd = cmd;
@@ -406,9 +408,11 @@ static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
 	CMD_SP(cmd) = NULL;
 }
 
-void qla4xxx_srb_compl(struct scsi_qla_host *ha, struct srb *srb)
+void qla4xxx_srb_compl(struct kref *ref)
 {
+	struct srb *srb = container_of(ref, struct srb, srb_ref);
 	struct scsi_cmnd *cmd = srb->cmd;
+	struct scsi_qla_host *ha = srb->ha;
 
 	qla4xxx_srb_free_dma(ha, srb);
 
@@ -887,7 +891,7 @@ static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha)
 		srb = qla4xxx_del_from_active_array(ha, i);
 		if (srb != NULL) {
 			srb->cmd->result = DID_RESET << 16;
-			qla4xxx_srb_compl(ha, srb);
+			kref_put(&srb->srb_ref, qla4xxx_srb_compl);
 		}
 	}
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -1501,7 +1505,7 @@ struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t in
 
 /**
  * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
- * @ha: actual ha whose done queue will contain the comd returned by firmware.
+ * @ha: Pointer to host adapter structure.
  * @cmd: Scsi Command to wait on.
  *
  * This routine waits for the command to be returned by the Firmware
@@ -1584,6 +1588,62 @@ static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
 	return status;
 }
 
+/**
+ * qla4xxx_eh_abort - callback for abort task.
+ * @cmd: Pointer to Linux's SCSI command structure
+ *
+ * This routine is called by the Linux OS to abort the specified
+ * command.
+ **/
+static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
+{
+	struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
+	unsigned int id = cmd->device->id;
+	unsigned int lun = cmd->device->lun;
+	unsigned long serial = cmd->serial_number;
+	struct srb *srb = NULL;
+	int ret = SUCCESS;
+	int wait = 0;
+
+	dev_info(&ha->pdev->dev,
+	    "scsi%ld:%d:%d: Abort command issued cmd=%p, pid=%ld\n",
+	    ha->host_no, id, lun, cmd, serial);
+
+	srb = (struct srb *) CMD_SP(cmd);
+
+	if (!srb)
+		return SUCCESS;
+
+	kref_get(&srb->srb_ref);
+
+	if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
+		DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n",
+		    ha->host_no, id, lun));
+		ret = FAILED;
+	} else {
+		DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n",
+		    ha->host_no, id, lun));
+		wait = 1;
+	}
+
+	kref_put(&srb->srb_ref, qla4xxx_srb_compl);
+
+	/* Wait for command to complete */
+	if (wait) {
+		if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
+			DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n",
+			    ha->host_no, id, lun));
+			ret = FAILED;
+		}
+	}
+
+	dev_info(&ha->pdev->dev,
+	    "scsi%ld:%d:%d: Abort command - %s\n",
+	    ha->host_no, id, lun, (ret == SUCCESS) ? "succeded" : "failed");
+
+	return ret;
+}
+
 /**
  * qla4xxx_eh_device_reset - callback for target reset.
  * @cmd: Pointer to Linux's SCSI command structure

From 1a6633da200909e9c71ba7a0c40eebe56746c3f5 Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Wed, 28 Apr 2010 11:45:06 +0530
Subject: [PATCH 0624/3638] [SCSI] qla4xxx: Update driver version to 5.02.00-k1

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla4xxx/ql4_version.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index 6980cb279c8..28a6c494a2e 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,5 +5,4 @@
  * See LICENSE.qla4xxx for copyright and licensing details.
  */
 
-#define QLA4XXX_DRIVER_VERSION	"5.01.00-k9"
-
+#define QLA4XXX_DRIVER_VERSION	"5.02.00-k1"

From 883c98feaab708d0fc976225b146aa9307023c85 Mon Sep 17 00:00:00 2001
From: Ravi Anand <ravi.anand@qlogic.com>
Date: Wed, 28 Apr 2010 11:45:49 +0530
Subject: [PATCH 0625/3638] [SCSI] Adding MAINTAINERS for qla4xxx iSCSI driver.

Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 MAINTAINERS | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 9ca2fbbe525..fd7e80b6274 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4560,6 +4560,14 @@ S:	Supported
 F:	Documentation/scsi/LICENSE.qla2xxx
 F:	drivers/scsi/qla2xxx/
 
+QLOGIC QLA4XXX iSCSI DRIVER
+M:	Ravi Anand <ravi.anand@qlogic.com>
+M:	Vikas Chaudhary <vikas.chaudhary@qlogic.com>
+M:	iscsi-driver@qlogic.com
+L:	linux-scsi@vger.kernel.org
+S:	Supported
+F:	drivers/scsi/qla4xxx/
+
 QLOGIC QLA3XXX NETWORK DRIVER
 M:	Ron Mercer <ron.mercer@qlogic.com>
 M:	linux-driver@qlogic.com

From ab6cc8f9b716a3d0a41b42cd81d392183211a7f2 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <cbouatmailru@gmail.com>
Date: Mon, 26 Apr 2010 22:10:52 +0400
Subject: [PATCH 0626/3638] ds2782_battery: Get rid of magic numbers in
 driver_data

Constructions like 'if (id->driver_data == 1)' look quite weird.
This patch introduces 'enum ds278x_num_id', which makes things
much more understandable, i.e. 'if (id->driver_data == DS2786)'.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Mike Rapoport <mike@compulab.co.il>
---
 drivers/power/ds2782_battery.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c
index c665e800723..d762a0cbc6a 100644
--- a/drivers/power/ds2782_battery.c
+++ b/drivers/power/ds2782_battery.c
@@ -300,13 +300,18 @@ static int ds278x_battery_remove(struct i2c_client *client)
 	return 0;
 }
 
+enum ds278x_num_id {
+	DS2782 = 0,
+	DS2786,
+};
+
 static struct ds278x_battery_ops ds278x_ops[] = {
-	[0] = {
+	[DS2782] = {
 		.get_current  = ds2782_get_current,
 		.get_voltage  = ds2782_get_voltage,
 		.get_capacity = ds2782_get_capacity,
 	},
-	[1] = {
+	[DS2786] = {
 		.get_current  = ds2786_get_current,
 		.get_voltage  = ds2786_get_voltage,
 		.get_capacity = ds2786_get_capacity,
@@ -325,7 +330,7 @@ static int ds278x_battery_probe(struct i2c_client *client,
 	 * ds2786 should have the sense resistor value set
 	 * in the platform data
 	 */
-	if (id->driver_data == 1 && !pdata) {
+	if (id->driver_data == DS2786 && !pdata) {
 		dev_err(&client->dev, "missing platform data for ds2786\n");
 		return -EINVAL;
 	}
@@ -355,7 +360,7 @@ static int ds278x_battery_probe(struct i2c_client *client,
 		goto fail_name;
 	}
 
-	if (id->driver_data == 1)
+	if (id->driver_data == DS2786)
 		info->rsns = pdata->rsns;
 
 	i2c_set_clientdata(client, info);
@@ -385,8 +390,8 @@ fail_id:
 }
 
 static const struct i2c_device_id ds278x_id[] = {
-	{"ds2782", 0},
-	{"ds2786", 1},
+	{"ds2782", DS2782},
+	{"ds2786", DS2786},
 	{},
 };
 

From 683229845f1780b10041ee7a1043fc8f10061455 Mon Sep 17 00:00:00 2001
From: Christof Schmitt <christof.schmitt@de.ibm.com>
Date: Fri, 30 Apr 2010 18:09:33 +0200
Subject: [PATCH 0627/3638] [SCSI] zfcp: Report scatter-gather limits to SCSI
 and block layer

Instead of dealing with large segments in the scatter-gather lists in
zfcp_qdio.c, report the limits to the upper layers. With these limits
in place, the code for mapping large data blocks to multiple sbales
can be removed.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/s390/scsi/zfcp_aux.c  |  4 ++++
 drivers/s390/scsi/zfcp_def.h  |  1 +
 drivers/s390/scsi/zfcp_qdio.c | 45 +++++++++--------------------------
 drivers/s390/scsi/zfcp_qdio.h |  2 ++
 drivers/s390/scsi/zfcp_scsi.c |  1 +
 5 files changed, 19 insertions(+), 34 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 1e6183a86ce..abf33db647f 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -545,6 +545,10 @@ struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *ccw_device)
 			       &zfcp_sysfs_adapter_attrs))
 		goto failed;
 
+	/* report size limit per scatter-gather segment */
+	adapter->dma_parms.max_segment_size = ZFCP_QDIO_SBALE_LEN;
+	adapter->ccw_device->dev.dma_parms = &adapter->dma_parms;
+
 	if (!zfcp_adapter_scsi_register(adapter))
 		return adapter;
 
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 7131c7db1f0..72132c13f45 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -205,6 +205,7 @@ struct zfcp_adapter {
 	struct work_struct	scan_work;
 	struct service_level	service_level;
 	struct workqueue_struct	*work_queue;
+	struct device_dma_parameters dma_parms;
 };
 
 struct zfcp_port {
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index dbfa312a7f5..aa68515abe2 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -206,35 +206,6 @@ static void zfcp_qdio_undo_sbals(struct zfcp_qdio *qdio,
 	zfcp_qdio_zero_sbals(sbal, first, count);
 }
 
-static int zfcp_qdio_fill_sbals(struct zfcp_qdio *qdio,
-				struct zfcp_qdio_req *q_req,
-				unsigned int sbtype, void *start_addr,
-				unsigned int total_length)
-{
-	struct qdio_buffer_element *sbale;
-	unsigned long remaining, length;
-	void *addr;
-
-	/* split segment up */
-	for (addr = start_addr, remaining = total_length; remaining > 0;
-	     addr += length, remaining -= length) {
-		sbale = zfcp_qdio_sbale_next(qdio, q_req, sbtype);
-		if (!sbale) {
-			atomic_inc(&qdio->req_q_full);
-			zfcp_qdio_undo_sbals(qdio, q_req);
-			return -EINVAL;
-		}
-
-		/* new piece must not exceed next page boundary */
-		length = min(remaining,
-			     (PAGE_SIZE - ((unsigned long)addr &
-					   (PAGE_SIZE - 1))));
-		sbale->addr = addr;
-		sbale->length = length;
-	}
-	return 0;
-}
-
 /**
  * zfcp_qdio_sbals_from_sg - fill SBALs from scatter-gather list
  * @fsf_req: request to be processed
@@ -248,7 +219,7 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
 			    int max_sbals)
 {
 	struct qdio_buffer_element *sbale;
-	int retval, bytes = 0;
+	int bytes = 0;
 
 	/* figure out last allowed SBAL */
 	zfcp_qdio_sbal_limit(qdio, q_req, max_sbals);
@@ -258,10 +229,16 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
 	sbale->flags |= sbtype;
 
 	for (; sg; sg = sg_next(sg)) {
-		retval = zfcp_qdio_fill_sbals(qdio, q_req, sbtype,
-					      sg_virt(sg), sg->length);
-		if (retval < 0)
-			return retval;
+		sbale = zfcp_qdio_sbale_next(qdio, q_req, sbtype);
+		if (!sbale) {
+			atomic_inc(&qdio->req_q_full);
+			zfcp_qdio_undo_sbals(qdio, q_req);
+			return -EINVAL;
+		}
+
+		sbale->addr = sg_virt(sg);
+		sbale->length = sg->length;
+
 		bytes += sg->length;
 	}
 
diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h
index 8cca54631e1..f2b5a363bb8 100644
--- a/drivers/s390/scsi/zfcp_qdio.h
+++ b/drivers/s390/scsi/zfcp_qdio.h
@@ -11,6 +11,8 @@
 
 #include <asm/qdio.h>
 
+#define ZFCP_QDIO_SBALE_LEN	PAGE_SIZE
+
 /**
  * struct zfcp_qdio_queue - qdio queue buffer, zfcp index and free count
  * @sbal: qdio buffers
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index d13eb9a6408..066b0507a63 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -682,6 +682,7 @@ struct zfcp_data zfcp_data = {
 		.use_clustering		 = 1,
 		.sdev_attrs		 = zfcp_sysfs_sdev_attrs,
 		.max_sectors		 = (ZFCP_MAX_SBALES_PER_REQ * 8),
+		.dma_boundary		 = ZFCP_QDIO_SBALE_LEN - 1,
 		.shost_attrs		 = zfcp_sysfs_shost_attrs,
 	},
 };

From 1674b4054744c2cfd6573e43eca45d86ff581d0e Mon Sep 17 00:00:00 2001
From: Christof Schmitt <christof.schmitt@de.ibm.com>
Date: Fri, 30 Apr 2010 18:09:34 +0200
Subject: [PATCH 0628/3638] [SCSI] zfcp: Move sbale handling to zfcp_qdio files

Move the code accessing the qdio sbales and zfcp_qdio_req struct to
the zfcp_qdio files and provide helper functions for accessing the
qdio related parts.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/s390/scsi/zfcp_def.h  |  17 ----
 drivers/s390/scsi/zfcp_ext.h  |   5 +-
 drivers/s390/scsi/zfcp_fsf.c  | 180 +++++++++++++---------------------
 drivers/s390/scsi/zfcp_fsf.h  |   9 +-
 drivers/s390/scsi/zfcp_qdio.c |  25 +++--
 drivers/s390/scsi/zfcp_qdio.h | 102 +++++++++++++++++++
 drivers/s390/scsi/zfcp_scsi.c |   4 +-
 7 files changed, 191 insertions(+), 151 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 72132c13f45..0b2ae60a6f9 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -44,23 +44,6 @@ struct zfcp_reqlist;
 /********************* SCSI SPECIFIC DEFINES *********************************/
 #define ZFCP_SCSI_ER_TIMEOUT                    (10*HZ)
 
-/********************* CIO/QDIO SPECIFIC DEFINES *****************************/
-
-/* DMQ bug workaround: don't use last SBALE */
-#define ZFCP_MAX_SBALES_PER_SBAL	(QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
-
-/* index of last SBALE (with respect to DMQ bug workaround) */
-#define ZFCP_LAST_SBALE_PER_SBAL	(ZFCP_MAX_SBALES_PER_SBAL - 1)
-
-/* max. number of (data buffer) SBALEs in largest SBAL chain */
-#define ZFCP_MAX_SBALES_PER_REQ		\
-	(FSF_MAX_SBALS_PER_REQ * ZFCP_MAX_SBALES_PER_SBAL - 2)
-        /* request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */
-
-#define ZFCP_MAX_SECTORS (ZFCP_MAX_SBALES_PER_REQ * 8)
-        /* max. number of (data buffer) SBALEs in largest SBAL chain
-           multiplied with number of sectors per 4k block */
-
 /********************* FSF SPECIFIC DEFINES *********************************/
 
 /* ATTENTION: value must not be used by hardware */
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 8786a79c7f8..172da12a2d0 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -3,7 +3,7 @@
  *
  * External function declarations.
  *
- * Copyright IBM Corporation 2002, 2009
+ * Copyright IBM Corporation 2002, 2010
  */
 
 #ifndef ZFCP_EXT_H
@@ -144,8 +144,7 @@ extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
 extern int zfcp_qdio_setup(struct zfcp_adapter *);
 extern void zfcp_qdio_destroy(struct zfcp_qdio *);
 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
-extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *,
-				   struct zfcp_qdio_req *, unsigned long,
+extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
 				   struct scatterlist *, int);
 extern int zfcp_qdio_open(struct zfcp_qdio *);
 extern void zfcp_qdio_close(struct zfcp_qdio *);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 18564891ea6..ec1b49a7553 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -705,10 +705,9 @@ static struct fsf_qtcb *zfcp_qtcb_alloc(mempool_t *pool)
 }
 
 static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio,
-						u32 fsf_cmd, mempool_t *pool)
+						u32 fsf_cmd, u32 sbtype,
+						mempool_t *pool)
 {
-	struct qdio_buffer_element *sbale;
-	struct zfcp_qdio_queue *req_q = &qdio->req_q;
 	struct zfcp_adapter *adapter = qdio->adapter;
 	struct zfcp_fsf_req *req = zfcp_fsf_alloc(pool);
 
@@ -725,14 +724,6 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio,
 	req->adapter = adapter;
 	req->fsf_command = fsf_cmd;
 	req->req_id = adapter->req_no;
-	req->qdio_req.sbal_number = 1;
-	req->qdio_req.sbal_first = req_q->first;
-	req->qdio_req.sbal_last = req_q->first;
-	req->qdio_req.sbale_curr = 1;
-
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].addr = (void *) req->req_id;
-	sbale[0].flags |= SBAL_FLAGS0_COMMAND;
 
 	if (likely(fsf_cmd != FSF_QTCB_UNSOLICITED_STATUS)) {
 		if (likely(pool))
@@ -753,10 +744,11 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio,
 		req->qtcb->prefix.qtcb_version = FSF_QTCB_CURRENT_VERSION;
 		req->qtcb->header.req_handle = req->req_id;
 		req->qtcb->header.fsf_command = req->fsf_command;
-		sbale[1].addr = (void *) req->qtcb;
-		sbale[1].length = sizeof(struct fsf_qtcb);
 	}
 
+	zfcp_qdio_req_init(adapter->qdio, &req->qdio_req, req->req_id, sbtype,
+			   req->qtcb, sizeof(struct fsf_qtcb));
+
 	if (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) {
 		zfcp_fsf_req_free(req);
 		return ERR_PTR(-EIO);
@@ -803,24 +795,19 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
 	struct zfcp_adapter *adapter = qdio->adapter;
 	struct zfcp_fsf_req *req;
 	struct fsf_status_read_buffer *sr_buf;
-	struct qdio_buffer_element *sbale;
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
 	if (zfcp_fsf_req_sbal_get(qdio))
 		goto out;
 
-	req = zfcp_fsf_req_create(qdio, FSF_QTCB_UNSOLICITED_STATUS,
+	req = zfcp_fsf_req_create(qdio, FSF_QTCB_UNSOLICITED_STATUS, 0,
 				  adapter->pool.status_read_req);
 	if (IS_ERR(req)) {
 		retval = PTR_ERR(req);
 		goto out;
 	}
 
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[2].flags |= SBAL_FLAGS_LAST_ENTRY;
-	req->qdio_req.sbale_curr = 2;
-
 	sr_buf = mempool_alloc(adapter->pool.status_read_data, GFP_ATOMIC);
 	if (!sr_buf) {
 		retval = -ENOMEM;
@@ -828,9 +815,9 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
 	}
 	memset(sr_buf, 0, sizeof(*sr_buf));
 	req->data = sr_buf;
-	sbale = zfcp_qdio_sbale_curr(qdio, &req->qdio_req);
-	sbale->addr = (void *) sr_buf;
-	sbale->length = sizeof(*sr_buf);
+
+	zfcp_qdio_fill_next(qdio, &req->qdio_req, sr_buf, sizeof(*sr_buf));
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	retval = zfcp_fsf_req_send(req);
 	if (retval)
@@ -907,7 +894,6 @@ static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req)
 struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
 						struct zfcp_unit *unit)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_fsf_req *req = NULL;
 	struct zfcp_qdio *qdio = unit->port->adapter->qdio;
 
@@ -915,6 +901,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
 	if (zfcp_fsf_req_sbal_get(qdio))
 		goto out;
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_ABORT_FCP_CMND,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.scsi_abort);
 	if (IS_ERR(req)) {
 		req = NULL;
@@ -925,9 +912,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
 		       ZFCP_STATUS_COMMON_UNBLOCKED)))
 		goto out_error_free;
 
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->data = unit;
 	req->handler = zfcp_fsf_abort_fcp_command_handler;
@@ -996,21 +981,14 @@ skip_fsfstatus:
 		ct->handler(ct->handler_data);
 }
 
-static void zfcp_fsf_setup_ct_els_unchained(struct qdio_buffer_element *sbale,
+static void zfcp_fsf_setup_ct_els_unchained(struct zfcp_qdio *qdio,
+					    struct zfcp_qdio_req *q_req,
 					    struct scatterlist *sg_req,
 					    struct scatterlist *sg_resp)
 {
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE_READ;
-	sbale[2].addr   = sg_virt(sg_req);
-	sbale[2].length = sg_req->length;
-	sbale[3].addr   = sg_virt(sg_resp);
-	sbale[3].length = sg_resp->length;
-	sbale[3].flags |= SBAL_FLAGS_LAST_ENTRY;
-}
-
-static int zfcp_fsf_one_sbal(struct scatterlist *sg)
-{
-	return sg_is_last(sg) && sg->length <= PAGE_SIZE;
+	zfcp_qdio_fill_next(qdio, q_req, sg_virt(sg_req), sg_req->length);
+	zfcp_qdio_fill_next(qdio, q_req, sg_virt(sg_resp), sg_resp->length);
+	zfcp_qdio_set_sbale_last(qdio, q_req);
 }
 
 static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
@@ -1019,35 +997,34 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
 				       int max_sbals)
 {
 	struct zfcp_adapter *adapter = req->adapter;
-	struct qdio_buffer_element *sbale = zfcp_qdio_sbale_req(adapter->qdio,
-							       &req->qdio_req);
 	u32 feat = adapter->adapter_features;
 	int bytes;
 
 	if (!(feat & FSF_FEATURE_ELS_CT_CHAINED_SBALS)) {
-		if (!zfcp_fsf_one_sbal(sg_req) || !zfcp_fsf_one_sbal(sg_resp))
+		if (!zfcp_qdio_sg_one_sbale(sg_req) ||
+		    !zfcp_qdio_sg_one_sbale(sg_resp))
 			return -EOPNOTSUPP;
 
-		zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
+		zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req,
+						sg_req, sg_resp);
 		return 0;
 	}
 
 	/* use single, unchained SBAL if it can hold the request */
-	if (zfcp_fsf_one_sbal(sg_req) && zfcp_fsf_one_sbal(sg_resp)) {
-		zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
+	if (zfcp_qdio_sg_one_sbale(sg_req) || zfcp_qdio_sg_one_sbale(sg_resp)) {
+		zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req,
+						sg_req, sg_resp);
 		return 0;
 	}
 
 	bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->qdio_req,
-					SBAL_FLAGS0_TYPE_WRITE_READ,
 					sg_req, max_sbals);
 	if (bytes <= 0)
 		return -EIO;
 	req->qtcb->bottom.support.req_buf_length = bytes;
-	req->qdio_req.sbale_curr = ZFCP_LAST_SBALE_PER_SBAL;
+	zfcp_qdio_skip_to_last_sbale(&req->qdio_req);
 
 	bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->qdio_req,
-					SBAL_FLAGS0_TYPE_WRITE_READ,
 					sg_resp, max_sbals);
 	req->qtcb->bottom.support.resp_buf_length = bytes;
 	if (bytes <= 0)
@@ -1094,7 +1071,8 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
 	if (zfcp_fsf_req_sbal_get(qdio))
 		goto out;
 
-	req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_GENERIC, pool);
+	req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_GENERIC,
+				  SBAL_FLAGS0_TYPE_WRITE_READ, pool);
 
 	if (IS_ERR(req)) {
 		ret = PTR_ERR(req);
@@ -1103,7 +1081,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
 	ret = zfcp_fsf_setup_ct_els(req, ct->req, ct->resp,
-				    FSF_MAX_SBALS_PER_REQ, timeout);
+				    ZFCP_FSF_MAX_SBALS_PER_REQ, timeout);
 	if (ret)
 		goto failed_send;
 
@@ -1190,7 +1168,8 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id,
 	if (zfcp_fsf_req_sbal_get(qdio))
 		goto out;
 
-	req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_ELS, NULL);
+	req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_ELS,
+				  SBAL_FLAGS0_TYPE_WRITE_READ, NULL);
 
 	if (IS_ERR(req)) {
 		ret = PTR_ERR(req);
@@ -1224,7 +1203,6 @@ out:
 
 int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_fsf_req *req;
 	struct zfcp_qdio *qdio = erp_action->adapter->qdio;
 	int retval = -EIO;
@@ -1234,6 +1212,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
 	if (IS_ERR(req)) {
@@ -1242,9 +1221,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->qtcb->bottom.config.feature_selection =
 			FSF_FEATURE_CFDC |
@@ -1269,7 +1246,6 @@ out:
 int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
 				       struct fsf_qtcb_bottom_config *data)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_fsf_req *req = NULL;
 	int retval = -EIO;
 
@@ -1277,16 +1253,15 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
 	if (zfcp_fsf_req_sbal_get(qdio))
 		goto out_unlock;
 
-	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA, NULL);
+	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
+				  SBAL_FLAGS0_TYPE_READ, NULL);
 
 	if (IS_ERR(req)) {
 		retval = PTR_ERR(req);
 		goto out_unlock;
 	}
 
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 	req->handler = zfcp_fsf_exchange_config_data_handler;
 
 	req->qtcb->bottom.config.feature_selection =
@@ -1320,7 +1295,6 @@ out_unlock:
 int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
 {
 	struct zfcp_qdio *qdio = erp_action->adapter->qdio;
-	struct qdio_buffer_element *sbale;
 	struct zfcp_fsf_req *req;
 	int retval = -EIO;
 
@@ -1332,6 +1306,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
 	if (IS_ERR(req)) {
@@ -1340,9 +1315,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->handler = zfcp_fsf_exchange_port_data_handler;
 	req->erp_action = erp_action;
@@ -1368,7 +1341,6 @@ out:
 int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
 				     struct fsf_qtcb_bottom_port *data)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_fsf_req *req = NULL;
 	int retval = -EIO;
 
@@ -1379,7 +1351,8 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
 	if (zfcp_fsf_req_sbal_get(qdio))
 		goto out_unlock;
 
-	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA, NULL);
+	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
+				  SBAL_FLAGS0_TYPE_READ, NULL);
 
 	if (IS_ERR(req)) {
 		retval = PTR_ERR(req);
@@ -1389,9 +1362,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
 	if (data)
 		req->data = data;
 
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->handler = zfcp_fsf_exchange_port_data_handler;
 	zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
@@ -1485,7 +1456,6 @@ out:
  */
 int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_qdio *qdio = erp_action->adapter->qdio;
 	struct zfcp_port *port = erp_action->port;
 	struct zfcp_fsf_req *req;
@@ -1496,6 +1466,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
 	if (IS_ERR(req)) {
@@ -1504,9 +1475,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-        sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-        sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->handler = zfcp_fsf_open_port_handler;
 	hton24(req->qtcb->bottom.support.d_id, port->d_id);
@@ -1556,7 +1525,6 @@ static void zfcp_fsf_close_port_handler(struct zfcp_fsf_req *req)
  */
 int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_qdio *qdio = erp_action->adapter->qdio;
 	struct zfcp_fsf_req *req;
 	int retval = -EIO;
@@ -1566,6 +1534,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
 	if (IS_ERR(req)) {
@@ -1574,9 +1543,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->handler = zfcp_fsf_close_port_handler;
 	req->data = erp_action->port;
@@ -1633,7 +1600,6 @@ out:
  */
 int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_qdio *qdio = wka_port->adapter->qdio;
 	struct zfcp_fsf_req *req;
 	int retval = -EIO;
@@ -1643,6 +1609,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
 	if (unlikely(IS_ERR(req))) {
@@ -1651,9 +1618,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->handler = zfcp_fsf_open_wka_port_handler;
 	hton24(req->qtcb->bottom.support.d_id, wka_port->d_id);
@@ -1688,7 +1653,6 @@ static void zfcp_fsf_close_wka_port_handler(struct zfcp_fsf_req *req)
  */
 int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_qdio *qdio = wka_port->adapter->qdio;
 	struct zfcp_fsf_req *req;
 	int retval = -EIO;
@@ -1698,6 +1662,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
 	if (unlikely(IS_ERR(req))) {
@@ -1706,9 +1671,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->handler = zfcp_fsf_close_wka_port_handler;
 	req->data = wka_port;
@@ -1782,7 +1745,6 @@ static void zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *req)
  */
 int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_qdio *qdio = erp_action->adapter->qdio;
 	struct zfcp_fsf_req *req;
 	int retval = -EIO;
@@ -1792,6 +1754,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PHYSICAL_PORT,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
 	if (IS_ERR(req)) {
@@ -1800,9 +1763,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->data = erp_action->port;
 	req->qtcb->header.port_handle = erp_action->port->handle;
@@ -1954,7 +1915,6 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
  */
 int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_adapter *adapter = erp_action->adapter;
 	struct zfcp_qdio *qdio = adapter->qdio;
 	struct zfcp_fsf_req *req;
@@ -1965,6 +1925,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_LUN,
+				  SBAL_FLAGS0_TYPE_READ,
 				  adapter->pool.erp_req);
 
 	if (IS_ERR(req)) {
@@ -1973,9 +1934,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-        sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-        sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->qtcb->header.port_handle = erp_action->port->handle;
 	req->qtcb->bottom.support.fcp_lun = erp_action->unit->fcp_lun;
@@ -2041,7 +2000,6 @@ static void zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *req)
  */
 int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_qdio *qdio = erp_action->adapter->qdio;
 	struct zfcp_fsf_req *req;
 	int retval = -EIO;
@@ -2051,6 +2009,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_LUN,
+				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
 	if (IS_ERR(req)) {
@@ -2059,9 +2018,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	req->qtcb->header.port_handle = erp_action->port->handle;
 	req->qtcb->header.lun_handle = erp_action->unit->handle;
@@ -2289,8 +2246,11 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit,
 		goto out;
 	}
 
+	if (scsi_cmnd->sc_data_direction == DMA_TO_DEVICE)
+		sbtype = SBAL_FLAGS0_TYPE_WRITE;
+
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_FCP_CMND,
-				  adapter->pool.scsi_req);
+				  sbtype, adapter->pool.scsi_req);
 
 	if (IS_ERR(req)) {
 		retval = PTR_ERR(req);
@@ -2298,7 +2258,6 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit,
 	}
 
 	req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-	get_device(&unit->dev);
 	req->unit = unit;
 	req->data = scsi_cmnd;
 	req->handler = zfcp_fsf_send_fcp_command_handler;
@@ -2323,20 +2282,21 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit,
 		break;
 	case DMA_TO_DEVICE:
 		req->qtcb->bottom.io.data_direction = FSF_DATADIR_WRITE;
-		sbtype = SBAL_FLAGS0_TYPE_WRITE;
 		break;
 	case DMA_BIDIRECTIONAL:
 		goto failed_scsi_cmnd;
 	}
 
+	get_device(&unit->dev);
+
 	fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
 	zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd);
 
-	real_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, sbtype,
+	real_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req,
 					     scsi_sglist(scsi_cmnd),
-					     FSF_MAX_SBALS_PER_REQ);
+					     ZFCP_FSF_MAX_SBALS_PER_REQ);
 	if (unlikely(real_bytes < 0)) {
-		if (req->qdio_req.sbal_number >= FSF_MAX_SBALS_PER_REQ) {
+		if (req->qdio_req.sbal_number >= ZFCP_FSF_MAX_SBALS_PER_REQ) {
 			dev_err(&adapter->ccw_device->dev,
 				"Oversize data package, unit 0x%016Lx "
 				"on port 0x%016Lx closed\n",
@@ -2371,7 +2331,6 @@ out:
  */
 struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_fsf_req *req = NULL;
 	struct fcp_cmnd *fcp_cmnd;
 	struct zfcp_qdio *qdio = unit->port->adapter->qdio;
@@ -2385,6 +2344,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_FCP_CMND,
+				  SBAL_FLAGS0_TYPE_WRITE,
 				  qdio->adapter->pool.scsi_req);
 
 	if (IS_ERR(req)) {
@@ -2401,9 +2361,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
 	req->qtcb->bottom.io.service_class = FSF_CLASS_3;
 	req->qtcb->bottom.io.fcp_cmnd_length = FCP_CMND_LEN;
 
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE;
-	sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
 	zfcp_fc_fcp_tm(fcp_cmnd, unit->device, tm_flags);
@@ -2432,7 +2390,6 @@ static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req)
 struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
 					   struct zfcp_fsf_cfdc *fsf_cfdc)
 {
-	struct qdio_buffer_element *sbale;
 	struct zfcp_qdio *qdio = adapter->qdio;
 	struct zfcp_fsf_req *req = NULL;
 	struct fsf_qtcb_bottom_support *bottom;
@@ -2456,7 +2413,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
 	if (zfcp_fsf_req_sbal_get(qdio))
 		goto out;
 
-	req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, NULL);
+	req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, direction, NULL);
 	if (IS_ERR(req)) {
 		retval = -EPERM;
 		goto out;
@@ -2464,16 +2421,13 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
 
 	req->handler = zfcp_fsf_control_file_handler;
 
-	sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
-	sbale[0].flags |= direction;
-
 	bottom = &req->qtcb->bottom.support;
 	bottom->operation_subtype = FSF_CFDC_OPERATION_SUBTYPE;
 	bottom->option = fsf_cfdc->option;
 
 	bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req,
-					direction, fsf_cfdc->sg,
-					FSF_MAX_SBALS_PER_REQ);
+					fsf_cfdc->sg,
+					ZFCP_FSF_MAX_SBALS_PER_REQ);
 	if (bytes != ZFCP_CFDC_MAX_SIZE) {
 		zfcp_fsf_req_free(req);
 		goto out;
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index b3de682b64c..4008bd78679 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -3,7 +3,7 @@
  *
  * Interface to the FSF support functions.
  *
- * Copyright IBM Corporation 2002, 2009
+ * Copyright IBM Corporation 2002, 2010
  */
 
 #ifndef FSF_H
@@ -152,7 +152,12 @@
 #define FSF_CLASS_3				0x00000003
 
 /* SBAL chaining */
-#define FSF_MAX_SBALS_PER_REQ			36
+#define ZFCP_FSF_MAX_SBALS_PER_REQ		36
+
+/* max. number of (data buffer) SBALEs in largest SBAL chain
+ * request ID + QTCB in SBALE 0 + 1 of first SBAL in chain   */
+#define ZFCP_FSF_MAX_SBALES_PER_REQ	\
+	(ZFCP_FSF_MAX_SBALS_PER_REQ * ZFCP_QDIO_MAX_SBALES_PER_SBAL - 2)
 
 /* logging space behind QTCB */
 #define FSF_QTCB_LOG_SIZE			1024
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index aa68515abe2..98d54a9cd56 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -3,7 +3,7 @@
  *
  * Setup and helper functions to access QDIO.
  *
- * Copyright IBM Corporation 2002, 2009
+ * Copyright IBM Corporation 2002, 2010
  */
 
 #define KMSG_COMPONENT "zfcp"
@@ -151,8 +151,7 @@ static void zfcp_qdio_sbal_limit(struct zfcp_qdio *qdio,
 }
 
 static struct qdio_buffer_element *
-zfcp_qdio_sbal_chain(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
-		     unsigned long sbtype)
+zfcp_qdio_sbal_chain(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req)
 {
 	struct qdio_buffer_element *sbale;
 
@@ -180,17 +179,16 @@ zfcp_qdio_sbal_chain(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
 
 	/* set storage-block type for new SBAL */
 	sbale = zfcp_qdio_sbale_curr(qdio, q_req);
-	sbale->flags |= sbtype;
+	sbale->flags |= q_req->sbtype;
 
 	return sbale;
 }
 
 static struct qdio_buffer_element *
-zfcp_qdio_sbale_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
-		     unsigned int sbtype)
+zfcp_qdio_sbale_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req)
 {
-	if (q_req->sbale_curr == ZFCP_LAST_SBALE_PER_SBAL)
-		return zfcp_qdio_sbal_chain(qdio, q_req, sbtype);
+	if (q_req->sbale_curr == ZFCP_QDIO_LAST_SBALE_PER_SBAL)
+		return zfcp_qdio_sbal_chain(qdio, q_req);
 	q_req->sbale_curr++;
 	return zfcp_qdio_sbale_curr(qdio, q_req);
 }
@@ -208,15 +206,14 @@ static void zfcp_qdio_undo_sbals(struct zfcp_qdio *qdio,
 
 /**
  * zfcp_qdio_sbals_from_sg - fill SBALs from scatter-gather list
- * @fsf_req: request to be processed
- * @sbtype: SBALE flags
+ * @qdio: pointer to struct zfcp_qdio
+ * @q_req: pointer to struct zfcp_qdio_req
  * @sg: scatter-gather list
  * @max_sbals: upper bound for number of SBALs to be used
  * Returns: number of bytes, or error (negativ)
  */
 int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
-			    unsigned long sbtype, struct scatterlist *sg,
-			    int max_sbals)
+			    struct scatterlist *sg, int max_sbals)
 {
 	struct qdio_buffer_element *sbale;
 	int bytes = 0;
@@ -226,10 +223,10 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
 
 	/* set storage-block type for this request */
 	sbale = zfcp_qdio_sbale_req(qdio, q_req);
-	sbale->flags |= sbtype;
+	sbale->flags |= q_req->sbtype;
 
 	for (; sg; sg = sg_next(sg)) {
-		sbale = zfcp_qdio_sbale_next(qdio, q_req, sbtype);
+		sbale = zfcp_qdio_sbale_next(qdio, q_req);
 		if (!sbale) {
 			atomic_inc(&qdio->req_q_full);
 			zfcp_qdio_undo_sbals(qdio, q_req);
diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h
index f2b5a363bb8..138fba577b4 100644
--- a/drivers/s390/scsi/zfcp_qdio.h
+++ b/drivers/s390/scsi/zfcp_qdio.h
@@ -13,6 +13,12 @@
 
 #define ZFCP_QDIO_SBALE_LEN	PAGE_SIZE
 
+/* DMQ bug workaround: don't use last SBALE */
+#define ZFCP_QDIO_MAX_SBALES_PER_SBAL	(QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
+
+/* index of last SBALE (with respect to DMQ bug workaround) */
+#define ZFCP_QDIO_LAST_SBALE_PER_SBAL	(ZFCP_QDIO_MAX_SBALES_PER_SBAL - 1)
+
 /**
  * struct zfcp_qdio_queue - qdio queue buffer, zfcp index and free count
  * @sbal: qdio buffers
@@ -51,6 +57,7 @@ struct zfcp_qdio {
 
 /**
  * struct zfcp_qdio_req - qdio queue related values for a request
+ * @sbtype: sbal type flags for sbale 0
  * @sbal_number: number of free sbals
  * @sbal_first: first sbal for this request
  * @sbal_last: last sbal for this request
@@ -61,6 +68,7 @@ struct zfcp_qdio {
  * @qdio_inb_usage: usage of inbound queue
  */
 struct zfcp_qdio_req {
+	u32	sbtype;
 	u8	sbal_number;
 	u8	sbal_first;
 	u8	sbal_last;
@@ -108,4 +116,98 @@ zfcp_qdio_sbale_curr(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req)
 			       q_req->sbale_curr);
 }
 
+/**
+ * zfcp_qdio_req_init - initialize qdio request
+ * @qdio: request queue where to start putting the request
+ * @q_req: the qdio request to start
+ * @req_id: The request id
+ * @sbtype: type flags to set for all sbals
+ * @data: First data block
+ * @len: Length of first data block
+ *
+ * This is the start of putting the request into the queue, the last
+ * step is passing the request to zfcp_qdio_send. The request queue
+ * lock must be held during the whole process from init to send.
+ */
+static inline
+void zfcp_qdio_req_init(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
+			unsigned long req_id, u32 sbtype, void *data, u32 len)
+{
+	struct qdio_buffer_element *sbale;
+
+	q_req->sbal_first = q_req->sbal_last = qdio->req_q.first;
+	q_req->sbal_number = 1;
+	q_req->sbtype = sbtype;
+
+	sbale = zfcp_qdio_sbale_req(qdio, q_req);
+	sbale->addr = (void *) req_id;
+	sbale->flags |= SBAL_FLAGS0_COMMAND;
+	sbale->flags |= sbtype;
+
+	q_req->sbale_curr = 1;
+	sbale++;
+	sbale->addr = data;
+	if (likely(data))
+		sbale->length = len;
+}
+
+/**
+ * zfcp_qdio_fill_next - Fill next sbale, only for single sbal requests
+ * @qdio: pointer to struct zfcp_qdio
+ * @q_req: pointer to struct zfcp_queue_req
+ *
+ * This is only required for single sbal requests, calling it when
+ * wrapping around to the next sbal is a bug.
+ */
+static inline
+void zfcp_qdio_fill_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
+			 void *data, u32 len)
+{
+	struct qdio_buffer_element *sbale;
+
+	BUG_ON(q_req->sbale_curr == ZFCP_QDIO_LAST_SBALE_PER_SBAL);
+	q_req->sbale_curr++;
+	sbale = zfcp_qdio_sbale_curr(qdio, q_req);
+	sbale->addr = data;
+	sbale->length = len;
+}
+
+/**
+ * zfcp_qdio_set_sbale_last - set last entry flag in current sbale
+ * @qdio: pointer to struct zfcp_qdio
+ * @q_req: pointer to struct zfcp_queue_req
+ */
+static inline
+void zfcp_qdio_set_sbale_last(struct zfcp_qdio *qdio,
+			      struct zfcp_qdio_req *q_req)
+{
+	struct qdio_buffer_element *sbale;
+
+	sbale = zfcp_qdio_sbale_curr(qdio, q_req);
+	sbale->flags |= SBAL_FLAGS_LAST_ENTRY;
+}
+
+/**
+ * zfcp_qdio_sg_one_sbal - check if one sbale is enough for sg data
+ * @sg: The scatterlist where to check the data size
+ *
+ * Returns: 1 when one sbale is enough for the data in the scatterlist,
+ *	    0 if not.
+ */
+static inline
+int zfcp_qdio_sg_one_sbale(struct scatterlist *sg)
+{
+	return sg_is_last(sg) && sg->length <= ZFCP_QDIO_SBALE_LEN;
+}
+
+/**
+ * zfcp_qdio_skip_to_last_sbale - skip to last sbale in sbal
+ * @q_req: The current zfcp_qdio_req
+ */
+static inline
+void zfcp_qdio_skip_to_last_sbale(struct zfcp_qdio_req *q_req)
+{
+	q_req->sbale_curr = ZFCP_QDIO_LAST_SBALE_PER_SBAL;
+}
+
 #endif /* ZFCP_QDIO_H */
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 066b0507a63..be5d2c60453 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -677,11 +677,11 @@ struct zfcp_data zfcp_data = {
 		.eh_host_reset_handler	 = zfcp_scsi_eh_host_reset_handler,
 		.can_queue		 = 4096,
 		.this_id		 = -1,
-		.sg_tablesize		 = ZFCP_MAX_SBALES_PER_REQ,
+		.sg_tablesize		 = ZFCP_FSF_MAX_SBALES_PER_REQ,
 		.cmd_per_lun		 = 1,
 		.use_clustering		 = 1,
 		.sdev_attrs		 = zfcp_sysfs_sdev_attrs,
-		.max_sectors		 = (ZFCP_MAX_SBALES_PER_REQ * 8),
+		.max_sectors		 = (ZFCP_FSF_MAX_SBALES_PER_REQ * 8),
 		.dma_boundary		 = ZFCP_QDIO_SBALE_LEN - 1,
 		.shost_attrs		 = zfcp_sysfs_shost_attrs,
 	},

From 6b9e1520094a8aa68009c265eb694e0be9f5be3f Mon Sep 17 00:00:00 2001
From: Christof Schmitt <christof.schmitt@de.ibm.com>
Date: Fri, 30 Apr 2010 18:09:35 +0200
Subject: [PATCH 0629/3638] [SCSI] zfcp: Move sbal_get function to zfcp_qdio.c

Waiting for a free sbal is a operation on the qdio queue. Move the
code implementing the wait to zfcp_qdio.c and rename the functions
accordingly.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/s390/scsi/zfcp_ext.h  |  1 +
 drivers/s390/scsi/zfcp_fsf.c  | 65 +++++++++--------------------------
 drivers/s390/scsi/zfcp_qdio.c | 40 +++++++++++++++++++++
 3 files changed, 58 insertions(+), 48 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 172da12a2d0..48a8f93b72f 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -143,6 +143,7 @@ extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
 /* zfcp_qdio.c */
 extern int zfcp_qdio_setup(struct zfcp_adapter *);
 extern void zfcp_qdio_destroy(struct zfcp_qdio *);
+extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
 				   struct scatterlist *, int);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index ec1b49a7553..3822f22b815 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -640,37 +640,6 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
 	}
 }
 
-static int zfcp_fsf_sbal_check(struct zfcp_qdio *qdio)
-{
-	struct zfcp_qdio_queue *req_q = &qdio->req_q;
-
-	spin_lock_bh(&qdio->req_q_lock);
-	if (atomic_read(&req_q->count))
-		return 1;
-	spin_unlock_bh(&qdio->req_q_lock);
-	return 0;
-}
-
-static int zfcp_fsf_req_sbal_get(struct zfcp_qdio *qdio)
-{
-	struct zfcp_adapter *adapter = qdio->adapter;
-	long ret;
-
-	spin_unlock_bh(&qdio->req_q_lock);
-	ret = wait_event_interruptible_timeout(qdio->req_q_wq,
-			       zfcp_fsf_sbal_check(qdio), 5 * HZ);
-	if (ret > 0)
-		return 0;
-	if (!ret) {
-		atomic_inc(&qdio->req_q_full);
-		/* assume hanging outbound queue, try queue recovery */
-		zfcp_erp_adapter_reopen(adapter, 0, "fsrsg_1", NULL);
-	}
-
-	spin_lock_bh(&qdio->req_q_lock);
-	return -EIO;
-}
-
 static struct zfcp_fsf_req *zfcp_fsf_alloc(mempool_t *pool)
 {
 	struct zfcp_fsf_req *req;
@@ -798,7 +767,7 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_UNSOLICITED_STATUS, 0,
@@ -898,7 +867,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
 	struct zfcp_qdio *qdio = unit->port->adapter->qdio;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_ABORT_FCP_CMND,
 				  SBAL_FLAGS0_TYPE_READ,
@@ -1068,7 +1037,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
 	int ret = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_GENERIC,
@@ -1165,7 +1134,7 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id,
 	int ret = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_ELS,
@@ -1208,7 +1177,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
@@ -1250,7 +1219,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out_unlock;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
@@ -1302,7 +1271,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
 		return -EOPNOTSUPP;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
@@ -1348,7 +1317,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
 		return -EOPNOTSUPP;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out_unlock;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
@@ -1462,7 +1431,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
@@ -1530,7 +1499,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
@@ -1605,7 +1574,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
@@ -1658,7 +1627,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
@@ -1750,7 +1719,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PHYSICAL_PORT,
@@ -1921,7 +1890,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_LUN,
@@ -2005,7 +1974,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
 	int retval = -EIO;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_LUN,
@@ -2340,7 +2309,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
 		return NULL;
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, FSF_QTCB_FCP_CMND,
@@ -2410,7 +2379,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
 	}
 
 	spin_lock_bh(&qdio->req_q_lock);
-	if (zfcp_fsf_req_sbal_get(qdio))
+	if (zfcp_qdio_sbal_get(qdio))
 		goto out;
 
 	req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, direction, NULL);
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 98d54a9cd56..28117e130e2 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -246,6 +246,46 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
 	return bytes;
 }
 
+static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio)
+{
+	struct zfcp_qdio_queue *req_q = &qdio->req_q;
+
+	spin_lock_bh(&qdio->req_q_lock);
+	if (atomic_read(&req_q->count))
+		return 1;
+	spin_unlock_bh(&qdio->req_q_lock);
+	return 0;
+}
+
+/**
+ * zfcp_qdio_sbal_get - get free sbal in request queue, wait if necessary
+ * @qdio: pointer to struct zfcp_qdio
+ *
+ * The req_q_lock must be held by the caller of this function, and
+ * this function may only be called from process context; it will
+ * sleep when waiting for a free sbal.
+ *
+ * Returns: 0 on success, -EIO if there is no free sbal after waiting.
+ */
+int zfcp_qdio_sbal_get(struct zfcp_qdio *qdio)
+{
+	long ret;
+
+	spin_unlock_bh(&qdio->req_q_lock);
+	ret = wait_event_interruptible_timeout(qdio->req_q_wq,
+			       zfcp_qdio_sbal_check(qdio), 5 * HZ);
+	if (ret > 0)
+		return 0;
+	if (!ret) {
+		atomic_inc(&qdio->req_q_full);
+		/* assume hanging outbound queue, try queue recovery */
+		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1", NULL);
+	}
+
+	spin_lock_bh(&qdio->req_q_lock);
+	return -EIO;
+}
+
 /**
  * zfcp_qdio_send - set PCI flag in first SBALE and send req to QDIO
  * @qdio: pointer to struct zfcp_qdio

From 64deb6efdc5504ce97b5c1c6f281fffbc150bd93 Mon Sep 17 00:00:00 2001
From: Christof Schmitt <christof.schmitt@de.ibm.com>
Date: Fri, 30 Apr 2010 18:09:36 +0200
Subject: [PATCH 0630/3638] [SCSI] zfcp: Use status_read_buf_num provided by
 FCP channel

The FCP channel provides the number of status read buffers to issue.
Use the provided number instead of the hardcoded number in zfcp.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/s390/scsi/zfcp_aux.c | 3 ++-
 drivers/s390/scsi/zfcp_def.h | 1 +
 drivers/s390/scsi/zfcp_erp.c | 2 +-
 drivers/s390/scsi/zfcp_fsf.c | 1 +
 drivers/s390/scsi/zfcp_fsf.h | 2 +-
 5 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index abf33db647f..e331df2122f 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -425,7 +425,8 @@ int zfcp_status_read_refill(struct zfcp_adapter *adapter)
 {
 	while (atomic_read(&adapter->stat_miss) > 0)
 		if (zfcp_fsf_status_read(adapter->qdio)) {
-			if (atomic_read(&adapter->stat_miss) >= 16) {
+			if (atomic_read(&adapter->stat_miss) >=
+			    adapter->stat_read_buf_num) {
 				zfcp_erp_adapter_reopen(adapter, 0, "axsref1",
 							NULL);
 				return 1;
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 0b2ae60a6f9..9fa1b064893 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -164,6 +164,7 @@ struct zfcp_adapter {
 						      stack abort/command
 						      completion races */
 	atomic_t		stat_miss;	   /* # missing status reads*/
+	unsigned int		stat_read_buf_num;
 	struct work_struct	stat_work;
 	atomic_t		status;	           /* status of this adapter */
 	struct list_head	erp_ready_head;	   /* error recovery for this
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 0be5e7ea282..e3dbeda9717 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -714,7 +714,7 @@ static int zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *act)
 	if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED)
 		return ZFCP_ERP_FAILED;
 
-	atomic_set(&act->adapter->stat_miss, 16);
+	atomic_set(&act->adapter->stat_miss, act->adapter->stat_read_buf_num);
 	if (zfcp_status_read_refill(act->adapter))
 		return ZFCP_ERP_FAILED;
 
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 3822f22b815..9f90b03ac97 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -496,6 +496,7 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
 
 	adapter->hydra_version = bottom->adapter_type;
 	adapter->timer_ticks = bottom->timer_interval;
+	adapter->stat_read_buf_num = max(bottom->status_read_buf_num, (u16)16);
 
 	if (fc_host_permanent_port_name(shost) == -1)
 		fc_host_permanent_port_name(shost) = fc_host_port_name(shost);
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index 4008bd78679..519083fd6e8 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -366,7 +366,7 @@ struct fsf_qtcb_bottom_config {
 	u32 adapter_type;
 	u8 res0;
 	u8 peer_d_id[3];
-	u8 res1[2];
+	u16 status_read_buf_num;
 	u16 timer_interval;
 	u8 res2[9];
 	u8 s_id[3];

From 6e51f085f64a79c7647e88a8a019b7bd84f42255 Mon Sep 17 00:00:00 2001
From: Christof Schmitt <christof.schmitt@de.ibm.com>
Date: Fri, 30 Apr 2010 18:09:37 +0200
Subject: [PATCH 0631/3638] [SCSI] zfcp: Zero memory for gpn_ft and adisc
 requests

With debug kernels, the memory allocated with kmem_cache_alloc might
be initialized with the poison values 6b and a5. Use kmem_cache_zalloc
instead of kmem_cache_alloc to get zeroed memory and not send invalid
requests.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/s390/scsi/zfcp_fc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 2a1cbb74b99..6f8ab43a485 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -400,7 +400,7 @@ static int zfcp_fc_adisc(struct zfcp_port *port)
 	struct zfcp_adapter *adapter = port->adapter;
 	int ret;
 
-	adisc = kmem_cache_alloc(zfcp_data.adisc_cache, GFP_ATOMIC);
+	adisc = kmem_cache_zalloc(zfcp_data.adisc_cache, GFP_ATOMIC);
 	if (!adisc)
 		return -ENOMEM;
 
@@ -493,7 +493,7 @@ static struct zfcp_fc_gpn_ft *zfcp_alloc_sg_env(int buf_num)
 	if (!gpn_ft)
 		return NULL;
 
-	req = kmem_cache_alloc(zfcp_data.gpn_ft_cache, GFP_KERNEL);
+	req = kmem_cache_zalloc(zfcp_data.gpn_ft_cache, GFP_KERNEL);
 	if (!req) {
 		kfree(gpn_ft);
 		gpn_ft = NULL;

From c86e1401c9f2ba8d989fa1c4b33d0f0ec3ba8aaf Mon Sep 17 00:00:00 2001
From: Minskey Guo <chaohong_guo@linux.intel.com>
Date: Sun, 2 May 2010 12:52:35 -0700
Subject: [PATCH 0632/3638] ioat: Remove duplicated devm_kzalloc() calls for
 ioatdma_device

The memory for ioatdma_device structure is being allocated in
alloc_ioatdma()

Signed-off-by: Minskey Guo <chaohong_guo@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/ioat/pci.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index 99ec26725ba..fab37d1cf48 100644
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -138,15 +138,10 @@ static int __devinit ioat_pci_probe(struct pci_dev *pdev, const struct pci_devic
 	if (err)
 		return err;
 
-	device = devm_kzalloc(dev, sizeof(*device), GFP_KERNEL);
-	if (!device)
-		return -ENOMEM;
-
-	pci_set_master(pdev);
-
 	device = alloc_ioatdma(pdev, iomap[IOAT_MMIO_BAR]);
 	if (!device)
 		return -ENOMEM;
+	pci_set_master(pdev);
 	pci_set_drvdata(pdev, device);
 
 	device->version = readb(device->reg_base + IOAT_VER_OFFSET);

From 900e8d6b871a986f5adfa0e71112b8b9face177e Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:31 +0200
Subject: [PATCH 0633/3638] [SCSI] wd33c93: Kill empty wd33c93_release()

wd33c93_release() has been empty since ages, and sgiwd93.c no longer calls it
since its conversion to a proper platform driver 2 years ago. Also remove the
callers in the m68k wd33c93 shims.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/a2091.c   | 2 --
 drivers/scsi/a3000.c   | 2 --
 drivers/scsi/gvp11.c   | 2 --
 drivers/scsi/mvme147.c | 2 --
 drivers/scsi/wd33c93.c | 6 ------
 drivers/scsi/wd33c93.h | 1 -
 6 files changed, 15 deletions(-)

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index d8fe5b76fee..e89064dc8cb 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -193,7 +193,6 @@ static int __init a2091_detect(struct scsi_host_template *tpnt)
 
 unregister:
 	scsi_unregister(instance);
-	wd33c93_release();
 release:
 	release_mem_region(address, 256);
     }
@@ -242,7 +241,6 @@ static int a2091_release(struct Scsi_Host *instance)
 	DMA(instance)->CNTR = 0;
 	release_mem_region(ZTWO_PADDR(instance->base), 256);
 	free_irq(IRQ_AMIGA_PORTS, instance);
-	wd33c93_release();
 #endif
 	return 1;
 }
diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index c35fc55f1c9..291568442aa 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -193,7 +193,6 @@ static int __init a3000_detect(struct scsi_host_template *tpnt)
     return 1;
 
 fail_irq:
-    wd33c93_release();
     scsi_unregister(a3000_host);
 fail_register:
     release_mem_region(0xDD0000, 256);
@@ -237,7 +236,6 @@ static struct scsi_host_template driver_template = {
 
 static int a3000_release(struct Scsi_Host *instance)
 {
-    wd33c93_release();
     DMA(instance)->CNTR = 0;
     release_mem_region(0xDD0000, 256);
     free_irq(IRQ_AMIGA_PORTS, a3000_intr);
diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 48f406850c6..322afcc99e2 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -339,7 +339,6 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 
 unregister:
 	scsi_unregister(instance);
-	wd33c93_release();
 release:
 	release_mem_region(address, 256);
     }
@@ -392,7 +391,6 @@ int gvp11_release(struct Scsi_Host *instance)
     DMA(instance)->CNTR = 0;
     release_mem_region(ZTWO_PADDR(instance->base), 256);
     free_irq(IRQ_AMIGA_PORTS, instance);
-    wd33c93_release();
 #endif
     return 1;
 }
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index d722235111a..a423fcc7c11 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -108,7 +108,6 @@ int mvme147_detect(struct scsi_host_template *tpnt)
  err_free_irq:
     free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
  err_unregister:
-    wd33c93_release();
     scsi_unregister(mvme147_host);
  err_out:
     return 0;
@@ -155,7 +154,6 @@ int mvme147_release(struct Scsi_Host *instance)
 {
 #ifdef MODULE
     /* XXX Make sure DMA is stopped! */
-    wd33c93_release();
     free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
     free_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr);
 #endif
diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index 5fda881c247..b701bf2cc18 100644
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -2224,14 +2224,8 @@ wd33c93_proc_info(struct Scsi_Host *instance, char *buf, char **start, off_t off
 
 }
 
-void
-wd33c93_release(void)
-{
-}
-
 EXPORT_SYMBOL(wd33c93_host_reset);
 EXPORT_SYMBOL(wd33c93_init);
-EXPORT_SYMBOL(wd33c93_release);
 EXPORT_SYMBOL(wd33c93_abort);
 EXPORT_SYMBOL(wd33c93_queuecommand);
 EXPORT_SYMBOL(wd33c93_intr);
diff --git a/drivers/scsi/wd33c93.h b/drivers/scsi/wd33c93.h
index 00123f2383d..1ed5f3bf388 100644
--- a/drivers/scsi/wd33c93.h
+++ b/drivers/scsi/wd33c93.h
@@ -348,6 +348,5 @@ int wd33c93_queuecommand (struct scsi_cmnd *cmd,
 void wd33c93_intr (struct Scsi_Host *instance);
 int wd33c93_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int);
 int wd33c93_host_reset (struct scsi_cmnd *);
-void wd33c93_release(void);
 
 #endif /* WD33C93_H */

From 09bc85b08cc1c146e9b298015601b01a572a543e Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:32 +0200
Subject: [PATCH 0634/3638] [SCSI] a2091: Reindentation

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/a2091.c | 279 ++++++++++++++++++++++---------------------
 drivers/scsi/a2091.h |  42 +++----
 2 files changed, 161 insertions(+), 160 deletions(-)

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index e89064dc8cb..8469c239f9f 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -19,185 +19,186 @@
 #include "wd33c93.h"
 #include "a2091.h"
 
-#include<linux/stat.h>
+#include <linux/stat.h>
 
-#define DMA(ptr) ((a2091_scsiregs *)((ptr)->base))
-#define HDATA(ptr) ((struct WD33C93_hostdata *)((ptr)->hostdata))
+
+#define DMA(ptr)	((a2091_scsiregs *)((ptr)->base))
+#define HDATA(ptr)	((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static int a2091_release(struct Scsi_Host *instance);
 
-static irqreturn_t a2091_intr (int irq, void *_instance)
+static irqreturn_t a2091_intr(int irq, void *_instance)
 {
-    unsigned long flags;
-    unsigned int status;
-    struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
+	unsigned long flags;
+	unsigned int status;
+	struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
 
-    status = DMA(instance)->ISTR;
-    if (!(status & (ISTR_INT_F|ISTR_INT_P)) || !(status & ISTR_INTS))
-	return IRQ_NONE;
+	status = DMA(instance)->ISTR;
+	if (!(status & (ISTR_INT_F | ISTR_INT_P)) || !(status & ISTR_INTS))
+		return IRQ_NONE;
 
-    spin_lock_irqsave(instance->host_lock, flags);
-    wd33c93_intr(instance);
-    spin_unlock_irqrestore(instance->host_lock, flags);
-    return IRQ_HANDLED;
+	spin_lock_irqsave(instance->host_lock, flags);
+	wd33c93_intr(instance);
+	spin_unlock_irqrestore(instance->host_lock, flags);
+	return IRQ_HANDLED;
 }
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
-    unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
-    unsigned long addr = virt_to_bus(cmd->SCp.ptr);
-    struct Scsi_Host *instance = cmd->device->host;
+	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
+	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
+	struct Scsi_Host *instance = cmd->device->host;
 
-    /* don't allow DMA if the physical address is bad */
-    if (addr & A2091_XFER_MASK)
-    {
-	HDATA(instance)->dma_bounce_len = (cmd->SCp.this_residual + 511)
-	    & ~0x1ff;
-	HDATA(instance)->dma_bounce_buffer =
-	    kmalloc (HDATA(instance)->dma_bounce_len, GFP_KERNEL);
-	
-	/* can't allocate memory; use PIO */
-	if (!HDATA(instance)->dma_bounce_buffer) {
-	    HDATA(instance)->dma_bounce_len = 0;
-	    return 1;
-	}
-
-	/* get the physical address of the bounce buffer */
-	addr = virt_to_bus(HDATA(instance)->dma_bounce_buffer);
-
-	/* the bounce buffer may not be in the first 16M of physmem */
+	/* don't allow DMA if the physical address is bad */
 	if (addr & A2091_XFER_MASK) {
-	    /* we could use chipmem... maybe later */
-	    kfree (HDATA(instance)->dma_bounce_buffer);
-	    HDATA(instance)->dma_bounce_buffer = NULL;
-	    HDATA(instance)->dma_bounce_len = 0;
-	    return 1;
+		HDATA(instance)->dma_bounce_len =
+			(cmd->SCp.this_residual + 511) & ~0x1ff;
+		HDATA(instance)->dma_bounce_buffer =
+			kmalloc(HDATA(instance)->dma_bounce_len, GFP_KERNEL);
+
+		/* can't allocate memory; use PIO */
+		if (!HDATA(instance)->dma_bounce_buffer) {
+			HDATA(instance)->dma_bounce_len = 0;
+			return 1;
+		}
+
+		/* get the physical address of the bounce buffer */
+		addr = virt_to_bus(HDATA(instance)->dma_bounce_buffer);
+
+		/* the bounce buffer may not be in the first 16M of physmem */
+		if (addr & A2091_XFER_MASK) {
+			/* we could use chipmem... maybe later */
+			kfree(HDATA(instance)->dma_bounce_buffer);
+			HDATA(instance)->dma_bounce_buffer = NULL;
+			HDATA(instance)->dma_bounce_len = 0;
+			return 1;
+		}
+
+		if (!dir_in) {
+			/* copy to bounce buffer for a write */
+			memcpy(HDATA(instance)->dma_bounce_buffer,
+			       cmd->SCp.ptr, cmd->SCp.this_residual);
+		}
 	}
 
-	if (!dir_in) {
-		/* copy to bounce buffer for a write */
-		memcpy (HDATA(instance)->dma_bounce_buffer,
-			cmd->SCp.ptr, cmd->SCp.this_residual);
+	/* setup dma direction */
+	if (!dir_in)
+		cntr |= CNTR_DDIR;
+
+	/* remember direction */
+	HDATA(cmd->device->host)->dma_dir = dir_in;
+
+	DMA(cmd->device->host)->CNTR = cntr;
+
+	/* setup DMA *physical* address */
+	DMA(cmd->device->host)->ACR = addr;
+
+	if (dir_in) {
+		/* invalidate any cache */
+		cache_clear(addr, cmd->SCp.this_residual);
+	} else {
+		/* push any dirty cache */
+		cache_push(addr, cmd->SCp.this_residual);
 	}
-    }
+	/* start DMA */
+	DMA(cmd->device->host)->ST_DMA = 1;
 
-    /* setup dma direction */
-    if (!dir_in)
-	cntr |= CNTR_DDIR;
-
-    /* remember direction */
-    HDATA(cmd->device->host)->dma_dir = dir_in;
-
-    DMA(cmd->device->host)->CNTR = cntr;
-
-    /* setup DMA *physical* address */
-    DMA(cmd->device->host)->ACR = addr;
-
-    if (dir_in){
-	/* invalidate any cache */
-	cache_clear (addr, cmd->SCp.this_residual);
-    }else{
-	/* push any dirty cache */
-	cache_push (addr, cmd->SCp.this_residual);
-      }
-    /* start DMA */
-    DMA(cmd->device->host)->ST_DMA = 1;
-
-    /* return success */
-    return 0;
+	/* return success */
+	return 0;
 }
 
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
-		      int status)
+		     int status)
 {
-    /* disable SCSI interrupts */
-    unsigned short cntr = CNTR_PDMD;
+	/* disable SCSI interrupts */
+	unsigned short cntr = CNTR_PDMD;
 
-    if (!HDATA(instance)->dma_dir)
-	    cntr |= CNTR_DDIR;
+	if (!HDATA(instance)->dma_dir)
+		cntr |= CNTR_DDIR;
 
-    /* disable SCSI interrupts */
-    DMA(instance)->CNTR = cntr;
+	/* disable SCSI interrupts */
+	DMA(instance)->CNTR = cntr;
 
-    /* flush if we were reading */
-    if (HDATA(instance)->dma_dir) {
-	DMA(instance)->FLUSH = 1;
-	while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
-	    ;
-    }
+	/* flush if we were reading */
+	if (HDATA(instance)->dma_dir) {
+		DMA(instance)->FLUSH = 1;
+		while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
+			;
+	}
 
-    /* clear a possible interrupt */
-    DMA(instance)->CINT = 1;
+	/* clear a possible interrupt */
+	DMA(instance)->CINT = 1;
 
-    /* stop DMA */
-    DMA(instance)->SP_DMA = 1;
+	/* stop DMA */
+	DMA(instance)->SP_DMA = 1;
 
-    /* restore the CONTROL bits (minus the direction flag) */
-    DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+	/* restore the CONTROL bits (minus the direction flag) */
+	DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
 
-    /* copy from a bounce buffer, if necessary */
-    if (status && HDATA(instance)->dma_bounce_buffer) {
-	if( HDATA(instance)->dma_dir )
-		memcpy (SCpnt->SCp.ptr, 
-			HDATA(instance)->dma_bounce_buffer,
-			SCpnt->SCp.this_residual);
-	kfree (HDATA(instance)->dma_bounce_buffer);
-	HDATA(instance)->dma_bounce_buffer = NULL;
-	HDATA(instance)->dma_bounce_len = 0;
-    }
+	/* copy from a bounce buffer, if necessary */
+	if (status && HDATA(instance)->dma_bounce_buffer) {
+		if (HDATA(instance)->dma_dir)
+			memcpy(SCpnt->SCp.ptr,
+			       HDATA(instance)->dma_bounce_buffer,
+			       SCpnt->SCp.this_residual);
+		kfree(HDATA(instance)->dma_bounce_buffer);
+		HDATA(instance)->dma_bounce_buffer = NULL;
+		HDATA(instance)->dma_bounce_len = 0;
+	}
 }
 
 static int __init a2091_detect(struct scsi_host_template *tpnt)
 {
-    static unsigned char called = 0;
-    struct Scsi_Host *instance;
-    unsigned long address;
-    struct zorro_dev *z = NULL;
-    wd33c93_regs regs;
-    int num_a2091 = 0;
+	static unsigned char called = 0;
+	struct Scsi_Host *instance;
+	unsigned long address;
+	struct zorro_dev *z = NULL;
+	wd33c93_regs regs;
+	int num_a2091 = 0;
 
-    if (!MACH_IS_AMIGA || called)
-	return 0;
-    called = 1;
+	if (!MACH_IS_AMIGA || called)
+		return 0;
+	called = 1;
 
-    tpnt->proc_name = "A2091";
-    tpnt->proc_info = &wd33c93_proc_info;
+	tpnt->proc_name = "A2091";
+	tpnt->proc_info = &wd33c93_proc_info;
 
-    while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
-	if (z->id != ZORRO_PROD_CBM_A590_A2091_1 &&
-	    z->id != ZORRO_PROD_CBM_A590_A2091_2)
-	    continue;
-	address = z->resource.start;
-	if (!request_mem_region(address, 256, "wd33c93"))
-	    continue;
+	while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
+		if (z->id != ZORRO_PROD_CBM_A590_A2091_1 &&
+		    z->id != ZORRO_PROD_CBM_A590_A2091_2)
+			continue;
+		address = z->resource.start;
+		if (!request_mem_region(address, 256, "wd33c93"))
+			continue;
 
-	instance = scsi_register (tpnt, sizeof (struct WD33C93_hostdata));
-	if (instance == NULL)
-	    goto release;
-	instance->base = ZTWO_VADDR(address);
-	instance->irq = IRQ_AMIGA_PORTS;
-	instance->unique_id = z->slotaddr;
-	DMA(instance)->DAWR = DAWR_A2091;
-	regs.SASR = &(DMA(instance)->SASR);
-	regs.SCMD = &(DMA(instance)->SCMD);
-	HDATA(instance)->no_sync = 0xff;
-	HDATA(instance)->fast = 0;
-	HDATA(instance)->dma_mode = CTRL_DMA;
-	wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
-	if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED, "A2091 SCSI",
-			instance))
-	    goto unregister;
-	DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
-	num_a2091++;
-	continue;
+		instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+		if (instance == NULL)
+			goto release;
+		instance->base = ZTWO_VADDR(address);
+		instance->irq = IRQ_AMIGA_PORTS;
+		instance->unique_id = z->slotaddr;
+		DMA(instance)->DAWR = DAWR_A2091;
+		regs.SASR = &(DMA(instance)->SASR);
+		regs.SCMD = &(DMA(instance)->SCMD);
+		HDATA(instance)->no_sync = 0xff;
+		HDATA(instance)->fast = 0;
+		HDATA(instance)->dma_mode = CTRL_DMA;
+		wd33c93_init(instance, regs, dma_setup, dma_stop,
+			     WD33C93_FS_8_10);
+		if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
+				"A2091 SCSI", instance))
+			goto unregister;
+		DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+		num_a2091++;
+		continue;
 
 unregister:
-	scsi_unregister(instance);
+		scsi_unregister(instance);
 release:
-	release_mem_region(address, 256);
-    }
+		release_mem_region(address, 256);
+	}
 
-    return num_a2091;
+	return num_a2091;
 }
 
 static int a2091_bus_reset(struct scsi_cmnd *cmd)
diff --git a/drivers/scsi/a2091.h b/drivers/scsi/a2091.h
index 252528f2672..1c3daa1fd75 100644
--- a/drivers/scsi/a2091.h
+++ b/drivers/scsi/a2091.h
@@ -12,38 +12,38 @@
 #include <linux/types.h>
 
 #ifndef CMD_PER_LUN
-#define CMD_PER_LUN 2
+#define CMD_PER_LUN		2
 #endif
 
 #ifndef CAN_QUEUE
-#define CAN_QUEUE 16
+#define CAN_QUEUE		16
 #endif
 
 /*
  * if the transfer address ANDed with this results in a non-zero
  * result, then we can't use DMA.
  */
-#define A2091_XFER_MASK  (0xff000001)
+#define A2091_XFER_MASK		(0xff000001)
 
 typedef struct {
-             unsigned char      pad1[64];
-    volatile unsigned short     ISTR;
-    volatile unsigned short     CNTR;
-             unsigned char      pad2[60];
-    volatile unsigned int       WTC;
-    volatile unsigned long      ACR;
-             unsigned char      pad3[6];
-    volatile unsigned short     DAWR;
-             unsigned char      pad4;
-    volatile unsigned char      SASR;
-             unsigned char      pad5;
-    volatile unsigned char      SCMD;
-             unsigned char      pad6[76];
-    volatile unsigned short     ST_DMA;
-    volatile unsigned short     SP_DMA;
-    volatile unsigned short     CINT;
-             unsigned char      pad7[2];
-    volatile unsigned short     FLUSH;
+		 unsigned char	pad1[64];
+	volatile unsigned short	ISTR;
+	volatile unsigned short	CNTR;
+		 unsigned char	pad2[60];
+	volatile unsigned int	WTC;
+	volatile unsigned long	ACR;
+		 unsigned char	pad3[6];
+	volatile unsigned short	DAWR;
+		 unsigned char	pad4;
+	volatile unsigned char	SASR;
+		 unsigned char	pad5;
+	volatile unsigned char	SCMD;
+		 unsigned char	pad6[76];
+	volatile unsigned short	ST_DMA;
+	volatile unsigned short	SP_DMA;
+	volatile unsigned short	CINT;
+		 unsigned char	pad7[2];
+	volatile unsigned short	FLUSH;
 } a2091_scsiregs;
 
 #define DAWR_A2091		(3)

From bb17b7871bb10e0ecf39e3afbc182cab218d0539 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:33 +0200
Subject: [PATCH 0635/3638] [SCSI] gvp11: Reindentation

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/gvp11.c | 568 ++++++++++++++++++++++---------------------
 drivers/scsi/gvp11.h |  36 +--
 2 files changed, 304 insertions(+), 300 deletions(-)

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 322afcc99e2..bd5d90328ee 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -19,331 +19,335 @@
 #include "wd33c93.h"
 #include "gvp11.h"
 
-#include<linux/stat.h>
+#include <linux/stat.h>
 
-#define DMA(ptr) ((gvp11_scsiregs *)((ptr)->base))
-#define HDATA(ptr) ((struct WD33C93_hostdata *)((ptr)->hostdata))
 
-static irqreturn_t gvp11_intr (int irq, void *_instance)
+#define DMA(ptr)	((gvp11_scsiregs *)((ptr)->base))
+#define HDATA(ptr)	((struct WD33C93_hostdata *)((ptr)->hostdata))
+
+static irqreturn_t gvp11_intr(int irq, void *_instance)
 {
-    unsigned long flags;
-    unsigned int status;
-    struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
+	unsigned long flags;
+	unsigned int status;
+	struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
 
-    status = DMA(instance)->CNTR;
-    if (!(status & GVP11_DMAC_INT_PENDING))
-	return IRQ_NONE;
+	status = DMA(instance)->CNTR;
+	if (!(status & GVP11_DMAC_INT_PENDING))
+		return IRQ_NONE;
 
-    spin_lock_irqsave(instance->host_lock, flags);
-    wd33c93_intr(instance);
-    spin_unlock_irqrestore(instance->host_lock, flags);
-    return IRQ_HANDLED;
+	spin_lock_irqsave(instance->host_lock, flags);
+	wd33c93_intr(instance);
+	spin_unlock_irqrestore(instance->host_lock, flags);
+	return IRQ_HANDLED;
 }
 
 static int gvp11_xfer_mask = 0;
 
-void gvp11_setup (char *str, int *ints)
+void gvp11_setup(char *str, int *ints)
 {
-    gvp11_xfer_mask = ints[1];
+	gvp11_xfer_mask = ints[1];
 }
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
-    unsigned short cntr = GVP11_DMAC_INT_ENABLE;
-    unsigned long addr = virt_to_bus(cmd->SCp.ptr);
-    int bank_mask;
-    static int scsi_alloc_out_of_range = 0;
-
-    /* use bounce buffer if the physical address is bad */
-    if (addr & HDATA(cmd->device->host)->dma_xfer_mask)
-    {
-	HDATA(cmd->device->host)->dma_bounce_len = (cmd->SCp.this_residual + 511)
-	    & ~0x1ff;
-
- 	if( !scsi_alloc_out_of_range ) {
-	    HDATA(cmd->device->host)->dma_bounce_buffer =
-		kmalloc (HDATA(cmd->device->host)->dma_bounce_len, GFP_KERNEL);
-	    HDATA(cmd->device->host)->dma_buffer_pool = BUF_SCSI_ALLOCED;
-	}
-
-	if (scsi_alloc_out_of_range ||
-	    !HDATA(cmd->device->host)->dma_bounce_buffer) {
-	    HDATA(cmd->device->host)->dma_bounce_buffer =
-		amiga_chip_alloc(HDATA(cmd->device->host)->dma_bounce_len,
-				       "GVP II SCSI Bounce Buffer");
-
-	    if(!HDATA(cmd->device->host)->dma_bounce_buffer)
-	    {
-		HDATA(cmd->device->host)->dma_bounce_len = 0;
-		return 1;
-	    }
-
-	    HDATA(cmd->device->host)->dma_buffer_pool = BUF_CHIP_ALLOCED;
-	}
-
-	/* check if the address of the bounce buffer is OK */
-	addr = virt_to_bus(HDATA(cmd->device->host)->dma_bounce_buffer);
+	unsigned short cntr = GVP11_DMAC_INT_ENABLE;
+	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
+	int bank_mask;
+	static int scsi_alloc_out_of_range = 0;
 
+	/* use bounce buffer if the physical address is bad */
 	if (addr & HDATA(cmd->device->host)->dma_xfer_mask) {
-	    /* fall back to Chip RAM if address out of range */
-	    if( HDATA(cmd->device->host)->dma_buffer_pool == BUF_SCSI_ALLOCED) {
-		kfree (HDATA(cmd->device->host)->dma_bounce_buffer);
-		scsi_alloc_out_of_range = 1;
-	    } else {
-		amiga_chip_free (HDATA(cmd->device->host)->dma_bounce_buffer);
-            }
-		
-	    HDATA(cmd->device->host)->dma_bounce_buffer =
-		amiga_chip_alloc(HDATA(cmd->device->host)->dma_bounce_len,
-				       "GVP II SCSI Bounce Buffer");
+		HDATA(cmd->device->host)->dma_bounce_len =
+			(cmd->SCp.this_residual + 511) & ~0x1ff;
 
-	    if(!HDATA(cmd->device->host)->dma_bounce_buffer)
-	    {
-		HDATA(cmd->device->host)->dma_bounce_len = 0;
-		return 1;
-	    }
+		if (!scsi_alloc_out_of_range) {
+			HDATA(cmd->device->host)->dma_bounce_buffer =
+				kmalloc(HDATA(cmd->device->host)->dma_bounce_len,
+					GFP_KERNEL);
+			HDATA(cmd->device->host)->dma_buffer_pool =
+				BUF_SCSI_ALLOCED;
+		}
 
-	    addr = virt_to_bus(HDATA(cmd->device->host)->dma_bounce_buffer);
-	    HDATA(cmd->device->host)->dma_buffer_pool = BUF_CHIP_ALLOCED;
+		if (scsi_alloc_out_of_range ||
+		    !HDATA(cmd->device->host)->dma_bounce_buffer) {
+			HDATA(cmd->device->host)->dma_bounce_buffer =
+				amiga_chip_alloc(HDATA(cmd->device->host)->dma_bounce_len,
+						 "GVP II SCSI Bounce Buffer");
+
+			if (!HDATA(cmd->device->host)->dma_bounce_buffer) {
+				HDATA(cmd->device->host)->dma_bounce_len = 0;
+				return 1;
+			}
+
+			HDATA(cmd->device->host)->dma_buffer_pool =
+				BUF_CHIP_ALLOCED;
+		}
+
+		/* check if the address of the bounce buffer is OK */
+		addr = virt_to_bus(HDATA(cmd->device->host)->dma_bounce_buffer);
+
+		if (addr & HDATA(cmd->device->host)->dma_xfer_mask) {
+			/* fall back to Chip RAM if address out of range */
+			if (HDATA(cmd->device->host)->dma_buffer_pool ==
+			    BUF_SCSI_ALLOCED) {
+				kfree(HDATA(cmd->device->host)->dma_bounce_buffer);
+				scsi_alloc_out_of_range = 1;
+			} else {
+				amiga_chip_free(HDATA(cmd->device->host)->dma_bounce_buffer);
+			}
+
+			HDATA(cmd->device->host)->dma_bounce_buffer =
+				amiga_chip_alloc(HDATA(cmd->device->host)->dma_bounce_len,
+						 "GVP II SCSI Bounce Buffer");
+
+			if (!HDATA(cmd->device->host)->dma_bounce_buffer) {
+				HDATA(cmd->device->host)->dma_bounce_len = 0;
+				return 1;
+			}
+
+			addr = virt_to_bus(HDATA(cmd->device->host)->dma_bounce_buffer);
+			HDATA(cmd->device->host)->dma_buffer_pool =
+				BUF_CHIP_ALLOCED;
+		}
+
+		if (!dir_in) {
+			/* copy to bounce buffer for a write */
+			memcpy(HDATA(cmd->device->host)->dma_bounce_buffer,
+			       cmd->SCp.ptr, cmd->SCp.this_residual);
+		}
 	}
-	    
-	if (!dir_in) {
-	    /* copy to bounce buffer for a write */
-	    memcpy (HDATA(cmd->device->host)->dma_bounce_buffer,
-		    cmd->SCp.ptr, cmd->SCp.this_residual);
+
+	/* setup dma direction */
+	if (!dir_in)
+		cntr |= GVP11_DMAC_DIR_WRITE;
+
+	HDATA(cmd->device->host)->dma_dir = dir_in;
+	DMA(cmd->device->host)->CNTR = cntr;
+
+	/* setup DMA *physical* address */
+	DMA(cmd->device->host)->ACR = addr;
+
+	if (dir_in) {
+		/* invalidate any cache */
+		cache_clear(addr, cmd->SCp.this_residual);
+	} else {
+		/* push any dirty cache */
+		cache_push(addr, cmd->SCp.this_residual);
 	}
-    }
 
-    /* setup dma direction */
-    if (!dir_in)
-	cntr |= GVP11_DMAC_DIR_WRITE;
+	if ((bank_mask = (~HDATA(cmd->device->host)->dma_xfer_mask >> 18) & 0x01c0))
+		DMA(cmd->device->host)->BANK = bank_mask & (addr >> 18);
 
-    HDATA(cmd->device->host)->dma_dir = dir_in;
-    DMA(cmd->device->host)->CNTR = cntr;
+	/* start DMA */
+	DMA(cmd->device->host)->ST_DMA = 1;
 
-    /* setup DMA *physical* address */
-    DMA(cmd->device->host)->ACR = addr;
-
-    if (dir_in)
-	/* invalidate any cache */
-	cache_clear (addr, cmd->SCp.this_residual);
-    else
-	/* push any dirty cache */
-	cache_push (addr, cmd->SCp.this_residual);
-
-    if ((bank_mask = (~HDATA(cmd->device->host)->dma_xfer_mask >> 18) & 0x01c0))
-	    DMA(cmd->device->host)->BANK = bank_mask & (addr >> 18);
-
-    /* start DMA */
-    DMA(cmd->device->host)->ST_DMA = 1;
-
-    /* return success */
-    return 0;
+	/* return success */
+	return 0;
 }
 
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
-    /* stop DMA */
-    DMA(instance)->SP_DMA = 1;
-    /* remove write bit from CONTROL bits */
-    DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
+	/* stop DMA */
+	DMA(instance)->SP_DMA = 1;
+	/* remove write bit from CONTROL bits */
+	DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
 
-    /* copy from a bounce buffer, if necessary */
-    if (status && HDATA(instance)->dma_bounce_buffer) {
-	if (HDATA(instance)->dma_dir && SCpnt)
-	    memcpy (SCpnt->SCp.ptr, 
-		    HDATA(instance)->dma_bounce_buffer,
-		    SCpnt->SCp.this_residual);
-	
-	if (HDATA(instance)->dma_buffer_pool == BUF_SCSI_ALLOCED)
-	    kfree (HDATA(instance)->dma_bounce_buffer);
-	else
-	    amiga_chip_free(HDATA(instance)->dma_bounce_buffer);
-	
-	HDATA(instance)->dma_bounce_buffer = NULL;
-	HDATA(instance)->dma_bounce_len = 0;
-    }
+	/* copy from a bounce buffer, if necessary */
+	if (status && HDATA(instance)->dma_bounce_buffer) {
+		if (HDATA(instance)->dma_dir && SCpnt)
+			memcpy(SCpnt->SCp.ptr,
+			       HDATA(instance)->dma_bounce_buffer,
+			       SCpnt->SCp.this_residual);
+
+		if (HDATA(instance)->dma_buffer_pool == BUF_SCSI_ALLOCED)
+			kfree(HDATA(instance)->dma_bounce_buffer);
+		else
+			amiga_chip_free(HDATA(instance)->dma_bounce_buffer);
+
+		HDATA(instance)->dma_bounce_buffer = NULL;
+		HDATA(instance)->dma_bounce_len = 0;
+	}
 }
 
 #define CHECK_WD33C93
 
 int __init gvp11_detect(struct scsi_host_template *tpnt)
 {
-    static unsigned char called = 0;
-    struct Scsi_Host *instance;
-    unsigned long address;
-    unsigned int epc;
-    struct zorro_dev *z = NULL;
-    unsigned int default_dma_xfer_mask;
-    wd33c93_regs regs;
-    int num_gvp11 = 0;
+	static unsigned char called = 0;
+	struct Scsi_Host *instance;
+	unsigned long address;
+	unsigned int epc;
+	struct zorro_dev *z = NULL;
+	unsigned int default_dma_xfer_mask;
+	wd33c93_regs regs;
+	int num_gvp11 = 0;
 #ifdef CHECK_WD33C93
-    volatile unsigned char *sasr_3393, *scmd_3393;
-    unsigned char save_sasr;
-    unsigned char q, qq;
+	volatile unsigned char *sasr_3393, *scmd_3393;
+	unsigned char save_sasr;
+	unsigned char q, qq;
 #endif
 
-    if (!MACH_IS_AMIGA || called)
-	return 0;
-    called = 1;
+	if (!MACH_IS_AMIGA || called)
+		return 0;
+	called = 1;
 
-    tpnt->proc_name = "GVP11";
-    tpnt->proc_info = &wd33c93_proc_info;
+	tpnt->proc_name = "GVP11";
+	tpnt->proc_info = &wd33c93_proc_info;
 
-    while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
-	/* 
-	 * This should (hopefully) be the correct way to identify
-	 * all the different GVP SCSI controllers (except for the
-	 * SERIES I though).
-	 */
+	while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
+		/*
+		 * This should (hopefully) be the correct way to identify
+		 * all the different GVP SCSI controllers (except for the
+		 * SERIES I though).
+		 */
 
-	if (z->id == ZORRO_PROD_GVP_COMBO_030_R3_SCSI ||
-	    z->id == ZORRO_PROD_GVP_SERIES_II)
-	    default_dma_xfer_mask = ~0x00ffffff;
-	else if (z->id == ZORRO_PROD_GVP_GFORCE_030_SCSI ||
-		 z->id == ZORRO_PROD_GVP_A530_SCSI ||
-		 z->id == ZORRO_PROD_GVP_COMBO_030_R4_SCSI)
-	    default_dma_xfer_mask = ~0x01ffffff;
-	else if (z->id == ZORRO_PROD_GVP_A1291 ||
-		 z->id == ZORRO_PROD_GVP_GFORCE_040_SCSI_1)
-	    default_dma_xfer_mask = ~0x07ffffff;
-	else
-	    continue;
+		if (z->id == ZORRO_PROD_GVP_COMBO_030_R3_SCSI ||
+		    z->id == ZORRO_PROD_GVP_SERIES_II)
+			default_dma_xfer_mask = ~0x00ffffff;
+		else if (z->id == ZORRO_PROD_GVP_GFORCE_030_SCSI ||
+			 z->id == ZORRO_PROD_GVP_A530_SCSI ||
+			 z->id == ZORRO_PROD_GVP_COMBO_030_R4_SCSI)
+			default_dma_xfer_mask = ~0x01ffffff;
+		else if (z->id == ZORRO_PROD_GVP_A1291 ||
+			 z->id == ZORRO_PROD_GVP_GFORCE_040_SCSI_1)
+			default_dma_xfer_mask = ~0x07ffffff;
+		else
+			continue;
 
-	/*
-	 * Rumors state that some GVP ram boards use the same product
-	 * code as the SCSI controllers. Therefore if the board-size
-	 * is not 64KB we asume it is a ram board and bail out.
-	 */
-	if (z->resource.end-z->resource.start != 0xffff)
+		/*
+		 * Rumors state that some GVP ram boards use the same product
+		 * code as the SCSI controllers. Therefore if the board-size
+		 * is not 64KB we asume it is a ram board and bail out.
+		 */
+		if (z->resource.end - z->resource.start != 0xffff)
+			continue;
+
+		address = z->resource.start;
+		if (!request_mem_region(address, 256, "wd33c93"))
+			continue;
+
+#ifdef CHECK_WD33C93
+
+		/*
+		 * These darn GVP boards are a problem - it can be tough to tell
+		 * whether or not they include a SCSI controller. This is the
+		 * ultimate Yet-Another-GVP-Detection-Hack in that it actually
+		 * probes for a WD33c93 chip: If we find one, it's extremely
+		 * likely that this card supports SCSI, regardless of Product_
+		 * Code, Board_Size, etc.
+		 */
+
+		/* Get pointers to the presumed register locations and save contents */
+
+		sasr_3393 = &(((gvp11_scsiregs *)(ZTWO_VADDR(address)))->SASR);
+		scmd_3393 = &(((gvp11_scsiregs *)(ZTWO_VADDR(address)))->SCMD);
+		save_sasr = *sasr_3393;
+
+		/* First test the AuxStatus Reg */
+
+		q = *sasr_3393;	/* read it */
+		if (q & 0x08)	/* bit 3 should always be clear */
+			goto release;
+		*sasr_3393 = WD_AUXILIARY_STATUS;	/* setup indirect address */
+		if (*sasr_3393 == WD_AUXILIARY_STATUS) {	/* shouldn't retain the write */
+			*sasr_3393 = save_sasr;	/* Oops - restore this byte */
+			goto release;
+		}
+		if (*sasr_3393 != q) {	/* should still read the same */
+			*sasr_3393 = save_sasr;	/* Oops - restore this byte */
+			goto release;
+		}
+		if (*scmd_3393 != q)	/* and so should the image at 0x1f */
+			goto release;
+
+		/*
+		 * Ok, we probably have a wd33c93, but let's check a few other places
+		 * for good measure. Make sure that this works for both 'A and 'B
+		 * chip versions.
+		 */
+
+		*sasr_3393 = WD_SCSI_STATUS;
+		q = *scmd_3393;
+		*sasr_3393 = WD_SCSI_STATUS;
+		*scmd_3393 = ~q;
+		*sasr_3393 = WD_SCSI_STATUS;
+		qq = *scmd_3393;
+		*sasr_3393 = WD_SCSI_STATUS;
+		*scmd_3393 = q;
+		if (qq != q)	/* should be read only */
+			goto release;
+		*sasr_3393 = 0x1e;	/* this register is unimplemented */
+		q = *scmd_3393;
+		*sasr_3393 = 0x1e;
+		*scmd_3393 = ~q;
+		*sasr_3393 = 0x1e;
+		qq = *scmd_3393;
+		*sasr_3393 = 0x1e;
+		*scmd_3393 = q;
+		if (qq != q || qq != 0xff)	/* should be read only, all 1's */
+			goto release;
+		*sasr_3393 = WD_TIMEOUT_PERIOD;
+		q = *scmd_3393;
+		*sasr_3393 = WD_TIMEOUT_PERIOD;
+		*scmd_3393 = ~q;
+		*sasr_3393 = WD_TIMEOUT_PERIOD;
+		qq = *scmd_3393;
+		*sasr_3393 = WD_TIMEOUT_PERIOD;
+		*scmd_3393 = q;
+		if (qq != (~q & 0xff))	/* should be read/write */
+			goto release;
+#endif
+
+		instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+		if (instance == NULL)
+			goto release;
+		instance->base = ZTWO_VADDR(address);
+		instance->irq = IRQ_AMIGA_PORTS;
+		instance->unique_id = z->slotaddr;
+
+		if (gvp11_xfer_mask)
+			HDATA(instance)->dma_xfer_mask = gvp11_xfer_mask;
+		else
+			HDATA(instance)->dma_xfer_mask = default_dma_xfer_mask;
+
+		DMA(instance)->secret2 = 1;
+		DMA(instance)->secret1 = 0;
+		DMA(instance)->secret3 = 15;
+		while (DMA(instance)->CNTR & GVP11_DMAC_BUSY)
+			;
+		DMA(instance)->CNTR = 0;
+
+		DMA(instance)->BANK = 0;
+
+		epc = *(unsigned short *)(ZTWO_VADDR(address) + 0x8000);
+
+		/*
+		 * Check for 14MHz SCSI clock
+		 */
+		regs.SASR = &(DMA(instance)->SASR);
+		regs.SCMD = &(DMA(instance)->SCMD);
+		HDATA(instance)->no_sync = 0xff;
+		HDATA(instance)->fast = 0;
+		HDATA(instance)->dma_mode = CTRL_DMA;
+		wd33c93_init(instance, regs, dma_setup, dma_stop,
+			     (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
+						     : WD33C93_FS_12_15);
+
+		if (request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED,
+				"GVP11 SCSI", instance))
+			goto unregister;
+		DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
+		num_gvp11++;
 		continue;
 
-	address = z->resource.start;
-	if (!request_mem_region(address, 256, "wd33c93"))
-	    continue;
-
-#ifdef CHECK_WD33C93
-
-	/*
-	 * These darn GVP boards are a problem - it can be tough to tell
-	 * whether or not they include a SCSI controller. This is the
-	 * ultimate Yet-Another-GVP-Detection-Hack in that it actually
-	 * probes for a WD33c93 chip: If we find one, it's extremely
-	 * likely that this card supports SCSI, regardless of Product_
-	 * Code, Board_Size, etc. 
-	 */
-
-    /* Get pointers to the presumed register locations and save contents */
-
-	sasr_3393 = &(((gvp11_scsiregs *)(ZTWO_VADDR(address)))->SASR);
-	scmd_3393 = &(((gvp11_scsiregs *)(ZTWO_VADDR(address)))->SCMD);
-	save_sasr = *sasr_3393;
-
-    /* First test the AuxStatus Reg */
-
-	q = *sasr_3393;		/* read it */
-	if (q & 0x08)		/* bit 3 should always be clear */
-		goto release;
-	*sasr_3393 = WD_AUXILIARY_STATUS;	 /* setup indirect address */
-	if (*sasr_3393 == WD_AUXILIARY_STATUS) { /* shouldn't retain the write */
-		*sasr_3393 = save_sasr;	/* Oops - restore this byte */
-		goto release;
-		}
-	if (*sasr_3393 != q) {	/* should still read the same */
-		*sasr_3393 = save_sasr;	/* Oops - restore this byte */
-		goto release;
-		}
-	if (*scmd_3393 != q)	/* and so should the image at 0x1f */
-		goto release;
-
-
-    /* Ok, we probably have a wd33c93, but let's check a few other places
-     * for good measure. Make sure that this works for both 'A and 'B    
-     * chip versions.
-     */
-
-	*sasr_3393 = WD_SCSI_STATUS;
-	q = *scmd_3393;
-	*sasr_3393 = WD_SCSI_STATUS;
-	*scmd_3393 = ~q;
-	*sasr_3393 = WD_SCSI_STATUS;
-	qq = *scmd_3393;
-	*sasr_3393 = WD_SCSI_STATUS;
-	*scmd_3393 = q;
-	if (qq != q)			/* should be read only */
-		goto release;
-	*sasr_3393 = 0x1e;	/* this register is unimplemented */
-	q = *scmd_3393;
-	*sasr_3393 = 0x1e;
-	*scmd_3393 = ~q;
-	*sasr_3393 = 0x1e;
-	qq = *scmd_3393;
-	*sasr_3393 = 0x1e;
-	*scmd_3393 = q;
-	if (qq != q || qq != 0xff)	/* should be read only, all 1's */
-		goto release;
-	*sasr_3393 = WD_TIMEOUT_PERIOD;
-	q = *scmd_3393;
-	*sasr_3393 = WD_TIMEOUT_PERIOD;
-	*scmd_3393 = ~q;
-	*sasr_3393 = WD_TIMEOUT_PERIOD;
-	qq = *scmd_3393;
-	*sasr_3393 = WD_TIMEOUT_PERIOD;
-	*scmd_3393 = q;
-	if (qq != (~q & 0xff))		/* should be read/write */
-		goto release;
-#endif
-
-	instance = scsi_register (tpnt, sizeof (struct WD33C93_hostdata));
-	if(instance == NULL)
-		goto release;
-	instance->base = ZTWO_VADDR(address);
-	instance->irq = IRQ_AMIGA_PORTS;
-	instance->unique_id = z->slotaddr;
-
-	if (gvp11_xfer_mask)
-		HDATA(instance)->dma_xfer_mask = gvp11_xfer_mask;
-	else
-		HDATA(instance)->dma_xfer_mask = default_dma_xfer_mask;
-
-
-	DMA(instance)->secret2 = 1;
-	DMA(instance)->secret1 = 0;
-	DMA(instance)->secret3 = 15;
-	while (DMA(instance)->CNTR & GVP11_DMAC_BUSY) ;
-	DMA(instance)->CNTR = 0;
-
-	DMA(instance)->BANK = 0;
-
-	epc = *(unsigned short *)(ZTWO_VADDR(address) + 0x8000);
-
-	/*
-	 * Check for 14MHz SCSI clock
-	 */
-	regs.SASR = &(DMA(instance)->SASR);
-	regs.SCMD = &(DMA(instance)->SCMD);
-	HDATA(instance)->no_sync = 0xff;
-	HDATA(instance)->fast = 0;
-	HDATA(instance)->dma_mode = CTRL_DMA;
-	wd33c93_init(instance, regs, dma_setup, dma_stop,
-		     (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
-					     : WD33C93_FS_12_15);
-
-	if (request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED, "GVP11 SCSI",
-			instance))
-		goto unregister;
-	DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
-	num_gvp11++;
-	continue;
-
 unregister:
-	scsi_unregister(instance);
+		scsi_unregister(instance);
 release:
-	release_mem_region(address, 256);
-    }
+		release_mem_region(address, 256);
+	}
 
-    return num_gvp11;
+	return num_gvp11;
 }
 
 static int gvp11_bus_reset(struct scsi_cmnd *cmd)
@@ -388,11 +392,11 @@ static struct scsi_host_template driver_template = {
 int gvp11_release(struct Scsi_Host *instance)
 {
 #ifdef MODULE
-    DMA(instance)->CNTR = 0;
-    release_mem_region(ZTWO_PADDR(instance->base), 256);
-    free_irq(IRQ_AMIGA_PORTS, instance);
+	DMA(instance)->CNTR = 0;
+	release_mem_region(ZTWO_PADDR(instance->base), 256);
+	free_irq(IRQ_AMIGA_PORTS, instance);
 #endif
-    return 1;
+	return 1;
 }
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/gvp11.h b/drivers/scsi/gvp11.h
index bf22859a503..e2efdf9601e 100644
--- a/drivers/scsi/gvp11.h
+++ b/drivers/scsi/gvp11.h
@@ -15,11 +15,11 @@ int gvp11_detect(struct scsi_host_template *);
 int gvp11_release(struct Scsi_Host *);
 
 #ifndef CMD_PER_LUN
-#define CMD_PER_LUN 2
+#define CMD_PER_LUN		2
 #endif
 
 #ifndef CAN_QUEUE
-#define CAN_QUEUE 16
+#define CAN_QUEUE		16
 #endif
 
 #ifndef HOSTS_C
@@ -28,24 +28,24 @@ int gvp11_release(struct Scsi_Host *);
  * if the transfer address ANDed with this results in a non-zero
  * result, then we can't use DMA.
  */
-#define GVP11_XFER_MASK  (0xff000001)
+#define GVP11_XFER_MASK		(0xff000001)
 
 typedef struct {
-             unsigned char      pad1[64];
-    volatile unsigned short     CNTR;
-             unsigned char      pad2[31];
-    volatile unsigned char      SASR;
-             unsigned char      pad3;
-    volatile unsigned char      SCMD;
-             unsigned char      pad4[4];
-    volatile unsigned short     BANK;
-             unsigned char      pad5[6];
-    volatile unsigned long      ACR;
-    volatile unsigned short     secret1; /* store 0 here */
-    volatile unsigned short     ST_DMA;
-    volatile unsigned short     SP_DMA;
-    volatile unsigned short     secret2; /* store 1 here */
-    volatile unsigned short     secret3; /* store 15 here */
+		 unsigned char	pad1[64];
+	volatile unsigned short	CNTR;
+		 unsigned char	pad2[31];
+	volatile unsigned char	SASR;
+		 unsigned char	pad3;
+	volatile unsigned char	SCMD;
+		 unsigned char	pad4[4];
+	volatile unsigned short	BANK;
+		 unsigned char	pad5[6];
+	volatile unsigned long	ACR;
+	volatile unsigned short	secret1; /* store 0 here */
+	volatile unsigned short	ST_DMA;
+	volatile unsigned short	SP_DMA;
+	volatile unsigned short	secret2; /* store 1 here */
+	volatile unsigned short	secret3; /* store 15 here */
 } gvp11_scsiregs;
 
 /* bits in CNTR */

From be4540db062975ce557daf0119153fb17ecd6693 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:34 +0200
Subject: [PATCH 0636/3638] [SCSI] mvme147: Reindentation

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mvme147.c | 146 +++++++++++++++++++++--------------------
 drivers/scsi/mvme147.h |   4 +-
 2 files changed, 77 insertions(+), 73 deletions(-)

diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index a423fcc7c11..b236d72850d 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -13,111 +13,115 @@
 #include "wd33c93.h"
 #include "mvme147.h"
 
-#include<linux/stat.h>
+#include <linux/stat.h>
 
-#define HDATA(ptr) ((struct WD33C93_hostdata *)((ptr)->hostdata))
+
+#define HDATA(ptr)	((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static struct Scsi_Host *mvme147_host = NULL;
 
-static irqreturn_t mvme147_intr (int irq, void *dummy)
+static irqreturn_t mvme147_intr(int irq, void *dummy)
 {
-    if (irq == MVME147_IRQ_SCSI_PORT)
-	wd33c93_intr (mvme147_host);
-    else
-	m147_pcc->dma_intr = 0x89;	/* Ack and enable ints */
-    return IRQ_HANDLED;
+	if (irq == MVME147_IRQ_SCSI_PORT)
+		wd33c93_intr(mvme147_host);
+	else
+		m147_pcc->dma_intr = 0x89;	/* Ack and enable ints */
+	return IRQ_HANDLED;
 }
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
-    unsigned char flags = 0x01;
-    unsigned long addr = virt_to_bus(cmd->SCp.ptr);
+	unsigned char flags = 0x01;
+	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
-    /* setup dma direction */
-    if (!dir_in)
-	flags |= 0x04;
+	/* setup dma direction */
+	if (!dir_in)
+		flags |= 0x04;
 
-    /* remember direction */
-    HDATA(mvme147_host)->dma_dir = dir_in;
+	/* remember direction */
+	HDATA(mvme147_host)->dma_dir = dir_in;
 
-    if (dir_in)
-  	/* invalidate any cache */
-	cache_clear (addr, cmd->SCp.this_residual);
-    else
-	/* push any dirty cache */
-	cache_push (addr, cmd->SCp.this_residual);
+	if (dir_in) {
+		/* invalidate any cache */
+		cache_clear(addr, cmd->SCp.this_residual);
+	} else {
+		/* push any dirty cache */
+		cache_push(addr, cmd->SCp.this_residual);
+	}
 
-    /* start DMA */
-    m147_pcc->dma_bcr   = cmd->SCp.this_residual | (1<<24);
-    m147_pcc->dma_dadr  = addr;
-    m147_pcc->dma_cntrl = flags;
+	/* start DMA */
+	m147_pcc->dma_bcr = cmd->SCp.this_residual | (1 << 24);
+	m147_pcc->dma_dadr = addr;
+	m147_pcc->dma_cntrl = flags;
 
-    /* return success */
-    return 0;
+	/* return success */
+	return 0;
 }
 
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
-		      int status)
+		     int status)
 {
-    m147_pcc->dma_cntrl = 0;
+	m147_pcc->dma_cntrl = 0;
 }
 
 int mvme147_detect(struct scsi_host_template *tpnt)
 {
-    static unsigned char called = 0;
-    wd33c93_regs regs;
+	static unsigned char called = 0;
+	wd33c93_regs regs;
 
-    if (!MACH_IS_MVME147 || called)
-	return 0;
-    called++;
+	if (!MACH_IS_MVME147 || called)
+		return 0;
+	called++;
 
-    tpnt->proc_name = "MVME147";
-    tpnt->proc_info = &wd33c93_proc_info;
+	tpnt->proc_name = "MVME147";
+	tpnt->proc_info = &wd33c93_proc_info;
 
-    mvme147_host = scsi_register (tpnt, sizeof(struct WD33C93_hostdata));
-    if (!mvme147_host)
-	    goto err_out;
+	mvme147_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+	if (!mvme147_host)
+		goto err_out;
 
-    mvme147_host->base = 0xfffe4000;
-    mvme147_host->irq = MVME147_IRQ_SCSI_PORT;
-    regs.SASR = (volatile unsigned char *)0xfffe4000;
-    regs.SCMD = (volatile unsigned char *)0xfffe4001;
-    HDATA(mvme147_host)->no_sync = 0xff;
-    HDATA(mvme147_host)->fast = 0;
-    HDATA(mvme147_host)->dma_mode = CTRL_DMA;
-    wd33c93_init(mvme147_host, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
+	mvme147_host->base = 0xfffe4000;
+	mvme147_host->irq = MVME147_IRQ_SCSI_PORT;
+	regs.SASR = (volatile unsigned char *)0xfffe4000;
+	regs.SCMD = (volatile unsigned char *)0xfffe4001;
+	HDATA(mvme147_host)->no_sync = 0xff;
+	HDATA(mvme147_host)->fast = 0;
+	HDATA(mvme147_host)->dma_mode = CTRL_DMA;
+	wd33c93_init(mvme147_host, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
 
-    if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0, "MVME147 SCSI PORT", mvme147_intr))
-	    goto err_unregister;
-    if (request_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr, 0, "MVME147 SCSI DMA", mvme147_intr))
-	    goto err_free_irq;
+	if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0,
+			"MVME147 SCSI PORT", mvme147_intr))
+		goto err_unregister;
+	if (request_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr, 0,
+			"MVME147 SCSI DMA", mvme147_intr))
+		goto err_free_irq;
 #if 0	/* Disabled; causes problems booting */
-    m147_pcc->scsi_interrupt = 0x10;	/* Assert SCSI bus reset */
-    udelay(100);
-    m147_pcc->scsi_interrupt = 0x00;	/* Negate SCSI bus reset */
-    udelay(2000);
-    m147_pcc->scsi_interrupt = 0x40;	/* Clear bus reset interrupt */
+	m147_pcc->scsi_interrupt = 0x10;	/* Assert SCSI bus reset */
+	udelay(100);
+	m147_pcc->scsi_interrupt = 0x00;	/* Negate SCSI bus reset */
+	udelay(2000);
+	m147_pcc->scsi_interrupt = 0x40;	/* Clear bus reset interrupt */
 #endif
-    m147_pcc->scsi_interrupt = 0x09;	/* Enable interrupt */
+	m147_pcc->scsi_interrupt = 0x09;	/* Enable interrupt */
 
-    m147_pcc->dma_cntrl = 0x00;		/* ensure DMA is stopped */
-    m147_pcc->dma_intr = 0x89;		/* Ack and enable ints */
+	m147_pcc->dma_cntrl = 0x00;	/* ensure DMA is stopped */
+	m147_pcc->dma_intr = 0x89;	/* Ack and enable ints */
 
-    return 1;
+	return 1;
 
- err_free_irq:
-    free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
- err_unregister:
-    scsi_unregister(mvme147_host);
- err_out:
-    return 0;
+err_free_irq:
+	free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
+err_unregister:
+	scsi_unregister(mvme147_host);
+err_out:
+	return 0;
 }
 
 static int mvme147_bus_reset(struct scsi_cmnd *cmd)
 {
 	/* FIXME perform bus-specific reset */
 
-	/* FIXME 2: kill this function, and let midlayer fallback to 
+	/* FIXME 2: kill this function, and let midlayer fallback to
 	   the same result, calling wd33c93_host_reset() */
 
 	spin_lock_irq(cmd->device->host->host_lock);
@@ -153,9 +157,9 @@ static struct scsi_host_template driver_template = {
 int mvme147_release(struct Scsi_Host *instance)
 {
 #ifdef MODULE
-    /* XXX Make sure DMA is stopped! */
-    free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
-    free_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr);
+	/* XXX Make sure DMA is stopped! */
+	free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
+	free_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr);
 #endif
-    return 1;
+	return 1;
 }
diff --git a/drivers/scsi/mvme147.h b/drivers/scsi/mvme147.h
index 32aee85434d..bfd4566ef05 100644
--- a/drivers/scsi/mvme147.h
+++ b/drivers/scsi/mvme147.h
@@ -14,11 +14,11 @@ int mvme147_detect(struct scsi_host_template *);
 int mvme147_release(struct Scsi_Host *);
 
 #ifndef CMD_PER_LUN
-#define CMD_PER_LUN 2
+#define CMD_PER_LUN		2
 #endif
 
 #ifndef CAN_QUEUE
-#define CAN_QUEUE 16
+#define CAN_QUEUE		16
 #endif
 
 #endif /* MVME147_H */

From 21351013402ab4556d1ef62aed6cbe8dfb809f77 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:35 +0200
Subject: [PATCH 0637/3638] [SCSI] a3000: Reindentation

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/a3000.c | 268 +++++++++++++++++++++----------------------
 drivers/scsi/a3000.h |  46 ++++----
 2 files changed, 157 insertions(+), 157 deletions(-)

diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index 291568442aa..31434f7c368 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -19,26 +19,26 @@
 #include "wd33c93.h"
 #include "a3000.h"
 
-#include<linux/stat.h>
+#include <linux/stat.h>
 
-#define DMA(ptr) ((a3000_scsiregs *)((ptr)->base))
-#define HDATA(ptr) ((struct WD33C93_hostdata *)((ptr)->hostdata))
+
+#define DMA(ptr)	((a3000_scsiregs *)((ptr)->base))
+#define HDATA(ptr)	((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static struct Scsi_Host *a3000_host = NULL;
 
 static int a3000_release(struct Scsi_Host *instance);
 
-static irqreturn_t a3000_intr (int irq, void *dummy)
+static irqreturn_t a3000_intr(int irq, void *dummy)
 {
 	unsigned long flags;
 	unsigned int status = DMA(a3000_host)->ISTR;
 
 	if (!(status & ISTR_INT_P))
 		return IRQ_NONE;
-	if (status & ISTR_INTS)
-	{
+	if (status & ISTR_INTS) {
 		spin_lock_irqsave(a3000_host->host_lock, flags);
-		wd33c93_intr (a3000_host);
+		wd33c93_intr(a3000_host);
 		spin_unlock_irqrestore(a3000_host->host_lock, flags);
 		return IRQ_HANDLED;
 	}
@@ -48,161 +48,161 @@ static irqreturn_t a3000_intr (int irq, void *dummy)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
-    unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
-    unsigned long addr = virt_to_bus(cmd->SCp.ptr);
+	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
+	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
-    /*
-     * if the physical address has the wrong alignment, or if
-     * physical address is bad, or if it is a write and at the
-     * end of a physical memory chunk, then allocate a bounce
-     * buffer
-     */
-    if (addr & A3000_XFER_MASK)
-    {
-	HDATA(a3000_host)->dma_bounce_len = (cmd->SCp.this_residual + 511)
-	    & ~0x1ff;
-	HDATA(a3000_host)->dma_bounce_buffer =
-	    kmalloc (HDATA(a3000_host)->dma_bounce_len, GFP_KERNEL);
-	
-	/* can't allocate memory; use PIO */
-	if (!HDATA(a3000_host)->dma_bounce_buffer) {
-	    HDATA(a3000_host)->dma_bounce_len = 0;
-	    return 1;
+	/*
+	 * if the physical address has the wrong alignment, or if
+	 * physical address is bad, or if it is a write and at the
+	 * end of a physical memory chunk, then allocate a bounce
+	 * buffer
+	 */
+	if (addr & A3000_XFER_MASK) {
+		HDATA(a3000_host)->dma_bounce_len =
+			(cmd->SCp.this_residual + 511) & ~0x1ff;
+		HDATA(a3000_host)->dma_bounce_buffer =
+			kmalloc(HDATA(a3000_host)->dma_bounce_len, GFP_KERNEL);
+
+		/* can't allocate memory; use PIO */
+		if (!HDATA(a3000_host)->dma_bounce_buffer) {
+			HDATA(a3000_host)->dma_bounce_len = 0;
+			return 1;
+		}
+
+		if (!dir_in) {
+			/* copy to bounce buffer for a write */
+			memcpy(HDATA(a3000_host)->dma_bounce_buffer,
+			       cmd->SCp.ptr, cmd->SCp.this_residual);
+		}
+
+		addr = virt_to_bus(HDATA(a3000_host)->dma_bounce_buffer);
 	}
 
-	if (!dir_in) {
-	    /* copy to bounce buffer for a write */
-	    memcpy (HDATA(a3000_host)->dma_bounce_buffer,
-		cmd->SCp.ptr, cmd->SCp.this_residual);
+	/* setup dma direction */
+	if (!dir_in)
+		cntr |= CNTR_DDIR;
+
+	/* remember direction */
+	HDATA(a3000_host)->dma_dir = dir_in;
+
+	DMA(a3000_host)->CNTR = cntr;
+
+	/* setup DMA *physical* address */
+	DMA(a3000_host)->ACR = addr;
+
+	if (dir_in) {
+		/* invalidate any cache */
+		cache_clear(addr, cmd->SCp.this_residual);
+	} else {
+		/* push any dirty cache */
+		cache_push(addr, cmd->SCp.this_residual);
 	}
 
-	addr = virt_to_bus(HDATA(a3000_host)->dma_bounce_buffer);
-    }
+	/* start DMA */
+	mb();			/* make sure setup is completed */
+	DMA(a3000_host)->ST_DMA = 1;
+	mb();			/* make sure DMA has started before next IO */
 
-    /* setup dma direction */
-    if (!dir_in)
-	cntr |= CNTR_DDIR;
-
-    /* remember direction */
-    HDATA(a3000_host)->dma_dir = dir_in;
-
-    DMA(a3000_host)->CNTR = cntr;
-
-    /* setup DMA *physical* address */
-    DMA(a3000_host)->ACR = addr;
-
-    if (dir_in)
-  	/* invalidate any cache */
-	cache_clear (addr, cmd->SCp.this_residual);
-    else
-	/* push any dirty cache */
-	cache_push (addr, cmd->SCp.this_residual);
-
-    /* start DMA */
-    mb();			/* make sure setup is completed */
-    DMA(a3000_host)->ST_DMA = 1;
-    mb();			/* make sure DMA has started before next IO */
-
-    /* return success */
-    return 0;
+	/* return success */
+	return 0;
 }
 
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
-    /* disable SCSI interrupts */
-    unsigned short cntr = CNTR_PDMD;
+	/* disable SCSI interrupts */
+	unsigned short cntr = CNTR_PDMD;
 
-    if (!HDATA(instance)->dma_dir)
-	cntr |= CNTR_DDIR;
+	if (!HDATA(instance)->dma_dir)
+		cntr |= CNTR_DDIR;
 
-    DMA(instance)->CNTR = cntr;
-    mb();			/* make sure CNTR is updated before next IO */
+	DMA(instance)->CNTR = cntr;
+	mb();			/* make sure CNTR is updated before next IO */
 
-    /* flush if we were reading */
-    if (HDATA(instance)->dma_dir) {
-	DMA(instance)->FLUSH = 1;
-	mb();			/* don't allow prefetch */
-	while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
-	    barrier();
-	mb();			/* no IO until FLUSH is done */
-    }
-
-    /* clear a possible interrupt */
-    /* I think that this CINT is only necessary if you are
-     * using the terminal count features.   HM 7 Mar 1994
-     */
-    DMA(instance)->CINT = 1;
-
-    /* stop DMA */
-    DMA(instance)->SP_DMA = 1;
-    mb();			/* make sure DMA is stopped before next IO */
-
-    /* restore the CONTROL bits (minus the direction flag) */
-    DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
-    mb();			/* make sure CNTR is updated before next IO */
-
-    /* copy from a bounce buffer, if necessary */
-    if (status && HDATA(instance)->dma_bounce_buffer) {
-	if (SCpnt) {
-	    if (HDATA(instance)->dma_dir && SCpnt)
-		memcpy (SCpnt->SCp.ptr,
-			HDATA(instance)->dma_bounce_buffer,
-			SCpnt->SCp.this_residual);
-	    kfree (HDATA(instance)->dma_bounce_buffer);
-	    HDATA(instance)->dma_bounce_buffer = NULL;
-	    HDATA(instance)->dma_bounce_len = 0;
-	} else {
-	    kfree (HDATA(instance)->dma_bounce_buffer);
-	    HDATA(instance)->dma_bounce_buffer = NULL;
-	    HDATA(instance)->dma_bounce_len = 0;
+	/* flush if we were reading */
+	if (HDATA(instance)->dma_dir) {
+		DMA(instance)->FLUSH = 1;
+		mb();		/* don't allow prefetch */
+		while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
+			barrier();
+		mb();		/* no IO until FLUSH is done */
+	}
+
+	/* clear a possible interrupt */
+	/* I think that this CINT is only necessary if you are
+	 * using the terminal count features.   HM 7 Mar 1994
+	 */
+	DMA(instance)->CINT = 1;
+
+	/* stop DMA */
+	DMA(instance)->SP_DMA = 1;
+	mb();			/* make sure DMA is stopped before next IO */
+
+	/* restore the CONTROL bits (minus the direction flag) */
+	DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+	mb();			/* make sure CNTR is updated before next IO */
+
+	/* copy from a bounce buffer, if necessary */
+	if (status && HDATA(instance)->dma_bounce_buffer) {
+		if (SCpnt) {
+			if (HDATA(instance)->dma_dir && SCpnt)
+				memcpy(SCpnt->SCp.ptr,
+				       HDATA(instance)->dma_bounce_buffer,
+				       SCpnt->SCp.this_residual);
+			kfree(HDATA(instance)->dma_bounce_buffer);
+			HDATA(instance)->dma_bounce_buffer = NULL;
+			HDATA(instance)->dma_bounce_len = 0;
+		} else {
+			kfree(HDATA(instance)->dma_bounce_buffer);
+			HDATA(instance)->dma_bounce_buffer = NULL;
+			HDATA(instance)->dma_bounce_len = 0;
+		}
 	}
-    }
 }
 
 static int __init a3000_detect(struct scsi_host_template *tpnt)
 {
-    wd33c93_regs regs;
+	wd33c93_regs regs;
 
-    if  (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
-	return 0;
-    if (!request_mem_region(0xDD0000, 256, "wd33c93"))
-	return 0;
+	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
+		return 0;
+	if (!request_mem_region(0xDD0000, 256, "wd33c93"))
+		return 0;
 
-    tpnt->proc_name = "A3000";
-    tpnt->proc_info = &wd33c93_proc_info;
+	tpnt->proc_name = "A3000";
+	tpnt->proc_info = &wd33c93_proc_info;
 
-    a3000_host = scsi_register (tpnt, sizeof(struct WD33C93_hostdata));
-    if (a3000_host == NULL)
-	goto fail_register;
+	a3000_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+	if (a3000_host == NULL)
+		goto fail_register;
 
-    a3000_host->base = ZTWO_VADDR(0xDD0000);
-    a3000_host->irq = IRQ_AMIGA_PORTS;
-    DMA(a3000_host)->DAWR = DAWR_A3000;
-    regs.SASR = &(DMA(a3000_host)->SASR);
-    regs.SCMD = &(DMA(a3000_host)->SCMD);
-    HDATA(a3000_host)->no_sync = 0xff;
-    HDATA(a3000_host)->fast = 0;
-    HDATA(a3000_host)->dma_mode = CTRL_DMA;
-    wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
-    if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
-		    a3000_intr))
-        goto fail_irq;
-    DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
+	a3000_host->base = ZTWO_VADDR(0xDD0000);
+	a3000_host->irq = IRQ_AMIGA_PORTS;
+	DMA(a3000_host)->DAWR = DAWR_A3000;
+	regs.SASR = &(DMA(a3000_host)->SASR);
+	regs.SCMD = &(DMA(a3000_host)->SCMD);
+	HDATA(a3000_host)->no_sync = 0xff;
+	HDATA(a3000_host)->fast = 0;
+	HDATA(a3000_host)->dma_mode = CTRL_DMA;
+	wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
+	if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
+			a3000_intr))
+		goto fail_irq;
+	DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
 
-    return 1;
+	return 1;
 
 fail_irq:
-    scsi_unregister(a3000_host);
+	scsi_unregister(a3000_host);
 fail_register:
-    release_mem_region(0xDD0000, 256);
-    return 0;
+	release_mem_region(0xDD0000, 256);
+	return 0;
 }
 
 static int a3000_bus_reset(struct scsi_cmnd *cmd)
 {
 	/* FIXME perform bus-specific reset */
-	
+
 	/* FIXME 2: kill this entire function, which should
 	   cause mid-layer to call wd33c93_host_reset anyway? */
 
@@ -236,10 +236,10 @@ static struct scsi_host_template driver_template = {
 
 static int a3000_release(struct Scsi_Host *instance)
 {
-    DMA(instance)->CNTR = 0;
-    release_mem_region(0xDD0000, 256);
-    free_irq(IRQ_AMIGA_PORTS, a3000_intr);
-    return 1;
+	DMA(instance)->CNTR = 0;
+	release_mem_region(0xDD0000, 256);
+	free_irq(IRQ_AMIGA_PORTS, a3000_intr);
+	return 1;
 }
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/a3000.h b/drivers/scsi/a3000.h
index c7afe16fd6e..684813ee378 100644
--- a/drivers/scsi/a3000.h
+++ b/drivers/scsi/a3000.h
@@ -12,40 +12,40 @@
 #include <linux/types.h>
 
 #ifndef CMD_PER_LUN
-#define CMD_PER_LUN 2
+#define CMD_PER_LUN		2
 #endif
 
 #ifndef CAN_QUEUE
-#define CAN_QUEUE 16
+#define CAN_QUEUE		16
 #endif
 
 /*
  * if the transfer address ANDed with this results in a non-zero
  * result, then we can't use DMA.
  */
-#define A3000_XFER_MASK  (0x00000003)
+#define A3000_XFER_MASK		(0x00000003)
 
 typedef struct {
-             unsigned char      pad1[2];
-    volatile unsigned short     DAWR;
-    volatile unsigned int       WTC;
-             unsigned char      pad2[2];
-    volatile unsigned short     CNTR;
-    volatile unsigned long      ACR;
-             unsigned char      pad3[2];
-    volatile unsigned short     ST_DMA;
-             unsigned char      pad4[2];
-    volatile unsigned short     FLUSH;
-             unsigned char      pad5[2];
-    volatile unsigned short     CINT;
-             unsigned char      pad6[2];
-    volatile unsigned short     ISTR;
-	     unsigned char      pad7[30];
-    volatile unsigned short     SP_DMA;
-             unsigned char      pad8;
-    volatile unsigned char      SASR;
-             unsigned char      pad9;
-    volatile unsigned char      SCMD;
+		 unsigned char	pad1[2];
+	volatile unsigned short	DAWR;
+	volatile unsigned int	WTC;
+		 unsigned char	pad2[2];
+	volatile unsigned short	CNTR;
+	volatile unsigned long	ACR;
+		 unsigned char	pad3[2];
+	volatile unsigned short	ST_DMA;
+		 unsigned char	pad4[2];
+	volatile unsigned short	FLUSH;
+		 unsigned char	pad5[2];
+	volatile unsigned short	CINT;
+		 unsigned char	pad6[2];
+	volatile unsigned short	ISTR;
+		 unsigned char	pad7[30];
+	volatile unsigned short	SP_DMA;
+		 unsigned char	pad8;
+	volatile unsigned char	SASR;
+		 unsigned char	pad9;
+	volatile unsigned char	SCMD;
 } a3000_scsiregs;
 
 #define DAWR_A3000		(3)

From b1458fb57de03b19296cac70e9455b05912782b5 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <cbouatmailru@gmail.com>
Date: Sun, 2 May 2010 23:50:38 +0400
Subject: [PATCH 0638/3638] wm97xx_battery: Quieten sparse warning
 (bat_set_pdata not declared)

This patch fixes following sparse warning:

drivers/power/wm97xx_battery.c:311:6: warning: symbol 'wm97xx_bat_set_pdata' was not declared. Should it be static?

Note that we can't just include linux/wm97xx_batt.h because the header
is deprecated, and so this pops up:

In file included from drivers/power/wm97xx_battery.c:22:
include/linux/wm97xx_batt.h:6: warning: #warning This file will be removed soon, use wm97xx.h instead!

Since wm97xx_bat_set_pdata() is also deprecated (in favour of pdata
passed via AC97 bus), just workaround the issue by declaring the
function in wm97xx_battery.c.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/wm97xx_battery.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
index 94c70650aaf..4e8afce0c81 100644
--- a/drivers/power/wm97xx_battery.c
+++ b/drivers/power/wm97xx_battery.c
@@ -308,6 +308,9 @@ static void __exit wm97xx_bat_exit(void)
 	platform_driver_unregister(&wm97xx_bat_driver);
 }
 
+/* The interface is deprecated, as well as linux/wm97xx_batt.h */
+void wm97xx_bat_set_pdata(struct wm97xx_batt_info *data);
+
 void wm97xx_bat_set_pdata(struct wm97xx_batt_info *data)
 {
 	gpdata = data;

From 6d1d5d43e5911bfdb7ec47cc3d1438dbbf2a9de2 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:36 +0200
Subject: [PATCH 0639/3638] [SCSI] a2091: Use shost_priv() and kill ugly
 HDATA() macro

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/a2091.c | 56 +++++++++++++++++++++++---------------------
 1 file changed, 29 insertions(+), 27 deletions(-)

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 8469c239f9f..95584059863 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -23,7 +23,6 @@
 
 
 #define DMA(ptr)	((a2091_scsiregs *)((ptr)->base))
-#define HDATA(ptr)	((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static int a2091_release(struct Scsi_Host *instance);
 
@@ -45,39 +44,39 @@ static irqreturn_t a2091_intr(int irq, void *_instance)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
+	struct Scsi_Host *instance = cmd->device->host;
+	struct WD33C93_hostdata *hdata = shost_priv(instance);
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
-	struct Scsi_Host *instance = cmd->device->host;
 
 	/* don't allow DMA if the physical address is bad */
 	if (addr & A2091_XFER_MASK) {
-		HDATA(instance)->dma_bounce_len =
-			(cmd->SCp.this_residual + 511) & ~0x1ff;
-		HDATA(instance)->dma_bounce_buffer =
-			kmalloc(HDATA(instance)->dma_bounce_len, GFP_KERNEL);
+		hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
+		hdata->dma_bounce_buffer = kmalloc(hdata->dma_bounce_len,
+						   GFP_KERNEL);
 
 		/* can't allocate memory; use PIO */
-		if (!HDATA(instance)->dma_bounce_buffer) {
-			HDATA(instance)->dma_bounce_len = 0;
+		if (!hdata->dma_bounce_buffer) {
+			hdata->dma_bounce_len = 0;
 			return 1;
 		}
 
 		/* get the physical address of the bounce buffer */
-		addr = virt_to_bus(HDATA(instance)->dma_bounce_buffer);
+		addr = virt_to_bus(hdata->dma_bounce_buffer);
 
 		/* the bounce buffer may not be in the first 16M of physmem */
 		if (addr & A2091_XFER_MASK) {
 			/* we could use chipmem... maybe later */
-			kfree(HDATA(instance)->dma_bounce_buffer);
-			HDATA(instance)->dma_bounce_buffer = NULL;
-			HDATA(instance)->dma_bounce_len = 0;
+			kfree(hdata->dma_bounce_buffer);
+			hdata->dma_bounce_buffer = NULL;
+			hdata->dma_bounce_len = 0;
 			return 1;
 		}
 
 		if (!dir_in) {
 			/* copy to bounce buffer for a write */
-			memcpy(HDATA(instance)->dma_bounce_buffer,
-			       cmd->SCp.ptr, cmd->SCp.this_residual);
+			memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+			       cmd->SCp.this_residual);
 		}
 	}
 
@@ -86,7 +85,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		cntr |= CNTR_DDIR;
 
 	/* remember direction */
-	HDATA(cmd->device->host)->dma_dir = dir_in;
+	hdata->dma_dir = dir_in;
 
 	DMA(cmd->device->host)->CNTR = cntr;
 
@@ -110,17 +109,19 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
+	struct WD33C93_hostdata *hdata = shost_priv(instance);
+
 	/* disable SCSI interrupts */
 	unsigned short cntr = CNTR_PDMD;
 
-	if (!HDATA(instance)->dma_dir)
+	if (!hdata->dma_dir)
 		cntr |= CNTR_DDIR;
 
 	/* disable SCSI interrupts */
 	DMA(instance)->CNTR = cntr;
 
 	/* flush if we were reading */
-	if (HDATA(instance)->dma_dir) {
+	if (hdata->dma_dir) {
 		DMA(instance)->FLUSH = 1;
 		while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
 			;
@@ -136,14 +137,13 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
 
 	/* copy from a bounce buffer, if necessary */
-	if (status && HDATA(instance)->dma_bounce_buffer) {
-		if (HDATA(instance)->dma_dir)
-			memcpy(SCpnt->SCp.ptr,
-			       HDATA(instance)->dma_bounce_buffer,
+	if (status && hdata->dma_bounce_buffer) {
+		if (hdata->dma_dir)
+			memcpy(SCpnt->SCp.ptr, hdata->dma_bounce_buffer,
 			       SCpnt->SCp.this_residual);
-		kfree(HDATA(instance)->dma_bounce_buffer);
-		HDATA(instance)->dma_bounce_buffer = NULL;
-		HDATA(instance)->dma_bounce_len = 0;
+		kfree(hdata->dma_bounce_buffer);
+		hdata->dma_bounce_buffer = NULL;
+		hdata->dma_bounce_len = 0;
 	}
 }
 
@@ -154,6 +154,7 @@ static int __init a2091_detect(struct scsi_host_template *tpnt)
 	unsigned long address;
 	struct zorro_dev *z = NULL;
 	wd33c93_regs regs;
+	struct WD33C93_hostdata *hdata;
 	int num_a2091 = 0;
 
 	if (!MACH_IS_AMIGA || called)
@@ -180,9 +181,10 @@ static int __init a2091_detect(struct scsi_host_template *tpnt)
 		DMA(instance)->DAWR = DAWR_A2091;
 		regs.SASR = &(DMA(instance)->SASR);
 		regs.SCMD = &(DMA(instance)->SCMD);
-		HDATA(instance)->no_sync = 0xff;
-		HDATA(instance)->fast = 0;
-		HDATA(instance)->dma_mode = CTRL_DMA;
+		hdata = shost_priv(instance);
+		hdata->no_sync = 0xff;
+		hdata->fast = 0;
+		hdata->dma_mode = CTRL_DMA;
 		wd33c93_init(instance, regs, dma_setup, dma_stop,
 			     WD33C93_FS_8_10);
 		if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,

From 52c3d8a65f779430bfae1305f7d50eb44df9875e Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:37 +0200
Subject: [PATCH 0640/3638] [SCSI] gvp11: Use shost_priv() and kill ugly
 HDATA() macro

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/gvp11.c | 93 ++++++++++++++++++++++----------------------
 1 file changed, 46 insertions(+), 47 deletions(-)

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index bd5d90328ee..18b7102bb80 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -23,7 +23,6 @@
 
 
 #define DMA(ptr)	((gvp11_scsiregs *)((ptr)->base))
-#define HDATA(ptr)	((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static irqreturn_t gvp11_intr(int irq, void *_instance)
 {
@@ -50,70 +49,66 @@ void gvp11_setup(char *str, int *ints)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
+	struct Scsi_Host *instance = cmd->device->host;
+	struct WD33C93_hostdata *hdata = shost_priv(instance);
 	unsigned short cntr = GVP11_DMAC_INT_ENABLE;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 	int bank_mask;
 	static int scsi_alloc_out_of_range = 0;
 
 	/* use bounce buffer if the physical address is bad */
-	if (addr & HDATA(cmd->device->host)->dma_xfer_mask) {
-		HDATA(cmd->device->host)->dma_bounce_len =
-			(cmd->SCp.this_residual + 511) & ~0x1ff;
+	if (addr & hdata->dma_xfer_mask) {
+		hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
 
 		if (!scsi_alloc_out_of_range) {
-			HDATA(cmd->device->host)->dma_bounce_buffer =
-				kmalloc(HDATA(cmd->device->host)->dma_bounce_len,
-					GFP_KERNEL);
-			HDATA(cmd->device->host)->dma_buffer_pool =
-				BUF_SCSI_ALLOCED;
+			hdata->dma_bounce_buffer =
+				kmalloc(hdata->dma_bounce_len, GFP_KERNEL);
+			hdata->dma_buffer_pool = BUF_SCSI_ALLOCED;
 		}
 
 		if (scsi_alloc_out_of_range ||
-		    !HDATA(cmd->device->host)->dma_bounce_buffer) {
-			HDATA(cmd->device->host)->dma_bounce_buffer =
-				amiga_chip_alloc(HDATA(cmd->device->host)->dma_bounce_len,
+		    !hdata->dma_bounce_buffer) {
+			hdata->dma_bounce_buffer =
+				amiga_chip_alloc(hdata->dma_bounce_len,
 						 "GVP II SCSI Bounce Buffer");
 
-			if (!HDATA(cmd->device->host)->dma_bounce_buffer) {
-				HDATA(cmd->device->host)->dma_bounce_len = 0;
+			if (!hdata->dma_bounce_buffer) {
+				hdata->dma_bounce_len = 0;
 				return 1;
 			}
 
-			HDATA(cmd->device->host)->dma_buffer_pool =
-				BUF_CHIP_ALLOCED;
+			hdata->dma_buffer_pool = BUF_CHIP_ALLOCED;
 		}
 
 		/* check if the address of the bounce buffer is OK */
-		addr = virt_to_bus(HDATA(cmd->device->host)->dma_bounce_buffer);
+		addr = virt_to_bus(hdata->dma_bounce_buffer);
 
-		if (addr & HDATA(cmd->device->host)->dma_xfer_mask) {
+		if (addr & hdata->dma_xfer_mask) {
 			/* fall back to Chip RAM if address out of range */
-			if (HDATA(cmd->device->host)->dma_buffer_pool ==
-			    BUF_SCSI_ALLOCED) {
-				kfree(HDATA(cmd->device->host)->dma_bounce_buffer);
+			if (hdata->dma_buffer_pool == BUF_SCSI_ALLOCED) {
+				kfree(hdata->dma_bounce_buffer);
 				scsi_alloc_out_of_range = 1;
 			} else {
-				amiga_chip_free(HDATA(cmd->device->host)->dma_bounce_buffer);
+				amiga_chip_free(hdata->dma_bounce_buffer);
 			}
 
-			HDATA(cmd->device->host)->dma_bounce_buffer =
-				amiga_chip_alloc(HDATA(cmd->device->host)->dma_bounce_len,
+			hdata->dma_bounce_buffer =
+				amiga_chip_alloc(hdata->dma_bounce_len,
 						 "GVP II SCSI Bounce Buffer");
 
-			if (!HDATA(cmd->device->host)->dma_bounce_buffer) {
-				HDATA(cmd->device->host)->dma_bounce_len = 0;
+			if (!hdata->dma_bounce_buffer) {
+				hdata->dma_bounce_len = 0;
 				return 1;
 			}
 
-			addr = virt_to_bus(HDATA(cmd->device->host)->dma_bounce_buffer);
-			HDATA(cmd->device->host)->dma_buffer_pool =
-				BUF_CHIP_ALLOCED;
+			addr = virt_to_bus(hdata->dma_bounce_buffer);
+			hdata->dma_buffer_pool = BUF_CHIP_ALLOCED;
 		}
 
 		if (!dir_in) {
 			/* copy to bounce buffer for a write */
-			memcpy(HDATA(cmd->device->host)->dma_bounce_buffer,
-			       cmd->SCp.ptr, cmd->SCp.this_residual);
+			memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+			       cmd->SCp.this_residual);
 		}
 	}
 
@@ -121,7 +116,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 	if (!dir_in)
 		cntr |= GVP11_DMAC_DIR_WRITE;
 
-	HDATA(cmd->device->host)->dma_dir = dir_in;
+	hdata->dma_dir = dir_in;
 	DMA(cmd->device->host)->CNTR = cntr;
 
 	/* setup DMA *physical* address */
@@ -135,7 +130,8 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		cache_push(addr, cmd->SCp.this_residual);
 	}
 
-	if ((bank_mask = (~HDATA(cmd->device->host)->dma_xfer_mask >> 18) & 0x01c0))
+	bank_mask = (~hdata->dma_xfer_mask >> 18) & 0x01c0;
+	if (bank_mask)
 		DMA(cmd->device->host)->BANK = bank_mask & (addr >> 18);
 
 	/* start DMA */
@@ -148,25 +144,26 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
+	struct WD33C93_hostdata *hdata = shost_priv(instance);
+
 	/* stop DMA */
 	DMA(instance)->SP_DMA = 1;
 	/* remove write bit from CONTROL bits */
 	DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
 
 	/* copy from a bounce buffer, if necessary */
-	if (status && HDATA(instance)->dma_bounce_buffer) {
-		if (HDATA(instance)->dma_dir && SCpnt)
-			memcpy(SCpnt->SCp.ptr,
-			       HDATA(instance)->dma_bounce_buffer,
+	if (status && hdata->dma_bounce_buffer) {
+		if (hdata->dma_dir && SCpnt)
+			memcpy(SCpnt->SCp.ptr, hdata->dma_bounce_buffer,
 			       SCpnt->SCp.this_residual);
 
-		if (HDATA(instance)->dma_buffer_pool == BUF_SCSI_ALLOCED)
-			kfree(HDATA(instance)->dma_bounce_buffer);
+		if (hdata->dma_buffer_pool == BUF_SCSI_ALLOCED)
+			kfree(hdata->dma_bounce_buffer);
 		else
-			amiga_chip_free(HDATA(instance)->dma_bounce_buffer);
+			amiga_chip_free(hdata->dma_bounce_buffer);
 
-		HDATA(instance)->dma_bounce_buffer = NULL;
-		HDATA(instance)->dma_bounce_len = 0;
+		hdata->dma_bounce_buffer = NULL;
+		hdata->dma_bounce_len = 0;
 	}
 }
 
@@ -180,6 +177,7 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 	unsigned int epc;
 	struct zorro_dev *z = NULL;
 	unsigned int default_dma_xfer_mask;
+	struct WD33C93_hostdata *hdata;
 	wd33c93_regs regs;
 	int num_gvp11 = 0;
 #ifdef CHECK_WD33C93
@@ -306,10 +304,11 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 		instance->irq = IRQ_AMIGA_PORTS;
 		instance->unique_id = z->slotaddr;
 
+		hdata = shost_priv(instance);
 		if (gvp11_xfer_mask)
-			HDATA(instance)->dma_xfer_mask = gvp11_xfer_mask;
+			hdata->dma_xfer_mask = gvp11_xfer_mask;
 		else
-			HDATA(instance)->dma_xfer_mask = default_dma_xfer_mask;
+			hdata->dma_xfer_mask = default_dma_xfer_mask;
 
 		DMA(instance)->secret2 = 1;
 		DMA(instance)->secret1 = 0;
@@ -327,9 +326,9 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 		 */
 		regs.SASR = &(DMA(instance)->SASR);
 		regs.SCMD = &(DMA(instance)->SCMD);
-		HDATA(instance)->no_sync = 0xff;
-		HDATA(instance)->fast = 0;
-		HDATA(instance)->dma_mode = CTRL_DMA;
+		hdata->no_sync = 0xff;
+		hdata->fast = 0;
+		hdata->dma_mode = CTRL_DMA;
 		wd33c93_init(instance, regs, dma_setup, dma_stop,
 			     (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
 						     : WD33C93_FS_12_15);

From ce195662bbc063c29294c11a57aa2db182a837ea Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:38 +0200
Subject: [PATCH 0641/3638] [SCSI] mvme147: Use shost_priv() and kill ugly
 HDATA() macro

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/mvme147.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index b236d72850d..716d1785cda 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -16,8 +16,6 @@
 #include <linux/stat.h>
 
 
-#define HDATA(ptr)	((struct WD33C93_hostdata *)((ptr)->hostdata))
-
 static struct Scsi_Host *mvme147_host = NULL;
 
 static irqreturn_t mvme147_intr(int irq, void *dummy)
@@ -31,6 +29,7 @@ static irqreturn_t mvme147_intr(int irq, void *dummy)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
+	struct WD33C93_hostdata *hdata = shost_priv(mvme147_host);
 	unsigned char flags = 0x01;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -39,7 +38,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		flags |= 0x04;
 
 	/* remember direction */
-	HDATA(mvme147_host)->dma_dir = dir_in;
+	hdata->dma_dir = dir_in;
 
 	if (dir_in) {
 		/* invalidate any cache */
@@ -68,6 +67,7 @@ int mvme147_detect(struct scsi_host_template *tpnt)
 {
 	static unsigned char called = 0;
 	wd33c93_regs regs;
+	struct WD33C93_hostdata *hdata;
 
 	if (!MACH_IS_MVME147 || called)
 		return 0;
@@ -84,9 +84,10 @@ int mvme147_detect(struct scsi_host_template *tpnt)
 	mvme147_host->irq = MVME147_IRQ_SCSI_PORT;
 	regs.SASR = (volatile unsigned char *)0xfffe4000;
 	regs.SCMD = (volatile unsigned char *)0xfffe4001;
-	HDATA(mvme147_host)->no_sync = 0xff;
-	HDATA(mvme147_host)->fast = 0;
-	HDATA(mvme147_host)->dma_mode = CTRL_DMA;
+	hdata = shost_priv(mvme147_host);
+	hdata->no_sync = 0xff;
+	hdata->fast = 0;
+	hdata->dma_mode = CTRL_DMA;
 	wd33c93_init(mvme147_host, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
 
 	if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0,

From afdbbc16134ae2eea612b51cab7545938d266dce Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:39 +0200
Subject: [PATCH 0642/3638] [SCSI] a3000: Use shost_priv() and kill ugly
 HDATA() macro

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/a3000.c | 53 +++++++++++++++++++++++---------------------
 1 file changed, 28 insertions(+), 25 deletions(-)

diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index 31434f7c368..bc6eb69f5fd 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -23,7 +23,6 @@
 
 
 #define DMA(ptr)	((a3000_scsiregs *)((ptr)->base))
-#define HDATA(ptr)	((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static struct Scsi_Host *a3000_host = NULL;
 
@@ -48,6 +47,7 @@ static irqreturn_t a3000_intr(int irq, void *dummy)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
+	struct WD33C93_hostdata *hdata = shost_priv(a3000_host);
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -58,24 +58,23 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 	 * buffer
 	 */
 	if (addr & A3000_XFER_MASK) {
-		HDATA(a3000_host)->dma_bounce_len =
-			(cmd->SCp.this_residual + 511) & ~0x1ff;
-		HDATA(a3000_host)->dma_bounce_buffer =
-			kmalloc(HDATA(a3000_host)->dma_bounce_len, GFP_KERNEL);
+		hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
+		hdata->dma_bounce_buffer = kmalloc(hdata->dma_bounce_len,
+						   GFP_KERNEL);
 
 		/* can't allocate memory; use PIO */
-		if (!HDATA(a3000_host)->dma_bounce_buffer) {
-			HDATA(a3000_host)->dma_bounce_len = 0;
+		if (!hdata->dma_bounce_buffer) {
+			hdata->dma_bounce_len = 0;
 			return 1;
 		}
 
 		if (!dir_in) {
 			/* copy to bounce buffer for a write */
-			memcpy(HDATA(a3000_host)->dma_bounce_buffer,
-			       cmd->SCp.ptr, cmd->SCp.this_residual);
+			memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+			       cmd->SCp.this_residual);
 		}
 
-		addr = virt_to_bus(HDATA(a3000_host)->dma_bounce_buffer);
+		addr = virt_to_bus(hdata->dma_bounce_buffer);
 	}
 
 	/* setup dma direction */
@@ -83,7 +82,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		cntr |= CNTR_DDIR;
 
 	/* remember direction */
-	HDATA(a3000_host)->dma_dir = dir_in;
+	hdata->dma_dir = dir_in;
 
 	DMA(a3000_host)->CNTR = cntr;
 
@@ -110,17 +109,19 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
+	struct WD33C93_hostdata *hdata = shost_priv(instance);
+
 	/* disable SCSI interrupts */
 	unsigned short cntr = CNTR_PDMD;
 
-	if (!HDATA(instance)->dma_dir)
+	if (!hdata->dma_dir)
 		cntr |= CNTR_DDIR;
 
 	DMA(instance)->CNTR = cntr;
 	mb();			/* make sure CNTR is updated before next IO */
 
 	/* flush if we were reading */
-	if (HDATA(instance)->dma_dir) {
+	if (hdata->dma_dir) {
 		DMA(instance)->FLUSH = 1;
 		mb();		/* don't allow prefetch */
 		while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
@@ -143,19 +144,19 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	mb();			/* make sure CNTR is updated before next IO */
 
 	/* copy from a bounce buffer, if necessary */
-	if (status && HDATA(instance)->dma_bounce_buffer) {
+	if (status && hdata->dma_bounce_buffer) {
 		if (SCpnt) {
-			if (HDATA(instance)->dma_dir && SCpnt)
+			if (hdata->dma_dir && SCpnt)
 				memcpy(SCpnt->SCp.ptr,
-				       HDATA(instance)->dma_bounce_buffer,
+				       hdata->dma_bounce_buffer,
 				       SCpnt->SCp.this_residual);
-			kfree(HDATA(instance)->dma_bounce_buffer);
-			HDATA(instance)->dma_bounce_buffer = NULL;
-			HDATA(instance)->dma_bounce_len = 0;
+			kfree(hdata->dma_bounce_buffer);
+			hdata->dma_bounce_buffer = NULL;
+			hdata->dma_bounce_len = 0;
 		} else {
-			kfree(HDATA(instance)->dma_bounce_buffer);
-			HDATA(instance)->dma_bounce_buffer = NULL;
-			HDATA(instance)->dma_bounce_len = 0;
+			kfree(hdata->dma_bounce_buffer);
+			hdata->dma_bounce_buffer = NULL;
+			hdata->dma_bounce_len = 0;
 		}
 	}
 }
@@ -163,6 +164,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 static int __init a3000_detect(struct scsi_host_template *tpnt)
 {
 	wd33c93_regs regs;
+	struct WD33C93_hostdata *hdata;
 
 	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
 		return 0;
@@ -181,9 +183,10 @@ static int __init a3000_detect(struct scsi_host_template *tpnt)
 	DMA(a3000_host)->DAWR = DAWR_A3000;
 	regs.SASR = &(DMA(a3000_host)->SASR);
 	regs.SCMD = &(DMA(a3000_host)->SCMD);
-	HDATA(a3000_host)->no_sync = 0xff;
-	HDATA(a3000_host)->fast = 0;
-	HDATA(a3000_host)->dma_mode = CTRL_DMA;
+	hdata = shost_priv(a3000_host);
+	hdata->no_sync = 0xff;
+	hdata->fast = 0;
+	hdata->dma_mode = CTRL_DMA;
 	wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
 	if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
 			a3000_intr))

From b1de6ab79456724d316d5dfa4bbb28f166cda99e Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 4 Apr 2010 11:00:40 +0200
Subject: [PATCH 0643/3638] [SCSI] a2091: Kill ugly DMA() macro

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/a2091.c | 48 ++++++++++++++++++++++++--------------------
 1 file changed, 26 insertions(+), 22 deletions(-)

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 95584059863..308541ff85c 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -22,17 +22,15 @@
 #include <linux/stat.h>
 
 
-#define DMA(ptr)	((a2091_scsiregs *)((ptr)->base))
-
 static int a2091_release(struct Scsi_Host *instance);
 
-static irqreturn_t a2091_intr(int irq, void *_instance)
+static irqreturn_t a2091_intr(int irq, void *data)
 {
+	struct Scsi_Host *instance = data;
+	a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+	unsigned int status = regs->ISTR;
 	unsigned long flags;
-	unsigned int status;
-	struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
 
-	status = DMA(instance)->ISTR;
 	if (!(status & (ISTR_INT_F | ISTR_INT_P)) || !(status & ISTR_INTS))
 		return IRQ_NONE;
 
@@ -46,6 +44,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct Scsi_Host *instance = cmd->device->host;
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
+	a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -87,10 +86,10 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 	/* remember direction */
 	hdata->dma_dir = dir_in;
 
-	DMA(cmd->device->host)->CNTR = cntr;
+	regs->CNTR = cntr;
 
 	/* setup DMA *physical* address */
-	DMA(cmd->device->host)->ACR = addr;
+	regs->ACR = addr;
 
 	if (dir_in) {
 		/* invalidate any cache */
@@ -100,7 +99,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		cache_push(addr, cmd->SCp.this_residual);
 	}
 	/* start DMA */
-	DMA(cmd->device->host)->ST_DMA = 1;
+	regs->ST_DMA = 1;
 
 	/* return success */
 	return 0;
@@ -110,6 +109,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
+	a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
 
 	/* disable SCSI interrupts */
 	unsigned short cntr = CNTR_PDMD;
@@ -118,23 +118,23 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		cntr |= CNTR_DDIR;
 
 	/* disable SCSI interrupts */
-	DMA(instance)->CNTR = cntr;
+	regs->CNTR = cntr;
 
 	/* flush if we were reading */
 	if (hdata->dma_dir) {
-		DMA(instance)->FLUSH = 1;
-		while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
+		regs->FLUSH = 1;
+		while (!(regs->ISTR & ISTR_FE_FLG))
 			;
 	}
 
 	/* clear a possible interrupt */
-	DMA(instance)->CINT = 1;
+	regs->CINT = 1;
 
 	/* stop DMA */
-	DMA(instance)->SP_DMA = 1;
+	regs->SP_DMA = 1;
 
 	/* restore the CONTROL bits (minus the direction flag) */
-	DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+	regs->CNTR = CNTR_PDMD | CNTR_INTEN;
 
 	/* copy from a bounce buffer, if necessary */
 	if (status && hdata->dma_bounce_buffer) {
@@ -153,7 +153,8 @@ static int __init a2091_detect(struct scsi_host_template *tpnt)
 	struct Scsi_Host *instance;
 	unsigned long address;
 	struct zorro_dev *z = NULL;
-	wd33c93_regs regs;
+	wd33c93_regs wdregs;
+	a2091_scsiregs *regs;
 	struct WD33C93_hostdata *hdata;
 	int num_a2091 = 0;
 
@@ -178,19 +179,20 @@ static int __init a2091_detect(struct scsi_host_template *tpnt)
 		instance->base = ZTWO_VADDR(address);
 		instance->irq = IRQ_AMIGA_PORTS;
 		instance->unique_id = z->slotaddr;
-		DMA(instance)->DAWR = DAWR_A2091;
-		regs.SASR = &(DMA(instance)->SASR);
-		regs.SCMD = &(DMA(instance)->SCMD);
+		regs = (a2091_scsiregs *)(instance->base);
+		regs->DAWR = DAWR_A2091;
+		wdregs.SASR = &regs->SASR;
+		wdregs.SCMD = &regs->SCMD;
 		hdata = shost_priv(instance);
 		hdata->no_sync = 0xff;
 		hdata->fast = 0;
 		hdata->dma_mode = CTRL_DMA;
-		wd33c93_init(instance, regs, dma_setup, dma_stop,
+		wd33c93_init(instance, wdregs, dma_setup, dma_stop,
 			     WD33C93_FS_8_10);
 		if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
 				"A2091 SCSI", instance))
 			goto unregister;
-		DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+		regs->CNTR = CNTR_PDMD | CNTR_INTEN;
 		num_a2091++;
 		continue;
 
@@ -241,7 +243,9 @@ static struct scsi_host_template driver_template = {
 static int a2091_release(struct Scsi_Host *instance)
 {
 #ifdef MODULE
-	DMA(instance)->CNTR = 0;
+	a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+
+	regs->CNTR = 0;
 	release_mem_region(ZTWO_PADDR(instance->base), 256);
 	free_irq(IRQ_AMIGA_PORTS, instance);
 #endif

From 06b9e650ce5eaf14ac1486b2f05baaf2ba22ad22 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Tue, 27 Apr 2010 17:18:22 +0400
Subject: [PATCH 0644/3638] tosa_battery: Fix build error due to direct
 driver_data usage

The driver isn't buildable since 2.6.32 (i.e. commit b4028437
"Driver core: move dev_get/set_drvdata to drivers/base/dd.c"):

  CC      tosa_battery.o
tosa_battery.c: In function 'tosa_read_bat':
tosa_battery.c:64: error: 'struct device' has no member named 'driver_data'
tosa_battery.c: In function 'tosa_read_temp':
tosa_battery.c:84: error: 'struct device' has no member named 'driver_data'

Nowadays we must not access driver_data directly, use dev_get_drvdata()
instead.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/tosa_battery.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/power/tosa_battery.c b/drivers/power/tosa_battery.c
index 2eab35aab31..ee04936b2db 100644
--- a/drivers/power/tosa_battery.c
+++ b/drivers/power/tosa_battery.c
@@ -61,7 +61,7 @@ static unsigned long tosa_read_bat(struct tosa_bat *bat)
 	mutex_lock(&bat_lock);
 	gpio_set_value(bat->gpio_bat, 1);
 	msleep(5);
-	value = wm97xx_read_aux_adc(bat->psy.dev->parent->driver_data,
+	value = wm97xx_read_aux_adc(dev_get_drvdata(bat->psy.dev->parent),
 			bat->adc_bat);
 	gpio_set_value(bat->gpio_bat, 0);
 	mutex_unlock(&bat_lock);
@@ -81,7 +81,7 @@ static unsigned long tosa_read_temp(struct tosa_bat *bat)
 	mutex_lock(&bat_lock);
 	gpio_set_value(bat->gpio_temp, 1);
 	msleep(5);
-	value = wm97xx_read_aux_adc(bat->psy.dev->parent->driver_data,
+	value = wm97xx_read_aux_adc(dev_get_drvdata(bat->psy.dev->parent),
 			bat->adc_temp);
 	gpio_set_value(bat->gpio_temp, 0);
 	mutex_unlock(&bat_lock);

From c614e109c184edd7900d9ff4d6de9ef94bc4d85b Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 3 May 2010 11:08:15 +0800
Subject: [PATCH 0645/3638] crypto: algapi - Remove unneeded null check

We don't check "frontend" consistently in crypto_init_spawn2().  We
check it at the start of the function but then we dereference it
unconditionally in the parameter list when we call crypto_init_spawn().

I looked at the places that call crypto_init_spawn2() and "frontend" is
always a valid pointer so I removed the check for null.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/algapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/algapi.c b/crypto/algapi.c
index 3e4524e6139..d49d7091cec 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -543,7 +543,7 @@ int crypto_init_spawn2(struct crypto_spawn *spawn, struct crypto_alg *alg,
 {
 	int err = -EINVAL;
 
-	if (frontend && (alg->cra_flags ^ frontend->type) & frontend->maskset)
+	if ((alg->cra_flags ^ frontend->type) & frontend->maskset)
 		goto out;
 
 	spawn->frontend = frontend;

From ee5500c45c4860a84bba502c6d9ef5af6395dad6 Mon Sep 17 00:00:00 2001
From: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Date: Mon, 3 May 2010 11:10:03 +0800
Subject: [PATCH 0646/3638] crypto: omap - Updates omap sham device related
 platform code

- registration with multi OMAP kernels support
- clocks

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 arch/arm/mach-omap2/clock2420_data.c       |  2 +-
 arch/arm/mach-omap2/clock2430_data.c       |  2 +-
 arch/arm/mach-omap2/clock3xxx_data.c       |  2 +-
 arch/arm/mach-omap2/devices.c              | 58 ++++++++++++++++++----
 arch/arm/plat-omap/include/plat/omap34xx.h |  5 ++
 5 files changed, 56 insertions(+), 13 deletions(-)

diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index f12af95ead4..fc55ab4c32e 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -1836,7 +1836,7 @@ static struct omap_clk omap2420_clks[] = {
 	CLK(NULL,	"vlynq_ick",	&vlynq_ick,	CK_242X),
 	CLK(NULL,	"vlynq_fck",	&vlynq_fck,	CK_242X),
 	CLK(NULL,	"des_ick",	&des_ick,	CK_242X),
-	CLK(NULL,	"sha_ick",	&sha_ick,	CK_242X),
+	CLK("omap-sham",	"ick",	&sha_ick,	CK_242X),
 	CLK("omap_rng",	"ick",		&rng_ick,	CK_242X),
 	CLK(NULL,	"aes_ick",	&aes_ick,	CK_242X),
 	CLK(NULL,	"pka_ick",	&pka_ick,	CK_242X),
diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c
index 0438b6e4f51..5884ac681c4 100644
--- a/arch/arm/mach-omap2/clock2430_data.c
+++ b/arch/arm/mach-omap2/clock2430_data.c
@@ -1924,7 +1924,7 @@ static struct omap_clk omap2430_clks[] = {
 	CLK(NULL,	"sdma_ick",	&sdma_ick,	CK_243X),
 	CLK(NULL,	"sdrc_ick",	&sdrc_ick,	CK_243X),
 	CLK(NULL,	"des_ick",	&des_ick,	CK_243X),
-	CLK(NULL,	"sha_ick",	&sha_ick,	CK_243X),
+	CLK("omap-sham",	"ick",	&sha_ick,	CK_243X),
 	CLK("omap_rng",	"ick",		&rng_ick,	CK_243X),
 	CLK(NULL,	"aes_ick",	&aes_ick,	CK_243X),
 	CLK(NULL,	"pka_ick",	&pka_ick,	CK_243X),
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index d5153b6bd6c..5a974dcbcec 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3360,7 +3360,7 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK("mmci-omap-hs.2",	"ick",	&mmchs3_ick,	CK_3430ES2 | CK_AM35XX),
 	CLK(NULL,	"icr_ick",	&icr_ick,	CK_343X),
 	CLK(NULL,	"aes2_ick",	&aes2_ick,	CK_343X),
-	CLK(NULL,	"sha12_ick",	&sha12_ick,	CK_343X),
+	CLK("omap-sham",	"ick",	&sha12_ick,	CK_343X),
 	CLK(NULL,	"des2_ick",	&des2_ick,	CK_343X),
 	CLK("mmci-omap-hs.1",	"ick",	&mmchs2_ick,	CK_3XXX),
 	CLK("mmci-omap-hs.0",	"ick",	&mmchs1_ick,	CK_3XXX),
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 23e4d773361..7e7acc19bed 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -26,6 +26,7 @@
 #include <plat/mux.h>
 #include <mach/gpio.h>
 #include <plat/mmc.h>
+#include <plat/dma.h>
 
 #include "mux.h"
 
@@ -453,8 +454,10 @@ static void omap_init_mcspi(void)
 static inline void omap_init_mcspi(void) {}
 #endif
 
-#ifdef CONFIG_OMAP_SHA1_MD5
-static struct resource sha1_md5_resources[] = {
+#if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
+
+#ifdef CONFIG_ARCH_OMAP24XX
+static struct resource omap2_sham_resources[] = {
 	{
 		.start	= OMAP24XX_SEC_SHA1MD5_BASE,
 		.end	= OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
@@ -465,20 +468,55 @@ static struct resource sha1_md5_resources[] = {
 		.flags	= IORESOURCE_IRQ,
 	}
 };
+static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
+#else
+#define omap2_sham_resources		NULL
+#define omap2_sham_resources_sz		0
+#endif
 
-static struct platform_device sha1_md5_device = {
-	.name		= "OMAP SHA1/MD5",
+#ifdef CONFIG_ARCH_OMAP34XX
+static struct resource omap3_sham_resources[] = {
+	{
+		.start	= OMAP34XX_SEC_SHA1MD5_BASE,
+		.end	= OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_34XX_SHA1MD52_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= OMAP34XX_DMA_SHA1MD5_RX,
+		.flags	= IORESOURCE_DMA,
+	}
+};
+static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
+#else
+#define omap3_sham_resources		NULL
+#define omap3_sham_resources_sz		0
+#endif
+
+static struct platform_device sham_device = {
+	.name		= "omap-sham",
 	.id		= -1,
-	.num_resources	= ARRAY_SIZE(sha1_md5_resources),
-	.resource	= sha1_md5_resources,
 };
 
-static void omap_init_sha1_md5(void)
+static void omap_init_sham(void)
 {
-	platform_device_register(&sha1_md5_device);
+	if (cpu_is_omap24xx()) {
+		sham_device.resource = omap2_sham_resources;
+		sham_device.num_resources = omap2_sham_resources_sz;
+	} else if (cpu_is_omap34xx()) {
+		sham_device.resource = omap3_sham_resources;
+		sham_device.num_resources = omap3_sham_resources_sz;
+	} else {
+		pr_err("%s: platform not supported\n", __func__);
+		return;
+	}
+	platform_device_register(&sham_device);
 }
 #else
-static inline void omap_init_sha1_md5(void) { }
+static inline void omap_init_sham(void) { }
 #endif
 
 /*-------------------------------------------------------------------------*/
@@ -799,7 +837,7 @@ static int __init omap2_init_devices(void)
 	omap_init_mcspi();
 	omap_hdq_init();
 	omap_init_sti();
-	omap_init_sha1_md5();
+	omap_init_sham();
 
 	return 0;
 }
diff --git a/arch/arm/plat-omap/include/plat/omap34xx.h b/arch/arm/plat-omap/include/plat/omap34xx.h
index 2845fdc658b..98fc8b4a4cc 100644
--- a/arch/arm/plat-omap/include/plat/omap34xx.h
+++ b/arch/arm/plat-omap/include/plat/omap34xx.h
@@ -82,5 +82,10 @@
 
 #define OMAP34XX_MAILBOX_BASE		(L4_34XX_BASE + 0x94000)
 
+/* Security */
+#define OMAP34XX_SEC_BASE	(L4_34XX_BASE + 0xA0000)
+#define OMAP34XX_SEC_SHA1MD5_BASE	(OMAP34XX_SEC_BASE + 0x23000)
+#define OMAP34XX_SEC_AES_BASE	(OMAP34XX_SEC_BASE + 0x25000)
+
 #endif /* __ASM_ARCH_OMAP3_H */
 

From 8628e7c89075834fc7b44629d09ff4f9043af114 Mon Sep 17 00:00:00 2001
From: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Date: Mon, 3 May 2010 11:10:59 +0800
Subject: [PATCH 0647/3638] crypto: omap - sha1 & md5 driver

Earlier kernel contained omap sha1 and md5 driver, which was not maintained,
was not ported to new crypto APIs and removed from the source tree.

- implements async  crypto API using dma and cpu.
- supports multiple sham instances if available
- hmac
- concurrent requests

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/Kconfig     |    9 +
 drivers/crypto/Makefile    |    2 +
 drivers/crypto/omap-sham.c | 1259 ++++++++++++++++++++++++++++++++++++
 3 files changed, 1270 insertions(+)
 create mode 100644 drivers/crypto/omap-sham.c

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index b08403d7d1c..9073aa05123 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -222,4 +222,13 @@ config CRYPTO_DEV_PPC4XX
 	help
 	  This option allows you to have support for AMCC crypto acceleration.
 
+config CRYPTO_DEV_OMAP_SHAM
+	tristate "Support for OMAP SHA1/MD5 hw accelerator"
+	depends on ARCH_OMAP2 || ARCH_OMAP3
+	select CRYPTO_SHA1
+	select CRYPTO_MD5
+	help
+	  OMAP processors have SHA1/MD5 hw accelerator. Select this if you
+	  want to use the OMAP module for SHA1/MD5 algorithms.
+
 endif # CRYPTO_HW
diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
index 6ffcb3f7f94..c9494e16340 100644
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -6,3 +6,5 @@ obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_cesa.o
 obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
 obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
 obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/
+obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
+
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
new file mode 100644
index 00000000000..8b034337793
--- /dev/null
+++ b/drivers/crypto/omap-sham.c
@@ -0,0 +1,1259 @@
+/*
+ * Cryptographic API.
+ *
+ * Support for OMAP SHA1/MD5 HW acceleration.
+ *
+ * Copyright (c) 2010 Nokia Corporation
+ * Author: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * Some ideas are from old omap-sha1-md5.c driver.
+ */
+
+#define pr_fmt(fmt) "%s: " fmt, __func__
+
+#include <linux/version.h>
+#include <linux/err.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/scatterlist.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/crypto.h>
+#include <linux/cryptohash.h>
+#include <crypto/scatterwalk.h>
+#include <crypto/algapi.h>
+#include <crypto/sha.h>
+#include <crypto/hash.h>
+#include <crypto/internal/hash.h>
+
+#include <plat/cpu.h>
+#include <plat/dma.h>
+#include <mach/irqs.h>
+
+#define SHA_REG_DIGEST(x)		(0x00 + ((x) * 0x04))
+#define SHA_REG_DIN(x)			(0x1C + ((x) * 0x04))
+
+#define SHA1_MD5_BLOCK_SIZE		SHA1_BLOCK_SIZE
+#define MD5_DIGEST_SIZE			16
+
+#define SHA_REG_DIGCNT			0x14
+
+#define SHA_REG_CTRL			0x18
+#define SHA_REG_CTRL_LENGTH		(0xFFFFFFFF << 5)
+#define SHA_REG_CTRL_CLOSE_HASH		(1 << 4)
+#define SHA_REG_CTRL_ALGO_CONST		(1 << 3)
+#define SHA_REG_CTRL_ALGO		(1 << 2)
+#define SHA_REG_CTRL_INPUT_READY	(1 << 1)
+#define SHA_REG_CTRL_OUTPUT_READY	(1 << 0)
+
+#define SHA_REG_REV			0x5C
+#define SHA_REG_REV_MAJOR		0xF0
+#define SHA_REG_REV_MINOR		0x0F
+
+#define SHA_REG_MASK			0x60
+#define SHA_REG_MASK_DMA_EN		(1 << 3)
+#define SHA_REG_MASK_IT_EN		(1 << 2)
+#define SHA_REG_MASK_SOFTRESET		(1 << 1)
+#define SHA_REG_AUTOIDLE		(1 << 0)
+
+#define SHA_REG_SYSSTATUS		0x64
+#define SHA_REG_SYSSTATUS_RESETDONE	(1 << 0)
+
+#define DEFAULT_TIMEOUT_INTERVAL	HZ
+
+#define FLAGS_FIRST		0x0001
+#define FLAGS_FINUP		0x0002
+#define FLAGS_FINAL		0x0004
+#define FLAGS_FAST		0x0008
+#define FLAGS_SHA1		0x0010
+#define FLAGS_DMA_ACTIVE	0x0020
+#define FLAGS_OUTPUT_READY	0x0040
+#define FLAGS_CLEAN		0x0080
+#define FLAGS_INIT		0x0100
+#define FLAGS_CPU		0x0200
+#define FLAGS_HMAC		0x0400
+
+/* 3rd byte */
+#define FLAGS_BUSY		16
+
+#define OP_UPDATE	1
+#define OP_FINAL	2
+
+struct omap_sham_dev;
+
+struct omap_sham_reqctx {
+	struct omap_sham_dev	*dd;
+	unsigned long		flags;
+	unsigned long		op;
+
+	size_t			digcnt;
+	u8			*buffer;
+	size_t			bufcnt;
+	size_t			buflen;
+	dma_addr_t		dma_addr;
+
+	/* walk state */
+	struct scatterlist	*sg;
+	unsigned int		offset;	/* offset in current sg */
+	unsigned int		total;	/* total request */
+};
+
+struct omap_sham_hmac_ctx {
+	struct crypto_shash	*shash;
+	u8			ipad[SHA1_MD5_BLOCK_SIZE];
+	u8			opad[SHA1_MD5_BLOCK_SIZE];
+};
+
+struct omap_sham_ctx {
+	struct omap_sham_dev	*dd;
+
+	unsigned long		flags;
+
+	/* fallback stuff */
+	struct crypto_shash	*fallback;
+
+	struct omap_sham_hmac_ctx base[0];
+};
+
+#define OMAP_SHAM_QUEUE_LENGTH	1
+
+struct omap_sham_dev {
+	struct list_head	list;
+	unsigned long		phys_base;
+	struct device		*dev;
+	void __iomem		*io_base;
+	int			irq;
+	struct clk		*iclk;
+	spinlock_t		lock;
+	int			dma;
+	int			dma_lch;
+	struct tasklet_struct	done_task;
+	struct tasklet_struct	queue_task;
+
+	unsigned long		flags;
+	struct crypto_queue	queue;
+	struct ahash_request	*req;
+};
+
+struct omap_sham_drv {
+	struct list_head	dev_list;
+	spinlock_t		lock;
+	unsigned long		flags;
+};
+
+static struct omap_sham_drv sham = {
+	.dev_list = LIST_HEAD_INIT(sham.dev_list),
+	.lock = __SPIN_LOCK_UNLOCKED(sham.lock),
+};
+
+static inline u32 omap_sham_read(struct omap_sham_dev *dd, u32 offset)
+{
+	return __raw_readl(dd->io_base + offset);
+}
+
+static inline void omap_sham_write(struct omap_sham_dev *dd,
+					u32 offset, u32 value)
+{
+	__raw_writel(value, dd->io_base + offset);
+}
+
+static inline void omap_sham_write_mask(struct omap_sham_dev *dd, u32 address,
+					u32 value, u32 mask)
+{
+	u32 val;
+
+	val = omap_sham_read(dd, address);
+	val &= ~mask;
+	val |= value;
+	omap_sham_write(dd, address, val);
+}
+
+static inline int omap_sham_wait(struct omap_sham_dev *dd, u32 offset, u32 bit)
+{
+	unsigned long timeout = jiffies + DEFAULT_TIMEOUT_INTERVAL;
+
+	while (!(omap_sham_read(dd, offset) & bit)) {
+		if (time_is_before_jiffies(timeout))
+			return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+static void omap_sham_copy_hash(struct ahash_request *req, int out)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	u32 *hash = (u32 *)req->result;
+	int i;
+
+	if (likely(ctx->flags & FLAGS_SHA1)) {
+		/* SHA1 results are in big endian */
+		for (i = 0; i < SHA1_DIGEST_SIZE / sizeof(u32); i++)
+			if (out)
+				hash[i] = be32_to_cpu(omap_sham_read(ctx->dd,
+							SHA_REG_DIGEST(i)));
+			else
+				omap_sham_write(ctx->dd, SHA_REG_DIGEST(i),
+							cpu_to_be32(hash[i]));
+	} else {
+		/* MD5 results are in little endian */
+		for (i = 0; i < MD5_DIGEST_SIZE / sizeof(u32); i++)
+			if (out)
+				hash[i] = le32_to_cpu(omap_sham_read(ctx->dd,
+							SHA_REG_DIGEST(i)));
+			else
+				omap_sham_write(ctx->dd, SHA_REG_DIGEST(i),
+							cpu_to_le32(hash[i]));
+	}
+}
+
+static int omap_sham_write_ctrl(struct omap_sham_dev *dd, size_t length,
+				 int final, int dma)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+	u32 val = length << 5, mask;
+
+	if (unlikely(!ctx->digcnt)) {
+
+		clk_enable(dd->iclk);
+
+		if (!(dd->flags & FLAGS_INIT)) {
+			omap_sham_write_mask(dd, SHA_REG_MASK,
+				SHA_REG_MASK_SOFTRESET, SHA_REG_MASK_SOFTRESET);
+
+			if (omap_sham_wait(dd, SHA_REG_SYSSTATUS,
+						SHA_REG_SYSSTATUS_RESETDONE))
+				return -ETIMEDOUT;
+
+			dd->flags |= FLAGS_INIT;
+		}
+	} else {
+		omap_sham_write(dd, SHA_REG_DIGCNT, ctx->digcnt);
+	}
+
+	omap_sham_write_mask(dd, SHA_REG_MASK,
+		SHA_REG_MASK_IT_EN | (dma ? SHA_REG_MASK_DMA_EN : 0),
+		SHA_REG_MASK_IT_EN | SHA_REG_MASK_DMA_EN);
+	/*
+	 * Setting ALGO_CONST only for the first iteration
+	 * and CLOSE_HASH only for the last one.
+	 */
+	if (ctx->flags & FLAGS_SHA1)
+		val |= SHA_REG_CTRL_ALGO;
+	if (!ctx->digcnt)
+		val |= SHA_REG_CTRL_ALGO_CONST;
+	if (final)
+		val |= SHA_REG_CTRL_CLOSE_HASH;
+
+	mask = SHA_REG_CTRL_ALGO_CONST | SHA_REG_CTRL_CLOSE_HASH |
+			SHA_REG_CTRL_ALGO | SHA_REG_CTRL_LENGTH;
+
+	omap_sham_write_mask(dd, SHA_REG_CTRL, val, mask);
+
+	return 0;
+}
+
+static int omap_sham_xmit_cpu(struct omap_sham_dev *dd, const u8 *buf,
+			      size_t length, int final)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+	int err, count, len32;
+	const u32 *buffer = (const u32 *)buf;
+
+	dev_dbg(dd->dev, "xmit_cpu: digcnt: %d, length: %d, final: %d\n",
+						ctx->digcnt, length, final);
+
+	err = omap_sham_write_ctrl(dd, length, final, 0);
+	if (err)
+		return err;
+
+	if (omap_sham_wait(dd, SHA_REG_CTRL, SHA_REG_CTRL_INPUT_READY))
+		return -ETIMEDOUT;
+
+	ctx->digcnt += length;
+
+	if (final)
+		ctx->flags |= FLAGS_FINAL; /* catch last interrupt */
+
+	len32 = DIV_ROUND_UP(length, sizeof(u32));
+
+	for (count = 0; count < len32; count++)
+		omap_sham_write(dd, SHA_REG_DIN(count), buffer[count]);
+
+	return -EINPROGRESS;
+}
+
+static int omap_sham_xmit_dma(struct omap_sham_dev *dd, dma_addr_t dma_addr,
+			      size_t length, int final)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+	int err, len32;
+
+	dev_dbg(dd->dev, "xmit_dma: digcnt: %d, length: %d, final: %d\n",
+						ctx->digcnt, length, final);
+
+	/* flush cache entries related to our page */
+	if (dma_addr == ctx->dma_addr)
+		dma_sync_single_for_device(dd->dev, dma_addr, length,
+					   DMA_TO_DEVICE);
+
+	len32 = DIV_ROUND_UP(length, sizeof(u32));
+
+	omap_set_dma_transfer_params(dd->dma_lch, OMAP_DMA_DATA_TYPE_S32, len32,
+			1, OMAP_DMA_SYNC_PACKET, dd->dma, OMAP_DMA_DST_SYNC);
+
+	omap_set_dma_src_params(dd->dma_lch, 0, OMAP_DMA_AMODE_POST_INC,
+				dma_addr, 0, 0);
+
+	err = omap_sham_write_ctrl(dd, length, final, 1);
+	if (err)
+		return err;
+
+	ctx->digcnt += length;
+
+	if (final)
+		ctx->flags |= FLAGS_FINAL; /* catch last interrupt */
+
+	dd->flags |= FLAGS_DMA_ACTIVE;
+
+	omap_start_dma(dd->dma_lch);
+
+	return -EINPROGRESS;
+}
+
+static size_t omap_sham_append_buffer(struct omap_sham_reqctx *ctx,
+				const u8 *data, size_t length)
+{
+	size_t count = min(length, ctx->buflen - ctx->bufcnt);
+
+	count = min(count, ctx->total);
+	if (count <= 0)
+		return 0;
+	memcpy(ctx->buffer + ctx->bufcnt, data, count);
+	ctx->bufcnt += count;
+
+	return count;
+}
+
+static size_t omap_sham_append_sg(struct omap_sham_reqctx *ctx)
+{
+	size_t count;
+
+	while (ctx->sg) {
+		count = omap_sham_append_buffer(ctx,
+				sg_virt(ctx->sg) + ctx->offset,
+				ctx->sg->length - ctx->offset);
+		if (!count)
+			break;
+		ctx->offset += count;
+		ctx->total -= count;
+		if (ctx->offset == ctx->sg->length) {
+			ctx->sg = sg_next(ctx->sg);
+			if (ctx->sg)
+				ctx->offset = 0;
+			else
+				ctx->total = 0;
+		}
+	}
+
+	return 0;
+}
+
+static int omap_sham_update_dma_slow(struct omap_sham_dev *dd)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+	unsigned int final;
+	size_t count;
+
+	if (!ctx->total)
+		return 0;
+
+	omap_sham_append_sg(ctx);
+
+	final = (ctx->flags & FLAGS_FINUP) && !ctx->total;
+
+	dev_dbg(dd->dev, "slow: bufcnt: %u, digcnt: %d, final: %d\n",
+					 ctx->bufcnt, ctx->digcnt, final);
+
+	if (final || (ctx->bufcnt == ctx->buflen && ctx->total)) {
+		count = ctx->bufcnt;
+		ctx->bufcnt = 0;
+		return omap_sham_xmit_dma(dd, ctx->dma_addr, count, final);
+	}
+
+	return 0;
+}
+
+static int omap_sham_update_dma_fast(struct omap_sham_dev *dd)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+	unsigned int length;
+
+	ctx->flags |= FLAGS_FAST;
+
+	length = min(ctx->total, sg_dma_len(ctx->sg));
+	ctx->total = length;
+
+	if (!dma_map_sg(dd->dev, ctx->sg, 1, DMA_TO_DEVICE)) {
+		dev_err(dd->dev, "dma_map_sg  error\n");
+		return -EINVAL;
+	}
+
+	ctx->total -= length;
+
+	return omap_sham_xmit_dma(dd, sg_dma_address(ctx->sg), length, 1);
+}
+
+static int omap_sham_update_cpu(struct omap_sham_dev *dd)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+	int bufcnt;
+
+	omap_sham_append_sg(ctx);
+	bufcnt = ctx->bufcnt;
+	ctx->bufcnt = 0;
+
+	return omap_sham_xmit_cpu(dd, ctx->buffer, bufcnt, 1);
+}
+
+static int omap_sham_update_dma_stop(struct omap_sham_dev *dd)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+
+	omap_stop_dma(dd->dma_lch);
+	if (ctx->flags & FLAGS_FAST)
+		dma_unmap_sg(dd->dev, ctx->sg, 1, DMA_TO_DEVICE);
+
+	return 0;
+}
+
+static void omap_sham_cleanup(struct ahash_request *req)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	struct omap_sham_dev *dd = ctx->dd;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->lock, flags);
+	if (ctx->flags & FLAGS_CLEAN) {
+		spin_unlock_irqrestore(&dd->lock, flags);
+		return;
+	}
+	ctx->flags |= FLAGS_CLEAN;
+	spin_unlock_irqrestore(&dd->lock, flags);
+
+	if (ctx->digcnt)
+		clk_disable(dd->iclk);
+
+	if (ctx->dma_addr)
+		dma_unmap_single(dd->dev, ctx->dma_addr, ctx->buflen,
+				 DMA_TO_DEVICE);
+
+	if (ctx->buffer)
+		free_page((unsigned long)ctx->buffer);
+
+	dev_dbg(dd->dev, "digcnt: %d, bufcnt: %d\n", ctx->digcnt, ctx->bufcnt);
+}
+
+static int omap_sham_init(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct omap_sham_ctx *tctx = crypto_ahash_ctx(tfm);
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	struct omap_sham_dev *dd = NULL, *tmp;
+
+	spin_lock_bh(&sham.lock);
+	if (!tctx->dd) {
+		list_for_each_entry(tmp, &sham.dev_list, list) {
+			dd = tmp;
+			break;
+		}
+		tctx->dd = dd;
+	} else {
+		dd = tctx->dd;
+	}
+	spin_unlock_bh(&sham.lock);
+
+	ctx->dd = dd;
+
+	ctx->flags = 0;
+
+	ctx->flags |= FLAGS_FIRST;
+
+	dev_dbg(dd->dev, "init: digest size: %d\n",
+		crypto_ahash_digestsize(tfm));
+
+	if (crypto_ahash_digestsize(tfm) == SHA1_DIGEST_SIZE)
+		ctx->flags |= FLAGS_SHA1;
+
+	ctx->bufcnt = 0;
+	ctx->digcnt = 0;
+
+	ctx->buflen = PAGE_SIZE;
+	ctx->buffer = (void *)__get_free_page(
+				(req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
+				GFP_KERNEL : GFP_ATOMIC);
+	if (!ctx->buffer)
+		return -ENOMEM;
+
+	ctx->dma_addr = dma_map_single(dd->dev, ctx->buffer, ctx->buflen,
+					DMA_TO_DEVICE);
+	if (dma_mapping_error(dd->dev, ctx->dma_addr)) {
+		dev_err(dd->dev, "dma %u bytes error\n", ctx->buflen);
+		free_page((unsigned long)ctx->buffer);
+		return -EINVAL;
+	}
+
+	if (tctx->flags & FLAGS_HMAC) {
+		struct omap_sham_hmac_ctx *bctx = tctx->base;
+
+		memcpy(ctx->buffer, bctx->ipad, SHA1_MD5_BLOCK_SIZE);
+		ctx->bufcnt = SHA1_MD5_BLOCK_SIZE;
+		ctx->flags |= FLAGS_HMAC;
+	}
+
+	return 0;
+
+}
+
+static int omap_sham_update_req(struct omap_sham_dev *dd)
+{
+	struct ahash_request *req = dd->req;
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	int err;
+
+	dev_dbg(dd->dev, "update_req: total: %u, digcnt: %d, finup: %d\n",
+		 ctx->total, ctx->digcnt, (ctx->flags & FLAGS_FINUP) != 0);
+
+	if (ctx->flags & FLAGS_CPU)
+		err = omap_sham_update_cpu(dd);
+	else if (ctx->flags & FLAGS_FAST)
+		err = omap_sham_update_dma_fast(dd);
+	else
+		err = omap_sham_update_dma_slow(dd);
+
+	/* wait for dma completion before can take more data */
+	dev_dbg(dd->dev, "update: err: %d, digcnt: %d\n", err, ctx->digcnt);
+
+	return err;
+}
+
+static int omap_sham_final_req(struct omap_sham_dev *dd)
+{
+	struct ahash_request *req = dd->req;
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	int err = 0, use_dma = 1;
+
+	if (ctx->bufcnt <= 64)
+		/* faster to handle last block with cpu */
+		use_dma = 0;
+
+	if (use_dma)
+		err = omap_sham_xmit_dma(dd, ctx->dma_addr, ctx->bufcnt, 1);
+	else
+		err = omap_sham_xmit_cpu(dd, ctx->buffer, ctx->bufcnt, 1);
+
+	ctx->bufcnt = 0;
+
+	if (err != -EINPROGRESS)
+		omap_sham_cleanup(req);
+
+	dev_dbg(dd->dev, "final_req: err: %d\n", err);
+
+	return err;
+}
+
+static int omap_sham_finish_req_hmac(struct ahash_request *req)
+{
+	struct omap_sham_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
+	struct omap_sham_hmac_ctx *bctx = tctx->base;
+	int bs = crypto_shash_blocksize(bctx->shash);
+	int ds = crypto_shash_digestsize(bctx->shash);
+	struct {
+		struct shash_desc shash;
+		char ctx[crypto_shash_descsize(bctx->shash)];
+	} desc;
+
+	desc.shash.tfm = bctx->shash;
+	desc.shash.flags = 0; /* not CRYPTO_TFM_REQ_MAY_SLEEP */
+
+	return crypto_shash_init(&desc.shash) ?:
+	       crypto_shash_update(&desc.shash, bctx->opad, bs) ?:
+	       crypto_shash_finup(&desc.shash, req->result, ds, req->result);
+}
+
+static void omap_sham_finish_req(struct ahash_request *req, int err)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+
+	if (!err) {
+		omap_sham_copy_hash(ctx->dd->req, 1);
+		if (ctx->flags & FLAGS_HMAC)
+			err = omap_sham_finish_req_hmac(req);
+	}
+
+	if (ctx->flags & FLAGS_FINAL)
+		omap_sham_cleanup(req);
+
+	clear_bit(FLAGS_BUSY, &ctx->dd->flags);
+
+	if (req->base.complete)
+		req->base.complete(&req->base, err);
+}
+
+static int omap_sham_handle_queue(struct omap_sham_dev *dd)
+{
+	struct crypto_async_request *async_req, *backlog;
+	struct omap_sham_reqctx *ctx;
+	struct ahash_request *req, *prev_req;
+	unsigned long flags;
+	int err = 0;
+
+	if (test_and_set_bit(FLAGS_BUSY, &dd->flags))
+		return 0;
+
+	spin_lock_irqsave(&dd->lock, flags);
+	backlog = crypto_get_backlog(&dd->queue);
+	async_req = crypto_dequeue_request(&dd->queue);
+	if (!async_req)
+		clear_bit(FLAGS_BUSY, &dd->flags);
+	spin_unlock_irqrestore(&dd->lock, flags);
+
+	if (!async_req)
+		return 0;
+
+	if (backlog)
+		backlog->complete(backlog, -EINPROGRESS);
+
+	req = ahash_request_cast(async_req);
+
+	prev_req = dd->req;
+	dd->req = req;
+
+	ctx = ahash_request_ctx(req);
+
+	dev_dbg(dd->dev, "handling new req, op: %lu, nbytes: %d\n",
+						ctx->op, req->nbytes);
+
+	if (req != prev_req && ctx->digcnt)
+		/* request has changed - restore hash */
+		omap_sham_copy_hash(req, 0);
+
+	if (ctx->op == OP_UPDATE) {
+		err = omap_sham_update_req(dd);
+		if (err != -EINPROGRESS && (ctx->flags & FLAGS_FINUP))
+			/* no final() after finup() */
+			err = omap_sham_final_req(dd);
+	} else if (ctx->op == OP_FINAL) {
+		err = omap_sham_final_req(dd);
+	}
+
+	if (err != -EINPROGRESS) {
+		/* done_task will not finish it, so do it here */
+		omap_sham_finish_req(req, err);
+		tasklet_schedule(&dd->queue_task);
+	}
+
+	dev_dbg(dd->dev, "exit, err: %d\n", err);
+
+	return err;
+}
+
+static int omap_sham_enqueue(struct ahash_request *req, unsigned int op)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	struct omap_sham_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
+	struct omap_sham_dev *dd = tctx->dd;
+	unsigned long flags;
+	int err;
+
+	ctx->op = op;
+
+	spin_lock_irqsave(&dd->lock, flags);
+	err = ahash_enqueue_request(&dd->queue, req);
+	spin_unlock_irqrestore(&dd->lock, flags);
+
+	omap_sham_handle_queue(dd);
+
+	return err;
+}
+
+static int omap_sham_update(struct ahash_request *req)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+
+	if (!req->nbytes)
+		return 0;
+
+	ctx->total = req->nbytes;
+	ctx->sg = req->src;
+	ctx->offset = 0;
+
+	if (ctx->flags & FLAGS_FINUP) {
+		if ((ctx->digcnt + ctx->bufcnt + ctx->total) < 9) {
+			/*
+			* OMAP HW accel works only with buffers >= 9
+			* will switch to bypass in final()
+			* final has the same request and data
+			*/
+			omap_sham_append_sg(ctx);
+			return 0;
+		} else if (ctx->bufcnt + ctx->total <= 64) {
+			ctx->flags |= FLAGS_CPU;
+		} else if (!ctx->bufcnt && sg_is_last(ctx->sg)) {
+			/* may be can use faster functions */
+			int aligned = IS_ALIGNED((u32)ctx->sg->offset,
+								sizeof(u32));
+
+			if (aligned && (ctx->flags & FLAGS_FIRST))
+				/* digest: first and final */
+				ctx->flags |= FLAGS_FAST;
+
+			ctx->flags &= ~FLAGS_FIRST;
+		}
+	} else if (ctx->bufcnt + ctx->total <= ctx->buflen) {
+		/* if not finaup -> not fast */
+		omap_sham_append_sg(ctx);
+		return 0;
+	}
+
+	return omap_sham_enqueue(req, OP_UPDATE);
+}
+
+static int omap_sham_shash_digest(struct crypto_shash *shash, u32 flags,
+				  const u8 *data, unsigned int len, u8 *out)
+{
+	struct {
+		struct shash_desc shash;
+		char ctx[crypto_shash_descsize(shash)];
+	} desc;
+
+	desc.shash.tfm = shash;
+	desc.shash.flags = flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+
+	return crypto_shash_digest(&desc.shash, data, len, out);
+}
+
+static int omap_sham_final_shash(struct ahash_request *req)
+{
+	struct omap_sham_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+
+	return omap_sham_shash_digest(tctx->fallback, req->base.flags,
+				      ctx->buffer, ctx->bufcnt, req->result);
+}
+
+static int omap_sham_final(struct ahash_request *req)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	int err = 0;
+
+	ctx->flags |= FLAGS_FINUP;
+
+	/* OMAP HW accel works only with buffers >= 9 */
+	/* HMAC is always >= 9 because of ipad */
+	if ((ctx->digcnt + ctx->bufcnt) < 9)
+		err = omap_sham_final_shash(req);
+	else if (ctx->bufcnt)
+		return omap_sham_enqueue(req, OP_FINAL);
+
+	omap_sham_cleanup(req);
+
+	return err;
+}
+
+static int omap_sham_finup(struct ahash_request *req)
+{
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	int err1, err2;
+
+	ctx->flags |= FLAGS_FINUP;
+
+	err1 = omap_sham_update(req);
+	if (err1 == -EINPROGRESS)
+		return err1;
+	/*
+	 * final() has to be always called to cleanup resources
+	 * even if udpate() failed, except EINPROGRESS
+	 */
+	err2 = omap_sham_final(req);
+
+	return err1 ?: err2;
+}
+
+static int omap_sham_digest(struct ahash_request *req)
+{
+	return omap_sham_init(req) ?: omap_sham_finup(req);
+}
+
+static int omap_sham_setkey(struct crypto_ahash *tfm, const u8 *key,
+		      unsigned int keylen)
+{
+	struct omap_sham_ctx *tctx = crypto_ahash_ctx(tfm);
+	struct omap_sham_hmac_ctx *bctx = tctx->base;
+	int bs = crypto_shash_blocksize(bctx->shash);
+	int ds = crypto_shash_digestsize(bctx->shash);
+	int err, i;
+	err = crypto_shash_setkey(tctx->fallback, key, keylen);
+	if (err)
+		return err;
+
+	if (keylen > bs) {
+		err = omap_sham_shash_digest(bctx->shash,
+				crypto_shash_get_flags(bctx->shash),
+				key, keylen, bctx->ipad);
+		if (err)
+			return err;
+		keylen = ds;
+	} else {
+		memcpy(bctx->ipad, key, keylen);
+	}
+
+	memset(bctx->ipad + keylen, 0, bs - keylen);
+	memcpy(bctx->opad, bctx->ipad, bs);
+
+	for (i = 0; i < bs; i++) {
+		bctx->ipad[i] ^= 0x36;
+		bctx->opad[i] ^= 0x5c;
+	}
+
+	return err;
+}
+
+static int omap_sham_cra_init_alg(struct crypto_tfm *tfm, const char *alg_base)
+{
+	struct omap_sham_ctx *tctx = crypto_tfm_ctx(tfm);
+	const char *alg_name = crypto_tfm_alg_name(tfm);
+
+	/* Allocate a fallback and abort if it failed. */
+	tctx->fallback = crypto_alloc_shash(alg_name, 0,
+					    CRYPTO_ALG_NEED_FALLBACK);
+	if (IS_ERR(tctx->fallback)) {
+		pr_err("omap-sham: fallback driver '%s' "
+				"could not be loaded.\n", alg_name);
+		return PTR_ERR(tctx->fallback);
+	}
+
+	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+				 sizeof(struct omap_sham_reqctx));
+
+	if (alg_base) {
+		struct omap_sham_hmac_ctx *bctx = tctx->base;
+		tctx->flags |= FLAGS_HMAC;
+		bctx->shash = crypto_alloc_shash(alg_base, 0,
+						CRYPTO_ALG_NEED_FALLBACK);
+		if (IS_ERR(bctx->shash)) {
+			pr_err("omap-sham: base driver '%s' "
+					"could not be loaded.\n", alg_base);
+			crypto_free_shash(tctx->fallback);
+			return PTR_ERR(bctx->shash);
+		}
+
+	}
+
+	return 0;
+}
+
+static int omap_sham_cra_init(struct crypto_tfm *tfm)
+{
+	return omap_sham_cra_init_alg(tfm, NULL);
+}
+
+static int omap_sham_cra_sha1_init(struct crypto_tfm *tfm)
+{
+	return omap_sham_cra_init_alg(tfm, "sha1");
+}
+
+static int omap_sham_cra_md5_init(struct crypto_tfm *tfm)
+{
+	return omap_sham_cra_init_alg(tfm, "md5");
+}
+
+static void omap_sham_cra_exit(struct crypto_tfm *tfm)
+{
+	struct omap_sham_ctx *tctx = crypto_tfm_ctx(tfm);
+
+	crypto_free_shash(tctx->fallback);
+	tctx->fallback = NULL;
+
+	if (tctx->flags & FLAGS_HMAC) {
+		struct omap_sham_hmac_ctx *bctx = tctx->base;
+		crypto_free_shash(bctx->shash);
+	}
+}
+
+static struct ahash_alg algs[] = {
+{
+	.init		= omap_sham_init,
+	.update		= omap_sham_update,
+	.final		= omap_sham_final,
+	.finup		= omap_sham_finup,
+	.digest		= omap_sham_digest,
+	.halg.digestsize	= SHA1_DIGEST_SIZE,
+	.halg.base	= {
+		.cra_name		= "sha1",
+		.cra_driver_name	= "omap-sha1",
+		.cra_priority		= 100,
+		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_ASYNC |
+						CRYPTO_ALG_NEED_FALLBACK,
+		.cra_blocksize		= SHA1_BLOCK_SIZE,
+		.cra_ctxsize		= sizeof(struct omap_sham_ctx),
+		.cra_alignmask		= 0,
+		.cra_module		= THIS_MODULE,
+		.cra_init		= omap_sham_cra_init,
+		.cra_exit		= omap_sham_cra_exit,
+	}
+},
+{
+	.init		= omap_sham_init,
+	.update		= omap_sham_update,
+	.final		= omap_sham_final,
+	.finup		= omap_sham_finup,
+	.digest		= omap_sham_digest,
+	.halg.digestsize	= MD5_DIGEST_SIZE,
+	.halg.base	= {
+		.cra_name		= "md5",
+		.cra_driver_name	= "omap-md5",
+		.cra_priority		= 100,
+		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_ASYNC |
+						CRYPTO_ALG_NEED_FALLBACK,
+		.cra_blocksize		= SHA1_BLOCK_SIZE,
+		.cra_ctxsize		= sizeof(struct omap_sham_ctx),
+		.cra_alignmask		= 0,
+		.cra_module		= THIS_MODULE,
+		.cra_init		= omap_sham_cra_init,
+		.cra_exit		= omap_sham_cra_exit,
+	}
+},
+{
+	.init		= omap_sham_init,
+	.update		= omap_sham_update,
+	.final		= omap_sham_final,
+	.finup		= omap_sham_finup,
+	.digest		= omap_sham_digest,
+	.setkey		= omap_sham_setkey,
+	.halg.digestsize	= SHA1_DIGEST_SIZE,
+	.halg.base	= {
+		.cra_name		= "hmac(sha1)",
+		.cra_driver_name	= "omap-hmac-sha1",
+		.cra_priority		= 100,
+		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_ASYNC |
+						CRYPTO_ALG_NEED_FALLBACK,
+		.cra_blocksize		= SHA1_BLOCK_SIZE,
+		.cra_ctxsize		= sizeof(struct omap_sham_ctx) +
+					sizeof(struct omap_sham_hmac_ctx),
+		.cra_alignmask		= 0,
+		.cra_module		= THIS_MODULE,
+		.cra_init		= omap_sham_cra_sha1_init,
+		.cra_exit		= omap_sham_cra_exit,
+	}
+},
+{
+	.init		= omap_sham_init,
+	.update		= omap_sham_update,
+	.final		= omap_sham_final,
+	.finup		= omap_sham_finup,
+	.digest		= omap_sham_digest,
+	.setkey		= omap_sham_setkey,
+	.halg.digestsize	= MD5_DIGEST_SIZE,
+	.halg.base	= {
+		.cra_name		= "hmac(md5)",
+		.cra_driver_name	= "omap-hmac-md5",
+		.cra_priority		= 100,
+		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_ASYNC |
+						CRYPTO_ALG_NEED_FALLBACK,
+		.cra_blocksize		= SHA1_BLOCK_SIZE,
+		.cra_ctxsize		= sizeof(struct omap_sham_ctx) +
+					sizeof(struct omap_sham_hmac_ctx),
+		.cra_alignmask		= 0,
+		.cra_module		= THIS_MODULE,
+		.cra_init		= omap_sham_cra_md5_init,
+		.cra_exit		= omap_sham_cra_exit,
+	}
+}
+};
+
+static void omap_sham_done_task(unsigned long data)
+{
+	struct omap_sham_dev *dd = (struct omap_sham_dev *)data;
+	struct ahash_request *req = dd->req;
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+	int ready = 1;
+
+	if (ctx->flags & FLAGS_OUTPUT_READY) {
+		ctx->flags &= ~FLAGS_OUTPUT_READY;
+		ready = 1;
+	}
+
+	if (dd->flags & FLAGS_DMA_ACTIVE) {
+		dd->flags &= ~FLAGS_DMA_ACTIVE;
+		omap_sham_update_dma_stop(dd);
+		omap_sham_update_dma_slow(dd);
+	}
+
+	if (ready && !(dd->flags & FLAGS_DMA_ACTIVE)) {
+		dev_dbg(dd->dev, "update done\n");
+		/* finish curent request */
+		omap_sham_finish_req(req, 0);
+		/* start new request */
+		omap_sham_handle_queue(dd);
+	}
+}
+
+static void omap_sham_queue_task(unsigned long data)
+{
+	struct omap_sham_dev *dd = (struct omap_sham_dev *)data;
+
+	omap_sham_handle_queue(dd);
+}
+
+static irqreturn_t omap_sham_irq(int irq, void *dev_id)
+{
+	struct omap_sham_dev *dd = dev_id;
+	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+
+	if (!ctx) {
+		dev_err(dd->dev, "unknown interrupt.\n");
+		return IRQ_HANDLED;
+	}
+
+	if (unlikely(ctx->flags & FLAGS_FINAL))
+		/* final -> allow device to go to power-saving mode */
+		omap_sham_write_mask(dd, SHA_REG_CTRL, 0, SHA_REG_CTRL_LENGTH);
+
+	omap_sham_write_mask(dd, SHA_REG_CTRL, SHA_REG_CTRL_OUTPUT_READY,
+				 SHA_REG_CTRL_OUTPUT_READY);
+	omap_sham_read(dd, SHA_REG_CTRL);
+
+	ctx->flags |= FLAGS_OUTPUT_READY;
+	tasklet_schedule(&dd->done_task);
+
+	return IRQ_HANDLED;
+}
+
+static void omap_sham_dma_callback(int lch, u16 ch_status, void *data)
+{
+	struct omap_sham_dev *dd = data;
+
+	if (likely(lch == dd->dma_lch))
+		tasklet_schedule(&dd->done_task);
+}
+
+static int omap_sham_dma_init(struct omap_sham_dev *dd)
+{
+	int err;
+
+	dd->dma_lch = -1;
+
+	err = omap_request_dma(dd->dma, dev_name(dd->dev),
+			omap_sham_dma_callback, dd, &dd->dma_lch);
+	if (err) {
+		dev_err(dd->dev, "Unable to request DMA channel\n");
+		return err;
+	}
+	omap_set_dma_dest_params(dd->dma_lch, 0,
+			OMAP_DMA_AMODE_CONSTANT,
+			dd->phys_base + SHA_REG_DIN(0), 0, 16);
+
+	omap_set_dma_dest_burst_mode(dd->dma_lch,
+			OMAP_DMA_DATA_BURST_16);
+
+	return 0;
+}
+
+static void omap_sham_dma_cleanup(struct omap_sham_dev *dd)
+{
+	if (dd->dma_lch >= 0) {
+		omap_free_dma(dd->dma_lch);
+		dd->dma_lch = -1;
+	}
+}
+
+static int __devinit omap_sham_probe(struct platform_device *pdev)
+{
+	struct omap_sham_dev *dd;
+	struct device *dev = &pdev->dev;
+	struct resource *res;
+	int err, i, j;
+
+	dd = kzalloc(sizeof(struct omap_sham_dev), GFP_KERNEL);
+	if (dd == NULL) {
+		dev_err(dev, "unable to alloc data struct.\n");
+		err = -ENOMEM;
+		goto data_err;
+	}
+	dd->dev = dev;
+	platform_set_drvdata(pdev, dd);
+
+	INIT_LIST_HEAD(&dd->list);
+	spin_lock_init(&dd->lock);
+	tasklet_init(&dd->done_task, omap_sham_done_task, (unsigned long)dd);
+	tasklet_init(&dd->queue_task, omap_sham_queue_task, (unsigned long)dd);
+	crypto_init_queue(&dd->queue, OMAP_SHAM_QUEUE_LENGTH);
+
+	dd->irq = -1;
+
+	/* Get the base address */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(dev, "no MEM resource info\n");
+		err = -ENODEV;
+		goto res_err;
+	}
+	dd->phys_base = res->start;
+
+	/* Get the DMA */
+	res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+	if (!res) {
+		dev_err(dev, "no DMA resource info\n");
+		err = -ENODEV;
+		goto res_err;
+	}
+	dd->dma = res->start;
+
+	/* Get the IRQ */
+	dd->irq = platform_get_irq(pdev,  0);
+	if (dd->irq < 0) {
+		dev_err(dev, "no IRQ resource info\n");
+		err = dd->irq;
+		goto res_err;
+	}
+
+	err = request_irq(dd->irq, omap_sham_irq,
+			IRQF_TRIGGER_LOW, dev_name(dev), dd);
+	if (err) {
+		dev_err(dev, "unable to request irq.\n");
+		goto res_err;
+	}
+
+	err = omap_sham_dma_init(dd);
+	if (err)
+		goto dma_err;
+
+	/* Initializing the clock */
+	dd->iclk = clk_get(dev, "ick");
+	if (!dd->iclk) {
+		dev_err(dev, "clock intialization failed.\n");
+		err = -ENODEV;
+		goto clk_err;
+	}
+
+	dd->io_base = ioremap(dd->phys_base, SZ_4K);
+	if (!dd->io_base) {
+		dev_err(dev, "can't ioremap\n");
+		err = -ENOMEM;
+		goto io_err;
+	}
+
+	clk_enable(dd->iclk);
+	dev_info(dev, "hw accel on OMAP rev %u.%u\n",
+		(omap_sham_read(dd, SHA_REG_REV) & SHA_REG_REV_MAJOR) >> 4,
+		omap_sham_read(dd, SHA_REG_REV) & SHA_REG_REV_MINOR);
+	clk_disable(dd->iclk);
+
+	spin_lock(&sham.lock);
+	list_add_tail(&dd->list, &sham.dev_list);
+	spin_unlock(&sham.lock);
+
+	for (i = 0; i < ARRAY_SIZE(algs); i++) {
+		err = crypto_register_ahash(&algs[i]);
+		if (err)
+			goto err_algs;
+	}
+
+	return 0;
+
+err_algs:
+	for (j = 0; j < i; j++)
+		crypto_unregister_ahash(&algs[j]);
+	iounmap(dd->io_base);
+io_err:
+	clk_put(dd->iclk);
+clk_err:
+	omap_sham_dma_cleanup(dd);
+dma_err:
+	if (dd->irq >= 0)
+		free_irq(dd->irq, dd);
+res_err:
+	kfree(dd);
+	dd = NULL;
+data_err:
+	dev_err(dev, "initialization failed.\n");
+
+	return err;
+}
+
+static int __devexit omap_sham_remove(struct platform_device *pdev)
+{
+	static struct omap_sham_dev *dd;
+	int i;
+
+	dd = platform_get_drvdata(pdev);
+	if (!dd)
+		return -ENODEV;
+	spin_lock(&sham.lock);
+	list_del(&dd->list);
+	spin_unlock(&sham.lock);
+	for (i = 0; i < ARRAY_SIZE(algs); i++)
+		crypto_unregister_ahash(&algs[i]);
+	tasklet_kill(&dd->done_task);
+	tasklet_kill(&dd->queue_task);
+	iounmap(dd->io_base);
+	clk_put(dd->iclk);
+	omap_sham_dma_cleanup(dd);
+	if (dd->irq >= 0)
+		free_irq(dd->irq, dd);
+	kfree(dd);
+	dd = NULL;
+
+	return 0;
+}
+
+static struct platform_driver omap_sham_driver = {
+	.probe	= omap_sham_probe,
+	.remove	= omap_sham_remove,
+	.driver	= {
+		.name	= "omap-sham",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init omap_sham_mod_init(void)
+{
+	pr_info("loading %s driver\n", "omap-sham");
+
+	if (!cpu_class_is_omap2() ||
+		omap_type() != OMAP2_DEVICE_TYPE_SEC) {
+		pr_err("Unsupported cpu\n");
+		return -ENODEV;
+	}
+
+	return platform_driver_register(&omap_sham_driver);
+}
+
+static void __exit omap_sham_mod_exit(void)
+{
+	platform_driver_unregister(&omap_sham_driver);
+}
+
+module_init(omap_sham_mod_init);
+module_exit(omap_sham_mod_exit);
+
+MODULE_DESCRIPTION("OMAP SHA1/MD5 hw acceleration support.");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Dmitry Kasatkin");

From 97e3d94aac1c3e95bd04d1b186479a4df3663ab8 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Thu, 29 Apr 2010 14:37:32 +0200
Subject: [PATCH 0648/3638] padata: Dont scale the parallel objects with the
 cpus

Scaling the maximum number of objects in the parallel
codepath can lead to out of memory problems on bigsmp
machines.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 kernel/padata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 0282478bc58..5085046d83f 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -28,7 +28,7 @@
 #include <linux/rcupdate.h>
 
 #define MAX_SEQ_NR INT_MAX - NR_CPUS
-#define MAX_OBJ_NUM 10000 * NR_CPUS
+#define MAX_OBJ_NUM 1000
 
 static int padata_index_to_cpu(struct parallel_data *pd, int cpu_index)
 {

From e2cb2f1c2ccf19914e941859c07558ba5f8a4610 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Thu, 29 Apr 2010 14:40:10 +0200
Subject: [PATCH 0649/3638] padata: cpu hotplug code should depend on
 CONFIG_HOTPLUG_CPU

This patch makes the padata cpu hotplug code dependend on CONFIG_HOTPLUG_CPU.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 kernel/padata.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 5b44d0fa358..1209a17b971 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -570,6 +570,7 @@ void padata_stop(struct padata_instance *pinst)
 }
 EXPORT_SYMBOL(padata_stop);
 
+#ifdef CONFIG_HOTPLUG_CPU
 static int padata_cpu_callback(struct notifier_block *nfb,
 			       unsigned long action, void *hcpu)
 {
@@ -621,6 +622,7 @@ static int padata_cpu_callback(struct notifier_block *nfb,
 
 	return NOTIFY_OK;
 }
+#endif
 
 /*
  * padata_alloc - allocate and initialize a padata instance
@@ -631,7 +633,6 @@ static int padata_cpu_callback(struct notifier_block *nfb,
 struct padata_instance *padata_alloc(const struct cpumask *cpumask,
 				     struct workqueue_struct *wq)
 {
-	int err;
 	struct padata_instance *pinst;
 	struct parallel_data *pd;
 
@@ -654,18 +655,16 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
 
 	pinst->flags = 0;
 
+#ifdef CONFIG_HOTPLUG_CPU
 	pinst->cpu_notifier.notifier_call = padata_cpu_callback;
 	pinst->cpu_notifier.priority = 0;
-	err = register_hotcpu_notifier(&pinst->cpu_notifier);
-	if (err)
-		goto err_free_cpumask;
+	register_hotcpu_notifier(&pinst->cpu_notifier);
+#endif
 
 	mutex_init(&pinst->lock);
 
 	return pinst;
 
-err_free_cpumask:
-	free_cpumask_var(pinst->cpumask);
 err_free_pd:
 	padata_free_pd(pd);
 err_free_inst:
@@ -689,7 +688,9 @@ void padata_free(struct padata_instance *pinst)
 	while (atomic_read(&pinst->pd->refcnt) != 0)
 		yield();
 
+#ifdef CONFIG_HOTPLUG_CPU
 	unregister_hotcpu_notifier(&pinst->cpu_notifier);
+#endif
 	padata_free_pd(pinst->pd);
 	free_cpumask_var(pinst->cpumask);
 	kfree(pinst);

From 7d0d2d385ca7cc511f7d1c64735a1b4aaefd9a1b Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Thu, 29 Apr 2010 14:40:53 +0200
Subject: [PATCH 0650/3638] padata: Remove superfluous might_sleep

might_sleep() was placed before mutex_lock() in some places.
We remove them because mutex_lock() does might_sleep() too.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 kernel/padata.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 1209a17b971..5fa6ba6f11b 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -443,8 +443,6 @@ int padata_set_cpumask(struct padata_instance *pinst,
 	struct parallel_data *pd;
 	int err = 0;
 
-	might_sleep();
-
 	mutex_lock(&pinst->lock);
 
 	pd = padata_alloc_pd(pinst, cpumask);
@@ -489,8 +487,6 @@ int padata_add_cpu(struct padata_instance *pinst, int cpu)
 {
 	int err;
 
-	might_sleep();
-
 	mutex_lock(&pinst->lock);
 
 	cpumask_set_cpu(cpu, pinst->cpumask);
@@ -527,8 +523,6 @@ int padata_remove_cpu(struct padata_instance *pinst, int cpu)
 {
 	int err;
 
-	might_sleep();
-
 	mutex_lock(&pinst->lock);
 
 	cpumask_clear_cpu(cpu, pinst->cpumask);
@@ -547,8 +541,6 @@ EXPORT_SYMBOL(padata_remove_cpu);
  */
 void padata_start(struct padata_instance *pinst)
 {
-	might_sleep();
-
 	mutex_lock(&pinst->lock);
 	pinst->flags |= PADATA_INIT;
 	mutex_unlock(&pinst->lock);
@@ -562,8 +554,6 @@ EXPORT_SYMBOL(padata_start);
  */
 void padata_stop(struct padata_instance *pinst)
 {
-	might_sleep();
-
 	mutex_lock(&pinst->lock);
 	pinst->flags &= ~PADATA_INIT;
 	mutex_unlock(&pinst->lock);

From 7b389b2cc539dc2dc60b049240942be54958c93a Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Thu, 29 Apr 2010 14:41:36 +0200
Subject: [PATCH 0651/3638] padata: Initialize the padata queues only for the
 used cpus

padata_alloc_pd set up queues for all possible cpus.
This patch changes this to set up the queues just for
the used cpus.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 kernel/padata.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 5fa6ba6f11b..fc9f19a00ae 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -358,17 +358,15 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
 	if (!alloc_cpumask_var(&pd->cpumask, GFP_KERNEL))
 		goto err_free_queue;
 
-	for_each_possible_cpu(cpu) {
+	cpumask_and(pd->cpumask, cpumask, cpu_active_mask);
+
+	for_each_cpu(cpu, pd->cpumask) {
 		queue = per_cpu_ptr(pd->queue, cpu);
 
 		queue->pd = pd;
 
-		if (cpumask_test_cpu(cpu, cpumask)
-		    && cpumask_test_cpu(cpu, cpu_active_mask)) {
-			queue->cpu_index = cpu_index;
-			cpu_index++;
-		} else
-			queue->cpu_index = -1;
+		queue->cpu_index = cpu_index;
+		cpu_index++;
 
 		INIT_LIST_HEAD(&queue->reorder.list);
 		INIT_LIST_HEAD(&queue->parallel.list);
@@ -382,8 +380,6 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
 		atomic_set(&queue->num_obj, 0);
 	}
 
-	cpumask_and(pd->cpumask, cpumask, cpu_active_mask);
-
 	num_cpus = cpumask_weight(pd->cpumask);
 	pd->max_seq_nr = (MAX_SEQ_NR / num_cpus) * num_cpus - 1;
 

From 6751fb3c0e0cfcc40a1a0acabca97370c9ec6c6b Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Thu, 29 Apr 2010 14:42:30 +0200
Subject: [PATCH 0652/3638] padata: Use get_online_cpus/put_online_cpus

This patch puts get_online_cpus/put_online_cpus around the places
we modify the padata cpumask to ensure that no cpu goes offline
during this operation.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 kernel/padata.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/kernel/padata.c b/kernel/padata.c
index fc9f19a00ae..82958e01564 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -441,6 +441,8 @@ int padata_set_cpumask(struct padata_instance *pinst,
 
 	mutex_lock(&pinst->lock);
 
+	get_online_cpus();
+
 	pd = padata_alloc_pd(pinst, cpumask);
 	if (!pd) {
 		err = -ENOMEM;
@@ -452,6 +454,8 @@ int padata_set_cpumask(struct padata_instance *pinst,
 	padata_replace(pinst, pd);
 
 out:
+	put_online_cpus();
+
 	mutex_unlock(&pinst->lock);
 
 	return err;
@@ -485,8 +489,10 @@ int padata_add_cpu(struct padata_instance *pinst, int cpu)
 
 	mutex_lock(&pinst->lock);
 
+	get_online_cpus();
 	cpumask_set_cpu(cpu, pinst->cpumask);
 	err = __padata_add_cpu(pinst, cpu);
+	put_online_cpus();
 
 	mutex_unlock(&pinst->lock);
 
@@ -521,8 +527,10 @@ int padata_remove_cpu(struct padata_instance *pinst, int cpu)
 
 	mutex_lock(&pinst->lock);
 
+	get_online_cpus();
 	cpumask_clear_cpu(cpu, pinst->cpumask);
 	err = __padata_remove_cpu(pinst, cpu);
+	put_online_cpus();
 
 	mutex_unlock(&pinst->lock);
 
@@ -626,6 +634,8 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
 	if (!pinst)
 		goto err;
 
+	get_online_cpus();
+
 	pd = padata_alloc_pd(pinst, cpumask);
 	if (!pd)
 		goto err_free_inst;
@@ -647,6 +657,8 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
 	register_hotcpu_notifier(&pinst->cpu_notifier);
 #endif
 
+	put_online_cpus();
+
 	mutex_init(&pinst->lock);
 
 	return pinst;
@@ -655,6 +667,7 @@ err_free_pd:
 	padata_free_pd(pd);
 err_free_inst:
 	kfree(pinst);
+	put_online_cpus();
 err:
 	return NULL;
 }

From 70d38b9625edba52a809308427f78831c3963f52 Mon Sep 17 00:00:00 2001
From: Kevin Cernekee <cernekee@gmail.com>
Date: Tue, 13 Apr 2010 13:30:12 -0700
Subject: [PATCH 0653/3638] UBI: remove reboot notifier

The UBI reboot notifier causes problems with hibernation.  Move this
functionality into the low-level MTD driver instead.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 drivers/mtd/ubi/build.c | 35 -----------------------------------
 drivers/mtd/ubi/ubi.h   |  2 --
 2 files changed, 37 deletions(-)

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 55c726dde94..3a59a1d0045 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -42,7 +42,6 @@
 #include <linux/miscdevice.h>
 #include <linux/log2.h>
 #include <linux/kthread.h>
-#include <linux/reboot.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include "ubi.h"
@@ -831,34 +830,6 @@ static int autoresize(struct ubi_device *ubi, int vol_id)
 	return 0;
 }
 
-/**
- * ubi_reboot_notifier - halt UBI transactions immediately prior to a reboot.
- * @n: reboot notifier object
- * @state: SYS_RESTART, SYS_HALT, or SYS_POWER_OFF
- * @cmd: pointer to command string for RESTART2
- *
- * This function stops the UBI background thread so that the flash device
- * remains quiescent when Linux restarts the system. Any queued work will be
- * discarded, but this function will block until do_work() finishes if an
- * operation is already in progress.
- *
- * This function solves a real-life problem observed on NOR flashes when an
- * PEB erase operation starts, then the system is rebooted before the erase is
- * finishes, and the boot loader gets confused and dies. So we prefer to finish
- * the ongoing operation before rebooting.
- */
-static int ubi_reboot_notifier(struct notifier_block *n, unsigned long state,
-			       void *cmd)
-{
-	struct ubi_device *ubi;
-
-	ubi = container_of(n, struct ubi_device, reboot_notifier);
-	if (ubi->bgt_thread)
-		kthread_stop(ubi->bgt_thread);
-	ubi_sync(ubi->ubi_num);
-	return NOTIFY_DONE;
-}
-
 /**
  * ubi_attach_mtd_dev - attach an MTD device.
  * @mtd: MTD device description object
@@ -1016,11 +987,6 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset)
 	wake_up_process(ubi->bgt_thread);
 	spin_unlock(&ubi->wl_lock);
 
-	/* Flash device priority is 0 - UBI needs to shut down first */
-	ubi->reboot_notifier.priority = 1;
-	ubi->reboot_notifier.notifier_call = ubi_reboot_notifier;
-	register_reboot_notifier(&ubi->reboot_notifier);
-
 	ubi_devices[ubi_num] = ubi;
 	ubi_notify_all(ubi, UBI_VOLUME_ADDED, NULL);
 	return ubi_num;
@@ -1091,7 +1057,6 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
 	 * Before freeing anything, we have to stop the background thread to
 	 * prevent it from doing anything on this device while we are freeing.
 	 */
-	unregister_reboot_notifier(&ubi->reboot_notifier);
 	if (ubi->bgt_thread)
 		kthread_stop(ubi->bgt_thread);
 
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 5176d488651..a637f0283ad 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -350,7 +350,6 @@ struct ubi_wl_entry;
  * @bgt_thread: background thread description object
  * @thread_enabled: if the background thread is enabled
  * @bgt_name: background thread name
- * @reboot_notifier: notifier to terminate background thread before rebooting
  *
  * @flash_size: underlying MTD device size (in bytes)
  * @peb_count: count of physical eraseblocks on the MTD device
@@ -436,7 +435,6 @@ struct ubi_device {
 	struct task_struct *bgt_thread;
 	int thread_enabled;
 	char bgt_name[sizeof(UBI_BGT_NAME_PATTERN)+2];
-	struct notifier_block reboot_notifier;
 
 	/* I/O sub-system's stuff */
 	long long flash_size;

From 0f3942a39ed768c967cb71ea0e9be7fc94112713 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Mon, 3 May 2010 14:28:55 +0200
Subject: [PATCH 0654/3638] block: kill some useless goto's in blk-cgroup.c

goto has its place, but lets cut back on some of the more
frivolous uses of it.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-cgroup.c | 86 ++++++++++++++++++++++------------------------
 1 file changed, 41 insertions(+), 45 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index d02bbf88de1..60bb049b610 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -376,17 +376,16 @@ int blkiocg_del_blkio_group(struct blkio_group *blkg)
 
 	rcu_read_lock();
 	css = css_lookup(&blkio_subsys, blkg->blkcg_id);
-	if (!css)
-		goto out;
-
-	blkcg = container_of(css, struct blkio_cgroup, css);
-	spin_lock_irqsave(&blkcg->lock, flags);
-	if (!hlist_unhashed(&blkg->blkcg_node)) {
-		__blkiocg_del_blkio_group(blkg);
-		ret = 0;
+	if (css) {
+		blkcg = container_of(css, struct blkio_cgroup, css);
+		spin_lock_irqsave(&blkcg->lock, flags);
+		if (!hlist_unhashed(&blkg->blkcg_node)) {
+			__blkiocg_del_blkio_group(blkg);
+			ret = 0;
+		}
+		spin_unlock_irqrestore(&blkcg->lock, flags);
 	}
-	spin_unlock_irqrestore(&blkcg->lock, flags);
-out:
+
 	rcu_read_unlock();
 	return ret;
 }
@@ -815,17 +814,15 @@ static int blkiocg_weight_device_read(struct cgroup *cgrp, struct cftype *cft,
 	seq_printf(m, "dev\tweight\n");
 
 	blkcg = cgroup_to_blkio_cgroup(cgrp);
-	if (list_empty(&blkcg->policy_list))
-		goto out;
-
-	spin_lock_irq(&blkcg->lock);
-	list_for_each_entry(pn, &blkcg->policy_list, node) {
-		seq_printf(m, "%u:%u\t%u\n", MAJOR(pn->dev),
-			   MINOR(pn->dev), pn->weight);
+	if (!list_empty(&blkcg->policy_list)) {
+		spin_lock_irq(&blkcg->lock);
+		list_for_each_entry(pn, &blkcg->policy_list, node) {
+			seq_printf(m, "%u:%u\t%u\n", MAJOR(pn->dev),
+				   MINOR(pn->dev), pn->weight);
+		}
+		spin_unlock_irq(&blkcg->lock);
 	}
-	spin_unlock_irq(&blkcg->lock);
 
-out:
 	return 0;
 }
 
@@ -917,40 +914,39 @@ static void blkiocg_destroy(struct cgroup_subsys *subsys, struct cgroup *cgroup)
 	struct blkio_policy_node *pn, *pntmp;
 
 	rcu_read_lock();
-remove_entry:
-	spin_lock_irqsave(&blkcg->lock, flags);
+	do {
+		spin_lock_irqsave(&blkcg->lock, flags);
+
+		if (hlist_empty(&blkcg->blkg_list)) {
+			spin_unlock_irqrestore(&blkcg->lock, flags);
+			break;
+		}
+
+		blkg = hlist_entry(blkcg->blkg_list.first, struct blkio_group,
+					blkcg_node);
+		key = rcu_dereference(blkg->key);
+		__blkiocg_del_blkio_group(blkg);
 
-	if (hlist_empty(&blkcg->blkg_list)) {
 		spin_unlock_irqrestore(&blkcg->lock, flags);
-		goto done;
-	}
 
-	blkg = hlist_entry(blkcg->blkg_list.first, struct blkio_group,
-				blkcg_node);
-	key = rcu_dereference(blkg->key);
-	__blkiocg_del_blkio_group(blkg);
+		/*
+		 * This blkio_group is being unlinked as associated cgroup is
+		 * going away. Let all the IO controlling policies know about
+		 * this event. Currently this is static call to one io
+		 * controlling policy. Once we have more policies in place, we
+		 * need some dynamic registration of callback function.
+		 */
+		spin_lock(&blkio_list_lock);
+		list_for_each_entry(blkiop, &blkio_list, list)
+			blkiop->ops.blkio_unlink_group_fn(key, blkg);
+		spin_unlock(&blkio_list_lock);
+	} while (1);
 
-	spin_unlock_irqrestore(&blkcg->lock, flags);
-
-	/*
-	 * This blkio_group is being unlinked as associated cgroup is going
-	 * away. Let all the IO controlling policies know about this event.
-	 *
-	 * Currently this is static call to one io controlling policy. Once
-	 * we have more policies in place, we need some dynamic registration
-	 * of callback function.
-	 */
-	spin_lock(&blkio_list_lock);
-	list_for_each_entry(blkiop, &blkio_list, list)
-		blkiop->ops.blkio_unlink_group_fn(key, blkg);
-	spin_unlock(&blkio_list_lock);
-	goto remove_entry;
-
-done:
 	list_for_each_entry_safe(pn, pntmp, &blkcg->policy_list, node) {
 		blkio_policy_delete_node(pn);
 		kfree(pn);
 	}
+
 	free_css_id(&blkio_subsys, &blkcg->css);
 	rcu_read_unlock();
 	if (blkcg != &blkio_root_cgroup)

From 282f152219020c14064efa78374309e1df6a23a2 Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Fri, 30 Apr 2010 15:48:23 -0500
Subject: [PATCH 0655/3638] mxc: Update GPIO for USB support on Freescale MX51
 Babbage HW

This patch is part of enabling USB for Freescale MX51 Babbage HW. This
patch updates the iomux pins for USB, and gpio line for reset the
USB hub on the MX51 Babbage HW.

This patch applies to 2.6.34-rc6.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/plat-mxc/include/mach/iomux-mx51.h | 33 +++++++++++++--------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx51.h b/arch/arm/plat-mxc/include/mach/iomux-mx51.h
index b4f975e6a66..80528cc3b55 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx51.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx51.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
  *
  * The code contained herein is licensed under the GNU General Public
  * License. You may obtain a copy of the GNU General Public License
@@ -37,6 +38,11 @@ typedef enum iomux_config {
 				PAD_CTL_SRE_FAST)
 #define MX51_UART3_PAD_CTRL	(PAD_CTL_PKE | PAD_CTL_DSE_HIGH | \
 				PAD_CTL_SRE_FAST)
+#define MX51_USBH1_PAD_CTRL	(PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
+				PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
+				PAD_CTL_PKE | PAD_CTL_HYS)
+#define MX51_GPIO_PAD_CTRL		(PAD_CTL_DSE_HIGH | PAD_CTL_PKE | \
+				PAD_CTL_SRE_FAST)
 
 /*
  * The naming convention for the pad modes is MX51_PAD_<padname>__<padmode>
@@ -208,18 +214,19 @@ typedef enum iomux_config {
 #define MX51_PAD_KEY_COL3__KEY_COL3	IOMUX_PAD(0x658, 0x268, 0, 0x0, 0, NO_PAD_CTRL)
 #define MX51_PAD_KEY_COL4__KEY_COL4	IOMUX_PAD(0x65C, 0x26C, 0, 0x0, 0, NO_PAD_CTRL)
 #define MX51_PAD_KEY_COL5__KEY_COL5	IOMUX_PAD(0x660, 0x270, 0, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_25__USBH1_CLK	IOMUX_PAD(0x678, 0x278, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_26__USBH1_DIR	IOMUX_PAD(0x67C, 0x27C, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_27__USBH1_STP	IOMUX_PAD(0x680, 0x280, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_28__USBH1_NXT	IOMUX_PAD(0x684, 0x284, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_11__USBH1_DATA0	IOMUX_PAD(0x688, 0x288, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_12__USBH1_DATA1	IOMUX_PAD(0x68C, 0x28C, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_13__USBH1_DATA2	IOMUX_PAD(0x690, 0x290, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_14__USBH1_DATA3	IOMUX_PAD(0x694, 0x294, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_15__USBH1_DATA4	IOMUX_PAD(0x698, 0x298, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_16__USBH1_DATA5	IOMUX_PAD(0x69C, 0x29C, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_17__USBH1_DATA6	IOMUX_PAD(0x6A0, 0x2A0, 2, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_18__USBH1_DATA7	IOMUX_PAD(0x6A4, 0x2A4, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_USBH1_CLK__USBH1_CLK	IOMUX_PAD(0x678, 0x278, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DIR__USBH1_DIR	IOMUX_PAD(0x67C, 0x27C, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_STP__USBH1_STP	IOMUX_PAD(0x680, 0x280, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_STP__GPIO_1_27	IOMUX_PAD(0x680, 0x280, IOMUX_CONFIG_GPIO, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_NXT__USBH1_NXT	IOMUX_PAD(0x684, 0x284, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DATA0__USBH1_DATA0	IOMUX_PAD(0x688, 0x288, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DATA1__USBH1_DATA1	IOMUX_PAD(0x68C, 0x28C, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DATA2__USBH1_DATA2	IOMUX_PAD(0x690, 0x290, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DATA3__USBH1_DATA3	IOMUX_PAD(0x694, 0x294, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DATA4__USBH1_DATA4	IOMUX_PAD(0x698, 0x298, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DATA5__USBH1_DATA5	IOMUX_PAD(0x69C, 0x29C, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DATA6__USBH1_DATA6	IOMUX_PAD(0x6A0, 0x2A0, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
+#define MX51_PAD_USBH1_DATA7__USBH1_DATA7	IOMUX_PAD(0x6A4, 0x2A4, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL)
 #define MX51_PAD_GPIO_3_0__DI1_PIN11	IOMUX_PAD(0x6A8, 0x2A8, 4, 0x0, 0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_3_1__DI1_PIN12	IOMUX_PAD(0x6AC, 0x2AC, 4, 0x0, 0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_3_2__DI1_PIN13	IOMUX_PAD(0x6B0, 0x2B0, 4, 0x0, 0, NO_PAD_CTRL)
@@ -299,7 +306,7 @@ typedef enum iomux_config {
 #define MX51_PAD_GPIO_1_4__GPIO1_4	IOMUX_PAD(0x804, 0x3D8, 0, 0x0, 0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_1_5__GPIO1_5	IOMUX_PAD(0x808, 0x3DC, 0, 0x0, 0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_1_6__GPIO1_6	IOMUX_PAD(0x80C, 0x3E0, 0, 0x0, 0, NO_PAD_CTRL)
-#define MX51_PAD_GPIO_1_7__GPIO1_7	IOMUX_PAD(0x810, 0x3E4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_7__GPIO1_7	IOMUX_PAD(0x810, 0x3E4, 0, 0x0, 0, MX51_GPIO_PAD_CTRL)
 #define MX51_PAD_GPIO_1_8__GPIO1_8	IOMUX_PAD(0x814, 0x3E8, 0, 0x0, 1, \
 						(PAD_CTL_SRE_SLOW | PAD_CTL_DSE_MED | PAD_CTL_PUS_100K_UP |  PAD_CTL_HYS))
 #define MX51_PAD_GPIO_1_9__GPIO1_9	IOMUX_PAD(0x818, 0x3EC, 0, 0x0, 0, NO_PAD_CTRL)

From c53bdf1c4488ce196e9a0056285e7b4a36f6f76a Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Fri, 30 Apr 2010 15:48:24 -0500
Subject: [PATCH 0656/3638] mx5: Add USB device definitions for Freescale MX51
 Babbage HW

This patch is part of enabling USB for Freescale MX51 Babbage HW. This
patch adds device structures for USB Host1 and OTG port, and adds
clocking information for USB HW.

This patch applies to 2.6.34-rc6.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/clock-mx51.c |  8 ++++++
 arch/arm/mach-mx5/devices.c    | 49 ++++++++++++++++++++++++++++++++++
 arch/arm/mach-mx5/devices.h    |  2 ++
 3 files changed, 59 insertions(+)

diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
index 8f85f73b83a..dcca330addc 100644
--- a/arch/arm/mach-mx5/clock-mx51.c
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -761,6 +761,10 @@ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET,
 DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET,
 	NULL,  NULL, &ipg_clk, NULL);
 
+/* USB */
+DEFINE_CLOCK(usboh3_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG14_OFFSET,
+	NULL, NULL, &pll3_sw_clk, NULL);
+
 /* FEC */
 DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET,
 	NULL,  NULL, &ipg_clk, NULL);
@@ -778,6 +782,10 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
 	_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
 	_REGISTER_CLOCK("fec.0", NULL, fec_clk)
+	_REGISTER_CLOCK("mxc-ehci.0", "usb", usboh3_clk)
+	_REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", ahb_clk)
+	_REGISTER_CLOCK("mxc-ehci.1", "usb", usboh3_clk)
+	_REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", ahb_clk)
 };
 
 static void clk_tree_init(void)
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index 5070ae1f94c..e6262f31ed8 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
 #include <linux/gpio.h>
 #include <mach/hardware.h>
 #include <mach/imx-uart.h>
@@ -92,6 +93,54 @@ struct platform_device mxc_fec_device = {
 	.resource = mxc_fec_resources,
 };
 
+static u64 usb_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource usbotg_resources[] = {
+	{
+		.start = MX51_OTG_BASE_ADDR,
+		.end = MX51_OTG_BASE_ADDR + 0x1ff,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = MX51_MXC_INT_USB_OTG,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_usbdr_host_device = {
+	.name = "mxc-ehci",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(usbotg_resources),
+	.resource = usbotg_resources,
+	.dev = {
+		.dma_mask = &usb_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+static struct resource usbh1_resources[] = {
+	{
+		.start = MX51_OTG_BASE_ADDR + 0x200,
+		.end = MX51_OTG_BASE_ADDR + 0x200 + 0x1ff,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = MX51_MXC_INT_USB_H1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_usbh1_device = {
+	.name = "mxc-ehci",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(usbh1_resources),
+	.resource = usbh1_resources,
+	.dev = {
+		.dma_mask = &usb_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
 static struct mxc_gpio_port mxc_gpio_ports[] = {
 	{
 		.chip.label = "gpio-0",
diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
index f339ab8c19b..95c45f9e46c 100644
--- a/arch/arm/mach-mx5/devices.h
+++ b/arch/arm/mach-mx5/devices.h
@@ -2,3 +2,5 @@ extern struct platform_device mxc_uart_device0;
 extern struct platform_device mxc_uart_device1;
 extern struct platform_device mxc_uart_device2;
 extern struct platform_device mxc_fec_device;
+extern struct platform_device mxc_usbdr_host_device;
+extern struct platform_device mxc_usbh1_device;

From 231637f5f2c7f3795d1b0c9b59fda27a23ffdc3e Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Fri, 30 Apr 2010 15:48:25 -0500
Subject: [PATCH 0657/3638] mx5: Enable board specific functions for enabling
 USB host on Babbage

This patch enables USB host functionality for Host1 and OTG port on
Freescale MX51 Babbage HW. This patch contains the board specific
HW initialization of the USB HW.

This patch applies to 2.6.34-rc6.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Reviewed-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/board-mx51_babbage.c | 129 +++++++++++++++++++++++++
 1 file changed, 129 insertions(+)

diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index ee67a71db80..99f7ea903a5 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -12,11 +12,15 @@
 
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/io.h>
 
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx51.h>
+#include <mach/mxc_ehci.h>
 
 #include <asm/irq.h>
 #include <asm/setup.h>
@@ -26,6 +30,17 @@
 
 #include "devices.h"
 
+#define BABBAGE_USB_HUB_RESET	(0*32 + 7)	/* GPIO_1_7 */
+#define BABBAGE_USBH1_STP	(0*32 + 27)	/* GPIO_1_27 */
+
+/* USB_CTRL_1 */
+#define MX51_USB_CTRL_1_OFFSET			0x10
+#define MX51_USB_CTRL_UH1_EXT_CLK_EN		(1 << 25)
+
+#define	MX51_USB_PLLDIV_12_MHZ		0x00
+#define	MX51_USB_PLL_DIV_19_2_MHZ	0x01
+#define	MX51_USB_PLL_DIV_24_MHZ	0x02
+
 static struct platform_device *devices[] __initdata = {
 	&mxc_fec_device,
 };
@@ -46,6 +61,22 @@ static struct pad_desc mx51babbage_pads[] = {
 	MX51_PAD_EIM_D26__UART3_TXD,
 	MX51_PAD_EIM_D27__UART3_RTS,
 	MX51_PAD_EIM_D24__UART3_CTS,
+
+	/* USB HOST1 */
+	MX51_PAD_USBH1_CLK__USBH1_CLK,
+	MX51_PAD_USBH1_DIR__USBH1_DIR,
+	MX51_PAD_USBH1_NXT__USBH1_NXT,
+	MX51_PAD_USBH1_DATA0__USBH1_DATA0,
+	MX51_PAD_USBH1_DATA1__USBH1_DATA1,
+	MX51_PAD_USBH1_DATA2__USBH1_DATA2,
+	MX51_PAD_USBH1_DATA3__USBH1_DATA3,
+	MX51_PAD_USBH1_DATA4__USBH1_DATA4,
+	MX51_PAD_USBH1_DATA5__USBH1_DATA5,
+	MX51_PAD_USBH1_DATA6__USBH1_DATA6,
+	MX51_PAD_USBH1_DATA7__USBH1_DATA7,
+
+	/* USB HUB reset line*/
+	MX51_PAD_GPIO_1_7__GPIO1_7,
 };
 
 /* Serial ports */
@@ -66,15 +97,113 @@ static inline void mxc_init_imx_uart(void)
 }
 #endif /* SERIAL_IMX */
 
+static int gpio_usbh1_active(void)
+{
+	struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27;
+	int ret;
+
+	/* Set USBH1_STP to GPIO and toggle it */
+	mxc_iomux_v3_setup_pad(&usbh1stp_gpio);
+	ret = gpio_request(BABBAGE_USBH1_STP, "usbh1_stp");
+
+	if (ret) {
+		pr_debug("failed to get MX51_PAD_USBH1_STP__GPIO_1_27: %d\n", ret);
+		return ret;
+	}
+	gpio_direction_output(BABBAGE_USBH1_STP, 0);
+	gpio_set_value(BABBAGE_USBH1_STP, 1);
+	msleep(100);
+	gpio_free(BABBAGE_USBH1_STP);
+	return 0;
+}
+
+static inline void babbage_usbhub_reset(void)
+{
+	int ret;
+
+	/* Bring USB hub out of reset */
+	ret = gpio_request(BABBAGE_USB_HUB_RESET, "GPIO1_7");
+	if (ret) {
+		printk(KERN_ERR"failed to get GPIO_USB_HUB_RESET: %d\n", ret);
+		return;
+	}
+	gpio_direction_output(BABBAGE_USB_HUB_RESET, 0);
+
+	/* USB HUB RESET - De-assert USB HUB RESET_N */
+	msleep(1);
+	gpio_set_value(BABBAGE_USB_HUB_RESET, 0);
+	msleep(1);
+	gpio_set_value(BABBAGE_USB_HUB_RESET, 1);
+}
+
+/* This function is board specific as the bit mask for the plldiv will also
+be different for other Freescale SoCs, thus a common bitmask is not
+possible and cannot get place in /plat-mxc/ehci.c.*/
+static int initialize_otg_port(struct platform_device *pdev)
+{
+	u32 v;
+	void __iomem *usb_base;
+	u32 usbother_base;
+
+	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+	usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
+
+	/* Set the PHY clock to 19.2MHz */
+	v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
+	v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
+	v |= MX51_USB_PLL_DIV_19_2_MHZ;
+	__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
+	iounmap(usb_base);
+	return 0;
+}
+
+static int initialize_usbh1_port(struct platform_device *pdev)
+{
+	u32 v;
+	void __iomem *usb_base;
+	u32 usbother_base;
+
+	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+	usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
+
+	/* The clock for the USBH1 ULPI port will come externally from the PHY. */
+	v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET);
+	__raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN, usbother_base + MX51_USB_CTRL_1_OFFSET);
+	iounmap(usb_base);
+	return 0;
+}
+
+static struct mxc_usbh_platform_data dr_utmi_config = {
+	.init		= initialize_otg_port,
+	.portsc	= MXC_EHCI_UTMI_16BIT,
+	.flags	= MXC_EHCI_INTERNAL_PHY,
+};
+
+static struct mxc_usbh_platform_data usbh1_config = {
+	.init		= initialize_usbh1_port,
+	.portsc	= MXC_EHCI_MODE_ULPI,
+	.flags	= (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD),
+};
+
 /*
  * Board specific initialization.
  */
 static void __init mxc_board_init(void)
 {
+	struct pad_desc usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
+
 	mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
 					ARRAY_SIZE(mx51babbage_pads));
 	mxc_init_imx_uart();
 	platform_add_devices(devices, ARRAY_SIZE(devices));
+
+	mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
+
+	gpio_usbh1_active();
+	mxc_register_device(&mxc_usbh1_device, &usbh1_config);
+	/* setback USBH1_STP to be function */
+	mxc_iomux_v3_setup_pad(&usbh1stp);
+	babbage_usbhub_reset();
 }
 
 static void __init mx51_babbage_timer_init(void)

From 5a25ad84e01173bb225285eb50f9af48ed1a7598 Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Fri, 30 Apr 2010 15:48:26 -0500
Subject: [PATCH 0658/3638] mxc: Add generic USB HW initialization for MX51

This patch adds USB HW initializiation code to /plat-mxc/ehci.c.
	-Sets some specific PHY settings
Renames mxc_set_usbcontrol to mxc_initialize_usb_hw.
Adds new register bit defines for the USB HW on Freescale
SoCs.

This patch applies to 2.6.34-rc6.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Reviewed-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/plat-mxc/ehci.c                  | 100 +++++++++++++++++++++-
 arch/arm/plat-mxc/include/mach/mxc_ehci.h |  14 ++-
 drivers/usb/host/ehci-mxc.c               |   4 +-
 3 files changed, 113 insertions(+), 5 deletions(-)

diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
index cb0b6387448..2a8646173c2 100644
--- a/arch/arm/plat-mxc/ehci.c
+++ b/arch/arm/plat-mxc/ehci.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -50,7 +51,26 @@
 #define MX35_H1_TLL_BIT		(1 << 5)
 #define MX35_H1_USBTE_BIT	(1 << 4)
 
-int mxc_set_usbcontrol(int port, unsigned int flags)
+#define MXC_OTG_OFFSET		0
+#define MXC_H1_OFFSET		0x200
+
+/* USB_CTRL */
+#define MXC_OTG_UCTRL_OWIE_BIT		(1 << 27)	/* OTG wakeup intr enable */
+#define MXC_OTG_UCTRL_OPM_BIT		(1 << 24)	/* OTG power mask */
+#define MXC_H1_UCTRL_H1UIE_BIT		(1 << 12)	/* Host1 ULPI interrupt enable */
+#define MXC_H1_UCTRL_H1WIE_BIT		(1 << 11)	/* HOST1 wakeup intr enable */
+#define MXC_H1_UCTRL_H1PM_BIT		(1 <<  8)		/* HOST1 power mask */
+
+/* USB_PHY_CTRL_FUNC */
+#define MXC_OTG_PHYCTRL_OC_DIS_BIT	(1 << 8)	/* OTG Disable Overcurrent Event */
+#define MXC_H1_OC_DIS_BIT			(1 << 5)	/* UH1 Disable Overcurrent Event */
+
+#define MXC_USBCMD_OFFSET			0x140
+
+/* USBCMD */
+#define MXC_UCMD_ITC_NO_THRESHOLD_MASK	(~(0xff << 16))	/* Interrupt Threshold Control */
+
+int mxc_initialize_usb_hw(int port, unsigned int flags)
 {
 	unsigned int v;
 #ifdef CONFIG_ARCH_MX3
@@ -186,9 +206,85 @@ int mxc_set_usbcontrol(int port, unsigned int flags)
 		return 0;
 	}
 #endif /* CONFIG_MACH_MX27 */
+#ifdef CONFIG_ARCH_MX51
+	if (cpu_is_mx51()) {
+		void __iomem *usb_base;
+		u32 usbotg_base;
+		u32 usbother_base;
+		int ret = 0;
+
+		usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+
+		switch (port) {
+		case 0:	/* OTG port */
+			usbotg_base = usb_base + MXC_OTG_OFFSET;
+			break;
+		case 1:	/* Host 1 port */
+			usbotg_base = usb_base + MXC_H1_OFFSET;
+			break;
+		default:
+			printk(KERN_ERR"%s no such port %d\n", __func__, port);
+			ret = -ENOENT;
+			goto error;
+		}
+		usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
+
+		switch (port) {
+		case 0:	/*OTG port */
+			if (flags & MXC_EHCI_INTERNAL_PHY) {
+				v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
+
+				if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+					v |= (MXC_OTG_PHYCTRL_OC_DIS_BIT | MXC_OTG_UCTRL_OPM_BIT); /* OC/USBPWR is not used */
+				else
+					v &= ~(MXC_OTG_PHYCTRL_OC_DIS_BIT | MXC_OTG_UCTRL_OPM_BIT); /* OC/USBPWR is used */
+				__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
+
+				v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET);
+				if (flags & MXC_EHCI_WAKEUP_ENABLED)
+					v |= MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup enable */
+				else
+					v &= ~MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup disable */
+				__raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET);
+			}
+			break;
+		case 1:	/* Host 1 */
+			/*Host ULPI */
+			v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET);
+			if (flags & MXC_EHCI_WAKEUP_ENABLED)
+				v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);/* HOST1 wakeup/ULPI intr disable */
+			else
+				v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);/* HOST1 wakeup/ULPI intr disable */
+
+			if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+				v &= ~MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used*/
+			else
+				v |= MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used*/
+			__raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET);
+
+			v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
+			if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+				v &= ~MXC_H1_OC_DIS_BIT; /* OC is used */
+			else
+				v |= MXC_H1_OC_DIS_BIT; /* OC is not used */
+			__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
+
+			v = __raw_readl(usbotg_base + MXC_USBCMD_OFFSET);
+			if (flags & MXC_EHCI_ITC_NO_THRESHOLD)
+				/* Interrupt Threshold Control:Immediate (no threshold) */
+				v &= MXC_UCMD_ITC_NO_THRESHOLD_MASK;
+			__raw_writel(v, usbotg_base + MXC_USBCMD_OFFSET);
+			break;
+		}
+
+error:
+		iounmap(usb_base);
+		return ret;
+	}
+#endif
 	printk(KERN_WARNING
 		"%s() unable to setup USBCONTROL for this CPU\n", __func__);
 	return -EINVAL;
 }
-EXPORT_SYMBOL(mxc_set_usbcontrol);
+EXPORT_SYMBOL(mxc_initialize_usb_hw);
 
diff --git a/arch/arm/plat-mxc/include/mach/mxc_ehci.h b/arch/arm/plat-mxc/include/mach/mxc_ehci.h
index 4b9b8368c0c..7fc5f994619 100644
--- a/arch/arm/plat-mxc/include/mach/mxc_ehci.h
+++ b/arch/arm/plat-mxc/include/mach/mxc_ehci.h
@@ -25,6 +25,18 @@
 #define MXC_EHCI_INTERNAL_PHY		(1 << 7)
 #define MXC_EHCI_IPPUE_DOWN		(1 << 8)
 #define MXC_EHCI_IPPUE_UP		(1 << 9)
+#define MXC_EHCI_WAKEUP_ENABLED	(1 << 10)
+#define MXC_EHCI_ITC_NO_THRESHOLD	(1 << 11)
+
+#define MXC_USBCTRL_OFFSET		0
+#define MXC_USB_PHY_CTR_FUNC_OFFSET	0x8
+#define MXC_USB_PHY_CTR_FUNC2_OFFSET	0xc
+
+#define MX5_USBOTHER_REGS_OFFSET	0x800
+
+/* USB_PHY_CTRL_FUNC2*/
+#define MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK		0x3
+#define MX5_USB_UTMI_PHYCTRL1_PLLDIV_SHIFT		0
 
 struct mxc_usbh_platform_data {
 	int (*init)(struct platform_device *pdev);
@@ -35,7 +47,7 @@ struct mxc_usbh_platform_data {
 	struct otg_transceiver	*otg;
 };
 
-int mxc_set_usbcontrol(int port, unsigned int flags);
+int mxc_initialize_usb_hw(int port, unsigned int flags);
 
 #endif /* __INCLUDE_ASM_ARCH_MXC_EHCI_H */
 
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index ead59f42e69..544ccfd7056 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -199,8 +199,8 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
 	writel(pdata->portsc, hcd->regs + PORTSC_OFFSET);
 	mdelay(10);
 
-	/* setup USBCONTROL. */
-	ret = mxc_set_usbcontrol(pdev->id, pdata->flags);
+	/* setup specific usb hw */
+	ret = mxc_initialize_usb_hw(pdev->id, pdata->flags);
 	if (ret < 0)
 		goto err_init;
 

From 28a2afe0df1078d479923142a708adfe65fbf8b7 Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Fri, 30 Apr 2010 15:48:27 -0500
Subject: [PATCH 0659/3638] mx5: Add USB to Freescale MX51 defconfig

Update mx51_defconfig to include USB EHCI by default.

This patch applies to 2.6.34-rc6.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/configs/mx51_defconfig | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/mx51_defconfig b/arch/arm/configs/mx51_defconfig
index c88e9527a8e..a708fd6d6ff 100644
--- a/arch/arm/configs/mx51_defconfig
+++ b/arch/arm/configs/mx51_defconfig
@@ -809,7 +809,22 @@ CONFIG_SSB_POSSIBLE=y
 CONFIG_DUMMY_CONSOLE=y
 # CONFIG_SOUND is not set
 # CONFIG_HID_SUPPORT is not set
-# CONFIG_USB_SUPPORT is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB=y
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+# CONFIG_USB_EHCI_TT_NEWSCHED is not set
+CONFIG_USB_EHCI_MXC=y
+
+
 CONFIG_MMC=y
 # CONFIG_MMC_DEBUG is not set
 # CONFIG_MMC_UNSAFE_RESUME is not set

From 9d71ea057bc4823058d8fe27d34e987eb9880457 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Sun, 2 May 2010 16:05:05 +0200
Subject: [PATCH 0660/3638] HID: add PM support to PicoLCD device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add PM support in order to turn off backlight on suspend, restore
it on resume and especially restore complete state on reset-resume.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-picolcd.c | 79 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 74 insertions(+), 5 deletions(-)

diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index aa6f2e18d4a..95253b31054 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -763,7 +763,7 @@ static inline int picolcd_init_framebuffer(struct picolcd_data *data)
 {
 	return 0;
 }
-static void picolcd_exit_framebuffer(struct picolcd_data *data)
+static inline void picolcd_exit_framebuffer(struct picolcd_data *data)
 {
 }
 #define picolcd_fbinfo(d) NULL
@@ -852,6 +852,18 @@ static inline int picolcd_resume_backlight(struct picolcd_data *data)
 	return picolcd_set_brightness(data->backlight);
 }
 
+#ifdef CONFIG_PM
+static void picolcd_suspend_backlight(struct picolcd_data *data)
+{
+	int bl_power = data->lcd_power;
+	if (!data->backlight)
+		return;
+
+	data->backlight->props.power = FB_BLANK_POWERDOWN;
+	picolcd_set_brightness(data->backlight);
+	data->lcd_power = data->backlight->props.power = bl_power;
+}
+#endif /* CONFIG_PM */
 #else
 static inline int picolcd_init_backlight(struct picolcd_data *data,
 		struct hid_report *report)
@@ -865,6 +877,9 @@ static inline int picolcd_resume_backlight(struct picolcd_data *data)
 {
 	return 0;
 }
+static inline void picolcd_suspend_backlight(struct picolcd_data *data)
+{
+}
 #endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
 
 #ifdef CONFIG_HID_PICOLCD_LCD
@@ -1098,7 +1113,7 @@ static inline int picolcd_init_leds(struct picolcd_data *data,
 {
 	return 0;
 }
-static void picolcd_exit_leds(struct picolcd_data *data)
+static inline void picolcd_exit_leds(struct picolcd_data *data)
 {
 }
 static inline int picolcd_leds_set(struct picolcd_data *data)
@@ -2214,9 +2229,18 @@ static void picolcd_exit_devfs(struct picolcd_data *data)
 	mutex_destroy(&data->mutex_flash);
 }
 #else
-#define picolcd_debug_raw_event(data, hdev, report, raw_data, size)
-#define picolcd_init_devfs(data, eeprom_r, eeprom_w, flash_r, flash_w, reset)
-static void picolcd_exit_devfs(struct picolcd_data *data)
+static inline void picolcd_debug_raw_event(struct picolcd_data *data,
+		struct hid_device *hdev, struct hid_report *report,
+		u8 *raw_data, int size)
+{
+}
+static inline void picolcd_init_devfs(struct picolcd_data *data,
+		struct hid_report *eeprom_r, struct hid_report *eeprom_w,
+		struct hid_report *flash_r, struct hid_report *flash_w,
+		struct hid_report *reset)
+{
+}
+static inline void picolcd_exit_devfs(struct picolcd_data *data)
 {
 }
 #endif /* CONFIG_DEBUG_FS */
@@ -2259,6 +2283,46 @@ static int picolcd_raw_event(struct hid_device *hdev,
 	return 1;
 }
 
+#ifdef CONFIG_PM
+static int picolcd_suspend(struct hid_device *hdev, pm_message_t message)
+{
+	if (message.event & PM_EVENT_AUTO)
+		return 0;
+
+	picolcd_suspend_backlight(hid_get_drvdata(hdev));
+	dbg_hid(PICOLCD_NAME " device ready for suspend\n");
+	return 0;
+}
+
+static int picolcd_resume(struct hid_device *hdev)
+{
+	int ret;
+	ret = picolcd_resume_backlight(hid_get_drvdata(hdev));
+	if (ret)
+		dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret);
+	return 0;
+}
+
+static int picolcd_reset_resume(struct hid_device *hdev)
+{
+	int ret;
+	ret = picolcd_reset(hdev);
+	if (ret)
+		dbg_hid(PICOLCD_NAME " resetting our device failed: %d\n", ret);
+	ret = picolcd_fb_reset(hid_get_drvdata(hdev), 0);
+	if (ret)
+		dbg_hid(PICOLCD_NAME " restoring framebuffer content failed: %d\n", ret);
+	ret = picolcd_resume_lcd(hid_get_drvdata(hdev));
+	if (ret)
+		dbg_hid(PICOLCD_NAME " restoring lcd failed: %d\n", ret);
+	ret = picolcd_resume_backlight(hid_get_drvdata(hdev));
+	if (ret)
+		dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret);
+	picolcd_leds_set(hid_get_drvdata(hdev));
+	return 0;
+}
+#endif
+
 /* initialize keypad input device */
 static int picolcd_init_keys(struct picolcd_data *data,
 		struct hid_report *report)
@@ -2544,6 +2608,11 @@ static struct hid_driver picolcd_driver = {
 	.probe =         picolcd_probe,
 	.remove =        picolcd_remove,
 	.raw_event =     picolcd_raw_event,
+#ifdef CONFIG_PM
+	.suspend =       picolcd_suspend,
+	.resume =        picolcd_resume,
+	.reset_resume =  picolcd_reset_resume,
+#endif
 };
 
 static int __init picolcd_init(void)

From daa494958a59638f32b4334155e4c3e1f664c675 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:13 -0700
Subject: [PATCH 0661/3638] omap2/3/4: Fix multi.h when omap3 and omap4 are
 selected without omap2

Otherwise we'll get an error about get_irqnr_and_base being defined
twice. Add an entry for omap4, and use ARCH_OMAP3 for omap3 instead of
ARCH_OMAP3430.

Also fix the check for omap1 to use ARCH_OMAP2PLUS to avoid having to
add ARCH_OMAP4 separately there.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/include/plat/multi.h | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/arch/arm/plat-omap/include/plat/multi.h b/arch/arm/plat-omap/include/plat/multi.h
index f235d32cd94..ffd909fa528 100644
--- a/arch/arm/plat-omap/include/plat/multi.h
+++ b/arch/arm/plat-omap/include/plat/multi.h
@@ -61,9 +61,9 @@
 #  define OMAP_NAME omap16xx
 # endif
 #endif
-#if (defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3))
+#ifdef CONFIG_ARCH_OMAP2PLUS
 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
-#  error "OMAP1 and OMAP2 can't be selected at the same time"
+#  error "OMAP1 and OMAP2PLUS can't be selected at the same time"
 # endif
 #endif
 #ifdef CONFIG_ARCH_OMAP2420
@@ -82,12 +82,20 @@
 #  define OMAP_NAME omap2430
 # endif
 #endif
-#ifdef CONFIG_ARCH_OMAP3430
+#ifdef CONFIG_ARCH_OMAP3
 # ifdef OMAP_NAME
 #  undef  MULTI_OMAP2
 #  define MULTI_OMAP2
 # else
-#  define OMAP_NAME omap3430
+#  define OMAP_NAME omap3
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+# ifdef OMAP_NAME
+#  undef  MULTI_OMAP2
+#  define MULTI_OMAP2
+# else
+#  define OMAP_NAME omap4
 # endif
 #endif
 

From 96554d70775e936e870f61d9523c9bab3fd54ad6 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 17:39:19 -0700
Subject: [PATCH 0662/3638] omap: Use a memory address for storing the debug
 port info instead of UART1 scratchpad

This removes the dependency to the UART1 being available for storing
the debug configuration in uncompress.h. This will simplify the
DEBUG_LL UART configuration for boards that may not have UART1, or
have an external UART as it requires only one mapping for DEBUG_LL.

The patch has a few limitations. Basically now we're assuming that
the kernel uncompress code won't overlap with OMAP_UART_INFO. We also
assume the printascii is called at least once before paging_init in
order for addruart to have a chance to read the UART setup from
OMAP_UART_INFO.

As suggested by Cyril Chemparathy <cyril@ti.com>,
Vikram Pandita <vikram.pandita@ti.com> and
Kevin Hilman <khilman@deeprootsystems.com>. Based on an earlier
patch posted for Davinci by Cyril Chemparathy <cyril@ti.com>.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 .../arm/mach-omap1/include/mach/debug-macro.S | 21 +++------
 .../arm/mach-omap2/include/mach/debug-macro.S | 11 ++---
 arch/arm/plat-omap/include/plat/serial.h      | 14 ++++++
 arch/arm/plat-omap/include/plat/uncompress.h  | 44 +++++++------------
 4 files changed, 43 insertions(+), 47 deletions(-)

diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S
index b6d9584544b..e8a8cf36b7f 100644
--- a/arch/arm/mach-omap1/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap1/include/mach/debug-macro.S
@@ -13,6 +13,8 @@
 
 #include <linux/serial_reg.h>
 
+#include <asm/memory.h>
+
 #include <plat/serial.h>
 
 		.pushsection .data
@@ -37,23 +39,12 @@ omap_uart_virt:	.word	0x0
 		cmp	\rx, #0			@ is port configured?
 		bne	99f			@ already configured
 
-		/* Check 7XX UART1 scratchpad register for uart to use */
+		/* Check the debug UART configuration set in uncompress.h */
 		mrc	p15, 0, \rx, c1, c0
 		tst	\rx, #1			@ MMU enabled?
-		moveq	\rx, #0xff000000	@ physical base address
-		movne	\rx, #0xfe000000	@ virtual base
-		orr	\rx, \rx, #0x00fb0000	@ OMAP1UART1
-		ldrb	\rx, [\rx, #(UART_SCR << OMAP7XX_PORT_SHIFT)]
-		cmp	\rx, #0			@ anything in 7XX scratchpad?
-		bne	10f			@ found 7XX uart
-
-		/* Check 15xx/16xx UART1 scratchpad register for uart to use */
-		mrc	p15, 0, \rx, c1, c0
-		tst	\rx, #1			@ MMU enabled?
-		moveq	\rx, #0xff000000	@ physical base address
-		movne	\rx, #0xfe000000	@ virtual base
-		orr	\rx, \rx, #0x00fb0000	@ OMAP1UART1
-		ldrb	\rx, [\rx, #(UART_SCR << OMAP_PORT_SHIFT)]
+		ldreq	\rx, =OMAP_UART_INFO
+		ldrne	\rx, =__phys_to_virt(OMAP_UART_INFO)
+		ldr	\rx, [\rx, #0]
 
 		/* Select the UART to use based on the UART1 scratchpad value */
 10:		cmp	\rx, #0			@ no port configured?
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S
index 4a63a2ea484..4976169d9f3 100644
--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap2/include/mach/debug-macro.S
@@ -13,6 +13,8 @@
 
 #include <linux/serial_reg.h>
 
+#include <asm/memory.h>
+
 #include <plat/serial.h>
 
 #define UART_OFFSET(addr)	((addr) & 0x00ffffff)
@@ -40,13 +42,12 @@ omap_uart_lsr:	.word	0
 		cmp	\rx, #0			@ is port configured?
 		bne	99f			@ already configured
 
-		/* Check UART1 scratchpad register for uart to use */
+		/* Check the debug UART configuration set in uncompress.h */
 		mrc	p15, 0, \rx, c1, c0
 		tst	\rx, #1			@ MMU enabled?
-		moveq	\rx, #0x48000000	@ physical base address
-		movne	\rx, #0xfa000000	@ virtual base
-		orr	\rx, \rx, #0x0006a000	@ uart1 on omap2/3/4
-		ldrb	\rx, [\rx, #(UART_SCR << OMAP_PORT_SHIFT)] @ scratchpad
+		ldreq	\rx, =OMAP_UART_INFO
+		ldrne	\rx, =__phys_to_virt(OMAP_UART_INFO)
+		ldr	\rx, [\rx, #0]
 
 		/* Select the UART to use based on the UART1 scratchpad value */
 		cmp	\rx, #0			@ no port configured?
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index 83dce4c4f7e..42a6318dd30 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -15,6 +15,20 @@
 
 #include <linux/init.h>
 
+/*
+ * Memory entry used for the DEBUG_LL UART configuration. See also
+ * uncompress.h and debug-macro.S.
+ *
+ * Note that using a memory location for storing the UART configuration
+ * has at least two limitations:
+ *
+ * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the
+ *    uncompress code could then partially overwrite itself
+ * 2. We assume printascii is called at least once before paging_init,
+ *    and addruart has a chance to read OMAP_UART_INFO
+ */
+#define OMAP_UART_INFO		(PHYS_OFFSET + 0x3ffc)
+
 /* OMAP1 serial ports */
 #define OMAP1_UART1_BASE	0xfffb0000
 #define OMAP1_UART2_BASE	0xfffb0800
diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h
index 81d9ec540fc..bbedd71943f 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -20,27 +20,21 @@
 #include <linux/types.h>
 #include <linux/serial_reg.h>
 
+#include <asm/memory.h>
 #include <asm/mach-types.h>
 
 #include <plat/serial.h>
 
-static volatile u8 *uart1_base;
-static int uart1_shift;
-
 static volatile u8 *uart_base;
 static int uart_shift;
 
 /*
- * Store the DEBUG_LL uart number into UART1 scratchpad register.
+ * Store the DEBUG_LL uart number into memory.
  * See also debug-macro.S, and serial.c for related code.
- *
- * Please note that we currently assume that:
- * - UART1 clocks are enabled for register access
- * - UART1 scratchpad register can be used
  */
-static void set_uart1_scratchpad(unsigned char port)
+static void set_omap_uart_info(unsigned char port)
 {
-	uart1_base[UART_SCR << uart1_shift] = port;
+	*(volatile u32 *)OMAP_UART_INFO = port;
 }
 
 static void putc(int c)
@@ -60,42 +54,38 @@ static inline void flush(void)
 /*
  * Macros to configure UART1 and debug UART
  */
-#define _DEBUG_LL_ENTRY(mach, uart1_phys, uart1_shft,			\
-			dbg_uart, dbg_shft, dbg_id)			\
+#define _DEBUG_LL_ENTRY(mach, dbg_uart, dbg_shft, dbg_id)		\
 	if (machine_is_##mach()) {					\
-		uart1_base = (volatile u8 *)(uart1_phys);		\
-		uart1_shift = (uart1_shft);				\
 		uart_base = (volatile u8 *)(dbg_uart);			\
 		uart_shift = (dbg_shft);				\
 		port = (dbg_id);					\
-		set_uart1_scratchpad(port);				\
+		set_omap_uart_info(port);				\
 		break;							\
 	}
 
 #define DEBUG_LL_OMAP7XX(p, mach)					\
-	_DEBUG_LL_ENTRY(mach, OMAP1_UART1_BASE, OMAP7XX_PORT_SHIFT,	\
-		OMAP1_UART##p##_BASE, OMAP7XX_PORT_SHIFT, OMAP1UART##p)
+	_DEBUG_LL_ENTRY(mach, OMAP1_UART##p##_BASE, OMAP7XX_PORT_SHIFT,	\
+		OMAP1UART##p)
 
 #define DEBUG_LL_OMAP1(p, mach)						\
-	_DEBUG_LL_ENTRY(mach, OMAP1_UART1_BASE, OMAP_PORT_SHIFT,	\
-		OMAP1_UART##p##_BASE, OMAP_PORT_SHIFT, OMAP1UART##p)
+	_DEBUG_LL_ENTRY(mach, OMAP1_UART##p##_BASE, OMAP_PORT_SHIFT,	\
+		OMAP1UART##p)
 
 #define DEBUG_LL_OMAP2(p, mach)						\
-	_DEBUG_LL_ENTRY(mach, OMAP2_UART1_BASE, OMAP_PORT_SHIFT,	\
-		OMAP2_UART##p##_BASE, OMAP_PORT_SHIFT, OMAP2UART##p)
+	_DEBUG_LL_ENTRY(mach, OMAP2_UART##p##_BASE, OMAP_PORT_SHIFT,	\
+		OMAP2UART##p)
 
 #define DEBUG_LL_OMAP3(p, mach)						\
-	_DEBUG_LL_ENTRY(mach, OMAP3_UART1_BASE, OMAP_PORT_SHIFT,	\
-		OMAP3_UART##p##_BASE, OMAP_PORT_SHIFT, OMAP3UART##p)
+	_DEBUG_LL_ENTRY(mach, OMAP3_UART##p##_BASE, OMAP_PORT_SHIFT,	\
+		OMAP3UART##p)
 
 #define DEBUG_LL_OMAP4(p, mach)						\
-	_DEBUG_LL_ENTRY(mach, OMAP4_UART1_BASE, OMAP_PORT_SHIFT,	\
-		OMAP4_UART##p##_BASE, OMAP_PORT_SHIFT, OMAP4UART##p)
+	_DEBUG_LL_ENTRY(mach, OMAP4_UART##p##_BASE, OMAP_PORT_SHIFT,	\
+		OMAP4UART##p)
 
 /* Zoom2/3 shift is different for UART1 and external port */
 #define DEBUG_LL_ZOOM(mach)						\
-	_DEBUG_LL_ENTRY(mach, OMAP2_UART1_BASE, OMAP_PORT_SHIFT,	\
-		ZOOM_UART_BASE, ZOOM_PORT_SHIFT, ZOOM_UART)
+	_DEBUG_LL_ENTRY(mach, ZOOM_UART_BASE, ZOOM_PORT_SHIFT, ZOOM_UART)
 
 static inline void __arch_decomp_setup(unsigned long arch_id)
 {

From a4f57b81385b7793b83cd5ec9efc24db0bb62404 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:14 -0700
Subject: [PATCH 0663/3638] omap2/3: Fix DEBUG_LL for omap zoom2/3

Zoom2 and 3 have UARTs only on the external debug board.
GPMC needs to be mapped early to use it for DEBUG_LL.

Additionally, 0xfb000000 overlaps with other areas, so
use 0xfa400000 for the virtual address instead.

Note that with the pending serial.c patches you need to
set console=ttyS0,115200n8 as it will be the only UART
mapped. To use DEBUG_LL, you need to pass also earlyprintk
in cmdline.

Cc: Allen Pais <allen.pais@ti.com>
Acked-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-zoom-debugboard.c    | 2 +-
 arch/arm/mach-omap2/board-zoom2.c              | 4 ++--
 arch/arm/mach-omap2/board-zoom3.c              | 4 ++--
 arch/arm/mach-omap2/include/mach/debug-macro.S | 4 ++--
 arch/arm/mach-omap2/io.c                       | 9 +++++++++
 arch/arm/plat-omap/include/plat/serial.h       | 2 +-
 6 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c
index e15d2e87cfc..1d7f827b040 100644
--- a/arch/arm/mach-omap2/board-zoom-debugboard.c
+++ b/arch/arm/mach-omap2/board-zoom-debugboard.c
@@ -82,7 +82,7 @@ static inline void __init zoom_init_smsc911x(void)
 
 static struct plat_serial8250_port serial_platform_data[] = {
 	{
-		.mapbase	= 0x10000000,
+		.mapbase	= ZOOM_UART_BASE,
 		.irq		= OMAP_GPIO_IRQ(102),
 		.flags		= UPF_BOOT_AUTOCONF|UPF_IOREMAP|UPF_SHARE_IRQ,
 		.irqflags	= IRQF_SHARED | IRQF_TRIGGER_RISING,
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index 9a26f84b114..803ef14cbf2 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -91,8 +91,8 @@ static void __init omap_zoom2_map_io(void)
 }
 
 MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
-	.phys_io	= 0x48000000,
-	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
+	.phys_io	= ZOOM_UART_BASE,
+	.io_pg_offst	= (ZOOM_UART_VIRT >> 18) & 0xfffc,
 	.boot_params	= 0x80000100,
 	.map_io		= omap_zoom2_map_io,
 	.init_irq	= omap_zoom2_init_irq,
diff --git a/arch/arm/mach-omap2/board-zoom3.c b/arch/arm/mach-omap2/board-zoom3.c
index cd3e40cf3ac..33147042485 100644
--- a/arch/arm/mach-omap2/board-zoom3.c
+++ b/arch/arm/mach-omap2/board-zoom3.c
@@ -73,8 +73,8 @@ static void __init omap_zoom_init(void)
 }
 
 MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
-	.phys_io	= 0x48000000,
-	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
+	.phys_io	= ZOOM_UART_BASE,
+	.io_pg_offst	= (ZOOM_UART_VIRT >> 18) & 0xfffc,
 	.boot_params	= 0x80000100,
 	.map_io		= omap_zoom_map_io,
 	.init_irq	= omap_zoom_init_irq,
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S
index 4976169d9f3..35b24409a0c 100644
--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap2/include/mach/debug-macro.S
@@ -88,10 +88,10 @@ omap_uart_lsr:	.word	0
 		b	98f
 44:		mov	\rx, #UART_OFFSET(OMAP4_UART4_BASE)
 		b	98f
-95:		mov	\rx, #ZOOM_UART_BASE
+95:		ldr	\rx, =ZOOM_UART_BASE
 		ldr	\tmp, =omap_uart_phys
 		str	\rx, [\tmp, #0]
-		mov	\rx, #ZOOM_UART_VIRT
+		ldr	\rx, =ZOOM_UART_VIRT
 		ldr	\tmp, =omap_uart_virt
 		str	\rx, [\tmp, #0]
 		mov	\rx, #(UART_LSR << ZOOM_PORT_SHIFT)
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 87f676acf61..3cfb425ea67 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -166,6 +166,15 @@ static struct map_desc omap34xx_io_desc[] __initdata = {
 		.length		= L4_EMU_34XX_SIZE,
 		.type		= MT_DEVICE
 	},
+#if defined(CONFIG_DEBUG_LL) &&							\
+	(defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
+	{
+		.virtual	= ZOOM_UART_VIRT,
+		.pfn		= __phys_to_pfn(ZOOM_UART_BASE),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE
+	},
+#endif
 };
 #endif
 #ifdef	CONFIG_ARCH_OMAP4
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index 42a6318dd30..19145f5c32b 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -53,7 +53,7 @@
 
 /* External port on Zoom2/3 */
 #define ZOOM_UART_BASE		0x10000000
-#define ZOOM_UART_VIRT		0xfb000000
+#define ZOOM_UART_VIRT		0xfa400000
 
 #define OMAP_PORT_SHIFT		2
 #define OMAP7XX_PORT_SHIFT	0

From 609c9ba29742f65b83f062dc57e5326d620de7bb Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:14 -0700
Subject: [PATCH 0664/3638] omap3: Fix compile for board-cm-t35

Otherwise we can get the following error:

error: variable 'tdo24m_mcspi_config' has initializer but incomplete type
...

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-cm-t35.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index 2de4f79f03a..e679a2cc86c 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -45,6 +45,7 @@
 #include <plat/gpmc.h>
 #include <plat/usb.h>
 #include <plat/display.h>
+#include <plat/mcspi.h>
 
 #include <mach/hardware.h>
 

From dee5f8285e6300f34054afd39c9406fc2f709362 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:14 -0700
Subject: [PATCH 0665/3638] omap3: Remove non-muxable ball entries for 3630

These are currently non-muxable, so let's save some memory
and remove them. Otherwise we get the following warnings:

mux: Unknown ball offset 0x5e
mux: Unknown ball offset 0x60
mux: Unknown ball offset 0x62
...

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/mux34xx.c | 86 -----------------------------------
 1 file changed, 86 deletions(-)

diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c
index 07aa7b3c95f..2ff4dce95ee 100644
--- a/arch/arm/mach-omap2/mux34xx.c
+++ b/arch/arm/mach-omap2/mux34xx.c
@@ -1901,26 +1901,15 @@ struct omap_ball __initdata omap36xx_cbp_ball[] = {
 	_OMAP3_BALLENTRY(GPMC_A8, "m3", "ab18"),
 	_OMAP3_BALLENTRY(GPMC_A9, "l3", "ac19"),
 	_OMAP3_BALLENTRY(GPMC_CLK, "t4", "w2"),
-	_OMAP3_BALLENTRY(GPMC_D0, "k1", "m2"),
-	_OMAP3_BALLENTRY(GPMC_D1, "l1", "m1"),
 	_OMAP3_BALLENTRY(GPMC_D10, "p1", "ab4"),
 	_OMAP3_BALLENTRY(GPMC_D11, "r1", "ac4"),
 	_OMAP3_BALLENTRY(GPMC_D12, "r2", "ab6"),
 	_OMAP3_BALLENTRY(GPMC_D13, "t2", "ac6"),
 	_OMAP3_BALLENTRY(GPMC_D14, "w1", "ab7"),
 	_OMAP3_BALLENTRY(GPMC_D15, "y1", "ac7"),
-	_OMAP3_BALLENTRY(GPMC_D2, "l2", "n2"),
-	_OMAP3_BALLENTRY(GPMC_D3, "p2", "n1"),
-	_OMAP3_BALLENTRY(GPMC_D4, "t1", "r2"),
-	_OMAP3_BALLENTRY(GPMC_D5, "v1", "r1"),
-	_OMAP3_BALLENTRY(GPMC_D6, "v2", "t2"),
-	_OMAP3_BALLENTRY(GPMC_D7, "w2", "t1"),
-	_OMAP3_BALLENTRY(GPMC_D8, "h2", "ab3"),
 	_OMAP3_BALLENTRY(GPMC_D9, "k2", "ac3"),
-	_OMAP3_BALLENTRY(GPMC_NADV_ALE, "f3", "w1"),
 	_OMAP3_BALLENTRY(GPMC_NBE0_CLE, "g3", "ac12"),
 	_OMAP3_BALLENTRY(GPMC_NBE1, "u3", NULL),
-	_OMAP3_BALLENTRY(GPMC_NCS0, "g4", "y2"),
 	_OMAP3_BALLENTRY(GPMC_NCS1, "h3", "y1"),
 	_OMAP3_BALLENTRY(GPMC_NCS2, "v8", NULL),
 	_OMAP3_BALLENTRY(GPMC_NCS3, "u8", NULL),
@@ -1928,10 +1917,7 @@ struct omap_ball __initdata omap36xx_cbp_ball[] = {
 	_OMAP3_BALLENTRY(GPMC_NCS5, "r8", NULL),
 	_OMAP3_BALLENTRY(GPMC_NCS6, "p8", NULL),
 	_OMAP3_BALLENTRY(GPMC_NCS7, "n8", NULL),
-	_OMAP3_BALLENTRY(GPMC_NOE, "g2", "v2"),
-	_OMAP3_BALLENTRY(GPMC_NWE, "f4", "v1"),
 	_OMAP3_BALLENTRY(GPMC_NWP, "h1", "ab10"),
-	_OMAP3_BALLENTRY(GPMC_WAIT0, "m8", "ab12"),
 	_OMAP3_BALLENTRY(GPMC_WAIT1, "l8", "ac10"),
 	_OMAP3_BALLENTRY(GPMC_WAIT2, "k8", NULL),
 	_OMAP3_BALLENTRY(GPMC_WAIT3, "j8", NULL),
@@ -1948,8 +1934,6 @@ struct omap_ball __initdata omap36xx_cbp_ball[] = {
 	_OMAP3_BALLENTRY(HSUSB0_DIR, "r28", NULL),
 	_OMAP3_BALLENTRY(HSUSB0_NXT, "t26", NULL),
 	_OMAP3_BALLENTRY(HSUSB0_STP, "t25", NULL),
-	_OMAP3_BALLENTRY(I2C1_SCL, "k21", NULL),
-	_OMAP3_BALLENTRY(I2C1_SDA, "j21", NULL),
 	_OMAP3_BALLENTRY(I2C2_SCL, "af15", NULL),
 	_OMAP3_BALLENTRY(I2C2_SDA, "ae15", NULL),
 	_OMAP3_BALLENTRY(I2C3_SCL, "af14", NULL),
@@ -1958,11 +1942,6 @@ struct omap_ball __initdata omap36xx_cbp_ball[] = {
 	_OMAP3_BALLENTRY(I2C4_SDA, "ae26", NULL),
 	_OMAP3_BALLENTRY(JTAG_EMU0, "aa11", NULL),
 	_OMAP3_BALLENTRY(JTAG_EMU1, "aa10", NULL),
-	_OMAP3_BALLENTRY(JTAG_RTCK, "aa12", NULL),
-	_OMAP3_BALLENTRY(JTAG_TCK, "aa13", NULL),
-	_OMAP3_BALLENTRY(JTAG_TDI, "aa20", NULL),
-	_OMAP3_BALLENTRY(JTAG_TDO, "aa19", NULL),
-	_OMAP3_BALLENTRY(JTAG_TMS_TMSC, "aa18", NULL),
 	_OMAP3_BALLENTRY(MCBSP1_CLKR, "y21", NULL),
 	_OMAP3_BALLENTRY(MCBSP1_CLKX, "w21", NULL),
 	_OMAP3_BALLENTRY(MCBSP1_DR, "u21", NULL),
@@ -2010,77 +1989,12 @@ struct omap_ball __initdata omap36xx_cbp_ball[] = {
 	_OMAP3_BALLENTRY(SDMMC2_DAT5, "ah3", NULL),
 	_OMAP3_BALLENTRY(SDMMC2_DAT6, "af3", NULL),
 	_OMAP3_BALLENTRY(SDMMC2_DAT7, "ae3", NULL),
-	_OMAP3_BALLENTRY(SDRC_A0, NULL, "n22"),
-	_OMAP3_BALLENTRY(SDRC_A1, NULL, "n23"),
-	_OMAP3_BALLENTRY(SDRC_A10, NULL, "v22"),
-	_OMAP3_BALLENTRY(SDRC_A11, NULL, "v23"),
-	_OMAP3_BALLENTRY(SDRC_A12, NULL, "w22"),
-	_OMAP3_BALLENTRY(SDRC_A13, NULL, "w23"),
-	_OMAP3_BALLENTRY(SDRC_A14, NULL, "y22"),
-	_OMAP3_BALLENTRY(SDRC_A2, NULL, "p22"),
-	_OMAP3_BALLENTRY(SDRC_A3, NULL, "p23"),
-	_OMAP3_BALLENTRY(SDRC_A4, NULL, "r22"),
-	_OMAP3_BALLENTRY(SDRC_A5, NULL, "r23"),
-	_OMAP3_BALLENTRY(SDRC_A6, NULL, "t22"),
-	_OMAP3_BALLENTRY(SDRC_A7, NULL, "t23"),
-	_OMAP3_BALLENTRY(SDRC_A8, NULL, "u22"),
-	_OMAP3_BALLENTRY(SDRC_A9, NULL, "u23"),
-	_OMAP3_BALLENTRY(SDRC_BA0, "h9", "ab21"),
-	_OMAP3_BALLENTRY(SDRC_BA1, "h10", "ac21"),
 	_OMAP3_BALLENTRY(SDRC_CKE0, "h16", "j22"),
 	_OMAP3_BALLENTRY(SDRC_CKE1, "h17", "j23"),
-	_OMAP3_BALLENTRY(SDRC_CLK, "a13", "a11"),
-	_OMAP3_BALLENTRY(SDRC_D0, NULL, "j2"),
-	_OMAP3_BALLENTRY(SDRC_D1, NULL, "j1"),
-	_OMAP3_BALLENTRY(SDRC_D10, "c15", "b14"),
-	_OMAP3_BALLENTRY(SDRC_D11, "b16", "a14"),
-	_OMAP3_BALLENTRY(SDRC_D12, "d17", "b16"),
-	_OMAP3_BALLENTRY(SDRC_D13, "c17", "a16"),
-	_OMAP3_BALLENTRY(SDRC_D14, "b17", "b19"),
-	_OMAP3_BALLENTRY(SDRC_D15, "d18", "a19"),
-	_OMAP3_BALLENTRY(SDRC_D16, NULL, "b3"),
-	_OMAP3_BALLENTRY(SDRC_D17, NULL, "a3"),
-	_OMAP3_BALLENTRY(SDRC_D18, NULL, "b5"),
-	_OMAP3_BALLENTRY(SDRC_D19, NULL, "a5"),
-	_OMAP3_BALLENTRY(SDRC_D2, NULL, "g2"),
-	_OMAP3_BALLENTRY(SDRC_D20, NULL, "b8"),
-	_OMAP3_BALLENTRY(SDRC_D21, NULL, "a8"),
-	_OMAP3_BALLENTRY(SDRC_D22, NULL, "b9"),
-	_OMAP3_BALLENTRY(SDRC_D23, NULL, "a9"),
-	_OMAP3_BALLENTRY(SDRC_D24, NULL, "b21"),
-	_OMAP3_BALLENTRY(SDRC_D25, NULL, "a21"),
-	_OMAP3_BALLENTRY(SDRC_D26, NULL, "d22"),
-	_OMAP3_BALLENTRY(SDRC_D27, NULL, "d23"),
-	_OMAP3_BALLENTRY(SDRC_D28, NULL, "e22"),
-	_OMAP3_BALLENTRY(SDRC_D29, NULL, "e23"),
-	_OMAP3_BALLENTRY(SDRC_D3, NULL, "g1"),
-	_OMAP3_BALLENTRY(SDRC_D30, NULL, "g22"),
-	_OMAP3_BALLENTRY(SDRC_D31, NULL, "g23"),
-	_OMAP3_BALLENTRY(SDRC_D4, NULL, "f2"),
-	_OMAP3_BALLENTRY(SDRC_D5, NULL, "f1"),
-	_OMAP3_BALLENTRY(SDRC_D6, NULL, "d2"),
-	_OMAP3_BALLENTRY(SDRC_D7, NULL, "d1"),
-	_OMAP3_BALLENTRY(SDRC_D8, "c14", "b13"),
-	_OMAP3_BALLENTRY(SDRC_D9, "b14", "a13"),
-	_OMAP3_BALLENTRY(SDRC_DM0, NULL, "c1"),
-	_OMAP3_BALLENTRY(SDRC_DM1, "a16", "a17"),
-	_OMAP3_BALLENTRY(SDRC_DM2, NULL, "a6"),
-	_OMAP3_BALLENTRY(SDRC_DM3, NULL, "a20"),
-	_OMAP3_BALLENTRY(SDRC_DQS0, NULL, "c2"),
-	_OMAP3_BALLENTRY(SDRC_DQS1, "a17", "b17"),
-	_OMAP3_BALLENTRY(SDRC_DQS2, NULL, "b6"),
-	_OMAP3_BALLENTRY(SDRC_DQS3, NULL, "b20"),
-	_OMAP3_BALLENTRY(SDRC_NCAS, "h13", "l22"),
-	_OMAP3_BALLENTRY(SDRC_NCLK, "a14", "b11"),
-	_OMAP3_BALLENTRY(SDRC_NCS0, "h11", "m22"),
-	_OMAP3_BALLENTRY(SDRC_NCS1, "h12", "m23"),
-	_OMAP3_BALLENTRY(SDRC_NRAS, "h14", "l23"),
-	_OMAP3_BALLENTRY(SDRC_NWE, "h15", "k23"),
 	_OMAP3_BALLENTRY(SIM_CLK, "p26", NULL),
 	_OMAP3_BALLENTRY(SIM_IO, "p27", NULL),
 	_OMAP3_BALLENTRY(SIM_PWRCTRL, "r27", NULL),
 	_OMAP3_BALLENTRY(SIM_RST, "r25", NULL),
-	_OMAP3_BALLENTRY(SYS_32K, "ae25", NULL),
 	_OMAP3_BALLENTRY(SYS_BOOT0, "ah26", NULL),
 	_OMAP3_BALLENTRY(SYS_BOOT1, "ag26", NULL),
 	_OMAP3_BALLENTRY(SYS_BOOT2, "ae14", NULL),

From 82cd4adefe5a67870f2113498bdfe9350edd2078 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:15 -0700
Subject: [PATCH 0666/3638] omap4: Fix multiboot with CONFIG_PM and
 CONFIG_ARCH_OMAP3 selected

We cannot use the omap34xx_sram_init(). It needs to be implemented
for omap4. Otherwise we get an error and the system won't boot:

Unhandled fault: imprecise external abort (0x1406) at 0xea963e94
...

Fix this by adding a dummy omap44xx_sram_init().

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/sram.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 51f4dfb82e2..226b2e858d6 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -437,6 +437,20 @@ static inline int omap34xx_sram_init(void)
 }
 #endif
 
+#ifdef CONFIG_ARCH_OMAP4
+int __init omap44xx_sram_init(void)
+{
+	printk(KERN_ERR "FIXME: %s not implemented\n", __func__);
+
+	return -ENODEV;
+}
+#else
+static inline int omap44xx_sram_init(void)
+{
+	return 0;
+}
+#endif
+
 int __init omap_sram_init(void)
 {
 	omap_detect_sram();
@@ -451,7 +465,7 @@ int __init omap_sram_init(void)
 	else if (cpu_is_omap34xx())
 		omap34xx_sram_init();
 	else if (cpu_is_omap44xx())
-		omap34xx_sram_init(); /* FIXME: */
+		omap44xx_sram_init();
 
 	return 0;
 }

From 7327d6374c3a6b610c0370d0dd26545efbdc3115 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:16 -0700
Subject: [PATCH 0667/3638] omap2/3/4: Add new boards to omap3_defconfig

Enable 2430 omaps and the missing boards.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap3_defconfig | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index d6ad9217732..01e5986bb48 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -264,7 +264,7 @@ CONFIG_MACH_OMAP_GENERIC=y
 # OMAP Core Type
 #
 CONFIG_ARCH_OMAP2420=y
-# CONFIG_ARCH_OMAP2430 is not set
+CONFIG_ARCH_OMAP2430=y
 CONFIG_ARCH_OMAP3430=y
 CONFIG_OMAP_PACKAGE_CBB=y
 CONFIG_OMAP_PACKAGE_CUS=y
@@ -276,8 +276,9 @@ CONFIG_OMAP_PACKAGE_CBP=y
 CONFIG_MACH_OMAP2_TUSB6010=y
 CONFIG_MACH_OMAP_H4=y
 CONFIG_MACH_OMAP_APOLLON=y
-# CONFIG_MACH_OMAP_2430SDP is not set
+CONFIG_MACH_OMAP_2430SDP=y
 CONFIG_MACH_OMAP3_BEAGLE=y
+CONFIG_MACH_DEVKIT8000=y
 CONFIG_MACH_OMAP_LDP=y
 CONFIG_MACH_OVERO=y
 CONFIG_MACH_OMAP3EVM=y

From 75eaf1eaa8184eaddd54cb1d1e489f5d66007960 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:16 -0700
Subject: [PATCH 0668/3638] omap2/3/4: Make omap3_defconfig usable on Nokia
 boards

The bootloader on Nokia boards does not support updating
the kernel cmdline. For the other boards, the bootloader
provided cmdline will be used instead.

To mount root on n8x0, compile in also the MMC_OMAP.
It seems that the best way to mount root with the
new kernels on Nokia boards is to mount root on mmcblk0p2.

Note that n8x0 current has several issues booting with
omap3_defconfig: The bootloader has a 2MB limit for loading
kernels, so you may want to use kexec. Also ARMv6 does
not currently work with ARMv7 for VFP and TLS.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap3_defconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index 01e5986bb48..d2ab4928db5 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -391,7 +391,7 @@ CONFIG_ALIGNMENT_TRAP=y
 #
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="root=/dev/nfs nfsroot=192.168.0.1:/home/user/buildroot ip=192.168.0.2:192.168.0.1:192.168.0.1:255.255.255.0:tgt:eth0:off rw console=ttyS2,115200n8"
+CONFIG_CMDLINE="root=/dev/mmcblk0p2 rootwait console=ttyS2,115200"
 # CONFIG_XIP_KERNEL is not set
 CONFIG_KEXEC=y
 CONFIG_ATAGS_PROC=y
@@ -1687,7 +1687,7 @@ CONFIG_SDIO_UART=y
 # MMC/SD/SDIO Host Controller Drivers
 #
 # CONFIG_MMC_SDHCI is not set
-# CONFIG_MMC_OMAP is not set
+CONFIG_MMC_OMAP=y
 CONFIG_MMC_OMAP_HS=y
 # CONFIG_MMC_AT91 is not set
 # CONFIG_MMC_ATMELMCI is not set

From 0c463d09f4b973a8c12f6177138f4dc67b4df705 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:16 -0700
Subject: [PATCH 0669/3638] omap2/3/4: Update PMIC options for TWL and Menelaus
 chips

These are needed for mounting root on MMC on many boards.
Also disable CONFIG_WATCHDOG_NOWAYOUT, that can keep the
system from running with external watchdogs.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap3_defconfig | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index d2ab4928db5..a8468365b49 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -1263,7 +1263,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LIS3_I2C is not set
 # CONFIG_THERMAL is not set
 CONFIG_WATCHDOG=y
-CONFIG_WATCHDOG_NOWAYOUT=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
 
 #
 # Watchdog Device Drivers
@@ -1292,9 +1292,9 @@ CONFIG_MFD_CORE=y
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_TPS65010 is not set
-# CONFIG_MENELAUS is not set
+CONFIG_MENELAUS=y
 CONFIG_TWL4030_CORE=y
-# CONFIG_TWL4030_POWER is not set
+CONFIG_TWL4030_POWER=y
 CONFIG_TWL4030_CODEC=y
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_T7L66XB is not set
@@ -1313,7 +1313,7 @@ CONFIG_TWL4030_CODEC=y
 # CONFIG_AB4500_CORE is not set
 CONFIG_REGULATOR=y
 # CONFIG_REGULATOR_DEBUG is not set
-CONFIG_REGULATOR_FIXED_VOLTAGE=y
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
 # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
 # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
 # CONFIG_REGULATOR_BQ24022 is not set
@@ -1321,8 +1321,8 @@ CONFIG_REGULATOR_FIXED_VOLTAGE=y
 # CONFIG_REGULATOR_MAX8660 is not set
 CONFIG_REGULATOR_TWL4030=y
 # CONFIG_REGULATOR_LP3971 is not set
-# CONFIG_REGULATOR_TPS65023 is not set
-# CONFIG_REGULATOR_TPS6507X is not set
+CONFIG_REGULATOR_TPS65023=y
+CONFIG_REGULATOR_TPS6507X=y
 # CONFIG_MEDIA_SUPPORT is not set
 
 #
@@ -1752,6 +1752,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_BQ32K is not set
+CONFIG_RTC_DRV_TWL92330=y
 CONFIG_RTC_DRV_TWL4030=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set

From df5d9411f999a0d943bbaa932850db708d5579ff Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 12:57:17 -0700
Subject: [PATCH 0670/3638] omap2/3/4: Disable CONFIG_PM_VERBOSE in
 omap3_defconfig

It's too noisy.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap3_defconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index a8468365b49..7855edb9ff2 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -444,7 +444,7 @@ CONFIG_BINFMT_MISC=y
 #
 CONFIG_PM=y
 CONFIG_PM_DEBUG=y
-CONFIG_PM_VERBOSE=y
+# CONFIG_PM_VERBOSE is not set
 CONFIG_CAN_PM_TRACE=y
 CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y

From 5e687eac1bd31baed110d239ef827d3ba666f311 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Tue, 4 May 2010 14:29:16 -0500
Subject: [PATCH 0671/3638] GFS2: Various gfs2_logd improvements

This patch contains various tweaks to how log flushes and active item writeback
work. gfs2_logd is now managed by a waitqueue, and gfs2_log_reseve now waits
for gfs2_logd to do the log flushing.  Multiple functions were rewritten to
remove the need to call gfs2_log_lock(). Instead of using one test to see if
gfs2_logd had work to do, there are now seperate tests to check if there
are two many buffers in the incore log or if there are two many items on the
active items list.

This patch is a port of a patch Steve Whitehouse wrote about a year ago, with
some minor changes.  Since gfs2_ail1_start always submits all the active items,
it no longer needs to keep track of the first ai submitted, so this has been
removed. In gfs2_log_reserve(), the order of the calls to
prepare_to_wait_exclusive() and wake_up() when firing off the logd thread has
been switched.  If it called wake_up first there was a small window for a race,
where logd could run and return before gfs2_log_reserve was ready to get woken
up. If gfs2_logd ran, but did not free up enough blocks, gfs2_log_reserve()
would be left waiting for gfs2_logd to eventualy run because it timed out.
Finally, gt_logd_secs, which controls how long to wait before gfs2_logd times
out, and flushes the log, can now be set on mount with ar_commit.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/incore.h     |  10 +--
 fs/gfs2/log.c        | 159 ++++++++++++++++++++++++-------------------
 fs/gfs2/log.h        |   1 -
 fs/gfs2/lops.c       |   2 +
 fs/gfs2/meta_io.c    |   1 +
 fs/gfs2/ops_fstype.c |  17 ++---
 fs/gfs2/super.c      |   8 +--
 fs/gfs2/sys.c        |   4 --
 fs/gfs2/trans.c      |  18 +++++
 9 files changed, 127 insertions(+), 93 deletions(-)

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 3aac46f6853..08dd6574547 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -439,9 +439,6 @@ struct gfs2_args {
 struct gfs2_tune {
 	spinlock_t gt_spin;
 
-	unsigned int gt_incore_log_blocks;
-	unsigned int gt_log_flush_secs;
-
 	unsigned int gt_logd_secs;
 
 	unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */
@@ -618,6 +615,7 @@ struct gfs2_sbd {
 	unsigned int sd_log_commited_databuf;
 	int sd_log_commited_revoke;
 
+	atomic_t sd_log_pinned;
 	unsigned int sd_log_num_buf;
 	unsigned int sd_log_num_revoke;
 	unsigned int sd_log_num_rg;
@@ -629,15 +627,17 @@ struct gfs2_sbd {
 	struct list_head sd_log_le_databuf;
 	struct list_head sd_log_le_ordered;
 
+	atomic_t sd_log_thresh1;
+	atomic_t sd_log_thresh2;
 	atomic_t sd_log_blks_free;
-	struct mutex sd_log_reserve_mutex;
+	wait_queue_head_t sd_log_waitq;
+	wait_queue_head_t sd_logd_waitq;
 
 	u64 sd_log_sequence;
 	unsigned int sd_log_head;
 	unsigned int sd_log_tail;
 	int sd_log_idle;
 
-	unsigned long sd_log_flush_time;
 	struct rw_semaphore sd_log_flush_lock;
 	atomic_t sd_log_in_flight;
 	wait_queue_head_t sd_log_flush_wait;
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index e5bf4b59d46..d5959df6deb 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -168,12 +168,11 @@ static int gfs2_ail1_empty_one(struct gfs2_sbd *sdp, struct gfs2_ail *ai, int fl
 	return list_empty(&ai->ai_ail1_list);
 }
 
-static void gfs2_ail1_start(struct gfs2_sbd *sdp, int flags)
+static void gfs2_ail1_start(struct gfs2_sbd *sdp)
 {
 	struct list_head *head;
 	u64 sync_gen;
-	struct list_head *first;
-	struct gfs2_ail *first_ai, *ai, *tmp;
+	struct gfs2_ail *ai;
 	int done = 0;
 
 	gfs2_log_lock(sdp);
@@ -184,21 +183,9 @@ static void gfs2_ail1_start(struct gfs2_sbd *sdp, int flags)
 	}
 	sync_gen = sdp->sd_ail_sync_gen++;
 
-	first = head->prev;
-	first_ai = list_entry(first, struct gfs2_ail, ai_list);
-	first_ai->ai_sync_gen = sync_gen;
-	gfs2_ail1_start_one(sdp, first_ai); /* This may drop log lock */
-
-	if (flags & DIO_ALL)
-		first = NULL;
-
 	while(!done) {
-		if (first && (head->prev != first ||
-			      gfs2_ail1_empty_one(sdp, first_ai, 0)))
-			break;
-
 		done = 1;
-		list_for_each_entry_safe_reverse(ai, tmp, head, ai_list) {
+		list_for_each_entry_reverse(ai, head, ai_list) {
 			if (ai->ai_sync_gen >= sync_gen)
 				continue;
 			ai->ai_sync_gen = sync_gen;
@@ -290,58 +277,57 @@ static void ail2_empty(struct gfs2_sbd *sdp, unsigned int new_tail)
  * flush time, so we ensure that we have just enough free blocks at all
  * times to avoid running out during a log flush.
  *
+ * We no longer flush the log here, instead we wake up logd to do that
+ * for us. To avoid the thundering herd and to ensure that we deal fairly
+ * with queued waiters, we use an exclusive wait. This means that when we
+ * get woken with enough journal space to get our reservation, we need to
+ * wake the next waiter on the list.
+ *
  * Returns: errno
  */
 
 int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks)
 {
-	unsigned int try = 0;
 	unsigned reserved_blks = 6 * (4096 / sdp->sd_vfs->s_blocksize);
+	unsigned wanted = blks + reserved_blks;
+	DEFINE_WAIT(wait);
+	int did_wait = 0;
+	unsigned int free_blocks;
 
 	if (gfs2_assert_warn(sdp, blks) ||
 	    gfs2_assert_warn(sdp, blks <= sdp->sd_jdesc->jd_blocks))
 		return -EINVAL;
-
-	mutex_lock(&sdp->sd_log_reserve_mutex);
-	gfs2_log_lock(sdp);
-	while(atomic_read(&sdp->sd_log_blks_free) <= (blks + reserved_blks)) {
-		gfs2_log_unlock(sdp);
-		gfs2_ail1_empty(sdp, 0);
-		gfs2_log_flush(sdp, NULL);
-
-		if (try++)
-			gfs2_ail1_start(sdp, 0);
-		gfs2_log_lock(sdp);
+retry:
+	free_blocks = atomic_read(&sdp->sd_log_blks_free);
+	if (unlikely(free_blocks <= wanted)) {
+		do {
+			prepare_to_wait_exclusive(&sdp->sd_log_waitq, &wait,
+					TASK_UNINTERRUPTIBLE);
+			wake_up(&sdp->sd_logd_waitq);
+			did_wait = 1;
+			if (atomic_read(&sdp->sd_log_blks_free) <= wanted)
+				io_schedule();
+			free_blocks = atomic_read(&sdp->sd_log_blks_free);
+		} while(free_blocks <= wanted);
+		finish_wait(&sdp->sd_log_waitq, &wait);
 	}
-	atomic_sub(blks, &sdp->sd_log_blks_free);
+	if (atomic_cmpxchg(&sdp->sd_log_blks_free, free_blocks,
+				free_blocks - blks) != free_blocks)
+		goto retry;
 	trace_gfs2_log_blocks(sdp, -blks);
-	gfs2_log_unlock(sdp);
-	mutex_unlock(&sdp->sd_log_reserve_mutex);
+
+	/*
+	 * If we waited, then so might others, wake them up _after_ we get
+	 * our share of the log.
+	 */
+	if (unlikely(did_wait))
+		wake_up(&sdp->sd_log_waitq);
 
 	down_read(&sdp->sd_log_flush_lock);
 
 	return 0;
 }
 
-/**
- * gfs2_log_release - Release a given number of log blocks
- * @sdp: The GFS2 superblock
- * @blks: The number of blocks
- *
- */
-
-void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks)
-{
-
-	gfs2_log_lock(sdp);
-	atomic_add(blks, &sdp->sd_log_blks_free);
-	trace_gfs2_log_blocks(sdp, blks);
-	gfs2_assert_withdraw(sdp,
-			     atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks);
-	gfs2_log_unlock(sdp);
-	up_read(&sdp->sd_log_flush_lock);
-}
-
 static u64 log_bmap(struct gfs2_sbd *sdp, unsigned int lbn)
 {
 	struct gfs2_journal_extent *je;
@@ -559,11 +545,10 @@ static void log_pull_tail(struct gfs2_sbd *sdp, unsigned int new_tail)
 
 	ail2_empty(sdp, new_tail);
 
-	gfs2_log_lock(sdp);
 	atomic_add(dist, &sdp->sd_log_blks_free);
 	trace_gfs2_log_blocks(sdp, dist);
-	gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks);
-	gfs2_log_unlock(sdp);
+	gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <=
+			     sdp->sd_jdesc->jd_blocks);
 
 	sdp->sd_log_tail = new_tail;
 }
@@ -822,6 +807,13 @@ static void buf_lo_incore_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
  * @sdp: the filesystem
  * @tr: the transaction
  *
+ * We wake up gfs2_logd if the number of pinned blocks exceed thresh1
+ * or the total number of used blocks (pinned blocks plus AIL blocks)
+ * is greater than thresh2.
+ *
+ * At mount time thresh1 is 1/3rd of journal size, thresh2 is 2/3rd of
+ * journal size.
+ *
  * Returns: errno
  */
 
@@ -832,10 +824,10 @@ void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
 
 	up_read(&sdp->sd_log_flush_lock);
 
-	gfs2_log_lock(sdp);
-	if (sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks))
-		wake_up_process(sdp->sd_logd_process);
-	gfs2_log_unlock(sdp);
+	if (atomic_read(&sdp->sd_log_pinned) > atomic_read(&sdp->sd_log_thresh1) ||
+	    ((sdp->sd_jdesc->jd_blocks - atomic_read(&sdp->sd_log_blks_free)) >
+	    atomic_read(&sdp->sd_log_thresh2)))
+		wake_up(&sdp->sd_logd_waitq);
 }
 
 /**
@@ -882,13 +874,23 @@ void gfs2_meta_syncfs(struct gfs2_sbd *sdp)
 {
 	gfs2_log_flush(sdp, NULL);
 	for (;;) {
-		gfs2_ail1_start(sdp, DIO_ALL);
+		gfs2_ail1_start(sdp);
 		if (gfs2_ail1_empty(sdp, DIO_ALL))
 			break;
 		msleep(10);
 	}
 }
 
+static inline int gfs2_jrnl_flush_reqd(struct gfs2_sbd *sdp)
+{
+	return (atomic_read(&sdp->sd_log_pinned) >= atomic_read(&sdp->sd_log_thresh1));
+}
+
+static inline int gfs2_ail_flush_reqd(struct gfs2_sbd *sdp)
+{
+	unsigned int used_blocks = sdp->sd_jdesc->jd_blocks - atomic_read(&sdp->sd_log_blks_free);
+	return used_blocks >= atomic_read(&sdp->sd_log_thresh2);
+}
 
 /**
  * gfs2_logd - Update log tail as Active Items get flushed to in-place blocks
@@ -901,28 +903,43 @@ void gfs2_meta_syncfs(struct gfs2_sbd *sdp)
 int gfs2_logd(void *data)
 {
 	struct gfs2_sbd *sdp = data;
-	unsigned long t;
-	int need_flush;
+	unsigned long t = 1;
+	DEFINE_WAIT(wait);
+	unsigned preflush;
 
 	while (!kthread_should_stop()) {
-		/* Advance the log tail */
 
-		t = sdp->sd_log_flush_time +
-		    gfs2_tune_get(sdp, gt_log_flush_secs) * HZ;
-
-		gfs2_ail1_empty(sdp, DIO_ALL);
-		gfs2_log_lock(sdp);
-		need_flush = sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks);
-		gfs2_log_unlock(sdp);
-		if (need_flush || time_after_eq(jiffies, t)) {
+		preflush = atomic_read(&sdp->sd_log_pinned);
+		if (gfs2_jrnl_flush_reqd(sdp) || t == 0) {
+			gfs2_ail1_empty(sdp, DIO_ALL);
 			gfs2_log_flush(sdp, NULL);
-			sdp->sd_log_flush_time = jiffies;
+			gfs2_ail1_empty(sdp, DIO_ALL);
 		}
 
+		if (gfs2_ail_flush_reqd(sdp)) {
+			gfs2_ail1_start(sdp);
+			io_schedule();
+			gfs2_ail1_empty(sdp, 0);
+			gfs2_log_flush(sdp, NULL);
+			gfs2_ail1_empty(sdp, DIO_ALL);
+		}
+
+		wake_up(&sdp->sd_log_waitq);
 		t = gfs2_tune_get(sdp, gt_logd_secs) * HZ;
 		if (freezing(current))
 			refrigerator();
-		schedule_timeout_interruptible(t);
+
+		do {
+			prepare_to_wait(&sdp->sd_logd_waitq, &wait,
+					TASK_UNINTERRUPTIBLE);
+			if (!gfs2_ail_flush_reqd(sdp) &&
+			    !gfs2_jrnl_flush_reqd(sdp) &&
+			    !kthread_should_stop())
+				t = schedule_timeout(t);
+		} while(t && !gfs2_ail_flush_reqd(sdp) &&
+			!gfs2_jrnl_flush_reqd(sdp) &&
+			!kthread_should_stop());
+		finish_wait(&sdp->sd_logd_waitq, &wait);
 	}
 
 	return 0;
diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h
index 7c64510ccfd..eb570b4ad44 100644
--- a/fs/gfs2/log.h
+++ b/fs/gfs2/log.h
@@ -51,7 +51,6 @@ unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
 			    unsigned int ssize);
 
 int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
-void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
 void gfs2_log_incr_head(struct gfs2_sbd *sdp);
 
 struct buffer_head *gfs2_log_get_buf(struct gfs2_sbd *sdp);
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index adc260fbea9..bf33f822058 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -54,6 +54,7 @@ static void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh)
 	if (bd->bd_ail)
 		list_move(&bd->bd_ail_st_list, &bd->bd_ail->ai_ail2_list);
 	get_bh(bh);
+	atomic_inc(&sdp->sd_log_pinned);
 	trace_gfs2_pin(bd, 1);
 }
 
@@ -94,6 +95,7 @@ static void gfs2_unpin(struct gfs2_sbd *sdp, struct buffer_head *bh,
 	trace_gfs2_pin(bd, 0);
 	gfs2_log_unlock(sdp);
 	unlock_buffer(bh);
+	atomic_dec(&sdp->sd_log_pinned);
 }
 
 
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 0bb12c80937..abafda1f637 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -313,6 +313,7 @@ void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int
 	struct gfs2_bufdata *bd = bh->b_private;
 
 	if (test_clear_buffer_pinned(bh)) {
+		atomic_dec(&sdp->sd_log_pinned);
 		list_del_init(&bd->bd_le.le_list);
 		if (meta) {
 			gfs2_assert_warn(sdp, sdp->sd_log_num_buf);
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index dc35f347027..3593b3a7290 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -57,8 +57,6 @@ static void gfs2_tune_init(struct gfs2_tune *gt)
 {
 	spin_lock_init(&gt->gt_spin);
 
-	gt->gt_incore_log_blocks = 1024;
-	gt->gt_logd_secs = 1;
 	gt->gt_quota_simul_sync = 64;
 	gt->gt_quota_warn_period = 10;
 	gt->gt_quota_scale_num = 1;
@@ -101,14 +99,15 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
 	spin_lock_init(&sdp->sd_trunc_lock);
 
 	spin_lock_init(&sdp->sd_log_lock);
-
+	atomic_set(&sdp->sd_log_pinned, 0);
 	INIT_LIST_HEAD(&sdp->sd_log_le_buf);
 	INIT_LIST_HEAD(&sdp->sd_log_le_revoke);
 	INIT_LIST_HEAD(&sdp->sd_log_le_rg);
 	INIT_LIST_HEAD(&sdp->sd_log_le_databuf);
 	INIT_LIST_HEAD(&sdp->sd_log_le_ordered);
 
-	mutex_init(&sdp->sd_log_reserve_mutex);
+	init_waitqueue_head(&sdp->sd_log_waitq);
+	init_waitqueue_head(&sdp->sd_logd_waitq);
 	INIT_LIST_HEAD(&sdp->sd_ail1_list);
 	INIT_LIST_HEAD(&sdp->sd_ail2_list);
 
@@ -733,6 +732,8 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
 	if (sdp->sd_args.ar_spectator) {
 		sdp->sd_jdesc = gfs2_jdesc_find(sdp, 0);
 		atomic_set(&sdp->sd_log_blks_free, sdp->sd_jdesc->jd_blocks);
+		atomic_set(&sdp->sd_log_thresh1, 2*sdp->sd_jdesc->jd_blocks/5);
+		atomic_set(&sdp->sd_log_thresh2, 4*sdp->sd_jdesc->jd_blocks/5);
 	} else {
 		if (sdp->sd_lockstruct.ls_jid >= gfs2_jindex_size(sdp)) {
 			fs_err(sdp, "can't mount journal #%u\n",
@@ -770,6 +771,8 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
 			goto fail_jinode_gh;
 		}
 		atomic_set(&sdp->sd_log_blks_free, sdp->sd_jdesc->jd_blocks);
+		atomic_set(&sdp->sd_log_thresh1, 2*sdp->sd_jdesc->jd_blocks/5);
+		atomic_set(&sdp->sd_log_thresh2, 4*sdp->sd_jdesc->jd_blocks/5);
 
 		/* Map the extents for this journal's blocks */
 		map_journal_extents(sdp);
@@ -951,8 +954,6 @@ static int init_threads(struct gfs2_sbd *sdp, int undo)
 	if (undo)
 		goto fail_quotad;
 
-	sdp->sd_log_flush_time = jiffies;
-
 	p = kthread_run(gfs2_logd, sdp, "gfs2_logd");
 	error = IS_ERR(p);
 	if (error) {
@@ -1160,7 +1161,7 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent
                                GFS2_BASIC_BLOCK_SHIFT;
 	sdp->sd_fsb2bb = 1 << sdp->sd_fsb2bb_shift;
 
-	sdp->sd_tune.gt_log_flush_secs = sdp->sd_args.ar_commit;
+	sdp->sd_tune.gt_logd_secs = sdp->sd_args.ar_commit;
 	sdp->sd_tune.gt_quota_quantum = sdp->sd_args.ar_quota_quantum;
 	if (sdp->sd_args.ar_statfs_quantum) {
 		sdp->sd_tune.gt_statfs_slow = 0;
@@ -1323,7 +1324,7 @@ static int gfs2_get_sb(struct file_system_type *fs_type, int flags,
 	memset(&args, 0, sizeof(args));
 	args.ar_quota = GFS2_QUOTA_DEFAULT;
 	args.ar_data = GFS2_DATA_DEFAULT;
-	args.ar_commit = 60;
+	args.ar_commit = 30;
 	args.ar_statfs_quantum = 30;
 	args.ar_quota_quantum = 60;
 	args.ar_errors = GFS2_ERRORS_DEFAULT;
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 50aac606b99..7a93e9ff7d3 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1113,7 +1113,7 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data)
 	int error;
 
 	spin_lock(&gt->gt_spin);
-	args.ar_commit = gt->gt_log_flush_secs;
+	args.ar_commit = gt->gt_logd_secs;
 	args.ar_quota_quantum = gt->gt_quota_quantum;
 	if (gt->gt_statfs_slow)
 		args.ar_statfs_quantum = 0;
@@ -1160,7 +1160,7 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data)
 	else
 		clear_bit(SDF_NOBARRIERS, &sdp->sd_flags);
 	spin_lock(&gt->gt_spin);
-	gt->gt_log_flush_secs = args.ar_commit;
+	gt->gt_logd_secs = args.ar_commit;
 	gt->gt_quota_quantum = args.ar_quota_quantum;
 	if (args.ar_statfs_quantum) {
 		gt->gt_statfs_slow = 0;
@@ -1305,8 +1305,8 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
 	}
 	if (args->ar_discard)
 		seq_printf(s, ",discard");
-	val = sdp->sd_tune.gt_log_flush_secs;
-	if (val != 60)
+	val = sdp->sd_tune.gt_logd_secs;
+	if (val != 30)
 		seq_printf(s, ",commit=%d", val);
 	val = sdp->sd_tune.gt_statfs_quantum;
 	if (val != 30)
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 419042f7f0b..2ac845d9c46 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -469,8 +469,6 @@ static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\
 }                                                                             \
 TUNE_ATTR_2(name, name##_store)
 
-TUNE_ATTR(incore_log_blocks, 0);
-TUNE_ATTR(log_flush_secs, 0);
 TUNE_ATTR(quota_warn_period, 0);
 TUNE_ATTR(quota_quantum, 0);
 TUNE_ATTR(max_readahead, 0);
@@ -482,8 +480,6 @@ TUNE_ATTR(statfs_quantum, 1);
 TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store);
 
 static struct attribute *tune_attrs[] = {
-	&tune_attr_incore_log_blocks.attr,
-	&tune_attr_log_flush_secs.attr,
 	&tune_attr_quota_warn_period.attr,
 	&tune_attr_quota_quantum.attr,
 	&tune_attr_max_readahead.attr,
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 4ef0e9fa354..9ec73a85411 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -23,6 +23,7 @@
 #include "meta_io.h"
 #include "trans.h"
 #include "util.h"
+#include "trace_gfs2.h"
 
 int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
 		     unsigned int revokes)
@@ -75,6 +76,23 @@ fail_holder_uninit:
 	return error;
 }
 
+/**
+ * gfs2_log_release - Release a given number of log blocks
+ * @sdp: The GFS2 superblock
+ * @blks: The number of blocks
+ *
+ */
+
+static void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks)
+{
+
+	atomic_add(blks, &sdp->sd_log_blks_free);
+	trace_gfs2_log_blocks(sdp, blks);
+	gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <=
+				  sdp->sd_jdesc->jd_blocks);
+	up_read(&sdp->sd_log_flush_lock);
+}
+
 void gfs2_trans_end(struct gfs2_sbd *sdp)
 {
 	struct gfs2_trans *tr = current->journal_info;

From ad6bb90f3401556469489f237cb08626d88703d2 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 5 May 2010 00:10:56 +0200
Subject: [PATCH 0672/3638] GFS2: fix quota state reporting

We need to report both the accounting and enforcing flags if we are
in enforcing mode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/quota.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 6dbcbad6ab1..6ca0967ce6e 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1418,10 +1418,18 @@ static int gfs2_quota_get_xstate(struct super_block *sb,
 
 	memset(fqs, 0, sizeof(struct fs_quota_stat));
 	fqs->qs_version = FS_QSTAT_VERSION;
-	if (sdp->sd_args.ar_quota == GFS2_QUOTA_ON)
-		fqs->qs_flags = (XFS_QUOTA_UDQ_ENFD | XFS_QUOTA_GDQ_ENFD);
-	else if (sdp->sd_args.ar_quota == GFS2_QUOTA_ACCOUNT)
-		fqs->qs_flags = (XFS_QUOTA_UDQ_ACCT | XFS_QUOTA_GDQ_ACCT);
+
+	switch (sdp->sd_args.ar_quota) {
+	case GFS2_QUOTA_ON:
+		fqs->qs_flags |= (XFS_QUOTA_UDQ_ENFD | XFS_QUOTA_GDQ_ENFD);
+		/*FALLTHRU*/
+	case GFS2_QUOTA_ACCOUNT:
+		fqs->qs_flags |= (XFS_QUOTA_UDQ_ACCT | XFS_QUOTA_GDQ_ACCT);
+		break;
+	case GFS2_QUOTA_OFF:
+		break;
+	}
+
 	if (sdp->sd_quota_inode) {
 		fqs->qs_uquota.qfs_ino = GFS2_I(sdp->sd_quota_inode)->i_no_addr;
 		fqs->qs_uquota.qfs_nblks = sdp->sd_quota_inode->i_blocks;

From 471c70ff39809af783c7718defe574a9ba81dd26 Mon Sep 17 00:00:00 2001
From: Torez Smith <lnxtorez@linux.vnet.ibm.com>
Date: Fri, 5 Mar 2010 10:43:01 +0000
Subject: [PATCH 0673/3638] powerpc/booke: Add Stack Marking support to Booke
 Exception Prolog

This patch adds a marker to the exception stack frame to aid in debugging.
It's already inserted on other platforms and xmon recognizes it and
identifies exception frames when showing stack traces.

Signed-off-by: Torez Smith  <lnxtorez@linux.vnet.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/kernel/head_booke.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index 50504ae39cb..a0bf158c8b4 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -1,6 +1,7 @@
 #ifndef __HEAD_BOOKE_H__
 #define __HEAD_BOOKE_H__
 
+#include <asm/ptrace.h>	/* for STACK_FRAME_REGS_MARKER */
 /*
  * Macros used for common Book-e exception handling
  */
@@ -48,6 +49,9 @@
 	stw	r10,0(r11);						     \
 	rlwinm	r9,r9,0,14,12;		/* clear MSR_WE (necessary?)	   */\
 	stw	r0,GPR0(r11);						     \
+	lis	r10, STACK_FRAME_REGS_MARKER@ha;/* exception frame marker */ \
+	addi	r10, r10, STACK_FRAME_REGS_MARKER@l;			     \
+	stw	r10, 8(r11);						     \
 	SAVE_4GPRS(3, r11);						     \
 	SAVE_2GPRS(7, r11)
 

From 795033c344d88dc6aa5106d0cc358656f29bd722 Mon Sep 17 00:00:00 2001
From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Date: Fri, 5 Mar 2010 10:43:07 +0000
Subject: [PATCH 0674/3638] powerpc/44x: break out cpu init code into
 stand-alone function

The 47x platform supports multiple cores and shares code with 44x.
Break out code that is common for initializing the primary and secondary
cpus into a function which can be called for both.

Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/kernel/head_44x.S | 330 +++++++++++++++++----------------
 1 file changed, 171 insertions(+), 159 deletions(-)

diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 711368b993f..39be049a785 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -69,165 +69,7 @@ _ENTRY(_start);
 	mr	r27,r7
 	li	r24,0		/* CPU number */
 
-/*
- * In case the firmware didn't do it, we apply some workarounds
- * that are good for all 440 core variants here
- */
-	mfspr	r3,SPRN_CCR0
-	rlwinm	r3,r3,0,0,27	/* disable icache prefetch */
-	isync
-	mtspr	SPRN_CCR0,r3
-	isync
-	sync
-
-/*
- * Set up the initial MMU state
- *
- * We are still executing code at the virtual address
- * mappings set by the firmware for the base of RAM.
- *
- * We first invalidate all TLB entries but the one
- * we are running from.  We then load the KERNELBASE
- * mappings so we can begin to use kernel addresses
- * natively and so the interrupt vector locations are
- * permanently pinned (necessary since Book E
- * implementations always have translation enabled).
- *
- * TODO: Use the known TLB entry we are running from to
- *	 determine which physical region we are located
- *	 in.  This can be used to determine where in RAM
- *	 (on a shared CPU system) or PCI memory space
- *	 (on a DRAMless system) we are located.
- *       For now, we assume a perfect world which means
- *	 we are located at the base of DRAM (physical 0).
- */
-
-/*
- * Search TLB for entry that we are currently using.
- * Invalidate all entries but the one we are using.
- */
-	/* Load our current PID->MMUCR TID and MSR IS->MMUCR STS */
-	mfspr	r3,SPRN_PID			/* Get PID */
-	mfmsr	r4				/* Get MSR */
-	andi.	r4,r4,MSR_IS@l			/* TS=1? */
-	beq	wmmucr				/* If not, leave STS=0 */
-	oris	r3,r3,PPC44x_MMUCR_STS@h	/* Set STS=1 */
-wmmucr:	mtspr	SPRN_MMUCR,r3			/* Put MMUCR */
-	sync
-
-	bl	invstr				/* Find our address */
-invstr:	mflr	r5				/* Make it accessible */
-	tlbsx	r23,0,r5			/* Find entry we are in */
-	li	r4,0				/* Start at TLB entry 0 */
-	li	r3,0				/* Set PAGEID inval value */
-1:	cmpw	r23,r4				/* Is this our entry? */
-	beq	skpinv				/* If so, skip the inval */
-	tlbwe	r3,r4,PPC44x_TLB_PAGEID		/* If not, inval the entry */
-skpinv:	addi	r4,r4,1				/* Increment */
-	cmpwi	r4,64				/* Are we done? */
-	bne	1b				/* If not, repeat */
-	isync					/* If so, context change */
-
-/*
- * Configure and load pinned entry into TLB slot 63.
- */
-
-	lis	r3,PAGE_OFFSET@h
-	ori	r3,r3,PAGE_OFFSET@l
-
-	/* Kernel is at the base of RAM */
-	li r4, 0			/* Load the kernel physical address */
-
-	/* Load the kernel PID = 0 */
-	li	r0,0
-	mtspr	SPRN_PID,r0
-	sync
-
-	/* Initialize MMUCR */
-	li	r5,0
-	mtspr	SPRN_MMUCR,r5
-	sync
-
- 	/* pageid fields */
-	clrrwi	r3,r3,10		/* Mask off the effective page number */
-	ori	r3,r3,PPC44x_TLB_VALID | PPC44x_TLB_256M
-
-	/* xlat fields */
-	clrrwi	r4,r4,10		/* Mask off the real page number */
-					/* ERPN is 0 for first 4GB page */
-
-	/* attrib fields */
-	/* Added guarded bit to protect against speculative loads/stores */
-	li	r5,0
-	ori	r5,r5,(PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_SX | PPC44x_TLB_G)
-
-        li      r0,63                    /* TLB slot 63 */
-
-	tlbwe	r3,r0,PPC44x_TLB_PAGEID	/* Load the pageid fields */
-	tlbwe	r4,r0,PPC44x_TLB_XLAT	/* Load the translation fields */
-	tlbwe	r5,r0,PPC44x_TLB_ATTRIB	/* Load the attrib/access fields */
-
-	/* Force context change */
-	mfmsr	r0
-	mtspr	SPRN_SRR1, r0
-	lis	r0,3f@h
-	ori	r0,r0,3f@l
-	mtspr	SPRN_SRR0,r0
-	sync
-	rfi
-
-	/* If necessary, invalidate original entry we used */
-3:	cmpwi	r23,63
-	beq	4f
-	li	r6,0
-	tlbwe   r6,r23,PPC44x_TLB_PAGEID
-	isync
-
-4:
-#ifdef CONFIG_PPC_EARLY_DEBUG_44x
-	/* Add UART mapping for early debug. */
-
- 	/* pageid fields */
-	lis	r3,PPC44x_EARLY_DEBUG_VIRTADDR@h
-	ori	r3,r3,PPC44x_TLB_VALID|PPC44x_TLB_TS|PPC44x_TLB_64K
-
-	/* xlat fields */
-	lis	r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW@h
-	ori	r4,r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH
-
-	/* attrib fields */
-	li	r5,(PPC44x_TLB_SW|PPC44x_TLB_SR|PPC44x_TLB_I|PPC44x_TLB_G)
-        li      r0,62                    /* TLB slot 0 */
-
-	tlbwe	r3,r0,PPC44x_TLB_PAGEID
-	tlbwe	r4,r0,PPC44x_TLB_XLAT
-	tlbwe	r5,r0,PPC44x_TLB_ATTRIB
-
-	/* Force context change */
-	isync
-#endif /* CONFIG_PPC_EARLY_DEBUG_44x */
-
-	/* Establish the interrupt vector offsets */
-	SET_IVOR(0,  CriticalInput);
-	SET_IVOR(1,  MachineCheck);
-	SET_IVOR(2,  DataStorage);
-	SET_IVOR(3,  InstructionStorage);
-	SET_IVOR(4,  ExternalInput);
-	SET_IVOR(5,  Alignment);
-	SET_IVOR(6,  Program);
-	SET_IVOR(7,  FloatingPointUnavailable);
-	SET_IVOR(8,  SystemCall);
-	SET_IVOR(9,  AuxillaryProcessorUnavailable);
-	SET_IVOR(10, Decrementer);
-	SET_IVOR(11, FixedIntervalTimer);
-	SET_IVOR(12, WatchdogTimer);
-	SET_IVOR(13, DataTLBError);
-	SET_IVOR(14, InstructionTLBError);
-	SET_IVOR(15, DebugCrit);
-
-	/* Establish the interrupt vector base */
-	lis	r4,interrupt_base@h	/* IVPR only uses the high 16-bits */
-	mtspr	SPRN_IVPR,r4
+	bl	init_cpu_state
 
 	/*
 	 * This is where the main kernel code starts.
@@ -646,6 +488,176 @@ _GLOBAL(set_context)
 	isync			/* Force context change */
 	blr
 
+/*
+ * Init CPU state. This is called at boot time or for secondary CPUs
+ * to setup initial TLB entries, setup IVORs, etc...
+ */
+_GLOBAL(init_cpu_state)
+	mflr	r22
+/*
+ * In case the firmware didn't do it, we apply some workarounds
+ * that are good for all 440 core variants here
+ */
+	mfspr	r3,SPRN_CCR0
+	rlwinm	r3,r3,0,0,27	/* disable icache prefetch */
+	isync
+	mtspr	SPRN_CCR0,r3
+	isync
+	sync
+
+/*
+ * Set up the initial MMU state
+ *
+ * We are still executing code at the virtual address
+ * mappings set by the firmware for the base of RAM.
+ *
+ * We first invalidate all TLB entries but the one
+ * we are running from.  We then load the KERNELBASE
+ * mappings so we can begin to use kernel addresses
+ * natively and so the interrupt vector locations are
+ * permanently pinned (necessary since Book E
+ * implementations always have translation enabled).
+ *
+ * TODO: Use the known TLB entry we are running from to
+ *	 determine which physical region we are located
+ *	 in.  This can be used to determine where in RAM
+ *	 (on a shared CPU system) or PCI memory space
+ *	 (on a DRAMless system) we are located.
+ *       For now, we assume a perfect world which means
+ *	 we are located at the base of DRAM (physical 0).
+ */
+
+/*
+ * Search TLB for entry that we are currently using.
+ * Invalidate all entries but the one we are using.
+ */
+	/* Load our current PID->MMUCR TID and MSR IS->MMUCR STS */
+	mfspr	r3,SPRN_PID			/* Get PID */
+	mfmsr	r4				/* Get MSR */
+	andi.	r4,r4,MSR_IS@l			/* TS=1? */
+	beq	wmmucr				/* If not, leave STS=0 */
+	oris	r3,r3,PPC44x_MMUCR_STS@h	/* Set STS=1 */
+wmmucr:	mtspr	SPRN_MMUCR,r3			/* Put MMUCR */
+	sync
+
+	bl	invstr				/* Find our address */
+invstr:	mflr	r5				/* Make it accessible */
+	tlbsx	r23,0,r5			/* Find entry we are in */
+	li	r4,0				/* Start at TLB entry 0 */
+	li	r3,0				/* Set PAGEID inval value */
+1:	cmpw	r23,r4				/* Is this our entry? */
+	beq	skpinv				/* If so, skip the inval */
+	tlbwe	r3,r4,PPC44x_TLB_PAGEID		/* If not, inval the entry */
+skpinv:	addi	r4,r4,1				/* Increment */
+	cmpwi	r4,64				/* Are we done? */
+	bne	1b				/* If not, repeat */
+	isync					/* If so, context change */
+
+/*
+ * Configure and load pinned entry into TLB slot 63.
+ */
+
+	lis	r3,PAGE_OFFSET@h
+	ori	r3,r3,PAGE_OFFSET@l
+
+	/* Kernel is at the base of RAM */
+	li r4, 0			/* Load the kernel physical address */
+
+	/* Load the kernel PID = 0 */
+	li	r0,0
+	mtspr	SPRN_PID,r0
+	sync
+
+	/* Initialize MMUCR */
+	li	r5,0
+	mtspr	SPRN_MMUCR,r5
+	sync
+
+	/* pageid fields */
+	clrrwi	r3,r3,10		/* Mask off the effective page number */
+	ori	r3,r3,PPC44x_TLB_VALID | PPC44x_TLB_256M
+
+	/* xlat fields */
+	clrrwi	r4,r4,10		/* Mask off the real page number */
+					/* ERPN is 0 for first 4GB page */
+
+	/* attrib fields */
+	/* Added guarded bit to protect against speculative loads/stores */
+	li	r5,0
+	ori	r5,r5,(PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_SX | PPC44x_TLB_G)
+
+        li      r0,63                    /* TLB slot 63 */
+
+	tlbwe	r3,r0,PPC44x_TLB_PAGEID	/* Load the pageid fields */
+	tlbwe	r4,r0,PPC44x_TLB_XLAT	/* Load the translation fields */
+	tlbwe	r5,r0,PPC44x_TLB_ATTRIB	/* Load the attrib/access fields */
+
+	/* Force context change */
+	mfmsr	r0
+	mtspr	SPRN_SRR1, r0
+	lis	r0,3f@h
+	ori	r0,r0,3f@l
+	mtspr	SPRN_SRR0,r0
+	sync
+	rfi
+
+	/* If necessary, invalidate original entry we used */
+3:	cmpwi	r23,63
+	beq	4f
+	li	r6,0
+	tlbwe   r6,r23,PPC44x_TLB_PAGEID
+	isync
+
+4:
+#ifdef CONFIG_PPC_EARLY_DEBUG_44x
+	/* Add UART mapping for early debug. */
+
+	/* pageid fields */
+	lis	r3,PPC44x_EARLY_DEBUG_VIRTADDR@h
+	ori	r3,r3,PPC44x_TLB_VALID|PPC44x_TLB_TS|PPC44x_TLB_64K
+
+	/* xlat fields */
+	lis	r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW@h
+	ori	r4,r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH
+
+	/* attrib fields */
+	li	r5,(PPC44x_TLB_SW|PPC44x_TLB_SR|PPC44x_TLB_I|PPC44x_TLB_G)
+        li      r0,62                    /* TLB slot 0 */
+
+	tlbwe	r3,r0,PPC44x_TLB_PAGEID
+	tlbwe	r4,r0,PPC44x_TLB_XLAT
+	tlbwe	r5,r0,PPC44x_TLB_ATTRIB
+
+	/* Force context change */
+	isync
+#endif /* CONFIG_PPC_EARLY_DEBUG_44x */
+
+	/* Establish the interrupt vector offsets */
+	SET_IVOR(0,  CriticalInput);
+	SET_IVOR(1,  MachineCheck);
+	SET_IVOR(2,  DataStorage);
+	SET_IVOR(3,  InstructionStorage);
+	SET_IVOR(4,  ExternalInput);
+	SET_IVOR(5,  Alignment);
+	SET_IVOR(6,  Program);
+	SET_IVOR(7,  FloatingPointUnavailable);
+	SET_IVOR(8,  SystemCall);
+	SET_IVOR(9,  AuxillaryProcessorUnavailable);
+	SET_IVOR(10, Decrementer);
+	SET_IVOR(11, FixedIntervalTimer);
+	SET_IVOR(12, WatchdogTimer);
+	SET_IVOR(13, DataTLBError);
+	SET_IVOR(14, InstructionTLBError);
+	SET_IVOR(15, DebugCrit);
+
+	/* Establish the interrupt vector base */
+	lis	r4,interrupt_base@h	/* IVPR only uses the high 16-bits */
+	mtspr	SPRN_IVPR,r4
+
+	addis	r22,r22,KERNELBASE@h
+	mtlr	r22
+	blr
+
 /*
  * We put a few things here that have to be page-aligned. This stuff
  * goes at the beginning of the data segment, which is page-aligned.

From e7f75ad01d590243904c2d95ab47e6b2e9ef6dad Mon Sep 17 00:00:00 2001
From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Date: Fri, 5 Mar 2010 10:43:12 +0000
Subject: [PATCH 0675/3638] powerpc/47x: Base ppc476 support

This patch adds the base support for the 476 processor.  The code was
primarily written by Ben Herrenschmidt and Torez Smith, but I've been
maintaining it for a while.

The goal is to have a single binary that will run on 44x and 47x, but
we still have some details to work out.  The biggest is that the L1 cache
line size differs on the two platforms, but it's currently a compile-time
option.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Torez Smith  <lnxtorez@linux.vnet.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/cache.h       |   6 +-
 arch/powerpc/include/asm/cputable.h    |   4 +
 arch/powerpc/include/asm/mmu-44x.h     |  51 ++-
 arch/powerpc/include/asm/mmu.h         |   1 +
 arch/powerpc/include/asm/reg.h         |   1 +
 arch/powerpc/include/asm/reg_booke.h   |  24 ++
 arch/powerpc/kernel/cputable.c         |  13 +
 arch/powerpc/kernel/entry_32.S         |   5 +
 arch/powerpc/kernel/head_44x.S         | 502 ++++++++++++++++++++++++-
 arch/powerpc/kernel/misc_32.S          |   9 +-
 arch/powerpc/kernel/smp.c              |   8 +
 arch/powerpc/mm/44x_mmu.c              | 144 ++++++-
 arch/powerpc/mm/mmu_context_nohash.c   |   8 +
 arch/powerpc/mm/mmu_decl.h             |   7 +-
 arch/powerpc/mm/tlb_nohash_low.S       | 118 +++++-
 arch/powerpc/platforms/44x/Kconfig     |   9 +
 arch/powerpc/platforms/Kconfig.cputype |   5 +-
 17 files changed, 871 insertions(+), 44 deletions(-)

diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index 81de6eb3455..725634fc18c 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -12,8 +12,12 @@
 #define L1_CACHE_SHIFT		6
 #define MAX_COPY_PREFETCH	4
 #elif defined(CONFIG_PPC32)
-#define L1_CACHE_SHIFT		5
 #define MAX_COPY_PREFETCH	4
+#if defined(CONFIG_PPC_47x)
+#define L1_CACHE_SHIFT		7
+#else
+#define L1_CACHE_SHIFT		5
+#endif
 #else /* CONFIG_PPC64 */
 #define L1_CACHE_SHIFT		7
 #endif
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index abb833b0e58..97ab5089df6 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -365,6 +365,7 @@ extern const char *powerpc_base_platform;
 #define CPU_FTRS_44X	(CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
 #define CPU_FTRS_440x6	(CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \
 	    CPU_FTR_INDEXED_DCR)
+#define CPU_FTRS_47X	(CPU_FTRS_440x6)
 #define CPU_FTRS_E200	(CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
 	    CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
 	    CPU_FTR_UNIFIED_ID_CACHE | CPU_FTR_NOEXECUTE)
@@ -453,6 +454,9 @@ enum {
 #ifdef CONFIG_44x
 	    CPU_FTRS_44X | CPU_FTRS_440x6 |
 #endif
+#ifdef CONFIG_PPC_47x
+	    CPU_FTRS_47X |
+#endif
 #ifdef CONFIG_E200
 	    CPU_FTRS_E200 |
 #endif
diff --git a/arch/powerpc/include/asm/mmu-44x.h b/arch/powerpc/include/asm/mmu-44x.h
index 0372669383a..bf52d704fc4 100644
--- a/arch/powerpc/include/asm/mmu-44x.h
+++ b/arch/powerpc/include/asm/mmu-44x.h
@@ -40,7 +40,7 @@
 #define PPC44x_TLB_I		0x00000400      /* Caching is inhibited */
 #define PPC44x_TLB_M		0x00000200      /* Memory is coherent */
 #define PPC44x_TLB_G		0x00000100      /* Memory is guarded */
-#define PPC44x_TLB_E		0x00000080      /* Memory is guarded */
+#define PPC44x_TLB_E		0x00000080      /* Memory is little endian */
 
 #define PPC44x_TLB_PERM_MASK	0x0000003f
 #define PPC44x_TLB_UX		0x00000020      /* User execution */
@@ -53,6 +53,52 @@
 /* Number of TLB entries */
 #define PPC44x_TLB_SIZE		64
 
+/* 47x bits */
+#define PPC47x_MMUCR_TID	0x0000ffff
+#define PPC47x_MMUCR_STS	0x00010000
+
+/* Page identification fields */
+#define PPC47x_TLB0_EPN_MASK	0xfffff000      /* Effective Page Number */
+#define PPC47x_TLB0_VALID	0x00000800      /* Valid flag */
+#define PPC47x_TLB0_TS		0x00000400	/* Translation address space */
+#define PPC47x_TLB0_4K		0x00000000
+#define PPC47x_TLB0_16K		0x00000010
+#define PPC47x_TLB0_64K		0x00000030
+#define PPC47x_TLB0_1M		0x00000070
+#define PPC47x_TLB0_16M		0x000000f0
+#define PPC47x_TLB0_256M	0x000001f0
+#define PPC47x_TLB0_1G		0x000003f0
+#define PPC47x_TLB0_BOLTED_R	0x00000008	/* tlbre only */
+
+/* Translation fields */
+#define PPC47x_TLB1_RPN_MASK	0xfffff000      /* Real Page Number */
+#define PPC47x_TLB1_ERPN_MASK	0x000003ff
+
+/* Storage attribute and access control fields */
+#define PPC47x_TLB2_ATTR_MASK	0x0003ff80
+#define PPC47x_TLB2_IL1I	0x00020000      /* Memory is guarded */
+#define PPC47x_TLB2_IL1D	0x00010000      /* Memory is guarded */
+#define PPC47x_TLB2_U0		0x00008000      /* User 0 */
+#define PPC47x_TLB2_U1		0x00004000      /* User 1 */
+#define PPC47x_TLB2_U2		0x00002000      /* User 2 */
+#define PPC47x_TLB2_U3		0x00001000      /* User 3 */
+#define PPC47x_TLB2_W		0x00000800      /* Caching is write-through */
+#define PPC47x_TLB2_I		0x00000400      /* Caching is inhibited */
+#define PPC47x_TLB2_M		0x00000200      /* Memory is coherent */
+#define PPC47x_TLB2_G		0x00000100      /* Memory is guarded */
+#define PPC47x_TLB2_E		0x00000080      /* Memory is little endian */
+#define PPC47x_TLB2_PERM_MASK	0x0000003f
+#define PPC47x_TLB2_UX		0x00000020      /* User execution */
+#define PPC47x_TLB2_UW		0x00000010      /* User write */
+#define PPC47x_TLB2_UR		0x00000008      /* User read */
+#define PPC47x_TLB2_SX		0x00000004      /* Super execution */
+#define PPC47x_TLB2_SW		0x00000002      /* Super write */
+#define PPC47x_TLB2_SR		0x00000001      /* Super read */
+#define PPC47x_TLB2_U_RWX	(PPC47x_TLB2_UX|PPC47x_TLB2_UW|PPC47x_TLB2_UR)
+#define PPC47x_TLB2_S_RWX	(PPC47x_TLB2_SX|PPC47x_TLB2_SW|PPC47x_TLB2_SR)
+#define PPC47x_TLB2_S_RW	(PPC47x_TLB2_SW | PPC47x_TLB2_SR)
+#define PPC47x_TLB2_IMG		(PPC47x_TLB2_I | PPC47x_TLB2_M | PPC47x_TLB2_G)
+
 #ifndef __ASSEMBLY__
 
 extern unsigned int tlb_44x_hwater;
@@ -79,12 +125,15 @@ typedef struct {
 
 #if (PAGE_SHIFT == 12)
 #define PPC44x_TLBE_SIZE	PPC44x_TLB_4K
+#define PPC47x_TLBE_SIZE	PPC47x_TLB0_4K
 #define mmu_virtual_psize	MMU_PAGE_4K
 #elif (PAGE_SHIFT == 14)
 #define PPC44x_TLBE_SIZE	PPC44x_TLB_16K
+#define PPC47x_TLBE_SIZE	PPC47x_TLB0_16K
 #define mmu_virtual_psize	MMU_PAGE_16K
 #elif (PAGE_SHIFT == 16)
 #define PPC44x_TLBE_SIZE	PPC44x_TLB_64K
+#define PPC47x_TLBE_SIZE	PPC47x_TLB0_64K
 #define mmu_virtual_psize	MMU_PAGE_64K
 #elif (PAGE_SHIFT == 18)
 #define PPC44x_TLBE_SIZE	PPC44x_TLB_256K
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 7ffbb65ff7a..7ebf42ed84a 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -18,6 +18,7 @@
 #define MMU_FTR_TYPE_44x		ASM_CONST(0x00000008)
 #define MMU_FTR_TYPE_FSL_E		ASM_CONST(0x00000010)
 #define MMU_FTR_TYPE_3E			ASM_CONST(0x00000020)
+#define MMU_FTR_TYPE_47x		ASM_CONST(0x00000040)
 
 /*
  * This is individual features
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 5572e86223f..b2d1ac635f2 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -817,6 +817,7 @@
 #define PVR_403GC	0x00200200
 #define PVR_403GCX	0x00201400
 #define PVR_405GP	0x40110000
+#define PVR_476		0x11a52000
 #define PVR_STB03XXX	0x40310000
 #define PVR_NP405H	0x41410000
 #define PVR_NP405L	0x41610000
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 414d434a66d..5304a37ba42 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -191,6 +191,10 @@
 #define MCSR_DCFP	0x01000000 /* D-Cache Flush Parity Error */
 #define MCSR_IMPE	0x00800000 /* Imprecise Machine Check Exception */
 
+#define PPC47x_MCSR_GPR	0x01000000 /* GPR parity error */
+#define PPC47x_MCSR_FPR	0x00800000 /* FPR parity error */
+#define PPC47x_MCSR_IPR	0x00400000 /* Imprecise Machine Check Exception */
+
 #ifdef CONFIG_E500
 #define MCSR_MCP 	0x80000000UL /* Machine Check Input Pin */
 #define MCSR_ICPERR 	0x40000000UL /* I-Cache Parity Error */
@@ -604,5 +608,25 @@
 #define DBCR_JOI	0x00000002	/* JTAG Serial Outbound Int. Enable */
 #define DBCR_JII	0x00000001	/* JTAG Serial Inbound Int. Enable */
 #endif /* 403GCX */
+
+/* Some 476 specific registers */
+#define SPRN_SSPCR		830
+#define SPRN_USPCR		831
+#define SPRN_ISPCR		829
+#define SPRN_MMUBE0		820
+#define MMUBE0_IBE0_SHIFT	24
+#define MMUBE0_IBE1_SHIFT	16
+#define MMUBE0_IBE2_SHIFT	8
+#define MMUBE0_VBE0		0x00000004
+#define MMUBE0_VBE1		0x00000002
+#define MMUBE0_VBE2		0x00000001
+#define SPRN_MMUBE1		821
+#define MMUBE1_IBE3_SHIFT	24
+#define MMUBE1_IBE4_SHIFT	16
+#define MMUBE1_IBE5_SHIFT	8
+#define MMUBE1_VBE3		0x00000004
+#define MMUBE1_VBE4		0x00000002
+#define MMUBE1_VBE5		0x00000001
+
 #endif /* __ASM_POWERPC_REG_BOOKE_H__ */
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 8af4949434b..a1d84583972 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1701,6 +1701,19 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.machine_check		= machine_check_440A,
 		.platform		= "ppc440",
 	},
+	{ /* 476 core */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x11a50000,
+		.cpu_name		= "476",
+		.cpu_features		= CPU_FTRS_47X,
+		.cpu_user_features	= COMMON_USER_BOOKE |
+			PPC_FEATURE_HAS_FPU,
+		.mmu_features		= MMU_FTR_TYPE_47x |
+			MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 128,
+		.platform		= "ppc470",
+	},
 	{	/* default match */
 		.pvr_mask		= 0x00000000,
 		.pvr_value		= 0x00000000,
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 1175a8539e6..ed4aeb96398 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -373,11 +373,13 @@ syscall_exit_cont:
 	bnel-	load_dbcr0
 #endif
 #ifdef CONFIG_44x
+BEGIN_MMU_FTR_SECTION
 	lis	r4,icache_44x_need_flush@ha
 	lwz	r5,icache_44x_need_flush@l(r4)
 	cmplwi	cr0,r5,0
 	bne-	2f
 1:
+END_MMU_FTR_SECTION_IFCLR(MMU_FTR_TYPE_47x)
 #endif /* CONFIG_44x */
 BEGIN_FTR_SECTION
 	lwarx	r7,0,r1
@@ -848,6 +850,9 @@ resume_kernel:
 	/* interrupts are hard-disabled at this point */
 restore:
 #ifdef CONFIG_44x
+BEGIN_MMU_FTR_SECTION
+	b	1f
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_47x)
 	lis	r4,icache_44x_need_flush@ha
 	lwz	r5,icache_44x_need_flush@l(r4)
 	cmplwi	cr0,r5,0
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 39be049a785..1acd175428c 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -37,6 +37,7 @@
 #include <asm/thread_info.h>
 #include <asm/ppc_asm.h>
 #include <asm/asm-offsets.h>
+#include <asm/synch.h>
 #include "head_booke.h"
 
 
@@ -191,7 +192,7 @@ interrupt_base:
 #endif
 
 	/* Data TLB Error Interrupt */
-	START_EXCEPTION(DataTLBError)
+	START_EXCEPTION(DataTLBError44x)
 	mtspr	SPRN_SPRG_WSCRATCH0, r10		/* Save some working registers */
 	mtspr	SPRN_SPRG_WSCRATCH1, r11
 	mtspr	SPRN_SPRG_WSCRATCH2, r12
@@ -282,7 +283,7 @@ tlb_44x_patch_hwater_D:
 	mfspr	r10,SPRN_DEAR
 
 	 /* Jump to common tlb load */
-	b	finish_tlb_load
+	b	finish_tlb_load_44x
 
 2:
 	/* The bailout.  Restore registers to pre-exception conditions
@@ -302,7 +303,7 @@ tlb_44x_patch_hwater_D:
 	 * information from different registers and bailout
 	 * to a different point.
 	 */
-	START_EXCEPTION(InstructionTLBError)
+	START_EXCEPTION(InstructionTLBError44x)
 	mtspr	SPRN_SPRG_WSCRATCH0, r10 /* Save some working registers */
 	mtspr	SPRN_SPRG_WSCRATCH1, r11
 	mtspr	SPRN_SPRG_WSCRATCH2, r12
@@ -378,7 +379,7 @@ tlb_44x_patch_hwater_I:
 	mfspr	r10,SPRN_SRR0
 
 	/* Jump to common TLB load point */
-	b	finish_tlb_load
+	b	finish_tlb_load_44x
 
 2:
 	/* The bailout.  Restore registers to pre-exception conditions
@@ -392,15 +393,7 @@ tlb_44x_patch_hwater_I:
 	mfspr	r10, SPRN_SPRG_RSCRATCH0
 	b	InstructionStorage
 
-	/* Debug Interrupt */
-	DEBUG_CRIT_EXCEPTION
-
 /*
- * Local functions
-  */
-
-/*
-
  * Both the instruction and data TLB miss get to this
  * point to load the TLB.
  * 	r10 - EA of fault
@@ -410,7 +403,7 @@ tlb_44x_patch_hwater_I:
  *	MMUCR - loaded with proper value when we get here
  *	Upon exit, we reload everything and RFI.
  */
-finish_tlb_load:
+finish_tlb_load_44x:
 	/* Combine RPN & ERPN an write WS 0 */
 	rlwimi	r11,r12,0,0,31-PAGE_SHIFT
 	tlbwe	r11,r13,PPC44x_TLB_XLAT
@@ -443,6 +436,227 @@ finish_tlb_load:
 	mfspr	r10, SPRN_SPRG_RSCRATCH0
 	rfi					/* Force context change */
 
+/* TLB error interrupts for 476
+ */
+#ifdef CONFIG_PPC_47x
+	START_EXCEPTION(DataTLBError47x)
+	mtspr	SPRN_SPRG_WSCRATCH0,r10	/* Save some working registers */
+	mtspr	SPRN_SPRG_WSCRATCH1,r11
+	mtspr	SPRN_SPRG_WSCRATCH2,r12
+	mtspr	SPRN_SPRG_WSCRATCH3,r13
+	mfcr	r11
+	mtspr	SPRN_SPRG_WSCRATCH4,r11
+	mfspr	r10,SPRN_DEAR		/* Get faulting address */
+
+	/* If we are faulting a kernel address, we have to use the
+	 * kernel page tables.
+	 */
+	lis	r11,PAGE_OFFSET@h
+	cmplw	cr0,r10,r11
+	blt+	3f
+	lis	r11,swapper_pg_dir@h
+	ori	r11,r11, swapper_pg_dir@l
+	li	r12,0			/* MMUCR = 0 */
+	b	4f
+
+	/* Get the PGD for the current thread and setup MMUCR */
+3:	mfspr	r11,SPRN_SPRG3
+	lwz	r11,PGDIR(r11)
+	mfspr   r12,SPRN_PID		/* Get PID */
+4:	mtspr	SPRN_MMUCR,r12		/* Set MMUCR */
+
+	/* Mask of required permission bits. Note that while we
+	 * do copy ESR:ST to _PAGE_RW position as trying to write
+	 * to an RO page is pretty common, we don't do it with
+	 * _PAGE_DIRTY. We could do it, but it's a fairly rare
+	 * event so I'd rather take the overhead when it happens
+	 * rather than adding an instruction here. We should measure
+	 * whether the whole thing is worth it in the first place
+	 * as we could avoid loading SPRN_ESR completely in the first
+	 * place...
+	 *
+	 * TODO: Is it worth doing that mfspr & rlwimi in the first
+	 *       place or can we save a couple of instructions here ?
+	 */
+	mfspr	r12,SPRN_ESR
+	li	r13,_PAGE_PRESENT|_PAGE_ACCESSED
+	rlwimi	r13,r12,10,30,30
+
+	/* Load the PTE */
+	/* Compute pgdir/pmd offset */
+	rlwinm  r12,r10,PPC44x_PGD_OFF_SHIFT,PPC44x_PGD_OFF_MASK_BIT,29
+	lwzx	r11,r12,r11		/* Get pgd/pmd entry */
+
+	/* Word 0 is EPN,V,TS,DSIZ */
+	li	r12,PPC47x_TLB0_VALID | PPC47x_TLBE_SIZE
+	rlwimi	r10,r12,0,32-PAGE_SHIFT,31	/* Insert valid and page size*/
+	li	r12,0
+	tlbwe	r10,r12,0
+
+	/* XXX can we do better ? Need to make sure tlbwe has established
+	 * latch V bit in MMUCR0 before the PTE is loaded further down */
+#ifdef CONFIG_SMP
+	isync
+#endif
+
+	rlwinm.	r12,r11,0,0,20		/* Extract pt base address */
+	/* Compute pte address */
+	rlwimi  r12,r10,PPC44x_PTE_ADD_SHIFT,PPC44x_PTE_ADD_MASK_BIT,28
+	beq	2f			/* Bail if no table */
+	lwz	r11,0(r12)		/* Get high word of pte entry */
+
+	/* XXX can we do better ? maybe insert a known 0 bit from r11 into the
+	 * bottom of r12 to create a data dependency... We can also use r10
+	 * as destination nowadays
+	 */
+#ifdef CONFIG_SMP
+	lwsync
+#endif
+	lwz	r12,4(r12)		/* Get low word of pte entry */
+
+	andc.	r13,r13,r12		/* Check permission */
+
+	 /* Jump to common tlb load */
+	beq	finish_tlb_load_47x
+
+2:	/* The bailout.  Restore registers to pre-exception conditions
+	 * and call the heavyweights to help us out.
+	 */
+	mfspr	r11,SPRN_SPRG_RSCRATCH4
+	mtcr	r11
+	mfspr	r13,SPRN_SPRG_RSCRATCH3
+	mfspr	r12,SPRN_SPRG_RSCRATCH2
+	mfspr	r11,SPRN_SPRG_RSCRATCH1
+	mfspr	r10,SPRN_SPRG_RSCRATCH0
+	b	DataStorage
+
+	/* Instruction TLB Error Interrupt */
+	/*
+	 * Nearly the same as above, except we get our
+	 * information from different registers and bailout
+	 * to a different point.
+	 */
+	START_EXCEPTION(InstructionTLBError47x)
+	mtspr	SPRN_SPRG_WSCRATCH0,r10	/* Save some working registers */
+	mtspr	SPRN_SPRG_WSCRATCH1,r11
+	mtspr	SPRN_SPRG_WSCRATCH2,r12
+	mtspr	SPRN_SPRG_WSCRATCH3,r13
+	mfcr	r11
+	mtspr	SPRN_SPRG_WSCRATCH4,r11
+	mfspr	r10,SPRN_SRR0		/* Get faulting address */
+
+	/* If we are faulting a kernel address, we have to use the
+	 * kernel page tables.
+	 */
+	lis	r11,PAGE_OFFSET@h
+	cmplw	cr0,r10,r11
+	blt+	3f
+	lis	r11,swapper_pg_dir@h
+	ori	r11,r11, swapper_pg_dir@l
+	li	r12,0			/* MMUCR = 0 */
+	b	4f
+
+	/* Get the PGD for the current thread and setup MMUCR */
+3:	mfspr	r11,SPRN_SPRG_THREAD
+	lwz	r11,PGDIR(r11)
+	mfspr   r12,SPRN_PID		/* Get PID */
+4:	mtspr	SPRN_MMUCR,r12		/* Set MMUCR */
+
+	/* Make up the required permissions */
+	li	r13,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC
+
+	/* Load PTE */
+	/* Compute pgdir/pmd offset */
+	rlwinm  r12,r10,PPC44x_PGD_OFF_SHIFT,PPC44x_PGD_OFF_MASK_BIT,29
+	lwzx	r11,r12,r11		/* Get pgd/pmd entry */
+
+	/* Word 0 is EPN,V,TS,DSIZ */
+	li	r12,PPC47x_TLB0_VALID | PPC47x_TLBE_SIZE
+	rlwimi	r10,r12,0,32-PAGE_SHIFT,31	/* Insert valid and page size*/
+	li	r12,0
+	tlbwe	r10,r12,0
+
+	/* XXX can we do better ? Need to make sure tlbwe has established
+	 * latch V bit in MMUCR0 before the PTE is loaded further down */
+#ifdef CONFIG_SMP
+	isync
+#endif
+
+	rlwinm.	r12,r11,0,0,20		/* Extract pt base address */
+	/* Compute pte address */
+	rlwimi  r12,r10,PPC44x_PTE_ADD_SHIFT,PPC44x_PTE_ADD_MASK_BIT,28
+	beq	2f			/* Bail if no table */
+
+	lwz	r11,0(r12)		/* Get high word of pte entry */
+	/* XXX can we do better ? maybe insert a known 0 bit from r11 into the
+	 * bottom of r12 to create a data dependency... We can also use r10
+	 * as destination nowadays
+	 */
+#ifdef CONFIG_SMP
+	lwsync
+#endif
+	lwz	r12,4(r12)		/* Get low word of pte entry */
+
+	andc.	r13,r13,r12		/* Check permission */
+
+	/* Jump to common TLB load point */
+	beq	finish_tlb_load_47x
+
+2:	/* The bailout.  Restore registers to pre-exception conditions
+	 * and call the heavyweights to help us out.
+	 */
+	mfspr	r11, SPRN_SPRG_RSCRATCH4
+	mtcr	r11
+	mfspr	r13, SPRN_SPRG_RSCRATCH3
+	mfspr	r12, SPRN_SPRG_RSCRATCH2
+	mfspr	r11, SPRN_SPRG_RSCRATCH1
+	mfspr	r10, SPRN_SPRG_RSCRATCH0
+	b	InstructionStorage
+
+/*
+ * Both the instruction and data TLB miss get to this
+ * point to load the TLB.
+ * 	r10 - free to use
+ * 	r11 - PTE high word value
+ *	r12 - PTE low word value
+ *      r13 - free to use
+ *	MMUCR - loaded with proper value when we get here
+ *	Upon exit, we reload everything and RFI.
+ */
+finish_tlb_load_47x:
+	/* Combine RPN & ERPN an write WS 1 */
+	rlwimi	r11,r12,0,0,31-PAGE_SHIFT
+	tlbwe	r11,r13,1
+
+	/* And make up word 2 */
+	li	r10,0xf85			/* Mask to apply from PTE */
+	rlwimi	r10,r12,29,30,30		/* DIRTY -> SW position */
+	and	r11,r12,r10			/* Mask PTE bits to keep */
+	andi.	r10,r12,_PAGE_USER		/* User page ? */
+	beq	1f				/* nope, leave U bits empty */
+	rlwimi	r11,r11,3,26,28			/* yes, copy S bits to U */
+1:	tlbwe	r11,r13,2
+
+	/* Done...restore registers and get out of here.
+	*/
+	mfspr	r11, SPRN_SPRG_RSCRATCH4
+	mtcr	r11
+	mfspr	r13, SPRN_SPRG_RSCRATCH3
+	mfspr	r12, SPRN_SPRG_RSCRATCH2
+	mfspr	r11, SPRN_SPRG_RSCRATCH1
+	mfspr	r10, SPRN_SPRG_RSCRATCH0
+	rfi
+
+#endif /* CONFIG_PPC_47x */
+
+	/* Debug Interrupt */
+	/*
+	 * This statement needs to exist at the end of the IVPR
+	 * definition just in case you end up taking a debug
+	 * exception within another exception.
+	 */
+	DEBUG_CRIT_EXCEPTION
+
 /*
  * Global functions
  */
@@ -491,9 +705,18 @@ _GLOBAL(set_context)
 /*
  * Init CPU state. This is called at boot time or for secondary CPUs
  * to setup initial TLB entries, setup IVORs, etc...
+ *
  */
 _GLOBAL(init_cpu_state)
 	mflr	r22
+#ifdef CONFIG_PPC_47x
+	/* We use the PVR to differenciate 44x cores from 476 */
+	mfspr	r3,SPRN_PVR
+	srwi	r3,r3,16
+	cmplwi	cr0,r3,PVR_476@h
+	beq	head_start_47x
+#endif /* CONFIG_PPC_47x */
+
 /*
  * In case the firmware didn't do it, we apply some workarounds
  * that are good for all 440 core variants here
@@ -506,7 +729,7 @@ _GLOBAL(init_cpu_state)
 	sync
 
 /*
- * Set up the initial MMU state
+ * Set up the initial MMU state for 44x
  *
  * We are still executing code at the virtual address
  * mappings set by the firmware for the base of RAM.
@@ -646,16 +869,257 @@ skpinv:	addi	r4,r4,1				/* Increment */
 	SET_IVOR(10, Decrementer);
 	SET_IVOR(11, FixedIntervalTimer);
 	SET_IVOR(12, WatchdogTimer);
-	SET_IVOR(13, DataTLBError);
-	SET_IVOR(14, InstructionTLBError);
+	SET_IVOR(13, DataTLBError44x);
+	SET_IVOR(14, InstructionTLBError44x);
 	SET_IVOR(15, DebugCrit);
 
+	b	head_start_common
+
+
+#ifdef CONFIG_PPC_47x
+
+#ifdef CONFIG_SMP
+
+/* Entry point for secondary 47x processors */
+_GLOBAL(start_secondary_47x)
+        mr      r24,r3          /* CPU number */
+
+	bl	init_cpu_state
+
+	/* Now we need to bolt the rest of kernel memory which
+	 * is done in C code. We must be careful because our task
+	 * struct or our stack can (and will probably) be out
+	 * of reach of the initial 256M TLB entry, so we use a
+	 * small temporary stack in .bss for that. This works
+	 * because only one CPU at a time can be in this code
+	 */
+	lis	r1,temp_boot_stack@h
+	ori	r1,r1,temp_boot_stack@l
+	addi	r1,r1,1024-STACK_FRAME_OVERHEAD
+	li	r0,0
+	stw	r0,0(r1)
+	bl	mmu_init_secondary
+
+	/* Now we can get our task struct and real stack pointer */
+
+	/* Get current_thread_info and current */
+	lis	r1,secondary_ti@ha
+	lwz	r1,secondary_ti@l(r1)
+	lwz	r2,TI_TASK(r1)
+
+	/* Current stack pointer */
+	addi	r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD
+	li	r0,0
+	stw	r0,0(r1)
+
+	/* Kernel stack for exception entry in SPRG3 */
+	addi	r4,r2,THREAD	/* init task's THREAD */
+	mtspr	SPRN_SPRG3,r4
+
+	b	start_secondary
+
+#endif /* CONFIG_SMP */
+
+/*
+ * Set up the initial MMU state for 44x
+ *
+ * We are still executing code at the virtual address
+ * mappings set by the firmware for the base of RAM.
+ */
+
+head_start_47x:
+	/* Load our current PID->MMUCR TID and MSR IS->MMUCR STS */
+	mfspr	r3,SPRN_PID			/* Get PID */
+	mfmsr	r4				/* Get MSR */
+	andi.	r4,r4,MSR_IS@l			/* TS=1? */
+	beq	1f				/* If not, leave STS=0 */
+	oris	r3,r3,PPC47x_MMUCR_STS@h	/* Set STS=1 */
+1:	mtspr	SPRN_MMUCR,r3			/* Put MMUCR */
+	sync
+
+	/* Find the entry we are running from */
+	bl	1f
+1:	mflr	r23
+	tlbsx	r23,0,r23
+	tlbre	r24,r23,0
+	tlbre	r25,r23,1
+	tlbre	r26,r23,2
+
+/*
+ * Cleanup time
+ */
+
+	/* Initialize MMUCR */
+	li	r5,0
+	mtspr	SPRN_MMUCR,r5
+	sync
+
+clear_all_utlb_entries:
+
+	#; Set initial values.
+
+	addis		r3,0,0x8000
+	addi		r4,0,0
+	addi		r5,0,0
+	b		clear_utlb_entry
+
+	#; Align the loop to speed things up.
+
+	.align		6
+
+clear_utlb_entry:
+
+	tlbwe		r4,r3,0
+	tlbwe		r5,r3,1
+	tlbwe		r5,r3,2
+	addis		r3,r3,0x2000
+	cmpwi		r3,0
+	bne		clear_utlb_entry
+	addis		r3,0,0x8000
+	addis		r4,r4,0x100
+	cmpwi		r4,0
+	bne		clear_utlb_entry
+
+	#; Restore original entry.
+
+	oris	r23,r23,0x8000  /* specify the way */
+	tlbwe		r24,r23,0
+	tlbwe		r25,r23,1
+	tlbwe		r26,r23,2
+
+/*
+ * Configure and load pinned entry into TLB for the kernel core
+ */
+
+	lis	r3,PAGE_OFFSET@h
+	ori	r3,r3,PAGE_OFFSET@l
+
+	/* Kernel is at the base of RAM */
+	li r4, 0			/* Load the kernel physical address */
+
+	/* Load the kernel PID = 0 */
+	li	r0,0
+	mtspr	SPRN_PID,r0
+	sync
+
+	/* Word 0 */
+	clrrwi	r3,r3,12		/* Mask off the effective page number */
+	ori	r3,r3,PPC47x_TLB0_VALID | PPC47x_TLB0_256M
+
+	/* Word 1 */
+	clrrwi	r4,r4,12		/* Mask off the real page number */
+					/* ERPN is 0 for first 4GB page */
+	/* Word 2 */
+	li	r5,0
+	ori	r5,r5,PPC47x_TLB2_S_RWX
+#ifdef CONFIG_SMP
+	ori	r5,r5,PPC47x_TLB2_M
+#endif
+
+	/* We write to way 0 and bolted 0 */
+	lis	r0,0x8800
+	tlbwe	r3,r0,0
+	tlbwe	r4,r0,1
+	tlbwe	r5,r0,2
+
+/*
+ * Configure SSPCR, ISPCR and USPCR for now to search everything, we can fix
+ * them up later
+ */
+	LOAD_REG_IMMEDIATE(r3, 0x9abcdef0)
+	mtspr	SPRN_SSPCR,r3
+	mtspr	SPRN_USPCR,r3
+	LOAD_REG_IMMEDIATE(r3, 0x12345670)
+	mtspr	SPRN_ISPCR,r3
+
+	/* Force context change */
+	mfmsr	r0
+	mtspr	SPRN_SRR1, r0
+	lis	r0,3f@h
+	ori	r0,r0,3f@l
+	mtspr	SPRN_SRR0,r0
+	sync
+	rfi
+
+	/* Invalidate original entry we used */
+3:
+	rlwinm	r24,r24,0,21,19 /* clear the "valid" bit */
+	tlbwe	r24,r23,0
+	addi	r24,0,0
+	tlbwe	r24,r23,1
+	tlbwe	r24,r23,2
+	isync                   /* Clear out the shadow TLB entries */
+
+#ifdef CONFIG_PPC_EARLY_DEBUG_44x
+	/* Add UART mapping for early debug. */
+
+	/* Word 0 */
+	lis	r3,PPC44x_EARLY_DEBUG_VIRTADDR@h
+	ori	r3,r3,PPC47x_TLB0_VALID | PPC47x_TLB0_TS | PPC47x_TLB0_1M
+
+	/* Word 1 */
+	lis	r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW@h
+	ori	r4,r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH
+
+	/* Word 2 */
+	li	r5,(PPC47x_TLB2_S_RW | PPC47x_TLB2_IMG)
+
+	/* Bolted in way 0, bolt slot 5, we -hope- we don't hit the same
+	 * congruence class as the kernel, we need to make sure of it at
+	 * some point
+	 */
+        lis	r0,0x8d00
+	tlbwe	r3,r0,0
+	tlbwe	r4,r0,1
+	tlbwe	r5,r0,2
+
+	/* Force context change */
+	isync
+#endif /* CONFIG_PPC_EARLY_DEBUG_44x */
+
+	/* Establish the interrupt vector offsets */
+	SET_IVOR(0,  CriticalInput);
+	SET_IVOR(1,  MachineCheckA);
+	SET_IVOR(2,  DataStorage);
+	SET_IVOR(3,  InstructionStorage);
+	SET_IVOR(4,  ExternalInput);
+	SET_IVOR(5,  Alignment);
+	SET_IVOR(6,  Program);
+	SET_IVOR(7,  FloatingPointUnavailable);
+	SET_IVOR(8,  SystemCall);
+	SET_IVOR(9,  AuxillaryProcessorUnavailable);
+	SET_IVOR(10, Decrementer);
+	SET_IVOR(11, FixedIntervalTimer);
+	SET_IVOR(12, WatchdogTimer);
+	SET_IVOR(13, DataTLBError47x);
+	SET_IVOR(14, InstructionTLBError47x);
+	SET_IVOR(15, DebugCrit);
+
+	/* We configure icbi to invalidate 128 bytes at a time since the
+	 * current 32-bit kernel code isn't too happy with icache != dcache
+	 * block size
+	 */
+	mfspr	r3,SPRN_CCR0
+	oris	r3,r3,0x0020
+	mtspr	SPRN_CCR0,r3
+	isync
+
+#endif /* CONFIG_PPC_47x */
+
+/*
+ * Here we are back to code that is common between 44x and 47x
+ *
+ * We proceed to further kernel initialization and return to the
+ * main kernel entry
+ */
+head_start_common:
 	/* Establish the interrupt vector base */
 	lis	r4,interrupt_base@h	/* IVPR only uses the high 16-bits */
 	mtspr	SPRN_IVPR,r4
 
 	addis	r22,r22,KERNELBASE@h
 	mtlr	r22
+	isync
 	blr
 
 /*
@@ -683,3 +1147,9 @@ swapper_pg_dir:
  */
 abatron_pteptrs:
 	.space	8
+
+#ifdef CONFIG_SMP
+	.align	12
+temp_boot_stack:
+	.space	1024
+#endif /* CONFIG_SMP */
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 8649f536f8d..8043d1b73cf 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -441,7 +441,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE)
 	addi	r3,r3,L1_CACHE_BYTES
 	bdnz	0b
 	sync
-#ifndef CONFIG_44x
+#ifdef CONFIG_44x
 	/* We don't flush the icache on 44x. Those have a virtual icache
 	 * and we don't have access to the virtual address here (it's
 	 * not the page vaddr but where it's mapped in user space). The
@@ -449,15 +449,19 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE)
 	 * a change in the address space occurs, before returning to
 	 * user space
 	 */
+BEGIN_MMU_FTR_SECTION
+	blr
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_44x)
+#endif /* CONFIG_44x */
 	mtctr	r4
 1:	icbi	0,r6
 	addi	r6,r6,L1_CACHE_BYTES
 	bdnz	1b
 	sync
 	isync
-#endif /* CONFIG_44x */
 	blr
 
+#ifndef CONFIG_BOOKE
 /*
  * Flush a particular page from the data cache to RAM, identified
  * by its physical address.  We turn off the MMU so we can just use
@@ -490,6 +494,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE)
 	mtmsr	r10				/* restore DR */
 	isync
 	blr
+#endif /* CONFIG_BOOKE */
 
 /*
  * Clear pages using the dcbz instruction, which doesn't cause any
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index e36f94f7411..3fe4de2b685 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -495,6 +495,14 @@ int __devinit start_secondary(void *unused)
 	current->active_mm = &init_mm;
 
 	smp_store_cpu_info(cpu);
+
+#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
+	/* Clear any pending timer interrupts */
+	mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS);
+
+	/* Enable decrementer interrupt */
+	mtspr(SPRN_TCR, TCR_DIE);
+#endif
 	set_dec(tb_ticks_per_jiffy);
 	preempt_disable();
 	cpu_callin_map[cpu] = 1;
diff --git a/arch/powerpc/mm/44x_mmu.c b/arch/powerpc/mm/44x_mmu.c
index 3986264b099..d8c6efb32bc 100644
--- a/arch/powerpc/mm/44x_mmu.c
+++ b/arch/powerpc/mm/44x_mmu.c
@@ -38,7 +38,9 @@ unsigned int tlb_44x_index; /* = 0 */
 unsigned int tlb_44x_hwater = PPC44x_TLB_SIZE - 1 - PPC44x_EARLY_TLBS;
 int icache_44x_need_flush;
 
-static void __init ppc44x_update_tlb_hwater(void)
+unsigned long tlb_47x_boltmap[1024/8];
+
+static void __cpuinit ppc44x_update_tlb_hwater(void)
 {
 	extern unsigned int tlb_44x_patch_hwater_D[];
 	extern unsigned int tlb_44x_patch_hwater_I[];
@@ -59,7 +61,7 @@ static void __init ppc44x_update_tlb_hwater(void)
 }
 
 /*
- * "Pins" a 256MB TLB entry in AS0 for kernel lowmem
+ * "Pins" a 256MB TLB entry in AS0 for kernel lowmem for 44x type MMU
  */
 static void __init ppc44x_pin_tlb(unsigned int virt, unsigned int phys)
 {
@@ -67,12 +69,18 @@ static void __init ppc44x_pin_tlb(unsigned int virt, unsigned int phys)
 
 	ppc44x_update_tlb_hwater();
 
+	mtspr(SPRN_MMUCR, 0);
+
 	__asm__ __volatile__(
 		"tlbwe	%2,%3,%4\n"
 		"tlbwe	%1,%3,%5\n"
 		"tlbwe	%0,%3,%6\n"
 	:
+#ifdef CONFIG_PPC47x
+	: "r" (PPC47x_TLB2_S_RWX),
+#else
 	: "r" (PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_SX | PPC44x_TLB_G),
+#endif
 	  "r" (phys),
 	  "r" (virt | PPC44x_TLB_VALID | PPC44x_TLB_256M),
 	  "r" (entry),
@@ -81,8 +89,93 @@ static void __init ppc44x_pin_tlb(unsigned int virt, unsigned int phys)
 	  "i" (PPC44x_TLB_ATTRIB));
 }
 
+static int __init ppc47x_find_free_bolted(void)
+{
+	unsigned int mmube0 = mfspr(SPRN_MMUBE0);
+	unsigned int mmube1 = mfspr(SPRN_MMUBE1);
+
+	if (!(mmube0 & MMUBE0_VBE0))
+		return 0;
+	if (!(mmube0 & MMUBE0_VBE1))
+		return 1;
+	if (!(mmube0 & MMUBE0_VBE2))
+		return 2;
+	if (!(mmube1 & MMUBE1_VBE3))
+		return 3;
+	if (!(mmube1 & MMUBE1_VBE4))
+		return 4;
+	if (!(mmube1 & MMUBE1_VBE5))
+		return 5;
+	return -1;
+}
+
+static void __init ppc47x_update_boltmap(void)
+{
+	unsigned int mmube0 = mfspr(SPRN_MMUBE0);
+	unsigned int mmube1 = mfspr(SPRN_MMUBE1);
+
+	if (mmube0 & MMUBE0_VBE0)
+		__set_bit((mmube0 >> MMUBE0_IBE0_SHIFT) & 0xff,
+			  tlb_47x_boltmap);
+	if (mmube0 & MMUBE0_VBE1)
+		__set_bit((mmube0 >> MMUBE0_IBE1_SHIFT) & 0xff,
+			  tlb_47x_boltmap);
+	if (mmube0 & MMUBE0_VBE2)
+		__set_bit((mmube0 >> MMUBE0_IBE2_SHIFT) & 0xff,
+			  tlb_47x_boltmap);
+	if (mmube1 & MMUBE1_VBE3)
+		__set_bit((mmube1 >> MMUBE1_IBE3_SHIFT) & 0xff,
+			  tlb_47x_boltmap);
+	if (mmube1 & MMUBE1_VBE4)
+		__set_bit((mmube1 >> MMUBE1_IBE4_SHIFT) & 0xff,
+			  tlb_47x_boltmap);
+	if (mmube1 & MMUBE1_VBE5)
+		__set_bit((mmube1 >> MMUBE1_IBE5_SHIFT) & 0xff,
+			  tlb_47x_boltmap);
+}
+
+/*
+ * "Pins" a 256MB TLB entry in AS0 for kernel lowmem for 47x type MMU
+ */
+static void __cpuinit ppc47x_pin_tlb(unsigned int virt, unsigned int phys)
+{
+	unsigned int rA;
+	int bolted;
+
+	/* Base rA is HW way select, way 0, bolted bit set */
+	rA = 0x88000000;
+
+	/* Look for a bolted entry slot */
+	bolted = ppc47x_find_free_bolted();
+	BUG_ON(bolted < 0);
+
+	/* Insert bolted slot number */
+	rA |= bolted << 24;
+
+	pr_debug("256M TLB entry for 0x%08x->0x%08x in bolt slot %d\n",
+		 virt, phys, bolted);
+
+	mtspr(SPRN_MMUCR, 0);
+
+	__asm__ __volatile__(
+		"tlbwe	%2,%3,0\n"
+		"tlbwe	%1,%3,1\n"
+		"tlbwe	%0,%3,2\n"
+		:
+		: "r" (PPC47x_TLB2_SW | PPC47x_TLB2_SR |
+		       PPC47x_TLB2_SX
+#ifdef CONFIG_SMP
+		       | PPC47x_TLB2_M
+#endif
+		       ),
+		  "r" (phys),
+		  "r" (virt | PPC47x_TLB0_VALID | PPC47x_TLB0_256M),
+		  "r" (rA));
+}
+
 void __init MMU_init_hw(void)
 {
+	/* This is not useful on 47x but won't hurt either */
 	ppc44x_update_tlb_hwater();
 
 	flush_instruction_cache();
@@ -95,8 +188,51 @@ unsigned long __init mmu_mapin_ram(unsigned long top)
 	/* Pin in enough TLBs to cover any lowmem not covered by the
 	 * initial 256M mapping established in head_44x.S */
 	for (addr = PPC_PIN_SIZE; addr < lowmem_end_addr;
-	     addr += PPC_PIN_SIZE)
-		ppc44x_pin_tlb(addr + PAGE_OFFSET, addr);
+	     addr += PPC_PIN_SIZE) {
+		if (mmu_has_feature(MMU_FTR_TYPE_47x))
+			ppc47x_pin_tlb(addr + PAGE_OFFSET, addr);
+		else
+			ppc44x_pin_tlb(addr + PAGE_OFFSET, addr);
+	}
+	if (mmu_has_feature(MMU_FTR_TYPE_47x)) {
+		ppc47x_update_boltmap();
 
+#ifdef DEBUG
+		{
+			int i;
+
+			printk(KERN_DEBUG "bolted entries: ");
+			for (i = 0; i < 255; i++) {
+				if (test_bit(i, tlb_47x_boltmap))
+					printk("%d ", i);
+			}
+			printk("\n");
+		}
+#endif /* DEBUG */
+	}
 	return total_lowmem;
 }
+
+#ifdef CONFIG_SMP
+void __cpuinit mmu_init_secondary(int cpu)
+{
+	unsigned long addr;
+
+	/* Pin in enough TLBs to cover any lowmem not covered by the
+	 * initial 256M mapping established in head_44x.S
+	 *
+	 * WARNING: This is called with only the first 256M of the
+	 * linear mapping in the TLB and we can't take faults yet
+	 * so beware of what this code uses. It runs off a temporary
+	 * stack. current (r2) isn't initialized, smp_processor_id()
+	 * will not work, current thread info isn't accessible, ...
+	 */
+	for (addr = PPC_PIN_SIZE; addr < lowmem_end_addr;
+	     addr += PPC_PIN_SIZE) {
+		if (mmu_has_feature(MMU_FTR_TYPE_47x))
+			ppc47x_pin_tlb(addr + PAGE_OFFSET, addr);
+		else
+			ppc44x_pin_tlb(addr + PAGE_OFFSET, addr);
+	}
+}
+#endif /* CONFIG_SMP */
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index 1f2d9ff0989..ddfd7ad4e1d 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -395,10 +395,18 @@ void __init mmu_context_init(void)
 	 * the PID/TID comparison is disabled, so we can use a TID of zero
 	 * to represent all kernel pages as shared among all contexts.
 	 * 	-- Dan
+	 *
+	 * The IBM 47x core supports 16-bit PIDs, thus 65535 contexts. We
+	 * should normally never have to steal though the facility is
+	 * present if needed.
+	 *      -- BenH
 	 */
 	if (mmu_has_feature(MMU_FTR_TYPE_8xx)) {
 		first_context = 0;
 		last_context = 15;
+	} else if (mmu_has_feature(MMU_FTR_TYPE_47x)) {
+		first_context = 1;
+		last_context = 65535;
 	} else {
 		first_context = 1;
 		last_context = 255;
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index d49a77503e1..eb11d5d2aa9 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -69,12 +69,7 @@ static inline void _tlbil_va(unsigned long address, unsigned int pid,
 }
 #endif /* CONIFG_8xx */
 
-/*
- * As of today, we don't support tlbivax broadcast on any
- * implementation. When that becomes the case, this will be
- * an extern.
- */
-#ifdef CONFIG_PPC_BOOK3E
+#if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_PPC_47x)
 extern void _tlbivax_bcast(unsigned long address, unsigned int pid,
 			   unsigned int tsize, unsigned int ind);
 #else
diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S
index bbdc5b577b8..e925cb58afd 100644
--- a/arch/powerpc/mm/tlb_nohash_low.S
+++ b/arch/powerpc/mm/tlb_nohash_low.S
@@ -10,7 +10,7 @@
  *	- tlbil_va
  *	- tlbil_pid
  *	- tlbil_all
- *	- tlbivax_bcast (not yet)
+ *	- tlbivax_bcast
  *
  * Code mostly moved over from misc_32.S
  *
@@ -33,6 +33,7 @@
 #include <asm/ppc_asm.h>
 #include <asm/asm-offsets.h>
 #include <asm/processor.h>
+#include <asm/bug.h>
 
 #if defined(CONFIG_40x)
 
@@ -65,7 +66,7 @@ _GLOBAL(__tlbil_va)
  * Nothing to do for 8xx, everything is inline
  */
 
-#elif defined(CONFIG_44x)
+#elif defined(CONFIG_44x) /* Includes 47x */
 
 /*
  * 440 implementation uses tlbsx/we for tlbil_va and a full sweep
@@ -73,7 +74,13 @@ _GLOBAL(__tlbil_va)
  */
 _GLOBAL(__tlbil_va)
 	mfspr	r5,SPRN_MMUCR
-	rlwimi	r5,r4,0,24,31			/* Set TID */
+	mfmsr   r10
+
+	/*
+	 * We write 16 bits of STID since 47x supports that much, we
+	 * will never be passed out of bounds values on 440 (hopefully)
+	 */
+	rlwimi  r5,r4,0,16,31
 
 	/* We have to run the search with interrupts disabled, otherwise
 	 * an interrupt which causes a TLB miss can clobber the MMUCR
@@ -83,24 +90,41 @@ _GLOBAL(__tlbil_va)
 	 * and restoring MMUCR, so only normal interrupts have to be
 	 * taken care of.
 	 */
-	mfmsr	r4
 	wrteei	0
 	mtspr	SPRN_MMUCR,r5
-	tlbsx.	r3, 0, r3
-	wrtee	r4
-	bne	1f
+	tlbsx.	r6,0,r3
+	bne	10f
 	sync
-	/* There are only 64 TLB entries, so r3 < 64,
-	 * which means bit 22, is clear.  Since 22 is
-	 * the V bit in the TLB_PAGEID, loading this
+BEGIN_MMU_FTR_SECTION
+	b	2f
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_47x)
+	/* On 440 There are only 64 TLB entries, so r3 < 64, which means bit
+	 * 22, is clear.  Since 22 is the V bit in the TLB_PAGEID, loading this
 	 * value will invalidate the TLB entry.
 	 */
-	tlbwe	r3, r3, PPC44x_TLB_PAGEID
+	tlbwe	r6,r6,PPC44x_TLB_PAGEID
 	isync
-1:	blr
+10:	wrtee	r10
+	blr
+2:
+#ifdef CONFIG_PPC_47x
+	oris	r7,r6,0x8000	/* specify way explicitely */
+	clrrwi	r4,r3,12	/* get an EPN for the hashing with V = 0 */
+	ori	r4,r4,PPC47x_TLBE_SIZE
+	tlbwe   r4,r7,0		/* write it */
+	isync
+	wrtee	r10
+	blr
+#else /* CONFIG_PPC_47x */
+1:	trap
+	EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,0;
+#endif /* !CONFIG_PPC_47x */
 
 _GLOBAL(_tlbil_all)
 _GLOBAL(_tlbil_pid)
+BEGIN_MMU_FTR_SECTION
+	b	2f
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_47x)
 	li	r3,0
 	sync
 
@@ -115,6 +139,76 @@ _GLOBAL(_tlbil_pid)
 
 	isync
 	blr
+2:
+#ifdef CONFIG_PPC_47x
+	/* 476 variant. There's not simple way to do this, hopefully we'll
+	 * try to limit the amount of such full invalidates
+	 */
+	mfmsr	r11		/* Interrupts off */
+	wrteei	0
+	li	r3,-1		/* Current set */
+	lis	r10,tlb_47x_boltmap@h
+	ori	r10,r10,tlb_47x_boltmap@l
+	lis	r7,0x8000	/* Specify way explicitely */
+
+	b	9f		/* For each set */
+
+1:	li	r9,4		/* Number of ways */
+	li	r4,0		/* Current way */
+	li	r6,0		/* Default entry value 0 */
+	andi.	r0,r8,1		/* Check if way 0 is bolted */
+	mtctr	r9		/* Load way counter */
+	bne-	3f		/* Bolted, skip loading it */
+
+2:	/* For each way */
+	or	r5,r3,r4	/* Make way|index for tlbre */
+	rlwimi	r5,r5,16,8,15	/* Copy index into position */
+	tlbre	r6,r5,0		/* Read entry */
+3:	addis	r4,r4,0x2000	/* Next way */
+	andi.	r0,r6,PPC47x_TLB0_VALID /* Valid entry ? */
+	beq	4f		/* Nope, skip it */
+	rlwimi	r7,r5,0,1,2	/* Insert way number */
+	rlwinm	r6,r6,0,21,19	/* Clear V */
+	tlbwe   r6,r7,0		/* Write it */
+4:	bdnz	2b		/* Loop for each way */
+	srwi	r8,r8,1		/* Next boltmap bit */
+9:	cmpwi	cr1,r3,255	/* Last set done ? */
+	addi	r3,r3,1		/* Next set */
+	beq	cr1,1f		/* End of loop */
+	andi.	r0,r3,0x1f	/* Need to load a new boltmap word ? */
+	bne	1b		/* No, loop */
+	lwz	r8,0(r10)	/* Load boltmap entry */
+	addi	r10,r10,4	/* Next word */
+	b	1b		/* Then loop */
+1:	isync			/* Sync shadows */
+	wrtee	r11
+#else /* CONFIG_PPC_47x */
+1:	trap
+	EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,0;
+#endif /* !CONFIG_PPC_47x */
+	blr
+
+#ifdef CONFIG_PPC_47x
+/*
+ * _tlbivax_bcast is only on 47x. We don't bother doing a runtime
+ * check though, it will blow up soon enough if we mistakenly try
+ * to use it on a 440.
+ */
+_GLOBAL(_tlbivax_bcast)
+	mfspr	r5,SPRN_MMUCR
+	mfmsr	r10
+	rlwimi	r5,r4,0,16,31
+	wrteei	0
+	mtspr	SPRN_MMUCR,r5
+/*	tlbivax	0,r3 - use .long to avoid binutils deps */
+	.long 0x7c000624 | (r3 << 11)
+	isync
+	eieio
+	tlbsync
+	sync
+	wrtee	r10
+	blr
+#endif /* CONFIG_PPC_47x */
 
 #elif defined(CONFIG_FSL_BOOKE)
 /*
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 7486bffd3eb..9365e530ac5 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -1,3 +1,12 @@
+config PPC_47x
+	bool "Support for 47x variant"
+	depends on 44x
+	default n
+	select MPIC
+	help
+	  This option enables support for the 47x family of processors and is
+	  not currently compatible with other 44x or 46x varients
+
 config BAMBOO
 	bool "Bamboo"
 	depends on 44x
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index a8aae0b5457..d361f8119b1 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -43,7 +43,7 @@ config 40x
 	select PPC_PCI_CHOICE
 
 config 44x
-	bool "AMCC 44x"
+	bool "AMCC 44x, 46x or 47x"
 	select PPC_DCR_NATIVE
 	select PPC_UDBG_16550
 	select 4xx_SOC
@@ -294,7 +294,7 @@ config PPC_PERF_CTRS
          This enables the powerpc-specific perf_event back-end.
 
 config SMP
-	depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE
+	depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE || PPC_47x
 	bool "Symmetric multi-processing support"
 	---help---
 	  This enables support for systems with more than one CPU. If you have
@@ -322,6 +322,7 @@ config NR_CPUS
 config NOT_COHERENT_CACHE
 	bool
 	depends on 4xx || 8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON
+	default n if PPC_47x
 	default y
 
 config CHECK_CACHE_COHERENCY

From fc5e709731429bc2db27897630e7c0089f297680 Mon Sep 17 00:00:00 2001
From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Date: Fri, 5 Mar 2010 03:43:18 +0000
Subject: [PATCH 0676/3638] powerpc/476: add machine check handler for 47x core

The 47x core's MCSR varies from 44x, so it needs it's own machine check
handler.

Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/cputable.h |  1 +
 arch/powerpc/kernel/cputable.c      |  1 +
 arch/powerpc/kernel/traps.c         | 40 +++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 97ab5089df6..e3cba4e1eb3 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -72,6 +72,7 @@ extern int machine_check_4xx(struct pt_regs *regs);
 extern int machine_check_440A(struct pt_regs *regs);
 extern int machine_check_e500(struct pt_regs *regs);
 extern int machine_check_e200(struct pt_regs *regs);
+extern int machine_check_47x(struct pt_regs *regs);
 
 /* NOTE WELL: Update identify_cpu() if fields are added or removed! */
 struct cpu_spec {
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index a1d84583972..ad6baf834a7 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1712,6 +1712,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 			MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL,
 		.icache_bsize		= 32,
 		.dcache_bsize		= 128,
+		.machine_check		= machine_check_47x,
 		.platform		= "ppc470",
 	},
 	{	/* default match */
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 29d128eb6c4..ca7ce85ebc2 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -380,6 +380,46 @@ int machine_check_440A(struct pt_regs *regs)
 	}
 	return 0;
 }
+
+int machine_check_47x(struct pt_regs *regs)
+{
+	unsigned long reason = get_mc_reason(regs);
+	u32 mcsr;
+
+	printk(KERN_ERR "Machine check in kernel mode.\n");
+	if (reason & ESR_IMCP) {
+		printk(KERN_ERR
+		       "Instruction Synchronous Machine Check exception\n");
+		mtspr(SPRN_ESR, reason & ~ESR_IMCP);
+		return 0;
+	}
+	mcsr = mfspr(SPRN_MCSR);
+	if (mcsr & MCSR_IB)
+		printk(KERN_ERR "Instruction Read PLB Error\n");
+	if (mcsr & MCSR_DRB)
+		printk(KERN_ERR "Data Read PLB Error\n");
+	if (mcsr & MCSR_DWB)
+		printk(KERN_ERR "Data Write PLB Error\n");
+	if (mcsr & MCSR_TLBP)
+		printk(KERN_ERR "TLB Parity Error\n");
+	if (mcsr & MCSR_ICP) {
+		flush_instruction_cache();
+		printk(KERN_ERR "I-Cache Parity Error\n");
+	}
+	if (mcsr & MCSR_DCSP)
+		printk(KERN_ERR "D-Cache Search Parity Error\n");
+	if (mcsr & PPC47x_MCSR_GPR)
+		printk(KERN_ERR "GPR Parity Error\n");
+	if (mcsr & PPC47x_MCSR_FPR)
+		printk(KERN_ERR "FPR Parity Error\n");
+	if (mcsr & PPC47x_MCSR_IPR)
+		printk(KERN_ERR "Machine Check exception is imprecise\n");
+
+	/* Clear MCSR */
+	mtspr(SPRN_MCSR, mcsr);
+
+	return 0;
+}
 #elif defined(CONFIG_E500)
 int machine_check_e500(struct pt_regs *regs)
 {

From 2f07a88b30f510c7625d75cdf286903b465350a0 Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@redhat.com>
Date: Wed, 5 May 2010 15:15:39 +0200
Subject: [PATCH 0677/3638] udf: BKL ioctl pushdown

Convert udf_ioctl to an unlocked_ioctl and push the BKL down into it.

Signed-off-by: John Kacur <jkacur@redhat.com
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/udf/dir.c     |  2 +-
 fs/udf/file.c    | 43 +++++++++++++++++++++++++++----------------
 fs/udf/udfdecl.h |  3 +--
 3 files changed, 29 insertions(+), 19 deletions(-)

diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index f0f2a436251..3a84455c2a7 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -209,6 +209,6 @@ static int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
 const struct file_operations udf_dir_operations = {
 	.read			= generic_read_dir,
 	.readdir		= udf_readdir,
-	.ioctl			= udf_ioctl,
+	.unlocked_ioctl		= udf_ioctl,
 	.fsync			= simple_fsync,
 };
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 4b6a46ccbf4..83092fb025e 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -37,6 +37,7 @@
 #include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/aio.h>
+#include <linux/smp_lock.h>
 
 #include "udf_i.h"
 #include "udf_sb.h"
@@ -144,50 +145,60 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 	return retval;
 }
 
-int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-	      unsigned long arg)
+long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
+	struct inode *inode = filp->f_dentry->d_inode;
 	long old_block, new_block;
 	int result = -EINVAL;
 
+	lock_kernel();
+
 	if (file_permission(filp, MAY_READ) != 0) {
-		udf_debug("no permission to access inode %lu\n",
-			  inode->i_ino);
-		return -EPERM;
+		udf_debug("no permission to access inode %lu\n", inode->i_ino);
+		result = -EPERM;
+		goto out;
 	}
 
 	if (!arg) {
 		udf_debug("invalid argument to udf_ioctl\n");
-		return -EINVAL;
+		result = -EINVAL;
+		goto out;
 	}
 
 	switch (cmd) {
 	case UDF_GETVOLIDENT:
 		if (copy_to_user((char __user *)arg,
 				 UDF_SB(inode->i_sb)->s_volume_ident, 32))
-			return -EFAULT;
+			result = -EFAULT;
 		else
-			return 0;
+			result = 0;
+		goto out;
 	case UDF_RELOCATE_BLOCKS:
-		if (!capable(CAP_SYS_ADMIN))
-			return -EACCES;
-		if (get_user(old_block, (long __user *)arg))
-			return -EFAULT;
+		if (!capable(CAP_SYS_ADMIN)) {
+			result = -EACCES;
+			goto out;
+		}
+		if (get_user(old_block, (long __user *)arg)) {
+			result = -EFAULT;
+			goto out;
+		}
 		result = udf_relocate_blocks(inode->i_sb,
 						old_block, &new_block);
 		if (result == 0)
 			result = put_user(new_block, (long __user *)arg);
-		return result;
+		goto out;
 	case UDF_GETEASIZE:
 		result = put_user(UDF_I(inode)->i_lenEAttr, (int __user *)arg);
-		break;
+		goto out;
 	case UDF_GETEABLOCK:
 		result = copy_to_user((char __user *)arg,
 				      UDF_I(inode)->i_ext.i_data,
 				      UDF_I(inode)->i_lenEAttr) ? -EFAULT : 0;
-		break;
+		goto out;
 	}
 
+out:
+	unlock_kernel();
 	return result;
 }
 
@@ -207,7 +218,7 @@ static int udf_release_file(struct inode *inode, struct file *filp)
 const struct file_operations udf_file_operations = {
 	.read			= do_sync_read,
 	.aio_read		= generic_file_aio_read,
-	.ioctl			= udf_ioctl,
+	.unlocked_ioctl		= udf_ioctl,
 	.open			= dquot_file_open,
 	.mmap			= generic_file_mmap,
 	.write			= do_sync_write,
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 702a1148e70..9079ff7d625 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -130,8 +130,7 @@ extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
 			uint8_t *, uint8_t *);
 
 /* file.c */
-extern int udf_ioctl(struct inode *, struct file *, unsigned int,
-		     unsigned long);
+extern long udf_ioctl(struct file *, unsigned int, unsigned long);
 extern int udf_setattr(struct dentry *dentry, struct iattr *iattr);
 /* inode.c */
 extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *);

From 221c185d4e11b4061409da5d592779ced484614c Mon Sep 17 00:00:00 2001
From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Date: Fri, 5 Mar 2010 10:43:24 +0000
Subject: [PATCH 0678/3638] powerpc/476: Add isync after loading mmu and debug
 spr's

476 requires an isync after loading MMU and debug related SPR's.  Some of
these are in performance-critical paths and may need to be optimized, but
initially, we're playing it safe.

Signed-off-by: Torez Smith  <lnxtorez@linux.vnet.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/kernel/kprobes.c | 3 +++
 arch/powerpc/kernel/process.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index b36f074524a..c533525ca56 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -114,6 +114,9 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
 	regs->msr &= ~MSR_CE;
 	mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM);
+#ifdef CONFIG_PPC_47x
+	isync();
+#endif
 #endif
 
 	/*
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index e4d71ced97e..9d255b4f0a0 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -371,6 +371,9 @@ int set_dabr(unsigned long dabr)
 	/* XXX should we have a CPU_FTR_HAS_DABR ? */
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
 	mtspr(SPRN_DAC1, dabr);
+#ifdef CONFIG_PPC_47x
+	isync();
+#endif
 #elif defined(CONFIG_PPC_BOOK3S)
 	mtspr(SPRN_DABR, dabr);
 #endif

From b4e8c8dd8456c1d3685fb5b715c9795d250f500e Mon Sep 17 00:00:00 2001
From: Torez Smith <lnxtorez@linux.vnet.ibm.com>
Date: Fri, 5 Mar 2010 10:45:54 +0000
Subject: [PATCH 0679/3638] powerpc/4xx: Simple platform for the ISS 4xx
 simulator

This is a trivial 4xx plaform that uses the new simple bsp from
Josh and is handy to use in simulators such as ISS or even Mambo
who don't properly implement most of the actual devices in the
SoC but really only the core.

Signed-off-by: Torez Smith  <lnxtorez@linux.vnet.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/boot/Makefile            |   5 +-
 arch/powerpc/boot/dts/iss4xx-mpic.dts | 155 ++++++++++++++++++++++++
 arch/powerpc/boot/dts/iss4xx.dts      | 116 ++++++++++++++++++
 arch/powerpc/boot/treeboot-iss4xx.c   |  56 +++++++++
 arch/powerpc/boot/wrapper             |   3 +
 arch/powerpc/include/asm/reg.h        |   3 +
 arch/powerpc/kernel/cputable.c        |  15 +++
 arch/powerpc/kernel/head_44x.S        |   2 +
 arch/powerpc/platforms/44x/Kconfig    |  11 ++
 arch/powerpc/platforms/44x/Makefile   |   1 +
 arch/powerpc/platforms/44x/iss4xx.c   | 167 ++++++++++++++++++++++++++
 11 files changed, 533 insertions(+), 1 deletion(-)
 create mode 100644 arch/powerpc/boot/dts/iss4xx-mpic.dts
 create mode 100644 arch/powerpc/boot/dts/iss4xx.dts
 create mode 100644 arch/powerpc/boot/treeboot-iss4xx.c
 create mode 100644 arch/powerpc/platforms/44x/iss4xx.c

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 25e889c0c06..ad0df7d0a64 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -44,6 +44,7 @@ $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
 $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
 $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
+$(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
 $(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
 
 
@@ -77,7 +78,7 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
 		cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
 		virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
 		cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c \
-		gamecube-head.S gamecube.c wii-head.S wii.c
+		gamecube-head.S gamecube.c wii-head.S wii.c treeboot-iss4xx.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -206,6 +207,8 @@ image-$(CONFIG_TAISHAN)			+= cuImage.taishan
 image-$(CONFIG_KATMAI)			+= cuImage.katmai
 image-$(CONFIG_WARP)			+= cuImage.warp
 image-$(CONFIG_YOSEMITE)		+= cuImage.yosemite
+image-$(CONFIG_ISS4xx)			+= treeImage.iss4xx \
+					   treeImage.iss4xx-mpic
 
 # Board ports in arch/powerpc/platform/8xx/Kconfig
 image-$(CONFIG_MPC86XADS)		+= cuImage.mpc866ads
diff --git a/arch/powerpc/boot/dts/iss4xx-mpic.dts b/arch/powerpc/boot/dts/iss4xx-mpic.dts
new file mode 100644
index 00000000000..23e9d9b7e40
--- /dev/null
+++ b/arch/powerpc/boot/dts/iss4xx-mpic.dts
@@ -0,0 +1,155 @@
+/*
+ * Device Tree Source for IBM Embedded PPC 476 Platform
+ *
+ * Copyright 2010 Torez Smith, IBM Corporation.
+ *
+ * Based on earlier code:
+ *     Copyright (c) 2006, 2007 IBM Corp.
+ *     Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without
+ * any warranty of any kind, whether express or implied.
+ */
+
+/dts-v1/;
+
+/memreserve/ 0x01f00000 0x00100000;
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	model = "ibm,iss-4xx";
+	compatible = "ibm,iss-4xx";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		serial0 = &UART0;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <0>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			status = "ok";
+		};
+		cpu@1 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <1>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			status = "disabled";
+			enable-method = "spin-table";
+			cpu-release-addr = <0 0x01f00100>;
+		};
+		cpu@2 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <2>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			status = "disabled";
+			enable-method = "spin-table";
+			cpu-release-addr = <0 0x01f00200>;
+		};
+		cpu@3 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <3>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			status = "disabled";
+			enable-method = "spin-table";
+			cpu-release-addr = <0 0x01f00300>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg =  <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
+
+	};
+
+	MPIC: interrupt-controller {
+		compatible = "chrp,open-pic";
+		interrupt-controller;
+		dcr-reg = <0xffc00000 0x00030000>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+
+	};
+
+	plb {
+		compatible = "ibm,plb-4xx", "ibm,plb4"; /* Could be PLB6, doesn't matter */
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; // Filled in by zImage
+
+		POB0: opb {
+			compatible = "ibm,opb-4xx", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			/* Wish there was a nicer way of specifying a full 32-bit
+			   range */
+			ranges = <0x00000000 0x00000001 0x00000000 0x80000000
+				  0x80000000 0x00000001 0x80000000 0x80000000>;
+			clock-frequency = <0>; // Filled in by zImage
+			UART0: serial@40000200 {
+				device_type = "serial";
+				compatible = "ns16550a";
+				reg = <0x40000200 0x00000008>;
+				virtual-reg = <0xe0000200>;
+				clock-frequency = <11059200>;
+				current-speed = <115200>;
+				interrupt-parent = <&MPIC>;
+				interrupts = <0x0 0x2>;
+			};
+		};
+	};
+
+	nvrtc {
+		compatible = "ds1743-nvram", "ds1743", "rtc-ds1743";
+		reg = <0 0xEF703000 0x2000>;
+	};
+	iss-block {
+		compatible = "ibm,iss-sim-block-device";
+		reg = <0 0xEF701000 0x1000>;
+	};
+
+	chosen {
+		linux,stdout-path = "/plb/opb/serial@40000200";
+	};
+};
diff --git a/arch/powerpc/boot/dts/iss4xx.dts b/arch/powerpc/boot/dts/iss4xx.dts
new file mode 100644
index 00000000000..4ff6555c866
--- /dev/null
+++ b/arch/powerpc/boot/dts/iss4xx.dts
@@ -0,0 +1,116 @@
+/*
+ * Device Tree Source for IBM Embedded PPC 476 Platform
+ *
+ * Copyright 2010 Torez Smith, IBM Corporation.
+ *
+ * Based on earlier code:
+ *    Copyright (c) 2006, 2007 IBM Corp.
+ *    Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without
+ * any warranty of any kind, whether express or implied.
+ */
+
+/dts-v1/;
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	model = "ibm,iss-4xx";
+	compatible = "ibm,iss-4xx";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		serial0 = &UART0;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <0x00000000>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>; // may need fixup in sim
+			d-cache-line-size = <32>; // may need fixup in sim
+			i-cache-size = <32768>; /* may need fixup in sim */
+			d-cache-size = <32768>; /* may need fixup in sim */
+			dcr-controller;
+			dcr-access-method = "native";
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
+	};
+
+	UIC0: interrupt-controller0 {
+		compatible = "ibm,uic-4xx", "ibm,uic";
+		interrupt-controller;
+		cell-index = <0>;
+		dcr-reg = <0x0c0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+
+	};
+
+	UIC1: interrupt-controller1 {
+		compatible = "ibm,uic-4xx", "ibm,uic";
+		interrupt-controller;
+		cell-index = <1>;
+		dcr-reg = <0x0d0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	plb {
+		compatible = "ibm,plb-4xx", "ibm,plb4"; /* Could be PLB6, doesn't matter */
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; // Filled in by zImage
+
+		POB0: opb {
+			compatible = "ibm,opb-4xx", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			/* Wish there was a nicer way of specifying a full 32-bit
+			   range */
+			ranges = <0x00000000 0x00000001 0x00000000 0x80000000
+				  0x80000000 0x00000001 0x80000000 0x80000000>;
+			clock-frequency = <0>; // Filled in by zImage
+			UART0: serial@40000200 {
+				device_type = "serial";
+				compatible = "ns16550a";
+				reg = <0x40000200 0x00000008>;
+				virtual-reg = <0xe0000200>;
+				clock-frequency = <11059200>;
+				current-speed = <115200>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x0 0x4>;
+			};
+		};
+	};
+
+	nvrtc {
+		compatible = "ds1743-nvram", "ds1743", "rtc-ds1743";
+		reg = <0 0xEF703000 0x2000>;
+	};
+	iss-block {
+		compatible = "ibm,iss-sim-block-device";
+		reg = <0 0xEF701000 0x1000>;
+	};
+
+	chosen {
+		linux,stdout-path = "/plb/opb/serial@40000200";
+	};
+};
diff --git a/arch/powerpc/boot/treeboot-iss4xx.c b/arch/powerpc/boot/treeboot-iss4xx.c
new file mode 100644
index 00000000000..fcc44952874
--- /dev/null
+++ b/arch/powerpc/boot/treeboot-iss4xx.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2010 Ben. Herrenschmidt, IBM Corporation.
+ *
+ * Based on earlier code:
+ *   Copyright (C) Paul Mackerras 1997.
+ *
+ *   Matt Porter <mporter@kernel.crashing.org>
+ *   Copyright 2002-2005 MontaVista Software Inc.
+ *
+ *   Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ *   Copyright (c) 2003, 2004 Zultys Technologies
+ *
+ *    Copyright 2007 David Gibson, IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <stdarg.h>
+#include <stddef.h>
+#include "types.h"
+#include "elf.h"
+#include "string.h"
+#include "stdio.h"
+#include "page.h"
+#include "ops.h"
+#include "reg.h"
+#include "io.h"
+#include "dcr.h"
+#include "4xx.h"
+#include "44x.h"
+#include "libfdt.h"
+
+BSS_STACK(4096);
+
+static void iss_4xx_fixups(void)
+{
+	ibm4xx_sdram_fixup_memsize();
+}
+
+#define SPRN_PIR	0x11E	/* Processor Indentification Register */
+void platform_init(void)
+{
+	unsigned long end_of_ram = 0x08000000;
+	unsigned long avail_ram = end_of_ram - (unsigned long)_end;
+	u32 pir_reg;
+
+	simple_alloc_init(_end, avail_ram, 128, 64);
+	platform_ops.fixups = iss_4xx_fixups;
+	platform_ops.exit = ibm44x_dbcr_reset;
+	pir_reg = mfspr(SPRN_PIR);
+	fdt_set_boot_cpuid_phys(_dtb_start, pir_reg);
+	fdt_init(_dtb_start);
+	serial_console_init();
+}
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index 7160b3b1fb3..cb97e7511d7 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -241,6 +241,9 @@ gamecube|wii)
     link_address='0x600000'
     platformo="$object/$platform-head.o $object/$platform.o"
     ;;
+treeboot-iss4xx-mpic)
+    platformo="$object/treeboot-iss4xx.o"
+    ;;
 esac
 
 vmz="$tmpdir/`basename \"$kernel\"`.$ext"
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index b2d1ac635f2..b68f025924a 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -854,6 +854,9 @@
 #define PVR_8245	0x80811014
 #define PVR_8260	PVR_8240
 
+/* 476 Simulator seems to currently have the PVR of the 602... */
+#define PVR_476_ISS	0x00052000
+
 /* 64-bit processors */
 /* XXX the prefix should be PVR_, we'll do a global sweep to fix it one day */
 #define PV_NORTHSTAR	0x0033
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index ad6baf834a7..9556be903e9 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1715,6 +1715,21 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.machine_check		= machine_check_47x,
 		.platform		= "ppc470",
 	},
+	{ /* 476 iss */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00050000,
+		.cpu_name		= "476",
+		.cpu_features		= CPU_FTRS_47X,
+		.cpu_user_features	= COMMON_USER_BOOKE |
+			PPC_FEATURE_HAS_FPU,
+		.cpu_user_features	= COMMON_USER_BOOKE,
+		.mmu_features		= MMU_FTR_TYPE_47x |
+			MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 128,
+		.machine_check		= machine_check_47x,
+		.platform		= "ppc470",
+	},
 	{	/* default match */
 		.pvr_mask		= 0x00000000,
 		.pvr_value		= 0x00000000,
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 1acd175428c..5ab484ef06a 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -715,6 +715,8 @@ _GLOBAL(init_cpu_state)
 	srwi	r3,r3,16
 	cmplwi	cr0,r3,PVR_476@h
 	beq	head_start_47x
+	cmplwi	cr0,r3,PVR_476_ISS@h
+	beq	head_start_47x
 #endif /* CONFIG_PPC_47x */
 
 /*
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 9365e530ac5..eeba0a70e46 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -160,6 +160,17 @@ config YOSEMITE
 	help
 	  This option enables support for the AMCC PPC440EP evaluation board.
 
+config ISS4xx
+	bool "ISS 4xx Simulator"
+	depends on (44x || 40x)
+	default n
+	select 405GP if 40x
+	select 440GP if 44x && !PPC_47x
+	select PPC_FPU
+	select OF_RTC
+	help
+	  This option enables support for the IBM ISS simulation environment
+
 #config LUAN
 #	bool "Luan"
 #	depends on 44x
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index ee6185aeaa3..82ff326e079 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -5,3 +5,4 @@ obj-$(CONFIG_SAM440EP) 	+= sam440ep.o
 obj-$(CONFIG_WARP)	+= warp.o
 obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
 obj-$(CONFIG_XILINX_ML510) += virtex_ml510.o
+obj-$(CONFIG_ISS4xx)	+= iss4xx.o
diff --git a/arch/powerpc/platforms/44x/iss4xx.c b/arch/powerpc/platforms/44x/iss4xx.c
new file mode 100644
index 00000000000..aa46e9d1e77
--- /dev/null
+++ b/arch/powerpc/platforms/44x/iss4xx.c
@@ -0,0 +1,167 @@
+/*
+ * PPC476 board specific routines
+ *
+ * Copyright 2010 Torez Smith, IBM Corporation.
+ *
+ * Based on earlier code:
+ *    Matt Porter <mporter@kernel.crashing.org>
+ *    Copyright 2002-2005 MontaVista Software Inc.
+ *
+ *    Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ *    Copyright (c) 2003-2005 Zultys Technologies
+ *
+ *    Rewritten and ported to the merged powerpc tree:
+ *    Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/rtc.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/ppc4xx.h>
+#include <asm/mpic.h>
+#include <asm/mmu.h>
+
+static __initdata struct of_device_id iss4xx_of_bus[] = {
+	{ .compatible = "ibm,plb4", },
+	{ .compatible = "ibm,plb6", },
+	{ .compatible = "ibm,opb", },
+	{ .compatible = "ibm,ebc", },
+	{},
+};
+
+static int __init iss4xx_device_probe(void)
+{
+	of_platform_bus_probe(NULL, iss4xx_of_bus, NULL);
+	of_instantiate_rtc();
+
+	return 0;
+}
+machine_device_initcall(iss4xx, iss4xx_device_probe);
+
+/* We can have either UICs or MPICs */
+static void __init iss4xx_init_irq(void)
+{
+	struct device_node *np;
+
+	/* Find top level interrupt controller */
+	for_each_node_with_property(np, "interrupt-controller") {
+		if (of_get_property(np, "interrupts", NULL) == NULL)
+			break;
+	}
+	if (np == NULL)
+		panic("Can't find top level interrupt controller");
+
+	/* Check type and do appropriate initialization */
+	if (of_device_is_compatible(np, "ibm,uic")) {
+		uic_init_tree();
+		ppc_md.get_irq = uic_get_irq;
+#ifdef CONFIG_MPIC
+	} else if (of_device_is_compatible(np, "chrp,open-pic")) {
+		/* The MPIC driver will get everything it needs from the
+		 * device-tree, just pass 0 to all arguments
+		 */
+		struct mpic *mpic = mpic_alloc(np, 0, MPIC_PRIMARY, 0, 0,
+					       " MPIC     ");
+		BUG_ON(mpic == NULL);
+		mpic_init(mpic);
+		ppc_md.get_irq = mpic_get_irq;
+#endif
+	} else
+		panic("Unrecognized top level interrupt controller");
+}
+
+#ifdef CONFIG_SMP
+static void __cpuinit smp_iss4xx_setup_cpu(int cpu)
+{
+	mpic_setup_this_cpu();
+}
+
+static void __cpuinit smp_iss4xx_kick_cpu(int cpu)
+{
+	struct device_node *cpunode = of_get_cpu_node(cpu, NULL);
+	const u64 *spin_table_addr_prop;
+	u32 *spin_table;
+	extern void start_secondary_47x(void);
+
+	BUG_ON(cpunode == NULL);
+
+	/* Assume spin table. We could test for the enable-method in
+	 * the device-tree but currently there's little point as it's
+	 * our only supported method
+	 */
+	spin_table_addr_prop = of_get_property(cpunode, "cpu-release-addr",
+					       NULL);
+	if (spin_table_addr_prop == NULL) {
+		pr_err("CPU%d: Can't start, missing cpu-release-addr !\n", cpu);
+		return;
+	}
+
+	/* Assume it's mapped as part of the linear mapping. This is a bit
+	 * fishy but will work fine for now
+	 */
+	spin_table = (u32 *)__va(*spin_table_addr_prop);
+	pr_debug("CPU%d: Spin table mapped at %p\n", cpu, spin_table);
+
+	spin_table[3] = cpu;
+	smp_wmb();
+	spin_table[1] = __pa(start_secondary_47x);
+	mb();
+}
+
+static struct smp_ops_t iss_smp_ops = {
+	.probe		= smp_mpic_probe,
+	.message_pass	= smp_mpic_message_pass,
+	.setup_cpu	= smp_iss4xx_setup_cpu,
+	.kick_cpu	= smp_iss4xx_kick_cpu,
+	.give_timebase	= smp_generic_give_timebase,
+	.take_timebase	= smp_generic_take_timebase,
+};
+
+static void __init iss4xx_smp_init(void)
+{
+	if (mmu_has_feature(MMU_FTR_TYPE_47x))
+		smp_ops = &iss_smp_ops;
+}
+
+#else /* CONFIG_SMP */
+static void __init iss4xx_smp_init(void) { }
+#endif /* CONFIG_SMP */
+
+static void __init iss4xx_setup_arch(void)
+{
+	iss4xx_smp_init();
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init iss4xx_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (!of_flat_dt_is_compatible(root, "ibm,iss-4xx"))
+		return 0;
+
+	return 1;
+}
+
+define_machine(iss4xx) {
+	.name			= "ISS-4xx",
+	.probe			= iss4xx_probe,
+	.progress		= udbg_progress,
+	.init_IRQ		= iss4xx_init_irq,
+	.setup_arch		= iss4xx_setup_arch,
+	.restart		= ppc4xx_reset_system,
+	.calibrate_decr		= generic_calibrate_decr,
+};

From 101c192e1163c1c7e8d29748108b582929975038 Mon Sep 17 00:00:00 2001
From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Date: Fri, 5 Mar 2010 10:43:35 +0000
Subject: [PATCH 0680/3638] powerpc/47x: defconfig for 476 on the iss 4xx
 simulator

A defconfig for the IBM ISS 476 simulator

Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/configs/44x/iss476-smp_defconfig | 1026 +++++++++++++++++
 1 file changed, 1026 insertions(+)
 create mode 100644 arch/powerpc/configs/44x/iss476-smp_defconfig

diff --git a/arch/powerpc/configs/44x/iss476-smp_defconfig b/arch/powerpc/configs/44x/iss476-smp_defconfig
new file mode 100644
index 00000000000..8683cbc6c3e
--- /dev/null
+++ b/arch/powerpc/configs/44x/iss476-smp_defconfig
@@ -0,0 +1,1026 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33
+# Thu Mar  4 11:50:12 2010
+#
+# CONFIG_PPC64 is not set
+
+#
+# Processor support
+#
+# CONFIG_PPC_BOOK3S_32 is not set
+# CONFIG_PPC_85xx is not set
+# CONFIG_PPC_8xx is not set
+# CONFIG_40x is not set
+CONFIG_44x=y
+# CONFIG_E200 is not set
+CONFIG_PPC_FPU=y
+CONFIG_4xx=y
+CONFIG_BOOKE=y
+CONFIG_PTE_64BIT=y
+CONFIG_PHYS_64BIT=y
+CONFIG_PPC_MMU_NOHASH=y
+CONFIG_PPC_MMU_NOHASH_32=y
+# CONFIG_PPC_MM_SLICES is not set
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+# CONFIG_NOT_COHERENT_CACHE is not set
+CONFIG_PPC32=y
+CONFIG_WORD_SIZE=32
+CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
+CONFIG_MMU=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set
+# CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK is not set
+CONFIG_IRQ_PER_CPU=y
+CONFIG_NR_IRQS=512
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_ARCH_HAS_ILOG2_U32=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+# CONFIG_ARCH_NO_VIRT_TO_BUS is not set
+CONFIG_PPC=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_GENERIC_NVRAM=y
+CONFIG_SCHED_OMIT_FRAME_POINTER=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_PPC_OF=y
+CONFIG_OF=y
+CONFIG_PPC_UDBG_16550=y
+CONFIG_GENERIC_TBSYNC=y
+CONFIG_AUDIT_ARCH=y
+CONFIG_GENERIC_BUG=y
+CONFIG_DTC=y
+# CONFIG_DEFAULT_UIMAGE is not set
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_PPC_DCR_NATIVE=y
+# CONFIG_PPC_DCR_MMIO is not set
+CONFIG_PPC_DCR=y
+CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_PERF_EVENTS=y
+CONFIG_EVENT_PROFILE=y
+# CONFIG_PERF_COUNTERS is not set
+# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+CONFIG_TRACEPOINTS=y
+CONFIG_OPROFILE=y
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_DMA_ATTRS=y
+CONFIG_USE_GENERIC_SMP_HELPERS=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_STOP_MACHINE=y
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+CONFIG_MUTEX_SPIN_ON_OWNER=y
+# CONFIG_FREEZER is not set
+
+#
+# Platform support
+#
+# CONFIG_PPC_CELL is not set
+# CONFIG_PPC_CELL_NATIVE is not set
+# CONFIG_PQ2ADS is not set
+CONFIG_PPC_47x=y
+# CONFIG_BAMBOO is not set
+# CONFIG_EBONY is not set
+# CONFIG_SAM440EP is not set
+# CONFIG_SEQUOIA is not set
+# CONFIG_TAISHAN is not set
+# CONFIG_KATMAI is not set
+# CONFIG_RAINIER is not set
+# CONFIG_WARP is not set
+# CONFIG_ARCHES is not set
+# CONFIG_CANYONLANDS is not set
+# CONFIG_GLACIER is not set
+# CONFIG_REDWOOD is not set
+# CONFIG_EIGER is not set
+# CONFIG_YOSEMITE is not set
+CONFIG_ISS4xx=y
+# CONFIG_XILINX_VIRTEX440_GENERIC_BOARD is not set
+# CONFIG_PPC44x_SIMPLE is not set
+# CONFIG_PPC4xx_GPIO is not set
+# CONFIG_IPIC is not set
+CONFIG_MPIC=y
+# CONFIG_MPIC_WEIRD is not set
+# CONFIG_PPC_I8259 is not set
+# CONFIG_PPC_RTAS is not set
+# CONFIG_MMIO_NVRAM is not set
+# CONFIG_PPC_MPC106 is not set
+# CONFIG_PPC_970_NAP is not set
+# CONFIG_PPC_INDIRECT_IO is not set
+# CONFIG_GENERIC_IOMAP is not set
+# CONFIG_CPU_FREQ is not set
+# CONFIG_FSL_ULI1575 is not set
+CONFIG_OF_RTC=y
+# CONFIG_SIMPLE_GPIO is not set
+
+#
+# Kernel options
+#
+# CONFIG_HIGHMEM is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_HZ_100=y
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=100
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+CONFIG_MATH_EMULATION=y
+# CONFIG_IOMMU_HELPER is not set
+# CONFIG_SWIOTLB is not set
+CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_HAS_WALK_MEMORY=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
+CONFIG_IRQ_ALL_CPUS=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_MAX_ACTIVE_REGIONS=32
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
+CONFIG_PHYS_ADDR_T_64BIT=y
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_STDBINUTILS=y
+CONFIG_PPC_4K_PAGES=y
+# CONFIG_PPC_16K_PAGES is not set
+# CONFIG_PPC_64K_PAGES is not set
+# CONFIG_PPC_256K_PAGES is not set
+CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_PROC_DEVICETREE=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="root=/dev/issblk0"
+CONFIG_EXTRA_TARGETS=""
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
+
+#
+# Bus options
+#
+CONFIG_ZONE_DMA=y
+CONFIG_4xx_SOC=y
+CONFIG_PPC_PCI_CHOICE=y
+# CONFIG_PCI is not set
+# CONFIG_PCI_DOMAINS is not set
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+# CONFIG_HAS_RAPIDIO is not set
+
+#
+# Advanced setup
+#
+# CONFIG_ADVANCED_OPTIONS is not set
+
+#
+# Default settings for advanced configuration options are used
+#
+CONFIG_LOWMEM_SIZE=0x30000000
+CONFIG_PAGE_OFFSET=0xc0000000
+CONFIG_KERNEL_START=0xc0000000
+CONFIG_PHYSICAL_START=0x00000000
+CONFIG_TASK_SIZE=0xc0000000
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_DROP_MONITOR is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_LIB80211 is not set
+
+#
+# CFG80211 needs to be enabled for MAC80211
+#
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+CONFIG_CONNECTOR=y
+CONFIG_PROC_EVENTS=y
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+CONFIG_MTD_OF_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+CONFIG_MTD_PHYSMAP_OF=y
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+CONFIG_OF_DEVICE=y
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_FD is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_DRBD is not set
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=35000
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_XILINX_SYSACE is not set
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_MACINTOSH_DRIVERS is not set
+# CONFIG_NETDEVICES is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+# CONFIG_INPUT is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+CONFIG_SERIAL_8250_EXTENDED=y
+# CONFIG_SERIAL_8250_MANY_PORTS is not set
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_SERIAL_8250_DETECT_IRQ is not set
+# CONFIG_SERIAL_8250_RSA is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_UARTLITE is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+# CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL is not set
+# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_HVC_UDBG is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_GPIOLIB is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+CONFIG_THERMAL=y
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+# CONFIG_SOUND is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_EDAC is not set
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+# CONFIG_EXT4_FS is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+# CONFIG_NETWORK_FILESYSTEMS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+CONFIG_BINARY_PRINTF=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
+CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+CONFIG_STACKTRACE=y
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_DEBUG_PAGEALLOC is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_RING_BUFFER=y
+CONFIG_EVENT_TRACING=y
+CONFIG_CONTEXT_SWITCH_TRACER=y
+CONFIG_RING_BUFFER_ALLOW_SWAP=y
+CONFIG_TRACING=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_RING_BUFFER_BENCHMARK is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_DMA_API_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+# CONFIG_PPC_DISABLE_WERROR is not set
+CONFIG_PPC_WERROR=y
+CONFIG_PRINT_STACK_DEPTH=64
+# CONFIG_DEBUG_STACKOVERFLOW is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_PPC_EMULATED_STATS is not set
+# CONFIG_CODE_PATCHING_SELFTEST is not set
+# CONFIG_FTR_FIXUP_SELFTEST is not set
+# CONFIG_MSI_BITMAP_SELFTEST is not set
+# CONFIG_XMON is not set
+# CONFIG_IRQSTACKS is not set
+# CONFIG_VIRQ_DEBUG is not set
+# CONFIG_BDI_SWITCH is not set
+CONFIG_PPC_EARLY_DEBUG=y
+# CONFIG_PPC_EARLY_DEBUG_LPAR is not set
+# CONFIG_PPC_EARLY_DEBUG_G5 is not set
+# CONFIG_PPC_EARLY_DEBUG_RTAS_PANEL is not set
+# CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE is not set
+# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set
+# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set
+# CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE is not set
+# CONFIG_PPC_EARLY_DEBUG_BEAT is not set
+CONFIG_PPC_EARLY_DEBUG_44x=y
+# CONFIG_PPC_EARLY_DEBUG_40x is not set
+# CONFIG_PPC_EARLY_DEBUG_CPM is not set
+# CONFIG_PPC_EARLY_DEBUG_USBGECKO is not set
+CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW=0x40000200
+CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH=0x1
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=y
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=y
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
+# CONFIG_PPC_CLOCK is not set
+# CONFIG_VIRTUALIZATION is not set

From a32fe93daf9c6b6ffbab1d9b9e2a8e4c335bda5c Mon Sep 17 00:00:00 2001
From: Stefan Roese <sr@denx.de>
Date: Tue, 27 Apr 2010 22:13:34 +0000
Subject: [PATCH 0681/3638] powerpc/4xx: Add optional "reset_type" property to
 control reboot via dts

By setting "reset_type" to one of the following values, the default
software reset mechanism may be overidden. Here the possible values of
"reset_type":

  1 - PPC4xx core reset
  2 - PPC4xx chip reset
  3 - PPC4xx system reset (default)

This will be used by a new PPC440SPe board port, which needs a "chip
reset" instead of the default "system reset" to be asserted.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 .../powerpc/dts-bindings/4xx/reboot.txt       | 18 ++++++++++++++
 arch/powerpc/sysdev/ppc4xx_soc.c              | 24 +++++++++++++++++--
 2 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/powerpc/dts-bindings/4xx/reboot.txt

diff --git a/Documentation/powerpc/dts-bindings/4xx/reboot.txt b/Documentation/powerpc/dts-bindings/4xx/reboot.txt
new file mode 100644
index 00000000000..d7217260589
--- /dev/null
+++ b/Documentation/powerpc/dts-bindings/4xx/reboot.txt
@@ -0,0 +1,18 @@
+Reboot property to control system reboot on PPC4xx systems:
+
+By setting "reset_type" to one of the following values, the default
+software reset mechanism may be overidden. Here the possible values of
+"reset_type":
+
+      1 - PPC4xx core reset
+      2 - PPC4xx chip reset
+      3 - PPC4xx system reset (default)
+
+Example:
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,440SPe";
+			...
+			reset-type = <2>;	/* Use chip-reset */
+		};
diff --git a/arch/powerpc/sysdev/ppc4xx_soc.c b/arch/powerpc/sysdev/ppc4xx_soc.c
index 5c014350bf1..d3d6ce3c33b 100644
--- a/arch/powerpc/sysdev/ppc4xx_soc.c
+++ b/arch/powerpc/sysdev/ppc4xx_soc.c
@@ -191,11 +191,31 @@ static int __init ppc4xx_l2c_probe(void)
 arch_initcall(ppc4xx_l2c_probe);
 
 /*
- * At present, this routine just applies a system reset.
+ * Apply a system reset. Alternatively a board specific value may be
+ * provided via the "reset-type" property in the cpu node.
  */
 void ppc4xx_reset_system(char *cmd)
 {
-	mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_RST_SYSTEM);
+	struct device_node *np;
+	u32 reset_type = DBCR0_RST_SYSTEM;
+	const u32 *prop;
+
+	np = of_find_node_by_type(NULL, "cpu");
+	if (np) {
+		prop = of_get_property(np, "reset-type", NULL);
+
+		/*
+		 * Check if property exists and if it is in range:
+		 * 1 - PPC4xx core reset
+		 * 2 - PPC4xx chip reset
+		 * 3 - PPC4xx system reset (default)
+		 */
+		if ((prop) && ((prop[0] >= 1) && (prop[0] <= 3)))
+			reset_type = prop[0] << 28;
+	}
+
+	mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | reset_type);
+
 	while (1)
 		;	/* Just in case the reset doesn't work */
 }

From aea561359a30cf3c1f7a2e99684ac5501d0f53ac Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 30 Apr 2010 13:34:11 -0700
Subject: [PATCH 0682/3638] omap2/3/4: Disable CONFIG_FB_OMAP in
 omap3_defconfig

Looks like CONFIG_FB_OMAP prevents somehow mounting root on MMC
at least on zoom3 for multi-omap. Disable CONFIG_FB until the
omap FB code is fixed.

This allows booting omap3_defconfig on various omaps. Tested on
2420-n8x0, 3430-n900, 3630-zoom3 and 4430-blaze. Note that n8x0
still has issues with starting user space because of TLS and
VFP.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap3_defconfig | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index 7855edb9ff2..1efb833147c 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -1359,16 +1359,8 @@ CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_METRONOME is not set
 # CONFIG_FB_MB862XX is not set
 # CONFIG_FB_BROADSHEET is not set
-CONFIG_FB_OMAP=y
+# CONFIG_FB_OMAP is not set
 CONFIG_FB_OMAP_LCD_VGA=y
-# CONFIG_FB_OMAP_031M3R is not set
-# CONFIG_FB_OMAP_048M3R is not set
-CONFIG_FB_OMAP_079M3R=y
-# CONFIG_FB_OMAP_092M9R is not set
-# CONFIG_FB_OMAP_LCDC_EXTERNAL is not set
-# CONFIG_FB_OMAP_LCD_MIPID is not set
-# CONFIG_FB_OMAP_BOOTLOADER_INIT is not set
-CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE=2
 # CONFIG_OMAP2_DSS is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=y

From 1c4da2b737cce57f0c17344cda7f9ba1d206bfa5 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Wed, 28 Apr 2010 00:58:25 +0000
Subject: [PATCH 0683/3638] omap: add missing FIQ_START definition required
 forarch/arm/kernel/fiq.c compilation

Several ARM platforms/machines that use FIQ define their value of FIQ_START.
Since FIQ is not implemented for OMAP yet, this definition is missing from
OMAP header files.

Put an arbitrary value for FIQ_START into plat/irqs.h for OMAP. Even if not
used by the FIQ handler for Amstrad Delta, this is required for successfull
compilation of arch/arm/plat-omap/fiq.c that provides several
usefull functions.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/include/plat/irqs.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h
index 401701977db..c01d9f08a19 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -428,4 +428,8 @@ void omap3_intc_resume_idle(void);
 
 #include <mach/hardware.h>
 
+#ifdef CONFIG_FIQ
+#define FIQ_START		1024
+#endif
+
 #endif

From 60c3bf3f1215453a4f30f0b91db7fd301d558693 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Wed, 28 Apr 2010 01:01:29 +0000
Subject: [PATCH 0684/3638] OMAP1: Amstrad Delta: add FIQ handler for serial
 keyboardport interrupt processing

This patch introduces a Fast Interrupt Request (FIQ) handler for Amstrad Delta
(E3) videophone. The handler's purpose is to process interrupts generated by a
GPIO line that a serial keyboard clock hangs off. It collects consecutive bits
into words, pushing them into a buffer, then requests a higher level interrupt
after one or more words are ready for further processing by a keyboard port
driver.

The handler also processes interrupts generated by two other GPIO lines, used
by other on-board supported devices, by simply requesting a higher level
interrupt, that in turn should invoke those device's specific irq handlers.

IRQ12 line, not used by OMAP1510 hardware (described as reserved), has been
choosen as a higher level interrupt source.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap1/Kconfig                   |  10 +
 arch/arm/mach-omap1/Makefile                  |   1 +
 arch/arm/mach-omap1/ams-delta-fiq-handler.S   | 278 ++++++++++++++++++
 .../mach-omap1/include/mach/ams-delta-fiq.h   |  72 +++++
 4 files changed, 361 insertions(+)
 create mode 100644 arch/arm/mach-omap1/ams-delta-fiq-handler.S
 create mode 100644 arch/arm/mach-omap1/include/mach/ams-delta-fiq.h

diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 27f489747bb..b18d7c28ab7 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -152,6 +152,16 @@ config MACH_AMS_DELTA
 	  Support for the Amstrad E3 (codename Delta) videophone. Say Y here
 	  if you have such a device.
 
+config AMS_DELTA_FIQ
+	bool "Fast Interrupt Request (FIQ) support for the E3"
+	depends on MACH_AMS_DELTA
+	select FIQ
+	help
+	  Provide a FIQ handler for the E3.
+	  This allows for fast handling of interrupts generated
+	  by the clock line of the E3 mailboard (or a PS/2 keyboard)
+	  connected to the GPIO based external keyboard port.
+
 config MACH_OMAP_GENERIC
 	bool "Generic OMAP board"
 	depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX)
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index b6a537c875b..db0d4800134 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_MACH_OMAP_PALMZ71)		+= board-palmz71.o
 obj-$(CONFIG_MACH_OMAP_PALMTT)		+= board-palmtt.o
 obj-$(CONFIG_MACH_NOKIA770)		+= board-nokia770.o
 obj-$(CONFIG_MACH_AMS_DELTA)		+= board-ams-delta.o
+obj-$(CONFIG_AMS_DELTA_FIQ)		+= ams-delta-fiq-handler.o
 obj-$(CONFIG_MACH_SX1)			+= board-sx1.o board-sx1-mmc.o
 obj-$(CONFIG_MACH_HERALD)		+= board-htcherald.o
 
diff --git a/arch/arm/mach-omap1/ams-delta-fiq-handler.S b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
new file mode 100644
index 00000000000..927d5a18176
--- /dev/null
+++ b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
@@ -0,0 +1,278 @@
+/*
+ *  linux/arch/arm/mach-omap1/ams-delta-fiq-handler.S
+ *
+ *  Based on  linux/arch/arm/lib/floppydma.S
+ *  Renamed and modified to work with 2.6 kernel by Matt Callow
+ *  Copyright (C) 1995, 1996 Russell King
+ *  Copyright (C) 2004 Pete Trapps
+ *  Copyright (C) 2006 Matt Callow
+ *  Copyright (C) 2010 Janusz Krzysztofik
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/linkage.h>
+
+#include <plat/io.h>
+#include <plat/board-ams-delta.h>
+
+#include <mach/ams-delta-fiq.h>
+
+/*
+ * GPIO related definitions, copied from arch/arm/plat-omap/gpio.c.
+ * Unfortunately, those were not placed in a separate header file.
+ */
+#define OMAP1510_GPIO_BASE		0xFFFCE000
+#define OMAP1510_GPIO_DATA_INPUT	0x00
+#define OMAP1510_GPIO_DATA_OUTPUT	0x04
+#define OMAP1510_GPIO_DIR_CONTROL	0x08
+#define OMAP1510_GPIO_INT_CONTROL	0x0c
+#define OMAP1510_GPIO_INT_MASK		0x10
+#define OMAP1510_GPIO_INT_STATUS	0x14
+#define OMAP1510_GPIO_PIN_CONTROL	0x18
+
+/* GPIO register bitmasks */
+#define KEYBRD_DATA_MASK		(0x1 << AMS_DELTA_GPIO_PIN_KEYBRD_DATA)
+#define KEYBRD_CLK_MASK			(0x1 << AMS_DELTA_GPIO_PIN_KEYBRD_CLK)
+#define MODEM_IRQ_MASK			(0x1 << AMS_DELTA_GPIO_PIN_MODEM_IRQ)
+#define HOOK_SWITCH_MASK		(0x1 << AMS_DELTA_GPIO_PIN_HOOK_SWITCH)
+#define OTHERS_MASK			(MODEM_IRQ_MASK | HOOK_SWITCH_MASK)
+
+/* IRQ handler register bitmasks */
+#define DEFERRED_FIQ_MASK		(0x1 << (INT_DEFERRED_FIQ % IH2_BASE))
+#define GPIO_BANK1_MASK  		(0x1 << INT_GPIO_BANK1)
+
+/* Driver buffer byte offsets */
+#define BUF_MASK			(FIQ_MASK * 4)
+#define BUF_STATE			(FIQ_STATE * 4)
+#define BUF_KEYS_CNT			(FIQ_KEYS_CNT * 4)
+#define BUF_TAIL_OFFSET			(FIQ_TAIL_OFFSET * 4)
+#define BUF_HEAD_OFFSET			(FIQ_HEAD_OFFSET * 4)
+#define BUF_BUF_LEN			(FIQ_BUF_LEN * 4)
+#define BUF_KEY				(FIQ_KEY * 4)
+#define BUF_MISSED_KEYS			(FIQ_MISSED_KEYS * 4)
+#define BUF_BUFFER_START		(FIQ_BUFFER_START * 4)
+#define BUF_GPIO_INT_MASK		(FIQ_GPIO_INT_MASK * 4)
+#define BUF_KEYS_HICNT			(FIQ_KEYS_HICNT * 4)
+#define BUF_IRQ_PEND			(FIQ_IRQ_PEND * 4)
+#define BUF_SIR_CODE_L1			(FIQ_SIR_CODE_L1 * 4)
+#define BUF_SIR_CODE_L2			(IRQ_SIR_CODE_L2 * 4)
+#define BUF_CNT_INT_00			(FIQ_CNT_INT_00 * 4)
+#define BUF_CNT_INT_KEY			(FIQ_CNT_INT_KEY * 4)
+#define BUF_CNT_INT_MDM			(FIQ_CNT_INT_MDM * 4)
+#define BUF_CNT_INT_03			(FIQ_CNT_INT_03 * 4)
+#define BUF_CNT_INT_HSW			(FIQ_CNT_INT_HSW * 4)
+#define BUF_CNT_INT_05			(FIQ_CNT_INT_05 * 4)
+#define BUF_CNT_INT_06			(FIQ_CNT_INT_06 * 4)
+#define BUF_CNT_INT_07			(FIQ_CNT_INT_07 * 4)
+#define BUF_CNT_INT_08			(FIQ_CNT_INT_08 * 4)
+#define BUF_CNT_INT_09			(FIQ_CNT_INT_09 * 4)
+#define BUF_CNT_INT_10			(FIQ_CNT_INT_10 * 4)
+#define BUF_CNT_INT_11			(FIQ_CNT_INT_11 * 4)
+#define BUF_CNT_INT_12			(FIQ_CNT_INT_12 * 4)
+#define BUF_CNT_INT_13			(FIQ_CNT_INT_13 * 4)
+#define BUF_CNT_INT_14			(FIQ_CNT_INT_14 * 4)
+#define BUF_CNT_INT_15			(FIQ_CNT_INT_15 * 4)
+#define BUF_CIRC_BUFF			(FIQ_CIRC_BUFF * 4)
+
+
+/*
+ * Register useage
+ * r8  - temporary
+ * r9  - the driver buffer
+ * r10 - temporary
+ * r11 - interrupts mask
+ * r12 - base pointers
+ * r13 - interrupts status
+ */
+
+	.text
+
+	.global qwerty_fiqin_end
+
+ENTRY(qwerty_fiqin_start)
+	@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+	@ FIQ intrrupt handler
+	ldr r12, omap_ih1_base			@ set pointer to level1 handler
+
+	ldr r11, [r12, #IRQ_MIR_REG_OFFSET]	@ fetch interrupts mask
+
+	ldr r13, [r12, #IRQ_ITR_REG_OFFSET]	@ fetch interrupts status
+	bics r13, r13, r11			@ clear masked - any left?
+	beq exit				@ none - spurious FIQ? exit
+
+	ldr r10, [r12, #IRQ_SIR_FIQ_REG_OFFSET]	@ get requested interrupt number
+
+	mov r8, #2				@ reset FIQ agreement
+	str r8, [r12, #IRQ_CONTROL_REG_OFFSET]
+
+	cmp r10, #INT_GPIO_BANK1		@ is it GPIO bank interrupt?
+	beq gpio				@ yes - process it
+
+	mov r8, #1
+	orr r8, r11, r8, lsl r10		@ mask spurious interrupt
+	str r8, [r12, #IRQ_MIR_REG_OFFSET]
+exit:
+	subs	pc, lr, #4			@ return from FIQ
+	@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+
+
+	@@@@@@@@@@@@@@@@@@@@@@@@@@@
+gpio:	@ GPIO bank interrupt handler
+	ldr r12, omap1510_gpio_base		@ set base pointer to GPIO bank
+
+	ldr r11, [r12, #OMAP1510_GPIO_INT_MASK]	@ fetch GPIO interrupts mask
+restart:
+	ldr r13, [r12, #OMAP1510_GPIO_INT_STATUS]	@ fetch status bits
+	bics r13, r13, r11			@ clear masked - any left?
+	beq exit				@ no - spurious interrupt? exit
+
+	orr r11, r11, r13			@ mask all requested interrupts
+	str r11, [r12, #OMAP1510_GPIO_INT_MASK]
+
+	ands r10, r13, #KEYBRD_CLK_MASK		@ extract keyboard status - set?
+	beq hksw				@ no - try next source
+
+
+	@@@@@@@@@@@@@@@@@@@@@@
+	@ Keyboard clock FIQ mode interrupt handler
+	@ r10 now contains KEYBRD_CLK_MASK, use it
+	str r10, [r12, #OMAP1510_GPIO_INT_STATUS]	@ ack the interrupt
+	bic r11, r11, r10				@ unmask it
+	str r11, [r12, #OMAP1510_GPIO_INT_MASK]
+
+	@ Process keyboard data
+	ldr r8, [r12, #OMAP1510_GPIO_DATA_INPUT]	@ fetch GPIO input
+
+	ldr r10, [r9, #BUF_STATE]		@ fetch kbd interface state
+	cmp r10, #0				@ are we expecting start bit?
+	bne data				@ no - go to data processing
+
+	ands r8, r8, #KEYBRD_DATA_MASK		@ check start bit - detected?
+	beq hksw				@ no - try next source
+
+	@ r8 contains KEYBRD_DATA_MASK, use it
+	str r8, [r9, #BUF_STATE]		@ enter data processing state
+	@ r10 already contains 0, reuse it
+	str r10, [r9, #BUF_KEY]			@ clear keycode
+	mov r10, #2				@ reset input bit mask
+	str r10, [r9, #BUF_MASK]
+
+	@ Mask other GPIO line interrupts till key done
+	str r11, [r9, #BUF_GPIO_INT_MASK]	@ save mask for later restore
+	mvn r11, #KEYBRD_CLK_MASK		@ prepare all except kbd mask
+	str r11, [r12, #OMAP1510_GPIO_INT_MASK]	@ store into the mask register
+
+	b restart				@ restart
+
+data:	ldr r10, [r9, #BUF_MASK]		@ fetch current input bit mask
+
+	@ r8 still contains GPIO input bits
+	ands r8, r8, #KEYBRD_DATA_MASK		@ is keyboard data line low?
+	ldreq r8, [r9, #BUF_KEY]		@ yes - fetch collected so far,
+	orreq r8, r8, r10			@ set 1 at current mask position
+	streq r8, [r9, #BUF_KEY]		@ and save back
+
+	mov r10, r10, lsl #1			@ shift mask left
+	bics r10, r10, #0x800			@ have we got all the bits?
+	strne r10, [r9, #BUF_MASK]		@ not yet - store the mask
+	bne restart				@ and restart
+
+	@ r10 already contains 0, reuse it
+	str r10, [r9, #BUF_STATE]		@ reset state to start
+
+	@ Key done - restore interrupt mask
+	ldr r10, [r9, #BUF_GPIO_INT_MASK]	@ fetch saved mask
+	and r11, r11, r10			@ unmask all saved as unmasked
+	str r11, [r12, #OMAP1510_GPIO_INT_MASK]	@ restore into the mask register
+
+	@ Try appending the keycode to the circular buffer
+	ldr r10, [r9, #BUF_KEYS_CNT]		@ get saved keystrokes count
+	ldr r8, [r9, #BUF_BUF_LEN]		@ get buffer size
+	cmp r10, r8				@ is buffer full?
+	beq hksw				@ yes - key lost, next source
+
+	add r10, r10, #1			@ incremet keystrokes counter
+	str r10, [r9, #BUF_KEYS_CNT]
+
+	ldr r10, [r9, #BUF_TAIL_OFFSET]		@ get buffer tail offset
+	@ r8 already contains buffer size
+	cmp r10, r8				@ end of buffer?
+	moveq r10, #0				@ yes - rewind to buffer start
+
+	ldr r12, [r9, #BUF_BUFFER_START]	@ get buffer start address
+	add r12, r12, r10, LSL #2		@ calculate buffer tail address
+	ldr r8, [r9, #BUF_KEY]			@ get last keycode
+	str r8, [r12]				@ append it to the buffer tail
+
+	add r10, r10, #1			@ increment buffer tail offset
+	str r10, [r9, #BUF_TAIL_OFFSET]
+
+	ldr r10, [r9, #BUF_CNT_INT_KEY]		@ increment interrupts counter
+	add r10, r10, #1
+	str r10, [r9, #BUF_CNT_INT_KEY]
+	@@@@@@@@@@@@@@@@@@@@@@@@
+
+
+hksw:	@Is hook switch interrupt requested?
+	tst r13, #HOOK_SWITCH_MASK 		@ is hook switch status bit set?
+	beq mdm					@ no - try next source
+
+
+	@@@@@@@@@@@@@@@@@@@@@@@@
+	@ Hook switch interrupt FIQ mode simple handler
+
+	@ Don't toggle active edge, the switch always bounces
+
+	@ Increment hook switch interrupt counter
+	ldr r10, [r9, #BUF_CNT_INT_HSW]
+	add r10, r10, #1
+	str r10, [r9, #BUF_CNT_INT_HSW]
+	@@@@@@@@@@@@@@@@@@@@@@@@
+
+
+mdm:	@Is it a modem interrupt?
+	tst r13, #MODEM_IRQ_MASK 		@ is modem status bit set?
+	beq irq					@ no - check for next interrupt
+
+
+	@@@@@@@@@@@@@@@@@@@@@@@@
+	@ Modem FIQ mode interrupt handler stub
+
+	@ Increment modem interrupt counter
+	ldr r10, [r9, #BUF_CNT_INT_MDM]
+	add r10, r10, #1
+	str r10, [r9, #BUF_CNT_INT_MDM]
+	@@@@@@@@@@@@@@@@@@@@@@@@
+
+
+irq:	@ Place deferred_fiq interrupt request
+	ldr r12, deferred_fiq_ih_base		@ set pointer to IRQ handler
+	mov r10, #DEFERRED_FIQ_MASK		@ set deferred_fiq bit
+	str r10, [r12, #IRQ_ISR_REG_OFFSET] 	@ place it in the ISR register
+
+	ldr r12, omap1510_gpio_base		@ set pointer back to GPIO bank
+	b restart				@ check for next GPIO interrupt
+	@@@@@@@@@@@@@@@@@@@@@@@@@@@
+
+
+/*
+ * Virtual addresses for IO
+ */
+omap_ih1_base:
+	.word OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
+deferred_fiq_ih_base:
+	.word OMAP1_IO_ADDRESS(DEFERRED_FIQ_IH_BASE)
+omap1510_gpio_base:
+	.word OMAP1_IO_ADDRESS(OMAP1510_GPIO_BASE)
+qwerty_fiqin_end:
+
+/*
+ * Check the size of the FIQ,
+ * it cannot go beyond 0xffff0200, and is copied to 0xffff001c
+ */
+.if (qwerty_fiqin_end - qwerty_fiqin_start) > (0x200 - 0x1c)
+	.err
+.endif
diff --git a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
new file mode 100644
index 00000000000..8dbe75b7b89
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
@@ -0,0 +1,72 @@
+/*
+ * arch/arm/mach-omap1/include/ams-delta-fiq.h
+ *
+ * Taken from the original Amstrad modifications to fiq.h
+ *
+ * Copyright (c) 2004 Amstrad Plc
+ * Copyright (c) 2006 Matt Callow
+ * Copyright (c) 2010 Janusz Krzysztofik
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __AMS_DELTA_FIQ_H
+#define __AMS_DELTA_FIQ_H
+
+#include <plat/irqs.h>
+
+/*
+ * Interrupt number used for passing control from FIQ to IRQ.
+ * IRQ12, described as reserved, has been selected.
+ */
+#define INT_DEFERRED_FIQ	INT_1510_RES12
+/*
+ * Base address of an interrupt handler that the INT_DEFERRED_FIQ belongs to.
+ */
+#if (INT_DEFERRED_FIQ < IH2_BASE)
+#define DEFERRED_FIQ_IH_BASE	OMAP_IH1_BASE
+#else
+#define DEFERRED_FIQ_IH_BASE	OMAP_IH2_BASE
+#endif
+
+/*
+ * These are the offsets from the begining of the fiq_buffer. They are put here
+ * since the buffer and header need to be accessed by drivers servicing devices
+ * which generate GPIO interrupts - e.g. keyboard, modem, hook switch.
+ */
+#define FIQ_MASK		 0
+#define FIQ_STATE		 1
+#define FIQ_KEYS_CNT		 2
+#define FIQ_TAIL_OFFSET		 3
+#define FIQ_HEAD_OFFSET		 4
+#define FIQ_BUF_LEN		 5
+#define FIQ_KEY			 6
+#define FIQ_MISSED_KEYS		 7
+#define FIQ_BUFFER_START	 8
+#define FIQ_GPIO_INT_MASK	 9
+#define FIQ_KEYS_HICNT		10
+#define FIQ_IRQ_PEND		11
+#define FIQ_SIR_CODE_L1		12
+#define IRQ_SIR_CODE_L2		13
+
+#define FIQ_CNT_INT_00		14
+#define FIQ_CNT_INT_KEY		15
+#define FIQ_CNT_INT_MDM		16
+#define FIQ_CNT_INT_03		17
+#define FIQ_CNT_INT_HSW		18
+#define FIQ_CNT_INT_05		19
+#define FIQ_CNT_INT_06		20
+#define FIQ_CNT_INT_07		21
+#define FIQ_CNT_INT_08		22
+#define FIQ_CNT_INT_09		23
+#define FIQ_CNT_INT_10		24
+#define FIQ_CNT_INT_11		25
+#define FIQ_CNT_INT_12		26
+#define FIQ_CNT_INT_13		27
+#define FIQ_CNT_INT_14		28
+#define FIQ_CNT_INT_15		29
+
+#define FIQ_CIRC_BUFF		30      /*Start of circular buffer */
+
+#endif

From 11f9562a423896b6ecd449d829a2f34e06594301 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Wed, 28 Apr 2010 01:03:59 +0000
Subject: [PATCH 0685/3638] OMAP1: Amstrad Delta: add a handler for processing
 interruptsgenerated by the FIQ routine

This patch introduces an IRQ handler used for processing interrupts generated
by the FIQ handler when it decides there are data ready for processing.

The handler further invokes device specific interrupt routines based on
interrupt source counters passed from the FIQ handler.

The handler setup function is intended to be called from the board
provided init_machine() callback.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: Updated to include linux/io.h instead of plat/io.h
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap1/Makefile                  |   2 +-
 arch/arm/mach-omap1/ams-delta-fiq.c           | 155 ++++++++++++++++++
 .../mach-omap1/include/mach/ams-delta-fiq.h   |   7 +
 3 files changed, 163 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/mach-omap1/ams-delta-fiq.c

diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index db0d4800134..ea231c7a550 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -37,7 +37,7 @@ obj-$(CONFIG_MACH_OMAP_PALMZ71)		+= board-palmz71.o
 obj-$(CONFIG_MACH_OMAP_PALMTT)		+= board-palmtt.o
 obj-$(CONFIG_MACH_NOKIA770)		+= board-nokia770.o
 obj-$(CONFIG_MACH_AMS_DELTA)		+= board-ams-delta.o
-obj-$(CONFIG_AMS_DELTA_FIQ)		+= ams-delta-fiq-handler.o
+obj-$(CONFIG_AMS_DELTA_FIQ)		+= ams-delta-fiq.o ams-delta-fiq-handler.o
 obj-$(CONFIG_MACH_SX1)			+= board-sx1.o board-sx1-mmc.o
 obj-$(CONFIG_MACH_HERALD)		+= board-htcherald.o
 
diff --git a/arch/arm/mach-omap1/ams-delta-fiq.c b/arch/arm/mach-omap1/ams-delta-fiq.c
new file mode 100644
index 00000000000..6c994e2d887
--- /dev/null
+++ b/arch/arm/mach-omap1/ams-delta-fiq.c
@@ -0,0 +1,155 @@
+/*
+ *  Amstrad E3 FIQ handling
+ *
+ *  Copyright (C) 2009 Janusz Krzysztofik
+ *  Copyright (c) 2006 Matt Callow
+ *  Copyright (c) 2004 Amstrad Plc
+ *  Copyright (C) 2001 RidgeRun, Inc.
+ *
+ * Parts of this code are taken from linux/arch/arm/mach-omap/irq.c
+ * in the MontaVista 2.4 kernel (and the Amstrad changes therein)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/io.h>
+
+#include <plat/board-ams-delta.h>
+
+#include <asm/fiq.h>
+#include <mach/ams-delta-fiq.h>
+
+static struct fiq_handler fh = {
+	.name	= "ams-delta-fiq"
+};
+
+/*
+ * This buffer is shared between FIQ and IRQ contexts.
+ * The FIQ and IRQ isrs can both read and write it.
+ * It is structured as a header section several 32bit slots,
+ * followed by the circular buffer where the FIQ isr stores
+ * keystrokes received from the qwerty keyboard.
+ * See ams-delta-fiq.h for details of offsets.
+ */
+unsigned int fiq_buffer[1024];
+EXPORT_SYMBOL(fiq_buffer);
+
+static unsigned int irq_counter[16];
+
+static irqreturn_t deferred_fiq(int irq, void *dev_id)
+{
+	struct irq_desc *irq_desc;
+	struct irq_chip *irq_chip = NULL;
+	int gpio, irq_num, fiq_count;
+
+	irq_desc = irq_to_desc(IH_GPIO_BASE);
+	if (irq_desc)
+		irq_chip = irq_desc->chip;
+
+	/*
+	 * For each handled GPIO interrupt, keep calling its interrupt handler
+	 * until the IRQ counter catches the FIQ incremented interrupt counter.
+	 */
+	for (gpio = AMS_DELTA_GPIO_PIN_KEYBRD_CLK;
+			gpio <= AMS_DELTA_GPIO_PIN_HOOK_SWITCH; gpio++) {
+		irq_num = gpio_to_irq(gpio);
+		fiq_count = fiq_buffer[FIQ_CNT_INT_00 + gpio];
+
+		while (irq_counter[gpio] < fiq_count) {
+			if (gpio != AMS_DELTA_GPIO_PIN_KEYBRD_CLK) {
+				/*
+				 * It looks like handle_edge_irq() that
+				 * OMAP GPIO edge interrupts default to,
+				 * expects interrupt already unmasked.
+				 */
+				if (irq_chip && irq_chip->unmask)
+					irq_chip->unmask(irq_num);
+			}
+			generic_handle_irq(irq_num);
+
+			irq_counter[gpio]++;
+		}
+	}
+	return IRQ_HANDLED;
+}
+
+void __init ams_delta_init_fiq(void)
+{
+	void *fiqhandler_start;
+	unsigned int fiqhandler_length;
+	struct pt_regs FIQ_regs;
+	unsigned long val, offset;
+	int i, retval;
+
+	fiqhandler_start = &qwerty_fiqin_start;
+	fiqhandler_length = &qwerty_fiqin_end - &qwerty_fiqin_start;
+	pr_info("Installing fiq handler from %p, length 0x%x\n",
+			fiqhandler_start, fiqhandler_length);
+
+	retval = claim_fiq(&fh);
+	if (retval) {
+		pr_err("ams_delta_init_fiq(): couldn't claim FIQ, ret=%d\n",
+				retval);
+		return;
+	}
+
+	retval = request_irq(INT_DEFERRED_FIQ, deferred_fiq,
+			IRQ_TYPE_EDGE_RISING, "deferred_fiq", 0);
+	if (retval < 0) {
+		pr_err("Failed to get deferred_fiq IRQ, ret=%d\n", retval);
+		release_fiq(&fh);
+		return;
+	}
+	/*
+	 * Since no set_type() method is provided by OMAP irq chip,
+	 * switch to edge triggered interrupt type manually.
+	 */
+	offset = IRQ_ILR0_REG_OFFSET + INT_DEFERRED_FIQ * 0x4;
+	val = omap_readl(DEFERRED_FIQ_IH_BASE + offset) & ~(1 << 1);
+	omap_writel(val, DEFERRED_FIQ_IH_BASE + offset);
+
+	set_fiq_handler(fiqhandler_start, fiqhandler_length);
+
+	/*
+	 * Initialise the buffer which is shared
+	 * between FIQ mode and IRQ mode
+	 */
+	fiq_buffer[FIQ_GPIO_INT_MASK]	= 0;
+	fiq_buffer[FIQ_MASK]		= 0;
+	fiq_buffer[FIQ_STATE]		= 0;
+	fiq_buffer[FIQ_KEY]		= 0;
+	fiq_buffer[FIQ_KEYS_CNT]	= 0;
+	fiq_buffer[FIQ_KEYS_HICNT]	= 0;
+	fiq_buffer[FIQ_TAIL_OFFSET]	= 0;
+	fiq_buffer[FIQ_HEAD_OFFSET]	= 0;
+	fiq_buffer[FIQ_BUF_LEN]		= 256;
+	fiq_buffer[FIQ_MISSED_KEYS]	= 0;
+	fiq_buffer[FIQ_BUFFER_START]	=
+			(unsigned int) &fiq_buffer[FIQ_CIRC_BUFF];
+
+	for (i = FIQ_CNT_INT_00; i <= FIQ_CNT_INT_15; i++)
+		fiq_buffer[i] = 0;
+
+	/*
+	 * FIQ mode r9 always points to the fiq_buffer, becauses the FIQ isr
+	 * will run in an unpredictable context. The fiq_buffer is the FIQ isr's
+	 * only means of communication with the IRQ level and other kernel
+	 * context code.
+	 */
+	FIQ_regs.ARM_r9 = (unsigned int)fiq_buffer;
+	set_fiq_regs(&FIQ_regs);
+
+	pr_info("request_fiq(): fiq_buffer = %p\n", fiq_buffer);
+
+	/*
+	 * Redirect GPIO interrupts to FIQ
+	 */
+	offset = IRQ_ILR0_REG_OFFSET + INT_GPIO_BANK1 * 0x4;
+	val = omap_readl(OMAP_IH1_BASE + offset) | 1;
+	omap_writel(val, OMAP_IH1_BASE + offset);
+}
diff --git a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
index 8dbe75b7b89..7a2df29400c 100644
--- a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
+++ b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
@@ -69,4 +69,11 @@
 
 #define FIQ_CIRC_BUFF		30      /*Start of circular buffer */
 
+#ifndef __ASSEMBLER__
+extern unsigned int fiq_buffer[];
+extern unsigned char qwerty_fiqin_start, qwerty_fiqin_end;
+
+extern void __init ams_delta_init_fiq(void);
+#endif
+
 #endif

From 4cb2dc67d160642410eb3cbdbfd7e7fb5f3db21a Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Wed, 28 Apr 2010 01:05:47 +0000
Subject: [PATCH 0686/3638] OMAP1: Amstrad Delta: update board initialization
 code forcomplete modem IRQ GPIO line setup

In case of Amstrad Delta modem utilized GPIO line, interrupt is requested from
standard serial8250 driver code without first requesting the GPIO pin itself.
Even if it works with default OMAP GPIO interrupt handler, it appeared not
compatible with recent, optimized version of the board GPIO FIQ handler,
required for fast processing of interrupts generated by other GPIO pin that a
serial keyboard clock hangs off.

This patch fills the board specific modem initialization routine with common
GPIO line reservation and direction setup.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap1/board-ams-delta.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 7fc11c34b69..9217bbdc35a 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -263,8 +263,18 @@ static struct platform_device ams_delta_modem_device = {
 
 static int __init ams_delta_modem_init(void)
 {
+	int err;
+
 	omap_cfg_reg(M14_1510_GPIO2);
-	ams_delta_modem_ports[0].irq = gpio_to_irq(2);
+	ams_delta_modem_ports[0].irq =
+			gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
+
+	err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
+	if (err) {
+		pr_err("Couldn't request gpio pin for modem\n");
+		return err;
+	}
+	gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 
 	ams_delta_latch2_write(
 		AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,

From e6f740f59693d9a997daeef8fbe7351e6641b743 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Wed, 28 Apr 2010 01:07:42 +0000
Subject: [PATCH 0687/3638] OMAP1: Amstrad Delta: use FIQ for processing GPIO
 interrupts

The patch adds initialization of FIQ related handlers to the Amstrad Delta
videophone board code. FIQ will be used instead of a traditional IRQ for
processing all GPIO generated interrupts, including a keyboard serial clock
line.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap1/board-ams-delta.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 9217bbdc35a..fdd1dd53fa9 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -33,6 +33,8 @@
 #include <plat/board.h>
 #include <plat/common.h>
 
+#include <mach/ams-delta-fiq.h>
+
 static u8 ams_delta_latch1_reg;
 static u16 ams_delta_latch2_reg;
 
@@ -236,6 +238,10 @@ static void __init ams_delta_init(void)
 	omap_usb_init(&ams_delta_usb_config);
 	platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 
+#ifdef CONFIG_AMS_DELTA_FIQ
+	ams_delta_init_fiq();
+#endif
+
 	omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 }
 

From 29453932d8a2ba9f1bf25a951c1b76b9fe86d1b6 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Wed, 28 Apr 2010 01:10:50 +0000
Subject: [PATCH 0688/3638] input: serio: add support for Amstrad Delta serial
 keyboardport

The patch introduces a serio driver that supports a keyboard serial port found
on the Amstrad Delta videophone board.

After initializing the hardware, the driver reads its input data from a buffer
filled in by the board FIQ (Fast Interrupt Request) handler.

Standard AT keyboard driver (atkbd) will be used on top of the serio layer for
handling the E3 keyboard (called mailboard) connected to the port. Since the
device generated scancodes differ from what the atkbd expects, a custom key
code to scan code table must be loaded from userspace for the keyboard to be
useable.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 drivers/input/serio/Kconfig           |  16 +++
 drivers/input/serio/Makefile          |   1 +
 drivers/input/serio/ams_delta_serio.c | 177 ++++++++++++++++++++++++++
 3 files changed, 194 insertions(+)
 create mode 100644 drivers/input/serio/ams_delta_serio.c

diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index 7e319d65ec5..f34f1dbeb57 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -209,4 +209,20 @@ config SERIO_ALTERA_PS2
 	  To compile this driver as a module, choose M here: the
 	  module will be called altera_ps2.
 
+config SERIO_AMS_DELTA
+	tristate "Amstrad Delta (E3) mailboard support"
+	depends on MACH_AMS_DELTA
+	default y
+	select AMS_DELTA_FIQ
+	---help---
+	  Say Y here if you have an E3 and want to use its mailboard,
+	  or any standard AT keyboard connected to the mailboard port.
+
+	  When used for the E3 mailboard, a non-standard key table
+	  must be loaded from userspace, possibly using udev extras
+	  provided keymap helper utility.
+
+	  To compile this driver as a module, choose M here;
+	  the module will be called ams_delta_serio.
+
 endif
diff --git a/drivers/input/serio/Makefile b/drivers/input/serio/Makefile
index bf945f789d0..84c80bf7185 100644
--- a/drivers/input/serio/Makefile
+++ b/drivers/input/serio/Makefile
@@ -21,5 +21,6 @@ obj-$(CONFIG_SERIO_PCIPS2)	+= pcips2.o
 obj-$(CONFIG_SERIO_MACEPS2)	+= maceps2.o
 obj-$(CONFIG_SERIO_LIBPS2)	+= libps2.o
 obj-$(CONFIG_SERIO_RAW)		+= serio_raw.o
+obj-$(CONFIG_SERIO_AMS_DELTA)	+= ams_delta_serio.o
 obj-$(CONFIG_SERIO_XILINX_XPS_PS2)	+= xilinx_ps2.o
 obj-$(CONFIG_SERIO_ALTERA_PS2)	+= altera_ps2.o
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
new file mode 100644
index 00000000000..8f1770e1e08
--- /dev/null
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -0,0 +1,177 @@
+/*
+ *  Amstrad E3 (Delta) keyboard port driver
+ *
+ *  Copyright (c) 2006 Matt Callow
+ *  Copyright (c) 2010 Janusz Krzysztofik
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * Thanks to Cliff Lawson for his help
+ *
+ * The Amstrad Delta keyboard (aka mailboard) uses normal PC-AT style serial
+ * transmission.  The keyboard port is formed of two GPIO lines, for clock
+ * and data.  Due to strict timing requirements of the interface,
+ * the serial data stream is read and processed by a FIQ handler.
+ * The resulting words are fetched by this driver from a circular buffer.
+ *
+ * Standard AT keyboard driver (atkbd) is used for handling the keyboard data.
+ * However, when used with the E3 mailboard that producecs non-standard
+ * scancodes, a custom key table must be prepared and loaded from userspace.
+ */
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/serio.h>
+#include <linux/slab.h>
+
+#include <asm/mach-types.h>
+#include <plat/board-ams-delta.h>
+
+#include <mach/ams-delta-fiq.h>
+
+MODULE_AUTHOR("Matt Callow");
+MODULE_DESCRIPTION("AMS Delta (E3) keyboard port driver");
+MODULE_LICENSE("GPL");
+
+static struct serio *ams_delta_serio;
+
+static int check_data(int data)
+{
+	int i, parity = 0;
+
+	/* check valid stop bit */
+	if (!(data & 0x400)) {
+		dev_warn(&ams_delta_serio->dev,
+				"invalid stop bit, data=0x%X\n",
+				data);
+		return SERIO_FRAME;
+	}
+	/* calculate the parity */
+	for (i = 1; i < 10; i++) {
+		if (data & (1 << i))
+			parity++;
+	}
+	/* it should be odd */
+	if (!(parity & 0x01)) {
+		dev_warn(&ams_delta_serio->dev,
+				"paritiy check failed, data=0x%X parity=0x%X\n",
+				data, parity);
+		return SERIO_PARITY;
+	}
+	return 0;
+}
+
+static irqreturn_t ams_delta_serio_interrupt(int irq, void *dev_id)
+{
+	int *circ_buff = &fiq_buffer[FIQ_CIRC_BUFF];
+	int data, dfl;
+	u8 scancode;
+
+	fiq_buffer[FIQ_IRQ_PEND] = 0;
+
+	/*
+	 * Read data from the circular buffer, check it
+	 * and then pass it on the serio
+	 */
+	while (fiq_buffer[FIQ_KEYS_CNT] > 0) {
+
+		data = circ_buff[fiq_buffer[FIQ_HEAD_OFFSET]++];
+		fiq_buffer[FIQ_KEYS_CNT]--;
+		if (fiq_buffer[FIQ_HEAD_OFFSET] == fiq_buffer[FIQ_BUF_LEN])
+			fiq_buffer[FIQ_HEAD_OFFSET] = 0;
+
+		dfl = check_data(data);
+		scancode = (u8) (data >> 1) & 0xFF;
+		serio_interrupt(ams_delta_serio, scancode, dfl);
+	}
+	return IRQ_HANDLED;
+}
+
+static int ams_delta_serio_open(struct serio *serio)
+{
+	/* enable keyboard */
+	ams_delta_latch2_write(AMD_DELTA_LATCH2_KEYBRD_PWR,
+			AMD_DELTA_LATCH2_KEYBRD_PWR);
+
+	return 0;
+}
+
+static void ams_delta_serio_close(struct serio *serio)
+{
+	/* disable keyboard */
+	ams_delta_latch2_write(AMD_DELTA_LATCH2_KEYBRD_PWR, 0);
+}
+
+static int __init ams_delta_serio_init(void)
+{
+	int err;
+
+	if (!machine_is_ams_delta())
+		return -ENODEV;
+
+	ams_delta_serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
+	if (!ams_delta_serio)
+		return -ENOMEM;
+
+	ams_delta_serio->id.type = SERIO_8042;
+	ams_delta_serio->open = ams_delta_serio_open;
+	ams_delta_serio->close = ams_delta_serio_close;
+	strlcpy(ams_delta_serio->name, "AMS DELTA keyboard adapter",
+			sizeof(ams_delta_serio->name));
+	strlcpy(ams_delta_serio->phys, "GPIO/serio0",
+			sizeof(ams_delta_serio->phys));
+
+	err = gpio_request(AMS_DELTA_GPIO_PIN_KEYBRD_DATA, "serio-data");
+	if (err) {
+		pr_err("ams_delta_serio: Couldn't request gpio pin for data\n");
+		goto serio;
+	}
+	gpio_direction_input(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
+
+	err = gpio_request(AMS_DELTA_GPIO_PIN_KEYBRD_CLK, "serio-clock");
+	if (err) {
+		pr_err("ams_delta_serio: couldn't request gpio pin for clock\n");
+		goto gpio_data;
+	}
+	gpio_direction_input(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
+
+	err = request_irq(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK),
+			ams_delta_serio_interrupt, IRQ_TYPE_EDGE_RISING,
+			"ams-delta-serio", 0);
+	if (err < 0) {
+		pr_err("ams_delta_serio: couldn't request gpio interrupt %d\n",
+				gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK));
+		goto gpio_clk;
+	}
+	/*
+	 * Since GPIO register handling for keyboard clock pin is performed
+	 * at FIQ level, switch back from edge to simple interrupt handler
+	 * to avoid bad interaction.
+	 */
+	set_irq_handler(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK),
+			handle_simple_irq);
+
+	serio_register_port(ams_delta_serio);
+	dev_info(&ams_delta_serio->dev, "%s\n", ams_delta_serio->name);
+
+	return 0;
+gpio_clk:
+	gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
+gpio_data:
+	gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
+serio:
+	kfree(ams_delta_serio);
+	return err;
+}
+module_init(ams_delta_serio_init);
+
+static void __exit ams_delta_serio_exit(void)
+{
+	serio_unregister_port(ams_delta_serio);
+	free_irq(OMAP_GPIO_IRQ(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), 0);
+	gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
+	gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
+	kfree(ams_delta_serio);
+}
+module_exit(ams_delta_serio_exit);

From ec20cec7a351584ca6c70ead012e73d61f9a8e04 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Fri, 19 Mar 2010 14:13:52 -0700
Subject: [PATCH 0689/3638] ocfs2: Make ocfs2_journal_dirty() void.

jbd[2]_journal_dirty_metadata() only returns 0.  It's been returning 0
since before the kernel moved to git.  There is no point in checking
this error.

ocfs2_journal_dirty() has been faithfully returning the status since the
beginning.  All over ocfs2, we have blocks of code checking this can't
fail status.  In the past few years, we've tried to avoid adding these
checks, because they are pointless.  But anyone who looks at our code
assumes they are needed.

Finally, ocfs2_journal_dirty() is made a void function.  All error
checking is removed from other files.  We'll BUG_ON() the status of
jbd2_journal_dirty_metadata() just in case they change it someday.  They
won't.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/alloc.c        | 164 +++++++++-------------------------------
 fs/ocfs2/dir.c          |  48 +++---------
 fs/ocfs2/file.c         |  19 +----
 fs/ocfs2/inode.c        |  14 +---
 fs/ocfs2/journal.c      |  11 +--
 fs/ocfs2/journal.h      |   3 +-
 fs/ocfs2/localalloc.c   |  23 +-----
 fs/ocfs2/namei.c        |  62 +++------------
 fs/ocfs2/quota_global.c |   4 +-
 fs/ocfs2/quota_local.c  |  50 +++---------
 fs/ocfs2/refcounttree.c |  20 +----
 fs/ocfs2/resize.c       |  13 +---
 fs/ocfs2/suballoc.c     |  64 +++-------------
 fs/ocfs2/xattr.c        |  38 ++--------
 14 files changed, 102 insertions(+), 431 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 9f8bd913c51..89e994dad02 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -1061,11 +1061,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
 
 			/* We'll also be dirtied by the caller, so
 			 * this isn't absolutely necessary. */
-			status = ocfs2_journal_dirty(handle, bhs[i]);
-			if (status < 0) {
-				mlog_errno(status);
-				goto bail;
-			}
+			ocfs2_journal_dirty(handle, bhs[i]);
 		}
 
 		count += num_got;
@@ -1270,12 +1266,7 @@ static int ocfs2_add_branch(handle_t *handle,
 		if (!eb_el->l_tree_depth)
 			new_last_eb_blk = le64_to_cpu(eb->h_blkno);
 
-		status = ocfs2_journal_dirty(handle, bh);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
-
+		ocfs2_journal_dirty(handle, bh);
 		next_blkno = le64_to_cpu(eb->h_blkno);
 	}
 
@@ -1321,17 +1312,10 @@ static int ocfs2_add_branch(handle_t *handle,
 	eb = (struct ocfs2_extent_block *) (*last_eb_bh)->b_data;
 	eb->h_next_leaf_blk = cpu_to_le64(new_last_eb_blk);
 
-	status = ocfs2_journal_dirty(handle, *last_eb_bh);
-	if (status < 0)
-		mlog_errno(status);
-	status = ocfs2_journal_dirty(handle, et->et_root_bh);
-	if (status < 0)
-		mlog_errno(status);
-	if (eb_bh) {
-		status = ocfs2_journal_dirty(handle, eb_bh);
-		if (status < 0)
-			mlog_errno(status);
-	}
+	ocfs2_journal_dirty(handle, *last_eb_bh);
+	ocfs2_journal_dirty(handle, et->et_root_bh);
+	if (eb_bh)
+		ocfs2_journal_dirty(handle, eb_bh);
 
 	/*
 	 * Some callers want to track the rightmost leaf so pass it
@@ -1399,11 +1383,7 @@ static int ocfs2_shift_tree_depth(handle_t *handle,
 	for (i = 0; i < le16_to_cpu(root_el->l_next_free_rec); i++)
 		eb_el->l_recs[i] = root_el->l_recs[i];
 
-	status = ocfs2_journal_dirty(handle, new_eb_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, new_eb_bh);
 
 	status = ocfs2_et_root_journal_access(handle, et,
 					      OCFS2_JOURNAL_ACCESS_WRITE);
@@ -1428,11 +1408,7 @@ static int ocfs2_shift_tree_depth(handle_t *handle,
 	if (root_el->l_tree_depth == cpu_to_le16(1))
 		ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno));
 
-	status = ocfs2_journal_dirty(handle, et->et_root_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, et->et_root_bh);
 
 	*ret_new_eb_bh = new_eb_bh;
 	new_eb_bh = NULL;
@@ -2064,7 +2040,7 @@ static void ocfs2_complete_edge_insert(handle_t *handle,
 				       struct ocfs2_path *right_path,
 				       int subtree_index)
 {
-	int ret, i, idx;
+	int i, idx;
 	struct ocfs2_extent_list *el, *left_el, *right_el;
 	struct ocfs2_extent_rec *left_rec, *right_rec;
 	struct buffer_head *root_bh = left_path->p_node[subtree_index].bh;
@@ -2102,13 +2078,8 @@ static void ocfs2_complete_edge_insert(handle_t *handle,
 		ocfs2_adjust_adjacent_records(left_rec, left_el, right_rec,
 					      right_el);
 
-		ret = ocfs2_journal_dirty(handle, left_path->p_node[i].bh);
-		if (ret)
-			mlog_errno(ret);
-
-		ret = ocfs2_journal_dirty(handle, right_path->p_node[i].bh);
-		if (ret)
-			mlog_errno(ret);
+		ocfs2_journal_dirty(handle, left_path->p_node[i].bh);
+		ocfs2_journal_dirty(handle, right_path->p_node[i].bh);
 
 		/*
 		 * Setup our list pointers now so that the current
@@ -2132,9 +2103,7 @@ static void ocfs2_complete_edge_insert(handle_t *handle,
 
 	root_bh = left_path->p_node[subtree_index].bh;
 
-	ret = ocfs2_journal_dirty(handle, root_bh);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, root_bh);
 }
 
 static int ocfs2_rotate_subtree_right(handle_t *handle,
@@ -2207,11 +2176,7 @@ static int ocfs2_rotate_subtree_right(handle_t *handle,
 
 	ocfs2_create_empty_extent(right_el);
 
-	ret = ocfs2_journal_dirty(handle, right_leaf_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+	ocfs2_journal_dirty(handle, right_leaf_bh);
 
 	/* Do the copy now. */
 	i = le16_to_cpu(left_el->l_next_free_rec) - 1;
@@ -2230,11 +2195,7 @@ static int ocfs2_rotate_subtree_right(handle_t *handle,
 	memset(&left_el->l_recs[0], 0, sizeof(struct ocfs2_extent_rec));
 	le16_add_cpu(&left_el->l_next_free_rec, 1);
 
-	ret = ocfs2_journal_dirty(handle, left_leaf_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+	ocfs2_journal_dirty(handle, left_leaf_bh);
 
 	ocfs2_complete_edge_insert(handle, left_path, right_path,
 				   subtree_index);
@@ -2823,12 +2784,8 @@ static int ocfs2_rotate_subtree_left(handle_t *handle,
 		ocfs2_remove_empty_extent(right_leaf_el);
 	}
 
-	ret = ocfs2_journal_dirty(handle, path_leaf_bh(left_path));
-	if (ret)
-		mlog_errno(ret);
-	ret = ocfs2_journal_dirty(handle, path_leaf_bh(right_path));
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, path_leaf_bh(left_path));
+	ocfs2_journal_dirty(handle, path_leaf_bh(right_path));
 
 	if (del_right_subtree) {
 		ocfs2_unlink_subtree(handle, et, left_path, right_path,
@@ -2851,9 +2808,7 @@ static int ocfs2_rotate_subtree_left(handle_t *handle,
 		if (right_has_empty)
 			ocfs2_remove_empty_extent(left_leaf_el);
 
-		ret = ocfs2_journal_dirty(handle, et_root_bh);
-		if (ret)
-			mlog_errno(ret);
+		ocfs2_journal_dirty(handle, et_root_bh);
 
 		*deleted = 1;
 	} else
@@ -2962,10 +2917,7 @@ static int ocfs2_rotate_rightmost_leaf_left(handle_t *handle,
 	}
 
 	ocfs2_remove_empty_extent(el);
-
-	ret = ocfs2_journal_dirty(handle, bh);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, bh);
 
 out:
 	return ret;
@@ -3506,15 +3458,9 @@ static int ocfs2_merge_rec_right(struct ocfs2_path *left_path,
 
 	ocfs2_cleanup_merge(el, index);
 
-	ret = ocfs2_journal_dirty(handle, bh);
-	if (ret)
-		mlog_errno(ret);
-
+	ocfs2_journal_dirty(handle, bh);
 	if (right_path) {
-		ret = ocfs2_journal_dirty(handle, path_leaf_bh(right_path));
-		if (ret)
-			mlog_errno(ret);
-
+		ocfs2_journal_dirty(handle, path_leaf_bh(right_path));
 		ocfs2_complete_edge_insert(handle, left_path, right_path,
 					   subtree_index);
 	}
@@ -3683,14 +3629,9 @@ static int ocfs2_merge_rec_left(struct ocfs2_path *right_path,
 
 	ocfs2_cleanup_merge(el, index);
 
-	ret = ocfs2_journal_dirty(handle, bh);
-	if (ret)
-		mlog_errno(ret);
-
+	ocfs2_journal_dirty(handle, bh);
 	if (left_path) {
-		ret = ocfs2_journal_dirty(handle, path_leaf_bh(left_path));
-		if (ret)
-			mlog_errno(ret);
+		ocfs2_journal_dirty(handle, path_leaf_bh(left_path));
 
 		/*
 		 * In the situation that the right_rec is empty and the extent
@@ -4016,10 +3957,7 @@ static void ocfs2_adjust_rightmost_records(handle_t *handle,
 		le32_add_cpu(&rec->e_int_clusters,
 			     -le32_to_cpu(rec->e_cpos));
 
-		ret = ocfs2_journal_dirty(handle, bh);
-		if (ret)
-			mlog_errno(ret);
-
+		ocfs2_journal_dirty(handle, bh);
 	}
 }
 
@@ -4251,17 +4189,13 @@ static int ocfs2_insert_path(handle_t *handle,
 		 * dirty this for us.
 		 */
 		if (left_path)
-			ret = ocfs2_journal_dirty(handle,
-						  path_leaf_bh(left_path));
-			if (ret)
-				mlog_errno(ret);
+			ocfs2_journal_dirty(handle,
+					    path_leaf_bh(left_path));
 	} else
 		ocfs2_insert_at_leaf(et, insert_rec, path_leaf_el(right_path),
 				     insert);
 
-	ret = ocfs2_journal_dirty(handle, leaf_bh);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, leaf_bh);
 
 	if (left_path) {
 		/*
@@ -4384,9 +4318,7 @@ out_update_clusters:
 		ocfs2_et_update_clusters(et,
 					 le16_to_cpu(insert_rec->e_leaf_clusters));
 
-	ret = ocfs2_journal_dirty(handle, et->et_root_bh);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, et->et_root_bh);
 
 out:
 	ocfs2_free_path(left_path);
@@ -4895,11 +4827,7 @@ int ocfs2_add_clusters_in_btree(handle_t *handle,
 		goto leave;
 	}
 
-	status = ocfs2_journal_dirty(handle, et->et_root_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto leave;
-	}
+	ocfs2_journal_dirty(handle, et->et_root_bh);
 
 	clusters_to_add -= num_bits;
 	*logical_offset += num_bits;
@@ -5724,11 +5652,7 @@ int ocfs2_remove_btree_range(struct inode *inode,
 
 	ocfs2_et_update_clusters(et, -len);
 
-	ret = ocfs2_journal_dirty(handle, et->et_root_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
+	ocfs2_journal_dirty(handle, et->et_root_bh);
 
 	ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len);
 	if (ret)
@@ -5850,11 +5774,7 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb,
 	}
 	tl->tl_recs[index].t_clusters = cpu_to_le32(num_clusters);
 
-	status = ocfs2_journal_dirty(handle, tl_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, tl_bh);
 
 bail:
 	mlog_exit(status);
@@ -5893,11 +5813,7 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,
 
 		tl->tl_used = cpu_to_le16(i);
 
-		status = ocfs2_journal_dirty(handle, tl_bh);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
+		ocfs2_journal_dirty(handle, tl_bh);
 
 		/* TODO: Perhaps we can calculate the bulk of the
 		 * credits up front rather than extending like
@@ -6824,11 +6740,7 @@ find_tail_record:
 		}
 
 delete:
-		ret = ocfs2_journal_dirty(handle, bh);
-		if (ret) {
-			mlog_errno(ret);
-			goto out;
-		}
+		ocfs2_journal_dirty(handle, bh);
 
 		mlog(0, "extent list container %llu, after: record %d: "
 		     "(%u, %u, %llu), next = %u.\n",
@@ -6959,22 +6871,14 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb,
 	} else if (last_eb)
 		fe->i_last_eb_blk = last_eb->h_blkno;
 
-	status = ocfs2_journal_dirty(handle, fe_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, fe_bh);
 
 	if (last_eb) {
 		/* If there will be a new last extent block, then by
 		 * definition, there cannot be any leaves to the right of
 		 * him. */
 		last_eb->h_next_leaf_blk = 0;
-		status = ocfs2_journal_dirty(handle, last_eb_bh);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
+		ocfs2_journal_dirty(handle, last_eb_bh);
 	}
 
 	if (delete_blk) {
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index efd77d071c8..6d832487c18 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -1194,7 +1194,7 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir,
 			else
 				de->inode = 0;
 			dir->i_version++;
-			status = ocfs2_journal_dirty(handle, bh);
+			ocfs2_journal_dirty(handle, bh);
 			goto bail;
 		}
 		i += le16_to_cpu(de->rec_len);
@@ -1752,7 +1752,7 @@ int __ocfs2_add_entry(handle_t *handle,
 				ocfs2_recalc_free_list(dir, handle, lookup);
 
 			dir->i_version++;
-			status = ocfs2_journal_dirty(handle, insert_bh);
+			ocfs2_journal_dirty(handle, insert_bh);
 			retval = 0;
 			goto bail;
 		}
@@ -2297,12 +2297,7 @@ static int ocfs2_fill_new_dir_id(struct ocfs2_super *osb,
 	}
 
 	ocfs2_fill_initial_dirents(inode, parent, data->id_data, size);
-
 	ocfs2_journal_dirty(handle, di_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
 
 	i_size_write(inode, size);
 	inode->i_nlink = 2;
@@ -2366,11 +2361,7 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb,
 		ocfs2_init_dir_trailer(inode, new_bh, size);
 	}
 
-	status = ocfs2_journal_dirty(handle, new_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, new_bh);
 
 	i_size_write(inode, inode->i_sb->s_blocksize);
 	inode->i_nlink = 2;
@@ -2458,10 +2449,7 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
 		dx_root->dr_list.l_count =
 			cpu_to_le16(ocfs2_extent_recs_per_dx_root(osb->sb));
 	}
-
-	ret = ocfs2_journal_dirty(handle, dx_root_bh);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, dx_root_bh);
 
 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(dir), di_bh,
 				      OCFS2_JOURNAL_ACCESS_CREATE);
@@ -2475,9 +2463,7 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
 	OCFS2_I(dir)->ip_dyn_features |= OCFS2_INDEXED_DIR_FL;
 	di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);
 
-	ret = ocfs2_journal_dirty(handle, di_bh);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, di_bh);
 
 	*ret_dx_root_bh = dx_root_bh;
 	dx_root_bh = NULL;
@@ -3034,11 +3020,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 		ocfs2_init_dir_trailer(dir, dirdata_bh, i);
 	}
 
-	ret = ocfs2_journal_dirty(handle, dirdata_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
+	ocfs2_journal_dirty(handle, dirdata_bh);
 
 	if (ocfs2_supports_indexed_dirs(osb) && !dx_inline) {
 		/*
@@ -3104,11 +3086,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 	 */
 	dir->i_blocks = ocfs2_inode_sector_count(dir);
 
-	ret = ocfs2_journal_dirty(handle, di_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
+	ocfs2_journal_dirty(handle, di_bh);
 
 	if (ocfs2_supports_indexed_dirs(osb)) {
 		ret = ocfs2_dx_dir_attach_index(osb, handle, dir, di_bh,
@@ -3423,11 +3401,7 @@ do_extend:
 	} else {
 		de->rec_len = cpu_to_le16(sb->s_blocksize);
 	}
-	status = ocfs2_journal_dirty(handle, new_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, new_bh);
 
 	dir_i_size += dir->i_sb->s_blocksize;
 	i_size_write(dir, dir_i_size);
@@ -3906,11 +3880,7 @@ static int ocfs2_dx_dir_rebalance(struct ocfs2_super *osb, struct inode *dir,
 	     sizeof(struct ocfs2_dx_entry), dx_leaf_sort_cmp,
 	     dx_leaf_sort_swap);
 
-	ret = ocfs2_journal_dirty(handle, dx_leaf_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
+	ocfs2_journal_dirty(handle, dx_leaf_bh);
 
 	ret = ocfs2_dx_dir_find_leaf_split(dx_leaf, leaf_cpos, insert_hash,
 					   &split_hash);
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 17947dc8341..e6e8281628a 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -278,10 +278,7 @@ int ocfs2_update_inode_atime(struct inode *inode,
 	inode->i_atime = CURRENT_TIME;
 	di->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
 	di->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
-
-	ret = ocfs2_journal_dirty(handle, bh);
-	if (ret < 0)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, bh);
 
 out_commit:
 	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
@@ -430,9 +427,7 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb,
 	di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec);
 	di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
 
-	status = ocfs2_journal_dirty(handle, fe_bh);
-	if (status < 0)
-		mlog_errno(status);
+	ocfs2_journal_dirty(handle, fe_bh);
 
 out_commit:
 	ocfs2_commit_trans(osb, handle);
@@ -666,11 +661,7 @@ restarted_transaction:
 		goto leave;
 	}
 
-	status = ocfs2_journal_dirty(handle, bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto leave;
-	}
+	ocfs2_journal_dirty(handle, bh);
 
 	spin_lock(&OCFS2_I(inode)->ip_lock);
 	clusters_to_add -= (OCFS2_I(inode)->ip_clusters - prev_clusters);
@@ -1194,9 +1185,7 @@ static int __ocfs2_write_remove_suid(struct inode *inode,
 	di = (struct ocfs2_dinode *) bh->b_data;
 	di->i_mode = cpu_to_le16(inode->i_mode);
 
-	ret = ocfs2_journal_dirty(handle, bh);
-	if (ret < 0)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, bh);
 
 out_trans:
 	ocfs2_commit_trans(osb, handle);
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 278a223aae1..7cc0b4665d5 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -657,12 +657,7 @@ static int ocfs2_remove_inode(struct inode *inode,
 
 	di->i_dtime = cpu_to_le64(CURRENT_TIME.tv_sec);
 	di->i_flags &= cpu_to_le32(~(OCFS2_VALID_FL | OCFS2_ORPHANED_FL));
-
-	status = ocfs2_journal_dirty(handle, di_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail_commit;
-	}
+	ocfs2_journal_dirty(handle, di_bh);
 
 	ocfs2_remove_from_cache(INODE_CACHE(inode), di_bh);
 	dquot_free_inode(inode);
@@ -1276,13 +1271,8 @@ int ocfs2_mark_inode_dirty(handle_t *handle,
 	fe->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec);
 	fe->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
 
-	status = ocfs2_journal_dirty(handle, bh);
-	if (status < 0)
-		mlog_errno(status);
-
-	status = 0;
+	ocfs2_journal_dirty(handle, bh);
 leave:
-
 	mlog_exit(status);
 	return status;
 }
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 9336c60e3a3..cfd271c64da 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -734,8 +734,7 @@ int ocfs2_journal_access(handle_t *handle, struct ocfs2_caching_info *ci,
 	return __ocfs2_journal_access(handle, ci, bh, NULL, type);
 }
 
-int ocfs2_journal_dirty(handle_t *handle,
-			struct buffer_head *bh)
+void ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh)
 {
 	int status;
 
@@ -743,13 +742,9 @@ int ocfs2_journal_dirty(handle_t *handle,
 		   (unsigned long long)bh->b_blocknr);
 
 	status = jbd2_journal_dirty_metadata(handle, bh);
-	if (status < 0)
-		mlog(ML_ERROR, "Could not dirty metadata buffer. "
-		     "(bh->b_blocknr=%llu)\n",
-		     (unsigned long long)bh->b_blocknr);
+	BUG_ON(status);
 
-	mlog_exit(status);
-	return status;
+	mlog_exit_void();
 }
 
 #define OCFS2_DEFAULT_COMMIT_INTERVAL	(HZ * JBD2_DEFAULT_MAX_COMMIT_AGE)
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 3f74e09b0d8..7dc56561c9a 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -325,8 +325,7 @@ int ocfs2_journal_access(handle_t *handle, struct ocfs2_caching_info *ci,
  *	<modify the bh>
  * 	ocfs2_journal_dirty(handle, bh);
  */
-int                  ocfs2_journal_dirty(handle_t *handle,
-					 struct buffer_head *bh);
+void ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh);
 
 /*
  *  Credit Macros:
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index c983715d8d8..7e7dd65d97e 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -305,12 +305,7 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
 	}
 
 	ocfs2_clear_local_alloc(alloc);
-
-	status = ocfs2_journal_dirty(handle, bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_commit;
-	}
+	ocfs2_journal_dirty(handle, bh);
 
 	brelse(bh);
 	osb->local_alloc_bh = NULL;
@@ -691,14 +686,8 @@ int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
 		ocfs2_set_bit(start++, bitmap);
 
 	le32_add_cpu(&alloc->id1.bitmap1.i_used, *num_bits);
+	ocfs2_journal_dirty(handle, osb->local_alloc_bh);
 
-	status = ocfs2_journal_dirty(handle, osb->local_alloc_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
-
-	status = 0;
 bail:
 	mlog_exit(status);
 	return status;
@@ -1169,12 +1158,7 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
 	}
 
 	ocfs2_clear_local_alloc(alloc);
-
-	status = ocfs2_journal_dirty(handle, osb->local_alloc_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, osb->local_alloc_bh);
 
 	status = ocfs2_sync_local_to_main(osb, handle, alloc_copy,
 					  main_bm_inode, main_bm_bh);
@@ -1192,7 +1176,6 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
 
 	atomic_inc(&osb->alloc_stats.moves);
 
-	status = 0;
 bail:
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index d9cd4e373a5..21d4a33d0f0 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -384,11 +384,7 @@ static int ocfs2_mknod(struct inode *dir,
 			goto leave;
 		}
 		ocfs2_add_links_count(dirfe, 1);
-		status = ocfs2_journal_dirty(handle, parent_fe_bh);
-		if (status < 0) {
-			mlog_errno(status);
-			goto leave;
-		}
+		ocfs2_journal_dirty(handle, parent_fe_bh);
 		inc_nlink(dir);
 	}
 
@@ -556,11 +552,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
 		fel->l_count = cpu_to_le16(ocfs2_extent_recs_per_inode(osb->sb));
 	}
 
-	status = ocfs2_journal_dirty(handle, *new_fe_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto leave;
-	}
+	ocfs2_journal_dirty(handle, *new_fe_bh);
 
 	ocfs2_populate_inode(inode, fe, 1);
 	ocfs2_ci_set_new(osb, INODE_CACHE(inode));
@@ -694,14 +686,7 @@ static int ocfs2_link(struct dentry *old_dentry,
 	ocfs2_set_links_count(fe, inode->i_nlink);
 	fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
 	fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
-
-	err = ocfs2_journal_dirty(handle, fe_bh);
-	if (err < 0) {
-		ocfs2_add_links_count(fe, -1);
-		drop_nlink(inode);
-		mlog_errno(err);
-		goto out_commit;
-	}
+	ocfs2_journal_dirty(handle, fe_bh);
 
 	err = ocfs2_add_entry(handle, dentry, inode,
 			      OCFS2_I(inode)->ip_blkno,
@@ -898,12 +883,7 @@ static int ocfs2_unlink(struct inode *dir,
 		drop_nlink(inode);
 	drop_nlink(inode);
 	ocfs2_set_links_count(fe, inode->i_nlink);
-
-	status = ocfs2_journal_dirty(handle, fe_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto leave;
-	}
+	ocfs2_journal_dirty(handle, fe_bh);
 
 	dir->i_ctime = dir->i_mtime = CURRENT_TIME;
 	if (S_ISDIR(inode->i_mode))
@@ -1321,12 +1301,7 @@ static int ocfs2_rename(struct inode *old_dir,
 			ocfs2_set_links_count(newfe, 0);
 		else
 			ocfs2_add_links_count(newfe, -1);
-
-		status = ocfs2_journal_dirty(handle, newfe_bh);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
+		ocfs2_journal_dirty(handle, newfe_bh);
 	} else {
 		/* if the name was not found in new_dir, add it now */
 		status = ocfs2_add_entry(handle, new_dentry, old_inode,
@@ -1345,10 +1320,7 @@ static int ocfs2_rename(struct inode *old_dir,
 
 		old_di->i_ctime = cpu_to_le64(old_inode->i_ctime.tv_sec);
 		old_di->i_ctime_nsec = cpu_to_le32(old_inode->i_ctime.tv_nsec);
-
-		status = ocfs2_journal_dirty(handle, old_inode_bh);
-		if (status < 0)
-			mlog_errno(status);
+		ocfs2_journal_dirty(handle, old_inode_bh);
 	} else
 		mlog_errno(status);
 
@@ -1420,7 +1392,7 @@ static int ocfs2_rename(struct inode *old_dir,
 							 OCFS2_JOURNAL_ACCESS_WRITE);
 			fe = (struct ocfs2_dinode *) old_dir_bh->b_data;
 			ocfs2_set_links_count(fe, old_dir->i_nlink);
-			status = ocfs2_journal_dirty(handle, old_dir_bh);
+			ocfs2_journal_dirty(handle, old_dir_bh);
 		}
 	}
 	ocfs2_dentry_move(old_dentry, new_dentry, old_dir, new_dir);
@@ -1552,11 +1524,7 @@ static int ocfs2_create_symlink_data(struct ocfs2_super *osb,
 		       (bytes_left > sb->s_blocksize) ? sb->s_blocksize :
 		       bytes_left);
 
-		status = ocfs2_journal_dirty(handle, bhs[virtual]);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
+		ocfs2_journal_dirty(handle, bhs[virtual]);
 
 		virtual++;
 		p_blkno++;
@@ -1943,12 +1911,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
 	if (S_ISDIR(inode->i_mode))
 		ocfs2_add_links_count(orphan_fe, 1);
 	orphan_dir_inode->i_nlink = ocfs2_read_links_count(orphan_fe);
-
-	status = ocfs2_journal_dirty(handle, orphan_dir_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto leave;
-	}
+	ocfs2_journal_dirty(handle, orphan_dir_bh);
 
 	status = __ocfs2_add_entry(handle, orphan_dir_inode, name,
 				   OCFS2_ORPHAN_NAMELEN, inode,
@@ -2029,12 +1992,7 @@ int ocfs2_orphan_del(struct ocfs2_super *osb,
 	if (S_ISDIR(inode->i_mode))
 		ocfs2_add_links_count(orphan_fe, -1);
 	orphan_dir_inode->i_nlink = ocfs2_read_links_count(orphan_fe);
-
-	status = ocfs2_journal_dirty(handle, orphan_dir_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto leave;
-	}
+	ocfs2_journal_dirty(handle, orphan_dir_bh);
 
 leave:
 	ocfs2_free_dir_lookup_result(&lookup);
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 355f41d1d52..faaa4d072c9 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -260,10 +260,8 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
 		brelse(bh);
 		goto out;
 	}
-	err = ocfs2_journal_dirty(handle, bh);
+	ocfs2_journal_dirty(handle, bh);
 	brelse(bh);
-	if (err < 0)
-		goto out;
 out:
 	if (err) {
 		mutex_unlock(&gqinode->i_mutex);
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index a6467f3d262..a8f4cea1b82 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -118,12 +118,8 @@ static int ocfs2_modify_bh(struct inode *inode, struct buffer_head *bh,
 	lock_buffer(bh);
 	modify(bh, private);
 	unlock_buffer(bh);
-	status = ocfs2_journal_dirty(handle, bh);
-	if (status < 0) {
-		mlog_errno(status);
-		ocfs2_commit_trans(OCFS2_SB(sb), handle);
-		return status;
-	}
+	ocfs2_journal_dirty(handle, bh);
+
 	status = ocfs2_commit_trans(OCFS2_SB(sb), handle);
 	if (status < 0) {
 		mlog_errno(status);
@@ -522,9 +518,7 @@ static int ocfs2_recover_local_quota_file(struct inode *lqinode,
 			ocfs2_clear_bit(bit, dchunk->dqc_bitmap);
 			le32_add_cpu(&dchunk->dqc_free, 1);
 			unlock_buffer(qbh);
-			status = ocfs2_journal_dirty(handle, qbh);
-			if (status < 0)
-				mlog_errno(status);
+			ocfs2_journal_dirty(handle, qbh);
 out_commit:
 			mutex_unlock(&sb_dqopt(sb)->dqio_mutex);
 			ocfs2_commit_trans(OCFS2_SB(sb), handle);
@@ -630,9 +624,7 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
 		lock_buffer(bh);
 		ldinfo->dqi_flags = cpu_to_le32(flags | OLQF_CLEAN);
 		unlock_buffer(bh);
-		status = ocfs2_journal_dirty(handle, bh);
-		if (status < 0)
-			mlog_errno(status);
+		ocfs2_journal_dirty(handle, bh);
 out_trans:
 		ocfs2_commit_trans(osb, handle);
 out_bh:
@@ -1008,11 +1000,7 @@ static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk(
 	       sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) -
 	       OCFS2_QBLK_RESERVED_SPACE);
 	unlock_buffer(bh);
-	status = ocfs2_journal_dirty(handle, bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_trans;
-	}
+	ocfs2_journal_dirty(handle, bh);
 
 	/* Initialize new block with structures */
 	down_read(&OCFS2_I(lqinode)->ip_alloc_sem);
@@ -1039,11 +1027,7 @@ static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk(
 	lock_buffer(dbh);
 	memset(dbh->b_data, 0, sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE);
 	unlock_buffer(dbh);
-	status = ocfs2_journal_dirty(handle, dbh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_trans;
-	}
+	ocfs2_journal_dirty(handle, dbh);
 
 	/* Update local quotafile info */
 	oinfo->dqi_blocks += 2;
@@ -1154,11 +1138,8 @@ static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file(
 	lock_buffer(bh);
 	memset(bh->b_data, 0, sb->s_blocksize);
 	unlock_buffer(bh);
-	status = ocfs2_journal_dirty(handle, bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_trans;
-	}
+	ocfs2_journal_dirty(handle, bh);
+
 	/* Update chunk header */
 	status = ocfs2_journal_access_dq(handle, INODE_CACHE(lqinode),
 					 chunk->qc_headerbh,
@@ -1172,11 +1153,8 @@ static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file(
 	lock_buffer(chunk->qc_headerbh);
 	le32_add_cpu(&dchunk->dqc_free, ol_quota_entries_per_block(sb));
 	unlock_buffer(chunk->qc_headerbh);
-	status = ocfs2_journal_dirty(handle, chunk->qc_headerbh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_trans;
-	}
+	ocfs2_journal_dirty(handle, chunk->qc_headerbh);
+
 	/* Update file header */
 	oinfo->dqi_blocks++;
 	status = ocfs2_local_write_info(sb, type);
@@ -1311,12 +1289,8 @@ static int ocfs2_local_release_dquot(struct dquot *dquot)
 	ocfs2_clear_bit(offset, dchunk->dqc_bitmap);
 	le32_add_cpu(&dchunk->dqc_free, 1);
 	unlock_buffer(od->dq_chunk->qc_headerbh);
-	status = ocfs2_journal_dirty(handle, od->dq_chunk->qc_headerbh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out;
-	}
-	status = 0;
+	ocfs2_journal_dirty(handle, od->dq_chunk->qc_headerbh);
+
 out:
 	/* Clear the read bit so that next time someone uses this
 	 * dquot he reads fresh info from disk and allocates local
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 29405f2ff61..4b0b4eb7935 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -1269,9 +1269,7 @@ static int ocfs2_change_refcount_rec(handle_t *handle,
 	} else if (merge)
 		ocfs2_refcount_rec_merge(rb, index);
 
-	ret = ocfs2_journal_dirty(handle, ref_leaf_bh);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, ref_leaf_bh);
 out:
 	return ret;
 }
@@ -1803,11 +1801,7 @@ static int ocfs2_insert_refcount_rec(handle_t *handle,
 	if (merge)
 		ocfs2_refcount_rec_merge(rb, index);
 
-	ret = ocfs2_journal_dirty(handle, ref_leaf_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+	ocfs2_journal_dirty(handle, ref_leaf_bh);
 
 	if (index == 0) {
 		ret = ocfs2_adjust_refcount_rec(handle, ci,
@@ -1978,9 +1972,7 @@ static int ocfs2_split_refcount_rec(handle_t *handle,
 			ocfs2_refcount_rec_merge(rb, index);
 	}
 
-	ret = ocfs2_journal_dirty(handle, ref_leaf_bh);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, ref_leaf_bh);
 
 out:
 	brelse(new_bh);
@@ -3041,11 +3033,7 @@ static int ocfs2_duplicate_clusters_by_jbd(handle_t *handle,
 		}
 
 		memcpy(new_bh->b_data, old_bh->b_data, sb->s_blocksize);
-		ret = ocfs2_journal_dirty(handle, new_bh);
-		if (ret) {
-			mlog_errno(ret);
-			break;
-		}
+		ocfs2_journal_dirty(handle, new_bh);
 
 		brelse(new_bh);
 		brelse(old_bh);
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index 3c3d673a4d2..a821f667b5c 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -134,11 +134,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
 		le16_add_cpu(&group->bg_free_bits_count, -1 * backups);
 	}
 
-	ret = ocfs2_journal_dirty(handle, group_bh);
-	if (ret < 0) {
-		mlog_errno(ret);
-		goto out_rollback;
-	}
+	ocfs2_journal_dirty(handle, group_bh);
 
 	/* update the inode accordingly. */
 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(bm_inode), bm_bh,
@@ -545,12 +541,7 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input)
 
 	group = (struct ocfs2_group_desc *)group_bh->b_data;
 	group->bg_next_group = cr->c_blkno;
-
-	ret = ocfs2_journal_dirty(handle, group_bh);
-	if (ret < 0) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
+	ocfs2_journal_dirty(handle, group_bh);
 
 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(main_bm_inode),
 				      main_bm_bh, OCFS2_JOURNAL_ACCESS_WRITE);
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 19ba00f2854..d4babfba4f0 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -369,9 +369,7 @@ static int ocfs2_block_group_fill(handle_t *handle,
 	ocfs2_set_bit(0, (unsigned long *)bg->bg_bitmap);
 	bg->bg_free_bits_count = cpu_to_le16(le16_to_cpu(bg->bg_bits) - 1);
 
-	status = ocfs2_journal_dirty(handle, bg_bh);
-	if (status < 0)
-		mlog_errno(status);
+	ocfs2_journal_dirty(handle, bg_bh);
 
 	/* There is no need to zero out or otherwise initialize the
 	 * other blocks in a group - All valid FS metadata in a block
@@ -506,11 +504,7 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 	le32_add_cpu(&fe->id1.bitmap1.i_total, le16_to_cpu(bg->bg_bits));
 	le32_add_cpu(&fe->i_clusters, le16_to_cpu(cl->cl_cpg));
 
-	status = ocfs2_journal_dirty(handle, bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, bh);
 
 	spin_lock(&OCFS2_I(alloc_inode)->ip_lock);
 	OCFS2_I(alloc_inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
@@ -1129,16 +1123,10 @@ static inline int ocfs2_block_group_set_bits(handle_t *handle,
 	}
 
 	le16_add_cpu(&bg->bg_free_bits_count, -num_bits);
-
 	while(num_bits--)
 		ocfs2_set_bit(bit_off++, bitmap);
 
-	status = ocfs2_journal_dirty(handle,
-				     group_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, group_bh);
 
 bail:
 	mlog_exit(status);
@@ -1202,12 +1190,7 @@ static int ocfs2_relink_block_group(handle_t *handle,
 	}
 
 	prev_bg->bg_next_group = bg->bg_next_group;
-
-	status = ocfs2_journal_dirty(handle, prev_bg_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_rollback;
-	}
+	ocfs2_journal_dirty(handle, prev_bg_bh);
 
 	status = ocfs2_journal_access_gd(handle, INODE_CACHE(alloc_inode),
 					 bg_bh, OCFS2_JOURNAL_ACCESS_WRITE);
@@ -1217,12 +1200,7 @@ static int ocfs2_relink_block_group(handle_t *handle,
 	}
 
 	bg->bg_next_group = fe->id2.i_chain.cl_recs[chain].c_blkno;
-
-	status = ocfs2_journal_dirty(handle, bg_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_rollback;
-	}
+	ocfs2_journal_dirty(handle, bg_bh);
 
 	status = ocfs2_journal_access_di(handle, INODE_CACHE(alloc_inode),
 					 fe_bh, OCFS2_JOURNAL_ACCESS_WRITE);
@@ -1232,14 +1210,8 @@ static int ocfs2_relink_block_group(handle_t *handle,
 	}
 
 	fe->id2.i_chain.cl_recs[chain].c_blkno = bg->bg_blkno;
+	ocfs2_journal_dirty(handle, fe_bh);
 
-	status = ocfs2_journal_dirty(handle, fe_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_rollback;
-	}
-
-	status = 0;
 out_rollback:
 	if (status < 0) {
 		fe->id2.i_chain.cl_recs[chain].c_blkno = cpu_to_le64(fe_ptr);
@@ -1386,10 +1358,7 @@ static int ocfs2_alloc_dinode_update_counts(struct inode *inode,
 	tmp_used = le32_to_cpu(di->id1.bitmap1.i_used);
 	di->id1.bitmap1.i_used = cpu_to_le32(num_bits + tmp_used);
 	le32_add_cpu(&cl->cl_recs[chain].c_free, -num_bits);
-
-	ret = ocfs2_journal_dirty(handle, di_bh);
-	if (ret < 0)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, di_bh);
 
 out:
 	return ret;
@@ -1560,13 +1529,7 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 	tmp_used = le32_to_cpu(fe->id1.bitmap1.i_used);
 	fe->id1.bitmap1.i_used = cpu_to_le32(*num_bits + tmp_used);
 	le32_add_cpu(&cl->cl_recs[chain].c_free, -(*num_bits));
-
-	status = ocfs2_journal_dirty(handle,
-				     ac->ac_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, ac->ac_bh);
 
 	status = ocfs2_block_group_set_bits(handle,
 					    alloc_inode,
@@ -2023,9 +1986,7 @@ static int ocfs2_block_group_clear_bits(handle_t *handle,
 	if (undo_fn)
 		jbd_unlock_bh_state(group_bh);
 
-	status = ocfs2_journal_dirty(handle, group_bh);
-	if (status < 0)
-		mlog_errno(status);
+	ocfs2_journal_dirty(handle, group_bh);
 bail:
 	return status;
 }
@@ -2092,12 +2053,7 @@ static int _ocfs2_free_suballoc_bits(handle_t *handle,
 		     count);
 	tmp_used = le32_to_cpu(fe->id1.bitmap1.i_used);
 	fe->id1.bitmap1.i_used = cpu_to_le32(tmp_used - count);
-
-	status = ocfs2_journal_dirty(handle, alloc_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
+	ocfs2_journal_dirty(handle, alloc_bh);
 
 bail:
 	brelse(group_bh);
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 3e7773089b9..4cf6fde7102 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -739,11 +739,7 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode,
 		goto leave;
 	}
 
-	status = ocfs2_journal_dirty(handle, vb->vb_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto leave;
-	}
+	ocfs2_journal_dirty(handle, vb->vb_bh);
 
 	clusters_to_add -= le32_to_cpu(vb->vb_xv->xr_clusters) - prev_clusters;
 
@@ -786,12 +782,7 @@ static int __ocfs2_remove_xattr_range(struct inode *inode,
 	}
 
 	le32_add_cpu(&vb->vb_xv->xr_clusters, -len);
-
-	ret = ocfs2_journal_dirty(handle, vb->vb_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+	ocfs2_journal_dirty(handle, vb->vb_bh);
 
 	if (ext_flags & OCFS2_EXT_REFCOUNTED)
 		ret = ocfs2_decrease_refcount(inode, handle,
@@ -1374,11 +1365,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode,
 				memset(bh->b_data + cp_len, 0,
 				       blocksize - cp_len);
 
-			ret = ocfs2_journal_dirty(handle, bh);
-			if (ret < 0) {
-				mlog_errno(ret);
-				goto out;
-			}
+			ocfs2_journal_dirty(handle, bh);
 			brelse(bh);
 			bh = NULL;
 
@@ -2594,9 +2581,7 @@ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh)
 	di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
 	spin_unlock(&oi->ip_lock);
 
-	ret = ocfs2_journal_dirty(handle, di_bh);
-	if (ret < 0)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, di_bh);
 out_commit:
 	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
@@ -2724,9 +2709,7 @@ static int ocfs2_xattr_ibody_init(struct inode *inode,
 	di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
 	spin_unlock(&oi->ip_lock);
 
-	ret = ocfs2_journal_dirty(ctxt->handle, di_bh);
-	if (ret < 0)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(ctxt->handle, di_bh);
 
 out:
 	return ret;
@@ -5153,9 +5136,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
 		goto leave;
 	}
 
-	ret = ocfs2_journal_dirty(handle, root_bh);
-	if (ret < 0)
-		mlog_errno(ret);
+	ocfs2_journal_dirty(handle, root_bh);
 
 leave:
 	return ret;
@@ -5477,12 +5458,7 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode,
 	}
 
 	le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, -len);
-
-	ret = ocfs2_journal_dirty(handle, root_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
+	ocfs2_journal_dirty(handle, root_bh);
 
 	ret = ocfs2_truncate_log_append(osb, handle, blkno, len);
 	if (ret)

From d02f00cc057809d96c044cc72d5b9809d59f7d49 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Mon, 7 Dec 2009 13:10:48 -0800
Subject: [PATCH 0690/3638] ocfs2: allocation reservations

This patch improves Ocfs2 allocation policy by allowing an inode to
reserve a portion of the local alloc bitmap for itself. The reserved
portion (allocation window) is advisory in that other allocation
windows might steal it if the local alloc bitmap becomes
full. Otherwise, the reservations are honored and guaranteed to be
free. When the local alloc window is moved to a different portion of
the bitmap, existing reservations are discarded.

Reservation windows are represented internally by a red-black
tree. Within that tree, each node represents the reservation window of
one inode. An LRU of active reservations is also maintained. When new
data is written, we allocate it from the inodes window. When all bits
in a window are exhausted, we allocate a new one as close to the
previous one as possible. Should we not find free space, an existing
reservation is pulled off the LRU and cannibalized.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
 Documentation/filesystems/ocfs2.txt |   3 +
 fs/ocfs2/Makefile                   |   1 +
 fs/ocfs2/cluster/masklog.c          |   1 +
 fs/ocfs2/cluster/masklog.h          |   1 +
 fs/ocfs2/localalloc.c               |  64 ++-
 fs/ocfs2/ocfs2.h                    |   5 +
 fs/ocfs2/reservations.c             | 849 ++++++++++++++++++++++++++++
 fs/ocfs2/reservations.h             | 154 +++++
 fs/ocfs2/suballoc.h                 |   2 +
 fs/ocfs2/super.c                    |  25 +
 10 files changed, 1094 insertions(+), 11 deletions(-)
 create mode 100644 fs/ocfs2/reservations.c
 create mode 100644 fs/ocfs2/reservations.h

diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt
index c58b9f5ba00..412df909593 100644
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -80,3 +80,6 @@ user_xattr	(*)	Enables Extended User Attributes.
 nouser_xattr		Disables Extended User Attributes.
 acl			Enables POSIX Access Control Lists support.
 noacl		(*)	Disables POSIX Access Control Lists support.
+resv_level=4	(*)	Set how agressive allocation reservations will be.
+			Valid values are between 0 (reservations off) to 8
+			(maximum space for reservations).
diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile
index 791c0886c06..07d9fd85435 100644
--- a/fs/ocfs2/Makefile
+++ b/fs/ocfs2/Makefile
@@ -29,6 +29,7 @@ ocfs2-objs := \
 	mmap.o 			\
 	namei.o 		\
 	refcounttree.o		\
+	reservations.o		\
 	resize.o		\
 	slot_map.o 		\
 	suballoc.o 		\
diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index 3bb928a2bf7..c7fba396392 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -116,6 +116,7 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = {
 	define_mask(ERROR),
 	define_mask(NOTICE),
 	define_mask(KTHREAD),
+	define_mask(RESERVATIONS),
 };
 
 static struct attribute *mlog_attr_ptrs[MLOG_MAX_BITS] = {NULL, };
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index 3dfddbec32f..fd96e2a2fa5 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -119,6 +119,7 @@
 #define ML_ERROR	0x0000000100000000ULL /* sent to KERN_ERR */
 #define ML_NOTICE	0x0000000200000000ULL /* setn to KERN_NOTICE */
 #define ML_KTHREAD	0x0000000400000000ULL /* kernel thread activity */
+#define	ML_RESERVATIONS	0x0000000800000000ULL /* ocfs2 alloc reservations */
 
 #define MLOG_INITIAL_AND_MASK (ML_ERROR|ML_NOTICE)
 #define MLOG_INITIAL_NOT_MASK (ML_ENTRY|ML_EXIT)
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 7e7dd65d97e..7fe8149a000 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -52,7 +52,8 @@ static u32 ocfs2_local_alloc_count_bits(struct ocfs2_dinode *alloc);
 
 static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
 					     struct ocfs2_dinode *alloc,
-					     u32 numbits);
+					     u32 *numbits,
+					     struct ocfs2_alloc_reservation *resv);
 
 static void ocfs2_clear_local_alloc(struct ocfs2_dinode *alloc);
 
@@ -262,6 +263,8 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
 
 	osb->local_alloc_state = OCFS2_LA_DISABLED;
 
+	ocfs2_resmap_uninit(&osb->osb_la_resmap);
+
 	main_bm_inode = ocfs2_get_system_file_inode(osb,
 						    GLOBAL_BITMAP_SYSTEM_INODE,
 						    OCFS2_INVALID_SLOT);
@@ -493,7 +496,7 @@ static int ocfs2_local_alloc_in_range(struct inode *inode,
 	alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data;
 	la = OCFS2_LOCAL_ALLOC(alloc);
 
-	start = ocfs2_local_alloc_find_clear_bits(osb, alloc, bits_wanted);
+	start = ocfs2_local_alloc_find_clear_bits(osb, alloc, &bits_wanted, NULL);
 	if (start == -1) {
 		mlog_errno(-ENOSPC);
 		return 0;
@@ -659,7 +662,8 @@ int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
 	alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data;
 	la = OCFS2_LOCAL_ALLOC(alloc);
 
-	start = ocfs2_local_alloc_find_clear_bits(osb, alloc, bits_wanted);
+	start = ocfs2_local_alloc_find_clear_bits(osb, alloc, &bits_wanted,
+						  ac->ac_resv);
 	if (start == -1) {
 		/* TODO: Shouldn't we just BUG here? */
 		status = -ENOSPC;
@@ -669,8 +673,6 @@ int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
 
 	bitmap = la->la_bitmap;
 	*bit_off = le32_to_cpu(la->la_bm_off) + start;
-	/* local alloc is always contiguous by nature -- we never
-	 * delete bits from it! */
 	*num_bits = bits_wanted;
 
 	status = ocfs2_journal_access_di(handle,
@@ -682,6 +684,9 @@ int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
 		goto bail;
 	}
 
+	ocfs2_resmap_claimed_bits(&osb->osb_la_resmap, ac->ac_resv, start,
+				  bits_wanted);
+
 	while(bits_wanted--)
 		ocfs2_set_bit(start++, bitmap);
 
@@ -711,13 +716,17 @@ static u32 ocfs2_local_alloc_count_bits(struct ocfs2_dinode *alloc)
 }
 
 static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
-					     struct ocfs2_dinode *alloc,
-					     u32 numbits)
+				     struct ocfs2_dinode *alloc,
+				     u32 *numbits,
+				     struct ocfs2_alloc_reservation *resv)
 {
 	int numfound, bitoff, left, startoff, lastzero;
+	int local_resv = 0;
+	struct ocfs2_alloc_reservation r;
 	void *bitmap = NULL;
+	struct ocfs2_reservation_map *resmap = &osb->osb_la_resmap;
 
-	mlog_entry("(numbits wanted = %u)\n", numbits);
+	mlog_entry("(numbits wanted = %u)\n", *numbits);
 
 	if (!alloc->id1.bitmap1.i_total) {
 		mlog(0, "No bits in my window!\n");
@@ -725,6 +734,30 @@ static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
 		goto bail;
 	}
 
+	if (!resv) {
+		local_resv = 1;
+		ocfs2_resv_init_once(&r);
+		ocfs2_resv_set_type(&r, OCFS2_RESV_FLAG_TMP);
+		resv = &r;
+	}
+
+	numfound = *numbits;
+	if (ocfs2_resmap_resv_bits(resmap, resv, &bitoff, &numfound) == 0) {
+		if (numfound < *numbits)
+			*numbits = numfound;
+		goto bail;
+	}
+
+	/*
+	 * Code error. While reservations are enabled, local
+	 * allocation should _always_ go through them.
+	 */
+	BUG_ON(osb->osb_resv_level != 0);
+
+	/*
+	 * Reservations are disabled. Handle this the old way.
+	 */
+
 	bitmap = OCFS2_LOCAL_ALLOC(alloc)->la_bitmap;
 
 	numfound = bitoff = startoff = 0;
@@ -750,7 +783,7 @@ static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
 			startoff = bitoff+1;
 		}
 		/* we got everything we needed */
-		if (numfound == numbits) {
+		if (numfound == *numbits) {
 			/* mlog(0, "Found it all!\n"); */
 			break;
 		}
@@ -759,12 +792,18 @@ static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
 	mlog(0, "Exiting loop, bitoff = %d, numfound = %d\n", bitoff,
 	     numfound);
 
-	if (numfound == numbits)
+	if (numfound == *numbits) {
 		bitoff = startoff - numfound;
-	else
+		*numbits = numfound;
+	} else {
+		numfound = 0;
 		bitoff = -1;
+	}
 
 bail:
+	if (local_resv)
+		ocfs2_resv_discard(resmap, resv);
+
 	mlog_exit(bitoff);
 	return bitoff;
 }
@@ -1087,6 +1126,9 @@ retry_enospc:
 	memset(OCFS2_LOCAL_ALLOC(alloc)->la_bitmap, 0,
 	       le16_to_cpu(la->la_size));
 
+	ocfs2_resmap_restart(&osb->osb_la_resmap, cluster_count,
+			     OCFS2_LOCAL_ALLOC(alloc)->la_bitmap);
+
 	mlog(0, "New window allocated:\n");
 	mlog(0, "window la_bm_off = %u\n",
 	     OCFS2_LOCAL_ALLOC(alloc)->la_bm_off);
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index adf5e2ebc2c..9552560df6c 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -47,6 +47,7 @@
 /* For struct ocfs2_blockcheck_stats */
 #include "blockcheck.h"
 
+#include "reservations.h"
 
 /* Caching of metadata buffers */
 
@@ -349,6 +350,10 @@ struct ocfs2_super
 
 	u64 la_last_gd;
 
+	struct ocfs2_reservation_map	osb_la_resmap;
+
+	unsigned int	osb_resv_level;
+
 	/* Next three fields are for local node slot recovery during
 	 * mount. */
 	int dirty;
diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c
new file mode 100644
index 00000000000..79642d60821
--- /dev/null
+++ b/fs/ocfs2/reservations.c
@@ -0,0 +1,849 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * reservations.c
+ *
+ * Allocation reservations implementation
+ *
+ * Some code borrowed from fs/ext3/balloc.c and is:
+ *
+ * Copyright (C) 1992, 1993, 1994, 1995
+ * Remy Card (card@masi.ibp.fr)
+ * Laboratoire MASI - Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * The rest is copyright (C) 2010 Novell.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/fs.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/highmem.h>
+#include <linux/bitops.h>
+#include <linux/list.h>
+
+#define MLOG_MASK_PREFIX ML_RESERVATIONS
+#include <cluster/masklog.h>
+
+#include "ocfs2.h"
+
+#ifdef CONFIG_OCFS2_DEBUG_FS
+#define OCFS2_CHECK_RESERVATIONS
+#endif
+
+DEFINE_SPINLOCK(resv_lock);
+
+#define	OCFS2_MIN_RESV_WINDOW_BITS	8
+#define	OCFS2_MAX_RESV_WINDOW_BITS	1024
+
+static unsigned int ocfs2_resv_window_bits(struct ocfs2_reservation_map *resmap,
+					   struct ocfs2_alloc_reservation *resv)
+{
+	struct ocfs2_super *osb = resmap->m_osb;
+	unsigned int bits;
+
+	/* 8, 16, 32, 64, 128, 256, 512, 1024 */
+	bits = 4 << osb->osb_resv_level;
+
+	return bits;
+}
+
+static inline unsigned int ocfs2_resv_end(struct ocfs2_alloc_reservation *resv)
+{
+	if (resv->r_len)
+		return resv->r_start + resv->r_len - 1;
+	return resv->r_start;
+}
+
+static inline int ocfs2_resv_empty(struct ocfs2_alloc_reservation *resv)
+{
+	return !!(resv->r_len == 0);
+}
+
+static inline int ocfs2_resmap_disabled(struct ocfs2_reservation_map *resmap)
+{
+	if (resmap->m_osb->osb_resv_level == 0)
+		return 1;
+	return 0;
+}
+
+static void ocfs2_dump_resv(struct ocfs2_reservation_map *resmap)
+{
+	struct ocfs2_super *osb = resmap->m_osb;
+	struct rb_node *node;
+	struct ocfs2_alloc_reservation *resv;
+	int i = 0;
+
+	mlog(ML_NOTICE, "Dumping resmap for device %s. Bitmap length: %u\n",
+	     osb->dev_str, resmap->m_bitmap_len);
+
+	node = rb_first(&resmap->m_reservations);
+	while (node) {
+		resv = rb_entry(node, struct ocfs2_alloc_reservation, r_node);
+
+		mlog(ML_NOTICE, "start: %u\tend: %u\tlen: %u\tlast_start: %u"
+		     "\tlast_len: %u\n", resv->r_start,
+		     ocfs2_resv_end(resv), resv->r_len, resv->r_last_start,
+		     resv->r_last_len);
+
+		node = rb_next(node);
+		i++;
+	}
+
+	mlog(ML_NOTICE, "%d reservations found. LRU follows\n", i);
+
+	i = 0;
+	list_for_each_entry(resv, &resmap->m_lru, r_lru) {
+		mlog(ML_NOTICE, "LRU(%d) start: %u\tend: %u\tlen: %u\t"
+		     "last_start: %u\tlast_len: %u\n", i, resv->r_start,
+		     ocfs2_resv_end(resv), resv->r_len, resv->r_last_start,
+		     resv->r_last_len);
+
+		i++;
+	}
+}
+
+#ifdef OCFS2_CHECK_RESERVATIONS
+static int ocfs2_validate_resmap_bits(struct ocfs2_reservation_map *resmap,
+				      int i,
+				      struct ocfs2_alloc_reservation *resv)
+{
+	char *disk_bitmap = resmap->m_disk_bitmap;
+	unsigned int start = resv->r_start;
+	unsigned int end = ocfs2_resv_end(resv);
+
+	while (start <= end) {
+		if (ocfs2_test_bit(start, disk_bitmap)) {
+			mlog(ML_ERROR,
+			     "reservation %d covers an allocated area "
+			     "starting at bit %u!\n", i, start);
+			return 1;
+		}
+
+		start++;
+	}
+	return 0;
+}
+
+static void ocfs2_check_resmap(struct ocfs2_reservation_map *resmap)
+{
+	unsigned int off = 0;
+	int i = 0;
+	struct rb_node *node;
+	struct ocfs2_alloc_reservation *resv;
+
+	node = rb_first(&resmap->m_reservations);
+	while (node) {
+		resv = rb_entry(node, struct ocfs2_alloc_reservation, r_node);
+
+		if (i > 0 && resv->r_start <= off) {
+			mlog(ML_ERROR, "reservation %d has bad start off!\n",
+			     i);
+			goto bad;
+		}
+
+		if (resv->r_len == 0) {
+			mlog(ML_ERROR, "reservation %d has no length!\n",
+			     i);
+			goto bad;
+		}
+
+		if (resv->r_start > ocfs2_resv_end(resv)) {
+			mlog(ML_ERROR, "reservation %d has invalid range!\n",
+			     i);
+			goto bad;
+		}
+
+		if (ocfs2_resv_end(resv) >= resmap->m_bitmap_len) {
+			mlog(ML_ERROR, "reservation %d extends past bitmap!\n",
+			     i);
+			goto bad;
+		}
+
+		if (ocfs2_validate_resmap_bits(resmap, i, resv))
+			goto bad;
+
+		off = ocfs2_resv_end(resv);
+		node = rb_next(node);
+
+		i++;
+	}
+	return;
+
+bad:
+	ocfs2_dump_resv(resmap);
+	BUG();
+}
+#else
+static inline void ocfs2_check_resmap(struct ocfs2_reservation_map *resmap)
+{
+
+}
+#endif
+
+void ocfs2_resv_init_once(struct ocfs2_alloc_reservation *resv)
+{
+	memset(resv, 0, sizeof(*resv));
+	INIT_LIST_HEAD(&resv->r_lru);
+}
+
+void ocfs2_resv_set_type(struct ocfs2_alloc_reservation *resv,
+			 unsigned int flags)
+{
+	BUG_ON(flags & ~OCFS2_RESV_TYPES);
+
+	resv->r_flags |= flags;
+}
+
+int ocfs2_resmap_init(struct ocfs2_super *osb,
+		      struct ocfs2_reservation_map *resmap)
+{
+	memset(resmap, 0, sizeof(*resmap));
+
+	resmap->m_osb = osb;
+	resmap->m_reservations = RB_ROOT;
+	/* m_bitmap_len is initialized to zero by the above memset. */
+	INIT_LIST_HEAD(&resmap->m_lru);
+
+	return 0;
+}
+
+static void ocfs2_resv_mark_lru(struct ocfs2_reservation_map *resmap,
+				struct ocfs2_alloc_reservation *resv)
+{
+	assert_spin_locked(&resv_lock);
+
+	if (!list_empty(&resv->r_lru))
+		list_del_init(&resv->r_lru);
+
+	list_add_tail(&resv->r_lru, &resmap->m_lru);
+}
+
+static void __ocfs2_resv_trunc(struct ocfs2_alloc_reservation *resv)
+{
+	resv->r_len = 0;
+	resv->r_start = 0;
+}
+
+static void ocfs2_resv_remove(struct ocfs2_reservation_map *resmap,
+			      struct ocfs2_alloc_reservation *resv)
+{
+	if (resv->r_flags & OCFS2_RESV_FLAG_INUSE) {
+		list_del_init(&resv->r_lru);
+		rb_erase(&resv->r_node, &resmap->m_reservations);
+		resv->r_flags &= ~OCFS2_RESV_FLAG_INUSE;
+	}
+}
+
+static void __ocfs2_resv_discard(struct ocfs2_reservation_map *resmap,
+				 struct ocfs2_alloc_reservation *resv)
+{
+	assert_spin_locked(&resv_lock);
+
+	__ocfs2_resv_trunc(resv);
+	/*
+	 * last_len and last_start no longer make sense if
+	 * we're changing the range of our allocations.
+	 */
+	resv->r_last_len = resv->r_last_start = 0;
+
+	ocfs2_resv_remove(resmap, resv);
+}
+
+/* does nothing if 'resv' is null */
+void ocfs2_resv_discard(struct ocfs2_reservation_map *resmap,
+			struct ocfs2_alloc_reservation *resv)
+{
+	if (resv) {
+		spin_lock(&resv_lock);
+		__ocfs2_resv_discard(resmap, resv);
+		spin_unlock(&resv_lock);
+	}
+}
+
+static void ocfs2_resmap_clear_all_resv(struct ocfs2_reservation_map *resmap)
+{
+	struct rb_node *node;
+	struct ocfs2_alloc_reservation *resv;
+
+	assert_spin_locked(&resv_lock);
+
+	while ((node = rb_last(&resmap->m_reservations)) != NULL) {
+		resv = rb_entry(node, struct ocfs2_alloc_reservation, r_node);
+
+		__ocfs2_resv_discard(resmap, resv);
+	}
+}
+
+void ocfs2_resmap_restart(struct ocfs2_reservation_map *resmap,
+			  unsigned int clen, char *disk_bitmap)
+{
+	if (ocfs2_resmap_disabled(resmap))
+		return;
+
+	spin_lock(&resv_lock);
+
+	ocfs2_resmap_clear_all_resv(resmap);
+	resmap->m_bitmap_len = clen;
+	resmap->m_disk_bitmap = disk_bitmap;
+
+	spin_unlock(&resv_lock);
+}
+
+void ocfs2_resmap_uninit(struct ocfs2_reservation_map *resmap)
+{
+	/* Does nothing for now. Keep this around for API symmetry */
+}
+
+static void ocfs2_resv_insert(struct ocfs2_reservation_map *resmap,
+			      struct ocfs2_alloc_reservation *new)
+{
+	struct rb_root *root = &resmap->m_reservations;
+	struct rb_node *parent = NULL;
+	struct rb_node **p = &root->rb_node;
+	struct ocfs2_alloc_reservation *tmp;
+
+	assert_spin_locked(&resv_lock);
+
+	mlog(0, "Insert reservation start: %u len: %u\n", new->r_start,
+	     new->r_len);
+
+	while (*p) {
+		parent = *p;
+
+		tmp = rb_entry(parent, struct ocfs2_alloc_reservation, r_node);
+
+		if (new->r_start < tmp->r_start) {
+			p = &(*p)->rb_left;
+
+			/*
+			 * This is a good place to check for
+			 * overlapping reservations.
+			 */
+			BUG_ON(ocfs2_resv_end(new) >= tmp->r_start);
+		} else if (new->r_start > ocfs2_resv_end(tmp)) {
+			p = &(*p)->rb_right;
+		} else {
+			/* This should never happen! */
+			mlog(ML_ERROR, "Duplicate reservation window!\n");
+			BUG();
+		}
+	}
+
+	rb_link_node(&new->r_node, parent, p);
+	rb_insert_color(&new->r_node, root);
+	new->r_flags |= OCFS2_RESV_FLAG_INUSE;
+
+	ocfs2_resv_mark_lru(resmap, new);
+
+	ocfs2_check_resmap(resmap);
+}
+
+/**
+ * ocfs2_find_resv_lhs() - find the window which contains goal
+ * @resmap: reservation map to search
+ * @goal: which bit to search for
+ *
+ * If a window containing that goal is not found, we return the window
+ * which comes before goal. Returns NULL on empty rbtree or no window
+ * before goal.
+ */
+static struct ocfs2_alloc_reservation *
+ocfs2_find_resv_lhs(struct ocfs2_reservation_map *resmap, unsigned int goal)
+{
+	struct ocfs2_alloc_reservation *resv = NULL;
+	struct ocfs2_alloc_reservation *prev_resv = NULL;
+	struct rb_node *node = resmap->m_reservations.rb_node;
+	struct rb_node *prev = NULL;
+
+	assert_spin_locked(&resv_lock);
+
+	if (!node)
+		return NULL;
+
+	node = rb_first(&resmap->m_reservations);
+	while (node) {
+		resv = rb_entry(node, struct ocfs2_alloc_reservation, r_node);
+
+		if (resv->r_start <= goal && ocfs2_resv_end(resv) >= goal)
+			break;
+
+		/* Check if we overshot the reservation just before goal? */
+		if (resv->r_start > goal) {
+			resv = prev_resv;
+			break;
+		}
+
+		prev_resv = resv;
+		prev = node;
+		node = rb_next(node);
+	}
+
+	return resv;
+}
+
+/*
+ * We are given a range within the bitmap, which corresponds to a gap
+ * inside the reservations tree (search_start, search_len). The range
+ * can be anything from the whole bitmap, to a gap between
+ * reservations.
+ *
+ * The start value of *rstart is insignificant.
+ *
+ * This function searches the bitmap range starting at search_start
+ * with length csearch_len for a set of contiguous free bits. We try
+ * to find up to 'wanted' bits, but can sometimes return less.
+ *
+ * Returns the length of allocation, 0 if no free bits are found.
+ *
+ * *cstart and *clen will also be populated with the result.
+ */
+static int ocfs2_resmap_find_free_bits(struct ocfs2_reservation_map *resmap,
+				       unsigned int wanted,
+				       unsigned int search_start,
+				       unsigned int search_len,
+				       unsigned int *rstart,
+				       unsigned int *rlen)
+{
+	void *bitmap = resmap->m_disk_bitmap;
+	unsigned int best_start, best_len = 0;
+	int offset, start, found;
+
+	mlog(0, "Find %u bits within range (%u, len %u) resmap len: %u\n",
+	     wanted, search_start, search_len, resmap->m_bitmap_len);
+
+	found = best_start = best_len = 0;
+
+	start = search_start;
+	while ((offset = ocfs2_find_next_zero_bit(bitmap, resmap->m_bitmap_len,
+						 start)) != -1) {
+		/* Search reached end of the region */
+		if (offset >= (search_start + search_len))
+			break;
+
+		if (offset == start) {
+			/* we found a zero */
+			found++;
+			/* move start to the next bit to test */
+			start++;
+		} else {
+			/* got a zero after some ones */
+			found = 1;
+			start = offset + 1;
+		}
+		if (found > best_len) {
+			best_len = found;
+			best_start = start - found;
+		}
+
+		if (found >= wanted)
+			break;
+	}
+
+	if (best_len == 0)
+		return 0;
+
+	if (best_len >= wanted)
+		best_len = wanted;
+
+	*rlen = best_len;
+	*rstart = best_start;
+
+	mlog(0, "Found start: %u len: %u\n", best_start, best_len);
+
+	return *rlen;
+}
+
+static void __ocfs2_resv_find_window(struct ocfs2_reservation_map *resmap,
+				     struct ocfs2_alloc_reservation *resv,
+				     unsigned int goal, unsigned int wanted)
+{
+	struct rb_root *root = &resmap->m_reservations;
+	unsigned int gap_start, gap_end, gap_len;
+	struct ocfs2_alloc_reservation *prev_resv, *next_resv;
+	struct rb_node *prev, *next;
+	unsigned int cstart, clen;
+	unsigned int best_start = 0, best_len = 0;
+
+	/*
+	 * Nasty cases to consider:
+	 *
+	 * - rbtree is empty
+	 * - our window should be first in all reservations
+	 * - our window should be last in all reservations
+	 * - need to make sure we don't go past end of bitmap
+	 */
+
+	mlog(0, "resv start: %u resv end: %u goal: %u wanted: %u\n",
+	     resv->r_start, ocfs2_resv_end(resv), goal, wanted);
+
+	assert_spin_locked(&resv_lock);
+
+	if (RB_EMPTY_ROOT(root)) {
+		/*
+		 * Easiest case - empty tree. We can just take
+		 * whatever window of free bits we want.
+		 */
+
+		mlog(0, "Empty root\n");
+
+		clen = ocfs2_resmap_find_free_bits(resmap, wanted, goal,
+						   resmap->m_bitmap_len - goal,
+						   &cstart, &clen);
+
+		/*
+		 * This should never happen - the local alloc window
+		 * will always have free bits when we're called.
+		 */
+		BUG_ON(goal == 0 && clen == 0);
+
+		if (clen == 0)
+			return;
+
+		resv->r_start = cstart;
+		resv->r_len = clen;
+
+		ocfs2_resv_insert(resmap, resv);
+		return;
+	}
+
+	prev_resv = ocfs2_find_resv_lhs(resmap, goal);
+
+	if (prev_resv == NULL) {
+		mlog(0, "Goal on LHS of leftmost window\n");
+
+		/*
+		 * A NULL here means that the search code couldn't
+		 * find a window that starts before goal.
+		 *
+		 * However, we can take the first window after goal,
+		 * which is also by definition, the leftmost window in
+		 * the entire tree. If we can find free bits in the
+		 * gap between goal and the LHS window, then the
+		 * reservation can safely be placed there.
+		 *
+		 * Otherwise we fall back to a linear search, checking
+		 * the gaps in between windows for a place to
+		 * allocate.
+		 */
+
+		next = rb_first(root);
+		next_resv = rb_entry(next, struct ocfs2_alloc_reservation,
+				     r_node);
+
+		/*
+		 * The search should never return such a window. (see
+		 * comment above
+		 */
+		if (next_resv->r_start <= goal) {
+			mlog(ML_ERROR, "goal: %u next_resv: start %u len %u\n",
+			     goal, next_resv->r_start, next_resv->r_len);
+			ocfs2_dump_resv(resmap);
+			BUG();
+		}
+
+		clen = ocfs2_resmap_find_free_bits(resmap, wanted, goal,
+						   next_resv->r_start - goal,
+						   &cstart, &clen);
+		if (clen) {
+			best_len = clen;
+			best_start = cstart;
+			if (best_len == wanted)
+				goto out_insert;
+		}
+
+		prev_resv = next_resv;
+		next_resv = NULL;
+	}
+
+	prev = &prev_resv->r_node;
+
+	/* Now we do a linear search for a window, starting at 'prev_rsv' */
+	while (1) {
+		next = rb_next(prev);
+		if (next) {
+			mlog(0, "One more resv found in linear search\n");
+			next_resv = rb_entry(next,
+					     struct ocfs2_alloc_reservation,
+					     r_node);
+
+			gap_start = ocfs2_resv_end(prev_resv) + 1;
+			gap_end = next_resv->r_start - 1;
+			gap_len = gap_end - gap_start + 1;
+		} else {
+			mlog(0, "No next node\n");
+			/*
+			 * We're at the rightmost edge of the
+			 * tree. See if a reservation between this
+			 * window and the end of the bitmap will work.
+			 */
+			gap_start = ocfs2_resv_end(prev_resv) + 1;
+			gap_len = resmap->m_bitmap_len - gap_start;
+			gap_end = resmap->m_bitmap_len - 1;
+		}
+
+		/*
+		 * No need to check this gap if we have already found
+		 * a larger region of free bits.
+		 */
+		if (gap_len <= best_len)
+			goto next_resv;
+
+		clen = ocfs2_resmap_find_free_bits(resmap, wanted, gap_start,
+						   gap_len, &cstart, &clen);
+		if (clen == wanted) {
+			best_len = clen;
+			best_start = cstart;
+			goto out_insert;
+		} else if (clen > best_len) {
+			best_len = clen;
+			best_start = cstart;
+		}
+
+next_resv:
+		if (!next)
+			break;
+
+		prev = next;
+		prev_resv = rb_entry(prev, struct ocfs2_alloc_reservation,
+				     r_node);
+	}
+
+out_insert:
+	if (best_len) {
+		resv->r_start = best_start;
+		resv->r_len = best_len;
+		ocfs2_resv_insert(resmap, resv);
+	}
+}
+
+static void ocfs2_cannibalize_resv(struct ocfs2_reservation_map *resmap,
+				   struct ocfs2_alloc_reservation *resv,
+				   unsigned int wanted)
+{
+	struct ocfs2_alloc_reservation *lru_resv;
+	int tmpwindow = !!(resv->r_flags & OCFS2_RESV_FLAG_TMP);
+	unsigned int min_bits;
+
+	if (!tmpwindow)
+		min_bits = ocfs2_resv_window_bits(resmap, resv) >> 1;
+	else
+		min_bits = wanted; /* We at know the temp window will use all
+				    * of these bits */
+
+	/*
+	 * Take the first reservation off the LRU as our 'target'. We
+	 * don't try to be smart about it. There might be a case for
+	 * searching based on size but I don't have enough data to be
+	 * sure. --Mark (3/16/2010)
+	 */
+	lru_resv = list_first_entry(&resmap->m_lru,
+				    struct ocfs2_alloc_reservation, r_lru);
+
+	mlog(0, "lru resv: start: %u len: %u end: %u\n", lru_resv->r_start,
+	     lru_resv->r_len, ocfs2_resv_end(lru_resv));
+
+	/*
+	 * Cannibalize (some or all) of the target reservation and
+	 * feed it to the current window.
+	 */
+	if (lru_resv->r_len <= min_bits) {
+		/*
+		 * Discard completely if size is less than or equal to a
+		 * reasonable threshold - 50% of window bits for non temporary
+		 * windows.
+		 */
+		resv->r_start = lru_resv->r_start;
+		resv->r_len = lru_resv->r_len;
+
+		__ocfs2_resv_discard(resmap, lru_resv);
+	} else {
+		unsigned int shrink;
+		if (tmpwindow)
+			shrink = min_bits;
+		else
+			shrink = lru_resv->r_len / 2;
+
+		lru_resv->r_len -= shrink;
+
+		resv->r_start = ocfs2_resv_end(lru_resv) + 1;
+		resv->r_len = shrink;
+	}
+
+	mlog(0, "Reservation now looks like: r_start: %u r_end: %u "
+	     "r_len: %u r_last_start: %u r_last_len: %u\n",
+	     resv->r_start, ocfs2_resv_end(resv), resv->r_len,
+	     resv->r_last_start, resv->r_last_len);
+
+	ocfs2_resv_insert(resmap, resv);
+}
+
+static void ocfs2_resv_find_window(struct ocfs2_reservation_map *resmap,
+				   struct ocfs2_alloc_reservation *resv,
+				   unsigned int wanted)
+{
+	unsigned int goal = 0;
+
+	BUG_ON(!ocfs2_resv_empty(resv));
+
+	/*
+	 * Begin by trying to get a window as close to the previous
+	 * one as possible. Using the most recent allocation as a
+	 * start goal makes sense.
+	 */
+	if (resv->r_last_len) {
+		goal = resv->r_last_start + resv->r_last_len;
+		if (goal >= resmap->m_bitmap_len)
+			goal = 0;
+	}
+
+	__ocfs2_resv_find_window(resmap, resv, goal, wanted);
+
+	/* Search from last alloc didn't work, try once more from beginning. */
+	if (ocfs2_resv_empty(resv) && goal != 0)
+		__ocfs2_resv_find_window(resmap, resv, 0, wanted);
+
+	if (ocfs2_resv_empty(resv)) {
+		/*
+		 * Still empty? Pull oldest one off the LRU, remove it from
+		 * tree, put this one in it's place.
+		 */
+		ocfs2_cannibalize_resv(resmap, resv, wanted);
+	}
+
+	BUG_ON(ocfs2_resv_empty(resv));
+}
+
+int ocfs2_resmap_resv_bits(struct ocfs2_reservation_map *resmap,
+			   struct ocfs2_alloc_reservation *resv,
+			   int *cstart, int *clen)
+{
+	unsigned int wanted = *clen;
+
+	if (resv == NULL || ocfs2_resmap_disabled(resmap))
+		return -ENOSPC;
+
+	spin_lock(&resv_lock);
+
+	/*
+	 * We don't want to over-allocate for temporary
+	 * windows. Otherwise, we run the risk of fragmenting the
+	 * allocation space.
+	 */
+	wanted = ocfs2_resv_window_bits(resmap, resv);
+	if ((resv->r_flags & OCFS2_RESV_FLAG_TMP) || wanted < *clen)
+		wanted = *clen;
+
+	if (ocfs2_resv_empty(resv)) {
+		mlog(0, "empty reservation, find new window\n");
+
+		/*
+		 * Try to get a window here. If it works, we must fall
+		 * through and test the bitmap . This avoids some
+		 * ping-ponging of windows due to non-reserved space
+		 * being allocation before we initialize a window for
+		 * that inode.
+		 */
+		ocfs2_resv_find_window(resmap, resv, wanted);
+	}
+
+	BUG_ON(ocfs2_resv_empty(resv));
+
+	*cstart = resv->r_start;
+	*clen = resv->r_len;
+
+	spin_unlock(&resv_lock);
+	return 0;
+}
+
+static void
+	ocfs2_adjust_resv_from_alloc(struct ocfs2_reservation_map *resmap,
+				     struct ocfs2_alloc_reservation *resv,
+				     unsigned int start, unsigned int end)
+{
+	unsigned int lhs = 0, rhs = 0;
+
+	BUG_ON(start < resv->r_start);
+
+	/*
+	 * Completely used? We can remove it then.
+	 */
+	if (ocfs2_resv_end(resv) <= end && resv->r_start >= start) {
+		__ocfs2_resv_discard(resmap, resv);
+		return;
+	}
+
+	if (end < ocfs2_resv_end(resv))
+		rhs = end - ocfs2_resv_end(resv);
+
+	if (start > resv->r_start)
+		lhs = start - resv->r_start;
+
+	/*
+	 * This should have been trapped above. At the very least, rhs
+	 * should be non zero.
+	 */
+	BUG_ON(rhs == 0 && lhs == 0);
+
+	if (rhs >= lhs) {
+		unsigned int old_end = ocfs2_resv_end(resv);
+
+		resv->r_start = end + 1;
+		resv->r_len = old_end - resv->r_start + 1;
+	} else {
+		resv->r_len = start - resv->r_start;
+	}
+}
+
+void ocfs2_resmap_claimed_bits(struct ocfs2_reservation_map *resmap,
+			       struct ocfs2_alloc_reservation *resv,
+			       u32 cstart, u32 clen)
+{
+	unsigned int cend = cstart + clen - 1;
+
+	if (resmap == NULL || ocfs2_resmap_disabled(resmap))
+		return;
+
+	if (resv == NULL)
+		return;
+
+	spin_lock(&resv_lock);
+
+	mlog(0, "claim bits: cstart: %u cend: %u clen: %u r_start: %u "
+	     "r_end: %u r_len: %u, r_last_start: %u r_last_len: %u\n",
+	     cstart, cend, clen, resv->r_start, ocfs2_resv_end(resv),
+	     resv->r_len, resv->r_last_start, resv->r_last_len);
+
+	BUG_ON(cstart < resv->r_start);
+	BUG_ON(cstart > ocfs2_resv_end(resv));
+	BUG_ON(cend > ocfs2_resv_end(resv));
+
+	ocfs2_adjust_resv_from_alloc(resmap, resv, cstart, cend);
+	resv->r_last_start = cstart;
+	resv->r_last_len = clen;
+
+	/*
+	 * May have been discarded above from
+	 * ocfs2_adjust_resv_from_alloc().
+	 */
+	if (!ocfs2_resv_empty(resv))
+		ocfs2_resv_mark_lru(resmap, resv);
+
+	mlog(0, "Reservation now looks like: r_start: %u r_end: %u "
+	     "r_len: %u r_last_start: %u r_last_len: %u\n",
+	     resv->r_start, ocfs2_resv_end(resv), resv->r_len,
+	     resv->r_last_start, resv->r_last_len);
+
+	ocfs2_check_resmap(resmap);
+
+	spin_unlock(&resv_lock);
+}
diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h
new file mode 100644
index 00000000000..8341cd0ef85
--- /dev/null
+++ b/fs/ocfs2/reservations.h
@@ -0,0 +1,154 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * reservations.h
+ *
+ * Allocation reservations function prototypes and structures.
+ *
+ * Copyright (C) 2010 Novell.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef	OCFS2_RESERVATIONS_H
+#define	OCFS2_RESERVATIONS_H
+
+#include <linux/rbtree.h>
+
+#define OCFS2_DEFAULT_RESV_LEVEL	4
+#define OCFS2_MAX_RESV_LEVEL	9
+#define OCFS2_MIN_RESV_LEVEL	0
+
+struct ocfs2_alloc_reservation {
+	struct rb_node	r_node;
+
+	unsigned int	r_start;	/* Begining of current window */
+	unsigned int	r_len;		/* Length of the window */
+
+	unsigned int	r_last_len;	/* Length of most recent alloc */
+	unsigned int	r_last_start;	/* Start of most recent alloc */
+	struct list_head	r_lru;	/* LRU list head */
+
+	unsigned int	r_flags;
+};
+
+#define	OCFS2_RESV_FLAG_INUSE	0x01	/* Set when r_node is part of a btree */
+#define	OCFS2_RESV_FLAG_TMP	0x02	/* Temporary reservation, will be
+					 * destroyed immedately after use */
+
+struct ocfs2_reservation_map {
+	struct rb_root		m_reservations;
+	char			*m_disk_bitmap;
+
+	struct ocfs2_super	*m_osb;
+
+	/* The following are not initialized to meaningful values until a disk
+	 * bitmap is provided. */
+	u32			m_bitmap_len;	/* Number of valid
+						 * bits available */
+
+	struct list_head	m_lru;		/* LRU of reservations
+						 * structures. */
+
+};
+
+void ocfs2_resv_init_once(struct ocfs2_alloc_reservation *resv);
+
+#define OCFS2_RESV_TYPES	(OCFS2_RESV_FLAG_TMP)
+void ocfs2_resv_set_type(struct ocfs2_alloc_reservation *resv,
+			 unsigned int flags);
+
+/**
+ * ocfs2_resv_discard() - truncate a reservation
+ * @resmap:
+ * @resv: the reservation to truncate.
+ *
+ * After this function is called, the reservation will be empty, and
+ * unlinked from the rbtree.
+ */
+void ocfs2_resv_discard(struct ocfs2_reservation_map *resmap,
+			struct ocfs2_alloc_reservation *resv);
+
+
+/**
+ * ocfs2_resmap_init() - Initialize fields of a reservations bitmap
+ * @resmap: struct ocfs2_reservation_map to initialize
+ * @obj: unused for now
+ * @ops: unused for now
+ * @max_bitmap_bytes: Maximum size of the bitmap (typically blocksize)
+ *
+ * Only possible return value other than '0' is -ENOMEM for failure to
+ * allocation mirror bitmap.
+ */
+int ocfs2_resmap_init(struct ocfs2_super *osb,
+		      struct ocfs2_reservation_map *resmap);
+
+/**
+ * ocfs2_resmap_restart() - "restart" a reservation bitmap
+ * @resmap: reservations bitmap
+ * @clen: Number of valid bits in the bitmap
+ * @disk_bitmap: the disk bitmap this resmap should refer to.
+ *
+ * Re-initialize the parameters of a reservation bitmap. This is
+ * useful for local alloc window slides.
+ *
+ * This function will call ocfs2_trunc_resv against all existing
+ * reservations. A future version will recalculate existing
+ * reservations based on the new bitmap.
+ */
+void ocfs2_resmap_restart(struct ocfs2_reservation_map *resmap,
+			  unsigned int clen, char *disk_bitmap);
+
+/**
+ * ocfs2_resmap_uninit() - uninitialize a reservation bitmap structure
+ * @resmap: the struct ocfs2_reservation_map to uninitialize
+ */
+void ocfs2_resmap_uninit(struct ocfs2_reservation_map *resmap);
+
+/**
+ * ocfs2_resmap_resv_bits() - Return still-valid reservation bits
+ * @resmap: reservations bitmap
+ * @resv: reservation to base search from
+ * @cstart: start of proposed allocation
+ * @clen: length (in clusters) of proposed allocation
+ *
+ * Using the reservation data from resv, this function will compare
+ * resmap and resmap->m_disk_bitmap to determine what part (if any) of
+ * the reservation window is still clear to use. If resv is empty,
+ * this function will try to allocate a window for it.
+ *
+ * On success, zero is returned and the valid allocation area is set in cstart
+ * and clen.
+ *
+ * Returns -ENOSPC if reservations are disabled.
+ */
+int ocfs2_resmap_resv_bits(struct ocfs2_reservation_map *resmap,
+			   struct ocfs2_alloc_reservation *resv,
+			   int *cstart, int *clen);
+
+/**
+ * ocfs2_resmap_claimed_bits() - Tell the reservation code that bits were used.
+ * @resmap: reservations bitmap
+ * @resv: optional reservation to recalulate based on new bitmap
+ * @cstart: start of allocation in clusters
+ * @clen: end of allocation in clusters.
+ *
+ * Tell the reservation code that bits were used to fulfill allocation in
+ * resmap. The bits don't have to have been part of any existing
+ * reservation. But we must always call this function when bits are claimed.
+ * Internally, the reservations code will use this information to mark the
+ * reservations bitmap. If resv is passed, it's next allocation window will be
+ * calculated.
+ */
+void ocfs2_resmap_claimed_bits(struct ocfs2_reservation_map *resmap,
+			       struct ocfs2_alloc_reservation *resv,
+			       u32 cstart, u32 clen);
+
+#endif	/* OCFS2_RESERVATIONS_H */
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index e0f46df357e..da2f29a55ec 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -54,6 +54,8 @@ struct ocfs2_alloc_context {
 	u64    ac_last_group;
 	u64    ac_max_block;  /* Highest block number to allocate. 0 is
 				 is the same as ~0 - unlimited */
+
+	struct ocfs2_alloc_reservation	*ac_resv;
 };
 
 void ocfs2_init_steal_slots(struct ocfs2_super *osb);
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index dee03197a49..cfe672e72b2 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -95,6 +95,7 @@ struct mount_options
 	unsigned int	atime_quantum;
 	signed short	slot;
 	unsigned int	localalloc_opt;
+	unsigned int	resv_level;
 	char		cluster_stack[OCFS2_STACK_LABEL_LEN + 1];
 };
 
@@ -176,6 +177,7 @@ enum {
 	Opt_noacl,
 	Opt_usrquota,
 	Opt_grpquota,
+	Opt_resv_level,
 	Opt_err,
 };
 
@@ -202,6 +204,7 @@ static const match_table_t tokens = {
 	{Opt_noacl, "noacl"},
 	{Opt_usrquota, "usrquota"},
 	{Opt_grpquota, "grpquota"},
+	{Opt_resv_level, "resv_level=%u"},
 	{Opt_err, NULL}
 };
 
@@ -1030,6 +1033,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
 	osb->osb_commit_interval = parsed_options.commit_interval;
 	osb->local_alloc_default_bits = ocfs2_megabytes_to_clusters(sb, parsed_options.localalloc_opt);
 	osb->local_alloc_bits = osb->local_alloc_default_bits;
+	osb->osb_resv_level = parsed_options.resv_level;
 
 	status = ocfs2_verify_userspace_stack(osb, &parsed_options);
 	if (status)
@@ -1290,6 +1294,7 @@ static int ocfs2_parse_options(struct super_block *sb,
 	mopt->slot = OCFS2_INVALID_SLOT;
 	mopt->localalloc_opt = OCFS2_DEFAULT_LOCAL_ALLOC_SIZE;
 	mopt->cluster_stack[0] = '\0';
+	mopt->resv_level = OCFS2_DEFAULT_RESV_LEVEL;
 
 	if (!options) {
 		status = 1;
@@ -1433,6 +1438,17 @@ static int ocfs2_parse_options(struct super_block *sb,
 			mopt->mount_opt |= OCFS2_MOUNT_NO_POSIX_ACL;
 			mopt->mount_opt &= ~OCFS2_MOUNT_POSIX_ACL;
 			break;
+		case Opt_resv_level:
+			if (is_remount)
+				break;
+			if (match_int(&args[0], &option)) {
+				status = 0;
+				goto bail;
+			}
+			if (option >= OCFS2_MIN_RESV_LEVEL &&
+			    option < OCFS2_MAX_RESV_LEVEL)
+				mopt->resv_level = option;
+			break;
 		default:
 			mlog(ML_ERROR,
 			     "Unrecognized mount option \"%s\" "
@@ -1514,6 +1530,9 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
 	else
 		seq_printf(s, ",noacl");
 
+	if (osb->osb_resv_level != OCFS2_DEFAULT_RESV_LEVEL)
+		seq_printf(s, ",resv_level=%d", osb->osb_resv_level);
+
 	return 0;
 }
 
@@ -2042,6 +2061,12 @@ static int ocfs2_initialize_super(struct super_block *sb,
 
 	init_waitqueue_head(&osb->osb_mount_event);
 
+	status = ocfs2_resmap_init(osb, &osb->osb_la_resmap);
+	if (status) {
+		mlog_errno(status);
+		goto bail;
+	}
+
 	osb->vol_label = kmalloc(OCFS2_MAX_VOL_LABEL_LEN, GFP_KERNEL);
 	if (!osb->vol_label) {
 		mlog(ML_ERROR, "unable to alloc vol label\n");

From 4fe370afaae49c57619bb0bedb75de7e7c168308 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Mon, 7 Dec 2009 13:15:40 -0800
Subject: [PATCH 0691/3638] ocfs2: use allocation reservations during file
 write

Add a per-inode reservations structure and pass it through to the
reservations code.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
 fs/ocfs2/alloc.c | 2 ++
 fs/ocfs2/aops.c  | 3 +++
 fs/ocfs2/file.c  | 3 +++
 fs/ocfs2/inode.c | 4 ++++
 fs/ocfs2/inode.h | 2 ++
 fs/ocfs2/super.c | 2 ++
 6 files changed, 16 insertions(+)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 89e994dad02..a74ea700ffd 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -7211,6 +7211,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
 			goto out_commit;
 		did_quota = 1;
 
+		data_ac->ac_resv = &OCFS2_I(inode)->ip_la_data_resv;
+
 		ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off,
 					   &num);
 		if (ret) {
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 21441ddb550..3623ca20cc1 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1735,6 +1735,9 @@ int ocfs2_write_begin_nolock(struct address_space *mapping,
 			goto out;
 		}
 
+		if (data_ac)
+			data_ac->ac_resv = &OCFS2_I(inode)->ip_la_data_resv;
+
 		credits = ocfs2_calc_extend_credits(inode->i_sb,
 						    &di->id2.i_list,
 						    clusters_to_alloc);
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index e6e8281628a..19d16f2ef81 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -483,6 +483,9 @@ static int ocfs2_truncate_file(struct inode *inode,
 
 	down_write(&OCFS2_I(inode)->ip_alloc_sem);
 
+	ocfs2_resv_discard(&osb->osb_la_resmap,
+			   &OCFS2_I(inode)->ip_la_data_resv);
+
 	/*
 	 * The inode lock forced other nodes to sync and drop their
 	 * pages, which (correctly) happens even if we have a truncate
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 7cc0b4665d5..62b4743fb6f 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -1096,6 +1096,10 @@ void ocfs2_clear_inode(struct inode *inode)
 	ocfs2_mark_lockres_freeing(&oi->ip_inode_lockres);
 	ocfs2_mark_lockres_freeing(&oi->ip_open_lockres);
 
+	ocfs2_resv_discard(&OCFS2_SB(inode->i_sb)->osb_la_resmap,
+			   &oi->ip_la_data_resv);
+	ocfs2_resv_init_once(&oi->ip_la_data_resv);
+
 	/* We very well may get a clear_inode before all an inodes
 	 * metadata has hit disk. Of course, we can't drop any cluster
 	 * locks until the journal has finished with it. The only
diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h
index ba4fe07b293..e45edca0259 100644
--- a/fs/ocfs2/inode.h
+++ b/fs/ocfs2/inode.h
@@ -70,6 +70,8 @@ struct ocfs2_inode_info
 	/* Only valid if the inode is the dir. */
 	u32				ip_last_used_slot;
 	u64				ip_last_used_group;
+
+	struct ocfs2_alloc_reservation	ip_la_data_resv;
 };
 
 /*
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index cfe672e72b2..2a9f4c455f2 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1707,6 +1707,8 @@ static void ocfs2_inode_init_once(void *data)
 	oi->ip_blkno = 0ULL;
 	oi->ip_clusters = 0;
 
+	ocfs2_resv_init_once(&oi->ip_la_data_resv);
+
 	ocfs2_lock_res_init_once(&oi->ip_rw_lockres);
 	ocfs2_lock_res_init_once(&oi->ip_inode_lockres);
 	ocfs2_lock_res_init_once(&oi->ip_open_lockres);

From e3b4a97dbe9741a3227c3ed857a0632532fcd386 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Mon, 7 Dec 2009 13:16:07 -0800
Subject: [PATCH 0692/3638] ocfs2: use allocation reservations for directory
 data

Use the reservations system for unindexed dir tree allocations. We don't
bother with the indexed tree as reads from it are mostly random anyway.
Directory reservations are marked seperately, to allow the reservations code
a chance to optimize their window sizes. This patch allocates only 8 bits
for directory windows as they generally are not expected to grow as quickly
as file data. Future improvements to dir window sizing can trivially be
made.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
 fs/ocfs2/dir.c          | 3 +++
 fs/ocfs2/inode.c        | 4 ++++
 fs/ocfs2/reservations.c | 8 ++++++--
 fs/ocfs2/reservations.h | 4 +++-
 fs/ocfs2/suballoc.c     | 1 +
 5 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 6d832487c18..8563f97c58a 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2977,6 +2977,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 	 * if we only get one now, that's enough to continue. The rest
 	 * will be claimed after the conversion to extents.
 	 */
+	data_ac->ac_resv = &oi->ip_la_data_resv;
 	ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len);
 	if (ret) {
 		mlog_errno(ret);
@@ -3347,6 +3348,8 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
 			goto bail;
 		}
 
+		data_ac->ac_resv = &OCFS2_I(dir)->ip_la_data_resv;
+
 		credits = ocfs2_calc_extend_credits(sb, el, 1);
 	} else {
 		spin_unlock(&OCFS2_I(dir)->ip_lock);
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 62b4743fb6f..9ee13f70da5 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -377,6 +377,10 @@ void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
 
 	OCFS2_I(inode)->ip_last_used_slot = 0;
 	OCFS2_I(inode)->ip_last_used_group = 0;
+
+	if (S_ISDIR(inode->i_mode))
+		ocfs2_resv_set_type(&OCFS2_I(inode)->ip_la_data_resv,
+				    OCFS2_RESV_FLAG_DIR);
 	mlog_exit_void();
 }
 
diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c
index 79642d60821..7fc6cfee95f 100644
--- a/fs/ocfs2/reservations.c
+++ b/fs/ocfs2/reservations.c
@@ -44,6 +44,7 @@ DEFINE_SPINLOCK(resv_lock);
 
 #define	OCFS2_MIN_RESV_WINDOW_BITS	8
 #define	OCFS2_MAX_RESV_WINDOW_BITS	1024
+#define	OCFS2_RESV_DIR_WINDOW_BITS	OCFS2_MIN_RESV_WINDOW_BITS
 
 static unsigned int ocfs2_resv_window_bits(struct ocfs2_reservation_map *resmap,
 					   struct ocfs2_alloc_reservation *resv)
@@ -51,8 +52,11 @@ static unsigned int ocfs2_resv_window_bits(struct ocfs2_reservation_map *resmap,
 	struct ocfs2_super *osb = resmap->m_osb;
 	unsigned int bits;
 
-	/* 8, 16, 32, 64, 128, 256, 512, 1024 */
-	bits = 4 << osb->osb_resv_level;
+	if (!(resv->r_flags & OCFS2_RESV_FLAG_DIR)) {
+		/* 8, 16, 32, 64, 128, 256, 512, 1024 */
+		bits = 4 << osb->osb_resv_level;
+	} else
+		bits = OCFS2_RESV_DIR_WINDOW_BITS;
 
 	return bits;
 }
diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h
index 8341cd0ef85..34bb308375c 100644
--- a/fs/ocfs2/reservations.h
+++ b/fs/ocfs2/reservations.h
@@ -42,6 +42,8 @@ struct ocfs2_alloc_reservation {
 #define	OCFS2_RESV_FLAG_INUSE	0x01	/* Set when r_node is part of a btree */
 #define	OCFS2_RESV_FLAG_TMP	0x02	/* Temporary reservation, will be
 					 * destroyed immedately after use */
+#define	OCFS2_RESV_FLAG_DIR	0x04	/* Reservation is for an unindexed
+					 * directory btree */
 
 struct ocfs2_reservation_map {
 	struct rb_root		m_reservations;
@@ -61,7 +63,7 @@ struct ocfs2_reservation_map {
 
 void ocfs2_resv_init_once(struct ocfs2_alloc_reservation *resv);
 
-#define OCFS2_RESV_TYPES	(OCFS2_RESV_FLAG_TMP)
+#define OCFS2_RESV_TYPES	(OCFS2_RESV_FLAG_TMP|OCFS2_RESV_FLAG_DIR)
 void ocfs2_resv_set_type(struct ocfs2_alloc_reservation *resv,
 			 unsigned int flags);
 
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index d4babfba4f0..f20bcbf64ce 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -130,6 +130,7 @@ void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac)
 	}
 	brelse(ac->ac_bh);
 	ac->ac_bh = NULL;
+	ac->ac_resv = NULL;
 }
 
 void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac)

From 33d5d380d667ad264675cfdb297dfc3c5b6542cc Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Wed, 24 Feb 2010 13:34:09 -0800
Subject: [PATCH 0693/3638] ocfs2: allocate btree internal block groups from
 the global bitmap

Otherwise, the need for a very large contiguous allocation tends to
wreak havoc on many inode allocation reservations on the local alloc, thus
ruining any chances for contiguousness.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
 fs/ocfs2/suballoc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index f20bcbf64ce..df95707c8b1 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -755,7 +755,7 @@ int ocfs2_reserve_new_metadata_blocks(struct ocfs2_super *osb,
 	status = ocfs2_reserve_suballoc_bits(osb, (*ac),
 					     EXTENT_ALLOC_SYSTEM_INODE,
 					     (u32)osb->slot_num, NULL,
-					     ALLOC_NEW_GROUP);
+					     ALLOC_GROUPS_FROM_GLOBAL|ALLOC_NEW_GROUP);
 
 
 	if (status >= 0) {
@@ -1871,6 +1871,8 @@ int __ocfs2_claim_clusters(struct ocfs2_super *osb,
 	       && ac->ac_which != OCFS2_AC_USE_MAIN);
 
 	if (ac->ac_which == OCFS2_AC_USE_LOCAL) {
+		WARN_ON(min_clusters > 1);
+
 		status = ocfs2_claim_local_alloc_bits(osb,
 						      handle,
 						      ac,

From a57c8fd2ad238258cc983049008aea5f985804b2 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Tue, 16 Mar 2010 21:01:00 -0700
Subject: [PATCH 0694/3638] ocfs2: remove ocfs2_local_alloc_in_range()

Inodes are always allocated from the global bitmap now so we don't need this
any more. Also, the existing implementation bounces reservations around
needlessly.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
 fs/ocfs2/localalloc.c | 51 -------------------------------------------
 fs/ocfs2/suballoc.c   |  6 +----
 2 files changed, 1 insertion(+), 56 deletions(-)

diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 7fe8149a000..880e4bc827b 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -479,46 +479,6 @@ out:
 	return status;
 }
 
-/* Check to see if the local alloc window is within ac->ac_max_block */
-static int ocfs2_local_alloc_in_range(struct inode *inode,
-				      struct ocfs2_alloc_context *ac,
-				      u32 bits_wanted)
-{
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	struct ocfs2_dinode *alloc;
-	struct ocfs2_local_alloc *la;
-	int start;
-	u64 block_off;
-
-	if (!ac->ac_max_block)
-		return 1;
-
-	alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data;
-	la = OCFS2_LOCAL_ALLOC(alloc);
-
-	start = ocfs2_local_alloc_find_clear_bits(osb, alloc, &bits_wanted, NULL);
-	if (start == -1) {
-		mlog_errno(-ENOSPC);
-		return 0;
-	}
-
-	/*
-	 * Converting (bm_off + start + bits_wanted) to blocks gives us
-	 * the blkno just past our actual allocation.  This is perfect
-	 * to compare with ac_max_block.
-	 */
-	block_off = ocfs2_clusters_to_blocks(inode->i_sb,
-					     le32_to_cpu(la->la_bm_off) +
-					     start + bits_wanted);
-	mlog(0, "Checking %llu against %llu\n",
-	     (unsigned long long)block_off,
-	     (unsigned long long)ac->ac_max_block);
-	if (block_off > ac->ac_max_block)
-		return 0;
-
-	return 1;
-}
-
 /*
  * make sure we've got at least bits_wanted contiguous bits in the
  * local alloc. You lose them when you drop i_mutex.
@@ -611,17 +571,6 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
 		mlog(0, "Calling in_range for max block %llu\n",
 		     (unsigned long long)ac->ac_max_block);
 
-	if (!ocfs2_local_alloc_in_range(local_alloc_inode, ac,
-					bits_wanted)) {
-		/*
-		 * The window is outside ac->ac_max_block.
-		 * This errno tells the caller to keep localalloc enabled
-		 * but to get the allocation from the main bitmap.
-		 */
-		status = -EFBIG;
-		goto bail;
-	}
-
 	ac->ac_inode = local_alloc_inode;
 	/* We should never use localalloc from another slot */
 	ac->ac_alloc_slot = osb->slot_num;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index df95707c8b1..667d622b365 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -941,11 +941,7 @@ static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb,
 		status = ocfs2_reserve_local_alloc_bits(osb,
 							bits_wanted,
 							*ac);
-		if (status == -EFBIG) {
-			/* The local alloc window is outside ac_max_block.
-			 * use the main bitmap. */
-			status = -ENOSPC;
-		} else if ((status < 0) && (status != -ENOSPC)) {
+		if ((status < 0) && (status != -ENOSPC)) {
 			mlog_errno(status);
 			goto bail;
 		}

From 73c8a80003d13be54e2309865030404441075182 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Mon, 5 Apr 2010 18:17:13 -0700
Subject: [PATCH 0695/3638] ocfs2: clean up localalloc mount option size
 parsing

This patch pulls the local alloc sizing code into localalloc.c and provides
a callout to it from ocfs2_fill_super(). Behavior is essentially unchanged
except that I correctly calculate the maximum local alloc size. The old code
in ocfs2_parse_options() calculated the max size as:

ocfs2_local_alloc_size(sb) * 8

which is correct, in bits. Unfortunately though the option passed in is in
megabytes. Ultimately, this bug made no real difference - the shrink code
would catch a too-large size and bring it down to something reasonable.
Still, it's less than efficient as-is.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/localalloc.c | 28 ++++++++++++++++++++++++++++
 fs/ocfs2/localalloc.h |  2 ++
 fs/ocfs2/ocfs2.h      |  6 ++++++
 fs/ocfs2/super.c      | 10 +++++-----
 4 files changed, 41 insertions(+), 5 deletions(-)

diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 880e4bc827b..e39a3e7146c 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -75,6 +75,34 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb,
 static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
 					  struct inode *local_alloc_inode);
 
+void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb)
+{
+	struct super_block *sb = osb->sb;
+	unsigned int la_default_mb = OCFS2_DEFAULT_LOCAL_ALLOC_SIZE;
+	unsigned int la_max_mb;
+
+	la_max_mb = ocfs2_clusters_to_megabytes(sb,
+						ocfs2_local_alloc_size(sb) * 8);
+
+	mlog(0, "requested: %dM, max: %uM, default: %uM\n",
+	     requested_mb, la_max_mb, la_default_mb);
+
+	if (requested_mb == -1) {
+		/* No user request - use defaults */
+		osb->local_alloc_default_bits =
+			ocfs2_megabytes_to_clusters(sb, la_default_mb);
+	} else if (requested_mb > la_max_mb) {
+		/* Request is too big, we give the maximum available */
+		osb->local_alloc_default_bits =
+			ocfs2_megabytes_to_clusters(sb, la_max_mb);
+	} else {
+		osb->local_alloc_default_bits =
+			ocfs2_megabytes_to_clusters(sb, requested_mb);
+	}
+
+	osb->local_alloc_bits = osb->local_alloc_default_bits;
+}
+
 static inline int ocfs2_la_state_enabled(struct ocfs2_super *osb)
 {
 	return (osb->local_alloc_state == OCFS2_LA_THROTTLED ||
diff --git a/fs/ocfs2/localalloc.h b/fs/ocfs2/localalloc.h
index ac5ea9f8665..04195c67f7c 100644
--- a/fs/ocfs2/localalloc.h
+++ b/fs/ocfs2/localalloc.h
@@ -30,6 +30,8 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb);
 
 void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb);
 
+void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb);
+
 int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb,
 				     int node_num,
 				     struct ocfs2_dinode **alloc_copy);
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 9552560df6c..e98c954cf96 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -768,6 +768,12 @@ static inline unsigned int ocfs2_megabytes_to_clusters(struct super_block *sb,
 	return megs << (20 - OCFS2_SB(sb)->s_clustersize_bits);
 }
 
+static inline unsigned int ocfs2_clusters_to_megabytes(struct super_block *sb,
+						       unsigned int clusters)
+{
+	return clusters >> (20 - OCFS2_SB(sb)->s_clustersize_bits);
+}
+
 static inline void _ocfs2_set_bit(unsigned int bit, unsigned long *bitmap)
 {
 	ext2_set_bit(bit, bitmap);
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 2a9f4c455f2..fc839996d05 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -94,7 +94,7 @@ struct mount_options
 	unsigned long	mount_opt;
 	unsigned int	atime_quantum;
 	signed short	slot;
-	unsigned int	localalloc_opt;
+	int		localalloc_opt;
 	unsigned int	resv_level;
 	char		cluster_stack[OCFS2_STACK_LABEL_LEN + 1];
 };
@@ -1031,8 +1031,8 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
 	osb->s_atime_quantum = parsed_options.atime_quantum;
 	osb->preferred_slot = parsed_options.slot;
 	osb->osb_commit_interval = parsed_options.commit_interval;
-	osb->local_alloc_default_bits = ocfs2_megabytes_to_clusters(sb, parsed_options.localalloc_opt);
-	osb->local_alloc_bits = osb->local_alloc_default_bits;
+
+	ocfs2_la_set_sizes(osb, parsed_options.localalloc_opt);
 	osb->osb_resv_level = parsed_options.resv_level;
 
 	status = ocfs2_verify_userspace_stack(osb, &parsed_options);
@@ -1292,7 +1292,7 @@ static int ocfs2_parse_options(struct super_block *sb,
 	mopt->mount_opt = 0;
 	mopt->atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
 	mopt->slot = OCFS2_INVALID_SLOT;
-	mopt->localalloc_opt = OCFS2_DEFAULT_LOCAL_ALLOC_SIZE;
+	mopt->localalloc_opt = -1;
 	mopt->cluster_stack[0] = '\0';
 	mopt->resv_level = OCFS2_DEFAULT_RESV_LEVEL;
 
@@ -1385,7 +1385,7 @@ static int ocfs2_parse_options(struct super_block *sb,
 				status = 0;
 				goto bail;
 			}
-			if (option >= 0 && (option <= ocfs2_local_alloc_size(sb) * 8))
+			if (option >= 0)
 				mopt->localalloc_opt = option;
 			break;
 		case Opt_localflocks:

From 6b82021b9e91cd689fdffadbcdb9a42597bbe764 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Mon, 5 Apr 2010 18:17:14 -0700
Subject: [PATCH 0696/3638] ocfs2: increase the default size of local alloc
 windows

I have observed that the current size of 8M gives us pretty poor
fragmentation on multi-threaded workloads which do lots of writes.

Generally, I can increase the size of local alloc windows and observe a
marked decrease in fragmentation, even up and beyond window sizes of 512
megabytes. This makes sense for a couple reasons - larger local alloc means
more room for reservation windows. On multi-node workloads the larger local
alloc helps as well because we don't have to do window slides as often.

Also, I removed the OCFS2_DEFAULT_LOCAL_ALLOC_SIZE constant as it is no
longer used and the comment above it was out of date.

To test fragmentation, I used a workload which launched 4 threads that did
4k writes into a series of about 140 alternating files.

With resv_level=2, and a 4k/4k file system I observed the following average
fragmentation for various localalloc= parameters:

localalloc=	avg. fragmentation
	8		48
	32		16
	64		10
	120		7

On larger cluster sizes, the difference is more dramatic.

The new default size top out at 256M, which we'll only get for cluster
sizes of 32K and above.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/localalloc.c | 114 +++++++++++++++++++++++++++++++++++++++++-
 fs/ocfs2/localalloc.h |   1 +
 fs/ocfs2/ocfs2.h      |   3 ++
 fs/ocfs2/ocfs2_fs.h   |   8 ---
 fs/ocfs2/super.c      |   3 +-
 5 files changed, 118 insertions(+), 11 deletions(-)

diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index e39a3e7146c..00022aac2e8 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -75,10 +75,120 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb,
 static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
 					  struct inode *local_alloc_inode);
 
+/*
+ * ocfs2_la_default_mb() - determine a default size, in megabytes of
+ * the local alloc.
+ *
+ * Generally, we'd like to pick as large a local alloc as
+ * possible. Performance on large workloads tends to scale
+ * proportionally to la size. In addition to that, the reservations
+ * code functions more efficiently as it can reserve more windows for
+ * write.
+ *
+ * Some things work against us when trying to choose a large local alloc:
+ *
+ * - We need to ensure our sizing is picked to leave enough space in
+ *   group descriptors for other allocations (such as block groups,
+ *   etc). Picking default sizes which are a multiple of 4 could help
+ *   - block groups are allocated in 2mb and 4mb chunks.
+ *
+ * - Likewise, we don't want to starve other nodes of bits on small
+ *   file systems. This can easily be taken care of by limiting our
+ *   default to a reasonable size (256M) on larger cluster sizes.
+ *
+ * - Some file systems can't support very large sizes - 4k and 8k in
+ *   particular are limited to less than 128 and 256 megabytes respectively.
+ *
+ * The following reference table shows group descriptor and local
+ * alloc maximums at various cluster sizes (4k blocksize)
+ *
+ * csize: 4K	group: 126M	la: 121M
+ * csize: 8K	group: 252M	la: 243M
+ * csize: 16K	group: 504M	la: 486M
+ * csize: 32K	group: 1008M	la: 972M
+ * csize: 64K	group: 2016M	la: 1944M
+ * csize: 128K	group: 4032M	la: 3888M
+ * csize: 256K	group: 8064M	la: 7776M
+ * csize: 512K	group: 16128M	la: 15552M
+ * csize: 1024K	group: 32256M	la: 31104M
+ */
+#define	OCFS2_LA_MAX_DEFAULT_MB	256
+#define	OCFS2_LA_OLD_DEFAULT	8
+unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb)
+{
+	unsigned int la_mb;
+	unsigned int gd_mb;
+	unsigned int megs_per_slot;
+	struct super_block *sb = osb->sb;
+
+	gd_mb = ocfs2_clusters_to_megabytes(osb->sb,
+					    8 * ocfs2_group_bitmap_size(sb));
+
+	/*
+	 * This takes care of files systems with very small group
+	 * descriptors - 512 byte blocksize at cluster sizes lower
+	 * than 16K and also 1k blocksize with 4k cluster size.
+	 */
+	if ((sb->s_blocksize == 512 && osb->s_clustersize <= 8192)
+	    || (sb->s_blocksize == 1024 && osb->s_clustersize == 4096))
+		return OCFS2_LA_OLD_DEFAULT;
+
+	/*
+	 * Leave enough room for some block groups and make the final
+	 * value we work from a multiple of 4.
+	 */
+	gd_mb -= 16;
+	gd_mb &= 0xFFFFFFFB;
+
+	la_mb = gd_mb;
+
+	/*
+	 * Keep window sizes down to a reasonable default
+	 */
+	if (la_mb > OCFS2_LA_MAX_DEFAULT_MB) {
+		/*
+		 * Some clustersize / blocksize combinations will have
+		 * given us a larger than OCFS2_LA_MAX_DEFAULT_MB
+		 * default size, but get poor distribution when
+		 * limited to exactly 256 megabytes.
+		 *
+		 * As an example, 16K clustersize at 4K blocksize
+		 * gives us a cluster group size of 504M. Paring the
+		 * local alloc size down to 256 however, would give us
+		 * only one window and around 200MB left in the
+		 * cluster group. Instead, find the first size below
+		 * 256 which would give us an even distribution.
+		 *
+		 * Larger cluster group sizes actually work out pretty
+		 * well when pared to 256, so we don't have to do this
+		 * for any group that fits more than two
+		 * OCFS2_LA_MAX_DEFAULT_MB windows.
+		 */
+		if (gd_mb > (2 * OCFS2_LA_MAX_DEFAULT_MB))
+			la_mb = 256;
+		else {
+			unsigned int gd_mult = gd_mb;
+
+			while (gd_mult > 256)
+				gd_mult = gd_mult >> 1;
+
+			la_mb = gd_mult;
+		}
+	}
+
+	megs_per_slot = osb->osb_clusters_at_boot / osb->max_slots;
+	megs_per_slot = ocfs2_clusters_to_megabytes(osb->sb, megs_per_slot);
+	/* Too many nodes, too few disk clusters. */
+	if (megs_per_slot < la_mb)
+		la_mb = megs_per_slot;
+
+	return la_mb;
+}
+
 void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb)
 {
 	struct super_block *sb = osb->sb;
-	unsigned int la_default_mb = OCFS2_DEFAULT_LOCAL_ALLOC_SIZE;
+	unsigned int la_default_mb = ocfs2_la_default_mb(osb);
 	unsigned int la_max_mb;
 
 	la_max_mb = ocfs2_clusters_to_megabytes(sb,
@@ -185,7 +295,7 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb)
 		     osb->local_alloc_bits, (osb->bitmap_cpg - 1));
 		osb->local_alloc_bits =
 			ocfs2_megabytes_to_clusters(osb->sb,
-						    OCFS2_DEFAULT_LOCAL_ALLOC_SIZE);
+						    ocfs2_la_default_mb(osb));
 	}
 
 	/* read the alloc off disk */
diff --git a/fs/ocfs2/localalloc.h b/fs/ocfs2/localalloc.h
index 04195c67f7c..1be9b586446 100644
--- a/fs/ocfs2/localalloc.h
+++ b/fs/ocfs2/localalloc.h
@@ -31,6 +31,7 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb);
 void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb);
 
 void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb);
+unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb);
 
 int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb,
 				     int node_num,
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index e98c954cf96..09d7aee3dab 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -342,6 +342,9 @@ struct ocfs2_super
 	 */
 	unsigned int local_alloc_bits;
 	unsigned int local_alloc_default_bits;
+	/* osb_clusters_at_boot can become stale! Do not trust it to
+	 * be up to date. */
+	unsigned int osb_clusters_at_boot;
 
 	enum ocfs2_local_alloc_state local_alloc_state; /* protected
 							 * by osb_lock */
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index bb37218a797..d61a1521b10 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -282,14 +282,6 @@
 /* Journal limits (in bytes) */
 #define OCFS2_MIN_JOURNAL_SIZE		(4 * 1024 * 1024)
 
-/*
- * Default local alloc size (in megabytes)
- *
- * The value chosen should be such that most allocations, including new
- * block groups, use local alloc.
- */
-#define OCFS2_DEFAULT_LOCAL_ALLOC_SIZE	8
-
 /*
  * Inline extended attribute size (in bytes)
  * The value chosen should be aligned to 16 byte boundaries.
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index fc839996d05..5745682eb1c 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1503,7 +1503,7 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
 			   (unsigned) (osb->osb_commit_interval / HZ));
 
 	local_alloc_megs = osb->local_alloc_bits >> (20 - osb->s_clustersize_bits);
-	if (local_alloc_megs != OCFS2_DEFAULT_LOCAL_ALLOC_SIZE)
+	if (local_alloc_megs != ocfs2_la_default_mb(osb))
 		seq_printf(s, ",localalloc=%d", local_alloc_megs);
 
 	if (opts & OCFS2_MOUNT_LOCALFLOCKS)
@@ -2251,6 +2251,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
 	}
 
 	osb->bitmap_blkno = OCFS2_I(inode)->ip_blkno;
+	osb->osb_clusters_at_boot = OCFS2_I(inode)->ip_clusters;
 	iput(inode);
 
 	osb->bitmap_cpg = ocfs2_group_bitmap_size(sb) * 8;

From b07f8f24dfe54da0f074b78949044842e8df881f Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Mon, 5 Apr 2010 18:17:15 -0700
Subject: [PATCH 0697/3638] ocfs2: change default reservation window sizes

The default reservation size of 4 (32-bit windows) is a bit too ambitious.
Scale it back to 16 bits (resv_level=2). I have been testing various sizes
on a 4-node cluster which runs a mixed workload that is heavily threaded.
With a 256MB local alloc, I get *roughly* the following levels of average file
fragmentation:

resv_level=0	70%
resv_level=1	21%
resv_level=2	23%
resv_level=3	24%
resv_level=4	60%
resv_level=5	did not test
resv_level=6	60%

resv_level=2 seemed like a good compromise between not letting windows be
too small, but not so big that heavier workloads will immediately suffer
without tuning.

This patch also change the behavior of directory reservations - they now
track file reservations.  The previous compromise of giving directory
windows only 8 bits wound up fragmenting more at some window sizes because
file allocations had smaller unused windows to poach from.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 Documentation/filesystems/ocfs2.txt | 2 +-
 fs/ocfs2/reservations.c             | 7 ++++---
 fs/ocfs2/reservations.h             | 2 +-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt
index 412df909593..32339e584a9 100644
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -80,6 +80,6 @@ user_xattr	(*)	Enables Extended User Attributes.
 nouser_xattr		Disables Extended User Attributes.
 acl			Enables POSIX Access Control Lists support.
 noacl		(*)	Disables POSIX Access Control Lists support.
-resv_level=4	(*)	Set how agressive allocation reservations will be.
+resv_level=2	(*)	Set how agressive allocation reservations will be.
 			Valid values are between 0 (reservations off) to 8
 			(maximum space for reservations).
diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c
index 7fc6cfee95f..87fa35791f1 100644
--- a/fs/ocfs2/reservations.c
+++ b/fs/ocfs2/reservations.c
@@ -55,9 +55,10 @@ static unsigned int ocfs2_resv_window_bits(struct ocfs2_reservation_map *resmap,
 	if (!(resv->r_flags & OCFS2_RESV_FLAG_DIR)) {
 		/* 8, 16, 32, 64, 128, 256, 512, 1024 */
 		bits = 4 << osb->osb_resv_level;
-	} else
-		bits = OCFS2_RESV_DIR_WINDOW_BITS;
-
+	} else {
+		/* For now, treat directories the same as files. */
+		bits = 4 << osb->osb_resv_level;
+	}
 	return bits;
 }
 
diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h
index 34bb308375c..022aff601e1 100644
--- a/fs/ocfs2/reservations.h
+++ b/fs/ocfs2/reservations.h
@@ -22,7 +22,7 @@
 
 #include <linux/rbtree.h>
 
-#define OCFS2_DEFAULT_RESV_LEVEL	4
+#define OCFS2_DEFAULT_RESV_LEVEL	2
 #define OCFS2_MAX_RESV_LEVEL	9
 #define OCFS2_MIN_RESV_LEVEL	0
 

From 83f92318fa33cc084e14e64dc903e605f75884c1 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Mon, 5 Apr 2010 18:17:16 -0700
Subject: [PATCH 0698/3638] ocfs2: Add dir_resv_level mount option

The default behavior for directory reservations stays the same, but we add a
mount option so people can tweak the size of directory reservations
according to their workloads.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 Documentation/filesystems/ocfs2.txt |  4 ++++
 fs/ocfs2/dir.c                      |  6 ++++--
 fs/ocfs2/ocfs2.h                    |  1 +
 fs/ocfs2/reservations.c             |  9 ++++++---
 fs/ocfs2/reservations.h             |  2 ++
 fs/ocfs2/super.c                    | 23 +++++++++++++++++++++++
 6 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt
index 32339e584a9..1f7ae144f6d 100644
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -83,3 +83,7 @@ noacl		(*)	Disables POSIX Access Control Lists support.
 resv_level=2	(*)	Set how agressive allocation reservations will be.
 			Valid values are between 0 (reservations off) to 8
 			(maximum space for reservations).
+dir_resv_level=	(*)	By default, directory reservations will scale with file
+			reservations - users should rarely need to change this
+			value. If allocation reservations are turned off, this
+			option will have no effect.
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 8563f97c58a..6c9a28a2d3a 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2977,7 +2977,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 	 * if we only get one now, that's enough to continue. The rest
 	 * will be claimed after the conversion to extents.
 	 */
-	data_ac->ac_resv = &oi->ip_la_data_resv;
+	if (ocfs2_dir_resv_allowed(osb))
+		data_ac->ac_resv = &oi->ip_la_data_resv;
 	ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len);
 	if (ret) {
 		mlog_errno(ret);
@@ -3348,7 +3349,8 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
 			goto bail;
 		}
 
-		data_ac->ac_resv = &OCFS2_I(dir)->ip_la_data_resv;
+		if (ocfs2_dir_resv_allowed(osb))
+			data_ac->ac_resv = &OCFS2_I(dir)->ip_la_data_resv;
 
 		credits = ocfs2_calc_extend_credits(sb, el, 1);
 	} else {
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 09d7aee3dab..a388528f485 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -356,6 +356,7 @@ struct ocfs2_super
 	struct ocfs2_reservation_map	osb_la_resmap;
 
 	unsigned int	osb_resv_level;
+	unsigned int	osb_dir_resv_level;
 
 	/* Next three fields are for local node slot recovery during
 	 * mount. */
diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c
index 87fa35791f1..6497bcc00fa 100644
--- a/fs/ocfs2/reservations.c
+++ b/fs/ocfs2/reservations.c
@@ -44,7 +44,11 @@ DEFINE_SPINLOCK(resv_lock);
 
 #define	OCFS2_MIN_RESV_WINDOW_BITS	8
 #define	OCFS2_MAX_RESV_WINDOW_BITS	1024
-#define	OCFS2_RESV_DIR_WINDOW_BITS	OCFS2_MIN_RESV_WINDOW_BITS
+
+int ocfs2_dir_resv_allowed(struct ocfs2_super *osb)
+{
+	return (osb->osb_resv_level && osb->osb_dir_resv_level);
+}
 
 static unsigned int ocfs2_resv_window_bits(struct ocfs2_reservation_map *resmap,
 					   struct ocfs2_alloc_reservation *resv)
@@ -56,8 +60,7 @@ static unsigned int ocfs2_resv_window_bits(struct ocfs2_reservation_map *resmap,
 		/* 8, 16, 32, 64, 128, 256, 512, 1024 */
 		bits = 4 << osb->osb_resv_level;
 	} else {
-		/* For now, treat directories the same as files. */
-		bits = 4 << osb->osb_resv_level;
+		bits = 4 << osb->osb_dir_resv_level;
 	}
 	return bits;
 }
diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h
index 022aff601e1..25b0c0e31e9 100644
--- a/fs/ocfs2/reservations.h
+++ b/fs/ocfs2/reservations.h
@@ -67,6 +67,8 @@ void ocfs2_resv_init_once(struct ocfs2_alloc_reservation *resv);
 void ocfs2_resv_set_type(struct ocfs2_alloc_reservation *resv,
 			 unsigned int flags);
 
+int ocfs2_dir_resv_allowed(struct ocfs2_super *osb);
+
 /**
  * ocfs2_resv_discard() - truncate a reservation
  * @resmap:
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 5745682eb1c..79d7d4cf45b 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -96,6 +96,7 @@ struct mount_options
 	signed short	slot;
 	int		localalloc_opt;
 	unsigned int	resv_level;
+	int		dir_resv_level;
 	char		cluster_stack[OCFS2_STACK_LABEL_LEN + 1];
 };
 
@@ -178,6 +179,7 @@ enum {
 	Opt_usrquota,
 	Opt_grpquota,
 	Opt_resv_level,
+	Opt_dir_resv_level,
 	Opt_err,
 };
 
@@ -205,6 +207,7 @@ static const match_table_t tokens = {
 	{Opt_usrquota, "usrquota"},
 	{Opt_grpquota, "grpquota"},
 	{Opt_resv_level, "resv_level=%u"},
+	{Opt_dir_resv_level, "dir_resv_level=%u"},
 	{Opt_err, NULL}
 };
 
@@ -1034,6 +1037,11 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
 
 	ocfs2_la_set_sizes(osb, parsed_options.localalloc_opt);
 	osb->osb_resv_level = parsed_options.resv_level;
+	osb->osb_dir_resv_level = parsed_options.resv_level;
+	if (parsed_options.dir_resv_level == -1)
+		osb->osb_dir_resv_level = parsed_options.resv_level;
+	else
+		osb->osb_dir_resv_level = parsed_options.dir_resv_level;
 
 	status = ocfs2_verify_userspace_stack(osb, &parsed_options);
 	if (status)
@@ -1295,6 +1303,7 @@ static int ocfs2_parse_options(struct super_block *sb,
 	mopt->localalloc_opt = -1;
 	mopt->cluster_stack[0] = '\0';
 	mopt->resv_level = OCFS2_DEFAULT_RESV_LEVEL;
+	mopt->dir_resv_level = -1;
 
 	if (!options) {
 		status = 1;
@@ -1449,6 +1458,17 @@ static int ocfs2_parse_options(struct super_block *sb,
 			    option < OCFS2_MAX_RESV_LEVEL)
 				mopt->resv_level = option;
 			break;
+		case Opt_dir_resv_level:
+			if (is_remount)
+				break;
+			if (match_int(&args[0], &option)) {
+				status = 0;
+				goto bail;
+			}
+			if (option >= OCFS2_MIN_RESV_LEVEL &&
+			    option < OCFS2_MAX_RESV_LEVEL)
+				mopt->dir_resv_level = option;
+			break;
 		default:
 			mlog(ML_ERROR,
 			     "Unrecognized mount option \"%s\" "
@@ -1533,6 +1553,9 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
 	if (osb->osb_resv_level != OCFS2_DEFAULT_RESV_LEVEL)
 		seq_printf(s, ",resv_level=%d", osb->osb_resv_level);
 
+	if (osb->osb_dir_resv_level != osb->osb_resv_level)
+		seq_printf(s, ",dir_resv_level=%d", osb->osb_resv_level);
+
 	return 0;
 }
 

From a5196ec5ef80309fd390191c548ee1f2e8a327ee Mon Sep 17 00:00:00 2001
From: Wengang Wang <wen.gang.wang@oracle.com>
Date: Tue, 30 Mar 2010 12:09:22 +0800
Subject: [PATCH 0699/3638] ocfs2: print node # when tcp fails

Print the node number of a peer node if sending it a message failed.

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/dlm/dlmast.c      |  4 +++-
 fs/ocfs2/dlm/dlmconvert.c  |  4 +++-
 fs/ocfs2/dlm/dlmdomain.c   | 19 +++++++++++++------
 fs/ocfs2/dlm/dlmlock.c     |  4 +++-
 fs/ocfs2/dlm/dlmmaster.c   | 12 +++++++++---
 fs/ocfs2/dlm/dlmrecovery.c | 27 ++++++++++++++++++---------
 fs/ocfs2/dlm/dlmunlock.c   |  3 ++-
 7 files changed, 51 insertions(+), 22 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c
index dccc439fa08..390a887c4df 100644
--- a/fs/ocfs2/dlm/dlmast.c
+++ b/fs/ocfs2/dlm/dlmast.c
@@ -453,7 +453,9 @@ int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
 	ret = o2net_send_message_vec(DLM_PROXY_AST_MSG, dlm->key, vec, veclen,
 				     lock->ml.node, &status);
 	if (ret < 0)
-		mlog_errno(ret);
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", ret, DLM_PROXY_AST_MSG, dlm->key,
+		     lock->ml.node);
 	else {
 		if (status == DLM_RECOVERING) {
 			mlog(ML_ERROR, "sent AST to node %u, it thinks this "
diff --git a/fs/ocfs2/dlm/dlmconvert.c b/fs/ocfs2/dlm/dlmconvert.c
index f283bce776b..3028d05fc4e 100644
--- a/fs/ocfs2/dlm/dlmconvert.c
+++ b/fs/ocfs2/dlm/dlmconvert.c
@@ -391,7 +391,9 @@ static enum dlm_status dlm_send_remote_convert_request(struct dlm_ctxt *dlm,
 		} else if (ret != DLM_NORMAL && ret != DLM_NOTQUEUED)
 			dlm_error(ret);
 	} else {
-		mlog_errno(tmpret);
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", tmpret, DLM_CONVERT_LOCK_MSG, dlm->key,
+		     res->owner);
 		if (dlm_is_host_down(tmpret)) {
 			/* instead of logging the same network error over
 			 * and over, sleep here and wait for the heartbeat
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 988c9055fd4..eb50be0288f 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -565,7 +565,9 @@ static int dlm_send_one_domain_exit(struct dlm_ctxt *dlm,
 	status = o2net_send_message(DLM_EXIT_DOMAIN_MSG, dlm->key,
 				    &leave_msg, sizeof(leave_msg), node,
 				    NULL);
-
+	if (status < 0)
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", status, DLM_EXIT_DOMAIN_MSG, dlm->key, node);
 	mlog(0, "status return %d from o2net_send_message\n", status);
 
 	return status;
@@ -962,7 +964,9 @@ static int dlm_send_one_join_cancel(struct dlm_ctxt *dlm,
 				    &cancel_msg, sizeof(cancel_msg), node,
 				    NULL);
 	if (status < 0) {
-		mlog_errno(status);
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", status, DLM_CANCEL_JOIN_MSG, DLM_MOD_KEY,
+		     node);
 		goto bail;
 	}
 
@@ -1029,10 +1033,11 @@ static int dlm_request_join(struct dlm_ctxt *dlm,
 	byte_copymap(join_msg.node_map, dlm->live_nodes_map, O2NM_MAX_NODES);
 
 	status = o2net_send_message(DLM_QUERY_JOIN_MSG, DLM_MOD_KEY, &join_msg,
-				    sizeof(join_msg), node,
-				    &join_resp);
+				    sizeof(join_msg), node, &join_resp);
 	if (status < 0 && status != -ENOPROTOOPT) {
-		mlog_errno(status);
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", status, DLM_QUERY_JOIN_MSG, DLM_MOD_KEY,
+		     node);
 		goto bail;
 	}
 	dlm_query_join_wire_to_packet(join_resp, &packet);
@@ -1103,7 +1108,9 @@ static int dlm_send_one_join_assert(struct dlm_ctxt *dlm,
 				    &assert_msg, sizeof(assert_msg), node,
 				    NULL);
 	if (status < 0)
-		mlog_errno(status);
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", status, DLM_ASSERT_JOINED_MSG, DLM_MOD_KEY,
+		     node);
 
 	return status;
 }
diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index 73333777267..f1fba2a6a8f 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -329,7 +329,9 @@ static enum dlm_status dlm_send_remote_lock_request(struct dlm_ctxt *dlm,
 			BUG();
 		}
 	} else {
-		mlog_errno(tmpret);
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", tmpret, DLM_CREATE_LOCK_MSG, dlm->key,
+		     res->owner);
 		if (dlm_is_host_down(tmpret)) {
 			ret = DLM_RECOVERING;
 			mlog(0, "node %u died so returning DLM_RECOVERING "
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index a659606dcb9..3114de2e74c 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1666,7 +1666,9 @@ again:
 		tmpret = o2net_send_message(DLM_ASSERT_MASTER_MSG, dlm->key,
 					    &assert, sizeof(assert), to, &r);
 		if (tmpret < 0) {
-			mlog(0, "assert_master returned %d!\n", tmpret);
+			mlog(ML_ERROR, "Error %d when sending message %u (key "
+			     "0x%x) to node %u\n", tmpret,
+			     DLM_ASSERT_MASTER_MSG, dlm->key, to);
 			if (!dlm_is_host_down(tmpret)) {
 				mlog(ML_ERROR, "unhandled error=%d!\n", tmpret);
 				BUG();
@@ -2207,7 +2209,9 @@ int dlm_drop_lockres_ref(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
 	ret = o2net_send_message(DLM_DEREF_LOCKRES_MSG, dlm->key,
 				 &deref, sizeof(deref), res->owner, &r);
 	if (ret < 0)
-		mlog_errno(ret);
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", ret, DLM_DEREF_LOCKRES_MSG, dlm->key,
+		     res->owner);
 	else if (r < 0) {
 		/* BAD.  other node says I did not have a ref. */
 		mlog(ML_ERROR,"while dropping ref on %s:%.*s "
@@ -2977,7 +2981,9 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm,
 					 &migrate, sizeof(migrate), nodenum,
 					 &status);
 		if (ret < 0) {
-			mlog(0, "migrate_request returned %d!\n", ret);
+			mlog(ML_ERROR, "Error %d when sending message %u (key "
+			     "0x%x) to node %u\n", ret, DLM_MIGRATE_REQUEST_MSG,
+			     dlm->key, nodenum);
 			if (!dlm_is_host_down(ret)) {
 				mlog(ML_ERROR, "unhandled error=%d!\n", ret);
 				BUG();
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index b4f99de2caf..f8b75ce4be7 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -803,7 +803,9 @@ static int dlm_request_all_locks(struct dlm_ctxt *dlm, u8 request_from,
 
 	/* negative status is handled by caller */
 	if (ret < 0)
-		mlog_errno(ret);
+		mlog(ML_ERROR, "Error %d when sending message %u (key "
+		     "0x%x) to node %u\n", ret, DLM_LOCK_REQUEST_MSG,
+		     dlm->key, request_from);
 
 	// return from here, then
 	// sleep until all received or error
@@ -955,10 +957,10 @@ static int dlm_send_all_done_msg(struct dlm_ctxt *dlm, u8 dead_node, u8 send_to)
 	ret = o2net_send_message(DLM_RECO_DATA_DONE_MSG, dlm->key, &done_msg,
 				 sizeof(done_msg), send_to, &tmpret);
 	if (ret < 0) {
+		mlog(ML_ERROR, "Error %d when sending message %u (key "
+		     "0x%x) to node %u\n", ret, DLM_RECO_DATA_DONE_MSG,
+		     dlm->key, send_to);
 		if (!dlm_is_host_down(ret)) {
-			mlog_errno(ret);
-			mlog(ML_ERROR, "%s: unknown error sending data-done "
-			     "to %u\n", dlm->name, send_to);
 			BUG();
 		}
 	} else
@@ -1126,7 +1128,9 @@ static int dlm_send_mig_lockres_msg(struct dlm_ctxt *dlm,
 	if (ret < 0) {
 		/* XXX: negative status is not handled.
 		 * this will end up killing this node. */
-		mlog_errno(ret);
+		mlog(ML_ERROR, "Error %d when sending message %u (key "
+		     "0x%x) to node %u\n", ret, DLM_MIG_LOCKRES_MSG,
+		     dlm->key, send_to);
 	} else {
 		/* might get an -ENOMEM back here */
 		ret = status;
@@ -1642,7 +1646,9 @@ int dlm_do_master_requery(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
 				 &req, sizeof(req), nodenum, &status);
 	/* XXX: negative status not handled properly here. */
 	if (ret < 0)
-		mlog_errno(ret);
+		mlog(ML_ERROR, "Error %d when sending message %u (key "
+		     "0x%x) to node %u\n", ret, DLM_MASTER_REQUERY_MSG,
+		     dlm->key, nodenum);
 	else {
 		BUG_ON(status < 0);
 		BUG_ON(status > DLM_LOCK_RES_OWNER_UNKNOWN);
@@ -2640,7 +2646,7 @@ retry:
 		if (dlm_is_host_down(ret)) {
 			/* node is down.  not involved in recovery
 			 * so just keep going */
-			mlog(0, "%s: node %u was down when sending "
+			mlog(ML_NOTICE, "%s: node %u was down when sending "
 			     "begin reco msg (%d)\n", dlm->name, nodenum, ret);
 			ret = 0;
 		}
@@ -2660,11 +2666,12 @@ retry:
 		}
 		if (ret < 0) {
 			struct dlm_lock_resource *res;
+
 			/* this is now a serious problem, possibly ENOMEM
 			 * in the network stack.  must retry */
 			mlog_errno(ret);
 			mlog(ML_ERROR, "begin reco of dlm %s to node %u "
-			    " returned %d\n", dlm->name, nodenum, ret);
+			     "returned %d\n", dlm->name, nodenum, ret);
 			res = dlm_lookup_lockres(dlm, DLM_RECOVERY_LOCK_NAME,
 						 DLM_RECOVERY_LOCK_NAME_LEN);
 			if (res) {
@@ -2789,7 +2796,9 @@ stage2:
 		if (ret >= 0)
 			ret = status;
 		if (ret < 0) {
-			mlog_errno(ret);
+			mlog(ML_ERROR, "Error %d when sending message %u (key "
+			     "0x%x) to node %u\n", ret, DLM_FINALIZE_RECO_MSG,
+			     dlm->key, nodenum);
 			if (dlm_is_host_down(ret)) {
 				/* this has no effect on this recovery
 				 * session, so set the status to zero to
diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c
index 49e29ecd020..2c1f306f8fa 100644
--- a/fs/ocfs2/dlm/dlmunlock.c
+++ b/fs/ocfs2/dlm/dlmunlock.c
@@ -355,7 +355,8 @@ static enum dlm_status dlm_send_remote_unlock_request(struct dlm_ctxt *dlm,
 			mlog(0, "master was in-progress.  retry\n");
 		ret = status;
 	} else {
-		mlog_errno(tmpret);
+		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
+		     "node %u\n", tmpret, DLM_UNLOCK_LOCK_MSG, dlm->key, owner);
 		if (dlm_is_host_down(tmpret)) {
 			/* NOTE: this seems strange, but it is what we want.
 			 * when the master goes down during a cancel or

From 23fd9abdc8f63c72fe3324e83d454ccecedaec37 Mon Sep 17 00:00:00 2001
From: Srinivas Eeda <srinivas.eeda@oracle.com>
Date: Wed, 31 Mar 2010 14:32:29 -0700
Subject: [PATCH 0700/3638] o2net: log socket state changes

This patch logs socket state changes that lead to socket shutdown.

Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/cluster/tcp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 73e743eea2c..aa75ca3f78d 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -583,6 +583,9 @@ static void o2net_state_change(struct sock *sk)
 			o2net_sc_queue_work(sc, &sc->sc_connect_work);
 			break;
 		default:
+			printk(KERN_INFO "o2net: connection to " SC_NODEF_FMT
+			      " shutdown, state %d\n",
+			      SC_NODEF_ARGS(sc), sk->sk_state);
 			o2net_sc_queue_work(sc, &sc->sc_shutdown_work);
 			break;
 	}

From 5c80d4c9e5489d5930412add87501702fe5f93fb Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Tue, 13 Apr 2010 18:00:30 -0700
Subject: [PATCH 0701/3638] ocfs2/dlm: Make o2dlm domain join/leave messages
 KERN_NOTICE

o2dlm join and leave messages are more than informational as they are
required for debugging locking issues. This patch changes them from
KERN_INFO to KERN_NOTICE.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/dlm/dlmdomain.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index eb50be0288f..e82c0537eff 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -511,7 +511,7 @@ static void __dlm_print_nodes(struct dlm_ctxt *dlm)
 
 	assert_spin_locked(&dlm->spinlock);
 
-	printk(KERN_INFO "ocfs2_dlm: Nodes in domain (\"%s\"): ", dlm->name);
+	printk(KERN_NOTICE "o2dlm: Nodes in domain %s: ", dlm->name);
 
 	while ((node = find_next_bit(dlm->domain_map, O2NM_MAX_NODES,
 				     node + 1)) < O2NM_MAX_NODES) {
@@ -534,7 +534,7 @@ static int dlm_exit_domain_handler(struct o2net_msg *msg, u32 len, void *data,
 
 	node = exit_msg->node_idx;
 
-	printk(KERN_INFO "ocfs2_dlm: Node %u leaves domain %s\n", node, dlm->name);
+	printk(KERN_NOTICE "o2dlm: Node %u leaves domain %s\n", node, dlm->name);
 
 	spin_lock(&dlm->spinlock);
 	clear_bit(node, dlm->domain_map);
@@ -906,7 +906,7 @@ static int dlm_assert_joined_handler(struct o2net_msg *msg, u32 len, void *data,
 		set_bit(assert->node_idx, dlm->domain_map);
 		__dlm_set_joining_node(dlm, DLM_LOCK_RES_OWNER_UNKNOWN);
 
-		printk(KERN_INFO "ocfs2_dlm: Node %u joins domain %s\n",
+		printk(KERN_NOTICE "o2dlm: Node %u joins domain %s\n",
 		       assert->node_idx, dlm->name);
 		__dlm_print_nodes(dlm);
 

From 4b37fcb7d41ce3b9264b9562d6ffd62db9294bd1 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Tue, 13 Apr 2010 18:00:31 -0700
Subject: [PATCH 0702/3638] ocfs2: Make nointr a default mount option

OCFS2 has never really supported intr. This patch acknowledges this reality
and makes nointr the default mount option. In a later patch, we intend to
support intr.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 79d7d4cf45b..12c2203a62f 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1297,7 +1297,7 @@ static int ocfs2_parse_options(struct super_block *sb,
 		   options ? options : "(none)");
 
 	mopt->commit_interval = 0;
-	mopt->mount_opt = 0;
+	mopt->mount_opt = OCFS2_MOUNT_NOINTR;
 	mopt->atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
 	mopt->slot = OCFS2_INVALID_SLOT;
 	mopt->localalloc_opt = -1;

From b065556a7d1a9205403db77a318a5c5aa530e701 Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Thu, 8 Apr 2010 16:33:02 +0800
Subject: [PATCH 0703/3638] ocfs2: make ocfs2_adjust_resv_from_alloc simple.

When we allocate some bits from the reservation, we always
allocate from the r_start(see ocfs2_resmap_resv_bits).
So there should be no reason to check between r_start
and start. And I don't think we will change this behaviour
later by allocating from some bits after r_start.  Why not make
ocfs2_adjust_resv_from_alloc simple for now?

The only chance we have to adjust the reservation is when we haven't
reached the end. With this patch, the function is more readable.

Note:
btw, this patch also fixes an original bug in the function
which I haven't found before.
	if (end < ocfs2_resv_end(resv))
		rhs = end - ocfs2_resv_end(resv);
This code is of course buggy. ;)

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/reservations.c | 32 ++++++++++++--------------------
 fs/ocfs2/reservations.h |  3 ++-
 2 files changed, 14 insertions(+), 21 deletions(-)

diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c
index 6497bcc00fa..cb813ef9884 100644
--- a/fs/ocfs2/reservations.c
+++ b/fs/ocfs2/reservations.c
@@ -408,7 +408,7 @@ ocfs2_find_resv_lhs(struct ocfs2_reservation_map *resmap, unsigned int goal)
  * The start value of *rstart is insignificant.
  *
  * This function searches the bitmap range starting at search_start
- * with length csearch_len for a set of contiguous free bits. We try
+ * with length search_len for a set of contiguous free bits. We try
  * to find up to 'wanted' bits, but can sometimes return less.
  *
  * Returns the length of allocation, 0 if no free bits are found.
@@ -778,38 +778,28 @@ static void
 				     struct ocfs2_alloc_reservation *resv,
 				     unsigned int start, unsigned int end)
 {
-	unsigned int lhs = 0, rhs = 0;
+	unsigned int rhs = 0;
+	unsigned int old_end = ocfs2_resv_end(resv);
 
-	BUG_ON(start < resv->r_start);
+	BUG_ON(start != resv->r_start || old_end < end);
 
 	/*
 	 * Completely used? We can remove it then.
 	 */
-	if (ocfs2_resv_end(resv) <= end && resv->r_start >= start) {
+	if (old_end == end) {
 		__ocfs2_resv_discard(resmap, resv);
 		return;
 	}
 
-	if (end < ocfs2_resv_end(resv))
-		rhs = end - ocfs2_resv_end(resv);
-
-	if (start > resv->r_start)
-		lhs = start - resv->r_start;
+	rhs = old_end - end;
 
 	/*
-	 * This should have been trapped above. At the very least, rhs
-	 * should be non zero.
+	 * This should have been trapped above.
 	 */
-	BUG_ON(rhs == 0 && lhs == 0);
+	BUG_ON(rhs == 0);
 
-	if (rhs >= lhs) {
-		unsigned int old_end = ocfs2_resv_end(resv);
-
-		resv->r_start = end + 1;
-		resv->r_len = old_end - resv->r_start + 1;
-	} else {
-		resv->r_len = start - resv->r_start;
-	}
+	resv->r_start = end + 1;
+	resv->r_len = old_end - resv->r_start + 1;
 }
 
 void ocfs2_resmap_claimed_bits(struct ocfs2_reservation_map *resmap,
@@ -824,6 +814,8 @@ void ocfs2_resmap_claimed_bits(struct ocfs2_reservation_map *resmap,
 	if (resv == NULL)
 		return;
 
+	BUG_ON(cstart != resv->r_start);
+
 	spin_lock(&resv_lock);
 
 	mlog(0, "claim bits: cstart: %u cend: %u clen: %u r_start: %u "
diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h
index 25b0c0e31e9..1e49cc29d06 100644
--- a/fs/ocfs2/reservations.h
+++ b/fs/ocfs2/reservations.h
@@ -149,7 +149,8 @@ int ocfs2_resmap_resv_bits(struct ocfs2_reservation_map *resmap,
  * reservation. But we must always call this function when bits are claimed.
  * Internally, the reservations code will use this information to mark the
  * reservations bitmap. If resv is passed, it's next allocation window will be
- * calculated.
+ * calculated. It also expects that 'cstart' is the same as we passed back
+ * from ocfs2_resmap_resv_bits().
  */
 void ocfs2_resmap_claimed_bits(struct ocfs2_reservation_map *resmap,
 			       struct ocfs2_alloc_reservation *resv,

From 3e4218df3176657be72ad2fa199779be6c11fe4f Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Tue, 6 Apr 2010 16:46:46 +0800
Subject: [PATCH 0704/3638] ocfs2/trivial: Code cleanup for allocation
 reservation.

Two tiny cleanup for allocation reservation.
1. Remove some extra codes in ocfs2_local_alloc_find_clear_bits.
2. Remove an unuseful variables in ocfs2_find_resv_lhs.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/localalloc.c   | 7 ++-----
 fs/ocfs2/reservations.c | 2 --
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 00022aac2e8..63c41e20679 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -879,13 +879,10 @@ static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
 	mlog(0, "Exiting loop, bitoff = %d, numfound = %d\n", bitoff,
 	     numfound);
 
-	if (numfound == *numbits) {
+	if (numfound == *numbits)
 		bitoff = startoff - numfound;
-		*numbits = numfound;
-	} else {
-		numfound = 0;
+	else
 		bitoff = -1;
-	}
 
 bail:
 	if (local_resv)
diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c
index cb813ef9884..40650021fc2 100644
--- a/fs/ocfs2/reservations.c
+++ b/fs/ocfs2/reservations.c
@@ -371,7 +371,6 @@ ocfs2_find_resv_lhs(struct ocfs2_reservation_map *resmap, unsigned int goal)
 	struct ocfs2_alloc_reservation *resv = NULL;
 	struct ocfs2_alloc_reservation *prev_resv = NULL;
 	struct rb_node *node = resmap->m_reservations.rb_node;
-	struct rb_node *prev = NULL;
 
 	assert_spin_locked(&resv_lock);
 
@@ -392,7 +391,6 @@ ocfs2_find_resv_lhs(struct ocfs2_reservation_map *resmap, unsigned int goal)
 		}
 
 		prev_resv = resv;
-		prev = node;
 		node = rb_next(node);
 	}
 

From c901fb00731e307c2c6e8c7d5eee005df5835f9d Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Mon, 26 Apr 2010 14:34:57 +0800
Subject: [PATCH 0705/3638] ocfs2: Make ocfs2_extend_trans() really extend.

In ocfs2, we use ocfs2_extend_trans() to extend a journal handle's
blocks. But if jbd2_journal_extend() fails, it will only restart
with the the new number of blocks.  This tends to be awkward since
in most cases we want additional reserved blocks. It makes our code
harder to mantain since the caller can't be sure all the original
blocks will not be accessed and dirtied again.  There are 15 callers
of ocfs2_extend_trans() in fs/ocfs2, and 12 of them have to add
h_buffer_credits before they call ocfs2_extend_trans().  This makes
ocfs2_extend_trans() really extend atop the original block count.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/alloc.c        | 30 +++++++++---------------------
 fs/ocfs2/journal.c      | 15 +++++++++------
 fs/ocfs2/refcounttree.c |  2 +-
 fs/ocfs2/xattr.c        | 17 ++++++-----------
 4 files changed, 25 insertions(+), 39 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index a74ea700ffd..0cb2945eb81 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -1125,8 +1125,7 @@ static int ocfs2_adjust_rightmost_branch(handle_t *handle,
 		goto out;
 	}
 
-	status = ocfs2_extend_trans(handle, path_num_items(path) +
-				    handle->h_buffer_credits);
+	status = ocfs2_extend_trans(handle, path_num_items(path));
 	if (status < 0) {
 		mlog_errno(status);
 		goto out;
@@ -2288,20 +2287,14 @@ static int ocfs2_extend_rotate_transaction(handle_t *handle, int subtree_depth,
 					   int op_credits,
 					   struct ocfs2_path *path)
 {
-	int ret;
+	int ret = 0;
 	int credits = (path->p_tree_depth - subtree_depth) * 2 + 1 + op_credits;
 
-	if (handle->h_buffer_credits < credits) {
+	if (handle->h_buffer_credits < credits)
 		ret = ocfs2_extend_trans(handle,
 					 credits - handle->h_buffer_credits);
-		if (ret)
-			return ret;
 
-		if (unlikely(handle->h_buffer_credits < credits))
-			return ocfs2_extend_trans(handle, credits);
-	}
-
-	return 0;
+	return ret;
 }
 
 /*
@@ -2545,8 +2538,7 @@ static int ocfs2_update_edge_lengths(handle_t *handle,
 	 * records for all the bh in the path.
 	 * So we have to allocate extra credits and access them.
 	 */
-	ret = ocfs2_extend_trans(handle,
-				 handle->h_buffer_credits + subtree_index);
+	ret = ocfs2_extend_trans(handle, subtree_index);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -4141,17 +4133,13 @@ static int ocfs2_insert_path(handle_t *handle,
 	struct buffer_head *leaf_bh = path_leaf_bh(right_path);
 
 	if (left_path) {
-		int credits = handle->h_buffer_credits;
-
 		/*
 		 * There's a chance that left_path got passed back to
 		 * us without being accounted for in the
 		 * journal. Extend our transaction here to be sure we
 		 * can change those blocks.
 		 */
-		credits += left_path->p_tree_depth;
-
-		ret = ocfs2_extend_trans(handle, credits);
+		ret = ocfs2_extend_trans(handle, left_path->p_tree_depth);
 		if (ret < 0) {
 			mlog_errno(ret);
 			goto out;
@@ -5237,7 +5225,7 @@ static int ocfs2_split_tree(handle_t *handle, struct ocfs2_extent_tree *et,
 			    int index, u32 new_range,
 			    struct ocfs2_alloc_context *meta_ac)
 {
-	int ret, depth, credits = handle->h_buffer_credits;
+	int ret, depth, credits;
 	struct buffer_head *last_eb_bh = NULL;
 	struct ocfs2_extent_block *eb;
 	struct ocfs2_extent_list *rightmost_el, *el;
@@ -5268,8 +5256,8 @@ static int ocfs2_split_tree(handle_t *handle, struct ocfs2_extent_tree *et,
 	} else
 		rightmost_el = path_leaf_el(path);
 
-	credits += path->p_tree_depth +
-		   ocfs2_extend_meta_needed(et->et_root_el);
+	credits = path->p_tree_depth +
+		  ocfs2_extend_meta_needed(et->et_root_el);
 	ret = ocfs2_extend_trans(handle, credits);
 	if (ret) {
 		mlog_errno(ret);
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index cfd271c64da..47878cf1641 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -402,9 +402,7 @@ int ocfs2_commit_trans(struct ocfs2_super *osb,
 }
 
 /*
- * 'nblocks' is what you want to add to the current
- * transaction. extend_trans will either extend the current handle by
- * nblocks, or commit it and start a new one with nblocks credits.
+ * 'nblocks' is what you want to add to the current transaction.
  *
  * This might call jbd2_journal_restart() which will commit dirty buffers
  * and then restart the transaction. Before calling
@@ -422,11 +420,15 @@ int ocfs2_commit_trans(struct ocfs2_super *osb,
  */
 int ocfs2_extend_trans(handle_t *handle, int nblocks)
 {
-	int status;
+	int status, old_nblocks;
 
 	BUG_ON(!handle);
-	BUG_ON(!nblocks);
+	BUG_ON(nblocks < 0);
 
+	if (!nblocks)
+		return 0;
+
+	old_nblocks = handle->h_buffer_credits;
 	mlog_entry_void();
 
 	mlog(0, "Trying to extend transaction by %d blocks\n", nblocks);
@@ -445,7 +447,8 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks)
 		mlog(0,
 		     "jbd2_journal_extend failed, trying "
 		     "jbd2_journal_restart\n");
-		status = jbd2_journal_restart(handle, nblocks);
+		status = jbd2_journal_restart(handle,
+					      old_nblocks + nblocks);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 4b0b4eb7935..33dd2a18cb7 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -1693,7 +1693,7 @@ static int ocfs2_adjust_refcount_rec(handle_t *handle,
 	 * 2 more credits, one for the leaf refcount block, one for
 	 * the extent block contains the extent rec.
 	 */
-	ret = ocfs2_extend_trans(handle, handle->h_buffer_credits + 2);
+	ret = ocfs2_extend_trans(handle, 2);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 4cf6fde7102..38a55ff45b3 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -3295,8 +3295,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 				goto out;
 			}
 
-			ret = ocfs2_extend_trans(ctxt->handle, credits +
-					ctxt->handle->h_buffer_credits);
+			ret = ocfs2_extend_trans(ctxt->handle, credits);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
@@ -3326,8 +3325,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 					goto out;
 				}
 
-				ret = ocfs2_extend_trans(ctxt->handle, credits +
-					ctxt->handle->h_buffer_credits);
+				ret = ocfs2_extend_trans(ctxt->handle, credits);
 				if (ret) {
 					mlog_errno(ret);
 					goto out;
@@ -3361,8 +3359,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 					goto out;
 				}
 
-				ret = ocfs2_extend_trans(ctxt->handle, credits +
-						ctxt->handle->h_buffer_credits);
+				ret = ocfs2_extend_trans(ctxt->handle, credits);
 				if (ret) {
 					mlog_errno(ret);
 					goto out;
@@ -4870,8 +4867,7 @@ static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle,
 	 * We need to update the first bucket of the old extent and all
 	 * the buckets going to the new extent.
 	 */
-	credits = ((num_buckets + 1) * blks_per_bucket) +
-		handle->h_buffer_credits;
+	credits = ((num_buckets + 1) * blks_per_bucket);
 	ret = ocfs2_extend_trans(handle, credits);
 	if (ret) {
 		mlog_errno(ret);
@@ -4941,7 +4937,7 @@ static int ocfs2_divide_xattr_cluster(struct inode *inode,
 				      u32 *first_hash)
 {
 	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-	int ret, credits = 2 * blk_per_bucket + handle->h_buffer_credits;
+	int ret, credits = 2 * blk_per_bucket;
 
 	BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize);
 
@@ -5181,8 +5177,7 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode,
 	 * existing bucket.  Then we add the last existing bucket, the
 	 * new bucket, and the first bucket (3 * blk_per_bucket).
 	 */
-	credits = (end_blk - target_blk) + (3 * blk_per_bucket) +
-		  handle->h_buffer_credits;
+	credits = (end_blk - target_blk) + (3 * blk_per_bucket);
 	ret = ocfs2_extend_trans(handle, credits);
 	if (ret) {
 		mlog_errno(ret);

From 0467ae954d1843de65e7cf8f706f88fe65cd8418 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Wed, 5 May 2010 16:25:08 -0700
Subject: [PATCH 0706/3638] ocfs2/dlm: Increase o2dlm lockres hash size

Lockres hash size of 16KB is far too small for large filesystems (where we
have hundreds of thousands of lock resources stored in the table).
This patch increases it to 128KB.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/dlm/dlmcommon.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 0102be35980..40115681d5b 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -37,7 +37,7 @@
 #define DLM_THREAD_SHUFFLE_INTERVAL    5     // flush everything every 5 passes
 #define DLM_THREAD_MS                  200   // flush at least every 200 ms
 
-#define DLM_HASH_SIZE_DEFAULT	(1 << 14)
+#define DLM_HASH_SIZE_DEFAULT	(1 << 17)
 #if DLM_HASH_SIZE_DEFAULT < PAGE_SIZE
 # define DLM_HASH_PAGES		1
 #else

From af7ad7a0a6c0c1d8497a25b6b8b3b2ce9f52ff04 Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Wed, 5 May 2010 10:17:25 +0200
Subject: [PATCH 0707/3638] UBI: init even if MTD device cannot be attached, if
 built into kernel

UBI can be built into the kernel or be compiled as a kernel module.
Further on the command line one can specify MTD devices to be attach to
UBI while loading. In the current implementation the UBI driver refuses
to load if one of the MTD devices cannot be attached.

Consider:
1) UBI compiled into the kernel and
2) a MTD device specified on the command line and
3) this MTD device contains bogus data (for whatever reason).

During init UBI tries to attach the MTD device is this fails the whole
UBI subsystem isn't initialized. Later the userspace cannot attach any
MTD to UBI because UBI isn't loaded.

This patch keeps the current behaviour: if UBI is compiled as a module
and a MTD device cannot be attached the UBI module cannot be loaded,
but changes it for the UBI-is-built-into-the-kernel usecase.

If UBI is builtin, a not attachable MTD device doen't stop UBI from
initializing. This slightly modifies the behaviour if multiple MTD
devices are specified on the command line. Now every MTD device is
probed and, if possible, attached, i.e. a faulty MTD device doesn't
stop the others from being attached.

Artem: tweaked the patch

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 drivers/mtd/ubi/build.c | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 3a59a1d0045..13b05cb33b0 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -49,6 +49,12 @@
 /* Maximum length of the 'mtd=' parameter */
 #define MTD_PARAM_LEN_MAX 64
 
+#ifdef CONFIG_MTD_UBI_MODULE
+#define ubi_is_module() 1
+#else
+#define ubi_is_module() 0
+#endif
+
 /**
  * struct mtd_dev_param - MTD device parameter description data structure.
  * @name: MTD character device node path, MTD device name, or MTD device number
@@ -1206,9 +1212,24 @@ static int __init ubi_init(void)
 					 p->vid_hdr_offs);
 		mutex_unlock(&ubi_devices_mutex);
 		if (err < 0) {
-			put_mtd_device(mtd);
 			ubi_err("cannot attach mtd%d", mtd->index);
-			goto out_detach;
+			put_mtd_device(mtd);
+
+			/*
+			 * Originally UBI stopped initializing on any error.
+			 * However, later on it was found out that this
+			 * behavior is not very good when UBI is compiled into
+			 * the kernel and the MTD devices to attach are passed
+			 * through the command line. Indeed, UBI failure
+			 * stopped whole boot sequence.
+			 *
+			 * To fix this, we changed the behavior for the
+			 * non-module case, but preserved the old behavior for
+			 * the module case, just for compatibility. This is a
+			 * little inconsistent, though.
+			 */
+			if (ubi_is_module())
+				goto out_detach;
 		}
 	}
 

From 7176441b95b4a04ad7cbac71d0d3614a7634d727 Mon Sep 17 00:00:00 2001
From: Valentin Longchamp <valentin.longchamp@epfl.ch>
Date: Wed, 5 May 2010 11:34:21 +0200
Subject: [PATCH 0708/3638] mx31smartbot: change the config of a gpio

Since it is finally used on the handbot as a configuration input for
the translator.

Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/mx31moboard-smartbot.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-mx3/mx31moboard-smartbot.c b/arch/arm/mach-mx3/mx31moboard-smartbot.c
index 52a69fc8b14..83d2b9f42ce 100644
--- a/arch/arm/mach-mx3/mx31moboard-smartbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-smartbot.c
@@ -119,7 +119,7 @@ static int __init smartbot_cam_init(void)
 #define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
 #define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
 #define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
-#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
+#define TRSLAT_SRC_CHOICE IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
 
 static void smartbot_resets_init(void)
 {
@@ -138,9 +138,9 @@ static void smartbot_resets_init(void)
 		gpio_export(TRSLAT_RST_B, false);
 	}
 
-	if (!gpio_request(SEL3, "sel3")) {
-		gpio_direction_input(SEL3);
-		gpio_export(SEL3, true);
+	if (!gpio_request(TRSLAT_SRC_CHOICE, "translator-src-choice")) {
+		gpio_direction_output(TRSLAT_SRC_CHOICE, 0);
+		gpio_export(TRSLAT_SRC_CHOICE, false);
 	}
 }
 /*

From f8b67691828321f5c85bb853283aa101ae673130 Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Wed, 28 Apr 2010 13:39:41 +0000
Subject: [PATCH 0709/3638] powerpc/pseries: Make query_cpu_stopped callable
 outside hotplug cpu

This moves query_cpu_stopped() out of the hotplug cpu code and into
smp.c so it can called in other places and renames it to
smp_query_cpu_stopped().

It also cleans up the return values by adding some #defines

Cc: <stable@kernel.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/hotplug-cpu.c  | 30 +++----------------
 .../platforms/pseries/plpar_wrappers.h        |  8 +++++
 arch/powerpc/platforms/pseries/smp.c          | 22 ++++++++++++++
 3 files changed, 34 insertions(+), 26 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index a8e1d5d17a2..b0760d7701b 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -154,30 +154,6 @@ static void pseries_mach_cpu_die(void)
 	for(;;);
 }
 
-static int qcss_tok;	/* query-cpu-stopped-state token */
-
-/* Get state of physical CPU.
- * Return codes:
- *	0	- The processor is in the RTAS stopped state
- *	1	- stop-self is in progress
- *	2	- The processor is not in the RTAS stopped state
- *	-1	- Hardware Error
- *	-2	- Hardware Busy, Try again later.
- */
-static int query_cpu_stopped(unsigned int pcpu)
-{
-	int cpu_status, status;
-
-	status = rtas_call(qcss_tok, 1, 2, &cpu_status, pcpu);
-	if (status != 0) {
-		printk(KERN_ERR
-		       "RTAS query-cpu-stopped-state failed: %i\n", status);
-		return status;
-	}
-
-	return cpu_status;
-}
-
 static int pseries_cpu_disable(void)
 {
 	int cpu = smp_processor_id();
@@ -224,8 +200,9 @@ static void pseries_cpu_die(unsigned int cpu)
 	} else if (get_preferred_offline_state(cpu) == CPU_STATE_OFFLINE) {
 
 		for (tries = 0; tries < 25; tries++) {
-			cpu_status = query_cpu_stopped(pcpu);
-			if (cpu_status == 0 || cpu_status == -1)
+			cpu_status = smp_query_cpu_stopped(pcpu);
+			if (cpu_status == QCSS_STOPPED ||
+			    cpu_status == QCSS_HARDWARE_ERROR)
 				break;
 			cpu_relax();
 		}
@@ -388,6 +365,7 @@ static int __init pseries_cpu_hotplug_init(void)
 	struct device_node *np;
 	const char *typep;
 	int cpu;
+	int qcss_tok;
 
 	for_each_node_by_name(np, "interrupt-controller") {
 		typep = of_get_property(np, "compatible", NULL);
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index a05f8d42785..6c4fd2c3f38 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -4,6 +4,14 @@
 #include <asm/hvcall.h>
 #include <asm/page.h>
 
+/* Get state of physical CPU from query_cpu_stopped */
+int smp_query_cpu_stopped(unsigned int pcpu);
+#define QCSS_STOPPED 0
+#define QCSS_STOPPING 1
+#define QCSS_NOT_STOPPED 2
+#define QCSS_HARDWARE_ERROR -1
+#define QCSS_HARDWARE_BUSY -2
+
 static inline long poll_pending(void)
 {
 	return plpar_hcall_norets(H_POLL_PENDING);
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 4e7f89a8456..20b694280a6 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -57,6 +57,28 @@
  */
 static cpumask_t of_spin_map;
 
+/* Query where a cpu is now.  Return codes #defined in plpar_wrappers.h */
+int smp_query_cpu_stopped(unsigned int pcpu)
+{
+	int cpu_status, status;
+	int qcss_tok = rtas_token("query-cpu-stopped-state");
+
+	if (qcss_tok == RTAS_UNKNOWN_SERVICE) {
+		printk(KERN_INFO "Firmware doesn't support "
+				"query-cpu-stopped-state\n");
+		return QCSS_HARDWARE_ERROR;
+	}
+
+	status = rtas_call(qcss_tok, 1, 2, &cpu_status, pcpu);
+	if (status != 0) {
+		printk(KERN_ERR
+		       "RTAS query-cpu-stopped-state failed: %i\n", status);
+		return status;
+	}
+
+	return cpu_status;
+}
+
 /**
  * smp_startup_cpu() - start the given cpu
  *

From aef40e87d866355ffd279ab21021de733242d0d5 Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Wed, 28 Apr 2010 13:39:41 +0000
Subject: [PATCH 0710/3638] powerpc/pseries: Only call start-cpu when a CPU is
 stopped

Currently we always call start-cpu irrespective of if the CPU is
stopped or not. Unfortunatley on POWER7, firmware seems to not like
start-cpu being called when a cpu already been started.  This was not
the case on POWER6 and earlier.

This patch checks to see if the CPU is stopped or not via an
query-cpu-stopped-state call, and only calls start-cpu on CPUs which
are stopped.

This fixes a bug with kexec on POWER7 on PHYP where only the primary
thread would make it to the second kernel.

Reported-by: Ankita Garg <ankita@linux.vnet.ibm.com>
Cc: <stable@kernel.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/smp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 20b694280a6..8979982eb2e 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -104,6 +104,12 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
 
 	pcpu = get_hard_smp_processor_id(lcpu);
 
+	/* Check to see if the CPU out of FW already for kexec */
+	if (smp_query_cpu_stopped(pcpu) == QCSS_NOT_STOPPED){
+		cpu_set(lcpu, of_spin_map);
+		return 1;
+	}
+
 	/* Fixup atomic count: it exited inside IRQ handler. */
 	task_thread_info(paca[lcpu].__current)->preempt_count	= 0;
 

From 75c1d539ea13117cbe95e2c343e52af67d735145 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 27 Apr 2010 21:22:55 +0000
Subject: [PATCH 0711/3638] powerpc: Fix CONFIG_DEBUG_PAGEALLOC on 603/e300

So we tried to speed things up a bit using flush_hash_pages() directly
but that falls over on 603 of course meaning we fail to flush the TLB
properly and we may even end up having it corrupt memory randomly by
accessing a hash table that doesn't exist.

This removes the "optimization" by always going through flush_tlb_page()
for now at least.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/pgtable_32.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 767b0cf17d3..9fc02dc72ce 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -393,11 +393,7 @@ static int __change_page_attr(struct page *page, pgprot_t prot)
 		return -EINVAL;
 	__set_pte_at(&init_mm, address, kpte, mk_pte(page, prot), 0);
 	wmb();
-#ifdef CONFIG_PPC_STD_MMU
-	flush_hash_pages(0, address, pmd_val(*kpmd), 1);
-#else
 	flush_tlb_page(NULL, address);
-#endif
 	pte_unmap(kpte);
 
 	return 0;

From 7cad19784950f947bf8b332b92d83c75788f897a Mon Sep 17 00:00:00 2001
From: Martyn Welch <martyn.welch@ge.com>
Date: Mon, 26 Apr 2010 22:50:21 +0000
Subject: [PATCH 0712/3638] powerpc: Correct parport interrupt parsing

Currently the parsing of the device tree in
arch/powerpc/include/asm/parport.h assumes that the interrupt provided in
the parallel port node is a valid virtual irq. The values for the
interrupts provided in the device tree should have meaning in the context
of the driver for the specific interrupt controller to which the interrupt
is connected and irq_of_parse_and_map() should be used to determine the
correct virtual irq.

Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/parport.h | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/parport.h b/arch/powerpc/include/asm/parport.h
index 94942d60ddf..1ca1102b4a2 100644
--- a/arch/powerpc/include/asm/parport.h
+++ b/arch/powerpc/include/asm/parport.h
@@ -19,6 +19,8 @@ static int __devinit parport_pc_find_nonpci_ports (int autoirq, int autodma)
 	u32 io1, io2;
 	int propsize;
 	int count = 0;
+	int virq;
+
 	for (np = NULL; (np = of_find_compatible_node(np,
 						      "parallel",
 						      "pnpPNP,400")) != NULL;) {
@@ -26,10 +28,13 @@ static int __devinit parport_pc_find_nonpci_ports (int autoirq, int autodma)
 		if (!prop || propsize > 6*sizeof(u32))
 			continue;
 		io1 = prop[1]; io2 = prop[2];
-		prop = of_get_property(np, "interrupts", NULL);
-		if (!prop)
+
+		virq = irq_of_parse_and_map(np, 0);
+		if (virq == NO_IRQ)
 			continue;
-		if (parport_pc_probe_port(io1, io2, prop[0], autodma, NULL, 0) != NULL)
+
+		if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0)
+				!= NULL)
 			count++;
 	}
 	return count;

From 8f85c0af2388d575a598d2695319ccb7e1b5523c Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 1 Apr 2010 14:16:59 +0000
Subject: [PATCH 0713/3638] i2c/mpc: Drop NO_IRQ

Drop NO_IRQ as 0 is the preferred way to describe 'no irq'
(http://lkml.org/lkml/2005/11/21/221). This change is safe, as the driver is
only used on powerpc, where NO_IRQ is 0 anyhow.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/i2c/busses/i2c-mpc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index f1321f76378..e86cef300c7 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -118,7 +118,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
 	u32 x;
 	int result = 0;
 
-	if (i2c->irq == NO_IRQ) {
+	if (!i2c->irq) {
 		while (!(readb(i2c->base + MPC_I2C_SR) & CSR_MIF)) {
 			schedule();
 			if (time_after(jiffies, orig_jiffies + timeout)) {
@@ -568,7 +568,7 @@ static int __devinit fsl_i2c_probe(struct of_device *op,
 	}
 
 	i2c->irq = irq_of_parse_and_map(op->node, 0);
-	if (i2c->irq != NO_IRQ) { /* i2c->irq = NO_IRQ implies polling */
+	if (i2c->irq) { /* no i2c->irq implies polling */
 		result = request_irq(i2c->irq, mpc_i2c_isr,
 				     IRQF_SHARED, "i2c-mpc", i2c);
 		if (result < 0) {
@@ -627,7 +627,7 @@ static int __devexit fsl_i2c_remove(struct of_device *op)
 	i2c_del_adapter(&i2c->adap);
 	dev_set_drvdata(&op->dev, NULL);
 
-	if (i2c->irq != NO_IRQ)
+	if (i2c->irq)
 		free_irq(i2c->irq, i2c);
 
 	irq_dispose_mapping(i2c->irq);

From 6889f959b35d79166f9fb65aaddca1badb809d8f Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 1 Apr 2010 14:17:00 +0000
Subject: [PATCH 0714/3638] i2c/cpm: Drop NO_IRQ

Drop NO_IRQ as 0 is the preferred way to describe 'no irq'
(http://lkml.org/lkml/2005/11/21/221). This change is safe, as the driver is
only used on powerpc, where NO_IRQ is 0 anyhow.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Jochen Friedrich <jochen@scram.de>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/i2c/busses/i2c-cpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 9c2e10082b7..16948db3897 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -441,7 +441,7 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)
 	init_waitqueue_head(&cpm->i2c_wait);
 
 	cpm->irq = of_irq_to_resource(ofdev->node, 0, NULL);
-	if (cpm->irq == NO_IRQ)
+	if (!cpm->irq)
 		return -EINVAL;
 
 	/* Install interrupt handler. */

From 13bb5339966d49942878a46b0a7fda0639d7db5f Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 1 Apr 2010 14:17:01 +0000
Subject: [PATCH 0715/3638] i2c/ibm-iic: Drop NO_IRQ

Drop NO_IRQ as 0 is the preferred way to describe 'no irq'
(http://lkml.org/lkml/2005/11/21/221). This change is safe, as the driver is
only used on powerpc, where NO_IRQ is 0 anyhow.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Sean MacLennan <smaclennan@pikatech.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/i2c/busses/i2c-ibm_iic.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index b1bc6e277d2..2bef534cbff 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -668,12 +668,12 @@ static int __devinit iic_request_irq(struct of_device *ofdev,
 	int irq;
 
 	if (iic_force_poll)
-		return NO_IRQ;
+		return 0;
 
 	irq = irq_of_parse_and_map(np, 0);
-	if (irq == NO_IRQ) {
+	if (!irq) {
 		dev_err(&ofdev->dev, "irq_of_parse_and_map failed\n");
-		return NO_IRQ;
+		return 0;
 	}
 
 	/* Disable interrupts until we finish initialization, assumes
@@ -683,7 +683,7 @@ static int __devinit iic_request_irq(struct of_device *ofdev,
 	if (request_irq(irq, iic_handler, 0, "IBM IIC", dev)) {
 		dev_err(&ofdev->dev, "request_irq %d failed\n", irq);
 		/* Fallback to the polling mode */
-		return NO_IRQ;
+		return 0;
 	}
 
 	return irq;
@@ -719,7 +719,7 @@ static int __devinit iic_probe(struct of_device *ofdev,
 	init_waitqueue_head(&dev->wq);
 
 	dev->irq = iic_request_irq(ofdev, dev);
-	if (dev->irq == NO_IRQ)
+	if (!dev->irq)
 		dev_warn(&ofdev->dev, "using polling mode\n");
 
 	/* Board specific settings */
@@ -766,7 +766,7 @@ static int __devinit iic_probe(struct of_device *ofdev,
 	return 0;
 
 error_cleanup:
-	if (dev->irq != NO_IRQ) {
+	if (dev->irq) {
 		iic_interrupt_mode(dev, 0);
 		free_irq(dev->irq, dev);
 	}
@@ -790,7 +790,7 @@ static int __devexit iic_remove(struct of_device *ofdev)
 
 	i2c_del_adapter(&dev->adap);
 
-	if (dev->irq != NO_IRQ) {
+	if (dev->irq) {
 		iic_interrupt_mode(dev, 0);
 		free_irq(dev->irq, dev);
 	}

From 91eea67c6d8704396a98226508c56a8501e141e3 Mon Sep 17 00:00:00 2001
From: Mark Nelson <markn@au1.ibm.com>
Date: Wed, 21 Apr 2010 16:21:03 +0000
Subject: [PATCH 0716/3638] powerpc/mm: Track backing pages allocated by
 vmemmap_populate()

We need to keep track of the backing pages that get allocated by
vmemmap_populate() so that when we use kdump, the dump-capture kernel knows
where these pages are.

We use a simple linked list of structures that contain the physical address
of the backing page and corresponding virtual address to track the backing
pages.
To save space, we just use a pointer to the next struct vmemmap_backing. We
can also do this because we never remove nodes.  We call the pointer "list"
to be compatible with changes made to the crash utility.

vmemmap_populate() is called either at boot-time or on a memory hotplug
operation. We don't have to worry about the boot-time calls because they
will be inherently single-threaded, and for a memory hotplug operation
vmemmap_populate() is called through:
sparse_add_one_section()
            |
            V
kmalloc_section_memmap()
            |
            V
sparse_mem_map_populate()
            |
            V
vmemmap_populate()
and in sparse_add_one_section() we're protected by pgdat_resize_lock().
So, we don't need a spinlock to protect the vmemmap_list.

We allocate space for the vmemmap_backing structs by allocating whole pages
in vmemmap_list_alloc() and then handing out chunks of this to
vmemmap_list_populate().

This means that we waste at most just under one page, but this keeps the code
is simple.

Signed-off-by: Mark Nelson <markn@au1.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/pgalloc-64.h |  6 ++++
 arch/powerpc/mm/init_64.c             | 43 +++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h
index 605f5c5398d..292725cec2e 100644
--- a/arch/powerpc/include/asm/pgalloc-64.h
+++ b/arch/powerpc/include/asm/pgalloc-64.h
@@ -11,6 +11,12 @@
 #include <linux/cpumask.h>
 #include <linux/percpu.h>
 
+struct vmemmap_backing {
+	struct vmemmap_backing *list;
+	unsigned long phys;
+	unsigned long virt_addr;
+};
+
 /*
  * Functions that deal with pagetables that could be at any level of
  * the table need to be passed an "index_size" so they know how to
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index d7fa50b09b4..e267f223fdf 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -252,6 +252,47 @@ static void __meminit vmemmap_create_mapping(unsigned long start,
 }
 #endif /* CONFIG_PPC_BOOK3E */
 
+struct vmemmap_backing *vmemmap_list;
+
+static __meminit struct vmemmap_backing * vmemmap_list_alloc(int node)
+{
+	static struct vmemmap_backing *next;
+	static int num_left;
+
+	/* allocate a page when required and hand out chunks */
+	if (!next || !num_left) {
+		next = vmemmap_alloc_block(PAGE_SIZE, node);
+		if (unlikely(!next)) {
+			WARN_ON(1);
+			return NULL;
+		}
+		num_left = PAGE_SIZE / sizeof(struct vmemmap_backing);
+	}
+
+	num_left--;
+
+	return next++;
+}
+
+static __meminit void vmemmap_list_populate(unsigned long phys,
+					    unsigned long start,
+					    int node)
+{
+	struct vmemmap_backing *vmem_back;
+
+	vmem_back = vmemmap_list_alloc(node);
+	if (unlikely(!vmem_back)) {
+		WARN_ON(1);
+		return;
+	}
+
+	vmem_back->phys = phys;
+	vmem_back->virt_addr = start;
+	vmem_back->list = vmemmap_list;
+
+	vmemmap_list = vmem_back;
+}
+
 int __meminit vmemmap_populate(struct page *start_page,
 			       unsigned long nr_pages, int node)
 {
@@ -276,6 +317,8 @@ int __meminit vmemmap_populate(struct page *start_page,
 		if (!p)
 			return -ENOMEM;
 
+		vmemmap_list_populate(__pa(p), start, node);
+
 		pr_debug("      * %016lx..%016lx allocated at %p\n",
 			 start, start + page_size, p);
 

From e460c2c91af44374cbfa3f1c70f5ca9bbf099aa9 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 6 May 2010 17:15:58 +1000
Subject: [PATCH 0717/3638] powerpc: Invoke oom-killer from page fault

As explained in commit 1c0fe6e3bd, we want to call the architecture independent
oom killer when getting an unexplained OOM from handle_mm_fault, rather than
simply killing current.

Cc: linuxppc-dev@ozlabs.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/fault.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 83ac4935eb1..1bd712c33ce 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -308,7 +308,6 @@ good_area:
 	 * make sure we exit gracefully rather than endlessly redo
 	 * the fault.
 	 */
- survive:
 	ret = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0);
 	if (unlikely(ret & VM_FAULT_ERROR)) {
 		if (ret & VM_FAULT_OOM)
@@ -360,15 +359,10 @@ bad_area_nosemaphore:
  */
 out_of_memory:
 	up_read(&mm->mmap_sem);
-	if (is_global_init(current)) {
-		yield();
-		down_read(&mm->mmap_sem);
-		goto survive;
-	}
-	printk("VM: killing process %s\n", current->comm);
-	if (user_mode(regs))
-		do_group_exit(SIGKILL);
-	return SIGKILL;
+	if (!user_mode(regs))
+		return SIGKILL;
+	pagefault_out_of_memory();
+	return 0;
 
 do_sigbus:
 	up_read(&mm->mmap_sem);

From 1b095cf4029f43db363981c0e5f02216e495ac9f Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:32 +0000
Subject: [PATCH 0718/3638] powerpc/cpumask: Use cpu_online_mask

Change &cpu_online_map to cpu_online_mask.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pasemi/cpufreq.c      | 2 +-
 arch/powerpc/platforms/powermac/cpufreq_64.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c
index d35e0520abf..c16537bc0c6 100644
--- a/arch/powerpc/platforms/pasemi/cpufreq.c
+++ b/arch/powerpc/platforms/pasemi/cpufreq.c
@@ -213,7 +213,7 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	pr_debug("current astate is at %d\n",cur_astate);
 
 	policy->cur = pas_freqs[cur_astate].frequency;
-	cpumask_copy(policy->cpus, &cpu_online_map);
+	cpumask_copy(policy->cpus, cpu_online_mask);
 
 	ppc_proc_freq = policy->cur * 1000ul;
 
diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c
index 3ca09d3ccce..9650c6029c8 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_64.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_64.c
@@ -362,7 +362,7 @@ static int g5_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	/* secondary CPUs are tied to the primary one by the
 	 * cpufreq core if in the secondary policy we tell it that
 	 * it actually must be one policy together with all others. */
-	cpumask_copy(policy->cpus, &cpu_online_map);
+	cpumask_copy(policy->cpus, cpu_online_mask);
 	cpufreq_frequency_table_get_attr(g5_cpu_freqs, policy->cpu);
 
 	return cpufreq_frequency_table_cpuinfo(policy,

From d5f86fe3457f48f27eecd40c605e7876d026af7c Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:33 +0000
Subject: [PATCH 0719/3638] powerpc/cpumask: Convert rtasd to new cpumask API

Use cpumask_first, cpumask_next in rtasd code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/rtasd.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c
index 4190eae7850..e907ca66f75 100644
--- a/arch/powerpc/kernel/rtasd.c
+++ b/arch/powerpc/kernel/rtasd.c
@@ -411,9 +411,9 @@ static void rtas_event_scan(struct work_struct *w)
 
 	get_online_cpus();
 
-	cpu = next_cpu(smp_processor_id(), cpu_online_map);
-	if (cpu == NR_CPUS) {
-		cpu = first_cpu(cpu_online_map);
+	cpu = cpumask_next(smp_processor_id(), cpu_online_mask);
+        if (cpu >= nr_cpu_ids) {
+		cpu = cpumask_first(cpu_online_mask);
 
 		if (first_pass) {
 			first_pass = 0;
@@ -466,8 +466,8 @@ static void start_event_scan(void)
 	/* Retreive errors from nvram if any */
 	retreive_nvram_error_log();
 
-	schedule_delayed_work_on(first_cpu(cpu_online_map), &event_scan_work,
-				 event_scan_delay);
+	schedule_delayed_work_on(cpumask_first(cpu_online_mask),
+				 &event_scan_work, event_scan_delay);
 }
 
 static int __init rtas_init(void)

From bfb9126defa80cbed6d91ed9685b238b0d7e81c4 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:34 +0000
Subject: [PATCH 0720/3638] powerpc/cpumask: Convert smp_cpus_done to new
 cpumask API

Use the new cpumask_* functions and dynamically allocate the cpumask in
smp_cpus_done.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/smp.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 3fe4de2b685..17523a0abf6 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -562,19 +562,22 @@ int setup_profiling_timer(unsigned int multiplier)
 
 void __init smp_cpus_done(unsigned int max_cpus)
 {
-	cpumask_t old_mask;
+	cpumask_var_t old_mask;
 
 	/* We want the setup_cpu() here to be called from CPU 0, but our
 	 * init thread may have been "borrowed" by another CPU in the meantime
 	 * se we pin us down to CPU 0 for a short while
 	 */
-	old_mask = current->cpus_allowed;
+	alloc_cpumask_var(&old_mask, GFP_NOWAIT);
+	cpumask_copy(old_mask, &current->cpus_allowed);
 	set_cpus_allowed_ptr(current, cpumask_of(boot_cpuid));
 	
 	if (smp_ops && smp_ops->setup_cpu)
 		smp_ops->setup_cpu(boot_cpuid);
 
-	set_cpus_allowed_ptr(current, &old_mask);
+	set_cpus_allowed_ptr(current, old_mask);
+
+	free_cpumask_var(old_mask);
 
 	snapshot_timebases();
 

From b6decb707952c678d110699abb5ed86d45ca6927 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:35 +0000
Subject: [PATCH 0721/3638] powerpc/cpumask: Convert fixup_irqs to new cpumask
 API

Use new cpumask_* functions, and dynamically allocate cpumask in fixup_irqs.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/smp.h |  2 +-
 arch/powerpc/kernel/irq.c      | 17 ++++++++++-------
 arch/powerpc/kernel/smp.c      |  4 ++--
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index 1d3b270d308..4d332296c40 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -40,7 +40,7 @@ extern void smp_message_recv(int);
 DECLARE_PER_CPU(unsigned int, cpu_pvr);
 
 #ifdef CONFIG_HOTPLUG_CPU
-extern void fixup_irqs(cpumask_t map);
+extern void fixup_irqs(const struct cpumask *map);
 int generic_cpu_disable(void);
 int generic_cpu_enable(unsigned int cpu);
 void generic_cpu_die(unsigned int cpu);
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 64f6f2031c2..250ee2ebf28 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -290,30 +290,33 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
-void fixup_irqs(cpumask_t map)
+void fixup_irqs(const struct cpumask *map)
 {
 	struct irq_desc *desc;
 	unsigned int irq;
 	static int warned;
+	cpumask_var_t mask;
+
+	alloc_cpumask_var(&mask, GFP_KERNEL);
 
 	for_each_irq(irq) {
-		cpumask_t mask;
-
 		desc = irq_to_desc(irq);
 		if (desc && desc->status & IRQ_PER_CPU)
 			continue;
 
-		cpumask_and(&mask, desc->affinity, &map);
-		if (any_online_cpu(mask) == NR_CPUS) {
+		cpumask_and(mask, desc->affinity, map);
+		if (cpumask_any(mask) >= nr_cpu_ids) {
 			printk("Breaking affinity for irq %i\n", irq);
-			mask = map;
+			cpumask_copy(mask, map);
 		}
 		if (desc->chip->set_affinity)
-			desc->chip->set_affinity(irq, &mask);
+			desc->chip->set_affinity(irq, mask);
 		else if (desc->action && !(warned++))
 			printk("Cannot set affinity for irq %i\n", irq);
 	}
 
+	free_cpumask_var(mask);
+
 	local_irq_enable();
 	mdelay(1);
 	local_irq_disable();
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 17523a0abf6..62e82c25c58 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -313,7 +313,7 @@ int generic_cpu_disable(void)
 	set_cpu_online(cpu, false);
 #ifdef CONFIG_PPC64
 	vdso_data->processorCount--;
-	fixup_irqs(cpu_online_map);
+	fixup_irqs(cpu_online_mask);
 #endif
 	return 0;
 }
@@ -333,7 +333,7 @@ int generic_cpu_enable(unsigned int cpu)
 		cpu_relax();
 
 #ifdef CONFIG_PPC64
-	fixup_irqs(cpu_online_map);
+	fixup_irqs(cpu_online_mask);
 	/* counter the irq disable in fixup_irqs */
 	local_irq_enable();
 #endif

From 115731312fb3207705023e3ff247d1b9d039838d Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:36 +0000
Subject: [PATCH 0722/3638] powerpc/cpumask: Convert iseries SMP code to new
 cpumask API

Use new cpumask functions in iseries SMP startup code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/iseries/smp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c
index 722335e32fd..6590850045a 100644
--- a/arch/powerpc/platforms/iseries/smp.c
+++ b/arch/powerpc/platforms/iseries/smp.c
@@ -83,7 +83,7 @@ static void smp_iSeries_message_pass(int target, int msg)
 
 static int smp_iSeries_probe(void)
 {
-	return cpus_weight(cpu_possible_map);
+	return cpumask_weight(cpu_possible_mask);
 }
 
 static void smp_iSeries_kick_cpu(int nr)

From af831e1e44619a7429eba8ece4eba8f977ee7c4f Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:37 +0000
Subject: [PATCH 0723/3638] powerpc/cpumask: Convert pseries SMP code to new
 cpumask API

Use new cpumask functions in pseries SMP startup code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/smp.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 8979982eb2e..3b1bf61c45b 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -55,7 +55,7 @@
  * The Primary thread of each non-boot processor was started from the OF client
  * interface by prom_hold_cpus and is spinning on secondary_hold_spinloop.
  */
-static cpumask_t of_spin_map;
+static cpumask_var_t of_spin_mask;
 
 /* Query where a cpu is now.  Return codes #defined in plpar_wrappers.h */
 int smp_query_cpu_stopped(unsigned int pcpu)
@@ -98,7 +98,7 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
 	unsigned int pcpu;
 	int start_cpu;
 
-	if (cpu_isset(lcpu, of_spin_map))
+	if (cpumask_test_cpu(lcpu, of_spin_mask))
 		/* Already started by OF and sitting in spin loop */
 		return 1;
 
@@ -106,7 +106,7 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
 
 	/* Check to see if the CPU out of FW already for kexec */
 	if (smp_query_cpu_stopped(pcpu) == QCSS_NOT_STOPPED){
-		cpu_set(lcpu, of_spin_map);
+		cpumask_set_cpu(lcpu, of_spin_mask);
 		return 1;
 	}
 
@@ -143,7 +143,7 @@ static void __devinit smp_xics_setup_cpu(int cpu)
 	if (firmware_has_feature(FW_FEATURE_SPLPAR))
 		vpa_init(cpu);
 
-	cpu_clear(cpu, of_spin_map);
+	cpumask_clear_cpu(cpu, of_spin_mask);
 	set_cpu_current_state(cpu, CPU_STATE_ONLINE);
 	set_default_offline_state(cpu);
 
@@ -214,17 +214,19 @@ static void __init smp_init_pseries(void)
 
 	pr_debug(" -> smp_init_pSeries()\n");
 
+	alloc_bootmem_cpumask_var(&of_spin_mask);
+
 	/* Mark threads which are still spinning in hold loops. */
 	if (cpu_has_feature(CPU_FTR_SMT)) {
 		for_each_present_cpu(i) { 
 			if (cpu_thread_in_core(i) == 0)
-				cpu_set(i, of_spin_map);
+				cpumask_set_cpu(i, of_spin_mask);
 		}
 	} else {
-		of_spin_map = cpu_present_map;
+		cpumask_copy(of_spin_mask, cpu_present_mask);
 	}
 
-	cpu_clear(boot_cpuid, of_spin_map);
+	cpumask_clear_cpu(boot_cpuid, of_spin_mask);
 
 	/* Non-lpar has additional take/give timebase */
 	if (rtas_token("freeze-time-base") != RTAS_UNKNOWN_SERVICE) {

From 64fe220c13440a12d0bd8e32ebdf679e869e3ce3 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:38 +0000
Subject: [PATCH 0724/3638] powerpc/cpumask: Convert xics driver to new cpumask
 API

Use the new cpumask API and add some comments to clarify how get_irq_server
works.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/xics.c | 38 +++++++++++++++------------
 1 file changed, 21 insertions(+), 17 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 1bcedd8b461..f19d1946839 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -163,29 +163,37 @@ static inline void lpar_qirr_info(int n_cpu , u8 value)
 /* Interface to generic irq subsystem */
 
 #ifdef CONFIG_SMP
-static int get_irq_server(unsigned int virq, cpumask_t cpumask,
+/*
+ * For the moment we only implement delivery to all cpus or one cpu.
+ *
+ * If the requested affinity is cpu_all_mask, we set global affinity.
+ * If not we set it to the first cpu in the mask, even if multiple cpus
+ * are set. This is so things like irqbalance (which set core and package
+ * wide affinities) do the right thing.
+ */
+static int get_irq_server(unsigned int virq, const struct cpumask *cpumask,
 			  unsigned int strict_check)
 {
-	int server;
-	/* For the moment only implement delivery to all cpus or one cpu */
-	cpumask_t tmp = CPU_MASK_NONE;
 
 	if (!distribute_irqs)
 		return default_server;
 
-	if (!cpus_equal(cpumask, CPU_MASK_ALL)) {
-		cpus_and(tmp, cpu_online_map, cpumask);
+	if (!cpumask_equal(cpumask, cpu_all_mask)) {
+		int server = cpumask_first_and(cpu_online_mask, cpumask);
 
-		server = first_cpu(tmp);
-
-		if (server < NR_CPUS)
+		if (server < nr_cpu_ids)
 			return get_hard_smp_processor_id(server);
 
 		if (strict_check)
 			return -1;
 	}
 
-	if (cpus_equal(cpu_online_map, cpu_present_map))
+	/*
+	 * Workaround issue with some versions of JS20 firmware that
+	 * deliver interrupts to cpus which haven't been started. This
+	 * happens when using the maxcpus= boot option.
+	 */
+	if (cpumask_equal(cpu_online_mask, cpu_present_mask))
 		return default_distrib_server;
 
 	return default_server;
@@ -207,7 +215,7 @@ static void xics_unmask_irq(unsigned int virq)
 	if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
 		return;
 
-	server = get_irq_server(virq, *(irq_to_desc(virq)->affinity), 0);
+	server = get_irq_server(virq, irq_to_desc(virq)->affinity, 0);
 
 	call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server,
 				DEFAULT_PRIORITY);
@@ -398,11 +406,7 @@ static int xics_set_affinity(unsigned int virq, const struct cpumask *cpumask)
 		return -1;
 	}
 
-	/*
-	 * For the moment only implement delivery to all cpus or one cpu.
-	 * Get current irq_server for the given irq
-	 */
-	irq_server = get_irq_server(virq, *cpumask, 1);
+	irq_server = get_irq_server(virq, cpumask, 1);
 	if (irq_server == -1) {
 		char cpulist[128];
 		cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask);
@@ -611,7 +615,7 @@ int __init smp_xics_probe(void)
 {
 	xics_request_ipi();
 
-	return cpus_weight(cpu_possible_map);
+	return cpumask_weight(cpu_possible_mask);
 }
 
 #endif /* CONFIG_SMP */

From 2c2df038450cbf628426183c9efffc17cfea3406 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:39 +0000
Subject: [PATCH 0725/3638] powerpc/cpumask: Refactor /proc/cpuinfo code

This separates the per cpu output from the summary output at the end of the
file, making it easier to convert to the new cpumask API in a subsequent
patch.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/setup-common.c | 62 ++++++++++++++++--------------
 1 file changed, 33 insertions(+), 29 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 48f0a008b20..58699a43eaa 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -161,6 +161,38 @@ extern u32 cpu_temp_both(unsigned long cpu);
 DEFINE_PER_CPU(unsigned int, cpu_pvr);
 #endif
 
+static void show_cpuinfo_summary(struct seq_file *m)
+{
+	struct device_node *root;
+	const char *model = NULL;
+#if defined(CONFIG_SMP) && defined(CONFIG_PPC32)
+	unsigned long bogosum = 0;
+	int i;
+	for_each_online_cpu(i)
+		bogosum += loops_per_jiffy;
+	seq_printf(m, "total bogomips\t: %lu.%02lu\n",
+		   bogosum/(500000/HZ), bogosum/(5000/HZ) % 100);
+#endif /* CONFIG_SMP && CONFIG_PPC32 */
+	seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
+	if (ppc_md.name)
+		seq_printf(m, "platform\t: %s\n", ppc_md.name);
+	root = of_find_node_by_path("/");
+	if (root)
+		model = of_get_property(root, "model", NULL);
+	if (model)
+		seq_printf(m, "model\t\t: %s\n", model);
+	of_node_put(root);
+
+	if (ppc_md.show_cpuinfo != NULL)
+		ppc_md.show_cpuinfo(m);
+
+#ifdef CONFIG_PPC32
+	/* Display the amount of memory */
+	seq_printf(m, "Memory\t\t: %d MB\n",
+		   (unsigned int)(total_memory / (1024 * 1024)));
+#endif
+}
+
 static int show_cpuinfo(struct seq_file *m, void *v)
 {
 	unsigned long cpu_id = (unsigned long)v - 1;
@@ -169,35 +201,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	unsigned short min;
 
 	if (cpu_id == NR_CPUS) {
-		struct device_node *root;
-		const char *model = NULL;
-#if defined(CONFIG_SMP) && defined(CONFIG_PPC32)
-		unsigned long bogosum = 0;
-		int i;
-		for_each_online_cpu(i)
-			bogosum += loops_per_jiffy;
-		seq_printf(m, "total bogomips\t: %lu.%02lu\n",
-			   bogosum/(500000/HZ), bogosum/(5000/HZ) % 100);
-#endif /* CONFIG_SMP && CONFIG_PPC32 */
-		seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
-		if (ppc_md.name)
-			seq_printf(m, "platform\t: %s\n", ppc_md.name);
-		root = of_find_node_by_path("/");
-		if (root)
-			model = of_get_property(root, "model", NULL);
-		if (model)
-			seq_printf(m, "model\t\t: %s\n", model);
-		of_node_put(root);
-
-		if (ppc_md.show_cpuinfo != NULL)
-			ppc_md.show_cpuinfo(m);
-
-#ifdef CONFIG_PPC32
-		/* Display the amount of memory */
-		seq_printf(m, "Memory\t\t: %d MB\n",
-			   (unsigned int)(total_memory / (1024 * 1024)));
-#endif
-
+		show_cpuinfo_summary(m);
 		return 0;
 	}
 

From e6532c63cc3dbefc79936fc9c9c68a151004fe46 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:40 +0000
Subject: [PATCH 0726/3638] powerpc/cpumask: Convert /proc/cpuinfo to new
 cpumask API

Use new cpumask API in /proc/cpuinfo code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/setup-common.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 58699a43eaa..8dcec47a7b3 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -200,11 +200,6 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	unsigned short maj;
 	unsigned short min;
 
-	if (cpu_id == NR_CPUS) {
-		show_cpuinfo_summary(m);
-		return 0;
-	}
-
 	/* We only show online cpus: disable preempt (overzealous, I
 	 * knew) to prevent cpu going down. */
 	preempt_disable();
@@ -312,19 +307,28 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 #endif
 
 	preempt_enable();
+
+	/* If this is the last cpu, print the summary */
+	if (cpumask_next(cpu_id, cpu_online_mask) >= nr_cpu_ids)
+		show_cpuinfo_summary(m);
+
 	return 0;
 }
 
 static void *c_start(struct seq_file *m, loff_t *pos)
 {
-	unsigned long i = *pos;
-
-	return i <= NR_CPUS ? (void *)(i + 1) : NULL;
+	if (*pos == 0)	/* just in case, cpu 0 is not the first */
+		*pos = cpumask_first(cpu_online_mask);
+	else
+		*pos = cpumask_next(*pos - 1, cpu_online_mask);
+	if ((*pos) < nr_cpu_ids)
+		return (void *)(unsigned long)(*pos + 1);
+	return NULL;
 }
 
 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
 {
-	++*pos;
+	(*pos)++;
 	return c_start(m, pos);
 }
 

From cc1ba8ea6dde3f049b2b365d8fdc13976aee25cb Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:41 +0000
Subject: [PATCH 0727/3638] powerpc/cpumask: Dynamically allocate
 cpu_sibling_map and cpu_core_map cpumasks

Dynamically allocate cpu_sibling_map and cpu_core_map cpumasks.

We don't need to set_cpu_online() the boot cpu in smp_prepare_boot_cpu,
init/main.c does it for us.

We also postpone setting of the boot cpu in cpu_sibling_map and cpu_core_map
until when the memory allocator is available (smp_prepare_cpus), similar
to x86.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/smp.h            | 16 +++++++--
 arch/powerpc/include/asm/topology.h       |  4 +--
 arch/powerpc/kernel/smp.c                 | 42 +++++++++++++----------
 arch/powerpc/platforms/cell/cbe_cpufreq.c |  2 +-
 4 files changed, 40 insertions(+), 24 deletions(-)

diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index 4d332296c40..66e237bbe15 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -68,8 +68,19 @@ static inline void set_hard_smp_processor_id(int cpu, int phys)
 }
 #endif
 
-DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
-DECLARE_PER_CPU(cpumask_t, cpu_core_map);
+DECLARE_PER_CPU(cpumask_var_t, cpu_sibling_map);
+DECLARE_PER_CPU(cpumask_var_t, cpu_core_map);
+
+static inline struct cpumask *cpu_sibling_mask(int cpu)
+{
+	return per_cpu(cpu_sibling_map, cpu);
+}
+
+static inline struct cpumask *cpu_core_mask(int cpu)
+{
+	return per_cpu(cpu_core_map, cpu);
+}
+
 extern int cpu_to_core_id(int cpu);
 
 /* Since OpenPIC has only 4 IPIs, we use slightly different message numbers.
@@ -93,7 +104,6 @@ void smp_init_pSeries(void);
 void smp_init_cell(void);
 void smp_init_celleb(void);
 void smp_setup_cpu_maps(void);
-void smp_setup_cpu_sibling_map(void);
 
 extern int __cpu_disable(void);
 extern void __cpu_die(unsigned int cpu);
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index a7d76949155..789599b6996 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -112,8 +112,8 @@ static inline void sysfs_remove_device_from_node(struct sys_device *dev,
 #ifdef CONFIG_PPC64
 #include <asm/smp.h>
 
-#define topology_thread_cpumask(cpu)	(&per_cpu(cpu_sibling_map, cpu))
-#define topology_core_cpumask(cpu)	(&per_cpu(cpu_core_map, cpu))
+#define topology_thread_cpumask(cpu)	(per_cpu(cpu_sibling_map, cpu))
+#define topology_core_cpumask(cpu)	(per_cpu(cpu_core_map, cpu))
 #define topology_core_id(cpu)		(cpu_to_core_id(cpu))
 #endif
 #endif
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 62e82c25c58..39babb1e2ce 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -59,8 +59,8 @@
 
 struct thread_info *secondary_ti;
 
-DEFINE_PER_CPU(cpumask_t, cpu_sibling_map) = CPU_MASK_NONE;
-DEFINE_PER_CPU(cpumask_t, cpu_core_map) = CPU_MASK_NONE;
+DEFINE_PER_CPU(cpumask_var_t, cpu_sibling_map);
+DEFINE_PER_CPU(cpumask_var_t, cpu_core_map);
 
 EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);
 EXPORT_PER_CPU_SYMBOL(cpu_core_map);
@@ -271,6 +271,16 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	smp_store_cpu_info(boot_cpuid);
 	cpu_callin_map[boot_cpuid] = 1;
 
+	for_each_possible_cpu(cpu) {
+		zalloc_cpumask_var_node(&per_cpu(cpu_sibling_map, cpu),
+					GFP_KERNEL, cpu_to_node(cpu));
+		zalloc_cpumask_var_node(&per_cpu(cpu_core_map, cpu),
+					GFP_KERNEL, cpu_to_node(cpu));
+	}
+
+	cpumask_set_cpu(boot_cpuid, cpu_sibling_mask(boot_cpuid));
+	cpumask_set_cpu(boot_cpuid, cpu_core_mask(boot_cpuid));
+
 	if (smp_ops)
 		if (smp_ops->probe)
 			max_cpus = smp_ops->probe();
@@ -289,10 +299,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 void __devinit smp_prepare_boot_cpu(void)
 {
 	BUG_ON(smp_processor_id() != boot_cpuid);
-
-	set_cpu_online(boot_cpuid, true);
-	cpu_set(boot_cpuid, per_cpu(cpu_sibling_map, boot_cpuid));
-	cpu_set(boot_cpuid, per_cpu(cpu_core_map, boot_cpuid));
 #ifdef CONFIG_PPC64
 	paca[boot_cpuid].__current = current;
 #endif
@@ -525,15 +531,15 @@ int __devinit start_secondary(void *unused)
 	for (i = 0; i < threads_per_core; i++) {
 		if (cpu_is_offline(base + i))
 			continue;
-		cpu_set(cpu, per_cpu(cpu_sibling_map, base + i));
-		cpu_set(base + i, per_cpu(cpu_sibling_map, cpu));
+		cpumask_set_cpu(cpu, cpu_sibling_mask(base + i));
+		cpumask_set_cpu(base + i, cpu_sibling_mask(cpu));
 
 		/* cpu_core_map should be a superset of
 		 * cpu_sibling_map even if we don't have cache
 		 * information, so update the former here, too.
 		 */
-		cpu_set(cpu, per_cpu(cpu_core_map, base +i));
-		cpu_set(base + i, per_cpu(cpu_core_map, cpu));
+		cpumask_set_cpu(cpu, cpu_core_mask(base + i));
+		cpumask_set_cpu(base + i, cpu_core_mask(cpu));
 	}
 	l2_cache = cpu_to_l2cache(cpu);
 	for_each_online_cpu(i) {
@@ -541,8 +547,8 @@ int __devinit start_secondary(void *unused)
 		if (!np)
 			continue;
 		if (np == l2_cache) {
-			cpu_set(cpu, per_cpu(cpu_core_map, i));
-			cpu_set(i, per_cpu(cpu_core_map, cpu));
+			cpumask_set_cpu(cpu, cpu_core_mask(i));
+			cpumask_set_cpu(i, cpu_core_mask(cpu));
 		}
 		of_node_put(np);
 	}
@@ -602,10 +608,10 @@ int __cpu_disable(void)
 	/* Update sibling maps */
 	base = cpu_first_thread_in_core(cpu);
 	for (i = 0; i < threads_per_core; i++) {
-		cpu_clear(cpu, per_cpu(cpu_sibling_map, base + i));
-		cpu_clear(base + i, per_cpu(cpu_sibling_map, cpu));
-		cpu_clear(cpu, per_cpu(cpu_core_map, base +i));
-		cpu_clear(base + i, per_cpu(cpu_core_map, cpu));
+		cpumask_clear_cpu(cpu, cpu_sibling_mask(base + i));
+		cpumask_clear_cpu(base + i, cpu_sibling_mask(cpu));
+		cpumask_clear_cpu(cpu, cpu_core_mask(base + i));
+		cpumask_clear_cpu(base + i, cpu_core_mask(cpu));
 	}
 
 	l2_cache = cpu_to_l2cache(cpu);
@@ -614,8 +620,8 @@ int __cpu_disable(void)
 		if (!np)
 			continue;
 		if (np == l2_cache) {
-			cpu_clear(cpu, per_cpu(cpu_core_map, i));
-			cpu_clear(i, per_cpu(cpu_core_map, cpu));
+			cpumask_clear_cpu(cpu, cpu_core_mask(i));
+			cpumask_clear_cpu(i, cpu_core_mask(cpu));
 		}
 		of_node_put(np);
 	}
diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq.c b/arch/powerpc/platforms/cell/cbe_cpufreq.c
index e6506cd0ff9..bfa2c0cb3d1 100644
--- a/arch/powerpc/platforms/cell/cbe_cpufreq.c
+++ b/arch/powerpc/platforms/cell/cbe_cpufreq.c
@@ -118,7 +118,7 @@ static int cbe_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	policy->cur = cbe_freqs[cur_pmode].frequency;
 
 #ifdef CONFIG_SMP
-	cpumask_copy(policy->cpus, &per_cpu(cpu_sibling_map, policy->cpu));
+	cpumask_copy(policy->cpus, cpu_sibling_mask(policy->cpu));
 #endif
 
 	cpufreq_frequency_table_get_attr(cbe_freqs, policy->cpu);

From 8729faaa5e87557876c02f1665d517e2b41299f1 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:42 +0000
Subject: [PATCH 0728/3638] powerpc/cpumask: Convert hotplug-cpu code to new
 cpumask API

Convert hotplug-cpu code to new cpumask API.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/hotplug-cpu.c | 33 +++++++++++---------
 1 file changed, 19 insertions(+), 14 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index b0760d7701b..235f363f732 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -163,7 +163,7 @@ static int pseries_cpu_disable(void)
 
 	/*fix boot_cpuid here*/
 	if (cpu == boot_cpuid)
-		boot_cpuid = any_online_cpu(cpu_online_map);
+		boot_cpuid = cpumask_any(cpu_online_mask);
 
 	/* FIXME: abstract this to not be platform specific later on */
 	xics_migrate_irqs_away();
@@ -231,7 +231,7 @@ static void pseries_cpu_die(unsigned int cpu)
 static int pseries_add_processor(struct device_node *np)
 {
 	unsigned int cpu;
-	cpumask_t candidate_map, tmp = CPU_MASK_NONE;
+	cpumask_var_t candidate_mask, tmp;
 	int err = -ENOSPC, len, nthreads, i;
 	const u32 *intserv;
 
@@ -239,48 +239,53 @@ static int pseries_add_processor(struct device_node *np)
 	if (!intserv)
 		return 0;
 
+	zalloc_cpumask_var(&candidate_mask, GFP_KERNEL);
+	zalloc_cpumask_var(&tmp, GFP_KERNEL);
+
 	nthreads = len / sizeof(u32);
 	for (i = 0; i < nthreads; i++)
-		cpu_set(i, tmp);
+		cpumask_set_cpu(i, tmp);
 
 	cpu_maps_update_begin();
 
-	BUG_ON(!cpus_subset(cpu_present_map, cpu_possible_map));
+	BUG_ON(!cpumask_subset(cpu_present_mask, cpu_possible_mask));
 
 	/* Get a bitmap of unoccupied slots. */
-	cpus_xor(candidate_map, cpu_possible_map, cpu_present_map);
-	if (cpus_empty(candidate_map)) {
+	cpumask_xor(candidate_mask, cpu_possible_mask, cpu_present_mask);
+	if (cpumask_empty(candidate_mask)) {
 		/* If we get here, it most likely means that NR_CPUS is
 		 * less than the partition's max processors setting.
 		 */
 		printk(KERN_ERR "Cannot add cpu %s; this system configuration"
 		       " supports %d logical cpus.\n", np->full_name,
-		       cpus_weight(cpu_possible_map));
+		       cpumask_weight(cpu_possible_mask));
 		goto out_unlock;
 	}
 
-	while (!cpus_empty(tmp))
-		if (cpus_subset(tmp, candidate_map))
+	while (!cpumask_empty(tmp))
+		if (cpumask_subset(tmp, candidate_mask))
 			/* Found a range where we can insert the new cpu(s) */
 			break;
 		else
-			cpus_shift_left(tmp, tmp, nthreads);
+			cpumask_shift_left(tmp, tmp, nthreads);
 
-	if (cpus_empty(tmp)) {
+	if (cpumask_empty(tmp)) {
 		printk(KERN_ERR "Unable to find space in cpu_present_map for"
 		       " processor %s with %d thread(s)\n", np->name,
 		       nthreads);
 		goto out_unlock;
 	}
 
-	for_each_cpu_mask(cpu, tmp) {
-		BUG_ON(cpu_isset(cpu, cpu_present_map));
+	for_each_cpu(cpu, tmp) {
+		BUG_ON(cpumask_test_cpu(cpu, cpu_present_mask));
 		set_cpu_present(cpu, true);
 		set_hard_smp_processor_id(cpu, *intserv++);
 	}
 	err = 0;
 out_unlock:
 	cpu_maps_update_done();
+	free_cpumask_var(candidate_mask);
+	free_cpumask_var(tmp);
 	return err;
 }
 
@@ -311,7 +316,7 @@ static void pseries_remove_processor(struct device_node *np)
 			set_hard_smp_processor_id(cpu, -1);
 			break;
 		}
-		if (cpu == NR_CPUS)
+		if (cpu >= nr_cpu_ids)
 			printk(KERN_WARNING "Could not find cpu to remove "
 			       "with physical id 0x%x\n", intserv[i]);
 	}

From 25863de07af9cb90e6365cc8216bdd17f2394515 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:43 +0000
Subject: [PATCH 0729/3638] powerpc/cpumask: Convert NUMA code to new cpumask
 API

Convert NUMA code to new cpumask API. We shift the node to cpumask
setup code until after we complete bootmem allocation so we can
dynamically allocate the cpumasks.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/mmzone.h   |  2 +-
 arch/powerpc/include/asm/topology.h |  2 +-
 arch/powerpc/mm/numa.c              | 58 ++++++++++++++++++++++-------
 3 files changed, 47 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h
index 35acac90c8c..aac87cbceb5 100644
--- a/arch/powerpc/include/asm/mmzone.h
+++ b/arch/powerpc/include/asm/mmzone.h
@@ -30,7 +30,7 @@ extern struct pglist_data *node_data[];
  */
 
 extern int numa_cpu_lookup_table[];
-extern cpumask_t numa_cpumask_lookup_table[];
+extern cpumask_var_t node_to_cpumask_map[];
 #ifdef CONFIG_MEMORY_HOTPLUG
 extern unsigned long max_pfn;
 #endif
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 789599b6996..84ad11f65dc 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -29,7 +29,7 @@ static inline int cpu_to_node(int cpu)
 
 #define cpumask_of_node(node) ((node) == -1 ?				\
 			       cpu_all_mask :				\
-			       &numa_cpumask_lookup_table[node])
+			       node_to_cpumask_map[node])
 
 int of_node_to_nid(struct device_node *device);
 
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 64c00227b99..d68491b31e3 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -33,16 +33,41 @@ static int numa_debug;
 #define dbg(args...) if (numa_debug) { printk(KERN_INFO args); }
 
 int numa_cpu_lookup_table[NR_CPUS];
-cpumask_t numa_cpumask_lookup_table[MAX_NUMNODES];
+cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
 struct pglist_data *node_data[MAX_NUMNODES];
 
 EXPORT_SYMBOL(numa_cpu_lookup_table);
-EXPORT_SYMBOL(numa_cpumask_lookup_table);
+EXPORT_SYMBOL(node_to_cpumask_map);
 EXPORT_SYMBOL(node_data);
 
 static int min_common_depth;
 static int n_mem_addr_cells, n_mem_size_cells;
 
+/*
+ * Allocate node_to_cpumask_map based on number of available nodes
+ * Requires node_possible_map to be valid.
+ *
+ * Note: node_to_cpumask() is not valid until after this is done.
+ */
+static void __init setup_node_to_cpumask_map(void)
+{
+	unsigned int node, num = 0;
+
+	/* setup nr_node_ids if not done yet */
+	if (nr_node_ids == MAX_NUMNODES) {
+		for_each_node_mask(node, node_possible_map)
+			num = node;
+		nr_node_ids = num + 1;
+	}
+
+	/* allocate the map */
+	for (node = 0; node < nr_node_ids; node++)
+		alloc_bootmem_cpumask_var(&node_to_cpumask_map[node]);
+
+	/* cpumask_of_node() will now work */
+	dbg("Node to cpumask map for %d nodes\n", nr_node_ids);
+}
+
 static int __cpuinit fake_numa_create_new_node(unsigned long end_pfn,
 						unsigned int *nid)
 {
@@ -138,8 +163,8 @@ static void __cpuinit map_cpu_to_node(int cpu, int node)
 
 	dbg("adding cpu %d to node %d\n", cpu, node);
 
-	if (!(cpu_isset(cpu, numa_cpumask_lookup_table[node])))
-		cpu_set(cpu, numa_cpumask_lookup_table[node]);
+	if (!(cpumask_test_cpu(cpu, node_to_cpumask_map[node])))
+		cpumask_set_cpu(cpu, node_to_cpumask_map[node]);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -149,8 +174,8 @@ static void unmap_cpu_from_node(unsigned long cpu)
 
 	dbg("removing cpu %lu from node %d\n", cpu, node);
 
-	if (cpu_isset(cpu, numa_cpumask_lookup_table[node])) {
-		cpu_clear(cpu, numa_cpumask_lookup_table[node]);
+	if (cpumask_test_cpu(cpu, node_to_cpumask_map[node])) {
+		cpumask_set_cpu(cpu, node_to_cpumask_map[node]);
 	} else {
 		printk(KERN_ERR "WARNING: cpu %lu not found in node %d\n",
 		       cpu, node);
@@ -737,8 +762,9 @@ void __init dump_numa_cpu_topology(void)
 		 * If we used a CPU iterator here we would miss printing
 		 * the holes in the cpumap.
 		 */
-		for (cpu = 0; cpu < NR_CPUS; cpu++) {
-			if (cpu_isset(cpu, numa_cpumask_lookup_table[node])) {
+		for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
+			if (cpumask_test_cpu(cpu,
+					node_to_cpumask_map[node])) {
 				if (count == 0)
 					printk(" %u", cpu);
 				++count;
@@ -750,7 +776,7 @@ void __init dump_numa_cpu_topology(void)
 		}
 
 		if (count > 1)
-			printk("-%u", NR_CPUS - 1);
+			printk("-%u", nr_cpu_ids - 1);
 		printk("\n");
 	}
 }
@@ -926,10 +952,6 @@ void __init do_init_bootmem(void)
 	else
 		dump_numa_memory_topology();
 
-	register_cpu_notifier(&ppc64_numa_nb);
-	cpu_numa_callback(&ppc64_numa_nb, CPU_UP_PREPARE,
-			  (void *)(unsigned long)boot_cpuid);
-
 	for_each_online_node(nid) {
 		unsigned long start_pfn, end_pfn;
 		void *bootmem_vaddr;
@@ -983,6 +1005,16 @@ void __init do_init_bootmem(void)
 	}
 
 	init_bootmem_done = 1;
+
+	/*
+	 * Now bootmem is initialised we can create the node to cpumask
+	 * lookup tables and setup the cpu callback to populate them.
+	 */
+	setup_node_to_cpumask_map();
+
+	register_cpu_notifier(&ppc64_numa_nb);
+	cpu_numa_callback(&ppc64_numa_nb, CPU_UP_PREPARE,
+			  (void *)(unsigned long)boot_cpuid);
 }
 
 void __init paging_init(void)

From 828a69869ba266cabb486a6b59ea8643d56b33ce Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:44 +0000
Subject: [PATCH 0730/3638] powerpc/cpumask: Update some comments

Since the *_map cpumask variants are deprecated, change the comments to
instead refer to *_mask.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/setup-common.c           | 6 +++---
 arch/powerpc/kernel/smp.c                    | 2 +-
 arch/powerpc/platforms/powermac/setup.c      | 2 +-
 arch/powerpc/platforms/powermac/smp.c        | 4 ++--
 arch/powerpc/platforms/pseries/hotplug-cpu.c | 4 ++--
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 8dcec47a7b3..5e4d852f640 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -394,14 +394,14 @@ static void __init cpu_init_thread_core_maps(int tpc)
 
 /**
  * setup_cpu_maps - initialize the following cpu maps:
- *                  cpu_possible_map
- *                  cpu_present_map
+ *                  cpu_possible_mask
+ *                  cpu_present_mask
  *
  * Having the possible map set up early allows us to restrict allocations
  * of things like irqstacks to num_possible_cpus() rather than NR_CPUS.
  *
  * We do not initialize the online map here; cpus set their own bits in
- * cpu_online_map as they come up.
+ * cpu_online_mask as they come up.
  *
  * This function is valid only for Open Firmware systems.  finish_device_tree
  * must be called before using this.
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 39babb1e2ce..bf366167d36 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -468,7 +468,7 @@ out:
 	return id;
 }
 
-/* Must be called when no change can occur to cpu_present_map,
+/* Must be called when no change can occur to cpu_present_mask,
  * i.e. during cpu online or offline.
  */
 static struct device_node *cpu_to_l2cache(int cpu)
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 15c2241f9c7..47a2b448855 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -480,7 +480,7 @@ static void __init pmac_init_early(void)
 #endif
 
 	/* SMP Init has to be done early as we need to patch up
-	 * cpu_possible_map before interrupt stacks are allocated
+	 * cpu_possible_mask before interrupt stacks are allocated
 	 * or kaboom...
 	 */
 #ifdef CONFIG_SMP
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 6898e8241cd..02d0b8e5b13 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -315,7 +315,7 @@ static int __init smp_psurge_probe(void)
 	/* This is necessary because OF doesn't know about the
 	 * secondary cpu(s), and thus there aren't nodes in the
 	 * device tree for them, and smp_setup_cpu_maps hasn't
-	 * set their bits in cpu_present_map.
+	 * set their bits in cpu_present_mask.
 	 */
 	if (ncpus > NR_CPUS)
 		ncpus = NR_CPUS;
@@ -944,7 +944,7 @@ void __init pmac_setup_smp(void)
 	}
 #ifdef CONFIG_PPC32
 	else {
-		/* We have to set bits in cpu_possible_map here since the
+		/* We have to set bits in cpu_possible_mask here since the
 		 * secondary CPU(s) aren't in the device tree. Various
 		 * things won't be initialized for CPUs not in the possible
 		 * map, so we really need to fix it up here.
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 235f363f732..8f85f399ab9 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -222,7 +222,7 @@ static void pseries_cpu_die(unsigned int cpu)
 }
 
 /*
- * Update cpu_present_map and paca(s) for a new cpu node.  The wrinkle
+ * Update cpu_present_mask and paca(s) for a new cpu node.  The wrinkle
  * here is that a cpu device node may represent up to two logical cpus
  * in the SMT case.  We must honor the assumption in other code that
  * the logical ids for sibling SMT threads x and y are adjacent, such
@@ -270,7 +270,7 @@ static int pseries_add_processor(struct device_node *np)
 			cpumask_shift_left(tmp, tmp, nthreads);
 
 	if (cpumask_empty(tmp)) {
-		printk(KERN_ERR "Unable to find space in cpu_present_map for"
+		printk(KERN_ERR "Unable to find space in cpu_present_mask for"
 		       " processor %s with %d thread(s)\n", np->name,
 		       nthreads);
 		goto out_unlock;

From 2ef613cb94556ff69860f6bf004298f4e131c216 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 6 May 2010 18:01:46 +1000
Subject: [PATCH 0731/3638] powerpc/cpumask: Convert mpic driver to new cpumask
 API

Convert to the new cpumask API.

irq_choose_cpu can be simplified by using cpumask_next and cpumask_first.

smp_mpic_message_pass was doing open coded cpumask manipulation and passing an
int for a cpumask into mpic_send_ipi. Since mpic_send_ipi is only used
locally, make it static and convert it to take a cpumask. This allows us
to clean up the mess in smp_mpic_message_pass.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/mpic.h |  3 --
 arch/powerpc/sysdev/mpic.c      | 72 ++++++++++++++++++---------------
 2 files changed, 39 insertions(+), 36 deletions(-)

diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h
index 61913d9a21a..e000cce8f6d 100644
--- a/arch/powerpc/include/asm/mpic.h
+++ b/arch/powerpc/include/asm/mpic.h
@@ -463,9 +463,6 @@ extern void mpic_cpu_set_priority(int prio);
 /* Request IPIs on primary mpic */
 extern void mpic_request_ipis(void);
 
-/* Send an IPI (non offseted number 0..3) */
-extern void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask);
-
 /* Send a message (IPI) to a given target (cpu number or MSG_*) */
 void smp_mpic_message_pass(int target, int msg);
 
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 260295b1055..2102487612a 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -568,12 +568,12 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic)
 #endif /* CONFIG_MPIC_U3_HT_IRQS */
 
 #ifdef CONFIG_SMP
-static int irq_choose_cpu(const cpumask_t *mask)
+static int irq_choose_cpu(const struct cpumask *mask)
 {
 	int cpuid;
 
 	if (cpumask_equal(mask, cpu_all_mask)) {
-		static int irq_rover;
+		static int irq_rover = 0;
 		static DEFINE_RAW_SPINLOCK(irq_rover_lock);
 		unsigned long flags;
 
@@ -581,15 +581,11 @@ static int irq_choose_cpu(const cpumask_t *mask)
 	do_round_robin:
 		raw_spin_lock_irqsave(&irq_rover_lock, flags);
 
-		while (!cpu_online(irq_rover)) {
-			if (++irq_rover >= NR_CPUS)
-				irq_rover = 0;
-		}
+		irq_rover = cpumask_next(irq_rover, cpu_online_mask);
+		if (irq_rover >= nr_cpu_ids)
+			irq_rover = cpumask_first(cpu_online_mask);
+
 		cpuid = irq_rover;
-		do {
-			if (++irq_rover >= NR_CPUS)
-				irq_rover = 0;
-		} while (!cpu_online(irq_rover));
 
 		raw_spin_unlock_irqrestore(&irq_rover_lock, flags);
 	} else {
@@ -601,7 +597,7 @@ static int irq_choose_cpu(const cpumask_t *mask)
 	return get_hard_smp_processor_id(cpuid);
 }
 #else
-static int irq_choose_cpu(const cpumask_t *mask)
+static int irq_choose_cpu(const struct cpumask *mask)
 {
 	return hard_smp_processor_id();
 }
@@ -814,12 +810,16 @@ int mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
 
 		mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION), 1 << cpuid);
 	} else {
-		cpumask_t tmp;
+		cpumask_var_t tmp;
 
-		cpumask_and(&tmp, cpumask, cpu_online_mask);
+		alloc_cpumask_var(&tmp, GFP_KERNEL);
+
+		cpumask_and(tmp, cpumask, cpu_online_mask);
 
 		mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION),
-			       mpic_physmask(cpus_addr(tmp)[0]));
+			       mpic_physmask(cpumask_bits(tmp)[0]));
+
+		free_cpumask_var(tmp);
 	}
 
 	return 0;
@@ -1479,21 +1479,6 @@ void mpic_teardown_this_cpu(int secondary)
 }
 
 
-void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask)
-{
-	struct mpic *mpic = mpic_primary;
-
-	BUG_ON(mpic == NULL);
-
-#ifdef DEBUG_IPI
-	DBG("%s: send_ipi(ipi_no: %d)\n", mpic->name, ipi_no);
-#endif
-
-	mpic_cpu_write(MPIC_INFO(CPU_IPI_DISPATCH_0) +
-		       ipi_no * MPIC_INFO(CPU_IPI_DISPATCH_STRIDE),
-		       mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0]));
-}
-
 static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
 {
 	u32 src;
@@ -1589,8 +1574,25 @@ void mpic_request_ipis(void)
 	}
 }
 
+static void mpic_send_ipi(unsigned int ipi_no, const struct cpumask *cpu_mask)
+{
+	struct mpic *mpic = mpic_primary;
+
+	BUG_ON(mpic == NULL);
+
+#ifdef DEBUG_IPI
+	DBG("%s: send_ipi(ipi_no: %d)\n", mpic->name, ipi_no);
+#endif
+
+	mpic_cpu_write(MPIC_INFO(CPU_IPI_DISPATCH_0) +
+		       ipi_no * MPIC_INFO(CPU_IPI_DISPATCH_STRIDE),
+		       mpic_physmask(cpumask_bits(cpu_mask)[0]));
+}
+
 void smp_mpic_message_pass(int target, int msg)
 {
+	cpumask_var_t tmp;
+
 	/* make sure we're sending something that translates to an IPI */
 	if ((unsigned int)msg > 3) {
 		printk("SMP %d: smp_message_pass: unknown msg %d\n",
@@ -1599,13 +1601,17 @@ void smp_mpic_message_pass(int target, int msg)
 	}
 	switch (target) {
 	case MSG_ALL:
-		mpic_send_ipi(msg, 0xffffffff);
+		mpic_send_ipi(msg, cpu_online_mask);
 		break;
 	case MSG_ALL_BUT_SELF:
-		mpic_send_ipi(msg, 0xffffffff & ~(1 << smp_processor_id()));
+		alloc_cpumask_var(&tmp, GFP_NOWAIT);
+		cpumask_andnot(tmp, cpu_online_mask,
+			       cpumask_of(smp_processor_id()));
+		mpic_send_ipi(msg, tmp);
+		free_cpumask_var(tmp);
 		break;
 	default:
-		mpic_send_ipi(msg, 1 << target);
+		mpic_send_ipi(msg, cpumask_of(target));
 		break;
 	}
 }
@@ -1616,7 +1622,7 @@ int __init smp_mpic_probe(void)
 
 	DBG("smp_mpic_probe()...\n");
 
-	nr_cpus = cpus_weight(cpu_possible_map);
+	nr_cpus = cpumask_weight(cpu_possible_mask);
 
 	DBG("nr_cpus: %d\n", nr_cpus);
 

From ceba1abcb00b0ef0b1efcd715285f6e05523edef Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 26 Apr 2010 15:32:46 +0000
Subject: [PATCH 0732/3638] powerpc/cpumask: Add DEBUG_PER_CPU_MAPS option

Enable the DEBUG_PER_CPU_MAPS option so we can look for problems with
cpumasks .

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/Kconfig.debug | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index 5cdd7ed9a12..53696da4518 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -44,6 +44,18 @@ config DEBUG_STACK_USAGE
 
 	  This option will slow down process creation somewhat.
 
+config DEBUG_PER_CPU_MAPS
+	bool "Debug access to per_cpu maps"
+	depends on DEBUG_KERNEL
+	depends on SMP
+	default n
+	---help---
+	  Say Y to verify that the per_cpu map being accessed has
+	  been setup.  Adds a fair amount of code to kernel memory
+	  and decreases performance.
+
+	  Say N if unsure.
+
 config HCALL_STATS
 	bool "Hypervisor call instrumentation"
 	depends on PPC_PSERIES && DEBUG_FS && TRACEPOINTS

From 913a71d250803130eac523e7a2b6439e31a0bc83 Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Thu, 6 May 2010 11:03:29 +0100
Subject: [PATCH 0733/3638] GFS2: Add some useful messages

The following patch adds a message to indicate when barriers have been
disabled due to a block device which doesn't support them. You could
already tell this via the mount options in /proc/mounts, but all the
other filesystems also log a message at the same time.

Also, the same mechanisms are used to indicate when the lock
demote interface has been used (only ever used for debugging)
which is a request from our support team.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/incore.h | 1 +
 fs/gfs2/log.c    | 1 +
 fs/gfs2/super.c  | 3 ++-
 fs/gfs2/sys.c    | 2 ++
 4 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 08dd6574547..b5d7363b22d 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -459,6 +459,7 @@ enum {
 	SDF_SHUTDOWN		= 2,
 	SDF_NOBARRIERS		= 3,
 	SDF_NORECOVERY		= 4,
+	SDF_DEMOTE		= 5,
 };
 
 #define GFS2_FSNAME_LEN		256
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index d5959df6deb..b593f0e28f2 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -600,6 +600,7 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags, int pull)
 	if (buffer_eopnotsupp(bh)) {
 		clear_buffer_eopnotsupp(bh);
 		set_buffer_uptodate(bh);
+		fs_info(sdp, "barrier sync failed - disabling barriers\n");
 		set_bit(SDF_NOBARRIERS, &sdp->sd_flags);
 		lock_buffer(bh);
 skip_barrier:
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 7a93e9ff7d3..4d1aad38f1b 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1334,7 +1334,8 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
 	}
 	if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags))
 		seq_printf(s, ",nobarrier");
-
+	if (test_bit(SDF_DEMOTE, &sdp->sd_flags))
+		seq_printf(s, ",demote_interface_used");
 	return 0;
 }
 
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 2ac845d9c46..7afb62ec97c 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -233,6 +233,8 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len
 	glops = gfs2_glops_list[gltype];
 	if (glops == NULL)
 		return -EINVAL;
+	if (test_and_set_bit(SDF_DEMOTE, &sdp->sd_flags))
+		fs_info(sdp, "demote interface used\n");
 	rv = gfs2_glock_get(sdp, glnum, glops, 0, &gl);
 	if (rv)
 		return rv;

From 9e51159c14c29ebd485a45ba56f148e180d62c29 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Wed, 5 May 2010 11:02:44 +0200
Subject: [PATCH 0734/3638] drm/ttm: fix, avoid iomapping system memory
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

If the memory is not iomem we should not try to
ioremap it. Should fix :

https://bugs.freedesktop.org/show_bug.cgi?id=27822

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Tested-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_bo_util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index a37a94872a1..13012a1f148 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -113,7 +113,7 @@ int ttm_mem_reg_ioremap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem,
 
 	*virtual = NULL;
 	ret = ttm_mem_io_reserve(bdev, mem);
-	if (ret)
+	if (ret || !mem->bus.is_iomem)
 		return ret;
 
 	if (mem->bus.addr) {

From 3f5026222e8a16daaa830eec4d72c6745b74407e Mon Sep 17 00:00:00 2001
From: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Date: Thu, 6 May 2010 19:21:47 +0900
Subject: [PATCH 0735/3638] UBI: fix s/then/than/ typos

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 drivers/mtd/ubi/Kconfig | 2 +-
 drivers/mtd/ubi/io.c    | 2 +-
 drivers/mtd/ubi/kapi.c  | 6 +++---
 drivers/mtd/ubi/scan.c  | 4 ++--
 drivers/mtd/ubi/wl.c    | 2 +-
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig
index 0a8c7ea764a..f702a163d8d 100644
--- a/drivers/mtd/ubi/Kconfig
+++ b/drivers/mtd/ubi/Kconfig
@@ -27,7 +27,7 @@ config MTD_UBI_WL_THRESHOLD
 	  The default value should be OK for SLC NAND flashes, NOR flashes and
 	  other flashes which have eraseblock life-cycle 100000 or more.
 	  However, in case of MLC NAND flashes which typically have eraseblock
-	  life-cycle less then 10000, the threshold should be lessened (e.g.,
+	  life-cycle less than 10000, the threshold should be lessened (e.g.,
 	  to 128 or 256, although it does not have to be power of 2).
 
 config MTD_UBI_BEB_RESERVE
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 533b1a4b9af..016ec1387bc 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -65,7 +65,7 @@
  *
  * A: because when writing a sub-page, MTD still writes a full 2K page but the
  * bytes which are no relevant to the sub-page are 0xFF. So, basically, writing
- * 4x512 sub-pages is 4 times slower then writing one 2KiB NAND page. Thus, we
+ * 4x512 sub-pages is 4 times slower than writing one 2KiB NAND page. Thus, we
  * prefer to use sub-pages only for EV and VID headers.
  *
  * As it was noted above, the VID header may start at a non-aligned offset.
diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c
index 17f287decc3..69fa4ef03c5 100644
--- a/drivers/mtd/ubi/kapi.c
+++ b/drivers/mtd/ubi/kapi.c
@@ -488,7 +488,7 @@ EXPORT_SYMBOL_GPL(ubi_leb_write);
  *
  * This function changes the contents of a logical eraseblock atomically. @buf
  * has to contain new logical eraseblock data, and @len - the length of the
- * data, which has to be aligned. The length may be shorter then the logical
+ * data, which has to be aligned. The length may be shorter than the logical
  * eraseblock size, ant the logical eraseblock may be appended to more times
  * later on. This function guarantees that in case of an unclean reboot the old
  * contents is preserved. Returns zero in case of success and a negative error
@@ -571,7 +571,7 @@ EXPORT_SYMBOL_GPL(ubi_leb_erase);
  *
  * This function un-maps logical eraseblock @lnum and schedules the
  * corresponding physical eraseblock for erasure, so that it will eventually be
- * physically erased in background. This operation is much faster then the
+ * physically erased in background. This operation is much faster than the
  * erase operation.
  *
  * Unlike erase, the un-map operation does not guarantee that the logical
@@ -590,7 +590,7 @@ EXPORT_SYMBOL_GPL(ubi_leb_erase);
  *
  * The main and obvious use-case of this function is when the contents of a
  * logical eraseblock has to be re-written. Then it is much more efficient to
- * first un-map it, then write new data, rather then first erase it, then write
+ * first un-map it, then write new data, rather than first erase it, then write
  * new data. Note, once new data has been written to the logical eraseblock,
  * UBI guarantees that the old contents has gone forever. In other words, if an
  * unclean reboot happens after the logical eraseblock has been un-mapped and
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index dc5f688699d..aed19f33b8f 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -231,7 +231,7 @@ static struct ubi_scan_volume *add_volume(struct ubi_scan_info *si, int vol_id,
  * case of success this function returns a positive value, in case of failure, a
  * negative error code is returned. The success return codes use the following
  * bits:
- *     o bit 0 is cleared: the first PEB (described by @seb) is newer then the
+ *     o bit 0 is cleared: the first PEB (described by @seb) is newer than the
  *       second PEB (described by @pnum and @vid_hdr);
  *     o bit 0 is set: the second PEB is newer;
  *     o bit 1 is cleared: no bit-flips were detected in the newer LEB;
@@ -452,7 +452,7 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_scan_info *si,
 
 		if (cmp_res & 1) {
 			/*
-			 * This logical eraseblock is newer then the one
+			 * This logical eraseblock is newer than the one
 			 * found earlier.
 			 */
 			err = validate_vid_hdr(vid_hdr, sv, pnum);
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index f64ddabd4ac..ee7b1d8fbb9 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -350,7 +350,7 @@ static void prot_queue_add(struct ubi_device *ubi, struct ubi_wl_entry *e)
  * @max: highest possible erase counter
  *
  * This function looks for a wear leveling entry with erase counter closest to
- * @max and less then @max.
+ * @max and less than @max.
  */
 static struct ubi_wl_entry *find_wl_entry(struct rb_root *root, int max)
 {

From be436f6238a17b8432b9de0212bcfc838afb1f85 Mon Sep 17 00:00:00 2001
From: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Date: Thu, 6 May 2010 19:22:09 +0900
Subject: [PATCH 0736/3638] UBI: misc comment fixes

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 drivers/mtd/ubi/io.c   | 6 +++---
 drivers/mtd/ubi/vtbl.c | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 016ec1387bc..4b979e34b15 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -64,9 +64,9 @@
  * device, e.g., make @ubi->min_io_size = 512 in the example above?
  *
  * A: because when writing a sub-page, MTD still writes a full 2K page but the
- * bytes which are no relevant to the sub-page are 0xFF. So, basically, writing
- * 4x512 sub-pages is 4 times slower than writing one 2KiB NAND page. Thus, we
- * prefer to use sub-pages only for EV and VID headers.
+ * bytes which are not relevant to the sub-page are 0xFF. So, basically,
+ * writing 4x512 sub-pages is 4 times slower than writing one 2KiB NAND page.
+ * Thus, we prefer to use sub-pages only for EC and VID headers.
  *
  * As it was noted above, the VID header may start at a non-aligned offset.
  * For example, in case of a 2KiB page NAND flash with a 512 bytes sub-page,
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index cd90ff3b76b..14c10bed94e 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -414,7 +414,7 @@ static struct ubi_vtbl_record *process_lvol(struct ubi_device *ubi,
 	 * 0 contains more recent information.
 	 *
 	 * So the plan is to first check LEB 0. Then
-	 * a. if LEB 0 is OK, it must be containing the most resent data; then
+	 * a. if LEB 0 is OK, it must be containing the most recent data; then
 	 *    we compare it with LEB 1, and if they are different, we copy LEB
 	 *    0 to LEB 1;
 	 * b. if LEB 0 is corrupted, but LEB 1 has to be OK, and we copy LEB 1
@@ -848,7 +848,7 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_scan_info *si)
 		goto out_free;
 
 	/*
-	 * Get sure that the scanning information is consistent to the
+	 * Make sure that the scanning information is consistent to the
 	 * information stored in the volume table.
 	 */
 	err = check_scanning_info(ubi, si);

From d89d63a973986bf6c1d8b28ab62eb61491a3bb34 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 7 May 2010 11:24:11 -0700
Subject: [PATCH 0737/3638] eeepc-wmi: depends on BACKLIGHT_CLASS_DEVICE

eeepc-wmi uses backlight*() interfaces so it should depend on
BACKLIGHT_CLASS_DEVICE.

eeepc-wmi.c:(.text+0x2d7f54): undefined reference to `backlight_force_update'
eeepc-wmi.c:(.text+0x2d8012): undefined reference to `backlight_device_register'
eeepc-wmi.c:(.devinit.text+0x1c31c): undefined reference to `backlight_device_unregister'
eeepc-wmi.c:(.devexit.text+0x2f8b): undefined reference to `backlight_device_unregister'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
---
 drivers/platform/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 6c3320d7505..50601d9208a 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -390,6 +390,7 @@ config EEEPC_WMI
 	depends on ACPI_WMI
 	depends on INPUT
 	depends on EXPERIMENTAL
+	depends on BACKLIGHT_CLASS_DEVICE
 	select INPUT_SPARSEKMAP
 	---help---
 	  Say Y here if you want to support WMI-based hotkeys on Eee PC laptops.

From 0a31a448659d48cbc38f5e7520d8a65f8f1f8276 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 19 Apr 2010 15:57:25 -0400
Subject: [PATCH 0738/3638] drm/i915: Use spatio-temporal dithering on PCH

Spatial dither is better than nothing, but ST is even better.

(from ajax's followup message:)
  I noticed this with:

  http://ajax.fedorapeople.org/YellowFlower.jpg

  set as my desktop background in Gnome on a 1280x800 machine (in
  particular, a Sony Vaio VPCB1 with 6-bit panel and a rather bright black
  level).  Easiest way to test this is by poking at PIPEACONF with
  intel_reg_write directly:

  % sudo intel_reg_write 0x70008 0xc0000040 # no dither
  % sudo intel_reg_write 0x70008 0xc0000050 # spatial
  % sudo intel_reg_write 0x70008 0xc0000054 # ST

  I notice it especially strongly in the relatively flat dark area in the
  top left.  Closer than about 18" I can see a noticeable checkerboard
  pattern with plain spatial dithering.  ST smooths that out; I can still
  tell that it's lacking color precision, but it's not offensive.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_reg.h      |  5 ++++-
 drivers/gpu/drm/i915/intel_display.c | 10 ++++++----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 527d30aecda..0bbbb775395 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1922,7 +1922,10 @@
 /* Display & cursor control */
 
 /* dithering flag on Ironlake */
-#define PIPE_ENABLE_DITHER	(1 << 4)
+#define PIPE_ENABLE_DITHER		(1 << 4)
+#define PIPE_DITHER_TYPE_MASK		(3 << 2)
+#define PIPE_DITHER_TYPE_SPATIAL	(0 << 2)
+#define PIPE_DITHER_TYPE_ST01		(1 << 2)
 /* Pipe A */
 #define PIPEADSL		0x70000
 #define PIPEACONF		0x70008
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3836f56e842..119a41ac3bb 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3677,14 +3677,16 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		/* set the dithering flag */
 		if (IS_I965G(dev)) {
 			if (dev_priv->lvds_dither) {
-				if (HAS_PCH_SPLIT(dev))
+				if (HAS_PCH_SPLIT(dev)) {
 					pipeconf |= PIPE_ENABLE_DITHER;
-				else
+					pipeconf |= PIPE_DITHER_TYPE_ST01;
+				} else
 					lvds |= LVDS_ENABLE_DITHER;
 			} else {
-				if (HAS_PCH_SPLIT(dev))
+				if (HAS_PCH_SPLIT(dev)) {
 					pipeconf &= ~PIPE_ENABLE_DITHER;
-				else
+					pipeconf &= ~PIPE_DITHER_TYPE_MASK;
+				} else
 					lvds &= ~LVDS_ENABLE_DITHER;
 			}
 		}

From 1637ef413b9a5d1c14eb370f7029a5558f3bb3d3 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 20 Apr 2010 17:10:35 +0100
Subject: [PATCH 0739/3638] drm/i915: Wait for the GPU whilst shrinking, if
 truly desperate.

By idling the GPU and discarding everything we can when under extreme
memory pressure, the number of OOM-killer events is dramatically
reduced. For instance, this makes it possible to run
firefox-planet-gnome.trace again on my swapless 512MiB i915.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_gem.c | 45 +++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 47c46ed384f..3471dece13e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5065,6 +5065,20 @@ void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv)
 	mutex_unlock(&dev->struct_mutex);
 }
 
+static int
+i915_gpu_is_active(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int lists_empty;
+
+	spin_lock(&dev_priv->mm.active_list_lock);
+	lists_empty = list_empty(&dev_priv->mm.flushing_list) &&
+		      list_empty(&dev_priv->mm.active_list);
+	spin_unlock(&dev_priv->mm.active_list_lock);
+
+	return !lists_empty;
+}
+
 static int
 i915_gem_shrink(int nr_to_scan, gfp_t gfp_mask)
 {
@@ -5094,6 +5108,7 @@ i915_gem_shrink(int nr_to_scan, gfp_t gfp_mask)
 
 	spin_lock(&shrink_list_lock);
 
+rescan:
 	/* first scan for clean buffers */
 	list_for_each_entry_safe(dev_priv, next_dev,
 				 &shrink_list, mm.shrink_list) {
@@ -5151,6 +5166,36 @@ i915_gem_shrink(int nr_to_scan, gfp_t gfp_mask)
 		would_deadlock = 0;
 	}
 
+	if (nr_to_scan) {
+		int active = 0;
+
+		/*
+		 * We are desperate for pages, so as a last resort, wait
+		 * for the GPU to finish and discard whatever we can.
+		 * This has a dramatic impact to reduce the number of
+		 * OOM-killer events whilst running the GPU aggressively.
+		 */
+		list_for_each_entry(dev_priv, &shrink_list, mm.shrink_list) {
+			struct drm_device *dev = dev_priv->dev;
+
+			if (!mutex_trylock(&dev->struct_mutex))
+				continue;
+
+			spin_unlock(&shrink_list_lock);
+
+			if (i915_gpu_is_active(dev)) {
+				i915_gpu_idle(dev);
+				active++;
+			}
+
+			spin_lock(&shrink_list_lock);
+			mutex_unlock(&dev->struct_mutex);
+		}
+
+		if (active)
+			goto rescan;
+	}
+
 	spin_unlock(&shrink_list_lock);
 
 	if (would_deadlock)

From ee5382aedf669127bf672a3fc5313247fc288e26 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Fri, 23 Apr 2010 11:17:39 -0400
Subject: [PATCH 0740/3638] drm/i915: Make fbc control wrapper functions

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_debugfs.c  | 13 +-----
 drivers/gpu/drm/i915/i915_dma.c      |  3 +-
 drivers/gpu/drm/i915/i915_drv.h      |  5 ++-
 drivers/gpu/drm/i915/intel_display.c | 66 ++++++++++++++++++----------
 4 files changed, 51 insertions(+), 36 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 213aa3f6731..322070c0c63 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -566,23 +566,14 @@ static int i915_fbc_status(struct seq_file *m, void *unused)
 {
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
-	struct drm_crtc *crtc;
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	bool fbc_enabled = false;
 
-	if (!dev_priv->display.fbc_enabled) {
+	if (!I915_HAS_FBC(dev)) {
 		seq_printf(m, "FBC unsupported on this chipset\n");
 		return 0;
 	}
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (!crtc->enabled)
-			continue;
-		if (dev_priv->display.fbc_enabled(crtc))
-			fbc_enabled = true;
-	}
-
-	if (fbc_enabled) {
+	if (intel_fbc_enabled(dev)) {
 		seq_printf(m, "FBC enabled\n");
 	} else {
 		seq_printf(m, "FBC disabled: ");
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 52e468bbd5e..03d1d3a1a6c 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1357,11 +1357,10 @@ static void i915_setup_compression(struct drm_device *dev, int size)
 
 	dev_priv->cfb_size = size;
 
+	intel_disable_fbc(dev);
 	if (IS_GM45(dev)) {
-		g4x_disable_fbc(dev);
 		I915_WRITE(DPFC_CB_BASE, compressed_fb->start);
 	} else {
-		i8xx_disable_fbc(dev);
 		I915_WRITE(FBC_CFB_BASE, cfb_base);
 		I915_WRITE(FBC_LL_BASE, ll_base);
 	}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 242993bedab..c06d203b709 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -175,7 +175,7 @@ struct drm_i915_error_state {
 
 struct drm_i915_display_funcs {
 	void (*dpms)(struct drm_crtc *crtc, int mode);
-	bool (*fbc_enabled)(struct drm_crtc *crtc);
+	bool (*fbc_enabled)(struct drm_device *dev);
 	void (*enable_fbc)(struct drm_crtc *crtc, unsigned long interval);
 	void (*disable_fbc)(struct drm_device *dev);
 	int (*get_display_clock_speed)(struct drm_device *dev);
@@ -1006,6 +1006,9 @@ extern void intel_modeset_cleanup(struct drm_device *dev);
 extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
 extern void i8xx_disable_fbc(struct drm_device *dev);
 extern void g4x_disable_fbc(struct drm_device *dev);
+extern void intel_disable_fbc(struct drm_device *dev);
+extern void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval);
+extern bool intel_fbc_enabled(struct drm_device *dev);
 
 extern void intel_detect_pch (struct drm_device *dev);
 extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 119a41ac3bb..84c1aca8637 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1048,9 +1048,8 @@ void i8xx_disable_fbc(struct drm_device *dev)
 	DRM_DEBUG_KMS("disabled FBC\n");
 }
 
-static bool i8xx_fbc_enabled(struct drm_crtc *crtc)
+static bool i8xx_fbc_enabled(struct drm_device *dev)
 {
-	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	return I915_READ(FBC_CONTROL) & FBC_CTL_EN;
@@ -1107,14 +1106,43 @@ void g4x_disable_fbc(struct drm_device *dev)
 	DRM_DEBUG_KMS("disabled FBC\n");
 }
 
-static bool g4x_fbc_enabled(struct drm_crtc *crtc)
+static bool g4x_fbc_enabled(struct drm_device *dev)
 {
-	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN;
 }
 
+bool intel_fbc_enabled(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (!dev_priv->display.fbc_enabled)
+		return false;
+
+	return dev_priv->display.fbc_enabled(dev);
+}
+
+void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
+{
+	struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+
+	if (!dev_priv->display.enable_fbc)
+		return;
+
+	dev_priv->display.enable_fbc(crtc, interval);
+}
+
+void intel_disable_fbc(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (!dev_priv->display.disable_fbc)
+		return;
+
+	dev_priv->display.disable_fbc(dev);
+}
+
 /**
  * intel_update_fbc - enable/disable FBC as needed
  * @crtc: CRTC to point the compressor at
@@ -1149,9 +1177,7 @@ static void intel_update_fbc(struct drm_crtc *crtc,
 	if (!i915_powersave)
 		return;
 
-	if (!dev_priv->display.fbc_enabled ||
-	    !dev_priv->display.enable_fbc ||
-	    !dev_priv->display.disable_fbc)
+	if (!I915_HAS_FBC(dev))
 		return;
 
 	if (!crtc->fb)
@@ -1198,28 +1224,25 @@ static void intel_update_fbc(struct drm_crtc *crtc,
 		goto out_disable;
 	}
 
-	if (dev_priv->display.fbc_enabled(crtc)) {
+	if (intel_fbc_enabled(dev)) {
 		/* We can re-enable it in this case, but need to update pitch */
-		if (fb->pitch > dev_priv->cfb_pitch)
-			dev_priv->display.disable_fbc(dev);
-		if (obj_priv->fence_reg != dev_priv->cfb_fence)
-			dev_priv->display.disable_fbc(dev);
-		if (plane != dev_priv->cfb_plane)
-			dev_priv->display.disable_fbc(dev);
+		if ((fb->pitch > dev_priv->cfb_pitch) ||
+		    (obj_priv->fence_reg != dev_priv->cfb_fence) ||
+		    (plane != dev_priv->cfb_plane))
+			intel_disable_fbc(dev);
 	}
 
-	if (!dev_priv->display.fbc_enabled(crtc)) {
-		/* Now try to turn it back on if possible */
-		dev_priv->display.enable_fbc(crtc, 500);
-	}
+	/* Now try to turn it back on if possible */
+	if (!intel_fbc_enabled(dev))
+		intel_enable_fbc(crtc, 500);
 
 	return;
 
 out_disable:
 	DRM_DEBUG_KMS("unsupported config, disabling FBC\n");
 	/* Multiple disables should be harmless */
-	if (dev_priv->display.fbc_enabled(crtc))
-		dev_priv->display.disable_fbc(dev);
+	if (intel_fbc_enabled(dev))
+		intel_disable_fbc(dev);
 }
 
 static int
@@ -5203,8 +5226,7 @@ static void intel_init_display(struct drm_device *dev)
 	else
 		dev_priv->display.dpms = i9xx_crtc_dpms;
 
-	/* Only mobile has FBC, leave pointers NULL for other chips */
-	if (IS_MOBILE(dev)) {
+	if (I915_HAS_FBC(dev)) {
 		if (IS_GM45(dev)) {
 			dev_priv->display.fbc_enabled = g4x_fbc_enabled;
 			dev_priv->display.enable_fbc = g4x_enable_fbc;

From 3d8620cc5f8538364ee152811e2bd8713abb1d58 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Fri, 26 Mar 2010 11:07:21 -0700
Subject: [PATCH 0741/3638] drm/i915: cleanup mode setting before unmapping
 registers

We'll turn off outputs etc at unload time, so don't unmap the registers
before doing it.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_dma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 03d1d3a1a6c..bf7d601fc37 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1758,6 +1758,8 @@ int i915_driver_unload(struct drm_device *dev)
 	}
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		intel_modeset_cleanup(dev);
+
 		/*
 		 * free the memory space allocated for the child device
 		 * config parsed from VBT
@@ -1781,8 +1783,6 @@ int i915_driver_unload(struct drm_device *dev)
 	intel_opregion_free(dev, 0);
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-		intel_modeset_cleanup(dev);
-
 		i915_gem_free_all_phys_object(dev);
 
 		mutex_lock(&dev->struct_mutex);

From aa9613916a461027fdade8661177660db0975806 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 7 May 2010 17:05:22 -0400
Subject: [PATCH 0742/3638] drm/radeon/kms/atom: disable the encoders in
 encoder_disable

Previously we just set them to dpms off.  This should save
additional power.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_encoders.c | 39 ++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 30293bec080..63b80569390 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1509,10 +1509,49 @@ static void radeon_atom_encoder_commit(struct drm_encoder *encoder)
 
 static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
 {
+	struct drm_device *dev = encoder->dev;
+	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_atom_dig *dig;
 	radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
 
+	switch (radeon_encoder->encoder_id) {
+	case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
+	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
+	case ENCODER_OBJECT_ID_INTERNAL_LVDS:
+	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
+		atombios_digital_setup(encoder, PANEL_ENCODER_ACTION_DISABLE);
+		break;
+	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+		if (ASIC_IS_DCE4(rdev))
+			/* disable the transmitter */
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+		else {
+			/* disable the encoder and transmitter */
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+			atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+		}
+		break;
+	case ENCODER_OBJECT_ID_INTERNAL_DDI:
+		atombios_ddia_setup(encoder, ATOM_DISABLE);
+		break;
+	case ENCODER_OBJECT_ID_INTERNAL_DVO1:
+	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
+		atombios_external_tmds_setup(encoder, ATOM_DISABLE);
+		break;
+	case ENCODER_OBJECT_ID_INTERNAL_DAC1:
+	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
+	case ENCODER_OBJECT_ID_INTERNAL_DAC2:
+	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
+		atombios_dac_setup(encoder, ATOM_DISABLE);
+		if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
+			atombios_tv_setup(encoder, ATOM_DISABLE);
+		break;
+	}
+
 	if (radeon_encoder_is_digital(encoder)) {
 		if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
 			r600_hdmi_disable(encoder);

From 37e11f3397fab21604bff506cb31ffbf70fb255a Mon Sep 17 00:00:00 2001
From: Qinghuang Feng <qhfeng.kernel@gmail.com>
Date: Sun, 25 Apr 2010 20:17:25 +0800
Subject: [PATCH 0743/3638] nilfs2: update comment for struct nilfs_dat_entry

The comment of struct nilfs_dat_entry is mismatched, fix it.

Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 include/linux/nilfs2_fs.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index 640702e9745..478ee34e9d6 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -437,10 +437,10 @@ struct nilfs_palloc_group_desc {
 
 /**
  * struct nilfs_dat_entry - disk address translation entry
- * @dt_blocknr: block number
- * @dt_start: start checkpoint number
- * @dt_end: end checkpoint number
- * @dt_rsv: reserved for future use
+ * @de_blocknr: block number
+ * @de_start: start checkpoint number
+ * @de_end: end checkpoint number
+ * @de_rsv: reserved for future use
  */
 struct nilfs_dat_entry {
 	__le64 de_blocknr;

From 0d9cc2332df24d3e81060c782b2ecb87c28443f9 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Mon, 26 Apr 2010 01:17:48 +0900
Subject: [PATCH 0744/3638] nilfs2: fix style problems in nilfs2_fs.h

This kills the following checkpatch warnings:

WARNING: please, no space before tabs
+^I__le32^Is_first_ino; ^I^I/* First non-reserved inode */$

WARNING: please, no space before tabs
+^I__le16  s_inode_size; ^I^I/* Size of an inode */$

WARNING: please, no space before tabs
+^Ichar^Is_volume_name[16]; ^I/* volume name */$

WARNING: please, no space before tabs
+^Ichar^Is_last_mounted[64]; ^I/* directory where last mounted */$

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 include/linux/nilfs2_fs.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index 478ee34e9d6..f960e1d264e 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -199,16 +199,16 @@ struct nilfs_super_block {
 	__le32	s_creator_os;		/* OS */
 	__le16	s_def_resuid;		/* Default uid for reserved blocks */
 	__le16	s_def_resgid;		/* Default gid for reserved blocks */
-	__le32	s_first_ino; 		/* First non-reserved inode */
+	__le32	s_first_ino;		/* First non-reserved inode */
 
-	__le16  s_inode_size; 		/* Size of an inode */
+	__le16  s_inode_size;		/* Size of an inode */
 	__le16  s_dat_entry_size;       /* Size of a dat entry */
 	__le16  s_checkpoint_size;      /* Size of a checkpoint */
 	__le16	s_segment_usage_size;	/* Size of a segment usage */
 
 	__u8	s_uuid[16];		/* 128-bit uuid for volume */
-	char	s_volume_name[16]; 	/* volume name */
-	char	s_last_mounted[64]; 	/* directory where last mounted */
+	char	s_volume_name[16];	/* volume name */
+	char	s_last_mounted[64];	/* directory where last mounted */
 
 	__le32  s_c_interval;           /* Commit interval of segment */
 	__le32  s_c_block_max;          /* Threshold of data amount for

From f905440f5edfa70a07e64bdbc973cbdd55dd001d Mon Sep 17 00:00:00 2001
From: Li Hong <lihong.hi@gmail.com>
Date: Fri, 2 Apr 2010 17:36:34 +0800
Subject: [PATCH 0745/3638] nilfs2: Combine nilfs_btree_alloc_path() and
 nilfs_btree_init_path()

nilfs_btree_alloc_path() and nilfs_btree_init_path() are bound into each other
tightly. Make them into one procedure to clearify the logic and avoid some
misusages.

Signed-off-by: Li Hong <lihong.hi@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/btree.c | 39 +++++++++++++++++----------------------
 1 file changed, 17 insertions(+), 22 deletions(-)

diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index 76c38e3e19d..f4798498746 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -71,23 +71,16 @@ void nilfs_btree_path_cache_destroy(void)
 	kmem_cache_destroy(nilfs_btree_path_cache);
 }
 
-static inline struct nilfs_btree_path *nilfs_btree_alloc_path(void)
+static struct nilfs_btree_path *nilfs_btree_alloc_path(void)
 {
-	return kmem_cache_alloc(nilfs_btree_path_cache, GFP_NOFS);
-}
+	struct nilfs_btree_path *path;
+	int level = NILFS_BTREE_LEVEL_DATA;
 
-static inline void nilfs_btree_free_path(struct nilfs_btree_path *path)
-{
-	kmem_cache_free(nilfs_btree_path_cache, path);
-}
+	path = kmem_cache_alloc(nilfs_btree_path_cache, GFP_NOFS);
+	if (path == NULL)
+		goto out;
 
-static void nilfs_btree_init_path(struct nilfs_btree_path *path)
-{
-	int level;
-
-	for (level = NILFS_BTREE_LEVEL_DATA;
-	     level < NILFS_BTREE_LEVEL_MAX;
-	     level++) {
+	for (; level < NILFS_BTREE_LEVEL_MAX; level++) {
 		path[level].bp_bh = NULL;
 		path[level].bp_sib_bh = NULL;
 		path[level].bp_index = 0;
@@ -95,6 +88,14 @@ static void nilfs_btree_init_path(struct nilfs_btree_path *path)
 		path[level].bp_newreq.bpr_ptr = NILFS_BMAP_INVALID_PTR;
 		path[level].bp_op = NULL;
 	}
+
+out:
+	return path;
+}
+
+static inline void nilfs_btree_free_path(struct nilfs_btree_path *path)
+{
+	kmem_cache_free(nilfs_btree_path_cache, path);
 }
 
 static void nilfs_btree_release_path(struct nilfs_btree_path *path)
@@ -566,7 +567,6 @@ static int nilfs_btree_lookup(const struct nilfs_bmap *bmap,
 	path = nilfs_btree_alloc_path();
 	if (path == NULL)
 		return -ENOMEM;
-	nilfs_btree_init_path(path);
 
 	ret = nilfs_btree_do_lookup(btree, path, key, &ptr, level);
 
@@ -594,7 +594,7 @@ static int nilfs_btree_lookup_contig(const struct nilfs_bmap *bmap,
 	path = nilfs_btree_alloc_path();
 	if (path == NULL)
 		return -ENOMEM;
-	nilfs_btree_init_path(path);
+
 	ret = nilfs_btree_do_lookup(btree, path, key, &ptr, level);
 	if (ret < 0)
 		goto out;
@@ -1123,7 +1123,6 @@ static int nilfs_btree_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr)
 	path = nilfs_btree_alloc_path();
 	if (path == NULL)
 		return -ENOMEM;
-	nilfs_btree_init_path(path);
 
 	ret = nilfs_btree_do_lookup(btree, path, key, NULL,
 				    NILFS_BTREE_LEVEL_NODE_MIN);
@@ -1456,7 +1455,7 @@ static int nilfs_btree_delete(struct nilfs_bmap *bmap, __u64 key)
 	path = nilfs_btree_alloc_path();
 	if (path == NULL)
 		return -ENOMEM;
-	nilfs_btree_init_path(path);
+
 	ret = nilfs_btree_do_lookup(btree, path, key, NULL,
 				    NILFS_BTREE_LEVEL_NODE_MIN);
 	if (ret < 0)
@@ -1488,7 +1487,6 @@ static int nilfs_btree_last_key(const struct nilfs_bmap *bmap, __u64 *keyp)
 	path = nilfs_btree_alloc_path();
 	if (path == NULL)
 		return -ENOMEM;
-	nilfs_btree_init_path(path);
 
 	ret = nilfs_btree_do_lookup_last(btree, path, keyp, NULL);
 
@@ -1923,7 +1921,6 @@ static int nilfs_btree_propagate(const struct nilfs_bmap *bmap,
 	path = nilfs_btree_alloc_path();
 	if (path == NULL)
 		return -ENOMEM;
-	nilfs_btree_init_path(path);
 
 	if (buffer_nilfs_node(bh)) {
 		node = (struct nilfs_btree_node *)bh->b_data;
@@ -2108,7 +2105,6 @@ static int nilfs_btree_assign(struct nilfs_bmap *bmap,
 	path = nilfs_btree_alloc_path();
 	if (path == NULL)
 		return -ENOMEM;
-	nilfs_btree_init_path(path);
 
 	if (buffer_nilfs_node(*bh)) {
 		node = (struct nilfs_btree_node *)(*bh)->b_data;
@@ -2175,7 +2171,6 @@ static int nilfs_btree_mark(struct nilfs_bmap *bmap, __u64 key, int level)
 	path = nilfs_btree_alloc_path();
 	if (path == NULL)
 		return -ENOMEM;
-	nilfs_btree_init_path(path);
 
 	ret = nilfs_btree_do_lookup(btree, path, key, &ptr, level + 1);
 	if (ret < 0) {

From 73bb48869b14fd5094b9ec173a2bf86bc0e464d4 Mon Sep 17 00:00:00 2001
From: Li Hong <lihong.hi@gmail.com>
Date: Fri, 2 Apr 2010 18:35:00 +0800
Subject: [PATCH 0746/3638] nilfs2: Combine nilfs_btree_release_path() and
 nilfs_btree_free_path()

nilfs_btree_release_path() and nilfs_btree_free_path() are bound into each other
tightly. Make them into one procedure to clearify the logic and avoid some
misusages.

Signed-off-by: Li Hong <lihong.hi@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/btree.c | 22 +++++-----------------
 1 file changed, 5 insertions(+), 17 deletions(-)

diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index f4798498746..dcd4e1c4dea 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -93,18 +93,14 @@ out:
 	return path;
 }
 
-static inline void nilfs_btree_free_path(struct nilfs_btree_path *path)
+static void nilfs_btree_free_path(struct nilfs_btree_path *path)
 {
-	kmem_cache_free(nilfs_btree_path_cache, path);
-}
+	int level = NILFS_BTREE_LEVEL_DATA;
 
-static void nilfs_btree_release_path(struct nilfs_btree_path *path)
-{
-	int level;
-
-	for (level = NILFS_BTREE_LEVEL_DATA; level < NILFS_BTREE_LEVEL_MAX;
-	     level++)
+	for (; level < NILFS_BTREE_LEVEL_MAX; level++)
 		brelse(path[level].bp_bh);
+
+	kmem_cache_free(nilfs_btree_path_cache, path);
 }
 
 /*
@@ -573,7 +569,6 @@ static int nilfs_btree_lookup(const struct nilfs_bmap *bmap,
 	if (ptrp != NULL)
 		*ptrp = ptr;
 
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 
 	return ret;
@@ -655,7 +650,6 @@ static int nilfs_btree_lookup_contig(const struct nilfs_bmap *bmap,
 	*ptrp = ptr;
 	ret = cnt;
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 	return ret;
 }
@@ -1139,7 +1133,6 @@ static int nilfs_btree_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr)
 	nilfs_bmap_add_blocks(bmap, stats.bs_nblocks);
 
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 	return ret;
 }
@@ -1472,7 +1465,6 @@ static int nilfs_btree_delete(struct nilfs_bmap *bmap, __u64 key)
 	nilfs_bmap_sub_blocks(bmap, stats.bs_nblocks);
 
 out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 	return ret;
 }
@@ -1490,7 +1482,6 @@ static int nilfs_btree_last_key(const struct nilfs_bmap *bmap, __u64 *keyp)
 
 	ret = nilfs_btree_do_lookup_last(btree, path, keyp, NULL);
 
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 
 	return ret;
@@ -1944,7 +1935,6 @@ static int nilfs_btree_propagate(const struct nilfs_bmap *bmap,
 		nilfs_btree_propagate_p(btree, path, level, bh);
 
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 
 	return ret;
@@ -2126,7 +2116,6 @@ static int nilfs_btree_assign(struct nilfs_bmap *bmap,
 		nilfs_btree_assign_p(btree, path, level, bh, blocknr, binfo);
 
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 
 	return ret;
@@ -2190,7 +2179,6 @@ static int nilfs_btree_mark(struct nilfs_bmap *bmap, __u64 key, int level)
 		nilfs_bmap_set_dirty(&btree->bt_bmap);
 
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 	return ret;
 }

From 277a6a34175dcb0ee98dceee619e0e3190347a25 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Fri, 2 Apr 2010 18:02:33 +0900
Subject: [PATCH 0747/3638] nilfs2: change default of 'errors' mount option to
 'remount-ro' mode

Like ext3, nilfs has 'errors' mount option to allow specifying desired
behavior on severe errors.

Currently, the default action is 'errors=continue' and has potential
to advance filesystem corruption for severe errors.

This will change the action to 'errors=remount-ro' to avoid the issue.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 Documentation/filesystems/nilfs2.txt | 4 ++--
 fs/nilfs2/super.c                    | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/filesystems/nilfs2.txt b/Documentation/filesystems/nilfs2.txt
index cf6d0d85ca8..d3e7673995e 100644
--- a/Documentation/filesystems/nilfs2.txt
+++ b/Documentation/filesystems/nilfs2.txt
@@ -50,8 +50,8 @@ NILFS2 supports the following mount options:
 (*) == default
 
 nobarrier		Disables barriers.
-errors=continue(*)	Keep going on a filesystem error.
-errors=remount-ro	Remount the filesystem read-only on an error.
+errors=continue		Keep going on a filesystem error.
+errors=remount-ro(*)	Remount the filesystem read-only on an error.
 errors=panic		Panic and halt the machine if an error occurs.
 cp=n			Specify the checkpoint-number of the snapshot to be
 			mounted.  Checkpoints and snapshots are listed by lscp
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 48145f505a6..0b1758bf072 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -470,10 +470,10 @@ static int nilfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	if (nilfs_test_opt(sbi, SNAPSHOT))
 		seq_printf(seq, ",cp=%llu",
 			   (unsigned long long int)sbi->s_snapshot_cno);
-	if (nilfs_test_opt(sbi, ERRORS_RO))
-		seq_printf(seq, ",errors=remount-ro");
 	if (nilfs_test_opt(sbi, ERRORS_PANIC))
 		seq_printf(seq, ",errors=panic");
+	if (nilfs_test_opt(sbi, ERRORS_CONT))
+		seq_printf(seq, ",errors=continue");
 	if (nilfs_test_opt(sbi, STRICT_ORDER))
 		seq_printf(seq, ",order=strict");
 	if (nilfs_test_opt(sbi, NORECOVERY))
@@ -631,7 +631,7 @@ nilfs_set_default_options(struct nilfs_sb_info *sbi,
 			  struct nilfs_super_block *sbp)
 {
 	sbi->s_mount_opt =
-		NILFS_MOUNT_ERRORS_CONT | NILFS_MOUNT_BARRIER;
+		NILFS_MOUNT_ERRORS_RO | NILFS_MOUNT_BARRIER;
 }
 
 static int nilfs_setup_super(struct nilfs_sb_info *sbi)

From 1e2b68bf285dce604388fcb6f85b7e612156db17 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Tue, 23 Mar 2010 01:15:31 +0900
Subject: [PATCH 0748/3638] nilfs2: move pointer to super root block into logs

This moves a pointer to buffer storing super root block to each log
buffer from nilfs_sc_info struct for simplicity.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/segbuf.c  |  2 ++
 fs/nilfs2/segbuf.h  |  2 ++
 fs/nilfs2/segment.c | 45 +++++++++++++++++++++------------------------
 fs/nilfs2/segment.h |  2 --
 4 files changed, 25 insertions(+), 26 deletions(-)

diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 17851f77f73..a24ca9cc6af 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -81,6 +81,7 @@ struct nilfs_segment_buffer *nilfs_segbuf_new(struct super_block *sb)
 	INIT_LIST_HEAD(&segbuf->sb_list);
 	INIT_LIST_HEAD(&segbuf->sb_segsum_buffers);
 	INIT_LIST_HEAD(&segbuf->sb_payload_buffers);
+	segbuf->sb_super_root = NULL;
 
 	init_completion(&segbuf->sb_bio_event);
 	atomic_set(&segbuf->sb_err, 0);
@@ -282,6 +283,7 @@ static void nilfs_segbuf_clear(struct nilfs_segment_buffer *segbuf)
 {
 	nilfs_release_buffers(&segbuf->sb_segsum_buffers);
 	nilfs_release_buffers(&segbuf->sb_payload_buffers);
+	segbuf->sb_super_root = NULL;
 }
 
 /*
diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index 94dfd3517bc..a1a0af6119e 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -76,6 +76,7 @@ struct nilfs_segsum_info {
  * @sb_rest_blocks: Number of residual blocks in the current segment
  * @sb_segsum_buffers: List of buffers for segment summaries
  * @sb_payload_buffers: List of buffers for segment payload
+ * @sb_super_root: Pointer to buffer storing a super root block (if exists)
  * @sb_nbio: Number of flying bio requests
  * @sb_err: I/O error status
  * @sb_bio_event: Completion event of log writing
@@ -95,6 +96,7 @@ struct nilfs_segment_buffer {
 	/* Buffers */
 	struct list_head	sb_segsum_buffers;
 	struct list_head	sb_payload_buffers; /* including super root */
+	struct buffer_head     *sb_super_root;
 
 	/* io status */
 	int			sb_nbio;
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 6a7dbd8451d..7ab0270b262 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -435,7 +435,7 @@ static int nilfs_segctor_add_super_root(struct nilfs_sc_info *sci)
 			return err;
 		segbuf = sci->sc_curseg;
 	}
-	err = nilfs_segbuf_extend_payload(segbuf, &sci->sc_super_root);
+	err = nilfs_segbuf_extend_payload(segbuf, &segbuf->sb_super_root);
 	if (likely(!err))
 		segbuf->sb_sum.flags |= NILFS_SS_SR;
 	return err;
@@ -952,10 +952,10 @@ static void nilfs_segctor_fill_in_checksums(struct nilfs_sc_info *sci,
 {
 	struct nilfs_segment_buffer *segbuf;
 
-	if (sci->sc_super_root)
-		nilfs_fill_in_super_root_crc(sci->sc_super_root, seed);
-
 	list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) {
+		if (segbuf->sb_super_root)
+			nilfs_fill_in_super_root_crc(segbuf->sb_super_root,
+						     seed);
 		nilfs_segbuf_fill_in_segsum_crc(segbuf, seed);
 		nilfs_segbuf_fill_in_data_crc(segbuf, seed);
 	}
@@ -964,11 +964,13 @@ static void nilfs_segctor_fill_in_checksums(struct nilfs_sc_info *sci,
 static void nilfs_segctor_fill_in_super_root(struct nilfs_sc_info *sci,
 					     struct the_nilfs *nilfs)
 {
-	struct buffer_head *bh_sr = sci->sc_super_root;
-	struct nilfs_super_root *raw_sr =
-		(struct nilfs_super_root *)bh_sr->b_data;
+	struct buffer_head *bh_sr;
+	struct nilfs_super_root *raw_sr;
 	unsigned isz = nilfs->ns_inode_size;
 
+	bh_sr = NILFS_LAST_SEGBUF(&sci->sc_segbufs)->sb_super_root;
+	raw_sr = (struct nilfs_super_root *)bh_sr->b_data;
+
 	raw_sr->sr_bytes = cpu_to_le16(NILFS_SR_BYTES);
 	raw_sr->sr_nongc_ctime
 		= cpu_to_le64(nilfs_doing_gc() ?
@@ -1491,7 +1493,6 @@ static int nilfs_segctor_collect(struct nilfs_sc_info *sci,
 
 	/* Collection retry loop */
 	for (;;) {
-		sci->sc_super_root = NULL;
 		sci->sc_nblk_this_inc = 0;
 		sci->sc_curseg = NILFS_FIRST_SEGBUF(&sci->sc_segbufs);
 
@@ -1568,7 +1569,7 @@ nilfs_segctor_update_payload_blocknr(struct nilfs_sc_info *sci,
 	ssp.offset = sizeof(struct nilfs_segment_summary);
 
 	list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) {
-		if (bh == sci->sc_super_root)
+		if (bh == segbuf->sb_super_root)
 			break;
 		if (!finfo) {
 			finfo =	nilfs_segctor_map_segsum_entry(
@@ -1729,7 +1730,7 @@ static int nilfs_segctor_prepare_write(struct nilfs_sc_info *sci,
 
 		list_for_each_entry(bh, &segbuf->sb_payload_buffers,
 				    b_assoc_buffers) {
-			if (bh == sci->sc_super_root) {
+			if (bh == segbuf->sb_super_root) {
 				if (bh->b_page != bd_page) {
 					lock_page(bd_page);
 					clear_page_dirty_for_io(bd_page);
@@ -1848,7 +1849,7 @@ static void nilfs_clear_copied_buffers(struct list_head *list, int err)
 }
 
 static void nilfs_abort_logs(struct list_head *logs, struct page *failed_page,
-			     struct buffer_head *bh_sr, int err)
+			     int err)
 {
 	struct nilfs_segment_buffer *segbuf;
 	struct page *bd_page = NULL, *fs_page = NULL;
@@ -1869,7 +1870,7 @@ static void nilfs_abort_logs(struct list_head *logs, struct page *failed_page,
 
 		list_for_each_entry(bh, &segbuf->sb_payload_buffers,
 				    b_assoc_buffers) {
-			if (bh == bh_sr) {
+			if (bh == segbuf->sb_super_root) {
 				if (bh->b_page != bd_page) {
 					end_page_writeback(bd_page);
 					bd_page = bh->b_page;
@@ -1898,7 +1899,7 @@ static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci,
 
 	list_splice_tail_init(&sci->sc_write_logs, &logs);
 	ret = nilfs_wait_on_logs(&logs);
-	nilfs_abort_logs(&logs, NULL, sci->sc_super_root, ret ? : err);
+	nilfs_abort_logs(&logs, NULL, ret ? : err);
 
 	list_splice_tail_init(&sci->sc_segbufs, &logs);
 	nilfs_cancel_segusage(&logs, nilfs->ns_sufile);
@@ -1914,7 +1915,6 @@ static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci,
 	}
 
 	nilfs_destroy_logs(&logs);
-	sci->sc_super_root = NULL;
 }
 
 static void nilfs_set_next_segment(struct the_nilfs *nilfs,
@@ -1933,7 +1933,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
 	struct nilfs_segment_buffer *segbuf;
 	struct page *bd_page = NULL, *fs_page = NULL;
 	struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs;
-	int update_sr = (sci->sc_super_root != NULL);
+	int update_sr = false;
 
 	list_for_each_entry(segbuf, &sci->sc_write_logs, sb_list) {
 		struct buffer_head *bh;
@@ -1964,11 +1964,12 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
 			set_buffer_uptodate(bh);
 			clear_buffer_dirty(bh);
 			clear_buffer_nilfs_volatile(bh);
-			if (bh == sci->sc_super_root) {
+			if (bh == segbuf->sb_super_root) {
 				if (bh->b_page != bd_page) {
 					end_page_writeback(bd_page);
 					bd_page = bh->b_page;
 				}
+				update_sr = true;
 				break;
 			}
 			if (bh->b_page != fs_page) {
@@ -2115,7 +2116,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
 	struct nilfs_sb_info *sbi = sci->sc_sbi;
 	struct the_nilfs *nilfs = sbi->s_nilfs;
 	struct page *failed_page;
-	int err, has_sr = 0;
+	int err;
 
 	sci->sc_stage.scnt = NILFS_ST_INIT;
 
@@ -2143,8 +2144,6 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
 		if (unlikely(err))
 			goto failed;
 
-		has_sr = (sci->sc_super_root != NULL);
-
 		/* Avoid empty segment */
 		if (sci->sc_stage.scnt == NILFS_ST_DONE &&
 		    NILFS_SEG_EMPTY(&sci->sc_curseg->sb_sum)) {
@@ -2159,7 +2158,8 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
 		if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED)
 			nilfs_segctor_fill_in_file_bmap(sci, sbi->s_ifile);
 
-		if (has_sr) {
+		if (mode == SC_LSEG_SR &&
+		    sci->sc_stage.scnt >= NILFS_ST_CPFILE) {
 			err = nilfs_segctor_fill_in_checkpoint(sci);
 			if (unlikely(err))
 				goto failed_to_write;
@@ -2171,8 +2171,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
 		/* Write partial segments */
 		err = nilfs_segctor_prepare_write(sci, &failed_page);
 		if (err) {
-			nilfs_abort_logs(&sci->sc_segbufs, failed_page,
-					 sci->sc_super_root, err);
+			nilfs_abort_logs(&sci->sc_segbufs, failed_page, err);
 			goto failed_to_write;
 		}
 		nilfs_segctor_fill_in_checksums(sci, nilfs->ns_crc_seed);
@@ -2196,8 +2195,6 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
 		}
 	} while (sci->sc_stage.scnt != NILFS_ST_DONE);
 
-	sci->sc_super_root = NULL;
-
  out:
 	nilfs_segctor_check_out_files(sci, sbi);
 	return err;
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h
index 82dfd6a686b..e61fc797383 100644
--- a/fs/nilfs2/segment.h
+++ b/fs/nilfs2/segment.h
@@ -100,7 +100,6 @@ struct nilfs_segsum_pointer {
  * @sc_write_logs: List of segment buffers to hold logs under writing
  * @sc_segbuf_nblocks: Number of available blocks in segment buffers.
  * @sc_curseg: Current segment buffer
- * @sc_super_root: Pointer to the super root buffer
  * @sc_stage: Collection stage
  * @sc_finfo_ptr: pointer to the current finfo struct in the segment summary
  * @sc_binfo_ptr: pointer to the current binfo struct in the segment summary
@@ -148,7 +147,6 @@ struct nilfs_sc_info {
 	struct list_head	sc_write_logs;
 	unsigned long		sc_segbuf_nblocks;
 	struct nilfs_segment_buffer *sc_curseg;
-	struct buffer_head     *sc_super_root;
 
 	struct nilfs_cstage	sc_stage;
 

From aaed1d5bfac459ead9aaad324e7fe3326250f50a Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Tue, 23 Mar 2010 01:50:38 +0900
Subject: [PATCH 0749/3638] nilfs2: move out checksum routines to segment
 buffer code

This moves out checksum routines in log writer to segbuf.c for
cleanup.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/segbuf.c  | 39 +++++++++++++++++++++++++++++++++++----
 fs/nilfs2/segbuf.h  |  3 +--
 fs/nilfs2/segment.c | 33 +++------------------------------
 3 files changed, 39 insertions(+), 36 deletions(-)

diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index a24ca9cc6af..6bf3b1f3406 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -202,8 +202,8 @@ void nilfs_segbuf_fill_in_segsum(struct nilfs_segment_buffer *segbuf)
 /*
  * CRC calculation routines
  */
-void nilfs_segbuf_fill_in_segsum_crc(struct nilfs_segment_buffer *segbuf,
-				     u32 seed)
+static void
+nilfs_segbuf_fill_in_segsum_crc(struct nilfs_segment_buffer *segbuf, u32 seed)
 {
 	struct buffer_head *bh;
 	struct nilfs_segment_summary *raw_sum;
@@ -230,8 +230,8 @@ void nilfs_segbuf_fill_in_segsum_crc(struct nilfs_segment_buffer *segbuf,
 	raw_sum->ss_sumsum = cpu_to_le32(crc);
 }
 
-void nilfs_segbuf_fill_in_data_crc(struct nilfs_segment_buffer *segbuf,
-				   u32 seed)
+static void nilfs_segbuf_fill_in_data_crc(struct nilfs_segment_buffer *segbuf,
+					  u32 seed)
 {
 	struct buffer_head *bh;
 	struct nilfs_segment_summary *raw_sum;
@@ -257,6 +257,20 @@ void nilfs_segbuf_fill_in_data_crc(struct nilfs_segment_buffer *segbuf,
 	raw_sum->ss_datasum = cpu_to_le32(crc);
 }
 
+static void
+nilfs_segbuf_fill_in_super_root_crc(struct nilfs_segment_buffer *segbuf,
+				    u32 seed)
+{
+	struct nilfs_super_root *raw_sr;
+	u32 crc;
+
+	raw_sr = (struct nilfs_super_root *)segbuf->sb_super_root->b_data;
+	crc = crc32_le(seed,
+		       (unsigned char *)raw_sr + sizeof(raw_sr->sr_sum),
+		       NILFS_SR_BYTES - sizeof(raw_sr->sr_sum));
+	raw_sr->sr_sum = cpu_to_le32(crc);
+}
+
 static void nilfs_release_buffers(struct list_head *list)
 {
 	struct buffer_head *bh, *n;
@@ -336,6 +350,23 @@ int nilfs_wait_on_logs(struct list_head *logs)
 	return ret;
 }
 
+/**
+ * nilfs_add_checksums_on_logs - add checksums on the logs
+ * @logs: list of segment buffers storing target logs
+ * @seed: checksum seed value
+ */
+void nilfs_add_checksums_on_logs(struct list_head *logs, u32 seed)
+{
+	struct nilfs_segment_buffer *segbuf;
+
+	list_for_each_entry(segbuf, logs, sb_list) {
+		if (segbuf->sb_super_root)
+			nilfs_segbuf_fill_in_super_root_crc(segbuf, seed);
+		nilfs_segbuf_fill_in_segsum_crc(segbuf, seed);
+		nilfs_segbuf_fill_in_data_crc(segbuf, seed);
+	}
+}
+
 /*
  * BIO operations
  */
diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index a1a0af6119e..ae12c2c3e37 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -139,8 +139,6 @@ int nilfs_segbuf_extend_segsum(struct nilfs_segment_buffer *);
 int nilfs_segbuf_extend_payload(struct nilfs_segment_buffer *,
 				struct buffer_head **);
 void nilfs_segbuf_fill_in_segsum(struct nilfs_segment_buffer *);
-void nilfs_segbuf_fill_in_segsum_crc(struct nilfs_segment_buffer *, u32);
-void nilfs_segbuf_fill_in_data_crc(struct nilfs_segment_buffer *, u32);
 
 static inline void
 nilfs_segbuf_add_segsum_buffer(struct nilfs_segment_buffer *segbuf,
@@ -173,6 +171,7 @@ void nilfs_truncate_logs(struct list_head *logs,
 			 struct nilfs_segment_buffer *last);
 int nilfs_write_logs(struct list_head *logs, struct the_nilfs *nilfs);
 int nilfs_wait_on_logs(struct list_head *logs);
+void nilfs_add_checksums_on_logs(struct list_head *logs, u32 seed);
 
 static inline void nilfs_destroy_logs(struct list_head *logs)
 {
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 7ab0270b262..f649f018958 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -932,35 +932,6 @@ static void nilfs_segctor_fill_in_file_bmap(struct nilfs_sc_info *sci,
 	}
 }
 
-/*
- * CRC calculation routines
- */
-static void nilfs_fill_in_super_root_crc(struct buffer_head *bh_sr, u32 seed)
-{
-	struct nilfs_super_root *raw_sr =
-		(struct nilfs_super_root *)bh_sr->b_data;
-	u32 crc;
-
-	crc = crc32_le(seed,
-		       (unsigned char *)raw_sr + sizeof(raw_sr->sr_sum),
-		       NILFS_SR_BYTES - sizeof(raw_sr->sr_sum));
-	raw_sr->sr_sum = cpu_to_le32(crc);
-}
-
-static void nilfs_segctor_fill_in_checksums(struct nilfs_sc_info *sci,
-					    u32 seed)
-{
-	struct nilfs_segment_buffer *segbuf;
-
-	list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) {
-		if (segbuf->sb_super_root)
-			nilfs_fill_in_super_root_crc(segbuf->sb_super_root,
-						     seed);
-		nilfs_segbuf_fill_in_segsum_crc(segbuf, seed);
-		nilfs_segbuf_fill_in_data_crc(segbuf, seed);
-	}
-}
-
 static void nilfs_segctor_fill_in_super_root(struct nilfs_sc_info *sci,
 					     struct the_nilfs *nilfs)
 {
@@ -2174,7 +2145,9 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
 			nilfs_abort_logs(&sci->sc_segbufs, failed_page, err);
 			goto failed_to_write;
 		}
-		nilfs_segctor_fill_in_checksums(sci, nilfs->ns_crc_seed);
+
+		nilfs_add_checksums_on_logs(&sci->sc_segbufs,
+					    nilfs->ns_crc_seed);
 
 		err = nilfs_segctor_write(sci, nilfs);
 		if (unlikely(err))

From 41c88bd74d372db5102996a4ea6167a725c24b5e Mon Sep 17 00:00:00 2001
From: Li Hong <lihong.hi@gmail.com>
Date: Tue, 6 Apr 2010 00:54:11 +0800
Subject: [PATCH 0750/3638] nilfs2: cleanup multi kmem_cache_{create,destroy}
 code

This cleanup patch gives several improvements:

 - Moving all kmem_cache_{create_destroy} calls into one place, which removes
 some small function calls, cleans up error check code and clarify the logic.

 - Mark all initial code in __init section.

 - Remove some very obvious comments.

 - Adjust some declarations.

 - Fix some space-tab issues.

Signed-off-by: Li Hong <lihong.hi@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/btree.c   |  40 -------------
 fs/nilfs2/btree.h   |  23 +++++++-
 fs/nilfs2/segbuf.c  |  25 --------
 fs/nilfs2/segbuf.h  |   1 +
 fs/nilfs2/segment.c |  36 ------------
 fs/nilfs2/segment.h |   2 +
 fs/nilfs2/super.c   | 136 ++++++++++++++++++++++++--------------------
 7 files changed, 98 insertions(+), 165 deletions(-)

diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index dcd4e1c4dea..b27a342c5af 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -31,46 +31,6 @@
 #include "alloc.h"
 #include "dat.h"
 
-/**
- * struct nilfs_btree_path - A path on which B-tree operations are executed
- * @bp_bh: buffer head of node block
- * @bp_sib_bh: buffer head of sibling node block
- * @bp_index: index of child node
- * @bp_oldreq: ptr end request for old ptr
- * @bp_newreq: ptr alloc request for new ptr
- * @bp_op: rebalance operation
- */
-struct nilfs_btree_path {
-	struct buffer_head *bp_bh;
-	struct buffer_head *bp_sib_bh;
-	int bp_index;
-	union nilfs_bmap_ptr_req bp_oldreq;
-	union nilfs_bmap_ptr_req bp_newreq;
-	struct nilfs_btnode_chkey_ctxt bp_ctxt;
-	void (*bp_op)(struct nilfs_btree *, struct nilfs_btree_path *,
-		      int, __u64 *, __u64 *);
-};
-
-/*
- * B-tree path operations
- */
-
-static struct kmem_cache *nilfs_btree_path_cache;
-
-int __init nilfs_btree_path_cache_init(void)
-{
-	nilfs_btree_path_cache =
-		kmem_cache_create("nilfs2_btree_path_cache",
-				  sizeof(struct nilfs_btree_path) *
-				  NILFS_BTREE_LEVEL_MAX, 0, 0, NULL);
-	return (nilfs_btree_path_cache != NULL) ? 0 : -ENOMEM;
-}
-
-void nilfs_btree_path_cache_destroy(void)
-{
-	kmem_cache_destroy(nilfs_btree_path_cache);
-}
-
 static struct nilfs_btree_path *nilfs_btree_alloc_path(void)
 {
 	struct nilfs_btree_path *path;
diff --git a/fs/nilfs2/btree.h b/fs/nilfs2/btree.h
index 4b82d84ade7..af638d59e3b 100644
--- a/fs/nilfs2/btree.h
+++ b/fs/nilfs2/btree.h
@@ -30,9 +30,6 @@
 #include "btnode.h"
 #include "bmap.h"
 
-struct nilfs_btree;
-struct nilfs_btree_path;
-
 /**
  * struct nilfs_btree - B-tree structure
  * @bt_bmap: bmap base structure
@@ -41,6 +38,25 @@ struct nilfs_btree {
 	struct nilfs_bmap bt_bmap;
 };
 
+/**
+ * struct nilfs_btree_path - A path on which B-tree operations are executed
+ * @bp_bh: buffer head of node block
+ * @bp_sib_bh: buffer head of sibling node block
+ * @bp_index: index of child node
+ * @bp_oldreq: ptr end request for old ptr
+ * @bp_newreq: ptr alloc request for new ptr
+ * @bp_op: rebalance operation
+ */
+struct nilfs_btree_path {
+	struct buffer_head *bp_bh;
+	struct buffer_head *bp_sib_bh;
+	int bp_index;
+	union nilfs_bmap_ptr_req bp_oldreq;
+	union nilfs_bmap_ptr_req bp_newreq;
+	struct nilfs_btnode_chkey_ctxt bp_ctxt;
+	void (*bp_op)(struct nilfs_btree *, struct nilfs_btree_path *,
+		      int, __u64 *, __u64 *);
+};
 
 #define NILFS_BTREE_ROOT_SIZE		NILFS_BMAP_SIZE
 #define NILFS_BTREE_ROOT_NCHILDREN_MAX					\
@@ -57,6 +73,7 @@ struct nilfs_btree {
 #define NILFS_BTREE_KEY_MIN	((__u64)0)
 #define NILFS_BTREE_KEY_MAX	(~(__u64)0)
 
+extern struct kmem_cache *nilfs_btree_path_cache;
 
 int nilfs_btree_path_cache_init(void);
 void nilfs_btree_path_cache_destroy(void);
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 6bf3b1f3406..9f83bc02593 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -40,35 +40,10 @@ struct nilfs_write_info {
 	sector_t		blocknr;
 };
 
-
 static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
 			      struct the_nilfs *nilfs);
 static int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf);
 
-
-static struct kmem_cache *nilfs_segbuf_cachep;
-
-static void nilfs_segbuf_init_once(void *obj)
-{
-	memset(obj, 0, sizeof(struct nilfs_segment_buffer));
-}
-
-int __init nilfs_init_segbuf_cache(void)
-{
-	nilfs_segbuf_cachep =
-		kmem_cache_create("nilfs2_segbuf_cache",
-				  sizeof(struct nilfs_segment_buffer),
-				  0, SLAB_RECLAIM_ACCOUNT,
-				  nilfs_segbuf_init_once);
-
-	return (nilfs_segbuf_cachep == NULL) ? -ENOMEM : 0;
-}
-
-void nilfs_destroy_segbuf_cache(void)
-{
-	kmem_cache_destroy(nilfs_segbuf_cachep);
-}
-
 struct nilfs_segment_buffer *nilfs_segbuf_new(struct super_block *sb)
 {
 	struct nilfs_segment_buffer *segbuf;
diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index ae12c2c3e37..e21497f61b0 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -123,6 +123,7 @@ struct nilfs_segment_buffer {
 		    b_assoc_buffers))
 #define NILFS_SEGBUF_BH_IS_LAST(bh, head)  ((bh)->b_assoc_buffers.next == head)
 
+extern struct kmem_cache *nilfs_segbuf_cachep;
 
 int __init nilfs_init_segbuf_cache(void);
 void nilfs_destroy_segbuf_cache(void);
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index f649f018958..a17bfa193e3 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -116,42 +116,6 @@ static void nilfs_dispose_list(struct nilfs_sb_info *, struct list_head *,
 #define nilfs_cnt32_lt(a, b)  nilfs_cnt32_gt(b, a)
 #define nilfs_cnt32_le(a, b)  nilfs_cnt32_ge(b, a)
 
-/*
- * Transaction
- */
-static struct kmem_cache *nilfs_transaction_cachep;
-
-/**
- * nilfs_init_transaction_cache - create a cache for nilfs_transaction_info
- *
- * nilfs_init_transaction_cache() creates a slab cache for the struct
- * nilfs_transaction_info.
- *
- * Return Value: On success, it returns 0. On error, one of the following
- * negative error code is returned.
- *
- * %-ENOMEM - Insufficient memory available.
- */
-int nilfs_init_transaction_cache(void)
-{
-	nilfs_transaction_cachep =
-		kmem_cache_create("nilfs2_transaction_cache",
-				  sizeof(struct nilfs_transaction_info),
-				  0, SLAB_RECLAIM_ACCOUNT, NULL);
-	return (nilfs_transaction_cachep == NULL) ? -ENOMEM : 0;
-}
-
-/**
- * nilfs_destroy_transaction_cache - destroy the cache for transaction info
- *
- * nilfs_destroy_transaction_cache() frees the slab cache for the struct
- * nilfs_transaction_info.
- */
-void nilfs_destroy_transaction_cache(void)
-{
-	kmem_cache_destroy(nilfs_transaction_cachep);
-}
-
 static int nilfs_prepare_segment_lock(struct nilfs_transaction_info *ti)
 {
 	struct nilfs_transaction_info *cur_ti = current->journal_info;
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h
index e61fc797383..7aca7653268 100644
--- a/fs/nilfs2/segment.h
+++ b/fs/nilfs2/segment.h
@@ -217,6 +217,8 @@ enum {
  */
 #define NILFS_SC_DEFAULT_WATERMARK  3600
 
+/* super.c */
+extern struct kmem_cache *nilfs_transaction_cachep;
 
 /* segment.c */
 extern int nilfs_init_transaction_cache(void);
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 0b1758bf072..5a08c82e7e2 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -67,6 +67,11 @@ MODULE_DESCRIPTION("A New Implementation of the Log-structured Filesystem "
 		   "(NILFS)");
 MODULE_LICENSE("GPL");
 
+struct kmem_cache *nilfs_inode_cachep;
+struct kmem_cache *nilfs_transaction_cachep;
+struct kmem_cache *nilfs_segbuf_cachep;
+struct kmem_cache *nilfs_btree_path_cache;
+
 static int nilfs_remount(struct super_block *sb, int *flags, char *data);
 
 /**
@@ -129,7 +134,6 @@ void nilfs_warning(struct super_block *sb, const char *function,
 	va_end(args);
 }
 
-static struct kmem_cache *nilfs_inode_cachep;
 
 struct inode *nilfs_alloc_inode_common(struct the_nilfs *nilfs)
 {
@@ -155,34 +159,6 @@ void nilfs_destroy_inode(struct inode *inode)
 	kmem_cache_free(nilfs_inode_cachep, NILFS_I(inode));
 }
 
-static void init_once(void *obj)
-{
-	struct nilfs_inode_info *ii = obj;
-
-	INIT_LIST_HEAD(&ii->i_dirty);
-#ifdef CONFIG_NILFS_XATTR
-	init_rwsem(&ii->xattr_sem);
-#endif
-	nilfs_btnode_cache_init_once(&ii->i_btnode_cache);
-	ii->i_bmap = (struct nilfs_bmap *)&ii->i_bmap_union;
-	inode_init_once(&ii->vfs_inode);
-}
-
-static int nilfs_init_inode_cache(void)
-{
-	nilfs_inode_cachep = kmem_cache_create("nilfs2_inode_cache",
-					       sizeof(struct nilfs_inode_info),
-					       0, SLAB_RECLAIM_ACCOUNT,
-					       init_once);
-
-	return (nilfs_inode_cachep == NULL) ? -ENOMEM : 0;
-}
-
-static inline void nilfs_destroy_inode_cache(void)
-{
-	kmem_cache_destroy(nilfs_inode_cachep);
-}
-
 static void nilfs_clear_inode(struct inode *inode)
 {
 	struct nilfs_inode_info *ii = NILFS_I(inode);
@@ -1139,54 +1115,92 @@ struct file_system_type nilfs_fs_type = {
 	.fs_flags = FS_REQUIRES_DEV,
 };
 
+static void nilfs_inode_init_once(void *obj)
+{
+	struct nilfs_inode_info *ii = obj;
+
+	INIT_LIST_HEAD(&ii->i_dirty);
+#ifdef CONFIG_NILFS_XATTR
+	init_rwsem(&ii->xattr_sem);
+#endif
+	nilfs_btnode_cache_init_once(&ii->i_btnode_cache);
+	ii->i_bmap = (struct nilfs_bmap *)&ii->i_bmap_union;
+	inode_init_once(&ii->vfs_inode);
+}
+
+static void nilfs_segbuf_init_once(void *obj)
+{
+	memset(obj, 0, sizeof(struct nilfs_segment_buffer));
+}
+
+static void nilfs_destroy_cachep(void)
+{
+	 if (nilfs_inode_cachep)
+		kmem_cache_destroy(nilfs_inode_cachep);
+	 if (nilfs_transaction_cachep)
+		kmem_cache_destroy(nilfs_transaction_cachep);
+	 if (nilfs_segbuf_cachep)
+		kmem_cache_destroy(nilfs_segbuf_cachep);
+	 if (nilfs_btree_path_cache)
+		kmem_cache_destroy(nilfs_btree_path_cache);
+}
+
+static int __init nilfs_init_cachep(void)
+{
+	nilfs_inode_cachep = kmem_cache_create("nilfs2_inode_cache",
+			sizeof(struct nilfs_inode_info), 0,
+			SLAB_RECLAIM_ACCOUNT, nilfs_inode_init_once);
+	if (!nilfs_inode_cachep)
+		goto fail;
+
+	nilfs_transaction_cachep = kmem_cache_create("nilfs2_transaction_cache",
+			sizeof(struct nilfs_transaction_info), 0,
+			SLAB_RECLAIM_ACCOUNT, NULL);
+	if (!nilfs_transaction_cachep)
+		goto fail;
+
+	nilfs_segbuf_cachep = kmem_cache_create("nilfs2_segbuf_cache",
+			sizeof(struct nilfs_segment_buffer), 0,
+			SLAB_RECLAIM_ACCOUNT, nilfs_segbuf_init_once);
+	if (!nilfs_segbuf_cachep)
+		goto fail;
+
+	nilfs_btree_path_cache = kmem_cache_create("nilfs2_btree_path_cache",
+			sizeof(struct nilfs_btree_path) * NILFS_BTREE_LEVEL_MAX,
+			0, 0, NULL);
+	if (!nilfs_btree_path_cache)
+		goto fail;
+
+	return 0;
+
+fail:
+	nilfs_destroy_cachep();
+	return -ENOMEM;
+}
+
 static int __init init_nilfs_fs(void)
 {
 	int err;
 
-	err = nilfs_init_inode_cache();
+	err = nilfs_init_cachep();
 	if (err)
-		goto failed;
-
-	err = nilfs_init_transaction_cache();
-	if (err)
-		goto failed_inode_cache;
-
-	err = nilfs_init_segbuf_cache();
-	if (err)
-		goto failed_transaction_cache;
-
-	err = nilfs_btree_path_cache_init();
-	if (err)
-		goto failed_segbuf_cache;
+		goto fail;
 
 	err = register_filesystem(&nilfs_fs_type);
 	if (err)
-		goto failed_btree_path_cache;
+		goto free_cachep;
 
 	return 0;
 
- failed_btree_path_cache:
-	nilfs_btree_path_cache_destroy();
-
- failed_segbuf_cache:
-	nilfs_destroy_segbuf_cache();
-
- failed_transaction_cache:
-	nilfs_destroy_transaction_cache();
-
- failed_inode_cache:
-	nilfs_destroy_inode_cache();
-
- failed:
+free_cachep:
+	nilfs_destroy_cachep();
+fail:
 	return err;
 }
 
 static void __exit exit_nilfs_fs(void)
 {
-	nilfs_destroy_segbuf_cache();
-	nilfs_destroy_transaction_cache();
-	nilfs_destroy_inode_cache();
-	nilfs_btree_path_cache_destroy();
+	nilfs_destroy_cachep();
 	unregister_filesystem(&nilfs_fs_type);
 }
 

From 9f130263f30233a44a3175db3218dd89af143d64 Mon Sep 17 00:00:00 2001
From: Li Hong <lihong.hi@gmail.com>
Date: Fri, 9 Apr 2010 23:09:53 +0800
Subject: [PATCH 0751/3638] nilfs2: add a print message after loading nilfs2

Printing a message after loading a file system is a practice. Add this to
provide a better user-friendly experience.

Signed-off-by: Li Hong <lihong.hi@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 5a08c82e7e2..a512c3b2cb7 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1190,6 +1190,7 @@ static int __init init_nilfs_fs(void)
 	if (err)
 		goto free_cachep;
 
+	printk(KERN_INFO "NILFS version 2 loaded\n");
 	return 0;
 
 free_cachep:

From 50614bcf29d0cec6df5b84c0d8331e8b8c7d72a7 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sat, 10 Apr 2010 17:59:15 +0900
Subject: [PATCH 0752/3638] nilfs2: insert checkpoint number in segment summary
 header

This adds a field to record the latest checkpoint number in the
nilfs_segment_summary structure.  This will help to recover the latest
checkpoint number from logs on disk.  This field is intended for
crucial cases in which super blocks have lost pointer to the latest
log.

Even though this will change the disk format, both backward and
forward compatibility is preserved by a size field prepared in the
segment summary header.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/recovery.c      | 2 ++
 fs/nilfs2/segbuf.c        | 4 +++-
 fs/nilfs2/segbuf.h        | 4 +++-
 fs/nilfs2/segment.c       | 3 ++-
 include/linux/nilfs2_fs.h | 2 ++
 5 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index ba43146f3c3..bae2a516b4e 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -105,6 +105,8 @@ static void store_segsum_info(struct nilfs_segsum_info *ssi,
 
 	ssi->nsumblk = DIV_ROUND_UP(ssi->sumbytes, blocksize);
 	ssi->nfileblk = ssi->nblocks - ssi->nsumblk - !!NILFS_SEG_HAS_SR(ssi);
+
+	/* need to verify ->ss_bytes field if read ->ss_cno */
 }
 
 /**
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 9f83bc02593..2e6a2723b8f 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -134,7 +134,7 @@ int nilfs_segbuf_extend_payload(struct nilfs_segment_buffer *segbuf,
 }
 
 int nilfs_segbuf_reset(struct nilfs_segment_buffer *segbuf, unsigned flags,
-		       time_t ctime)
+		       time_t ctime, __u64 cno)
 {
 	int err;
 
@@ -147,6 +147,7 @@ int nilfs_segbuf_reset(struct nilfs_segment_buffer *segbuf, unsigned flags,
 	segbuf->sb_sum.sumbytes = sizeof(struct nilfs_segment_summary);
 	segbuf->sb_sum.nfinfo = segbuf->sb_sum.nfileblk = 0;
 	segbuf->sb_sum.ctime = ctime;
+	segbuf->sb_sum.cno = cno;
 	return 0;
 }
 
@@ -172,6 +173,7 @@ void nilfs_segbuf_fill_in_segsum(struct nilfs_segment_buffer *segbuf)
 	raw_sum->ss_nfinfo   = cpu_to_le32(segbuf->sb_sum.nfinfo);
 	raw_sum->ss_sumbytes = cpu_to_le32(segbuf->sb_sum.sumbytes);
 	raw_sum->ss_pad      = 0;
+	raw_sum->ss_cno      = cpu_to_le64(segbuf->sb_sum.cno);
 }
 
 /*
diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index e21497f61b0..fdf1c3b6d67 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -37,6 +37,7 @@
  * @sumbytes: Byte count of segment summary
  * @nfileblk: Total number of file blocks
  * @seg_seq: Segment sequence number
+ * @cno: Checkpoint number
  * @ctime: Creation time
  * @next: Block number of the next full segment
  */
@@ -48,6 +49,7 @@ struct nilfs_segsum_info {
 	unsigned long		sumbytes;
 	unsigned long		nfileblk;
 	u64			seg_seq;
+	__u64			cno;
 	time_t			ctime;
 	sector_t		next;
 };
@@ -135,7 +137,7 @@ void nilfs_segbuf_map_cont(struct nilfs_segment_buffer *segbuf,
 			   struct nilfs_segment_buffer *prev);
 void nilfs_segbuf_set_next_segnum(struct nilfs_segment_buffer *, __u64,
 				  struct the_nilfs *);
-int nilfs_segbuf_reset(struct nilfs_segment_buffer *, unsigned, time_t);
+int nilfs_segbuf_reset(struct nilfs_segment_buffer *, unsigned, time_t, __u64);
 int nilfs_segbuf_extend_segsum(struct nilfs_segment_buffer *);
 int nilfs_segbuf_extend_payload(struct nilfs_segment_buffer *,
 				struct buffer_head **);
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index a17bfa193e3..9f50fde0cd0 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -366,7 +366,8 @@ static int nilfs_segctor_reset_segment_buffer(struct nilfs_sc_info *sci)
 
 	if (nilfs_doing_gc())
 		flags = NILFS_SS_GC;
-	err = nilfs_segbuf_reset(segbuf, flags, sci->sc_seg_ctime);
+	err = nilfs_segbuf_reset(segbuf, flags, sci->sc_seg_ctime,
+				 sci->sc_sbi->s_nilfs->ns_cno);
 	if (unlikely(err))
 		return err;
 
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index f960e1d264e..6505c00f1fc 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -377,6 +377,7 @@ union nilfs_binfo {
  * @ss_nfinfo: number of finfo structures
  * @ss_sumbytes: total size of segment summary in bytes
  * @ss_pad: padding
+ * @ss_cno: checkpoint number
  */
 struct nilfs_segment_summary {
 	__le32 ss_datasum;
@@ -391,6 +392,7 @@ struct nilfs_segment_summary {
 	__le32 ss_nfinfo;
 	__le32 ss_sumbytes;
 	__le32 ss_pad;
+	__le64 ss_cno;
 	/* array of finfo structures */
 };
 

From 154ac5a83014cd6ea72e4ac5018bf8c10ee9a79e Mon Sep 17 00:00:00 2001
From: Li Hong <lihong.hi@gmail.com>
Date: Sat, 10 Apr 2010 21:57:11 +0800
Subject: [PATCH 0753/3638] nilfs2: remove nilfs_segctor_init() in segment.c

There are only two lines of code in nilfs_segctor_init(). From a logic
design view, the first line 'sci->sc_seq_done = sci->sc_seq_request;'
should be put in nilfs_segctor_new(). Even in nilfs_segctor_new(),
this initialization is needless because sci is kzalloc-ed. So
nilfs_segctor_init() is only a wrap call to
nilfs_segctor_start_thread().

Signed-off-by: Li Hong <lihong.hi@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/segment.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 9f50fde0cd0..89a15f4bfeb 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -2685,13 +2685,6 @@ static void nilfs_segctor_kill_thread(struct nilfs_sc_info *sci)
 	}
 }
 
-static int nilfs_segctor_init(struct nilfs_sc_info *sci)
-{
-	sci->sc_seq_done = sci->sc_seq_request;
-
-	return nilfs_segctor_start_thread(sci);
-}
-
 /*
  * Setup & clean-up functions
  */
@@ -2815,7 +2808,7 @@ int nilfs_attach_segment_constructor(struct nilfs_sb_info *sbi)
 		return -ENOMEM;
 
 	nilfs_attach_writer(nilfs, sbi);
-	err = nilfs_segctor_init(NILFS_SC(sbi));
+	err = nilfs_segctor_start_thread(NILFS_SC(sbi));
 	if (err) {
 		nilfs_detach_writer(nilfs, sbi);
 		kfree(sbi->s_sc_info);

From fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 Mon Sep 17 00:00:00 2001
From: Li Hong <lihong.hi@gmail.com>
Date: Sat, 10 Apr 2010 23:25:39 +0800
Subject: [PATCH 0754/3638] nilfs2: change sc_timer from a pointer to an
 embedded one in struct nilfs_sc_info

In nilfs_segctor_thread(), timer is a local variable allocated on stack. Its
address can't be set to sci->sc_timer and passed in several procedures.

It works now by chance, just because other procedures are called by
nilfs_segctor_thread() directly or indirectly and the stack hasn't been
deallocated yet.

Signed-off-by: Li Hong <lihong.hi@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/segment.c | 31 +++++++++++++------------------
 fs/nilfs2/segment.h |  2 +-
 2 files changed, 14 insertions(+), 19 deletions(-)

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 89a15f4bfeb..8b4e280b96b 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -2159,9 +2159,9 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
 static void nilfs_segctor_start_timer(struct nilfs_sc_info *sci)
 {
 	spin_lock(&sci->sc_state_lock);
-	if (sci->sc_timer && !(sci->sc_state & NILFS_SEGCTOR_COMMIT)) {
-		sci->sc_timer->expires = jiffies + sci->sc_interval;
-		add_timer(sci->sc_timer);
+	if (!(sci->sc_state & NILFS_SEGCTOR_COMMIT)) {
+		sci->sc_timer.expires = jiffies + sci->sc_interval;
+		add_timer(&sci->sc_timer);
 		sci->sc_state |= NILFS_SEGCTOR_COMMIT;
 	}
 	spin_unlock(&sci->sc_state_lock);
@@ -2366,9 +2366,7 @@ static void nilfs_segctor_accept(struct nilfs_sc_info *sci)
 	spin_lock(&sci->sc_state_lock);
 	sci->sc_seq_accepted = sci->sc_seq_request;
 	spin_unlock(&sci->sc_state_lock);
-
-	if (sci->sc_timer)
-		del_timer_sync(sci->sc_timer);
+	del_timer_sync(&sci->sc_timer);
 }
 
 /**
@@ -2394,9 +2392,9 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err)
 			sci->sc_flush_request &= ~FLUSH_DAT_BIT;
 
 		/* re-enable timer if checkpoint creation was not done */
-		if (sci->sc_timer && (sci->sc_state & NILFS_SEGCTOR_COMMIT) &&
-		    time_before(jiffies, sci->sc_timer->expires))
-			add_timer(sci->sc_timer);
+		if ((sci->sc_state & NILFS_SEGCTOR_COMMIT) &&
+		    time_before(jiffies, sci->sc_timer.expires))
+			add_timer(&sci->sc_timer);
 	}
 	spin_unlock(&sci->sc_state_lock);
 }
@@ -2575,13 +2573,10 @@ static int nilfs_segctor_thread(void *arg)
 {
 	struct nilfs_sc_info *sci = (struct nilfs_sc_info *)arg;
 	struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs;
-	struct timer_list timer;
 	int timeout = 0;
 
-	init_timer(&timer);
-	timer.data = (unsigned long)current;
-	timer.function = nilfs_construction_timeout;
-	sci->sc_timer = &timer;
+	sci->sc_timer.data = (unsigned long)current;
+	sci->sc_timer.function = nilfs_construction_timeout;
 
 	/* start sync. */
 	sci->sc_task = current;
@@ -2630,7 +2625,7 @@ static int nilfs_segctor_thread(void *arg)
 			should_sleep = 0;
 		else if (sci->sc_state & NILFS_SEGCTOR_COMMIT)
 			should_sleep = time_before(jiffies,
-						   sci->sc_timer->expires);
+					sci->sc_timer.expires);
 
 		if (should_sleep) {
 			spin_unlock(&sci->sc_state_lock);
@@ -2639,7 +2634,7 @@ static int nilfs_segctor_thread(void *arg)
 		}
 		finish_wait(&sci->sc_wait_daemon, &wait);
 		timeout = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) &&
-			   time_after_eq(jiffies, sci->sc_timer->expires));
+			   time_after_eq(jiffies, sci->sc_timer.expires));
 
 		if (nilfs_sb_dirty(nilfs) && nilfs_sb_need_update(nilfs))
 			set_nilfs_discontinued(nilfs);
@@ -2648,8 +2643,6 @@ static int nilfs_segctor_thread(void *arg)
 
  end_thread:
 	spin_unlock(&sci->sc_state_lock);
-	del_timer_sync(sci->sc_timer);
-	sci->sc_timer = NULL;
 
 	/* end sync. */
 	sci->sc_task = NULL;
@@ -2708,6 +2701,7 @@ static struct nilfs_sc_info *nilfs_segctor_new(struct nilfs_sb_info *sbi)
 	INIT_LIST_HEAD(&sci->sc_write_logs);
 	INIT_LIST_HEAD(&sci->sc_gc_inodes);
 	INIT_LIST_HEAD(&sci->sc_copied_buffers);
+	init_timer(&sci->sc_timer);
 
 	sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT;
 	sci->sc_mjcp_freq = HZ * NILFS_SC_DEFAULT_SR_FREQ;
@@ -2774,6 +2768,7 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
 
 	down_write(&sbi->s_nilfs->ns_segctor_sem);
 
+	del_timer_sync(&sci->sc_timer);
 	kfree(sci);
 }
 
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h
index 7aca7653268..dca142361cc 100644
--- a/fs/nilfs2/segment.h
+++ b/fs/nilfs2/segment.h
@@ -177,7 +177,7 @@ struct nilfs_sc_info {
 	unsigned long		sc_lseg_stime;	/* in 1/HZ seconds */
 	unsigned long		sc_watermark;
 
-	struct timer_list      *sc_timer;
+	struct timer_list	sc_timer;
 	struct task_struct     *sc_task;
 };
 

From db55d92252c07c0e5561966ecca95c6f332dd892 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Mon, 12 Apr 2010 01:46:02 +0900
Subject: [PATCH 0755/3638] nilfs2: add kernel doc comments to persistent
 object allocator functions

The implementation of persistent object allocator (alloc.c) is poorly
documented.  This adds kernel doc style comments on that functions.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/alloc.c | 154 +++++++++++++++++++++++++++++++++++++++++++++-
 fs/nilfs2/alloc.h |   7 +++
 2 files changed, 160 insertions(+), 1 deletion(-)

diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c
index 7cfb87e692d..d7fd696e595 100644
--- a/fs/nilfs2/alloc.c
+++ b/fs/nilfs2/alloc.c
@@ -31,6 +31,11 @@
 #include "alloc.h"
 
 
+/**
+ * nilfs_palloc_groups_per_desc_block - get the number of groups that a group
+ *					descriptor block can maintain
+ * @inode: inode of metadata file using this allocator
+ */
 static inline unsigned long
 nilfs_palloc_groups_per_desc_block(const struct inode *inode)
 {
@@ -38,12 +43,21 @@ nilfs_palloc_groups_per_desc_block(const struct inode *inode)
 		sizeof(struct nilfs_palloc_group_desc);
 }
 
+/**
+ * nilfs_palloc_groups_count - get maximum number of groups
+ * @inode: inode of metadata file using this allocator
+ */
 static inline unsigned long
 nilfs_palloc_groups_count(const struct inode *inode)
 {
 	return 1UL << (BITS_PER_LONG - (inode->i_blkbits + 3 /* log2(8) */));
 }
 
+/**
+ * nilfs_palloc_init_blockgroup - initialize private variables for allocator
+ * @inode: inode of metadata file using this allocator
+ * @entry_size: size of the persistent object
+ */
 int nilfs_palloc_init_blockgroup(struct inode *inode, unsigned entry_size)
 {
 	struct nilfs_mdt_info *mi = NILFS_MDT(inode);
@@ -69,6 +83,12 @@ int nilfs_palloc_init_blockgroup(struct inode *inode, unsigned entry_size)
 	return 0;
 }
 
+/**
+ * nilfs_palloc_group - get group number and offset from an entry number
+ * @inode: inode of metadata file using this allocator
+ * @nr: serial number of the entry (e.g. inode number)
+ * @offset: pointer to store offset number in the group
+ */
 static unsigned long nilfs_palloc_group(const struct inode *inode, __u64 nr,
 					unsigned long *offset)
 {
@@ -78,6 +98,14 @@ static unsigned long nilfs_palloc_group(const struct inode *inode, __u64 nr,
 	return group;
 }
 
+/**
+ * nilfs_palloc_desc_blkoff - get block offset of a group descriptor block
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ *
+ * nilfs_palloc_desc_blkoff() returns block offset of the descriptor
+ * block which contains a descriptor of the specified group.
+ */
 static unsigned long
 nilfs_palloc_desc_blkoff(const struct inode *inode, unsigned long group)
 {
@@ -86,6 +114,14 @@ nilfs_palloc_desc_blkoff(const struct inode *inode, unsigned long group)
 	return desc_block * NILFS_MDT(inode)->mi_blocks_per_desc_block;
 }
 
+/**
+ * nilfs_palloc_bitmap_blkoff - get block offset of a bitmap block
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ *
+ * nilfs_palloc_bitmap_blkoff() returns block offset of the bitmap
+ * block used to allocate/deallocate entries in the specified group.
+ */
 static unsigned long
 nilfs_palloc_bitmap_blkoff(const struct inode *inode, unsigned long group)
 {
@@ -95,6 +131,12 @@ nilfs_palloc_bitmap_blkoff(const struct inode *inode, unsigned long group)
 		desc_offset * NILFS_MDT(inode)->mi_blocks_per_group;
 }
 
+/**
+ * nilfs_palloc_group_desc_nfrees - get the number of free entries in a group
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ * @desc: pointer to descriptor structure for the group
+ */
 static unsigned long
 nilfs_palloc_group_desc_nfrees(struct inode *inode, unsigned long group,
 			       const struct nilfs_palloc_group_desc *desc)
@@ -107,6 +149,13 @@ nilfs_palloc_group_desc_nfrees(struct inode *inode, unsigned long group,
 	return nfree;
 }
 
+/**
+ * nilfs_palloc_group_desc_add_entries - adjust count of free entries
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ * @desc: pointer to descriptor structure for the group
+ * @n: delta to be added
+ */
 static void
 nilfs_palloc_group_desc_add_entries(struct inode *inode,
 				    unsigned long group,
@@ -118,6 +167,11 @@ nilfs_palloc_group_desc_add_entries(struct inode *inode,
 	spin_unlock(nilfs_mdt_bgl_lock(inode, group));
 }
 
+/**
+ * nilfs_palloc_entry_blkoff - get block offset of an entry block
+ * @inode: inode of metadata file using this allocator
+ * @nr: serial number of the entry (e.g. inode number)
+ */
 static unsigned long
 nilfs_palloc_entry_blkoff(const struct inode *inode, __u64 nr)
 {
@@ -129,6 +183,12 @@ nilfs_palloc_entry_blkoff(const struct inode *inode, __u64 nr)
 		group_offset / NILFS_MDT(inode)->mi_entries_per_block;
 }
 
+/**
+ * nilfs_palloc_desc_block_init - initialize buffer of a group descriptor block
+ * @inode: inode of metadata file
+ * @bh: buffer head of the buffer to be initialized
+ * @kaddr: kernel address mapped for the page including the buffer
+ */
 static void nilfs_palloc_desc_block_init(struct inode *inode,
 					 struct buffer_head *bh, void *kaddr)
 {
@@ -179,6 +239,13 @@ static int nilfs_palloc_get_block(struct inode *inode, unsigned long blkoff,
 	return ret;
 }
 
+/**
+ * nilfs_palloc_get_desc_block - get buffer head of a group descriptor block
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ * @create: create flag
+ * @bhp: pointer to store the resultant buffer head
+ */
 static int nilfs_palloc_get_desc_block(struct inode *inode,
 				       unsigned long group,
 				       int create, struct buffer_head **bhp)
@@ -191,6 +258,13 @@ static int nilfs_palloc_get_desc_block(struct inode *inode,
 				      bhp, &cache->prev_desc, &cache->lock);
 }
 
+/**
+ * nilfs_palloc_get_bitmap_block - get buffer head of a bitmap block
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ * @create: create flag
+ * @bhp: pointer to store the resultant buffer head
+ */
 static int nilfs_palloc_get_bitmap_block(struct inode *inode,
 					 unsigned long group,
 					 int create, struct buffer_head **bhp)
@@ -203,6 +277,13 @@ static int nilfs_palloc_get_bitmap_block(struct inode *inode,
 				      &cache->prev_bitmap, &cache->lock);
 }
 
+/**
+ * nilfs_palloc_get_entry_block - get buffer head of an entry block
+ * @inode: inode of metadata file using this allocator
+ * @nr: serial number of the entry (e.g. inode number)
+ * @create: create flag
+ * @bhp: pointer to store the resultant buffer head
+ */
 int nilfs_palloc_get_entry_block(struct inode *inode, __u64 nr,
 				 int create, struct buffer_head **bhp)
 {
@@ -214,6 +295,13 @@ int nilfs_palloc_get_entry_block(struct inode *inode, __u64 nr,
 				      &cache->prev_entry, &cache->lock);
 }
 
+/**
+ * nilfs_palloc_block_get_group_desc - get kernel address of a group descriptor
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ * @bh: buffer head of the buffer storing the group descriptor block
+ * @kaddr: kernel address mapped for the page including the buffer
+ */
 static struct nilfs_palloc_group_desc *
 nilfs_palloc_block_get_group_desc(const struct inode *inode,
 				  unsigned long group,
@@ -223,6 +311,13 @@ nilfs_palloc_block_get_group_desc(const struct inode *inode,
 		group % nilfs_palloc_groups_per_desc_block(inode);
 }
 
+/**
+ * nilfs_palloc_block_get_entry - get kernel address of an entry
+ * @inode: inode of metadata file using this allocator
+ * @nr: serial number of the entry (e.g. inode number)
+ * @bh: buffer head of the buffer storing the entry block
+ * @kaddr: kernel address mapped for the page including the buffer
+ */
 void *nilfs_palloc_block_get_entry(const struct inode *inode, __u64 nr,
 				   const struct buffer_head *bh, void *kaddr)
 {
@@ -235,11 +330,19 @@ void *nilfs_palloc_block_get_entry(const struct inode *inode, __u64 nr,
 		entry_offset * NILFS_MDT(inode)->mi_entry_size;
 }
 
+/**
+ * nilfs_palloc_find_available_slot - find available slot in a group
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ * @target: offset number of an entry in the group (start point)
+ * @bitmap: bitmap of the group
+ * @bsize: size in bits
+ */
 static int nilfs_palloc_find_available_slot(struct inode *inode,
 					    unsigned long group,
 					    unsigned long target,
 					    unsigned char *bitmap,
-					    int bsize)  /* size in bits */
+					    int bsize)
 {
 	int curr, pos, end, i;
 
@@ -277,6 +380,13 @@ static int nilfs_palloc_find_available_slot(struct inode *inode,
 	return -ENOSPC;
 }
 
+/**
+ * nilfs_palloc_rest_groups_in_desc_block - get the remaining number of groups
+ *					    in a group descriptor block
+ * @inode: inode of metadata file using this allocator
+ * @curr: current group number
+ * @max: maximum number of groups
+ */
 static unsigned long
 nilfs_palloc_rest_groups_in_desc_block(const struct inode *inode,
 				       unsigned long curr, unsigned long max)
@@ -287,6 +397,11 @@ nilfs_palloc_rest_groups_in_desc_block(const struct inode *inode,
 		     max - curr + 1);
 }
 
+/**
+ * nilfs_palloc_prepare_alloc_entry - prepare to allocate a persistent object
+ * @inode: inode of metadata file using this allocator
+ * @req: nilfs_palloc_req structure exchanged for the allocation
+ */
 int nilfs_palloc_prepare_alloc_entry(struct inode *inode,
 				     struct nilfs_palloc_req *req)
 {
@@ -366,6 +481,11 @@ int nilfs_palloc_prepare_alloc_entry(struct inode *inode,
 	return ret;
 }
 
+/**
+ * nilfs_palloc_commit_alloc_entry - finish allocation of a persistent object
+ * @inode: inode of metadata file using this allocator
+ * @req: nilfs_palloc_req structure exchanged for the allocation
+ */
 void nilfs_palloc_commit_alloc_entry(struct inode *inode,
 				     struct nilfs_palloc_req *req)
 {
@@ -377,6 +497,11 @@ void nilfs_palloc_commit_alloc_entry(struct inode *inode,
 	brelse(req->pr_desc_bh);
 }
 
+/**
+ * nilfs_palloc_commit_free_entry - finish deallocating a persistent object
+ * @inode: inode of metadata file using this allocator
+ * @req: nilfs_palloc_req structure exchanged for the removal
+ */
 void nilfs_palloc_commit_free_entry(struct inode *inode,
 				    struct nilfs_palloc_req *req)
 {
@@ -410,6 +535,11 @@ void nilfs_palloc_commit_free_entry(struct inode *inode,
 	brelse(req->pr_desc_bh);
 }
 
+/**
+ * nilfs_palloc_abort_alloc_entry - cancel allocation of a persistent object
+ * @inode: inode of metadata file using this allocator
+ * @req: nilfs_palloc_req structure exchanged for the allocation
+ */
 void nilfs_palloc_abort_alloc_entry(struct inode *inode,
 				    struct nilfs_palloc_req *req)
 {
@@ -442,6 +572,11 @@ void nilfs_palloc_abort_alloc_entry(struct inode *inode,
 	req->pr_desc_bh = NULL;
 }
 
+/**
+ * nilfs_palloc_prepare_free_entry - prepare to deallocate a persistent object
+ * @inode: inode of metadata file using this allocator
+ * @req: nilfs_palloc_req structure exchanged for the removal
+ */
 int nilfs_palloc_prepare_free_entry(struct inode *inode,
 				    struct nilfs_palloc_req *req)
 {
@@ -464,6 +599,11 @@ int nilfs_palloc_prepare_free_entry(struct inode *inode,
 	return 0;
 }
 
+/**
+ * nilfs_palloc_abort_free_entry - cancel deallocating a persistent object
+ * @inode: inode of metadata file using this allocator
+ * @req: nilfs_palloc_req structure exchanged for the removal
+ */
 void nilfs_palloc_abort_free_entry(struct inode *inode,
 				   struct nilfs_palloc_req *req)
 {
@@ -475,6 +615,12 @@ void nilfs_palloc_abort_free_entry(struct inode *inode,
 	req->pr_desc_bh = NULL;
 }
 
+/**
+ * nilfs_palloc_group_is_in - judge if an entry is in a group
+ * @inode: inode of metadata file using this allocator
+ * @group: group number
+ * @nr: serial number of the entry (e.g. inode number)
+ */
 static int
 nilfs_palloc_group_is_in(struct inode *inode, unsigned long group, __u64 nr)
 {
@@ -485,6 +631,12 @@ nilfs_palloc_group_is_in(struct inode *inode, unsigned long group, __u64 nr)
 	return (nr >= first) && (nr <= last);
 }
 
+/**
+ * nilfs_palloc_freev - deallocate a set of persistent objects
+ * @inode: inode of metadata file using this allocator
+ * @entry_nrs: array of entry numbers to be deallocated
+ * @nitems: number of entries stored in @entry_nrs
+ */
 int nilfs_palloc_freev(struct inode *inode, __u64 *entry_nrs, size_t nitems)
 {
 	struct buffer_head *desc_bh, *bitmap_bh;
diff --git a/fs/nilfs2/alloc.h b/fs/nilfs2/alloc.h
index 5cccf874d69..9af34a7e6e1 100644
--- a/fs/nilfs2/alloc.h
+++ b/fs/nilfs2/alloc.h
@@ -29,6 +29,13 @@
 #include <linux/buffer_head.h>
 #include <linux/fs.h>
 
+/**
+ * nilfs_palloc_entries_per_group - get the number of entries per group
+ * @inode: inode of metadata file using this allocator
+ *
+ * The number of entries per group is defined by the number of bits
+ * that a bitmap block can maintain.
+ */
 static inline unsigned long
 nilfs_palloc_entries_per_group(const struct inode *inode)
 {

From 4e819509cba664e7cbfba5c4d1517df4dfda86f5 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Fri, 23 Apr 2010 17:35:23 +0900
Subject: [PATCH 0756/3638] nilfs2: make nilfs_sc_*_ops static

This kills the following sparse warnings:

fs/nilfs2/segment.c:567:28: warning: symbol 'nilfs_sc_file_ops' was not declared. Should it be static?
fs/nilfs2/segment.c:617:28: warning: symbol 'nilfs_sc_dat_ops' was not declared. Should it be static?
fs/nilfs2/segment.c:625:28: warning: symbol 'nilfs_sc_dsync_ops' was not declared. Should it be static?

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/segment.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 8b4e280b96b..c9201649cc4 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -564,7 +564,7 @@ static void nilfs_write_file_node_binfo(struct nilfs_sc_info *sci,
 	*vblocknr = binfo->bi_v.bi_vblocknr;
 }
 
-struct nilfs_sc_operations nilfs_sc_file_ops = {
+static struct nilfs_sc_operations nilfs_sc_file_ops = {
 	.collect_data = nilfs_collect_file_data,
 	.collect_node = nilfs_collect_file_node,
 	.collect_bmap = nilfs_collect_file_bmap,
@@ -614,7 +614,7 @@ static void nilfs_write_dat_node_binfo(struct nilfs_sc_info *sci,
 	*binfo_dat = binfo->bi_dat;
 }
 
-struct nilfs_sc_operations nilfs_sc_dat_ops = {
+static struct nilfs_sc_operations nilfs_sc_dat_ops = {
 	.collect_data = nilfs_collect_dat_data,
 	.collect_node = nilfs_collect_file_node,
 	.collect_bmap = nilfs_collect_dat_bmap,
@@ -622,7 +622,7 @@ struct nilfs_sc_operations nilfs_sc_dat_ops = {
 	.write_node_binfo = nilfs_write_dat_node_binfo,
 };
 
-struct nilfs_sc_operations nilfs_sc_dsync_ops = {
+static struct nilfs_sc_operations nilfs_sc_dsync_ops = {
 	.collect_data = nilfs_collect_file_data,
 	.collect_node = NULL,
 	.collect_bmap = NULL,

From 34cb9b5c973ac06449b96884be932da9a9b99819 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sat, 1 May 2010 10:07:07 +0900
Subject: [PATCH 0757/3638] nilfs2: add missing endian conversion on super
 block magic number

This adds missing endian conversions in comparision of the magic
number of super blocks.  It was coincidence that prior versions didn't
incur problems; the upper byte of the magic number happened to be
equal to the lower byte.  But, semantically it's wrong to depend on
this.

This won't change anything else nor suffer any compatibility issues.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/super.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index a512c3b2cb7..430a508b212 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -242,8 +242,8 @@ int nilfs_commit_super(struct nilfs_sb_info *sbi, int dupsb)
 	int err;
 
 	/* nilfs->sem must be locked by the caller. */
-	if (sbp[0]->s_magic != NILFS_SUPER_MAGIC) {
-		if (sbp[1] && sbp[1]->s_magic == NILFS_SUPER_MAGIC)
+	if (sbp[0]->s_magic != cpu_to_le16(NILFS_SUPER_MAGIC)) {
+		if (sbp[1] && sbp[1]->s_magic == cpu_to_le16(NILFS_SUPER_MAGIC))
 			nilfs_swap_super_block(nilfs);
 		else {
 			printk(KERN_CRIT "NILFS: superblock broke on dev %s\n",

From 25294d8c376296b1420694317e9856eaaea710ca Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sat, 1 May 2010 11:54:21 +0900
Subject: [PATCH 0758/3638] nilfs2: use checkpoint number instead of timestamp
 to select super block

Nilfs maintains two super blocks, and selects the new one on mount
time if they both have valid checksums and their timestamps differ.

However, this has potential for mis-selection since the system clock
may be rewinded and the resolution of the timestamps is not high.

Usually this doesn't become an issue because both super blocks are
updated at the same time when the file system is unmounted.  Even if
the file system wasn't unmounted cleanly, the roll-forward recovery
will find the proper log which stores the latest super root.  Thus,
the issue can appear only if update of one super block fails and the
clock happens to be rewinded.

This fixes the issue by using checkpoint numbers instead of timestamps
to pick the super block storing the location of the latest log.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/the_nilfs.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 33871f7e4f0..a756168a21c 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -486,11 +486,15 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
 		printk(KERN_WARNING
 		       "NILFS warning: unable to read secondary superblock\n");
 
+	/*
+	 * Compare two super blocks and set 1 in swp if the secondary
+	 * super block is valid and newer.  Otherwise, set 0 in swp.
+	 */
 	valid[0] = nilfs_valid_sb(sbp[0]);
 	valid[1] = nilfs_valid_sb(sbp[1]);
-	swp = valid[1] &&
-		(!valid[0] ||
-		 le64_to_cpu(sbp[1]->s_wtime) > le64_to_cpu(sbp[0]->s_wtime));
+	swp = valid[1] && (!valid[0] ||
+			   le64_to_cpu(sbp[1]->s_last_cno) >
+			   le64_to_cpu(sbp[0]->s_last_cno));
 
 	if (valid[swp] && nilfs_sb2_bad_offset(sbp[swp], sb2off)) {
 		brelse(sbh[1]);

From 400ade845cb9930552e791bbd658a0953f68499d Mon Sep 17 00:00:00 2001
From: Jiro SEKIBA <jir@unicus.jp>
Date: Sun, 2 May 2010 23:29:04 +0900
Subject: [PATCH 0759/3638] nilfs2: enlarge s_volume_name member in
 nilfs_super_block

Current s_volume_name has 16 bytes, which is too small as modern filesystem.

s_last_mounted resides just after s_volume_name and has 64 bytes.

s_last_mounted is historically came from ext2, but not used in nilfs2 at all.
Deleting s_last_mounted member and merging that space with s_volume_name
enlarge s_volume_name upto 80 bytes for volume label.

When user land tools see the old header for new disk, it will just ignore
additional bytes stored in s_last_mounted.  While, old disk format has only
16 bytes label, it doesn't affects in case seeing the new header for old disk.

Signed-off-by: Jiro SEKIBA <jir@unicus.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 include/linux/nilfs2_fs.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index 6505c00f1fc..8c2c6116e78 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -207,8 +207,7 @@ struct nilfs_super_block {
 	__le16	s_segment_usage_size;	/* Size of a segment usage */
 
 	__u8	s_uuid[16];		/* 128-bit uuid for volume */
-	char	s_volume_name[16];	/* volume name */
-	char	s_last_mounted[64];	/* directory where last mounted */
+	char	s_volume_name[80];	/* volume name */
 
 	__le32  s_c_interval;           /* Commit interval of segment */
 	__le32  s_c_block_max;          /* Threshold of data amount for

From 13e905592b3daacb6ec27a5a4169afe725c3b668 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sun, 9 May 2010 02:57:57 +0900
Subject: [PATCH 0760/3638] nilfs2: fix misuse of
 open_bdev_exclusive/close_bdev_exclusive

The second argument of open_bdev_exclusive/close_bdev_exclusive takes
fmode_t flags instead of mount flags.  This fixes the misuse.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/super.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 430a508b212..3ff2118abd7 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -998,10 +998,14 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags,
 {
 	struct nilfs_super_data sd;
 	struct super_block *s;
+	fmode_t mode = FMODE_READ;
 	struct the_nilfs *nilfs;
 	int err, need_to_close = 1;
 
-	sd.bdev = open_bdev_exclusive(dev_name, flags, fs_type);
+	if (!(flags & MS_RDONLY))
+		mode |= FMODE_WRITE;
+
+	sd.bdev = open_bdev_exclusive(dev_name, mode, fs_type);
 	if (IS_ERR(sd.bdev))
 		return PTR_ERR(sd.bdev);
 
@@ -1082,7 +1086,7 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags,
 	mutex_unlock(&nilfs->ns_mount_mutex);
 	put_nilfs(nilfs);
 	if (need_to_close)
-		close_bdev_exclusive(sd.bdev, flags);
+		close_bdev_exclusive(sd.bdev, mode);
 	simple_set_mnt(mnt, s);
 	return 0;
 
@@ -1090,7 +1094,7 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags,
 	mutex_unlock(&nilfs->ns_mount_mutex);
 	put_nilfs(nilfs);
  failed:
-	close_bdev_exclusive(sd.bdev, flags);
+	close_bdev_exclusive(sd.bdev, mode);
 
 	return err;
 

From 4571b82cdcd076a3b8ecaddcf9846cb52f9979e5 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sun, 9 May 2010 03:01:32 +0900
Subject: [PATCH 0761/3638] nilfs2: add missing initialization of s_mode

An fmode_t argument is passed to kill_block_super() through s_mode
member of the super_block structure.  This is used to release the
block device with the same mode, however, nilfs does not set s_mode
anywhere.

This modifies nilfs_get_sb function to properly initialize the s_mode
member.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 3ff2118abd7..16939b37b7d 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1072,6 +1072,7 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags,
 
 		/* New superblock instance created */
 		s->s_flags = flags;
+		s->s_mode = mode;
 		strlcpy(s->s_id, bdevname(sd.bdev, b), sizeof(s->s_id));
 		sb_set_blocksize(s, block_size(sd.bdev));
 

From e2d1591a13118b2bccb41af06830a2904478a514 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sun, 9 May 2010 09:48:31 +0900
Subject: [PATCH 0762/3638] nilfs2: replace MS_VERBOSE with MS_SILENT

MS_VERBOSE is deprecated.  This replaces it with MS_SILENT in
reference to get_sb_bdev function.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/super.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 16939b37b7d..6b05771d120 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1076,7 +1076,8 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags,
 		strlcpy(s->s_id, bdevname(sd.bdev, b), sizeof(s->s_id));
 		sb_set_blocksize(s, block_size(sd.bdev));
 
-		err = nilfs_fill_super(s, data, flags & MS_VERBOSE, nilfs);
+		err = nilfs_fill_super(s, data, flags & MS_SILENT ? 1 : 0,
+				       nilfs);
 		if (err)
 			goto cancel_new;
 

From b87ca91948843472c05ae49e4c5e1714001d24c9 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sun, 9 May 2010 10:05:21 +0900
Subject: [PATCH 0763/3638] nilfs2: update comment on deactivate_super at
 nilfs_get_sb

deactivate_super was replaced with deactivate_locked_super, but the
comment of nilfs_get_sb remain unchanged.  This renews the comment.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 6b05771d120..c88e6641733 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1106,7 +1106,7 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags,
 	put_nilfs(nilfs);
 	deactivate_locked_super(s);
 	/*
-	 * deactivate_super() invokes close_bdev_exclusive().
+	 * deactivate_locked_super() invokes close_bdev_exclusive().
 	 * We must finish all post-cleaning before this call;
 	 * put_nilfs() needs the block device.
 	 */

From cdce214e39814fd46d47e0e660ca3ddf3fdce8a6 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sun, 9 May 2010 15:31:22 +0900
Subject: [PATCH 0764/3638] nilfs2: use huge_encode_dev/huge_decode_dev

This replaces uses of new_encode_dev/new_decode_dev with their 64-bit
counterparts, huge_encode_dev/huge_decode_dev respectively.

This is just for clarification and has no impact on the disk format.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 0957b58f909..5e226d4b41d 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -451,7 +451,7 @@ static int __nilfs_read_inode(struct super_block *sb, unsigned long ino,
 		inode->i_op = &nilfs_special_inode_operations;
 		init_special_inode(
 			inode, inode->i_mode,
-			new_decode_dev(le64_to_cpu(raw_inode->i_device_code)));
+			huge_decode_dev(le64_to_cpu(raw_inode->i_device_code)));
 	}
 	nilfs_ifile_unmap_inode(sbi->s_ifile, ino, bh);
 	brelse(bh);
@@ -511,7 +511,7 @@ void nilfs_write_inode_common(struct inode *inode,
 		nilfs_bmap_write(ii->i_bmap, raw_inode);
 	else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
 		raw_inode->i_device_code =
-			cpu_to_le64(new_encode_dev(inode->i_rdev));
+			cpu_to_le64(huge_encode_dev(inode->i_rdev));
 	/* When extending inode, nilfs->ns_inode_size should be checked
 	   for substitutions of appended fields */
 }

From d240e06713007bba309b074a386b7072b73c31a6 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sun, 9 May 2010 21:51:53 +0900
Subject: [PATCH 0765/3638] nilfs2: disallow remount of snapshot from/to a
 regular mount

Snapshots and regular ro/rw mounts are essentially-different within
the meaning whether the checkpoint is static or not and is marked with
a snapshot flag or not.

The current implemenation, however, allows to remount a snapshot to a
regular rw-mount if the checkpoint number equals the latest one.

This transition is actually impossible since changing a checkpoint to
a snapshot makes another checkpoint, thus the condition is never
satisfied.

This fixes the weird state of affairs, and specifically separates
snapshots and regular rw/ro-mounts.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/super.c | 57 +++++++++++++++++++----------------------------
 1 file changed, 23 insertions(+), 34 deletions(-)

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index c88e6641733..03b34b73899 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -754,9 +754,7 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent,
 				goto failed_sbi;
 			}
 			cno = sbi->s_snapshot_cno;
-		} else
-			/* Read-only mount */
-			sbi->s_snapshot_cno = cno;
+		}
 	}
 
 	err = nilfs_attach_checkpoint(sbi, cno);
@@ -825,7 +823,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
 	struct the_nilfs *nilfs = sbi->s_nilfs;
 	unsigned long old_sb_flags;
 	struct nilfs_mount_options old_opts;
-	int err;
+	int was_snapshot, err;
 
 	lock_kernel();
 
@@ -833,6 +831,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
 	old_sb_flags = sb->s_flags;
 	old_opts.mount_opt = sbi->s_mount_opt;
 	old_opts.snapshot_cno = sbi->s_snapshot_cno;
+	was_snapshot = nilfs_test_opt(sbi, SNAPSHOT);
 
 	if (!parse_options(data, sb)) {
 		err = -EINVAL;
@@ -840,20 +839,32 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
 	}
 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL);
 
-	if ((*flags & MS_RDONLY) &&
-	    sbi->s_snapshot_cno != old_opts.snapshot_cno) {
-		printk(KERN_WARNING "NILFS (device %s): couldn't "
-		       "remount to a different snapshot.\n",
-		       sb->s_id);
-		err = -EINVAL;
-		goto restore_opts;
+	err = -EINVAL;
+	if (was_snapshot) {
+		if (!(*flags & MS_RDONLY)) {
+			printk(KERN_ERR "NILFS (device %s): cannot remount "
+			       "snapshot read/write.\n",
+			       sb->s_id);
+			goto restore_opts;
+		} else if (sbi->s_snapshot_cno != old_opts.snapshot_cno) {
+			printk(KERN_ERR "NILFS (device %s): cannot "
+			       "remount to a different snapshot.\n",
+			       sb->s_id);
+			goto restore_opts;
+		}
+	} else {
+		if (nilfs_test_opt(sbi, SNAPSHOT)) {
+			printk(KERN_ERR "NILFS (device %s): cannot change "
+			       "a regular mount to a snapshot.\n",
+			       sb->s_id);
+			goto restore_opts;
+		}
 	}
 
 	if (!nilfs_valid_fs(nilfs)) {
 		printk(KERN_WARNING "NILFS (device %s): couldn't "
 		       "remount because the filesystem is in an "
 		       "incomplete recovery state.\n", sb->s_id);
-		err = -EINVAL;
 		goto restore_opts;
 	}
 
@@ -864,9 +875,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
 		nilfs_detach_segment_constructor(sbi);
 		sb->s_flags |= MS_RDONLY;
 
-		sbi->s_snapshot_cno = nilfs_last_cno(nilfs);
-		/* nilfs_set_opt(sbi, SNAPSHOT); */
-
 		/*
 		 * Remounting a valid RW partition RDONLY, so set
 		 * the RDONLY flag and then mark the partition as valid again.
@@ -885,24 +893,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
 		 * store the current valid flag.  (It may have been changed
 		 * by fsck since we originally mounted the partition.)
 		 */
-		if (nilfs->ns_current && nilfs->ns_current != sbi) {
-			printk(KERN_WARNING "NILFS (device %s): couldn't "
-			       "remount because an RW-mount exists.\n",
-			       sb->s_id);
-			err = -EBUSY;
-			goto restore_opts;
-		}
-		if (sbi->s_snapshot_cno != nilfs_last_cno(nilfs)) {
-			printk(KERN_WARNING "NILFS (device %s): couldn't "
-			       "remount because the current RO-mount is not "
-			       "the latest one.\n",
-			       sb->s_id);
-			err = -EINVAL;
-			goto restore_opts;
-		}
 		sb->s_flags &= ~MS_RDONLY;
-		nilfs_clear_opt(sbi, SNAPSHOT);
-		sbi->s_snapshot_cno = 0;
 
 		err = nilfs_attach_segment_constructor(sbi);
 		if (err)
@@ -911,8 +902,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
 		down_write(&nilfs->ns_sem);
 		nilfs_setup_super(sbi);
 		up_write(&nilfs->ns_sem);
-
-		nilfs->ns_current = sbi;
 	}
  out:
 	up_write(&nilfs->ns_super_sem);

From 0671e704658b9f26f85e78d51176daa861f955c7 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Mon, 10 May 2010 00:00:00 -0400
Subject: [PATCH 0766/3638] ext4: check missed return value in ext4_sync_file()

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/fsync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 0d0c3239c1c..42bd94a942c 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -101,7 +101,7 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
 		    (journal->j_fs_dev != journal->j_dev) &&
 		    (journal->j_flags & JBD2_BARRIER))
 			blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
-		jbd2_log_wait_commit(journal, commit_tid);
+		ret = jbd2_log_wait_commit(journal, commit_tid);
 	} else if (journal->j_flags & JBD2_BARRIER)
 		blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
 	return ret;

From fe6065dc30c8cdd4beaffd6d3fa110222ad08795 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Tue, 2 Feb 2010 13:40:40 +1000
Subject: [PATCH 0767/3638] HID: add multi-input quirk for eGalax
 Touchcontroller

I've got one of these devices on my desk and it seems that it suffers from
the ABS_Z/ABS_RX issue that we've seen in other devices before. This patch
uses the same reasoning as 9db630b48 ("HID: add multi-input quirk for NextWindow
Touchscreen").

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-ids.h           | 3 +++
 drivers/hid/usbhid/hid-quirks.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9791d0a8d16..513e75e0f65 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -174,6 +174,9 @@
 
 #define USB_VENDOR_ID_DRAGONRISE	0x0079
 
+#define USB_VENDOR_ID_EGALAX		0x0EEF
+#define USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER	0x0001
+
 #define USB_VENDOR_ID_ELO		0x04E7
 #define USB_DEVICE_ID_ELO_TS2700	0x0020
 
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 7844280897d..8ea185246a7 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -32,6 +32,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
 	{ USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
 	{ USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
+	{ USB_VENDOR_ID_EGALAX, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },

From 7e619bc3e6252dc746f64ac3b486e784822e9533 Mon Sep 17 00:00:00 2001
From: Abhijith Das <adas@redhat.com>
Date: Fri, 7 May 2010 17:50:18 -0400
Subject: [PATCH 0768/3638] GFS2: Fix writing to non-page aligned gfs2_quota
 structures

This is the upstream fix for this bug. This patch differs
from the RHEL5 fix (Red Hat bz #555754) which simply writes to the 8-byte
value field of the quota. In upstream quota code, we're
required to write the entire quota (88 bytes) which can be split
across a page boundary. We check for such quotas, and read/write
the two parts from/to the corresponding pages holding these parts.

With this patch, I don't see the bug anymore using the reproducer
in Red Hat bz 555754. I successfully ran a couple of simple tests/mounts/
umounts and it doesn't seem like this patch breaks anything else.

Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/quota.c | 86 +++++++++++++++++++++++++++++++++++--------------
 1 file changed, 61 insertions(+), 25 deletions(-)

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 6ca0967ce6e..d5f4661287f 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -637,15 +637,40 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
 	unsigned blocksize, iblock, pos;
 	struct buffer_head *bh, *dibh;
 	struct page *page;
-	void *kaddr;
-	struct gfs2_quota *qp;
-	s64 value;
-	int err = -EIO;
+	void *kaddr, *ptr;
+	struct gfs2_quota q, *qp;
+	int err, nbytes;
 	u64 size;
 
 	if (gfs2_is_stuffed(ip))
 		gfs2_unstuff_dinode(ip, NULL);
-	
+
+	memset(&q, 0, sizeof(struct gfs2_quota));
+	err = gfs2_internal_read(ip, NULL, (char *)&q, &loc, sizeof(q));
+	if (err < 0)
+		return err;
+
+	err = -EIO;
+	qp = &q;
+	qp->qu_value = be64_to_cpu(qp->qu_value);
+	qp->qu_value += change;
+	qp->qu_value = cpu_to_be64(qp->qu_value);
+	qd->qd_qb.qb_value = qp->qu_value;
+	if (fdq) {
+		if (fdq->d_fieldmask & FS_DQ_BSOFT) {
+			qp->qu_warn = cpu_to_be64(fdq->d_blk_softlimit);
+			qd->qd_qb.qb_warn = qp->qu_warn;
+		}
+		if (fdq->d_fieldmask & FS_DQ_BHARD) {
+			qp->qu_limit = cpu_to_be64(fdq->d_blk_hardlimit);
+			qd->qd_qb.qb_limit = qp->qu_limit;
+		}
+	}
+
+	/* Write the quota into the quota file on disk */
+	ptr = qp;
+	nbytes = sizeof(struct gfs2_quota);
+get_a_page:
 	page = grab_cache_page(mapping, index);
 	if (!page)
 		return -ENOMEM;
@@ -667,7 +692,12 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
 	if (!buffer_mapped(bh)) {
 		gfs2_block_map(inode, iblock, bh, 1);
 		if (!buffer_mapped(bh))
-			goto unlock;
+			goto unlock_out;
+		/* If it's a newly allocated disk block for quota, zero it */
+		if (buffer_new(bh)) {
+			memset(bh->b_data, 0, bh->b_size);
+			set_buffer_uptodate(bh);
+		}
 	}
 
 	if (PageUptodate(page))
@@ -677,32 +707,34 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
 		ll_rw_block(READ_META, 1, &bh);
 		wait_on_buffer(bh);
 		if (!buffer_uptodate(bh))
-			goto unlock;
+			goto unlock_out;
 	}
 
 	gfs2_trans_add_bh(ip->i_gl, bh, 0);
 
 	kaddr = kmap_atomic(page, KM_USER0);
-	qp = kaddr + offset;
-	value = (s64)be64_to_cpu(qp->qu_value) + change;
-	qp->qu_value = cpu_to_be64(value);
-	qd->qd_qb.qb_value = qp->qu_value;
-	if (fdq) {
-		if (fdq->d_fieldmask & FS_DQ_BSOFT) {
-			qp->qu_warn = cpu_to_be64(fdq->d_blk_softlimit);
-			qd->qd_qb.qb_warn = qp->qu_warn;
-		}
-		if (fdq->d_fieldmask & FS_DQ_BHARD) {
-			qp->qu_limit = cpu_to_be64(fdq->d_blk_hardlimit);
-			qd->qd_qb.qb_limit = qp->qu_limit;
-		}
-	}
+	if (offset + sizeof(struct gfs2_quota) > PAGE_CACHE_SIZE)
+		nbytes = PAGE_CACHE_SIZE - offset;
+	memcpy(kaddr + offset, ptr, nbytes);
 	flush_dcache_page(page);
 	kunmap_atomic(kaddr, KM_USER0);
+	unlock_page(page);
+	page_cache_release(page);
 
+	/* If quota straddles page boundary, we need to update the rest of the
+	 * quota at the beginning of the next page */
+	if (offset != 0) { /* first page, offset is closer to PAGE_CACHE_SIZE */
+		ptr = ptr + nbytes;
+		nbytes = sizeof(struct gfs2_quota) - nbytes;
+		offset = 0;
+		index++;
+		goto get_a_page;
+	}
+
+	/* Update the disk inode timestamp and size (if extended) */
 	err = gfs2_meta_inode_buffer(ip, &dibh);
 	if (err)
-		goto unlock;
+		goto out;
 
 	size = loc + sizeof(struct gfs2_quota);
 	if (size > inode->i_size) {
@@ -715,7 +747,9 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
 	brelse(dibh);
 	mark_inode_dirty(inode);
 
-unlock:
+out:
+	return err;
+unlock_out:
 	unlock_page(page);
 	page_cache_release(page);
 	return err;
@@ -779,8 +813,10 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
 	 * rgrp since it won't be allocated during the transaction
 	 */
 	al->al_requested = 1;
-	/* +1 in the end for block requested above for unstuffing */
-	blocks = num_qd * data_blocks + RES_DINODE + num_qd + 1;
+	/* +3 in the end for unstuffing block, inode size update block
+	 * and another block in case quota straddles page boundary and 
+	 * two blocks need to be updated instead of 1 */
+	blocks = num_qd * data_blocks + RES_DINODE + num_qd + 3;
 
 	if (nalloc)
 		al->al_requested += nalloc * (data_blocks + ind_blocks);		

From 0a382a74b677360096857bcb5288c340fca671ed Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sat, 27 Feb 2010 17:51:37 +0100
Subject: [PATCH 0769/3638] mtd: mtdram.h: checkpatch cleanup

include/linux/mtd/mtdram.h:6: ERROR: code indent should use tabs where possible

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 include/linux/mtd/mtdram.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mtd/mtdram.h b/include/linux/mtd/mtdram.h
index 04fdc07b735..68891313875 100644
--- a/include/linux/mtd/mtdram.h
+++ b/include/linux/mtd/mtdram.h
@@ -3,6 +3,6 @@
 
 #include <linux/mtd/mtd.h>
 int mtdram_init_device(struct mtd_info *mtd, void *mapped_address,
-                       unsigned long size, char *name);
+			unsigned long size, char *name);
 
 #endif /* __MTD_MTDRAM_H__ */

From 0bfa4df2b65a94ce761306ab53447010b928b7dd Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Thu, 1 Apr 2010 15:22:50 +0300
Subject: [PATCH 0770/3638] mtd: nandsim: make some structures anonymous

We do not need these names. Moreover, there are spelling typos
there: "nansin" instead of "nandsim".

This patch is just a clean up, no functional changes.

Reported-by: Ferenc Wagner <wferi@niif.hu>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nandsim.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 8a0a5d16e0e..261337efe0e 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -315,7 +315,7 @@ struct nandsim {
 	union ns_mem buf;
 
 	/* NAND flash "geometry" */
-	struct nandsin_geometry {
+	struct {
 		uint64_t totsz;     /* total flash size, bytes */
 		uint32_t secsz;     /* flash sector (erase block) size, bytes */
 		uint pgsz;          /* NAND flash page size, bytes */
@@ -334,7 +334,7 @@ struct nandsim {
 	} geom;
 
 	/* NAND flash internal registers */
-	struct nandsim_regs {
+	struct {
 		unsigned command; /* the command register */
 		u_char   status;  /* the status register */
 		uint     row;     /* the page number */
@@ -345,7 +345,7 @@ struct nandsim {
 	} regs;
 
 	/* NAND flash lines state */
-        struct ns_lines_status {
+        struct {
                 int ce;  /* chip Enable */
                 int cle; /* command Latch Enable */
                 int ale; /* address Latch Enable */

From dad94318907b5947b499f88f38c074227245d15c Mon Sep 17 00:00:00 2001
From: Ferenc Wagner <wferi@niif.hu>
Date: Sat, 6 Mar 2010 20:09:23 +0100
Subject: [PATCH 0771/3638] mtd: kconfig: remove stray endchoice from help text

Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index b712aedd89f..8f402d46a36 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -373,8 +373,6 @@ config MTD_NAND_ATMEL_ECC_NONE
 
 	  If unsure, say N
 
-	  endchoice
-
 endchoice
 
 config MTD_NAND_PXA3xx

From ac39ee304ac33f15107e42adb5ee5b0d0ce2dc4a Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 9 Mar 2010 11:05:48 -0500
Subject: [PATCH 0772/3638] mtd: Blackfin NFC: localize MMR bit masks

Convert all magic numbers into appropriate defines, and move the defines
out of the global namespace and into this one driver.  No other driver
needs to care about the MMR layout anyways.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/bf5xx_nand.c | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index 8506e7e606f..2974995e194 100644
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -68,6 +68,27 @@
 #define DRV_AUTHOR	"Bryan Wu <bryan.wu@analog.com>"
 #define DRV_DESC	"BF5xx on-chip NAND FLash Controller Driver"
 
+/* NFC_STAT Masks */
+#define NBUSY       0x01  /* Not Busy */
+#define WB_FULL     0x02  /* Write Buffer Full */
+#define PG_WR_STAT  0x04  /* Page Write Pending */
+#define PG_RD_STAT  0x08  /* Page Read Pending */
+#define WB_EMPTY    0x10  /* Write Buffer Empty */
+
+/* NFC_IRQSTAT Masks */
+#define NBUSYIRQ    0x01  /* Not Busy IRQ */
+#define WB_OVF      0x02  /* Write Buffer Overflow */
+#define WB_EDGE     0x04  /* Write Buffer Edge Detect */
+#define RD_RDY      0x08  /* Read Data Ready */
+#define WR_DONE     0x10  /* Page Write Done */
+
+/* NFC_RST Masks */
+#define ECC_RST     0x01  /* ECC (and NFC counters) Reset */
+
+/* NFC_PGCTL Masks */
+#define PG_RD_START 0x01  /* Page Read Start */
+#define PG_WR_START 0x02  /* Page Write Start */
+
 #ifdef CONFIG_MTD_NAND_BF5XX_HWECC
 static int hardware_ecc = 1;
 #else
@@ -487,7 +508,7 @@ static void bf5xx_nand_dma_rw(struct mtd_info *mtd,
 	 * transferred to generate the correct ECC register
 	 * values.
 	 */
-	bfin_write_NFC_RST(0x1);
+	bfin_write_NFC_RST(ECC_RST);
 	SSYNC();
 
 	disable_dma(CH_NFC);
@@ -497,7 +518,7 @@ static void bf5xx_nand_dma_rw(struct mtd_info *mtd,
 	set_dma_config(CH_NFC, 0x0);
 	set_dma_start_addr(CH_NFC, (unsigned long) buf);
 
-/* The DMAs have different size on BF52x and BF54x */
+	/* The DMAs have different size on BF52x and BF54x */
 #ifdef CONFIG_BF52x
 	set_dma_x_count(CH_NFC, (page_size >> 1));
 	set_dma_x_modify(CH_NFC, 2);
@@ -517,9 +538,9 @@ static void bf5xx_nand_dma_rw(struct mtd_info *mtd,
 
 	/* Start PAGE read/write operation */
 	if (is_read)
-		bfin_write_NFC_PGCTL(0x1);
+		bfin_write_NFC_PGCTL(PG_RD_START);
 	else
-		bfin_write_NFC_PGCTL(0x2);
+		bfin_write_NFC_PGCTL(PG_WR_START);
 	wait_for_completion(&info->dma_completion);
 }
 

From 4a70b7d3953c279738a094d2e5ffe7c66b15a5d0 Mon Sep 17 00:00:00 2001
From: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Date: Wed, 24 Mar 2010 12:10:48 +0200
Subject: [PATCH 0773/3638] mtd: OneNAND: OMAP2/3: unmap correct DMA buffer

Functions omap2_onenand_write_bufferram() and omap3_onenand_write_bufferram()
map the write buffer and store the returned handle in variable dma_src. However,
when DMA unmap is done, variable dma_dst is used instead of the correct dma_src.

This patch fixes them to use the correct DMA buffer.

Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Tested-by: Arnaud Ebalard <arno@natisbad.org>
Acked-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/omap2.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index dfbab6c72b7..f52934c7eb0 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -402,7 +402,7 @@ static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
 
 	dma_src = dma_map_single(&c->pdev->dev, buf, count, DMA_TO_DEVICE);
 	dma_dst = c->phys_base + bram_offset;
-	if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+	if (dma_mapping_error(&c->pdev->dev, dma_src)) {
 		dev_err(&c->pdev->dev,
 			"Couldn't DMA map a %d byte buffer\n",
 			count);
@@ -425,7 +425,7 @@ static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
 		if (*done)
 			break;
 
-	dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE);
+	dma_unmap_single(&c->pdev->dev, dma_src, count, DMA_TO_DEVICE);
 
 	if (!*done) {
 		dev_err(&c->pdev->dev, "timeout waiting for DMA\n");
@@ -520,7 +520,7 @@ static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
 	dma_src = dma_map_single(&c->pdev->dev, (void *) buffer, count,
 				 DMA_TO_DEVICE);
 	dma_dst = c->phys_base + bram_offset;
-	if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+	if (dma_mapping_error(&c->pdev->dev, dma_src)) {
 		dev_err(&c->pdev->dev,
 			"Couldn't DMA map a %d byte buffer\n",
 			count);
@@ -538,7 +538,7 @@ static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
 	omap_start_dma(c->dma_channel);
 	wait_for_completion(&c->dma_done);
 
-	dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE);
+	dma_unmap_single(&c->pdev->dev, dma_src, count, DMA_TO_DEVICE);
 
 	return 0;
 }

From b92b5c41a05b69f56e3d5e92dce3dbb5f5f5cf81 Mon Sep 17 00:00:00 2001
From: Ferenc Wagner <wferi@niif.hu>
Date: Tue, 23 Mar 2010 18:08:16 +0100
Subject: [PATCH 0774/3638] mtd/nand/fsl_upm: Replace the dangerous
 to_fsl_upm_nand macro

The original macro worked only when applied to variables named 'mtd'.
While this could have been fixed by simply renaming the macro argument,
a more type-safe replacement is preferred.

Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/fsl_upm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index d721ec055cb..b4e2ba47d7b 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -48,7 +48,10 @@ struct fsl_upm_nand {
 	uint32_t wait_flags;
 };
 
-#define to_fsl_upm_nand(mtd) container_of(mtd, struct fsl_upm_nand, mtd)
+static inline struct fsl_upm_nand *to_fsl_upm_nand(struct mtd_info *mtdinfo)
+{
+	return container_of(mtdinfo, struct fsl_upm_nand, mtd);
+}
 
 static int fun_chip_ready(struct mtd_info *mtd)
 {

From 67026418f534045525a7c39f506006cd7fbd197f Mon Sep 17 00:00:00 2001
From: Ferenc Wagner <wferi@niif.hu>
Date: Tue, 23 Mar 2010 18:09:09 +0100
Subject: [PATCH 0775/3638] mtd/nand/sh_flctl: Replace the dangerous
 mtd_to_flctl macro

The original macro worked only when applied to variables named 'mtd'.
While this could have been fixed by simply renaming the macro argument,
a more type-safe replacement is preferred.

Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 include/linux/mtd/sh_flctl.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h
index ab77609ec33..178b5c26c99 100644
--- a/include/linux/mtd/sh_flctl.h
+++ b/include/linux/mtd/sh_flctl.h
@@ -93,7 +93,10 @@
 #define INIT_FL4ECCRESULT_VAL	0x03FF03FF
 #define LOOP_TIMEOUT_MAX	0x00010000
 
-#define mtd_to_flctl(mtd)	container_of(mtd, struct sh_flctl, mtd)
+static inline struct sh_flctl *mtd_to_flctl(struct mtd_info *mtdinfo)
+{
+	return container_of(mtdinfo, struct sh_flctl, mtd);
+}
 
 struct sh_flctl {
 	struct mtd_info		mtd;

From c4e773764cead9358fd4b036d1b883fff3968513 Mon Sep 17 00:00:00 2001
From: Stefani Seibold <stefani@seibold.net>
Date: Sun, 18 Apr 2010 22:46:44 +0200
Subject: [PATCH 0776/3638] mtd: fix a huge latency problem in the MTD CFI and
 LPDDR flash drivers.

The use of a memcpy() during a spinlock operation will cause very long
thread context switch delays if the flash chip bandwidth is low and the
data to be copied large, because a spinlock will disable preemption.

For example: A flash with 6,5 MB/s bandwidth will cause under ubifs,
which request sometimes 128 KiB (the flash erase size), a preemption delay of
20 milliseconds. High priority threads will not be served during this
time, regardless whether this threads access the flash or not. This behavior
breaks real time.

The patch changes all the use of spin_lock operations for xxxx->mutex
into mutex operations, which is exact what the name says and means.

I have checked the code of the drivers and there is no use of atomic
pathes like interrupt or timers. The mtdoops facility will also not be used
by this drivers. So it is dave to replace the spin_lock against mutex.

There is no performance regression since the mutex is normally not
acquired.

Changelog:
 06.03.2010 First release
 26.03.2010 Fix mutex[1] issue and tested it for compile failure

Signed-off-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0001.c | 131 +++++++++++++--------------
 drivers/mtd/chips/cfi_cmdset_0002.c | 122 ++++++++++++-------------
 drivers/mtd/chips/cfi_cmdset_0020.c | 136 ++++++++++++++--------------
 drivers/mtd/chips/fwh_lock.h        |   6 +-
 drivers/mtd/chips/gen_probe.c       |   3 +-
 drivers/mtd/lpddr/lpddr_cmds.c      |  79 ++++++++--------
 include/linux/mtd/flashchip.h       |   4 +-
 7 files changed, 239 insertions(+), 242 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 92530433c11..62f3ea9de84 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -725,8 +725,7 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
 				/* those should be reset too since
 				   they create memory references. */
 				init_waitqueue_head(&chip->wq);
-				spin_lock_init(&chip->_spinlock);
-				chip->mutex = &chip->_spinlock;
+				mutex_init(&chip->mutex);
 				chip++;
 			}
 		}
@@ -772,9 +771,9 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
 			if (chip->priv && map_word_andequal(map, status, status_PWS, status_PWS))
 				break;
 
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			cfi_udelay(1);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			/* Someone else might have been playing with it. */
 			return -EAGAIN;
 		}
@@ -821,9 +820,9 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
 				return -EIO;
 			}
 
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			cfi_udelay(1);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			/* Nobody will touch it while it's in state FL_ERASE_SUSPENDING.
 			   So we can just loop here. */
 		}
@@ -850,10 +849,10 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
 	sleep:
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 		return -EAGAIN;
 	}
 }
@@ -899,20 +898,20 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 			 * it'll happily send us to sleep.  In any case, when
 			 * get_chip returns success we're clear to go ahead.
 			 */
-			ret = spin_trylock(contender->mutex);
+			ret = mutex_trylock(&contender->mutex);
 			spin_unlock(&shared->lock);
 			if (!ret)
 				goto retry;
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			ret = chip_ready(map, contender, contender->start, mode);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 
 			if (ret == -EAGAIN) {
-				spin_unlock(contender->mutex);
+				mutex_unlock(&contender->mutex);
 				goto retry;
 			}
 			if (ret) {
-				spin_unlock(contender->mutex);
+				mutex_unlock(&contender->mutex);
 				return ret;
 			}
 			spin_lock(&shared->lock);
@@ -921,10 +920,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 			 * in FL_SYNCING state. Put contender and retry. */
 			if (chip->state == FL_SYNCING) {
 				put_chip(map, contender, contender->start);
-				spin_unlock(contender->mutex);
+				mutex_unlock(&contender->mutex);
 				goto retry;
 			}
-			spin_unlock(contender->mutex);
+			mutex_unlock(&contender->mutex);
 		}
 
 		/* Check if we already have suspended erase
@@ -934,10 +933,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 			spin_unlock(&shared->lock);
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			goto retry;
 		}
 
@@ -967,12 +966,12 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad
 			if (shared->writing && shared->writing != chip) {
 				/* give back ownership to who we loaned it from */
 				struct flchip *loaner = shared->writing;
-				spin_lock(loaner->mutex);
+				mutex_lock(&loaner->mutex);
 				spin_unlock(&shared->lock);
-				spin_unlock(chip->mutex);
+				mutex_unlock(&chip->mutex);
 				put_chip(map, loaner, loaner->start);
-				spin_lock(chip->mutex);
-				spin_unlock(loaner->mutex);
+				mutex_lock(&chip->mutex);
+				mutex_unlock(&loaner->mutex);
 				wake_up(&chip->wq);
 				return;
 			}
@@ -1142,7 +1141,7 @@ static int __xipram xip_wait_for_operation(
 			(void) map_read(map, adr);
 			xip_iprefetch();
 			local_irq_enable();
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			xip_iprefetch();
 			cond_resched();
 
@@ -1152,15 +1151,15 @@ static int __xipram xip_wait_for_operation(
 			 * a suspended erase state.  If so let's wait
 			 * until it's done.
 			 */
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			while (chip->state != newstate) {
 				DECLARE_WAITQUEUE(wait, current);
 				set_current_state(TASK_UNINTERRUPTIBLE);
 				add_wait_queue(&chip->wq, &wait);
-				spin_unlock(chip->mutex);
+				mutex_unlock(&chip->mutex);
 				schedule();
 				remove_wait_queue(&chip->wq, &wait);
-				spin_lock(chip->mutex);
+				mutex_lock(&chip->mutex);
 			}
 			/* Disallow XIP again */
 			local_irq_disable();
@@ -1216,10 +1215,10 @@ static int inval_cache_and_wait_for_operation(
 	int chip_state = chip->state;
 	unsigned int timeo, sleep_time, reset_timeo;
 
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	if (inval_len)
 		INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len);
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	timeo = chip_op_time_max;
 	if (!timeo)
@@ -1239,7 +1238,7 @@ static int inval_cache_and_wait_for_operation(
 		}
 
 		/* OK Still waiting. Drop the lock, wait a while and retry. */
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		if (sleep_time >= 1000000/HZ) {
 			/*
 			 * Half of the normal delay still remaining
@@ -1254,17 +1253,17 @@ static int inval_cache_and_wait_for_operation(
 			cond_resched();
 			timeo--;
 		}
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		while (chip->state != chip_state) {
 			/* Someone's suspended the operation: sleep */
 			DECLARE_WAITQUEUE(wait, current);
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 		}
 		if (chip->erase_suspended && chip_state == FL_ERASING)  {
 			/* Erase suspend occured while sleep: reset timeout */
@@ -1300,7 +1299,7 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a
 	/* Ensure cmd read/writes are aligned. */
 	cmd_addr = adr & ~(map_bankwidth(map)-1);
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	ret = get_chip(map, chip, cmd_addr, FL_POINT);
 
@@ -1311,7 +1310,7 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a
 		chip->state = FL_POINT;
 		chip->ref_point_counter++;
 	}
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 
 	return ret;
 }
@@ -1396,7 +1395,7 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
 		else
 			thislen = len;
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 		if (chip->state == FL_POINT) {
 			chip->ref_point_counter--;
 			if(chip->ref_point_counter == 0)
@@ -1405,7 +1404,7 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
 			printk(KERN_ERR "%s: Warning: unpoint called on non pointed region\n", map->name); /* Should this give an error? */
 
 		put_chip(map, chip, chip->start);
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 
 		len -= thislen;
 		ofs = 0;
@@ -1424,10 +1423,10 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 	/* Ensure cmd read/writes are aligned. */
 	cmd_addr = adr & ~(map_bankwidth(map)-1);
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, cmd_addr, FL_READY);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -1441,7 +1440,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 
 	put_chip(map, chip, cmd_addr);
 
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return 0;
 }
 
@@ -1504,10 +1503,10 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
 		return -EINVAL;
 	}
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr, mode);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -1553,7 +1552,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
 
 	xip_enable(map, chip, adr);
  out:	put_chip(map, chip, adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -1662,10 +1661,10 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
 	/* Let's determine this according to the interleave only once */
 	write_cmd = (cfi->cfiq->P_ID != 0x0200) ? CMD(0xe8) : CMD(0xe9);
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, cmd_adr, FL_WRITING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -1796,7 +1795,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
 
 	xip_enable(map, chip, cmd_adr);
  out:	put_chip(map, chip, cmd_adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -1875,10 +1874,10 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
 	adr += chip->start;
 
  retry:
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr, FL_ERASING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -1934,7 +1933,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
 		} else if (chipstatus & 0x20 && retries--) {
 			printk(KERN_DEBUG "block erase failed at 0x%08lx: status 0x%lx. Retrying...\n", adr, chipstatus);
 			put_chip(map, chip, adr);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			goto retry;
 		} else {
 			printk(KERN_ERR "%s: block erase failed at 0x%08lx (status 0x%lx)\n", map->name, adr, chipstatus);
@@ -1946,7 +1945,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
 
 	xip_enable(map, chip, adr);
  out:	put_chip(map, chip, adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -1979,7 +1978,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
 	for (i=0; !ret && i<cfi->numchips; i++) {
 		chip = &cfi->chips[i];
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 		ret = get_chip(map, chip, chip->start, FL_SYNCING);
 
 		if (!ret) {
@@ -1990,7 +1989,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
 			 * with the chip now anyway.
 			 */
 		}
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 
 	/* Unlock the chips again */
@@ -1998,14 +1997,14 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
 	for (i--; i >=0; i--) {
 		chip = &cfi->chips[i];
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		if (chip->state == FL_SYNCING) {
 			chip->state = chip->oldstate;
 			chip->oldstate = FL_READY;
 			wake_up(&chip->wq);
 		}
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 }
 
@@ -2051,10 +2050,10 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
 
 	adr += chip->start;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr, FL_LOCKING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -2088,7 +2087,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
 
 	xip_enable(map, chip, adr);
 out:	put_chip(map, chip, adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -2153,10 +2152,10 @@ do_otp_read(struct map_info *map, struct flchip *chip, u_long offset,
 	struct cfi_private *cfi = map->fldrv_priv;
 	int ret;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, chip->start, FL_JEDEC_QUERY);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -2175,7 +2174,7 @@ do_otp_read(struct map_info *map, struct flchip *chip, u_long offset,
 	INVALIDATE_CACHED_RANGE(map, chip->start + offset, size);
 
 	put_chip(map, chip, chip->start);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return 0;
 }
 
@@ -2450,7 +2449,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
 	for (i=0; !ret && i<cfi->numchips; i++) {
 		chip = &cfi->chips[i];
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		switch (chip->state) {
 		case FL_READY:
@@ -2482,7 +2481,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
 		case FL_PM_SUSPENDED:
 			break;
 		}
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 
 	/* Unlock the chips again */
@@ -2491,7 +2490,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
 		for (i--; i >=0; i--) {
 			chip = &cfi->chips[i];
 
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 
 			if (chip->state == FL_PM_SUSPENDED) {
 				/* No need to force it into a known state here,
@@ -2501,7 +2500,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
 				chip->oldstate = FL_READY;
 				wake_up(&chip->wq);
 			}
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 		}
 	}
 
@@ -2542,7 +2541,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd)
 
 		chip = &cfi->chips[i];
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		/* Go to known state. Chip may have been power cycled */
 		if (chip->state == FL_PM_SUSPENDED) {
@@ -2551,7 +2550,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd)
 			wake_up(&chip->wq);
 		}
 
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 
 	if ((mtd->flags & MTD_POWERUP_LOCK)
@@ -2571,14 +2570,14 @@ static int cfi_intelext_reset(struct mtd_info *mtd)
 		/* force the completion of any ongoing operation
 		   and switch to array mode so any bootloader in
 		   flash is accessible for soft reboot. */
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 		ret = get_chip(map, chip, chip->start, FL_SHUTDOWN);
 		if (!ret) {
 			map_write(map, CMD(0xff), chip->start);
 			chip->state = FL_SHUTDOWN;
 			put_chip(map, chip, chip->start);
 		}
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 
 	return 0;
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index ea2a7f66ddf..c93e47d21ce 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -565,9 +565,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 				printk(KERN_ERR "Waiting for chip to be ready timed out.\n");
 				return -EIO;
 			}
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			cfi_udelay(1);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			/* Someone else might have been playing with it. */
 			goto retry;
 		}
@@ -611,9 +611,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 				return -EIO;
 			}
 
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			cfi_udelay(1);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			/* Nobody will touch it while it's in state FL_ERASE_SUSPENDING.
 			   So we can just loop here. */
 		}
@@ -637,10 +637,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 	sleep:
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 		goto resettime;
 	}
 }
@@ -772,7 +772,7 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip,
 			(void) map_read(map, adr);
 			xip_iprefetch();
 			local_irq_enable();
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			xip_iprefetch();
 			cond_resched();
 
@@ -782,15 +782,15 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip,
 			 * a suspended erase state.  If so let's wait
 			 * until it's done.
 			 */
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			while (chip->state != FL_XIP_WHILE_ERASING) {
 				DECLARE_WAITQUEUE(wait, current);
 				set_current_state(TASK_UNINTERRUPTIBLE);
 				add_wait_queue(&chip->wq, &wait);
-				spin_unlock(chip->mutex);
+				mutex_unlock(&chip->mutex);
 				schedule();
 				remove_wait_queue(&chip->wq, &wait);
-				spin_lock(chip->mutex);
+				mutex_lock(&chip->mutex);
 			}
 			/* Disallow XIP again */
 			local_irq_disable();
@@ -852,17 +852,17 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip,
 
 #define UDELAY(map, chip, adr, usec)  \
 do {  \
-	spin_unlock(chip->mutex);  \
+	mutex_unlock(&chip->mutex);  \
 	cfi_udelay(usec);  \
-	spin_lock(chip->mutex);  \
+	mutex_lock(&chip->mutex);  \
 } while (0)
 
 #define INVALIDATE_CACHE_UDELAY(map, chip, adr, len, usec)  \
 do {  \
-	spin_unlock(chip->mutex);  \
+	mutex_unlock(&chip->mutex);  \
 	INVALIDATE_CACHED_RANGE(map, adr, len);  \
 	cfi_udelay(usec);  \
-	spin_lock(chip->mutex);  \
+	mutex_lock(&chip->mutex);  \
 } while (0)
 
 #endif
@@ -878,10 +878,10 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 	/* Ensure cmd read/writes are aligned. */
 	cmd_addr = adr & ~(map_bankwidth(map)-1);
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, cmd_addr, FL_READY);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -894,7 +894,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 
 	put_chip(map, chip, cmd_addr);
 
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return 0;
 }
 
@@ -948,7 +948,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
 	struct cfi_private *cfi = map->fldrv_priv;
 
  retry:
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	if (chip->state != FL_READY){
 #if 0
@@ -957,7 +957,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
 
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
@@ -986,7 +986,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
 	cfi_send_gen_cmd(0x00, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
 
 	wake_up(&chip->wq);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 
 	return 0;
 }
@@ -1055,10 +1055,10 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
 
 	adr += chip->start;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr, FL_WRITING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -1101,11 +1101,11 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
 
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
 			timeo = jiffies + (HZ / 2); /* FIXME */
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			continue;
 		}
 
@@ -1137,7 +1137,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
  op_done:
 	chip->state = FL_READY;
 	put_chip(map, chip, adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 
 	return ret;
 }
@@ -1169,7 +1169,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
 		map_word tmp_buf;
 
  retry:
-		spin_lock(cfi->chips[chipnum].mutex);
+		mutex_lock(&cfi->chips[chipnum].mutex);
 
 		if (cfi->chips[chipnum].state != FL_READY) {
 #if 0
@@ -1178,7 +1178,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&cfi->chips[chipnum].wq, &wait);
 
-			spin_unlock(cfi->chips[chipnum].mutex);
+			mutex_unlock(&cfi->chips[chipnum].mutex);
 
 			schedule();
 			remove_wait_queue(&cfi->chips[chipnum].wq, &wait);
@@ -1192,7 +1192,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
 		/* Load 'tmp_buf' with old contents of flash */
 		tmp_buf = map_read(map, bus_ofs+chipstart);
 
-		spin_unlock(cfi->chips[chipnum].mutex);
+		mutex_unlock(&cfi->chips[chipnum].mutex);
 
 		/* Number of bytes to copy from buffer */
 		n = min_t(int, len, map_bankwidth(map)-i);
@@ -1247,7 +1247,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
 		map_word tmp_buf;
 
  retry1:
-		spin_lock(cfi->chips[chipnum].mutex);
+		mutex_lock(&cfi->chips[chipnum].mutex);
 
 		if (cfi->chips[chipnum].state != FL_READY) {
 #if 0
@@ -1256,7 +1256,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&cfi->chips[chipnum].wq, &wait);
 
-			spin_unlock(cfi->chips[chipnum].mutex);
+			mutex_unlock(&cfi->chips[chipnum].mutex);
 
 			schedule();
 			remove_wait_queue(&cfi->chips[chipnum].wq, &wait);
@@ -1269,7 +1269,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
 
 		tmp_buf = map_read(map, ofs + chipstart);
 
-		spin_unlock(cfi->chips[chipnum].mutex);
+		mutex_unlock(&cfi->chips[chipnum].mutex);
 
 		tmp_buf = map_word_load_partial(map, tmp_buf, buf, 0, len);
 
@@ -1304,10 +1304,10 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
 	adr += chip->start;
 	cmd_adr = adr;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr, FL_WRITING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -1362,11 +1362,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
 
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
 			timeo = jiffies + (HZ / 2); /* FIXME */
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			continue;
 		}
 
@@ -1394,7 +1394,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
  op_done:
 	chip->state = FL_READY;
 	put_chip(map, chip, adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 
 	return ret;
 }
@@ -1494,10 +1494,10 @@ static int __xipram do_erase_chip(struct map_info *map, struct flchip *chip)
 
 	adr = cfi->addr_unlock1;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr, FL_WRITING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -1530,10 +1530,10 @@ static int __xipram do_erase_chip(struct map_info *map, struct flchip *chip)
 			/* Someone's suspended the erase. Sleep */
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			continue;
 		}
 		if (chip->erase_suspended) {
@@ -1567,7 +1567,7 @@ static int __xipram do_erase_chip(struct map_info *map, struct flchip *chip)
 	chip->state = FL_READY;
 	xip_enable(map, chip, adr);
 	put_chip(map, chip, adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 
 	return ret;
 }
@@ -1582,10 +1582,10 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
 
 	adr += chip->start;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr, FL_ERASING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -1618,10 +1618,10 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
 			/* Someone's suspended the erase. Sleep */
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			continue;
 		}
 		if (chip->erase_suspended) {
@@ -1657,7 +1657,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
 
 	chip->state = FL_READY;
 	put_chip(map, chip, adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -1709,7 +1709,7 @@ static int do_atmel_lock(struct map_info *map, struct flchip *chip,
 	struct cfi_private *cfi = map->fldrv_priv;
 	int ret;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
 	if (ret)
 		goto out_unlock;
@@ -1735,7 +1735,7 @@ static int do_atmel_lock(struct map_info *map, struct flchip *chip,
 	ret = 0;
 
 out_unlock:
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -1745,7 +1745,7 @@ static int do_atmel_unlock(struct map_info *map, struct flchip *chip,
 	struct cfi_private *cfi = map->fldrv_priv;
 	int ret;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING);
 	if (ret)
 		goto out_unlock;
@@ -1763,7 +1763,7 @@ static int do_atmel_unlock(struct map_info *map, struct flchip *chip,
 	ret = 0;
 
 out_unlock:
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -1791,7 +1791,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
 		chip = &cfi->chips[i];
 
 	retry:
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		switch(chip->state) {
 		case FL_READY:
@@ -1805,7 +1805,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
 			 * with the chip now anyway.
 			 */
 		case FL_SYNCING:
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			break;
 
 		default:
@@ -1813,7 +1813,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
 
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 
 			schedule();
 
@@ -1828,13 +1828,13 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
 	for (i--; i >=0; i--) {
 		chip = &cfi->chips[i];
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		if (chip->state == FL_SYNCING) {
 			chip->state = chip->oldstate;
 			wake_up(&chip->wq);
 		}
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 }
 
@@ -1850,7 +1850,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
 	for (i=0; !ret && i<cfi->numchips; i++) {
 		chip = &cfi->chips[i];
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		switch(chip->state) {
 		case FL_READY:
@@ -1870,7 +1870,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
 			ret = -EAGAIN;
 			break;
 		}
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 
 	/* Unlock the chips again */
@@ -1879,13 +1879,13 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
 		for (i--; i >=0; i--) {
 			chip = &cfi->chips[i];
 
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 
 			if (chip->state == FL_PM_SUSPENDED) {
 				chip->state = chip->oldstate;
 				wake_up(&chip->wq);
 			}
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 		}
 	}
 
@@ -1904,7 +1904,7 @@ static void cfi_amdstd_resume(struct mtd_info *mtd)
 
 		chip = &cfi->chips[i];
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		if (chip->state == FL_PM_SUSPENDED) {
 			chip->state = FL_READY;
@@ -1914,7 +1914,7 @@ static void cfi_amdstd_resume(struct mtd_info *mtd)
 		else
 			printk(KERN_ERR "Argh. Chip not in PM_SUSPENDED state upon resume()\n");
 
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 }
 
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index 0667a671525..e54e8c169d7 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -265,7 +265,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 
 	timeo = jiffies + HZ;
  retry:
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	/* Check that the chip's ready to talk to us.
 	 * If it's in FL_ERASING state, suspend it and make it talk now.
@@ -296,15 +296,15 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 				/* make sure we're in 'read status' mode */
 				map_write(map, CMD(0x70), cmd_addr);
 				chip->state = FL_ERASING;
-				spin_unlock_bh(chip->mutex);
+				mutex_unlock(&chip->mutex);
 				printk(KERN_ERR "Chip not ready after erase "
 				       "suspended: status = 0x%lx\n", status.x[0]);
 				return -EIO;
 			}
 
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			cfi_udelay(1);
-			spin_lock_bh(chip->mutex);
+			mutex_lock(&chip->mutex);
 		}
 
 		suspended = 1;
@@ -335,13 +335,13 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 
 		/* Urgh. Chip not yet ready to talk to us. */
 		if (time_after(jiffies, timeo)) {
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			printk(KERN_ERR "waiting for chip to be ready timed out in read. WSM status = %lx\n", status.x[0]);
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the lock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
 		goto retry;
 
@@ -351,7 +351,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 		   someone changes the status */
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
 		timeo = jiffies + HZ;
@@ -376,7 +376,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
 	}
 
 	wake_up(&chip->wq);
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return 0;
 }
 
@@ -445,7 +445,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
 #ifdef DEBUG_CFI_FEATURES
        printk("%s: chip->state[%d]\n", __func__, chip->state);
 #endif
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	/* Check that the chip's ready to talk to us.
 	 * Later, we can actually think about interrupting it
@@ -470,14 +470,14 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
 			break;
 		/* Urgh. Chip not yet ready to talk to us. */
 		if (time_after(jiffies, timeo)) {
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
                         printk(KERN_ERR "waiting for chip to be ready timed out in buffer write Xstatus = %lx, status = %lx\n",
                                status.x[0], map_read(map, cmd_adr).x[0]);
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the lock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
 		goto retry;
 
@@ -486,7 +486,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
 		   someone changes the status */
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
 		timeo = jiffies + HZ;
@@ -503,16 +503,16 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
 		if (map_word_andequal(map, status, status_OK, status_OK))
 			break;
 
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		if (++z > 100) {
 			/* Argh. Not ready for write to buffer */
 			DISABLE_VPP(map);
                         map_write(map, CMD(0x70), cmd_adr);
 			chip->state = FL_STATUS;
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			printk(KERN_ERR "Chip not ready for buffer write. Xstatus = %lx\n", status.x[0]);
 			return -EIO;
 		}
@@ -532,9 +532,9 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
 	map_write(map, CMD(0xd0), cmd_adr);
 	chip->state = FL_WRITING;
 
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	cfi_udelay(chip->buffer_write_time);
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	timeo = jiffies + (HZ/2);
 	z = 0;
@@ -543,11 +543,11 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
 			/* Someone's suspended the write. Sleep */
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
 			timeo = jiffies + (HZ / 2); /* FIXME */
-			spin_lock_bh(chip->mutex);
+			mutex_lock(&chip->mutex);
 			continue;
 		}
 
@@ -563,16 +563,16 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
                         map_write(map, CMD(0x70), adr);
 			chip->state = FL_STATUS;
 			DISABLE_VPP(map);
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			printk(KERN_ERR "waiting for chip to be ready timed out in bufwrite\n");
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the lock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
 		z++;
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 	}
 	if (!z) {
 		chip->buffer_write_time--;
@@ -596,11 +596,11 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
 		/* put back into read status register mode */
 		map_write(map, CMD(0x70), adr);
 		wake_up(&chip->wq);
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return map_word_bitsset(map, status, CMD(0x02)) ? -EROFS : -EIO;
 	}
 	wake_up(&chip->wq);
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 
         return 0;
 }
@@ -749,7 +749,7 @@ static inline int do_erase_oneblock(struct map_info *map, struct flchip *chip, u
 
 	timeo = jiffies + HZ;
 retry:
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	/* Check that the chip's ready to talk to us. */
 	switch (chip->state) {
@@ -766,13 +766,13 @@ retry:
 
 		/* Urgh. Chip not yet ready to talk to us. */
 		if (time_after(jiffies, timeo)) {
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			printk(KERN_ERR "waiting for chip to be ready timed out in erase\n");
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the lock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
 		goto retry;
 
@@ -781,7 +781,7 @@ retry:
 		   someone changes the status */
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
 		timeo = jiffies + HZ;
@@ -797,9 +797,9 @@ retry:
 	map_write(map, CMD(0xD0), adr);
 	chip->state = FL_ERASING;
 
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	msleep(1000);
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	/* FIXME. Use a timer to check this, and return immediately. */
 	/* Once the state machine's known to be working I'll do that */
@@ -810,11 +810,11 @@ retry:
 			/* Someone's suspended the erase. Sleep */
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
 			timeo = jiffies + (HZ*20); /* FIXME */
-			spin_lock_bh(chip->mutex);
+			mutex_lock(&chip->mutex);
 			continue;
 		}
 
@@ -828,14 +828,14 @@ retry:
 			chip->state = FL_STATUS;
 			printk(KERN_ERR "waiting for erase to complete timed out. Xstatus = %lx, status = %lx.\n", status.x[0], map_read(map, adr).x[0]);
 			DISABLE_VPP(map);
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the lock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 	}
 
 	DISABLE_VPP(map);
@@ -878,7 +878,7 @@ retry:
 				printk(KERN_DEBUG "Chip erase failed at 0x%08lx: status 0x%x. Retrying...\n", adr, chipstatus);
 				timeo = jiffies + HZ;
 				chip->state = FL_STATUS;
-				spin_unlock_bh(chip->mutex);
+				mutex_unlock(&chip->mutex);
 				goto retry;
 			}
 			printk(KERN_DEBUG "Chip erase failed at 0x%08lx: status 0x%x\n", adr, chipstatus);
@@ -887,7 +887,7 @@ retry:
 	}
 
 	wake_up(&chip->wq);
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -995,7 +995,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
 		chip = &cfi->chips[i];
 
 	retry:
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		switch(chip->state) {
 		case FL_READY:
@@ -1009,7 +1009,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
 			 * with the chip now anyway.
 			 */
 		case FL_SYNCING:
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			break;
 
 		default:
@@ -1017,7 +1017,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
 
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 		        remove_wait_queue(&chip->wq, &wait);
 
@@ -1030,13 +1030,13 @@ static void cfi_staa_sync (struct mtd_info *mtd)
 	for (i--; i >=0; i--) {
 		chip = &cfi->chips[i];
 
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		if (chip->state == FL_SYNCING) {
 			chip->state = chip->oldstate;
 			wake_up(&chip->wq);
 		}
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 }
 
@@ -1054,7 +1054,7 @@ static inline int do_lock_oneblock(struct map_info *map, struct flchip *chip, un
 
 	timeo = jiffies + HZ;
 retry:
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	/* Check that the chip's ready to talk to us. */
 	switch (chip->state) {
@@ -1071,13 +1071,13 @@ retry:
 
 		/* Urgh. Chip not yet ready to talk to us. */
 		if (time_after(jiffies, timeo)) {
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			printk(KERN_ERR "waiting for chip to be ready timed out in lock\n");
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the lock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
 		goto retry;
 
@@ -1086,7 +1086,7 @@ retry:
 		   someone changes the status */
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
 		timeo = jiffies + HZ;
@@ -1098,9 +1098,9 @@ retry:
 	map_write(map, CMD(0x01), adr);
 	chip->state = FL_LOCKING;
 
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	msleep(1000);
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	/* FIXME. Use a timer to check this, and return immediately. */
 	/* Once the state machine's known to be working I'll do that */
@@ -1118,21 +1118,21 @@ retry:
 			chip->state = FL_STATUS;
 			printk(KERN_ERR "waiting for lock to complete timed out. Xstatus = %lx, status = %lx.\n", status.x[0], map_read(map, adr).x[0]);
 			DISABLE_VPP(map);
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the lock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 	}
 
 	/* Done and happy. */
 	chip->state = FL_STATUS;
 	DISABLE_VPP(map);
 	wake_up(&chip->wq);
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return 0;
 }
 static int cfi_staa_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
@@ -1203,7 +1203,7 @@ static inline int do_unlock_oneblock(struct map_info *map, struct flchip *chip,
 
 	timeo = jiffies + HZ;
 retry:
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	/* Check that the chip's ready to talk to us. */
 	switch (chip->state) {
@@ -1220,13 +1220,13 @@ retry:
 
 		/* Urgh. Chip not yet ready to talk to us. */
 		if (time_after(jiffies, timeo)) {
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			printk(KERN_ERR "waiting for chip to be ready timed out in unlock\n");
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the lock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
 		goto retry;
 
@@ -1235,7 +1235,7 @@ retry:
 		   someone changes the status */
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
 		timeo = jiffies + HZ;
@@ -1247,9 +1247,9 @@ retry:
 	map_write(map, CMD(0xD0), adr);
 	chip->state = FL_UNLOCKING;
 
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	msleep(1000);
-	spin_lock_bh(chip->mutex);
+	mutex_lock(&chip->mutex);
 
 	/* FIXME. Use a timer to check this, and return immediately. */
 	/* Once the state machine's known to be working I'll do that */
@@ -1267,21 +1267,21 @@ retry:
 			chip->state = FL_STATUS;
 			printk(KERN_ERR "waiting for unlock to complete timed out. Xstatus = %lx, status = %lx.\n", status.x[0], map_read(map, adr).x[0]);
 			DISABLE_VPP(map);
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			return -EIO;
 		}
 
 		/* Latency issues. Drop the unlock, wait a while and retry */
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		cfi_udelay(1);
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 	}
 
 	/* Done and happy. */
 	chip->state = FL_STATUS;
 	DISABLE_VPP(map);
 	wake_up(&chip->wq);
-	spin_unlock_bh(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return 0;
 }
 static int cfi_staa_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
@@ -1334,7 +1334,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
 	for (i=0; !ret && i<cfi->numchips; i++) {
 		chip = &cfi->chips[i];
 
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		switch(chip->state) {
 		case FL_READY:
@@ -1354,7 +1354,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
 			ret = -EAGAIN;
 			break;
 		}
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 
 	/* Unlock the chips again */
@@ -1363,7 +1363,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
 		for (i--; i >=0; i--) {
 			chip = &cfi->chips[i];
 
-			spin_lock_bh(chip->mutex);
+			mutex_lock(&chip->mutex);
 
 			if (chip->state == FL_PM_SUSPENDED) {
 				/* No need to force it into a known state here,
@@ -1372,7 +1372,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
 				chip->state = chip->oldstate;
 				wake_up(&chip->wq);
 			}
-			spin_unlock_bh(chip->mutex);
+			mutex_unlock(&chip->mutex);
 		}
 	}
 
@@ -1390,7 +1390,7 @@ static void cfi_staa_resume(struct mtd_info *mtd)
 
 		chip = &cfi->chips[i];
 
-		spin_lock_bh(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		/* Go to known state. Chip may have been power cycled */
 		if (chip->state == FL_PM_SUSPENDED) {
@@ -1399,7 +1399,7 @@ static void cfi_staa_resume(struct mtd_info *mtd)
 			wake_up(&chip->wq);
 		}
 
-		spin_unlock_bh(chip->mutex);
+		mutex_unlock(&chip->mutex);
 	}
 }
 
diff --git a/drivers/mtd/chips/fwh_lock.h b/drivers/mtd/chips/fwh_lock.h
index 57e0e4e921f..d1806497719 100644
--- a/drivers/mtd/chips/fwh_lock.h
+++ b/drivers/mtd/chips/fwh_lock.h
@@ -58,10 +58,10 @@ static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
 	 * to flash memory - that means that we don't have to check status
 	 * and timeout.
 	 */
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, adr, FL_LOCKING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -72,7 +72,7 @@ static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
 	/* Done and happy. */
 	chip->state = chip->oldstate;
 	put_chip(map, chip, adr);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return 0;
 }
 
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index e2dc96441e0..fcc1bc02c8a 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -155,8 +155,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
 			pchip->start = (i << cfi.chipshift);
 			pchip->state = FL_READY;
 			init_waitqueue_head(&pchip->wq);
-			spin_lock_init(&pchip->_spinlock);
-			pchip->mutex = &pchip->_spinlock;
+			mutex_init(&pchip->mutex);
 		}
 	}
 
diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c
index e22ca49583e..eb6f437ca9e 100644
--- a/drivers/mtd/lpddr/lpddr_cmds.c
+++ b/drivers/mtd/lpddr/lpddr_cmds.c
@@ -106,8 +106,7 @@ struct mtd_info *lpddr_cmdset(struct map_info *map)
 			/* those should be reset too since
 			   they create memory references. */
 			init_waitqueue_head(&chip->wq);
-			spin_lock_init(&chip->_spinlock);
-			chip->mutex = &chip->_spinlock;
+			mutex_init(&chip->mutex);
 			chip++;
 		}
 	}
@@ -143,7 +142,7 @@ static int wait_for_ready(struct map_info *map, struct flchip *chip,
 		}
 
 		/* OK Still waiting. Drop the lock, wait a while and retry. */
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		if (sleep_time >= 1000000/HZ) {
 			/*
 			 * Half of the normal delay still remaining
@@ -158,17 +157,17 @@ static int wait_for_ready(struct map_info *map, struct flchip *chip,
 			cond_resched();
 			timeo--;
 		}
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 
 		while (chip->state != chip_state) {
 			/* Someone's suspended the operation: sleep */
 			DECLARE_WAITQUEUE(wait, current);
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 		}
 		if (chip->erase_suspended || chip->write_suspended)  {
 			/* Suspend has occured while sleep: reset timeout */
@@ -229,20 +228,20 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode)
 			 * it'll happily send us to sleep.  In any case, when
 			 * get_chip returns success we're clear to go ahead.
 			 */
-			ret = spin_trylock(contender->mutex);
+			ret = mutex_trylock(&contender->mutex);
 			spin_unlock(&shared->lock);
 			if (!ret)
 				goto retry;
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			ret = chip_ready(map, contender, mode);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 
 			if (ret == -EAGAIN) {
-				spin_unlock(contender->mutex);
+				mutex_unlock(&contender->mutex);
 				goto retry;
 			}
 			if (ret) {
-				spin_unlock(contender->mutex);
+				mutex_unlock(&contender->mutex);
 				return ret;
 			}
 			spin_lock(&shared->lock);
@@ -251,10 +250,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode)
 			 * state. Put contender and retry. */
 			if (chip->state == FL_SYNCING) {
 				put_chip(map, contender);
-				spin_unlock(contender->mutex);
+				mutex_unlock(&contender->mutex);
 				goto retry;
 			}
-			spin_unlock(contender->mutex);
+			mutex_unlock(&contender->mutex);
 		}
 
 		/* Check if we have suspended erase on this chip.
@@ -264,10 +263,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode)
 			spin_unlock(&shared->lock);
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&chip->wq, &wait);
-			spin_unlock(chip->mutex);
+			mutex_unlock(&chip->mutex);
 			schedule();
 			remove_wait_queue(&chip->wq, &wait);
-			spin_lock(chip->mutex);
+			mutex_lock(&chip->mutex);
 			goto retry;
 		}
 
@@ -336,10 +335,10 @@ static int chip_ready(struct map_info *map, struct flchip *chip, int mode)
 sleep:
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		add_wait_queue(&chip->wq, &wait);
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		schedule();
 		remove_wait_queue(&chip->wq, &wait);
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 		return -EAGAIN;
 	}
 }
@@ -355,12 +354,12 @@ static void put_chip(struct map_info *map, struct flchip *chip)
 			if (shared->writing && shared->writing != chip) {
 				/* give back the ownership */
 				struct flchip *loaner = shared->writing;
-				spin_lock(loaner->mutex);
+				mutex_lock(&loaner->mutex);
 				spin_unlock(&shared->lock);
-				spin_unlock(chip->mutex);
+				mutex_unlock(&chip->mutex);
 				put_chip(map, loaner);
-				spin_lock(chip->mutex);
-				spin_unlock(loaner->mutex);
+				mutex_lock(&chip->mutex);
+				mutex_unlock(&loaner->mutex);
 				wake_up(&chip->wq);
 				return;
 			}
@@ -413,10 +412,10 @@ int do_write_buffer(struct map_info *map, struct flchip *chip,
 
 	wbufsize = 1 << lpddr->qinfo->BufSizeShift;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, FL_WRITING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 	/* Figure out the number of words to write */
@@ -477,7 +476,7 @@ int do_write_buffer(struct map_info *map, struct flchip *chip,
 	}
 
  out:	put_chip(map, chip);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -489,10 +488,10 @@ int do_erase_oneblock(struct mtd_info *mtd, loff_t adr)
 	struct flchip *chip = &lpddr->chips[chipnum];
 	int ret;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, FL_ERASING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 	send_pfow_command(map, LPDDR_BLOCK_ERASE, adr, 0, NULL);
@@ -504,7 +503,7 @@ int do_erase_oneblock(struct mtd_info *mtd, loff_t adr)
 		goto out;
 	}
  out:	put_chip(map, chip);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -517,10 +516,10 @@ static int lpddr_read(struct mtd_info *mtd, loff_t adr, size_t len,
 	struct flchip *chip = &lpddr->chips[chipnum];
 	int ret = 0;
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, FL_READY);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -528,7 +527,7 @@ static int lpddr_read(struct mtd_info *mtd, loff_t adr, size_t len,
 	*retlen = len;
 
 	put_chip(map, chip);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -568,9 +567,9 @@ static int lpddr_point(struct mtd_info *mtd, loff_t adr, size_t len,
 		else
 			thislen = len;
 		/* get the chip */
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 		ret = get_chip(map, chip, FL_POINT);
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		if (ret)
 			break;
 
@@ -610,7 +609,7 @@ static void lpddr_unpoint (struct mtd_info *mtd, loff_t adr, size_t len)
 		else
 			thislen = len;
 
-		spin_lock(chip->mutex);
+		mutex_lock(&chip->mutex);
 		if (chip->state == FL_POINT) {
 			chip->ref_point_counter--;
 			if (chip->ref_point_counter == 0)
@@ -620,7 +619,7 @@ static void lpddr_unpoint (struct mtd_info *mtd, loff_t adr, size_t len)
 					"pointed region\n", map->name);
 
 		put_chip(map, chip);
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 
 		len -= thislen;
 		ofs = 0;
@@ -726,10 +725,10 @@ int do_xxlock(struct mtd_info *mtd, loff_t adr, uint32_t len, int thunk)
 	int chipnum = adr >> lpddr->chipshift;
 	struct flchip *chip = &lpddr->chips[chipnum];
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, FL_LOCKING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -749,7 +748,7 @@ int do_xxlock(struct mtd_info *mtd, loff_t adr, uint32_t len, int thunk)
 		goto out;
 	}
 out:	put_chip(map, chip);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
@@ -770,10 +769,10 @@ int word_program(struct map_info *map, loff_t adr, uint32_t curval)
 	int chipnum = adr >> lpddr->chipshift;
 	struct flchip *chip = &lpddr->chips[chipnum];
 
-	spin_lock(chip->mutex);
+	mutex_lock(&chip->mutex);
 	ret = get_chip(map, chip, FL_WRITING);
 	if (ret) {
-		spin_unlock(chip->mutex);
+		mutex_unlock(&chip->mutex);
 		return ret;
 	}
 
@@ -787,7 +786,7 @@ int word_program(struct map_info *map, loff_t adr, uint32_t curval)
 	}
 
 out:	put_chip(map, chip);
-	spin_unlock(chip->mutex);
+	mutex_unlock(&chip->mutex);
 	return ret;
 }
 
diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h
index d0bf422ae37..f43e9b49b75 100644
--- a/include/linux/mtd/flashchip.h
+++ b/include/linux/mtd/flashchip.h
@@ -15,6 +15,7 @@
  * has asm/spinlock.h, or 2.4, which has linux/spinlock.h
  */
 #include <linux/sched.h>
+#include <linux/mutex.h>
 
 typedef enum {
 	FL_READY,
@@ -74,8 +75,7 @@ struct flchip {
 	unsigned int erase_suspended:1;
 	unsigned long in_progress_block_addr;
 
-	spinlock_t *mutex;
-	spinlock_t _spinlock; /* We do it like this because sometimes they'll be shared. */
+	struct mutex mutex;
 	wait_queue_head_t wq; /* Wait on here when we're waiting for the chip
 			     to be ready */
 	int word_write_time;

From 258006d1abcf3f2990d3ebd77d75af335ff24d81 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Fri, 2 Apr 2010 14:47:38 +0200
Subject: [PATCH 0777/3638] mtd: maps: Eliminate use after free

Moved the debugging message before the call to map_destroy, which frees its
argument.  The message is also slightly changed to reflect its new
position.

A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E,E2;
@@

del_mtd_device(E)
...
(
  E = E2
|
* E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/pcmciamtd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index 689d6a79ffc..81159d708f8 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -692,8 +692,8 @@ static void pcmciamtd_detach(struct pcmcia_device *link)
 
 	if(dev->mtd_info) {
 		del_mtd_device(dev->mtd_info);
+		info("mtd%d: Removing", dev->mtd_info->index);
 		map_destroy(dev->mtd_info);
-		info("mtd%d: Removed", dev->mtd_info->index);
 	}
 
 	pcmciamtd_release(link);

From 1dd2a092af8ed53eb744c5b9993fa775616cf699 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Thu, 8 Apr 2010 19:49:18 +0800
Subject: [PATCH 0778/3638] mtd/nand/bcm_umi: remove unused #include
 <linux/version.h>

Remove unused #include <linux/version.h>('s) in
  drivers/mtd/nand/bcm_umi_nand.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Acked-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/bcm_umi_nand.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index 7eb8674c9cf..a97e6f167c0 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -13,7 +13,6 @@
 *****************************************************************************/
 
 /* ---- Include Files ---------------------------------------------------- */
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/init.h>

From bff3c10d369440bc87ba612b45ba2777d2bf017f Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Fri, 23 Apr 2010 23:25:44 +0200
Subject: [PATCH 0779/3638] mtd: pxa32xx_nand: add support for partition table
 parsing

The pxa32xx_nand driver doesn't support partition tables from the
command line. This patch adds support for it.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 1a5a0365c98..55a3d2c05f2 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1319,6 +1319,17 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
 		goto fail_free_irq;
 	}
 
+	if (mtd_has_cmdlinepart()) {
+		static const char *probes[] = { "cmdlinepart", NULL };
+		struct mtd_partition *parts;
+		int nr_parts;
+
+		nr_parts = parse_mtd_partitions(mtd, probes, &parts, 0);
+
+		if (nr_parts)
+			return add_mtd_partitions(mtd, parts, nr_parts);
+	}
+
 	return add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts);
 
 fail_free_irq:

From eafe1311aa3cdb13efa25c60251bce12e60ae38a Mon Sep 17 00:00:00 2001
From: Kevin Cernekee <cernekee@gmail.com>
Date: Thu, 29 Apr 2010 10:26:56 -0700
Subject: [PATCH 0780/3638] mtd: cfi_cmdset_0002: Add reboot notifier for AMD
 flashes

Ensure that the flash device is in a quiescent state before rebooting.
The implementation is closely modeled after the cfi_cmdset_0001 reboot
notifier, commit 963a6fb0a0d336d0513083b7e4b5c3ff9d6d2061 .

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 56 +++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index c93e47d21ce..c16b8cecc3a 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -32,6 +32,7 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/reboot.h>
 #include <linux/mtd/compatmac.h>
 #include <linux/mtd/map.h>
 #include <linux/mtd/mtd.h>
@@ -56,6 +57,7 @@ static int cfi_amdstd_erase_varsize(struct mtd_info *, struct erase_info *);
 static void cfi_amdstd_sync (struct mtd_info *);
 static int cfi_amdstd_suspend (struct mtd_info *);
 static void cfi_amdstd_resume (struct mtd_info *);
+static int cfi_amdstd_reboot(struct notifier_block *, unsigned long, void *);
 static int cfi_amdstd_secsi_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
 
 static void cfi_amdstd_destroy(struct mtd_info *);
@@ -351,6 +353,8 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 	mtd->name    = map->name;
 	mtd->writesize = 1;
 
+	mtd->reboot_notifier.notifier_call = cfi_amdstd_reboot;
+
 	if (cfi->cfi_mode==CFI_MODE_CFI){
 		unsigned char bootloc;
 		/*
@@ -487,6 +491,7 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
 #endif
 
 	__module_get(THIS_MODULE);
+	register_reboot_notifier(&mtd->reboot_notifier);
 	return mtd;
 
  setup_err:
@@ -628,6 +633,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 		chip->state = FL_READY;
 		return 0;
 
+	case FL_SHUTDOWN:
+		/* The machine is rebooting */
+		return -EIO;
+
 	case FL_POINT:
 		/* Only if there's no operation suspended... */
 		if (mode == FL_READY && chip->oldstate == FL_READY)
@@ -1918,11 +1927,58 @@ static void cfi_amdstd_resume(struct mtd_info *mtd)
 	}
 }
 
+
+/*
+ * Ensure that the flash device is put back into read array mode before
+ * unloading the driver or rebooting.  On some systems, rebooting while
+ * the flash is in query/program/erase mode will prevent the CPU from
+ * fetching the bootloader code, requiring a hard reset or power cycle.
+ */
+static int cfi_amdstd_reset(struct mtd_info *mtd)
+{
+	struct map_info *map = mtd->priv;
+	struct cfi_private *cfi = map->fldrv_priv;
+	int i, ret;
+	struct flchip *chip;
+
+	for (i = 0; i < cfi->numchips; i++) {
+
+		chip = &cfi->chips[i];
+
+		mutex_lock(&chip->mutex);
+
+		ret = get_chip(map, chip, chip->start, FL_SHUTDOWN);
+		if (!ret) {
+			map_write(map, CMD(0xF0), chip->start);
+			chip->state = FL_SHUTDOWN;
+			put_chip(map, chip, chip->start);
+		}
+
+		mutex_unlock(&chip->mutex);
+	}
+
+	return 0;
+}
+
+
+static int cfi_amdstd_reboot(struct notifier_block *nb, unsigned long val,
+			       void *v)
+{
+	struct mtd_info *mtd;
+
+	mtd = container_of(nb, struct mtd_info, reboot_notifier);
+	cfi_amdstd_reset(mtd);
+	return NOTIFY_DONE;
+}
+
+
 static void cfi_amdstd_destroy(struct mtd_info *mtd)
 {
 	struct map_info *map = mtd->priv;
 	struct cfi_private *cfi = map->fldrv_priv;
 
+	cfi_amdstd_reset(mtd);
+	unregister_reboot_notifier(&mtd->reboot_notifier);
 	kfree(cfi->cmdset_priv);
 	kfree(cfi->cfiq);
 	kfree(cfi);

From 29da3380de40e8aa908eb70fa09a54c288b0b3f4 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Thu, 29 Apr 2010 17:52:57 -0500
Subject: [PATCH 0781/3638] mtd: sst25l: remove unnecessary MTD_DEBUG_LEVEL2
 messages

All the SST25L series flash parts have uniform erase sectors.  Remove
the extra MTD_DEBUG_LEVEL2 messages showing the eraseregions info
since they could never be shown.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/sst25l.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index 0a11721f146..175c5233f29 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -410,17 +410,6 @@ static int __init sst25l_probe(struct spi_device *spi)
 	      flash->mtd.erasesize, flash->mtd.erasesize / 1024,
 	      flash->mtd.numeraseregions);
 
-	if (flash->mtd.numeraseregions)
-		for (i = 0; i < flash->mtd.numeraseregions; i++)
-			DEBUG(MTD_DEBUG_LEVEL2,
-			      "mtd.eraseregions[%d] = { .offset = 0x%llx, "
-			      ".erasesize = 0x%.8x (%uKiB), "
-			      ".numblocks = %d }\n",
-			      i, (long long)flash->mtd.eraseregions[i].offset,
-			      flash->mtd.eraseregions[i].erasesize,
-			      flash->mtd.eraseregions[i].erasesize / 1024,
-			      flash->mtd.eraseregions[i].numblocks);
-
 	if (mtd_has_partitions()) {
 		struct mtd_partition *parts = NULL;
 		int nr_parts = 0;

From 6f1f3d0ab5c3eeea9f04486481c25e9afdfa26c5 Mon Sep 17 00:00:00 2001
From: Steve Deiters <SteveDeiters@BASLER.com>
Date: Wed, 5 May 2010 13:48:38 -0500
Subject: [PATCH 0782/3638] mtd: mpc5121_nfc: Changed SVR check to allow
 MPC5123.

The revision in SVR for MPC5123 is 3.  The NFC is the same as MPC5121
revision 2.

Signed-off-by: Steve Deiters <SteveDeiters@basler.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/mpc5121_nfc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
index d7333f4dae8..f713b15fa45 100644
--- a/drivers/mtd/nand/mpc5121_nfc.c
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -666,10 +666,10 @@ static int __devinit mpc5121_nfc_probe(struct of_device *op,
 
 	/*
 	 * Check SoC revision. This driver supports only NFC
-	 * in MPC5121 revision 2.
+	 * in MPC5121 revision 2 and MPC5123 revision 3.
 	 */
 	rev = (mfspr(SPRN_SVR) >> 4) & 0xF;
-	if (rev != 2) {
+	if ((rev != 2) && (rev != 3)) {
 		dev_err(dev, "SoC revision %u is not supported!\n", rev);
 		return -ENXIO;
 	}

From e4b963f10e9026c83419b5c25b93a0350413cf16 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Wed, 2 Sep 2009 17:17:36 -0700
Subject: [PATCH 0783/3638] ocfs2: Wrap signal blocking in void functions.

ocfs2 sometimes needs to block signals around dlm operations, but it
currently does it with sigprocmask().  Even worse, it's checking the
error code of sigprocmask().  The in-kernel sigprocmask() can only error
if you get the SIG_* argument wrong.  We don't.

Wrap the sigprocmask() calls with ocfs2_[un]block_signals().  These
functions are void, but they will BUG() if somehow sigprocmask() returns
an error.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/inode.c | 14 +++-----------
 fs/ocfs2/mmap.c  | 48 +++++++++---------------------------------------
 fs/ocfs2/super.c | 20 ++++++++++++++++++++
 fs/ocfs2/super.h |  7 +++++++
 4 files changed, 39 insertions(+), 50 deletions(-)

diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 9ee13f70da5..b7650ccd76d 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -957,7 +957,7 @@ static void ocfs2_cleanup_delete_inode(struct inode *inode,
 void ocfs2_delete_inode(struct inode *inode)
 {
 	int wipe, status;
-	sigset_t blocked, oldset;
+	sigset_t oldset;
 	struct buffer_head *di_bh = NULL;
 
 	mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino);
@@ -984,13 +984,7 @@ void ocfs2_delete_inode(struct inode *inode)
 	 * messaging paths may return us -ERESTARTSYS. Which would
 	 * cause us to exit early, resulting in inodes being orphaned
 	 * forever. */
-	sigfillset(&blocked);
-	status = sigprocmask(SIG_BLOCK, &blocked, &oldset);
-	if (status < 0) {
-		mlog_errno(status);
-		ocfs2_cleanup_delete_inode(inode, 1);
-		goto bail;
-	}
+	ocfs2_block_signals(&oldset);
 
 	/*
 	 * Synchronize us against ocfs2_get_dentry. We take this in
@@ -1064,9 +1058,7 @@ bail_unlock_nfs_sync:
 	ocfs2_nfs_sync_unlock(OCFS2_SB(inode->i_sb), 0);
 
 bail_unblock:
-	status = sigprocmask(SIG_SETMASK, &oldset, NULL);
-	if (status < 0)
-		mlog_errno(status);
+	ocfs2_unblock_signals(&oldset);
 bail:
 	clear_inode(inode);
 	mlog_exit_void();
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 39737613424..a61809f8eab 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -42,44 +42,20 @@
 #include "file.h"
 #include "inode.h"
 #include "mmap.h"
+#include "super.h"
 
-static inline int ocfs2_vm_op_block_sigs(sigset_t *blocked, sigset_t *oldset)
-{
-	/* The best way to deal with signals in the vm path is
-	 * to block them upfront, rather than allowing the
-	 * locking paths to return -ERESTARTSYS. */
-	sigfillset(blocked);
-
-	/* We should technically never get a bad return value
-	 * from sigprocmask */
-	return sigprocmask(SIG_BLOCK, blocked, oldset);
-}
-
-static inline int ocfs2_vm_op_unblock_sigs(sigset_t *oldset)
-{
-	return sigprocmask(SIG_SETMASK, oldset, NULL);
-}
 
 static int ocfs2_fault(struct vm_area_struct *area, struct vm_fault *vmf)
 {
-	sigset_t blocked, oldset;
-	int error, ret;
+	sigset_t oldset;
+	int ret;
 
 	mlog_entry("(area=%p, page offset=%lu)\n", area, vmf->pgoff);
 
-	error = ocfs2_vm_op_block_sigs(&blocked, &oldset);
-	if (error < 0) {
-		mlog_errno(error);
-		ret = VM_FAULT_SIGBUS;
-		goto out;
-	}
-
+	ocfs2_block_signals(&oldset);
 	ret = filemap_fault(area, vmf);
+	ocfs2_unblock_signals(&oldset);
 
-	error = ocfs2_vm_op_unblock_sigs(&oldset);
-	if (error < 0)
-		mlog_errno(error);
-out:
 	mlog_exit_ptr(vmf->page);
 	return ret;
 }
@@ -159,14 +135,10 @@ static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	struct page *page = vmf->page;
 	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
 	struct buffer_head *di_bh = NULL;
-	sigset_t blocked, oldset;
-	int ret, ret2;
+	sigset_t oldset;
+	int ret;
 
-	ret = ocfs2_vm_op_block_sigs(&blocked, &oldset);
-	if (ret < 0) {
-		mlog_errno(ret);
-		return ret;
-	}
+	ocfs2_block_signals(&oldset);
 
 	/*
 	 * The cluster locks taken will block a truncate from another
@@ -194,9 +166,7 @@ static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	ocfs2_inode_unlock(inode, 1);
 
 out:
-	ret2 = ocfs2_vm_op_unblock_sigs(&oldset);
-	if (ret2 < 0)
-		mlog_errno(ret2);
+	ocfs2_unblock_signals(&oldset);
 	if (ret)
 		ret = VM_FAULT_SIGBUS;
 	return ret;
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 12c2203a62f..cf6d87b5745 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2560,5 +2560,25 @@ void __ocfs2_abort(struct super_block* sb,
 	ocfs2_handle_error(sb);
 }
 
+/*
+ * Void signal blockers, because in-kernel sigprocmask() only fails
+ * when SIG_* is wrong.
+ */
+void ocfs2_block_signals(sigset_t *oldset)
+{
+	int rc;
+	sigset_t blocked;
+
+	sigfillset(&blocked);
+	rc = sigprocmask(SIG_BLOCK, &blocked, oldset);
+	BUG_ON(rc);
+}
+
+void ocfs2_unblock_signals(sigset_t *oldset)
+{
+	int rc = sigprocmask(SIG_SETMASK, oldset, NULL);
+	BUG_ON(rc);
+}
+
 module_init(ocfs2_init);
 module_exit(ocfs2_exit);
diff --git a/fs/ocfs2/super.h b/fs/ocfs2/super.h
index 783f5270f2a..40c7de084c1 100644
--- a/fs/ocfs2/super.h
+++ b/fs/ocfs2/super.h
@@ -45,4 +45,11 @@ void __ocfs2_abort(struct super_block *sb,
 
 #define ocfs2_abort(sb, fmt, args...) __ocfs2_abort(sb, __PRETTY_FUNCTION__, fmt, ##args)
 
+/*
+ * Void signal blockers, because in-kernel sigprocmask() only fails
+ * when SIG_* is wrong.
+ */
+void ocfs2_block_signals(sigset_t *oldset);
+void ocfs2_unblock_signals(sigset_t *oldset);
+
 #endif /* OCFS2_SUPER_H */

From 547ba7c8efe43c2cabb38782e23572a6179dd1c1 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Mon, 10 May 2010 11:56:52 -0700
Subject: [PATCH 0784/3638] ocfs2: Block signals for
 mkdir/link/symlink/O_CREAT.

Once file or link creation gets going, it can't be interrupted by a
signal.  They're not idempotent.

This blocks signals in ocfs2_mknod(), ocfs2_link(), and ocfs2_symlink()
once we start actually changing things.  ocfs2_mknod() covers mknod(),
creat(), mkdir(), and open(O_CREAT).

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/namei.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 21d4a33d0f0..607084b349d 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -239,6 +239,8 @@ static int ocfs2_mknod(struct inode *dir,
 	};
 	int did_quota_inode = 0;
 	struct ocfs2_dir_lookup_result lookup = { NULL, };
+	sigset_t oldset;
+	int did_block_signals = 0;
 
 	mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
 		   (unsigned long)dev, dentry->d_name.len,
@@ -350,6 +352,10 @@ static int ocfs2_mknod(struct inode *dir,
 		goto leave;
 	}
 
+	/* Starting to change things, restart is no longer possible. */
+	ocfs2_block_signals(&oldset);
+	did_block_signals = 1;
+
 	status = dquot_alloc_inode(inode);
 	if (status)
 		goto leave;
@@ -430,6 +436,8 @@ leave:
 		ocfs2_commit_trans(osb, handle);
 
 	ocfs2_inode_unlock(dir, 1);
+	if (did_block_signals)
+		ocfs2_unblock_signals(&oldset);
 
 	if (status == -ENOSPC)
 		mlog(0, "Disk is full\n");
@@ -618,6 +626,7 @@ static int ocfs2_link(struct dentry *old_dentry,
 	struct ocfs2_dinode *fe = NULL;
 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
 	struct ocfs2_dir_lookup_result lookup = { NULL, };
+	sigset_t oldset;
 
 	mlog_entry("(inode=%lu, old='%.*s' new='%.*s')\n", inode->i_ino,
 		   old_dentry->d_name.len, old_dentry->d_name.name,
@@ -674,6 +683,9 @@ static int ocfs2_link(struct dentry *old_dentry,
 		goto out_unlock_inode;
 	}
 
+	/* Starting to change things, restart is no longer possible. */
+	ocfs2_block_signals(&oldset);
+
 	err = ocfs2_journal_access_di(handle, INODE_CACHE(inode), fe_bh,
 				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (err < 0) {
@@ -710,6 +722,7 @@ static int ocfs2_link(struct dentry *old_dentry,
 
 out_commit:
 	ocfs2_commit_trans(osb, handle);
+	ocfs2_unblock_signals(&oldset);
 out_unlock_inode:
 	ocfs2_inode_unlock(inode, 1);
 
@@ -1568,6 +1581,8 @@ static int ocfs2_symlink(struct inode *dir,
 	};
 	int did_quota = 0, did_quota_inode = 0;
 	struct ocfs2_dir_lookup_result lookup = { NULL, };
+	sigset_t oldset;
+	int did_block_signals = 0;
 
 	mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir,
 		   dentry, symname, dentry->d_name.len, dentry->d_name.name);
@@ -1663,6 +1678,10 @@ static int ocfs2_symlink(struct inode *dir,
 		goto bail;
 	}
 
+	/* Starting to change things, restart is no longer possible. */
+	ocfs2_block_signals(&oldset);
+	did_block_signals = 1;
+
 	status = dquot_alloc_inode(inode);
 	if (status)
 		goto bail;
@@ -1766,6 +1785,8 @@ bail:
 		ocfs2_commit_trans(osb, handle);
 
 	ocfs2_inode_unlock(dir, 1);
+	if (did_block_signals)
+		ocfs2_unblock_signals(&oldset);
 
 	brelse(new_fe_bh);
 	brelse(parent_fe_bh);

From b1083333de5357577c5ec55df6c7efa17bee41c7 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Fri, 23 Apr 2010 16:07:40 -0400
Subject: [PATCH 0785/3638] drm/i915: Fix DDC bus selection for multifunction
 SDVO

Multifunction SDVO cards stopped working after 14571b4, and would report
something that looked remarkably like an ADD2 SPD ROM instead of EDID.
This appears to be because DDC bus selection was utterly horked by that
commit; controlled_output was no longer always a single bit, so
intel_sdvo_select_ddc_bus would pick bus 0, which is (unsurprisingly)
the SPD ROM bus, not a DDC bus.

So, instead of that, let's just use the DDC bus the child device table
tells us to use.  I'm guessing at the bitmask and shifting from VBIOS
dumps, but it can't possibly be worse.

cf. https://bugzilla.redhat.com/584229

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_drv.h   |  1 +
 drivers/gpu/drm/i915/intel_bios.c |  1 +
 drivers/gpu/drm/i915/intel_sdvo.c | 41 +++++++------------------------
 3 files changed, 11 insertions(+), 32 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index bf11ad9998d..001e2f32be3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -135,6 +135,7 @@ struct sdvo_device_mapping {
 	u8 slave_addr;
 	u8 dvo_wiring;
 	u8 initialized;
+	u8 ddc_pin;
 };
 
 struct drm_i915_error_state {
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index f9ba452f0cb..4c748d8f73d 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -366,6 +366,7 @@ parse_sdvo_device_mapping(struct drm_i915_private *dev_priv,
 			p_mapping->dvo_port = p_child->dvo_port;
 			p_mapping->slave_addr = p_child->slave_addr;
 			p_mapping->dvo_wiring = p_child->dvo_wiring;
+			p_mapping->ddc_pin = p_child->ddc_pin;
 			p_mapping->initialized = 1;
 		} else {
 			DRM_DEBUG_KMS("Maybe one SDVO port is shared by "
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 42ceb15da68..5192723637b 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2054,40 +2054,17 @@ static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
  * outputs, then LVDS outputs.
  */
 static void
-intel_sdvo_select_ddc_bus(struct intel_sdvo_priv *dev_priv)
+intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
+			  struct intel_sdvo_priv *sdvo, u32 reg)
 {
-	uint16_t mask = 0;
-	unsigned int num_bits;
+	struct sdvo_device_mapping *mapping;
 
-	/* Make a mask of outputs less than or equal to our own priority in the
-	 * list.
-	 */
-	switch (dev_priv->controlled_output) {
-	case SDVO_OUTPUT_LVDS1:
-		mask |= SDVO_OUTPUT_LVDS1;
-	case SDVO_OUTPUT_LVDS0:
-		mask |= SDVO_OUTPUT_LVDS0;
-	case SDVO_OUTPUT_TMDS1:
-		mask |= SDVO_OUTPUT_TMDS1;
-	case SDVO_OUTPUT_TMDS0:
-		mask |= SDVO_OUTPUT_TMDS0;
-	case SDVO_OUTPUT_RGB1:
-		mask |= SDVO_OUTPUT_RGB1;
-	case SDVO_OUTPUT_RGB0:
-		mask |= SDVO_OUTPUT_RGB0;
-		break;
-	}
+	if (IS_SDVOB(reg))
+		mapping = &(dev_priv->sdvo_mappings[0]);
+	else
+		mapping = &(dev_priv->sdvo_mappings[1]);
 
-	/* Count bits to find what number we are in the priority list. */
-	mask &= dev_priv->caps.output_flags;
-	num_bits = hweight16(mask);
-	if (num_bits > 3) {
-		/* if more than 3 outputs, default to DDC bus 3 for now */
-		num_bits = 3;
-	}
-
-	/* Corresponds to SDVO_CONTROL_BUS_DDCx */
-	dev_priv->ddc_bus = 1 << num_bits;
+	sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
 }
 
 static bool
@@ -2864,7 +2841,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 		goto err_i2c;
 	}
 
-	intel_sdvo_select_ddc_bus(sdvo_priv);
+	intel_sdvo_select_ddc_bus(dev_priv, sdvo_priv, sdvo_reg);
 
 	/* Set the input timing to the screen. Assume always input 0. */
 	intel_sdvo_set_target_input(intel_encoder, true, false);

From 149c36a346f63fa4be7d1432d7b1b3095a95bf47 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Thu, 29 Apr 2010 14:05:18 -0400
Subject: [PATCH 0786/3638] drm/i915: Be extra careful about A/D matching for
 multifunction SDVO

If we're both RGB and TMDS capable, we'll have set up one connector for
each.  When determining connectivity, require analog/digital state in
the EDID block to match analog/digital support in the connector.
Otherwise, both DVI and VGA will appear to be connected.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/intel_sdvo.c | 45 +++++++++++++++----------------
 1 file changed, 21 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 5192723637b..5ad5a098b5b 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1504,16 +1504,17 @@ intel_analog_is_connected(struct drm_device *dev)
 }
 
 enum drm_connector_status
-intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
+intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
 	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
 	struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct intel_sdvo_connector *sdvo_connector = intel_connector->dev_priv;
 	enum drm_connector_status status = connector_status_connected;
 	struct edid *edid = NULL;
 
-	edid = drm_get_edid(connector,
-			    intel_encoder->ddc_bus);
+	edid = drm_get_edid(connector, intel_encoder->ddc_bus);
 
 	/* This is only applied to SDVO cards with multiple outputs */
 	if (edid == NULL && intel_sdvo_multifunc_encoder(intel_encoder)) {
@@ -1526,8 +1527,7 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
 		 */
 		while(temp_ddc > 1) {
 			sdvo_priv->ddc_bus = temp_ddc;
-			edid = drm_get_edid(connector,
-				intel_encoder->ddc_bus);
+			edid = drm_get_edid(connector, intel_encoder->ddc_bus);
 			if (edid) {
 				/*
 				 * When we can get the EDID, maybe it is the
@@ -1544,28 +1544,25 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
 	/* when there is no edid and no monitor is connected with VGA
 	 * port, try to use the CRT ddc to read the EDID for DVI-connector
 	 */
-	if (edid == NULL &&
-	    sdvo_priv->analog_ddc_bus &&
+	if (edid == NULL && sdvo_priv->analog_ddc_bus &&
 	    !intel_analog_is_connected(connector->dev))
-		edid = drm_get_edid(connector,
-				    sdvo_priv->analog_ddc_bus);
+		edid = drm_get_edid(connector, sdvo_priv->analog_ddc_bus);
+
 	if (edid != NULL) {
-		/* Don't report the output as connected if it's a DVI-I
-		 * connector with a non-digital EDID coming out.
-		 */
-		if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
-			if (edid->input & DRM_EDID_INPUT_DIGITAL)
-				sdvo_priv->is_hdmi =
-					drm_detect_hdmi_monitor(edid);
-			else
-				status = connector_status_disconnected;
-		}
+		bool is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+		bool need_digital = !!(sdvo_connector->output_flag & SDVO_TMDS_MASK);
+
+		/* DDC bus is shared, match EDID to connector type */
+		if (is_digital && need_digital)
+			sdvo_priv->is_hdmi = drm_detect_hdmi_monitor(edid);
+		else if (is_digital != need_digital)
+			status = connector_status_disconnected;
 
-		kfree(edid);
 		connector->display_info.raw_edid = NULL;
-
-	} else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
+	} else
 		status = connector_status_disconnected;
+	
+	kfree(edid);
 
 	return status;
 }
@@ -1601,8 +1598,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
 
 	if ((sdvo_connector->output_flag & response) == 0)
 		ret = connector_status_disconnected;
-	else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
-		ret = intel_sdvo_hdmi_sink_detect(connector, response);
+	else if (response & SDVO_TMDS_MASK)
+		ret = intel_sdvo_hdmi_sink_detect(connector);
 	else
 		ret = connector_status_connected;
 

From 31770bd49ab157c5639043ad7541c3e0c83afcc4 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 23 Apr 2010 23:01:01 +0200
Subject: [PATCH 0787/3638] drm/i915: don't allow tiling changes on pinned
 buffers v2

Makes no sense and complicates matters for pipelined tiling changes.
So don't allow it and return -EBUSY.

v2: Fix reference leak. Thanks to Owain Ainsworth for spotting this.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_gem_tiling.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 4bdccefcf2c..4b7c49d4257 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -283,6 +283,11 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
+	if (obj_priv->pin_count) {
+		drm_gem_object_unreference_unlocked(obj);
+		return -EBUSY;
+	}
+
 	if (args->tiling_mode == I915_TILING_NONE) {
 		args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
 		args->stride = 0;

From 007cc8ac4e0787fc7ad2e4585614800671d48d4e Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 28 Apr 2010 11:02:31 +0200
Subject: [PATCH 0788/3638] drm/i915: move fence lru to struct
 drm_i915_fence_reg

This lru tracks fences, not objects, so move it to where it belongs.
As a side effect, this nicely shrinks drm_i915_gem_object by two
pointers.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/i915_drv.h |  4 +---
 drivers/gpu/drm/i915/i915_gem.c | 33 +++++++++++++++++++++------------
 2 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 001e2f32be3..7f797ef1ab3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -128,6 +128,7 @@ struct drm_i915_master_private {
 
 struct drm_i915_fence_reg {
 	struct drm_gem_object *obj;
+	struct list_head lru_list;
 };
 
 struct sdvo_device_mapping {
@@ -665,9 +666,6 @@ struct drm_i915_gem_object {
 	/** This object's place on GPU write list */
 	struct list_head gpu_write_list;
 
-	/** This object's place on the fenced object LRU */
-	struct list_head fence_list;
-
 	/**
 	 * This is set if the object is on the active or flushing lists
 	 * (has pending rendering), and is not set if it's on inactive (ready
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 666d7557050..112699f71fa 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1051,7 +1051,9 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 		 * about to occur.
 		 */
 		if (obj_priv->fence_reg != I915_FENCE_REG_NONE) {
-			list_move_tail(&obj_priv->fence_list,
+			struct drm_i915_fence_reg *reg =
+				&dev_priv->fence_regs[obj_priv->fence_reg];
+			list_move_tail(&reg->lru_list,
 				       &dev_priv->mm.fence_list);
 		}
 
@@ -1577,9 +1579,12 @@ i915_gem_process_flushing_list(struct drm_device *dev,
 			i915_gem_object_move_to_active(obj, seqno);
 
 			/* update the fence lru list */
-			if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
-				list_move_tail(&obj_priv->fence_list,
+			if (obj_priv->fence_reg != I915_FENCE_REG_NONE) {
+				struct drm_i915_fence_reg *reg =
+					&dev_priv->fence_regs[obj_priv->fence_reg];
+				list_move_tail(&reg->lru_list,
 						&dev_priv->mm.fence_list);
+			}
 
 			trace_i915_gem_object_change_domain(obj,
 							    obj->read_domains,
@@ -2485,9 +2490,10 @@ static int i915_find_fence_reg(struct drm_device *dev)
 
 	/* None available, try to steal one or wait for a user to finish */
 	i = I915_FENCE_REG_NONE;
-	list_for_each_entry(obj_priv, &dev_priv->mm.fence_list,
-			    fence_list) {
-		obj = &obj_priv->base;
+	list_for_each_entry(reg, &dev_priv->mm.fence_list,
+			    lru_list) {
+		obj = reg->obj;
+		obj_priv = to_intel_bo(obj);
 
 		if (obj_priv->pin_count)
 			continue;
@@ -2536,7 +2542,8 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
 
 	/* Just update our place in the LRU if our fence is getting used. */
 	if (obj_priv->fence_reg != I915_FENCE_REG_NONE) {
-		list_move_tail(&obj_priv->fence_list, &dev_priv->mm.fence_list);
+		reg = &dev_priv->fence_regs[obj_priv->fence_reg];
+		list_move_tail(&reg->lru_list, &dev_priv->mm.fence_list);
 		return 0;
 	}
 
@@ -2566,7 +2573,7 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
 
 	obj_priv->fence_reg = ret;
 	reg = &dev_priv->fence_regs[obj_priv->fence_reg];
-	list_add_tail(&obj_priv->fence_list, &dev_priv->mm.fence_list);
+	list_add_tail(&reg->lru_list, &dev_priv->mm.fence_list);
 
 	reg->obj = obj;
 
@@ -2598,6 +2605,8 @@ i915_gem_clear_fence_reg(struct drm_gem_object *obj)
 	struct drm_device *dev = obj->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+	struct drm_i915_fence_reg *reg =
+		&dev_priv->fence_regs[obj_priv->fence_reg];
 
 	if (IS_GEN6(dev)) {
 		I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 +
@@ -2616,9 +2625,9 @@ i915_gem_clear_fence_reg(struct drm_gem_object *obj)
 		I915_WRITE(fence_reg, 0);
 	}
 
-	dev_priv->fence_regs[obj_priv->fence_reg].obj = NULL;
+	reg->obj = NULL;
 	obj_priv->fence_reg = I915_FENCE_REG_NONE;
-	list_del_init(&obj_priv->fence_list);
+	list_del_init(&reg->lru_list);
 }
 
 /**
@@ -4489,12 +4498,10 @@ struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
 	obj->base.read_domains = I915_GEM_DOMAIN_CPU;
 
 	obj->agp_type = AGP_USER_MEMORY;
-
 	obj->base.driver_private = NULL;
 	obj->fence_reg = I915_FENCE_REG_NONE;
 	INIT_LIST_HEAD(&obj->list);
 	INIT_LIST_HEAD(&obj->gpu_write_list);
-	INIT_LIST_HEAD(&obj->fence_list);
 	obj->madv = I915_MADV_WILLNEED;
 
 	trace_i915_gem_object_create(&obj->base);
@@ -4965,6 +4972,8 @@ i915_gem_load(struct drm_device *dev)
 	INIT_LIST_HEAD(&dev_priv->mm.inactive_list);
 	INIT_LIST_HEAD(&dev_priv->mm.request_list);
 	INIT_LIST_HEAD(&dev_priv->mm.fence_list);
+	for (i = 0; i < 16; i++)
+		INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
 	INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
 			  i915_gem_retire_work_handler);
 	dev_priv->mm.next_gem_seqno = 1;

From a7c542782e92f9487c62a571565637be3d6b0ffd Mon Sep 17 00:00:00 2001
From: Peter Clifton <pcjc2@cam.ac.uk>
Date: Mon, 3 May 2010 13:24:41 +0100
Subject: [PATCH 0789/3638] drm/i915: Fix out of tree builds

Fixes up include paths for i915_trace.h by setting additional CFLAGS
for i915_trace_points.c to include the $src directory. The required
TRACE_INCLUDE_PATH is then "."

Signed-off-by: Peter Clifton <pcjc2@cam.ac.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/i915/Makefile     | 2 ++
 drivers/gpu/drm/i915/i915_trace.h | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 9929f84ec3e..95639017bdb 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -33,3 +33,5 @@ i915-$(CONFIG_ACPI)	+= i915_opregion.o
 i915-$(CONFIG_COMPAT)   += i915_ioc32.o
 
 obj-$(CONFIG_DRM_I915)  += i915.o
+
+CFLAGS_i915_trace_points.o := -I$(src)
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 303815321c7..9e4c45f68d6 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -276,5 +276,5 @@ DEFINE_EVENT(i915_ring, i915_ring_wait_end,
 
 /* This part must be outside protection */
 #undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH ../../drivers/gpu/drm/i915
+#define TRACE_INCLUDE_PATH .
 #include <trace/define_trace.h>

From b227358d333426abe47211b5be1fb69c0f74955f Mon Sep 17 00:00:00 2001
From: Vaibhav Hiremath <hvaibhav@ti.com>
Date: Mon, 10 May 2010 14:29:14 -0700
Subject: [PATCH 0790/3638] OMAP2/3: Add V4L2 DSS driver support in device.c

Add V4L2 DSS driver support in device.c

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/devices.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 2271b9bd1f5..10f3a3c58cc 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -786,6 +786,33 @@ static inline void omap_hdq_init(void)
 static inline void omap_hdq_init(void) {}
 #endif
 
+/*---------------------------------------------------------------------------*/
+
+#if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
+	defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
+};
+#else
+static struct resource omap_vout_resource[2] = {
+};
+#endif
+
+static struct platform_device omap_vout_device = {
+	.name		= "omap_vout",
+	.num_resources	= ARRAY_SIZE(omap_vout_resource),
+	.resource 	= &omap_vout_resource[0],
+	.id		= -1,
+};
+static void omap_init_vout(void)
+{
+	if (platform_device_register(&omap_vout_device) < 0)
+		printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
+}
+#else
+static inline void omap_init_vout(void) {}
+#endif
+
 /*-------------------------------------------------------------------------*/
 
 static int __init omap2_init_devices(void)
@@ -800,6 +827,7 @@ static int __init omap2_init_devices(void)
 	omap_hdq_init();
 	omap_init_sti();
 	omap_init_sha1_md5();
+	omap_init_vout();
 
 	return 0;
 }

From c26d0bad3d0e951487e5dee36632dd3817f42b10 Mon Sep 17 00:00:00 2001
From: Steven Liu <lingjiujianke@gmail.com>
Date: Tue, 11 May 2010 00:00:00 -0400
Subject: [PATCH 0791/3638] ext4: Fix coding style in fs/ext4/move_extent.c

Making sure ee_block is initialized to zero to prevent gcc from
kvetching.  It's harmless (although it's not obvious that it's
harmless) from code inspection:

fs/ext4/move_extent.c:478: warning: 'start_ext.ee_block' may be used
uninitialized in this function

Thanks to Stefan Richter for first bringing this to the attention of
linux-ext4@vger.kernel.org.

Signed-off-by: LiuQi <lingjiujianke@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 fs/ext4/move_extent.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index d1fc662cc31..82621a36093 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -482,6 +482,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 	int depth = ext_depth(orig_inode);
 	int ret;
 
+	start_ext.ee_block = end_ext.ee_block = 0;
 	o_start = o_end = oext = orig_path[depth].p_ext;
 	oext_alen = ext4_ext_get_actual_len(oext);
 	start_ext.ee_len = end_ext.ee_len = 0;

From 8bf3aae6214792a5f758fb6f82cf25a98ac8e5a0 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 7 May 2010 23:17:20 -0400
Subject: [PATCH 0792/3638] drm/radeon/kms: fix copy pasto in disable encoders
 patch

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_encoders.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 63b80569390..1ec292ef11b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1547,7 +1547,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
 	case ENCODER_OBJECT_ID_INTERNAL_DAC2:
 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
 		atombios_dac_setup(encoder, ATOM_DISABLE);
-		if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
+		if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
 			atombios_tv_setup(encoder, ATOM_DISABLE);
 		break;
 	}

From c79504e73a0e84c4db7a2315dcdd6987b0c52566 Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Mon, 10 May 2010 13:45:58 -0500
Subject: [PATCH 0793/3638] mx5: change usb clock source from pll3 to pll2

For power management reasons, pll2 should be used to source the USBOH3
clock for mx51. PLL3 can be completely gated off when USB is not used.

This patch applies to 2.6.34-rc7.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/clock-mx51.c | 43 ++++++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
index dcca330addc..566cfda6185 100644
--- a/arch/arm/mach-mx5/clock-mx51.c
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -36,6 +36,7 @@ static struct clk lp_apm_clk;
 static struct clk periph_apm_clk;
 static struct clk ahb_clk;
 static struct clk ipg_clk;
+static struct clk usboh3_clk;
 
 #define MAX_DPLL_WAIT_TRIES	1000 /* 1000 * udelay(1) = 1ms */
 
@@ -569,6 +570,35 @@ static int _clk_uart_set_parent(struct clk *clk, struct clk *parent)
 	return 0;
 }
 
+static unsigned long clk_usboh3_get_rate(struct clk *clk)
+{
+	u32 reg, prediv, podf;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	reg = __raw_readl(MXC_CCM_CSCDR1);
+	prediv = ((reg & MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK) >>
+		  MXC_CCM_CSCDR1_USBOH3_CLK_PRED_OFFSET) + 1;
+	podf = ((reg & MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK) >>
+		MXC_CCM_CSCDR1_USBOH3_CLK_PODF_OFFSET) + 1;
+
+	return parent_rate / (prediv * podf);
+}
+
+static int _clk_usboh3_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 reg, mux;
+
+	mux = _get_mux(parent, &pll1_sw_clk, &pll2_sw_clk, &pll3_sw_clk,
+		       &lp_apm_clk);
+	reg = __raw_readl(MXC_CCM_CSCMR1) & ~MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK;
+	reg |= mux << MXC_CCM_CSCMR1_USBOH3_CLK_SEL_OFFSET;
+	__raw_writel(reg, MXC_CCM_CSCMR1);
+
+	return 0;
+}
+
 static unsigned long get_high_reference_clock_rate(struct clk *clk)
 {
 	return external_high_reference;
@@ -690,6 +720,12 @@ static struct clk uart_root_clk = {
 	.set_parent = _clk_uart_set_parent,
 };
 
+static struct clk usboh3_clk = {
+	.parent = &pll2_sw_clk,
+	.get_rate = clk_usboh3_get_rate,
+	.set_parent = _clk_usboh3_set_parent,
+};
+
 static struct clk ahb_max_clk = {
 	.parent = &ahb_clk,
 	.enable_reg = MXC_CCM_CCGR0,
@@ -761,10 +797,6 @@ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET,
 DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET,
 	NULL,  NULL, &ipg_clk, NULL);
 
-/* USB */
-DEFINE_CLOCK(usboh3_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG14_OFFSET,
-	NULL, NULL, &pll3_sw_clk, NULL);
-
 /* FEC */
 DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET,
 	NULL,  NULL, &ipg_clk, NULL);
@@ -826,6 +858,9 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
 	clk_enable(&cpu_clk);
 	clk_enable(&main_bus_clk);
 
+	/* set the usboh3_clk parent to pll2_sw_clk */
+	clk_set_parent(&usboh3_clk, &pll2_sw_clk);
+
 	/* System timer */
 	mxc_timer_init(&gpt_clk, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR),
 		MX51_MXC_INT_GPT);

From 2ba5a2c0d8e0f62916a885170f28786141f08f76 Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Mon, 10 May 2010 13:45:59 -0500
Subject: [PATCH 0794/3638] mx5: enable usb gadget for freescale mx51 babbage
 board

This patch enables usb gadget for freescale mx51 babbage hw. By default,
the OTG port will be in device mode. To put the OTG port into Host mode,
pass "otg_mode=host" in the exec command.

This patch applies to 2.6.34-rc7.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/board-mx51_babbage.c | 28 +++++++++++++++++++++++++-
 arch/arm/mach-mx5/clock-mx51.c         |  2 ++
 arch/arm/mach-mx5/devices.c            | 12 +++++++++++
 arch/arm/mach-mx5/devices.h            |  1 +
 4 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 99f7ea903a5..dacf506f18b 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -15,6 +15,7 @@
 #include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/fsl_devices.h>
 
 #include <mach/common.h>
 #include <mach/hardware.h>
@@ -179,12 +180,32 @@ static struct mxc_usbh_platform_data dr_utmi_config = {
 	.flags	= MXC_EHCI_INTERNAL_PHY,
 };
 
+static struct fsl_usb2_platform_data usb_pdata = {
+	.operating_mode	= FSL_USB2_DR_DEVICE,
+	.phy_mode	= FSL_USB2_PHY_UTMI_WIDE,
+};
+
 static struct mxc_usbh_platform_data usbh1_config = {
 	.init		= initialize_usbh1_port,
 	.portsc	= MXC_EHCI_MODE_ULPI,
 	.flags	= (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD),
 };
 
+static int otg_mode_host;
+
+static int __init babbage_otg_mode(char *options)
+{
+	if (!strcmp(options, "host"))
+		otg_mode_host = 1;
+	else if (!strcmp(options, "device"))
+		otg_mode_host = 0;
+	else
+		pr_info("otg_mode neither \"host\" nor \"device\". "
+			"Defaulting to device\n");
+	return 0;
+}
+__setup("otg_mode=", babbage_otg_mode);
+
 /*
  * Board specific initialization.
  */
@@ -197,7 +218,12 @@ static void __init mxc_board_init(void)
 	mxc_init_imx_uart();
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 
-	mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
+	if (otg_mode_host)
+		mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
+	else {
+		initialize_otg_port(NULL);
+		mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata);
+	}
 
 	gpio_usbh1_active();
 	mxc_register_device(&mxc_usbh1_device, &usbh1_config);
diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
index 566cfda6185..9b93de36cf2 100644
--- a/arch/arm/mach-mx5/clock-mx51.c
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -818,6 +818,8 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", ahb_clk)
 	_REGISTER_CLOCK("mxc-ehci.1", "usb", usboh3_clk)
 	_REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", ahb_clk)
+	_REGISTER_CLOCK("fsl-usb2-udc", "usb", usboh3_clk)
+	_REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", ahb_clk)
 };
 
 static void clk_tree_init(void)
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index e6262f31ed8..23850e637dc 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -107,6 +107,18 @@ static struct resource usbotg_resources[] = {
 	},
 };
 
+/* OTG gadget device */
+struct platform_device mxc_usbdr_udc_device = {
+	.name		= "fsl-usb2-udc",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(usbotg_resources),
+	.resource	= usbotg_resources,
+	.dev		= {
+		.dma_mask		= &usb_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+
 struct platform_device mxc_usbdr_host_device = {
 	.name = "mxc-ehci",
 	.id = 0,
diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
index 95c45f9e46c..0494d6bbcc5 100644
--- a/arch/arm/mach-mx5/devices.h
+++ b/arch/arm/mach-mx5/devices.h
@@ -4,3 +4,4 @@ extern struct platform_device mxc_uart_device2;
 extern struct platform_device mxc_fec_device;
 extern struct platform_device mxc_usbdr_host_device;
 extern struct platform_device mxc_usbh1_device;
+extern struct platform_device mxc_usbdr_udc_device;

From 01effb0dc1451fad55925873ffbfb88fa4eadce0 Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Tue, 11 May 2010 08:57:42 +0200
Subject: [PATCH 0795/3638] block: allow initialization of previously allocated
 request_queue

blk_init_queue() allocates the request_queue structure and then
initializes it as needed (request_fn, elevator, etc).

Split initialization out to blk_init_allocated_queue_node.
Introduce blk_init_allocated_queue wrapper function to model existing
blk_init_queue and blk_init_queue_node interfaces.

Export elv_register_queue to allow a newly added elevator to be
registered with sysfs.  Export elv_unregister_queue for symmetry.

These changes allow DM to initialize a device's request_queue with more
precision.  In particular, DM no longer unconditionally initializes a
full request_queue (elevator et al).  It only does so for a
request-based DM device.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-core.c       | 18 +++++++++++++++++-
 block/elevator.c       |  2 ++
 include/linux/blkdev.h |  5 +++++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index e9a5ae25db8..3bc5579d6f5 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -572,6 +572,22 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 {
 	struct request_queue *q = blk_alloc_queue_node(GFP_KERNEL, node_id);
 
+	return blk_init_allocated_queue_node(q, rfn, lock, node_id);
+}
+EXPORT_SYMBOL(blk_init_queue_node);
+
+struct request_queue *
+blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn,
+			 spinlock_t *lock)
+{
+	return blk_init_allocated_queue_node(q, rfn, lock, -1);
+}
+EXPORT_SYMBOL(blk_init_allocated_queue);
+
+struct request_queue *
+blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
+			      spinlock_t *lock, int node_id)
+{
 	if (!q)
 		return NULL;
 
@@ -605,7 +621,7 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 	blk_put_queue(q);
 	return NULL;
 }
-EXPORT_SYMBOL(blk_init_queue_node);
+EXPORT_SYMBOL(blk_init_allocated_queue_node);
 
 int blk_get_queue(struct request_queue *q)
 {
diff --git a/block/elevator.c b/block/elevator.c
index 5e734592bb4..6df2b5056b5 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -930,6 +930,7 @@ int elv_register_queue(struct request_queue *q)
 	}
 	return error;
 }
+EXPORT_SYMBOL(elv_register_queue);
 
 static void __elv_unregister_queue(struct elevator_queue *e)
 {
@@ -942,6 +943,7 @@ void elv_unregister_queue(struct request_queue *q)
 	if (q)
 		__elv_unregister_queue(q->elevator);
 }
+EXPORT_SYMBOL(elv_unregister_queue);
 
 void elv_register(struct elevator_type *e)
 {
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 3ac2bd2fc48..346fd485673 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -921,7 +921,12 @@ extern void blk_abort_queue(struct request_queue *);
  */
 extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
 					spinlock_t *lock, int node_id);
+extern struct request_queue *blk_init_allocated_queue_node(struct request_queue *,
+							   request_fn_proc *,
+							   spinlock_t *, int node_id);
 extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
+extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
+						      request_fn_proc *, spinlock_t *);
 extern void blk_cleanup_queue(struct request_queue *);
 extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
 extern void blk_queue_bounce_limit(struct request_queue *, u64);

From 2395e463fefd4aa8b784787e926e9b84e216d14f Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Tue, 11 May 2010 09:02:55 +0200
Subject: [PATCH 0796/3638] paride: fix menu indentation

Make the PARIDE menu be displayed correctly, with proper/expected
indentation, by moving the GDROM kconfig symbol, which was
splitting the PARIDE kconfig symbol from its dependent symbols.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 drivers/block/Kconfig | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 77bfce52e9c..de277689da6 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -76,6 +76,17 @@ config BLK_DEV_XD
 
 	  It's pretty unlikely that you have one of these: say N.
 
+config GDROM
+	tristate "SEGA Dreamcast GD-ROM drive"
+	depends on SH_DREAMCAST
+	help
+	  A standard SEGA Dreamcast comes with a modified CD ROM drive called a
+	  "GD-ROM" by SEGA to signify it is capable of reading special disks
+	  with up to 1 GB of data. This drive will also read standard CD ROM
+	  disks. Select this option to access any disks in your GD ROM drive.
+	  Most users will want to say "Y" here.
+	  You can also build this as a module which will be called gdrom.
+
 config PARIDE
 	tristate "Parallel port IDE device support"
 	depends on PARPORT_PC
@@ -103,17 +114,6 @@ config PARIDE
 	  "MicroSolutions backpack protocol", "DataStor Commuter protocol"
 	  etc.).
 
-config GDROM
-	tristate "SEGA Dreamcast GD-ROM drive"
-	depends on SH_DREAMCAST
-	help
-	  A standard SEGA Dreamcast comes with a modified CD ROM drive called a
-	  "GD-ROM" by SEGA to signify it is capable of reading special disks
-	  with up to 1 GB of data. This drive will also read standard CD ROM
-	  disks. Select this option to access any disks in your GD ROM drive.
-	  Most users will want to say "Y" here.
-	  You can also build this as a module which will be called gdrom.
-
 source "drivers/block/paride/Kconfig"
 
 config BLK_CPQ_DA

From a9ddabc52ce3757a4331d6c1e8bf4065333cc51b Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Tue, 11 May 2010 00:08:03 -0700
Subject: [PATCH 0797/3638] cmd640: fix kernel oops in test_irq() method

When implementing the test_iqr() method, I forgot that this driver is not an
ordinary PCI driver and also needs to support VLB variant of the chip. Moreover,
'hwif->dev' should be NULL, potentially causing oops in pci_read_config_byte().

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ide/cmd640.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/ide/cmd640.c b/drivers/ide/cmd640.c
index d2b8b272bc2..cb10201a15e 100644
--- a/drivers/ide/cmd640.c
+++ b/drivers/ide/cmd640.c
@@ -633,12 +633,10 @@ static void __init cmd640_init_dev(ide_drive_t *drive)
 
 static int cmd640_test_irq(ide_hwif_t *hwif)
 {
-	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	int irq_reg		= hwif->channel ? ARTTIM23 : CFR;
-	u8  irq_stat, irq_mask	= hwif->channel ? ARTTIM23_IDE23INTR :
+	u8  irq_mask		= hwif->channel ? ARTTIM23_IDE23INTR :
 						  CFR_IDE01INTR;
-
-	pci_read_config_byte(dev, irq_reg, &irq_stat);
+	u8  irq_stat		= get_cmd640_reg(irq_reg);
 
 	return (irq_stat & irq_mask) ? 1 : 0;
 }

From 369db2a6008e8fc3cf5006fa8aab71bd58adfc1f Mon Sep 17 00:00:00 2001
From: Rafi Rubin <rafi@seas.upenn.edu>
Date: Tue, 4 May 2010 14:20:15 -0400
Subject: [PATCH 0798/3638] HID: ntrig: add sensitivity and responsiveness
 support

The old rejection size thresholds were too high for the 12" devices.
Larger surfaces like the Dell Studio17 exacerbated the problem since
contact size is reported on the same logical scale, making a contact
look smaller to the larger screen.

Since we have observed erroneous ghost events from these devices we
still need to filter the incoming stream.

The prior size threshold filter is still in place, though with
defaults set to leave it off.

This patch adds the two new classes of filters, those that reject
live frames before activation, and those that reject empty frames
until deactivation.  These filters are expressed in terms of a
simple state machine for clarity (I hope).

The activation filter has two components, slack and size, events
are discarded until either is satisfied.  Slack is defined as
the number of seemingly good contacts to read before accepting the
stream as valid (if the threshold is reached in the middle of a frame
the remainder of that frame is still discarded).

The deactivation filter discards empty frames until hitting a
deactivate slack.  This time measured in frames.  N-Trig devices
emit 5-8 (observed so far) empty frames at the end of multitouch
activity.  Ignoring the first few enables us to safely and gracefully
handle erroneous empty frames, thus preventing a change in the tool
state which would otherwise result in things like broken lines or
dragged objects being dropped in bad places.

Also, now that devices with different logical densities have
been observed, the aforementioned sizes are scaled from physical
to logical scales once those scales are identified.  Hopefully this
should mean that a given threshold value means the same thing across
differing devices.

Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-ntrig.c | 220 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 211 insertions(+), 9 deletions(-)

diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 4777bbfa1cc..227d01527c6 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -24,6 +24,13 @@
 
 #define NTRIG_DUPLICATE_USAGES	0x001
 
+static unsigned int min_width;
+static unsigned int min_height;
+static unsigned int activate_slack = 1;
+static unsigned int deactivate_slack = 4;
+static unsigned int activation_width = 64;
+static unsigned int activation_height = 32;
+
 struct ntrig_data {
 	/* Incoming raw values for a single contact */
 	__u16 x, y, w, h;
@@ -37,6 +44,28 @@ struct ntrig_data {
 
 	__u8 mt_footer[4];
 	__u8 mt_foot_count;
+
+	/* The current activation state. */
+	__s8 act_state;
+
+	/* Empty frames to ignore before recognizing the end of activity */
+	__s8 deactivate_slack;
+
+	/* Frames to ignore before acknowledging the start of activity */
+	__s8 activate_slack;
+
+	/* Minimum size contact to accept */
+	__u16 min_width;
+	__u16 min_height;
+
+	/* Threshold to override activation slack */
+	__u16 activation_width;
+	__u16 activation_height;
+
+	__u16 sensor_logical_width;
+	__u16 sensor_logical_height;
+	__u16 sensor_physical_width;
+	__u16 sensor_physical_height;
 };
 
 /*
@@ -49,6 +78,8 @@ static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 		struct hid_field *field, struct hid_usage *usage,
 		unsigned long **bit, int *max)
 {
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
 	/* No special mappings needed for the pen and single touch */
 	if (field->physical)
 		return 0;
@@ -62,6 +93,21 @@ static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			input_set_abs_params(hi->input, ABS_X,
 					field->logical_minimum,
 					field->logical_maximum, 0, 0);
+
+			if (!nd->sensor_logical_width) {
+				nd->sensor_logical_width =
+					field->logical_maximum -
+					field->logical_minimum;
+				nd->sensor_physical_width =
+					field->physical_maximum -
+					field->physical_minimum;
+				nd->activation_width = activation_width *
+					nd->sensor_logical_width /
+					nd->sensor_physical_width;
+				nd->min_width = min_width *
+					nd->sensor_logical_width /
+					nd->sensor_physical_width;
+			}
 			return 1;
 		case HID_GD_Y:
 			hid_map_usage(hi, usage, bit, max,
@@ -69,6 +115,21 @@ static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			input_set_abs_params(hi->input, ABS_Y,
 					field->logical_minimum,
 					field->logical_maximum, 0, 0);
+
+			if (!nd->sensor_logical_height) {
+				nd->sensor_logical_height =
+					field->logical_maximum -
+					field->logical_minimum;
+				nd->sensor_physical_height =
+					field->physical_maximum -
+					field->physical_minimum;
+				nd->activation_height = activation_height *
+					nd->sensor_logical_height /
+					nd->sensor_physical_height;
+				nd->min_height = min_height *
+					nd->sensor_logical_height /
+					nd->sensor_physical_height;
+			}
 			return 1;
 		}
 		return 0;
@@ -201,20 +262,68 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
 			if (nd->mt_foot_count != 4)
 				break;
 
-			/* Pen activity signal, trigger end of touch. */
+			/* Pen activity signal. */
 			if (nd->mt_footer[2]) {
+				/*
+				 * When the pen deactivates touch, we see a
+				 * bogus frame with ContactCount > 0.
+				 * We can
+				 * save a bit of work by ensuring act_state < 0
+				 * even if deactivation slack is turned off.
+				 */
+				nd->act_state = deactivate_slack - 1;
 				nd->confidence = 0;
 				break;
 			}
 
-			/* If the contact was invalid */
-			if (!(nd->confidence && nd->mt_footer[0])
-					|| nd->w <= 250
-					|| nd->h <= 190) {
-				nd->confidence = 0;
+			/*
+			 * The first footer value indicates the presence of a
+			 * finger.
+			 */
+			if (nd->mt_footer[0]) {
+				/*
+				 * We do not want to process contacts under
+				 * the size threshold, but do not want to
+				 * ignore them for activation state
+				 */
+				if (nd->w < nd->min_width ||
+				    nd->h < nd->min_height)
+					nd->confidence = 0;
+			} else
 				break;
+
+			if (nd->act_state > 0) {
+				/*
+				 * Contact meets the activation size threshold
+				 */
+				if (nd->w >= nd->activation_width &&
+				    nd->h >= nd->activation_height) {
+					if (nd->id)
+						/*
+						 * first contact, activate now
+						 */
+						nd->act_state = 0;
+					else {
+						/*
+						 * avoid corrupting this frame
+						 * but ensure next frame will
+						 * be active
+						 */
+						nd->act_state = 1;
+						break;
+					}
+				} else
+					/*
+					 * Defer adjusting the activation state
+					 * until the end of the frame.
+					 */
+					break;
 			}
 
+			/* Discarding this contact */
+			if (!nd->confidence)
+				break;
+
 			/* emit a normal (X, Y) for the first point only */
 			if (nd->id == 0) {
 				/*
@@ -227,8 +336,15 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
 				input_event(input, EV_ABS, ABS_X, nd->x);
 				input_event(input, EV_ABS, ABS_Y, nd->y);
 			}
+
+			/* Emit MT events */
 			input_event(input, EV_ABS, ABS_MT_POSITION_X, nd->x);
 			input_event(input, EV_ABS, ABS_MT_POSITION_Y, nd->y);
+
+			/*
+			 * Translate from height and width to size
+			 * and orientation.
+			 */
 			if (nd->w > nd->h) {
 				input_event(input, EV_ABS,
 						ABS_MT_ORIENTATION, 1);
@@ -248,12 +364,88 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
 			break;
 
 		case HID_DG_CONTACTCOUNT: /* End of a multitouch group */
-			if (!nd->reading_mt)
+			if (!nd->reading_mt) /* Just to be sure */
 				break;
 
 			nd->reading_mt = 0;
 
-			if (nd->first_contact_touch) {
+
+			/*
+			 * Activation state machine logic:
+			 *
+			 * Fundamental states:
+			 *	state >  0: Inactive
+			 *	state <= 0: Active
+			 *	state <  -deactivate_slack:
+			 *		 Pen termination of touch
+			 *
+			 * Specific values of interest
+			 *	state == activate_slack
+			 *		 no valid input since the last reset
+			 *
+			 *	state == 0
+			 *		 general operational state
+			 *
+			 *	state == -deactivate_slack
+			 *		 read sufficient empty frames to accept
+			 *		 the end of input and reset
+			 */
+
+			if (nd->act_state > 0) { /* Currently inactive */
+				if (value)
+					/*
+					 * Consider each live contact as
+					 * evidence of intentional activity.
+					 */
+					nd->act_state = (nd->act_state > value)
+							? nd->act_state - value
+							: 0;
+				else
+					/*
+					 * Empty frame before we hit the
+					 * activity threshold, reset.
+					 */
+					nd->act_state = nd->activate_slack;
+
+				/*
+				 * Entered this block inactive and no
+				 * coordinates sent this frame, so hold off
+				 * on button state.
+				 */
+				break;
+			} else { /* Currently active */
+				if (value && nd->act_state >=
+					     nd->deactivate_slack)
+					/*
+					 * Live point: clear accumulated
+					 * deactivation count.
+					 */
+					nd->act_state = 0;
+				else if (nd->act_state <= nd->deactivate_slack)
+					/*
+					 * We've consumed the deactivation
+					 * slack, time to deactivate and reset.
+					 */
+					nd->act_state =
+						nd->activate_slack;
+				else { /* Move towards deactivation */
+					nd->act_state--;
+					break;
+				}
+			}
+
+			if (nd->first_contact_touch && nd->act_state <= 0) {
+				/*
+				 * Check to see if we're ready to start
+				 * emitting touch events.
+				 *
+				 * Note: activation slack will decrease over
+				 * the course of the frame, and it will be
+				 * inconsistent from the start to the end of
+				 * the frame.  However if the frame starts
+				 * with slack, first_contact_touch will still
+				 * be 0 and we will not get to this point.
+				 */
 				input_report_key(input, BTN_TOOL_DOUBLETAP, 1);
 				input_report_key(input, BTN_TOUCH, 1);
 			} else {
@@ -263,7 +455,7 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
 			break;
 
 		default:
-			/* fallback to the generic hidinput handling */
+			/* fall-back to the generic hidinput handling */
 			return 0;
 		}
 	}
@@ -293,6 +485,16 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	}
 
 	nd->reading_mt = 0;
+	nd->min_width = 0;
+	nd->min_height = 0;
+	nd->activate_slack = activate_slack;
+	nd->act_state = activate_slack;
+	nd->deactivate_slack = -deactivate_slack;
+	nd->sensor_logical_width = 0;
+	nd->sensor_logical_height = 0;
+	nd->sensor_physical_width = 0;
+	nd->sensor_physical_height = 0;
+
 	hid_set_drvdata(hdev, nd);
 
 	ret = hid_parse(hdev);

From eab32f5f65574c7484ed883c2245758f5a98878c Mon Sep 17 00:00:00 2001
From: Rafi Rubin <rafi@seas.upenn.edu>
Date: Tue, 4 May 2010 14:20:17 -0400
Subject: [PATCH 0799/3638] HID: ntrig: add sysfs access to filter parameters

This should make it a little more convenient to tweak the filtering
parameters on the fly.  Also unlike load-time parameters, this provides
independent tuning for each device conntected.

Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-ntrig.c | 285 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 285 insertions(+)

diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 227d01527c6..2c08365f372 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -68,6 +68,287 @@ struct ntrig_data {
 	__u16 sensor_physical_height;
 };
 
+
+static ssize_t show_phys_width(struct device *dev,
+			       struct device_attribute *attr,
+			       char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->sensor_physical_width);
+}
+
+static DEVICE_ATTR(sensor_physical_width, S_IRUGO, show_phys_width, NULL);
+
+static ssize_t show_phys_height(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->sensor_physical_height);
+}
+
+static DEVICE_ATTR(sensor_physical_height, S_IRUGO, show_phys_height, NULL);
+
+static ssize_t show_log_width(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->sensor_logical_width);
+}
+
+static DEVICE_ATTR(sensor_logical_width, S_IRUGO, show_log_width, NULL);
+
+static ssize_t show_log_height(struct device *dev,
+			       struct device_attribute *attr,
+			       char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->sensor_logical_height);
+}
+
+static DEVICE_ATTR(sensor_logical_height, S_IRUGO, show_log_height, NULL);
+
+static ssize_t show_min_width(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->min_width *
+				    nd->sensor_physical_width /
+				    nd->sensor_logical_width);
+}
+
+static ssize_t set_min_width(struct device *dev,
+			     struct device_attribute *attr,
+			     const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	unsigned long val;
+
+	if (strict_strtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val > nd->sensor_physical_width)
+		return -EINVAL;
+
+	nd->min_width = val * nd->sensor_logical_width /
+			      nd->sensor_physical_width;
+
+	return count;
+}
+
+static DEVICE_ATTR(min_width, S_IWUSR | S_IRUGO, show_min_width, set_min_width);
+
+static ssize_t show_min_height(struct device *dev,
+			       struct device_attribute *attr,
+			       char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->min_height *
+				    nd->sensor_physical_height /
+				    nd->sensor_logical_height);
+}
+
+static ssize_t set_min_height(struct device *dev,
+			      struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	unsigned long val;
+
+	if (strict_strtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val > nd->sensor_physical_height)
+		return -EINVAL;
+
+	nd->min_height = val * nd->sensor_logical_height /
+			       nd->sensor_physical_height;
+
+	return count;
+}
+
+static DEVICE_ATTR(min_height, S_IWUSR | S_IRUGO, show_min_height,
+		   set_min_height);
+
+static ssize_t show_activate_slack(struct device *dev,
+				   struct device_attribute *attr,
+				   char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->activate_slack);
+}
+
+static ssize_t set_activate_slack(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	unsigned long val;
+
+	if (strict_strtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val > 0x7f)
+		return -EINVAL;
+
+	nd->activate_slack = val;
+
+	return count;
+}
+
+static DEVICE_ATTR(activate_slack, S_IWUSR | S_IRUGO, show_activate_slack,
+		   set_activate_slack);
+
+static ssize_t show_activation_width(struct device *dev,
+				     struct device_attribute *attr,
+				     char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->activation_width *
+				    nd->sensor_physical_width /
+				    nd->sensor_logical_width);
+}
+
+static ssize_t set_activation_width(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	unsigned long val;
+
+	if (strict_strtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val > nd->sensor_physical_width)
+		return -EINVAL;
+
+	nd->activation_width = val * nd->sensor_logical_width /
+				     nd->sensor_physical_width;
+
+	return count;
+}
+
+static DEVICE_ATTR(activation_width, S_IWUSR | S_IRUGO, show_activation_width,
+		   set_activation_width);
+
+static ssize_t show_activation_height(struct device *dev,
+				      struct device_attribute *attr,
+				      char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", nd->activation_height *
+				    nd->sensor_physical_height /
+				    nd->sensor_logical_height);
+}
+
+static ssize_t set_activation_height(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	unsigned long val;
+
+	if (strict_strtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val > nd->sensor_physical_height)
+		return -EINVAL;
+
+	nd->activation_height = val * nd->sensor_logical_height /
+				      nd->sensor_physical_height;
+
+	return count;
+}
+
+static DEVICE_ATTR(activation_height, S_IWUSR | S_IRUGO,
+		   show_activation_height, set_activation_height);
+
+static ssize_t show_deactivate_slack(struct device *dev,
+				     struct device_attribute *attr,
+				     char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	return sprintf(buf, "%d\n", -nd->deactivate_slack);
+}
+
+static ssize_t set_deactivate_slack(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct ntrig_data *nd = hid_get_drvdata(hdev);
+
+	unsigned long val;
+
+	if (strict_strtoul(buf, 0, &val))
+		return -EINVAL;
+
+	/*
+	 * No more than 8 terminal frames have been observed so far
+	 * and higher slack is highly likely to leave the single
+	 * touch emulation stuck down.
+	 */
+	if (val > 7)
+		return -EINVAL;
+
+	nd->deactivate_slack = -val;
+
+	return count;
+}
+
+static DEVICE_ATTR(deactivate_slack, S_IWUSR | S_IRUGO, show_deactivate_slack,
+		   set_deactivate_slack);
+
+static struct attribute *sysfs_attrs[] = {
+	&dev_attr_sensor_physical_width.attr,
+	&dev_attr_sensor_physical_height.attr,
+	&dev_attr_sensor_logical_width.attr,
+	&dev_attr_sensor_logical_height.attr,
+	&dev_attr_min_height.attr,
+	&dev_attr_min_width.attr,
+	&dev_attr_activate_slack.attr,
+	&dev_attr_activation_width.attr,
+	&dev_attr_activation_height.attr,
+	&dev_attr_deactivate_slack.attr,
+	NULL
+};
+
+static struct attribute_group ntrig_attribute_group = {
+	.attrs = sysfs_attrs
+};
+
 /*
  * this driver is aimed at two firmware versions in circulation:
  *  - dual pen/finger single touch
@@ -546,6 +827,8 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	if (report)
 		usbhid_submit_report(hdev, report, USB_DIR_OUT);
 
+	ret = sysfs_create_group(&hdev->dev.kobj,
+			&ntrig_attribute_group);
 
 	return 0;
 err_free:
@@ -555,6 +838,8 @@ err_free:
 
 static void ntrig_remove(struct hid_device *hdev)
 {
+	sysfs_remove_group(&hdev->dev.kobj,
+			&ntrig_attribute_group);
 	hid_hw_stop(hdev);
 	kfree(hid_get_drvdata(hdev));
 }

From ab3f4980ec62b907e697ff0934a8e1d076a6d46d Mon Sep 17 00:00:00 2001
From: Rafi Rubin <rafi@seas.upenn.edu>
Date: Tue, 4 May 2010 14:20:16 -0400
Subject: [PATCH 0800/3638] HID: ntrig: add filtering module parameters

Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-ntrig.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 2c08365f372..b6b0caeeac5 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -25,11 +25,32 @@
 #define NTRIG_DUPLICATE_USAGES	0x001
 
 static unsigned int min_width;
+module_param(min_width, uint, 0644);
+MODULE_PARM_DESC(min_width, "Minimum touch contact width to accept.");
+
 static unsigned int min_height;
+module_param(min_height, uint, 0644);
+MODULE_PARM_DESC(min_height, "Minimum touch contact height to accept.");
+
 static unsigned int activate_slack = 1;
+module_param(activate_slack, uint, 0644);
+MODULE_PARM_DESC(activate_slack, "Number of touch frames to ignore at "
+		 "the start of touch input.");
+
 static unsigned int deactivate_slack = 4;
+module_param(deactivate_slack, uint, 0644);
+MODULE_PARM_DESC(deactivate_slack, "Number of empty frames to ignore before "
+		 "deactivating touch.");
+
 static unsigned int activation_width = 64;
+module_param(activation_width, uint, 0644);
+MODULE_PARM_DESC(activation_width, "Width threshold to immediately start "
+		 "processing touch events.");
+
 static unsigned int activation_height = 32;
+module_param(activation_height, uint, 0644);
+MODULE_PARM_DESC(activation_height, "Height threshold to immediately start "
+		 "processing touch events.");
 
 struct ntrig_data {
 	/* Incoming raw values for a single contact */

From 81cd584394e54514c57b18e0f23e0b5ca40070b2 Mon Sep 17 00:00:00 2001
From: Antonio Ospite <ospite@studenti.unina.it>
Date: Fri, 30 Apr 2010 21:49:58 +0200
Subject: [PATCH 0801/3638] HID: hidraw: fix indentation

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hidraw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index d04476700b7..a758ead3df6 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -310,7 +310,7 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
 						-EFAULT : len;
 					break;
 				}
-                }
+		}
 
 		ret = -ENOTTY;
 	}

From 0b25a610c1f4e1f9632421e10a0f4c6497ea7deb Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sat, 27 Feb 2010 17:43:22 +0100
Subject: [PATCH 0802/3638] Staging: vt6655: 80211hdr.h: Checkpatch cleanup

ERROR: do not use C99 // comments
+// bit type

ERROR: do not use C99 // comments
+// 802.11 frame related, defined as 802.11 spec

ERROR: do not use C99 // comments
+//#define WLAN_RATES_MAXLEN           255

ERROR: do not use C99 // comments
+//#define WLAN_WEPMAX_KEYLEN          29

ERROR: do not use C99 // comments
+// Frame Type

ERROR: do not use C99 // comments
+// Frame Subtypes

ERROR: do not use C99 // comments
+// Control

ERROR: do not use C99 // comments
+// Data

ERROR: do not use C99 // comments
+// GET & SET Frame Control bit

ERROR: do not use C99 // comments
+// Sequence Field bit

ERROR: do not use C99 // comments
+// Capability Field bit

ERROR: do not use C99 // comments
+// GET & SET Frame Control bit

ERROR: do not use C99 // comments
+// Sequence Field bit

ERROR: do not use C99 // comments
+// Capability Field bit

ERROR: do not use C99 // comments
+#endif //#ifdef __BIG_ENDIAN

ERROR: do not use C99 // comments
+// ERP Field bit

ERROR: do not use C99 // comments
+// Support & Basic Rates field

ERROR: do not use C99 // comments
+// TIM field

ERROR: do not use C99 // comments
+// 3-Addr & 4-Addr

ERROR: do not use C99 // comments
+// IEEE ADDR

ERROR: do not use C99 // comments
+// 802.11 Header Format

ERROR: space required after that close brace '}'
+}__attribute__ ((__packed__))

ERROR: space required after that close brace '}'
+}__attribute__ ((__packed__))

ERROR: space required after that close brace '}'
+}__attribute__ ((__packed__))

ERROR: do not use C99 // comments
+#endif // __80211HDR_H__

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/80211hdr.h | 46 +++++++++++++++----------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/vt6655/80211hdr.h b/drivers/staging/vt6655/80211hdr.h
index e5cee6fd053..b7b170e19aa 100644
--- a/drivers/staging/vt6655/80211hdr.h
+++ b/drivers/staging/vt6655/80211hdr.h
@@ -34,7 +34,7 @@
 #include "ttype.h"
 
 /*---------------------  Export Definitions -------------------------*/
-// bit type
+/* bit type */
 #define BIT0	0x00000001
 #define BIT1	0x00000002
 #define BIT2	0x00000004
@@ -80,7 +80,7 @@
 #define WLAN_HDR_ADDR4_LEN          30
 #define WLAN_IEHDR_LEN              2
 #define WLAN_SSID_MAXLEN            32
-//#define WLAN_RATES_MAXLEN           255
+/*#define WLAN_RATES_MAXLEN           255*/
 #define WLAN_RATES_MAXLEN           16
 #define WLAN_RATES_MAXLEN_11B       4
 #define WLAN_RSN_MAXLEN             32
@@ -106,7 +106,7 @@
 #define WLAN_WEP40_KEYLEN           5
 #define WLAN_WEP104_KEYLEN          13
 #define WLAN_WEP232_KEYLEN          29
-//#define WLAN_WEPMAX_KEYLEN          29
+/*#define WLAN_WEPMAX_KEYLEN          29*/
 #define WLAN_WEPMAX_KEYLEN          32
 #define WLAN_CHALLENGE_IE_MAXLEN    255
 #define WLAN_CHALLENGE_IE_LEN       130
@@ -115,7 +115,7 @@
 #define WLAN_WEP_ICV_LEN            4
 #define WLAN_FRAGS_MAX              16
 
-// Frame Type
+/* Frame Type */
 #define WLAN_TYPE_MGR 0x00
 #define WLAN_TYPE_CTL  0x01
 #define WLAN_TYPE_DATA 0x02
@@ -125,7 +125,7 @@
 #define WLAN_FTYPE_DATA 0x02
 
 
-// Frame Subtypes
+/* Frame Subtypes */
 #define WLAN_FSTYPE_ASSOCREQ        0x00
 #define WLAN_FSTYPE_ASSOCRESP       0x01
 #define WLAN_FSTYPE_REASSOCREQ      0x02
@@ -139,7 +139,7 @@
 #define WLAN_FSTYPE_DEAUTHEN        0x0c
 #define WLAN_FSTYPE_ACTION          0x0d
 
-// Control
+/* Control */
 #define WLAN_FSTYPE_PSPOLL          0x0a
 #define WLAN_FSTYPE_RTS             0x0b
 #define WLAN_FSTYPE_CTS             0x0c
@@ -147,7 +147,7 @@
 #define WLAN_FSTYPE_CFEND           0x0e
 #define WLAN_FSTYPE_CFENDCFACK      0x0f
 
-// Data
+/* Data */
 #define WLAN_FSTYPE_DATAONLY        0x00
 #define WLAN_FSTYPE_DATA_CFACK      0x01
 #define WLAN_FSTYPE_DATA_CFPOLL     0x02
@@ -160,7 +160,7 @@
 
 #ifdef __BIG_ENDIAN
 
-// GET & SET Frame Control bit
+/* GET & SET Frame Control bit */
 #define WLAN_GET_FC_PRVER(n)    ((((WORD)(n) >> 8) & (BIT0 | BIT1))
 #define WLAN_GET_FC_FTYPE(n)    ((((WORD)(n) >> 8) & (BIT2 | BIT3)) >> 2)
 #define WLAN_GET_FC_FSTYPE(n)   ((((WORD)(n) >> 8) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
@@ -173,12 +173,12 @@
 #define WLAN_GET_FC_ISWEP(n)    ((((WORD)(n) << 8) & (BIT14)) >> 14)
 #define WLAN_GET_FC_ORDER(n)    ((((WORD)(n) << 8) & (BIT15)) >> 15)
 
-// Sequence Field bit
+/* Sequence Field bit */
 #define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3))
 #define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
 
 
-// Capability Field bit
+/* Capability Field bit */
 #define WLAN_GET_CAP_INFO_ESS(n)           (((n) >> 8) & BIT0)
 #define WLAN_GET_CAP_INFO_IBSS(n)          ((((n) >> 8) & BIT1) >> 1)
 #define WLAN_GET_CAP_INFO_CFPOLLABLE(n)    ((((n) >> 8) & BIT2) >> 2)
@@ -195,7 +195,7 @@
 
 #else
 
-// GET & SET Frame Control bit
+/* GET & SET Frame Control bit */
 #define WLAN_GET_FC_PRVER(n)    (((WORD)(n)) & (BIT0 | BIT1))
 #define WLAN_GET_FC_FTYPE(n)    ((((WORD)(n)) & (BIT2 | BIT3)) >> 2)
 #define WLAN_GET_FC_FSTYPE(n)   ((((WORD)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
@@ -209,12 +209,12 @@
 #define WLAN_GET_FC_ORDER(n)    ((((WORD)(n)) & (BIT15)) >> 15)
 
 
-// Sequence Field bit
+/* Sequence Field bit */
 #define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n)) & (BIT0|BIT1|BIT2|BIT3))
 #define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
 
 
-// Capability Field bit
+/* Capability Field bit */
 #define WLAN_GET_CAP_INFO_ESS(n)           ((n) & BIT0)
 #define WLAN_GET_CAP_INFO_IBSS(n)          (((n) & BIT1) >> 1)
 #define WLAN_GET_CAP_INFO_CFPOLLABLE(n)    (((n) & BIT2) >> 2)
@@ -229,7 +229,7 @@
 #define WLAN_GET_CAP_INFO_GRPACK(n)        (((n) & BIT14) >> 14)
 
 
-#endif //#ifdef __BIG_ENDIAN
+#endif /*#ifdef __BIG_ENDIAN */
 
 
 #define WLAN_SET_CAP_INFO_ESS(n)           (n)
@@ -261,7 +261,7 @@
 #define WLAN_SET_SEQ_FRGNUM(n) ((WORD)(n))
 #define WLAN_SET_SEQ_SEQNUM(n) (((WORD)(n)) << 4)
 
-// ERP Field bit
+/* ERP Field bit */
 
 #define WLAN_GET_ERP_NONERP_PRESENT(n)     ((n) & BIT0)
 #define WLAN_GET_ERP_USE_PROTECTION(n)     (((n) & BIT1) >> 1)
@@ -273,19 +273,19 @@
 
 
 
-// Support & Basic Rates field
+/* Support & Basic Rates field */
 #define WLAN_MGMT_IS_BASICRATE(b)    ((b) & BIT7)
 #define WLAN_MGMT_GET_RATE(b)        ((b) & ~BIT7)
 
-// TIM field
+/* TIM field */
 #define WLAN_MGMT_IS_MULTICAST_TIM(b)   ((b) & BIT0)
 #define WLAN_MGMT_GET_TIM_OFFSET(b)     (((b) & ~BIT0) >> 1)
 
-// 3-Addr & 4-Addr
+/* 3-Addr & 4-Addr */
 #define WLAN_HDR_A3_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR3_LEN)
 #define WLAN_HDR_A4_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR4_LEN)
 
-// IEEE ADDR
+/* IEEE ADDR */
 #define IEEE_ADDR_UNIVERSAL         0x02
 #define IEEE_ADDR_GROUP             0x01
 
@@ -293,7 +293,7 @@ typedef struct {
     BYTE            abyAddr[6];
 } IEEE_ADDR, *PIEEE_ADDR;
 
-// 802.11 Header Format
+/* 802.11 Header Format */
 
 typedef struct tagWLAN_80211HDR_A2 {
 
@@ -302,7 +302,7 @@ typedef struct tagWLAN_80211HDR_A2 {
     BYTE    abyAddr1[WLAN_ADDR_LEN];
     BYTE    abyAddr2[WLAN_ADDR_LEN];
 
-}__attribute__ ((__packed__))
+} __attribute__ ((__packed__))
 WLAN_80211HDR_A2, *PWLAN_80211HDR_A2;
 
 typedef struct tagWLAN_80211HDR_A3 {
@@ -327,7 +327,7 @@ typedef struct tagWLAN_80211HDR_A4 {
     WORD    wSeqCtl;
     BYTE    abyAddr4[WLAN_ADDR_LEN];
 
-}__attribute__ ((__packed__))
+} __attribute__ ((__packed__))
 WLAN_80211HDR_A4, *PWLAN_80211HDR_A4;
 
 
@@ -348,6 +348,6 @@ typedef union tagUWLAN_80211HDR {
 
 
 
-#endif // __80211HDR_H__
+#endif /* __80211HDR_H__ */
 
 

From a88e29cfd8e59c82cf63440117bd1d61761f0f87 Mon Sep 17 00:00:00 2001
From: Graham M Howe <gman.1352@googlemail.com>
Date: Sat, 27 Feb 2010 09:14:22 +0000
Subject: [PATCH 0803/3638] Staging: comedi: fix 80 character line issue in
 8253.h

This is a patch to the 8253.h file to fix 80 character line warning
found by checkpatch.pl tool

Signed-off-by: Graham M Howe <gman.1352@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/8253.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/8253.h b/drivers/staging/comedi/drivers/8253.h
index 0bb35db4ea3..3eb45d46e05 100644
--- a/drivers/staging/comedi/drivers/8253.h
+++ b/drivers/staging/comedi/drivers/8253.h
@@ -214,7 +214,8 @@ static inline void i8253_cascade_ns_to_timer_2div(int i8253_osc_base,
 
 #ifndef CMDTEST
 /* i8254_load programs 8254 counter chip.  It should also work for the 8253.
- * base_address is the lowest io address for the chip (the address of counter 0).
+ * base_address is the lowest io address
+ * for the chip (the address of counter 0).
  * counter_number is the counter you want to load (0,1 or 2)
  * count is the number to load into the counter.
  *

From de55a7a5a2f17212c8e7c9a391db8ab5b0187c43 Mon Sep 17 00:00:00 2001
From: Stewart Robertson <stewart_r@aliencamel.com>
Date: Sat, 27 Feb 2010 17:05:38 +0000
Subject: [PATCH 0804/3638] Staging: comedi: fix comments over 80 issue in
 usbduxfast.c

This is a patch to the usbduxfast.c file that fixes comments
over 80 warnings found by the checkpatch.pl tool

Signed-off-by: Stewart Robertson <stewart_r@aliencamel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/usbduxfast.c | 44 ++++++++++++---------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index e89b8181253..05b1973ea35 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -177,8 +177,8 @@ struct usbduxfastsub_s {
 	int16_t *insnBuffer;	/* input buffer for single insn */
 	int ifnum;		/* interface number */
 	struct usb_interface *interface;	/* interface structure */
-	struct comedi_device *comedidev;	/* comedi device for the interrupt
-						   context */
+	/* comedi device for the interrupt context */
+	struct comedi_device *comedidev;
 	short int ai_cmd_running;	/* asynchronous command is running */
 	short int ai_continous;	/* continous aquisition */
 	long int ai_sample_count;	/* number of samples to acquire */
@@ -271,7 +271,8 @@ static int usbduxfast_ai_stop(struct usbduxfastsub_s *udfs, int do_unlink)
 	udfs->ai_cmd_running = 0;
 
 	if (do_unlink)
-		ret = usbduxfastsub_unlink_InURBs(udfs);	/* stop aquistion */
+		/* stop aquistion */
+		ret = usbduxfastsub_unlink_InURBs(udfs);
 
 	return ret;
 }
@@ -451,13 +452,15 @@ static int usbduxfastsub_start(struct usbduxfastsub_s *udfs)
 
 	/* 7f92 to zero */
 	local_transfer_buffer[0] = 0;
-	ret = usb_control_msg(udfs->usbdev, usb_sndctrlpipe(udfs->usbdev, 0), USBDUXFASTSUB_FIRMWARE,	/* bRequest, "Firmware" */
-			      VENDOR_DIR_OUT,	/* bmRequestType */
-			      USBDUXFASTSUB_CPUCS,	/* Value */
-			      0x0000,	/* Index */
-			      local_transfer_buffer,	/* address of the transfer buffer */
-			      1,	/* Length */
-			      EZTIMEOUT);	/* Timeout */
+	/* bRequest, "Firmware" */
+	ret = usb_control_msg(udfs->usbdev, usb_sndctrlpipe(udfs->usbdev, 0), USBDUXFASTSUB_FIRMWARE,
+				VENDOR_DIR_OUT,	/* bmRequestType */
+				USBDUXFASTSUB_CPUCS,	/* Value */
+				0x0000,	/* Index */
+				/* address of the transfer buffer */
+				local_transfer_buffer,
+				1,	/* Length */
+				EZTIMEOUT);	/* Timeout */
 	if (ret < 0) {
 		printk("comedi_: usbduxfast_: control msg failed (start)\n");
 		return ret;
@@ -473,7 +476,8 @@ static int usbduxfastsub_stop(struct usbduxfastsub_s *udfs)
 
 	/* 7f92 to one */
 	local_transfer_buffer[0] = 1;
-	ret = usb_control_msg(udfs->usbdev, usb_sndctrlpipe(udfs->usbdev, 0), USBDUXFASTSUB_FIRMWARE,	/* bRequest, "Firmware" */
+	/* bRequest, "Firmware" */
+	ret = usb_control_msg(udfs->usbdev, usb_sndctrlpipe(udfs->usbdev, 0), USBDUXFASTSUB_FIRMWARE,
 			      VENDOR_DIR_OUT,	/* bmRequestType */
 			      USBDUXFASTSUB_CPUCS,	/* Value */
 			      0x0000,	/* Index */
@@ -499,13 +503,15 @@ static int usbduxfastsub_upload(struct usbduxfastsub_s *udfs,
 	printk(KERN_DEBUG " to addr %d, first byte=%d.\n",
 	       startAddr, local_transfer_buffer[0]);
 #endif
-	ret = usb_control_msg(udfs->usbdev, usb_sndctrlpipe(udfs->usbdev, 0), USBDUXFASTSUB_FIRMWARE,	/* brequest, firmware */
-			      VENDOR_DIR_OUT,	/* bmRequestType */
-			      startAddr,	/* value */
-			      0x0000,	/* index */
-			      local_transfer_buffer,	/* our local safe buffer */
-			      len,	/* length */
-			      EZTIMEOUT);	/* timeout */
+	/* brequest, firmware */
+	ret = usb_control_msg(udfs->usbdev, usb_sndctrlpipe(udfs->usbdev, 0), USBDUXFASTSUB_FIRMWARE,
+				VENDOR_DIR_OUT,	/* bmRequestType */
+				startAddr,	/* value */
+				0x0000,	/* index */
+				/* our local safe buffer */
+				local_transfer_buffer,
+				len,	/* length */
+				EZTIMEOUT);	/* timeout */
 
 #ifdef CONFIG_COMEDI_DEBUG
 	printk(KERN_DEBUG "comedi_: usbduxfast: result=%d\n", ret);
@@ -1347,7 +1353,7 @@ static int usbduxfast_ai_insn_read(struct comedi_device *dev,
 #define FIRMWARE_MAX_LEN 0x2000
 
 static int firmwareUpload(struct usbduxfastsub_s *usbduxfastsub,
-			  const u8 * firmwareBinary, int sizeFirmware)
+			  const u8 *firmwareBinary, int sizeFirmware)
 {
 	int ret;
 	uint8_t *fwBuf;

From f681d552012bc61dedc12aace8126339fcab8d7e Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:44 +0100
Subject: [PATCH 0805/3638] Staging: rt2870: rtusb_data.c: Checkpatch cleanup

drivers/staging/rt2870/common/rtusb_data.c:127: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_data.c:141: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_data.c:154: ERROR: space prohibited before that close parenthesis ')'
drivers/staging/rt2870/common/rtusb_data.c:204: ERROR: space prohibited after that '&' (ctx:VxW)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2870/common/rtusb_data.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rt2870/common/rtusb_data.c b/drivers/staging/rt2870/common/rtusb_data.c
index 4583764c78d..69368862217 100644
--- a/drivers/staging/rt2870/common/rtusb_data.c
+++ b/drivers/staging/rt2870/common/rtusb_data.c
@@ -124,7 +124,7 @@ int RTUSBFreeDescriptorRequest(struct rt_rtmp_adapter *pAd,
 	}
 	RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags);
 
-	return (Status);
+	return Status;
 }
 
 int RTUSBFreeDescriptorRelease(struct rt_rtmp_adapter *pAd,
@@ -138,7 +138,7 @@ int RTUSBFreeDescriptorRelease(struct rt_rtmp_adapter *pAd,
 	pHTTXContext->bCurWriting = FALSE;
 	RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags);
 
-	return (NDIS_STATUS_SUCCESS);
+	return NDIS_STATUS_SUCCESS;
 }
 
 BOOLEAN RTUSBNeedQueueBackForAgg(struct rt_rtmp_adapter *pAd, u8 BulkOutPipeId)
@@ -151,7 +151,7 @@ BOOLEAN RTUSBNeedQueueBackForAgg(struct rt_rtmp_adapter *pAd, u8 BulkOutPipeId)
 
 	RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags);
 	if ((pHTTXContext->IRPPending ==
-	     TRUE) /*&& (pAd->TxSwQueue[BulkOutPipeId].Number == 0) */ ) {
+	     TRUE) /*&& (pAd->TxSwQueue[BulkOutPipeId].Number == 0) */) {
 		if ((pHTTXContext->CurWritePosition <
 		     pHTTXContext->ENextBulkOutPosition)
 		    &&
@@ -201,7 +201,7 @@ void RTUSBRejectPendingPackets(struct rt_rtmp_adapter *pAd)
 	for (Index = 0; Index < 4; Index++) {
 		NdisAcquireSpinLock(&pAd->TxSwQueueLock[Index]);
 		while (pAd->TxSwQueue[Index].Head != NULL) {
-			pQueue = (struct rt_queue_header *)& (pAd->TxSwQueue[Index]);
+			pQueue = (struct rt_queue_header *)&(pAd->TxSwQueue[Index]);
 			pEntry = RemoveHeadQueue(pQueue);
 			pPacket = QUEUE_ENTRY_TO_PACKET(pEntry);
 			RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);

From 2c300f2a65a113440f9fbd0bce7e8d446615fb03 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:45 +0100
Subject: [PATCH 0806/3638] Staging: rt2870: rtusb_io.c: Checkpatch cleanup

drivers/staging/rt2870/common/rtusb_io.c:27: ERROR: code indent should use tabs where possible
drivers/staging/rt2870/common/rtusb_io.c:404: ERROR: while should follow close brace '}'
drivers/staging/rt2870/common/rtusb_io.c:459: ERROR: while should follow close brace '}'
drivers/staging/rt2870/common/rtusb_io.c:655: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_io.c:659: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_io.c:669: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_io.c:701: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_io.c:729: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_io.c:739: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_io.c:770: ERROR: return is not a function, parentheses are not required
drivers/staging/rt2870/common/rtusb_io.c:1412: ERROR: that open brace { should be on the previous line
drivers/staging/rt2870/common/rtusb_io.c:1434: ERROR: that open brace { should be on the previous line

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2870/common/rtusb_io.c | 29 ++++++++++--------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/rt2870/common/rtusb_io.c b/drivers/staging/rt2870/common/rtusb_io.c
index cf0d2f5dbc6..cde38fe7e2e 100644
--- a/drivers/staging/rt2870/common/rtusb_io.c
+++ b/drivers/staging/rt2870/common/rtusb_io.c
@@ -24,7 +24,7 @@
  *                                                                       *
  *************************************************************************
 
- 	Module Name:
+	Module Name:
 	rtusb_io.c
 
 	Abstract:
@@ -400,8 +400,7 @@ int RTUSBWriteBBPRegister(struct rt_rtmp_adapter *pAd,
 			 ("RTUSBWriteBBPRegister(BBP_CSR_CFG):retry count=%d!\n",
 			  i));
 		i++;
-	}
-	while ((i < RETRY_LIMIT)
+	} while ((i < RETRY_LIMIT)
 	       && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)));
 
 	if ((i == RETRY_LIMIT)
@@ -455,8 +454,7 @@ int RTUSBWriteRFRegister(struct rt_rtmp_adapter *pAd, u32 Value)
 			 ("RTUSBWriteRFRegister(RF_CSR_CFG0):retry count=%d!\n",
 			  i));
 		i++;
-	}
-	while ((i < RETRY_LIMIT)
+	} while ((i < RETRY_LIMIT)
 	       && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)));
 
 	if ((i == RETRY_LIMIT)
@@ -652,11 +650,11 @@ int RTUSBEnqueueCmdFromNdis(struct rt_rtmp_adapter *pAd,
 	}
 	else
 #endif
-	return (NDIS_STATUS_RESOURCES);
+	return NDIS_STATUS_RESOURCES;
 
 	status = os_alloc_mem(pAd, (u8 **) (&cmdqelmt), sizeof(struct rt_cmdqelmt));
 	if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt == NULL))
-		return (NDIS_STATUS_RESOURCES);
+		return NDIS_STATUS_RESOURCES;
 
 	cmdqelmt->buffer = NULL;
 	if (pInformationBuffer != NULL) {
@@ -666,7 +664,7 @@ int RTUSBEnqueueCmdFromNdis(struct rt_rtmp_adapter *pAd,
 		if ((status != NDIS_STATUS_SUCCESS)
 		    || (cmdqelmt->buffer == NULL)) {
 			kfree(cmdqelmt);
-			return (NDIS_STATUS_RESOURCES);
+			return NDIS_STATUS_RESOURCES;
 		} else {
 			NdisMoveMemory(cmdqelmt->buffer, pInformationBuffer,
 				       InformationBufferLength);
@@ -698,7 +696,7 @@ int RTUSBEnqueueCmdFromNdis(struct rt_rtmp_adapter *pAd,
 	} else
 		RTUSBCMDUp(pAd);
 
-	return (NDIS_STATUS_SUCCESS);
+	return NDIS_STATUS_SUCCESS;
 }
 
 /*
@@ -726,7 +724,7 @@ int RTUSBEnqueueInternalCmd(struct rt_rtmp_adapter *pAd,
 
 	status = os_alloc_mem(pAd, (u8 **) & cmdqelmt, sizeof(struct rt_cmdqelmt));
 	if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt == NULL))
-		return (NDIS_STATUS_RESOURCES);
+		return NDIS_STATUS_RESOURCES;
 	NdisZeroMemory(cmdqelmt, sizeof(struct rt_cmdqelmt));
 
 	if (InformationBufferLength > 0) {
@@ -736,7 +734,7 @@ int RTUSBEnqueueInternalCmd(struct rt_rtmp_adapter *pAd,
 		if ((status != NDIS_STATUS_SUCCESS)
 		    || (cmdqelmt->buffer == NULL)) {
 			os_free_mem(pAd, cmdqelmt);
-			return (NDIS_STATUS_RESOURCES);
+			return NDIS_STATUS_RESOURCES;
 		} else {
 			NdisMoveMemory(cmdqelmt->buffer, pInformationBuffer,
 				       InformationBufferLength);
@@ -767,7 +765,7 @@ int RTUSBEnqueueInternalCmd(struct rt_rtmp_adapter *pAd,
 		} else
 			RTUSBCMDUp(pAd);
 	}
-	return (NDIS_STATUS_SUCCESS);
+	return NDIS_STATUS_SUCCESS;
 }
 
 /*
@@ -1071,7 +1069,7 @@ void CMDHandler(struct rt_rtmp_adapter *pAd)
 								     TXRXQ_PCNT,
 								     &MACValue);
 						if ((MACValue & 0xf00000
-						     /*0x800000 */ ) == 0)
+						     /*0x800000 */) == 0)
 							break;
 						Index++;
 						RTMPusecDelay(10000);
@@ -1406,15 +1404,13 @@ void CMDHandler(struct rt_rtmp_adapter *pAd)
 				/* All transfers must be aborted or cancelled before attempting to reset the pipe. */
 				{
 					u32 MACValue;
-
 					{
 						/*while ((atomic_read(&pAd->PendingRx) > 0) && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST))) */
 						if ((pAd->PendingRx > 0)
 						    &&
 						    (!RTMP_TEST_FLAG
 						     (pAd,
-						      fRTMP_ADAPTER_NIC_NOT_EXIST)))
-						{
+						      fRTMP_ADAPTER_NIC_NOT_EXIST))) {
 							DBGPRINT_RAW
 							    (RT_DEBUG_ERROR,
 							     ("BulkIn IRP Pending!!!\n"));
@@ -1424,7 +1420,6 @@ void CMDHandler(struct rt_rtmp_adapter *pAd)
 							pAd->PendingRx = 0;
 						}
 					}
-
 					/* Wait 10ms before reading register. */
 					RTMPusecDelay(10000);
 					ntStatus =

From d24e449762facabfb00e4095247f4f027a73caf3 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:46 +0100
Subject: [PATCH 0807/3638] Staging: rt2870:: rtusb_bulk.c: Checkpatch cleanup

drivers/staging/rt2870/common/rtusb_bulk.c:45: ERROR: that open brace { should be on the previous line
drivers/staging/rt2870/common/rtusb_bulk.c:175: ERROR: space required before the open parenthesis '('
drivers/staging/rt2870/common/rtusb_bulk.c:179: ERROR: space required before the open parenthesis '('
drivers/staging/rt2870/common/rtusb_bulk.c:190: ERROR: "foo * bar" should be "foo *bar"
drivers/staging/rt2870/common/rtusb_bulk.c:276: ERROR: space prohibited after that '&' (ctx:VxW)
drivers/staging/rt2870/common/rtusb_bulk.c:278: ERROR: space prohibited after that '&' (ctx:WxW)
drivers/staging/rt2870/common/rtusb_bulk.c:313: ERROR: space prohibited before that close parenthesis ')'
drivers/staging/rt2870/common/rtusb_bulk.c:329: WARNING: __func__ should be used instead of gcc specific __FUNCTION__
drivers/staging/rt2870/common/rtusb_bulk.c:337: ERROR: space prohibited after that '&' (ctx:VxW)
drivers/staging/rt2870/common/rtusb_bulk.c:404: WARNING: braces {} are not necessary for single statement blocks
drivers/staging/rt2870/common/rtusb_bulk.c:952: WARNING: braces {} are not necessary for single statement blocks
drivers/staging/rt2870/common/rtusb_bulk.c:1017: WARNING: braces {} are not necessary for single statement blocks

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2870/common/rtusb_bulk.c | 27 ++++++++++------------
 1 file changed, 12 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/rt2870/common/rtusb_bulk.c b/drivers/staging/rt2870/common/rtusb_bulk.c
index 379780c72b3..625b872eccc 100644
--- a/drivers/staging/rt2870/common/rtusb_bulk.c
+++ b/drivers/staging/rt2870/common/rtusb_bulk.c
@@ -172,11 +172,11 @@ void RTUSBInitRxDesc(struct rt_rtmp_adapter *pAd, struct rt_rx_context *pRxConte
 */
 
 #define BULK_OUT_LOCK(pLock, IrqFlags)	\
-		if(1 /*!(in_interrupt() & 0xffff0000)*/)	\
+		if (1 /*!(in_interrupt() & 0xffff0000)*/)	\
 			RTMP_IRQ_LOCK((pLock), IrqFlags);
 
 #define BULK_OUT_UNLOCK(pLock, IrqFlags)	\
-		if(1 /*!(in_interrupt() & 0xffff0000)*/)	\
+		if (1 /*!(in_interrupt() & 0xffff0000)*/)	\
 			RTMP_IRQ_UNLOCK((pLock), IrqFlags);
 
 void RTUSBBulkOutDataPacket(struct rt_rtmp_adapter *pAd,
@@ -187,7 +187,7 @@ void RTUSBBulkOutDataPacket(struct rt_rtmp_adapter *pAd,
 	PURB pUrb;
 	int ret = 0;
 	struct rt_txinfo *pTxInfo, *pLastTxInfo = NULL;
-	struct rt_txwi * pTxWI;
+	struct rt_txwi *pTxWI;
 	unsigned long TmpBulkEndPos, ThisBulkSize;
 	unsigned long IrqFlags = 0, IrqFlags2 = 0;
 	u8 *pWirelessPkt, *pAppendant;
@@ -273,9 +273,9 @@ void RTUSBBulkOutDataPacket(struct rt_rtmp_adapter *pAd,
 	}
 
 	do {
-		pTxInfo = (struct rt_txinfo *)& pWirelessPkt[TmpBulkEndPos];
+		pTxInfo = (struct rt_txinfo *)&pWirelessPkt[TmpBulkEndPos];
 		pTxWI =
-		    (struct rt_txwi *) & pWirelessPkt[TmpBulkEndPos + TXINFO_SIZE];
+			(struct rt_txwi *)&pWirelessPkt[TmpBulkEndPos + TXINFO_SIZE];
 
 		if (pAd->bForcePrintTX == TRUE)
 			DBGPRINT(RT_DEBUG_TRACE,
@@ -310,7 +310,7 @@ void RTUSBBulkOutDataPacket(struct rt_rtmp_adapter *pAd,
 				pHTTXContext->ENextBulkOutPosition =
 				    TmpBulkEndPos;
 				break;
-			} else if (((pAd->BulkOutMaxPacketSize < 512) && ((ThisBulkSize & 0xfffff800) != 0)) /*|| ( (ThisBulkSize != 0)  && (pTxWI->AMPDU == 0)) */ ) {	/* For USB 1.1 or peer which didn't support AMPDU, limit the BulkOut size. */
+			} else if (((pAd->BulkOutMaxPacketSize < 512) && ((ThisBulkSize & 0xfffff800) != 0)) /*|| ( (ThisBulkSize != 0)  && (pTxWI->AMPDU == 0)) */) {	/* For USB 1.1 or peer which didn't support AMPDU, limit the BulkOut size. */
 				/* For performence in b/g mode, now just check for USB 1.1 and didn't care about the APMDU or not! 2008/06/04. */
 				pHTTXContext->ENextBulkOutPosition =
 				    TmpBulkEndPos;
@@ -326,7 +326,7 @@ void RTUSBBulkOutDataPacket(struct rt_rtmp_adapter *pAd,
 		if (pTxInfo->QSEL != FIFO_EDCA) {
 			DBGPRINT(RT_DEBUG_ERROR,
 				 ("%s(): ====> pTxInfo->QueueSel(%d)!= FIFO_EDCA!!!!\n",
-				  __FUNCTION__, pTxInfo->QSEL));
+				  __func__, pTxInfo->QSEL));
 			DBGPRINT(RT_DEBUG_ERROR,
 				 ("\tCWPos=%ld, NBPos=%ld, ENBPos=%ld, bCopy=%d!\n",
 				  pHTTXContext->CurWritePosition,
@@ -334,7 +334,7 @@ void RTUSBBulkOutDataPacket(struct rt_rtmp_adapter *pAd,
 				  pHTTXContext->ENextBulkOutPosition,
 				  pHTTXContext->bCopySavePad));
 			hex_dump("Wrong QSel Pkt:",
-				 (u8 *)& pWirelessPkt[TmpBulkEndPos],
+				 (u8 *)&pWirelessPkt[TmpBulkEndPos],
 				 (pHTTXContext->CurWritePosition -
 				  pHTTXContext->NextBulkOutPosition));
 		}
@@ -401,9 +401,8 @@ void RTUSBBulkOutDataPacket(struct rt_rtmp_adapter *pAd,
 	} while (TRUE);
 
 	/* adjust the pTxInfo->USBDMANextVLD value of last pTxInfo. */
-	if (pLastTxInfo) {
+	if (pLastTxInfo)
 		pLastTxInfo->USBDMANextVLD = 0;
-	}
 
 	/*
 	   We need to copy SavedPad when following condition matched!
@@ -949,9 +948,8 @@ void RTUSBKickBulkOut(struct rt_rtmp_adapter *pAd)
 	if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NEED_STOP_TX)
 	    ) {
 		/* 2. PS-Poll frame is next */
-		if (RTUSB_TEST_BULK_FLAG(pAd, fRTUSB_BULK_OUT_PSPOLL)) {
+		if (RTUSB_TEST_BULK_FLAG(pAd, fRTUSB_BULK_OUT_PSPOLL))
 			RTUSBBulkOutPsPoll(pAd);
-		}
 		/* 5. Mlme frame is next */
 		else if ((RTUSB_TEST_BULK_FLAG(pAd, fRTUSB_BULK_OUT_MLME)) ||
 			 (pAd->MgmtRing.TxSwFreeIdx < MGMT_RING_SIZE)) {
@@ -1014,9 +1012,8 @@ void RTUSBKickBulkOut(struct rt_rtmp_adapter *pAd)
 			}
 		}
 		/* 8. No data avaliable */
-		else {
-
-		}
+		else
+			;
 	}
 }
 

From e67fdbc3ed1522c2594bf5040eaaeed5027e8ccb Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:47 +0100
Subject: [PATCH 0808/3638] Staging: asus_oled: asus_oled.c: Checkpatch cleanup

drivers/staging/asus_oled/asus_oled.c:774: ERROR: code indent should use tabs where possible

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/asus_oled/asus_oled.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index 7ebecc92c61..5b279fb30f3 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -771,7 +771,7 @@ static struct usb_driver oled_driver = {
 };
 
 static CLASS_ATTR_STRING(version, S_IRUGO,
-		 	ASUS_OLED_UNDERSCORE_NAME " " ASUS_OLED_VERSION);
+			ASUS_OLED_UNDERSCORE_NAME " " ASUS_OLED_VERSION);
 
 static int __init asus_oled_init(void)
 {

From adc6ffc073274770e08e15e65bca4a2ee042170f Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:48 +0100
Subject: [PATCH 0809/3638] Staging: otus: hpfwuinit.c: Checkpatch cleanup

drivers/staging/otus/hal/hpfwuinit.c:240: ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpfwuinit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/otus/hal/hpfwuinit.c b/drivers/staging/otus/hal/hpfwuinit.c
index ed80ffafaff..5d0dccca080 100644
--- a/drivers/staging/otus/hal/hpfwuinit.c
+++ b/drivers/staging/otus/hal/hpfwuinit.c
@@ -237,4 +237,4 @@ const u32_t zcFwImage[] = {
 0x45485441, 0x38731652, 0x89ACFF91, 0xEE55D178,
 0xEE000D0A, };
 
-const u32_t zcFwImageSize=3508;
+const u32_t zcFwImageSize = 3508;

From 0637fd67093c9dcad988e79445b262f4a0c5d585 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:49 +0100
Subject: [PATCH 0810/3638] Staging: otus: hpfwu.c: Checkpatch cleanup

drivers/staging/otus/hal/hpfwu.c:1017: ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpfwu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/otus/hal/hpfwu.c b/drivers/staging/otus/hal/hpfwu.c
index 2b77cbacc6d..68fabef180a 100644
--- a/drivers/staging/otus/hal/hpfwu.c
+++ b/drivers/staging/otus/hal/hpfwu.c
@@ -1014,4 +1014,4 @@ const u32_t zcFwImage[] = {
 0x00000000, 0x00000000, 0x00000000, 0x00000000,
 };
 
-const u32_t zcFwImageSize=15936;
+const u32_t zcFwImageSize = 15936;

From 52628626dfcb996a5d12996a15255fbe970d6e6e Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:50 +0100
Subject: [PATCH 0811/3638] Staging: otus: hpfwu_2k.c: Checkpatch cleanup

drivers/staging/otus/hal/hpfwu_2k.c:1016: ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpfwu_2k.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/otus/hal/hpfwu_2k.c b/drivers/staging/otus/hal/hpfwu_2k.c
index 94e2caca536..b675d6d556b 100644
--- a/drivers/staging/otus/hal/hpfwu_2k.c
+++ b/drivers/staging/otus/hal/hpfwu_2k.c
@@ -1013,4 +1013,4 @@ const u32_t zcFwImage[] = {
 0x00000000, 0x00000000, 0x00000000, 0x00000000,
 0x00000000, 0x00000000, };
 
-const u32_t zcFwImageSize=15928;
+const u32_t zcFwImageSize = 15928;

From ecd9fe1deddaf0cc0b8e6625659ad7e368ab5557 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:51 +0100
Subject: [PATCH 0812/3638] Staging: otus: hpani.h: Checkpatch cleanup

drivers/staging/otus/hal/hpani.h:102: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpani.h:356: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpani.h:395: ERROR: do not use C99 // comments

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpani.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/otus/hal/hpani.h b/drivers/staging/otus/hal/hpani.h
index 96e69af3c68..b89241371ab 100644
--- a/drivers/staging/otus/hal/hpani.h
+++ b/drivers/staging/otus/hal/hpani.h
@@ -99,8 +99,8 @@ typedef enum {
 	ZM_HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
 } ZM_HAL_ANI_CMD;
 
-#define AR_PHY_COUNTMAX        (3 << 22)         // Max counted before intr
-#define ZM_HAL_PROCESS_ANI     0x00000001  /* ANI state setup */
+#define AR_PHY_COUNTMAX		(3 << 22)	/* Max counted before intr */
+#define ZM_HAL_PROCESS_ANI	0x00000001	/* ANI state setup */
 #define ZM_RSSI_DUMMY_MARKER	0x127
 
 /* PHY registers in ar5416, related base and register offsets
@@ -353,7 +353,7 @@ typedef enum {
 #define AR_PHY_CCK_DETECT                           0x1C6208
 #define AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK          0x0000003F
 #define AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK_S        0
-#define AR_PHY_CCK_DETECT_ANT_SWITCH_TIME           0x00001FC0 // [12:6] settling time for antenna switch
+#define AR_PHY_CCK_DETECT_ANT_SWITCH_TIME           0x00001FC0 /* [12:6] settling time for antenna switch */
 #define AR_PHY_CCK_DETECT_ANT_SWITCH_TIME_S         6
 #define AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV    0x2000
 
@@ -392,7 +392,6 @@ typedef enum {
 #define AR_PHY_TPCRG1_PD_GAIN_2_S  18
 #define AR_PHY_TPCRG1_PD_GAIN_3    0x00300000
 #define AR_PHY_TPCRG1_PD_GAIN_3_S  20
-//
 
 #define AR_PHY_ANALOG_SWAP      0xa268
 #define AR_PHY_SWAP_ALT_CHAIN   0x00000040

From 979315513e65efd1f4b7f57726d98fea99eb5094 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:52 +0100
Subject: [PATCH 0813/3638] Staging: otus: hpfwu_OTUS_RC.c: Checkpatch cleanup

drivers/staging/otus/hal/hpfwu_OTUS_RC.c:715: ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpfwu_OTUS_RC.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/otus/hal/hpfwu_OTUS_RC.c b/drivers/staging/otus/hal/hpfwu_OTUS_RC.c
index 089d3e0ad85..accbec4369f 100644
--- a/drivers/staging/otus/hal/hpfwu_OTUS_RC.c
+++ b/drivers/staging/otus/hal/hpfwu_OTUS_RC.c
@@ -712,4 +712,4 @@ const u32_t zcFwImage[] = {
 0x00000000, 0x00000000, 0x00000000, 0x00000000,
 };
 
-const u32_t zcFwImageSize=11104;
+const u32_t zcFwImageSize = 11104;

From 86f3b1a8e601098066222a63f0e17d5fbe7ab5bf Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:53 +0100
Subject: [PATCH 0814/3638] Staging: otus: hpfw2.c: Checkpatch cleanup

drivers/staging/otus/hal/hpfw2.c:1018: ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpfw2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/otus/hal/hpfw2.c b/drivers/staging/otus/hal/hpfw2.c
index baceb029976..17f405b5db1 100644
--- a/drivers/staging/otus/hal/hpfw2.c
+++ b/drivers/staging/otus/hal/hpfw2.c
@@ -1015,4 +1015,4 @@ const u32_t zcP2FwImage[] = {
 0x00000000, 0x00000000, 0x00000000, 0x00000000,
 0x00000000, 0x00000000, 0x00000000, };
 
-const u32_t zcP2FwImageSize=15964;
+const u32_t zcP2FwImageSize = 15964;

From 91cc53b0c78596a73fa708cceb7313e7168bb146 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:54 +0100
Subject: [PATCH 0815/3638] Staging: otus: hpreg.c: Checkpatch cleanup

drivers/staging/otus/hal/hpreg.c:33: WARNING: space prohibited between function name and open parenthesis '('
drivers/staging/otus/hal/hpreg.c:33: WARNING: space prohibited between function name and open parenthesis '('
drivers/staging/otus/hal/hpreg.c:38: CHECK: if this code is redundant consider removing it
drivers/staging/otus/hal/hpreg.c:81: ERROR: need consistent spacing around '|' (ctx:VxW)
drivers/staging/otus/hal/hpreg.c:96: ERROR: Macros with multiple statements should be enclosed in a do - while loop
drivers/staging/otus/hal/hpreg.c:98: CHECK: if this code is redundant consider removing it
drivers/staging/otus/hal/hpreg.c:275: ERROR: need consistent spacing around '|' (ctx:WxV)
drivers/staging/otus/hal/hpreg.c:304: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:362: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:376: ERROR: "foo*		bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:377: ERROR: "foo*		bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:402: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:402: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:413: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:413: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:434: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:496: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:497: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:501: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:526: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:529: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:531: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:539: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:539: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:544: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:663: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1335: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1336: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1345: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1345: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1346: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1346: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1347: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1347: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1355: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1356: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1357: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1357: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1365: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1366: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1367: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1367: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1375: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1376: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1377: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1377: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1378: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1378: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1387: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1387: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1388: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1388: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1395: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1396: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1397: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1397: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1398: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1398: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1398: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1398: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1405: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1406: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1407: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1407: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1408: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1408: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1415: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1415: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1415: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1415: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1416: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1416: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1416: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1416: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1416: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1416: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1432: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1432: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1432: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1435: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1435: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1435: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1436: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1436: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1436: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1442: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1442: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1442: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1445: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1445: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1445: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1446: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1446: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1446: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1455: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1455: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1455: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1455: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1456: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1456: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1456: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1456: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1456: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1456: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1465: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1465: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1465: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1465: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1466: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1466: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1466: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1466: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1466: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1466: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1475: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1475: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1475: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1475: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1476: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1476: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1476: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1476: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1476: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1476: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1476: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1476: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1485: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1485: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1485: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1485: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1485: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1486: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1486: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1486: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1486: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1486: ERROR: space required before that '-' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1557: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1558: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1560: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1560: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1560: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1560: ERROR: spaces required around that '<' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1560: ERROR: spaces required around that '&&' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1562: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1568: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1574: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1579: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1590: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1590: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1590: ERROR: space required after that ';' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1590: ERROR: spaces required around that '<' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1592: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1594: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1613: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1613: ERROR: spaces required around that '<' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1635: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:1639: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1639: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1640: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:1643: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1647: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1647: WARNING: suspect code indent for conditional statements (8, 8)
drivers/staging/otus/hal/hpreg.c:1649: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1652: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1652: WARNING: suspect code indent for conditional statements (8, 8)
drivers/staging/otus/hal/hpreg.c:1654: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1657: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1659: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1660: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1662: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1662: ERROR: else should follow close brace '}'
drivers/staging/otus/hal/hpreg.c:1664: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1671: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1674: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1675: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1676: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1676: ERROR: space required after that ',' (ctx:VxO)
drivers/staging/otus/hal/hpreg.c:1676: ERROR: space required before that '*' (ctx:OxV)
drivers/staging/otus/hal/hpreg.c:1676: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1678: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1681: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1682: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1682: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1683: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1684: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1685: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1686: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1687: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1690: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1692: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1693: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1694: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1695: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1695: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1696: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1696: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1697: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1697: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1698: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1698: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1699: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1700: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1700: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1701: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1702: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1702: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1703: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1706: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1707: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1708: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1710: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1711: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1712: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1713: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1714: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1714: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1717: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1719: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1720: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1721: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1722: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1722: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1723: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1723: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1724: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1724: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1725: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1725: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1726: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1726: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1727: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1728: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1728: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1729: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1730: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1730: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1731: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1734: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1735: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1735: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1736: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1737: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1738: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1739: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1740: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1743: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1744: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1744: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1745: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1746: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1747: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1748: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1749: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1752: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1755: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1755: WARNING: suspect code indent for conditional statements (16, 20)
drivers/staging/otus/hal/hpreg.c:1757: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1759: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1760: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1760: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1761: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1762: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1762: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1763: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1764: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1766: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1766: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1767: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1767: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1767: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:1767: ERROR: space prohibited before that close parenthesis ')'
drivers/staging/otus/hal/hpreg.c:1768: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1769: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1770: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1772: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1772: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1772: ERROR: space required after that ';' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1772: ERROR: spaces required around that '<' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1774: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1774: ERROR: space required after that ',' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1778: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1779: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1780: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1781: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1781: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1786: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1786: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1787: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1787: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1787: ERROR: spaces required around that '==' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1788: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1789: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1789: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1789: ERROR: space prohibited after that open parenthesis '('
drivers/staging/otus/hal/hpreg.c:1789: ERROR: space prohibited before that close parenthesis ')'
drivers/staging/otus/hal/hpreg.c:1789: ERROR: space required before the open parenthesis '('
drivers/staging/otus/hal/hpreg.c:1790: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1791: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1792: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1793: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1794: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1795: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1796: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1797: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1798: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1799: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1799: WARNING: suspect code indent for conditional statements (40, 44)
drivers/staging/otus/hal/hpreg.c:1805: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1807: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1809: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1811: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1814: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1816: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1817: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1820: ERROR: space required before the open parenthesis '('
drivers/staging/otus/hal/hpreg.c:1821: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1826: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1837: CHECK: if this code is redundant consider removing it
drivers/staging/otus/hal/hpreg.c:1839: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1840: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1841: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1842: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1843: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1845: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1845: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1845: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:1845: ERROR: spaces required around that '=' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1845: ERROR: spaces required around that '<' (ctx:VxV)
drivers/staging/otus/hal/hpreg.c:1846: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1847: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1848: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1849: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1850: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1851: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1852: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1853: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1854: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1861: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:1863: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1871: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:1874: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1881: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1883: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1883: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1883: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:1884: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1885: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1887: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1887: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1888: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1888: ERROR: "(foo*)" should be "(foo *)"
drivers/staging/otus/hal/hpreg.c:1890: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1890: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1892: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1892: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1893: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1894: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1894: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1896: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1897: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1898: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1899: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1904: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:1908: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1909: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1915: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1916: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1917: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1917: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1919: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1920: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1922: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1922: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1923: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1923: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1923: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:1924: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1925: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1925: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1926: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1926: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1928: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1930: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1930: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1931: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1932: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1933: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1935: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1935: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1936: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1936: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1937: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1937: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1938: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1938: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1939: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1939: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1940: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1940: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1941: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1941: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1942: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1942: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1943: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1943: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1944: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1944: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1945: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1945: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1946: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1946: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1947: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1947: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1948: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1948: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1949: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1949: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1950: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1950: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1951: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1951: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1952: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1952: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1953: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1953: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1954: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1954: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1955: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1955: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1956: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1956: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1957: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1957: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1958: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1958: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1959: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1959: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1960: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1960: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1961: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1961: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1962: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1962: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1963: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1963: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1964: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1964: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1965: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1965: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1966: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1966: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1967: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1967: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1968: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1968: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1969: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1969: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1970: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1970: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1971: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1971: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1973: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1974: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1976: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:1980: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:1984: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1986: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1986: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:1986: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:1987: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1988: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1989: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:1995: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2003: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2005: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2005: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2005: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2006: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2007: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2008: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2009: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2032: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2035: ERROR: space required after that close brace '}'
drivers/staging/otus/hal/hpreg.c:2039: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2041: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2041: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2042: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2045: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2047: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2048: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2050: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2050: ERROR: else should follow close brace '}'
drivers/staging/otus/hal/hpreg.c:2052: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2055: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2057: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2057: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2057: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2058: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2059: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2060: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2061: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2061: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2062: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2063: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2064: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2065: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2066: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2067: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2073: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2079: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2081: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2081: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2082: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2085: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2085: ERROR: space prohibited after that open parenthesis '('
drivers/staging/otus/hal/hpreg.c:2087: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2087: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2087: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2088: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2089: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2090: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2091: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2093: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2093: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2094: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2094: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2096: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2098: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2098: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2098: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2099: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2100: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2101: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2102: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2103: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2105: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2111: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2117: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2119: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2119: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2120: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2120: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2120: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2121: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2122: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2123: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2124: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2127: ERROR: return is not a function, parentheses are not required
drivers/staging/otus/hal/hpreg.c:2130: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2140: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2142: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2142: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2143: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2143: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2143: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2144: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2145: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2146: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2147: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2152: ERROR: return is not a function, parentheses are not required
drivers/staging/otus/hal/hpreg.c:2155: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2160: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2162: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2162: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2162: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2163: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2164: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2165: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2171: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2181: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2183: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2183: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2183: WARNING: suspect code indent for conditional statements (8, 12)
drivers/staging/otus/hal/hpreg.c:2184: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2185: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2185: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2186: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2187: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2187: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2187: WARNING: suspect code indent for conditional statements (16, 20)
drivers/staging/otus/hal/hpreg.c:2188: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2189: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2190: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2191: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2192: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2193: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2193: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2193: ERROR: else should follow close brace '}'
drivers/staging/otus/hal/hpreg.c:2194: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2195: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2195: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2195: WARNING: suspect code indent for conditional statements (16, 20)
drivers/staging/otus/hal/hpreg.c:2196: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2197: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2198: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2199: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2200: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2201: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2212: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2216: ERROR: that open brace { should be on the previous line
drivers/staging/otus/hal/hpreg.c:2218: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2219: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2220: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2221: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2222: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2223: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2224: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2225: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2226: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2227: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2228: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2229: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2230: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2231: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2232: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2233: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2234: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2235: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2235: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2236: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2238: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2239: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2239: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2240: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2242: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2243: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2244: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2245: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2246: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2247: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2248: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2249: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2250: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2251: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2252: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2253: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2254: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2255: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2256: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2257: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2258: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2259: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2260: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2260: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2261: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2263: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2264: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2265: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2266: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2267: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2268: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2269: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2270: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2271: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2272: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2273: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2274: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2275: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2276: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2277: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2278: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2279: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2280: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2281: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2282: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2283: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2284: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2285: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2286: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2287: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2288: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2289: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2290: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2291: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2292: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2293: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2294: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2295: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2296: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2297: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2298: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2299: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2300: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2301: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2302: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2303: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2304: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2305: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2306: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2307: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2308: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2309: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2310: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2311: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2312: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2313: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2314: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2315: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2316: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2317: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2318: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2319: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2320: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2321: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2322: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2323: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2324: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2325: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2326: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2327: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2328: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2329: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2330: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2331: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2332: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2332: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2333: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2335: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2336: ERROR: code indent should use tabs where possible
drivers/staging/otus/hal/hpreg.c:2338: ERROR: do not use C99 // comments
drivers/staging/otus/hal/hpreg.c:2343: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2345: ERROR: "foo* bar" should be "foo *bar"
drivers/staging/otus/hal/hpreg.c:2348: ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpreg.c | 1512 ++++++++++++++----------------
 1 file changed, 717 insertions(+), 795 deletions(-)

diff --git a/drivers/staging/otus/hal/hpreg.c b/drivers/staging/otus/hal/hpreg.c
index 178777c09db..da3b7743387 100644
--- a/drivers/staging/otus/hal/hpreg.c
+++ b/drivers/staging/otus/hal/hpreg.c
@@ -30,7 +30,7 @@
 #include "hpusb.h"
 
 /* used throughout this file... */
-#define	N(a)	(sizeof (a) / sizeof (a[0]))
+#define	N(a)	(sizeof(a) / sizeof(a[0]))
 
 #define HAL_MODE_11A_TURBO	HAL_MODE_108A
 #define HAL_MODE_11G_TURBO	HAL_MODE_108G
@@ -78,7 +78,7 @@ enum {
 };
 
 #define MKK5GHZ_FLAG1 (DISALLOW_ADHOC_11A_TURB | NEED_NFC | LIMIT_FRAME_4MS)
-#define MKK5GHZ_FLAG2 (DISALLOW_ADHOC_11A | DISALLOW_ADHOC_11A_TURB | NEED_NFC| LIMIT_FRAME_4MS)
+#define MKK5GHZ_FLAG2 (DISALLOW_ADHOC_11A | DISALLOW_ADHOC_11A_TURB | NEED_NFC | LIMIT_FRAME_4MS)
 
 typedef enum {
 	DFS_UNINIT_DOMAIN	= 0,	/* Uninitialized dfs domain */
@@ -272,7 +272,7 @@ static REG_DMN_PAIR_MAPPING regDomainPairs[] = {
 	/* MKK4 */
 	{MKK4_MKKB,     MKK4,		MKKA,		MKK5GHZ_FLAG2, NEED_NFC, PSCAN_MKK3 | PSCAN_MKKA | PSCAN_MKKA_G, CTRY_JAPAN10 },
 	{MKK4_MKKA1,    MKK4,		MKKA,		MKK5GHZ_FLAG1, NEED_NFC, PSCAN_MKK3 | PSCAN_MKKA1 | PSCAN_MKKA1_G, CTRY_JAPAN28 },
-	{MKK4_MKKA2,    MKK4,		MKKA,		MKK5GHZ_FLAG1, NEED_NFC, PSCAN_MKK3 |PSCAN_MKKA2 | PSCAN_MKKA2_G, CTRY_JAPAN11 },
+	{MKK4_MKKA2,    MKK4,		MKKA,		MKK5GHZ_FLAG1, NEED_NFC, PSCAN_MKK3 | PSCAN_MKKA2 | PSCAN_MKKA2_G, CTRY_JAPAN11 },
 	{MKK4_MKKC,     MKK4,		MKKC,		MKK5GHZ_FLAG1, NEED_NFC, PSCAN_MKK3, CTRY_JAPAN12 },
 	{MKK4_FCCA,     MKK4,		FCCA,		MKK5GHZ_FLAG1, NEED_NFC, NO_PSCAN, CTRY_JAPAN29 },
 	{MKK4_MKKA,     MKK4,		MKKA,		MKK5GHZ_FLAG1, NEED_NFC, PSCAN_MKK3 | PSCAN_MKKA, CTRY_JAPAN36 },
@@ -301,7 +301,7 @@ static REG_DMN_PAIR_MAPPING regDomainPairs[] = {
 	{MKK8_MKKA2,    MKK8,		MKKA,		MKK5GHZ_FLAG1, NEED_NFC, PSCAN_MKK1 | PSCAN_MKK3 | PSCAN_MKKA2 | PSCAN_MKKA2_G, CTRY_JAPAN23 },
 	{MKK8_MKKC,     MKK8,		MKKC,		MKK5GHZ_FLAG1, NEED_NFC, PSCAN_MKK1 | PSCAN_MKK3 , CTRY_JAPAN24 },
 
-   	/* MKK9 */
+	/* MKK9 */
 	{MKK9_MKKA,     MKK9,		MKKA,		MKK5GHZ_FLAG1, NEED_NFC, NO_PSCAN, CTRY_JAPAN34 },
 	{MKK9_FCCA,     MKK9,		FCCA,		MKK5GHZ_FLAG1, NEED_NFC, NO_PSCAN, CTRY_JAPAN37 },
 	{MKK9_MKKA1,    MKK9,		MKKA,		MKK5GHZ_FLAG1, NEED_NFC, PSCAN_MKKA1 | PSCAN_MKKA1_G, CTRY_JAPAN38 },
@@ -359,7 +359,7 @@ static REG_DMN_PAIR_MAPPING regDomainPairs[] = {
 #define	COUNTRY_CODE_MASK	0x03ff
 #define CF_INTERFERENCE		(CHANNEL_CW_INT | CHANNEL_RADAR_INT)
 #define CHANNEL_14		(2484)	/* 802.11g operation is not permitted on channel 14 */
-#define IS_11G_CH14(_ch,_cf) \
+#define IS_11G_CH14(_ch, _cf) \
 	(((_ch) == CHANNEL_14) && ((_cf) == CHANNEL_G))
 
 #define	YES	TRUE
@@ -373,183 +373,183 @@ enum {
 typedef struct {
 	HAL_CTRY_CODE	countryCode;
 	HAL_REG_DOMAIN	regDmnEnum;
-	const char*		isoName;
-	const char*		name;
+	const char		*isoName;
+	const char		*name;
 	HAL_BOOL		allow11g;
 	HAL_BOOL		allow11aTurbo;
 	HAL_BOOL		allow11gTurbo;
-    HAL_BOOL        allow11na;      /* HT-40 allowed in 5GHz? */
-    HAL_BOOL        allow11ng;      /* HT-40 allowed in 2GHz? */
+	HAL_BOOL	allow11na;      /* HT-40 allowed in 5GHz? */
+	HAL_BOOL	allow11ng;      /* HT-40 allowed in 2GHz? */
 	u16_t		outdoorChanStart;
 } COUNTRY_CODE_TO_ENUM_RD;
 
 static COUNTRY_CODE_TO_ENUM_RD allCountries[] = {
-    {CTRY_DEBUG,       NO_ENUMRD,     "DB", "DEBUG",          YES, YES, YES, YES, YES, 7000 },
-    {CTRY_DEFAULT,     DEF_REGDMN,    "NA", "NO_COUNTRY_SET", YES, YES, YES, YES, YES, 7000 },
-    {CTRY_ALBANIA,     NULL1_WORLD,   "AL", "ALBANIA",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_ALGERIA,     NULL1_WORLD,   "DZ", "ALGERIA",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_ARGENTINA,   APL3_WORLD,    "AR", "ARGENTINA",      YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_ARMENIA,     ETSI4_WORLD,   "AM", "ARMENIA",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_AUSTRALIA,   FCC6_WORLD,    "AU", "AUSTRALIA",      YES, YES, YES, YES, YES, 7000 },
-    {CTRY_AUSTRIA,     ETSI2_WORLD,   "AT", "AUSTRIA",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_AZERBAIJAN,  ETSI4_WORLD,   "AZ", "AZERBAIJAN",     YES, YES, YES, YES, YES, 7000 },
-    {CTRY_BAHRAIN,     APL6_WORLD,    "BH", "BAHRAIN",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_BELARUS,     ETSI1_WORLD,   "BY", "BELARUS",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_BELGIUM,     ETSI1_WORLD,   "BE", "BELGIUM",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_BELIZE,      APL1_ETSIC,    "BZ", "BELIZE",         YES, YES, YES, YES, YES, 7000 },
-    {CTRY_BOLIVIA,     APL1_ETSIC,    "BO", "BOLVIA",         YES, YES, YES, YES, YES, 7000 },
-    {CTRY_BRAZIL,      FCC3_WORLD,    "BR", "BRAZIL",         NO,  NO,  NO,  NO,  NO,  7000 },
-    {CTRY_BRUNEI_DARUSSALAM,APL1_WORLD,"BN", "BRUNEI DARUSSALAM", YES, YES, YES,  YES, YES, 7000 },
-    {CTRY_BULGARIA,    ETSI6_WORLD,   "BG", "BULGARIA",       YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_CANADA,      FCC6_FCCA,     "CA", "CANADA",         YES, YES, YES, YES, YES, 7000 },
-    {CTRY_CHILE,       APL6_WORLD,    "CL", "CHILE",          YES, YES, YES, YES, YES, 7000 },
-    {CTRY_CHINA,       APL1_WORLD,    "CN", "CHINA",          YES, YES, YES, YES, YES, 7000 },
-    {CTRY_COLOMBIA,    FCC1_FCCA,     "CO", "COLOMBIA",       YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_COSTA_RICA,  FCC1_WORLD,    "CR", "COSTA RICA",     YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_CROATIA,     ETSI3_WORLD,   "HR", "CROATIA",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_CYPRUS,      ETSI3_WORLD,   "CY", "CYPRUS",         YES, YES, YES, YES, YES, 7000 },
-    {CTRY_CZECH,       ETSI3_WORLD,   "CZ", "CZECH REPUBLIC", YES, NO, YES,  YES, YES, 7000 },
-    {CTRY_DENMARK,     ETSI1_WORLD,   "DK", "DENMARK",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_DOMINICAN_REPUBLIC,FCC1_FCCA,"DO", "DOMINICAN REPUBLIC", YES, YES, YES, YES, YES, 7000 },
-    {CTRY_ECUADOR,     FCC1_WORLD,    "EC", "ECUADOR",        YES, NO,  NO,  NO,  YES, 7000 },
-    {CTRY_EGYPT,       ETSI3_WORLD,   "EG", "EGYPT",          YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_EL_SALVADOR, FCC1_WORLD,    "SV", "EL SALVADOR",    YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_ESTONIA,     ETSI1_WORLD,   "EE", "ESTONIA",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_FINLAND,     ETSI1_WORLD,   "FI", "FINLAND",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_FRANCE,      ETSI1_WORLD,   "FR", "FRANCE",         YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_FRANCE2,     ETSI3_WORLD,   "F2", "FRANCE_RES",     YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_GEORGIA,     ETSI4_WORLD,   "GE", "GEORGIA",        YES, YES, YES, YES, YES, 7000 },
-    {CTRY_GERMANY,     ETSI1_WORLD,   "DE", "GERMANY",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_GREECE,      ETSI1_WORLD,   "GR", "GREECE",         YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_GUATEMALA,   FCC1_FCCA,     "GT", "GUATEMALA",      YES, YES, YES, YES, YES, 7000 },
-    {CTRY_HONDURAS,    NULL1_WORLD,   "HN", "HONDURAS",       YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_HONG_KONG,   FCC2_WORLD,    "HK", "HONG KONG",      YES, YES, YES, YES, YES, 7000 },
-    {CTRY_HUNGARY,     ETSI4_WORLD,   "HU", "HUNGARY",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_ICELAND,     ETSI1_WORLD,   "IS", "ICELAND",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_INDIA,       APL6_WORLD,    "IN", "INDIA",          YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_INDONESIA,   APL1_WORLD,    "ID", "INDONESIA",      YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_IRAN,        APL1_WORLD,    "IR", "IRAN",           YES, YES, YES, YES, YES, 7000 },
-    {CTRY_IRELAND,     ETSI1_WORLD,   "IE", "IRELAND",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_ISRAEL,      ETSI3_WORLD,   "IL", "ISRAEL",         YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_ISRAEL2,     NULL1_ETSIB,   "ISR","ISRAEL_RES",     YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_ITALY,       ETSI1_WORLD,   "IT", "ITALY",          YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_JAMAICA,     ETSI1_WORLD,   "JM", "JAMAICA",        YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_JAPAN,       MKK1_MKKA,     "JP", "JAPAN",          YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN1,      MKK1_MKKB,     "J1", "JAPAN1",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN2,      MKK1_FCCA,     "J2", "JAPAN2",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN3,      MKK2_MKKA,     "J3", "JAPAN3",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN4,      MKK1_MKKA1,    "J4", "JAPAN4",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN5,      MKK1_MKKA2,    "J5", "JAPAN5",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN6,      MKK1_MKKC,     "J6", "JAPAN6",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN7,      MKK3_MKKB,     "J7", "JAPAN7",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN8,      MKK3_MKKA2,    "J8", "JAPAN8",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN9,      MKK3_MKKC,     "J9", "JAPAN9",         YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN10,     MKK4_MKKB,     "J10", "JAPAN10",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN11,     MKK4_MKKA2,    "J11", "JAPAN11",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN12,     MKK4_MKKC,     "J12", "JAPAN12",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN13,     MKK5_MKKB,     "J13", "JAPAN13",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN14,     MKK5_MKKA2,    "J14", "JAPAN14",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN15,     MKK5_MKKC,     "J15", "JAPAN15",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN16,     MKK6_MKKB,     "J16", "JAPAN16",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN17,     MKK6_MKKA2,    "J17", "JAPAN17",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN18,     MKK6_MKKC,     "J18", "JAPAN18",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN19,     MKK7_MKKB,     "J19", "JAPAN19",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN20,     MKK7_MKKA,     "J20", "JAPAN20",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN21,     MKK7_MKKC,     "J21", "JAPAN21",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN22,     MKK8_MKKB,     "J22", "JAPAN22",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN23,     MKK8_MKKA2,    "J23", "JAPAN23",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN24,     MKK8_MKKC,     "J24", "JAPAN24",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN25,     MKK3_MKKA,     "J25", "JAPAN25",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN26,     MKK3_MKKA1,    "J26", "JAPAN26",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN27,     MKK3_FCCA,     "J27", "JAPAN27",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN28,     MKK4_MKKA1,    "J28", "JAPAN28",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN29,     MKK4_FCCA,     "J29", "JAPAN29",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN30,     MKK6_MKKA1,    "J30", "JAPAN30",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN31,     MKK6_FCCA,     "J31", "JAPAN31",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN32,     MKK7_MKKA1,    "J32", "JAPAN32",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN33,     MKK7_FCCA,     "J33", "JAPAN33",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN34,     MKK9_MKKA,     "J34", "JAPAN34",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN35,     MKK10_MKKA,    "J35", "JAPAN35",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN36,     MKK4_MKKA,     "J36", "JAPAN36",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN37,     MKK9_FCCA,     "J37", "JAPAN37",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN38,     MKK9_MKKA1,    "J38", "JAPAN38",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN39,     MKK9_MKKC,     "J39", "JAPAN39",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN40,     MKK10_MKKA2,   "J40", "JAPAN40",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN41,     MKK10_FCCA,    "J41", "JAPAN41",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN42,     MKK10_MKKA1,   "J42", "JAPAN42",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN43,     MKK10_MKKC,    "J43", "JAPAN43",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN44,     MKK10_MKKA2,   "J44", "JAPAN44",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN45,     MKK11_MKKA,    "J45", "JAPAN45",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN46,     MKK11_FCCA,    "J46", "JAPAN46",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN47,     MKK11_MKKA1,   "J47", "JAPAN47",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN48,     MKK11_MKKC,    "J48", "JAPAN48",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN49,     MKK11_MKKA2,   "J49", "JAPAN49",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN50,     MKK12_MKKA,    "J50", "JAPAN50",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN51,     MKK12_FCCA,    "J51", "JAPAN51",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN52,     MKK12_MKKA1,   "J52", "JAPAN52",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN53,     MKK12_MKKC,    "J53", "JAPAN53",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JAPAN54,     MKK12_MKKA2,   "J54", "JAPAN54",       YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_JORDAN,      ETSI2_WORLD,   "JO", "JORDAN",         YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_KAZAKHSTAN,  NULL1_WORLD,   "KZ", "KAZAKHSTAN",     YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_KOREA_NORTH, APL9_WORLD,    "KP", "NORTH KOREA",    YES, NO,  NO,  YES, YES, 7000 },
-    {CTRY_KOREA_ROC,   APL9_WORLD,    "KR", "KOREA REPUBLIC", YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_KOREA_ROC2,  APL2_APLD,     "K2", "KOREA REPUBLIC2",YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_KOREA_ROC3,  APL9_WORLD,    "K3", "KOREA REPUBLIC3",YES, NO,  NO,  NO,  NO,  7000 },
-    {CTRY_KUWAIT,      NULL1_WORLD,   "KW", "KUWAIT",         YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_LATVIA,      ETSI1_WORLD,   "LV", "LATVIA",         YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_LEBANON,     NULL1_WORLD,   "LB", "LEBANON",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_LIECHTENSTEIN,ETSI1_WORLD,  "LI", "LIECHTENSTEIN",  YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_LITHUANIA,   ETSI1_WORLD,   "LT", "LITHUANIA",      YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_LUXEMBOURG,  ETSI1_WORLD,   "LU", "LUXEMBOURG",     YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_MACAU,       FCC2_WORLD,    "MO", "MACAU",          YES, YES, YES, YES, YES, 7000 },
-    {CTRY_MACEDONIA,   NULL1_WORLD,   "MK", "MACEDONIA",      YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_MALAYSIA,    APL8_WORLD,    "MY", "MALAYSIA",       NO,  NO,  NO,  NO,  NO,  7000 },
-    {CTRY_MALTA,       ETSI1_WORLD,   "MT", "MALTA",          YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_MEXICO,      FCC1_FCCA,     "MX", "MEXICO",         YES, YES, YES, YES, YES, 7000 },
-    {CTRY_MONACO,      ETSI4_WORLD,   "MC", "MONACO",         YES, YES, YES, YES, YES, 7000 },
-    {CTRY_MOROCCO,     NULL1_WORLD,   "MA", "MOROCCO",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_NETHERLANDS, ETSI1_WORLD,   "NL", "NETHERLANDS",    YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_NETHERLANDS_ANT, ETSI1_WORLD, "AN", "NETHERLANDS-ANTILLES", YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_NEW_ZEALAND, FCC2_ETSIC,    "NZ", "NEW ZEALAND",    YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_NORWAY,      ETSI1_WORLD,   "NO", "NORWAY",         YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_OMAN,        APL6_WORLD,    "OM", "OMAN",           YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_PAKISTAN,    NULL1_WORLD,   "PK", "PAKISTAN",       YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_PANAMA,      FCC1_FCCA,     "PA", "PANAMA",         YES, YES, YES, YES, YES, 7000 },
-    {CTRY_PERU,        APL1_WORLD,    "PE", "PERU",           YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_PHILIPPINES, APL1_WORLD,    "PH", "PHILIPPINES",    YES, YES, YES, YES, YES, 7000 },
-    {CTRY_POLAND,      ETSI1_WORLD,   "PL", "POLAND",         YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_PORTUGAL,    ETSI1_WORLD,   "PT", "PORTUGAL",       YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_PUERTO_RICO, FCC1_FCCA,     "PR", "PUERTO RICO",    YES, YES, YES, YES, YES, 7000 },
-    {CTRY_QATAR,       NULL1_WORLD,   "QA", "QATAR",          YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_ROMANIA,     NULL1_WORLD,   "RO", "ROMANIA",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_RUSSIA,      NULL1_WORLD,   "RU", "RUSSIA",         YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_SAUDI_ARABIA,NULL1_WORLD,   "SA", "SAUDI ARABIA",   YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_SERBIA_MONT, ETSI1_WORLD,   "CS", "SERBIA & MONTENEGRO", YES, NO,  YES, YES,  YES, 7000 },
-    {CTRY_SINGAPORE,   APL6_WORLD,    "SG", "SINGAPORE",      YES, YES, YES, YES, YES, 7000 },
-    {CTRY_SLOVAKIA,    ETSI1_WORLD,   "SK", "SLOVAK REPUBLIC",YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_SLOVENIA,    ETSI1_WORLD,   "SI", "SLOVENIA",       YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_SOUTH_AFRICA,FCC3_WORLD,    "ZA", "SOUTH AFRICA",   YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_SPAIN,       ETSI1_WORLD,   "ES", "SPAIN",          YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_SRILANKA,    FCC3_WORLD,    "LK", "SRI LANKA",      YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_SWEDEN,      ETSI1_WORLD,   "SE", "SWEDEN",         YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_SWITZERLAND, ETSI1_WORLD,   "CH", "SWITZERLAND",    YES, NO,  YES, YES, YES, 7000 },
-    {CTRY_SYRIA,       NULL1_WORLD,   "SY", "SYRIA",          YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_TAIWAN,      APL3_FCCA,     "TW", "TAIWAN",         YES, YES, YES, YES, YES, 7000 },
-    {CTRY_THAILAND,    NULL1_WORLD,   "TH", "THAILAND",       YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_TRINIDAD_Y_TOBAGO,ETSI4_WORLD,"TT", "TRINIDAD & TOBAGO", YES, NO, YES, NO, YES, 7000 },
-    {CTRY_TUNISIA,     ETSI3_WORLD,   "TN", "TUNISIA",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_TURKEY,      ETSI3_WORLD,   "TR", "TURKEY",         YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_UKRAINE,     NULL1_WORLD,   "UA", "UKRAINE",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_UAE,         NULL1_WORLD,   "AE", "UNITED ARAB EMIRATES", YES, NO, YES, NO, YES, 7000 },
-    {CTRY_UNITED_KINGDOM, ETSI1_WORLD,"GB", "UNITED KINGDOM", YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_UNITED_STATES, FCC3_FCCA,   "US", "UNITED STATES",  YES, YES, YES, YES, YES, 5825 },
-    {CTRY_UNITED_STATES_FCC49, FCC4_FCCA,   "PS", "UNITED STATES (PUBLIC SAFETY)",  YES, YES, YES, YES, YES, 7000 },
-    {CTRY_URUGUAY,     FCC1_WORLD,    "UY", "URUGUAY",        YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_UZBEKISTAN,  FCC3_FCCA,     "UZ", "UZBEKISTAN",     YES, YES, YES, YES, YES, 7000 },
-    {CTRY_VENEZUELA,   APL2_ETSIC,    "VE", "VENEZUELA",      YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_VIET_NAM,    NULL1_WORLD,   "VN", "VIET NAM",       YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_YEMEN,       NULL1_WORLD,   "YE", "YEMEN",          YES, NO,  YES, NO,  YES, 7000 },
-    {CTRY_ZIMBABWE,    NULL1_WORLD,   "ZW", "ZIMBABWE",       YES, NO,  YES, NO,  YES, 7000 }
+	{CTRY_DEBUG,       NO_ENUMRD,     "DB", "DEBUG",          YES, YES, YES, YES, YES, 7000 },
+	{CTRY_DEFAULT,     DEF_REGDMN,    "NA", "NO_COUNTRY_SET", YES, YES, YES, YES, YES, 7000 },
+	{CTRY_ALBANIA,     NULL1_WORLD,   "AL", "ALBANIA",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_ALGERIA,     NULL1_WORLD,   "DZ", "ALGERIA",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_ARGENTINA,   APL3_WORLD,    "AR", "ARGENTINA",      YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_ARMENIA,     ETSI4_WORLD,   "AM", "ARMENIA",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_AUSTRALIA,   FCC6_WORLD,    "AU", "AUSTRALIA",      YES, YES, YES, YES, YES, 7000 },
+	{CTRY_AUSTRIA,     ETSI2_WORLD,   "AT", "AUSTRIA",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_AZERBAIJAN,  ETSI4_WORLD,   "AZ", "AZERBAIJAN",     YES, YES, YES, YES, YES, 7000 },
+	{CTRY_BAHRAIN,     APL6_WORLD,    "BH", "BAHRAIN",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_BELARUS,     ETSI1_WORLD,   "BY", "BELARUS",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_BELGIUM,     ETSI1_WORLD,   "BE", "BELGIUM",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_BELIZE,      APL1_ETSIC,    "BZ", "BELIZE",         YES, YES, YES, YES, YES, 7000 },
+	{CTRY_BOLIVIA,     APL1_ETSIC,    "BO", "BOLVIA",         YES, YES, YES, YES, YES, 7000 },
+	{CTRY_BRAZIL,      FCC3_WORLD,    "BR", "BRAZIL",         NO,  NO,  NO,  NO,  NO,  7000 },
+	{CTRY_BRUNEI_DARUSSALAM, APL1_WORLD, "BN", "BRUNEI DARUSSALAM", YES, YES, YES,  YES, YES, 7000 },
+	{CTRY_BULGARIA,    ETSI6_WORLD,   "BG", "BULGARIA",       YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_CANADA,      FCC6_FCCA,     "CA", "CANADA",         YES, YES, YES, YES, YES, 7000 },
+	{CTRY_CHILE,       APL6_WORLD,    "CL", "CHILE",          YES, YES, YES, YES, YES, 7000 },
+	{CTRY_CHINA,       APL1_WORLD,    "CN", "CHINA",          YES, YES, YES, YES, YES, 7000 },
+	{CTRY_COLOMBIA,    FCC1_FCCA,     "CO", "COLOMBIA",       YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_COSTA_RICA,  FCC1_WORLD,    "CR", "COSTA RICA",     YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_CROATIA,     ETSI3_WORLD,   "HR", "CROATIA",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_CYPRUS,      ETSI3_WORLD,   "CY", "CYPRUS",         YES, YES, YES, YES, YES, 7000 },
+	{CTRY_CZECH,       ETSI3_WORLD,   "CZ", "CZECH REPUBLIC", YES, NO, YES,  YES, YES, 7000 },
+	{CTRY_DENMARK,     ETSI1_WORLD,   "DK", "DENMARK",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_DOMINICAN_REPUBLIC, FCC1_FCCA, "DO", "DOMINICAN REPUBLIC", YES, YES, YES, YES, YES, 7000 },
+	{CTRY_ECUADOR,     FCC1_WORLD,    "EC", "ECUADOR",        YES, NO,  NO,  NO,  YES, 7000 },
+	{CTRY_EGYPT,       ETSI3_WORLD,   "EG", "EGYPT",          YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_EL_SALVADOR, FCC1_WORLD,    "SV", "EL SALVADOR",    YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_ESTONIA,     ETSI1_WORLD,   "EE", "ESTONIA",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_FINLAND,     ETSI1_WORLD,   "FI", "FINLAND",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_FRANCE,      ETSI1_WORLD,   "FR", "FRANCE",         YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_FRANCE2,     ETSI3_WORLD,   "F2", "FRANCE_RES",     YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_GEORGIA,     ETSI4_WORLD,   "GE", "GEORGIA",        YES, YES, YES, YES, YES, 7000 },
+	{CTRY_GERMANY,     ETSI1_WORLD,   "DE", "GERMANY",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_GREECE,      ETSI1_WORLD,   "GR", "GREECE",         YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_GUATEMALA,   FCC1_FCCA,     "GT", "GUATEMALA",      YES, YES, YES, YES, YES, 7000 },
+	{CTRY_HONDURAS,    NULL1_WORLD,   "HN", "HONDURAS",       YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_HONG_KONG,   FCC2_WORLD,    "HK", "HONG KONG",      YES, YES, YES, YES, YES, 7000 },
+	{CTRY_HUNGARY,     ETSI4_WORLD,   "HU", "HUNGARY",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_ICELAND,     ETSI1_WORLD,   "IS", "ICELAND",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_INDIA,       APL6_WORLD,    "IN", "INDIA",          YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_INDONESIA,   APL1_WORLD,    "ID", "INDONESIA",      YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_IRAN,        APL1_WORLD,    "IR", "IRAN",           YES, YES, YES, YES, YES, 7000 },
+	{CTRY_IRELAND,     ETSI1_WORLD,   "IE", "IRELAND",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_ISRAEL,      ETSI3_WORLD,   "IL", "ISRAEL",         YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_ISRAEL2,     NULL1_ETSIB,   "ISR", "ISRAEL_RES",     YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_ITALY,       ETSI1_WORLD,   "IT", "ITALY",          YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_JAMAICA,     ETSI1_WORLD,   "JM", "JAMAICA",        YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_JAPAN,       MKK1_MKKA,     "JP", "JAPAN",          YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN1,      MKK1_MKKB,     "J1", "JAPAN1",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN2,      MKK1_FCCA,     "J2", "JAPAN2",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN3,      MKK2_MKKA,     "J3", "JAPAN3",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN4,      MKK1_MKKA1,    "J4", "JAPAN4",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN5,      MKK1_MKKA2,    "J5", "JAPAN5",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN6,      MKK1_MKKC,     "J6", "JAPAN6",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN7,      MKK3_MKKB,     "J7", "JAPAN7",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN8,      MKK3_MKKA2,    "J8", "JAPAN8",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN9,      MKK3_MKKC,     "J9", "JAPAN9",         YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN10,     MKK4_MKKB,     "J10", "JAPAN10",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN11,     MKK4_MKKA2,    "J11", "JAPAN11",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN12,     MKK4_MKKC,     "J12", "JAPAN12",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN13,     MKK5_MKKB,     "J13", "JAPAN13",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN14,     MKK5_MKKA2,    "J14", "JAPAN14",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN15,     MKK5_MKKC,     "J15", "JAPAN15",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN16,     MKK6_MKKB,     "J16", "JAPAN16",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN17,     MKK6_MKKA2,    "J17", "JAPAN17",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN18,     MKK6_MKKC,     "J18", "JAPAN18",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN19,     MKK7_MKKB,     "J19", "JAPAN19",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN20,     MKK7_MKKA,     "J20", "JAPAN20",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN21,     MKK7_MKKC,     "J21", "JAPAN21",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN22,     MKK8_MKKB,     "J22", "JAPAN22",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN23,     MKK8_MKKA2,    "J23", "JAPAN23",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN24,     MKK8_MKKC,     "J24", "JAPAN24",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN25,     MKK3_MKKA,     "J25", "JAPAN25",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN26,     MKK3_MKKA1,    "J26", "JAPAN26",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN27,     MKK3_FCCA,     "J27", "JAPAN27",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN28,     MKK4_MKKA1,    "J28", "JAPAN28",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN29,     MKK4_FCCA,     "J29", "JAPAN29",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN30,     MKK6_MKKA1,    "J30", "JAPAN30",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN31,     MKK6_FCCA,     "J31", "JAPAN31",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN32,     MKK7_MKKA1,    "J32", "JAPAN32",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN33,     MKK7_FCCA,     "J33", "JAPAN33",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN34,     MKK9_MKKA,     "J34", "JAPAN34",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN35,     MKK10_MKKA,    "J35", "JAPAN35",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN36,     MKK4_MKKA,     "J36", "JAPAN36",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN37,     MKK9_FCCA,     "J37", "JAPAN37",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN38,     MKK9_MKKA1,    "J38", "JAPAN38",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN39,     MKK9_MKKC,     "J39", "JAPAN39",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN40,     MKK10_MKKA2,   "J40", "JAPAN40",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN41,     MKK10_FCCA,    "J41", "JAPAN41",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN42,     MKK10_MKKA1,   "J42", "JAPAN42",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN43,     MKK10_MKKC,    "J43", "JAPAN43",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN44,     MKK10_MKKA2,   "J44", "JAPAN44",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN45,     MKK11_MKKA,    "J45", "JAPAN45",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN46,     MKK11_FCCA,    "J46", "JAPAN46",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN47,     MKK11_MKKA1,   "J47", "JAPAN47",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN48,     MKK11_MKKC,    "J48", "JAPAN48",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN49,     MKK11_MKKA2,   "J49", "JAPAN49",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN50,     MKK12_MKKA,    "J50", "JAPAN50",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN51,     MKK12_FCCA,    "J51", "JAPAN51",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN52,     MKK12_MKKA1,   "J52", "JAPAN52",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN53,     MKK12_MKKC,    "J53", "JAPAN53",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JAPAN54,     MKK12_MKKA2,   "J54", "JAPAN54",       YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_JORDAN,      ETSI2_WORLD,   "JO", "JORDAN",         YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_KAZAKHSTAN,  NULL1_WORLD,   "KZ", "KAZAKHSTAN",     YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_KOREA_NORTH, APL9_WORLD,    "KP", "NORTH KOREA",    YES, NO,  NO,  YES, YES, 7000 },
+	{CTRY_KOREA_ROC,   APL9_WORLD,    "KR", "KOREA REPUBLIC", YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_KOREA_ROC2,  APL2_APLD,     "K2", "KOREA REPUBLIC2", YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_KOREA_ROC3,  APL9_WORLD,    "K3", "KOREA REPUBLIC3", YES, NO,  NO,  NO,  NO,  7000 },
+	{CTRY_KUWAIT,      NULL1_WORLD,   "KW", "KUWAIT",         YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_LATVIA,      ETSI1_WORLD,   "LV", "LATVIA",         YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_LEBANON,     NULL1_WORLD,   "LB", "LEBANON",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_LIECHTENSTEIN, ETSI1_WORLD,  "LI", "LIECHTENSTEIN",  YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_LITHUANIA,   ETSI1_WORLD,   "LT", "LITHUANIA",      YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_LUXEMBOURG,  ETSI1_WORLD,   "LU", "LUXEMBOURG",     YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_MACAU,       FCC2_WORLD,    "MO", "MACAU",          YES, YES, YES, YES, YES, 7000 },
+	{CTRY_MACEDONIA,   NULL1_WORLD,   "MK", "MACEDONIA",      YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_MALAYSIA,    APL8_WORLD,    "MY", "MALAYSIA",       NO,  NO,  NO,  NO,  NO,  7000 },
+	{CTRY_MALTA,       ETSI1_WORLD,   "MT", "MALTA",          YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_MEXICO,      FCC1_FCCA,     "MX", "MEXICO",         YES, YES, YES, YES, YES, 7000 },
+	{CTRY_MONACO,      ETSI4_WORLD,   "MC", "MONACO",         YES, YES, YES, YES, YES, 7000 },
+	{CTRY_MOROCCO,     NULL1_WORLD,   "MA", "MOROCCO",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_NETHERLANDS, ETSI1_WORLD,   "NL", "NETHERLANDS",    YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_NETHERLANDS_ANT, ETSI1_WORLD, "AN", "NETHERLANDS-ANTILLES", YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_NEW_ZEALAND, FCC2_ETSIC,    "NZ", "NEW ZEALAND",    YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_NORWAY,      ETSI1_WORLD,   "NO", "NORWAY",         YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_OMAN,        APL6_WORLD,    "OM", "OMAN",           YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_PAKISTAN,    NULL1_WORLD,   "PK", "PAKISTAN",       YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_PANAMA,      FCC1_FCCA,     "PA", "PANAMA",         YES, YES, YES, YES, YES, 7000 },
+	{CTRY_PERU,        APL1_WORLD,    "PE", "PERU",           YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_PHILIPPINES, APL1_WORLD,    "PH", "PHILIPPINES",    YES, YES, YES, YES, YES, 7000 },
+	{CTRY_POLAND,      ETSI1_WORLD,   "PL", "POLAND",         YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_PORTUGAL,    ETSI1_WORLD,   "PT", "PORTUGAL",       YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_PUERTO_RICO, FCC1_FCCA,     "PR", "PUERTO RICO",    YES, YES, YES, YES, YES, 7000 },
+	{CTRY_QATAR,       NULL1_WORLD,   "QA", "QATAR",          YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_ROMANIA,     NULL1_WORLD,   "RO", "ROMANIA",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_RUSSIA,      NULL1_WORLD,   "RU", "RUSSIA",         YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_SAUDI_ARABIA, NULL1_WORLD,  "SA", "SAUDI ARABIA",   YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_SERBIA_MONT, ETSI1_WORLD,   "CS", "SERBIA & MONTENEGRO", YES, NO,  YES, YES,  YES, 7000 },
+	{CTRY_SINGAPORE,   APL6_WORLD,    "SG", "SINGAPORE",      YES, YES, YES, YES, YES, 7000 },
+	{CTRY_SLOVAKIA,    ETSI1_WORLD,   "SK", "SLOVAK REPUBLIC", YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_SLOVENIA,    ETSI1_WORLD,   "SI", "SLOVENIA",       YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_SOUTH_AFRICA, FCC3_WORLD,   "ZA", "SOUTH AFRICA",   YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_SPAIN,       ETSI1_WORLD,   "ES", "SPAIN",          YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_SRILANKA,    FCC3_WORLD,    "LK", "SRI LANKA",      YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_SWEDEN,      ETSI1_WORLD,   "SE", "SWEDEN",         YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_SWITZERLAND, ETSI1_WORLD,   "CH", "SWITZERLAND",    YES, NO,  YES, YES, YES, 7000 },
+	{CTRY_SYRIA,       NULL1_WORLD,   "SY", "SYRIA",          YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_TAIWAN,      APL3_FCCA,     "TW", "TAIWAN",         YES, YES, YES, YES, YES, 7000 },
+	{CTRY_THAILAND,    NULL1_WORLD,   "TH", "THAILAND",       YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_TRINIDAD_Y_TOBAGO, ETSI4_WORLD, "TT", "TRINIDAD & TOBAGO", YES, NO, YES, NO, YES, 7000 },
+	{CTRY_TUNISIA,     ETSI3_WORLD,   "TN", "TUNISIA",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_TURKEY,      ETSI3_WORLD,   "TR", "TURKEY",         YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_UKRAINE,     NULL1_WORLD,   "UA", "UKRAINE",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_UAE,         NULL1_WORLD,   "AE", "UNITED ARAB EMIRATES", YES, NO, YES, NO, YES, 7000 },
+	{CTRY_UNITED_KINGDOM, ETSI1_WORLD, "GB", "UNITED KINGDOM", YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_UNITED_STATES, FCC3_FCCA,   "US", "UNITED STATES",  YES, YES, YES, YES, YES, 5825 },
+	{CTRY_UNITED_STATES_FCC49, FCC4_FCCA,   "PS", "UNITED STATES (PUBLIC SAFETY)",  YES, YES, YES, YES, YES, 7000 },
+	{CTRY_URUGUAY,     FCC1_WORLD,    "UY", "URUGUAY",        YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_UZBEKISTAN,  FCC3_FCCA,     "UZ", "UZBEKISTAN",     YES, YES, YES, YES, YES, 7000 },
+	{CTRY_VENEZUELA,   APL2_ETSIC,    "VE", "VENEZUELA",      YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_VIET_NAM,    NULL1_WORLD,   "VN", "VIET NAM",       YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_YEMEN,       NULL1_WORLD,   "YE", "YEMEN",          YES, NO,  YES, NO,  YES, 7000 },
+	{CTRY_ZIMBABWE,    NULL1_WORLD,   "ZW", "ZIMBABWE",       YES, NO,  YES, NO,  YES, 7000 }
 };
 
 typedef struct RegDmnFreqBand {
@@ -660,7 +660,7 @@ enum {
 	W1_5745_5825,
 	W1_5500_5700,
 	W2_5260_5320,
-        W2_5180_5240,
+	W2_5180_5240,
 	W2_5825_5825,
 };
 
@@ -1332,8 +1332,8 @@ static REG_DOMAIN regDomains[] = {
 	 BMZERO,
 	 BMZERO,
 	 BMZERO,
-	 BM(F2_2312_2372,F2_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
-	 BM(G2_2312_2372,G2_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(F2_2312_2372, F2_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(G2_2312_2372, G2_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO,
 	 BMZERO},
@@ -1342,9 +1342,9 @@ static REG_DOMAIN regDomains[] = {
 	 BMZERO,
 	 BMZERO,
 	 BMZERO,
-	 BM(F1_2457_2472,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
-	 BM(G1_2457_2472,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
-	 BM(T2_2437_2437,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(F1_2457_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(G1_2457_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(T2_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
 
@@ -1352,9 +1352,9 @@ static REG_DOMAIN regDomains[] = {
 	 BMZERO,
 	 BMZERO,
 	 BMZERO,
-	 BM(F1_2432_2442,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(G1_2432_2442,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(T2_2437_2437,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(F1_2432_2442, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(G1_2432_2442, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(T2_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
 
@@ -1362,9 +1362,9 @@ static REG_DOMAIN regDomains[] = {
 	 BMZERO,
 	 BMZERO,
 	 BMZERO,
-	 BM(F3_2412_2472,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(G3_2412_2472,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(T2_2437_2437,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(F3_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(G3_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(T2_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
 
@@ -1372,10 +1372,10 @@ static REG_DOMAIN regDomains[] = {
 	 BMZERO,
 	 BMZERO,
 	 BMZERO,
-	 BM(F1_2412_2462,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(G1_2412_2462,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(T2_2437_2437,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
-	 BM(NG2_2422_2452,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(F1_2412_2462, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(G1_2412_2462, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(T2_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(NG2_2422_2452, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO},
 
 	{MKKA, MKK, NO_DFS, PSCAN_MKKA | PSCAN_MKKA_G | PSCAN_MKKA1 | PSCAN_MKKA1_G | PSCAN_MKKA2 | PSCAN_MKKA2_G, DISALLOW_ADHOC_11A_TURB,
@@ -1384,36 +1384,36 @@ static REG_DOMAIN regDomains[] = {
 	 BMZERO,
 	 BM(F2_2412_2462, F1_2467_2472, F2_2484_2484, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BM(G2_2412_2462, G1_2467_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
-	 BM(T2_2437_2437,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
-	 BM(NG1_2422_2452,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(T2_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(NG1_2422_2452, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO},
 
 	{MKKC, MKK, NO_DFS, NO_PSCAN, NO_REQ,
 	 BMZERO,
 	 BMZERO,
 	 BMZERO,
-	 BM(F2_2412_2472,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(G2_2412_2472,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(T2_2437_2437,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
-	 BM(NG1_2422_2452,-1,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(F2_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(G2_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(T2_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(NG1_2422_2452, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO},
 
 	{WORLD, ETSI, NO_DFS, NO_PSCAN, NO_REQ,
 	 BMZERO,
 	 BMZERO,
 	 BMZERO,
-	 BM(F2_2412_2472,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(G2_2412_2472,-1,-1,-1,-1,-1,-1,-1, -1, -1, -1, -1),
-	 BM(T2_2437_2437,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
-	 BM(NG1_2422_2452,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(F2_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(G2_2412_2472, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(T2_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
+	 BM(NG1_2422_2452, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO},
 
 	{WOR0_WORLD, NO_CTL, DFS_FCC3 | DFS_ETSI, PSCAN_WWR, ADHOC_PER_11D,
 	 BM(W1_5260_5320, W1_5180_5240, W1_5170_5230, W1_5745_5825, W1_5500_5700, -1, -1, -1, -1, -1, -1, -1),
 	 BM(WT1_5210_5250, WT1_5290_5290, WT1_5760_5800, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
-	 BM(W1_2412_2412,W1_2437_2442,W1_2462_2462,W1_2472_2472,W1_2417_2432, W1_2447_2457, W1_2467_2467, W1_2484_2484, -1, -1, -1, -1),
-	 BM(WG1_2412_2412,WG1_2437_2442,WG1_2462_2462,WG1_2472_2472,WG1_2417_2432,WG1_2447_2457,WG1_2467_2467, -1, -1, -1, -1, -1),
+	 BM(W1_2412_2412, W1_2437_2442, W1_2462_2462, W1_2472_2472, W1_2417_2432, W1_2447_2457, W1_2467_2467, W1_2484_2484, -1, -1, -1, -1),
+	 BM(WG1_2412_2412, WG1_2437_2442, WG1_2462_2462, WG1_2472_2472, WG1_2417_2432, WG1_2447_2457, WG1_2467_2467, -1, -1, -1, -1, -1),
 	 BM(T3_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
@@ -1429,21 +1429,21 @@ static REG_DOMAIN regDomains[] = {
 	 BMZERO},
 
 	{WOR02_WORLD, NO_CTL, DFS_FCC3 | DFS_ETSI, PSCAN_WWR, ADHOC_PER_11D,
-	 BM(W1_5260_5320, W1_5180_5240,W1_5170_5230,W1_5745_5825,W1_5500_5700, -1, -1, -1, -1, -1, -1, -1),
+	 BM(W1_5260_5320, W1_5180_5240, W1_5170_5230, W1_5745_5825, W1_5500_5700, -1, -1, -1, -1, -1, -1, -1),
 	 BM(WT1_5210_5250, WT1_5290_5290, WT1_5760_5800, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
-	 BM(W1_2412_2412,W1_2437_2442,W1_2462_2462, W1_2472_2472,W1_2417_2432, W1_2447_2457, W1_2467_2467, -1, -1, -1, -1, -1),
-	 BM(WG1_2412_2412,WG1_2437_2442,WG1_2462_2462, WG1_2472_2472,WG1_2417_2432, WG1_2447_2457, WG1_2467_2467, -1, -1, -1, -1, -1),
+	 BM(W1_2412_2412, W1_2437_2442, W1_2462_2462, W1_2472_2472, W1_2417_2432, W1_2447_2457, W1_2467_2467, -1, -1, -1, -1, -1),
+	 BM(WG1_2412_2412, WG1_2437_2442, WG1_2462_2462, WG1_2472_2472, WG1_2417_2432, WG1_2447_2457, WG1_2467_2467, -1, -1, -1, -1, -1),
 	 BM(T3_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
 
 	{EU1_WORLD, NO_CTL, DFS_FCC3 | DFS_ETSI, PSCAN_WWR, ADHOC_PER_11D,
-	 BM(W1_5260_5320, W1_5180_5240,W1_5170_5230,W1_5745_5825,W1_5500_5700, -1, -1, -1, -1, -1, -1, -1),
+	 BM(W1_5260_5320, W1_5180_5240, W1_5170_5230, W1_5745_5825, W1_5500_5700, -1, -1, -1, -1, -1, -1, -1),
 	 BM(WT1_5210_5250, WT1_5290_5290, WT1_5760_5800, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
-	 BM(W1_2412_2412,W1_2437_2442,W1_2462_2462, W2_2472_2472,W1_2417_2432, W1_2447_2457, W2_2467_2467, -1, -1, -1, -1, -1),
-	 BM(WG1_2412_2412,WG1_2437_2442,WG1_2462_2462, WG2_2472_2472,WG1_2417_2432, WG1_2447_2457, WG2_2467_2467, -1, -1, -1, -1, -1),
+	 BM(W1_2412_2412, W1_2437_2442, W1_2462_2462, W2_2472_2472, W1_2417_2432, W1_2447_2457, W2_2467_2467, -1, -1, -1, -1, -1),
+	 BM(WG1_2412_2412, WG1_2437_2442, WG1_2462_2462, WG2_2472_2472, WG1_2417_2432, WG1_2447_2457, WG2_2467_2467, -1, -1, -1, -1, -1),
 	 BM(T3_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
@@ -1452,8 +1452,8 @@ static REG_DOMAIN regDomains[] = {
 	 BM(W1_5260_5320, W1_5180_5240, W1_5170_5230, W1_5745_5825, W1_5500_5700, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO,
-	 BM(W1_2412_2412,W1_2437_2442,W1_2462_2462,W1_2472_2472,W1_2417_2432, W1_2447_2457, W1_2467_2467, W1_2484_2484, -1, -1, -1, -1),
-	 BM(WG1_2412_2412,WG1_2437_2442,WG1_2462_2462,WG1_2472_2472,WG1_2417_2432,WG1_2447_2457,WG1_2467_2467, -1, -1, -1, -1, -1),
+	 BM(W1_2412_2412, W1_2437_2442, W1_2462_2462, W1_2472_2472, W1_2417_2432, W1_2447_2457, W1_2467_2467, W1_2484_2484, -1, -1, -1, -1),
+	 BM(WG1_2412_2412, WG1_2437_2442, WG1_2462_2462, WG1_2472_2472, WG1_2417_2432, WG1_2447_2457, WG1_2467_2467, -1, -1, -1, -1, -1),
 	 BM(T3_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
@@ -1462,8 +1462,8 @@ static REG_DOMAIN regDomains[] = {
 	 BM(W1_5260_5320, W1_5180_5240, W1_5170_5230, W1_5745_5825, W1_5500_5700, -1, -1, -1, -1, -1, -1, -1),
 	 BM(WT1_5210_5250, WT1_5290_5290, WT1_5760_5800, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
-	 BM(W1_2412_2412,W1_2437_2442,W1_2462_2462,W1_2472_2472,W1_2417_2432, W1_2447_2457, W1_2467_2467, W1_2484_2484, -1, -1, -1, -1),
-	 BM(WG1_2412_2412,WG1_2437_2442,WG1_2462_2462,WG1_2472_2472,WG1_2417_2432,WG1_2447_2457,WG1_2467_2467, -1, -1, -1, -1, -1),
+	 BM(W1_2412_2412, W1_2437_2442, W1_2462_2462, W1_2472_2472, W1_2417_2432, W1_2447_2457, W1_2467_2467, W1_2484_2484, -1, -1, -1, -1),
+	 BM(WG1_2412_2412, WG1_2437_2442, WG1_2462_2462, WG1_2472_2472, WG1_2417_2432, WG1_2447_2457, WG1_2467_2467, -1, -1, -1, -1, -1),
 	 BM(T3_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
@@ -1472,8 +1472,8 @@ static REG_DOMAIN regDomains[] = {
 	 BM(W1_5260_5320, W1_5180_5240, W1_5170_5230, W1_5745_5825, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BM(WT1_5210_5250, WT1_5290_5290, WT1_5760_5800, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
-	 BM(W1_2412_2412,W1_2437_2442,W1_2462_2462,W1_2472_2472,W1_2417_2432, W1_2447_2457, W1_2467_2467, -1, -1, -1, -1, -1),
-	 BM(WG1_2412_2412,WG1_2437_2442,WG1_2462_2462,WG1_2472_2472,WG1_2417_2432,WG1_2447_2457,WG1_2467_2467,-1, -1, -1, -1, -1),
+	 BM(W1_2412_2412, W1_2437_2442, W1_2462_2462, W1_2472_2472, W1_2417_2432, W1_2447_2457, W1_2467_2467, -1, -1, -1, -1, -1),
+	 BM(WG1_2412_2412, WG1_2437_2442, WG1_2462_2462, WG1_2472_2472, WG1_2417_2432, WG1_2447_2457, WG1_2467_2467, -1, -1, -1, -1, -1),
 	 BM(T3_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
@@ -1482,8 +1482,8 @@ static REG_DOMAIN regDomains[] = {
 	 BM(W2_5260_5320, W2_5180_5240, F2_5745_5805, W2_5825_5825, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BM(WT1_5210_5250, WT1_5290_5290, WT1_5760_5800, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
-	 BM(W1_2412_2412,W1_2437_2442,W1_2462_2462, W1_2417_2432,W1_2447_2457,-1, -1, -1, -1, -1, -1, -1),
-	 BM(WG1_2412_2412,WG1_2437_2442,WG1_2462_2462, WG1_2417_2432,WG1_2447_2457,-1, -1, -1, -1, -1, -1, -1),
+	 BM(W1_2412_2412, W1_2437_2442, W1_2462_2462, W1_2417_2432, W1_2447_2457, -1, -1, -1, -1, -1, -1, -1),
+	 BM(WG1_2412_2412, WG1_2437_2442, WG1_2462_2462, WG1_2417_2432, WG1_2447_2457, -1, -1, -1, -1, -1, -1, -1),
 	 BM(T3_2437_2437, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1),
 	 BMZERO,
 	 BMZERO},
@@ -1554,30 +1554,24 @@ static const struct cmode modes[] = {
 u8_t GetWmRD(u16_t regionCode, u16_t channelFlag, REG_DOMAIN *rd)
 {
 	s16_t i, found, regDmn;
-	u64_t flags=NO_REQ;
-	REG_DMN_PAIR_MAPPING *regPair=NULL;
+	u64_t flags = NO_REQ;
+	REG_DMN_PAIR_MAPPING *regPair = NULL;
 
-	for (i=0, found=0; (i<N(regDomainPairs))&&(!found); i++)
-	{
-		if (regDomainPairs[i].regDmnEnum == regionCode)
-		{
+	for (i = 0, found = 0; (i < N(regDomainPairs)) && (!found); i++) {
+		if (regDomainPairs[i].regDmnEnum == regionCode) {
 			regPair = &regDomainPairs[i];
 			found = 1;
 		}
 	}
-	if (!found)
-	{
+	if (!found) {
 		zm_debug_msg1("Failed to find reg domain pair ", regionCode);
 		return FALSE;
 	}
 
-	if (channelFlag & ZM_REG_FLAG_CHANNEL_2GHZ)
-	{
+	if (channelFlag & ZM_REG_FLAG_CHANNEL_2GHZ) {
 		regDmn = regPair->regDmn2GHz;
 		flags = regPair->flags2GHz;
-	}
-    else
-	{
+	} else {
 		regDmn = regPair->regDmn5GHz;
 		flags = regPair->flags5GHz;
 	}
@@ -1587,19 +1581,16 @@ u8_t GetWmRD(u16_t regionCode, u16_t channelFlag, REG_DOMAIN *rd)
 	 * unitary reg domain of the pair
 	 */
 
-	for (i=0;i<N(regDomains); i++)
-	{
-		if (regDomains[i].regDmnEnum == regDmn)
-		{
-			if (rd != NULL)
-			{
-				zfMemoryCopy((u8_t *)rd, (u8_t *)&regDomains[i],
-					  sizeof(REG_DOMAIN));
+	for (i = 0 ; i < N(regDomains) ; i++) {
+		if (regDomains[i].regDmnEnum == regDmn) {
+			if (rd != NULL) {
+					zfMemoryCopy((u8_t *)rd, (u8_t *)&regDomains[i],
+					sizeof(REG_DOMAIN));
 			}
 		}
 	}
 	rd->pscan &= regPair->pscanMask;
-    rd->flags = (u32_t)flags;
+	rd->flags = (u32_t)flags;
 	return TRUE;
 }
 
@@ -1610,7 +1601,7 @@ u8_t isChanBitMaskZero(u64_t *bitmask)
 {
 	u16_t i;
 
-	for (i=0; i<BMLEN; i++) {
+	for (i = 0; i < BMLEN; i++) {
 		if (bitmask[i] != 0)
 			return FALSE;
 	}
@@ -1632,384 +1623,344 @@ u8_t IS_BIT_SET(u32_t bit, u64_t *bitmask)
 }
 
 
-void zfHpGetRegulationTable(zdev_t* dev, u16_t regionCode, u16_t c_lo, u16_t c_hi)
+void zfHpGetRegulationTable(zdev_t *dev, u16_t regionCode, u16_t c_lo, u16_t c_hi)
 {
 	REG_DOMAIN rd5GHz, rd2GHz;
 	const struct cmode *cm;
-	s16_t next=0,b;
-	struct zsHpPriv* hpPriv;
+	s16_t next = 0, b;
+	struct zsHpPriv *hpPriv;
 
-    zmw_get_wlan_dev(dev);
-    hpPriv=wd->hpPrivate;
+	zmw_get_wlan_dev(dev);
+	hpPriv = wd->hpPrivate;
 
-    zmw_declare_for_critical_section();
+	zmw_declare_for_critical_section();
 
-	if (!GetWmRD(regionCode, ~ZM_REG_FLAG_CHANNEL_2GHZ, &rd5GHz))
-	{
-        zm_debug_msg1("couldn't find unitary 5GHz reg domain for Region Code ", regionCode);
+	if (!GetWmRD(regionCode, ~ZM_REG_FLAG_CHANNEL_2GHZ, &rd5GHz)) {
+		zm_debug_msg1("couldn't find unitary 5GHz reg domain for Region Code ", regionCode);
 		return;
 	}
-	if (!GetWmRD(regionCode, ZM_REG_FLAG_CHANNEL_2GHZ, &rd2GHz))
-	{
-        zm_debug_msg1("couldn't find unitary 2GHz reg domain for Region Code ", regionCode);
+	if (!GetWmRD(regionCode, ZM_REG_FLAG_CHANNEL_2GHZ, &rd2GHz)) {
+		zm_debug_msg1("couldn't find unitary 2GHz reg domain for Region Code ", regionCode);
 		return;
 	}
-    if (wd->regulationTable.regionCode == regionCode)
-    {
-        zm_debug_msg1("current region code is the same with Region Code ", regionCode);
-        return;
-    }
-    else
-    {
-        wd->regulationTable.regionCode = regionCode;
-    }
+	if (wd->regulationTable.regionCode == regionCode) {
+		zm_debug_msg1("current region code is the same with Region Code ", regionCode);
+	return;
+	} else
+		wd->regulationTable.regionCode = regionCode;
 
-    next = 0;
+	next = 0;
 
-    zmw_enter_critical_section(dev);
+	zmw_enter_critical_section(dev);
 
-	for (cm = modes; cm < &modes[N(modes)]; cm++)
-	{
+	for (cm = modes; cm < &modes[N(modes)]; cm++) {
 		u16_t c;
-		u64_t *channelBM=NULL;
-		REG_DOMAIN *rd=NULL;
-		REG_DMN_FREQ_BAND *fband=NULL,*freqs=NULL;
+		u64_t *channelBM = NULL;
+		REG_DOMAIN *rd = NULL;
+		REG_DMN_FREQ_BAND *fband = NULL, *freqs = NULL;
 
-		switch (cm->mode)
-		{
+		switch (cm->mode) {
 		case HAL_MODE_TURBO:
-		    //we don't have turbo mode so we disable it
-            //zm_debug_msg0("CWY - HAL_MODE_TURBO");
-            channelBM = NULL;
-			//rd = &rd5GHz;
-			//channelBM = rd->chan11a_turbo;
-			//freqs = &regDmn5GhzTurboFreq[0];
-			//ctl = rd->conformanceTestLimit | CTL_TURBO;
+			/* we don't have turbo mode so we disable it
+			//zm_debug_msg0("CWY - HAL_MODE_TURBO"); */
+			channelBM = NULL;
+			/* rd = &rd5GHz;
+			   channelBM = rd->chan11a_turbo;
+			   freqs = &regDmn5GhzTurboFreq[0];
+			   ctl = rd->conformanceTestLimit | CTL_TURBO; */
 			break;
 		case HAL_MODE_11A:
-		    if ((hpPriv->OpFlags & 0x1) != 0)
-		    {
-    			rd = &rd5GHz;
-    			channelBM = rd->chan11a;
-    			freqs = &regDmn5GhzFreq[0];
-    			c_lo = 4920; //from channel 184
-    			c_hi = 5825; //to   channel 165
-    			//ctl = rd->conformanceTestLimit;
-                //zm_debug_msg2("CWY - HAL_MODE_11A, channelBM = 0x", *channelBM);
-            }
-            //else
-            {
-                //channelBM = NULL;
-            }
+			if ((hpPriv->OpFlags & 0x1) != 0) {
+				rd = &rd5GHz;
+				channelBM = rd->chan11a;
+				freqs = &regDmn5GhzFreq[0];
+				c_lo = 4920; /* from channel 184 */
+				c_hi = 5825; /* to   channel 165 */
+				/* ctl = rd->conformanceTestLimit;
+				   zm_debug_msg2("CWY - HAL_MODE_11A, channelBM = 0x", *channelBM); */
+			}
+			/* else
+				channelBM = NULL;
+			*/
 			break;
 		case HAL_MODE_11B:
-		    //Disable 11B mode because it only has difference with 11G in PowerDFS Data,
-		    //and we don't use this now.
-			//zm_debug_msg0("CWY - HAL_MODE_11B");
+			/* Disable 11B mode because it only has difference with 11G in PowerDFS Data,
+			   and we don't use this now.
+			   zm_debug_msg0("CWY - HAL_MODE_11B"); */
 			channelBM = NULL;
-			//rd = &rd2GHz;
-			//channelBM = rd->chan11b;
-			//freqs = &regDmn2GhzFreq[0];
-			//ctl = rd->conformanceTestLimit | CTL_11B;
-            //zm_debug_msg2("CWY - HAL_MODE_11B, channelBM = 0x", *channelBM);
+			/* rd = &rd2GHz;
+			   channelBM = rd->chan11b;
+			   freqs = &regDmn2GhzFreq[0];
+			   ctl = rd->conformanceTestLimit | CTL_11B;
+			   zm_debug_msg2("CWY - HAL_MODE_11B, channelBM = 0x", *channelBM); */
 			break;
 		case HAL_MODE_11G:
-		    if ((hpPriv->OpFlags & 0x2) != 0)
-		    {
-    			rd = &rd2GHz;
-    			channelBM = rd->chan11g;
-    			freqs = &regDmn2Ghz11gFreq[0];
-    			c_lo = 2412; //from channel  1
-    			//c_hi = 2462; //to   channel 11
-                c_hi = 2472; //to   channel 13
-    			//ctl = rd->conformanceTestLimit | CTL_11G;
-                //zm_debug_msg2("CWY - HAL_MODE_11G, channelBM = 0x", *channelBM);
-            }
-            //else
-            {
-                //channelBM = NULL;
-            }
+			if ((hpPriv->OpFlags & 0x2) != 0) {
+				rd = &rd2GHz;
+				channelBM = rd->chan11g;
+				freqs = &regDmn2Ghz11gFreq[0];
+				c_lo = 2412;	/* from channel  1 */
+				/* c_hi = 2462;	to   channel 11 */
+				c_hi = 2472;	/* to   channel 13 */
+				/* ctl = rd->conformanceTestLimit | CTL_11G; */
+				/* zm_debug_msg2("CWY - HAL_MODE_11G, channelBM = 0x", *channelBM); */
+			}
+			/* else
+				channelBM = NULL;
+			*/
 			break;
 		case HAL_MODE_11G_TURBO:
-		    //we don't have turbo mode so we disable it
-            //zm_debug_msg0("CWY - HAL_MODE_11G_TURBO");
-            channelBM = NULL;
-			//rd = &rd2GHz;
-			//channelBM = rd->chan11g_turbo;
-			//freqs = &regDmn2Ghz11gTurboFreq[0];
-			//ctl = rd->conformanceTestLimit | CTL_108G;
+			/* we don't have turbo mode so we disable it
+			   zm_debug_msg0("CWY - HAL_MODE_11G_TURBO"); */
+			channelBM = NULL;
+			/* rd = &rd2GHz;
+			   channelBM = rd->chan11g_turbo;
+			   freqs = &regDmn2Ghz11gTurboFreq[0];
+			   ctl = rd->conformanceTestLimit | CTL_108G; */
 			break;
 		case HAL_MODE_11A_TURBO:
-		    //we don't have turbo mode so we disable it
-            //zm_debug_msg0("CWY - HAL_MODE_11A_TURBO");
-            channelBM = NULL;
-			//rd = &rd5GHz;
-			//channelBM = rd->chan11a_dyn_turbo;
-			//freqs = &regDmn5GhzTurboFreq[0];
-			//ctl = rd->conformanceTestLimit | CTL_108G;
+			/* we don't have turbo mode so we disable it
+			   zm_debug_msg0("CWY - HAL_MODE_11A_TURBO"); */
+			channelBM = NULL;
+			/* rd = &rd5GHz;
+			   channelBM = rd->chan11a_dyn_turbo;
+			   freqs = &regDmn5GhzTurboFreq[0];
+			   ctl = rd->conformanceTestLimit | CTL_108G; */
 			break;
 		default:
-            zm_debug_msg1("Unkonwn HAL mode ", cm->mode);
+			zm_debug_msg1("Unkonwn HAL mode ", cm->mode);
 			continue;
 		}
-		if (channelBM == NULL)
-		{
-		    //zm_debug_msg0("CWY - channelBM is NULL");
+
+		if (channelBM == NULL) {
+		    /* zm_debug_msg0("CWY - channelBM is NULL"); */
 		    continue;
-        }
-        if (isChanBitMaskZero(channelBM))
-        {
-	        //zm_debug_msg0("CWY - BitMask is Zero");
-	        continue;
-        }
+		}
 
-        // RAY:Is it ok??
-        if (freqs == NULL )
-        {
-            continue;
-        }
+		if (isChanBitMaskZero(channelBM)) {
+			/* zm_debug_msg0("CWY - BitMask is Zero"); */
+			continue;
+		}
 
-		for (b=0;b<64*BMLEN; b++)
-		{
-			if (IS_BIT_SET(b,channelBM))
-			{
+		/* RAY:Is it ok?? */
+		if (freqs == NULL)
+			continue;
+
+		for (b = 0 ; b < 64*BMLEN ; b++) {
+			if (IS_BIT_SET(b, channelBM)) {
 				fband = &freqs[b];
 
-				//zm_debug_msg1("CWY - lowChannel = ", fband->lowChannel);
-				//zm_debug_msg1("CWY - highChannel = ", fband->highChannel);
-				//zm_debug_msg1("CWY - channelSep = ", fband->channelSep);
-				for (c=fband->lowChannel; c <= fband->highChannel;
-				     c += fband->channelSep)
-				{
+				/* zm_debug_msg1("CWY - lowChannel = ", fband->lowChannel);
+				   zm_debug_msg1("CWY - highChannel = ", fband->highChannel);
+				   zm_debug_msg1("CWY - channelSep = ", fband->channelSep); */
+				for (c = fband->lowChannel; c <= fband->highChannel;
+				     c += fband->channelSep) {
 					ZM_HAL_CHANNEL icv;
 
-                    //Disable all DFS channel
-                    if ((hpPriv->disableDfsCh==0) || (!(fband->useDfs & rd->dfsMask)))
-                    {
-                        if( fband->channelBW < 20 )
-                        {
-                        	/**************************************************************/
-                            /*                                                            */
-                            /*   Temporary discard channel that BW < 20MHz (5 or 10MHz)   */
-                            /*   Our architecture does not implemnt it !!!                */
-                            /*                                                            */
-                            /**************************************************************/
-                            continue;
-                        }
-					if ((c >= c_lo) && (c <= c_hi))
-					{
-					    icv.channel = c;
-					    icv.channelFlags = cm->flags;
-					    icv.maxRegTxPower = fband->powerDfs;
-					    if (fband->usePassScan & rd->pscan)
-					    	icv.channelFlags |= ZM_REG_FLAG_CHANNEL_PASSIVE;
-					    else
-					    	icv.channelFlags &= ~ZM_REG_FLAG_CHANNEL_PASSIVE;
-					    if (fband->useDfs & rd->dfsMask)
-					    	icv.privFlags = ZM_REG_FLAG_CHANNEL_DFS;
-					    else
-					    	icv.privFlags = 0;
+					/* Disable all DFS channel */
+					if ((hpPriv->disableDfsCh == 0) || (!(fband->useDfs & rd->dfsMask))) {
+						if (fband->channelBW < 20) {
+							/**************************************************************/
+							/*                                                            */
+							/*   Temporary discard channel that BW < 20MHz (5 or 10MHz)   */
+							/*   Our architecture does not implemnt it !!!                */
+							/*                                                            */
+							/**************************************************************/
+							continue;
+						}
+						if ((c >= c_lo) && (c <= c_hi)) {
+							icv.channel = c;
+							icv.channelFlags = cm->flags;
+							icv.maxRegTxPower = fband->powerDfs;
+							if (fband->usePassScan & rd->pscan)
+								icv.channelFlags |= ZM_REG_FLAG_CHANNEL_PASSIVE;
+							else
+								icv.channelFlags &= ~ZM_REG_FLAG_CHANNEL_PASSIVE;
+							if (fband->useDfs & rd->dfsMask)
+								icv.privFlags = ZM_REG_FLAG_CHANNEL_DFS;
+							else
+								icv.privFlags = 0;
 
-					    /* For now disable radar for FCC3 */
-					    if (fband->useDfs & rd->dfsMask & DFS_FCC3)
-					    {
-					    	icv.privFlags &= ~ZM_REG_FLAG_CHANNEL_DFS;
-					    	icv.privFlags |= ZM_REG_FLAG_CHANNEL_DFS_CLEAR;
-					    }
+							/* For now disable radar for FCC3 */
+							if (fband->useDfs & rd->dfsMask & DFS_FCC3) {
+								icv.privFlags &= ~ZM_REG_FLAG_CHANNEL_DFS;
+								icv.privFlags |= ZM_REG_FLAG_CHANNEL_DFS_CLEAR;
+							}
 
-					    if(rd->flags & LIMIT_FRAME_4MS)
-					    	icv.privFlags |= ZM_REG_FLAG_CHANNEL_DFS_CLEAR;
+							if (rd->flags & LIMIT_FRAME_4MS)
+								icv.privFlags |= ZM_REG_FLAG_CHANNEL_DFS_CLEAR;
 
-					    icv.minTxPower = 0;
-					    icv.maxTxPower = 0;
+							icv.minTxPower = 0;
+							icv.maxTxPower = 0;
 
-        			    zm_assert(next < 60);
+							zm_assert(next < 60);
 
-					    wd->regulationTable.allowChannel[next++] = icv;
-				    }
+							wd->regulationTable.allowChannel[next++] = icv;
+						}
+					}
 				}
 			}
 		}
 	}
-	}
 	wd->regulationTable.allowChannelCnt = next;
 
-    #if 0
-    {
-        /* debug print */
-        u32_t i;
-        DbgPrint("\n-------------------------------------------\n");
-        DbgPrint("zfHpGetRegulationTable print all channel info regincode = 0x%x\n", wd->regulationTable.regionCode);
-        DbgPrint("index  channel  channelFlags   maxRegTxPower  privFlags  useDFS\n");
+	#if 0
+	{
+		/* debug print */
+		u32_t i;
+		DbgPrint("\n-------------------------------------------\n");
+		DbgPrint("zfHpGetRegulationTable print all channel info regincode = 0x%x\n", wd->regulationTable.regionCode);
+		DbgPrint("index  channel  channelFlags   maxRegTxPower  privFlags  useDFS\n");
 
-        for (i=0; i<wd->regulationTable.allowChannelCnt; i++)
-        {
-            DbgPrint("%02d       %d         %04x           %02d        %x     %x\n",
-                      i,
-                      wd->regulationTable.allowChannel[i].channel,
-                      wd->regulationTable.allowChannel[i].channelFlags,
-                      wd->regulationTable.allowChannel[i].maxRegTxPower,
-                      wd->regulationTable.allowChannel[i].privFlags,
-                      wd->regulationTable.allowChannel[i].privFlags & ZM_REG_FLAG_CHANNEL_DFS);
-        }
-    }
-    #endif
+		for (i = 0 ; i < wd->regulationTable.allowChannelCnt ; i++) {
+			DbgPrint("%02d       %d         %04x           %02d        %x     %x\n", i,
+			wd->regulationTable.allowChannel[i].channel,
+			wd->regulationTable.allowChannel[i].channelFlags,
+			wd->regulationTable.allowChannel[i].maxRegTxPower,
+			wd->regulationTable.allowChannel[i].privFlags,
+			wd->regulationTable.allowChannel[i].privFlags & ZM_REG_FLAG_CHANNEL_DFS);
+		}
+	}
+	#endif
 
-    zmw_leave_critical_section(dev);
+	zmw_leave_critical_section(dev);
 }
 
-void zfHpGetRegulationTablefromRegionCode(zdev_t* dev, u16_t regionCode)
+void zfHpGetRegulationTablefromRegionCode(zdev_t *dev, u16_t regionCode)
 {
-    u16_t c_lo = 2000, c_hi = 6000; //default channel is all enable
-    u8_t isoName[3] = {'N', 'A', 0};
+	u16_t c_lo = 2000, c_hi = 6000; /* default channel is all enable */
+	u8_t isoName[3] = {'N', 'A', 0};
 
-    zfCoreSetIsoName(dev, isoName);
+	zfCoreSetIsoName(dev, isoName);
 
-    zfHpGetRegulationTable(dev, regionCode, c_lo, c_hi);
+	zfHpGetRegulationTable(dev, regionCode, c_lo, c_hi);
 }
 
-void zfHpGetRegulationTablefromCountry(zdev_t* dev, u16_t CountryCode)
+void zfHpGetRegulationTablefromCountry(zdev_t *dev, u16_t CountryCode)
 {
-    u16_t i;
-    u16_t c_lo = 2000, c_hi = 6000; //default channel is all enable
-    u16_t RegDomain;
+	u16_t i;
+	u16_t c_lo = 2000, c_hi = 6000; /* default channel is all enable */
+	u16_t RegDomain;
 
-    zmw_get_wlan_dev(dev);
+	zmw_get_wlan_dev(dev);
 
-    zmw_declare_for_critical_section();
+	zmw_declare_for_critical_section();
 
-    for (i = 0; i < N(allCountries); i++)
-    {
-        if (CountryCode == allCountries[i].countryCode)
-        {
-            RegDomain = allCountries[i].regDmnEnum;
+	for (i = 0; i < N(allCountries); i++) {
+		if (CountryCode == allCountries[i].countryCode) {
+			RegDomain = allCountries[i].regDmnEnum;
 
-            // read the ACU country code from EEPROM
-            zfCoreSetIsoName(dev, (u8_t*)allCountries[i].isoName);
+			/* read the ACU country code from EEPROM */
+			zfCoreSetIsoName(dev, (u8_t *)allCountries[i].isoName);
 
-            //zm_debug_msg_s("CWY - Country Name = ", allCountries[i].name);
+			/* zm_debug_msg_s("CWY - Country Name = ", allCountries[i].name); */
 
-            if (wd->regulationTable.regionCode != RegDomain)
-            {
-                //zm_debug_msg0("CWY - Change regulatory table");
-
-                zfHpGetRegulationTable(dev, RegDomain, c_lo, c_hi);
-            }
-            return;
-        }
-    }
-    zm_debug_msg1("Invalid CountryCode = ", CountryCode);
+			if (wd->regulationTable.regionCode != RegDomain) {
+				/* zm_debug_msg0("CWY - Change regulatory table"); */
+				zfHpGetRegulationTable(dev, RegDomain, c_lo, c_hi);
+			}
+			return;
+		}
+	}
+	zm_debug_msg1("Invalid CountryCode = ", CountryCode);
 }
 
-u8_t zfHpGetRegulationTablefromISO(zdev_t* dev, u8_t *countryInfo, u8_t length)
+u8_t zfHpGetRegulationTablefromISO(zdev_t *dev, u8_t *countryInfo, u8_t length)
 {
-    u16_t i;
-    u16_t RegDomain;
-    u16_t c_lo = 2000, c_hi = 6000; //default channel is all enable
-    //u8_t strLen = 2;
+	u16_t i;
+	u16_t RegDomain;
+	u16_t c_lo = 2000, c_hi = 6000; /* default channel is all enable */
+	/* u8_t strLen = 2; */
 
-    zmw_get_wlan_dev(dev);
+	zmw_get_wlan_dev(dev);
 
-    zmw_declare_for_critical_section();
+	zmw_declare_for_critical_section();
 
-    if (countryInfo[4] != 0x20)
-    { // with (I)ndoor/(O)utdoor info
-        //strLen = 3;
-    }
-    //zm_debug_msg_s("Desired iso name = ", isoName);
-    for (i = 0; i < N(allCountries); i++)
-    {
-        //zm_debug_msg_s("Current iso name = ", allCountries[i].isoName);
-        if (zfMemoryIsEqual((u8_t *)allCountries[i].isoName, (u8_t *)&countryInfo[2], length-1))
-        {
-            //DbgPrint("Set current iso name = %s\n", allCountries[i].isoName);
-            //zm_debug_msg0("iso name hit!!");
+	if (countryInfo[4] != 0x20) {
+		/* with (I)ndoor/(O)utdoor info
+		strLen = 3; */
+	}
+	/* zm_debug_msg_s("Desired iso name = ", isoName); */
+	for (i = 0; i < N(allCountries); i++) {
+		/* zm_debug_msg_s("Current iso name = ", allCountries[i].isoName); */
+		if (zfMemoryIsEqual((u8_t *)allCountries[i].isoName, (u8_t *)&countryInfo[2], length-1)) {
+			/* DbgPrint("Set current iso name = %s\n", allCountries[i].isoName); */
+			/* zm_debug_msg0("iso name hit!!"); */
 
-            RegDomain = allCountries[i].regDmnEnum;
+			RegDomain = allCountries[i].regDmnEnum;
 
-            if (wd->regulationTable.regionCode != RegDomain)
-            {
-                zfHpGetRegulationTable(dev, RegDomain, c_lo, c_hi);
-            }
+			if (wd->regulationTable.regionCode != RegDomain)
+				zfHpGetRegulationTable(dev, RegDomain, c_lo, c_hi);
+			/*
+			while (index < (countryInfo[1]+2)) {
+				if (countryInfo[index] <= 14) {
+					// calculate 2.4GHz low boundary channel frequency
+					ch = countryInfo[index];
+					if ( ch == 14 )
+						c_lo = ZM_CH_G_14;
+					else
+						c_lo = ZM_CH_G_1 + (ch - 1) * 5;
+					// calculate 2.4GHz high boundary channel frequency
+					ch = countryInfo[index] + countryInfo[index + 1] - 1;
+					if ( ch == 14 )
+						c_hi = ZM_CH_G_14;
+					else
+						c_hi = ZM_CH_G_1 + (ch - 1) * 5;
+				} else {
+					// calculate 5GHz low boundary channel frequency
+					ch = countryInfo[index];
+					if ( (ch >= 184)&&(ch <= 196) )
+						c_lo = 4000 + ch*5;
+					else
+						c_lo = 5000 + ch*5;
+					// calculate 5GHz high boundary channel frequency
+					ch = countryInfo[index] + countryInfo[index + 1] - 1;
+					if ( (ch >= 184)&&(ch <= 196) )
+						c_hi = 4000 + ch*5;
+					else
+						c_hi = 5000 + ch*5;
+				}
 
-            //while (index < (countryInfo[1]+2))
-            //{
-            //  if (countryInfo[index] <= 14)
-            //  {
-            //        /* calculate 2.4GHz low boundary channel frequency */
-            //        ch = countryInfo[index];
-            //        if ( ch == 14 )
-            //            c_lo = ZM_CH_G_14;
-            //        else
-            //            c_lo = ZM_CH_G_1 + (ch - 1) * 5;
-            //        /* calculate 2.4GHz high boundary channel frequency */
-            //        ch = countryInfo[index] + countryInfo[index + 1] - 1;
-            //        if ( ch == 14 )
-            //            c_hi = ZM_CH_G_14;
-            //        else
-            //            c_hi = ZM_CH_G_1 + (ch - 1) * 5;
-            //  }
-            //  else
-            //  {
-            //        /* calculate 5GHz low boundary channel frequency */
-            //        ch = countryInfo[index];
-            //        if ( (ch >= 184)&&(ch <= 196) )
-            //            c_lo = 4000 + ch*5;
-            //        else
-            //            c_lo = 5000 + ch*5;
-            //        /* calculate 5GHz high boundary channel frequency */
-            //        ch = countryInfo[index] + countryInfo[index + 1] - 1;
-            //        if ( (ch >= 184)&&(ch <= 196) )
-            //            c_hi = 4000 + ch*5;
-            //        else
-            //            c_hi = 5000 + ch*5;
-            //  }
-            //
-            //  zfHpGetRegulationTable(dev, RegDomain, c_lo, c_hi);
-            //
-            //  index+=3;
-            //}
+			zfHpGetRegulationTable(dev, RegDomain, c_lo, c_hi);
 
-            return 0;
-        }
-    }
-    //zm_debug_msg_s("Invalid iso name = ", &countryInfo[2]);
-    return 1;
+			index+=3;
+			}
+			*/
+			return 0;
+		}
+	}
+	/* zm_debug_msg_s("Invalid iso name = ", &countryInfo[2]); */
+	return 1;
 }
 
-const char* zfHpGetisoNamefromregionCode(zdev_t* dev, u16_t regionCode)
+const char *zfHpGetisoNamefromregionCode(zdev_t *dev, u16_t regionCode)
 {
-    u16_t i;
+	u16_t i;
 
-    for (i = 0; i < N(allCountries); i++)
-    {
-        if (allCountries[i].regDmnEnum == regionCode)
-        {
-            return allCountries[i].isoName;
-        }
-    }
-    /* no matching item, return default */
-    return allCountries[0].isoName;
+	for (i = 0; i < N(allCountries); i++) {
+		if (allCountries[i].regDmnEnum == regionCode)
+			return allCountries[i].isoName;
+	}
+	/* no matching item, return default */
+	return allCountries[0].isoName;
 }
 
-u16_t zfHpGetRegionCodeFromIsoName(zdev_t* dev, u8_t *countryIsoName)
+u16_t zfHpGetRegionCodeFromIsoName(zdev_t *dev, u8_t *countryIsoName)
 {
-    u16_t i;
-    u16_t regionCode;
+	u16_t i;
+	u16_t regionCode;
 
-    /* if no matching item, return default */
-    regionCode = DEF_REGDMN;
+	/* if no matching item, return default */
+	regionCode = DEF_REGDMN;
 
-    for (i = 0; i < N(allCountries); i++)
-    {
-        if (zfMemoryIsEqual((u8_t *)allCountries[i].isoName, countryIsoName, 2))
-        {
-            regionCode = allCountries[i].regDmnEnum;
-            break;
-        }
-    }
+	for (i = 0; i < N(allCountries); i++) {
+		if (zfMemoryIsEqual((u8_t *)allCountries[i].isoName, countryIsoName, 2)) {
+			regionCode = allCountries[i].regDmnEnum;
+		break;
+		}
+	}
 
-    return regionCode;
+	return regionCode;
 }
 
 /************************************************************************/
@@ -2029,323 +1980,294 @@ u16_t zfHpGetRegionCodeFromIsoName(zdev_t* dev, u8_t *countryIsoName)
 /*      Chao-Wen Yang         ZyDAS Technology Corporation    2007.3    */
 /*                                                                      */
 /************************************************************************/
-u16_t zfHpDeleteAllowChannel(zdev_t* dev, u16_t freq)
+u16_t zfHpDeleteAllowChannel(zdev_t *dev, u16_t freq)
 {
-    u16_t i, bandIndex = 0;
-    u16_t dfs5GBand[][2] = {{5150, 5240}, {5260, 5350}, {5450, 5700}, {5725, 5825}};
+	u16_t i, bandIndex = 0;
+	u16_t dfs5GBand[][2] = { {5150, 5240}, {5260, 5350}, {5450, 5700}, {5725, 5825} };
 
-    zmw_get_wlan_dev(dev);
-    /* Find which band does this frequency belong */
-    for (i = 0; i < 4; i++)
-    {
-        if ((freq >= dfs5GBand[i][0]) && (freq <= dfs5GBand[i][1]))
-            bandIndex = i + 1;
-    }
+	zmw_get_wlan_dev(dev);
+	/* Find which band does this frequency belong */
+	for (i = 0; i < 4; i++) {
+		if ((freq >= dfs5GBand[i][0]) && (freq <= dfs5GBand[i][1]))
+			bandIndex = i + 1;
+	}
 
-    if (bandIndex == 0)
-    {
-        /* 2.4G, don't care */
-        return 0;
-    }
-    else
-    {
-        bandIndex--;
-    }
-    /* Set all channels in this band to passive scan */
-    for (i = 0; i < wd->regulationTable.allowChannelCnt; i++)
-    {
-        if ((wd->regulationTable.allowChannel[i].channel >= dfs5GBand[bandIndex][0]) &&
-            (wd->regulationTable.allowChannel[i].channel <= dfs5GBand[bandIndex][1]))
-        {
-            /* if channel is not passive, set it to be passive and mark it */
-            if ((wd->regulationTable.allowChannel[i].channelFlags &
-                    ZM_REG_FLAG_CHANNEL_PASSIVE) == 0)
-            {
-                wd->regulationTable.allowChannel[i].channelFlags |=
-                        (ZM_REG_FLAG_CHANNEL_PASSIVE | ZM_REG_FLAG_CHANNEL_CSA);
-            }
-        }
-    }
+	if (bandIndex == 0) {
+		/* 2.4G, don't care */
+		return 0;
+	} else
+		bandIndex--;
+	/* Set all channels in this band to passive scan */
+	for (i = 0; i < wd->regulationTable.allowChannelCnt; i++) {
+		if ((wd->regulationTable.allowChannel[i].channel >= dfs5GBand[bandIndex][0]) &&
+			(wd->regulationTable.allowChannel[i].channel <= dfs5GBand[bandIndex][1])) {
+			/* if channel is not passive, set it to be passive and mark it */
+			if ((wd->regulationTable.allowChannel[i].channelFlags &
+				ZM_REG_FLAG_CHANNEL_PASSIVE) == 0) {
+				wd->regulationTable.allowChannel[i].channelFlags |=
+				(ZM_REG_FLAG_CHANNEL_PASSIVE | ZM_REG_FLAG_CHANNEL_CSA);
+			}
+		}
+	}
 
-    return 0;
+	return 0;
 }
 
-u16_t zfHpAddAllowChannel(zdev_t* dev, u16_t freq)
+u16_t zfHpAddAllowChannel(zdev_t *dev, u16_t freq)
 {
-    u16_t i, j, arrayIndex;
+	u16_t i, j, arrayIndex;
 
-    zmw_get_wlan_dev(dev);
+	zmw_get_wlan_dev(dev);
 
-    for (i = 0; i < wd->regulationTable.allowChannelCnt; i++)
-    {
-        if (wd->regulationTable.allowChannel[i].channel == freq)
-            break;
-    }
+	for (i = 0; i < wd->regulationTable.allowChannelCnt; i++) {
+		if (wd->regulationTable.allowChannel[i].channel == freq)
+			break;
+	}
 
-    if ( i == wd->regulationTable.allowChannelCnt)
-    {
-        for (j = 0; j < wd->regulationTable.allowChannelCnt; j++)
-        {
-            if (wd->regulationTable.allowChannel[j].channel > freq)
-                break;
-        }
+	if (i == wd->regulationTable.allowChannelCnt) {
+		for (j = 0; j < wd->regulationTable.allowChannelCnt; j++) {
+			if (wd->regulationTable.allowChannel[j].channel > freq)
+				break;
+		}
 
-        //zm_debug_msg1("CWY - add frequency = ", freq);
-        //zm_debug_msg1("CWY - channel array index = ", j);
+		/* zm_debug_msg1("CWY - add frequency = ", freq);
+		zm_debug_msg1("CWY - channel array index = ", j); */
 
-        arrayIndex = j;
+		arrayIndex = j;
 
-        if (arrayIndex < wd->regulationTable.allowChannelCnt)
-        {
-            for (j = wd->regulationTable.allowChannelCnt; j > arrayIndex; j--)
-                wd->regulationTable.allowChannel[j] = wd->regulationTable.allowChannel[j - 1];
-        }
-        wd->regulationTable.allowChannel[arrayIndex].channel = freq;
+		if (arrayIndex < wd->regulationTable.allowChannelCnt) {
+			for (j = wd->regulationTable.allowChannelCnt; j > arrayIndex; j--)
+				wd->regulationTable.allowChannel[j] = wd->regulationTable.allowChannel[j - 1];
+		}
+	wd->regulationTable.allowChannel[arrayIndex].channel = freq;
 
-        wd->regulationTable.allowChannelCnt++;
-    }
+	wd->regulationTable.allowChannelCnt++;
+	}
 
-    return 0;
+	return 0;
 }
 
-u16_t zfHpIsDfsChannelNCS(zdev_t* dev, u16_t freq)
+u16_t zfHpIsDfsChannelNCS(zdev_t *dev, u16_t freq)
 {
-    u8_t flag = ZM_REG_FLAG_CHANNEL_DFS;
-    u16_t i;
-    zmw_get_wlan_dev(dev);
+	u8_t flag = ZM_REG_FLAG_CHANNEL_DFS;
+	u16_t i;
+	zmw_get_wlan_dev(dev);
 
-    for (i = 0; i < wd->regulationTable.allowChannelCnt; i++)
-    {
-        //DbgPrint("DFS:freq=%d, chan=%d", freq, wd->regulationTable.allowChannel[i].channel);
-        if (wd->regulationTable.allowChannel[i].channel == freq)
-        {
-            flag = wd->regulationTable.allowChannel[i].privFlags;
-            break;
-        }
-    }
+	for (i = 0; i < wd->regulationTable.allowChannelCnt; i++) {
+		/* DbgPrint("DFS:freq=%d, chan=%d", freq, wd->regulationTable.allowChannel[i].channel); */
+		if (wd->regulationTable.allowChannel[i].channel == freq) {
+			flag = wd->regulationTable.allowChannel[i].privFlags;
+			break; }
+	}
 
-    return (flag & (ZM_REG_FLAG_CHANNEL_DFS|ZM_REG_FLAG_CHANNEL_DFS_CLEAR));
+	return flag & (ZM_REG_FLAG_CHANNEL_DFS|ZM_REG_FLAG_CHANNEL_DFS_CLEAR);
 }
 
-u16_t zfHpIsDfsChannel(zdev_t* dev, u16_t freq)
+u16_t zfHpIsDfsChannel(zdev_t *dev, u16_t freq)
 {
-    u8_t flag = ZM_REG_FLAG_CHANNEL_DFS;
-    u16_t i;
-    zmw_get_wlan_dev(dev);
+	u8_t flag = ZM_REG_FLAG_CHANNEL_DFS;
+	u16_t i;
+	zmw_get_wlan_dev(dev);
 
-    zmw_declare_for_critical_section();
+	zmw_declare_for_critical_section();
 
-    zmw_enter_critical_section(dev);
+	zmw_enter_critical_section(dev);
 
-    for (i = 0; i < wd->regulationTable.allowChannelCnt; i++)
-    {
-        //DbgPrint("DFS:freq=%d, chan=%d", freq, wd->regulationTable.allowChannel[i].channel);
-        if (wd->regulationTable.allowChannel[i].channel == freq)
-        {
-            flag = wd->regulationTable.allowChannel[i].privFlags;
-            break;
-        }
-    }
+	for (i = 0; i < wd->regulationTable.allowChannelCnt; i++) {
+		/* DbgPrint("DFS:freq=%d, chan=%d", freq, wd->regulationTable.allowChannel[i].channel); */
+		if (wd->regulationTable.allowChannel[i].channel == freq) {
+			flag = wd->regulationTable.allowChannel[i].privFlags;
+			break;
+		}
+	}
 
-    zmw_leave_critical_section(dev);
+	zmw_leave_critical_section(dev);
 
-    return (flag & (ZM_REG_FLAG_CHANNEL_DFS|ZM_REG_FLAG_CHANNEL_DFS_CLEAR));
+	return flag & (ZM_REG_FLAG_CHANNEL_DFS|ZM_REG_FLAG_CHANNEL_DFS_CLEAR);
 }
 
-u16_t zfHpIsAllowedChannel(zdev_t* dev, u16_t freq)
+u16_t zfHpIsAllowedChannel(zdev_t *dev, u16_t freq)
 {
-    u16_t i;
-    zmw_get_wlan_dev(dev);
+	u16_t i;
+	zmw_get_wlan_dev(dev);
 
-    for (i = 0; i < wd->regulationTable.allowChannelCnt; i++)
-    {
-        if (wd->regulationTable.allowChannel[i].channel == freq)
-        {
-            return 1;
-        }
-    }
+	for (i = 0; i < wd->regulationTable.allowChannelCnt; i++) {
+		if (wd->regulationTable.allowChannel[i].channel == freq)
+			return 1;
+	}
 
-    return 0;
+	return 0;
 }
 
-u16_t zfHpFindFirstNonDfsChannel(zdev_t* dev, u16_t aBand)
+u16_t zfHpFindFirstNonDfsChannel(zdev_t *dev, u16_t aBand)
 {
-    u16_t chan = 2412;
-    u16_t i;
-    zmw_get_wlan_dev(dev);
+	u16_t chan = 2412;
+	u16_t i;
+	zmw_get_wlan_dev(dev);
 
-    zmw_declare_for_critical_section();
+	zmw_declare_for_critical_section();
 
-    zmw_enter_critical_section(dev);
+	zmw_enter_critical_section(dev);
 
-    for (i = 0; i < wd->regulationTable.allowChannelCnt; i++)
-    {
-        if ((wd->regulationTable.allowChannel[i].privFlags & ZM_REG_FLAG_CHANNEL_DFS) != 0)
-        {
-            if (aBand)
-            {
-                if (wd->regulationTable.allowChannel[i].channel > 3000)
-                {
-                    chan = wd->regulationTable.allowChannel[i].channel;
-                    break;
-                }
-            }
-            else
-            {
-                if (wd->regulationTable.allowChannel[i].channel < 3000)
-                {
-                    chan = wd->regulationTable.allowChannel[i].channel;
-                    break;
-                }
-            }
-        }
-    }
+	for (i = 0; i < wd->regulationTable.allowChannelCnt; i++) {
+		if ((wd->regulationTable.allowChannel[i].privFlags & ZM_REG_FLAG_CHANNEL_DFS) != 0) {
+			if (aBand) {
+				if (wd->regulationTable.allowChannel[i].channel > 3000) {
+					chan = wd->regulationTable.allowChannel[i].channel;
+					break;
+				}
+			} else {
+				if (wd->regulationTable.allowChannel[i].channel < 3000) {
+					chan = wd->regulationTable.allowChannel[i].channel;
+					break;
+				}
+			}
+		}
+	}
 
-    zmw_leave_critical_section(dev);
+	zmw_leave_critical_section(dev);
 
-    return chan;
+	return chan;
 }
 
 
 /* porting from ACU */
 /* save RegulatoryDomain in hpriv */
-u8_t zfHpGetRegulatoryDomain(zdev_t* dev)
+u8_t zfHpGetRegulatoryDomain(zdev_t *dev)
 {
-    zmw_get_wlan_dev(dev);
+	zmw_get_wlan_dev(dev);
 
-    switch (wd->regulationTable.regionCode)
-    {
-        case NO_ENUMRD:
-            return 0;
-            break;
-        case FCC1_FCCA:
-        case FCC1_WORLD:
-        case FCC4_FCCA:
-        case FCC5_FCCA:
-        case FCC2_WORLD:
-        case FCC2_ETSIC:
-        case FCC3_FCCA:
-        case FCC3_WORLD:
-        case FCC1:
-        case FCC2:
-        case FCC3:
-        case FCC4:
-        case FCC5:
-        case FCCA:
-            return 0x10;//WG_AMERICAS DOT11_REG_DOMAIN_FCC  United States
-            break;
+	switch (wd->regulationTable.regionCode) {
+	case NO_ENUMRD:
+		return 0;
+		break;
+	case FCC1_FCCA:
+	case FCC1_WORLD:
+	case FCC4_FCCA:
+	case FCC5_FCCA:
+	case FCC2_WORLD:
+	case FCC2_ETSIC:
+	case FCC3_FCCA:
+	case FCC3_WORLD:
+	case FCC1:
+	case FCC2:
+	case FCC3:
+	case FCC4:
+	case FCC5:
+	case FCCA:
+		return 0x10;/* WG_AMERICAS DOT11_REG_DOMAIN_FCC  United States */
+		break;
 
-        case FCC2_FCCA:
-            return 0x20;//DOT11_REG_DOMAIN_DOC  Canada
-            break;
+	case FCC2_FCCA:
+		return 0x20;/* DOT11_REG_DOMAIN_DOC  Canada */
+		break;
 
-        case ETSI1_WORLD:
-        case ETSI3_ETSIA:
-        case ETSI2_WORLD:
-        case ETSI3_WORLD:
-        case ETSI4_WORLD:
-        case ETSI4_ETSIC:
-        case ETSI5_WORLD:
-        case ETSI6_WORLD:
-        case ETSI_RESERVED:
-        case ETSI1:
-        case ETSI2:
-        case ETSI3:
-        case ETSI4:
-        case ETSI5:
-        case ETSI6:
-        case ETSIA:
-        case ETSIB:
-        case ETSIC:
-            return 0x30;//WG_EMEA DOT11_REG_DOMAIN_ETSI  Most of Europe
-            break;
+	case ETSI1_WORLD:
+	case ETSI3_ETSIA:
+	case ETSI2_WORLD:
+	case ETSI3_WORLD:
+	case ETSI4_WORLD:
+	case ETSI4_ETSIC:
+	case ETSI5_WORLD:
+	case ETSI6_WORLD:
+	case ETSI_RESERVED:
+	case ETSI1:
+	case ETSI2:
+	case ETSI3:
+	case ETSI4:
+	case ETSI5:
+	case ETSI6:
+	case ETSIA:
+	case ETSIB:
+	case ETSIC:
+		return 0x30;/* WG_EMEA DOT11_REG_DOMAIN_ETSI  Most of Europe */
+		break;
 
-        case MKK1_MKKA:
-        case MKK1_MKKB:
-        case MKK2_MKKA:
-        case MKK1_FCCA:
-        case MKK1_MKKA1:
-        case MKK1_MKKA2:
-        case MKK1_MKKC:
-        case MKK3_MKKB:
-        case MKK3_MKKA2:
-        case MKK3_MKKC:
-        case MKK4_MKKB:
-        case MKK4_MKKA2:
-        case MKK4_MKKC:
-        case MKK5_MKKB:
-        case MKK5_MKKA2:
-        case MKK5_MKKC:
-        case MKK6_MKKB:
-        case MKK6_MKKA2:
-        case MKK6_MKKC:
-        case MKK7_MKKB:
-        case MKK7_MKKA:
-        case MKK7_MKKC:
-        case MKK8_MKKB:
-        case MKK8_MKKA2:
-        case MKK8_MKKC:
-        case MKK6_MKKA1:
-        case MKK6_FCCA:
-        case MKK7_MKKA1:
-        case MKK7_FCCA:
-        case MKK9_FCCA:
-        case MKK9_MKKA1:
-        case MKK9_MKKC:
-        case MKK9_MKKA2:
-        case MKK10_FCCA:
-        case MKK10_MKKA1:
-        case MKK10_MKKC:
-        case MKK10_MKKA2:
-        case MKK11_MKKA:
-        case MKK11_FCCA:
-        case MKK11_MKKA1:
-        case MKK11_MKKC:
-        case MKK11_MKKA2:
-        case MKK12_MKKA:
-        case MKK12_FCCA:
-        case MKK12_MKKA1:
-        case MKK12_MKKC:
-        case MKK12_MKKA2:
-        case MKK3_MKKA:
-        case MKK3_MKKA1:
-        case MKK3_FCCA:
-        case MKK4_MKKA:
-        case MKK4_MKKA1:
-        case MKK4_FCCA:
-        case MKK9_MKKA:
-        case MKK10_MKKA:
-        case MKK1:
-        case MKK2:
-        case MKK3:
-        case MKK4:
-        case MKK5:
-        case MKK6:
-        case MKK7:
-        case MKK8:
-        case MKK9:
-        case MKK10:
-        case MKK11:
-        case MKK12:
-        case MKKA:
-        case MKKC:
-            return 0x40;//WG_JAPAN DOT11_REG_DOMAIN_MKK  Japan
-            break;
+	case MKK1_MKKA:
+	case MKK1_MKKB:
+	case MKK2_MKKA:
+	case MKK1_FCCA:
+	case MKK1_MKKA1:
+	case MKK1_MKKA2:
+	case MKK1_MKKC:
+	case MKK3_MKKB:
+	case MKK3_MKKA2:
+	case MKK3_MKKC:
+	case MKK4_MKKB:
+	case MKK4_MKKA2:
+	case MKK4_MKKC:
+	case MKK5_MKKB:
+	case MKK5_MKKA2:
+	case MKK5_MKKC:
+	case MKK6_MKKB:
+	case MKK6_MKKA2:
+	case MKK6_MKKC:
+	case MKK7_MKKB:
+	case MKK7_MKKA:
+	case MKK7_MKKC:
+	case MKK8_MKKB:
+	case MKK8_MKKA2:
+	case MKK8_MKKC:
+	case MKK6_MKKA1:
+	case MKK6_FCCA:
+	case MKK7_MKKA1:
+	case MKK7_FCCA:
+	case MKK9_FCCA:
+	case MKK9_MKKA1:
+	case MKK9_MKKC:
+	case MKK9_MKKA2:
+	case MKK10_FCCA:
+	case MKK10_MKKA1:
+	case MKK10_MKKC:
+	case MKK10_MKKA2:
+	case MKK11_MKKA:
+	case MKK11_FCCA:
+	case MKK11_MKKA1:
+	case MKK11_MKKC:
+	case MKK11_MKKA2:
+	case MKK12_MKKA:
+	case MKK12_FCCA:
+	case MKK12_MKKA1:
+	case MKK12_MKKC:
+	case MKK12_MKKA2:
+	case MKK3_MKKA:
+	case MKK3_MKKA1:
+	case MKK3_FCCA:
+	case MKK4_MKKA:
+	case MKK4_MKKA1:
+	case MKK4_FCCA:
+	case MKK9_MKKA:
+	case MKK10_MKKA:
+	case MKK1:
+	case MKK2:
+	case MKK3:
+	case MKK4:
+	case MKK5:
+	case MKK6:
+	case MKK7:
+	case MKK8:
+	case MKK9:
+	case MKK10:
+	case MKK11:
+	case MKK12:
+	case MKKA:
+	case MKKC:
+		return 0x40;/* WG_JAPAN DOT11_REG_DOMAIN_MKK  Japan */
+		break;
 
-        default:
-            break;
-    }
-    return 0xFF;// Didn't input RegDmn by mean to distinguish by customer
+	default:
+		break;
+	}
 
+	return 0xFF; /* Didn't input RegDmn by mean to distinguish by customer */
 }
 
-
-void zfHpDisableDfsChannel(zdev_t* dev, u8_t disableFlag)
+void zfHpDisableDfsChannel(zdev_t *dev, u8_t disableFlag)
 {
-    struct zsHpPriv* hpPriv;
+	struct zsHpPriv *hpPriv;
 
-    zmw_get_wlan_dev(dev);
-    hpPriv=wd->hpPrivate;
-    hpPriv->disableDfsCh = disableFlag;
-    return;
+	zmw_get_wlan_dev(dev);
+	hpPriv = wd->hpPrivate;
+	hpPriv->disableDfsCh = disableFlag;
+	return;
 }

From 46712df6c705d2b6e4189c94b94209847e4931ab Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:55 +0100
Subject: [PATCH 0816/3638] Staging: batman-adv: send.c: Checkpatch cleanup

drivers/staging/batman-adv/send.c:137: CHECK: multiple assignments should be avoided

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/send.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index 2a9fac8c240..ff7b1f10684 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -134,7 +134,8 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
 	if (batman_if->if_active != IF_ACTIVE)
 		return;
 
-	packet_num = buff_pos = 0;
+	packet_num = 0;
+	buff_pos = 0;
 	batman_packet = (struct batman_packet *)
 		(forw_packet->packet_buff);
 

From 289d4e1b17fd1e29e30929cf1941b7d3349d748f Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Mon, 1 Mar 2010 00:28:56 +0100
Subject: [PATCH 0817/3638] Staging: otus: hpfwu_BA.c: Checkpatch cleanup

drivers/staging/otus/hal/hpfwu_BA.c:874: ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpfwu_BA.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/otus/hal/hpfwu_BA.c b/drivers/staging/otus/hal/hpfwu_BA.c
index 0c741571f2b..f89419b3743 100644
--- a/drivers/staging/otus/hal/hpfwu_BA.c
+++ b/drivers/staging/otus/hal/hpfwu_BA.c
@@ -871,4 +871,4 @@ const u32_t zcFwImage[] = {
 0x00000000, 0x00000000, 0x00000000, 0x00000000,
 0x00000000, 0x00000000, };
 
-const u32_t zcFwImageSize=13656;
+const u32_t zcFwImageSize = 13656;

From 588063a10f4e21cd3a2cc693c0c1ebb846ac4ce5 Mon Sep 17 00:00:00 2001
From: Ellwyn Cole <ellwync@googlemail.com>
Date: Mon, 1 Mar 2010 17:43:50 +0000
Subject: [PATCH 0818/3638] staging: comedi: Fix 80 characters limit and printk
 issues in skel.c

This is a patch to the skel.c file that fixes the 80 characters limit and
printk warnings found by the checkpatch.pl tool

Signed-off-by: Ellwyn Cole <ellwync@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/skel.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/comedi/drivers/skel.c b/drivers/staging/comedi/drivers/skel.c
index aba57d93dd3..490753b3d90 100644
--- a/drivers/staging/comedi/drivers/skel.c
+++ b/drivers/staging/comedi/drivers/skel.c
@@ -131,7 +131,8 @@ MODULE_DEVICE_TABLE(pci, skel_pci_table);
 
 /* this structure is for data unique to this hardware driver.  If
    several hardware drivers keep similar information in this structure,
-   feel free to suggest moving the variable to the struct comedi_device struct.  */
+   feel free to suggest moving the variable to the struct comedi_device struct.
+ */
 struct skel_private {
 
 	int data;
@@ -211,7 +212,7 @@ static int skel_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
 	struct comedi_subdevice *s;
 
-	printk("comedi%d: skel: ", dev->minor);
+	pr_info("comedi%d: skel: ", dev->minor);
 
 /*
  * If you can probe the device to determine what device in a series
@@ -282,7 +283,7 @@ static int skel_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		s->type = COMEDI_SUBD_UNUSED;
 	}
 
-	printk("attached\n");
+	pr_info("attached\n");
 
 	return 0;
 }
@@ -297,7 +298,7 @@ static int skel_attach(struct comedi_device *dev, struct comedi_devconfig *it)
  */
 static int skel_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: skel: remove\n", dev->minor);
+	pr_info("comedi%d: skel: remove\n", dev->minor);
 
 	return 0;
 }
@@ -336,7 +337,7 @@ static int skel_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 		if (i == TIMEOUT) {
 			/* printk() should be used instead of printk()
 			 * whenever the code can be called from real-time. */
-			printk("timeout\n");
+			pr_info("timeout\n");
 			return -ETIMEDOUT;
 		}
 
@@ -397,7 +398,8 @@ static int skel_ai_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/* step 2: make sure trigger sources are unique and mutually compatible
+     */
 
 	/* note that mutual compatibility is not an issue here */
 	if (cmd->scan_begin_src != TRIG_TIMER &&
@@ -529,7 +531,7 @@ static int skel_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
 	int i;
 	int chan = CR_CHAN(insn->chanspec);
 
-	printk("skel_ao_winsn\n");
+	pr_info("skel_ao_winsn\n");
 	/* Writing a list of values to an AO channel is probably not
 	 * very useful, but that's how the interface is defined. */
 	for (i = 0; i < insn->n; i++) {
@@ -623,6 +625,7 @@ static int skel_dio_insn_config(struct comedi_device *dev,
  * as necessary.
  */
 COMEDI_INITCLEANUP(driver_skel);
-/* If you are writing a PCI driver you should use COMEDI_PCI_INITCLEANUP instead.
-*/
+/* If you are writing a PCI driver you should use COMEDI_PCI_INITCLEANUP
+ * instead.
+ */
 /* COMEDI_PCI_INITCLEANUP(driver_skel, skel_pci_table) */

From 50ee11fe383255db8e5c3307319d470015616f27 Mon Sep 17 00:00:00 2001
From: Bob Beers <bob.beers@gmail.com>
Date: Thu, 4 Mar 2010 08:40:46 -0500
Subject: [PATCH 0819/3638] staging: Add driver to support wanPMC-CxT1E1 card.

Obviously still needs serious attention, but it compiles.

Original author: Rick Dobbs

Add driver to support wanPMC-CxT1E1 card.

This card provides 1-4 ports of T1E1 in PMC form factor.

Note, Rick doesn't want his email showing up as the "From:" author, but
has given his blessing to have the code included in the kernel tree.

Signed-off-by: Bob Beers <bob.beers@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                      |    2 +
 drivers/staging/Makefile                     |    1 +
 drivers/staging/cxt1e1/Kconfig               |   22 +
 drivers/staging/cxt1e1/Makefile              |   19 +
 drivers/staging/cxt1e1/comet.c               |  566 +++++
 drivers/staging/cxt1e1/comet.h               |  366 +++
 drivers/staging/cxt1e1/comet_tables.c        |  561 +++++
 drivers/staging/cxt1e1/comet_tables.h        |   85 +
 drivers/staging/cxt1e1/functions.c           |  366 +++
 drivers/staging/cxt1e1/hwprobe.c             |  400 ++++
 drivers/staging/cxt1e1/libsbew.h             |  581 +++++
 drivers/staging/cxt1e1/linux.c               | 1354 +++++++++++
 drivers/staging/cxt1e1/musycc.c              | 2180 ++++++++++++++++++
 drivers/staging/cxt1e1/musycc.h              |  460 ++++
 drivers/staging/cxt1e1/ossiRelease.c         |   39 +
 drivers/staging/cxt1e1/pmc93x6_eeprom.c      |  559 +++++
 drivers/staging/cxt1e1/pmc93x6_eeprom.h      |   60 +
 drivers/staging/cxt1e1/pmcc4.h               |  155 ++
 drivers/staging/cxt1e1/pmcc4_cpld.h          |  124 +
 drivers/staging/cxt1e1/pmcc4_defs.h          |   82 +
 drivers/staging/cxt1e1/pmcc4_drv.c           | 1855 +++++++++++++++
 drivers/staging/cxt1e1/pmcc4_ioctls.h        |   81 +
 drivers/staging/cxt1e1/pmcc4_private.h       |  295 +++
 drivers/staging/cxt1e1/pmcc4_sysdep.h        |   62 +
 drivers/staging/cxt1e1/sbe_bid.h             |   61 +
 drivers/staging/cxt1e1/sbe_promformat.h      |  157 ++
 drivers/staging/cxt1e1/sbecom_inline_linux.h |  310 +++
 drivers/staging/cxt1e1/sbecrc.c              |  137 ++
 drivers/staging/cxt1e1/sbeid.c               |  217 ++
 drivers/staging/cxt1e1/sbeproc.c             |  358 +++
 drivers/staging/cxt1e1/sbeproc.h             |   52 +
 drivers/staging/cxt1e1/sbew_ioc.h            |  136 ++
 32 files changed, 11703 insertions(+)
 create mode 100644 drivers/staging/cxt1e1/Kconfig
 create mode 100644 drivers/staging/cxt1e1/Makefile
 create mode 100644 drivers/staging/cxt1e1/comet.c
 create mode 100644 drivers/staging/cxt1e1/comet.h
 create mode 100644 drivers/staging/cxt1e1/comet_tables.c
 create mode 100644 drivers/staging/cxt1e1/comet_tables.h
 create mode 100644 drivers/staging/cxt1e1/functions.c
 create mode 100644 drivers/staging/cxt1e1/hwprobe.c
 create mode 100644 drivers/staging/cxt1e1/libsbew.h
 create mode 100644 drivers/staging/cxt1e1/linux.c
 create mode 100644 drivers/staging/cxt1e1/musycc.c
 create mode 100644 drivers/staging/cxt1e1/musycc.h
 create mode 100644 drivers/staging/cxt1e1/ossiRelease.c
 create mode 100644 drivers/staging/cxt1e1/pmc93x6_eeprom.c
 create mode 100644 drivers/staging/cxt1e1/pmc93x6_eeprom.h
 create mode 100644 drivers/staging/cxt1e1/pmcc4.h
 create mode 100644 drivers/staging/cxt1e1/pmcc4_cpld.h
 create mode 100644 drivers/staging/cxt1e1/pmcc4_defs.h
 create mode 100644 drivers/staging/cxt1e1/pmcc4_drv.c
 create mode 100644 drivers/staging/cxt1e1/pmcc4_ioctls.h
 create mode 100644 drivers/staging/cxt1e1/pmcc4_private.h
 create mode 100644 drivers/staging/cxt1e1/pmcc4_sysdep.h
 create mode 100644 drivers/staging/cxt1e1/sbe_bid.h
 create mode 100644 drivers/staging/cxt1e1/sbe_promformat.h
 create mode 100644 drivers/staging/cxt1e1/sbecom_inline_linux.h
 create mode 100644 drivers/staging/cxt1e1/sbecrc.c
 create mode 100644 drivers/staging/cxt1e1/sbeid.c
 create mode 100644 drivers/staging/cxt1e1/sbeproc.c
 create mode 100644 drivers/staging/cxt1e1/sbeproc.h
 create mode 100644 drivers/staging/cxt1e1/sbew_ioc.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 7696a664f8a..8db8632541f 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -139,5 +139,7 @@ source "drivers/staging/dt3155/Kconfig"
 
 source "drivers/staging/crystalhd/Kconfig"
 
+source "drivers/staging/cxt1e1/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index ea2e70e2fed..ab61e2601ff 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -51,3 +51,4 @@ obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave/
 obj-$(CONFIG_FB_SM7XX)		+= sm7xx/
 obj-$(CONFIG_DT3155)		+= dt3155/
 obj-$(CONFIG_CRYSTALHD)		+= crystalhd/
+obj-$(CONFIG_CXT1E1)		+= cxt1e1/
diff --git a/drivers/staging/cxt1e1/Kconfig b/drivers/staging/cxt1e1/Kconfig
new file mode 100644
index 00000000000..68e9b6d973f
--- /dev/null
+++ b/drivers/staging/cxt1e1/Kconfig
@@ -0,0 +1,22 @@
+config CXT1E1
+	tristate "SBE wanPMC-C[421]E1T1 hardware support"
+	depends on HDLC && PCI
+	---help---
+      This driver supports the SBE wanPMC-CxT1E1 1, 2 and 4 port T3
+      channelized stream WAN adapter card which contains a HDLC/Transparent
+      mode controller.
+
+      If you want to compile this driver as a module
+      say M here and read <file:Documentation/modules.txt>.
+      The module will be called 'cxt1e1'.
+
+      If unsure, say N.
+
+config SBE_PMCC4_NCOMM
+	bool "SBE PMCC4 NCOMM support"
+	depends on CXT1E1
+	---help---
+      SBE supplies optional support for NCOMM products.
+
+      If you have purchased this optional support you must say Y or M
+      here to allow the driver to operate with the NCOMM product.
diff --git a/drivers/staging/cxt1e1/Makefile b/drivers/staging/cxt1e1/Makefile
new file mode 100644
index 00000000000..10020d7b79a
--- /dev/null
+++ b/drivers/staging/cxt1e1/Makefile
@@ -0,0 +1,19 @@
+obj-$(CONFIG_CXT1E1)	+= cxt1e1.o
+
+EXTRA_CFLAGS += -DSBE_PMCC4_ENABLE
+EXTRA_CFLAGS += -DSBE_ISR_TASKLET
+EXTRA_CFLAGS += -DSBE_INCLUDE_SYMBOLS
+
+cxt1e1-objs += 	\
+  ossiRelease.o 	\
+  musycc.o 		\
+  pmcc4_drv.o 		\
+  comet.o 		\
+  linux.o 		\
+  functions.o 		\
+  hwprobe.o 		\
+  sbeproc.o 		\
+  pmc93x6_eeprom.o 	\
+  sbecrc.o 		\
+  comet_tables.o 	\
+  sbeid.o
diff --git a/drivers/staging/cxt1e1/comet.c b/drivers/staging/cxt1e1/comet.c
new file mode 100644
index 00000000000..b7090996703
--- /dev/null
+++ b/drivers/staging/cxt1e1/comet.c
@@ -0,0 +1,566 @@
+/* Copyright (C) 2003-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include <asm/io.h>
+#include <linux/hdlc.h>
+#include "pmcc4_sysdep.h"
+#include "sbecom_inline_linux.h"
+#include "libsbew.h"
+#include "pmcc4.h"
+#include "comet.h"
+#include "comet_tables.h"
+
+#ifdef SBE_INCLUDE_SYMBOLS
+#define STATIC
+#else
+#define STATIC  static
+#endif
+
+
+extern int  log_level;
+
+#define COMET_NUM_SAMPLES   24  /* Number of entries in the waveform table */
+#define COMET_NUM_UNITS     5   /* Number of points per entry in table */
+
+/* forward references */
+STATIC void SetPwrLevel (comet_t * comet);
+STATIC void WrtRcvEqualizerTbl (ci_t * ci, comet_t * comet, u_int32_t *table);
+STATIC void WrtXmtWaveformTbl (ci_t * ci, comet_t * comet, u_int8_t table[COMET_NUM_SAMPLES][COMET_NUM_UNITS]);
+
+
+void       *TWV_table[12] = {
+    TWVLongHaul0DB, TWVLongHaul7_5DB, TWVLongHaul15DB, TWVLongHaul22_5DB,
+    TWVShortHaul0, TWVShortHaul1, TWVShortHaul2, TWVShortHaul3, TWVShortHaul4,
+    TWVShortHaul5,
+    TWV_E1_75Ohm,    /** PORT POINT - 75 Ohm not supported **/
+    TWV_E1_120Ohm
+};
+
+
+static int
+lbo_tbl_lkup (int t1, int lbo)
+{
+    if ((lbo < CFG_LBO_LH0) || (lbo > CFG_LBO_E120))    /* error switches to
+                                                         * default */
+    {
+        if (t1)
+            lbo = CFG_LBO_LH0;  /* default T1 waveform table */
+        else
+            lbo = CFG_LBO_E120;     /* default E1 waveform table */
+    }
+    return (lbo - 1);               /* make index ZERO relative */
+}
+
+
+void
+init_comet (void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster,
+            u_int8_t moreParams)
+{
+    u_int8_t isT1mode;
+    u_int8_t    tix = CFG_LBO_LH0;      /* T1 default */
+
+    isT1mode = IS_FRAME_ANY_T1 (port_mode);
+    /* T1 or E1 */
+    if (isT1mode)
+    {
+        pci_write_32 ((u_int32_t *) &comet->gbl_cfg, 0xa0);     /* Select T1 Mode & PIO
+                                                                 * output enabled */
+        tix = lbo_tbl_lkup (isT1mode, CFG_LBO_LH0);     /* default T1 waveform
+                                                         * table */
+    } else
+    {
+        pci_write_32 ((u_int32_t *) &comet->gbl_cfg, 0x81);     /* Select E1 Mode & PIO
+                                                                 * output enabled */
+        tix = lbo_tbl_lkup (isT1mode, CFG_LBO_E120);    /* default E1 waveform
+                                                         * table */
+    }
+
+    if (moreParams & CFG_LBO_MASK)
+        tix = lbo_tbl_lkup (isT1mode, moreParams & CFG_LBO_MASK);       /* dial-in requested
+                                                                         * waveform table */
+
+    /* Tx line Intfc cfg     ** Set for analog & no special patterns */
+    pci_write_32 ((u_int32_t *) &comet->tx_line_cfg, 0x00);     /* Transmit Line
+                                                                 * Interface Config. */
+
+    /* master test    ** Ignore Test settings for now */
+    pci_write_32 ((u_int32_t *) &comet->mtest, 0x00);   /* making sure it's
+                                                         * Default value */
+
+    /* Turn on Center (CENT) and everything else off */
+    pci_write_32 ((u_int32_t *) &comet->rjat_cfg, 0x10);        /* RJAT cfg */
+    /* Set Jitter Attenuation to recommend T1 values */
+    if (isT1mode)
+    {
+        pci_write_32 ((u_int32_t *) &comet->rjat_n1clk, 0x2F);  /* RJAT Divider N1
+                                                                 * Control */
+        pci_write_32 ((u_int32_t *) &comet->rjat_n2clk, 0x2F);  /* RJAT Divider N2
+                                                                 * Control */
+    } else
+    {
+        pci_write_32 ((u_int32_t *) &comet->rjat_n1clk, 0xFF);  /* RJAT Divider N1
+                                                                 * Control */
+        pci_write_32 ((u_int32_t *) &comet->rjat_n2clk, 0xFF);  /* RJAT Divider N2
+                                                                 * Control */
+    }
+
+    /* Turn on Center (CENT) and everything else off */
+    pci_write_32 ((u_int32_t *) &comet->tjat_cfg, 0x10);        /* TJAT Config. */
+
+    /* Do not bypass jitter attenuation and bypass elastic store */
+    pci_write_32 ((u_int32_t *) &comet->rx_opt, 0x00);  /* rx opts */
+
+    /* TJAT ctrl & TJAT divider ctrl */
+    /* Set Jitter Attenuation to recommended T1 values */
+    if (isT1mode)
+    {
+        pci_write_32 ((u_int32_t *) &comet->tjat_n1clk, 0x2F);  /* TJAT Divider N1
+                                                                 * Control */
+        pci_write_32 ((u_int32_t *) &comet->tjat_n2clk, 0x2F);  /* TJAT Divider N2
+                                                                 * Control */
+    } else
+    {
+        pci_write_32 ((u_int32_t *) &comet->tjat_n1clk, 0xFF);  /* TJAT Divider N1
+                                                                 * Control */
+        pci_write_32 ((u_int32_t *) &comet->tjat_n2clk, 0xFF);  /* TJAT Divider N2
+                                                                 * Control */
+    }
+
+    /* 1c: rx ELST cfg   20: tx ELST cfg  28&38: rx&tx data link ctrl */
+    if (isT1mode)
+    {                               /* Select 193-bit frame format */
+        pci_write_32 ((u_int32_t *) &comet->rx_elst_cfg, 0x00);
+        pci_write_32 ((u_int32_t *) &comet->tx_elst_cfg, 0x00);
+    } else
+    {                               /* Select 256-bit frame format */
+        pci_write_32 ((u_int32_t *) &comet->rx_elst_cfg, 0x03);
+        pci_write_32 ((u_int32_t *) &comet->tx_elst_cfg, 0x03);
+        pci_write_32 ((u_int32_t *) &comet->rxce1_ctl, 0x00);   /* disable T1 data link
+                                                                 * receive */
+        pci_write_32 ((u_int32_t *) &comet->txci1_ctl, 0x00);   /* disable T1 data link
+                                                                 * transmit */
+    }
+
+    /* the following is a default value */
+    /* Enable 8 out of 10 validation */
+    pci_write_32 ((u_int32_t *) &comet->t1_rboc_ena, 0x00);     /* t1RBOC
+                                                                 * enable(BOC:BitOriented
+                                                                 * Code) */
+    if (isT1mode)
+    {
+
+        /* IBCD cfg: aka Inband Code Detection ** loopback code length set to */
+        pci_write_32 ((u_int32_t *) &comet->ibcd_cfg, 0x04);    /* 6 bit down, 5 bit up
+                                                                 * (assert)  */
+        pci_write_32 ((u_int32_t *) &comet->ibcd_act, 0x08);    /* line loopback
+                                                                 * activate pattern */
+        pci_write_32 ((u_int32_t *) &comet->ibcd_deact, 0x24);  /* deactivate code
+                                                                 * pattern (i.e.001) */
+    }
+    /* 10: CDRC cfg 28&38: rx&tx data link 1 ctrl 48: t1 frmr cfg  */
+    /* 50: SIGX cfg, COSS (change of signaling state) 54: XBAS cfg  */
+    /* 60: t1 ALMI cfg */
+    /* Configure Line Coding */
+
+    switch (port_mode)
+    {
+    case CFG_FRAME_SF:              /* 1 - T1 B8ZS */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->t1_frmr_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->t1_xbas_cfg, 0x20); /* 5:B8ZS */
+        pci_write_32 ((u_int32_t *) &comet->t1_almi_cfg, 0);
+        break;
+    case CFG_FRAME_ESF:     /* 2 - T1 B8ZS */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->rxce1_ctl, 0x20);   /* Bit 5: T1 DataLink
+                                                                 * Enable */
+        pci_write_32 ((u_int32_t *) &comet->txci1_ctl, 0x20);   /* 5: T1 DataLink Enable */
+        pci_write_32 ((u_int32_t *) &comet->t1_frmr_cfg, 0x30); /* 4:ESF  5:ESFFA */
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0x04);    /* 2:ESF */
+        pci_write_32 ((u_int32_t *) &comet->t1_xbas_cfg, 0x30); /* 4:ESF  5:B8ZS */
+        pci_write_32 ((u_int32_t *) &comet->t1_almi_cfg, 0x10); /* 4:ESF */
+        break;
+    case CFG_FRAME_E1PLAIN:         /* 3 - HDB3 */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_tran_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_frmr_aopts, 0x40);
+        break;
+    case CFG_FRAME_E1CAS:           /* 4 - HDB3 */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_tran_cfg, 0x60);
+        pci_write_32 ((u_int32_t *) &comet->e1_frmr_aopts, 0);
+        break;
+    case CFG_FRAME_E1CRC:           /* 5 - HDB3 */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_tran_cfg, 0x10);
+        pci_write_32 ((u_int32_t *) &comet->e1_frmr_aopts, 0xc2);
+        break;
+    case CFG_FRAME_E1CRC_CAS:       /* 6 - HDB3 */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_tran_cfg, 0x70);
+        pci_write_32 ((u_int32_t *) &comet->e1_frmr_aopts, 0x82);
+        break;
+    case CFG_FRAME_SF_AMI:          /* 7 - T1 AMI */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0x80);    /* Enable AMI Line
+                                                                 * Decoding */
+        pci_write_32 ((u_int32_t *) &comet->t1_frmr_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->t1_xbas_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->t1_almi_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        break;
+    case CFG_FRAME_ESF_AMI:         /* 8 - T1 AMI */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0x80);    /* Enable AMI Line
+                                                                 * Decoding */
+        pci_write_32 ((u_int32_t *) &comet->rxce1_ctl, 0x20);   /* 5: T1 DataLink Enable */
+        pci_write_32 ((u_int32_t *) &comet->txci1_ctl, 0x20);   /* 5: T1 DataLink Enable */
+        pci_write_32 ((u_int32_t *) &comet->t1_frmr_cfg, 0x30); /* Bit 4:ESF  5:ESFFA */
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0x04);    /* 2:ESF */
+        pci_write_32 ((u_int32_t *) &comet->t1_xbas_cfg, 0x10); /* 4:ESF */
+        pci_write_32 ((u_int32_t *) &comet->t1_almi_cfg, 0x10); /* 4:ESF */
+        break;
+    case CFG_FRAME_E1PLAIN_AMI:       /* 9 - AMI */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0x80);    /* Enable AMI Line
+                                                                 * Decoding */
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_tran_cfg, 0x80);
+        pci_write_32 ((u_int32_t *) &comet->e1_frmr_aopts, 0x40);
+        break;
+    case CFG_FRAME_E1CAS_AMI:       /* 10 - AMI */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0x80);    /* Enable AMI Line
+                                                                 * Decoding */
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_tran_cfg, 0xe0);
+        pci_write_32 ((u_int32_t *) &comet->e1_frmr_aopts, 0);
+        break;
+    case CFG_FRAME_E1CRC_AMI:       /* 11 - AMI */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0x80);    /* Enable AMI Line
+                                                                 * Decoding */
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_tran_cfg, 0x90);
+        pci_write_32 ((u_int32_t *) &comet->e1_frmr_aopts, 0xc2);
+        break;
+    case CFG_FRAME_E1CRC_CAS_AMI:   /* 12 - AMI */
+        pci_write_32 ((u_int32_t *) &comet->cdrc_cfg, 0x80);    /* Enable AMI Line
+                                                                 * Decoding */
+        pci_write_32 ((u_int32_t *) &comet->sigx_cfg, 0);
+        pci_write_32 ((u_int32_t *) &comet->e1_tran_cfg, 0xf0);
+        pci_write_32 ((u_int32_t *) &comet->e1_frmr_aopts, 0x82);
+        break;
+    }                               /* end switch */
+
+    /***
+     * Set Full Frame mode (NXDSO[1] = 0, NXDSO[0] = 0)
+     * CMODE=1: Clock slave mode with BRCLK as an input,
+     * DE=0: Use falling edge of BRCLK for data,
+     * FE=0: Use falling edge of BRCLK for frame,
+     * CMS=0: Use backplane freq,
+     * RATE[1:0]=0,0: T1
+     ***/
+
+
+    /* 0x30: "BRIF cfg"; 0x20 is 'CMODE', 0x03 is (bit) rate */
+    /* note "rate bits can only be set once after reset" */
+    if (clockmaster)
+    {                               /* CMODE == clockMode, 0=clock master (so
+                                     * all 3 others should be slave) */
+        if (isT1mode)               /* rate = 1.544 Mb/s */
+            pci_write_32 ((u_int32_t *) &comet->brif_cfg, 0x00);        /* Comet 0 Master
+                                                                         * Mode(CMODE=0) */
+        else                        /* rate = 2.048 Mb/s */
+            pci_write_32 ((u_int32_t *) &comet->brif_cfg, 0x01);        /* Comet 0 Master
+                                                                         * Mode(CMODE=0) */
+
+        /* 31: BRIF frame pulse cfg  06: tx timing options */
+        pci_write_32 ((u_int32_t *) &comet->brif_fpcfg, 0x00);  /* Master Mode
+                                                                 * i.e.FPMODE=0 (@0x20) */
+        if ((moreParams & CFG_CLK_PORT_MASK) == CFG_CLK_PORT_INTERNAL)
+        {
+            if (log_level >= LOG_SBEBUG12)
+                printk (">> init_comet: clockmaster internal clock\n");
+            pci_write_32 ((u_int32_t *) &comet->tx_time, 0x0d); /* internal oscillator */
+        } else                      /* external clock source */
+        {
+            if (log_level >= LOG_SBEBUG12)
+                printk (">> init_comet: clockmaster external clock\n");
+            pci_write_32 ((u_int32_t *) &comet->tx_time, 0x09); /* loop timing
+                                                                 * (external) */
+        }
+
+    } else                          /* slave */
+    {
+        if (isT1mode)
+            pci_write_32 ((u_int32_t *) &comet->brif_cfg, 0x20);        /* Slave Mode(CMODE=1,
+                                                                         * see above) */
+        else
+            pci_write_32 ((u_int32_t *) &comet->brif_cfg, 0x21);        /* Slave Mode (CMODE=1) */
+        pci_write_32 ((u_int32_t *) &comet->brif_fpcfg, 0x20);  /* Slave Mode i.e.
+                                                                 * FPMODE=1 (@0x20) */
+        if (log_level >= LOG_SBEBUG12)
+            printk (">> init_comet: clockslave internal clock\n");
+        pci_write_32 ((u_int32_t *) &comet->tx_time, 0x0d);     /* oscillator timing */
+    }
+
+    /* 32: BRIF parity F-bit cfg */
+    /* Totem-pole operation */
+    pci_write_32 ((u_int32_t *) &comet->brif_pfcfg, 0x01);      /* Receive Backplane
+                                                                 * Parity/F-bit */
+
+    /* dc: RLPS equalizer V ref */
+    /* Configuration */
+    if (isT1mode)
+        pci_write_32 ((u_int32_t *) &comet->rlps_eqvr, 0x2c);   /* RLPS Equalizer
+                                                                 * Voltage  */
+    else
+        pci_write_32 ((u_int32_t *) &comet->rlps_eqvr, 0x34);   /* RLPS Equalizer
+                                                                 * Voltage  */
+
+    /* Reserved bit set and SQUELCH enabled */
+    /* f8: RLPS cfg & status  f9: RLPS ALOS detect/clear threshold */
+    pci_write_32 ((u_int32_t *) &comet->rlps_cfgsts, 0x11);     /* RLPS Configuration
+                                                                 * Status */
+    if (isT1mode)
+        pci_write_32 ((u_int32_t *) &comet->rlps_alos_thresh, 0x55);    /* ? */
+    else
+        pci_write_32 ((u_int32_t *) &comet->rlps_alos_thresh, 0x22);    /* ? */
+
+
+    /* Set Full Frame mode (NXDSO[1] = 0, NXDSO[0] = 0) */
+    /* CMODE=0: Clock slave mode with BTCLK as an input, DE=1: Use rising */
+    /* edge of BTCLK for data, FE=1: Use rising edge of BTCLK for frame, */
+    /* CMS=0: Use backplane freq, RATE[1:0]=0,0: T1 */
+/***    Transmit side is always an Input, Slave Clock*/
+    /* 40: BTIF cfg  41: BTIF frame pulse cfg */
+    if (isT1mode)
+        pci_write_32 ((u_int32_t *) &comet->btif_cfg, 0x38);    /* BTIF Configuration
+                                                                 * Reg. */
+    else
+        pci_write_32 ((u_int32_t *) &comet->btif_cfg, 0x39);    /* BTIF Configuration
+                                                                 * Reg. */
+
+    pci_write_32 ((u_int32_t *) &comet->btif_fpcfg, 0x01);      /* BTIF Frame Pulse
+                                                                 * Config. */
+
+    /* 0a: master diag  06: tx timing options */
+    /* if set Comet to loop back */
+
+    /* Comets set to normal */
+    pci_write_32 ((u_int32_t *) &comet->mdiag, 0x00);
+
+    /* BTCLK driven by TCLKI internally (crystal driven) and Xmt Elasted  */
+    /* Store is enabled. */
+
+    WrtXmtWaveformTbl (ci, comet, TWV_table[tix]);
+    if (isT1mode)
+        WrtRcvEqualizerTbl ((ci_t *) ci, comet, &T1_Equalizer[0]);
+    else
+        WrtRcvEqualizerTbl ((ci_t *) ci, comet, &E1_Equalizer[0]);
+    SetPwrLevel (comet);
+}
+
+/*
+** Name:        WrtXmtWaveform
+** Description: Formulate the Data for the Pulse Waveform Storage
+**                Write register, (F2), from the sample and unit inputs.
+**                Write the data to the Pulse Waveform Storage Data register.
+** Returns:     Nothing
+*/
+STATIC void
+WrtXmtWaveform (ci_t * ci, comet_t * comet, u_int32_t sample, u_int32_t unit, u_int8_t data)
+{
+    u_int8_t    WaveformAddr;
+
+    WaveformAddr = (sample << 3) + (unit & 7);
+    pci_write_32 ((u_int32_t *) &comet->xlpg_pwave_addr, WaveformAddr);
+    pci_flush_write (ci);           /* for write order preservation when
+                                     * Optimizing driver */
+    pci_write_32 ((u_int32_t *) &comet->xlpg_pwave_data, 0x7F & data);
+}
+
+/*
+** Name:        WrtXmtWaveformTbl
+** Description: Fill in the Transmit Waveform Values
+**                for driving the transmitter DAC.
+** Returns:     Nothing
+*/
+STATIC void
+WrtXmtWaveformTbl (ci_t * ci, comet_t * comet,
+                   u_int8_t table[COMET_NUM_SAMPLES][COMET_NUM_UNITS])
+{
+    u_int32_t sample, unit;
+
+    for (sample = 0; sample < COMET_NUM_SAMPLES; sample++)
+    {
+        for (unit = 0; unit < COMET_NUM_UNITS; unit++)
+            WrtXmtWaveform (ci, comet, sample, unit, table[sample][unit]);
+    }
+
+    /* Enable transmitter and set output amplitude */
+    pci_write_32 ((u_int32_t *) &comet->xlpg_cfg, table[COMET_NUM_SAMPLES][0]);
+}
+
+
+/*
+** Name:        WrtXmtWaveform
+** Description: Fill in the Receive Equalizer RAM from the desired
+**                table.
+** Returns:     Nothing
+**
+** Remarks:  Per PM4351 Device Errata, Receive Equalizer RAM Initialization
+**           is coded with early setup of indirect address.
+*/
+
+STATIC void
+WrtRcvEqualizerTbl (ci_t * ci, comet_t * comet, u_int32_t *table)
+{
+    u_int32_t   ramaddr;
+    volatile u_int32_t value;
+
+    for (ramaddr = 0; ramaddr < 256; ramaddr++)
+    {
+        /*** the following lines are per Errata 7, 2.5 ***/
+        {
+            pci_write_32 ((u_int32_t *) &comet->rlps_eq_rwsel, 0x80);   /* Set up for a read
+                                                                         * operation */
+            pci_flush_write (ci);   /* for write order preservation when
+                                     * Optimizing driver */
+            pci_write_32 ((u_int32_t *) &comet->rlps_eq_iaddr, (u_int8_t) ramaddr); /* write the addr,
+                                                                                  * initiate a read */
+            pci_flush_write (ci);   /* for write order preservation when
+                                     * Optimizing driver */
+            /*
+             * wait 3 line rate clock cycles to ensure address bits are
+             * captured by T1/E1 clock
+             */
+            OS_uwait (4, "wret");   /* 683ns * 3 = 1366 ns, approx 2us (but
+                                     * use 4us) */
+        }
+
+        value = *table++;
+        pci_write_32 ((u_int32_t *) &comet->rlps_idata3, (u_int8_t) (value >> 24));
+        pci_write_32 ((u_int32_t *) &comet->rlps_idata2, (u_int8_t) (value >> 16));
+        pci_write_32 ((u_int32_t *) &comet->rlps_idata1, (u_int8_t) (value >> 8));
+        pci_write_32 ((u_int32_t *) &comet->rlps_idata0, (u_int8_t) value);
+        pci_flush_write (ci);       /* for write order preservation when
+                                     * Optimizing driver */
+
+        /* Storing RAM address, causes RAM to be updated */
+
+        pci_write_32 ((u_int32_t *) &comet->rlps_eq_rwsel, 0);  /* Set up for a write
+                                                                 * operation */
+        pci_flush_write (ci);       /* for write order preservation when
+                                     * Optimizing driver */
+        pci_write_32 ((u_int32_t *) &comet->rlps_eq_iaddr, (u_int8_t) ramaddr); /* write the addr,
+                                                                                 * initiate a read */
+        pci_flush_write (ci);       /* for write order preservation when
+                                     * Optimizing driver */
+        /*
+         * wait 3 line rate clock cycles to ensure address bits are captured
+         * by T1/E1 clock
+         */
+        OS_uwait (4, "wret");       /* 683ns * 3 = 1366 ns, approx 2us (but
+                                     * use 4us) */
+    }
+
+    pci_write_32 ((u_int32_t *) &comet->rlps_eq_cfg, 0xCB);     /* Enable Equalizer &
+                                                                 * set it to use 256
+                                                                 * periods */
+}
+
+
+/*
+** Name:        SetPwrLevel
+** Description: Implement power level setting algorithm described below
+** Returns:     Nothing
+*/
+
+STATIC void
+SetPwrLevel (comet_t * comet)
+{
+    volatile u_int32_t temp;
+
+/*
+**    Algorithm to Balance the Power Distribution of Ttip Tring
+**
+**    Zero register F6
+**    Write 0x01 to register F4
+**    Write another 0x01 to register F4
+**    Read register F4
+**    Remove the 0x01 bit by Anding register F4 with 0xFE
+**    Write the resultant value to register F4
+**    Repeat these steps for register F5
+**    Write 0x01 to register F6
+*/
+    pci_write_32 ((u_int32_t *) &comet->xlpg_fdata_sel, 0x00);  /* XLPG Fuse Data Select */
+
+    pci_write_32 ((u_int32_t *) &comet->xlpg_atest_pctl, 0x01); /* XLPG Analog Test
+                                                                 * Positive control */
+    pci_write_32 ((u_int32_t *) &comet->xlpg_atest_pctl, 0x01);
+
+    temp = pci_read_32 ((u_int32_t *) &comet->xlpg_atest_pctl) & 0xfe;
+    pci_write_32 ((u_int32_t *) &comet->xlpg_atest_pctl, temp);
+
+    pci_write_32 ((u_int32_t *) &comet->xlpg_atest_nctl, 0x01); /* XLPG Analog Test
+                                                                 * Negative control */
+    pci_write_32 ((u_int32_t *) &comet->xlpg_atest_nctl, 0x01);
+
+    temp = pci_read_32 ((u_int32_t *) &comet->xlpg_atest_nctl) & 0xfe;
+    pci_write_32 ((u_int32_t *) &comet->xlpg_atest_nctl, temp);
+    pci_write_32 ((u_int32_t *) &comet->xlpg_fdata_sel, 0x01);  /* XLPG */
+}
+
+
+/*
+** Name:        SetCometOps
+** Description: Set up the selected Comet's clock edge drive for both
+**                the transmit out the analog side and receive to the
+**                backplane side.
+** Returns:     Nothing
+*/
+#if 0
+STATIC void
+SetCometOps (comet_t * comet)
+{
+    volatile u_int8_t rd_value;
+
+    if (comet == mConfig.C4Func1Base + (COMET0_OFFSET >> 2))
+    {
+        rd_value = (u_int8_t) pci_read_32 ((u_int32_t *) &comet->brif_cfg);     /* read the BRIF
+                                                                                 * Configuration */
+        rd_value &= ~0x20;
+        pci_write_32 ((u_int32_t *) &comet->brif_cfg, (u_int32_t) rd_value);
+
+        rd_value = (u_int8_t) pci_read_32 ((u_int32_t *) &comet->brif_fpcfg);   /* read the BRIF Frame
+                                                                                 * Pulse Configuration */
+        rd_value &= ~0x20;
+        pci_write_32 ((u_int32_t *) &comet->brif_fpcfg, (u_int8_t) rd_value);
+    } else
+    {
+        rd_value = (u_int8_t) pci_read_32 ((u_int32_t *) &comet->brif_cfg);     /* read the BRIF
+                                                                                 * Configuration */
+        rd_value |= 0x20;
+        pci_write_32 ((u_int32_t *) &comet->brif_cfg, (u_int32_t) rd_value);
+
+        rd_value = (u_int8_t) pci_read_32 ((u_int32_t *) &comet->brif_fpcfg);   /* read the BRIF Frame
+                                                                                 * Pulse Configuration */
+        rd_value |= 0x20;
+        pci_write_32 ((u_int32_t *) &comet->brif_fpcfg, (u_int8_t) rd_value);
+    }
+}
+#endif
+
+/***  End-of-File  ***/
diff --git a/drivers/staging/cxt1e1/comet.h b/drivers/staging/cxt1e1/comet.h
new file mode 100644
index 00000000000..5cb3afda011
--- /dev/null
+++ b/drivers/staging/cxt1e1/comet.h
@@ -0,0 +1,366 @@
+/*
+ * $Id: comet.h,v 1.3 2005/09/28 00:10:07 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_COMET_H_
+#define _INC_COMET_H_
+
+/*-----------------------------------------------------------------------------
+ * comet.h -
+ *
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.3 $
+ * Last changed on $Date: 2005/09/28 00:10:07 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: comet.h,v $
+ * Revision 1.3  2005/09/28 00:10:07  rickd
+ * Add RCS header. Switch to structure usage.
+ *
+ * Revision 1.2  2005/04/28 23:43:03  rickd
+ * Add RCS tracking heading.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+#if defined(__FreeBSD__) || defined (__NetBSD__)
+#include <sys/types.h>
+#else
+#include <linux/types.h>
+#endif
+
+
+#define VINT32  volatile u_int32_t
+
+struct s_comet_reg
+{
+    VINT32 gbl_cfg;      /* 00  Global Cfg */
+    VINT32 clkmon;       /* 01  Clk Monitor */
+    VINT32 rx_opt;       /* 02  RX Options */
+    VINT32 rx_line_cfg;  /* 03  RX Line Interface Cfg */
+    VINT32 tx_line_cfg;  /* 04  TX Line Interface Cfg */
+    VINT32 tx_frpass;    /* 05  TX Framing & Bypass Options */
+    VINT32 tx_time;      /* 06  TX Timing Options */
+    VINT32 intr_1;       /* 07  Intr Source #1 */
+    VINT32 intr_2;       /* 08  Intr Source #2 */
+    VINT32 intr_3;       /* 09  Intr Source #3 */
+    VINT32 mdiag;        /* 0A  Master Diagnostics */
+    VINT32 mtest;        /* 0B  Master Test */
+    VINT32 adiag;        /* 0C  Analog Diagnostics */
+    VINT32 rev_id;       /* 0D  Rev/Chip Id/Global PMON Update */
+#define pmon  rev_id
+    VINT32 reset;        /* 0E  Reset */
+    VINT32 prgd_phctl;   /* 0F  PRGD Positioning/Ctl & HDLC Ctl */
+    VINT32 cdrc_cfg;     /* 10  CDRC Cfg */
+    VINT32 cdrc_ien;     /* 11  CDRC Intr Enable */
+    VINT32 cdrc_ists;    /* 12  CDRC Intr Sts */
+    VINT32 cdrc_alos;    /* 13  CDRC Alternate Loss of Signal */
+
+    VINT32 rjat_ists;    /* 14  RJAT Intr Sts */
+    VINT32 rjat_n1clk;   /* 15  RJAT Reference Clk Divisor (N1) Ctl */
+    VINT32 rjat_n2clk;   /* 16  RJAT Output Clk Divisor (N2) Ctl */
+    VINT32 rjat_cfg;     /* 17  RJAT Cfg */
+
+    VINT32 tjat_ists;    /* 18  TJAT Intr Sts */
+    VINT32 tjat_n1clk;   /* 19  TJAT Reference Clk Divisor (N1) Ctl */
+    VINT32 tjat_n2clk;   /* 1A  TJAT Output Clk Divisor (N2) Ctl */
+    VINT32 tjat_cfg;     /* 1B  TJAT Cfg */
+
+    VINT32 rx_elst_cfg;      /* 1C  RX-ELST Cfg */
+    VINT32 rx_elst_ists;     /* 1D  RX-ELST Intr Sts */
+    VINT32 rx_elst_idle;     /* 1E  RX-ELST Idle Code */
+    VINT32 _rx_elst_res1f;   /* 1F     RX-ELST Reserved */
+
+    VINT32 tx_elst_cfg;      /* 20  TX-ELST Cfg */
+    VINT32 tx_elst_ists;     /* 21  TX-ELST Intr Sts */
+    VINT32 _tx_elst_res22;   /* 22     TX-ELST Reserved */
+    VINT32 _tx_elst_res23;   /* 23     TX-ELST Reserved */
+    VINT32 __res24;          /* 24     Reserved */
+    VINT32 __res25;          /* 25     Reserved */
+    VINT32 __res26;          /* 26     Reserved */
+    VINT32 __res27;          /* 27     Reserved */
+
+    VINT32 rxce1_ctl;        /* 28  RXCE RX Data Link 1 Ctl */
+    VINT32 rxce1_bits;       /* 29  RXCE RX Data Link 1 Bit Select */
+    VINT32 rxce2_ctl;        /* 2A  RXCE RX Data Link 2 Ctl */
+    VINT32 rxce2_bits;       /* 2B  RXCE RX Data Link 2 Bit Select */
+    VINT32 rxce3_ctl;        /* 2C  RXCE RX Data Link 3 Ctl */
+    VINT32 rxce3_bits;       /* 2D  RXCE RX Data Link 3 Bit Select */
+    VINT32 _rxce_res2E;      /* 2E     RXCE Reserved */
+    VINT32 _rxce_res2F;      /* 2F     RXCE Reserved */
+
+    VINT32 brif_cfg;         /* 30  BRIF RX Backplane Cfg */
+    VINT32 brif_fpcfg;       /* 31  BRIF RX Backplane Frame Pulse Cfg */
+    VINT32 brif_pfcfg;       /* 32  BRIF RX Backplane Parity/F-Bit Cfg */
+    VINT32 brif_tsoff;       /* 33  BRIF RX Backplane Time Slot Offset */
+    VINT32 brif_boff;        /* 34  BRIF RX Backplane Bit Offset */
+    VINT32 _brif_res35;      /* 35     BRIF RX Backplane Reserved */
+    VINT32 _brif_res36;      /* 36     BRIF RX Backplane Reserved */
+    VINT32 _brif_res37;      /* 37     BRIF RX Backplane Reserved */
+
+    VINT32 txci1_ctl;        /* 38  TXCI TX Data Link 1 Ctl */
+    VINT32 txci1_bits;       /* 39  TXCI TX Data Link 2 Bit Select */
+    VINT32 txci2_ctl;        /* 3A  TXCI TX Data Link 1 Ctl */
+    VINT32 txci2_bits;       /* 3B  TXCI TX Data Link 2 Bit Select */
+    VINT32 txci3_ctl;        /* 3C  TXCI TX Data Link 1 Ctl */
+    VINT32 txci3_bits;       /* 3D  TXCI TX Data Link 2 Bit Select */
+    VINT32 _txci_res3E;      /* 3E     TXCI Reserved */
+    VINT32 _txci_res3F;      /* 3F     TXCI Reserved */
+
+    VINT32 btif_cfg;         /* 40  BTIF TX Backplane Cfg */
+    VINT32 btif_fpcfg;       /* 41  BTIF TX Backplane Frame Pulse Cfg */
+    VINT32 btif_pcfgsts;     /* 42  BTIF TX Backplane Parity Cfg & Sts */
+    VINT32 btif_tsoff;       /* 43  BTIF TX Backplane Time Slot Offset */
+    VINT32 btif_boff;        /* 44  BTIF TX Backplane Bit Offset */
+    VINT32 _btif_res45;      /* 45     BTIF TX Backplane Reserved */
+    VINT32 _btif_res46;      /* 46     BTIF TX Backplane Reserved */
+    VINT32 _btif_res47;      /* 47     BTIF TX Backplane Reserved */
+    VINT32 t1_frmr_cfg;      /* 48  T1 FRMR Cfg */
+    VINT32 t1_frmr_ien;      /* 49  T1 FRMR Intr Enable */
+    VINT32 t1_frmr_ists;     /* 4A  T1 FRMR Intr Sts */
+    VINT32 __res_4B;         /* 4B     Reserved */
+    VINT32 ibcd_cfg;         /* 4C  IBCD Cfg */
+    VINT32 ibcd_ies;         /* 4D  IBCD Intr Enable/Sts */
+    VINT32 ibcd_act;         /* 4E  IBCD Activate Code */
+    VINT32 ibcd_deact;       /* 4F  IBCD Deactivate Code */
+
+    VINT32 sigx_cfg;         /* 50  SIGX Cfg/Change of Signaling State */
+    VINT32 sigx_acc_cos;     /* 51  SIGX uP Access Sts/Change of Signaling State */
+    VINT32 sigx_iac_cos;     /* 52  SIGX Channel Indirect
+                              * Addr/Ctl/Change of Signaling State */
+    VINT32 sigx_idb_cos;     /* 53  SIGX Channel Indirect Data
+                              * Buffer/Change of Signaling State */
+
+    VINT32 t1_xbas_cfg;      /* 54  T1 XBAS Cfg */
+    VINT32 t1_xbas_altx;     /* 55  T1 XBAS Alarm TX */
+    VINT32 t1_xibc_ctl;      /* 56  T1 XIBC Ctl */
+    VINT32 t1_xibc_lbcode;   /* 57  T1 XIBC Loopback Code */
+
+    VINT32 pmon_ies;         /* 58  PMON Intr Enable/Sts */
+    VINT32 pmon_fberr;       /* 59  PMON Framing Bit Err Cnt */
+    VINT32 pmon_feb_lsb;     /* 5A  PMON OFF/COFA/Far End Block Err Cnt (LSB) */
+    VINT32 pmon_feb_msb;     /* 5B  PMON OFF/COFA/Far End Block Err Cnt (MSB) */
+    VINT32 pmon_bed_lsb;     /* 5C  PMON Bit/Err/CRCE Cnt (LSB) */
+    VINT32 pmon_bed_msb;     /* 5D  PMON Bit/Err/CRCE Cnt (MSB) */
+    VINT32 pmon_lvc_lsb;     /* 5E  PMON LVC Cnt (LSB) */
+    VINT32 pmon_lvc_msb;     /* 5F  PMON LVC Cnt (MSB) */
+
+    VINT32 t1_almi_cfg;      /* 60  T1 ALMI Cfg */
+    VINT32 t1_almi_ien;      /* 61  T1 ALMI Intr Enable */
+    VINT32 t1_almi_ists;     /* 62  T1 ALMI Intr Sts */
+    VINT32 t1_almi_detsts;   /* 63  T1 ALMI Alarm Detection Sts */
+
+    VINT32 _t1_pdvd_res64;   /* 64     T1 PDVD Reserved */
+    VINT32 t1_pdvd_ies;      /* 65  T1 PDVD Intr Enable/Sts */
+    VINT32 _t1_xboc_res66;   /* 66     T1 XBOC Reserved */
+    VINT32 t1_xboc_code;     /* 67  T1 XBOC Code */
+    VINT32 _t1_xpde_res68;   /* 68     T1 XPDE Reserved */
+    VINT32 t1_xpde_ies;      /* 69  T1 XPDE Intr Enable/Sts */
+
+    VINT32 t1_rboc_ena;      /* 6A  T1 RBOC Enable */
+    VINT32 t1_rboc_sts;      /* 6B  T1 RBOC Code Sts */
+
+    VINT32 t1_tpsc_cfg;      /* 6C  TPSC Cfg */
+    VINT32 t1_tpsc_sts;      /* 6D  TPSC uP Access Sts */
+    VINT32 t1_tpsc_ciaddr;   /* 6E  TPSC Channel Indirect
+                                          * Addr/Ctl */
+    VINT32 t1_tpsc_cidata;   /* 6F  TPSC Channel Indirect Data
+                                          * Buffer */
+    VINT32 t1_rpsc_cfg;      /* 70  RPSC Cfg */
+    VINT32 t1_rpsc_sts;      /* 71  RPSC uP Access Sts */
+    VINT32 t1_rpsc_ciaddr;   /* 72  RPSC Channel Indirect
+                                          * Addr/Ctl */
+    VINT32 t1_rpsc_cidata;   /* 73  RPSC Channel Indirect Data
+                                          * Buffer */
+    VINT32 __res74;          /* 74     Reserved */
+    VINT32 __res75;          /* 75     Reserved */
+    VINT32 __res76;          /* 76     Reserved */
+    VINT32 __res77;          /* 77     Reserved */
+
+    VINT32 t1_aprm_cfg;      /* 78  T1 APRM Cfg/Ctl */
+    VINT32 t1_aprm_load;     /* 79  T1 APRM Manual Load */
+    VINT32 t1_aprm_ists;     /* 7A  T1 APRM Intr Sts */
+    VINT32 t1_aprm_1sec_2;   /* 7B  T1 APRM One Second Content Octet 2 */
+    VINT32 t1_aprm_1sec_3;   /* 7C  T1 APRM One Second Content Octet 3 */
+    VINT32 t1_aprm_1sec_4;   /* 7D  T1 APRM One Second Content Octet 4 */
+    VINT32 t1_aprm_1sec_5;   /* 7E  T1 APRM One Second Content MSB (Octect 5) */
+    VINT32 t1_aprm_1sec_6;   /* 7F  T1 APRM One Second Content MSB (Octect 6) */
+
+    VINT32 e1_tran_cfg;      /* 80  E1 TRAN Cfg */
+    VINT32 e1_tran_txalarm;  /* 81  E1 TRAN TX Alarm/Diagnostic Ctl */
+    VINT32 e1_tran_intctl;   /* 82  E1 TRAN International Ctl */
+    VINT32 e1_tran_extrab;   /* 83  E1 TRAN Extra Bits Ctl */
+    VINT32 e1_tran_ien;      /* 84  E1 TRAN Intr Enable */
+    VINT32 e1_tran_ists;     /* 85  E1 TRAN Intr Sts */
+    VINT32 e1_tran_nats;     /* 86  E1 TRAN National Bit Codeword
+                                          * Select */
+    VINT32 e1_tran_nat;      /* 87  E1 TRAN National Bit Codeword */
+    VINT32 __res88;          /* 88     Reserved */
+    VINT32 __res89;          /* 89     Reserved */
+    VINT32 __res8A;          /* 8A     Reserved */
+    VINT32 __res8B;          /* 8B     Reserved */
+
+    VINT32 _t1_frmr_res8C;   /* 8C     T1 FRMR Reserved */
+    VINT32 _t1_frmr_res8D;   /* 8D     T1 FRMR Reserved */
+    VINT32 __res8E;          /* 8E     Reserved */
+    VINT32 __res8F;          /* 8F     Reserved */
+
+    VINT32 e1_frmr_aopts;    /* 90  E1 FRMR Frame Alignment Options */
+    VINT32 e1_frmr_mopts;    /* 91  E1 FRMR Maintenance Mode Options */
+    VINT32 e1_frmr_ien;      /* 92  E1 FRMR Framing Sts Intr Enable */
+    VINT32 e1_frmr_mien;     /* 93  E1 FRMR Maintenance/Alarm Sts Intr Enable */
+    VINT32 e1_frmr_ists;     /* 94  E1 FRMR Framing Sts Intr Indication */
+    VINT32 e1_frmr_mists;    /* 95  E1 FRMR Maintenance/Alarm Sts Indication Enable */
+    VINT32 e1_frmr_sts;      /* 96  E1 FRMR Framing Sts */
+    VINT32 e1_frmr_masts;    /* 97  E1 FRMR Maintenance/Alarm Sts */
+    VINT32 e1_frmr_nat_bits; /* 98  E1 FRMR International/National Bits */
+    VINT32 e1_frmr_crc_lsb;  /* 99  E1 FRMR CRC Err Cnt - LSB */
+    VINT32 e1_frmr_crc_msb;  /* 9A  E1 FRMR CRC Err Cnt - MSB */
+    VINT32 e1_frmr_nat_ien;  /* 9B  E1 FRMR National Bit Codeword Intr Enables */
+    VINT32 e1_frmr_nat_ists; /* 9C  E1 FRMR National Bit Codeword Intr/Sts */
+    VINT32 e1_frmr_nat;      /* 9D  E1 FRMR National Bit Codewords */
+    VINT32 e1_frmr_fp_ien;   /* 9E  E1 FRMR Frame Pulse/Alarm Intr Enables */
+    VINT32 e1_frmr_fp_ists;  /* 9F  E1 FRMR Frame Pulse/Alarm Intr/Sts */
+
+    VINT32 __resA0;          /* A0     Reserved */
+    VINT32 __resA1;          /* A1     Reserved */
+    VINT32 __resA2;          /* A2     Reserved */
+    VINT32 __resA3;          /* A3     Reserved */
+    VINT32 __resA4;          /* A4     Reserved */
+    VINT32 __resA5;          /* A5     Reserved */
+    VINT32 __resA6;          /* A6     Reserved */
+    VINT32 __resA7;          /* A7     Reserved */
+
+    VINT32 tdpr1_cfg;        /* A8  TDPR #1 Cfg */
+    VINT32 tdpr1_utl;        /* A9  TDPR #1 Upper TX Threshold */
+    VINT32 tdpr1_ltl;        /* AA  TDPR #1 Lower TX Threshold */
+    VINT32 tdpr1_ien;        /* AB  TDPR #1 Intr Enable */
+    VINT32 tdpr1_ists;       /* AC  TDPR #1 Intr Sts/UDR Clear */
+    VINT32 tdpr1_data;       /* AD  TDPR #1 TX Data */
+    VINT32 __resAE;          /* AE     Reserved */
+    VINT32 __resAF;          /* AF     Reserved */
+    VINT32 tdpr2_cfg;        /* B0  TDPR #2 Cfg */
+    VINT32 tdpr2_utl;        /* B1  TDPR #2 Upper TX Threshold */
+    VINT32 tdpr2_ltl;        /* B2  TDPR #2 Lower TX Threshold */
+    VINT32 tdpr2_ien;        /* B3  TDPR #2 Intr Enable */
+    VINT32 tdpr2_ists;       /* B4  TDPR #2 Intr Sts/UDR Clear */
+    VINT32 tdpr2_data;       /* B5  TDPR #2 TX Data */
+    VINT32 __resB6;          /* B6     Reserved */
+    VINT32 __resB7;          /* B7     Reserved1 */
+    VINT32 tdpr3_cfg;        /* B8  TDPR #3 Cfg */
+    VINT32 tdpr3_utl;        /* B9  TDPR #3 Upper TX Threshold */
+    VINT32 tdpr3_ltl;        /* BA  TDPR #3 Lower TX Threshold */
+    VINT32 tdpr3_ien;        /* BB  TDPR #3 Intr Enable */
+    VINT32 tdpr3_ists;       /* BC  TDPR #3 Intr Sts/UDR Clear */
+    VINT32 tdpr3_data;       /* BD  TDPR #3 TX Data */
+    VINT32 __resBE;          /* BE     Reserved */
+    VINT32 __resBF;          /* BF     Reserved */
+
+    VINT32 rdlc1_cfg;        /* C0  RDLC #1 Cfg */
+    VINT32 rdlc1_intctl;     /* C1  RDLC #1 Intr Ctl */
+    VINT32 rdlc1_sts;        /* C2  RDLC #1 Sts */
+    VINT32 rdlc1_data;       /* C3  RDLC #1 Data */
+    VINT32 rdlc1_paddr;      /* C4  RDLC #1 Primary Addr Match */
+    VINT32 rdlc1_saddr;      /* C5  RDLC #1 Secondary Addr Match */
+    VINT32 __resC6;          /* C6     Reserved */
+    VINT32 __resC7;          /* C7     Reserved */
+    VINT32 rdlc2_cfg;        /* C8  RDLC #2 Cfg */
+    VINT32 rdlc2_intctl;     /* C9  RDLC #2 Intr Ctl */
+    VINT32 rdlc2_sts;        /* CA  RDLC #2 Sts */
+    VINT32 rdlc2_data;       /* CB  RDLC #2 Data */
+    VINT32 rdlc2_paddr;      /* CC  RDLC #2 Primary Addr Match */
+    VINT32 rdlc2_saddr;      /* CD  RDLC #2 Secondary Addr Match */
+    VINT32 __resCE;          /* CE     Reserved */
+    VINT32 __resCF;          /* CF     Reserved */
+    VINT32 rdlc3_cfg;        /* D0  RDLC #3 Cfg */
+    VINT32 rdlc3_intctl;     /* D1  RDLC #3 Intr Ctl */
+    VINT32 rdlc3_sts;        /* D2  RDLC #3 Sts */
+    VINT32 rdlc3_data;       /* D3  RDLC #3 Data */
+    VINT32 rdlc3_paddr;      /* D4  RDLC #3 Primary Addr Match */
+    VINT32 rdlc3_saddr;      /* D5  RDLC #3 Secondary Addr Match */
+
+    VINT32 csu_cfg;          /* D6  CSU Cfg */
+    VINT32 _csu_resD7;       /* D7     CSU Reserved */
+
+    VINT32 rlps_idata3;      /* D8  RLPS Indirect Data, 24-31 */
+    VINT32 rlps_idata2;      /* D9  RLPS Indirect Data, 16-23 */
+    VINT32 rlps_idata1;      /* DA  RLPS Indirect Data, 8-15 */
+    VINT32 rlps_idata0;      /* DB  RLPS Indirect Data, 0-7 */
+    VINT32 rlps_eqvr;        /* DC  RLPS Equalizer Voltage Reference
+                              *    (E1 missing) */
+    VINT32 _rlps_resDD;      /* DD     RLPS Reserved */
+    VINT32 _rlps_resDE;      /* DE     RLPS Reserved */
+    VINT32 _rlps_resDF;      /* DF     RLPS Reserved */
+
+    VINT32 prgd_ctl;         /* E0  PRGD Ctl */
+    VINT32 prgd_ies;         /* E1  PRGD Intr Enable/Sts */
+    VINT32 prgd_shift_len;   /* E2  PRGD Shift Length */
+    VINT32 prgd_tap;         /* E3  PRGD Tap */
+    VINT32 prgd_errin;       /* E4  PRGD Err Insertion */
+    VINT32 _prgd_resE5;      /* E5     PRGD Reserved */
+    VINT32 _prgd_resE6;      /* E6     PRGD Reserved */
+    VINT32 _prgd_resE7;      /* E7     PRGD Reserved */
+    VINT32 prgd_patin1;      /* E8  PRGD Pattern Insertion #1 */
+    VINT32 prgd_patin2;      /* E9  PRGD Pattern Insertion #2 */
+    VINT32 prgd_patin3;      /* EA  PRGD Pattern Insertion #3 */
+    VINT32 prgd_patin4;      /* EB  PRGD Pattern Insertion #4 */
+    VINT32 prgd_patdet1;     /* EC  PRGD Pattern Detector #1 */
+    VINT32 prgd_patdet2;     /* ED  PRGD Pattern Detector #2 */
+    VINT32 prgd_patdet3;     /* EE  PRGD Pattern Detector #3 */
+    VINT32 prgd_patdet4;     /* EF  PRGD Pattern Detector #4 */
+
+    VINT32 xlpg_cfg;         /* F0  XLPG Line Driver Cfg */
+    VINT32 xlpg_ctlsts;      /* F1  XLPG Ctl/Sts */
+    VINT32 xlpg_pwave_addr;  /* F2  XLPG Pulse Waveform Storage Write Addr */
+    VINT32 xlpg_pwave_data;  /* F3  XLPG Pulse Waveform Storage Data */
+    VINT32 xlpg_atest_pctl;  /* F4  XLPG Analog Test Positive Ctl */
+    VINT32 xlpg_atest_nctl;  /* F5  XLPG Analog Test Negative Ctl */
+    VINT32 xlpg_fdata_sel;   /* F6  XLPG Fuse Data Select */
+    VINT32 _xlpg_resF7;      /* F7     XLPG Reserved */
+
+    VINT32 rlps_cfgsts;      /* F8  RLPS Cfg & Sts */
+    VINT32 rlps_alos_thresh; /* F9  RLPS ALOS Detection/Clearance Threshold */
+    VINT32 rlps_alos_dper;   /* FA  RLPS ALOS Detection Period */
+    VINT32 rlps_alos_cper;   /* FB  RLPS ALOS Clearance Period */
+    VINT32 rlps_eq_iaddr;    /* FC  RLPS Equalization Indirect Addr */
+    VINT32 rlps_eq_rwsel;    /* FD  RLPS Equalization Read/WriteB Select */
+    VINT32 rlps_eq_ctlsts;   /* FE  RLPS Equalizer Loop Sts & Ctl */
+    VINT32 rlps_eq_cfg;      /* FF  RLPS Equalizer Cfg */
+};
+
+typedef struct s_comet_reg comet_t;
+
+/* 00AH: MDIAG Register bit definitions */
+#define COMET_MDIAG_ID5        0x40
+#define COMET_MDIAG_LBMASK     0x3F
+#define COMET_MDIAG_PAYLB      0x20
+#define COMET_MDIAG_LINELB     0x10
+#define COMET_MDIAG_RAIS       0x08
+#define COMET_MDIAG_DDLB       0x04
+#define COMET_MDIAG_TXMFP      0x02
+#define COMET_MDIAG_TXLOS      0x01
+#define COMET_MDIAG_LBOFF      0x00
+
+#undef VINT32
+
+#ifdef __KERNEL__
+extern void
+init_comet (void *, comet_t *, u_int32_t, int, u_int8_t);
+#endif
+
+#endif                          /* _INC_COMET_H_ */
diff --git a/drivers/staging/cxt1e1/comet_tables.c b/drivers/staging/cxt1e1/comet_tables.c
new file mode 100644
index 00000000000..db1293c71a6
--- /dev/null
+++ b/drivers/staging/cxt1e1/comet_tables.c
@@ -0,0 +1,561 @@
+/*
+ * $Id: comet_tables.c,v 1.2 2005/10/17 23:55:27 rickd PMCC4_3_1B $
+ */
+
+/*-----------------------------------------------------------------------------
+ * comet_tables.c - waveform tables for the PM4351 'COMET'
+ *
+ * Copyright (C) 2003-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.2 $
+ * Last changed on $Date: 2005/10/17 23:55:27 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: comet_tables.c,v $
+ * Revision 1.2  2005/10/17 23:55:27  rickd
+ * Note that 75 Ohm transmit waveform is not supported on PMCC4.
+ *
+ * Revision 1.1  2005/09/28 00:10:05  rickd
+ * Cosmetic alignment of tables for readability.
+ *
+ * Revision 1.0  2005/05/10 22:47:53  rickd
+ * Initial revision
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+char SBEid_pmcc4_comet_tblc[] =
+  "@(#)comet_tables.c - $Revision: 1.2 $      (c) Copyright 2004-2005 SBE, Inc.";
+
+
+#include <linux/types.h>
+
+/*****************************************************************************
+*
+*  Array names:
+*
+*       TWVLongHaul0DB
+*       TWVLongHaul7_5DB
+*       TWVLongHaul15DB
+*       TWVLongHaul22_5DB
+*       TWVShortHaul0
+*       TWVShortHaul1
+*       TWVShortHaul2
+*       TWVShortHaul3
+*       TWVShortHaul4
+*       TWVShortHaul5
+*       TWV_E1_120Ohm
+*       TWV_E1_75Ohm   <not supported>
+*       T1_Equalizer
+*       E1_Equalizer
+*
+*****************************************************************************/
+
+u_int8_t TWVLongHaul0DB[25][5] =/* T1 Long Haul 0 DB */
+{
+    {0x00, 0x44, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x0A, 0x44, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x20, 0x43, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x32, 0x43, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x3E, 0x42, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x3D, 0x42, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x3C, 0x41, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x3B, 0x41, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x39, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x39, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x38, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x37, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x36, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x34, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x29, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x4F, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x4C, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x49, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x0C}                              /* PMC's suggested value */
+/*  {0x14}                    Output Amplitude */
+};
+
+u_int8_t    TWVLongHaul7_5DB[25][5] =   /* T1 Long Haul 7.5 DB */
+{
+    {0x00, 0x10, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x01, 0x0E, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x02, 0x0C, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x04, 0x0A, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x08, 0x08, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x0C, 0x06, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x10, 0x04, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x16, 0x02, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x1A, 0x01, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x1E, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x22, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x26, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x2A, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x2B, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x2C, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x2D, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x2C, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x28, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x24, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x20, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x1C, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x18, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x14, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x12, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x07}                      /* PMC's suggested value */
+/*  { 0x0A }                        Output Amplitude */
+};
+
+u_int8_t    TWVLongHaul15DB[25][5] =    /* T1 Long Haul 15 DB */
+{
+    {0x00, 0x2A, 0x09, 0x01, 0x00},     /* Sample 0 */
+    {0x00, 0x28, 0x08, 0x01, 0x00},     /* Sample 1 */
+    {0x00, 0x26, 0x08, 0x01, 0x00},     /* Sample 2 */
+    {0x00, 0x24, 0x07, 0x01, 0x00},     /* Sample 3 */
+    {0x01, 0x22, 0x07, 0x01, 0x00},     /* Sample 4 */
+    {0x02, 0x20, 0x06, 0x01, 0x00},     /* Sample 5 */
+    {0x04, 0x1E, 0x06, 0x01, 0x00},     /* Sample 6 */
+    {0x07, 0x1C, 0x05, 0x00, 0x00},     /* Sample 7 */
+    {0x0A, 0x1B, 0x05, 0x00, 0x00},     /* Sample 8 */
+    {0x0D, 0x19, 0x05, 0x00, 0x00},     /* Sample 9 */
+    {0x10, 0x18, 0x04, 0x00, 0x00},     /* Sample 10 */
+    {0x14, 0x16, 0x04, 0x00, 0x00},     /* Sample 11 */
+    {0x18, 0x15, 0x04, 0x00, 0x00},     /* Sample 12 */
+    {0x1B, 0x13, 0x03, 0x00, 0x00},     /* Sample 13 */
+    {0x1E, 0x12, 0x03, 0x00, 0x00},     /* Sample 14 */
+    {0x21, 0x10, 0x03, 0x00, 0x00},     /* Sample 15 */
+    {0x24, 0x0F, 0x03, 0x00, 0x00},     /* Sample 16 */
+    {0x27, 0x0D, 0x03, 0x00, 0x00},     /* Sample 17 */
+    {0x2A, 0x0D, 0x02, 0x00, 0x00},     /* Sample 18 */
+    {0x2D, 0x0B, 0x02, 0x00, 0x00},     /* Sample 19 */
+    {0x30, 0x0B, 0x02, 0x00, 0x00},     /* Sample 20 */
+    {0x30, 0x0A, 0x02, 0x00, 0x00},     /* Sample 21 */
+    {0x2E, 0x0A, 0x02, 0x00, 0x00},     /* Sample 22 */
+    {0x2C, 0x09, 0x02, 0x00, 0x00},     /* Sample 23 */
+    {0x03}                      /* Output Amplitude */
+};
+
+u_int8_t    TWVLongHaul22_5DB[25][5] =  /* T1 Long Haul 22.5 DB */
+{
+    {0x00, 0x1F, 0x16, 0x06, 0x01},     /* Sample 0 */
+    {0x00, 0x20, 0x15, 0x05, 0x01},     /* Sample 1 */
+    {0x00, 0x21, 0x15, 0x05, 0x01},     /* Sample 2 */
+    {0x00, 0x22, 0x14, 0x05, 0x01},     /* Sample 3 */
+    {0x00, 0x22, 0x13, 0x04, 0x00},     /* Sample 4 */
+    {0x00, 0x23, 0x12, 0x04, 0x00},     /* Sample 5 */
+    {0x01, 0x23, 0x12, 0x04, 0x00},     /* Sample 6 */
+    {0x01, 0x24, 0x11, 0x03, 0x00},     /* Sample 7 */
+    {0x01, 0x23, 0x10, 0x03, 0x00},     /* Sample 8 */
+    {0x02, 0x23, 0x10, 0x03, 0x00},     /* Sample 9 */
+    {0x03, 0x22, 0x0F, 0x03, 0x00},     /* Sample 10 */
+    {0x05, 0x22, 0x0E, 0x03, 0x00},     /* Sample 11 */
+    {0x07, 0x21, 0x0E, 0x02, 0x00},     /* Sample 12 */
+    {0x09, 0x20, 0x0D, 0x02, 0x00},     /* Sample 13 */
+    {0x0B, 0x1E, 0x0C, 0x02, 0x00},     /* Sample 14 */
+    {0x0E, 0x1D, 0x0C, 0x02, 0x00},     /* Sample 15 */
+    {0x10, 0x1B, 0x0B, 0x02, 0x00},     /* Sample 16 */
+    {0x13, 0x1B, 0x0A, 0x02, 0x00},     /* Sample 17 */
+    {0x15, 0x1A, 0x0A, 0x02, 0x00},     /* Sample 18 */
+    {0x17, 0x19, 0x09, 0x01, 0x00},     /* Sample 19 */
+    {0x19, 0x19, 0x08, 0x01, 0x00},     /* Sample 20 */
+    {0x1B, 0x18, 0x08, 0x01, 0x00},     /* Sample 21 */
+    {0x1D, 0x17, 0x07, 0x01, 0x00},     /* Sample 22 */
+    {0x1E, 0x17, 0x06, 0x01, 0x00},     /* Sample 23 */
+    {0x02}                      /* Output Amplitude */
+};
+
+u_int8_t    TWVShortHaul0[25][5] =      /* T1 Short Haul 0 - 110 ft */
+{
+    {0x00, 0x45, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x0A, 0x44, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x20, 0x43, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x3F, 0x42, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x3F, 0x42, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x3C, 0x41, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x3B, 0x41, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x39, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x39, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x38, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x37, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x36, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x34, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x29, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x59, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x55, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x50, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x4D, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x48, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x0C}                      /* Output Amplitude */
+};
+
+u_int8_t    TWVShortHaul1[25][5] =      /* T1 Short Haul 110 - 220 ft */
+{
+    {0x00, 0x44, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x0A, 0x44, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x36, 0x42, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x34, 0x42, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x30, 0x41, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x2F, 0x41, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x2E, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x2D, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x2C, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x2B, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x2A, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x28, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x26, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x68, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x54, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x4F, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x49, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x10}                      /* Output Amplitude */
+};
+
+u_int8_t    TWVShortHaul2[25][5] =      /* T1 Short Haul 220 - 330 ft */
+{
+    {0x00, 0x44, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x0A, 0x44, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x3A, 0x43, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x3A, 0x42, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x38, 0x42, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x30, 0x41, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x2F, 0x41, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x2E, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x2D, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x2C, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x2B, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x2A, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x29, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x23, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x6C, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x60, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x4F, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x49, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x11}                      /* Output Amplitude */
+};
+
+u_int8_t    TWVShortHaul3[25][5] =      /* T1 Short Haul 330 - 440 ft */
+{
+    {0x00, 0x44, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x0A, 0x44, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x3F, 0x42, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x3F, 0x42, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x2F, 0x41, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x2E, 0x41, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x2D, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x2C, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x2B, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x2A, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x29, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x28, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x19, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x7F, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x60, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x4F, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x49, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x12}                      /* Output Amplitude */
+};
+
+u_int8_t    TWVShortHaul4[25][5] =      /* T1 Short Haul 440 - 550 ft */
+{
+    {0x00, 0x44, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x0A, 0x44, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x3F, 0x42, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x3F, 0x42, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x30, 0x41, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x2B, 0x41, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x2A, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x29, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x28, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x27, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x26, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x26, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x24, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x7F, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x7F, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x4F, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x49, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x14}                      /* Output Amplitude */
+};
+
+u_int8_t    TWVShortHaul5[25][5] =      /* T1 Short Haul 550 - 660 ft */
+{
+    {0x00, 0x44, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x0A, 0x44, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x3F, 0x43, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x3F, 0x42, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x3F, 0x42, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x3F, 0x41, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x30, 0x41, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x2A, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x29, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x28, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x27, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x26, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x25, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x24, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x4A, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x7F, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x7F, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x5F, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x50, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x49, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x47, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x46, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x15}                      /* Output Amplitude */
+};
+
+u_int8_t    TWV_E1_120Ohm[25][5] =      /* E1 120 Ohm */
+{
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x0A, 0x00, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x3F, 0x00, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x3F, 0x00, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x39, 0x00, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x38, 0x00, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x36, 0x00, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x36, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x35, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x35, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x35, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x35, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x35, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x35, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x2D, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+    {0x0C}                      /* PMC's suggested value */
+/*  { 0x10 }                Output Amplitude */
+};
+
+
+
+u_int8_t    TWV_E1_75Ohm[25][5] =       /* E1 75 Ohm */
+{
+#ifdef PMCC4_DOES_NOT_SUPPORT
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 0 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 1 */
+    {0x0A, 0x00, 0x00, 0x00, 0x00},     /* Sample 2 */
+    {0x28, 0x00, 0x00, 0x00, 0x00},     /* Sample 3 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 4 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 5 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 6 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 7 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 8 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 9 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 10 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 11 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 12 */
+    {0x3A, 0x00, 0x00, 0x00, 0x00},     /* Sample 13 */
+    {0x32, 0x00, 0x00, 0x00, 0x00},     /* Sample 14 */
+    {0x14, 0x00, 0x00, 0x00, 0x00},     /* Sample 15 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 16 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 17 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 18 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 19 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 20 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 21 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 22 */
+    {0x00, 0x00, 0x00, 0x00, 0x00},     /* Sample 23 */
+#endif
+    {0x0C}                      /* Output Amplitude */
+};
+
+
+u_int32_t T1_Equalizer[256] =   /* T1 Receiver Equalizer */
+{
+    0x03FE1840, 0x03F61840, 0x03EE1840, 0x03E61840,     /* 000 - 003 */
+        0x03DE1840, 0x03D61840, 0x03D61840, 0x03D61840, /* 004 - 007 */
+        0x03CE1840, 0x03CE1840, 0x03CE1840, 0x03CE1840, /* 008 - 011 */
+        0x03C61840, 0x03C61840, 0x03C61840, 0x0BBE1840, /* 012 - 015 */
+        0x0BBE1840, 0x0BBE1840, 0x0BBE1840, 0x0BB61840, /* 016 - 019 */
+        0x0BB61840, 0x0BB61840, 0x0BB61840, 0x13AE1838, /* 020 - 023 */
+        0x13AE183C, 0x13AE1840, 0x13AE1840, 0x13AE1840, /* 024 - 027 */
+        0x13AE1840, 0x1BB618B8, 0x1BAE18B8, 0x1BAE18BC, /* 028 - 031 */
+        0x1BAE18C0, 0x1BAE18C0, 0x23A618C0, 0x23A618C0, /* 032 - 035 */
+        0x23A618C0, 0x23A618C0, 0x23A618C0, 0x239E18C0, /* 036 - 039 */
+        0x239E18C0, 0x239E18C0, 0x239E18C0, 0x239E18C0, /* 040 - 043 */
+        0x2B9618C0, 0x2B9618C0, 0x2B9618C0, 0x33961940, /* 044 - 047 */
+        0x37961940, 0x37961940, 0x37961940, 0x3F9E19C0, /* 048 - 051 */
+        0x3F9E19C0, 0x3F9E19C0, 0x3FA61A40, 0x3FA61A40, /* 052 - 055 */
+        0x3FA61A40, 0x3FA61A40, 0x3F9619C0, 0x3F9619C0, /* 056 - 059 */
+        0x3F9619C0, 0x3F9619C0, 0x479E1A40, 0x479E1A40, /* 060 - 063 */
+        0x479E1A40, 0x47961A40, 0x47961A40, 0x47961A40, /* 064 - 067 */
+        0x47961A40, 0x4F8E1A40, 0x4F8E1A40, 0x4F8E1A40, /* 068 - 071 */
+        0x4F8E1A40, 0x4F8E1A40, 0x57861A40, 0x57861A40, /* 072 - 075 */
+        0x57861A40, 0x57861A40, 0x57861A40, 0x5F861AC0, /* 076 - 079 */
+        0x5F861AC0, 0x5F861AC0, 0x5F861AC0, 0x5F861AC0, /* 080 - 083 */
+        0x5F861AC0, 0x5F7E1AC0, 0x5F7E1AC0, 0x5F7E1AC0, /* 084 - 087 */
+        0x5F7E1AC0, 0x5F7E1AC0, 0x677E2AC0, 0x677E2AC0, /* 088 - 091 */
+        0x677E2AC0, 0x677E2AC0, 0x67762AC0, 0x67762AC0, /* 092 - 095 */
+        0x67762AC0, 0x67762AC0, 0x67762AC0, 0x6F6E2AC0, /* 096 - 099 */
+        0x6F6E2AC0, 0x6F6E2AC0, 0x6F6E2AC0, 0x776E3AC0, /* 100 - 103 */
+        0x776E3AC0, 0x776E3AC0, 0x776E3AC0, 0x7F663AC0, /* 104 - 107 */
+        0x7F663AC0, 0x7F664AC0, 0x7F664AC0, 0x7F664AC0, /* 108 - 111 */
+        0x7F664AC0, 0x87665AC0, 0x87665AC0, 0x87665AC0, /* 112 - 115 */
+        0x87665AC0, 0x87665AC0, 0x875E5AC0, 0x875E5AC0, /* 116 - 119 */
+        0x875E5AC0, 0x875E5AC0, 0x875E5AC0, 0x8F5E6AC0, /* 120 - 123 */
+        0x8F5E6AC0, 0x8F5E6AC0, 0x8F5E6AC0, 0x975E7AC0, /* 124 - 127 */
+        0x975E7AC0, 0x975E7AC0, 0x975E7AC0, 0x9F5E8AC0, /* 128 - 131 */
+        0x9F5E8AC0, 0x9F5E8AC0, 0x9F5E8AC0, 0x9F5E8AC0, /* 132 - 135 */
+        0xA7569AC0, 0xA7569AC0, 0xA7569AC0, 0xA7569AC0, /* 136 - 139 */
+        0xA756AAC0, 0xA756AAC0, 0xA756AAC0, 0xAF4EAAC0, /* 140 - 143 */
+        0xAF4EAAC0, 0xAF4EAAC0, 0xAF4EAAC0, 0xAF4EAAC0, /* 144 - 147 */
+        0xB746AAC0, 0xB746AAC0, 0xB746AAC0, 0xB746AAC0, /* 148 - 151 */
+        0xB746AAC0, 0xB746AAC0, 0xB746AAC0, 0xB746BAC0, /* 152 - 155 */
+        0xB746BAC0, 0xB746BAC0, 0xBF4EBB40, 0xBF4EBB40, /* 156 - 159 */
+        0xBF4EBB40, 0xBF4EBB40, 0xBF4EBB40, 0xBF4EBB40, /* 160 - 163 */
+        0xBF4EBB40, 0xBF4EBB40, 0xBF4EBB40, 0xBE46CB40, /* 164 - 167 */
+        0xBE46CB40, 0xBE46CB40, 0xBE46CB40, 0xBE46CB40, /* 168 - 171 */
+        0xBE46CB40, 0xBE46DB40, 0xBE46DB40, 0xBE46DB40, /* 172 - 175 */
+        0xC63ECB40, 0xC63ECB40, 0xC63EDB40, 0xC63EDB40, /* 176 - 179 */
+        0xC63EDB40, 0xC644DB40, 0xC644DB40, 0xC644DB40, /* 180 - 183 */
+        0xC644DB40, 0xC63CDB40, 0xC63CDB40, 0xC63CDB40, /* 184 - 187 */
+        0xC63CDB40, 0xD634DB40, 0xD634DB40, 0xD634DB40, /* 188 - 191 */
+        0xD634DB40, 0xD634DB40, 0xDE2CDB3C, 0xDE2CDB3C, /* 192 - 195 */
+        0xDE2CDB3C, 0xE62CDB40, 0xE62CDB40, 0xE62CDB40, /* 196 - 199 */
+        0xE62CDB40, 0xE62CDB40, 0xE62CEB40, 0xE62CEB40, /* 200 - 203 */
+        0xE62CEB40, 0xEE2CFB40, 0xEE2CFB40, 0xEE2CFB40, /* 204 - 207 */
+        0xEE2D0B40, 0xEE2D0B40, 0xEE2D0B40, 0xEE2D0B40, /* 208 - 211 */
+        0xEE2D0B40, 0xF5250B38, 0xF5250B3C, 0xF5250B40, /* 212 - 215 */
+        0xF5251B40, 0xF5251B40, 0xF5251B40, 0xF5251B40, /* 216 - 219 */
+        0xF5251B40, 0xFD252B40, 0xFD252B40, 0xFD252B40, /* 220 - 223 */
+        0xFD252B40, 0xFD252740, 0xFD252740, 0xFD252740, /* 224 - 227 */
+        0xFD252340, 0xFD252340, 0xFD252340, 0xFD253340, /* 228 - 231 */
+        0xFD253340, 0xFD253340, 0xFD253340, 0xFD253340, /* 232 - 235 */
+        0xFD253340, 0xFD253340, 0xFD253340, 0xFC254340, /* 236 - 239 */
+        0xFD254340, 0xFD254340, 0xFD254344, 0xFC254348, /* 240 - 243 */
+        0xFC25434C, 0xFD2543BC, 0xFD2543C0, 0xFC2543C0, /* 244 - 247 */
+        0xFC2343C0, 0xFC2343C0, 0xFD2343C0, 0xFC2143C0, /* 248 - 251 */
+        0xFC2143C0, 0xFC2153C0, 0xFD2153C0, 0xFC2153C0  /* 252 - 255 */
+};
+
+
+u_int32_t   E1_Equalizer[256] = /* E1 Receiver Equalizer */
+{
+    0x07DE182C, 0x07DE182C, 0x07D6182C, 0x07D6182C,     /* 000 - 003 */
+    0x07D6182C, 0x07CE182C, 0x07CE182C, 0x07CE182C,     /* 004 - 007 */
+    0x07C6182C, 0x07C6182C, 0x07C6182C, 0x07BE182C,     /* 008 - 011 */
+    0x07BE182C, 0x07BE182C, 0x07BE182C, 0x07BE182C,     /* 012 - 015 */
+    0x07B6182C, 0x07B6182C, 0x07B6182C, 0x07B6182C,     /* 016 - 019 */
+    0x07B6182C, 0x07AE182C, 0x07AE182C, 0x07AE182C,     /* 020 - 023 */
+    0x07AE182C, 0x07AE182C, 0x07B618AC, 0x07AE18AC,     /* 024 - 027 */
+    0x07AE18AC, 0x07AE18AC, 0x07AE18AC, 0x07A618AC,     /* 028 - 031 */
+    0x07A618AC, 0x07A618AC, 0x07A618AC, 0x079E18AC,     /* 032 - 035 */
+    0x07A6192C, 0x07A6192C, 0x07A6192C, 0x0FA6192C,     /* 036 - 039 */
+    0x0FA6192C, 0x0F9E192C, 0x0F9E192C, 0x0F9E192C,     /* 040 - 043 */
+    0x179E192C, 0x17A619AC, 0x179E19AC, 0x179E19AC,     /* 044 - 047 */
+    0x179619AC, 0x1F9619AC, 0x1F9619AC, 0x1F8E19AC,     /* 048 - 051 */
+    0x1F8E19AC, 0x1F8E19AC, 0x278E19AC, 0x278E1A2C,     /* 052 - 055 */
+    0x278E1A2C, 0x278E1A2C, 0x278E1A2C, 0x2F861A2C,     /* 056 - 059 */
+    0x2F861A2C, 0x2F861A2C, 0x2F7E1A2C, 0x2F7E1A2C,     /* 060 - 063 */
+    0x2F7E1A2C, 0x377E1A2C, 0x377E1AAC, 0x377E1AAC,     /* 064 - 067 */
+    0x377E1AAC, 0x377E1AAC, 0x3F7E2AAC, 0x3F7E2AAC,     /* 068 - 071 */
+    0x3F762AAC, 0x3F862B2C, 0x3F7E2B2C, 0x477E2B2C,     /* 072 - 075 */
+    0x477E2F2C, 0x477E2F2C, 0x477E2F2C, 0x47762F2C,     /* 076 - 079 */
+    0x4F762F2C, 0x4F762F2C, 0x4F6E2F2C, 0x4F6E2F2C,     /* 080 - 083 */
+    0x4F6E2F2C, 0x576E2F2C, 0x576E2F2C, 0x576E3F2C,     /* 084 - 087 */
+    0x576E3F2C, 0x576E3F2C, 0x5F6E3F2C, 0x5F6E4F2C,     /* 088 - 091 */
+    0x5F6E4F2C, 0x5F6E4F2C, 0x5F664F2C, 0x67664F2C,     /* 092 - 095 */
+    0x67664F2C, 0x675E4F2C, 0x675E4F2C, 0x67664F2C,     /* 096 - 099 */
+    0x67664F2C, 0x67665F2C, 0x6F6E5F2C, 0x6F6E6F2C,     /* 100 - 103 */
+    0x6F6E6F2C, 0x6F6E7F2C, 0x6F6E7F2C, 0x6F6E7F2C,     /* 104 - 107 */
+    0x77667F2C, 0x77667F2C, 0x775E6F2C, 0x775E7F2C,     /* 108 - 111 */
+    0x775E7F2C, 0x7F5E7F2C, 0x7F5E8F2C, 0x7F5E8F2C,     /* 112 - 115 */
+    0x7F5E8F2C, 0x87568F2C, 0x87568F2C, 0x87568F2C,     /* 116 - 119 */
+    0x874E8F2C, 0x874E8F2C, 0x874E8F2C, 0x8F4E9F2C,     /* 120 - 123 */
+    0x8F4E9F2C, 0x8F4EAF2C, 0x8F4EAF2C, 0x8F4EAF2C,     /* 124 - 127 */
+    0x974EAF2C, 0x974EAF2C, 0x974EAB2C, 0x974EAB2C,     /* 128 - 131 */
+    0x974EAB2C, 0x9F4EAB2C, 0x9F4EBB2C, 0x9F4EBB2C,     /* 132 - 135 */
+    0x9F4EBB2C, 0x9F4ECB2C, 0xA74ECB2C, 0xA74ECB2C,     /* 136 - 139 */
+    0xA746CB2C, 0xA746CB2C, 0xA746CB2C, 0xA746DB2C,     /* 140 - 143 */
+    0xAF46DB2C, 0xAF46EB2C, 0xAF46EB2C, 0xAF4EEB2C,     /* 144 - 147 */
+    0xAE4EEB2C, 0xAE4EEB2C, 0xB546FB2C, 0xB554FB2C,     /* 148 - 151 */
+    0xB54CEB2C, 0xB554FB2C, 0xB554FB2C, 0xBD54FB2C,     /* 152 - 155 */
+    0xBD4CFB2C, 0xBD4CFB2C, 0xBD4CFB2C, 0xBD44EB2C,     /* 156 - 159 */
+    0xC544FB2C, 0xC544FB2C, 0xC544FB2C, 0xC5450B2C,     /* 160 - 163 */
+    0xC5450B2C, 0xC5450B2C, 0xCD450B2C, 0xCD450B2C,     /* 164 - 167 */
+    0xCD3D0B2C, 0xCD3D0B2C, 0xCD3D0B2C, 0xD53D0B2C,     /* 168 - 171 */
+    0xD53D0B2C, 0xD53D1B2C, 0xD53D1B2C, 0xD53D1B2C,     /* 172 - 175 */
+    0xDD3D1B2C, 0xDD3D1B2C, 0xDD351B2C, 0xDD351B2C,     /* 176 - 179 */
+    0xDD351B2C, 0xE5351B2C, 0xE5351B2C, 0xE52D1B2C,     /* 180 - 183 */
+    0xE52D1B2C, 0xE52D3B2C, 0xED2D4B2C, 0xED2D1BA8,     /* 184 - 187 */
+    0xED2D1BAC, 0xED2D17AC, 0xED2D17AC, 0xED2D27AC,     /* 188 - 191 */
+    0xF52D27AC, 0xF52D27AC, 0xF52D2BAC, 0xF52D2BAC,     /* 192 - 195 */
+    0xF52D2BAC, 0xFD2D2BAC, 0xFD2B2BAC, 0xFD2B2BAC,     /* 196 - 199 */
+    0xFD2B2BAC, 0xFD2B2BAC, 0xFD232BAC, 0xFD232BAC,     /* 200 - 203 */
+    0xFD232BAC, 0xFD212BAC, 0xFD212BAC, 0xFD292BAC,     /* 204 - 207 */
+    0xFD292BAC, 0xFD2927AC, 0xFD2937AC, 0xFD2923AC,     /* 208 - 211 */
+    0xFD2923AC, 0xFD2923AC, 0xFD2923AC, 0xFD2123AC,     /* 212 - 215 */
+    0xFD2123AC, 0xFD2123AC, 0xFD2133AC, 0xFD2133AC,     /* 216 - 219 */
+    0xFD2133AC, 0xFD2143AC, 0xFD2143AC, 0xFD2143AC,     /* 220 - 223 */
+    0xFC2143AC, 0xFC2143AC, 0xFC1943AC, 0xFC1943AC,     /* 224 - 227 */
+    0xFC1943AC, 0xFC1943AC, 0xFC1953AC, 0xFC1953AC,     /* 228 - 231 */
+    0xFC1953AC, 0xFC1953AC, 0xFC1963AC, 0xFC1963AC,     /* 232 - 235 */
+    0xFC1963AC, 0xFC1973AC, 0xFC1973AC, 0xFC1973AC,     /* 236 - 239 */
+    0xFC1973AC, 0xFC1973AC, 0xFC1983AC, 0xFC1983AC,     /* 240 - 243 */
+    0xFC1983AC, 0xFC1983AC, 0xFC1983AC, 0xFC1993AC,     /* 244 - 247 */
+    0xFC1993AC, 0xFC1993AC, 0xFC19A3AC, 0xFC19A3AC,     /* 248 - 251 */
+    0xFC19B3AC, 0xFC19B3AC, 0xFC19B3AC, 0xFC19B3AC      /* 252 - 255 */
+};
+
+/*** End-of-Files ***/
diff --git a/drivers/staging/cxt1e1/comet_tables.h b/drivers/staging/cxt1e1/comet_tables.h
new file mode 100644
index 00000000000..80424a26a16
--- /dev/null
+++ b/drivers/staging/cxt1e1/comet_tables.h
@@ -0,0 +1,85 @@
+/*
+ * $Id: comet_tables.h,v 1.5 2006/01/02 22:37:31 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_COMET_TBLS_H_
+#define _INC_COMET_TBLS_H_
+
+/*-----------------------------------------------------------------------------
+ * comet_tables.h - Waveform Tables for the PM4351 'COMET'
+ *
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.5 $
+ * Last changed on $Date: 2006/01/02 22:37:31 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: comet_tables.h,v $
+ * Revision 1.5  2006/01/02 22:37:31  rickd
+ * Double indexed arrays need sizings to avoid CC errors under
+ * gcc 4.0.0
+ *
+ * Revision 1.4  2005/10/17 23:55:28  rickd
+ * The 75 Ohm transmit waveform is not supported on PMCC4.
+ *
+ * Revision 1.3  2005/09/28 00:10:08  rickd
+ * Add GNU License info. Structures moved to -C- file.
+ *
+ * Revision 1.2  2005/04/28 23:43:04  rickd
+ * Add RCS tracking heading.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+
+/*****************************************************************************
+*
+*  Array names:
+*
+*       TWVLongHaul0DB
+*       TWVLongHaul7_5DB
+*       TWVLongHaul15DB
+*       TWVLongHaul22_5DB
+*       TWVShortHaul0
+*       TWVShortHaul1
+*       TWVShortHaul2
+*       TWVShortHaul3
+*       TWVShortHaul4
+*       TWVShortHaul5
+*       TWV_E1_120Ohm
+*       TWV_E1_75Ohm    <not supported>
+*       T1_Equalizer
+*       E1_Equalizer
+*
+*****************************************************************************/
+
+extern u_int8_t TWVLongHaul0DB[25][5];      /* T1 Long Haul 0 DB */
+extern u_int8_t TWVLongHaul7_5DB[25][5];    /* T1 Long Haul 7.5 DB */
+extern u_int8_t TWVLongHaul15DB[25][5];     /* T1 Long Haul 15 DB */
+extern u_int8_t TWVLongHaul22_5DB[25][5];   /* T1 Long Haul 22.5 DB */
+extern u_int8_t TWVShortHaul0[25][5];       /* T1 Short Haul 0-110 ft */
+extern u_int8_t TWVShortHaul1[25][5];       /* T1 Short Haul 110-220 ft */
+extern u_int8_t TWVShortHaul2[25][5];       /* T1 Short Haul 220-330 ft */
+extern u_int8_t TWVShortHaul3[25][5];       /* T1 Short Haul 330-440 ft */
+extern u_int8_t TWVShortHaul4[25][5];       /* T1 Short Haul 440-550 ft */
+extern u_int8_t TWVShortHaul5[25][5];       /* T1 Short Haul 550-660 ft */
+extern u_int8_t TWV_E1_75Ohm[25][5];        /* E1 75 Ohm */
+extern u_int8_t TWV_E1_120Ohm[25][5];       /* E1 120 Ohm */
+extern u_int32_t T1_Equalizer[256];    /* T1 Receiver Equalizer */
+extern u_int32_t E1_Equalizer[256];    /* E1 Receiver Equalizer */
+
+#endif                          /* _INC_COMET_TBLS_H_ */
diff --git a/drivers/staging/cxt1e1/functions.c b/drivers/staging/cxt1e1/functions.c
new file mode 100644
index 00000000000..c95c62dfb04
--- /dev/null
+++ b/drivers/staging/cxt1e1/functions.c
@@ -0,0 +1,366 @@
+/* Copyright (C) 2003-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include <linux/slab.h>
+#include <asm/io.h>
+#include <asm/byteorder.h>
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+#include <linux/hdlc.h>
+#include "pmcc4_sysdep.h"
+#include "sbecom_inline_linux.h"
+#include "libsbew.h"
+#include "pmcc4.h"
+
+
+#ifdef SBE_INCLUDE_SYMBOLS
+#define STATIC
+#else
+#define STATIC  static
+#endif
+
+#if defined(CONFIG_SBE_HDLC_V7) || defined(CONFIG_SBE_WAN256T3_HDLC_V7) || \
+    defined(CONFIG_SBE_HDLC_V7_MODULE) || defined(CONFIG_SBE_WAN256T3_HDLC_V7_MODULE)
+#define _v7_hdlc_  1
+#else
+#define _v7_hdlc_  0
+#endif
+
+#if _v7_hdlc_
+#define V7(x) (x ## _v7)
+extern int  hdlc_netif_rx_v7 (hdlc_device *, struct sk_buff *);
+extern int  register_hdlc_device_v7 (hdlc_device *);
+extern int  unregister_hdlc_device_v7 (hdlc_device *);
+
+#else
+#define V7(x) x
+#endif
+
+
+#ifndef USE_MAX_INT_DELAY
+static int  dummy = 0;
+
+#endif
+
+extern int  log_level;
+extern int  drvr_state;
+
+
+#if 1
+u_int32_t
+pci_read_32 (u_int32_t *p)
+{
+#ifdef FLOW_DEBUG
+    u_int32_t   v;
+
+    FLUSH_PCI_READ ();
+    v = le32_to_cpu (*p);
+    if (log_level >= LOG_DEBUG)
+        printk ("pci_read : %x = %x\n", (u_int32_t) p, v);
+    return v;
+#else
+    FLUSH_PCI_READ ();              /* */
+    return le32_to_cpu (*p);
+#endif
+}
+
+void
+pci_write_32 (u_int32_t *p, u_int32_t v)
+{
+#ifdef FLOW_DEBUG
+    if (log_level >= LOG_DEBUG)
+        printk ("pci_write: %x = %x\n", (u_int32_t) p, v);
+#endif
+    *p = cpu_to_le32 (v);
+    FLUSH_PCI_WRITE ();             /* This routine is called from routines
+                                     * which do multiple register writes
+                                     * which themselves need flushing between
+                                     * writes in order to guarantee write
+                                     * ordering.  It is less code-cumbersome
+                                     * to flush here-in then to investigate
+                                     * and code the many other register
+                                     * writing routines. */
+}
+#endif
+
+
+void
+pci_flush_write (ci_t * ci)
+{
+    volatile u_int32_t v;
+
+    /* issue a PCI read to flush PCI write thru bridge */
+    v = *(u_int32_t *) &ci->reg->glcd;  /* any address would do */
+
+    /*
+     * return nothing, this just reads PCI bridge interface to flush
+     * previously written data
+     */
+}
+
+
+STATIC void
+watchdog_func (unsigned long arg)
+{
+    struct watchdog *wd = (void *) arg;
+
+    if (drvr_state != SBE_DRVR_AVAILABLE)
+    {
+        if (log_level >= LOG_MONITOR)
+            printk (KERN_WARNING "watchdog_func: drvr not available (%x)\n", drvr_state);
+        return;
+    }
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+    /* Initialize the tq entry only the first time */
+    if (wd->init_tq)
+    {
+        wd->init_tq = 0;
+        wd->tq.routine = wd->func;
+        wd->tq.sync = 0;
+        wd->tq.data = wd->softc;
+    }
+    schedule_task (&wd->tq);
+#else
+    schedule_work (&wd->work);
+#endif
+    mod_timer (&wd->h, jiffies + wd->ticks);
+}
+
+int OS_init_watchdog(struct watchdog *wdp, void (*f) (void *), void *c, int usec)
+{
+    wdp->func = f;
+    wdp->softc = c;
+    wdp->ticks = (HZ) * (usec / 1000) / 1000;
+    INIT_WORK(&wdp->work, (void *)f);
+    init_timer (&wdp->h);
+    {
+        ci_t       *ci = (ci_t *) c;
+
+        wdp->h.data = (unsigned long) &ci->wd;
+    }
+    wdp->h.function = watchdog_func;
+    return 0;
+}
+
+void
+OS_uwait (int usec, char *description)
+{
+    int         tmp;
+
+    if (usec >= 1000)
+    {
+        mdelay (usec / 1000);
+        /* now delay residual */
+        tmp = (usec / 1000) * 1000; /* round */
+        tmp = usec - tmp;           /* residual */
+        if (tmp)
+        {                           /* wait on residual */
+            udelay (tmp);
+        }
+    } else
+    {
+        udelay (usec);
+    }
+}
+
+/* dummy short delay routine called as a subroutine so that compiler
+ * does not optimize/remove its intent (a short delay)
+ */
+
+void
+OS_uwait_dummy (void)
+{
+#ifndef USE_MAX_INT_DELAY
+    dummy++;
+#else
+    udelay (1);
+#endif
+}
+
+
+void
+OS_sem_init (void *sem, int state)
+{
+    switch (state)
+    {
+        case SEM_TAKEN:
+        init_MUTEX_LOCKED ((struct semaphore *) sem);
+        break;
+    case SEM_AVAILABLE:
+        init_MUTEX ((struct semaphore *) sem);
+        break;
+    default:                        /* otherwise, set sem.count to state's
+                                     * value */
+        sema_init (sem, state);
+        break;
+    }
+}
+
+
+int
+sd_line_is_ok (void *user)
+{
+    struct net_device *ndev = (struct net_device *) user;
+
+    return (netif_carrier_ok (ndev));
+}
+
+void
+sd_line_is_up (void *user)
+{
+    struct net_device *ndev = (struct net_device *) user;
+
+    netif_carrier_on (ndev);
+    return;
+}
+
+void
+sd_line_is_down (void *user)
+{
+    struct net_device *ndev = (struct net_device *) user;
+
+    netif_carrier_off (ndev);
+    return;
+}
+
+void
+sd_disable_xmit (void *user)
+{
+    struct net_device *dev = (struct net_device *) user;
+
+    netif_stop_queue (dev);
+    return;
+}
+
+void
+sd_enable_xmit (void *user)
+{
+    struct net_device *dev = (struct net_device *) user;
+
+    netif_wake_queue (dev);
+    return;
+}
+
+int
+sd_queue_stopped (void *user)
+{
+    struct net_device *ndev = (struct net_device *) user;
+
+    return (netif_queue_stopped (ndev));
+}
+
+void sd_recv_consume(void *token, size_t len, void *user)
+{
+    struct net_device *ndev = user;
+    struct sk_buff *skb = token;
+
+    skb->dev = ndev;
+    skb_put (skb, len);
+    skb->protocol = hdlc_type_trans(skb, ndev);
+    netif_rx(skb);
+}
+
+
+/**
+ ** Read some reserved location w/in the COMET chip as a usable
+ ** VMETRO trigger point or other trace marking event.
+ **/
+
+#include "comet.h"
+
+extern ci_t *CI;                /* dummy pointer to board ZERO's data */
+void
+VMETRO_TRACE (void *x)
+{
+    u_int32_t   y = (u_int32_t) x;
+
+    pci_write_32 ((u_int32_t *) &CI->cpldbase->leds, y);
+}
+
+
+void
+VMETRO_TRIGGER (ci_t * ci, int x)
+{
+    comet_t    *comet;
+    volatile u_int32_t data;
+
+    comet = ci->port[0].cometbase;  /* default to COMET # 0 */
+
+    switch (x)
+    {
+    default:
+    case 0:
+        data = pci_read_32 ((u_int32_t *) &comet->__res24);     /* 0x90 */
+        break;
+    case 1:
+        data = pci_read_32 ((u_int32_t *) &comet->__res25);     /* 0x94 */
+        break;
+    case 2:
+        data = pci_read_32 ((u_int32_t *) &comet->__res26);     /* 0x98 */
+        break;
+    case 3:
+        data = pci_read_32 ((u_int32_t *) &comet->__res27);     /* 0x9C */
+        break;
+    case 4:
+        data = pci_read_32 ((u_int32_t *) &comet->__res88);     /* 0x220 */
+        break;
+    case 5:
+        data = pci_read_32 ((u_int32_t *) &comet->__res89);     /* 0x224 */
+        break;
+    case 6:
+        data = pci_read_32 ((u_int32_t *) &comet->__res8A);     /* 0x228 */
+        break;
+    case 7:
+        data = pci_read_32 ((u_int32_t *) &comet->__res8B);     /* 0x22C */
+        break;
+    case 8:
+        data = pci_read_32 ((u_int32_t *) &comet->__resA0);     /* 0x280 */
+        break;
+    case 9:
+        data = pci_read_32 ((u_int32_t *) &comet->__resA1);     /* 0x284 */
+        break;
+    case 10:
+        data = pci_read_32 ((u_int32_t *) &comet->__resA2);     /* 0x288 */
+        break;
+    case 11:
+        data = pci_read_32 ((u_int32_t *) &comet->__resA3);     /* 0x28C */
+        break;
+    case 12:
+        data = pci_read_32 ((u_int32_t *) &comet->__resA4);     /* 0x290 */
+        break;
+    case 13:
+        data = pci_read_32 ((u_int32_t *) &comet->__resA5);     /* 0x294 */
+        break;
+    case 14:
+        data = pci_read_32 ((u_int32_t *) &comet->__resA6);     /* 0x298 */
+        break;
+    case 15:
+        data = pci_read_32 ((u_int32_t *) &comet->__resA7);     /* 0x29C */
+        break;
+    case 16:
+        data = pci_read_32 ((u_int32_t *) &comet->__res74);     /* 0x1D0 */
+        break;
+    case 17:
+        data = pci_read_32 ((u_int32_t *) &comet->__res75);     /* 0x1D4 */
+        break;
+    case 18:
+        data = pci_read_32 ((u_int32_t *) &comet->__res76);     /* 0x1D8 */
+        break;
+    case 19:
+        data = pci_read_32 ((u_int32_t *) &comet->__res77);     /* 0x1DC */
+        break;
+    }
+}
+
+
+/***  End-of-File  ***/
diff --git a/drivers/staging/cxt1e1/hwprobe.c b/drivers/staging/cxt1e1/hwprobe.c
new file mode 100644
index 00000000000..0f9d6539a9a
--- /dev/null
+++ b/drivers/staging/cxt1e1/hwprobe.c
@@ -0,0 +1,400 @@
+/* Copyright (C) 2007  One Stop Systems
+ * Copyright (C) 2003-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include <linux/netdevice.h>
+#include <linux/hdlc.h>
+#include <linux/if_arp.h>
+#include <asm/uaccess.h>
+#include <linux/rtnetlink.h>
+#include <linux/pci.h>
+#include "pmcc4_sysdep.h"
+#include "sbecom_inline_linux.h"
+#include "libsbew.h"
+#include "pmcc4_private.h"
+#include "pmcc4.h"
+#include "pmcc4_ioctls.h"
+#include "pmc93x6_eeprom.h"
+#ifdef CONFIG_PROC_FS
+#include "sbeproc.h"
+#endif
+
+#ifdef SBE_INCLUDE_SYMBOLS
+#define STATIC
+#else
+#define STATIC  static
+#endif
+
+extern int  log_level;
+extern int  error_flag;
+extern int  drvr_state;
+
+/* forward references */
+void        c4_stopwd (ci_t *);
+struct net_device * __init c4_add_dev (hdw_info_t *, int, unsigned long, unsigned long, int, int);
+
+
+struct s_hdw_info hdw_info[MAX_BOARDS];
+
+
+void        __init
+show_two (hdw_info_t * hi, int brdno)
+{
+    ci_t       *ci;
+    struct pci_dev *pdev;
+    char       *bid;
+    char       *bp, banner[80];
+    char        sn[6];
+
+    bp = banner;
+    memset (banner, 0, 80);         /* clear print buffer */
+
+    ci = (ci_t *)(netdev_priv(hi->ndev));
+    bid = sbeid_get_bdname (ci);
+    switch (hi->promfmt)
+    {
+    case PROM_FORMAT_TYPE1:
+        memcpy (sn, (FLD_TYPE1 *) (hi->mfg_info.pft1.Serial), 6);
+        break;
+    case PROM_FORMAT_TYPE2:
+        memcpy (sn, (FLD_TYPE2 *) (hi->mfg_info.pft2.Serial), 6);
+        break;
+    default:
+        memset (sn, 0, 6);
+        break;
+    }
+
+    sprintf (banner, "%s: %s  S/N %06X, MUSYCC Rev %02X",
+             hi->devname, bid,
+             ((sn[3] << 16) & 0xff0000) |
+              ((sn[4] << 8) & 0x00ff00) |
+              (sn[5] & 0x0000ff),
+             (u_int8_t) hi->revid[0]);
+
+    printk ("%s\n", banner);
+
+    pdev = hi->pdev[0];
+    printk ("%s: %s at v/p=%lx/%lx (%02x:%02x.%x) irq %d\n",
+            hi->devname, "MUSYCC",
+            (unsigned long) hi->addr_mapped[0], hi->addr[0],
+            hi->pci_busno, (u_int8_t) PCI_SLOT (pdev->devfn),
+            (u_int8_t) PCI_FUNC (pdev->devfn), pdev->irq);
+
+    pdev = hi->pdev[1];
+    printk ("%s: %s at v/p=%lx/%lx (%02x:%02x.%x) irq %d\n",
+            hi->devname, "EBUS  ",
+            (unsigned long) hi->addr_mapped[1], hi->addr[1],
+            hi->pci_busno, (u_int8_t) PCI_SLOT (pdev->devfn),
+            (u_int8_t) PCI_FUNC (pdev->devfn), pdev->irq);
+}
+
+
+void        __init
+hdw_sn_get (hdw_info_t * hi, int brdno)
+{
+    /* obtain hardware EEPROM information */
+    long        addr;
+
+    addr = (long) hi->addr_mapped[1] + EEPROM_OFFSET;
+
+    /* read EEPROM with largest known format size... */
+    pmc_eeprom_read_buffer (addr, 0, (char *) hi->mfg_info.data, sizeof (FLD_TYPE2));
+
+#if 0
+    {
+        unsigned char *ucp = (unsigned char *) &hi->mfg_info.data;
+
+        printk ("eeprom[00]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+                *(ucp + 0), *(ucp + 1), *(ucp + 2), *(ucp + 3), *(ucp + 4), *(ucp + 5), *(ucp + 6), *(ucp + 7));
+        printk ("eeprom[08]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+                *(ucp + 8), *(ucp + 9), *(ucp + 10), *(ucp + 11), *(ucp + 12), *(ucp + 13), *(ucp + 14), *(ucp + 15));
+        printk ("eeprom[16]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+                *(ucp + 16), *(ucp + 17), *(ucp + 18), *(ucp + 19), *(ucp + 20), *(ucp + 21), *(ucp + 22), *(ucp + 23));
+        printk ("eeprom[24]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+                *(ucp + 24), *(ucp + 25), *(ucp + 26), *(ucp + 27), *(ucp + 28), *(ucp + 29), *(ucp + 30), *(ucp + 31));
+        printk ("eeprom[32]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+                *(ucp + 32), *(ucp + 33), *(ucp + 34), *(ucp + 35), *(ucp + 36), *(ucp + 37), *(ucp + 38), *(ucp + 39));
+        printk ("eeprom[40]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+                *(ucp + 40), *(ucp + 41), *(ucp + 42), *(ucp + 43), *(ucp + 44), *(ucp + 45), *(ucp + 46), *(ucp + 47));
+    }
+#endif
+#if 0
+    printk ("sn: %x %x %x %x %x %x\n",
+            hi->mfg_info.Serial[0],
+            hi->mfg_info.Serial[1],
+            hi->mfg_info.Serial[2],
+            hi->mfg_info.Serial[3],
+            hi->mfg_info.Serial[4],
+            hi->mfg_info.Serial[5]);
+#endif
+
+    if ((hi->promfmt = pmc_verify_cksum (&hi->mfg_info.data)) == PROM_FORMAT_Unk)
+    {
+        /* bad crc, data is suspect */
+        if (log_level >= LOG_WARN)
+            printk ("%s: EEPROM cksum error\n", hi->devname);
+        hi->mfg_info_sts = EEPROM_CRCERR;
+    } else
+        hi->mfg_info_sts = EEPROM_OK;
+}
+
+
+void        __init
+prep_hdw_info (void)
+{
+    hdw_info_t *hi;
+    int         i;
+
+    for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
+    {
+        hi->pci_busno = 0xff;
+        hi->pci_slot = 0xff;
+        hi->pci_pin[0] = 0;
+        hi->pci_pin[1] = 0;
+        hi->ndev = 0;
+        hi->addr[0] = 0L;
+        hi->addr[1] = 0L;
+        hi->addr_mapped[0] = 0L;
+        hi->addr_mapped[1] = 0L;
+    }
+}
+
+void
+cleanup_ioremap (void)
+{
+    hdw_info_t *hi;
+    int         i;
+
+    for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
+    {
+        if (hi->pci_slot == 0xff)
+            break;
+        if (hi->addr_mapped[0])
+        {
+            iounmap ((void *) (hi->addr_mapped[0]));
+            release_mem_region ((long) hi->addr[0], hi->len[0]);
+            hi->addr_mapped[0] = 0;
+        }
+        if (hi->addr_mapped[1])
+        {
+            iounmap ((void *) (hi->addr_mapped[1]));
+            release_mem_region ((long) hi->addr[1], hi->len[1]);
+            hi->addr_mapped[1] = 0;
+        }
+    }
+}
+
+
+void
+cleanup_devs (void)
+{
+    hdw_info_t *hi;
+    int         i;
+
+    for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
+    {
+        if (hi->pci_slot == 0xff || !hi->ndev)
+            break;
+        c4_stopwd(netdev_priv(hi->ndev));
+#ifdef CONFIG_PROC_FS
+        sbecom_proc_brd_cleanup(netdev_priv(hi->ndev));
+#endif
+        unregister_netdev (hi->ndev);
+        free_irq (hi->pdev[0]->irq, hi->ndev);
+#ifdef CONFIG_SBE_PMCC4_NCOMM
+        free_irq (hi->pdev[1]->irq, hi->ndev);
+#endif
+        OS_kfree (hi->ndev);
+    }
+}
+
+
+STATIC int  __init
+c4_hdw_init (struct pci_dev * pdev, int found)
+{
+    hdw_info_t *hi;
+    int         i;
+    int         fun, slot;
+    unsigned char busno = 0xff;
+
+    /* our MUSYCC chip supports two functions, 0 & 1 */
+    if ((fun = PCI_FUNC (pdev->devfn)) > 1)
+    {
+        printk (KERN_WARNING "%s: unexpected devfun: 0x%x\n", THIS_MODULE->name, pdev->devfn);
+        return 0;
+    }
+    if (pdev->bus)                  /* obtain bus number */
+        busno = pdev->bus->number;
+    else
+        busno = 0;                  /* default for system PCI inconsistency */
+    slot = pdev->devfn & ~0x07;
+
+    /*
+     * Functions 0 & 1 for a given board (identified by same bus(busno) and
+     * slot(slot)) are placed into the same 'hardware' structure.  The first
+     * part of the board's functionality will be placed into an unpopulated
+     * element, identified by "slot==(0xff)".  The second part of a board's
+     * functionality will match the previously loaded slot/busno.
+     */
+    for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
+    {
+        /*
+         * match with board's first found interface, otherwise this is first
+         * found
+         */
+        if ((hi->pci_slot == 0xff) ||   /* new board */
+            ((hi->pci_slot == slot) && (hi->bus == pdev->bus)))
+            break;                  /* found for-loop exit */
+    }
+    if (i == MAX_BOARDS)            /* no match in above loop means MAX
+                                     * exceeded */
+    {
+        printk (KERN_WARNING "%s: exceeded number of allowed devices (>%d)?\n",
+                THIS_MODULE->name, MAX_BOARDS);
+        return 0;
+    }
+    if (pdev->bus)
+        hi->pci_busno = pdev->bus->number;
+    else
+        hi->pci_busno = 0;          /* default for system PCI inconsistency */
+    hi->pci_slot = slot;
+    pci_read_config_byte (pdev, PCI_INTERRUPT_PIN, &hi->pci_pin[fun]);
+    pci_read_config_byte (pdev, PCI_REVISION_ID, &hi->revid[fun]);
+    hi->bus = pdev->bus;
+    hi->addr[fun] = pci_resource_start (pdev, 0);
+    hi->len[fun] = pci_resource_end (pdev, 0) - hi->addr[fun] + 1;
+    hi->pdev[fun] = pdev;
+
+    {
+        /*
+         * create device name from module name, plus add the appropriate
+         * board number
+         */
+        char       *cp = hi->devname;
+
+        strcpy (cp, THIS_MODULE->name);
+        cp += strlen (cp);          /* reposition */
+        *cp++ = '-';
+        *cp++ = '0' + (found / 2);  /* there are two found interfaces per
+                                     * board */
+        *cp = 0;                    /* termination */
+    }
+
+    return 1;
+}
+
+
+status_t    __init
+c4hw_attach_all (void)
+{
+    hdw_info_t *hi;
+    struct pci_dev *pdev = NULL;
+    int         found = 0, i, j;
+
+    error_flag = 0;
+    prep_hdw_info ();
+    /*** scan PCI bus for all possible boards */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+    while ((pdev = pci_get_device (PCI_VENDOR_ID_CONEXANT,
+                                   PCI_DEVICE_ID_CN8474,
+                                   pdev)))
+#else
+    while ((pdev = pci_find_device (PCI_VENDOR_ID_CONEXANT,
+                                    PCI_DEVICE_ID_CN8474,
+                                    pdev)))
+#endif
+    {
+        if (c4_hdw_init (pdev, found))
+            found++;
+    }
+    if (!found)
+    {
+        printk (KERN_WARNING "%s: No boards found.\n", THIS_MODULE->name);
+        return ENODEV;
+    }
+    /* sanity check for consistant hardware found */
+    for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
+    {
+        if (hi->pci_slot != 0xff && (!hi->addr[0] || !hi->addr[1]))
+        {
+            printk (KERN_WARNING "%s: something very wrong with pci_get_device.\n", hi->devname);
+            return EIO;
+        }
+    }
+    /* bring board's memory regions on/line */
+    for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
+    {
+        if (hi->pci_slot == 0xff)
+            break;
+        for (j = 0; j < 2; j++)
+        {
+            if (request_mem_region (hi->addr[j], hi->len[j], hi->devname) == 0)
+            {
+                printk (KERN_WARNING "%s: memory in use, addr=0x%lx, len=0x%lx ?\n",
+                        hi->devname, hi->addr[j], hi->len[j]);
+                cleanup_ioremap ();
+                return ENOMEM;
+            }
+            hi->addr_mapped[j] = (unsigned long) ioremap (hi->addr[j], hi->len[j]);
+            if (!hi->addr_mapped[j])
+            {
+                printk (KERN_WARNING "%s: ioremap fails, addr=0x%lx, len=0x%lx ?\n",
+                        hi->devname, hi->addr[j], hi->len[j]);
+                cleanup_ioremap ();
+                return ENOMEM;
+            }
+#ifdef SBE_MAP_DEBUG
+            printk (KERN_WARNING "%s: io remapped from phys %x to virt %x\n",
+                    hi->devname, (u_int32_t) hi->addr[j], (u_int32_t) hi->addr_mapped[j]);
+#endif
+        }
+    }
+
+    drvr_state = SBE_DRVR_AVAILABLE;
+
+    /* Have now memory mapped all boards.  Now allow board's access to system */
+    for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
+    {
+        if (hi->pci_slot == 0xff)
+            break;
+        if (pci_enable_device (hi->pdev[0]) ||
+            pci_enable_device (hi->pdev[1]))
+        {
+            drvr_state = SBE_DRVR_DOWN;
+            printk (KERN_WARNING "%s: failed to enable card %d slot %d\n",
+                    hi->devname, i, hi->pci_slot);
+            cleanup_devs ();
+            cleanup_ioremap ();
+            return EIO;
+        }
+        pci_set_master (hi->pdev[0]);
+        pci_set_master (hi->pdev[1]);
+        if (!(hi->ndev = c4_add_dev (hi, i, (long) hi->addr_mapped[0],
+                                     (long) hi->addr_mapped[1],
+                                     hi->pdev[0]->irq,
+                                     hi->pdev[1]->irq)))
+        {
+            drvr_state = SBE_DRVR_DOWN;
+            cleanup_ioremap ();
+            /* NOTE: c4_add_dev() does its own device cleanup */
+#if 0
+            cleanup_devs ();
+#endif
+            return error_flag;      /* error_flag set w/in add_dev() */
+        }
+        show_two (hi, i);           /* displays found information */
+    }
+    return 0;
+}
+
+/***  End-of-File  ***/
diff --git a/drivers/staging/cxt1e1/libsbew.h b/drivers/staging/cxt1e1/libsbew.h
new file mode 100644
index 00000000000..5c99646cd10
--- /dev/null
+++ b/drivers/staging/cxt1e1/libsbew.h
@@ -0,0 +1,581 @@
+/*
+ * $Id: libsbew.h,v 2.1 2005/10/27 18:54:19 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_LIBSBEW_H_
+#define _INC_LIBSBEW_H_
+
+/*-----------------------------------------------------------------------------
+ * libsbew.h - common library elements, charge across mulitple boards
+ *
+ *   This file contains common Ioctl structures and contents definitions.
+ *
+ * Copyright (C) 2004-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 2.1 $
+ * Last changed on $Date: 2005/10/27 18:54:19 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: libsbew.h,v $
+ * Revision 2.1  2005/10/27 18:54:19  rickd
+ * Add E1PLAIN support.
+ *
+ * Revision 2.0  2005/09/28 00:10:08  rickd
+ * Customized for PMCC4 comet-per-port design.
+ *
+ * Revision 1.15  2005/03/29 00:51:31  rickd
+ * File imported from C1T3 port, Revision 1.15
+ *-----------------------------------------------------------------------------
+ */
+
+#ifndef __KERNEL__
+#include <sys/types.h>
+#endif
+
+#ifdef __cplusplus
+extern      "C"
+{
+#endif
+
+/********************************/
+/**  set driver logging level  **/
+/********************************/
+
+/* routine/ioctl: wancfg_set_loglevel() - SBE_IOC_SET_LOGLEVEL */
+
+#define LOG_NONE          0
+#define LOG_ERROR         1
+#define LOG_SBEBUG3       3     /* hidden, for development/debug usage */
+#define LOG_LSCHANGE      5     /* line state change logging */
+#define LOG_LSIMMEDIATE   6     /* line state change logging w/o hysterisis */
+#define LOG_WARN          8
+#define LOG_MONITOR      10
+#define LOG_SBEBUG12     12     /* hidden, for development/debug usage */
+#define LOG_MONITOR2     14     /* hidden, for development/debug usage */
+#define LOG_DEBUG        16
+
+    /* TEMPORARY DEFINES *//* RLD DEBUG */
+#define c4_LOG_NONE      LOG_NONE
+#define c4_LOG_ERROR     LOG_ERROR
+#define c4_LOG_WARN      LOG_WARN
+#define c4_LOG_sTrace    LOG_MONITOR    /* do some trace logging into
+                                         * functions */
+#define c4_LOG_DEBUG     LOG_DEBUG
+#define c4_LOG_MAX       LOG_DEBUG
+
+
+
+/******************************/
+/**  get driver information  **/
+/******************************/
+
+/* routine/ioctl: wancfg_get_drvinfo() - SBE_IOC_GET_DRVINFO */
+
+#define REL_STRLEN   80
+    struct sbe_drv_info
+    {
+        int         rel_strlen;
+        char        release[REL_STRLEN];
+    };
+
+
+/*****************************/
+/**  get board information  **/
+/*****************************/
+
+/* routine/ioctl: wancfg_get_brdinfo() - SBE_IOC_GET_BRDINFO */
+
+#define CHNM_STRLEN   16
+    struct sbe_brd_info
+    {
+        u_int32_t brd_id;       /* SBE's unique PCI VENDOR/DEVID */
+        u_int32_t   brd_sn;
+        int         brd_chan_cnt;       /* number of channels being used */
+        int         brd_port_cnt;       /* number of ports being used */
+        unsigned char brdno;    /* our board number */
+        unsigned char brd_pci_speed;    /* PCI speed, 33/66Mhz */
+                    u_int8_t brd_mac_addr[6];
+        char        first_iname[CHNM_STRLEN];   /* first assigned channel's
+                                                 * interface name */
+        char        last_iname[CHNM_STRLEN];    /* last assigned channel's
+                                                 * interface name */
+        u_int8_t    brd_hdw_id; /* on/board unique hdw ID */
+        u_int8_t    reserved8[3];       /* alignment preservation */
+        u_int32_t   reserved32[3];      /* size preservation */
+    };
+
+/* These IDs are sometimes available thru pci_ids.h, but not currently. */
+
+#define PCI_VENDOR_ID_SBE              0x1176
+#define PCI_DEVICE_ID_WANPMC_C4T1E1    0x0701   /* BID 0x0X, BTYP 0x0X */
+#define PCI_DEVICE_ID_WANPTMC_C4T1E1   0x0702   /* BID 0x41 */
+#define PCI_DEVICE_ID_WANADAPT_HC4T1E1 0x0703   /* BID 0x44 */
+#define PCI_DEVICE_ID_WANPTMC_256T3_T1 0x0704   /* BID 0x42 (T1 Version) */
+#define PCI_DEVICE_ID_WANPCI_C4T1E1    0x0705   /* BID 0x1X, BTYP 0x0X */
+#define PCI_DEVICE_ID_WANPMC_C1T3      0x0706   /* BID 0x45 */
+#define PCI_DEVICE_ID_WANPCI_C2T1E1    0x0707   /* BID 0x1X, BTYP 0x2X */
+#define PCI_DEVICE_ID_WANPCI_C1T1E1    0x0708   /* BID 0x1X, BTYP 0x1X */
+#define PCI_DEVICE_ID_WANPMC_C2T1E1    0x0709   /* BID 0x0X, BTYP 0x2X */
+#define PCI_DEVICE_ID_WANPMC_C1T1E1    0x070A   /* BID 0x0X, BTYP 0x1X */
+#define PCI_DEVICE_ID_WANPTMC_256T3_E1 0x070B   /* BID 0x46 (E1 Version) */
+#define PCI_DEVICE_ID_WANPTMC_C24TE1   0x070C   /* BID 0x47 */
+#define PCI_DEVICE_ID_WANPMC_C4T1E1_L  0x070D   /* BID 0x2X, BTYPE 0x0X w/FP
+                                                 * LEDs */
+#define PCI_DEVICE_ID_WANPMC_C2T1E1_L  0x070E   /* BID 0x2X, BTYPE 0x2X w/FP
+                                                 * LEDs */
+#define PCI_DEVICE_ID_WANPMC_C1T1E1_L  0x070F   /* BID 0x2X, BTYPE 0x1X w/FP
+                                                 * LEDs */
+#define PCI_DEVICE_ID_WANPMC_2SSI      0x0801
+#define PCI_DEVICE_ID_WANPCI_4SSI      0x0802
+#define PCI_DEVICE_ID_WANPMC_2T3E3     0x0900   /* BID 0x43 */
+#define SBE_BOARD_ID(v,id)           ((v<<16) | id)
+
+#define BINFO_PCI_SPEED_unk     0
+#define BINFO_PCI_SPEED_33      1
+#define BINFO_PCI_SPEED_66      2
+
+/***************************/
+/**  obtain interface ID  **/
+/***************************/
+
+/* routine/ioctl: wancfg_get_iid() - SBE_IOC_IID_GET */
+
+    struct sbe_iid_info
+    {
+        u_int32_t   channum;    /* channel requested */
+        char        iname[CHNM_STRLEN]; /* channel's interface name */
+    };
+
+/**************************************/
+/**  get board address information  **/
+/**************************************/
+
+/* routine/ioctl: wancfg_get_brdaddr() - SBE_IOC_BRDADDR_GET */
+
+    struct sbe_brd_addr
+    {
+        unsigned char func;     /* select PCI address space function */
+        unsigned char brdno;    /* returns brdno requested */
+        unsigned char irq;
+        unsigned char size;     /* returns size of address */
+#define BRDADDR_SIZE_64  1
+#define BRDADDR_SIZE_32  2
+        int         reserved1;  /* mod64 align, reserved for future use */
+
+        union
+        {
+            unsigned long virt64;       /* virtual/mapped address */
+            u_int32_t   virt32[2];
+        }           v;
+        union
+        {
+            unsigned long phys64;       /* physical bus address */
+            u_int32_t   phys32[2];
+        }           p;
+        int         reserved2[4];       /* reserved for future use */
+    };
+
+/**********************************/
+/**  read/write board registers  **/
+/**********************************/
+
+/* routine/ioctl: wancfg_read_vec() - SBE_IOC_READ_VEC */
+/* routine/ioctl: wancfg_write_vec() - SBE_IOC_WRITE_VEC */
+
+    struct sbecom_wrt_vec
+    {
+        u_int32_t   reg;
+        u_int32_t   data;
+    };
+
+#define C1T3_CHIP_MSCC_32        0x01000000
+#define C1T3_CHIP_TECT3_8        0x02000000
+#define C1T3_CHIP_CPLD_8         0x03000000
+#define C1T3_CHIP_EEPROM_8       0x04000000
+
+#define W256T3_CHIP_MUSYCC_32    0x02000000
+#define W256T3_CHIP_TEMUX_8      0x10000000
+#define W256T3_CHIP_T8110_8      0x20000000
+#define W256T3_CHIP_T8110_32     0x22000000
+#define W256T3_CHIP_CPLD_8       0x30000000
+#define W256T3_CHIP_EEPROM_8     0x40000000
+
+
+/**********************************/
+/**  read write port parameters  **/
+/**********************************/
+
+/* routine/ioctl: wancfg_getset_port_param() - SBE_IOC_PORT_GET */
+/* routine/ioctl: wancfg_set_port_param() - SBE_IOC_PORT_SET */
+
+/* NOTE: this structure supports hardware which supports individual per/port control */
+
+struct sbecom_port_param
+{
+    u_int8_t    portnum;
+    u_int8_t    port_mode;           /* variations of T1 or E1 mode */
+    u_int8_t    portStatus;
+    u_int8_t    portP;          /* more port parameters (clock source - 0x80;
+                                 * and LBO - 0xf; */
+                                /* bits 0x70 are reserved for future use ) */
+#ifdef SBE_PMCC4_ENABLE
+	u_int32_t   hypersize;  /* RLD DEBUG - add this in until I learn how to make this entry obsolete */
+#endif
+    int         reserved[3-1];    /* reserved for future use */
+    int    _res[4];
+};
+
+#define CFG_CLK_PORT_MASK      0x80     /* Loop timing */
+#define CFG_CLK_PORT_INTERNAL  0x80     /* Loop timing */
+#define CFG_CLK_PORT_EXTERNAL  0x00     /* Loop timing */
+
+#define CFG_LBO_MASK      0x0F
+#define CFG_LBO_unk       0     /* <not defined> */
+#define CFG_LBO_LH0       1     /* T1 Long Haul (default) */
+#define CFG_LBO_LH7_5     2     /* T1 Long Haul */
+#define CFG_LBO_LH15      3     /* T1 Long Haul */
+#define CFG_LBO_LH22_5    4     /* T1 Long Haul */
+#define CFG_LBO_SH110     5     /* T1 Short Haul */
+#define CFG_LBO_SH220     6     /* T1 Short Haul */
+#define CFG_LBO_SH330     7     /* T1 Short Haul */
+#define CFG_LBO_SH440     8     /* T1 Short Haul */
+#define CFG_LBO_SH550     9     /* T1 Short Haul */
+#define CFG_LBO_SH660     10    /* T1 Short Haul */
+#define CFG_LBO_E75       11    /* E1 75 Ohm */
+#define CFG_LBO_E120      12    /* E1 120 Ohm (default) */
+
+
+/*************************************/
+/**  read write channel parameters  **/
+/*************************************/
+
+/* routine/ioctl: wancfg_getset_chan_param() - SBE_IOC_CHAN_GET */
+/* routine/ioctl: wancfg_set_chan_param() - SBE_IOC_CHAN_SET */
+
+/* NOTE: this structure supports hardware which supports individual per/channel control */
+
+    struct sbecom_chan_param
+    {
+        u_int32_t   channum;    /* 0: */
+#ifdef SBE_PMCC4_ENABLE
+	u_int32_t   card;  /* RLD DEBUG - add this in until I learn how to make this entry obsolete */
+	u_int32_t   port;  /* RLD DEBUG - add this in until I learn how to make this entry obsolete */
+	u_int8_t bitmask[32];
+#endif
+        u_int32_t   intr_mask;  /* 4: interrupt mask, specify ored
+                                 * (SS7_)INTR_* to disable */
+        u_int8_t    status;     /* 8: channel transceiver status (TX_ENABLED,
+                                 * RX_ENABLED) */
+        u_int8_t    chan_mode;  /* 9: protocol mode */
+        u_int8_t    idlecode;   /* A: idle code, in (FLAG_7E, FLAG_FF,
+                                 * FLAG_00) */
+        u_int8_t    pad_fill_count;     /* B: pad fill count (1-127), 0 - pad
+                                         * fill disabled */
+        u_int8_t    data_inv;   /* C: channel data inversion selection */
+        u_int8_t    mode_56k;   /* D: 56kbps mode */
+        u_int8_t    reserved[2 + 8];    /* E: */
+    };
+
+/* SS7 interrupt signals <intr_mask> */
+#define SS7_INTR_SFILT      0x00000020
+#define SS7_INTR_SDEC       0x00000040
+#define SS7_INTR_SINC       0x00000080
+#define SS7_INTR_SUERR      0x00000100
+/* Other interrupts that can be masked */
+#define INTR_BUFF           0x00000002
+#define INTR_EOM            0x00000004
+#define INTR_MSG            0x00000008
+#define INTR_IDLE           0x00000010
+
+/* transceiver status flags <status> */
+#define TX_ENABLED          0x01
+#define RX_ENABLED          0x02
+
+/* Protocol modes <mode> */
+#define CFG_CH_PROTO_TRANS         0
+#define CFG_CH_PROTO_SS7           1
+#define CFG_CH_PROTO_HDLC_FCS16    2
+#define CFG_CH_PROTO_HDLC_FCS32    3
+#define CFG_CH_PROTO_ISLP_MODE     4
+
+/* Possible idle code assignments <idlecode> */
+#define CFG_CH_FLAG_7E      0
+#define CFG_CH_FLAG_FF      1
+#define CFG_CH_FLAG_00      2
+
+/* data inversion selection <data_inv> */
+#define CFG_CH_DINV_NONE    0x00
+#define CFG_CH_DINV_RX      0x01
+#define CFG_CH_DINV_TX      0x02
+
+
+/* Posssible resettable chipsets/functions */
+#define RESET_DEV_TEMUX     1
+#define RESET_DEV_TECT3     RESET_DEV_TEMUX
+#define RESET_DEV_PLL       2
+
+
+/*********************************************/
+/**  read reset channel thruput statistics  **/
+/*********************************************/
+
+/* routine/ioctl: wancfg_get_chan_stats() - SBE_IOC_CHAN_GET_STAT */
+/* routine/ioctl: wancfg_del_chan_stats() - SBE_IOC_CHAN_DEL_STAT */
+/* routine/ioctl: wancfg_get_card_chan_stats() - SBE_IOC_CARD_CHAN_STAT */
+
+    struct sbecom_chan_stats
+    {
+        unsigned long rx_packets;       /* total packets received       */
+        unsigned long tx_packets;       /* total packets transmitted    */
+        unsigned long rx_bytes; /* total bytes received         */
+        unsigned long tx_bytes; /* total bytes transmitted      */
+        unsigned long rx_errors;/* bad packets received         */
+        unsigned long tx_errors;/* packet transmit problems     */
+        unsigned long rx_dropped;       /* no space in linux buffers    */
+        unsigned long tx_dropped;       /* no space available in linux  */
+
+        /* detailed rx_errors: */
+        unsigned long rx_length_errors;
+        unsigned long rx_over_errors;   /* receiver ring buff overflow  */
+        unsigned long rx_crc_errors;    /* recved pkt with crc error    */
+        unsigned long rx_frame_errors;  /* recv'd frame alignment error */
+        unsigned long rx_fifo_errors;   /* recv'r fifo overrun          */
+        unsigned long rx_missed_errors; /* receiver missed packet       */
+
+        /* detailed tx_errors */
+        unsigned long tx_aborted_errors;
+        unsigned long tx_fifo_errors;
+        unsigned long tx_pending;
+    };
+
+
+/****************************************/
+/**  read write card level parameters  **/
+/****************************************/
+
+ /* NOTE: this structure supports hardware which supports per/card control */
+
+    struct sbecom_card_param
+    {
+        u_int8_t    framing_type;       /* 0: CBP or M13 */
+        u_int8_t    loopback;   /* 1: one of LOOPBACK_* */
+        u_int8_t    line_build_out;     /* 2: boolean */
+        u_int8_t    receive_eq; /* 3: boolean */
+        u_int8_t    transmit_ones;      /* 4: boolean */
+        u_int8_t    clock;      /* 5: 0 - internal, i>0 - external (recovered
+                                 * from framer i) */
+        u_int8_t    h110enable; /* 6: */
+        u_int8_t    disable_leds;       /* 7: */
+        u_int8_t    reserved1;  /* 8: available - old 256t3 hypersized, but
+                                 * never used */
+        u_int8_t    rear_io;    /* 9: rear I/O off/on */
+        u_int8_t    disable_tx; /* A: disable TX off/on */
+        u_int8_t    mute_los;   /* B: mute LOS off/on */
+        u_int8_t    los_threshold;      /* C: LOS threshold norm/low
+                                         * (default: norm) */
+        u_int8_t    ds1_mode;   /* D: DS1 mode T1/E1 (default: T1) */
+        u_int8_t    ds3_unchan; /* E: DS3 unchannelized mode off/on */
+        u_int8_t    reserved[1 + 16];   /* reserved for expansion - must be
+                                         * ZERO filled */
+    };
+
+/* framing types <framing_type> */
+#define FRAMING_M13                0
+#define FRAMING_CBP                1
+
+/* card level loopback options <loopback> */
+#define CFG_CARD_LOOPBACK_NONE     0x00
+#define CFG_CARD_LOOPBACK_DIAG     0x01
+#define CFG_CARD_LOOPBACK_LINE     0x02
+#define CFG_CARD_LOOPBACK_PAYLOAD  0x03
+
+/* line level loopback options <loopback> */
+#define CFG_LIU_LOOPBACK_NONE      0x00
+#define CFG_LIU_LOOPBACK_ANALOG    0x10
+#define CFG_LIU_LOOPBACK_DIGITAL   0x11
+#define CFG_LIU_LOOPBACK_REMOTE    0x12
+
+/* card level clock options <clock> */
+#define CFG_CLK_INTERNAL           0x00
+#define CFG_CLK_EXTERNAL           0x01
+
+/* legacy 256T3 loopback values */
+#define LOOPBACK_NONE              0
+#define LOOPBACK_LIU_ANALOG        1
+#define LOOPBACK_LIU_DIGITAL       2
+#define LOOPBACK_FRAMER_DS3        3
+#define LOOPBACK_FRAMER_T1         4
+#define LOOPBACK_LIU_REMOTE        5
+
+/* DS1 mode <ds1_mode> */
+#define CFG_DS1_MODE_MASK          0x0f
+#define CFG_DS1_MODE_T1            0x00
+#define CFG_DS1_MODE_E1            0x01
+#define CFG_DS1_MODE_CHANGE        0x80
+
+/* DS3 unchannelized values <ds1_unchan> */
+#define CFG_DS3_UNCHAN_MASK        0x01
+#define CFG_DS3_UNCHAN_OFF         0x00
+#define CFG_DS3_UNCHAN_ON          0x01
+
+
+/************************************/
+/**  read write framer parameters  **/
+/************************************/
+
+/* routine/ioctl: wancfg_get_framer() - SBE_IOC_FRAMER_GET */
+/* routine/ioctl: wancfg_set_framer() - SBE_IOC_FRAMER_SET */
+
+    struct sbecom_framer_param
+    {
+        u_int8_t    framer_num;
+        u_int8_t    frame_type; /* SF, ESF, E1PLAIN, E1CAS, E1CRC, E1CRC+CAS */
+        u_int8_t    loopback_type;      /* DIGITAL, LINE, PAYLOAD */
+        u_int8_t    auto_alarms;/* auto alarms */
+        u_int8_t    reserved[12];       /* reserved for expansion - must be
+                                         * ZERO filled */
+    };
+
+/* frame types <frame_type> */
+#define CFG_FRAME_NONE             0
+#define CFG_FRAME_SF               1    /* T1 B8ZS */
+#define CFG_FRAME_ESF              2    /* T1 B8ZS */
+#define CFG_FRAME_E1PLAIN          3    /* HDB3 w/o CAS,CRC */
+#define CFG_FRAME_E1CAS            4    /* HDB3 */
+#define CFG_FRAME_E1CRC            5    /* HDB3 */
+#define CFG_FRAME_E1CRC_CAS        6    /* HDB3 */
+#define CFG_FRAME_SF_AMI           7    /* T1 AMI */
+#define CFG_FRAME_ESF_AMI          8    /* T1 AMI */
+#define CFG_FRAME_E1PLAIN_AMI      9    /* E1 AMI w/o CAS,CRC */
+#define CFG_FRAME_E1CAS_AMI       10    /* E1 AMI */
+#define CFG_FRAME_E1CRC_AMI       11    /* E1 AMI */
+#define CFG_FRAME_E1CRC_CAS_AMI   12    /* E1 AMI */
+
+#define IS_FRAME_ANY_T1(field) \
+                    (((field) == CFG_FRAME_NONE) || \
+                     ((field) == CFG_FRAME_SF)   || \
+                     ((field) == CFG_FRAME_ESF)  || \
+                     ((field) == CFG_FRAME_SF_AMI) || \
+                     ((field) == CFG_FRAME_ESF_AMI))
+
+#define IS_FRAME_ANY_T1ESF(field) \
+                    (((field) == CFG_FRAME_ESF) || \
+                     ((field) == CFG_FRAME_ESF_AMI))
+
+#define IS_FRAME_ANY_E1(field) \
+                    (((field) == CFG_FRAME_E1PLAIN) || \
+                     ((field) == CFG_FRAME_E1CAS)   || \
+                     ((field) == CFG_FRAME_E1CRC)   || \
+                     ((field) == CFG_FRAME_E1CRC_CAS) || \
+                     ((field) == CFG_FRAME_E1PLAIN_AMI) || \
+                     ((field) == CFG_FRAME_E1CAS_AMI) || \
+                     ((field) == CFG_FRAME_E1CRC_AMI) || \
+                     ((field) == CFG_FRAME_E1CRC_CAS_AMI))
+
+#define IS_FRAME_ANY_AMI(field) \
+                    (((field) == CFG_FRAME_SF_AMI) || \
+                     ((field) == CFG_FRAME_ESF_AMI) || \
+                     ((field) == CFG_FRAME_E1PLAIN_AMI) || \
+                     ((field) == CFG_FRAME_E1CAS_AMI) || \
+                     ((field) == CFG_FRAME_E1CRC_AMI) || \
+                     ((field) == CFG_FRAME_E1CRC_CAS_AMI))
+
+/* frame level loopback options <loopback_type> */
+#define CFG_FRMR_LOOPBACK_NONE     0
+#define CFG_FRMR_LOOPBACK_DIAG     1
+#define CFG_FRMR_LOOPBACK_LINE     2
+#define CFG_FRMR_LOOPBACK_PAYLOAD  3
+
+
+/****************************************/
+/**  read reset card error statistics  **/
+/****************************************/
+
+/* routine/ioctl: wancfg_get_card_stats() - SBE_IOC_CARD_GET_STAT */
+/* routine/ioctl: wancfg_del_card_stats() - SBE_IOC_CARD_DEL_STAT */
+
+    struct temux_card_stats
+    {
+        struct temux_stats
+        {
+            /* TEMUX DS3 PMON counters */
+            u_int32_t   lcv;
+            u_int32_t   err_framing;
+            u_int32_t   febe;
+            u_int32_t   err_cpbit;
+            u_int32_t   err_parity;
+            /* TEMUX DS3 FRMR status */
+            u_int8_t    los;
+            u_int8_t    oof;
+            u_int8_t    red;
+            u_int8_t    yellow;
+            u_int8_t    idle;
+            u_int8_t    ais;
+            u_int8_t    cbit;
+            /* TEMUX DS3 FEAC receiver */
+            u_int8_t    feac;
+            u_int8_t    feac_last;
+        }           t;
+        u_int32_t   tx_pending; /* total */
+    };
+
+/**************************************************************/
+
+    struct wancfg
+    {
+        int         cs, ds;
+        char       *p;
+    };
+    typedef struct wancfg wcfg_t;
+
+    extern wcfg_t *wancfg_init (char *, char *);
+    extern int  wancfg_card_blink (wcfg_t *, int);
+    extern int  wancfg_ctl (wcfg_t *, int, void *, int, void *, int);
+    extern int  wancfg_del_card_stats (wcfg_t *);
+    extern int  wancfg_del_chan_stats (wcfg_t *, int);
+    extern int  wancfg_enable_ports (wcfg_t *, int);
+    extern int  wancfg_free (wcfg_t *);
+    extern int  wancfg_get_brdaddr (wcfg_t *, struct sbe_brd_addr *);
+    extern int  wancfg_get_brdinfo (wcfg_t *, struct sbe_brd_info *);
+    extern int  wancfg_get_card (wcfg_t *, struct sbecom_card_param *);
+    extern int  wancfg_get_card_chan_stats (wcfg_t *, struct sbecom_chan_stats *);
+    extern int  wancfg_get_card_sn (wcfg_t *);
+    extern int  wancfg_get_card_stats (wcfg_t *, struct temux_card_stats *);
+    extern int  wancfg_get_chan (wcfg_t *, int, struct sbecom_chan_param *);
+    extern int  wancfg_get_chan_stats (wcfg_t *, int, struct sbecom_chan_stats *);
+    extern int  wancfg_get_drvinfo (wcfg_t *, int, struct sbe_drv_info *);
+    extern int  wancfg_get_framer (wcfg_t *, int, struct sbecom_framer_param *);
+    extern int  wancfg_get_iid (wcfg_t *, int, struct sbe_iid_info *);
+    extern int  wancfg_get_sn (wcfg_t *, unsigned int *);
+    extern int  wancfg_read (wcfg_t *, int, struct sbecom_wrt_vec *);
+    extern int  wancfg_reset_device (wcfg_t *, int);
+    extern int  wancfg_set_card (wcfg_t *, struct sbecom_card_param *);
+    extern int  wancfg_set_chan (wcfg_t *, int, struct sbecom_chan_param *);
+    extern int  wancfg_set_framer (wcfg_t *, int, struct sbecom_framer_param *);
+    extern int  wancfg_set_loglevel (wcfg_t *, uint);
+    extern int  wancfg_write (wcfg_t *, int, struct sbecom_wrt_vec *);
+
+#ifdef NOT_YET_COMMON
+    extern int  wancfg_get_tsioc (wcfg_t *, struct wanc1t3_ts_hdr *, struct wanc1t3_ts_param *);
+    extern int  wancfg_set_tsioc (wcfg_t *, struct wanc1t3_ts_param *);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif                          /*** _INC_LIBSBEW_H_ ***/
diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c
new file mode 100644
index 00000000000..23e184da972
--- /dev/null
+++ b/drivers/staging/cxt1e1/linux.c
@@ -0,0 +1,1354 @@
+/* Copyright (C) 2007-2008  One Stop Systems
+ * Copyright (C) 2003-2006  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/hdlc.h>
+#include <linux/if_arp.h>
+#include <linux/init.h>
+#include <asm/uaccess.h>
+#include <linux/rtnetlink.h>
+#include <linux/skbuff.h>
+#include "pmcc4_sysdep.h"
+#include "sbecom_inline_linux.h"
+#include "libsbew.h"
+#include "pmcc4.h"
+#include "pmcc4_ioctls.h"
+#include "pmcc4_private.h"
+#include "sbeproc.h"
+
+/*****************************************************************************************
+ * Error out early if we have compiler trouble.
+ *
+ *   (This section is included from the kernel's init/main.c as a friendly
+ *   spiderman recommendation...)
+ *
+ * Versions of gcc older than that listed below may actually compile and link
+ * okay, but the end product can have subtle run time bugs.  To avoid associated
+ * bogus bug reports, we flatly refuse to compile with a gcc that is known to be
+ * too old from the very beginning.
+ */
+#if (__GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 2)
+#error Sorry, your GCC is too old. It builds incorrect kernels.
+#endif
+
+#if __GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ == 0
+#warning gcc-4.1.0 is known to miscompile the kernel.  A different compiler version is recommended.
+#endif
+
+/*****************************************************************************************/
+
+#ifdef SBE_INCLUDE_SYMBOLS
+#define STATIC
+#else
+#define STATIC  static
+#endif
+
+#define CHANNAME "hdlc"
+
+/*******************************************************************/
+/* forward references */
+status_t    c4_chan_work_init (mpi_t *, mch_t *);
+void        musycc_wq_chan_restart (void *);
+status_t __init c4_init (ci_t *, u_char *, u_char *);
+status_t __init c4_init2 (ci_t *);
+ci_t       *__init c4_new (void *);
+int __init  c4hw_attach_all (void);
+void __init hdw_sn_get (hdw_info_t *, int);
+
+#ifdef CONFIG_SBE_PMCC4_NCOMM
+irqreturn_t c4_ebus_intr_th_handler (void *);
+
+#endif
+int         c4_frame_rw (ci_t *, struct sbecom_port_param *);
+status_t    c4_get_port (ci_t *, int);
+int         c4_loop_port (ci_t *, int, u_int8_t);
+int         c4_musycc_rw (ci_t *, struct c4_musycc_param *);
+int         c4_new_chan (ci_t *, int, int, void *);
+status_t    c4_set_port (ci_t *, int);
+int         c4_pld_rw (ci_t *, struct sbecom_port_param *);
+void        cleanup_devs (void);
+void        cleanup_ioremap (void);
+status_t    musycc_chan_down (ci_t *, int);
+irqreturn_t musycc_intr_th_handler (void *);
+int         musycc_start_xmit (ci_t *, int, void *);
+
+extern char pmcc4_OSSI_release[];
+extern ci_t *CI;
+extern struct s_hdw_info hdw_info[];
+
+#if defined(CONFIG_SBE_HDLC_V7) || defined(CONFIG_SBE_WAN256T3_HDLC_V7) || \
+    defined(CONFIG_SBE_HDLC_V7_MODULE) || defined(CONFIG_SBE_WAN256T3_HDLC_V7_MODULE)
+#define _v7_hdlc_  1
+#else
+#define _v7_hdlc_  0
+#endif
+
+#if _v7_hdlc_
+#define V7(x) (x ## _v7)
+extern int  hdlc_netif_rx_v7 (hdlc_device *, struct sk_buff *);
+extern int  register_hdlc_device_v7 (hdlc_device *);
+extern int  unregister_hdlc_device_v7 (hdlc_device *);
+
+#else
+#define V7(x) x
+#endif
+
+int         error_flag;         /* module load error reporting */
+int         log_level = LOG_ERROR;
+int         log_level_default = LOG_ERROR;
+module_param(log_level, int, 0444);
+
+int         max_mru = MUSYCC_MRU;
+int         max_mru_default = MUSYCC_MRU;
+module_param(max_mru, int, 0444);
+
+int         max_mtu = MUSYCC_MTU;
+int         max_mtu_default = MUSYCC_MTU;
+module_param(max_mtu, int, 0444);
+
+int         max_txdesc_used = MUSYCC_TXDESC_MIN;
+int         max_txdesc_default = MUSYCC_TXDESC_MIN;
+module_param(max_txdesc_used, int, 0444);
+
+int         max_rxdesc_used = MUSYCC_RXDESC_MIN;
+int         max_rxdesc_default = MUSYCC_RXDESC_MIN;
+module_param(max_rxdesc_used, int, 0444);
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+void       *
+getuserbychan (int channum)
+{
+    mch_t      *ch;
+
+    ch = c4_find_chan (channum);
+    return ch ? ch->user : 0;
+}
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#define DEV_TO_PRIV(dev) ( * (struct c4_priv **) ((hdlc_device*)(dev)+1))
+#else
+
+char       *
+get_hdlc_name (hdlc_device * hdlc)
+{
+    struct c4_priv *priv = hdlc->priv;
+    struct net_device *dev = getuserbychan (priv->channum);
+
+    return dev->name;
+}
+#endif
+
+
+static      status_t
+mkret (int bsd)
+{
+    if (bsd > 0)
+        return -bsd;
+    else
+        return bsd;
+}
+
+/***************************************************************************/
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
+#include <linux/workqueue.h>
+
+/***
+ * One workqueue (wq) per port (since musycc allows simultaneous group
+ * commands), with individual data for each channel:
+ *
+ *   mpi_t -> struct workqueue_struct *wq_port;  (dynamically allocated using
+ *                                               create_workqueue())
+ *
+ * With work structure (work) statically allocated for each channel:
+ *
+ *   mch_t -> struct work_struct ch_work;  (statically allocated using ???)
+ *
+ ***/
+
+
+/*
+ * Called by the start transmit routine when a channel TX_ENABLE is to be
+ * issued.  This queues the transmission start request among other channels
+ * within a port's group.
+ */
+void
+c4_wk_chan_restart (mch_t * ch)
+{
+    mpi_t      *pi = ch->up;
+
+#ifdef RLD_RESTART_DEBUG
+    printk (">> c4_wk_chan_restart: queueing Port %d Chan %d, mch_t @ %p\n", pi->portnum, ch->channum, ch);
+#endif
+
+    /* create new entry w/in workqueue for this channel and let'er rip */
+
+    /** queue_work (struct workqueue_struct *queue,
+     **             struct work_struct *work);
+     **/
+    queue_work (pi->wq_port, &ch->ch_work);
+}
+
+status_t
+c4_wk_chan_init (mpi_t * pi, mch_t * ch)
+{
+    /*
+     * this will be used to restart a stopped channel
+     */
+
+    /** INIT_WORK (struct work_struct *work,
+     **            void (*function)(void *),
+     **            void *data);
+     **/
+    INIT_WORK(&ch->ch_work, (void *)musycc_wq_chan_restart);
+    return 0;                       /* success */
+}
+
+status_t
+c4_wq_port_init (mpi_t * pi)
+{
+
+    char        name[16], *np;  /* NOTE: name of the queue limited by system
+                                 * to 10 characters */
+
+    if (pi->wq_port)
+        return 0;                   /* already initialized */
+
+    np = name;
+    memset (name, 0, 16);
+    sprintf (np, "%s%d", pi->up->devname, pi->portnum); /* IE pmcc4-01) */
+
+#ifdef RLD_RESTART_DEBUG
+    printk (">> c4_wq_port_init: creating workqueue <%s> for Port %d.\n", name, pi->portnum); /* RLD DEBUG */
+#endif
+    if (!(pi->wq_port = create_singlethread_workqueue (name)))
+        return ENOMEM;
+    return 0;                       /* success */
+}
+
+void
+c4_wq_port_cleanup (mpi_t * pi)
+{
+    /*
+     * PORT POINT: cannot call this if WQ is statically allocated w/in
+     * structure since it calls kfree(wq);
+     */
+    if (pi->wq_port)
+    {
+        destroy_workqueue (pi->wq_port);        /* this also calls
+                                                 * flush_workqueue() */
+        pi->wq_port = 0;
+    }
+}
+#endif
+
+/***************************************************************************/
+
+irqreturn_t
+c4_linux_interrupt (int irq, void *dev_instance)
+{
+    struct net_device *ndev = dev_instance;
+
+    return musycc_intr_th_handler(netdev_priv(ndev));
+}
+
+
+#ifdef CONFIG_SBE_PMCC4_NCOMM
+irqreturn_t
+c4_ebus_interrupt (int irq, void *dev_instance)
+{
+    struct net_device *ndev = dev_instance;
+
+    return c4_ebus_intr_th_handler(netdev_priv(ndev));
+}
+#endif
+
+
+static int
+void_open (struct net_device * ndev)
+{
+    printk ("%s: trying to open master device !\n", ndev->name);
+    return -1;
+}
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#if !defined(GENERIC_HDLC_VERSION) || (GENERIC_HDLC_VERSION < 4)
+
+/** Linux 2.4.18-19 **/
+STATIC int
+chan_open (hdlc_device * hdlc)
+{
+    status_t    ret;
+
+    if ((ret = c4_chan_up (DEV_TO_PRIV (hdlc)->ci, DEV_TO_PRIV (hdlc)->channum)))
+        return -ret;
+    MOD_INC_USE_COUNT;
+    netif_start_queue (hdlc_to_dev (hdlc));
+    return 0;                       /* no error = success */
+}
+
+#else
+
+/** Linux 2.4.20 and higher **/
+STATIC int
+chan_open (struct net_device * ndev)
+{
+    hdlc_device *hdlc = dev_to_hdlc (ndev);
+    status_t    ret;
+
+    hdlc->proto = IF_PROTO_HDLC;
+    if ((ret = hdlc_open (hdlc)))
+    {
+        printk ("%s: hdlc_open failure, err %d.\n", THIS_MODULE->name, ret);
+        return ret;
+    }
+    if ((ret = c4_chan_up (DEV_TO_PRIV (hdlc)->ci, DEV_TO_PRIV (hdlc)->channum)))
+        return -ret;
+    MOD_INC_USE_COUNT;
+    netif_start_queue (hdlc_to_dev (hdlc));
+    return 0;                       /* no error = success */
+}
+#endif
+
+#else
+
+/** Linux 2.6 **/
+STATIC int
+chan_open (struct net_device * ndev)
+{
+    hdlc_device *hdlc = dev_to_hdlc (ndev);
+    const struct c4_priv *priv = hdlc->priv;
+    int         ret;
+
+    if ((ret = hdlc_open (ndev)))
+    {
+        printk ("%s: hdlc_open failure, err %d.\n", THIS_MODULE->name, ret);
+        return ret;
+    }
+    if ((ret = c4_chan_up (priv->ci, priv->channum)))
+        return -ret;
+    try_module_get (THIS_MODULE);
+    netif_start_queue (ndev);
+    return 0;                       /* no error = success */
+}
+#endif
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#if !defined(GENERIC_HDLC_VERSION) || (GENERIC_HDLC_VERSION < 4)
+
+/** Linux 2.4.18-19 **/
+STATIC void
+chan_close (hdlc_device * hdlc)
+{
+    netif_stop_queue (hdlc_to_dev (hdlc));
+    musycc_chan_down ((ci_t *) 0, DEV_TO_PRIV (hdlc)->channum);
+    MOD_DEC_USE_COUNT;
+}
+#else
+
+/** Linux 2.4.20 and higher **/
+STATIC int
+chan_close (struct net_device * ndev)
+{
+    hdlc_device *hdlc = dev_to_hdlc (ndev);
+
+    netif_stop_queue (hdlc_to_dev (hdlc));
+    musycc_chan_down ((ci_t *) 0, DEV_TO_PRIV (hdlc)->channum);
+    hdlc_close (hdlc);
+    MOD_DEC_USE_COUNT;
+    return 0;
+}
+#endif
+
+#else
+
+/** Linux 2.6 **/
+STATIC int
+chan_close (struct net_device * ndev)
+{
+    hdlc_device *hdlc = dev_to_hdlc (ndev);
+    const struct c4_priv *priv = hdlc->priv;
+
+    netif_stop_queue (ndev);
+    musycc_chan_down ((ci_t *) 0, priv->channum);
+    hdlc_close (ndev);
+    module_put (THIS_MODULE);
+    return 0;
+}
+#endif
+
+
+#if !defined(GENERIC_HDLC_VERSION) || (GENERIC_HDLC_VERSION < 4)
+
+/** Linux 2.4.18-19 **/
+STATIC int
+chan_ioctl (hdlc_device * hdlc, struct ifreq * ifr, int cmd)
+{
+    if (cmd == HDLCSCLOCK)
+    {
+        ifr->ifr_ifru.ifru_ivalue = LINE_DEFAULT;
+        return 0;
+    }
+    return -EINVAL;
+}
+#endif
+
+
+#if !defined(GENERIC_HDLC_VERSION) || (GENERIC_HDLC_VERSION < 4)
+STATIC int
+chan_dev_ioctl (struct net_device * hdlc, struct ifreq * ifr, int cmd)
+{
+    if (cmd == HDLCSCLOCK)
+    {
+        ifr->ifr_ifru.ifru_ivalue = LINE_DEFAULT;
+        return 0;
+    }
+    return -EINVAL;
+}
+#else
+STATIC int
+chan_dev_ioctl (struct net_device * dev, struct ifreq * ifr, int cmd)
+{
+    return hdlc_ioctl (dev, ifr, cmd);
+}
+
+
+STATIC int
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+chan_attach_noop (hdlc_device * hdlc, unsigned short foo_1, unsigned short foo_2)
+#else
+chan_attach_noop (struct net_device * ndev, unsigned short foo_1, unsigned short foo_2)
+#endif
+{
+    return 0;                   /* our driver has nothing to do here, show's
+                                 * over, go home */
+}
+#endif
+
+
+STATIC struct net_device_stats *
+chan_get_stats (struct net_device * ndev)
+{
+    mch_t      *ch;
+    struct net_device_stats *nstats;
+    struct sbecom_chan_stats *stats;
+    int         channum;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+    channum = DEV_TO_PRIV (ndev)->channum;
+#else
+    {
+        struct c4_priv *priv;
+
+        priv = (struct c4_priv *) dev_to_hdlc (ndev)->priv;
+        channum = priv->channum;
+    }
+#endif
+
+    ch = c4_find_chan (channum);
+    if (ch == NULL)
+        return NULL;
+
+    nstats = &ndev->stats;
+    stats = &ch->s;
+
+    memset (nstats, 0, sizeof (struct net_device_stats));
+    nstats->rx_packets = stats->rx_packets;
+    nstats->tx_packets = stats->tx_packets;
+    nstats->rx_bytes = stats->rx_bytes;
+    nstats->tx_bytes = stats->tx_bytes;
+    nstats->rx_errors = stats->rx_length_errors +
+        stats->rx_over_errors +
+        stats->rx_crc_errors +
+        stats->rx_frame_errors +
+        stats->rx_fifo_errors +
+        stats->rx_missed_errors;
+    nstats->tx_errors = stats->tx_dropped +
+        stats->tx_aborted_errors +
+        stats->tx_fifo_errors;
+    nstats->rx_dropped = stats->rx_dropped;
+    nstats->tx_dropped = stats->tx_dropped;
+
+    nstats->rx_length_errors = stats->rx_length_errors;
+    nstats->rx_over_errors = stats->rx_over_errors;
+    nstats->rx_crc_errors = stats->rx_crc_errors;
+    nstats->rx_frame_errors = stats->rx_frame_errors;
+    nstats->rx_fifo_errors = stats->rx_fifo_errors;
+    nstats->rx_missed_errors = stats->rx_missed_errors;
+
+    nstats->tx_aborted_errors = stats->tx_aborted_errors;
+    nstats->tx_fifo_errors = stats->tx_fifo_errors;
+
+    return nstats;
+}
+
+
+static ci_t *
+get_ci_by_dev (struct net_device * ndev)
+{
+    return (ci_t *)(netdev_priv(ndev));
+}
+
+
+#if !defined(GENERIC_HDLC_VERSION) || (GENERIC_HDLC_VERSION < 4)
+STATIC int
+c4_linux_xmit (hdlc_device * hdlc, struct sk_buff * skb)
+{
+    int         rval;
+
+    rval = musycc_start_xmit (DEV_TO_PRIV (hdlc)->ci, DEV_TO_PRIV (hdlc)->channum, skb);
+    return -rval;
+}
+#else                           /* new */
+STATIC int
+c4_linux_xmit (struct sk_buff * skb, struct net_device * ndev)
+{
+    const struct c4_priv *priv;
+    int         rval;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+    priv = DEV_TO_PRIV (ndev);
+#else
+    hdlc_device *hdlc = dev_to_hdlc (ndev);
+
+    priv = hdlc->priv;
+#endif
+
+    rval = musycc_start_xmit (priv->ci, priv->channum, skb);
+    return -rval;
+}
+#endif                          /* GENERIC_HDLC_VERSION */
+
+static const struct net_device_ops chan_ops = {
+       .ndo_open       = chan_open,
+       .ndo_stop       = chan_close,
+       .ndo_start_xmit = c4_linux_xmit,
+       .ndo_do_ioctl   = chan_dev_ioctl,
+       .ndo_get_stats  = chan_get_stats,
+};
+
+STATIC struct net_device *
+create_chan (struct net_device * ndev, ci_t * ci,
+             struct sbecom_chan_param * cp)
+{
+    hdlc_device *hdlc;
+    struct net_device *dev;
+    hdw_info_t *hi;
+    int         ret;
+
+    if (c4_find_chan (cp->channum))
+        return 0;                   /* channel already exists */
+
+    {
+        struct c4_priv *priv;
+
+        /* allocate then fill in private data structure */
+        priv = OS_kmalloc (sizeof (struct c4_priv));
+        if (!priv)
+        {
+            printk (KERN_WARNING "%s: no memory for net_device !\n", ci->devname);
+            return 0;
+        }
+        dev = alloc_hdlcdev (priv);
+        if (!dev)
+        {
+            printk (KERN_WARNING "%s: no memory for hdlc_device !\n", ci->devname);
+            OS_kfree (priv);
+            return 0;
+        }
+        priv->ci = ci;
+        priv->channum = cp->channum;
+    }
+
+    hdlc = dev_to_hdlc (dev);
+
+    dev->base_addr = 0;             /* not I/O mapped */
+    dev->irq = ndev->irq;
+    dev->type = ARPHRD_RAWHDLC;
+    *dev->name = 0;                 /* default ifconfig name = "hdlc" */
+
+    hi = (hdw_info_t *) ci->hdw_info;
+    if (hi->mfg_info_sts == EEPROM_OK)
+    {
+        switch (hi->promfmt)
+        {
+        case PROM_FORMAT_TYPE1:
+            memcpy (dev->dev_addr, (FLD_TYPE1 *) (hi->mfg_info.pft1.Serial), 6);
+            break;
+        case PROM_FORMAT_TYPE2:
+            memcpy (dev->dev_addr, (FLD_TYPE2 *) (hi->mfg_info.pft2.Serial), 6);
+            break;
+        default:
+            memset (dev->dev_addr, 0, 6);
+            break;
+        }
+    } else
+    {
+        memset (dev->dev_addr, 0, 6);
+    }
+
+    hdlc->xmit = c4_linux_xmit;
+
+    dev->netdev_ops = &chan_ops;
+    /*
+     * The native hdlc stack calls this 'attach' routine during
+     * hdlc_raw_ioctl(), passing parameters for line encoding and parity.
+     * Since hdlc_raw_ioctl() stack does not interrogate whether an 'attach'
+     * routine is actually registered or not, we supply a dummy routine which
+     * does nothing (since encoding and parity are setup for our driver via a
+     * special configuration application).
+     */
+
+    hdlc->attach = chan_attach_noop;
+
+    rtnl_unlock ();                 /* needed due to Ioctl calling sequence */
+    ret = register_hdlc_device (dev);
+    /* NOTE: <stats> setting must occur AFTER registration in order to "take" */
+    dev->tx_queue_len = MAX_DEFAULT_IFQLEN;
+
+    rtnl_lock ();                   /* needed due to Ioctl calling sequence */
+    if (ret)
+    {
+        if (log_level >= LOG_WARN)
+            printk ("%s: create_chan[%d] registration error = %d.\n",
+                    ci->devname, cp->channum, ret);
+        free_netdev (dev);          /* cleanup */
+        return 0;                   /* failed to register */
+    }
+    return dev;
+}
+
+
+/* the idea here is to get port information and pass it back (using pointer) */
+STATIC      status_t
+do_get_port (struct net_device * ndev, void *data)
+{
+    int         ret;
+    ci_t       *ci;             /* ci stands for card information */
+    struct sbecom_port_param pp;/* copy data to kernel land */
+
+    if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param)))
+        return -EFAULT;
+    if (pp.portnum >= MUSYCC_NPORTS)
+        return -EFAULT;
+    ci = get_ci_by_dev (ndev);
+    if (!ci)
+        return -EINVAL;             /* get card info */
+
+    ret = mkret (c4_get_port (ci, pp.portnum));
+    if (ret)
+        return ret;
+    if (copy_to_user (data, &ci->port[pp.portnum].p,
+                      sizeof (struct sbecom_port_param)))
+        return -EFAULT;
+    return 0;
+}
+
+/* this function copys the user data and then calls the real action function */
+STATIC      status_t
+do_set_port (struct net_device * ndev, void *data)
+{
+    ci_t       *ci;             /* ci stands for card information */
+    struct sbecom_port_param pp;/* copy data to kernel land */
+
+    if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param)))
+        return -EFAULT;
+    if (pp.portnum >= MUSYCC_NPORTS)
+        return -EFAULT;
+    ci = get_ci_by_dev (ndev);
+    if (!ci)
+        return -EINVAL;             /* get card info */
+
+    if (pp.portnum >= ci->max_port) /* sanity check */
+        return ENXIO;
+
+    memcpy (&ci->port[pp.portnum].p, &pp, sizeof (struct sbecom_port_param));
+    return mkret (c4_set_port (ci, pp.portnum));
+}
+
+/* work the port loopback mode as per directed */
+STATIC      status_t
+do_port_loop (struct net_device * ndev, void *data)
+{
+    struct sbecom_port_param pp;
+    ci_t       *ci;
+
+    if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param)))
+        return -EFAULT;
+    ci = get_ci_by_dev (ndev);
+    if (!ci)
+        return -EINVAL;
+    return mkret (c4_loop_port (ci, pp.portnum, pp.port_mode));
+}
+
+/* set the specified register with the given value / or just read it */
+STATIC      status_t
+do_framer_rw (struct net_device * ndev, void *data)
+{
+    struct sbecom_port_param pp;
+    ci_t       *ci;
+    int         ret;
+
+    if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param)))
+        return -EFAULT;
+    ci = get_ci_by_dev (ndev);
+    if (!ci)
+        return -EINVAL;
+    ret = mkret (c4_frame_rw (ci, &pp));
+    if (ret)
+        return ret;
+    if (copy_to_user (data, &pp, sizeof (struct sbecom_port_param)))
+        return -EFAULT;
+    return 0;
+}
+
+/* set the specified register with the given value / or just read it */
+STATIC      status_t
+do_pld_rw (struct net_device * ndev, void *data)
+{
+    struct sbecom_port_param pp;
+    ci_t       *ci;
+    int         ret;
+
+    if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param)))
+        return -EFAULT;
+    ci = get_ci_by_dev (ndev);
+    if (!ci)
+        return -EINVAL;
+    ret = mkret (c4_pld_rw (ci, &pp));
+    if (ret)
+        return ret;
+    if (copy_to_user (data, &pp, sizeof (struct sbecom_port_param)))
+        return -EFAULT;
+    return 0;
+}
+
+/* set the specified register with the given value / or just read it */
+STATIC      status_t
+do_musycc_rw (struct net_device * ndev, void *data)
+{
+    struct c4_musycc_param mp;
+    ci_t       *ci;
+    int         ret;
+
+    if (copy_from_user (&mp, data, sizeof (struct c4_musycc_param)))
+        return -EFAULT;
+    ci = get_ci_by_dev (ndev);
+    if (!ci)
+        return -EINVAL;
+    ret = mkret (c4_musycc_rw (ci, &mp));
+    if (ret)
+        return ret;
+    if (copy_to_user (data, &mp, sizeof (struct c4_musycc_param)))
+        return -EFAULT;
+    return 0;
+}
+
+STATIC      status_t
+do_get_chan (struct net_device * ndev, void *data)
+{
+    struct sbecom_chan_param cp;
+    int         ret;
+
+    if (copy_from_user (&cp, data,
+                        sizeof (struct sbecom_chan_param)))
+        return -EFAULT;
+
+    if ((ret = mkret (c4_get_chan (cp.channum, &cp))))
+        return ret;
+
+    if (copy_to_user (data, &cp, sizeof (struct sbecom_chan_param)))
+        return -EFAULT;
+    return 0;
+}
+
+STATIC      status_t
+do_set_chan (struct net_device * ndev, void *data)
+{
+    struct sbecom_chan_param cp;
+    int         ret;
+    ci_t       *ci;
+
+    if (copy_from_user (&cp, data, sizeof (struct sbecom_chan_param)))
+        return -EFAULT;
+    ci = get_ci_by_dev (ndev);
+    if (!ci)
+        return -EINVAL;
+    switch (ret = mkret (c4_set_chan (cp.channum, &cp)))
+    {
+    case 0:
+        return 0;
+    default:
+        return ret;
+    }
+}
+
+STATIC      status_t
+do_create_chan (struct net_device * ndev, void *data)
+{
+    ci_t       *ci;
+    struct net_device *dev;
+    struct sbecom_chan_param cp;
+    int         ret;
+
+    if (copy_from_user (&cp, data, sizeof (struct sbecom_chan_param)))
+        return -EFAULT;
+    ci = get_ci_by_dev (ndev);
+    if (!ci)
+        return -EINVAL;
+    dev = create_chan (ndev, ci, &cp);
+    if (!dev)
+        return -EBUSY;
+    ret = mkret (c4_new_chan (ci, cp.port, cp.channum, dev));
+    if (ret)
+    {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+        rtnl_unlock ();             /* needed due to Ioctl calling sequence */
+        V7 (unregister_hdlc_device) (dev_to_hdlc (dev));
+        rtnl_lock ();               /* needed due to Ioctl calling sequence */
+        OS_kfree (DEV_TO_PRIV (dev));
+        OS_kfree (dev);
+#else
+        rtnl_unlock ();             /* needed due to Ioctl calling sequence */
+        unregister_hdlc_device (dev);
+        rtnl_lock ();               /* needed due to Ioctl calling sequence */
+        free_netdev (dev);
+#endif
+    }
+    return ret;
+}
+
+STATIC      status_t
+do_get_chan_stats (struct net_device * ndev, void *data)
+{
+    struct c4_chan_stats_wrap ccs;
+    int         ret;
+
+    if (copy_from_user (&ccs, data,
+                        sizeof (struct c4_chan_stats_wrap)))
+        return -EFAULT;
+    switch (ret = mkret (c4_get_chan_stats (ccs.channum, &ccs.stats)))
+    {
+    case 0:
+        break;
+    default:
+        return ret;
+    }
+    if (copy_to_user (data, &ccs,
+                      sizeof (struct c4_chan_stats_wrap)))
+        return -EFAULT;
+    return 0;
+}
+STATIC      status_t
+do_set_loglevel (struct net_device * ndev, void *data)
+{
+    unsigned int log_level;
+
+    if (copy_from_user (&log_level, data, sizeof (int)))
+        return -EFAULT;
+    sbecom_set_loglevel (log_level);
+    return 0;
+}
+
+STATIC      status_t
+do_deluser (struct net_device * ndev, int lockit)
+{
+    if (ndev->flags & IFF_UP)
+        return -EBUSY;
+
+    {
+        ci_t       *ci;
+        mch_t      *ch;
+        const struct c4_priv *priv;
+        int         channum;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+        priv = DEV_TO_PRIV (ndev);
+#else
+        priv = (struct c4_priv *) dev_to_hdlc (ndev)->priv;
+#endif
+        ci = priv->ci;
+        channum = priv->channum;
+
+        ch = c4_find_chan (channum);
+        if (ch == NULL)
+            return -ENOENT;
+        ch->user = 0;               /* will be freed, below */
+    }
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+    if (lockit)
+        rtnl_unlock ();             /* needed if Ioctl calling sequence */
+    V7 (unregister_hdlc_device) (dev_to_hdlc (ndev));
+    if (lockit)
+        rtnl_lock ();               /* needed if Ioctl calling sequence */
+    OS_kfree (DEV_TO_PRIV (ndev));
+    OS_kfree (ndev);
+#else
+    if (lockit)
+        rtnl_unlock ();             /* needed if Ioctl calling sequence */
+    unregister_hdlc_device (ndev);
+    if (lockit)
+        rtnl_lock ();               /* needed if Ioctl calling sequence */
+    free_netdev (ndev);
+#endif
+    return 0;
+}
+
+int
+do_del_chan (struct net_device * musycc_dev, void *data)
+{
+    struct sbecom_chan_param cp;
+    char        buf[sizeof (CHANNAME) + 3];
+    struct net_device *dev;
+    int         ret;
+
+    if (copy_from_user (&cp, data,
+                        sizeof (struct sbecom_chan_param)))
+        return -EFAULT;
+    sprintf (buf, CHANNAME "%d", cp.channum);
+    if (!(dev = dev_get_by_name (&init_net, buf)))
+        return -ENOENT;
+    dev_put (dev);
+    ret = do_deluser (dev, 1);
+    if (ret)
+        return ret;
+    return c4_del_chan (cp.channum);
+}
+int         c4_reset_board (void *);
+
+int
+do_reset (struct net_device * musycc_dev, void *data)
+{
+    const struct c4_priv *priv;
+    int         i;
+
+    for (i = 0; i < 128; i++)
+    {
+        struct net_device *ndev;
+        char        buf[sizeof (CHANNAME) + 3];
+
+        sprintf (buf, CHANNAME "%d", i);
+        if (!(ndev = dev_get_by_name(&init_net, buf)))
+            continue;
+        priv = dev_to_hdlc (ndev)->priv;
+
+        if ((unsigned long) (priv->ci) ==
+            (unsigned long) (netdev_priv(musycc_dev)))
+        {
+            ndev->flags &= ~IFF_UP;
+            dev_put (ndev);
+            netif_stop_queue (ndev);
+            do_deluser (ndev, 1);
+        } else
+            dev_put (ndev);
+    }
+    return 0;
+}
+
+int
+do_reset_chan_stats (struct net_device * musycc_dev, void *data)
+{
+    struct sbecom_chan_param cp;
+
+    if (copy_from_user (&cp, data,
+                        sizeof (struct sbecom_chan_param)))
+        return -EFAULT;
+    return mkret (c4_del_chan_stats (cp.channum));
+}
+
+STATIC      status_t
+c4_ioctl (struct net_device * ndev, struct ifreq * ifr, int cmd)
+{
+    ci_t       *ci;
+    void       *data;
+    int         iocmd, iolen;
+    status_t    ret;
+    static struct data
+    {
+        union
+        {
+            u_int8_t c;
+            u_int32_t i;
+            struct sbe_brd_info bip;
+            struct sbe_drv_info dip;
+            struct sbe_iid_info iip;
+            struct sbe_brd_addr bap;
+            struct sbecom_chan_stats stats;
+            struct sbecom_chan_param param;
+            struct temux_card_stats cards;
+            struct sbecom_card_param cardp;
+            struct sbecom_framer_param frp;
+        }           u;
+    }           arg;
+
+
+    if (!capable (CAP_SYS_ADMIN))
+        return -EPERM;
+    if (cmd != SIOCDEVPRIVATE + 15)
+        return -EINVAL;
+    if (!(ci = get_ci_by_dev (ndev)))
+        return -EINVAL;
+    if (ci->state != C_RUNNING)
+        return -ENODEV;
+    if (copy_from_user (&iocmd, ifr->ifr_data, sizeof (iocmd)))
+        return -EFAULT;
+#if 0
+    if (copy_from_user (&len, ifr->ifr_data + sizeof (iocmd), sizeof (len)))
+        return -EFAULT;
+#endif
+
+#if 0
+    printk ("c4_ioctl: iocmd %x, dir %x type %x nr %x iolen %d.\n", iocmd,
+            _IOC_DIR (iocmd), _IOC_TYPE (iocmd), _IOC_NR (iocmd),
+            _IOC_SIZE (iocmd));
+#endif
+    iolen = _IOC_SIZE (iocmd);
+    data = ifr->ifr_data + sizeof (iocmd);
+    if (copy_from_user (&arg, data, iolen))
+        return -EFAULT;
+
+    ret = 0;
+    switch (iocmd)
+    {
+    case SBE_IOC_PORT_GET:
+        //printk (">> SBE_IOC_PORT_GET Ioctl...\n");
+        ret = do_get_port (ndev, data);
+        break;
+    case SBE_IOC_PORT_SET:
+        //printk (">> SBE_IOC_PORT_SET Ioctl...\n");
+        ret = do_set_port (ndev, data);
+        break;
+    case SBE_IOC_CHAN_GET:
+        //printk (">> SBE_IOC_CHAN_GET Ioctl...\n");
+        ret = do_get_chan (ndev, data);
+        break;
+    case SBE_IOC_CHAN_SET:
+        //printk (">> SBE_IOC_CHAN_SET Ioctl...\n");
+        ret = do_set_chan (ndev, data);
+        break;
+    case C4_DEL_CHAN:
+        //printk (">> C4_DEL_CHAN Ioctl...\n");
+        ret = do_del_chan (ndev, data);
+        break;
+    case SBE_IOC_CHAN_NEW:
+        ret = do_create_chan (ndev, data);
+        break;
+    case SBE_IOC_CHAN_GET_STAT:
+        ret = do_get_chan_stats (ndev, data);
+        break;
+    case SBE_IOC_LOGLEVEL:
+        ret = do_set_loglevel (ndev, data);
+        break;
+    case SBE_IOC_RESET_DEV:
+        ret = do_reset (ndev, data);
+        break;
+    case SBE_IOC_CHAN_DEL_STAT:
+        ret = do_reset_chan_stats (ndev, data);
+        break;
+    case C4_LOOP_PORT:
+        ret = do_port_loop (ndev, data);
+        break;
+    case C4_RW_FRMR:
+        ret = do_framer_rw (ndev, data);
+        break;
+    case C4_RW_MSYC:
+        ret = do_musycc_rw (ndev, data);
+        break;
+    case C4_RW_PLD:
+        ret = do_pld_rw (ndev, data);
+        break;
+    case SBE_IOC_IID_GET:
+        ret = (iolen == sizeof (struct sbe_iid_info)) ? c4_get_iidinfo (ci, &arg.u.iip) : -EFAULT;
+        if (ret == 0)               /* no error, copy data */
+            if (copy_to_user (data, &arg, iolen))
+                return -EFAULT;
+        break;
+    default:
+        //printk (">> c4_ioctl: EINVAL - unknown iocmd <%x>\n", iocmd);
+        ret = -EINVAL;
+        break;
+    }
+    return mkret (ret);
+}
+
+static const struct net_device_ops c4_ops = {
+       .ndo_open       = void_open,
+       .ndo_start_xmit = c4_linux_xmit,
+       .ndo_do_ioctl   = c4_ioctl,
+};
+
+static void c4_setup(struct net_device *dev)
+{
+       dev->type = ARPHRD_VOID;
+       dev->netdev_ops = &c4_ops;
+}
+
+struct net_device *__init
+c4_add_dev (hdw_info_t * hi, int brdno, unsigned long f0, unsigned long f1,
+            int irq0, int irq1)
+{
+    struct net_device *ndev;
+    ci_t       *ci;
+
+    ndev = alloc_netdev(sizeof(ci_t), SBE_IFACETMPL, c4_setup);
+    if (!ndev)
+    {
+        printk (KERN_WARNING "%s: no memory for struct net_device !\n", hi->devname);
+        error_flag = ENOMEM;
+        return 0;
+    }
+    ci = (ci_t *)(netdev_priv(ndev));
+    ndev->irq = irq0;
+
+    ci->hdw_info = hi;
+    ci->state = C_INIT;         /* mark as hardware not available */
+    ci->next = c4_list;
+    c4_list = ci;
+    ci->brdno = ci->next ? ci->next->brdno + 1 : 0;
+
+    if (CI == 0)
+        CI = ci;                    /* DEBUG, only board 0 usage */
+
+    strcpy (ci->devname, hi->devname);
+    ci->release = &pmcc4_OSSI_release[0];
+
+    /* tasklet */
+#if defined(SBE_ISR_TASKLET)
+    tasklet_init (&ci->ci_musycc_isr_tasklet,
+                  (void (*) (unsigned long)) musycc_intr_bh_tasklet,
+                  (unsigned long) ci);
+
+    if (atomic_read (&ci->ci_musycc_isr_tasklet.count) == 0)
+        tasklet_disable_nosync (&ci->ci_musycc_isr_tasklet);
+#elif defined(SBE_ISR_IMMEDIATE)
+    ci->ci_musycc_isr_tq.routine = (void *) (unsigned long) musycc_intr_bh_tasklet;
+    ci->ci_musycc_isr_tq.data = ci;
+#endif
+
+
+    if (register_netdev (ndev) ||
+        (c4_init (ci, (u_char *) f0, (u_char *) f1) != SBE_DRVR_SUCCESS))
+    {
+        OS_kfree (netdev_priv(ndev));
+        OS_kfree (ndev);
+        error_flag = ENODEV;
+        return 0;
+    }
+    /*************************************************************
+     *  int request_irq(unsigned int irq,
+     *                  void (*handler)(int, void *, struct pt_regs *),
+     *                  unsigned long flags, const char *dev_name, void *dev_id);
+     *  wherein:
+     *  irq      -> The interrupt number that is being requested.
+     *  handler  -> Pointer to handling function being installed.
+     *  flags    -> A bit mask of options related to interrupt management.
+     *  dev_name -> String used in /proc/interrupts to show owner of interrupt.
+     *  dev_id   -> Pointer (for shared interrupt lines) to point to its own
+     *              private data area (to identify which device is interrupting).
+     *
+     *  extern void free_irq(unsigned int irq, void *dev_id);
+     **************************************************************/
+
+    if (request_irq (irq0, &c4_linux_interrupt,
+#if defined(SBE_ISR_TASKLET)
+                     IRQF_DISABLED | IRQF_SHARED,
+#elif defined(SBE_ISR_IMMEDIATE)
+                     IRQF_DISABLED | IRQF_SHARED,
+#elif defined(SBE_ISR_INLINE)
+                     IRQF_SHARED,
+#endif
+                     ndev->name, ndev))
+    {
+        printk (KERN_WARNING "%s: MUSYCC could not get irq: %d\n",
+                ndev->name, irq0);
+        unregister_netdev (ndev);
+        OS_kfree (netdev_priv(ndev));
+        OS_kfree (ndev);
+        error_flag = EIO;
+        return 0;
+    }
+#ifdef CONFIG_SBE_PMCC4_NCOMM
+    if (request_irq (irq1, &c4_ebus_interrupt, IRQF_SHARED, ndev->name, ndev))
+    {
+        printk (KERN_WARNING "%s: EBUS could not get irq: %d\n",
+                hi->devname, irq1);
+        unregister_netdev (ndev);
+        free_irq (irq0, ndev);
+        OS_kfree (ndev->priv);
+        OS_kfree (ndev);
+        error_flag = EIO;
+        return 0;
+    }
+#endif
+
+    /* setup board identification information */
+
+    {
+        u_int32_t   tmp;
+
+        hdw_sn_get (hi, brdno);     /* also sets PROM format type (promfmt)
+                                     * for later usage */
+
+        switch (hi->promfmt)
+        {
+        case PROM_FORMAT_TYPE1:
+            memcpy (ndev->dev_addr, (FLD_TYPE1 *) (hi->mfg_info.pft1.Serial), 6);
+            memcpy (&tmp, (FLD_TYPE1 *) (hi->mfg_info.pft1.Id), 4);     /* unaligned data
+                                                                         * acquisition */
+            ci->brd_id = cpu_to_be32 (tmp);
+            break;
+        case PROM_FORMAT_TYPE2:
+            memcpy (ndev->dev_addr, (FLD_TYPE2 *) (hi->mfg_info.pft2.Serial), 6);
+            memcpy (&tmp, (FLD_TYPE2 *) (hi->mfg_info.pft2.Id), 4);     /* unaligned data
+                                                                         * acquisition */
+            ci->brd_id = cpu_to_be32 (tmp);
+            break;
+        default:
+            ci->brd_id = 0;
+            memset (ndev->dev_addr, 0, 6);
+            break;
+        }
+
+#if 1
+        sbeid_set_hdwbid (ci);      /* requires bid to be preset */
+#else
+        sbeid_set_bdtype (ci);      /* requires hdw_bid to be preset */
+#endif
+
+    }
+
+#ifdef CONFIG_PROC_FS
+    sbecom_proc_brd_init (ci);
+#endif
+#if defined(SBE_ISR_TASKLET)
+    tasklet_enable (&ci->ci_musycc_isr_tasklet);
+#endif
+
+
+    if ((error_flag = c4_init2 (ci)) != SBE_DRVR_SUCCESS)
+    {
+#ifdef CONFIG_PROC_FS
+        sbecom_proc_brd_cleanup (ci);
+#endif
+        unregister_netdev (ndev);
+        free_irq (irq1, ndev);
+        free_irq (irq0, ndev);
+        OS_kfree (netdev_priv(ndev));
+        OS_kfree (ndev);
+        return 0;                   /* failure, error_flag is set */
+    }
+    return ndev;
+}
+
+STATIC int  __init
+c4_mod_init (void)
+{
+    int         rtn;
+
+    printk (KERN_WARNING "%s: %s\n", THIS_MODULE->name, pmcc4_OSSI_release);
+    if ((rtn = c4hw_attach_all ()))
+        return -rtn;                /* installation failure - see system log */
+
+    /* housekeeping notifications */
+    if (log_level != log_level_default)
+        printk (KERN_INFO "%s NOTE: driver parameter <log_level> changed from default %d to %d.\n",
+                THIS_MODULE->name, log_level_default, log_level);
+    if (max_mru != max_mru_default)
+        printk (KERN_INFO "%s NOTE: driver parameter <max_mru> changed from default %d to %d.\n",
+                THIS_MODULE->name, max_mru_default, max_mru);
+    if (max_mtu != max_mtu_default)
+        printk (KERN_INFO "%s NOTE: driver parameter <max_mtu> changed from default %d to %d.\n",
+                THIS_MODULE->name, max_mtu_default, max_mtu);
+    if (max_rxdesc_used != max_rxdesc_default)
+    {
+        if (max_rxdesc_used > 2000)
+            max_rxdesc_used = 2000; /* out-of-bounds reset */
+        printk (KERN_INFO "%s NOTE: driver parameter <max_rxdesc_used> changed from default %d to %d.\n",
+                THIS_MODULE->name, max_rxdesc_default, max_rxdesc_used);
+    }
+    if (max_txdesc_used != max_txdesc_default)
+    {
+        if (max_txdesc_used > 1000)
+            max_txdesc_used = 1000; /* out-of-bounds reset */
+        printk (KERN_INFO "%s NOTE: driver parameter <max_txdesc_used> changed from default %d to %d.\n",
+                THIS_MODULE->name, max_txdesc_default, max_txdesc_used);
+    }
+    return 0;                       /* installation success */
+}
+
+
+ /*
+  * find any still allocated hdlc registrations and unregister via call to
+  * do_deluser()
+  */
+
+STATIC void __exit
+cleanup_hdlc (void)
+{
+    hdw_info_t *hi;
+    ci_t       *ci;
+    struct net_device *ndev;
+    int         i, j, k;
+
+    for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
+    {
+        if (hi->ndev)               /* a board has been attached */
+        {
+            ci = (ci_t *)(netdev_priv(hi->ndev));
+            for (j = 0; j < ci->max_port; j++)
+                for (k = 0; k < MUSYCC_NCHANS; k++)
+                    if ((ndev = ci->port[j].chan[k]->user))
+                    {
+                        do_deluser (ndev, 0);
+                    }
+        }
+    }
+}
+
+
+STATIC void __exit
+c4_mod_remove (void)
+{
+    cleanup_hdlc ();            /* delete any missed channels */
+    cleanup_devs ();
+    c4_cleanup ();
+    cleanup_ioremap ();
+    printk (KERN_INFO "SBE %s - driver removed.\n", THIS_MODULE->name);
+}
+
+module_init (c4_mod_init);
+module_exit (c4_mod_remove);
+
+#ifndef SBE_INCLUDE_SYMBOLS
+#ifndef CONFIG_SBE_WANC24_NCOMM
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+EXPORT_NO_SYMBOLS;
+#endif
+#endif
+#endif
+
+MODULE_AUTHOR ("SBE Technical Services <support@sbei.com>");
+MODULE_DESCRIPTION ("wanPCI-CxT1E1 Generic HDLC WAN Driver module");
+#ifdef MODULE_LICENSE
+MODULE_LICENSE ("GPL");
+#endif
+
+/***  End-of-File  ***/
diff --git a/drivers/staging/cxt1e1/musycc.c b/drivers/staging/cxt1e1/musycc.c
new file mode 100644
index 00000000000..650c9c02f22
--- /dev/null
+++ b/drivers/staging/cxt1e1/musycc.c
@@ -0,0 +1,2180 @@
+/*
+ * $Id: musycc.c,v 2.1 2007/08/15 23:32:17 rickd PMCC4_3_1B $
+ */
+
+unsigned int max_intcnt = 0;
+unsigned int max_bh = 0;
+
+/*-----------------------------------------------------------------------------
+ * musycc.c -
+ *
+ * Copyright (C) 2007  One Stop Systems, Inc.
+ * Copyright (C) 2003-2006  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@onestopsystems.com
+ * One Stop Systems, Inc.  Escondido, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 2.1 $
+ * Last changed on $Date: 2007/08/15 23:32:17 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: musycc.c,v $
+ * Revision 2.1  2007/08/15 23:32:17  rickd
+ * Use 'if 0' instead of GNU comment delimeter to avoid line wrap induced compiler errors.
+ *
+ * Revision 2.0  2007/08/15 22:13:20  rickd
+ * Update to printf pointer %p usage and correct some UINT to ULONG for
+ * 64bit comptibility.
+ *
+ * Revision 1.7  2006/04/21 00:56:40  rickd
+ * workqueue files now prefixed with <sbecom> prefix.
+ *
+ * Revision 1.6  2005/10/27 18:54:19  rickd
+ * Clean out old code.  Default to HDLC_FCS16, not TRANS.
+ *
+ * Revision 1.5  2005/10/17 23:55:28  rickd
+ * Initial port of NCOMM support patches from original work found
+ * in pmc_c4t1e1 as updated by NCOMM.  Ref: CONFIG_SBE_PMCC4_NCOMM.
+ *
+ * Revision 1.4  2005/10/13 20:35:25  rickd
+ * Cleanup warning for unused <flags> variable.
+ *
+ * Revision 1.3  2005/10/13 19:19:22  rickd
+ * Disable redundant driver removal cleanup code.
+ *
+ * Revision 1.2  2005/10/11 18:36:16  rickd
+ * Clean up warning messages caused by de-implemented some <flags> associated
+ * with spin_lock() removals.
+ *
+ * Revision 1.1  2005/10/05 00:45:28  rickd
+ * Re-enable xmit on flow-controlled and full channel to fix restart hang.
+ * Add some temp spin-lock debug code (rld_spin_owner).
+ *
+ * Revision 1.0  2005/09/28 00:10:06  rickd
+ * Initial release for C4T1E1 support. Lots of transparent
+ * mode updates.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+char        SBEid_pmcc4_musyccc[] =
+"@(#)musycc.c - $Revision: 2.1 $      (c) Copyright 2004-2006 SBE, Inc.";
+
+
+#include <linux/types.h>
+#include "pmcc4_sysdep.h"
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include "sbecom_inline_linux.h"
+#include "libsbew.h"
+#include "pmcc4_private.h"
+#include "pmcc4.h"
+#include "musycc.h"
+
+#ifdef SBE_INCLUDE_SYMBOLS
+#define STATIC
+#else
+#define STATIC  static
+#endif
+
+#define sd_find_chan(ci,ch)   c4_find_chan(ch)
+
+
+/*******************************************************************/
+/* global driver variables */
+extern ci_t *c4_list;
+extern int  drvr_state;
+extern int  log_level;
+
+extern int  max_mru;
+extern int  max_mtu;
+extern int  max_rxdesc_used;
+extern int  max_txdesc_used;
+extern ci_t *CI;                /* dummy pointr to board ZEROE's data - DEBUG
+                                 * USAGE */
+
+
+/*******************************************************************/
+/* forward references */
+void        c4_fifo_free (mpi_t *, int);
+void        c4_wk_chan_restart (mch_t *);
+void        musycc_bh_tx_eom (mpi_t *, int);
+int         musycc_chan_up (ci_t *, int);
+status_t __init musycc_init (ci_t *);
+STATIC void __init musycc_init_port (mpi_t *);
+void        musycc_intr_bh_tasklet (ci_t *);
+void        musycc_serv_req (mpi_t *, u_int32_t);
+void        musycc_update_timeslots (mpi_t *);
+
+/*******************************************************************/
+
+#if 1
+STATIC int
+musycc_dump_rxbuffer_ring (mch_t * ch, int lockit)
+{
+    struct mdesc *m;
+    unsigned long flags = 0;
+
+    u_int32_t status;
+    int         n;
+
+    if (lockit)
+    {
+        spin_lock_irqsave (&ch->ch_rxlock, flags);
+    }
+    if (ch->rxd_num == 0)
+    {
+        printk ("  ZERO receive buffers allocated for this channel.");
+    } else
+    {
+        FLUSH_MEM_READ ();
+        m = &ch->mdr[ch->rxix_irq_srv];
+        for (n = ch->rxd_num; n; n--)
+        {
+            status = le32_to_cpu (m->status);
+            {
+                printk ("%c  %08lx[%2d]: sts %08x (%c%c%c%c:%d.) Data [%08x] Next [%08x]\n",
+                        (m == &ch->mdr[ch->rxix_irq_srv]) ? 'F' : ' ',
+                        (unsigned long) m, n,
+                        status,
+                        m->data ? (status & HOST_RX_OWNED ? 'H' : 'M') : '-',
+                        status & POLL_DISABLED ? 'P' : '-',
+                        status & EOBIRQ_ENABLE ? 'b' : '-',
+                        status & EOMIRQ_ENABLE ? 'm' : '-',
+                        status & LENGTH_MASK,
+                        le32_to_cpu (m->data), le32_to_cpu (m->next));
+#ifdef RLD_DUMP_BUFDATA
+                {
+                    u_int32_t  *dp;
+                    int         len = status & LENGTH_MASK;
+
+#if 1
+                    if (m->data && (status & HOST_RX_OWNED))
+#else
+                    if (m->data)    /* always dump regardless of valid RX
+                                     * data */
+#endif
+                    {
+                        dp = (u_int32_t *) OS_phystov ((void *) (le32_to_cpu (m->data)));
+                        if (len >= 0x10)
+                            printk ("    %x[%x]: %08X %08X %08X %08x\n", (u_int32_t) dp, len,
+                                    *dp, *(dp + 1), *(dp + 2), *(dp + 3));
+                        else if (len >= 0x08)
+                            printk ("    %x[%x]: %08X %08X\n", (u_int32_t) dp, len,
+                                    *dp, *(dp + 1));
+                        else
+                            printk ("    %x[%x]: %08X\n", (u_int32_t) dp, len, *dp);
+                    }
+                }
+#endif
+            }
+            m = m->snext;
+        }
+    }                               /* -for- */
+    printk ("\n");
+
+    if (lockit)
+    {
+        spin_unlock_irqrestore (&ch->ch_rxlock, flags);
+    }
+    return 0;
+}
+#endif
+
+#if 1
+STATIC int
+musycc_dump_txbuffer_ring (mch_t * ch, int lockit)
+{
+    struct mdesc *m;
+    unsigned long flags = 0;
+    u_int32_t   status;
+    int         n;
+
+    if (lockit)
+    {
+        spin_lock_irqsave (&ch->ch_txlock, flags);
+    }
+    if (ch->txd_num == 0)
+    {
+        printk ("  ZERO transmit buffers allocated for this channel.");
+    } else
+    {
+        FLUSH_MEM_READ ();
+        m = ch->txd_irq_srv;
+        for (n = ch->txd_num; n; n--)
+        {
+            status = le32_to_cpu (m->status);
+            {
+                printk ("%c%c %08lx[%2d]: sts %08x (%c%c%c%c:%d.) Data [%08x] Next [%08x]\n",
+                        (m == ch->txd_usr_add) ? 'F' : ' ',
+                        (m == ch->txd_irq_srv) ? 'L' : ' ',
+                        (unsigned long) m, n,
+                        status,
+                     m->data ? (status & MUSYCC_TX_OWNED ? 'M' : 'H') : '-',
+                        status & POLL_DISABLED ? 'P' : '-',
+                        status & EOBIRQ_ENABLE ? 'b' : '-',
+                        status & EOMIRQ_ENABLE ? 'm' : '-',
+                        status & LENGTH_MASK,
+                        le32_to_cpu (m->data), le32_to_cpu (m->next));
+#ifdef RLD_DUMP_BUFDATA
+                {
+                    u_int32_t  *dp;
+                    int         len = status & LENGTH_MASK;
+
+                    if (m->data)
+                    {
+                        dp = (u_int32_t *) OS_phystov ((void *) (le32_to_cpu (m->data)));
+                        if (len >= 0x10)
+                            printk ("    %x[%x]: %08X %08X %08X %08x\n", (u_int32_t) dp, len,
+                                    *dp, *(dp + 1), *(dp + 2), *(dp + 3));
+                        else if (len >= 0x08)
+                            printk ("    %x[%x]: %08X %08X\n", (u_int32_t) dp, len,
+                                    *dp, *(dp + 1));
+                        else
+                            printk ("    %x[%x]: %08X\n", (u_int32_t) dp, len, *dp);
+                    }
+                }
+#endif
+            }
+            m = m->snext;
+        }
+    }                               /* -for- */
+    printk ("\n");
+
+    if (lockit)
+    {
+        spin_unlock_irqrestore (&ch->ch_txlock, flags);
+    }
+    return 0;
+}
+#endif
+
+
+/*
+ * The following supports a backdoor debug facility which can be used to
+ * display the state of a board's channel.
+ */
+
+status_t
+musycc_dump_ring (ci_t * ci, unsigned int chan)
+{
+    mch_t      *ch;
+
+    if (chan >= MAX_CHANS_USED)
+    {
+        return SBE_DRVR_FAIL;       /* E2BIG */
+    }
+    {
+        int         bh;
+
+        bh = atomic_read (&ci->bh_pending);
+        printk (">> bh_pend %d [%d] ihead %d itail %d [%d] th_cnt %d bh_cnt %d wdcnt %d note %d\n",
+                bh, max_bh, ci->iqp_headx, ci->iqp_tailx, max_intcnt,
+                ci->intlog.drvr_intr_thcount,
+                ci->intlog.drvr_intr_bhcount,
+                ci->wdcount, ci->wd_notify);
+        max_bh = 0;                 /* reset counter */
+        max_intcnt = 0;             /* reset counter */
+    }
+
+    if (!(ch = sd_find_chan (dummy, chan)))
+    {
+        printk (">> musycc_dump_ring: channel %d not up.\n", chan);
+        return ENOENT;
+    }
+    printk (">> CI %p CHANNEL %3d @ %p: state %x status/p %x/%x\n", ci, chan, ch, ch->state,
+            ch->status, ch->p.status);
+    printk ("--------------------------------\nTX Buffer Ring - Channel %d, txd_num %d. (bd/ch pend %d %d), TXD required %d, txpkt %lu\n",
+            chan, ch->txd_num,
+            (u_int32_t) atomic_read (&ci->tx_pending), (u_int32_t) atomic_read (&ch->tx_pending), ch->txd_required, ch->s.tx_packets);
+    printk ("++ User 0x%p IRQ_SRV 0x%p USR_ADD 0x%p QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
+            ch->user, ch->txd_irq_srv, ch->txd_usr_add,
+            sd_queue_stopped (ch->user),
+            ch->ch_start_tx, ch->tx_full, ch->txd_free, ch->p.chan_mode);
+    musycc_dump_txbuffer_ring (ch, 1);
+    printk ("RX Buffer Ring - Channel %d, rxd_num %d. IRQ_SRV[%d] 0x%p, start_rx %x rxpkt %lu\n",
+            chan, ch->rxd_num, ch->rxix_irq_srv,
+            &ch->mdr[ch->rxix_irq_srv], ch->ch_start_rx, ch->s.rx_packets);
+    musycc_dump_rxbuffer_ring (ch, 1);
+
+    return SBE_DRVR_SUCCESS;
+}
+
+
+status_t
+musycc_dump_rings (ci_t * ci, unsigned int start_chan)
+{
+    unsigned int chan;
+
+    for (chan = start_chan; chan < (start_chan + 5); chan++)
+        musycc_dump_ring (ci, chan);
+    return SBE_DRVR_SUCCESS;
+}
+
+
+/*
+ * NOTE on musycc_init_mdt():  These MUSYCC writes are only operational after
+ * a MUSYCC GROUP_INIT command has been issued.
+ */
+
+void
+musycc_init_mdt (mpi_t * pi)
+{
+    u_int32_t  *addr, cfg;
+    int         i;
+
+    /*
+     * This Idle Code insertion takes effect prior to channel's first
+     * transmitted  message.  After that, each message contains its own Idle
+     * Code information which is to be issued after the message is
+     * transmitted (Ref.MUSYCC 5.2.2.3: MCENBL bit in Group Configuration
+     * Descriptor).
+     */
+
+    addr = (u_int32_t *) ((u_long) pi->reg + MUSYCC_MDT_BASE03_ADDR);
+    cfg = CFG_CH_FLAG_7E << IDLE_CODE;
+
+    for (i = 0; i < 32; addr++, i++)
+    {
+        pci_write_32 (addr, cfg);
+    }
+}
+
+
+/* Set TX thp to the next unprocessed md */
+
+void
+musycc_update_tx_thp (mch_t * ch)
+{
+    struct mdesc *md;
+    unsigned long flags;
+
+    spin_lock_irqsave (&ch->ch_txlock, flags);
+    while (1)
+    {
+        md = ch->txd_irq_srv;
+        FLUSH_MEM_READ ();
+        if (!md->data)
+        {
+            /* No MDs with buffers to process */
+            spin_unlock_irqrestore (&ch->ch_txlock, flags);
+            return;
+        }
+        if ((le32_to_cpu (md->status)) & MUSYCC_TX_OWNED)
+        {
+            /* this is the MD to restart TX with */
+            break;
+        }
+        /*
+         * Otherwise, we have a valid, host-owned message descriptor which
+         * has been successfully transmitted and whose buffer can be freed,
+         * so... process this MD, it's owned by the host.  (This might give
+         * as a new, updated txd_irq_srv.)
+         */
+        musycc_bh_tx_eom (ch->up, ch->gchan);
+    }
+    md = ch->txd_irq_srv;
+    ch->up->regram->thp[ch->gchan] = cpu_to_le32 (OS_vtophys (md));
+    FLUSH_MEM_WRITE ();
+
+    if (ch->tx_full)
+    {
+        ch->tx_full = 0;
+        ch->txd_required = 0;
+        sd_enable_xmit (ch->user);  /* re-enable to catch flow controlled
+                                     * channel */
+    }
+    spin_unlock_irqrestore (&ch->ch_txlock, flags);
+
+#ifdef RLD_TRANS_DEBUG
+    printk ("++ musycc_update_tx_thp[%d]: setting thp = %p, sts %x\n", ch->channum, md, md->status);
+#endif
+}
+
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
+/*
+ * This is the workq task executed by the OS when our queue_work() is
+ * scheduled and run.  It can fire off either RX or TX ACTIVATION depending
+ * upon the channel's ch_start_tx and ch_start_rx variables.  This routine
+ * is implemented as a work queue so that the call to the service request is
+ * able to sleep, awaiting an interrupt acknowledgment response (SACK) from
+ * the hardware.
+ */
+
+void
+musycc_wq_chan_restart (void *arg)      /* channel private structure */
+{
+    mch_t      *ch;
+    mpi_t      *pi;
+    struct mdesc *md;
+#if 0
+    unsigned long flags;
+#endif
+
+    ch = container_of(arg, struct c4_chan_info, ch_work);
+    pi = ch->up;
+
+#ifdef RLD_TRANS_DEBUG
+    printk ("wq_chan_restart[%d]: start_RT[%d/%d] status %x\n",
+            ch->channum, ch->ch_start_rx, ch->ch_start_tx, ch->status);
+
+#endif
+
+    /**********************************/
+    /** check for RX restart request **/
+    /**********************************/
+
+    if ((ch->ch_start_rx) && (ch->status & RX_ENABLED))
+    {
+
+        ch->ch_start_rx = 0;
+#if defined(RLD_TRANS_DEBUG) || defined(RLD_RXACT_DEBUG)
+        {
+            static int  hereb4 = 7;
+
+            if (hereb4)             /* RLD DEBUG */
+            {
+                hereb4--;
+#ifdef RLD_TRANS_DEBUG
+                md = &ch->mdr[ch->rxix_irq_srv];
+                printk ("++ musycc_wq_chan_restart[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
+                ch->channum, ch->rxix_irq_srv, md, le32_to_cpu (md->status),
+                        ch->s.rx_packets);
+#elif defined(RLD_RXACT_DEBUG)
+                md = &ch->mdr[ch->rxix_irq_srv];
+                printk ("++ musycc_wq_chan_restart[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
+                ch->channum, ch->rxix_irq_srv, md, le32_to_cpu (md->status),
+                        ch->s.rx_packets);
+                musycc_dump_rxbuffer_ring (ch, 1);      /* RLD DEBUG */
+#endif
+            }
+        }
+#endif
+        musycc_serv_req (pi, SR_CHANNEL_ACTIVATE | SR_RX_DIRECTION | ch->gchan);
+    }
+    /**********************************/
+    /** check for TX restart request **/
+    /**********************************/
+
+    if ((ch->ch_start_tx) && (ch->status & TX_ENABLED))
+    {
+        /* find next unprocessed message, then set TX thp to it */
+        musycc_update_tx_thp (ch);
+
+#if 0
+        spin_lock_irqsave (&ch->ch_txlock, flags);
+#endif
+        md = ch->txd_irq_srv;
+        if (!md)
+        {
+#ifdef RLD_TRANS_DEBUG
+            printk ("-- musycc_wq_chan_restart[%d]: WARNING, starting NULL md\n", ch->channum);
+#endif
+#if 0
+            spin_unlock_irqrestore (&ch->ch_txlock, flags);
+#endif
+        } else if (md->data && ((le32_to_cpu (md->status)) & MUSYCC_TX_OWNED))
+        {
+            ch->ch_start_tx = 0;
+#if 0
+            spin_unlock_irqrestore (&ch->ch_txlock, flags);   /* allow interrupts for service request */
+#endif
+#ifdef RLD_TRANS_DEBUG
+            printk ("++ musycc_wq_chan_restart() CHAN TX ACTIVATE: chan %d txd_irq_srv %p = sts %x, txpkt %lu\n",
+                    ch->channum, ch->txd_irq_srv, ch->txd_irq_srv->status, ch->s.tx_packets);
+#endif
+            musycc_serv_req (pi, SR_CHANNEL_ACTIVATE | SR_TX_DIRECTION | ch->gchan);
+        }
+#ifdef RLD_RESTART_DEBUG
+        else
+        {
+            /* retain request to start until retried and we have data to xmit */
+            printk ("-- musycc_wq_chan_restart[%d]: DELAYED due to md %p sts %x data %x, start_tx %x\n",
+                    ch->channum, md,
+                    le32_to_cpu (md->status),
+                    le32_to_cpu (md->data), ch->ch_start_tx);
+            musycc_dump_txbuffer_ring (ch, 0);
+#if 0
+            spin_unlock_irqrestore (&ch->ch_txlock, flags);   /* allow interrupts for service request */
+#endif
+        }
+#endif
+    }
+}
+#endif
+
+
+ /*
+  * Channel restart either fires of a workqueue request (2.6) or lodges a
+  * watchdog activation sequence (2.4).
+  */
+
+void
+musycc_chan_restart (mch_t * ch)
+{
+#ifdef RLD_RESTART_DEBUG
+    printk ("++ musycc_chan_restart[%d]: txd_irq_srv @ %p = sts %x\n",
+            ch->channum, ch->txd_irq_srv, ch->txd_irq_srv->status);
+#endif
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
+    /* 2.6 - find next unprocessed message, then set TX thp to it */
+#ifdef RLD_RESTART_DEBUG
+    printk (">> musycc_chan_restart: scheduling Chan %x workQ @ %p\n", ch->channum, &ch->ch_work);
+#endif
+    c4_wk_chan_restart (ch);        /* work queue mechanism fires off: Ref:
+                                     * musycc_wq_chan_restart () */
+
+#else
+
+
+    /* 2.4 - find next unprocessed message, then set TX thp to it */
+#ifdef RLD_RESTART_DEBUG
+    printk (">> musycc_chan_restart: scheduling Chan %x start_tx %x\n", ch->channum, ch->ch_start_tx);
+#endif
+    /* restart transmission from background loop */
+    ch->up->up->wd_notify = WD_NOTIFY_1TX;
+#endif
+}
+
+
+#if 0
+void
+musycc_cleanup (ci_t * ci)
+{
+    mpi_t      *pi;
+    int         i, j;
+
+    /* free up driver resources */
+    ci->state = C_INIT;             /* mark as hardware not available */
+
+    for (i = 0; i < ci->max_ports; i++)
+    {
+        pi = &ci->port[i];
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
+        c4_wq_port_cleanup (pi);
+#endif
+        for (j = 0; j < MUSYCC_NCHANS; j++)
+        {
+            if (pi->chan[j])
+                OS_kfree (pi->chan[j]); /* free mch_t struct */
+        }
+        OS_kfree (pi->regram_saved);
+    }
+#if 0
+    /* obsolete - watchdog is now static w/in ci_t */
+    OS_free_watchdog (ci->wd);
+#endif
+    OS_kfree (ci->iqd_p_saved);
+    OS_kfree (ci);
+}
+#endif
+
+void
+rld_put_led (mpi_t * pi, u_int32_t ledval)
+{
+    static u_int32_t led = 0;
+
+    if (ledval == 0)
+        led = 0;
+    else
+        led |= ledval;
+
+    pci_write_32 ((u_int32_t *) &pi->up->cpldbase->leds, led);  /* RLD DEBUG TRANHANG */
+}
+
+
+#define MUSYCC_SR_RETRY_CNT  9
+
+void
+musycc_serv_req (mpi_t * pi, u_int32_t req)
+{
+    volatile u_int32_t r;
+    int         rcnt;
+
+    /*
+     * PORT NOTE: Semaphore protect service loop guarantees only a single
+     * operation at a time.  Per MUSYCC Manual - "Issuing service requests to
+     * the same channel group without first receiving ACK from each request
+     * may cause the host to lose track of which service request has been
+     * acknowledged."
+     */
+
+    SD_SEM_TAKE (&pi->sr_sem_busy, "serv");     /* only 1 thru here, per
+                                                 * group */
+
+    if (pi->sr_last == req)
+    {
+#ifdef RLD_TRANS_DEBUG
+        printk (">> same SR, Port %d Req %x\n", pi->portnum, req);
+#endif
+
+        /*
+         * The most likely repeated request is the channel activation command
+         * which follows the occurrence of a Transparent mode TX ONR or a
+         * BUFF error.  If the previous command was a CHANNEL ACTIVATE,
+         * precede it with a NOOP command in order maintain coherent control
+         * of this current (re)ACTIVATE.
+         */
+
+        r = (pi->sr_last & ~SR_GCHANNEL_MASK);
+        if ((r == (SR_CHANNEL_ACTIVATE | SR_TX_DIRECTION)) ||
+            (r == (SR_CHANNEL_ACTIVATE | SR_RX_DIRECTION)))
+        {
+#ifdef RLD_TRANS_DEBUG
+            printk (">> same CHAN ACT SR, Port %d Req %x => issue SR_NOOP CMD\n", pi->portnum, req);
+#endif
+            SD_SEM_GIVE (&pi->sr_sem_busy);     /* allow this next request */
+            musycc_serv_req (pi, SR_NOOP);
+            SD_SEM_TAKE (&pi->sr_sem_busy, "serv");     /* relock & continue w/
+                                                         * original req */
+        } else if (req == SR_NOOP)
+        {
+            /* no need to issue back-to-back SR_NOOP commands at this time */
+#ifdef RLD_TRANS_DEBUG
+            printk (">> same Port SR_NOOP skipped, Port %d\n", pi->portnum);
+#endif
+            SD_SEM_GIVE (&pi->sr_sem_busy);     /* allow this next request */
+            return;
+        }
+    }
+    rcnt = 0;
+    pi->sr_last = req;
+rewrite:
+    pci_write_32 ((u_int32_t *) &pi->reg->srd, req);
+    FLUSH_MEM_WRITE ();
+
+    /*
+     * Per MUSYCC Manual, Section 6.1,2 - "When writing an SCR service
+     * request, the host must ensure at least one PCI bus clock cycle has
+     * elapsed before writing another service request.  To meet this minimum
+     * elapsed service request write timing interval, it is recommended that
+     * the host follow any SCR write with another operation which reads from
+     * the same address."
+     */
+    r = pci_read_32 ((u_int32_t *) &pi->reg->srd);      /* adhere to write
+                                                         * timing imposition */
+
+
+    if ((r != req) && (req != SR_CHIP_RESET) && (++rcnt <= MUSYCC_SR_RETRY_CNT))
+    {
+        if (log_level >= LOG_MONITOR)
+            printk ("%s: %d - reissue srv req/last %x/%x (hdw reads %x), Chan %d.\n",
+                    pi->up->devname, rcnt, req, pi->sr_last, r,
+                    (pi->portnum * MUSYCC_NCHANS) + (req & 0x1f));
+        OS_uwait_dummy ();          /* this delay helps reduce reissue counts
+                                     * (reason not yet researched) */
+        goto rewrite;
+    }
+    if (rcnt > MUSYCC_SR_RETRY_CNT)
+    {
+        printk (KERN_WARNING "%s: failed service request (#%d)= %x, group %d.\n",
+                pi->up->devname, MUSYCC_SR_RETRY_CNT, req, pi->portnum);
+        SD_SEM_GIVE (&pi->sr_sem_busy); /* allow any next request */
+        return;
+    }
+    if (req == SR_CHIP_RESET)
+    {
+        /*
+         * PORT NOTE: the CHIP_RESET command is NOT ack'd by the MUSYCC, thus
+         * the upcoming delay is used.  Though the MUSYCC documentation
+         * suggests a read-after-write would supply the required delay, it's
+         * unclear what CPU/BUS clock speeds might have been assumed when
+         * suggesting this 'lack of ACK' workaround.  Thus the use of uwait.
+         */
+        OS_uwait (100000, "icard"); /* 100ms */
+    } else
+    {
+        FLUSH_MEM_READ ();
+        SD_SEM_TAKE (&pi->sr_sem_wait, "sakack");       /* sleep until SACK
+                                                         * interrupt occurs */
+    }
+    SD_SEM_GIVE (&pi->sr_sem_busy); /* allow any next request */
+}
+
+
+#ifdef  SBE_PMCC4_ENABLE
+void
+musycc_update_timeslots (mpi_t * pi)
+{
+    int         i, ch;
+    char        e1mode = IS_FRAME_ANY_E1 (pi->p.port_mode);
+
+    for (i = 0; i < 32; i++)
+    {
+        int         usedby = 0, last = 0, ts, j, bits[8];
+
+        u_int8_t lastval = 0;
+
+        if (((i == 0) && e1mode) || /* disable if  E1 mode */
+            ((i == 16) && ((pi->p.port_mode == CFG_FRAME_E1CRC_CAS) || (pi->p.port_mode == CFG_FRAME_E1CRC_CAS_AMI)))
+            || ((i > 23) && (!e1mode))) /* disable if T1 mode */
+        {
+            pi->tsm[i] = 0xff;      /* make tslot unavailable for this mode */
+        } else
+        {
+            pi->tsm[i] = 0x00;      /* make tslot available for assignment */
+        }
+        for (j = 0; j < 8; j++)
+            bits[j] = -1;
+        for (ch = 0; ch < MUSYCC_NCHANS; ch++)
+        {
+            if ((pi->chan[ch]->state == UP) && (pi->chan[ch]->p.bitmask[i]))
+            {
+                usedby++;
+                last = ch;
+                lastval = pi->chan[ch]->p.bitmask[i];
+                for (j = 0; j < 8; j++)
+                    if (lastval & (1 << j))
+                        bits[j] = ch;
+                pi->tsm[i] |= lastval;
+            }
+        }
+        if (!usedby)
+            ts = 0;
+        else if ((usedby == 1) && (lastval == 0xff))
+            ts = (4 << 5) | last;
+        else if ((usedby == 1) && (lastval == 0x7f))
+            ts = (5 << 5) | last;
+        else
+        {
+            int         idx;
+
+            if (bits[0] < 0)
+                ts = (6 << 5) | (idx = last);
+            else
+                ts = (7 << 5) | (idx = bits[0]);
+            for (j = 1; j < 8; j++)
+            {
+                pi->regram->rscm[idx * 8 + j] = (bits[j] < 0) ? 0 : (0x80 | bits[j]);
+                pi->regram->tscm[idx * 8 + j] = (bits[j] < 0) ? 0 : (0x80 | bits[j]);
+            }
+        }
+        pi->regram->rtsm[i] = ts;
+        pi->regram->ttsm[i] = ts;
+    }
+    FLUSH_MEM_WRITE ();
+
+    musycc_serv_req (pi, SR_TIMESLOT_MAP | SR_RX_DIRECTION);
+    musycc_serv_req (pi, SR_TIMESLOT_MAP | SR_TX_DIRECTION);
+    musycc_serv_req (pi, SR_SUBCHANNEL_MAP | SR_RX_DIRECTION);
+    musycc_serv_req (pi, SR_SUBCHANNEL_MAP | SR_TX_DIRECTION);
+}
+#endif
+
+
+#ifdef SBE_WAN256T3_ENABLE
+void
+musycc_update_timeslots (mpi_t * pi)
+{
+    mch_t      *ch;
+
+    u_int8_t    ts, hmask, tsen;
+    int         gchan;
+    int         i;
+
+#ifdef SBE_PMCC4_ENABLE
+    hmask = (0x1f << pi->up->p.hypersize) & 0x1f;
+#endif
+#ifdef SBE_WAN256T3_ENABLE
+    hmask = (0x1f << hyperdummy) & 0x1f;
+#endif
+    for (i = 0; i < 128; i++)
+    {
+        gchan = ((pi->portnum * MUSYCC_NCHANS) + (i & hmask)) % MUSYCC_NCHANS;
+        ch = pi->chan[gchan];
+        if (ch->p.mode_56k)
+            tsen = MODE_56KBPS;
+        else
+            tsen = MODE_64KBPS;     /* also the default */
+        ts = ((pi->portnum % 4) == (i / 32)) ? (tsen << 5) | (i & hmask) : 0;
+        pi->regram->rtsm[i] = ts;
+        pi->regram->ttsm[i] = ts;
+    }
+    FLUSH_MEM_WRITE ();
+    musycc_serv_req (pi, SR_TIMESLOT_MAP | SR_RX_DIRECTION);
+    musycc_serv_req (pi, SR_TIMESLOT_MAP | SR_TX_DIRECTION);
+}
+#endif
+
+
+ /*
+  * This routine converts a generic library channel configuration parameter
+  * into a hardware specific register value (IE. MUSYCC CCD Register).
+  */
+u_int32_t
+musycc_chan_proto (int proto)
+{
+    int         reg;
+
+    switch (proto)
+    {
+    case CFG_CH_PROTO_TRANS:        /* 0 */
+        reg = MUSYCC_CCD_TRANS;
+        break;
+    case CFG_CH_PROTO_SS7:          /* 1 */
+        reg = MUSYCC_CCD_SS7;
+        break;
+    default:
+    case CFG_CH_PROTO_ISLP_MODE:   /* 4 */
+    case CFG_CH_PROTO_HDLC_FCS16:  /* 2 */
+        reg = MUSYCC_CCD_HDLC_FCS16;
+        break;
+    case CFG_CH_PROTO_HDLC_FCS32:  /* 3 */
+        reg = MUSYCC_CCD_HDLC_FCS32;
+        break;
+    }
+
+    return reg;
+}
+
+#ifdef SBE_WAN256T3_ENABLE
+STATIC void __init
+musycc_init_port (mpi_t * pi)
+{
+    pci_write_32 ((u_int32_t *) &pi->reg->gbp, OS_vtophys (pi->regram));
+
+    pi->regram->grcd =
+        __constant_cpu_to_le32 (MUSYCC_GRCD_RX_ENABLE |
+                                MUSYCC_GRCD_TX_ENABLE |
+                                MUSYCC_GRCD_SF_ALIGN |
+                                MUSYCC_GRCD_SUBCHAN_DISABLE |
+                                MUSYCC_GRCD_OOFMP_DISABLE |
+                                MUSYCC_GRCD_COFAIRQ_DISABLE |
+                                MUSYCC_GRCD_MC_ENABLE |
+                       (MUSYCC_GRCD_POLLTH_32 << MUSYCC_GRCD_POLLTH_SHIFT));
+
+    pi->regram->pcd =
+        __constant_cpu_to_le32 (MUSYCC_PCD_E1X4_MODE |
+                                MUSYCC_PCD_TXDATA_RISING |
+                                MUSYCC_PCD_TX_DRIVEN);
+
+    /* Message length descriptor */
+    pi->regram->mld = __constant_cpu_to_le32 (max_mru | (max_mru << 16));
+    FLUSH_MEM_WRITE ();
+
+    musycc_serv_req (pi, SR_GROUP_INIT | SR_RX_DIRECTION);
+    musycc_serv_req (pi, SR_GROUP_INIT | SR_TX_DIRECTION);
+
+    musycc_init_mdt (pi);
+
+    musycc_update_timeslots (pi);
+}
+#endif
+
+
+status_t    __init
+musycc_init (ci_t * ci)
+{
+    char       *regaddr;        /* temp for address boundary calculations */
+    int         i, gchan;
+
+    OS_sem_init (&ci->sem_wdbusy, SEM_AVAILABLE);       /* watchdog exclusion */
+
+    /*
+     * Per MUSYCC manual, Section 6.3.4 - "The host must allocate a dword
+     * aligned memory segment for interrupt queue pointers."
+     */
+
+#define INT_QUEUE_BOUNDARY  4
+
+    regaddr = OS_kmalloc ((INT_QUEUE_SIZE + 1) * sizeof (u_int32_t));
+    if (regaddr == 0)
+        return ENOMEM;
+    ci->iqd_p_saved = regaddr;      /* save orig value for free's usage */
+    ci->iqd_p = (u_int32_t *) ((unsigned long) (regaddr + INT_QUEUE_BOUNDARY - 1) &
+                               (~(INT_QUEUE_BOUNDARY - 1)));    /* this calculates
+                                                                 * closest boundary */
+
+    for (i = 0; i < INT_QUEUE_SIZE; i++)
+    {
+        ci->iqd_p[i] = __constant_cpu_to_le32 (INT_EMPTY_ENTRY);
+    }
+
+    for (i = 0; i < ci->max_port; i++)
+    {
+        mpi_t      *pi = &ci->port[i];
+
+        /*
+         * Per MUSYCC manual, Section 6.3.2 - "The host must allocate a 2KB
+         * bound memory segment for Channel Group 0."
+         */
+
+#define GROUP_BOUNDARY   0x800
+
+        regaddr = OS_kmalloc (sizeof (struct musycc_groupr) + GROUP_BOUNDARY);
+        if (regaddr == 0)
+        {
+            for (gchan = 0; gchan < i; gchan++)
+            {
+                pi = &ci->port[gchan];
+                OS_kfree (pi->reg);
+                pi->reg = 0;
+            }
+            return ENOMEM;
+        }
+        pi->regram_saved = regaddr; /* save orig value for free's usage */
+        pi->regram = (struct musycc_groupr *) ((unsigned long) (regaddr + GROUP_BOUNDARY - 1) &
+                                               (~(GROUP_BOUNDARY - 1)));        /* this calculates
+                                                                                 * closest boundary */
+    }
+
+    /* any board centric MUSYCC commands will use group ZERO as its "home" */
+    ci->regram = ci->port[0].regram;
+    musycc_serv_req (&ci->port[0], SR_CHIP_RESET);
+
+    pci_write_32 ((u_int32_t *) &ci->reg->gbp, OS_vtophys (ci->regram));
+    pci_flush_write (ci);
+#ifdef CONFIG_SBE_PMCC4_NCOMM
+    ci->regram->__glcd = __constant_cpu_to_le32 (GCD_MAGIC);
+#else
+    /* standard driver POLLS for INTB via CPLD register */
+    ci->regram->__glcd = __constant_cpu_to_le32 (GCD_MAGIC | MUSYCC_GCD_INTB_DISABLE);
+#endif
+
+    ci->regram->__iqp = cpu_to_le32 (OS_vtophys (&ci->iqd_p[0]));
+    ci->regram->__iql = __constant_cpu_to_le32 (INT_QUEUE_SIZE - 1);
+    pci_write_32 ((u_int32_t *) &ci->reg->dacbp, 0);
+    FLUSH_MEM_WRITE ();
+
+    ci->state = C_RUNNING;          /* mark as full interrupt processing
+                                     * available */
+
+    musycc_serv_req (&ci->port[0], SR_GLOBAL_INIT);     /* FIRST INTERRUPT ! */
+
+    /* sanity check settable parameters */
+
+    if (max_mru > 0xffe)
+    {
+        printk (KERN_WARNING "%s: Maximum allowed MRU exceeded, resetting %d to %d.\n",
+                THIS_MODULE->name, max_mru, 0xffe);
+        max_mru = 0xffe;
+    }
+    if (max_mtu > 0xffe)
+    {
+        printk (KERN_WARNING "%s: Maximum allowed MTU exceeded, resetting %d to %d.\n",
+                THIS_MODULE->name, max_mtu, 0xffe);
+        max_mtu = 0xffe;
+    }
+#ifdef SBE_WAN256T3_ENABLE
+    for (i = 0; i < MUSYCC_NPORTS; i++)
+        musycc_init_port (&ci->port[i]);
+#endif
+
+    return SBE_DRVR_SUCCESS;        /* no error */
+}
+
+
+void
+musycc_bh_tx_eom (mpi_t * pi, int gchan)
+{
+    mch_t      *ch;
+    struct mdesc *md;
+
+#if 0
+#ifndef SBE_ISR_INLINE
+    unsigned long flags;
+
+#endif
+#endif
+    volatile u_int32_t status;
+
+    ch = pi->chan[gchan];
+    if (ch == 0 || ch->state != UP)
+    {
+        if (log_level >= LOG_ERROR)
+            printk ("%s: intr: xmit EOM on uninitialized channel %d\n", pi->up->devname, gchan);
+    }
+    if (ch == 0 || ch->mdt == 0)
+        return;                     /* note: mdt==0 implies a malloc()
+                                     * failure w/in chan_up() routine */
+
+#if 0
+#ifdef SBE_ISR_INLINE
+    spin_lock_irq (&ch->ch_txlock);
+#else
+    spin_lock_irqsave (&ch->ch_txlock, flags);
+#endif
+#endif
+    do
+    {
+        FLUSH_MEM_READ ();
+        md = ch->txd_irq_srv;
+        status = le32_to_cpu (md->status);
+
+        /*
+         * Note: Per MUSYCC Ref 6.4.9, the host does not poll a host-owned
+         * Transmit Buffer Descriptor during Transparent Mode.
+         */
+        if (status & MUSYCC_TX_OWNED)
+        {
+            int         readCount, loopCount;
+
+            /***********************************************************/
+            /* HW Bug Fix                                              */
+            /* ----------                                              */
+            /* Under certain PCI Bus loading conditions, the data      */
+            /* associated with an update of Shared Memory is delayed   */
+            /* relative to its PCI Interrupt.  This is caught when     */
+            /* the host determines it does not yet OWN the descriptor. */
+            /***********************************************************/
+
+            readCount = 0;
+            while (status & MUSYCC_TX_OWNED)
+            {
+                for (loopCount = 0; loopCount < 0x30; loopCount++)
+                    OS_uwait_dummy ();  /* use call to avoid optimization
+                                         * removal of dummy delay */
+                FLUSH_MEM_READ ();
+                status = le32_to_cpu (md->status);
+                if (readCount++ > 40)
+                    break;          /* don't wait any longer */
+            }
+            if (status & MUSYCC_TX_OWNED)
+            {
+                if (log_level >= LOG_MONITOR)
+                {
+                    printk ("%s: Port %d Chan %2d - unexpected TX msg ownership intr (md %p sts %x)\n",
+                     pi->up->devname, pi->portnum, ch->channum, md, status);
+                    printk ("++ User 0x%p IRQ_SRV 0x%p USR_ADD 0x%p QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
+                            ch->user, ch->txd_irq_srv, ch->txd_usr_add,
+                            sd_queue_stopped (ch->user),
+                            ch->ch_start_tx, ch->tx_full, ch->txd_free, ch->p.chan_mode);
+                    musycc_dump_txbuffer_ring (ch, 0);
+                }
+                break;              /* Not our mdesc, done */
+            } else
+            {
+                if (log_level >= LOG_MONITOR)
+                    printk ("%s: Port %d Chan %2d - recovered TX msg ownership [%d] (md %p sts %x)\n",
+                            pi->up->devname, pi->portnum, ch->channum, readCount, md, status);
+            }
+        }
+        ch->txd_irq_srv = md->snext;
+
+        md->data = 0;
+        if (md->mem_token != 0)
+        {
+            /* upcount channel */
+            atomic_sub (OS_mem_token_tlen (md->mem_token), &ch->tx_pending);
+            /* upcount card */
+            atomic_sub (OS_mem_token_tlen (md->mem_token), &pi->up->tx_pending);
+#ifdef SBE_WAN256T3_ENABLE
+            if (!atomic_read (&pi->up->tx_pending))
+                wan256t3_led (pi->up, LED_TX, 0);
+#endif
+
+#ifdef CONFIG_SBE_WAN256T3_NCOMM
+            /* callback that our packet was sent */
+            {
+                int         hdlcnum = (pi->portnum * 32 + gchan);
+
+                if (hdlcnum >= 228)
+                {
+                    if (nciProcess_TX_complete)
+                        (*nciProcess_TX_complete) (hdlcnum,
+                                                   getuserbychan (gchan));
+                }
+            }
+#endif                              /*** CONFIG_SBE_WAN256T3_NCOMM ***/
+
+            OS_mem_token_free_irq (md->mem_token);
+            md->mem_token = 0;
+        }
+        md->status = 0;
+#ifdef RLD_TXFULL_DEBUG
+        if (log_level >= LOG_MONITOR2)
+            printk ("~~ tx_eom: tx_full %x  txd_free %d -> %d\n", ch->tx_full, ch->txd_free, ch->txd_free + 1);
+#endif
+        ++ch->txd_free;
+        FLUSH_MEM_WRITE ();
+
+        if ((ch->p.chan_mode != CFG_CH_PROTO_TRANS) && (status & EOBIRQ_ENABLE))
+        {
+            if (log_level >= LOG_MONITOR)
+                printk ("%s: Mode (%x) incorrect EOB status (%x)\n",
+                        pi->up->devname, ch->p.chan_mode, status);
+            if ((status & EOMIRQ_ENABLE) == 0)
+                break;
+        }
+    }
+    while ((ch->p.chan_mode != CFG_CH_PROTO_TRANS) && ((status & EOMIRQ_ENABLE) == 0));
+    /*
+     * NOTE: (The above 'while' is coupled w/ previous 'do', way above.) Each
+     * Transparent data buffer has the EOB bit, and NOT the EOM bit, set and
+     * will furthermore have a separate IQD associated with each messages
+     * buffer.
+     */
+
+    FLUSH_MEM_READ ();
+    /*
+     * Smooth flow control hysterisis by maintaining task stoppage until half
+     * the available write buffers are available.
+     */
+    if (ch->tx_full && (ch->txd_free >= (ch->txd_num / 2)))
+    {
+        /*
+         * Then, only releave task stoppage if we actually have enough
+         * buffers to service the last requested packet.  It may require MORE
+         * than half the available!
+         */
+        if (ch->txd_free >= ch->txd_required)
+        {
+
+#ifdef RLD_TXFULL_DEBUG
+            if (log_level >= LOG_MONITOR2)
+                printk ("tx_eom[%d]: enable xmit tx_full no more, txd_free %d txd_num/2 %d\n",
+                        ch->channum,
+                        ch->txd_free, ch->txd_num / 2);
+#endif
+            ch->tx_full = 0;
+            ch->txd_required = 0;
+            sd_enable_xmit (ch->user);  /* re-enable to catch flow controlled
+                                         * channel */
+        }
+    }
+#ifdef RLD_TXFULL_DEBUG
+    else if (ch->tx_full)
+    {
+        if (log_level >= LOG_MONITOR2)
+            printk ("tx_eom[%d]: bypass TX enable though room available? (txd_free %d txd_num/2 %d)\n",
+                    ch->channum,
+                    ch->txd_free, ch->txd_num / 2);
+    }
+#endif
+
+    FLUSH_MEM_WRITE ();
+#if 0
+#ifdef SBE_ISR_INLINE
+    spin_unlock_irq (&ch->ch_txlock);
+#else
+    spin_unlock_irqrestore (&ch->ch_txlock, flags);
+#endif
+#endif
+}
+
+
+STATIC void
+musycc_bh_rx_eom (mpi_t * pi, int gchan)
+{
+    mch_t      *ch;
+    void       *m, *m2;
+    struct mdesc *md;
+    volatile u_int32_t status;
+    u_int32_t   error;
+
+    ch = pi->chan[gchan];
+    if (ch == 0 || ch->state != UP)
+    {
+        if (log_level > LOG_ERROR)
+            printk ("%s: intr: receive EOM on uninitialized channel %d\n", pi->up->devname, gchan);
+        return;
+    }
+    if (ch->mdr == 0)
+        return;                     /* can this happen ? */
+
+    for (;;)
+    {
+        FLUSH_MEM_READ ();
+        md = &ch->mdr[ch->rxix_irq_srv];
+        status = le32_to_cpu (md->status);
+        if (!(status & HOST_RX_OWNED))
+            break;                  /* Not our mdesc, done */
+        m = md->mem_token;
+        error = (status >> 16) & 0xf;
+        if (error == 0)
+        {
+#ifdef CONFIG_SBE_WAN256T3_NCOMM
+            int         hdlcnum = (pi->portnum * 32 + gchan);
+
+            /*
+             * if the packet number belongs to NCOMM, then send it to the TMS
+             * driver
+             */
+            if (hdlcnum >= 228)
+            {
+                if (nciProcess_RX_packet)
+                    (*nciProcess_RX_packet) (hdlcnum, status & 0x3fff, m, ch->user);
+            } else
+#endif                              /*** CONFIG_SBE_WAN256T3_NCOMM ***/
+
+            {
+                if ((m2 = OS_mem_token_alloc (max_mru)))
+                {
+                    /* substitute the mbuf+cluster */
+                    md->mem_token = m2;
+                    md->data = cpu_to_le32 (OS_vtophys (OS_mem_token_data (m2)));
+
+                    /* pass the received mbuf upward */
+                    sd_recv_consume (m, status & LENGTH_MASK, ch->user);
+                    ch->s.rx_packets++;
+                    ch->s.rx_bytes += status & LENGTH_MASK;
+                } else
+                {
+                    ch->s.rx_dropped++;
+                }
+            }
+        } else if (error == ERR_FCS)
+        {
+            ch->s.rx_crc_errors++;
+        } else if (error == ERR_ALIGN)
+        {
+            ch->s.rx_missed_errors++;
+        } else if (error == ERR_ABT)
+        {
+            ch->s.rx_missed_errors++;
+        } else if (error == ERR_LNG)
+        {
+            ch->s.rx_length_errors++;
+        } else if (error == ERR_SHT)
+        {
+            ch->s.rx_length_errors++;
+        }
+        FLUSH_MEM_WRITE ();
+        status = max_mru;
+        if (ch->p.chan_mode == CFG_CH_PROTO_TRANS)
+            status |= EOBIRQ_ENABLE;
+        md->status = cpu_to_le32 (status);
+
+        /* Check next mdesc in the ring */
+        if (++ch->rxix_irq_srv >= ch->rxd_num)
+            ch->rxix_irq_srv = 0;
+        FLUSH_MEM_WRITE ();
+    }
+}
+
+
+irqreturn_t
+musycc_intr_th_handler (void *devp)
+{
+    ci_t       *ci = (ci_t *) devp;
+    volatile u_int32_t status, currInt = 0;
+    u_int32_t   nextInt, intCnt;
+
+    /*
+     * Hardware not available, potential interrupt hang.  But since interrupt
+     * might be shared, just return.
+     */
+    if (ci->state == C_INIT)
+    {
+        return IRQ_NONE;
+    }
+    /*
+     * Marked as hardware available. Don't service interrupts, just clear the
+     * event.
+     */
+
+    if (ci->state == C_IDLE)
+    {
+        status = pci_read_32 ((u_int32_t *) &ci->reg->isd);
+
+        /* clear the interrupt but process nothing else */
+        pci_write_32 ((u_int32_t *) &ci->reg->isd, status);
+        return IRQ_HANDLED;
+    }
+    FLUSH_PCI_READ ();
+    FLUSH_MEM_READ ();
+
+    status = pci_read_32 ((u_int32_t *) &ci->reg->isd);
+    nextInt = INTRPTS_NEXTINT (status);
+    intCnt = INTRPTS_INTCNT (status);
+    ci->intlog.drvr_intr_thcount++;
+
+    /*********************************************************/
+    /* HW Bug Fix                                            */
+    /* ----------                                            */
+    /* Under certain PCI Bus loading conditions, the         */
+    /* MUSYCC looses the data associated with an update      */
+    /* of its ISD and erroneously returns the immediately    */
+    /* preceding 'nextInt' value.  However, the 'intCnt'     */
+    /* value appears to be correct.  By not starting service */
+    /* where the 'missing' 'nextInt' SHOULD point causes     */
+    /* the IQD not to be serviced - the 'not serviced'       */
+    /* entries then remain and continue to increase as more  */
+    /* incorrect ISD's are encountered.                      */
+    /*********************************************************/
+
+    if (nextInt != INTRPTS_NEXTINT (ci->intlog.this_status_new))
+    {
+        if (log_level >= LOG_MONITOR)
+        {
+            printk ("%s: note - updated ISD from %08x to %08x\n",
+                    ci->devname, status,
+              (status & (~INTRPTS_NEXTINT_M)) | ci->intlog.this_status_new);
+        }
+        /*
+         * Replace bogus status with software corrected value.
+         *
+         * It's not known whether, during this problem occurrence, if the
+         * INTFULL bit is correctly reported or not.
+         */
+        status = (status & (~INTRPTS_NEXTINT_M)) | (ci->intlog.this_status_new);
+        nextInt = INTRPTS_NEXTINT (status);
+    }
+    /**********************************************/
+    /* Cn847x Bug Fix                             */
+    /* --------------                             */
+    /* Fix for inability to write back same index */
+    /* as read for a full interrupt queue.        */
+    /**********************************************/
+
+    if (intCnt == INT_QUEUE_SIZE)
+    {
+        currInt = ((intCnt - 1) + nextInt) & (INT_QUEUE_SIZE - 1);
+    } else
+        /************************************************/
+        /* Interrupt Write Location Issues              */
+        /* -------------------------------              */
+        /* When the interrupt status descriptor is      */
+        /* written, the interrupt line is de-asserted   */
+        /* by the Cn847x.  In the case of MIPS          */
+        /* microprocessors, this must occur at the      */
+        /* beginning of the interrupt handler so that   */
+        /* the interrupt handle is not re-entered due   */
+        /* to interrupt dis-assertion latency.          */
+        /* In the case of all other processors, this    */
+        /* action should occur at the end of the        */
+        /* interrupt handler to avoid overwriting the   */
+        /* interrupt queue.                             */
+        /************************************************/
+
+    if (intCnt)
+    {
+        currInt = (intCnt + nextInt) & (INT_QUEUE_SIZE - 1);
+    } else
+    {
+        /*
+         * NOTE: Servicing an interrupt whose ISD contains a count of ZERO
+         * can be indicative of a Shared Interrupt chain.  Our driver can be
+         * called from the system's interrupt handler as a matter of the OS
+         * walking the chain.  As the chain is walked, the interrupt will
+         * eventually be serviced by the correct driver/handler.
+         */
+#if 0
+        /* chained interrupt = not ours */
+        printk (">> %s: intCnt NULL, sts %x, possibly a chained interrupt!\n",
+                ci->devname, status);
+#endif
+        return IRQ_NONE;
+    }
+
+    ci->iqp_tailx = currInt;
+
+    currInt <<= INTRPTS_NEXTINT_S;
+    ci->intlog.last_status_new = ci->intlog.this_status_new;
+    ci->intlog.this_status_new = currInt;
+
+    if ((log_level >= LOG_WARN) && (status & INTRPTS_INTFULL_M))
+    {
+        printk ("%s: Interrupt queue full condition occurred\n", ci->devname);
+    }
+    if (log_level >= LOG_DEBUG)
+        printk ("%s: interrupts pending, isd @ 0x%p: %x curr %d cnt %d NEXT %d\n",
+                ci->devname, &ci->reg->isd,
+        status, nextInt, intCnt, (intCnt + nextInt) & (INT_QUEUE_SIZE - 1));
+
+    FLUSH_MEM_WRITE ();
+#if defined(SBE_ISR_TASKLET)
+    pci_write_32 ((u_int32_t *) &ci->reg->isd, currInt);
+    atomic_inc (&ci->bh_pending);
+    tasklet_schedule (&ci->ci_musycc_isr_tasklet);
+#elif defined(SBE_ISR_IMMEDIATE)
+    pci_write_32 ((u_int32_t *) &ci->reg->isd, currInt);
+    atomic_inc (&ci->bh_pending);
+    queue_task (&ci->ci_musycc_isr_tq, &tq_immediate);
+    mark_bh (IMMEDIATE_BH);
+#elif defined(SBE_ISR_INLINE)
+    (void) musycc_intr_bh_tasklet (ci);
+    pci_write_32 ((u_int32_t *) &ci->reg->isd, currInt);
+#endif
+    return IRQ_HANDLED;
+}
+
+
+#if defined(SBE_ISR_IMMEDIATE)
+unsigned long
+#else
+void
+#endif
+musycc_intr_bh_tasklet (ci_t * ci)
+{
+    mpi_t      *pi;
+    mch_t      *ch;
+    unsigned int intCnt;
+    volatile u_int32_t currInt = 0;
+    volatile unsigned int headx, tailx;
+    int         readCount, loopCount;
+    int         group, gchan, event, err, tx;
+    u_int32_t   badInt = INT_EMPTY_ENTRY;
+    u_int32_t   badInt2 = INT_EMPTY_ENTRY2;
+
+    /*
+     * Hardware not available, potential interrupt hang.  But since interrupt
+     * might be shared, just return.
+     */
+    if ((drvr_state != SBE_DRVR_AVAILABLE) || (ci->state == C_INIT))
+    {
+#if defined(SBE_ISR_IMMEDIATE)
+        return 0L;
+#else
+        return;
+#endif
+    }
+#if defined(SBE_ISR_TASKLET) || defined(SBE_ISR_IMMEDIATE)
+    if (drvr_state != SBE_DRVR_AVAILABLE)
+    {
+#if defined(SBE_ISR_TASKLET)
+        return;
+#elif defined(SBE_ISR_IMMEDIATE)
+        return 0L;
+#endif
+    }
+#elif defined(SBE_ISR_INLINE)
+    /* no semaphore taken, no double checks */
+#endif
+
+    ci->intlog.drvr_intr_bhcount++;
+    FLUSH_MEM_READ ();
+    {
+        unsigned int bh = atomic_read (&ci->bh_pending);
+
+        max_bh = max (bh, max_bh);
+    }
+    atomic_set (&ci->bh_pending, 0);/* if here, no longer pending */
+    while ((headx = ci->iqp_headx) != (tailx = ci->iqp_tailx))
+    {
+        intCnt = (tailx >= headx) ? (tailx - headx) : (tailx - headx + INT_QUEUE_SIZE);
+        currInt = le32_to_cpu (ci->iqd_p[headx]);
+
+        max_intcnt = max (intCnt, max_intcnt);  /* RLD DEBUG */
+
+        /**************************************************/
+        /* HW Bug Fix                                     */
+        /* ----------                                     */
+        /* The following code checks for the condition    */
+        /* of interrupt assertion before interrupt        */
+        /* queue update.  This is a problem on several    */
+        /* PCI-Local bridge chips found on some products. */
+        /**************************************************/
+
+        readCount = 0;
+        if ((currInt == badInt) || (currInt == badInt2))
+            ci->intlog.drvr_int_failure++;
+
+        while ((currInt == badInt) || (currInt == badInt2))
+        {
+            for (loopCount = 0; loopCount < 0x30; loopCount++)
+                OS_uwait_dummy ();  /* use call to avoid optimization removal
+                                     * of dummy delay */
+            FLUSH_MEM_READ ();
+            currInt = le32_to_cpu (ci->iqd_p[headx]);
+            if (readCount++ > 20)
+                break;
+        }
+
+        if ((currInt == badInt) || (currInt == badInt2))        /* catch failure of Bug
+                                                                 * Fix checking */
+        {
+            if (log_level >= LOG_WARN)
+                printk ("%s: Illegal Interrupt Detected @ 0x%p, mod %d.)\n",
+                        ci->devname, &ci->iqd_p[headx], headx);
+
+            /*
+             * If the descriptor has not recovered, then leaving the EMPTY
+             * entry set will not signal to the MUSYCC that this descriptor
+             * has been serviced. The Interrupt Queue can then start loosing
+             * available descriptors and MUSYCC eventually encounters and
+             * reports the INTFULL condition.  Per manual, changing any bit
+             * marks descriptor as available, thus the use of different
+             * EMPTY_ENTRY values.
+             */
+
+            if (currInt == badInt)
+            {
+                ci->iqd_p[headx] = __constant_cpu_to_le32 (INT_EMPTY_ENTRY2);
+            } else
+            {
+                ci->iqd_p[headx] = __constant_cpu_to_le32 (INT_EMPTY_ENTRY);
+            }
+            ci->iqp_headx = (headx + 1) & (INT_QUEUE_SIZE - 1); /* insure wrapness */
+            FLUSH_MEM_WRITE ();
+            FLUSH_MEM_READ ();
+            continue;
+        }
+        group = INTRPT_GRP (currInt);
+        gchan = INTRPT_CH (currInt);
+        event = INTRPT_EVENT (currInt);
+        err = INTRPT_ERROR (currInt);
+        tx = currInt & INTRPT_DIR_M;
+
+        ci->iqd_p[headx] = __constant_cpu_to_le32 (INT_EMPTY_ENTRY);
+        FLUSH_MEM_WRITE ();
+
+        if (log_level >= LOG_DEBUG)
+        {
+            if (err != 0)
+                printk (" %08x -> err: %2d,", currInt, err);
+
+            printk ("+ interrupt event: %d, grp: %d, chan: %2d, side: %cX\n",
+                    event, group, gchan, tx ? 'T' : 'R');
+        }
+        pi = &ci->port[group];      /* notice that here we assume 1-1 group -
+                                     * port mapping */
+        ch = pi->chan[gchan];
+        switch (event)
+        {
+        case EVE_SACK:              /* Service Request Acknowledge */
+            if (log_level >= LOG_DEBUG)
+            {
+                volatile u_int32_t r;
+
+                r = pci_read_32 ((u_int32_t *) &pi->reg->srd);
+                printk ("- SACK cmd: %08x (hdw= %08x)\n", pi->sr_last, r);
+            }
+            SD_SEM_GIVE (&pi->sr_sem_wait);     /* wake up waiting process */
+            break;
+        case EVE_CHABT:     /* Change To Abort Code (0x7e -> 0xff) */
+        case EVE_CHIC:              /* Change To Idle Code (0xff -> 0x7e) */
+            break;
+        case EVE_EOM:               /* End Of Message */
+        case EVE_EOB:               /* End Of Buffer (Transparent mode) */
+            if (tx)
+            {
+                musycc_bh_tx_eom (pi, gchan);
+            } else
+            {
+                musycc_bh_rx_eom (pi, gchan);
+            }
+#if 0
+            break;
+#else
+            /*
+             * MUSYCC Interrupt Descriptor section states that EOB and EOM
+             * can be combined with the NONE error (as well as others).  So
+             * drop thru to catch this...
+             */
+#endif
+        case EVE_NONE:
+            if (err == ERR_SHT)
+            {
+                ch->s.rx_length_errors++;
+            }
+            break;
+        default:
+            if (log_level >= LOG_WARN)
+                printk ("%s: unexpected interrupt event: %d, iqd[%d]: %08x, port: %d\n", ci->devname,
+                        event, headx, currInt, group);
+            break;
+        }                           /* switch on event */
+
+
+        /*
+         * Per MUSYCC Manual, Section 6.4.8.3 [Transmit Errors], TX errors
+         * are service-affecting and require action to resume normal
+         * bit-level processing.
+         */
+
+        switch (err)
+        {
+        case ERR_ONR:
+            /*
+             * Per MUSYCC manual, Section  6.4.8.3 [Transmit Errors], this
+             * error requires Transmit channel reactivation.
+             *
+             * Per MUSYCC manual, Section  6.4.8.4 [Receive Errors], this error
+             * requires Receive channel reactivation.
+             */
+            if (tx)
+            {
+
+                /*
+                 * TX ONR Error only occurs when channel is configured for
+                 * Transparent Mode.  However, this code will catch and
+                 * re-activate on ANY TX ONR error.
+                 */
+
+                /*
+                 * Set flag to re-enable on any next transmit attempt.
+                 */
+                ch->ch_start_tx = CH_START_TX_ONR;
+
+                {
+#ifdef RLD_TRANS_DEBUG
+                    if (1 || log_level >= LOG_MONITOR)
+#else
+                    if (log_level >= LOG_MONITOR)
+#endif
+                    {
+                        printk ("%s: TX buffer underflow [ONR] on channel %d, mode %x QStopped %x free %d\n",
+                                ci->devname, ch->channum, ch->p.chan_mode, sd_queue_stopped (ch->user), ch->txd_free);
+#ifdef RLD_DEBUG
+                        if (ch->p.chan_mode == 2)       /* problem = ONR on HDLC
+                                                         * mode */
+                        {
+                            printk ("++ Failed Last %x Next %x QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
+                                    (u_int32_t) ch->txd_irq_srv, (u_int32_t) ch->txd_usr_add,
+                                    sd_queue_stopped (ch->user),
+                                    ch->ch_start_tx, ch->tx_full, ch->txd_free, ch->p.chan_mode);
+                            musycc_dump_txbuffer_ring (ch, 0);
+                        }
+#endif
+                    }
+                }
+            } else                  /* RX buffer overrun */
+            {
+                /*
+                 * Per MUSYCC manual, Section 6.4.8.4 [Receive Errors],
+                 * channel recovery for this RX ONR error IS required.  It is
+                 * also suggested to increase the number of receive buffers
+                 * for this channel.  Receive channel reactivation IS
+                 * required, and data has been lost.
+                 */
+                ch->s.rx_over_errors++;
+                ch->ch_start_rx = CH_START_RX_ONR;
+
+                if (log_level >= LOG_WARN)
+                {
+                    printk ("%s: RX buffer overflow [ONR] on channel %d, mode %x\n",
+                            ci->devname, ch->channum, ch->p.chan_mode);
+                    //musycc_dump_rxbuffer_ring (ch, 0);        /* RLD DEBUG */
+                }
+            }
+            musycc_chan_restart (ch);
+            break;
+        case ERR_BUF:
+            if (tx)
+            {
+                ch->s.tx_fifo_errors++;
+                ch->ch_start_tx = CH_START_TX_BUF;
+                /*
+                 * Per MUSYCC manual, Section  6.4.8.3 [Transmit Errors],
+                 * this BUFF error requires Transmit channel reactivation.
+                 */
+                if (log_level >= LOG_MONITOR)
+                    printk ("%s: TX buffer underrun [BUFF] on channel %d, mode %x\n",
+                            ci->devname, ch->channum, ch->p.chan_mode);
+            } else                  /* RX buffer overrun */
+            {
+                ch->s.rx_over_errors++;
+                /*
+                 * Per MUSYCC manual, Section 6.4.8.4 [Receive Errors], HDLC
+                 * mode requires NO recovery for this RX BUFF error is
+                 * required.  It is suggested to increase the FIFO buffer
+                 * space for this channel.  Receive channel reactivation is
+                 * not required, but data has been lost.
+                 */
+                if (log_level >= LOG_WARN)
+                    printk ("%s: RX buffer overrun [BUFF] on channel %d, mode %x\n",
+                            ci->devname, ch->channum, ch->p.chan_mode);
+                /*
+                 * Per MUSYCC manual, Section 6.4.9.4 [Receive Errors],
+                 * Transparent mode DOES require recovery for the RX BUFF
+                 * error.  It is suggested to increase the FIFO buffer space
+                 * for this channel.  Receive channel reactivation IS
+                 * required and data has been lost.
+                 */
+                if (ch->p.chan_mode == CFG_CH_PROTO_TRANS)
+                    ch->ch_start_rx = CH_START_RX_BUF;
+            }
+
+            if (tx || (ch->p.chan_mode == CFG_CH_PROTO_TRANS))
+                musycc_chan_restart (ch);
+            break;
+        default:
+            break;
+        }                           /* switch on err */
+
+        /* Check for interrupt lost condition */
+        if ((currInt & INTRPT_ILOST_M) && (log_level >= LOG_ERROR))
+        {
+            printk ("%s: Interrupt queue overflow - ILOST asserted\n",
+                    ci->devname);
+        }
+        ci->iqp_headx = (headx + 1) & (INT_QUEUE_SIZE - 1);     /* insure wrapness */
+        FLUSH_MEM_WRITE ();
+        FLUSH_MEM_READ ();
+    }                               /* while */
+    if ((log_level >= LOG_MONITOR2) && (ci->iqp_headx != ci->iqp_tailx))
+    {
+        int         bh;
+
+        bh = atomic_read (&CI->bh_pending);
+        printk ("_bh_: late arrivals, head %d != tail %d, pending %d\n",
+                ci->iqp_headx, ci->iqp_tailx, bh);
+    }
+#if defined(SBE_ISR_IMMEDIATE)
+    return 0L;
+#endif
+    /* else, nothing returned */
+}
+
+#if 0
+int         __init
+musycc_new_chan (ci_t * ci, int channum, void *user)
+{
+    mch_t      *ch;
+
+    ch = ci->port[channum / MUSYCC_NCHANS].chan[channum % MUSYCC_NCHANS];
+
+    if (ch->state != UNASSIGNED)
+        return EEXIST;
+    /* NOTE: mch_t already cleared during OS_kmalloc() */
+    ch->state = DOWN;
+    ch->user = user;
+#if 0
+    ch->status = 0;
+    ch->p.status = 0;
+    ch->p.intr_mask = 0;
+#endif
+    ch->p.chan_mode = CFG_CH_PROTO_HDLC_FCS16;
+    ch->p.idlecode = CFG_CH_FLAG_7E;
+    ch->p.pad_fill_count = 2;
+    spin_lock_init (&ch->ch_rxlock);
+    spin_lock_init (&ch->ch_txlock);
+
+    return 0;
+}
+#endif
+
+
+#ifdef SBE_PMCC4_ENABLE
+status_t
+musycc_chan_down (ci_t * dummy, int channum)
+{
+    mpi_t      *pi;
+    mch_t      *ch;
+    int         i, gchan;
+
+    if (!(ch = sd_find_chan (dummy, channum)))
+        return EINVAL;
+    pi = ch->up;
+    gchan = ch->gchan;
+
+    /* Deactivate the channel */
+    musycc_serv_req (pi, SR_CHANNEL_DEACTIVATE | SR_RX_DIRECTION | gchan);
+    ch->ch_start_rx = 0;
+    musycc_serv_req (pi, SR_CHANNEL_DEACTIVATE | SR_TX_DIRECTION | gchan);
+    ch->ch_start_tx = 0;
+
+    if (ch->state == DOWN)
+        return 0;
+    ch->state = DOWN;
+
+    pi->regram->thp[gchan] = 0;
+    pi->regram->tmp[gchan] = 0;
+    pi->regram->rhp[gchan] = 0;
+    pi->regram->rmp[gchan] = 0;
+    FLUSH_MEM_WRITE ();
+    for (i = 0; i < ch->txd_num; i++)
+    {
+        if (ch->mdt[i].mem_token != 0)
+            OS_mem_token_free (ch->mdt[i].mem_token);
+    }
+
+    for (i = 0; i < ch->rxd_num; i++)
+    {
+        if (ch->mdr[i].mem_token != 0)
+            OS_mem_token_free (ch->mdr[i].mem_token);
+    }
+
+    OS_kfree (ch->mdr);
+    ch->mdr = 0;
+    ch->rxd_num = 0;
+    OS_kfree (ch->mdt);
+    ch->mdt = 0;
+    ch->txd_num = 0;
+
+    musycc_update_timeslots (pi);
+    c4_fifo_free (pi, ch->gchan);
+
+    pi->openchans--;
+    return 0;
+}
+#endif
+
+
+int
+musycc_del_chan (ci_t * ci, int channum)
+{
+    mch_t      *ch;
+
+    if ((channum < 0) || (channum >= (MUSYCC_NPORTS * MUSYCC_NCHANS)))  /* sanity chk param */
+        return ECHRNG;
+    if (!(ch = sd_find_chan (ci, channum)))
+        return ENOENT;
+    if (ch->state == UP)
+        musycc_chan_down (ci, channum);
+    ch->state = UNASSIGNED;
+    return 0;
+}
+
+
+int
+musycc_del_chan_stats (ci_t * ci, int channum)
+{
+    mch_t      *ch;
+
+    if (channum < 0 || channum >= (MUSYCC_NPORTS * MUSYCC_NCHANS))      /* sanity chk param */
+        return ECHRNG;
+    if (!(ch = sd_find_chan (ci, channum)))
+        return ENOENT;
+
+    memset (&ch->s, 0, sizeof (struct sbecom_chan_stats));
+    return 0;
+}
+
+
+int
+musycc_start_xmit (ci_t * ci, int channum, void *mem_token)
+{
+    mch_t      *ch;
+    struct mdesc *md;
+    void       *m2;
+#if 0
+    unsigned long flags;
+#endif
+    int         txd_need_cnt;
+    u_int32_t   len;
+
+    if (!(ch = sd_find_chan (ci, channum)))
+        return ENOENT;
+
+    if (ci->state != C_RUNNING)     /* full interrupt processing available */
+        return EINVAL;
+    if (ch->state != UP)
+        return EINVAL;
+
+    if (!(ch->status & TX_ENABLED))
+        return EROFS;               /* how else to flag unwritable state ? */
+
+#ifdef RLD_TRANS_DEBUGx
+    if (1 || log_level >= LOG_MONITOR2)
+#else
+    if (log_level >= LOG_MONITOR2)
+#endif
+    {
+        printk ("++ start_xmt[%d]: state %x start %x full %d free %d required %d stopped %x\n",
+                channum, ch->state, ch->ch_start_tx, ch->tx_full,
+                ch->txd_free, ch->txd_required, sd_queue_stopped (ch->user));
+    }
+    /***********************************************/
+    /** Determine total amount of data to be sent **/
+    /***********************************************/
+    m2 = mem_token;
+    txd_need_cnt = 0;
+    for (len = OS_mem_token_tlen (m2); len > 0;
+         m2 = (void *) OS_mem_token_next (m2))
+    {
+        if (!OS_mem_token_len (m2))
+            continue;
+        txd_need_cnt++;
+        len -= OS_mem_token_len (m2);
+    }
+
+    if (txd_need_cnt == 0)
+    {
+        if (log_level >= LOG_MONITOR2)
+            printk ("%s channel %d: no TX data in User buffer\n", ci->devname, channum);
+        OS_mem_token_free (mem_token);
+        return 0;                   /* no data to send */
+    }
+    /*************************************************/
+    /** Are there sufficient descriptors available? **/
+    /*************************************************/
+    if (txd_need_cnt > ch->txd_num) /* never enough descriptors for this
+                                     * large a buffer */
+    {
+        if (log_level >= LOG_DEBUG)
+        {
+            printk ("start_xmit: discarding buffer, insufficient descriptor cnt %d, need %d.\n",
+                    ch->txd_num, txd_need_cnt + 1);
+        }
+        ch->s.tx_dropped++;
+        OS_mem_token_free (mem_token);
+        return 0;
+    }
+#if 0
+    spin_lock_irqsave (&ch->ch_txlock, flags);
+#endif
+    /************************************************************/
+    /** flow control the line if not enough descriptors remain **/
+    /************************************************************/
+    if (txd_need_cnt > ch->txd_free)
+    {
+        if (log_level >= LOG_MONITOR2)
+        {
+            printk ("start_xmit[%d]: EBUSY - need more descriptors, have %d of %d need %d\n",
+                    channum, ch->txd_free, ch->txd_num, txd_need_cnt);
+        }
+        ch->tx_full = 1;
+        ch->txd_required = txd_need_cnt;
+        sd_disable_xmit (ch->user);
+#if 0
+        spin_unlock_irqrestore (&ch->ch_txlock, flags);
+#endif
+        return EBUSY;               /* tell user to try again later */
+    }
+    /**************************************************/
+    /** Put the user data into MUSYCC data buffer(s) **/
+    /**************************************************/
+    m2 = mem_token;
+    md = ch->txd_usr_add;           /* get current available descriptor */
+
+    for (len = OS_mem_token_tlen (m2); len > 0; m2 = OS_mem_token_next (m2))
+    {
+        int         u = OS_mem_token_len (m2);
+
+        if (!u)
+            continue;
+        len -= u;
+
+        /*
+         * Enable following chunks, yet wait to enable the FIRST chunk until
+         * after ALL subsequent chunks are setup.
+         */
+        if (md != ch->txd_usr_add)  /* not first chunk */
+            u |= MUSYCC_TX_OWNED;   /* transfer ownership from HOST to MUSYCC */
+
+        if (len)                    /* not last chunk */
+            u |= EOBIRQ_ENABLE;
+        else if (ch->p.chan_mode == CFG_CH_PROTO_TRANS)
+        {
+            /*
+             * Per MUSYCC Ref 6.4.9 for Transparent Mode, the host must
+             * always clear EOMIRQ_ENABLE in every Transmit Buffer Descriptor
+             * (IE. don't set herein).
+             */
+            u |= EOBIRQ_ENABLE;
+        } else
+            u |= EOMIRQ_ENABLE;     /* EOM, last HDLC chunk */
+
+
+        /* last chunk in hdlc mode */
+        u |= (ch->p.idlecode << IDLE_CODE);
+        if (ch->p.pad_fill_count)
+        {
+#if 0
+            /* NOOP NOTE: u_int8_t cannot be > 0xFF */
+            /* sanitize pad_fill_count for maximums allowed by hardware */
+            if (ch->p.pad_fill_count > EXTRA_FLAGS_MASK)
+                ch->p.pad_fill_count = EXTRA_FLAGS_MASK;
+#endif
+            u |= (PADFILL_ENABLE | (ch->p.pad_fill_count << EXTRA_FLAGS));
+        }
+        md->mem_token = len ? 0 : mem_token;    /* Fill in mds on last
+                                                 * segment, others set ZERO
+                                                 * so that entire token is
+                                                 * removed ONLY when ALL
+                                                 * segments have been
+                                                 * transmitted. */
+
+        md->data = cpu_to_le32 (OS_vtophys (OS_mem_token_data (m2)));
+        FLUSH_MEM_WRITE ();
+        md->status = cpu_to_le32 (u);
+        --ch->txd_free;
+        md = md->snext;
+    }
+    FLUSH_MEM_WRITE ();
+
+
+    /*
+     * Now transfer ownership of first chunk from HOST to MUSYCC in order to
+     * fire-off this XMIT.
+     */
+    ch->txd_usr_add->status |= __constant_cpu_to_le32 (MUSYCC_TX_OWNED);
+    FLUSH_MEM_WRITE ();
+    ch->txd_usr_add = md;
+
+    len = OS_mem_token_tlen (mem_token);
+    atomic_add (len, &ch->tx_pending);
+    atomic_add (len, &ci->tx_pending);
+    ch->s.tx_packets++;
+    ch->s.tx_bytes += len;
+#if 0
+    spin_unlock_irqrestore (&ch->ch_txlock, flags);   /* allow pending
+                                                       * interrupt to sneak
+                                                       * thru */
+#endif
+
+    /*
+     * If an ONR was seen, then channel requires poking to restart
+     * transmission.
+     */
+    if (ch->ch_start_tx)
+    {
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,41)
+        SD_SEM_TAKE (&ci->sem_wdbusy, "_wd_");  /* only 1 thru here, per
+                                                 * board */
+        if ((ch->ch_start_tx == CH_START_TX_ONR) && (ch->p.chan_mode == CFG_CH_PROTO_TRANS))
+        {
+            /* ONR restart transmission from background loop */
+            ci->wd_notify = WD_NOTIFY_ONR;      /* enabled global watchdog
+                                                 * scan-thru  */
+        } else
+        {
+            /* start first transmission from background loop */
+            ci->wd_notify = WD_NOTIFY_1TX;      /* enabled global watchdog
+                                                 * scan-thru  */
+        }
+        musycc_chan_restart (ch);
+        SD_SEM_GIVE (&ci->sem_wdbusy);
+#else
+        musycc_chan_restart (ch);
+#endif
+    }
+#ifdef SBE_WAN256T3_ENABLE
+    wan256t3_led (ci, LED_TX, LEDV_G);
+#endif
+    return 0;
+}
+
+
+#if 0
+int
+musycc_set_chan (ci_t * ci, int channum, struct sbecom_chan_param * p)
+{
+    mch_t      *ch;
+    int         rok = 0;
+    int         n = 0;
+
+    if (channum < 0 || channum >= (MUSYCC_NPORTS * MUSYCC_NCHANS))      /* sanity chk param */
+        return ECHRNG;
+    if (!(ch = sd_find_chan (ci, channum)))
+        return ENOENT;
+    if (ch->channum != p->channum)
+        return EINVAL;
+    if (sd_line_is_ok (ch->user))
+    {
+        rok = 1;
+        sd_line_is_down (ch->user);
+    }
+    if (ch->state == UP &&          /* bring down in current configuration */
+        (ch->p.status != p->status ||
+         ch->p.chan_mode != p->chan_mode ||
+         ch->p.intr_mask != p->intr_mask ||
+         ch->txd_free < ch->txd_num))
+    {
+        if ((n = musycc_chan_down (ci, channum)))
+            return n;
+        if (ch->p.mode_56k != p->mode_56k)
+        {
+            ch->p = *p;             /* copy in new parameters */
+            musycc_update_timeslots (&ci->port[ch->channum / MUSYCC_NCHANS]);
+        } else
+            ch->p = *p;             /* copy in new parameters */
+        if ((n = musycc_chan_up (ci, channum)))
+            return n;
+        sd_enable_xmit (ch->user);  /* re-enable to catch flow controlled
+                                     * channel */
+    } else
+    {
+        if (ch->p.mode_56k != p->mode_56k)
+        {
+            ch->p = *p;             /* copy in new parameters */
+            musycc_update_timeslots (&ci->port[ch->channum / MUSYCC_NCHANS]);
+        } else
+            ch->p = *p;             /* copy in new parameters */
+    }
+
+    if (rok)
+        sd_line_is_up (ch->user);
+    return 0;
+}
+#endif
+
+
+int
+musycc_get_chan (ci_t * ci, int channum, struct sbecom_chan_param * p)
+{
+    mch_t      *ch;
+
+#if 0
+    if (channum < 0 || channum >= (MUSYCC_NPORTS * MUSYCC_NCHANS))      /* sanity chk param */
+        return ECHRNG;
+#endif
+    if (!(ch = sd_find_chan (ci, channum)))
+        return ENOENT;
+    *p = ch->p;
+    return 0;
+}
+
+
+int
+musycc_get_chan_stats (ci_t * ci, int channum, struct sbecom_chan_stats * p)
+{
+    mch_t      *ch;
+
+    if (channum < 0 || channum >= (MUSYCC_NPORTS * MUSYCC_NCHANS))      /* sanity chk param */
+        return ECHRNG;
+    if (!(ch = sd_find_chan (ci, channum)))
+        return ENOENT;
+    *p = ch->s;
+    p->tx_pending = atomic_read (&ch->tx_pending);
+    return 0;
+}
+
+
+
+#ifdef SBE_WAN256T3_ENABLE
+int
+musycc_chan_down (ci_t * ci, int channum)
+{
+    mch_t      *ch;
+    mpi_t      *pi;
+    int         i, gchan;
+
+    if (!(ch = sd_find_chan (ci, channum)))
+        return EINVAL;
+    pi = ch->up;
+    gchan = ch->gchan;
+
+    /* Deactivate the channel */
+    musycc_serv_req (pi, SR_CHANNEL_DEACTIVATE | SR_RX_DIRECTION | gchan);
+    ch->ch_start_rx = 0;
+    musycc_serv_req (pi, SR_CHANNEL_DEACTIVATE | SR_TX_DIRECTION | gchan);
+    ch->ch_start_tx = 0;
+
+    if (ch->state == DOWN)
+        return 0;
+    ch->state = DOWN;
+
+    pi->regram->thp[gchan] = 0;
+    pi->regram->tmp[gchan] = 0;
+    pi->regram->rhp[gchan] = 0;
+    pi->regram->rmp[gchan] = 0;
+    FLUSH_MEM_WRITE ();
+    for (i = 0; i < ch->txd_num; i++)
+    {
+        if (ch->mdt[i].mem_token != 0)
+            OS_mem_token_free (ch->mdt[i].mem_token);
+    }
+
+    for (i = 0; i < ch->rxd_num; i++)
+    {
+        if (ch->mdr[i].mem_token != 0)
+            OS_mem_token_free (ch->mdr[i].mem_token);
+    }
+
+    OS_kfree (ch->mdt);
+    ch->mdt = 0;
+    OS_kfree (ch->mdr);
+    ch->mdr = 0;
+
+    return 0;
+}
+#endif
+
+/*** End-of-File ***/
diff --git a/drivers/staging/cxt1e1/musycc.h b/drivers/staging/cxt1e1/musycc.h
new file mode 100644
index 00000000000..d2c91ef686d
--- /dev/null
+++ b/drivers/staging/cxt1e1/musycc.h
@@ -0,0 +1,460 @@
+/*
+ * $Id: musycc.h,v 1.3 2005/09/28 00:10:08 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_MUSYCC_H_
+#define _INC_MUSYCC_H_
+
+/*-----------------------------------------------------------------------------
+ * musycc.h - Multichannel Synchronous Communications Controller
+ *            CN8778/8474A/8472A/8471A
+ *
+ * Copyright (C) 2002-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.3 $
+ * Last changed on $Date: 2005/09/28 00:10:08 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: musycc.h,v $
+ * Revision 1.3  2005/09/28 00:10:08  rickd
+ * Add GNU license info. Add PMCC4 PCI/DevIDs.  Implement new
+ * musycc reg&bits namings. Use PORTMAP_0 GCD grouping.
+ *
+ * Revision 1.2  2005/04/28 23:43:04  rickd
+ * Add RCS tracking heading.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+#if defined (__FreeBSD__) || defined (__NetBSD__)
+#include <sys/types.h>
+#else
+#include <linux/types.h>
+#endif
+
+#define VINT8   volatile u_int8_t
+#define VINT32  volatile u_int32_t
+
+#ifdef __cplusplus
+extern      "C"
+{
+#endif
+
+#include "pmcc4_defs.h"
+
+
+/*------------------------------------------------------------------------
+//      Vendor, Board Identification definitions
+//------------------------------------------------------------------------
+*/
+
+#define PCI_VENDOR_ID_CONEXANT   0x14f1
+#define PCI_DEVICE_ID_CN8471     0x8471
+#define PCI_DEVICE_ID_CN8472     0x8472
+#define PCI_DEVICE_ID_CN8474     0x8474
+#define PCI_DEVICE_ID_CN8478     0x8478
+#define PCI_DEVICE_ID_CN8500     0x8500
+#define PCI_DEVICE_ID_CN8501     0x8501
+#define PCI_DEVICE_ID_CN8502     0x8502
+#define PCI_DEVICE_ID_CN8503     0x8503
+
+#define INT_QUEUE_SIZE    MUSYCC_NIQD
+
+/* RAM image of MUSYCC registers layed out as a C structure */
+    struct musycc_groupr
+    {
+        VINT32      thp[32];    /* Transmit Head Pointer [5-29]           */
+        VINT32      tmp[32];    /* Transmit Message Pointer [5-30]        */
+        VINT32      rhp[32];    /* Receive Head Pointer [5-29]            */
+        VINT32      rmp[32];    /* Receive Message Pointer [5-30]         */
+        VINT8       ttsm[128];  /* Time Slot Map [5-22]                   */
+        VINT8       tscm[256];  /* Subchannel Map [5-24]                  */
+        VINT32      tcct[32];   /* Channel Configuration [5-26]           */
+        VINT8       rtsm[128];  /* Time Slot Map [5-22]                   */
+        VINT8       rscm[256];  /* Subchannel Map [5-24]                  */
+        VINT32      rcct[32];   /* Channel Configuration [5-26]           */
+        VINT32      __glcd;     /* Global Configuration Descriptor [5-10] */
+        VINT32      __iqp;      /* Interrupt Queue Pointer [5-36]         */
+        VINT32      __iql;      /* Interrupt Queue Length [5-36]          */
+        VINT32      grcd;       /* Group Configuration Descriptor [5-16]  */
+        VINT32      mpd;        /* Memory Protection Descriptor [5-18]    */
+        VINT32      mld;        /* Message Length Descriptor [5-20]       */
+        VINT32      pcd;        /* Port Configuration Descriptor [5-19]   */
+    };
+
+/* hardware MUSYCC registers layed out as a C structure */
+    struct musycc_globalr
+    {
+        VINT32      gbp;        /* Group Base Pointer                     */
+        VINT32      dacbp;      /* Dual Address Cycle Base Pointer        */
+        VINT32      srd;        /* Service Request Descriptor             */
+        VINT32      isd;        /* Interrupt Service Descriptor           */
+        /*
+         * adjust __thp due to above 4 registers, which are not contained
+         * within musycc_groupr[]. All __XXX[] are just place holders,
+         * anyhow.
+         */
+        VINT32      __thp[32 - 4];      /* Transmit Head Pointer [5-29]           */
+        VINT32      __tmp[32];  /* Transmit Message Pointer [5-30]        */
+        VINT32      __rhp[32];  /* Receive Head Pointer [5-29]            */
+        VINT32      __rmp[32];  /* Receive Message Pointer [5-30]         */
+        VINT8       ttsm[128];  /* Time Slot Map [5-22]                   */
+        VINT8       tscm[256];  /* Subchannel Map [5-24]                  */
+        VINT32      tcct[32];   /* Channel Configuration [5-26]           */
+        VINT8       rtsm[128];  /* Time Slot Map [5-22]                   */
+        VINT8       rscm[256];  /* Subchannel Map [5-24]                  */
+        VINT32      rcct[32];   /* Channel Configuration [5-26]           */
+        VINT32      glcd;       /* Global Configuration Descriptor [5-10] */
+        VINT32      iqp;        /* Interrupt Queue Pointer [5-36]         */
+        VINT32      iql;        /* Interrupt Queue Length [5-36]          */
+        VINT32      grcd;       /* Group Configuration Descriptor [5-16]  */
+        VINT32      mpd;        /* Memory Protection Descriptor [5-18]    */
+        VINT32      mld;        /* Message Length Descriptor [5-20]       */
+        VINT32      pcd;        /* Port Configuration Descriptor [5-19]   */
+        VINT32      rbist;      /* Receive BIST status [5-4]              */
+        VINT32      tbist;      /* Receive BIST status [5-4]              */
+    };
+
+/* Global Config Descriptor bit macros */
+#define MUSYCC_GCD_ECLK_ENABLE  0x00000800      /* EBUS clock enable */
+#define MUSYCC_GCD_INTEL_SELECT 0x00000400      /* MPU type select */
+#define MUSYCC_GCD_INTA_DISABLE 0x00000008      /* PCI INTA disable */
+#define MUSYCC_GCD_INTB_DISABLE 0x00000004      /* PCI INTB disable */
+#define MUSYCC_GCD_BLAPSE       12      /* Position index for BLAPSE bit
+                                         * field */
+#define MUSYCC_GCD_ALAPSE       8       /* Position index for ALAPSE bit
+                                         * field */
+#define MUSYCC_GCD_ELAPSE       4       /* Position index for ELAPSE bit
+                                         * field */
+#define MUSYCC_GCD_PORTMAP_3    3       /* Reserved */
+#define MUSYCC_GCD_PORTMAP_2    2       /* Port 0=>Grp 0,1,2,3; Port 1=>Grp
+                                         * 4,5,6,7 */
+#define MUSYCC_GCD_PORTMAP_1    1       /* Port 0=>Grp 0,1; Port 1=>Grp 2,3,
+                                         * etc... */
+#define MUSYCC_GCD_PORTMAP_0    0       /* Port 0=>Grp 0; Port 1=>Grp 2,
+                                         * etc... */
+
+/* and board specific assignments... */
+#ifdef SBE_WAN256T3_ENABLE
+#define BLAPSE_VAL      0
+#define ALAPSE_VAL      0
+#define ELAPSE_VAL      7
+#define PORTMAP_VAL     MUSYCC_GCD_PORTMAP_2
+#endif
+
+#ifdef SBE_PMCC4_ENABLE
+#define BLAPSE_VAL      7
+#define ALAPSE_VAL      3
+#define ELAPSE_VAL      7
+#define PORTMAP_VAL     MUSYCC_GCD_PORTMAP_0
+#endif
+
+#define GCD_MAGIC   (((BLAPSE_VAL)<<(MUSYCC_GCD_BLAPSE)) | \
+                     ((ALAPSE_VAL)<<(MUSYCC_GCD_ALAPSE)) | \
+                     ((ELAPSE_VAL)<<(MUSYCC_GCD_ELAPSE)) | \
+                     (MUSYCC_GCD_ECLK_ENABLE) | PORTMAP_VAL)
+
+/* Group Config Descriptor bit macros */
+#define MUSYCC_GRCD_RX_ENABLE       0x00000001  /* Enable receive processing */
+#define MUSYCC_GRCD_TX_ENABLE       0x00000002  /* Enable transmit processing */
+#define MUSYCC_GRCD_SUBCHAN_DISABLE 0x00000004  /* Master disable for
+                                                 * subchanneling */
+#define MUSYCC_GRCD_OOFMP_DISABLE   0x00000008  /* Out of Frame message
+                                                 * processing disabled all
+                                                 * channels */
+#define MUSYCC_GRCD_OOFIRQ_DISABLE  0x00000010  /* Out of Frame/In Frame irqs
+                                                 * disabled */
+#define MUSYCC_GRCD_COFAIRQ_DISABLE 0x00000020  /* Change of Frame Alignment
+                                                 * irq disabled */
+#define MUSYCC_GRCD_INHRBSD         0x00000100  /* Receive Buffer Status
+                                                 * overwrite disabled */
+#define MUSYCC_GRCD_INHTBSD         0x00000200  /* Transmit Buffer Status
+                                                 * overwrite disabled */
+#define MUSYCC_GRCD_SF_ALIGN        0x00008000  /* External frame sync */
+#define MUSYCC_GRCD_MC_ENABLE       0x00000040  /* Message configuration bits
+                                                 * copy enable. Conexant sez
+                                                 * turn this on */
+#define MUSYCC_GRCD_POLLTH_16       0x00000001  /* Poll every 16th frame */
+#define MUSYCC_GRCD_POLLTH_32       0x00000002  /* Poll every 32nd frame */
+#define MUSYCC_GRCD_POLLTH_64       0x00000003  /* Poll every 64th frame */
+#define MUSYCC_GRCD_POLLTH_SHIFT    10  /* Position index for poll throttle
+                                         * bit field */
+#define MUSYCC_GRCD_SUERM_THRESH_SHIFT 16       /* Position index for SUERM
+                                                 * count threshold */
+
+/* Port Config Descriptor bit macros */
+#define MUSYCC_PCD_E1X2_MODE       2    /* Port mode in bits 0-2. T1 and E1 */
+#define MUSYCC_PCD_E1X4_MODE       3    /* are defined in cn847x.h */
+#define MUSYCC_PCD_NX64_MODE       4
+#define MUSYCC_PCD_TXDATA_RISING   0x00000010   /* Sample Tx data on TCLK
+                                                 * rising edge */
+#define MUSYCC_PCD_TXSYNC_RISING   0x00000020   /* Sample Tx frame sync on
+                                                 * TCLK rising edge */
+#define MUSYCC_PCD_RXDATA_RISING   0x00000040   /* Sample Rx data on RCLK
+                                                 * rising edge */
+#define MUSYCC_PCD_RXSYNC_RISING   0x00000080   /* Sample Rx frame sync on
+                                                 * RCLK rising edge */
+#define MUSYCC_PCD_ROOF_RISING     0x00000100   /* Sample Rx Out Of Frame
+                                                 * signal on RCLK rising edge */
+#define MUSYCC_PCD_TX_DRIVEN       0x00000200   /* No mapped timeslots causes
+                                                 * logic 1 on output, else
+                                                 * tristate */
+#define MUSYCC_PCD_PORTMODE_MASK   0xfffffff8   /* For changing the port mode
+                                                 * between E1 and T1 */
+
+/* Time Slot Descriptor bit macros */
+#define MUSYCC_TSD_MODE_64KBPS              4
+#define MUSYCC_TSD_MODE_56KBPS              5
+#define MUSYCC_TSD_SUBCHANNEL_WO_FIRST      6
+#define MUSYCC_TSD_SUBCHANNEL_WITH_FIRST    7
+
+/* Message Descriptor bit macros */
+#define MUSYCC_MDT_BASE03_ADDR     0x00006000
+
+/* Channel Config Descriptor bit macros */
+#define MUSYCC_CCD_BUFIRQ_DISABLE  0x00000002   /* BUFF and ONR irqs disabled */
+#define MUSYCC_CCD_EOMIRQ_DISABLE  0x00000004   /* EOM irq disabled */
+#define MUSYCC_CCD_MSGIRQ_DISABLE  0x00000008   /* LNG, FCS, ALIGN, and ABT
+                                                 * irqs disabled */
+#define MUSYCC_CCD_IDLEIRQ_DISABLE 0x00000010   /* CHABT, CHIC, and SHT irqs
+                                                 * disabled */
+#define MUSYCC_CCD_FILTIRQ_DISABLE 0x00000020   /* SFILT irq disabled */
+#define MUSYCC_CCD_SDECIRQ_DISABLE 0x00000040   /* SDEC irq disabled */
+#define MUSYCC_CCD_SINCIRQ_DISABLE 0x00000080   /* SINC irq disabled */
+#define MUSYCC_CCD_SUERIRQ_DISABLE 0x00000100   /* SUERR irq disabled */
+#define MUSYCC_CCD_FCS_XFER        0x00000200   /* Propagate FCS along with
+                                                 * received data */
+#define MUSYCC_CCD_PROTO_SHIFT     12   /* Position index for protocol bit
+                                         * field */
+#define MUSYCC_CCD_TRANS           0    /* Protocol mode in bits 12-14 */
+#define MUSYCC_CCD_SS7             1
+#define MUSYCC_CCD_HDLC_FCS16      2
+#define MUSYCC_CCD_HDLC_FCS32      3
+#define MUSYCC_CCD_EOPIRQ_DISABLE  0x00008000   /* EOP irq disabled */
+#define MUSYCC_CCD_INVERT_DATA     0x00800000   /* Invert data */
+#define MUSYCC_CCD_MAX_LENGTH      10   /* Position index for max length bit
+                                         * field */
+#define MUSYCC_CCD_BUFFER_LENGTH   16   /* Position index for internal data
+                                         * buffer length */
+#define MUSYCC_CCD_BUFFER_LOC      24   /* Position index for internal data
+                                         * buffer starting location */
+
+/****************************************************************************
+ * Interrupt Descriptor Information */
+
+#define INT_EMPTY_ENTRY     0xfeedface
+#define INT_EMPTY_ENTRY2    0xdeadface
+
+/****************************************************************************
+ * Interrupt Status Descriptor
+ *
+ * NOTE: One must first fetch the value of the interrupt status descriptor
+ * into a local variable, then pass that value into the read macros. This
+ * is required to avoid race conditions.
+ ***/
+
+#define INTRPTS_NEXTINT_M      0x7FFF0000
+#define INTRPTS_NEXTINT_S      16
+#define INTRPTS_NEXTINT(x)     ((x & INTRPTS_NEXTINT_M) >> INTRPTS_NEXTINT_S)
+
+#define INTRPTS_INTFULL_M      0x00008000
+#define INTRPTS_INTFULL_S      15
+#define INTRPTS_INTFULL(x)     ((x & INTRPTS_INTFULL_M) >> INTRPTS_INTFULL_S)
+
+#define INTRPTS_INTCNT_M       0x00007FFF
+#define INTRPTS_INTCNT_S       0
+#define INTRPTS_INTCNT(x)      ((x & INTRPTS_INTCNT_M) >> INTRPTS_INTCNT_S)
+
+
+/****************************************************************************
+ * Interrupt Descriptor
+ ***/
+
+#define INTRPT_DIR_M           0x80000000
+#define INTRPT_DIR_S           31
+#define INTRPT_DIR(x)          ((x & INTRPT_DIR_M) >> INTRPT_DIR_S)
+
+#define INTRPT_GRP_M           0x60000000
+#define INTRPT_GRP_MSB_M       0x00004000
+#define INTRPT_GRP_S           29
+#define INTRPT_GRP_MSB_S       12
+#define INTRPT_GRP(x)          (((x & INTRPT_GRP_M) >> INTRPT_GRP_S) | \
+                               ((x & INTRPT_GRP_MSB_M) >> INTRPT_GRP_MSB_S))
+
+#define INTRPT_CH_M            0x1F000000
+#define INTRPT_CH_S            24
+#define INTRPT_CH(x)           ((x & INTRPT_CH_M) >> INTRPT_CH_S)
+
+#define INTRPT_EVENT_M         0x00F00000
+#define INTRPT_EVENT_S         20
+#define INTRPT_EVENT(x)        ((x & INTRPT_EVENT_M) >> INTRPT_EVENT_S)
+
+#define INTRPT_ERROR_M         0x000F0000
+#define INTRPT_ERROR_S         16
+#define INTRPT_ERROR(x)        ((x & INTRPT_ERROR_M) >> INTRPT_ERROR_S)
+
+#define INTRPT_ILOST_M         0x00008000
+#define INTRPT_ILOST_S         15
+#define INTRPT_ILOST(x)        ((x & INTRPT_ILOST_M) >> INTRPT_ILOST_S)
+
+#define INTRPT_PERR_M          0x00004000
+#define INTRPT_PERR_S          14
+#define INTRPT_PERR(x)         ((x & INTRPT_PERR_M) >> INTRPT_PERR_S)
+
+#define INTRPT_BLEN_M          0x00003FFF
+#define INTRPT_BLEN_S          0
+#define INTRPT_BLEN(x)         ((x & INTRPT_BLEN_M) >> INTRPT_BLEN_S)
+
+
+/* Buffer Descriptor bit macros */
+#define OWNER_BIT       0x80000000      /* Set for MUSYCC owner on xmit, host
+                                         * owner on receive */
+#define HOST_TX_OWNED   0x00000000      /* Host owns descriptor */
+#define MUSYCC_TX_OWNED 0x80000000      /* MUSYCC owns descriptor */
+#define HOST_RX_OWNED   0x80000000      /* Host owns descriptor */
+#define MUSYCC_RX_OWNED 0x00000000      /* MUSYCC owns descriptor */
+
+#define POLL_DISABLED   0x40000000      /* MUSYCC not allowed to poll buffer
+                                         * for ownership */
+#define EOMIRQ_ENABLE   0x20000000      /* This buffer contains the end of
+                                         * the message */
+#define EOBIRQ_ENABLE   0x10000000      /* EOB irq enabled */
+#define PADFILL_ENABLE  0x01000000      /* Enable padfill */
+#define REPEAT_BIT      0x00008000      /* Bit on for FISU descriptor */
+#define LENGTH_MASK         0X3fff      /* This part of status descriptor is
+                                         * length */
+#define IDLE_CODE               25      /* Position index for idle code (2
+                                         * bits) */
+#define EXTRA_FLAGS             16      /* Position index for minimum flags
+                                         * between messages (8 bits) */
+#define IDLE_CODE_MASK        0x03      /* Gets rid of garbage before the
+                                         * pattern is OR'd in */
+#define EXTRA_FLAGS_MASK      0xff      /* Gets rid of garbage before the
+                                         * pattern is OR'd in */
+#define PCI_PERMUTED_OWNER_BIT  0x00000080      /* For flipping the bit on
+                                                 * the polled mode descriptor */
+
+/* Service Request Descriptor bit macros */
+#define SREQ  8                 /* Position index for service request bit
+                                 * field */
+#define SR_NOOP                 (0<<(SREQ))     /* No Operation. Generates SACK */
+#define SR_CHIP_RESET           (1<<(SREQ))     /* Soft chip reset */
+#define SR_GROUP_RESET          (2<<(SREQ))     /* Group reset */
+#define SR_GLOBAL_INIT          (4<<(SREQ))     /* Global init: read global
+                                                 * config deswc and interrupt
+                                                 * queue desc */
+#define SR_GROUP_INIT           (5<<(SREQ))     /* Group init: read Timeslot
+                                                 * and Subchannel maps,
+                                                 * Channel Config, */
+    /*
+     * Group Config, Memory Protect, Message Length, and Port Config
+     * Descriptors
+     */
+#define SR_CHANNEL_ACTIVATE     (8<<(SREQ))     /* Init channel, read Head
+                                                 * Pointer, process first
+                                                 * Message Descriptor */
+#define SR_GCHANNEL_MASK        0x001F          /* channel portion (gchan) */
+#define SR_CHANNEL_DEACTIVATE   (9<<(SREQ))     /* Stop channel processing */
+#define SR_JUMP                 (10<<(SREQ))    /* a: Process new Message
+                                                 * List */
+#define SR_CHANNEL_CONFIG       (11<<(SREQ))    /* b: Read channel
+                                                 * Configuration Descriptor */
+#define SR_GLOBAL_CONFIG        (16<<(SREQ))    /* 10: Read Global
+                                                 * Configuration Descriptor */
+#define SR_INTERRUPT_Q          (17<<(SREQ))    /* 11: Read Interrupt Queue
+                                                 * Descriptor */
+#define SR_GROUP_CONFIG         (18<<(SREQ))    /* 12: Read Group
+                                                 * Configuration Descriptor */
+#define SR_MEMORY_PROTECT       (19<<(SREQ))    /* 13: Read Memory Protection
+                                                 * Descriptor */
+#define SR_MESSAGE_LENGTH       (20<<(SREQ))    /* 14: Read Message Length
+                                                 * Descriptor */
+#define SR_PORT_CONFIG          (21<<(SREQ))    /* 15: Read Port
+                                                 * Configuration Descriptor */
+#define SR_TIMESLOT_MAP         (24<<(SREQ))    /* 18: Read Timeslot Map */
+#define SR_SUBCHANNEL_MAP       (25<<(SREQ))    /* 19: Read Subchannel Map */
+#define SR_CHAN_CONFIG_TABLE    (26<<(SREQ))    /* 20: Read Channel
+                                                 * Configuration Table for
+                                                 * the group */
+#define SR_TX_DIRECTION         0x00000020      /* Transmit direction bit.
+                                                 * Bit off indicates receive
+                                                 * direction */
+#define SR_RX_DIRECTION         0x00000000
+
+/* Interrupt Descriptor bit macros */
+#define GROUP10                     29  /* Position index for the 2 LS group
+                                         * bits */
+#define CHANNEL                     24  /* Position index for channel bits */
+#define INT_IQD_TX          0x80000000
+#define INT_IQD_GRP         0x60000000
+#define INT_IQD_CHAN        0x1f000000
+#define INT_IQD_EVENT       0x00f00000
+#define INT_IQD_ERROR       0x000f0000
+#define INT_IQD_ILOST       0x00008000
+#define INT_IQD_PERR        0x00004000
+#define INT_IQD_BLEN        0x00003fff
+
+/* Interrupt Descriptor Events */
+#define EVE_EVENT               20      /* Position index for event bits */
+#define EVE_NONE                0       /* No event to report in this
+                                         * interrupt */
+#define EVE_SACK                1       /* Service Request acknowledge */
+#define EVE_EOB                 2       /* End of Buffer */
+#define EVE_EOM                 3       /* End of Message */
+#define EVE_EOP                 4       /* End of Padfill */
+#define EVE_CHABT               5       /* Change to Abort Code */
+#define EVE_CHIC                6       /* Change to Idle Code */
+#define EVE_FREC                7       /* Frame Recovery */
+#define EVE_SINC                8       /* MTP2 SUERM Increment */
+#define EVE_SDEC                9       /* MTP2 SUERM Decrement */
+#define EVE_SFILT               10      /* MTP2 SUERM Filtered Message */
+/* Interrupt Descriptor Errors */
+#define ERR_ERRORS              16      /* Position index for error bits */
+#define ERR_BUF                 1       /* Buffer Error */
+#define ERR_COFA                2       /* Change of Frame Alignment Error */
+#define ERR_ONR                 3       /* Owner Bit Error */
+#define ERR_PROT                4       /* Memory Protection Error */
+#define ERR_OOF                 8       /* Out of Frame Error */
+#define ERR_FCS                 9       /* FCS Error */
+#define ERR_ALIGN               10      /* Octet Alignment Error */
+#define ERR_ABT                 11      /* Abort Termination */
+#define ERR_LNG                 12      /* Long Message Error */
+#define ERR_SHT                 13      /* Short Message Error */
+#define ERR_SUERR               14      /* SUERM threshold exceeded */
+#define ERR_PERR                15      /* PCI Parity Error */
+/* Other Stuff */
+#define TRANSMIT_DIRECTION  0x80000000  /* Transmit direction bit. Bit off
+                                         * indicates receive direction */
+#define ILOST               0x00008000  /* Interrupt Lost */
+#define GROUPMSB            0x00004000  /* Group number MSB */
+#define SACK_IMAGE          0x00100000  /* Used in IRQ for semaphore test */
+#define INITIAL_STATUS      0x10000     /* IRQ status should be this after
+                                         * reset */
+
+/*  This must be defined on an entire channel group (Port) basis */
+#define SUERM_THRESHOLD     0x1f
+
+#ifdef __cplusplus
+}
+#endif
+
+#undef VINT32
+#undef VINT8
+
+#endif                          /*** _INC_MUSYCC_H_ ***/
+
+/*** End-of-File ***/
diff --git a/drivers/staging/cxt1e1/ossiRelease.c b/drivers/staging/cxt1e1/ossiRelease.c
new file mode 100644
index 00000000000..a56029866c2
--- /dev/null
+++ b/drivers/staging/cxt1e1/ossiRelease.c
@@ -0,0 +1,39 @@
+/*
+ * $Id: ossiRelease.c,v 1.2 2008/05/08 20:14:03 rdobbs PMCC4_3_1B $
+ */
+
+/*-----------------------------------------------------------------------------
+ * ossiRelease.c -
+ *
+ * This string will be embedded into the executable and will track the
+ * release.  The embedded string may be displayed using the following:
+ *
+ *      strings <filename> | grep \$Rel
+ *
+ * Copyright (C) 2002-2008  One Stop Systems, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@onestopsystems.com
+ * One Stop Systems, Inc.  Escondido, California  U.S.A.
+ *
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.2 $
+ * Last changed on $Date: 2008/05/08 20:14:03 $
+ * Changed by $Author: rdobbs $
+ *-----------------------------------------------------------------------------
+ */
+
+
+char pmcc4_OSSI_release[] = "$Release: PMCC4_3_1B,  Copyright (c) 2008 One Stop Systems$";
+
+/***  End-of-File  ***/
diff --git a/drivers/staging/cxt1e1/pmc93x6_eeprom.c b/drivers/staging/cxt1e1/pmc93x6_eeprom.c
new file mode 100644
index 00000000000..02c829b318b
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmc93x6_eeprom.c
@@ -0,0 +1,559 @@
+/* pmc93x6_eeprom.c - PMC's 93LC46 EEPROM Device
+ *
+ *    The 93LC46 is a low-power, serial Electrically Erasable and
+ *    Programmable Read Only Memory organized as 128 8-bit bytes.
+ *
+ *    Accesses to the 93LC46 are done in a bit serial stream, organized
+ *    in a 3 wire format.  Writes are internally timed by the device
+ *    (the In data bit is pulled low until the write is complete and
+ *    then is pulled high) and take about 6 milliseconds.
+ *
+ * Copyright (C) 2003-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include <linux/types.h>
+#include "pmcc4_sysdep.h"
+#include "sbecom_inline_linux.h"
+#include "pmcc4.h"
+#include "sbe_promformat.h"
+
+#ifndef TRUE
+#define TRUE   1
+#define FALSE  0
+#endif
+
+#ifdef SBE_INCLUDE_SYMBOLS
+#define STATIC
+#else
+#define STATIC  static
+#endif
+
+
+/*------------------------------------------------------------------------
+ *      EEPROM address definitions
+ *------------------------------------------------------------------------
+ *
+ *      The offset in the definitions below allows the test to skip over
+ *      areas of the EEPROM that other programs (such a VxWorks) are
+ *      using.
+ */
+
+#define EE_MFG      (long)0     /* Index to manufacturing record */
+#define EE_FIRST    0x28        /* Index to start testing at */
+#define EE_LIMIT    128         /* Index to end testing at */
+
+
+/*  Bit Ordering for Instructions
+**
+**  A0, A1, A2, A3, A4, A5, A6, OP0, OP1, SB   (lsb, or 1st bit out)
+**
+*/
+
+#define EPROM_EWEN      0x0019  /* Erase/Write enable (reversed) */
+#define EPROM_EWDS      0x0001  /* Erase/Write disable (reversed) */
+#define EPROM_READ      0x0003  /* Read (reversed) */
+#define EPROM_WRITE     0x0005  /* Write (reversed) */
+#define EPROM_ERASE     0x0007  /* Erase (reversed) */
+#define EPROM_ERAL      0x0009  /* Erase All (reversed) */
+#define EPROM_WRAL      0x0011  /* Write All (reversed) */
+
+#define EPROM_ADR_SZ    7       /* Number of bits in offset address */
+#define EPROM_OP_SZ     3       /* Number of bits in command */
+#define SIZE_ADDR_OP    (EPROM_ADR_SZ + EPROM_OP_SZ)
+#define LC46A_MAX_OPS   10      /* Number of bits in Instruction */
+#define NUM_OF_BITS     8       /* Number of bits in data */
+
+
+/* EEPROM signal bits */
+#define EPROM_ACTIVE_OUT_BIT    0x0001  /* Out data bit */
+#define EPROM_ACTIVE_IN_BIT     0x0002  /* In data bit */
+#define ACTIVE_IN_BIT_SHIFT     0x0001  /* Shift In data bit to LSB */
+#define EPROM_ENCS              0x0004  /* Set EEPROM CS during operation */
+
+
+/*------------------------------------------------------------------------
+ *      The ByteReverse table is used to reverses the 8 bits within a byte
+ *------------------------------------------------------------------------
+ */
+
+static unsigned char ByteReverse[256];
+static int  ByteReverseBuilt = FALSE;
+
+
+/*------------------------------------------------------------------------
+ *      mfg_template - initial serial EEPROM data structure
+ *------------------------------------------------------------------------
+ */
+
+short       mfg_template[sizeof (FLD_TYPE2)] =
+{
+    PROM_FORMAT_TYPE2,          /* type; */
+    0x00, 0x1A,                 /* length[2]; */
+    0x00, 0x00, 0x00, 0x00,     /* Crc32[4]; */
+    0x11, 0x76,                 /* Id[2]; */
+    0x07, 0x05,                 /* SubId[2] E1; */
+    0x00, 0xA0, 0xD6, 0x00, 0x00, 0x00, /* Serial[6]; */
+    0x00, 0x00, 0x00, 0x00,     /* CreateTime[4]; */
+    0x00, 0x00, 0x00, 0x00,     /* HeatRunTime[4]; */
+    0x00, 0x00, 0x00, 0x00,     /* HeatRunIterations[4]; */
+    0x00, 0x00, 0x00, 0x00,     /* HeatRunErrors[4]; */
+};
+
+
+/*------------------------------------------------------------------------
+ *      BuildByteReverse - build the 8-bit reverse table
+ *------------------------------------------------------------------------
+ *
+ *      The 'ByteReverse' table reverses the 8 bits within a byte
+ *      (the MSB becomes the LSB etc.).
+ */
+
+STATIC void
+BuildByteReverse (void)
+{
+    long        half;           /* Used to build by powers to 2 */
+    int         i;
+
+    ByteReverse[0] = 0;
+
+    for (half = 1; half < sizeof (ByteReverse); half <<= 1)
+        for (i = 0; i < half; i++)
+            ByteReverse[half + i] = (char) (ByteReverse[i] | (0x80 / half));
+
+    ByteReverseBuilt = TRUE;
+}
+
+
+/*------------------------------------------------------------------------
+ *      eeprom_delay - small delay for EEPROM timing
+ *------------------------------------------------------------------------
+ */
+
+STATIC void
+eeprom_delay (void)
+{
+    int         timeout;
+
+    for (timeout = 20; timeout; --timeout)
+    {
+        OS_uwait_dummy ();
+    }
+}
+
+
+/*------------------------------------------------------------------------
+ *      eeprom_put_byte - Send a byte to the EEPROM serially
+ *------------------------------------------------------------------------
+ *
+ *      Given the PCI address and the data, this routine serially sends
+ *      the data to the EEPROM.
+ */
+
+void
+eeprom_put_byte (long addr, long data, int count)
+{
+    u_int32_t output;
+
+    while (--count >= 0)
+    {
+        output = (data & EPROM_ACTIVE_OUT_BIT) ? 1 : 0; /* Get next data bit */
+        output |= EPROM_ENCS;       /* Add Chip Select */
+        data >>= 1;
+
+        eeprom_delay ();
+        pci_write_32 ((u_int32_t *) addr, output);      /* Output it */
+    }
+}
+
+
+/*------------------------------------------------------------------------
+ *      eeprom_get_byte - Receive a byte from the EEPROM serially
+ *------------------------------------------------------------------------
+ *
+ *      Given the PCI address, this routine serially fetches the data
+ *      from the  EEPROM.
+ */
+
+u_int32_t
+eeprom_get_byte (long addr)
+{
+    u_int32_t   input;
+    u_int32_t   data;
+    int         count;
+
+/*  Start the Reading of DATA
+**
+**  The first read is a dummy as the data is latched in the
+**  EPLD and read on the next read access to the EEPROM.
+*/
+
+    input = pci_read_32 ((u_int32_t *) addr);
+
+    data = 0;
+    count = NUM_OF_BITS;
+    while (--count >= 0)
+    {
+        eeprom_delay ();
+        input = pci_read_32 ((u_int32_t *) addr);
+
+        data <<= 1;                 /* Shift data over */
+        data |= (input & EPROM_ACTIVE_IN_BIT) ? 1 : 0;
+
+    }
+
+    return data;
+}
+
+
+/*------------------------------------------------------------------------
+ *      disable_pmc_eeprom - Disable writes to the EEPROM
+ *------------------------------------------------------------------------
+ *
+ *      Issue the EEPROM command to disable writes.
+ */
+
+STATIC void
+disable_pmc_eeprom (long addr)
+{
+    eeprom_put_byte (addr, EPROM_EWDS, SIZE_ADDR_OP);
+
+    pci_write_32 ((u_int32_t *) addr, 0);       /* this removes Chip Select
+                                                 * from EEPROM */
+}
+
+
+/*------------------------------------------------------------------------
+ *      enable_pmc_eeprom - Enable writes to the EEPROM
+ *------------------------------------------------------------------------
+ *
+ *      Issue the EEPROM command to enable writes.
+ */
+
+STATIC void
+enable_pmc_eeprom (long addr)
+{
+    eeprom_put_byte (addr, EPROM_EWEN, SIZE_ADDR_OP);
+
+    pci_write_32 ((u_int32_t *) addr, 0);       /* this removes Chip Select
+                                                 * from EEPROM */
+}
+
+
+/*------------------------------------------------------------------------
+ *      pmc_eeprom_read - EEPROM location read
+ *------------------------------------------------------------------------
+ *
+ *      Given a EEPROM PCI address and location offset, this routine returns
+ *      the contents of the specified location to the calling routine.
+ */
+
+u_int32_t
+pmc_eeprom_read (long addr, long mem_offset)
+{
+    u_int32_t   data;           /* Data from chip */
+
+    if (!ByteReverseBuilt)
+        BuildByteReverse ();
+
+    mem_offset = ByteReverse[0x7F & mem_offset];        /* Reverse address */
+    /*
+     * NOTE: The max offset address is 128 or half the reversal table. So the
+     * LSB is always zero and counts as a built in shift of one bit.  So even
+     * though we need to shift 3 bits to make room for the command, we only
+     * need to shift twice more because of the built in shift.
+     */
+    mem_offset <<= 2;               /* Shift for command */
+    mem_offset |= EPROM_READ;       /* Add command */
+
+    eeprom_put_byte (addr, mem_offset, SIZE_ADDR_OP);   /* Output chip address */
+
+    data = eeprom_get_byte (addr);  /* Read chip data */
+
+    pci_write_32 ((u_int32_t *) addr, 0);       /* Remove Chip Select from
+                                                 * EEPROM */
+
+    return (data & 0x000000FF);
+}
+
+
+/*------------------------------------------------------------------------
+ *      pmc_eeprom_write - EEPROM location write
+ *------------------------------------------------------------------------
+ *
+ *      Given a EEPROM PCI address, location offset and value, this
+ *      routine writes the value to the specified location.
+ *
+ *      Note: it is up to the caller to determine if the write
+ *      operation succeeded.
+ */
+
+int
+pmc_eeprom_write (long addr, long mem_offset, u_int32_t data)
+{
+    volatile u_int32_t temp;
+    int         count;
+
+    if (!ByteReverseBuilt)
+        BuildByteReverse ();
+
+    mem_offset = ByteReverse[0x7F & mem_offset];        /* Reverse address */
+    /*
+     * NOTE: The max offset address is 128 or half the reversal table. So the
+     * LSB is always zero and counts as a built in shift of one bit.  So even
+     * though we need to shift 3 bits to make room for the command, we only
+     * need to shift twice more because of the built in shift.
+     */
+    mem_offset <<= 2;               /* Shift for command */
+    mem_offset |= EPROM_WRITE;      /* Add command */
+
+    eeprom_put_byte (addr, mem_offset, SIZE_ADDR_OP);   /* Output chip address */
+
+    data = ByteReverse[0xFF & data];/* Reverse data */
+    eeprom_put_byte (addr, data, NUM_OF_BITS);  /* Output chip data */
+
+    pci_write_32 ((u_int32_t *) addr, 0);       /* Remove Chip Select from
+                                                 * EEPROM */
+
+/*
+**  Must see Data In at a low state before completing this transaction.
+**
+**  Afterwards, the data bit will return to a high state, ~6 ms, terminating
+**  the operation.
+*/
+    pci_write_32 ((u_int32_t *) addr, EPROM_ENCS);      /* Re-enable Chip Select */
+    temp = pci_read_32 ((u_int32_t *) addr);    /* discard first read */
+    temp = pci_read_32 ((u_int32_t *) addr);
+    if (temp & EPROM_ACTIVE_IN_BIT)
+    {
+        temp = pci_read_32 ((u_int32_t *) addr);
+        if (temp & EPROM_ACTIVE_IN_BIT)
+        {
+            pci_write_32 ((u_int32_t *) addr, 0);       /* Remove Chip Select
+                                                         * from EEPROM */
+            return (1);
+        }
+    }
+    count = 1000;
+    while (count--)
+    {
+        for (temp = 0; temp < 0x10; temp++)
+            OS_uwait_dummy ();
+
+        if (pci_read_32 ((u_int32_t *) addr) & EPROM_ACTIVE_IN_BIT)
+            break;
+    }
+
+    if (count == -1)
+        return (2);
+
+    return (0);
+}
+
+
+/*------------------------------------------------------------------------
+ *      pmcGetBuffValue - read the specified value from buffer
+ *------------------------------------------------------------------------
+ */
+
+long
+pmcGetBuffValue (char *ptr, int size)
+{
+    long        value = 0;
+    int         index;
+
+    for (index = 0; index < size; ++index)
+    {
+        value <<= 8;
+        value |= ptr[index] & 0xFF;
+    }
+
+    return value;
+}
+
+
+/*------------------------------------------------------------------------
+ *      pmcSetBuffValue - save the specified value to buffer
+ *------------------------------------------------------------------------
+ */
+
+void
+pmcSetBuffValue (char *ptr, long value, int size)
+{
+    int         index = size;
+
+    while (--index >= 0)
+    {
+        ptr[index] = (char) (value & 0xFF);
+        value >>= 8;
+    }
+}
+
+
+/*------------------------------------------------------------------------
+ *      pmc_eeprom_read_buffer - read EEPROM data into specified buffer
+ *------------------------------------------------------------------------
+ */
+
+void
+pmc_eeprom_read_buffer (long addr, long mem_offset, char *dest_ptr, int size)
+{
+    while (--size >= 0)
+        *dest_ptr++ = (char) pmc_eeprom_read (addr, mem_offset++);
+}
+
+
+/*------------------------------------------------------------------------
+ *      pmc_eeprom_write_buffer - write EEPROM data from specified buffer
+ *------------------------------------------------------------------------
+ */
+
+void
+pmc_eeprom_write_buffer (long addr, long mem_offset, char *dest_ptr, int size)
+{
+    enable_pmc_eeprom (addr);
+
+    while (--size >= 0)
+        pmc_eeprom_write (addr, mem_offset++, *dest_ptr++);
+
+    disable_pmc_eeprom (addr);
+}
+
+
+/*------------------------------------------------------------------------
+ *      pmcCalcCrc - calculate the CRC for the serial EEPROM structure
+ *------------------------------------------------------------------------
+ */
+
+u_int32_t
+pmcCalcCrc_T01 (void *bufp)
+{
+    FLD_TYPE2  *buf = bufp;
+    u_int32_t   crc;            /* CRC of the structure */
+
+    /* Calc CRC for type and length fields */
+    sbeCrc (
+            (u_int8_t *) &buf->type,
+            (u_int32_t) STRUCT_OFFSET (FLD_TYPE1, Crc32),
+            (u_int32_t) 0,
+            (u_int32_t *) &crc);
+
+#ifdef EEPROM_TYPE_DEBUG
+    printk ("sbeCrc: crc 1 calculated as %08x\n", crc); /* RLD DEBUG */
+#endif
+    return ~crc;
+}
+
+u_int32_t
+pmcCalcCrc_T02 (void *bufp)
+{
+    FLD_TYPE2  *buf = bufp;
+    u_int32_t   crc;            /* CRC of the structure */
+
+    /* Calc CRC for type and length fields */
+    sbeCrc (
+            (u_int8_t *) &buf->type,
+            (u_int32_t) STRUCT_OFFSET (FLD_TYPE2, Crc32),
+            (u_int32_t) 0,
+            (u_int32_t *) &crc);
+
+    /* Calc CRC for remaining fields */
+    sbeCrc (
+            (u_int8_t *) &buf->Id[0],
+            (u_int32_t) (sizeof (FLD_TYPE2) - STRUCT_OFFSET (FLD_TYPE2, Id)),
+            (u_int32_t) crc,
+            (u_int32_t *) &crc);
+
+#ifdef EEPROM_TYPE_DEBUG
+    printk ("sbeCrc: crc 2 calculated as %08x\n", crc); /* RLD DEBUG */
+#endif
+    return crc;
+}
+
+
+/*------------------------------------------------------------------------
+ *      pmc_init_seeprom - initialize the serial EEPROM structure
+ *------------------------------------------------------------------------
+ *
+ *      At the front of the serial EEPROM there is a record that contains
+ *      manufacturing information.  If the info does not already exist, it
+ *      is created.  The only field modifiable by the operator is the
+ *      serial number field.
+ */
+
+void
+pmc_init_seeprom (u_int32_t addr, u_int32_t serialNum)
+{
+    PROMFORMAT  buffer;         /* Memory image of structure */
+    u_int32_t   crc;            /* CRC of structure */
+    time_t      createTime;
+    int         i;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+    createTime = CURRENT_TIME;
+#else
+    createTime = get_seconds ();
+#endif
+
+    /* use template data */
+    for (i = 0; i < sizeof (FLD_TYPE2); ++i)
+        buffer.bytes[i] = mfg_template[i];
+
+    /* Update serial number field in buffer */
+    pmcSetBuffValue (&buffer.fldType2.Serial[3], serialNum, 3);
+
+    /* Update create time field in buffer */
+    pmcSetBuffValue (&buffer.fldType2.CreateTime[0], createTime, 4);
+
+    /* Update CRC field in buffer */
+    crc = pmcCalcCrc_T02 (&buffer);
+    pmcSetBuffValue (&buffer.fldType2.Crc32[0], crc, 4);
+
+#ifdef DEBUG
+    for (i = 0; i < sizeof (FLD_TYPE2); ++i)
+        printk ("[%02X] = %02X\n", i, buffer.bytes[i] & 0xFF);
+#endif
+
+    /* Write structure to serial EEPROM */
+    pmc_eeprom_write_buffer (addr, EE_MFG, (char *) &buffer, sizeof (FLD_TYPE2));
+}
+
+
+char
+pmc_verify_cksum (void *bufp)
+{
+    FLD_TYPE1  *buf1 = bufp;
+    FLD_TYPE2  *buf2 = bufp;
+    u_int32_t   crc1, crc2;     /* CRC read from EEPROM */
+
+    /* Retrieve contents of CRC field */
+    crc1 = pmcGetBuffValue (&buf1->Crc32[0], sizeof (buf1->Crc32));
+#ifdef EEPROM_TYPE_DEBUG
+    printk ("EEPROM: chksum 1 reads   as %08x\n", crc1);        /* RLD DEBUG */
+#endif
+    if ((buf1->type == PROM_FORMAT_TYPE1) &&
+        (pmcCalcCrc_T01 ((void *) buf1) == crc1))
+        return PROM_FORMAT_TYPE1;   /* checksum type 1 verified */
+
+    crc2 = pmcGetBuffValue (&buf2->Crc32[0], sizeof (buf2->Crc32));
+#ifdef EEPROM_TYPE_DEBUG
+    printk ("EEPROM: chksum 2 reads   as %08x\n", crc2);        /* RLD DEBUG */
+#endif
+    if ((buf2->type == PROM_FORMAT_TYPE2) &&
+        (pmcCalcCrc_T02 ((void *) buf2) == crc2))
+        return PROM_FORMAT_TYPE2;   /* checksum type 2 verified */
+
+    return PROM_FORMAT_Unk;         /* failed to validate */
+}
+
+
+/*** End-of-File ***/
diff --git a/drivers/staging/cxt1e1/pmc93x6_eeprom.h b/drivers/staging/cxt1e1/pmc93x6_eeprom.h
new file mode 100644
index 00000000000..c3ada87efd2
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmc93x6_eeprom.h
@@ -0,0 +1,60 @@
+/*
+ * $Id: pmc93x6_eeprom.h,v 1.1 2005/09/28 00:10:08 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_PMC93X6_EEPROM_H_
+#define _INC_PMC93X6_EEPROM_H_
+
+/*-----------------------------------------------------------------------------
+ * pmc93x6_eeprom.h -
+ *
+ * Copyright (C) 2002-2004  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ *-----------------------------------------------------------------------------
+ * $Log: pmc93x6_eeprom.h,v $
+ * Revision 1.1  2005/09/28 00:10:08  rickd
+ * pmc_verify_cksum return value is char.
+ *
+ * Revision 1.0  2005/05/04 17:20:51  rickd
+ * Initial revision
+ *
+ * Revision 1.0  2005/04/22 23:48:48  rickd
+ * Initial revision
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+#if defined (__FreeBSD__) || defined (__NetBSD__)
+#include <sys/types.h>
+#else
+#include <linux/types.h>
+#endif
+
+#ifdef __KERNEL__
+
+#include "pmcc4_private.h"
+
+void        pmc_eeprom_read_buffer (long, long, char *, int);
+void        pmc_eeprom_write_buffer (long, long, char *, int);
+void        pmc_init_seeprom (u_int32_t, u_int32_t);
+char        pmc_verify_cksum (void *);
+
+#endif    /*** __KERNEL__ ***/
+
+#endif
+
+/*** End-of-File ***/
diff --git a/drivers/staging/cxt1e1/pmcc4.h b/drivers/staging/cxt1e1/pmcc4.h
new file mode 100644
index 00000000000..26c1f0ea72e
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmcc4.h
@@ -0,0 +1,155 @@
+/*
+ * $Id: pmcc4.h,v 1.4 2005/11/01 19:24:48 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_PMCC4_H_
+#define _INC_PMCC4_H_
+
+/*-----------------------------------------------------------------------------
+ * pmcc4.h -
+ *
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.4 $
+ * Last changed on $Date: 2005/11/01 19:24:48 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: pmcc4.h,v $
+ * Revision 1.4  2005/11/01 19:24:48  rickd
+ * Remove de-implement function prototypes.  Several <int> to
+ * <status_t> changes for consistant usage of same.
+ *
+ * Revision 1.3  2005/09/28 00:10:08  rickd
+ * Add GNU license info. Use config params from libsbew.h
+ *
+ * Revision 1.2  2005/04/28 23:43:03  rickd
+ * Add RCS tracking heading.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+
+#if defined(__FreeBSD__) || defined(__NetBSD__)
+#include <sys/types.h>
+#else
+#ifndef __KERNEL__
+#include <sys/types.h>
+#else
+#include <linux/types.h>
+#endif
+#endif
+
+
+
+typedef int status_t;
+
+#define SBE_DRVR_FAIL     0
+#define SBE_DRVR_SUCCESS  1
+
+#ifdef __cplusplus
+extern      "C"
+{
+#endif
+
+
+/********************/
+/* PMCC4 memory Map */
+/********************/
+
+#define COMET_OFFSET(x) (0x80000+(x)*0x10000)
+#define EEPROM_OFFSET   0xC0000
+#define CPLD_OFFSET     0xD0000
+
+    struct pmcc4_timeslot_param
+    {
+        u_int8_t    card;       /* the card number */
+        u_int8_t    port;       /* the port number */
+        u_int8_t    _reserved1;
+        u_int8_t    _reserved2;
+
+        /*
+         * each byte in bitmask below represents one timeslot (bitmask[0] is
+         * for timeslot 0 and so on), each bit in the byte selects timeslot
+         * bits for this channel (0xff - whole timeslot, 0x7f - 56kbps mode)
+         */
+        u_int8_t    bitmask[32];
+    };
+
+    struct c4_musycc_param
+    {
+        u_int8_t    RWportnum;
+                    u_int16_t offset;
+        u_int32_t   value;
+    };
+
+/*Alarm values */
+#define sbeE1RMAI      0x100
+#define sbeYelAlm      0x04
+#define sbeRedAlm      0x02
+#define sbeAISAlm      0x01
+
+#define sbeE1errSMF    0x02
+#define sbeE1CRC       0x01
+
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef __KERNEL__
+
+/*
+ * Device Driver interface, routines are for internal use only.
+ */
+
+#include "pmcc4_private.h"
+
+#if !(LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+char       *get_hdlc_name (hdlc_device *);
+
+#endif
+
+
+/*
+ * external interface
+ */
+
+void        c4_cleanup (void);
+status_t    c4_chan_up (ci_t *, int channum);
+status_t    c4_del_chan_stats (int channum);
+status_t    c4_del_chan (int channum);
+status_t    c4_get_iidinfo (ci_t * ci, struct sbe_iid_info * iip);
+int         c4_is_chan_up (int channum);
+
+void       *getuserbychan (int channum);
+void        pci_flush_write (ci_t * ci);
+void        sbecom_set_loglevel (int debuglevel);
+char       *sbeid_get_bdname (ci_t * ci);
+void        sbeid_set_bdtype (ci_t * ci);
+void        sbeid_set_hdwbid (ci_t * ci);
+u_int32_t   sbeCrc (u_int8_t *, u_int32_t, u_int32_t, u_int32_t *);
+
+void        VMETRO_TRACE (void *);       /* put data into 8 LEDs */
+void        VMETRO_TRIGGER (ci_t *, int);       /* Note: int = 0(default)
+                                                 * thru 15 */
+
+#if defined (SBE_ISR_TASKLET)
+void        musycc_intr_bh_tasklet (ci_t *);
+
+#endif
+
+#endif                          /*** __KERNEL __ ***/
+#endif                          /* _INC_PMCC4_H_ */
diff --git a/drivers/staging/cxt1e1/pmcc4_cpld.h b/drivers/staging/cxt1e1/pmcc4_cpld.h
new file mode 100644
index 00000000000..6d8f0337aa3
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmcc4_cpld.h
@@ -0,0 +1,124 @@
+/*
+ * $Id: pmcc4_cpld.h,v 1.0 2005/09/28 00:10:08 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_PMCC4_CPLD_H_
+#define _INC_PMCC4_CPLD_H_
+
+/*-----------------------------------------------------------------------------
+ * pmcc4_cpld.h -
+ *
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.0 $
+ * Last changed on $Date: 2005/09/28 00:10:08 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: pmcc4_cpld.h,v $
+ * Revision 1.0  2005/09/28 00:10:08  rickd
+ * Initial revision
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+
+#if defined(__FreeBSD__) || defined(__NetBSD__)
+#include <sys/types.h>
+#else
+#ifndef __KERNEL__
+#include <sys/types.h>
+#else
+#include <linux/types.h>
+#endif
+#endif
+
+#ifdef __cplusplus
+extern      "C"
+{
+#endif
+
+
+/********************************/
+/* iSPLD control chip registers */
+/********************************/
+
+#if 0
+#define CPLD_MCSR    0x0
+#define CPLD_MCLK    0x1
+#define CPLD_LEDS    0x2
+#define CPLD_INTR    0x3
+#endif
+
+    struct c4_cpld
+    {
+        volatile u_int32_t mcsr;/* r/w: Master Clock Source Register */
+        volatile u_int32_t mclk;/* r/w: Master Clock Register */
+        volatile u_int32_t leds;/* r/w: LED Register */
+        volatile u_int32_t intr;/* r: Interrupt Register */
+    };
+
+    typedef struct c4_cpld c4cpld_t;
+
+/* mcsr note: sourcing COMET must be initialized to Master Mode */
+#define PMCC4_CPLD_MCSR_IND     0       /* ports used individual BP Clk as
+                                         * source, no slaves */
+#define PMCC4_CPLD_MCSR_CMT_1   1       /* COMET 1 BP Clk is source, 2,3,4
+                                         * are Clk slaves */
+#define PMCC4_CPLD_MCSR_CMT_2   2       /* COMET 2 BP Clk is source, 1,3,4
+                                         * are Clk slaves */
+#define PMCC4_CPLD_MCSR_CMT_3   3       /* COMET 3 BP Clk is source, 1,2,4
+                                         * are Clk slaves */
+#define PMCC4_CPLD_MCSR_CMT_4   4       /* COMET 4 BP Clk is source, 1,2,3
+                                         * are Clk slaves */
+
+#define PMCC4_CPLD_MCLK_MASK    0x0f
+#define PMCC4_CPLD_MCLK_P1      0x1
+#define PMCC4_CPLD_MCLK_P2      0x2
+#define PMCC4_CPLD_MCLK_P3      0x4
+#define PMCC4_CPLD_MCLK_P4      0x8
+#define PMCC4_CPLD_MCLK_T1      0x00
+#define PMCC4_CPLD_MCLK_P1_E1   0x01
+#define PMCC4_CPLD_MCLK_P2_E1   0x02
+#define PMCC4_CPLD_MCLK_P3_E1   0x04
+#define PMCC4_CPLD_MCLK_P4_E1   0x08
+
+#define PMCC4_CPLD_LED_OFF      0
+#define PMCC4_CPLD_LED_ON       1
+#define PMCC4_CPLD_LED_GP0      0x01    /* port 0, green  */
+#define PMCC4_CPLD_LED_YP0      0x02    /* port 0, yellow */
+#define PMCC4_CPLD_LED_GP1      0x04    /* port 1, green  */
+#define PMCC4_CPLD_LED_YP1      0x08    /* port 1, yellow */
+#define PMCC4_CPLD_LED_GP2      0x10    /* port 2, green  */
+#define PMCC4_CPLD_LED_YP2      0x20    /* port 2, yellow */
+#define PMCC4_CPLD_LED_GP3      0x40    /* port 3, green  */
+#define PMCC4_CPLD_LED_YP3      0x80    /* port 3, yellow */
+#define PMCC4_CPLD_LED_GREEN   (PMCC4_CPLD_LED_GP0 | PMCC4_CPLD_LED_GP1 | \
+                                PMCC4_CPLD_LED_GP2 | PMCC4_CPLD_LED_GP3 )
+#define PMCC4_CPLD_LED_YELLOW  (PMCC4_CPLD_LED_YP0 | PMCC4_CPLD_LED_YP1 | \
+                                PMCC4_CPLD_LED_YP2 | PMCC4_CPLD_LED_YP3)
+
+#define PMCC4_CPLD_INTR_MASK    0x0f
+#define PMCC4_CPLD_INTR_CMT_1   0x01
+#define PMCC4_CPLD_INTR_CMT_2   0x02
+#define PMCC4_CPLD_INTR_CMT_3   0x04
+#define PMCC4_CPLD_INTR_CMT_4   0x08
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif                          /* _INC_PMCC4_CPLD_H_ */
diff --git a/drivers/staging/cxt1e1/pmcc4_defs.h b/drivers/staging/cxt1e1/pmcc4_defs.h
new file mode 100644
index 00000000000..186347b8d56
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmcc4_defs.h
@@ -0,0 +1,82 @@
+/*
+ * $Id: pmcc4_defs.h,v 1.0 2005/09/28 00:10:09 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_PMCC4_DEFS_H_
+#define _INC_PMCC4_DEFS_H_
+
+/*-----------------------------------------------------------------------------
+ * c4_defs.h -
+ *
+ *   Implementation elements of the wanPMC-C4T1E1 device driver
+ *
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.0 $
+ * Last changed on $Date: 2005/09/28 00:10:09 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: pmcc4_defs.h,v $
+ * Revision 1.0  2005/09/28 00:10:09  rickd
+ * Initial revision
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+
+#define MAX_BOARDS          8
+#define MAX_CHANS_USED      128
+
+#ifdef  SBE_PMCC4_ENABLE
+#define MUSYCC_NPORTS       4     /* CN8474 */
+#endif
+#ifdef SBE_WAN256T3_ENABLE
+#define MUSYCC_NPORTS       8     /* CN8478 */
+#endif
+#define MUSYCC_NCHANS       32    /* actually, chans per port */
+
+#define MUSYCC_NIQD         0x1000    /* power of 2 */
+#define MUSYCC_MRU          2048  /* default */
+#define MUSYCC_MTU          2048  /* default */
+#define MUSYCC_TXDESC_MIN   10    /* HDLC mode default */
+#define MUSYCC_RXDESC_MIN   18    /* HDLC mode default */
+#define MUSYCC_TXDESC_TRANS 4     /* Transparent mode minumum # of TX descriptors */
+#define MUSYCC_RXDESC_TRANS 12    /* Transparent mode minumum # of RX descriptors */
+
+#define MAX_DEFAULT_IFQLEN  32    /* network qlen */
+
+
+#define SBE_IFACETMPL        "pmcc4-%d"
+#ifdef IFNAMSIZ
+#define SBE_IFACETMPL_SIZE    IFNAMSIZ
+#else
+#define SBE_IFACETMPL_SIZE    16
+#endif
+
+/* we want the PMCC4 watchdog to fire off every 250ms */
+#define WATCHDOG_TIMEOUT      250000
+
+/* if we restart the watchdog every 250ms, then we'll time out
+ * an additional 300ms later */
+#define WATCHDOG_UTIMEOUT     (WATCHDOG_TIMEOUT+300000)
+
+#if !defined(SBE_ISR_TASKLET) && !defined(SBE_ISR_IMMEDIATE) && !defined(SBE_ISR_INLINE)
+#define SBE_ISR_TASKLET
+#endif
+
+#endif   /*** _INC_PMCC4_DEFS_H_ ***/
+
diff --git a/drivers/staging/cxt1e1/pmcc4_drv.c b/drivers/staging/cxt1e1/pmcc4_drv.c
new file mode 100644
index 00000000000..ada80d0b605
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmcc4_drv.c
@@ -0,0 +1,1855 @@
+/*
+ * $Id: pmcc4_drv.c,v 3.1 2007/08/15 23:32:17 rickd PMCC4_3_1B $
+ */
+
+
+/*-----------------------------------------------------------------------------
+ * pmcc4_drv.c -
+ *
+ * Copyright (C) 2007  One Stop Systems, Inc.
+ * Copyright (C) 2002-2006  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@onestopsystems.com
+ * One Stop Systems, Inc.  Escondido, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 3.1 $
+ * Last changed on $Date: 2007/08/15 23:32:17 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: pmcc4_drv.c,v $
+ * Revision 3.1  2007/08/15 23:32:17  rickd
+ * Use 'if 0' instead of GNU comment delimeter to avoid line wrap induced compiler errors.
+ *
+ * Revision 3.0  2007/08/15 22:19:55  rickd
+ * Correct sizeof() castings and pi->regram to support 64bit compatibility.
+ *
+ * Revision 2.10  2006/04/21 00:56:40  rickd
+ * workqueue files now prefixed with <sbecom> prefix.
+ *
+ * Revision 2.9  2005/11/01 19:22:49  rickd
+ * Add sanity checks against max_port for ioctl functions.
+ *
+ * Revision 2.8  2005/10/27 18:59:25  rickd
+ * Code cleanup.  Default channel config to HDLC_FCS16.
+ *
+ * Revision 2.7  2005/10/18 18:16:30  rickd
+ * Further NCOMM code repairs - (1) interrupt matrix usage inconsistant
+ * for indexing into nciInterrupt[][], code missing double parameters.
+ * (2) check input of ncomm interrupt registration cardID for correct
+ * boundary values.
+ *
+ * Revision 2.6  2005/10/17 23:55:28  rickd
+ * Initial port of NCOMM support patches from original work found
+ * in pmc_c4t1e1 as updated by NCOMM.  Ref: CONFIG_SBE_PMCC4_NCOMM.
+ * Corrected NCOMMs wanpmcC4T1E1_getBaseAddress() to correctly handle
+ * multiple boards.
+ *
+ * Revision 2.5  2005/10/13 23:01:28  rickd
+ * Correct panic for illegal address reference w/in get_brdinfo on
+ * first_if/last_if name acquistion under Linux 2.6
+ *
+ * Revision 2.4  2005/10/13 21:20:19  rickd
+ * Correction of c4_cleanup() wherein next should be acquired before
+ * ci_t structure is free'd.
+ *
+ * Revision 2.3  2005/10/13 19:20:10  rickd
+ * Correct driver removal cleanup code for multiple boards.
+ *
+ * Revision 2.2  2005/10/11 18:34:04  rickd
+ * New routine added to determine number of ports (comets) on board.
+ *
+ * Revision 2.1  2005/10/05 00:48:13  rickd
+ * Add some RX activation trace code.
+ *
+ * Revision 2.0  2005/09/28 00:10:06  rickd
+ * Implement 2.6 workqueue for TX/RX restart.  Correction to
+ * hardware register boundary checks allows expanded access of MUSYCC.
+ * Implement new musycc reg&bits namings.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+char        OSSIid_pmcc4_drvc[] =
+"@(#)pmcc4_drv.c - $Revision: 3.1 $   (c) Copyright 2002-2007 One Stop Systems, Inc.";
+
+
+#if defined (__FreeBSD__) || defined (__NetBSD__)
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#else
+#include <linux/types.h>
+#include "pmcc4_sysdep.h"
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>        /* include for timer */
+#include <linux/timer.h>        /* include for timer */
+#include <linux/hdlc.h>
+#include <asm/io.h>
+#endif
+
+#include "sbecom_inline_linux.h"
+#include "libsbew.h"
+#include "pmcc4_private.h"
+#include "pmcc4.h"
+#include "pmcc4_ioctls.h"
+#include "musycc.h"
+#include "comet.h"
+#include "sbe_bid.h"
+
+#ifdef SBE_INCLUDE_SYMBOLS
+#define STATIC
+#else
+#define STATIC  static
+#endif
+
+
+#define KERN_WARN KERN_WARNING
+
+/* forward references */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
+status_t    c4_wk_chan_init (mpi_t *, mch_t *);
+void        c4_wq_port_cleanup (mpi_t *);
+status_t    c4_wq_port_init (mpi_t *);
+
+#endif
+int         c4_loop_port (ci_t *, int, u_int8_t);
+status_t    c4_set_port (ci_t *, int);
+status_t    musycc_chan_down (ci_t *, int);
+
+u_int32_t musycc_chan_proto (int);
+status_t    musycc_dump_ring (ci_t *, unsigned int);
+status_t __init musycc_init (ci_t *);
+void        musycc_init_mdt (mpi_t *);
+void        musycc_serv_req (mpi_t *, u_int32_t);
+void        musycc_update_timeslots (mpi_t *);
+
+extern void musycc_update_tx_thp (mch_t *);
+extern int  log_level;
+extern int  max_mru;
+extern int  max_mtu;
+extern int  max_rxdesc_used, max_rxdesc_default;
+extern int  max_txdesc_used, max_txdesc_default;
+
+#if defined (__powerpc__)
+extern void *memset (void *s, int c, size_t n);
+
+#endif
+
+int         drvr_state = SBE_DRVR_INIT;
+ci_t       *c4_list = 0;
+ci_t       *CI;                 /* dummy pointer to board ZEROE's data -
+                                 * DEBUG USAGE */
+
+
+void
+sbecom_set_loglevel (int d)
+{
+    /*
+     * The code within the following -if- clause is a backdoor debug facility
+     * which can be used to display the state of a board's channel.
+     */
+    if (d > LOG_DEBUG)
+    {
+        unsigned int channum = d - (LOG_DEBUG + 1);     /* convert to ZERO
+                                                         * relativity */
+
+        (void) musycc_dump_ring ((ci_t *) CI, channum); /* CI implies support
+                                                         * for card 0 only */
+    } else
+    {
+        if (log_level != d)
+        {
+            printk ("%s: log level changed from %d to %d\n", THIS_MODULE->name, log_level, d);
+            log_level = d;          /* set new */
+        } else
+            printk ("%s: log level is %d\n", THIS_MODULE->name, log_level);
+    }
+}
+
+
+mch_t      *
+c4_find_chan (int channum)
+{
+    ci_t       *ci;
+    mch_t      *ch;
+    int         portnum, gchan;
+
+    for (ci = c4_list; ci; ci = ci->next)
+        for (portnum = 0; portnum < ci->max_port; portnum++)
+            for (gchan = 0; gchan < MUSYCC_NCHANS; gchan++)
+            {
+                if ((ch = ci->port[portnum].chan[gchan]))
+                {
+                    if ((ch->state != UNASSIGNED) &&
+                        (ch->channum == channum))
+                        return (ch);
+                }
+            }
+    return 0;
+}
+
+
+ci_t       *__init
+c4_new (void *hi)
+{
+    ci_t       *ci;
+
+#ifdef SBE_MAP_DEBUG
+    printk (KERN_WARNING "%s: c4_new() entered, ci needs %u.\n",
+            THIS_MODULE->name, (unsigned int) sizeof (ci_t));
+#endif
+
+    ci = (ci_t *) OS_kmalloc (sizeof (ci_t));
+    if (ci)
+    {
+        ci->hdw_info = hi;
+        ci->state = C_INIT;         /* mark as hardware not available */
+        ci->next = c4_list;
+        c4_list = ci;
+        ci->brdno = ci->next ? ci->next->brdno + 1 : 0;
+    } else
+        printk (KERN_WARNING "%s: failed CI malloc, size %u.\n",
+                THIS_MODULE->name, (unsigned int) sizeof (ci_t));
+
+    if (CI == 0)
+        CI = ci;                    /* DEBUG, only board 0 usage */
+    return ci;
+}
+
+
+/***
+ * Check port state and set LED states using watchdog or ioctl...
+ * also check for in-band SF loopback commands (& cause results if they are there)
+ *
+ * Alarm function depends on comet bits indicating change in
+ * link status (linkMask) to keep the link status indication straight.
+ *
+ * Indications are only LED and system log -- except when ioctl is invoked.
+ *
+ * "alarmed" record (a.k.a. copyVal, in some cases below) decodes as:
+ *
+ *   RMAI  (E1 only) 0x100
+ *   alarm LED on    0x80
+ *   link LED on     0x40
+ *   link returned   0x20 (link was down, now it's back and 'port get' hasn't run)
+ *   change in LED   0x10 (update LED register because value has changed)
+ *   link is down    0x08
+ *   YelAlm(RAI)     0x04
+ *   RedAlm          0x02
+ *   AIS(blue)Alm    0x01
+ *
+ * note "link has returned" indication is reset on read
+ * (e.g. by use of the c4_control port get command)
+ */
+
+#define sbeLinkMask       0x41  /* change in signal status (lost/recovered) +
+                                 * state */
+#define sbeLinkChange     0x40
+#define sbeLinkDown       0x01
+#define sbeAlarmsMask     0x07  /* red / yellow / blue alarm conditions */
+#define sbeE1AlarmsMask   0x107 /* alarm conditions */
+
+#define COMET_LBCMD_READ  0x80  /* read only (do not set, return read value) */
+
+void
+checkPorts (ci_t * ci)
+{
+#ifndef CONFIG_SBE_PMCC4_NCOMM
+    /*
+     * PORT POINT - NCOMM needs to avoid this code since the polling of
+     * alarms conflicts with NCOMM's interrupt servicing implementation.
+     */
+
+    comet_t    *comet;
+    volatile u_int32_t value;
+    u_int32_t   copyVal, LEDval;
+
+    u_int8_t portnum;
+
+    LEDval = 0;
+    for (portnum = 0; portnum < ci->max_port; portnum++)
+    {
+        copyVal = 0x12f & (ci->alarmed[portnum]);       /* port's alarm record */
+        comet = ci->port[portnum].cometbase;
+        value = pci_read_32 ((u_int32_t *) &comet->cdrc_ists) & sbeLinkMask;    /* link loss reg */
+
+        if (value & sbeLinkChange)  /* is there a change in the link stuff */
+        {
+            /* if there's been a change (above) and yet it's the same (below) */
+            if (!(((copyVal >> 3) & sbeLinkDown) ^ (value & sbeLinkDown)))
+            {
+                if (value & sbeLinkDown)
+                    printk (KERN_WARN "%s: Port %d momentarily recovered.\n",
+                            ci->devname, portnum);
+                else
+                    printk (KERN_WARN
+                            "%s: Warning: Port %d link was briefly down.\n",
+                            ci->devname, portnum);
+            } else if (value & sbeLinkDown)
+                printk (KERN_WARN "%s: Warning: Port %d link is down.\n",
+                        ci->devname, portnum);
+            else
+            {
+                printk (KERN_WARN "%s: Port %d link has recovered.\n",
+                        ci->devname, portnum);
+                copyVal |= 0x20;    /* record link transition to up */
+            }
+            copyVal |= 0x10;        /* change (link) --> update LEDs  */
+        }
+        copyVal &= 0x137;           /* clear LED & link old history bits &
+                                     * save others */
+        if (value & sbeLinkDown)
+            copyVal |= 0x08;        /* record link status (now) */
+        else
+        {                           /* if link is up, do this */
+            copyVal |= 0x40;        /* LED indicate link is up    */
+            /* Alarm things & the like ... first if E1, then if T1 */
+            if (IS_FRAME_ANY_E1 (ci->port[portnum].p.port_mode))
+            {
+                /*
+                 * first check Codeword (SaX) changes & CRC and
+                 * sub-multi-frame errors
+                 */
+                /*
+                 * note these errors are printed every time they are detected
+                 * vs. alarms
+                 */
+                value = pci_read_32 ((u_int32_t *) &comet->e1_frmr_nat_ists);   /* codeword */
+                if (value & 0x1f)
+                {                   /* if errors (crc or smf only) */
+                    if (value & 0x10)
+                        printk (KERN_WARN
+                           "%s: E1 Port %d Codeword Sa4 change detected.\n",
+                                ci->devname, portnum);
+                    if (value & 0x08)
+                        printk (KERN_WARN
+                           "%s: E1 Port %d Codeword Sa5 change detected.\n",
+                                ci->devname, portnum);
+                    if (value & 0x04)
+                        printk (KERN_WARN
+                           "%s: E1 Port %d Codeword Sa6 change detected.\n",
+                                ci->devname, portnum);
+                    if (value & 0x02)
+                        printk (KERN_WARN
+                           "%s: E1 Port %d Codeword Sa7 change detected.\n",
+                                ci->devname, portnum);
+                    if (value & 0x01)
+                        printk (KERN_WARN
+                           "%s: E1 Port %d Codeword Sa8 change detected.\n",
+                                ci->devname, portnum);
+                }
+                value = pci_read_32 ((u_int32_t *) &comet->e1_frmr_mists);      /* crc & smf */
+                if (value & 0x3)
+                {                   /* if errors (crc or smf only) */
+                    if (value & sbeE1CRC)
+                        printk (KERN_WARN "%s: E1 Port %d CRC-4 error(s) detected.\n",
+                                ci->devname, portnum);
+                    if (value & sbeE1errSMF)    /* error in sub-multiframe */
+                        printk (KERN_WARN "%s: E1 Port %d received errored SMF.\n",
+                                ci->devname, portnum);
+                }
+                value = pci_read_32 ((u_int32_t *) &comet->e1_frmr_masts) & 0xcc; /* alarms */
+                /*
+                 * pack alarms together (bitmiser), and construct similar to
+                 * T1
+                 */
+                /* RAI,RMAI,.,.,LOF,AIS,.,. ==>  RMAI,.,.,.,.,.,RAI,LOF,AIS */
+                /* see 0x97 */
+                value = (value >> 2);
+                if (value & 0x30)
+                {
+                    if (value & 0x20)
+                        value |= 0x40;  /* RAI */
+                    if (value & 0x10)
+                        value |= 0x100; /* RMAI */
+                    value &= ~0x30;
+                }                   /* finished packing alarm in handy order */
+                if (value != (copyVal & sbeE1AlarmsMask))
+                {                   /* if alarms changed */
+                    copyVal |= 0x10;/* change LED status   */
+                    if ((copyVal & sbeRedAlm) && !(value & sbeRedAlm))
+                    {
+                        copyVal &= ~sbeRedAlm;
+                        printk (KERN_WARN "%s: E1 Port %d LOF alarm ended.\n",
+                                ci->devname, portnum);
+                    } else if (!(copyVal & sbeRedAlm) && (value & sbeRedAlm))
+                    {
+                        copyVal |= sbeRedAlm;
+                        printk (KERN_WARN "%s: E1 Warning: Port %d LOF alarm.\n",
+                                ci->devname, portnum);
+                    } else if ((copyVal & sbeYelAlm) && !(value & sbeYelAlm))
+                    {
+                        copyVal &= ~sbeYelAlm;
+                        printk (KERN_WARN "%s: E1 Port %d RAI alarm ended.\n",
+                                ci->devname, portnum);
+                    } else if (!(copyVal & sbeYelAlm) && (value & sbeYelAlm))
+                    {
+                        copyVal |= sbeYelAlm;
+                        printk (KERN_WARN "%s: E1 Warning: Port %d RAI alarm.\n",
+                                ci->devname, portnum);
+                    } else if ((copyVal & sbeE1RMAI) && !(value & sbeE1RMAI))
+                    {
+                        copyVal &= ~sbeE1RMAI;
+                        printk (KERN_WARN "%s: E1 Port %d RMAI alarm ended.\n",
+                                ci->devname, portnum);
+                    } else if (!(copyVal & sbeE1RMAI) && (value & sbeE1RMAI))
+                    {
+                        copyVal |= sbeE1RMAI;
+                        printk (KERN_WARN "%s: E1 Warning: Port %d RMAI alarm.\n",
+                                ci->devname, portnum);
+                    } else if ((copyVal & sbeAISAlm) && !(value & sbeAISAlm))
+                    {
+                        copyVal &= ~sbeAISAlm;
+                        printk (KERN_WARN "%s: E1 Port %d AIS alarm ended.\n",
+                                ci->devname, portnum);
+                    } else if (!(copyVal & sbeAISAlm) && (value & sbeAISAlm))
+                    {
+                        copyVal |= sbeAISAlm;
+                        printk (KERN_WARN "%s: E1 Warning: Port %d AIS alarm.\n",
+                                ci->devname, portnum);
+                    }
+                }
+                /* end of E1 alarm code */
+            } else
+            {                       /* if a T1 mode */
+                value = pci_read_32 ((u_int32_t *) &comet->t1_almi_ists);       /* alarms */
+                value &= sbeAlarmsMask;
+                if (value != (copyVal & sbeAlarmsMask))
+                {                   /* if alarms changed */
+                    copyVal |= 0x10;/* change LED status   */
+                    if ((copyVal & sbeRedAlm) && !(value & sbeRedAlm))
+                    {
+                        copyVal &= ~sbeRedAlm;
+                        printk (KERN_WARN "%s: Port %d red alarm ended.\n",
+                                ci->devname, portnum);
+                    } else if (!(copyVal & sbeRedAlm) && (value & sbeRedAlm))
+                    {
+                        copyVal |= sbeRedAlm;
+                        printk (KERN_WARN "%s: Warning: Port %d red alarm.\n",
+                                ci->devname, portnum);
+                    } else if ((copyVal & sbeYelAlm) && !(value & sbeYelAlm))
+                    {
+                        copyVal &= ~sbeYelAlm;
+                        printk (KERN_WARN "%s: Port %d yellow (RAI) alarm ended.\n",
+                                ci->devname, portnum);
+                    } else if (!(copyVal & sbeYelAlm) && (value & sbeYelAlm))
+                    {
+                        copyVal |= sbeYelAlm;
+                        printk (KERN_WARN "%s: Warning: Port %d yellow (RAI) alarm.\n",
+                                ci->devname, portnum);
+                    } else if ((copyVal & sbeAISAlm) && !(value & sbeAISAlm))
+                    {
+                        copyVal &= ~sbeAISAlm;
+                        printk (KERN_WARN "%s: Port %d blue (AIS) alarm ended.\n",
+                                ci->devname, portnum);
+                    } else if (!(copyVal & sbeAISAlm) && (value & sbeAISAlm))
+                    {
+                        copyVal |= sbeAISAlm;
+                        printk (KERN_WARN "%s: Warning: Port %d blue (AIS) alarm.\n",
+                                ci->devname, portnum);
+                    }
+                }
+            }                       /* end T1 mode alarm checks */
+        }
+        if (copyVal & sbeAlarmsMask)
+            copyVal |= 0x80;        /* if alarm turn yel LED on */
+        if (copyVal & 0x10)
+            LEDval |= 0x100;        /* tag if LED values have changed  */
+        LEDval |= ((copyVal & 0xc0) >> (6 - (portnum * 2)));
+
+        ci->alarmed[portnum] &= 0xfffff000;     /* out with the old (it's fff
+                                                 * ... foo) */
+        ci->alarmed[portnum] |= (copyVal);      /* in with the new */
+
+        /*
+         * enough with the alarms and LED's, now let's check for loopback
+         * requests
+         */
+
+        if (IS_FRAME_ANY_T1 (ci->port[portnum].p.port_mode))
+        {                           /* if a T1 mode  */
+            /*
+             * begin in-band (SF) loopback code detection -- start by reading
+             * command
+             */
+            value = pci_read_32 ((u_int32_t *) &comet->ibcd_ies);       /* detect reg. */
+            value &= 0x3;           /* trim to handy bits */
+            if (value & 0x2)
+            {                       /* activate loopback (sets for deactivate
+                                     * code length) */
+                copyVal = c4_loop_port (ci, portnum, COMET_LBCMD_READ); /* read line loopback
+                                                                         * mode */
+                if (copyVal != COMET_MDIAG_LINELB)      /* don't do it again if
+                                                         * already in that mode */
+                    c4_loop_port (ci, portnum, COMET_MDIAG_LINELB);     /* put port in line
+                                                                         * loopback mode */
+            }
+            if (value & 0x1)
+            {                       /* deactivate loopback (sets for activate
+                                     * code length) */
+                copyVal = c4_loop_port (ci, portnum, COMET_LBCMD_READ); /* read line loopback
+                                                                         * mode */
+                if (copyVal != COMET_MDIAG_LBOFF)       /* don't do it again if
+                                                         * already in that mode */
+                    c4_loop_port (ci, portnum, COMET_MDIAG_LBOFF);      /* take port out of any
+                                                                         * loopback mode */
+            }
+        }
+        if (IS_FRAME_ANY_T1ESF (ci->port[portnum].p.port_mode))
+        {                           /* if a T1 ESF mode  */
+            /* begin ESF loopback code */
+            value = pci_read_32 ((u_int32_t *) &comet->t1_rboc_sts) & 0x3f;     /* read command */
+            if (value == 0x07)
+                c4_loop_port (ci, portnum, COMET_MDIAG_LINELB); /* put port in line
+                                                                 * loopback mode */
+            if (value == 0x0a)
+                c4_loop_port (ci, portnum, COMET_MDIAG_PAYLB);  /* put port in payload
+                                                                 * loopbk mode */
+            if ((value == 0x1c) || (value == 0x19) || (value == 0x12))
+                c4_loop_port (ci, portnum, COMET_MDIAG_LBOFF);  /* take port out of any
+                                                                 * loopbk mode */
+            if (log_level >= LOG_DEBUG)
+                if (value != 0x3f)
+                    printk (KERN_WARN "%s: BOC value = %x on Port %d\n",
+                            ci->devname, value, portnum);
+            /* end ESF loopback code */
+        }
+    }
+
+    /* if something is new, update LED's */
+    if (LEDval & 0x100)
+        pci_write_32 ((u_int32_t *) &ci->cpldbase->leds, LEDval & 0xff);
+#endif                              /*** CONFIG_SBE_PMCC4_NCOMM ***/
+}
+
+
+STATIC void
+c4_watchdog (ci_t * ci)
+{
+#if 0
+    //unsigned long flags;
+#endif
+
+    if (drvr_state != SBE_DRVR_AVAILABLE)
+    {
+        if (log_level >= LOG_MONITOR)
+            printk ("%s: drvr not available (%x)\n", THIS_MODULE->name, drvr_state);
+        return;
+    }
+#if 0
+    SD_SEM_TAKE (&ci->sem_wdbusy, "_wd_");    /* only 1 thru here, per
+                                               * board */
+#endif
+
+    ci->wdcount++;
+    checkPorts (ci);
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,41)
+    if (ci->wd_notify)
+    {                               /* is there a state change to search for */
+        int         port, gchan;
+
+        ci->wd_notify = 0;          /* reset notification */
+        for (gchan = 0; gchan < MUSYCC_NCHANS; gchan++)
+        {
+            for (port = 0; port < ci->max_port; port++)
+            {
+                mch_t      *ch = ci->port[port].chan[gchan];
+
+                if (!ch || ci->state != C_RUNNING)      /* state changed while
+                                                         * acquiring semaphore */
+                    break;
+                if (ch->state == UP)/* channel must be set up */
+                {
+#if 0
+#ifdef RLD_TRANS_DEBUG
+                    if (1 || log_level >= LOG_MONITOR)
+#else
+                    if (log_level >= LOG_MONITOR)
+#endif
+                        printk ("%s: watchdog reviving Port %d Channel %d [%d] sts %x/%x, start_TX %x free %x start_RX %x\n",
+                         ci->devname, ch->channum, port, gchan, ch->channum,
+                                ch->p.status, ch->status,
+                            ch->ch_start_tx, ch->txd_free, ch->ch_start_rx);
+#endif
+
+                    /**********************************/
+                    /** check for RX restart request **/
+                    /**********************************/
+
+                    if (ch->ch_start_rx &&
+                        (ch->status & RX_ENABLED))      /* requires start on
+                                                         * enabled RX */
+                    {
+                        ch->ch_start_rx = 0;    /* we are restarting RX... */
+#ifdef RLD_TRANS_DEBUG
+                        printk ("++ c4_watchdog() CHAN RX ACTIVATE: chan %d\n", ch->channum);
+#endif
+#ifdef RLD_RXACT_DEBUG
+                        {
+                            struct mdesc *md;
+                            static int  hereb4 = 7;
+
+                            if (hereb4)
+                            {
+                                hereb4--;
+                                md = &ch->mdr[ch->rxix_irq_srv];
+                                printk ("++ c4_watchdog[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
+                                        ch->channum, ch->rxix_irq_srv, md, le32_to_cpu (md->status), ch->s.rx_packets);
+                                musycc_dump_rxbuffer_ring (ch, 1);      /* RLD DEBUG */
+                            }
+                        }
+#endif
+                        musycc_serv_req (ch->up, SR_CHANNEL_ACTIVATE | SR_RX_DIRECTION | gchan);
+                    }
+                    /**********************************/
+                    /** check for TX restart request **/
+                    /**********************************/
+
+                    if (ch->ch_start_tx &&
+                        (ch->status & TX_ENABLED))      /* requires start on
+                                                         * enabled TX */
+                    {
+                        struct mdesc *md;
+
+                        /*
+                         * find next unprocessed message, then set TX thp to
+                         * it
+                         */
+                        musycc_update_tx_thp (ch);
+
+#if 0
+                        spin_lock_irqsave (&ch->ch_txlock, flags);
+#endif
+                        md = ch->txd_irq_srv;
+                        if (!md)
+                        {
+                            printk ("-- c4_watchdog[%d]: WARNING, starting NULL md\n", ch->channum);
+                            printk ("--   chan %d txd_irq_srv %p sts %x usr_add %p sts %x, txpkt %lu\n",
+                                    ch->channum, ch->txd_irq_srv, le32_to_cpu ((struct mdesc *) (ch->txd_irq_srv)->status),
+                                    ch->txd_usr_add, le32_to_cpu ((struct mdesc *) (ch->txd_usr_add)->status),
+                                    ch->s.tx_packets);
+#if 0
+                            spin_unlock_irqrestore (&ch->ch_txlock, flags);
+#endif
+                        } else if (md->data && ((le32_to_cpu (md->status)) & MUSYCC_TX_OWNED))
+                        {
+#ifdef RLD_TRANS_DEBUG
+                            printk ("++ c4_watchdog[%d] CHAN TX ACTIVATE: start_tx %x\n", ch->channum, ch->ch_start_tx);
+#endif
+                            ch->ch_start_tx = 0;        /* we are restarting
+                                                         * TX... */
+#if 0
+                            spin_unlock_irqrestore (&ch->ch_txlock, flags);   /* allow interrupts for
+                                                                               * service request */
+#endif
+                            musycc_serv_req (ch->up, SR_CHANNEL_ACTIVATE | SR_TX_DIRECTION | gchan);
+#ifdef RLD_TRANS_DEBUG
+                            if (1 || log_level >= LOG_MONITOR)
+#else
+                            if (log_level >= LOG_MONITOR)
+#endif
+                                printk ("++ SACK[P%d/C%d] ack'd, continuing...\n", ch->up->portnum, ch->channum);
+                        }
+                    }
+                }
+            }
+        }
+    }
+#else
+    ci->wd_notify = 0;
+#endif
+#if 0
+    SD_SEM_GIVE (&ci->sem_wdbusy);/* release per-board hold */
+#endif
+}
+
+
+void
+c4_cleanup (void)
+{
+    ci_t       *ci, *next;
+    mpi_t      *pi;
+    int         portnum, j;
+
+    ci = c4_list;
+    while (ci)
+    {
+        next = ci->next;            /* protect <next> from upcoming <free> */
+        pci_write_32 ((u_int32_t *) &ci->cpldbase->leds, PMCC4_CPLD_LED_OFF);
+        for (portnum = 0; portnum < ci->max_port; portnum++)
+        {
+            pi = &ci->port[portnum];
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
+            c4_wq_port_cleanup (pi);
+#endif
+            for (j = 0; j < MUSYCC_NCHANS; j++)
+            {
+                if (pi->chan[j])
+                    OS_kfree (pi->chan[j]);     /* free mch_t struct */
+            }
+            OS_kfree (pi->regram_saved);
+        }
+#if 0
+        /* obsolete - watchdog is now static w/in ci_t */
+        OS_free_watchdog (ci->wd);
+#endif
+        OS_kfree (ci->iqd_p_saved);
+        OS_kfree (ci);
+        ci = next;                  /* cleanup next board, if any */
+    }
+}
+
+
+/*
+ * This function issues a write to all comet chips and expects the same data
+ * to be returned from the subsequent read.  This determines the board build
+ * to be a 1-port, 2-port, or 4-port build.  The value returned represents a
+ * bit-mask of the found ports.  Only certain configurations are considered
+ * VALID or LEGAL builds.
+ */
+
+int
+c4_get_portcfg (ci_t * ci)
+{
+    comet_t    *comet;
+    int         portnum, mask;
+    u_int32_t   wdata, rdata;
+
+    wdata = COMET_MDIAG_LBOFF;      /* take port out of any loopback mode */
+
+    mask = 0;
+    for (portnum = 0; portnum < MUSYCC_NPORTS; portnum++)
+    {
+        comet = ci->port[portnum].cometbase;
+        pci_write_32 ((u_int32_t *) &comet->mdiag, wdata);
+        rdata = pci_read_32 ((u_int32_t *) &comet->mdiag) & COMET_MDIAG_LBMASK;
+        if (wdata == rdata)
+            mask |= 1 << portnum;
+    }
+    return mask;
+}
+
+
+/* nothing herein should generate interrupts */
+
+status_t    __init
+c4_init (ci_t * ci, u_char *func0, u_char *func1)
+{
+    mpi_t      *pi;
+    mch_t      *ch;
+    static u_int32_t count = 0;
+    int         portnum, j;
+
+    ci->state = C_INIT;
+    ci->brdno = count++;
+    ci->intlog.this_status_new = 0;
+    atomic_set (&ci->bh_pending, 0);
+
+    ci->reg = (struct musycc_globalr *) func0;
+    ci->eeprombase = (u_int32_t *) (func1 + EEPROM_OFFSET);
+    ci->cpldbase = (c4cpld_t *) ((u_int32_t *) (func1 + ISPLD_OFFSET));
+
+    /*** PORT POINT - the following is the first access of any type to the hardware ***/
+#ifdef CONFIG_SBE_PMCC4_NCOMM
+    /* NCOMM driver uses INTB interrupt to monitor CPLD register */
+    pci_write_32 ((u_int32_t *) &ci->reg->glcd, GCD_MAGIC);
+#else
+    /* standard driver POLLS for INTB via CPLD register */
+    pci_write_32 ((u_int32_t *) &ci->reg->glcd, GCD_MAGIC | MUSYCC_GCD_INTB_DISABLE);
+#endif
+
+    {
+        int         pmsk;
+
+        /* need comet addresses available for determination of hardware build */
+        for (portnum = 0; portnum < MUSYCC_NPORTS; portnum++)
+        {
+            pi = &ci->port[portnum];
+            pi->cometbase = (comet_t *) ((u_int32_t *) (func1 + COMET_OFFSET (portnum)));
+            pi->reg = (struct musycc_globalr *) ((u_char *) ci->reg + (portnum * 0x800));
+            pi->portnum = portnum;
+            pi->p.portnum = portnum;
+            pi->openchans = 0;
+#ifdef SBE_MAP_DEBUG
+            printk ("Comet-%d: addr = %p\n", portnum, pi->cometbase);
+#endif
+        }
+        pmsk = c4_get_portcfg (ci);
+        switch (pmsk)
+        {
+        case 0x1:
+            ci->max_port = 1;
+            break;
+        case 0x3:
+            ci->max_port = 2;
+            break;
+#if 0
+        case 0x7:                   /* not built, but could be... */
+            ci->max_port = 3;
+            break;
+#endif
+        case 0xf:
+            ci->max_port = 4;
+            break;
+        default:
+            ci->max_port = 0;
+            printk (KERN_WARNING "%s: illegal port configuration (%x)\n", ci->devname, pmsk);
+            return SBE_DRVR_FAIL;
+        }
+#ifdef SBE_MAP_DEBUG
+        printk (">> %s: c4_get_build - pmsk %x max_port %x\n", ci->devname, pmsk, ci->max_port);
+#endif
+    }
+
+    for (portnum = 0; portnum < ci->max_port; portnum++)
+    {
+        pi = &ci->port[portnum];
+        pi->up = ci;
+        pi->sr_last = 0xffffffff;
+        pi->p.port_mode = CFG_FRAME_SF; /* T1 B8ZS, the default */
+        pi->p.portP = (CFG_CLK_PORT_EXTERNAL | CFG_LBO_LH0);    /* T1 defaults */
+
+        OS_sem_init (&pi->sr_sem_busy, SEM_AVAILABLE);
+        OS_sem_init (&pi->sr_sem_wait, SEM_TAKEN);
+
+        for (j = 0; j < 32; j++)
+        {
+            pi->fifomap[j] = -1;
+            pi->tsm[j] = 0;         /* no assignments, all available */
+        }
+
+        /* allocate channel structures for this port */
+        for (j = 0; j < MUSYCC_NCHANS; j++)
+        {
+            ch = OS_kmalloc (sizeof (mch_t));
+            if (ch)
+            {
+                pi->chan[j] = ch;
+                ch->state = UNASSIGNED;
+                ch->up = pi;
+                ch->gchan = (-1);   /* channel assignment not yet known */
+                ch->channum = (-1); /* channel assignment not yet known */
+                ch->p.card = ci->brdno;
+                ch->p.port = portnum;
+                ch->p.channum = (-1);   /* channel assignment not yet known */
+                ch->p.mode_56k = 0; /* default is 64kbps mode */
+            } else
+            {
+                printk (KERN_WARNING "%s: failed mch_t malloc, port %d channel %d size %u.\n",
+                        THIS_MODULE->name, portnum, j, (unsigned int) sizeof (mch_t));
+                break;
+            }
+        }
+    }
+
+
+    {
+        /*
+         * Set LEDs through their paces to supply visual proof that LEDs are
+         * functional and not burnt out nor broken.
+         *
+         * YELLOW + GREEN -> OFF.
+         */
+
+        pci_write_32 ((u_int32_t *) &ci->cpldbase->leds,
+                      PMCC4_CPLD_LED_GREEN | PMCC4_CPLD_LED_YELLOW);
+        OS_uwait (750000, "leds");
+        pci_write_32 ((u_int32_t *) &ci->cpldbase->leds, PMCC4_CPLD_LED_OFF);
+    }
+
+    OS_init_watchdog (&ci->wd, (void (*) (void *)) c4_watchdog, ci, WATCHDOG_TIMEOUT);
+    return SBE_DRVR_SUCCESS;
+}
+
+
+/* better be fully setup to handle interrupts when you call this */
+
+status_t    __init
+c4_init2 (ci_t * ci)
+{
+    status_t    ret;
+
+    /* PORT POINT: this routine generates first interrupt */
+    if ((ret = musycc_init (ci)) != SBE_DRVR_SUCCESS)
+        return ret;
+
+#if 0
+    ci->p.framing_type = FRAMING_CBP;
+    ci->p.h110enable = 1;
+#if 0
+    ci->p.hypersize = 0;
+#else
+    hyperdummy = 0;
+#endif
+    ci->p.clock = 0;                /* Use internal clocking until set to
+                                     * external */
+    c4_card_set_params (ci, &ci->p);
+#endif
+    OS_start_watchdog (&ci->wd);
+    return SBE_DRVR_SUCCESS;
+}
+
+
+/* This function sets the loopback mode (or clears it, as the case may be). */
+
+int
+c4_loop_port (ci_t * ci, int portnum, u_int8_t cmd)
+{
+    comet_t    *comet;
+    volatile u_int32_t loopValue;
+
+    comet = ci->port[portnum].cometbase;
+    loopValue = pci_read_32 ((u_int32_t *) &comet->mdiag) & COMET_MDIAG_LBMASK;
+
+    if (cmd & COMET_LBCMD_READ)
+        return loopValue;           /* return the read value */
+
+    if (loopValue != cmd)
+    {
+        switch (cmd)
+        {
+        case COMET_MDIAG_LINELB:
+            /* set(SF)loopback down (turn off) code length to 6 bits */
+            pci_write_32 ((u_int32_t *) &comet->ibcd_cfg, 0x05);
+            break;
+        case COMET_MDIAG_LBOFF:
+            /* set (SF) loopback up (turn on) code length to 5 bits */
+            pci_write_32 ((u_int32_t *) &comet->ibcd_cfg, 0x00);
+            break;
+        }
+
+        pci_write_32 ((u_int32_t *) &comet->mdiag, cmd);
+        if (log_level >= LOG_WARN)
+            printk ("%s: loopback mode changed to %2x from %2x on Port %d\n",
+                    ci->devname, cmd, loopValue, portnum);
+        loopValue = pci_read_32 ((u_int32_t *) &comet->mdiag) & COMET_MDIAG_LBMASK;
+        if (loopValue != cmd)
+        {
+            if (log_level >= LOG_ERROR)
+                printk ("%s: write to loop register failed, unknown state for Port %d\n",
+                        ci->devname, portnum);
+        }
+    } else
+    {
+        if (log_level >= LOG_WARN)
+            printk ("%s: loopback already in that mode (%2x)\n", ci->devname, loopValue);
+    }
+    return 0;
+}
+
+
+/* c4_frame_rw: read or write the comet register specified
+ * (modifies use of port_param to non-standard use of struct)
+ * Specifically:
+ *   pp.portnum     (one guess)
+ *   pp.port_mode   offset of register
+ *   pp.portP       write (or not, i.e. read)
+ *   pp.portStatus  write value
+ * BTW:
+ *   pp.portStatus  also used to return read value
+ *   pp.portP       also used during write, to return old reg value
+ */
+
+status_t
+c4_frame_rw (ci_t * ci, struct sbecom_port_param * pp)
+{
+    comet_t    *comet;
+    volatile u_int32_t data;
+
+    if (pp->portnum >= ci->max_port)/* sanity check */
+        return ENXIO;
+
+    comet = ci->port[pp->portnum].cometbase;
+    data = pci_read_32 ((u_int32_t *) comet + pp->port_mode) & 0xff;
+
+    if (pp->portP)
+    {                               /* control says this is a register
+                                     * _write_ */
+        if (pp->portStatus == data)
+            printk ("%s: Port %d already that value!  Writing again anyhow.\n",
+                    ci->devname, pp->portnum);
+        pp->portP = (u_int8_t) data;
+        pci_write_32 ((u_int32_t *) comet + pp->port_mode,
+                      pp->portStatus);
+        data = pci_read_32 ((u_int32_t *) comet + pp->port_mode) & 0xff;
+    }
+    pp->portStatus = (u_int8_t) data;
+    return 0;
+}
+
+
+/* c4_pld_rw: read or write the pld register specified
+ * (modifies use of port_param to non-standard use of struct)
+ * Specifically:
+ *   pp.port_mode   offset of register
+ *   pp.portP       write (or not, i.e. read)
+ *   pp.portStatus  write value
+ * BTW:
+ *   pp.portStatus  also used to return read value
+ *   pp.portP       also used during write, to return old reg value
+ */
+
+status_t
+c4_pld_rw (ci_t * ci, struct sbecom_port_param * pp)
+{
+    volatile u_int32_t *regaddr;
+    volatile u_int32_t data;
+    int         regnum = pp->port_mode;
+
+    regaddr = (u_int32_t *) ci->cpldbase + regnum;
+    data = pci_read_32 ((u_int32_t *) regaddr) & 0xff;
+
+    if (pp->portP)
+    {                               /* control says this is a register
+                                     * _write_ */
+        pp->portP = (u_int8_t) data;
+        pci_write_32 ((u_int32_t *) regaddr, pp->portStatus);
+        data = pci_read_32 ((u_int32_t *) regaddr) & 0xff;
+    }
+    pp->portStatus = (u_int8_t) data;
+    return 0;
+}
+
+/* c4_musycc_rw: read or write the musycc register specified
+ * (modifies use of port_param to non-standard use of struct)
+ * Specifically:
+ *    mcp.RWportnum   port number and write indication bit (0x80)
+ *    mcp.offset      offset of register
+ *    mcp.value       write value going in and read value returning
+ */
+
+/* PORT POINT: TX Subchannel Map registers are write-only
+ * areas within the MUSYCC and always return FF */
+/* PORT POINT: regram and reg structures are minorly different and <offset> ioctl
+ * settings are aligned with the <reg> struct musycc_globalr{} usage.
+ * Also, regram is separately allocated shared memory, allocated for each port.
+ * PORT POINT: access offsets of 0x6000 for Msg Cfg Desc Tbl are for 4-port MUSYCC
+ * only.  (An 8-port MUSYCC has 0x16000 offsets for accessing its upper 4 tables.)
+ */
+
+status_t
+c4_musycc_rw (ci_t * ci, struct c4_musycc_param * mcp)
+{
+    mpi_t      *pi;
+    volatile u_int32_t *dph;    /* hardware implemented register */
+    u_int32_t  *dpr = 0;        /* RAM image of registers for group command
+                                 * usage */
+    int         offset = mcp->offset % 0x800;   /* group relative address
+                                                 * offset, mcp->portnum is
+                                                 * not used */
+    int         portnum, ramread = 0;
+    volatile u_int32_t data;
+
+    /*
+     * Sanity check hardware accessibility.  The 0x6000 portion handles port
+     * numbers associated with Msg Descr Tbl decoding.
+     */
+    portnum = (mcp->offset % 0x6000) / 0x800;
+    if (portnum >= ci->max_port)
+        return ENXIO;
+    pi = &ci->port[portnum];
+    if (mcp->offset >= 0x6000)
+        offset += 0x6000;           /* put back in MsgCfgDesc address offset */
+    dph = (u_int32_t *) ((u_long) pi->reg + offset);
+
+    /* read of TX are from RAM image, since hardware returns FF */
+    dpr = (u_int32_t *) ((u_long) pi->regram + offset);
+    if (mcp->offset < 0x6000)       /* non MsgDesc Tbl accesses might require
+                                     * RAM access */
+    {
+        if (offset >= 0x200 && offset < 0x380)
+            ramread = 1;
+        if (offset >= 0x10 && offset < 0x200)
+            ramread = 1;
+    }
+    /* read register from RAM or hardware, depending... */
+    if (ramread)
+    {
+        data = *dpr;
+        //printk ("c4_musycc_rw: RAM addr %p  read data %x (portno %x offset %x RAM ramread %x)\n", dpr, data, portnum, offset, ramread); /* RLD DEBUG */
+    } else
+    {
+        data = pci_read_32 ((u_int32_t *) dph);
+        //printk ("c4_musycc_rw: REG addr %p  read data %x (portno %x offset %x RAM ramread %x)\n", dph, data, portnum, offset, ramread); /* RLD DEBUG */
+    }
+
+
+    if (mcp->RWportnum & 0x80)
+    {                               /* control says this is a register
+                                     * _write_ */
+        if (mcp->value == data)
+            printk ("%s: musycc grp%d already that value! writing again anyhow.\n",
+                    ci->devname, (mcp->RWportnum & 0x7));
+        /* write register RAM */
+        if (ramread)
+            *dpr = mcp->value;
+        /* write hardware register */
+        pci_write_32 ((u_int32_t *) dph, mcp->value);
+    }
+    mcp->value = data;              /* return the read value (or the 'old
+                                     * value', if is write) */
+    return 0;
+}
+
+status_t
+c4_get_port (ci_t * ci, int portnum)
+{
+    if (portnum >= ci->max_port)    /* sanity check */
+        return ENXIO;
+
+    SD_SEM_TAKE (&ci->sem_wdbusy, "_wd_");      /* only 1 thru here, per
+                                                 * board */
+    checkPorts (ci);
+    ci->port[portnum].p.portStatus = (u_int8_t) ci->alarmed[portnum];
+    ci->alarmed[portnum] &= 0xdf;
+    SD_SEM_GIVE (&ci->sem_wdbusy);  /* release per-board hold */
+    return 0;
+}
+
+status_t
+c4_set_port (ci_t * ci, int portnum)
+{
+    mpi_t      *pi;
+    struct sbecom_port_param *pp;
+    int         e1mode;
+    u_int8_t    clck;
+    int         i;
+
+    if (portnum >= ci->max_port)    /* sanity check */
+        return ENXIO;
+
+    pi = &ci->port[portnum];
+    pp = &ci->port[portnum].p;
+    e1mode = IS_FRAME_ANY_E1 (pp->port_mode);
+    if (log_level >= LOG_MONITOR2)
+    {
+        printk ("%s: c4_set_port[%d]:  entered, e1mode = %x, openchans %d.\n",
+                ci->devname,
+                portnum, e1mode, pi->openchans);
+    }
+    if (pi->openchans)
+        return EBUSY;               /* group needs initialization only for
+                                     * first channel of a group */
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
+    {
+        status_t    ret;
+
+        if ((ret = c4_wq_port_init (pi)))       /* create/init
+                                                 * workqueue_struct */
+            return (ret);
+    }
+#endif
+
+    init_comet (ci, pi->cometbase, pp->port_mode, 1 /* clockmaster == true */ , pp->portP);
+    clck = pci_read_32 ((u_int32_t *) &ci->cpldbase->mclk) & PMCC4_CPLD_MCLK_MASK;
+    if (e1mode)
+        clck |= 1 << portnum;
+    else
+        clck &= 0xf ^ (1 << portnum);
+
+    pci_write_32 ((u_int32_t *) &ci->cpldbase->mclk, clck);
+    pci_write_32 ((u_int32_t *) &ci->cpldbase->mcsr, PMCC4_CPLD_MCSR_IND);
+    pci_write_32 ((u_int32_t *) &pi->reg->gbp, OS_vtophys (pi->regram));
+
+    /*********************************************************************/
+    /* ERRATA: If transparent mode is used, do not set OOFMP_DISABLE bit */
+    /*********************************************************************/
+
+    pi->regram->grcd =
+        __constant_cpu_to_le32 (MUSYCC_GRCD_RX_ENABLE |
+                                MUSYCC_GRCD_TX_ENABLE |
+                                MUSYCC_GRCD_OOFMP_DISABLE |
+                                MUSYCC_GRCD_SF_ALIGN |  /* per MUSYCC ERRATA,
+                                                         * for T1 * fix */
+                                MUSYCC_GRCD_COFAIRQ_DISABLE |
+                                MUSYCC_GRCD_MC_ENABLE |
+                       (MUSYCC_GRCD_POLLTH_32 << MUSYCC_GRCD_POLLTH_SHIFT));
+
+    pi->regram->pcd =
+        __constant_cpu_to_le32 ((e1mode ? 1 : 0) |
+                                MUSYCC_PCD_TXSYNC_RISING |
+                                MUSYCC_PCD_RXSYNC_RISING |
+                                MUSYCC_PCD_RXDATA_RISING);
+
+    /* Message length descriptor */
+    pi->regram->mld = __constant_cpu_to_le32 (max_mru | (max_mru << 16));
+
+    /* tsm algorithm */
+    for (i = 0; i < 32; i++)
+    {
+
+        /*** ASSIGNMENT NOTES:                             ***/
+        /*** Group's channel  ZERO  unavailable if E1.     ***/
+        /*** Group's channel  16    unavailable if E1 CAS. ***/
+        /*** Group's channels 24-31 unavailable if T1.     ***/
+
+        if (((i == 0) && e1mode) ||
+            ((i == 16) && ((pp->port_mode == CFG_FRAME_E1CRC_CAS) || (pp->port_mode == CFG_FRAME_E1CRC_CAS_AMI)))
+            || ((i > 23) && (!e1mode)))
+        {
+            pi->tsm[i] = 0xff;      /* make tslot unavailable for this mode */
+        } else
+        {
+            pi->tsm[i] = 0x00;      /* make tslot available for assignment */
+        }
+    }
+    for (i = 0; i < MUSYCC_NCHANS; i++)
+    {
+        pi->regram->ttsm[i] = 0;
+        pi->regram->rtsm[i] = 0;
+    }
+    FLUSH_MEM_WRITE ();
+    musycc_serv_req (pi, SR_GROUP_INIT | SR_RX_DIRECTION);
+    musycc_serv_req (pi, SR_GROUP_INIT | SR_TX_DIRECTION);
+
+    musycc_init_mdt (pi);
+
+    pi->group_is_set = 1;
+    pi->p = *pp;
+    return 0;
+}
+
+
+unsigned int max_int = 0;
+
+status_t
+c4_new_chan (ci_t * ci, int portnum, int channum, void *user)
+{
+    mpi_t      *pi;
+    mch_t      *ch;
+    int         gchan;
+
+    if (c4_find_chan (channum))     /* a new channel shouldn't already exist */
+        return EEXIST;
+
+    if (portnum >= ci->max_port)    /* sanity check */
+        return ENXIO;
+
+    pi = &(ci->port[portnum]);
+    /* find any available channel within this port */
+    for (gchan = 0; gchan < MUSYCC_NCHANS; gchan++)
+    {
+        ch = pi->chan[gchan];
+        if (ch && ch->state == UNASSIGNED)      /* no assignment is good! */
+            break;
+    }
+    if (gchan == MUSYCC_NCHANS)     /* exhausted table, all were assigned */
+        return ENFILE;
+
+    ch->up = pi;
+
+    /* NOTE: mch_t already cleared during OS_kmalloc() */
+    ch->state = DOWN;
+    ch->user = user;
+    ch->gchan = gchan;
+    ch->channum = channum;          /* mark our channel assignment */
+    ch->p.channum = channum;
+#if 1
+    ch->p.card = ci->brdno;
+    ch->p.port = portnum;
+#endif
+    ch->p.chan_mode = CFG_CH_PROTO_HDLC_FCS16;
+    ch->p.idlecode = CFG_CH_FLAG_7E;
+    ch->p.pad_fill_count = 2;
+    spin_lock_init (&ch->ch_rxlock);
+    spin_lock_init (&ch->ch_txlock);
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
+    {
+        status_t    ret;
+
+        if ((ret = c4_wk_chan_init (pi, ch)))
+            return ret;
+    }
+#endif
+
+    /* save off interface assignments which bound a board */
+    if (ci->first_if == 0)          /* first channel registered is assumed to
+                                     * be the lowest channel */
+    {
+        ci->first_if = ci->last_if = user;
+        ci->first_channum = ci->last_channum = channum;
+    } else
+    {
+        ci->last_if = user;
+        if (ci->last_channum < channum) /* higher number channel found */
+            ci->last_channum = channum;
+    }
+    return 0;
+}
+
+status_t
+c4_del_chan (int channum)
+{
+    mch_t      *ch;
+
+    if (!(ch = c4_find_chan (channum)))
+        return ENOENT;
+    if (ch->state == UP)
+        musycc_chan_down ((ci_t *) 0, channum);
+    ch->state = UNASSIGNED;
+    ch->gchan = (-1);
+    ch->channum = (-1);
+    ch->p.channum = (-1);
+    return 0;
+}
+
+status_t
+c4_del_chan_stats (int channum)
+{
+    mch_t      *ch;
+
+    if (!(ch = c4_find_chan (channum)))
+        return ENOENT;
+
+    memset (&ch->s, 0, sizeof (struct sbecom_chan_stats));
+    return 0;
+}
+
+
+status_t
+c4_set_chan (int channum, struct sbecom_chan_param * p)
+{
+    mch_t      *ch;
+    int         i, x = 0;
+
+    if (!(ch = c4_find_chan (channum)))
+        return ENOENT;
+
+#if 1
+    if (ch->p.card != p->card ||
+        ch->p.port != p->port ||
+        ch->p.channum != p->channum)
+        return EINVAL;
+#endif
+
+    if (!(ch->up->group_is_set))
+    {
+        return EIO;                 /* out of order, SET_PORT command
+                                     * required prior to first group's
+                                     * SET_CHAN command */
+    }
+    /*
+     * Check for change of parameter settings in order to invoke closing of
+     * channel prior to hardware poking.
+     */
+
+    if (ch->p.status != p->status || ch->p.chan_mode != p->chan_mode ||
+        ch->p.data_inv != p->data_inv || ch->p.intr_mask != p->intr_mask ||
+        ch->txd_free < ch->txd_num) /* to clear out queued messages */
+        x = 1;                      /* we have a change requested */
+    for (i = 0; i < 32; i++)        /* check for timeslot mapping changes */
+        if (ch->p.bitmask[i] != p->bitmask[i])
+            x = 1;                  /* we have a change requested */
+    ch->p = *p;
+    if (x && (ch->state == UP))     /* if change request and channel is
+                                     * open... */
+    {
+        status_t    ret;
+
+        if ((ret = musycc_chan_down ((ci_t *) 0, channum)))
+            return ret;
+        if ((ret = c4_chan_up (ch->up->up, channum)))
+            return ret;
+        sd_enable_xmit (ch->user);  /* re-enable to catch flow controlled
+                                     * channel */
+    }
+    return 0;
+}
+
+
+status_t
+c4_get_chan (int channum, struct sbecom_chan_param * p)
+{
+    mch_t      *ch;
+
+    if (!(ch = c4_find_chan (channum)))
+        return ENOENT;
+    *p = ch->p;
+    return 0;
+}
+
+status_t
+c4_get_chan_stats (int channum, struct sbecom_chan_stats * p)
+{
+    mch_t      *ch;
+
+    if (!(ch = c4_find_chan (channum)))
+        return ENOENT;
+    *p = ch->s;
+    p->tx_pending = atomic_read (&ch->tx_pending);
+    return 0;
+}
+
+STATIC int
+c4_fifo_alloc (mpi_t * pi, int chan, int *len)
+{
+    int         i, l = 0, start = 0, max = 0, maxstart = 0;
+
+    for (i = 0; i < 32; i++)
+    {
+        if (pi->fifomap[i] != -1)
+        {
+            l = 0;
+            start = i + 1;
+            continue;
+        }
+        ++l;
+        if (l > max)
+        {
+            max = l;
+            maxstart = start;
+        }
+        if (max == *len)
+            break;
+    }
+    if (max != *len)
+    {
+        if (log_level >= LOG_WARN)
+            printk (
+                  "%s: wanted to allocate %d fifo space, but got only %d\n",
+                    pi->up->devname, *len, max);
+        *len = max;
+    }
+    if (log_level >= LOG_DEBUG)
+        printk ("%s: allocated %d fifo at %d for channel %d/%d\n",
+                pi->up->devname, max, start, chan, pi->p.portnum);
+    for (i = maxstart; i < (maxstart + max); i++)
+        pi->fifomap[i] = chan;
+    return start;
+}
+
+void
+c4_fifo_free (mpi_t * pi, int chan)
+{
+    int         i;
+
+    if (log_level >= LOG_DEBUG)
+        printk ("%s: deallocated fifo for channel %d/%d\n",
+                pi->up->devname, chan, pi->p.portnum);
+    for (i = 0; i < 32; i++)
+        if (pi->fifomap[i] == chan)
+            pi->fifomap[i] = -1;
+}
+
+
+status_t
+c4_chan_up (ci_t * ci, int channum)
+{
+    mpi_t      *pi;
+    mch_t      *ch;
+    struct mbuf *m;
+    struct mdesc *md;
+    int         nts, nbuf, txnum, rxnum;
+    int         addr, i, j, gchan;
+    u_int32_t   tmp;            /* for optimizing conversion across BE
+                                 * platform */
+
+    if (!(ch = c4_find_chan (channum)))
+        return ENOENT;
+    if (ch->state == UP)
+    {
+        if (log_level >= LOG_MONITOR)
+            printk ("%s: channel already UP, graceful early exit\n", ci->devname);
+        return 0;
+    }
+    pi = ch->up;
+    gchan = ch->gchan;
+    /* find nts ('number of timeslots') */
+    nts = 0;
+    for (i = 0; i < 32; i++)
+    {
+        if (ch->p.bitmask[i] & pi->tsm[i])
+        {
+            if (1 || log_level >= LOG_WARN)
+            {
+                printk ("%s: c4_chan_up[%d] EINVAL (attempt to cfg in-use or unavailable TimeSlot[%d])\n",
+                        ci->devname, channum, i);
+                printk ("+ ask4 %x, currently %x\n", ch->p.bitmask[i], pi->tsm[i]);
+            }
+            return EINVAL;
+        }
+        for (j = 0; j < 8; j++)
+            if (ch->p.bitmask[i] & (1 << j))
+                nts++;
+    }
+
+    nbuf = nts / 8 ? nts / 8 : 1;
+    if (!nbuf)
+    {
+        /* if( log_level >= LOG_WARN)  */
+        printk ("%s: c4_chan_up[%d] ENOBUFS (no TimeSlots assigned)\n", ci->devname, channum);
+        return ENOBUFS;             /* this should not happen */
+    }
+    addr = c4_fifo_alloc (pi, gchan, &nbuf);
+    ch->state = UP;
+
+    /* Setup the Time Slot Map */
+    musycc_update_timeslots (pi);
+
+    /* ch->tx_limit = nts; */
+    ch->s.tx_pending = 0;
+
+    /* Set Channel Configuration Descriptors */
+    {
+        u_int32_t   ccd;
+
+        ccd = musycc_chan_proto (ch->p.chan_mode) << MUSYCC_CCD_PROTO_SHIFT;
+        if ((ch->p.chan_mode == CFG_CH_PROTO_ISLP_MODE) ||
+            (ch->p.chan_mode == CFG_CH_PROTO_TRANS))
+        {
+            ccd |= MUSYCC_CCD_FCS_XFER; /* Non FSC Mode */
+        }
+        ccd |= 2 << MUSYCC_CCD_MAX_LENGTH;      /* Select second MTU */
+        ccd |= ch->p.intr_mask;
+        ccd |= addr << MUSYCC_CCD_BUFFER_LOC;
+        if (ch->p.chan_mode == CFG_CH_PROTO_TRANS)
+            ccd |= (nbuf) << MUSYCC_CCD_BUFFER_LENGTH;
+        else
+            ccd |= (nbuf - 1) << MUSYCC_CCD_BUFFER_LENGTH;
+
+        if (ch->p.data_inv & CFG_CH_DINV_TX)
+            ccd |= MUSYCC_CCD_INVERT_DATA;      /* Invert data */
+        pi->regram->tcct[gchan] = cpu_to_le32 (ccd);
+
+        if (ch->p.data_inv & CFG_CH_DINV_RX)
+            ccd |= MUSYCC_CCD_INVERT_DATA;      /* Invert data */
+        else
+            ccd &= ~MUSYCC_CCD_INVERT_DATA;     /* take away data inversion */
+        pi->regram->rcct[gchan] = cpu_to_le32 (ccd);
+        FLUSH_MEM_WRITE ();
+    }
+
+    /* Reread the Channel Configuration Descriptor for this channel */
+    musycc_serv_req (pi, SR_CHANNEL_CONFIG | SR_RX_DIRECTION | gchan);
+    musycc_serv_req (pi, SR_CHANNEL_CONFIG | SR_TX_DIRECTION | gchan);
+
+    /*
+     * Figure out how many buffers we want.  If the customer has changed from
+     * the defaults, then use the changed values.  Otherwise, use Transparent
+     * mode's specific minimum default settings.
+     */
+    if (ch->p.chan_mode == CFG_CH_PROTO_TRANS)
+    {
+        if (max_rxdesc_used == max_rxdesc_default)      /* use default setting */
+            max_rxdesc_used = MUSYCC_RXDESC_TRANS;
+        if (max_txdesc_used == max_txdesc_default)      /* use default setting */
+            max_txdesc_used = MUSYCC_TXDESC_TRANS;
+    }
+    /*
+     * Increase counts when hyperchanneling, since this implies an increase
+     * in throughput per channel
+     */
+    rxnum = max_rxdesc_used + (nts / 4);
+    txnum = max_txdesc_used + (nts / 4);
+
+#if 0
+    /* DEBUG INFO */
+    if (log_level >= LOG_MONITOR)
+        printk ("%s: mode %x rxnum %d (rxused %d def %d) txnum %d (txused %d def %d)\n",
+                ci->devname, ch->p.chan_mode,
+                rxnum, max_rxdesc_used, max_rxdesc_default,
+                txnum, max_txdesc_used, max_txdesc_default);
+#endif
+
+    ch->rxd_num = rxnum;
+    ch->txd_num = txnum;
+    ch->rxix_irq_srv = 0;
+
+    ch->mdr = OS_kmalloc (sizeof (struct mdesc) * rxnum);
+    ch->mdt = OS_kmalloc (sizeof (struct mdesc) * txnum);
+    if (ch->p.chan_mode == CFG_CH_PROTO_TRANS)
+        tmp = __constant_cpu_to_le32 (max_mru | EOBIRQ_ENABLE);
+    else
+        tmp = __constant_cpu_to_le32 (max_mru);
+
+    for (i = 0, md = ch->mdr; i < rxnum; i++, md++)
+    {
+        if (i == (rxnum - 1))
+        {
+            md->snext = &ch->mdr[0];/* wrapness */
+        } else
+        {
+            md->snext = &ch->mdr[i + 1];
+        }
+        md->next = cpu_to_le32 (OS_vtophys (md->snext));
+
+        if (!(m = OS_mem_token_alloc (max_mru)))
+        {
+            if (log_level >= LOG_MONITOR)
+                printk ("%s: c4_chan_up[%d] - token alloc failure, size = %d.\n", ci->devname, channum, max_mru);
+            goto errfree;
+        }
+        md->mem_token = m;
+        md->data = cpu_to_le32 (OS_vtophys (OS_mem_token_data (m)));
+        md->status = tmp | MUSYCC_RX_OWNED;     /* MUSYCC owns RX descriptor **
+                                                 * CODING NOTE:
+                                                 * MUSYCC_RX_OWNED = 0 so no
+                                                 * need to byteSwap */
+    }
+
+    for (i = 0, md = ch->mdt; i < txnum; i++, md++)
+    {
+        md->status = HOST_TX_OWNED; /* Host owns TX descriptor ** CODING
+                                     * NOTE: HOST_TX_OWNED = 0 so no need to
+                                     * byteSwap */
+        md->mem_token = 0;
+        md->data = 0;
+        if (i == (txnum - 1))
+        {
+            md->snext = &ch->mdt[0];/* wrapness */
+        } else
+        {
+            md->snext = &ch->mdt[i + 1];
+        }
+        md->next = cpu_to_le32 (OS_vtophys (md->snext));
+    }
+    ch->txd_irq_srv = ch->txd_usr_add = &ch->mdt[0];
+    ch->txd_free = txnum;
+    ch->tx_full = 0;
+    ch->txd_required = 0;
+
+    /* Configure it into the chip */
+    tmp = cpu_to_le32 (OS_vtophys (&ch->mdt[0]));
+    pi->regram->thp[gchan] = tmp;
+    pi->regram->tmp[gchan] = tmp;
+
+    tmp = cpu_to_le32 (OS_vtophys (&ch->mdr[0]));
+    pi->regram->rhp[gchan] = tmp;
+    pi->regram->rmp[gchan] = tmp;
+
+    /* Activate the Channel */
+    FLUSH_MEM_WRITE ();
+    if (ch->p.status & RX_ENABLED)
+    {
+#ifdef RLD_TRANS_DEBUG
+        printk ("++ c4_chan_up() CHAN RX ACTIVATE: chan %d\n", ch->channum);
+#endif
+        ch->ch_start_rx = 0;        /* we are restarting RX... */
+        musycc_serv_req (pi, SR_CHANNEL_ACTIVATE | SR_RX_DIRECTION | gchan);
+    }
+    if (ch->p.status & TX_ENABLED)
+    {
+#ifdef RLD_TRANS_DEBUG
+        printk ("++ c4_chan_up() CHAN TX ACTIVATE: chan %d <delayed>\n", ch->channum);
+#endif
+        ch->ch_start_tx = CH_START_TX_1ST;      /* we are delaying start
+                                                 * until receipt from user of
+                                                 * first packet to transmit. */
+    }
+    ch->status = ch->p.status;
+    pi->openchans++;
+    return 0;
+
+errfree:
+    while (i > 0)
+    {
+        /* Don't leak all the previously allocated mbufs in this loop */
+        i--;
+        OS_mem_token_free (ch->mdr[i].mem_token);
+    }
+    OS_kfree (ch->mdt);
+    ch->mdt = 0;
+    ch->txd_num = 0;
+    OS_kfree (ch->mdr);
+    ch->mdr = 0;
+    ch->rxd_num = 0;
+    ch->state = DOWN;
+    return ENOBUFS;
+}
+
+/* stop the hardware from servicing & interrupting */
+
+void
+c4_stopwd (ci_t * ci)
+{
+    OS_stop_watchdog (&ci->wd);
+    SD_SEM_TAKE (&ci->sem_wdbusy, "_stop_");    /* ensure WD not running */
+    SD_SEM_GIVE (&ci->sem_wdbusy);
+}
+
+
+void
+sbecom_get_brdinfo (ci_t * ci, struct sbe_brd_info * bip, u_int8_t *bsn)
+{
+    char       *np;
+    u_int32_t   sn = 0;
+    int         i;
+
+    bip->brdno = ci->brdno;         /* our board number */
+    bip->brd_id = ci->brd_id;
+    bip->brd_hdw_id = ci->hdw_bid;
+    bip->brd_chan_cnt = MUSYCC_NCHANS * ci->max_port;   /* number of channels
+                                                         * being used */
+    bip->brd_port_cnt = ci->max_port;   /* number of ports being used */
+    bip->brd_pci_speed = BINFO_PCI_SPEED_unk;   /* PCI speed not yet
+                                                 * determinable */
+
+    if (ci->first_if)
+    {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+        np = (char *) hdlc_to_name (ci->first_if);
+#else
+        {
+            struct net_device *dev;
+
+            dev = (struct net_device *) ci->first_if;
+            np = (char *) dev->name;
+        }
+#endif
+        strncpy (bip->first_iname, np, CHNM_STRLEN - 1);
+    } else
+        strcpy (bip->first_iname, "<NULL>");
+    if (ci->last_if)
+    {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+        np = (char *) hdlc_to_name (ci->last_if);
+#else
+        {
+            struct net_device *dev;
+
+            dev = (struct net_device *) ci->last_if;
+            np = (char *) dev->name;
+        }
+#endif
+        strncpy (bip->last_iname, np, CHNM_STRLEN - 1);
+    } else
+        strcpy (bip->last_iname, "<NULL>");
+
+    if (bsn)
+    {
+        for (i = 0; i < 3; i++)
+        {
+            bip->brd_mac_addr[i] = *bsn++;
+        }
+        for (; i < 6; i++)
+        {
+            bip->brd_mac_addr[i] = *bsn;
+            sn = (sn << 8) | *bsn++;
+        }
+    } else
+    {
+        for (i = 0; i < 6; i++)
+            bip->brd_mac_addr[i] = 0;
+    }
+    bip->brd_sn = sn;
+}
+
+
+status_t
+c4_get_iidinfo (ci_t * ci, struct sbe_iid_info * iip)
+{
+    struct net_device *dev;
+    char       *np;
+
+    if (!(dev = getuserbychan (iip->channum)))
+        return ENOENT;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+    np = (char *) hdlc_to_name (dev_to_hdlc (dev));
+#else
+    np = dev->name;
+#endif
+    strncpy (iip->iname, np, CHNM_STRLEN - 1);
+    return 0;
+}
+
+
+#ifdef CONFIG_SBE_PMCC4_NCOMM
+void        (*nciInterrupt[MAX_BOARDS][4]) (void);
+extern void wanpmcC4T1E1_hookInterrupt (int cardID, int deviceID, void *handler);
+
+void
+wanpmcC4T1E1_hookInterrupt (int cardID, int deviceID, void *handler)
+{
+    if (cardID < MAX_BOARDS)    /* sanity check */
+        nciInterrupt[cardID][deviceID] = handler;
+}
+
+irqreturn_t
+c4_ebus_intr_th_handler (void *devp)
+{
+    ci_t       *ci = (ci_t *) devp;
+    volatile u_int32_t ists;
+    int         handled = 0;
+    int         brdno;
+
+    /* which COMET caused the interrupt */
+    brdno = ci->brdno;
+    ists = pci_read_32 ((u_int32_t *) &ci->cpldbase->intr);
+    if (ists & PMCC4_CPLD_INTR_CMT_1)
+    {
+        handled = 0x1;
+        if (nciInterrupt[brdno][0] != NULL)
+            (*nciInterrupt[brdno][0]) ();
+    }
+    if (ists & PMCC4_CPLD_INTR_CMT_2)
+    {
+        handled |= 0x2;
+        if (nciInterrupt[brdno][1] != NULL)
+            (*nciInterrupt[brdno][1]) ();
+    }
+    if (ists & PMCC4_CPLD_INTR_CMT_3)
+    {
+        handled |= 0x4;
+        if (nciInterrupt[brdno][2] != NULL)
+            (*nciInterrupt[brdno][2]) ();
+    }
+    if (ists & PMCC4_CPLD_INTR_CMT_4)
+    {
+        handled |= 0x8;
+        if (nciInterrupt[brdno][3] != NULL)
+            (*nciInterrupt[brdno][3]) ();
+    }
+#if 0
+    /*** Test code just de-implements the asserted interrupt.  Alternate
+    vendor will supply COMET interrupt handling code herein or such.
+    ***/
+    pci_write_32 ((u_int32_t *) &ci->reg->glcd, GCD_MAGIC | MUSYCC_GCD_INTB_DISABLE);
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,20)
+    return;
+#else
+    return IRQ_RETVAL (handled);
+#endif
+}
+
+
+unsigned long
+wanpmcC4T1E1_getBaseAddress (int cardID, int deviceID)
+{
+    ci_t       *ci;
+    unsigned long base = 0;
+
+    ci = c4_list;
+    while (ci)
+    {
+        if (ci->brdno == cardID)    /* found valid device */
+        {
+            if (deviceID < ci->max_port)        /* comet is supported */
+                base = ((unsigned long) ci->port[deviceID].cometbase);
+            break;
+        }
+        ci = ci->next;              /* next board, if any */
+    }
+    return (base);
+}
+
+#endif                          /*** CONFIG_SBE_PMCC4_NCOMM ***/
+
+
+/***  End-of-File  ***/
diff --git a/drivers/staging/cxt1e1/pmcc4_ioctls.h b/drivers/staging/cxt1e1/pmcc4_ioctls.h
new file mode 100644
index 00000000000..6b8d65673c7
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmcc4_ioctls.h
@@ -0,0 +1,81 @@
+/* RCSid: $Header: /home/rickd/projects/pmcc4/include/pmcc4_ioctls.h,v 2.0 2005/09/28 00:10:09 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_PMCC4_IOCTLS_H_
+#define _INC_PMCC4_IOCTLS_H_
+
+/*-----------------------------------------------------------------------------
+ * pmcc4_ioctls.h -
+ *
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 2.0 $
+ * Last changed on $Date: 2005/09/28 00:10:09 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: pmcc4_ioctls.h,v $
+ * Revision 2.0  2005/09/28 00:10:09  rickd
+ * Add GNU license info. Switch Ioctls to sbe_ioc.h usage.
+ *
+ * Revision 1.2  2005/04/28 23:43:03  rickd
+ * Add RCS tracking heading.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+#include "sbew_ioc.h"
+
+enum
+{
+    // C4_GET_PORT = 0,
+    // C4_SET_PORT,
+    // C4_GET_CHAN,
+    // C4_SET_CHAN,
+    C4_DEL_CHAN = 0,
+    // C4_CREATE_CHAN,
+    // C4_GET_CHAN_STATS,
+    // C4_RESET,
+    // C4_DEBUG,
+    C4_RESET_STATS,
+    C4_LOOP_PORT,
+    C4_RW_FRMR,
+    C4_RW_MSYC,
+    C4_RW_PLD
+};
+
+#define C4_GET_PORT          SBE_IOC_PORT_GET
+#define C4_SET_PORT          SBE_IOC_PORT_SET
+#define C4_GET_CHAN          SBE_IOC_CHAN_GET
+#define C4_SET_CHAN          SBE_IOC_CHAN_SET
+// #define C4_DEL_CHAN          XXX
+#define C4_CREATE_CHAN       SBE_IOC_CHAN_NEW
+#define C4_GET_CHAN_STATS    SBE_IOC_CHAN_GET_STAT
+#define C4_RESET             SBE_IOC_RESET_DEV
+#define C4_DEBUG             SBE_IOC_LOGLEVEL
+// #define C4_RESET_STATS       XXX
+// #define C4_LOOP_PORT         XXX
+// #define C4_RW_FRMR           XXX
+// #define C4_RW_MSYC           XXX
+// #define C4_RW_PLD            XXX
+
+struct c4_chan_stats_wrap
+{
+    int         channum;
+    struct sbecom_chan_stats stats;
+};
+
+#endif   /* _INC_PMCC4_IOCTLS_H_ */
diff --git a/drivers/staging/cxt1e1/pmcc4_private.h b/drivers/staging/cxt1e1/pmcc4_private.h
new file mode 100644
index 00000000000..0ae18c444a7
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmcc4_private.h
@@ -0,0 +1,295 @@
+#ifndef _INC_PMCC4_PRIVATE_H_
+#define _INC_PMCC4_PRIVATE_H_
+
+/*-----------------------------------------------------------------------------
+ * pmcc4_private.h -
+ *
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>    /* support for tasklets */
+#include <linux/timer.h>        /* support for timer */
+#include <linux/workqueue.h>
+#include <linux/hdlc.h>
+
+#include "libsbew.h"
+#include "pmcc4_defs.h"
+#include "pmcc4_cpld.h"
+#include "musycc.h"
+#include "sbe_promformat.h"
+#include "comet.h"
+
+
+/* driver state */
+#define SBE_DRVR_INIT        0x0
+#define SBE_DRVR_AVAILABLE   0x69734F4E
+#define SBE_DRVR_DOWN        0x1
+
+/******************************************************************************
+ * MUSYCC Message Descriptor - coupled to hardware implementation, the first
+ * three u_int32 must not be reordered.
+ */
+
+struct mdesc
+{
+    volatile u_int32_t status;  /* Buffer Descriptor */
+    u_int32_t   data;           /* Data Pointer */
+    u_int32_t   next;           /* MUSYCC view of Next Pointer */
+    void       *mem_token;      /* Data */
+    struct mdesc *snext;
+};
+
+
+/*************************************************************************
+ * Private driver data structures, internal use only.
+ */
+
+struct c4_chan_info
+{
+    int         gchan;          /* channel number within group/port 0-31 */
+    int         channum;        /* absolute channel number 0-128 */
+    u_int8_t    status;
+#define TX_RECOVERY_MASK   0x0f
+#define TX_ONR_RECOVERY    0x01
+#define TX_BUFF_RECOVERY   0x02
+#define RX_RECOVERY_MASK   0xf0
+#define RX_ONR_RECOVERY    0x10
+
+    unsigned char ch_start_rx;
+#define CH_START_RX_NOW    1
+#define CH_START_RX_ONR    2
+#define CH_START_RX_BUF    3
+
+    unsigned char ch_start_tx;
+#define CH_START_TX_1ST    1
+#define CH_START_TX_ONR    2
+#define CH_START_TX_BUF    3
+
+    char        tx_full;        /* boolean */
+    short       txd_free;       /* count of TX Desc available */
+    short       txd_required;   /* count of TX Desc needed by mesg */
+    unsigned short rxd_num;     /* must support range up to 2000 */
+    unsigned short txd_num;     /* must support range up to 1000 */
+    int         rxix_irq_srv;
+
+    enum
+    {
+        UNASSIGNED,             /* AVAILABLE, NOTINUSE */
+        DOWN,                   /* ASSIGNED, NOTINUSE */
+        UP                      /* ASSIGNED and INUSE */
+    }           state;
+
+    struct c4_port_info *up;
+    void       *user;
+
+    struct work_struct ch_work;
+    struct mdesc *mdt;
+    struct mdesc *mdr;
+    struct mdesc *txd_irq_srv;
+    struct mdesc *txd_usr_add;
+
+#if 0
+    /*
+     * FUTURE CODE MIGHT SEPARATE TIMESLOT MAP SETUPS INTO SINGLE IOCTL and
+     * REMOVE MAPS FROM CHANNEL PARAMETER STRUCTURE
+     */
+    /*
+     * each byte in bitmask below represents one timeslot (bitmask[0] is for
+     * timeslot 0 and so on), each bit in the byte selects timeslot bits for
+     * this channel (0xff - whole timeslot, 0x7f - 56kbps mode)
+     */
+
+    u_int8_t    ts_bitmask[32];
+#endif
+    spinlock_t  ch_rxlock;
+    spinlock_t  ch_txlock;
+    atomic_t    tx_pending;
+
+    struct sbecom_chan_stats s;
+    struct sbecom_chan_param p;
+};
+typedef struct c4_chan_info mch_t;
+
+struct c4_port_info
+{
+
+    struct musycc_globalr *reg;
+    struct musycc_groupr *regram;
+    void       *regram_saved;   /* Original malloc value may have non-2KB
+                                 * boundary.  Need to save for use when
+                                 * freeing. */
+    comet_t    *cometbase;
+    struct sbe_card_info *up;
+
+    /*
+     * The workqueue is used for TX restart of ONR'd channels when in
+     * Transparent mode.
+     */
+
+    struct workqueue_struct *wq_port;   /* chan restart work queue */
+    struct semaphore sr_sem_busy;       /* service request exclusion
+                                         * semaphore */
+    struct semaphore sr_sem_wait;       /* service request handshake
+                                         * semaphore */
+    u_int32_t   sr_last;
+    short       openchans;
+    char        portnum;
+    char        group_is_set;   /* GROUP_INIT command issued to MUSYCC,
+                                 * otherwise SET_CHAN Ioctl fails */
+
+    mch_t      *chan[MUSYCC_NCHANS];
+    struct sbecom_port_param p;
+
+    /*
+     * The MUSYCC timeslot mappings are maintained within the driver and are
+     * modified and reloaded as each of a group's channels are configured.
+     */
+    u_int8_t    tsm[32];        /* tsm (time slot map) */
+    int         fifomap[32];
+};
+typedef struct c4_port_info mpi_t;
+
+
+#define COMET_OFFSET(x) (0x80000+(x)*0x10000)
+#define EEPROM_OFFSET   0xC0000
+#define ISPLD_OFFSET    0xD0000
+
+/* iSPLD control chip registers */
+#define ISPLD_MCSR  0x0
+#define ISPLD_MCLK  0x1
+#define ISPLD_LEDS  0x2
+#define ISPLD_INTR  0x3
+#define ISPLD_MAX   0x3
+
+struct sbe_card_info
+{
+    struct musycc_globalr *reg;
+    struct musycc_groupr *regram;
+    u_int32_t  *iqd_p;          /* pointer to dword aligned interrupt queue
+                                 * descriptors */
+    void       *iqd_p_saved;    /* Original malloc value may have non-dword
+                                 * aligned boundary.  Need to save for use
+                                 * when freeing. */
+    unsigned int iqp_headx, iqp_tailx;
+
+    struct semaphore sem_wdbusy;/* watchdog exclusion semaphore */
+    struct watchdog wd;         /* statically allocated watchdog structure */
+    atomic_t    bh_pending;     /* bh queued, but not yet running */
+    u_int32_t   brd_id;         /* unique PCI ID */
+    u_int16_t   hdw_bid;      /* on/board hardware ID */
+    unsigned short wdcount;
+    unsigned char max_port;
+    unsigned char brdno;        /* our board number */
+    unsigned char wd_notify;
+#define WD_NOTIFY_1TX       1
+#define WD_NOTIFY_BUF       2
+#define WD_NOTIFY_ONR       4
+    enum                        /* state as regards interrupt processing */
+    {
+        C_INIT,                 /* of-board-address not configured or are in
+                                 * process of being removed, don't access
+                                 * hardware */
+        C_IDLE,                 /* off-board-addresses are configured, but
+                                 * don't service interrupts, just clear them
+                                 * from hardware */
+        C_RUNNING               /* life is good, service away */
+    }           state;
+
+    struct sbe_card_info *next;
+    u_int32_t  *eeprombase;     /* mapped address of board's EEPROM */
+    c4cpld_t   *cpldbase;       /* mapped address of board's CPLD hardware */
+    char       *release;        /* SBE ID string w/in sbeRelease.c */
+    void       *hdw_info;
+#ifdef CONFIG_PROC_FS
+    struct proc_dir_entry *dir_dev;
+#endif
+
+    /* saved off interface assignments which bound a board */
+    hdlc_device *first_if;
+    hdlc_device *last_if;
+    short       first_channum, last_channum;
+
+    struct intlog
+    {
+        u_int32_t   this_status_new;
+        u_int32_t   last_status_new;
+        u_int32_t   drvr_intr_thcount;
+        u_int32_t   drvr_intr_bhcount;
+        u_int32_t   drvr_int_failure;
+    }           intlog;
+
+    mpi_t       port[MUSYCC_NPORTS];
+    char        devname[SBE_IFACETMPL_SIZE + 1];
+    atomic_t    tx_pending;
+    u_int32_t   alarmed[4];     /* dpm211 */
+
+#if defined(SBE_ISR_TASKLET)
+    struct tasklet_struct ci_musycc_isr_tasklet;
+#elif defined(SBE_ISR_IMMEDIATE)
+    struct tq_struct ci_musycc_isr_tq;
+#endif
+};
+typedef struct sbe_card_info ci_t;
+
+struct s_hdw_info
+{
+    u_int8_t    pci_busno;
+    u_int8_t    pci_slot;
+    u_int8_t    pci_pin[2];
+    u_int8_t    revid[2];
+    u_int8_t    mfg_info_sts;
+#define EEPROM_OK          0x00
+#define EEPROM_CRCERR      0x01
+    char        promfmt;        /* prom type, from sbe_promformat.h */
+
+    char        devname[SBE_IFACETMPL_SIZE];
+    struct pci_bus *bus;
+    struct net_device *ndev;
+    struct pci_dev *pdev[2];
+
+    unsigned long addr[2];
+    unsigned long addr_mapped[2];
+    unsigned long len[2];
+
+    union
+    {
+        char        data[128];
+        FLD_TYPE1   pft1;       /* prom field, type #1 */
+        FLD_TYPE2   pft2;       /* prom field, type #2 */
+    }           mfg_info;
+};
+typedef struct s_hdw_info hdw_info_t;
+
+/*****************************************************************/
+
+struct c4_priv
+{
+    int         channum;
+    struct sbe_card_info *ci;
+};
+
+
+/*****************************************************************/
+
+extern ci_t *c4_list;
+
+mch_t      *c4_find_chan (int);
+int         c4_set_chan (int channum, struct sbecom_chan_param *);
+int         c4_get_chan (int channum, struct sbecom_chan_param *);
+int         c4_get_chan_stats (int channum, struct sbecom_chan_stats *);
+
+#endif                          /* _INC_PMCC4_PRIVATE_H_ */
diff --git a/drivers/staging/cxt1e1/pmcc4_sysdep.h b/drivers/staging/cxt1e1/pmcc4_sysdep.h
new file mode 100644
index 00000000000..697f1943670
--- /dev/null
+++ b/drivers/staging/cxt1e1/pmcc4_sysdep.h
@@ -0,0 +1,62 @@
+#ifndef _INC_PMCC4_SYSDEP_H_
+#define _INC_PMCC4_SYSDEP_H_
+
+/*-----------------------------------------------------------------------------
+ * pmcc4_sysdep.h -
+ *
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+/* reduce multiple autoconf entries to a single definition */
+
+#ifdef CONFIG_SBE_PMCC4_HDLC_V7_MODULE
+#undef CONFIG_SBE_PMCC4_HDLC_V7
+#define CONFIG_SBE_PMCC4_HDLC_V7  1
+#endif
+
+#ifdef CONFIG_SBE_PMCC4_NCOMM_MODULE
+#undef CONFIG_SBE_PMCC4_NCOMM
+#define CONFIG_SBE_PMCC4_NCOMM  1
+#endif
+
+
+/* FLUSH MACROS - if using ioremap_nocache(), then these can be NOOPS,
+ * otherwise a memory barrier needs to be inserted.
+ */
+
+#define FLUSH_PCI_READ()     rmb()
+#define FLUSH_PCI_WRITE()    wmb()
+#define FLUSH_MEM_READ()     rmb()
+#define FLUSH_MEM_WRITE()    wmb()
+
+
+/*
+ * System dependent callbacks routines, not inlined...
+ * For inlined system dependent routines, see include/sbecom_inlinux_linux.h
+ */
+
+/*
+ * passes received memory token back to the system, <user> is parameter from
+ * sd_new_chan() used to create the channel which the data arrived on
+ */
+
+void sd_recv_consume(void *token, size_t len, void *user);
+
+void        sd_disable_xmit (void *user);
+void        sd_enable_xmit (void *user);
+int         sd_line_is_ok (void *user);
+void        sd_line_is_up (void *user);
+void        sd_line_is_down (void *user);
+int         sd_queue_stopped (void *user);
+
+#endif                          /*** _INC_PMCC4_SYSDEP_H_ ***/
diff --git a/drivers/staging/cxt1e1/sbe_bid.h b/drivers/staging/cxt1e1/sbe_bid.h
new file mode 100644
index 00000000000..1f49b4061fb
--- /dev/null
+++ b/drivers/staging/cxt1e1/sbe_bid.h
@@ -0,0 +1,61 @@
+/*
+ * $Id: sbe_bid.h,v 1.0 2005/09/28 00:10:09 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_SBEBID_H_
+#define _INC_SBEBID_H_
+
+/*-----------------------------------------------------------------------------
+ * sbe_bid.h -
+ *
+ * Copyright (C) 2004-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.0 $
+ * Last changed on $Date: 2005/09/28 00:10:09 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: sbe_bid.h,v $
+ * Revision 1.0  2005/09/28 00:10:09  rickd
+ * Initial revision
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+#define SBE_BID_REG        0x00000000   /* Board ID Register */
+
+#define SBE_BID_256T3_E1         0x46   /* SBE wanPTMC-256T3 (E1 Version) */
+#define SBE_BID_256T3_T1         0x42   /* SBE wanPTMC-256T3 (T1 Version) */
+#define SBE_BID_2T3E3            0x43   /* SBE wanPMC-2T3E3 */
+#define SBE_BID_C1T3             0x45   /* SBE wanPMC-C1T3 */
+#define SBE_BID_C24TE1           0x47   /* SBE wanPTMC-C24TE1  */
+#define SBE_BID_C24TE1_RTM_24    0x48   /* C24TE1 RTM (24 Port) */
+#define SBE_BID_C24TE1_RTM_12    0x49   /* C24TE1 RTM (12 Port) */
+#define SBE_BID_C24TE1_RTM_12DSU 0x4A   /* C24TE1 RTM (12 Port/DSU) */
+#define SBE_BID_C24TE1_RTM_T3    0x4B   /* C24TE1 RTM (T3) */
+#define SBE_BID_C4T1E1           0x41   /* SBE wanPTMC-C4T1E1 */
+#define SBE_BID_HC4T1E1          0x44   /* SBE wanADAPT-HC4T1E1 */
+
+/* bogus temporary usage values */
+#define SBE_BID_PMC_C4T1E1       0xC4   /* SBE wanPMC-C4T1E1 (4 Port) */
+#define SBE_BID_PMC_C2T1E1       0xC2   /* SBE wanPMC-C2T1E1 (2 Port) */
+#define SBE_BID_PMC_C1T1E1       0xC1   /* SBE wanPMC-C1T1E1 (1 Port) */
+#define SBE_BID_PCI_C4T1E1       0x04   /* SBE wanPCI-C4T1E1 (4 Port) */
+#define SBE_BID_PCI_C2T1E1       0x02   /* SBE wanPCI-C2T1E1 (2 Port) */
+#define SBE_BID_PCI_C1T1E1       0x01   /* SBE wanPCI-C1T1E1 (1 Port) */
+
+#endif                          /*** _INC_SBEBID_H_ ***/
diff --git a/drivers/staging/cxt1e1/sbe_promformat.h b/drivers/staging/cxt1e1/sbe_promformat.h
new file mode 100644
index 00000000000..746f81b15c7
--- /dev/null
+++ b/drivers/staging/cxt1e1/sbe_promformat.h
@@ -0,0 +1,157 @@
+/*
+ * $Id: sbe_promformat.h,v 2.2 2005/09/28 00:10:09 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_SBE_PROMFORMAT_H_
+#define _INC_SBE_PROMFORMAT_H_
+
+/*-----------------------------------------------------------------------------
+ * sbe_promformat.h - Contents of seeprom used by dvt and manufacturing tests
+ *
+ * Copyright (C) 2002-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 2.2 $
+ * Last changed on $Date: 2005/09/28 00:10:09 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: sbe_promformat.h,v $
+ * Revision 2.2  2005/09/28 00:10:09  rickd
+ * Add EEPROM sample from C4T1E1 board.
+ *
+ * Revision 2.1  2005/05/04 17:18:24  rickd
+ * Initial CI.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+
+/***
+ *  PMCC4 SAMPLE EEPROM IMAGE
+ *
+ *  eeprom[00]:  01 11 76 07  01 00 a0 d6
+ *  eeprom[08]:  22 34 56 3e  5b c1 1c 3e
+ *  eeprom[16]:  5b e1 b6 00  00 00 01 00
+ *  eeprom[24]:  00 08 46 d3  7b 5e a8 fb
+ *  eeprom[32]:  f7 ef df bf  7f 55 00 01
+ *  eeprom[40]:  02 04 08 10  20 40 80 ff
+ *  eeprom[48]:  fe fd fb f7  ef df bf 7f
+ *
+ ***/
+
+
+/*------------------------------------------------------------------------
+ *          Type 1 Format
+ * byte:
+ * 0    1  2    3  4      5   6   7    8  9  10    11 12 13 14    15 16 17 18
+ * -------------------------------------------------------------------------
+ * 01   11 76   SS SS     00 0A D6 <SERIAL NUM>    <Create TIME>  <Heatrun TIME>
+ *       SBE    SUB       SERIAL #    (BCD)         (time_t)       (time_t)
+ *       ID     VENDOR                              (format)       (format)
+ *
+ *  19 20 21 22    23 24 25 26
+ *  Heat Run        Heat Run
+ *  Iterations      Errors
+ *------------------------------------------------------------------------
+ *
+ *
+ *
+ *           Type 2 Format  - Added length, CRC in fixed position
+ * byte:
+ * 0    1  2       3  4  5  6      7  8        9  10     11 12 13 14 15 16
+ * -------------------------------------------------------------------------
+ * 02   00 1A      CC CC CC CC    11  76       07 03    00 0A D6 <SERIAL NUM>
+ *      Payload    SBE Crc32      SUB System   System    SERIAL/MAC
+ *      Length                    VENDOR ID    ID
+ *
+ *  17 18 19 20     21 22 23 24     25 26 27 28    29 39 31 32
+ * --------------------------------------------------------------------------
+ *  <Create TIME>   <Heatrun TIME>   Heat Run      Heat Run
+ *  (time_t)         (time_t)        Iterations    Errors
+ *
+ */
+
+#ifdef __cplusplus
+extern      "C"
+{
+#endif
+
+
+#define STRUCT_OFFSET(type, symbol)  ((long)&(((type *)0)->symbol))
+
+/*------------------------------------------------------------------------
+ *  Historically different Prom format types.
+ *
+ *  For diagnostic and failure purposes, do not create a type 0x00 or a
+ *  type 0xff
+ *------------------------------------------------------------------------
+ */
+#define PROM_FORMAT_Unk   (-1)
+#define PROM_FORMAT_TYPE1   1
+#define PROM_FORMAT_TYPE2   2
+
+
+/****** bit fields  for a type 1 formatted seeprom **************************/
+    typedef struct
+    {
+        char        type;       /* 0x00 */
+        char        Id[2];      /* 0x01-0x02 */
+        char        SubId[2];   /* 0x03-0x04 */
+        char        Serial[6];  /* 0x05-0x0a */
+        char        CreateTime[4];      /* 0x0b-0x0e */
+        char        HeatRunTime[4];     /* 0x0f-0x12 */
+        char        HeatRunIterations[4];       /* 0x13-0x16 */
+        char        HeatRunErrors[4];   /* 0x17-0x1a */
+        char        Crc32[4];   /* 0x1b-0x1e */
+    }           FLD_TYPE1;
+
+
+/****** bit fields  for a type 2 formatted seeprom **************************/
+    typedef struct
+    {
+        char        type;       /* 0x00 */
+        char        length[2];  /* 0x01-0x02 */
+        char        Crc32[4];   /* 0x03-0x06 */
+        char        Id[2];      /* 0x07-0x08 */
+        char        SubId[2];   /* 0x09-0x0a */
+        char        Serial[6];  /* 0x0b-0x10 */
+        char        CreateTime[4];      /* 0x11-0x14 */
+        char        HeatRunTime[4];     /* 0x15-0x18 */
+        char        HeatRunIterations[4];       /* 0x19-0x1c */
+        char        HeatRunErrors[4];   /* 0x1d-0x20 */
+    }           FLD_TYPE2;
+
+
+
+/***** this union allows us to access the seeprom as an array of bytes ***/
+/***** or as individual fields                                         ***/
+
+#define SBE_EEPROM_SIZE    128
+#define SBE_MFG_INFO_SIZE  sizeof(FLD_TYPE2)
+
+    typedef union
+    {
+        char        bytes[128];
+        FLD_TYPE1   fldType1;
+        FLD_TYPE2   fldType2;
+    }           PROMFORMAT;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif                          /*** _INC_SBE_PROMFORMAT_H_ ***/
diff --git a/drivers/staging/cxt1e1/sbecom_inline_linux.h b/drivers/staging/cxt1e1/sbecom_inline_linux.h
new file mode 100644
index 00000000000..2ab1eb12ed3
--- /dev/null
+++ b/drivers/staging/cxt1e1/sbecom_inline_linux.h
@@ -0,0 +1,310 @@
+/*
+ * $Id: sbecom_inline_linux.h,v 1.2 2007/08/15 22:51:35 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_SBECOM_INLNX_H_
+#define _INC_SBECOM_INLNX_H_
+
+/*-----------------------------------------------------------------------------
+ * sbecom_inline_linux.h - SBE common Linux inlined routines
+ *
+ * Copyright (C) 2007  One Stop Systems, Inc.
+ * Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@onestopsystems.com
+ * One Stop Systems, Inc.  Escondido, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.2 $
+ * Last changed on $Date: 2007/08/15 22:51:35 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: sbecom_inline_linux.h,v $
+ * Revision 1.2  2007/08/15 22:51:35  rickd
+ * Remove duplicate version.h entry.
+ *
+ * Revision 1.1  2007/08/15 22:50:29  rickd
+ * Update linux/config for 2.6.18 and later.
+ *
+ * Revision 1.0  2005/09/28 00:10:09  rickd
+ * Initial revision
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+
+#if defined (__FreeBSD__) || defined (__NetBSD__)
+#include <sys/types.h>
+#else
+#include <linux/types.h>
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
+#include <linux/config.h>
+#endif
+#if defined(CONFIG_SMP) && ! defined(__SMP__)
+#define __SMP__
+#endif
+#if defined(CONFIG_MODVERSIONS) && defined(MODULE) && ! defined(MODVERSIONS)
+#define MODVERSIONS
+#endif
+
+#ifdef MODULE
+#ifdef MODVERSIONS
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#include <linux/modversions.h>
+#else
+#include <config/modversions.h>
+#endif
+#endif
+#include <linux/module.h>
+#endif
+#endif
+
+#include <linux/kernel.h>       /* resolves kmalloc references */
+#include <linux/skbuff.h>       /* resolves skb references */
+#include <linux/netdevice.h>    /* resolves dev_kree_skb_any */
+#include <asm/byteorder.h>      /* resolves cpu_to_le32 */
+
+#if 0
+
+/*** PORT POINT WARNING
+ ***
+ *** Under Linux 2.6 it has been found that compiler is re-ordering
+ *** in-lined pci_write_32() functions to the detrement of correct
+ *** hardware setup.  Therefore, inlining of PCI accesses has been
+ *** de-implemented, and subroutine calls have been implemented.
+ ***/
+
+static inline u_int32_t
+pci_read_32 (u_int32_t *p)
+{
+#ifdef FLOW_DEBUG
+    u_int32_t   v;
+
+    FLUSH_PCI_READ ();
+    v = le32_to_cpu (*p);
+    if (log_level >= LOG_DEBUG)
+        printk ("pci_read : %x = %x\n", (u_int32_t) p, v);
+    return v;
+#else
+                FLUSH_PCI_READ ();      /* */
+    return le32_to_cpu (*p);
+#endif
+}
+
+static inline void
+pci_write_32 (u_int32_t *p, u_int32_t v)
+{
+#ifdef FLOW_DEBUG
+    if (log_level >= LOG_DEBUG)
+        printk ("pci_write: %x = %x\n", (u_int32_t) p, v);
+#endif
+    *p = cpu_to_le32 (v);
+    FLUSH_PCI_WRITE ();             /* This routine is called from routines
+                                     * which do multiple register writes
+                                     * which themselves need flushing between
+                                     * writes in order to guarantee write
+                                     * ordering.  It is less code-cumbersome
+                                     * to flush here-in then to investigate
+                                     * and code the many other register
+                                     * writing routines. */
+}
+#else
+/* forward reference */
+u_int32_t   pci_read_32 (u_int32_t *p);
+void        pci_write_32 (u_int32_t *p, u_int32_t v);
+
+#endif
+
+
+/*
+ * system dependent callbacks
+ */
+
+/**********/
+/* malloc */
+/**********/
+
+static inline void *
+OS_kmalloc (size_t size)
+{
+    char       *ptr = kmalloc (size, GFP_KERNEL | GFP_DMA);
+
+    if (ptr)
+        memset (ptr, 0, size);
+    return ptr;
+}
+
+static inline void
+OS_kfree (void *x)
+{
+    kfree (x);
+}
+
+
+/****************/
+/* memory token */
+/****************/
+
+static inline void *
+OS_mem_token_alloc (size_t size)
+{
+    struct sk_buff *skb;
+
+    skb = dev_alloc_skb (size);
+    if (!skb)
+    {
+        //printk (KERN_WARNING "no mem in OS_mem_token_alloc !");
+        return 0;
+    }
+    return skb;
+}
+
+
+static inline void
+OS_mem_token_free (void *token)
+{
+    dev_kfree_skb_any (token);
+}
+
+
+static inline void
+OS_mem_token_free_irq (void *token)
+{
+    dev_kfree_skb_irq (token);
+}
+
+
+static inline void *
+OS_mem_token_data (void *token)
+{
+    return ((struct sk_buff *) token)->data;
+}
+
+
+static inline void *
+OS_mem_token_next (void *token)
+{
+    return 0;
+}
+
+
+static inline int
+OS_mem_token_len (void *token)
+{
+    return ((struct sk_buff *) token)->len;
+}
+
+
+static inline int
+OS_mem_token_tlen (void *token)
+{
+    return ((struct sk_buff *) token)->len;
+}
+
+
+/***************************************/
+/* virtual to physical addr conversion */
+/***************************************/
+
+static inline u_long
+OS_phystov (void *addr)
+{
+    return (u_long) __va (addr);
+}
+
+
+static inline u_long
+OS_vtophys (void *addr)
+{
+    return __pa (addr);
+}
+
+
+/**********/
+/* semops */
+/**********/
+
+void        OS_sem_init (void *, int);
+
+
+static inline void
+OS_sem_free (void *sem)
+{
+    /*
+     * NOOP - since semaphores structures predeclared w/in structures, no
+     * longer malloc'd
+     */
+}
+
+#define SD_SEM_TAKE(sem,desc)  down(sem)
+#define SD_SEM_GIVE(sem)       up(sem)
+#define SEM_AVAILABLE     1
+#define SEM_TAKEN         0
+
+
+/**********************/
+/* watchdog functions */
+/**********************/
+
+struct watchdog
+{
+    struct timer_list h;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+    struct tq_struct tq;
+#else
+    struct work_struct work;
+#endif
+    void       *softc;
+    void        (*func) (void *softc);
+    int         ticks;
+    int         init_tq;
+};
+
+
+static inline int
+OS_start_watchdog (struct watchdog * wd)
+{
+    wd->h.expires = jiffies + wd->ticks;
+    add_timer (&wd->h);
+    return 0;
+}
+
+
+static inline int
+OS_stop_watchdog (struct watchdog * wd)
+{
+    del_timer_sync (&wd->h);
+    return 0;
+}
+
+
+static inline int
+OS_free_watchdog (struct watchdog * wd)
+{
+    OS_stop_watchdog (wd);
+    OS_kfree (wd);
+    return 0;
+}
+
+
+/* sleep in microseconds */
+void        OS_uwait (int usec, char *description);
+void        OS_uwait_dummy (void);
+
+
+/* watchdog functions */
+int OS_init_watchdog(struct watchdog *wdp, void (*f) (void *), void *ci, int usec);
+
+
+#endif                          /*** _INC_SBECOM_INLNX_H_ ***/
diff --git a/drivers/staging/cxt1e1/sbecrc.c b/drivers/staging/cxt1e1/sbecrc.c
new file mode 100644
index 00000000000..51232948091
--- /dev/null
+++ b/drivers/staging/cxt1e1/sbecrc.c
@@ -0,0 +1,137 @@
+/*   Based on "File Verification Using CRC" by Mark R. Nelson in Dr. Dobbs'
+ *   Journal, May 1992, pp. 64-67.  This algorithm generates the same CRC
+ *   values as ZMODEM and PKZIP
+ *
+ * Copyright (C) 2002-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include <linux/types.h>
+#include "pmcc4_sysdep.h"
+#include "sbecom_inline_linux.h"
+#include "sbe_promformat.h"
+
+/* defines */
+#define CRC32_POLYNOMIAL                0xEDB88320L
+#define CRC_TABLE_ENTRIES                       256
+
+
+
+static      u_int32_t crcTableInit;
+
+#ifdef STATIC_CRC_TABLE
+static u_int32_t CRCTable[CRC_TABLE_ENTRIES];
+
+#endif
+
+
+/***************************************************************************
+*
+* genCrcTable - fills in CRCTable, as used by sbeCrc()
+*
+* RETURNS: N/A
+*
+* ERRNO: N/A
+***************************************************************************/
+
+static void
+genCrcTable (u_int32_t *CRCTable)
+{
+    int         ii, jj;
+    u_int32_t      crc;
+
+    for (ii = 0; ii < CRC_TABLE_ENTRIES; ii++)
+    {
+        crc = ii;
+        for (jj = 8; jj > 0; jj--)
+        {
+            if (crc & 1)
+                crc = (crc >> 1) ^ CRC32_POLYNOMIAL;
+            else
+                crc >>= 1;
+        }
+        CRCTable[ii] = crc;
+    }
+
+    crcTableInit++;
+}
+
+
+/***************************************************************************
+*
+* sbeCrc - generates a CRC on a given buffer, and initial CRC
+*
+* This routine calculates the CRC for a buffer of data using the
+* table lookup method. It accepts an original value for the crc,
+* and returns the updated value. This permits "catenation" of
+* discontiguous buffers. An original value of 0 for the "first"
+* buffer is the norm.
+*
+* Based on "File Verification Using CRC" by Mark R. Nelson in Dr. Dobb's
+* Journal, May 1992, pp. 64-67.  This algorithm generates the same CRC
+* values as ZMODEM and PKZIP.
+*
+* RETURNS: calculated crc of block
+*
+*/
+
+void
+sbeCrc (u_int8_t *buffer,          /* data buffer to crc */
+        u_int32_t count,           /* length of block in bytes */
+        u_int32_t initialCrc,      /* starting CRC */
+        u_int32_t *result)
+{
+    u_int32_t     *tbl = 0;
+    u_int32_t      temp1, temp2, crc;
+
+    /*
+     * if table not yet created, do so. Don't care about "extra" time
+     * checking this everytime sbeCrc() is called, since CRC calculations are
+     * already time consuming
+     */
+    if (!crcTableInit)
+    {
+#ifdef STATIC_CRC_TABLE
+        tbl = &CRCTable;
+        genCrcTable (tbl);
+#else
+        tbl = (u_int32_t *) OS_kmalloc (CRC_TABLE_ENTRIES * sizeof (u_int32_t));
+        if (tbl == 0)
+        {
+            *result = 0;            /* dummy up return value due to malloc
+                                     * failure */
+            return;
+        }
+        genCrcTable (tbl);
+#endif
+    }
+    /* inverting bits makes ZMODEM & PKZIP compatible */
+    crc = initialCrc ^ 0xFFFFFFFFL;
+
+    while (count-- != 0)
+    {
+        temp1 = (crc >> 8) & 0x00FFFFFFL;
+        temp2 = tbl[((int) crc ^ *buffer++) & 0xff];
+        crc = temp1 ^ temp2;
+    }
+
+    crc ^= 0xFFFFFFFFL;
+
+    *result = crc;
+
+#ifndef STATIC_CRC_TABLE
+    crcTableInit = 0;
+    OS_kfree (tbl);
+#endif
+}
+
+/*** End-of-File ***/
diff --git a/drivers/staging/cxt1e1/sbeid.c b/drivers/staging/cxt1e1/sbeid.c
new file mode 100644
index 00000000000..a2243b10ef0
--- /dev/null
+++ b/drivers/staging/cxt1e1/sbeid.c
@@ -0,0 +1,217 @@
+/* Copyright (C) 2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include <linux/types.h>
+#include "pmcc4_sysdep.h"
+#include "sbecom_inline_linux.h"
+#include "libsbew.h"
+#include "pmcc4_private.h"
+#include "pmcc4.h"
+#include "sbe_bid.h"
+
+#ifdef SBE_INCLUDE_SYMBOLS
+#define STATIC
+#else
+#define STATIC  static
+#endif
+
+
+char       *
+sbeid_get_bdname (ci_t * ci)
+{
+    char       *np = 0;
+
+    switch (ci->brd_id)
+    {
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_E1):
+        np = "wanPTMC-256T3 <E1>";
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_T1):
+        np = "wanPTMC-256T3 <T1>";
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1_L):
+        np = "wanPMC-C4T1E1";
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1_L):
+        np = "wanPMC-C2T1E1";
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1_L):
+        np = "wanPMC-C1T1E1";
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1):
+        np = "wanPCI-C4T1E1";
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C2T1E1):
+        np = "wanPCI-C2T1E1";
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C1T1E1):
+        np = "wanPCI-C1T1E1";
+        break;
+    default:
+        /*** np = "<unknown>";  ***/
+        np = "wanPCI-CxT1E1";
+        break;
+    }
+
+    return np;
+}
+
+
+/* given the presetting of brd_id, set the corresponding hdw_id */
+
+void
+sbeid_set_hdwbid (ci_t * ci)
+{
+    /*
+     * set SBE's unique hardware identification (for legacy boards might not
+     * have this register implemented)
+     */
+
+    switch (ci->brd_id)
+    {
+        case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_E1):
+        ci->hdw_bid = SBE_BID_256T3_E1; /* 0x46 - SBE wanPTMC-256T3 (E1
+                                         * Version) */
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_T1):
+        ci->hdw_bid = SBE_BID_256T3_T1; /* 0x42 - SBE wanPTMC-256T3 (T1
+                                         * Version) */
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1_L):
+        /*
+         * This Board ID is a generic identification.  Use the found number
+         * of ports to further define this hardware.
+         */
+        switch (ci->max_port)
+        {
+        default:                    /* shouldn't need a default, but have one
+                                     * anyway */
+        case 4:
+            ci->hdw_bid = SBE_BID_PMC_C4T1E1;   /* 0xC4 - SBE wanPMC-C4T1E1 */
+            break;
+        case 2:
+            ci->hdw_bid = SBE_BID_PMC_C2T1E1;   /* 0xC2 - SBE wanPMC-C2T1E1 */
+            ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1);
+            break;
+        case 1:
+            ci->hdw_bid = SBE_BID_PMC_C1T1E1;   /* 0xC1 - SBE wanPMC-C1T1E1 */
+            ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1);
+            break;
+        }
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1_L):
+        ci->hdw_bid = SBE_BID_PMC_C2T1E1;       /* 0xC2 - SBE wanPMC-C2T1E1 */
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1_L):
+        ci->hdw_bid = SBE_BID_PMC_C1T1E1;       /* 0xC1 - SBE wanPMC-C1T1E1 */
+        break;
+#ifdef SBE_PMCC4_ENABLE
+        /*
+         * This case is entered as a result of the inability to obtain the
+         * <bid> from the board's EEPROM.  Assume a PCI board and set
+         * <hdsbid> according to the number ofr found ports.
+         */
+    case 0:
+        /* start by assuming 4-port for ZERO casing */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1);
+        /* drop thru to set hdw_bid and alternate PCI CxT1E1 settings */
+#endif
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1):
+        /*
+         * This Board ID is a generic identification.  Use the number of
+         * found ports to further define this hardware.
+         */
+        switch (ci->max_port)
+        {
+        default:                    /* shouldn't need a default, but have one
+                                     * anyway */
+        case 4:
+            ci->hdw_bid = SBE_BID_PCI_C4T1E1;   /* 0x04 - SBE wanPCI-C4T1E1 */
+            break;
+        case 2:
+            ci->hdw_bid = SBE_BID_PCI_C2T1E1;   /* 0x02 - SBE wanPCI-C2T1E1 */
+            ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C2T1E1);
+            break;
+        case 1:
+            ci->hdw_bid = SBE_BID_PCI_C1T1E1;   /* 0x01 - SBE wanPCI-C1T1E1 */
+            ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C1T1E1);
+            break;
+        }
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C2T1E1):
+        ci->hdw_bid = SBE_BID_PCI_C2T1E1;       /* 0x02 - SBE wanPCI-C2T1E1 */
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C1T1E1):
+        ci->hdw_bid = SBE_BID_PCI_C1T1E1;       /* 0x01 - SBE wanPCI-C1T1E1 */
+        break;
+    default:
+        /*** bid = "<unknown>";  ***/
+        ci->hdw_bid = SBE_BID_PMC_C4T1E1;       /* 0x41 - SBE wanPTMC-C4T1E1 */
+        break;
+    }
+}
+
+/* given the presetting of hdw_bid, set the corresponding brd_id */
+
+void
+sbeid_set_bdtype (ci_t * ci)
+{
+    /* set SBE's unique PCI VENDOR/DEVID */
+    switch (ci->hdw_bid)
+    {
+        case SBE_BID_C1T3:      /* SBE wanPMC-C1T3 */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T3);
+        break;
+    case SBE_BID_C24TE1:            /* SBE wanPTMC-C24TE1 */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_C24TE1);
+        break;
+    case SBE_BID_256T3_E1:          /* SBE wanPTMC-256T3 E1 Version */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_E1);
+        break;
+    case SBE_BID_256T3_T1:          /* SBE wanPTMC-256T3 T1 Version */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_T1);
+        break;
+    case SBE_BID_PMC_C4T1E1:        /* 0xC4 - SBE wanPMC-C4T1E1 */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1);
+        break;
+    case SBE_BID_PMC_C2T1E1:        /* 0xC2 - SBE wanPMC-C2T1E1 */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1);
+        break;
+    case SBE_BID_PMC_C1T1E1:        /* 0xC1 - SBE wanPMC-C1T1E1 */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1);
+        break;
+    case SBE_BID_PCI_C4T1E1:        /* 0x04 - SBE wanPCI-C4T1E1 */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1);
+        break;
+    case SBE_BID_PCI_C2T1E1:        /* 0x02 - SBE wanPCI-C2T1E1 */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C2T1E1);
+        break;
+    case SBE_BID_PCI_C1T1E1:        /* 0x01 - SBE wanPCI-C1T1E1 */
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C1T1E1);
+        break;
+
+    default:
+        /*** hdw_bid = "<unknown>";  ***/
+        ci->brd_id = SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1);
+        break;
+    }
+}
+
+
+/***  End-of-File  ***/
diff --git a/drivers/staging/cxt1e1/sbeproc.c b/drivers/staging/cxt1e1/sbeproc.c
new file mode 100644
index 00000000000..61ca639c184
--- /dev/null
+++ b/drivers/staging/cxt1e1/sbeproc.c
@@ -0,0 +1,358 @@
+/* Copyright (C) 2004-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <asm/uaccess.h>
+#include "pmcc4_sysdep.h"
+#include "sbecom_inline_linux.h"
+#include "pmcc4_private.h"
+#include "sbeproc.h"
+
+/* forwards */
+void        sbecom_get_brdinfo (ci_t *, struct sbe_brd_info *, u_int8_t *);
+extern struct s_hdw_info hdw_info[MAX_BOARDS];
+
+#ifdef CONFIG_PROC_FS
+
+/********************************************************************/
+/* procfs stuff                                                     */
+/********************************************************************/
+
+
+void
+sbecom_proc_brd_cleanup (ci_t * ci)
+{
+    if (ci->dir_dev)
+    {
+	char dir[7 + SBE_IFACETMPL_SIZE + 1];
+	snprintf(dir, sizeof(dir), "driver/%s", ci->devname);
+        remove_proc_entry("info", ci->dir_dev);
+        remove_proc_entry(dir, NULL);
+        ci->dir_dev = NULL;
+    }
+}
+
+
+static int
+sbecom_proc_get_sbe_info (char *buffer, char **start, off_t offset,
+                          int length, int *eof, void *priv)
+{
+    ci_t       *ci = (ci_t *) priv;
+    int         len = 0;
+    char       *spd;
+    struct sbe_brd_info *bip;
+
+    if (!(bip = OS_kmalloc (sizeof (struct sbe_brd_info))))
+    {
+        return -ENOMEM;
+    }
+#if 0
+    /** RLD DEBUG **/
+    printk (">> sbecom_proc_get_sbe_info: entered, offset %d. length %d.\n",
+            (int) offset, (int) length);
+#endif
+
+    {
+        hdw_info_t *hi = &hdw_info[ci->brdno];
+
+        u_int8_t *bsn = 0;
+
+        switch (hi->promfmt)
+        {
+        case PROM_FORMAT_TYPE1:
+            bsn = (u_int8_t *) hi->mfg_info.pft1.Serial;
+            break;
+        case PROM_FORMAT_TYPE2:
+            bsn = (u_int8_t *) hi->mfg_info.pft2.Serial;
+            break;
+        }
+
+        sbecom_get_brdinfo (ci, bip, bsn);
+    }
+
+#if 0
+    /** RLD DEBUG **/
+    printk (">> sbecom_get_brdinfo: returned, first_if %p <%s> last_if %p <%s>\n",
+            (char *) &bip->first_iname, (char *) &bip->first_iname,
+            (char *) &bip->last_iname, (char *) &bip->last_iname);
+#endif
+    len += sprintf (buffer + len, "Board Type:    ");
+    switch (bip->brd_id)
+    {
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T3):
+        len += sprintf (buffer + len, "wanPMC-C1T3");
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_E1):
+        len += sprintf (buffer + len, "wanPTMC-256T3 <E1>");
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_T1):
+        len += sprintf (buffer + len, "wanPTMC-256T3 <T1>");
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_C24TE1):
+        len += sprintf (buffer + len, "wanPTMC-C24TE1");
+        break;
+
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1_L):
+        len += sprintf (buffer + len, "wanPMC-C4T1E1");
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1_L):
+        len += sprintf (buffer + len, "wanPMC-C2T1E1");
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1):
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1_L):
+        len += sprintf (buffer + len, "wanPMC-C1T1E1");
+        break;
+
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1):
+        len += sprintf (buffer + len, "wanPCI-C4T1E1");
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C2T1E1):
+        len += sprintf (buffer + len, "wanPCI-C2T1E1");
+        break;
+    case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C1T1E1):
+        len += sprintf (buffer + len, "wanPCI-C1T1E1");
+        break;
+
+    default:
+        len += sprintf (buffer + len, "unknown");
+        break;
+    }
+    len += sprintf (buffer + len, "  [%08X]\n", bip->brd_id);
+
+    len += sprintf (buffer + len, "Board Number:  %d\n", bip->brdno);
+    len += sprintf (buffer + len, "Hardware ID:   0x%02X\n", ci->hdw_bid);
+    len += sprintf (buffer + len, "Board SN:      %06X\n", bip->brd_sn);
+    len += sprintf (buffer + len, "Board MAC:     %02X-%02X-%02X-%02X-%02X-%02X\n",
+           bip->brd_mac_addr[0], bip->brd_mac_addr[1], bip->brd_mac_addr[2],
+          bip->brd_mac_addr[3], bip->brd_mac_addr[4], bip->brd_mac_addr[5]);
+    len += sprintf (buffer + len, "Ports:         %d\n", ci->max_port);
+    len += sprintf (buffer + len, "Channels:      %d\n", bip->brd_chan_cnt);
+#if 1
+    len += sprintf (buffer + len, "Interface:     %s -> %s\n",
+                    (char *) &bip->first_iname, (char *) &bip->last_iname);
+#else
+    len += sprintf (buffer + len, "Interface:     <not available> 1st %p lst %p\n",
+                    (char *) &bip->first_iname, (char *) &bip->last_iname);
+#endif
+
+    switch (bip->brd_pci_speed)
+    {
+    case BINFO_PCI_SPEED_33:
+        spd = "33Mhz";
+        break;
+    case BINFO_PCI_SPEED_66:
+        spd = "66Mhz";
+        break;
+    default:
+        spd = "<not available>";
+        break;
+    }
+    len += sprintf (buffer + len, "PCI Bus Speed: %s\n", spd);
+    len += sprintf (buffer + len, "Release:       %s\n", ci->release);
+
+#ifdef SBE_PMCC4_ENABLE
+    {
+        extern int max_mru;
+#if 0
+        extern int max_chans_used;
+        extern int max_mtu;
+#endif
+        extern int max_rxdesc_used, max_txdesc_used;
+
+        len += sprintf (buffer + len, "\nmax_mru:         %d\n", max_mru);
+#if 0
+        len += sprintf (buffer + len, "\nmax_chans_used:  %d\n", max_chans_used);
+        len += sprintf (buffer + len, "max_mtu:         %d\n", max_mtu);
+#endif
+        len += sprintf (buffer + len, "max_rxdesc_used: %d\n", max_rxdesc_used);
+        len += sprintf (buffer + len, "max_txdesc_used: %d\n", max_txdesc_used);
+    }
+#endif
+
+    OS_kfree (bip);                 /* cleanup */
+
+    /***
+     * How to be a proc read function
+     * ------------------------------
+     * Prototype:
+     *    int f(char *buffer, char **start, off_t offset,
+     *          int count, int *peof, void *dat)
+     *
+     * Assume that the buffer is "count" bytes in size.
+     *
+     * If you know you have supplied all the data you
+     * have, set *peof.
+     *
+     * You have three ways to return data:
+     * 0) Leave *start = NULL.  (This is the default.)
+     *    Put the data of the requested offset at that
+     *    offset within the buffer.  Return the number (n)
+     *    of bytes there are from the beginning of the
+     *    buffer up to the last byte of data.  If the
+     *    number of supplied bytes (= n - offset) is
+     *    greater than zero and you didn't signal eof
+     *    and the reader is prepared to take more data
+     *    you will be called again with the requested
+     *    offset advanced by the number of bytes
+     *    absorbed.  This interface is useful for files
+     *    no larger than the buffer.
+     * 1) Set *start = an unsigned long value less than
+     *    the buffer address but greater than zero.
+     *    Put the data of the requested offset at the
+     *    beginning of the buffer.  Return the number of
+     *    bytes of data placed there.  If this number is
+     *    greater than zero and you didn't signal eof
+     *    and the reader is prepared to take more data
+     *    you will be called again with the requested
+     *    offset advanced by *start.  This interface is
+     *    useful when you have a large file consisting
+     *    of a series of blocks which you want to count
+     *    and return as wholes.
+     *    (Hack by Paul.Russell@rustcorp.com.au)
+     * 2) Set *start = an address within the buffer.
+     *    Put the data of the requested offset at *start.
+     *    Return the number of bytes of data placed there.
+     *    If this number is greater than zero and you
+     *    didn't signal eof and the reader is prepared to
+     *    take more data you will be called again with the
+     *    requested offset advanced by the number of bytes
+     *    absorbed.
+     */
+
+#if 1
+    /* #4 - intepretation of above = set EOF, return len */
+    *eof = 1;
+#endif
+
+#if 0
+    /*
+     * #1 - from net/wireless/atmel.c RLD NOTE -there's something wrong with
+     * this plagarized code which results in this routine being called TWICE.
+     * The second call returns ZERO, resulting in hidden failure, but at
+     * least only a single message set is being displayed.
+     */
+    if (len <= offset + length)
+        *eof = 1;
+    *start = buffer + offset;
+    len -= offset;
+    if (len > length)
+        len = length;
+    if (len < 0)
+        len = 0;
+#endif
+
+#if 0                               /* #2 from net/tokenring/olympic.c +
+                                     * lanstreamer.c */
+    {
+        off_t       begin = 0;
+        int         size = 0;
+        off_t       pos = 0;
+
+        size = len;
+        pos = begin + size;
+        if (pos < offset)
+        {
+            len = 0;
+            begin = pos;
+        }
+        *start = buffer + (offset - begin);     /* Start of wanted data */
+        len -= (offset - begin);    /* Start slop */
+        if (len > length)
+            len = length;           /* Ending slop */
+    }
+#endif
+
+#if 0                               /* #3 from
+                                     * char/ftape/lowlevel/ftape-proc.c */
+    len = strlen (buffer);
+    *start = NULL;
+    if (offset + length >= len)
+        *eof = 1;
+    else
+        *eof = 0;
+#endif
+
+#if 0
+    printk (">> proc_fs: returned len = %d., start %p\n", len, start);  /* RLD DEBUG */
+#endif
+
+/***
+   using NONE: returns = 314.314.314.
+   using #1  : returns = 314, 0.
+   using #2  : returns = 314, 0, 0.
+   using #3  : returns = 314, 314.
+   using #4  : returns = 314, 314.
+***/
+
+    return len;
+}
+
+/* initialize the /proc subsystem for the specific SBE driver */
+
+int         __init
+sbecom_proc_brd_init (ci_t * ci)
+{
+    struct proc_dir_entry *e;
+    char dir[7 + SBE_IFACETMPL_SIZE + 1];
+
+    /* create a directory in the root procfs */
+    snprintf(dir, sizeof(dir), "driver/%s", ci->devname);
+    ci->dir_dev = proc_mkdir(dir, NULL);
+    if (!ci->dir_dev)
+    {
+        printk (KERN_ERR "%s: Unable to create directory /proc/driver/%s\n",
+                THIS_MODULE->name, ci->devname);
+        goto fail;
+    }
+    e = create_proc_read_entry ("info", S_IFREG | S_IRUGO,
+                                ci->dir_dev, sbecom_proc_get_sbe_info, ci);
+    if (!e)
+    {
+        printk (KERN_ERR "%s: Unable to create entry /proc/driver/%s/info\n",
+                THIS_MODULE->name, ci->devname);
+        goto fail;
+    }
+    return 0;
+
+fail:
+    sbecom_proc_brd_cleanup (ci);
+    return 1;
+}
+
+#else                           /*** ! CONFIG_PROC_FS ***/
+
+/* stubbed off dummy routines */
+
+void
+sbecom_proc_brd_cleanup (ci_t * ci)
+{
+}
+
+int         __init
+sbecom_proc_brd_init (ci_t * ci)
+{
+    return 0;
+}
+
+#endif                          /*** CONFIG_PROC_FS ***/
+
+
+/*** End-of-File ***/
diff --git a/drivers/staging/cxt1e1/sbeproc.h b/drivers/staging/cxt1e1/sbeproc.h
new file mode 100644
index 00000000000..4aa53f44ec0
--- /dev/null
+++ b/drivers/staging/cxt1e1/sbeproc.h
@@ -0,0 +1,52 @@
+/*
+ * $Id: sbeproc.h,v 1.2 2005/10/17 23:55:28 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_SBEPROC_H_
+#define _INC_SBEPROC_H_
+
+/*-----------------------------------------------------------------------------
+ * sbeproc.h -
+ *
+ * Copyright (C) 2004-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.2 $
+ * Last changed on $Date: 2005/10/17 23:55:28 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: sbeproc.h,v $
+ * Revision 1.2  2005/10/17 23:55:28  rickd
+ * sbecom_proc_brd_init() is an declared an __init function.
+ *
+ * Revision 1.1  2005/09/28 00:10:09  rickd
+ * Remove unneeded inclusion of c4_private.h.
+ *
+ * Revision 1.0  2005/05/10 22:21:46  rickd
+ * Initial check-in.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+
+#ifdef CONFIG_PROC_FS
+#ifdef __KERNEL__
+void        sbecom_proc_brd_cleanup (ci_t *);
+int __init  sbecom_proc_brd_init (ci_t *);
+
+#endif                          /*** __KERNEL__ ***/
+#endif                          /*** CONFIG_PROC_FS ***/
+#endif                          /*** _INC_SBEPROC_H_ ***/
diff --git a/drivers/staging/cxt1e1/sbew_ioc.h b/drivers/staging/cxt1e1/sbew_ioc.h
new file mode 100644
index 00000000000..14d371904d1
--- /dev/null
+++ b/drivers/staging/cxt1e1/sbew_ioc.h
@@ -0,0 +1,136 @@
+/*
+ * $Id: sbew_ioc.h,v 1.0 2005/09/28 00:10:10 rickd PMCC4_3_1B $
+ */
+
+#ifndef _INC_SBEWIOC_H_
+#define _INC_SBEWIOC_H_
+
+/*-----------------------------------------------------------------------------
+ * sbew_ioc.h -
+ *
+ * Copyright (C) 2002-2005  SBE, Inc.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ * For further information, contact via email: support@sbei.com
+ * SBE, Inc.  San Ramon, California  U.S.A.
+ *
+ *-----------------------------------------------------------------------------
+ * RCS info:
+ * RCS revision: $Revision: 1.0 $
+ * Last changed on $Date: 2005/09/28 00:10:10 $
+ * Changed by $Author: rickd $
+ *-----------------------------------------------------------------------------
+ * $Log: sbew_ioc.h,v $
+ * Revision 1.0  2005/09/28 00:10:10  rickd
+ * Initial revision
+ *
+ * Revision 1.6  2005/01/11 18:41:01  rickd
+ * Add BRDADDR_GET Ioctl.
+ *
+ * Revision 1.5  2004/09/16 18:55:59  rickd
+ * Start setting up for generic framer configuration Ioctl by switch
+ * from tect3_framer_param[] to sbecom_framer_param[].
+ *
+ * Revision 1.4  2004/06/28 17:58:15  rickd
+ * Rename IOC_TSMAP_[GS] to IOC_TSIOC_[GS] to support need for
+ * multiple formats of data when setting up TimeSlots.
+ *
+ * Revision 1.3  2004/06/22 21:18:13  rickd
+ * read_vec now() ONLY handles a single common wrt_vec array.
+ *
+ * Revision 1.1  2004/06/10 18:11:34  rickd
+ * Add IID_GET Ioctl reference.
+ *
+ * Revision 1.0  2004/06/08 22:59:38  rickd
+ * Initial revision
+ *
+ * Revision 2.0  2004/06/07 17:49:47  rickd
+ * Initial library release following merge of wanc1t3/wan256 into
+ * common elements for lib.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+#ifndef __KERNEL__
+#include <sys/types.h>
+#endif
+#ifdef SunOS
+#include <sys/ioccom.h>
+#else
+#include <linux/ioctl.h>
+#endif
+
+#ifdef __cplusplus
+extern      "C"
+{
+#endif
+
+#define SBE_LOCKFILE   "/tmp/.sbewan.LCK"
+
+#define SBE_IOC_COOKIE     0x19780926
+#define SBE_IOC_MAGIC      ('s')
+
+/* IOW write - data has to go into driver from application */
+/* IOR read - data has to be returned to application from driver */
+
+/*
+ * Note: for an IOWR Ioctl, the read and write data do not have to
+ * be the same size, but the entity declared within the IOC must be
+ * the larger of the two.
+ */
+
+#define SBE_IOC_LOGLEVEL       _IOW(SBE_IOC_MAGIC, 0x00, int)
+#define SBE_IOC_CHAN_NEW       _IOW(SBE_IOC_MAGIC, 0x01,int)    /* unused */
+#define SBE_IOC_CHAN_UP        _IOW(SBE_IOC_MAGIC, 0x02,int)    /* unused */
+#define SBE_IOC_CHAN_DOWN      _IOW(SBE_IOC_MAGIC, 0x03,int)    /* unused */
+#define SBE_IOC_CHAN_GET       _IOWR(SBE_IOC_MAGIC,0x04, struct sbecom_chan_param)
+#define SBE_IOC_CHAN_SET       _IOW(SBE_IOC_MAGIC, 0x05, struct sbecom_chan_param)
+#define SBE_IOC_CHAN_GET_STAT  _IOWR(SBE_IOC_MAGIC,0x06, struct sbecom_chan_stats)
+#define SBE_IOC_CHAN_DEL_STAT  _IOW(SBE_IOC_MAGIC, 0x07, int)
+#define SBE_IOC_PORTS_ENABLE   _IOW(SBE_IOC_MAGIC, 0x0A, int)
+#define SBE_IOC_PORT_GET       _IOWR(SBE_IOC_MAGIC,0x0C, struct sbecom_port_param)
+#define SBE_IOC_PORT_SET       _IOW(SBE_IOC_MAGIC, 0x0D, struct sbecom_port_param)
+#define SBE_IOC_READ_VEC       _IOWR(SBE_IOC_MAGIC,0x10, struct sbecom_wrt_vec)
+#define SBE_IOC_WRITE_VEC      _IOWR(SBE_IOC_MAGIC,0x11, struct sbecom_wrt_vec)
+#define SBE_IOC_GET_SN         _IOR(SBE_IOC_MAGIC, 0x12, u_int32_t)
+#define SBE_IOC_RESET_DEV      _IOW(SBE_IOC_MAGIC, 0x13, int)
+#define SBE_IOC_FRAMER_GET     _IOWR(SBE_IOC_MAGIC,0x14, struct sbecom_framer_param)
+#define SBE_IOC_FRAMER_SET     _IOW(SBE_IOC_MAGIC, 0x15, struct sbecom_framer_param)
+#define SBE_IOC_CARD_GET       _IOR(SBE_IOC_MAGIC, 0x20, struct sbecom_card_param)
+#define SBE_IOC_CARD_SET       _IOW(SBE_IOC_MAGIC, 0x21, struct sbecom_card_param)
+#define SBE_IOC_CARD_GET_STAT  _IOR(SBE_IOC_MAGIC, 0x22, struct temux_card_stats)
+#define SBE_IOC_CARD_DEL_STAT  _IO(SBE_IOC_MAGIC,  0x23)
+#define SBE_IOC_CARD_CHAN_STAT _IOR(SBE_IOC_MAGIC, 0x24, struct sbecom_chan_stats)
+#define SBE_IOC_CARD_BLINK     _IOW(SBE_IOC_MAGIC, 0x30, int)
+#define SBE_IOC_DRVINFO_GET    _IOWR(SBE_IOC_MAGIC,0x31, struct sbe_drv_info)
+#define SBE_IOC_BRDINFO_GET    _IOR(SBE_IOC_MAGIC, 0x32, struct sbe_brd_info)
+#define SBE_IOC_IID_GET        _IOWR(SBE_IOC_MAGIC,0x33, struct sbe_iid_info)
+#define SBE_IOC_BRDADDR_GET    _IOWR(SBE_IOC_MAGIC, 0x34, struct sbe_brd_addr)
+
+#ifdef NOT_YET_COMMON
+#define SBE_IOC_TSIOC_GET      _IOWR(SBE_IOC_MAGIC,0x16, struct wanc1t3_ts_param)
+#define SBE_IOC_TSIOC_SET      _IOW(SBE_IOC_MAGIC, 0x17, struct wanc1t3_ts_param)
+#endif
+
+/*
+ * Restrict SBE_IOC_WRITE_VEC & READ_VEC to a single parameter pair, application
+ * then must issue multiple Ioctls for large blocks of contiguous data.
+ */
+
+#define SBE_IOC_MAXVEC    1
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif                          /*** _INC_SBEWIOC_H_ ***/

From d607c7811279b51fb1a7dbbe01533f7acf26ab23 Mon Sep 17 00:00:00 2001
From: Maurice Dawson <mauricedawson2699@googlemail.com>
Date: Wed, 17 Mar 2010 13:40:11 +0000
Subject: [PATCH 0820/3638] Staging: comedi: fix indent coding style issue in
 adl_pci9118.c

Patch to the adl_pci9118.c that fixes, ERROR: code indent should use tabs where possible, found by the checkpatch.pl tool

Signed-off-by: Maurice Dawson <mauricedawson2699@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci9118.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index 944f20ae5a6..bed7e41445a 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -44,20 +44,20 @@ c) If isn't used DMA then you can use only mode where
 Configuration options:
   [0] - PCI bus of device (optional)
   [1] - PCI slot of device (optional)
-          If bus/slot is not specified, then first available PCI
-          card will be used.
+	If bus/slot is not specified, then first available PCI
+	card will be used.
   [2] - 0= standard 8 DIFF/16 SE channels configuration
-        n= external multiplexer connected, 1<=n<=256
+	n = external multiplexer connected, 1 <= n <= 256
   [3] - 0=autoselect DMA or EOC interrupts operation
-        1=disable DMA mode
-        3=disable DMA and INT, only insn interface will work
+	1 = disable DMA mode
+	3 = disable DMA and INT, only insn interface will work
   [4] - sample&hold signal - card can generate signal for external S&H board
-        0=use SSHO (pin 45) signal is generated in onboard hardware S&H logic
-        0!=use ADCHN7 (pin 23) signal is generated from driver, number
-           say how long delay is requested in ns and sign polarity of the hold
-           (in this case external multiplexor can serve only 128 channels)
+	0 = use SSHO(pin 45) signal is generated in onboard hardware S&H logic
+	0 != use ADCHN7(pin 23) signal is generated from driver, number say how
+		long delay is requested in ns and sign polarity of the hold
+		(in this case external multiplexor can serve only 128 channels)
   [5] - 0=stop measure on all hardware errors
-        2|=ignore ADOR - A/D Overrun status
+	2 | = ignore ADOR - A/D Overrun status
 	8|=ignore Bover - A/D Burst Mode Overrun status
 	256|=ignore nFull - A/D FIFO Full status
 

From 242467bd058f09ec05985bb09201a9cd0b1d89e5 Mon Sep 17 00:00:00 2001
From: Maurice Dawson <mauricedawson2699@googlemail.com>
Date: Thu, 18 Mar 2010 14:46:37 +0000
Subject: [PATCH 0821/3638] Staging: comedi: fix 80 character coding style
 issue in adl_pci9118.c

Fixes all over 80 character warnings in the adl_pci9118.c file found by the checkpatch.pl tool

Signed-off-by: Maurice Dawson <mauricedawson2699@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci9118.c | 778 +++++++++++++------
 1 file changed, 530 insertions(+), 248 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index bed7e41445a..4f9fd7dd0cf 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -75,9 +75,15 @@ Configuration options:
 #include "comedi_fc.h"
 
 /* paranoid checks are broken */
-#undef PCI9118_PARANOIDCHECK	/* if defined, then is used code which control correct channel number on every 12 bit sample */
+#undef PCI9118_PARANOIDCHECK	/*
+				 * if defined, then is used code which control
+				 * correct channel number on every 12 bit sample
+				 */
 
-#undef PCI9118_EXTDEBUG		/* if defined then driver prints a lot of messages */
+#undef PCI9118_EXTDEBUG		/*
+				 * if defined then driver prints
+				 * a lot of messages
+				 */
 
 #undef DPRINTK
 #ifdef PCI9118_EXTDEBUG
@@ -87,7 +93,10 @@ Configuration options:
 #endif
 
 #define IORANGE_9118 	64	/* I hope */
-#define PCI9118_CHANLEN	255	/* len of chanlist, some source say 256, but reality looks like 255 :-( */
+#define PCI9118_CHANLEN	255	/*
+				 * len of chanlist, some source say 256,
+				 * but reality looks like 255 :-(
+				 */
 
 #define PCI9118_CNT0	0x00	/* R/W: 8254 counter 0 */
 #define PCI9118_CNT1	0x04	/* R/W: 8254 counter 0 */
@@ -113,20 +122,47 @@ Configuration options:
 #define AdControl_UniP	0x80	/* 1=bipolar, 0=unipolar */
 #define AdControl_Diff	0x40	/* 1=differential, 0= single end inputs */
 #define AdControl_SoftG	0x20	/* 1=8254 counter works, 0=counter stops */
-#define	AdControl_ExtG	0x10	/* 1=8254 countrol controlled by TGIN(pin 46), 0=controled by SoftG */
-#define AdControl_ExtM	0x08	/* 1=external hardware trigger (pin 44), 0=internal trigger */
-#define AdControl_TmrTr	0x04	/* 1=8254 is iternal trigger source, 0=software trigger is source (register PCI9118_SOFTTRG) */
+#define	AdControl_ExtG	0x10	/*
+				 * 1=8254 countrol controlled by TGIN(pin 46),
+				 * 0=controlled by SoftG
+				 */
+#define AdControl_ExtM	0x08	/*
+				 * 1=external hardware trigger (pin 44),
+				 * 0=internal trigger
+				 */
+#define AdControl_TmrTr	0x04	/*
+				 * 1=8254 is iternal trigger source,
+				 * 0=software trigger is source
+				 * (register PCI9118_SOFTTRG)
+				 */
 #define AdControl_Int	0x02	/* 1=enable INT, 0=disable */
 #define AdControl_Dma	0x01	/* 1=enable DMA, 0=disable */
 
 /* bits from A/D function register (PCI9118_ADFUNC) */
-#define AdFunction_PDTrg	0x80	/* 1=positive, 0=negative digital trigger (only positive is correct) */
-#define AdFunction_PETrg	0x40	/* 1=positive, 0=negative external trigger (only positive is correct) */
+#define AdFunction_PDTrg	0x80	/*
+					 * 1=positive,
+					 * 0=negative digital trigger
+					 * (only positive is correct)
+					 */
+#define AdFunction_PETrg	0x40	/*
+					 * 1=positive,
+					 * 0=negative external trigger
+					 * (only positive is correct)
+					 */
 #define AdFunction_BSSH		0x20	/* 1=with sample&hold, 0=without */
 #define AdFunction_BM		0x10	/* 1=burst mode, 0=normal mode */
-#define AdFunction_BS		0x08	/* 1=burst mode start, 0=burst mode stop */
-#define AdFunction_PM		0x04	/* 1=post trigger mode, 0=not post trigger */
-#define AdFunction_AM		0x02	/* 1=about trigger mode, 0=not about trigger */
+#define AdFunction_BS		0x08	/*
+					 * 1=burst mode start,
+					 * 0=burst mode stop
+					 */
+#define AdFunction_PM		0x04	/*
+					 * 1=post trigger mode,
+					 * 0=not post trigger
+					 */
+#define AdFunction_AM		0x02	/*
+					 * 1=about trigger mode,
+					 * 0=not about trigger
+					 */
 #define AdFunction_Start	0x01	/* 1=trigger start, 0=trigger stop */
 
 /* bits from A/D status register (PCI9118_ADSTAT) */
@@ -178,30 +214,39 @@ static const struct comedi_lrange range_pci9118hg = { 8, {
 							  }
 };
 
-#define PCI9118_BIPOLAR_RANGES	4	/* used for test on mixture of BIP/UNI ranges */
+#define PCI9118_BIPOLAR_RANGES	4	/*
+					 * used for test on mixture
+					 * of BIP/UNI ranges
+					 */
 
 static int pci9118_attach(struct comedi_device *dev,
 			  struct comedi_devconfig *it);
 static int pci9118_detach(struct comedi_device *dev);
 
 struct boardtype {
-	const char *name;	/*  board name */
-	int vendor_id;		/*  PCI vendor a device ID of card */
+	const char *name;		/* board name */
+	int vendor_id;			/* PCI vendor a device ID of card */
 	int device_id;
-	int iorange_amcc;	/*  iorange for own S5933 region */
-	int iorange_9118;	/*  pass thru card region size */
-	int n_aichan;		/*  num of A/D chans */
-	int n_aichand;		/*  num of A/D chans in diff mode */
-	int mux_aichan;		/*  num of A/D chans with external multiplexor */
-	int n_aichanlist;	/*  len of chanlist */
-	int n_aochan;		/*  num of D/A chans */
-	int ai_maxdata;		/*  resolution of A/D */
-	int ao_maxdata;		/*  resolution of D/A */
-	const struct comedi_lrange *rangelist_ai;	/*  rangelist for A/D */
-	const struct comedi_lrange *rangelist_ao;	/*  rangelist for D/A */
-	unsigned int ai_ns_min;	/*  max sample speed of card v ns */
-	unsigned int ai_pacer_min;	/*  minimal pacer value (c1*c2 or c1 in burst) */
-	int half_fifo_size;	/*  size of FIFO/2 */
+	int iorange_amcc;		/* iorange for own S5933 region */
+	int iorange_9118;		/* pass thru card region size */
+	int n_aichan;			/* num of A/D chans */
+	int n_aichand;			/* num of A/D chans in diff mode */
+	int mux_aichan;			/*
+					 * num of A/D chans with
+					 * external multiplexor
+					 */
+	int n_aichanlist;		/* len of chanlist */
+	int n_aochan;			/* num of D/A chans */
+	int ai_maxdata;			/* resolution of A/D */
+	int ao_maxdata;			/* resolution of D/A */
+	const struct comedi_lrange *rangelist_ai;	/* rangelist for A/D */
+	const struct comedi_lrange *rangelist_ao;	/* rangelist for D/A */
+	unsigned int ai_ns_min;		/* max sample speed of card v ns */
+	unsigned int ai_pacer_min;	/*
+					 * minimal pacer value
+					 * (c1*c2 or c1 in burst)
+					 */
+	int half_fifo_size;		/* size of FIFO/2 */
 
 };
 
@@ -246,63 +291,113 @@ static struct comedi_driver driver_pci9118 = {
 COMEDI_PCI_INITCLEANUP(driver_pci9118, pci9118_pci_table);
 
 struct pci9118_private {
-	unsigned long iobase_a;	/*  base+size for AMCC chip */
-	unsigned int master;	/*  master capable */
-	struct pci_dev *pcidev;	/*  ptr to actual pcidev */
-	unsigned int usemux;	/*  we want to use external multiplexor! */
+	unsigned long iobase_a;	/* base+size for AMCC chip */
+	unsigned int master;	/* master capable */
+	struct pci_dev *pcidev;	/* ptr to actual pcidev */
+	unsigned int usemux;	/* we want to use external multiplexor! */
 #ifdef PCI9118_PARANOIDCHECK
-	unsigned short chanlist[PCI9118_CHANLEN + 1];	/*  list of scaned channel */
-	unsigned char chanlistlen;	/*  number of scanlist */
+	unsigned short chanlist[PCI9118_CHANLEN + 1];	/*
+							 * list of
+							 * scanned channel
+							 */
+	unsigned char chanlistlen;	/* number of scanlist */
 #endif
-	unsigned char AdControlReg;	/*  A/D control register */
-	unsigned char IntControlReg;	/*  Interrupt control register */
-	unsigned char AdFunctionReg;	/*  A/D function register */
-	char valid;		/*  driver is ok */
-	char ai_neverending;	/*  we do unlimited AI */
-	unsigned int i8254_osc_base;	/*  frequence of onboard oscilator */
-	unsigned int ai_do;	/*  what do AI? 0=nothing, 1 to 4 mode */
-	unsigned int ai_act_scan;	/*  how many scans we finished */
-	unsigned int ai_buf_ptr;	/*  data buffer ptr in samples */
-	unsigned int ai_n_chan;	/*  how many channels is measured */
-	unsigned int ai_n_scanlen;	/*  len of actual scanlist */
-	unsigned int ai_n_realscanlen;	/*  what we must transfer for one outgoing scan include front/back adds */
-	unsigned int ai_act_dmapos;	/*  position in actual real stream */
-	unsigned int ai_add_front;	/*  how many channels we must add before scan to satisfy S&H? */
-	unsigned int ai_add_back;	/*  how many channels we must add before scan to satisfy DMA? */
-	unsigned int *ai_chanlist;	/*  actaul chanlist */
+	unsigned char AdControlReg;	/* A/D control register */
+	unsigned char IntControlReg;	/* Interrupt control register */
+	unsigned char AdFunctionReg;	/* A/D function register */
+	char valid;			/* driver is ok */
+	char ai_neverending;		/* we do unlimited AI */
+	unsigned int i8254_osc_base;	/* frequence of onboard oscilator */
+	unsigned int ai_do;		/* what do AI? 0=nothing, 1 to 4 mode */
+	unsigned int ai_act_scan;	/* how many scans we finished */
+	unsigned int ai_buf_ptr;	/* data buffer ptr in samples */
+	unsigned int ai_n_chan;		/* how many channels is measured */
+	unsigned int ai_n_scanlen;	/* len of actual scanlist */
+	unsigned int ai_n_realscanlen;	/*
+					 * what we must transfer for one
+					 * outgoing scan include front/back adds
+					 */
+	unsigned int ai_act_dmapos;	/* position in actual real stream */
+	unsigned int ai_add_front;	/*
+					 * how many channels we must add
+					 * before scan to satisfy S&H?
+					 */
+	unsigned int ai_add_back;	/*
+					 * how many channels we must add
+					 * before scan to satisfy DMA?
+					 */
+	unsigned int *ai_chanlist;	/* actual chanlist */
 	unsigned int ai_timer1;
 	unsigned int ai_timer2;
 	unsigned int ai_flags;
-	char ai12_startstop;	/*  measure can start/stop on external trigger */
-	unsigned int ai_divisor1, ai_divisor2;	/*  divisors for start of measure on external start */
+	char ai12_startstop;		/*
+					 * measure can start/stop
+					 * on external trigger
+					 */
+	unsigned int ai_divisor1, ai_divisor2;	/*
+						 * divisors for start of measure
+						 * on external start
+						 */
 	unsigned int ai_data_len;
 	short *ai_data;
-	short ao_data[2];	/*  data output buffer */
-	unsigned int ai_scans;	/*  number of scans to do */
-	char dma_doublebuf;	/*  we can use double buffring */
-	unsigned int dma_actbuf;	/*  which buffer is used now */
-	short *dmabuf_virt[2];	/*  pointers to begin of DMA buffer */
-	unsigned long dmabuf_hw[2];	/*  hw address of DMA buff */
-	unsigned int dmabuf_size[2];	/*  size of dma buffer in bytes */
-	unsigned int dmabuf_use_size[2];	/*  which size we may now used for transfer */
-	unsigned int dmabuf_used_size[2];	/*  which size was trully used */
+	short ao_data[2];			/* data output buffer */
+	unsigned int ai_scans;			/* number of scans to do */
+	char dma_doublebuf;			/* we can use double buffring */
+	unsigned int dma_actbuf;		/* which buffer is used now */
+	short *dmabuf_virt[2];			/*
+						 * pointers to begin of
+						 * DMA buffer
+						 */
+	unsigned long dmabuf_hw[2];		/* hw address of DMA buff */
+	unsigned int dmabuf_size[2];		/*
+						 * size of dma buffer in bytes
+						 */
+	unsigned int dmabuf_use_size[2];	/*
+						 * which size we may now use
+						 * for transfer
+						 */
+	unsigned int dmabuf_used_size[2];	/* which size was truly used */
 	unsigned int dmabuf_panic_size[2];
-	unsigned int dmabuf_samples[2];	/*  size in samples */
-	int dmabuf_pages[2];	/*  number of pages in buffer */
-	unsigned char cnt0_users;	/*  bit field of 8254 CNT0 users (0-unused, 1-AO, 2-DI, 3-DO) */
-	unsigned char exttrg_users;	/*  bit field of external trigger users (0-AI, 1-AO, 2-DI, 3-DO) */
-	unsigned int cnt0_divisor;	/*  actual CNT0 divisor */
-	void (*int_ai_func) (struct comedi_device *, struct comedi_subdevice *, unsigned short, unsigned int, unsigned short);	/*  ptr to actual interrupt AI function */
-	unsigned char ai16bits;	/*  =1 16 bit card */
-	unsigned char usedma;	/*  =1 use DMA transfer and not INT */
-	unsigned char useeoshandle;	/*  =1 change WAKE_EOS DMA transfer to fit on every second */
-	unsigned char usessh;	/*  =1 turn on S&H support */
-	int softsshdelay;	/*  >0 use software S&H, numer is requested delay in ns */
-	unsigned char softsshsample;	/*  polarity of S&H signal in sample state */
-	unsigned char softsshhold;	/*  polarity of S&H signal in hold state */
-	unsigned int ai_maskerr;	/*  which warning was printed */
-	unsigned int ai_maskharderr;	/*  on which error bits stops */
-	unsigned int ai_inttrig_start;	/*  TRIG_INT for start */
+	unsigned int dmabuf_samples[2];		/* size in samples */
+	int dmabuf_pages[2];			/* number of pages in buffer */
+	unsigned char cnt0_users;		/*
+						 * bit field of 8254 CNT0 users
+						 * (0-unused, 1-AO, 2-DI, 3-DO)
+						 */
+	unsigned char exttrg_users;		/*
+						 * bit field of external trigger
+						 * users(0-AI, 1-AO, 2-DI, 3-DO)
+						 */
+	unsigned int cnt0_divisor;		/* actual CNT0 divisor */
+	void (*int_ai_func) (struct comedi_device *, struct comedi_subdevice *,
+		unsigned short,
+		unsigned int,
+		unsigned short);	/*
+					 * ptr to actual interrupt
+					 * AI function
+					 */
+	unsigned char ai16bits;		/* =1 16 bit card */
+	unsigned char usedma;		/* =1 use DMA transfer and not INT */
+	unsigned char useeoshandle;	/*
+					 * =1 change WAKE_EOS DMA transfer
+					 * to fit on every second
+					 */
+	unsigned char usessh;		/* =1 turn on S&H support */
+	int softsshdelay;		/*
+					 * >0 use software S&H,
+					 * numer is requested delay in ns
+					 */
+	unsigned char softsshsample;	/*
+					 * polarity of S&H signal
+					 * in sample state
+					 */
+	unsigned char softsshhold;	/*
+					 * polarity of S&H signal
+					 * in hold state
+					 */
+	unsigned int ai_maskerr;	/* which warning was printed */
+	unsigned int ai_maskharderr;	/* on which error bits stops */
+	unsigned int ai_inttrig_start;	/* TRIG_INT for start */
 };
 
 #define devpriv ((struct pci9118_private *)dev->private)
@@ -346,12 +441,19 @@ static int pci9118_insn_read_ai(struct comedi_device *dev,
 
 	devpriv->AdControlReg = AdControl_Int & 0xff;
 	devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
-	outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);	/*  positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
+	outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
+						/*
+						 * positive triggers, no S&H,
+						 * no burst, burst stop,
+						 * no post trigger,
+						 * no about trigger,
+						 * trigger stop
+						 */
 
 	if (!setup_channel_list(dev, s, 1, &insn->chanspec, 0, 0, 0, 0, 0))
 		return -EINVAL;
 
-	outl(0, dev->iobase + PCI9118_DELFIFO);	/*  flush FIFO */
+	outl(0, dev->iobase + PCI9118_DELFIFO);	/* flush FIFO */
 
 	for (n = 0; n < insn->n; n++) {
 		outw(0, dev->iobase + PCI9118_SOFTTRG);	/* start conversion */
@@ -365,7 +467,7 @@ static int pci9118_insn_read_ai(struct comedi_device *dev,
 
 		comedi_error(dev, "A/D insn timeout");
 		data[n] = 0;
-		outl(0, dev->iobase + PCI9118_DELFIFO);	/*  flush FIFO */
+		outl(0, dev->iobase + PCI9118_DELFIFO);	/* flush FIFO */
 		return -ETIME;
 
 conv_finish:
@@ -379,7 +481,7 @@ conv_finish:
 		}
 	}
 
-	outl(0, dev->iobase + PCI9118_DELFIFO);	/*  flush FIFO */
+	outl(0, dev->iobase + PCI9118_DELFIFO);	/* flush FIFO */
 	return n;
 
 }
@@ -590,11 +692,13 @@ static void interrupt_pci9118_ai_onesample(struct comedi_device *dev,
 
 #ifdef PCI9118_PARANOIDCHECK
 	if (devpriv->ai16bits == 0) {
-		if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) {	/*  data dropout! */
+		if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) {
+							/* data dropout! */
 			printk
-			    ("comedi: A/D  SAMPL - data dropout: received channel %d, expected %d!\n",
-			     sampl & 0x000f,
-			     devpriv->chanlist[s->async->cur_chan]);
+			    ("comedi: A/D  SAMPL - data dropout: "
+				"received channel %d, expected %d!\n",
+				sampl & 0x000f,
+				devpriv->chanlist[s->async->cur_chan]);
 			s->async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
 			pci9118_ai_cancel(dev, s);
 			comedi_event(dev, s);
@@ -604,11 +708,13 @@ static void interrupt_pci9118_ai_onesample(struct comedi_device *dev,
 #endif
 	cfc_write_to_buffer(s, sampl);
 	s->async->cur_chan++;
-	if (s->async->cur_chan >= devpriv->ai_n_scanlen) {	/* one scan done */
+	if (s->async->cur_chan >= devpriv->ai_n_scanlen) {
+							/* one scan done */
 		s->async->cur_chan %= devpriv->ai_n_scanlen;
 		devpriv->ai_act_scan++;
 		if (!(devpriv->ai_neverending))
-			if (devpriv->ai_act_scan >= devpriv->ai_scans) {	/* all data sampled */
+			if (devpriv->ai_act_scan >= devpriv->ai_scans) {
+							/* all data sampled */
 				pci9118_ai_cancel(dev, s);
 				s->async->events |= COMEDI_CB_EOA;
 			}
@@ -650,10 +756,14 @@ static void interrupt_pci9118_ai_dma(struct comedi_device *dev,
 		if (pci9118_decode_error_status(dev, s, int_adstat))
 			return;
 
-	samplesinbuf = devpriv->dmabuf_use_size[devpriv->dma_actbuf] >> 1;	/*  number of received real samples */
+	samplesinbuf = devpriv->dmabuf_use_size[devpriv->dma_actbuf] >> 1;
+					/* number of received real samples */
 /* DPRINTK("dma_actbuf=%d\n",devpriv->dma_actbuf); */
 
-	if (devpriv->dma_doublebuf) {	/*  switch DMA buffers if is used double buffering */
+	if (devpriv->dma_doublebuf) {	/*
+					 * switch DMA buffers if is used
+					 * double buffering
+					 */
 		next_dma_buf = 1 - devpriv->dma_actbuf;
 		outl(devpriv->dmabuf_hw[next_dma_buf],
 		     devpriv->iobase_a + AMCC_OP_REG_MWAR);
@@ -666,25 +776,32 @@ static void interrupt_pci9118_ai_dma(struct comedi_device *dev,
 	}
 
 	if (samplesinbuf) {
-		m = devpriv->ai_data_len >> 1;	/*  how many samples is to end of buffer */
-/* DPRINTK("samps=%d m=%d %d %d\n",samplesinbuf,m,s->async->buf_int_count,s->async->buf_int_ptr); */
+		m = devpriv->ai_data_len >> 1;	/*
+						 * how many samples is to
+						 * end of buffer
+						 */
+/*
+ * DPRINTK("samps=%d m=%d %d %d\n",
+ * samplesinbuf,m,s->async->buf_int_count,s->async->buf_int_ptr);
+ */
 		sampls = m;
 		move_block_from_dma(dev, s,
 				    devpriv->dmabuf_virt[devpriv->dma_actbuf],
 				    samplesinbuf);
-		m = m - sampls;	/*  m= how many samples was transfered */
+		m = m - sampls;		/* m= how many samples was transfered */
 	}
 /* DPRINTK("YYY\n"); */
 
 	if (!devpriv->ai_neverending)
-		if (devpriv->ai_act_scan >= devpriv->ai_scans) {	/* all data sampled */
+		if (devpriv->ai_act_scan >= devpriv->ai_scans) {
+							/* all data sampled */
 			pci9118_ai_cancel(dev, s);
 			s->async->events |= COMEDI_CB_EOA;
 		}
 
-	if (devpriv->dma_doublebuf) {	/*  switch dma buffers */
+	if (devpriv->dma_doublebuf) {	/* switch dma buffers */
 		devpriv->dma_actbuf = 1 - devpriv->dma_actbuf;
-	} else {		/*  restart DMA if is not used double buffering */
+	} else {	/* restart DMA if is not used double buffering */
 		outl(devpriv->dmabuf_hw[0],
 		     devpriv->iobase_a + AMCC_OP_REG_MWAR);
 		outl(devpriv->dmabuf_use_size[0],
@@ -705,39 +822,62 @@ static irqreturn_t interrupt_pci9118(int irq, void *d)
 	unsigned int int_daq = 0, int_amcc, int_adstat;
 
 	if (!dev->attached)
-		return IRQ_NONE;	/*  not fully initialized */
+		return IRQ_NONE;	/* not fully initialized */
 
-	int_daq = inl(dev->iobase + PCI9118_INTSRC) & 0xf;	/*  get IRQ reasons from card */
-	int_amcc = inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR);	/*  get INT register from AMCC chip */
+	int_daq = inl(dev->iobase + PCI9118_INTSRC) & 0xf;
+					/* get IRQ reasons from card */
+	int_amcc = inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+					/* get INT register from AMCC chip */
 
-/* DPRINTK("INT daq=0x%01x amcc=0x%08x MWAR=0x%08x MWTC=0x%08x ADSTAT=0x%02x ai_do=%d\n", int_daq, int_amcc, inl(devpriv->iobase_a+AMCC_OP_REG_MWAR), inl(devpriv->iobase_a+AMCC_OP_REG_MWTC), inw(dev->iobase+PCI9118_ADSTAT)&0x1ff,devpriv->ai_do); */
+/*
+ * DPRINTK("INT daq=0x%01x amcc=0x%08x MWAR=0x%08x
+ * MWTC=0x%08x ADSTAT=0x%02x ai_do=%d\n",
+ * int_daq, int_amcc, inl(devpriv->iobase_a+AMCC_OP_REG_MWAR),
+ * inl(devpriv->iobase_a+AMCC_OP_REG_MWTC),
+ * inw(dev->iobase+PCI9118_ADSTAT)&0x1ff,devpriv->ai_do);
+ */
 
 	if ((!int_daq) && (!(int_amcc & ANY_S593X_INT)))
-		return IRQ_NONE;	/*  interrupt from other source */
+		return IRQ_NONE;	/* interrupt from other source */
 
-	outl(int_amcc | 0x00ff0000, devpriv->iobase_a + AMCC_OP_REG_INTCSR);	/*  shutdown IRQ reasons in AMCC */
+	outl(int_amcc | 0x00ff0000, devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+					/* shutdown IRQ reasons in AMCC */
 
-	int_adstat = inw(dev->iobase + PCI9118_ADSTAT) & 0x1ff;	/*  get STATUS register */
+	int_adstat = inw(dev->iobase + PCI9118_ADSTAT) & 0x1ff;
+					/* get STATUS register */
 
 	if (devpriv->ai_do) {
 		if (devpriv->ai12_startstop)
-			if ((int_adstat & AdStatus_DTH) && (int_daq & Int_DTrg)) {	/*  start stop of measure */
+			if ((int_adstat & AdStatus_DTH) &&
+							(int_daq & Int_DTrg)) {
+						/* start stop of measure */
 				if (devpriv->ai12_startstop & START_AI_EXT) {
 					devpriv->ai12_startstop &=
 					    ~START_AI_EXT;
 					if (!(devpriv->ai12_startstop &
-					      STOP_AI_EXT))
-						pci9118_exttrg_del(dev, EXTTRG_AI);	/*  deactivate EXT trigger */
-					start_pacer(dev, devpriv->ai_do, devpriv->ai_divisor1, devpriv->ai_divisor2);	/*  start pacer */
+							STOP_AI_EXT))
+							pci9118_exttrg_del
+							(dev, EXTTRG_AI);
+						/* deactivate EXT trigger */
+					start_pacer(dev, devpriv->ai_do,
+						devpriv->ai_divisor1,
+						devpriv->ai_divisor2);
+						/* start pacer */
 					outl(devpriv->AdControlReg,
-					     dev->iobase + PCI9118_ADCNTRL);
+						dev->iobase + PCI9118_ADCNTRL);
 				} else {
 					if (devpriv->ai12_startstop &
-					    STOP_AI_EXT) {
+						STOP_AI_EXT) {
 						devpriv->ai12_startstop &=
-						    ~STOP_AI_EXT;
-						pci9118_exttrg_del(dev, EXTTRG_AI);	/*  deactivate EXT trigger */
-						devpriv->ai_neverending = 0;	/* well, on next interrupt from DMA/EOC measure will stop */
+							~STOP_AI_EXT;
+						pci9118_exttrg_del
+							(dev, EXTTRG_AI);
+						/* deactivate EXT trigger */
+						devpriv->ai_neverending = 0;
+						/*
+						 * well, on next interrupt from
+						 * DMA/EOC measure will stop
+						 */
 					}
 				}
 			}
@@ -821,7 +961,11 @@ static int pci9118_ai_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/*
+	 * step 2:
+	 * make sure trigger sources are
+	 * unique and mutually compatible
+	 */
 
 	if (cmd->start_src != TRIG_NOW &&
 	    cmd->start_src != TRIG_INT && cmd->start_src != TRIG_EXT) {
@@ -1026,7 +1170,7 @@ static int pci9118_ai_cmdtest(struct comedi_device *dev,
 	if (cmd->chanlist)
 		if (!check_channel_list(dev, s, cmd->chanlist_len,
 					cmd->chanlist, 0, 0))
-			return 5;	/*  incorrect channels list */
+			return 5;	/* incorrect channels list */
 
 	return 0;
 }
@@ -1043,88 +1187,101 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
 	dmalen1 = devpriv->dmabuf_size[1];
 	DPRINTK("1 dmalen0=%d dmalen1=%d ai_data_len=%d\n", dmalen0, dmalen1,
 		devpriv->ai_data_len);
-	/*  isn't output buff smaller that our DMA buff? */
+	/* isn't output buff smaller that our DMA buff? */
 	if (dmalen0 > (devpriv->ai_data_len)) {
-		dmalen0 = devpriv->ai_data_len & ~3L;	/*  allign to 32bit down */
+		dmalen0 = devpriv->ai_data_len & ~3L;	/*
+							 * align to 32bit down
+							 */
 	}
 	if (dmalen1 > (devpriv->ai_data_len)) {
-		dmalen1 = devpriv->ai_data_len & ~3L;	/*  allign to 32bit down */
+		dmalen1 = devpriv->ai_data_len & ~3L;	/*
+							 * align to 32bit down
+							 */
 	}
 	DPRINTK("2 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
 
-	/*  we want wake up every scan? */
+	/* we want wake up every scan? */
 	if (devpriv->ai_flags & TRIG_WAKE_EOS) {
 		if (dmalen0 < (devpriv->ai_n_realscanlen << 1)) {
-			/*  uff, too short DMA buffer, disable EOS support! */
+			/* uff, too short DMA buffer, disable EOS support! */
 			devpriv->ai_flags &= (~TRIG_WAKE_EOS);
 			printk
-			    ("comedi%d: WAR: DMA0 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
+			    ("comedi%d: WAR: DMA0 buf too short, can't "
+					"support TRIG_WAKE_EOS (%d<%d)\n",
 			     dev->minor, dmalen0,
 			     devpriv->ai_n_realscanlen << 1);
 		} else {
-			/*  short first DMA buffer to one scan */
+			/* short first DMA buffer to one scan */
 			dmalen0 = devpriv->ai_n_realscanlen << 1;
 			DPRINTK
-			    ("21 dmalen0=%d ai_n_realscanlen=%d useeoshandle=%d\n",
-			     dmalen0, devpriv->ai_n_realscanlen,
-			     devpriv->useeoshandle);
+				("21 dmalen0=%d ai_n_realscanlen=%d "
+							"useeoshandle=%d\n",
+				dmalen0, devpriv->ai_n_realscanlen,
+				devpriv->useeoshandle);
 			if (devpriv->useeoshandle)
 				dmalen0 += 2;
 			if (dmalen0 < 4) {
 				printk
-				    ("comedi%d: ERR: DMA0 buf len bug? (%d<4)\n",
-				     dev->minor, dmalen0);
+					("comedi%d: ERR: DMA0 buf len bug? "
+								"(%d<4)\n",
+					dev->minor, dmalen0);
 				dmalen0 = 4;
 			}
 		}
 	}
 	if (devpriv->ai_flags & TRIG_WAKE_EOS) {
 		if (dmalen1 < (devpriv->ai_n_realscanlen << 1)) {
-			/*  uff, too short DMA buffer, disable EOS support! */
+			/* uff, too short DMA buffer, disable EOS support! */
 			devpriv->ai_flags &= (~TRIG_WAKE_EOS);
 			printk
-			    ("comedi%d: WAR: DMA1 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
+			    ("comedi%d: WAR: DMA1 buf too short, "
+					"can't support TRIG_WAKE_EOS (%d<%d)\n",
 			     dev->minor, dmalen1,
 			     devpriv->ai_n_realscanlen << 1);
 		} else {
-			/*  short second DMA buffer to one scan */
+			/* short second DMA buffer to one scan */
 			dmalen1 = devpriv->ai_n_realscanlen << 1;
 			DPRINTK
-			    ("22 dmalen1=%d ai_n_realscanlen=%d useeoshandle=%d\n",
+			    ("22 dmalen1=%d ai_n_realscanlen=%d "
+							"useeoshandle=%d\n",
 			     dmalen1, devpriv->ai_n_realscanlen,
 			     devpriv->useeoshandle);
 			if (devpriv->useeoshandle)
 				dmalen1 -= 2;
 			if (dmalen1 < 4) {
 				printk
-				    ("comedi%d: ERR: DMA1 buf len bug? (%d<4)\n",
-				     dev->minor, dmalen1);
+					("comedi%d: ERR: DMA1 buf len bug? "
+								"(%d<4)\n",
+					dev->minor, dmalen1);
 				dmalen1 = 4;
 			}
 		}
 	}
 
 	DPRINTK("3 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
-	/*  transfer without TRIG_WAKE_EOS */
+	/* transfer without TRIG_WAKE_EOS */
 	if (!(devpriv->ai_flags & TRIG_WAKE_EOS)) {
-		/*  if it's possible then allign DMA buffers to length of scan */
+		/* if it's possible then allign DMA buffers to length of scan */
 		i = dmalen0;
 		dmalen0 =
 		    (dmalen0 / (devpriv->ai_n_realscanlen << 1)) *
 		    (devpriv->ai_n_realscanlen << 1);
 		dmalen0 &= ~3L;
 		if (!dmalen0)
-			dmalen0 = i;	/*  uff. very long scan? */
+			dmalen0 = i;	/* uff. very long scan? */
 		i = dmalen1;
 		dmalen1 =
 		    (dmalen1 / (devpriv->ai_n_realscanlen << 1)) *
 		    (devpriv->ai_n_realscanlen << 1);
 		dmalen1 &= ~3L;
 		if (!dmalen1)
-			dmalen1 = i;	/*  uff. very long scan? */
-		/*  if measure isn't neverending then test, if it whole fits into one or two DMA buffers */
+			dmalen1 = i;	/* uff. very long scan? */
+		/*
+		 * if measure isn't neverending then test, if it fits whole
+		 * into one or two DMA buffers
+		 */
 		if (!devpriv->ai_neverending) {
-			/*  fits whole measure into one DMA buffer? */
+			/* fits whole measure into one DMA buffer? */
 			if (dmalen0 >
 			    ((devpriv->ai_n_realscanlen << 1) *
 			     devpriv->ai_scans)) {
@@ -1138,7 +1295,10 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
 				DPRINTK("3.1 dmalen0=%d dmalen1=%d \n", dmalen0,
 					dmalen1);
 				dmalen0 &= ~3L;
-			} else {	/*  fits whole measure into two DMA buffer? */
+			} else {	/*
+					 * fits whole measure into
+					 * two DMA buffer?
+					 */
 				if (dmalen1 >
 				    ((devpriv->ai_n_realscanlen << 1) *
 				     devpriv->ai_scans - dmalen0))
@@ -1154,7 +1314,7 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
 
 	DPRINTK("4 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
 
-	/*  these DMA buffer size we'll be used */
+	/* these DMA buffer size will be used */
 	devpriv->dma_actbuf = 0;
 	devpriv->dmabuf_use_size[0] = dmalen0;
 	devpriv->dmabuf_use_size[1] = dmalen1;
@@ -1176,10 +1336,11 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
 	}
 #endif
 
-	outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS), devpriv->iobase_a + AMCC_OP_REG_MCSR);	/*  stop DMA */
+	outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS),
+			devpriv->iobase_a + AMCC_OP_REG_MCSR);	/* stop DMA */
 	outl(devpriv->dmabuf_hw[0], devpriv->iobase_a + AMCC_OP_REG_MWAR);
 	outl(devpriv->dmabuf_use_size[0], devpriv->iobase_a + AMCC_OP_REG_MWTC);
-	/*  init DMA transfer */
+	/* init DMA transfer */
 	outl(0x00000000 | AINT_WRITE_COMPL,
 	     devpriv->iobase_a + AMCC_OP_REG_INTCSR);
 /* outl(0x02000000|AINT_WRITE_COMPL, devpriv->iobase_a+AMCC_OP_REG_INTCSR); */
@@ -1187,7 +1348,9 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
 	outl(inl(devpriv->iobase_a +
 		 AMCC_OP_REG_MCSR) | RESET_A2P_FLAGS | A2P_HI_PRIORITY |
 	     EN_A2P_TRANSFERS, devpriv->iobase_a + AMCC_OP_REG_MCSR);
-	outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | EN_A2P_TRANSFERS, devpriv->iobase_a + AMCC_OP_REG_INTCSR);	/*  allow bus mastering */
+	outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | EN_A2P_TRANSFERS,
+			devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+						/* allow bus mastering */
 
 	DPRINTK("adl_pci9118 EDBG: END: Compute_and_setup_dma()\n");
 	return 0;
@@ -1220,17 +1383,21 @@ static int pci9118_ai_docmd_sampl(struct comedi_device *dev,
 		return -EIO;
 	};
 
-	devpriv->int_ai_func = interrupt_pci9118_ai_onesample;	/* transfer function */
+	devpriv->int_ai_func = interrupt_pci9118_ai_onesample;
+						/* transfer function */
 
 	if (devpriv->ai12_startstop)
-		pci9118_exttrg_add(dev, EXTTRG_AI);	/*  activate EXT trigger */
+		pci9118_exttrg_add(dev, EXTTRG_AI);
+						/* activate EXT trigger */
 
 	if ((devpriv->ai_do == 1) || (devpriv->ai_do == 2))
 		devpriv->IntControlReg |= Int_Timer;
 
 	devpriv->AdControlReg |= AdControl_Int;
 
-	outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR);	/*  allow INT in AMCC */
+	outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00,
+			devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+							/* allow INT in AMCC */
 
 	if (!(devpriv->ai12_startstop & (START_AI_EXT | START_AI_INT))) {
 		outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
@@ -1296,10 +1463,12 @@ static int pci9118_ai_docmd_dma(struct comedi_device *dev,
 	};
 
 	if (devpriv->ai12_startstop) {
-		pci9118_exttrg_add(dev, EXTTRG_AI);	/*  activate EXT trigger */
+		pci9118_exttrg_add(dev, EXTTRG_AI);
+						/* activate EXT trigger */
 	}
 
-	devpriv->int_ai_func = interrupt_pci9118_ai_dma;	/* transfer function */
+	devpriv->int_ai_func = interrupt_pci9118_ai_dma;
+						/* transfer function */
 
 	outl(0x02000000 | AINT_WRITE_COMPL,
 	     devpriv->iobase_a + AMCC_OP_REG_INTCSR);
@@ -1342,7 +1511,7 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	devpriv->ai_add_back = 0;
 	devpriv->ai_maskerr = 0x10e;
 
-	/*  prepare for start/stop conditions */
+	/* prepare for start/stop conditions */
 	if (cmd->start_src == TRIG_EXT)
 		devpriv->ai12_startstop |= START_AI_EXT;
 	if (cmd->stop_src == TRIG_EXT) {
@@ -1369,10 +1538,10 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		devpriv->ai_scans = 0;
 	}
 
-	/*  use sample&hold signal? */
+	/* use sample&hold signal? */
 	if (cmd->convert_src == TRIG_NOW) {
 		devpriv->usessh = 1;
-	} /*  yes */
+	} /* yes */
 	else {
 		devpriv->usessh = 0;
 	}			/*  no */
@@ -1381,7 +1550,10 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		devpriv->ai_neverending, devpriv->ai_scans, devpriv->usessh,
 		devpriv->ai12_startstop);
 
-	/*  use additional sample at end of every scan to satisty DMA 32 bit transfer? */
+	/*
+	 * use additional sample at end of every scan
+	 * to satisty DMA 32 bit transfer?
+	 */
 	devpriv->ai_add_front = 0;
 	devpriv->ai_add_back = 0;
 	devpriv->useeoshandle = 0;
@@ -1393,27 +1565,44 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 				devpriv->ai_add_back = 1;
 			}
 			if (cmd->convert_src == TRIG_TIMER) {
-				devpriv->usedma = 0;	/*  use INT transfer if scanlist have only one channel */
+				devpriv->usedma = 0;
+					/*
+					 * use INT transfer if scanlist
+					 * have only one channel
+					 */
 			}
 		}
 		if ((cmd->flags & TRIG_WAKE_EOS) &&
 		    (devpriv->ai_n_scanlen & 1) &&
 		    (devpriv->ai_n_scanlen > 1)) {
 			if (cmd->scan_begin_src == TRIG_FOLLOW) {
-				/* vpriv->useeoshandle=1; // change DMA transfer block to fit EOS on every second call */
-				devpriv->usedma = 0;	/*  XXX maybe can be corrected to use 16 bit DMA */
-			} else {	/*  well, we must insert one sample to end of EOS to meet 32 bit transfer */
+				/*
+				 * vpriv->useeoshandle=1; // change DMA transfer
+				 * block to fit EOS on every second call
+				 */
+				devpriv->usedma = 0;
+				/*
+				 * XXX maybe can be corrected to use 16 bit DMA
+				 */
+			} else {	/*
+					 * well, we must insert one sample
+					 * to end of EOS to meet 32 bit transfer
+					 */
 				devpriv->ai_add_back = 1;
 			}
 		}
-	} else {		/*  interrupt transfer don't need any correction */
+	} else {	/* interrupt transfer don't need any correction */
 		devpriv->usedma = 0;
 	}
 
-	/*  we need software S&H signal? It add  two samples before every scan as minimum */
+	/*
+	 * we need software S&H signal?
+	 * It adds two samples before every scan as minimum
+	 */
 	if (devpriv->usessh && devpriv->softsshdelay) {
 		devpriv->ai_add_front = 2;
-		if ((devpriv->usedma == 1) && (devpriv->ai_add_back == 1)) {	/*  move it to front */
+		if ((devpriv->usedma == 1) && (devpriv->ai_add_back == 1)) {
+							/* move it to front */
 			devpriv->ai_add_front++;
 			devpriv->ai_add_back = 0;
 		}
@@ -1422,17 +1611,22 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		addchans = devpriv->softsshdelay / cmd->convert_arg;
 		if (devpriv->softsshdelay % cmd->convert_arg)
 			addchans++;
-		if (addchans > (devpriv->ai_add_front - 1)) {	/*  uff, still short :-( */
+		if (addchans > (devpriv->ai_add_front - 1)) {
+							/* uff, still short */
 			devpriv->ai_add_front = addchans + 1;
 			if (devpriv->usedma == 1)
 				if ((devpriv->ai_add_front +
 				     devpriv->ai_n_chan +
 				     devpriv->ai_add_back) & 1)
-					devpriv->ai_add_front++;	/*  round up to 32 bit */
+					devpriv->ai_add_front++;
+							/* round up to 32 bit */
 		}
 	}
-	/*  well, we now know what must be all added */
-	devpriv->ai_n_realscanlen =	/*  what we must take from card in real to have ai_n_scanlen on output? */
+	/* well, we now know what must be all added */
+	devpriv->ai_n_realscanlen =	/*
+					 * what we must take from card in real
+					 * to have ai_n_scanlen on output?
+					 */
 	    (devpriv->ai_add_front + devpriv->ai_n_chan +
 	     devpriv->ai_add_back) * (devpriv->ai_n_scanlen /
 				      devpriv->ai_n_chan);
@@ -1443,7 +1637,7 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		devpriv->ai_n_chan, devpriv->ai_add_back,
 		devpriv->ai_n_scanlen);
 
-	/*  check and setup channel list */
+	/* check and setup channel list */
 	if (!check_channel_list(dev, s, devpriv->ai_n_chan,
 				devpriv->ai_chanlist, devpriv->ai_add_front,
 				devpriv->ai_add_back))
@@ -1454,9 +1648,16 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 				devpriv->useeoshandle))
 		return -EINVAL;
 
-	/*  compute timers settings */
-	/*  simplest way, fr=4Mhz/(tim1*tim2), channel manipulation without timers effect */
-	if (((cmd->scan_begin_src == TRIG_FOLLOW) || (cmd->scan_begin_src == TRIG_EXT) || (cmd->scan_begin_src == TRIG_INT)) && (cmd->convert_src == TRIG_TIMER)) {	/*  both timer is used for one time */
+	/* compute timers settings */
+	/*
+	 * simplest way, fr=4Mhz/(tim1*tim2),
+	 * channel manipulation without timers effect
+	 */
+	if (((cmd->scan_begin_src == TRIG_FOLLOW) ||
+		(cmd->scan_begin_src == TRIG_EXT) ||
+		(cmd->scan_begin_src == TRIG_INT)) &&
+		(cmd->convert_src == TRIG_TIMER)) {
+					/* both timer is used for one time */
 		if (cmd->scan_begin_src == TRIG_EXT) {
 			devpriv->ai_do = 4;
 		} else {
@@ -1472,10 +1673,14 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		devpriv->ai_timer2 = cmd->convert_arg;
 	}
 
-	if ((cmd->scan_begin_src == TRIG_TIMER) && ((cmd->convert_src == TRIG_TIMER) || (cmd->convert_src == TRIG_NOW))) {	/*  double timed action */
+	if ((cmd->scan_begin_src == TRIG_TIMER) &&
+		((cmd->convert_src == TRIG_TIMER) ||
+		(cmd->convert_src == TRIG_NOW))) {
+						/* double timed action */
 		if (!devpriv->usedma) {
 			comedi_error(dev,
-				     "cmd->scan_begin_src=TRIG_TIMER works only with bus mastering!");
+				     "cmd->scan_begin_src=TRIG_TIMER works "
+						"only with bus mastering!");
 			return -EIO;
 		}
 
@@ -1496,15 +1701,27 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		devpriv->ai_do = 3;
 	}
 
-	start_pacer(dev, -1, 0, 0);	/*  stop pacer */
+	start_pacer(dev, -1, 0, 0);	/* stop pacer */
 
-	devpriv->AdControlReg = 0;	/*  bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable DMA */
+	devpriv->AdControlReg = 0;	/*
+					 * bipolar, S.E., use 8254, stop 8354,
+					 * internal trigger, soft trigger,
+					 * disable DMA
+					 */
 	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
-	devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;	/*  positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
+	devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
+					/*
+					 * positive triggers, no S&H, no burst,
+					 * burst stop, no post trigger,
+					 * no about trigger, trigger stop
+					 */
 	outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
 	udelay(1);
-	outl(0, dev->iobase + PCI9118_DELFIFO);	/*  flush FIFO */
-	inl(dev->iobase + PCI9118_ADSTAT);	/*  flush A/D and INT status register */
+	outl(0, dev->iobase + PCI9118_DELFIFO);	/* flush FIFO */
+	inl(dev->iobase + PCI9118_ADSTAT);	/*
+						 * flush A/D and INT
+						 * status register
+						 */
 	inl(dev->iobase + PCI9118_INTSRC);
 
 	devpriv->ai_act_scan = 0;
@@ -1537,33 +1754,37 @@ static int check_channel_list(struct comedi_device *dev,
 	}
 	if ((frontadd + n_chan + backadd) > s->len_chanlist) {
 		printk
-		    ("comedi%d: range/channel list is too long for actual configuration (%d>%d)!",
+		    ("comedi%d: range/channel list is too long for "
+						"actual configuration (%d>%d)!",
 		     dev->minor, n_chan, s->len_chanlist - frontadd - backadd);
 		return 0;
 	}
 
 	if (CR_AREF(chanlist[0]) == AREF_DIFF)
-		differencial = 1;	/*  all input must be diff */
+		differencial = 1;	/* all input must be diff */
 	if (CR_RANGE(chanlist[0]) < PCI9118_BIPOLAR_RANGES)
-		bipolar = 1;	/*  all input must be bipolar */
+		bipolar = 1;	/* all input must be bipolar */
 	if (n_chan > 1)
-		for (i = 1; i < n_chan; i++) {	/*  check S.E/diff */
+		for (i = 1; i < n_chan; i++) {	/* check S.E/diff */
 			if ((CR_AREF(chanlist[i]) == AREF_DIFF) !=
 			    (differencial)) {
 				comedi_error(dev,
-					     "Differencial and single ended inputs cann't be mixtured!");
+					     "Differencial and single ended "
+						"inputs can't be mixtured!");
 				return 0;
 			}
 			if ((CR_RANGE(chanlist[i]) < PCI9118_BIPOLAR_RANGES) !=
 			    (bipolar)) {
 				comedi_error(dev,
-					     "Bipolar and unipolar ranges cann't be mixtured!");
+					     "Bipolar and unipolar ranges "
+							"can't be mixtured!");
 				return 0;
 			}
 			if ((!devpriv->usemux) & (differencial) &
 			    (CR_CHAN(chanlist[i]) >= this_board->n_aichand)) {
 				comedi_error(dev,
-					     "If AREF_DIFF is used then is available only first 8 channels!");
+					     "If AREF_DIFF is used then is "
+					"available only first 8 channels!");
 				return 0;
 			}
 		}
@@ -1583,7 +1804,8 @@ static int setup_channel_list(struct comedi_device *dev,
 	unsigned int scanquad, gain, ssh = 0x00;
 
 	DPRINTK
-	    ("adl_pci9118 EDBG: BGN: setup_channel_list(%d,.,%d,.,%d,%d,%d,%d)\n",
+	    ("adl_pci9118 EDBG: BGN: setup_channel_list"
+						"(%d,.,%d,.,%d,%d,%d,%d)\n",
 	     dev->minor, n_chan, rot, frontadd, backadd, usedma);
 
 	if (usedma == 1) {
@@ -1592,27 +1814,33 @@ static int setup_channel_list(struct comedi_device *dev,
 	}
 
 	if (CR_AREF(chanlist[0]) == AREF_DIFF)
-		differencial = 1;	/*  all input must be diff */
+		differencial = 1;	/* all input must be diff */
 	if (CR_RANGE(chanlist[0]) < PCI9118_BIPOLAR_RANGES)
-		bipolar = 1;	/*  all input must be bipolar */
+		bipolar = 1;	/* all input must be bipolar */
 
-	/*  All is ok, so we can setup channel/range list */
+	/* All is ok, so we can setup channel/range list */
 
 	if (!bipolar) {
-		devpriv->AdControlReg |= AdControl_UniP;	/*  set unibipolar */
+		devpriv->AdControlReg |= AdControl_UniP;
+							/* set unibipolar */
 	} else {
-		devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff);	/*  enable bipolar */
+		devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff);
+							/* enable bipolar */
 	}
 
 	if (differencial) {
-		devpriv->AdControlReg |= AdControl_Diff;	/*  enable diff inputs */
+		devpriv->AdControlReg |= AdControl_Diff;
+							/* enable diff inputs */
 	} else {
-		devpriv->AdControlReg &= ((~AdControl_Diff) & 0xff);	/*  set single ended inputs */
+		devpriv->AdControlReg &= ((~AdControl_Diff) & 0xff);
+						/* set single ended inputs */
 	}
 
-	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);	/*  setup mode */
+	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
+								/* setup mode */
 
-	outl(2, dev->iobase + PCI9118_SCANMOD);	/*  gods know why this sequence! */
+	outl(2, dev->iobase + PCI9118_SCANMOD);
+					/* gods know why this sequence! */
 	outl(0, dev->iobase + PCI9118_SCANMOD);
 	outl(1, dev->iobase + PCI9118_SCANMOD);
 
@@ -1622,12 +1850,15 @@ static int setup_channel_list(struct comedi_device *dev,
 		devpriv->chanlist[i] = 0x55aa;
 #endif
 
-	if (frontadd) {		/*  insert channels for S&H */
+	if (frontadd) {		/* insert channels for S&H */
 		ssh = devpriv->softsshsample;
 		DPRINTK("FA: %04x: ", ssh);
-		for (i = 0; i < frontadd; i++) {	/*  store range list to card */
-			scanquad = CR_CHAN(chanlist[0]);	/*  get channel number; */
-			gain = CR_RANGE(chanlist[0]);	/*  get gain number */
+		for (i = 0; i < frontadd; i++) {
+						/* store range list to card */
+			scanquad = CR_CHAN(chanlist[0]);
+						/* get channel number; */
+			gain = CR_RANGE(chanlist[0]);
+						/* get gain number */
 			scanquad |= ((gain & 0x03) << 8);
 			outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
 			DPRINTK("%02x ", scanquad | ssh);
@@ -1637,23 +1868,24 @@ static int setup_channel_list(struct comedi_device *dev,
 	}
 
 	DPRINTK("SL: ", ssh);
-	for (i = 0; i < n_chan; i++) {	/*  store range list to card */
-		scanquad = CR_CHAN(chanlist[i]);	/*  get channel number; */
+	for (i = 0; i < n_chan; i++) {	/* store range list to card */
+		scanquad = CR_CHAN(chanlist[i]);	/* get channel number */
 #ifdef PCI9118_PARANOIDCHECK
 		devpriv->chanlist[i ^ usedma] = (scanquad & 0xf) << rot;
 #endif
-		gain = CR_RANGE(chanlist[i]);	/*  get gain number */
+		gain = CR_RANGE(chanlist[i]);		/* get gain number */
 		scanquad |= ((gain & 0x03) << 8);
 		outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
 		DPRINTK("%02x ", scanquad | ssh);
 	}
 	DPRINTK("\n ");
 
-	if (backadd) {		/*  insert channels for fit onto 32bit DMA */
+	if (backadd) {		/* insert channels for fit onto 32bit DMA */
 		DPRINTK("BA: %04x: ", ssh);
-		for (i = 0; i < backadd; i++) {	/*  store range list to card */
-			scanquad = CR_CHAN(chanlist[0]);	/*  get channel number; */
-			gain = CR_RANGE(chanlist[0]);	/*  get gain number */
+		for (i = 0; i < backadd; i++) {	/* store range list to card */
+			scanquad = CR_CHAN(chanlist[0]);
+							/* get channel number */
+			gain = CR_RANGE(chanlist[0]);	/* get gain number */
 			scanquad |= ((gain & 0x03) << 8);
 			outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
 			DPRINTK("%02x ", scanquad | ssh);
@@ -1661,13 +1893,16 @@ static int setup_channel_list(struct comedi_device *dev,
 		DPRINTK("\n ");
 	}
 #ifdef PCI9118_PARANOIDCHECK
-	devpriv->chanlist[n_chan ^ usedma] = devpriv->chanlist[0 ^ usedma];	/*  for 32bit oerations */
+	devpriv->chanlist[n_chan ^ usedma] = devpriv->chanlist[0 ^ usedma];
+						/* for 32bit operations */
 	if (useeos) {
-		for (i = 1; i < n_chan; i++) {	/*  store range list to card */
+		for (i = 1; i < n_chan; i++) {	/* store range list to card */
 			devpriv->chanlist[(n_chan + i) ^ usedma] =
 			    (CR_CHAN(chanlist[i]) & 0xf) << rot;
 		}
-		devpriv->chanlist[(2 * n_chan) ^ usedma] = devpriv->chanlist[0 ^ usedma];	/*  for 32bit oerations */
+		devpriv->chanlist[(2 * n_chan) ^ usedma] =
+						devpriv->chanlist[0 ^ usedma];
+						/* for 32bit operations */
 		useeos = 2;
 	} else {
 		useeos = 1;
@@ -1680,11 +1915,11 @@ static int setup_channel_list(struct comedi_device *dev,
 	DPRINTK("\n ");
 #endif
 #endif
-	outl(0, dev->iobase + PCI9118_SCANMOD);	/*  close scan queue */
-/* udelay(100);                               important delay, or first sample will be cripled */
+	outl(0, dev->iobase + PCI9118_SCANMOD);	/* close scan queue */
+	/* udelay(100); important delay, or first sample will be crippled */
 
 	DPRINTK("adl_pci9118 EDBG: END: setup_channel_list()\n");
-	return 1;		/*  we can serve this with scan logic */
+	return 1;		/* we can serve this with scan logic */
 }
 
 /*
@@ -1699,7 +1934,8 @@ static void pci9118_calc_divisors(char mode, struct comedi_device *dev,
 				  char usessh, unsigned int chnsshfront)
 {
 	DPRINTK
-	    ("adl_pci9118 EDBG: BGN: pci9118_calc_divisors(%d,%d,.,%u,%u,%u,%d,.,.,,%u,%u)\n",
+	    ("adl_pci9118 EDBG: BGN: pci9118_calc_divisors"
+					"(%d,%d,.,%u,%u,%u,%d,.,.,,%u,%u)\n",
 	     mode, dev->minor, *tim1, *tim2, flags, chans, usessh, chnsshfront);
 	switch (mode) {
 	case 1:
@@ -1716,17 +1952,18 @@ static void pci9118_calc_divisors(char mode, struct comedi_device *dev,
 			*tim2 = this_board->ai_ns_min;
 		DPRINTK("1 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
 			*tim1, *tim2);
-		*div1 = *tim2 / devpriv->i8254_osc_base;	/*  convert timer (burst) */
+		*div1 = *tim2 / devpriv->i8254_osc_base;
+						/* convert timer (burst) */
 		DPRINTK("2 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
 			*tim1, *tim2);
 		if (*div1 < this_board->ai_pacer_min)
 			*div1 = this_board->ai_pacer_min;
 		DPRINTK("3 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
 			*tim1, *tim2);
-		*div2 = *tim1 / devpriv->i8254_osc_base;	/*  scan timer */
+		*div2 = *tim1 / devpriv->i8254_osc_base;	/* scan timer */
 		DPRINTK("4 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
 			*tim1, *tim2);
-		*div2 = *div2 / *div1;	/*  major timer is c1*c2 */
+		*div2 = *div2 / *div1;		/* major timer is c1*c2 */
 		DPRINTK("5 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
 			*tim1, *tim2);
 		if (*div2 < chans)
@@ -1734,9 +1971,10 @@ static void pci9118_calc_divisors(char mode, struct comedi_device *dev,
 		DPRINTK("6 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
 			*tim1, *tim2);
 
-		*tim2 = *div1 * devpriv->i8254_osc_base;	/*  real convert timer */
+		*tim2 = *div1 * devpriv->i8254_osc_base;
+							/* real convert timer */
 
-		if (usessh & (chnsshfront == 0))	/*  use BSSH signal */
+		if (usessh & (chnsshfront == 0))	/* use BSSH signal */
 			if (*div2 < (chans + 2))
 				*div2 = chans + 2;
 
@@ -1776,11 +2014,13 @@ static void start_pacer(struct comedi_device *dev, int mode,
 static int pci9118_exttrg_add(struct comedi_device *dev, unsigned char source)
 {
 	if (source > 3)
-		return -1;	/*  incorrect source */
+		return -1;				/* incorrect source */
 	devpriv->exttrg_users |= (1 << source);
 	devpriv->IntControlReg |= Int_DTrg;
 	outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
-	outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR);	/*  allow INT in AMCC */
+	outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00,
+					devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+							/* allow INT in AMCC */
 	return 0;
 }
 
@@ -1790,12 +2030,15 @@ static int pci9118_exttrg_add(struct comedi_device *dev, unsigned char source)
 static int pci9118_exttrg_del(struct comedi_device *dev, unsigned char source)
 {
 	if (source > 3)
-		return -1;	/*  incorrect source */
+		return -1;			/* incorrect source */
 	devpriv->exttrg_users &= ~(1 << source);
-	if (!devpriv->exttrg_users) {	/*  shutdown ext trg intterrupts */
+	if (!devpriv->exttrg_users) {	/* shutdown ext trg intterrupts */
 		devpriv->IntControlReg &= ~Int_DTrg;
-		if (!devpriv->IntControlReg)	/*  all IRQ disabled */
-			outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) & (~0x00001f00), devpriv->iobase_a + AMCC_OP_REG_INTCSR);	/*  disable int in AMCC */
+		if (!devpriv->IntControlReg)	/* all IRQ disabled */
+			outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) &
+					(~0x00001f00),
+					devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+						/* disable int in AMCC */
 		outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
 	}
 	return 0;
@@ -1808,17 +2051,29 @@ static int pci9118_ai_cancel(struct comedi_device *dev,
 			     struct comedi_subdevice *s)
 {
 	if (devpriv->usedma)
-		outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS), devpriv->iobase_a + AMCC_OP_REG_MCSR);	/*  stop DMA */
+		outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) &
+			(~EN_A2P_TRANSFERS),
+			devpriv->iobase_a + AMCC_OP_REG_MCSR);	/* stop DMA */
 	pci9118_exttrg_del(dev, EXTTRG_AI);
-	start_pacer(dev, 0, 0, 0);	/*  stop 8254 counters */
+	start_pacer(dev, 0, 0, 0);	/* stop 8254 counters */
 	devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
-	outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);	/*  positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
+	outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
+					/*
+					 * positive triggers, no S&H, no burst,
+					 * burst stop, no post trigger,
+					 * no about trigger, trigger stop
+					 */
 	devpriv->AdControlReg = 0x00;
-	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);	/*  bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
+	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
+					/*
+					 * bipolar, S.E., use 8254, stop 8354,
+					 * internal trigger, soft trigger,
+					 * disable INT and DMA
+					 */
 	outl(0, dev->iobase + PCI9118_BURST);
 	outl(1, dev->iobase + PCI9118_SCANMOD);
-	outl(2, dev->iobase + PCI9118_SCANMOD);	/*  reset scan queue */
-	outl(0, dev->iobase + PCI9118_DELFIFO);	/*  flush FIFO */
+	outl(2, dev->iobase + PCI9118_SCANMOD);	/* reset scan queue */
+	outl(0, dev->iobase + PCI9118_DELFIFO);	/* flush FIFO */
 
 	devpriv->ai_do = 0;
 	devpriv->usedma = 0;
@@ -1832,7 +2087,9 @@ static int pci9118_ai_cancel(struct comedi_device *dev,
 	devpriv->dma_actbuf = 0;
 
 	if (!devpriv->IntControlReg)
-		outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR);	/*  allow INT in AMCC */
+		outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00,
+					devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+							/* allow INT in AMCC */
 
 	return 0;
 }
@@ -1845,31 +2102,52 @@ static int pci9118_reset(struct comedi_device *dev)
 	devpriv->IntControlReg = 0;
 	devpriv->exttrg_users = 0;
 	inl(dev->iobase + PCI9118_INTCTRL);
-	outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);	/*  disable interrupts source */
+	outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
+						/* disable interrupts source */
 	outl(0x30, dev->iobase + PCI9118_CNTCTRL);
 /* outl(0xb4, dev->iobase + PCI9118_CNTCTRL); */
-	start_pacer(dev, 0, 0, 0);	/*  stop 8254 counters */
+	start_pacer(dev, 0, 0, 0);		/* stop 8254 counters */
 	devpriv->AdControlReg = 0;
-	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);	/*  bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
+	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
+						/*
+						 * bipolar, S.E., use 8254,
+						 * stop 8354, internal trigger,
+						 * soft trigger,
+						 * disable INT and DMA
+						 */
 	outl(0, dev->iobase + PCI9118_BURST);
 	outl(1, dev->iobase + PCI9118_SCANMOD);
-	outl(2, dev->iobase + PCI9118_SCANMOD);	/*  reset scan queue */
+	outl(2, dev->iobase + PCI9118_SCANMOD);	/* reset scan queue */
 	devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
-	outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);	/*  positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
+	outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
+						/*
+						 * positive triggers, no S&H,
+						 * no burst, burst stop,
+						 * no post trigger,
+						 * no about trigger,
+						 * trigger stop
+						 */
 
 	devpriv->ao_data[0] = 2047;
 	devpriv->ao_data[1] = 2047;
-	outl(devpriv->ao_data[0], dev->iobase + PCI9118_DA1);	/*  reset A/D outs to 0V */
+	outl(devpriv->ao_data[0], dev->iobase + PCI9118_DA1);
+						/* reset A/D outs to 0V */
 	outl(devpriv->ao_data[1], dev->iobase + PCI9118_DA2);
-	outl(0, dev->iobase + PCI9118_DO);	/*  reset digi outs to L */
+	outl(0, dev->iobase + PCI9118_DO);	/* reset digi outs to L */
 	udelay(10);
 	inl(dev->iobase + PCI9118_AD_DATA);
-	outl(0, dev->iobase + PCI9118_DELFIFO);	/*  flush FIFO */
-	outl(0, dev->iobase + PCI9118_INTSRC);	/*  remove INT requests */
-	inl(dev->iobase + PCI9118_ADSTAT);	/*  flush A/D status register */
-	inl(dev->iobase + PCI9118_INTSRC);	/*  flush INT requests */
+	outl(0, dev->iobase + PCI9118_DELFIFO);	/* flush FIFO */
+	outl(0, dev->iobase + PCI9118_INTSRC);	/* remove INT requests */
+	inl(dev->iobase + PCI9118_ADSTAT);	/* flush A/D status register */
+	inl(dev->iobase + PCI9118_INTSRC);	/* flush INT requests */
 	devpriv->AdControlReg = 0;
-	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);	/*  bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
+	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
+						/*
+						 * bipolar, S.E., use 8254,
+						 * stop 8354, internal trigger,
+						 * soft trigger,
+						 * disable INT and DMA
+						 */
 
 	devpriv->cnt0_users = 0;
 	devpriv->exttrg_users = 0;
@@ -1899,7 +2177,7 @@ static int pci9118_attach(struct comedi_device *dev,
 	opt_bus = it->options[0];
 	opt_slot = it->options[1];
 	if (it->options[3] & 1) {
-		master = 0;	/*  user don't want use bus master */
+		master = 0;	/* user don't want use bus master */
 	} else {
 		master = 1;
 	}
@@ -1968,7 +2246,7 @@ static int pci9118_attach(struct comedi_device *dev,
 	pci9118_reset(dev);
 
 	if (it->options[3] & 2)
-		irq = 0;	/*  user don't want use IRQ */
+		irq = 0;	/* user don't want use IRQ */
 	if (irq > 0) {
 		if (request_irq(irq, interrupt_pci9118, IRQF_SHARED,
 				"ADLink PCI-9118", dev)) {
@@ -1984,7 +2262,7 @@ static int pci9118_attach(struct comedi_device *dev,
 
 	dev->irq = irq;
 
-	if (master) {		/*  alloc DMA buffers */
+	if (master) {		/* alloc DMA buffers */
 		devpriv->dma_doublebuf = 0;
 		for (i = 0; i < 2; i++) {
 			for (pages = 4; pages >= 0; pages--) {
@@ -2024,16 +2302,18 @@ static int pci9118_attach(struct comedi_device *dev,
 	if (it->options[2] > 0) {
 		devpriv->usemux = it->options[2];
 		if (devpriv->usemux > 256)
-			devpriv->usemux = 256;	/*  max 256 channels! */
+			devpriv->usemux = 256;	/* max 256 channels! */
 		if (it->options[4] > 0)
 			if (devpriv->usemux > 128) {
-				devpriv->usemux = 128;	/*  max 128 channels with softare S&H! */
+				devpriv->usemux = 128;
+					/* max 128 channels with softare S&H! */
 			}
 		printk(", ext. mux %d channels", devpriv->usemux);
 	}
 
 	devpriv->softsshdelay = it->options[4];
-	if (devpriv->softsshdelay < 0) {	/*  select sample&hold signal polarity */
+	if (devpriv->softsshdelay < 0) {
+					/* select sample&hold signal polarity */
 		devpriv->softsshdelay = -devpriv->softsshdelay;
 		devpriv->softsshsample = 0x80;
 		devpriv->softsshhold = 0x00;
@@ -2045,7 +2325,8 @@ static int pci9118_attach(struct comedi_device *dev,
 	printk(".\n");
 
 	pci_read_config_word(devpriv->pcidev, PCI_COMMAND, &u16w);
-	pci_write_config_word(devpriv->pcidev, PCI_COMMAND, u16w | 64);	/*  Enable parity check for parity error */
+	pci_write_config_word(devpriv->pcidev, PCI_COMMAND, u16w | 64);
+				/* Enable parity check for parity error */
 
 	ret = alloc_subdevices(dev, 4);
 	if (ret < 0)
@@ -2103,9 +2384,10 @@ static int pci9118_attach(struct comedi_device *dev,
 	s->insn_bits = pci9118_insn_bits_do;
 
 	devpriv->valid = 1;
-	devpriv->i8254_osc_base = 250;	/*  250ns=4MHz */
-	devpriv->ai_maskharderr = 0x10a;	/*  default measure crash condition */
-	if (it->options[5])	/*  disable some requested */
+	devpriv->i8254_osc_base = 250;	/* 250ns=4MHz */
+	devpriv->ai_maskharderr = 0x10a;
+					/* default measure crash condition */
+	if (it->options[5])		/* disable some requested */
 		devpriv->ai_maskharderr &= ~it->options[5];
 
 	switch (this_board->ai_maxdata) {

From cf8d3af5aed0d7bc40e8966b45aeced7c7bf1bef Mon Sep 17 00:00:00 2001
From: Maurice Dawson <mauricedawson2699@googlemail.com>
Date: Fri, 19 Mar 2010 14:20:10 +0000
Subject: [PATCH 0822/3638] Staging: comedi: fix KERN_facility level coding
 style issue in adl_pci9118.c

This is a patch to the adl_pci9118.c file that fixes WARNING: printk() should include KERN_facility level found by the checkpatch.pl tool

Signed-off-by: Maurice Dawson <mauricedawson2699@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci9118.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index 4f9fd7dd0cf..2205113ee43 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -750,9 +750,8 @@ static void interrupt_pci9118_ai_dma(struct comedi_device *dev,
 		comedi_event(dev, s);
 		return;
 	}
-
 	if (int_adstat & devpriv->ai_maskerr)
-/* if (int_adstat & 0x106) */
+					/* if (int_adstat & 0x106) */
 		if (pci9118_decode_error_status(dev, s, int_adstat))
 			return;
 
@@ -2215,10 +2214,10 @@ static int pci9118_attach(struct comedi_device *dev,
 
 	if (!pcidev) {
 		if (opt_bus || opt_slot) {
-			printk(" - Card at b:s %d:%d %s\n",
+			printk(KERN_ERR " - Card at b:s %d:%d %s\n",
 			       opt_bus, opt_slot, errstr);
 		} else {
-			printk(" - Card %s\n", errstr);
+			printk(KERN_ERR " - Card %s\n", errstr);
 		}
 		return -EIO;
 	}
@@ -2234,8 +2233,8 @@ static int pci9118_attach(struct comedi_device *dev,
 	iobase_a = pci_resource_start(pcidev, 0);
 	iobase_9 = pci_resource_start(pcidev, 2);
 
-	printk(", b:s:f=%d:%d:%d, io=0x%4lx, 0x%4lx", pci_bus, pci_slot,
-	       pci_func, iobase_9, iobase_a);
+	printk(KERN_ERR ", b:s:f=%d:%d:%d, io=0x%4lx, 0x%4lx", pci_bus,
+				pci_slot, pci_func, iobase_9, iobase_a);
 
 	dev->iobase = iobase_9;
 	dev->board_name = this_board->name;

From af6ddd57f2e811561ca57a98b4c7a2bb1db6a270 Mon Sep 17 00:00:00 2001
From: Maurice Dawson <mauricedawson2699@googlemail.com>
Date: Tue, 30 Mar 2010 12:24:14 +0100
Subject: [PATCH 0823/3638] Staging: comedi: fix brace, print(k) and over 80
 character coding style issues in adv_pci1723.c

This is a Patch to the adv_pci1723.c file that fixes up brace, print(k) and over 80 character warnings found by the checkpatch.pl tool

Signed-off-by: Maurice Dawson <mauricedawson2699@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adv_pci1723.c | 141 +++++++++++--------
 1 file changed, 83 insertions(+), 58 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adv_pci1723.c b/drivers/staging/comedi/drivers/adv_pci1723.c
index 6b0b7eda3be..1644490ed0a 100644
--- a/drivers/staging/comedi/drivers/adv_pci1723.c
+++ b/drivers/staging/comedi/drivers/adv_pci1723.c
@@ -60,35 +60,57 @@ TODO:
 #define IORANGE_1723  0x2A
 
 /* all the registers for the pci1723 board */
-#define PCI1723_DA(N)   ((N)<<1)	/* W:   D/A register N (0 to 7) */
+#define PCI1723_DA(N)   ((N)<<1)	/* W: D/A register N (0 to 7) */
 
-#define PCI1723_SYN_SET  0x12	/*synchronized set register       */
-#define PCI1723_ALL_CHNNELE_SYN_STROBE  0x12	/*synchronized status register    */
+#define PCI1723_SYN_SET  0x12		/* synchronized set register */
+#define PCI1723_ALL_CHNNELE_SYN_STROBE  0x12
+					/* synchronized status register */
 
-#define PCI1723_RANGE_CALIBRATION_MODE 0x14	/* range and calibration mode   */
-#define PCI1723_RANGE_CALIBRATION_STATUS 0x14	/* range and calibration status */
+#define PCI1723_RANGE_CALIBRATION_MODE 0x14
+					/* range and calibration mode */
+#define PCI1723_RANGE_CALIBRATION_STATUS 0x14
+					/* range and calibration status */
 
-#define PCI1723_CONTROL_CMD_CALIBRATION_FUN 0x16	/* SADC control command for calibration function */
-#define PCI1723_STATUS_CMD_CALIBRATION_FUN 0x16	/* SADC control status for calibration function */
+#define PCI1723_CONTROL_CMD_CALIBRATION_FUN 0x16
+						/*
+						 * SADC control command for
+						 * calibration function
+						 */
+#define PCI1723_STATUS_CMD_CALIBRATION_FUN 0x16
+						/*
+						 * SADC control status for
+						 * calibration function
+						 */
 
-#define PCI1723_CALIBRATION_PARA_STROBE 0x18	/* Calibration parameter strobe */
+#define PCI1723_CALIBRATION_PARA_STROBE 0x18
+					/* Calibration parameter strobe */
 
 #define PCI1723_DIGITAL_IO_PORT_SET 0x1A	/* Digital I/O port setting */
 #define PCI1723_DIGITAL_IO_PORT_MODE 0x1A	/* Digital I/O port mode */
 
-#define PCI1723_WRITE_DIGITAL_OUTPUT_CMD 0x1C	/* Write digital output command */
+#define PCI1723_WRITE_DIGITAL_OUTPUT_CMD 0x1C
+					/* Write digital output command */
 #define PCI1723_READ_DIGITAL_INPUT_DATA 0x1C	/* Read digital input data */
 
-#define PCI1723_WRITE_CAL_CMD 0x1E	/* Write calibration command */
-#define PCI1723_READ_CAL_STATUS 0x1E	/* Read calibration status */
+#define PCI1723_WRITE_CAL_CMD 0x1E		/* Write calibration command */
+#define PCI1723_READ_CAL_STATUS 0x1E		/* Read calibration status */
 
-#define PCI1723_SYN_STROBE 0x20	/* Synchronized strobe */
+#define PCI1723_SYN_STROBE 0x20			/* Synchronized strobe */
 
-#define PCI1723_RESET_ALL_CHN_STROBE 0x22	/* Reset all D/A channels strobe */
+#define PCI1723_RESET_ALL_CHN_STROBE 0x22
+					/* Reset all D/A channels strobe */
 
-#define PCI1723_RESET_CAL_CONTROL_STROBE 0x24	/* Reset the calibration controller strobe */
+#define PCI1723_RESET_CAL_CONTROL_STROBE 0x24
+						/*
+						 * Reset the calibration
+						 * controller strobe
+						 */
 
-#define PCI1723_CHANGE_CHA_OUTPUT_TYPE_STROBE 0x26	/* Change D/A channels output type strobe */
+#define PCI1723_CHANGE_CHA_OUTPUT_TYPE_STROBE 0x26
+						/*
+						 * Change D/A channels output
+						 * type strobe
+						 */
 
 #define PCI1723_SELECT_CALIBRATION 0x28	/* Select the calibration Ref_V */
 
@@ -104,14 +126,14 @@ static const struct comedi_lrange range_pci1723 = { 1, {
  */
 struct pci1723_board {
 	const char *name;
-	int vendor_id;		/*  PCI vendor a device ID of card */
+	int vendor_id;		/* PCI vendor a device ID of card */
 	int device_id;
 	int iorange;
 	char cardtype;
-	int n_aochan;		/*  num of D/A chans */
-	int n_diochan;		/*  num of DIO chans */
-	int ao_maxdata;		/*  resolution of D/A */
-	const struct comedi_lrange *rangelist_ao;	/*  rangelist for D/A */
+	int n_aochan;		/* num of D/A chans */
+	int n_diochan;		/* num of DIO chans */
+	int ao_maxdata;		/* resolution of D/A */
+	const struct comedi_lrange *rangelist_ao;	/* rangelist for D/A */
 };
 
 static const struct pci1723_board boardtypes[] = {
@@ -128,8 +150,10 @@ static const struct pci1723_board boardtypes[] = {
 	 },
 };
 
-/* This is used by modprobe to translate PCI IDs to drivers.  Should
- * only be used for PCI and ISA-PnP devices */
+/*
+ * This is used by modprobe to translate PCI IDs to drivers.
+ * Should only be used for PCI and ISA-PnP devices
+ */
 static DEFINE_PCI_DEVICE_TABLE(pci1723_pci_table) = {
 	{
 	PCI_VENDOR_ID_ADVANTECH, 0x1723, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
@@ -157,47 +181,47 @@ static struct comedi_driver driver_pci1723 = {
 	.detach = pci1723_detach,
 };
 
-/* this structure is for data unique to this hardware driver. */
+/* This structure is for data unique to this hardware driver. */
 struct pci1723_private {
 	int valid;		/* card is usable; */
 
 	struct pci_dev *pcidev;
-	unsigned char da_range[8];	/*  D/A output range for each channel */
+	unsigned char da_range[8];	/* D/A output range for each channel */
 
-	short ao_data[8];	/*  data output buffer */
+	short ao_data[8];	/* data output buffer */
 };
 
-/*the following macro to make it easy to
-* access the private structure.
-*/
+/* The following macro to make it easy to access the private structure. */
 #define devpriv ((struct pci1723_private *)dev->private)
 
 #define this_board boardtypes
 
 /*
- *   the pci1723 card reset;
+ * The pci1723 card reset;
  */
 static int pci1723_reset(struct comedi_device *dev)
 {
 	int i;
 	DPRINTK("adv_pci1723 EDBG: BGN: pci1723_reset(...)\n");
 
-	outw(0x01, dev->iobase + PCI1723_SYN_SET);	/*  set synchronous output mode */
+	outw(0x01, dev->iobase + PCI1723_SYN_SET);
+					       /* set synchronous output mode */
 
 	for (i = 0; i < 8; i++) {
-		/*  set all outputs to 0V */
+		/* set all outputs to 0V */
 		devpriv->ao_data[i] = 0x8000;
 		outw(devpriv->ao_data[i], dev->iobase + PCI1723_DA(i));
-		/*  set all ranges to +/- 10V */
+		/* set all ranges to +/- 10V */
 		devpriv->da_range[i] = 0;
 		outw(((devpriv->da_range[i] << 4) | i),
 		     PCI1723_RANGE_CALIBRATION_MODE);
 	}
 
-	outw(0, dev->iobase + PCI1723_CHANGE_CHA_OUTPUT_TYPE_STROBE);	/*  update ranges */
-	outw(0, dev->iobase + PCI1723_SYN_STROBE);	/*  update outputs */
+	outw(0, dev->iobase + PCI1723_CHANGE_CHA_OUTPUT_TYPE_STROBE);
+							    /* update ranges */
+	outw(0, dev->iobase + PCI1723_SYN_STROBE);	    /* update outputs */
 
-	/*  set asynchronous output mode */
+	/* set asynchronous output mode */
 	outw(0, dev->iobase + PCI1723_SYN_SET);
 
 	DPRINTK("adv_pci1723 EDBG: END: pci1723_reset(...)\n");
@@ -251,11 +275,11 @@ static int pci1723_dio_insn_config(struct comedi_device *dev,
 	unsigned short dio_mode;
 
 	mask = 1 << CR_CHAN(insn->chanspec);
-	if (mask & 0x00FF) {
+	if (mask & 0x00FF)
 		bits = 0x00FF;
-	} else {
+	else
 		bits = 0xFF00;
-	}
+
 	switch (data[0]) {
 	case INSN_CONFIG_DIO_INPUT:
 		s->io_bits &= ~bits;
@@ -270,12 +294,12 @@ static int pci1723_dio_insn_config(struct comedi_device *dev,
 		return -EINVAL;
 	}
 
-	/*  update hardware DIO mode */
-	dio_mode = 0x0000;	/*  low byte output, high byte output */
+	/* update hardware DIO mode */
+	dio_mode = 0x0000;	/* low byte output, high byte output */
 	if ((s->io_bits & 0x00FF) == 0)
-		dio_mode |= 0x0001;	/*  low byte input */
+		dio_mode |= 0x0001;	/* low byte input */
 	if ((s->io_bits & 0xFF00) == 0)
-		dio_mode |= 0x0002;	/*  high byte input */
+		dio_mode |= 0x0002;	/* high byte input */
 	outw(dio_mode, dev->iobase + PCI1723_DIGITAL_IO_PORT_SET);
 	return 1;
 }
@@ -311,7 +335,8 @@ static int pci1723_attach(struct comedi_device *dev,
 	int opt_bus, opt_slot;
 	const char *errstr;
 
-	printk("comedi%d: adv_pci1723: board=%s", dev->minor, this_board->name);
+	printk(KERN_ERR "comedi%d: adv_pci1723: board=%s",
+						dev->minor, this_board->name);
 
 	opt_bus = it->options[0];
 	opt_slot = it->options[1];
@@ -349,10 +374,10 @@ static int pci1723_attach(struct comedi_device *dev,
 
 	if (!pcidev) {
 		if (opt_bus || opt_slot) {
-			printk(" - Card at b:s %d:%d %s\n",
-			       opt_bus, opt_slot, errstr);
+			printk(KERN_ERR " - Card at b:s %d:%d %s\n",
+						     opt_bus, opt_slot, errstr);
 		} else {
-			printk(" - Card %s\n", errstr);
+			printk(KERN_ERR " - Card %s\n", errstr);
 		}
 		return -EIO;
 	}
@@ -362,8 +387,8 @@ static int pci1723_attach(struct comedi_device *dev,
 	pci_func = PCI_FUNC(pcidev->devfn);
 	iobase = pci_resource_start(pcidev, 2);
 
-	printk(", b:s:f=%d:%d:%d, io=0x%4x", pci_bus, pci_slot, pci_func,
-	       iobase);
+	printk(KERN_ERR ", b:s:f=%d:%d:%d, io=0x%4x",
+					   pci_bus, pci_slot, pci_func, iobase);
 
 	dev->iobase = iobase;
 
@@ -398,22 +423,23 @@ static int pci1723_attach(struct comedi_device *dev,
 		s->insn_write = pci1723_ao_write_winsn;
 		s->insn_read = pci1723_insn_read_ao;
 
-		/*  read DIO config */
-		switch (inw(dev->iobase + PCI1723_DIGITAL_IO_PORT_MODE) & 0x03) {
-		case 0x00:	/*  low byte output, high byte output */
+		/* read DIO config */
+		switch (inw(dev->iobase + PCI1723_DIGITAL_IO_PORT_MODE)
+								       & 0x03) {
+		case 0x00:	/* low byte output, high byte output */
 			s->io_bits = 0xFFFF;
 			break;
-		case 0x01:	/*  low byte input, high byte output */
+		case 0x01:	/* low byte input, high byte output */
 			s->io_bits = 0xFF00;
 			break;
-		case 0x02:	/*  low byte output, high byte input */
+		case 0x02:	/* low byte output, high byte input */
 			s->io_bits = 0x00FF;
 			break;
-		case 0x03:	/*  low byte input, high byte input */
+		case 0x03:	/* low byte input, high byte input */
 			s->io_bits = 0x0000;
 			break;
 		}
-		/*  read DIO port state */
+		/* read DIO port state */
 		s->state = inw(dev->iobase + PCI1723_READ_DIGITAL_INPUT_DATA);
 
 		subdev++;
@@ -450,16 +476,15 @@ static int pci1723_attach(struct comedi_device *dev,
  */
 static int pci1723_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: pci1723: remove\n", dev->minor);
+	printk(KERN_ERR "comedi%d: pci1723: remove\n", dev->minor);
 
 	if (dev->private) {
 		if (devpriv->valid)
 			pci1723_reset(dev);
 
 		if (devpriv->pcidev) {
-			if (dev->iobase) {
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pcidev);
-			}
 			pci_dev_put(devpriv->pcidev);
 		}
 	}

From 24d2d8be91e83d6eb40240180da46b3dbd440dd5 Mon Sep 17 00:00:00 2001
From: Maurice Dawson <mauricedawson2699@googlemail.com>
Date: Thu, 8 Apr 2010 13:13:20 +0100
Subject: [PATCH 0824/3638] Staging: comedi: fix print(k) coding style issue in
 aio_aio12_8.c

This is a patch to the aio_aio12_8.c that fixes up print(k) warnings found by the checkpatch.pl tool

Signed-off-by: Maurice Dawson <mauricedawson2699@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/aio_aio12_8.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/aio_aio12_8.c b/drivers/staging/comedi/drivers/aio_aio12_8.c
index c4cac66db12..7a1c636df5b 100644
--- a/drivers/staging/comedi/drivers/aio_aio12_8.c
+++ b/drivers/staging/comedi/drivers/aio_aio12_8.c
@@ -110,7 +110,7 @@ static int aio_aio12_8_ai_read(struct comedi_device *dev,
 		while (timeout &&
 		       !(inb(dev->iobase + AIO12_8_STATUS) & STATUS_ADC_EOC)) {
 			timeout--;
-			printk("timeout %d\n", timeout);
+			printk(KERN_ERR "timeout %d\n", timeout);
 			udelay(1);
 		}
 		if (timeout == 0) {
@@ -172,7 +172,7 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
 
 	iobase = it->options[0];
 	if (!request_region(iobase, 24, "aio_aio12_8")) {
-		printk("I/O port conflict");
+		printk(KERN_ERR "I/O port conflict");
 		return -EIO;
 	}
 

From 6764cbd72ac5295f8dfc96a38696553cecb452a8 Mon Sep 17 00:00:00 2001
From: Vijay Kumar <vijaykumar@bravegnu.org>
Date: Sun, 7 Mar 2010 07:54:45 +0530
Subject: [PATCH 0825/3638] Staging: Remove staging/poch

Remove staging/poch.

Reasons for removal are -- The driver has serious cache
issues, that I couldn't fix. The card vendor is working
on a better replacement for the driver. The driver has
been delayed a lot and development has come to a stand
still.

Signed-off-by: Vijay Kumar B. <vijaykumar@bravegnu.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig       |    2 -
 drivers/staging/Makefile      |    1 -
 drivers/staging/poch/Kconfig  |    6 -
 drivers/staging/poch/Makefile |    1 -
 drivers/staging/poch/README   |  136 ----
 drivers/staging/poch/poch.c   | 1443 ---------------------------------
 drivers/staging/poch/poch.h   |   35 -
 7 files changed, 1624 deletions(-)
 delete mode 100644 drivers/staging/poch/Kconfig
 delete mode 100644 drivers/staging/poch/Makefile
 delete mode 100644 drivers/staging/poch/README
 delete mode 100644 drivers/staging/poch/poch.c
 delete mode 100644 drivers/staging/poch/poch.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 8db8632541f..5999259922e 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -57,8 +57,6 @@ source "drivers/staging/wlan-ng/Kconfig"
 
 source "drivers/staging/echo/Kconfig"
 
-source "drivers/staging/poch/Kconfig"
-
 source "drivers/staging/otus/Kconfig"
 
 source "drivers/staging/rt2860/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index ab61e2601ff..55ff30f8bd2 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
 obj-$(CONFIG_W35UND)		+= winbond/
 obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
 obj-$(CONFIG_ECHO)		+= echo/
-obj-$(CONFIG_POCH)		+= poch/
 obj-$(CONFIG_OTUS)		+= otus/
 obj-$(CONFIG_RT2860)		+= rt2860/
 obj-$(CONFIG_RT2870)		+= rt2870/
diff --git a/drivers/staging/poch/Kconfig b/drivers/staging/poch/Kconfig
deleted file mode 100644
index b3b33b984a5..00000000000
--- a/drivers/staging/poch/Kconfig
+++ /dev/null
@@ -1,6 +0,0 @@
-config POCH
-	tristate "Redrapids Pocket Change CardBus support"
-	depends on PCI && UIO
-	default N
-	---help---
-	  Enable support for Redrapids Pocket Change CardBus devices.
diff --git a/drivers/staging/poch/Makefile b/drivers/staging/poch/Makefile
deleted file mode 100644
index d2b96805cb9..00000000000
--- a/drivers/staging/poch/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_POCH)		+= poch.o
diff --git a/drivers/staging/poch/README b/drivers/staging/poch/README
deleted file mode 100644
index ac76ff969a2..00000000000
--- a/drivers/staging/poch/README
+++ /dev/null
@@ -1,136 +0,0 @@
-TODO:
-	- Rx block size is limited to < 2048, hardware bug?
-	- Group size is limited to < page size, kernel alloc/mmap API issues
-	- test whether Tx is transmitting data from provided buffers
-	- handle device unplug case
-	- handle temperature above threshold
-	- use bus address instead of physical address for DMA
-	- support for snapshot mode
-	- audit userspace interfaces
-	- get reserved major/minor if needed
-
-Sample Code:
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <poll.h>
-#include <stdio.h>
-#include <error.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdint.h>
-
-#include <sysfs/libsysfs.h>
-
-#include <poch.h>
-
-struct pconsume {
-	uint32_t * offsets;
-	uint32_t nfetch;
-	uint32_t nflush;
-};
-
-uint32_t offsets[10];
-
-void process_group(unsigned char *buf, uint32_t size)
-{
-	uint16_t *buf16 = (uint16_t *)buf;
-
-	printf("RX: %p %u %04x %04x %04x %04x %04x %04x\n", buf, size,
-	       buf16[0], buf16[1], buf16[2], buf16[3], buf16[4], buf16[5]);
-}
-
-int main()
-{
-	struct sysfs_attribute *attr;
-	char *path;
-	int ret;
-	unsigned long mmap_size;
-	int fd;
-	unsigned char *cbuf;
-
-	uint32_t nflush;
-	struct pollfd poll_fds;
-	int count = 0;
-	int i;
-
-	path = "/sys/class/pocketchange/poch0/ch0/block_size";
-	attr = sysfs_open_attribute(path);
-	ret = sysfs_write_attribute(attr, "256", strlen("256"));
-	if (ret == -1)
-		error(1, errno, "error writing attribute %s", path);
-	sysfs_close_attribute(attr);
-
-	path = "/sys/class/pocketchange/poch0/ch0/group_size";
-	attr = sysfs_open_attribute(path);
-	ret = sysfs_write_attribute(attr, "4096", strlen("4096"));
-	if (ret == -1)
-		error(1, errno, "error writing attribute %s", path);
-	sysfs_close_attribute(attr);
-
-	path = "/sys/class/pocketchange/poch0/ch0/group_count";
-	attr = sysfs_open_attribute(path);
-	ret = sysfs_write_attribute(attr, "64", strlen("64"));
-	if (ret == -1)
-		error(1, errno, "error writing attribute %s", path);
-	sysfs_close_attribute(attr);
-
-	fd = open("/dev/ch0", O_RDWR);
-	if (fd == -1)
-		error(1, errno, "error opening device node");
-
-	path = "/sys/class/pocketchange/poch0/ch0/mmap_size";
-	attr = sysfs_open_attribute(path);
-	ret = sysfs_read_attribute(attr);
-	if (ret == -1)
-		error(1, errno, "error reading attribute %s", path);
-	printf("%s", attr->value);
-	sscanf(attr->value, "%lu", &mmap_size);
-	sysfs_close_attribute(attr);
-
-	cbuf = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE,
-		    MAP_PRIVATE, fd, 0);
-	if (cbuf == MAP_FAILED)
-		error(1, errno, "error mapping DMA buffers");
-
-	ret = ioctl(fd, POCH_IOC_TRANSFER_START, 0);
-	if (ret == -1)
-		error(1, errno, "error starting transfer");
-
-	nflush = 0;
-	while (1) {
-		struct pconsume consume;
-
-		consume.offsets = offsets;
-		consume.nfetch = 10;
-		consume.nflush = nflush;
-
-		ret = ioctl(fd, POCH_IOC_CONSUME, &consume);
-		if (ret == -1)
-			error(1, errno, "error consuming groups");
-
-		nflush = consume.nfetch;
-
-		for (i = 0; i < nflush; i++) {
-			process_group(cbuf + consume.offsets[i], 4096);
-
-			count++;
-			if (count == 1000)
-				break;
-		}
-
-		if (count == 1000)
-			break;
-	}
-
-	ret = ioctl(fd, POCH_IOC_TRANSFER_STOP, 0);
-	if (ret == -1)
-		error(1, errno, "error starting transfer");
-
-	return 0;
-}
-
-Please send patches to Greg Kroah-Hartman <greg@kroah.com> and
-Vijay Kumar <vijaykumar@bravegnu.org> and Jaya Kumar <jayakumar.lkml@gmail.com>
diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c
deleted file mode 100644
index f940a34c1a0..00000000000
--- a/drivers/staging/poch/poch.c
+++ /dev/null
@@ -1,1443 +0,0 @@
-/*
- * User-space DMA and UIO based Redrapids Pocket Change CardBus driver
- *
- * Copyright 2008 Vijay Kumar <vijaykumar@bravegnu.org>
- *
- * Licensed under GPL version 2 only.
- */
-
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/uio_driver.h>
-#include <linux/spinlock.h>
-#include <linux/cdev.h>
-#include <linux/delay.h>
-#include <linux/sysfs.h>
-#include <linux/poll.h>
-#include <linux/idr.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/ioctl.h>
-#include <linux/io.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-
-#include "poch.h"
-
-#include <asm/cacheflush.h>
-
-#ifndef PCI_VENDOR_ID_RRAPIDS
-#define PCI_VENDOR_ID_RRAPIDS 0x17D2
-#endif
-
-#ifndef PCI_DEVICE_ID_RRAPIDS_POCKET_CHANGE
-#define PCI_DEVICE_ID_RRAPIDS_POCKET_CHANGE 0x0351
-#endif
-
-#define POCH_NCHANNELS 2
-
-#define MAX_POCH_CARDS 8
-#define MAX_POCH_DEVICES (MAX_POCH_CARDS * POCH_NCHANNELS)
-
-#define DRV_NAME "poch"
-#define PFX      DRV_NAME ": "
-
-/*
- * BAR0 Bridge Register Definitions
- */
-
-#define BRIDGE_REV_REG			0x0
-#define BRIDGE_INT_MASK_REG		0x4
-#define BRIDGE_INT_STAT_REG		0x8
-
-#define BRIDGE_INT_ACTIVE		(0x1 << 31)
-#define BRIDGE_INT_FPGA		        (0x1 << 2)
-#define BRIDGE_INT_TEMP_FAIL		(0x1 << 1)
-#define	BRIDGE_INT_TEMP_WARN		(0x1 << 0)
-
-#define BRIDGE_FPGA_RESET_REG		0xC
-
-#define BRIDGE_CARD_POWER_REG		0x10
-#define BRIDGE_CARD_POWER_EN            (0x1 << 0)
-#define BRIDGE_CARD_POWER_PROG_DONE     (0x1 << 31)
-
-#define BRIDGE_JTAG_REG			0x14
-#define BRIDGE_DMA_GO_REG		0x18
-#define BRIDGE_STAT_0_REG		0x1C
-#define BRIDGE_STAT_1_REG		0x20
-#define BRIDGE_STAT_2_REG		0x24
-#define BRIDGE_STAT_3_REG		0x28
-#define BRIDGE_TEMP_STAT_REG		0x2C
-#define BRIDGE_TEMP_THRESH_REG		0x30
-#define BRIDGE_EEPROM_REVSEL_REG	0x34
-#define BRIDGE_CIS_STRUCT_REG		0x100
-#define BRIDGE_BOARDREV_REG		0x124
-
-/*
- * BAR1 FPGA Register Definitions
- */
-
-#define FPGA_IFACE_REV_REG		0x0
-#define FPGA_RX_BLOCK_SIZE_REG		0x8
-#define FPGA_TX_BLOCK_SIZE_REG		0xC
-#define FPGA_RX_BLOCK_COUNT_REG		0x10
-#define FPGA_TX_BLOCK_COUNT_REG		0x14
-#define FPGA_RX_CURR_DMA_BLOCK_REG	0x18
-#define FPGA_TX_CURR_DMA_BLOCK_REG	0x1C
-#define FPGA_RX_GROUP_COUNT_REG		0x20
-#define FPGA_TX_GROUP_COUNT_REG		0x24
-#define FPGA_RX_CURR_GROUP_REG		0x28
-#define FPGA_TX_CURR_GROUP_REG		0x2C
-#define FPGA_RX_CURR_PCI_REG		0x38
-#define FPGA_TX_CURR_PCI_REG		0x3C
-#define FPGA_RX_GROUP0_START_REG	0x40
-#define FPGA_TX_GROUP0_START_REG	0xC0
-#define FPGA_DMA_DESC_1_REG		0x140
-#define FPGA_DMA_DESC_2_REG		0x144
-#define FPGA_DMA_DESC_3_REG		0x148
-#define FPGA_DMA_DESC_4_REG		0x14C
-
-#define FPGA_DMA_INT_STAT_REG		0x150
-#define FPGA_DMA_INT_MASK_REG		0x154
-#define FPGA_DMA_INT_RX		(1 << 0)
-#define FPGA_DMA_INT_TX		(1 << 1)
-
-#define FPGA_RX_GROUPS_PER_INT_REG	0x158
-#define FPGA_TX_GROUPS_PER_INT_REG	0x15C
-#define FPGA_DMA_ADR_PAGE_REG		0x160
-#define FPGA_FPGA_REV_REG		0x200
-
-#define FPGA_ADC_CLOCK_CTL_REG		0x204
-#define FPGA_ADC_CLOCK_CTL_OSC_EN	(0x1 << 3)
-#define FPGA_ADC_CLOCK_LOCAL_CLK	(0x1 | FPGA_ADC_CLOCK_CTL_OSC_EN)
-#define FPGA_ADC_CLOCK_EXT_SAMP_CLK	0X0
-
-#define FPGA_ADC_DAC_EN_REG		0x208
-#define FPGA_ADC_DAC_EN_DAC_OFF         (0x1 << 1)
-#define FPGA_ADC_DAC_EN_ADC_OFF         (0x1 << 0)
-
-#define FPGA_INT_STAT_REG		0x20C
-#define FPGA_INT_MASK_REG		0x210
-#define FPGA_INT_PLL_UNLOCKED		(0x1 << 9)
-#define FPGA_INT_DMA_CORE		(0x1 << 8)
-#define FPGA_INT_TX_FF_EMPTY		(0x1 << 7)
-#define FPGA_INT_RX_FF_EMPTY		(0x1 << 6)
-#define FPGA_INT_TX_FF_OVRFLW		(0x1 << 3)
-#define FPGA_INT_RX_FF_OVRFLW		(0x1 << 2)
-#define FPGA_INT_TX_ACQ_DONE		(0x1 << 1)
-#define FPGA_INT_RX_ACQ_DONE		(0x1)
-
-#define FPGA_RX_CTL_REG			0x214
-#define FPGA_RX_CTL_FIFO_FLUSH      	(0x1 << 9)
-#define FPGA_RX_CTL_SYNTH_DATA		(0x1 << 8)
-#define FPGA_RX_CTL_CONT_CAP		(0x0 << 1)
-#define FPGA_RX_CTL_SNAP_CAP		(0x1 << 1)
-
-#define FPGA_RX_ARM_REG			0x21C
-
-#define FPGA_DOM_REG			0x224
-#define	FPGA_DOM_DCM_RESET		(0x1 << 5)
-#define FPGA_DOM_SOFT_RESET		(0x1 << 4)
-#define FPGA_DOM_DUAL_M_SG_DMA		(0x0)
-#define FPGA_DOM_TARGET_ACCESS		(0x1)
-
-#define FPGA_TX_CTL_REG			0x228
-#define FPGA_TX_CTL_FIFO_FLUSH          (0x1 << 9)
-#define FPGA_TX_CTL_OUTPUT_ZERO         (0x0 << 2)
-#define FPGA_TX_CTL_OUTPUT_CARDBUS      (0x1 << 2)
-#define FPGA_TX_CTL_OUTPUT_ADC          (0x2 << 2)
-#define FPGA_TX_CTL_OUTPUT_SNAPSHOT     (0x3 << 2)
-#define FPGA_TX_CTL_LOOPBACK            (0x1 << 0)
-
-#define FPGA_ENDIAN_MODE_REG		0x22C
-#define FPGA_RX_FIFO_COUNT_REG		0x28C
-#define FPGA_TX_ENABLE_REG		0x298
-#define FPGA_TX_TRIGGER_REG		0x29C
-#define FPGA_TX_DATAMEM_COUNT_REG	0x2A8
-#define FPGA_CAP_FIFO_REG		0x300
-#define FPGA_TX_SNAPSHOT_REG		0x8000
-
-/*
- * Channel Index Definitions
- */
-
-enum {
-	CHNO_RX_CHANNEL,
-	CHNO_TX_CHANNEL,
-};
-
-struct poch_dev;
-
-enum channel_dir {
-	CHANNEL_DIR_RX,
-	CHANNEL_DIR_TX,
-};
-
-struct poch_group_info {
-	struct page *pg;
-	dma_addr_t dma_addr;
-	unsigned long user_offset;
-};
-
-struct channel_info {
-	unsigned int chno;
-
-	atomic_t sys_block_size;
-	atomic_t sys_group_size;
-	atomic_t sys_group_count;
-
-	enum channel_dir dir;
-
-	unsigned long block_size;
-	unsigned long group_size;
-	unsigned long group_count;
-
-	/* Contains the DMA address and VM offset of each group. */
-	struct poch_group_info *groups;
-
-	/* Contains the header and circular buffer exported to userspace. */
-	spinlock_t group_offsets_lock;
-
-	/* Last group consumed by user space. */
-	unsigned int consumed;
-	/* Last group indicated as 'complete' to user space. */
-	unsigned int transfer;
-
-	wait_queue_head_t wq;
-
-	union {
-		unsigned int data_available;
-		unsigned int space_available;
-	};
-
-	void __iomem *bridge_iomem;
-	void __iomem *fpga_iomem;
-	spinlock_t *iomem_lock;
-
-	atomic_t free;
-	atomic_t inited;
-
-	/* Error counters */
-	struct poch_counters counters;
-	spinlock_t counters_lock;
-
-	struct device *dev;
-};
-
-struct poch_dev {
-	struct uio_info uio;
-	struct pci_dev *pci_dev;
-	unsigned int nchannels;
-	struct channel_info channels[POCH_NCHANNELS];
-	struct cdev cdev;
-
-	/* Counts the no. of channels that have been opened. On first
-	 * open, the card is powered on. On last channel close, the
-	 * card is powered off.
-	 */
-	atomic_t usage;
-
-	void __iomem *bridge_iomem;
-	void __iomem *fpga_iomem;
-	spinlock_t iomem_lock;
-
-	struct device *dev;
-};
-
-static int synth_rx;
-module_param(synth_rx, bool, 0600);
-MODULE_PARM_DESC(synth_rx,
-		"Synthesize received values using a counter. Default: No");
-
-static int loopback;
-module_param(loopback, bool, 0600);
-MODULE_PARM_DESC(loopback,
-		"Enable hardware loopback of trasnmitted data. Default: No");
-
-static dev_t poch_first_dev;
-static struct class *poch_cls;
-static DEFINE_IDR(poch_ids);
-
-static ssize_t store_block_size(struct device *dev,
-				struct device_attribute *attr,
-				const char *buf, size_t count)
-{
-	struct channel_info *channel = dev_get_drvdata(dev);
-	unsigned long block_size;
-
-	sscanf(buf, "%lu", &block_size);
-	atomic_set(&channel->sys_block_size, block_size);
-
-	return count;
-}
-static DEVICE_ATTR(block_size, S_IWUSR|S_IWGRP, NULL, store_block_size);
-
-static ssize_t store_group_size(struct device *dev,
-				struct device_attribute *attr,
-				const char *buf, size_t count)
-{
-	struct channel_info *channel = dev_get_drvdata(dev);
-	unsigned long group_size;
-
-	sscanf(buf, "%lu", &group_size);
-	atomic_set(&channel->sys_group_size, group_size);
-
-	return count;
-}
-static DEVICE_ATTR(group_size, S_IWUSR|S_IWGRP, NULL, store_group_size);
-
-static ssize_t store_group_count(struct device *dev,
-				struct device_attribute *attr,
-				 const char *buf, size_t count)
-{
-	struct channel_info *channel = dev_get_drvdata(dev);
-	unsigned long group_count;
-
-	sscanf(buf, "%lu", &group_count);
-	atomic_set(&channel->sys_group_count, group_count);
-
-	return count;
-}
-static DEVICE_ATTR(group_count, S_IWUSR|S_IWGRP, NULL, store_group_count);
-
-static ssize_t show_direction(struct device *dev,
-			      struct device_attribute *attr, char *buf)
-{
-	struct channel_info *channel = dev_get_drvdata(dev);
-	int len;
-
-	len = sprintf(buf, "%s\n", (channel->dir ? "tx" : "rx"));
-	return len;
-}
-static DEVICE_ATTR(dir, S_IRUSR|S_IRGRP, show_direction, NULL);
-
-static unsigned long npages(unsigned long bytes)
-{
-	if (bytes % PAGE_SIZE == 0)
-		return bytes / PAGE_SIZE;
-	else
-		return (bytes / PAGE_SIZE) + 1;
-}
-
-static ssize_t show_mmap_size(struct device *dev,
-			      struct device_attribute *attr, char *buf)
-{
-	struct channel_info *channel = dev_get_drvdata(dev);
-	int len;
-	unsigned long mmap_size;
-	unsigned long group_pages;
-	unsigned long total_group_pages;
-
-	group_pages = npages(channel->group_size);
-	total_group_pages = group_pages * channel->group_count;
-
-	mmap_size = total_group_pages * PAGE_SIZE;
-	len = sprintf(buf, "%lu\n", mmap_size);
-	return len;
-}
-static DEVICE_ATTR(mmap_size, S_IRUSR|S_IRGRP, show_mmap_size, NULL);
-
-static struct device_attribute *poch_class_attrs[] = {
-	&dev_attr_block_size,
-	&dev_attr_group_size,
-	&dev_attr_group_count,
-	&dev_attr_dir,
-	&dev_attr_mmap_size,
-};
-
-static void poch_channel_free_groups(struct channel_info *channel)
-{
-	unsigned long i;
-
-	for (i = 0; i < channel->group_count; i++) {
-		struct poch_group_info *group;
-		unsigned int order;
-
-		group = &channel->groups[i];
-		order = get_order(channel->group_size);
-		if (group->pg)
-			__free_pages(group->pg, order);
-	}
-}
-
-static int poch_channel_alloc_groups(struct channel_info *channel)
-{
-	unsigned long i;
-	unsigned long group_pages;
-
-	group_pages = npages(channel->group_size);
-
-	for (i = 0; i < channel->group_count; i++) {
-		struct poch_group_info *group;
-		unsigned int order;
-		gfp_t gfp_mask;
-
-		group = &channel->groups[i];
-		order = get_order(channel->group_size);
-
-		/*
-		 * __GFP_COMP is required here since we are going to
-		 * perform non-linear mapping to userspace. For more
-		 * information read the vm_insert_page() function
-		 * comments.
-		 */
-
-		gfp_mask = GFP_KERNEL | GFP_DMA32 | __GFP_ZERO;
-		group->pg = alloc_pages(gfp_mask, order);
-		if (!group->pg) {
-			poch_channel_free_groups(channel);
-			return -ENOMEM;
-		}
-
-		/* FIXME: This is the physical address not the bus
-		 * address!  This won't work in architectures that
-		 * have an IOMMU. Can we use pci_map_single() for
-		 * this?
-		 */
-		group->dma_addr = page_to_pfn(group->pg) * PAGE_SIZE;
-		group->user_offset = (i * group_pages) * PAGE_SIZE;
-
-		printk(KERN_INFO PFX "%ld: user_offset: 0x%lx\n", i,
-		       group->user_offset);
-	}
-
-	return 0;
-}
-
-static int channel_latch_attr(struct channel_info *channel)
-{
-	channel->group_count = atomic_read(&channel->sys_group_count);
-	channel->group_size = atomic_read(&channel->sys_group_size);
-	channel->block_size = atomic_read(&channel->sys_block_size);
-
-	if (channel->group_count == 0) {
-		printk(KERN_ERR PFX "invalid group count %lu",
-		       channel->group_count);
-		return -EINVAL;
-	}
-
-	if (channel->group_size == 0 ||
-	    channel->group_size < channel->block_size) {
-		printk(KERN_ERR PFX "invalid group size %lu",
-		       channel->group_size);
-		return -EINVAL;
-	}
-
-	if (channel->block_size == 0 || (channel->block_size % 8) != 0) {
-		printk(KERN_ERR PFX "invalid block size %lu",
-		       channel->block_size);
-		return -EINVAL;
-	}
-
-	if (channel->group_size % channel->block_size != 0) {
-		printk(KERN_ERR PFX
-		       "group size should be multiple of block size");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/*
- * Configure DMA group registers
- */
-static void channel_dma_init(struct channel_info *channel)
-{
-	void __iomem *fpga = channel->fpga_iomem;
-	u32 group_regs_base;
-	u32 group_reg;
-	unsigned int page;
-	unsigned int group_in_page;
-	unsigned long i;
-	u32 block_size_reg;
-	u32 block_count_reg;
-	u32 group_count_reg;
-	u32 groups_per_int_reg;
-	u32 curr_pci_reg;
-
-	if (channel->chno == CHNO_RX_CHANNEL) {
-		group_regs_base = FPGA_RX_GROUP0_START_REG;
-		block_size_reg = FPGA_RX_BLOCK_SIZE_REG;
-		block_count_reg = FPGA_RX_BLOCK_COUNT_REG;
-		group_count_reg = FPGA_RX_GROUP_COUNT_REG;
-		groups_per_int_reg = FPGA_RX_GROUPS_PER_INT_REG;
-		curr_pci_reg = FPGA_RX_CURR_PCI_REG;
-	} else {
-		group_regs_base = FPGA_TX_GROUP0_START_REG;
-		block_size_reg = FPGA_TX_BLOCK_SIZE_REG;
-		block_count_reg = FPGA_TX_BLOCK_COUNT_REG;
-		group_count_reg = FPGA_TX_GROUP_COUNT_REG;
-		groups_per_int_reg = FPGA_TX_GROUPS_PER_INT_REG;
-		curr_pci_reg = FPGA_TX_CURR_PCI_REG;
-	}
-
-	printk(KERN_WARNING "block_size, group_size, group_count\n");
-	/*
-	 * Block size is represented in no. of 64 bit transfers.
-	 */
-	iowrite32(channel->block_size / 8, fpga + block_size_reg);
-	iowrite32(channel->group_size / channel->block_size,
-		  fpga + block_count_reg);
-	iowrite32(channel->group_count, fpga + group_count_reg);
-	/* FIXME: Hardcoded groups per int. Get it from sysfs? */
-	iowrite32(16, fpga + groups_per_int_reg);
-
-	/* Unlock PCI address? Not defined in the data sheet, but used
-	 * in the reference code by Redrapids.
-	 */
-	iowrite32(0x1, fpga + curr_pci_reg);
-
-	/* The DMA address page register is shared between the RX and
-	 * TX channels, so acquire lock.
-	 */
-	for (i = 0; i < channel->group_count; i++) {
-		page = i / 32;
-		group_in_page = i % 32;
-
-		group_reg = group_regs_base + (group_in_page * 4);
-
-		spin_lock(channel->iomem_lock);
-		iowrite32(page, fpga + FPGA_DMA_ADR_PAGE_REG);
-		iowrite32(channel->groups[i].dma_addr, fpga + group_reg);
-		spin_unlock(channel->iomem_lock);
-	}
-
-	for (i = 0; i < channel->group_count; i++) {
-		page = i / 32;
-		group_in_page = i % 32;
-
-		group_reg = group_regs_base + (group_in_page * 4);
-
-		spin_lock(channel->iomem_lock);
-		iowrite32(page, fpga + FPGA_DMA_ADR_PAGE_REG);
-		printk(KERN_INFO PFX "%ld: read dma_addr: 0x%x\n", i,
-		       ioread32(fpga + group_reg));
-		spin_unlock(channel->iomem_lock);
-	}
-
-}
-
-static void __poch_channel_clear_counters(struct channel_info *channel)
-{
-	channel->counters.pll_unlock = 0;
-	channel->counters.fifo_empty = 0;
-	channel->counters.fifo_overflow = 0;
-}
-
-static int poch_channel_init(struct channel_info *channel,
-			     struct poch_dev *poch_dev)
-{
-	struct pci_dev *pdev = poch_dev->pci_dev;
-	struct device *dev = &pdev->dev;
-	unsigned long alloc_size;
-	int ret;
-
-	printk(KERN_WARNING "channel_latch_attr\n");
-
-	ret = channel_latch_attr(channel);
-	if (ret != 0)
-		goto out;
-
-	channel->consumed = 0;
-	channel->transfer = 0;
-
-	/* Allocate memory to hold group information. */
-	alloc_size = channel->group_count * sizeof(struct poch_group_info);
-	channel->groups = kzalloc(alloc_size, GFP_KERNEL);
-	if (!channel->groups) {
-		dev_err(dev, "error allocating memory for group info\n");
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	printk(KERN_WARNING "poch_channel_alloc_groups\n");
-
-	ret = poch_channel_alloc_groups(channel);
-	if (ret) {
-		dev_err(dev, "error allocating groups of order %d\n",
-			get_order(channel->group_size));
-		goto out_free_group_info;
-	}
-
-	channel->fpga_iomem = poch_dev->fpga_iomem;
-	channel->bridge_iomem = poch_dev->bridge_iomem;
-	channel->iomem_lock = &poch_dev->iomem_lock;
-	spin_lock_init(&channel->counters_lock);
-
-	__poch_channel_clear_counters(channel);
-
-	return 0;
-
- out_free_group_info:
-	kfree(channel->groups);
- out:
-	return ret;
-}
-
-static int poch_wait_fpga_prog(void __iomem *bridge)
-{
-	unsigned long total_wait;
-	const unsigned long wait_period = 100;
-	/* FIXME: Get the actual timeout */
-	const unsigned long prog_timeo = 10000; /* 10 Seconds */
-	u32 card_power;
-
-	printk(KERN_WARNING "poch_wait_fpg_prog\n");
-
-	printk(KERN_INFO PFX "programming fpga ...\n");
-	total_wait = 0;
-	while (1) {
-		msleep(wait_period);
-		total_wait += wait_period;
-
-		card_power = ioread32(bridge + BRIDGE_CARD_POWER_REG);
-		if (card_power & BRIDGE_CARD_POWER_PROG_DONE) {
-			printk(KERN_INFO PFX "programming done\n");
-			return 0;
-		}
-		if (total_wait > prog_timeo) {
-			printk(KERN_ERR PFX
-			       "timed out while programming FPGA\n");
-			return -EIO;
-		}
-	}
-}
-
-static void poch_card_power_off(struct poch_dev *poch_dev)
-{
-	void __iomem *bridge = poch_dev->bridge_iomem;
-	u32 card_power;
-
-	iowrite32(0, bridge + BRIDGE_INT_MASK_REG);
-	iowrite32(0, bridge + BRIDGE_DMA_GO_REG);
-
-	card_power = ioread32(bridge + BRIDGE_CARD_POWER_REG);
-	iowrite32(card_power & ~BRIDGE_CARD_POWER_EN,
-		  bridge + BRIDGE_CARD_POWER_REG);
-}
-
-enum clk_src {
-	CLK_SRC_ON_BOARD,
-	CLK_SRC_EXTERNAL
-};
-
-static void poch_card_clock_on(void __iomem *fpga)
-{
-	/* FIXME: Get this data through sysfs? */
-	enum clk_src clk_src = CLK_SRC_ON_BOARD;
-
-	if (clk_src == CLK_SRC_ON_BOARD) {
-		iowrite32(FPGA_ADC_CLOCK_LOCAL_CLK | FPGA_ADC_CLOCK_CTL_OSC_EN,
-			  fpga + FPGA_ADC_CLOCK_CTL_REG);
-	} else if (clk_src == CLK_SRC_EXTERNAL) {
-		iowrite32(FPGA_ADC_CLOCK_EXT_SAMP_CLK,
-			  fpga + FPGA_ADC_CLOCK_CTL_REG);
-	}
-}
-
-static int poch_card_power_on(struct poch_dev *poch_dev)
-{
-	void __iomem *bridge = poch_dev->bridge_iomem;
-	void __iomem *fpga = poch_dev->fpga_iomem;
-
-	iowrite32(BRIDGE_CARD_POWER_EN, bridge + BRIDGE_CARD_POWER_REG);
-
-	if (poch_wait_fpga_prog(bridge) != 0) {
-		poch_card_power_off(poch_dev);
-		return -EIO;
-	}
-
-	poch_card_clock_on(fpga);
-
-	/* Sync to new clock, reset state machines, set DMA mode. */
-	iowrite32(FPGA_DOM_DCM_RESET | FPGA_DOM_SOFT_RESET
-		  | FPGA_DOM_DUAL_M_SG_DMA, fpga + FPGA_DOM_REG);
-
-	/* FIXME: The time required for sync. needs to be tuned. */
-	msleep(1000);
-
-	return 0;
-}
-
-static void poch_channel_analog_on(struct channel_info *channel)
-{
-	void __iomem *fpga = channel->fpga_iomem;
-	u32 adc_dac_en;
-
-	spin_lock(channel->iomem_lock);
-	adc_dac_en = ioread32(fpga + FPGA_ADC_DAC_EN_REG);
-	switch (channel->chno) {
-	case CHNO_RX_CHANNEL:
-		iowrite32(adc_dac_en & ~FPGA_ADC_DAC_EN_ADC_OFF,
-			  fpga + FPGA_ADC_DAC_EN_REG);
-		break;
-	case CHNO_TX_CHANNEL:
-		iowrite32(adc_dac_en & ~FPGA_ADC_DAC_EN_DAC_OFF,
-			  fpga + FPGA_ADC_DAC_EN_REG);
-		break;
-	}
-	spin_unlock(channel->iomem_lock);
-}
-
-static int poch_open(struct inode *inode, struct file *filp)
-{
-	struct poch_dev *poch_dev;
-	struct channel_info *channel;
-	void __iomem *bridge;
-	void __iomem *fpga;
-	int chno;
-	int usage;
-	int ret;
-
-	poch_dev = container_of(inode->i_cdev, struct poch_dev, cdev);
-	bridge = poch_dev->bridge_iomem;
-	fpga = poch_dev->fpga_iomem;
-
-	chno = iminor(inode) % poch_dev->nchannels;
-	channel = &poch_dev->channels[chno];
-
-	if (!atomic_dec_and_test(&channel->free)) {
-		atomic_inc(&channel->free);
-		ret = -EBUSY;
-		goto out;
-	}
-
-	usage = atomic_inc_return(&poch_dev->usage);
-
-	printk(KERN_WARNING "poch_card_power_on\n");
-
-	if (usage == 1) {
-		ret = poch_card_power_on(poch_dev);
-		if (ret)
-			goto out_dec_usage;
-	}
-
-	printk(KERN_INFO "CardBus Bridge Revision: %x\n",
-	       ioread32(bridge + BRIDGE_REV_REG));
-	printk(KERN_INFO "CardBus Interface Revision: %x\n",
-	       ioread32(fpga + FPGA_IFACE_REV_REG));
-
-	channel->chno = chno;
-	filp->private_data = channel;
-
-	printk(KERN_WARNING "poch_channel_init\n");
-
-	ret = poch_channel_init(channel, poch_dev);
-	if (ret)
-		goto out_power_off;
-
-	poch_channel_analog_on(channel);
-
-	printk(KERN_WARNING "channel_dma_init\n");
-
-	channel_dma_init(channel);
-
-	printk(KERN_WARNING "poch_channel_analog_on\n");
-
-	if (usage == 1) {
-		printk(KERN_WARNING "setting up DMA\n");
-
-		/* Initialize DMA Controller. */
-		iowrite32(FPGA_CAP_FIFO_REG, bridge + BRIDGE_STAT_2_REG);
-		iowrite32(FPGA_DMA_DESC_1_REG, bridge + BRIDGE_STAT_3_REG);
-
-		ioread32(fpga + FPGA_DMA_INT_STAT_REG);
-		ioread32(fpga + FPGA_INT_STAT_REG);
-		ioread32(bridge + BRIDGE_INT_STAT_REG);
-
-		/* Initialize Interrupts. FIXME: Enable temperature
-		 * handling We are enabling both Tx and Rx channel
-		 * interrupts here. Do we need to enable interrupts
-		 * only for the current channel? Anyways we won't get
-		 * the interrupt unless the DMA is activated.
-		 */
-		iowrite32(BRIDGE_INT_FPGA, bridge + BRIDGE_INT_MASK_REG);
-		iowrite32(FPGA_INT_DMA_CORE
-			  | FPGA_INT_PLL_UNLOCKED
-			  | FPGA_INT_TX_FF_EMPTY
-			  | FPGA_INT_RX_FF_EMPTY
-			  | FPGA_INT_TX_FF_OVRFLW
-			  | FPGA_INT_RX_FF_OVRFLW,
-			  fpga + FPGA_INT_MASK_REG);
-		iowrite32(FPGA_DMA_INT_RX | FPGA_DMA_INT_TX,
-			  fpga + FPGA_DMA_INT_MASK_REG);
-	}
-
-	if (channel->dir == CHANNEL_DIR_TX) {
-		/* Flush TX FIFO and output data from cardbus. */
-		u32 ctl_val = 0;
-
-		ctl_val |= FPGA_TX_CTL_FIFO_FLUSH;
-		ctl_val |= FPGA_TX_CTL_OUTPUT_CARDBUS;
-		if (loopback)
-			ctl_val |= FPGA_TX_CTL_LOOPBACK;
-
-		iowrite32(ctl_val, fpga + FPGA_TX_CTL_REG);
-	} else {
-		/* Flush RX FIFO and output data to cardbus. */
-		u32 ctl_val = FPGA_RX_CTL_CONT_CAP | FPGA_RX_CTL_FIFO_FLUSH;
-		if (synth_rx)
-			ctl_val |= FPGA_RX_CTL_SYNTH_DATA;
-
-		iowrite32(ctl_val, fpga + FPGA_RX_CTL_REG);
-	}
-
-	atomic_inc(&channel->inited);
-
-	return 0;
-
- out_power_off:
-	if (usage == 1)
-		poch_card_power_off(poch_dev);
- out_dec_usage:
-	atomic_dec(&poch_dev->usage);
-	atomic_inc(&channel->free);
- out:
-	return ret;
-}
-
-static int poch_release(struct inode *inode, struct file *filp)
-{
-	struct channel_info *channel = filp->private_data;
-	struct poch_dev *poch_dev;
-	int usage;
-
-	poch_dev = container_of(inode->i_cdev, struct poch_dev, cdev);
-
-	usage = atomic_dec_return(&poch_dev->usage);
-	if (usage == 0) {
-		printk(KERN_WARNING "poch_card_power_off\n");
-		poch_card_power_off(poch_dev);
-	}
-
-	atomic_dec(&channel->inited);
-	poch_channel_free_groups(channel);
-	kfree(channel->groups);
-	atomic_inc(&channel->free);
-
-	return 0;
-}
-
-/*
- * Map the the group buffers, to user space.
- */
-static int poch_mmap(struct file *filp, struct vm_area_struct *vma)
-{
-	struct channel_info *channel = filp->private_data;
-
-	unsigned long start;
-	unsigned long size;
-
-	unsigned long group_pages;
-	unsigned long total_group_pages;
-
-	int pg_num;
-	struct page *pg;
-
-	int i;
-	int ret;
-
-	printk(KERN_WARNING "poch_mmap\n");
-
-	if (vma->vm_pgoff) {
-		printk(KERN_WARNING PFX "page offset: %lu\n", vma->vm_pgoff);
-		return -EINVAL;
-	}
-
-	group_pages = npages(channel->group_size);
-	total_group_pages = group_pages * channel->group_count;
-
-	size = vma->vm_end - vma->vm_start;
-	if (size != total_group_pages * PAGE_SIZE) {
-		printk(KERN_WARNING PFX "required %lu bytes\n", size);
-		return -EINVAL;
-	}
-
-	start = vma->vm_start;
-
-	for (i = 0; i < channel->group_count; i++) {
-		pg = channel->groups[i].pg;
-		for (pg_num = 0; pg_num < group_pages; pg_num++, pg++) {
-			printk(KERN_DEBUG PFX "%d: group %d: 0x%lx\n",
-			       pg_num, i, start);
-			ret = vm_insert_page(vma, start, pg);
-			if (ret) {
-				printk(KERN_DEBUG PFX
-				       "vm_insert 2 failed at %d\n", pg_num);
-				return ret;
-			}
-			start += PAGE_SIZE;
-		}
-	}
-
-	return 0;
-}
-
-/*
- * Check whether there is some group that the user space has not
- * consumed yet. When the user space consumes a group, it sets it to
- * -1. Cosuming could be reading data in case of RX and filling a
- * buffer in case of TX.
- */
-static int poch_channel_available(struct channel_info *channel)
-{
-	int available = 0;
-
-	spin_lock_irq(&channel->group_offsets_lock);
-
-	if (channel->consumed != channel->transfer)
-		available = 1;
-
-	spin_unlock_irq(&channel->group_offsets_lock);
-
-	return available;
-}
-
-static unsigned int poch_poll(struct file *filp, poll_table *pt)
-{
-	struct channel_info *channel = filp->private_data;
-	unsigned int ret = 0;
-
-	poll_wait(filp, &channel->wq, pt);
-
-	if (poch_channel_available(channel)) {
-		if (channel->dir == CHANNEL_DIR_RX)
-			ret = POLLIN | POLLRDNORM;
-		else
-			ret = POLLOUT | POLLWRNORM;
-	}
-
-	return ret;
-}
-
-static int poch_ioctl(struct inode *inode, struct file *filp,
-		      unsigned int cmd, unsigned long arg)
-{
-	struct channel_info *channel = filp->private_data;
-	void __iomem *fpga = channel->fpga_iomem;
-	void __iomem *bridge = channel->bridge_iomem;
-	void __user *argp = (void __user *)arg;
-	struct vm_area_struct *vms;
-	struct poch_counters counters;
-	int ret;
-
-	switch (cmd) {
-	case POCH_IOC_TRANSFER_START:
-		switch (channel->chno) {
-		case CHNO_TX_CHANNEL:
-			printk(KERN_INFO PFX "ioctl: Tx start\n");
-			iowrite32(0x1, fpga + FPGA_TX_TRIGGER_REG);
-			iowrite32(0x1, fpga + FPGA_TX_ENABLE_REG);
-
-			/* FIXME: Does it make sense to do a DMA GO
-			 * twice, once in Tx and once in Rx.
-			 */
-			iowrite32(0x1, bridge + BRIDGE_DMA_GO_REG);
-			break;
-		case CHNO_RX_CHANNEL:
-			printk(KERN_INFO PFX "ioctl: Rx start\n");
-			iowrite32(0x1, fpga + FPGA_RX_ARM_REG);
-			iowrite32(0x1, bridge + BRIDGE_DMA_GO_REG);
-			break;
-		}
-		break;
-	case POCH_IOC_TRANSFER_STOP:
-		switch (channel->chno) {
-		case CHNO_TX_CHANNEL:
-			printk(KERN_INFO PFX "ioctl: Tx stop\n");
-			iowrite32(0x0, fpga + FPGA_TX_ENABLE_REG);
-			iowrite32(0x0, fpga + FPGA_TX_TRIGGER_REG);
-			iowrite32(0x0, bridge + BRIDGE_DMA_GO_REG);
-			break;
-		case CHNO_RX_CHANNEL:
-			printk(KERN_INFO PFX "ioctl: Rx stop\n");
-			iowrite32(0x0, fpga + FPGA_RX_ARM_REG);
-			iowrite32(0x0, bridge + BRIDGE_DMA_GO_REG);
-			break;
-		}
-		break;
-	case POCH_IOC_CONSUME:
-	{
-		int available;
-		int nfetch;
-		unsigned int from;
-		unsigned int count;
-		unsigned int i, j;
-		struct poch_consume consume;
-		struct poch_consume *uconsume;
-
-		uconsume = argp;
-		ret = copy_from_user(&consume, uconsume, sizeof(consume));
-		if (ret)
-			return ret;
-
-		spin_lock_irq(&channel->group_offsets_lock);
-
-		channel->consumed += consume.nflush;
-		channel->consumed %= channel->group_count;
-
-		available = channel->transfer - channel->consumed;
-		if (available < 0)
-			available += channel->group_count;
-
-		from = channel->consumed;
-
-		spin_unlock_irq(&channel->group_offsets_lock);
-
-		nfetch = consume.nfetch;
-		count = min(available, nfetch);
-
-		for (i = 0; i < count; i++) {
-			j = (from + i) % channel->group_count;
-			ret = put_user(channel->groups[j].user_offset,
-				       &consume.offsets[i]);
-			if (ret)
-				return -EFAULT;
-		}
-
-		ret = put_user(count, &uconsume->nfetch);
-		if (ret)
-			return -EFAULT;
-
-		break;
-	}
-	case POCH_IOC_GET_COUNTERS:
-		if (!access_ok(VERIFY_WRITE, argp, sizeof(struct poch_counters)))
-			return -EFAULT;
-
-		spin_lock_irq(&channel->counters_lock);
-		counters = channel->counters;
-		__poch_channel_clear_counters(channel);
-		spin_unlock_irq(&channel->counters_lock);
-
-		ret = copy_to_user(argp, &counters,
-				   sizeof(struct poch_counters));
-		if (ret)
-			return ret;
-
-		break;
-	case POCH_IOC_SYNC_GROUP_FOR_USER:
-	case POCH_IOC_SYNC_GROUP_FOR_DEVICE:
-		vms = find_vma(current->mm, arg);
-		if (!vms)
-			/* Address not mapped. */
-			return -EINVAL;
-		if (vms->vm_file != filp)
-			/* Address mapped from different device/file. */
-			return -EINVAL;
-
-		flush_cache_range(vms, arg, arg + channel->group_size);
-		break;
-	}
-	return 0;
-}
-
-static struct file_operations poch_fops = {
-	.owner = THIS_MODULE,
-	.open = poch_open,
-	.release = poch_release,
-	.ioctl = poch_ioctl,
-	.poll = poch_poll,
-	.mmap = poch_mmap
-};
-
-static void poch_irq_dma(struct channel_info *channel)
-{
-	u32 prev_transfer;
-	u32 curr_transfer;
-	long groups_done;
-	unsigned long i, j;
-	struct poch_group_info *groups;
-	u32 curr_group_reg;
-
-	if (!atomic_read(&channel->inited))
-		return;
-
-	prev_transfer = channel->transfer;
-
-	if (channel->chno == CHNO_RX_CHANNEL)
-		curr_group_reg = FPGA_RX_CURR_GROUP_REG;
-	else
-		curr_group_reg = FPGA_TX_CURR_GROUP_REG;
-
-	curr_transfer = ioread32(channel->fpga_iomem + curr_group_reg);
-
-	groups_done = curr_transfer - prev_transfer;
-	/* Check wrap over, and handle it. */
-	if (groups_done <= 0)
-		groups_done += channel->group_count;
-
-	groups = channel->groups;
-
-	spin_lock(&channel->group_offsets_lock);
-
-	for (i = 0; i < groups_done; i++) {
-		j = (prev_transfer + i) % channel->group_count;
-
-		channel->transfer += 1;
-		channel->transfer %= channel->group_count;
-
-		if (channel->transfer == channel->consumed) {
-			channel->consumed += 1;
-			channel->consumed %= channel->group_count;
-		}
-	}
-
-	spin_unlock(&channel->group_offsets_lock);
-
-	wake_up_interruptible(&channel->wq);
-}
-
-static irqreturn_t poch_irq_handler(int irq, void *p)
-{
-	struct poch_dev *poch_dev = p;
-	void __iomem *bridge = poch_dev->bridge_iomem;
-	void __iomem *fpga = poch_dev->fpga_iomem;
-	struct channel_info *channel_rx = &poch_dev->channels[CHNO_RX_CHANNEL];
-	struct channel_info *channel_tx = &poch_dev->channels[CHNO_TX_CHANNEL];
-	u32 bridge_stat;
-	u32 fpga_stat;
-	u32 dma_stat;
-
-	bridge_stat = ioread32(bridge + BRIDGE_INT_STAT_REG);
-	fpga_stat = ioread32(fpga + FPGA_INT_STAT_REG);
-	dma_stat = ioread32(fpga + FPGA_DMA_INT_STAT_REG);
-
-	ioread32(fpga + FPGA_DMA_INT_STAT_REG);
-	ioread32(fpga + FPGA_INT_STAT_REG);
-	ioread32(bridge + BRIDGE_INT_STAT_REG);
-
-	if (bridge_stat & BRIDGE_INT_FPGA) {
-		if (fpga_stat & FPGA_INT_DMA_CORE) {
-			if (dma_stat & FPGA_DMA_INT_RX)
-				poch_irq_dma(channel_rx);
-			if (dma_stat & FPGA_DMA_INT_TX)
-				poch_irq_dma(channel_tx);
-		}
-		if (fpga_stat & FPGA_INT_PLL_UNLOCKED) {
-			channel_tx->counters.pll_unlock++;
-			channel_rx->counters.pll_unlock++;
-			if (printk_ratelimit())
-				printk(KERN_WARNING PFX "PLL unlocked\n");
-		}
-		if (fpga_stat & FPGA_INT_TX_FF_EMPTY)
-			channel_tx->counters.fifo_empty++;
-		if (fpga_stat & FPGA_INT_TX_FF_OVRFLW)
-			channel_tx->counters.fifo_overflow++;
-		if (fpga_stat & FPGA_INT_RX_FF_EMPTY)
-			channel_rx->counters.fifo_empty++;
-		if (fpga_stat & FPGA_INT_RX_FF_OVRFLW)
-			channel_rx->counters.fifo_overflow++;
-
-		/*
-		 * FIXME: These errors should be notified through the
-		 * poll interface as POLLERR.
-		 */
-
-		/* Re-enable interrupts. */
-		iowrite32(BRIDGE_INT_FPGA, bridge + BRIDGE_INT_MASK_REG);
-
-		return IRQ_HANDLED;
-	}
-
-	return IRQ_NONE;
-}
-
-static void poch_class_dev_unregister(struct poch_dev *poch_dev, int id)
-{
-	int i, j;
-	int nattrs;
-	struct channel_info *channel;
-	dev_t devno;
-
-	if (poch_dev->dev == NULL)
-		return;
-
-	for (i = 0; i < poch_dev->nchannels; i++) {
-		channel = &poch_dev->channels[i];
-		devno = poch_first_dev + (id * poch_dev->nchannels) + i;
-
-		if (!channel->dev)
-			continue;
-
-		nattrs = sizeof(poch_class_attrs)/sizeof(poch_class_attrs[0]);
-		for (j = 0; j < nattrs; j++)
-			device_remove_file(channel->dev, poch_class_attrs[j]);
-
-		device_unregister(channel->dev);
-	}
-
-	device_unregister(poch_dev->dev);
-}
-
-static int __devinit poch_class_dev_register(struct poch_dev *poch_dev,
-					     int id)
-{
-	struct device *dev = &poch_dev->pci_dev->dev;
-	int i, j;
-	int nattrs;
-	int ret;
-	struct channel_info *channel;
-	dev_t devno;
-
-	poch_dev->dev = device_create(poch_cls, &poch_dev->pci_dev->dev,
-				      MKDEV(0, 0), NULL, "poch%d", id);
-	if (IS_ERR(poch_dev->dev)) {
-		dev_err(dev, "error creating parent class device");
-		ret = PTR_ERR(poch_dev->dev);
-		poch_dev->dev = NULL;
-		return ret;
-	}
-
-	for (i = 0; i < poch_dev->nchannels; i++) {
-		channel = &poch_dev->channels[i];
-
-		devno = poch_first_dev + (id * poch_dev->nchannels) + i;
-		channel->dev = device_create(poch_cls, poch_dev->dev, devno,
-					     NULL, "ch%d", i);
-		if (IS_ERR(channel->dev)) {
-			dev_err(dev, "error creating channel class device");
-			ret = PTR_ERR(channel->dev);
-			channel->dev = NULL;
-			poch_class_dev_unregister(poch_dev, id);
-			return ret;
-		}
-
-		dev_set_drvdata(channel->dev, channel);
-		nattrs = sizeof(poch_class_attrs)/sizeof(poch_class_attrs[0]);
-		for (j = 0; j < nattrs; j++) {
-			ret = device_create_file(channel->dev,
-						 poch_class_attrs[j]);
-			if (ret) {
-				dev_err(dev, "error creating attribute file");
-				poch_class_dev_unregister(poch_dev, id);
-				return ret;
-			}
-		}
-	}
-
-	return 0;
-}
-
-static int __devinit poch_pci_probe(struct pci_dev *pdev,
-				    const struct pci_device_id *pci_id)
-{
-	struct device *dev = &pdev->dev;
-	struct poch_dev *poch_dev;
-	struct uio_info *uio;
-	int ret;
-	int id;
-	int i;
-
-	poch_dev = kzalloc(sizeof(struct poch_dev), GFP_KERNEL);
-	if (!poch_dev) {
-		dev_err(dev, "error allocating priv. data memory\n");
-		return -ENOMEM;
-	}
-
-	poch_dev->pci_dev = pdev;
-	uio = &poch_dev->uio;
-
-	pci_set_drvdata(pdev, poch_dev);
-
-	spin_lock_init(&poch_dev->iomem_lock);
-
-	poch_dev->nchannels = POCH_NCHANNELS;
-	poch_dev->channels[CHNO_RX_CHANNEL].dir = CHANNEL_DIR_RX;
-	poch_dev->channels[CHNO_TX_CHANNEL].dir = CHANNEL_DIR_TX;
-
-	for (i = 0; i < poch_dev->nchannels; i++) {
-		init_waitqueue_head(&poch_dev->channels[i].wq);
-		atomic_set(&poch_dev->channels[i].free, 1);
-		atomic_set(&poch_dev->channels[i].inited, 0);
-	}
-
-	ret = pci_enable_device(pdev);
-	if (ret) {
-		dev_err(dev, "error enabling device\n");
-		goto out_free;
-	}
-
-	ret = pci_request_regions(pdev, "poch");
-	if (ret) {
-		dev_err(dev, "error requesting resources\n");
-		goto out_disable;
-	}
-
-	uio->mem[0].addr = pci_resource_start(pdev, 1);
-	if (!uio->mem[0].addr) {
-		dev_err(dev, "invalid BAR1\n");
-		ret = -ENODEV;
-		goto out_release;
-	}
-
-	uio->mem[0].size = pci_resource_len(pdev, 1);
-	uio->mem[0].memtype = UIO_MEM_PHYS;
-
-	uio->name = "poch";
-	uio->version = "0.0.1";
-	uio->irq = -1;
-	ret = uio_register_device(dev, uio);
-	if (ret) {
-		dev_err(dev, "error register UIO device: %d\n", ret);
-		goto out_release;
-	}
-
-	poch_dev->bridge_iomem = ioremap(pci_resource_start(pdev, 0),
-					 pci_resource_len(pdev, 0));
-	if (poch_dev->bridge_iomem == NULL) {
-		dev_err(dev, "error mapping bridge (bar0) registers\n");
-		ret = -ENOMEM;
-		goto out_uio_unreg;
-	}
-
-	poch_dev->fpga_iomem = ioremap(pci_resource_start(pdev, 1),
-				       pci_resource_len(pdev, 1));
-	if (poch_dev->fpga_iomem == NULL) {
-		dev_err(dev, "error mapping fpga (bar1) registers\n");
-		ret = -ENOMEM;
-		goto out_bar0_unmap;
-	}
-
-	ret = request_irq(pdev->irq, poch_irq_handler, IRQF_SHARED,
-			  dev_name(dev), poch_dev);
-	if (ret) {
-		dev_err(dev, "error requesting IRQ %u\n", pdev->irq);
-		ret = -ENOMEM;
-		goto out_bar1_unmap;
-	}
-
-	if (!idr_pre_get(&poch_ids, GFP_KERNEL)) {
-		dev_err(dev, "error allocating memory ids\n");
-		ret = -ENOMEM;
-		goto out_free_irq;
-	}
-
-	idr_get_new(&poch_ids, poch_dev, &id);
-	if (id >= MAX_POCH_CARDS) {
-		dev_err(dev, "minors exhausted\n");
-		ret = -EBUSY;
-		goto out_free_irq;
-	}
-
-	cdev_init(&poch_dev->cdev, &poch_fops);
-	poch_dev->cdev.owner = THIS_MODULE;
-	ret = cdev_add(&poch_dev->cdev,
-		       poch_first_dev + (id * poch_dev->nchannels),
-		       poch_dev->nchannels);
-	if (ret) {
-		dev_err(dev, "error register character device\n");
-		goto out_idr_remove;
-	}
-
-	ret = poch_class_dev_register(poch_dev, id);
-	if (ret)
-		goto out_cdev_del;
-
-	return 0;
-
- out_cdev_del:
-	cdev_del(&poch_dev->cdev);
- out_idr_remove:
-	idr_remove(&poch_ids, id);
- out_free_irq:
-	free_irq(pdev->irq, poch_dev);
- out_bar1_unmap:
-	iounmap(poch_dev->fpga_iomem);
- out_bar0_unmap:
-	iounmap(poch_dev->bridge_iomem);
- out_uio_unreg:
-	uio_unregister_device(uio);
- out_release:
-	pci_release_regions(pdev);
- out_disable:
-	pci_disable_device(pdev);
- out_free:
-	kfree(poch_dev);
-	return ret;
-}
-
-/*
- * FIXME: We are yet to handle the hot unplug case.
- */
-static void poch_pci_remove(struct pci_dev *pdev)
-{
-	struct poch_dev *poch_dev = pci_get_drvdata(pdev);
-	struct uio_info *uio = &poch_dev->uio;
-	unsigned int minor = MINOR(poch_dev->cdev.dev);
-	unsigned int id = minor / poch_dev->nchannels;
-
-	poch_class_dev_unregister(poch_dev, id);
-	cdev_del(&poch_dev->cdev);
-	idr_remove(&poch_ids, id);
-	free_irq(pdev->irq, poch_dev);
-	iounmap(poch_dev->fpga_iomem);
-	iounmap(poch_dev->bridge_iomem);
-	uio_unregister_device(uio);
-	pci_release_regions(pdev);
-	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
-	iounmap(uio->mem[0].internal_addr);
-
-	kfree(poch_dev);
-}
-
-static const struct pci_device_id poch_pci_ids[] /* __devinitconst */ = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_RRAPIDS,
-		     PCI_DEVICE_ID_RRAPIDS_POCKET_CHANGE) },
-	{ 0, }
-};
-
-static struct pci_driver poch_pci_driver = {
-	.name = DRV_NAME,
-	.id_table = poch_pci_ids,
-	.probe = poch_pci_probe,
-	.remove = poch_pci_remove,
-};
-
-static int __init poch_init_module(void)
-{
-	int ret = 0;
-
-	ret = alloc_chrdev_region(&poch_first_dev, 0,
-				  MAX_POCH_DEVICES, DRV_NAME);
-	if (ret) {
-		printk(KERN_ERR PFX "error allocating device no.");
-		return ret;
-	}
-
-	poch_cls = class_create(THIS_MODULE, "pocketchange");
-	if (IS_ERR(poch_cls)) {
-		ret = PTR_ERR(poch_cls);
-		goto out_unreg_chrdev;
-	}
-
-	ret = pci_register_driver(&poch_pci_driver);
-	if (ret) {
-		printk(KERN_ERR PFX "error register PCI device");
-		goto out_class_destroy;
-	}
-
-	return 0;
-
- out_class_destroy:
-	class_destroy(poch_cls);
-
- out_unreg_chrdev:
-	unregister_chrdev_region(poch_first_dev, MAX_POCH_DEVICES);
-
-	return ret;
-}
-
-static void __exit poch_exit_module(void)
-{
-	pci_unregister_driver(&poch_pci_driver);
-	class_destroy(poch_cls);
-	unregister_chrdev_region(poch_first_dev, MAX_POCH_DEVICES);
-}
-
-module_init(poch_init_module);
-module_exit(poch_exit_module);
-
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/poch/poch.h b/drivers/staging/poch/poch.h
deleted file mode 100644
index 8b08385861f..00000000000
--- a/drivers/staging/poch/poch.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * User-space DMA and UIO based Redrapids Pocket Change CardBus driver
- *
- * Copyright 2008 Vijay Kumar <vijaykumar@bravegnu.org>
- *
- * Part of userspace API. Should be moved to a header file in
- * include/linux for final version.
- *
- */
-
-#include <linux/types.h>
-
-struct poch_counters {
-	__u32 fifo_empty;
-	__u32 fifo_overflow;
-	__u32 pll_unlock;
-};
-
-struct poch_consume {
-	__u32 __user *offsets;
-	__u32 nfetch;
-	__u32 nflush;
-};
-
-#define POCH_IOC_NUM			'9'
-
-#define POCH_IOC_TRANSFER_START		_IO(POCH_IOC_NUM, 0)
-#define POCH_IOC_TRANSFER_STOP		_IO(POCH_IOC_NUM, 1)
-#define POCH_IOC_GET_COUNTERS		_IOR(POCH_IOC_NUM, 2, \
-					     struct poch_counters)
-#define POCH_IOC_SYNC_GROUP_FOR_USER	_IO(POCH_IOC_NUM, 3)
-#define POCH_IOC_SYNC_GROUP_FOR_DEVICE	_IO(POCH_IOC_NUM, 4)
-
-#define POCH_IOC_CONSUME		_IOWR(POCH_IOC_NUM, 5, \
-					      struct poch_consume)

From 173f3463804dbd583887de9871e85408942f90ee Mon Sep 17 00:00:00 2001
From: Hank Janssen <hjanssen@microsoft.com>
Date: Thu, 4 Mar 2010 17:46:28 +0000
Subject: [PATCH 0826/3638] staging: hv: Remove Ringbuffer from TODO line

Remove Ringbuffer work line item from TODO file.

The ring buffer in the Hyper-V Linux drivers is used to communicate with
the parent partition running Windows Server 2008 Hyper-V. The ring
buffer functionality on the Hyper-V Linux drivers is written to be
functionally compatible with the ring buffer functionality on the
Hyper-V Server. Consequently, it is not possible to make any changes
that might break the compatibility with server side ring buffer
implementation.

Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/TODO | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/hv/TODO b/drivers/staging/hv/TODO
index dbfbde937a6..efe8ce90ff4 100644
--- a/drivers/staging/hv/TODO
+++ b/drivers/staging/hv/TODO
@@ -1,7 +1,6 @@
 TODO:
 	- fix remaining checkpatch warnings and errors
 	- use of /** when it is not a kerneldoc header
-	- remove RingBuffer.c to us in-kernel ringbuffer functions instead.
 	- audit the vmbus to verify it is working properly with the
 	  driver model
 	- convert vmbus driver interface function pointer tables

From 3e18951955797872558dad615851a4ca63b2770e Mon Sep 17 00:00:00 2001
From: Hank Janssen <hjanssen@microsoft.com>
Date: Thu, 4 Mar 2010 22:11:00 +0000
Subject: [PATCH 0827/3638] staging: hv: Corrected all header comment formats
 kernel-doc format

Removed kerneldoc /** from functions that should not have them.
Added proper kerneldoc headers to functions that should have them.

This includes fixes as pointed out by Randy Dunlap and Joe Perches.

Cc: Joe Perches <joe@perches.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c     | 49 +++++++++++----------
 drivers/staging/hv/ChannelMgmt.c | 33 +++++++-------
 drivers/staging/hv/Connection.c  | 14 +++---
 drivers/staging/hv/Hv.c          | 18 ++++----
 drivers/staging/hv/NetVsc.c      |  8 ++--
 drivers/staging/hv/StorVsc.c     | 10 ++---
 drivers/staging/hv/TODO          |  1 -
 drivers/staging/hv/Vmbus.c       | 26 +++++------
 drivers/staging/hv/VmbusApi.h    | 18 ++++++++
 drivers/staging/hv/blkvsc_drv.c  |  6 +--
 drivers/staging/hv/netvsc_drv.c  |  7 +--
 drivers/staging/hv/osd.c         | 70 ++++++++++++++++++++++++++++++
 drivers/staging/hv/storvsc_drv.c | 14 +++---
 drivers/staging/hv/vmbus_drv.c   | 74 +++++++++++++++++++++-----------
 14 files changed, 234 insertions(+), 114 deletions(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index e69e9ee704a..328d3a0d0bd 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -65,8 +65,9 @@ static void DumpMonitorPage(struct hv_monitor_page *MonitorPage)
 }
 #endif
 
-/**
- * VmbusChannelSetEvent - Trigger an event notification on the specified channel.
+/*
+ * VmbusChannelSetEvent - Trigger an event notification on the specified
+ * channel.
  */
 static void VmbusChannelSetEvent(struct vmbus_channel *Channel)
 {
@@ -120,7 +121,7 @@ static void VmbusChannelClearEvent(struct vmbus_channel *channel)
 }
 
 #endif
-/**
+/*
  * VmbusChannelGetDebugInfo -Retrieve various channel debug info
  */
 void VmbusChannelGetDebugInfo(struct vmbus_channel *Channel,
@@ -165,7 +166,7 @@ void VmbusChannelGetDebugInfo(struct vmbus_channel *Channel,
 	RingBufferGetDebugInfo(&Channel->Outbound, &DebugInfo->Outbound);
 }
 
-/**
+/*
  * VmbusChannelOpen - Open the specified channel.
  */
 int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
@@ -283,8 +284,9 @@ Cleanup:
 	return 0;
 }
 
-/**
- * DumpGpadlBody - Dump the gpadl body message to the console for debugging purposes.
+/*
+ * DumpGpadlBody - Dump the gpadl body message to the console for
+ * debugging purposes.
  */
 static void DumpGpadlBody(struct vmbus_channel_gpadl_body *Gpadl, u32 Len)
 {
@@ -300,8 +302,9 @@ static void DumpGpadlBody(struct vmbus_channel_gpadl_body *Gpadl, u32 Len)
 			   i, Gpadl->Pfn[i]);
 }
 
-/**
- * DumpGpadlHeader - Dump the gpadl header message to the console for debugging purposes.
+/*
+ * DumpGpadlHeader - Dump the gpadl header message to the console for
+ * debugging purposes.
  */
 static void DumpGpadlHeader(struct vmbus_channel_gpadl_header *Gpadl)
 {
@@ -325,7 +328,7 @@ static void DumpGpadlHeader(struct vmbus_channel_gpadl_header *Gpadl)
 	}
 }
 
-/**
+/*
  * VmbusChannelCreateGpadlHeader - Creates a gpadl for the specified buffer
  */
 static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
@@ -441,7 +444,7 @@ static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
 	return 0;
 }
 
-/**
+/*
  * VmbusChannelEstablishGpadl - Estabish a GPADL for the specified buffer
  *
  * @Channel: a channel
@@ -545,7 +548,7 @@ Cleanup:
 	return ret;
 }
 
-/**
+/*
  * VmbusChannelTeardownGpadl -Teardown the specified GPADL handle
  */
 int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle)
@@ -598,7 +601,7 @@ int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle)
 	return ret;
 }
 
-/**
+/*
  * VmbusChannelClose - Close the specified channel
  */
 void VmbusChannelClose(struct vmbus_channel *Channel)
@@ -663,7 +666,7 @@ void VmbusChannelClose(struct vmbus_channel *Channel)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelSendPacket - Send the specified buffer on the given channel
  */
 int VmbusChannelSendPacket(struct vmbus_channel *Channel, const void *Buffer,
@@ -709,8 +712,9 @@ int VmbusChannelSendPacket(struct vmbus_channel *Channel, const void *Buffer,
 	return ret;
 }
 
-/**
- * VmbusChannelSendPacketPageBuffer - Send a range of single-page buffer packets using a GPADL Direct packet type.
+/*
+ * VmbusChannelSendPacketPageBuffer - Send a range of single-page buffer
+ * packets using a GPADL Direct packet type.
  */
 int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *Channel,
 				     struct hv_page_buffer PageBuffers[],
@@ -774,8 +778,9 @@ int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *Channel,
 	return ret;
 }
 
-/**
- * VmbusChannelSendPacketMultiPageBuffer - Send a multi-page buffer packet using a GPADL Direct packet type.
+/*
+ * VmbusChannelSendPacketMultiPageBuffer - Send a multi-page buffer packet
+ * using a GPADL Direct packet type.
  */
 int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *Channel,
 				struct hv_multipage_buffer *MultiPageBuffer,
@@ -843,7 +848,7 @@ int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *Channel,
 	return ret;
 }
 
-/**
+/*
  * VmbusChannelRecvPacket - Retrieve the user packet on the specified channel
  */
 /* TODO: Do we ever receive a gpa direct packet other than the ones we send ? */
@@ -909,7 +914,7 @@ int VmbusChannelRecvPacket(struct vmbus_channel *Channel, void *Buffer,
 	return 0;
 }
 
-/**
+/*
  * VmbusChannelRecvPacketRaw - Retrieve the raw packet on the specified channel
  */
 int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel, void *Buffer,
@@ -972,7 +977,7 @@ int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel, void *Buffer,
 	return 0;
 }
 
-/**
+/*
  * VmbusChannelOnChannelEvent - Channel event callback
  */
 void VmbusChannelOnChannelEvent(struct vmbus_channel *Channel)
@@ -985,7 +990,7 @@ void VmbusChannelOnChannelEvent(struct vmbus_channel *Channel)
 	mod_timer(&Channel->poll_timer, jiffies + usecs_to_jiffies(100));
 }
 
-/**
+/*
  * VmbusChannelOnTimer - Timer event callback
  */
 void VmbusChannelOnTimer(unsigned long data)
@@ -996,7 +1001,7 @@ void VmbusChannelOnTimer(unsigned long data)
 		channel->OnChannelCallback(channel->ChannelCallbackContext);
 }
 
-/**
+/*
  * DumpVmbusChannel - Dump vmbus channel info to the console
  */
 static void DumpVmbusChannel(struct vmbus_channel *Channel)
diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/ChannelMgmt.c
index 5f92c2102ab..43f28f23c31 100644
--- a/drivers/staging/hv/ChannelMgmt.c
+++ b/drivers/staging/hv/ChannelMgmt.c
@@ -71,7 +71,7 @@ static const struct hv_guid
 	},
 };
 
-/**
+/*
  * AllocVmbusChannel - Allocate and initialize a vmbus channel object
  */
 struct vmbus_channel *AllocVmbusChannel(void)
@@ -97,7 +97,7 @@ struct vmbus_channel *AllocVmbusChannel(void)
 	return channel;
 }
 
-/**
+/*
  * ReleaseVmbusChannel - Release the vmbus channel object itself
  */
 static inline void ReleaseVmbusChannel(void *context)
@@ -115,7 +115,7 @@ static inline void ReleaseVmbusChannel(void *context)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * FreeVmbusChannel - Release the resources used by the vmbus channel object
  */
 void FreeVmbusChannel(struct vmbus_channel *Channel)
@@ -131,7 +131,7 @@ void FreeVmbusChannel(struct vmbus_channel *Channel)
 			      Channel);
 }
 
-/**
+/*
  * VmbusChannelProcessOffer - Process the offer by creating a channel/device associated with this offer
  */
 static void VmbusChannelProcessOffer(void *context)
@@ -213,7 +213,7 @@ static void VmbusChannelProcessOffer(void *context)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelProcessRescindOffer - Rescind the offer by initiating a device removal
  */
 static void VmbusChannelProcessRescindOffer(void *context)
@@ -225,7 +225,7 @@ static void VmbusChannelProcessRescindOffer(void *context)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelOnOffer - Handler for channel offers from vmbus in parent partition.
  *
  * We ignore all offers except network and storage offers. For each network and
@@ -308,7 +308,7 @@ static void VmbusChannelOnOffer(struct vmbus_channel_message_header *hdr)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelOnOfferRescind - Rescind offer handler.
  *
  * We queue a work item to process this offer synchronously
@@ -335,7 +335,7 @@ static void VmbusChannelOnOfferRescind(struct vmbus_channel_message_header *hdr)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelOnOffersDelivered - This is invoked when all offers have been delivered.
  *
  * Nothing to do here.
@@ -347,7 +347,7 @@ static void VmbusChannelOnOffersDelivered(
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelOnOpenResult - Open result handler.
  *
  * This is invoked when we received a response to our channel open request.
@@ -395,7 +395,7 @@ static void VmbusChannelOnOpenResult(struct vmbus_channel_message_header *hdr)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelOnGpadlCreated - GPADL created handler.
  *
  * This is invoked when we received a response to our gpadl create request.
@@ -447,7 +447,7 @@ static void VmbusChannelOnGpadlCreated(struct vmbus_channel_message_header *hdr)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelOnGpadlTorndown - GPADL torndown handler.
  *
  * This is invoked when we received a response to our gpadl teardown request.
@@ -495,7 +495,7 @@ static void VmbusChannelOnGpadlTorndown(
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelOnVersionResponse - Version response handler
  *
  * This is invoked when we received a response to our initiate contact request.
@@ -558,7 +558,7 @@ static struct vmbus_channel_message_table_entry
 	{ChannelMessageUnload,			NULL},
 };
 
-/**
+/*
  * VmbusOnChannelMessage - Handler for channel protocol messages.
  *
  * This is invoked in the vmbus worker thread context.
@@ -597,7 +597,7 @@ void VmbusOnChannelMessage(void *Context)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusChannelRequestOffers - Send a request to get all our pending offers.
  */
 int VmbusChannelRequestOffers(void)
@@ -651,8 +651,9 @@ Cleanup:
 	return ret;
 }
 
-/**
- * VmbusChannelReleaseUnattachedChannels - Release channels that are unattached/unconnected ie (no drivers associated)
+/*
+ * VmbusChannelReleaseUnattachedChannels - Release channels that are
+ * unattached/unconnected ie (no drivers associated)
  */
 void VmbusChannelReleaseUnattachedChannels(void)
 {
diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c
index e0ea9cf90f0..cf9c416e4b1 100644
--- a/drivers/staging/hv/Connection.c
+++ b/drivers/staging/hv/Connection.c
@@ -34,7 +34,7 @@ struct VMBUS_CONNECTION gVmbusConnection = {
 	.NextGpadlHandle	= ATOMIC_INIT(0xE1E10),
 };
 
-/**
+/*
  * VmbusConnect - Sends a connect request on the partition service connection
  */
 int VmbusConnect(void)
@@ -180,7 +180,7 @@ Cleanup:
 	return ret;
 }
 
-/**
+/*
  * VmbusDisconnect - Sends a disconnect request on the partition service connection
  */
 int VmbusDisconnect(void)
@@ -218,7 +218,7 @@ Cleanup:
 	return ret;
 }
 
-/**
+/*
  * GetChannelFromRelId - Get the channel object given its child relative id (ie channel id)
  */
 struct vmbus_channel *GetChannelFromRelId(u32 relId)
@@ -239,7 +239,7 @@ struct vmbus_channel *GetChannelFromRelId(u32 relId)
 	return foundChannel;
 }
 
-/**
+/*
  * VmbusProcessChannelEvent - Process a channel event notification
  */
 static void VmbusProcessChannelEvent(void *context)
@@ -267,7 +267,7 @@ static void VmbusProcessChannelEvent(void *context)
 	}
 }
 
-/**
+/*
  * VmbusOnEvents - Handler for events
  */
 void VmbusOnEvents(void)
@@ -308,7 +308,7 @@ void VmbusOnEvents(void)
 	return;
 }
 
-/**
+/*
  * VmbusPostMessage - Send a msg on the vmbus's message connection
  */
 int VmbusPostMessage(void *buffer, size_t bufferLen)
@@ -320,7 +320,7 @@ int VmbusPostMessage(void *buffer, size_t bufferLen)
 	return HvPostMessage(connId, 1, buffer, bufferLen);
 }
 
-/**
+/*
  * VmbusSetEvent - Send an event notification to the parent
  */
 int VmbusSetEvent(u32 childRelId)
diff --git a/drivers/staging/hv/Hv.c b/drivers/staging/hv/Hv.c
index 5d53889fb4a..bfcb75008bf 100644
--- a/drivers/staging/hv/Hv.c
+++ b/drivers/staging/hv/Hv.c
@@ -35,7 +35,7 @@ struct hv_context gHvContext = {
 	.SignalEventBuffer	= NULL,
 };
 
-/**
+/*
  * HvQueryHypervisorPresence - Query the cpuid for presense of windows hypervisor
  */
 static int HvQueryHypervisorPresence(void)
@@ -56,7 +56,7 @@ static int HvQueryHypervisorPresence(void)
 	return ecx & HV_PRESENT_BIT;
 }
 
-/**
+/*
  * HvQueryHypervisorInfo - Get version info of the windows hypervisor
  */
 static int HvQueryHypervisorInfo(void)
@@ -125,7 +125,7 @@ static int HvQueryHypervisorInfo(void)
 	return maxLeaf;
 }
 
-/**
+/*
  * HvDoHypercall - Invoke the specified hypercall
  */
 static u64 HvDoHypercall(u64 Control, void *Input, void *Output)
@@ -180,7 +180,7 @@ static u64 HvDoHypercall(u64 Control, void *Input, void *Output)
 #endif /* !x86_64 */
 }
 
-/**
+/*
  * HvInit - Main initialization routine.
  *
  * This routine must be called before any other routines in here are called
@@ -294,7 +294,7 @@ Cleanup:
 	return ret;
 }
 
-/**
+/*
  * HvCleanup - Cleanup routine.
  *
  * This routine is called normally during driver unloading or exiting.
@@ -321,7 +321,7 @@ void HvCleanup(void)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * HvPostMessage - Post a message using the hypervisor message IPC.
  *
  * This involves a hypercall.
@@ -362,7 +362,7 @@ u16 HvPostMessage(union hv_connection_id connectionId,
 }
 
 
-/**
+/*
  * HvSignalEvent - Signal an event on the specified connection using the hypervisor event IPC.
  *
  * This involves a hypercall.
@@ -376,7 +376,7 @@ u16 HvSignalEvent(void)
 	return status;
 }
 
-/**
+/*
  * HvSynicInit - Initialize the Synthethic Interrupt Controller.
  *
  * If it is already initialized by another entity (ie x2v shim), we need to
@@ -482,7 +482,7 @@ Cleanup:
 	return;
 }
 
-/**
+/*
  * HvSynicCleanup - Cleanup routine for HvSynicInit().
  */
 void HvSynicCleanup(void *arg)
diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index e4bf8229750..e1ca343119d 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -167,7 +167,7 @@ static struct netvsc_device *ReleaseInboundNetDevice(struct hv_device *Device)
 	return netDevice;
 }
 
-/**
+/*
  * NetVscInitialize - Main entry point
  */
 int NetVscInitialize(struct hv_driver *drv)
@@ -705,7 +705,7 @@ static void NetVscDisconnectFromVsp(struct netvsc_device *NetDevice)
 	DPRINT_EXIT(NETVSC);
 }
 
-/**
+/*
  * NetVscOnDeviceAdd - Callback when the device belonging to this driver is added
  */
 static int NetVscOnDeviceAdd(struct hv_device *Device, void *AdditionalInfo)
@@ -807,7 +807,7 @@ Cleanup:
 	return ret;
 }
 
-/**
+/*
  * NetVscOnDeviceRemove - Callback when the root bus device is removed
  */
 static int NetVscOnDeviceRemove(struct hv_device *Device)
@@ -864,7 +864,7 @@ static int NetVscOnDeviceRemove(struct hv_device *Device)
 	return 0;
 }
 
-/**
+/*
  * NetVscOnCleanup - Perform any cleanup when the driver is removed
  */
 static void NetVscOnCleanup(struct hv_driver *drv)
diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/StorVsc.c
index e426a23ca53..3592ba2a44b 100644
--- a/drivers/staging/hv/StorVsc.c
+++ b/drivers/staging/hv/StorVsc.c
@@ -533,7 +533,7 @@ static int StorVscConnectToVsp(struct hv_device *Device)
 	return ret;
 }
 
-/**
+/*
  * StorVscOnDeviceAdd - Callback when the device belonging to this driver is added
  */
 static int StorVscOnDeviceAdd(struct hv_device *Device, void *AdditionalInfo)
@@ -585,7 +585,7 @@ Cleanup:
 	return ret;
 }
 
-/**
+/*
  * StorVscOnDeviceRemove - Callback when the our device is being removed
  */
 static int StorVscOnDeviceRemove(struct hv_device *Device)
@@ -683,7 +683,7 @@ Cleanup:
 	return ret;
 }
 
-/**
+/*
  * StorVscOnIORequest - Callback to initiate an I/O request
  */
 static int StorVscOnIORequest(struct hv_device *Device,
@@ -783,7 +783,7 @@ static int StorVscOnIORequest(struct hv_device *Device,
 	return ret;
 }
 
-/**
+/*
  * StorVscOnCleanup - Perform any cleanup when the driver is removed
  */
 static void StorVscOnCleanup(struct hv_driver *Driver)
@@ -792,7 +792,7 @@ static void StorVscOnCleanup(struct hv_driver *Driver)
 	DPRINT_EXIT(STORVSC);
 }
 
-/**
+/*
  * StorVscInitialize - Main entry point
  */
 int StorVscInitialize(struct hv_driver *Driver)
diff --git a/drivers/staging/hv/TODO b/drivers/staging/hv/TODO
index efe8ce90ff4..01d4bd052cf 100644
--- a/drivers/staging/hv/TODO
+++ b/drivers/staging/hv/TODO
@@ -1,6 +1,5 @@
 TODO:
 	- fix remaining checkpatch warnings and errors
-	- use of /** when it is not a kerneldoc header
 	- audit the vmbus to verify it is working properly with the
 	  driver model
 	- convert vmbus driver interface function pointer tables
diff --git a/drivers/staging/hv/Vmbus.c b/drivers/staging/hv/Vmbus.c
index 2f84bf7c0a9..90b14beec3a 100644
--- a/drivers/staging/hv/Vmbus.c
+++ b/drivers/staging/hv/Vmbus.c
@@ -52,7 +52,7 @@ static const struct hv_guid gVmbusDeviceId = {
 static struct hv_driver *gDriver; /* vmbus driver object */
 static struct hv_device *gDevice; /* vmbus root device */
 
-/**
+/*
  * VmbusGetChannelOffers - Retrieve the channel offers from the parent partition
  */
 static void VmbusGetChannelOffers(void)
@@ -62,7 +62,7 @@ static void VmbusGetChannelOffers(void)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusGetChannelInterface - Get the channel interface
  */
 static void VmbusGetChannelInterface(struct vmbus_channel_interface *Interface)
@@ -70,7 +70,7 @@ static void VmbusGetChannelInterface(struct vmbus_channel_interface *Interface)
 	GetChannelInterface(Interface);
 }
 
-/**
+/*
  * VmbusGetChannelInfo - Get the device info for the specified device object
  */
 static void VmbusGetChannelInfo(struct hv_device *DeviceObject,
@@ -79,7 +79,7 @@ static void VmbusGetChannelInfo(struct hv_device *DeviceObject,
 	GetChannelInfo(DeviceObject, DeviceInfo);
 }
 
-/**
+/*
  * VmbusCreateChildDevice - Creates the child device on the bus that represents the channel offer
  */
 struct hv_device *VmbusChildDeviceCreate(struct hv_guid *DeviceType,
@@ -92,7 +92,7 @@ struct hv_device *VmbusChildDeviceCreate(struct hv_guid *DeviceType,
 						Context);
 }
 
-/**
+/*
  * VmbusChildDeviceAdd - Registers the child device with the vmbus
  */
 int VmbusChildDeviceAdd(struct hv_device *ChildDevice)
@@ -102,7 +102,7 @@ int VmbusChildDeviceAdd(struct hv_device *ChildDevice)
 	return vmbusDriver->OnChildDeviceAdd(gDevice, ChildDevice);
 }
 
-/**
+/*
  * VmbusChildDeviceRemove Unregisters the child device from the vmbus
  */
 void VmbusChildDeviceRemove(struct hv_device *ChildDevice)
@@ -112,7 +112,7 @@ void VmbusChildDeviceRemove(struct hv_device *ChildDevice)
 	vmbusDriver->OnChildDeviceRemove(ChildDevice);
 }
 
-/**
+/*
  * VmbusOnDeviceAdd - Callback when the root bus device is added
  */
 static int VmbusOnDeviceAdd(struct hv_device *dev, void *AdditionalInfo)
@@ -141,7 +141,7 @@ static int VmbusOnDeviceAdd(struct hv_device *dev, void *AdditionalInfo)
 	return ret;
 }
 
-/**
+/*
  * VmbusOnDeviceRemove - Callback when the root bus device is removed
  */
 static int VmbusOnDeviceRemove(struct hv_device *dev)
@@ -157,7 +157,7 @@ static int VmbusOnDeviceRemove(struct hv_device *dev)
 	return ret;
 }
 
-/**
+/*
  * VmbusOnCleanup - Perform any cleanup when the driver is removed
  */
 static void VmbusOnCleanup(struct hv_driver *drv)
@@ -169,7 +169,7 @@ static void VmbusOnCleanup(struct hv_driver *drv)
 	DPRINT_EXIT(VMBUS);
 }
 
-/**
+/*
  * VmbusOnMsgDPC - DPC routine to handle messages from the hypervisior
  */
 static void VmbusOnMsgDPC(struct hv_driver *drv)
@@ -217,7 +217,7 @@ static void VmbusOnMsgDPC(struct hv_driver *drv)
 	}
 }
 
-/**
+/*
  * VmbusOnEventDPC - DPC routine to handle events from the hypervisior
  */
 static void VmbusOnEventDPC(struct hv_driver *drv)
@@ -226,7 +226,7 @@ static void VmbusOnEventDPC(struct hv_driver *drv)
 	VmbusOnEvents();
 }
 
-/**
+/*
  * VmbusOnISR - ISR routine
  */
 static int VmbusOnISR(struct hv_driver *drv)
@@ -264,7 +264,7 @@ static int VmbusOnISR(struct hv_driver *drv)
 	return ret;
 }
 
-/**
+/*
  * VmbusInitialize - Main entry point
  */
 int VmbusInitialize(struct hv_driver *drv)
diff --git a/drivers/staging/hv/VmbusApi.h b/drivers/staging/hv/VmbusApi.h
index d089bb193e7..4275be3292c 100644
--- a/drivers/staging/hv/VmbusApi.h
+++ b/drivers/staging/hv/VmbusApi.h
@@ -84,6 +84,24 @@ struct hv_device_info {
 	struct hv_dev_port_info Outbound;
 };
 
+/**
+ * struct vmbus_channel_interface - Contains member functions for vmbus channel
+ * @Open:      Open the channel
+ * @Close:     Close the channel
+ * @SendPacket:        Send a packet over the channel
+ * @SendPacketPageBuffer:      Send a single page buffer over the channel
+ * @SendPacketMultiPageBuffer: Send a multiple page buffers
+ * @RecvPacket:        Receive packet
+ * @RecvPacketRaw:     Receive Raw packet
+ * @EstablishGpadl:    Set up GPADL for ringbuffer
+ * @TeardownGpadl:     Teardown GPADL for ringbuffer
+ * @GetInfo:   Get info about the channel
+ *
+ * This structure contains function pointer to control vmbus channel
+ * behavior. None of these functions is externally callable, but they
+ * are used for normal vmbus channel internal behavior.
+ * Only used by Hyper-V drivers.
+ */
 struct vmbus_channel_interface {
 	int (*Open)(struct hv_device *Device, u32 SendBufferSize,
 		    u32 RecvRingBufferSize, void *UserData, u32 UserDataLen,
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 8f1fda3256a..e80cae78b26 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -165,7 +165,7 @@ static struct block_device_operations block_ops = {
 	.ioctl  = blkvsc_ioctl,
 };
 
-/**
+/*
  * blkvsc_drv_init -  BlkVsc driver initialization.
  */
 static int blkvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
@@ -245,7 +245,7 @@ static void blkvsc_drv_exit(void)
 	return;
 }
 
-/**
+/*
  * blkvsc_probe - Add a new device for this driver
  */
 static int blkvsc_probe(struct device *device)
@@ -733,7 +733,7 @@ static int blkvsc_do_read_capacity16(struct block_device_context *blkdev)
 	return 0;
 }
 
-/**
+/*
  * blkvsc_remove() - Callback when our device is removed
  */
 static int blkvsc_remove(struct device *device)
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 2ccb6b93fe4..5ed6e6e7db6 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -266,7 +266,7 @@ retry_send:
 	return ret;
 }
 
-/**
+/*
  * netvsc_linkstatus_callback - Link up/down notification
  */
 static void netvsc_linkstatus_callback(struct hv_device *device_obj,
@@ -293,8 +293,9 @@ static void netvsc_linkstatus_callback(struct hv_device *device_obj,
 	DPRINT_EXIT(NETVSC_DRV);
 }
 
-/**
- * netvsc_recv_callback -  Callback when we receive a packet from the "wire" on the specified device.
+/*
+ * netvsc_recv_callback -  Callback when we receive a packet from the
+ * "wire" on the specified device.
  */
 static int netvsc_recv_callback(struct hv_device *device_obj,
 				struct hv_netvsc_packet *packet)
diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c
index 9aea3106729..8c3eb278a81 100644
--- a/drivers/staging/hv/osd.c
+++ b/drivers/staging/hv/osd.c
@@ -59,6 +59,15 @@ void *osd_VirtualAllocExec(unsigned int size)
 #endif
 }
 
+/**
+ * osd_PageAlloc() - Allocate pages
+ * @count:      Total number of Kernel pages you want to allocate
+ *
+ * Tries to allocate @count number of consecutive free kernel pages.
+ * And if successful, it will set the pages to 0 before returning.
+ * If successfull it will return pointer to the @count pages.
+ * Mainly used by Hyper-V drivers.
+ */
 void *osd_PageAlloc(unsigned int count)
 {
 	void *p;
@@ -78,6 +87,14 @@ void *osd_PageAlloc(unsigned int count)
 }
 EXPORT_SYMBOL_GPL(osd_PageAlloc);
 
+/**
+ * osd_PageFree() - Free pages
+ * @page:       Pointer to the first page to be freed
+ * @count:      Total number of Kernel pages you free
+ *
+ * Frees the pages allocated by osd_PageAlloc()
+ * Mainly used by Hyper-V drivers.
+ */
 void osd_PageFree(void *page, unsigned int count)
 {
 	free_pages((unsigned long)page, get_order(count * PAGE_SIZE));
@@ -86,6 +103,17 @@ void osd_PageFree(void *page, unsigned int count)
 }
 EXPORT_SYMBOL_GPL(osd_PageFree);
 
+/**
+ * osd_WaitEventCreate() - Create the event queue
+ *
+ * Allocates memory for a &struct osd_waitevent. And then calls
+ * init_waitqueue_head to set up the wait queue for the event.
+ * This structure is usually part of a another structure that contains
+ * the actual Hyper-V device driver structure.
+ *
+ * Returns pointer to &struct osd_waitevent
+ * Mainly used by Hyper-V drivers.
+ */
 struct osd_waitevent *osd_WaitEventCreate(void)
 {
 	struct osd_waitevent *wait = kmalloc(sizeof(struct osd_waitevent),
@@ -99,6 +127,19 @@ struct osd_waitevent *osd_WaitEventCreate(void)
 }
 EXPORT_SYMBOL_GPL(osd_WaitEventCreate);
 
+
+/**
+ * osd_WaitEventSet() - Wake up the process
+ * @waitEvent: Structure to event to be woken up
+ *
+ * @waitevent is of type &struct osd_waitevent
+ *
+ * Wake up the sleeping process so it can do some work.
+ * And set condition indicator in &struct osd_waitevent to indicate
+ * the process is in a woken state.
+ *
+ * Only used by Network and Storage Hyper-V drivers.
+ */
 void osd_WaitEventSet(struct osd_waitevent *waitEvent)
 {
 	waitEvent->condition = 1;
@@ -106,6 +147,20 @@ void osd_WaitEventSet(struct osd_waitevent *waitEvent)
 }
 EXPORT_SYMBOL_GPL(osd_WaitEventSet);
 
+/**
+ * osd_WaitEventWait() - Wait for event till condition is true
+ * @waitEvent: Structure to event to be put to sleep
+ *
+ * @waitevent is of type &struct osd_waitevent
+ *
+ * Set up the process to sleep until waitEvent->condition get true.
+ * And set condition indicator in &struct osd_waitevent to indicate
+ * the process is in a sleeping state.
+ *
+ * Returns the status of 'wait_event_interruptible()' system call
+ *
+ * Mainly used by Hyper-V drivers.
+ */
 int osd_WaitEventWait(struct osd_waitevent *waitEvent)
 {
 	int ret = 0;
@@ -117,6 +172,21 @@ int osd_WaitEventWait(struct osd_waitevent *waitEvent)
 }
 EXPORT_SYMBOL_GPL(osd_WaitEventWait);
 
+/**
+ * osd_WaitEventWaitEx() - Wait for event or timeout for process wakeup
+ * @waitEvent: Structure to event to be put to sleep
+ * @TimeoutInMs:       Total number of Milliseconds to wait before waking up
+ *
+ * @waitevent is of type &struct osd_waitevent
+ * Set up the process to sleep until @waitEvent->condition get true or
+ * @TimeoutInMs (Time out in Milliseconds) has been reached.
+ * And set condition indicator in &struct osd_waitevent to indicate
+ * the process is in a sleeping state.
+ *
+ * Returns the status of 'wait_event_interruptible_timeout()' system call
+ *
+ * Mainly used by Hyper-V drivers.
+ */
 int osd_WaitEventWaitEx(struct osd_waitevent *waitEvent, u32 TimeoutInMs)
 {
 	int ret = 0;
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 8a58272b803..63360b27f5c 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -130,7 +130,7 @@ static struct scsi_host_template scsi_driver = {
 };
 
 
-/**
+/*
  * storvsc_drv_init - StorVsc driver initialization.
  */
 static int storvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
@@ -223,7 +223,7 @@ static void storvsc_drv_exit(void)
 	return;
 }
 
-/**
+/*
  * storvsc_probe - Add a new device for this driver
  */
 static int storvsc_probe(struct device *device)
@@ -319,7 +319,7 @@ static int storvsc_probe(struct device *device)
 	return ret;
 }
 
-/**
+/*
  * storvsc_remove - Callback when our device is removed
  */
 static int storvsc_remove(struct device *device)
@@ -372,7 +372,7 @@ static int storvsc_remove(struct device *device)
 	return ret;
 }
 
-/**
+/*
  * storvsc_commmand_completion - Command completion processing
  */
 static void storvsc_commmand_completion(struct hv_storvsc_request *request)
@@ -623,7 +623,7 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
 	return total_copied;
 }
 
-/**
+/*
  * storvsc_queuecommand - Initiate command processing
  */
 static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
@@ -824,7 +824,7 @@ static int storvsc_merge_bvec(struct request_queue *q,
 	return bvec->bv_len;
 }
 
-/**
+/*
  * storvsc_device_configure - Configure the specified scsi device
  */
 static int storvsc_device_alloc(struct scsi_device *sdevice)
@@ -863,7 +863,7 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
 	return 0;
 }
 
-/**
+/*
  * storvsc_host_reset_handler - Reset the scsi HBA
  */
 static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index 3397ef08e0a..2ff61b86201 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -129,7 +129,7 @@ static struct vmbus_driver_context g_vmbus_drv = {
 	.bus.dev_attrs =	vmbus_device_attrs,
 };
 
-/**
+/*
  * vmbus_show_device_attr - Show the device attribute in sysfs.
  *
  * This is invoked when user does a
@@ -233,7 +233,7 @@ static ssize_t vmbus_show_device_attr(struct device *dev,
 	}
 }
 
-/**
+/*
  * vmbus_bus_init -Main vmbus driver initialization routine.
  *
  * Here, we
@@ -362,7 +362,7 @@ cleanup:
 	return ret;
 }
 
-/**
+/*
  * vmbus_bus_exit - Terminate the vmbus driver.
  *
  * This routine is opposite of vmbus_bus_init()
@@ -398,8 +398,18 @@ static void vmbus_bus_exit(void)
 	return;
 }
 
+
 /**
- * vmbus_child_driver_register - Register a vmbus's child driver
+ * vmbus_child_driver_register() - Register a vmbus's child driver
+ * @driver_ctx:        Pointer to driver structure you want to register
+ *
+ * @driver_ctx is of type &struct driver_context
+ *
+ * Registers the given driver with Linux through the 'driver_register()' call
+ * And sets up the hyper-v vmbus handling for this driver.
+ * It will return the state of the 'driver_register()' call.
+ *
+ * Mainly used by Hyper-V drivers.
  */
 int vmbus_child_driver_register(struct driver_context *driver_ctx)
 {
@@ -425,7 +435,15 @@ int vmbus_child_driver_register(struct driver_context *driver_ctx)
 EXPORT_SYMBOL(vmbus_child_driver_register);
 
 /**
- * vmbus_child_driver_unregister Unregister a vmbus's child driver
+ * vmbus_child_driver_unregister() - Unregister a vmbus's child driver
+ * @driver_ctx:        Pointer to driver structure you want to un-register
+ *
+ * @driver_ctx is of type &struct driver_context
+ *
+ * Un-register the given driver with Linux through the 'driver_unregister()'
+ * call. And ungegisters the driver from the Hyper-V vmbus handler.
+ *
+ * Mainly used by Hyper-V drivers.
  */
 void vmbus_child_driver_unregister(struct driver_context *driver_ctx)
 {
@@ -443,9 +461,15 @@ void vmbus_child_driver_unregister(struct driver_context *driver_ctx)
 EXPORT_SYMBOL(vmbus_child_driver_unregister);
 
 /**
- * vmbus_get_interface - Get the vmbus channel interface.
+ * vmbus_get_interface() - Get the vmbus channel interface.
+ * @interface: Pointer to channel interface structure
  *
- * This is invoked by child/client driver that sits above vmbus
+ * Get the Hyper-V channel used for the driver.
+ *
+ * @interface is of type &struct vmbus_channel_interface
+ * This is invoked by child/client driver that sits above vmbus.
+ *
+ * Mainly used by Hyper-V drivers.
  */
 void vmbus_get_interface(struct vmbus_channel_interface *interface)
 {
@@ -455,7 +479,7 @@ void vmbus_get_interface(struct vmbus_channel_interface *interface)
 }
 EXPORT_SYMBOL(vmbus_get_interface);
 
-/**
+/*
  * vmbus_child_device_get_info - Get the vmbus child device info.
  *
  * This is invoked to display various device attributes in sysfs.
@@ -468,8 +492,9 @@ static void vmbus_child_device_get_info(struct hv_device *device_obj,
 	vmbus_drv_obj->GetChannelInfo(device_obj, device_info);
 }
 
-/**
- * vmbus_child_device_create - Creates and registers a new child device on the vmbus.
+/*
+ * vmbus_child_device_create - Creates and registers a new child device
+ * on the vmbus.
  */
 static struct hv_device *vmbus_child_device_create(struct hv_guid *type,
 						   struct hv_guid *instance,
@@ -523,7 +548,7 @@ static struct hv_device *vmbus_child_device_create(struct hv_guid *type,
 	return child_device_obj;
 }
 
-/**
+/*
  * vmbus_child_device_register - Register the child device on the specified bus
  */
 static int vmbus_child_device_register(struct hv_device *root_device_obj,
@@ -571,8 +596,9 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj,
 	return ret;
 }
 
-/**
- * vmbus_child_device_unregister - Remove the specified child device from the vmbus.
+/*
+ * vmbus_child_device_unregister - Remove the specified child device
+ * from the vmbus.
  */
 static void vmbus_child_device_unregister(struct hv_device *device_obj)
 {
@@ -595,7 +621,7 @@ static void vmbus_child_device_unregister(struct hv_device *device_obj)
 	DPRINT_EXIT(VMBUS_DRV);
 }
 
-/**
+/*
  * vmbus_child_device_destroy - Destroy the specified child device on the vmbus.
  */
 static void vmbus_child_device_destroy(struct hv_device *device_obj)
@@ -605,7 +631,7 @@ static void vmbus_child_device_destroy(struct hv_device *device_obj)
 	DPRINT_EXIT(VMBUS_DRV);
 }
 
-/**
+/*
  * vmbus_uevent - add uevent for our device
  *
  * This routine is invoked when a device is added or removed on the vmbus to
@@ -684,7 +710,7 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
 	return 0;
 }
 
-/**
+/*
  * vmbus_match - Attempt to match the specified device to the specified driver
  */
 static int vmbus_match(struct device *device, struct device_driver *driver)
@@ -719,7 +745,7 @@ static int vmbus_match(struct device *device, struct device_driver *driver)
 	return match;
 }
 
-/**
+/*
  * vmbus_probe_failed_cb - Callback when a driver probe failed in vmbus_probe()
  *
  * We need a callback because we cannot invoked device_unregister() inside
@@ -742,7 +768,7 @@ static void vmbus_probe_failed_cb(struct work_struct *context)
 	DPRINT_EXIT(VMBUS_DRV);
 }
 
-/**
+/*
  * vmbus_probe - Add the new vmbus's child device
  */
 static int vmbus_probe(struct device *child_device)
@@ -778,7 +804,7 @@ static int vmbus_probe(struct device *child_device)
 	return ret;
 }
 
-/**
+/*
  * vmbus_remove - Remove a vmbus device
  */
 static int vmbus_remove(struct device *child_device)
@@ -820,7 +846,7 @@ static int vmbus_remove(struct device *child_device)
 	return 0;
 }
 
-/**
+/*
  * vmbus_shutdown - Shutdown a vmbus device
  */
 static void vmbus_shutdown(struct device *child_device)
@@ -856,7 +882,7 @@ static void vmbus_shutdown(struct device *child_device)
 	return;
 }
 
-/**
+/*
  * vmbus_bus_release - Final callback release of the vmbus root device
  */
 static void vmbus_bus_release(struct device *device)
@@ -870,7 +896,7 @@ static void vmbus_bus_release(struct device *device)
 	DPRINT_EXIT(VMBUS_DRV);
 }
 
-/**
+/*
  * vmbus_device_release - Final callback release of the vmbus child device
  */
 static void vmbus_device_release(struct device *device)
@@ -888,7 +914,7 @@ static void vmbus_device_release(struct device *device)
 	return;
 }
 
-/**
+/*
  * vmbus_msg_dpc - Tasklet routine to handle hypervisor messages
  */
 static void vmbus_msg_dpc(unsigned long data)
@@ -905,7 +931,7 @@ static void vmbus_msg_dpc(unsigned long data)
 	DPRINT_EXIT(VMBUS_DRV);
 }
 
-/**
+/*
  * vmbus_msg_dpc - Tasklet routine to handle hypervisor events
  */
 static void vmbus_event_dpc(unsigned long data)

From 6f2dfb3101bb431ae9adc827fa8526d699e9dbd0 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 2 Mar 2010 13:35:35 +0000
Subject: [PATCH 0828/3638] staging: IIO: Fix uses of spinlocks prior to init
 in ring implementations

Some confusion was caused by the ___iio_init_ring_buffer and equivalent
in ring_sw handling both init of spin locks etc and allocation and
of the actual buffer.  This resulted in ring->use_lock being held
before it was initialized and actually during the initialization.

Some of the recent cleanups in the spin lock code seem to have triggered
the bug actually causing traceable crashes.

The following patch should fix this but hasn't been extensively tested
as of yet and there may well be some side effects I haven't thought of.
Just wanted to get this out there before anyone else runs into it!

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/industrialio-ring.c |  2 ++
 drivers/staging/iio/ring_generic.h      |  8 +++-----
 drivers/staging/iio/ring_sw.c           | 18 +++++++++++-------
 3 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/iio/industrialio-ring.c b/drivers/staging/iio/industrialio-ring.c
index e53e214bfeb..5f48632e425 100644
--- a/drivers/staging/iio/industrialio-ring.c
+++ b/drivers/staging/iio/industrialio-ring.c
@@ -266,6 +266,8 @@ void iio_ring_buffer_init(struct iio_ring_buffer *ring,
 	ring->indio_dev = dev_info;
 	ring->ev_int.private = ring;
 	ring->access_handler.private = ring;
+	ring->shared_ev_pointer.ev_p = 0;
+	spin_lock_init(&ring->shared_ev_pointer.lock);
 }
 EXPORT_SYMBOL(iio_ring_buffer_init);
 
diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h
index 09044adf732..75e0fc078d6 100644
--- a/drivers/staging/iio/ring_generic.h
+++ b/drivers/staging/iio/ring_generic.h
@@ -134,19 +134,17 @@ void iio_ring_buffer_init(struct iio_ring_buffer *ring,
 			  struct iio_dev *dev_info);
 
 /**
- * __iio_init_ring_buffer() - initialize common elements of ring buffers
+ * __iio_update_ring_buffer() - update common elements of ring buffers
  * @ring:		ring buffer that is the event source
  * @bytes_per_datum:	size of individual datum including timestamp
  * @length:		number of datums in ring
  **/
-static inline void __iio_init_ring_buffer(struct iio_ring_buffer *ring,
-				 int bytes_per_datum, int length)
+static inline void __iio_update_ring_buffer(struct iio_ring_buffer *ring,
+					    int bytes_per_datum, int length)
 {
 	ring->bpd = bytes_per_datum;
 	ring->length = length;
 	ring->loopcount = 0;
-	ring->shared_ev_pointer.ev_p = 0;
-	spin_lock_init(&ring->shared_ev_pointer.lock);
 }
 
 /**
diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index b104c3d9c35..851a97edd1d 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -14,14 +14,12 @@
 #include <linux/workqueue.h>
 #include "ring_sw.h"
 
-static inline int __iio_init_sw_ring_buffer(struct iio_sw_ring_buffer *ring,
-					    int bytes_per_datum, int length)
+static inline int __iio_allocate_sw_ring_buffer(struct iio_sw_ring_buffer *ring,
+						int bytes_per_datum, int length)
 {
 	if ((length == 0) || (bytes_per_datum == 0))
 		return -EINVAL;
-
-	__iio_init_ring_buffer(&ring->buf, bytes_per_datum, length);
-	spin_lock_init(&ring->use_lock);
+	__iio_update_ring_buffer(&ring->buf, bytes_per_datum, length);
 	ring->data = kmalloc(length*ring->buf.bpd, GFP_KERNEL);
 	ring->read_p = 0;
 	ring->write_p = 0;
@@ -30,6 +28,11 @@ static inline int __iio_init_sw_ring_buffer(struct iio_sw_ring_buffer *ring,
 	return ring->data ? 0 : -ENOMEM;
 }
 
+static inline void __iio_init_sw_ring_buffer(struct iio_sw_ring_buffer *ring)
+{
+	spin_lock_init(&ring->use_lock);
+}
+
 static inline void __iio_free_sw_ring_buffer(struct iio_sw_ring_buffer *ring)
 {
 	kfree(ring->data);
@@ -320,7 +323,8 @@ int iio_request_update_sw_rb(struct iio_ring_buffer *r)
 		goto error_ret;
 	}
 	__iio_free_sw_ring_buffer(ring);
-	ret = __iio_init_sw_ring_buffer(ring, ring->buf.bpd, ring->buf.length);
+	ret = __iio_allocate_sw_ring_buffer(ring, ring->buf.bpd,
+					    ring->buf.length);
 error_ret:
 	spin_unlock(&ring->use_lock);
 	return ret;
@@ -411,8 +415,8 @@ struct iio_ring_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev)
 	if (!ring)
 		return 0;
 	buf = &ring->buf;
-
 	iio_ring_buffer_init(buf, indio_dev);
+	__iio_init_sw_ring_buffer(ring);
 	buf->dev.type = &iio_sw_ring_type;
 	device_initialize(&buf->dev);
 	buf->dev.parent = &indio_dev->dev;

From 7264fcd129b939fc1faa8ccfee043f843285161b Mon Sep 17 00:00:00 2001
From: John Sheehan <john.d.sheehan@gmail.com>
Date: Thu, 4 Mar 2010 14:24:40 +0000
Subject: [PATCH 0829/3638] staging: arlan: fix errors reported by
 checkpatch.pl tool

fix all but one of the errors reported by checkpatch.pl tool.
Errors included wayward braces, white space issues(trailing
and prohibited), C99 issues, and foo* issues

Signed-off-by: John Sheehan <john.d.sheehan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/arlan/arlan-main.c | 947 +++++++++++++----------------
 1 file changed, 415 insertions(+), 532 deletions(-)

diff --git a/drivers/staging/arlan/arlan-main.c b/drivers/staging/arlan/arlan-main.c
index 88fdd53cf5d..58deb96e1a3 100644
--- a/drivers/staging/arlan/arlan-main.c
+++ b/drivers/staging/arlan/arlan-main.c
@@ -80,15 +80,14 @@ static  int 	arlan_open(struct net_device *dev);
 static  netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev);
 static  irqreturn_t arlan_interrupt(int irq, void *dev_id);
 static  int 	arlan_close(struct net_device *dev);
-static  struct net_device_stats *
-		arlan_statistics		(struct net_device *dev);
-static  void 	arlan_set_multicast		(struct net_device *dev);
-static  int 	arlan_hw_tx			(struct net_device* dev, char *buf, int length );
-static  int	arlan_hw_config			(struct net_device * dev);
-static  void 	arlan_tx_done_interrupt		(struct net_device * dev, int status);
-static  void	arlan_rx_interrupt		(struct net_device * dev, u_char rxStatus, u_short, u_short);
-static  void	arlan_process_interrupt		(struct net_device * dev);
-static	void	arlan_tx_timeout		(struct net_device *dev);
+static  struct net_device_stats *arlan_statistics(struct net_device *dev);
+static  void 	arlan_set_multicast(struct net_device *dev);
+static  int 	arlan_hw_tx(struct net_device *dev, char *buf, int length);
+static  int	arlan_hw_config(struct net_device *dev);
+static  void 	arlan_tx_done_interrupt(struct net_device *dev, int status);
+static  void	arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short, u_short);
+static  void	arlan_process_interrupt(struct net_device *dev);
+static	void	arlan_tx_timeout(struct net_device *dev);
 
 static inline long us2ticks(int us)
 {
@@ -102,14 +101,14 @@ static inline long us2ticks(int us)
 	struct timeval timev;\
 	do_gettimeofday(&timev);\
 		if (arlan_entry_debug || arlan_entry_and_exit_debug)\
-			printk("--->>>" name " %ld " "\n",((long int) timev.tv_sec * 1000000 + timev.tv_usec));\
+			printk("--->>>" name " %ld " "\n", ((long int) timev.tv_sec * 1000000 + timev.tv_usec));\
 	}
 #define ARLAN_DEBUG_EXIT(name) \
 	{\
 	struct timeval timev;\
 	do_gettimeofday(&timev);\
 		if (arlan_exit_debug || arlan_entry_and_exit_debug)\
-			printk("<<<---" name " %ld " "\n",((long int) timev.tv_sec * 1000000 + timev.tv_usec) );\
+			printk("<<<---" name " %ld " "\n", ((long int) timev.tv_sec * 1000000 + timev.tv_usec));\
 	}
 #else
 #define ARLAN_DEBUG_ENTRY(name)
@@ -118,8 +117,8 @@ static inline long us2ticks(int us)
 
 
 #define arlan_interrupt_ack(dev)\
-        clearClearInterrupt(dev);\
-        setClearInterrupt(dev);
+		clearClearInterrupt(dev);\
+		setClearInterrupt(dev);
 
 static inline int arlan_drop_tx(struct net_device *dev)
 {
@@ -127,18 +126,15 @@ static inline int arlan_drop_tx(struct net_device *dev)
 
 	dev->stats.tx_errors++;
 	if (priv->Conf->tx_delay_ms)
-	{
 		priv->tx_done_delayed = jiffies + priv->Conf->tx_delay_ms * HZ / 1000 + 1;
-	}
-	else
-	{
+	else {
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_TX;
 		TXHEAD(dev).offset = 0;
 		TXTAIL(dev).offset = 0;
 		priv->txLast = 0;
 		priv->bad = 0;
 		if (!priv->under_reset && !priv->under_config)
-			netif_wake_queue (dev);
+			netif_wake_queue(dev);
 	}
 	return 1;
 }
@@ -169,13 +165,11 @@ int arlan_command(struct net_device *dev, int command_p)
 		if (time_after(jiffies, priv->lastReset + 5 * HZ))
 			priv->waiting_command_mask &= ~ARLAN_COMMAND_RESET;
 
-	if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ACK)
-	{
+	if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ACK) {
 		arlan_interrupt_ack(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_ACK;
 	}
-	if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ENABLE)
-	{
+	if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ENABLE) {
 		setInterruptEnable(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_ENABLE;
 	}
@@ -185,12 +179,10 @@ int arlan_command(struct net_device *dev, int command_p)
 
 	/* Check cards status and waiting */
 
-	if (priv->waiting_command_mask & (ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW))
-	{
-		while (priv->waiting_command_mask & (ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW))
-		{
+	if (priv->waiting_command_mask & (ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW)) {
+		while (priv->waiting_command_mask & (ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW)) {
 			if (READSHMB(arlan->resetFlag) ||
-				READSHMB(arlan->commandByte))	/* || 
+				READSHMB(arlan->commandByte))	/* ||
 								   (readControlRegister(dev) & ARLAN_ACCESS))
 								 */
 				udelay(40);
@@ -199,27 +191,20 @@ int arlan_command(struct net_device *dev, int command_p)
 
 			udelayed++;
 
-			if (priv->waiting_command_mask & ARLAN_COMMAND_LONG_WAIT_NOW)
-			{
-				if (udelayed * 40 > 1000000)
-				{
+			if (priv->waiting_command_mask & ARLAN_COMMAND_LONG_WAIT_NOW) {
+				if (udelayed * 40 > 1000000) {
 					printk(KERN_ERR "%s long wait too long \n", dev->name);
 					priv->waiting_command_mask |= ARLAN_COMMAND_RESET;
 					break;
 				}
-			}
-			else if (priv->waiting_command_mask & ARLAN_COMMAND_WAIT_NOW)
-			{
-				if (udelayed * 40 > 1000)
-				{
+			} else if (priv->waiting_command_mask & ARLAN_COMMAND_WAIT_NOW) {
+				if (udelayed * 40 > 1000) {
 					printk(KERN_ERR "%s short wait too long \n", dev->name);
 					goto bad_end;
 				}
 			}
 		}
-	}
-	else
-	{
+	} else {
 		i = 0;
 		while ((READSHMB(arlan->resetFlag) ||
 			READSHMB(arlan->commandByte)) &&
@@ -230,9 +215,7 @@ int arlan_command(struct net_device *dev, int command_p)
 		if ((READSHMB(arlan->resetFlag) ||
 			READSHMB(arlan->commandByte)) &&
 			!(priv->waiting_command_mask & ARLAN_COMMAND_RESET))
-		{
 			goto card_busy_end;
-		}
 	}
 	if (priv->waiting_command_mask & ARLAN_COMMAND_RESET)
 		priv->under_reset = 1;
@@ -241,55 +224,43 @@ int arlan_command(struct net_device *dev, int command_p)
 
 	/* Issuing command */
 	arlan_lock_card_access(dev);
-	if (priv->waiting_command_mask & ARLAN_COMMAND_POWERUP)
-	{
-	//     if (readControlRegister(dev) & (ARLAN_ACCESS && ARLAN_POWER))
+	if (priv->waiting_command_mask & ARLAN_COMMAND_POWERUP) {
+		/* if (readControlRegister(dev) & (ARLAN_ACCESS && ARLAN_POWER)) */
 		setPowerOn(dev);
 		arlan_interrupt_lancpu(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_POWERUP;
 		priv->waiting_command_mask |= ARLAN_COMMAND_RESET;
 		priv->card_polling_interval = HZ / 10;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_ACTIVATE)
-	{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_ACTIVATE) {
 		WRITESHMB(arlan->commandByte, ARLAN_COM_ACTIVATE);
 		arlan_interrupt_lancpu(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_ACTIVATE;
 		priv->card_polling_interval = HZ / 10;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_RX_ABORT)
-	{
-		if (priv->rx_command_given)
-		{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_RX_ABORT) {
+		if (priv->rx_command_given) {
 			WRITESHMB(arlan->commandByte, ARLAN_COM_RX_ABORT);
 			arlan_interrupt_lancpu(dev);
 			priv->rx_command_given = 0;
 		}
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_RX_ABORT;
 		priv->card_polling_interval = 1;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_TX_ABORT)
-	{
-		if (priv->tx_command_given)
-		{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_TX_ABORT) {
+		if (priv->tx_command_given) {
 			WRITESHMB(arlan->commandByte, ARLAN_COM_TX_ABORT);
 			arlan_interrupt_lancpu(dev);
 			priv->tx_command_given = 0;
 		}
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_TX_ABORT;
 		priv->card_polling_interval = 1;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_RESET)
-	{
-		priv->under_reset=1;
-		netif_stop_queue (dev);
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_RESET) {
+		priv->under_reset = 1;
+		netif_stop_queue(dev);
 
 		arlan_drop_tx(dev);
 		if (priv->tx_command_given || priv->rx_command_given)
-		{
 			printk(KERN_ERR "%s: Reset under tx or rx command \n", dev->name);
-		}
-		netif_stop_queue (dev);
+
+		netif_stop_queue(dev);
 		if (arlan_debug & ARLAN_DEBUG_RESET)
 			printk(KERN_ERR "%s: Doing chip reset\n", dev->name);
 		priv->lastReset = jiffies;
@@ -303,11 +274,9 @@ int arlan_command(struct net_device *dev, int command_p)
 		priv->card_polling_interval = HZ / 4;
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_RESET;
 		priv->waiting_command_mask |= ARLAN_COMMAND_INT_RACK;
-//		priv->waiting_command_mask |= ARLAN_COMMAND_INT_RENABLE; 
-//		priv->waiting_command_mask |= ARLAN_COMMAND_RX;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_INT_RACK)
-	{
+		/* priv->waiting_command_mask |= ARLAN_COMMAND_INT_RENABLE; */
+		/* priv->waiting_command_mask |= ARLAN_COMMAND_RX; */
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_INT_RACK) {
 		clearHardwareReset(dev);
 		clearClearInterrupt(dev);
 		setClearInterrupt(dev);
@@ -316,126 +285,94 @@ int arlan_command(struct net_device *dev, int command_p)
 		priv->waiting_command_mask |= ARLAN_COMMAND_CONF;
 		priv->under_config = 1;
 		priv->under_reset = 0;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_INT_RENABLE)
-	{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_INT_RENABLE) {
 		setInterruptEnable(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_RENABLE;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF)
-	{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF) {
 		if (priv->tx_command_given || priv->rx_command_given)
-		{
 			printk(KERN_ERR "%s: Reset under tx or rx command \n", dev->name);
-		}
+
 		arlan_drop_tx(dev);
 		setInterruptEnable(dev);
 		arlan_hw_config(dev);
 		arlan_interrupt_lancpu(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_CONF;
 		priv->card_polling_interval = HZ / 10;
-//		priv->waiting_command_mask |= ARLAN_COMMAND_INT_RACK;   
-//		priv->waiting_command_mask |= ARLAN_COMMAND_INT_ENABLE; 
+		/* priv->waiting_command_mask |= ARLAN_COMMAND_INT_RACK; */
+		/* priv->waiting_command_mask |= ARLAN_COMMAND_INT_ENABLE; */
 		priv->waiting_command_mask |= ARLAN_COMMAND_CONF_WAIT;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF_WAIT)
-	{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF_WAIT) {
 		if (READSHMB(arlan->configuredStatusFlag) != 0 &&
-			READSHMB(arlan->diagnosticInfo) == 0xff)
-		{
+			READSHMB(arlan->diagnosticInfo) == 0xff) {
 			priv->waiting_command_mask &= ~ARLAN_COMMAND_CONF_WAIT;
 			priv->waiting_command_mask |= ARLAN_COMMAND_RX;
 			priv->waiting_command_mask |= ARLAN_COMMAND_TBUSY_CLEAR;
 			priv->card_polling_interval = HZ / 10;
 			priv->tx_command_given = 0;
 			priv->under_config = 0;
-		}
-		else
-		{
+		} else {
 			priv->card_polling_interval = 1;
 			if (arlan_debug & ARLAN_DEBUG_TIMING)
 				printk(KERN_ERR "configure delayed \n");
 		}
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_RX)
-	{
-		if (!registrationBad(dev))
-		{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_RX) {
+		if (!registrationBad(dev)) {
 			setInterruptEnable(dev);
 			memset_io(arlan->commandParameter, 0, 0xf);
 			WRITESHMB(arlan->commandByte, ARLAN_COM_INT | ARLAN_COM_RX_ENABLE);
 			WRITESHMB(arlan->commandParameter[0], conf->rxParameter);
 			arlan_interrupt_lancpu(dev);
-			priv->rx_command_given = 0; // mnjah, bad
+			priv->rx_command_given = 0; /* mnjah, bad */
 			priv->waiting_command_mask &= ~ARLAN_COMMAND_RX;
 			priv->card_polling_interval = 1;
-		}
-		else
+		} else
 			priv->card_polling_interval = 2;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_TBUSY_CLEAR)
-	{
-		if ( !registrationBad(dev) &&
-		     (netif_queue_stopped(dev) || !netif_running(dev)) )
-			{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_TBUSY_CLEAR) {
+		if (!registrationBad(dev) &&
+		     (netif_queue_stopped(dev) || !netif_running(dev))) {
 				priv->waiting_command_mask &= ~ARLAN_COMMAND_TBUSY_CLEAR;
-				netif_wake_queue (dev);
+				netif_wake_queue(dev);
 			}
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_TX)
-	{
-		if (!test_and_set_bit(0, (void *) &priv->tx_command_given))
-		{
-			if (time_after(jiffies, 
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_TX) {
+		if (!test_and_set_bit(0, (void *) &priv->tx_command_given)) {
+			if (time_after(jiffies,
 				       priv->tx_last_sent + us2ticks(conf->rx_tweak1))
 			    || time_before(jiffies,
-					   priv->last_rx_int_ack_time + us2ticks(conf->rx_tweak2)))
-			{
+					   priv->last_rx_int_ack_time + us2ticks(conf->rx_tweak2))) {
 				setInterruptEnable(dev);
 				memset_io(arlan->commandParameter, 0, 0xf);
 				WRITESHMB(arlan->commandByte, ARLAN_COM_TX_ENABLE | ARLAN_COM_INT);
 				memcpy_toio(arlan->commandParameter, &TXLAST(dev), 14);
-//				for ( i=1 ; i < 15 ; i++) printk("%02x:",READSHMB(arlan->commandParameter[i]));
+				/* for ( i=1 ; i < 15 ; i++) printk("%02x:",READSHMB(arlan->commandParameter[i])); */
 				priv->tx_last_sent = jiffies;
 				arlan_interrupt_lancpu(dev);
 				priv->tx_command_given = 1;
 				priv->waiting_command_mask &= ~ARLAN_COMMAND_TX;
 				priv->card_polling_interval = 1;
-			}
-			else
-			{
+			} else {
 				priv->tx_command_given = 0;
 				priv->card_polling_interval = 1;
 			}
-		} 
-		else if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
+		} else if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
 			printk(KERN_ERR "tx command when tx chain locked \n");
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOPINT)
-	{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOPINT) {
 		{
 			WRITESHMB(arlan->commandByte, ARLAN_COM_NOP | ARLAN_COM_INT);
 		}
 		arlan_interrupt_lancpu(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_NOOPINT;
 		priv->card_polling_interval = HZ / 3;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOP)
-	{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOP) {
 		WRITESHMB(arlan->commandByte, ARLAN_COM_NOP);
 		arlan_interrupt_lancpu(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_NOOP;
 		priv->card_polling_interval = HZ / 3;
-	}
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_SLOW_POLL)
-	{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_SLOW_POLL) {
 		WRITESHMB(arlan->commandByte, ARLAN_COM_GOTO_SLOW_POLL);
 		arlan_interrupt_lancpu(dev);
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_SLOW_POLL;
 		priv->card_polling_interval = HZ / 3;
-	} 
-	else if (priv->waiting_command_mask & ARLAN_COMMAND_POWERDOWN)
-	{
+	} else if (priv->waiting_command_mask & ARLAN_COMMAND_POWERDOWN) {
 		setPowerOff(dev);
 		if (arlan_debug & ARLAN_DEBUG_CARD_STATE)
 			printk(KERN_WARNING "%s: Arlan Going Standby\n", dev->name);
@@ -478,10 +415,8 @@ static inline void arlan_command_process(struct net_device *dev)
 	struct arlan_private *priv = netdev_priv(dev);
 
 	int times = 0;
-	while (priv->waiting_command_mask && times < 8)
-	{
-		if (priv->waiting_command_mask)
-		{
+	while (priv->waiting_command_mask && times < 8) {
+		if (priv->waiting_command_mask) {
 			if (arlan_command(dev, 0))
 				break;
 			times++;
@@ -500,24 +435,17 @@ static inline void arlan_retransmit_now(struct net_device *dev)
 
 
 	ARLAN_DEBUG_ENTRY("arlan_retransmit_now");
-	if (TXLAST(dev).offset == 0)
-	{
-		if (TXHEAD(dev).offset)
-		{
+	if (TXLAST(dev).offset == 0) {
+		if (TXHEAD(dev).offset) {
 			priv->txLast = 0;
 			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to head \n");
-
-		}
-		else if (TXTAIL(dev).offset)
-		{
+		} else if (TXTAIL(dev).offset) {
 			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to tail \n");
 			priv->txLast = 1;
-		}
-		else
+		} else
 			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_ERR "ReTransmit buff empty");
-		netif_wake_queue (dev);
+		netif_wake_queue(dev);
 		return;
-
 	}
 	arlan_command(dev, ARLAN_COMMAND_TX);
 
@@ -540,78 +468,71 @@ static void arlan_registration_timer(unsigned long data)
 	long lostTime = ((long)jiffies - (long)priv->registrationLastSeen)
 			* (1000/HZ);
 
-	if (registrationBad(dev))
-	{
+	if (registrationBad(dev)) {
 		priv->registrationLostCount++;
 		if (lostTime > 7000 && lostTime < 7200)
-		{
 			printk(KERN_NOTICE "%s registration Lost \n", dev->name);
-		}
+
 		if (lostTime / priv->reRegisterExp > 2000)
 			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_CONF);
 		if (lostTime / (priv->reRegisterExp) > 3500)
 			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
 		if (priv->reRegisterExp < 400)
 			priv->reRegisterExp += 2;
-		if (lostTime > 7200)
-		{
+		if (lostTime > 7200) {
 			next_tick = HZ;
 			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
 		}
-	}
-	else
-	{
+	} else {
 		if (priv->Conf->registrationMode && lostTime > 10000 &&
-			priv->registrationLostCount)
-		{
+			priv->registrationLostCount) {
 			printk(KERN_NOTICE "%s registration is back after %ld milliseconds\n",
 			       dev->name, lostTime);
 		}
 		priv->registrationLastSeen = jiffies;
 		priv->registrationLostCount = 0;
 		priv->reRegisterExp = 1;
-		if (!netif_running(dev) )
+		if (!netif_running(dev))
 			netif_wake_queue(dev);
-		if (time_after(priv->tx_last_sent,priv->tx_last_cleared) &&
-		    time_after(jiffies, priv->tx_last_sent * 5*HZ) ){
-			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);		
+		if (time_after(priv->tx_last_sent, priv->tx_last_cleared) &&
+		    time_after(jiffies, priv->tx_last_sent * 5*HZ)) {
+			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
 			priv->tx_last_cleared = jiffies;
 		}
 	}
 
 
-	if (!registrationBad(dev) && priv->ReTransmitRequested)
-	{
+	if (!registrationBad(dev) && priv->ReTransmitRequested) {
 		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
 			printk(KERN_ERR "Retransmit from timer \n");
 		priv->ReTransmitRequested = 0;
 		arlan_retransmit_now(dev);
 	}
+
 	if (!registrationBad(dev) &&
 		time_after(jiffies, priv->tx_done_delayed) &&
-		priv->tx_done_delayed != 0)
-	{
+		priv->tx_done_delayed != 0) {
 		TXLAST(dev).offset = 0;
+
 		if (priv->txLast)
 			priv->txLast = 0;
 		else if (TXTAIL(dev).offset)
 			priv->txLast = 1;
-		if (TXLAST(dev).offset)
-		{
+		if (TXLAST(dev).offset) {
 			arlan_retransmit_now(dev);
 			dev->trans_start = jiffies;
 		}
+
 		if (!(TXHEAD(dev).offset && TXTAIL(dev).offset))
-		{
-			netif_wake_queue (dev);
-		}
+			netif_wake_queue(dev);
+
 		priv->tx_done_delayed = 0;
 		bh_mark_needed = 1;
 	}
+
 	if (bh_mark_needed)
-	{
-		netif_wake_queue (dev);
-	}
+		netif_wake_queue(dev);
+
 	arlan_process_interrupt(dev);
 
 	if (next_tick < priv->card_polling_interval)
@@ -672,8 +593,7 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
 		tailStarts = 0x800 - (((TXTAIL(dev).offset - offsetof(struct arlan_shmem, txBuffer)) / 64) + 2) * 64;
 
 
-	if (!TXHEAD(dev).offset && length < tailStarts)
-	{
+	if (!TXHEAD(dev).offset && length < tailStarts) {
 		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
 			printk(KERN_ERR "TXHEAD insert, tailStart %d\n", tailStarts);
 
@@ -687,9 +607,7 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
 		TXHEAD(dev).routing = conf->txRouting;
 		TXHEAD(dev).scrambled = conf->txScrambled;
 		memcpy_toio((char __iomem *)arlan + TXHEAD(dev).offset, buf + ARLAN_FAKE_HDR_LEN, TXHEAD(dev).length);
-	}
-	else if (!TXTAIL(dev).offset && length < (0x800 - headEnds))
-	{
+	} else if (!TXTAIL(dev).offset && length < (0x800 - headEnds)) {
 		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
 			printk(KERN_ERR "TXTAIL insert, headEnd %d\n", headEnds);
 
@@ -703,10 +621,8 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
 		TXTAIL(dev).routing = conf->txRouting;
 		TXTAIL(dev).scrambled = conf->txScrambled;
 		memcpy_toio(((char __iomem *)arlan + TXTAIL(dev).offset), buf + ARLAN_FAKE_HDR_LEN, TXTAIL(dev).length);
-	}
-	else
-	{
-		netif_stop_queue (dev);
+	} else {
+		netif_stop_queue(dev);
 		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
 			printk(KERN_ERR "TX TAIL & HEAD full, return, tailStart %d headEnd %d\n", tailStarts, headEnds);
 		return -1;
@@ -715,26 +631,23 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
 	priv->out_bytes10 += length;
 	if (conf->measure_rate < 1)
 		conf->measure_rate = 1;
-	if (time_after(jiffies, priv->out_time + conf->measure_rate * HZ))
-	{
+	if (time_after(jiffies, priv->out_time + conf->measure_rate * HZ)) {
 		conf->out_speed = priv->out_bytes / conf->measure_rate;
 		priv->out_bytes = 0;
 		priv->out_time = jiffies;
 	}
-	if (time_after(jiffies, priv->out_time10 + conf->measure_rate * 10*HZ))
-	{
+
+	if (time_after(jiffies, priv->out_time10 + conf->measure_rate * 10*HZ)) {
 		conf->out_speed10 = priv->out_bytes10 / (10 * conf->measure_rate);
 		priv->out_bytes10 = 0;
 		priv->out_time10 = jiffies;
 	}
-	if (TXHEAD(dev).offset && TXTAIL(dev).offset)
-	{
-		netif_stop_queue (dev);
-		return 0;
-	}
-	else
-		netif_start_queue (dev);
 
+	if (TXHEAD(dev).offset && TXTAIL(dev).offset) {
+		netif_stop_queue(dev);
+		return 0;
+	} else
+		netif_start_queue(dev);
 
 	IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
 		printk(KERN_WARNING "%s Transmit t %2x:%2x:%2x:%2x:%2x:%2x f %2x:%2x:%2x:%2x:%2x:%2x \n", dev->name,
@@ -817,11 +730,11 @@ static int arlan_hw_config(struct net_device *dev)
 	WRITESHMB(arlan->commandByte, ARLAN_COM_INT | ARLAN_COM_CONF);	/* do configure */
 	memset_io(arlan->commandParameter, 0, 0xf);	/* 0xf */
 	memset_io(arlan->commandParameter + 1, 0, 2);
-	if (conf->writeEEPROM)
-	{
-		  memset_io(arlan->commandParameter, conf->writeEEPROM, 1);
-//		conf->writeEEPROM=0;
+	if (conf->writeEEPROM) {
+		memset_io(arlan->commandParameter, conf->writeEEPROM, 1);
+		/* conf->writeEEPROM=0; */
 	}
+
 	if (conf->registrationMode && conf->registrationInterrupts)
 		memset_io(arlan->commandParameter + 3, 1, 1);
 	else
@@ -847,47 +760,46 @@ static int arlan_read_card_configuration(struct net_device *dev)
 
 	ARLAN_DEBUG_ENTRY("arlan_read_card_configuration");
 
-	if (radioNodeId == radioNodeIdUNKNOWN)
-	{
-		READSHM(conf->radioNodeId, arlan->radioNodeId, u_short);
-	}
-	else
-		conf->radioNodeId = radioNodeId;
-		
-	if (SID == SIDUNKNOWN)
-	{
-		READSHM(conf->SID, arlan->SID, u_int);
-	}
-	else conf->SID = SID;
-		
-	if (spreadingCode == spreadingCodeUNKNOWN)
-	{
-		  READSHM(conf->spreadingCode, arlan->spreadingCode, u_char);
-	}
-	else
-		conf->spreadingCode = spreadingCode;
-		
-	if (channelSet == channelSetUNKNOWN)
-	{
-		READSHM(conf->channelSet, arlan->channelSet, u_char);
-	}
-	else conf->channelSet = channelSet;
 
-	if (channelNumber == channelNumberUNKNOWN)
-	{
+	if (radioNodeId == radioNodeIdUNKNOWN) {
+		/* multiline macro, cannot remove braces */
+		READSHM(conf->radioNodeId, arlan->radioNodeId, u_short);
+	} else
+		conf->radioNodeId = radioNodeId;
+
+	if (SID == SIDUNKNOWN) {
+		/* multiline macro, cannot remove braces */
+		READSHM(conf->SID, arlan->SID, u_int);
+	} else
+		conf->SID = SID;
+
+	if (spreadingCode == spreadingCodeUNKNOWN) {
+		/* multiline macro, cannot remove braces */
+		READSHM(conf->spreadingCode, arlan->spreadingCode, u_char);
+	} else
+		conf->spreadingCode = spreadingCode;
+
+	if (channelSet == channelSetUNKNOWN) {
+		/* multiline macro, cannot remove braces */
+		READSHM(conf->channelSet, arlan->channelSet, u_char);
+	} else
+		conf->channelSet = channelSet;
+
+	if (channelNumber == channelNumberUNKNOWN) {
+		/* multiline macro, cannot remove braces */
 		READSHM(conf->channelNumber, arlan->channelNumber, u_char);
-	}
-	else conf->channelNumber = channelNumber;
-	
+	} else
+		conf->channelNumber = channelNumber;
+
 	READSHM(conf->scramblingDisable, arlan->scramblingDisable, u_char);
 	READSHM(conf->txAttenuation, arlan->txAttenuation, u_char);
-	
-	if (systemId == systemIdUNKNOWN)
-	{
+
+	if (systemId == systemIdUNKNOWN) {
+		/* multiline macro, cannot remove braces */
 		READSHM(conf->systemId, arlan->systemId, u_int);
-	} 
-	else conf->systemId = systemId;
-	
+	} else
+		conf->systemId = systemId;
+
 	READSHM(conf->maxDatagramSize, arlan->maxDatagramSize, u_short);
 	READSHM(conf->maxFrameSize, arlan->maxFrameSize, u_short);
 	READSHM(conf->maxRetries, arlan->maxRetries, u_char);
@@ -895,18 +807,18 @@ static int arlan_read_card_configuration(struct net_device *dev)
 	READSHM(conf->priority, arlan->priority, u_char);
 	READSHM(conf->rootOrRepeater, arlan->rootOrRepeater, u_char);
 
-	if (SID == SIDUNKNOWN)
-	{
+	if (SID == SIDUNKNOWN) {
+		/* multiline macro, cannot remove braces */
 		  READSHM(conf->SID, arlan->SID, u_int);
-	}
-	else conf->SID = SID;
-	
-	if (registrationMode == registrationModeUNKNOWN)
-	{
+	} else
+		conf->SID = SID;
+
+	if (registrationMode == registrationModeUNKNOWN) {
+		/* multiline macro, cannot remove braces */
 		  READSHM(conf->registrationMode, arlan->registrationMode, u_char);
-	}
-	else conf->registrationMode = registrationMode;
-	
+	} else
+		conf->registrationMode = registrationMode;
+
 	READSHM(conf->registrationFill, arlan->registrationFill, u_char);
 	READSHM(conf->localTalkAddress, arlan->localTalkAddress, u_char);
 	READSHM(conf->codeFormat, arlan->codeFormat, u_char);
@@ -921,16 +833,16 @@ static int arlan_read_card_configuration(struct net_device *dev)
 	READSHM(conf->headerSize, arlan->headerSize, u_short);
 	READSHM(conf->hardwareType, arlan->hardwareType, u_char);
 	READSHM(conf->radioType, arlan->radioModule, u_char);
-	
+
 	if (conf->radioType == 0)
 		conf->radioType = 0xc;
 
 	WRITESHM(arlan->configStatus, 0xA5, u_char);
 	READSHM(tlx415, arlan->configStatus, u_char);
-	
+
 	if (tlx415 != 0xA5)
 		printk(KERN_INFO "%s tlx415 chip \n", dev->name);
-	
+
 	conf->txClear = 0;
 	conf->txRetries = 1;
 	conf->txRouting = 1;
@@ -973,7 +885,7 @@ static int __init arlan_check_fingerprint(unsigned long memaddr)
 	ARLAN_DEBUG_ENTRY("arlan_check_fingerprint");
 
 	if (!request_mem_region(paddr, ARLAN_SHMEM_SIZE, "arlan")) {
-		// printk(KERN_WARNING "arlan: memory region %lx excluded from probing \n",paddr);
+		/* printk(KERN_WARNING "arlan: memory region %lx excluded from probing \n",paddr); */
 		return -ENODEV;
 	}
 
@@ -981,12 +893,12 @@ static int __init arlan_check_fingerprint(unsigned long memaddr)
 	tempBuf[30] = 0;
 
 	/* check for card at this address */
-	if (0 != strncmp(tempBuf, probeText, 29)){
- 		release_mem_region(paddr, ARLAN_SHMEM_SIZE);
+	if (0 != strncmp(tempBuf, probeText, 29)) {
+		release_mem_region(paddr, ARLAN_SHMEM_SIZE);
 		return -ENODEV;
 	}
 
-//   printk(KERN_INFO "arlan found at 0x%x \n",memaddr);
+	/* printk(KERN_INFO "arlan found at 0x%x \n",memaddr); */
 	ARLAN_DEBUG_EXIT("arlan_check_fingerprint");
 
 	return 0;
@@ -1054,7 +966,7 @@ static int __init arlan_setup_device(struct net_device *dev, int num)
 	dev->tx_queue_len = tx_queue_len;
 	dev->netdev_ops = &arlan_netdev_ops;
 	dev->watchdog_timeo = 3*HZ;
-	
+
 	ap->irq_test_done = 0;
 	ap->Conf = &arlan_conf[num];
 
@@ -1065,7 +977,7 @@ static int __init arlan_setup_device(struct net_device *dev, int num)
 
 	err = register_netdev(dev);
 	if (err) {
-		release_mem_region(virt_to_phys((void *) dev->mem_start), 
+		release_mem_region(virt_to_phys((void *) dev->mem_start),
 			   ARLAN_SHMEM_SIZE);
 		free_netdev(dev);
 		return err;
@@ -1075,7 +987,7 @@ static int __init arlan_setup_device(struct net_device *dev, int num)
 	return 0;
 }
 
-static int __init arlan_probe_here(struct net_device *dev, 
+static int __init arlan_probe_here(struct net_device *dev,
 				   unsigned long memaddr)
 {
 	struct arlan_private *ap = netdev_priv(dev);
@@ -1085,15 +997,15 @@ static int __init arlan_probe_here(struct net_device *dev,
 	if (arlan_check_fingerprint(memaddr))
 		return -ENODEV;
 
-	printk(KERN_NOTICE "%s: Arlan found at %llx, \n ", dev->name, 
-	       (u64) virt_to_phys((void*)memaddr));
+	printk(KERN_NOTICE "%s: Arlan found at %llx, \n ", dev->name,
+	       (u64) virt_to_phys((void *)memaddr));
 
 	ap->card = (void *) memaddr;
 	dev->mem_start = memaddr;
 	dev->mem_end = memaddr + ARLAN_SHMEM_SIZE-1;
 
-	if (dev->irq < 2)
-	{
+	if (dev->irq < 2) {
+		/* multiline macro, cannot remove braces */
 		READSHM(dev->irq, ap->card->irqLevel, u_char);
 	} else if (dev->irq == 2)
 		dev->irq = 9;
@@ -1114,14 +1026,12 @@ static int arlan_open(struct net_device *dev)
 	ARLAN_DEBUG_ENTRY("arlan_open");
 
 	ret = request_irq(dev->irq, &arlan_interrupt, 0, dev->name, dev);
-	if (ret)
-	{
+	if (ret) {
 		printk(KERN_ERR "%s: unable to get IRQ %d .\n",
 			dev->name, dev->irq);
 		return ret;
 	}
 
-
 	priv->bad = 0;
 	priv->lastReset = 0;
 	priv->reset = 0;
@@ -1131,14 +1041,14 @@ static int arlan_open(struct net_device *dev)
 	priv->interrupt_processing_active = 0;
 	spin_lock_init(&priv->lock);
 
-	netif_start_queue (dev);
+	netif_start_queue(dev);
 
 	priv->registrationLostCount = 0;
 	priv->registrationLastSeen = jiffies;
 	priv->txLast = 0;
 	priv->tx_command_given = 0;
 	priv->rx_command_given = 0;
-	
+
 	priv->reRegisterExp = 1;
 	priv->tx_last_sent = jiffies - 1;
 	priv->tx_last_cleared = jiffies;
@@ -1159,13 +1069,13 @@ static int arlan_open(struct net_device *dev)
 }
 
 
-static void arlan_tx_timeout (struct net_device *dev)
+static void arlan_tx_timeout(struct net_device *dev)
 {
 	printk(KERN_ERR "%s: arlan transmit timed out, kernel decided\n", dev->name);
 	/* Try to restart the adaptor. */
 	arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
-	// dev->trans_start = jiffies;
-	// netif_start_queue (dev);
+	/* dev->trans_start = jiffies; */
+	/* netif_start_queue (dev); */
 }
 
 
@@ -1175,13 +1085,13 @@ static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev)
 	unsigned char *buf;
 
 	ARLAN_DEBUG_ENTRY("arlan_tx");
-	
+
 	length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
 	buf = skb->data;
 
 	if (length + 0x12 > 0x800) {
 		printk(KERN_ERR "TX RING overflow \n");
-		netif_stop_queue (dev);
+		netif_stop_queue(dev);
 	}
 
 	if (arlan_hw_tx(dev, buf, length) == -1)
@@ -1197,7 +1107,7 @@ static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev)
 
 bad_end:
 	arlan_process_interrupt(dev);
-	netif_stop_queue (dev);
+	netif_stop_queue(dev);
 	ARLAN_DEBUG_EXIT("arlan_tx");
 	return NETDEV_TX_BUSY;
 }
@@ -1229,9 +1139,8 @@ static inline void arlan_queue_retransmit(struct net_device *dev)
 	ARLAN_DEBUG_ENTRY("arlan_queue_retransmit");
 
 	if (DoNotWaitReTransmitCrap(dev))
-	{
-		  arlan_drop_tx(dev);
-	} else
+		arlan_drop_tx(dev);
+	else
 		priv->ReTransmitRequested++;
 
 	ARLAN_DEBUG_EXIT("arlan_queue_retransmit");
@@ -1245,14 +1154,11 @@ static inline void RetryOrFail(struct net_device *dev)
 
 	if (priv->retransmissions > priv->Conf->retries ||
 	    DoNotReTransmitCrap(dev))
-	{
 		arlan_drop_tx(dev);
-	}
 	else if (priv->bad <= priv->Conf->fastReTransCount)
-	{
 		arlan_retransmit_now(dev);
-	}
-	else arlan_queue_retransmit(dev);
+	else
+		arlan_queue_retransmit(dev);
 
 	ARLAN_DEBUG_EXIT("RetryOrFail");
 }
@@ -1266,131 +1172,126 @@ static void arlan_tx_done_interrupt(struct net_device *dev, int status)
 
 	priv->tx_last_cleared = jiffies;
 	priv->tx_command_given = 0;
-	switch (status)
+	switch (status) {
+	case 1:
 	{
-		case 1:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-				printk("arlan intr: transmit OK\n");
-			dev->stats.tx_packets++;
-			priv->bad = 0;
-			priv->reset = 0;
-			priv->retransmissions = 0;
-			if (priv->Conf->tx_delay_ms)
-			{
-				priv->tx_done_delayed = jiffies + (priv->Conf->tx_delay_ms * HZ) / 1000 + 1;
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit OK\n");
+		dev->stats.tx_packets++;
+		priv->bad = 0;
+		priv->reset = 0;
+		priv->retransmissions = 0;
+		if (priv->Conf->tx_delay_ms)
+			priv->tx_done_delayed = jiffies + (priv->Conf->tx_delay_ms * HZ) / 1000 + 1;
+		else {
+			TXLAST(dev).offset = 0;
+			if (priv->txLast)
+				priv->txLast = 0;
+			else if (TXTAIL(dev).offset)
+				priv->txLast = 1;
+
+			if (TXLAST(dev).offset) {
+				arlan_retransmit_now(dev);
+				dev->trans_start = jiffies;
 			}
-			else
-			{
-				TXLAST(dev).offset = 0;
-				if (priv->txLast)
-					priv->txLast = 0;
-				else if (TXTAIL(dev).offset)
-					priv->txLast = 1;
-				if (TXLAST(dev).offset)
-				{
-					arlan_retransmit_now(dev);
-					dev->trans_start = jiffies;
-				}
-				if (!TXHEAD(dev).offset || !TXTAIL(dev).offset)
-				{
-					netif_wake_queue (dev);
-				}
-			}
-		}
-		break;
-		
-		case 2:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-				printk("arlan intr: transmit timed out\n");
-			priv->bad += 1;
-			//arlan_queue_retransmit(dev);
-			RetryOrFail(dev);
-		}
-		break;
 
-		case 3:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-				printk("arlan intr: transmit max retries\n");
-			priv->bad += 1;
-			priv->reset = 0;
-			//arlan_queue_retransmit(dev);
-			RetryOrFail(dev);
+			if (!TXHEAD(dev).offset || !TXTAIL(dev).offset)
+				netif_wake_queue(dev);
 		}
-		break;
-		
-		case 4:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-				printk("arlan intr: transmit aborted\n");
-			priv->bad += 1;
-			arlan_queue_retransmit(dev);
-			//RetryOrFail(dev);
-		}
-		break;
+	}
+	break;
 
-		case 5:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-				printk("arlan intr: transmit not registered\n");
-			priv->bad += 1;
-			//debug=101;
-			arlan_queue_retransmit(dev);
-		}
-		break;
+	case 2:
+	{
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit timed out\n");
+		priv->bad += 1;
+		/* arlan_queue_retransmit(dev); */
+		RetryOrFail(dev);
+	}
+	break;
 
-		case 6:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) 
-				printk("arlan intr: transmit destination full\n");
-			priv->bad += 1;
-			priv->reset = 0;
-			//arlan_drop_tx(dev);
-			arlan_queue_retransmit(dev);
-		}
-		break;
+	case 3:
+	{
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit max retries\n");
+		priv->bad += 1;
+		priv->reset = 0;
+		/* arlan_queue_retransmit(dev); */
+		RetryOrFail(dev);
+	}
+	break;
 
-		case 7:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-				printk("arlan intr: transmit unknown ack\n");
-			priv->bad += 1;
-			priv->reset = 0;
-			arlan_queue_retransmit(dev);
-		}
-		break;
-		
-		case 8:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-				printk("arlan intr: transmit dest mail box full\n");
-			priv->bad += 1;
-			priv->reset = 0;
-			//arlan_drop_tx(dev);
-			arlan_queue_retransmit(dev);
-		}
-		break;
+	case 4:
+	{
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit aborted\n");
+		priv->bad += 1;
+		arlan_queue_retransmit(dev);
+		/* RetryOrFail(dev); */
+	}
+	break;
 
-		case 9:
-		{
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-				printk("arlan intr: transmit root dest not reg.\n");
-			priv->bad += 1;
-			priv->reset = 1;
-			//arlan_drop_tx(dev);
-			arlan_queue_retransmit(dev);
-		}
-		break;
+	case 5:
+	{
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit not registered\n");
+		priv->bad += 1;
+		/* debug=101; */
+		arlan_queue_retransmit(dev);
+	}
+	break;
 
-		default:
-		{
-			printk(KERN_ERR "arlan intr: transmit status unknown\n");
-			priv->bad += 1;
-			priv->reset = 1;
-			arlan_drop_tx(dev);
-		}
+	case 6:
+	{
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit destination full\n");
+		priv->bad += 1;
+		priv->reset = 0;
+		/* arlan_drop_tx(dev); */
+		arlan_queue_retransmit(dev);
+	}
+	break;
+
+	case 7:
+	{
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit unknown ack\n");
+		priv->bad += 1;
+		priv->reset = 0;
+		arlan_queue_retransmit(dev);
+	}
+	break;
+
+	case 8:
+	{
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit dest mail box full\n");
+		priv->bad += 1;
+		priv->reset = 0;
+		/* arlan_drop_tx(dev); */
+		arlan_queue_retransmit(dev);
+	}
+	break;
+
+	case 9:
+	{
+		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+			printk("arlan intr: transmit root dest not reg.\n");
+		priv->bad += 1;
+		priv->reset = 1;
+		/* arlan_drop_tx(dev); */
+		arlan_queue_retransmit(dev);
+	}
+	break;
+
+	default:
+	{
+		printk(KERN_ERR "arlan intr: transmit status unknown\n");
+		priv->bad += 1;
+		priv->reset = 1;
+		arlan_drop_tx(dev);
+	}
 	}
 
 	ARLAN_DEBUG_EXIT("arlan_tx_done_interrupt");
@@ -1408,134 +1309,126 @@ static void arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short
 
 
 	ARLAN_DEBUG_ENTRY("arlan_rx_interrupt");
-	// by spec,   not                WRITESHMB(arlan->rxStatus,0x00);
-	// prohibited here              arlan_command(dev, ARLAN_COMMAND_RX);
+	/* by spec,   not                WRITESHMB(arlan->rxStatus,0x00); */
+	/* prohibited here              arlan_command(dev, ARLAN_COMMAND_RX); */
 
-	if (pkt_len < 10 || pkt_len > 2048)
-	{
+	if (pkt_len < 10 || pkt_len > 2048) {
 		printk(KERN_WARNING "%s: got too short or long packet, len %d \n", dev->name, pkt_len);
 		return;
 	}
-	if (rxOffset + pkt_len > 0x2000)
-	{
+	if (rxOffset + pkt_len > 0x2000) {
 		printk("%s: got too long packet, len %d offset %x\n", dev->name, pkt_len, rxOffset);
 		return;
 	}
+
 	priv->in_bytes += pkt_len;
 	priv->in_bytes10 += pkt_len;
 	if (conf->measure_rate < 1)
 		conf->measure_rate = 1;
-	if (time_after(jiffies, priv->in_time + conf->measure_rate * HZ))
-	{
+	if (time_after(jiffies, priv->in_time + conf->measure_rate * HZ)) {
 		conf->in_speed = priv->in_bytes / conf->measure_rate;
 		priv->in_bytes = 0;
 		priv->in_time = jiffies;
 	}
-	if (time_after(jiffies, priv->in_time10 + conf->measure_rate * 10*HZ))
-	{
+	if (time_after(jiffies, priv->in_time10 + conf->measure_rate * 10*HZ)) {
 		conf->in_speed10 = priv->in_bytes10 / (10 * conf->measure_rate);
 		priv->in_bytes10 = 0;
 		priv->in_time10 = jiffies;
 	}
 	DEBUGSHM(1, "arlan rcv pkt rxStatus= %d ", arlan->rxStatus, u_char);
-	switch (rxStatus)
+	switch (rxStatus) {
+	case 1:
+	case 2:
+	case 3:
 	{
-		case 1:
-		case 2:
-		case 3:
-		{
-			/* Malloc up new buffer. */
-			struct sk_buff *skb;
+		/* Malloc up new buffer. */
+		struct sk_buff *skb;
 
-			DEBUGSHM(50, "arlan recv pkt offs=%d\n", arlan->rxOffset, u_short);
-			DEBUGSHM(1, "arlan rxFrmType = %d \n", arlan->rxFrmType, u_char);
-			DEBUGSHM(1, KERN_INFO "arlan rx scrambled = %d \n", arlan->scrambled, u_char);
+		DEBUGSHM(50, "arlan recv pkt offs=%d\n", arlan->rxOffset, u_short);
+		DEBUGSHM(1, "arlan rxFrmType = %d \n", arlan->rxFrmType, u_char);
+		DEBUGSHM(1, KERN_INFO "arlan rx scrambled = %d \n", arlan->scrambled, u_char);
 
-			/* here we do multicast filtering to avoid slow 8-bit memcopy */
+		/* here we do multicast filtering to avoid slow 8-bit memcopy */
 #ifdef ARLAN_MULTICAST
-			if (!(dev->flags & IFF_ALLMULTI) &&
-				!(dev->flags & IFF_PROMISC) &&
-				!netdev_mc_empty(dev))
-			{
-				char hw_dst_addr[6];
-				struct dev_mc_list *dmi;
-				int i;
+		if (!(dev->flags & IFF_ALLMULTI) &&
+			!(dev->flags & IFF_PROMISC) &&
+			!netdev_mc_empty(dev)) {
+			char hw_dst_addr[6];
+			struct dev_mc_list *dmi;
+			int i;
 
-				memcpy_fromio(hw_dst_addr, arlan->ultimateDestAddress, 6);
-				if (hw_dst_addr[0] == 0x01)
-				{
-					if (mdebug)
-						if (hw_dst_addr[1] == 0x00)
-							printk(KERN_ERR "%s mcast 0x0100 \n", dev->name);
-						else if (hw_dst_addr[1] == 0x40)
-							printk(KERN_ERR "%s m/bcast 0x0140 \n", dev->name);
-					netdev_for_each_mc_entry(dmi, dev) {
-						if (arlan_debug & ARLAN_DEBUG_HEADER_DUMP)
-							printk(KERN_ERR "%s mcl %pM\n",
-							       dev->name, dmi->dmi_addr);
-						for (i = 0; i < 6; i++)
-							if (dmi->dmi_addr[i] != hw_dst_addr[i])
-								break;
-						if (i == 6)
+			memcpy_fromio(hw_dst_addr, arlan->ultimateDestAddress, 6);
+			if (hw_dst_addr[0] == 0x01) {
+				if (mdebug)
+					if (hw_dst_addr[1] == 0x00)
+						printk(KERN_ERR "%s mcast 0x0100 \n", dev->name);
+					else if (hw_dst_addr[1] == 0x40)
+						printk(KERN_ERR "%s m/bcast 0x0140 \n", dev->name);
+				netdev_for_each_mc_entry(dmi, dev) {
+					if (arlan_debug & ARLAN_DEBUG_HEADER_DUMP)
+						printk(KERN_ERR "%s mcl %pM\n",
+						       dev->name, dmi->dmi_addr);
+					for (i = 0; i < 6; i++)
+						if (dmi->dmi_addr[i] != hw_dst_addr[i])
 							break;
-					}
-					/* we reach here if multicast filtering is on and packet 
-					 * is multicast and not for receive */
-					goto end_of_interrupt;
+					if (i == 6)
+						break;
 				}
+				/* we reach here if multicast filtering is on and packet */
+				/* is multicast and not for receive */
+				goto end_of_interrupt;
 			}
-#endif				// ARLAN_MULTICAST
-			/* multicast filtering ends here */
-			pkt_len += ARLAN_FAKE_HDR_LEN;
-
-			skb = dev_alloc_skb(pkt_len + 4);
-			if (skb == NULL)
-			{
-				printk(KERN_ERR "%s: Memory squeeze, dropping packet.\n", dev->name);
-				dev->stats.rx_dropped++;
-				break;
-			}
-			skb_reserve(skb, 2);
-			skbtmp = skb_put(skb, pkt_len);
-
-			memcpy_fromio(skbtmp + ARLAN_FAKE_HDR_LEN, ((char __iomem *) arlan) + rxOffset, pkt_len - ARLAN_FAKE_HDR_LEN);
-			memcpy_fromio(skbtmp, arlan->ultimateDestAddress, 6);
-			memcpy_fromio(skbtmp + 6, arlan->rxSrc, 6);
-			WRITESHMB(arlan->rxStatus, 0x00);
-			arlan_command(dev, ARLAN_COMMAND_RX);
-
-			IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
-			{
-				char immedDestAddress[6];
-				char immedSrcAddress[6];
-				memcpy_fromio(immedDestAddress, arlan->immedDestAddress, 6);
-				memcpy_fromio(immedSrcAddress, arlan->immedSrcAddress, 6);
-
-				printk(KERN_WARNING "%s t %pM f %pM imd %pM ims %pM\n",
-				       dev->name, skbtmp,
-				       &skbtmp[6],
-				       immedDestAddress,
-				       immedSrcAddress);
-			}
-			skb->protocol = eth_type_trans(skb, dev);
-			IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
-				if (skb->protocol != 0x608 && skb->protocol != 0x8)
-				{
-					for (i = 0; i <= 22; i++)
-						printk("%02x:", (u_char) skbtmp[i + 12]);
-					printk(KERN_ERR "\n");
-					printk(KERN_WARNING "arlan kernel pkt type trans %x \n", skb->protocol);
-				}
-			netif_rx(skb);
-			dev->stats.rx_packets++;
-			dev->stats.rx_bytes += pkt_len;
 		}
-		break;
-		
-		default:
-			printk(KERN_ERR "arlan intr: received unknown status\n");
-			dev->stats.rx_crc_errors++;
+#endif	/* ARLAN_MULTICAST */
+		/* multicast filtering ends here */
+		pkt_len += ARLAN_FAKE_HDR_LEN;
+
+		skb = dev_alloc_skb(pkt_len + 4);
+		if (skb == NULL) {
+			printk(KERN_ERR "%s: Memory squeeze, dropping packet.\n", dev->name);
+			dev->stats.rx_dropped++;
 			break;
+		}
+		skb_reserve(skb, 2);
+		skbtmp = skb_put(skb, pkt_len);
+
+		memcpy_fromio(skbtmp + ARLAN_FAKE_HDR_LEN, ((char __iomem *) arlan) + rxOffset, pkt_len - ARLAN_FAKE_HDR_LEN);
+		memcpy_fromio(skbtmp, arlan->ultimateDestAddress, 6);
+		memcpy_fromio(skbtmp + 6, arlan->rxSrc, 6);
+		WRITESHMB(arlan->rxStatus, 0x00);
+		arlan_command(dev, ARLAN_COMMAND_RX);
+
+		IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
+		{
+			char immedDestAddress[6];
+			char immedSrcAddress[6];
+			memcpy_fromio(immedDestAddress, arlan->immedDestAddress, 6);
+			memcpy_fromio(immedSrcAddress, arlan->immedSrcAddress, 6);
+
+			printk(KERN_WARNING "%s t %pM f %pM imd %pM ims %pM\n",
+			       dev->name, skbtmp,
+			       &skbtmp[6],
+			       immedDestAddress,
+			       immedSrcAddress);
+		}
+		skb->protocol = eth_type_trans(skb, dev);
+		IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
+			if (skb->protocol != 0x608 && skb->protocol != 0x8) {
+				for (i = 0; i <= 22; i++)
+					printk("%02x:", (u_char) skbtmp[i + 12]);
+				printk(KERN_ERR "\n");
+				printk(KERN_WARNING "arlan kernel pkt type trans %x \n", skb->protocol);
+			}
+		netif_rx(skb);
+		dev->stats.rx_packets++;
+		dev->stats.rx_bytes += pkt_len;
+	}
+	break;
+
+	default:
+		printk(KERN_ERR "arlan intr: received unknown status\n");
+		dev->stats.rx_crc_errors++;
+		break;
 	}
 	ARLAN_DEBUG_EXIT("arlan_rx_interrupt");
 }
@@ -1552,30 +1445,26 @@ static void arlan_process_interrupt(struct net_device *dev)
 
 	ARLAN_DEBUG_ENTRY("arlan_process_interrupt");
 
-	if (test_and_set_bit(0, (void *) &priv->interrupt_processing_active))
-	{
+	if (test_and_set_bit(0, (void *) &priv->interrupt_processing_active)) {
 		if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
 			printk(KERN_ERR "interrupt chain reentering \n");
 		goto end_int_process;
 	}
 	while ((rxStatus || txStatus || priv->interrupt_ack_requested)
-			&& (interrupt_count < 5))
-	{
+			&& (interrupt_count < 5)) {
 		if (rxStatus)
 			priv->last_rx_int_ack_time = jiffies;
 
 		arlan_command(dev, ARLAN_COMMAND_INT_ACK);
 		arlan_command(dev, ARLAN_COMMAND_INT_ENABLE);
-		
+
 		IFDEBUG(ARLAN_DEBUG_INTERRUPT)
 			printk(KERN_ERR "%s:  got IRQ rx %x tx %x comm %x rxOff %x rxLen %x \n",
 					dev->name, rxStatus, txStatus, READSHMB(arlan->commandByte),
 					rxOffset, pkt_len);
 
-		if (rxStatus == 0 && txStatus == 0)
-		{
-			if (priv->irq_test_done)
-			{
+		if (rxStatus == 0 && txStatus == 0) {
+			if (priv->irq_test_done) {
 				if (!registrationBad(dev))
 					IFDEBUG(ARLAN_DEBUG_INTERRUPT) printk(KERN_ERR "%s unknown interrupt(nop? regLost ?) reason tx %d rx %d ",
 										    dev->name, txStatus, rxStatus);
@@ -1587,35 +1476,35 @@ static void arlan_process_interrupt(struct net_device *dev)
 			priv->interrupt_ack_requested = 0;
 			goto ends;
 		}
-		if (txStatus != 0)
-		{
+
+		if (txStatus != 0) {
 			WRITESHMB(arlan->txStatus, 0x00);
 			arlan_tx_done_interrupt(dev, txStatus);
 			goto ends;
 		}
-		if (rxStatus == 1 || rxStatus == 2)
-		{		/* a packet waiting */
+
+		if (rxStatus == 1 || rxStatus == 2) {
+			/* a packet waiting */
 			arlan_rx_interrupt(dev, rxStatus, rxOffset, pkt_len);
 			goto ends;
 		}
-		if (rxStatus > 2 && rxStatus < 0xff)
-		{
+
+		if (rxStatus > 2 && rxStatus < 0xff) {
 			WRITESHMB(arlan->rxStatus, 0x00);
 			printk(KERN_ERR "%s unknown rxStatus reason tx %d rx %d ",
 				dev->name, txStatus, rxStatus);
 			goto ends;
 		}
-		if (rxStatus == 0xff)
-		{
+
+		if (rxStatus == 0xff) {
 			WRITESHMB(arlan->rxStatus, 0x00);
 			arlan_command(dev, ARLAN_COMMAND_RX);
 			if (registrationBad(dev))
 				netif_device_detach(dev);
-			if (!registrationBad(dev))
-			{
+			if (!registrationBad(dev)) {
 				priv->registrationLastSeen = jiffies;
 				if (!netif_queue_stopped(dev) && !priv->under_reset && !priv->under_config)
-					netif_wake_queue (dev);
+					netif_wake_queue(dev);
 			}
 			goto ends;
 		}
@@ -1657,7 +1546,7 @@ static irqreturn_t arlan_interrupt(int irq, void *dev_id)
 		priv->interrupt_ack_requested++;
 
 	arlan_process_interrupt(dev);
-	
+
 	priv->irq_test_done = 1;
 
 	ARLAN_DEBUG_EXIT("arlan_interrupt");
@@ -1687,7 +1576,7 @@ static int arlan_close(struct net_device *dev)
 }
 
 #ifdef ARLAN_DEBUGGING
-static long alignLong(volatile u_char * ptr)
+static long alignLong(volatile u_char *ptr)
 {
 	long ret;
 	memcpy_fromio(&ret, (void *) ptr, 4);
@@ -1740,16 +1629,13 @@ static void arlan_set_multicast(struct net_device *dev)
 
 	ARLAN_DEBUG_ENTRY("arlan_set_multicast");
 
-	if (dev->flags & IFF_PROMISC)
-	{
+	if (dev->flags & IFF_PROMISC) {
 		unsigned char recMode;
 		READSHM(recMode, arlan->receiveMode, u_char);
 		conf->receiveMode = (ARLAN_RCV_PROMISC | ARLAN_RCV_CONTROL);
 		if (conf->receiveMode != recMode)
 			board_conf_needed = 1;
-	}
-	else
-	{
+	} else {
 		/* turn off promiscuous mode  */
 		unsigned char recMode;
 		READSHM(recMode, arlan->receiveMode, u_char);
@@ -1757,6 +1643,7 @@ static void arlan_set_multicast(struct net_device *dev)
 		if (conf->receiveMode != recMode)
 			board_conf_needed = 1;
 	}
+
 	if (board_conf_needed)
 		arlan_command(dev, ARLAN_COMMAND_CONF);
 
@@ -1775,7 +1662,7 @@ struct net_device * __init arlan_probe(int unit)
 	if (arlans_found == MAX_ARLANS)
 		return ERR_PTR(-ENODEV);
 
-	/* 
+	/*
 	 * Reserve space for local data and a copy of the shared memory
 	 * that is used by the /proc interface.
 	 */
@@ -1787,23 +1674,20 @@ struct net_device * __init arlan_probe(int unit)
 	if (unit >= 0) {
 		sprintf(dev->name, "eth%d", unit);
 		netdev_boot_setup_check(dev);
-		
+
 		if (dev->mem_start) {
 			if (arlan_probe_here(dev, dev->mem_start) == 0)
 				goto found;
 			goto not_found;
 		}
-			
 	}
 
 
-	for (m = (int)phys_to_virt(lastFoundAt) + ARLAN_SHMEM_SIZE; 
-	     m <= (int)phys_to_virt(0xDE000); 
-	     m += ARLAN_SHMEM_SIZE)
-	{
-		if (arlan_probe_here(dev, m) == 0)
-		{
-			lastFoundAt = (int)virt_to_phys((void*)m);
+	for (m = (int)phys_to_virt(lastFoundAt) + ARLAN_SHMEM_SIZE;
+	     m <= (int)phys_to_virt(0xDE000);
+	     m += ARLAN_SHMEM_SIZE) {
+		if (arlan_probe_here(dev, m) == 0) {
+			lastFoundAt = (int)virt_to_phys((void *)m);
 			goto found;
 		}
 	}
@@ -1825,7 +1709,7 @@ struct net_device * __init arlan_probe(int unit)
 	return dev;
 }
 
-#ifdef  MODULE
+#ifdef MODULE
 int __init init_module(void)
 {
 	int i = 0;
@@ -1838,7 +1722,7 @@ int __init init_module(void)
 	for (i = 0; i < MAX_ARLANS; i++) {
 		struct net_device *dev = arlan_probe(i);
 
-		if (IS_ERR(dev)) 
+		if (IS_ERR(dev))
 			return PTR_ERR(dev);
 	}
 	init_arlan_proc();
@@ -1860,14 +1744,13 @@ void __exit cleanup_module(void)
 
 	cleanup_arlan_proc();
 
-	for (i = 0; i < MAX_ARLANS; i++)
-	{
+	for (i = 0; i < MAX_ARLANS; i++) {
 		dev = arlan_device[i];
 		if (dev) {
-			arlan_command(dev, ARLAN_COMMAND_POWERDOWN );
+			arlan_command(dev, ARLAN_COMMAND_POWERDOWN);
 
 			unregister_netdev(dev);
-			release_mem_region(virt_to_phys((void *) dev->mem_start), 
+			release_mem_region(virt_to_phys((void *) dev->mem_start),
 					   ARLAN_SHMEM_SIZE);
 			free_netdev(dev);
 			arlan_device[i] = NULL;

From b4c84c298bd3a2383dadceb64d2b5f23dc2adc61 Mon Sep 17 00:00:00 2001
From: Michael Tate <michael.tate@wanadoo.fr>
Date: Sat, 6 Mar 2010 15:03:57 +0400
Subject: [PATCH 0830/3638] staging: et131x: Fix brace coding style issues.

This revised patch fixes 2 brace coding style issues reported by checkpatch.pl
One warning line > 80 chars not resolved on maintainers advice.

Signed-off-by: Michael Tate <michael.tate@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/et131x/et131x_isr.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/et131x/et131x_isr.c b/drivers/staging/et131x/et131x_isr.c
index cb7f6775ce0..36f68fe3e8c 100644
--- a/drivers/staging/et131x/et131x_isr.c
+++ b/drivers/staging/et131x/et131x_isr.c
@@ -253,14 +253,12 @@ void et131x_isr_handler(struct work_struct *work)
 	 * exit.
 	 */
 	/* Handle all the completed Transmit interrupts */
-	if (status & ET_INTR_TXDMA_ISR) {
+	if (status & ET_INTR_TXDMA_ISR)
 		et131x_handle_send_interrupt(etdev);
-	}
 
 	/* Handle all the completed Receives interrupts */
-	if (status & ET_INTR_RXDMA_XFR_DONE) {
+	if (status & ET_INTR_RXDMA_XFR_DONE)
 		et131x_handle_recv_interrupt(etdev);
-	}
 
 	status &= 0xffffffd7;
 

From e3133b282af36665593b2802eaa591538ebe5f11 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Sat, 6 Mar 2010 20:44:33 +0100
Subject: [PATCH 0831/3638] staging: rtl8192su: move to EEPROM_93CX

this is basically a port of Larry Fingers Patch for rtl8187se to rtl8192su.
also removed some dead code.
plus cosmetics.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/Kconfig       |   1 +
 drivers/staging/rtl8192su/Makefile      |   1 -
 drivers/staging/rtl8192su/r8180_93cx6.c | 146 ------------------------
 drivers/staging/rtl8192su/r8180_93cx6.h |  40 -------
 drivers/staging/rtl8192su/r8192U.h      |   6 +
 drivers/staging/rtl8192su/r8192U_core.c | 111 ++++++++++--------
 6 files changed, 73 insertions(+), 232 deletions(-)
 delete mode 100644 drivers/staging/rtl8192su/r8180_93cx6.c
 delete mode 100644 drivers/staging/rtl8192su/r8180_93cx6.h

diff --git a/drivers/staging/rtl8192su/Kconfig b/drivers/staging/rtl8192su/Kconfig
index b72a96206f5..b422ea1ecf9 100644
--- a/drivers/staging/rtl8192su/Kconfig
+++ b/drivers/staging/rtl8192su/Kconfig
@@ -3,5 +3,6 @@ config RTL8192SU
 	depends on PCI && WLAN && USB
 	select WIRELESS_EXT
 	select WEXT_PRIV
+	select EEPROM_93CX6
 	default N
 	---help---
diff --git a/drivers/staging/rtl8192su/Makefile b/drivers/staging/rtl8192su/Makefile
index c8b4332d108..9374a0179e5 100644
--- a/drivers/staging/rtl8192su/Makefile
+++ b/drivers/staging/rtl8192su/Makefile
@@ -9,7 +9,6 @@ EXTRA_CFLAGS += -DTHOMAS_BEACON
 #EXTRA_CFLAGS += -DMUTIPLE_BULK_OUT
 
 r8192s_usb-objs :=		\
-	r8180_93cx6.o		\
 	r8192U_wx.o		\
 	r8192S_phy.o		\
 	r8192S_rtl6052.o	\
diff --git a/drivers/staging/rtl8192su/r8180_93cx6.c b/drivers/staging/rtl8192su/r8180_93cx6.c
deleted file mode 100644
index 8878cfeb0fb..00000000000
--- a/drivers/staging/rtl8192su/r8180_93cx6.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
-   This files contains card eeprom (93c46 or 93c56) programming routines,
-   memory is addressed by 16 bits words.
-
-   This is part of rtl8180 OpenSource driver.
-   Copyright (C) Andrea Merello 2004  <andreamrl@tiscali.it>
-   Released under the terms of GPL (General Public Licence)
-
-   Parts of this driver are based on the GPL part of the
-   official realtek driver.
-
-   Parts of this driver are based on the rtl8180 driver skeleton
-   from Patric Schenke & Andres Salomon.
-
-   Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver.
-
-   We want to tanks the Authors of those projects and the Ndiswrapper
-   project Authors.
-*/
-
-#include "r8180_93cx6.h"
-
-void eprom_cs(struct net_device *dev, short bit)
-{
-	if(bit)
-		write_nic_byte_E(dev, EPROM_CMD,
-			       (1<<EPROM_CS_SHIFT) | \
-			       read_nic_byte_E(dev, EPROM_CMD)); //enable EPROM
-	else
-		write_nic_byte_E(dev, EPROM_CMD, read_nic_byte_E(dev, EPROM_CMD)\
-			       &~(1<<EPROM_CS_SHIFT)); //disable EPROM
-
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-}
-
-
-void eprom_ck_cycle(struct net_device *dev)
-{
-	write_nic_byte_E(dev, EPROM_CMD,
-		       (1<<EPROM_CK_SHIFT) | read_nic_byte_E(dev,EPROM_CMD));
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-	write_nic_byte_E(dev, EPROM_CMD,
-		       read_nic_byte_E(dev, EPROM_CMD) &~ (1<<EPROM_CK_SHIFT));
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-}
-
-
-void eprom_w(struct net_device *dev,short bit)
-{
-	if(bit)
-		write_nic_byte_E(dev, EPROM_CMD, (1<<EPROM_W_SHIFT) | \
-			       read_nic_byte_E(dev,EPROM_CMD));
-	else
-		write_nic_byte_E(dev, EPROM_CMD, read_nic_byte_E(dev,EPROM_CMD)\
-			       &~(1<<EPROM_W_SHIFT));
-
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-}
-
-
-short eprom_r(struct net_device *dev)
-{
-	short bit;
-
-	bit=(read_nic_byte_E(dev, EPROM_CMD) & (1<<EPROM_R_SHIFT) );
-	udelay(EPROM_DELAY);
-
-	if(bit) return 1;
-	return 0;
-}
-
-
-void eprom_send_bits_string(struct net_device *dev, short b[], int len)
-{
-	int i;
-
-	for(i=0; i<len; i++){
-		eprom_w(dev, b[i]);
-		eprom_ck_cycle(dev);
-	}
-}
-
-
-u32 eprom_read(struct net_device *dev, u32 addr)
-{
-	struct r8192_priv *priv = ieee80211_priv(dev);
-	short read_cmd[]={1,1,0};
-	short addr_str[8];
-	int i;
-	int addr_len;
-	u32 ret;
-
-	ret=0;
-        //enable EPROM programming
-	write_nic_byte_E(dev, EPROM_CMD,
-		       (EPROM_CMD_PROGRAM<<EPROM_CMD_OPERATING_MODE_SHIFT));
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-
-	if (priv->epromtype==EPROM_93c56){
-		addr_str[7]=addr & 1;
-		addr_str[6]=addr & (1<<1);
-		addr_str[5]=addr & (1<<2);
-		addr_str[4]=addr & (1<<3);
-		addr_str[3]=addr & (1<<4);
-		addr_str[2]=addr & (1<<5);
-		addr_str[1]=addr & (1<<6);
-		addr_str[0]=addr & (1<<7);
-		addr_len=8;
-	}else{
-		addr_str[5]=addr & 1;
-		addr_str[4]=addr & (1<<1);
-		addr_str[3]=addr & (1<<2);
-		addr_str[2]=addr & (1<<3);
-		addr_str[1]=addr & (1<<4);
-		addr_str[0]=addr & (1<<5);
-		addr_len=6;
-	}
-	eprom_cs(dev, 1);
-	eprom_ck_cycle(dev);
-	eprom_send_bits_string(dev, read_cmd, 3);
-	eprom_send_bits_string(dev, addr_str, addr_len);
-
-	//keep chip pin D to low state while reading.
-	//I'm unsure if it is necessary, but anyway shouldn't hurt
-	eprom_w(dev, 0);
-
-	for(i=0;i<16;i++){
-		//eeprom needs a clk cycle between writing opcode&adr
-		//and reading data. (eeprom outs a dummy 0)
-		eprom_ck_cycle(dev);
-		ret |= (eprom_r(dev)<<(15-i));
-	}
-
-	eprom_cs(dev, 0);
-	eprom_ck_cycle(dev);
-
-	//disable EPROM programming
-	write_nic_byte_E(dev, EPROM_CMD,
-		       (EPROM_CMD_NORMAL<<EPROM_CMD_OPERATING_MODE_SHIFT));
-	return ret;
-}
diff --git a/drivers/staging/rtl8192su/r8180_93cx6.h b/drivers/staging/rtl8192su/r8180_93cx6.h
deleted file mode 100644
index 0309800255c..00000000000
--- a/drivers/staging/rtl8192su/r8180_93cx6.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
-	This is part of rtl8187 OpenSource driver
-	Copyright (C) Andrea Merello 2004-2005  <andreamrl@tiscali.it>
-	Released under the terms of GPL (General Public Licence)
-
-	Parts of this driver are based on the GPL part of the official realtek driver
-	Parts of this driver are based on the rtl8180 driver skeleton from Patric Schenke & Andres Salomon
-	Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver
-
-	We want to tanks the Authors of such projects and the Ndiswrapper project Authors.
-*/
-
-/*This files contains card eeprom (93c46 or 93c56) programming routines*/
-/*memory is addressed by WORDS*/
-
-#include "r8192U.h"
-#include "r8192S_hw.h"
-
-#define EPROM_DELAY 10
-
-#define EPROM_ANAPARAM_ADDRLWORD 0xd
-#define EPROM_ANAPARAM_ADDRHWORD 0xe
-
-#define EPROM_RFCHIPID 0x6
-#define EPROM_TXPW_BASE 0x05
-#define EPROM_RFCHIPID_RTL8225U 5
-#define EPROM_RF_PARAM 0x4
-#define EPROM_CONFIG2 0xc
-
-#define EPROM_VERSION 0x1E
-#define MAC_ADR 0x7
-
-#define CIS 0x18
-
-#define EPROM_TXPW0 0x16
-#define EPROM_TXPW2 0x1b
-#define EPROM_TXPW1 0x3d
-
-
-u32 eprom_read(struct net_device *dev,u32 addr); //reads a 16 bits word
diff --git a/drivers/staging/rtl8192su/r8192U.h b/drivers/staging/rtl8192su/r8192U.h
index ba87623f32e..83062525329 100644
--- a/drivers/staging/rtl8192su/r8192U.h
+++ b/drivers/staging/rtl8192su/r8192U.h
@@ -44,6 +44,12 @@
 
 #include "r8192S_firmware.h"
 
+/* EEPROM defs for use with linux/eeprom_93cx6.h */
+#define RTL819X_EEPROM_CMD_READ		(1 << 0)
+#define RTL819X_EEPROM_CMD_WRITE	(1 << 1)
+#define RTL819X_EEPROM_CMD_CK		(1 << 2)
+#define RTL819X_EEPROM_CMD_CS		(1 << 3)
+
 //#define RTL8192U
 #define RTL819xU_MODULE_NAME "rtl819xU"
 //added for HW security, john.0629
diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index e16256fe595..791cd51cfdd 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -26,6 +26,7 @@
 
 #include <linux/vmalloc.h>
 #include <linux/slab.h>
+#include <linux/eeprom_93cx6.h>
 
 #undef LOOP_TEST
 #undef DUMP_RX
@@ -54,7 +55,6 @@
 
 #include <asm/uaccess.h>
 #include "r8192U.h"
-#include "r8180_93cx6.h"   /* Card EEPROM */
 #include "r8192U_wx.h"
 
 #include "r8192S_rtl8225.h"
@@ -214,6 +214,36 @@ static CHANNEL_LIST ChannelPlan[] = {
 	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14}					//For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
 };
 
+static void rtl819x_eeprom_register_read(struct eeprom_93cx6 *eeprom)
+{
+	struct net_device *dev = eeprom->data;
+	u8 reg = read_nic_byte(dev, EPROM_CMD);
+
+	eeprom->reg_data_in = reg & RTL819X_EEPROM_CMD_WRITE;
+	eeprom->reg_data_out = reg & RTL819X_EEPROM_CMD_READ;
+	eeprom->reg_data_clock = reg & RTL819X_EEPROM_CMD_CK;
+	eeprom->reg_chip_select = reg & RTL819X_EEPROM_CMD_CS;
+}
+
+static void rtl819x_eeprom_register_write(struct eeprom_93cx6 *eeprom)
+{
+	struct net_device *dev = eeprom->data;
+	u8 reg = 2 << 6;
+
+	if (eeprom->reg_data_in)
+		reg |= RTL819X_EEPROM_CMD_WRITE;
+	if (eeprom->reg_data_out)
+		reg |= RTL819X_EEPROM_CMD_READ;
+	if (eeprom->reg_data_clock)
+		reg |= RTL819X_EEPROM_CMD_CK;
+	if (eeprom->reg_chip_select)
+		reg |= RTL819X_EEPROM_CMD_CS;
+
+	write_nic_byte(dev, EPROM_CMD, reg);
+	read_nic_byte(dev, EPROM_CMD);
+	udelay(10);
+}
+
 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
 {
 	int i, max_chan=-1, min_chan=-1;
@@ -1152,15 +1182,6 @@ void tx_timeout(struct net_device *dev)
 	//DMESG("TXTIMEOUT");
 }
 
-
-/* this is only for debug */
-void dump_eprom(struct net_device *dev)
-{
-	int i;
-	for(i=0; i<63; i++)
-		RT_TRACE(COMP_EPROM, "EEPROM addr %x : %x", i, eprom_read(dev,i));
-}
-
 /* this is only for debug */
 void rtl8192_dump_reg(struct net_device *dev)
 {
@@ -3531,26 +3552,32 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 //
 //	Created by Roger, 2008.10.21.
 //
-void
-rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
+void rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
 {
-	struct r8192_priv 	*priv = ieee80211_priv(dev);
-	u16			i,usValue;
-	u8			tmpU1b, tempval;
-	u16			EEPROMId;
-	u8			hwinfo[HWSET_MAX_SIZE_92S];
-	u8			rf_path, index;	// For EEPROM/EFUSE After V0.6_1117
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	u16 i;
+	u8 tmpU1b, tempval;
+	u16 EEPROMId;
+	u8 hwinfo[HWSET_MAX_SIZE_92S];
+	u8 rf_path, index;	// For EEPROM/EFUSE After V0.6_1117
+	struct eeprom_93cx6 eeprom;
+	u16 eeprom_val;
 
+	eeprom.data = dev;
+	eeprom.register_read = rtl819x_eeprom_register_read;
+	eeprom.register_write = rtl819x_eeprom_register_write;
+	if (priv->epromtype == EPROM_93c46)
+		eeprom.width = PCI_EEPROM_WIDTH_93C46;
+	else
+		eeprom.width = PCI_EEPROM_WIDTH_93C56;
 
 	RT_TRACE(COMP_INIT, "====> ReadAdapterInfo8192SUsb\n");
 
-	//
-	// <Roger_Note> The following operation are prevent Efuse leakage by turn on 2.5V.
-	// 2008.11.25.
-	//
+	/*
+	 * The following operation are prevent Efuse leakage by turn on 2.5V..
+	 */
 	tmpU1b = read_nic_byte(dev, EFUSE_TEST+3);
 	write_nic_byte(dev, EFUSE_TEST+3, tmpU1b|0x80);
-	//PlatformStallExecution(1000);
 	mdelay(10);
 	write_nic_byte(dev, EFUSE_TEST+3, (tmpU1b&(~BIT7)));
 
@@ -3558,21 +3585,20 @@ rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
 	priv->card_8192_version = (VERSION_8192S)((read_nic_dword(dev, PMC_FSM)>>16)&0xF);
 	RT_TRACE(COMP_INIT, "Chip Version ID: 0x%2x\n", priv->card_8192_version);
 
-	switch(priv->card_8192_version)
-	{
-		case 0:
-			RT_TRACE(COMP_INIT, "Chip Version ID: VERSION_8192S_ACUT.\n");
-			break;
-		case 1:
-			RT_TRACE(COMP_INIT, "Chip Version ID: VERSION_8192S_BCUT.\n");
-			break;
-		case 2:
-			RT_TRACE(COMP_INIT, "Chip Version ID: VERSION_8192S_CCUT.\n");
-			break;
-		default:
-			RT_TRACE(COMP_INIT, "Unknown Chip Version!!\n");
-			priv->card_8192_version = VERSION_8192S_BCUT;
-			break;
+	switch (priv->card_8192_version) {
+	case 0:
+		RT_TRACE(COMP_INIT, "Chip Version ID: VERSION_8192S_ACUT.\n");
+		break;
+	case 1:
+		RT_TRACE(COMP_INIT, "Chip Version ID: VERSION_8192S_BCUT.\n");
+		break;
+	case 2:
+		RT_TRACE(COMP_INIT, "Chip Version ID: VERSION_8192S_CCUT.\n");
+		break;
+	default:
+		RT_TRACE(COMP_INIT, "Unknown Chip Version!!\n");
+		priv->card_8192_version = VERSION_8192S_BCUT;
+		break;
 	}
 
 	//if (IS_BOOT_FROM_EEPROM(Adapter))
@@ -3585,8 +3611,8 @@ rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
 		// Read all Content from EEPROM or EFUSE.
 		for(i = 0; i < HWSET_MAX_SIZE_92S; i += 2)
 		{
-			usValue = eprom_read(dev, (u16) (i>>1));
-			*((u16*)(&hwinfo[i])) = usValue;
+			eeprom_93cx6_read(&eeprom, (u16) (i>>1), &eeprom_val);
+			*((u16 *)(&hwinfo[i])) = eeprom_val;
 		}
 	}
 	else if (!(priv->EepromOrEfuse))
@@ -4138,11 +4164,6 @@ short rtl8192_init(struct net_device *dev)
 	init_timer(&priv->watch_dog_timer);
 	priv->watch_dog_timer.data = (unsigned long)dev;
 	priv->watch_dog_timer.function = watch_dog_timer_callback;
-
-	//rtl8192_adapter_start(dev);
-#ifdef DEBUG_EPROM
-	dump_eprom(dev);
-#endif
 	return 0;
 }
 

From 4ab372408208b7c92e986b1a283072c43b17bde5 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Sat, 6 Mar 2010 20:44:54 +0100
Subject: [PATCH 0832/3638] staging: rtl8192su: remove re-declaration of
 counter i

variable i is declared integer in rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail.
a few lines down it is re-declared u8.
removed the re-declaration.
plus cosmetics

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192U_core.c | 91 ++++++++++++-------------
 1 file changed, 42 insertions(+), 49 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 791cd51cfdd..6a87a43dfc5 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -3427,34 +3427,28 @@ void update_hal_variables(struct r8192_priv *priv)
 	}
 }
 
-//
-//	Description:
-//		Config HW adapter information into initial value.
-//
-//	Assumption:
-//		1. After Auto load fail(i.e, check CR9346 fail)
-//
-//	Created by Roger, 2008.10.21.
-//
-void
-rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
+/*
+ * Description:
+ *	Config HW adapter information into initial value.
+ *
+ *	Assumption:
+ *		1. After Auto load fail(i.e, check CR9346 fail)
+ *
+ */
+void rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device *dev)
 {
-	struct r8192_priv 	*priv = ieee80211_priv(dev);
-	//u16			i,usValue;
-	//u8 sMacAddr[6] = {0x00, 0xE0, 0x4C, 0x81, 0x92, 0x00};
-	u8		rf_path;	// For EEPROM/EFUSE After V0.6_1117
-	int	i;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	u8 rf_path;	/* For EEPROM/EFUSE After V0.6_1117 */
+	int i;
 
 	RT_TRACE(COMP_INIT, "====> ConfigAdapterInfo8192SForAutoLoadFail\n");
 
-	write_nic_byte(dev, SYS_ISO_CTRL+1, 0xE8); // Isolation signals from Loader
-	//PlatformStallExecution(10000);
+	/* Isolation signals from Loader */
+	write_nic_byte(dev, SYS_ISO_CTRL+1, 0xE8);
 	mdelay(10);
-	write_nic_byte(dev, PMC_FSM, 0x02); // Enable Loader Data Keep
+	write_nic_byte(dev, PMC_FSM, 0x02); /* Enable Loader Data Keep */
 
-	//RT_ASSERT(priv->AutoloadFailFlag==TRUE, ("ReadAdapterInfo8192SEEPROM(): AutoloadFailFlag !=TRUE\n"));
-
-	// Initialize IC Version && Channel Plan
+	/* Initialize IC Version && Channel Plan */
 	priv->eeprom_vid = 0;
 	priv->eeprom_pid = 0;
 	priv->card_8192_version = 0;
@@ -3465,12 +3459,14 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 
 	RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
 	RT_TRACE(COMP_INIT, "EEPROM PID = 0x%4x\n", priv->eeprom_pid);
-	RT_TRACE(COMP_INIT, "EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
-	RT_TRACE(COMP_INIT, "EEPROM SubCustomer ID: 0x%2x\n", priv->eeprom_SubCustomerID);
-	RT_TRACE(COMP_INIT, "EEPROM ChannelPlan = 0x%4x\n", priv->eeprom_ChannelPlan);
-	RT_TRACE(COMP_INIT, "IgnoreDiffRateTxPowerOffset = %d\n", priv->bIgnoreDiffRateTxPowerOffset);
-
-
+	RT_TRACE(COMP_INIT, "EEPROM Customer ID: 0x%2x\n",
+					priv->eeprom_CustomerID);
+	RT_TRACE(COMP_INIT, "EEPROM SubCustomer ID: 0x%2x\n",
+					priv->eeprom_SubCustomerID);
+	RT_TRACE(COMP_INIT, "EEPROM ChannelPlan = 0x%4x\n",
+					priv->eeprom_ChannelPlan);
+	RT_TRACE(COMP_INIT, "IgnoreDiffRateTxPowerOffset = %d\n",
+					priv->bIgnoreDiffRateTxPowerOffset);
 
 	priv->EEPROMUsbOption = EEPROM_USB_Default_OPTIONAL_FUNC;
 	RT_TRACE(COMP_INIT, "USB Option = %#x\n", priv->EEPROMUsbOption);
@@ -3478,19 +3474,15 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 	for(i=0; i<5; i++)
 		priv->EEPROMUsbPhyParam[i] = EEPROM_USB_Default_PHY_PARAM;
 
-	//RT_PRINT_DATA(COMP_INIT|COMP_EFUSE, DBG_LOUD, ("EFUSE USB PHY Param: \n"), priv->EEPROMUsbPhyParam, 5);
-
 	{
-	//<Roger_Notes> In this case, we random assigh MAC address here. 2008.10.15.
+	/*
+	 * In this case, we randomly assign a MAC address here.
+	 */
 		static u8 sMacAddr[6] = {0x00, 0xE0, 0x4C, 0x81, 0x92, 0x00};
-		u8	i;
-
-        	//sMacAddr[5] = (u8)GetRandomNumber(1, 254);
-
 		for(i = 0; i < 6; i++)
 			dev->dev_addr[i] = sMacAddr[i];
 	}
-	//NicIFSetMacAddress(Adapter, Adapter->PermanentAddress);
+	/* NicIFSetMacAddress(Adapter, Adapter->PermanentAddress); */
 	write_nic_dword(dev, IDR0, ((u32*)dev->dev_addr)[0]);
 	write_nic_word(dev, IDR4, ((u16*)(dev->dev_addr + 4))[0]);
 
@@ -3499,7 +3491,7 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 		dev->dev_addr);
 
 	priv->EEPROMBoardType = EEPROM_Default_BoardType;
-	priv->rf_type = RF_1T2R; //RF_2T2R
+	priv->rf_type = RF_1T2R; /* RF_2T2R */
 	priv->EEPROMTxPowerDiff = EEPROM_Default_PwDiff;
 	priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
 	priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
@@ -3508,13 +3500,11 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 	priv->EEPROMTSSI_B = EEPROM_Default_TSSI;
 	priv->EEPROMTxPwrTkMode = EEPROM_Default_TxPwrTkMode;
 
-
-
 	for (rf_path = 0; rf_path < 2; rf_path++)
 	{
 		for (i = 0; i < 3; i++)
 		{
-			// Read CCK RF A & B Tx power
+			/* Read CCK RF A & B Tx power */
 			priv->RfCckChnlAreaTxPwr[rf_path][i] =
 			priv->RfOfdmChnlAreaTxPwr1T[rf_path][i] =
 			priv->RfOfdmChnlAreaTxPwr2T[rf_path][i] =
@@ -3524,22 +3514,25 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 
 	update_hal_variables(priv);
 
-	//
-	// Update remained HAL variables.
-	//
+	/*
+	 * Update remaining HAL variables.
+	 */
 	priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
-	priv->LegacyHTTxPowerDiff = priv->EEPROMTxPowerDiff;//new
+	priv->LegacyHTTxPowerDiff = priv->EEPROMTxPowerDiff; /* new */
 	priv->TxPowerDiff = priv->EEPROMTxPowerDiff;
-	//priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);// Antenna B gain offset to antenna A, bit0~3
-	//priv->AntennaTxPwDiff[1] = ((priv->EEPROMTxPowerDiff & 0xf0)>>4);// Antenna C gain offset to antenna A, bit4~7
-	priv->CrystalCap = priv->EEPROMCrystalCap;	// CrystalCap, bit12~15
-	priv->ThermalMeter[0] = priv->EEPROMThermalMeter;// ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
+	/* Antenna B gain offset to antenna A, bit0~3 */
+	/* priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf); */
+	/* Antenna C gain offset to antenna A, bit4~7 */
+	/* priv->AntennaTxPwDiff[1] = ((priv->EEPROMTxPowerDiff & 0xf0)>>4); */
+	/* CrystalCap, bit12~15 */
+	priv->CrystalCap = priv->EEPROMCrystalCap;
+	/* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2 */
+	priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
 	priv->LedStrategy = SW_LED_MODE0;
 
 	init_rate_adaptive(dev);
 
 	RT_TRACE(COMP_INIT, "<==== ConfigAdapterInfo8192SForAutoLoadFail\n");
-
 }
 
 //

From 458659e2ada5c21aedae2b647588150ee90177b0 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Sat, 6 Mar 2010 20:45:11 +0100
Subject: [PATCH 0833/3638] staging: rtl8192su: remove extern keyword, remove
 static declaration

removed extern keyword from rtl819x_watchdog_wqcallback.
removed static declaration from variable check_reset_cnt.
changed NumRxOkInPeriod and NumTxOkInPeriod comparison
in function rtl819x_watchdog_wqcallback to 666; we're not on windows.
plus cosmetics.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192U_core.c | 124 +++++++++++++-----------
 1 file changed, 66 insertions(+), 58 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 6a87a43dfc5..7fe1cedb3e9 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -5524,85 +5524,93 @@ void rtl819x_update_rxcounts(
 	}
 }
 
-extern	void	rtl819x_watchdog_wqcallback(struct work_struct *work)
+void rtl819x_watchdog_wqcallback(struct work_struct *work)
 {
-	struct delayed_work *dwork = container_of(work,struct delayed_work,work);
-       struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
-       struct net_device *dev = priv->ieee80211->dev;
+	struct delayed_work *dwork = container_of(work,
+						struct delayed_work,
+						work);
+	struct r8192_priv *priv = container_of(dwork,
+						struct r8192_priv,
+						watch_dog_wq);
+	struct net_device *dev = priv->ieee80211->dev;
 	struct ieee80211_device* ieee = priv->ieee80211;
-	RESET_TYPE	ResetType = RESET_TYPE_NORESET;
-      	static u8	check_reset_cnt=0;
+	RESET_TYPE ResetType = RESET_TYPE_NORESET;
+	u8 check_reset_cnt = 0;
 	bool bBusyTraffic = false;
 
 	if(!priv->up)
 		return;
 	hal_dm_watchdog(dev);
 
-	{//to get busy traffic condition
-		if(ieee->state == IEEE80211_LINKED)
-		{
-			//windows mod 666 to 100.
-			//if(	ieee->LinkDetectInfo.NumRxOkInPeriod> 666 ||
-			//	ieee->LinkDetectInfo.NumTxOkInPeriod> 666 ) {
-			if(	ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
-				ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
+	/* to get busy traffic condition */
+	if (ieee->state == IEEE80211_LINKED) {
+		if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
+			ieee->LinkDetectInfo.NumTxOkInPeriod > 666)
 				bBusyTraffic = true;
-			}
-			ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
-			ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
-			ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
-		}
-	}
-	//added by amy for AP roaming
-	{
-		if(priv->ieee80211->state == IEEE80211_LINKED && priv->ieee80211->iw_mode == IW_MODE_INFRA)
-		{
-			u32	TotalRxBcnNum = 0;
-			u32	TotalRxDataNum = 0;
 
-			rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
-			if((TotalRxBcnNum+TotalRxDataNum) == 0)
-			{
-				#ifdef TODO
-				if(rfState == eRfOff)
-					RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
-				#endif
-				printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
-			//	Dot11d_Reset(dev);
-				priv->ieee80211->state = IEEE80211_ASSOCIATING;
-				notify_wx_assoc_event(priv->ieee80211);
-				RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
-				ieee->is_roaming = true;
-				priv->ieee80211->link_change(dev);
-                                queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq);
-			}
+		ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
+		ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
+		ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
+	}
+
+	if (priv->ieee80211->state == IEEE80211_LINKED &&
+				priv->ieee80211->iw_mode == IW_MODE_INFRA) {
+		u32 TotalRxBcnNum = 0;
+		u32 TotalRxDataNum = 0;
+		rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
+		if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
+			#ifdef TODO
+			if (rfState == eRfOff)
+				RT_TRACE(COMP_ERR, "========>%s()\n",
+								__func__);
+			#endif
+			RT_TRACE(COMP_ERR, "=>%s(): AP is power off,"
+					"connect another one\n", __func__);
+			/* Dot11d_Reset(dev); */
+			priv->ieee80211->state = IEEE80211_ASSOCIATING;
+			notify_wx_assoc_event(priv->ieee80211);
+			RemovePeerTS(priv->ieee80211,
+					priv->ieee80211->current_network.bssid);
+
+			ieee->is_roaming = true;
+			priv->ieee80211->link_change(dev);
+			queue_work(priv->ieee80211->wq,
+				&priv->ieee80211->associate_procedure_wq);
 		}
-		priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod=0;
-		priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod=0;
 	}
-//	CAM_read_entry(dev,4);
-	//check if reset the driver
-	if(check_reset_cnt++ >= 3 && !ieee->is_roaming)
-	{
-    		ResetType = rtl819x_ifcheck_resetornot(dev);
+	priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
+	priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
+
+	/*
+	 * CAM_read_entry(dev,4);
+	 * check if reset the driver
+	 */
+	if (check_reset_cnt++ >= 3 && !ieee->is_roaming) {
+		ResetType = rtl819x_ifcheck_resetornot(dev);
 		check_reset_cnt = 3;
-		//DbgPrint("Start to check silent reset\n");
 	}
-	//	RT_TRACE(COMP_RESET,"%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",__FUNCTION__,priv->force_reset,priv->ResetProgress,priv->bForcedSilentReset,priv->bDisableNormalResetCheck,ResetType);
-#if 1
-	if( (priv->force_reset) || (priv->ResetProgress==RESET_TYPE_NORESET &&
+	if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
 		(priv->bForcedSilentReset ||
-		(!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT)))) // This is control by OID set in Pomelo
-	{
-		RT_TRACE(COMP_RESET,"%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",__FUNCTION__,priv->force_reset,priv->ResetProgress,priv->bForcedSilentReset,priv->bDisableNormalResetCheck,ResetType);
+		(!priv->bDisableNormalResetCheck &&
+		 /* This is control by OID set in Pomelo */
+		ResetType == RESET_TYPE_SILENT)))) {
+		RT_TRACE(COMP_RESET, "%s():priv->force_reset is %d,"
+			"priv->ResetProgress is %d, "
+			"priv->bForcedSilentReset is %d, "
+			"priv->bDisableNormalResetCheck is %d, "
+			"ResetType is %d\n",
+					__func__,
+					priv->force_reset,
+					priv->ResetProgress,
+					priv->bForcedSilentReset,
+					priv->bDisableNormalResetCheck,
+					ResetType);
 		rtl819x_ifsilentreset(dev);
 	}
-#endif
 	priv->force_reset = false;
 	priv->bForcedSilentReset = false;
 	priv->bResetInProgress = false;
 	RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
-
 }
 
 void watch_dog_timer_callback(unsigned long data)

From 8dba599d89711b4f731fcc1d135de5ffd69eb360 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Sat, 6 Mar 2010 20:45:25 +0100
Subject: [PATCH 0834/3638] staging: rtl8192su: cleanup of r819xU_cmdpkt.c,
 r819xU_cmdpkt.c

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r819xU_cmdpkt.c | 652 +++++++---------------
 drivers/staging/rtl8192su/r819xU_cmdpkt.h | 324 ++++++-----
 2 files changed, 375 insertions(+), 601 deletions(-)

diff --git a/drivers/staging/rtl8192su/r819xU_cmdpkt.c b/drivers/staging/rtl8192su/r819xU_cmdpkt.c
index 3ebfe79bb66..9b377bae47b 100644
--- a/drivers/staging/rtl8192su/r819xU_cmdpkt.c
+++ b/drivers/staging/rtl8192su/r819xU_cmdpkt.c
@@ -1,384 +1,250 @@
-/******************************************************************************
-
-     (c) Copyright 2008, RealTEK Technologies Inc. All Rights Reserved.
-
- Module:	r819xusb_cmdpkt.c	(RTL8190 TX/RX command packet handler Source C File)
-
- Note:      The module is responsible for handling TX and RX command packet.
- 			1. TX : Send set and query configuration command packet.
- 			2. RX : Receive tx feedback, beacon state, query configuration
- 			        command packet.
-
- Function:
-
- Export:
-
- Abbrev:
-
- History:
-	Data		Who		Remark
-
-	05/06/2008  amy    	Create initial version porting from windows driver.
-
-******************************************************************************/
+/*
+ * (c) Copyright 2008, RealTEK Technologies Inc. All Rights Reserved.
+ *
+ * Module: r819xusb_cmdpkt.c
+ * (RTL8190 TX/RX command packet handler Source C File)
+ *
+ * Note: The module is responsible for handling TX and RX command packet.
+ * 1.TX: Send set and query configuration command packet.
+ * 2.RX: Receive tx feedback, beacon state, query configuration, command packet.
+ */
 #include "r8192U.h"
 #include "r819xU_cmdpkt.h"
-/*---------------------------Define Local Constant---------------------------*/
-/* Debug constant*/
-#define		CMPK_DEBOUNCE_CNT			1
-/* 2007/10/24 MH Add for printing a range of data. */
-#define		CMPK_PRINT(Address)\
-{\
-	unsigned char	i;\
-	u32	temp[10];\
-	\
-	memcpy(temp, Address, 40);\
-	for (i = 0; i <40; i+=4)\
-		printk("\r\n %08x", temp[i]);\
-}\
-/*---------------------------Define functions---------------------------------*/
 
-bool
-SendTxCommandPacket(
-	struct net_device *dev,
-	void* 			pData,
-	u32				DataLen
-	)
+bool SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
 {
 	bool	rtStatus = true;
 	struct r8192_priv   *priv = ieee80211_priv(dev);
 	struct sk_buff	    *skb;
 	cb_desc		    *tcb_desc;
 	unsigned char	    *ptr_buf;
-	//bool	bLastInitPacket = false;
 
-	//PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK);
+	/* PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK); */
 
-	//Get TCB and local buffer from common pool. (It is shared by CmdQ, MgntQ, and USB coalesce DataQ)
+	/*
+	 * Get TCB and local buffer from common pool.
+	 * (It is shared by CmdQ, MgntQ, and USB coalesce DataQ)
+	 */
 	skb  = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);
-	memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
-	tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE);
+	memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
+	tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 	tcb_desc->queue_index = TXCMD_QUEUE;
 	tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_NORMAL;
 	tcb_desc->bLastIniPkt = 0;
 	skb_reserve(skb, USB_HWDESC_HEADER_LEN);
 	ptr_buf = skb_put(skb, DataLen);
-	memset(ptr_buf,0,DataLen);
-	memcpy(ptr_buf,pData,DataLen);
-	tcb_desc->txbuf_size= (u16)DataLen;
+	memset(ptr_buf, 0, DataLen);
+	memcpy(ptr_buf, pData, DataLen);
+	tcb_desc->txbuf_size = (u16)DataLen;
 
-	if(!priv->ieee80211->check_nic_enough_desc(dev,tcb_desc->queue_index)||
-			(!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index]))||\
-			(priv->ieee80211->queue_stop) ) {
-			RT_TRACE(COMP_FIRMWARE,"===================NULL packet==================================> tx full!\n");
+	if (!priv->ieee80211->check_nic_enough_desc(dev, tcb_desc->queue_index) ||
+		(!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index])) ||
+			(priv->ieee80211->queue_stop)) {
+			RT_TRACE(COMP_FIRMWARE, "NULL packet => tx full\n");
 			skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
 		} else {
-			priv->ieee80211->softmac_hard_start_xmit(skb,dev);
+			priv->ieee80211->softmac_hard_start_xmit(skb, dev);
 		}
 
 	//PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK);
 	return rtStatus;
 }
 
-/*-----------------------------------------------------------------------------
+/*
  * Function:	cmpk_message_handle_tx()
  *
  * Overview:	Driver internal module can call the API to send message to
- *				firmware side. For example, you can send a debug command packet.
- *				Or you can send a request for FW to modify RLX4181 LBUS HW bank.
- *				Otherwise, you can change MAC/PHT/RF register by firmware at
- *				run time. We do not support message more than one segment now.
+ *		firmware side. For example, you can send a debug command packet.
+ *		Or you can send a request for FW to modify RLX4181 LBUS HW bank.
+ *		Otherwise, you can change MAC/PHT/RF register by firmware at
+ *		run time. We do not support message more than one segment now.
  *
  * Input:		NONE
  *
  * Output:		NONE
  *
  * Return:		NONE
- *
- * Revised History:
- *	When		Who		Remark
- *	05/06/2008	amy		porting from windows code.
- *
- *---------------------------------------------------------------------------*/
+ */
  extern	bool	cmpk_message_handle_tx(
 	struct net_device *dev,
-	u8*	codevirtualaddress,
+	u8 *codevirtualaddress,
 	u32	packettype,
 	u32	buffer_len)
 {
-
-	bool 	    rt_status = true;
+	bool rt_status = true;
 	return rt_status;
-}	/* CMPK_Message_Handle_Tx */
+}
 
-/*-----------------------------------------------------------------------------
- * Function:    cmpk_counttxstatistic()
- *
- * Overview:
- *
- * Input:       PADAPTER 	pAdapter		-	.
- *				CMPK_TXFB_T *psTx_FB	-	.
- *
- * Output:      NONE
- *
- * Return:      NONE
- *
- * Revised History:
- *  When		Who		Remark
- *  05/12/2008	amy 	Create Version 0 porting from windows code.
- *
- *---------------------------------------------------------------------------*/
+/*
+ * Function: cmpk_counttxstatistic()
+ */
 static	void
-cmpk_count_txstatistic(
-	struct net_device *dev,
-	cmpk_txfb_t	*pstx_fb)
+cmpk_count_txstatistic(struct net_device *dev, cmpk_txfb_t *pstx_fb)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 #ifdef ENABLE_PS
-	RT_RF_POWER_STATE	rtState;
+	RT_RF_POWER_STATE rtState;
 
-	pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState));
+	pAdapter->HalFunc.GetHwRegHandler(pAdapter,
+						HW_VAR_RF_STATE,
+						(pu1Byte)(&rtState));
 
-	// When RF is off, we should not count the packet for hw/sw synchronize
-	// reason, ie. there may be a duration while sw switch is changed and hw
-	// switch is being changed. 2006.12.04, by shien chang.
+	/*
+	 * When RF is off, we should not count the packet for hw/sw synchronize
+	 * reason, ie. there may be a duration while sw switch is changed and hw
+	 * switch is being changed.
+	 */
 	if (rtState == eRfOff)
-	{
 		return;
-	}
 #endif
 
 #ifdef TODO
-	if(pAdapter->bInHctTest)
+	if (pAdapter->bInHctTest)
 		return;
 #endif
-	/* We can not know the packet length and transmit type: broadcast or uni
-	   or multicast. So the relative statistics must be collected in tx
-	   feedback info. */
-	if (pstx_fb->tok)
-	{
+	/*
+	 * We can not know the packet length and transmit type:
+	 * broadcast or uni or multicast.
+	 * So the relative statistics must be collected in tx feedback info
+	 */
+	if (pstx_fb->tok) {
 		priv->stats.txfeedbackok++;
 		priv->stats.txoktotal++;
 		priv->stats.txokbytestotal += pstx_fb->pkt_length;
 		priv->stats.txokinperiod++;
-
 		/* We can not make sure broadcast/multicast or unicast mode. */
-		if (pstx_fb->pkt_type == PACKET_MULTICAST)
-		{
+		if (pstx_fb->pkt_type == PACKET_MULTICAST) {
 			priv->stats.txmulticast++;
 			priv->stats.txbytesmulticast += pstx_fb->pkt_length;
-		}
-		else if (pstx_fb->pkt_type == PACKET_BROADCAST)
-		{
+		} else if (pstx_fb->pkt_type == PACKET_BROADCAST) {
 			priv->stats.txbroadcast++;
 			priv->stats.txbytesbroadcast += pstx_fb->pkt_length;
-		}
-		else
-		{
+		} else {
 			priv->stats.txunicast++;
 			priv->stats.txbytesunicast += pstx_fb->pkt_length;
 		}
-	}
-	else
-	{
+	} else {
 		priv->stats.txfeedbackfail++;
 		priv->stats.txerrtotal++;
 		priv->stats.txerrbytestotal += pstx_fb->pkt_length;
-
 		/* We can not make sure broadcast/multicast or unicast mode. */
 		if (pstx_fb->pkt_type == PACKET_MULTICAST)
-		{
 			priv->stats.txerrmulticast++;
-		}
 		else if (pstx_fb->pkt_type == PACKET_BROADCAST)
-		{
 			priv->stats.txerrbroadcast++;
-		}
 		else
-		{
 			priv->stats.txerrunicast++;
-		}
 	}
-
 	priv->stats.txretrycount += pstx_fb->retry_cnt;
 	priv->stats.txfeedbackretry += pstx_fb->retry_cnt;
+}
 
-}	/* cmpk_CountTxStatistic */
-
-
-
-/*-----------------------------------------------------------------------------
+/*
  * Function:    cmpk_handle_tx_feedback()
  *
  * Overview:	The function is responsible for extract the message inside TX
- *				feedbck message from firmware. It will contain dedicated info in
- *				ws-06-0063-rtl8190-command-packet-specification. Please
- *				refer to chapter "TX Feedback Element". We have to read 20 bytes
- *				in the command packet.
+ *		feedbck message from firmware. It will contain dedicated info in
+ *		ws-06-0063-rtl8190-command-packet-specification. Please
+ *		refer to chapter "TX Feedback Element". We have to read 20 bytes
+ *		in the command packet.
  *
  * Input:       struct net_device *    dev
- *				u8 	*	pmsg		-	Msg Ptr of the command packet.
+ *				u8 *pmsg - Msg Ptr of the command packet.
  *
  * Output:      NONE
  *
  * Return:      NONE
- *
- * Revised History:
- *  When		Who		Remark
- *  05/08/2008	amy		Create Version 0 porting from windows code.
- *
- *---------------------------------------------------------------------------*/
-static	void
-cmpk_handle_tx_feedback(
-	struct net_device *dev,
-	u8	*	pmsg)
+ */
+static void cmpk_handle_tx_feedback(struct net_device *dev, u8 *pmsg)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
-	cmpk_txfb_t		rx_tx_fb;	/* */
+	cmpk_txfb_t rx_tx_fb;
 
 	priv->stats.txfeedback++;
 
-	/* 0. Display received message. */
-	//cmpk_Display_Message(CMPK_RX_TX_FB_SIZE, pMsg);
-
 	/* 1. Extract TX feedback info from RFD to temp structure buffer. */
+	memcpy((u8 *)&rx_tx_fb, pmsg, sizeof(cmpk_txfb_t));
 
-	/* 2007/07/05 MH Use pointer to transfer structure memory. */
-	//memcpy((UINT8 *)&rx_tx_fb, pMsg, sizeof(CMPK_TXFB_T));
-	memcpy((u8*)&rx_tx_fb, pmsg, sizeof(cmpk_txfb_t));
 	/* 2. Use tx feedback info to count TX statistics. */
 	cmpk_count_txstatistic(dev, &rx_tx_fb);
+}
 
-	/* 2007/01/17 MH Comment previous method for TX statistic function. */
-	/* Collect info TX feedback packet to fill TCB. */
-	/* We can not know the packet length and transmit type: broadcast or uni
-	   or multicast. */
-	//CountTxStatistics( pAdapter, &tcb );
-
-}	/* cmpk_Handle_Tx_Feedback */
-
-void
-cmdpkt_beacontimerinterrupt_819xusb(
-	struct net_device *dev
-)
+void cmdpkt_beacontimerinterrupt_819xusb(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	u16 tx_rate;
-	{
-		//
-		// 070117, rcnjko: 87B have to S/W beacon for DTM encryption_cmn.
-		//
-		if(priv->ieee80211->current_network.mode == IEEE_A  ||
-			priv->ieee80211->current_network.mode == IEEE_N_5G ||
-			(priv->ieee80211->current_network.mode == IEEE_N_24G  && (!priv->ieee80211->pHTInfo->bCurSuppCCK)))
-		{
-			tx_rate = 60;
-			DMESG("send beacon frame  tx rate is 6Mbpm\n");
-		}
-		else
-		{
-			tx_rate =10;
-			DMESG("send beacon frame  tx rate is 1Mbpm\n");
-		}
-
-		rtl819xusb_beacon_tx(dev,tx_rate); // HW Beacon
 
+	if (priv->ieee80211->current_network.mode == IEEE_A  ||
+		priv->ieee80211->current_network.mode == IEEE_N_5G ||
+		(priv->ieee80211->current_network.mode == IEEE_N_24G  &&
+		(!priv->ieee80211->pHTInfo->bCurSuppCCK))) {
+		tx_rate = 60;
+		DMESG("send beacon frame  tx rate is 6Mbpm\n");
+	} else {
+		tx_rate = 10;
+		DMESG("send beacon frame  tx rate is 1Mbpm\n");
 	}
-
+	rtl819xusb_beacon_tx(dev, tx_rate); /* HW Beacon */
 }
 
-
-
-
-/*-----------------------------------------------------------------------------
+/*
  * Function:    cmpk_handle_interrupt_status()
  *
  * Overview:    The function is responsible for extract the message from
- *				firmware. It will contain dedicated info in
- *				ws-07-0063-v06-rtl819x-command-packet-specification-070315.doc.
- * 				Please refer to chapter "Interrupt Status Element".
+ *		firmware. It will contain dedicated info in
+ *		ws-07-0063-v06-rtl819x-command-packet-specification-070315.doc.
+ * 		Please refer to chapter "Interrupt Status Element".
  *
  * Input:       struct net_device *dev,
- *			u8*	pmsg		-	Message Pointer of the command packet.
+ *			u8* pmsg - Message Pointer of the command packet.
  *
  * Output:      NONE
  *
  * Return:      NONE
- *
- * Revised History:
- *  When			Who			Remark
- *  05/12/2008	amy		Add this for rtl8192 porting from windows code.
- *
- *---------------------------------------------------------------------------*/
-static	void
-cmpk_handle_interrupt_status(
-	struct net_device *dev,
-	u8*	pmsg)
+ */
+static void cmpk_handle_interrupt_status(struct net_device *dev, u8 *pmsg)
 {
 	cmpk_intr_sta_t		rx_intr_status;	/* */
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
 	DMESG("---> cmpk_Handle_Interrupt_Status()\n");
 
-	/* 0. Display received message. */
-	//cmpk_Display_Message(CMPK_RX_BEACON_STATE_SIZE, pMsg);
-
 	/* 1. Extract TX feedback info from RFD to temp structure buffer. */
-	/* It seems that FW use big endian(MIPS) and DRV use little endian in
-	   windows OS. So we have to read the content byte by byte or transfer
-	   endian type before copy the message copy. */
-	//rx_bcn_state.Element_ID 	= pMsg[0];
-	//rx_bcn_state.Length 		= pMsg[1];
 	rx_intr_status.length = pmsg[1];
-	if (rx_intr_status.length != (sizeof(cmpk_intr_sta_t) - 2))
-	{
+	if (rx_intr_status.length != (sizeof(cmpk_intr_sta_t) - 2)) {
 		DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n");
 		return;
 	}
-
-
-	// Statistics of beacon for ad-hoc mode.
-	if(	priv->ieee80211->iw_mode == IW_MODE_ADHOC)
-	{
+	/* Statistics of beacon for ad-hoc mode. */
+	if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
 		//2 maybe need endian transform?
 		rx_intr_status.interrupt_status = *((u32 *)(pmsg + 4));
 		//rx_intr_status.InterruptStatus = N2H4BYTE(*((UINT32 *)(pMsg + 4)));
 
 		DMESG("interrupt status = 0x%x\n", rx_intr_status.interrupt_status);
 
-		if (rx_intr_status.interrupt_status & ISR_TxBcnOk)
-		{
+		if (rx_intr_status.interrupt_status & ISR_TxBcnOk) {
 			priv->ieee80211->bibsscoordinator = true;
 			priv->stats.txbeaconokint++;
-		}
-		else if (rx_intr_status.interrupt_status & ISR_TxBcnErr)
-		{
+		} else if (rx_intr_status.interrupt_status & ISR_TxBcnErr) {
 			priv->ieee80211->bibsscoordinator = false;
 			priv->stats.txbeaconerr++;
 		}
 
 		if (rx_intr_status.interrupt_status & ISR_BcnTimerIntr)
-		{
 			cmdpkt_beacontimerinterrupt_819xusb(dev);
-		}
-
 	}
-
-	 // Other informations in interrupt status we need?
-
-
+	 /* Other informations in interrupt status we need? */
 	DMESG("<---- cmpk_handle_interrupt_status()\n");
+}
 
-}	/* cmpk_handle_interrupt_status */
-
-
-/*-----------------------------------------------------------------------------
+/*
  * Function:    cmpk_handle_query_config_rx()
  *
  * Overview:    The function is responsible for extract the message from
  *				firmware. It will contain dedicated info in
- *				ws-06-0063-rtl8190-command-packet-specification. Please
- *				refer to chapter "Beacon State Element".
+ *				ws-06-0063-rtl8190-command-packet-specification
+ *				Please refer to chapter "Beacon State Element".
  *
  * Input:       u8 *  pmsg	-	Message Pointer of the command packet.
  *
@@ -386,44 +252,28 @@ cmpk_handle_interrupt_status(
  *
  * Return:      NONE
  *
- * Revised History:
- *  When		Who		Remark
- *  05/12/2008	amy		Create Version 0 porting from windows code.
- *
- *---------------------------------------------------------------------------*/
-static	void
-cmpk_handle_query_config_rx(
-	struct net_device *dev,
-	u8*	   pmsg)
+ */
+static void cmpk_handle_query_config_rx(struct net_device *dev, u8 *pmsg)
 {
-	cmpk_query_cfg_t	rx_query_cfg;	/* */
+	cmpk_query_cfg_t rx_query_cfg;
+	/*
+	 * Extract TX feedback info from RFD to temp structure buffer.
+	 */
+	rx_query_cfg.cfg_action = (pmsg[4] & 0x80000000) >> 31;
+	rx_query_cfg.cfg_type 	= (pmsg[4] & 0x60) >> 5;
+	rx_query_cfg.cfg_size 	= (pmsg[4] & 0x18) >> 3;
+	rx_query_cfg.cfg_page 	= (pmsg[6] & 0x0F) >> 0;
+	rx_query_cfg.cfg_offset = pmsg[7];
+	rx_query_cfg.value 	= (pmsg[8] << 24) | (pmsg[9] << 16) |
+					(pmsg[10] << 8) | (pmsg[11] << 0);
+	rx_query_cfg.mask 	= (pmsg[12] << 24) | (pmsg[13] << 16) |
+					(pmsg[14] << 8) | (pmsg[15] << 0);
+}
 
-	/* 0. Display received message. */
-	//cmpk_Display_Message(CMPK_RX_BEACON_STATE_SIZE, pMsg);
-
-	/* 1. Extract TX feedback info from RFD to temp structure buffer. */
-	/* It seems that FW use big endian(MIPS) and DRV use little endian in
-	   windows OS. So we have to read the content byte by byte or transfer
-	   endian type before copy the message copy. */
-	//rx_query_cfg.Element_ID 	= pMsg[0];
-	//rx_query_cfg.Length 		= pMsg[1];
-	rx_query_cfg.cfg_action 	= (pmsg[4] & 0x80000000)>>31;
-	rx_query_cfg.cfg_type 		= (pmsg[4] & 0x60) >> 5;
-	rx_query_cfg.cfg_size 		= (pmsg[4] & 0x18) >> 3;
-	rx_query_cfg.cfg_page 		= (pmsg[6] & 0x0F) >> 0;
-	rx_query_cfg.cfg_offset 		= pmsg[7];
-	rx_query_cfg.value 			= (pmsg[8] << 24) | (pmsg[9] << 16) |
-								  (pmsg[10] << 8) | (pmsg[11] << 0);
-	rx_query_cfg.mask 			= (pmsg[12] << 24) | (pmsg[13] << 16) |
-								  (pmsg[14] << 8) | (pmsg[15] << 0);
-
-}	/* cmpk_Handle_Query_Config_Rx */
-
-
-/*-----------------------------------------------------------------------------
+/*
  * Function:	cmpk_count_tx_status()
  *
- * Overview:	Count aggregated tx status from firmwar of one type rx command
+ * Overview:	Count aggregated tx status from firmware of one type rx command
  *				packet element id = RX_TX_STATUS.
  *
  * Input:		NONE
@@ -431,14 +281,9 @@ cmpk_handle_query_config_rx(
  * Output:		NONE
  *
  * Return:		NONE
- *
- * Revised History:
- *	When		Who		Remark
- *	05/12/2008	amy		Create Version 0 porting from windows code.
- *
- *---------------------------------------------------------------------------*/
-static	void	cmpk_count_tx_status(	struct net_device *dev,
-									cmpk_tx_status_t 	*pstx_status)
+ */
+static void cmpk_count_tx_status(struct net_device *dev,
+					cmpk_tx_status_t *pstx_status)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
@@ -448,13 +293,13 @@ static	void	cmpk_count_tx_status(	struct net_device *dev,
 
 	pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState));
 
-	// When RF is off, we should not count the packet for hw/sw synchronize
-	// reason, ie. there may be a duration while sw switch is changed and hw
-	// switch is being changed. 2006.12.04, by shien chang.
+	/*
+	 * When RF is off, we should not count the packet for hw/sw synchronize
+	 * reason, ie. there may be a duration while sw switch is changed and hw
+	 * switch is being changed.
+	 */
 	if (rtState == eRfOff)
-	{
 		return;
-	}
 #endif
 
 	priv->stats.txfeedbackok	+= pstx_status->txok;
@@ -463,15 +308,11 @@ static	void	cmpk_count_tx_status(	struct net_device *dev,
 	priv->stats.txfeedbackfail	+= pstx_status->txfail;
 	priv->stats.txerrtotal		+= pstx_status->txfail;
 
-	priv->stats.txretrycount		+= pstx_status->txretry;
+	priv->stats.txretrycount	+= pstx_status->txretry;
 	priv->stats.txfeedbackretry	+= pstx_status->txretry;
 
-	//pAdapter->TxStats.NumTxOkBytesTotal += psTx_FB->pkt_length;
-	//pAdapter->TxStats.NumTxErrBytesTotal += psTx_FB->pkt_length;
-	//pAdapter->MgntInfo.LinkDetectInfo.NumTxOkInPeriod++;
-
-	priv->stats.txmulticast	+= pstx_status->txmcok;
-	priv->stats.txbroadcast	+= pstx_status->txbcok;
+	priv->stats.txmulticast		+= pstx_status->txmcok;
+	priv->stats.txbroadcast		+= pstx_status->txbcok;
 	priv->stats.txunicast		+= pstx_status->txucok;
 
 	priv->stats.txerrmulticast	+= pstx_status->txmcfail;
@@ -480,14 +321,12 @@ static	void	cmpk_count_tx_status(	struct net_device *dev,
 
 	priv->stats.txbytesmulticast	+= pstx_status->txmclength;
 	priv->stats.txbytesbroadcast	+= pstx_status->txbclength;
-	priv->stats.txbytesunicast		+= pstx_status->txuclength;
+	priv->stats.txbytesunicast	+= pstx_status->txuclength;
 
-	priv->stats.last_packet_rate		= pstx_status->rate;
-}	/* cmpk_CountTxStatus */
+	priv->stats.last_packet_rate	= pstx_status->rate;
+}
 
-
-
-/*-----------------------------------------------------------------------------
+/*
  * Function:	cmpk_handle_tx_status()
  *
  * Overview:	Firmware add a new tx feedback status to reduce rx command
@@ -498,27 +337,18 @@ static	void	cmpk_count_tx_status(	struct net_device *dev,
  * Output:		NONE
  *
  * Return:		NONE
- *
- * Revised History:
- *	When		Who		Remark
- *	05/12/2008	amy		Create Version 0 porting from windows code.
- *
- *---------------------------------------------------------------------------*/
+ */
 static	void
-cmpk_handle_tx_status(
-	struct net_device *dev,
-	u8*	   pmsg)
+cmpk_handle_tx_status(struct net_device *dev, u8 *pmsg)
 {
-	cmpk_tx_status_t	rx_tx_sts;	/* */
+	cmpk_tx_status_t rx_tx_sts;
 
-	memcpy((void*)&rx_tx_sts, (void*)pmsg, sizeof(cmpk_tx_status_t));
+	memcpy((void *)&rx_tx_sts, (void *)pmsg, sizeof(cmpk_tx_status_t));
 	/* 2. Use tx feedback info to count TX statistics. */
 	cmpk_count_tx_status(dev, &rx_tx_sts);
+}
 
-}	/* cmpk_Handle_Tx_Status */
-
-
-/*-----------------------------------------------------------------------------
+/*
  * Function:	cmpk_handle_tx_rate_history()
  *
  * Overview:	Firmware add a new tx rate history
@@ -528,117 +358,90 @@ cmpk_handle_tx_status(
  * Output:		NONE
  *
  * Return:		NONE
- *
- * Revised History:
- *	When		Who		Remark
- *	05/12/2008	amy		Create Version 0 porting from windows code.
- *
- *---------------------------------------------------------------------------*/
-static	void
-cmpk_handle_tx_rate_history(
-	struct net_device *dev,
-	u8*	   pmsg)
+ */
+static void cmpk_handle_tx_rate_history(struct net_device *dev, u8 *pmsg)
 {
 	cmpk_tx_rahis_t	*ptxrate;
-//	RT_RF_POWER_STATE	rtState;
-	u8				i, j;
-	u16				length = sizeof(cmpk_tx_rahis_t);
-	u32				*ptemp;
+	u8 i, j;
+	u16 length = sizeof(cmpk_tx_rahis_t);
+	u32 *ptemp;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
-
 #ifdef ENABLE_PS
-	pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState));
-
-	// When RF is off, we should not count the packet for hw/sw synchronize
-	// reason, ie. there may be a duration while sw switch is changed and hw
-	// switch is being changed. 2006.12.04, by shien chang.
+	pAdapter->HalFunc.GetHwRegHandler(pAdapter,
+						HW_VAR_RF_STATE,
+						(pu1Byte)(&rtState));
+	/*
+	 * When RF is off, we should not count the packet for hw/sw synchronize
+	 * reason, ie. there may be a duration while sw switch is changed and hw
+	 * switch is being changed.
+	 */
 	if (rtState == eRfOff)
-	{
 		return;
-	}
 #endif
-
 	ptemp = (u32 *)pmsg;
 
-	//
-	// Do endian transfer to word alignment(16 bits) for windows system.
-	// You must do different endian transfer for linux and MAC OS
-	//
-	for (i = 0; i < (length/4); i++)
-	{
-		u16	 temp1, temp2;
-
-		temp1 = ptemp[i]&0x0000FFFF;
-		temp2 = ptemp[i]>>16;
-		ptemp[i] = (temp1<<16)|temp2;
+	/*
+	 * Do endian transfer to word alignment(16 bits) for windows system.
+	 * You must do different endian transfer for linux and MAC OS
+	 */
+	for (i = 0; i < (length/4); i++) {
+		u16 temp1, temp2;
+		temp1 = ptemp[i] & 0x0000FFFF;
+		temp2 = ptemp[i] >> 16;
+		ptemp[i] = (temp1 << 16) | temp2;
 	}
 
 	ptxrate = (cmpk_tx_rahis_t *)pmsg;
 
-	if (ptxrate == NULL )
-	{
+	if (ptxrate == NULL)
 		return;
-	}
 
-	for (i = 0; i < 16; i++)
-	{
-		// Collect CCK rate packet num
+	for (i = 0; i < 16; i++) {
+		/* Collect CCK rate packet num */
 		if (i < 4)
 			priv->stats.txrate.cck[i] += ptxrate->cck[i];
-
-		// Collect OFDM rate packet num
-		if (i< 8)
+		/* Collect OFDM rate packet num */
+		if (i < 8)
 			priv->stats.txrate.ofdm[i] += ptxrate->ofdm[i];
-
 		for (j = 0; j < 4; j++)
 			priv->stats.txrate.ht_mcs[j][i] += ptxrate->ht_mcs[j][i];
 	}
 
-}	/* cmpk_Handle_Tx_Rate_History */
+}
 
-
-/*-----------------------------------------------------------------------------
+/*
  * Function:    cmpk_message_handle_rx()
  *
  * Overview:    In the function, we will capture different RX command packet
- *				info. Every RX command packet element has different message
- *				length and meaning in content. We only support three type of RX
- *				command packet now. Please refer to document
- *				ws-06-0063-rtl8190-command-packet-specification.
+ *		info. Every RX command packet element has different message
+ *		length and meaning in content. We only support three type of RX
+ *		command packet now. Please refer to document
+ *		ws-06-0063-rtl8190-command-packet-specification.
  *
  * Input:       NONE
  *
  * Output:      NONE
  *
  * Return:      NONE
- *
- * Revised History:
- *  When		Who		Remark
- *  05/06/2008	amy		Create Version 0 porting from windows code.
- *
- *---------------------------------------------------------------------------*/
+ */
 extern	u32
 cmpk_message_handle_rx(
 	struct net_device *dev,
 	struct ieee80211_rx_stats *pstats)
 {
-//	u32			debug_level = DBG_LOUD;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	int			total_length;
 	u8			cmd_length, exe_cnt = 0;
 	u8			element_id;
 	u8			*pcmd_buff;
 
-	/* 0. Check inpt arguments. If is is a command queue message or pointer is
-	      null. */
-	if (/*(prfd->queue_id != CMPK_RX_QUEUE_ID) || */(pstats== NULL))
-	{
-		/* Print error message. */
-		/*RT_TRACE(COMP_SEND, DebugLevel,
-				("\n\r[CMPK]-->Err queue id or pointer"));*/
+	/*
+	 * 0. Check input arguments.
+	 * If is is a command queue message or pointer is null
+	 */
+	if ((pstats == NULL))
 		return 0;	/* This is not a command packet. */
-	}
 
 	/* 1. Read received command packet message length from RFD. */
 	total_length = pstats->Length;
@@ -648,70 +451,49 @@ cmpk_message_handle_rx(
 
 	/* 3. Read command pakcet element id and length. */
 	element_id = pcmd_buff[0];
-	/*RT_TRACE(COMP_SEND, DebugLevel,
-			("\n\r[CMPK]-->element ID=%d Len=%d", element_id, total_length));*/
 
-	/* 4. Check every received command packet conent according to different
-	      element type. Because FW may aggregate RX command packet to minimize
-	      transmit time between DRV and FW.*/
-	// Add a counter to prevent to locked in the loop too long
-	while (total_length > 0 || exe_cnt++ >100)
-	{
-		/* 2007/01/17 MH We support aggregation of different cmd in the same packet. */
+	/*
+	 * 4. Check every received command packet conent according to different
+	 * element type. Because FW may aggregate RX command packet to minimize
+	 * transmit time between DRV and FW.
+	 */
+
+	/* Add a counter to prevent to locked in the loop too long */
+	while (total_length > 0 || exe_cnt++ > 100) {
+		/* We support aggregation of different cmd in the same packet */
 		element_id = pcmd_buff[0];
-
-		switch(element_id)
-		{
-			case RX_TX_FEEDBACK:
-				cmpk_handle_tx_feedback (dev, pcmd_buff);
-				cmd_length = CMPK_RX_TX_FB_SIZE;
-				break;
-
-			case RX_INTERRUPT_STATUS:
-				cmpk_handle_interrupt_status(dev, pcmd_buff);
-				cmd_length = sizeof(cmpk_intr_sta_t);
-				break;
-
-			case BOTH_QUERY_CONFIG:
-				cmpk_handle_query_config_rx(dev, pcmd_buff);
-				cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE;
-				break;
-
-			case RX_TX_STATUS:
-				cmpk_handle_tx_status(dev, pcmd_buff);
-				cmd_length = CMPK_RX_TX_STS_SIZE;
-				break;
-
-			case RX_TX_PER_PKT_FEEDBACK:
-				// You must at lease add a switch case element here,
-				// Otherwise, we will jump to default case.
-				//DbgPrint("CCX Test\r\n");
-				cmd_length = CMPK_RX_TX_FB_SIZE;
-				break;
-
-			case RX_TX_RATE_HISTORY:
-				//DbgPrint(" rx tx rate history\r\n");
-				cmpk_handle_tx_rate_history(dev, pcmd_buff);
-				cmd_length = CMPK_TX_RAHIS_SIZE;
-				break;
-
-			default:
-
-			        RT_TRACE(COMP_ERR, "---->cmpk_message_handle_rx():unknown CMD Element\n");
-				return 1;	/* This is a command packet. */
+		switch (element_id) {
+		case RX_TX_FEEDBACK:
+			cmpk_handle_tx_feedback(dev, pcmd_buff);
+			cmd_length = CMPK_RX_TX_FB_SIZE;
+			break;
+		case RX_INTERRUPT_STATUS:
+			cmpk_handle_interrupt_status(dev, pcmd_buff);
+			cmd_length = sizeof(cmpk_intr_sta_t);
+			break;
+		case BOTH_QUERY_CONFIG:
+			cmpk_handle_query_config_rx(dev, pcmd_buff);
+			cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE;
+			break;
+		case RX_TX_STATUS:
+			cmpk_handle_tx_status(dev, pcmd_buff);
+			cmd_length = CMPK_RX_TX_STS_SIZE;
+			break;
+		case RX_TX_PER_PKT_FEEDBACK:
+			cmd_length = CMPK_RX_TX_FB_SIZE;
+			break;
+		case RX_TX_RATE_HISTORY:
+			cmpk_handle_tx_rate_history(dev, pcmd_buff);
+			cmd_length = CMPK_TX_RAHIS_SIZE;
+			break;
+		default:
+			 RT_TRACE(COMP_ERR, "(%s): unknown CMD Element\n",
+								__func__);
+			return 1;	/* This is a command packet. */
 		}
-		// 2007/01/22 MH Display received rx command packet info.
-		//cmpk_Display_Message(cmd_length, pcmd_buff);
-
-		// 2007/01/22 MH Add to display tx statistic.
-		//cmpk_DisplayTxStatistic(pAdapter);
-
-		/* 2007/03/09 MH Collect sidderent cmd element pkt num. */
 		priv->stats.rxcmdpkt[element_id]++;
-
 		total_length -= cmd_length;
 		pcmd_buff    += cmd_length;
-	}	/* while (total_length > 0) */
-	return	1;	/* This is a command packet. */
-
-}	/* CMPK_Message_Handle_Rx */
+	}
+	return 1;	/* This is a command packet. */
+}
diff --git a/drivers/staging/rtl8192su/r819xU_cmdpkt.h b/drivers/staging/rtl8192su/r819xU_cmdpkt.h
index cced8e0d278..d3c56155188 100644
--- a/drivers/staging/rtl8192su/r819xU_cmdpkt.h
+++ b/drivers/staging/rtl8192su/r819xU_cmdpkt.h
@@ -1,199 +1,191 @@
 #ifndef R819XUSB_CMDPKT_H
 #define R819XUSB_CMDPKT_H
-/* Different command packet have dedicated message length and definition. */
-#define		CMPK_RX_TX_FB_SIZE					sizeof(cmpk_txfb_t)		//20
-#define		CMPK_TX_SET_CONFIG_SIZE				sizeof(cmpk_set_cfg_t)	//16
-#define		CMPK_BOTH_QUERY_CONFIG_SIZE			sizeof(cmpk_set_cfg_t)	//16
-#define		CMPK_RX_TX_STS_SIZE					sizeof(cmpk_tx_status_t)//
-#define		CMPK_RX_DBG_MSG_SIZE			sizeof(cmpk_rx_dbginfo_t)//
-#define		CMPK_TX_RAHIS_SIZE			sizeof(cmpk_tx_rahis_t)
 
-/* 2008/05/08 amy For USB constant. */
-#define ISR_TxBcnOk					BIT27			// Transmit Beacon OK
-#define ISR_TxBcnErr				BIT26			// Transmit Beacon Error
-#define ISR_BcnTimerIntr			BIT13			// Beacon Timer Interrupt
+/*
+ * Different command packets have dedicated message length and definition.
+ */
+#define CMPK_RX_TX_FB_SIZE		sizeof(cmpk_txfb_t) /* 20 */
+#define CMPK_TX_SET_CONFIG_SIZE		sizeof(cmpk_set_cfg_t) /* 16 */
+#define CMPK_BOTH_QUERY_CONFIG_SIZE	sizeof(cmpk_set_cfg_t) /* 16 */
+#define CMPK_RX_TX_STS_SIZE		sizeof(cmpk_tx_status_t)
+#define CMPK_RX_DBG_MSG_SIZE		sizeof(cmpk_rx_dbginfo_t)
+#define CMPK_TX_RAHIS_SIZE		sizeof(cmpk_tx_rahis_t)
 
-/* Define element ID of command packet. */
+/* For USB constant. */
+#define ISR_TxBcnOk		BIT27 /* Transmit Beacon OK */
+#define ISR_TxBcnErr		BIT26 /* Transmit Beacon Error */
+#define ISR_BcnTimerIntr	BIT13 /* Beacon Timer Interrupt */
 
-/*------------------------------Define structure----------------------------*/
-/* Define different command packet structure. */
-/* 1. RX side: TX feedback packet. */
-typedef struct tag_cmd_pkt_tx_feedback
-{
-	// DWORD 0
-	u8	element_id;			/* Command packet type. */
-	u8	length;				/* Command packet length. */
-	/* 2007/07/05 MH Change tx feedback info field. */
-	/*------TX Feedback Info Field */
-	u8	TID:4;				/* */
-	u8	fail_reason:3;		/* */
-	u8	tok:1;				/* Transmit ok. */
-	u8	reserve1:4;			/* */
-	u8	pkt_type:2;		/* */
-	u8	bandwidth:1;		/* */
-	u8	qos_pkt:1;			/* */
+/*
+ * Define different command packet structures
+ *
+ * 1. RX side: TX feedback packet.
+ */
+typedef struct tag_cmd_pkt_tx_feedback {
+	/* DWORD 0 */
+	u8 element_id;		/* Command packet type. */
+	u8 length;		/* Command packet length. */
+	/* TX Feedback Info Field */
+	u8 TID:4;
+	u8 fail_reason:3;
+	u8 tok:1;		/* Transmit ok. */
+	u8 reserve1:4;
+	u8 pkt_type:2;
+	u8 bandwidth:1;
+	u8 qos_pkt:1;
 
-	// DWORD 1
-	u8	reserve2;			/* */
-	/*------TX Feedback Info Field */
-	u8	retry_cnt;			/* */
-	u16	pkt_id;				/* */
+	/* DWORD 1 */
+	u8 reserve2;
+	/* TX Feedback Info Field */
+	u8 retry_cnt;
+	u16 pkt_id;
 
-	// DWORD 3
-	u16	seq_num;			/* */
-	u8	s_rate;				/* Start rate. */
-	u8	f_rate;				/* Final rate. */
+	/* DWORD 3 */
+	u16 seq_num;
+	u8 s_rate;		/* Start rate. */
+	u8 f_rate;		/* Final rate. */
 
-	// DWORD 4
-	u8	s_rts_rate;			/* */
-	u8	f_rts_rate;			/* */
-	u16	pkt_length;			/* */
+	/* DWORD 4 */
+	u8 s_rts_rate;
+	u8 f_rts_rate;
+	u16 pkt_length;
 
-	// DWORD 5
-	u16	reserve3;			/* */
-	u16	duration;			/* */
-}cmpk_txfb_t;
+	/* DWORD 5 */
+	u16	reserve3;
+	u16	duration;
+} cmpk_txfb_t;
 
-/* 2. RX side: Interrupt status packet. It includes Beacon State,
-	  Beacon Timer Interrupt and other useful informations in MAC ISR Reg. */
-typedef struct tag_cmd_pkt_interrupt_status
-{
-	u8	element_id;			/* Command packet type. */
-	u8	length;				/* Command packet length. */
-	u16	reserve;
-	u32	interrupt_status;				/* Interrupt Status. */
-}cmpk_intr_sta_t;
+/*
+ * 2. RX side: Interrupt status packet.
+ * It includes Beacon State, Beacon Timer Interrupt
+ * and other useful informations in MAC ISR Reg.
+ */
+typedef struct tag_cmd_pkt_interrupt_status {
+	u8 element_id;		/* Command packet type. */
+	u8 length;		/* Command packet length. */
+	u16 reserve;
+	u32 interrupt_status;	/* Interrupt Status. */
+} cmpk_intr_sta_t;
 
 
-/* 3. TX side: Set configuration packet. */
-typedef struct tag_cmd_pkt_set_configuration
-{
-	u8	element_id;			/* Command packet type. */
-	u8	length;				/* Command packet length. */
-	u16	reserve1;			/* */
+/*
+ * 3. TX side: Set configuration packet.
+ */
+typedef struct tag_cmd_pkt_set_configuration {
+	u8	element_id;	/* Command packet type. */
+	u8	length;		/* Command packet length. */
+	u16	reserve1;
 	u8 	cfg_reserve1:3;
-	u8	cfg_size:2;			/* Configuration info. */
-	u8	cfg_type:2;			/* Configuration info. */
-	u8	cfg_action:1;		/* Configuration info. */
-	u8	cfg_reserve2;		/* Configuration info. */
-	u8	cfg_page:4;			/* Configuration info. */
-	u8	cfg_reserve3:4;		/* Configuration info. */
-	u8	cfg_offset;			/* Configuration info. */
-	u32	value;				/* */
-	u32	mask;				/* */
-}cmpk_set_cfg_t;
+	u8	cfg_size:2;	/* Configuration info. */
+	u8	cfg_type:2;	/* Configuration info. */
+	u8	cfg_action:1;	/* Configuration info. */
+	u8	cfg_reserve2;	/* Configuration info. */
+	u8	cfg_page:4;	/* Configuration info. */
+	u8	cfg_reserve3:4;	/* Configuration info. */
+	u8	cfg_offset;	/* Configuration info. */
+	u32	value;
+	u32	mask;
+} cmpk_set_cfg_t;
 
-/* 4. Both side : TX/RX query configuraton packet. The query structure is the
-      same as set configuration. */
+/*
+ * 4. Both side : TX/RX query configuraton packet.
+ * The query structure is the same as set configuration.
+ */
 #define		cmpk_query_cfg_t	cmpk_set_cfg_t
 
-/* 5. Multi packet feedback status. */
-typedef struct tag_tx_stats_feedback // PJ quick rxcmd 09042007
-{
-	// For endian transfer --> Driver will not the same as firmware structure.
-	// DW 0
-	u16	reserve1;
-	u8 	length;				// Command packet length
-	u8 	element_id;			// Command packet type
+/*
+ * 5. Multi packet feedback status.
+ */
+typedef struct tag_tx_stats_feedback {
+	/*
+	 * For endian transfer
+	 * Driver will not the same as firmware structure.
+	 */
+	/* DW 0 */
+	u16 reserve1;
+	u8 length;	/* Command packet length */
+	u8 element_id;	/* Command packet type */
 
-	// DW 1
-	u16	txfail;				// Tx Fail count
-	u16 	txok;				// Tx ok count
+	/* DW 1 */
+	u16 txfail;	/* Tx Fail count */
+	u16 txok;	/* Tx ok count */
 
-	// DW 2
-	u16	txmcok;  			// tx multicast
-	u16 	txretry;			// Tx Retry count
+	/* DW 2 */
+	u16 txmcok;	/* tx multicast */
+	u16 txretry;	/* Tx Retry count */
 
-	// DW 3
-	u16  txucok;				// tx unicast
-	u16	txbcok;  			// tx broadcast
+	/* DW 3 */
+	u16 txucok;	/* tx unicast */
+	u16 txbcok;	/* tx broadcast */
 
-	// DW 4
-	u16	txbcfail;			//
-	u16	txmcfail;			//
+	/* DW 4 */
+	u16 txbcfail;
+	u16 txmcfail;
 
-	// DW 5
-	u16	reserve2;			//
-	u16	txucfail;			//
+	/* DW 5 */
+	u16 reserve2;
+	u16 txucfail;
 
-	// DW 6-8
-	u32	txmclength;
-	u32	txbclength;
-	u32	txuclength;
+	/* DW 6-8 */
+	u32 txmclength;
+	u32 txbclength;
+	u32 txuclength;
 
-	// DW 9
-	u16	reserve3_23;
-	u8	reserve3_1;
-	u8	rate;
-}__attribute__((packed)) cmpk_tx_status_t;
+	/* DW 9 */
+	u16 reserve3_23;
+	u8 reserve3_1;
+	u8 rate;
+} __attribute__((packed)) cmpk_tx_status_t;
 
-/* 6. Debug feedback message. */
-/* 2007/10/23 MH Define RX debug message  */
-typedef struct tag_rx_debug_message_feedback
-{
-	// For endian transfer --> for driver
-	// DW 0
-	u16	reserve1;
-	u8 	length;				// Command packet length
-	u8 	element_id;			// Command packet type
+/*
+ * 6. Debug feedback message.
+ */
+typedef struct tag_rx_debug_message_feedback {
+	/* For endian transfer --> for driver */
+	/* DW 0 */
+	u16 reserve1;
+	u8 length;	/* Command packet length */
+	u8 element_id;	/* Command packet type */
+} cmpk_rx_dbginfo_t;
 
-	// DW 1-??
-	// Variable debug message.
+/*
+ * Define transmit rate history. For big endian format.
+ */
+typedef struct tag_tx_rate_history {
+	/* For endian transfer --> for driver */
+	/* DW 0 */
+	u8 element_id;	/* Command packet type */
+	u8 length;	/* Command packet length */
+	u16 reserved1;
+	/* DW 1-2	CCK rate counter */
+	u16 cck[4];
+	/* DW 3-6 */
+	u16 ofdm[8];
+	u16 ht_mcs[4][16];
+} __attribute__((packed)) cmpk_tx_rahis_t;
 
-}cmpk_rx_dbginfo_t;
-
-/* 2008/03/20 MH Define transmit rate history. For big endian format. */
-typedef struct tag_tx_rate_history
-{
-	// For endian transfer --> for driver
-	// DW 0
-	u8 	element_id;			// Command packet type
-	u8 	length;				// Command packet length
-	u16	reserved1;
-
-	// DW 1-2	CCK rate counter
-	u16 	cck[4];
-
-	// DW 3-6
-	u16 	ofdm[8];
-
-	// DW 7-14
-	//UINT16	MCS_BW0_SG0[16];
-
-	// DW 15-22
-	//UINT16	MCS_BW1_SG0[16];
-
-	// DW 23-30
-	//UINT16	MCS_BW0_SG1[16];
-
-	// DW 31-38
-	//UINT16	MCS_BW1_SG1[16];
-
-	// DW 7-14	BW=0 SG=0
-	// DW 15-22	BW=1 SG=0
-	// DW 23-30	BW=0 SG=1
-	// DW 31-38	BW=1 SG=1
-	u16	ht_mcs[4][16];
-
-}__attribute__((packed)) cmpk_tx_rahis_t;
-
-typedef enum tag_command_packet_directories
-{
+typedef enum tag_command_packet_directories {
     RX_TX_FEEDBACK = 0,
-    RX_INTERRUPT_STATUS		= 1,
-    TX_SET_CONFIG				= 2,
-    BOTH_QUERY_CONFIG			= 3,
-    RX_TX_STATUS				= 4,
-    RX_DBGINFO_FEEDBACK		= 5,
-    RX_TX_PER_PKT_FEEDBACK		= 6,
-    RX_TX_RATE_HISTORY		= 7,
+    RX_INTERRUPT_STATUS = 1,
+    TX_SET_CONFIG = 2,
+    BOTH_QUERY_CONFIG = 3,
+    RX_TX_STATUS = 4,
+    RX_DBGINFO_FEEDBACK = 5,
+    RX_TX_PER_PKT_FEEDBACK = 6,
+    RX_TX_RATE_HISTORY = 7,
     RX_CMD_ELE_MAX
-}cmpk_element_e;
+} cmpk_element_e;
 
-extern bool cmpk_message_handle_tx(struct net_device *dev, u8* codevirtualaddress, u32 packettype, u32 buffer_len);
+extern bool cmpk_message_handle_tx(struct net_device *dev,
+					u8 *codevirtualaddress,
+					u32 packettype,
+					u32 buffer_len);
 
-extern  u32 cmpk_message_handle_rx(struct net_device *dev, struct ieee80211_rx_stats * pstats);
-extern bool SendTxCommandPacket( struct net_device *dev, void* pData, u32 DataLen);
+extern  u32 cmpk_message_handle_rx(struct net_device *dev,
+					struct ieee80211_rx_stats *pstats);
 
+extern bool SendTxCommandPacket(struct net_device *dev,
+					void *pData,
+					u32 DataLen);
 
 #endif

From 1e1d25cb0d248d58ac8e586ebb23bf2f6dc55c0b Mon Sep 17 00:00:00 2001
From: Michael Tate <michael.tate@wanadoo.fr>
Date: Sun, 7 Mar 2010 18:19:39 +0400
Subject: [PATCH 0835/3638] staging: frontier: Fix coding style issues in 2
 files.

This patch removes unecessary whitespace before quoted newlines
in two files.
One warning in each file remains unresolved.

Signed-off-by: Michael Tate <michael.tate@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/frontier/alphatrack.c | 6 +++---
 drivers/staging/frontier/tranzport.c  | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/frontier/alphatrack.c b/drivers/staging/frontier/alphatrack.c
index a50a21518a8..ce4d663a3e5 100644
--- a/drivers/staging/frontier/alphatrack.c
+++ b/drivers/staging/frontier/alphatrack.c
@@ -238,7 +238,7 @@ static void usb_alphatrack_interrupt_in_callback(struct urb *urb)
 	if (urb->actual_length != INPUT_CMD_SIZE) {
 		dev_warn(&dev->intf->dev,
 			 "Urb length was %d bytes!!"
-			 "Do something intelligent \n", urb->actual_length);
+			 "Do something intelligent\n", urb->actual_length);
 	} else {
 		alphatrack_ocmd_info(&dev->intf->dev,
 				     &(*dev->ring_buffer)[dev->ring_tail].cmd,
@@ -599,7 +599,7 @@ static ssize_t usb_alphatrack_write(struct file *file,
 	}
 
 	if (dev->interrupt_out_endpoint == NULL) {
-		err("Endpoint should not be be null! \n");
+		err("Endpoint should not be be null!\n");
 		goto unlock_exit;
 	}
 
@@ -771,7 +771,7 @@ static int usb_alphatrack_probe(struct usb_interface *intf,
 	    kmalloc(sizeof(struct alphatrack_ocmd) * true_size, GFP_KERNEL);
 
 	if (!dev->write_buffer) {
-		dev_err(&intf->dev, "Couldn't allocate write_buffer \n");
+		dev_err(&intf->dev, "Couldn't allocate write_buffer\n");
 		goto error;
 	}
 
diff --git a/drivers/staging/frontier/tranzport.c b/drivers/staging/frontier/tranzport.c
index 2f03f43f3a2..1f91001b134 100644
--- a/drivers/staging/frontier/tranzport.c
+++ b/drivers/staging/frontier/tranzport.c
@@ -255,7 +255,7 @@ static void usb_tranzport_interrupt_in_callback(struct urb *urb)
 	if (urb->actual_length != 8) {
 		dev_warn(&dev->intf->dev,
 			"Urb length was %d bytes!!"
-			"Do something intelligent \n",
+			"Do something intelligent\n",
 			 urb->actual_length);
 	} else {
 		dbg_info(&dev->intf->dev,
@@ -724,7 +724,7 @@ static ssize_t usb_tranzport_write(struct file *file,
 	}
 
 	if (dev->interrupt_out_endpoint == NULL) {
-		err("Endpoint should not be be null! \n");
+		err("Endpoint should not be be null!\n");
 		goto unlock_exit;
 	}
 

From 4dbb8e57c1ef23e5822b85a646b4ba31a98b9864 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 8 Mar 2010 16:39:24 +0300
Subject: [PATCH 0836/3638] staging: rt2860: off by one errors

The code is trying to say that if the offset is higher than the max it
should be set to the max, but there is an off by one bug and it sets it
one passed the end of the array.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/sta_ioctl.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/rt2860/sta_ioctl.c b/drivers/staging/rt2860/sta_ioctl.c
index de4b6277bae..33a6939cf2a 100644
--- a/drivers/staging/rt2860/sta_ioctl.c
+++ b/drivers/staging/rt2860/sta_ioctl.c
@@ -1047,8 +1047,7 @@ int rt_ioctl_giwscan(struct net_device *dev,
 			if (tmpRate == 0x6c
 			    && pAdapter->ScanTab.BssEntry[i].HtCapabilityLen >
 			    0) {
-				int rate_count =
-				    sizeof(ralinkrate) / sizeof(__s32);
+				int rate_count = ARRAY_SIZE(ralinkrate);
 				struct rt_ht_cap_info capInfo =
 				    pAdapter->ScanTab.BssEntry[i].HtCapability.
 				    HtCapInfo;
@@ -1061,10 +1060,11 @@ int rt_ioctl_giwscan(struct net_device *dev,
 				int rate_index =
 				    12 + ((u8)capInfo.ChannelWidth * 24) +
 				    ((u8)shortGI * 48) + ((u8)maxMCS);
+
 				if (rate_index < 0)
 					rate_index = 0;
-				if (rate_index > rate_count)
-					rate_index = rate_count;
+				if (rate_index >= rate_count)
+					rate_index = rate_count - 1;
 				iwe.u.bitrate.value =
 				    ralinkrate[rate_index] * 500000;
 			}
@@ -2338,7 +2338,7 @@ int rt_ioctl_giwrate(struct net_device *dev,
 */
 	GET_PAD_FROM_NET_DEV(pAd, dev);
 
-	rate_count = sizeof(ralinkrate) / sizeof(__s32);
+	rate_count = ARRAY_SIZE(ralinkrate);
 	/*check if the interface is down */
 	if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE)) {
 		DBGPRINT(RT_DEBUG_TRACE, ("INFO::Network is down!\n"));
@@ -2369,8 +2369,8 @@ int rt_ioctl_giwrate(struct net_device *dev,
 	if (rate_index < 0)
 		rate_index = 0;
 
-	if (rate_index > rate_count)
-		rate_index = rate_count;
+	if (rate_index >= rate_count)
+		rate_index = rate_count - 1;
 
 	wrqu->bitrate.value = ralinkrate[rate_index] * 500000;
 	wrqu->bitrate.disabled = 0;

From 76ce24f3e58b3d158f3eca88c339170c05bbefa2 Mon Sep 17 00:00:00 2001
From: Jason <jtdreisb@gmail.com>
Date: Mon, 8 Mar 2010 02:36:21 -0800
Subject: [PATCH 0837/3638] staging: wavelan: fix coding style of first 1000
 lines in wavelan.c

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wavelan/wavelan.c | 198 ++++++++++++++++--------------
 1 file changed, 108 insertions(+), 90 deletions(-)

diff --git a/drivers/staging/wavelan/wavelan.c b/drivers/staging/wavelan/wavelan.c
index 54ca63196fd..37ede43bbbe 100644
--- a/drivers/staging/wavelan/wavelan.c
+++ b/drivers/staging/wavelan/wavelan.c
@@ -36,7 +36,7 @@ static u8 wv_irq_to_psa(int irq)
 
 /*------------------------------------------------------------------*/
 /*
- * Translate PSA irq parameter to irq number 
+ * Translate PSA irq parameter to irq number
  */
 static int __init wv_psa_to_irq(u8 irqval)
 {
@@ -55,7 +55,7 @@ static int __init wv_psa_to_irq(u8 irqval)
  *
  * One major difference with the PCMCIA hardware (except the port mapping)
  * is that we have to keep the state of the Host Control Register
- * because of the interrupt enable & bus size flags.
+ *because of the interrupt enable & bus size flags.
  */
 
 /*------------------------------------------------------------------*/
@@ -64,7 +64,7 @@ static int __init wv_psa_to_irq(u8 irqval)
  */
 static inline u16 hasr_read(unsigned long ioaddr)
 {
-	return (inw(HASR(ioaddr)));
+	return inw(HASR(ioaddr));
 }				/* hasr_read */
 
 /*------------------------------------------------------------------*/
@@ -132,11 +132,11 @@ static inline void wv_16_on(unsigned long ioaddr, u16 hacr)
  * Disable interrupts on the WaveLAN hardware.
  * (called by wv_82586_stop())
  */
-static inline void wv_ints_off(struct net_device * dev)
+static inline void wv_ints_off(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
-	
+
 	lp->hacr &= ~HACR_INTRON;
 	hacr_write(ioaddr, lp->hacr);
 }				/* wv_ints_off */
@@ -146,7 +146,7 @@ static inline void wv_ints_off(struct net_device * dev)
  * Enable interrupts on the WaveLAN hardware.
  * (called by wv_hw_reset())
  */
-static inline void wv_ints_on(struct net_device * dev)
+static inline void wv_ints_on(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -167,9 +167,11 @@ static inline void wv_ints_on(struct net_device * dev)
 /*
  * Read bytes from the PSA.
  */
-static void psa_read(unsigned long ioaddr, u16 hacr, int o,	/* offset in PSA */
-		     u8 * b,	/* buffer to fill */
-		     int n)
+static void psa_read(unsigned long ioaddr,
+			u16 hacr,
+			int o,	/* offset in PSA */
+			u8 *b,	/*buffer to fill */
+			int n)
 {				/* size to read */
 	wv_16_off(ioaddr, hacr);
 
@@ -186,9 +188,11 @@ static void psa_read(unsigned long ioaddr, u16 hacr, int o,	/* offset in PSA */
 /*
  * Write the Parameter Storage Area to the WaveLAN card's memory.
  */
-static void psa_write(unsigned long ioaddr, u16 hacr, int o,	/* Offset in PSA */
-		      u8 * b,	/* Buffer in memory */
-		      int n)
+static void psa_write(unsigned long ioaddr,
+			u16 hacr,
+			int o,	/* Offset in PSA */
+			u8 *b,	/*buffer in memory */
+			int n)
 {				/* Length of buffer */
 	int count = 0;
 
@@ -203,8 +207,8 @@ static void psa_write(unsigned long ioaddr, u16 hacr, int o,	/* Offset in PSA */
 
 		/* Wait for the memory to finish its write cycle */
 		count = 0;
-		while ((count++ < 100) &&
-		       (hasr_read(ioaddr) & HASR_PSA_BUSY)) mdelay(1);
+		while ((count++ < 100) && (hasr_read(ioaddr) & HASR_PSA_BUSY))
+			mdelay(1);
 	}
 
 	wv_16_on(ioaddr, hacr);
@@ -221,8 +225,8 @@ static void psa_write(unsigned long ioaddr, u16 hacr, int o,	/* Offset in PSA */
  * The Windows drivers don't use the CRC, but the AP and the PtP tool
  * depend on it.
  */
-static u16 psa_crc(u8 * psa,	/* The PSA */
-			      int size)
+static u16 psa_crc(u8 *psa,	/* The PSA */
+			int size)
 {				/* Number of short for CRC */
 	int byte_cnt;		/* Loop on the PSA */
 	u16 crc_bytes = 0;	/* Data in the PSA */
@@ -247,7 +251,9 @@ static u16 psa_crc(u8 * psa,	/* The PSA */
 /*
  * update the checksum field in the Wavelan's PSA
  */
-static void update_psa_checksum(struct net_device * dev, unsigned long ioaddr, u16 hacr)
+static void update_psa_checksum(struct net_device *dev,
+				unsigned long ioaddr,
+				u16 hacr)
 {
 #ifdef SET_PSA_CRC
 	psa_t psa;
@@ -279,7 +285,8 @@ static void update_psa_checksum(struct net_device * dev, unsigned long ioaddr, u
 
 	if (crc != 0)
 		printk(KERN_WARNING
-		       "%s: update_psa_checksum(): CRC does not agree with PSA data (even after recalculating)\n",
+		       "%s: update_psa_checksum(): CRC does not \
+		       agree with PSA data (even after recalculating)\n",
 		       dev->name);
 #endif				/* DEBUG_IOCTL_INFO */
 #endif				/* SET_PSA_CRC */
@@ -305,7 +312,7 @@ static void mmc_out(unsigned long ioaddr, u16 o, u8 d)
  * Routine to write bytes to the Modem Management Controller.
  * We start at the end because it is the way it should be!
  */
-static void mmc_write(unsigned long ioaddr, u8 o, u8 * b, int n)
+static void mmc_write(unsigned long ioaddr, u8 o, u8 *b, int n)
 {
 	o += n;
 	b += n;
@@ -340,7 +347,7 @@ static u8 mmc_in(unsigned long ioaddr, u16 o)
  * (code has just been moved in the above function)
  * We start at the end because it is the way it should be!
  */
-static inline void mmc_read(unsigned long ioaddr, u8 o, u8 * b, int n)
+static inline void mmc_read(unsigned long ioaddr, u8 o, u8 *b, int n)
 {
 	o += n;
 	b += n;
@@ -369,15 +376,16 @@ static inline int mmc_encr(unsigned long ioaddr)
  * Wait for the frequency EEPROM to complete a command.
  * I hope this one will be optimally inlined.
  */
-static inline void fee_wait(unsigned long ioaddr,	/* I/O port of the card */
-			    int delay,	/* Base delay to wait for */
+static inline void fee_wait(unsigned long ioaddr, /* I/O port of the card */
+			    int delay,	/*base delay to wait for */
 			    int number)
 {				/* Number of time to wait */
 	int count = 0;		/* Wait only a limited time */
 
 	while ((count++ < number) &&
 	       (mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
-		MMR_FEE_STATUS_BUSY)) udelay(delay);
+		MMR_FEE_STATUS_BUSY))
+			udelay(delay);
 }
 
 /*------------------------------------------------------------------*/
@@ -386,7 +394,7 @@ static inline void fee_wait(unsigned long ioaddr,	/* I/O port of the card */
  */
 static void fee_read(unsigned long ioaddr,	/* I/O port of the card */
 		     u16 o,	/* destination offset */
-		     u16 * b,	/* data buffer */
+		     u16 *b,	/* data buffer */
 		     int n)
 {				/* number of registers */
 	b += n;			/* Position at the end of the area */
@@ -414,12 +422,12 @@ static void fee_read(unsigned long ioaddr,	/* I/O port of the card */
 /*
  * Write bytes from the Frequency EEPROM (frequency select cards).
  * This is a bit complicated, because the frequency EEPROM has to
- * be unprotected and the write enabled.
+ *be unprotected and the write enabled.
  * Jean II
  */
 static void fee_write(unsigned long ioaddr,	/* I/O port of the card */
 		      u16 o,	/* destination offset */
-		      u16 * b,	/* data buffer */
+		      u16 *b,	/* data buffer */
 		      int n)
 {				/* number of registers */
 	b += n;			/* Position at the end of the area. */
@@ -473,7 +481,9 @@ static void fee_write(unsigned long ioaddr,	/* I/O port of the card */
 		mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
 			MMW_FEE_CTRL_WRITE);
 
-		/* WaveLAN documentation says to wait at least 10 ms for EEBUSY = 0 */
+		/* WaveLAN documentation says to
+		* wait at least 10 ms for EEBUSY = 0
+		*/
 		mdelay(10);
 		fee_wait(ioaddr, 10, 100);
 	}
@@ -504,7 +514,7 @@ static void fee_write(unsigned long ioaddr,	/* I/O port of the card */
  * Why does inlining this function make it fail?
  */
 static /*inline */ void obram_read(unsigned long ioaddr,
-				   u16 o, u8 * b, int n)
+				   u16 o, u8 *b, int n)
 {
 	outw(o, PIOR1(ioaddr));
 	insw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
@@ -514,7 +524,7 @@ static /*inline */ void obram_read(unsigned long ioaddr,
 /*
  * Write bytes to the on-board RAM.
  */
-static inline void obram_write(unsigned long ioaddr, u16 o, u8 * b, int n)
+static inline void obram_write(unsigned long ioaddr, u16 o, u8 *b, int n)
 {
 	outw(o, PIOR1(ioaddr));
 	outsw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
@@ -524,7 +534,7 @@ static inline void obram_write(unsigned long ioaddr, u16 o, u8 * b, int n)
 /*
  * Acknowledge the reading of the status issued by the i82586.
  */
-static void wv_ack(struct net_device * dev)
+static void wv_ack(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -566,7 +576,7 @@ static void wv_ack(struct net_device * dev)
  * Set channel attention bit and busy wait until command has
  * completed, then acknowledge completion of the command.
  */
-static int wv_synchronous_cmd(struct net_device * dev, const char *str)
+static int wv_synchronous_cmd(struct net_device *dev, const char *str)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -613,7 +623,7 @@ static int wv_synchronous_cmd(struct net_device * dev, const char *str)
  * Check if done, and if OK.
  */
 static int
-wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp)
+wv_config_complete(struct net_device *dev, unsigned long ioaddr, net_local * lp)
 {
 	unsigned short mcs_addr;
 	unsigned short status;
@@ -641,7 +651,8 @@ wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp
 		/* Check mc_config command */
 		if ((status & AC_SFLD_OK) != AC_SFLD_OK)
 			printk(KERN_INFO
-			       "%s: wv_config_complete(): set_multicast_address failed; status = 0x%x\n",
+			       "%s: wv_config_complete(): \
+			       set_multicast_address failed; status = 0x%x\n",
 			       dev->name, status);
 
 		/* check ia-config command */
@@ -650,7 +661,8 @@ wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp
 			   (unsigned char *) &status, sizeof(status));
 		if ((status & AC_SFLD_OK) != AC_SFLD_OK)
 			printk(KERN_INFO
-			       "%s: wv_config_complete(): set_MAC_address failed; status = 0x%x\n",
+			       "%s: wv_config_complete(): set_MAC_address \
+				failed; status = 0x%x\n",
 			       dev->name, status);
 
 		/* Check config command. */
@@ -659,7 +671,8 @@ wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp
 			   (unsigned char *) &status, sizeof(status));
 		if ((status & AC_SFLD_OK) != AC_SFLD_OK)
 			printk(KERN_INFO
-			       "%s: wv_config_complete(): configure failed; status = 0x%x\n",
+			       "%s: wv_config_complete(): configure failed; \
+			       status = 0x%x\n",
 			       dev->name, status);
 #endif	/* DEBUG_CONFIG_ERROR */
 
@@ -680,7 +693,9 @@ wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp
  * (called in wavelan_interrupt()).
  * Note : the spinlock is already grabbed for us.
  */
-static int wv_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp)
+static int wv_complete(struct net_device *dev,
+			unsigned long ioaddr,
+			net_local *lp)
 {
 	int nreaped = 0;
 
@@ -722,9 +737,8 @@ if (lp->tx_n_in_use > 0)
 			/* Next one in the chain */
 			lp->tx_first_in_use += TXBLOCKZ;
 			if (lp->tx_first_in_use >=
-			    OFFSET_CU +
-			    NTXBLOCKS * TXBLOCKZ) lp->tx_first_in_use -=
-				    NTXBLOCKS * TXBLOCKZ;
+				OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
+				lp->tx_first_in_use -= NTXBLOCKS * TXBLOCKZ;
 		}
 
 		/* Hack for reconfiguration */
@@ -741,7 +755,8 @@ if (lp->tx_n_in_use > 0)
 #ifdef DEBUG_TX_INFO
 			if (ncollisions > 0)
 				printk(KERN_DEBUG
-				       "%s: wv_complete(): tx completed after %d collisions.\n",
+				       "%s: wv_complete(): tx completed after \
+					%d collisions.\n",
 				       dev->name, ncollisions);
 #endif
 		} else {
@@ -758,7 +773,8 @@ if (lp->tx_n_in_use > 0)
 				dev->stats.tx_carrier_errors++;
 #ifdef DEBUG_TX_FAIL
 				printk(KERN_DEBUG
-				       "%s: wv_complete(): tx error: lost CTS.\n",
+					"%s: wv_complete(): tx error: \
+					lost CTS.\n",
 				       dev->name);
 #endif
 			}
@@ -766,7 +782,8 @@ if (lp->tx_n_in_use > 0)
 				dev->stats.tx_fifo_errors++;
 #ifdef DEBUG_TX_FAIL
 				printk(KERN_DEBUG
-				       "%s: wv_complete(): tx error: slow DMA.\n",
+					"%s: wv_complete(): tx error: \
+					slow DMA.\n",
 				       dev->name);
 #endif
 			}
@@ -774,7 +791,8 @@ if (lp->tx_n_in_use > 0)
 				dev->stats.tx_heartbeat_errors++;
 #ifdef DEBUG_TX_FAIL
 				printk(KERN_DEBUG
-				       "%s: wv_complete(): tx error: heart beat.\n",
+					"%s: wv_complete(): tx error: \
+					heart beat.\n",
 				       dev->name);
 #endif
 			}
@@ -782,7 +800,8 @@ if (lp->tx_n_in_use > 0)
 				dev->stats.tx_aborted_errors++;
 #ifdef DEBUG_TX_FAIL
 				printk(KERN_DEBUG
-				       "%s: wv_complete(): tx error: too many collisions.\n",
+					"%s: wv_complete(): tx error: \
+					too many collisions.\n",
 				       dev->name);
 #endif
 			}
@@ -804,9 +823,9 @@ if (lp->tx_n_in_use > 0)
 	/*
 	 * Inform upper layers.
 	 */
-	if (lp->tx_n_in_use < NTXBLOCKS - 1) {
+	if (lp->tx_n_in_use < NTXBLOCKS - 1)
 		netif_wake_queue(dev);
-	}
+
 #ifdef DEBUG_INTERRUPT_TRACE
 	printk(KERN_DEBUG "%s: <-wv_complete()\n", dev->name);
 #endif
@@ -816,13 +835,13 @@ if (lp->tx_n_in_use > 0)
 /*------------------------------------------------------------------*/
 /*
  * Reconfigure the i82586, or at least ask for it.
- * Because wv_82586_config uses a transmission buffer, we must do it
+ *because wv_82586_config uses a transmission buffer, we must do it
  * when we are sure that there is one left, so we do it now
  * or in wavelan_packet_xmit() (I can't find any better place,
  * wavelan_interrupt is not an option), so you may experience
  * delays sometimes.
  */
-static void wv_82586_reconfig(struct net_device * dev)
+static void wv_82586_reconfig(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long flags;
@@ -831,13 +850,12 @@ static void wv_82586_reconfig(struct net_device * dev)
 	lp->reconfig_82586 = 1;
 
 	/* Check if we can do it now ! */
-	if((netif_running(dev)) && !(netif_queue_stopped(dev))) {
+	if ((netif_running(dev)) && !(netif_queue_stopped(dev))) {
 		spin_lock_irqsave(&lp->spinlock, flags);
 		/* May fail */
 		wv_82586_config(dev);
 		spin_unlock_irqrestore(&lp->spinlock, flags);
-	}
-	else {
+	} else {
 #ifdef DEBUG_CONFIG_INFO
 		printk(KERN_DEBUG
 		       "%s: wv_82586_reconfig(): delayed (state = %lX)\n",
@@ -857,7 +875,7 @@ static void wv_82586_reconfig(struct net_device * dev)
 /*
  * Print the formatted contents of the Parameter Storage Area.
  */
-static void wv_psa_show(psa_t * p)
+static void wv_psa_show(psa_t *p)
 {
 	printk(KERN_DEBUG "##### WaveLAN PSA contents: #####\n");
 	printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
@@ -919,13 +937,13 @@ static void wv_psa_show(psa_t * p)
  * Print the formatted status of the Modem Management Controller.
  * This function needs to be completed.
  */
-static void wv_mmc_show(struct net_device * dev)
+static void wv_mmc_show(struct net_device *dev)
 {
 	unsigned long ioaddr = dev->base_addr;
 	net_local *lp = netdev_priv(dev);
 	mmr_t m;
 
-	/* Basic check */
+	/*basic check */
 	if (hasr_read(ioaddr) & HASR_NO_CLK) {
 		printk(KERN_WARNING
 		       "%s: wv_mmc_show: modem not connected\n",
@@ -935,7 +953,7 @@ static void wv_mmc_show(struct net_device * dev)
 
 	/* Read the mmc */
 	mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
-	mmc_read(ioaddr, 0, (u8 *) & m, sizeof(m));
+	mmc_read(ioaddr, 0, (u8 *) &m, sizeof(m));
 	mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
 
 	/* Don't forget to update statistics */
@@ -1100,7 +1118,7 @@ static void wv_scb_show(unsigned long ioaddr)
 /*
  * Print the formatted status of the i82586's receive unit.
  */
-static void wv_ru_show(struct net_device * dev)
+static void wv_ru_show(struct net_device *dev)
 {
 	printk(KERN_DEBUG
 	       "##### WaveLAN i82586 receiver unit status: #####\n");
@@ -1115,7 +1133,7 @@ static void wv_ru_show(struct net_device * dev)
 /*
  * Display info about one control block of the i82586 memory.
  */
-static void wv_cu_show_one(struct net_device * dev, net_local * lp, int i, u16 p)
+static void wv_cu_show_one(struct net_device *dev, net_local * lp, int i, u16 p)
 {
 	unsigned long ioaddr;
 	ac_tx_t actx;
@@ -1144,7 +1162,7 @@ static void wv_cu_show_one(struct net_device * dev, net_local * lp, int i, u16 p
 /*
  * Print status of the command unit of the i82586.
  */
-static void wv_cu_show(struct net_device * dev)
+static void wv_cu_show(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned int i;
@@ -1170,7 +1188,7 @@ static void wv_cu_show(struct net_device * dev)
 /*
  * Print the formatted status of the WaveLAN PCMCIA device driver.
  */
-static void wv_dev_show(struct net_device * dev)
+static void wv_dev_show(struct net_device *dev)
 {
 	printk(KERN_DEBUG "dev:");
 	printk(" state=%lX,", dev->state);
@@ -1184,7 +1202,7 @@ static void wv_dev_show(struct net_device * dev)
  * Print the formatted status of the WaveLAN PCMCIA device driver's
  * private information.
  */
-static void wv_local_show(struct net_device * dev)
+static void wv_local_show(struct net_device *dev)
 {
 	net_local *lp;
 
@@ -1245,7 +1263,7 @@ static inline void wv_packet_info(u8 * p,	/* Packet to dump */
  * This is the information which is displayed by the driver at startup.
  * There are lots of flags for configuring it to your liking.
  */
-static void wv_init_info(struct net_device * dev)
+static void wv_init_info(struct net_device *dev)
 {
 	short ioaddr = dev->base_addr;
 	net_local *lp = netdev_priv(dev);
@@ -1355,7 +1373,7 @@ static void wv_init_info(struct net_device * dev)
  * num_addrs > 0	Multicast mode, receive normal and MC packets,
  *			and do best-effort filtering.
  */
-static void wavelan_set_multicast_list(struct net_device * dev)
+static void wavelan_set_multicast_list(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 
@@ -1425,7 +1443,7 @@ static void wavelan_set_multicast_list(struct net_device * dev)
  * (Note : it was a nice way to test the reconfigure stuff...)
  */
 #ifdef SET_MAC_ADDRESS
-static int wavelan_set_mac_address(struct net_device * dev, void *addr)
+static int wavelan_set_mac_address(struct net_device *dev, void *addr)
 {
 	struct sockaddr *mac = addr;
 
@@ -1614,7 +1632,7 @@ static int wv_set_frequency(unsigned long ioaddr,	/* I/O port of the card */
 
 		return 0;
 	} else
-		return -EINVAL;	/* Bah, never get there... */
+		return -EINVAL;	/*bah, never get there... */
 }
 
 /*------------------------------------------------------------------*/
@@ -1663,7 +1681,7 @@ static int wv_frequency_list(unsigned long ioaddr,	/* I/O port of the card */
  * address with our list, and if they match, get the statistics.
  * Sorry, but this function really needs the wireless extensions.
  */
-static inline void wl_spy_gather(struct net_device * dev,
+static inline void wl_spy_gather(struct net_device *dev,
 				 u8 *	mac,	/* MAC address */
 				 u8 *	stats)	/* Statistics to gather */
 {
@@ -1689,7 +1707,7 @@ static inline void wl_spy_gather(struct net_device * dev,
  * With this histogram you may detect if one WaveLAN is really weak,
  * or you may also calculate the mean and standard deviation of the level.
  */
-static inline void wl_his_gather(struct net_device * dev, u8 * stats)
+static inline void wl_his_gather(struct net_device *dev, u8 * stats)
 {				/* Statistics to gather */
 	net_local *lp = netdev_priv(dev);
 	u8 level = stats[0] & MMR_SIGNAL_LVL;
@@ -1981,7 +1999,7 @@ static int wavelan_set_encode(struct net_device *dev,
 	}
 
 	if(!ret) {
-		/* Basic checking... */
+		/*basic checking... */
 		if (wrqu->encoding.length == 8) {
 			/* Copy the key in the driver */
 			memcpy(psa.psa_encryption_key, extra,
@@ -2319,7 +2337,7 @@ static const iw_handler		wavelan_handler[] =
 	NULL,				/* SIOCGIWTXPOW */
 	NULL,				/* SIOCSIWRETRY */
 	NULL,				/* SIOCGIWRETRY */
-	/* Bummer ! Why those are only at the end ??? */
+	/*bummer ! Why those are only at the end ??? */
 	wavelan_set_encode,		/* SIOCSIWENCODE */
 	wavelan_get_encode,		/* SIOCGIWENCODE */
 };
@@ -2358,7 +2376,7 @@ static const struct iw_handler_def	wavelan_handler_def =
  * Get wireless statistics.
  * Called by /proc/net/wireless
  */
-static iw_stats *wavelan_get_wireless_stats(struct net_device * dev)
+static iw_stats *wavelan_get_wireless_stats(struct net_device *dev)
 {
 	unsigned long ioaddr = dev->base_addr;
 	net_local *lp = netdev_priv(dev);
@@ -2434,7 +2452,7 @@ static iw_stats *wavelan_get_wireless_stats(struct net_device * dev)
  * (called by wv_packet_rcv())
  */
 static void
-wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
+wv_packet_read(struct net_device *dev, u16 buf_off, int sksize)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -2527,7 +2545,7 @@ wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
  * (called in wavelan_interrupt()).
  * Note : the spinlock is already grabbed for us.
  */
-static void wv_receive(struct net_device * dev)
+static void wv_receive(struct net_device *dev)
 {
 	unsigned long ioaddr = dev->base_addr;
 	net_local *lp = netdev_priv(dev);
@@ -2710,7 +2728,7 @@ static void wv_receive(struct net_device * dev)
  *
  * (called in wavelan_packet_xmit())
  */
-static int wv_packet_write(struct net_device * dev, void *buf, short length)
+static int wv_packet_write(struct net_device *dev, void *buf, short length)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -2842,7 +2860,7 @@ static int wv_packet_write(struct net_device * dev, void *buf, short length)
  * to send the packet.
  */
 static netdev_tx_t wavelan_packet_xmit(struct sk_buff *skb,
-					     struct net_device * dev)
+					     struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long flags;
@@ -2854,7 +2872,7 @@ static netdev_tx_t wavelan_packet_xmit(struct sk_buff *skb,
 #endif
 
 	/*
-	 * Block a timer-based transmit from overlapping.
+	 *block a timer-based transmit from overlapping.
 	 * In other words, prevent reentering this routine.
 	 */
 	netif_stop_queue(dev);
@@ -2905,7 +2923,7 @@ static netdev_tx_t wavelan_packet_xmit(struct sk_buff *skb,
  * Routine to initialize the Modem Management Controller.
  * (called by wv_hw_reset())
  */
-static int wv_mmc_init(struct net_device * dev)
+static int wv_mmc_init(struct net_device *dev)
 {
 	unsigned long ioaddr = dev->base_addr;
 	net_local *lp = netdev_priv(dev);
@@ -3077,7 +3095,7 @@ static int wv_mmc_init(struct net_device * dev)
  * Start the receive unit.
  * (called by wv_hw_reset())
  */
-static int wv_ru_start(struct net_device * dev)
+static int wv_ru_start(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -3159,8 +3177,8 @@ static int wv_ru_start(struct net_device * dev)
  * self-loop of the first transmit block.
  *
  * Here we create the list of send buffers used to transmit packets
- * between the PC and the command unit. For each buffer, we create a
- * buffer descriptor (pointing on the buffer), a transmit command
+ *between the PC and the command unit. For each buffer, we create a
+ *buffer descriptor (pointing on the buffer), a transmit command
  * (pointing to the buffer descriptor) and a NOP command.
  * The transmit command is linked to the NOP, and the NOP to itself.
  * When we will have finished executing the transmit command, we will
@@ -3169,7 +3187,7 @@ static int wv_ru_start(struct net_device * dev)
  *
  * (called by wv_hw_reset())
  */
-static int wv_cu_start(struct net_device * dev)
+static int wv_cu_start(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -3270,7 +3288,7 @@ static int wv_cu_start(struct net_device * dev)
  *
  * (called by wv_hw_reset())
  */
-static int wv_82586_start(struct net_device * dev)
+static int wv_82586_start(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -3402,7 +3420,7 @@ static int wv_82586_start(struct net_device * dev)
  *
  * (called by wv_hw_reset(), wv_82586_reconfig(), wavelan_packet_xmit())
  */
-static void wv_82586_config(struct net_device * dev)
+static void wv_82586_config(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -3449,7 +3467,7 @@ static void wv_82586_config(struct net_device * dev)
 	tx_addr = txblock;
 	nop_addr = tx_addr + sizeof(tx);
 	tbd_addr = nop_addr + sizeof(nop);
-	cfg_addr = tbd_addr + sizeof(tbd_t);	/* beginning of the buffer */
+	cfg_addr = tbd_addr + sizeof(tbd_t);	/*beginning of the buffer */
 	ias_addr = cfg_addr + sizeof(cfg);
 	mcs_addr = ias_addr + sizeof(ias);
 
@@ -3578,7 +3596,7 @@ static void wv_82586_config(struct net_device * dev)
  * WaveLAN controller (i82586).
  * (called by wavelan_close())
  */
-static void wv_82586_stop(struct net_device * dev)
+static void wv_82586_stop(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -3615,7 +3633,7 @@ static void wv_82586_stop(struct net_device * dev)
  *	5. Start the LAN controller's receive unit
  * (called by wavelan_interrupt(), wavelan_watchdog() & wavelan_open())
  */
-static int wv_hw_reset(struct net_device * dev)
+static int wv_hw_reset(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long ioaddr = dev->base_addr;
@@ -3939,7 +3957,7 @@ static void wavelan_watchdog(struct net_device *	dev)
  * Configure and start up the WaveLAN PCMCIA adaptor.
  * Called by NET3 when it "opens" the device.
  */
-static int wavelan_open(struct net_device * dev)
+static int wavelan_open(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long	flags;
@@ -3994,7 +4012,7 @@ static int wavelan_open(struct net_device * dev)
  * Shut down the WaveLAN ISA card.
  * Called by NET3 when it "closes" the device.
  */
-static int wavelan_close(struct net_device * dev)
+static int wavelan_close(struct net_device *dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long flags;
@@ -4040,7 +4058,7 @@ static const struct net_device_ops wavelan_netdev_ops = {
 /*------------------------------------------------------------------*/
 /*
  * Probe an I/O address, and if the WaveLAN is there configure the
- * device structure
+ *device structure
  * (called by wavelan_probe() and via init_module()).
  */
 static int __init wavelan_config(struct net_device *dev, unsigned short ioaddr)
@@ -4114,7 +4132,7 @@ static int __init wavelan_config(struct net_device *dev, unsigned short ioaddr)
 	memset(netdev_priv(dev), 0, sizeof(net_local));
 	lp = netdev_priv(dev);
 
-	/* Back link to the device structure. */
+	/*back link to the device structure. */
 	lp->dev = dev;
 	/* Add the device at the beginning of the linked list. */
 	lp->next = wavelan_list;
@@ -4377,7 +4395,7 @@ MODULE_LICENSE("GPL");
  *
  * Please send bug reports, updates, comments to:
  *
- * Bruce Janson                                    Email:  bruce@cs.usyd.edu.au
- * Basser Department of Computer Science           Phone:  +61-2-9351-3423
+ *bruce Janson                                    Email:  bruce@cs.usyd.edu.au
+ *basser Department of Computer Science           Phone:  +61-2-9351-3423
  * University of Sydney, N.S.W., 2006, AUSTRALIA   Fax:    +61-2-9351-3838
  */

From 631c8dec075c16b60c3e0a334c027196b07252b8 Mon Sep 17 00:00:00 2001
From: Edgardo Hames <ehames@gmail.com>
Date: Mon, 8 Mar 2010 17:02:37 -0800
Subject: [PATCH 0838/3638] Staging: wlan-ng: fix coding style in hfa834x_usb.c

This is a patch in hfa834x_usb.c to fix typedef declarations and long lines.

Signed-off-by: Edgardo Hames <ehames@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/hfa384x_usb.c | 159 +++++++++++++-------------
 1 file changed, 81 insertions(+), 78 deletions(-)

diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 5df56f0238d..2400242e2d8 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -62,9 +62,9 @@
 *
 * hfa384x_drvr_xxxconfig  An example of the drvr level abstraction. These
 *			functions are wrappers for the RID get/set
-*			sequence. They 	call copy_[to|from]_bap() and
-*			cmd_access().	These functions operate on the
-*			RIDs and buffers without validation.  The caller
+*			sequence. They call copy_[to|from]_bap() and
+*			cmd_access(). These functions operate on the
+*			RIDs and buffers without validation. The caller
 *			is responsible for that.
 *
 * API wrapper functions:
@@ -144,7 +144,6 @@ enum cmd_mode {
 	DOWAIT = 0,
 	DOASYNC
 };
-typedef enum cmd_mode CMD_MODE;
 
 #define THROTTLE_JIFFIES	(HZ/8)
 #define URB_ASYNC_UNLINK 0
@@ -206,12 +205,11 @@ static void unlocked_usbctlx_complete(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx);
 struct usbctlx_completor {
 	int (*complete) (struct usbctlx_completor *);
 };
-typedef struct usbctlx_completor usbctlx_completor_t;
 
 static int
 hfa384x_usbctlx_complete_sync(hfa384x_t *hw,
 			      hfa384x_usbctlx_t *ctlx,
-			      usbctlx_completor_t *completor);
+			      struct usbctlx_completor *completor);
 
 static int
 unlocked_usbctlx_cancel_async(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx);
@@ -232,13 +230,13 @@ usbctlx_get_rridresult(const hfa384x_usb_rridresp_t *rridresp,
 /* Low level req/resp CTLX formatters and submitters */
 static int
 hfa384x_docmd(hfa384x_t *hw,
-	      CMD_MODE mode,
+	      enum cmd_mode mode,
 	      hfa384x_metacmd_t *cmd,
 	      ctlx_cmdcb_t cmdcb, ctlx_usercb_t usercb, void *usercb_data);
 
 static int
 hfa384x_dorrid(hfa384x_t *hw,
-	       CMD_MODE mode,
+	       enum cmd_mode mode,
 	       u16 rid,
 	       void *riddata,
 	       unsigned int riddatalen,
@@ -246,7 +244,7 @@ hfa384x_dorrid(hfa384x_t *hw,
 
 static int
 hfa384x_dowrid(hfa384x_t *hw,
-	       CMD_MODE mode,
+	       enum cmd_mode mode,
 	       u16 rid,
 	       void *riddata,
 	       unsigned int riddatalen,
@@ -254,7 +252,7 @@ hfa384x_dowrid(hfa384x_t *hw,
 
 static int
 hfa384x_dormem(hfa384x_t *hw,
-	       CMD_MODE mode,
+	       enum cmd_mode mode,
 	       u16 page,
 	       u16 offset,
 	       void *data,
@@ -263,7 +261,7 @@ hfa384x_dormem(hfa384x_t *hw,
 
 static int
 hfa384x_dowmem(hfa384x_t *hw,
-	       CMD_MODE mode,
+	       enum cmd_mode mode,
 	       u16 page,
 	       u16 offset,
 	       void *data,
@@ -351,7 +349,8 @@ static int submit_rx_urb(hfa384x_t *hw, gfp_t memflags)
 	hw->rx_urb_skb = skb;
 
 	result = -ENOLINK;
-	if (!hw->wlandev->hwremoved && !test_bit(WORK_RX_HALT, &hw->usb_flags)) {
+	if (!hw->wlandev->hwremoved &&
+			!test_bit(WORK_RX_HALT, &hw->usb_flags)) {
 		result = SUBMIT_URB(&hw->rx_urb, memflags);
 
 		/* Check whether we need to reset the RX pipe */
@@ -451,7 +450,7 @@ static void hfa384x_usb_defer(struct work_struct *data)
 	if (test_bit(WORK_RX_HALT, &hw->usb_flags)) {
 		int ret;
 
-		usb_kill_urb(&hw->rx_urb);	/* Cannot be holding spinlock! */
+		usb_kill_urb(&hw->rx_urb); /* Cannot be holding spinlock! */
 
 		ret = usb_clear_halt(hw->usb, hw->endp_in);
 		if (ret != 0) {
@@ -668,26 +667,26 @@ usbctlx_get_rridresult(const hfa384x_usb_rridresp_t *rridresp,
 * when processing a CTLX that returns a hfa384x_cmdresult_t structure.
 ----------------------------------------------------------------*/
 struct usbctlx_cmd_completor {
-	usbctlx_completor_t head;
+	struct usbctlx_completor head;
 
 	const hfa384x_usb_cmdresp_t *cmdresp;
 	hfa384x_cmdresult_t *result;
 };
-typedef struct usbctlx_cmd_completor usbctlx_cmd_completor_t;
 
-static int usbctlx_cmd_completor_fn(usbctlx_completor_t *head)
+static inline int usbctlx_cmd_completor_fn(struct usbctlx_completor *head)
 {
-	usbctlx_cmd_completor_t *complete = (usbctlx_cmd_completor_t *) head;
+	struct usbctlx_cmd_completor *complete;
+
+	complete = (struct usbctlx_cmd_completor *) head;
 	return usbctlx_get_status(complete->cmdresp, complete->result);
 }
 
-static inline usbctlx_completor_t *init_cmd_completor(usbctlx_cmd_completor_t *
-						      completor,
-						      const
-						      hfa384x_usb_cmdresp_t *
-						      cmdresp,
-						      hfa384x_cmdresult_t *
-						      result)
+static inline struct usbctlx_completor *init_cmd_completor(
+						struct usbctlx_cmd_completor
+							*completor,
+						const hfa384x_usb_cmdresp_t
+							*cmdresp,
+						hfa384x_cmdresult_t *result)
 {
 	completor->head.complete = usbctlx_cmd_completor_fn;
 	completor->cmdresp = cmdresp;
@@ -701,19 +700,19 @@ static inline usbctlx_completor_t *init_cmd_completor(usbctlx_cmd_completor_t *
 * when processing a CTLX that reads a RID.
 ----------------------------------------------------------------*/
 struct usbctlx_rrid_completor {
-	usbctlx_completor_t head;
+	struct usbctlx_completor head;
 
 	const hfa384x_usb_rridresp_t *rridresp;
 	void *riddata;
 	unsigned int riddatalen;
 };
-typedef struct usbctlx_rrid_completor usbctlx_rrid_completor_t;
 
-static int usbctlx_rrid_completor_fn(usbctlx_completor_t *head)
+static int usbctlx_rrid_completor_fn(struct usbctlx_completor *head)
 {
-	usbctlx_rrid_completor_t *complete = (usbctlx_rrid_completor_t *) head;
+	struct usbctlx_rrid_completor *complete;
 	hfa384x_rridresult_t rridresult;
 
+	complete = (struct usbctlx_rrid_completor *) head;
 	usbctlx_get_rridresult(complete->rridresp, &rridresult);
 
 	/* Validate the length, note body len calculation in bytes */
@@ -729,12 +728,13 @@ static int usbctlx_rrid_completor_fn(usbctlx_completor_t *head)
 	return 0;
 }
 
-static inline usbctlx_completor_t *init_rrid_completor(usbctlx_rrid_completor_t
-						       *completor,
-						       const
-						       hfa384x_usb_rridresp_t *
-						       rridresp, void *riddata,
-						       unsigned int riddatalen)
+static inline struct usbctlx_completor *init_rrid_completor(
+						struct usbctlx_rrid_completor
+							*completor,
+						const hfa384x_usb_rridresp_t
+							*rridresp,
+						void *riddata,
+						unsigned int riddatalen)
 {
 	completor->head.complete = usbctlx_rrid_completor_fn;
 	completor->rridresp = rridresp;
@@ -747,14 +747,14 @@ static inline usbctlx_completor_t *init_rrid_completor(usbctlx_rrid_completor_t
 * Completor object:
 * Interprets the results of a synchronous RID-write
 ----------------------------------------------------------------*/
-typedef usbctlx_cmd_completor_t usbctlx_wrid_completor_t;
+typedef struct usbctlx_cmd_completor usbctlx_wrid_completor_t;
 #define init_wrid_completor  init_cmd_completor
 
 /*----------------------------------------------------------------
 * Completor object:
 * Interprets the results of a synchronous memory-write
 ----------------------------------------------------------------*/
-typedef usbctlx_cmd_completor_t usbctlx_wmem_completor_t;
+typedef struct usbctlx_cmd_completor usbctlx_wmem_completor_t;
 #define init_wmem_completor  init_cmd_completor
 
 /*----------------------------------------------------------------
@@ -762,7 +762,7 @@ typedef usbctlx_cmd_completor_t usbctlx_wmem_completor_t;
 * Interprets the results of a synchronous memory-read
 ----------------------------------------------------------------*/
 struct usbctlx_rmem_completor {
-	usbctlx_completor_t head;
+	struct usbctlx_completor head;
 
 	const hfa384x_usb_rmemresp_t *rmemresp;
 	void *data;
@@ -770,7 +770,7 @@ struct usbctlx_rmem_completor {
 };
 typedef struct usbctlx_rmem_completor usbctlx_rmem_completor_t;
 
-static int usbctlx_rmem_completor_fn(usbctlx_completor_t *head)
+static int usbctlx_rmem_completor_fn(struct usbctlx_completor *head)
 {
 	usbctlx_rmem_completor_t *complete = (usbctlx_rmem_completor_t *) head;
 
@@ -779,11 +779,13 @@ static int usbctlx_rmem_completor_fn(usbctlx_completor_t *head)
 	return 0;
 }
 
-static inline usbctlx_completor_t *init_rmem_completor(usbctlx_rmem_completor_t
-						       *completor,
-						       hfa384x_usb_rmemresp_t
-						       *rmemresp, void *data,
-						       unsigned int len)
+static inline struct usbctlx_completor *init_rmem_completor(
+						usbctlx_rmem_completor_t
+							*completor,
+						hfa384x_usb_rmemresp_t
+							*rmemresp,
+						void *data,
+						unsigned int len)
 {
 	completor->head.complete = usbctlx_rmem_completor_fn;
 	completor->rmemresp = rmemresp;
@@ -1226,7 +1228,7 @@ int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis)
 *
 * Arguments:
 *	hw		device structure
-*	ctlx	 	CTLX ptr
+*	ctlx		CTLX ptr
 *	completor	functor object to decide what to
 *			do with the CTLX's result.
 *
@@ -1244,7 +1246,7 @@ int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis)
 ----------------------------------------------------------------*/
 static int hfa384x_usbctlx_complete_sync(hfa384x_t *hw,
 					 hfa384x_usbctlx_t *ctlx,
-					 usbctlx_completor_t *completor)
+					 struct usbctlx_completor *completor)
 {
 	unsigned long flags;
 	int result;
@@ -1359,7 +1361,7 @@ cleanup:
 ----------------------------------------------------------------*/
 static int
 hfa384x_docmd(hfa384x_t *hw,
-	      CMD_MODE mode,
+	      enum cmd_mode mode,
 	      hfa384x_metacmd_t *cmd,
 	      ctlx_cmdcb_t cmdcb, ctlx_usercb_t usercb, void *usercb_data)
 {
@@ -1394,7 +1396,7 @@ hfa384x_docmd(hfa384x_t *hw,
 	if (result != 0) {
 		kfree(ctlx);
 	} else if (mode == DOWAIT) {
-		usbctlx_cmd_completor_t completor;
+		struct usbctlx_cmd_completor completor;
 
 		result =
 		    hfa384x_usbctlx_complete_sync(hw, ctlx,
@@ -1448,7 +1450,7 @@ done:
 ----------------------------------------------------------------*/
 static int
 hfa384x_dorrid(hfa384x_t *hw,
-	       CMD_MODE mode,
+	       enum cmd_mode mode,
 	       u16 rid,
 	       void *riddata,
 	       unsigned int riddatalen,
@@ -1481,7 +1483,7 @@ hfa384x_dorrid(hfa384x_t *hw,
 	if (result != 0) {
 		kfree(ctlx);
 	} else if (mode == DOWAIT) {
-		usbctlx_rrid_completor_t completor;
+		struct usbctlx_rrid_completor completor;
 
 		result =
 		    hfa384x_usbctlx_complete_sync(hw, ctlx,
@@ -1506,7 +1508,7 @@ done:
 *
 * Arguments:
 *	hw		device structure
-*	CMD_MODE	DOWAIT or DOASYNC
+*	enum cmd_mode	DOWAIT or DOASYNC
 *	rid		RID code
 *	riddata		Data portion of RID formatted for MAC
 *	riddatalen	Length of the data portion in bytes
@@ -1529,7 +1531,7 @@ done:
 ----------------------------------------------------------------*/
 static int
 hfa384x_dowrid(hfa384x_t *hw,
-	       CMD_MODE mode,
+	       enum cmd_mode mode,
 	       u16 rid,
 	       void *riddata,
 	       unsigned int riddatalen,
@@ -1616,7 +1618,7 @@ done:
 ----------------------------------------------------------------*/
 static int
 hfa384x_dormem(hfa384x_t *hw,
-	       CMD_MODE mode,
+	       enum cmd_mode mode,
 	       u16 page,
 	       u16 offset,
 	       void *data,
@@ -1707,7 +1709,7 @@ done:
 ----------------------------------------------------------------*/
 static int
 hfa384x_dowmem(hfa384x_t *hw,
-	       CMD_MODE mode,
+	       enum cmd_mode mode,
 	       u16 page,
 	       u16 offset,
 	       void *data,
@@ -2075,12 +2077,9 @@ int hfa384x_drvr_flashdl_write(hfa384x_t *hw, u32 daddr, void *buf, u32 len)
 			    (j * HFA384x_USB_RWMEM_MAXLEN);
 
 			writepage = HFA384x_ADDR_CMD_MKPAGE(dlbufaddr +
-							    (j *
-							     HFA384x_USB_RWMEM_MAXLEN));
-			writeoffset =
-			    HFA384x_ADDR_CMD_MKOFF(dlbufaddr +
-						   (j *
-						    HFA384x_USB_RWMEM_MAXLEN));
+						(j * HFA384x_USB_RWMEM_MAXLEN));
+			writeoffset = HFA384x_ADDR_CMD_MKOFF(dlbufaddr +
+						(j * HFA384x_USB_RWMEM_MAXLEN));
 
 			writelen = burnlen - (j * HFA384x_USB_RWMEM_MAXLEN);
 			writelen = writelen > HFA384x_USB_RWMEM_MAXLEN ?
@@ -2133,7 +2132,7 @@ exit_proc:
 *	0		success
 *	>0		f/w reported error - f/w status code
 *	<0		driver reported error
-*	-ENODATA 	length mismatch between argument and retrieved
+*	-ENODATA	length mismatch between argument and retrieved
 *			record.
 *
 * Side effects:
@@ -2451,7 +2450,9 @@ int hfa384x_drvr_readpda(hfa384x_t *hw, void *buf, unsigned int len)
 		currpage = HFA384x_ADDR_CMD_MKPAGE(pdaloc[i].cardaddr);
 		curroffset = HFA384x_ADDR_CMD_MKOFF(pdaloc[i].cardaddr);
 
-		result = hfa384x_dormem_wait(hw, currpage, curroffset, buf, len);	/* units of bytes */
+		/* units of bytes */
+		result = hfa384x_dormem_wait(hw, currpage, curroffset, buf,
+						len);
 
 		if (result) {
 			printk(KERN_WARNING
@@ -2611,20 +2612,19 @@ int hfa384x_drvr_start(hfa384x_t *hw)
 	if (result1 != 0) {
 		if (result2 != 0) {
 			printk(KERN_ERR
-			       "cmd_initialize() failed on two attempts, results %d and %d\n",
-			       result1, result2);
+				"cmd_initialize() failed on two attempts,"
+				" results %d and %d\n", result1, result2);
 			usb_kill_urb(&hw->rx_urb);
 			goto done;
 		} else {
 			pr_debug("First cmd_initialize() failed (result %d),\n",
 				 result1);
-			pr_debug
-			    ("but second attempt succeeded. All should be ok\n");
+			pr_debug("but second attempt succeeded."
+				 " All should be ok\n");
 		}
 	} else if (result2 != 0) {
-		printk(KERN_WARNING
-		       "First cmd_initialize() succeeded, but second attempt failed (result=%d)\n",
-		       result2);
+		printk(KERN_WARNING "First cmd_initialize() succeeded,"
+			" but second attempt failed (result=%d)\n", result2);
 		printk(KERN_WARNING
 		       "Most likely the card will be functional\n");
 		goto done;
@@ -3382,8 +3382,9 @@ retry:
 			 * our request has been acknowledged. Odd,
 			 * but our OUT URB is still alive...
 			 */
-			pr_debug
-			    ("Causality violation: please reboot Universe, or email linux-wlan-devel@lists.linux-wlan.com\n");
+			pr_debug("Causality violation: "
+				 "please reboot Universe, or email "
+				 "linux-wlan-devel@lists.linux-wlan.com\n");
 			ctlx->state = CTLX_RESP_COMPLETE;
 			break;
 
@@ -3442,7 +3443,7 @@ static void hfa384x_usbin_txcompl(wlandevice_t *wlandev,
 {
 	u16 status;
 
-	status = le16_to_cpu(usbin->type);	/* yeah I know it says type... */
+	status = le16_to_cpu(usbin->type); /* yeah I know it says type... */
 
 	/* Was there an error? */
 	if (HFA384x_TXSTATUS_ISERROR(status))
@@ -3583,7 +3584,7 @@ static void hfa384x_int_rxmonitor(wlandevice_t *wlandev,
 	struct sk_buff *skb;
 	hfa384x_t *hw = wlandev->priv;
 
-	/* Don't forget the status, time, and data_len fields are in host order */
+	/* Remember the status, time, and data_len fields are in host order */
 	/* Figure out how big the frame is */
 	fc = le16_to_cpu(rxdesc->frame_control);
 	hdrlen = p80211_headerlen(fc);
@@ -3632,7 +3633,8 @@ static void hfa384x_int_rxmonitor(wlandevice_t *wlandev,
 		caphdr->encoding = htonl(1);	/* cck */
 	}
 
-	/* Copy the 802.11 header to the skb (ctl frames may be less than a full header) */
+	/* Copy the 802.11 header to the skb
+	   (ctl frames may be less than a full header) */
 	datap = skb_put(skb, hdrlen);
 	memcpy(datap, &(rxdesc->frame_control), hdrlen);
 
@@ -3644,7 +3646,8 @@ static void hfa384x_int_rxmonitor(wlandevice_t *wlandev,
 		/* check for unencrypted stuff if WEP bit set. */
 		if (*(datap - hdrlen + 1) & 0x40)	/* wep set */
 			if ((*(datap) == 0xaa) && (*(datap + 1) == 0xaa))
-				*(datap - hdrlen + 1) &= 0xbf;	/* clear wep; it's the 802.2 header! */
+				/* clear wep; it's the 802.2 header! */
+				*(datap - hdrlen + 1) &= 0xbf;
 	}
 
 	if (hw->sniff_fcs) {
@@ -3845,10 +3848,10 @@ retry:
 
 		default:
 			/* This is NOT a valid CTLX "success" state! */
-			printk(KERN_ERR
-			       "Illegal CTLX[%d] success state(%s, %d) in OUT URB\n",
-			       le16_to_cpu(ctlx->outbuf.type),
-			       ctlxstr(ctlx->state), urb->status);
+			printk(KERN_ERR "Illegal CTLX[%d]"
+				" success state(%s, %d) in OUT URB\n",
+				le16_to_cpu(ctlx->outbuf.type),
+				ctlxstr(ctlx->state), urb->status);
 			break;
 		}		/* switch */
 	} else {

From 69121fa8dc596a574a6c652c1717861eacc8dd8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaakko=20Niemel=C3=A4?= <mato@kyborgi.net>
Date: Mon, 8 Mar 2010 23:24:44 +0200
Subject: [PATCH 0839/3638] Staging: comedi: fix space before tabs coding style
 issue in adl_pci6208.c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This is a patch to the adl_pci6208.c file that fixes up a space before
tabs warning found by checkpatch.pl tool.

Signed-off-by: Jaakko Niemelä <mato@kyborgi.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci6208.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci6208.c b/drivers/staging/comedi/drivers/adl_pci6208.c
index 6925faaf529..712b9e0788b 100644
--- a/drivers/staging/comedi/drivers/adl_pci6208.c
+++ b/drivers/staging/comedi/drivers/adl_pci6208.c
@@ -54,7 +54,7 @@ References:
 #include "../comedidev.h"
 #include "comedi_pci.h"
 
-#define PCI6208_DRIVER_NAME 	"adl_pci6208"
+#define PCI6208_DRIVER_NAME	"adl_pci6208"
 
 /* Board descriptions */
 struct pci6208_board {
@@ -134,10 +134,10 @@ static int pci6208_ao_rinsn(struct comedi_device *dev,
 			    struct comedi_subdevice *s,
 			    struct comedi_insn *insn, unsigned int *data);
 /* static int pci6208_dio_insn_bits (struct comedi_device *dev,
- * 					struct comedi_subdevice *s, */
+ *					struct comedi_subdevice *s, */
 /* struct comedi_insn *insn,unsigned int *data); */
 /* static int pci6208_dio_insn_config(struct comedi_device *dev,
- * 					struct comedi_subdevice *s, */
+ *					struct comedi_subdevice *s, */
 /* struct comedi_insn *insn,unsigned int *data); */
 
 /*
@@ -268,7 +268,7 @@ static int pci6208_ao_rinsn(struct comedi_device *dev,
  * This allows packed reading/writing of the DIO channels.  The
  * comedi core can convert between insn_bits and insn_read/write */
 /* static int pci6208_dio_insn_bits(struct comedi_device *dev,
- * 					struct comedi_subdevice *s, */
+ *					struct comedi_subdevice *s, */
 /* struct comedi_insn *insn,unsigned int *data) */
 /* { */
 /* if(insn->n!=2)return -EINVAL; */
@@ -293,7 +293,7 @@ static int pci6208_ao_rinsn(struct comedi_device *dev,
 /* } */
 
 /* static int pci6208_dio_insn_config(struct comedi_device *dev,
- * 					struct comedi_subdevice *s, */
+ *					struct comedi_subdevice *s, */
 /* struct comedi_insn *insn,unsigned int *data) */
 /* { */
 /* int chan=CR_CHAN(insn->chanspec); */

From b9eafe438051f4dfde53227e609c932642d6dc8f Mon Sep 17 00:00:00 2001
From: Eli Lindsey <eli@siliconsprawl.com>
Date: Tue, 9 Mar 2010 00:15:32 -0600
Subject: [PATCH 0840/3638] staging: frontier: switch to strict_strtoul in
 tranzport.c

This is a patch to tranzport.c that changes a use of simple_strtoul to
strict_strtoul at the suggestion of checkpatch.pl

Signed-off-by: Eli Lindsey <eli@siliconsprawl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/frontier/tranzport.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/frontier/tranzport.c b/drivers/staging/frontier/tranzport.c
index 1f91001b134..f9ab4f32daa 100644
--- a/drivers/staging/frontier/tranzport.c
+++ b/drivers/staging/frontier/tranzport.c
@@ -198,7 +198,9 @@ static void usb_tranzport_abort_transfers(struct usb_tranzport *dev)
   {									\
     struct usb_interface *intf = to_usb_interface(dev);			\
     struct usb_tranzport *t = usb_get_intfdata(intf);			\
-    int temp = simple_strtoul(buf, NULL, 10);				\
+    unsigned long temp;							\
+    if (strict_strtoul(buf, 10, &temp))					\
+	return -EINVAL;							\
     t->value = temp;							\
     return count;							\
   }									\

From 3504e0c87892c272d9784e12918910d74077da0d Mon Sep 17 00:00:00 2001
From: Eli Lindsey <eli@siliconsprawl.com>
Date: Tue, 9 Mar 2010 00:15:33 -0600
Subject: [PATCH 0841/3638] staging: frontier: switch semaphores to mutexes

This patch changes the use of semaphores in alphatrack.c and tranzport.c to
mutexes at the suggestion of checkpatch.pl

Signed-off-by: Eli Lindsey <eli@siliconsprawl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/frontier/alphatrack.c | 28 +++++++++++++--------------
 drivers/staging/frontier/tranzport.c  | 28 +++++++++++++--------------
 2 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/drivers/staging/frontier/alphatrack.c b/drivers/staging/frontier/alphatrack.c
index ce4d663a3e5..4e52105e607 100644
--- a/drivers/staging/frontier/alphatrack.c
+++ b/drivers/staging/frontier/alphatrack.c
@@ -134,7 +134,7 @@ MODULE_PARM_DESC(min_interrupt_out_interval,
 /* Structure to hold all of our device specific stuff */
 
 struct usb_alphatrack {
-	struct semaphore sem;	/* locks this structure */
+	struct mutex mtx;	/* locks this structure */
 	struct usb_interface *intf;	/* save off the usb interface pointer */
 	int open_count;		/* number of times this port has been opened */
 
@@ -347,7 +347,7 @@ static int usb_alphatrack_open(struct inode *inode, struct file *file)
 	}
 
 	/* lock this device */
-	if (down_interruptible(&dev->sem)) {
+	if (mutex_lock_interruptible(&dev->mtx)) {
 		retval = -ERESTARTSYS;
 		goto unlock_disconnect_exit;
 	}
@@ -390,7 +390,7 @@ static int usb_alphatrack_open(struct inode *inode, struct file *file)
 	file->private_data = dev;
 
 unlock_exit:
-	up(&dev->sem);
+	mutex_unlock(&dev->mtx);
 
 unlock_disconnect_exit:
 	mutex_unlock(&disconnect_mutex);
@@ -413,7 +413,7 @@ static int usb_alphatrack_release(struct inode *inode, struct file *file)
 		goto exit;
 	}
 
-	if (down_interruptible(&dev->sem)) {
+	if (mutex_lock_interruptible(&dev->mtx)) {
 		retval = -ERESTARTSYS;
 		goto exit;
 	}
@@ -425,7 +425,7 @@ static int usb_alphatrack_release(struct inode *inode, struct file *file)
 
 	if (dev->intf == NULL) {
 		/* the device was unplugged before the file was released */
-		up(&dev->sem);
+		mutex_unlock(&dev->mtx);
 		/* unlock here as usb_alphatrack_delete frees dev */
 		usb_alphatrack_delete(dev);
 		retval = -ENODEV;
@@ -441,7 +441,7 @@ static int usb_alphatrack_release(struct inode *inode, struct file *file)
 	dev->open_count = 0;
 
 unlock_exit:
-	up(&dev->sem);
+	mutex_unlock(&dev->mtx);
 
 exit:
 	return retval;
@@ -486,7 +486,7 @@ static ssize_t usb_alphatrack_read(struct file *file, char __user *buffer,
 		goto exit;
 
 	/* lock this object */
-	if (down_interruptible(&dev->sem)) {
+	if (mutex_lock_interruptible(&dev->mtx)) {
 		retval = -ERESTARTSYS;
 		goto exit;
 	}
@@ -532,7 +532,7 @@ static ssize_t usb_alphatrack_read(struct file *file, char __user *buffer,
 
 unlock_exit:
 	/* unlock the device */
-	up(&dev->sem);
+	mutex_unlock(&dev->mtx);
 
 exit:
 	return retval;
@@ -556,7 +556,7 @@ static ssize_t usb_alphatrack_write(struct file *file,
 		goto exit;
 
 	/* lock this object */
-	if (down_interruptible(&dev->sem)) {
+	if (mutex_lock_interruptible(&dev->mtx)) {
 		retval = -ERESTARTSYS;
 		goto exit;
 	}
@@ -627,7 +627,7 @@ static ssize_t usb_alphatrack_write(struct file *file,
 
 unlock_exit:
 	/* unlock the device */
-	up(&dev->sem);
+	mutex_unlock(&dev->mtx);
 
 exit:
 	return retval;
@@ -678,7 +678,7 @@ static int usb_alphatrack_probe(struct usb_interface *intf,
 		dev_err(&intf->dev, "Out of memory\n");
 		goto exit;
 	}
-	init_MUTEX(&dev->sem);
+	mutex_init(&dev->mtx);
 	dev->intf = intf;
 	init_waitqueue_head(&dev->read_wait);
 	init_waitqueue_head(&dev->write_wait);
@@ -835,7 +835,7 @@ static void usb_alphatrack_disconnect(struct usb_interface *intf)
 	dev = usb_get_intfdata(intf);
 	usb_set_intfdata(intf, NULL);
 
-	down(&dev->sem);
+	mutex_lock(&dev->mtx);
 
 	minor = intf->minor;
 
@@ -844,11 +844,11 @@ static void usb_alphatrack_disconnect(struct usb_interface *intf)
 
 	/* if the device is not opened, then we clean up right now */
 	if (!dev->open_count) {
-		up(&dev->sem);
+		mutex_unlock(&dev->mtx);
 		usb_alphatrack_delete(dev);
 	} else {
 		dev->intf = NULL;
-		up(&dev->sem);
+		mutex_unlock(&dev->mtx);
 	}
 
 	atomic_set(&dev->writes_pending, 0);
diff --git a/drivers/staging/frontier/tranzport.c b/drivers/staging/frontier/tranzport.c
index f9ab4f32daa..eed74f0fe0b 100644
--- a/drivers/staging/frontier/tranzport.c
+++ b/drivers/staging/frontier/tranzport.c
@@ -123,7 +123,7 @@ struct tranzport_cmd {
 /* Structure to hold all of our device specific stuff */
 
 struct usb_tranzport {
-	struct semaphore sem;	/* locks this structure */
+	struct mutex mtx;	/* locks this structure */
 	struct usb_interface *intf;	/* save off the usb interface pointer */
 	int open_count;		/* number of times this port opened */
 	struct tranzport_cmd (*ring_buffer)[RING_BUFFER_SIZE];
@@ -367,7 +367,7 @@ static int usb_tranzport_open(struct inode *inode, struct file *file)
 	}
 
 	/* lock this device */
-	if (down_interruptible(&dev->sem)) {
+	if (mutex_lock_interruptible(&dev->mtx)) {
 		retval = -ERESTARTSYS;
 		goto unlock_disconnect_exit;
 	}
@@ -411,7 +411,7 @@ static int usb_tranzport_open(struct inode *inode, struct file *file)
 	file->private_data = dev;
 
 unlock_exit:
-	up(&dev->sem);
+	mutex_unlock(&dev->mtx);
 
 unlock_disconnect_exit:
 	mutex_unlock(&disconnect_mutex);
@@ -434,7 +434,7 @@ static int usb_tranzport_release(struct inode *inode, struct file *file)
 		goto exit;
 	}
 
-	if (down_interruptible(&dev->sem)) {
+	if (mutex_lock_interruptible(&dev->mtx)) {
 		retval = -ERESTARTSYS;
 		goto exit;
 	}
@@ -446,7 +446,7 @@ static int usb_tranzport_release(struct inode *inode, struct file *file)
 
 	if (dev->intf == NULL) {
 		/* the device was unplugged before the file was released */
-		up(&dev->sem);
+		mutex_unlock(&dev->mtx);
 		/* unlock here as usb_tranzport_delete frees dev */
 		usb_tranzport_delete(dev);
 		retval = -ENODEV;
@@ -462,7 +462,7 @@ static int usb_tranzport_release(struct inode *inode, struct file *file)
 	dev->open_count = 0;
 
 unlock_exit:
-	up(&dev->sem);
+	mutex_unlock(&dev->mtx);
 
 exit:
 	return retval;
@@ -512,7 +512,7 @@ static ssize_t usb_tranzport_read(struct file *file, char __user *buffer,
 		goto exit;
 
 	/* lock this object */
-	if (down_interruptible(&dev->sem)) {
+	if (mutex_lock_interruptible(&dev->mtx)) {
 		retval = -ERESTARTSYS;
 		goto exit;
 	}
@@ -660,7 +660,7 @@ retval = 8;
 
 unlock_exit:
 /* unlock the device */
-up(&dev->sem);
+mutex_unlock(&dev->mtx);
 
 exit:
 return retval;
@@ -684,7 +684,7 @@ static ssize_t usb_tranzport_write(struct file *file,
 		goto exit;
 
 	/* lock this object */
-	if (down_interruptible(&dev->sem)) {
+	if (mutex_lock_interruptible(&dev->mtx)) {
 		retval = -ERESTARTSYS;
 		goto exit;
 	}
@@ -753,7 +753,7 @@ static ssize_t usb_tranzport_write(struct file *file,
 
 unlock_exit:
 	/* unlock the device */
-	up(&dev->sem);
+	mutex_unlock(&dev->mtx);
 
 exit:
 	return retval;
@@ -802,7 +802,7 @@ static int usb_tranzport_probe(struct usb_interface *intf,
 		dev_err(&intf->dev, "Out of memory\n");
 		goto exit;
 	}
-	init_MUTEX(&dev->sem);
+	mutex_init(&dev->mtx);
 	dev->intf = intf;
 	init_waitqueue_head(&dev->read_wait);
 	init_waitqueue_head(&dev->write_wait);
@@ -942,18 +942,18 @@ static void usb_tranzport_disconnect(struct usb_interface *intf)
 	mutex_lock(&disconnect_mutex);
 	dev = usb_get_intfdata(intf);
 	usb_set_intfdata(intf, NULL);
-	down(&dev->sem);
+	mutex_lock(&dev->mtx);
 	minor = intf->minor;
 	/* give back our minor */
 	usb_deregister_dev(intf, &usb_tranzport_class);
 
 	/* if the device is not opened, then we clean up right now */
 	if (!dev->open_count) {
-		up(&dev->sem);
+		mutex_unlock(&dev->mtx);
 		usb_tranzport_delete(dev);
 	} else {
 		dev->intf = NULL;
-		up(&dev->sem);
+		mutex_unlock(&dev->mtx);
 	}
 
 	mutex_unlock(&disconnect_mutex);

From ff13209b00dd4f67f676dd8567a9e95f13f4388c Mon Sep 17 00:00:00 2001
From: Ossama Othman <ossama.othman@intel.com>
Date: Mon, 15 Mar 2010 16:23:56 -0700
Subject: [PATCH 0842/3638] staging: Intel Restricted Access Region Handler

The Intel Restricted Access Region Handler provides a buffer allocation
mechanism to RAR users.  Since the intended usage model is to lock out
CPU access to RAR (the CPU will not be able to access RAR memory), this
driver does not access RAR memory, and merely keeps track of what areas
of RAR memory are in use.  It has it's own simple allocator that does
not rely on existing kernel allocators (SLAB, etc) since those
allocators are too tightly coupled with the paging mechanism, which isn't
needed for the intended RAR use cases.

An mmap() implementation is provided for debugging purposes to simplify
RAR memory access from the user space.  However, it will effectively be
a no-op when RAR access control is enabled since the CPU will not be
able to access RAR.

This driver should not be confused with the rar_register driver.  That
driver exposes an interface to access RAR registers on the Moorestown
platform.  The RAR handler driver relies on the rar_register driver for
low level RAR register reads and writes.

This patch was generated and built against the latest linux-2.6 master
branch.

Signed-off-by: Ossama Othman <ossama.othman@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                   |   2 +
 drivers/staging/Makefile                  |   1 +
 drivers/staging/memrar/Kconfig            |  15 +
 drivers/staging/memrar/Makefile           |   2 +
 drivers/staging/memrar/TODO               |  43 +
 drivers/staging/memrar/memrar.h           | 155 ++++
 drivers/staging/memrar/memrar_allocator.c | 432 ++++++++++
 drivers/staging/memrar/memrar_allocator.h | 149 ++++
 drivers/staging/memrar/memrar_handler.c   | 937 ++++++++++++++++++++++
 9 files changed, 1736 insertions(+)
 create mode 100644 drivers/staging/memrar/Kconfig
 create mode 100644 drivers/staging/memrar/Makefile
 create mode 100644 drivers/staging/memrar/TODO
 create mode 100644 drivers/staging/memrar/memrar.h
 create mode 100644 drivers/staging/memrar/memrar_allocator.c
 create mode 100644 drivers/staging/memrar/memrar_allocator.h
 create mode 100644 drivers/staging/memrar/memrar_handler.c

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 5999259922e..597e1098747 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -109,6 +109,8 @@ source "drivers/staging/vme/Kconfig"
 
 source "drivers/staging/rar_register/Kconfig"
 
+source "drivers/staging/memrar/Kconfig"
+
 source "drivers/staging/sep/Kconfig"
 
 source "drivers/staging/iio/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 55ff30f8bd2..6edd9b09c2d 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -35,6 +35,7 @@ obj-$(CONFIG_FB_UDL)		+= udlfb/
 obj-$(CONFIG_HYPERV)		+= hv/
 obj-$(CONFIG_VME_BUS)		+= vme/
 obj-$(CONFIG_RAR_REGISTER)	+= rar_register/
+obj-$(CONFIG_MRST_RAR_HANDLER)	+= memrar/
 obj-$(CONFIG_DX_SEP)		+= sep/
 obj-$(CONFIG_IIO)		+= iio/
 obj-$(CONFIG_RAMZSWAP)		+= ramzswap/
diff --git a/drivers/staging/memrar/Kconfig b/drivers/staging/memrar/Kconfig
new file mode 100644
index 00000000000..a5598a86f66
--- /dev/null
+++ b/drivers/staging/memrar/Kconfig
@@ -0,0 +1,15 @@
+config MRST_RAR_HANDLER
+	tristate "RAR handler driver for Intel Moorestown platform"
+	select RAR_REGISTER
+	---help---
+	  This driver provides a memory management interface to
+	  restricted access regions (RAR) available on the Intel
+	  Moorestown platform.
+
+	  Once locked down, restricted access regions are only
+	  accessible by specific hardware on the platform.  The x86
+	  CPU is typically not one of those platforms.  As such this
+	  driver does not access RAR, and only provides a buffer
+	  allocation/bookkeeping mechanism.
+
+	  If unsure, say N.
diff --git a/drivers/staging/memrar/Makefile b/drivers/staging/memrar/Makefile
new file mode 100644
index 00000000000..a3336c00cc5
--- /dev/null
+++ b/drivers/staging/memrar/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_MRST_RAR_HANDLER)	+= memrar.o
+memrar-y			:= memrar_allocator.o memrar_handler.o
diff --git a/drivers/staging/memrar/TODO b/drivers/staging/memrar/TODO
new file mode 100644
index 00000000000..0087447d503
--- /dev/null
+++ b/drivers/staging/memrar/TODO
@@ -0,0 +1,43 @@
+RAR Handler (memrar) Driver TODO Items
+======================================
+
+Maintainer: Ossama Othman <ossama.othman@intel.com>
+
+memrar.h
+--------
+1. This header exposes the driver's user space and kernel space
+   interfaces.  It should be moved to <linux/rar/memrar.h>, or
+   something along those lines, when this memrar driver is moved out
+   of `staging'.
+     a. It would be ideal if staging/rar_register/rar_register.h was
+        moved to the same directory.
+
+memrar_allocator.[ch]
+---------------------
+1. Address potential fragmentation issues with the memrar_allocator.
+
+2. Hide struct memrar_allocator details/fields.  They need not be
+   exposed to the user.
+     a. Forward declare struct memrar_allocator.
+     b. Move all three struct definitions to `memrar_allocator.c'
+        source file.
+     c. Add a memrar_allocator_largest_free_area() function, or
+        something like that to get access to the value of the struct
+        memrar_allocator "largest_free_area" field.  This allows the
+        struct memrar_allocator fields to be completely hidden from
+        the user.  The memrar_handler code really only needs this for
+        statistic gathering on-demand.
+     d. Do the same for the "capacity" field as the
+        "largest_free_area" field.
+
+3. Move memrar_allocator.* to kernel `lib' directory since it is HW
+   neutral.
+     a. Alternatively, use lib/genalloc.c instead.
+     b. A kernel port of Doug Lea's malloc() implementation may also
+        be an option.
+
+memrar_handler.c
+----------------
+1. Split user space interface (ioctl code) from core/kernel code,
+   e.g.:
+     memrar_handler.c -> memrar_core.c, memrar_user.c
diff --git a/drivers/staging/memrar/memrar.h b/drivers/staging/memrar/memrar.h
new file mode 100644
index 00000000000..0b735b827c0
--- /dev/null
+++ b/drivers/staging/memrar/memrar.h
@@ -0,0 +1,155 @@
+/*
+ *      RAR Handler (/dev/memrar) internal driver API.
+ *      Copyright (C) 2010 Intel Corporation. All rights reserved.
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of version 2 of the GNU General
+ *      Public License as published by the Free Software Foundation.
+ *
+ *      This program is distributed in the hope that it will be
+ *      useful, but WITHOUT ANY WARRANTY; without even the implied
+ *      warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *      PURPOSE.  See the GNU General Public License for more details.
+ *      You should have received a copy of the GNU General Public
+ *      License along with this program; if not, write to the Free
+ *      Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *      Boston, MA  02111-1307, USA.
+ *      The full GNU General Public License is included in this
+ *      distribution in the file called COPYING.
+ */
+
+
+#ifndef _MEMRAR_H
+#define _MEMRAR_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+
+/**
+ * struct RAR_stat - RAR statistics structure
+ * @type:		Type of RAR memory (e.g., audio vs. video)
+ * @capacity:		Total size of RAR memory region.
+ * @largest_block_size:	Size of the largest reservable block.
+ *
+ * This structure is used for RAR_HANDLER_STAT ioctl and for the
+ * RAR_get_stat() user space wrapper function.
+ */
+struct RAR_stat {
+	__u32 type;
+	__u32 capacity;
+	__u32 largest_block_size;
+};
+
+
+/**
+ * struct RAR_block_info - user space struct that describes RAR buffer
+ * @type:	Type of RAR memory (e.g., audio vs. video)
+ * @size:	Requested size of a block to be reserved in RAR.
+ * @handle:	Handle that can be used to refer to reserved block.
+ *
+ * This is the basic structure exposed to the user space that
+ * describes a given RAR buffer.  The buffer's underlying bus address
+ * is not exposed to the user.  User space code refers to the buffer
+ * entirely by "handle".
+ */
+struct RAR_block_info {
+	__u32 type;
+	__u32 size;
+	__u32 handle;
+};
+
+
+#define RAR_IOCTL_BASE 0xE0
+
+/* Reserve RAR block. */
+#define RAR_HANDLER_RESERVE _IOWR(RAR_IOCTL_BASE, 0x00, struct RAR_block_info)
+
+/* Release previously reserved RAR block. */
+#define RAR_HANDLER_RELEASE _IOW(RAR_IOCTL_BASE, 0x01, __u32)
+
+/* Get RAR stats. */
+#define RAR_HANDLER_STAT    _IOWR(RAR_IOCTL_BASE, 0x02, struct RAR_stat)
+
+
+#ifdef __KERNEL__
+
+/* -------------------------------------------------------------- */
+/*               Kernel Side RAR Handler Interface                */
+/* -------------------------------------------------------------- */
+
+/**
+ * struct RAR_buffer - kernel space struct that describes RAR buffer
+ * @info:		structure containing base RAR buffer information
+ * @bus_address:	buffer bus address
+ *
+ * Structure that contains all information related to a given block of
+ * memory in RAR.  It is generally only used when retrieving RAR
+ * related bus addresses.
+ *
+ * Note: This structure is used only by RAR-enabled drivers, and is
+ *       not intended to be exposed to the user space.
+ */
+struct RAR_buffer {
+	struct RAR_block_info info;
+	dma_addr_t bus_address;
+};
+
+/**
+ * rar_reserve() - reserve RAR buffers
+ * @buffers:	array of RAR_buffers where type and size of buffers to
+ *		reserve are passed in, handle and bus address are
+ *		passed out
+ * @count:	number of RAR_buffers in the "buffers" array
+ *
+ * This function will reserve buffers in the restricted access regions
+ * of given types.
+ *
+ * It returns the number of successfully reserved buffers.  Successful
+ * buffer reservations will have the corresponding bus_address field
+ * set to a non-zero value in the given buffers vector.
+ */
+extern size_t rar_reserve(struct RAR_buffer *buffers,
+			  size_t count);
+
+/**
+ * rar_release() - release RAR buffers
+ * @buffers:	array of RAR_buffers where handles to buffers to be
+ *		released are passed in
+ * @count:	number of RAR_buffers in the "buffers" array
+ *
+ * This function will release RAR buffers that were retrieved through
+ * a call to rar_reserve() or rar_handle_to_bus() by decrementing the
+ * reference count.  The RAR buffer will be reclaimed when the
+ * reference count drops to zero.
+ *
+ * It returns the number of successfully released buffers.  Successful
+ * releases will have their handle field set to zero in the given
+ * buffers vector.
+ */
+extern size_t rar_release(struct RAR_buffer *buffers,
+			  size_t count);
+
+/**
+ * rar_handle_to_bus() - convert a vector of RAR handles to bus addresses
+ * @buffers:	array of RAR_buffers containing handles to be
+ *		converted to bus_addresses
+ * @count:	number of RAR_buffers in the "buffers" array
+
+ * This function will retrieve the RAR buffer bus addresses, type and
+ * size corresponding to the RAR handles provided in the buffers
+ * vector.
+ *
+ * It returns the number of successfully converted buffers.  The bus
+ * address will be set to 0 for unrecognized handles.
+ *
+ * The reference count for each corresponding buffer in RAR will be
+ * incremented.  Call rar_release() when done with the buffers.
+ */
+extern size_t rar_handle_to_bus(struct RAR_buffer *buffers,
+				size_t count);
+
+
+#endif  /* __KERNEL__ */
+
+#endif  /* _MEMRAR_H */
diff --git a/drivers/staging/memrar/memrar_allocator.c b/drivers/staging/memrar/memrar_allocator.c
new file mode 100644
index 00000000000..a4f8c5846a0
--- /dev/null
+++ b/drivers/staging/memrar/memrar_allocator.c
@@ -0,0 +1,432 @@
+/*
+ *      memrar_allocator 1.0:  An allocator for Intel RAR.
+ *
+ *      Copyright (C) 2010 Intel Corporation. All rights reserved.
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of version 2 of the GNU General
+ *      Public License as published by the Free Software Foundation.
+ *
+ *      This program is distributed in the hope that it will be
+ *      useful, but WITHOUT ANY WARRANTY; without even the implied
+ *      warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *      PURPOSE.  See the GNU General Public License for more details.
+ *      You should have received a copy of the GNU General Public
+ *      License along with this program; if not, write to the Free
+ *      Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *      Boston, MA  02111-1307, USA.
+ *      The full GNU General Public License is included in this
+ *      distribution in the file called COPYING.
+ *
+ *
+ *  ------------------------------------------------------------------
+ *
+ *      This simple allocator implementation provides a
+ *      malloc()/free()-like interface for reserving space within a
+ *      previously reserved block of memory.  It is not specific to
+ *      any hardware, nor is it coupled with the lower level paging
+ *      mechanism.
+ *
+ *      The primary goal of this implementation is to provide a means
+ *      to partition an arbitrary block of memory without actually
+ *      accessing the memory or incurring any hardware side-effects
+ *      (e.g. paging).  It is, in effect, a bookkeeping mechanism for
+ *      buffers.
+ */
+
+
+#include "memrar_allocator.h"
+#include <linux/slab.h>
+#include <linux/bug.h>
+#include <linux/kernel.h>
+
+
+struct memrar_allocator *memrar_create_allocator(unsigned long base,
+						 size_t capacity,
+						 size_t block_size)
+{
+	struct memrar_allocator *allocator  = NULL;
+	struct memrar_address_ranges *first_node = NULL;
+
+	/*
+	 * Make sure the base address is aligned on a block_size
+	 * boundary.
+	 *
+	 * @todo Is this necessary?
+	 */
+	/* base = ALIGN(base, block_size); */
+
+	/* Validate parameters.
+	 *
+	 * Make sure we can allocate the entire memory space.  Zero
+	 * capacity or block size are obviously invalid.
+	 */
+	if (base == 0
+	    || capacity == 0
+	    || block_size == 0
+	    || ULONG_MAX - capacity < base
+	    || capacity < block_size)
+		return allocator;
+
+	/*
+	 * There isn't much point in creating a memory allocator that
+	 * is only capable of holding one block but we'll allow it,
+	 * and issue a diagnostic.
+	 */
+	WARN(capacity < block_size * 2,
+	     "memrar: Only one block available to allocator.\n");
+
+	allocator = kmalloc(sizeof(*allocator), GFP_KERNEL);
+
+	if (allocator == NULL)
+		return allocator;
+
+	mutex_init(&allocator->lock);
+	allocator->base = base;
+
+	/* Round the capacity down to a multiple of block_size. */
+	allocator->capacity = (capacity / block_size) * block_size;
+
+	allocator->block_size = block_size;
+
+	allocator->largest_free_area = allocator->capacity;
+
+	/* Initialize the handle and free lists. */
+	INIT_LIST_HEAD(&allocator->allocated_list.list);
+	INIT_LIST_HEAD(&allocator->free_list.list);
+
+	first_node = kmalloc(sizeof(*first_node), GFP_KERNEL);
+	if (first_node == NULL)	{
+		kfree(allocator);
+		allocator = NULL;
+	} else {
+		/* Full range of blocks is available. */
+		first_node->range.begin = base;
+		first_node->range.end   = base + allocator->capacity;
+		list_add(&first_node->list,
+			 &allocator->free_list.list);
+	}
+
+	return allocator;
+}
+
+void memrar_destroy_allocator(struct memrar_allocator *allocator)
+{
+	/*
+	 * Assume that the memory allocator lock isn't held at this
+	 * point in time.  Caller must ensure that.
+	 */
+
+	struct memrar_address_ranges *pos = NULL;
+	struct memrar_address_ranges *n   = NULL;
+
+	if (allocator == NULL)
+		return;
+
+	mutex_lock(&allocator->lock);
+
+	/* Reclaim free list resources. */
+	list_for_each_entry_safe(pos,
+				 n,
+				 &allocator->free_list.list,
+				 list) {
+		list_del(&pos->list);
+		kfree(pos);
+	}
+
+	mutex_unlock(&allocator->lock);
+
+	kfree(allocator);
+}
+
+unsigned long memrar_allocator_alloc(struct memrar_allocator *allocator,
+				     size_t size)
+{
+	struct memrar_address_ranges *pos = NULL;
+
+	size_t num_blocks;
+	unsigned long reserved_bytes;
+
+	/*
+	 * Address of allocated buffer.  We assume that zero is not a
+	 * valid address.
+	 */
+	unsigned long addr = 0;
+
+	if (allocator == NULL || size == 0)
+		return addr;
+
+	/* Reserve enough blocks to hold the amount of bytes requested. */
+	num_blocks = DIV_ROUND_UP(size, allocator->block_size);
+
+	reserved_bytes = num_blocks * allocator->block_size;
+
+	mutex_lock(&allocator->lock);
+
+	if (reserved_bytes > allocator->largest_free_area) {
+		mutex_unlock(&allocator->lock);
+		return addr;
+	}
+
+	/*
+	 * Iterate through the free list to find a suitably sized
+	 * range of free contiguous memory blocks.
+	 *
+	 * We also take the opportunity to reset the size of the
+	 * largest free area size statistic.
+	 */
+	list_for_each_entry(pos, &allocator->free_list.list, list) {
+		struct memrar_address_range * const fr = &pos->range;
+		size_t const curr_size = fr->end - fr->begin;
+
+		if (curr_size >= reserved_bytes && addr == 0) {
+			struct memrar_address_range *range = NULL;
+			struct memrar_address_ranges * const new_node =
+				kmalloc(sizeof(*new_node), GFP_KERNEL);
+
+			if (new_node == NULL)
+				break;
+
+			list_add(&new_node->list,
+				 &allocator->allocated_list.list);
+
+			/*
+			 * Carve out area of memory from end of free
+			 * range.
+			 */
+			range        = &new_node->range;
+			range->end   = fr->end;
+			fr->end     -= reserved_bytes;
+			range->begin = fr->end;
+			addr         = range->begin;
+
+			/*
+			 * Check if largest area has decreased in
+			 * size.  We'll need to continue scanning for
+			 * the next largest area if it has.
+			 */
+			if (curr_size == allocator->largest_free_area)
+				allocator->largest_free_area -=
+					reserved_bytes;
+			else
+				break;
+		}
+
+		/*
+		 * Reset largest free area size statistic as needed,
+		 * but only if we've actually allocated memory.
+		 */
+		if (addr != 0
+		    && curr_size > allocator->largest_free_area) {
+			allocator->largest_free_area = curr_size;
+			break;
+		}
+	}
+
+	mutex_unlock(&allocator->lock);
+
+	return addr;
+}
+
+long memrar_allocator_free(struct memrar_allocator *allocator,
+			   unsigned long addr)
+{
+	struct list_head *pos = NULL;
+	struct list_head *tmp = NULL;
+	struct list_head *dst = NULL;
+
+	struct memrar_address_ranges      *allocated = NULL;
+	struct memrar_address_range const *handle    = NULL;
+
+	unsigned long old_end        = 0;
+	unsigned long new_chunk_size = 0;
+
+	if (allocator == NULL)
+		return -EINVAL;
+
+	if (addr == 0)
+		return 0;  /* Ignore "free(0)". */
+
+	mutex_lock(&allocator->lock);
+
+	/* Find the corresponding handle. */
+	list_for_each_entry(allocated,
+			    &allocator->allocated_list.list,
+			    list) {
+		if (allocated->range.begin == addr) {
+			handle = &allocated->range;
+			break;
+		}
+	}
+
+	/* No such buffer created by this allocator. */
+	if (handle == NULL) {
+		mutex_unlock(&allocator->lock);
+		return -EFAULT;
+	}
+
+	/*
+	 * Coalesce adjacent chunks of memory if possible.
+	 *
+	 * @note This isn't full blown coalescing since we're only
+	 *       coalescing at most three chunks of memory.
+	 */
+	list_for_each_safe(pos, tmp, &allocator->free_list.list) {
+		/* @todo O(n) performance.  Optimize. */
+
+		struct memrar_address_range * const chunk =
+			&list_entry(pos,
+				    struct memrar_address_ranges,
+				    list)->range;
+
+		/* Extend size of existing free adjacent chunk. */
+		if (chunk->end == handle->begin) {
+			/*
+			 * Chunk "less than" than the one we're
+			 * freeing is adjacent.
+			 *
+			 * Before:
+			 *
+			 *   +-----+------+
+			 *   |chunk|handle|
+			 *   +-----+------+
+			 *
+			 * After:
+			 *
+			 *   +------------+
+			 *   |   chunk    |
+			 *   +------------+
+			 */
+
+			struct memrar_address_ranges const * const next =
+				list_entry(pos->next,
+					   struct memrar_address_ranges,
+					   list);
+
+			chunk->end = handle->end;
+
+			/*
+			 * Now check if next free chunk is adjacent to
+			 * the current extended free chunk.
+			 *
+			 * Before:
+			 *
+			 *   +------------+----+
+			 *   |   chunk    |next|
+			 *   +------------+----+
+			 *
+			 * After:
+			 *
+			 *   +-----------------+
+			 *   |      chunk      |
+			 *   +-----------------+
+			 */
+			if (!list_is_singular(pos)
+			    && chunk->end == next->range.begin) {
+				chunk->end = next->range.end;
+				list_del(pos->next);
+				kfree(next);
+			}
+
+			list_del(&allocated->list);
+
+			new_chunk_size = chunk->end - chunk->begin;
+
+			goto exit_memrar_free;
+
+		} else if (handle->end == chunk->begin) {
+			/*
+			 * Chunk "greater than" than the one we're
+			 * freeing is adjacent.
+			 *
+			 *   +------+-----+
+			 *   |handle|chunk|
+			 *   +------+-----+
+			 *
+			 * After:
+			 *
+			 *   +------------+
+			 *   |   chunk    |
+			 *   +------------+
+			 */
+
+			struct memrar_address_ranges const * const prev =
+				list_entry(pos->prev,
+					   struct memrar_address_ranges,
+					   list);
+
+			chunk->begin = handle->begin;
+
+			/*
+			 * Now check if previous free chunk is
+			 * adjacent to the current extended free
+			 * chunk.
+			 *
+			 *
+			 * Before:
+			 *
+			 *   +----+------------+
+			 *   |prev|   chunk    |
+			 *   +----+------------+
+			 *
+			 * After:
+			 *
+			 *   +-----------------+
+			 *   |      chunk      |
+			 *   +-----------------+
+			 */
+			if (!list_is_singular(pos)
+			    && prev->range.end == chunk->begin) {
+				chunk->begin = prev->range.begin;
+				list_del(pos->prev);
+				kfree(prev);
+			}
+
+			list_del(&allocated->list);
+
+			new_chunk_size = chunk->end - chunk->begin;
+
+			goto exit_memrar_free;
+
+		} else if (chunk->end < handle->begin
+			   && chunk->end > old_end) {
+			/* Keep track of where the entry could be
+			 * potentially moved from the "allocated" list
+			 * to the "free" list if coalescing doesn't
+			 * occur, making sure the "free" list remains
+			 * sorted.
+			 */
+			old_end = chunk->end;
+			dst = pos;
+		}
+	}
+
+	/*
+	 * Nothing to coalesce.
+	 *
+	 * Move the entry from the "allocated" list to the "free"
+	 * list.
+	 */
+	list_move(&allocated->list, dst);
+	new_chunk_size = handle->end - handle->begin;
+	allocated = NULL;
+
+exit_memrar_free:
+
+	if (new_chunk_size > allocator->largest_free_area)
+		allocator->largest_free_area = new_chunk_size;
+
+	mutex_unlock(&allocator->lock);
+
+	kfree(allocated);
+
+	return 0;
+}
+
+
+
+/*
+  Local Variables:
+    c-file-style: "linux"
+  End:
+*/
diff --git a/drivers/staging/memrar/memrar_allocator.h b/drivers/staging/memrar/memrar_allocator.h
new file mode 100644
index 00000000000..0b80dead710
--- /dev/null
+++ b/drivers/staging/memrar/memrar_allocator.h
@@ -0,0 +1,149 @@
+/*
+ *      Copyright (C) 2010 Intel Corporation. All rights reserved.
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of version 2 of the GNU General
+ *      Public License as published by the Free Software Foundation.
+ *
+ *      This program is distributed in the hope that it will be
+ *      useful, but WITHOUT ANY WARRANTY; without even the implied
+ *      warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *      PURPOSE.  See the GNU General Public License for more details.
+ *      You should have received a copy of the GNU General Public
+ *      License along with this program; if not, write to the Free
+ *      Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *      Boston, MA  02111-1307, USA.
+ *      The full GNU General Public License is included in this
+ *      distribution in the file called COPYING.
+ */
+
+#ifndef MEMRAR_ALLOCATOR_H
+#define MEMRAR_ALLOCATOR_H
+
+
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+
+/**
+ * struct memrar_address_range - struct that describes a memory range
+ * @begin:	Beginning of available address range.
+ * @end:	End of available address range, one past the end,
+ *		i.e. [begin, end).
+ */
+struct memrar_address_range {
+/* private: internal use only */
+	unsigned long begin;
+	unsigned long end;
+};
+
+/**
+ * struct memrar_address_ranges - list of areas of memory.
+ * @list:	Linked list of address ranges.
+ * @range:	Memory address range corresponding to given list node.
+ */
+struct memrar_address_ranges {
+/* private: internal use only */
+	struct list_head list;
+	struct memrar_address_range range;
+};
+
+/**
+ * struct memrar_allocator - encapsulation of the memory allocator state
+ * @lock:		Lock used to synchronize access to the memory
+ *			allocator state.
+ * @base:		Base (start) address of the allocator memory
+ *			space.
+ * @capacity:		Size of the allocator memory space in bytes.
+ * @block_size:		The size in bytes of individual blocks within
+ *			the allocator memory space.
+ * @largest_free_area:	Largest free area of memory in the allocator
+ *			in bytes.
+ * @allocated_list:	List of allocated memory block address
+ *			ranges.
+ * @free_list:		List of free address ranges.
+ *
+ * This structure contains all memory allocator state, including the
+ * base address, capacity, free list, lock, etc.
+ */
+struct memrar_allocator {
+/* private: internal use only */
+	struct mutex lock;
+	unsigned long base;
+	size_t capacity;
+	size_t block_size;
+	size_t largest_free_area;
+	struct memrar_address_ranges allocated_list;
+	struct memrar_address_ranges free_list;
+};
+
+/**
+ * memrar_create_allocator() - create a memory allocator
+ * @base:	Address at which the memory allocator begins.
+ * @capacity:	Desired size of the memory allocator.  This value must
+ *		be larger than the block_size, ideally more than twice
+ *		as large since there wouldn't be much point in using a
+ *		memory allocator otherwise.
+ * @block_size:	The size of individual blocks within the memory
+ *		allocator.  This value must smaller than the
+ *		capacity.
+ *
+ * Create a memory allocator with the given capacity and block size.
+ * The capacity will be reduced to be a multiple of the block size, if
+ * necessary.
+ *
+ * Returns an instance of the memory allocator, if creation succeeds,
+ * otherwise zero if creation fails.  Failure may occur if not enough
+ * kernel memory exists to create the memrar_allocator instance
+ * itself, or if the capacity and block_size arguments are not
+ * compatible or make sense.
+ */
+struct memrar_allocator *memrar_create_allocator(unsigned long base,
+						 size_t capacity,
+						 size_t block_size);
+
+/**
+ * memrar_destroy_allocator() - destroy allocator
+ * @allocator:	The allocator being destroyed.
+ *
+ * Reclaim resources held by the memory allocator.  The caller must
+ * explicitly free all memory reserved by memrar_allocator_alloc()
+ * prior to calling this function.  Otherwise leaks will occur.
+ */
+void memrar_destroy_allocator(struct memrar_allocator *allocator);
+
+/**
+ * memrar_allocator_alloc() - reserve an area of memory of given size
+ * @allocator:	The allocator instance being used to reserve buffer.
+ * @size:	The size in bytes of the buffer to allocate.
+ *
+ * This functions reserves an area of memory managed by the given
+ * allocator.  It returns zero if allocation was not possible.
+ * Failure may occur if the allocator no longer has space available.
+ */
+unsigned long memrar_allocator_alloc(struct memrar_allocator *allocator,
+				     size_t size);
+
+/**
+ * memrar_allocator_free() - release buffer starting at given address
+ * @allocator:	The allocator instance being used to release the buffer.
+ * @address:	The address of the buffer being released.
+ *
+ * Release an area of memory starting at the given address.  Failure
+ * could occur if the given address is not in the address space
+ * managed by the allocator.  Returns zero on success or an errno
+ * (negative value) on failure.
+ */
+long memrar_allocator_free(struct memrar_allocator *allocator,
+			   unsigned long address);
+
+#endif  /* MEMRAR_ALLOCATOR_H */
+
+
+/*
+  Local Variables:
+    c-file-style: "linux"
+  End:
+*/
diff --git a/drivers/staging/memrar/memrar_handler.c b/drivers/staging/memrar/memrar_handler.c
new file mode 100644
index 00000000000..4bbf66f4223
--- /dev/null
+++ b/drivers/staging/memrar/memrar_handler.c
@@ -0,0 +1,937 @@
+/*
+ *      memrar_handler 1.0:  An Intel restricted access region handler device
+ *
+ *      Copyright (C) 2010 Intel Corporation. All rights reserved.
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of version 2 of the GNU General
+ *      Public License as published by the Free Software Foundation.
+ *
+ *      This program is distributed in the hope that it will be
+ *      useful, but WITHOUT ANY WARRANTY; without even the implied
+ *      warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *      PURPOSE.  See the GNU General Public License for more details.
+ *      You should have received a copy of the GNU General Public
+ *      License along with this program; if not, write to the Free
+ *      Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *      Boston, MA  02111-1307, USA.
+ *      The full GNU General Public License is included in this
+ *      distribution in the file called COPYING.
+ *
+ * -------------------------------------------------------------------
+ *
+ *      Moorestown restricted access regions (RAR) provide isolated
+ *      areas of main memory that are only acceessible by authorized
+ *      devices.
+ *
+ *      The Intel Moorestown RAR handler module exposes a kernel space
+ *      RAR memory management mechanism.  It is essentially a
+ *      RAR-specific allocator.
+ *
+ *      Besides providing RAR buffer management, the RAR handler also
+ *      behaves in many ways like an OS virtual memory manager.  For
+ *      example, the RAR "handles" created by the RAR handler are
+ *      analogous to user space virtual addresses.
+ *
+ *      RAR memory itself is never accessed directly by the RAR
+ *      handler.
+ */
+
+#include <linux/miscdevice.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/kref.h>
+#include <linux/mutex.h>
+#include <linux/kernel.h>
+#include <linux/uaccess.h>
+#include <linux/mm.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+
+#include "../rar_register/rar_register.h"
+
+#include "memrar.h"
+#include "memrar_allocator.h"
+
+
+#define MEMRAR_VER "1.0"
+
+/*
+ * Moorestown supports three restricted access regions.
+ *
+ * We only care about the first two, video and audio.  The third,
+ * reserved for Chaabi and the P-unit, will be handled by their
+ * respective drivers.
+ */
+#define MRST_NUM_RAR 2
+
+/* ---------------- -------------------- ------------------- */
+
+/**
+ * struct memrar_buffer_info - struct that keeps track of all RAR buffers
+ * @list:	Linked list of memrar_buffer_info objects.
+ * @buffer:	Core RAR buffer information.
+ * @refcount:	Reference count.
+ * @owner:	File handle corresponding to process that reserved the
+ *		block of memory in RAR.  This will be zero for buffers
+ *		allocated by other drivers instead of by a user space
+ *		process.
+ *
+ * This structure encapsulates a link list of RAR buffers, as well as
+ * other characteristics specific to a given list node, such as the
+ * reference count on the corresponding RAR buffer.
+ */
+struct memrar_buffer_info {
+	struct list_head list;
+	struct RAR_buffer buffer;
+	struct kref refcount;
+	struct file *owner;
+};
+
+/**
+ * struct memrar_rar_info - characteristics of a given RAR
+ * @base:	Base bus address of the RAR.
+ * @length:	Length of the RAR.
+ * @iobase:	Virtual address of RAR mapped into kernel.
+ * @allocator:	Allocator associated with the RAR.  Note the allocator
+ *		"capacity" may be smaller than the RAR length if the
+ *		length is not a multiple of the configured allocator
+ *		block size.
+ * @buffers:	Table that keeps track of all reserved RAR buffers.
+ * @lock:	Lock used to synchronize access to RAR-specific data
+ *		structures.
+ *
+ * Each RAR has an associated memrar_rar_info structure that describes
+ * where in memory the RAR is located, how large it is, and a list of
+ * reserved RAR buffers inside that RAR.  Each RAR also has a mutex
+ * associated with it to reduce lock contention when operations on
+ * multiple RARs are performed in parallel.
+ */
+struct memrar_rar_info {
+	dma_addr_t base;
+	unsigned long length;
+	void __iomem *iobase;
+	struct memrar_allocator *allocator;
+	struct memrar_buffer_info buffers;
+	struct mutex lock;
+};
+
+/*
+ * Array of RAR characteristics.
+ */
+static struct memrar_rar_info memrars[MRST_NUM_RAR];
+
+/* ---------------- -------------------- ------------------- */
+
+/* Validate RAR type. */
+static inline int memrar_is_valid_rar_type(u32 type)
+{
+	return type == RAR_TYPE_VIDEO || type == RAR_TYPE_AUDIO;
+}
+
+/* Check if an address/handle falls with the given RAR memory range. */
+static inline int memrar_handle_in_range(struct memrar_rar_info *rar,
+					 u32 vaddr)
+{
+	unsigned long const iobase = (unsigned long) (rar->iobase);
+	return (vaddr >= iobase && vaddr < iobase + rar->length);
+}
+
+/* Retrieve RAR information associated with the given handle. */
+static struct memrar_rar_info *memrar_get_rar_info(u32 vaddr)
+{
+	int i;
+	for (i = 0; i < MRST_NUM_RAR; ++i) {
+		struct memrar_rar_info * const rar = &memrars[i];
+		if (memrar_handle_in_range(rar, vaddr))
+			return rar;
+	}
+
+	return NULL;
+}
+
+/*
+ * Retrieve bus address from given handle.
+ *
+ * Returns address corresponding to given handle.  Zero if handle is
+ * invalid.
+ */
+static dma_addr_t memrar_get_bus_address(
+	struct memrar_rar_info *rar,
+	u32 vaddr)
+{
+	unsigned long const iobase = (unsigned long) (rar->iobase);
+
+	if (!memrar_handle_in_range(rar, vaddr))
+		return 0;
+
+	/*
+	 * An assumption is made that the virtual address offset is
+	 * the same as the bus address offset, at least based on the
+	 * way this driver is implemented.  For example, vaddr + 2 ==
+	 * baddr + 2.
+	 *
+	 * @todo Is that a valid assumption?
+	 */
+	return rar->base + (vaddr - iobase);
+}
+
+/*
+ * Retrieve physical address from given handle.
+ *
+ * Returns address corresponding to given handle.  Zero if handle is
+ * invalid.
+ */
+static dma_addr_t memrar_get_physical_address(
+	struct memrar_rar_info *rar,
+	u32 vaddr)
+{
+	/*
+	 * @todo This assumes that the bus address and physical
+	 *       address are the same.  That is true for Moorestown
+	 *       but not necessarily on other platforms.  This
+	 *       deficiency should be addressed at some point.
+	 */
+	return memrar_get_bus_address(rar, vaddr);
+}
+
+/*
+ * Core block release code.
+ *
+ * Note: This code removes the node from a list.  Make sure any list
+ *       iteration is performed using list_for_each_safe().
+ */
+static void memrar_release_block_i(struct kref *ref)
+{
+	/*
+	 * Last reference is being released.  Remove from the table,
+	 * and reclaim resources.
+	 */
+
+	struct memrar_buffer_info * const node =
+		container_of(ref, struct memrar_buffer_info, refcount);
+
+	struct RAR_block_info * const user_info =
+		&node->buffer.info;
+
+	struct memrar_allocator * const allocator =
+		memrars[user_info->type].allocator;
+
+	list_del(&node->list);
+
+	memrar_allocator_free(allocator, user_info->handle);
+
+	kfree(node);
+}
+
+/*
+ * Initialize RAR parameters, such as bus addresses, etc.
+ */
+static int memrar_init_rar_resources(char const *devname)
+{
+	/* ---- Sanity Checks ----
+	 * 1. RAR bus addresses in both Lincroft and Langwell RAR
+	 *    registers should be the same.
+	 *    a. There's no way we can do this through IA.
+	 *
+	 * 2. Secure device ID in Langwell RAR registers should be set
+	 *    appropriately, e.g. only LPE DMA for the audio RAR, and
+	 *    security for the other Langwell based RAR registers.
+	 *    a. There's no way we can do this through IA.
+	 *
+	 * 3. Audio and video RAR registers and RAR access should be
+	 *    locked down.  If not, enable RAR access control.  Except
+	 *    for debugging purposes, there is no reason for them to
+	 *    be unlocked.
+	 *    a.  We can only do this for the Lincroft (IA) side.
+	 *
+	 * @todo Should the RAR handler driver even be aware of audio
+	 *       and video RAR settings?
+	 */
+
+	/*
+	 * RAR buffer block size.
+	 *
+	 * We choose it to be the size of a page to simplify the
+	 * /dev/memrar mmap() implementation and usage.  Otherwise
+	 * paging is not involved once an RAR is locked down.
+	 */
+	static size_t const RAR_BLOCK_SIZE = PAGE_SIZE;
+
+	int z;
+	int found_rar = 0;
+
+	BUG_ON(MRST_NUM_RAR != ARRAY_SIZE(memrars));
+
+	for (z = 0; z != MRST_NUM_RAR; ++z) {
+		dma_addr_t low, high;
+		struct memrar_rar_info * const rar = &memrars[z];
+
+		BUG_ON(!memrar_is_valid_rar_type(z));
+
+		mutex_init(&rar->lock);
+
+		/*
+		 * Initialize the process table before we reach any
+		 * code that exit on failure since the finalization
+		 * code requires an initialized list.
+		 */
+		INIT_LIST_HEAD(&rar->buffers.list);
+
+		if (rar_get_address(z, &low, &high) != 0) {
+			/* No RAR is available. */
+			break;
+		} else if (low == 0 || high == 0) {
+			/*
+			 * We don't immediately break out of the loop
+			 * since the next type of RAR may be enabled.
+			 */
+			rar->base      = 0;
+			rar->length    = 0;
+			rar->iobase    = NULL;
+			rar->allocator = NULL;
+			continue;
+		}
+
+		/*
+		 * @todo Verify that LNC and LNW RAR register contents
+		 *       addresses, security, etc are compatible and
+		 *       consistent).
+		 */
+
+		rar->length = high - low + 1;
+
+		/* Claim RAR memory as our own. */
+		if (request_mem_region(low, rar->length, devname) == NULL) {
+			rar->length = 0;
+
+			pr_err("%s: Unable to claim RAR[%d] memory.\n",
+			       devname,
+			       z);
+			pr_err("%s: RAR[%d] disabled.\n", devname, z);
+
+			/*
+			 * Rather than break out of the loop by
+			 * returning -EBUSY, for example, we may be
+			 * able to claim memory of the next RAR region
+			 * as our own.
+			 */
+			continue;
+		}
+
+		rar->base = low;
+
+		/*
+		 * Now map it into the kernel address space.
+		 *
+		 * Note that the RAR memory may only be accessed by IA
+		 * when debugging.  Otherwise attempts to access the
+		 * RAR memory when it is locked down will result in
+		 * behavior similar to writing to /dev/null and
+		 * reading from /dev/zero.  This behavior is enforced
+		 * by the hardware.  Even if we don't access the
+		 * memory, mapping it into the kernel provides us with
+		 * a convenient RAR handle to bus address mapping.
+		 */
+		rar->iobase = ioremap_nocache(rar->base, rar->length);
+		if (rar->iobase == NULL) {
+			pr_err("%s: Unable to map RAR memory.\n",
+			       devname);
+			return -ENOMEM;
+		}
+
+		/* Initialize corresponding memory allocator. */
+		rar->allocator = memrar_create_allocator(
+			(unsigned long) rar->iobase,
+			rar->length,
+			RAR_BLOCK_SIZE);
+		if (rar->allocator == NULL)
+			return -1;
+
+		/*
+		 * -------------------------------------------------
+		 * Make sure all RARs handled by us are locked down.
+		 * -------------------------------------------------
+		 */
+
+		/* Enable RAR protection on the Lincroft side. */
+		if (0) {
+			/*
+			 * This is mostly a sanity check since the
+			 * vendor should have locked down RAR in the
+			 * SMIP header RAR configuration.
+			 */
+			rar_lock(z);
+		} else {
+			pr_warning("%s: LNC RAR[%d] no lock sanity check.\n",
+				   devname,
+				   z);
+		}
+
+		/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
+		/* |||||||||||||||||||||||||||||||||||||||||||||||||| */
+
+		/*
+		 * It would be nice if we could verify that RAR
+		 * protection on the Langwell side is enabled, but
+		 * there is no way to do that from here.  The
+		 * necessary Langwell RAR registers are not accessible
+		 * from the Lincroft (IA) side.
+		 *
+		 * Hopefully the ODM did the right thing and enabled
+		 * Langwell side RAR protection in the integrated
+		 * firmware SMIP header.
+		 */
+
+		pr_info("%s: BRAR[%d] bus address range = "
+			"[0x%lx, 0x%lx]\n",
+			devname,
+			z,
+			(unsigned long) low,
+			(unsigned long) high);
+
+		pr_info("%s: BRAR[%d] size = %u KiB\n",
+			devname,
+			z,
+			rar->allocator->capacity / 1024);
+
+		found_rar = 1;
+	}
+
+	if (!found_rar)	{
+		/*
+		 * No RAR support.  Don't bother continuing.
+		 *
+		 * Note that this is not a failure.
+		 */
+		pr_info("%s: No Moorestown RAR support available.\n",
+			devname);
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+/*
+ * Finalize RAR resources.
+ */
+static void memrar_fini_rar_resources(void)
+{
+	int z;
+	struct memrar_buffer_info *pos;
+	struct memrar_buffer_info *tmp;
+
+	/*
+	 * @todo Do we need to hold a lock at this point in time?
+	 *       (module initialization failure or exit?)
+	 */
+
+	for (z = MRST_NUM_RAR; z-- != 0; ) {
+		struct memrar_rar_info * const rar = &memrars[z];
+
+		/* Clean up remaining resources. */
+
+		list_for_each_entry_safe(pos,
+					 tmp,
+					 &rar->buffers.list,
+					 list) {
+			kref_put(&pos->refcount, memrar_release_block_i);
+		}
+
+		memrar_destroy_allocator(rar->allocator);
+		rar->allocator = NULL;
+
+		iounmap(rar->iobase);
+		rar->iobase = NULL;
+
+		release_mem_region(rar->base, rar->length);
+		rar->base = 0;
+
+		rar->length = 0;
+	}
+}
+
+static long memrar_reserve_block(struct RAR_buffer *request,
+				 struct file *filp)
+{
+	struct RAR_block_info * const rinfo = &request->info;
+	struct RAR_buffer *buffer;
+	struct memrar_buffer_info *buffer_info;
+	u32 handle;
+	struct memrar_rar_info *rar = NULL;
+
+	/* Prevent array overflow. */
+	if (!memrar_is_valid_rar_type(rinfo->type))
+		return -EINVAL;
+
+	rar = &memrars[rinfo->type];
+
+	/* Reserve memory in RAR. */
+	handle = memrar_allocator_alloc(rar->allocator, rinfo->size);
+	if (handle == 0)
+		return -ENOMEM;
+
+	buffer_info = kmalloc(sizeof(*buffer_info), GFP_KERNEL);
+
+	if (buffer_info == NULL) {
+		memrar_allocator_free(rar->allocator, handle);
+		return -ENOMEM;
+	}
+
+	buffer = &buffer_info->buffer;
+	buffer->info.type = rinfo->type;
+	buffer->info.size = rinfo->size;
+
+	/* Memory handle corresponding to the bus address. */
+	buffer->info.handle = handle;
+	buffer->bus_address = memrar_get_bus_address(rar, handle);
+
+	/*
+	 * Keep track of owner so that we can later cleanup if
+	 * necessary.
+	 */
+	buffer_info->owner = filp;
+
+	kref_init(&buffer_info->refcount);
+
+	mutex_lock(&rar->lock);
+	list_add(&buffer_info->list, &rar->buffers.list);
+	mutex_unlock(&rar->lock);
+
+	rinfo->handle = buffer->info.handle;
+	request->bus_address = buffer->bus_address;
+
+	return 0;
+}
+
+static long memrar_release_block(u32 addr)
+{
+	struct memrar_buffer_info *pos;
+	struct memrar_buffer_info *tmp;
+	struct memrar_rar_info * const rar = memrar_get_rar_info(addr);
+	long result = -EINVAL;
+
+	if (rar == NULL)
+		return -EFAULT;
+
+	mutex_lock(&rar->lock);
+
+	/*
+	 * Iterate through the buffer list to find the corresponding
+	 * buffer to be released.
+	 */
+	list_for_each_entry_safe(pos,
+				 tmp,
+				 &rar->buffers.list,
+				 list) {
+		struct RAR_block_info * const info =
+			&pos->buffer.info;
+
+		/*
+		 * Take into account handle offsets that may have been
+		 * added to the base handle, such as in the following
+		 * scenario:
+		 *
+		 *     u32 handle = base + offset;
+		 *     rar_handle_to_bus(handle);
+		 *     rar_release(handle);
+		 */
+		if (addr >= info->handle
+		    && addr < (info->handle + info->size)
+		    && memrar_is_valid_rar_type(info->type)) {
+			kref_put(&pos->refcount, memrar_release_block_i);
+			result = 0;
+			break;
+		}
+	}
+
+	mutex_unlock(&rar->lock);
+
+	return result;
+}
+
+static long memrar_get_stat(struct RAR_stat *r)
+{
+	long result = -EINVAL;
+
+	if (likely(r != NULL) && memrar_is_valid_rar_type(r->type)) {
+		struct memrar_allocator * const allocator =
+			memrars[r->type].allocator;
+
+		BUG_ON(allocator == NULL);
+
+		/*
+		 * Allocator capacity doesn't change over time.  No
+		 * need to synchronize.
+		 */
+		r->capacity = allocator->capacity;
+
+		mutex_lock(&allocator->lock);
+
+		r->largest_block_size = allocator->largest_free_area;
+
+		mutex_unlock(&allocator->lock);
+
+		result = 0;
+	}
+
+	return result;
+}
+
+static long memrar_ioctl(struct file *filp,
+			 unsigned int cmd,
+			 unsigned long arg)
+{
+	void __user *argp = (void __user *)arg;
+	long result = 0;
+
+	struct RAR_buffer buffer;
+	struct RAR_block_info * const request = &buffer.info;
+	struct RAR_stat rar_info;
+	u32 rar_handle;
+
+	switch (cmd) {
+	case RAR_HANDLER_RESERVE:
+		if (copy_from_user(request,
+				   argp,
+				   sizeof(*request)))
+			return -EFAULT;
+
+		result = memrar_reserve_block(&buffer, filp);
+		if (result != 0)
+			return result;
+
+		return copy_to_user(argp, request, sizeof(*request));
+
+	case RAR_HANDLER_RELEASE:
+		if (copy_from_user(&rar_handle,
+				   argp,
+				   sizeof(rar_handle)))
+			return -EFAULT;
+
+		return memrar_release_block(rar_handle);
+
+	case RAR_HANDLER_STAT:
+		if (copy_from_user(&rar_info,
+				   argp,
+				   sizeof(rar_info)))
+			return -EFAULT;
+
+		/*
+		 * Populate the RAR_stat structure based on the RAR
+		 * type given by the user
+		 */
+		if (memrar_get_stat(&rar_info) != 0)
+			return -EINVAL;
+
+		/*
+		 * @todo Do we need to verify destination pointer
+		 *       "argp" is non-zero?  Is that already done by
+		 *       copy_to_user()?
+		 */
+		return copy_to_user(argp,
+				    &rar_info,
+				    sizeof(rar_info)) ? -EFAULT : 0;
+
+	default:
+		return -ENOTTY;
+	}
+
+	return 0;
+}
+
+static int memrar_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	/*
+	 * This mmap() implementation is predominantly useful for
+	 * debugging since the CPU will be prevented from accessing
+	 * RAR memory by the hardware when RAR is properly locked
+	 * down.
+	 *
+	 * In order for this implementation to be useful RAR memory
+	 * must be not be locked down.  However, we only want to do
+	 * that when debugging.  DO NOT leave RAR memory unlocked in a
+	 * deployed device that utilizes RAR.
+	 */
+
+	size_t const size = vma->vm_end - vma->vm_start;
+
+	/* Users pass the RAR handle as the mmap() offset parameter. */
+	unsigned long const handle = vma->vm_pgoff << PAGE_SHIFT;
+
+	struct memrar_rar_info * const rar = memrar_get_rar_info(handle);
+
+	unsigned long pfn;
+
+	/* Invalid RAR handle or size passed to mmap(). */
+	if (rar == NULL
+	    || handle == 0
+	    || size > (handle - (unsigned long) rar->iobase))
+		return -EINVAL;
+
+	/*
+	 * Retrieve physical address corresponding to the RAR handle,
+	 * and convert it to a page frame.
+	 */
+	pfn = memrar_get_physical_address(rar, handle) >> PAGE_SHIFT;
+
+
+	pr_debug("memrar: mapping RAR range [0x%lx, 0x%lx) into user space.\n",
+		 handle,
+		 handle + size);
+
+	/*
+	 * Map RAR memory into user space.  This is really only useful
+	 * for debugging purposes since the memory won't be
+	 * accessible, i.e. reads return zero and writes are ignored,
+	 * when RAR access control is enabled.
+	 */
+	if (remap_pfn_range(vma,
+			    vma->vm_start,
+			    pfn,
+			    size,
+			    vma->vm_page_prot))
+		return -EAGAIN;
+
+	/* vma->vm_ops = &memrar_mem_ops; */
+
+	return 0;
+}
+
+static int memrar_open(struct inode *inode, struct file *filp)
+{
+	/* Nothing to do yet. */
+
+	return 0;
+}
+
+static int memrar_release(struct inode *inode, struct file *filp)
+{
+	/* Free all regions associated with the given file handle. */
+
+	struct memrar_buffer_info *pos;
+	struct memrar_buffer_info *tmp;
+	int z;
+
+	for (z = 0; z != MRST_NUM_RAR; ++z) {
+		struct memrar_rar_info * const rar = &memrars[z];
+
+		mutex_lock(&rar->lock);
+
+		list_for_each_entry_safe(pos,
+					 tmp,
+					 &rar->buffers.list,
+					 list) {
+			if (filp == pos->owner)
+				kref_put(&pos->refcount,
+					 memrar_release_block_i);
+		}
+
+		mutex_unlock(&rar->lock);
+	}
+
+	return 0;
+}
+
+/*
+ * This function is part of the kernel space memrar driver API.
+ */
+size_t rar_reserve(struct RAR_buffer *buffers, size_t count)
+{
+	struct RAR_buffer * const end =
+		(buffers == NULL ? buffers : buffers + count);
+	struct RAR_buffer *i;
+
+	size_t reserve_count = 0;
+
+	for (i = buffers; i != end; ++i) {
+		if (memrar_reserve_block(i, NULL) == 0)
+			++reserve_count;
+		else
+			i->bus_address = 0;
+	}
+
+	return reserve_count;
+}
+EXPORT_SYMBOL(rar_reserve);
+
+/*
+ * This function is part of the kernel space memrar driver API.
+ */
+size_t rar_release(struct RAR_buffer *buffers, size_t count)
+{
+	struct RAR_buffer * const end =
+		(buffers == NULL ? buffers : buffers + count);
+	struct RAR_buffer *i;
+
+	size_t release_count = 0;
+
+	for (i = buffers; i != end; ++i) {
+		u32 * const handle = &i->info.handle;
+		if (memrar_release_block(*handle) == 0) {
+			/*
+			 * @todo We assume we should do this each time
+			 *       the ref count is decremented.  Should
+			 *       we instead only do this when the ref
+			 *       count has dropped to zero, and the
+			 *       buffer has been completely
+			 *       released/unmapped?
+			 */
+			*handle = 0;
+			++release_count;
+		}
+	}
+
+	return release_count;
+}
+EXPORT_SYMBOL(rar_release);
+
+/*
+ * This function is part of the kernel space driver API.
+ */
+size_t rar_handle_to_bus(struct RAR_buffer *buffers, size_t count)
+{
+	struct RAR_buffer * const end =
+		(buffers == NULL ? buffers : buffers + count);
+	struct RAR_buffer *i;
+	struct memrar_buffer_info *pos;
+
+	size_t conversion_count = 0;
+
+	/*
+	 * Find all bus addresses corresponding to the given handles.
+	 *
+	 * @todo Not liking this nested loop.  Optimize.
+	 */
+	for (i = buffers; i != end; ++i) {
+		struct memrar_rar_info * const rar =
+			memrar_get_rar_info(i->info.handle);
+
+		/*
+		 * Check if we have a bogus handle, and then continue
+		 * with remaining buffers.
+		 */
+		if (rar == NULL) {
+			i->bus_address = 0;
+			continue;
+		}
+
+		mutex_lock(&rar->lock);
+
+		list_for_each_entry(pos, &rar->buffers.list, list) {
+			struct RAR_block_info * const user_info =
+				&pos->buffer.info;
+
+			/*
+			 * Take into account handle offsets that may
+			 * have been added to the base handle, such as
+			 * in the following scenario:
+			 *
+			 *     u32 handle = base + offset;
+			 *     rar_handle_to_bus(handle);
+			 */
+
+			if (i->info.handle >= user_info->handle
+			    && i->info.handle < (user_info->handle
+						 + user_info->size)) {
+				u32 const offset =
+					i->info.handle - user_info->handle;
+
+				i->info.type = user_info->type;
+				i->info.size = user_info->size - offset;
+				i->bus_address =
+					pos->buffer.bus_address
+					+ offset;
+
+				/* Increment the reference count. */
+				kref_get(&pos->refcount);
+
+				++conversion_count;
+				break;
+			} else {
+				i->bus_address = 0;
+			}
+		}
+
+		mutex_unlock(&rar->lock);
+	}
+
+	return conversion_count;
+}
+EXPORT_SYMBOL(rar_handle_to_bus);
+
+static const struct file_operations memrar_fops = {
+	.owner = THIS_MODULE,
+	.unlocked_ioctl = memrar_ioctl,
+	.mmap           = memrar_mmap,
+	.open           = memrar_open,
+	.release        = memrar_release,
+};
+
+static struct miscdevice memrar_miscdev = {
+	.minor = MISC_DYNAMIC_MINOR,    /* dynamic allocation */
+	.name = "memrar",               /* /dev/memrar */
+	.fops = &memrar_fops
+};
+
+static char const banner[] __initdata =
+	KERN_INFO
+	"Intel RAR Handler: " MEMRAR_VER " initialized.\n";
+
+static int memrar_registration_callback(void *ctx)
+{
+	/*
+	 * We initialize the RAR parameters early on so that we can
+	 * discontinue memrar device initialization and registration
+	 * if suitably configured RARs are not available.
+	 */
+	int result = memrar_init_rar_resources(memrar_miscdev.name);
+
+	if (result != 0)
+		return result;
+
+	result = misc_register(&memrar_miscdev);
+
+	if (result != 0) {
+		pr_err("%s: misc_register() failed.\n",
+			memrar_miscdev.name);
+
+		/* Clean up resources previously reserved. */
+		memrar_fini_rar_resources();
+	}
+
+	return result;
+}
+
+static int __init memrar_init(void)
+{
+	printk(banner);
+
+	return register_rar(&memrar_registration_callback, 0);
+}
+
+static void __exit memrar_exit(void)
+{
+	memrar_fini_rar_resources();
+
+	misc_deregister(&memrar_miscdev);
+}
+
+
+module_init(memrar_init);
+module_exit(memrar_exit);
+
+
+MODULE_AUTHOR("Ossama Othman <ossama.othman@intel.com>");
+MODULE_DESCRIPTION("Intel Restricted Access Region Handler");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(MISC_DYNAMIC_MINOR);
+MODULE_VERSION(MEMRAR_VER);
+
+
+
+/*
+  Local Variables:
+    c-file-style: "linux"
+  End:
+*/

From b852fdcefc782b6751f96a8ea09471efd844b6bf Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 9 Mar 2010 17:42:33 -0800
Subject: [PATCH 0843/3638] Staging: hv: use network device stats

The network device structure has space already reserved for statistics.

Compile tested only.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/TODO         |  1 -
 drivers/staging/hv/netvsc_drv.c | 31 +++++++++----------------------
 2 files changed, 9 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/hv/TODO b/drivers/staging/hv/TODO
index 01d4bd052cf..66a89c809dd 100644
--- a/drivers/staging/hv/TODO
+++ b/drivers/staging/hv/TODO
@@ -7,7 +7,6 @@ TODO:
 	- see if the vmbus can be merged with the other virtual busses
 	  in the kernel
 	- audit the network driver
-	  - use existing net_device_stats struct in network device
 	  - checking for carrier inside open is wrong, network device API
             confusion??
 	- audit the block driver
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 5ed6e6e7db6..e87a7c205d8 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -43,7 +43,6 @@
 struct net_device_context {
 	/* point back to our device context */
 	struct vm_device *device_ctx;
-	struct net_device_stats stats;
 };
 
 struct netvsc_driver_context {
@@ -58,13 +57,6 @@ static int netvsc_ringbuffer_size = NETVSC_DEVICE_RING_BUFFER_SIZE;
 /* The one and only one */
 static struct netvsc_driver_context g_netvsc_drv;
 
-static struct net_device_stats *netvsc_get_stats(struct net_device *net)
-{
-	struct net_device_context *net_device_ctx = netdev_priv(net);
-
-	return &net_device_ctx->stats;
-}
-
 static void netvsc_set_multicast_list(struct net_device *net)
 {
 }
@@ -78,9 +70,6 @@ static int netvsc_open(struct net_device *net)
 	DPRINT_ENTER(NETVSC_DRV);
 
 	if (netif_carrier_ok(net)) {
-		memset(&net_device_ctx->stats, 0,
-		       sizeof(struct net_device_stats));
-
 		/* Open up the device */
 		ret = RndisFilterOnOpen(device_obj);
 		if (ret != 0) {
@@ -224,8 +213,8 @@ retry_send:
 
 	if (ret == 0) {
 		ret = NETDEV_TX_OK;
-		net_device_ctx->stats.tx_bytes += skb->len;
-		net_device_ctx->stats.tx_packets++;
+		net->stats.tx_bytes += skb->len;
+		net->stats.tx_packets++;
 	} else {
 		retries++;
 		if (retries < 4) {
@@ -241,7 +230,7 @@ retry_send:
 		DPRINT_INFO(NETVSC_DRV, "net device (%p) stopping", net);
 
 		ret = NETDEV_TX_BUSY;
-		net_device_ctx->stats.tx_dropped++;
+		net->stats.tx_dropped++;
 
 		netif_stop_queue(net);
 
@@ -259,8 +248,8 @@ retry_send:
 	}
 
 	DPRINT_DBG(NETVSC_DRV, "# of xmits %lu total size %lu",
-		   net_device_ctx->stats.tx_packets,
-		   net_device_ctx->stats.tx_bytes);
+		   net->stats.tx_packets,
+		   net->stats.tx_bytes);
 
 	DPRINT_EXIT(NETVSC_DRV);
 	return ret;
@@ -360,17 +349,16 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
 
 	switch (ret) {
 	case NET_RX_DROP:
-		net_device_ctx->stats.rx_dropped++;
+		net->stats.rx_dropped++;
 		break;
 	default:
-		net_device_ctx->stats.rx_packets++;
-		net_device_ctx->stats.rx_bytes += skb->len;
+		net->stats.rx_packets++;
+		net->stats.rx_bytes += skb->len;
 		break;
 
 	}
 	DPRINT_DBG(NETVSC_DRV, "# of recvs %lu total size %lu",
-		   net_device_ctx->stats.rx_packets,
-		   net_device_ctx->stats.rx_bytes);
+		   net->stats.rx_packets, net->stats.rx_bytes);
 
 	DPRINT_EXIT(NETVSC_DRV);
 
@@ -381,7 +369,6 @@ static const struct net_device_ops device_ops = {
 	.ndo_open =			netvsc_open,
 	.ndo_stop =			netvsc_close,
 	.ndo_start_xmit =		netvsc_start_xmit,
-	.ndo_get_stats =		netvsc_get_stats,
 	.ndo_set_multicast_list =	netvsc_set_multicast_list,
 };
 

From 9495c282baf53ec7bfffcb9dd9f40cb10d4240e0 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 9 Mar 2010 17:42:17 -0800
Subject: [PATCH 0844/3638] Staging: hv: handle skb allocation failure

Some fixes to receive handling:
  * Dieing with assertion failure when running out of memory is not ok
  * Use newer alloc function to get aligned skb
  * Dropped statistic is supposed to be incremented only by
    driver it was responsible for the drop.

Compile tested only.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/netvsc_drv.c | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index e87a7c205d8..51a56e2b43c 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -294,7 +294,6 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
 	struct net_device_context *net_device_ctx;
 	struct sk_buff *skb;
 	void *data;
-	int ret;
 	int i;
 	unsigned long flags;
 
@@ -308,12 +307,12 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
 
 	net_device_ctx = netdev_priv(net);
 
-	/* Allocate a skb - TODO preallocate this */
-	/* Pad 2-bytes to align IP header to 16 bytes */
-	skb = dev_alloc_skb(packet->TotalDataBufferLength + 2);
-	ASSERT(skb);
-	skb_reserve(skb, 2);
-	skb->dev = net;
+	/* Allocate a skb - TODO direct I/O to pages? */
+	skb = netdev_alloc_skb_ip_align(net, packet->TotalDataBufferLength);
+	if (unlikely(!skb)) {
+		++net->stats.rx_dropped;
+		return 0;
+	}
 
 	/* for kmap_atomic */
 	local_irq_save(flags);
@@ -338,25 +337,18 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
 	local_irq_restore(flags);
 
 	skb->protocol = eth_type_trans(skb, net);
-
 	skb->ip_summed = CHECKSUM_NONE;
 
+	net->stats.rx_packets++;
+	net->stats.rx_bytes += skb->len;
+
 	/*
 	 * Pass the skb back up. Network stack will deallocate the skb when it
-	 * is done
+	 * is done.
+	 * TODO - use NAPI?
 	 */
-	ret = netif_rx(skb);
+	netif_rx(skb);
 
-	switch (ret) {
-	case NET_RX_DROP:
-		net->stats.rx_dropped++;
-		break;
-	default:
-		net->stats.rx_packets++;
-		net->stats.rx_bytes += skb->len;
-		break;
-
-	}
 	DPRINT_DBG(NETVSC_DRV, "# of recvs %lu total size %lu",
 		   net->stats.rx_packets, net->stats.rx_bytes);
 

From 177d42821e2d662fda5bb57d31d33d215fb74fd0 Mon Sep 17 00:00:00 2001
From: Aseem Sethi <aseemsethi@yahoo.com>
Date: Wed, 10 Mar 2010 00:04:36 +0530
Subject: [PATCH 0845/3638] Staging: comedi: fix missing KERN_facility level in
 ni_labpc.c

This is a patch to fix the "missing KERN_facility level" error found
when running the checkpatch.pl script

Signed-off-by: Aseem Sethi <aseemsethi@yahoo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/ni_labpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 558e525fed3..9b840a96baf 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -536,7 +536,7 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
 	printk("\n");
 
 	if (iobase == 0) {
-		printk("io base address is zero!\n");
+		printk(KERN_ERR "io base address is zero!\n");
 		return -EINVAL;
 	}
 	/*  request io regions for isa boards */

From b7e7031aea1215da499b51fea0ade6b92f1232af Mon Sep 17 00:00:00 2001
From: "Prashant P. Shah" <pshah.mumbai@gmail.com>
Date: Tue, 9 Mar 2010 20:16:44 +0530
Subject: [PATCH 0846/3638] Staging: netwave: fixed trailing whitespace style
 issue in netwave_cs.c

This is a patch to the netwave_cs.c file that fixes up all the
trailing whitespace errors found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/netwave/netwave_cs.c | 246 +++++++++++++--------------
 1 file changed, 123 insertions(+), 123 deletions(-)

diff --git a/drivers/staging/netwave/netwave_cs.c b/drivers/staging/netwave/netwave_cs.c
index 3875a722d12..7b3162101ec 100644
--- a/drivers/staging/netwave/netwave_cs.c
+++ b/drivers/staging/netwave/netwave_cs.c
@@ -1,5 +1,5 @@
 /*********************************************************************
- *                
+ *
  * Filename:      netwave_cs.c
  * Version:       0.4.1
  * Description:   Netwave AirSurfer Wireless LAN PC Card driver
@@ -10,27 +10,27 @@
  * Created at:    A long time ago!
  * Modified at:   Mon Nov 10 11:54:37 1997
  * Modified by:   Dag Brattli <dagb@cs.uit.no>
- * 
+ *
  *     Copyright (c) 1997 University of Tromsø, Norway
  *
  * Revision History:
  *
  *   08-Nov-97 15:14:47   John Markus Bjørndalen <johnm@cs.uit.no>
- *    - Fixed some bugs in netwave_rx and cleaned it up a bit. 
+ *    - Fixed some bugs in netwave_rx and cleaned it up a bit.
  *      (One of the bugs would have destroyed packets when receiving
- *      multiple packets per interrupt). 
- *    - Cleaned up parts of newave_hw_xmit. 
- *    - A few general cleanups. 
+ *      multiple packets per interrupt).
+ *    - Cleaned up parts of newave_hw_xmit.
+ *    - A few general cleanups.
  *   24-Oct-97 13:17:36   Dag Brattli <dagb@cs.uit.no>
  *    - Fixed netwave_rx receive function (got updated docs)
  *   Others:
- *    - Changed name from xircnw to netwave, take a look at 
+ *    - Changed name from xircnw to netwave, take a look at
  *      http://www.netwave-wireless.com
  *    - Some reorganizing of the code
  *    - Removed possible race condition between interrupt handler and transmit
  *      function
  *    - Started to add wireless extensions, but still needs some coding
- *    - Added watchdog for better handling of transmission timeouts 
+ *    - Added watchdog for better handling of transmission timeouts
  *      (hopefully this works better)
  ********************************************************************/
 
@@ -101,7 +101,7 @@
 
 /*
  * Commands used in the extended command buffer
- * NETWAVE_EREG_CB (0x100-0x10F) 
+ * NETWAVE_EREG_CB (0x100-0x10F)
  */
 #define NETWAVE_CMD_NOP        0x00
 #define NETWAVE_CMD_SRC        0x01
@@ -133,7 +133,7 @@ static const unsigned int corConfIENA   = 0x01; /* Interrupt enable */
 static const unsigned int corConfLVLREQ = 0x40; /* Keep high */
 
 static const unsigned int rxConfRxEna  = 0x80; /* Receive Enable */
-static const unsigned int rxConfMAC    = 0x20; /* MAC host receive mode*/ 
+static const unsigned int rxConfMAC    = 0x20; /* MAC host receive mode*/
 static const unsigned int rxConfPro    = 0x10; /* Promiscuous */
 static const unsigned int rxConfAMP    = 0x08; /* Accept Multicast Packets */
 static const unsigned int rxConfBcast  = 0x04; /* Accept Broadcast Packets */
@@ -152,15 +152,15 @@ static const unsigned int txConfLoop   = 0x01; /* Loopback mode */
 /* Choose the domain, default is 0x100 */
 static u_int  domain = 0x100;
 
-/* Scramble key, range from 0x0 to 0xffff.  
- * 0x0 is no scrambling. 
+/* Scramble key, range from 0x0 to 0xffff.
+ * 0x0 is no scrambling.
  */
 static u_int  scramble_key = 0x0;
 
-/* Shared memory speed, in ns. The documentation states that 
- * the card should not be read faster than every 400ns. 
- * This timing should be provided by the HBA. If it becomes a 
- * problem, try setting mem_speed to 400. 
+/* Shared memory speed, in ns. The documentation states that
+ * the card should not be read faster than every 400ns.
+ * This timing should be provided by the HBA. If it becomes a
+ * problem, try setting mem_speed to 400.
  */
 static int mem_speed;
 
@@ -229,7 +229,7 @@ struct site_survey {
     u_short length;
     u_char  struct_revision;
     u_char  roaming_state;
-	
+
     u_char  sp_existsFlag;
     u_char  sp_link_quality;
     u_char  sp_max_link_quality;
@@ -239,12 +239,12 @@ struct site_survey {
     u_char  sp_goodness;
     u_char  sp_hotheadcount;
     u_char  roaming_condition;
-	
+
     net_addr sp;
     u_char   numAPs;
     net_addr nearByAccessPoints[MAX_ESA];
-};	
-   
+};
+
 typedef struct netwave_private {
 	struct pcmcia_device	*p_dev;
     spinlock_t	spinlock;	/* Serialize access to the hardware (SMP) */
@@ -261,7 +261,7 @@ typedef struct netwave_private {
  * The Netwave card is little-endian, so won't work for big endian
  * systems.
  */
-static inline unsigned short get_uint16(u_char __iomem *staddr) 
+static inline unsigned short get_uint16(u_char __iomem *staddr)
 {
     return readw(staddr); /* Return only 16 bits */
 }
@@ -271,38 +271,38 @@ static inline short get_int16(u_char __iomem * staddr)
     return readw(staddr);
 }
 
-/* 
- * Wait until the WOC (Write Operation Complete) bit in the 
- * ASR (Adapter Status Register) is asserted. 
- * This should have aborted if it takes too long time. 
+/*
+ * Wait until the WOC (Write Operation Complete) bit in the
+ * ASR (Adapter Status Register) is asserted.
+ * This should have aborted if it takes too long time.
  */
 static inline void wait_WOC(unsigned int iobase)
 {
     /* Spin lock */
-    while ((inb(iobase + NETWAVE_REG_ASR) & 0x8) != 0x8) ; 
+    while ((inb(iobase + NETWAVE_REG_ASR) & 0x8) != 0x8) ;
 }
 
-static void netwave_snapshot(netwave_private *priv, u_char __iomem *ramBase, 
+static void netwave_snapshot(netwave_private *priv, u_char __iomem *ramBase,
 			     unsigned int iobase) {
     u_short resultBuffer;
 
-    /* if time since last snapshot is > 1 sec. (100 jiffies?)  then take 
-     * new snapshot, else return cached data. This is the recommended rate.  
+    /* if time since last snapshot is > 1 sec. (100 jiffies?)  then take
+     * new snapshot, else return cached data. This is the recommended rate.
      */
-    if ( jiffies - priv->lastExec > 100) { 
-	/* Take site survey  snapshot */ 
+    if ( jiffies - priv->lastExec > 100) {
+	/* Take site survey  snapshot */
 	/*printk( KERN_DEBUG "Taking new snapshot. %ld\n", jiffies -
 	  priv->lastExec); */
-	wait_WOC(iobase); 
-	writeb(NETWAVE_CMD_SSS, ramBase + NETWAVE_EREG_CB + 0); 
-	writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1); 
-	wait_WOC(iobase); 
+	wait_WOC(iobase);
+	writeb(NETWAVE_CMD_SSS, ramBase + NETWAVE_EREG_CB + 0);
+	writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1);
+	wait_WOC(iobase);
 
-	/* Get result and copy to cach */ 
-	resultBuffer = readw(ramBase + NETWAVE_EREG_CRBP); 
-	copy_from_pc( &priv->nss, ramBase+resultBuffer, 
-		      sizeof(struct site_survey)); 
-    } 
+	/* Get result and copy to cach */
+	resultBuffer = readw(ramBase + NETWAVE_EREG_CRBP);
+	copy_from_pc( &priv->nss, ramBase+resultBuffer,
+		      sizeof(struct site_survey));
+    }
 }
 
 /*
@@ -312,21 +312,21 @@ static void netwave_snapshot(netwave_private *priv, u_char __iomem *ramBase,
  *
  */
 static struct iw_statistics *netwave_get_wireless_stats(struct net_device *dev)
-{	
+{
     unsigned long flags;
     unsigned int iobase = dev->base_addr;
     netwave_private *priv = netdev_priv(dev);
     u_char __iomem *ramBase = priv->ramBase;
     struct iw_statistics* wstats;
-	
+
     wstats = &priv->iw_stats;
 
     spin_lock_irqsave(&priv->spinlock, flags);
-	
+
     netwave_snapshot( priv, ramBase, iobase);
 
     wstats->status = priv->nss.roaming_state;
-    wstats->qual.qual = readb( ramBase + NETWAVE_EREG_SPCQ); 
+    wstats->qual.qual = readb( ramBase + NETWAVE_EREG_SPCQ);
     wstats->qual.level = readb( ramBase + NETWAVE_EREG_ISPLQ);
     wstats->qual.noise = readb( ramBase + NETWAVE_EREG_SPU) & 0x3f;
     wstats->discard.nwid = 0L;
@@ -334,7 +334,7 @@ static struct iw_statistics *netwave_get_wireless_stats(struct net_device *dev)
     wstats->discard.misc = 0L;
 
     spin_unlock_irqrestore(&priv->spinlock, flags);
-    
+
     return &priv->iw_stats;
 }
 
@@ -352,8 +352,8 @@ static const struct net_device_ops netwave_netdev_ops = {
 /*
  * Function netwave_attach (void)
  *
- *     Creates an "instance" of the driver, allocating local data 
- *     structures for one device.  The device is registered with Card 
+ *     Creates an "instance" of the driver, allocating local data
+ *     structures for one device.  The device is registered with Card
  *     Services.
  *
  *     The dev_link structure is initialized, but we don't actually
@@ -378,14 +378,14 @@ static int netwave_probe(struct pcmcia_device *link)
     /* The io structure describes IO port mapping */
     link->io.NumPorts1 = 16;
     link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
-    /* link->io.NumPorts2 = 16; 
+    /* link->io.NumPorts2 = 16;
        link->io.Attributes2 = IO_DATA_PATH_WIDTH_16; */
     link->io.IOAddrLines = 5;
-    
+
     /* Interrupt setup */
     link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
     link->irq.Handler = &netwave_interrupt;
-    
+
     /* General socket configuration */
     link->conf.Attributes = CONF_ENABLE_IRQ;
     link->conf.IntType = INT_MEMORY_AND_IO;
@@ -457,7 +457,7 @@ static int netwave_set_nwid(struct net_device *dev,
 
 	if(!wrqu->nwid.disabled) {
 	    domain = wrqu->nwid.value;
-	    printk( KERN_DEBUG "Setting domain to 0x%x%02x\n", 
+	    printk( KERN_DEBUG "Setting domain to 0x%x%02x\n",
 		    (domain >> 8) & 0x01, domain & 0xff);
 	    wait_WOC(iobase);
 	    writeb(NETWAVE_CMD_SMD, ramBase + NETWAVE_EREG_CB + 0);
@@ -468,7 +468,7 @@ static int netwave_set_nwid(struct net_device *dev,
 
 	/* ReEnable interrupts & restore flags */
 	spin_unlock_irqrestore(&priv->spinlock, flags);
-    
+
 	return 0;
 }
 
@@ -511,7 +511,7 @@ static int netwave_set_scramble(struct net_device *dev,
 
 	/* ReEnable interrupts & restore flags */
 	spin_unlock_irqrestore(&priv->spinlock, flags);
-    
+
 	return 0;
 }
 
@@ -566,19 +566,19 @@ static int netwave_get_range(struct net_device *dev,
 	/* Set the Wireless Extension versions */
 	range->we_version_compiled = WIRELESS_EXT;
 	range->we_version_source = 9;	/* Nothing for us in v10 and v11 */
-		   
+
 	/* Set information in the range struct */
 	range->throughput = 450 * 1000;	/* don't argue on this ! */
 	range->min_nwid = 0x0000;
 	range->max_nwid = 0x01FF;
 
 	range->num_channels = range->num_frequency = 0;
-		   
+
 	range->sensitivity = 0x3F;
 	range->max_qual.qual = 255;
 	range->max_qual.level = 255;
 	range->max_qual.noise = 0;
-		   
+
 	range->num_bitrates = 1;
 	range->bitrate[0] = 1000000;	/* 1 Mb/s */
 
@@ -614,7 +614,7 @@ static int netwave_get_snap(struct net_device *dev,
 
 	/* ReEnable interrupts & restore flags */
 	spin_unlock_irqrestore(&priv->spinlock, flags);
-    
+
 	return(0);
 }
 
@@ -625,8 +625,8 @@ static int netwave_get_snap(struct net_device *dev,
 
 static const struct iw_priv_args netwave_private_args[] = {
 /*{ cmd,         set_args,                            get_args, name } */
-  { SIOCGIPSNAP, 0, 
-    IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof(struct site_survey), 
+  { SIOCGIPSNAP, 0,
+    IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof(struct site_survey),
     "getsitesurvey" },
 };
 
@@ -698,9 +698,9 @@ static const struct iw_handler_def	netwave_handler_def =
 /*
  * Function netwave_pcmcia_config (link)
  *
- *     netwave_pcmcia_config() is scheduled to run after a CARD_INSERTION 
+ *     netwave_pcmcia_config() is scheduled to run after a CARD_INSERTION
  *     event is received, to configure the PCMCIA socket, and to make the
- *     device available to the system. 
+ *     device available to the system.
  *
  */
 
@@ -758,7 +758,7 @@ static int netwave_pcmcia_config(struct pcmcia_device *link) {
     ret = pcmcia_request_window(link, &req, &link->win);
     if (ret)
 	    goto failed;
-    mem.CardOffset = 0x20000; mem.Page = 0; 
+    mem.CardOffset = 0x20000; mem.Page = 0;
     ret = pcmcia_map_mem_page(link, link->win, &mem);
     if (ret)
 	    goto failed;
@@ -783,7 +783,7 @@ static int netwave_pcmcia_config(struct pcmcia_device *link) {
     netwave_doreset(dev->base_addr, ramBase);
 
     /* Read the ethernet address and fill in the Netwave registers. */
-    for (i = 0; i < 6; i++) 
+    for (i = 0; i < 6; i++)
 	dev->dev_addr[i] = readb(ramBase + NETWAVE_EREG_PA + i);
 
     printk(KERN_INFO "%s: Netwave: port %#3lx, irq %d, mem %lx, "
@@ -795,7 +795,7 @@ static int netwave_pcmcia_config(struct pcmcia_device *link) {
 	   dev->dev_addr);
 
     /* get revision words */
-    printk(KERN_DEBUG "Netwave_reset: revision %04x %04x\n", 
+    printk(KERN_DEBUG "Netwave_reset: revision %04x %04x\n",
 	   get_uint16(ramBase + NETWAVE_EREG_ARW),
 	   get_uint16(ramBase + NETWAVE_EREG_ARW+2));
     return 0;
@@ -864,7 +864,7 @@ static void netwave_doreset(unsigned int ioBase, u_char __iomem *ramBase)
 /*
  * Function netwave_reset (dev)
  *
- *    Reset and restore all of the netwave registers 
+ *    Reset and restore all of the netwave registers
  */
 static void netwave_reset(struct net_device *dev) {
     /* u_char state; */
@@ -879,24 +879,24 @@ static void netwave_reset(struct net_device *dev) {
     /* Reset card */
     netwave_doreset(iobase, ramBase);
     printk(KERN_DEBUG "netwave_reset: Done with hardware reset\n");
-	
+
     /* Write a NOP to check the card */
     wait_WOC(iobase);
     writeb(NETWAVE_CMD_NOP, ramBase + NETWAVE_EREG_CB + 0);
     writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1);
-	
+
     /* Set receive conf */
     wait_WOC(iobase);
     writeb(NETWAVE_CMD_SRC, ramBase + NETWAVE_EREG_CB + 0);
     writeb(rxConfRxEna + rxConfBcast, ramBase + NETWAVE_EREG_CB + 1);
     writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 2);
-    
+
     /* Set transmit conf */
     wait_WOC(iobase);
     writeb(NETWAVE_CMD_STC, ramBase + NETWAVE_EREG_CB + 0);
     writeb(txConfTxEna, ramBase + NETWAVE_EREG_CB + 1);
     writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 2);
-    
+
     /* Now set the MU Domain */
     printk(KERN_DEBUG "Setting domain to 0x%x%02x\n", (domain >> 8) & 0x01, domain & 0xff);
     wait_WOC(iobase);
@@ -904,7 +904,7 @@ static void netwave_reset(struct net_device *dev) {
     writeb(domain & 0xff, ramBase + NETWAVE_EREG_CB + 1);
     writeb((domain>>8) & 0x01, ramBase + NETWAVE_EREG_CB + 2);
     writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 3);
-	
+
     /* Set scramble key */
     printk(KERN_DEBUG "Setting scramble key to 0x%x\n", scramble_key);
     wait_WOC(iobase);
@@ -914,8 +914,8 @@ static void netwave_reset(struct net_device *dev) {
     writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 3);
 
     /* Enable interrupts, bit 4 high to keep unused
-     * source from interrupting us, bit 2 high to 
-     * set interrupt enable, 567 to enable TxDN, 
+     * source from interrupting us, bit 2 high to
+     * set interrupt enable, 567 to enable TxDN,
      * RxErr and RxRdy
      */
     wait_WOC(iobase);
@@ -926,29 +926,29 @@ static void netwave_reset(struct net_device *dev) {
      * skriv 80 til d000:3688
      * sjekk om det ble 80
      */
-    
+
     /* Enable Receiver */
     wait_WOC(iobase);
     writeb(NETWAVE_CMD_ER, ramBase + NETWAVE_EREG_CB + 0);
     writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1);
-	
+
     /* Set the IENA bit in COR */
     wait_WOC(iobase);
     outb(corConfIENA + corConfLVLREQ, iobase + NETWAVE_REG_COR);
 }
 
 /*
- * Function netwave_hw_xmit (data, len, dev)    
+ * Function netwave_hw_xmit (data, len, dev)
  */
 static int netwave_hw_xmit(unsigned char* data, int len,
 			   struct net_device* dev) {
     unsigned long flags;
     unsigned int TxFreeList,
 	         curBuff,
-	         MaxData, 
+	         MaxData,
                  DataOffset;
-    int tmpcount; 
-	
+    int tmpcount;
+
     netwave_private *priv = netdev_priv(dev);
     u_char __iomem * ramBase = priv->ramBase;
     unsigned int iobase = dev->base_addr;
@@ -979,23 +979,23 @@ static int netwave_hw_xmit(unsigned char* data, int len,
     TxFreeList = get_uint16(ramBase + NETWAVE_EREG_TDP);
     MaxData    = get_uint16(ramBase + NETWAVE_EREG_TDP+2);
     DataOffset = get_uint16(ramBase + NETWAVE_EREG_TDP+4);
-	
+
     pr_debug("TxFreeList %x, MaxData %x, DataOffset %x\n",
 	  TxFreeList, MaxData, DataOffset);
 
     /* Copy packet to the adapter fragment buffers */
-    curBuff = TxFreeList; 
-    tmpcount = 0; 
+    curBuff = TxFreeList;
+    tmpcount = 0;
     while (tmpcount < len) {
-	int tmplen = len - tmpcount; 
-	copy_to_pc(ramBase + curBuff + DataOffset, data + tmpcount, 
+	int tmplen = len - tmpcount;
+	copy_to_pc(ramBase + curBuff + DataOffset, data + tmpcount,
 		   (tmplen < MaxData) ? tmplen : MaxData);
 	tmpcount += MaxData;
-			
+
 	/* Advance to next buffer */
 	curBuff = get_uint16(ramBase + curBuff);
     }
-    
+
     /* Now issue transmit list */
     wait_WOC(iobase);
     writeb(NETWAVE_CMD_TL, ramBase + NETWAVE_EREG_CB + 0);
@@ -1020,7 +1020,7 @@ static netdev_tx_t netwave_start_xmit(struct sk_buff *skb,
     {
 	short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
 	unsigned char* buf = skb->data;
-	
+
 	if (netwave_hw_xmit( buf, length, dev) == 1) {
 	    /* Some error, let's make them call us another time? */
 	    netif_start_queue(dev);
@@ -1028,7 +1028,7 @@ static netdev_tx_t netwave_start_xmit(struct sk_buff *skb,
 	dev->trans_start = jiffies;
     }
     dev_kfree_skb(skb);
-    
+
     return NETDEV_TX_OK;
 } /* netwave_start_xmit */
 
@@ -1036,7 +1036,7 @@ static netdev_tx_t netwave_start_xmit(struct sk_buff *skb,
  * Function netwave_interrupt (irq, dev_id)
  *
  *    This function is the interrupt handler for the Netwave card. This
- *    routine will be called whenever: 
+ *    routine will be called whenever:
  *	  1. A packet is received.
  *	  2. A packet has successfully been transferred and the unit is
  *	     ready to transmit another packet.
@@ -1050,29 +1050,29 @@ static irqreturn_t netwave_interrupt(int irq, void* dev_id)
     struct netwave_private *priv = netdev_priv(dev);
     struct pcmcia_device *link = priv->p_dev;
     int i;
-    
+
     if (!netif_device_present(dev))
 	return IRQ_NONE;
-    
+
     iobase = dev->base_addr;
     ramBase = priv->ramBase;
-	
+
     /* Now find what caused the interrupt, check while interrupts ready */
     for (i = 0; i < 10; i++) {
 	u_char status;
-		
-	wait_WOC(iobase);	
+
+	wait_WOC(iobase);
 	if (!(inb(iobase+NETWAVE_REG_CCSR) & 0x02))
 	    break; /* None of the interrupt sources asserted (normal exit) */
-	
+
         status = inb(iobase + NETWAVE_REG_ASR);
-		
+
 	if (!pcmcia_dev_present(link)) {
 	    pr_debug("netwave_interrupt: Interrupt with status 0x%x "
 		  "from removed or suspended card!\n", status);
 	    break;
 	}
-		
+
 	/* RxRdy */
 	if (status & 0x80) {
 	    netwave_rx(dev);
@@ -1082,24 +1082,24 @@ static irqreturn_t netwave_interrupt(int irq, void* dev_id)
 	/* RxErr */
 	if (status & 0x40) {
 	    u_char rser;
-			
-	    rser = readb(ramBase + NETWAVE_EREG_RSER);			
-	    
+
+	    rser = readb(ramBase + NETWAVE_EREG_RSER);
+
 	    if (rser & 0x04) {
 		++dev->stats.rx_dropped;
 		++dev->stats.rx_crc_errors;
 	    }
 	    if (rser & 0x02)
 		++dev->stats.rx_frame_errors;
-			
+
 	    /* Clear the RxErr bit in RSER. RSER+4 is the
-	     * write part. Also clear the RxCRC (0x04) and 
+	     * write part. Also clear the RxCRC (0x04) and
 	     * RxBig (0x02) bits if present */
 	    wait_WOC(iobase);
 	    writeb(0x40 | (rser & 0x06), ramBase + NETWAVE_EREG_RSER + 4);
 
 	    /* Write bit 6 high to ASCC to clear RxErr in ASR,
-	     * WOC must be set first! 
+	     * WOC must be set first!
 	     */
 	    wait_WOC(iobase);
 	    writeb(0x40, ramBase + NETWAVE_EREG_ASCC);
@@ -1114,31 +1114,31 @@ static irqreturn_t netwave_interrupt(int irq, void* dev_id)
 	    txStatus = readb(ramBase + NETWAVE_EREG_TSER);
 	    pr_debug("Transmit done. TSER = %x id %x\n",
 		  txStatus, readb(ramBase + NETWAVE_EREG_TSER + 1));
-	    
+
 	    if (txStatus & 0x20) {
 		/* Transmitting was okay, clear bits */
 		wait_WOC(iobase);
 		writeb(0x2f, ramBase + NETWAVE_EREG_TSER + 4);
 		++dev->stats.tx_packets;
 	    }
-			
+
 	    if (txStatus & 0xd0) {
 		if (txStatus & 0x80) {
 		    ++dev->stats.collisions; /* Because of /proc/net/dev*/
 		    /* ++dev->stats.tx_aborted_errors; */
 		    /* printk("Collision. %ld\n", jiffies - dev->trans_start); */
 		}
-		if (txStatus & 0x40) 
+		if (txStatus & 0x40)
 		    ++dev->stats.tx_carrier_errors;
 		/* 0x80 TxGU Transmit giveup - nine times and no luck
 		 * 0x40 TxNOAP No access point. Discarded packet.
-		 * 0x10 TxErr Transmit error. Always set when 
+		 * 0x10 TxErr Transmit error. Always set when
 		 *      TxGU and TxNOAP is set. (Those are the only ones
 		 *      to set TxErr).
 		 */
 		pr_debug("netwave_interrupt: TxDN with error status %x\n",
 		      txStatus);
-		
+
 		/* Clear out TxGU, TxNOAP, TxErr and TxTrys */
 		wait_WOC(iobase);
 		writeb(0xdf & txStatus, ramBase+NETWAVE_EREG_TSER+4);
@@ -1190,31 +1190,31 @@ static int netwave_rx(struct net_device *dev)
     int dataCount, dataOffset;
     int i;
     u_char *ptr;
-	
+
     pr_debug("xinw_rx: Receiving ... \n");
 
     /* Receive max 10 packets for now. */
     for (i = 0; i < 10; i++) {
 	/* Any packets? */
 	wait_WOC(iobase);
-	rxStatus = readb(ramBase + NETWAVE_EREG_RSER);		
+	rxStatus = readb(ramBase + NETWAVE_EREG_RSER);
 	if ( !( rxStatus & 0x80)) /* No more packets */
 	    break;
-		
+
 	/* Check if multicast/broadcast or other */
 	/* multicast = (rxStatus & 0x20);  */
-		
+
 	/* The receive list pointer and length of the packet */
 	wait_WOC(iobase);
 	rcvLen  = get_int16( ramBase + NETWAVE_EREG_RDP);
 	rcvList = get_uint16( ramBase + NETWAVE_EREG_RDP + 2);
-		
+
 	if (rcvLen < 0) {
-	    printk(KERN_DEBUG "netwave_rx: Receive packet with len %d\n", 
+	    printk(KERN_DEBUG "netwave_rx: Receive packet with len %d\n",
 		   rcvLen);
 	    return 0;
 	}
-		
+
 	skb = dev_alloc_skb(rcvLen+5);
 	if (skb == NULL) {
 	    pr_debug("netwave_rx: Could not allocate an sk_buff of "
@@ -1233,21 +1233,21 @@ static int netwave_rx(struct net_device *dev)
 	/* Copy packet fragments to the skb data area */
 	ptr = (u_char*) skb->data;
 	curBuffer = rcvList;
-	tmpcount = 0; 
+	tmpcount = 0;
 	while ( tmpcount < rcvLen) {
 	    /* Get length and offset of current buffer */
 	    dataCount  = get_uint16( ramBase+curBuffer+2);
 	    dataOffset = get_uint16( ramBase+curBuffer+4);
-		
+
 	    copy_from_pc( ptr + tmpcount,
 			  ramBase+curBuffer+dataOffset, dataCount);
 
 	    tmpcount += dataCount;
-		
+
 	    /* Point to next buffer */
 	    curBuffer = get_uint16(ramBase + curBuffer);
 	}
-	
+
 	skb->protocol = eth_type_trans(skb,dev);
 	/* Queue packet for network layer */
 	netif_rx(skb);
@@ -1269,7 +1269,7 @@ static int netwave_open(struct net_device *dev) {
     struct pcmcia_device *link = priv->p_dev;
 
     dev_dbg(&link->dev, "netwave_open: starting.\n");
-    
+
     if (!pcmcia_dev_present(link))
 	return -ENODEV;
 
@@ -1277,7 +1277,7 @@ static int netwave_open(struct net_device *dev) {
 
     netif_start_queue(dev);
     netwave_reset(dev);
-	
+
     return 0;
 }
 
@@ -1336,7 +1336,7 @@ static void set_multicast_list(struct net_device *dev)
     netwave_private *priv = netdev_priv(dev);
     u_char __iomem * ramBase = priv->ramBase;
     u_char  rcvMode = 0;
-   
+
 #ifdef PCMCIA_DEBUG
     {
 	xstatic int old;
@@ -1347,7 +1347,7 @@ static void set_multicast_list(struct net_device *dev)
 	}
     }
 #endif
-	
+
     if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI)) {
 	/* Multicast Mode */
 	rcvMode = rxConfRxEna + rxConfAMP + rxConfBcast;
@@ -1358,7 +1358,7 @@ static void set_multicast_list(struct net_device *dev)
 	/* Normal mode */
 	rcvMode = rxConfRxEna + rxConfBcast;
     }
-	
+
     /* printk("netwave set_multicast_list: rcvMode to %x\n", rcvMode);*/
     /* Now set receive mode */
     wait_WOC(iobase);

From 8d1fe5eaa3b796609a8e2b7dad2480e623c19819 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 9 Mar 2010 22:14:58 +0100
Subject: [PATCH 0847/3638] Staging: otus: drop redundant memset

The region set by the call to memset is immediately overwritten by the
subsequent call to memcpy.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2,e3,e4;
@@

- memset(e1,e2,e3);
  memcpy(e1,e4,e3);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/wwrap.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/otus/wwrap.c b/drivers/staging/otus/wwrap.c
index a74f7eea56e..b02eb42cd79 100644
--- a/drivers/staging/otus/wwrap.c
+++ b/drivers/staging/otus/wwrap.c
@@ -956,7 +956,6 @@ int zfLnxCencSendMsg(struct sock *netlink_sk, u_int8_t *msg, int len)
 	/*��д���ݱ������Ϣ*/
 	nlh = NLMSG_PUT(skb, 0, 0, WAI_K_MSG, size-sizeof(*nlh));
 	pos = NLMSG_DATA(nlh);
-	memset(pos, 0, len);
 
 	/*���䵽�û��ռ������*/
 	memcpy(pos, msg,  len);

From 347fd7dbdb6ca771f59996ae3c75a2dfde66c3d7 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik.hautakoski@gmail.com>
Date: Tue, 9 Mar 2010 21:51:24 +0100
Subject: [PATCH 0848/3638] Staging: rt2860: fixed coding-style issues in
 pci_main_dev.c

fixed a bunch of coding-style issues generated from checkpatch.pl

Signed-off-by: Henrik Hautakoski <henrik.hautakoski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/pci_main_dev.c | 37 +++++++++++++++------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/rt2860/pci_main_dev.c b/drivers/staging/rt2860/pci_main_dev.c
index e665d862281..321facd6b0a 100644
--- a/drivers/staging/rt2860/pci_main_dev.c
+++ b/drivers/staging/rt2860/pci_main_dev.c
@@ -107,13 +107,13 @@ MODULE_VERSION(STA_DRIVER_VERSION);
 /* Our PCI driver structure */
 /* */
 static struct pci_driver rt2860_driver = {
-name:	"rt2860",
-id_table:rt2860_pci_tbl,
-probe:	rt2860_probe,
-remove:__devexit_p(rt2860_remove_one),
+name: "rt2860",
+id_table : rt2860_pci_tbl,
+probe : rt2860_probe,
+remove : __devexit_p(rt2860_remove_one),
 #ifdef CONFIG_PM
-suspend:rt2860_suspend,
-resume:rt2860_resume,
+suspend : rt2860_suspend,
+resume : rt2860_resume,
 #endif
 };
 
@@ -211,9 +211,9 @@ static int rt2860_resume(struct pci_dev *pci_dev)
 
 	DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_resume()\n"));
 
-	if (net_dev == NULL) {
+	if (net_dev == NULL)
 		DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n"));
-	} else
+	else
 		GET_PAD_FROM_NET_DEV(pAd, net_dev);
 
 	if (pAd != NULL) {
@@ -281,7 +281,9 @@ static int __devinit rt2860_probe(IN struct pci_dev *pci_dev,
 
 /*PCIDevInit============================================== */
 	/* wake up and enable device */
-	if ((rv = pci_enable_device(pci_dev)) != 0) {
+	rv = pci_enable_device(pci_dev);
+
+	if (rv != 0) {
 		DBGPRINT(RT_DEBUG_ERROR,
 			 ("Enable PCI device failed, errno=%d!\n", rv));
 		return rv;
@@ -289,7 +291,9 @@ static int __devinit rt2860_probe(IN struct pci_dev *pci_dev,
 
 	print_name = (char *)pci_name(pci_dev);
 
-	if ((rv = pci_request_regions(pci_dev, print_name)) != 0) {
+	rv = pci_request_regions(pci_dev, print_name);
+
+	if (rv != 0) {
 		DBGPRINT(RT_DEBUG_ERROR,
 			 ("Request PCI resource failed, errno=%d!\n", rv));
 		goto err_out;
@@ -490,9 +494,8 @@ static void RTMPInitPCIeDevice(struct pci_dev *pci_dev, struct rt_rtmp_adapter *
 
 		/* Support advanced power save after 2892/2790. */
 		/* MAC version at offset 0x1000 is 0x2872XXXX/0x2870XXXX(PCIe, USB, SDIO). */
-		if ((MacCsr0 & 0xffff0000) != 0x28600000) {
+		if ((MacCsr0 & 0xffff0000) != 0x28600000)
 			OPSTATUS_SET_FLAG(pAd, fOP_STATUS_PCIE_DEVICE);
-		}
 	}
 }
 
@@ -900,9 +903,9 @@ void RTMPPCIeLinkCtrlValueRestore(struct rt_rtmp_adapter *pAd, u8 Level)
 		if ((Configuration != 0) && (Configuration != 0xFFFF)) {
 			Configuration &= 0xfefc;
 			/* If call from interface down, restore to orginial setting. */
-			if (Level == RESTORE_CLOSE) {
+			if (Level == RESTORE_CLOSE)
 				Configuration |= pAd->HostLnkCtrlConfiguration;
-			} else
+			else
 				Configuration |= 0x0;
 			PCI_REG_WIRTE_WORD(pObj->parent_pci_dev,
 					   pAd->HostLnkCtrlOffset,
@@ -1100,13 +1103,13 @@ void RTMPrt3xSetPCIePowerLinkCtrl(struct rt_rtmp_adapter *pAd)
 		/* Find PCI-to-PCI Bridge Express Capability Offset */
 		pos = pci_find_capability(pObj->parent_pci_dev, PCI_CAP_ID_EXP);
 
-		if (pos != 0) {
+		if (pos != 0)
 			pAd->HostLnkCtrlOffset = pos + PCI_EXP_LNKCTL;
-		}
+
 		/* If configurared to turn on L1. */
 		HostConfiguration = 0;
 		if (pAd->StaCfg.PSControl.field.rt30xxForceASPMTest == 1) {
-			DBGPRINT(RT_DEBUG_TRACE, ("Enter,PSM : Force ASPM \n"));
+			DBGPRINT(RT_DEBUG_TRACE, ("Enter,PSM : Force ASPM\n"));
 
 			/* Skip non-exist deice right away */
 			if ((pAd->HostLnkCtrlOffset != 0)) {

From 8f18604e6f0975fa852f43f90d5556efd67efadc Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 9 Mar 2010 22:15:21 +0100
Subject: [PATCH 0849/3638] Staging: drop redundant memset

The region set by the call to memset is immediately overwritten by the
subsequent call to memcpy.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2,e3,e4;
@@

- memset(e1,e2,e3);
  memcpy(e1,e4,e3);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/sta/assoc.c        | 1 -
 drivers/staging/rt2860/sta_ioctl.c        | 1 -
 drivers/staging/rtl8192su/r819xU_cmdpkt.c | 1 -
 drivers/staging/rtl8192u/r819xU_cmdpkt.c  | 1 -
 drivers/staging/vt6655/iwctl.c            | 2 --
 drivers/staging/vt6656/iwctl.c            | 2 --
 6 files changed, 8 deletions(-)

diff --git a/drivers/staging/rt2860/sta/assoc.c b/drivers/staging/rt2860/sta/assoc.c
index 7055f229e51..6e85d5e6554 100644
--- a/drivers/staging/rt2860/sta/assoc.c
+++ b/drivers/staging/rt2860/sta/assoc.c
@@ -1596,7 +1596,6 @@ BOOLEAN StaAddMacTableEntry(struct rt_rtmp_adapter *pAd,
 		union iwreq_data wrqu;
 		wext_notify_event_assoc(pAd);
 
-		memset(wrqu.ap_addr.sa_data, 0, MAC_ADDR_LEN);
 		memcpy(wrqu.ap_addr.sa_data, pAd->MlmeAux.Bssid, MAC_ADDR_LEN);
 		wireless_send_event(pAd->net_dev, SIOCGIWAP, &wrqu, NULL);
 
diff --git a/drivers/staging/rt2860/sta_ioctl.c b/drivers/staging/rt2860/sta_ioctl.c
index 33a6939cf2a..112da7a6c41 100644
--- a/drivers/staging/rt2860/sta_ioctl.c
+++ b/drivers/staging/rt2860/sta_ioctl.c
@@ -608,7 +608,6 @@ int rt_ioctl_siwap(struct net_device *dev,
 	/* Prevent to connect AP again in STAMlmePeriodicExec */
 	pAdapter->MlmeAux.AutoReconnectSsidLen = 32;
 
-	memset(Bssid, 0, MAC_ADDR_LEN);
 	memcpy(Bssid, ap_addr->sa_data, MAC_ADDR_LEN);
 	MlmeEnqueue(pAdapter,
 		    MLME_CNTL_STATE_MACHINE,
diff --git a/drivers/staging/rtl8192su/r819xU_cmdpkt.c b/drivers/staging/rtl8192su/r819xU_cmdpkt.c
index 9b377bae47b..43b68a02d0c 100644
--- a/drivers/staging/rtl8192su/r819xU_cmdpkt.c
+++ b/drivers/staging/rtl8192su/r819xU_cmdpkt.c
@@ -33,7 +33,6 @@ bool SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
 	tcb_desc->bLastIniPkt = 0;
 	skb_reserve(skb, USB_HWDESC_HEADER_LEN);
 	ptr_buf = skb_put(skb, DataLen);
-	memset(ptr_buf, 0, DataLen);
 	memcpy(ptr_buf, pData, DataLen);
 	tcb_desc->txbuf_size = (u16)DataLen;
 
diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.c b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
index fd19a85297a..0cb28c776c4 100644
--- a/drivers/staging/rtl8192u/r819xU_cmdpkt.c
+++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
@@ -63,7 +63,6 @@ SendTxCommandPacket(
 	tcb_desc->bLastIniPkt = 0;
 	skb_reserve(skb, USB_HWDESC_HEADER_LEN);
 	ptr_buf = skb_put(skb, DataLen);
-	memset(ptr_buf,0,DataLen);
 	memcpy(ptr_buf,pData,DataLen);
 	tcb_desc->txbuf_size= (u16)DataLen;
 
diff --git a/drivers/staging/vt6655/iwctl.c b/drivers/staging/vt6655/iwctl.c
index 78b49830a25..824466d5a65 100644
--- a/drivers/staging/vt6655/iwctl.c
+++ b/drivers/staging/vt6655/iwctl.c
@@ -699,7 +699,6 @@ if (pMgmt->eScanState ==  WMAC_IS_SCANNING) {
 	if (wrq->sa_family != ARPHRD_ETHER)
 		rc = -EINVAL;
 	else {
-		memset(pMgmt->abyDesireBSSID, 0xFF, 6);
 		memcpy(pMgmt->abyDesireBSSID, wrq->sa_data, 6);
 		                //2008-0409-05, <Add> by Einsn Liu
 		if((pDevice->bLinkPass == TRUE) &&
@@ -889,7 +888,6 @@ if (pMgmt->eScanState ==  WMAC_IS_SCANNING) {
            BYTE                   abyTmpDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 	  UINT            ii , uSameBssidNum=0;
 
-	  memset(abyTmpDesireSSID,0,sizeof(abyTmpDesireSSID));
 	  memcpy(abyTmpDesireSSID,pMgmt->abyDesireSSID,sizeof(abyTmpDesireSSID));
             pCurr = BSSpSearchBSSList(pDevice,
                                       NULL,
diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c
index b7c6a22fe32..d7ed3b45633 100644
--- a/drivers/staging/vt6656/iwctl.c
+++ b/drivers/staging/vt6656/iwctl.c
@@ -758,7 +758,6 @@ int iwctl_siwap(struct net_device *dev,
 	if (wrq->sa_family != ARPHRD_ETHER)
 		rc = -EINVAL;
 	else {
-		memset(pMgmt->abyDesireBSSID, 0xFF, 6);
 		memcpy(pMgmt->abyDesireBSSID, wrq->sa_data, 6);
 
 	//mike :add
@@ -936,7 +935,6 @@ int iwctl_siwessid(struct net_device *dev,
            BYTE                   abyTmpDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 	  UINT            ii , uSameBssidNum=0;
 
-	  memset(abyTmpDesireSSID,0,sizeof(abyTmpDesireSSID));
 	  memcpy(abyTmpDesireSSID,pMgmt->abyDesireSSID,sizeof(abyTmpDesireSSID));
             pCurr = BSSpSearchBSSList(pDevice,
                                       NULL,

From 3f3ba29c78c4039a9fd746065ff89afec8bbc19a Mon Sep 17 00:00:00 2001
From: Felipe de Oliveira Tanus <fotanus@gmail.com>
Date: Wed, 10 Mar 2010 02:03:49 -0300
Subject: [PATCH 0850/3638] Staging: comedi: cleanup dt2814.c

This patch cleans up the dt2814.c driver file from issues found by
checkpatch.pl tool.

Signed-off-by: Felipe de Oliveira Tanus <fotanus@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/dt2814.c | 38 ++++++++++++-------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt2814.c b/drivers/staging/comedi/drivers/dt2814.c
index e1b73752f60..16fde066d26 100644
--- a/drivers/staging/comedi/drivers/dt2814.c
+++ b/drivers/staging/comedi/drivers/dt2814.c
@@ -99,13 +99,13 @@ static int dt2814_ai_insn_read(struct comedi_device *dev,
 		outb(chan, dev->iobase + DT2814_CSR);
 		for (i = 0; i < DT2814_TIMEOUT; i++) {
 			status = inb(dev->iobase + DT2814_CSR);
-			printk("dt2814: status: %02x\n", status);
+			printk(KERN_INFO "dt2814: status: %02x\n", status);
 			udelay(10);
 			if (status & DT2814_FINISH)
 				break;
 		}
 		if (i >= DT2814_TIMEOUT) {
-			printk("dt2814: status: %02x\n", status);
+			printk(KERN_INFO "dt2814: status: %02x\n", status);
 			return -ETIMEDOUT;
 		}
 
@@ -173,7 +173,8 @@ static int dt2814_ai_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/* step 2: make sure trigger sources are
+	 * unique and mutually compatible */
 
 	/* note that mutual compatibility is not an issue here */
 	if (cmd->stop_src != TRIG_TIMER && cmd->stop_src != TRIG_EXT)
@@ -256,9 +257,9 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	unsigned long iobase;
 
 	iobase = it->options[0];
-	printk("comedi%d: dt2814: 0x%04lx ", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: dt2814: 0x%04lx ", dev->minor, iobase);
 	if (!request_region(iobase, DT2814_SIZE, "dt2814")) {
-		printk("I/O port conflict\n");
+		printk(KERN_ERR "I/O port conflict\n");
 		return -EIO;
 	}
 	dev->iobase = iobase;
@@ -267,7 +268,7 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	outb(0, dev->iobase + DT2814_CSR);
 	udelay(100);
 	if (inb(dev->iobase + DT2814_CSR) & DT2814_ERR) {
-		printk("reset error (fatal)\n");
+		printk(KERN_ERR "reset error (fatal)\n");
 		return -EIO;
 	}
 	i = inb(dev->iobase + DT2814_DATA);
@@ -286,9 +287,9 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 		irq = probe_irq_off(irqs);
 		restore_flags(flags);
-		if (inb(dev->iobase + DT2814_CSR) & DT2814_ERR) {
-			printk("error probing irq (bad) \n");
-		}
+		if (inb(dev->iobase + DT2814_CSR) & DT2814_ERR)
+			printk(KERN_DEBUG "error probing irq (bad)\n");
+
 
 		i = inb(dev->iobase + DT2814_DATA);
 		i = inb(dev->iobase + DT2814_DATA);
@@ -297,18 +298,18 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	dev->irq = 0;
 	if (irq > 0) {
 		if (request_irq(irq, dt2814_interrupt, 0, "dt2814", dev)) {
-			printk("(irq %d unavailable)\n", irq);
+			printk(KERN_WARNING "(irq %d unavailable)\n", irq);
 		} else {
-			printk("( irq = %d )\n", irq);
+			printk(KERN_INFO "( irq = %d )\n", irq);
 			dev->irq = irq;
 		}
 	} else if (irq == 0) {
-		printk("(no irq)\n");
+		printk(KERN_WARNING "(no irq)\n");
 	} else {
 #if 0
-		printk("(probe returned multiple irqs--bad)\n");
+		printk(KERN_DEBUG "(probe returned multiple irqs--bad)\n");
 #else
-		printk("(irq probe not implemented)\n");
+		printk(KERN_WARNING "(irq probe not implemented)\n");
 #endif
 	}
 
@@ -337,14 +338,13 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 static int dt2814_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: dt2814: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: dt2814: remove\n", dev->minor);
 
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
-	if (dev->iobase) {
+
+	if (dev->iobase)
 		release_region(dev->iobase, DT2814_SIZE);
-	}
 
 	return 0;
 }

From 2306d9b1ee065d0dfb56af4cd05195ec61d69256 Mon Sep 17 00:00:00 2001
From: Rich Folsom <rich.folsom@gmail.com>
Date: Tue, 9 Mar 2010 23:36:45 -0600
Subject: [PATCH 0851/3638] Staging: comedi: fix brace coding style issue in
 adl_pci9111.c

This is a patch to the adl_pci9111.c to fix up a brace warnging found by
the checkpatch.pl tool

Signed-off-by: Rich Folsom <rich.folsom@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci9111.c | 30 +++++++-------------
 1 file changed, 11 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c
index da172a553d1..bbe0e332dae 100644
--- a/drivers/staging/comedi/drivers/adl_pci9111.c
+++ b/drivers/staging/comedi/drivers/adl_pci9111.c
@@ -585,19 +585,17 @@ pci9111_ai_do_cmd_test(struct comedi_device *dev,
 	    (cmd->scan_begin_src != TRIG_EXT))
 		error++;
 
-	if ((cmd->convert_src != TRIG_TIMER) && (cmd->convert_src != TRIG_EXT)) {
+	if ((cmd->convert_src != TRIG_TIMER) && (cmd->convert_src != TRIG_EXT))
 		error++;
-	}
 	if ((cmd->convert_src == TRIG_TIMER) &&
 	    !((cmd->scan_begin_src == TRIG_TIMER) ||
-	      (cmd->scan_begin_src == TRIG_FOLLOW))) {
+	      (cmd->scan_begin_src == TRIG_FOLLOW)))
 		error++;
-	}
 	if ((cmd->convert_src == TRIG_EXT) &&
 	    !((cmd->scan_begin_src == TRIG_EXT) ||
-	      (cmd->scan_begin_src == TRIG_FOLLOW))) {
+	      (cmd->scan_begin_src == TRIG_FOLLOW)))
 		error++;
-	}
+
 
 	if (cmd->scan_end_src != TRIG_COUNT)
 		error++;
@@ -1067,9 +1065,8 @@ static int pci9111_ai_insn_read(struct comedi_device *dev,
 
 	pci9111_ai_channel_set(CR_CHAN((&insn->chanspec)[0]));
 
-	if ((pci9111_ai_range_get()) != CR_RANGE((&insn->chanspec)[0])) {
+	if ((pci9111_ai_range_get()) != CR_RANGE((&insn->chanspec)[0]))
 		pci9111_ai_range_set(CR_RANGE((&insn->chanspec)[0]));
-	}
 
 	pci9111_fifo_reset();
 
@@ -1090,11 +1087,10 @@ static int pci9111_ai_insn_read(struct comedi_device *dev,
 
 conversion_done:
 
-		if (resolution == PCI9111_HR_AI_RESOLUTION) {
+		if (resolution == PCI9111_HR_AI_RESOLUTION)
 			data[i] = pci9111_hr_ai_get_data();
-		} else {
+		else
 			data[i] = pci9111_ai_get_data();
-		}
 	}
 
 #ifdef AI_INSN_DEBUG
@@ -1131,9 +1127,8 @@ static int pci9111_ao_insn_read(struct comedi_device *dev,
 {
 	int i;
 
-	for (i = 0; i < insn->n; i++) {
+	for (i = 0; i < insn->n; i++)
 		data[i] = dev_private->ao_readback & PCI9111_AO_RESOLUTION_MASK;
-	}
 
 	return i;
 }
@@ -1222,9 +1217,8 @@ static int pci9111_attach(struct comedi_device *dev,
 	int error, i;
 	const struct pci9111_board *board;
 
-	if (alloc_private(dev, sizeof(struct pci9111_private_data)) < 0) {
+	if (alloc_private(dev, sizeof(struct pci9111_private_data)) < 0)
 		return -ENOMEM;
-	}
 	/*  Probe the device to determine what device in the series it is. */
 
 	printk("comedi%d: " PCI9111_DRIVER_NAME " driver\n", dev->minor);
@@ -1394,14 +1388,12 @@ static int pci9111_detach(struct comedi_device *dev)
 	}
 	/*  Release previously allocated irq */
 
-	if (dev->irq != 0) {
+	if (dev->irq != 0)
 		free_irq(dev->irq, dev);
-	}
 
 	if (dev_private != 0 && dev_private->pci_device != 0) {
-		if (dev->iobase) {
+		if (dev->iobase)
 			comedi_pci_disable(dev_private->pci_device);
-		}
 		pci_dev_put(dev_private->pci_device);
 	}
 

From 20617f22b006e12b81602d80d85f8f3f7efdef45 Mon Sep 17 00:00:00 2001
From: Pieter De Praetere <pieterc.depraetere@ugent.be>
Date: Wed, 10 Mar 2010 09:47:44 +0100
Subject: [PATCH 0852/3638] Staging: comedi: fix whitespace coding style issues
 in comedi_fops.c

Solves warnings found by the checkpatch.pl tool: spaces before tabs.

Signed-off-by: Pieter De Praetere <pieterc.depraetere@ugent.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 39 ++++++++++++++--------------
 1 file changed, 20 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index aca96747e5e..287a1af3d01 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -598,19 +598,19 @@ copyback:
 static int parse_insn(struct comedi_device *dev, struct comedi_insn *insn,
 		      unsigned int *data, void *file);
 /*
- * 	COMEDI_INSNLIST
- * 	synchronous instructions
+ *	COMEDI_INSNLIST
+ *	synchronous instructions
  *
- * 	arg:
- * 		pointer to sync cmd structure
+ *	arg:
+ *		pointer to sync cmd structure
  *
- * 	reads:
- * 		sync cmd struct at arg
- * 		instruction list
- * 		data (for writes)
+ *	reads:
+ *		sync cmd struct at arg
+ *		instruction list
+ *		data (for writes)
  *
- * 	writes:
- * 		data (for reads)
+ *	writes:
+ *		data (for reads)
  */
 /* arbitrary limits */
 #define MAX_SAMPLES 256
@@ -894,18 +894,18 @@ out:
 }
 
 /*
- * 	COMEDI_INSN
- * 	synchronous instructions
+ *	COMEDI_INSN
+ *	synchronous instructions
  *
- * 	arg:
- * 		pointer to insn
+ *	arg:
+ *		pointer to insn
  *
- * 	reads:
- * 		struct comedi_insn struct at arg
- * 		data (for writes)
+ *	reads:
+ *		struct comedi_insn struct at arg
+ *		data (for writes)
  *
- * 	writes:
- * 		data (for reads)
+ *	writes:
+ *		data (for reads)
  */
 static int do_insn_ioctl(struct comedi_device *dev, void *arg, void *file)
 {
@@ -2105,6 +2105,7 @@ int comedi_alloc_board_minor(struct device *hardware_device)
 		kfree(info->device);
 		kfree(info);
 		printk(KERN_ERR
+
 		       "comedi: error: ran out of minor numbers for board device files.\n");
 		return -EBUSY;
 	}

From 767700c454301058188fe6561c3d0213f6991e81 Mon Sep 17 00:00:00 2001
From: Jason Wong <tsanghan@gmail.com>
Date: Wed, 10 Mar 2010 16:58:55 +0800
Subject: [PATCH 0853/3638] Staging: comedi: amplc_pci224: fixed multiple brace
 coding style issue

Fixed multiple coding style issue.

Signed-off-by: Jason Wong <tsanghan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/amplc_pci224.c | 114 +++++++++---------
 1 file changed, 57 insertions(+), 57 deletions(-)

diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index c54cca8b256..8af156dca17 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -496,9 +496,9 @@ pci224_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	/* Writing a list of values to an AO channel is probably not
 	 * very useful, but that's how the interface is defined. */
-	for (i = 0; i < insn->n; i++) {
+	for (i = 0; i < insn->n; i++)
 		pci224_ao_set_data(dev, chan, range, data[i]);
-	}
+
 	return i;
 }
 
@@ -519,9 +519,9 @@ pci224_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	chan = CR_CHAN(insn->chanspec);
 
-	for (i = 0; i < insn->n; i++) {
+	for (i = 0; i < insn->n; i++)
 		data[i] = devpriv->ao_readback[chan];
-	}
+
 
 	return i;
 }
@@ -544,9 +544,9 @@ static void pci224_ao_stop(struct comedi_device *dev,
 {
 	unsigned long flags;
 
-	if (!test_and_clear_bit(AO_CMD_STARTED, &devpriv->state)) {
+	if (!test_and_clear_bit(AO_CMD_STARTED, &devpriv->state))
 		return;
-	}
+
 
 	spin_lock_irqsave(&devpriv->ao_spinlock, flags);
 	/* Kill the interrupts. */
@@ -597,11 +597,11 @@ static void pci224_ao_start(struct comedi_device *dev,
 	} else {
 		/* Enable interrupts. */
 		spin_lock_irqsave(&devpriv->ao_spinlock, flags);
-		if (cmd->stop_src == TRIG_EXT) {
+		if (cmd->stop_src == TRIG_EXT)
 			devpriv->intsce = PCI224_INTR_EXT | PCI224_INTR_DAC;
-		} else {
+		else
 			devpriv->intsce = PCI224_INTR_DAC;
-		}
+
 		outb(devpriv->intsce, devpriv->iobase1 + PCI224_INT_SCE);
 		spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
 	}
@@ -630,9 +630,9 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
 	num_scans = comedi_buf_read_n_available(s->async) / bytes_per_scan;
 	if (!devpriv->ao_stop_continuous) {
 		/* Fixed number of scans. */
-		if (num_scans > devpriv->ao_stop_count) {
+		if (num_scans > devpriv->ao_stop_count)
 			num_scans = devpriv->ao_stop_count;
-		}
+
 	}
 
 	/* Determine how much room is in the FIFO (in samples). */
@@ -669,13 +669,13 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
 		}
 	}
 	/* Determine how many new scans can be put in the FIFO. */
-	if (cmd->chanlist_len) {
+	if (cmd->chanlist_len)
 		room /= cmd->chanlist_len;
-	}
+
 	/* Determine how many scans to process. */
-	if (num_scans > room) {
+	if (num_scans > room)
 		num_scans = room;
-	}
+
 	/* Process scans. */
 	for (n = 0; n < num_scans; n++) {
 		cfc_read_array_from_buffer(s, &devpriv->ao_scan_vals[0],
@@ -718,19 +718,19 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
 			trig = PCI224_DACCON_TRIG_Z2CT0;
 		} else {
 			/* cmd->scan_begin_src == TRIG_EXT */
-			if (cmd->scan_begin_arg & CR_INVERT) {
+			if (cmd->scan_begin_arg & CR_INVERT)
 				trig = PCI224_DACCON_TRIG_EXTN;
-			} else {
+			else
 				trig = PCI224_DACCON_TRIG_EXTP;
-			}
+
 		}
 		devpriv->daccon = COMBINE(devpriv->daccon, trig,
 					  PCI224_DACCON_TRIG_MASK);
 		outw(devpriv->daccon, dev->iobase + PCI224_DACCON);
 	}
-	if (s->async->events) {
+	if (s->async->events)
 		comedi_event(dev, s);
-	}
+
 }
 
 /*
@@ -855,9 +855,9 @@ pci224_ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
 			err++;
 		}
 		tmp = cmd->chanlist_len * CONVERT_PERIOD;
-		if (tmp < MIN_SCAN_PERIOD) {
+		if (tmp < MIN_SCAN_PERIOD)
 			tmp = MIN_SCAN_PERIOD;
-		}
+
 		if (cmd->scan_begin_arg < tmp) {
 			cmd->scan_begin_arg = tmp;
 			err++;
@@ -966,9 +966,9 @@ pci224_ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
 			devpriv->cached_div1 = div1;
 			devpriv->cached_div2 = div2;
 		}
-		if (tmp != cmd->scan_begin_arg) {
+		if (tmp != cmd->scan_begin_arg)
 			err++;
-		}
+
 	}
 
 	if (err)
@@ -994,13 +994,13 @@ pci224_ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
 		tmp = 0;
 		for (n = 0; n < cmd->chanlist_len; n++) {
 			ch = CR_CHAN(cmd->chanlist[n]);
-			if (tmp & (1U << ch)) {
+			if (tmp & (1U << ch))
 				errors |= dupchan_err;
-			}
+
 			tmp |= (1U << ch);
-			if (CR_RANGE(cmd->chanlist[n]) != range) {
+			if (CR_RANGE(cmd->chanlist[n]) != range)
 				errors |= range_err;
-			}
+
 		}
 		if (errors) {
 			if (errors & dupchan_err) {
@@ -1038,9 +1038,9 @@ static int pci224_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	unsigned long flags;
 
 	/* Cannot handle null/empty chanlist. */
-	if (cmd->chanlist == NULL || cmd->chanlist_len == 0) {
+	if (cmd->chanlist == NULL || cmd->chanlist_len == 0)
 		return -EINVAL;
-	}
+
 
 	/* Determine which channels are enabled and their load order.  */
 	devpriv->ao_enab = 0;
@@ -1050,9 +1050,9 @@ static int pci224_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		devpriv->ao_enab |= 1U << ch;
 		rank = 0;
 		for (j = 0; j < cmd->chanlist_len; j++) {
-			if (CR_CHAN(cmd->chanlist[j]) < ch) {
+			if (CR_CHAN(cmd->chanlist[j]) < ch)
 				rank++;
-			}
+
 		}
 		devpriv->ao_scan_order[rank] = i;
 	}
@@ -1221,9 +1221,9 @@ pci224_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s,
 		offset = 32768;
 	}
 	/* Munge the data. */
-	for (i = 0; i < length; i++) {
+	for (i = 0; i < length; i++)
 		array[i] = (array[i] << shift) - offset;
-	}
+
 }
 
 /*
@@ -1254,15 +1254,15 @@ static irqreturn_t pci224_interrupt(int irq, void *d)
 			cmd = &s->async->cmd;
 			if (valid_intstat & PCI224_INTR_EXT) {
 				devpriv->intsce &= ~PCI224_INTR_EXT;
-				if (cmd->start_src == TRIG_EXT) {
+				if (cmd->start_src == TRIG_EXT)
 					pci224_ao_start(dev, s);
-				} else if (cmd->stop_src == TRIG_EXT) {
+				else if (cmd->stop_src == TRIG_EXT)
 					pci224_ao_stop(dev, s);
-				}
+
 			}
-			if (valid_intstat & PCI224_INTR_DAC) {
+			if (valid_intstat & PCI224_INTR_DAC)
 				pci224_ao_handle_fifo(dev, s);
-			}
+
 		}
 		/* Reenable interrupt sources. */
 		spin_lock_irqsave(&devpriv->ao_spinlock, flags);
@@ -1381,23 +1381,23 @@ static int pci224_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	/* Allocate readback buffer for AO channels. */
 	devpriv->ao_readback = kmalloc(sizeof(devpriv->ao_readback[0]) *
 				       thisboard->ao_chans, GFP_KERNEL);
-	if (!devpriv->ao_readback) {
+	if (!devpriv->ao_readback)
 		return -ENOMEM;
-	}
+
 
 	/* Allocate buffer to hold values for AO channel scan. */
 	devpriv->ao_scan_vals = kmalloc(sizeof(devpriv->ao_scan_vals[0]) *
 					thisboard->ao_chans, GFP_KERNEL);
-	if (!devpriv->ao_scan_vals) {
+	if (!devpriv->ao_scan_vals)
 		return -ENOMEM;
-	}
+
 
 	/* Allocate buffer to hold AO channel scan order. */
 	devpriv->ao_scan_order = kmalloc(sizeof(devpriv->ao_scan_order[0]) *
 					 thisboard->ao_chans, GFP_KERNEL);
-	if (!devpriv->ao_scan_order) {
+	if (!devpriv->ao_scan_order)
 		return -ENOMEM;
-	}
+
 
 	/* Disable interrupt sources. */
 	devpriv->intsce = 0;
@@ -1445,9 +1445,9 @@ static int pci224_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		s->range_table_list = range_table_list =
 		    kmalloc(sizeof(struct comedi_lrange *) * s->n_chan,
 			    GFP_KERNEL);
-		if (!s->range_table_list) {
+		if (!s->range_table_list)
 			return -ENOMEM;
-		}
+
 		for (n = 2; n < 3 + s->n_chan; n++) {
 			if (it->options[n] < 0 || it->options[n] > 1) {
 				printk(KERN_WARNING "comedi%d: %s: warning! "
@@ -1459,11 +1459,11 @@ static int pci224_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		for (n = 0; n < s->n_chan; n++) {
 			if (n < COMEDI_NDEVCONFOPTS - 3 &&
 			    it->options[3 + n] == 1) {
-				if (it->options[2] == 1) {
+				if (it->options[2] == 1)
 					range_table_list[n] = &range_pci234_ext;
-				} else {
+				else
 					range_table_list[n] = &range_bipolar5;
-				}
+
 			} else {
 				if (it->options[2] == 1) {
 					range_table_list[n] =
@@ -1506,11 +1506,11 @@ static int pci224_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	printk(KERN_INFO "comedi%d: %s ", dev->minor, dev->board_name);
 	printk("(pci %s) ", pci_name(pci_dev));
-	if (irq) {
+	if (irq)
 		printk("(irq %u%s) ", irq, (dev->irq ? "" : " UNAVAILABLE"));
-	} else {
+	else
 		printk("(no irq) ");
-	}
+
 
 	printk("attached\n");
 
@@ -1529,9 +1529,9 @@ static int pci224_detach(struct comedi_device *dev)
 {
 	printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor, DRIVER_NAME);
 
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
+
 	if (dev->subdevices) {
 		struct comedi_subdevice *s;
 
@@ -1544,9 +1544,9 @@ static int pci224_detach(struct comedi_device *dev)
 		kfree(devpriv->ao_scan_vals);
 		kfree(devpriv->ao_scan_order);
 		if (devpriv->pci_dev) {
-			if (dev->iobase) {
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
+
 			pci_dev_put(devpriv->pci_dev);
 		}
 	}

From 67a7b3788cd2b9f63a6cfe68e9e937c25709f053 Mon Sep 17 00:00:00 2001
From: Patrick Rooney <candyguitar@googlemail.com>
Date: Wed, 10 Mar 2010 08:46:30 +0000
Subject: [PATCH 0854/3638] Staging: wlan-ng: Fixed 80-character line coding
 style issues in p80211req.c

This is a patch for p80211req.c. An 'if' statement that spanned 80
characters has been split onto 2 lines and one of the tabs preceding
a comment has been removed.

Signed-off-by: Patrick Rooney <candyguitar@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/p80211req.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/wlan-ng/p80211req.c b/drivers/staging/wlan-ng/p80211req.c
index e1e7bf1bf27..207f080cfc9 100644
--- a/drivers/staging/wlan-ng/p80211req.c
+++ b/drivers/staging/wlan-ng/p80211req.c
@@ -107,7 +107,8 @@ int p80211req_dorequest(wlandevice_t *wlandev, u8 *msgbuf)
 	}
 
 	/* Check Permissions */
-	if (!capable(CAP_NET_ADMIN) && (msg->msgcode != DIDmsg_dot11req_mibget)) {
+	if (!capable(CAP_NET_ADMIN) &&
+	(msg->msgcode != DIDmsg_dot11req_mibget)) {
 		printk(KERN_ERR
 		       "%s: only dot11req_mibget allowed for non-root.\n",
 		       wlandev->name);
@@ -128,7 +129,7 @@ int p80211req_dorequest(wlandevice_t *wlandev, u8 *msgbuf)
 		wlandev->mlmerequest(wlandev, msg);
 
 	clear_bit(1, &(wlandev->request_pending));
-	return result;		/* if result==0, msg->status still may contain an err */
+	return result;	/* if result==0, msg->status still may contain an err */
 }
 
 /*----------------------------------------------------------------

From f3fd4cd59132ff81be9507762d00afa9445827b6 Mon Sep 17 00:00:00 2001
From: Michael Sprecher <sprecher.m@gmail.com>
Date: Wed, 10 Mar 2010 13:15:35 +0100
Subject: [PATCH 0855/3638] Staging: et131x: fix most coding style issues in
 et131x

This is a patch to the et131x driver that fixes up almost all coding
style issues

Signed-off-by: Michael Sprecher <sprecher.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/et131x/et1310_address_map.h |  7 ++-
 drivers/staging/et131x/et1310_eeprom.c      |  8 ++--
 drivers/staging/et131x/et1310_phy.c         |  2 +-
 drivers/staging/et131x/et1310_rx.c          | 53 ++++++++++-----------
 drivers/staging/et131x/et1310_rx.h          |  5 +-
 drivers/staging/et131x/et131x_initpci.c     | 12 +++--
 drivers/staging/et131x/et131x_netdev.c      | 14 ++----
 7 files changed, 50 insertions(+), 51 deletions(-)

diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
index ea746ba41fa..e6c8cb3828e 100644
--- a/drivers/staging/et131x/et1310_address_map.h
+++ b/drivers/staging/et131x/et1310_address_map.h
@@ -117,7 +117,7 @@
 
 /*
  * Software reset reg at address 0x0028
- * 0: 	txdma_sw_reset
+ * 0:	txdma_sw_reset
  * 1:	rxdma_sw_reset
  * 2:	txmac_sw_reset
  * 3:	rxmac_sw_reset
@@ -1052,7 +1052,7 @@ typedef struct _RXMAC_t {				/* Location: */
  * 4-0: register
  */
 
-#define MII_ADDR(phy,reg)	((phy) << 8 | (reg))
+#define MII_ADDR(phy, reg)	((phy) << 8 | (reg))
 
 /*
  * structure for MII Management Control reg in mac address map.
@@ -1249,8 +1249,7 @@ typedef struct _MAC_t {					/* Location: */
 /*
  * MAC STATS Module of JAGCore Address Mapping
  */
-struct macstat_regs
-{					/* Location: */
+struct macstat_regs {			/* Location: */
 	u32 pad[32];			/*  0x6000 - 607C */
 
 	/* Tx/Rx 0-64 Byte Frame Counter */
diff --git a/drivers/staging/et131x/et1310_eeprom.c b/drivers/staging/et131x/et1310_eeprom.c
index e4d095b0b52..5a8e6b913da 100644
--- a/drivers/staging/et131x/et1310_eeprom.c
+++ b/drivers/staging/et131x/et1310_eeprom.c
@@ -302,7 +302,7 @@ static int eeprom_read(struct et131x_adapter *etdev, u32 addr, u8 *pdata)
 	err = eeprom_wait_ready(pdev, NULL);
 	if (err)
 		return err;
- 	/*
+	/*
 	 * Write to the LBCIF Control Register:  bit 7=1, bit 6=0, bit 3=0,
 	 * and bits 1:0 both =0.  Bit 5 should be set according to the type
 	 * of EEPROM being accessed (1=two byte addressing, 0=one byte
@@ -383,9 +383,9 @@ int et131x_init_eeprom(struct et131x_adapter *etdev)
 
 			/* This error could mean that there was an error
 			 * reading the eeprom or that the eeprom doesn't exist.
-			 * We will treat each case the same and not try to gather
-			 * additional information that normally would come from the
-			 * eeprom, like MAC Address
+			 * We will treat each case the same and not try to
+			 * gather additional information that normally would
+			 * come from the eeprom, like MAC Address
 			 */
 			etdev->has_eeprom = 0;
 			return -EIO;
diff --git a/drivers/staging/et131x/et1310_phy.c b/drivers/staging/et131x/et1310_phy.c
index 34cd5d1b586..a6d9f29ff49 100644
--- a/drivers/staging/et131x/et1310_phy.c
+++ b/drivers/staging/et131x/et1310_phy.c
@@ -344,7 +344,7 @@ static void ET1310_PhyDuplexMode(struct et131x_adapter *etdev, u16 duplex)
 static void ET1310_PhySpeedSelect(struct et131x_adapter *etdev, u16 speed)
 {
 	u16 data;
-	static const u16 bits[3]={0x0000, 0x2000, 0x0040};
+	static const u16 bits[3] = {0x0000, 0x2000, 0x0040};
 
 	/* Read the PHY control register */
 	MiRead(etdev, PHY_CONTROL, &data);
diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c
index 54686e2ace6..8f5dcebda76 100644
--- a/drivers/staging/et131x/et1310_rx.c
+++ b/drivers/staging/et131x/et1310_rx.c
@@ -344,7 +344,7 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 			  "Cannot alloc memory for Packet Status Ring\n");
 		return -ENOMEM;
 	}
-	printk("PSR %lx\n", (unsigned long) rx_ring->pPSRingPa);
+	printk(KERN_INFO "PSR %lx\n", (unsigned long) rx_ring->pPSRingPa);
 
 	/*
 	 * NOTE : pci_alloc_consistent(), used above to alloc DMA regions,
@@ -363,7 +363,7 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 		return -ENOMEM;
 	}
 	rx_ring->NumRfd = NIC_DEFAULT_NUM_RFD;
-	printk("PRS %lx\n", (unsigned long)rx_ring->rx_status_bus);
+	printk(KERN_INFO "PRS %lx\n", (unsigned long)rx_ring->rx_status_bus);
 
 	/* Recv
 	 * pci_pool_create initializes a lookaside list. After successful
@@ -445,10 +445,10 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 				rx_ring->pFbr1RingVa - rx_ring->Fbr1offset);
 
 		bufsize = (sizeof(struct fbr_desc) * rx_ring->Fbr1NumEntries)
-	                                                        + 0xfff;
+							    + 0xfff;
 
 		pci_free_consistent(adapter->pdev, bufsize,
-                                rx_ring->pFbr1RingVa, rx_ring->pFbr1RingPa);
+				rx_ring->pFbr1RingVa, rx_ring->pFbr1RingPa);
 
 		rx_ring->pFbr1RingVa = NULL;
 	}
@@ -478,7 +478,7 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 				rx_ring->pFbr0RingVa - rx_ring->Fbr0offset);
 
 		bufsize = (sizeof(struct fbr_desc) * rx_ring->Fbr0NumEntries)
-                                                                + 0xfff;
+							    + 0xfff;
 
 		pci_free_consistent(adapter->pdev,
 				    bufsize,
@@ -504,7 +504,7 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 		pci_free_consistent(adapter->pdev,
 			sizeof(struct rx_status_block),
 			rx_ring->rx_status_block, rx_ring->rx_status_bus);
-        	rx_ring->rx_status_block = NULL;
+		rx_ring->rx_status_block = NULL;
 	}
 
 	/* Free receive buffer pool */
@@ -713,7 +713,7 @@ void SetRxDmaTimer(struct et131x_adapter *etdev)
  */
 void et131x_rx_dma_disable(struct et131x_adapter *etdev)
 {
-        u32 csr;
+	u32 csr;
 	/* Setup the receive dma configuration register */
 	writel(0x00002001, &etdev->regs->rxdma.csr);
 	csr = readl(&etdev->regs->rxdma.csr);
@@ -743,9 +743,9 @@ void et131x_rx_dma_enable(struct et131x_adapter *etdev)
 	else if (etdev->rx_ring.Fbr1BufferSize == 16384)
 		csr |= 0x1800;
 #ifdef USE_FBR0
-        csr |= 0x0400;		/* FBR0 enable */
+	csr |= 0x0400;		/* FBR0 enable */
 	if (etdev->rx_ring.Fbr0BufferSize == 256)
-	        csr |= 0x0100;
+		csr |= 0x0100;
 	else if (etdev->rx_ring.Fbr0BufferSize == 512)
 		csr |= 0x0200;
 	else if (etdev->rx_ring.Fbr0BufferSize == 1024)
@@ -757,7 +757,7 @@ void et131x_rx_dma_enable(struct et131x_adapter *etdev)
 	if ((csr & 0x00020000) != 0) {
 		udelay(5);
 		csr = readl(&etdev->regs->rxdma.csr);
-        	if ((csr & 0x00020000) != 0) {
+		if ((csr & 0x00020000) != 0) {
 			dev_err(&etdev->pdev->dev,
 			    "RX Dma failed to exit halt state.  CSR 0x%08x\n",
 				csr);
@@ -841,8 +841,7 @@ PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
 		(rindex == 1 &&
 		bindex > rx_local->Fbr1NumEntries - 1))
 #else
-	if (rindex != 1 ||
-		bindex > rx_local->Fbr1NumEntries - 1)
+	if (rindex != 1 || bindex > rx_local->Fbr1NumEntries - 1)
 #endif
 	{
 		/* Illegal buffer or ring index cannot be used by S/W*/
@@ -1063,20 +1062,20 @@ void et131x_handle_recv_interrupt(struct et131x_adapter *etdev)
 
 static inline u32 bump_fbr(u32 *fbr, u32 limit)
 {
-        u32 v = *fbr;
-        v++;
-        /* This works for all cases where limit < 1024. The 1023 case
-           works because 1023++ is 1024 which means the if condition is not
-           taken but the carry of the bit into the wrap bit toggles the wrap
-           value correctly */
-        if ((v & ET_DMA10_MASK) > limit) {
-                v &= ~ET_DMA10_MASK;
-                v ^= ET_DMA10_WRAP;
-        }
-        /* For the 1023 case */
-        v &= (ET_DMA10_MASK|ET_DMA10_WRAP);
-        *fbr = v;
-        return v;
+	u32 v = *fbr;
+	v++;
+	/* This works for all cases where limit < 1024. The 1023 case
+	   works because 1023++ is 1024 which means the if condition is not
+	   taken but the carry of the bit into the wrap bit toggles the wrap
+	   value correctly */
+	if ((v & ET_DMA10_MASK) > limit) {
+		v &= ~ET_DMA10_MASK;
+		v ^= ET_DMA10_WRAP;
+	}
+	/* For the 1023 case */
+	v &= (ET_DMA10_MASK|ET_DMA10_WRAP);
+	*fbr = v;
+	return v;
 }
 
 /**
@@ -1105,7 +1104,7 @@ void nic_return_rfd(struct et131x_adapter *etdev, PMP_RFD rfd)
 		if (ri == 1) {
 			struct fbr_desc *next =
 			    (struct fbr_desc *) (rx_local->pFbr1RingVa) +
-                		            INDEX10(rx_local->local_Fbr1_full);
+					 INDEX10(rx_local->local_Fbr1_full);
 
 			/* Handle the Free Buffer Ring advancement here. Write
 			 * the PA / Buffer Index for the returned buffer into
diff --git a/drivers/staging/et131x/et1310_rx.h b/drivers/staging/et131x/et1310_rx.h
index ca84a9146d6..e8c653d37a7 100644
--- a/drivers/staging/et131x/et1310_rx.h
+++ b/drivers/staging/et131x/et1310_rx.h
@@ -91,8 +91,7 @@
 #define ALCATEL_BROADCAST_PKT	0x02000000
 
 /* typedefs for Free Buffer Descriptors */
-struct fbr_desc
-{
+struct fbr_desc {
 	u32 addr_lo;
 	u32 addr_hi;
 	u32 word2;		/* Bits 10-31 reserved, 0-9 descriptor */
@@ -117,7 +116,7 @@ struct fbr_desc
  * 9: jp			Jumbo Packet
  * 10: vp			VLAN Packet
  * 11-15: unused
- * 16: asw_prev_pkt_dropped 	e.g. IFG too small on previous
+ * 16: asw_prev_pkt_dropped	e.g. IFG too small on previous
  * 17: asw_RX_DV_event		short receive event detected
  * 18: asw_false_carrier_event	bad carrier since last good packet
  * 19: asw_code_err		one or more nibbles signalled as errors
diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c
index 1dd5fa5b888..47baab3e6ea 100644
--- a/drivers/staging/et131x/et131x_initpci.c
+++ b/drivers/staging/et131x/et131x_initpci.c
@@ -113,7 +113,13 @@
 static u32 et131x_speed_set;
 module_param(et131x_speed_set, uint, 0);
 MODULE_PARM_DESC(et131x_speed_set,
-		"Set Link speed and dublex manually (0-5)  [0] \n  1 : 10Mb   Half-Duplex \n  2 : 10Mb   Full-Duplex \n  3 : 100Mb  Half-Duplex \n  4 : 100Mb  Full-Duplex \n  5 : 1000Mb Full-Duplex \n 0 : Auto Speed Auto Dublex");
+		"Set Link speed and dublex manually (0-5)  [0]\n \
+		 1 : 10Mb   Half-Duplex\n \
+		 2 : 10Mb   Full-Duplex\n \
+		 3 : 100Mb  Half-Duplex\n \
+		 4 : 100Mb  Full-Duplex\n \
+		 5 : 1000Mb Full-Duplex\n \
+		 0 : Auto Speed Auto Dublex");
 
 /**
  * et131x_hwaddr_init - set up the MAC Address on the ET1310
@@ -558,7 +564,7 @@ static struct et131x_adapter *et131x_adapter_init(struct net_device *netdev,
 	/* Parse configuration parameters into the private adapter struct */
 	if (et131x_speed_set)
 		dev_info(&etdev->pdev->dev,
-			"Speed set manually to : %d \n", et131x_speed_set);
+			"Speed set manually to : %d\n", et131x_speed_set);
 
 	etdev->SpeedDuplex = et131x_speed_set;
 	etdev->RegistryJumboPacket = 1514;	/* 1514-9216 */
@@ -820,7 +826,7 @@ static int __init et131x_init_module(void)
 	if (et131x_speed_set < PARM_SPEED_DUPLEX_MIN ||
 	    et131x_speed_set > PARM_SPEED_DUPLEX_MAX) {
 		printk(KERN_WARNING "et131x: invalid speed setting ignored.\n");
-	    	et131x_speed_set = 0;
+		et131x_speed_set = 0;
 	}
 	return pci_register_driver(&et131x_driver);
 }
diff --git a/drivers/staging/et131x/et131x_netdev.c b/drivers/staging/et131x/et131x_netdev.c
index ab047f2ff72..535a9d014e7 100644
--- a/drivers/staging/et131x/et131x_netdev.c
+++ b/drivers/staging/et131x/et131x_netdev.c
@@ -426,26 +426,22 @@ void et131x_multicast(struct net_device *netdev)
 	 * accordingly
 	 */
 
-	if (netdev->flags & IFF_PROMISC) {
+	if (netdev->flags & IFF_PROMISC)
 		adapter->PacketFilter |= ET131X_PACKET_TYPE_PROMISCUOUS;
-	} else {
+	else
 		adapter->PacketFilter &= ~ET131X_PACKET_TYPE_PROMISCUOUS;
-	}
 
-	if (netdev->flags & IFF_ALLMULTI) {
+	if (netdev->flags & IFF_ALLMULTI)
 		adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST;
-	}
 
-	if (netdev_mc_count(netdev) > NIC_MAX_MCAST_LIST) {
+	if (netdev_mc_count(netdev) > NIC_MAX_MCAST_LIST)
 		adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST;
-	}
 
 	if (netdev_mc_count(netdev) < 1) {
 		adapter->PacketFilter &= ~ET131X_PACKET_TYPE_ALL_MULTICAST;
 		adapter->PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST;
-	} else {
+	} else
 		adapter->PacketFilter |= ET131X_PACKET_TYPE_MULTICAST;
-	}
 
 	/* Set values in the private adapter struct */
 	i = 0;

From 6e26b0154c63b5c0e7aae5155652d1b4daed703a Mon Sep 17 00:00:00 2001
From: Tomas Dabasinskas <tomas.it@gmail.com>
Date: Wed, 10 Mar 2010 19:51:01 +1000
Subject: [PATCH 0856/3638] Staging: crystalhd: fixed white spaces and brace
 coding in crystalhd_hw.c

This is a patch to the crystalhd_hw.c file that fixes up a white space
and brace warnings found by the checkpatch.pl tool

Signed-off-by: Tomas Dabasinskas <tomas.it@gmail.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/crystalhd_hw.c | 29 ++++++++++--------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/crystalhd/crystalhd_hw.c b/drivers/staging/crystalhd/crystalhd_hw.c
index c438c489aa9..56d1e42bbad 100644
--- a/drivers/staging/crystalhd/crystalhd_hw.c
+++ b/drivers/staging/crystalhd/crystalhd_hw.c
@@ -432,7 +432,7 @@ static void crystalhd_hw_delete_ioqs(struct crystalhd_hw *hw)
 	if (!hw)
 		return;
 
-	BCMLOG(BCMLOG_DBG, "Deleting IOQs \n");
+	BCMLOG(BCMLOG_DBG, "Deleting IOQs\n");
 	crystalhd_hw_delete_ioq(hw->adp, hw->tx_actq);
 	crystalhd_hw_delete_ioq(hw->adp, hw->tx_freeq);
 	crystalhd_hw_delete_ioq(hw->adp, hw->rx_actq);
@@ -570,7 +570,7 @@ static bool crystalhd_tx_list0_handler(struct crystalhd_hw *hw, uint32_t err_sts
 	if (!(err_sts & err_mask))
 		return false;
 
-	BCMLOG_ERR("Error on Tx-L0 %x \n", err_sts);
+	BCMLOG_ERR("Error on Tx-L0 %x\n", err_sts);
 
 	tmp = err_mask;
 
@@ -602,7 +602,7 @@ static bool crystalhd_tx_list1_handler(struct crystalhd_hw *hw, uint32_t err_sts
 	if (!(err_sts & err_mask))
 		return false;
 
-	BCMLOG_ERR("Error on Tx-L1 %x \n", err_sts);
+	BCMLOG_ERR("Error on Tx-L1 %x\n", err_sts);
 
 	tmp = err_mask;
 
@@ -635,9 +635,9 @@ static void crystalhd_tx_isr(struct crystalhd_hw *hw, uint32_t int_sts)
 					   BC_STS_SUCCESS);
 
 	if (!(int_sts & (INTR_INTR_STATUS_L0_TX_DMA_ERR_INTR_MASK |
-			 INTR_INTR_STATUS_L1_TX_DMA_ERR_INTR_MASK))) {
-			 /* No error mask set.. */
-			 return;
+			INTR_INTR_STATUS_L1_TX_DMA_ERR_INTR_MASK))) {
+			/* No error mask set.. */
+			return;
 	}
 
 	/* Handle Tx errors. */
@@ -1134,33 +1134,29 @@ static void crystalhd_stop_rx_dma_engine(struct crystalhd_hw *hw)
 		if (l0y) {
 			l0y = crystalhd_reg_rd(hw->adp, MISC1_Y_RX_FIRST_DESC_L_ADDR_LIST0);
 			l0y &= DMA_START_BIT;
-			if (!l0y) {
+			if (!l0y)
 				hw->rx_list_sts[0] &= ~rx_waiting_y_intr;
-			}
 		}
 
 		if (l1y) {
 			l1y = crystalhd_reg_rd(hw->adp, MISC1_Y_RX_FIRST_DESC_L_ADDR_LIST1);
 			l1y &= DMA_START_BIT;
-			if (!l1y) {
+			if (!l1y)
 				hw->rx_list_sts[1] &= ~rx_waiting_y_intr;
-			}
 		}
 
 		if (l0uv) {
 			l0uv = crystalhd_reg_rd(hw->adp, MISC1_UV_RX_FIRST_DESC_L_ADDR_LIST0);
 			l0uv &= DMA_START_BIT;
-			if (!l0uv) {
+			if (!l0uv)
 				hw->rx_list_sts[0] &= ~rx_waiting_uv_intr;
-			}
 		}
 
 		if (l1uv) {
 			l1uv = crystalhd_reg_rd(hw->adp, MISC1_UV_RX_FIRST_DESC_L_ADDR_LIST1);
 			l1uv &= DMA_START_BIT;
-			if (!l1uv) {
+			if (!l1uv)
 				hw->rx_list_sts[1] &= ~rx_waiting_uv_intr;
-			}
 		}
 		msleep_interruptible(100);
 		count--;
@@ -1432,9 +1428,8 @@ static bool crystalhd_rx_list1_handler(struct crystalhd_hw *hw, uint32_t int_sts
 
 	/* UV1 - DMA */
 	tmp = uv_err_sts & GET_UV1_ERR_MSK;
-	if (int_sts & INTR_INTR_STATUS_L1_UV_RX_DMA_DONE_INTR_MASK) {
+	if (int_sts & INTR_INTR_STATUS_L1_UV_RX_DMA_DONE_INTR_MASK)
 		hw->rx_list_sts[1] &= ~rx_waiting_uv_intr;
-	}
 
 	if (uv_err_sts & MISC1_UV_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK) {
 		hw->rx_list_sts[1] &= ~rx_waiting_uv_intr;
@@ -1740,7 +1735,7 @@ BC_STATUS crystalhd_do_fw_cmd(struct crystalhd_hw *hw, BC_FW_CMD *fw_cmd)
 	res_buff = fw_cmd->rsp;
 
 	if (!cmd_buff || !res_buff) {
-		BCMLOG_ERR("Invalid Parameters for F/W Command \n");
+		BCMLOG_ERR("Invalid Parameters for F/W Command\n");
 		return BC_STS_INV_ARG;
 	}
 

From ed57d08b9f500f6553d8fa755d90ec710757d74b Mon Sep 17 00:00:00 2001
From: Patrick Rooney <candyguitar@googlemail.com>
Date: Wed, 10 Mar 2010 09:37:45 +0000
Subject: [PATCH 0857/3638] Staging: sm7xx: Fixed space-before-tab coding style
 issues in smtcfb.c

Patch for smtcfb.c that removes spaces before tabs in the comments at
the beginning of the file.

Signed-off-by: Patrick Rooney <candyguitar@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sm7xx/smtcfb.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/sm7xx/smtcfb.c b/drivers/staging/sm7xx/smtcfb.c
index 8d7261c052e..e817a20d1bd 100644
--- a/drivers/staging/sm7xx/smtcfb.c
+++ b/drivers/staging/sm7xx/smtcfb.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2006 Silicon Motion Technology Corp.
  * Authors: Ge Wang, gewang@siliconmotion.com
- * 	    Boyod boyod.yang@siliconmotion.com.cn
+ *	    Boyod boyod.yang@siliconmotion.com.cn
  *
  * Copyright (C) 2009 Lemote, Inc.
  * Author: Wu Zhangjin, wuzhangjin@gmail.com
@@ -13,17 +13,17 @@
  *  more details.
  *
  * Version 0.10.26192.21.01
- * 	- Add PowerPC/Big endian support
- * 	- Add 2D support for Lynx
- * 	- Verified on2.6.19.2  Boyod.yang <boyod.yang@siliconmotion.com.cn>
+ *	- Add PowerPC/Big endian support
+ *	- Add 2D support for Lynx
+ *	- Verified on2.6.19.2  Boyod.yang <boyod.yang@siliconmotion.com.cn>
  *
  * Version 0.09.2621.00.01
- * 	- Only support Linux Kernel's version 2.6.21.
+ *	- Only support Linux Kernel's version 2.6.21.
  *	Boyod.yang  <boyod.yang@siliconmotion.com.cn>
  *
  * Version 0.09
- * 	- Only support Linux Kernel's version 2.6.12.
- * 	Boyod.yang <boyod.yang@siliconmotion.com.cn>
+ *	- Only support Linux Kernel's version 2.6.12.
+ *	Boyod.yang <boyod.yang@siliconmotion.com.cn>
  */
 
 #ifndef __KERNEL__

From 64ff4044a8d99ea0ae858d2a0f1128ef82047f9c Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Wed, 10 Mar 2010 12:54:30 +0300
Subject: [PATCH 0858/3638] Staging: rt2860: clean up & => &&

a4_exists is an integer used as a boolean type so the original code
works.  But all the other conditions use && and this makes it
consistent.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/common/cmm_aes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rt2860/common/cmm_aes.c b/drivers/staging/rt2860/common/cmm_aes.c
index 250357c5cd6..1d159ff82fd 100644
--- a/drivers/staging/rt2860/common/cmm_aes.c
+++ b/drivers/staging/rt2860/common/cmm_aes.c
@@ -281,7 +281,7 @@ void construct_mic_header2(unsigned char *mic_header2,
 	mic_header2[6] = mpdu[22] & 0x0f;	/* SC */
 	mic_header2[7] = 0x00;	/* mpdu[23]; */
 
-	if ((!qc_exists) & a4_exists) {
+	if ((!qc_exists) && a4_exists) {
 		for (i = 0; i < 6; i++)
 			mic_header2[8 + i] = mpdu[24 + i];	/* A4 */
 

From b1facee664ab3b6b27715aec60653659f12182bd Mon Sep 17 00:00:00 2001
From: Mike Sheldon <mike@mikeasoft.com>
Date: Wed, 10 Mar 2010 13:32:01 +0000
Subject: [PATCH 0859/3638] Staging: winbond: Replace C99 comments with C89.

This patches mds.c to replace all the C99 style comments (//) with C89
style (/* ... */), as reported by checkpatch.pl.

Signed-off-by: Mike Sheldon <mike@mikeasoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mds.c | 310 +++++++++++++++++-----------------
 1 file changed, 155 insertions(+), 155 deletions(-)

diff --git a/drivers/staging/winbond/mds.c b/drivers/staging/winbond/mds.c
index 37e0c185d11..65063c33618 100644
--- a/drivers/staging/winbond/mds.c
+++ b/drivers/staging/winbond/mds.c
@@ -43,53 +43,53 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor
 	pT01 = (PT01_DESCRIPTOR)(buffer+4);
 	pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
 
-	if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) // +8 for USB hdr
+	if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) /* +8 for USB hdr */
 		boGroupAddr = true;
 
-	//========================================
-	// Set RTS/CTS mechanism
-	//========================================
+	/******************************************
+	 * Set RTS/CTS mechanism
+	 ******************************************/
 	if (!boGroupAddr)
 	{
-		//NOTE : If the protection mode is enabled and the MSDU will be fragmented,
-		//		 the tx rates of MPDUs will all be DSSS rates. So it will not use
-		//		 CTS-to-self in this case. CTS-To-self will only be used when without
-		//		 fragmentation. -- 20050112
-		BodyLen = (u16)pT00->T00_frame_length;	//include 802.11 header
-		BodyLen += 4;	//CRC
+		/* NOTE : If the protection mode is enabled and the MSDU will be fragmented,
+		 *		 the tx rates of MPDUs will all be DSSS rates. So it will not use
+		 *		 CTS-to-self in this case. CTS-To-self will only be used when without
+		 *		 fragmentation. -- 20050112 */
+		BodyLen = (u16)pT00->T00_frame_length;	/* include 802.11 header */
+		BodyLen += 4;	/* CRC */
 
 		if( BodyLen >= CURRENT_RTS_THRESHOLD )
-			RTS_on = true; // Using RTS
+			RTS_on = true; /* Using RTS */
 		else
 		{
-			if( pT01->T01_modulation_type ) // Is using OFDM
+			if( pT01->T01_modulation_type ) /* Is using OFDM */
 			{
-				if( CURRENT_PROTECT_MECHANISM ) // Is using protect
-					CTS_on = true; // Using CTS
+				if( CURRENT_PROTECT_MECHANISM ) /* Is using protect */
+					CTS_on = true; /* Using CTS */
 			}
 		}
 	}
 
 	if( RTS_on || CTS_on )
 	{
-		if( pT01->T01_modulation_type) // Is using OFDM
+		if( pT01->T01_modulation_type) /* Is using OFDM */
 		{
-			//CTS duration
-			// 2 SIFS + DATA transmit time + 1 ACK
-			// ACK Rate : 24 Mega bps
-			// ACK frame length = 14 bytes
+			/* CTS duration 
+			 *  2 SIFS + DATA transmit time + 1 ACK
+			 *  ACK Rate : 24 Mega bps
+			 *  ACK frame length = 14 bytes */
 			Duration = 2*DEFAULT_SIFSTIME +
 					   2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
 					   ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym +
 					   ((112 + 22 + 95)/96)*Tsym;
 		}
-		else	//DSSS
+		else	/* DSSS */
 		{
-			//CTS duration
-			// 2 SIFS + DATA transmit time + 1 ACK
-			// Rate : ?? Mega bps
-			// ACK frame length = 14 bytes
-			if( pT01->T01_plcp_header_length ) //long preamble
+			/* CTS duration
+			 *  2 SIFS + DATA transmit time + 1 ACK
+			 *  Rate : ?? Mega bps
+			 *  ACK frame length = 14 bytes */
+			if( pT01->T01_plcp_header_length ) /* long preamble */
 				Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
 			else
 				Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
@@ -100,21 +100,21 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor
 
 		if( RTS_on )
 		{
-			if( pT01->T01_modulation_type ) // Is using OFDM
+			if( pT01->T01_modulation_type ) /* Is using OFDM */
 			{
-				//CTS + 1 SIFS + CTS duration
-				//CTS Rate : 24 Mega bps
-				//CTS frame length = 14 bytes
+				/* CTS + 1 SIFS + CTS duration
+				 * CTS Rate : 24 Mega bps
+				 * CTS frame length = 14 bytes */
 				Duration += (DEFAULT_SIFSTIME +
 								PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
 								((112 + 22 + 95)/96)*Tsym);
 			}
 			else
 			{
-				//CTS + 1 SIFS + CTS duration
-				//CTS Rate : ?? Mega bps
-				//CTS frame length = 14 bytes
-				if( pT01->T01_plcp_header_length ) //long preamble
+				/* CTS + 1 SIFS + CTS duration
+				 * CTS Rate : ?? Mega bps
+				 * CTS frame length = 14 bytes */
+				if( pT01->T01_plcp_header_length ) /* long preamble */
 					Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
 				else
 					Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
@@ -123,15 +123,15 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor
 			}
 		}
 
-		// Set the value into USB descriptor
+		/* Set the value into USB descriptor */
 		pT01->T01_add_rts = RTS_on ? 1 : 0;
 		pT01->T01_add_cts = CTS_on ? 1 : 0;
 		pT01->T01_rts_cts_duration = Duration;
 	}
 
-	//=====================================
-	// Fill the more fragment descriptor
-	//=====================================
+	/******************************************
+	 * Fill the more fragment descriptor
+	 ******************************************/
 	if( boGroupAddr )
 		Duration = 0;
 	else
@@ -139,14 +139,14 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor
 		for( i=pDes->FragmentCount-1; i>0; i-- )
 		{
 			NextBodyLen = (u16)pNextT00->T00_frame_length;
-			NextBodyLen += 4;	//CRC
+			NextBodyLen += 4;	/* CRC */
 
 			if( pT01->T01_modulation_type )
 			{
-				//OFDM
-				// data transmit time + 3 SIFS + 2 ACK
-				// Rate : ??Mega bps
-				// ACK frame length = 14 bytes, tx rate = 24M
+				/* OFDM
+				 *  data transmit time + 3 SIFS + 2 ACK
+				 *  Rate : ??Mega bps
+				 *  ACK frame length = 14 bytes, tx rate = 24M */
 				Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3;
 				Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym +
 							(((2*14)*8 + 22 + 95)/96)*Tsym +
@@ -154,12 +154,12 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor
 			}
 			else
 			{
-				//DSSS
-				// data transmit time + 2 ACK + 3 SIFS
-				// Rate : ??Mega bps
-				// ACK frame length = 14 bytes
-				//TODO :
-				if( pT01->T01_plcp_header_length ) //long preamble
+				/* DSSS
+				 *  data transmit time + 2 ACK + 3 SIFS
+				 *  Rate : ??Mega bps
+				 *  ACK frame length = 14 bytes
+				 * TODO : */
+				if( pT01->T01_plcp_header_length ) /* long preamble */
 					Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
 				else
 					Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
@@ -168,39 +168,39 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor
 							DEFAULT_SIFSTIME*3 );
 			}
 
-			((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
+			((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
 
-			//----20061009 add by anson's endian
+			/* ----20061009 add by anson's endian */
 			pNextT00->value = cpu_to_le32(pNextT00->value);
 			pT01->value = cpu_to_le32( pT01->value );
-			//----end 20061009 add by anson's endian
+			/* ----end 20061009 add by anson's endian */
 
 			buffer += OffsetSize;
 			pT01 = (PT01_DESCRIPTOR)(buffer+4);
-			if (i != 1)	//The last fragment will not have the next fragment
+			if (i != 1)	/* The last fragment will not have the next fragment */
 				pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
 		}
 
-		//=====================================
-		// Fill the last fragment descriptor
-		//=====================================
+		/*******************************************
+		 * Fill the last fragment descriptor
+		 *******************************************/
 		if( pT01->T01_modulation_type )
 		{
-			//OFDM
-			// 1 SIFS + 1 ACK
-			// Rate : 24 Mega bps
-			// ACK frame length = 14 bytes
+			/* OFDM
+			 *  1 SIFS + 1 ACK
+			 *  Rate : 24 Mega bps
+			 * ACK frame length = 14 bytes */
 			Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION;
-			//The Tx rate of ACK use 24M
+			/* The Tx rate of ACK use 24M */
 			Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME );
 		}
 		else
 		{
-			// DSSS
-			// 1 ACK + 1 SIFS
-			// Rate : ?? Mega bps
-			// ACK frame length = 14 bytes(112 bits)
-			if( pT01->T01_plcp_header_length ) //long preamble
+			/* DSSS
+			 * 1 ACK + 1 SIFS
+			 * Rate : ?? Mega bps
+			 * ACK frame length = 14 bytes(112 bits) */
+			if( pT01->T01_plcp_header_length ) /* long preamble */
 				Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
 			else
 				Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
@@ -209,14 +209,14 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor
 		}
 	}
 
-	((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
+	((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
 	pT00->value = cpu_to_le32(pT00->value);
 	pT01->value = cpu_to_le32(pT01->value);
-	//--end 20061009 add
+	/* --end 20061009 add */
 
 }
 
-// The function return the 4n size of usb pk
+/* The function return the 4n size of usb pk */
 static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
 {
 	PT00_DESCRIPTOR	pT00;
@@ -229,8 +229,8 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
 	u8	buf_index, FragmentCount = 0;
 
 
-	// Copy fragment body
-	buffer = TargetBuffer; // shift 8B usb + 24B 802.11
+	/* Copy fragment body */
+	buffer = TargetBuffer; /* shift 8B usb + 24B 802.11 */
 	SizeLeft = pDes->buffer_total_size;
 	buf_index = pDes->buffer_start_index;
 
@@ -240,35 +240,35 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
 		CopySize = SizeLeft;
 		if (SizeLeft > pDes->FragmentThreshold) {
 			CopySize = pDes->FragmentThreshold;
-			pT00->T00_frame_length = 24 + CopySize;//Set USB length
+			pT00->T00_frame_length = 24 + CopySize; /* Set USB length */
 		} else
-			pT00->T00_frame_length = 24 + SizeLeft;//Set USB length
+			pT00->T00_frame_length = 24 + SizeLeft; /* Set USB length */
 
 		SizeLeft -= CopySize;
 
-		// 1 Byte operation
+		/* 1 Byte operation */
 		pctmp = (u8 *)( buffer + 8 + DOT_11_SEQUENCE_OFFSET );
 		*pctmp &= 0xf0;
-		*pctmp |= FragmentCount;//931130.5.m
+		*pctmp |= FragmentCount; /* 931130.5.m */
 		if( !FragmentCount )
 			pT00->T00_first_mpdu = 1;
 
-		buffer += 32; // 8B usb + 24B 802.11 header
+		buffer += 32; /* 8B usb + 24B 802.11 header */
 		Size += 32;
 
-		// Copy into buffer
+		/* Copy into buffer */
 		stmp = CopySize + 3;
-		stmp &= ~0x03;//4n Alignment
-		Size += stmp;// Current 4n offset of mpdu
+		stmp &= ~0x03; /* 4n Alignment */
+		Size += stmp; /* Current 4n offset of mpdu */
 
 		while (CopySize) {
-			// Copy body
+			/* Copy body */
 			src_buffer = pDes->buffer_address[buf_index];
 			CopyLeft = CopySize;
 			if (CopySize >= pDes->buffer_size[buf_index]) {
 				CopyLeft = pDes->buffer_size[buf_index];
 
-				// Get the next buffer of descriptor
+				/* Get the next buffer of descriptor */
 				buf_index++;
 				buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
 			} else {
@@ -283,14 +283,14 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
 			CopySize -= CopyLeft;
 		}
 
-		// 931130.5.n
+		/* 931130.5.n */
 		if (pMds->MicAdd) {
 			if (!SizeLeft) {
 				pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - pMds->MicAdd;
 				pMds->MicWriteSize[ pMds->MicWriteIndex ] = pMds->MicAdd;
 				pMds->MicAdd = 0;
 			}
-			else if( SizeLeft < 8 ) //931130.5.p
+			else if( SizeLeft < 8 ) /* 931130.5.p */
 			{
 				pMds->MicAdd = SizeLeft;
 				pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - ( 8 - SizeLeft );
@@ -299,10 +299,10 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
 			}
 		}
 
-		// Does it need to generate the new header for next mpdu?
+		/* Does it need to generate the new header for next mpdu? */
 		if (SizeLeft) {
-			buffer = TargetBuffer + Size; // Get the next 4n start address
-			memcpy( buffer, TargetBuffer, 32 );//Copy 8B USB +24B 802.11
+			buffer = TargetBuffer + Size; /* Get the next 4n start address */
+			memcpy( buffer, TargetBuffer, 32 ); /* Copy 8B USB +24B 802.11 */
 			pT00 = (PT00_DESCRIPTOR)buffer;
 			pT00->T00_first_mpdu = 0;
 		}
@@ -312,16 +312,16 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
 
 	pT00->T00_last_mpdu = 1;
 	pT00->T00_IsLastMpdu = 1;
-	buffer = (u8 *)pT00 + 8; // +8 for USB hdr
-	buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control
-	pDes->FragmentCount = FragmentCount; // Update the correct fragment number
+	buffer = (u8 *)pT00 + 8; /* +8 for USB hdr */
+	buffer[1] &= ~0x04; /* Clear more frag bit of 802.11 frame control */
+	pDes->FragmentCount = FragmentCount; /* Update the correct fragment number */
 	return Size;
 }
 
 static void Mds_HeaderCopy(struct wbsoft_priv * adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
 {
 	struct wb35_mds *pMds = &adapter->Mds;
-	u8	*src_buffer = pDes->buffer_address[0];//931130.5.g
+	u8	*src_buffer = pDes->buffer_address[0]; /* 931130.5.g */
 	PT00_DESCRIPTOR	pT00;
 	PT01_DESCRIPTOR	pT01;
 	u16	stmp;
@@ -330,44 +330,44 @@ static void Mds_HeaderCopy(struct wbsoft_priv * adapter, struct wb35_descriptor
 
 
 	stmp = pDes->buffer_total_size;
-	//
-	// Set USB header 8 byte
-	//
+	/*
+	 * Set USB header 8 byte
+	 */
 	pT00 = (PT00_DESCRIPTOR)TargetBuffer;
 	TargetBuffer += 4;
 	pT01 = (PT01_DESCRIPTOR)TargetBuffer;
 	TargetBuffer += 4;
 
-	pT00->value = 0;// Clear
-	pT01->value = 0;// Clear
+	pT00->value = 0; /* Clear */
+	pT01->value = 0; /* Clear */
 
-	pT00->T00_tx_packet_id = pDes->Descriptor_ID;// Set packet ID
-	pT00->T00_header_length = 24;// Set header length
-	pT01->T01_retry_abort_ebable = 1;//921013 931130.5.h
+	pT00->T00_tx_packet_id = pDes->Descriptor_ID; /* Set packet ID */
+	pT00->T00_header_length = 24; /* Set header length */
+	pT01->T01_retry_abort_ebable = 1; /* 921013 931130.5.h */
 
-	// Key ID setup
+	/* Key ID setup */
 	pT01->T01_wep_id = 0;
 
-	FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;	//Do not fragment
-	// Copy full data, the 1'st buffer contain all the data 931130.5.j
-	memcpy( TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE );// Copy header
+	FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;	/* Do not fragment */
+	/* Copy full data, the 1'st buffer contain all the data 931130.5.j */
+	memcpy( TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE ); /* Copy header */
 	pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE;
 	pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE;
 	pDes->buffer_size[0] = pDes->buffer_total_size;
 
-	// Set fragment threshold
+	/* Set fragment threshold */
 	FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4);
 	pDes->FragmentThreshold = FragmentThreshold;
 
-	// Set more frag bit
-	TargetBuffer[1] |= 0x04;// Set more frag bit
+	/* Set more frag bit */
+	TargetBuffer[1] |= 0x04; /* Set more frag bit */
 
-	//
-	// Set tx rate
-	//
-	stmp = *(u16 *)(TargetBuffer+30); // 2n alignment address
+	/*
+	 * Set tx rate
+	 */
+	stmp = *(u16 *)(TargetBuffer+30); /* 2n alignment address */
 
-	//Use basic rate
+	/* Use basic rate */
 	ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG;
 
 	pDes->TxRate = ctmp1;
@@ -381,10 +381,10 @@ static void Mds_HeaderCopy(struct wbsoft_priv * adapter, struct wb35_descriptor
 		if( i == 1 )
 			ctmp1 = ctmpf;
 
-		pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; // backup the ta rate and fall back rate
+		pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; /* backup the ta rate and fall back rate */
 
 		if( ctmp1 == 108) ctmp2 = 7;
-		else if( ctmp1 == 96 ) ctmp2 = 6; // Rate convert for USB
+		else if( ctmp1 == 96 ) ctmp2 = 6; /* Rate convert for USB */
 		else if( ctmp1 == 72 ) ctmp2 = 5;
 		else if( ctmp1 == 48 ) ctmp2 = 4;
 		else if( ctmp1 == 36 ) ctmp2 = 3;
@@ -394,7 +394,7 @@ static void Mds_HeaderCopy(struct wbsoft_priv * adapter, struct wb35_descriptor
 		else if( ctmp1 == 22 ) ctmp2 = 3;
 		else if( ctmp1 == 11 ) ctmp2 = 2;
 		else if( ctmp1 == 4  ) ctmp2 = 1;
-		else ctmp2 = 0; // if( ctmp1 == 2  ) or default
+		else ctmp2 = 0; /* if( ctmp1 == 2  ) or default */
 
 		if( i == 0 )
 			pT01->T01_transmit_rate = ctmp2;
@@ -402,14 +402,14 @@ static void Mds_HeaderCopy(struct wbsoft_priv * adapter, struct wb35_descriptor
 			pT01->T01_fall_back_rate = ctmp2;
 	}
 
-	//
-	// Set preamble type
-	//
-	if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0))	// RATE_1M
+	/*
+	 * Set preamble type
+	 */
+	if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0))	/* RATE_1M */
 		pDes->PreambleMode =  WLAN_PREAMBLE_TYPE_LONG;
 	else
 		pDes->PreambleMode =  CURRENT_PREAMBLE_MODE;
-	pT01->T01_plcp_header_length = pDes->PreambleMode;	// Set preamble
+	pT01->T01_plcp_header_length = pDes->PreambleMode;	/* Set preamble */
 
 }
 
@@ -431,21 +431,21 @@ Mds_Tx(struct wbsoft_priv * adapter)
 	if (!hal_driver_init_OK(pHwData))
 		return;
 
-	//Only one thread can be run here
+	/* Only one thread can be run here */
 	if (atomic_inc_return(&pMds->TxThreadCount) != 1)
 		goto cleanup;
 
-	// Start to fill the data
+	/* Start to fill the data */
 	do {
 		FillIndex = pMds->TxFillIndex;
-		if (pMds->TxOwner[FillIndex]) { // Is owned by software 0:Yes 1:No
+		if (pMds->TxOwner[FillIndex]) { /* Is owned by software 0:Yes 1:No */
 #ifdef _PE_TX_DUMP_
 			printk("[Mds_Tx] Tx Owner is H/W.\n");
 #endif
 			break;
 		}
 
-		XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); //Get buffer
+		XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); /* Get buffer */
 		XmitBufSize = 0;
 		FillCount = 0;
 		do {
@@ -453,37 +453,37 @@ Mds_Tx(struct wbsoft_priv * adapter)
 			if (!PacketSize)
 				break;
 
-			//For Check the buffer resource
+			/* For Check the buffer resource */
 			FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
-			//931130.5.b
+			/* 931130.5.b */
 			FragmentCount = PacketSize/FragmentThreshold + 1;
-			stmp = PacketSize + FragmentCount*32 + 8;//931130.5.c 8:MIC
+			stmp = PacketSize + FragmentCount*32 + 8; /* 931130.5.c 8:MIC */
 			if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) {
 				printk("[Mds_Tx] Excess max tx buffer.\n");
-				break; // buffer is not enough
+				break; /* buffer is not enough */
 			}
 
 
-			//
-			// Start transmitting
-			//
+			/*
+			 * Start transmitting
+			 */
 			BufferFilled = true;
 
 			/* Leaves first u8 intact */
 			memset((u8 *)pTxDes + 1, 0, sizeof(struct wb35_descriptor) - 1);
 
-			TxDesIndex = pMds->TxDesIndex;//Get the current ID
+			TxDesIndex = pMds->TxDesIndex; /* Get the current ID */
 			pTxDes->Descriptor_ID = TxDesIndex;
-			pMds->TxDesFrom[ TxDesIndex ] = 2;//Storing the information of source comming from
+			pMds->TxDesFrom[ TxDesIndex ] = 2; /* Storing the information of source comming from */
 			pMds->TxDesIndex++;
 			pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR;
 
 			MLME_GetNextPacket( adapter, pTxDes );
 
-			// Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type
+			/* Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type */
 			Mds_HeaderCopy( adapter, pTxDes, XmitBufAddress );
 
-			// For speed up Key setting
+			/* For speed up Key setting */
 			if (pTxDes->EapFix) {
 #ifdef _PE_TX_DUMP_
 				printk("35: EPA 4th frame detected. Size = %d\n", PacketSize);
@@ -491,41 +491,41 @@ Mds_Tx(struct wbsoft_priv * adapter)
 				pHwData->IsKeyPreSet = 1;
 			}
 
-			// Copy (fragment) frame body, and set USB, 802.11 hdr flag
+			/* Copy (fragment) frame body, and set USB, 802.11 hdr flag */
 			CurrentSize = Mds_BodyCopy(adapter, pTxDes, XmitBufAddress);
 
-			// Set RTS/CTS and Normal duration field into buffer
+			/* Set RTS/CTS and Normal duration field into buffer */
 			Mds_DurationSet(adapter, pTxDes, XmitBufAddress);
 
-			//Shift to the next address
+			/* Shift to the next address */
 			XmitBufSize += CurrentSize;
 			XmitBufAddress += CurrentSize;
 
 #ifdef _IBSS_BEACON_SEQ_STICK_
-			if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) // +8 for USB hdr
+			if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) /* +8 for USB hdr */
 #endif
 				pMds->TxToggle = true;
 
-			// Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data
+			/* Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data */
 			MLME_SendComplete(adapter, 0, true);
 
-			// Software TSC count 20060214
+			/* Software TSC count 20060214 */
 			pMds->TxTsc++;
 			if (pMds->TxTsc == 0)
 				pMds->TxTsc_2++;
 
-			FillCount++; // 20060928
-		} while (HAL_USB_MODE_BURST(pHwData)); // End of multiple MSDU copy loop. false = single true = multiple sending
+			FillCount++; /* 20060928 */
+		} while (HAL_USB_MODE_BURST(pHwData)); /* End of multiple MSDU copy loop. false = single true = multiple sending  */
 
-		// Move to the next one, if necessary
+		/* Move to the next one, if necessary */
 		if (BufferFilled) {
-			// size setting
+			/* size setting */
 			pMds->TxBufferSize[ FillIndex ] = XmitBufSize;
 
-			// 20060928 set Tx count
+			/* 20060928 set Tx count */
 			pMds->TxCountInBuffer[FillIndex] = FillCount;
 
-			// Set owner flag
+			/* Set owner flag */
 			pMds->TxOwner[FillIndex] = 1;
 
 			pMds->TxFillIndex++;
@@ -534,14 +534,14 @@ Mds_Tx(struct wbsoft_priv * adapter)
 		} else
 			break;
 
-		if (!PacketSize) // No more pk for transmitting
+		if (!PacketSize) /* No more pk for transmitting */
 			break;
 
 	} while(true);
 
-	//
-	// Start to send by lower module
-	//
+	/*
+	 * Start to send by lower module
+	 */
 	if (!pHwData->IsKeyPreSet)
 		Wb35Tx_start(adapter);
 
@@ -558,20 +558,20 @@ Mds_SendComplete(struct wbsoft_priv * adapter, PT02_DESCRIPTOR pT02)
 	unsigned char	SendOK = true;
 	u8	RetryCount, TxRate;
 
-	if (pT02->T02_IgnoreResult) // Don't care the result
+	if (pT02->T02_IgnoreResult) /* Don't care the result */
 		return;
 	if (pT02->T02_IsLastMpdu) {
-		//TODO: DTO -- get the retry count and fragment count
-		// Tx rate
+		/* TODO: DTO -- get the retry count and fragment count */
+		/* Tx rate */
 		TxRate = pMds->TxRate[ PacketId ][ 0 ];
 		RetryCount = (u8)pT02->T02_MPDU_Cnt;
 		if (pT02->value & FLAG_ERROR_TX_MASK) {
 			SendOK = false;
 
 			if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) {
-				//retry error
+				/* retry error */
 				pHwData->dto_tx_retry_count += (RetryCount+1);
-				//[for tx debug]
+				/* [for tx debug] */
 				if (RetryCount<7)
 					pHwData->tx_retry_count[RetryCount] += RetryCount;
 				else
@@ -583,7 +583,7 @@ Mds_SendComplete(struct wbsoft_priv * adapter, PT02_DESCRIPTOR pT02)
 			}
 			pHwData->dto_tx_frag_count += (RetryCount+1);
 
-			//[for tx debug]
+			/* [for tx debug] */
 			if (pT02->T02_transmit_abort_due_to_TBTT)
 				pHwData->tx_TBTT_start_count++;
 			if (pT02->T02_transmit_without_encryption_due_to_wep_on_false)
@@ -596,7 +596,7 @@ Mds_SendComplete(struct wbsoft_priv * adapter, PT02_DESCRIPTOR pT02)
 			MTO_SetTxCount(adapter, TxRate, RetryCount);
 		}
 
-		// Clear send result buffer
+		/* Clear send result buffer */
 		pMds->TxResult[ PacketId ] = 0;
 	} else
 		pMds->TxResult[ PacketId ] |= ((u16)(pT02->value & 0x0ffff));

From 15df6385d940ad5486b4c2de8ab45979b13349fe Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Thu, 11 Mar 2010 18:22:51 +0200
Subject: [PATCH 0860/3638] Staging: crystalhd: fix device_create() return
 value check

Use IS_ERR() instead of comparing to NULL.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Cc: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/crystalhd_lnx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c
index 54bad652c0c..3c562f0f86b 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.c
+++ b/drivers/staging/crystalhd/crystalhd_lnx.c
@@ -376,7 +376,7 @@ static int __devinit chd_dec_init_chdev(struct crystalhd_adp *adp)
 
 	dev = device_create(crystalhd_class, NULL, MKDEV(adp->chd_dec_major, 0),
 			    NULL, "crystalhd");
-	if (!dev) {
+	if (IS_ERR(dev)) {
 		BCMLOG_ERR("failed to create device\n");
 		goto device_create_fail;
 	}

From 641b63f9981a082eeefab3b395203a54dcd6e93b Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Thu, 11 Mar 2010 00:21:20 +0100
Subject: [PATCH 0861/3638] Staging: crystalhd: Whitespace fixes, indentation
 fixes and 3 changed #includes

These patches fixes some whitspace and indentation warnings from
checkpatch.pl

Also these changed #includes:
	bc_dts_glob_lnx.h:43: WARNING: Use #include <linux/param.h> instead of <asm/param.h>
	rystalhd_lnx.h:45: WARNING: Use #include <linux/io.h> instead of <asm/io.h>
	crystalhd_lnx.h:49: WARNING: Use #include <linux/uaccess.h> instead of <asm/uaccess.h>

It all compiles fine, but I don't have the hardware to test with..

Signed-off-by: Lars Lindley <lindley@coyote.org>
Cc: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/bc_dts_glob_lnx.h |  2 +-
 drivers/staging/crystalhd/bc_dts_types.h    |  2 +-
 drivers/staging/crystalhd/bcm_70012_regs.h  | 24 +++++++++----------
 drivers/staging/crystalhd/crystalhd_cmds.c  | 20 ++++++++--------
 drivers/staging/crystalhd/crystalhd_cmds.h  |  2 +-
 drivers/staging/crystalhd/crystalhd_lnx.c   | 26 ++++++++++-----------
 drivers/staging/crystalhd/crystalhd_lnx.h   |  4 ++--
 drivers/staging/crystalhd/crystalhd_misc.c  | 18 +++++++-------
 8 files changed, 49 insertions(+), 49 deletions(-)

diff --git a/drivers/staging/crystalhd/bc_dts_glob_lnx.h b/drivers/staging/crystalhd/bc_dts_glob_lnx.h
index b3125e3e037..0fd34e20dc8 100644
--- a/drivers/staging/crystalhd/bc_dts_glob_lnx.h
+++ b/drivers/staging/crystalhd/bc_dts_glob_lnx.h
@@ -40,7 +40,7 @@
 #include <sys/time.h>
 #include <time.h>
 #include <arpa/inet.h>
-#include <asm/param.h>
+#include <linux/param.h>
 #include <linux/ioctl.h>
 #include <sys/select.h>
 
diff --git a/drivers/staging/crystalhd/bc_dts_types.h b/drivers/staging/crystalhd/bc_dts_types.h
index ac0c8171738..95a2f875f1e 100644
--- a/drivers/staging/crystalhd/bc_dts_types.h
+++ b/drivers/staging/crystalhd/bc_dts_types.h
@@ -25,7 +25,7 @@
 #ifndef _BC_DTS_TYPES_H_
 #define _BC_DTS_TYPES_H_
 
-#ifdef __LINUX_USER__  // Don't include these for KERNEL..
+#ifdef __LINUX_USER__  /* Don't include these for KERNEL.. */
 #include <stdint.h>
 #endif
 
diff --git a/drivers/staging/crystalhd/bcm_70012_regs.h b/drivers/staging/crystalhd/bcm_70012_regs.h
index 6922f54e432..f3ab3146cd9 100644
--- a/drivers/staging/crystalhd/bcm_70012_regs.h
+++ b/drivers/staging/crystalhd/bcm_70012_regs.h
@@ -25,22 +25,22 @@
  * m = memory, c = core, r = register, f = field, d = data.
  */
 #if !defined(GET_FIELD) && !defined(SET_FIELD)
-#define BRCM_ALIGN(c,r,f)   c##_##r##_##f##_ALIGN
-#define BRCM_BITS(c,r,f)    c##_##r##_##f##_BITS
-#define BRCM_MASK(c,r,f)    c##_##r##_##f##_MASK
-#define BRCM_SHIFT(c,r,f)   c##_##r##_##f##_SHIFT
+#define BRCM_ALIGN(c, r, f)   c##_##r##_##f##_ALIGN
+#define BRCM_BITS(c, r, f)    c##_##r##_##f##_BITS
+#define BRCM_MASK(c, r, f)    c##_##r##_##f##_MASK
+#define BRCM_SHIFT(c, r, f)   c##_##r##_##f##_SHIFT
 
-#define GET_FIELD(m,c,r,f) \
-	((((m) & BRCM_MASK(c,r,f)) >> BRCM_SHIFT(c,r,f)) << BRCM_ALIGN(c,r,f))
+#define GET_FIELD(m, c, r, f) \
+	((((m) & BRCM_MASK(c, r, f)) >> BRCM_SHIFT(c, r, f)) << BRCM_ALIGN(c, r, f))
 
-#define SET_FIELD(m,c,r,f,d) \
-	((m) = (((m) & ~BRCM_MASK(c,r,f)) | ((((d) >> BRCM_ALIGN(c,r,f)) << \
-	 BRCM_SHIFT(c,r,f)) & BRCM_MASK(c,r,f))) \
+#define SET_FIELD(m, c, r, f, d) \
+	((m) = (((m) & ~BRCM_MASK(c, r, f)) | ((((d) >> BRCM_ALIGN(c, r, f)) << \
+	 BRCM_SHIFT(c, r, f)) & BRCM_MASK(c, r, f))) \
 	)
 
-#define SET_TYPE_FIELD(m,c,r,f,d) SET_FIELD(m,c,r,f,c##_##d)
-#define SET_NAME_FIELD(m,c,r,f,d) SET_FIELD(m,c,r,f,c##_##r##_##f##_##d)
-#define SET_VALUE_FIELD(m,c,r,f,d) SET_FIELD(m,c,r,f,d)
+#define SET_TYPE_FIELD(m, c, r, f, d) SET_FIELD(m, c, r, f, c##_##d)
+#define SET_NAME_FIELD(m, c, r, f, d) SET_FIELD(m, c, r, f, c##_##r##_##f##_##d)
+#define SET_VALUE_FIELD(m, c, r, f, d) SET_FIELD(m, c, r, f, d)
 
 #endif /* GET & SET */
 
diff --git a/drivers/staging/crystalhd/crystalhd_cmds.c b/drivers/staging/crystalhd/crystalhd_cmds.c
index 26145a8d0f7..d826715809d 100644
--- a/drivers/staging/crystalhd/crystalhd_cmds.c
+++ b/drivers/staging/crystalhd/crystalhd_cmds.c
@@ -88,7 +88,7 @@ static BC_STATUS bc_cproc_notify_mode(struct crystalhd_cmd *ctx,
 		return BC_STS_SUCCESS;
 	}
 	if (ctx->state != BC_LINK_INVALID) {
-		BCMLOG_ERR("Link invalid state %d \n", ctx->state);
+		BCMLOG_ERR("Link invalid state %d\n", ctx->state);
 		return BC_STS_ERR_USAGE;
 	}
 	/* Check for duplicate playback sessions..*/
@@ -301,7 +301,7 @@ static BC_STATUS bc_cproc_download_fw(struct crystalhd_cmd *ctx,
 	}
 
 	if (ctx->state != BC_LINK_INVALID) {
-		BCMLOG_ERR("Link invalid state %d \n", ctx->state);
+		BCMLOG_ERR("Link invalid state %d\n", ctx->state);
 		return BC_STS_ERR_USAGE;
 	}
 
@@ -309,7 +309,7 @@ static BC_STATUS bc_cproc_download_fw(struct crystalhd_cmd *ctx,
 				  idata->add_cdata_sz);
 
 	if (sts != BC_STS_SUCCESS) {
-		BCMLOG_ERR("Firmware Download Failure!! - %d\n", sts);
+		BCMLOG_ERR("Firmware Download Failure!! - %d\n", sts)
 	} else
 		ctx->state |= BC_LINK_INIT;
 
@@ -335,7 +335,7 @@ static BC_STATUS bc_cproc_do_fw_cmd(struct crystalhd_cmd *ctx, crystalhd_ioctl_d
 	uint32_t *cmd;
 
 	if (!(ctx->state & BC_LINK_INIT)) {
-		BCMLOG_ERR("Link invalid state %d \n", ctx->state);
+		BCMLOG_ERR("Link invalid state %d\n", ctx->state);
 		return BC_STS_ERR_USAGE;
 	}
 
@@ -379,7 +379,7 @@ static void bc_proc_in_completion(crystalhd_dio_req *dio_hnd,
 		return;
 	}
 	if (sts == BC_STS_IO_USER_ABORT)
-		 return;
+		return;
 
 	dio_hnd->uinfo.comp_sts = sts;
 	dio_hnd->uinfo.ev_sts = 1;
@@ -452,7 +452,7 @@ static BC_STATUS bc_cproc_hw_txdma(struct crystalhd_cmd *ctx,
 	if (!rc) {
 		return dio->uinfo.comp_sts;
 	} else if (rc == -EBUSY) {
-		BCMLOG(BCMLOG_DBG, "_tx_post() T/O \n");
+		BCMLOG(BCMLOG_DBG, "_tx_post() T/O\n");
 		sts = BC_STS_TIMEOUT;
 	} else if (rc == -EINTR) {
 		BCMLOG(BCMLOG_DBG, "Tx Wait Signal int.\n");
@@ -482,7 +482,7 @@ static BC_STATUS bc_cproc_check_inbuffs(bool pin, void *ubuff, uint32_t ub_sz,
 
 	/* Check for alignment */
 	if (((uintptr_t)ubuff) & 0x03) {
-		BCMLOG_ERR("%s-->Un-aligned address not implemented yet.. %p \n",
+		BCMLOG_ERR("%s-->Un-aligned address not implemented yet.. %p\n",
 				((pin) ? "TX" : "RX"), ubuff);
 		return BC_STS_NOT_IMPL;
 	}
@@ -523,7 +523,7 @@ static BC_STATUS bc_cproc_proc_input(struct crystalhd_cmd *ctx, crystalhd_ioctl_
 
 	sts = crystalhd_map_dio(ctx->adp, ubuff, ub_sz, 0, 0, 1, &dio_hnd);
 	if (sts != BC_STS_SUCCESS) {
-		BCMLOG_ERR("dio map - %d \n", sts);
+		BCMLOG_ERR("dio map - %d\n", sts);
 		return sts;
 	}
 
@@ -563,7 +563,7 @@ static BC_STATUS bc_cproc_add_cap_buff(struct crystalhd_cmd *ctx,
 	sts = crystalhd_map_dio(ctx->adp, ubuff, ub_sz, uv_off,
 			      en_422, 0, &dio_hnd);
 	if (sts != BC_STS_SUCCESS) {
-		BCMLOG_ERR("dio map - %d \n", sts);
+		BCMLOG_ERR("dio map - %d\n", sts);
 		return sts;
 	}
 
@@ -1026,7 +1026,7 @@ crystalhd_cmd_proc crystalhd_get_cmd_proc(struct crystalhd_cmd *ctx, uint32_t cm
 		if (g_crystalhd_cproc_tbl[i].cmd_id == cmd) {
 			if ((uc->mode == DTS_MONITOR_MODE) &&
 			    (g_crystalhd_cproc_tbl[i].block_mon)) {
-				BCMLOG(BCMLOG_INFO, "Blocking cmd %d \n", cmd);
+				BCMLOG(BCMLOG_INFO, "Blocking cmd %d\n", cmd);
 				break;
 			}
 			cproc = g_crystalhd_cproc_tbl[i].cmd_proc;
diff --git a/drivers/staging/crystalhd/crystalhd_cmds.h b/drivers/staging/crystalhd/crystalhd_cmds.h
index 6b290aed8e0..9989038b5c1 100644
--- a/drivers/staging/crystalhd/crystalhd_cmds.h
+++ b/drivers/staging/crystalhd/crystalhd_cmds.h
@@ -66,7 +66,7 @@ struct crystalhd_cmd {
 	struct crystalhd_hw	hw_ctx;
 };
 
-typedef BC_STATUS (*crystalhd_cmd_proc)(struct crystalhd_cmd *, crystalhd_ioctl_data *);
+typedef BC_STATUS(*crystalhd_cmd_proc)(struct crystalhd_cmd *, crystalhd_ioctl_data *);
 
 typedef struct _crystalhd_cmd_tbl {
 	uint32_t		cmd_id;
diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c
index 3c562f0f86b..58fd91af091 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.c
+++ b/drivers/staging/crystalhd/crystalhd_lnx.c
@@ -51,7 +51,7 @@ static int chd_dec_enable_int(struct crystalhd_adp *adp)
 	rc = request_irq(adp->pdev->irq, chd_dec_isr, IRQF_SHARED,
 			 adp->name, (void *)adp);
 	if (rc) {
-		BCMLOG_ERR("Interrupt request failed.. \n");
+		BCMLOG_ERR("Interrupt request failed..\n");
 		pci_disable_msi(adp->pdev);
 	}
 
@@ -112,7 +112,7 @@ static inline int crystalhd_user_data(unsigned long ud, void *dr, int size, int
 	int rc;
 
 	if (!ud || !dr) {
-		BCMLOG_ERR("Invalid arg \n");
+		BCMLOG_ERR("Invalid arg\n");
 		return -EINVAL;
 	}
 
@@ -122,7 +122,7 @@ static inline int crystalhd_user_data(unsigned long ud, void *dr, int size, int
 		rc = copy_from_user(dr, (void *)ud, size);
 
 	if (rc) {
-		BCMLOG_ERR("Invalid args for command \n");
+		BCMLOG_ERR("Invalid args for command\n");
 		rc = -EFAULT;
 	}
 
@@ -206,7 +206,7 @@ static int chd_dec_proc_user_data(struct crystalhd_adp *adp,
 
 	rc = crystalhd_user_data(ua, &io->udata, sizeof(io->udata), set);
 	if (rc) {
-		BCMLOG_ERR("failed to %s iodata \n", (set ? "set" : "get"));
+		BCMLOG_ERR("failed to %s iodata\n", (set ? "set" : "get"));
 		return rc;
 	}
 
@@ -308,7 +308,7 @@ static int chd_dec_open(struct inode *in, struct file *fd)
 
 	sts = crystalhd_user_open(&adp->cmds, &uc);
 	if (sts != BC_STS_SUCCESS) {
-		BCMLOG_ERR("cmd_user_open - %d \n", sts);
+		BCMLOG_ERR("cmd_user_open - %d\n", sts);
 		rc = -EBUSY;
 	}
 
@@ -326,7 +326,7 @@ static int chd_dec_close(struct inode *in, struct file *fd)
 
 	BCMLOG_ENTER;
 	if (!adp) {
-		BCMLOG_ERR("Invalid adp \n");
+		BCMLOG_ERR("Invalid adp\n");
 		return -EINVAL;
 	}
 
@@ -521,7 +521,7 @@ static void __devexit chd_dec_pci_remove(struct pci_dev *pdev)
 
 	sts = crystalhd_delete_cmd_context(&pinfo->cmds);
 	if (sts != BC_STS_SUCCESS)
-		BCMLOG_ERR("cmd delete :%d \n", sts);
+		BCMLOG_ERR("cmd delete :%d\n", sts);
 
 	chd_dec_release_chdev(pinfo);
 
@@ -581,7 +581,7 @@ static int __devinit chd_dec_pci_probe(struct pci_dev *pdev,
 	chd_dec_init_chdev(pinfo);
 	rc = chd_dec_enable_int(pinfo);
 	if (rc) {
-		BCMLOG_ERR("_enable_int err:%d \n", rc);
+		BCMLOG_ERR("_enable_int err:%d\n", rc);
 		pci_disable_device(pdev);
 		return -ENODEV;
 	}
@@ -601,7 +601,7 @@ static int __devinit chd_dec_pci_probe(struct pci_dev *pdev,
 
 	sts = crystalhd_setup_cmd_context(&pinfo->cmds, pinfo);
 	if (sts != BC_STS_SUCCESS) {
-		BCMLOG_ERR("cmd setup :%d \n", sts);
+		BCMLOG_ERR("cmd setup :%d\n", sts);
 		pci_disable_device(pdev);
 		return -ENODEV;
 	}
@@ -675,7 +675,7 @@ int chd_dec_pci_resume(struct pci_dev *pdev)
 
 	rc = chd_dec_enable_int(adp);
 	if (rc) {
-		BCMLOG_ERR("_enable_int err:%d \n", rc);
+		BCMLOG_ERR("_enable_int err:%d\n", rc);
 		pci_disable_device(pdev);
 		return -ENODEV;
 	}
@@ -738,13 +738,13 @@ static int __init chd_dec_module_init(void)
 	int rc;
 
 	chd_set_log_level(NULL, "debug");
-	BCMLOG(BCMLOG_DATA, "Loading crystalhd %d.%d.%d \n",
+	BCMLOG(BCMLOG_DATA, "Loading crystalhd %d.%d.%d\n",
 	       crystalhd_kmod_major, crystalhd_kmod_minor, crystalhd_kmod_rev);
 
 	rc = pci_register_driver(&bc_chd_70012_driver);
 
 	if (rc < 0)
-		BCMLOG_ERR("Could not find any devices. err:%d \n", rc);
+		BCMLOG_ERR("Could not find any devices. err:%d\n", rc);
 
 	return rc;
 }
@@ -752,7 +752,7 @@ module_init(chd_dec_module_init);
 
 static void __exit chd_dec_module_cleanup(void)
 {
-	BCMLOG(BCMLOG_DATA, "unloading crystalhd %d.%d.%d \n",
+	BCMLOG(BCMLOG_DATA, "unloading crystalhd %d.%d.%d\n",
 	       crystalhd_kmod_major, crystalhd_kmod_minor, crystalhd_kmod_rev);
 
 	pci_unregister_driver(&bc_chd_70012_driver);
diff --git a/drivers/staging/crystalhd/crystalhd_lnx.h b/drivers/staging/crystalhd/crystalhd_lnx.h
index d338ae97a4c..eee4926f04e 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.h
+++ b/drivers/staging/crystalhd/crystalhd_lnx.h
@@ -42,11 +42,11 @@
 #include <linux/pagemap.h>
 #include <linux/vmalloc.h>
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/irq.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 #include "crystalhd_cmds.h"
 
diff --git a/drivers/staging/crystalhd/crystalhd_misc.c b/drivers/staging/crystalhd/crystalhd_misc.c
index 73593b078b3..d1346672531 100644
--- a/drivers/staging/crystalhd/crystalhd_misc.c
+++ b/drivers/staging/crystalhd/crystalhd_misc.c
@@ -237,7 +237,7 @@ BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *adp, uint32_t start_off,
 
 	if (!adp || !rd_buff ||
 	    (bc_chk_dram_range(adp, start_off, dw_cnt) != BC_STS_SUCCESS)) {
-		BCMLOG_ERR("Invalid arg \n");
+		BCMLOG_ERR("Invalid arg\n");
 		return BC_STS_INV_ARG;
 	}
 	for (ix = 0; ix < dw_cnt; ix++)
@@ -265,7 +265,7 @@ BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *adp, uint32_t start_off,
 
 	if (!adp || !wr_buff ||
 	    (bc_chk_dram_range(adp, start_off, dw_cnt) != BC_STS_SUCCESS)) {
-		BCMLOG_ERR("Invalid arg \n");
+		BCMLOG_ERR("Invalid arg\n");
 		return BC_STS_INV_ARG;
 	}
 
@@ -293,7 +293,7 @@ BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *adp, uint32_t off,
 	int rc = 0;
 
 	if (!adp || !val) {
-		BCMLOG_ERR("Invalid arg \n");
+		BCMLOG_ERR("Invalid arg\n");
 		return BC_STS_INV_ARG;
 	}
 
@@ -338,7 +338,7 @@ BC_STATUS crystalhd_pci_cfg_wr(struct crystalhd_adp *adp, uint32_t off,
 	int rc = 0;
 
 	if (!adp || !val) {
-		BCMLOG_ERR("Invalid arg \n");
+		BCMLOG_ERR("Invalid arg\n");
 		return BC_STS_INV_ARG;
 	}
 
@@ -685,7 +685,7 @@ BC_STATUS crystalhd_map_dio(struct crystalhd_adp *adp, void *ubuff,
 	int i = 0, rw = 0, res = 0, nr_pages = 0, skip_fb_sg = 0;
 
 	if (!adp || !ubuff || !ubuff_sz || !dio_hnd) {
-		BCMLOG_ERR("Invalid arg \n");
+		BCMLOG_ERR("Invalid arg\n");
 		return BC_STS_INV_ARG;
 	}
 	/* Compute pages */
@@ -791,7 +791,7 @@ BC_STATUS crystalhd_map_dio(struct crystalhd_adp *adp, void *ubuff,
 	dio->sg_cnt = pci_map_sg(adp->pdev, dio->sg,
 				 dio->page_cnt, dio->direction);
 	if (dio->sg_cnt <= 0) {
-		BCMLOG_ERR("sg map %d-%d \n", dio->sg_cnt, dio->page_cnt);
+		BCMLOG_ERR("sg map %d-%d\n", dio->sg_cnt, dio->page_cnt);
 		crystalhd_unmap_dio(adp, dio);
 		return BC_STS_ERROR;
 	}
@@ -826,7 +826,7 @@ BC_STATUS crystalhd_unmap_dio(struct crystalhd_adp *adp, crystalhd_dio_req *dio)
 	int j = 0;
 
 	if (!adp || !dio) {
-		BCMLOG_ERR("Invalid arg \n");
+		BCMLOG_ERR("Invalid arg\n");
 		return BC_STS_INV_ARG;
 	}
 
@@ -947,7 +947,7 @@ void crystalhd_destroy_dio_pool(struct crystalhd_adp *adp)
 		adp->fill_byte_pool = NULL;
 	}
 
-	BCMLOG(BCMLOG_DBG, "Released dio pool %d \n", count);
+	BCMLOG(BCMLOG_DBG, "Released dio pool %d\n", count);
 }
 
 /**
@@ -973,7 +973,7 @@ int __devinit crystalhd_create_elem_pool(struct crystalhd_adp *adp,
 	for (i = 0; i < pool_size; i++) {
 		temp = kzalloc(sizeof(*temp), GFP_KERNEL);
 		if (!temp) {
-			BCMLOG_ERR("kalloc failed \n");
+			BCMLOG_ERR("kalloc failed\n");
 			return -ENOMEM;
 		}
 		crystalhd_free_elem(adp, temp);

From 63f63d236b14b5afbac882a1a47d936fbb14c5b4 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Fri, 12 Mar 2010 21:05:41 +0800
Subject: [PATCH 0862/3638] Staging: wlan-ng: remove duplicated #include

Remove duplicated #include('s) in
  drivers/staging/wlan-ng/p80211wext.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/p80211wext.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c
index 83f1d6cd799..dc72661f066 100644
--- a/drivers/staging/wlan-ng/p80211wext.c
+++ b/drivers/staging/wlan-ng/p80211wext.c
@@ -49,7 +49,6 @@
 #include <linux/uaccess.h>
 #include <asm/byteorder.h>
 #include <linux/if_ether.h>
-#include <linux/bitops.h>
 
 #include "p80211types.h"
 #include "p80211hdr.h"

From 773cde9a496f1f2db6612927863d649bda2dc8da Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Fri, 12 Mar 2010 22:13:43 +0800
Subject: [PATCH 0863/3638] Staging: remove unused #include <linux/version.h>

Remove unused #include <linux/version.h>('s) in
  drivers/staging/dt3155/allocator.c
  drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
  drivers/staging/vme/boards/vme_vmivme7805.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/allocator.c                | 1 -
 drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c | 1 -
 drivers/staging/vme/boards/vme_vmivme7805.c       | 1 -
 3 files changed, 3 deletions(-)

diff --git a/drivers/staging/dt3155/allocator.c b/drivers/staging/dt3155/allocator.c
index db382ef9021..6fbd0507288 100644
--- a/drivers/staging/dt3155/allocator.c
+++ b/drivers/staging/dt3155/allocator.c
@@ -45,7 +45,6 @@
 #  define MODULE
 #endif
 
-#include <linux/version.h>
 
 #include <linux/sched.h>
 #include <linux/kernel.h>
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
index 48537d94894..81aa2ed226a 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
@@ -47,7 +47,6 @@
 #include <linux/slab.h>
 #include <linux/tcp.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/wireless.h>
 #include <linux/etherdevice.h>
 #include <asm/uaccess.h>
diff --git a/drivers/staging/vme/boards/vme_vmivme7805.c b/drivers/staging/vme/boards/vme_vmivme7805.c
index 843c9edde55..80eaa0c4fe1 100644
--- a/drivers/staging/vme/boards/vme_vmivme7805.c
+++ b/drivers/staging/vme/boards/vme_vmivme7805.c
@@ -10,7 +10,6 @@
  * option) any later version.
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/errno.h>

From 09a3c4aeb108dcc2ee89370c511e263dbcc94563 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Fri, 12 Mar 2010 21:05:26 +0800
Subject: [PATCH 0864/3638] Staging: sep: remove duplicated #include

Remove duplicated #include('s) in
  drivers/staging/sep/sep_driver.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sep/sep_driver.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c
index 88880734921..0332c370fd8 100644
--- a/drivers/staging/sep/sep_driver.c
+++ b/drivers/staging/sep/sep_driver.c
@@ -39,7 +39,6 @@
 #include <linux/mm.h>
 #include <linux/poll.h>
 #include <linux/wait.h>
-#include <linux/sched.h>
 #include <linux/pci.h>
 #include <linux/firmware.h>
 #include <linux/slab.h>

From 59200df52cf7d4bfb93aeb30289a8e9d2af3058d Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Tue, 13 Apr 2010 22:01:31 -0500
Subject: [PATCH 0865/3638] Staging: dt3155: fix wait_ibsyclr function

The wait_ibsyclr function is supposed to return the status of the I2C
cycle.  Currently it will always return FALSE because the IIC_CSR2
register is not re-read in order to update the cached register value.
This results in the NEW_CYCLE bit still being 1.

The current code actually works correctly only because the return
value of {Read|Write}I2C is not checked in the driver.

Fix wait_ibsyclr by actually reading the IIC_CSR2 register to get the
updated status.  While here, change the return type to be an actual
errno instead of the private TRUE/FALSE define and remove the now
obvious comments about the return value.

Also, remove the local variable 'writestat' in WriteI2C and just
return the result of wait_ibsyclr.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155_io.c | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155_io.c b/drivers/staging/dt3155/dt3155_io.c
index 6b9c68501a6..7792e712d16 100644
--- a/drivers/staging/dt3155/dt3155_io.c
+++ b/drivers/staging/dt3155/dt3155_io.c
@@ -74,23 +74,22 @@ u8 i2c_pm_lut_data;
  * wait_ibsyclr()
  *
  * This function handles read/write timing and r/w timeout error
- *
- * Returns TRUE  if NEW_CYCLE clears
- * Returns FALSE if NEW_CYCLE doesn't clear in roughly 3 msecs, otherwise
- * returns 0
  */
 static int wait_ibsyclr(u8 *lpReg)
 {
 	/* wait 100 microseconds */
 	udelay(100L);
 	/* __delay(loops_per_sec/10000); */
+
+	ReadMReg(lpReg + IIC_CSR2, iic_csr2_r.reg);
 	if (iic_csr2_r.fld.NEW_CYCLE) {
 		/* if NEW_CYCLE didn't clear */
 		/* TIMEOUT ERROR */
 		dt3155_errno = DT_ERR_I2C_TIMEOUT;
-		return FALSE;
-	} else
-		return TRUE;	/* no error */
+		return -ETIMEDOUT;
+	}
+
+	return 0;	/* no error */
 }
 
 /*
@@ -101,14 +100,9 @@ static int wait_ibsyclr(u8 *lpReg)
  * 1st parameter is pointer to 32-bit register base address
  * 2nd parameter is reg. index;
  * 3rd is value to be written
- *
- * Returns TRUE   -  Successful completion
- *         FALSE  -  Timeout error - cycle did not complete!
  */
 int WriteI2C(u8 *lpReg, u_short wIregIndex, u8 byVal)
 {
-	int writestat;	/* status for return */
-
 	/* read 32 bit IIC_CSR2 register data into union */
 
 	ReadMReg((lpReg + IIC_CSR2), iic_csr2_r.reg);
@@ -126,8 +120,7 @@ int WriteI2C(u8 *lpReg, u_short wIregIndex, u8 byVal)
 	WriteMReg((lpReg + IIC_CSR2), iic_csr2_r.reg);
 
 	/* wait for IIC cycle to finish */
-	writestat = wait_ibsyclr(lpReg);
-	return writestat;
+	return wait_ibsyclr(lpReg);
 }
 
 /*
@@ -138,9 +131,6 @@ int WriteI2C(u8 *lpReg, u_short wIregIndex, u8 byVal)
  * 1st parameter is pointer to 32-bit register base address
  * 2nd parameter is reg. index;
  * 3rd is adrs of value to be read
- *
- * Returns TRUE   -  Successful completion
- *         FALSE  -  Timeout error - cycle did not complete!
  */
 int ReadI2C(u8 *lpReg, u_short wIregIndex, u8 *byVal)
 {

From b1f2ac07636aadee5cb077fc7e830908b00fcaae Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 20:15:07 +0200
Subject: [PATCH 0866/3638] Staging: push down BKL into ioctl functions

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/crystalhd_lnx.c | 13 ++++++++----
 drivers/staging/dt3155/dt3155_drv.c       | 24 +++++++++++++++++------
 drivers/staging/vme/devices/vme_user.c    | 18 ++++++++++++++---
 3 files changed, 42 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c
index 58fd91af091..6090a1d5954 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.c
+++ b/drivers/staging/crystalhd/crystalhd_lnx.c
@@ -16,6 +16,7 @@
 ***************************************************************************/
 
 #include <linux/version.h>
+#include <linux/smp_lock.h>
 #include <linux/slab.h>
 
 #include "crystalhd_lnx.h"
@@ -261,12 +262,12 @@ static int chd_dec_api_cmd(struct crystalhd_adp *adp, unsigned long ua,
 }
 
 /* API interfaces */
-static int chd_dec_ioctl(struct inode *in, struct file *fd,
-			 unsigned int cmd, unsigned long ua)
+static long chd_dec_ioctl(struct file *fd, unsigned int cmd, unsigned long ua)
 {
 	struct crystalhd_adp *adp = chd_get_adp();
 	crystalhd_cmd_proc cproc;
 	struct crystalhd_user *uc;
+	int ret;
 
 	if (!adp || !fd) {
 		BCMLOG_ERR("Invalid adp\n");
@@ -279,13 +280,17 @@ static int chd_dec_ioctl(struct inode *in, struct file *fd,
 		return -ENODATA;
 	}
 
+	lock_kernel();
 	cproc = crystalhd_get_cmd_proc(&adp->cmds, cmd, uc);
 	if (!cproc) {
 		BCMLOG_ERR("Unhandled command: %d\n", cmd);
+		unlock_kernel();
 		return -EINVAL;
 	}
 
-	return chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
+	ret = chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
+	unlock_kernel();
+	return ret;
 }
 
 static int chd_dec_open(struct inode *in, struct file *fd)
@@ -345,7 +350,7 @@ static int chd_dec_close(struct inode *in, struct file *fd)
 
 static const struct file_operations chd_dec_fops = {
 	.owner   = THIS_MODULE,
-	.ioctl   = chd_dec_ioctl,
+	.unlocked_ioctl = chd_dec_ioctl,
 	.open    = chd_dec_open,
 	.release = chd_dec_close,
 };
diff --git a/drivers/staging/dt3155/dt3155_drv.c b/drivers/staging/dt3155/dt3155_drv.c
index e2c44ec6fc4..7e6095f43f1 100644
--- a/drivers/staging/dt3155/dt3155_drv.c
+++ b/drivers/staging/dt3155/dt3155_drv.c
@@ -63,6 +63,7 @@ extern void printques(int);
 #include <linux/types.h>
 #include <linux/poll.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -835,6 +836,17 @@ static unsigned int dt3155_poll (struct file * filp, poll_table *wait)
   return 0;
 }
 
+static long
+dt3155_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = dt3155_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
 
 /*****************************************************
  * file operations supported by DT3155 driver
@@ -842,12 +854,12 @@ static unsigned int dt3155_poll (struct file * filp, poll_table *wait)
  *  register_chrdev
  *****************************************************/
 static struct file_operations dt3155_fops = {
-  read:		dt3155_read,
-  ioctl:		dt3155_ioctl,
-  mmap:		dt3155_mmap,
-  poll:           dt3155_poll,
-  open:		dt3155_open,
-  release:	dt3155_close
+	.read		= dt3155_read,
+	.unlocked_ioctl	= dt3155_unlocked_ioctl,
+	.mmap		= dt3155_mmap,
+	.poll		= dt3155_poll,
+	.open		= dt3155_open,
+	.release	= dt3155_close
 };
 
 
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 1ab9a985dfb..bc16fc070fd 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -31,6 +31,7 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/syscalls.h>
+#include <linux/smp_lock.h>
 #include <linux/types.h>
 
 #include <asm/io.h>
@@ -130,8 +131,7 @@ static int vme_user_release(struct inode *, struct file *);
 static ssize_t vme_user_read(struct file *, char *, size_t, loff_t *);
 static ssize_t vme_user_write(struct file *, const char *, size_t, loff_t *);
 static loff_t vme_user_llseek(struct file *, loff_t, int);
-static int vme_user_ioctl(struct inode *, struct file *, unsigned int,
-	unsigned long);
+static long vme_user_unlocked_ioctl(struct file *, unsigned int, unsigned long);
 
 static int __init vme_user_probe(struct device *, int, int);
 static int __exit vme_user_remove(struct device *, int, int);
@@ -142,7 +142,7 @@ static struct file_operations vme_user_fops = {
         .read = vme_user_read,
         .write = vme_user_write,
         .llseek = vme_user_llseek,
-        .ioctl = vme_user_ioctl,
+        .unlocked_ioctl = vme_user_unlocked_ioctl,
 };
 
 
@@ -555,6 +555,18 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
 	return -EINVAL;
 }
 
+static long
+vme_user_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = vme_user_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 
 /*
  * Unallocate a previously allocated buffer

From 25f1a98bfd0b2a097c8477e4b7bdf6dccf3886b6 Mon Sep 17 00:00:00 2001
From: Jason Wong <tsanghan@gmail.com>
Date: Sat, 13 Mar 2010 00:32:33 +0800
Subject: [PATCH 0867/3638] Staging: comedi: amplc_pci230: fix brace coding
 style issue

Fixed multiple brace coding style issue.

Signed-off-by: Jason Wong <tsanghan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/amplc_pci230.c | 132 +++++++++---------
 1 file changed, 66 insertions(+), 66 deletions(-)

diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index 091a1a5822a..7fffd967d47 100644
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -669,9 +669,9 @@ static short pci230_ai_read(struct comedi_device *dev)
 
 	/* If a bipolar range was specified, mangle it (twos
 	 * complement->straight binary). */
-	if (devpriv->ai_bipolar) {
+	if (devpriv->ai_bipolar)
 		data ^= 1 << (thisboard->ai_bits - 1);
-	}
+
 	return data;
 }
 
@@ -680,9 +680,9 @@ static inline unsigned short pci230_ao_mangle_datum(struct comedi_device *dev,
 {
 	/* If a bipolar range was specified, mangle it (straight binary->twos
 	 * complement). */
-	if (devpriv->ao_bipolar) {
+	if (devpriv->ao_bipolar)
 		datum ^= 1 << (thisboard->ao_bits - 1);
-	}
+
 
 	/* PCI230 is 12 bit - stored in upper bits of 16 bit register (lower
 	 * four bits reserved for expansion). */
@@ -734,9 +734,9 @@ static int pci230_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	/* Allocate the private structure area using alloc_private().
 	 * Macro defined in comedidev.h - memsets struct fields to 0. */
-	if ((alloc_private(dev, sizeof(struct pci230_private))) < 0) {
+	if ((alloc_private(dev, sizeof(struct pci230_private))) < 0)
 		return -ENOMEM;
-	}
+
 	spin_lock_init(&devpriv->isr_spinlock);
 	spin_lock_init(&devpriv->res_spinlock);
 	spin_lock_init(&devpriv->ai_stop_spinlock);
@@ -991,9 +991,9 @@ static int pci230_detach(struct comedi_device *dev)
 
 	if (devpriv) {
 		if (devpriv->pci_dev) {
-			if (dev->iobase) {
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
+
 			pci_dev_put(devpriv->pci_dev);
 		}
 	}
@@ -1055,9 +1055,9 @@ static void put_resources(struct comedi_device *dev, unsigned int res_mask,
 	     && (res_mask != 0); b <<= 1, i++) {
 		if ((res_mask & b) != 0) {
 			res_mask &= ~b;
-			if (devpriv->res_owner[i] == owner) {
+			if (devpriv->res_owner[i] == owner)
 				devpriv->res_owner[i] = OWNER_NONE;
-			}
+
 		}
 	}
 	spin_unlock_irqrestore(&devpriv->res_spinlock, irqflags);
@@ -1132,11 +1132,11 @@ static int pci230_ai_rinsn(struct comedi_device *dev,
 	}
 	devpriv->adcg = (devpriv->adcg & ~(3 << gainshift))
 	    | (pci230_ai_gain[range] << gainshift);
-	if (devpriv->ai_bipolar) {
+	if (devpriv->ai_bipolar)
 		adccon |= PCI230_ADC_IR_BIP;
-	} else {
+	else
 		adccon |= PCI230_ADC_IR_UNI;
-	}
+
 
 	/* Enable only this channel in the scan list - otherwise by default
 	 * we'll get one sample from each channel. */
@@ -1408,13 +1408,13 @@ static int pci230_ao_cmdtest(struct comedi_device *dev,
 			chan = CR_CHAN(cmd->chanlist[n]);
 			range = CR_RANGE(cmd->chanlist[n]);
 			/* Channel numbers must strictly increase. */
-			if (chan < prev_chan) {
+			if (chan < prev_chan)
 				errors |= seq_err;
-			}
+
 			/* Ranges must be the same. */
-			if (range != first_range) {
+			if (range != first_range)
 				errors |= range_err;
-			}
+
 			prev_chan = chan;
 		}
 		if (errors != 0) {
@@ -1583,9 +1583,9 @@ static int pci230_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	if (cmd->scan_begin_src == TRIG_TIMER) {
 		/* Claim Z2-CT1. */
-		if (!get_one_resource(dev, RES_Z2CT1, OWNER_AOCMD)) {
+		if (!get_one_resource(dev, RES_Z2CT1, OWNER_AOCMD))
 			return -EBUSY;
-		}
+
 	}
 
 	/* Get number of scans required. */
@@ -1609,9 +1609,9 @@ static int pci230_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		unsigned int i;
 
 		dacen = 0;
-		for (i = 0; i < cmd->chanlist_len; i++) {
+		for (i = 0; i < cmd->chanlist_len; i++)
 			dacen |= 1 << CR_CHAN(cmd->chanlist[i]);
-		}
+
 		/* Set channel scan list. */
 		outw(dacen, dev->iobase + PCI230P2_DACEN);
 		/*
@@ -1656,9 +1656,9 @@ static int pci230_ai_check_scan_period(struct comedi_cmd *cmd)
 	int err = 0;
 
 	chanlist_len = cmd->chanlist_len;
-	if (cmd->chanlist_len == 0) {
+	if (cmd->chanlist_len == 0)
 		chanlist_len = 1;
-	}
+
 	min_scan_period = chanlist_len * cmd->convert_arg;
 	if ((min_scan_period < chanlist_len)
 	    || (min_scan_period < cmd->convert_arg)) {
@@ -1777,11 +1777,11 @@ static int pci230_ai_cmdtest(struct comedi_device *dev,
 			 * single-ended or pseudo-differential. */
 			if (cmd->chanlist && (cmd->chanlist_len > 0)) {
 				/* Peek analogue reference of first channel. */
-				if (CR_AREF(cmd->chanlist[0]) == AREF_DIFF) {
+				if (CR_AREF(cmd->chanlist[0]) == AREF_DIFF)
 					max_speed_ai = MAX_SPEED_AI_DIFF;
-				} else {
+				else
 					max_speed_ai = MAX_SPEED_AI_SE;
-				}
+
 			} else {
 				/* No channel list.  Assume single-ended. */
 				max_speed_ai = MAX_SPEED_AI_SE;
@@ -1871,9 +1871,9 @@ static int pci230_ai_cmdtest(struct comedi_device *dev,
 		}
 	} else if (cmd->scan_begin_src == TRIG_TIMER) {
 		/* N.B. cmd->convert_arg is also TRIG_TIMER */
-		if (!pci230_ai_check_scan_period(cmd)) {
+		if (!pci230_ai_check_scan_period(cmd))
 			err++;
-		}
+
 	} else {
 		if (cmd->scan_begin_arg != 0) {
 			cmd->scan_begin_arg = 0;
@@ -1961,13 +1961,13 @@ static int pci230_ai_cmdtest(struct comedi_device *dev,
 					errors |= seq_err;
 				}
 				/* Channels must have same AREF. */
-				if (aref != prev_aref) {
+				if (aref != prev_aref)
 					errors |= aref_err;
-				}
+
 				/* Channel ranges must have same polarity. */
-				if (polarity != prev_polarity) {
+				if (polarity != prev_polarity)
 					errors |= polarity_err;
-				}
+
 				/* Single-ended channel pairs must have same
 				 * range.  */
 				if ((aref != AREF_DIFF)
@@ -1987,9 +1987,9 @@ static int pci230_ai_cmdtest(struct comedi_device *dev,
 		}
 		/* If channel list is a repeating subsequence, need a whole
 		 * number of repeats. */
-		if ((n % subseq_len) != 0) {
+		if ((n % subseq_len) != 0)
 			errors |= seq_err;
-		}
+
 		if ((devpriv->hwver > 0) && (devpriv->hwver < 4)) {
 			/*
 			 * Buggy PCI230+ or PCI260+ requires channel 0 to be
@@ -2228,9 +2228,9 @@ static void pci230_ai_start(struct comedi_device *dev,
 		devpriv->adccon = (devpriv->adccon & ~PCI230_ADC_TRIG_MASK)
 		    | conv;
 		outw(devpriv->adccon, dev->iobase + PCI230_ADCCON);
-		if (cmd->convert_src == TRIG_INT) {
+		if (cmd->convert_src == TRIG_INT)
 			async->inttrig = pci230_ai_inttrig_convert;
-		}
+
 		/* Update FIFO interrupt trigger level, which is currently
 		 * set to "full".  */
 		pci230_ai_update_fifo_trigger_level(dev, s);
@@ -2345,9 +2345,9 @@ static int pci230_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		}
 	}
 	/* Claim resources. */
-	if (!get_resources(dev, res_mask, OWNER_AICMD)) {
+	if (!get_resources(dev, res_mask, OWNER_AICMD))
 		return -EBUSY;
-	}
+
 
 	/* Get number of scans required. */
 	if (cmd->stop_src == TRIG_COUNT) {
@@ -2392,11 +2392,11 @@ static int pci230_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	range = CR_RANGE(cmd->chanlist[0]);
 	devpriv->ai_bipolar = pci230_ai_bipolar[range];
-	if (devpriv->ai_bipolar) {
+	if (devpriv->ai_bipolar)
 		adccon |= PCI230_ADC_IR_BIP;
-	} else {
+	else
 		adccon |= PCI230_ADC_IR_UNI;
-	}
+
 	for (i = 0; i < cmd->chanlist_len; i++) {
 		unsigned int gainshift;
 
@@ -2543,9 +2543,9 @@ static unsigned int pci230_choose_clk_count(uint64_t ns, unsigned int *count,
 
 	for (clk_src = CLK_10MHZ;; clk_src++) {
 		cnt = divide_ns(ns, pci230_timebase[clk_src], round_mode);
-		if ((cnt <= 65536) || (clk_src == CLK_1KHZ)) {
+		if ((cnt <= 65536) || (clk_src == CLK_1KHZ))
 			break;
-		}
+
 	}
 	*count = cnt;
 	return clk_src;
@@ -2575,9 +2575,9 @@ static void pci230_ct_setup_ns_mode(struct comedi_device *dev, unsigned int ct,
 	/* Program clock source. */
 	outb(CLK_CONFIG(ct, clk_src), devpriv->iobase1 + PCI230_ZCLK_SCE);
 	/* Set initial count. */
-	if (count >= 65536) {
+	if (count >= 65536)
 		count = 0;
-	}
+
 	i8254_write(devpriv->iobase1 + PCI230_Z2_CT_BASE, 0, ct, count);
 }
 
@@ -2599,9 +2599,9 @@ static irqreturn_t pci230_interrupt(int irq, void *d)
 	/* Read interrupt status/enable register. */
 	status_int = inb(devpriv->iobase1 + PCI230_INT_STAT);
 
-	if (status_int == PCI230_INT_DISABLE) {
+	if (status_int == PCI230_INT_DISABLE)
 		return IRQ_NONE;
-	}
+
 
 	spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 	valid_status_int = devpriv->int_en & status_int;
@@ -2660,9 +2660,9 @@ static void pci230_handle_ao_nofifo(struct comedi_device *dev,
 	struct comedi_async *async = s->async;
 	struct comedi_cmd *cmd = &async->cmd;
 
-	if (!devpriv->ao_continuous && (devpriv->ao_scan_count == 0)) {
+	if (!devpriv->ao_continuous && (devpriv->ao_scan_count == 0))
 		return;
-	}
+
 
 	for (i = 0; i < cmd->chanlist_len; i++) {
 		/* Read sample from Comedi's circular buffer. */
@@ -2711,9 +2711,9 @@ static int pci230_handle_ao_fifo(struct comedi_device *dev,
 	num_scans = comedi_buf_read_n_available(async) / bytes_per_scan;
 	if (!devpriv->ao_continuous) {
 		/* Fixed number of scans. */
-		if (num_scans > devpriv->ao_scan_count) {
+		if (num_scans > devpriv->ao_scan_count)
 			num_scans = devpriv->ao_scan_count;
-		}
+
 		if (devpriv->ao_scan_count == 0) {
 			/* End of acquisition. */
 			events |= COMEDI_CB_EOA;
@@ -2736,21 +2736,21 @@ static int pci230_handle_ao_fifo(struct comedi_device *dev,
 	}
 	if (events == 0) {
 		/* Determine how much room is in the FIFO (in samples). */
-		if ((dacstat & PCI230P2_DAC_FIFO_FULL) != 0) {
+		if ((dacstat & PCI230P2_DAC_FIFO_FULL) != 0)
 			room = PCI230P2_DAC_FIFOROOM_FULL;
-		} else if ((dacstat & PCI230P2_DAC_FIFO_HALF) != 0) {
+		else if ((dacstat & PCI230P2_DAC_FIFO_HALF) != 0)
 			room = PCI230P2_DAC_FIFOROOM_HALFTOFULL;
-		} else if ((dacstat & PCI230P2_DAC_FIFO_EMPTY) != 0) {
+		else if ((dacstat & PCI230P2_DAC_FIFO_EMPTY) != 0)
 			room = PCI230P2_DAC_FIFOROOM_EMPTY;
-		} else {
+		else
 			room = PCI230P2_DAC_FIFOROOM_ONETOHALF;
-		}
+
 		/* Convert room to number of scans that can be added. */
 		room /= cmd->chanlist_len;
 		/* Determine number of scans to process. */
-		if (num_scans > room) {
+		if (num_scans > room)
 			num_scans = room;
-		}
+
 		/* Process scans. */
 		for (n = 0; n < num_scans; n++) {
 			for (i = 0; i < cmd->chanlist_len; i++) {
@@ -2817,14 +2817,14 @@ static void pci230_handle_ai(struct comedi_device *dev,
 	} else {
 		todo = (devpriv->ai_scan_count * scanlen)
 		    - devpriv->ai_scan_pos;
-		if (todo > PCI230_ADC_FIFOLEVEL_HALFFULL) {
+		if (todo > PCI230_ADC_FIFOLEVEL_HALFFULL)
 			todo = PCI230_ADC_FIFOLEVEL_HALFFULL;
-		}
+
 	}
 
-	if (todo == 0) {
+	if (todo == 0)
 		return;
-	}
+
 
 	fifoamount = 0;
 	for (i = 0; i < todo; i++) {
@@ -2906,9 +2906,9 @@ static void pci230_ao_stop(struct comedi_device *dev,
 	spin_lock_irqsave(&devpriv->ao_stop_spinlock, irqflags);
 	started = test_and_clear_bit(AO_CMD_STARTED, &devpriv->state);
 	spin_unlock_irqrestore(&devpriv->ao_stop_spinlock, irqflags);
-	if (!started) {
+	if (!started)
 		return;
-	}
+
 
 	cmd = &s->async->cmd;
 	if (cmd->scan_begin_src == TRIG_TIMER) {
@@ -2968,9 +2968,9 @@ static void pci230_ai_stop(struct comedi_device *dev,
 	spin_lock_irqsave(&devpriv->ai_stop_spinlock, irqflags);
 	started = test_and_clear_bit(AI_CMD_STARTED, &devpriv->state);
 	spin_unlock_irqrestore(&devpriv->ai_stop_spinlock, irqflags);
-	if (!started) {
+	if (!started)
 		return;
-	}
+
 
 	cmd = &s->async->cmd;
 	if (cmd->convert_src == TRIG_TIMER) {

From 0686e4f4a2e6f33c418c8d57d9a4fc82b89557b2 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Thu, 11 Mar 2010 23:51:23 +0100
Subject: [PATCH 0868/3638] Staging: hv: trivial whitespace fixes found by
 checkpatch.pl

Signed-off-by: Lars Lindley <lindley@coyote.org>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Connection.c  |  4 ++--
 drivers/staging/hv/NetVsc.c      |  4 ++--
 drivers/staging/hv/RingBuffer.c  |  2 +-
 drivers/staging/hv/StorVsc.c     |  4 ++--
 drivers/staging/hv/VersionInfo.h |  4 ++--
 drivers/staging/hv/blkvsc_drv.c  | 10 +++++-----
 drivers/staging/hv/rndis.h       |  2 +-
 drivers/staging/hv/storvsc_drv.c |  4 ++--
 drivers/staging/hv/vmbus_drv.c   | 14 +++++++-------
 9 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c
index cf9c416e4b1..dbf00560e0a 100644
--- a/drivers/staging/hv/Connection.c
+++ b/drivers/staging/hv/Connection.c
@@ -259,8 +259,8 @@ static void VmbusProcessChannelEvent(void *context)
 		VmbusChannelOnChannelEvent(channel);
 		/*
 		 * WorkQueueQueueWorkItem(channel->dataWorkQueue,
-		 * 			  VmbusChannelOnChannelEvent,
-		 * 			  (void*)channel);
+		 *			  VmbusChannelOnChannelEvent,
+		 *			  (void*)channel);
 		 */
 	} else {
 		DPRINT_ERR(VMBUS, "channel not found for relid - %d.", relId);
diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index e1ca343119d..f84942df3bb 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -1087,7 +1087,7 @@ static void NetVscOnReceive(struct hv_device *Device,
 	}
 
 	/* Remove the 1st packet to represent the xfer page packet itself */
-	xferpagePacket = (struct xferpage_packet*)listHead.next;
+	xferpagePacket = (struct xferpage_packet *)listHead.next;
 	list_del(&xferpagePacket->ListEntry);
 
 	/* This is how much we can satisfy */
@@ -1103,7 +1103,7 @@ static void NetVscOnReceive(struct hv_device *Device,
 
 	/* Each range represents 1 RNDIS pkt that contains 1 ethernet frame */
 	for (i = 0; i < (count - 1); i++) {
-		netvscPacket = (struct hv_netvsc_packet*)listHead.next;
+		netvscPacket = (struct hv_netvsc_packet *)listHead.next;
 		list_del(&netvscPacket->ListEntry);
 
 		/* Initialize the netvsc packet */
diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/RingBuffer.c
index 80b8a2c7784..08b3c5567e9 100644
--- a/drivers/staging/hv/RingBuffer.c
+++ b/drivers/staging/hv/RingBuffer.c
@@ -32,7 +32,7 @@
 
 
 /* Amount of space to write to */
-#define BYTES_AVAIL_TO_WRITE(r, w, z) ((w) >= (r))?((z) - ((w) - (r))):((r) - (w))
+#define BYTES_AVAIL_TO_WRITE(r, w, z) ((w) >= (r)) ? ((z) - ((w) - (r))) : ((r) - (w))
 
 
 /*++
diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/StorVsc.c
index 3592ba2a44b..7372317fe83 100644
--- a/drivers/staging/hv/StorVsc.c
+++ b/drivers/staging/hv/StorVsc.c
@@ -554,7 +554,7 @@ static int StorVscOnDeviceAdd(struct hv_device *Device, void *AdditionalInfo)
 
 	/* Save the channel properties to our storvsc channel */
 	/* props = (struct vmstorage_channel_properties *)
-	 * 		channel->offerMsg.Offer.u.Standard.UserDefined; */
+	 *		channel->offerMsg.Offer.u.Standard.UserDefined; */
 
 	/* FIXME: */
 	/*
@@ -717,7 +717,7 @@ static int StorVscOnIORequest(struct hv_device *Device,
 	}
 
 	/* print_hex_dump_bytes("", DUMP_PREFIX_NONE, Request->Cdb,
-	 * 			Request->CdbLen); */
+	 *			Request->CdbLen); */
 
 	requestExtension->Request = Request;
 	requestExtension->Device  = Device;
diff --git a/drivers/staging/hv/VersionInfo.h b/drivers/staging/hv/VersionInfo.h
index 10d7b19a485..82e74b1ab15 100644
--- a/drivers/staging/hv/VersionInfo.h
+++ b/drivers/staging/hv/VersionInfo.h
@@ -29,11 +29,11 @@
  *
  * Definition of versioning is as follows;
  *
- * 	Major Number 	Changes for these scenarios;
+ *	Major Number	Changes for these scenarios;
  *			1.	When a new version of Windows Hyper-V
  *				is released.
  *			2.	A Major change has occurred in the
- *			       	Linux IC's.
+ *				Linux IC's.
  *			(For example the merge for the first time
  *			into the kernel) Every time the Major Number
  *			changes, the Revision number is reset to 0.
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index e80cae78b26..8f8637e51d9 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -555,7 +555,7 @@ static int blkvsc_do_inquiry(struct block_device_context *blkdev)
 		blkdev->device_type = UNKNOWN_DEV_TYPE;
 	}
 
-	DPRINT_DBG(BLKVSC_DRV, "device type %d \n", device_type);
+	DPRINT_DBG(BLKVSC_DRV, "device type %d\n", device_type);
 
 	blkdev->device_id_len = buf[7];
 	if (blkdev->device_id_len > 64)
@@ -940,7 +940,7 @@ static int blkvsc_do_request(struct block_device_context *blkdev,
 	int pending = 0;
 	struct blkvsc_request_group *group = NULL;
 
-	DPRINT_DBG(BLKVSC_DRV, "blkdev %p req %p sect %lu \n", blkdev, req,
+	DPRINT_DBG(BLKVSC_DRV, "blkdev %p req %p sect %lu\n", blkdev, req,
 		  (unsigned long)blk_rq_pos(req));
 
 	/* Create a group to tie req to list of blkvsc_reqs */
@@ -1144,7 +1144,7 @@ static void blkvsc_request_completion(struct hv_storvsc_request *request)
 					 &blkvsc_req->group->blkvsc_req_list,
 					 req_entry) {
 			DPRINT_DBG(BLKVSC_DRV, "completing blkvsc_req %p "
-				   "sect_start %lu sect_count %ld \n",
+				   "sect_start %lu sect_count %ld\n",
 				   comp_req,
 				   (unsigned long)comp_req->sector_start,
 				   comp_req->sector_count);
@@ -1198,7 +1198,7 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev)
 					 &pend_req->group->blkvsc_req_list,
 					 req_entry) {
 			DPRINT_DBG(BLKVSC_DRV, "completing blkvsc_req %p "
-				   "sect_start %lu sect_count %ld \n",
+				   "sect_start %lu sect_count %ld\n",
 				   comp_req,
 				   (unsigned long) comp_req->sector_start,
 				   comp_req->sector_count);
@@ -1276,7 +1276,7 @@ static void blkvsc_request(struct request_queue *queue)
 	struct request *req;
 	int ret = 0;
 
-	DPRINT_DBG(BLKVSC_DRV, "- enter \n");
+	DPRINT_DBG(BLKVSC_DRV, "- enter\n");
 	while ((req = blk_peek_request(queue)) != NULL) {
 		DPRINT_DBG(BLKVSC_DRV, "- req %p\n", req);
 
diff --git a/drivers/staging/hv/rndis.h b/drivers/staging/hv/rndis.h
index 7c73277c1f9..723e1f15b90 100644
--- a/drivers/staging/hv/rndis.h
+++ b/drivers/staging/hv/rndis.h
@@ -622,7 +622,7 @@ struct rndis_message {
 /* get the size of an RNDIS message. Pass in the message type, */
 /* struct rndis_set_request, struct rndis_packet for example */
 #define RNDIS_MESSAGE_SIZE(Message)				\
-	(sizeof(Message) + (sizeof(struct rndis_message) - 	\
+	(sizeof(Message) + (sizeof(struct rndis_message) -	\
 	 sizeof(union rndis_message_container)))
 
 /* get pointer to info buffer with message pointer */
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 63360b27f5c..5e28e4c3643 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -112,7 +112,7 @@ static struct scsi_host_template scsi_driver = {
 	.slave_configure =	storvsc_device_configure,
 	.cmd_per_lun =		1,
 	/* 64 max_queue * 1 target */
-	.can_queue = 		STORVSC_MAX_IO_REQUESTS*STORVSC_MAX_TARGETS,
+	.can_queue =		STORVSC_MAX_IO_REQUESTS*STORVSC_MAX_TARGETS,
 	.this_id =		-1,
 	/* no use setting to 0 since ll_blk_rw reset it to 1 */
 	/* currently 32 */
@@ -767,7 +767,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 		request->DataBuffer.Offset = sgl[0].offset;
 
 		for (i = 0; i < scsi_sg_count(scmnd); i++) {
-			DPRINT_DBG(STORVSC_DRV, "sgl[%d] len %d offset %d \n",
+			DPRINT_DBG(STORVSC_DRV, "sgl[%d] len %d offset %d\n",
 				   i, sgl[i].length, sgl[i].offset);
 			request->DataBuffer.PfnArray[i] =
 					page_to_pfn(sg_page((&sgl[i])));
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index 2ff61b86201..d2a82aa3bbd 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -237,13 +237,13 @@ static ssize_t vmbus_show_device_attr(struct device *dev,
  * vmbus_bus_init -Main vmbus driver initialization routine.
  *
  * Here, we
- * 	- initialize the vmbus driver context
- * 	- setup various driver entry points
- * 	- invoke the vmbus hv main init routine
- * 	- get the irq resource
- * 	- invoke the vmbus to add the vmbus root device
- * 	- setup the vmbus root device
- * 	- retrieve the channel offers
+ *	- initialize the vmbus driver context
+ *	- setup various driver entry points
+ *	- invoke the vmbus hv main init routine
+ *	- get the irq resource
+ *	- invoke the vmbus to add the vmbus root device
+ *	- setup the vmbus root device
+ *	- retrieve the channel offers
  */
 static int vmbus_bus_init(int (*drv_init)(struct hv_driver *drv))
 {

From 2a613e41ec7684ba863d54a9df3d964e2c7aa4c1 Mon Sep 17 00:00:00 2001
From: Wouter Van Rooy <wouter.vanrooy@gmail.com>
Date: Thu, 11 Mar 2010 20:51:14 +0100
Subject: [PATCH 0869/3638] Staging: cx25821 fixed C99 comments, white spaces
 and unnecessary braces

This patch fixes some C99 style comments, trailing white spaces and some
unnecessary 'if' braces found by checkpatch.pl

Signed-off-by: Wouter Van Rooy <wouter.vanrooy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/cx25821/cx25821-alsa.c | 72 ++++++++++++++------------
 1 file changed, 39 insertions(+), 33 deletions(-)

diff --git a/drivers/staging/cx25821/cx25821-alsa.c b/drivers/staging/cx25821/cx25821-alsa.c
index 061add30ba8..f5a7719b9b9 100644
--- a/drivers/staging/cx25821/cx25821-alsa.c
+++ b/drivers/staging/cx25821/cx25821-alsa.c
@@ -42,10 +42,10 @@
 
 #define AUDIO_SRAM_CHANNEL	SRAM_CH08
 
-#define dprintk(level,fmt, arg...)	if (debug >= level) \
+#define dprintk(level, fmt, arg...)	if (debug >= level) \
 	printk(KERN_INFO "%s/1: " fmt, chip->dev->name , ## arg)
 
-#define dprintk_core(level,fmt, arg...)	if (debug >= level) \
+#define dprintk_core(level, fmt, arg...)	if (debug >= level) \
 	printk(KERN_DEBUG "%s/1: " fmt, chip->dev->name , ## arg)
 
 /****************************************************************************
@@ -105,7 +105,7 @@ MODULE_PARM_DESC(index, "Index value for cx25821 capture interface(s).");
 MODULE_DESCRIPTION("ALSA driver module for cx25821 based capture cards");
 MODULE_AUTHOR("Hiep Huynh");
 MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{Conexant,25821}");	//"{{Conexant,23881},"
+MODULE_SUPPORTED_DEVICE("{{Conexant,25821}");	/*"{{Conexant,23881},"*/
 
 static unsigned int debug;
 module_param(debug, int, 0644);
@@ -135,7 +135,7 @@ MODULE_PARM_DESC(debug, "enable debug messages");
  * BOARD Specific: Sets audio DMA
  */
 
-static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
+static int _cx25821_start_audio_dma(snd_cx25821_card_t *chip)
 {
 	struct cx25821_buffer *buf = chip->buf;
 	struct cx25821_dev *dev = chip->dev;
@@ -143,7 +143,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
 	    &cx25821_sram_channels[AUDIO_SRAM_CHANNEL];
 	u32 tmp = 0;
 
-	// enable output on the GPIO 0 for the MCLK ADC (Audio)
+	/* enable output on the GPIO 0 for the MCLK ADC (Audio) */
 	cx25821_set_gpiopin_direction(chip->dev, 0, 0);
 
 	/* Make sure RISC/FIFO are off before changing FIFO/RISC settings */
@@ -158,18 +158,22 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
 	cx_write(AUD_A_LNGTH, buf->bpl);
 
 	/* reset counter */
-	cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);	//GP_COUNT_CONTROL_RESET = 0x3
+	cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);
+	/* GP_COUNT_CONTROL_RESET = 0x3 */
+
 	atomic_set(&chip->count, 0);
 
-	//Set the input mode to 16-bit
+	/* Set the input mode to 16-bit */
 	tmp = cx_read(AUD_A_CFG);
 	cx_write(AUD_A_CFG,
 		 tmp | FLD_AUD_DST_PK_MODE | FLD_AUD_DST_ENABLE |
 		 FLD_AUD_CLK_ENABLE);
 
-	//printk(KERN_INFO "DEBUG: Start audio DMA, %d B/line, cmds_start(0x%x)= %d lines/FIFO, %d periods, %d "
-	//      "byte buffer\n", buf->bpl, audio_ch->cmds_start, cx_read(audio_ch->cmds_start + 12)>>1,
-	//      chip->num_periods, buf->bpl * chip->num_periods);
+	/*printk(KERN_INFO "DEBUG: Start audio DMA, %d B/line, "
+			"cmds_start(0x%x)= %d lines/FIFO, %d periods, %d "
+			"byte buffer\n", buf->bpl, audio_ch->cmds_start, "
+			"cx_read(audio_ch->cmds_start + 12)>>1,
+		      chip->num_periods, buf->bpl * chip->num_periods);*/
 
 	/* Enables corresponding bits at AUD_INT_STAT */
 	cx_write(AUD_A_INT_MSK,
@@ -182,7 +186,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
 	/* enable audio irqs */
 	cx_set(PCI_INT_MSK, chip->dev->pci_irqmask | PCI_MSK_AUD_INT);
 
-	// Turn on audio downstream fifo and risc enable 0x101
+	/* Turn on audio downstream fifo and risc enable 0x101 */
 	tmp = cx_read(AUD_INT_DMA_CTL);
 	cx_set(AUD_INT_DMA_CTL,
 	       tmp | (FLD_AUD_DST_A_RISC_EN | FLD_AUD_DST_A_FIFO_EN));
@@ -194,7 +198,7 @@ static int _cx25821_start_audio_dma(snd_cx25821_card_t * chip)
 /*
  * BOARD Specific: Resets audio DMA
  */
-static int _cx25821_stop_audio_dma(snd_cx25821_card_t * chip)
+static int _cx25821_stop_audio_dma(snd_cx25821_card_t *chip)
 {
 	struct cx25821_dev *dev = chip->dev;
 
@@ -232,13 +236,12 @@ static char *cx25821_aud_irqs[32] = {
 /*
  * BOARD Specific: Threats IRQ audio specific calls
  */
-static void cx25821_aud_irq(snd_cx25821_card_t * chip, u32 status, u32 mask)
+static void cx25821_aud_irq(snd_cx25821_card_t *chip, u32 status, u32 mask)
 {
 	struct cx25821_dev *dev = chip->dev;
 
-	if (0 == (status & mask)) {
+	if (0 == (status & mask))
 		return;
-	}
 
 	cx_write(AUD_A_INT_STAT, status);
 	if (debug > 1 || (status & mask & ~0xff))
@@ -318,11 +321,11 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id)
 	if (handled)
 		cx_write(PCI_INT_STAT, pci_status);
 
-      out:
+out:
 	return IRQ_RETVAL(handled);
 }
 
-static int dsp_buffer_free(snd_cx25821_card_t * chip)
+static int dsp_buffer_free(snd_cx25821_card_t *chip)
 {
 	BUG_ON(!chip->dma_size);
 
@@ -363,7 +366,8 @@ static struct snd_pcm_hardware snd_cx25821_digital_hw = {
 	.period_bytes_max = DEFAULT_FIFO_SIZE / 3,
 	.periods_min = 1,
 	.periods_max = AUDIO_LINE_SIZE,
-	.buffer_bytes_max = (AUDIO_LINE_SIZE * AUDIO_LINE_SIZE),	//128*128 = 16384 = 1024 * 16
+	.buffer_bytes_max = (AUDIO_LINE_SIZE * AUDIO_LINE_SIZE),
+	/* 128*128 = 16384 = 1024 * 16 */
 };
 
 /*
@@ -393,18 +397,20 @@ static int snd_cx25821_pcm_open(struct snd_pcm_substream *substream)
 
 	if (cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size !=
 	    DEFAULT_FIFO_SIZE) {
-		bpl = cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size / 3;	//since there are 3 audio Clusters
+		/* since there are 3 audio Clusters */
+		bpl = cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size / 3;
+
 		bpl &= ~7;	/* must be multiple of 8 */
 
-		if (bpl > AUDIO_LINE_SIZE) {
+		if (bpl > AUDIO_LINE_SIZE)
 			bpl = AUDIO_LINE_SIZE;
-		}
+
 		runtime->hw.period_bytes_min = bpl;
 		runtime->hw.period_bytes_max = bpl;
 	}
 
 	return 0;
-      _error:
+_error:
 	dprintk(1, "Error opening PCM!\n");
 	return err;
 }
@@ -445,9 +451,9 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
 	if (NULL == buf)
 		return -ENOMEM;
 
-	if (chip->period_size > AUDIO_LINE_SIZE) {
+	if (chip->period_size > AUDIO_LINE_SIZE)
 		chip->period_size = AUDIO_LINE_SIZE;
-	}
+
 
 	buf->vb.memory = V4L2_MEMORY_MMAP;
 	buf->vb.field = V4L2_FIELD_NONE;
@@ -474,7 +480,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
 					  buf->vb.width, buf->vb.height, 1);
 	if (ret < 0) {
 		printk(KERN_INFO
-		       "DEBUG: ERROR after cx25821_risc_databuffer_audio() \n");
+		       "DEBUG: ERROR after cx25821_risc_databuffer_audio()\n");
 		goto error;
 	}
 
@@ -494,7 +500,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
 
 	return 0;
 
-      error:
+error:
 	kfree(buf);
 	return ret;
 }
@@ -593,10 +599,10 @@ static struct snd_pcm_ops snd_cx25821_pcm_ops = {
 };
 
 /*
- * ALSA create a PCM device:  Called when initializing the board. Sets up the name and hooks up
- *  the callbacks
+ * ALSA create a PCM device:  Called when initializing the board.
+ * Sets up the name and hooks up the callbacks
  */
-static int snd_cx25821_pcm(snd_cx25821_card_t * chip, int device, char *name)
+static int snd_cx25821_pcm(snd_cx25821_card_t *chip, int device, char *name)
 {
 	struct snd_pcm *pcm;
 	int err;
@@ -655,7 +661,7 @@ static void snd_cx25821_dev_free(struct snd_card *card)
 {
 	snd_cx25821_card_t *chip = card->private_data;
 
-	//snd_cx25821_free(chip);
+	/*snd_cx25821_free(chip);*/
 	snd_card_free(chip->card);
 }
 
@@ -671,13 +677,13 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
 	if (devno >= SNDRV_CARDS) {
 		printk(KERN_INFO "DEBUG ERROR: devno >= SNDRV_CARDS %s\n",
 		       __func__);
-		return (-ENODEV);
+		return -ENODEV;
 	}
 
 	if (!enable[devno]) {
 		++devno;
 		printk(KERN_INFO "DEBUG ERROR: !enable[devno] %s\n", __func__);
-		return (-ENOENT);
+		return -ENOENT;
 	}
 
 	err = snd_card_create(index[devno], id[devno], THIS_MODULE,
@@ -741,7 +747,7 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
 	devno++;
 	return 0;
 
-      error:
+error:
 	snd_card_free(card);
 	return err;
 }

From ee21350fae9333acc11e3b1b77c887fd94e450f5 Mon Sep 17 00:00:00 2001
From: Robert Babilon <robert.babilon@gmail.com>
Date: Thu, 11 Mar 2010 13:45:35 -0600
Subject: [PATCH 0870/3638] Staging: comedi: fix export symbol warnings in
 ni_daq_700.c

This is a patch to the ni_daq_700.c file that fixes several EXPORT_SYMBOL
warnings found by the checkpatch.pl tool

Signed-off-by: Robert Babilon <robert.babilon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/ni_daq_700.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index 7ea64538e05..7844203c1ed 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -145,6 +145,7 @@ void subdev_700_interrupt(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	comedi_event(dev, s);
 }
+EXPORT_SYMBOL(subdev_700_interrupt);
 
 static int subdev_700_cb(int dir, int port, int data, unsigned long arg)
 {
@@ -326,6 +327,7 @@ int subdev_700_init(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	return 0;
 }
+EXPORT_SYMBOL(subdev_700_init);
 
 int subdev_700_init_irq(struct comedi_device *dev, struct comedi_subdevice *s,
 			int (*cb) (int, int, int, unsigned long),
@@ -345,6 +347,7 @@ int subdev_700_init_irq(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	return 0;
 }
+EXPORT_SYMBOL(subdev_700_init_irq);
 
 void subdev_700_cleanup(struct comedi_device *dev, struct comedi_subdevice *s)
 {
@@ -353,11 +356,7 @@ void subdev_700_cleanup(struct comedi_device *dev, struct comedi_subdevice *s)
 
 			kfree(s->private);
 }
-
-EXPORT_SYMBOL(subdev_700_init);
-EXPORT_SYMBOL(subdev_700_init_irq);
 EXPORT_SYMBOL(subdev_700_cleanup);
-EXPORT_SYMBOL(subdev_700_interrupt);
 
 static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {

From 1b2e434e1b46c0414e9645cce6179e0fef5e388b Mon Sep 17 00:00:00 2001
From: John Sheehan <john.d.sheehan@gmail.com>
Date: Thu, 11 Mar 2010 17:32:33 +0000
Subject: [PATCH 0871/3638] Staging: comedi: fix coding style in range.c

add missing space before closing brace

Signed-off-by: John Sheehan <john.d.sheehan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/range.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index 8313dfcb673..188c4794803 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -29,7 +29,7 @@ const struct comedi_lrange range_bipolar5 = { 1, {BIP_RANGE(5)} };
 const struct comedi_lrange range_bipolar2_5 = { 1, {BIP_RANGE(2.5)} };
 const struct comedi_lrange range_unipolar10 = { 1, {UNI_RANGE(10)} };
 const struct comedi_lrange range_unipolar5 = { 1, {UNI_RANGE(5)} };
-const struct comedi_lrange range_unknown = { 1, {{0, 1000000, UNIT_none}} };
+const struct comedi_lrange range_unknown = { 1, {{0, 1000000, UNIT_none} } };
 
 /*
 	COMEDI_RANGEINFO

From 585f7682f975deb8c5a81e49257a315819913511 Mon Sep 17 00:00:00 2001
From: Andre Silva <andre.beat@gmail.com>
Date: Fri, 12 Mar 2010 15:28:15 +0000
Subject: [PATCH 0872/3638] Staging: arlan: fixed coding style issues in
 arlan-proc.c

This is a patch to the arlan-proc.c file that fixes up multiple coding
style errors and warnings found by the checkpatch.pl tool

Signed-off-by: Andre Silva <andre.beat@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/arlan/arlan-proc.c | 621 ++++++++++++++---------------
 1 file changed, 305 insertions(+), 316 deletions(-)

diff --git a/drivers/staging/arlan/arlan-proc.c b/drivers/staging/arlan/arlan-proc.c
index b22983e6c0c..62cd1d0b59e 100644
--- a/drivers/staging/arlan/arlan-proc.c
+++ b/drivers/staging/arlan/arlan-proc.c
@@ -9,48 +9,55 @@
 
 
 
-#define ARLAN_STR_SIZE 	0x2ff0
-#define DEV_ARLAN_INFO 	1
-#define DEV_ARLAN 	1
-#define SARLG(type,var) {\
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n", #var, READSHMB(priva->card->var));	\
+#define ARLAN_STR_SIZE 0x2ff0
+#define DEV_ARLAN_INFO 1
+#define DEV_ARLAN 1
+#define SARLG(type, var) {\
+	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n", #var,\
+		READSHMB(priva->card->var));\
 	}
 
-#define SARLBN(type,var,nn) {\
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x",#var);\
-	for (i=0; i < nn; i++ ) pos += sprintf(arlan_drive_info+pos, "%02x",READSHMB(priva->card->var[i]));\
-	pos += sprintf(arlan_drive_info+pos, "\n");	\
+#define SARLBN(type, var, nn) {\
+	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x", #var);\
+	for (i = 0; i < nn; i++)\
+		pos += sprintf(arlan_drive_info+pos, "%02x",\
+			READSHMB(priva->card->var[i]));\
+		pos += sprintf(arlan_drive_info+pos, "\n");\
 	}
 
-#define SARLBNpln(type,var,nn) {\
-	for (i=0; i < nn; i++ ) pos += sprintf(arlan_drive_info+pos, "%02x",READSHMB(priva->card->var[i]));\
+#define SARLBNpln(type, var, nn) {\
+	for (i = 0; i < nn; i++)\
+		pos += sprintf(arlan_drive_info+pos, "%02x",\
+			READSHMB(priva->card->var[i]));\
 	}
 
-#define SARLSTR(var,nn) {\
+#define SARLSTR(var, nn) {\
 	char tmpStr[400];\
 	int  tmpLn = nn;\
-	if (nn > 399 ) tmpLn = 399; \
-	memcpy(tmpStr,(char *) priva->conf->var,tmpLn);\
+	if (nn > 399)\
+		tmpLn = 399;\
+	memcpy(tmpStr, (char *) priva->conf->var, tmpLn);\
 	tmpStr[tmpLn] = 0; \
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t%s \n",#var,priva->conf->var);\
+	pos += sprintf(arlan_drive_info+pos, "%s\t=\t%s\n",\
+		#var, priva->conf->var);\
 	}
 
-#define SARLUC(var)  	SARLG(u_char, var)
-#define SARLUCN(var,nn) SARLBN(u_char,var, nn)
+#define SARLUC(var) SARLG(u_char, var)
+#define SARLUCN(var, nn) SARLBN(u_char, var, nn)
 #define SARLUS(var)	SARLG(u_short, var)
-#define SARLUSN(var,nn)	SARLBN(u_short,var, nn)
+#define SARLUSN(var, nn)	SARLBN(u_short, var, nn)
 #define SARLUI(var)	SARLG(u_int, var)
 
 #define SARLUSA(var) {\
 	u_short tmpVar;\
-	memcpy(&tmpVar, (short *) priva->conf->var,2); \
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n",#var, tmpVar);\
+	memcpy(&tmpVar, (short *) priva->conf->var, 2); \
+	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n", #var, tmpVar);\
 }
 
 #define SARLUIA(var) {\
 	u_int tmpVar;\
-	memcpy(&tmpVar, (int* )priva->conf->var,4); \
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n",#var, tmpVar);\
+	memcpy(&tmpVar, (int *)priva->conf->var, 4); \
+	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n", #var, tmpVar);\
 }
 
 
@@ -63,51 +70,51 @@ static const char *arlan_diagnostic_info_string(struct net_device *dev)
 
 	READSHM(diagnosticInfo, arlan->diagnosticInfo, u_char);
 
-	switch (diagnosticInfo)
-	{
-		case 0xFF:
+	switch (diagnosticInfo) {
+
+	case 0xFF:
 			return "Diagnostic info is OK";
-		case 0xFE:
-			return "ERROR EPROM Checksum error ";
-		case 0xFD:
-			return "ERROR Local Ram Test Failed ";
-		case 0xFC:
-			return "ERROR SCC failure ";
-		case 0xFB:
-			return "ERROR BackBone failure ";
-		case 0xFA:
-			return "ERROR transceiver not found ";
-		case 0xF9:
-			return "ERROR no more address space ";
-		case 0xF8:
-			return "ERROR Checksum error  ";
-		case 0xF7:
-			return "ERROR Missing SS Code";
-		case 0xF6:
-			return "ERROR Invalid config format";
-		case 0xF5:
-			return "ERROR Reserved errorcode F5";
-		case 0xF4:
-			return "ERROR Invalid spreading code/channel number";
-		case 0xF3:
-			return "ERROR Load Code Error";
-		case 0xF2:
-			return "ERROR Reserver errorcode F2 ";
-		case 0xF1:
-			return "ERROR Invalid command receivec by LAN card ";
-		case 0xF0:
-			return "ERROR Invalid parameter found in command ";
-		case 0xEF:
-			return "ERROR On-chip timer failure ";
-		case 0xEE:
-			return "ERROR T410 timer failure ";
-		case 0xED:
-			return "ERROR Too Many TxEnable commands ";
-		case 0xEC:
-			return "ERROR EEPROM error on radio module ";
-		default:
-			return "ERROR unknown Diagnostic info reply code ";
-	  }
+	case 0xFE:
+		return "ERROR EPROM Checksum error ";
+	case 0xFD:
+		return "ERROR Local Ram Test Failed ";
+	case 0xFC:
+		return "ERROR SCC failure ";
+	case 0xFB:
+		return "ERROR BackBone failure ";
+	case 0xFA:
+		return "ERROR transceiver not found ";
+	case 0xF9:
+		return "ERROR no more address space ";
+	case 0xF8:
+		return "ERROR Checksum error  ";
+	case 0xF7:
+		return "ERROR Missing SS Code";
+	case 0xF6:
+		return "ERROR Invalid config format";
+	case 0xF5:
+		return "ERROR Reserved errorcode F5";
+	case 0xF4:
+		return "ERROR Invalid spreading code/channel number";
+	case 0xF3:
+		return "ERROR Load Code Error";
+	case 0xF2:
+		return "ERROR Reserver errorcode F2 ";
+	case 0xF1:
+		return "ERROR Invalid command receivec by LAN card ";
+	case 0xF0:
+		return "ERROR Invalid parameter found in command ";
+	case 0xEF:
+		return "ERROR On-chip timer failure ";
+	case 0xEE:
+		return "ERROR T410 timer failure ";
+	case 0xED:
+		return "ERROR Too Many TxEnable commands ";
+	case 0xEC:
+		return "ERROR EEPROM error on radio module ";
+	default:
+		return "ERROR unknown Diagnostic info reply code ";
+	}
 }
 
 static const char *arlan_hardware_type_string(struct net_device *dev)
@@ -117,70 +124,69 @@ static const char *arlan_hardware_type_string(struct net_device *dev)
 	volatile struct arlan_shmem __iomem *arlan = priv->card;
 
 	READSHM(hardwareType, arlan->hardwareType, u_char);
-	switch (hardwareType)
-	{
-		case 0x00:
-			return "type A450";
-		case 0x01:
-			return "type A650 ";
-		case 0x04:
-			return "type TMA coproc";
-		case 0x0D:
-			return "type A650E ";
-		case 0x18:
-			return "type TMA coproc Australian";
-		case 0x19:
-			return "type A650A ";
-		case 0x26:
-			return "type TMA coproc European";
-		case 0x2E:
-			return "type A655 ";
-		case 0x2F:
-			return "type A655A ";
-		case 0x30:
-			return "type A655E ";
-		case 0x0B:
-			return "type A670 ";
-		case 0x0C:
-			return "type A670E ";
-		case 0x2D:
-			return "type A670A ";
-		case 0x0F:
-			return "type A411T";
-		case 0x16:
-			return "type A411TA";
-		case 0x1B:
-			return "type A440T";
-		case 0x1C:
-			return "type A412T";
-		case 0x1E:
-			return "type A412TA";
-		case 0x22:
-			return "type A411TE";
-		case 0x24:
-			return "type A412TE";
-		case 0x27:
-			return "type A671T ";
-		case 0x29:
-			return "type A671TA ";
-		case 0x2B:
-			return "type A671TE ";
-		case 0x31:
-			return "type A415T ";
-		case 0x33:
-			return "type A415TA ";
-		case 0x35:
-			return "type A415TE ";
-		case 0x37:
-			return "type A672";
-		case 0x39:
-			return "type A672A ";
-		case 0x3B:
-			return "type A672T";
-		case 0x6B:
-			return "type IC2200";
-		default:
-			return "type A672T";
+	switch (hardwareType) {
+	case 0x00:
+		return "type A450";
+	case 0x01:
+		return "type A650 ";
+	case 0x04:
+		return "type TMA coproc";
+	case 0x0D:
+		return "type A650E ";
+	case 0x18:
+		return "type TMA coproc Australian";
+	case 0x19:
+		return "type A650A ";
+	case 0x26:
+		return "type TMA coproc European";
+	case 0x2E:
+		return "type A655 ";
+	case 0x2F:
+		return "type A655A ";
+	case 0x30:
+		return "type A655E ";
+	case 0x0B:
+		return "type A670 ";
+	case 0x0C:
+		return "type A670E ";
+	case 0x2D:
+		return "type A670A ";
+	case 0x0F:
+		return "type A411T";
+	case 0x16:
+		return "type A411TA";
+	case 0x1B:
+		return "type A440T";
+	case 0x1C:
+		return "type A412T";
+	case 0x1E:
+		return "type A412TA";
+	case 0x22:
+		return "type A411TE";
+	case 0x24:
+		return "type A412TE";
+	case 0x27:
+		return "type A671T ";
+	case 0x29:
+		return "type A671TA ";
+	case 0x2B:
+		return "type A671TE ";
+	case 0x31:
+		return "type A415T ";
+	case 0x33:
+		return "type A415TA ";
+	case 0x35:
+		return "type A415TE ";
+	case 0x37:
+		return "type A672";
+	case 0x39:
+		return "type A672A ";
+	case 0x3B:
+		return "type A672T";
+	case 0x6B:
+		return "type IC2200";
+	default:
+		return "type A672T";
 	}
 }
 #ifdef ARLAN_DEBUGGING
@@ -193,12 +199,12 @@ static void arlan_print_diagnostic_info(struct net_device *dev)
 	struct arlan_private *priv = netdev_priv(dev);
 	volatile struct arlan_shmem __iomem *arlan = priv->card;
 
-	//  ARLAN_DEBUG_ENTRY("arlan_print_diagnostic_info");
+	/* ARLAN_DEBUG_ENTRY("arlan_print_diagnostic_info"); */
 
 	if (READSHMB(arlan->configuredStatusFlag) == 0)
-		printk("Arlan: Card NOT configured\n");
+		printk(KERN_WARNING "Arlan: Card NOT configured\n");
 	else
-		printk("Arlan: Card is configured\n");
+		printk(KERN_INFO "Arlan: Card is configured\n");
 
 	READSHM(diagnosticInfo, arlan->diagnosticInfo, u_char);
 	READSHM(diagnosticOffset, arlan->diagnosticOffset, u_short);
@@ -206,14 +212,15 @@ static void arlan_print_diagnostic_info(struct net_device *dev)
 	printk(KERN_INFO "%s\n", arlan_diagnostic_info_string(dev));
 
 	if (diagnosticInfo != 0xff)
-		printk("%s arlan: Diagnostic Offset %d \n", dev->name, diagnosticOffset);
+		printk(KERN_INFO "%s arlan: Diagnostic Offset %d\n",\
+			dev->name, diagnosticOffset);
 
-	printk("arlan: LAN CODE ID = ");
+	printk(KERN_INFO "arlan: LAN CODE ID = ");
 	for (i = 0; i < 6; i++)
 		DEBUGSHM(1, "%03d:", arlan->lanCardNodeId[i], u_char);
 	printk("\n");
 
-	printk("arlan: Arlan BroadCast address  = ");
+	printk(KERN_INFO "arlan: Arlan BroadCast address  = ");
 	for (i = 0; i < 6; i++)
 		DEBUGSHM(1, "%03d:", arlan->broadcastAddress[i], u_char);
 	printk("\n");
@@ -229,13 +236,13 @@ static void arlan_print_diagnostic_info(struct net_device *dev)
 	DEBUGSHM(1, "arlan: SID	=%d\n", arlan->SID, u_short);
 	DEBUGSHM(1, "arlan: rxOffset=%d\n", arlan->rxOffset, u_short);
 
-	DEBUGSHM(1, "arlan: registration mode is %d\n", arlan->registrationMode, u_char);
+	DEBUGSHM(1, "arlan: registration mode is %d\n",\
+		arlan->registrationMode, u_char);
 
-	printk("arlan: name= ");
+	printk(KERN_INFO "arlan: name= ");
 	IFDEBUG(1)
-	
-	for (i = 0; i < 16; i++)
-	{
+
+	for (i = 0; i < 16; i++) {
 		char c;
 		READSHM(c, arlan->name[i], char);
 		if (c)
@@ -243,18 +250,19 @@ static void arlan_print_diagnostic_info(struct net_device *dev)
 	}
 	printk("\n");
 
-//   ARLAN_DEBUG_EXIT("arlan_print_diagnostic_info");
+	/* ARLAN_DEBUG_EXIT("arlan_print_diagnostic_info"); */
 
 }
 
 
-/******************************		TEST 	MEMORY	**************/
+/******************************	TEST MEMORY	**************/
 
 static int arlan_hw_test_memory(struct net_device *dev)
 {
 	u_char *ptr;
 	int i;
-	int memlen = sizeof(struct arlan_shmem) - 0xF;	/* avoid control register */
+	int memlen = sizeof(struct arlan_shmem) - 0xF;	/* avoid
+										control register */
 	volatile char *arlan_mem = (char *) (dev->mem_start);
 	struct arlan_private *priv = netdev_priv(dev);
 	volatile struct arlan_shmem __iomem *arlan = priv->card;
@@ -271,13 +279,11 @@ static int arlan_hw_test_memory(struct net_device *dev)
 		WRITESHM(arlan_mem[i], ((u_char) pattern++), u_char);
 
 	pattern = 0;
-	for (i = 0; i < memlen; i++)
-	{
+	for (i = 0; i < memlen; i++) {
 		char res;
 		READSHM(res, arlan_mem[i], char);
-		if (res != pattern++)
-		{
-			printk(KERN_ERR "Arlan driver memory test 1 failed \n");
+		if (res != pattern++) {
+			printk(KERN_ERR "Arlan driver memory test 1 failed\n");
 			return -1;
 		}
 	}
@@ -287,13 +293,11 @@ static int arlan_hw_test_memory(struct net_device *dev)
 		WRITESHM(arlan_mem[i], ~(pattern++), char);
 
 	pattern = 0;
-	for (i = 0; i < memlen; i++)
-	{
+	for (i = 0; i < memlen; i++) {
 		char res;
 		READSHM(res, arlan_mem[i], char);
-		if (res != ~(pattern++))
-		{
-			printk(KERN_ERR "Arlan driver memory test 2 failed \n");
+		if (res != ~(pattern++)) {
+			printk(KERN_ERR "Arlan driver memory test 2 failed\n");
 			return -1;
 		}
 	}
@@ -311,9 +315,9 @@ static int arlan_hw_test_memory(struct net_device *dev)
 	clearHardwareReset(dev);
 
 	/* wait for reset flag to become zero, we'll wait for two seconds */
-	if (arlan_command(dev, ARLAN_COMMAND_LONG_WAIT_NOW))
-	{
-		printk(KERN_ERR "%s arlan: failed to come back from memory test\n", dev->name);
+	if (arlan_command(dev, ARLAN_COMMAND_LONG_WAIT_NOW)) {
+		printk(KERN_ERR "%s arlan: failed to come\
+			back from memory test\n", dev->name);
 		return -1;
 	}
 	return 0;
@@ -325,29 +329,32 @@ static int arlan_setup_card_by_book(struct net_device *dev)
 	struct arlan_private *priv = netdev_priv(dev);
 	volatile struct arlan_shmem __iomem *arlan = priv->card;
 
-//	ARLAN_DEBUG_ENTRY("arlan_setup_card");
+	/* ARLAN_DEBUG_ENTRY("arlan_setup_card"); */
 
 	READSHM(configuredStatusFlag, arlan->configuredStatusFlag, u_char);
 
 	IFDEBUG(10)
 	if (configuredStatusFlag != 0)
-		IFDEBUG(10) printk("arlan: CARD IS CONFIGURED\n");
+		IFDEBUG(10) printk(KERN_INFO "arlan: CARD IS CONFIGURED\n");
 	else
-		IFDEBUG(10) printk("arlan: card is NOT configured\n");
+		IFDEBUG(10) printk(KERN_WARNING\
+			"arlan: card is NOT configured\n");
 
 	if (testMemory || (READSHMB(arlan->diagnosticInfo) != 0xff))
 		if (arlan_hw_test_memory(dev))
 			return -1;
 
-	DEBUGSHM(4, "arlan configuredStatus = %d \n", arlan->configuredStatusFlag, u_char);
-	DEBUGSHM(4, "arlan driver diagnostic: 0x%2x\n", arlan->diagnosticInfo, u_char);
+	DEBUGSHM(4, "arlan configuredStatus = %d\n",\
+		arlan->configuredStatusFlag, u_char);
+	DEBUGSHM(4, "arlan driver diagnostic: 0x%2x\n",\
+		arlan->diagnosticInfo, u_char);
 
 	/* issue nop command - no interrupt */
 	arlan_command(dev, ARLAN_COMMAND_NOOP);
 	if (arlan_command(dev, ARLAN_COMMAND_WAIT_NOW) != 0)
 		return -1;
 
-	IFDEBUG(50) printk("1st Noop successfully executed !!\n");
+	IFDEBUG(50) printk(KERN_INFO "1st Noop successfully executed !!\n");
 
 	/* try to turn on the arlan interrupts */
 	clearClearInterrupt(dev);
@@ -361,18 +368,18 @@ static int arlan_setup_card_by_book(struct net_device *dev)
 		return -1;
 
 
-	IFDEBUG(50) printk("2nd Noop successfully executed !!\n");
+	IFDEBUG(50) printk(KERN_INFO "2nd Noop successfully executed !!\n");
 
 	READSHM(irqLevel, arlan->irqLevel, u_char)
-	
-	if (irqLevel != dev->irq)
-	{
-		IFDEBUG(1) printk(KERN_WARNING "arlan dip switches set irq to %d\n", irqLevel);
-		printk(KERN_WARNING "device driver irq set to %d - does not match\n", dev->irq);
+
+	if (irqLevel != dev->irq) {
+		IFDEBUG(1) printk(KERN_WARNING "arlan dip switches\
+			set irq to %d\n", irqLevel);
+		printk(KERN_WARNING "device driver irq set to %d-\
+			does not match\n", dev->irq);
 		dev->irq = irqLevel;
-	}
-	else
-		IFDEBUG(2) printk("irq level is OK\n");
+	} else
+		IFDEBUG(2) printk(KERN_INFO "irq level is OK\n");
 
 
 	IFDEBUG(3) arlan_print_diagnostic_info(dev);
@@ -380,8 +387,7 @@ static int arlan_setup_card_by_book(struct net_device *dev)
 	arlan_command(dev, ARLAN_COMMAND_CONF);
 
 	READSHM(configuredStatusFlag, arlan->configuredStatusFlag, u_char);
-	if (configuredStatusFlag == 0)
-	{
+	if (configuredStatusFlag == 0) {
 		printk(KERN_WARNING "arlan configure failed\n");
 		return -1;
 	}
@@ -391,7 +397,7 @@ static int arlan_setup_card_by_book(struct net_device *dev)
 	printk(KERN_NOTICE "%s: arlan driver version %s loaded\n",
 	       dev->name, arlan_version);
 
-//	ARLAN_DEBUG_EXIT("arlan_setup_card");
+	/* ARLAN_DEBUG_EXIT("arlan_setup_card"); */
 
 	return 0;		/* no errors */
 }
@@ -402,7 +408,7 @@ static int arlan_setup_card_by_book(struct net_device *dev)
 
 static char arlan_drive_info[ARLAN_STR_SIZE] = "A655\n\0";
 
-static int arlan_sysctl_info(ctl_table * ctl, int write,
+static int arlan_sysctl_info(ctl_table *ctl, int write,
 		      void __user *buffer, size_t * lenp, loff_t *ppos)
 {
 	int i;
@@ -410,35 +416,30 @@ static int arlan_sysctl_info(ctl_table * ctl, int write,
 	struct arlan_private *priva = NULL;
 	struct net_device *dev;
 	pos = 0;
-	if (write)
-	{
-		printk("wrirte: ");
+	if (write) {
+		printk(KERN_INFO "wrirte: ");
 		for (i = 0; i < 100; i++)
-			printk("adi %x \n", arlan_drive_info[i]);
+			printk("adi %x\n", arlan_drive_info[i]);
 	}
-	if (ctl->procname == NULL || arlan_drive_info == NULL)
-	{
-		printk(KERN_WARNING " procname is NULL in sysctl_table or arlan_drive_info is NULL \n at arlan module\n ");
+	if (ctl->procname == NULL || arlan_drive_info == NULL) {
+		printk(KERN_WARNING " procname is NULL in sysctl_table or arlan_drive_info is NULL\n at arlan module\n ");
 		return -1;
 	}
 	devnum = ctl->procname[5] - '0';
-	if (devnum < 0 || devnum > MAX_ARLANS - 1)
-	{
+	if (devnum < 0 || devnum > MAX_ARLANS - 1) {
 		printk(KERN_WARNING "too strange devnum in procfs parse\n ");
 		return -1;
-	}
-	else if (arlan_device[devnum] == NULL)
-	{
+	} else if (arlan_device[devnum] == NULL) {
 		if (ctl->procname)
-			pos += sprintf(arlan_drive_info + pos, "\t%s\n\n", ctl->procname);
-		pos += sprintf(arlan_drive_info + pos, "No device found here \n");
+			pos += sprintf(arlan_drive_info + pos,\
+				"\t%s\n\n", ctl->procname);
+		pos += sprintf(arlan_drive_info + pos,\
+			"No device found here\n");
 		goto final;
-	}
-	else
+	} else
 		priva = netdev_priv(arlan_device[devnum]);
 
-	if (priva == NULL)
-	{
+	if (priva == NULL) {
 		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
 		return -1;
 	}
@@ -446,17 +447,19 @@ static int arlan_sysctl_info(ctl_table * ctl, int write,
 
 	memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem));
 
-	pos = sprintf(arlan_drive_info, "Arlan  info \n");
+	pos = sprintf(arlan_drive_info, "Arlan  info\n");
 	/* Header Signature */
 	SARLSTR(textRegion, 48);
 	SARLUC(resetFlag);
-	pos += sprintf(arlan_drive_info + pos, "diagnosticInfo\t=\t%s \n", arlan_diagnostic_info_string(dev));
+	pos += sprintf(arlan_drive_info + pos,\
+		"diagnosticInfo\t=\t%s\n", arlan_diagnostic_info_string(dev));
 	SARLUC(diagnosticInfo);
 	SARLUS(diagnosticOffset);
 	SARLUCN(_1, 12);
 	SARLUCN(lanCardNodeId, 6);
 	SARLUCN(broadcastAddress, 6);
-	pos += sprintf(arlan_drive_info + pos, "hardwareType =\t  %s \n", arlan_hardware_type_string(dev));
+	pos += sprintf(arlan_drive_info + pos,\
+		"hardwareType =\t  %s\n", arlan_hardware_type_string(dev));
 	SARLUC(hardwareType);
 	SARLUC(majorHardwareVersion);
 	SARLUC(minorHardwareVersion);
@@ -602,17 +605,18 @@ static int arlan_sysctl_info(ctl_table * ctl, int write,
 	SARLUCN(dumpPtr, 4);
 	SARLUC(dumpVal);
 	SARLUC(wireTest);
-	
+
 	/* next 4 seems too long for procfs, over single page ?
 	SARLUCN( _17, 0x86);
 	SARLUCN( txBuffer, 0x800);
-	SARLUCN( rxBuffer,  0x800); 
+	SARLUCN( rxBuffer,  0x800);
 	SARLUCN( _18, 0x0bff);
 	 */
 
 	pos += sprintf(arlan_drive_info + pos, "rxRing\t=\t0x");
 	for (i = 0; i < 0x50; i++)
-		pos += sprintf(arlan_drive_info + pos, "%02x", ((char *) priva->conf)[priva->conf->rxOffset + i]);
+		pos += sprintf(arlan_drive_info + pos, "%02x",\
+			((char *) priva->conf)[priva->conf->rxOffset + i]);
 	pos += sprintf(arlan_drive_info + pos, "\n");
 
 	SARLUC(configStatus);
@@ -624,14 +628,14 @@ static int arlan_sysctl_info(ctl_table * ctl, int write,
 	pos += sprintf(arlan_drive_info + pos, " total %d chars\n", pos);
 	if (ctl)
 		if (ctl->procname)
-			pos += sprintf(arlan_drive_info + pos, " driver name : %s\n", ctl->procname);
+			pos += sprintf(arlan_drive_info + pos,\
+				" driver name : %s\n", ctl->procname);
 final:
 	*lenp = pos;
 
 	if (!write)
 		retv = proc_dostring(ctl, write, buffer, lenp, ppos);
-	else
-	{
+	else {
 		*lenp = 0;
 		return -1;
 	}
@@ -639,7 +643,7 @@ final:
 }
 
 
-static int arlan_sysctl_info161719(ctl_table * ctl, int write,
+static int arlan_sysctl_info161719(ctl_table *ctl, int write,
 			    void __user *buffer, size_t * lenp, loff_t *ppos)
 {
 	int i;
@@ -648,16 +652,16 @@ static int arlan_sysctl_info161719(ctl_table * ctl, int write,
 
 	pos = 0;
 	devnum = ctl->procname[5] - '0';
-	if (arlan_device[devnum] == NULL)
-	{
-		pos += sprintf(arlan_drive_info + pos, "No device found here \n");
+	if (arlan_device[devnum] == NULL) {
+		pos += sprintf(arlan_drive_info + pos,\
+			"No device found here\n");
 		goto final;
-	}
-	else
+	} else
 		priva = netdev_priv(arlan_device[devnum]);
-	if (priva == NULL)
-	{
-		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
+
+	if (priva == NULL) {
+		printk(KERN_WARNING " Could not find the device\
+			private in arlan procsys, bad\n ");
 		return -1;
 	}
 	memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem));
@@ -673,7 +677,7 @@ final:
 	return retv;
 }
 
-static int arlan_sysctl_infotxRing(ctl_table * ctl, int write,
+static int arlan_sysctl_infotxRing(ctl_table *ctl, int write,
 			    void __user *buffer, size_t * lenp, loff_t *ppos)
 {
 	int i;
@@ -682,15 +686,14 @@ static int arlan_sysctl_infotxRing(ctl_table * ctl, int write,
 
 	pos = 0;
 	devnum = ctl->procname[5] - '0';
-	if (arlan_device[devnum] == NULL)
-	{
-		  pos += sprintf(arlan_drive_info + pos, "No device found here \n");
-		  goto final;
-	}
-	else
+	if (arlan_device[devnum] == NULL) {
+		pos += sprintf(arlan_drive_info + pos,\
+			"No device found here\n");
+		goto final;
+	} else
 		priva = netdev_priv(arlan_device[devnum]);
-	if (priva == NULL)
-	{
+
+	if (priva == NULL) {
 		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
 		return -1;
 	}
@@ -702,7 +705,7 @@ final:
 	return retv;
 }
 
-static int arlan_sysctl_inforxRing(ctl_table * ctl, int write,
+static int arlan_sysctl_inforxRing(ctl_table *ctl, int write,
 			    void __user *buffer, size_t * lenp, loff_t *ppos)
 {
 	int i;
@@ -711,14 +714,13 @@ static int arlan_sysctl_inforxRing(ctl_table * ctl, int write,
 
 	pos = 0;
 	devnum = ctl->procname[5] - '0';
-	if (arlan_device[devnum] == NULL)
-	{
-		  pos += sprintf(arlan_drive_info + pos, "No device found here \n");
-		  goto final;
+	if (arlan_device[devnum] == NULL) {
+		pos += sprintf(arlan_drive_info + pos,\
+			"No device found here\n");
+		goto final;
 	} else
 		priva = netdev_priv(arlan_device[devnum]);
-	if (priva == NULL)
-	{
+	if (priva == NULL) {
 		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
 		return -1;
 	}
@@ -730,7 +732,7 @@ final:
 	return retv;
 }
 
-static int arlan_sysctl_info18(ctl_table * ctl, int write,
+static int arlan_sysctl_info18(ctl_table *ctl, int write,
 			void __user *buffer, size_t * lenp, loff_t *ppos)
 {
 	int i;
@@ -739,18 +741,18 @@ static int arlan_sysctl_info18(ctl_table * ctl, int write,
 
 	pos = 0;
 	devnum = ctl->procname[5] - '0';
-	if (arlan_device[devnum] == NULL)
-	{
-		pos += sprintf(arlan_drive_info + pos, "No device found here \n");
+	if (arlan_device[devnum] == NULL) {
+		pos += sprintf(arlan_drive_info + pos,\
+			"No device found here\n");
 		goto final;
-	}
-	else
+	} else
 		priva = netdev_priv(arlan_device[devnum]);
-	if (priva == NULL)
-	{
+
+	if (priva == NULL) {
 		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
 		return -1;
 	}
+
 	memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem));
 	SARLBNpln(u_char, _18, 0x800);
 
@@ -766,74 +768,73 @@ final:
 
 static char conf_reset_result[200];
 
-static int arlan_configure(ctl_table * ctl, int write,
+static int arlan_configure(ctl_table *ctl, int write,
 		    void __user *buffer, size_t * lenp, loff_t *ppos)
 {
 	int pos = 0;
 	int devnum = ctl->procname[6] - '0';
 	struct arlan_private *priv;
 
-	if (devnum < 0 || devnum > MAX_ARLANS - 1)
-	{
-		  printk(KERN_WARNING "too strange devnum in procfs parse\n ");
+	if (devnum < 0 || devnum > MAX_ARLANS - 1) {
+		  printk(KERN_WARNING "too strange devnum in procfs parse\n");
 		  return -1;
-	}
-	else if (arlan_device[devnum] != NULL)
-	{
-		  priv = netdev_priv(arlan_device[devnum]);
-
-		  arlan_command(arlan_device[devnum], ARLAN_COMMAND_CLEAN_AND_CONF);
-	}
-	else
+	} else if (arlan_device[devnum] != NULL) {
+		priv = netdev_priv(arlan_device[devnum]);
+		arlan_command(arlan_device[devnum],\
+			ARLAN_COMMAND_CLEAN_AND_CONF);
+	} else
 		return -1;
 
 	*lenp = pos;
 	return proc_dostring(ctl, write, buffer, lenp, ppos);
 }
 
-static int arlan_sysctl_reset(ctl_table * ctl, int write,
+static int arlan_sysctl_reset(ctl_table *ctl, int write,
 		       void __user *buffer, size_t * lenp, loff_t *ppos)
 {
 	int pos = 0;
 	int devnum = ctl->procname[5] - '0';
 	struct arlan_private *priv;
 
-	if (devnum < 0 || devnum > MAX_ARLANS - 1)
-	{
-		  printk(KERN_WARNING "too strange devnum in procfs parse\n ");
+	if (devnum < 0 || devnum > MAX_ARLANS - 1) {
+		  printk(KERN_WARNING "too strange devnum in procfs parse\n");
 		  return -1;
-	}
-	else if (arlan_device[devnum] != NULL)
-	{
+
+	} else if (arlan_device[devnum] != NULL) {
 		priv = netdev_priv(arlan_device[devnum]);
-		arlan_command(arlan_device[devnum], ARLAN_COMMAND_CLEAN_AND_RESET);
+		arlan_command(arlan_device[devnum], \
+			ARLAN_COMMAND_CLEAN_AND_RESET);
 
 	} else
 		return -1;
+
 	*lenp = pos + 3;
 	return proc_dostring(ctl, write, buffer, lenp, ppos);
 }
 
 
 /* Place files in /proc/sys/dev/arlan */
-#define CTBLN(card,nam) \
-        { .procname = #nam,\
-          .data = &(arlan_conf[card].nam),\
-          .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec}
+#define CTBLN(card, nam) \
+	{ .procname = #nam,\
+	.data = &(arlan_conf[card].nam),\
+	.maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec}
 #ifdef ARLAN_DEBUGGING
 
-#define ARLAN_PROC_DEBUG_ENTRIES \
-        { .procname = "entry_exit_debug",\
-          .data = &arlan_entry_and_exit_debug,\
-          .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec},\
+#define ARLAN_PROC_DEBUG_ENTRIES do {\
+
+	{ .procname = "entry_exit_debug",\
+		.data = &arlan_entry_and_exit_debug,\
+	.maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec},\
 	{ .procname = "debug", .data = &arlan_debug,\
-          .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec},
-#else 
+	.maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec},
+
+	} while (0)
+#else
 #define ARLAN_PROC_DEBUG_ENTRIES
 #endif
 
 #define ARLAN_SYSCTL_TABLE_TOTAL(cardNo)\
-	CTBLN(cardNo,spreadingCode),\
+	CTBLN(cardNo, spreadingCode),\
 	CTBLN(cardNo, channelNumber),\
 	CTBLN(cardNo, scramblingDisable),\
 	CTBLN(cardNo, txAttenuation),\
@@ -861,43 +862,40 @@ static int arlan_sysctl_reset(ctl_table * ctl, int write,
 	CTBLN(cardNo, rxParameter),\
 	CTBLN(cardNo, txTimeoutMs),\
 	CTBLN(cardNo, waitCardTimeout),\
-	CTBLN(cardNo, channelSet), \
+	CTBLN(cardNo, channelSet),\
 	{ .procname = "name",\
 	 .data = arlan_conf[cardNo].siteName,\
-	 .maxlen = 16, .mode = 0600, .proc_handler = proc_dostring},\
-	CTBLN(cardNo,waitTime),\
-	CTBLN(cardNo,lParameter),\
-	CTBLN(cardNo,_15),\
-	CTBLN(cardNo,headerSize),\
-	CTBLN(cardNo,tx_delay_ms),\
-	CTBLN(cardNo,retries),\
-	CTBLN(cardNo,ReTransmitPacketMaxSize),\
-	CTBLN(cardNo,waitReTransmitPacketMaxSize),\
-	CTBLN(cardNo,fastReTransCount),\
-	CTBLN(cardNo,driverRetransmissions),\
-	CTBLN(cardNo,txAckTimeoutMs),\
-	CTBLN(cardNo,registrationInterrupts),\
-	CTBLN(cardNo,hardwareType),\
-	CTBLN(cardNo,radioType),\
-	CTBLN(cardNo,writeEEPROM),\
-	CTBLN(cardNo,writeRadioType),\
+	 .maxlen = 16, .mode = 0600, .proc_handler = proc_dostring },\
+	CTBLN(cardNo, waitTime),\
+	CTBLN(cardNo, lParameter),\
+	CTBLN(cardNo, _15),\
+	CTBLN(cardNo, headerSize),\
+	CTBLN(cardNo, tx_delay_ms),\
+	CTBLN(cardNo, retries),\
+	CTBLN(cardNo, ReTransmitPacketMaxSize),\
+	CTBLN(cardNo, waitReTransmitPacketMaxSize),\
+	CTBLN(cardNo, fastReTransCount),\
+	CTBLN(cardNo, driverRetransmissions),\
+	CTBLN(cardNo, txAckTimeoutMs),\
+	CTBLN(cardNo, registrationInterrupts),\
+	CTBLN(cardNo, hardwareType),\
+	CTBLN(cardNo, radioType),\
+	CTBLN(cardNo, writeEEPROM),\
+	CTBLN(cardNo, writeRadioType),\
 	ARLAN_PROC_DEBUG_ENTRIES\
-	CTBLN(cardNo,in_speed),\
-	CTBLN(cardNo,out_speed),\
-	CTBLN(cardNo,in_speed10),\
-	CTBLN(cardNo,out_speed10),\
-	CTBLN(cardNo,in_speed_max),\
-	CTBLN(cardNo,out_speed_max),\
-	CTBLN(cardNo,measure_rate),\
-	CTBLN(cardNo,pre_Command_Wait),\
-	CTBLN(cardNo,rx_tweak1),\
-	CTBLN(cardNo,rx_tweak2),\
-	CTBLN(cardNo,tx_queue_len),\
+	CTBLN(cardNo, in_speed),\
+	CTBLN(cardNo, out_speed),\
+	CTBLN(cardNo, in_speed10),\
+	CTBLN(cardNo, out_speed10),\
+	CTBLN(cardNo, in_speed_max),\
+	CTBLN(cardNo, out_speed_max),\
+	CTBLN(cardNo, measure_rate),\
+	CTBLN(cardNo, pre_Command_Wait),\
+	CTBLN(cardNo, rx_tweak1),\
+	CTBLN(cardNo, rx_tweak2),\
+	CTBLN(cardNo, tx_queue_len),\
 
-
-
-static ctl_table arlan_conf_table0[] =
-{
+static ctl_table arlan_conf_table0[] = {
 	ARLAN_SYSCTL_TABLE_TOTAL(0)
 
 #ifdef ARLAN_PROC_SHM_DUMP
@@ -954,8 +952,7 @@ static ctl_table arlan_conf_table0[] =
 	{  }
 };
 
-static ctl_table arlan_conf_table1[] =
-{
+static ctl_table arlan_conf_table1[] = {
 
 	ARLAN_SYSCTL_TABLE_TOTAL(1)
 
@@ -1013,8 +1010,7 @@ static ctl_table arlan_conf_table1[] =
 	{ }
 };
 
-static ctl_table arlan_conf_table2[] =
-{
+static ctl_table arlan_conf_table2[] = {
 
 	ARLAN_SYSCTL_TABLE_TOTAL(2)
 
@@ -1072,8 +1068,7 @@ static ctl_table arlan_conf_table2[] =
 	{ }
 };
 
-static ctl_table arlan_conf_table3[] =
-{
+static ctl_table arlan_conf_table3[] = {
 
 	ARLAN_SYSCTL_TABLE_TOTAL(3)
 
@@ -1133,8 +1128,7 @@ static ctl_table arlan_conf_table3[] =
 
 
 
-static ctl_table arlan_table[] =
-{
+static ctl_table arlan_table[] = {
 	{
 		.procname	= "arlan0",
 		.maxlen		= 0,
@@ -1164,17 +1158,15 @@ static ctl_table arlan_table[] =
 
 #else
 
-static ctl_table arlan_table[] =
-{
+static ctl_table arlan_table[] = {
 	{ }
 };
 #endif
 
 
-// static int mmtu = 1234;
+/* static int mmtu = 1234; */
 
-static ctl_table arlan_root_table[] =
-{
+static ctl_table arlan_root_table[] = {
 	{
 		.procname	= "arlan",
 		.maxlen		= 0,
@@ -1189,8 +1181,6 @@ static struct ctl_table_header *arlan_device_sysctl_header;
 
 int __init init_arlan_proc(void)
 {
-
-	int i = 0;
 	if (arlan_device_sysctl_header)
 		return 0;
 	arlan_device_sysctl_header = register_sysctl_table(arlan_root_table);
@@ -1198,7 +1188,6 @@ int __init init_arlan_proc(void)
 		return -1;
 
 	return 0;
-
 }
 
 void __exit cleanup_arlan_proc(void)

From b9e2af544d4fe1a74006a68c744fbdaea13f1665 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@ucw.cz>
Date: Sat, 13 Mar 2010 12:17:59 +0100
Subject: [PATCH 0873/3638] Staging: dream: fix gpio_input compilation

gpio_* drivers still need drivers in staging. Yes, that will need to
be fixed, but at least fix compilation for now.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/dream/Makefile b/drivers/staging/dream/Makefile
index 2b791519707..43d1eec8e25 100644
--- a/drivers/staging/dream/Makefile
+++ b/drivers/staging/dream/Makefile
@@ -1,3 +1,4 @@
+EXTRA_CFLAGS=-Idrivers/staging/dream/include
 obj-$(CONFIG_MSM_ADSP)		+= qdsp5/ smd/
 obj-$(CONFIG_MSM_CAMERA)	+= camera/
 obj-$(CONFIG_INPUT_GPIO)	+= gpio_axis.o gpio_event.o gpio_input.o gpio_matrix.o gpio_output.o

From 251211c3fa0d218e90f1fb4ce3b475213df467d2 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@ucw.cz>
Date: Sat, 13 Mar 2010 09:22:39 +0100
Subject: [PATCH 0874/3638] Staging: dream: Kconfig fix for non-HTC hardware

> All of the Kconfig menu items under "config DREAM" should be listed
> indented under the 'DREAM' symbol, but they are not. (using xconfig)
> In menuconfig, the DREAM symbol isn't listed (since it depends on BROKEN),
> but the other (subordinate) symbols are still listed.

Ok, this should fix it ... or at least make it better an non-issue for
people with non-HTC hardware.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/Kconfig | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/dream/Kconfig b/drivers/staging/dream/Kconfig
index 4afa081c870..707cc71a8a6 100644
--- a/drivers/staging/dream/Kconfig
+++ b/drivers/staging/dream/Kconfig
@@ -1,16 +1,14 @@
 config DREAM
-       tristate "HTC Dream support"
-       depends on BROKEN
+	tristate "HTC Dream support"
+	depends on MACH_TROUT
 
+if DREAM
 source "drivers/staging/dream/smd/Kconfig"
 
 source "drivers/staging/dream/camera/Kconfig"
 
-
 config INPUT_GPIO
 	tristate "GPIO driver support"
 	help
 	  Say Y here if you want to support gpio based keys, wheels etc...
-
-
-
+endif

From 2d1cbb77db089df3d70c2f921ea4b3cf8b9695e9 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@ucw.cz>
Date: Sat, 13 Mar 2010 09:53:25 +0100
Subject: [PATCH 0875/3638] Staging: dream: remove last bits of earlysuspend
 support

Remove last bits of earlysuspend support.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/TODO                        | 1 -
 drivers/staging/dream/qdsp5/audio_out.c           | 9 ---------
 drivers/staging/dream/smd/smd_rpcrouter_servers.c | 4 ----
 3 files changed, 14 deletions(-)

diff --git a/drivers/staging/dream/TODO b/drivers/staging/dream/TODO
index c07c8803f07..dcd3ba80865 100644
--- a/drivers/staging/dream/TODO
+++ b/drivers/staging/dream/TODO
@@ -1,4 +1,3 @@
-* remove support for wakelocks since those are not in mainline
 
 * camera driver uses old V4L API
 
diff --git a/drivers/staging/dream/qdsp5/audio_out.c b/drivers/staging/dream/qdsp5/audio_out.c
index fe7809dd440..76d7fa5667d 100644
--- a/drivers/staging/dream/qdsp5/audio_out.c
+++ b/drivers/staging/dream/qdsp5/audio_out.c
@@ -182,9 +182,6 @@ struct audio {
 	int stopped; /* set when stopped, cleared on flush */
 	unsigned volume;
 
-	struct wake_lock wakelock;
-	struct wake_lock idlelock;
-
 	int adrc_enable;
 	struct adrc_filter adrc;
 
@@ -198,14 +195,10 @@ struct audio {
 static void audio_prevent_sleep(struct audio *audio)
 {
 	printk(KERN_INFO "++++++++++++++++++++++++++++++\n");
-	wake_lock(&audio->wakelock);
-	wake_lock(&audio->idlelock);
 }
 
 static void audio_allow_sleep(struct audio *audio)
 {
-	wake_unlock(&audio->wakelock);
-	wake_unlock(&audio->idlelock);
 	printk(KERN_INFO "------------------------------\n");
 }
 
@@ -840,8 +833,6 @@ static int __init audio_init(void)
 	mutex_init(&the_audio.write_lock);
 	spin_lock_init(&the_audio.dsp_lock);
 	init_waitqueue_head(&the_audio.wait);
-	wake_lock_init(&the_audio.wakelock, WAKE_LOCK_SUSPEND, "audio_pcm");
-	wake_lock_init(&the_audio.idlelock, WAKE_LOCK_IDLE, "audio_pcm_idle");
 	return (misc_register(&audio_misc) || misc_register(&audpp_misc));
 }
 
diff --git a/drivers/staging/dream/smd/smd_rpcrouter_servers.c b/drivers/staging/dream/smd/smd_rpcrouter_servers.c
index 1b152abb278..bec3ee9371b 100644
--- a/drivers/staging/dream/smd/smd_rpcrouter_servers.c
+++ b/drivers/staging/dream/smd/smd_rpcrouter_servers.c
@@ -42,7 +42,6 @@ static struct msm_rpc_endpoint *endpoint;
 static LIST_HEAD(rpc_server_list);
 static DEFINE_MUTEX(rpc_server_list_lock);
 static int rpc_servers_active;
-static struct wake_lock rpc_servers_wake_lock;
 
 static void rpc_server_register(struct msm_rpc_server *server)
 {
@@ -136,10 +135,8 @@ static int rpc_servers_thread(void *data)
 	int rc;
 
 	for (;;) {
-		wake_unlock(&rpc_servers_wake_lock);
 		rc = wait_event_interruptible(endpoint->wait_q,
 						!list_empty(&endpoint->read_q));
-		wake_lock(&rpc_servers_wake_lock);
 		rc = msm_rpc_read(endpoint, &buffer, -1, -1);
 		if (rc < 0) {
 			printk(KERN_ERR "%s: could not read: %d\n",
@@ -219,7 +216,6 @@ static struct platform_driver rpcservers_driver = {
 
 static int __init rpc_servers_init(void)
 {
-	wake_lock_init(&rpc_servers_wake_lock, WAKE_LOCK_SUSPEND, "rpc_server");
 	return platform_driver_register(&rpcservers_driver);
 }
 

From d4a505e81bffe8c41b3b701f8fa7b47c902fb149 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@ucw.cz>
Date: Sat, 13 Mar 2010 12:20:05 +0100
Subject: [PATCH 0876/3638] Staging: windbond: camelCase should be fixed

(BTW, winbond/README alias winbond/TODO doesn't mention it, but another
(trivial) step is going to be to change variable names and function
names from CamelCase to lower_case spelling.)

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/README | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/winbond/README b/drivers/staging/winbond/README
index cb944e4bf17..27710241fc1 100644
--- a/drivers/staging/winbond/README
+++ b/drivers/staging/winbond/README
@@ -2,6 +2,7 @@ TODO:
 	- sparse cleanups
 	- checkpatch cleanups
 	- kerneldoc cleanups
+	- fix severeCamelCaseInfestation
 	- remove typedefs
 	- remove unused ioctls
 	- use cfg80211 for regulatory stuff

From f4af2361dfb750c746047e21d186df8705d1fd5d Mon Sep 17 00:00:00 2001
From: Stefan Schick <stinder21@googlemail.com>
Date: Sat, 13 Mar 2010 13:47:09 +0100
Subject: [PATCH 0877/3638] Staging: comedi: dt3000: fixed some coding style
 issues

Fixed some coding style issues

Signed-off-by: Stefan Schick <stinder21@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/dt3000.c | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c
index bbbef790c8f..ca687890fc1 100644
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -314,9 +314,8 @@ static int dt3k_send_cmd(struct comedi_device *dev, unsigned int cmd)
 			break;
 		udelay(1);
 	}
-	if ((status & DT3000_COMPLETION_MASK) == DT3000_NOERROR) {
+	if ((status & DT3000_COMPLETION_MASK) == DT3000_NOERROR)
 		return 0;
-	}
 
 	printk("dt3k_send_cmd() timeout/error status=0x%04x\n", status);
 
@@ -359,9 +358,8 @@ static irqreturn_t dt3k_interrupt(int irq, void *d)
 	struct comedi_subdevice *s;
 	unsigned int status;
 
-	if (!dev->attached) {
+	if (!dev->attached)
 		return IRQ_NONE;
-	}
 
 	s = dev->subdevices + 0;
 	status = readw(devpriv->io_addr + DPR_Intr_Flag);
@@ -374,9 +372,8 @@ static irqreturn_t dt3k_interrupt(int irq, void *d)
 		s->async->events |= COMEDI_CB_BLOCK;
 	}
 
-	if (status & (DT3000_ADSWERR | DT3000_ADHWERR)) {
+	if (status & (DT3000_ADSWERR | DT3000_ADHWERR))
 		s->async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
-	}
 
 	debug_n_ints++;
 	if (debug_n_ints >= 10) {
@@ -399,9 +396,8 @@ static void debug_intr_flags(unsigned int flags)
 	int i;
 	printk("dt3k: intr_flags:");
 	for (i = 0; i < 8; i++) {
-		if (flags & (1 << i)) {
+		if (flags & (1 << i))
 			printk(" %s", intr_flags[i]);
-		}
 	}
 	printk("\n");
 }
@@ -690,9 +686,8 @@ static int dt3k_ai_insn(struct comedi_device *dev, struct comedi_subdevice *s,
 	/* XXX docs don't explain how to select aref */
 	aref = CR_AREF(insn->chanspec);
 
-	for (i = 0; i < insn->n; i++) {
+	for (i = 0; i < insn->n; i++)
 		data[i] = dt3k_readsingle(dev, SUBS_AI, chan, gain);
-	}
 
 	return i;
 }
@@ -720,9 +715,8 @@ static int dt3k_ao_insn_read(struct comedi_device *dev,
 	unsigned int chan;
 
 	chan = CR_CHAN(insn->chanspec);
-	for (i = 0; i < insn->n; i++) {
+	for (i = 0; i < insn->n; i++)
 		data[i] = devpriv->ao_readback[chan];
-	}
 
 	return i;
 }
@@ -911,9 +905,8 @@ static int dt3000_detach(struct comedi_device *dev)
 
 	if (devpriv) {
 		if (devpriv->pci_dev) {
-			if (devpriv->phys_addr) {
+			if (devpriv->phys_addr)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
 			pci_dev_put(devpriv->pci_dev);
 		}
 		if (devpriv->io_addr)

From a41aec1be2b3b21c08b84fb1e70e23aab29c5820 Mon Sep 17 00:00:00 2001
From: Jason Wong <tsanghan@gmail.com>
Date: Sat, 27 Mar 2010 09:48:38 +0800
Subject: [PATCH 0878/3638] Staging: comedi: adl_pci9118: fixed multiple brace
 coding style issues

Fixed multiple coding style issues

Signed-off-by: Jason Wong <tsanghan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci9118.c | 42 ++++++++++----------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index 2205113ee43..c7cba9579d0 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -496,11 +496,11 @@ static int pci9118_insn_write_ao(struct comedi_device *dev,
 	int n, chanreg, ch;
 
 	ch = CR_CHAN(insn->chanspec);
-	if (ch) {
+	if (ch)
 		chanreg = PCI9118_DA2;
-	} else {
+	else
 		chanreg = PCI9118_DA1;
-	}
+
 
 	for (n = 0; n < insn->n; n++) {
 		outl(data[n], dev->iobase + chanreg);
@@ -663,11 +663,11 @@ static void pci9118_ai_munge(struct comedi_device *dev,
 	for (i = 0; i < num_samples; i++) {
 		if (devpriv->usedma)
 			array[i] = be16_to_cpu(array[i]);
-		if (devpriv->ai16bits) {
+		if (devpriv->ai16bits)
 			array[i] ^= 0x8000;
-		} else {
+		else
 			array[i] = (array[i] >> 4) & 0x0fff;
-		}
+
 	}
 }
 
@@ -930,20 +930,20 @@ static int pci9118_ai_cmdtest(struct comedi_device *dev,
 		err++;
 
 	tmp = cmd->scan_begin_src;
-	if (devpriv->master) {
+	if (devpriv->master)
 		cmd->scan_begin_src &= TRIG_TIMER | TRIG_EXT | TRIG_FOLLOW;
-	} else {
+	else
 		cmd->scan_begin_src &= TRIG_FOLLOW;
-	}
+
 	if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
 		err++;
 
 	tmp = cmd->convert_src;
-	if (devpriv->master) {
+	if (devpriv->master)
 		cmd->convert_src &= TRIG_TIMER | TRIG_EXT | TRIG_NOW;
-	} else {
+	else
 		cmd->convert_src &= TRIG_TIMER | TRIG_EXT;
-	}
+
 	if (!cmd->convert_src || tmp != cmd->convert_src)
 		err++;
 
@@ -1908,9 +1908,9 @@ static int setup_channel_list(struct comedi_device *dev,
 	}
 #ifdef PCI9118_EXTDEBUG
 	DPRINTK("CHL: ");
-	for (i = 0; i <= (useeos * n_chan); i++) {
+	for (i = 0; i <= (useeos * n_chan); i++)
 		DPRINTK("%04x ", devpriv->chanlist[i]);
-	}
+
 	DPRINTK("\n ");
 #endif
 #endif
@@ -2222,9 +2222,9 @@ static int pci9118_attach(struct comedi_device *dev,
 		return -EIO;
 	}
 
-	if (master) {
+	if (master)
 		pci_set_master(pcidev);
-	}
+
 
 	pci_bus = pcidev->bus->number;
 	pci_slot = PCI_SLOT(pcidev->devfn);
@@ -2335,11 +2335,11 @@ static int pci9118_attach(struct comedi_device *dev,
 	dev->read_subdev = s;
 	s->type = COMEDI_SUBD_AI;
 	s->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_GROUND | SDF_DIFF;
-	if (devpriv->usemux) {
+	if (devpriv->usemux)
 		s->n_chan = devpriv->usemux;
-	} else {
+	else
 		s->n_chan = this_board->n_aichan;
-	}
+
 	s->maxdata = this_board->ai_maxdata;
 	s->len_chanlist = this_board->n_aichanlist;
 	s->range_table = this_board->rangelist_ai;
@@ -2411,9 +2411,9 @@ static int pci9118_detach(struct comedi_device *dev)
 		if (dev->irq)
 			free_irq(dev->irq, dev);
 		if (devpriv->pcidev) {
-			if (dev->iobase) {
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pcidev);
-			}
+
 			pci_dev_put(devpriv->pcidev);
 		}
 		if (devpriv->dmabuf_virt[0])

From 402a01ae2370e33aa67c483d136ca475756260f5 Mon Sep 17 00:00:00 2001
From: Jason Wong <tsanghan@gmail.com>
Date: Sat, 27 Mar 2010 09:48:40 +0800
Subject: [PATCH 0879/3638] Staging: comedi: adv_pci_dio: fixed multiple brace
 coding style issues

Fixed multiple coding style issues.

Signed-off-by: Jason Wong <tsanghan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adv_pci_dio.c | 34 ++++++++++----------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c
index 61d35fe6435..dbfeef8c5bc 100644
--- a/drivers/staging/comedi/drivers/adv_pci_dio.c
+++ b/drivers/staging/comedi/drivers/adv_pci_dio.c
@@ -367,9 +367,9 @@ static int pci_dio_insn_bits_di_b(struct comedi_device *dev,
 	int i;
 
 	data[1] = 0;
-	for (i = 0; i < d->regs; i++) {
+	for (i = 0; i < d->regs; i++)
 		data[1] |= inb(dev->iobase + d->addr + i) << (8 * i);
-	}
+
 
 	return 2;
 }
@@ -882,9 +882,9 @@ static int CheckAndAllocCard(struct comedi_device *dev,
 	struct pci_dio_private *pr, *prev;
 
 	for (pr = pci_priv, prev = NULL; pr != NULL; prev = pr, pr = pr->next) {
-		if (pr->pcidev == pcidev) {
+		if (pr->pcidev == pcidev)
 			return 0;	/*  this card is used, look for another */
-		}
+
 	}
 
 	if (prev) {
@@ -1040,22 +1040,22 @@ static int pci_dio_detach(struct comedi_device *dev)
 	int subdev;
 
 	if (dev->private) {
-		if (devpriv->valid) {
+		if (devpriv->valid)
 			pci_dio_reset(dev);
-		}
+
 
 		/* This shows the silliness of using this kind of
 		 * scheme for numbering subdevices.  Don't do it.  --ds */
 		subdev = 0;
 		for (i = 0; i < MAX_DI_SUBDEVS; i++) {
-			if (this_board->sdi[i].chans) {
+			if (this_board->sdi[i].chans)
 				subdev++;
-			}
+
 		}
 		for (i = 0; i < MAX_DO_SUBDEVS; i++) {
-			if (this_board->sdo[i].chans) {
+			if (this_board->sdo[i].chans)
 				subdev++;
-			}
+
 		}
 		for (i = 0; i < MAX_DIO_SUBDEVG; i++) {
 			for (j = 0; j < this_board->sdio[i].regs; j++) {
@@ -1071,20 +1071,20 @@ static int pci_dio_detach(struct comedi_device *dev)
 		}
 
 		if (devpriv->pcidev) {
-			if (dev->iobase) {
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pcidev);
-			}
+
 			pci_dev_put(devpriv->pcidev);
 		}
 
-		if (devpriv->prev) {
+		if (devpriv->prev)
 			devpriv->prev->next = devpriv->next;
-		} else {
+		else
 			pci_priv = devpriv->next;
-		}
-		if (devpriv->next) {
+
+		if (devpriv->next)
 			devpriv->next->prev = devpriv->prev;
-		}
+
 	}
 
 	return 0;

From ec14016e751106499ef237efc1000a424f53e372 Mon Sep 17 00:00:00 2001
From: Jason Wong <tsanghan@gmail.com>
Date: Sat, 27 Mar 2010 09:48:39 +0800
Subject: [PATCH 0880/3638] Staging: comedi: adv_pci1710: fixed multiple brace
 coding style issues

Fixed multiple coding style issues.

Signed-off-by: Jason Wong <tsanghan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adv_pci1710.c | 22 ++++++++++----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 394d2ea19c2..f5bb286bfbd 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -657,9 +657,9 @@ static void interrupt_pci1710_every_sample(void *d)
 #endif
 		++s->async->cur_chan;
 
-		if (s->async->cur_chan >= devpriv->ai_n_chan) {
+		if (s->async->cur_chan >= devpriv->ai_n_chan)
 			s->async->cur_chan = 0;
-		}
+
 
 		if (s->async->cur_chan == 0) {	/*  one scan done */
 			devpriv->ai_act_scan++;
@@ -863,12 +863,12 @@ static int pci171x_ai_docmd_and_mode(int mode, struct comedi_device *dev,
 		devpriv->ai_eos = 0;
 	}
 
-	if ((devpriv->ai_scans == 0) || (devpriv->ai_scans == -1)) {
+	if ((devpriv->ai_scans == 0) || (devpriv->ai_scans == -1))
 		devpriv->neverending_ai = 1;
-	} /* well, user want neverending */
-	else {
+	/* well, user want neverending */
+	else
 		devpriv->neverending_ai = 0;
-	}
+
 	switch (mode) {
 	case 1:
 	case 2:
@@ -1109,11 +1109,11 @@ static int pci171x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	devpriv->ai_timer1 = 0;
 	devpriv->ai_timer2 = 0;
 
-	if (cmd->stop_src == TRIG_COUNT) {
+	if (cmd->stop_src == TRIG_COUNT)
 		devpriv->ai_scans = cmd->stop_arg;
-	} else {
+	else
 		devpriv->ai_scans = 0;
-	}
+
 
 	if (cmd->scan_begin_src == TRIG_FOLLOW) {	/*  mode 1, 2, 3 */
 		if (cmd->convert_src == TRIG_TIMER) {	/*  mode 1 and 2 */
@@ -1593,9 +1593,9 @@ static int pci1710_detach(struct comedi_device *dev)
 		if (dev->irq)
 			free_irq(dev->irq, dev);
 		if (devpriv->pcidev) {
-			if (dev->iobase) {
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pcidev);
-			}
+
 			pci_dev_put(devpriv->pcidev);
 		}
 	}

From 7b8f2d1a2ece4180ac5fe418bf915efe728583a8 Mon Sep 17 00:00:00 2001
From: Jason Wong <tsanghan@gmail.com>
Date: Sat, 27 Mar 2010 09:48:41 +0800
Subject: [PATCH 0881/3638] Staging: comedi: cb_das16_cs: fixed multiple brace
 coding style issues

Fixed multiple coding style issues

Signed-off-by: Jason Wong <tsanghan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/cb_das16_cs.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c
index 5632991760a..68bd5caa5e4 100644
--- a/drivers/staging/comedi/drivers/cb_das16_cs.c
+++ b/drivers/staging/comedi/drivers/cb_das16_cs.c
@@ -175,16 +175,16 @@ static int das16cs_attach(struct comedi_device *dev,
 	printk("I/O base=0x%04lx ", dev->iobase);
 
 	printk("fingerprint:\n");
-	for (i = 0; i < 48; i += 2) {
+	for (i = 0; i < 48; i += 2)
 		printk("%04x ", inw(dev->iobase + i));
-	}
+
 	printk("\n");
 
 	ret = request_irq(link->irq.AssignedIRQ, das16cs_interrupt,
 			  IRQF_SHARED, "cb_das16_cs", dev);
-	if (ret < 0) {
+	if (ret < 0)
 		return ret;
-	}
+
 	dev->irq = link->irq.AssignedIRQ;
 	printk("irq=%u ", dev->irq);
 
@@ -262,9 +262,9 @@ static int das16cs_detach(struct comedi_device *dev)
 {
 	printk("comedi%d: das16cs: remove\n", dev->minor);
 
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
+
 
 	return 0;
 }

From 90cae7944011b7a09b2d248e85ee11e987cc25f8 Mon Sep 17 00:00:00 2001
From: Jason Wong <tsanghan@gmail.com>
Date: Sat, 27 Mar 2010 09:48:42 +0800
Subject: [PATCH 0882/3638] Staging: comedi: cb_pcidas64: fixed multiple brace
 coding style issues

Fixed multiple coding style issues.

Signed-off-by: Jason Wong <tsanghan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/cb_pcidas64.c | 40 ++++++++++----------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 82295e0f07f..1d43d0d6f07 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -1621,9 +1621,9 @@ int alloc_and_init_dma_members(struct comedi_device *dev)
 		priv(dev)->ai_buffer[i] =
 		    pci_alloc_consistent(priv(dev)->hw_dev, DMA_BUFFER_SIZE,
 					 &priv(dev)->ai_buffer_bus_addr[i]);
-		if (priv(dev)->ai_buffer[i] == NULL) {
+		if (priv(dev)->ai_buffer[i] == NULL)
 			return -ENOMEM;
-		}
+
 	}
 	for (i = 0; i < AO_DMA_RING_COUNT; i++) {
 		if (ao_cmd_is_supported(board(dev))) {
@@ -1632,9 +1632,9 @@ int alloc_and_init_dma_members(struct comedi_device *dev)
 						 DMA_BUFFER_SIZE,
 						 &priv(dev)->
 						 ao_buffer_bus_addr[i]);
-			if (priv(dev)->ao_buffer[i] == NULL) {
+			if (priv(dev)->ao_buffer[i] == NULL)
 				return -ENOMEM;
-			}
+
 		}
 	}
 	/*  allocate dma descriptors */
@@ -1643,9 +1643,9 @@ int alloc_and_init_dma_members(struct comedi_device *dev)
 				 sizeof(struct plx_dma_desc) *
 				 ai_dma_ring_count(board(dev)),
 				 &priv(dev)->ai_dma_desc_bus_addr);
-	if (priv(dev)->ai_dma_desc == NULL) {
+	if (priv(dev)->ai_dma_desc == NULL)
 		return -ENOMEM;
-	}
+
 	DEBUG_PRINT("ai dma descriptors start at bus addr 0x%x\n",
 		    priv(dev)->ai_dma_desc_bus_addr);
 	if (ao_cmd_is_supported(board(dev))) {
@@ -1654,9 +1654,9 @@ int alloc_and_init_dma_members(struct comedi_device *dev)
 					 sizeof(struct plx_dma_desc) *
 					 AO_DMA_RING_COUNT,
 					 &priv(dev)->ao_dma_desc_bus_addr);
-		if (priv(dev)->ao_dma_desc == NULL) {
+		if (priv(dev)->ao_dma_desc == NULL)
 			return -ENOMEM;
-		}
+
 		DEBUG_PRINT("ao dma descriptors start at bus addr 0x%x\n",
 			    priv(dev)->ao_dma_desc_bus_addr);
 	}
@@ -1848,9 +1848,9 @@ static int attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	printk(" irq %u\n", dev->irq);
 
 	retval = setup_subdevices(dev);
-	if (retval < 0) {
+	if (retval < 0)
 		return retval;
-	}
+
 
 	return 0;
 }
@@ -1919,9 +1919,9 @@ static int detach(struct comedi_device *dev)
 						    priv(dev)->ao_dma_desc,
 						    priv(dev)->
 						    ao_dma_desc_bus_addr);
-			if (priv(dev)->main_phys_iobase) {
+			if (priv(dev)->main_phys_iobase)
 				comedi_pci_disable(priv(dev)->hw_dev);
-			}
+	
 			pci_dev_put(priv(dev)->hw_dev);
 		}
 	}
@@ -2902,9 +2902,9 @@ static void pio_drain_ai_fifo_16(struct comedi_device *dev)
 		if (cmd->stop_src == TRIG_COUNT) {
 			if (priv(dev)->ai_count == 0)
 				break;
-			if (num_samples > priv(dev)->ai_count) {
+			if (num_samples > priv(dev)->ai_count)
 				num_samples = priv(dev)->ai_count;
-			}
+
 			priv(dev)->ai_count -= num_samples;
 		}
 
@@ -2943,9 +2943,9 @@ static void pio_drain_ai_fifo_32(struct comedi_device *dev)
 	    readw(priv(dev)->main_iobase + ADC_READ_PNTR_REG) & 0x7fff;
 
 	if (cmd->stop_src == TRIG_COUNT) {
-		if (max_transfer > priv(dev)->ai_count) {
+		if (max_transfer > priv(dev)->ai_count)
 			max_transfer = priv(dev)->ai_count;
-		}
+
 	}
 	for (i = 0; read_code != write_code && i < max_transfer;) {
 		fifo_data = readl(priv(dev)->dio_counter_iobase + ADC_FIFO_REG);
@@ -2964,9 +2964,9 @@ static void pio_drain_ai_fifo_32(struct comedi_device *dev)
 /* empty fifo */
 static void pio_drain_ai_fifo(struct comedi_device *dev)
 {
-	if (board(dev)->layout == LAYOUT_4020) {
+	if (board(dev)->layout == LAYOUT_4020)
 		pio_drain_ai_fifo_32(dev);
-	} else
+	else
 		pio_drain_ai_fifo_16(dev);
 }
 
@@ -3038,9 +3038,9 @@ void handle_ai_interrupt(struct comedi_device *dev, unsigned short status,
 		       priv(dev)->plx9080_iobase + PLX_DMA1_CS_REG);
 		DEBUG_PRINT("dma1 status 0x%x\n", dma1_status);
 
-		if (dma1_status & PLX_DMA_EN_BIT) {
+		if (dma1_status & PLX_DMA_EN_BIT)
 			drain_dma_buffers(dev, 1);
-		}
+
 		DEBUG_PRINT(" cleared dma ch1 interrupt\n");
 	}
 	spin_unlock_irqrestore(&dev->spinlock, flags);

From 003b3e9408425b6bd0b807108ee4cff5498125d3 Mon Sep 17 00:00:00 2001
From: Jason Wong <tsanghan@gmail.com>
Date: Sat, 27 Mar 2010 09:48:43 +0800
Subject: [PATCH 0883/3638] Staging: comedi: cb_pcidas64: fixed a coding style
 missed in the previous patch

Fixed a coding style issue.

Signed-off-by: Jason Wong <tsanghan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/cb_pcidas64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 1d43d0d6f07..f17cb09acb2 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -1921,7 +1921,7 @@ static int detach(struct comedi_device *dev)
 						    ao_dma_desc_bus_addr);
 			if (priv(dev)->main_phys_iobase)
 				comedi_pci_disable(priv(dev)->hw_dev);
-	
+
 			pci_dev_put(priv(dev)->hw_dev);
 		}
 	}

From a5729c005c35ce5b7b8cdbe407c0d0dedf4991dd Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Tue, 16 Mar 2010 17:24:47 +0200
Subject: [PATCH 0884/3638] Staging: hv: fix spaces coding style issue in
 vstorage.h

This is a patch to the vstorage.h file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools, like
spaces required around that ':' (ctx:VxV)

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/vstorage.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/hv/vstorage.h b/drivers/staging/hv/vstorage.h
index 6d160a53914..4ea597d7a7d 100644
--- a/drivers/staging/hv/vstorage.h
+++ b/drivers/staging/hv/vstorage.h
@@ -28,7 +28,7 @@
 #define REVISION_STRING(REVISION_) #REVISION_
 #define FILL_VMSTOR_REVISION(RESULT_LVALUE_)				\
 {									\
-	char *revisionString = REVISION_STRING($Revision: 6 $) + 11;	\
+	char *revisionString = REVISION_STRING($Revision : 6 $) + 11;	\
 	RESULT_LVALUE_ = 0;						\
 	while (*revisionString >= '0' && *revisionString <= '9') {	\
 		RESULT_LVALUE_ *= 10;					\

From c6fcf0baa6367fecd3e025253700b64ccff8c1eb Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Tue, 27 Apr 2010 16:23:47 -0400
Subject: [PATCH 0885/3638] Staging: hv: don't use dynamic sized array

NetVscOnChannelCallback() used a dynamic sized array that also made
the frame size over 2048.  Replace it with a buffer allocated from
kzalloc.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/NetVsc.c | 25 ++++++++++++++++---------
 drivers/staging/hv/NetVsc.h |  1 +
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index f84942df3bb..a48e6376ce2 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -1288,28 +1288,33 @@ static void NetVscOnReceiveCompletion(void *Context)
 
 void NetVscOnChannelCallback(void *Context)
 {
-	const int netPacketSize = 2048;
 	int ret;
 	struct hv_device *device = Context;
 	struct netvsc_device *netDevice;
 	u32 bytesRecvd;
 	u64 requestId;
-	unsigned char packet[netPacketSize];
+	unsigned char *packet;
 	struct vmpacket_descriptor *desc;
-	unsigned char *buffer = packet;
-	int bufferlen = netPacketSize;
+	unsigned char *buffer;
+	int bufferlen = NETVSC_PACKET_SIZE;
 
 
 	DPRINT_ENTER(NETVSC);
 
 	ASSERT(device);
 
+	packet = kzalloc(NETVSC_PACKET_SIZE * sizeof(unsigned char),
+			 GFP_KERNEL);
+	if (!packet)
+		return;
+	buffer = packet;
+
 	netDevice = GetInboundNetDevice(device);
 	if (!netDevice) {
 		DPRINT_ERR(NETVSC, "net device (%p) shutting down..."
 			   "ignoring inbound packets", netDevice);
 		DPRINT_EXIT(NETVSC);
-		return;
+		goto out;
 	}
 
 	do {
@@ -1341,17 +1346,17 @@ void NetVscOnChannelCallback(void *Context)
 				}
 
 				/* reset */
-				if (bufferlen > netPacketSize) {
+				if (bufferlen > NETVSC_PACKET_SIZE) {
 					kfree(buffer);
 					buffer = packet;
-					bufferlen = netPacketSize;
+					bufferlen = NETVSC_PACKET_SIZE;
 				}
 			} else {
 				/* reset */
-				if (bufferlen > netPacketSize) {
+				if (bufferlen > NETVSC_PACKET_SIZE) {
 					kfree(buffer);
 					buffer = packet;
-					bufferlen = netPacketSize;
+					bufferlen = NETVSC_PACKET_SIZE;
 				}
 
 				break;
@@ -1375,5 +1380,7 @@ void NetVscOnChannelCallback(void *Context)
 
 	PutNetDevice(device);
 	DPRINT_EXIT(NETVSC);
+out:
+	kfree(buffer);
 	return;
 }
diff --git a/drivers/staging/hv/NetVsc.h b/drivers/staging/hv/NetVsc.h
index 6e0e0349412..a6264db8388 100644
--- a/drivers/staging/hv/NetVsc.h
+++ b/drivers/staging/hv/NetVsc.h
@@ -289,6 +289,7 @@ struct nvsp_message {
 /* Preallocated receive packets */
 #define NETVSC_RECEIVE_PACKETLIST_COUNT		256
 
+#define NETVSC_PACKET_SIZE                      2048
 
 /* Per netvsc channel-specific */
 struct netvsc_device {

From 81b571b77134aed29b9725f161dec6a37b48db68 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Tue, 27 Apr 2010 16:23:48 -0400
Subject: [PATCH 0886/3638] Staging: hv: declare NetVscOnChannelCallback()
 static

NetVscOnChannelCallback() was prototyped as static, but the actual
declartion of the function was not static.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/NetVsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index a48e6376ce2..27516d40b6e 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -1286,7 +1286,7 @@ static void NetVscOnReceiveCompletion(void *Context)
 	DPRINT_EXIT(NETVSC);
 }
 
-void NetVscOnChannelCallback(void *Context)
+static void NetVscOnChannelCallback(void *Context)
 {
 	int ret;
 	struct hv_device *device = Context;

From 1bf2ee4ea19d3ebeb8fe35c03dd44cb1d851e19f Mon Sep 17 00:00:00 2001
From: David Binderman <dcb314@hotmail.com>
Date: Fri, 19 Mar 2010 09:28:07 +0000
Subject: [PATCH 0887/3638] Staging: comedi: das1800: fix kfree coding style
 issue

Signed-off-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/das1800.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 3c3e0455c7c..d91c2d9d595 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -797,10 +797,8 @@ static int das1800_detach(struct comedi_device *dev)
 			free_dma(devpriv->dma0);
 		if (devpriv->dma1)
 			free_dma(devpriv->dma1);
-		if (devpriv->ai_buf0)
-			kfree(devpriv->ai_buf0);
-		if (devpriv->ai_buf1)
-			kfree(devpriv->ai_buf1);
+		kfree(devpriv->ai_buf0);
+		kfree(devpriv->ai_buf1);
 	}
 
 	printk("comedi%d: %s: remove\n", dev->minor,

From 8487d0e93a24de43c847b923f7bbbd9097e59d47 Mon Sep 17 00:00:00 2001
From: Stephen Palmateer <stephen.palmateer@netsweeper.com>
Date: Tue, 23 Mar 2010 21:32:14 -0400
Subject: [PATCH 0888/3638] Staging: comedi: comedi_parport: added KERN_
 facility levels to printk messages.

This is a patch to the comedi_parport.c file that fixes the
KERN_ facility warnings found by the checkpatch.pl tool

Signed-off-by: Stephen Palmateer <stephen.palmateer@netsweeper.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/comedi_parport.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/comedi_parport.c b/drivers/staging/comedi/drivers/comedi_parport.c
index 043afe4439c..fcd7721c553 100644
--- a/drivers/staging/comedi/drivers/comedi_parport.c
+++ b/drivers/staging/comedi/drivers/comedi_parport.c
@@ -309,18 +309,18 @@ static int parport_attach(struct comedi_device *dev,
 	iobase = it->options[0];
 	printk(KERN_INFO "comedi%d: parport: 0x%04lx ", dev->minor, iobase);
 	if (!request_region(iobase, PARPORT_SIZE, "parport (comedi)")) {
-		printk("I/O port conflict\n");
+		printk(KERN_ERR "I/O port conflict\n");
 		return -EIO;
 	}
 	dev->iobase = iobase;
 
 	irq = it->options[1];
 	if (irq) {
-		printk(" irq=%u", irq);
+		printk(KERN_INFO " irq=%u", irq);
 		ret = request_irq(irq, parport_interrupt, 0, "comedi_parport",
 				  dev);
 		if (ret < 0) {
-			printk(" irq not available\n");
+			printk(KERN_ERR " irq not available\n");
 			return -EINVAL;
 		}
 		dev->irq = irq;
@@ -380,13 +380,13 @@ static int parport_attach(struct comedi_device *dev,
 	devpriv->c_data = 0;
 	outb(devpriv->c_data, dev->iobase + PARPORT_C);
 
-	printk("\n");
+	printk(KERN_INFO "\n");
 	return 1;
 }
 
 static int parport_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: parport: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: parport: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, PARPORT_SIZE);

From 4ca62584a495f97869c1cbc5a61a140a38c8f375 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sun, 28 Mar 2010 14:48:34 +0300
Subject: [PATCH 0889/3638] Staging: comedi: dt2801.c: off by one issue

"dac_range_table" has 5 elements.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/dt2801.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c
index 3f365aee482..83fb6e56c3e 100644
--- a/drivers/staging/comedi/drivers/dt2801.c
+++ b/drivers/staging/comedi/drivers/dt2801.c
@@ -472,7 +472,7 @@ static const struct comedi_lrange *dac_range_table[] = {
 
 static const struct comedi_lrange *dac_range_lkup(int opt)
 {
-	if (opt < 0 || opt > 5)
+	if (opt < 0 || opt >= 5)
 		return &range_unknown;
 	return dac_range_table[opt];
 }

From 48fe6039452cac9b98f2b4e1313e35765c2769df Mon Sep 17 00:00:00 2001
From: Gorskin Ilya <revent82@gmail.com>
Date: Sat, 3 Apr 2010 12:18:25 +0600
Subject: [PATCH 0890/3638] Staging: comedi: fix coding style issue in comedi.h

This is a patch to the comedi.h files that fixes up errors found by the
checkpatch.pl tool

Signed-off-by: Gorskin Ilya <revent82@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi.h | 55 +++++++++++++++++++++------------
 1 file changed, 36 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index b559a9c2f85..1251e074cb2 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -490,7 +490,8 @@
 		I8254_BINARY = 0
 	};
 
-	static inline unsigned NI_USUAL_PFI_SELECT(unsigned pfi_channel) {
+	static inline unsigned NI_USUAL_PFI_SELECT(unsigned pfi_channel)
+	{
 		if (pfi_channel < 10)
 			return 0x1 + pfi_channel;
 		else
@@ -590,14 +591,17 @@
 		NI_GPCT_PRESCALE_X8_CLOCK_SRC_BITS = 0x20000000,	/* divide source by 8 */
 		NI_GPCT_INVERT_CLOCK_SRC_BIT = 0x80000000
 	};
-	static inline unsigned NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(unsigned n) {
+	static inline unsigned NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(unsigned n)
+	{
 		/* NI 660x-specific */
 		return 0x10 + n;
 	}
-	static inline unsigned NI_GPCT_RTSI_CLOCK_SRC_BITS(unsigned n) {
+	static inline unsigned NI_GPCT_RTSI_CLOCK_SRC_BITS(unsigned n)
+	{
 		return 0x18 + n;
 	}
-	static inline unsigned NI_GPCT_PFI_CLOCK_SRC_BITS(unsigned n) {
+	static inline unsigned NI_GPCT_PFI_CLOCK_SRC_BITS(unsigned n)
+	{
 		/* no pfi on NI 660x */
 		return 0x20 + n;
 	}
@@ -625,16 +629,20 @@ May be bitwise-or'd with CR_EDGE or CR_INVERT. */
 		   we should add them here with an offset of 0x300 when known. */
 		NI_GPCT_DISABLED_GATE_SELECT = 0x8000,
 	};
-	static inline unsigned NI_GPCT_GATE_PIN_GATE_SELECT(unsigned n) {
+	static inline unsigned NI_GPCT_GATE_PIN_GATE_SELECT(unsigned n)
+	{
 		return 0x102 + n;
 	}
-	static inline unsigned NI_GPCT_RTSI_GATE_SELECT(unsigned n) {
+	static inline unsigned NI_GPCT_RTSI_GATE_SELECT(unsigned n)
+	{
 		return NI_USUAL_RTSI_SELECT(n);
 	}
-	static inline unsigned NI_GPCT_PFI_GATE_SELECT(unsigned n) {
+	static inline unsigned NI_GPCT_PFI_GATE_SELECT(unsigned n)
+	{
 		return NI_USUAL_PFI_SELECT(n);
 	}
-	static inline unsigned NI_GPCT_UP_DOWN_PIN_GATE_SELECT(unsigned n) {
+	static inline unsigned NI_GPCT_UP_DOWN_PIN_GATE_SELECT(unsigned n)
+	{
 		return 0x202 + n;
 	}
 
@@ -650,7 +658,8 @@ INSN_CONFIG_SET_OTHER_SRC when using NI general-purpose counters. */
 		/* Still unknown, probably only need NI_GPCT_PFI_OTHER_SELECT */
 		NI_GPCT_DISABLED_OTHER_SELECT = 0x8000,
 	};
-	static inline unsigned NI_GPCT_PFI_OTHER_SELECT(unsigned n) {
+	static inline unsigned NI_GPCT_PFI_OTHER_SELECT(unsigned n)
+	{
 		return NI_USUAL_PFI_SELECT(n);
 	}
 
@@ -699,7 +708,8 @@ INSN_CONFIG_ARM */
 		NI_MIO_PLL_PXI10_CLOCK = 3,
 		NI_MIO_PLL_RTSI0_CLOCK = 4
 	};
-	static inline unsigned NI_MIO_PLL_RTSI_CLOCK(unsigned rtsi_channel) {
+	static inline unsigned NI_MIO_PLL_RTSI_CLOCK(unsigned rtsi_channel)
+	{
 		return NI_MIO_PLL_RTSI0_CLOCK + rtsi_channel;
 	}
 
@@ -719,7 +729,8 @@ INSN_CONFIG_ARM */
 		NI_RTSI_OUTPUT_RTSI_OSC = 12	/* pre-m-series always have RTSI clock
 						   on line 7 */
 	};
-	static inline unsigned NI_RTSI_OUTPUT_RTSI_BRD(unsigned n) {
+	static inline unsigned NI_RTSI_OUTPUT_RTSI_BRD(unsigned n)
+	{
 		return NI_RTSI_OUTPUT_RTSI_BRD_0 + n;
 	}
 
@@ -754,7 +765,8 @@ INSN_CONFIG_ARM */
 		NI_PFI_OUTPUT_CDI_SAMPLE = 29,
 		NI_PFI_OUTPUT_CDO_UPDATE = 30
 	};
-	static inline unsigned NI_PFI_OUTPUT_RTSI(unsigned rtsi_channel) {
+	static inline unsigned NI_PFI_OUTPUT_RTSI(unsigned rtsi_channel)
+	{
 		return NI_PFI_OUTPUT_RTSI0 + rtsi_channel;
 	}
 
@@ -772,10 +784,12 @@ INSN_CONFIG_ARM */
 /* NI External Trigger lines.  These values are not arbitrary, but are related
  * to the bits required to program the board (offset by 1 for historical
  * reasons). */
-	static inline unsigned NI_EXT_PFI(unsigned pfi_channel) {
+	static inline unsigned NI_EXT_PFI(unsigned pfi_channel)
+	{
 		return NI_USUAL_PFI_SELECT(pfi_channel) - 1;
 	}
-	static inline unsigned NI_EXT_RTSI(unsigned rtsi_channel) {
+	static inline unsigned NI_EXT_RTSI(unsigned rtsi_channel)
+	{
 		return NI_USUAL_RTSI_SELECT(rtsi_channel) - 1;
 	}
 
@@ -801,21 +815,24 @@ INSN_CONFIG_ARM */
 		NI_CDIO_SCAN_BEGIN_SRC_FREQ_OUT = 32,
 		NI_CDIO_SCAN_BEGIN_SRC_DIO_CHANGE_DETECT_IRQ = 33
 	};
-	static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_PFI(unsigned pfi_channel) {
+	static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_PFI(unsigned pfi_channel)
+	{
 		return NI_USUAL_PFI_SELECT(pfi_channel);
 	}
-	static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_RTSI(unsigned
-							   rtsi_channel) {
+	static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_RTSI(unsigned rtsi_channel)
+	{
 		return NI_USUAL_RTSI_SELECT(rtsi_channel);
 	}
 
 /* scan_begin_src for scan_begin_arg==TRIG_EXT with analog output command on NI
  * boards.  These scan begin sources can also be bitwise-or'd with CR_INVERT to
  * change polarity. */
-	static inline unsigned NI_AO_SCAN_BEGIN_SRC_PFI(unsigned pfi_channel) {
+	static inline unsigned NI_AO_SCAN_BEGIN_SRC_PFI(unsigned pfi_channel)
+	{
 		return NI_USUAL_PFI_SELECT(pfi_channel);
 	}
-	static inline unsigned NI_AO_SCAN_BEGIN_SRC_RTSI(unsigned rtsi_channel) {
+	static inline unsigned NI_AO_SCAN_BEGIN_SRC_RTSI(unsigned rtsi_channel)
+	{
 		return NI_USUAL_RTSI_SELECT(rtsi_channel);
 	}
 

From c76a326f9256e1779dc676781faf19f3a534c147 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Fern=C3=A1ndez?= <dfcastelao@gmail.com>
Date: Mon, 12 Apr 2010 15:19:23 -0400
Subject: [PATCH 0891/3638] Staging: comedi: add new driver for Adlink PCI-7230
 devices

Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/Makefile      |   1 +
 drivers/staging/comedi/drivers/adl_pci7230.c | 206 +++++++++++++++++++
 2 files changed, 207 insertions(+)
 create mode 100644 drivers/staging/comedi/drivers/adl_pci7230.c

diff --git a/drivers/staging/comedi/drivers/Makefile b/drivers/staging/comedi/drivers/Makefile
index df2854d543c..be995144e20 100644
--- a/drivers/staging/comedi/drivers/Makefile
+++ b/drivers/staging/comedi/drivers/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_3120.o
 obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_3501.o
 obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_3xxx.o
 obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci6208.o
+obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci7230.o
 obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci7296.o
 obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci7432.o
 obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci8164.o
diff --git a/drivers/staging/comedi/drivers/adl_pci7230.c b/drivers/staging/comedi/drivers/adl_pci7230.c
new file mode 100644
index 00000000000..24a82eb9d15
--- /dev/null
+++ b/drivers/staging/comedi/drivers/adl_pci7230.c
@@ -0,0 +1,206 @@
+/*
+    comedi/drivers/adl_pci7230.c
+
+    Hardware comedi driver fot PCI7230 Adlink card
+    Copyright (C) 2010 David Fernandez <dfcastelao@gmail.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+/*
+Driver: adl_pci7230
+Description: Driver for the Adlink PCI-7230 32 ch. isolated digital io board
+Devices: [ADLink] PCI-7230 (adl_pci7230)
+Author: David Fernandez <dfcastelao@gmail.com>
+Status: experimental
+Updated: Mon, 14 Apr 2008 15:08:14 +0100
+
+Configuration Options:
+  [0] - PCI bus of device (optional)
+  [1] - PCI slot of device (optional)
+  If bus/slot is not specified, the first supported
+  PCI device found will be used.
+*/
+
+#include "../comedidev.h"
+#include <linux/kernel.h>
+#include "comedi_pci.h"
+
+#define PCI7230_DI      0x00
+#define PCI7230_DO	    0x00
+
+#define PCI_DEVICE_ID_PCI7230 0x7230
+
+static DEFINE_PCI_DEVICE_TABLE(adl_pci7230_pci_table) = {
+	{
+		PCI_VENDOR_ID_ADLINK,
+		PCI_DEVICE_ID_PCI7230,
+		PCI_ANY_ID,
+		PCI_ANY_ID,
+		0,
+		0,
+		0
+	},
+	{0}
+};
+
+MODULE_DEVICE_TABLE(pci, adl_pci7230_pci_table);
+
+struct adl_pci7230_private {
+	int data;
+	struct pci_dev *pci_dev;
+};
+
+#define devpriv ((struct adl_pci7230_private *)dev->private)
+
+static int adl_pci7230_attach(struct comedi_device *dev,
+	struct comedi_devconfig *it);
+static int adl_pci7230_detach(struct comedi_device *dev);
+static struct comedi_driver driver_adl_pci7230 = {
+	.driver_name = "adl_pci7230",
+	.module = THIS_MODULE,
+	.attach = adl_pci7230_attach,
+	.detach = adl_pci7230_detach,
+};
+
+/* Digital IO */
+
+static int adl_pci7230_di_insn_bits(struct comedi_device *dev,
+	struct comedi_subdevice *s,
+	struct comedi_insn *insn,
+	unsigned int *data);
+
+static int adl_pci7230_do_insn_bits(struct comedi_device *dev,
+	struct comedi_subdevice *s,
+	struct comedi_insn *insn,
+	unsigned int *data);
+
+static int adl_pci7230_attach(struct comedi_device *dev,
+	struct comedi_devconfig *it)
+{
+	struct pci_dev *pcidev;
+	struct comedi_subdevice *s;
+	int bus, slot;
+
+	printk(KERN_INFO "comedi%d: adl_pci7230\n", dev->minor);
+
+	dev->board_name = "pci7230";
+	bus = it->options[0];
+	slot = it->options[1];
+
+	if (alloc_private(dev, sizeof(struct adl_pci7230_private)) < 0)
+		return -ENOMEM;
+
+	if (alloc_subdevices(dev, 2) < 0)
+		return -ENOMEM;
+
+	for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
+		pcidev != NULL;
+		pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {
+
+		if (pcidev->vendor == PCI_VENDOR_ID_ADLINK &&
+			pcidev->device == PCI_DEVICE_ID_PCI7230) {
+			if (bus || slot) {
+				/* requested particular bus/slot */
+				if (pcidev->bus->number != bus ||
+					PCI_SLOT(pcidev->devfn) != slot) {
+					continue;
+				}
+			}
+			devpriv->pci_dev = pcidev;
+			break;
+		}
+	}
+	if (pcidev == NULL) {
+		printk(KERN_ERR "comedi%d: no supported board found! (req. bus/slot : %d/%d)\n",
+			dev->minor, bus, slot);
+		return -EIO;
+	}
+	if (comedi_pci_enable(pcidev, "adl_pci7230") < 0) {
+		printk(KERN_ERR "comedi%d: Failed to enable PCI device and request regions\n",
+			dev->minor);
+		return -EIO;
+	}
+	dev->iobase = pci_resource_start(pcidev, 2);
+	printk(KERN_DEBUG "comedi: base addr %4lx\n", dev->iobase);
+
+	s = dev->subdevices + 0;
+	/* Isolated do */
+	s->type = COMEDI_SUBD_DO;
+	s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
+	s->n_chan = 16;
+	s->maxdata = 1;
+	s->range_table = &range_digital;
+	s->insn_bits = adl_pci7230_do_insn_bits;
+
+	s = dev->subdevices + 1;
+	/* Isolated di */
+	s->type = COMEDI_SUBD_DI;
+	s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
+	s->n_chan = 16;
+	s->maxdata = 1;
+	s->range_table = &range_digital;
+	s->insn_bits = adl_pci7230_di_insn_bits;
+
+	printk(KERN_DEBUG "comedi: attached\n");
+
+	return 1;
+}
+
+static int adl_pci7230_detach(struct comedi_device *dev)
+{
+	printk(KERN_DEBUG "comedi%d: pci7230: remove\n", dev->minor);
+
+	if (devpriv && devpriv->pci_dev) {
+		if (dev->iobase)
+			comedi_pci_disable(devpriv->pci_dev);
+		pci_dev_put(devpriv->pci_dev);
+	}
+
+	return 0;
+}
+
+static int adl_pci7230_do_insn_bits(struct comedi_device *dev,
+	struct comedi_subdevice *s,
+	struct comedi_insn *insn,
+	unsigned int *data)
+{
+	if (insn->n != 2)
+		return -EINVAL;
+
+	if (data[0]) {
+		s->state &= ~data[0];
+		s->state |= (data[0] & data[1]);
+
+		outl((s->state  << 16) & 0xffffffff, dev->iobase + PCI7230_DO);
+	}
+
+	return 2;
+}
+
+static int adl_pci7230_di_insn_bits(struct comedi_device *dev,
+	struct comedi_subdevice *s,
+	struct comedi_insn *insn,
+	unsigned int *data)
+{
+	if (insn->n != 2)
+		return -EINVAL;
+
+	data[1] = inl(dev->iobase + PCI7230_DI) & 0xffffffff;
+
+	return 2;
+}
+
+COMEDI_PCI_INITCLEANUP(driver_adl_pci7230, adl_pci7230_pci_table);

From 3c0d681e7d31fe747a2cbed0a93dd92049521683 Mon Sep 17 00:00:00 2001
From: Gustavo Silva <silvagustavosilva@gmail.com>
Date: Wed, 21 Apr 2010 00:34:35 -0500
Subject: [PATCH 0892/3638] Staging: comedi: drivers: fix coding style issues
 in das16.c

This is a patch to the das16.c file that fixes up the following issues
found by the checkpatch.pl tool.

WARNING: line over 80 characters x 23
ERROR: spaces required around that '?' (ctx:VxV) x 2
ERROR: spaces required around that ':' (ctx:VxV) x 2
WARNING: printk() should include KERN_ facility level x 17
WARNING: braces {} are not necessary for single statement blocks x 8

Signed-off-by: Gustavo Silva <silvagustavo@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/das16.c | 159 ++++++++++++++-----------
 1 file changed, 90 insertions(+), 69 deletions(-)

diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c
index f2aadda9b24..ccee4f1802d 100644
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -74,7 +74,8 @@ Keithley Manuals:
 	4922.PDF (das-1400)
 	4923.PDF (das1200, 1400, 1600)
 
-Computer boards manuals also available from their website www.measurementcomputing.com
+Computer boards manuals also available from their website
+www.measurementcomputing.com
 
 */
 
@@ -92,7 +93,8 @@ Computer boards manuals also available from their website www.measurementcomputi
 /* #define DEBUG */
 
 #ifdef DEBUG
-#define DEBUG_PRINT(format, args...) printk("das16: " format, ## args)
+#define DEBUG_PRINT(format, args...)	\
+	printk(KERN_DEBUG "das16: " format, ## args)
 #else
 #define DEBUG_PRINT(format, args...)
 #endif
@@ -186,15 +188,16 @@ Computer boards manuals also available from their website www.measurementcomputi
 
 */
 
-static const int sample_size = 2;	/*  size in bytes of a sample from board */
+/*  size in bytes of a sample from board */
+static const int sample_size = 2;
 
 #define DAS16_TRIG		0
 #define DAS16_AI_LSB		0
 #define DAS16_AI_MSB		1
 #define DAS16_MUX		2
 #define DAS16_DIO		3
-#define DAS16_AO_LSB(x)	((x)?6:4)
-#define DAS16_AO_MSB(x)	((x)?7:5)
+#define DAS16_AO_LSB(x)	((x) ? 6 : 4)
+#define DAS16_AO_MSB(x)	((x) ? 7 : 5)
 #define DAS16_STATUS		8
 #define   BUSY			(1<<7)
 #define   UNIPOLAR			(1<<6)
@@ -271,7 +274,7 @@ static const struct comedi_lrange range_das1x02_unip = { 4, {
 };
 
 static const struct comedi_lrange range_das16jr = { 9, {
-							/*  also used by 16/330 */
+						/*  also used by 16/330 */
 							BIP_RANGE(10),
 							BIP_RANGE(5),
 							BIP_RANGE(2.5),
@@ -547,7 +550,8 @@ static const struct das16_board das16_boards[] = {
 	 .id = 0x20,
 	 },
 	{
-	 .name = "das-1401",	/*  4919.pdf and 4922.pdf (keithley user's manual) */
+	/*  4919.pdf and 4922.pdf (keithley user's manual) */
+	 .name = "das-1401",
 	 .ai = das16_ai_rinsn,
 	 .ai_nbits = 12,
 	 .ai_speed = 10000,
@@ -558,10 +562,11 @@ static const struct das16_board das16_boards[] = {
 	 .i8255_offset = 0x0,
 	 .i8254_offset = 0x0c,
 	 .size = 0x408,
-	 .id = 0xc0		/*  4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */
+	 .id = 0xc0   /*  4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */
 	 },
 	{
-	 .name = "das-1402",	/*  4919.pdf and 4922.pdf (keithley user's manual) */
+	/*  4919.pdf and 4922.pdf (keithley user's manual) */
+	 .name = "das-1402",
 	 .ai = das16_ai_rinsn,
 	 .ai_nbits = 12,
 	 .ai_speed = 10000,
@@ -572,7 +577,7 @@ static const struct das16_board das16_boards[] = {
 	 .i8255_offset = 0x0,
 	 .i8254_offset = 0x0c,
 	 .size = 0x408,
-	 .id = 0xc0		/*  4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */
+	 .id = 0xc0   /*  4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */
 	 },
 	{
 	 .name = "das-1601",	/*  4919.pdf */
@@ -704,7 +709,8 @@ static const struct das16_board das16_boards[] = {
 	 .name = "das16/jr/ctr5",	/*  ? */
 	 },
 	{
-	 .name = "cio-das16/m1/16",	/*  cio-das16_m1_16.pdf, this board is a bit quirky, no dma */
+	/*  cio-das16_m1_16.pdf, this board is a bit quirky, no dma */
+	 .name = "cio-das16/m1/16",
 	 },
 #endif
 };
@@ -736,14 +742,19 @@ struct das16_private_struct {
 	unsigned int clockbase;	/*  master clock speed in ns */
 	volatile unsigned int control_state;	/*  dma, interrupt and trigger control bits */
 	volatile unsigned long adc_byte_count;	/*  number of bytes remaining */
-	unsigned int divisor1;	/*  divisor dividing master clock to get conversion frequency */
-	unsigned int divisor2;	/*  divisor dividing master clock to get conversion frequency */
+	/*  divisor dividing master clock to get conversion frequency */
+	unsigned int divisor1;
+	/*  divisor dividing master clock to get conversion frequency */
+	unsigned int divisor2;
 	unsigned int dma_chan;	/*  dma channel */
 	uint16_t *dma_buffer[2];
 	dma_addr_t dma_buffer_addr[2];
 	unsigned int current_buffer;
 	volatile unsigned int dma_transfer_size;	/*  target number of bytes to transfer per dma shot */
-	/*  user-defined analog input and output ranges defined from config options */
+	/**
+	 * user-defined analog input and output ranges
+	 * defined from config options
+	 */
 	struct comedi_lrange *user_ai_range_table;
 	struct comedi_lrange *user_ao_range_table;
 
@@ -798,7 +809,10 @@ static int das16_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/**
+	 * step 2: make sure trigger sources are unique and
+	 * mutually compatible
+	 */
 	if (cmd->scan_begin_src != TRIG_TIMER &&
 	    cmd->scan_begin_src != TRIG_EXT &&
 	    cmd->scan_begin_src != TRIG_FOLLOW)
@@ -893,12 +907,15 @@ static int das16_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s,
 			if (CR_CHAN(cmd->chanlist[i]) !=
 			    (start_chan + i) % s->n_chan) {
 				comedi_error(dev,
-					     "entries in chanlist must be consecutive channels, counting upwards\n");
+						"entries in chanlist must be "
+						"consecutive channels, "
+						"counting upwards\n");
 				err++;
 			}
 			if (CR_RANGE(cmd->chanlist[i]) != gain) {
 				comedi_error(dev,
-					     "entries in chanlist must all have the same gain\n");
+						"entries in chanlist must all "
+						"have the same gain\n");
 				err++;
 			}
 		}
@@ -920,12 +937,13 @@ static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s)
 	if (devpriv->dma_chan == 0 || (dev->irq == 0
 				       && devpriv->timer_mode == 0)) {
 		comedi_error(dev,
-			     "irq (or use of 'timer mode') dma required to execute comedi_cmd");
+				"irq (or use of 'timer mode') dma required to "
+							"execute comedi_cmd");
 		return -1;
 	}
 	if (cmd->flags & TRIG_RT) {
-		comedi_error(dev,
-			     "isa dma transfers cannot be performed with TRIG_RT, aborting");
+		comedi_error(dev, "isa dma transfers cannot be performed with "
+							"TRIG_RT, aborting");
 		return -1;
 	}
 
@@ -933,16 +951,17 @@ static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s)
 	    cmd->stop_arg * cmd->chanlist_len * sizeof(uint16_t);
 
 	/*  disable conversions for das1600 mode */
-	if (thisboard->size > 0x400) {
+	if (thisboard->size > 0x400)
 		outb(DAS1600_CONV_DISABLE, dev->iobase + DAS1600_CONV);
-	}
+
 	/*  set scan limits */
 	byte = CR_CHAN(cmd->chanlist[0]);
 	byte |= CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1]) << 4;
 	outb(byte, dev->iobase + DAS16_MUX);
 
 	/* set gain (this is also burst rate register but according to
-	 * computer boards manual, burst rate does nothing, even on keithley cards) */
+	 * computer boards manual, burst rate does nothing, even on
+	 * keithley cards) */
 	if (thisboard->ai_pg != das16_pg_none) {
 		range = CR_RANGE(cmd->chanlist[0]);
 		outb((das16_gainlists[thisboard->ai_pg])[range],
@@ -1005,9 +1024,9 @@ static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s)
 	outb(devpriv->control_state, dev->iobase + DAS16_CONTROL);
 
 	/* Enable conversions if using das1600 mode */
-	if (thisboard->size > 0x400) {
+	if (thisboard->size > 0x400)
 		outb(0, dev->iobase + DAS1600_CONV);
-	}
+
 
 	return 0;
 }
@@ -1030,9 +1049,9 @@ static int das16_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 	}
 
 	/* disable burst mode */
-	if (thisboard->size > 0x400) {
+	if (thisboard->size > 0x400)
 		outb(0, dev->iobase + DAS1600_BURST);
-	}
+
 
 	spin_unlock_irqrestore(&dev->spinlock, flags);
 
@@ -1085,11 +1104,11 @@ static int das16_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 		}
 		msb = inb(dev->iobase + DAS16_AI_MSB);
 		lsb = inb(dev->iobase + DAS16_AI_LSB);
-		if (thisboard->ai_nbits == 12) {
+		if (thisboard->ai_nbits == 12)
 			data[n] = ((lsb >> 4) & 0xf) | (msb << 4);
-		} else {
+		else
 			data[n] = lsb | (msb << 8);
-		}
+
 	}
 
 	return n;
@@ -1207,8 +1226,8 @@ static int disable_dma_on_even(struct comedi_device *dev)
 		residue = get_dma_residue(devpriv->dma_chan);
 	}
 	if (i == disable_limit) {
-		comedi_error(dev,
-			     "failed to get an even dma transfer, could be trouble.");
+		comedi_error(dev, "failed to get an even dma transfer, "
+							"could be trouble.");
 	}
 	return residue;
 }
@@ -1254,7 +1273,8 @@ static void das16_interrupt(struct comedi_device *dev)
 	} else
 		num_bytes = devpriv->dma_transfer_size - residue;
 
-	if (cmd->stop_src == TRIG_COUNT && num_bytes >= devpriv->adc_byte_count) {
+	if (cmd->stop_src == TRIG_COUNT &&
+					num_bytes >= devpriv->adc_byte_count) {
 		num_bytes = devpriv->adc_byte_count;
 		async->events |= COMEDI_CB_EOA;
 	}
@@ -1275,9 +1295,9 @@ static void das16_interrupt(struct comedi_device *dev)
 		set_dma_count(devpriv->dma_chan, devpriv->dma_transfer_size);
 		enable_dma(devpriv->dma_chan);
 		/* reenable conversions for das1600 mode, (stupid hardware) */
-		if (thisboard->size > 0x400 && devpriv->timer_mode == 0) {
+		if (thisboard->size > 0x400 && devpriv->timer_mode == 0)
 			outb(0x00, dev->iobase + DAS1600_CONV);
-		}
+
 	}
 	release_dma_lock(dma_flags);
 
@@ -1330,25 +1350,25 @@ static int das16_probe(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	status = inb(dev->iobase + DAS16_STATUS);
 
-	if ((status & UNIPOLAR)) {
+	if ((status & UNIPOLAR))
 		devpriv->ai_unipolar = 1;
-	} else {
+	else
 		devpriv->ai_unipolar = 0;
-	}
 
-	if ((status & DAS16_MUXBIT)) {
+
+	if ((status & DAS16_MUXBIT))
 		devpriv->ai_singleended = 1;
-	} else {
+	else
 		devpriv->ai_singleended = 0;
-	}
+
 
 	/* diobits indicates boards */
 
 	diobits = inb(dev->iobase + DAS16_DIO) & 0xf0;
 
-	printk(" id bits are 0x%02x\n", diobits);
+	printk(KERN_INFO " id bits are 0x%02x\n", diobits);
 	if (thisboard->id != diobits) {
-		printk(" requested board's id bits are 0x%x (ignore)\n",
+		printk(KERN_INFO " requested board's id bits are 0x%x (ignore)\n",
 		       thisboard->id);
 	}
 
@@ -1363,10 +1383,10 @@ static int das1600_mode_detect(struct comedi_device *dev)
 
 	if (status & DAS1600_CLK_10MHZ) {
 		devpriv->clockbase = 100;
-		printk(" 10MHz pacer clock\n");
+		printk(KERN_INFO " 10MHz pacer clock\n");
 	} else {
 		devpriv->clockbase = 1000;
-		printk(" 1MHz pacer clock\n");
+		printk(KERN_INFO " 1MHz pacer clock\n");
 	}
 
 	reg_dump(dev);
@@ -1406,14 +1426,15 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	if (timer_mode)
 		irq = 0;
 
-	printk("comedi%d: das16:", dev->minor);
+	printk(KERN_INFO "comedi%d: das16:", dev->minor);
 
 	/*  check that clock setting is valid */
 	if (it->options[3]) {
 		if (it->options[3] != 0 &&
 		    it->options[3] != 1 && it->options[3] != 10) {
 			printk
-			    ("\n Invalid option.  Master clock must be set to 1 or 10 (MHz)\n");
+			    ("\n Invalid option.  Master clock must be set "
+							"to 1 or 10 (MHz)\n");
 			return -EINVAL;
 		}
 	}
@@ -1425,23 +1446,23 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	if (thisboard->size < 0x400) {
 		printk(" 0x%04lx-0x%04lx\n", iobase, iobase + thisboard->size);
 		if (!request_region(iobase, thisboard->size, "das16")) {
-			printk(" I/O port conflict\n");
+			printk(KERN_ERR " I/O port conflict\n");
 			return -EIO;
 		}
 	} else {
-		printk(" 0x%04lx-0x%04lx 0x%04lx-0x%04lx\n",
+		printk(KERN_INFO " 0x%04lx-0x%04lx 0x%04lx-0x%04lx\n",
 		       iobase, iobase + 0x0f,
 		       iobase + 0x400,
 		       iobase + 0x400 + (thisboard->size & 0x3ff));
 		if (!request_region(iobase, 0x10, "das16")) {
-			printk(" I/O port conflict:  0x%04lx-0x%04lx\n",
+			printk(KERN_ERR " I/O port conflict:  0x%04lx-0x%04lx\n",
 			       iobase, iobase + 0x0f);
 			return -EIO;
 		}
 		if (!request_region(iobase + 0x400, thisboard->size & 0x3ff,
 				    "das16")) {
 			release_region(iobase, 0x10);
-			printk(" I/O port conflict:  0x%04lx-0x%04lx\n",
+			printk(KERN_ERR " I/O port conflict:  0x%04lx-0x%04lx\n",
 			       iobase + 0x400,
 			       iobase + 0x400 + (thisboard->size & 0x3ff));
 			return -EIO;
@@ -1452,7 +1473,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	/*  probe id bits to make sure they are consistent */
 	if (das16_probe(dev, it)) {
-		printk(" id bits do not match selected board, aborting\n");
+		printk(KERN_ERR " id bits do not match selected board, aborting\n");
 		return -EINVAL;
 	}
 	dev->board_name = thisboard->name;
@@ -1474,7 +1495,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		if (ret < 0)
 			return ret;
 		dev->irq = irq;
-		printk(" ( irq = %u )", irq);
+		printk(KERN_INFO " ( irq = %u )", irq);
 	} else if (irq == 0) {
 		printk(" ( no irq )");
 	} else {
@@ -1488,16 +1509,15 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		/*  allocate dma buffers */
 		int i;
 		for (i = 0; i < 2; i++) {
-			devpriv->dma_buffer[i] = pci_alloc_consistent(NULL,
-								      DAS16_DMA_SIZE,
-								      &devpriv->
-								      dma_buffer_addr
-								      [i]);
+			devpriv->dma_buffer[i] = pci_alloc_consistent(
+						NULL, DAS16_DMA_SIZE,
+						&devpriv->dma_buffer_addr[i]);
+
 			if (devpriv->dma_buffer[i] == NULL)
 				return -ENOMEM;
 		}
 		if (request_dma(dma_chan, "das16")) {
-			printk(" failed to allocate dma channel %i\n",
+			printk(KERN_ERR " failed to allocate dma channel %i\n",
 			       dma_chan);
 			return -EINVAL;
 		}
@@ -1506,11 +1526,11 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		disable_dma(devpriv->dma_chan);
 		set_dma_mode(devpriv->dma_chan, DMA_MODE_READ);
 		release_dma_lock(flags);
-		printk(" ( dma = %u)\n", dma_chan);
+		printk(KERN_INFO " ( dma = %u)\n", dma_chan);
 	} else if (dma_chan == 0) {
-		printk(" ( no dma )\n");
+		printk(KERN_INFO " ( no dma )\n");
 	} else {
-		printk(" invalid dma channel\n");
+		printk(KERN_ERR " invalid dma channel\n");
 		return -EINVAL;
 	}
 
@@ -1569,7 +1589,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 			s->subdev_flags |= SDF_DIFF;
 		}
 		s->maxdata = (1 << thisboard->ai_nbits) - 1;
-		if (devpriv->user_ai_range_table) {	/*  user defined ai range */
+		if (devpriv->user_ai_range_table) { /*  user defined ai range */
 			s->range_table = devpriv->user_ai_range_table;
 		} else if (devpriv->ai_unipolar) {
 			s->range_table = das16_ai_uni_lranges[thisboard->ai_pg];
@@ -1592,11 +1612,12 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		s->subdev_flags = SDF_WRITABLE;
 		s->n_chan = 2;
 		s->maxdata = (1 << thisboard->ao_nbits) - 1;
-		if (devpriv->user_ao_range_table) {	/*  user defined ao range */
+		/*  user defined ao range */
+		if (devpriv->user_ao_range_table)
 			s->range_table = devpriv->user_ao_range_table;
-		} else {
+		else
 			s->range_table = &range_unknown;
-		}
+
 		s->insn_write = thisboard->ao;
 	} else {
 		s->type = COMEDI_SUBD_UNUSED;
@@ -1656,7 +1677,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 static int das16_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: das16: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: das16: remove\n", dev->minor);
 
 	das16_reset(dev);
 
@@ -1750,8 +1771,8 @@ static void das16_ai_munge(struct comedi_device *dev,
 
 	for (i = 0; i < num_samples; i++) {
 		data[i] = le16_to_cpu(data[i]);
-		if (thisboard->ai_nbits == 12) {
+		if (thisboard->ai_nbits == 12)
 			data[i] = (data[i] >> 4) & 0xfff;
-		}
+
 	}
 }

From b4ae23ce014d25af6c09bf3e82b4fd94b0cd2cb9 Mon Sep 17 00:00:00 2001
From: Gustavo Silva <silvagustavosilva@gmail.com>
Date: Mon, 19 Apr 2010 01:21:10 -0500
Subject: [PATCH 0893/3638] Staging: comedi: drivers: fix coding style issues
 in das08.c

This is a patch to the das08.c file that fixes up the following issues
found by the checkpatch.pl tool.

WARNING: line over 80 characters x 6
ERROR: code indent should use tabs where possible x 3
ERROR: spaces required around that '?' (ctx:VxV) x 4
ERROR: spaces required around that ':' (ctx:VxV) x 4
ERROR: that open brace { should be on the previous line x 1
WARNING: printk() should include KERN_ facility level x 9
WARNING: braces {} are not necessary for single statement blocks x 1
WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable x 2

Signed-off-by: Gustavo Silva <silvagustavo@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/das08.c | 156 +++++++++++++------------
 1 file changed, 82 insertions(+), 74 deletions(-)

diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c
index f4258334532..9cb144f7e70 100644
--- a/drivers/staging/comedi/drivers/das08.c
+++ b/drivers/staging/comedi/drivers/das08.c
@@ -1,55 +1,55 @@
 /*
-    comedi/drivers/das08.c
-    DAS08 driver
+ *  comedi/drivers/das08.c
+ *  DAS08 driver
+ *
+ *  COMEDI - Linux Control and Measurement Device Interface
+ *  Copyright (C) 2000 David A. Schleef <ds@schleef.org>
+ *  Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
+ *  Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *****************************************************************
+ */
 
-    COMEDI - Linux Control and Measurement Device Interface
-    Copyright (C) 2000 David A. Schleef <ds@schleef.org>
-    Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
-    Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*****************************************************************
-
-*/
 /*
-Driver: das08
-Description: DAS-08 compatible boards
-Author: Warren Jasper, ds, Frank Hess
-Devices: [Keithley Metrabyte] DAS08 (isa-das08), [ComputerBoards] DAS08 (isa-das08),
-  DAS08-PGM (das08-pgm),
-  DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
-  DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
-  DAS08/JR-16-AO (das08jr-16-ao), PCI-DAS08 (das08),
-  PC104-DAS08 (pc104-das08), DAS08/JR/16 (das08jr/16)
-Status: works
-
-This is a rewrite of the das08 and das08jr drivers.
-
-Options (for ISA cards):
-        [0] - base io address
-
-Options (for pci-das08):
-        [0] - bus  (optional)
-        [1] = slot (optional)
-
-The das08 driver doesn't support asynchronous commands, since
-the cheap das08 hardware doesn't really support them.  The
-comedi_rt_timer driver can be used to emulate commands for this
-driver.
-*/
+ * Driver: das08
+ * Description: DAS-08 compatible boards
+ * Author: Warren Jasper, ds, Frank Hess
+ * Devices: [Keithley Metrabyte] DAS08 (isa-das08),
+ * [ComputerBoards] DAS08 (isa-das08), DAS08-PGM (das08-pgm),
+ * DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
+ * DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
+ * DAS08/JR-16-AO (das08jr-16-ao), PCI-DAS08 (das08),
+ * PC104-DAS08 (pc104-das08), DAS08/JR/16 (das08jr/16)
+ * Status: works
+ *
+ * This is a rewrite of the das08 and das08jr drivers.
+ *
+ * Options (for ISA cards):
+ *		[0] - base io address
+ *
+ * Options (for pci-das08):
+ *		[0] - bus  (optional)
+ *		[1] = slot (optional)
+ *
+ * The das08 driver doesn't support asynchronous commands, since
+ * the cheap das08 hardware doesn't really support them.  The
+ * comedi_rt_timer driver can be used to emulate commands for this
+ * driver.
+ */
 
 #include "../comedidev.h"
 
@@ -122,8 +122,8 @@ driver.
 */
 
 #define DAS08JR_DIO		3
-#define DAS08JR_AO_LSB(x)	((x)?6:4)
-#define DAS08JR_AO_MSB(x)	((x)?7:5)
+#define DAS08JR_AO_LSB(x)	((x) ? 6 : 4)
+#define DAS08JR_AO_MSB(x)	((x) ? 7 : 5)
 
 /*
     cio-das08_aox.pdf
@@ -148,8 +148,8 @@ driver.
 #define DAS08AO_GAIN_CONTROL	3
 #define DAS08AO_GAIN_STATUS	3
 
-#define DAS08AO_AO_LSB(x)	((x)?0xa:8)
-#define DAS08AO_AO_MSB(x)	((x)?0xb:9)
+#define DAS08AO_AO_LSB(x)	((x) ? 0xa : 8)
+#define DAS08AO_AO_MSB(x)	((x) ? 0xb : 9)
 #define DAS08AO_AO_UPDATE	8
 
 /* gainlist same as _pgx_ below */
@@ -239,8 +239,9 @@ static const struct comedi_lrange *const das08_ai_lranges[] = {
 	&range_das08_pgm,
 };
 
-static const int das08_pgh_gainlist[] =
-    { 8, 0, 10, 2, 12, 4, 14, 6, 1, 3, 5, 7 };
+static const int das08_pgh_gainlist[] = {
+	8, 0, 10, 2, 12, 4, 14, 6, 1, 3, 5, 7
+};
 static const int das08_pgl_gainlist[] = { 8, 0, 2, 4, 6, 1, 3, 5, 7 };
 static const int das08_pgm_gainlist[] = { 8, 0, 10, 12, 14, 9, 11, 13, 15 };
 
@@ -535,7 +536,8 @@ static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 	inb(dev->iobase + DAS08_MSB);
 
 	/* set multiplexer */
-	spin_lock(&dev->spinlock);	/*  lock to prevent race with digital output */
+	/*  lock to prevent race with digital output */
+	spin_lock(&dev->spinlock);
 	devpriv->do_mux_bits &= ~DAS08_MUX_MASK;
 	devpriv->do_mux_bits |= DAS08_MUX(chan);
 	outb(devpriv->do_mux_bits, dev->iobase + DAS08_CONTROL);
@@ -552,7 +554,7 @@ static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 		/* clear over-range bits for 16-bit boards */
 		if (thisboard->ai_nbits == 16)
 			if (inb(dev->iobase + DAS08_MSB) & 0x80)
-				printk("das08: over-range\n");
+				printk(KERN_INFO "das08: over-range\n");
 
 		/* trigger conversion */
 		outb_p(0, dev->iobase + DAS08_TRIG_12BIT);
@@ -562,7 +564,7 @@ static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 				break;
 		}
 		if (i == TIMEOUT) {
-			printk("das08: timeout\n");
+			printk(KERN_ERR "das08: timeout\n");
 			return -ETIME;
 		}
 		msb = inb(dev->iobase + DAS08_MSB);
@@ -607,7 +609,8 @@ static int das08_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
 	/*  set new bit values */
 	wbits |= data[0] & data[1];
 	/*  remember digital output bits */
-	spin_lock(&dev->spinlock);	/*  prevent race with setting of analog input mux */
+	/*  prevent race with setting of analog input mux */
+	spin_lock(&dev->spinlock);
 	devpriv->do_mux_bits &= ~DAS08_DO_MASK;
 	devpriv->do_mux_bits |= DAS08_OP(wbits);
 	outb(devpriv->do_mux_bits, dev->iobase + DAS08_CONTROL);
@@ -860,9 +863,9 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
 
 	/*  allocate ioports for non-pcmcia, non-pci boards */
 	if ((thisboard->bustype != pcmcia) && (thisboard->bustype != pci)) {
-		printk(" iobase 0x%lx\n", iobase);
+		printk(KERN_INFO " iobase 0x%lx\n", iobase);
 		if (!request_region(iobase, thisboard->iosize, DRV_NAME)) {
-			printk(" I/O port conflict\n");
+			printk(KERN_ERR " I/O port conflict\n");
 			return -EIO;
 		}
 	}
@@ -878,8 +881,11 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
 	/* ai */
 	if (thisboard->ai) {
 		s->type = COMEDI_SUBD_AI;
-		/* XXX some boards actually have differential inputs instead of single ended.
-		 *  The driver does nothing with arefs though, so it's no big deal. */
+		/* XXX some boards actually have differential
+		 * inputs instead of single ended.
+		 * The driver does nothing with arefs though,
+		 * so it's no big deal.
+		 */
 		s->subdev_flags = SDF_READABLE | SDF_GROUND;
 		s->n_chan = 8;
 		s->maxdata = (1 << thisboard->ai_nbits) - 1;
@@ -966,6 +972,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(das08_common_attach);
 
 static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
@@ -980,7 +987,7 @@ static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	if (ret < 0)
 		return ret;
 
-	printk("comedi%d: das08: ", dev->minor);
+	printk(KERN_INFO "comedi%d: das08: ", dev->minor);
 	/*  deal with a pci board */
 	if (thisboard->bustype == pci) {
 #ifdef CONFIG_COMEDI_PCI
@@ -1007,20 +1014,21 @@ static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 			}
 		}
 		if (!pdev) {
-			printk("No pci das08 cards found\n");
+			printk(KERN_ERR "No pci das08 cards found\n");
 			return -EIO;
 		}
 		devpriv->pdev = pdev;
 		/*  enable PCI device and reserve I/O spaces */
 		if (comedi_pci_enable(pdev, DRV_NAME)) {
-			printk
-			    (" Error enabling PCI device and requesting regions\n");
+			printk(KERN_ERR " Error enabling PCI device and "
+						"requesting regions\n");
 			return -EIO;
 		}
 		/*  read base addresses */
 		pci_iobase = pci_resource_start(pdev, 1);
 		iobase = pci_resource_start(pdev, 2);
-		printk("pcibase 0x%lx  iobase 0x%lx\n", pci_iobase, iobase);
+		printk(KERN_INFO "pcibase 0x%lx  iobase 0x%lx\n",
+							pci_iobase, iobase);
 		devpriv->pci_iobase = pci_iobase;
 #if 0
 /* We could enable to pci-das08's interrupt here to make it possible
@@ -1034,17 +1042,18 @@ static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		outw(INTR1_ENABLE | PCI_INTR_ENABLE, pci_iobase + INTCSR);
 #endif
 #else /* CONFIG_COMEDI_PCI */
-		printk("this driver has not been built with PCI support.\n");
+		printk(KERN_ERR "this driver has not been built with PCI support.\n");
 		return -EINVAL;
 #endif /* CONFIG_COMEDI_PCI */
 	} else {
 		iobase = it->options[0];
 	}
-	printk("\n");
+	printk(KERN_INFO "\n");
 
 	return das08_common_attach(dev, iobase);
 }
 
+
 int das08_common_detach(struct comedi_device *dev)
 {
 	printk(KERN_INFO "comedi%d: das08: remove\n", dev->minor);
@@ -1060,9 +1069,9 @@ int das08_common_detach(struct comedi_device *dev)
 #ifdef CONFIG_COMEDI_PCI
 	if (devpriv) {
 		if (devpriv->pdev) {
-			if (devpriv->pci_iobase) {
+			if (devpriv->pci_iobase)
 				comedi_pci_disable(devpriv->pdev);
-			}
+
 			pci_dev_put(devpriv->pdev);
 		}
 	}
@@ -1070,6 +1079,7 @@ int das08_common_detach(struct comedi_device *dev)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(das08_common_detach);
 
 #ifdef CONFIG_COMEDI_PCI
 COMEDI_PCI_INITCLEANUP(driver_das08, das08_pci_table);
@@ -1077,8 +1087,6 @@ COMEDI_PCI_INITCLEANUP(driver_das08, das08_pci_table);
 COMEDI_INITCLEANUP(driver_das08);
 #endif
 
-EXPORT_SYMBOL_GPL(das08_common_attach);
-EXPORT_SYMBOL_GPL(das08_common_detach);
 #ifdef CONFIG_COMEDI_PCMCIA
 EXPORT_SYMBOL_GPL(das08_cs_boards);
 #endif

From 06033fced289985294e5a3f694646014d80b48cc Mon Sep 17 00:00:00 2001
From: Darren Armstrong <darren.armstrong85@googlemail.com>
Date: Sun, 25 Apr 2010 02:49:49 +0100
Subject: [PATCH 0894/3638] Staging: comedi: ssc_dnp: Fixed coding style issues

Fixed coding style issues: 80-char width limit, KERN_ facility level

Signed-off-by: Darren Armstrong <darren.armstrong85@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/ssv_dnp.c | 86 +++++++++++++-----------
 1 file changed, 45 insertions(+), 41 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c
index 17c92a57b0d..18b0a83c4bb 100644
--- a/drivers/staging/comedi/drivers/ssv_dnp.c
+++ b/drivers/staging/comedi/drivers/ssv_dnp.c
@@ -41,14 +41,14 @@ Status: unknown
 /* 0..3 remain unchanged! For details about Port C Mode Register see         */
 /* the remarks in dnp_insn_config() below.                                   */
 
-#define CSCIR 0x22		/* Chip Setup and Control Index Register       */
-#define CSCDR 0x23		/* Chip Setup and Control Data Register        */
-#define PAMR  0xa5		/* Port A Mode Register                        */
-#define PADR  0xa9		/* Port A Data Register                        */
-#define PBMR  0xa4		/* Port B Mode Register                        */
-#define PBDR  0xa8		/* Port B Data Register                        */
-#define PCMR  0xa3		/* Port C Mode Register                        */
-#define PCDR  0xa7		/* Port C Data Register                        */
+#define CSCIR 0x22		/* Chip Setup and Control Index Register     */
+#define CSCDR 0x23		/* Chip Setup and Control Data Register      */
+#define PAMR  0xa5		/* Port A Mode Register                      */
+#define PADR  0xa9		/* Port A Data Register                      */
+#define PBMR  0xa4		/* Port B Mode Register                      */
+#define PBDR  0xa8		/* Port B Data Register                      */
+#define PCMR  0xa3		/* Port C Mode Register                      */
+#define PCDR  0xa7		/* Port C Data Register                      */
 
 /* This data structure holds information about the supported boards -------- */
 
@@ -59,8 +59,9 @@ struct dnp_board {
 	int have_dio;
 };
 
-static const struct dnp_board dnp_boards[] = {	/* we only support one DNP 'board'   */
-	{			/* variant at the moment             */
+/* We only support one DNP 'board' variant at the moment */
+static const struct dnp_board dnp_boards[] = {
+{
 	 .name = "dnp-1486",
 	 .ai_chans = 16,
 	 .ai_bits = 12,
@@ -80,9 +81,9 @@ struct dnp_private_data {
 #define devpriv ((dnp_private *)dev->private)
 
 /* ------------------------------------------------------------------------- */
-/* The struct comedi_driver structure tells the Comedi core module which functions  */
-/* to call to configure/deconfigure (attach/detach) the board, and also      */
-/* about the kernel module that contains the device code.                    */
+/* The struct comedi_driver structure tells the Comedi core module which     */
+/* functions to call to configure/deconfigure (attach/detach) the board, and */
+/* also about the kernel module that contains the device code.               */
 /*                                                                           */
 /* In the following section we define the API of this driver.                */
 /* ------------------------------------------------------------------------- */
@@ -97,7 +98,7 @@ static struct comedi_driver driver_dnp = {
 	.detach = dnp_detach,
 	.board_name = &dnp_boards[0].name,
 	/* only necessary for non-PnP devs   */
-	.offset = sizeof(struct dnp_board),	/* like ISA-PnP, PCI or PCMCIA.      */
+	.offset = sizeof(struct dnp_board),   /* like ISA-PnP, PCI or PCMCIA */
 	.num_names = ARRAY_SIZE(dnp_boards),
 };
 
@@ -122,28 +123,30 @@ static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	struct comedi_subdevice *s;
 
-	printk("comedi%d: dnp: ", dev->minor);
+	printk(KERN_INFO "comedi%d: dnp: ", dev->minor);
 
-	/* Autoprobing: this should find out which board we have. Currently only   */
-	/* the 1486 board is supported and autoprobing is not implemented :-)      */
+	/* Autoprobing: this should find out which board we have. Currently  */
+	/* only the 1486 board is supported and autoprobing is not           */
+	/* implemented :-)                                                   */
 	/* dev->board_ptr = dnp_probe(dev); */
 
-	/* Initialize the name of the board. We can use the "thisboard" macro now. */
+	/* Initialize the name of the board.                                 */
+	/* We can use the "thisboard" macro now.                             */
 	dev->board_name = thisboard->name;
 
-	/* Allocate the private structure area. alloc_private() is a convenient    */
-	/* macro defined in comedidev.h.                                           */
+	/* Allocate the private structure area. alloc_private() is a         */
+	/* convenient macro defined in comedidev.h.                          */
 	if (alloc_private(dev, sizeof(struct dnp_private_data)) < 0)
 		return -ENOMEM;
 
-	/* Allocate the subdevice structures. alloc_subdevice() is a convenient    */
-	/* macro defined in comedidev.h.                                           */
+	/* Allocate the subdevice structures. alloc_subdevice() is a         */
+	/* convenient macro defined in comedidev.h.                          */
 
 	if (alloc_subdevices(dev, 1) < 0)
 		return -ENOMEM;
 
 	s = dev->subdevices + 0;
-	/* digital i/o subdevice                                                   */
+	/* digital i/o subdevice                                             */
 	s->type = COMEDI_SUBD_DIO;
 	s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
 	s->n_chan = 20;
@@ -158,7 +161,7 @@ static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	 * allocated for the primary 8259, so we don't need to allocate them
 	 * ourselves. */
 
-	/* configure all ports as input (default)                                  */
+	/* configure all ports as input (default)                            */
 	outb(PAMR, CSCIR);
 	outb(0x00, CSCDR);
 	outb(PBMR, CSCIR);
@@ -181,7 +184,7 @@ static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 static int dnp_detach(struct comedi_device *dev)
 {
 
-	/* configure all ports as input (default)                                  */
+	/* configure all ports as input (default)                            */
 	outb(PAMR, CSCIR);
 	outb(0x00, CSCDR);
 	outb(PBMR, CSCIR);
@@ -189,8 +192,8 @@ static int dnp_detach(struct comedi_device *dev)
 	outb(PCMR, CSCIR);
 	outb((inb(CSCDR) & 0xAA), CSCDR);
 
-	/* announce that we are finished                                           */
-	printk("comedi%d: dnp: remove\n", dev->minor);
+	/* announce that we are finished                                     */
+	printk(KERN_INFO "comedi%d: dnp: remove\n", dev->minor);
 
 	return 0;
 
@@ -210,12 +213,12 @@ static int dnp_dio_insn_bits(struct comedi_device *dev,
 	if (insn->n != 2)
 		return -EINVAL;	/* insn uses data[0] and data[1]     */
 
-	/* The insn data is a mask in data[0] and the new data in data[1], each    */
-	/* channel cooresponding to a bit.                                         */
+	/* The insn data is a mask in data[0] and the new data in data[1],   */
+	/* each channel cooresponding to a bit.                              */
 
-	/* Ports A and B are straight forward: each bit corresponds to an output   */
-	/* pin with the same order. Port C is different: bits 0...3 correspond to  */
-	/* bits 4...7 of the output register (PCDR).                               */
+	/* Ports A and B are straight forward: each bit corresponds to an    */
+	/* output pin with the same order. Port C is different: bits 0...3   */
+	/* correspond to bits 4...7 of the output register (PCDR).           */
 
 	if (data[0]) {
 
@@ -235,7 +238,7 @@ static int dnp_dio_insn_bits(struct comedi_device *dev,
 		     | (u8) ((data[1] & 0x0F0000) >> 12), CSCDR);
 	}
 
-	/* on return, data[1] contains the value of the digital input lines.       */
+	/* on return, data[1] contains the value of the digital input lines. */
 	outb(PADR, CSCIR);
 	data[0] = inb(CSCDR);
 	outb(PBDR, CSCIR);
@@ -260,7 +263,8 @@ static int dnp_dio_insn_config(struct comedi_device *dev,
 
 	u8 register_buffer;
 
-	int chan = CR_CHAN(insn->chanspec);	/* reduces chanspec to lower 16 bits */
+	/* reduces chanspec to lower 16 bits */
+	int chan = CR_CHAN(insn->chanspec);
 
 	switch (data[0]) {
 	case INSN_CONFIG_DIO_OUTPUT:
@@ -275,11 +279,11 @@ static int dnp_dio_insn_config(struct comedi_device *dev,
 		return -EINVAL;
 		break;
 	}
-	/* Test: which port does the channel belong to?                            */
+	/* Test: which port does the channel belong to?                       */
 
-	/* We have to pay attention with port C: this is the meaning of PCMR:      */
-	/* Bit in PCMR:              7 6 5 4 3 2 1 0                               */
-	/* Corresponding port C pin: d 3 d 2 d 1 d 0   d= don't touch              */
+	/* We have to pay attention with port C: this is the meaning of PCMR: */
+	/* Bit in PCMR:              7 6 5 4 3 2 1 0                          */
+	/* Corresponding port C pin: d 3 d 2 d 1 d 0   d= don't touch         */
 
 	if ((chan >= 0) && (chan <= 7)) {
 		/* this is port A */
@@ -289,8 +293,8 @@ static int dnp_dio_insn_config(struct comedi_device *dev,
 		chan -= 8;
 		outb(PBMR, CSCIR);
 	} else if ((chan >= 16) && (chan <= 19)) {
-		/* this is port C; multiplication with 2 brings bits into correct        */
-		/* position for PCMR!                                                    */
+		/* this is port C; multiplication with 2 brings bits into     */
+		/* correct position for PCMR!                                 */
 		chan -= 16;
 		chan *= 2;
 		outb(PCMR, CSCIR);
@@ -298,7 +302,7 @@ static int dnp_dio_insn_config(struct comedi_device *dev,
 		return -EINVAL;
 	}
 
-	/* read 'old' direction of the port and set bits (out=1, in=0)             */
+	/* read 'old' direction of the port and set bits (out=1, in=0)        */
 	register_buffer = inb(CSCDR);
 	if (data[0] == COMEDI_OUTPUT)
 		register_buffer |= (1 << chan);

From a2936e0d243d58bbfb3aa048a00ed0bdd2e24307 Mon Sep 17 00:00:00 2001
From: Stewart Robertson <stewart_r@aliencamel.com>
Date: Thu, 22 Apr 2010 20:33:48 +0100
Subject: [PATCH 0895/3638] Staging: comedi: add missing KERN_INFO in
 ni_at_ao.c

This is a patch to the ni_at_ao.c file that adds the missing
KERN_INFO requested by the checkpatch.pl tool.

Signed-off-by: Stewart Robertson <stewart_r@aliencamel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/ni_at_ao.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_at_ao.c b/drivers/staging/comedi/drivers/ni_at_ao.c
index 3778565c1f6..ce60224bb7b 100644
--- a/drivers/staging/comedi/drivers/ni_at_ao.c
+++ b/drivers/staging/comedi/drivers/ni_at_ao.c
@@ -226,7 +226,7 @@ static int atao_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		iobase = 0x1c0;
 	ao_unipolar = it->options[3];
 
-	printk("comedi%d: ni_at_ao: 0x%04lx", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: ni_at_ao: 0x%04lx", dev->minor, iobase);
 
 	if (!request_region(iobase, ATAO_SIZE, "ni_at_ao")) {
 		printk(" I/O port conflict\n");
@@ -283,14 +283,14 @@ static int atao_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	atao_reset(dev);
 
-	printk("\n");
+	printk(KERN_INFO "\n");
 
 	return 0;
 }
 
 static int atao_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: atao: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: atao: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, ATAO_SIZE);

From ac4898a0f81d3b3c218cb4d17bac1750ef82e456 Mon Sep 17 00:00:00 2001
From: Zachary Richey <zr.public@gmail.com>
Date: Mon, 26 Apr 2010 07:49:37 -0400
Subject: [PATCH 0896/3638] Staging: comedi: fixed coding style issues in
 drivers.c

This patch fixes coding style issues found by checkpatch.pl, and doesnt
line break string literals.

Signed-off-by: Zachary Richey <zr.public@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers.c | 36 ++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 44d6b62c230..4b69d06ca73 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -102,7 +102,7 @@ static void __comedi_device_detach(struct comedi_device *dev)
 	if (dev->driver)
 		dev->driver->detach(dev);
 	else
-		printk("BUG: dev->driver=NULL in comedi_device_detach()\n");
+		printk(KERN_WARNING "BUG: dev->driver=NULL in comedi_device_detach()\n");
 	cleanup_device(dev);
 }
 
@@ -124,7 +124,7 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	for (driv = comedi_drivers; driv; driv = driv->next) {
 		if (!try_module_get(driv->module)) {
 			printk
-			    ("comedi: failed to increment module count, skipping\n");
+			    (KERN_INFO "comedi: failed to increment module count, skipping\n");
 			continue;
 		}
 		if (driv->num_names) {
@@ -139,7 +139,8 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 				continue;
 			}
 		}
-		/* initialize dev->driver here so comedi_error() can be called from attach */
+		/* initialize dev->driver here so
+		 * comedi_error() can be called from attach */
 		dev->driver = driv;
 		ret = driv->attach(dev, it);
 		if (ret < 0) {
@@ -154,7 +155,7 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	/*  report valid board names before returning error */
 	for (driv = comedi_drivers; driv; driv = driv->next) {
 		if (!try_module_get(driv->module)) {
-			printk("comedi: failed to increment module count\n");
+			printk(KERN_INFO "comedi: failed to increment module count\n");
 			continue;
 		}
 		comedi_report_boards(driv);
@@ -172,7 +173,7 @@ attached:
 	}
 
 	if (!dev->board_name) {
-		printk("BUG: dev->board_name=<%p>\n", dev->board_name);
+		printk(KERN_WARNING "BUG: dev->board_name=<%p>\n", dev->board_name);
 		dev->board_name = "BUG";
 	}
 	smp_wmb();
@@ -208,7 +209,7 @@ int comedi_driver_unregister(struct comedi_driver *driver)
 		if (dev->attached && dev->driver == driver) {
 			if (dev->use_count)
 				printk
-				    ("BUG! detaching device with use_count=%d\n",
+				    (KERN_WARNING "BUG! detaching device with use_count=%d\n",
 				     dev->use_count);
 			comedi_device_detach(dev);
 		}
@@ -253,7 +254,7 @@ static int postconfig(struct comedi_device *dev)
 			async =
 			    kzalloc(sizeof(struct comedi_async), GFP_KERNEL);
 			if (async == NULL) {
-				printk("failed to allocate async struct\n");
+				printk(KERN_INFO "failed to allocate async struct\n");
 				return -ENOMEM;
 			}
 			init_waitqueue_head(&async->wait_head);
@@ -268,7 +269,7 @@ static int postconfig(struct comedi_device *dev)
 			async->prealloc_buf = NULL;
 			async->prealloc_bufsz = 0;
 			if (comedi_buf_alloc(dev, s, DEFAULT_BUF_SIZE) < 0) {
-				printk("Buffer allocation failed\n");
+				printk(KERN_INFO "Buffer allocation failed\n");
 				return -ENOMEM;
 			}
 			if (s->buf_change) {
@@ -303,7 +304,8 @@ static int postconfig(struct comedi_device *dev)
 	return 0;
 }
 
-/*  generic recognize function for drivers that register their supported board names */
+/* generic recognize function for drivers
+ * that register their supported board names */
 void *comedi_recognize(struct comedi_driver *driv, const char *name)
 {
 	unsigned i;
@@ -324,17 +326,17 @@ void comedi_report_boards(struct comedi_driver *driv)
 	unsigned int i;
 	const char *const *name_ptr;
 
-	printk("comedi: valid board names for %s driver are:\n",
+	printk(KERN_INFO "comedi: valid board names for %s driver are:\n",
 	       driv->driver_name);
 
 	name_ptr = driv->board_name;
 	for (i = 0; i < driv->num_names; i++) {
-		printk(" %s\n", *name_ptr);
+		printk(KERN_INFO " %s\n", *name_ptr);
 		name_ptr = (const char **)((char *)name_ptr + driv->offset);
 	}
 
 	if (driv->num_names == 0)
-		printk(" %s\n", driv->driver_name);
+		printk(KERN_INFO " %s\n", driv->driver_name);
 }
 
 static int poll_invalid(struct comedi_device *dev, struct comedi_subdevice *s)
@@ -568,7 +570,7 @@ unsigned int comedi_buf_munge(struct comedi_async *async,
 
 		block_size = num_bytes - count;
 		if (block_size < 0) {
-			printk("%s: %s: bug! block_size is negative\n",
+			printk(KERN_WARNING "%s: %s: bug! block_size is negative\n",
 			       __FILE__, __func__);
 			break;
 		}
@@ -579,7 +581,8 @@ unsigned int comedi_buf_munge(struct comedi_async *async,
 		s->munge(s->device, s, async->prealloc_buf + async->munge_ptr,
 			 block_size, async->munge_chan);
 
-		smp_wmb();	/* barrier insures data is munged in buffer before munge_count is incremented */
+		smp_wmb();	/* barrier insures data is munged in buffer
+				 * before munge_count is incremented */
 
 		async->munge_chan += block_size / num_sample_bytes;
 		async->munge_chan %= async->cmd.chanlist_len;
@@ -649,7 +652,7 @@ unsigned comedi_buf_write_free(struct comedi_async *async, unsigned int nbytes)
 	if ((int)(async->buf_write_count + nbytes -
 		  async->buf_write_alloc_count) > 0) {
 		printk
-		    ("comedi: attempted to write-free more bytes than have been write-allocated.\n");
+		    (KERN_INFO "comedi: attempted to write-free more bytes than have been write-allocated.\n");
 		nbytes = async->buf_write_alloc_count - async->buf_write_count;
 	}
 	async->buf_write_count += nbytes;
@@ -678,7 +681,8 @@ unsigned comedi_buf_read_alloc(struct comedi_async *async, unsigned nbytes)
 /* transfers control of a chunk from reader to free buffer space */
 unsigned comedi_buf_read_free(struct comedi_async *async, unsigned int nbytes)
 {
-	/*  barrier insures data has been read out of buffer before read count is incremented */
+	/* barrier insures data has been read out of
+	 * buffer before read count is incremented */
 	smp_mb();
 	if ((int)(async->buf_read_count + nbytes -
 		  async->buf_read_alloc_count) > 0) {

From 04607c9e6573451bd994e21699c82190dd9b4530 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Thu, 8 Apr 2010 19:49:45 +0800
Subject: [PATCH 0897/3638] Staging: rtl8192u: remove unused #include
 <linux/version.h>

Remove unused #include <linux/version.h>('s) in
  drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
index 750e94e1711..4d5348e6c10 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
@@ -30,7 +30,6 @@
 
 ******************************************************************************/
 #include <linux/wireless.h>
-#include <linux/version.h>
 #include <linux/kmod.h>
 #include <linux/slab.h>
 #include <linux/module.h>

From b6595dd110a033f9c8fba0d01fd366d95120b997 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Thu, 8 Apr 2010 19:49:36 +0800
Subject: [PATCH 0898/3638] Staging: crystalhd: remove unused #include
 <linux/version.h>

Remove unused #include <linux/version.h>('s) in
  drivers/staging/crystalhd/crystalhd_lnx.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/crystalhd_lnx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c
index 6090a1d5954..141a3e38a83 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.c
+++ b/drivers/staging/crystalhd/crystalhd_lnx.c
@@ -15,7 +15,6 @@
   along with this driver.  If not, see <http://www.gnu.org/licenses/>.
 ***************************************************************************/
 
-#include <linux/version.h>
 #include <linux/smp_lock.h>
 #include <linux/slab.h>
 

From 484d3be1bded596a404ac99401652c7728be2f24 Mon Sep 17 00:00:00 2001
From: Gorskin Ilya <revent82@gmail.com>
Date: Sun, 14 Mar 2010 00:35:17 +0500
Subject: [PATCH 0899/3638] Staging: dt3155: fix coding style issue in
 dt3155_isr.c

This is a patch to the dt3155_isr.c file that fixes up a coding
style warning and errors found by the checkpatch.pl tool

Signed-off-by: Gorskin Ilya <revent82@gmail.com>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155_isr.c | 289 ++++++++++++++--------------
 1 file changed, 141 insertions(+), 148 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155_isr.c b/drivers/staging/dt3155/dt3155_isr.c
index 09d7d9b8272..1ebcec0c309 100644
--- a/drivers/staging/dt3155/dt3155_isr.c
+++ b/drivers/staging/dt3155/dt3155_isr.c
@@ -1,7 +1,7 @@
 /*
 
 Copyright 1996,2002,2005 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
-                         Jason Lapenta, Scott Smedley, Greg Sharp
+				Jason Lapenta, Scott Smedley, Greg Sharp
 
 This file is part of the DT3155 Device Driver.
 
@@ -22,7 +22,7 @@ MA 02111-1307 USA
 
    File: dt3155_isr.c
 Purpose: Buffer management routines, and other routines for the ISR
-         (the actual isr is in dt3155_drv.c)
+		(the actual isr is in dt3155_drv.c)
 
 -- Changes --
 
@@ -30,16 +30,16 @@ Purpose: Buffer management routines, and other routines for the ISR
   -------------------------------------------------------------------
   03-Jul-2000 JML       n/a
   02-Apr-2002 SS        Mods to make work with separate allocator
-                        module; Merged John Roll's mods to make work with
-                        multiple boards.
+			module; Merged John Roll's mods to make work with
+			multiple boards.
   10-Jul-2002 GCS       Complete rewrite of setup_buffers to disallow
-                        buffers which span a 4MB boundary.
+			buffers which span a 4MB boundary.
   24-Jul-2002 SS        GPL licence.
   30-Jul-2002 NJC       Added support for buffer loop.
   31-Jul-2002 NJC       Complete rewrite of buffer management
   02-Aug-2002 NJC       Including slab.h instead of malloc.h (no warning).
-                        Also, allocator_init() now returns allocator_max
-                        so cleaned up allocate_buffers() accordingly.
+			Also, allocator_init() now returns allocator_max
+			so cleaned up allocate_buffers() accordingly.
   08-Aug-2005 SS        port to 2.6 kernel.
 
 */
@@ -77,9 +77,9 @@ struct dt3155_fbuffer_s *dt3155_fbuffer[MAXBOARDS] = {NULL
  * are_empty_buffers
  * m is minor # of device
  ***************************/
-inline bool are_empty_buffers( int m )
+inline bool are_empty_buffers(int m)
 {
-  return ( dt3155_fbuffer[ m ]->empty_len );
+  return dt3155_fbuffer[m]->empty_len;
 }
 
 /**************************
@@ -92,56 +92,56 @@ inline bool are_empty_buffers( int m )
  * given by dt3155_fbuffer[m]->empty_buffers[0].
  * empty_buffers should never fill up, though this is not checked.
  **************************/
-inline void push_empty( int index, int m )
+inline void push_empty(int index, int m)
 {
-  dt3155_fbuffer[m]->empty_buffers[ dt3155_fbuffer[m]->empty_len ] = index;
+  dt3155_fbuffer[m]->empty_buffers[dt3155_fbuffer[m]->empty_len] = index;
   dt3155_fbuffer[m]->empty_len++;
 }
 
 /**************************
- * pop_empty( m )
+ * pop_empty(m)
  * m is minor # of device
  **************************/
-inline int pop_empty( int m )
+inline int pop_empty(int m)
 {
   dt3155_fbuffer[m]->empty_len--;
-  return dt3155_fbuffer[m]->empty_buffers[ dt3155_fbuffer[m]->empty_len ];
+  return dt3155_fbuffer[m]->empty_buffers[dt3155_fbuffer[m]->empty_len];
 }
 
 /*************************
- * is_ready_buf_empty( m )
+ * is_ready_buf_empty(m)
  * m is minor # of device
  *************************/
-inline bool is_ready_buf_empty( int m )
+inline bool is_ready_buf_empty(int m)
 {
-  return ((dt3155_fbuffer[ m ]->ready_len) == 0);
+  return ((dt3155_fbuffer[m]->ready_len) == 0);
 }
 
 /*************************
- * is_ready_buf_full( m )
+ * is_ready_buf_full(m)
  * m is minor # of device
  * this should *never* be true if there are any active, locked or empty
  * buffers, since it corresponds to nbuffers ready buffers!!
  * 7/31/02: total rewrite. --NJC
  *************************/
-inline bool is_ready_buf_full( int m )
+inline bool is_ready_buf_full(int m)
 {
-  return ( dt3155_fbuffer[ m ]->ready_len == dt3155_fbuffer[ m ]->nbuffers );
+  return dt3155_fbuffer[m]->ready_len == dt3155_fbuffer[m]->nbuffers;
 }
 
 /*****************************************************
- * push_ready( m, buffer )
+ * push_ready(m, buffer)
  * m is minor # of device
  *
  *****************************************************/
-inline void push_ready( int m, int index )
+inline void push_ready(int m, int index)
 {
   int head = dt3155_fbuffer[m]->ready_head;
 
-  dt3155_fbuffer[ m ]->ready_que[ head ] = index;
-  dt3155_fbuffer[ m ]->ready_head = ( (head + 1) %
-				      (dt3155_fbuffer[ m ]->nbuffers) );
-  dt3155_fbuffer[ m ]->ready_len++;
+  dt3155_fbuffer[m]->ready_que[head] = index;
+  dt3155_fbuffer[m]->ready_head = ((head + 1) %
+				      (dt3155_fbuffer[m]->nbuffers));
+  dt3155_fbuffer[m]->ready_len++;
 
 }
 
@@ -151,12 +151,12 @@ inline void push_ready( int m, int index )
  *
  * Simply comptutes the tail given the head and the length.
  *****************************************************/
-static inline int get_tail( int m )
+static inline int get_tail(int m)
 {
-  return ((dt3155_fbuffer[ m ]->ready_head -
-	   dt3155_fbuffer[ m ]->ready_len +
-	   dt3155_fbuffer[ m ]->nbuffers)%
-	  (dt3155_fbuffer[ m ]->nbuffers));
+  return (dt3155_fbuffer[m]->ready_head -
+	   dt3155_fbuffer[m]->ready_len +
+	   dt3155_fbuffer[m]->nbuffers)%
+	  (dt3155_fbuffer[m]->nbuffers);
 }
 
 
@@ -168,12 +168,12 @@ static inline int get_tail( int m )
  * This assumes that there is a ready buffer ready... should
  * be checked (e.g. with is_ready_buf_empty()  prior to call.
  *****************************************************/
-inline int pop_ready( int m )
+inline int pop_ready(int m)
 {
   int tail;
   tail = get_tail(m);
-  dt3155_fbuffer[ m ]->ready_len--;
-  return dt3155_fbuffer[ m ]->ready_que[ tail ];
+  dt3155_fbuffer[m]->ready_len--;
+  return dt3155_fbuffer[m]->ready_que[tail];
 }
 
 
@@ -181,35 +181,33 @@ inline int pop_ready( int m )
  * printques
  * m is minor # of device
  *****************************************************/
-inline void printques( int m )
+inline void printques(int m)
 {
-  int head = dt3155_fbuffer[ m ]->ready_head;
+  int head = dt3155_fbuffer[m]->ready_head;
   int tail;
-  int num = dt3155_fbuffer[ m ]->nbuffers;
+  int num = dt3155_fbuffer[m]->nbuffers;
   int frame_index;
   int index;
 
   tail = get_tail(m);
 
   printk("\n R:");
-  for ( index = tail; index != head; index++, index = index % (num) )
-    {
-      frame_index = dt3155_fbuffer[ m ]->ready_que[ index ];
-      printk(" %d ", frame_index );
+    for (index = tail; index != head; index++, index = index % (num)) {
+	frame_index = dt3155_fbuffer[m]->ready_que[index];
+	printk(" %d ", frame_index);
     }
 
   printk("\n E:");
-  for ( index = 0; index < dt3155_fbuffer[ m ]->empty_len; index++ )
-    {
-      frame_index = dt3155_fbuffer[ m ]->empty_buffers[ index ];
-      printk(" %d ", frame_index );
+    for (index = 0; index < dt3155_fbuffer[m]->empty_len; index++) {
+	frame_index = dt3155_fbuffer[m]->empty_buffers[index];
+	printk(" %d ", frame_index);
     }
 
-  frame_index = dt3155_fbuffer[ m ]->active_buf;
+  frame_index = dt3155_fbuffer[m]->active_buf;
   printk("\n A: %d", frame_index);
 
-  frame_index = dt3155_fbuffer[ m ]->locked_buf;
-  printk("\n L: %d \n", frame_index );
+  frame_index = dt3155_fbuffer[m]->locked_buf;
+  printk("\n L: %d\n", frame_index);
 
 }
 
@@ -220,11 +218,12 @@ inline void printques( int m )
  *  the start address up to the beginning of the
  *  next 4MB chunk (assuming bufsize < 4MB).
  *****************************************************/
-u32 adjust_4MB (u32 buf_addr, u32 bufsize) {
-  if (((buf_addr+bufsize) & UPPER_10_BITS) != (buf_addr & UPPER_10_BITS))
-    return (buf_addr+bufsize) & UPPER_10_BITS;
-  else
-    return buf_addr;
+u32 adjust_4MB(u32 buf_addr, u32 bufsize)
+{
+    if (((buf_addr+bufsize) & UPPER_10_BITS) != (buf_addr & UPPER_10_BITS))
+	return (buf_addr+bufsize) & UPPER_10_BITS;
+    else
+	return buf_addr;
 }
 
 
@@ -235,7 +234,7 @@ u32 adjust_4MB (u32 buf_addr, u32 bufsize) {
  *  buffers.  If there is not enough free space
  *  try for less memory.
  *****************************************************/
-void allocate_buffers (u32 *buf_addr, u32* total_size_kbs,
+void allocate_buffers(u32 *buf_addr, u32* total_size_kbs,
 		       u32 bufsize)
 {
   /* Compute the minimum amount of memory guaranteed to hold all
@@ -268,15 +267,15 @@ void allocate_buffers (u32 *buf_addr, u32* total_size_kbs,
   printk("DT3155: ...but need at least: %d KB\n", min_size_kbs);
   printk("DT3155: ...the allocator has: %d KB\n", allocator_max);
   size_kbs = (full_size_kbs <= allocator_max ? full_size_kbs : allocator_max);
-  if (size_kbs > min_size_kbs) {
-    if ((*buf_addr = allocator_allocate_dma (size_kbs, GFP_KERNEL)) != 0) {
-      printk("DT3155:  Managed to allocate: %d KB\n", size_kbs);
-      *total_size_kbs = size_kbs;
-      return;
+    if (size_kbs > min_size_kbs) {
+	if ((*buf_addr = allocator_allocate_dma(size_kbs, GFP_KERNEL)) != 0) {
+		printk("DT3155:  Managed to allocate: %d KB\n", size_kbs);
+		*total_size_kbs = size_kbs;
+		return;
+	}
     }
-  }
   /* If we got here, the allocation failed */
-  printk ("DT3155: Allocator failed!\n");
+  printk("DT3155: Allocator failed!\n");
   *buf_addr = 0;
   *total_size_kbs = 0;
   return;
@@ -312,28 +311,26 @@ u32 dt3155_setup_buffers(u32 *allocatorAddr)
   int m;               /* minor # of device, looped for all devs */
 
   /* zero the fbuffer status and address structure */
-  for ( m = 0; m < ndevices; m++)
-    {
-      dt3155_fbuffer[ m ] = &(dt3155_status[ m ].fbuffer);
+    for (m = 0; m < ndevices; m++) {
+	dt3155_fbuffer[m] = &(dt3155_status[m].fbuffer);
 
       /* Make sure the buffering variables are consistent */
       {
-	u8 *ptr = (u8 *) dt3155_fbuffer[ m ];
-	for( index = 0; index < sizeof(struct dt3155_fbuffer_s); index++)
-	  *(ptr++)=0;
+	u8 *ptr = (u8 *) dt3155_fbuffer[m];
+		for (index = 0; index < sizeof(struct dt3155_fbuffer_s); index++)
+			*(ptr++) = 0;
       }
     }
 
   /* allocate a large contiguous chunk of RAM */
-  allocate_buffers (&rambuff_addr, &rambuff_size, bufsize);
+  allocate_buffers(&rambuff_addr, &rambuff_size, bufsize);
   printk("DT3155: mem info\n");
-  printk("  - rambuf_addr = 0x%x \n", rambuff_addr);
-  printk("  - length (kb) = %u \n", rambuff_size);
-  if( rambuff_addr == 0 )
-    {
-      printk( KERN_INFO
-	      "DT3155: Error setup_buffers() allocator dma failed \n" );
-      return -ENOMEM;
+  printk("  - rambuf_addr = 0x%x\n", rambuff_addr);
+  printk("  - length (kb) = %u\n", rambuff_size);
+    if (rambuff_addr == 0) {
+	printk(KERN_INFO
+	    "DT3155: Error setup_buffers() allocator dma failed\n");
+	return -ENOMEM;
     }
   *allocatorAddr = rambuff_addr;
   rambuff_end = rambuff_addr + 1024 * rambuff_size;
@@ -341,70 +338,68 @@ u32 dt3155_setup_buffers(u32 *allocatorAddr)
   /* after allocation, we need to count how many useful buffers there
      are so we can give an equal number to each device */
   rambuff_acm = rambuff_addr;
-  for ( index = 0; index < MAXBUFFERS; index++) {
-    rambuff_acm = adjust_4MB (rambuff_acm, bufsize);/*avoid spanning 4MB bdry*/
-    if (rambuff_acm + bufsize > rambuff_end)
-      break;
-    rambuff_acm += bufsize;
-  }
+    for (index = 0; index < MAXBUFFERS; index++) {
+	rambuff_acm = adjust_4MB(rambuff_acm, bufsize);/*avoid spanning 4MB bdry*/
+	if (rambuff_acm + bufsize > rambuff_end)
+		break;
+	rambuff_acm += bufsize;
+    }
   /* Following line is OK, will waste buffers if index
    * not evenly divisible by ndevices -NJC*/
   numbufs = index / ndevices;
   printk("  - numbufs = %u\n", numbufs);
-  if (numbufs < 2) {
-    printk( KERN_INFO
-	    "DT3155: Error setup_buffers() couldn't allocate 2 bufs/board\n" );
-    return -ENOMEM;
-  }
+    if (numbufs < 2) {
+	printk(KERN_INFO
+	"DT3155: Error setup_buffers() couldn't allocate 2 bufs/board\n");
+	return -ENOMEM;
+    }
 
   /* now that we have board memory we spit it up */
   /* between the boards and the buffers          */
-  rambuff_acm = rambuff_addr;
-  for ( m = 0; m < ndevices; m ++)
-    {
-      rambuff_acm = adjust_4MB (rambuff_acm, bufsize);
+    rambuff_acm = rambuff_addr;
+    for (m = 0; m < ndevices; m++) {
+	rambuff_acm = adjust_4MB(rambuff_acm, bufsize);
 
-      /* Save the start of this boards buffer space (for mmap).  */
-      dt3155_status[ m ].mem_addr = rambuff_acm;
+	/* Save the start of this boards buffer space (for mmap).  */
+	dt3155_status[m].mem_addr = rambuff_acm;
 
-      for (index = 0; index < numbufs; index++)
-	{
-	  rambuff_acm = adjust_4MB (rambuff_acm, bufsize);
-	  if (rambuff_acm + bufsize > rambuff_end) {
-	    /* Should never happen */
-	    printk ("DT3155 PROGRAM ERROR (GCS)\n"
-		    "Error distributing allocated buffers\n");
-	    return -ENOMEM;
-	  }
+	for (index = 0; index < numbufs; index++) {
+		rambuff_acm = adjust_4MB(rambuff_acm, bufsize);
+		if (rambuff_acm + bufsize > rambuff_end) {
+			/* Should never happen */
+			printk("DT3155 PROGRAM ERROR (GCS)\n"
+			"Error distributing allocated buffers\n");
+			return -ENOMEM;
+		}
 
-	  dt3155_fbuffer[ m ]->frame_info[ index ].addr = rambuff_acm;
-	  push_empty( index, m );
-	  /* printk("  - Buffer : %lx\n",
-	   * dt3155_fbuffer[ m ]->frame_info[ index ].addr );
-	   */
-	  dt3155_fbuffer[ m ]->nbuffers += 1;
-	  rambuff_acm += bufsize;
+		dt3155_fbuffer[m]->frame_info[index].addr = rambuff_acm;
+		push_empty(index, m);
+		/* printk("  - Buffer : %lx\n",
+		* dt3155_fbuffer[m]->frame_info[index].addr);
+		*/
+		dt3155_fbuffer[m]->nbuffers += 1;
+		rambuff_acm += bufsize;
 	}
 
-      /* Make sure there is an active buffer there. */
-      dt3155_fbuffer[ m ]->active_buf    = pop_empty( m );
-      dt3155_fbuffer[ m ]->even_happened = 0;
-      dt3155_fbuffer[ m ]->even_stopped  = 0;
+	/* Make sure there is an active buffer there. */
+	dt3155_fbuffer[m]->active_buf    = pop_empty(m);
+	dt3155_fbuffer[m]->even_happened = 0;
+	dt3155_fbuffer[m]->even_stopped  = 0;
 
-      /* make sure there is no locked_buf JML 2/28/00 */
-      dt3155_fbuffer[ m ]->locked_buf = -1;
+	/* make sure there is no locked_buf JML 2/28/00 */
+	dt3155_fbuffer[m]->locked_buf = -1;
 
-      dt3155_status[ m ].mem_size =
-	rambuff_acm - dt3155_status[ m ].mem_addr;
+	dt3155_status[m].mem_size =
+	rambuff_acm - dt3155_status[m].mem_addr;
 
-      /* setup the ready queue */
-      dt3155_fbuffer[ m ]->ready_head = 0;
-      dt3155_fbuffer[ m ]->ready_len = 0;
-      printk("Available buffers for device %d: %d\n",
-	     m, dt3155_fbuffer[ m ]->nbuffers);
+	/* setup the ready queue */
+	dt3155_fbuffer[m]->ready_head = 0;
+	dt3155_fbuffer[m]->ready_len = 0;
+	printk("Available buffers for device %d: %d\n",
+	    m, dt3155_fbuffer[m]->nbuffers);
     }
 
-  return 1;
+    return 1;
 }
 
 /*****************************************************
@@ -415,13 +410,12 @@ u32 dt3155_setup_buffers(u32 *allocatorAddr)
  *
  * m is minor number of device
  *****************************************************/
-static inline void internal_release_locked_buffer( int m )
+static inline void internal_release_locked_buffer(int m)
 {
   /* Pointer into global structure for handling buffers */
-  if ( dt3155_fbuffer[ m ]->locked_buf >= 0 )
-    {
-      push_empty( dt3155_fbuffer[ m ]->locked_buf, m );
-      dt3155_fbuffer[ m ]->locked_buf = -1;
+    if (dt3155_fbuffer[m]->locked_buf >= 0) {
+	push_empty(dt3155_fbuffer[m]->locked_buf, m);
+	dt3155_fbuffer[m]->locked_buf = -1;
     }
 }
 
@@ -433,7 +427,7 @@ static inline void internal_release_locked_buffer( int m )
  * The user function of the above.
  *
  *****************************************************/
-inline void dt3155_release_locked_buffer( int m )
+inline void dt3155_release_locked_buffer(int m)
 {
 	unsigned long int flags;
 	local_save_flags(flags);
@@ -448,28 +442,28 @@ inline void dt3155_release_locked_buffer( int m )
  * m is minor # of device
  *
  *****************************************************/
-inline int dt3155_flush( int m )
+inline int dt3155_flush(int m)
 {
   int index;
   unsigned long int flags;
   local_save_flags(flags);
   local_irq_disable();
 
-  internal_release_locked_buffer( m );
-  dt3155_fbuffer[ m ]->empty_len = 0;
+  internal_release_locked_buffer(m);
+  dt3155_fbuffer[m]->empty_len = 0;
 
-  for ( index = 0; index < dt3155_fbuffer[ m ]->nbuffers; index++ )
-    push_empty( index,  m );
+    for (index = 0; index < dt3155_fbuffer[m]->nbuffers; index++)
+	push_empty(index,  m);
 
   /* Make sure there is an active buffer there. */
-  dt3155_fbuffer[ m ]->active_buf = pop_empty( m );
+  dt3155_fbuffer[m]->active_buf = pop_empty(m);
 
-  dt3155_fbuffer[ m ]->even_happened = 0;
-  dt3155_fbuffer[ m ]->even_stopped  = 0;
+  dt3155_fbuffer[m]->even_happened = 0;
+  dt3155_fbuffer[m]->even_stopped  = 0;
 
   /* setup the ready queue  */
-  dt3155_fbuffer[ m ]->ready_head = 0;
-  dt3155_fbuffer[ m ]->ready_len = 0;
+  dt3155_fbuffer[m]->ready_head = 0;
+  dt3155_fbuffer[m]->ready_len = 0;
 
   local_irq_restore(flags);
 
@@ -485,7 +479,7 @@ inline int dt3155_flush( int m )
  * If the user has a buffer locked it will unlock
  * that buffer before returning the new one.
  *****************************************************/
-inline int dt3155_get_ready_buffer( int m )
+inline int dt3155_get_ready_buffer(int m)
 {
   int frame_index;
   unsigned long int flags;
@@ -493,21 +487,20 @@ inline int dt3155_get_ready_buffer( int m )
   local_irq_disable();
 
 #ifdef DEBUG_QUES_A
-  printques( m );
+  printques(m);
 #endif
 
-  internal_release_locked_buffer( m );
+  internal_release_locked_buffer(m);
 
-  if (is_ready_buf_empty( m ))
-    frame_index = -1;
-  else
-    {
-      frame_index = pop_ready( m );
-      dt3155_fbuffer[ m ]->locked_buf = frame_index;
+    if (is_ready_buf_empty(m))
+	frame_index = -1;
+    else {
+	frame_index = pop_ready(m);
+	dt3155_fbuffer[m]->locked_buf = frame_index;
     }
 
 #ifdef DEBUG_QUES_B
-  printques( m );
+  printques(m);
 #endif
 
   local_irq_restore(flags);

From d241fd58e407cd3943cabd61217a0ae32c795c1d Mon Sep 17 00:00:00 2001
From: Jason Baldus <jason.baldus@gmail.com>
Date: Sun, 28 Mar 2010 09:59:37 -0400
Subject: [PATCH 0900/3638] Staging: dt3155: fix parentheses and bracket
 spacing style issues

This is a patch to the dt3155_drv.c file that removes spaces after open
parentheses and brackets and before close parentheses and brackets.

Signed-off-by: Jason Baldus <jason.baldus@gmail.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155_drv.c | 338 ++++++++++++++--------------
 1 file changed, 169 insertions(+), 169 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155_drv.c b/drivers/staging/dt3155/dt3155_drv.c
index 7e6095f43f1..91ebfadba9a 100644
--- a/drivers/staging/dt3155/dt3155_drv.c
+++ b/drivers/staging/dt3155/dt3155_drv.c
@@ -95,7 +95,7 @@ int dt3155_errno = 0;
 #endif
 
 /* wait queue for interrupts */
-wait_queue_head_t dt3155_read_wait_queue[ MAXBOARDS ];
+wait_queue_head_t dt3155_read_wait_queue[MAXBOARDS];
 
 #define DT_3155_SUCCESS 0
 #define DT_3155_FAILURE -EIO
@@ -112,10 +112,10 @@ int dt3155_major = 0;
 /* Global structures and variables */
 
 /* Status of each device */
-struct dt3155_status_s dt3155_status[ MAXBOARDS ];
+struct dt3155_status_s dt3155_status[MAXBOARDS];
 
 /* kernel logical address of the board */
-u8 *dt3155_lbase[ MAXBOARDS ] = { NULL
+u8 *dt3155_lbase[MAXBOARDS] = { NULL
 #if MAXBOARDS == 2
 				      , NULL
 #endif
@@ -123,7 +123,7 @@ u8 *dt3155_lbase[ MAXBOARDS ] = { NULL
 /* DT3155 registers              */
 u8 *dt3155_bbase = NULL;		  /* kernel logical address of the *
 					   * buffer region                 */
-u32  dt3155_dev_open[ MAXBOARDS ] = {0
+u32  dt3155_dev_open[MAXBOARDS] = {0
 #if MAXBOARDS == 2
 				       , 0
 #endif
@@ -142,17 +142,17 @@ static void quick_stop (int minor)
 {
   // TODO: scott was here
 #if 1
-  ReadMReg((dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg);
+  ReadMReg((dt3155_lbase[minor] + INT_CSR), int_csr_r.reg);
   /* disable interrupts */
   int_csr_r.fld.FLD_END_EVE_EN = 0;
   int_csr_r.fld.FLD_END_ODD_EN = 0;
-  WriteMReg((dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg );
+  WriteMReg((dt3155_lbase[minor] + INT_CSR), int_csr_r.reg);
 
-  dt3155_status[ minor ].state &= ~(DT3155_STATE_STOP|0xff);
+  dt3155_status[minor].state &= ~(DT3155_STATE_STOP|0xff);
   /* mark the system stopped: */
-  dt3155_status[ minor ].state |= DT3155_STATE_IDLE;
-  dt3155_fbuffer[ minor ]->stop_acquire = 0;
-  dt3155_fbuffer[ minor ]->even_stopped = 0;
+  dt3155_status[minor].state |= DT3155_STATE_IDLE;
+  dt3155_fbuffer[minor]->stop_acquire = 0;
+  dt3155_fbuffer[minor]->even_stopped = 0;
 #else
   dt3155_status[minor].state |= DT3155_STATE_STOP;
   dt3155_status[minor].fbuffer.stop_acquire = 1;
@@ -168,7 +168,7 @@ static void quick_stop (int minor)
  * - Assumes irq's are disabled, via SA_INTERRUPT flag
  * being set in request_irq() call from init_module()
  *****************************************************/
-static inline void dt3155_isr( int irq, void *dev_id, struct pt_regs *regs )
+static inline void dt3155_isr(int irq, void *dev_id, struct pt_regs *regs)
 {
   int    minor = -1;
   int    index;
@@ -176,8 +176,8 @@ static inline void dt3155_isr( int irq, void *dev_id, struct pt_regs *regs )
   u32 buffer_addr;
 
   /* find out who issued the interrupt */
-  for ( index = 0; index < ndevices; index++ ) {
-    if( dev_id == (void*) &dt3155_status[ index ])
+  for (index = 0; index < ndevices; index++) {
+    if(dev_id == (void*) &dt3155_status[index])
       {
 	minor = index;
 	break;
@@ -185,15 +185,15 @@ static inline void dt3155_isr( int irq, void *dev_id, struct pt_regs *regs )
   }
 
   /* hopefully we should not get here */
-  if ( minor < 0 || minor >= MAXBOARDS ) {
+  if (minor < 0 || minor >= MAXBOARDS) {
     printk(KERN_ERR "dt3155_isr called with invalid dev_id\n");
     return;
   }
 
   /* Check for corruption and set a flag if so */
-  ReadMReg( (dt3155_lbase[ minor ] + CSR1), csr1_r.reg );
+  ReadMReg((dt3155_lbase[minor] + CSR1), csr1_r.reg);
 
-  if ( (csr1_r.fld.FLD_CRPT_EVE) || (csr1_r.fld.FLD_CRPT_ODD) )
+  if ((csr1_r.fld.FLD_CRPT_EVE) || (csr1_r.fld.FLD_CRPT_ODD))
     {
       /* TODO: this should probably stop acquisition */
       /* and set some flags so that dt3155_read      */
@@ -203,27 +203,27 @@ static inline void dt3155_isr( int irq, void *dev_id, struct pt_regs *regs )
       return;
     }
 
-  ReadMReg((dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg);
+  ReadMReg((dt3155_lbase[minor] + INT_CSR), int_csr_r.reg);
 
   /* Handle the even field ... */
   if (int_csr_r.fld.FLD_END_EVE)
     {
-      if ( (dt3155_status[ minor ].state & DT3155_STATE_MODE) ==
-	   DT3155_STATE_FLD )
+      if ((dt3155_status[minor].state & DT3155_STATE_MODE) ==
+	   DT3155_STATE_FLD)
 	{
-	  dt3155_fbuffer[ minor ]->frame_count++;
+	  dt3155_fbuffer[minor]->frame_count++;
 	}
 
-      ReadI2C(dt3155_lbase[ minor ], EVEN_CSR, &i2c_even_csr.reg);
+      ReadI2C(dt3155_lbase[minor], EVEN_CSR, &i2c_even_csr.reg);
 
       /* Clear the interrupt? */
       int_csr_r.fld.FLD_END_EVE = 1;
 
       /* disable the interrupt if last field */
-      if (dt3155_fbuffer[ minor ]->stop_acquire)
+      if (dt3155_fbuffer[minor]->stop_acquire)
 	{
 	  printk("dt3155:  even stopped.\n");
-	  dt3155_fbuffer[ minor ]->even_stopped = 1;
+	  dt3155_fbuffer[minor]->even_stopped = 1;
 	  if (i2c_even_csr.fld.SNGL_EVE)
 	    {
 	      int_csr_r.fld.FLD_END_EVE_EN = 0;
@@ -234,75 +234,75 @@ static inline void dt3155_isr( int irq, void *dev_id, struct pt_regs *regs )
 	    }
 	}
 
-      WriteMReg( (dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg );
+      WriteMReg((dt3155_lbase[minor] + INT_CSR), int_csr_r.reg);
 
       /* Set up next DMA if we are doing FIELDS */
-      if ( (dt3155_status[ minor ].state & DT3155_STATE_MODE ) ==
+      if ((dt3155_status[minor].state & DT3155_STATE_MODE) ==
 	   DT3155_STATE_FLD)
 	{
 	  /* GCS (Aug 2, 2002) -- In field mode, dma the odd field
 	     into the lower half of the buffer */
-	  const u32 stride =  dt3155_status[ minor ].config.cols;
-	  buffer_addr = dt3155_fbuffer[ minor ]->
-	    frame_info[ dt3155_fbuffer[ minor ]->active_buf ].addr
+	  const u32 stride =  dt3155_status[minor].config.cols;
+	  buffer_addr = dt3155_fbuffer[minor]->
+	    frame_info[dt3155_fbuffer[minor]->active_buf].addr
 	    + (DT3155_MAX_ROWS / 2) * stride;
 	  local_save_flags(flags);
 	  local_irq_disable();
-	  wake_up_interruptible( &dt3155_read_wait_queue[ minor ] );
+	  wake_up_interruptible(&dt3155_read_wait_queue[minor]);
 
 	  /* Set up the DMA address for the next field */
 	  local_irq_restore(flags);
-	  WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_START), buffer_addr);
+	  WriteMReg((dt3155_lbase[minor] + ODD_DMA_START), buffer_addr);
 	}
 
       /* Check for errors. */
       i2c_even_csr.fld.DONE_EVE = 1;
-      if ( i2c_even_csr.fld.ERROR_EVE )
+      if (i2c_even_csr.fld.ERROR_EVE)
 	dt3155_errno = DT_ERR_OVERRUN;
 
-      WriteI2C( dt3155_lbase[ minor ], EVEN_CSR, i2c_even_csr.reg );
+      WriteI2C(dt3155_lbase[minor], EVEN_CSR, i2c_even_csr.reg);
 
       /* Note that we actually saw an even field meaning  */
       /* that subsequent odd field complete the frame     */
-      dt3155_fbuffer[ minor ]->even_happened = 1;
+      dt3155_fbuffer[minor]->even_happened = 1;
 
       /* recording the time that the even field finished, this should be */
       /* about time in the middle of the frame */
-      do_gettimeofday( &(dt3155_fbuffer[ minor ]->
-			 frame_info[ dt3155_fbuffer[ minor ]->
-				     active_buf ].time) );
+      do_gettimeofday(&(dt3155_fbuffer[minor]->
+			 frame_info[dt3155_fbuffer[minor]->
+				     active_buf].time));
       return;
     }
 
   /* ... now handle the odd field */
-  if ( int_csr_r.fld.FLD_END_ODD )
+  if (int_csr_r.fld.FLD_END_ODD)
     {
-      ReadI2C( dt3155_lbase[ minor ], ODD_CSR, &i2c_odd_csr.reg );
+      ReadI2C(dt3155_lbase[minor], ODD_CSR, &i2c_odd_csr.reg);
 
       /* Clear the interrupt? */
       int_csr_r.fld.FLD_END_ODD = 1;
 
-      if (dt3155_fbuffer[ minor ]->even_happened ||
-	  (dt3155_status[ minor ].state & DT3155_STATE_MODE) ==
+      if (dt3155_fbuffer[minor]->even_happened ||
+	  (dt3155_status[minor].state & DT3155_STATE_MODE) ==
 	  DT3155_STATE_FLD)
 	{
-	  dt3155_fbuffer[ minor ]->frame_count++;
+	  dt3155_fbuffer[minor]->frame_count++;
 	}
 
-      if ( dt3155_fbuffer[ minor ]->stop_acquire &&
-	   dt3155_fbuffer[ minor ]->even_stopped )
+      if (dt3155_fbuffer[minor]->stop_acquire &&
+	   dt3155_fbuffer[minor]->even_stopped)
 	{
 	  printk(KERN_DEBUG "dt3155:  stopping odd..\n");
-	  if ( i2c_odd_csr.fld.SNGL_ODD )
+	  if (i2c_odd_csr.fld.SNGL_ODD)
 	    {
 	      /* disable interrupts */
 	      int_csr_r.fld.FLD_END_ODD_EN = 0;
-	      dt3155_status[ minor ].state &= ~(DT3155_STATE_STOP|0xff);
+	      dt3155_status[minor].state &= ~(DT3155_STATE_STOP|0xff);
 
 	      /* mark the system stopped: */
-	      dt3155_status[ minor ].state |= DT3155_STATE_IDLE;
-	      dt3155_fbuffer[ minor ]->stop_acquire = 0;
-	      dt3155_fbuffer[ minor ]->even_stopped = 0;
+	      dt3155_status[minor].state |= DT3155_STATE_IDLE;
+	      dt3155_fbuffer[minor]->stop_acquire = 0;
+	      dt3155_fbuffer[minor]->even_stopped = 0;
 
 	      printk(KERN_DEBUG "dt3155:  state is now %x\n",
 		     dt3155_status[minor].state);
@@ -313,104 +313,104 @@ static inline void dt3155_isr( int irq, void *dev_id, struct pt_regs *regs )
 	    }
 	}
 
-      WriteMReg( (dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg );
+      WriteMReg((dt3155_lbase[minor] + INT_CSR), int_csr_r.reg);
 
       /* if the odd field has been acquired, then     */
       /* change the next dma location for both fields */
       /* and wake up the process if sleeping          */
-      if ( dt3155_fbuffer[ minor ]->even_happened ||
-	   (dt3155_status[ minor ].state & DT3155_STATE_MODE) ==
-	   DT3155_STATE_FLD )
+      if (dt3155_fbuffer[minor]->even_happened ||
+	   (dt3155_status[minor].state & DT3155_STATE_MODE) ==
+	   DT3155_STATE_FLD)
 	{
 
 	  local_save_flags(flags);
 	  local_irq_disable();
 
 #ifdef DEBUG_QUES_B
-	  printques( minor );
+	  printques(minor);
 #endif
-	  if ( dt3155_fbuffer[ minor ]->nbuffers > 2 )
+	  if (dt3155_fbuffer[minor]->nbuffers > 2)
 	    {
-	      if ( !are_empty_buffers( minor ) )
+	      if (!are_empty_buffers(minor))
 		{
 		  /* The number of active + locked buffers is
 		   * at most 2, and since there are none empty, there
 		   * must be at least nbuffers-2 ready buffers.
 		   * This is where we 'drop frames', oldest first. */
-		  push_empty( pop_ready( minor ),  minor );
+		  push_empty(pop_ready(minor),  minor);
 		}
 
 	      /* The ready_que can't be full, since we know
 	       * there is one active buffer right now, so it's safe
 	       * to push the active buf on the ready_que. */
-	      push_ready( minor, dt3155_fbuffer[ minor ]->active_buf );
+	      push_ready(minor, dt3155_fbuffer[minor]->active_buf);
 	      /* There's at least 1 empty -- make it active */
-	      dt3155_fbuffer[ minor ]->active_buf = pop_empty( minor );
-	      dt3155_fbuffer[ minor ]->
-		frame_info[ dt3155_fbuffer[ minor ]->
-			    active_buf ].tag = ++unique_tag;
+	      dt3155_fbuffer[minor]->active_buf = pop_empty(minor);
+	      dt3155_fbuffer[minor]->
+		frame_info[dt3155_fbuffer[minor]->
+			    active_buf].tag = ++unique_tag;
 	    }
 	  else /* nbuffers == 2, special case */
 	    { /* There is 1 active buffer.
 	       * If there is a locked buffer, keep the active buffer
 	       * the same -- that means we drop a frame.
 	       */
-	      if ( dt3155_fbuffer[ minor ]->locked_buf < 0 )
+	      if (dt3155_fbuffer[minor]->locked_buf < 0)
 		{
-		  push_ready( minor,
-			      dt3155_fbuffer[ minor ]->active_buf );
-		  if (are_empty_buffers( minor ) )
+		  push_ready(minor,
+			      dt3155_fbuffer[minor]->active_buf);
+		  if (are_empty_buffers(minor))
 		    {
-		      dt3155_fbuffer[ minor ]->active_buf =
-			pop_empty( minor );
+		      dt3155_fbuffer[minor]->active_buf =
+			pop_empty(minor);
 		    }
 		  else
 		    { /* no empty or locked buffers, so use a readybuf */
-		      dt3155_fbuffer[ minor ]->active_buf =
-			pop_ready( minor );
+		      dt3155_fbuffer[minor]->active_buf =
+			pop_ready(minor);
 		    }
 		}
 	    }
 
 #ifdef DEBUG_QUES_B
-	  printques( minor );
+	  printques(minor);
 #endif
 
-	  dt3155_fbuffer[ minor ]->even_happened = 0;
+	  dt3155_fbuffer[minor]->even_happened = 0;
 
-	  wake_up_interruptible( &dt3155_read_wait_queue[ minor ] );
+	  wake_up_interruptible(&dt3155_read_wait_queue[minor]);
 
 	  local_irq_restore(flags);
 	}
 
 
       /* Set up the DMA address for the next frame/field */
-      buffer_addr = dt3155_fbuffer[ minor ]->
-	frame_info[ dt3155_fbuffer[ minor ]->active_buf ].addr;
-      if ( (dt3155_status[ minor ].state & DT3155_STATE_MODE) ==
-	   DT3155_STATE_FLD )
+      buffer_addr = dt3155_fbuffer[minor]->
+	frame_info[dt3155_fbuffer[minor]->active_buf].addr;
+      if ((dt3155_status[minor].state & DT3155_STATE_MODE) ==
+	   DT3155_STATE_FLD)
 	{
-	  WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_START), buffer_addr);
+	  WriteMReg((dt3155_lbase[minor] + EVEN_DMA_START), buffer_addr);
 	}
       else
 	{
-	  WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_START), buffer_addr);
+	  WriteMReg((dt3155_lbase[minor] + EVEN_DMA_START), buffer_addr);
 
-	  WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_START), buffer_addr
-		    + dt3155_status[ minor ].config.cols);
+	  WriteMReg((dt3155_lbase[minor] + ODD_DMA_START), buffer_addr
+		    + dt3155_status[minor].config.cols);
 	}
 
       /* Do error checking */
       i2c_odd_csr.fld.DONE_ODD = 1;
-      if ( i2c_odd_csr.fld.ERROR_ODD )
+      if (i2c_odd_csr.fld.ERROR_ODD)
 	dt3155_errno = DT_ERR_OVERRUN;
 
-      WriteI2C(dt3155_lbase[ minor ], ODD_CSR, i2c_odd_csr.reg );
+      WriteI2C(dt3155_lbase[minor], ODD_CSR, i2c_odd_csr.reg);
 
       return;
     }
   /* If we get here, the Odd Field wasn't it either... */
-  printk( "neither even nor odd.  shared perhaps?\n");
+  printk("neither even nor odd.  shared perhaps?\n");
 }
 
 /*****************************************************
@@ -421,22 +421,22 @@ static inline void dt3155_isr( int irq, void *dev_id, struct pt_regs *regs )
  *****************************************************/
 static void dt3155_init_isr(int minor)
 {
-  const u32 stride =  dt3155_status[ minor ].config.cols;
+  const u32 stride =  dt3155_status[minor].config.cols;
 
-  switch (dt3155_status[ minor ].state & DT3155_STATE_MODE)
+  switch (dt3155_status[minor].state & DT3155_STATE_MODE)
     {
     case DT3155_STATE_FLD:
       {
-	even_dma_start_r  = dt3155_status[ minor ].
-	  fbuffer.frame_info[ dt3155_status[ minor ].fbuffer.active_buf ].addr;
+	even_dma_start_r  = dt3155_status[minor].
+	  fbuffer.frame_info[dt3155_status[minor].fbuffer.active_buf].addr;
 	even_dma_stride_r = 0;
 	odd_dma_stride_r  = 0;
 
-	WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_START),
+	WriteMReg((dt3155_lbase[minor] + EVEN_DMA_START),
 		  even_dma_start_r);
-	WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_STRIDE),
+	WriteMReg((dt3155_lbase[minor] + EVEN_DMA_STRIDE),
 		  even_dma_stride_r);
-	WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_STRIDE),
+	WriteMReg((dt3155_lbase[minor] + ODD_DMA_STRIDE),
 		  odd_dma_stride_r);
 	break;
       }
@@ -444,19 +444,19 @@ static void dt3155_init_isr(int minor)
     case DT3155_STATE_FRAME:
     default:
       {
-	even_dma_start_r  = dt3155_status[ minor ].
-	  fbuffer.frame_info[ dt3155_status[ minor ].fbuffer.active_buf ].addr;
+	even_dma_start_r  = dt3155_status[minor].
+	  fbuffer.frame_info[dt3155_status[minor].fbuffer.active_buf].addr;
 	odd_dma_start_r   =  even_dma_start_r + stride;
 	even_dma_stride_r =  stride;
 	odd_dma_stride_r  =  stride;
 
-	WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_START),
+	WriteMReg((dt3155_lbase[minor] + EVEN_DMA_START),
 		  even_dma_start_r);
-	WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_START),
+	WriteMReg((dt3155_lbase[minor] + ODD_DMA_START),
 		  odd_dma_start_r);
-	WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_STRIDE),
+	WriteMReg((dt3155_lbase[minor] + EVEN_DMA_STRIDE),
 		  even_dma_stride_r);
-	WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_STRIDE),
+	WriteMReg((dt3155_lbase[minor] + ODD_DMA_STRIDE),
 		  odd_dma_stride_r);
 	break;
       }
@@ -465,9 +465,9 @@ static void dt3155_init_isr(int minor)
   /* 50/60 Hz should be set before this point but let's make sure it is */
   /* right anyway */
 
-  ReadI2C(dt3155_lbase[ minor ], CONFIG, &i2c_csr2.reg);
+  ReadI2C(dt3155_lbase[minor], CONFIG, &i2c_csr2.reg);
   i2c_csr2.fld.HZ50 = FORMAT50HZ;
-  WriteI2C(dt3155_lbase[ minor ], CONFIG, i2c_config.reg);
+  WriteI2C(dt3155_lbase[minor], CONFIG, i2c_config.reg);
 
   /* enable busmaster chip, clear flags */
 
@@ -487,7 +487,7 @@ static void dt3155_init_isr(int minor)
   csr1_r.fld.FLD_CRPT_EVE   = 1; /* writing a 1 clears flags */
   csr1_r.fld.FLD_CRPT_ODD   = 1;
 
-  WriteMReg((dt3155_lbase[ minor ] + CSR1),csr1_r.reg);
+  WriteMReg((dt3155_lbase[minor] + CSR1),csr1_r.reg);
 
   /* Enable interrupts at the end of each field */
 
@@ -496,14 +496,14 @@ static void dt3155_init_isr(int minor)
   int_csr_r.fld.FLD_END_ODD_EN = 1;
   int_csr_r.fld.FLD_START_EN = 0;
 
-  WriteMReg((dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg);
+  WriteMReg((dt3155_lbase[minor] + INT_CSR), int_csr_r.reg);
 
   /* start internal BUSY bits */
 
-  ReadI2C(dt3155_lbase[ minor ], CSR2, &i2c_csr2.reg);
+  ReadI2C(dt3155_lbase[minor], CSR2, &i2c_csr2.reg);
   i2c_csr2.fld.BUSY_ODD  = 1;
   i2c_csr2.fld.BUSY_EVE  = 1;
-  WriteI2C(dt3155_lbase[ minor ], CSR2, i2c_csr2.reg);
+  WriteI2C(dt3155_lbase[minor], CSR2, i2c_csr2.reg);
 
   /* Now its up to the interrupt routine!! */
 
@@ -522,7 +522,7 @@ static int dt3155_ioctl(struct inode *inode,
 {
   int minor = MINOR(inode->i_rdev); /* What device are we ioctl()'ing? */
 
-  if ( minor >= MAXBOARDS || minor < 0 )
+  if (minor >= MAXBOARDS || minor < 0)
     return -ENODEV;
 
   /* make sure it is valid command */
@@ -566,7 +566,7 @@ static int dt3155_ioctl(struct inode *inode,
     case DT3155_GET_CONFIG:
       {
 	if (copy_to_user((void *) arg, (void *) &dt3155_status[minor],
-		     sizeof(dt3155_status_t) ))
+		     sizeof(dt3155_status_t)))
 	    return -EFAULT;
 	return 0;
       }
@@ -610,7 +610,7 @@ static int dt3155_ioctl(struct inode *inode,
 	  }
 
 	dt3155_init_isr(minor);
-	if (copy_to_user( (void *) arg, (void *) &dt3155_status[minor],
+	if (copy_to_user((void *) arg, (void *) &dt3155_status[minor],
 		      sizeof(dt3155_status_t)))
 	    return -EFAULT;
 	return 0;
@@ -682,36 +682,36 @@ static int dt3155_mmap (struct file * file, struct vm_area_struct * vma)
  * MOD_INC_USE_COUNT make sure that the driver memory is not freed
  * while the device is in use.
  *****************************************************/
-static int dt3155_open( struct inode* inode, struct file* filep)
+static int dt3155_open(struct inode* inode, struct file* filep)
 {
   int minor = MINOR(inode->i_rdev); /* what device are we opening? */
-  if (dt3155_dev_open[ minor ]) {
+  if (dt3155_dev_open[minor]) {
     printk ("DT3155:  Already opened by another process.\n");
     return -EBUSY;
   }
 
-  if (dt3155_status[ minor ].device_installed==0)
+  if (dt3155_status[minor].device_installed==0)
     {
       printk("DT3155 Open Error: No such device dt3155 minor number %d\n",
 	     minor);
       return -EIO;
     }
 
-  if (dt3155_status[ minor ].state != DT3155_STATE_IDLE) {
+  if (dt3155_status[minor].state != DT3155_STATE_IDLE) {
     printk ("DT3155:  Not in idle state (state = %x)\n",
-	    dt3155_status[ minor ].state);
+	    dt3155_status[minor].state);
     return -EBUSY;
   }
 
   printk("DT3155: Device opened.\n");
 
-  dt3155_dev_open[ minor ] = 1 ;
+  dt3155_dev_open[minor] = 1 ;
 
-  dt3155_flush( minor );
+  dt3155_flush(minor);
 
   /* Disable ALL interrupts */
   int_csr_r.reg = 0;
-  WriteMReg( (dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg );
+  WriteMReg((dt3155_lbase[minor] + INT_CSR), int_csr_r.reg);
 
   init_waitqueue_head(&(dt3155_read_wait_queue[minor]));
 
@@ -725,20 +725,20 @@ static int dt3155_open( struct inode* inode, struct file* filep)
  * Now decrement the use count.
  *
  *****************************************************/
-static int dt3155_close( struct inode *inode, struct file *filep)
+static int dt3155_close(struct inode *inode, struct file *filep)
 {
   int minor;
 
   minor = MINOR(inode->i_rdev); /* which device are we closing */
-  if (!dt3155_dev_open[ minor ])
+  if (!dt3155_dev_open[minor])
     {
       printk("DT3155: attempt to CLOSE a not OPEN device\n");
     }
   else
     {
-      dt3155_dev_open[ minor ] = 0;
+      dt3155_dev_open[minor] = 0;
 
-      if (dt3155_status[ minor ].state != DT3155_STATE_IDLE)
+      if (dt3155_status[minor].state != DT3155_STATE_IDLE)
 	{
 	  quick_stop(minor);
 	}
@@ -782,7 +782,7 @@ static ssize_t dt3155_read(struct file *filep, char __user *buf,
   if (filep->f_flags & O_NDELAY)
     {
       if ((frame_index = dt3155_get_ready_buffer(minor)) < 0) {
-	/*printk( "dt3155:  no buffers available (?)\n");*/
+	/*printk("dt3155:  no buffers available (?)\n");*/
 	/* 		printques(minor); */
 	return -EAGAIN;
       }
@@ -814,7 +814,7 @@ static ssize_t dt3155_read(struct file *filep, char __user *buf,
 
   put_user(offset, (unsigned int *) buf);
   buf += sizeof(u32);
-  put_user( dt3155_status[minor].fbuffer.frame_count, (unsigned int *) buf);
+  put_user(dt3155_status[minor].fbuffer.frame_count, (unsigned int *) buf);
   buf += sizeof(u32);
   put_user(dt3155_status[minor].state, (unsigned int *) buf);
   buf += sizeof(u32);
@@ -901,7 +901,7 @@ static int find_PCI (void)
 
       /* Now, just go out and make sure that this/these device(s) is/are
 	 actually mapped into the kernel address space */
-      if ((error = pci_read_config_dword( pci_dev, PCI_BASE_ADDRESS_0,
+      if ((error = pci_read_config_dword(pci_dev, PCI_BASE_ADDRESS_0,
 					  (u32 *) &base)))
 	{
 	  printk("DT3155: Was not able to find device \n");
@@ -913,26 +913,26 @@ static int find_PCI (void)
 
       /* Remap the base address to a logical address through which we
        * can access it. */
-      dt3155_lbase[ pci_index - 1 ] = ioremap(base,PCI_PAGE_SIZE);
-      dt3155_status[ pci_index - 1 ].reg_addr = base;
+      dt3155_lbase[pci_index - 1] = ioremap(base,PCI_PAGE_SIZE);
+      dt3155_status[pci_index - 1].reg_addr = base;
       DT_3155_DEBUG_MSG("DT3155: New logical address is %p \n",
 			dt3155_lbase[pci_index-1]);
-      if ( !dt3155_lbase[pci_index-1] )
+      if (!dt3155_lbase[pci_index-1])
 	{
 	  printk("DT3155: Unable to remap control registers\n");
 	  goto err;
 	}
 
-      if ( (error = pci_read_config_byte( pci_dev, PCI_INTERRUPT_LINE, &irq)) )
+      if ((error = pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &irq)))
 	{
 	  printk("DT3155: Was not able to find device \n");
 	  goto err;
 	}
 
       DT_3155_DEBUG_MSG("DT3155: IRQ is %d \n",irq);
-      dt3155_status[ pci_index-1 ].irq = irq;
+      dt3155_status[pci_index-1].irq = irq;
       /* Set flag: kth device found! */
-      dt3155_status[ pci_index-1 ].device_installed = 1;
+      dt3155_status[pci_index-1].device_installed = 1;
       printk("DT3155: Installing device %d w/irq %d and address %p\n",
 	     pci_index,
 	     dt3155_status[pci_index-1].irq,
@@ -957,89 +957,89 @@ int init_module(void)
 {
   int index;
   int rcode = 0;
-  char *devname[ MAXBOARDS ];
+  char *devname[MAXBOARDS];
 
-  devname[ 0 ] = "dt3155a";
+  devname[0] = "dt3155a";
 #if MAXBOARDS == 2
-  devname[ 1 ] = "dt3155b";
+  devname[1] = "dt3155b";
 #endif
 
   printk("DT3155: Loading module...\n");
 
   /* Register the device driver */
-  rcode = register_chrdev( dt3155_major, "dt3155", &dt3155_fops );
-  if( rcode < 0 )
+  rcode = register_chrdev(dt3155_major, "dt3155", &dt3155_fops);
+  if(rcode < 0)
     {
-      printk( KERN_INFO "DT3155: register_chrdev failed \n");
+      printk(KERN_INFO "DT3155: register_chrdev failed \n");
       return rcode;
     }
 
-  if( dt3155_major == 0 )
+  if(dt3155_major == 0)
     dt3155_major = rcode; /* dynamic */
 
 
   /* init the status variables.                     */
   /* DMA memory is taken care of in setup_buffers() */
-  for ( index = 0; index < MAXBOARDS; index++ )
+  for (index = 0; index < MAXBOARDS; index++)
     {
-      dt3155_status[ index ].config.acq_mode   = DT3155_MODE_FRAME;
-      dt3155_status[ index ].config.continuous = DT3155_ACQ;
-      dt3155_status[ index ].config.cols       = DT3155_MAX_COLS;
-      dt3155_status[ index ].config.rows       = DT3155_MAX_ROWS;
-      dt3155_status[ index ].state = DT3155_STATE_IDLE;
+      dt3155_status[index].config.acq_mode   = DT3155_MODE_FRAME;
+      dt3155_status[index].config.continuous = DT3155_ACQ;
+      dt3155_status[index].config.cols       = DT3155_MAX_COLS;
+      dt3155_status[index].config.rows       = DT3155_MAX_ROWS;
+      dt3155_status[index].state = DT3155_STATE_IDLE;
 
       /* find_PCI() will check if devices are installed; */
       /* first assume they're not:                       */
-      dt3155_status[ index ].mem_addr          = 0;
-      dt3155_status[ index ].mem_size          = 0;
-      dt3155_status[ index ].state             = DT3155_STATE_IDLE;
-      dt3155_status[ index ].device_installed  = 0;
+      dt3155_status[index].mem_addr          = 0;
+      dt3155_status[index].mem_size          = 0;
+      dt3155_status[index].state             = DT3155_STATE_IDLE;
+      dt3155_status[index].device_installed  = 0;
     }
 
   /* Now let's find the hardware.  find_PCI() will set ndevices to the
    * number of cards found in this machine. */
     {
-      if ( (rcode = find_PCI()) !=  DT_3155_SUCCESS )
+      if ((rcode = find_PCI()) !=  DT_3155_SUCCESS)
 	{
 	  printk("DT3155 error: find_PCI() failed to find dt3155 board(s)\n");
-	  unregister_chrdev( dt3155_major, "dt3155" );
+	  unregister_chrdev(dt3155_major, "dt3155");
 	  return rcode;
 	}
     }
 
   /* Ok, time to setup the frame buffers */
-  if( (rcode = dt3155_setup_buffers(&allocatorAddr)) < 0 )
+  if((rcode = dt3155_setup_buffers(&allocatorAddr)) < 0)
     {
       printk("DT3155: Error: setting up buffer not large enough.");
-      unregister_chrdev( dt3155_major, "dt3155" );
+      unregister_chrdev(dt3155_major, "dt3155");
       return rcode;
     }
 
   /* If we are this far, then there is enough RAM */
   /* for the buffers: Print the configuration.    */
-  for(  index = 0;  index < ndevices;  index++ )
+  for( index = 0;  index < ndevices;  index++)
     {
       printk("DT3155: Device = %d; acq_mode = %d; "
 	     "continuous = %d; cols = %d; rows = %d;\n",
 	     index ,
-	     dt3155_status[ index ].config.acq_mode,
-	     dt3155_status[ index ].config.continuous,
-	     dt3155_status[ index ].config.cols,
-	     dt3155_status[ index ].config.rows);
+	     dt3155_status[index].config.acq_mode,
+	     dt3155_status[index].config.continuous,
+	     dt3155_status[index].config.cols,
+	     dt3155_status[index].config.rows);
       printk("DT3155: m_addr = 0x%x; m_size = %ld; "
 	     "state = %d; device_installed = %d\n",
-	     dt3155_status[ index ].mem_addr,
-	     (long int)dt3155_status[ index ].mem_size,
-	     dt3155_status[ index ].state,
-	     dt3155_status[ index ].device_installed);
+	     dt3155_status[index].mem_addr,
+	     (long int)dt3155_status[index].mem_size,
+	     dt3155_status[index].state,
+	     dt3155_status[index].device_installed);
     }
 
   /* Disable ALL interrupts */
   int_csr_r.reg = 0;
-  for(  index = 0;  index < ndevices;  index++ )
+  for( index = 0;  index < ndevices;  index++)
     {
-      WriteMReg( (dt3155_lbase[ index ] + INT_CSR), int_csr_r.reg );
-      if( dt3155_status[ index ].device_installed )
+      WriteMReg((dt3155_lbase[index] + INT_CSR), int_csr_r.reg);
+      if(dt3155_status[index].device_installed)
 	{
 	  /*
 	   * This driver *looks* like it can handle sharing interrupts,
@@ -1048,14 +1048,14 @@ int init_module(void)
 	   * as a reminder in case any problems arise. (SS)
 	   */
 	  /* in older kernels flags are: SA_SHIRQ | SA_INTERRUPT */
-	  rcode = request_irq( dt3155_status[ index ].irq, (void *)dt3155_isr,
-			       IRQF_SHARED | IRQF_DISABLED, devname[ index ],
+	  rcode = request_irq(dt3155_status[index].irq, (void *)dt3155_isr,
+			       IRQF_SHARED | IRQF_DISABLED, devname[index],
 			       (void*) &dt3155_status[index]);
-	  if( rcode < 0 )
+	  if(rcode < 0)
 	    {
 	      printk("DT3155: minor %d request_irq failed for IRQ %d\n",
 		     index, dt3155_status[index].irq);
-	      unregister_chrdev( dt3155_major, "dt3155" );
+	      unregister_chrdev(dt3155_major, "dt3155");
 	      return rcode;
 	    }
 	}
@@ -1084,15 +1084,15 @@ void cleanup_module(void)
   allocator_cleanup();
 #endif
 
-  unregister_chrdev( dt3155_major, "dt3155" );
+  unregister_chrdev(dt3155_major, "dt3155");
 
-  for( index = 0; index < ndevices; index++ )
+  for(index = 0; index < ndevices; index++)
     {
-      if( dt3155_status[ index ].device_installed == 1 )
+      if(dt3155_status[index].device_installed == 1)
 	{
-	  printk( "DT3155: Freeing irq %d for device %d\n",
-		  dt3155_status[ index ].irq, index );
-	  free_irq( dt3155_status[ index ].irq, (void*)&dt3155_status[index] );
+	  printk("DT3155: Freeing irq %d for device %d\n",
+		  dt3155_status[index].irq, index);
+	  free_irq(dt3155_status[index].irq, (void*)&dt3155_status[index]);
 	}
     }
 }

From 7d4984d8424182eba2774755ae2ae8145651e788 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 29 Mar 2010 00:34:29 -0700
Subject: [PATCH 0901/3638] Staging: dt3155: allocator.c: sparse cleanups

Make prototypes match implementation
Use gfp_t flags not int prio

Still a couple of sparse warnings left

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Simon Horman <horms@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/allocator.c | 15 ++++++++-------
 drivers/staging/dt3155/allocator.h |  4 ++--
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/dt3155/allocator.c b/drivers/staging/dt3155/allocator.c
index 6fbd0507288..bd5adbc2a23 100644
--- a/drivers/staging/dt3155/allocator.c
+++ b/drivers/staging/dt3155/allocator.c
@@ -58,6 +58,8 @@
 
 #include <asm/page.h>
 
+#include "allocator.h"
+
 /*#define ALL_DEBUG*/
 #define ALL_MSG "allocator: "
 
@@ -83,9 +85,9 @@
 /*#define PDEBUGG(fmt, args...) printk( KERN_DEBUG ALL_MSG fmt, ## args)*/
 
 
-int allocator_himem = 1; /* 0 = probe, pos. = megs, neg. = disable   */
-int allocator_step = 1;  /* This is the step size in MB              */
-int allocator_probe = 1; /* This is a flag -- 1=probe, 0=don't probe */
+static int allocator_himem = 1; /* 0 = probe, pos. = megs, neg. = disable   */
+static int allocator_step = 1;  /* This is the step size in MB              */
+static int allocator_probe = 1; /* This is a flag -- 1=probe, 0=don't probe */
 
 static unsigned long allocator_buffer;		/* physical address */
 static unsigned long allocator_buffer_size;	/* kilobytes */
@@ -101,8 +103,7 @@ struct allocator_struct {
 	struct allocator_struct *next;
 };
 
-struct allocator_struct *allocator_list;
-
+static struct allocator_struct *allocator_list;
 
 #ifdef ALL_DEBUG
 static int dump_list(void)
@@ -124,7 +125,7 @@ static int dump_list(void)
  * be used straight ahead for DMA, but needs remapping for program use).
  */
 
-unsigned long allocator_allocate_dma(unsigned long kilobytes, int prio)
+unsigned long allocator_allocate_dma(unsigned long kilobytes, gfp_t flags)
 {
 	struct allocator_struct *ptr = allocator_list, *newptr;
 	unsigned long bytes = kilobytes << 10;
@@ -147,7 +148,7 @@ unsigned long allocator_allocate_dma(unsigned long kilobytes, int prio)
 		PDEBUG("alloc failed\n");
 		return 0; /* end of list */
 	}
-	newptr = kmalloc(sizeof(struct allocator_struct), prio);
+	newptr = kmalloc(sizeof(struct allocator_struct), flags);
 	if (!newptr)
 		return 0;
 
diff --git a/drivers/staging/dt3155/allocator.h b/drivers/staging/dt3155/allocator.h
index bdf3268ca52..425b70fcd50 100644
--- a/drivers/staging/dt3155/allocator.h
+++ b/drivers/staging/dt3155/allocator.h
@@ -22,7 +22,7 @@
  *
  */
 
-void allocator_free_dma(unsigned long address);
-unsigned long allocator_allocate_dma(unsigned long kilobytes, int priority);
+int allocator_free_dma(unsigned long address);
+unsigned long allocator_allocate_dma(unsigned long kilobytes, gfp_t flags);
 int allocator_init(u32 *);
 void allocator_cleanup(void);

From e43a0edcb066935268b60c3444e30423bfee664c Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Apr 2010 16:04:13 -0700
Subject: [PATCH 0902/3638] Staging: dt3155.h: remove #ifdef

We are in the kernel now, don't check to see if we are not.

Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h
index 1bf786364ee..37d9fc6d063 100644
--- a/drivers/staging/dt3155/dt3155.h
+++ b/drivers/staging/dt3155/dt3155.h
@@ -34,15 +34,8 @@ MA 02111-1307 USA
 #ifndef _DT3155_INC
 #define _DT3155_INC
 
-#ifdef __KERNEL__
 #include <linux/types.h>
 #include <linux/time.h>		/* struct timeval */
-#else
-#include <sys/ioctl.h>
-#include <sys/param.h>
-#include <sys/time.h>
-#include <unistd.h>
-#endif
 
 
 #define TRUE  1

From ffefea471134987fc647f0a7502540bb6e5ae71f Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Apr 2010 16:06:14 -0700
Subject: [PATCH 0903/3638] Staging: dt3155: remove TRUE/FALSE

These aren't needed in the kernel, so remove them.

Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h
index 37d9fc6d063..453686e8064 100644
--- a/drivers/staging/dt3155/dt3155.h
+++ b/drivers/staging/dt3155/dt3155.h
@@ -38,9 +38,6 @@ MA 02111-1307 USA
 #include <linux/time.h>		/* struct timeval */
 
 
-#define TRUE  1
-#define FALSE 0
-
 /* Uncomment this for 50Hz CCIR */
 #define CCIR 1
 
@@ -55,11 +52,11 @@ MA 02111-1307 USA
 #ifdef CCIR
 #define DT3155_MAX_ROWS	576
 #define DT3155_MAX_COLS	768
-#define FORMAT50HZ	TRUE
+#define FORMAT50HZ	1
 #else
 #define DT3155_MAX_ROWS	480
 #define DT3155_MAX_COLS	640
-#define FORMAT50HZ	FALSE
+#define FORMAT50HZ	0
 #endif
 
 /* Configuration structure */

From 7f76c52fb0f4c7dfbe7dba1e80691fef957242b6 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Apr 2010 16:45:27 -0700
Subject: [PATCH 0904/3638] Staging: dt3155: remove frame_info_t

The typedef is not needed.

Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155.h     | 8 ++++----
 drivers/staging/dt3155/dt3155_drv.c | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h
index 453686e8064..93ee663f033 100644
--- a/drivers/staging/dt3155/dt3155.h
+++ b/drivers/staging/dt3155/dt3155.h
@@ -68,11 +68,11 @@ struct dt3155_config_s {
 
 
 /* hold data for each frame */
-typedef struct {
+struct frame_info {
 	u32 addr;		/* address of the buffer with the frame */
 	u32 tag;		/* unique number for the frame */
 	struct timeval time;	/* time that capture took place */
-} frame_info_t;
+};
 
 /*
  * Structure for interrupt and buffer handling.
@@ -81,7 +81,7 @@ typedef struct {
 struct dt3155_fbuffer_s {
 	int    nbuffers;
 
-	frame_info_t frame_info[BOARD_MAX_BUFFS];
+	struct frame_info frame_info[BOARD_MAX_BUFFS];
 
 	int empty_buffers[BOARD_MAX_BUFFS];	/* indexes empty frames */
 	int empty_len;				/* Number of empty buffers */
@@ -155,7 +155,7 @@ typedef struct dt3155_read_s {
 	u32 frame_seq;
 	u32 state;
 
-	frame_info_t frame_info;
+	struct frame_info frame_info;
 } dt3155_read_t;
 
 #endif /* _DT3155_inc */
diff --git a/drivers/staging/dt3155/dt3155_drv.c b/drivers/staging/dt3155/dt3155_drv.c
index 91ebfadba9a..cd674e1c6d0 100644
--- a/drivers/staging/dt3155/dt3155_drv.c
+++ b/drivers/staging/dt3155/dt3155_drv.c
@@ -757,7 +757,7 @@ static ssize_t dt3155_read(struct file *filep, char __user *buf,
   int		minor = MINOR(filep->f_dentry->d_inode->i_rdev);
   u32		offset;
   int		frame_index;
-  frame_info_t	*frame_info_p;
+  struct frame_info	*frame_info;
 
   /* TODO: this should check the error flag and */
   /*   return an error on hardware failures */
@@ -807,10 +807,10 @@ static ssize_t dt3155_read(struct file *filep, char __user *buf,
 	}
     }
 
-  frame_info_p = &dt3155_status[minor].fbuffer.frame_info[frame_index];
+  frame_info = &dt3155_status[minor].fbuffer.frame_info[frame_index];
 
   /* make this an offset */
-  offset = frame_info_p->addr - dt3155_status[minor].mem_addr;
+  offset = frame_info->addr - dt3155_status[minor].mem_addr;
 
   put_user(offset, (unsigned int *) buf);
   buf += sizeof(u32);
@@ -818,7 +818,7 @@ static ssize_t dt3155_read(struct file *filep, char __user *buf,
   buf += sizeof(u32);
   put_user(dt3155_status[minor].state, (unsigned int *) buf);
   buf += sizeof(u32);
-  if (copy_to_user(buf, frame_info_p, sizeof(frame_info_t)))
+  if (copy_to_user(buf, frame_info, sizeof(*frame_info)))
       return -EFAULT;
 
   return sizeof(dt3155_read_t);

From 923c1244fc27dc1623d95b6b3a29bc305a18bac5 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Apr 2010 16:47:55 -0700
Subject: [PATCH 0905/3638] Staging: dt3155: remove dt3155_status_t

The typedef is not needed.

Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155.h     | 8 ++++----
 drivers/staging/dt3155/dt3155_drv.c | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h
index 93ee663f033..6546b60b9b8 100644
--- a/drivers/staging/dt3155/dt3155.h
+++ b/drivers/staging/dt3155/dt3155.h
@@ -110,7 +110,7 @@ struct dt3155_fbuffer_s {
 #define DT3155_ACQ		2
 
 /* There is one status structure for each card. */
-typedef struct dt3155_status_s {
+struct dt3155_status {
 	int fixed_mode;		/* if 1, we are in fixed frame mode */
 	u32 reg_addr;	/* Register address for a single card */
 	u32 mem_addr;	/* Buffer start addr for this card */
@@ -120,10 +120,10 @@ typedef struct dt3155_status_s {
 	struct dt3155_fbuffer_s fbuffer;	/* frame buffer state struct */
 	u32 state;		/* this card's state */
 	u32 device_installed;	/* Flag if installed. 1=installed */
-} dt3155_status_t;
+};
 
 /* Reference to global status structure */
-extern struct dt3155_status_s dt3155_status[MAXBOARDS];
+extern struct dt3155_status dt3155_status[MAXBOARDS];
 
 #define DT3155_STATE_IDLE	0x00
 #define DT3155_STATE_FRAME	0x01
@@ -135,7 +135,7 @@ extern struct dt3155_status_s dt3155_status[MAXBOARDS];
 #define DT3155_IOC_MAGIC	'!'
 
 #define DT3155_SET_CONFIG	_IOW(DT3155_IOC_MAGIC, 1, struct dt3155_config_s)
-#define DT3155_GET_CONFIG	_IOR(DT3155_IOC_MAGIC, 2, struct dt3155_status_s)
+#define DT3155_GET_CONFIG	_IOR(DT3155_IOC_MAGIC, 2, struct dt3155_status)
 #define DT3155_STOP		_IO(DT3155_IOC_MAGIC, 3)
 #define DT3155_START		_IO(DT3155_IOC_MAGIC, 4)
 #define DT3155_FLUSH		_IO(DT3155_IOC_MAGIC, 5)
diff --git a/drivers/staging/dt3155/dt3155_drv.c b/drivers/staging/dt3155/dt3155_drv.c
index cd674e1c6d0..5c567e4a88a 100644
--- a/drivers/staging/dt3155/dt3155_drv.c
+++ b/drivers/staging/dt3155/dt3155_drv.c
@@ -112,7 +112,7 @@ int dt3155_major = 0;
 /* Global structures and variables */
 
 /* Status of each device */
-struct dt3155_status_s dt3155_status[MAXBOARDS];
+struct dt3155_status dt3155_status[MAXBOARDS];
 
 /* kernel logical address of the board */
 u8 *dt3155_lbase[MAXBOARDS] = { NULL
@@ -566,7 +566,7 @@ static int dt3155_ioctl(struct inode *inode,
     case DT3155_GET_CONFIG:
       {
 	if (copy_to_user((void *) arg, (void *) &dt3155_status[minor],
-		     sizeof(dt3155_status_t)))
+		     sizeof(struct dt3155_status)))
 	    return -EFAULT;
 	return 0;
       }
@@ -587,7 +587,7 @@ static int dt3155_ioctl(struct inode *inode,
 
 	quick_stop(minor);
 	if (copy_to_user((void *) arg, (void *) &dt3155_status[minor],
-		     sizeof(dt3155_status_t)))
+		     sizeof(struct dt3155_status)))
 	    return -EFAULT;
 	return 0;
       }
@@ -611,7 +611,7 @@ static int dt3155_ioctl(struct inode *inode,
 
 	dt3155_init_isr(minor);
 	if (copy_to_user((void *) arg, (void *) &dt3155_status[minor],
-		      sizeof(dt3155_status_t)))
+		      sizeof(struct dt3155_status)))
 	    return -EFAULT;
 	return 0;
       }

From 5019d2848c6773ee5815291e6d3fcc33d0f5345c Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Apr 2010 16:49:23 -0700
Subject: [PATCH 0906/3638] Staging: dt3155: remove dt3155_read_t

The typedef is not needed.

Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155.h     | 4 ++--
 drivers/staging/dt3155/dt3155_drv.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h
index 6546b60b9b8..74a71f6a8eb 100644
--- a/drivers/staging/dt3155/dt3155.h
+++ b/drivers/staging/dt3155/dt3155.h
@@ -150,12 +150,12 @@ extern struct dt3155_status dt3155_status[MAXBOARDS];
 #define DT_ERR_MASK		0xff0000/* not used but it might be one day */
 
 /* User code will probably want to declare one of these for each card */
-typedef struct dt3155_read_s {
+struct dt3155_read {
 	u32 offset;
 	u32 frame_seq;
 	u32 state;
 
 	struct frame_info frame_info;
-} dt3155_read_t;
+};
 
 #endif /* _DT3155_inc */
diff --git a/drivers/staging/dt3155/dt3155_drv.c b/drivers/staging/dt3155/dt3155_drv.c
index 5c567e4a88a..3e8ceac3d9b 100644
--- a/drivers/staging/dt3155/dt3155_drv.c
+++ b/drivers/staging/dt3155/dt3155_drv.c
@@ -761,7 +761,7 @@ static ssize_t dt3155_read(struct file *filep, char __user *buf,
 
   /* TODO: this should check the error flag and */
   /*   return an error on hardware failures */
-  if (count != sizeof(dt3155_read_t))
+  if (count != sizeof(struct dt3155_read))
     {
       printk("DT3155 ERROR (NJC): count is not right\n");
       return -EINVAL;
@@ -821,7 +821,7 @@ static ssize_t dt3155_read(struct file *filep, char __user *buf,
   if (copy_to_user(buf, frame_info, sizeof(*frame_info)))
       return -EFAULT;
 
-  return sizeof(dt3155_read_t);
+  return sizeof(struct dt3155_read);
 }
 
 static unsigned int dt3155_poll (struct file * filp, poll_table *wait)

From 8b692e69c76592fd91ebfbb0e59faea3b6fda256 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Apr 2010 16:51:50 -0700
Subject: [PATCH 0907/3638] Staging: dt3155: rename dt3155_config_s

Drop the "_s", as it's not needed.

Now, dt3155.h is checkpatch.pl clean.

Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155.h     | 6 +++---
 drivers/staging/dt3155/dt3155_drv.c | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h
index 74a71f6a8eb..b99b5271d15 100644
--- a/drivers/staging/dt3155/dt3155.h
+++ b/drivers/staging/dt3155/dt3155.h
@@ -60,7 +60,7 @@ MA 02111-1307 USA
 #endif
 
 /* Configuration structure */
-struct dt3155_config_s {
+struct dt3155_config {
 	u32 acq_mode;
 	u32 cols, rows;
 	u32 continuous;
@@ -116,7 +116,7 @@ struct dt3155_status {
 	u32 mem_addr;	/* Buffer start addr for this card */
 	u32 mem_size;	/* This is the amount of mem available  */
 	u32 irq;		/* this card's irq */
-	struct dt3155_config_s config;		/* configuration struct */
+	struct dt3155_config config;		/* configuration struct */
 	struct dt3155_fbuffer_s fbuffer;	/* frame buffer state struct */
 	u32 state;		/* this card's state */
 	u32 device_installed;	/* Flag if installed. 1=installed */
@@ -134,7 +134,7 @@ extern struct dt3155_status dt3155_status[MAXBOARDS];
 
 #define DT3155_IOC_MAGIC	'!'
 
-#define DT3155_SET_CONFIG	_IOW(DT3155_IOC_MAGIC, 1, struct dt3155_config_s)
+#define DT3155_SET_CONFIG	_IOW(DT3155_IOC_MAGIC, 1, struct dt3155_config)
 #define DT3155_GET_CONFIG	_IOR(DT3155_IOC_MAGIC, 2, struct dt3155_status)
 #define DT3155_STOP		_IO(DT3155_IOC_MAGIC, 3)
 #define DT3155_START		_IO(DT3155_IOC_MAGIC, 4)
diff --git a/drivers/staging/dt3155/dt3155_drv.c b/drivers/staging/dt3155/dt3155_drv.c
index 3e8ceac3d9b..789d47ae3e0 100644
--- a/drivers/staging/dt3155/dt3155_drv.c
+++ b/drivers/staging/dt3155/dt3155_drv.c
@@ -546,7 +546,7 @@ static int dt3155_ioctl(struct inode *inode,
 	  return -EBUSY;
 
 	{
-	  struct dt3155_config_s tmp;
+	  struct dt3155_config tmp;
 	  if (copy_from_user((void *)&tmp, (void *) arg, sizeof(tmp)))
 	      return -EFAULT;
 	  /* check for valid settings */

From e802b4b79d2b25c47736c135a709b6c31e95fc39 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Apr 2010 16:53:59 -0700
Subject: [PATCH 0908/3638] Staging: dt3155: rename dt3155_fbuffer_s

drop the "_s" as it's not needed.

Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155.h     | 4 ++--
 drivers/staging/dt3155/dt3155_isr.c | 4 ++--
 drivers/staging/dt3155/dt3155_isr.h | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h
index b99b5271d15..793e2fcf446 100644
--- a/drivers/staging/dt3155/dt3155.h
+++ b/drivers/staging/dt3155/dt3155.h
@@ -78,7 +78,7 @@ struct frame_info {
  * Structure for interrupt and buffer handling.
  * This is the setup for 1 card
  */
-struct dt3155_fbuffer_s {
+struct dt3155_fbuffer {
 	int    nbuffers;
 
 	struct frame_info frame_info[BOARD_MAX_BUFFS];
@@ -117,7 +117,7 @@ struct dt3155_status {
 	u32 mem_size;	/* This is the amount of mem available  */
 	u32 irq;		/* this card's irq */
 	struct dt3155_config config;		/* configuration struct */
-	struct dt3155_fbuffer_s fbuffer;	/* frame buffer state struct */
+	struct dt3155_fbuffer fbuffer;	/* frame buffer state struct */
 	u32 state;		/* this card's state */
 	u32 device_installed;	/* Flag if installed. 1=installed */
 };
diff --git a/drivers/staging/dt3155/dt3155_isr.c b/drivers/staging/dt3155/dt3155_isr.c
index 1ebcec0c309..61f74b6a70f 100644
--- a/drivers/staging/dt3155/dt3155_isr.c
+++ b/drivers/staging/dt3155/dt3155_isr.c
@@ -60,7 +60,7 @@ Purpose: Buffer management routines, and other routines for the ISR
 
 
 /* Pointer into global structure for handling buffers */
-struct dt3155_fbuffer_s *dt3155_fbuffer[MAXBOARDS] = {NULL
+struct dt3155_fbuffer *dt3155_fbuffer[MAXBOARDS] = {NULL
 #if MAXBOARDS == 2
 						      , NULL
 #endif
@@ -317,7 +317,7 @@ u32 dt3155_setup_buffers(u32 *allocatorAddr)
       /* Make sure the buffering variables are consistent */
       {
 	u8 *ptr = (u8 *) dt3155_fbuffer[m];
-		for (index = 0; index < sizeof(struct dt3155_fbuffer_s); index++)
+		for (index = 0; index < sizeof(struct dt3155_fbuffer); index++)
 			*(ptr++) = 0;
       }
     }
diff --git a/drivers/staging/dt3155/dt3155_isr.h b/drivers/staging/dt3155/dt3155_isr.h
index 7595cb16c98..7d474cf743d 100644
--- a/drivers/staging/dt3155/dt3155_isr.h
+++ b/drivers/staging/dt3155/dt3155_isr.h
@@ -36,7 +36,7 @@ MA 02111-1307 USA
 #ifndef DT3155_ISR_H
 #define DT3155_ISR_H
 
-extern struct dt3155_fbuffer_s *dt3155_fbuffer[MAXBOARDS];
+extern struct dt3155_fbuffer *dt3155_fbuffer[MAXBOARDS];
 
 /* User functions for buffering */
 /* Initialize the buffering system.  This should */

From e8afd402cc37aa2e6134c2f6e866f4a330d2da80 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Apr 2010 17:04:16 -0700
Subject: [PATCH 0909/3638] Staging: dt3155: remove "inline" usage

It was wrong, and not doing what anyone would think it would do.

Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Scott Smedley <ss@aao.gov.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155/dt3155_drv.c |  2 +-
 drivers/staging/dt3155/dt3155_isr.c | 26 +++++++++++++-------------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/dt3155/dt3155_drv.c b/drivers/staging/dt3155/dt3155_drv.c
index 789d47ae3e0..f31309bf52b 100644
--- a/drivers/staging/dt3155/dt3155_drv.c
+++ b/drivers/staging/dt3155/dt3155_drv.c
@@ -168,7 +168,7 @@ static void quick_stop (int minor)
  * - Assumes irq's are disabled, via SA_INTERRUPT flag
  * being set in request_irq() call from init_module()
  *****************************************************/
-static inline void dt3155_isr(int irq, void *dev_id, struct pt_regs *regs)
+static void dt3155_isr(int irq, void *dev_id, struct pt_regs *regs)
 {
   int    minor = -1;
   int    index;
diff --git a/drivers/staging/dt3155/dt3155_isr.c b/drivers/staging/dt3155/dt3155_isr.c
index 61f74b6a70f..33ddc9c057f 100644
--- a/drivers/staging/dt3155/dt3155_isr.c
+++ b/drivers/staging/dt3155/dt3155_isr.c
@@ -77,7 +77,7 @@ struct dt3155_fbuffer *dt3155_fbuffer[MAXBOARDS] = {NULL
  * are_empty_buffers
  * m is minor # of device
  ***************************/
-inline bool are_empty_buffers(int m)
+bool are_empty_buffers(int m)
 {
   return dt3155_fbuffer[m]->empty_len;
 }
@@ -92,7 +92,7 @@ inline bool are_empty_buffers(int m)
  * given by dt3155_fbuffer[m]->empty_buffers[0].
  * empty_buffers should never fill up, though this is not checked.
  **************************/
-inline void push_empty(int index, int m)
+void push_empty(int index, int m)
 {
   dt3155_fbuffer[m]->empty_buffers[dt3155_fbuffer[m]->empty_len] = index;
   dt3155_fbuffer[m]->empty_len++;
@@ -102,7 +102,7 @@ inline void push_empty(int index, int m)
  * pop_empty(m)
  * m is minor # of device
  **************************/
-inline int pop_empty(int m)
+int pop_empty(int m)
 {
   dt3155_fbuffer[m]->empty_len--;
   return dt3155_fbuffer[m]->empty_buffers[dt3155_fbuffer[m]->empty_len];
@@ -112,7 +112,7 @@ inline int pop_empty(int m)
  * is_ready_buf_empty(m)
  * m is minor # of device
  *************************/
-inline bool is_ready_buf_empty(int m)
+bool is_ready_buf_empty(int m)
 {
   return ((dt3155_fbuffer[m]->ready_len) == 0);
 }
@@ -124,7 +124,7 @@ inline bool is_ready_buf_empty(int m)
  * buffers, since it corresponds to nbuffers ready buffers!!
  * 7/31/02: total rewrite. --NJC
  *************************/
-inline bool is_ready_buf_full(int m)
+bool is_ready_buf_full(int m)
 {
   return dt3155_fbuffer[m]->ready_len == dt3155_fbuffer[m]->nbuffers;
 }
@@ -134,7 +134,7 @@ inline bool is_ready_buf_full(int m)
  * m is minor # of device
  *
  *****************************************************/
-inline void push_ready(int m, int index)
+void push_ready(int m, int index)
 {
   int head = dt3155_fbuffer[m]->ready_head;
 
@@ -151,7 +151,7 @@ inline void push_ready(int m, int index)
  *
  * Simply comptutes the tail given the head and the length.
  *****************************************************/
-static inline int get_tail(int m)
+static int get_tail(int m)
 {
   return (dt3155_fbuffer[m]->ready_head -
 	   dt3155_fbuffer[m]->ready_len +
@@ -168,7 +168,7 @@ static inline int get_tail(int m)
  * This assumes that there is a ready buffer ready... should
  * be checked (e.g. with is_ready_buf_empty()  prior to call.
  *****************************************************/
-inline int pop_ready(int m)
+int pop_ready(int m)
 {
   int tail;
   tail = get_tail(m);
@@ -181,7 +181,7 @@ inline int pop_ready(int m)
  * printques
  * m is minor # of device
  *****************************************************/
-inline void printques(int m)
+void printques(int m)
 {
   int head = dt3155_fbuffer[m]->ready_head;
   int tail;
@@ -410,7 +410,7 @@ u32 dt3155_setup_buffers(u32 *allocatorAddr)
  *
  * m is minor number of device
  *****************************************************/
-static inline void internal_release_locked_buffer(int m)
+static void internal_release_locked_buffer(int m)
 {
   /* Pointer into global structure for handling buffers */
     if (dt3155_fbuffer[m]->locked_buf >= 0) {
@@ -427,7 +427,7 @@ static inline void internal_release_locked_buffer(int m)
  * The user function of the above.
  *
  *****************************************************/
-inline void dt3155_release_locked_buffer(int m)
+void dt3155_release_locked_buffer(int m)
 {
 	unsigned long int flags;
 	local_save_flags(flags);
@@ -442,7 +442,7 @@ inline void dt3155_release_locked_buffer(int m)
  * m is minor # of device
  *
  *****************************************************/
-inline int dt3155_flush(int m)
+int dt3155_flush(int m)
 {
   int index;
   unsigned long int flags;
@@ -479,7 +479,7 @@ inline int dt3155_flush(int m)
  * If the user has a buffer locked it will unlock
  * that buffer before returning the new one.
  *****************************************************/
-inline int dt3155_get_ready_buffer(int m)
+int dt3155_get_ready_buffer(int m)
 {
   int frame_index;
   unsigned long int flags;

From c1989b36df51b08a59b858920b4c84c392a63d12 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 14 Mar 2010 17:03:04 +0200
Subject: [PATCH 0910/3638] Staging: pohmelfs: fix spaces and TAB coding style
 issue in net.c

This is a patch to the net.c file that fixed up a TAB and spaces Errors found by the checkpatch.pl tools, like

ERROR: switch and case should be at the same indent
and
spaces required around that '=' (ctx:VxV)

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pohmelfs/net.c | 38 +++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/pohmelfs/net.c b/drivers/staging/pohmelfs/net.c
index 4a86f0b1ea8..9279897ff16 100644
--- a/drivers/staging/pohmelfs/net.c
+++ b/drivers/staging/pohmelfs/net.c
@@ -713,8 +713,8 @@ static int pohmelfs_crypto_cap_response(struct netfs_state *st)
 
 	dprintk("%s: cipher '%s': %s, hash: '%s': %s.\n",
 			__func__,
-			psb->cipher_string, (cap->cipher_strlen)?"SUPPORTED":"NOT SUPPORTED",
-			psb->hash_string, (cap->hash_strlen)?"SUPPORTED":"NOT SUPPORTED");
+			psb->cipher_string, (cap->cipher_strlen) ? "SUPPORTED" : "NOT SUPPORTED",
+			psb->hash_string, (cap->hash_strlen) ? "SUPPORTED" : "NOT SUPPORTED");
 
 	if (!cap->hash_strlen) {
 		if (psb->hash_strlen && psb->crypto_fail_unsupported)
@@ -748,11 +748,11 @@ static int pohmelfs_capabilities_response(struct netfs_state *st)
 		return err;
 
 	switch (cmd->id) {
-		case POHMELFS_CRYPTO_CAPABILITIES:
+	case POHMELFS_CRYPTO_CAPABILITIES:
 			return pohmelfs_crypto_cap_response(st);
-		case POHMELFS_ROOT_CAPABILITIES:
+	case POHMELFS_ROOT_CAPABILITIES:
 			return pohmelfs_root_cap_response(st);
-		default:
+	default:
 			break;
 	}
 	return -EINVAL;
@@ -774,7 +774,7 @@ static int pohmelfs_getxattr_response(struct netfs_state *st)
 	m = pohmelfs_mcache_search(psb, cmd->id);
 
 	dprintk("%s: id: %llu, gen: %llu, err: %d.\n",
-		__func__, cmd->id, (m)?m->gen:0, error);
+		__func__, cmd->id, (m) ? m->gen : 0, error);
 
 	if (!m) {
 		printk("%s: failed to find getxattr cache entry: id: %llu.\n", __func__, cmd->id);
@@ -824,7 +824,7 @@ int pohmelfs_data_lock_response(struct netfs_state *st)
 	m = pohmelfs_mcache_search(psb, id);
 
 	dprintk("%s: id: %llu, gen: %llu, err: %d.\n",
-		__func__, cmd->id, (m)?m->gen:0, err);
+		__func__, cmd->id, (m) ? m->gen : 0, err);
 
 	if (!m) {
 		pohmelfs_data_recv(st, st->data, cmd->size);
@@ -915,7 +915,7 @@ static int pohmelfs_recv(void *data)
 				unsigned char *hash = e->data;
 
 				dprintk("%s: received hash: ", __func__);
-				for (i=0; i<cmd->csize; ++i)
+				for (i = 0; i < cmd->csize; ++i)
 					printk("%02x ", hash[i]);
 
 				printk("\n");
@@ -933,37 +933,37 @@ static int pohmelfs_recv(void *data)
 		}
 
 		switch (cmd->cmd) {
-			case NETFS_READ_PAGE:
+		case NETFS_READ_PAGE:
 				err = pohmelfs_read_page_response(st);
 				break;
-			case NETFS_READDIR:
+		case NETFS_READDIR:
 				err = pohmelfs_readdir_response(st);
 				break;
-			case NETFS_LOOKUP:
+		case NETFS_LOOKUP:
 				err = pohmelfs_lookup_response(st);
 				break;
-			case NETFS_CREATE:
+		case NETFS_CREATE:
 				err = pohmelfs_create_response(st);
 				break;
-			case NETFS_REMOVE:
+		case NETFS_REMOVE:
 				err = pohmelfs_remove_response(st);
 				break;
-			case NETFS_TRANS:
+		case NETFS_TRANS:
 				err = pohmelfs_transaction_response(st);
 				break;
-			case NETFS_PAGE_CACHE:
+		case NETFS_PAGE_CACHE:
 				err = pohmelfs_page_cache_response(st);
 				break;
-			case NETFS_CAPABILITIES:
+		case NETFS_CAPABILITIES:
 				err = pohmelfs_capabilities_response(st);
 				break;
-			case NETFS_LOCK:
+		case NETFS_LOCK:
 				err = pohmelfs_data_lock_response(st);
 				break;
-			case NETFS_XATTR_GET:
+		case NETFS_XATTR_GET:
 				err = pohmelfs_getxattr_response(st);
 				break;
-			default:
+		default:
 				printk("%s: wrong cmd: %u, id: %llu, start: %llu, size: %u, ext: %u.\n",
 					__func__, cmd->cmd, cmd->id, cmd->start, cmd->size, cmd->ext);
 				netfs_state_reset(st);

From e3f052f2b84f66fcaa9b9149e1e0b4930d78c307 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 14 Mar 2010 17:25:09 +0200
Subject: [PATCH 0911/3638] Staging: pohmelfs: fix spaces and TAB coding style
 issue in crypto.c

This is a patch to the crypto.c file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools, like
	ERROR: switch and case should be at the same indent
and
	spaces required around that '=' (ctx:VxV)

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pohmelfs/crypto.c | 38 +++++++++++++++----------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/pohmelfs/crypto.c b/drivers/staging/pohmelfs/crypto.c
index 884183c0913..2fdb3e01460 100644
--- a/drivers/staging/pohmelfs/crypto.c
+++ b/drivers/staging/pohmelfs/crypto.c
@@ -170,17 +170,17 @@ static int pohmelfs_crypto_process(struct ablkcipher_request *req,
 		err = crypto_ablkcipher_decrypt(req);
 
 	switch (err) {
-		case -EINPROGRESS:
-		case -EBUSY:
-			err = wait_for_completion_interruptible_timeout(&complete.complete,
+	case -EINPROGRESS:
+	case -EBUSY:
+		err = wait_for_completion_interruptible_timeout(&complete.complete,
 					timeout);
-			if (!err)
-				err = -ETIMEDOUT;
-			else if (err > 0)
-				err = complete.error;
-			break;
-		default:
-			break;
+		if (!err)
+			err = -ETIMEDOUT;
+		else if (err > 0)
+			err = complete.error;
+		break;
+	default:
+		break;
 	}
 
 	return err;
@@ -196,7 +196,7 @@ int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 cmd
 		return 0;
 
 	dprintk("%s: eng: %p, iv: %llx, data: %p, page: %p/%lu, size: %u.\n",
-		__func__, e, cmd_iv, data, page, (page)?page->index:0, size);
+		__func__, e, cmd_iv, data, page, (page) ? page->index : 0, size);
 
 	if (data) {
 		sg_init_one(&sg, data, size);
@@ -247,7 +247,7 @@ int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 cmd
 
 			dprintk("%s: eng: %p, hash: %p, cipher: %p: iv : %llx, hash mismatch (recv/calc): ",
 					__func__, e, e->hash, e->cipher, cmd_iv);
-			for (i=0; i<crypto_hash_digestsize(e->hash); ++i) {
+			for (i = 0; i < crypto_hash_digestsize(e->hash); ++i) {
 #if 0
 				dprintka("%02x ", recv[i]);
 				if (recv[i] != calc[i]) {
@@ -279,7 +279,7 @@ err_out_exit:
 }
 
 static int pohmelfs_trans_iter(struct netfs_trans *t, struct pohmelfs_crypto_engine *e,
-		int (* iterator) (struct pohmelfs_crypto_engine *e,
+		int (*iterator) (struct pohmelfs_crypto_engine *e,
 				  struct scatterlist *dst,
 				  struct scatterlist *src))
 {
@@ -319,7 +319,7 @@ static int pohmelfs_trans_iter(struct netfs_trans *t, struct pohmelfs_crypto_eng
 		return 0;
 
 	dpage_idx = 0;
-	for (i=0; i<t->page_num; ++i) {
+	for (i = 0; i < t->page_num; ++i) {
 		struct page *page = t->pages[i];
 		struct page *dpage = e->pages[dpage_idx];
 
@@ -402,7 +402,7 @@ static int pohmelfs_hash(struct pohmelfs_crypto_thread *tc)
 	{
 		unsigned int i;
 		dprintk("%s: ", __func__);
-		for (i=0; i<tc->psb->crypto_attached_size; ++i)
+		for (i = 0; i < tc->psb->crypto_attached_size; ++i)
 			dprintka("%02x ", dst[i]);
 		dprintka("\n");
 	}
@@ -414,7 +414,7 @@ static void pohmelfs_crypto_pages_free(struct pohmelfs_crypto_engine *e)
 {
 	unsigned int i;
 
-	for (i=0; i<e->page_num; ++i)
+	for (i = 0; i < e->page_num; ++i)
 		__free_page(e->pages[i]);
 	kfree(e->pages);
 }
@@ -427,7 +427,7 @@ static int pohmelfs_crypto_pages_alloc(struct pohmelfs_crypto_engine *e, struct
 	if (!e->pages)
 		return -ENOMEM;
 
-	for (i=0; i<psb->trans_max_pages; ++i) {
+	for (i = 0; i < psb->trans_max_pages; ++i) {
 		e->pages[i] = alloc_page(GFP_KERNEL);
 		if (!e->pages[i])
 			break;
@@ -612,7 +612,7 @@ static int pohmelfs_sys_crypto_init(struct pohmelfs_sb *psb)
 				__func__, st, &st->eng, &st->eng.hash, &st->eng.cipher);
 	}
 
-	for (i=0; i<psb->crypto_thread_num; ++i) {
+	for (i = 0; i < psb->crypto_thread_num; ++i) {
 		err = -ENOMEM;
 		t = kzalloc(sizeof(struct pohmelfs_crypto_thread), GFP_KERNEL);
 		if (!t)
@@ -780,7 +780,7 @@ int pohmelfs_crypto_init(struct pohmelfs_sb *psb)
 }
 
 static int pohmelfs_crypto_thread_get(struct pohmelfs_sb *psb,
-		int (* action)(struct pohmelfs_crypto_thread *t, void *data), void *data)
+		int (*action)(struct pohmelfs_crypto_thread *t, void *data), void *data)
 {
 	struct pohmelfs_crypto_thread *t = NULL;
 	int err;

From 5ac7af8942a4e7aca1eebee9b0b4ebc14c8cda89 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 14 Mar 2010 17:11:03 +0200
Subject: [PATCH 0912/3638] Staging: pohmelfs: fix spaces and TAB coding style
 issue in config.c

This is a patch to the config.c file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools, like:
	ERROR: switch and case should be at the same indent

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pohmelfs/config.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
index eed0e5545a5..6571a6ae05a 100644
--- a/drivers/staging/pohmelfs/config.c
+++ b/drivers/staging/pohmelfs/config.c
@@ -509,13 +509,13 @@ static int pohmelfs_cn_crypto(struct cn_msg *msg)
 	}
 
 	switch (crypto->type) {
-		case POHMELFS_CRYPTO_HASH:
+	case POHMELFS_CRYPTO_HASH:
 			err = pohmelfs_crypto_hash_init(g, crypto);
 			break;
-		case POHMELFS_CRYPTO_CIPHER:
+	case POHMELFS_CRYPTO_CIPHER:
 			err = pohmelfs_crypto_cipher_init(g, crypto);
 			break;
-		default:
+	default:
 			err = -ENOTSUPP;
 			break;
 	}
@@ -536,24 +536,24 @@ static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *n
 		return;
 
 	switch (msg->flags) {
-		case POHMELFS_FLAGS_ADD:
-		case POHMELFS_FLAGS_DEL:
-		case POHMELFS_FLAGS_MODIFY:
+	case POHMELFS_FLAGS_ADD:
+	case POHMELFS_FLAGS_DEL:
+	case POHMELFS_FLAGS_MODIFY:
 			err = pohmelfs_cn_ctl(msg, msg->flags);
 			break;
-		case POHMELFS_FLAGS_FLUSH:
+	case POHMELFS_FLAGS_FLUSH:
 			err = pohmelfs_cn_flush(msg);
 			break;
-		case POHMELFS_FLAGS_SHOW:
+	case POHMELFS_FLAGS_SHOW:
 			err = pohmelfs_cn_disp(msg);
 			break;
-		case POHMELFS_FLAGS_DUMP:
+	case POHMELFS_FLAGS_DUMP:
 			err = pohmelfs_cn_dump(msg);
 			break;
-		case POHMELFS_FLAGS_CRYPTO:
+	case POHMELFS_FLAGS_CRYPTO:
 			err = pohmelfs_cn_crypto(msg);
 			break;
-		default:
+	default:
 			err = -ENOSYS;
 			break;
 	}

From 3420bc94e5c569a3385e781bf65c7d86c3053342 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 14 Mar 2010 17:39:46 +0200
Subject: [PATCH 0913/3638] Staging: pohmelfs: fix spaces and TAB coding style
 issue in dir.c

This is a patch to the dir.c file that fixed up a TAB and spaces Errors
found by the checkpatch.pl tools, like
	ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pohmelfs/dir.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c
index 79819f07bfb..059e9d2ddf6 100644
--- a/drivers/staging/pohmelfs/dir.c
+++ b/drivers/staging/pohmelfs/dir.c
@@ -105,7 +105,7 @@ static struct pohmelfs_name *pohmelfs_insert_hash(struct pohmelfs_inode *pi,
 
 	if (ret) {
 		printk("%s: exist: parent: %llu, ino: %llu, hash: %x, len: %u, data: '%s', "
-				           "new: ino: %llu, hash: %x, len: %u, data: '%s'.\n",
+					"new: ino: %llu, hash: %x, len: %u, data: '%s'.\n",
 				__func__, pi->ino,
 				ret->ino, ret->hash, ret->len, ret->data,
 				new->ino, new->hash, new->len, new->data);
@@ -234,7 +234,7 @@ struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
 	int err = -EEXIST;
 
 	dprintk("%s: creating inode: parent: %llu, ino: %llu, str: %p.\n",
-			__func__, (parent)?parent->ino:0, info->ino, str);
+			__func__, (parent) ? parent->ino : 0, info->ino, str);
 
 	err = -ENOMEM;
 	new = iget_locked(psb->sb, info->ino);
@@ -265,8 +265,8 @@ struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
 			s.len = 2;
 			s.hash = jhash(s.name, s.len, 0);
 
-			err = pohmelfs_add_dir(psb, npi, (parent)?parent:npi, &s,
-					(parent)?parent->vfs_inode.i_mode:npi->vfs_inode.i_mode, 0);
+			err = pohmelfs_add_dir(psb, npi, (parent) ? parent : npi, &s,
+					(parent) ? parent->vfs_inode.i_mode : npi->vfs_inode.i_mode, 0);
 			if (err)
 				goto err_out_put;
 		}
@@ -277,7 +277,7 @@ struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
 			err = pohmelfs_add_dir(psb, parent, npi, str, info->mode, link);
 
 			dprintk("%s: %s inserted name: '%s', new_offset: %llu, ino: %llu, parent: %llu.\n",
-					__func__, (err)?"unsuccessfully":"successfully",
+					__func__, (err) ? "unsuccessfully" : "successfully",
 					str->name, parent->total_len, info->ino, parent->ino);
 
 			if (err && err != -EEXIST)
@@ -605,7 +605,7 @@ struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb,
 	if (!start)
 		info.ino = pohmelfs_new_ino(psb);
 
-	info.nlink = S_ISDIR(mode)?2:1;
+	info.nlink = S_ISDIR(mode) ? 2 : 1;
 	info.uid = current_fsuid();
 	info.gid = current_fsgid();
 	info.size = 0;
@@ -849,7 +849,7 @@ static int pohmelfs_create_link(struct pohmelfs_inode *parent, struct qstr *obj,
 	}
 
 	dprintk("%s: parent: %llu, obj: '%s', target_inode: %llu, target_str: '%s', full: '%s'.\n",
-			__func__, parent->ino, obj->name, (target)?target->ino:0, (tstr)?tstr->name:NULL,
+			__func__, parent->ino, obj->name, (target) ? target->ino : 0, (tstr) ? tstr->name : NULL,
 			(char *)data);
 
 	cmd->cmd = NETFS_LINK;

From 9b835ea87b43354d6bd053fba7f79cc84b588a3d Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 14 Mar 2010 18:00:08 +0200
Subject: [PATCH 0914/3638] Staging: pohmelfs: fix comments, spaces and TAB
 coding style issue in netfs.h

This is a patch to the netfs.h file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools, like
	ERROR: spaces required around that '=' (ctx:VxV)
and
	ERROR: do not use C99 // comments

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pohmelfs/netfs.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h
index 01cba006e07..35c898a3a9d 100644
--- a/drivers/staging/pohmelfs/netfs.h
+++ b/drivers/staging/pohmelfs/netfs.h
@@ -305,7 +305,7 @@ struct pohmelfs_inode {
 };
 
 struct netfs_trans;
-typedef int (* netfs_trans_complete_t)(struct page **pages, unsigned int page_num,
+typedef int (*netfs_trans_complete_t)(struct page **pages, unsigned int page_num,
 		void *private, int err);
 
 struct netfs_state;
@@ -911,7 +911,8 @@ static inline void pohmelfs_mcache_put(struct pohmelfs_sb *psb,
 		pohmelfs_mcache_free(psb, m);
 }
 
-//#define POHMELFS_TRUNCATE_ON_INODE_FLUSH
+/*#define POHMELFS_TRUNCATE_ON_INODE_FLUSH
+ */
 
 #endif /* __KERNEL__*/
 

From 75cc5d9c648f6af2362ae4da54f5d237d0cc75ee Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 14 Mar 2010 18:08:05 +0200
Subject: [PATCH 0915/3638] Staging: pohmelfs: fix spaces and TAB coding style
 issue in netfs.h

This is a patch to the netfs.h file that fixed up a TAB and spaces
WARNING found by the checkpatch.pl tools, like
	WARNING: please, no space before tabs

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pohmelfs/netfs.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h
index 35c898a3a9d..63391d2c25a 100644
--- a/drivers/staging/pohmelfs/netfs.h
+++ b/drivers/staging/pohmelfs/netfs.h
@@ -489,7 +489,7 @@ void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th);
 struct netfs_state {
 	struct mutex		__state_lock;		/* Can not allow to use the same socket simultaneously */
 	struct mutex		__state_send_lock;
-	struct netfs_cmd 	cmd;			/* Cached command */
+	struct netfs_cmd	cmd;			/* Cached command */
 	struct netfs_inode_info	info;			/* Cached inode info */
 
 	void			*data;			/* Cached some data */
@@ -500,9 +500,9 @@ struct netfs_state {
 	struct task_struct	*thread;		/* Async receiving thread */
 
 	/* Waiting/polling machinery */
-	wait_queue_t 		wait;
-	wait_queue_head_t 	*whead;
-	wait_queue_head_t 	thread_wait;
+	wait_queue_t		wait;
+	wait_queue_head_t	*whead;
+	wait_queue_head_t	thread_wait;
 
 	struct mutex		trans_lock;
 	struct rb_root		trans_root;
@@ -620,8 +620,8 @@ struct pohmelfs_sb {
 	/*
 	 * Timed checks: stale transactions, inodes to be freed and so on.
 	 */
-	struct delayed_work 	dwork;
-	struct delayed_work 	drop_dwork;
+	struct delayed_work	dwork;
+	struct delayed_work	drop_dwork;
 
 	struct super_block	*sb;
 

From 5d6892b3c6811cfd20e3d71d89fa77f4b6bd089b Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 14 Mar 2010 17:50:20 +0200
Subject: [PATCH 0916/3638] Staging: pohmelfs: fix spaces and TAB coding style
 issue in inode.c

This is a patch to the inode.c file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools, like
	ERROR: spaces required around that '=' (ctx:VxV)

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pohmelfs/inode.c | 64 ++++++++++++++++----------------
 1 file changed, 32 insertions(+), 32 deletions(-)

diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
index 63275529ff5..9286e863b0e 100644
--- a/drivers/staging/pohmelfs/inode.c
+++ b/drivers/staging/pohmelfs/inode.c
@@ -685,7 +685,7 @@ static int pohmelfs_readpages_trans_complete(struct page **__pages, unsigned int
 		goto err_out_free;
 	}
 
-	for (i=0; i<num; ++i) {
+	for (i = 0; i < num; ++i) {
 		page = pages[i];
 
 		if (err)
@@ -1431,35 +1431,35 @@ static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb, int re
 			continue;
 
 		switch (token) {
-			case pohmelfs_opt_idx:
-				psb->idx = option;
-				break;
-			case pohmelfs_opt_trans_scan_timeout:
-				psb->trans_scan_timeout = msecs_to_jiffies(option);
-				break;
-			case pohmelfs_opt_drop_scan_timeout:
-				psb->drop_scan_timeout = msecs_to_jiffies(option);
-				break;
-			case pohmelfs_opt_wait_on_page_timeout:
-				psb->wait_on_page_timeout = msecs_to_jiffies(option);
-				break;
-			case pohmelfs_opt_mcache_timeout:
-				psb->mcache_timeout = msecs_to_jiffies(option);
-				break;
-			case pohmelfs_opt_trans_retries:
-				psb->trans_retries = option;
-				break;
-			case pohmelfs_opt_crypto_thread_num:
-				psb->crypto_thread_num = option;
-				break;
-			case pohmelfs_opt_trans_max_pages:
-				psb->trans_max_pages = option;
-				break;
-			case pohmelfs_opt_crypto_fail_unsupported:
-				psb->crypto_fail_unsupported = 1;
-				break;
-			default:
-				return -EINVAL;
+		case pohmelfs_opt_idx:
+			psb->idx = option;
+			break;
+		case pohmelfs_opt_trans_scan_timeout:
+			psb->trans_scan_timeout = msecs_to_jiffies(option);
+			break;
+		case pohmelfs_opt_drop_scan_timeout:
+			psb->drop_scan_timeout = msecs_to_jiffies(option);
+			break;
+		case pohmelfs_opt_wait_on_page_timeout:
+			psb->wait_on_page_timeout = msecs_to_jiffies(option);
+			break;
+		case pohmelfs_opt_mcache_timeout:
+			psb->mcache_timeout = msecs_to_jiffies(option);
+			break;
+		case pohmelfs_opt_trans_retries:
+			psb->trans_retries = option;
+			break;
+		case pohmelfs_opt_crypto_thread_num:
+			psb->crypto_thread_num = option;
+			break;
+		case pohmelfs_opt_trans_max_pages:
+			psb->trans_max_pages = option;
+			break;
+		case pohmelfs_opt_crypto_fail_unsupported:
+			psb->crypto_fail_unsupported = 1;
+			break;
+		default:
+			return -EINVAL;
 		}
 	}
 
@@ -1777,7 +1777,7 @@ static int pohmelfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
 			seq_printf(m, "%pi6:%u", &sin->sin6_addr, ntohs(sin->sin6_port));
 		} else {
 			unsigned int i;
-			for (i=0; i<ctl->addrlen; ++i)
+			for (i = 0; i < ctl->addrlen; ++i)
 				seq_printf(m, "%02x.", ctl->addr.addr[i]);
 		}
 
@@ -2035,7 +2035,7 @@ err_out_exit:
 
 static void __exit exit_pohmel_fs(void)
 {
-        unregister_filesystem(&pohmel_fs_type);
+	unregister_filesystem(&pohmel_fs_type);
 	pohmelfs_destroy_inodecache();
 	pohmelfs_mcache_exit();
 	pohmelfs_config_exit();

From 9fd453c981b07f8cd501a938085b901b0c8c0bf5 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Mon, 29 Mar 2010 01:24:45 +0100
Subject: [PATCH 0917/3638] Staging: rt28xx: Make PCI_{MAP,UNMAP}_SINGLE
 type-safe

To avoid recurrence of bugs such as <http://bugs.debian.org/575726>,
change the type of the first parameter to linux_pci_{map,unmap}_single()
from void * to struct rt_rtmp_adapter *.  Also do not define the macros
PCI_{MAP,UNMAP}_SINGLE() when building the rt2870sta driver; they are
not used and if they were that would be a bug.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/rt_linux.h    | 14 +++++---------
 drivers/staging/rt2860/rt_pci_rbus.c | 12 ++++--------
 2 files changed, 9 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/rt2860/rt_linux.h b/drivers/staging/rt2860/rt_linux.h
index a7c540f8e3e..b370fb21e42 100644
--- a/drivers/staging/rt2860/rt_linux.h
+++ b/drivers/staging/rt2860/rt_linux.h
@@ -455,10 +455,11 @@ void hex_dump(char *str, unsigned char *pSrcBufVA, unsigned int SrcBufLen);
  * Device DMA Access related definitions and data structures.
  **********************************************************************************/
 #ifdef RTMP_MAC_PCI
-dma_addr_t linux_pci_map_single(void *handle, void *ptr, size_t size,
-				int sd_idx, int direction);
-void linux_pci_unmap_single(void *handle, dma_addr_t dma_addr, size_t size,
-			    int direction);
+struct rt_rtmp_adapter;
+dma_addr_t linux_pci_map_single(struct rt_rtmp_adapter *pAd, void *ptr,
+				size_t size, int sd_idx, int direction);
+void linux_pci_unmap_single(struct rt_rtmp_adapter *pAd, dma_addr_t dma_addr,
+			    size_t size, int direction);
 
 #define PCI_MAP_SINGLE(_handle, _ptr, _size, _sd_idx, _dir) \
 	linux_pci_map_single(_handle, _ptr, _size, _sd_idx, _dir)
@@ -475,11 +476,6 @@ void linux_pci_unmap_single(void *handle, dma_addr_t dma_addr, size_t size,
 #define DEV_ALLOC_SKB(_length) \
 	dev_alloc_skb(_length)
 #endif /* RTMP_MAC_PCI // */
-#ifdef RTMP_MAC_USB
-#define PCI_MAP_SINGLE(_handle, _ptr, _size, _dir) (unsigned long)0
-
-#define PCI_UNMAP_SINGLE(_handle, _ptr, _size, _dir)
-#endif /* RTMP_MAC_USB // */
 
 /*
  * unsigned long
diff --git a/drivers/staging/rt2860/rt_pci_rbus.c b/drivers/staging/rt2860/rt_pci_rbus.c
index e0a0aeeb17a..acdf09f148e 100644
--- a/drivers/staging/rt2860/rt_pci_rbus.c
+++ b/drivers/staging/rt2860/rt_pci_rbus.c
@@ -790,10 +790,9 @@ IRQ_HANDLE_TYPE rt2860_interrupt(int irq, void *dev_instance)
  * invaild or writeback cache
  * and convert virtual address to physical address
  */
-dma_addr_t linux_pci_map_single(void *handle, void *ptr, size_t size,
-				int sd_idx, int direction)
+dma_addr_t linux_pci_map_single(struct rt_rtmp_adapter *pAd, void *ptr,
+				size_t size, int sd_idx, int direction)
 {
-	struct rt_rtmp_adapter *pAd;
 	struct os_cookie *pObj;
 
 	/*
@@ -812,7 +811,6 @@ dma_addr_t linux_pci_map_single(void *handle, void *ptr, size_t size,
 	   sd_idx = -1
 	 */
 
-	pAd = (struct rt_rtmp_adapter *)handle;
 	pObj = (struct os_cookie *)pAd->OS_Cookie;
 
 	if (sd_idx == 1) {
@@ -826,13 +824,11 @@ dma_addr_t linux_pci_map_single(void *handle, void *ptr, size_t size,
 
 }
 
-void linux_pci_unmap_single(void *handle, dma_addr_t dma_addr, size_t size,
-			    int direction)
+void linux_pci_unmap_single(struct rt_rtmp_adapter *pAd, dma_addr_t dma_addr,
+			    size_t size, int direction)
 {
-	struct rt_rtmp_adapter *pAd;
 	struct os_cookie *pObj;
 
-	pAd = (struct rt_rtmp_adapter *)handle;
 	pObj = (struct os_cookie *)pAd->OS_Cookie;
 
 	pci_unmap_single(pObj->pci_dev, dma_addr, size, direction);

From cc9b5222f225d03d8815a4d7225f0cbf01755ef3 Mon Sep 17 00:00:00 2001
From: Gorskin Ilya <revent82@gmail.com>
Date: Thu, 18 Mar 2010 14:56:47 +0500
Subject: [PATCH 0918/3638] Staging: rt2860: fix coding style issue in
 rt_linux.c

Signed-off-by: Gorskin Ilya <revent82@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/rt_linux.c | 42 +++++++++++++++----------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/rt2860/rt_linux.c b/drivers/staging/rt2860/rt_linux.c
index fd9a2072139..bfda187d2fb 100644
--- a/drivers/staging/rt2860/rt_linux.c
+++ b/drivers/staging/rt2860/rt_linux.c
@@ -82,7 +82,7 @@ char const *pWirelessFloodEventText[IW_FLOOD_EVENT_TYPE_NUM] = {
 };
 
 /* timeout -- ms */
-void RTMP_SetPeriodicTimer(struct timer_list * pTimer,
+void RTMP_SetPeriodicTimer(struct timer_list *pTimer,
 			   IN unsigned long timeout)
 {
 	timeout = ((timeout * OS_HZ) / 1000);
@@ -92,7 +92,7 @@ void RTMP_SetPeriodicTimer(struct timer_list * pTimer,
 
 /* convert NdisMInitializeTimer --> RTMP_OS_Init_Timer */
 void RTMP_OS_Init_Timer(struct rt_rtmp_adapter *pAd,
-			struct timer_list * pTimer,
+			struct timer_list *pTimer,
 			IN TIMER_FUNCTION function, void *data)
 {
 	init_timer(pTimer);
@@ -100,7 +100,7 @@ void RTMP_OS_Init_Timer(struct rt_rtmp_adapter *pAd,
 	pTimer->function = function;
 }
 
-void RTMP_OS_Add_Timer(struct timer_list * pTimer,
+void RTMP_OS_Add_Timer(struct timer_list *pTimer,
 		       IN unsigned long timeout)
 {
 	if (timer_pending(pTimer))
@@ -111,14 +111,14 @@ void RTMP_OS_Add_Timer(struct timer_list * pTimer,
 	add_timer(pTimer);
 }
 
-void RTMP_OS_Mod_Timer(struct timer_list * pTimer,
+void RTMP_OS_Mod_Timer(struct timer_list *pTimer,
 		       IN unsigned long timeout)
 {
 	timeout = ((timeout * OS_HZ) / 1000);
 	mod_timer(pTimer, jiffies + timeout);
 }
 
-void RTMP_OS_Del_Timer(struct timer_list * pTimer,
+void RTMP_OS_Del_Timer(struct timer_list *pTimer,
 		       OUT BOOLEAN * pCancelled)
 {
 	if (timer_pending(pTimer)) {
@@ -146,7 +146,7 @@ void RTMPusecDelay(unsigned long usec)
 		udelay(usec % 50);
 }
 
-void RTMP_GetCurrentSystemTime(LARGE_INTEGER * time)
+void RTMP_GetCurrentSystemTime(LARGE_INTEGER *time)
 {
 	time->u.LowPart = jiffies;
 }
@@ -156,9 +156,9 @@ int os_alloc_mem(struct rt_rtmp_adapter *pAd, u8 ** mem, unsigned long size)
 {
 	*mem = (u8 *)kmalloc(size, GFP_ATOMIC);
 	if (*mem)
-		return (NDIS_STATUS_SUCCESS);
+		return NDIS_STATUS_SUCCESS;
 	else
-		return (NDIS_STATUS_FAILURE);
+		return NDIS_STATUS_FAILURE;
 }
 
 /* pAd MUST allow to be NULL */
@@ -167,7 +167,7 @@ int os_free_mem(struct rt_rtmp_adapter *pAd, void *mem)
 
 	ASSERT(mem);
 	kfree(mem);
-	return (NDIS_STATUS_SUCCESS);
+	return NDIS_STATUS_SUCCESS;
 }
 
 void *RtmpOSNetPktAlloc(struct rt_rtmp_adapter *pAd, IN int size)
@@ -176,7 +176,7 @@ void *RtmpOSNetPktAlloc(struct rt_rtmp_adapter *pAd, IN int size)
 	/* Add 2 more bytes for ip header alignment */
 	skb = dev_alloc_skb(size + 2);
 
-	return ((void *)skb);
+	return (void *)skb;
 }
 
 void *RTMP_AllocateFragPacketBuffer(struct rt_rtmp_adapter *pAd,
@@ -201,7 +201,7 @@ void *RTMP_AllocateFragPacketBuffer(struct rt_rtmp_adapter *pAd,
 void *RTMP_AllocateTxPacketBuffer(struct rt_rtmp_adapter *pAd,
 					 unsigned long Length,
 					 IN BOOLEAN Cached,
-					 void ** VirtualAddress)
+					 void **VirtualAddress)
 {
 	struct sk_buff *pkt;
 
@@ -271,7 +271,7 @@ void RTMPFreeAdapter(struct rt_rtmp_adapter *pAd)
 
 BOOLEAN OS_Need_Clone_Packet(void)
 {
-	return (FALSE);
+	return FALSE;
 }
 
 /*
@@ -299,7 +299,7 @@ BOOLEAN OS_Need_Clone_Packet(void)
 int RTMPCloneNdisPacket(struct rt_rtmp_adapter *pAd,
 				IN BOOLEAN pInsAMSDUHdr,
 				void *pInPacket,
-				void ** ppOutPacket)
+				void **ppOutPacket)
 {
 
 	struct sk_buff *pkt;
@@ -328,7 +328,7 @@ int RTMPCloneNdisPacket(struct rt_rtmp_adapter *pAd,
 
 /* the allocated NDIS PACKET must be freed via RTMPFreeNdisPacket() */
 int RTMPAllocateNdisPacket(struct rt_rtmp_adapter *pAd,
-				   void ** ppPacket,
+				   void **ppPacket,
 				   u8 *pHeader,
 				   u32 HeaderLen,
 				   u8 *pData, u32 DataLen)
@@ -391,7 +391,7 @@ int Sniff2BytesFromNdisBuffer(char *pFirstBuffer,
 
 void RTMP_QueryPacketInfo(void *pPacket,
 			  struct rt_packet_info *pPacketInfo,
-			  u8 ** pSrcBufVA, u32 * pSrcBufLen)
+			  u8 **pSrcBufVA, u32 * pSrcBufLen)
 {
 	pPacketInfo->BufferCount = 1;
 	pPacketInfo->pFirstBuffer = (char *)GET_OS_PKT_DATAPTR(pPacket);
@@ -402,9 +402,9 @@ void RTMP_QueryPacketInfo(void *pPacket,
 	*pSrcBufLen = GET_OS_PKT_LEN(pPacket);
 }
 
-void RTMP_QueryNextPacketInfo(void ** ppPacket,
+void RTMP_QueryNextPacketInfo(void **ppPacket,
 			      struct rt_packet_info *pPacketInfo,
-			      u8 ** pSrcBufVA, u32 * pSrcBufLen)
+			      u8 **pSrcBufVA, u32 * pSrcBufLen)
 {
 	void *pPacket = NULL;
 
@@ -589,7 +589,7 @@ rt_get_sg_list_from_packet(void *pPacket, struct rt_rtmp_sg_list *sg)
 	sg->NumberOfElements = 1;
 	sg->Elements[0].Address = GET_OS_PKT_DATAPTR(pPacket);
 	sg->Elements[0].Length = GET_OS_PKT_LEN(pPacket);
-	return (sg);
+	return sg;
 }
 
 void hex_dump(char *str, unsigned char *pSrcBufVA, unsigned int SrcBufLen)
@@ -1062,7 +1062,7 @@ void RtmpOSTaskCustomize(struct rt_rtmp_os_task *pTask)
 
 #ifndef KTHREAD_SUPPORT
 
-	daemonize((char *)& pTask->taskName[0] /*"%s",pAd->net_dev->name */ );
+	daemonize((char *)&pTask->taskName[0] /*"%s",pAd->net_dev->name */);
 
 	allow_signal(SIGTERM);
 	allow_signal(SIGKILL);
@@ -1247,7 +1247,7 @@ void RtmpOSNetDevFree(struct net_device *pNetDev)
 	free_netdev(pNetDev);
 }
 
-int RtmpOSNetDevAlloc(struct net_device ** new_dev_p, u32 privDataSize)
+int RtmpOSNetDevAlloc(struct net_device **new_dev_p, u32 privDataSize)
 {
 	/* assign it as null first. */
 	*new_dev_p = NULL;
@@ -1344,7 +1344,7 @@ struct net_device *RtmpOSNetDevCreate(struct rt_rtmp_adapter *pAd,
 	int status;
 
 	/* allocate a new network device */
-	status = RtmpOSNetDevAlloc(&pNetDev, 0 /*privMemSize */ );
+	status = RtmpOSNetDevAlloc(&pNetDev, 0 /*privMemSize */);
 	if (status != NDIS_STATUS_SUCCESS) {
 		/* allocation fail, exit */
 		DBGPRINT(RT_DEBUG_ERROR,

From 52acccb144ef698577a372b60a17e56b686fa064 Mon Sep 17 00:00:00 2001
From: Gorskin Ilya <revent82@gmail.com>
Date: Fri, 19 Mar 2010 22:57:50 +0500
Subject: [PATCH 0919/3638] Staging: rt2860: fix coding style issue in
 rt_main_dev.c

This is a patch to the rt_main_dev.c file that fixes up errors found by
the checkpatch.pl tool

Signed-off-by: Gorskin Ilya <revent82@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/rt_main_dev.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/rt2860/rt_main_dev.c b/drivers/staging/rt2860/rt_main_dev.c
index fbddb00cfed..ad60ceaf4b8 100644
--- a/drivers/staging/rt2860/rt_main_dev.c
+++ b/drivers/staging/rt2860/rt_main_dev.c
@@ -439,13 +439,13 @@ int rt28xx_open(struct net_device *dev)
 	RTMPInitPCIeLinkCtrlValue(pAd);
 #endif /* RTMP_MAC_PCI // */
 
-	return (retval);
+	return retval;
 
 err:
 /*+++Add by shiang, move from rt28xx_init() to here. */
 	RtmpOSIRQRelease(net_dev);
 /*---Add by shiang, move from rt28xx_init() to here. */
-	return (-1);
+	return -1;
 }				/* End of rt28xx_open */
 
 static const struct net_device_ops rt2860_netdev_ops = {
@@ -534,7 +534,7 @@ int rt28xx_packet_xmit(struct sk_buff *skb)
 	}
 
 	RTMP_SET_PACKET_5VT(pPacket, 0);
-	STASendPackets((void *)pAd, (void **)& pPacket, 1);
+	STASendPackets((void *)pAd, (void **)&pPacket, 1);
 
 	status = NETDEV_TX_OK;
 done:
@@ -571,7 +571,7 @@ static int rt28xx_send_packets(IN struct sk_buff *skb_p,
 		return NETDEV_TX_OK;
 	}
 
-	NdisZeroMemory((u8 *)& skb_p->cb[CB_OFF], 15);
+	NdisZeroMemory((u8 *)&skb_p->cb[CB_OFF], 15);
 	RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 
 	return rt28xx_packet_xmit(skb_p);
@@ -628,13 +628,13 @@ void tbtt_tasklet(unsigned long data)
     ========================================================================
 
     Routine Description:
-        return ethernet statistics counter
+	return ethernet statistics counter
 
     Arguments:
-        net_dev                     Pointer to net_device
+	net_dev				Pointer to net_device
 
     Return Value:
-        net_device_stats*
+	net_device_stats*
 
     Note:
 
@@ -728,9 +728,9 @@ int AdapterBlockAllocateMemory(void *handle, void ** ppAd)
 
 	if (*ppAd) {
 		NdisZeroMemory(*ppAd, sizeof(struct rt_rtmp_adapter));
-		((struct rt_rtmp_adapter *)* ppAd)->OS_Cookie = handle;
-		return (NDIS_STATUS_SUCCESS);
+		((struct rt_rtmp_adapter *)*ppAd)->OS_Cookie = handle;
+		return NDIS_STATUS_SUCCESS;
 	} else {
-		return (NDIS_STATUS_FAILURE);
+		return NDIS_STATUS_FAILURE;
 	}
 }

From 015ffcbeb3a95bd67fd9851a6428508a2e48837f Mon Sep 17 00:00:00 2001
From: Gorskin Ilya <revent82@gmail.com>
Date: Fri, 19 Mar 2010 23:10:32 +0500
Subject: [PATCH 0920/3638] Staging: rt2860: fix coding style issue in
 rt_pci_rbus.c

This is a patch to the rt_pci_rbus.c file that fixes up errors found by
the checkpatch.pl tool

Signed-off-by: Gorskin Ilya <revent82@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/rt_pci_rbus.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/rt2860/rt_pci_rbus.c b/drivers/staging/rt2860/rt_pci_rbus.c
index acdf09f148e..3004be6da00 100644
--- a/drivers/staging/rt2860/rt_pci_rbus.c
+++ b/drivers/staging/rt2860/rt_pci_rbus.c
@@ -81,7 +81,7 @@ void RTMP_AllocateTxDescMemory(struct rt_rtmp_adapter *pAd,
 			       u32 Index,
 			       unsigned long Length,
 			       IN BOOLEAN Cached,
-			       void ** VirtualAddress,
+			       void **VirtualAddress,
 			       dma_addr_t *PhysicalAddress)
 {
 	struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
@@ -96,7 +96,7 @@ void RTMP_AllocateTxDescMemory(struct rt_rtmp_adapter *pAd,
 void RTMP_AllocateMgmtDescMemory(struct rt_rtmp_adapter *pAd,
 				 unsigned long Length,
 				 IN BOOLEAN Cached,
-				 void ** VirtualAddress,
+				 void **VirtualAddress,
 				 dma_addr_t *PhysicalAddress)
 {
 	struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
@@ -111,7 +111,7 @@ void RTMP_AllocateMgmtDescMemory(struct rt_rtmp_adapter *pAd,
 void RTMP_AllocateRxDescMemory(struct rt_rtmp_adapter *pAd,
 			       unsigned long Length,
 			       IN BOOLEAN Cached,
-			       void ** VirtualAddress,
+			       void **VirtualAddress,
 			       dma_addr_t *PhysicalAddress)
 {
 	struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
@@ -139,7 +139,7 @@ void RTMP_AllocateFirstTxBuffer(struct rt_rtmp_adapter *pAd,
 				u32 Index,
 				unsigned long Length,
 				IN BOOLEAN Cached,
-				void ** VirtualAddress,
+				void **VirtualAddress,
 				dma_addr_t *PhysicalAddress)
 {
 	struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
@@ -173,7 +173,7 @@ void RTMP_FreeFirstTxBuffer(struct rt_rtmp_adapter *pAd,
 void RTMP_AllocateSharedMemory(struct rt_rtmp_adapter *pAd,
 			       unsigned long Length,
 			       IN BOOLEAN Cached,
-			       void ** VirtualAddress,
+			       void **VirtualAddress,
 			       dma_addr_t *PhysicalAddress)
 {
 	struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
@@ -197,7 +197,7 @@ void RTMP_AllocateSharedMemory(struct rt_rtmp_adapter *pAd,
 void *RTMP_AllocateRxPacketBuffer(struct rt_rtmp_adapter *pAd,
 					 unsigned long Length,
 					 IN BOOLEAN Cached,
-					 void ** VirtualAddress,
+					 void **VirtualAddress,
 					 OUT dma_addr_t *
 					 PhysicalAddress)
 {

From 3d401c96e08c8e942306387d6ae82be0cc4de12f Mon Sep 17 00:00:00 2001
From: Gorskin Ilya <revent82@gmail.com>
Date: Fri, 19 Mar 2010 23:22:41 +0500
Subject: [PATCH 0921/3638] Staging: rt2860: fix coding style issue in rt_usb.c

This is a patch to the rt_usb.c file that fixes up errors found by the
checkpatch.pl tool

Signed-off-by: Gorskin Ilya <revent82@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/rt_usb.c | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/rt2860/rt_usb.c b/drivers/staging/rt2860/rt_usb.c
index 01a7eb4e8ba..bcfc0f54d2a 100644
--- a/drivers/staging/rt2860/rt_usb.c
+++ b/drivers/staging/rt2860/rt_usb.c
@@ -233,8 +233,7 @@ static void rtusb_dataout_complete(unsigned long data)
 		FREE_HTTX_RING(pAd, BulkOutPipeId, pHTTXContext);
 		/*RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags); */
 
-	} else			/* STATUS_OTHER */
-	{
+	} else {		/* STATUS_OTHER */
 		u8 *pBuf;
 
 		pAd->BulkOutCompleteOther++;
@@ -316,8 +315,7 @@ static void rtusb_null_frame_done_tasklet(unsigned long data)
 		RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[0], irqFlag);
 
 		RTMPDeQueuePacket(pAd, FALSE, NUM_OF_TX_RING, MAX_TX_PROCESS);
-	} else			/* STATUS_OTHER */
-	{
+	} else {		/* STATUS_OTHER */
 		if ((!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS)) &&
 		    (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS)) &&
 		    (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)) &&
@@ -362,8 +360,7 @@ static void rtusb_rts_frame_done_tasklet(unsigned long data)
 	if (Status == USB_ST_NOERROR) {
 		RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[0], irqFlag);
 		RTMPDeQueuePacket(pAd, FALSE, NUM_OF_TX_RING, MAX_TX_PROCESS);
-	} else			/* STATUS_OTHER */
-	{
+	} else {		/* STATUS_OTHER */
 		if ((!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS)) &&
 		    (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS)) &&
 		    (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)) &&
@@ -410,8 +407,7 @@ static void rtusb_pspoll_frame_done_tasklet(unsigned long data)
 
 	if (Status == USB_ST_NOERROR) {
 		RTMPDeQueuePacket(pAd, FALSE, NUM_OF_TX_RING, MAX_TX_PROCESS);
-	} else			/* STATUS_OTHER */
-	{
+	} else {		/* STATUS_OTHER */
 		if ((!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS)) &&
 		    (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS)) &&
 		    (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)) &&
@@ -473,14 +469,12 @@ static void rx_done_tasklet(unsigned long data)
 	if (Status == USB_ST_NOERROR) {
 		pAd->BulkInComplete++;
 		pAd->NextRxBulkInPosition = 0;
-		if (pRxContext->BulkInOffset)	/* As jan's comment, it may bulk-in success but size is zero. */
-		{
+		if (pRxContext->BulkInOffset) { /* As jan's comment, it may bulk-in success but size is zero. */
 			pRxContext->Readable = TRUE;
 			INC_RING_INDEX(pAd->NextRxBulkInIndex, RX_RING_SIZE);
 		}
 		RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
-	} else			/* STATUS_OTHER */
-	{
+	} else {			/* STATUS_OTHER */
 		pAd->BulkInCompleteFail++;
 		/* Still read this packet although it may comtain wrong bytes. */
 		pRxContext->Readable = FALSE;
@@ -584,7 +578,7 @@ static void rtusb_mgmt_dma_done_tasklet(unsigned long data)
 			/* The protectioon of rest bulk should be in BulkOut routine */
 			if (pAd->MgmtRing.TxSwFreeIdx <
 			    MGMT_RING_SIZE
-			    /* pMLMEContext->bWaitingBulkOut == TRUE */ ) {
+			    /* pMLMEContext->bWaitingBulkOut == TRUE */) {
 				RTUSB_SET_BULK_FLAG(pAd, fRTUSB_BULK_OUT_MLME);
 			}
 			RTUSBKickBulkOut(pAd);

From 1995dbabd44a5540a9950512c8b87e888a399c2a Mon Sep 17 00:00:00 2001
From: Gorskin Ilya <revent82@gmail.com>
Date: Sat, 20 Mar 2010 01:18:51 +0500
Subject: [PATCH 0922/3638] Staging: rt2860: fix coding style issue in
 rt3070.c, rt3090.c, rt30xx.c

This is a patch to the rt3070.c, rt3090.c, rt30xx.c files that fixes up
errors found by the checkpatch.pl tool

Signed-off-by: Gorskin Ilya <revent82@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/chips/rt3070.c | 4 ++--
 drivers/staging/rt2860/chips/rt3090.c | 4 ++--
 drivers/staging/rt2860/chips/rt30xx.c | 9 +++------
 3 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/rt2860/chips/rt3070.c b/drivers/staging/rt2860/chips/rt3070.c
index 627bad943a3..3a17fd10ec1 100644
--- a/drivers/staging/rt2860/chips/rt3070.c
+++ b/drivers/staging/rt2860/chips/rt3070.c
@@ -56,7 +56,7 @@ void NICInitRT3070RFRegisters(struct rt_rtmp_adapter *pAd)
 		u32 RfReg = 0;
 		u32 data;
 
-		RT30xxReadRFRegister(pAd, RF_R30, (u8 *)& RfReg);
+		RT30xxReadRFRegister(pAd, RF_R30, (u8 *)&RfReg);
 		RfReg |= 0x80;
 		RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
 		RTMPusecDelay(1000);
@@ -84,7 +84,7 @@ void NICInitRT3070RFRegisters(struct rt_rtmp_adapter *pAd)
 			}
 		} else if (IS_RT3071(pAd)) {
 			/* Driver should set RF R6 bit6 on before init RF registers */
-			RT30xxReadRFRegister(pAd, RF_R06, (u8 *)& RfReg);
+			RT30xxReadRFRegister(pAd, RF_R06, (u8 *)&RfReg);
 			RfReg |= 0x40;
 			RT30xxWriteRFRegister(pAd, RF_R06, (u8)RfReg);
 
diff --git a/drivers/staging/rt2860/chips/rt3090.c b/drivers/staging/rt2860/chips/rt3090.c
index 5927ba4c5a9..c2933c69bc0 100644
--- a/drivers/staging/rt2860/chips/rt3090.c
+++ b/drivers/staging/rt2860/chips/rt3090.c
@@ -53,7 +53,7 @@ void NICInitRT3090RFRegisters(struct rt_rtmp_adapter *pAd)
 		/* Driver should toggle RF R30 bit7 before init RF registers */
 		u32 RfReg = 0, data;
 
-		RT30xxReadRFRegister(pAd, RF_R30, (u8 *)& RfReg);
+		RT30xxReadRFRegister(pAd, RF_R30, (u8 *)&RfReg);
 		RfReg |= 0x80;
 		RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
 		RTMPusecDelay(1000);
@@ -90,7 +90,7 @@ void NICInitRT3090RFRegisters(struct rt_rtmp_adapter *pAd)
 		}
 
 		/* Driver should set RF R6 bit6 on before calibration */
-		RT30xxReadRFRegister(pAd, RF_R06, (u8 *)& RfReg);
+		RT30xxReadRFRegister(pAd, RF_R06, (u8 *)&RfReg);
 		RfReg |= 0x40;
 		RT30xxWriteRFRegister(pAd, RF_R06, (u8)RfReg);
 
diff --git a/drivers/staging/rt2860/chips/rt30xx.c b/drivers/staging/rt2860/chips/rt30xx.c
index 6e684a3ccf0..4367a196aef 100644
--- a/drivers/staging/rt2860/chips/rt30xx.c
+++ b/drivers/staging/rt2860/chips/rt30xx.c
@@ -170,8 +170,7 @@ void RTMPFilterCalibration(struct rt_rtmp_adapter *pAd)
 	pAd->Mlme.CaliBW40RfR24 = 0x2F;	/*Bit[5] must be 1 for BW 40 */
 
 	do {
-		if (loop == 1)	/*BandWidth = 40 MHz */
-		{
+		if (loop == 1) {	/*BandWidth = 40 MHz */
 			/* Write 0x27 to RF_R24 to program filter */
 			RF_R24_Value = 0x27;
 			RT30xxWriteRFRegister(pAd, RF_R24, RF_R24_Value);
@@ -190,8 +189,7 @@ void RTMPFilterCalibration(struct rt_rtmp_adapter *pAd)
 			RT30xxReadRFRegister(pAd, RF_R31, &value);
 			value |= 0x20;
 			RT30xxWriteRFRegister(pAd, RF_R31, value);
-		} else		/*BandWidth = 20 MHz */
-		{
+		} else {	/*BandWidth = 20 MHz */
 			/* Write 0x07 to RF_R24 to program filter */
 			RF_R24_Value = 0x07;
 			RT30xxWriteRFRegister(pAd, RF_R24, RF_R24_Value);
@@ -353,8 +351,7 @@ void RT30xxLoadRFNormalModeSetup(struct rt_rtmp_adapter *pAd)
 	RT30xxReadRFRegister(pAd, RF_R27, &RFValue);
 	/* TX to RX IQ glitch(RF_R27) has been fixed in RT3070(F). */
 	/* Raising RF voltage is no longer needed for RT3070(F) */
-	if (IS_RT3090(pAd))	/* RT309x and RT3071/72 */
-	{
+	if (IS_RT3090(pAd)) {	/* RT309x and RT3071/72 */
 		if ((pAd->MACVersion & 0xffff) < 0x0211)
 			RFValue = (RFValue & (~0x77)) | 0x3;
 		else

From 5d9ffae0828fd6c74d7e2fe79c94a7cef90fe435 Mon Sep 17 00:00:00 2001
From: Gorskin Ilya <revent82@gmail.com>
Date: Sat, 3 Apr 2010 14:29:13 +0600
Subject: [PATCH 0923/3638] Staging: rt2860: fix coding style issue in
 mac_pci.h, mac_usb.h, rtmp_mac.h, rtmp_phy.h

This is a patch to the mac_pci.h, mac_usb.h, rtmp_mac.h, rtmp_phy.h files
that fixes up errors found by the checkpatch.pl tool

Signed-off-by: Gorskin Ilya <revent82@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/chip/mac_pci.h  |  41 ++-
 drivers/staging/rt2860/chip/mac_usb.h  |  55 ++--
 drivers/staging/rt2860/chip/rtmp_mac.h |  52 ++--
 drivers/staging/rt2860/chip/rtmp_phy.h | 338 +++++++++++--------------
 4 files changed, 221 insertions(+), 265 deletions(-)

diff --git a/drivers/staging/rt2860/chip/mac_pci.h b/drivers/staging/rt2860/chip/mac_pci.h
index bc704acaa3d..9f25ef047f5 100644
--- a/drivers/staging/rt2860/chip/mac_pci.h
+++ b/drivers/staging/rt2860/chip/mac_pci.h
@@ -147,13 +147,12 @@ typedef union _TX_ATTENUATION_CTRL_STRUC {
 
 /* ----------------- Frimware Related MACRO ----------------- */
 #define RTMP_WRITE_FIRMWARE(_pAd, _pFwImage, _FwLen)			\
-	do{								\
+	do {								\
 		unsigned long	_i, _firm;					\
 		RTMP_IO_WRITE32(_pAd, PBF_SYS_CTRL, 0x10000);		\
 									\
-		for(_i=0; _i<_FwLen; _i+=4)				\
-		{							\
-			_firm = _pFwImage[_i] +				\
+		for (_i = 0; _i < _FwLen; _i += 4) {				\
+				_firm = _pFwImage[_i] +				\
 			   (_pFwImage[_i+3] << 24) +			\
 			   (_pFwImage[_i+2] << 16) +			\
 			   (_pFwImage[_i+1] << 8);			\
@@ -165,19 +164,19 @@ typedef union _TX_ATTENUATION_CTRL_STRUC {
 		/* initialize BBP R/W access agent */			\
 		RTMP_IO_WRITE32(_pAd, H2M_BBP_AGENT, 0);		\
 		RTMP_IO_WRITE32(_pAd, H2M_MAILBOX_CSR, 0);		\
-	}while(0)
+	} while (0)
 
 /* ----------------- TX Related MACRO ----------------- */
-#define RTMP_START_DEQUEUE(pAd, QueIdx, irqFlags)		do{}while(0)
-#define RTMP_STOP_DEQUEUE(pAd, QueIdx, irqFlags)		do{}while(0)
+#define RTMP_START_DEQUEUE(pAd, QueIdx, irqFlags)		do {} while (0)
+#define RTMP_STOP_DEQUEUE(pAd, QueIdx, irqFlags)		do {} while (0)
 
 #define RTMP_HAS_ENOUGH_FREE_DESC(pAd, pTxBlk, freeNum, pPacket) \
 		((freeNum) >= (unsigned long)(pTxBlk->TotalFragNum + RTMP_GET_PACKET_FRAGMENTS(pPacket) + 3))	/* rough estimate we will use 3 more descriptor. */
-#define RTMP_RELEASE_DESC_RESOURCE(pAd, QueIdx)	\
-		do{}while(0)
+#define RTMP_RELEASE_DESC_RESOURCE(pAd, QueIdx)			do {} while (0)
 
 #define NEED_QUEUE_BACK_FOR_AGG(pAd, QueIdx, freeNum, _TxFrameType) \
-		(((freeNum != (TX_RING_SIZE-1)) && (pAd->TxSwQueue[QueIdx].Number == 0)) || (freeNum<3))
+		(((freeNum != (TX_RING_SIZE-1)) && \
+		(pAd->TxSwQueue[QueIdx].Number == 0)) || (freeNum < 3))
 
 #define HAL_KickOutMgmtTx(_pAd, _QueIdx, _pPacket, _pSrcBufVA, _SrcBufLen)	\
 			RtmpPCIMgmtKickOut(_pAd, _QueIdx, _pPacket, _pSrcBufVA, _SrcBufLen)
@@ -185,19 +184,19 @@ typedef union _TX_ATTENUATION_CTRL_STRUC {
 #define HAL_WriteSubTxResource(pAd, pTxBlk, bIsLast, pFreeNumber)	\
 				/* RtmpPCI_WriteSubTxResource(pAd, pTxBlk, bIsLast, pFreeNumber) */
 
-#define HAL_WriteTxResource(pAd, pTxBlk,bIsLast, pFreeNumber)	\
+#define HAL_WriteTxResource(pAd, pTxBlk, bIsLast, pFreeNumber)	\
 			RtmpPCI_WriteSingleTxResource(pAd, pTxBlk, bIsLast, pFreeNumber)
 
 #define HAL_WriteFragTxResource(pAd, pTxBlk, fragNum, pFreeNumber) \
 			RtmpPCI_WriteFragTxResource(pAd, pTxBlk, fragNum, pFreeNumber)
 
-#define HAL_WriteMultiTxResource(pAd, pTxBlk,frameNum, pFreeNumber)	\
+#define HAL_WriteMultiTxResource(pAd, pTxBlk, frameNum, pFreeNumber) \
 			RtmpPCI_WriteMultiTxResource(pAd, pTxBlk, frameNum, pFreeNumber)
 
 #define HAL_FinalWriteTxResource(_pAd, _pTxBlk, _TotalMPDUSize, _FirstTxIdx)	\
 			RtmpPCI_FinalWriteTxResource(_pAd, _pTxBlk, _TotalMPDUSize, _FirstTxIdx)
 
-#define HAL_LastTxIdx(_pAd, _QueIdx,_LastTxIdx) \
+#define HAL_LastTxIdx(_pAd, _QueIdx, _LastTxIdx) \
 				/*RtmpPCIDataLastTxIdx(_pAd, _QueIdx,_LastTxIdx) */
 
 #define HAL_KickOutTx(_pAd, _pTxBlk, _QueIdx)	\
@@ -259,24 +258,24 @@ typedef union _TX_ATTENUATION_CTRL_STRUC {
 
 /* Insert the BA bitmap to ASIC for the Wcid entry */
 #define RTMP_ADD_BA_SESSION_TO_ASIC(_pAd, _Aid, _TID)	\
-		do{					\
+		do {					\
 			u32 _Value = 0, _Offset;					\
 			_Offset = MAC_WCID_BASE + (_Aid) * HW_WCID_ENTRY_SIZE + 4;	\
 			RTMP_IO_READ32((_pAd), _Offset, &_Value);\
 			_Value |= (0x10000<<(_TID));	\
 			RTMP_IO_WRITE32((_pAd), _Offset, _Value);\
-		}while(0)
+		} while (0)
 
 /* Remove the BA bitmap from ASIC for the Wcid entry */
 /*              bitmap field starts at 0x10000 in ASIC WCID table */
 #define RTMP_DEL_BA_SESSION_FROM_ASIC(_pAd, _Wcid, _TID)				\
-		do{								\
+		do {								\
 			u32 _Value = 0, _Offset;				\
 			_Offset = MAC_WCID_BASE + (_Wcid) * HW_WCID_ENTRY_SIZE + 4;	\
 			RTMP_IO_READ32((_pAd), _Offset, &_Value);			\
 			_Value &= (~(0x10000 << (_TID)));				\
 			RTMP_IO_WRITE32((_pAd), _Offset, _Value);			\
-		}while(0)
+		} while (0)
 
 /* ----------------- Interface Related MACRO ----------------- */
 
@@ -285,16 +284,16 @@ typedef union _TX_ATTENUATION_CTRL_STRUC {
 /* Since it use ADAPTER structure, it have to be put after structure definition. */
 /* */
 #define RTMP_ASIC_INTERRUPT_DISABLE(_pAd)		\
-	do{			\
+	do {			\
 		RTMP_IO_WRITE32((_pAd), INT_MASK_CSR, 0x0);     /* 0: disable */	\
 		RTMP_CLEAR_FLAG((_pAd), fRTMP_ADAPTER_INTERRUPT_ACTIVE);		\
-	}while(0)
+	} while (0)
 
 #define RTMP_ASIC_INTERRUPT_ENABLE(_pAd)\
-	do{				\
+	do {				\
 		RTMP_IO_WRITE32((_pAd), INT_MASK_CSR, (_pAd)->int_enable_reg /*DELAYINTMASK*/);     /* 1:enable */	\
 		RTMP_SET_FLAG((_pAd), fRTMP_ADAPTER_INTERRUPT_ACTIVE);	\
-	}while(0)
+	} while (0)
 
 #define RTMP_IRQ_INIT(pAd)	\
 	{	pAd->int_enable_reg = ((DELAYINTMASK) |		\
diff --git a/drivers/staging/rt2860/chip/mac_usb.h b/drivers/staging/rt2860/chip/mac_usb.h
index 0b67c0b1de0..ed0c0b43b05 100644
--- a/drivers/staging/rt2860/chip/mac_usb.h
+++ b/drivers/staging/rt2860/chip/mac_usb.h
@@ -25,7 +25,7 @@
  *************************************************************************
 
     Module Name:
-        mac_usb.h
+		mac_usb.h
 
     Abstract:
 
@@ -46,7 +46,7 @@
 #define USB_CYC_CFG				0x02a4
 
 #define BEACON_RING_SIZE		2
-#define MGMTPIPEIDX				0	/* EP6 is highest priority */
+#define MGMTPIPEIDX			0	/* EP6 is highest priority */
 
 #define RTMP_PKT_TAIL_PADDING	11	/* 3(max 4 byte padding) + 4 (last packet padding) + 4 (MaxBulkOutsize align padding) */
 
@@ -220,53 +220,51 @@ struct rt_rx_context {
 
 ******************************************************************************/
 #define RTMP_START_DEQUEUE(pAd, QueIdx, irqFlags)				\
-			do{													\
+			do {													\
 				RTMP_IRQ_LOCK(&pAd->DeQueueLock[QueIdx], irqFlags);		\
-				if (pAd->DeQueueRunning[QueIdx])						\
-				{														\
-					RTMP_IRQ_UNLOCK(&pAd->DeQueueLock[QueIdx], irqFlags);\
+				if (pAd->DeQueueRunning[QueIdx]) {						\
+					RTMP_IRQ_UNLOCK(&pAd->DeQueueLock[QueIdx], irqFlags); \
 					DBGPRINT(RT_DEBUG_OFF, ("DeQueueRunning[%d]= TRUE!\n", QueIdx));		\
 					continue;											\
-				}														\
-				else													\
-				{														\
+				} else {												\
 					pAd->DeQueueRunning[QueIdx] = TRUE;					\
 					RTMP_IRQ_UNLOCK(&pAd->DeQueueLock[QueIdx], irqFlags);\
 				}														\
-			}while(0)
+			} while (0)
 
 #define RTMP_STOP_DEQUEUE(pAd, QueIdx, irqFlags)						\
-			do{															\
+			do {													\
 				RTMP_IRQ_LOCK(&pAd->DeQueueLock[QueIdx], irqFlags);		\
 				pAd->DeQueueRunning[QueIdx] = FALSE;					\
 				RTMP_IRQ_UNLOCK(&pAd->DeQueueLock[QueIdx], irqFlags);	\
-			}while(0)
+			} while (0)
 
 #define	RTMP_HAS_ENOUGH_FREE_DESC(pAd, pTxBlk, freeNum, pPacket) \
 		(RTUSBFreeDescriptorRequest(pAd, pTxBlk->QueIdx, (pTxBlk->TotalFrameLen + GET_OS_PKT_LEN(pPacket))) == NDIS_STATUS_SUCCESS)
 
 #define RTMP_RELEASE_DESC_RESOURCE(pAd, QueIdx)			\
-		do{}while(0)
+		do {} while (0)
 
 #define NEED_QUEUE_BACK_FOR_AGG(_pAd, _QueIdx, _freeNum, _TxFrameType)		\
-		((_TxFrameType == TX_RALINK_FRAME) && (RTUSBNeedQueueBackForAgg(_pAd, _QueIdx)))
+		((_TxFrameType == TX_RALINK_FRAME) && \
+		(RTUSBNeedQueueBackForAgg(_pAd, _QueIdx)))
 
 #define HAL_WriteSubTxResource(pAd, pTxBlk, bIsLast, pFreeNumber)	\
-			RtmpUSB_WriteSubTxResource(pAd, pTxBlk, bIsLast, pFreeNumber)
+		RtmpUSB_WriteSubTxResource(pAd, pTxBlk, bIsLast, pFreeNumber)
 
-#define HAL_WriteTxResource(pAd, pTxBlk,bIsLast, pFreeNumber)	\
-			RtmpUSB_WriteSingleTxResource(pAd, pTxBlk,bIsLast, pFreeNumber)
+#define HAL_WriteTxResource(pAd, pTxBlk, bIsLast, pFreeNumber)	\
+		RtmpUSB_WriteSingleTxResource(pAd, pTxBlk, bIsLast, pFreeNumber)
 
 #define HAL_WriteFragTxResource(pAd, pTxBlk, fragNum, pFreeNumber) \
-			RtmpUSB_WriteFragTxResource(pAd, pTxBlk, fragNum, pFreeNumber)
+		RtmpUSB_WriteFragTxResource(pAd, pTxBlk, fragNum, pFreeNumber)
 
-#define HAL_WriteMultiTxResource(pAd, pTxBlk,frameNum, pFreeNumber)	\
-			RtmpUSB_WriteMultiTxResource(pAd, pTxBlk,frameNum, pFreeNumber)
+#define HAL_WriteMultiTxResource(pAd, pTxBlk, frameNum, pFreeNumber)	\
+		RtmpUSB_WriteMultiTxResource(pAd, pTxBlk, frameNum, pFreeNumber)
 
 #define HAL_FinalWriteTxResource(pAd, pTxBlk, totalMPDUSize, TxIdx)	\
-			RtmpUSB_FinalWriteTxResource(pAd, pTxBlk, totalMPDUSize, TxIdx)
+		RtmpUSB_FinalWriteTxResource(pAd, pTxBlk, totalMPDUSize, TxIdx)
 
-#define HAL_LastTxIdx(pAd, QueIdx,TxIdx) \
+#define HAL_LastTxIdx(pAd, QueIdx, TxIdx) \
 				/*RtmpUSBDataLastTxIdx(pAd, QueIdx,TxIdx) */
 
 #define HAL_KickOutTx(pAd, pTxBlk, QueIdx)	\
@@ -286,8 +284,8 @@ struct rt_rx_context {
 /*
   *	Device Hardware Interface Related MACRO
   */
-#define RTMP_IRQ_INIT(pAd)				do{}while(0)
-#define RTMP_IRQ_ENABLE(pAd)			do{}while(0)
+#define RTMP_IRQ_INIT(pAd)				do {} while (0)
+#define RTMP_IRQ_ENABLE(pAd)			do {} while (0)
 
 /*
   *	MLME Related MACRO
@@ -305,8 +303,8 @@ struct rt_rx_context {
 		RTUSBMlmeUp(pAd); }
 
 #define RTMP_MLME_RESET_STATE_MACHINE(pAd)	\
-		        MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_RESET_CONF, 0, NULL);	\
-		        RTUSBMlmeUp(pAd);
+	{	MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_RESET_CONF, 0, NULL);	\
+		RTUSBMlmeUp(pAd); }
 
 #define RTMP_HANDLE_COUNTER_MEASURE(_pAd, _pEntry)		\
 	{	RTUSBEnqueueInternalCmd(_pAd, CMDTHREAD_802_11_COUNTER_MEASURE, _pEntry, sizeof(struct rt_mac_table_entry));	\
@@ -330,12 +328,11 @@ struct rt_rx_context {
 	{\
 		if ((_pAd)->StaCfg.WindowsPowerMode == Ndis802_11PowerModeFast_PSP) \
 			MlmeSetPsmBit(_pAd, _val);\
-		else \
-		{ \
+		else { \
 			u16 _psm_val; \
 			_psm_val = _val; \
 			RTUSBEnqueueInternalCmd(_pAd, CMDTHREAD_SET_PSM_BIT, &(_psm_val), sizeof(u16)); \
-		}\
+		} \
 	}
 
 #define RTMP_MLME_RADIO_ON(pAd) \
diff --git a/drivers/staging/rt2860/chip/rtmp_mac.h b/drivers/staging/rt2860/chip/rtmp_mac.h
index f6a72581d3b..e8f7172ce42 100644
--- a/drivers/staging/rt2860/chip/rtmp_mac.h
+++ b/drivers/staging/rt2860/chip/rtmp_mac.h
@@ -154,7 +154,7 @@ typedef union _INT_SOURCE_CSR_STRUC {
 		u32 GPTimer:1;
 		u32 RxCoherent:1;	/*bit16 */
 		u32 TxCoherent:1;
-		u32 : 14;
+		u32: 14;
 	} field;
 	u32 word;
 } INT_SOURCE_CSR_STRUC, *PINT_SOURCE_CSR_STRUC;
@@ -175,7 +175,7 @@ typedef union _INT_MASK_CSR_STRUC {
 		u32 HccaDmaDone:1;
 		u32 MgmtDmaDone:1;
 		u32 MCUCommandINT:1;
-		u32 : 20;
+		u32: 20;
 		u32 RxCoherent:1;
 		u32 TxCoherent:1;
 	} field;
@@ -209,7 +209,7 @@ typedef union _WPDMA_RST_IDX_STRUC {
 		u32 RST_DTX_IDX5:1;
 		u32 rsv:10;
 		u32 RST_DRX_IDX0:1;
-		u32 : 15;
+		u32: 15;
 	} field;
 	u32 word;
 } WPDMA_RST_IDX_STRUC, *PWPDMA_RST_IDX_STRUC;
@@ -448,7 +448,7 @@ typedef union _BBP_CSR_CFG_STRUC {
 		u32 Busy:1;	/* 1: ASIC is busy execute BBP programming. */
 		u32 BBP_PAR_DUR:1;	/* 0: 4 MAC clock cycles  1: 8 MAC clock cycles */
 		u32 BBP_RW_MODE:1;	/* 0: use serial mode  1:parallel */
-		u32 : 12;
+		u32: 12;
 	} field;
 	u32 word;
 } BBP_CSR_CFG_STRUC, *PBBP_CSR_CFG_STRUC;
@@ -494,7 +494,7 @@ typedef union _LED_CFG_STRUC {
 		u32 GLedMode:2;	/* green Led Mode */
 		u32 YLedMode:2;	/* yellow Led Mode */
 		u32 LedPolar:1;	/* Led Polarity.  0: active low1: active high */
-		u32 : 1;
+		u32: 1;
 	} field;
 	u32 word;
 } LED_CFG_STRUC, *PLED_CFG_STRUC;
@@ -533,7 +533,7 @@ typedef union _BCN_TIME_CFG_STRUC {
 		u32 TsfSyncMode:2;	/* Enable TSF sync, 00: disable, 01: infra mode, 10: ad-hoc mode */
 		u32 bTBTTEnable:1;
 		u32 bBeaconGen:1;	/* Enable beacon generator */
-		u32 : 3;
+		u32: 3;
 		u32 TxTimestampCompensate:8;
 	} field;
 	u32 word;
@@ -560,7 +560,7 @@ typedef union _AUTO_WAKEUP_STRUC {
 		u32 AutoLeadTime:8;
 		u32 NumofSleepingTbtt:7;	/* ForceWake has high privilege than PutToSleep when both set */
 		u32 EnableAutoWakeup:1;	/* 0:sleep, 1:awake */
-		u32 : 16;
+		u32: 16;
 	} field;
 	u32 word;
 } AUTO_WAKEUP_STRUC, *PAUTO_WAKEUP_STRUC;
@@ -578,7 +578,7 @@ typedef union _EDCA_AC_CFG_STRUC {
 		u32 Aifsn:4;	/* # of slot time */
 		u32 Cwmin:4;	/* */
 		u32 Cwmax:4;	/*unit power of 2 */
-		u32 : 12;	/* */
+		u32: 12;	/* */
 	} field;
 	u32 word;
 } EDCA_AC_CFG_STRUC, *PEDCA_AC_CFG_STRUC;
@@ -751,7 +751,7 @@ typedef union _AUTO_RSP_CFG_STRUC {
 		u32 rsv:1;	/* Power bit value in conrtrol frame */
 		u32 DualCTSEn:1;	/* Power bit value in conrtrol frame */
 		u32 AckCtsPsmBit:1;	/* Power bit value in conrtrol frame */
-		u32 : 24;
+		u32: 24;
 	} field;
 	u32 word;
 } AUTO_RSP_CFG_STRUC, *PAUTO_RSP_CFG_STRUC;
@@ -981,21 +981,21 @@ typedef union _MPDU_DEN_CNT_STRUC {
 typedef union _SHAREDKEY_MODE_STRUC {
 	struct {
 		u32 Bss0Key0CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss0Key1CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss0Key2CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss0Key3CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss1Key0CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss1Key1CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss1Key2CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss1Key3CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 	} field;
 	u32 word;
 } SHAREDKEY_MODE_STRUC, *PSHAREDKEY_MODE_STRUC;
@@ -1103,7 +1103,7 @@ typedef union _RX_FILTR_CFG_STRUC {
 		u32 DropBAR:1;	/* */
 
 		u32 DropRsvCntlType:1;
-		u32 : 15;
+		u32: 15;
 	} field;
 	u32 word;
 } RX_FILTR_CFG_STRUC, *PRX_FILTR_CFG_STRUC;
@@ -1128,21 +1128,21 @@ typedef union _PHY_CSR4_STRUC {
 typedef union _SEC_CSR5_STRUC {
 	struct {
 		u32 Bss2Key0CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss2Key1CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss2Key2CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss2Key3CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss3Key0CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss3Key1CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss3Key2CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 		u32 Bss3Key3CipherAlg:3;
-		u32 : 1;
+		u32: 1;
 	} field;
 	u32 word;
 } SEC_CSR5_STRUC, *PSEC_CSR5_STRUC;
diff --git a/drivers/staging/rt2860/chip/rtmp_phy.h b/drivers/staging/rt2860/chip/rtmp_phy.h
index 8b8b0f47f03..9f924ea6ca3 100644
--- a/drivers/staging/rt2860/chip/rtmp_phy.h
+++ b/drivers/staging/rt2860/chip/rtmp_phy.h
@@ -177,8 +177,7 @@
 #ifdef RTMP_MAC_PCI
 #define RTMP_RF_IO_WRITE32(_A, _V)                  \
 {											\
-	if ((_A)->bPCIclkOff == FALSE)	                \
-	{												\
+	if ((_A)->bPCIclkOff == FALSE) {				\
 		PHY_CSR4_STRUC  _value;                          \
 		unsigned long           _busyCnt = 0;                    \
 											\
@@ -187,9 +186,8 @@
 			if (_value.field.Busy == IDLE)               \
 				break;                                  \
 			_busyCnt++;                                  \
-		}while (_busyCnt < MAX_BUSY_COUNT);			\
-		if(_busyCnt < MAX_BUSY_COUNT)                   \
-		{                                               \
+		} while (_busyCnt < MAX_BUSY_COUNT);			\
+		if (_busyCnt < MAX_BUSY_COUNT) {			\
 			RTMP_IO_WRITE32((_A), RF_CSR_CFG0, (_V));          \
 		}                                               \
 	}								\
@@ -218,52 +216,46 @@
 	_bViaMCU: if we need access the bbp via the MCU.
 */
 #define RTMP_BBP_IO_READ8(_pAd, _bbpID, _pV, _bViaMCU)			\
-	do{															\
-		BBP_CSR_CFG_STRUC  BbpCsr;								\
-		int   _busyCnt, _secCnt, _regID;						\
-																\
-		_regID = ((_bViaMCU) == TRUE ? H2M_BBP_AGENT : BBP_CSR_CFG);	\
-		for (_busyCnt=0; _busyCnt<MAX_BUSY_COUNT; _busyCnt++)      \
-		{													\
-			RTMP_IO_READ32(_pAd, _regID, &BbpCsr.word);		\
+	do {								\
+		BBP_CSR_CFG_STRUC  BbpCsr;				\
+		int   _busyCnt, _secCnt, _regID;			\
+									\
+		_regID = ((_bViaMCU) == TRUE ? H2M_BBP_AGENT : BBP_CSR_CFG); \
+		for (_busyCnt = 0; _busyCnt < MAX_BUSY_COUNT; _busyCnt++) { \
+			RTMP_IO_READ32(_pAd, _regID, &BbpCsr.word);	\
 			if (BbpCsr.field.Busy == BUSY)                  \
-				continue;                                               \
+				continue;                               \
 			BbpCsr.word = 0;                                \
 			BbpCsr.field.fRead = 1;                         \
-			BbpCsr.field.BBP_RW_MODE = 1;                         \
+			BbpCsr.field.BBP_RW_MODE = 1;                   \
 			BbpCsr.field.Busy = 1;                          \
-			BbpCsr.field.RegNum = _bbpID;                       \
+			BbpCsr.field.RegNum = _bbpID;                   \
 			RTMP_IO_WRITE32(_pAd, _regID, BbpCsr.word);     \
-			if ((_bViaMCU) == TRUE)							\
-			{													\
-				AsicSendCommandToMcu(_pAd, 0x80, 0xff, 0x0, 0x0); \
-				RTMPusecDelay(1000);	\
-			}							\
-			for (_secCnt=0; _secCnt<MAX_BUSY_COUNT; _secCnt++)       \
-			{                                               \
+			if ((_bViaMCU) == TRUE) {			\
+			    AsicSendCommandToMcu(_pAd, 0x80, 0xff, 0x0, 0x0); \
+			    RTMPusecDelay(1000);	\
+			}						\
+			for (_secCnt = 0; _secCnt < MAX_BUSY_COUNT; _secCnt++) { \
 				RTMP_IO_READ32(_pAd, _regID, &BbpCsr.word); \
-				if (BbpCsr.field.Busy == IDLE)              \
-					break;                                  \
-			}                                               \
-			if ((BbpCsr.field.Busy == IDLE) &&              \
-				(BbpCsr.field.RegNum == _bbpID))                \
-			{                                               \
-				*(_pV) = (u8)BbpCsr.field.Value;         \
-				break;                                      \
-			}                                               \
-		}                                                   \
-		if (BbpCsr.field.Busy == BUSY)                      \
-		{                                                   \
-			DBGPRINT_ERR(("BBP(viaMCU=%d) read R%d fail\n", (_bViaMCU), _bbpID));      \
+				if (BbpCsr.field.Busy == IDLE)		\
+					break;				\
+			}						\
+			if ((BbpCsr.field.Busy == IDLE) &&		\
+				(BbpCsr.field.RegNum == _bbpID)) {	\
+				*(_pV) = (u8)BbpCsr.field.Value;	\
+				break;					\
+			}						\
+		}							\
+		if (BbpCsr.field.Busy == BUSY) {			\
+			DBGPRINT_ERR(("BBP(viaMCU=%d) read R%d fail\n", (_bViaMCU), _bbpID));	\
 			*(_pV) = (_pAd)->BbpWriteLatch[_bbpID];               \
-			if ((_bViaMCU) == TRUE)				\
-			{									\
+			if ((_bViaMCU) == TRUE) {			\
 				RTMP_IO_READ32(_pAd, _regID, &BbpCsr.word);				\
 				BbpCsr.field.Busy = 0;                          \
 				RTMP_IO_WRITE32(_pAd, _regID, BbpCsr.word);				\
 			}				\
 		}													\
-	}while(0)
+	} while (0)
 
 /*
 	This marco used for the BBP read operation which didn't need via MCU.
@@ -283,42 +275,35 @@
 	int					i, k;			\
 	BOOLEAN					brc;			\
 	BbpCsr.field.Busy = IDLE;			\
-	if ((IS_RT3090((_A)) || IS_RT3572((_A)) || IS_RT3390((_A))) && ((_A)->StaCfg.PSControl.field.rt30xxPowerMode == 3)	\
+	if ((IS_RT3090((_A)) || IS_RT3572((_A)) || IS_RT3390((_A)))  \
+		&& ((_A)->StaCfg.PSControl.field.rt30xxPowerMode == 3)	\
 		&& ((_A)->StaCfg.PSControl.field.EnableNewPS == TRUE)	\
 		&& ((_A)->bPCIclkOff == FALSE)	\
-		&& ((_A)->brt30xxBanMcuCmd == FALSE))	\
-	{																	\
-		for (i=0; i<MAX_BUSY_COUNT; i++)									\
-		{																	\
-			RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word);				\
-			if (BbpCsr.field.Busy == BUSY)									\
-			{																\
-				continue;													\
-			}																\
-			BbpCsr.word = 0;												\
-			BbpCsr.field.fRead = 1;											\
-			BbpCsr.field.BBP_RW_MODE = 1;									\
-			BbpCsr.field.Busy = 1;											\
-			BbpCsr.field.RegNum = _I;										\
-			RTMP_IO_WRITE32(_A, H2M_BBP_AGENT, BbpCsr.word);				\
-			brc = AsicSendCommandToMcu(_A, 0x80, 0xff, 0x0, 0x0);					\
-			if (brc == TRUE)																\
-			{																\
-				for (k=0; k<MAX_BUSY_COUNT; k++)								\
-				{																\
-					RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word);			\
-					if (BbpCsr.field.Busy == IDLE)								\
-						break;													\
-				}																\
-				if ((BbpCsr.field.Busy == IDLE) &&								\
-					(BbpCsr.field.RegNum == _I))								\
-				{																\
-					*(_pV) = (u8)BbpCsr.field.Value;							\
-					break;														\
-				}																\
-			}																\
-			else																\
-			{																\
+		&& ((_A)->brt30xxBanMcuCmd == FALSE)) {			\
+		for (i = 0; i < MAX_BUSY_COUNT; i++) {			\
+			RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word); \
+			if (BbpCsr.field.Busy == BUSY) {		\
+				continue;				\
+			}						\
+			BbpCsr.word = 0;				\
+			BbpCsr.field.fRead = 1;				\
+			BbpCsr.field.BBP_RW_MODE = 1;			\
+			BbpCsr.field.Busy = 1;				\
+			BbpCsr.field.RegNum = _I;			\
+			RTMP_IO_WRITE32(_A, H2M_BBP_AGENT, BbpCsr.word); \
+			brc = AsicSendCommandToMcu(_A, 0x80, 0xff, 0x0, 0x0); \
+			if (brc == TRUE) {				\
+				for (k = 0; k < MAX_BUSY_COUNT; k++) {	\
+					RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word); \
+					if (BbpCsr.field.Busy == IDLE)	\
+						break;			\
+				}					\
+				if ((BbpCsr.field.Busy == IDLE) &&	\
+					(BbpCsr.field.RegNum == _I)) {	\
+					*(_pV) = (u8)BbpCsr.field.Value; \
+					break;				\
+				}					\
+			} else {					\
 				BbpCsr.field.Busy = 0;											\
 				RTMP_IO_WRITE32(_A, H2M_BBP_AGENT, BbpCsr.word);				\
 			}																\
@@ -326,46 +311,38 @@
 	}	\
 	else if (!((IS_RT3090((_A)) || IS_RT3572((_A)) || IS_RT3390((_A))) && ((_A)->StaCfg.PSControl.field.rt30xxPowerMode == 3)	\
 		&& ((_A)->StaCfg.PSControl.field.EnableNewPS == TRUE))	\
-		&& ((_A)->bPCIclkOff == FALSE))	\
-	{																	\
-		for (i=0; i<MAX_BUSY_COUNT; i++)									\
-		{																	\
-			RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word);				\
-			if (BbpCsr.field.Busy == BUSY)									\
-			{																\
-				continue;													\
-			}																\
-			BbpCsr.word = 0;												\
-			BbpCsr.field.fRead = 1;											\
-			BbpCsr.field.BBP_RW_MODE = 1;									\
-			BbpCsr.field.Busy = 1;											\
-			BbpCsr.field.RegNum = _I;										\
-			RTMP_IO_WRITE32(_A, H2M_BBP_AGENT, BbpCsr.word);				\
-			AsicSendCommandToMcu(_A, 0x80, 0xff, 0x0, 0x0);					\
-			for (k=0; k<MAX_BUSY_COUNT; k++)								\
-			{																\
-				RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word);			\
-				if (BbpCsr.field.Busy == IDLE)								\
-					break;													\
-			}																\
-			if ((BbpCsr.field.Busy == IDLE) &&								\
-				(BbpCsr.field.RegNum == _I))								\
-			{																\
-				*(_pV) = (u8)BbpCsr.field.Value;							\
-				break;														\
-			}																\
-		}																	\
-	}																	\
-	else										\
-	{																	\
+		&& ((_A)->bPCIclkOff == FALSE)) {			\
+		for (i = 0; i < MAX_BUSY_COUNT; i++) {			\
+			RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word); \
+			if (BbpCsr.field.Busy == BUSY) {		\
+				continue;				\
+			}						\
+			BbpCsr.word = 0;				\
+			BbpCsr.field.fRead = 1;				\
+			BbpCsr.field.BBP_RW_MODE = 1;			\
+			BbpCsr.field.Busy = 1;				\
+			BbpCsr.field.RegNum = _I;			\
+			RTMP_IO_WRITE32(_A, H2M_BBP_AGENT, BbpCsr.word); \
+			AsicSendCommandToMcu(_A, 0x80, 0xff, 0x0, 0x0);	\
+			for (k = 0; k < MAX_BUSY_COUNT; k++) {		\
+				RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word); \
+				if (BbpCsr.field.Busy == IDLE)		\
+					break;				\
+			}						\
+			if ((BbpCsr.field.Busy == IDLE) &&		\
+				(BbpCsr.field.RegNum == _I)) {		\
+				*(_pV) = (u8)BbpCsr.field.Value;	\
+				break;					\
+			}						\
+		}							\
+	} else {							\
 		DBGPRINT_ERR((" , brt30xxBanMcuCmd = %d, Read BBP %d \n", (_A)->brt30xxBanMcuCmd, (_I)));	\
-		*(_pV) = (_A)->BbpWriteLatch[_I];								\
-	}																	\
-	if ((BbpCsr.field.Busy == BUSY) || ((_A)->bPCIclkOff == TRUE))										\
-	{																	\
-		DBGPRINT_ERR(("BBP read R%d=0x%x fail\n", _I, BbpCsr.word));	\
-		*(_pV) = (_A)->BbpWriteLatch[_I];								\
-	}																	\
+		*(_pV) = (_A)->BbpWriteLatch[_I];			\
+	}								\
+	if ((BbpCsr.field.Busy == BUSY) || ((_A)->bPCIclkOff == TRUE)) { \
+		DBGPRINT_ERR(("BBP read R%d=0x%x fail\n", _I, BbpCsr.word)); \
+		*(_pV) = (_A)->BbpWriteLatch[_I];			\
+	}								\
 }
 
 /*
@@ -376,43 +353,39 @@
 	_bViaMCU: if we need access the bbp via the MCU.
 */
 #define RTMP_BBP_IO_WRITE8(_pAd, _bbpID, _pV, _bViaMCU)			\
-	do{															\
+	do {								\
 		BBP_CSR_CFG_STRUC  BbpCsr;                             \
-		int             _busyCnt, _regID;							\
-																\
+		int             _busyCnt, _regID;			\
+									\
 		_regID = ((_bViaMCU) == TRUE ? H2M_BBP_AGENT : BBP_CSR_CFG);	\
-		for (_busyCnt=0; _busyCnt<MAX_BUSY_COUNT; _busyCnt++)  \
-		{                                                   \
+		for (_busyCnt = 0; _busyCnt < MAX_BUSY_COUNT; _busyCnt++) { \
 			RTMP_IO_READ32((_pAd), BBP_CSR_CFG, &BbpCsr.word);     \
-			if (BbpCsr.field.Busy == BUSY)                  \
-				continue;                                   \
-			BbpCsr.word = 0;                                \
-			BbpCsr.field.fRead = 0;                         \
-			BbpCsr.field.BBP_RW_MODE = 1;                         \
-			BbpCsr.field.Busy = 1;                          \
-			BbpCsr.field.Value = _pV;                        \
-			BbpCsr.field.RegNum = _bbpID;                       \
-			RTMP_IO_WRITE32((_pAd), BBP_CSR_CFG, BbpCsr.word);     \
-			if ((_bViaMCU) == TRUE)									\
-			{														\
-				AsicSendCommandToMcu(_pAd, 0x80, 0xff, 0x0, 0x0);		\
-				if ((_pAd)->OpMode == OPMODE_AP)						\
-					RTMPusecDelay(1000);							\
-			}														\
-			(_pAd)->BbpWriteLatch[_bbpID] = _pV;					\
-			break;													\
-		}														\
-		if (_busyCnt == MAX_BUSY_COUNT)								\
-		{														\
-			DBGPRINT_ERR(("BBP write R%d fail\n", _bbpID));				\
-			if((_bViaMCU) == TRUE)									\
-			{														\
+			if (BbpCsr.field.Busy == BUSY)			\
+				continue;				\
+			BbpCsr.word = 0;				\
+			BbpCsr.field.fRead = 0;				\
+			BbpCsr.field.BBP_RW_MODE = 1;			\
+			BbpCsr.field.Busy = 1;				\
+			BbpCsr.field.Value = _pV;			\
+			BbpCsr.field.RegNum = _bbpID;			\
+			RTMP_IO_WRITE32((_pAd), BBP_CSR_CFG, BbpCsr.word); \
+			if ((_bViaMCU) == TRUE) {			\
+				AsicSendCommandToMcu(_pAd, 0x80, 0xff, 0x0, 0x0); \
+				if ((_pAd)->OpMode == OPMODE_AP)	\
+					RTMPusecDelay(1000);		\
+			}						\
+			(_pAd)->BbpWriteLatch[_bbpID] = _pV;		\
+			break;						\
+		}							\
+		if (_busyCnt == MAX_BUSY_COUNT) {			\
+			DBGPRINT_ERR(("BBP write R%d fail\n", _bbpID));	\
+			if ((_bViaMCU) == TRUE) {			\
 				RTMP_IO_READ32(_pAd, H2M_BBP_AGENT, &BbpCsr.word);	\
-				BbpCsr.field.Busy = 0;									\
+				BbpCsr.field.Busy = 0;			\
 				RTMP_IO_WRITE32(_pAd, H2M_BBP_AGENT, BbpCsr.word);	\
-			}														\
-		}														\
-	}while(0)
+			}						\
+		}							\
+	} while (0)
 
 /*
 	This marco used for the BBP write operation which didn't need via MCU.
@@ -426,25 +399,22 @@
 	will use this function too and didn't access the bbp register via the MCU.
 */
 /* Write BBP register by register's ID & value */
-#define RTMP_BBP_IO_WRITE8_BY_REG_ID(_A, _I, _V)						\
-{																		\
-	BBP_CSR_CFG_STRUC	BbpCsr;											\
-	int					BusyCnt = 0;										\
+#define RTMP_BBP_IO_WRITE8_BY_REG_ID(_A, _I, _V)			\
+{									\
+	BBP_CSR_CFG_STRUC	BbpCsr;					\
+	int					BusyCnt = 0;		\
 	BOOLEAN					brc;			\
-	if (_I < MAX_NUM_OF_BBP_LATCH)										\
-	{																	\
-		if ((IS_RT3090((_A)) || IS_RT3572((_A)) || IS_RT3390((_A))) && ((_A)->StaCfg.PSControl.field.rt30xxPowerMode == 3)	\
+	if (_I < MAX_NUM_OF_BBP_LATCH) {				\
+		if ((IS_RT3090((_A)) || IS_RT3572((_A)) || IS_RT3390((_A))) \
+			&& ((_A)->StaCfg.PSControl.field.rt30xxPowerMode == 3)	\
 			&& ((_A)->StaCfg.PSControl.field.EnableNewPS == TRUE)	\
 			&& ((_A)->bPCIclkOff == FALSE)	\
-			&& ((_A)->brt30xxBanMcuCmd == FALSE))	\
-		{																	\
-			if (_A->AccessBBPFailCount > 20)									\
-			{																	\
-				AsicResetBBPAgent(_A);				\
-				_A->AccessBBPFailCount = 0;											\
-			}																	\
-			for (BusyCnt=0; BusyCnt<MAX_BUSY_COUNT; BusyCnt++)					\
-			{																	\
+			&& ((_A)->brt30xxBanMcuCmd == FALSE)) {		\
+			if (_A->AccessBBPFailCount > 20) {		\
+				AsicResetBBPAgent(_A);			\
+				_A->AccessBBPFailCount = 0;		\
+			}						\
+			for (BusyCnt = 0; BusyCnt < MAX_BUSY_COUNT; BusyCnt++) { \
 				RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word);				\
 				if (BbpCsr.field.Busy == BUSY)									\
 					continue;													\
@@ -456,29 +426,24 @@
 				BbpCsr.field.RegNum = _I;										\
 				RTMP_IO_WRITE32(_A, H2M_BBP_AGENT, BbpCsr.word);				\
 				brc = AsicSendCommandToMcu(_A, 0x80, 0xff, 0x0, 0x0);					\
-				if (brc == TRUE)																\
-				{																\
+				if (brc == TRUE) {			\
 					(_A)->BbpWriteLatch[_I] = _V;									\
-				}																\
-				else																\
-				{																\
+				} else {				\
 					BbpCsr.field.Busy = 0;											\
 					RTMP_IO_WRITE32(_A, H2M_BBP_AGENT, BbpCsr.word);				\
 				}																\
 				break;															\
 			}																	\
 		}																	\
-		else if (!((IS_RT3090((_A)) || IS_RT3572((_A)) || IS_RT3390((_A))) && ((_A)->StaCfg.PSControl.field.rt30xxPowerMode == 3)	\
+		else if (!((IS_RT3090((_A)) || IS_RT3572((_A)) || IS_RT3390((_A))) \
+			&& ((_A)->StaCfg.PSControl.field.rt30xxPowerMode == 3)	\
 			&& ((_A)->StaCfg.PSControl.field.EnableNewPS == TRUE))	\
-			&& ((_A)->bPCIclkOff == FALSE))	\
-		{																	\
-			if (_A->AccessBBPFailCount > 20)									\
-			{																	\
-				AsicResetBBPAgent(_A);				\
-				_A->AccessBBPFailCount = 0;											\
-			}																	\
-			for (BusyCnt=0; BusyCnt<MAX_BUSY_COUNT; BusyCnt++)					\
-			{																	\
+			&& ((_A)->bPCIclkOff == FALSE)) { 		\
+			if (_A->AccessBBPFailCount > 20) {		\
+				AsicResetBBPAgent(_A);			\
+				_A->AccessBBPFailCount = 0;		\
+			}						\
+			for (BusyCnt = 0; BusyCnt < MAX_BUSY_COUNT; BusyCnt++) { \
 				RTMP_IO_READ32(_A, H2M_BBP_AGENT, &BbpCsr.word);				\
 				if (BbpCsr.field.Busy == BUSY)									\
 					continue;													\
@@ -493,20 +458,15 @@
 				(_A)->BbpWriteLatch[_I] = _V;									\
 				break;															\
 			}																	\
-		}																	\
-		else										\
-		{																	\
+		} else {						\
 			DBGPRINT_ERR(("  brt30xxBanMcuCmd = %d. Write BBP %d \n",  (_A)->brt30xxBanMcuCmd, (_I)));	\
 		}																	\
-		if ((BusyCnt == MAX_BUSY_COUNT) || ((_A)->bPCIclkOff == TRUE))			\
-		{																	\
-			if (BusyCnt == MAX_BUSY_COUNT)					\
+		if ((BusyCnt == MAX_BUSY_COUNT) || ((_A)->bPCIclkOff == TRUE)) { \
+			if (BusyCnt == MAX_BUSY_COUNT)				\
 				(_A)->AccessBBPFailCount++;					\
-			DBGPRINT_ERR(("BBP write R%d=0x%x fail. BusyCnt= %d.bPCIclkOff = %d. \n", _I, BbpCsr.word, BusyCnt, (_A)->bPCIclkOff ));	\
+			DBGPRINT_ERR(("BBP write R%d=0x%x fail. BusyCnt= %d.bPCIclkOff = %d. \n", _I, BbpCsr.word, BusyCnt, (_A)->bPCIclkOff));	\
 		}																	\
-	}																		\
-	else																		\
-	{																		\
+	} else {							\
 		DBGPRINT_ERR(("****** BBP_Write_Latch Buffer exceeds max boundry ****** \n"));	\
 	}																		\
 }
@@ -522,7 +482,7 @@
 
 #ifdef RT30xx
 #define RTMP_ASIC_MMPS_DISABLE(_pAd)							\
-	do{															\
+	do {															\
 		u32 _macData; \
 		u8 _bbpData = 0; \
 		/* disable MMPS BBP control register */						\
@@ -534,10 +494,10 @@
 		RTMP_IO_READ32(_pAd, 0x1210, &_macData);				\
 		_macData &= ~(0x09);	/*bit 0, 3*/							\
 		RTMP_IO_WRITE32(_pAd, 0x1210, _macData);				\
-	}while(0)
+	} while (0)
 
 #define RTMP_ASIC_MMPS_ENABLE(_pAd)							\
-	do{															\
+	do {															\
 		u32 _macData; \
 		u8 _bbpData = 0; \
 		/* enable MMPS BBP control register */						\
@@ -549,7 +509,7 @@
 		RTMP_IO_READ32(_pAd, 0x1210, &_macData);				\
 		_macData |= (0x09);	/*bit 0, 3*/							\
 		RTMP_IO_WRITE32(_pAd, 0x1210, _macData);				\
-	}while(0)
+	} while (0)
 
 #endif /* RT30xx // */
 

From a3327f07987468794f4afc602790aca6856e1a5a Mon Sep 17 00:00:00 2001
From: Trey Evans <lewis.r.evans@gmail.com>
Date: Mon, 19 Apr 2010 16:15:37 -0400
Subject: [PATCH 0924/3638] Staging: rt2860: fix usb_main_dev.c style errors

Correct several style errors related to pointers in usb_main_dev.c.

Signed-off-by: Trey Evans <lewis.r.evans@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/usb_main_dev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rt2860/usb_main_dev.c b/drivers/staging/rt2860/usb_main_dev.c
index 1873a79bb03..abe9f241ff9 100644
--- a/drivers/staging/rt2860/usb_main_dev.c
+++ b/drivers/staging/rt2860/usb_main_dev.c
@@ -153,7 +153,7 @@ static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pA
 static int __devinit rt2870_probe(IN struct usb_interface *intf,
 				  IN struct usb_device *usb_dev,
 				  IN const struct usb_device_id *dev_id,
-				  struct rt_rtmp_adapter ** ppAd);
+				  struct rt_rtmp_adapter **ppAd);
 
 #ifndef PF_NOFREEZE
 #define PF_NOFREEZE  0
@@ -801,7 +801,7 @@ static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pA
 static int __devinit rt2870_probe(IN struct usb_interface *intf,
 				  IN struct usb_device *usb_dev,
 				  IN const struct usb_device_id *dev_id,
-				  struct rt_rtmp_adapter ** ppAd)
+				  struct rt_rtmp_adapter **ppAd)
 {
 	struct net_device *net_dev = NULL;
 	struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)NULL;

From fdb2fd14c71e51472e1025d58b0322f75503f8c3 Mon Sep 17 00:00:00 2001
From: Neil Munro <neilmunro@gmail.com>
Date: Tue, 20 Apr 2010 01:06:33 +0100
Subject: [PATCH 0925/3638] Staging: rt2860: rtmp.h: Fixed all bar one error.

All simple errors have been removed, including +80 line character limits
and various pointer syntax isues.

Signed-off-by: Neil Munro <neilmunro@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/rtmp.h | 410 ++++++++++++++++------------------
 1 file changed, 197 insertions(+), 213 deletions(-)

diff --git a/drivers/staging/rt2860/rtmp.h b/drivers/staging/rt2860/rtmp.h
index 4401a55bda6..ab525ee1504 100644
--- a/drivers/staging/rt2860/rtmp.h
+++ b/drivers/staging/rt2860/rtmp.h
@@ -181,8 +181,7 @@ struct rt_queue_header {
 (QueueHeader)->Head;                                \
 {                                                   \
 	struct rt_queue_entry *pNext;                             \
-	if ((QueueHeader)->Head != NULL)				\
-	{												\
+	if ((QueueHeader)->Head != NULL) {				\
 		pNext = (QueueHeader)->Head->Next;          \
 		(QueueHeader)->Head->Next = NULL;		\
 		(QueueHeader)->Head = pNext;                \
@@ -242,9 +241,9 @@ struct rt_queue_header {
 #define OPSTATUS_CLEAR_FLAG(_pAd, _F)   ((_pAd)->CommonCfg.OpStatusFlags &= ~(_F))
 #define OPSTATUS_TEST_FLAG(_pAd, _F)    (((_pAd)->CommonCfg.OpStatusFlags & (_F)) != 0)
 
-#define CLIENT_STATUS_SET_FLAG(_pEntry,_F)      ((_pEntry)->ClientStatusFlags |= (_F))
-#define CLIENT_STATUS_CLEAR_FLAG(_pEntry,_F)    ((_pEntry)->ClientStatusFlags &= ~(_F))
-#define CLIENT_STATUS_TEST_FLAG(_pEntry,_F)     (((_pEntry)->ClientStatusFlags & (_F)) != 0)
+#define CLIENT_STATUS_SET_FLAG(_pEntry, _F)      ((_pEntry)->ClientStatusFlags |= (_F))
+#define CLIENT_STATUS_CLEAR_FLAG(_pEntry, _F)    ((_pEntry)->ClientStatusFlags &= ~(_F))
+#define CLIENT_STATUS_TEST_FLAG(_pEntry, _F)     (((_pEntry)->ClientStatusFlags & (_F)) != 0)
 
 #define RX_FILTER_SET_FLAG(_pAd, _F)    ((_pAd)->CommonCfg.PacketFilter |= (_F))
 #define RX_FILTER_CLEAR_FLAG(_pAd, _F)  ((_pAd)->CommonCfg.PacketFilter &= ~(_F))
@@ -279,13 +278,13 @@ struct rt_queue_header {
 	_pAd->StaActive.SupportedHtPhy.RecomWidth = _pAd->MlmeAux.AddHtInfo.AddHtInfo.RecomWidth;      \
 	_pAd->StaActive.SupportedHtPhy.OperaionMode = _pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode;      \
 	_pAd->StaActive.SupportedHtPhy.NonGfPresent = _pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent;      \
-	NdisMoveMemory((_pAd)->MacTab.Content[BSSID_WCID].HTCapability.MCSSet, (_pAd)->StaActive.SupportedPhyInfo.MCSSet, sizeof(u8)* 16);\
+	NdisMoveMemory((_pAd)->MacTab.Content[BSSID_WCID].HTCapability.MCSSet, (_pAd)->StaActive.SupportedPhyInfo.MCSSet, sizeof(u8) * 16);\
 }
 
 #define COPY_AP_HTSETTINGS_FROM_BEACON(_pAd, _pHtCapability)                                 \
 {                                                                                       \
 	_pAd->MacTab.Content[BSSID_WCID].AMsduSize = (u8)(_pHtCapability->HtCapInfo.AMsduSize);	\
-	_pAd->MacTab.Content[BSSID_WCID].MmpsMode= (u8)(_pHtCapability->HtCapInfo.MimoPs);	\
+	_pAd->MacTab.Content[BSSID_WCID].MmpsMode = (u8)(_pHtCapability->HtCapInfo.MimoPs);	\
 	_pAd->MacTab.Content[BSSID_WCID].MaxRAmpduFactor = (u8)(_pHtCapability->HtCapParm.MaxRAmpduFactor);	\
 }
 
@@ -349,17 +348,14 @@ struct rt_rtmp_sg_list {
 /* if orginal Ethernet frame contains no LLC/SNAP, then an extra LLC/SNAP encap is required */
 #define EXTRA_LLCSNAP_ENCAP_FROM_PKT_START(_pBufVA, _pExtraLlcSnapEncap)		\
 {																\
-	if (((*(_pBufVA + 12) << 8) + *(_pBufVA + 13)) > 1500)		\
-	{															\
+	if (((*(_pBufVA + 12) << 8) + *(_pBufVA + 13)) > 1500) {	\
 		_pExtraLlcSnapEncap = SNAP_802_1H;						\
 		if (NdisEqualMemory(IPX, _pBufVA + 12, 2) || 			\
-			NdisEqualMemory(APPLE_TALK, _pBufVA + 12, 2))		\
-		{														\
+			NdisEqualMemory(APPLE_TALK, _pBufVA + 12, 2)) {	\
 			_pExtraLlcSnapEncap = SNAP_BRIDGE_TUNNEL;			\
 		}														\
 	}															\
-	else														\
-	{															\
+	else {				\
 		_pExtraLlcSnapEncap = NULL;								\
 	}															\
 }
@@ -367,17 +363,14 @@ struct rt_rtmp_sg_list {
 /* New Define for new Tx Path. */
 #define EXTRA_LLCSNAP_ENCAP_FROM_PKT_OFFSET(_pBufVA, _pExtraLlcSnapEncap)	\
 {																\
-	if (((*(_pBufVA) << 8) + *(_pBufVA + 1)) > 1500)			\
-	{															\
+	if (((*(_pBufVA) << 8) + *(_pBufVA + 1)) > 1500) {		\
 		_pExtraLlcSnapEncap = SNAP_802_1H;						\
 		if (NdisEqualMemory(IPX, _pBufVA, 2) || 				\
-			NdisEqualMemory(APPLE_TALK, _pBufVA, 2))			\
-		{														\
+			NdisEqualMemory(APPLE_TALK, _pBufVA, 2)) {		\
 			_pExtraLlcSnapEncap = SNAP_BRIDGE_TUNNEL;			\
 		}														\
 	}															\
-	else														\
-	{															\
+	else {		\
 		_pExtraLlcSnapEncap = NULL;								\
 	}															\
 }
@@ -399,33 +392,29 @@ struct rt_rtmp_sg_list {
 #define CONVERT_TO_802_3(_p8023hdr, _pDA, _pSA, _pData, _DataSize, _pRemovedLLCSNAP)      \
 {                                                                       \
     char LLC_Len[2];                                                    \
-                                                                        \
+									\
     _pRemovedLLCSNAP = NULL;                                            \
     if (NdisEqualMemory(SNAP_802_1H, _pData, 6)  ||                     \
-        NdisEqualMemory(SNAP_BRIDGE_TUNNEL, _pData, 6))                 \
-    {                                                                   \
-        u8 *pProto = _pData + 6;                                     \
-                                                                        \
-        if ((NdisEqualMemory(IPX, pProto, 2) || NdisEqualMemory(APPLE_TALK, pProto, 2)) &&  \
-            NdisEqualMemory(SNAP_802_1H, _pData, 6))                    \
-        {                                                               \
-            LLC_Len[0] = (u8)(_DataSize / 256);                      \
-            LLC_Len[1] = (u8)(_DataSize % 256);                      \
-            MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, LLC_Len);          \
-        }                                                               \
-        else                                                            \
-        {                                                               \
-            MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, pProto);           \
-            _pRemovedLLCSNAP = _pData;                                  \
-            _DataSize -= LENGTH_802_1_H;                                \
-            _pData += LENGTH_802_1_H;                                   \
-        }                                                               \
+	NdisEqualMemory(SNAP_BRIDGE_TUNNEL, _pData, 6))	{		\
+	u8 *pProto = _pData + 6;					\
+									\
+	if ((NdisEqualMemory(IPX, pProto, 2) || NdisEqualMemory(APPLE_TALK, pProto, 2)) &&  \
+		NdisEqualMemory(SNAP_802_1H, _pData, 6))	{	\
+		LLC_Len[0] = (u8)(_DataSize / 256);			\
+		LLC_Len[1] = (u8)(_DataSize % 256);			\
+		MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, LLC_Len);	\
+	}								\
+	else	{							\
+		MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, pProto);	\
+		_pRemovedLLCSNAP = _pData;				\
+		_DataSize -= LENGTH_802_1_H;				\
+		_pData += LENGTH_802_1_H;				\
+	}								\
     }                                                                   \
-    else                                                                \
-    {                                                                   \
-        LLC_Len[0] = (u8)(_DataSize / 256);                          \
-        LLC_Len[1] = (u8)(_DataSize % 256);                          \
-        MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, LLC_Len);              \
+	else	{							\
+	LLC_Len[0] = (u8)(_DataSize / 256);				\
+	LLC_Len[1] = (u8)(_DataSize % 256);				\
+	MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, LLC_Len);		\
     }                                                                   \
 }
 
@@ -438,19 +427,19 @@ struct rt_rtmp_sg_list {
     u32 High32TSF, Low32TSF;                                                          \
     RTMP_IO_READ32(_pAd, TSF_TIMER_DW1, &High32TSF);                                       \
     RTMP_IO_READ32(_pAd, TSF_TIMER_DW0, &Low32TSF);                                        \
-    MlmeEnqueueForRecv(_pAd, Wcid, High32TSF, Low32TSF, (u8)_Rssi0, (u8)_Rssi1,(u8)_Rssi2,_FrameSize, _pFrame, (u8)_PlcpSignal);   \
+    MlmeEnqueueForRecv(_pAd, Wcid, High32TSF, Low32TSF, (u8)_Rssi0, (u8)_Rssi1, (u8)_Rssi2, _FrameSize, _pFrame, (u8)_PlcpSignal);   \
 }
 #endif /* RTMP_MAC_PCI // */
 #ifdef RTMP_MAC_USB
 #define REPORT_MGMT_FRAME_TO_MLME(_pAd, Wcid, _pFrame, _FrameSize, _Rssi0, _Rssi1, _Rssi2, _PlcpSignal)        \
 {                                                                                       \
-    u32 High32TSF=0, Low32TSF=0;                                                          \
-    MlmeEnqueueForRecv(_pAd, Wcid, High32TSF, Low32TSF, (u8)_Rssi0, (u8)_Rssi1,(u8)_Rssi2,_FrameSize, _pFrame, (u8)_PlcpSignal);   \
+    u32 High32TSF = 0, Low32TSF = 0;                                                          \
+    MlmeEnqueueForRecv(_pAd, Wcid, High32TSF, Low32TSF, (u8)_Rssi0, (u8)_Rssi1, (u8)_Rssi2, _FrameSize, _pFrame, (u8)_PlcpSignal);   \
 }
 #endif /* RTMP_MAC_USB // */
 
-#define MAC_ADDR_EQUAL(pAddr1,pAddr2)           RTMPEqualMemory((void *)(pAddr1), (void *)(pAddr2), MAC_ADDR_LEN)
-#define SSID_EQUAL(ssid1, len1, ssid2, len2)    ((len1==len2) && (RTMPEqualMemory(ssid1, ssid2, len1)))
+#define MAC_ADDR_EQUAL(pAddr1, pAddr2)           RTMPEqualMemory((void *)(pAddr1), (void *)(pAddr2), MAC_ADDR_LEN)
+#define SSID_EQUAL(ssid1, len1, ssid2, len2)    ((len1 == len2) && (RTMPEqualMemory(ssid1, ssid2, len1)))
 
 /* */
 /* Check if it is Japan W53(ch52,56,60,64) channel. */
@@ -1054,7 +1043,7 @@ typedef union _BACAP_STRUC {
 		u32 MMPSmode:2;	/* MIMO power save more, 0:static, 1:dynamic, 2:rsv, 3:mimo enable */
 		u32 bHtAdhoc:1;	/* adhoc can use ht rate. */
 		u32 b2040CoexistScanSup:1;	/*As Sta, support do 2040 coexistence scan for AP. As Ap, support monitor trigger event to check if can use BW 40MHz. */
-		u32 : 4;
+		u32: 4;
 	} field;
 	u32 word;
 } BACAP_STRUC, *PBACAP_STRUC;
@@ -1334,7 +1323,7 @@ struct rt_common_config {
 
 	BOOLEAN PSPXlink;	/* 0: Disable. 1: Enable */
 
-#if defined(RT305x)||defined(RT30xx)
+#if defined(RT305x) || defined(RT30xx)
 	/* request by Gary, for High Power issue */
 	u8 HighPowerPatchDisabled;
 #endif
@@ -2169,8 +2158,8 @@ struct rt_rtmp_adapter {
   **************************************************************************/
 struct rt_rx_blk {
 	RT28XX_RXD_STRUC RxD;
-	struct rt_rxwi * pRxWI;
-	struct rt_header_802_11 * pHeader;
+	struct rt_rxwi *pRxWI;
+	struct rt_header_802_11 *pHeader;
 	void *pRxPacket;
 	u8 *pData;
 	u16 DataSize;
@@ -2268,7 +2257,7 @@ struct rt_tx_blk {
   *	Other static inline function definitions
   **************************************************************************/
 static inline void ConvertMulticastIP2MAC(u8 *pIpAddr,
-					  u8 ** ppMacAddr,
+					  u8 **ppMacAddr,
 					  u16 ProtoType)
 {
 	if (pIpAddr == NULL)
@@ -2310,7 +2299,7 @@ char *GetBW(int BW);
 /*  Private routines in rtmp_init.c */
 /* */
 int RTMPAllocAdapterBlock(void *handle,
-				  struct rt_rtmp_adapter * * ppAdapter);
+				  struct rt_rtmp_adapter **ppAdapter);
 
 int RTMPAllocTxRxRingMemory(struct rt_rtmp_adapter *pAd);
 
@@ -2431,11 +2420,11 @@ void ORIBATimerTimeout(struct rt_rtmp_adapter *pAd);
 void SendRefreshBAR(struct rt_rtmp_adapter *pAd, struct rt_mac_table_entry *pEntry);
 
 void ActHeaderInit(struct rt_rtmp_adapter *pAd,
-		   struct rt_header_802_11 * pHdr80211,
+		   struct rt_header_802_11 *pHdr80211,
 		   u8 *Addr1, u8 *Addr2, u8 *Addr3);
 
 void BarHeaderInit(struct rt_rtmp_adapter *pAd,
-		   struct rt_frame_bar * pCntlBar, u8 *pDA, u8 *pSA);
+		   struct rt_frame_bar *pCntlBar, u8 *pDA, u8 *pSA);
 
 void InsertActField(struct rt_rtmp_adapter *pAd,
 		    u8 *pFrameBuf,
@@ -2443,7 +2432,7 @@ void InsertActField(struct rt_rtmp_adapter *pAd,
 
 BOOLEAN CntlEnqueueForRecv(struct rt_rtmp_adapter *pAd,
 			   unsigned long Wcid,
-			   unsigned long MsgLen, struct rt_frame_ba_req * pMsg);
+			   unsigned long MsgLen, struct rt_frame_ba_req *pMsg);
 
 /* */
 /* Private routines in rtmp_data.c */
@@ -2511,7 +2500,7 @@ int MlmeDataHardTransmit(struct rt_rtmp_adapter *pAd,
 				 u8 QueIdx, void *pPacket);
 
 void RTMPWriteTxDescriptor(struct rt_rtmp_adapter *pAd,
-			   struct rt_txd * pTxD, IN BOOLEAN bWIV, u8 QSEL);
+			   struct rt_txd *pTxD, IN BOOLEAN bWIV, u8 QSEL);
 #endif /* RTMP_MAC_PCI // */
 
 u16 RTMPCalcDuration(struct rt_rtmp_adapter *pAd, u8 Rate, unsigned long Size);
@@ -2527,10 +2516,10 @@ void RTMPWriteTxWI(struct rt_rtmp_adapter *pAd, struct rt_txwi * pTxWI, IN BOOLE
 		   IN BOOLEAN CfAck, IN HTTRANSMIT_SETTING * pTransmit);
 
 void RTMPWriteTxWI_Data(struct rt_rtmp_adapter *pAd,
-			struct rt_txwi * pTxWI, struct rt_tx_blk *pTxBlk);
+			struct rt_txwi *pTxWI, struct rt_tx_blk *pTxBlk);
 
 void RTMPWriteTxWI_Cache(struct rt_rtmp_adapter *pAd,
-			 struct rt_txwi * pTxWI, struct rt_tx_blk *pTxBlk);
+			 struct rt_txwi *pTxWI, struct rt_tx_blk *pTxBlk);
 
 void RTMPSuspendMsduTransmission(struct rt_rtmp_adapter *pAd);
 
@@ -2573,10 +2562,10 @@ void WpaStaGroupKeySetting(struct rt_rtmp_adapter *pAd);
 int RTMPCloneNdisPacket(struct rt_rtmp_adapter *pAd,
 				IN BOOLEAN pInsAMSDUHdr,
 				void *pInPacket,
-				void ** ppOutPacket);
+				void **ppOutPacket);
 
 int RTMPAllocateNdisPacket(struct rt_rtmp_adapter *pAd,
-				   void ** pPacket,
+				   void **pPacket,
 				   u8 *pHeader,
 				   u32 HeaderLen,
 				   u8 *pData, u32 DataLen);
@@ -2717,7 +2706,7 @@ BOOLEAN AsicCheckCommanOk(struct rt_rtmp_adapter *pAd, u8 Command);
 void MacAddrRandomBssid(struct rt_rtmp_adapter *pAd, u8 *pAddr);
 
 void MgtMacHeaderInit(struct rt_rtmp_adapter *pAd,
-		      struct rt_header_802_11 * pHdr80211,
+		      struct rt_header_802_11 *pHdr80211,
 		      u8 SubType,
 		      u8 ToDs, u8 *pDA, u8 *pBssid);
 
@@ -2796,7 +2785,7 @@ void MlmeQueueDestroy(struct rt_mlme_queue *Queue);
 
 BOOLEAN MlmeEnqueue(struct rt_rtmp_adapter *pAd,
 		    unsigned long Machine,
-		    unsigned long MsgType, unsigned long MsgLen, void * Msg);
+		    unsigned long MsgType, unsigned long MsgLen, void *Msg);
 
 BOOLEAN MlmeEnqueueForRecv(struct rt_rtmp_adapter *pAd,
 			   unsigned long Wcid,
@@ -2807,7 +2796,7 @@ BOOLEAN MlmeEnqueueForRecv(struct rt_rtmp_adapter *pAd,
 			   u8 Rssi2,
 			   unsigned long MsgLen, void *Msg, u8 Signal);
 
-BOOLEAN MlmeDequeue(struct rt_mlme_queue *Queue, struct rt_mlme_queue_elem ** Elem);
+BOOLEAN MlmeDequeue(struct rt_mlme_queue *Queue, struct rt_mlme_queue_elem **Elem);
 
 void MlmeRestartStateMachine(struct rt_rtmp_adapter *pAd);
 
@@ -2816,8 +2805,8 @@ BOOLEAN MlmeQueueEmpty(struct rt_mlme_queue *Queue);
 BOOLEAN MlmeQueueFull(struct rt_mlme_queue *Queue);
 
 BOOLEAN MsgTypeSubst(struct rt_rtmp_adapter *pAd,
-		     struct rt_frame_802_11 * pFrame,
-		     int * Machine, int * MsgType);
+		     struct rt_frame_802_11 *pFrame,
+		     int *Machine, int *MsgType);
 
 void StateMachineInit(struct rt_state_machine *Sm,
 		      IN STATE_MACHINE_FUNC Trans[],
@@ -2895,8 +2884,8 @@ void AssocPostProc(struct rt_rtmp_adapter *pAd,
 		   u8 ExtRate[],
 		   u8 ExtRateLen,
 		   struct rt_edca_parm *pEdcaParm,
-		   struct rt_ht_capability_ie * pHtCapability,
-		   u8 HtCapabilityLen, struct rt_add_ht_info_ie * pAddHtInfo);
+		   struct rt_ht_capability_ie *pHtCapability,
+		   u8 HtCapabilityLen, struct rt_add_ht_info_ie *pAddHtInfo);
 
 void AuthStateMachineInit(struct rt_rtmp_adapter *pAd,
 			  struct rt_state_machine *sm, OUT STATE_MACHINE_FUNC Trans[]);
@@ -2928,7 +2917,7 @@ void AuthRspStateMachineInit(struct rt_rtmp_adapter *pAd,
 void PeerDeauthAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem);
 
 void PeerAuthSimpleRspGenAndSend(struct rt_rtmp_adapter *pAd,
-				 struct rt_header_802_11 * pHdr80211,
+				 struct rt_header_802_11 *pHdr80211,
 				 u16 Alg,
 				 u16 Seq,
 				 u16 Reason, u16 Status);
@@ -3054,133 +3043,133 @@ void ScanNextChannel(struct rt_rtmp_adapter *pAd);
 unsigned long MakeIbssBeacon(struct rt_rtmp_adapter *pAd);
 
 BOOLEAN MlmeScanReqSanity(struct rt_rtmp_adapter *pAd,
-			  void * Msg,
+			  void *Msg,
 			  unsigned long MsgLen,
-			  u8 * BssType,
+			  u8 *BssType,
 			  char ssid[],
-			  u8 * SsidLen, u8 * ScanType);
+			  u8 *SsidLen, u8 *ScanType);
 
 BOOLEAN PeerBeaconAndProbeRspSanity(struct rt_rtmp_adapter *pAd,
-				    void * Msg,
+				    void *Msg,
 				    unsigned long MsgLen,
 				    u8 MsgChannel,
 				    u8 *pAddr2,
 				    u8 *pBssid,
 				    char Ssid[],
-				    u8 * pSsidLen,
-				    u8 * pBssType,
-				    u16 * pBeaconPeriod,
-				    u8 * pChannel,
-				    u8 * pNewChannel,
+				    u8 *pSsidLen,
+				    u8 *pBssType,
+				    u16 *pBeaconPeriod,
+				    u8 *pChannel,
+				    u8 *pNewChannel,
 				    OUT LARGE_INTEGER * pTimestamp,
-				    struct rt_cf_parm * pCfParm,
-				    u16 * pAtimWin,
-				    u16 * pCapabilityInfo,
-				    u8 * pErp,
-				    u8 * pDtimCount,
-				    u8 * pDtimPeriod,
-				    u8 * pBcastFlag,
-				    u8 * pMessageToMe,
+				    struct rt_cf_parm *pCfParm,
+				    u16 *pAtimWin,
+				    u16 *pCapabilityInfo,
+				    u8 *pErp,
+				    u8 *pDtimCount,
+				    u8 *pDtimPeriod,
+				    u8 *pBcastFlag,
+				    u8 *pMessageToMe,
 				    u8 SupRate[],
-				    u8 * pSupRateLen,
+				    u8 *pSupRateLen,
 				    u8 ExtRate[],
-				    u8 * pExtRateLen,
-				    u8 * pCkipFlag,
-				    u8 * pAironetCellPowerLimit,
+				    u8 *pExtRateLen,
+				    u8 *pCkipFlag,
+				    u8 *pAironetCellPowerLimit,
 				    struct rt_edca_parm *pEdcaParm,
 				    struct rt_qbss_load_parm *pQbssLoad,
 				    struct rt_qos_capability_parm *pQosCapability,
-				    unsigned long * pRalinkIe,
-				    u8 * pHtCapabilityLen,
-				    u8 * pPreNHtCapabilityLen,
-				    struct rt_ht_capability_ie * pHtCapability,
-				    u8 * AddHtInfoLen,
-				    struct rt_add_ht_info_ie * AddHtInfo,
-				    u8 * NewExtChannel,
-				    u16 * LengthVIE,
+				    unsigned long *pRalinkIe,
+				    u8 *pHtCapabilityLen,
+				    u8 *pPreNHtCapabilityLen,
+				    struct rt_ht_capability_ie *pHtCapability,
+				    u8 *AddHtInfoLen,
+				    struct rt_add_ht_info_ie *AddHtInfo,
+				    u8 *NewExtChannel,
+				    u16 *LengthVIE,
 				    struct rt_ndis_802_11_variable_ies *pVIE);
 
 BOOLEAN PeerAddBAReqActionSanity(struct rt_rtmp_adapter *pAd,
-				 void * pMsg,
+				 void *pMsg,
 				 unsigned long MsgLen, u8 *pAddr2);
 
 BOOLEAN PeerAddBARspActionSanity(struct rt_rtmp_adapter *pAd,
-				 void * pMsg, unsigned long MsgLen);
+				 void *pMsg, unsigned long MsgLen);
 
 BOOLEAN PeerDelBAActionSanity(struct rt_rtmp_adapter *pAd,
-			      u8 Wcid, void * pMsg, unsigned long MsgLen);
+			      u8 Wcid, void *pMsg, unsigned long MsgLen);
 
 BOOLEAN MlmeAssocReqSanity(struct rt_rtmp_adapter *pAd,
-			   void * Msg,
+			   void *Msg,
 			   unsigned long MsgLen,
 			   u8 *pApAddr,
-			   u16 * CapabilityInfo,
-			   unsigned long * Timeout, u16 * ListenIntv);
+			   u16 *CapabilityInfo,
+			   unsigned long *Timeout, u16 *ListenIntv);
 
 BOOLEAN MlmeAuthReqSanity(struct rt_rtmp_adapter *pAd,
-			  void * Msg,
+			  void *Msg,
 			  unsigned long MsgLen,
 			  u8 *pAddr,
-			  unsigned long * Timeout, u16 * Alg);
+			  unsigned long *Timeout, u16 *Alg);
 
 BOOLEAN MlmeStartReqSanity(struct rt_rtmp_adapter *pAd,
-			   void * Msg,
+			   void *Msg,
 			   unsigned long MsgLen,
-			   char Ssid[], u8 * Ssidlen);
+			   char Ssid[], u8 *Ssidlen);
 
 BOOLEAN PeerAuthSanity(struct rt_rtmp_adapter *pAd,
-		       void * Msg,
+		       void *Msg,
 		       unsigned long MsgLen,
 		       u8 *pAddr,
-		       u16 * Alg,
-		       u16 * Seq,
-		       u16 * Status, char ChlgText[]);
+		       u16 *Alg,
+		       u16 *Seq,
+		       u16 *Status, char ChlgText[]);
 
-BOOLEAN PeerAssocRspSanity(struct rt_rtmp_adapter *pAd, void * pMsg, unsigned long MsgLen, u8 *pAddr2, u16 * pCapabilityInfo, u16 * pStatus, u16 * pAid, u8 SupRate[], u8 * pSupRateLen, u8 ExtRate[], u8 * pExtRateLen, struct rt_ht_capability_ie * pHtCapability, struct rt_add_ht_info_ie * pAddHtInfo,	/* AP might use this additional ht info IE */
-			   u8 * pHtCapabilityLen,
-			   u8 * pAddHtInfoLen,
-			   u8 * pNewExtChannelOffset,
-			   struct rt_edca_parm *pEdcaParm, u8 * pCkipFlag);
+BOOLEAN PeerAssocRspSanity(struct rt_rtmp_adapter *pAd, void *pMsg, unsigned long MsgLen, u8 *pAddr2, u16 *pCapabilityInfo, u16 *pStatus, u16 *pAid, u8 SupRate[], u8 *pSupRateLen, u8 ExtRate[], u8 *pExtRateLen, struct rt_ht_capability_ie *pHtCapability, struct rt_add_ht_info_ie *pAddHtInfo,	/* AP might use this additional ht info IE */
+			   u8 *pHtCapabilityLen,
+			   u8 *pAddHtInfoLen,
+			   u8 *pNewExtChannelOffset,
+			   struct rt_edca_parm *pEdcaParm, u8 *pCkipFlag);
 
 BOOLEAN PeerDisassocSanity(struct rt_rtmp_adapter *pAd,
-			   void * Msg,
+			   void *Msg,
 			   unsigned long MsgLen,
-			   u8 *pAddr2, u16 * Reason);
+			   u8 *pAddr2, u16 *Reason);
 
 BOOLEAN PeerWpaMessageSanity(struct rt_rtmp_adapter *pAd,
-			     struct rt_eapol_packet * pMsg,
+			     struct rt_eapol_packet *pMsg,
 			     unsigned long MsgLen,
 			     u8 MsgType, struct rt_mac_table_entry *pEntry);
 
 BOOLEAN PeerDeauthSanity(struct rt_rtmp_adapter *pAd,
-			 void * Msg,
+			 void *Msg,
 			 unsigned long MsgLen,
-			 u8 *pAddr2, u16 * Reason);
+			 u8 *pAddr2, u16 *Reason);
 
 BOOLEAN PeerProbeReqSanity(struct rt_rtmp_adapter *pAd,
-			   void * Msg,
+			   void *Msg,
 			   unsigned long MsgLen,
 			   u8 *pAddr2,
-			   char Ssid[], u8 * pSsidLen);
+			   char Ssid[], u8 *pSsidLen);
 
-BOOLEAN GetTimBit(char * Ptr,
+BOOLEAN GetTimBit(char *Ptr,
 		  u16 Aid,
-		  u8 * TimLen,
-		  u8 * BcastFlag,
-		  u8 * DtimCount,
-		  u8 * DtimPeriod, u8 * MessageToMe);
+		  u8 *TimLen,
+		  u8 *BcastFlag,
+		  u8 *DtimCount,
+		  u8 *DtimPeriod, u8 *MessageToMe);
 
 u8 ChannelSanity(struct rt_rtmp_adapter *pAd, u8 channel);
 
 NDIS_802_11_NETWORK_TYPE NetworkTypeInUseSanity(struct rt_bss_entry *pBss);
 
 BOOLEAN MlmeDelBAReqSanity(struct rt_rtmp_adapter *pAd,
-			   void * Msg, unsigned long MsgLen);
+			   void *Msg, unsigned long MsgLen);
 
 BOOLEAN MlmeAddBAReqSanity(struct rt_rtmp_adapter *pAd,
-			   void * Msg, unsigned long MsgLen, u8 *pAddr2);
+			   void *Msg, unsigned long MsgLen, u8 *pAddr2);
 
-unsigned long MakeOutgoingFrame(u8 * Buffer, unsigned long * Length, ...);
+unsigned long MakeOutgoingFrame(u8 *Buffer, unsigned long *Length, ...);
 
 void LfsrInit(struct rt_rtmp_adapter *pAd, unsigned long Seed);
 
@@ -3215,7 +3204,7 @@ void MlmeSetTxRate(struct rt_rtmp_adapter *pAd,
 
 void MlmeSelectTxRateTable(struct rt_rtmp_adapter *pAd,
 			   struct rt_mac_table_entry *pEntry,
-			   u8 ** ppTable,
+			   u8 **ppTable,
 			   u8 *pTableSize, u8 *pInitTxRateIdx);
 
 void MlmeCalculateChannelQuality(struct rt_rtmp_adapter *pAd,
@@ -3235,15 +3224,15 @@ void MlmeUpdateTxRates(struct rt_rtmp_adapter *pAd,
 void MlmeUpdateHtTxRates(struct rt_rtmp_adapter *pAd, u8 apidx);
 
 void RTMPCheckRates(struct rt_rtmp_adapter *pAd,
-		    IN u8 SupRate[], IN u8 * SupRateLen);
+		    IN u8 SupRate[], IN u8 *SupRateLen);
 
 BOOLEAN RTMPCheckChannel(struct rt_rtmp_adapter *pAd,
 			 u8 CentralChannel, u8 Channel);
 
 BOOLEAN RTMPCheckHt(struct rt_rtmp_adapter *pAd,
 		    u8 Wcid,
-		    struct rt_ht_capability_ie * pHtCapability,
-		    struct rt_add_ht_info_ie * pAddHtInfo);
+		    struct rt_ht_capability_ie *pHtCapability,
+		    struct rt_add_ht_info_ie *pAddHtInfo);
 
 void StaQuickResponeForRateUpExec(void *SystemSpecific1,
 				  void *FunctionContext,
@@ -3268,7 +3257,7 @@ int set_eFusedump_Proc(struct rt_rtmp_adapter *pAd, char *arg);
 
 void eFusePhysicalReadRegisters(struct rt_rtmp_adapter *pAd,
 				u16 Offset,
-				u16 Length, u16 * pData);
+				u16 Length, u16 *pData);
 
 int RtmpEfuseSupportCheck(struct rt_rtmp_adapter *pAd);
 
@@ -3391,7 +3380,7 @@ int RT_CfgSetWepKey(struct rt_rtmp_adapter *pAd,
 
 int RT_CfgSetWPAPSKKey(struct rt_rtmp_adapter *pAd,
 		       char *keyString,
-		       u8 * pHashStr,
+		       u8 *pHashStr,
 		       int hashStrLen, u8 *pPMKBuf);
 
 /* */
@@ -3402,9 +3391,9 @@ void RTMPWPARemoveAllKeys(struct rt_rtmp_adapter *pAd);
 void RTMPSetPhyMode(struct rt_rtmp_adapter *pAd, unsigned long phymode);
 
 void RTMPUpdateHTIE(struct rt_ht_capability *pRtHt,
-		    u8 * pMcsSet,
-		    struct rt_ht_capability_ie * pHtCapability,
-		    struct rt_add_ht_info_ie * pAddHtInfo);
+		    u8 *pMcsSet,
+		    struct rt_ht_capability_ie *pHtCapability,
+		    struct rt_add_ht_info_ie *pAddHtInfo);
 
 void RTMPAddWcidAttributeEntry(struct rt_rtmp_adapter *pAd,
 			       u8 BssIdx,
@@ -3436,22 +3425,22 @@ void RTMPToWirelessSta(struct rt_rtmp_adapter *pAd,
 		       u32 DataLen, IN BOOLEAN bClearFrame);
 
 void WpaDerivePTK(struct rt_rtmp_adapter *pAd,
-		  u8 * PMK,
-		  u8 * ANonce,
-		  u8 * AA,
-		  u8 * SNonce,
-		  u8 * SA, u8 * output, u32 len);
+		  u8 *PMK,
+		  u8 *ANonce,
+		  u8 *AA,
+		  u8 *SNonce,
+		  u8 *SA, u8 *output, u32 len);
 
-void GenRandom(struct rt_rtmp_adapter *pAd, u8 * macAddr, u8 * random);
+void GenRandom(struct rt_rtmp_adapter *pAd, u8 *macAddr, u8 *random);
 
 BOOLEAN RTMPCheckWPAframe(struct rt_rtmp_adapter *pAd,
 			  struct rt_mac_table_entry *pEntry,
 			  u8 *pData,
 			  unsigned long DataByteCount, u8 FromWhichBSSID);
 
-void AES_GTK_KEY_UNWRAP(u8 * key,
-			u8 * plaintext,
-			u32 c_len, u8 * ciphertext);
+void AES_GTK_KEY_UNWRAP(u8 *key,
+			u8 *plaintext,
+			u32 c_len, u8 *ciphertext);
 
 BOOLEAN RTMPParseEapolKeyData(struct rt_rtmp_adapter *pAd,
 			      u8 *pKeyData,
@@ -3464,11 +3453,11 @@ void ConstructEapolMsg(struct rt_mac_table_entry *pEntry,
 		       u8 GroupKeyWepStatus,
 		       u8 MsgType,
 		       u8 DefaultKeyIdx,
-		       u8 * KeyNonce,
-		       u8 * TxRSC,
-		       u8 * GTK,
-		       u8 * RSNIE,
-		       u8 RSNIE_Len, struct rt_eapol_packet * pMsg);
+		       u8 *KeyNonce,
+		       u8 *TxRSC,
+		       u8 *GTK,
+		       u8 *RSNIE,
+		       u8 RSNIE_Len, struct rt_eapol_packet *pMsg);
 
 int RTMPSoftDecryptBroadCastData(struct rt_rtmp_adapter *pAd,
 					 struct rt_rx_blk *pRxBlk,
@@ -3515,66 +3504,66 @@ void PeerGroupMsg1Action(struct rt_rtmp_adapter *pAd,
 
 void PeerGroupMsg2Action(struct rt_rtmp_adapter *pAd,
 			 struct rt_mac_table_entry *pEntry,
-			 void * Msg, u32 MsgLen);
+			 void *Msg, u32 MsgLen);
 
-void WpaDeriveGTK(u8 * PMK,
-		  u8 * GNonce,
-		  u8 * AA, u8 * output, u32 len);
+void WpaDeriveGTK(u8 *PMK,
+		  u8 *GNonce,
+		  u8 *AA, u8 *output, u32 len);
 
-void AES_GTK_KEY_WRAP(u8 * key,
-		      u8 * plaintext,
-		      u32 p_len, u8 * ciphertext);
+void AES_GTK_KEY_WRAP(u8 *key,
+		      u8 *plaintext,
+		      u32 p_len, u8 *ciphertext);
 
 /*typedef void (*TIMER_FUNCTION)(unsigned long); */
 
 /* timeout -- ms */
-void RTMP_SetPeriodicTimer(struct timer_list * pTimer,
+void RTMP_SetPeriodicTimer(struct timer_list *pTimer,
 			   IN unsigned long timeout);
 
 void RTMP_OS_Init_Timer(struct rt_rtmp_adapter *pAd,
-			struct timer_list * pTimer,
+			struct timer_list *pTimer,
 			IN TIMER_FUNCTION function, void *data);
 
-void RTMP_OS_Add_Timer(struct timer_list * pTimer,
+void RTMP_OS_Add_Timer(struct timer_list *pTimer,
 		       IN unsigned long timeout);
 
-void RTMP_OS_Mod_Timer(struct timer_list * pTimer,
+void RTMP_OS_Mod_Timer(struct timer_list *pTimer,
 		       IN unsigned long timeout);
 
-void RTMP_OS_Del_Timer(struct timer_list * pTimer,
-		       OUT BOOLEAN * pCancelled);
+void RTMP_OS_Del_Timer(struct timer_list *pTimer,
+		       OUT BOOLEAN *pCancelled);
 
 void RTMP_OS_Release_Packet(struct rt_rtmp_adapter *pAd, struct rt_queue_entry *pEntry);
 
 void RTMPusecDelay(unsigned long usec);
 
 int os_alloc_mem(struct rt_rtmp_adapter *pAd,
-			 u8 ** mem, unsigned long size);
+			 u8 **mem, unsigned long size);
 
 int os_free_mem(struct rt_rtmp_adapter *pAd, void *mem);
 
 void RTMP_AllocateSharedMemory(struct rt_rtmp_adapter *pAd,
 			       unsigned long Length,
 			       IN BOOLEAN Cached,
-			       void ** VirtualAddress,
+			       void **VirtualAddress,
 			       dma_addr_t *PhysicalAddress);
 
 void RTMPFreeTxRxRingMemory(struct rt_rtmp_adapter *pAd);
 
-int AdapterBlockAllocateMemory(void *handle, void ** ppAd);
+int AdapterBlockAllocateMemory(void *handle, void **ppAd);
 
 void RTMP_AllocateTxDescMemory(struct rt_rtmp_adapter *pAd,
 			       u32 Index,
 			       unsigned long Length,
 			       IN BOOLEAN Cached,
-			       void ** VirtualAddress,
+			       void **VirtualAddress,
 			       dma_addr_t *PhysicalAddress);
 
 void RTMP_AllocateFirstTxBuffer(struct rt_rtmp_adapter *pAd,
 				u32 Index,
 				unsigned long Length,
 				IN BOOLEAN Cached,
-				void ** VirtualAddress,
+				void **VirtualAddress,
 				dma_addr_t *PhysicalAddress);
 
 void RTMP_FreeFirstTxBuffer(struct rt_rtmp_adapter *pAd,
@@ -3586,13 +3575,13 @@ void RTMP_FreeFirstTxBuffer(struct rt_rtmp_adapter *pAd,
 void RTMP_AllocateMgmtDescMemory(struct rt_rtmp_adapter *pAd,
 				 unsigned long Length,
 				 IN BOOLEAN Cached,
-				 void ** VirtualAddress,
+				 void **VirtualAddress,
 				 dma_addr_t *PhysicalAddress);
 
 void RTMP_AllocateRxDescMemory(struct rt_rtmp_adapter *pAd,
 			       unsigned long Length,
 			       IN BOOLEAN Cached,
-			       void ** VirtualAddress,
+			       void **VirtualAddress,
 			       dma_addr_t *PhysicalAddress);
 
 void RTMP_FreeDescMemory(struct rt_rtmp_adapter *pAd,
@@ -3605,30 +3594,29 @@ void *RtmpOSNetPktAlloc(struct rt_rtmp_adapter *pAd, IN int size);
 void *RTMP_AllocateRxPacketBuffer(struct rt_rtmp_adapter *pAd,
 					 unsigned long Length,
 					 IN BOOLEAN Cached,
-					 void ** VirtualAddress,
-					 OUT dma_addr_t *
-					 PhysicalAddress);
+					 void **VirtualAddress,
+					 OUT dma_addr_t *PhysicalAddress);
 
 void *RTMP_AllocateTxPacketBuffer(struct rt_rtmp_adapter *pAd,
 					 unsigned long Length,
 					 IN BOOLEAN Cached,
-					 void ** VirtualAddress);
+					 void **VirtualAddress);
 
 void *RTMP_AllocateFragPacketBuffer(struct rt_rtmp_adapter *pAd,
 					   unsigned long Length);
 
 void RTMP_QueryPacketInfo(void *pPacket,
 			  struct rt_packet_info *pPacketInfo,
-			  u8 ** pSrcBufVA, u32 * pSrcBufLen);
+			  u8 **pSrcBufVA, u32 *pSrcBufLen);
 
-void RTMP_QueryNextPacketInfo(void ** ppPacket,
+void RTMP_QueryNextPacketInfo(void **ppPacket,
 			      struct rt_packet_info *pPacketInfo,
-			      u8 ** pSrcBufVA, u32 * pSrcBufLen);
+			      u8 **pSrcBufVA, u32 *pSrcBufLen);
 
 BOOLEAN RTMP_FillTxBlkInfo(struct rt_rtmp_adapter *pAd, struct rt_tx_blk *pTxBlk);
 
-struct rt_rtmp_sg_list *
-rt_get_sg_list_from_packet(void *pPacket, struct rt_rtmp_sg_list *sg);
+struct rt_rtmp_sg_list *rt_get_sg_list_from_packet(void *pPacket,
+						struct rt_rtmp_sg_list *sg);
 
 void announce_802_3_packet(struct rt_rtmp_adapter *pAd, void *pPacket);
 
@@ -3717,23 +3705,19 @@ void wlan_802_11_to_802_3_packet(struct rt_rtmp_adapter *pAd,
 {																				\
 	u8 *_pRemovedLLCSNAP = NULL, *_pDA, *_pSA;                                 \
 																				\
-	if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_MESH))                                    \
-	{                                                                           \
+	if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_MESH))	{            \
 		_pDA = _pRxBlk->pHeader->Addr3;                                         \
 		_pSA = (u8 *)_pRxBlk->pHeader + sizeof(struct rt_header_802_11);                \
 	}                                                                           \
-	else                                                                        \
-	{                                                                           \
-		if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_INFRA))                              	\
-		{                                                                       \
+	else	{\
+		if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_INFRA))	{\
 			_pDA = _pRxBlk->pHeader->Addr1;                                     \
 		if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_DLS))									\
 			_pSA = _pRxBlk->pHeader->Addr2;										\
 		else																	\
 			_pSA = _pRxBlk->pHeader->Addr3;                                     \
 		}                                                                       \
-		else                                                                    \
-		{                                                                       \
+		else	{	\
 			_pDA = _pRxBlk->pHeader->Addr1;                                     \
 			_pSA = _pRxBlk->pHeader->Addr2;                                     \
 		}                                                                       \
@@ -3771,8 +3755,8 @@ void Update_Rssi_Sample(struct rt_rtmp_adapter *pAd,
 
 void *GetPacketFromRxRing(struct rt_rtmp_adapter *pAd,
 				 OUT PRT28XX_RXD_STRUC pSaveRxD,
-				 OUT BOOLEAN * pbReschedule,
-				 IN u32 * pRxPending);
+				 OUT BOOLEAN *pbReschedule,
+				 IN u32 *pRxPending);
 
 void *RTMPDeFragmentDataFrame(struct rt_rtmp_adapter *pAd, struct rt_rx_blk *pRxBlk);
 
@@ -3919,24 +3903,24 @@ BOOLEAN RtmpRaDevCtrlExit(struct rt_rtmp_adapter *pAd);
 /* */
 u16 RtmpPCI_WriteTxResource(struct rt_rtmp_adapter *pAd,
 			       struct rt_tx_blk *pTxBlk,
-			       IN BOOLEAN bIsLast, u16 * FreeNumber);
+			       IN BOOLEAN bIsLast, u16 *FreeNumber);
 
 u16 RtmpPCI_WriteSingleTxResource(struct rt_rtmp_adapter *pAd,
 				     struct rt_tx_blk *pTxBlk,
 				     IN BOOLEAN bIsLast,
-				     u16 * FreeNumber);
+				     u16 *FreeNumber);
 
 u16 RtmpPCI_WriteMultiTxResource(struct rt_rtmp_adapter *pAd,
 				    struct rt_tx_blk *pTxBlk,
-				    u8 frameNum, u16 * FreeNumber);
+				    u8 frameNum, u16 *FreeNumber);
 
 u16 RtmpPCI_WriteFragTxResource(struct rt_rtmp_adapter *pAd,
 				   struct rt_tx_blk *pTxBlk,
-				   u8 fragNum, u16 * FreeNumber);
+				   u8 fragNum, u16 *FreeNumber);
 
 u16 RtmpPCI_WriteSubTxResource(struct rt_rtmp_adapter *pAd,
 				  struct rt_tx_blk *pTxBlk,
-				  IN BOOLEAN bIsLast, u16 * FreeNumber);
+				  IN BOOLEAN bIsLast, u16 *FreeNumber);
 
 void RtmpPCI_FinalWriteTxResource(struct rt_rtmp_adapter *pAd,
 				  struct rt_tx_blk *pTxBlk,
@@ -3955,8 +3939,8 @@ int RtmpPCIMgmtKickOut(struct rt_rtmp_adapter *pAd,
 		       u8 *pSrcBufVA, u32 SrcBufLen);
 
 int RTMPCheckRxError(struct rt_rtmp_adapter *pAd,
-			     struct rt_header_802_11 * pHeader,
-			     struct rt_rxwi * pRxWI, IN PRT28XX_RXD_STRUC pRxD);
+			     struct rt_header_802_11 *pHeader,
+			     struct rt_rxwi *pRxWI, IN PRT28XX_RXD_STRUC pRxD);
 
 BOOLEAN RT28xxPciAsicRadioOff(struct rt_rtmp_adapter *pAd,
 			      u8 Level, u16 TbttNumToNextWakeUp);
@@ -4138,15 +4122,15 @@ void append_pkt(struct rt_rtmp_adapter *pAd,
 		u8 *pHeader802_3,
 		u32 HdrLen,
 		u8 *pData,
-		unsigned long DataSize, void ** ppPacket);
+		unsigned long DataSize, void **ppPacket);
 
 u32 deaggregate_AMSDU_announce(struct rt_rtmp_adapter *pAd,
 				void *pPacket,
 				u8 *pData, unsigned long DataSize);
 
 int RTMPCheckRxError(struct rt_rtmp_adapter *pAd,
-			     struct rt_header_802_11 * pHeader,
-			     struct rt_rxwi * pRxWI,
+			     struct rt_header_802_11 *pHeader,
+			     struct rt_rxwi *pRxWI,
 			     IN PRT28XX_RXD_STRUC pRxINFO);
 
 void RTUSBMlmeHardTransmit(struct rt_rtmp_adapter *pAd, struct rt_mgmt *pMgmt);
@@ -4173,20 +4157,20 @@ void RTMPWriteTxInfo(struct rt_rtmp_adapter *pAd,
 /* */
 u16 RtmpUSB_WriteSubTxResource(struct rt_rtmp_adapter *pAd,
 				  struct rt_tx_blk *pTxBlk,
-				  IN BOOLEAN bIsLast, u16 * FreeNumber);
+				  IN BOOLEAN bIsLast, u16 *FreeNumber);
 
 u16 RtmpUSB_WriteSingleTxResource(struct rt_rtmp_adapter *pAd,
 				     struct rt_tx_blk *pTxBlk,
 				     IN BOOLEAN bIsLast,
-				     u16 * FreeNumber);
+				     u16 *FreeNumber);
 
 u16 RtmpUSB_WriteFragTxResource(struct rt_rtmp_adapter *pAd,
 				   struct rt_tx_blk *pTxBlk,
-				   u8 fragNum, u16 * FreeNumber);
+				   u8 fragNum, u16 *FreeNumber);
 
 u16 RtmpUSB_WriteMultiTxResource(struct rt_rtmp_adapter *pAd,
 				    struct rt_tx_blk *pTxBlk,
-				    u8 frameNum, u16 * FreeNumber);
+				    u8 frameNum, u16 *FreeNumber);
 
 void RtmpUSB_FinalWriteTxResource(struct rt_rtmp_adapter *pAd,
 				  struct rt_tx_blk *pTxBlk,
@@ -4205,7 +4189,7 @@ int RtmpUSBMgmtKickOut(struct rt_rtmp_adapter *pAd,
 
 void RtmpUSBNullFrameKickOut(struct rt_rtmp_adapter *pAd,
 			     u8 QueIdx,
-			     u8 * pNullFrame, u32 frameLen);
+			     u8 *pNullFrame, u32 frameLen);
 
 void RtmpUsbStaAsicForceWakeupTimeout(void *SystemSpecific1,
 				      void *FunctionContext,
@@ -4245,9 +4229,9 @@ void AsicStaBbpTuning(struct rt_rtmp_adapter *pAd);
 BOOLEAN StaAddMacTableEntry(struct rt_rtmp_adapter *pAd,
 			    struct rt_mac_table_entry *pEntry,
 			    u8 MaxSupportedRateIn500Kbps,
-			    struct rt_ht_capability_ie * pHtCapability,
+			    struct rt_ht_capability_ie *pHtCapability,
 			    u8 HtCapabilityLen,
-			    struct rt_add_ht_info_ie * pAddHtInfo,
+			    struct rt_add_ht_info_ie *pAddHtInfo,
 			    u8 AddHtInfoLen, u16 CapabilityInfo);
 
 BOOLEAN AUTH_ReqSend(struct rt_rtmp_adapter *pAd,
@@ -4313,7 +4297,7 @@ void RtmpOSNetDevClose(struct net_device *pNetDev);
 
 void RtmpOSNetDevDetach(struct net_device *pNetDev);
 
-int RtmpOSNetDevAlloc(struct net_device ** pNewNetDev, u32 privDataSize);
+int RtmpOSNetDevAlloc(struct net_device **pNewNetDev, u32 privDataSize);
 
 void RtmpOSNetDevFree(struct net_device *pNetDev);
 

From cd20decf7ef49983e973ebd6a76a0000cd26cd2a Mon Sep 17 00:00:00 2001
From: Steven Harms <sjharms@gmail.com>
Date: Sun, 14 Mar 2010 11:56:00 -0400
Subject: [PATCH 0926/3638] Staging: otus: Remove mix of tabs and spaces with
 just tabs in ioctl.c

Previously defines had a mix of both tabs and spaces, causing an error
in the checkpatch tool.  These tabs and spaces have been consolidated to
only tabs.

Signed-off-by: Steven Harms <sharms@ubuntu.com>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/ioctl.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/otus/ioctl.c b/drivers/staging/otus/ioctl.c
index 84be4b2cd69..b9dd943e07a 100644
--- a/drivers/staging/otus/ioctl.c
+++ b/drivers/staging/otus/ioctl.c
@@ -30,34 +30,34 @@
 
 #include "usbdrv.h"
 
-#define ZD_IOCTL_WPA			    (SIOCDEVPRIVATE + 1)
-#define ZD_IOCTL_PARAM			    (SIOCDEVPRIVATE + 2)
-#define ZD_IOCTL_GETWPAIE		    (SIOCDEVPRIVATE + 3)
+#define ZD_IOCTL_WPA			(SIOCDEVPRIVATE + 1)
+#define ZD_IOCTL_PARAM			(SIOCDEVPRIVATE + 2)
+#define ZD_IOCTL_GETWPAIE		(SIOCDEVPRIVATE + 3)
 #ifdef ZM_ENABLE_CENC
-#define ZM_IOCTL_CENC               (SIOCDEVPRIVATE + 4)
+#define ZM_IOCTL_CENC			(SIOCDEVPRIVATE + 4)
 #endif  /* ZM_ENABLE_CENC */
-#define ZD_PARAM_ROAMING		    0x0001
-#define ZD_PARAM_PRIVACY		    0x0002
-#define ZD_PARAM_WPA			    0x0003
+#define ZD_PARAM_ROAMING		0x0001
+#define ZD_PARAM_PRIVACY		0x0002
+#define ZD_PARAM_WPA			0x0003
 #define ZD_PARAM_COUNTERMEASURES	0x0004
 #define ZD_PARAM_DROPUNENCRYPTED	0x0005
-#define ZD_PARAM_AUTH_ALGS		    0x0006
-#define ZD_PARAM_WPS_FILTER		    0x0007
+#define ZD_PARAM_AUTH_ALGS		0x0006
+#define ZD_PARAM_WPS_FILTER		0x0007
 
 #ifdef ZM_ENABLE_CENC
 #define P80211_PACKET_CENCFLAG		0x0001
 #endif  /* ZM_ENABLE_CENC */
-#define P80211_PACKET_SETKEY     	0x0003
+#define P80211_PACKET_SETKEY		0x0003
 
 #define ZD_CMD_SET_ENCRYPT_KEY		0x0001
-#define ZD_CMD_SET_MLME			    0x0002
-#define ZD_CMD_SCAN_REQ			    0x0003
+#define ZD_CMD_SET_MLME			0x0002
+#define ZD_CMD_SCAN_REQ			0x0003
 #define ZD_CMD_SET_GENERIC_ELEMENT	0x0004
-#define ZD_CMD_GET_TSC			    0x0005
+#define ZD_CMD_GET_TSC			0x0005
 
 #define ZD_CRYPT_ALG_NAME_LEN		16
-#define ZD_MAX_KEY_SIZE			    32
-#define ZD_MAX_GENERIC_SIZE		    64
+#define ZD_MAX_KEY_SIZE			32
+#define ZD_MAX_GENERIC_SIZE		64
 
 #include <net/iw_handler.h>
 

From 263974d918474d17b5963d0b22fbc81729ce0479 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sun, 28 Mar 2010 14:48:10 +0300
Subject: [PATCH 0927/3638] Staging: otus: hpani: using the wrong variable

We're updating the "HpPriv->ani" array here so we should use that to
determine the end of the for loop.  "HpPriv->ani" has 50 elements and
"wd->regulationTable.allowChannel" has 59 elements.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpani.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/otus/hal/hpani.c b/drivers/staging/otus/hal/hpani.c
index 0afecd8c2de..d401504f200 100644
--- a/drivers/staging/otus/hal/hpani.c
+++ b/drivers/staging/otus/hal/hpani.c
@@ -96,7 +96,7 @@ void zfHpAniAttach(zdev_t* dev)
     HpPriv->hasHwPhyCounters = 1;
 
     memset((char *)&HpPriv->ani, 0, sizeof(HpPriv->ani));
-    for (i = 0; i < N(wd->regulationTable.allowChannel); i++)
+    for (i = 0; i < ARRAY_SIZE(HpPriv->ani); i++)
     {
         /* New ANI stuff */
         HpPriv->ani[i].ofdmTrigHigh = ZM_HAL_ANI_OFDM_TRIG_HIGH;

From b4001982bcd79e9685bc09f68a05526f8c5887c7 Mon Sep 17 00:00:00 2001
From: Vikram Dhillon <opensolarisdev@gmail.com>
Date: Sun, 4 Apr 2010 01:22:53 -0400
Subject: [PATCH 0928/3638] Staging: Otus: Hal: hpani.c Fixed some style issues

Fixed some style issues in accordance with checkpatch.pl

Signed-by: Vikram Dhillon <opensolarisdev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpani.c | 33 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/otus/hal/hpani.c b/drivers/staging/otus/hal/hpani.c
index d401504f200..f53e483b394 100644
--- a/drivers/staging/otus/hal/hpani.c
+++ b/drivers/staging/otus/hal/hpani.c
@@ -18,8 +18,8 @@
 #include "hpusb.h"
 
 
-extern u16_t zfDelayWriteInternalReg(zdev_t* dev, u32_t addr, u32_t val);
-extern u16_t zfFlushDelayWrite(zdev_t* dev);
+extern u16_t zfDelayWriteInternalReg(zdev_t *dev, u32_t addr, u32_t val);
+extern u16_t zfFlushDelayWrite(zdev_t *dev);
 
 /*
  * Anti noise immunity support.  We track phy errors and react
@@ -52,13 +52,13 @@ extern u16_t zfFlushDelayWrite(zdev_t* dev);
 #define ZM_HAL_EP_RND(x, mul) \
     ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
 
-s32_t BEACON_RSSI(zdev_t* dev)
+s32_t BEACON_RSSI(zdev_t *dev)
 {
     s32_t rssi;
     struct zsHpPriv *HpPriv;
 
     zmw_get_wlan_dev(dev);
-    HpPriv = (struct zsHpPriv*)wd->hpPrivate;
+    HpPriv = (struct zsHpPriv *)wd->hpPrivate;
 
     rssi = ZM_HAL_EP_RND(HpPriv->stats.ast_nodestats.ns_avgbrssi, ZM_HAL_RSSI_EP_MULTIPLIER);
 
@@ -70,7 +70,7 @@ s32_t BEACON_RSSI(zdev_t* dev)
  * resets the channel statistics
  */
 
-void zfHpAniAttach(zdev_t* dev)
+void zfHpAniAttach(zdev_t *dev)
 {
 #define N(a)     (sizeof(a) / sizeof(a[0]))
     u32_t i;
@@ -82,11 +82,10 @@ void zfHpAniAttach(zdev_t* dev)
     const int firpwr[]           = { -78, -78, -78, -78, -80 };
 
     zmw_get_wlan_dev(dev);
-    HpPriv = (struct zsHpPriv*)wd->hpPrivate;
+    HpPriv = (struct zsHpPriv *)wd->hpPrivate;
 
-    for (i = 0; i < 5; i++)
-    {
-        HpPriv->totalSizeDesired[i] = totalSizeDesired[i];
+    for (i = 0; i < 5; i++) {
+	HpPriv->totalSizeDesired[i] = totalSizeDesired[i];
         HpPriv->coarseHigh[i] = coarseHigh[i];
         HpPriv->coarseLow[i] = coarseLow[i];
         HpPriv->firpwr[i] = firpwr[i];
@@ -96,8 +95,7 @@ void zfHpAniAttach(zdev_t* dev)
     HpPriv->hasHwPhyCounters = 1;
 
     memset((char *)&HpPriv->ani, 0, sizeof(HpPriv->ani));
-    for (i = 0; i < ARRAY_SIZE(HpPriv->ani); i++)
-    {
+    for (i = 0; i < ARRAY_SIZE(HpPriv->ani); i++) {
         /* New ANI stuff */
         HpPriv->ani[i].ofdmTrigHigh = ZM_HAL_ANI_OFDM_TRIG_HIGH;
         HpPriv->ani[i].ofdmTrigLow = ZM_HAL_ANI_OFDM_TRIG_LOW;
@@ -109,14 +107,12 @@ void zfHpAniAttach(zdev_t* dev)
         HpPriv->ani[i].cckWeakSigThreshold = ZM_HAL_ANI_CCK_WEAK_SIG_THR;
         HpPriv->ani[i].spurImmunityLevel = ZM_HAL_ANI_SPUR_IMMUNE_LVL;
         HpPriv->ani[i].firstepLevel = ZM_HAL_ANI_FIRSTEP_LVL;
-        if (HpPriv->hasHwPhyCounters)
-        {
+        if (HpPriv->hasHwPhyCounters) {
             HpPriv->ani[i].ofdmPhyErrBase = 0;//AR_PHY_COUNTMAX - ZM_HAL_ANI_OFDM_TRIG_HIGH;
             HpPriv->ani[i].cckPhyErrBase = 0;//AR_PHY_COUNTMAX - ZM_HAL_ANI_CCK_TRIG_HIGH;
         }
     }
-    if (HpPriv->hasHwPhyCounters)
-    {
+    if (HpPriv->hasHwPhyCounters) {
         //zm_debug_msg2("Setting OfdmErrBase = 0x", HpPriv->ani[0].ofdmPhyErrBase);
         //zm_debug_msg2("Setting cckErrBase = 0x", HpPriv->ani[0].cckPhyErrBase);
         //OS_REG_WRITE(ah, AR_PHY_ERR_1, HpPriv->ani[0].ofdmPhyErrBase);
@@ -135,7 +131,7 @@ void zfHpAniAttach(zdev_t* dev)
 /*
  * Control Adaptive Noise Immunity Parameters
  */
-u8_t zfHpAniControl(zdev_t* dev, ZM_HAL_ANI_CMD cmd, int param)
+u8_t zfHpAniControl(zdev_t *dev, ZM_HAL_ANI_CMD cmd, int param)
 {
 #define N(a) (sizeof(a)/sizeof(a[0]))
     typedef s32_t TABLE[];
@@ -143,7 +139,7 @@ u8_t zfHpAniControl(zdev_t* dev, ZM_HAL_ANI_CMD cmd, int param)
     struct zsAniState *aniState;
 
     zmw_get_wlan_dev(dev);
-    HpPriv = (struct zsHpPriv*)wd->hpPrivate;
+    HpPriv = (struct zsHpPriv *)wd->hpPrivate;
     aniState = HpPriv->curani;
 
     switch (cmd)
@@ -152,8 +148,7 @@ u8_t zfHpAniControl(zdev_t* dev, ZM_HAL_ANI_CMD cmd, int param)
     {
         u32_t level = param;
 
-        if (level >= N(HpPriv->totalSizeDesired))
-        {
+        if (level >= N(HpPriv->totalSizeDesired)) {
           zm_debug_msg1("level out of range, desired level : ", level);
           zm_debug_msg1("max level : ", N(HpPriv->totalSizeDesired));
           return FALSE;

From f4d52b072d35ad2cc3720af65853e6fcc9d8414f Mon Sep 17 00:00:00 2001
From: Peter Huewe <peterhuewe@gmx.de>
Date: Tue, 27 Apr 2010 00:34:49 +0200
Subject: [PATCH 0929/3638] Staging: otus: Add null check and fix coding style
 issue

This patch removes mixing of declarations and code and adds a null-test
after a kmalloc.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/ioctl.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/otus/ioctl.c b/drivers/staging/otus/ioctl.c
index b9dd943e07a..a48c8e4a9ea 100644
--- a/drivers/staging/otus/ioctl.c
+++ b/drivers/staging/otus/ioctl.c
@@ -867,6 +867,7 @@ int usbdrvwext_giwscan(struct net_device *dev,
 	char *current_ev = extra;
 	char *end_buf;
 	int i;
+	struct zsBssListV1 *pBssList;
 	/* BssList = wd->sta.pBssList; */
 	/* zmw_get_wlan_dev(dev); */
 
@@ -874,8 +875,10 @@ int usbdrvwext_giwscan(struct net_device *dev,
 		return 0;
 
 	/* struct zsBssList BssList; */
-	struct zsBssListV1 *pBssList = kmalloc(sizeof(struct zsBssListV1),
-								GFP_KERNEL);
+	pBssList = kmalloc(sizeof(struct zsBssListV1), GFP_KERNEL);
+	if (pBssList == NULL)
+		return -ENOMEM;
+
 	if (data->length == 0)
 		end_buf = extra + IW_SCAN_MAX_DATA;
 	else

From ec8f002e6dbd6a55b79544f72ea5760ca69e225e Mon Sep 17 00:00:00 2001
From: Steven Harms <sjharms@gmail.com>
Date: Thu, 18 Mar 2010 10:15:59 -0400
Subject: [PATCH 0930/3638] Staging: vt6655: Convert C99 style comments, remove
 spaces between function definitions and parenthesis

Converted C99 style comments to kernel style guideline complianet
comments.  Removed spaces between function definitions and parenthesis.
These were indicated as problems by checkpatch tool.

Fixed typo found by Gabor Stefanik

Signed-off-by: Steven Harms <sharms@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/srom.c | 50 +++++++++++++++++------------------
 1 file changed, 25 insertions(+), 25 deletions(-)

diff --git a/drivers/staging/vt6655/srom.c b/drivers/staging/vt6655/srom.c
index 5a7c6ca724b..fb7a6468cab 100644
--- a/drivers/staging/vt6655/srom.c
+++ b/drivers/staging/vt6655/srom.c
@@ -85,15 +85,15 @@ BYTE SROMbyReadEmbedded(DWORD_PTR dwIoBase, BYTE byContntOffset)
 
     byData = 0xFF;
     VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
-    // turn off hardware retry for getting NACK
+    /* turn off hardware retry for getting NACK */
     VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, (byOrg & (~I2MCFG_NORETRY)));
     for (wNoACK = 0; wNoACK < W_MAX_I2CRETRY; wNoACK++) {
         VNSvOutPortB(dwIoBase + MAC_REG_I2MTGID, EEP_I2C_DEV_ID);
         VNSvOutPortB(dwIoBase + MAC_REG_I2MTGAD, byContntOffset);
 
-        // issue read command
+        /* issue read command */
         VNSvOutPortB(dwIoBase + MAC_REG_I2MCSR, I2MCSR_EEMR);
-        // wait DONE be set
+        /* wait DONE be set */
         for (wDelay = 0; wDelay < W_MAX_TIMEOUT; wDelay++) {
             VNSvInPortB(dwIoBase + MAC_REG_I2MCSR, &byWait);
             if (byWait & (I2MCSR_DONE | I2MCSR_NACK))
@@ -125,7 +125,7 @@ BYTE SROMbyReadEmbedded(DWORD_PTR dwIoBase, BYTE byContntOffset)
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL SROMbWriteEmbedded (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byData)
+BOOL SROMbWriteEmbedded(DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byData)
 {
     WORD    wDelay, wNoACK;
     BYTE    byWait;
@@ -133,16 +133,16 @@ BOOL SROMbWriteEmbedded (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byData)
     BYTE    byOrg;
 
     VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
-    // turn off hardware retry for getting NACK
+    /* turn off hardware retry for getting NACK */
     VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, (byOrg & (~I2MCFG_NORETRY)));
     for (wNoACK = 0; wNoACK < W_MAX_I2CRETRY; wNoACK++) {
         VNSvOutPortB(dwIoBase + MAC_REG_I2MTGID, EEP_I2C_DEV_ID);
         VNSvOutPortB(dwIoBase + MAC_REG_I2MTGAD, byContntOffset);
         VNSvOutPortB(dwIoBase + MAC_REG_I2MDOPT, byData);
 
-        // issue write command
+        /* issue write command */
         VNSvOutPortB(dwIoBase + MAC_REG_I2MCSR, I2MCSR_EEMW);
-        // wait DONE be set
+        /* wait DONE be set */
         for (wDelay = 0; wDelay < W_MAX_TIMEOUT; wDelay++) {
             VNSvInPortB(dwIoBase + MAC_REG_I2MCSR, &byWait);
             if (byWait & (I2MCSR_DONE | I2MCSR_NACK))
@@ -178,7 +178,7 @@ BOOL SROMbWriteEmbedded (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byData)
  * Return Value: none
  *
  */
-void SROMvRegBitsOn (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byBits)
+void SROMvRegBitsOn(DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byBits)
 {
     BYTE    byOrgData;
 
@@ -199,7 +199,7 @@ void SROMvRegBitsOn (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byBits)
  *      none
  *
  */
-void SROMvRegBitsOff (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byBits)
+void SROMvRegBitsOff(DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byBits)
 {
     BYTE    byOrgData;
 
@@ -222,7 +222,7 @@ void SROMvRegBitsOff (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byBits)
  * Return Value: TRUE if all test bits on; otherwise FALSE
  *
  */
-BOOL SROMbIsRegBitsOn (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byTestBits)
+BOOL SROMbIsRegBitsOn(DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byTestBits)
 {
     BYTE    byOrgData;
 
@@ -245,7 +245,7 @@ BOOL SROMbIsRegBitsOn (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byTestBits)
  * Return Value: TRUE if all test bits off; otherwise FALSE
  *
  */
-BOOL SROMbIsRegBitsOff (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byTestBits)
+BOOL SROMbIsRegBitsOff(DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byTestBits)
 {
     BYTE    byOrgData;
 
@@ -266,11 +266,11 @@ BOOL SROMbIsRegBitsOff (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byTestBits
  * Return Value: none
  *
  */
-void SROMvReadAllContents (DWORD_PTR dwIoBase, PBYTE pbyEepromRegs)
+void SROMvReadAllContents(DWORD_PTR dwIoBase, PBYTE pbyEepromRegs)
 {
     int     ii;
 
-    // ii = Rom Address
+    /* ii = Rom Address */
     for (ii = 0; ii < EEP_MAX_CONTEXT_SIZE; ii++) {
         *pbyEepromRegs = SROMbyReadEmbedded(dwIoBase,(BYTE) ii);
         pbyEepromRegs++;
@@ -291,11 +291,11 @@ void SROMvReadAllContents (DWORD_PTR dwIoBase, PBYTE pbyEepromRegs)
  * Return Value: none
  *
  */
-void SROMvWriteAllContents (DWORD_PTR dwIoBase, PBYTE pbyEepromRegs)
+void SROMvWriteAllContents(DWORD_PTR dwIoBase, PBYTE pbyEepromRegs)
 {
     int     ii;
 
-    // ii = Rom Address
+    /* ii = Rom Address */
     for (ii = 0; ii < EEP_MAX_CONTEXT_SIZE; ii++) {
         SROMbWriteEmbedded(dwIoBase,(BYTE) ii, *pbyEepromRegs);
         pbyEepromRegs++;
@@ -315,11 +315,11 @@ void SROMvWriteAllContents (DWORD_PTR dwIoBase, PBYTE pbyEepromRegs)
  * Return Value: none
  *
  */
-void SROMvReadEtherAddress (DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
+void SROMvReadEtherAddress(DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
 {
     BYTE     ii;
 
-    // ii = Rom Address
+    /* ii = Rom Address */
     for (ii = 0; ii < U_ETHER_ADDR_LEN; ii++) {
         *pbyEtherAddress = SROMbyReadEmbedded(dwIoBase, ii);
         pbyEtherAddress++;
@@ -340,11 +340,11 @@ void SROMvReadEtherAddress (DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
  * Return Value: none
  *
  */
-void SROMvWriteEtherAddress (DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
+void SROMvWriteEtherAddress(DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
 {
     BYTE     ii;
 
-    // ii = Rom Address
+    /* ii = Rom Address */
     for (ii = 0; ii < U_ETHER_ADDR_LEN; ii++) {
         SROMbWriteEmbedded(dwIoBase, ii, *pbyEtherAddress);
         pbyEtherAddress++;
@@ -364,15 +364,15 @@ void SROMvWriteEtherAddress (DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
  * Return Value: none
  *
  */
-void SROMvReadSubSysVenId (DWORD_PTR dwIoBase, PDWORD pdwSubSysVenId)
+void SROMvReadSubSysVenId(DWORD_PTR dwIoBase, PDWORD pdwSubSysVenId)
 {
     PBYTE   pbyData;
 
     pbyData = (PBYTE)pdwSubSysVenId;
-    // sub vendor
+    /* sub vendor */
     *pbyData = SROMbyReadEmbedded(dwIoBase, 6);
     *(pbyData+1) = SROMbyReadEmbedded(dwIoBase, 7);
-    // sub system
+    /* sub system */
     *(pbyData+2) = SROMbyReadEmbedded(dwIoBase, 8);
     *(pbyData+3) = SROMbyReadEmbedded(dwIoBase, 9);
 }
@@ -389,7 +389,7 @@ void SROMvReadSubSysVenId (DWORD_PTR dwIoBase, PDWORD pdwSubSysVenId)
  * Return Value: TRUE if success; otherwise FALSE
  *
  */
-BOOL SROMbAutoLoad (DWORD_PTR dwIoBase)
+BOOL SROMbAutoLoad(DWORD_PTR dwIoBase)
 {
     BYTE    byWait;
     int     ii;
@@ -397,12 +397,12 @@ BOOL SROMbAutoLoad (DWORD_PTR dwIoBase)
     BYTE    byOrg;
 
     VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
-    // turn on hardware retry
+    /* turn on hardware retry */
     VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, (byOrg | I2MCFG_NORETRY));
 
     MACvRegBitsOn(dwIoBase, MAC_REG_I2MCSR, I2MCSR_AUTOLD);
 
-    // ii = Rom Address
+    /* ii = Rom Address */
     for (ii = 0; ii < EEP_MAX_CONTEXT_SIZE; ii++) {
         MACvTimer0MicroSDelay(dwIoBase, CB_EEPROM_READBYTE_WAIT);
         VNSvInPortB(dwIoBase + MAC_REG_I2MCSR, &byWait);

From 646755ad9156eae5d19af5fd0e1a068f1f9d064c Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Mon, 22 Mar 2010 22:36:20 +0100
Subject: [PATCH 0931/3638] Staging: vt6655: CGI/CSI confusion in
 device_ioctl()

The wrong messages were printed

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/device_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index e40a2e990f4..fde352bc479 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -3328,7 +3328,7 @@ static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) {
 		break;
 
 	case SIOCSIWTXPOW:
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWTXPOW \n");
+        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWTXPOW \n");
         rc = -EOPNOTSUPP;
 		break;
 
@@ -3406,7 +3406,7 @@ static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) {
 		// Get the spy list
 	case SIOCGIWSPY:
 
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWSPY \n");
+        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWSPY \n");
 		rc = -EOPNOTSUPP;
 		break;
 

From 7c2c2eb7b2ea83e759d75bf362b161c264b98081 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:16:55 -0700
Subject: [PATCH 0932/3638] Staging: cx25821: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/cx25821/cx25821-core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/cx25821/cx25821-core.c b/drivers/staging/cx25821/cx25821-core.c
index 9e9b8c3c931..eee4dc7b194 100644
--- a/drivers/staging/cx25821/cx25821-core.c
+++ b/drivers/staging/cx25821/cx25821-core.c
@@ -1299,7 +1299,8 @@ int cx25821_risc_databuffer_audio(struct pci_dev *pci,
 	instructions = 1 + (bpl * lines) / PAGE_SIZE + lines;
 	instructions += 1;
 
-	if ((rc = btcx_riscmem_alloc(pci, risc, instructions * 12)) < 0)
+	rc = btcx_riscmem_alloc(pci, risc, instructions * 12);
+	if (rc < 0)
 		return rc;
 
 	/* write risc instructions */

From 92363b529f2ee08ee3fa14d590058e492ad49a1c Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:16:57 -0700
Subject: [PATCH 0933/3638] Staging: otus: 80211core: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/80211core/cagg.c     |  34 +++--
 drivers/staging/otus/80211core/ccmd.c     |   3 +-
 drivers/staging/otus/80211core/cfunc.c    |   3 +-
 drivers/staging/otus/80211core/cic.c      |   9 +-
 drivers/staging/otus/80211core/cinit.c    |   3 +-
 drivers/staging/otus/80211core/cmm.c      | 144 ++++++++++++++--------
 drivers/staging/otus/80211core/cmmap.c    | 103 ++++++++++------
 drivers/staging/otus/80211core/cmmsta.c   | 123 +++++++++++-------
 drivers/staging/otus/80211core/coid.c     |   3 +-
 drivers/staging/otus/80211core/cpsmgr.c   |   3 +-
 drivers/staging/otus/80211core/ctxrx.c    |  81 +++++++-----
 drivers/staging/otus/80211core/queue.c    |   5 +-
 drivers/staging/otus/80211core/ratectrl.c |   3 +-
 13 files changed, 339 insertions(+), 178 deletions(-)

diff --git a/drivers/staging/otus/80211core/cagg.c b/drivers/staging/otus/80211core/cagg.c
index f9514c06c14..c3cef1a02aa 100644
--- a/drivers/staging/otus/80211core/cagg.c
+++ b/drivers/staging/otus/80211core/cagg.c
@@ -2485,7 +2485,7 @@ void zfAggTxRetransmit(zdev_t* dev, struct bufInfo *buf_info, struct aggControl
         BAW->insert(dev, buf_info->buf, tid_tx->bar_ssn >> 4, aggControl->tid_baw, buf_info->baw_retransmit, &header_r);
     }*/
 
-    if ((err = zfHpSend(dev,
+    err = zfHpSend(dev,
                     buf_info->baw_header->header,
                     buf_info->baw_header->headerLen,
                     buf_info->baw_header->snap,
@@ -2496,7 +2496,8 @@ void zfAggTxRetransmit(zdev_t* dev, struct bufInfo *buf_info, struct aggControl
                     buf_info->baw_header->removeLen,
                     ZM_EXTERNAL_ALLOC_BUF,
                     (u8_t)tid_tx->ac,
-                    buf_info->baw_header->keyIdx)) != ZM_SUCCESS)
+                    buf_info->baw_header->keyIdx);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
@@ -2797,9 +2798,10 @@ u16_t zfAggTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port, u16_t bufType, u8_t f
             BAW->insert(dev, buf, tid_tx->bar_ssn >> 4, aggControl->tid_baw, 0, &header_r);
         }*/
 
-        if ((err = zfHpSend(dev, header, headerLen, snap, snapLen,
+        err = zfHpSend(dev, header, headerLen, snap, snapLen,
                              mic, micLen, frag.buf[i], removeLen,
-                             frag.bufType[i], zcUpToAc[up&0x7], keyIdx)) != ZM_SUCCESS)
+                             frag.bufType[i], zcUpToAc[up&0x7], keyIdx);
+        if (err != ZM_SUCCESS)
         {
             goto zlError;
         }
@@ -2849,7 +2851,8 @@ u16_t   zfAggSendAddbaRequest(zdev_t* dev, u16_t *dst, u16_t ac, u16_t up)
     /*
      * TBD : Maximum size of management frame
      */
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
         return ZM_SUCCESS;
@@ -2892,8 +2895,9 @@ u16_t   zfAggSendAddbaRequest(zdev_t* dev, u16_t *dst, u16_t ac, u16_t up)
     //zm_msg2_mm(ZM_LV_2, "buf->data=", buf->data);
 
     #if 0
-    if ((err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
-            ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
+    err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
+		   ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
@@ -3290,7 +3294,8 @@ u16_t   zfAggSendAddbaResponse(zdev_t* dev, struct aggBaFrameParameter *bf)
     /*
      * TBD : Maximum size of management frame
      */
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
         return ZM_SUCCESS;
@@ -3337,8 +3342,9 @@ u16_t   zfAggSendAddbaResponse(zdev_t* dev, struct aggBaFrameParameter *bf)
     //zm_msg2_mm(ZM_LV_2, "buf->data=", buf->data);
 
     #if 0
-    if ((err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
-            ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
+    err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
+		   ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
@@ -3443,7 +3449,8 @@ u16_t   zfAggSendBar(zdev_t* dev, TID_TX tid_tx, struct aggBarControl *aggBarCon
     /*
      * TBD : Maximum size of management frame
      */
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
         return ZM_SUCCESS;
@@ -3486,8 +3493,9 @@ u16_t   zfAggSendBar(zdev_t* dev, TID_TX tid_tx, struct aggBarControl *aggBarCon
     //zm_msg2_mm(ZM_LV_2, "buf->data=", buf->data);
 
     #if 0
-    if ((err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
-            ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
+    err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
+		   ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
diff --git a/drivers/staging/otus/80211core/ccmd.c b/drivers/staging/otus/80211core/ccmd.c
index 3e3d9b500f6..ab300df0201 100644
--- a/drivers/staging/otus/80211core/ccmd.c
+++ b/drivers/staging/otus/80211core/ccmd.c
@@ -1436,7 +1436,8 @@ u16_t zfiWlanDeauth(zdev_t *dev, u16_t *macAddr, u16_t reason)
 		*/
 
 		/*
-		if ((id = zfApFindSta(dev, macAddr)) != 0xffff)
+		id = zfApFindSta(dev, macAddr);
+		if (id != 0xffff)
 		{
 			u32_t key[8];
 			u16_t nullAddr[3] = { 0x0, 0x0, 0x0 };
diff --git a/drivers/staging/otus/80211core/cfunc.c b/drivers/staging/otus/80211core/cfunc.c
index e0a9f383c75..3b9341b13c0 100644
--- a/drivers/staging/otus/80211core/cfunc.c
+++ b/drivers/staging/otus/80211core/cfunc.c
@@ -1072,7 +1072,8 @@ u16_t zfFindCleanFrequency(zdev_t* dev, u32_t adhocMode)
 
     zmw_get_wlan_dev(dev);
 
-    if ((pBssInfo = wd->sta.bssList.head) == NULL)
+    pBssInfo = wd->sta.bssList.head;
+    if (pBssInfo == NULL)
     {
         if( adhocMode == ZM_ADHOCBAND_B || adhocMode == ZM_ADHOCBAND_G ||
             adhocMode == ZM_ADHOCBAND_BG || adhocMode == ZM_ADHOCBAND_ABG )
diff --git a/drivers/staging/otus/80211core/cic.c b/drivers/staging/otus/80211core/cic.c
index c84f079e3d8..53c09a0935f 100644
--- a/drivers/staging/otus/80211core/cic.c
+++ b/drivers/staging/otus/80211core/cic.c
@@ -329,7 +329,8 @@ void zfCoreEvent(zdev_t* dev, u16_t event, u8_t* rsp)
         if (wd->wlanMode == ZM_MODE_AP)
         {
             zmw_enter_critical_section(dev);
-            if ((i=zfApFindSta(dev, (u16_t*)rsp)) != 0xffff)
+            i = zfApFindSta(dev, (u16_t*)rsp);
+            if (i != 0xffff)
             {
                 zfRateCtrlTxFailEvent(dev, &wd->ap.staTable[i].rcCell, 0,(u32_t)zfPhyCtrlToRate(retryRate));
             }
@@ -357,7 +358,8 @@ void zfCoreEvent(zdev_t* dev, u16_t event, u8_t* rsp)
         if (wd->wlanMode == ZM_MODE_AP)
         {
             zmw_enter_critical_section(dev);
-            if ((i=zfApFindSta(dev, (u16_t*)rsp)) != 0xffff)
+            i = zfApFindSta(dev, (u16_t*)rsp);
+            if (i != 0xffff)
             {
                 zfRateCtrlTxFailEvent(dev, &wd->ap.staTable[i].rcCell, 0,(u32_t)zfPhyCtrlToRate(retryRate));
             }
@@ -387,7 +389,8 @@ void zfCoreEvent(zdev_t* dev, u16_t event, u8_t* rsp)
         if (wd->wlanMode == ZM_MODE_AP)
         {
             zmw_enter_critical_section(dev);
-            if ((i=zfApFindSta(dev, (u16_t*)rsp)) != 0xffff)
+            i = zfApFindSta(dev, (u16_t*)rsp);
+            if (i != 0xffff)
             {
                 zfRateCtrlTxSuccessEvent(dev, &wd->ap.staTable[i].rcCell, zfPhyCtrlToRate(retryRate));
             }
diff --git a/drivers/staging/otus/80211core/cinit.c b/drivers/staging/otus/80211core/cinit.c
index 5f853ce7930..11823311e9c 100644
--- a/drivers/staging/otus/80211core/cinit.c
+++ b/drivers/staging/otus/80211core/cinit.c
@@ -622,7 +622,8 @@ u16_t zfTxGenWlanHeader(zdev_t* dev, zbuf_t* buf, u16_t* header, u16_t seq,
             phyCtrl = 0xc0001;   //PHY control L
 
             /* WDS port checking */
-            if ((wdsPort = (port - 0x20)) >= ZM_MAX_WDS_SUPPORT)
+            wdsPort = port - 0x20;
+            if (wdsPort >= ZM_MAX_WDS_SUPPORT)
             {
                 wdsPort = 0;
             }
diff --git a/drivers/staging/otus/80211core/cmm.c b/drivers/staging/otus/80211core/cmm.c
index 484e753df35..007ef3b606a 100644
--- a/drivers/staging/otus/80211core/cmm.c
+++ b/drivers/staging/otus/80211core/cmm.c
@@ -83,7 +83,8 @@ u16_t zfFindElement(zdev_t* dev, zbuf_t* buf, u8_t eid)
 
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -107,10 +108,12 @@ u16_t zfFindElement(zdev_t* dev, zbuf_t* buf, u8_t eid)
     while ((offset+2)<bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == eid)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == eid)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > bufLen - offset)
             {
                 /* Element length error */
                 return 0xffff;
@@ -151,7 +154,8 @@ u16_t zfFindElement(zdev_t* dev, zbuf_t* buf, u8_t eid)
         #if 1
         elen = zmw_rx_buf_readb(dev, buf, offset+1);
         #else
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
@@ -194,7 +198,8 @@ u16_t zfFindWifiElement(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype)
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
 
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -207,10 +212,12 @@ u16_t zfFindWifiElement(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype)
     while ((offset+2)<bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == ZM_WLAN_EID_WIFI_IE)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > bufLen - offset)
             {
                 /* Element length error */
                 return 0xffff;
@@ -229,7 +236,8 @@ u16_t zfFindWifiElement(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype)
             {
                 if ( subtype != 0xff )
                 {
-                    if ( (tmp = zmw_rx_buf_readb(dev, buf, offset+6)) == subtype  )
+                    tmp = zmw_rx_buf_readb(dev, buf, offset+6);
+                    if (tmp == subtype)
                     {
                         return offset;
                     }
@@ -241,7 +249,8 @@ u16_t zfFindWifiElement(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype)
             }
         }
         /* Advance to next element */
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
@@ -348,7 +357,8 @@ u16_t zfFindSuperGElement(zdev_t* dev, zbuf_t* buf, u8_t type)
 
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -361,10 +371,12 @@ u16_t zfFindSuperGElement(zdev_t* dev, zbuf_t* buf, u8_t type)
     while ((offset+2)<bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_VENDOR_PRIVATE)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == ZM_WLAN_EID_VENDOR_PRIVATE)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > bufLen - offset)
             {
                 /* Element length error */
                 return 0xffff;
@@ -389,7 +401,8 @@ u16_t zfFindSuperGElement(zdev_t* dev, zbuf_t* buf, u8_t type)
         #if 1
         elen = zmw_rx_buf_readb(dev, buf, offset+1);
         #else
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
@@ -411,7 +424,8 @@ u16_t zfFindXRElement(zdev_t* dev, zbuf_t* buf, u8_t type)
 
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -424,10 +438,12 @@ u16_t zfFindXRElement(zdev_t* dev, zbuf_t* buf, u8_t type)
     while ((offset+2)<bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_VENDOR_PRIVATE)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == ZM_WLAN_EID_VENDOR_PRIVATE)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > bufLen - offset)
             {
                 /* Element length error */
                 return 0xffff;
@@ -447,7 +463,8 @@ u16_t zfFindXRElement(zdev_t* dev, zbuf_t* buf, u8_t type)
         #if 1
         elen = zmw_rx_buf_readb(dev, buf, offset+1);
         #else
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
@@ -868,7 +885,8 @@ void zfSendMmFrame(zdev_t* dev, u8_t frameType, u16_t* dst,
 
     zm_msg2_mm(ZM_LV_2, "Send mm frame, type=", frameType);
     /* TBD : Maximum size of management frame */
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
         return;
@@ -1257,7 +1275,8 @@ void zfSendMmFrame(zdev_t* dev, u8_t frameType, u16_t* dst,
             {
               vap = (u16_t) p3;
 
-              if ((aid = zfApFindSta(dev, dst)) != 0xffff)
+              aid = zfApFindSta(dev, dst);
+              if (aid != 0xffff)
               {
                   zmw_enter_critical_section(dev);
                   /* Clear STA table */
@@ -1303,8 +1322,9 @@ void zfSendMmFrame(zdev_t* dev, u8_t frameType, u16_t* dst,
     //zm_msg2_mm(ZM_LV_2, "buf->data=", buf->data);
 
     #if 0
-    if ((err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
-            ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
+    err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
+		   ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
@@ -1366,7 +1386,8 @@ void zfProcessManagement(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* AddInf
         if ((ra[0] & 0x1) != 1)
         {
             /* AP : Find virtual AP */
-            if ((index = zfApFindSta(dev, ta)) != 0xffff)
+            index = zfApFindSta(dev, ta);
+            if (index != 0xffff)
             {
                 vap = wd->ap.staTable[index].vap;
             }
@@ -1534,7 +1555,8 @@ void zfProcessProbeReq(zdev_t* dev, zbuf_t* buf, u16_t* src)
     }
 
     /* check SSID */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID)) == 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID);
+    if (offset == 0xffff)
     {
         zm_msg0_mm(ZM_LV_3, "probe req SSID not found");
         return;
@@ -1561,8 +1583,8 @@ void zfProcessProbeReq(zdev_t* dev, zbuf_t* buf, u16_t* src)
             {
                 for (j=0; j<len; j++)
                 {
-                    if ((ch = zmw_rx_buf_readb(dev, buf, offset+2+j))
-                            != wd->ap.ssid[i][j])
+                    ch = zmw_rx_buf_readb(dev, buf, offset+2+j);
+                    if (ch != wd->ap.ssid[i][j])
                     {
                         break;
                     }
@@ -1814,7 +1836,8 @@ u16_t zfFindATHExtCap(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype)
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
 
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -1828,10 +1851,12 @@ u16_t zfFindATHExtCap(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype)
     while ((offset+2)<bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == ZM_WLAN_EID_WIFI_IE)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > bufLen - offset)
             {
                 /* Element length error */
                 return 0xffff;
@@ -1850,7 +1875,8 @@ u16_t zfFindATHExtCap(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype)
             {
                 if ( subtype != 0xff )
                 {
-                    if ( (tmp = zmw_rx_buf_readb(dev, buf, offset+6)) == subtype  )
+                    tmp = zmw_rx_buf_readb(dev, buf, offset+6);
+                    if (tmp == subtype  )
                     {
                         return offset;
                     }
@@ -1863,7 +1889,8 @@ u16_t zfFindATHExtCap(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype)
         }
 
         /* Advance to next element */
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
@@ -1884,7 +1911,8 @@ u16_t zfFindBrdcmMrvlRlnkExtCap(zdev_t* dev, zbuf_t* buf)
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
 
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -1898,10 +1926,12 @@ u16_t zfFindBrdcmMrvlRlnkExtCap(zdev_t* dev, zbuf_t* buf)
     while ((offset+2)<bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == ZM_WLAN_EID_WIFI_IE)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > bufLen - offset)
             {
                 /* Element length error */
                 return 0xffff;
@@ -1930,7 +1960,8 @@ u16_t zfFindBrdcmMrvlRlnkExtCap(zdev_t* dev, zbuf_t* buf)
         else if ((id = zmw_rx_buf_readb(dev, buf, offset)) == 0x7F)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > bufLen - offset)
             {
                 /* Element length error */
                 return 0xffff;
@@ -1941,7 +1972,8 @@ u16_t zfFindBrdcmMrvlRlnkExtCap(zdev_t* dev, zbuf_t* buf)
                 return 0xffff;
             }
 
-            if ((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x01)
+            tmp = zmw_rx_buf_readb(dev, buf, offset+2);
+            if (tmp == 0x01)
 
             {
                 return offset;
@@ -1949,7 +1981,8 @@ u16_t zfFindBrdcmMrvlRlnkExtCap(zdev_t* dev, zbuf_t* buf)
         }
 
         /* Advance to next element */
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
@@ -1970,7 +2003,8 @@ u16_t zfFindMarvelExtCap(zdev_t* dev, zbuf_t* buf)
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
 
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -1984,10 +2018,12 @@ u16_t zfFindMarvelExtCap(zdev_t* dev, zbuf_t* buf)
     while ((offset+2)<bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == ZM_WLAN_EID_WIFI_IE)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen>(bufLen - offset))
             {
                 /* Element length error */
                 return 0xffff;
@@ -2008,7 +2044,8 @@ u16_t zfFindMarvelExtCap(zdev_t* dev, zbuf_t* buf)
         }
 
         /* Advance to next element */
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
@@ -2029,7 +2066,8 @@ u16_t zfFindBroadcomExtCap(zdev_t* dev, zbuf_t* buf)
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
 
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -2043,10 +2081,12 @@ u16_t zfFindBroadcomExtCap(zdev_t* dev, zbuf_t* buf)
     while((offset+2) < bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == ZM_WLAN_EID_WIFI_IE)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) > (bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > (bufLen - offset))
             {
                 /* Element length error */
                 return 0xffff;
@@ -2066,7 +2106,8 @@ u16_t zfFindBroadcomExtCap(zdev_t* dev, zbuf_t* buf)
         }
 
         /* Advance to next element */
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
@@ -2089,7 +2130,8 @@ u16_t zfFindRlnkExtCap(zdev_t* dev, zbuf_t* buf)
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
 
-    if ((offset = zgElementOffsetTable[subType]) == 0xff)
+    offset = zgElementOffsetTable[subType];
+    if (offset == 0xff)
     {
         zm_assert(0);
     }
@@ -2103,10 +2145,12 @@ u16_t zfFindRlnkExtCap(zdev_t* dev, zbuf_t* buf)
     while((offset+2) < bufLen)                   // including element ID and length (2bytes)
     {
         /* Search target element */
-        if ((id = zmw_rx_buf_readb(dev, buf, offset)) == 0x7F)
+        id = zmw_rx_buf_readb(dev, buf, offset);
+        if (id == 0x7F)
         {
             /* Bingo */
-            if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) > (bufLen - offset))
+            elen = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (elen > bufLen - offset)
             {
                 /* Element length error */
                 return 0xffff;
@@ -2117,7 +2161,8 @@ u16_t zfFindRlnkExtCap(zdev_t* dev, zbuf_t* buf)
                 return 0xffff;
             }
 
-            if ((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x01)
+            tmp = zmw_rx_buf_readb(dev, buf, offset+2);
+            if (tmp == 0x01)
 
             {
                 return offset;
@@ -2125,7 +2170,8 @@ u16_t zfFindRlnkExtCap(zdev_t* dev, zbuf_t* buf)
         }
 
         /* Advance to next element */
-        if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0)
+        elen = zmw_rx_buf_readb(dev, buf, offset+1);
+        if (elen == 0)
         {
             return 0xffff;
         }
diff --git a/drivers/staging/otus/80211core/cmmap.c b/drivers/staging/otus/80211core/cmmap.c
index 7f09fded459..8ec3830e843 100644
--- a/drivers/staging/otus/80211core/cmmap.c
+++ b/drivers/staging/otus/80211core/cmmap.c
@@ -141,7 +141,8 @@ u16_t zfApGetSTAInfo(zdev_t* dev, u16_t* addr, u16_t* state, u8_t* vap)
 
     zmw_enter_critical_section(dev);
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         *vap = wd->ap.staTable[id].vap;
         *state = wd->ap.staTable[id++].state;
@@ -163,7 +164,8 @@ void zfApGetStaQosType(zdev_t* dev, u16_t* addr, u8_t* qosType)
 
     zmw_enter_critical_section(dev);
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         *qosType = wd->ap.staTable[id].qosType;
     }
@@ -189,7 +191,8 @@ void zfApGetStaTxRateAndQosType(zdev_t* dev, u16_t* addr, u32_t* phyCtrl,
 
     zmw_enter_critical_section(dev);
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         rate = (u8_t)zfRateCtrlGetTxRate(dev, &wd->ap.staTable[id].rcCell, rcProbingFlag);
 #ifdef ZM_AP_DEBUG
@@ -234,7 +237,8 @@ void zfApGetStaEncryType(zdev_t* dev, u16_t* addr, u8_t* encryType)
 
     zmw_enter_critical_section(dev);
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         *encryType = wd->ap.staTable[id].encryMode;
     }
@@ -260,7 +264,8 @@ void zfApGetStaWpaIv(zdev_t* dev, u16_t* addr, u16_t* iv16, u32_t* iv32)
 
     zmw_enter_critical_section(dev);
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         *iv16 = wd->ap.staTable[id].iv16;
         *iv32 = wd->ap.staTable[id].iv32;
@@ -289,7 +294,8 @@ void zfApSetStaWpaIv(zdev_t* dev, u16_t* addr, u16_t iv16, u32_t iv32)
 
     zmw_enter_critical_section(dev);
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         wd->ap.staTable[id].iv16 = iv16;
         wd->ap.staTable[id].iv32 = iv32;
@@ -321,7 +327,8 @@ void zfApClearStaKey(zdev_t* dev, u16_t* addr)
 
         zmw_enter_critical_section(dev);
 
-        if ((id = zfApFindSta(dev, addr)) != 0xffff)
+        id = zfApFindSta(dev, addr);
+        if (id != 0xffff)
         {
             /* Turn off STA's key information */
             zfHpRemoveKey(dev, id+1);
@@ -348,7 +355,8 @@ void zfApGetStaCencIvAndKeyIdx(zdev_t* dev, u16_t* addr, u32_t *iv, u8_t *keyIdx
 
     zmw_enter_critical_section(dev);
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         *iv++ = wd->ap.staTable[id].txiv[0];
         *iv++ = wd->ap.staTable[id].txiv[1];
@@ -379,7 +387,8 @@ void zfApSetStaCencIv(zdev_t* dev, u16_t* addr, u32_t *iv)
 
     zmw_enter_critical_section(dev);
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         wd->ap.staTable[id].txiv[0] = *iv++;
         wd->ap.staTable[id].txiv[1] = *iv++;
@@ -539,7 +548,8 @@ u16_t zfApBufferPsFrame(zdev_t* dev, zbuf_t* buf, u16_t port)
     {
         zmw_enter_critical_section(dev);
 
-        if ((id = zfApFindSta(dev, addr)) != 0xffff)
+        id = zfApFindSta(dev, addr);
+        if (id != 0xffff)
         {
             if (wd->ap.staTable[id].psMode == 1)
             {
@@ -603,7 +613,8 @@ u16_t zfApGetSTAInfoAndUpdatePs(zdev_t* dev, u16_t* addr, u16_t* state,
     //psMode=0;
 #endif
 
-    if ((id = zfApFindSta(dev, addr)) != 0xffff)
+    id = zfApFindSta(dev, addr);
+    if (id != 0xffff)
     {
         if (psMode != 0)
         {
@@ -648,7 +659,8 @@ u16_t zfApGetSTAInfoAndUpdatePs(zdev_t* dev, u16_t* addr, u16_t* state,
 
         while (1)
         {
-            if ((psBuf = zfQueueGetWithMac(dev, wd->ap.uapsdQ, (u8_t*)addr, &mb)) != NULL)
+            psBuf = zfQueueGetWithMac(dev, wd->ap.uapsdQ, (u8_t*)addr, &mb);
+            if (psBuf != NULL)
             {
                 zfTxSendEth(dev, psBuf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
             }
@@ -730,7 +742,8 @@ u16_t zfApAddSta(zdev_t* dev, u16_t* addr, u16_t state, u16_t apId, u8_t type,
 
     zmw_enter_critical_section(dev);
 
-    if ((index = zfApFindSta(dev, addr)) != 0xffff)
+    index = zfApFindSta(dev, addr);
+    if (index != 0xffff)
     {
         zm_msg0_mm(ZM_LV_2, "found");
         /* Update STA state */
@@ -963,7 +976,8 @@ void zfApProcessBeacon(zdev_t* dev, zbuf_t* buf)
     zm_msg0_mm(ZM_LV_3, "Rx beacon");
 
     /* update Non-ERP flag(wd->ap.nonErpObss) */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_ERP)) == 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_ERP);
+    if (offset == 0xffff)
     {
         /* 11b OBSS */
         wd->ap.protectedObss++;
@@ -1046,7 +1060,8 @@ void zfApProcessAuth(zdev_t* dev, zbuf_t* buf, u16_t* src, u16_t apId)
             if (seq == 1)
             {
                 /* AP : update STA to auth */
-                if ((ret = zfApAddSta(dev, src, ZM_STATE_AUTH, apId, 0, 0, 0)) != 0xffff)
+                ret = zfApAddSta(dev, src, ZM_STATE_AUTH, apId, 0, 0, 0);
+                if (ret != 0xffff)
                 {
                     /* AP : call zfwAuthNotify() for host to judge */
                     //zfwAuthNotify(dev, src);
@@ -1177,12 +1192,14 @@ void zfApProcessAsocReq(zdev_t* dev, zbuf_t* buf, u16_t* src, u16_t apId)
 
     zmw_get_wlan_dev(dev);
     /* AP : check SSID */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID)) != 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID);
+    if (offset != 0xffff)
     {
         k = 0;
         for (j = 0; j < wd->ap.vapNumber; j++)
         {
-            if ((tmp = zmw_buf_readb(dev, buf, offset+1))
+            tmp = zmw_buf_readb(dev, buf, offset+1);
+            if (tmp
                         != wd->ap.ssidLen[j])
             {
                 k++;
@@ -1198,7 +1215,8 @@ void zfApProcessAsocReq(zdev_t* dev, zbuf_t* buf, u16_t* src, u16_t apId)
         {
             for (i=0; i<wd->ap.ssidLen[j]; i++)
             {
-                if ((tmp = zmw_buf_readb(dev, buf, offset+2+i))
+                tmp = zmw_buf_readb(dev, buf, offset+2+i);
+                if (tmp
                         != wd->ap.ssid[j][i])
                 {
                     break;
@@ -1222,13 +1240,15 @@ void zfApProcessAsocReq(zdev_t* dev, zbuf_t* buf, u16_t* src, u16_t apId)
     /* TODO : check capability */
 
     /* AP : check support rate */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_RATE)) != 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_RATE);
+    if (offset != 0xffff)
     {
         /* 11g STA */
         staType = 1;
     }
     //CWYang(+)
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY)) != 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY);
+    if (offset != 0xffff)
     {
         /* 11n STA */
         staType = 2;
@@ -1251,7 +1271,8 @@ void zfApProcessAsocReq(zdev_t* dev, zbuf_t* buf, u16_t* src, u16_t apId)
     /* AP : check 11h */
 
     /* AP : check WME */
-    if ((offset = zfFindWifiElement(dev, buf, 2, 0)) != 0xffff)
+    offset = zfFindWifiElement(dev, buf, 2, 0);
+    if (offset != 0xffff)
     {
         /* WME STA */
         qosType = 1;
@@ -1265,7 +1286,8 @@ void zfApProcessAsocReq(zdev_t* dev, zbuf_t* buf, u16_t* src, u16_t apId)
 
     if (wd->ap.wpaSupport[apId] == 1)
     {
-        if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_WPA_IE)) != 0xffff )
+        offset = zfFindElement(dev, buf, ZM_WLAN_EID_WPA_IE);
+        if (offset != 0xffff)
         {
             /* get WPA IE */
             u8_t length = zmw_rx_buf_readb(dev, buf, offset+1);
@@ -1406,12 +1428,14 @@ void zfApStoreAsocReqIe(zdev_t* dev, zbuf_t* buf, u16_t aid)
     offset = 28;
 
     /* supported rates */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_SUPPORT_RATE)) == 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_SUPPORT_RATE);
+    if (offset == 0xffff)
         return;
     length = zmw_rx_buf_readb(dev, buf, offset + 1);
 
     /* extended supported rates */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_RATE)) == 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_RATE);
+    if (offset == 0xffff)
         return;
     length = zmw_rx_buf_readb(dev, buf, offset + 1);
 
@@ -1426,7 +1450,8 @@ void zfApStoreAsocReqIe(zdev_t* dev, zbuf_t* buf, u16_t aid)
     /* QoS */
 
     /* HT capabilities: 28 octets */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY)) != 0xffff) {
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY);
+    if (offset != 0xffff) {
         /* atheros pre n */
         htcap = (u8_t *)&wd->ap.ie[aid].HtCap;
         htcap[0] = zmw_rx_buf_readb(dev, buf, offset);
@@ -1479,7 +1504,8 @@ void zfApProcessDeauth(zdev_t* dev, zbuf_t* buf, u16_t* src, u16_t apId)
 
     zmw_enter_critical_section(dev);
     /* AP : if SA=associated STA then deauthenticate STA */
-    if ((aid = zfApFindSta(dev, src)) != 0xffff)
+    aid = zfApFindSta(dev, src);
+    if (aid != 0xffff)
     {
         /* Clear STA table */
         wd->ap.staTable[aid].valid = 0;
@@ -1500,7 +1526,8 @@ void zfApProcessDisasoc(zdev_t* dev, zbuf_t* buf, u16_t* src, u16_t apId)
 
     zmw_enter_critical_section(dev);
     /* AP : if SA=associated STA then deauthenticate STA */
-    if ((aid = zfApFindSta(dev, src)) != 0xffff)
+    aid = zfApFindSta(dev, src);
+    if (aid != 0xffff)
     {
         /* Clear STA table */
         wd->ap.staTable[aid].valid = 0;
@@ -1674,7 +1701,8 @@ u16_t zfApAddIeTim(zdev_t* dev, zbuf_t* buf, u16_t offset, u16_t vap)
         dst[0] = zmw_tx_buf_readh(dev, psBuf, 0);
         dst[1] = zmw_tx_buf_readh(dev, psBuf, 2);
         dst[2] = zmw_tx_buf_readh(dev, psBuf, 4);
-        if ((aid = zfApFindSta(dev, dst)) != 0xffff)
+        aid = zfApFindSta(dev, dst);
+        if (aid != 0xffff)
         {
             if (wd->ap.staTable[aid].psMode != 0)
             {
@@ -1896,7 +1924,8 @@ void zfApSendBeacon(zdev_t* dev)
     zm_msg1_mm(ZM_LV_2, "Send beacon, vap=", vap);
 
     /* TBD : Maximum size of beacon */
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_msg0_mm(ZM_LV_0, "Alloc beacon buf Fail!");
         return;
@@ -2101,8 +2130,8 @@ u16_t zfIntrabssForward(zdev_t* dev, zbuf_t* buf, u8_t srcVap)
     if ((asocFlag == 1) || ((dst[0]&0x1) == 0x1))
     {
         /* Allocate frame */
-        if ((txBuf = zfwBufAllocate(dev, ZM_RX_FRAME_SIZE))
-                == NULL)
+        txBuf = zfwBufAllocate(dev, ZM_RX_FRAME_SIZE);
+        if (txBuf == NULL)
         {
             zm_msg0_rx(ZM_LV_1, "Alloc intra-bss buf Fail!");
             goto zlAllocError;
@@ -2133,7 +2162,8 @@ u16_t zfIntrabssForward(zdev_t* dev, zbuf_t* buf, u8_t srcVap)
 
         /* Transmit frame */
         /* Return error if port is disabled */
-        if ((err = zfTxPortControl(dev, txBuf, vap)) == ZM_PORT_DISABLED)
+        err = zfTxPortControl(dev, txBuf, vap);
+        if (err == ZM_PORT_DISABLED)
         {
             err = ZM_ERR_TX_PORT_DISABLED;
             goto zlTxError;
@@ -2141,7 +2171,8 @@ u16_t zfIntrabssForward(zdev_t* dev, zbuf_t* buf, u8_t srcVap)
 
 #if 1
         /* AP : Buffer frame for power saving STA */
-        if ((ret = zfApBufferPsFrame(dev, txBuf, vap)) == 0)
+        ret = zfApBufferPsFrame(dev, txBuf, vap);
+        if (ret == 0)
         {
             /* forward frame if not been buffered */
             #if 1
@@ -2177,7 +2208,8 @@ struct zsMicVar* zfApGetRxMicKey(zdev_t* dev, zbuf_t* buf)
     macAddr[1] = sa[2] + (sa[3] << 8);
     macAddr[2] = sa[4] + (sa[5] << 8);
 
-    if ((id = zfApFindSta(dev, macAddr)) != 0xffff)
+    id = zfApFindSta(dev, macAddr);
+    if (id != 0xffff)
         return (&wd->ap.staTable[id].rxMicKey);
 
     return NULL;
@@ -2369,7 +2401,8 @@ void zfApSendFailure(zdev_t* dev, u8_t* addr)
     staAddr[1] = addr[2] + (((u16_t)addr[3])<<8);
     staAddr[2] = addr[4] + (((u16_t)addr[5])<<8);
     zmw_enter_critical_section(dev);
-    if ((id = zfApFindSta(dev, staAddr)) != 0xffff)
+    id = zfApFindSta(dev, staAddr);
+    if (id != 0xffff)
     {
         /* Send failture : Add 3 minutes to inactive time that will */
         /*                 will make STA been kicked out soon */
diff --git a/drivers/staging/otus/80211core/cmmsta.c b/drivers/staging/otus/80211core/cmmsta.c
index c3fd47529c1..0fda30d05ed 100644
--- a/drivers/staging/otus/80211core/cmmsta.c
+++ b/drivers/staging/otus/80211core/cmmsta.c
@@ -602,7 +602,8 @@ void zfStaProtErpMonitor(zdev_t* dev, zbuf_t* buf)
 
         if (zfRxBufferEqualToStr(dev, buf, bssid, ZM_WLAN_HEADER_A2_OFFSET, 6))
         {
-            if ( (offset=zfFindElement(dev, buf, ZM_WLAN_EID_ERP)) != 0xffff )
+            offset = zfFindElement(dev, buf, ZM_WLAN_EID_ERP);
+            if (offset != 0xffff)
             {
                 erp = zmw_rx_buf_readb(dev, buf, offset+2);
 
@@ -628,7 +629,8 @@ void zfStaProtErpMonitor(zdev_t* dev, zbuf_t* buf)
         }
 		//Check the existence of Non-N AP
 		//Follow the check the "pBssInfo->EnableHT"
-			if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY)) != 0xffff)
+			offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY);
+			if (offset != 0xffff)
 			{}
 			else if ((offset = zfFindElement(dev, buf, ZM_WLAN_PREN2_EID_HTCAPABILITY)) != 0xffff)
 			{}
@@ -658,9 +660,11 @@ void zfStaUpdateWmeParameter(zdev_t* dev, zbuf_t* buf)
     if (wd->sta.wmeConnected != 0)
     {
         /* Find WME parameter element */
-        if ((offset = zfFindWifiElement(dev, buf, 2, 1)) != 0xffff)
+        offset = zfFindWifiElement(dev, buf, 2, 1);
+        if (offset != 0xffff)
         {
-            if ((len = zmw_rx_buf_readb(dev, buf, offset+1)) >= 7)
+            len = zmw_rx_buf_readb(dev, buf, offset+1);
+            if (len >= 7)
             {
                 rxWmeParameterSetCount=zmw_rx_buf_readb(dev, buf, offset+8);
                 if (rxWmeParameterSetCount != wd->sta.wmeParameterSetCount)
@@ -741,7 +745,8 @@ void zfStaUpdateDot11HDFS(zdev_t* dev, zbuf_t* buf)
     */
 
     /* get EID(Channel Switch Announcement) */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_CHANNEL_SWITCH_ANNOUNCE)) == 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_CHANNEL_SWITCH_ANNOUNCE);
+    if (offset == 0xffff)
     {
         //zm_debug_msg0("EID(Channel Switch Announcement) not found");
         return;
@@ -1216,7 +1221,8 @@ void zfStaSendBeacon(zdev_t* dev)
     //zm_debug_msg0("\n");
 
     /* TBD : Maximum size of beacon */
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_debug_msg0("Allocate beacon buffer failed");
         return;
@@ -1370,7 +1376,8 @@ struct zsBssInfo* zfStaFindBssInfo(zdev_t* dev, zbuf_t* buf, struct zsWlanProbeR
 
     zmw_get_wlan_dev(dev);
 
-    if ((pBssInfo = wd->sta.bssList.head) == NULL)
+    pBssInfo = wd->sta.bssList.head;
+    if (pBssInfo == NULL)
     {
         return NULL;
     }
@@ -1420,8 +1427,10 @@ struct zsBssInfo* zfStaFindBssInfo(zdev_t* dev, zbuf_t* buf, struct zsWlanProbeR
         /* Check channel */
         /* Add check channel to solve the bug #31222 */
         if (isMatched) {
-            if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_DS)) != 0xffff) {
-                if ((length = zmw_rx_buf_readb(dev, buf, offset+1)) == 1) {
+            offset = zfFindElement(dev, buf, ZM_WLAN_EID_DS);
+            if (offset != 0xffff) {
+                length = zmw_rx_buf_readb(dev, buf, offset+1);
+                if (length == 1) {
                     channel = zmw_rx_buf_readb(dev, buf, offset+2);
                     if (zfHpIsAllowedChannel(dev, zfChNumToFreq(dev, channel, 0)) == 0) {
                         frequency = 0;
@@ -1473,7 +1482,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     }
 
     /* get SSID */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID)) == 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID);
+    if (offset == 0xffff)
     {
         zm_debug_msg0("EID(SSID) not found");
         goto zlError;
@@ -1506,7 +1516,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     zfCopyFromRxBuffer(dev, buf, pBssInfo->ssid, offset, length+2);
 
     /* get DS parameter */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_DS)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_DS);
+    if (offset != 0xffff)
     {
         length = zmw_rx_buf_readb(dev, buf, offset+1);
         if ( length != 1 )
@@ -1590,7 +1601,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     pBssInfo->frameBodysize = accumulateLen;
 
     /* get supported rates */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_SUPPORT_RATE)) == 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_SUPPORT_RATE);
+    if (offset == 0xffff)
     {
         zm_debug_msg0("EID(supported rates) not found");
         goto zlError;
@@ -1607,7 +1619,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
 
 
     /* get Country information */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_COUNTRY)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_COUNTRY);
+    if (offset != 0xffff)
     {
         length = zmw_rx_buf_readb(dev, buf, offset+1);
         if (length > ZM_MAX_COUNTRY_INFO_SIZE)
@@ -1625,13 +1638,15 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     }
 
     /* get ERP information */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_ERP)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_ERP);
+    if (offset != 0xffff)
     {
         pBssInfo->erp = zmw_rx_buf_readb(dev, buf, offset+2);
     }
 
     /* get extended supported rates */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_RATE)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_RATE);
+    if (offset != 0xffff)
     {
         length = zmw_rx_buf_readb(dev, buf, offset+1);
         if (length > ZM_MAX_SUPP_RATES_IE_SIZE)
@@ -1648,7 +1663,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     }
 
     /* get WPA IE */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_WPA_IE)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_WPA_IE);
+    if (offset != 0xffff)
     {
         length = zmw_rx_buf_readb(dev, buf, offset+1);
         if (length > ZM_MAX_IE_SIZE)
@@ -1664,7 +1680,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     }
 
     /* get WPS IE */
-    if ((offset = zfFindWifiElement(dev, buf, 4, 0xff)) != 0xffff)
+    offset = zfFindWifiElement(dev, buf, 4, 0xff);
+    if (offset != 0xffff)
     {
         length = zmw_rx_buf_readb(dev, buf, offset+1);
         if (length > ZM_MAX_WPS_IE_SIZE )
@@ -1679,19 +1696,22 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     }
 
     /* get SuperG IE */
-    if ((offset = zfFindSuperGElement(dev, buf, ZM_WLAN_EID_VENDOR_PRIVATE)) != 0xffff)
+    offset = zfFindSuperGElement(dev, buf, ZM_WLAN_EID_VENDOR_PRIVATE);
+    if (offset != 0xffff)
     {
         pBssInfo->apCap |= ZM_SuperG_AP;
     }
 
     /* get XR IE */
-    if ((offset = zfFindXRElement(dev, buf, ZM_WLAN_EID_VENDOR_PRIVATE)) != 0xffff)
+    offset = zfFindXRElement(dev, buf, ZM_WLAN_EID_VENDOR_PRIVATE);
+    if (offset != 0xffff)
     {
         pBssInfo->apCap |= ZM_XR_AP;
     }
 
     /* get RSN IE */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_RSN_IE)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_RSN_IE);
+    if (offset != 0xffff)
     {
         length = zmw_rx_buf_readb(dev, buf, offset+1);
         if (length > ZM_MAX_IE_SIZE)
@@ -1707,7 +1727,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     }
 #ifdef ZM_ENABLE_CENC
     /* get CENC IE */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_CENC_IE)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_CENC_IE);
+    if (offset != 0xffff)
     {
         length = zmw_rx_buf_readb(dev, buf, offset+1);
         if (length > ZM_MAX_IE_SIZE )
@@ -1726,7 +1747,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     /* get WME Parameter IE, probe rsp may contain WME parameter element */
     //if ( wd->bQoSEnable )
     {
-        if ((offset = zfFindWifiElement(dev, buf, 2, 1)) != 0xffff)
+        offset = zfFindWifiElement(dev, buf, 2, 1);
+        if (offset != 0xffff)
         {
             apQosInfo = zmw_rx_buf_readb(dev, buf, offset+8) & 0x80;
             pBssInfo->wmeSupport = 1 | apQosInfo;
@@ -1742,7 +1764,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
         }
     }
     //CWYang(+)
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY)) != 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY);
+    if (offset != 0xffff)
     {
         /* 11n AP */
         pBssInfo->EnableHT = 1;
@@ -1792,7 +1815,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
         pBssInfo->EnableHT = 0;
     }
     /* HT information */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_HT_CAPABILITY)) != 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_HT_CAPABILITY);
+    if (offset != 0xffff)
     {
         /* atheros pre n */
         pBssInfo->extChOffset = zmw_rx_buf_readb(dev, buf, offset+2) & 0x03;
@@ -1848,7 +1872,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     }
 
     /* get Marvel Extended Capability */
-    if ((offset = zfFindMarvelExtCap(dev, buf)) != 0xffff)
+    offset = zfFindMarvelExtCap(dev, buf);
+    if (offset != 0xffff)
     {
         pBssInfo->marvelAp = 1;
     }
@@ -1858,7 +1883,8 @@ u8_t zfStaInitBssInfo(zdev_t* dev, zbuf_t* buf,
     }
 
     /* get ATIM window */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_IBSS)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_IBSS);
+    if (offset != 0xffff )
     {
         pBssInfo->atimWindow = zmw_rx_buf_readh(dev, buf,offset+2);
     }
@@ -2017,7 +2043,8 @@ zlUpdateRssi:
     pBssInfo->tick = wd->tick;
 
     /* Update ERP information */
-    if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_ERP)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_ERP);
+    if (offset != 0xffff)
     {
         pBssInfo->erp = zmw_rx_buf_readb(dev, buf, offset+2);
     }
@@ -2116,7 +2143,8 @@ void zfStaProcessBeacon(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* AddInfo
 #if 0
             else if ( wd->sta.oppositeCount == 0 )
             {   /* IBSS merge if SSID matched */
-                if ( (offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID)) != 0xffff )
+                offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID);
+                if (offset != 0xffff)
                 {
                     if ( (wd->sta.ssidLen == zmw_buf_readb(dev, buf, offset+1))&&
                          (zfRxBufferEqualToStr(dev, buf, wd->sta.ssid,
@@ -2410,7 +2438,8 @@ void zfStaProcessAsocRsp(zdev_t* dev, zbuf_t* buf)
             if ((wd->sta.wmeEnabled & ZM_STA_WME_ENABLE_BIT) != 0) //WME enabled
             {
                 /* Asoc rsp may contain WME parameter element */
-                if ((offset = zfFindWifiElement(dev, buf, 2, 1)) != 0xffff)
+                offset = zfFindWifiElement(dev, buf, 2, 1);
+                if (offset != 0xffff)
                 {
                     zm_debug_msg0("WME enable");
                     wd->sta.wmeConnected = 1;
@@ -2605,7 +2634,8 @@ void zfStaStoreAsocRspIe(zdev_t* dev, zbuf_t* buf)
         return;
     }
 
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY)) != 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_HT_CAPABILITY);
+    if (offset != 0xffff)
     {
         /* atheros pre n */
         zm_debug_msg0("atheros pre n");
@@ -2645,7 +2675,8 @@ void zfStaStoreAsocRspIe(zdev_t* dev, zbuf_t* buf)
     asocBw40 = (u8_t)((wd->sta.ie.HtCap.HtCapInfo & HTCAP_SupChannelWidthSet) >> 1);
 
     /* HT information */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_HT_CAPABILITY)) != 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_EXTENDED_HT_CAPABILITY);
+    if (offset != 0xffff)
     {
         /* atheros pre n */
         zm_debug_msg0("atheros pre n HTINFO");
@@ -2815,7 +2846,8 @@ void zfStaProcessProbeReq(zdev_t* dev, zbuf_t* buf, u16_t* src)
     }
 
     /* check SSID */
-    if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID)) == 0xffff)
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID);
+    if (offset == 0xffff)
     {
         zm_msg0_mm(ZM_LV_3, "probe req SSID not found");
         return;
@@ -3774,7 +3806,8 @@ static struct zsBssInfo* zfInfraFindAPToConnect(zdev_t* dev,
             }
 
             /* Skip if AP in blocking list */
-            if ((ret = zfStaIsApInBlockingList(dev, pBssInfo->bssid)) == TRUE)
+            ret = zfStaIsApInBlockingList(dev, pBssInfo->bssid);
+            if (ret == TRUE)
             {
                 zm_msg0_mm(ZM_LV_0, "Candidate AP in blocking List, skip if there's stilla choice!");
                 pNowBssInfo = pBssInfo;
@@ -5007,7 +5040,8 @@ void zfSendNullData(zdev_t* dev, u8_t type)
 
     zmw_get_wlan_dev(dev);
 
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
         return;
@@ -5056,8 +5090,9 @@ void zfSendNullData(zdev_t* dev, u8_t type)
     /*increase unicast frame counter*/
     wd->commTally.txUnicastFrm++;
 
-    if ((err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
-            ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
+    err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
+            ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
@@ -5083,7 +5118,8 @@ void zfSendPSPoll(zdev_t* dev)
 
     zmw_get_wlan_dev(dev);
 
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
         return;
@@ -5107,8 +5143,9 @@ void zfSendPSPoll(zdev_t* dev)
     //    goto zlError;
     //}
 
-    if ((err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
-            ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
+    err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
+		   ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
@@ -5134,7 +5171,8 @@ void zfSendBA(zdev_t* dev, u16_t start_seq, u8_t *bitmap)
 
     zmw_get_wlan_dev(dev);
 
-    if ((buf = zfwBufAllocate(dev, 1024)) == NULL)
+    buf = zfwBufAllocate(dev, 1024);
+    if (buf == NULL)
     {
         zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
         return;
@@ -5166,8 +5204,9 @@ void zfSendBA(zdev_t* dev, u16_t start_seq, u8_t *bitmap)
         offset++;
     }
 
-    if ((err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
-            ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
+    err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
+		   ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
diff --git a/drivers/staging/otus/80211core/coid.c b/drivers/staging/otus/80211core/coid.c
index 0524e1f36f0..229aed8f889 100644
--- a/drivers/staging/otus/80211core/coid.c
+++ b/drivers/staging/otus/80211core/coid.c
@@ -553,7 +553,8 @@ u8_t zfiWlanSetKey(zdev_t* dev, struct zsKeyInfo keyInfo)
         if (keyInfo.flag & ZM_KEY_FLAG_PK)
         {
             /* Find STA's information */
-            if ((id = zfApFindSta(dev, keyInfo.macAddr)) == 0xffff)
+            id = zfApFindSta(dev, keyInfo.macAddr);
+            if (id == 0xffff)
             {
                 /* Can't STA in the staTable */
                 return ZM_STATUS_FAILURE;
diff --git a/drivers/staging/otus/80211core/cpsmgr.c b/drivers/staging/otus/80211core/cpsmgr.c
index 98e1f0cc072..32313beba78 100644
--- a/drivers/staging/otus/80211core/cpsmgr.c
+++ b/drivers/staging/otus/80211core/cpsmgr.c
@@ -602,7 +602,8 @@ void zfPowerSavingMgrProcessBeacon(zdev_t* dev, zbuf_t* buf)
 
     wd->sta.psMgr.isSleepAllowed = 1;
 
-    if ( (offset=zfFindElement(dev, buf, ZM_WLAN_EID_TIM)) != 0xffff )
+    offset = zfFindElement(dev, buf, ZM_WLAN_EID_TIM);
+    if (offset != 0xffff)
     {
         length = zmw_rx_buf_readb(dev, buf, offset+1);
 
diff --git a/drivers/staging/otus/80211core/ctxrx.c b/drivers/staging/otus/80211core/ctxrx.c
index 4e7f4bd86f4..a127196260e 100644
--- a/drivers/staging/otus/80211core/ctxrx.c
+++ b/drivers/staging/otus/80211core/ctxrx.c
@@ -109,7 +109,8 @@ void zfGetRxIvIcvLength(zdev_t* dev, zbuf_t* buf, u8_t vap, u16_t* pIvLen,
                 addr[2] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+4);
 
                 /* Find STA's information */
-                if ((id = zfApFindSta(dev, addr)) != 0xffff)
+                id = zfApFindSta(dev, addr);
+                if (id != 0xffff)
                 {
                     if (wd->ap.staTable[id].encryMode == ZM_TKIP)
                     {
@@ -132,7 +133,8 @@ void zfGetRxIvIcvLength(zdev_t* dev, zbuf_t* buf, u8_t vap, u16_t* pIvLen,
                 }
             }
             /* WDS port checking */
-            if ((wdsPort = vap - 0x20) >= ZM_MAX_WDS_SUPPORT)
+            wdsPort = vap - 0x20;
+            if (wdsPort >= ZM_MAX_WDS_SUPPORT)
             {
                 wdsPort = 0;
             }
@@ -741,8 +743,9 @@ u16_t zfiTxSend80211Mgmt(zdev_t* dev, zbuf_t* buf, u16_t port)
 
     zfwBufRemoveHead(dev, buf, 24);
 
-    if ((err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
-            ZM_EXTERNAL_ALLOC_BUF, 0, 0)) != ZM_SUCCESS)
+    err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
+		   ZM_EXTERNAL_ALLOC_BUF, 0, 0);
+    if (err != ZM_SUCCESS)
     {
         goto zlError;
     }
@@ -799,7 +802,8 @@ u16_t zfiTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port)
     ZM_PERFORMANCE_TX_MSDU(dev, wd->tick);
     zm_msg1_tx(ZM_LV_2, "zfiTxSendEth(), port=", port);
     /* Return error if port is disabled */
-    if ((err = zfTxPortControl(dev, buf, port)) == ZM_PORT_DISABLED)
+    err = zfTxPortControl(dev, buf, port);
+    if (err == ZM_PORT_DISABLED)
     {
         err = ZM_ERR_TX_PORT_DISABLED;
         goto zlError;
@@ -809,7 +813,8 @@ u16_t zfiTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port)
     if ((wd->wlanMode == ZM_MODE_AP) && (port < 0x20))
     {
         /* AP : Buffer frame for power saving STA */
-        if ((ret = zfApBufferPsFrame(dev, buf, port)) == 1)
+        ret = zfApBufferPsFrame(dev, buf, port);
+        if (ret == 1)
         {
             return ZM_SUCCESS;
         }
@@ -1119,7 +1124,8 @@ u16_t zfTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port, u16_t bufType, u16_t fla
             i = 0;
             while( frameLen > 0 )
             {
-                if ((frag.buf[i] = zfwBufAllocate(dev, fragLen+32)) != NULL)
+                frag.buf[i] = zfwBufAllocate(dev, fragLen+32);
+                if (frag.buf[i] != NULL)
                 {
                     frag.bufType[i] = ZM_INTERNAL_ALLOC_BUF;
                     frag.seq[i] = frag.seq[0] + i;
@@ -1276,7 +1282,8 @@ void zfCoreRecv(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
     bssid[2] = zmw_buf_readh(dev, buf, 20);
 
     /* Validate Rx frame */
-    if ((ret = zfWlanRxValidate(dev, buf)) != ZM_SUCCESS)
+    ret = zfWlanRxValidate(dev, buf);
+    if (ret != ZM_SUCCESS)
     {
         zm_msg1_rx(ZM_LV_1, "Rx invalid:", ret);
         goto zlError;
@@ -1301,7 +1308,8 @@ void zfCoreRecv(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
 #endif
 
     /* Filter Rx frame */
-    if ((ret = zfWlanRxFilter(dev, buf)) != ZM_SUCCESS)
+    ret = zfWlanRxFilter(dev, buf);
+    if (ret != ZM_SUCCESS)
     {
         zm_msg1_rx(ZM_LV_1, "Rx duplicated:", ret);
         goto zlError;
@@ -2086,7 +2094,8 @@ void zfiRecv80211(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
         //zm_msg0_rx(ZM_LV_0, "Rx data");
         if (wd->wlanMode == ZM_MODE_AP)
         {
-            if ((ret = zfApUpdatePsBit(dev, buf, &vap, &uapsdTrig)) != ZM_SUCCESS)
+            ret = zfApUpdatePsBit(dev, buf, &vap, &uapsdTrig);
+            if (ret != ZM_SUCCESS)
             {
                 zfwBufFree(dev, buf, 0);
                 return;
@@ -2115,7 +2124,8 @@ void zfiRecv80211(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
                     for (ii=0; ii<pktNum; ii++)
                     {
                         //if ((psBuf = zfQueueGet(dev, wd->ap.uapsdQ)) != NULL)
-                        if ((psBuf = zfQueueGetWithMac(dev, wd->ap.uapsdQ, src, &mb)) != NULL)
+                        psBuf = zfQueueGetWithMac(dev, wd->ap.uapsdQ, src, &mb);
+                        if (psBuf != NULL)
                         {
                             if ((ii+1) == pktNum)
                             {
@@ -2232,7 +2242,8 @@ void zfiRecv80211(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
         }
         else
         {
-            if ( (buf = zfDefragment(dev, buf, &bIsDefrag, addInfo)) == NULL )
+            buf = zfDefragment(dev, buf, &bIsDefrag, addInfo);
+            if (buf == NULL)
             {
                 /* In this case, the buffer has been freed in zfDefragment */
                 return;
@@ -2836,7 +2847,8 @@ void zfiRecv80211(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
                 zfwBufRemoveHead(dev, buf, 18+offset);
 #endif  // ZM_ENABLE_NATIVE_WIFI
                 #if 1
-                if ((ret = zfIntrabssForward(dev, buf, vap)) == 1)
+                ret = zfIntrabssForward(dev, buf, vap);
+                if (ret == 1)
                 {
                     /* Free Rx buffer if intra-BSS unicast frame */
                     zm_msg0_rx(ZM_LV_2, "Free intra-BSS unicast frame");
@@ -3037,7 +3049,8 @@ u16_t zfWlanRxValidate(zdev_t* dev, zbuf_t* buf)
     }
     else if ( wd->wlanMode != ZM_MODE_PSEUDO )
     {
-        if ( (ret=zfStaRxValidateFrame(dev, buf))!=ZM_SUCCESS )
+        ret = zfStaRxValidateFrame(dev, buf);
+        if (ret != ZM_SUCCESS)
         {
             //zm_debug_msg1("discard frame, code = ", ret);
             return ret;
@@ -3787,12 +3800,14 @@ void zfPushVtxq(zdev_t* dev)
         /* 2006.12.20, Serve Management queue */
         while( zfHpGetFreeTxdCount(dev) > 0 )
         {
-            if ((buf = zfGetVmmq(dev)) != 0)
+            buf = zfGetVmmq(dev);
+            if (buf != 0)
             {
                 txed = 1;
                 //zm_debug_msg2("send buf = ", buf);
-                if ((err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
-                        ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
+                err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
+			       ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
+                if (err != ZM_SUCCESS)
                 {
                     zfwBufFree(dev, buf, 0);
                 }
@@ -3831,9 +3846,11 @@ void zfPushVtxq(zdev_t* dev)
         /* Service VTxQ[3] */
         for (i=0; i<4; i++)
         {
-            if ((freeTxd = zfHpGetFreeTxdCount(dev)) >= 3)
+            freeTxd = zfHpGetFreeTxdCount(dev);
+            if (freeTxd >= 3)
             {
-                if ((buf = zfGetVtxq(dev, 3)) != 0)
+                buf = zfGetVtxq(dev, 3);
+                if (buf != 0)
                 {
                     txed = 1;
                     //zm_debug_msg2("send buf = ", buf);
@@ -3850,9 +3867,11 @@ void zfPushVtxq(zdev_t* dev)
         /* Service VTxQ[2] */
         for (i=0; i<3; i++)
         {
-            if ((freeTxd = zfHpGetFreeTxdCount(dev)) >= (zfHpGetMaxTxdCount(dev)*1/4))
+            freeTxd = zfHpGetFreeTxdCount(dev);
+            if (freeTxd >= (zfHpGetMaxTxdCount(dev)*1/4))
             {
-                if ((buf = zfGetVtxq(dev, 2)) != 0)
+                buf = zfGetVtxq(dev, 2);
+                if (buf != 0)
                 {
                     txed = 1;
                     zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
@@ -3860,7 +3879,8 @@ void zfPushVtxq(zdev_t* dev)
                 }
                 if (wd->sta.ac0PriorityHigherThanAc2 == 1)
                 {
-                    if ((buf = zfGetVtxq(dev, 0)) != 0)
+                    buf = zfGetVtxq(dev, 0);
+                    if (buf != 0)
                     {
                         txed = 1;
                         zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
@@ -3877,9 +3897,11 @@ void zfPushVtxq(zdev_t* dev)
         /* Service VTxQ[0] */
         for (i=0; i<2; i++)
         {
-            if ((freeTxd = zfHpGetFreeTxdCount(dev)) >= (zfHpGetMaxTxdCount(dev)*2/4))
+            freeTxd = zfHpGetFreeTxdCount(dev);
+            if (freeTxd >= (zfHpGetMaxTxdCount(dev)*2/4))
             {
-                if ((buf = zfGetVtxq(dev, 0)) != 0)
+                buf = zfGetVtxq(dev, 0);
+                if (buf != 0)
                 {
                     txed = 1;
                     zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
@@ -3894,9 +3916,11 @@ void zfPushVtxq(zdev_t* dev)
         }
 
         /* Service VTxQ[1] */
-        if ((freeTxd = zfHpGetFreeTxdCount(dev)) >= (zfHpGetMaxTxdCount(dev)*3/4))
+        freeTxd = zfHpGetFreeTxdCount(dev);
+        if (freeTxd >= (zfHpGetMaxTxdCount(dev)*3/4))
         {
-            if ((buf = zfGetVtxq(dev, 1)) != 0)
+            buf = zfGetVtxq(dev, 1);
+            if (buf != 0)
             {
                 txed = 1;
                 zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
@@ -3983,9 +4007,10 @@ void zf80211FrameSend(zdev_t* dev, zbuf_t* buf, u16_t* header, u16_t snapLen,
     }
     wd->ledStruct.txTraffic++;
 
-    if ((err = zfHpSend(dev, header, headerLen, snap, snapLen,
+    err = zfHpSend(dev, header, headerLen, snap, snapLen,
                         tail, tailLen, buf, offset,
-                        bufType, ac, keyIdx)) != ZM_SUCCESS)
+                        bufType, ac, keyIdx);
+    if (err != ZM_SUCCESS)
     {
         if (bufType == ZM_EXTERNAL_ALLOC_BUF)
         {
diff --git a/drivers/staging/otus/80211core/queue.c b/drivers/staging/otus/80211core/queue.c
index d294831b5c3..29be4bdb40a 100644
--- a/drivers/staging/otus/80211core/queue.c
+++ b/drivers/staging/otus/80211core/queue.c
@@ -31,8 +31,9 @@ struct zsQueue* zfQueueCreate(zdev_t* dev, u16_t size)
 {
     struct zsQueue* q;
 
-    if ((q = (struct zsQueue*)zfwMemAllocate(dev, sizeof(struct zsQueue)
-            + (sizeof(struct zsQueueCell)*(size-1)))) != NULL)
+    q = (struct zsQueue*)zfwMemAllocate(dev, sizeof(struct zsQueue)
+            + (sizeof(struct zsQueueCell)*(size-1)));
+    if (q != NULL)
     {
         q->size = size;
         q->sizeMask = size-1;
diff --git a/drivers/staging/otus/80211core/ratectrl.c b/drivers/staging/otus/80211core/ratectrl.c
index a43104cd7f5..a1abe2f4f34 100644
--- a/drivers/staging/otus/80211core/ratectrl.c
+++ b/drivers/staging/otus/80211core/ratectrl.c
@@ -538,7 +538,8 @@ u16_t zfRateCtrlGetTxRate(zdev_t* dev, struct zsRcCell* rcCell, u16_t* probing)
             ((rcCell->currentRate <= 16) &&
             ((wd->PER[rcCell->currentRate]/2) <= ZM_RATE_PROBING_THRESHOLD)))
         {
-            if ((newRate=zfRateCtrlGetHigherRate(rcCell)) != rcCell->currentRate)
+            newRate = zfRateCtrlGetHigherRate(rcCell);
+            if (newRate != rcCell->currentRate)
             {
                 *probing = 1;
                 wd->probeCount++;

From 62fa452648d3098896bf5a8d78af4f058b355aa0 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:16:58 -0700
Subject: [PATCH 0934/3638] Staging: otus: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/otus/hal/hpmain.c | 30 ++++++++++++++++++------------
 drivers/staging/otus/usbdrv.c     |  6 ++++--
 drivers/staging/otus/zdusb.c      |  3 ++-
 3 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/otus/hal/hpmain.c b/drivers/staging/otus/hal/hpmain.c
index 8dff5b97dfe..5f412e02045 100644
--- a/drivers/staging/otus/hal/hpmain.c
+++ b/drivers/staging/otus/hal/hpmain.c
@@ -142,8 +142,9 @@ u16_t zfHpInit(zdev_t* dev, u32_t frequency)
     if (wd->modeMDKEnable)
     {
         /* download the MDK firmware */
-        if ((ret = zfFirmwareDownload(dev, (u32_t*)zcDKFwImage,
-                (u32_t)zcDKFwImageSize, ZM_FIRMWARE_WLAN_ADDR)) != ZM_SUCCESS)
+        ret = zfFirmwareDownload(dev, (u32_t*)zcDKFwImage,
+                (u32_t)zcDKFwImageSize, ZM_FIRMWARE_WLAN_ADDR);
+        if (ret != ZM_SUCCESS)
         {
             /* TODO : exception handling */
             //return 1;
@@ -153,8 +154,9 @@ u16_t zfHpInit(zdev_t* dev, u32_t frequency)
     {
     #ifndef ZM_OTUS_LINUX_PHASE_2
         /* download the normal firmware */
-        if ((ret = zfFirmwareDownload(dev, (u32_t*)zcFwImage,
-                (u32_t)zcFwImageSize, ZM_FIRMWARE_WLAN_ADDR)) != ZM_SUCCESS)
+        ret = zfFirmwareDownload(dev, (u32_t*)zcFwImage,
+                (u32_t)zcFwImageSize, ZM_FIRMWARE_WLAN_ADDR);
+        if (ret != ZM_SUCCESS)
         {
             /* TODO : exception handling */
             //return 1;
@@ -162,16 +164,18 @@ u16_t zfHpInit(zdev_t* dev, u32_t frequency)
     #else
 
         // 1-PH fw: ReadMac() store some global variable
-        if ((ret = zfFirmwareDownloadNotJump(dev, (u32_t*)zcFwBufImage,
-                (u32_t)zcFwBufImageSize, 0x102800)) != ZM_SUCCESS)
+        ret = zfFirmwareDownloadNotJump(dev, (u32_t*)zcFwBufImage,
+                (u32_t)zcFwBufImageSize, 0x102800);
+        if (ret != ZM_SUCCESS)
         {
             DbgPrint("Dl zcFwBufImage failed!");
         }
 
         zfwSleep(dev, 1000);
 
-        if ((ret = zfFirmwareDownload(dev, (u32_t*)zcFwImage,
-                (u32_t)zcFwImageSize, ZM_FIRMWARE_WLAN_ADDR)) != ZM_SUCCESS)
+        ret = zfFirmwareDownload(dev, (u32_t*)zcFwImage,
+                (u32_t)zcFwImageSize, ZM_FIRMWARE_WLAN_ADDR);
+        if (ret != ZM_SUCCESS)
         {
             DbgPrint("Dl zcFwBufImage failed!");
         }
@@ -249,15 +253,17 @@ u16_t zfHpReinit(zdev_t* dev, u32_t frequency)
 
     #ifndef ZM_OTUS_LINUX_PHASE_2
     /* Download firmware */
-    if ((ret = zfFirmwareDownload(dev, (u32_t*)zcFwImage,
-            (u32_t)zcFwImageSize, ZM_FIRMWARE_WLAN_ADDR)) != ZM_SUCCESS)
+    ret = zfFirmwareDownload(dev, (u32_t*)zcFwImage,
+            (u32_t)zcFwImageSize, ZM_FIRMWARE_WLAN_ADDR);
+    if (ret != ZM_SUCCESS)
     {
         /* TODO : exception handling */
         //return 1;
     }
     #else
-    if ((ret = zfFirmwareDownload(dev, (u32_t*)zcP2FwImage,
-            (u32_t)zcP2FwImageSize, ZM_FIRMWARE_WLAN_ADDR)) != ZM_SUCCESS)
+    ret = zfFirmwareDownload(dev, (u32_t*)zcP2FwImage,
+            (u32_t)zcP2FwImageSize, ZM_FIRMWARE_WLAN_ADDR);
+    if (ret != ZM_SUCCESS)
     {
         /* TODO : exception handling */
         //return 1;
diff --git a/drivers/staging/otus/usbdrv.c b/drivers/staging/otus/usbdrv.c
index 0ce65b5b945..165a82b9ab8 100644
--- a/drivers/staging/otus/usbdrv.c
+++ b/drivers/staging/otus/usbdrv.c
@@ -350,7 +350,8 @@ int usbdrv_open(struct net_device *dev)
     }
 
     size = zfiGlobalDataSize(dev);
-    if ((mem = kmalloc(size, GFP_KERNEL)) == NULL)
+    mem = kmalloc(size, GFP_KERNEL);
+    if (mem == NULL)
     {
         rc = -EBUSY;
         goto exit;
@@ -698,7 +699,8 @@ void usbdrv_remove1(struct pci_dev *pcid)
     struct net_device *dev;
     struct usbdrv_private *macp;
 
-    if (!(dev = (struct net_device *) pci_get_drvdata(pcid)))
+    dev = (struct net_device *)pci_get_drvdata(pcid);
+    if (!dev)
         return;
 
     macp = dev->ml_priv;
diff --git a/drivers/staging/otus/zdusb.c b/drivers/staging/otus/zdusb.c
index bb89d85a4c7..6509bc565e6 100644
--- a/drivers/staging/otus/zdusb.c
+++ b/drivers/staging/otus/zdusb.c
@@ -95,7 +95,8 @@ static int zfLnxProbe(struct usb_interface *interface,
         printk(KERN_NOTICE "USB 1.1 Host\n");
 #endif
 
-    if (!(macp = kmalloc(sizeof(struct usbdrv_private), GFP_KERNEL)))
+    macp = kmalloc(sizeof(struct usbdrv_private), GFP_KERNEL);
+    if (!macp)
     {
         printk(KERN_ERR "out of memory allocating device structure\n");
         result = -ENOMEM;

From 6aed5295ae93fc7947ee50eb2789655b88f6c941 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:16:59 -0700
Subject: [PATCH 0935/3638] Staging: rt2860: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/common/cmm_data.c |  6 ++++--
 drivers/staging/rt2860/common/cmm_wpa.c  | 18 ++++++++----------
 drivers/staging/rt2860/common/spectrum.c |  7 ++++---
 drivers/staging/rt2860/rt_linux.c        |  7 ++++---
 4 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/drivers/staging/rt2860/common/cmm_data.c b/drivers/staging/rt2860/common/cmm_data.c
index 68263cee795..65b00e685eb 100644
--- a/drivers/staging/rt2860/common/cmm_data.c
+++ b/drivers/staging/rt2860/common/cmm_data.c
@@ -773,7 +773,8 @@ void RTMPDeQueuePacket(struct rt_rtmp_adapter *pAd, IN BOOLEAN bIntContext, u8 Q
 
 			/* probe the Queue Head */
 			pQueue = &pAd->TxSwQueue[QueIdx];
-			if ((pEntry = pQueue->Head) == NULL) {
+			pEntry = pQueue->Head;
+			if (pEntry == NULL) {
 				DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext,
 					       IrqFlags);
 				break;
@@ -824,7 +825,8 @@ void RTMPDeQueuePacket(struct rt_rtmp_adapter *pAd, IN BOOLEAN bIntContext, u8 Q
 				}
 
 				do {
-					if ((pEntry = pQueue->Head) == NULL)
+					pEntry = pQueue->Head;
+					if (pEntry == NULL)
 						break;
 
 					/* For TX_AMSDU_FRAME/TX_RALINK_FRAME, Need to check if next pakcet can do aggregation. */
diff --git a/drivers/staging/rt2860/common/cmm_wpa.c b/drivers/staging/rt2860/common/cmm_wpa.c
index 94e119faaa7..c16f3763cca 100644
--- a/drivers/staging/rt2860/common/cmm_wpa.c
+++ b/drivers/staging/rt2860/common/cmm_wpa.c
@@ -2928,25 +2928,23 @@ void WpaShowAllsuite(u8 *rsnie, u32 rsnie_len)
 	hex_dump("RSNIE", rsnie, rsnie_len);
 
 	/* group cipher */
-	if ((pSuite =
-	     GetSuiteFromRSNIE(rsnie, rsnie_len, GROUP_SUITE,
-			       &count)) != NULL) {
+	pSuite = GetSuiteFromRSNIE(rsnie, rsnie_len, GROUP_SUITE, &count);
+	if (pSuite != NULL) {
 		hex_dump("group cipher", pSuite, 4 * count);
 	}
 	/* pairwise cipher */
-	if ((pSuite =
-	     GetSuiteFromRSNIE(rsnie, rsnie_len, PAIRWISE_SUITE,
-			       &count)) != NULL) {
+	pSuite = GetSuiteFromRSNIE(rsnie, rsnie_len, PAIRWISE_SUITE, &count);
+	if (pSuite != NULL) {
 		hex_dump("pairwise cipher", pSuite, 4 * count);
 	}
 	/* AKM */
-	if ((pSuite =
-	     GetSuiteFromRSNIE(rsnie, rsnie_len, AKM_SUITE, &count)) != NULL) {
+	pSuite = GetSuiteFromRSNIE(rsnie, rsnie_len, AKM_SUITE, &count);
+	if (pSuite != NULL) {
 		hex_dump("AKM suite", pSuite, 4 * count);
 	}
 	/* PMKID */
-	if ((pSuite =
-	     GetSuiteFromRSNIE(rsnie, rsnie_len, PMKID_LIST, &count)) != NULL) {
+	pSuite = GetSuiteFromRSNIE(rsnie, rsnie_len, PMKID_LIST, &count);
+	if (pSuite != NULL) {
 		hex_dump("PMKID", pSuite, LEN_PMKID);
 	}
 
diff --git a/drivers/staging/rt2860/common/spectrum.c b/drivers/staging/rt2860/common/spectrum.c
index 51e38d80933..2d5f847e6cc 100644
--- a/drivers/staging/rt2860/common/spectrum.c
+++ b/drivers/staging/rt2860/common/spectrum.c
@@ -1900,8 +1900,8 @@ static void PeerMeasureReportAction(struct rt_rtmp_adapter *pAd,
 /*      if (pAd->CommonCfg.bIEEE80211H != TRUE) */
 /*              return; */
 
-	if ((pMeasureReportInfo =
-	     kmalloc(sizeof(struct rt_measure_rpi_report), GFP_ATOMIC)) == NULL) {
+	pMeasureReportInfo = kmalloc(sizeof(struct rt_measure_rpi_report), GFP_ATOMIC);
+	if (pMeasureReportInfo == NULL) {
 		DBGPRINT(RT_DEBUG_ERROR,
 			 ("%s unable to alloc memory for measure report buffer (size=%zu).\n",
 			  __func__, sizeof(struct rt_measure_rpi_report)));
@@ -2016,7 +2016,8 @@ static void PeerTpcRepAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_e
 	NdisZeroMemory(&TpcRepInfo, sizeof(struct rt_tpc_report_info));
 	if (PeerTpcRepSanity
 	    (pAd, Elem->Msg, Elem->MsgLen, &DialogToken, &TpcRepInfo)) {
-		if ((pEntry = TpcReqLookUp(pAd, DialogToken)) != NULL) {
+		pEntry = TpcReqLookUp(pAd, DialogToken);
+		if (pEntry != NULL) {
 			TpcReqDelete(pAd, pEntry->DialogToken);
 			DBGPRINT(RT_DEBUG_TRACE,
 				 ("%s: DialogToken=%x, TxPwr=%d, LinkMargin=%d\n",
diff --git a/drivers/staging/rt2860/rt_linux.c b/drivers/staging/rt2860/rt_linux.c
index bfda187d2fb..27b78102f4b 100644
--- a/drivers/staging/rt2860/rt_linux.c
+++ b/drivers/staging/rt2860/rt_linux.c
@@ -463,8 +463,8 @@ void *duplicate_pkt(struct rt_rtmp_adapter *pAd,
 	struct sk_buff *skb;
 	void *pPacket = NULL;
 
-	if ((skb =
-	     __dev_alloc_skb(HdrLen + DataSize + 2, MEM_ALLOC_FLAG)) != NULL) {
+	skb = __dev_alloc_skb(HdrLen + DataSize + 2, MEM_ALLOC_FLAG);
+	if (skb != NULL) {
 		skb_reserve(skb, 2);
 		NdisMoveMemory(skb_tail_pointer(skb), pHeader802_3, HdrLen);
 		skb_put(skb, HdrLen);
@@ -673,7 +673,8 @@ void RTMPSendWirelessEvent(struct rt_rtmp_adapter *pAd,
 		return;
 	}
 	/*Allocate memory and copy the msg. */
-	if ((pBuf = kmalloc(IW_CUSTOM_MAX_LEN, GFP_ATOMIC)) != NULL) {
+	pBuf = kmalloc(IW_CUSTOM_MAX_LEN, GFP_ATOMIC);
+	if (pBuf != NULL) {
 		/*Prepare the payload */
 		memset(pBuf, 0, IW_CUSTOM_MAX_LEN);
 

From 699910dd756d782a9d281414d20c89ef94302177 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:17:00 -0700
Subject: [PATCH 0936/3638] Staging: rt2870: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2870/common/rtusb_bulk.c | 15 ++++++++++-----
 drivers/staging/rt2870/common/rtusb_io.c   | 10 +++++-----
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/rt2870/common/rtusb_bulk.c b/drivers/staging/rt2870/common/rtusb_bulk.c
index 625b872eccc..d2746f8732e 100644
--- a/drivers/staging/rt2870/common/rtusb_bulk.c
+++ b/drivers/staging/rt2870/common/rtusb_bulk.c
@@ -474,7 +474,8 @@ void RTUSBBulkOutDataPacket(struct rt_rtmp_adapter *pAd,
 			  (usb_complete_t) RTUSBBulkOutDataPacketComplete);
 
 	pUrb = pHTTXContext->pUrb;
-	if ((ret = RTUSB_SUBMIT_URB(pUrb)) != 0) {
+	ret = RTUSB_SUBMIT_URB(pUrb);
+	if (ret != 0) {
 		DBGPRINT(RT_DEBUG_ERROR,
 			 ("RTUSBBulkOutDataPacket: Submit Tx URB failed %d\n",
 			  ret));
@@ -572,7 +573,8 @@ void RTUSBBulkOutNullFrame(struct rt_rtmp_adapter *pAd)
 			(usb_complete_t) RTUSBBulkOutNullFrameComplete);
 
 	pUrb = pNullContext->pUrb;
-	if ((ret = RTUSB_SUBMIT_URB(pUrb)) != 0) {
+	ret = RTUSB_SUBMIT_URB(pUrb);
+	if (ret != 0) {
 		RTMP_IRQ_LOCK(&pAd->BulkOutLock[0], IrqFlags);
 		pAd->BulkOutPending[0] = FALSE;
 		pAd->watchDogTxPendingCnt[0] = 0;
@@ -666,7 +668,8 @@ void RTUSBBulkOutMLMEPacket(struct rt_rtmp_adapter *pAd, u8 Index)
 	pUrb->transfer_flags &= (~URB_NO_TRANSFER_DMA_MAP);
 
 	pUrb = pMLMEContext->pUrb;
-	if ((ret = RTUSB_SUBMIT_URB(pUrb)) != 0) {
+	ret = RTUSB_SUBMIT_URB(pUrb);
+	if (ret != 0) {
 		DBGPRINT(RT_DEBUG_ERROR,
 			 ("RTUSBBulkOutMLMEPacket: Submit MLME URB failed %d\n",
 			  ret));
@@ -741,7 +744,8 @@ void RTUSBBulkOutPsPoll(struct rt_rtmp_adapter *pAd)
 			(usb_complete_t) RTUSBBulkOutPsPollComplete);
 
 	pUrb = pPsPollContext->pUrb;
-	if ((ret = RTUSB_SUBMIT_URB(pUrb)) != 0) {
+	ret = RTUSB_SUBMIT_URB(pUrb);
+	if (ret != 0) {
 		RTMP_IRQ_LOCK(&pAd->BulkOutLock[0], IrqFlags);
 		pAd->BulkOutPending[0] = FALSE;
 		pAd->watchDogTxPendingCnt[0] = 0;
@@ -798,7 +802,8 @@ void DoBulkIn(struct rt_rtmp_adapter *pAd)
 	RTUSBInitRxDesc(pAd, pRxContext);
 
 	pUrb = pRxContext->pUrb;
-	if ((ret = RTUSB_SUBMIT_URB(pUrb)) != 0) {	/* fail */
+	ret = RTUSB_SUBMIT_URB(pUrb);
+	if (ret != 0) {	/* fail */
 
 		RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
 		pRxContext->InUse = FALSE;
diff --git a/drivers/staging/rt2870/common/rtusb_io.c b/drivers/staging/rt2870/common/rtusb_io.c
index cde38fe7e2e..6b9ca24bbee 100644
--- a/drivers/staging/rt2870/common/rtusb_io.c
+++ b/drivers/staging/rt2870/common/rtusb_io.c
@@ -1167,11 +1167,10 @@ void CMDHandler(struct rt_rtmp_adapter *pAd)
 								     (usb_complete_t)
 								     RTUSBBulkOutDataPacketComplete);
 
-								if ((ret =
-								     RTUSB_SUBMIT_URB
+								ret = RTUSB_SUBMIT_URB
 								     (pHTTXContext->
-								      pUrb)) !=
-								    0) {
+								      pUrb);
+								if (ret != 0) {
 									RTMP_INT_LOCK
 									    (&pAd->
 									     BulkOutLock
@@ -1540,7 +1539,8 @@ void CMDHandler(struct rt_rtmp_adapter *pAd)
 							RTUSBInitRxDesc(pAd,
 									pRxContext);
 							pUrb = pRxContext->pUrb;
-							if ((ret = RTUSB_SUBMIT_URB(pUrb)) != 0) {	/* fail */
+							ret = RTUSB_SUBMIT_URB(pUrb);
+							if (ret != 0) {	/* fail */
 
 								RTMP_IRQ_LOCK
 								    (&pAd->

From 53756de3831fb9aac83e4766221aac3bf6f6cfe7 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:17:01 -0700
Subject: [PATCH 0937/3638] Staging: rtl8187se: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c | 3 ++-
 drivers/staging/rtl8187se/r8180_core.c                  | 6 ++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
index be2d17f60c3..5fdb8f3df0a 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
@@ -1555,7 +1555,8 @@ ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
 	//IEEE80211DMESG("Rx probe");
 	ieee->softmac_stats.rx_auth_rq++;
 
-	if ((status = auth_rq_parse(skb, dest))!= -1){
+	status = auth_rq_parse(skb, dest);
+	if (status != -1) {
 		ieee80211_resp_to_auth(ieee, status, dest);
 	}
 	//DMESG("Dest is "MACSTR, MAC2STR(dest));
diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c
index 55d12e3271d..88fe6232a47 100644
--- a/drivers/staging/rtl8187se/r8180_core.c
+++ b/drivers/staging/rtl8187se/r8180_core.c
@@ -403,7 +403,8 @@ short buffer_add(struct buffer **buffer, u32 *buf, dma_addr_t dma,
 	tmp=*buffer;
 
 	while(tmp->next!=(*buffer)) tmp=tmp->next;
-	if ((tmp->next= kmalloc(sizeof(struct buffer),GFP_KERNEL)) == NULL){
+	tmp->next = kmalloc(sizeof(struct buffer),GFP_KERNEL);
+	if (tmp->next == NULL) {
 		DMESGE("Failed to kmalloc TX/RX struct");
 		return -1;
 	}
@@ -1155,7 +1156,8 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)
 	tmp=desc;
 
 	for (i = 0; i < count; i++) {
-		if ((buf= kmalloc(bufsize * sizeof(u8),GFP_ATOMIC)) == NULL){
+		buf = kmalloc(bufsize * sizeof(u8),GFP_ATOMIC);
+		if (buf == NULL) {
 			DMESGE("Failed to kmalloc RX buffer");
 			return -1;
 		}

From d6d42dfbdf9148dbc69c6345b6cdf9132782f7b5 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:17:02 -0700
Subject: [PATCH 0938/3638] Staging: rtl8192e: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c | 3 ++-
 drivers/staging/rtl8192e/r8192E_core.c                 | 6 ++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
index d1d7b086675..b4beb207391 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
@@ -1934,7 +1934,8 @@ ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
 	//IEEE80211DMESG("Rx probe");
 	ieee->softmac_stats.rx_auth_rq++;
 
-	if ((status = auth_rq_parse(skb, dest))!= -1){
+	status = auth_rq_parse(skb, dest);
+	if (status != -1) {
 		ieee80211_resp_to_auth(ieee, status, dest);
 	}
 	//DMESG("Dest is "MACSTR, MAC2STR(dest));
diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c
index bb7e1ef28d3..0b0506d2292 100644
--- a/drivers/staging/rtl8192e/r8192E_core.c
+++ b/drivers/staging/rtl8192e/r8192E_core.c
@@ -1864,13 +1864,15 @@ static short rtl8192_pci_initdescring(struct net_device *dev)
 
     /* general process for other queue */
     for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
-        if ((ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount)))
+        ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
+        if (ret)
             goto err_free_rings;
     }
 
 #if 0
     /* specific process for hardware beacon process */
-    if ((ret = rtl8192_alloc_tx_desc_ring(dev, MAX_TX_QUEUE_COUNT - 1, 2)))
+    ret = rtl8192_alloc_tx_desc_ring(dev, MAX_TX_QUEUE_COUNT - 1, 2);
+    if (ret)
         goto err_free_rings;
 #endif
 

From 810ba6a25b390f8c72a65cc0141fa94a216f8a7a Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:17:03 -0700
Subject: [PATCH 0939/3638] Staging: rtl8192su: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
index 84a4e23b60b..3cf5fdf8a8c 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
@@ -1691,7 +1691,8 @@ ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
 	//IEEE80211DMESG("Rx probe");
 	ieee->softmac_stats.rx_auth_rq++;
 
-	if ((status = auth_rq_parse(skb, dest))!= -1){
+	status = auth_rq_parse(skb, dest);
+	if (status != -1) {
 		ieee80211_resp_to_auth(ieee, status, dest);
 	}
 	//DMESG("Dest is "MACSTR, MAC2STR(dest));

From d10219fcae91199284e990cbb1e23b5ec3a81db9 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:17:04 -0700
Subject: [PATCH 0940/3638] Staging: rtl8192u: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index d54e3a77423..148424a9ac1 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -1713,7 +1713,8 @@ ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
 	//IEEE80211DMESG("Rx probe");
 	ieee->softmac_stats.rx_auth_rq++;
 
-	if ((status = auth_rq_parse(skb, dest))!= -1){
+	status = auth_rq_parse(skb, dest);
+	if (status != -1) {
 		ieee80211_resp_to_auth(ieee, status, dest);
 	}
 	//DMESG("Dest is "MACSTR, MAC2STR(dest));

From d2c6170bd1c4796ce5017de2987808a6db879483 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:17:05 -0700
Subject: [PATCH 0941/3638] Staging: vt6655: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/desc.h        | 6 ++++--
 drivers/staging/vt6655/device.h      | 6 ++++--
 drivers/staging/vt6655/device_main.c | 3 ++-
 drivers/staging/vt6655/iwctl.c       | 3 ++-
 4 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/vt6655/desc.h b/drivers/staging/vt6655/desc.h
index b573ef77abe..0e119492d71 100644
--- a/drivers/staging/vt6655/desc.h
+++ b/drivers/staging/vt6655/desc.h
@@ -232,7 +232,8 @@ typedef struct tagDEVICE_RD_INFO {
 /*
 static inline PDEVICE_RD_INFO alloc_rd_info(void) {
     PDEVICE_RD_INFO  ptr;
-    if ((ptr = kmalloc(sizeof(DEVICE_RD_INFO), GFP_ATOMIC)) == NULL)
+    ptr = kmalloc(sizeof(DEVICE_RD_INFO), GFP_ATOMIC);
+    if (ptr == NULL)
         return NULL;
     else {
         memset(ptr,0,sizeof(DEVICE_RD_INFO));
@@ -361,7 +362,8 @@ typedef struct tagDEVICE_TD_INFO{
 /*
 static inline PDEVICE_TD_INFO alloc_td_info(void) {
     PDEVICE_TD_INFO  ptr;
-    if ((ptr = kmalloc(sizeof(DEVICE_TD_INFO),GFP_ATOMIC))==NULL)
+    ptr = kmalloc(sizeof(DEVICE_TD_INFO),GFP_ATOMIC);
+    if (ptr == NULL)
         return NULL;
     else {
         memset(ptr,0,sizeof(DEVICE_TD_INFO));
diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h
index cde44d21b75..7a9f40695f2 100644
--- a/drivers/staging/vt6655/device.h
+++ b/drivers/staging/vt6655/device.h
@@ -898,7 +898,8 @@ inline static BOOL device_get_ip(PSDevice pInfo) {
 
 static inline PDEVICE_RD_INFO alloc_rd_info(void) {
     PDEVICE_RD_INFO  ptr;
-    if ((ptr = (PDEVICE_RD_INFO)kmalloc((int)sizeof(DEVICE_RD_INFO), (int)GFP_ATOMIC)) == NULL)
+    ptr = (PDEVICE_RD_INFO)kmalloc((int)sizeof(DEVICE_RD_INFO), (int)GFP_ATOMIC);
+    if (ptr == NULL)
         return NULL;
     else {
         memset(ptr,0,sizeof(DEVICE_RD_INFO));
@@ -908,7 +909,8 @@ static inline PDEVICE_RD_INFO alloc_rd_info(void) {
 
 static inline PDEVICE_TD_INFO alloc_td_info(void) {
     PDEVICE_TD_INFO  ptr;
-    if ((ptr = (PDEVICE_TD_INFO)kmalloc((int)sizeof(DEVICE_TD_INFO), (int)GFP_ATOMIC))==NULL)
+    ptr = (PDEVICE_TD_INFO)kmalloc((int)sizeof(DEVICE_TD_INFO), (int)GFP_ATOMIC);
+    if (ptr == NULL)
         return NULL;
     else {
         memset(ptr,0,sizeof(DEVICE_TD_INFO));
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index fde352bc479..50f02ee0b11 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -638,7 +638,8 @@ byValue1 = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_ANTENNA);
 //2008-8-4 <add> by chester
 //zonetype initial
  pDevice->byOriginalZonetype = pDevice->abyEEPROM[EEP_OFS_ZONETYPE];
- if((zonetype=Config_FileOperation(pDevice,FALSE,NULL)) >= 0) {         //read zonetype file ok!
+ zonetype = Config_FileOperation(pDevice,FALSE,NULL);
+ if (zonetype >= 0) {         //read zonetype file ok!
   if ((zonetype == 0)&&
         (pDevice->abyEEPROM[EEP_OFS_ZONETYPE] !=0x00)){          //for USA
     pDevice->abyEEPROM[EEP_OFS_ZONETYPE] = 0;
diff --git a/drivers/staging/vt6655/iwctl.c b/drivers/staging/vt6655/iwctl.c
index 824466d5a65..7fa5842238b 100644
--- a/drivers/staging/vt6655/iwctl.c
+++ b/drivers/staging/vt6655/iwctl.c
@@ -1700,7 +1700,8 @@ int iwctl_giwpower(struct net_device *dev,
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWPOWER \n");
 
 
-	if ((wrq->disabled = (mode == WMAC_POWER_CAM)))
+	wrq->disabled = (mode == WMAC_POWER_CAM);
+	if (wrq->disabled)
 	    return 0;
 
 	if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {

From bfbfeecca6957d749b95540626a6c348dc8d9301 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:17:06 -0700
Subject: [PATCH 0942/3638] Staging: vt6656: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/main_usb.c | 12 ++++++++----
 drivers/staging/vt6656/usbpipe.c  | 21 ++++++++++++++-------
 2 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index a8e1adbc959..f15e7b48fe0 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -1434,7 +1434,8 @@ static int Config_FileGetParameter(UCHAR *string, UCHAR *dest,UCHAR *source)
     source+=strlen(buf1);
 
 //find target string start point
-    if((start_p = kstrstr(source,buf1))==NULL)
+    start_p = kstrstr(source,buf1);
+    if (start_p == NULL)
 	return FALSE;
 
 //check if current config line is marked by "#" ??
@@ -1446,7 +1447,8 @@ for(ii=1;;ii++) {
 }
 
 //find target string end point
-     if((end_p = kstrstr(start_p,"\n"))==NULL) {       //cann't find "\n",but don't care
+     end_p = kstrstr(start_p,"\n");
+     if (end_p == NULL) {       //can't find "\n",but don't care
           end_p=start_p+strlen(start_p);   //no include "\n"
        }
 
@@ -1455,7 +1457,8 @@ for(ii=1;;ii++) {
    buf2[end_p-start_p]='\0';
 
    //find value
-   if((start_p = kstrstr(buf2,"="))==NULL)
+   start_p = kstrstr(buf2,"=");
+   if (start_p == NULL)
       return FALSE;
    memset(buf1,0,100);
    strcpy(buf1,start_p+1);
@@ -1548,7 +1551,8 @@ static int Read_config_file(PSDevice pDevice) {
  pDevice->config_file.eAuthenMode = -1;
  pDevice->config_file.eEncryptionStatus = -1;
 
-  if((buffer=Config_FileOperation(pDevice)) ==NULL) {
+  buffer = Config_FileOperation(pDevice);
+  if (buffer == NULL) {
      result =-1;
      return result;
   }
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index 65e91a332a6..cd1da33cff7 100644
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -193,7 +193,8 @@ PIPEnsControlOut(
 			 usb_sndctrlpipe(pDevice->usb , 0), (char *) &pDevice->sUsbCtlRequest,
 			 pbyBuffer, wLength, s_nsControlInUsbIoCompleteWrite, pDevice);
 
-	if ((ntStatus = usb_submit_urb(pDevice->pControlURB, GFP_ATOMIC)) != 0) {
+	ntStatus = usb_submit_urb(pDevice->pControlURB, GFP_ATOMIC);
+	if (ntStatus != 0) {
 		DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"control send request submission failed: %d\n", ntStatus);
 		return STATUS_FAILURE;
 	}
@@ -251,7 +252,8 @@ PIPEnsControlIn(
 			 usb_rcvctrlpipe(pDevice->usb , 0), (char *) &pDevice->sUsbCtlRequest,
 			 pbyBuffer, wLength, s_nsControlInUsbIoCompleteRead, pDevice);
 
-	if ((ntStatus = usb_submit_urb(pDevice->pControlURB, GFP_ATOMIC)) != 0) {
+	ntStatus = usb_submit_urb(pDevice->pControlURB, GFP_ATOMIC);
+	if (ntStatus != 0) {
 		DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"control request submission failed: %d\n", ntStatus);
 	}else {
 		MP_SET_FLAG(pDevice, fMP_CONTROL_READS);
@@ -414,7 +416,8 @@ usb_fill_bulk_urb(pDevice->pInterruptURB,
 #endif
 #endif
 
-	if ((ntStatus = usb_submit_urb(pDevice->pInterruptURB, GFP_ATOMIC)) != 0) {
+	ntStatus = usb_submit_urb(pDevice->pInterruptURB, GFP_ATOMIC);
+	if (ntStatus != 0) {
 	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Submit int URB failed %d\n", ntStatus);
     }
 
@@ -494,7 +497,8 @@ s_nsInterruptUsbIoCompleteRead(
 
     if (pDevice->fKillEventPollingThread != TRUE) {
    #if 0               //reserve int URB submit
-	if ((ntStatus = usb_submit_urb(urb, GFP_ATOMIC)) != 0) {
+	ntStatus = usb_submit_urb(urb, GFP_ATOMIC);
+	if (ntStatus != 0) {
 	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Re-Submit int URB failed %d\n", ntStatus);
     }
    #else                                                                                     //replace int URB submit by bulk transfer
@@ -507,7 +511,8 @@ s_nsInterruptUsbIoCompleteRead(
 		     s_nsInterruptUsbIoCompleteRead,
 		     pDevice);
 
-	if ((ntStatus = usb_submit_urb(pDevice->pInterruptURB, GFP_ATOMIC)) != 0) {
+	ntStatus = usb_submit_urb(pDevice->pInterruptURB, GFP_ATOMIC);
+	if (ntStatus != 0) {
 	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Submit int URB failed %d\n", ntStatus);
            }
 
@@ -572,7 +577,8 @@ PIPEnsBulkInUsbRead(
 		s_nsBulkInUsbIoCompleteRead,
 		pRCB);
 
-	if((ntStatus = usb_submit_urb(pUrb, GFP_ATOMIC)) != 0){
+	ntStatus = usb_submit_urb(pUrb, GFP_ATOMIC);
+	if (ntStatus != 0) {
 		DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Submit Rx URB failed %d\n", ntStatus);
 		return STATUS_FAILURE ;
 	}
@@ -718,7 +724,8 @@ PIPEnsSendBulkOut(
         		s_nsBulkOutIoCompleteWrite,
         		pContext);
 
-    	if((status = usb_submit_urb(pUrb, GFP_ATOMIC))!=0)
+    	status = usb_submit_urb(pUrb, GFP_ATOMIC);
+    	if (status != 0)
     	{
     		DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Submit Tx URB failed %d\n", status);
     		return STATUS_FAILURE;

From 491dbc8d1ae56199ad199830d16c77c8317aa987 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 24 Mar 2010 22:17:07 -0700
Subject: [PATCH 0943/3638] Staging: wlags49_h2: Hoist assign from if

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/hcf.c       | 15 ++++++++++-----
 drivers/staging/wlags49_h2/wl_main.c   |  3 ++-
 drivers/staging/wlags49_h2/wl_netdev.c | 12 ++++++++----
 drivers/staging/wlags49_h2/wl_priv.c   |  9 ++++++---
 drivers/staging/wlags49_h2/wl_sysfs.c  |  3 ++-
 5 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/wlags49_h2/hcf.c b/drivers/staging/wlags49_h2/hcf.c
index 6e39f5081e2..390628c6c1e 100644
--- a/drivers/staging/wlags49_h2/hcf.c
+++ b/drivers/staging/wlags49_h2/hcf.c
@@ -990,7 +990,8 @@ int	rc = HCF_ERR_INCOMP_FW;
 			ifbp->IFB_CntlOpt |= DMA_ENABLED;
 			HCFASSERT( NT_ASSERT, NEVER_TESTED )
 			// make the entire rx descriptor chain DMA-owned, so the DMA engine can (re-)use it.
-			if ( ( p = ifbp->IFB_FirstDesc[DMA_RX] ) != NULL ) {   //;? Think this over again in the light of the new chaining strategy
+			p = ifbp->IFB_FirstDesc[DMA_RX];
+			if (p != NULL) {   //;? Think this over again in the light of the new chaining strategy
 				if ( 1 ) 	{ //begin alternative
 					HCFASSERT( NT_ASSERT, NEVER_TESTED )
 					put_frame_lst( ifbp, ifbp->IFB_FirstDesc[DMA_RX], DMA_RX );
@@ -2087,7 +2088,8 @@ wci_bufp	pt;					//pointer with the "right" type, just to help ease writing macr
 			OPW( HREG_AUX_OFFSET, (hcf_16)(PLUG_DATA_OFFSET & 0x7E) );
 			io_port = ifbp->IFB_IOBase + HREG_AUX_DATA;		//to prevent side effects of the MSF-defined macro
 			p = ltvp->val;					//destination char pointer (in LTV record)
-			if ( ( i = len - 1 ) > 0 ) {
+			i = len - 1;
+			if (i > 0 ) {
 				pt = (wci_bufp)p;	//just to help ease writing macros with embedded assembly
 				IN_PORT_STRING_8_16( io_port, pt, i ); //space used by T: -1
 			}
@@ -2674,7 +2676,8 @@ hcf_16		fid = 0;
 
 #if (HCF_EXT) & HCF_EXT_TX_CONT				// Continuous transmit test
 	if ( tx_cntl == HFS_TX_CNTL_TX_CONT ) {
-	 	if ( ( fid = get_fid( ifbp ) ) != 0 ) {
+	 	fid = get_fid(ifbp);
+	 	if (fid != 0 ) {
 											//setup BAP to begin of TxFS
 			(void)setup_bap( ifbp, fid, 0, IO_OUT );
 											//copy all the fragments in a transparent fashion
@@ -2700,7 +2703,8 @@ hcf_16		fid = 0;
 #if (HCF_TYPE) & HCF_TYPE_WPA
 	tx_cntl |= ifbp->IFB_MICTxCntl;
 #endif // HCF_TYPE_WPA
-	if ( (fid = ifbp->IFB_TxFID) == 0 && ( fid = get_fid( ifbp ) ) != 0 ) 		/* 4 */
+	fid = ifbp->IFB_TxFID;
+	if (fid == 0 && ( fid = get_fid( ifbp ) ) != 0 ) 		/* 4 */
 			/* skip the next compound statement if:
 			   - pre-put message or
 			   - no fid available (which should never occur if the MSF adheres to the WCI)
@@ -4860,7 +4864,8 @@ PROT_CNT_INI
 int	rc;
 
 	HCFTRACE( ifbp, HCF_TRACE_STRIO );
-	if ( ( rc = ifbp->IFB_DefunctStat ) == HCF_SUCCESS ) {										/*2*/
+	rc = ifbp->IFB_DefunctStat;
+	if (rc == HCF_SUCCESS) {										/*2*/
 		OPW( HREG_SELECT_1, fid );																/*4*/
 		OPW( HREG_OFFSET_1, offset );
 		if ( type == IO_IN ) {
diff --git a/drivers/staging/wlags49_h2/wl_main.c b/drivers/staging/wlags49_h2/wl_main.c
index cf0c38468b2..88d0d472142 100644
--- a/drivers/staging/wlags49_h2/wl_main.c
+++ b/drivers/staging/wlags49_h2/wl_main.c
@@ -3591,7 +3591,8 @@ int scull_read_procmem(char *buf, char **start, off_t offset, int len, int *eof,
 
     len=0;
 
-	if ( ( lp = ((struct net_device *)data)->priv ) == NULL ) {
+	lp = ((struct net_device *)data)->priv;
+	if (lp == NULL) {
         len += sprintf(buf+len,"No wl_private in scull_read_procmem\n" );
 	} else if ( lp->wlags49_type == 0 ){
    	    ifbp = &lp->hcfCtx;
diff --git a/drivers/staging/wlags49_h2/wl_netdev.c b/drivers/staging/wlags49_h2/wl_netdev.c
index 1db73ebcae2..1cfaee3a235 100644
--- a/drivers/staging/wlags49_h2/wl_netdev.c
+++ b/drivers/staging/wlags49_h2/wl_netdev.c
@@ -930,8 +930,10 @@ int wl_rx(struct net_device *dev)
         port = ( hfs_stat >> 8 ) & 0x0007;
         DBG_RX( DbgInfo, "Rx frame for port %d\n", port );
 
-        if(( pktlen = lp->hcfCtx.IFB_RxLen ) != 0 ) {
-            if(( skb = ALLOC_SKB( pktlen )) != NULL ) {
+        pktlen = lp->hcfCtx.IFB_RxLen;
+        if (pktlen != 0) {
+            skb = ALLOC_SKB(pktlen);
+            if (skb != NULL) {
                 /* Set the netdev based on the port */
                 switch( port ) {
 #ifdef USE_WDS
@@ -1995,8 +1997,10 @@ int wl_rx_dma( struct net_device *dev )
                 port = ( hfs_stat >> 8 ) & 0x0007;
                 DBG_RX( DbgInfo, "Rx frame for port %d\n", port );
 
-                if(( pktlen = GET_BUF_CNT( desc_next )) != 0 ) {
-                    if(( skb = ALLOC_SKB( pktlen )) != NULL ) {
+                pktlen = GET_BUF_CNT(desc_next);
+                if (pktlen != 0) {
+                    skb = ALLOC_SKB(pktlen);
+                    if (skb != NULL) {
                         switch( port ) {
 #ifdef USE_WDS
                         case 1:
diff --git a/drivers/staging/wlags49_h2/wl_priv.c b/drivers/staging/wlags49_h2/wl_priv.c
index 727ea8a483a..a67ff529d35 100644
--- a/drivers/staging/wlags49_h2/wl_priv.c
+++ b/drivers/staging/wlags49_h2/wl_priv.c
@@ -503,7 +503,8 @@ int wvlan_uil_send_diag_msg( struct uilreq *urq, struct wl_private *lp )
 						return result;
 					}
 
-					if ((data = kmalloc(urq->len, GFP_KERNEL)) != NULL) {
+					data = kmalloc(urq->len, GFP_KERNEL);
+					if (data != NULL) {
 						memset( Descp, 0, sizeof( DESC_STRCT ));
 						memcpy( data, urq->data, urq->len );
 
@@ -617,7 +618,8 @@ int wvlan_uil_put_info( struct uilreq *urq, struct wl_private *lp )
 				   LTV record, try to allocate it from the kernel stack.
 				   Otherwise, we just use our local LTV record. */
 				if( urq->len > sizeof( lp->ltvRecord )) {
-					if(( pLtv = (ltv_t *)kmalloc( urq->len, GFP_KERNEL )) != NULL ) {
+					pLtv = (ltv_t *)kmalloc( urq->len, GFP_KERNEL );
+					if (pLtv != NULL) {
 						ltvAllocated = TRUE;
 					} else {
 						DBG_ERROR( DbgInfo, "Alloc FAILED\n" );
@@ -1296,7 +1298,8 @@ int wvlan_uil_get_info( struct uilreq *urq, struct wl_private *lp )
 				   LTV record, try to allocate it from the kernel stack.
 				   Otherwise, we just use our local LTV record. */
 				if( urq->len > sizeof( lp->ltvRecord )) {
-					if(( pLtv = (ltv_t *)kmalloc( urq->len, GFP_KERNEL )) != NULL ) {
+					pLtv = (ltv_t *)kmalloc( urq->len, GFP_KERNEL );
+					if (pLtv != NULL) {
 						ltvAllocated = TRUE;
 
 						/* Copy the command/length information into the new buffer. */
diff --git a/drivers/staging/wlags49_h2/wl_sysfs.c b/drivers/staging/wlags49_h2/wl_sysfs.c
index 864e01a736c..e4c8804ac37 100644
--- a/drivers/staging/wlags49_h2/wl_sysfs.c
+++ b/drivers/staging/wlags49_h2/wl_sysfs.c
@@ -46,7 +46,8 @@ static ssize_t show_tallies(struct device *d, struct device_attribute *attr,
     if (dev_isalive(dev)) {
 	wl_lock(lp, &flags);
 
-	if ((ret = wl_get_tallies(lp, &tallies)) == 0) {
+	ret = wl_get_tallies(lp, &tallies);
+	if (ret == 0) {
 		wl_unlock(lp, &flags);
 		ret = snprintf(buf, PAGE_SIZE,
 		    "TxUnicastFrames:           %u\n"

From b761cbb56ec8f4a1ad0b68a6d457d9e506c12037 Mon Sep 17 00:00:00 2001
From: Vikram Dhillon <dhillonv10@gmail.com>
Date: Sun, 14 Mar 2010 20:39:30 -0400
Subject: [PATCH 0944/3638] Staging: arlan: arlan.h: Fixed some style issues

Fixed some style issues in accordance with checkpatch.pl. Before the
patch contained "total: 2 errors, 186 warnings, 535 lines checked" and
now it has: total: 0 errors, 170 warnings. Most of the warnings that
remain now are the line over 80 chars ones.

Signed-off-by: Vikram Dhillon <dhillonv10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/arlan/arlan.h | 40 +++++++++++++++++------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/drivers/staging/arlan/arlan.h b/drivers/staging/arlan/arlan.h
index ffcd3ea048a..3974acf076b 100644
--- a/drivers/staging/arlan/arlan.h
+++ b/drivers/staging/arlan/arlan.h
@@ -318,7 +318,7 @@ extern struct arlan_conf_stru arlan_conf[MAX_ARLANS];
 struct TxParam {
       volatile	short 		offset;
       volatile 	short 		length;
-      volatile	u_char 		dest[6];
+      volatile	u_char	dest[6];
       volatile	unsigned	char clear;
       volatile	unsigned	char retries;
       volatile	unsigned	char routing;
@@ -354,37 +354,37 @@ struct arlan_private {
       unsigned long	tx_last_sent;
       unsigned long	tx_last_cleared;
       unsigned long	retransmissions;
-      unsigned long 	interrupt_ack_requested;
+      unsigned long	interrupt_ack_requested;
       spinlock_t	lock;
       unsigned long	waiting_command_mask;
-      unsigned long 	card_polling_interval;
-      unsigned long 	last_command_buff_free_time;
+      unsigned long	card_polling_interval;
+      unsigned long	last_command_buff_free_time;
 
-      int 		under_reset;
-      int 		under_config;
-      int 		rx_command_given;
-      int	 	tx_command_given;
+      int		under_reset;
+      int		under_config;
+      int		rx_command_given;
+      int		tx_command_given;
       unsigned  long	interrupt_processing_active;
       unsigned long	last_rx_int_ack_time;
       unsigned long	in_bytes;
-      unsigned long 	out_bytes;
+      unsigned long	out_bytes;
       unsigned long	in_time;
       unsigned long	out_time;
       unsigned long	in_time10;
       unsigned long	out_time10;
       unsigned long	in_bytes10;
-      unsigned long 	out_bytes10;
+      unsigned long	out_bytes10;
       int	init_etherdev_alloc;
 };
 
 
 
 #define ARLAN_CLEAR		0x00
-#define ARLAN_RESET 		0x01
+#define ARLAN_RESET		0x01
 #define ARLAN_CHANNEL_ATTENTION 0x02
-#define ARLAN_INTERRUPT_ENABLE 	0x04
-#define ARLAN_CLEAR_INTERRUPT 	0x08
-#define ARLAN_POWER 		0x40
+#define ARLAN_INTERRUPT_ENABLE	0x04
+#define ARLAN_CLEAR_INTERRUPT	0x08
+#define ARLAN_POWER		0x40
 #define ARLAN_ACCESS		0x80
 
 #define ARLAN_COM_CONF                0x01
@@ -445,8 +445,8 @@ struct arlan_private {
 
 
 #define registrationBad(dev)\
-    ((   READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationMode)    > 0) && \
-     (   READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationStatus) == 0))
+    ((READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationMode)    > 0) && \
+     (READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationStatus) == 0))
 
 
 #define readControlRegister(dev)\
@@ -461,9 +461,9 @@ struct arlan_private {
    int cr;   \
    \
    cr = readControlRegister(dev);\
-   if (cr & ARLAN_CHANNEL_ATTENTION) { \
+   if (cr & ARLAN_CHANNEL_ATTENTION) \
       writeControlRegister(dev, (cr & ~ARLAN_CHANNEL_ATTENTION));\
-   } else  \
+   else \
       writeControlRegister(dev, (cr | ARLAN_CHANNEL_ATTENTION));\
 }
 
@@ -504,8 +504,8 @@ struct arlan_private {
 #define ARLAN_COMMAND_RX_ABORT		0x000080
 #define ARLAN_COMMAND_POWERDOWN		0x000100
 #define ARLAN_COMMAND_POWERUP		0x000200
-#define ARLAN_COMMAND_SLOW_POLL 	0x000400
-#define ARLAN_COMMAND_ACTIVATE 		0x000800
+#define ARLAN_COMMAND_SLOW_POLL	0x000400
+#define ARLAN_COMMAND_ACTIVATE	0x000800
 #define ARLAN_COMMAND_INT_ACK		0x001000
 #define ARLAN_COMMAND_INT_ENABLE	0x002000
 #define ARLAN_COMMAND_WAIT_NOW		0x004000

From 17e7b137df499a9d6c9c69dd28d427e6117aa17c Mon Sep 17 00:00:00 2001
From: Chihau Chau <chihau@gmail.com>
Date: Mon, 15 Mar 2010 00:44:54 -0300
Subject: [PATCH 0945/3638] Staging: dream: smd: smd_qmi: fix code style issues

This fixes some code style issues about to #include <linux/uaccess.h>
instead of <asm/uaccess.h> and some not necessary braces {}.

Signed-off-by: Chihau Chau <chihau@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/smd/smd_qmi.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/dream/smd/smd_qmi.c b/drivers/staging/dream/smd/smd_qmi.c
index 687db142904..9e9067fb271 100644
--- a/drivers/staging/dream/smd/smd_qmi.c
+++ b/drivers/staging/dream/smd/smd_qmi.c
@@ -25,7 +25,7 @@
 #include <linux/miscdevice.h>
 #include <linux/workqueue.h>
 
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <mach/msm_smd.h>
 
 #define QMI_CTL 0x00
@@ -643,11 +643,10 @@ static int qmi_print_state(struct qmi_ctxt *ctxt, char *buf, int max)
 	}
 
 	i = scnprintf(buf, max, "STATE=%s\n", statename);
-	i += scnprintf(buf + i, max - i, "CID=%d\n",ctxt->wds_client_id);
+	i += scnprintf(buf + i, max - i, "CID=%d\n", ctxt->wds_client_id);
 
-	if (ctxt->state != STATE_ONLINE){
+	if (ctxt->state != STATE_ONLINE)
 		return i;
-	}
 
 	i += scnprintf(buf + i, max - i, "ADDR=%d.%d.%d.%d\n",
 		ctxt->addr[0], ctxt->addr[1], ctxt->addr[2], ctxt->addr[3]);

From 593a961649226aae13705dc066ee277f112b8397 Mon Sep 17 00:00:00 2001
From: Chihau Chau <chihau@gmail.com>
Date: Mon, 15 Mar 2010 00:29:02 -0300
Subject: [PATCH 0946/3638] Staging: dream: smd: smd_private: fix code style
 issues

This put open braces '{' following structs on the same line.

Signed-off-by: Chihau Chau <chihau@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/smd/smd_private.h | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/dream/smd/smd_private.h b/drivers/staging/dream/smd/smd_private.h
index c0eb3de1be5..1b2e1c89ea2 100644
--- a/drivers/staging/dream/smd/smd_private.h
+++ b/drivers/staging/dream/smd/smd_private.h
@@ -16,24 +16,21 @@
 #ifndef _ARCH_ARM_MACH_MSM_MSM_SMD_PRIVATE_H_
 #define _ARCH_ARM_MACH_MSM_MSM_SMD_PRIVATE_H_
 
-struct smem_heap_info
-{
+struct smem_heap_info {
 	unsigned initialized;
 	unsigned free_offset;
 	unsigned heap_remaining;
 	unsigned reserved;
 };
 
-struct smem_heap_entry
-{
+struct smem_heap_entry {
 	unsigned allocated;
 	unsigned offset;
 	unsigned size;
 	unsigned reserved;
 };
 
-struct smem_proc_comm
-{
+struct smem_proc_comm {
 	unsigned command;
 	unsigned status;
 	unsigned data1;
@@ -49,22 +46,19 @@ struct smem_proc_comm
 #define VERSION_APPS      8
 #define VERSION_MODEM     9
 
-struct smem_shared
-{
+struct smem_shared {
 	struct smem_proc_comm proc_comm[4];
 	unsigned version[32];
 	struct smem_heap_info heap_info;
 	struct smem_heap_entry heap_toc[128];
 };
 
-struct smsm_shared
-{
+struct smsm_shared {
 	unsigned host;
 	unsigned state;
 };
 
-struct smsm_interrupt_info
-{
+struct smsm_interrupt_info {
 	uint32_t aArm_en_mask;
 	uint32_t aArm_interrupts_pending;
 	uint32_t aArm_wakeup_reason;
@@ -108,8 +102,7 @@ void smsm_print_sleep_info(void);
 
 #define SMEM_NUM_SMD_CHANNELS        64
 
-typedef enum
-{
+typedef enum {
 	/* fixed items */
 	SMEM_PROC_COMM = 0,
 	SMEM_HEAP_INFO,

From 5ff0dd18267efc0e7b0352fe54b74114b58535ae Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 20 Mar 2010 15:13:00 +0100
Subject: [PATCH 0947/3638] Staging: dream: fix dangling i2c pointers

Fix I2C-drivers which missed setting clientdata to NULL before freeing the
structure it points to. Also fix drivers which do this _after_ the structure
was freed already.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/synaptics_i2c_rmi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/dream/synaptics_i2c_rmi.c b/drivers/staging/dream/synaptics_i2c_rmi.c
index d2ca116a1c2..ae2f72ca735 100644
--- a/drivers/staging/dream/synaptics_i2c_rmi.c
+++ b/drivers/staging/dream/synaptics_i2c_rmi.c
@@ -535,6 +535,7 @@ err_input_register_device_failed:
 err_input_dev_alloc_failed:
 err_detect_failed:
 err_power_failed:
+	i2c_set_clientdata(client, NULL);
 	kfree(ts);
 err_alloc_data_failed:
 err_check_functionality_failed:
@@ -552,6 +553,7 @@ static int synaptics_ts_remove(struct i2c_client *client)
 	else
 		hrtimer_cancel(&ts->timer);
 	input_unregister_device(ts->input_dev);
+	i2c_set_clientdata(client, NULL);
 	kfree(ts);
 	return 0;
 }

From 665752e528c32e40d9f5c684abd53ebd2f1ae724 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 20 Mar 2010 15:13:01 +0100
Subject: [PATCH 0948/3638] Staging: go7007: fix dangling i2c pointers

Fix I2C-drivers which missed setting clientdata to NULL before freeing the
structure it points to. Also fix drivers which do this _after_ the structure
was freed already.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/go7007/wis-saa7113.c | 1 +
 drivers/staging/go7007/wis-saa7115.c | 1 +
 drivers/staging/go7007/wis-tw9903.c  | 1 +
 3 files changed, 3 insertions(+)

diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c
index 5c12b4d3845..bd925457f8b 100644
--- a/drivers/staging/go7007/wis-saa7113.c
+++ b/drivers/staging/go7007/wis-saa7113.c
@@ -289,6 +289,7 @@ static int wis_saa7113_probe(struct i2c_client *client,
 	if (write_regs(client, initial_registers) < 0) {
 		printk(KERN_ERR
 			"wis-saa7113: error initializing SAA7113\n");
+		i2c_set_clientdata(client, NULL);
 		kfree(dec);
 		return -ENODEV;
 	}
diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c
index 73f2283a880..b2eb804c195 100644
--- a/drivers/staging/go7007/wis-saa7115.c
+++ b/drivers/staging/go7007/wis-saa7115.c
@@ -422,6 +422,7 @@ static int wis_saa7115_probe(struct i2c_client *client,
 	if (write_regs(client, initial_registers) < 0) {
 		printk(KERN_ERR
 			"wis-saa7115: error initializing SAA7115\n");
+		i2c_set_clientdata(client, NULL);
 		kfree(dec);
 		return -ENODEV;
 	}
diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c
index 3ac6f785c4a..2afea09091b 100644
--- a/drivers/staging/go7007/wis-tw9903.c
+++ b/drivers/staging/go7007/wis-tw9903.c
@@ -294,6 +294,7 @@ static int wis_tw9903_probe(struct i2c_client *client,
 
 	if (write_regs(client, initial_registers) < 0) {
 		printk(KERN_ERR "wis-tw9903: error initializing TW9903\n");
+		i2c_set_clientdata(client, NULL);
 		kfree(dec);
 		return -ENODEV;
 	}

From cf1b02d0b8f5415c776d1de548bbf720fc782740 Mon Sep 17 00:00:00 2001
From: Hemanth V <hemanthv@ti.com>
Date: Thu, 1 Apr 2010 18:46:19 +0530
Subject: [PATCH 0949/3638] Staging: dream: Synaptic: Remove non-standard multi
 touch support

Signed-off-by: Hemanth V <hemanthv@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/synaptics_i2c_rmi.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/staging/dream/synaptics_i2c_rmi.c b/drivers/staging/dream/synaptics_i2c_rmi.c
index ae2f72ca735..e34d11fac2b 100644
--- a/drivers/staging/dream/synaptics_i2c_rmi.c
+++ b/drivers/staging/dream/synaptics_i2c_rmi.c
@@ -109,9 +109,7 @@ static void decode_report(struct synaptics_ts_data *ts, u8 *buf)
 	int f, a;
 	int base = 2;
 	int z = buf[1];
-	int w = buf[0] >> 4;
 	int finger = buf[0] & 7;
-	int finger2_pressed;
 
 	for (f = 0; f < 2; f++) {
 		u32 flip_flag = SYNAPTICS_FLIP_X;
@@ -151,14 +149,7 @@ static void decode_report(struct synaptics_ts_data *ts, u8 *buf)
 		input_report_abs(ts->input_dev, ABS_Y, pos[0][1]);
 	}
 	input_report_abs(ts->input_dev, ABS_PRESSURE, z);
-	input_report_abs(ts->input_dev, ABS_TOOL_WIDTH, w);
 	input_report_key(ts->input_dev, BTN_TOUCH, finger);
-	finger2_pressed = finger > 1 && finger != 7;
-	input_report_key(ts->input_dev, BTN_2, finger2_pressed);
-	if (finger2_pressed) {
-		input_report_abs(ts->input_dev, ABS_HAT0X, pos[1][0]);
-		input_report_abs(ts->input_dev, ABS_HAT0Y, pos[1][1]);
-	}
 	input_sync(ts->input_dev);
 }
 
@@ -347,11 +338,6 @@ static void compute_areas(struct synaptics_ts_data *ts,
 			     -inactive_area_top, max_y + inactive_area_bottom,
 			     fuzz_y, 0);
 	input_set_abs_params(ts->input_dev, ABS_PRESSURE, 0, 255, fuzz_p, 0);
-	input_set_abs_params(ts->input_dev, ABS_TOOL_WIDTH, 0, 15, fuzz_w, 0);
-	input_set_abs_params(ts->input_dev, ABS_HAT0X, -inactive_area_left,
-			     max_x + inactive_area_right, fuzz_x, 0);
-	input_set_abs_params(ts->input_dev, ABS_HAT0Y, -inactive_area_top,
-			     max_y + inactive_area_bottom, fuzz_y, 0);
 }
 
 static struct synaptics_i2c_rmi_platform_data fake_pdata;
@@ -487,7 +473,6 @@ static int __devinit synaptics_ts_probe(
 	__set_bit(EV_SYN, ts->input_dev->evbit);
 	__set_bit(EV_KEY, ts->input_dev->evbit);
 	__set_bit(BTN_TOUCH, ts->input_dev->keybit);
-	__set_bit(BTN_2, ts->input_dev->keybit);
 	__set_bit(EV_ABS, ts->input_dev->evbit);
 
 	compute_areas(ts, pdata, max_x, max_y);

From 97dcc7c6fc52fe64f15b431397e44fba398b1768 Mon Sep 17 00:00:00 2001
From: Hemanth V <hemanthv@ti.com>
Date: Thu, 1 Apr 2010 18:46:27 +0530
Subject: [PATCH 0950/3638] Staging: dream: Synaptic: Add threaded IRQ support

Signed-off-by: Hemanth V <hemanthv@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/synaptics_i2c_rmi.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/dream/synaptics_i2c_rmi.c b/drivers/staging/dream/synaptics_i2c_rmi.c
index e34d11fac2b..1f020dad623 100644
--- a/drivers/staging/dream/synaptics_i2c_rmi.c
+++ b/drivers/staging/dream/synaptics_i2c_rmi.c
@@ -199,8 +199,6 @@ static void synaptics_ts_work_func(struct work_struct *work)
 
 		decode_report(ts, buf);
 	}
-	if (ts->use_irq)
-		enable_irq(ts->client->irq);
 }
 
 static enum hrtimer_restart synaptics_ts_timer_func(struct hrtimer *timer)
@@ -218,8 +216,7 @@ static irqreturn_t synaptics_ts_irq_handler(int irq, void *dev_id)
 {
 	struct synaptics_ts_data *ts = dev_id;
 
-	disable_irq_nosync(ts->client->irq);
-	queue_work(synaptics_wq, &ts->work);
+	synaptics_ts_work_func(&ts->work);
 	return IRQ_HANDLED;
 }
 
@@ -485,8 +482,10 @@ static int __devinit synaptics_ts_probe(
 		goto err_input_register_device_failed;
 	}
 	if (client->irq) {
-		ret = request_irq(client->irq, synaptics_ts_irq_handler,
-				  0, client->name, ts);
+		ret = request_threaded_irq(client->irq, NULL,
+					synaptics_ts_irq_handler,
+					IRQF_TRIGGER_LOW|IRQF_ONESHOT,
+					client->name, ts);
 		if (ret == 0) {
 			ret = i2c_set(ts, 0xf1, 0x01, "enable abs int");
 			if (ret)

From eb450e894524f912941b121ff036dae14b83d53d Mon Sep 17 00:00:00 2001
From: Chihau Chau <chihau@gmail.com>
Date: Sat, 10 Apr 2010 15:14:38 -0400
Subject: [PATCH 0951/3638] Staging: dream: pmem: fix some code style issues

This fixes some code style issues like prohibited spaces after that open
parenthesis '(' and before that close parenthesis ')', and lines over 80
characters.

Signed-off-by: Chihau Chau <chihau@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/pmem.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/dream/pmem.c b/drivers/staging/dream/pmem.c
index 6edfdd4ef80..dbd2b1d14c4 100644
--- a/drivers/staging/dream/pmem.c
+++ b/drivers/staging/dream/pmem.c
@@ -38,17 +38,17 @@
  * the file should not be released until put_pmem_file is called */
 #define PMEM_FLAGS_BUSY 0x1
 /* indicates that this is a suballocation of a larger master range */
-#define PMEM_FLAGS_CONNECTED ( 0x1 << 1 )
+#define PMEM_FLAGS_CONNECTED (0x1 << 1)
 /* indicates this is a master and not a sub allocation and that it is mmaped */
-#define PMEM_FLAGS_MASTERMAP ( 0x1 << 2 )
+#define PMEM_FLAGS_MASTERMAP (0x1 << 2)
 /* submap and unsubmap flags indicate:
  * 00: subregion has never been mmaped
  * 10: subregion has been mmaped, reference to the mm was taken
  * 11: subretion has ben released, refernece to the mm still held
  * 01: subretion has been released, reference to the mm has been released
  */
-#define PMEM_FLAGS_SUBMAP ( 0x1 << 3 )
-#define PMEM_FLAGS_UNSUBMAP ( 0x1 << 4 )
+#define PMEM_FLAGS_SUBMAP (0x1 << 3)
+#define PMEM_FLAGS_UNSUBMAP (0x1 << 4)
 
 
 struct pmem_data {
@@ -153,7 +153,7 @@ struct pmem_info {
 static struct pmem_info pmem[PMEM_MAX_DEVICES];
 static int id_count;
 
-#define PMEM_IS_FREE(id, index) ( !(pmem[id].bitmap[index].allocated) )
+#define PMEM_IS_FREE(id, index) (!(pmem[id].bitmap[index].allocated))
 #define PMEM_ORDER(id, index) pmem[id].bitmap[index].order
 #define PMEM_BUDDY_INDEX(id, index) (index ^ (1 << PMEM_ORDER(id, index)))
 #define PMEM_NEXT_INDEX(id, index) (index + (1 << PMEM_ORDER(id, index)))
@@ -845,8 +845,8 @@ static int pmem_connect(unsigned long connect, struct file *file)
 	src_data = (struct pmem_data *)src_file->private_data;
 
 	if (has_allocation(file) && (data->index != src_data->index)) {
-		printk(KERN_INFO "pmem: file is already mapped but doesn't match this"
-		       " src_file!\n");
+		printk(KERN_INFO "pmem: file is already mapped but doesn't "
+			"match this src_file!\n");
 		ret = -EINVAL;
 		goto err_bad_file;
 	}
@@ -935,8 +935,8 @@ int pmem_remap(struct pmem_region *region, struct file *file,
 	if (unlikely(!PMEM_IS_PAGE_ALIGNED(region->offset) ||
 		 !PMEM_IS_PAGE_ALIGNED(region->len))) {
 #if PMEM_DEBUG
-		printk(KERN_DEBUG "pmem: request for unaligned pmem suballocation "
-		       "%lx %lx\n", region->offset, region->len);
+		printk(KERN_DEBUG "pmem: request for unaligned pmem "
+			"suballocation %lx %lx\n", region->offset, region->len);
 #endif
 		return -EINVAL;
 	}
@@ -1086,8 +1086,8 @@ static long pmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 				region.offset = pmem_start_addr(id, data);
 				region.len = pmem_len(id, data);
 			}
-			printk(KERN_INFO "pmem: request for physical address of pmem region "
-					"from process %d.\n", current->pid);
+			printk(KERN_INFO "pmem: request for physical address "
+			     "of pmem region from process %d.\n", current->pid);
 			if (copy_to_user((void __user *)arg, &region,
 						sizeof(struct pmem_region)))
 				return -EFAULT;

From 41f8b96e3d1a25e328ae77727fefa4e3c780f8a4 Mon Sep 17 00:00:00 2001
From: Chihau Chau <chihau@gmail.com>
Date: Thu, 15 Apr 2010 17:01:37 -0400
Subject: [PATCH 0952/3638] Staging: dream: smd: smd_qmi: fix code style issues

This fixes some code style issues detected with the checkpatch.pl
script, like not necessary braces {} in some if and else statements and
include a KERN_INFO facility level in a printk() function.

Signed-off-by: Chihau Chau <chihau@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/smd/smd_qmi.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/dream/smd/smd_qmi.c b/drivers/staging/dream/smd/smd_qmi.c
index 9e9067fb271..76fce5142d9 100644
--- a/drivers/staging/dream/smd/smd_qmi.c
+++ b/drivers/staging/dream/smd/smd_qmi.c
@@ -211,11 +211,10 @@ static int qmi_send(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
 
 	qmi_dump_msg(msg, "send");
 
-	if (msg->service == QMI_CTL) {
+	if (msg->service == QMI_CTL)
 		hlen = QMUX_HEADER - 1;
-	} else {
+	else
 		hlen = QMUX_HEADER;
-	}
 
 	/* QMUX length is total header + total payload - IFC selector */
 	len = hlen + msg->size - 1;
@@ -248,11 +247,10 @@ static int qmi_send(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
 	/* len + 1 takes the interface selector into account */
 	r = smd_write(ctxt->ch, msg->tlv - hlen, len + 1);
 
-	if (r != len) {
+	if (r != len)
 		return -1;
-	} else {
+	else
 		return 0;
-	}
 }
 
 static void qmi_process_ctl_msg(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
@@ -376,7 +374,7 @@ static void qmi_process_broadcast_wds_msg(struct qmi_ctxt *ctxt,
 static void qmi_process_wds_msg(struct qmi_ctxt *ctxt,
 				struct qmi_msg *msg)
 {
-	printk("wds: %04x @ %02x\n", msg->type, msg->client_id);
+	printk(KERN_INFO "wds: %04x @ %02x\n", msg->type, msg->client_id);
 	if (msg->client_id == ctxt->wds_client_id) {
 		qmi_process_unicast_wds_msg(ctxt, msg);
 	} else if (msg->client_id == 0xff) {
@@ -504,9 +502,8 @@ static void qmi_notify(void *priv, unsigned event)
 	case SMD_EVENT_DATA: {
 		int sz;
 		sz = smd_cur_packet_size(ctxt->ch);
-		if ((sz > 0) && (sz <= smd_read_avail(ctxt->ch))) {
+		if ((sz > 0) && (sz <= smd_read_avail(ctxt->ch)))
 			queue_work(qmi_wq, &ctxt->read_work);
-		}
 		break;
 	}
 	case SMD_EVENT_OPEN:

From 1bd3302c383e8179423d15a53891c49663a06e23 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 17:00:57 +0200
Subject: [PATCH 0953/3638] Staging: usbip: fix space before tab in
 usbip_common.h

This is a patch  to the usbip_common.h fix space before tab
warning found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/usbip/usbip_common.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/staging/usbip/usbip_common.h
index 6f1dcb197d1..e1bbd1287e2 100644
--- a/drivers/staging/usbip/usbip_common.h
+++ b/drivers/staging/usbip/usbip_common.h
@@ -182,7 +182,7 @@ struct usbip_header_basic {
 	__u32 devid;
 
 #define USBIP_DIR_OUT	0
-#define USBIP_DIR_IN 	1
+#define USBIP_DIR_IN	1
 	__u32 direction;
 	__u32 ep;     /* endpoint number */
 } __attribute__ ((packed));

From 005126872a3a605d6f7fc2f739f5d4234f9df92c Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 17:06:44 +0200
Subject: [PATCH 0954/3638] Staging: usbip: fix space before tab in vhci_hcd.c

This is a patch  to the vhci_hcd.c fix space before tab
warning found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/usbip/vhci_hcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c
index 0b1766122d3..be5d8db9816 100644
--- a/drivers/staging/usbip/vhci_hcd.c
+++ b/drivers/staging/usbip/vhci_hcd.c
@@ -1072,7 +1072,7 @@ static struct hc_driver vhci_hc_driver = {
 	.flags		= HCD_USB2,
 
 	.start		= vhci_start,
-	.stop 		= vhci_stop,
+	.stop		= vhci_stop,
 
 	.urb_enqueue	= vhci_urb_enqueue,
 	.urb_dequeue	= vhci_urb_dequeue,

From acc4e4168f87c05be31c3259ee0cb6262473c8ea Mon Sep 17 00:00:00 2001
From: Michael Sprecher <sprecher.m@gmail.com>
Date: Wed, 17 Mar 2010 21:15:44 +0100
Subject: [PATCH 0955/3638] staging: usbip: fix coding style issues in the
 usbip driver

This is a patch to the usbip driver that fixes up some coding style
issues found by the checkpack.pl tool

Signed-off-by: Michael Sprecher <sprecher.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/usbip/vhci_tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/usbip/vhci_tx.c b/drivers/staging/usbip/vhci_tx.c
index b71b4c2fbd8..e1c1f716a1c 100644
--- a/drivers/staging/usbip/vhci_tx.c
+++ b/drivers/staging/usbip/vhci_tx.c
@@ -179,7 +179,7 @@ static int vhci_send_cmd_unlink(struct vhci_device *vdev)
 		memset(&msg, 0, sizeof(msg));
 		memset(&iov, 0, sizeof(iov));
 
-		usbip_dbg_vhci_tx("setup cmd unlink, %lu \n", unlink->seqnum);
+		usbip_dbg_vhci_tx("setup cmd unlink, %lu\n", unlink->seqnum);
 
 
 		/* 1. setup usbip_header */

From 013659f558d90369d1a555ae3c39cc42a6c3cb74 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Thu, 25 Mar 2010 18:22:37 +0100
Subject: [PATCH 0956/3638] Staging: iio:
 Documentation/lis3l02dqbuffersimple.c: duplicated include

drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c: dirent.h is included more than once.

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c b/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
index 2b5cfc58d78..6a8fa0c9372 100644
--- a/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
+++ b/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
@@ -19,7 +19,6 @@
 #include <sys/dir.h>
 
 #include <linux/types.h>
-#include <dirent.h>
 #include "iio_util.h"
 
 static const char *ring_access = "/dev/iio/lis3l02dq_ring_access";

From ceb0525c9e4f7e6a3ec762deb0960be3522030dc Mon Sep 17 00:00:00 2001
From: Barry Song <21cnbao@gmail.com>
Date: Mon, 26 Apr 2010 12:19:01 +0800
Subject: [PATCH 0957/3638] Staging: iio: fix typo in userspace example codes
 and document

Signed-off-by: Barry Song <21cnbao@gmail.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c | 2 +-
 drivers/staging/iio/Documentation/userspace.txt           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c b/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
index 6a8fa0c9372..08e012fa846 100644
--- a/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
+++ b/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
@@ -19,7 +19,7 @@
 #include <sys/dir.h>
 
 #include <linux/types.h>
-#include "iio_util.h"
+#include "iio_utils.h"
 
 static const char *ring_access = "/dev/iio/lis3l02dq_ring_access";
 static const char *ring_event = "/dev/iio/lis3l02dq_ring_event";
diff --git a/drivers/staging/iio/Documentation/userspace.txt b/drivers/staging/iio/Documentation/userspace.txt
index 661015a0b86..4838818f65e 100644
--- a/drivers/staging/iio/Documentation/userspace.txt
+++ b/drivers/staging/iio/Documentation/userspace.txt
@@ -56,5 +56,5 @@ KERNEL="ring_event_line*", ID="spi1.0", DRIVER="lis3l02dq", NAME="iio/lis3l02dq_
 KERNEL="event_line*", ID="spi1.0", DRIVER="lis3l02dq", NAME="iio/lis3l02dq_event"
 KERNEL="ring_access*", ID="spi1.0", DRIVER="lis3l02dq", NAME="iio/lis3l02dq_ring_access"
 
-The files, lis3l02dqbuffersimple.c and iio_util.h in this directory provide an example
+The files, lis3l02dqbuffersimple.c and iio_utils.h in this directory provide an example
 of how to use the ring buffer and event interfaces.

From a05d7ce36c55bc6496e1085584c9df901b899ab2 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <Michael.Hennerich@analog.com>
Date: Mon, 26 Apr 2010 10:36:36 +0200
Subject: [PATCH 0958/3638] Staging: iio: iio-trig-gpio: Remove redundant
 gpio_request

Remove redundant gpio_request:
The GPIO used as trigger IRQ, is also requested as gpio, but actually never read.

Use platform resource facility to get IRQs numbers and flags.
Make sure this driver can be used with any system IRQ, not necessarily limited to GPIO-IRQs.
Use dev_err(dev...) and friends instead of printk(KERN_ERR...)

Signed-off-by: Michael Hennerich <Michael.Hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/trigger/iio-trig-gpio.c | 129 ++++++++++----------
 1 file changed, 62 insertions(+), 67 deletions(-)

diff --git a/drivers/staging/iio/trigger/iio-trig-gpio.c b/drivers/staging/iio/trigger/iio-trig-gpio.c
index 0c3bad3187f..e40099ff623 100644
--- a/drivers/staging/iio/trigger/iio-trig-gpio.c
+++ b/drivers/staging/iio/trigger/iio-trig-gpio.c
@@ -13,7 +13,6 @@
  * TODO:
  *
  * Add board config elements to allow specification of startup settings.
- * Add configuration settings (irq type etc)
  */
 
 #include <linux/kernel.h>
@@ -31,7 +30,7 @@ DEFINE_MUTEX(iio_gpio_trigger_list_lock);
 
 struct iio_gpio_trigger_info {
 	struct mutex in_use;
-	int gpio;
+	unsigned int irq;
 };
 /*
  * Need to reference count these triggers and only enable gpio interrupts
@@ -58,78 +57,77 @@ static const struct attribute_group iio_gpio_trigger_attr_group = {
 	.attrs = iio_gpio_trigger_attrs,
 };
 
-static int iio_gpio_trigger_probe(struct platform_device *dev)
+static int iio_gpio_trigger_probe(struct platform_device *pdev)
 {
-	int *pdata = dev->dev.platform_data;
 	struct iio_gpio_trigger_info *trig_info;
 	struct iio_trigger *trig, *trig2;
-	int i, irq, ret = 0;
-	if (!pdata) {
-		printk(KERN_ERR "No IIO gpio trigger platform data found\n");
-		goto error_ret;
-	}
-	for (i = 0;; i++) {
-		if (!gpio_is_valid(pdata[i]))
+	unsigned long irqflags;
+	struct resource *irq_res;
+	int irq, ret = 0, irq_res_cnt = 0;
+
+	do {
+		irq_res = platform_get_resource(pdev,
+				IORESOURCE_IRQ, irq_res_cnt);
+
+		if (irq_res == NULL) {
+			if (irq_res_cnt == 0)
+				dev_err(&pdev->dev, "No GPIO IRQs specified");
 			break;
-		trig = iio_allocate_trigger();
-		if (!trig) {
-			ret = -ENOMEM;
-			goto error_free_completed_registrations;
+		}
+		irqflags = (irq_res->flags & IRQF_TRIGGER_MASK) | IRQF_SHARED;
+
+		for (irq = irq_res->start; irq <= irq_res->end; irq++) {
+
+			trig = iio_allocate_trigger();
+			if (!trig) {
+				ret = -ENOMEM;
+				goto error_free_completed_registrations;
+			}
+
+			trig_info = kzalloc(sizeof(*trig_info), GFP_KERNEL);
+			if (!trig_info) {
+				ret = -ENOMEM;
+				goto error_put_trigger;
+			}
+			trig->control_attrs = &iio_gpio_trigger_attr_group;
+			trig->private_data = trig_info;
+			trig_info->irq = irq;
+			trig->owner = THIS_MODULE;
+			trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH,
+					GFP_KERNEL);
+			if (!trig->name) {
+				ret = -ENOMEM;
+				goto error_free_trig_info;
+			}
+			snprintf((char *)trig->name,
+				 IIO_TRIGGER_NAME_LENGTH,
+				 "irqtrig%d", irq);
+
+			ret = request_irq(irq, iio_gpio_trigger_poll,
+					  irqflags, trig->name, trig);
+			if (ret) {
+				dev_err(&pdev->dev,
+					"request IRQ-%d failed", irq);
+				goto error_free_name;
+			}
+
+			ret = iio_trigger_register(trig);
+			if (ret)
+				goto error_release_irq;
+
+			list_add_tail(&trig->alloc_list,
+					&iio_gpio_trigger_list);
 		}
 
-		trig_info = kzalloc(sizeof(*trig_info), GFP_KERNEL);
-		if (!trig_info) {
-			ret = -ENOMEM;
-			goto error_put_trigger;
-		}
-		trig->control_attrs = &iio_gpio_trigger_attr_group;
-		trig->private_data = trig_info;
-		trig_info->gpio = pdata[i];
-		trig->owner = THIS_MODULE;
-		trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
-		if (!trig->name) {
-			ret = -ENOMEM;
-			goto error_free_trig_info;
-		}
-		snprintf((char *)trig->name,
-			 IIO_TRIGGER_NAME_LENGTH,
-			 "gpiotrig%d",
-			 pdata[i]);
-		ret = gpio_request(trig_info->gpio, trig->name);
-		if (ret)
-			goto error_free_name;
+		irq_res_cnt++;
+	} while (irq_res != NULL);
 
-		ret = gpio_direction_input(trig_info->gpio);
-		if (ret)
-			goto error_release_gpio;
 
-		irq = gpio_to_irq(trig_info->gpio);
-		if (irq < 0) {
-			ret = irq;
-			goto error_release_gpio;
-		}
-
-		ret = request_irq(irq, iio_gpio_trigger_poll,
-				  IRQF_TRIGGER_RISING,
-				  trig->name,
-				  trig);
-		if (ret)
-			goto error_release_gpio;
-
-		ret = iio_trigger_register(trig);
-		if (ret)
-			goto error_release_irq;
-
-		list_add_tail(&trig->alloc_list, &iio_gpio_trigger_list);
-
-	}
 	return 0;
 
 /* First clean up the partly allocated trigger */
 error_release_irq:
 	free_irq(irq, trig);
-error_release_gpio:
-	gpio_free(trig_info->gpio);
 error_free_name:
 	kfree(trig->name);
 error_free_trig_info:
@@ -143,18 +141,16 @@ error_free_completed_registrations:
 				 &iio_gpio_trigger_list,
 				 alloc_list) {
 		trig_info = trig->private_data;
-		free_irq(gpio_to_irq(trig_info->gpio), trig);
-		gpio_free(trig_info->gpio);
+		free_irq(gpio_to_irq(trig_info->irq), trig);
 		kfree(trig->name);
 		kfree(trig_info);
 		iio_trigger_unregister(trig);
 	}
 
-error_ret:
 	return ret;
 }
 
-static int iio_gpio_trigger_remove(struct platform_device *dev)
+static int iio_gpio_trigger_remove(struct platform_device *pdev)
 {
 	struct iio_trigger *trig, *trig2;
 	struct iio_gpio_trigger_info *trig_info;
@@ -166,8 +162,7 @@ static int iio_gpio_trigger_remove(struct platform_device *dev)
 				 alloc_list) {
 		trig_info = trig->private_data;
 		iio_trigger_unregister(trig);
-		free_irq(gpio_to_irq(trig_info->gpio), trig);
-		gpio_free(trig_info->gpio);
+		free_irq(trig_info->irq, trig);
 		kfree(trig->name);
 		kfree(trig_info);
 		iio_put_trigger(trig);

From 7c327857016116eba1595c67c25d0314d1385e85 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <Michael.Hennerich@analog.com>
Date: Mon, 26 Apr 2010 10:49:10 +0200
Subject: [PATCH 0959/3638] Staging: iio: iio_trigger_find_by_name: Skip
 trailing newline if available

Skip trailing newline if available.

Signed-off-by: Michael Hennerich <Michael.Hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/industrialio-trigger.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c
index 35ec80ba444..3c8f6ffab58 100644
--- a/drivers/staging/iio/industrialio-trigger.c
+++ b/drivers/staging/iio/industrialio-trigger.c
@@ -156,6 +156,9 @@ struct iio_trigger *iio_trigger_find_by_name(const char *name, size_t len)
 	struct iio_trigger *trig;
 	bool found = false;
 
+	if (len && name[len - 1] == '\n')
+		len--;
+
 	mutex_lock(&iio_trigger_list_lock);
 	list_for_each_entry(trig, &iio_trigger_list, list) {
 		if (strncmp(trig->name, name, len) == 0) {

From cebb7e83361aba7ff05ec5cfb1bd1d5c8d983eed Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 14:24:21 +0200
Subject: [PATCH 0960/3638] Staging: wavelan: fix spaces and TAB coding style
 issue in i82586.h

This is a patch  to the i82586.h file that fixed up a TAB and
spaces Errors found by the checkpatch.pl tools, like
	ERROR: spaces required around that '=' (ctx:VxV)
and
	ERROR: space required before the open brace '{'

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wavelan/i82586.h | 58 ++++++++++++--------------------
 1 file changed, 21 insertions(+), 37 deletions(-)

diff --git a/drivers/staging/wavelan/i82586.h b/drivers/staging/wavelan/i82586.h
index 5f65b250646..27f83249813 100644
--- a/drivers/staging/wavelan/i82586.h
+++ b/drivers/staging/wavelan/i82586.h
@@ -30,14 +30,13 @@
 #define	ADDR_LEN	6
 #define	I82586NULL	0xFFFF
 
-#define	toff(t,p,f) 	(unsigned short)((void *)(&((t *)((void *)0 + (p)))->f) - (void *)0)
+#define	toff(t, p, f) 	(unsigned short)((void *)(&((t *)((void *)0 + (p)))->f) - (void *)0)
 
 /*
  * System Configuration Pointer (SCP).
  */
 typedef struct scp_t	scp_t;
-struct scp_t
-{
+struct scp_t {
 	unsigned short	scp_sysbus;	/* 82586 bus width:	*/
 #define		SCP_SY_16BBUS	(0x0 << 0)	/* 16 bits */
 #define		SCP_SY_8BBUS	(0x1 << 0)	/*  8 bits. */
@@ -50,8 +49,7 @@ struct scp_t
  * Intermediate System Configuration Pointer (ISCP).
  */
 typedef struct iscp_t	iscp_t;
-struct iscp_t
-{
+struct iscp_t {
 	unsigned short	iscp_busy;	/* set by CPU before first CA,	*/
 					/* cleared by 82586 after read.	*/
 	unsigned short	iscp_offset;	/* offset of SCB		*/
@@ -67,8 +65,7 @@ struct iscp_t
  *	then issues a Channel Attention (CA) to alert the 82586.
  */
 typedef struct scb_t	scb_t;
-struct scb_t
-{
+struct scb_t {
 	unsigned short	scb_status;	/* Status of 82586		*/
 #define		SCB_ST_INT	(0xF << 12)	/* Some of:		*/
 #define		SCB_ST_CX	(0x1 << 15)	/* Cmd completed	*/
@@ -118,14 +115,13 @@ struct scb_t
 	unsigned short	scb_ovrnerrs;	/* Frames lost due to slow bus	*/
 };
 
-#define	scboff(p,f) 	toff(scb_t, p, f)
+#define	scboff(p, f) 	toff(scb_t, p, f)
 
 /*
  * The eight Action Commands.
  */
 typedef enum acmd_e	acmd_e;
-enum acmd_e
-{
+enum acmd_e {
 	acmd_nop	= 0,	/* Do nothing				*/
 	acmd_ia_setup	= 1,	/* Load an (ethernet) address into the	*/
 				/* 82586				*/
@@ -143,8 +139,7 @@ enum acmd_e
  * Generic Action Command header.
  */
 typedef struct ach_t	ach_t;
-struct ach_t
-{
+struct ach_t {
 	unsigned short	ac_status;		/* Command status:	*/
 #define		AC_SFLD_C	(0x1 << 15)	/* Command completed	*/
 #define		AC_SFLD_B	(0x1 << 14)	/* Busy executing	*/
@@ -172,14 +167,13 @@ struct ach_t
 	unsigned short	ac_link;		/* Next Action Command	*/
 };
 
-#define	acoff(p,f) 	toff(ach_t, p, f)
+#define	acoff(p, f) 	toff(ach_t, p, f)
 
 /*
  * The Nop Action Command.
  */
 typedef struct ac_nop_t	ac_nop_t;
-struct ac_nop_t
-{
+struct ac_nop_t {
 	ach_t	nop_h;
 };
 
@@ -187,8 +181,7 @@ struct ac_nop_t
  * The IA-Setup Action Command.
  */
 typedef struct ac_ias_t	ac_ias_t;
-struct ac_ias_t
-{
+struct ac_ias_t {
 	ach_t		ias_h;
 	unsigned char	ias_addr[ADDR_LEN]; /* The (ethernet) address	*/
 };
@@ -197,8 +190,7 @@ struct ac_ias_t
  * The Configure Action Command.
  */
 typedef struct ac_cfg_t	ac_cfg_t;
-struct ac_cfg_t
-{
+struct ac_cfg_t {
 	ach_t		cfg_h;
 	unsigned char	cfg_byte_cnt;	/* Size foll data: 4-12	*/
 #define	AC_CFG_BYTE_CNT(v)	(((v) & 0xF) << 0)
@@ -255,8 +247,7 @@ struct ac_cfg_t
  * The MC-Setup Action Command.
  */
 typedef struct ac_mcs_t	ac_mcs_t;
-struct ac_mcs_t
-{
+struct ac_mcs_t {
 	ach_t		mcs_h;
 	unsigned short	mcs_cnt;	/* No. of bytes of MC addresses	*/
 #if 0
@@ -271,8 +262,7 @@ struct ac_mcs_t
  * The Transmit Action Command.
  */
 typedef struct ac_tx_t	ac_tx_t;
-struct ac_tx_t
-{
+struct ac_tx_t {
 	ach_t		tx_h;
 	unsigned short	tx_tbd_offset;	/* Address of list of buffers.	*/
 #if	0
@@ -290,8 +280,7 @@ ac_cfg_t action command.
  * The Time Domain Reflectometer Action Command.
  */
 typedef struct ac_tdr_t	ac_tdr_t;
-struct ac_tdr_t
-{
+struct ac_tdr_t {
 	ach_t		tdr_h;
 	unsigned short	tdr_result;	/* Result.	*/
 #define		AC_TDR_LNK_OK	(0x1 << 15)	/* No link problem	*/
@@ -307,8 +296,7 @@ struct ac_tdr_t
  * The Dump Action Command.
  */
 typedef struct ac_dmp_t	ac_dmp_t;
-struct ac_dmp_t
-{
+struct ac_dmp_t {
 	ach_t		dmp_h;
 	unsigned short	dmp_offset;	/* Result.	*/
 };
@@ -322,8 +310,7 @@ struct ac_dmp_t
  * The Diagnose Action Command.
  */
 typedef struct ac_dgn_t	ac_dgn_t;
-struct ac_dgn_t
-{
+struct ac_dgn_t {
 	ach_t		dgn_h;
 };
 
@@ -331,8 +318,7 @@ struct ac_dgn_t
  * Transmit Buffer Descriptor (TBD).
  */
 typedef struct tbd_t	tbd_t;
-struct tbd_t
-{
+struct tbd_t {
 	unsigned short	tbd_status;		/* Written by the CPU	*/
 #define		TBD_STATUS_EOF	(0x1 << 15)	/* This TBD is the	*/
 						/* last for this frame	*/
@@ -347,8 +333,7 @@ struct tbd_t
  * Receive Buffer Descriptor (RBD).
  */
 typedef struct rbd_t	rbd_t;
-struct rbd_t
-{
+struct rbd_t {
 	unsigned short	rbd_status;		/* Written by the 82586	*/
 #define		RBD_STATUS_EOF	(0x1 << 15)	/* This RBD is the	*/
 						/* last for this frame	*/
@@ -365,14 +350,13 @@ struct rbd_t
 						/* buffer can hold	*/
 };
 
-#define	rbdoff(p,f) 	toff(rbd_t, p, f)
+#define	rbdoff(p, f) 	toff(rbd_t, p, f)
 
 /*
  * Frame Descriptor (FD).
  */
 typedef struct fd_t	fd_t;
-struct fd_t
-{
+struct fd_t {
 	unsigned short	fd_status;		/* Written by the 82586	*/
 #define		FD_STATUS_C	(0x1 << 15)	/* Completed storing frame */
 #define		FD_STATUS_B	(0x1 << 14)	/* FD was consumed by RU */
@@ -403,7 +387,7 @@ in case, we leave the space.
 						/* Written by 82586	*/
 };
 
-#define	fdoff(p,f) 	toff(fd_t, p, f)
+#define	fdoff(p, f) 	toff(fd_t, p, f)
 
 /*
  * This software may only be used and distributed

From a0ec96206192a58ec1c429aa1436717d2a351d0c Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 14:45:27 +0200
Subject: [PATCH 0961/3638] Staging: wavelan: fix spaces and TAB coding style
 issue in wavelan.h

This is a patch  to the wavelan.h file that fixed up a TAB and
spaces Errors found by the checkpatch.pl tools, like
	ERROR: spaces required around that '=' (ctx:VxV)
and
	ERROR: space required before the open brace '{'

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wavelan/wavelan.h | 31 ++++++++++++-------------------
 1 file changed, 12 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/wavelan/wavelan.h b/drivers/staging/wavelan/wavelan.h
index 9ab360558ff..1ebae10b869 100644
--- a/drivers/staging/wavelan/wavelan.h
+++ b/drivers/staging/wavelan/wavelan.h
@@ -26,8 +26,7 @@
  * product (OEM, like DEC RoamAbout, Digital Ocean, or Epson),
  * you might need to modify this part to accommodate your hardware.
  */
-static const char	MAC_ADDRESSES[][3] =
-{
+static const char	MAC_ADDRESSES[][3] = {
   { 0x08, 0x00, 0x0E },		/* AT&T WaveLAN (standard) & DEC RoamAbout */
   { 0x08, 0x00, 0x6A },		/* AT&T WaveLAN (alternate) */
   { 0x00, 0x00, 0xE1 },		/* Hitachi Wavelan */
@@ -67,8 +66,7 @@ static const int	fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
  * (base is board port address).
  */
 typedef union hacs_u	hacs_u;
-union hacs_u
-{
+union hacs_u {
 	unsigned short	hu_command;		/* Command register */
 #define		HACR_RESET		0x0001	/* Reset board */
 #define		HACR_CA			0x0002	/* Set Channel Attention for 82586 */
@@ -88,8 +86,7 @@ union hacs_u
 } __attribute__ ((packed));
 
 typedef struct ha_t	ha_t;
-struct ha_t
-{
+struct ha_t {
 	hacs_u		ha_cs;		/* Command and status registers */
 #define 		ha_command	ha_cs.hu_command
 #define 		ha_status	ha_cs.hu_status
@@ -104,7 +101,7 @@ struct ha_t
 
 #define HA_SIZE		16
 
-#define	hoff(p,f) 	(unsigned short)((void *)(&((ha_t *)((void *)0 + (p)))->f) - (void *)0)
+#define	hoff(p, f) 	(unsigned short)((void *)(&((ha_t *)((void *)0 + (p)))->f) - (void *)0)
 #define	HACR(p)		hoff(p, ha_command)
 #define	HASR(p)		hoff(p, ha_status)
 #define	MMCR(p)		hoff(p, ha_mmcr)
@@ -127,7 +124,7 @@ struct ha_t
 #define PARAM_ACCESS_PIO	3	/* Mode 4: LAN parameter access mode */
 					/* Parameter access. */
 #define PIO_MASK		3	/* register mask */
-#define PIOM(cmd,piono)		((u_short)cmd << 10 << (piono * 2))
+#define PIOM(cmd, piono)		((u_short)cmd << 10 << (piono * 2))
 
 #define	HACR_DEFAULT		(HACR_OUT0 | HACR_OUT1 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
 #define	HACR_INTRON		(HACR_82586_INT_ENABLE | HACR_MMC_INT_ENABLE | HACR_INTR_CLR_ENABLE)
@@ -156,8 +153,7 @@ struct ha_t
  * Parameter Storage Area (PSA).
  */
 typedef struct psa_t	psa_t;
-struct psa_t
-{
+struct psa_t {
   unsigned char	psa_io_base_addr_1;	/* [0x00] Base address 1 ??? */
   unsigned char	psa_io_base_addr_2;	/* [0x01] Base address 2 */
   unsigned char	psa_io_base_addr_3;	/* [0x02] Base address 3 */
@@ -208,7 +204,7 @@ struct psa_t
 
 /* Calculate offset of a field in the above structure.
  * Warning:  only even addresses are used. */
-#define	psaoff(p,f) 	((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
+#define	psaoff(p, f) 	((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
 
 /******************** MODEM MANAGEMENT INTERFACE ********************/
 
@@ -216,8 +212,7 @@ struct psa_t
  * Modem Management Controller (MMC) write structure.
  */
 typedef struct mmw_t	mmw_t;
-struct mmw_t
-{
+struct mmw_t {
   unsigned char	mmw_encr_key[8];	/* encryption key */
   unsigned char	mmw_encr_enable;	/* Enable or disable encryption. */
 #define	MMW_ENCR_ENABLE_MODE	0x02	/* mode of security option */
@@ -296,14 +291,13 @@ struct mmw_t
 
 #define	MMW_SIZE	37
 
-#define	mmwoff(p,f) 	(unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
+#define	mmwoff(p, f) 	(unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
 
 /*
  * Modem Management Controller (MMC) read structure.
  */
 typedef struct mmr_t	mmr_t;
-struct mmr_t
-{
+struct mmr_t {
   unsigned char	mmr_unused0[8];		/* unused */
   unsigned char	mmr_des_status;		/* encryption status */
   unsigned char	mmr_des_avail;		/* encryption available (0x55 read) */
@@ -351,11 +345,10 @@ struct mmr_t
 
 #define	MMR_SIZE	36
 
-#define	mmroff(p,f) 	(unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
+#define	mmroff(p, f) 	(unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
 
 /* Make the two above structures one */
-typedef union mm_t
-{
+typedef union mm_t {
   struct mmw_t	w;	/* Write to the mmc */
   struct mmr_t	r;	/* Read from the mmc */
 } mm_t;

From 604ef85819ec42c3ec8faca62eee8deb534b89c9 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 14:58:01 +0200
Subject: [PATCH 0962/3638] Staging: wavelan: fix spaces and TAB coding style
 and macros issue in wavelan.p.h

This is a patch  to the wavelan.h file that fixed up a TAB and
spaces Errors found by the checkpatch.pl tools, like
	ERROR: spaces required around that '=' (ctx:VxV)
and
	ERROR: space required before the open brace '{'
and
Macros with complex values should be enclosed in parenthesis

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wavelan/wavelan.p.h | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/wavelan/wavelan.p.h b/drivers/staging/wavelan/wavelan.p.h
index dbe8de6e5f5..d5f322c68d0 100644
--- a/drivers/staging/wavelan/wavelan.p.h
+++ b/drivers/staging/wavelan/wavelan.p.h
@@ -125,7 +125,7 @@
  * writing a WaveLAN ISA driver for the Mach microkernel.  Girish
  * Welling <welling@paul.rutgers.edu> had also worked on it.
  * Keith Moore modified this for the PCMCIA hardware.
- * 
+ *
  * Robert Morris <rtm@das.harvard.edu> ported these two drivers to BSDI
  * and added specific PCMCIA support (there is currently no equivalent
  * of the PCMCIA package under BSD).
@@ -451,17 +451,18 @@ static const char	*version	= "wavelan.c : v24 (SMP + wireless extensions) 11/12/
 /* ------------------------ PRIVATE IOCTL ------------------------ */
 
 #define SIOCSIPQTHR	SIOCIWFIRSTPRIV		/* Set quality threshold */
-#define SIOCGIPQTHR	SIOCIWFIRSTPRIV + 1	/* Get quality threshold */
+#define SIOCGIPQTHR	(SIOCIWFIRSTPRIV + 1)	/* Get quality threshold */
 
-#define SIOCSIPHISTO	SIOCIWFIRSTPRIV + 2	/* Set histogram ranges */
-#define SIOCGIPHISTO	SIOCIWFIRSTPRIV + 3	/* Get histogram values */
+#define SIOCSIPHISTO	(SIOCIWFIRSTPRIV + 2)	/* Set histogram ranges */
+#define SIOCGIPHISTO	(SIOCIWFIRSTPRIV + 3)	/* Get histogram values */
 
 /****************************** TYPES ******************************/
 
 /* Shortcuts */
 typedef struct iw_statistics	iw_stats;
 typedef struct iw_quality	iw_qual;
-typedef struct iw_freq		iw_freq;typedef struct net_local	net_local;
+typedef struct iw_freq		iw_freq;
+typedef struct net_local	net_local;
 typedef struct timer_list	timer_list;
 
 /* Basic types */
@@ -474,10 +475,9 @@ typedef u_char		mac_addr[WAVELAN_ADDR_SIZE];	/* Hardware address */
  * keeps the generic data (same format for everybody) and "net_local" keeps
  * additional specific data.
  */
-struct net_local
-{
-  net_local *	next;		/* linked list of the devices */
-  struct net_device *	dev;		/* reverse link */
+struct net_local {
+  net_local *next;		/* linked list of the devices */
+  struct net_device *dev;		/* reverse link */
   spinlock_t	spinlock;	/* Serialize access to the hardware (SMP) */
   int		nresets;	/* number of hardware resets */
   u_char	reconfig_82586;	/* We need to reconfigure the controller. */
@@ -534,7 +534,7 @@ static void
 		 int,		/* offset in PSA */
 		 u_char *,	/* buffer to fill */
 		 int),		/* size to read */
-	psa_write(u_long, 	/* Write to the PSA. */
+	psa_write(u_long,	/* Write to the PSA. */
 		  u_short,	/* hacr */
 		  int,		/* offset in PSA */
 		  u_char *,	/* buffer in memory */
@@ -654,8 +654,7 @@ static net_local *	wavelan_list	= (net_local *) NULL;
  * This table is used to translate the PSA value to IRQ number
  * and vice versa.
  */
-static u_char	irqvals[]	=
-{
+static u_char	irqvals[]	= {
 	   0,    0,    0, 0x01,
 	0x02, 0x04,    0, 0x08,
 	   0,    0, 0x10, 0x20,
@@ -665,8 +664,7 @@ static u_char	irqvals[]	=
 /*
  * Table of the available I/O addresses (base addresses) for WaveLAN
  */
-static unsigned short	iobase[]	=
-{
+static unsigned short	iobase[]	= {
 #if	0
   /* Leave out 0x3C0 for now -- seems to clash with some video
    * controllers.

From b2561f212210a7c31b4d1c7d7136c38724719fa8 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 15:21:30 +0200
Subject: [PATCH 0963/3638] Staging: wavelan: fix spaces and TAB coding style
 issue in wavelan_cs.h

This is a patch  to the wavelan.h file that fixed up a TAB and
spaces Errors found by the checkpatch.pl tools, like
	ERROR: spaces required around that '=' (ctx:VxV)
and
	ERROR: space required before the open brace '{'

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wavelan/wavelan_cs.h | 37 ++++++++++++----------------
 1 file changed, 16 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/wavelan/wavelan_cs.h b/drivers/staging/wavelan/wavelan_cs.h
index 2e4bfe4147c..42e268dbae9 100644
--- a/drivers/staging/wavelan/wavelan_cs.h
+++ b/drivers/staging/wavelan/wavelan_cs.h
@@ -18,7 +18,7 @@
  */
 
 /*
- * Definitions for the AT&T GIS (formerly NCR) WaveLAN PCMCIA card: 
+ * Definitions for the AT&T GIS (formerly NCR) WaveLAN PCMCIA card:
  *   An Ethernet-like radio transceiver controlled by an Intel 82593
  *   coprocessor.
  *
@@ -37,7 +37,7 @@
  *   in supporting documentation that copying and distribution is
  *   by permission of M.I.T.  M.I.T. makes no representations about
  *   the suitability of this software for any purpose.  It is pro-
- *   vided "as is" without express or implied warranty.         
+ *   vided "as is" without express or implied warranty.
  ****************************************************************************
  *
  *
@@ -62,8 +62,7 @@
  * like DEC RoamAbout, or Digital Ocean, Epson, ...), you must modify this
  * part to accommodate your hardware...
  */
-static const unsigned char	MAC_ADDRESSES[][3] =
-{
+static const unsigned char	MAC_ADDRESSES[][3] = {
   { 0x08, 0x00, 0x0E },		/* AT&T Wavelan (standard) & DEC RoamAbout */
   { 0x08, 0x00, 0x6A },		/* AT&T Wavelan (alternate) */
   { 0x00, 0x00, 0xE1 },		/* Hitachi Wavelan */
@@ -171,8 +170,7 @@ static const int	fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
  * Parameter Storage Area (PSA).
  */
 typedef struct psa_t	psa_t;
-struct psa_t
-{
+struct psa_t {
   /* For the PCMCIA Adapter, locations 0x00-0x0F are unused and fixed at 00 */
   unsigned char	psa_io_base_addr_1;	/* [0x00] Base address 1 ??? */
   unsigned char	psa_io_base_addr_2;	/* [0x01] Base address 2 */
@@ -191,14 +189,14 @@ struct psa_t
 #define		PSA_UNIVERSAL	0		/* Universal (factory) */
 #define		PSA_LOCAL	1		/* Local */
   unsigned char	psa_comp_number;	/* [0x1D] Compatability Number: */
-#define		PSA_COMP_PC_AT_915	0 	/* PC-AT 915 MHz	*/
-#define		PSA_COMP_PC_MC_915	1 	/* PC-MC 915 MHz	*/
-#define		PSA_COMP_PC_AT_2400	2 	/* PC-AT 2.4 GHz	*/
-#define		PSA_COMP_PC_MC_2400	3 	/* PC-MC 2.4 GHz	*/
-#define		PSA_COMP_PCMCIA_915	4 	/* PCMCIA 915 MHz or 2.0 */
+#define		PSA_COMP_PC_AT_915	0	/* PC-AT 915 MHz	*/
+#define		PSA_COMP_PC_MC_915	1	/* PC-MC 915 MHz	*/
+#define		PSA_COMP_PC_AT_2400	2	/* PC-AT 2.4 GHz	*/
+#define		PSA_COMP_PC_MC_2400	3	/* PC-MC 2.4 GHz	*/
+#define		PSA_COMP_PCMCIA_915	4	/* PCMCIA 915 MHz or 2.0 */
   unsigned char	psa_thr_pre_set;	/* [0x1E] Modem Threshold Preset */
   unsigned char	psa_feature_select;	/* [0x1F] Call code required (1=on) */
-#define		PSA_FEATURE_CALL_CODE	0x01 	/* Call code required (Japan) */
+#define		PSA_FEATURE_CALL_CODE	0x01	/* Call code required (Japan) */
   unsigned char	psa_subband;		/* [0x20] Subband	*/
 #define		PSA_SUBBAND_915		0	/* 915 MHz or 2.0 */
 #define		PSA_SUBBAND_2425	1	/* 2425 MHz	*/
@@ -225,7 +223,7 @@ struct psa_t
 
 /* Calculate offset of a field in the above structure
  * Warning : only even addresses are used */
-#define	psaoff(p,f) 	((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
+#define	psaoff(p, f)	((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
 
 /******************** MODEM MANAGEMENT INTERFACE ********************/
 
@@ -233,8 +231,7 @@ struct psa_t
  * Modem Management Controller (MMC) write structure.
  */
 typedef struct mmw_t	mmw_t;
-struct mmw_t
-{
+struct mmw_t {
   unsigned char	mmw_encr_key[8];	/* encryption key */
   unsigned char	mmw_encr_enable;	/* enable/disable encryption */
 #define	MMW_ENCR_ENABLE_MODE	0x02	/* Mode of security option */
@@ -315,15 +312,14 @@ struct mmw_t
 #define	MMW_SIZE	37
 
 /* Calculate offset of a field in the above structure */
-#define	mmwoff(p,f) 	(unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
+#define	mmwoff(p, f) 	(unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
 
 
 /*
  * Modem Management Controller (MMC) read structure.
  */
 typedef struct mmr_t	mmr_t;
-struct mmr_t
-{
+struct mmr_t {
   unsigned char	mmr_unused0[8];		/* unused */
   unsigned char	mmr_des_status;		/* encryption status */
   unsigned char	mmr_des_avail;		/* encryption available (0x55 read) */
@@ -373,12 +369,11 @@ struct mmr_t
 #define	MMR_SIZE	36
 
 /* Calculate offset of a field in the above structure */
-#define	mmroff(p,f) 	(unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
+#define	mmroff(p, f) 	(unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
 
 
 /* Make the two above structures one */
-typedef union mm_t
-{
+typedef union mm_t {
   struct mmw_t	w;	/* Write to the mmc */
   struct mmr_t	r;	/* Read from the mmc */
 } mm_t;

From fb549675ffc09afecea771229ce48a33c7ea604e Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 16:05:09 +0200
Subject: [PATCH 0964/3638] Staging: wavelan: fix macros, spaces and TAB coding
 style issue in wavelan_cs.p.h

This is a patch  to the wavelan.h file that fixed up a TAB and
spaces Errors found by the checkpatch.pl tools, like
	ERROR: spaces required around that '=' (ctx:VxV)
and
	ERROR: space required before the open brace '{'
and
	Macros complex expr -> (complex expr)

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wavelan/wavelan_cs.p.h | 38 ++++++++++++--------------
 1 file changed, 17 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/wavelan/wavelan_cs.p.h b/drivers/staging/wavelan/wavelan_cs.p.h
index 8fbfaa8a5a6..9427eb2727a 100644
--- a/drivers/staging/wavelan/wavelan_cs.p.h
+++ b/drivers/staging/wavelan/wavelan_cs.p.h
@@ -123,7 +123,7 @@
  * writing a Wavelan ISA driver for the MACH microkernel. Girish
  * Welling <welling@paul.rutgers.edu> had also worked on it.
  * Keith Moore modify this for the Pcmcia hardware.
- * 
+ *
  * Robert Morris <rtm@das.harvard.edu> port these two drivers to BSDI
  * and add specific Pcmcia support (there is currently no equivalent
  * of the PCMCIA package under BSD...).
@@ -283,7 +283,7 @@
  * Changes made in sixth release (2.9.1a) :
  * --------------------------------------
  *	- Change the detection code for multi manufacturer code support
- *	- Correct bug (hang kernel) in init when we were "rejecting" a card 
+ *	- Correct bug (hang kernel) in init when we were "rejecting" a card
  *
  * Changes made in seventh release (2.9.1b) :
  * ----------------------------------------
@@ -514,12 +514,12 @@ static const char *version = "wavelan_cs.c : v24 (SMP + wireless extensions) 11/
 /* ------------------------ PRIVATE IOCTL ------------------------ */
 
 #define SIOCSIPQTHR	SIOCIWFIRSTPRIV		/* Set quality threshold */
-#define SIOCGIPQTHR	SIOCIWFIRSTPRIV + 1	/* Get quality threshold */
-#define SIOCSIPROAM     SIOCIWFIRSTPRIV + 2	/* Set roaming state */
-#define SIOCGIPROAM     SIOCIWFIRSTPRIV + 3	/* Get roaming state */
+#define SIOCGIPQTHR	(SIOCIWFIRSTPRIV + 1)	/* Get quality threshold */
+#define SIOCSIPROAM     (SIOCIWFIRSTPRIV + 2)	/* Set roaming state */
+#define SIOCGIPROAM     (SIOCIWFIRSTPRIV + 3)	/* Get roaming state */
 
-#define SIOCSIPHISTO	SIOCIWFIRSTPRIV + 4	/* Set histogram ranges */
-#define SIOCGIPHISTO	SIOCIWFIRSTPRIV + 5	/* Get histogram values */
+#define SIOCSIPHISTO	(SIOCIWFIRSTPRIV + 4)	/* Set histogram ranges */
+#define SIOCGIPHISTO	(SIOCIWFIRSTPRIV + 5)	/* Get histogram values */
 
 /*************************** WaveLAN Roaming  **************************/
 #ifdef WAVELAN_ROAMING		/* Conditional compile, see above in options */
@@ -532,17 +532,16 @@ static const char *version = "wavelan_cs.c : v24 (SMP + wireless extensions) 11/
 #define SEARCH_THRESH_LOW	10	/* SNR to enter cell search */
 #define SEARCH_THRESH_HIGH	13	/* SNR to leave cell search */
 #define WAVELAN_ROAMING_DELTA	1	/* Hysteresis value (+/- SNR) */
-#define CELL_TIMEOUT		2*HZ	/* in jiffies */
+#define CELL_TIMEOUT		(2*HZ)	/* in jiffies */
 
 #define FAST_CELL_SEARCH	1	/* Boolean values... */
 #define NWID_PROMISC		1	/* for code clarity. */
 
-typedef struct wavepoint_beacon
-{
+typedef struct wavepoint_beacon {
   unsigned char		dsap,		/* Unused */
 			ssap,		/* Unused */
 			ctrl,		/* Unused */
-			O,U,I,		/* Unused */
+			O, U, I,		/* Unused */
 			spec_id1,	/* Unused */
 			spec_id2,	/* Unused */
 			pdu_type,	/* Unused */
@@ -551,8 +550,7 @@ typedef struct wavepoint_beacon
 			nwid;		/* WavePoint NWID */
 } wavepoint_beacon;
 
-typedef struct wavepoint_history
-{
+typedef struct wavepoint_history {
   unsigned short	nwid;		/* WavePoint's NWID */
   int			average_slow;	/* SNR running average */
   int			average_fast;	/* SNR running average */
@@ -564,8 +562,7 @@ typedef struct wavepoint_history
   unsigned long		last_seen;	/* Time of last beacon recvd, jiffies */
 } wavepoint_history;
 
-struct wavepoint_table
-{
+struct wavepoint_table {
   wavepoint_history	*head;		/* Start of ringbuffer */
   int			num_wavepoints;	/* No. of WavePoints visible */
   unsigned char		locked;		/* Table lock */
@@ -592,12 +589,11 @@ typedef u_char		mac_addr[WAVELAN_ADDR_SIZE];	/* Hardware address */
  * keep the generic data (same format for everybody) and "net_local" keep
  * the additional specific data.
  */
-struct net_local
-{
+struct net_local {
   dev_node_t 	node;		/* ???? What is this stuff ???? */
-  struct net_device *	dev;		/* Reverse link... */
+  struct net_device *dev;		/* Reverse link... */
   spinlock_t	spinlock;	/* Serialize access to the hardware (SMP) */
-  struct pcmcia_device *	link;		/* pcmcia structure */
+  struct pcmcia_device *link;		/* pcmcia structure */
   int		nresets;	/* Number of hw resets */
   u_char	configured;	/* If it is configured */
   u_char	reconfig_82593;	/* Need to reconfigure the controller */
@@ -623,7 +619,7 @@ struct net_local
   u_long	domain_id;	/* Domain ID we lock on for roaming */
   int		filter_domains;	/* Check Domain ID of beacon found */
  struct wavepoint_table	wavepoint_table;	/* Table of visible WavePoints*/
-  wavepoint_history *	curr_point;		/* Current wavepoint */
+  wavepoint_history *curr_point;		/* Current wavepoint */
   int			cell_search;		/* Searching for new cell? */
   struct timer_list	cell_timer;		/* Garbage collection */
 #endif	/* WAVELAN_ROAMING */
@@ -673,7 +669,7 @@ static void
 		 int);		/* number of registers */
 /* ---------------------- I82593 SUBROUTINES ----------------------- */
 static int
-	wv_82593_cmd(struct net_device *,	/* synchronously send a command to i82593 */ 
+	wv_82593_cmd(struct net_device *,	/* synchronously send a command to i82593 */
 		     char *,
 		     int,
 		     int);

From 8eb3e22e56ee35a6a65c956bd2862c8247443cbd Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 16:13:04 +0200
Subject: [PATCH 0965/3638] Staging: wavelan: fix initialise statics to 0 in
 wavelan_cs.p.h

This is a patch  to the wavelan_cs.p.h fix initialise statics to 0
Errors found by the checkpatch.pl tools, like
	ERROR: do not initialise statics to 0 or NULL

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wavelan/wavelan_cs.p.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/wavelan/wavelan_cs.p.h b/drivers/staging/wavelan/wavelan_cs.p.h
index 9427eb2727a..7196267976f 100644
--- a/drivers/staging/wavelan/wavelan_cs.p.h
+++ b/drivers/staging/wavelan/wavelan_cs.p.h
@@ -745,14 +745,14 @@ static void
  */
 
 /* Shared memory speed, in ns */
-static int	mem_speed = 0;
+static int	mem_speed;
 
 /* New module interface */
 module_param(mem_speed, int, 0);
 
 #ifdef WAVELAN_ROAMING		/* Conditional compile, see above in options */
 /* Enable roaming mode ? No ! Please keep this to 0 */
-static int	do_roaming = 0;
+static int	do_roaming;
 module_param(do_roaming, bool, 0);
 #endif	/* WAVELAN_ROAMING */
 

From 0970305a9f36e24e841f2bd79caab4fa0cb56662 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Wed, 17 Mar 2010 22:33:27 +0100
Subject: [PATCH 0966/3638] Staging: winbond: phy_calibration.h coding style
 cleanup.

I fixed all checkpatch.pl problems, removed versioning comments and
"commented away" code.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/phy_calibration.h | 155 +++++++++-------------
 1 file changed, 66 insertions(+), 89 deletions(-)

diff --git a/drivers/staging/winbond/phy_calibration.h b/drivers/staging/winbond/phy_calibration.h
index 51c8fde81e2..30320314883 100644
--- a/drivers/staging/winbond/phy_calibration.h
+++ b/drivers/staging/winbond/phy_calibration.h
@@ -3,105 +3,82 @@
 
 #include "wbhal_f.h"
 
-// 20031229 Turbo add
-#define REG_AGC_CTRL1               0x1000
-#define REG_AGC_CTRL2               0x1004
-#define REG_AGC_CTRL3               0x1008
-#define REG_AGC_CTRL4               0x100C
-#define REG_AGC_CTRL5               0x1010
-#define REG_AGC_CTRL6               0x1014
-#define REG_AGC_CTRL7               0x1018
-#define REG_AGC_CTRL8               0x101C
-#define REG_AGC_CTRL9               0x1020
-#define REG_AGC_CTRL10              0x1024
-#define REG_CCA_CTRL                0x1028
-#define REG_A_ACQ_CTRL              0x102C
-#define REG_B_ACQ_CTRL              0x1030
-#define REG_A_TXRX_CTRL             0x1034
-#define REG_B_TXRX_CTRL             0x1038
-#define REG_A_TX_COEF3              0x103C
-#define REG_A_TX_COEF2              0x1040
-#define REG_A_TX_COEF1              0x1044
-#define REG_B_TX_COEF2              0x1048
-#define REG_B_TX_COEF1              0x104C
-#define REG_MODE_CTRL               0x1050
-#define REG_CALIB_DATA              0x1054
-#define REG_IQ_ALPHA                0x1058
-#define REG_DC_CANCEL               0x105C
-#define REG_WTO_READ                0x1060
-#define REG_OFFSET_READ             0x1064
-#define REG_CALIB_READ1             0x1068
-#define REG_CALIB_READ2             0x106C
-#define REG_A_FREQ_EST              0x1070
+#define REG_AGC_CTRL1		0x1000
+#define REG_AGC_CTRL2		0x1004
+#define REG_AGC_CTRL3		0x1008
+#define REG_AGC_CTRL4		0x100C
+#define REG_AGC_CTRL5		0x1010
+#define REG_AGC_CTRL6		0x1014
+#define REG_AGC_CTRL7		0x1018
+#define REG_AGC_CTRL8		0x101C
+#define REG_AGC_CTRL9		0x1020
+#define REG_AGC_CTRL10		0x1024
+#define REG_CCA_CTRL		0x1028
+#define REG_A_ACQ_CTRL		0x102C
+#define REG_B_ACQ_CTRL		0x1030
+#define REG_A_TXRX_CTRL		0x1034
+#define REG_B_TXRX_CTRL		0x1038
+#define REG_A_TX_COEF3		0x103C
+#define REG_A_TX_COEF2		0x1040
+#define REG_A_TX_COEF1		0x1044
+#define REG_B_TX_COEF2		0x1048
+#define REG_B_TX_COEF1		0x104C
+#define REG_MODE_CTRL		0x1050
+#define REG_CALIB_DATA		0x1054
+#define REG_IQ_ALPHA		0x1058
+#define REG_DC_CANCEL		0x105C
+#define REG_WTO_READ		0x1060
+#define REG_OFFSET_READ		0x1064
+#define REG_CALIB_READ1		0x1068
+#define REG_CALIB_READ2		0x106C
+#define REG_A_FREQ_EST		0x1070
 
 
+#define MASK_AMER_OFF_REG	BIT(31)
 
+#define MASK_BMER_OFF_REG	BIT(31)
 
-//  20031101 Turbo add
-#define MASK_AMER_OFF_REG          BIT(31)
+#define MASK_LNA_FIX_GAIN	(BIT(3) | BIT(4))
+#define MASK_AGC_FIX		BIT(1)
 
-#define MASK_BMER_OFF_REG          BIT(31)
+#define MASK_AGC_FIX_GAIN	0xFF00
 
-#define MASK_LNA_FIX_GAIN          (BIT(3)|BIT(4))
-#define MASK_AGC_FIX               BIT(1)
+#define MASK_ADC_DC_CAL_STR	BIT(10)
+#define MASK_CALIB_START	BIT(4)
+#define MASK_IQCAL_TONE_SEL	(BIT(3) | BIT(2))
+#define MASK_IQCAL_MODE		(BIT(1) | BIT(0))
 
-#define MASK_AGC_FIX_GAIN          0xFF00
+#define MASK_TX_CAL_0		0xF0000000
+#define TX_CAL_0_SHIFT		28
+#define MASK_TX_CAL_1		0x0F000000
+#define TX_CAL_1_SHIFT		24
+#define MASK_TX_CAL_2		0x00F00000
+#define TX_CAL_2_SHIFT		20
+#define MASK_TX_CAL_3		0x000F0000
+#define TX_CAL_3_SHIFT		16
+#define MASK_RX_CAL_0		0x0000F000
+#define RX_CAL_0_SHIFT		12
+#define MASK_RX_CAL_1		0x00000F00
+#define RX_CAL_1_SHIFT		8
+#define MASK_RX_CAL_2		0x000000F0
+#define RX_CAL_2_SHIFT		4
+#define MASK_RX_CAL_3		0x0000000F
+#define RX_CAL_3_SHIFT		0
 
-#define MASK_ADC_DC_CAL_STR        BIT(10)
-#define MASK_CALIB_START           BIT(4)
-#define MASK_IQCAL_TONE_SEL        (BIT(3)|BIT(2))
-#define MASK_IQCAL_MODE            (BIT(1)|BIT(0))
+#define MASK_CANCEL_DC_I	0x3E0
+#define CANCEL_DC_I_SHIFT	5
+#define MASK_CANCEL_DC_Q	0x01F
+#define CANCEL_DC_Q_SHIFT	0
 
-#define MASK_TX_CAL_0              0xF0000000
-#define TX_CAL_0_SHIFT             28
-#define MASK_TX_CAL_1              0x0F000000
-#define TX_CAL_1_SHIFT             24
-#define MASK_TX_CAL_2              0x00F00000
-#define TX_CAL_2_SHIFT             20
-#define MASK_TX_CAL_3              0x000F0000
-#define TX_CAL_3_SHIFT             16
-#define MASK_RX_CAL_0              0x0000F000
-#define RX_CAL_0_SHIFT             12
-#define MASK_RX_CAL_1              0x00000F00
-#define RX_CAL_1_SHIFT             8
-#define MASK_RX_CAL_2              0x000000F0
-#define RX_CAL_2_SHIFT             4
-#define MASK_RX_CAL_3              0x0000000F
-#define RX_CAL_3_SHIFT             0
+#define MASK_ADC_DC_CAL_I(x)	(((x) & 0x0003FE00) >> 9)
+#define MASK_ADC_DC_CAL_Q(x)	((x) & 0x000001FF)
 
-#define MASK_CANCEL_DC_I           0x3E0
-#define CANCEL_DC_I_SHIFT          5
-#define MASK_CANCEL_DC_Q           0x01F
-#define CANCEL_DC_Q_SHIFT          0
+#define MASK_IQCAL_TONE_I	0x00001FFF
+#define SHIFT_IQCAL_TONE_I(x)	((x) >> 0)
+#define MASK_IQCAL_TONE_Q	0x03FFE000
+#define SHIFT_IQCAL_TONE_Q(x)	((x) >> 13)
 
-// LA20040210 kevin
-//#define MASK_ADC_DC_CAL_I(x)       (((x)&0x1FE00)>>9)
-//#define MASK_ADC_DC_CAL_Q(x)       ((x)&0x1FF)
-#define MASK_ADC_DC_CAL_I(x)       (((x)&0x0003FE00)>>9)
-#define MASK_ADC_DC_CAL_Q(x)       ((x)&0x000001FF)
-
-// LA20040210 kevin (Turbo has wrong definition)
-//#define MASK_IQCAL_TONE_I          0x7FFC000
-//#define SHIFT_IQCAL_TONE_I(x)      ((x)>>13)
-//#define MASK_IQCAL_TONE_Q          0x1FFF
-//#define SHIFT_IQCAL_TONE_Q(x)      ((x)>>0)
-#define MASK_IQCAL_TONE_I          0x00001FFF
-#define SHIFT_IQCAL_TONE_I(x)      ((x)>>0)
-#define MASK_IQCAL_TONE_Q          0x03FFE000
-#define SHIFT_IQCAL_TONE_Q(x)      ((x)>>13)
-
-// LA20040210 kevin (Turbo has wrong definition)
-//#define MASK_IQCAL_IMAGE_I         0x7FFC000
-//#define SHIFT_IQCAL_IMAGE_I(x)     ((x)>>13)
-//#define MASK_IQCAL_IMAGE_Q         0x1FFF
-//#define SHIFT_IQCAL_IMAGE_Q(x)     ((x)>>0)
-
-//#define MASK_IQCAL_IMAGE_I         0x00001FFF
-//#define SHIFT_IQCAL_IMAGE_I(x)     ((x)>>0)
-//#define MASK_IQCAL_IMAGE_Q         0x03FFE000
-//#define SHIFT_IQCAL_IMAGE_Q(x)     ((x)>>13)
-
-void phy_set_rf_data(  struct hw_data * pHwData,  u32 index,  u32 value );
-#define phy_init_rf( _A )	//RFSynthesizer_initial( _A )
+void phy_set_rf_data(struct hw_data *pHwData, u32 index, u32 value);
+#define phy_init_rf(_A)		/* RFSynthesizer_initial(_A) */
 
 #endif

From e7b10ba8c7152e3c888355656d38e19732b98bf1 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Thu, 18 Mar 2010 09:54:53 +0100
Subject: [PATCH 0967/3638] Staging: winbond: mds_f.h whitespace and CamelCase
 corrections.

I fixed the whitespaces, the C99 comment and the CamelCase
parameter names.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mds_f.h | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/winbond/mds_f.h b/drivers/staging/winbond/mds_f.h
index e09dd4b879d..20e97bfe01e 100644
--- a/drivers/staging/winbond/mds_f.h
+++ b/drivers/staging/winbond/mds_f.h
@@ -4,17 +4,17 @@
 #include "wbhal_s.h"
 #include "core.h"
 
-unsigned char Mds_initial(  struct wbsoft_priv *adapter );
-void Mds_Destroy(  struct wbsoft_priv *adapter );
-void Mds_Tx(  struct wbsoft_priv *adapter );
-void Mds_SendComplete(  struct wbsoft_priv *adapter,  PT02_DESCRIPTOR pT02 );
-void Mds_MpduProcess(  struct wbsoft_priv *adapter,  struct wb35_descriptor *pRxDes );
+unsigned char Mds_initial(struct wbsoft_priv *adapter);
+void Mds_Destroy(struct wbsoft_priv *adapter);
+void Mds_Tx(struct wbsoft_priv *adapter);
+void Mds_SendComplete(struct wbsoft_priv *adapter, PT02_DESCRIPTOR pt02);
+void Mds_MpduProcess(struct wbsoft_priv *adapter, struct wb35_descriptor *prxdes);
 extern void DataDmp(u8 *pdata, u32 len, u32 offset);
 
-// For data frame sending 20060802
-u16 MDS_GetPacketSize(  struct wbsoft_priv *adapter );
-void MDS_GetNextPacket(  struct wbsoft_priv *adapter,  struct wb35_descriptor *pDes );
-void MDS_GetNextPacketComplete(  struct wbsoft_priv *adapter,  struct wb35_descriptor *pDes );
-void MDS_SendResult(  struct wbsoft_priv *adapter,  u8 PacketId,  unsigned char SendOK );
+/* For data frame sending */
+u16 MDS_GetPacketSize(struct wbsoft_priv *adapter);
+void MDS_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descriptor *pdes);
+void MDS_GetNextPacketComplete(struct wbsoft_priv *adapter, struct wb35_descriptor *pdes);
+void MDS_SendResult(struct wbsoft_priv *adapter, u8 packetid, unsigned char sendok);
 
 #endif

From 5ea0525500f7cd3c09d4ee7beb66079d6abef8ab Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Thu, 18 Mar 2010 15:43:36 +0100
Subject: [PATCH 0968/3638] Staging: winbond: mds_s.h coding style fixes.

I fixed all problems reported by checkpatch.pl except some
long lines.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mds_s.h | 171 ++++++++++++++++----------------
 1 file changed, 85 insertions(+), 86 deletions(-)

diff --git a/drivers/staging/winbond/mds_s.h b/drivers/staging/winbond/mds_s.h
index 217ff0819a9..89328c5dbda 100644
--- a/drivers/staging/winbond/mds_s.h
+++ b/drivers/staging/winbond/mds_s.h
@@ -15,122 +15,121 @@ enum {
 	WLAN_PREAMBLE_TYPE_LONG,
 };
 
-////////////////////////////////////////////////////////////////////////////////////////////////////////
-#define MAX_USB_TX_DESCRIPTOR		15		// IS89C35 ability
-#define MAX_USB_TX_BUFFER_NUMBER	4		// Virtual pre-buffer number of MAX_USB_TX_BUFFER
-#define MAX_USB_TX_BUFFER			4096	// IS89C35 ability 4n alignment is required for hardware
+/*****************************************************************************/
+#define MAX_USB_TX_DESCRIPTOR		15	/* IS89C35 ability */
+#define MAX_USB_TX_BUFFER_NUMBER	4	/* Virtual pre-buffer number of MAX_USB_TX_BUFFER */
+#define MAX_USB_TX_BUFFER		4096	/* IS89C35 ability 4n alignment is required for hardware */
 
-#define AUTH_REQUEST_PAIRWISE_ERROR			0		// _F flag setting
-#define AUTH_REQUEST_GROUP_ERROR			1		// _F flag setting
+#define AUTH_REQUEST_PAIRWISE_ERROR	0	/* _F flag setting */
+#define AUTH_REQUEST_GROUP_ERROR	1	/* _F flag setting */
 
-#define CURRENT_FRAGMENT_THRESHOLD		(adapter->Mds.TxFragmentThreshold & ~0x1)
-#define CURRENT_PREAMBLE_MODE			psLOCAL->boShortPreamble?WLAN_PREAMBLE_TYPE_SHORT:WLAN_PREAMBLE_TYPE_LONG
-#define CURRENT_TX_RATE_FOR_MNG			adapter->sLocalPara.CurrentTxRateForMng
-#define CURRENT_PROTECT_MECHANISM		psLOCAL->boProtectMechanism
-#define CURRENT_RTS_THRESHOLD			adapter->Mds.TxRTSThreshold
+#define CURRENT_FRAGMENT_THRESHOLD	(adapter->Mds.TxFragmentThreshold & ~0x1)
+#define CURRENT_PREAMBLE_MODE		(psLOCAL->boShortPreamble ? WLAN_PREAMBLE_TYPE_SHORT : WLAN_PREAMBLE_TYPE_LONG)
+#define CURRENT_TX_RATE_FOR_MNG		(adapter->sLocalPara.CurrentTxRateForMng)
+#define CURRENT_PROTECT_MECHANISM	(psLOCAL->boProtectMechanism)
+#define CURRENT_RTS_THRESHOLD		(adapter->Mds.TxRTSThreshold)
 
-#define MIB_GS_XMIT_OK_INC				adapter->sLocalPara.GS_XMIT_OK++
-#define MIB_GS_RCV_OK_INC				adapter->sLocalPara.GS_RCV_OK++
-#define MIB_GS_XMIT_ERROR_INC			adapter->sLocalPara.GS_XMIT_ERROR
+#define MIB_GS_XMIT_OK_INC		(adapter->sLocalPara.GS_XMIT_OK++)
+#define MIB_GS_RCV_OK_INC		(adapter->sLocalPara.GS_RCV_OK++)
+#define MIB_GS_XMIT_ERROR_INC		(adapter->sLocalPara.GS_XMIT_ERROR)
 
-//---------- TX -----------------------------------
+/* ---------- TX ----------------------------------- */
 #define ETHERNET_TX_DESCRIPTORS         MAX_USB_TX_BUFFER_NUMBER
 
-//---------- RX ------------------------------------
-#define ETHERNET_RX_DESCRIPTORS			8	//It's not necessary to allocate more than 2 in sync indicate
+/* ---------- RX ----------------------------------- */
+#define ETHERNET_RX_DESCRIPTORS		8	/* It's not necessary to allocate more than 2 in sync indicate */
 
-//================================================================
-// Configration default value
-//================================================================
-#define DEFAULT_MULTICASTLISTMAX		32 		// standard
-#define DEFAULT_TX_BURSTLENGTH			3 		// 32 Longwords
-#define DEFAULT_RX_BURSTLENGTH			3 		// 32 Longwords
-#define DEFAULT_TX_THRESHOLD			0 		// Full Packet
-#define DEFAULT_RX_THRESHOLD			0 		// Full Packet
-#define DEFAULT_MAXTXRATE				6 		// 11 Mbps (Long)
-#define DEFAULT_CHANNEL					3 		// Chennel 3
-#define DEFAULT_RTSThreshold			2347 	// Disable RTS
-//#define DEFAULT_PME						1 		// Enable
-#define DEFAULT_PME						0 		// Disable
-#define DEFAULT_SIFSTIME				10
-#define DEFAULT_ACKTIME_1ML             304     // 148+44+112 911220 by LCC
-#define DEFAULT_ACKTIME_2ML             248     // 148+44+56 911220 by LCC
-#define DEFAULT_FRAGMENT_THRESHOLD      2346 	// No fragment
-#define DEFAULT_PREAMBLE_LENGTH			72
+/*
+ * ================================================================
+ * Configration default value
+ * ================================================================
+ */
+#define DEFAULT_MULTICASTLISTMAX	32	/* standard */
+#define DEFAULT_TX_BURSTLENGTH		3	/* 32 Longwords */
+#define DEFAULT_RX_BURSTLENGTH		3	/* 32 Longwords */
+#define DEFAULT_TX_THRESHOLD		0	/* Full Packet */
+#define DEFAULT_RX_THRESHOLD		0	/* Full Packet */
+#define DEFAULT_MAXTXRATE		6	/* 11 Mbps (Long) */
+#define DEFAULT_CHANNEL			3	/* Chennel 3 */
+#define DEFAULT_RTSThreshold		2347	/* Disable RTS */
+#define DEFAULT_PME			0	/* Disable */
+#define DEFAULT_SIFSTIME		10
+#define DEFAULT_ACKTIME_1ML             304	/* 148 + 44 + 112 */
+#define DEFAULT_ACKTIME_2ML             248	/* 148 + 44 + 56 */
+#define DEFAULT_FRAGMENT_THRESHOLD      2346	/* No fragment */
+#define DEFAULT_PREAMBLE_LENGTH		72
 #define DEFAULT_PLCPHEADERTIME_LENGTH	24
 
-/*------------------------------------------------------------------------
- 0.96 sec since time unit of the R03 for the current, W89C32 is about 60ns
- instead of 960 ns. This shall be fixed in the future W89C32
- -------------------------------------------------------------------------*/
-#define DEFAULT_MAX_RECEIVE_TIME        16440000
+/*
+ * ------------------------------------------------------------------------
+ * 0.96 sec since time unit of the R03 for the current, W89C32 is about 60ns
+ * instead of 960 ns. This shall be fixed in the future W89C32
+ * -------------------------------------------------------------------------
+ */
+#define DEFAULT_MAX_RECEIVE_TIME	16440000
 
-#define RX_BUF_SIZE						2352        // 600 	// For 301 must be multiple of 8
-#define MAX_RX_DESCRIPTORS              18         // Rx Layer 2
+#define RX_BUF_SIZE			2352	/* 600 - For 301 must be multiple of 8 */
+#define MAX_RX_DESCRIPTORS		18	/* Rx Layer 2 */
 
+/* For brand-new rx system */
+#define MDS_ID_IGNORE			ETHERNET_RX_DESCRIPTORS
 
-// For brand-new rx system
-#define MDS_ID_IGNORE				ETHERNET_RX_DESCRIPTORS
-
-// For Tx Packet status classify
-#define PACKET_FREE_TO_USE						0
-#define PACKET_COME_FROM_NDIS					0x08
-#define PACKET_COME_FROM_MLME					0x80
-#define PACKET_SEND_COMPLETE					0xff
+/* For Tx Packet status classify */
+#define PACKET_FREE_TO_USE		0
+#define PACKET_COME_FROM_NDIS		0x08
+#define PACKET_COME_FROM_MLME		0x80
+#define PACKET_SEND_COMPLETE		0xff
 
 struct wb35_mds {
-	// For Tx usage
-	u8	TxOwner[ ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03) ];
+	/* For Tx usage */
+	u8	TxOwner[((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03)];
 	u8	*pTxBuffer;
-	u16	TxBufferSize[ ((MAX_USB_TX_BUFFER_NUMBER + 1) & ~0x01) ];
-	u8	TxDesFrom[ ((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03) ];//931130.4.u // 1: MLME 2: NDIS control 3: NDIS data
-	u8	TxCountInBuffer[ ((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03) ]; // 20060928
+	u16	TxBufferSize[((MAX_USB_TX_BUFFER_NUMBER + 1) & ~0x01)];
+	u8	TxDesFrom[((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03)];/* 1: MLME 2: NDIS control 3: NDIS data */
+	u8	TxCountInBuffer[((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03)];
 
-	u8	TxFillIndex;//the next index of TxBuffer can be used
-	u8	TxDesIndex;//The next index of TxDes can be used
-	u8	ScanTxPause;	//data Tx pause because the scanning is progressing, but probe request Tx won't.
-	u8	TxPause;//For pause the Mds_Tx modult
+	u8	TxFillIndex;	/* the next index of TxBuffer can be used */
+	u8	TxDesIndex;	/* The next index of TxDes can be used */
+	u8	ScanTxPause;	/* data Tx pause because the scanning is progressing, but probe request Tx won't. */
+	u8	TxPause;	/*For pause the Mds_Tx modult */
 
-	atomic_t	TxThreadCount;//For thread counting 931130.4.v
-//950301 delete due to HW
-//	atomic_t	TxConcurrentCount;//931130.4.w
+	atomic_t	TxThreadCount;	/* For thread counting */
 
-	u16	TxResult[ ((MAX_USB_TX_DESCRIPTOR + 1) & ~0x01) ];//Collect the sending result of Mpdu
+	u16	TxResult[((MAX_USB_TX_DESCRIPTOR + 1) & ~0x01)];/* Collect the sending result of Mpdu */
 
-	u8	MicRedundant[8]; // For tmp use
-	u8	*MicWriteAddress[2]; //The start address to fill the Mic, use 2 point due to Mic maybe fragment
+	u8	MicRedundant[8]; /* For tmp use */
+	u8	*MicWriteAddress[2]; /* The start address to fill the Mic, use 2 point due to Mic maybe fragment */
 
-	u16	MicWriteSize[2]; //931130.4.x
+	u16	MicWriteSize[2];
 
-	u16	MicAdd; // If want to add the Mic, this variable equal to 8
-	u16	MicWriteIndex;//The number of MicWriteAddress 931130.4.y
+	u16	MicAdd; /* If want to add the Mic, this variable equal to 8 */
+	u16	MicWriteIndex; /* The number of MicWriteAddress */
 
-	u8	TxRate[ ((MAX_USB_TX_DESCRIPTOR+1)&~0x01) ][2]; // [0] current tx rate, [1] fall back rate
-	u8	TxInfo[ ((MAX_USB_TX_DESCRIPTOR+1)&~0x01) ];	//Store information for callback function
+	u8	TxRate[((MAX_USB_TX_DESCRIPTOR + 1) & ~0x01)][2]; /* [0] current tx rate, [1] fall back rate */
+	u8	TxInfo[((MAX_USB_TX_DESCRIPTOR + 1) & ~0x01)]; /*Store information for callback function */
 
-	//WKCHEN added for scanning mechanism
-	u8	TxToggle;		//It is TRUE if there are tx activities in some time interval
+	/* for scanning mechanism */
+	u8	TxToggle;	/* It is TRUE if there are tx activities in some time interval */
 	u8	Reserved_[3];
 
-	//---------- for Tx Parameter
-	u16	TxFragmentThreshold;    	// For frame body only
+	/* ---- for Tx Parameter */
+	u16	TxFragmentThreshold;	/* For frame body only */
 	u16	TxRTSThreshold;
 
-	u32		MaxReceiveTime;//911220.3 Add
+	u32	MaxReceiveTime;
 
-	// depend on OS,
-	u32					MulticastListNo;
-	u32					PacketFilter; // Setting by NDIS, the current packet filter in use.
-	u8					MulticastAddressesArray[DEFAULT_MULTICASTLISTMAX][MAC_ADDR_LENGTH];
+	/* depend on OS, */
+	u32	MulticastListNo;
+	u32	PacketFilter; /* Setting by NDIS, the current packet filter in use. */
+	u8	MulticastAddressesArray[DEFAULT_MULTICASTLISTMAX][MAC_ADDR_LENGTH];
 
-	//COUNTERMEASURE
-	u8		bMICfailCount;
-	u8		boCounterMeasureBlock;
-	u8		reserved_4[2];
-
-	u32	TxTsc; // 20060214
-	u32	TxTsc_2; // 20060214
+	/* COUNTERMEASURE */
+	u8	bMICfailCount;
+	u8	boCounterMeasureBlock;
+	u8	reserved_4[2];
 
+	u32	TxTsc;
+	u32	TxTsc_2;
 };
 
 #endif

From 1a48ba148c45052efc2e1505e28198b725a23e95 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Thu, 18 Mar 2010 16:45:06 +0100
Subject: [PATCH 0969/3638] Staging: winbond: mlme_s.h Coding style fixes

I fixed all problems found by checkpatch.pl except typedefs.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mlme_s.h | 256 +++++++++++++++----------------
 1 file changed, 124 insertions(+), 132 deletions(-)

diff --git a/drivers/staging/winbond/mlme_s.h b/drivers/staging/winbond/mlme_s.h
index 1217a1c025e..a7ef3c78022 100644
--- a/drivers/staging/winbond/mlme_s.h
+++ b/drivers/staging/winbond/mlme_s.h
@@ -7,28 +7,29 @@
 #include "mac_structures.h"
 #include "mds_s.h"
 
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-//	Mlme.h
-//		Define the related definitions of MLME module
-//	history -- 01/14/03' created
-//
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+/*
+ * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ *	Mlme.h
+ *		Define the related definitions of MLME module
+ *
+ * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ */
 
-#define AUTH_REJECT_REASON_CHALLENGE_FAIL		1
+#define AUTH_REJECT_REASON_CHALLENGE_FAIL	1
 
-//====== the state of MLME module
-#define INACTIVE			0x0
-#define IDLE_SCAN			0x1
+/* the state of MLME module */
+#define INACTIVE		0x0
+#define IDLE_SCAN		0x1
 
-//====== the state of MLME/ESS module
-#define STATE_1				0x2
-#define AUTH_REQ			0x3
-#define AUTH_WEP			0x4
-#define STATE_2				0x5
-#define ASSOC_REQ			0x6
-#define STATE_3				0x7
+/* the state of MLME/ESS module */
+#define STATE_1			0x2
+#define AUTH_REQ		0x3
+#define AUTH_WEP		0x4
+#define STATE_2			0x5
+#define ASSOC_REQ		0x6
+#define STATE_3			0x7
 
-//====== the state of MLME/IBSS module
+/* the state of MLME/IBSS module */
 #define IBSS_JOIN_SYNC		0x8
 #define IBSS_AUTH_REQ		0x9
 #define IBSS_AUTH_CHANLGE	0xa
@@ -38,159 +39,150 @@
 
 
 
-//=========================================
-//depend on D5C(MAC timing control 03 register): MaxTxMSDULifeTime default 0x80000us
-#define AUTH_FAIL_TIMEOUT		550
-#define ASSOC_FAIL_TIMEOUT		550
+/*
+ * =========================================
+ * depend on D5C(MAC timing control 03 register):
+ * MaxTxMSDULifeTime default 0x80000us
+ */
+#define AUTH_FAIL_TIMEOUT	550
+#define ASSOC_FAIL_TIMEOUT	550
 #define REASSOC_FAIL_TIMEOUT	550
 
+/* MLME task global CONSTANTS, STRUCTURE, variables */
+
+/* =========================================
+ * enum_ResultCode --
+ * Result code returned from MLME to SME.
+ * =========================================
+ */
+#define MLME_SUCCESS			0	/* follow spec. */
+#define	INVALID_PARAMETERS		1	/* Not following spec. */
+#define	NOT_SUPPPORTED			2
+#define	TIMEOUT				3
+#define	TOO_MANY_SIMULTANEOUS_REQUESTS	4
+#define REFUSED				5
+#define	BSS_ALREADY_STARTED_OR_JOINED	6
+#define	TRANSMIT_FRAME_FAIL		7
+#define	NO_BSS_FOUND			8
+#define RETRY				9
+#define GIVE_UP				10
 
 
-//
-// MLME task global CONSTANTS, STRUCTURE, variables
-//
-
-
-/////////////////////////////////////////////////////////////
-//  enum_ResultCode --
-//  Result code returned from MLME to SME.
-//
-/////////////////////////////////////////////////////////////
-// PD43 20030829 Modifiled
-//#define	SUCCESS								0
-#define MLME_SUCCESS                        0 //follow spec.
-#define	INVALID_PARAMETERS					1 //Not following spec.
-#define	NOT_SUPPPORTED						2
-#define	TIMEOUT								3
-#define	TOO_MANY_SIMULTANEOUS_REQUESTS		4
-#define REFUSED								5
-#define	BSS_ALREADY_STARTED_OR_JOINED		6
-#define	TRANSMIT_FRAME_FAIL					7
-#define	NO_BSS_FOUND						8
-#define RETRY								9
-#define GIVE_UP								10
-
-
-#define OPEN_AUTH							0
-#define SHARE_AUTH							1
-#define ANY_AUTH							2
-#define WPA_AUTH							3	//for WPA
-#define WPAPSK_AUTH							4
-#define WPANONE_AUTH						5
-///////////////////////////////////////////// added by ws 04/19/04
+#define OPEN_AUTH			0
+#define SHARE_AUTH			1
+#define ANY_AUTH			2
+#define WPA_AUTH			3	/* for WPA */
+#define WPAPSK_AUTH			4
+#define WPANONE_AUTH			5
 #ifdef _WPA2_
-#define WPA2_AUTH                           6//for WPA2
-#define WPA2PSK_AUTH                        7
-#endif //end def _WPA2_
+#define WPA2_AUTH			6	/* for WPA2 */
+#define WPA2PSK_AUTH			7
+#endif /* end def _WPA2_ */
 
-//////////////////////////////////////////////////////////////////
-//define the msg type of MLME module
-//////////////////////////////////////////////////////////////////
-//--------------------------------------------------------
-//from SME
+/*
+ * =========================================
+ * define the msg type of MLME module
+ * =========================================
+ */
 
-#define MLMEMSG_AUTH_REQ				0x0b
-#define MLMEMSG_DEAUTH_REQ				0x0c
-#define MLMEMSG_ASSOC_REQ				0x0d
-#define MLMEMSG_REASSOC_REQ				0x0e
-#define MLMEMSG_DISASSOC_REQ			0x0f
-#define MLMEMSG_START_IBSS_REQ			0x10
-#define MLMEMSG_IBSS_NET_CFM			0x11
+/* from SME */
+#define MLMEMSG_AUTH_REQ		0x0b
+#define MLMEMSG_DEAUTH_REQ		0x0c
+#define MLMEMSG_ASSOC_REQ		0x0d
+#define MLMEMSG_REASSOC_REQ		0x0e
+#define MLMEMSG_DISASSOC_REQ		0x0f
+#define MLMEMSG_START_IBSS_REQ		0x10
+#define MLMEMSG_IBSS_NET_CFM		0x11
 
-//from RX :
-#define MLMEMSG_RCV_MLMEFRAME			0x20
-#define MLMEMSG_RCV_ASSOCRSP			0x22
-#define MLMEMSG_RCV_REASSOCRSP			0x24
-#define MLMEMSG_RCV_DISASSOC			0x2b
-#define MLMEMSG_RCV_AUTH				0x2c
-#define MLMEMSG_RCV_DEAUTH				0x2d
+/* from RX */
+#define MLMEMSG_RCV_MLMEFRAME		0x20
+#define MLMEMSG_RCV_ASSOCRSP		0x22
+#define MLMEMSG_RCV_REASSOCRSP		0x24
+#define MLMEMSG_RCV_DISASSOC		0x2b
+#define MLMEMSG_RCV_AUTH		0x2c
+#define MLMEMSG_RCV_DEAUTH		0x2d
 
 
-//from TX callback
-#define MLMEMSG_TX_CALLBACK				0x40
-#define MLMEMSG_ASSOCREQ_CALLBACK		0x41
-#define MLMEMSG_REASSOCREQ_CALLBACK		0x43
-#define MLMEMSG_DISASSOC_CALLBACK		0x4a
-#define MLMEMSG_AUTH_CALLBACK			0x4c
-#define MLMEMSG_DEAUTH_CALLBACK			0x4d
+/* from TX callback */
+#define MLMEMSG_TX_CALLBACK		0x40
+#define MLMEMSG_ASSOCREQ_CALLBACK	0x41
+#define MLMEMSG_REASSOCREQ_CALLBACK	0x43
+#define MLMEMSG_DISASSOC_CALLBACK	0x4a
+#define MLMEMSG_AUTH_CALLBACK		0x4c
+#define MLMEMSG_DEAUTH_CALLBACK		0x4d
 
-//#define MLMEMSG_JOIN_FAIL				4
-//#define MLMEMSG_AUTHEN_FAIL			18
-#define MLMEMSG_TIMEOUT					0x50
+#define MLMEMSG_TIMEOUT			0x50
 
-///////////////////////////////////////////////////////////////////////////
-//Global data structures
-#define MAX_NUM_TX_MMPDU	2
-#define MAX_MMPDU_SIZE		1512
-#define MAX_NUM_RX_MMPDU	6
+/*
+ * ==============================================
+ * Global data structures
+ * ==============================================
+ */
+#define MAX_NUM_TX_MMPDU		2
+#define MAX_MMPDU_SIZE			1512
+#define MAX_NUM_RX_MMPDU		6
 
 
-///////////////////////////////////////////////////////////////////////////
-//MACRO
-#define boMLME_InactiveState(_AA_)	(_AA_->wState==INACTIVE)
-#define boMLME_IdleScanState(_BB_)	(_BB_->wState==IDLE_SCAN)
-#define boMLME_FoundSTAinfo(_CC_)	(_CC_->wState>=IDLE_SCAN)
+/*
+ * ==============================================
+ * MACRO
+ * ==============================================
+ */
+#define boMLME_InactiveState(_AA_)	(_AA_->wState == INACTIVE)
+#define boMLME_IdleScanState(_BB_)	(_BB_->wState == IDLE_SCAN)
+#define boMLME_FoundSTAinfo(_CC_)	(_CC_->wState >= IDLE_SCAN)
 
-typedef struct _MLME_FRAME
-{
-	//NDIS_PACKET		MLME_Packet;
-	s8 *			pMMPDU;
-	u16			len;
-	u8			DataType;
-	u8			IsInUsed;
+typedef struct _MLME_FRAME {
+	s8		*pMMPDU;
+	u16		len;
+	u8		DataType;
+	u8		IsInUsed;
 
 	spinlock_t	MLMESpinLock;
 
-    u8		TxMMPDU[MAX_NUM_TX_MMPDU][MAX_MMPDU_SIZE];
-	u8		TxMMPDUInUse[ (MAX_NUM_TX_MMPDU+3) & ~0x03 ];
+	u8		TxMMPDU[MAX_NUM_TX_MMPDU][MAX_MMPDU_SIZE];
+	u8		TxMMPDUInUse[(MAX_NUM_TX_MMPDU + 3) & ~0x03];
 
 	u16		wNumTxMMPDU;
 	u16		wNumTxMMPDUDiscarded;
 
-    u8		RxMMPDU[MAX_NUM_RX_MMPDU][MAX_MMPDU_SIZE];
-    u8	 	SaveRxBufSlotInUse[ (MAX_NUM_RX_MMPDU+3) & ~0x03 ];
+	u8		RxMMPDU[MAX_NUM_RX_MMPDU][MAX_MMPDU_SIZE];
+	u8		SaveRxBufSlotInUse[(MAX_NUM_RX_MMPDU + 3) & ~0x03];
 
 	u16		wNumRxMMPDU;
 	u16		wNumRxMMPDUDiscarded;
 
-	u16		wNumRxMMPDUInMLME; 	// Number of the Rx MMPDU
-	u16		reserved_1;			//  in MLME.
-                    	            //  excluding the discarded
+	u16		wNumRxMMPDUInMLME;	/* Number of the Rx MMPDU */
+	u16		reserved_1;		/*  in MLME. */
+						/*  excluding the discarded */
 } MLME_FRAME, *psMLME_FRAME;
 
 typedef struct _AUTHREQ {
 
-	u8 	peerMACaddr[MAC_ADDR_LENGTH];
-	u16	wAuthAlgorithm;
-
+	u8		peerMACaddr[MAC_ADDR_LENGTH];
+	u16		wAuthAlgorithm;
 } MLME_AUTHREQ_PARA, *psMLME_AUTHREQ_PARA;
 
 typedef struct _ASSOCREQ {
-  u8       PeerSTAAddr[MAC_ADDR_LENGTH];
-  u16       CapabilityInfo;
-  u16       ListenInterval;
-
-}__attribute__ ((packed)) MLME_ASSOCREQ_PARA, *psMLME_ASSOCREQ_PARA;
+	u8		PeerSTAAddr[MAC_ADDR_LENGTH];
+	u16		CapabilityInfo;
+	u16		ListenInterval;
+} __attribute__ ((packed)) MLME_ASSOCREQ_PARA, *psMLME_ASSOCREQ_PARA;
 
 typedef struct _REASSOCREQ {
-  u8       NewAPAddr[MAC_ADDR_LENGTH];
-  u16       CapabilityInfo;
-  u16       ListenInterval;
-
-}__attribute__ ((packed)) MLME_REASSOCREQ_PARA, *psMLME_REASSOCREQ_PARA;
+	u8		NewAPAddr[MAC_ADDR_LENGTH];
+	u16		CapabilityInfo;
+	u16		ListenInterval;
+} __attribute__ ((packed)) MLME_REASSOCREQ_PARA, *psMLME_REASSOCREQ_PARA;
 
 typedef struct _MLMECALLBACK {
-
-  u8 	*psFramePtr;
-  u8		bResult;
-
+	u8		*psFramePtr;
+	u8		bResult;
 } MLME_TXCALLBACK, *psMLME_TXCALLBACK;
 
-typedef struct _RXDATA
-{
+typedef struct _RXDATA {
 	s32		FrameLength;
-	u8	__attribute__ ((packed)) *pbFramePtr;
-
-}__attribute__ ((packed)) RXDATA, *psRXDATA;
+	u8		__attribute__ ((packed)) *pbFramePtr;
+} __attribute__ ((packed)) RXDATA, *psRXDATA;
 
 #endif

From 649f0650acae35ff301b81159820bf8eecf7f68e Mon Sep 17 00:00:00 2001
From: Sankar P <sankar.curiosity@gmail.com>
Date: Sat, 20 Mar 2010 02:10:59 +0530
Subject: [PATCH 0970/3638] Staging: winbond: Convert typedef struct _PMKID to
 struct pmkid

This patch converts the definition typedef struct _PMKID to
struct pmkid and also the part where the typedef was used.

Signed-off-by: Sankar P <sankar.curiosity@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mac_structures.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/winbond/mac_structures.h b/drivers/staging/winbond/mac_structures.h
index 0d1619601c0..350299026d4 100644
--- a/drivers/staging/winbond/mac_structures.h
+++ b/drivers/staging/winbond/mac_structures.h
@@ -505,10 +505,10 @@ struct RSN_Capability_Element
 }__attribute__ ((packed)) ;
 
 #ifdef _WPA2_
-typedef struct _PMKID
+struct pmkid
 {
   u8 pValue[16];
-}PMKID;
+};
 
 struct	WPA2_RSN_Information_Element
 {
@@ -531,7 +531,7 @@ struct WPA2_RSN_Auth_Sub_Information_Element
 struct PMKID_Information_Element
 {
 	u16				PMKID_Count;
-	PMKID pmkid [16] ;
+	struct pmkid pmkid[16];
 }__attribute__ ((packed));
 
 #endif //enddef _WPA2_

From ef1566e2bb23bc4d7384c27fe973f4d16c2f3c25 Mon Sep 17 00:00:00 2001
From: Sankar P <sankar.curiosity@gmail.com>
Date: Sat, 20 Mar 2010 02:11:00 +0530
Subject: [PATCH 0971/3638] Staging: winbond: Remove unused enum
 enum_PowerManagementMode

Signed-off-by: Sankar P <sankar.curiosity@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mac_structures.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/staging/winbond/mac_structures.h b/drivers/staging/winbond/mac_structures.h
index 350299026d4..44c1aaf211a 100644
--- a/drivers/staging/winbond/mac_structures.h
+++ b/drivers/staging/winbond/mac_structures.h
@@ -116,13 +116,6 @@
 #define WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT    ((u16) 6)
 #define WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT  ((u16) 2)
 
-//========================================================
-typedef enum enum_PowerManagementMode
-{
-    ACTIVE = 0,
-    POWER_SAVE
-} WB_PM_Mode, *PWB_PM_MODE;
-
 //===================================================================
 //  Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen
 //  length of ReasonCode is 2 Octs.

From 2de975336fbcf5a7b76703b00276668d0f932ebe Mon Sep 17 00:00:00 2001
From: Sankar P <sankar.curiosity@gmail.com>
Date: Sat, 20 Mar 2010 02:11:01 +0530
Subject: [PATCH 0972/3638] Staging: winbond: Convert typedef struct
 _STRUCT_SELECTOR

This patch converts the declaration typedef struct _STRUCT_SELECTOR
to struct struct_selector and also the places where it was used.

Signed-off-by: Sankar P <sankar.curiosity@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mac_structures.h | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/winbond/mac_structures.h b/drivers/staging/winbond/mac_structures.h
index 44c1aaf211a..f24dbb955bf 100644
--- a/drivers/staging/winbond/mac_structures.h
+++ b/drivers/staging/winbond/mac_structures.h
@@ -436,7 +436,7 @@ struct Extended_Supported_Rates_Element
 #define OUI_CIPHER_CCMP				0x04
 #define OUI_CIPHER_WEP_104			0x05
 
-typedef struct _SUITE_SELECTOR_
+struct suite_selector
 {
 	union
 	{
@@ -447,23 +447,23 @@ typedef struct _SUITE_SELECTOR_
 			u8	Type;
 		}SuitSelector;
 	};
-}SUITE_SELECTOR;
+};
 
 //--  WPA  --
 struct	RSN_Information_Element
 {
 	u8					Element_ID;
 	u8					Length;
-	SUITE_SELECTOR	OuiWPAAdditional;//WPA version 2.0 additional field, and should be 00:50:F2:01
+	struct suite_selector	OuiWPAAdditional; /* WPA version 2.0 additional field, and should be 00:50:F2:01 */
 	u16					Version;
-	SUITE_SELECTOR		GroupKeySuite;
+	struct suite_selector		GroupKeySuite;
 	u16					PairwiseKeySuiteCount;
-	SUITE_SELECTOR		PairwiseKeySuite[1];
+	struct suite_selector		PairwiseKeySuite[1];
 }__attribute__ ((packed));
 struct RSN_Auth_Sub_Information_Element
 {
 	u16				AuthKeyMngtSuiteCount;
-	SUITE_SELECTOR	AuthKeyMngtSuite[1];
+	struct suite_selector	AuthKeyMngtSuite[1];
 }__attribute__ ((packed));
 
 //--  WPA2  --
@@ -508,16 +508,16 @@ struct	WPA2_RSN_Information_Element
 	u8					Element_ID;
 	u8					Length;
 	u16					Version;
-	SUITE_SELECTOR		GroupKeySuite;
+	struct suite_selector		GroupKeySuite;
 	u16					PairwiseKeySuiteCount;
-	SUITE_SELECTOR		PairwiseKeySuite[1];
+	struct suite_selector		PairwiseKeySuite[1];
 
 }__attribute__ ((packed));
 
 struct WPA2_RSN_Auth_Sub_Information_Element
 {
 	u16				AuthKeyMngtSuiteCount;
-	SUITE_SELECTOR	AuthKeyMngtSuite[1];
+	struct suite_selector	AuthKeyMngtSuite[1];
 }__attribute__ ((packed));
 
 

From 20dbe695c37e832ad48352ebfdd6234086620608 Mon Sep 17 00:00:00 2001
From: Sankar P <sankar.curiosity@gmail.com>
Date: Sat, 20 Mar 2010 02:11:02 +0530
Subject: [PATCH 0973/3638] Staging: winbond: Remove typedef for standard types

Remove the typedef named "fixed" used for the standard type s32

Signed-off-by: Sankar P <sankar.curiosity@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/phy_calibration.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/winbond/phy_calibration.c b/drivers/staging/winbond/phy_calibration.c
index 8c56962ab80..78935865df1 100644
--- a/drivers/staging/winbond/phy_calibration.c
+++ b/drivers/staging/winbond/phy_calibration.c
@@ -25,10 +25,7 @@
 #define FIXED(X)        ((s32)((X) * 32768.0))
 #define DEG2RAD(X)      0.017453 * (X)
 
-/****************** LOCAL TYPE DEFINITION SECTION ***************************/
-typedef s32         fixed; /* 16.16 fixed-point */
-
-static const fixed Angles[]=
+static const s32 Angles[] =
 {
     FIXED(DEG2RAD(45.0)),    FIXED(DEG2RAD(26.565)),  FIXED(DEG2RAD(14.0362)),
     FIXED(DEG2RAD(7.12502)), FIXED(DEG2RAD(3.57633)), FIXED(DEG2RAD(1.78991)),
@@ -300,7 +297,7 @@ u32 _sqrt(u32 sqsum)
 /****************************************************************************/
 void _sin_cos(s32 angle, s32 *sin, s32 *cos)
 {
-    fixed       X, Y, TargetAngle, CurrAngle;
+    s32 X, Y, TargetAngle, CurrAngle;
     unsigned    Step;
 
     X=FIXED(AG_CONST);      // AG_CONST * cos(0)
@@ -310,7 +307,7 @@ void _sin_cos(s32 angle, s32 *sin, s32 *cos)
 
     for (Step=0; Step < 12; Step++)
     {
-        fixed NewX;
+	s32 NewX;
 
         if(TargetAngle > CurrAngle)
         {

From 75df20e0385198e80439bfc33c001fcecf094622 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Fri, 19 Mar 2010 21:43:25 +0100
Subject: [PATCH 0974/3638] Staging: winbond: mto.h Coding style fixes

I fixed all problems reported by checkpatch.pl except for a couple of
long lines. I also removed version comments and removed "commented away"
code.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mto.h | 179 ++++++++++++++++------------------
 1 file changed, 82 insertions(+), 97 deletions(-)

diff --git a/drivers/staging/winbond/mto.h b/drivers/staging/winbond/mto.h
index fb4781d5781..a0f659cf99f 100644
--- a/drivers/staging/winbond/mto.h
+++ b/drivers/staging/winbond/mto.h
@@ -1,13 +1,10 @@
-//==================================================================
-// MTO.H
-//
-// Revision history
-//=================================
-//          20030110    UN20 Pete Chao
-//                      Initial Release
-//
-// Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
-//==================================================================
+/*
+ * ==================================================================
+ * MTO.H
+ *
+ * Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
+ * ==================================================================
+ */
 #ifndef __MTO_H__
 #define __MTO_H__
 
@@ -15,115 +12,104 @@
 
 struct wbsoft_priv;
 
-// LA20040210_DTO kevin
-//#define MTO_PREAMBLE_LONG               0
-//#define MTO_PREAMBLE_SHORT              1
 #define MTO_PREAMBLE_LONG               WLAN_PREAMBLE_TYPE_LONG
 #define MTO_PREAMBLE_SHORT              WLAN_PREAMBLE_TYPE_SHORT
 
-//============================================================================
-// struct _MTOParameters --
-//
-//   Defines the parameters used in the MAC Throughput Optimization algorithm
-//============================================================================
+/* Defines the parameters used in the MAC Throughput Optimization algorithm */
 struct wb35_mto_params {
-	//---------        wkchen added      -------------
-	u32		TxFlowCount;	//to judge what kind the tx flow(sparse or busy) is
-	//------------------------------------------------
+	u32	TxFlowCount; /* to judge what kind the tx flow(sparse or busy) is */
 
-	//--------- DTO threshold parameters -------------
-	u16		DTO_PeriodicCheckCycle;
-	u16		DTO_RssiThForAntDiv;
+	/* --------- DTO threshold parameters ------------- */
+	u16	DTO_PeriodicCheckCycle;
+	u16	DTO_RssiThForAntDiv;
 
-	u16		DTO_TxCountThForCalcNewRate;
-	u16		DTO_TxRateIncTh;
+	u16	DTO_TxCountThForCalcNewRate;
+	u16	DTO_TxRateIncTh;
 
-	u16		DTO_TxRateDecTh;
-	u16		DTO_TxRateEqTh;
+	u16	DTO_TxRateDecTh;
+	u16	DTO_TxRateEqTh;
 
-	u16		DTO_TxRateBackOff;
-	u16		DTO_TxRetryRateReduce;
+	u16	DTO_TxRateBackOff;
+	u16	DTO_TxRetryRateReduce;
 
-	u16		DTO_TxPowerIndex;	//0 ~ 31
-	u16		reserved_1;
-	//------------------------------------------------
+	u16	DTO_TxPowerIndex;		/* 0 ~ 31 */
+	u16	reserved_1;
+	/* ------------------------------------------------ */
 
-	u8      PowerChangeEnable;
-	u8      AntDiversityEnable;
-	u8      CCA_Mode;
-	u8      CCA_Mode_Setup;
-	u8      Preamble_Type;
-	u8      PreambleChangeEnable;
+	u8	PowerChangeEnable;
+	u8	AntDiversityEnable;
+	u8	CCA_Mode;
+	u8	CCA_Mode_Setup;
+	u8	Preamble_Type;
+	u8	PreambleChangeEnable;
 
-	u8      DataRateLevel;
-	u8      DataRateChangeEnable;
-	u8      FragThresholdLevel;
-	u8      FragThresholdChangeEnable;
+	u8	DataRateLevel;
+	u8	DataRateChangeEnable;
+	u8	FragThresholdLevel;
+	u8	FragThresholdChangeEnable;
 
-	u16     RTSThreshold;
-	u16     RTSThreshold_Setup;
+	u16	RTSThreshold;
+	u16	RTSThreshold_Setup;
 
-	u32     AvgIdleSlot;
-	u32     Pr_Interf;
-	u32     AvgGapBtwnInterf;
+	u32	AvgIdleSlot;
+	u32	Pr_Interf;
+	u32	AvgGapBtwnInterf;
 
-	u8	   RTSChangeEnable;
-	u8      Ant_sel;
-	u8      aging_timeout;
-	u8	   reserved_2;
+	u8	RTSChangeEnable;
+	u8	Ant_sel;
+	u8	aging_timeout;
+	u8	reserved_2;
 
-	u32     Cnt_Ant[2];
-	u32     SQ_Ant[2];
+	u32	Cnt_Ant[2];
+	u32	SQ_Ant[2];
 
-// 20040510 remove from globe vairable
-	u8		FallbackRateLevel;
-	u8		OfdmRateLevel;
+	u8	FallbackRateLevel;
+	u8	OfdmRateLevel;
 
-	u8		RatePolicy;
-	u8		reserved_3[3];
-
-	// For RSSI turning
-	s32		RSSI_high;
-	s32		RSSI_low;
+	u8	RatePolicy;
+	u8	reserved_3[3];
 
+	/* For RSSI turning */
+	s32	RSSI_high;
+	s32	RSSI_low;
 };
 
 
-#define MTO_DATA()                  (adapter->sMtoPara)
-#define MTO_HAL()                   (&adapter->sHwData)
-#define MTO_SET_PREAMBLE_TYPE(x)    // 20040511 Turbo mark LM_PREAMBLE_TYPE(&pcore_data->lm_data) = (x)
-#define MTO_ENABLE					(adapter->sLocalPara.TxRateMode == RATE_AUTO)
-#define MTO_TXPOWER_FROM_EEPROM		(adapter->sHwData.PowerIndexFromEEPROM)
-#define LOCAL_ANTENNA_NO()			(adapter->sLocalPara.bAntennaNo)
-#define LOCAL_IS_CONNECTED()		(adapter->sLocalPara.wConnectedSTAindex != 0)
-#define MTO_INITTXRATE_MODE			(adapter->sHwData.SoftwareSet&0x2)	//bit 1
+#define MTO_DATA()		(adapter->sMtoPara)
+#define MTO_HAL()		(&adapter->sHwData)
+#define MTO_SET_PREAMBLE_TYPE(x) /* Turbo mark LM_PREAMBLE_TYPE(&pcore_data->lm_data) = (x) */
+#define MTO_ENABLE		(adapter->sLocalPara.TxRateMode == RATE_AUTO)
+#define MTO_TXPOWER_FROM_EEPROM	(adapter->sHwData.PowerIndexFromEEPROM)
+#define LOCAL_ANTENNA_NO()	(adapter->sLocalPara.bAntennaNo)
+#define LOCAL_IS_CONNECTED()	(adapter->sLocalPara.wConnectedSTAindex != 0)
+#define MTO_INITTXRATE_MODE	(adapter->sHwData.SoftwareSet&0x2) /* bit 1 */
 
-#define MTO_POWER_CHANGE_ENABLE()   MTO_DATA().PowerChangeEnable
-#define MTO_CCA_MODE()              MTO_DATA().CCA_Mode
-#define MTO_CCA_MODE_SETUP()        MTO_DATA().CCA_Mode_Setup
-#define MTO_PREAMBLE_TYPE()         MTO_DATA().Preamble_Type
-#define MTO_PREAMBLE_CHANGE_ENABLE()         MTO_DATA().PreambleChangeEnable
+#define MTO_POWER_CHANGE_ENABLE()	MTO_DATA().PowerChangeEnable
+#define MTO_CCA_MODE()			MTO_DATA().CCA_Mode
+#define MTO_CCA_MODE_SETUP()		MTO_DATA().CCA_Mode_Setup
+#define MTO_PREAMBLE_TYPE()		MTO_DATA().Preamble_Type
+#define MTO_PREAMBLE_CHANGE_ENABLE()	MTO_DATA().PreambleChangeEnable
 
-#define MTO_RATE_LEVEL()            MTO_DATA().DataRateLevel
+#define MTO_RATE_LEVEL()		MTO_DATA().DataRateLevel
 #define MTO_OFDM_RATE_LEVEL()		MTO_DATA().OfdmRateLevel
-#define MTO_RATE_CHANGE_ENABLE()    MTO_DATA().DataRateChangeEnable
-#define MTO_FRAG_TH_LEVEL()         MTO_DATA().FragThresholdLevel
-#define MTO_FRAG_CHANGE_ENABLE()    MTO_DATA().FragThresholdChangeEnable
-#define MTO_RTS_THRESHOLD()         MTO_DATA().RTSThreshold
-#define MTO_RTS_CHANGE_ENABLE()     MTO_DATA().RTSChangeEnable
-#define MTO_RTS_THRESHOLD_SETUP()   MTO_DATA().RTSThreshold_Setup
+#define MTO_RATE_CHANGE_ENABLE()	MTO_DATA().DataRateChangeEnable
+#define MTO_FRAG_TH_LEVEL()		MTO_DATA().FragThresholdLevel
+#define MTO_FRAG_CHANGE_ENABLE()	MTO_DATA().FragThresholdChangeEnable
+#define MTO_RTS_THRESHOLD()		MTO_DATA().RTSThreshold
+#define MTO_RTS_CHANGE_ENABLE()		MTO_DATA().RTSChangeEnable
+#define MTO_RTS_THRESHOLD_SETUP()	MTO_DATA().RTSThreshold_Setup
 
-#define MTO_AVG_IDLE_SLOT()         MTO_DATA().AvgIdleSlot
-#define MTO_PR_INTERF()             MTO_DATA().Pr_Interf
-#define MTO_AVG_GAP_BTWN_INTERF()   MTO_DATA().AvgGapBtwnInterf
+#define MTO_AVG_IDLE_SLOT()		MTO_DATA().AvgIdleSlot
+#define MTO_PR_INTERF()			MTO_DATA().Pr_Interf
+#define MTO_AVG_GAP_BTWN_INTERF()	MTO_DATA().AvgGapBtwnInterf
 
-#define MTO_CNT_ANT(x)              MTO_DATA().Cnt_Ant[(x)]
-#define MTO_SQ_ANT(x)               MTO_DATA().SQ_Ant[(x)]
-#define MTO_AGING_TIMEOUT()         MTO_DATA().aging_timeout
+#define MTO_CNT_ANT(x)			MTO_DATA().Cnt_Ant[(x)]
+#define MTO_SQ_ANT(x)			MTO_DATA().SQ_Ant[(x)]
+#define MTO_AGING_TIMEOUT()		MTO_DATA().aging_timeout
 
+#define MTO_TXFLOWCOUNT()		MTO_DATA().TxFlowCount
 
-#define MTO_TXFLOWCOUNT()			MTO_DATA().TxFlowCount
-//--------- DTO threshold parameters -------------
+/* --------- DTO threshold parameters ------------- */
 #define	MTOPARA_PERIODIC_CHECK_CYCLE()		MTO_DATA().DTO_PeriodicCheckCycle
 #define	MTOPARA_RSSI_TH_FOR_ANTDIV()		MTO_DATA().DTO_RssiThForAntDiv
 #define	MTOPARA_TXCOUNT_TH_FOR_CALC_RATE()	MTO_DATA().DTO_TxCountThForCalcNewRate
@@ -133,13 +119,13 @@ struct wb35_mto_params {
 #define	MTOPARA_TXRATE_BACKOFF()		MTO_DATA().DTO_TxRateBackOff
 #define	MTOPARA_TXRETRYRATE_REDUCE()		MTO_DATA().DTO_TxRetryRateReduce
 #define MTOPARA_TXPOWER_INDEX()			MTO_DATA().DTO_TxPowerIndex
-//------------------------------------------------
+/* ------------------------------------------------ */
 
 
-extern u16  MTO_Frag_Th_Tbl[];
+extern u16 MTO_Frag_Th_Tbl[];
 
-#define MTO_DATA_RATE()          MTO_Data_Rate_Tbl[MTO_RATE_LEVEL()]
-#define MTO_FRAG_TH()            MTO_Frag_Th_Tbl[MTO_FRAG_TH_LEVEL()]
+#define MTO_DATA_RATE()			MTO_Data_Rate_Tbl[MTO_RATE_LEVEL()]
+#define MTO_FRAG_TH()			MTO_Frag_Th_Tbl[MTO_FRAG_TH_LEVEL()]
 
 extern void MTO_Init(struct wbsoft_priv *);
 extern void MTO_PeriodicTimerExpired(struct wbsoft_priv *);
@@ -148,6 +134,5 @@ extern u8 MTO_GetTxRate(struct wbsoft_priv *adapter, u32 fpdu_len);
 extern u8 MTO_GetTxFallbackRate(struct wbsoft_priv *adapter);
 extern void MTO_SetTxCount(struct wbsoft_priv *adapter, u8 t0, u8 index);
 
-#endif //__MTO_H__
-
+#endif /* __MTO_H__ */
 

From f9a4191cfbe86c5f96a6c6d340ab8bb65fa5c211 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sat, 20 Mar 2010 00:26:45 +0100
Subject: [PATCH 0975/3638] Staging: winbond: mto.c Coding style fixes

I changed all things reported by checkpatch.pl except some long lines
and the use of externs in a .c file. I also removed revision comments
and "commented out" code.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mto.c | 287 +++++++++++++++-------------------
 1 file changed, 123 insertions(+), 164 deletions(-)

diff --git a/drivers/staging/winbond/mto.c b/drivers/staging/winbond/mto.c
index 5e7fa1cd0ae..9cd212783d6 100644
--- a/drivers/staging/winbond/mto.c
+++ b/drivers/staging/winbond/mto.c
@@ -1,222 +1,181 @@
-//============================================================================
-//  MTO.C -
-//
-//  Description:
-//    MAC Throughput Optimization for W89C33 802.11g WLAN STA.
-//
-//    The following MIB attributes or internal variables will be affected
-//    while the MTO is being executed:
-//       dot11FragmentationThreshold,
-//       dot11RTSThreshold,
-//       transmission rate and PLCP preamble type,
-//       CCA mode,
-//       antenna diversity.
-//
-//  Revision history:
-//  --------------------------------------------------------------------------
-//           20031227  UN20 Pete Chao
-//                     First draft
-//  20031229           Turbo                copy from PD43
-//  20040210           Kevin                revised
-//  Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
-//============================================================================
+/*
+ * ============================================================================
+ * MTO.C -
+ *
+ * Description:
+ * MAC Throughput Optimization for W89C33 802.11g WLAN STA.
+ *
+ * The following MIB attributes or internal variables will be affected
+ * while the MTO is being executed:
+ *	dot11FragmentationThreshold,
+ *	dot11RTSThreshold,
+ *	transmission rate and PLCP preamble type,
+ *	CCA mode,
+ *	antenna diversity.
+ *
+ * Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
+ * ============================================================================
+ */
 
-// LA20040210_DTO kevin
 #include "sysdef.h"
 #include "sme_api.h"
 #include "wbhal_f.h"
 
-// Declare SQ3 to rate and fragmentation threshold table
-// Declare fragmentation thresholds table
-#define MTO_MAX_FRAG_TH_LEVELS                  5
-#define MTO_MAX_DATA_RATE_LEVELS                12
+/* Declare SQ3 to rate and fragmentation threshold table */
+/* Declare fragmentation thresholds table */
+#define MTO_MAX_FRAG_TH_LEVELS		5
+#define MTO_MAX_DATA_RATE_LEVELS	12
 
-u16 MTO_Frag_Th_Tbl[MTO_MAX_FRAG_TH_LEVELS] =
-{
-    256, 384, 512, 768, 1536
+u16 MTO_Frag_Th_Tbl[MTO_MAX_FRAG_TH_LEVELS] = {
+	256, 384, 512, 768, 1536
 };
 
-// Declare data rate table
-//The following table will be changed at anytime if the opration rate supported by AP don't
-//match the table
+/*
+ * Declare data rate table:
+ * The following table will be changed at anytime if the opration rate
+ * supported by AP don't match the table
+ */
 static u8 MTO_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] = {
-    2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108
+	2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108
 };
 
-static int TotalTxPkt = 0;
-static int TotalTxPktRetry = 0;
-static int retryrate_rec[MTO_MAX_DATA_RATE_LEVELS];//this record the retry rate at different data rate
+static int TotalTxPkt;
+static int TotalTxPktRetry;
+/* this record the retry rate at different data rate */
+static int retryrate_rec[MTO_MAX_DATA_RATE_LEVELS];
 
-static int PeriodTotalTxPkt = 0;
-static int PeriodTotalTxPktRetry = 0;
+static int PeriodTotalTxPkt;
+static int PeriodTotalTxPktRetry;
 
-static u8 boSparseTxTraffic = false;
+static u8 boSparseTxTraffic;
 
 void MTO_Init(struct wbsoft_priv *adapter);
 void TxRateReductionCtrl(struct wbsoft_priv *adapter);
-/** 1.1.31.1000 Turbo modify */
 void MTO_SetTxCount(struct wbsoft_priv *adapter, u8 t0, u8 index);
 void MTO_TxFailed(struct wbsoft_priv *adapter);
 void hal_get_dto_para(struct wbsoft_priv *adapter, char *buffer);
 
-//===========================================================================
-//  MTO_Init --
-//
-//  Description:
-//    Initialize MTO parameters.
-//
-//    This function should be invoked during system initialization.
-//
-//  Arguments:
-//    adapter      - The pointer to the Miniport adapter Context
-//
-//  Return Value:
-//    None
-//============================================================================
+/*
+ * ===========================================================================
+ * MTO_Init --
+ *
+ *  Description:
+ *    Initialize MTO parameters.
+ *
+ *    This function should be invoked during system initialization.
+ *
+ *  Arguments:
+ *    adapter      - The pointer to the Miniport adapter Context
+ * ===========================================================================
+ */
 void MTO_Init(struct wbsoft_priv *adapter)
 {
-    int i;
+	int i;
 
-    //[WKCHEN]MTO_CCA_MODE_SETUP()= (u8) hal_get_cca_mode(MTO_HAL());
-    //[WKCHEN]MTO_CCA_MODE()      = MTO_CCA_MODE_SETUP();
+	MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_SHORT;   /* for test */
 
-    //MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_LONG;
-    MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_SHORT;   // for test
+	MTO_CNT_ANT(0)			= 0;
+	MTO_CNT_ANT(1)			= 0;
+	MTO_SQ_ANT(0)			= 0;
+	MTO_SQ_ANT(1)			= 0;
 
-    MTO_CNT_ANT(0)      = 0;
-    MTO_CNT_ANT(1)      = 0;
-    MTO_SQ_ANT(0)       = 0;
-    MTO_SQ_ANT(1)       = 0;
+	MTO_AGING_TIMEOUT()		= 0;
 
-    MTO_AGING_TIMEOUT() = 0;
+	/* The following parameters should be initialized to the values set by user */
+	MTO_RATE_LEVEL()		= 0;
+	MTO_FRAG_TH_LEVEL()		= 4;
+	MTO_RTS_THRESHOLD()		= MTO_FRAG_TH() + 1;
+	MTO_RTS_THRESHOLD_SETUP()	= MTO_FRAG_TH() + 1;
+	MTO_RATE_CHANGE_ENABLE()	= 1;
+	MTO_FRAG_CHANGE_ENABLE()	= 0;
+	MTO_POWER_CHANGE_ENABLE()	= 1;
+	MTO_PREAMBLE_CHANGE_ENABLE()	= 1;
+	MTO_RTS_CHANGE_ENABLE()		= 0;
 
-    // The following parameters should be initialized to the values set by user
-    //
-    //MTO_RATE_LEVEL()            = 10;
-    MTO_RATE_LEVEL()            = 0;
-    MTO_FRAG_TH_LEVEL()         = 4;
-    /** 1.1.23.1000 Turbo modify from -1 to +1
-	MTO_RTS_THRESHOLD()         = MTO_FRAG_TH() - 1;
-    MTO_RTS_THRESHOLD_SETUP()   = MTO_FRAG_TH() - 1;
-	*/
-	MTO_RTS_THRESHOLD()         = MTO_FRAG_TH() + 1;
-    MTO_RTS_THRESHOLD_SETUP()   = MTO_FRAG_TH() + 1;
-    // 1.1.23.1000 Turbo add for mto change preamble from 0 to 1
-	MTO_RATE_CHANGE_ENABLE()    = 1;
-    MTO_FRAG_CHANGE_ENABLE()    = 0;          // 1.1.29.1000 Turbo add don't support frag
-	//The default valud of ANTDIV_DEFAULT_ON will be decided by EEPROM
-	//#ifdef ANTDIV_DEFAULT_ON
-	//#else
-	//#endif
-    MTO_POWER_CHANGE_ENABLE()   = 1;
-	MTO_PREAMBLE_CHANGE_ENABLE()= 1;
-    MTO_RTS_CHANGE_ENABLE()     = 0;          // 1.1.29.1000 Turbo add don't support frag
-    // 20040512 Turbo add
-	//old_antenna[0] = 1;
-	//old_antenna[1] = 0;
-	//old_antenna[2] = 1;
-	//old_antenna[3] = 0;
-	for (i=0;i<MTO_MAX_DATA_RATE_LEVELS;i++)
-		retryrate_rec[i]=5;
+	for (i = 0; i < MTO_MAX_DATA_RATE_LEVELS; i++)
+		retryrate_rec[i] = 5;
 
 	MTO_TXFLOWCOUNT() = 0;
-	//--------- DTO threshold parameters -------------
-	//MTOPARA_PERIODIC_CHECK_CYCLE() = 50;
-	MTOPARA_PERIODIC_CHECK_CYCLE() = 10;
-	MTOPARA_RSSI_TH_FOR_ANTDIV() = 10;
-	MTOPARA_TXCOUNT_TH_FOR_CALC_RATE() = 50;
-	MTOPARA_TXRATE_INC_TH()	= 10;
-	MTOPARA_TXRATE_DEC_TH() = 30;
-	MTOPARA_TXRATE_EQ_TH() = 40;
-	MTOPARA_TXRATE_BACKOFF() = 12;
-	MTOPARA_TXRETRYRATE_REDUCE() = 6;
-	if ( MTO_TXPOWER_FROM_EEPROM == 0xff)
-	{
-		switch( MTO_HAL()->phy_type)
-		{
-			case RF_AIROHA_2230:
-			case RF_AIROHA_2230S: // 20060420 Add this
-				MTOPARA_TXPOWER_INDEX() = 46; // MAX-8 // @@ Only for AL 2230
-				break;
-			case RF_AIROHA_7230:
-				MTOPARA_TXPOWER_INDEX() = 49;
-				break;
-			case RF_WB_242:
-				MTOPARA_TXPOWER_INDEX() = 10;
-				break;
-			case RF_WB_242_1:
-				MTOPARA_TXPOWER_INDEX() = 24; // ->10 20060316.1 modify
-				break;
+	/* --------- DTO threshold parameters ------------- */
+	MTOPARA_PERIODIC_CHECK_CYCLE()		= 10;
+	MTOPARA_RSSI_TH_FOR_ANTDIV()		= 10;
+	MTOPARA_TXCOUNT_TH_FOR_CALC_RATE()	= 50;
+	MTOPARA_TXRATE_INC_TH()			= 10;
+	MTOPARA_TXRATE_DEC_TH()			= 30;
+	MTOPARA_TXRATE_EQ_TH()			= 40;
+	MTOPARA_TXRATE_BACKOFF()		= 12;
+	MTOPARA_TXRETRYRATE_REDUCE()		= 6;
+	if (MTO_TXPOWER_FROM_EEPROM == 0xff) {
+		switch (MTO_HAL()->phy_type) {
+		case RF_AIROHA_2230:
+		case RF_AIROHA_2230S:
+			MTOPARA_TXPOWER_INDEX() = 46; /* MAX-8 @@ Only for AL 2230 */
+			break;
+		case RF_AIROHA_7230:
+			MTOPARA_TXPOWER_INDEX() = 49;
+			break;
+		case RF_WB_242:
+			MTOPARA_TXPOWER_INDEX() = 10;
+			break;
+		case RF_WB_242_1:
+			MTOPARA_TXPOWER_INDEX() = 24;
+			break;
 		}
-	}
-	else	//follow the setting from EEPROM
+	} else { /* follow the setting from EEPROM */
 		MTOPARA_TXPOWER_INDEX() = MTO_TXPOWER_FROM_EEPROM;
-	RFSynthesizer_SetPowerIndex(MTO_HAL(), (u8)MTOPARA_TXPOWER_INDEX());
-	//------------------------------------------------
+	}
+	RFSynthesizer_SetPowerIndex(MTO_HAL(), (u8) MTOPARA_TXPOWER_INDEX());
+	/* ------------------------------------------------ */
 
-	// For RSSI turning 20060808.4 Cancel load from EEPROM
+	/* For RSSI turning -- Cancel load from EEPROM */
 	MTO_DATA().RSSI_high = -41;
 	MTO_DATA().RSSI_low = -60;
 }
 
-//===========================================================================
-//  Description:
-//      If we enable DTO, we will ignore the tx count with different tx rate from
-//      DTO rate. This is because when we adjust DTO tx rate, there could be some
-//      packets in the tx queue with previous tx rate
+/* ===========================================================================
+ * Description:
+ *	If we enable DTO, we will ignore the tx count with different tx rate
+ *	from DTO rate. This is because when we adjust DTO tx rate, there could
+ *	be some packets in the tx queue with previous tx rate
+ */
+
 void MTO_SetTxCount(struct wbsoft_priv *adapter, u8 tx_rate, u8 index)
 {
 	MTO_TXFLOWCOUNT()++;
-	if ((MTO_ENABLE==1) && (MTO_RATE_CHANGE_ENABLE()==1))
-	{
-		if(tx_rate == MTO_DATA_RATE())
-		{
-			if (index == 0)
-			{
+	if ((MTO_ENABLE == 1) && (MTO_RATE_CHANGE_ENABLE() == 1)) {
+		if (tx_rate == MTO_DATA_RATE()) {
+			if (index == 0) {
 				if (boSparseTxTraffic)
 					MTO_HAL()->dto_tx_frag_count += MTOPARA_PERIODIC_CHECK_CYCLE();
 				else
 					MTO_HAL()->dto_tx_frag_count += 1;
-			}
-			else
-			{
-				if (index<8)
-				{
+			} else {
+				if (index < 8) {
 					MTO_HAL()->dto_tx_retry_count += index;
-					MTO_HAL()->dto_tx_frag_count += (index+1);
-				}
-				else
-				{
+					MTO_HAL()->dto_tx_frag_count += (index + 1);
+				} else {
 					MTO_HAL()->dto_tx_retry_count += 7;
 					MTO_HAL()->dto_tx_frag_count += 7;
 				}
 			}
-		}
-		else if(MTO_DATA_RATE()>48 && tx_rate ==48)
-		{//ALFRED
-			if (index<3) //for reduciing data rate scheme ,
-				         //do not calcu different data rate
-						 //3 is the reducing data rate at retry
-			{
+		} else if (MTO_DATA_RATE() > 48 && tx_rate == 48) {
+			/* for reducing data rate scheme, do not calculate different data rate. 3 is the reducing data rate at retry. */
+			if (index < 3) {
 				MTO_HAL()->dto_tx_retry_count += index;
-				MTO_HAL()->dto_tx_frag_count += (index+1);
-			}
-			else
-			{
+				MTO_HAL()->dto_tx_frag_count += (index + 1);
+			} else {
 				MTO_HAL()->dto_tx_retry_count += 3;
 				MTO_HAL()->dto_tx_frag_count += 3;
 			}
 
 		}
-	}
-	else
-	{
+	} else {
 		MTO_HAL()->dto_tx_retry_count += index;
-		MTO_HAL()->dto_tx_frag_count += (index+1);
+		MTO_HAL()->dto_tx_frag_count += (index + 1);
 	}
-	TotalTxPkt ++;
-	TotalTxPktRetry += (index+1);
+	TotalTxPkt++;
+	TotalTxPktRetry += (index + 1);
 
-	PeriodTotalTxPkt ++;
-	PeriodTotalTxPktRetry += (index+1);
+	PeriodTotalTxPkt++;
+	PeriodTotalTxPktRetry += (index + 1);
 }

From 5dcf8f668c330e72bf3a1de9e8b9451912a68ccd Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sat, 20 Mar 2010 15:37:21 +0200
Subject: [PATCH 0976/3638] Staging: winbond: fix comments coding style issue
 in core.h

This is a patch to the core.h file that fixed up a TAB and spaces Errors
found by the checkpatch.pl tools, like do not use C99 // comments

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/core.h | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/winbond/core.h b/drivers/staging/winbond/core.h
index 0a2060bf4f9..b87d6c07600 100644
--- a/drivers/staging/winbond/core.h
+++ b/drivers/staging/winbond/core.h
@@ -12,14 +12,16 @@
 #define WB_MAX_LINK_NAME_LEN 40
 
 struct wbsoft_priv {
-	u32 adapterIndex;	// 20060703.4 Add for using padapterContext global adapter point
+	u32 adapterIndex;	/* 20060703.4 Add for using padapterContext
+							global adapter point */
 
-	struct wb_local_para sLocalPara;	// Myself connected parameters
+	struct wb_local_para sLocalPara;	/* Myself connected
+							parameters */
 
-	MLME_FRAME sMlmeFrame;	// connect to peerSTA parameters
+	MLME_FRAME sMlmeFrame;	/* connect to peerSTA parameters */
 
-	struct wb35_mto_params sMtoPara;	// MTO_struct ...
-	struct hw_data sHwData;	//For HAL
+	struct wb35_mto_params sMtoPara;	/* MTO_struct ... */
+	struct hw_data sHwData;	/*For HAL */
 	struct wb35_mds Mds;
 
 	spinlock_t SpinLock;
@@ -30,7 +32,7 @@ struct wbsoft_priv {
 	u32 TxByteCount;
 
 	struct sk_buff *packet_return;
-	s32 netif_state_stop;	// 1: stop  0: normal
+	s32 netif_state_stop;	/* 1: stop  0: normal */
 	struct iw_statistics iw_stats;
 
 	u8 LinkName[WB_MAX_LINK_NAME_LEN];

From 03a4389c808a552abb734483310b52140491ed00 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sat, 20 Mar 2010 16:29:01 +0200
Subject: [PATCH 0977/3638] Staging: winbond: fix comments coding style issue
 in mac_structures.h

This is a patch to the mac_structures.h file that fixed up a comments
Errors found by the checkpatch.pl tool

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mac_structures.h | 156 +++++++++++------------
 1 file changed, 78 insertions(+), 78 deletions(-)

diff --git a/drivers/staging/winbond/mac_structures.h b/drivers/staging/winbond/mac_structures.h
index f24dbb955bf..80d7e4a8899 100644
--- a/drivers/staging/winbond/mac_structures.h
+++ b/drivers/staging/winbond/mac_structures.h
@@ -1,4 +1,4 @@
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 // MAC_Structures.h
 //
 // This file contains the definitions and data structures used by SW-MAC.
@@ -16,24 +16,24 @@
 //                      Deleted some unused.
 //          20021129    PD43 Austin
 //			20030617	increase the 802.11g definition
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
 
 #ifndef _MAC_Structures_H_
 #define _MAC_Structures_H_
 
 #include <linux/skbuff.h>
 
-//=========================================================
+/*=========================================================
 // Some miscellaneous definitions
-//-----
+//-----*/
 #define MAX_CHANNELS                        30
 #define MAC_ADDR_LENGTH                     6
-#define MAX_WEP_KEY_SIZE                    16  // 128 bits
-#define	MAX_802_11_FRAGMENT_NUMBER		10 // By spec
+#define MAX_WEP_KEY_SIZE                    16  /* 128 bits */
+#define	MAX_802_11_FRAGMENT_NUMBER		10 /* By spec */
 
-//========================================================
+/* ========================================================
 // 802.11 Frame define
-//-----
+//----- */
 #define MASK_PROTOCOL_VERSION_TYPE	0x0F
 #define MASK_FRAGMENT_NUMBER		0x000F
 #define SEQUENCE_NUMBER_SHIFT		4
@@ -41,8 +41,8 @@
 #define DOT_11_MAC_HEADER_SIZE		24
 #define DOT_11_SNAP_SIZE			6
 #define DOT_11_DURATION_OFFSET		2
-#define DOT_11_SEQUENCE_OFFSET		22 //Sequence control offset
-#define DOT_11_TYPE_OFFSET			30 //The start offset of 802.11 Frame//
+#define DOT_11_SEQUENCE_OFFSET		22 /* Sequence control offset */
+#define DOT_11_TYPE_OFFSET			30 /* The start offset of 802.11 Frame// */
 #define DOT_11_DATA_OFFSET          24
 #define DOT_11_DA_OFFSET			4
 #define DOT_3_TYPE_ARP				0x80F3
@@ -54,7 +54,7 @@
 #define MAX_ETHERNET_PACKET_SIZE		1514
 
 
-//-----  management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
+/* -----  management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) */
 #define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST    0x00
 #define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE   0x10
 #define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST  0x20
@@ -67,7 +67,7 @@
 #define MAC_SUBTYPE_MNGMNT_AUTHENTICATION   0xB0
 #define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0
 
-//-----  control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
+/* -----  control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) */
 #define MAC_SUBTYPE_CONTROL_PSPOLL          0xA4
 #define MAC_SUBTYPE_CONTROL_RTS             0xB4
 #define MAC_SUBTYPE_CONTROL_CTS             0xC4
@@ -75,7 +75,7 @@
 #define MAC_SUBTYPE_CONTROL_CFEND           0xE4
 #define MAC_SUBTYPE_CONTROL_CFEND_CFACK     0xF4
 
-//-----  data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
+/* -----  data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) */
 #define MAC_SUBTYPE_DATA                    0x08
 #define MAC_SUBTYPE_DATA_CFACK              0x18
 #define MAC_SUBTYPE_DATA_CFPOLL             0x28
@@ -85,12 +85,12 @@
 #define MAC_SUBTYPE_DATA_CFPOLL_NULL        0x68
 #define MAC_SUBTYPE_DATA_CFACK_CFPOLL_NULL  0x78
 
-//-----  Frame Type of Bits (2, 3)
+/* -----  Frame Type of Bits (2, 3) */
 #define MAC_TYPE_MANAGEMENT                 0x00
 #define MAC_TYPE_CONTROL                    0x04
 #define MAC_TYPE_DATA                       0x08
 
-//----- definitions for Management Frame Element ID (1 BYTE)
+/* ----- definitions for Management Frame Element ID (1 BYTE) */
 #define ELEMENT_ID_SSID                     0
 #define ELEMENT_ID_SUPPORTED_RATES          1
 #define ELEMENT_ID_FH_PARAMETER_SET         2
@@ -130,7 +130,7 @@
 #define REASON_CLASS3_FRAME_FROM_NONASSO_STA    7
 #define DISASS_REASON_LEFT_BSS      8
 #define REASON_NOT_AUTH_YET         9
-//802.11i define
+/* 802.11i define */
 #define REASON_INVALID_IE						13
 #define REASON_MIC_ERROR						14
 #define REASON_4WAY_HANDSHAKE_TIMEOUT			15
@@ -175,11 +175,11 @@ enum enum_MMPDUResultCode
 } WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE;
 */
 
-//===========================================================
+/*===========================================================
 // enum_TxRate --
 //   Define the transmission constants based on W89C32 MAC
 //   target specification.
-//===========================================================
+//===========================================================*/
 typedef enum enum_TxRate
 {
     TXRATE_1M               = 0,
@@ -189,7 +189,7 @@ typedef enum enum_TxRate
     TXRATE_55MSHORT         = 5,
     TXRATE_11MLONG          = 6,
     TXRATE_11MSHORT         = 7,
-    TXRATE_AUTO             = 255           // PD43 20021108
+    TXRATE_AUTO             = 255           /* PD43 20021108 */
 } WB_TXRATE, *PWB_TXRATE;
 
 
@@ -225,7 +225,7 @@ typedef enum enum_TxRate
 #define RATE_54M					108
 #define RATE_MAX					255
 
-//CAPABILITY
+/* CAPABILITY */
 #define CAPABILITY_ESS_BIT				0x0001
 #define CAPABILITY_IBSS_BIT				0x0002
 #define CAPABILITY_CF_POLL_BIT			0x0004
@@ -243,10 +243,10 @@ struct Capability_Information_Element
   union
   {
   	u16 __attribute__ ((packed)) wValue;
-    #ifdef _BIG_ENDIAN_  //20060926 add by anson's endian
+    #ifdef _BIG_ENDIAN_  /* 20060926 add by anson's endian */
     struct _Capability
     {
-        //--  11G  --
+        /* --  11G  -- */
 	u8	Reserved3 : 2;
 	u8	DSSS_OFDM : 1;
 	u8	Reserved2 : 2;
@@ -273,7 +273,7 @@ struct Capability_Information_Element
         u8    PBCC : 1;
         u8    Channel_Agility : 1;
         u8    Reserved1 : 2;
-		//--  11G  --
+		/* --  11G  -- */
 		u8	Short_Slot_Time : 1;
 		u8	Reserved2 : 2;
 		u8	DSSS_OFDM : 1;
@@ -320,8 +320,8 @@ struct CF_Parameter_Set_Element
     u8    Length;
     u8    CFP_Count;
     u8    CFP_Period;
-    u8    CFP_MaxDuration[2];     // in Time Units
-    u8    CFP_DurRemaining[2];    // in time units
+    u8    CFP_MaxDuration[2];     /* in Time Units */
+    u8    CFP_DurRemaining[2];    /* in time units */
 };
 
 struct TIM_Element
@@ -350,8 +350,8 @@ struct Challenge_Text_Element
 
 struct PHY_Parameter_Set_Element
 {
-//  int     aSlotTime;
-//  int     aSifsTime;
+/*  int     aSlotTime; */
+/*  int     aSifsTime; */
     s32     aCCATime;
     s32     aRxTxTurnaroundTime;
     s32     aTxPLCPDelay;
@@ -367,17 +367,17 @@ struct PHY_Parameter_Set_Element
     s32     aPLCPHeaderLength;
     s32     aMPDUDurationFactor;
     s32     aMPDUMaxLength;
-//  int     aCWmin;
-//  int     aCWmax;
+/*  int     aCWmin; */
+/*  int     aCWmax; */
 };
 
-//--  11G  --
+/* --  11G  -- */
 struct ERP_Information_Element
 {
     u8	Element_ID;
     u8	Length;
-    #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
-    	u8	Reserved:5;   //20060926 add by anson
+    #ifdef _BIG_ENDIAN_ /* 20060926 add by anson's endian */
+    	u8	Reserved:5;   /* 20060926 add by anson */
        u8	Barker_Preamble_Mode:1;
 	u8	Use_Protection:1;
        u8	NonERP_Present:1;
@@ -396,41 +396,41 @@ struct Extended_Supported_Rates_Element
     u8	ExtendedSupportedRates[255];
 }__attribute__ ((packed));
 
-//WPA(802.11i draft 3.0)
+/* WPA(802.11i draft 3.0) */
 #define VERSION_WPA				1
 #ifdef _WPA2_
 #define VERSION_WPA2            1
-#endif //end def  _WPA2_
-#define OUI_WPA					0x00F25000	//WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type
+#endif /* end def  _WPA2_ */
+#define OUI_WPA					0x00F25000	/* WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type */
 #ifdef _WPA2_
-#define OUI_WPA2				0x00AC0F00	// for wpa2 change to 0x00ACOF04 by Ws 26/04/04
-#endif //end def _WPA2_
+#define OUI_WPA2				0x00AC0F00	/* for wpa2 change to 0x00ACOF04 by Ws 26/04/04 */
+#endif /* end def _WPA2_ */
 
 #define OUI_WPA_ADDITIONAL		0x01
-#define WLAN_MIN_RSN_WPA_LENGTH                 6 //added by ws 09/10/04
+#define WLAN_MIN_RSN_WPA_LENGTH                 6 /* added by ws 09/10/04 */
 #ifdef _WPA2_
-#define WLAN_MIN_RSN_WPA2_LENGTH                2 // Fix to 2 09/14/05
-#endif //end def _WPA2_
+#define WLAN_MIN_RSN_WPA2_LENGTH                2 /* Fix to 2 09/14/05 */
+#endif /* end def _WPA2_ */
 
 #define oui_wpa                  (u32)(OUI_WPA|OUI_WPA_ADDITIONAL)
 
-#define WPA_OUI_BIG    ((u32) 0x01F25000)//added by ws 09/23/04
-#define WPA_OUI_LITTLE  ((u32) 0x01F25001)//added by ws 09/23/04
+#define WPA_OUI_BIG    ((u32) 0x01F25000)/* added by ws 09/23/04 */
+#define WPA_OUI_LITTLE  ((u32) 0x01F25001)/* added by ws 09/23/04 */
 
-#define WPA_WPS_OUI				cpu_to_le32(0x04F25000) // 20061108 For WPS. It's little endian. Big endian is 0x0050F204
+#define WPA_WPS_OUI				cpu_to_le32(0x04F25000) /* 20061108 For WPS. It's little endian. Big endian is 0x0050F204 */
 
-//-----WPA2-----
+/* -----WPA2----- */
 #ifdef _WPA2_
 #define WPA2_OUI_BIG    ((u32)0x01AC0F00)
 #define WPA2_OUI_LITTLE ((u32)0x01AC0F01)
-#endif //end def _WPA2_
+#endif /* end def _WPA2_ */
 
-//Authentication suite
-#define OUI_AUTH_WPA_NONE           0x00 //for WPA_NONE
+/* Authentication suite */
+#define OUI_AUTH_WPA_NONE           0x00 /* for WPA_NONE */
 #define OUI_AUTH_8021X				0x01
 #define OUI_AUTH_PSK				0x02
-//Cipher suite
-#define OUI_CIPHER_GROUP_KEY        0x00  //added by ws 05/21/04
+/* Cipher suite */
+#define OUI_CIPHER_GROUP_KEY        0x00  /* added by ws 05/21/04 */
 #define OUI_CIPHER_WEP_40			0x01
 #define OUI_CIPHER_TKIP				0x02
 #define OUI_CIPHER_CCMP				0x04
@@ -466,16 +466,16 @@ struct RSN_Auth_Sub_Information_Element
 	struct suite_selector	AuthKeyMngtSuite[1];
 }__attribute__ ((packed));
 
-//--  WPA2  --
+/* --  WPA2  -- */
 struct RSN_Capability_Element
 {
   union
   {
 	u16	__attribute__ ((packed))	wValue;
-    #ifdef _BIG_ENDIAN_	 //20060927 add by anson's endian
+    #ifdef _BIG_ENDIAN_	 /* 20060927 add by anson's endian */
     struct _RSN_Capability
     {
-    	u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
+    	u16   __attribute__ ((packed))  Reserved2 : 8; /* 20051201 */
 	u16   __attribute__ ((packed))  Reserved1 : 2;
 	u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
 	u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
@@ -490,7 +490,7 @@ struct RSN_Capability_Element
         u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
 	    u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
 	    u16   __attribute__ ((packed))  Reserved1 : 2;
-	    u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
+	    u16   __attribute__ ((packed))  Reserved2 : 8; /* 20051201 */
     }__attribute__ ((packed))  RSN_Capability;
     #endif
 
@@ -527,14 +527,14 @@ struct PMKID_Information_Element
 	struct pmkid pmkid[16];
 }__attribute__ ((packed));
 
-#endif //enddef _WPA2_
-//============================================================
+#endif /* enddef _WPA2_ */
+/*============================================================
 // MAC Frame structure (different type) and subfield structure
-//============================================================
+//============================================================*/
 struct MAC_frame_control
 {
-    u8    mac_frame_info; // a combination of the [Protocol Version, Control Type, Control Subtype]
-    #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian
+    u8    mac_frame_info; /* a combination of the [Protocol Version, Control Type, Control Subtype]*/
+    #ifdef _BIG_ENDIAN_ /* 20060927 add by anson's endian */
     u8    order:1;
     u8    WEP:1;
     u8    more_data:1;
@@ -556,19 +556,19 @@ struct MAC_frame_control
 } __attribute__ ((packed));
 
 struct Management_Frame {
-    struct MAC_frame_control frame_control; // 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0
+    struct MAC_frame_control frame_control; /* 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0 */
     u16		duration;
-    u8		DA[MAC_ADDR_LENGTH];			// Addr1
-    u8		SA[MAC_ADDR_LENGTH];			// Addr2
-    u8		BSSID[MAC_ADDR_LENGTH];			// Addr3
+    u8		DA[MAC_ADDR_LENGTH];			/* Addr1 */
+    u8		SA[MAC_ADDR_LENGTH];			/* Addr2 */
+    u8		BSSID[MAC_ADDR_LENGTH];			/* Addr3 */
     u16		Sequence_Control;
-    // Management Frame Body <= 325 bytes
-    // FCS 4 bytes
+    /* Management Frame Body <= 325 bytes */
+    /* FCS 4 bytes */
 }__attribute__ ((packed));
 
-// SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it.
+/* SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it. */
 struct Control_Frame {
-    struct MAC_frame_control frame_control; // ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0
+    struct MAC_frame_control frame_control; /* ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0 */
     u16		duration;
     u8		RA[MAC_ADDR_LENGTH];
     u8		TA[MAC_ADDR_LENGTH];
@@ -582,9 +582,9 @@ struct Data_Frame {
     u8		Addr2[MAC_ADDR_LENGTH];
     u8		Addr3[MAC_ADDR_LENGTH];
     u16		Sequence_Control;
-    u8		Addr4[MAC_ADDR_LENGTH]; // only exist when ToDS=FromDS=1
-    // Data Frame Body <= 2312
-    // FCS
+    u8		Addr4[MAC_ADDR_LENGTH]; /* only exist when ToDS=FromDS=1 */
+    /* Data Frame Body <= 2312 */
+    /* FCS */
 }__attribute__ ((packed));
 
 struct Disassociation_Frame_Body
@@ -596,9 +596,9 @@ struct Association_Request_Frame_Body
 {
     u16    capability_information;
     u16    listenInterval;
-    u8     Current_AP_Address[MAC_ADDR_LENGTH];//for reassociation only
-    // SSID (2+32 bytes)
-    // Supported_Rates (2+8 bytes)
+    u8     Current_AP_Address[MAC_ADDR_LENGTH];/* for reassociation only */
+    /*  SSID (2+32 bytes) */
+    /*  Supported_Rates (2+8 bytes) */
 }__attribute__ ((packed));
 
 struct Association_Response_Frame_Body
@@ -617,7 +617,7 @@ struct Association_Response_Frame_Body
     // SSID (2+32 bytes)
     // Supported_Rates (2+8 bytes)
 };*/
-// eliminated by WS 07/22/04 comboined with associateion request frame.
+/* eliminated by WS 07/22/04 comboined with associateion request frame. */
 
 struct Reassociation_Response_Frame_Body
 {
@@ -638,11 +638,11 @@ struct Probe_Response_Frame_Body
     u16    Timestamp;
     u16    Beacon_Interval;
     u16    Capability_Information;
-    // SSID
+    /* SSID
     // Supported_Rates
     // PHY parameter Set (DS Parameters)
     // CF parameter Set
-    // IBSS parameter Set
+    // IBSS parameter Set */
 }__attribute__ ((packed));
 
 struct Authentication_Frame_Body
@@ -650,11 +650,11 @@ struct Authentication_Frame_Body
     u16    algorithmNumber;
     u16    sequenceNumber;
     u16    statusCode;
-    // NB: don't include ChallengeText in this structure
-	// struct Challenge_Text_Element sChallengeTextElement; // wkchen added
+    /* NB: don't include ChallengeText in this structure
+	// struct Challenge_Text_Element sChallengeTextElement; // wkchen added */
 }__attribute__ ((packed));
 
 
-#endif // _MAC_Structure_H_
+#endif /* _MAC_Structure_H_ */
 
 

From d20279d7d45e3428b2202385e488ea57fbc4ab39 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sat, 20 Mar 2010 16:46:35 +0200
Subject: [PATCH 0978/3638] Staging: winbond: fix brace and space coding style
 issue in mac_structures.h

This is a patch to the mac_structures.h file that fixed up a brace and
space Errors found by the checkpatch.pl tool.

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mac_structures.h | 159 ++++++++++-------------
 1 file changed, 68 insertions(+), 91 deletions(-)

diff --git a/drivers/staging/winbond/mac_structures.h b/drivers/staging/winbond/mac_structures.h
index 80d7e4a8899..7441015cb18 100644
--- a/drivers/staging/winbond/mac_structures.h
+++ b/drivers/staging/winbond/mac_structures.h
@@ -180,8 +180,7 @@ enum enum_MMPDUResultCode
 //   Define the transmission constants based on W89C32 MAC
 //   target specification.
 //===========================================================*/
-typedef enum enum_TxRate
-{
+typedef enum enum_TxRate {
     TXRATE_1M               = 0,
     TXRATE_2MLONG           = 2,
     TXRATE_2MSHORT          = 3,
@@ -238,53 +237,48 @@ typedef enum enum_TxRate
 #define CAPABILITY_DSSS_OFDM_BIT		0x2000
 
 
-struct Capability_Information_Element
-{
-  union
-  {
-  	u16 __attribute__ ((packed)) wValue;
+struct Capability_Information_Element {
+  union {
+	u16 __attribute__ ((packed)) wValue;
     #ifdef _BIG_ENDIAN_  /* 20060926 add by anson's endian */
-    struct _Capability
-    {
-        /* --  11G  -- */
-	u8	Reserved3 : 2;
-	u8	DSSS_OFDM : 1;
-	u8	Reserved2 : 2;
-	u8	Short_Slot_Time : 1;
-	u8    Reserved1 : 2;
-	u8    Channel_Agility : 1;
-	u8    PBCC : 1;
-	u8    ShortPreamble : 1;
-	u8    CF_Privacy : 1;
-	u8    CF_Poll_Request : 1;
-	u8    CF_Pollable : 1;
-	u8    IBSS : 1;
-	u8    ESS : 1;
+    struct _Capability {
+	/* --  11G  -- */
+	u8	Reserved3:2;
+	u8	DSSS_OFDM:1;
+	u8	Reserved2:2;
+	u8	Short_Slot_Time:1;
+	u8    Reserved1:2;
+	u8    Channel_Agility:1;
+	u8    PBCC:1;
+	u8    ShortPreamble:1;
+	u8    CF_Privacy:1;
+	u8    CF_Poll_Request:1;
+	u8    CF_Pollable:1;
+	u8    IBSS:1;
+	u8    ESS:1;
     } __attribute__ ((packed)) Capability;
     #else
-    struct _Capability
-    {
-        u8    ESS : 1;
-        u8    IBSS : 1;
-        u8    CF_Pollable : 1;
-        u8    CF_Poll_Request : 1;
-        u8    CF_Privacy : 1;
-        u8    ShortPreamble : 1;
-        u8    PBCC : 1;
-        u8    Channel_Agility : 1;
-        u8    Reserved1 : 2;
+    struct _Capability {
+	u8    ESS:1;
+	u8    IBSS:1;
+	u8    CF_Pollable:1;
+	u8    CF_Poll_Request:1;
+	u8    CF_Privacy:1;
+	u8    ShortPreamble:1;
+	u8    PBCC:1;
+	u8    Channel_Agility:1;
+	u8    Reserved1:2;
 		/* --  11G  -- */
-		u8	Short_Slot_Time : 1;
-		u8	Reserved2 : 2;
-		u8	DSSS_OFDM : 1;
-		u8	Reserved3 : 2;
+		u8	Short_Slot_Time:1;
+		u8	Reserved2:2;
+		u8	DSSS_OFDM:1;
+		u8	Reserved3:2;
     } __attribute__ ((packed)) Capability;
     #endif
-  }__attribute__ ((packed)) ;
-}__attribute__ ((packed));
+  } __attribute__ ((packed)) ;
+} __attribute__ ((packed));
 
-struct FH_Parameter_Set_Element
-{
+struct FH_Parameter_Set_Element {
     u8    Element_ID;
     u8    Length;
     u8    Dwell_Time[2];
@@ -293,29 +287,25 @@ struct FH_Parameter_Set_Element
     u8    Hop_Index;
 };
 
-struct DS_Parameter_Set_Element
-{
+struct DS_Parameter_Set_Element {
     u8    Element_ID;
     u8    Length;
     u8    Current_Channel;
 };
 
-struct Supported_Rates_Element
-{
+struct Supported_Rates_Element {
     u8    Element_ID;
     u8    Length;
     u8    SupportedRates[8];
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
-struct SSID_Element
-{
+struct SSID_Element {
     u8    Element_ID;
     u8    Length;
     u8    SSID[32];
-}__attribute__ ((packed)) ;
+} __attribute__ ((packed)) ;
 
-struct CF_Parameter_Set_Element
-{
+struct CF_Parameter_Set_Element {
     u8    Element_ID;
     u8    Length;
     u8    CFP_Count;
@@ -324,8 +314,7 @@ struct CF_Parameter_Set_Element
     u8    CFP_DurRemaining[2];    /* in time units */
 };
 
-struct TIM_Element
-{
+struct TIM_Element {
     u8    Element_ID;
     u8    Length;
     u8    DTIM_Count;
@@ -334,22 +323,19 @@ struct TIM_Element
     u8    Partial_Virtual_Bitmap[251];
 };
 
-struct IBSS_Parameter_Set_Element
-{
+struct IBSS_Parameter_Set_Element {
     u8    Element_ID;
     u8    Length;
     u8    ATIM_Window[2];
 };
 
-struct Challenge_Text_Element
-{
+struct Challenge_Text_Element {
     u8    Element_ID;
     u8    Length;
     u8    Challenge_Text[253];
 };
 
-struct PHY_Parameter_Set_Element
-{
+struct PHY_Parameter_Set_Element {
 /*  int     aSlotTime; */
 /*  int     aSifsTime; */
     s32     aCCATime;
@@ -372,13 +358,12 @@ struct PHY_Parameter_Set_Element
 };
 
 /* --  11G  -- */
-struct ERP_Information_Element
-{
+struct ERP_Information_Element {
     u8	Element_ID;
     u8	Length;
     #ifdef _BIG_ENDIAN_ /* 20060926 add by anson's endian */
-    	u8	Reserved:5;   /* 20060926 add by anson */
-       u8	Barker_Preamble_Mode:1;
+	u8	Reserved:5;   /* 20060926 add by anson */
+	u8	Barker_Preamble_Mode:1;
 	u8	Use_Protection:1;
        u8	NonERP_Present:1;
     #else
@@ -389,12 +374,11 @@ struct ERP_Information_Element
     #endif
 };
 
-struct Extended_Supported_Rates_Element
-{
+struct Extended_Supported_Rates_Element {
     u8	Element_ID;
     u8	Length;
     u8	ExtendedSupportedRates[255];
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
 /* WPA(802.11i draft 3.0) */
 #define VERSION_WPA				1
@@ -564,7 +548,7 @@ struct Management_Frame {
     u16		Sequence_Control;
     /* Management Frame Body <= 325 bytes */
     /* FCS 4 bytes */
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
 /* SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it. */
 struct Control_Frame {
@@ -573,7 +557,7 @@ struct Control_Frame {
     u8		RA[MAC_ADDR_LENGTH];
     u8		TA[MAC_ADDR_LENGTH];
     u16		FCS;
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
 struct Data_Frame {
     struct MAC_frame_control frame_control;
@@ -585,29 +569,26 @@ struct Data_Frame {
     u8		Addr4[MAC_ADDR_LENGTH]; /* only exist when ToDS=FromDS=1 */
     /* Data Frame Body <= 2312 */
     /* FCS */
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
-struct Disassociation_Frame_Body
-{
+struct Disassociation_Frame_Body {
     u16    reasonCode;
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
-struct Association_Request_Frame_Body
-{
+struct Association_Request_Frame_Body {
     u16    capability_information;
     u16    listenInterval;
     u8     Current_AP_Address[MAC_ADDR_LENGTH];/* for reassociation only */
     /*  SSID (2+32 bytes) */
     /*  Supported_Rates (2+8 bytes) */
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
-struct Association_Response_Frame_Body
-{
+struct Association_Response_Frame_Body {
     u16    capability_information;
     u16    statusCode;
     u16    Association_ID;
     struct Supported_Rates_Element supportedRates;
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
 /*struct Reassociation_Request_Frame_Body
 {
@@ -619,22 +600,19 @@ struct Association_Response_Frame_Body
 };*/
 /* eliminated by WS 07/22/04 comboined with associateion request frame. */
 
-struct Reassociation_Response_Frame_Body
-{
+struct Reassociation_Response_Frame_Body {
     u16    capability_information;
     u16    statusCode;
     u16    Association_ID;
     struct Supported_Rates_Element supportedRates;
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
-struct Deauthentication_Frame_Body
-{
+struct Deauthentication_Frame_Body {
     u16    reasonCode;
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
 
-struct Probe_Response_Frame_Body
-{
+struct Probe_Response_Frame_Body {
     u16    Timestamp;
     u16    Beacon_Interval;
     u16    Capability_Information;
@@ -643,16 +621,15 @@ struct Probe_Response_Frame_Body
     // PHY parameter Set (DS Parameters)
     // CF parameter Set
     // IBSS parameter Set */
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
-struct Authentication_Frame_Body
-{
+struct Authentication_Frame_Body {
     u16    algorithmNumber;
     u16    sequenceNumber;
     u16    statusCode;
     /* NB: don't include ChallengeText in this structure
 	// struct Challenge_Text_Element sChallengeTextElement; // wkchen added */
-}__attribute__ ((packed));
+} __attribute__ ((packed));
 
 
 #endif /* _MAC_Structure_H_ */

From 152f1bc0517f95f6866046f00c7ef7aff1ca58cd Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sat, 20 Mar 2010 20:43:59 +0100
Subject: [PATCH 0979/3638] Staging: winbond: scan_s.h Coding style fixes.

I fixed all things reported by checkpatch.pl except a couple
of long lines and typedefs.
I also removed "commented away" code and a history comment.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/scan_s.h | 142 ++++++++++++++-----------------
 1 file changed, 66 insertions(+), 76 deletions(-)

diff --git a/drivers/staging/winbond/scan_s.h b/drivers/staging/winbond/scan_s.h
index 209717f5d47..85e7523196d 100644
--- a/drivers/staging/winbond/scan_s.h
+++ b/drivers/staging/winbond/scan_s.h
@@ -4,117 +4,107 @@
 #include <linux/types.h>
 #include "localpara.h"
 
-//
-// SCAN task global CONSTANTS, STRUCTURES, variables
-//
+/*
+ * SCAN task global CONSTANTS, STRUCTURES, variables
+ */
 
-//////////////////////////////////////////////////////////////////////////
-//define the msg type of SCAN module
-#define SCANMSG_SCAN_REQ			0x01
-#define SCANMSG_BEACON				0x02
+/* define the msg type of SCAN module */
+#define SCANMSG_SCAN_REQ		0x01
+#define SCANMSG_BEACON			0x02
 #define SCANMSG_PROBE_RESPONSE		0x03
-#define SCANMSG_TIMEOUT				0x04
+#define SCANMSG_TIMEOUT			0x04
 #define SCANMSG_TXPROBE_FAIL		0x05
 #define SCANMSG_ENABLE_BGSCAN		0x06
-#define SCANMSG_STOP_SCAN			0x07
+#define SCANMSG_STOP_SCAN		0x07
 
-// BSS Type =>conform to
-// IBSS             : ToDS/FromDS = 00
-// Infrastructure   : ToDS/FromDS = 01
+/*
+ * BSS Type =>conform to
+ * IBSS             : ToDS/FromDS = 00
+ * Infrastructure   : ToDS/FromDS = 01
+ */
 #define IBSS_NET			0
 #define ESS_NET				1
 #define ANYBSS_NET			2
 
-// Scan Type
+/* Scan Type */
 #define ACTIVE_SCAN			0
-#define PASSIVE_SCAN		1
+#define PASSIVE_SCAN			1
 
-///////////////////////////////////////////////////////////////////////////
-//Global data structures, Initial Scan & Background Scan
-typedef struct _SCAN_REQ_PARA	//mandatory parameters for SCAN request
-{
-	u32				ScanType;			//passive/active scan
+/* Global data structures, Initial Scan & Background Scan */
+typedef struct _SCAN_REQ_PARA {	/* mandatory parameters for SCAN request */
+
+	u32			ScanType;	/* passive/active scan */
 
 	u8			reserved_1[2];
 
-	struct SSID_Element	sSSID; // 34B. scan only for this SSID
+	struct SSID_Element	sSSID; /* 34B. scan only for this SSID */
 	u8			reserved_2[2];
 
 } SCAN_REQ_PARA, *psSCAN_REQ_PARA;
 
-typedef struct _SCAN_PARAMETERS
-{
-	u16				wState;
-	u16				iCurrentChannelIndex;
+typedef struct _SCAN_PARAMETERS {
+	u16		wState;
+	u16		iCurrentChannelIndex;
 
 	SCAN_REQ_PARA	sScanReq;
 
-	u8				BSSID[MAC_ADDR_LENGTH + 2];		//scan only for this BSSID
+	u8		BSSID[MAC_ADDR_LENGTH + 2]; /* scan only for this BSSID */
 
-	u32				BssType;						//scan only for this BSS type
+	u32		BssType;	/* scan only for this BSS type */
 
-	//struct SSID_Element	sSSID;						//scan only for this SSID
-	u16				ProbeDelay;
-	u16				MinChannelTime;
+	u16		ProbeDelay;
+	u16		MinChannelTime;
 
-	u16				MaxChannelTime;
-	u16				reserved_1;
+	u16		MaxChannelTime;
+	u16		reserved_1;
 
-    s32				iBgScanPeriod;				// XP: 5 sec
+	s32		iBgScanPeriod;	/* XP: 5 sec */
 
-    u8				boBgScan;					// Wb: enable BG scan, For XP, this value must be FALSE
-    u8				boFastScan;					// Wb: reserved
-	u8				boCCAbusy;					// Wb: HWMAC CCA busy status
-	u8				reserved_2;
+	u8		boBgScan;	/* Wb: enable BG scan, For XP, this value must be FALSE */
+	u8		boFastScan;	/* Wb: reserved */
+	u8		boCCAbusy;	/* Wb: HWMAC CCA busy status */
+	u8		reserved_2;
 
 	struct timer_list timer;
 
-	u32				ScanTimeStamp;			//Increase 1 per background scan(1 minute)
-	u32				BssTimeStamp;			//Increase 1 per connect status check
-	u32				RxNumPerAntenna[2];		//
+	u32		ScanTimeStamp;	/* Increase 1 per background scan(1 minute) */
+	u32		BssTimeStamp;	/* Increase 1 per connect status check */
+	u32		RxNumPerAntenna[2];
 
-	u8				AntennaToggle;			//
-	u8				boInTimerHandler;
-	u8 				boTimerActive;				// Wb: reserved
-	u8				boSave;
-
-	u32				BScanEnable; // Background scan enable. Default is On
+	u8		AntennaToggle;
+	u8		boInTimerHandler;
+	u8		boTimerActive;	/* Wb: reserved */
+	u8		boSave;
 
+	u32		BScanEnable; /* Background scan enable. Default is On */
 } SCAN_PARAMETERS, *psSCAN_PARAMETERS;
 
-// Encapsulate 'adapter' data structure
-#define psSCAN			(&(adapter->sScanPara))
-#define psSCANREQ			(&(adapter->sScanPara.sScanReq))
+/* Encapsulate 'adapter' data structure */
+#define psSCAN		(&(adapter->sScanPara))
+#define psSCANREQ	(&(adapter->sScanPara.sScanReq))
 
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-//	scan.h
-//		Define the related definitions of scan module
-//	history -- 01/14/03' created
-//
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+/*
+ * ===========================================================
+ *	scan.h
+ *		Define the related definitions of scan module
+ *
+ * ===========================================================
+ */
 
-//Define the state of scan module
-#define SCAN_INACTIVE						0
-#define WAIT_PROBE_DELAY					1
-#define WAIT_RESPONSE_MIN					2
-#define WAIT_RESPONSE_MAX_ACTIVE			3
-#define WAIT_BEACON_MAX_PASSIVE				4
-#define SCAN_COMPLETE						5
-#define BG_SCAN								6
-#define BG_SCANNING							7
+/* Define the state of scan module */
+#define SCAN_INACTIVE			0
+#define WAIT_PROBE_DELAY		1
+#define WAIT_RESPONSE_MIN		2
+#define WAIT_RESPONSE_MAX_ACTIVE	3
+#define WAIT_BEACON_MAX_PASSIVE		4
+#define SCAN_COMPLETE			5
+#define BG_SCAN				6
+#define BG_SCANNING			7
 
 
-// The value will load from EEPROM
-// If 0xff is set in EEPOM, the driver will use SCAN_MAX_CHNL_TIME instead.
-// The definition is in WbHal.h
-//	#define SCAN_MAX_CHNL_TIME				(50)
-
-
-
-// static functions
-
-//static void ScanTimerHandler(struct wbsoft_priv * adapter);
-//static void vScanTimerStart(struct wbsoft_priv *	adapter, int timeout_value);
-//static void vScanTimerStop(struct wbsoft_priv * adapter);
-
+/*
+ * The value will load from EEPROM
+ * If 0xff is set in EEPOM, the driver will use SCAN_MAX_CHNL_TIME instead.
+ * The definition is in WbHal.h
+ */
 #endif

From fa6896f2c5416c773f7c6f13bb7db140f8208c71 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 21 Mar 2010 17:50:42 +0100
Subject: [PATCH 0980/3638] Staging: winbond: reg.c Coding style fixes

I fixed all problems reported by checkpatch.pl except some
(a lot of) long lines and some printk:s.
I removed "commented away" code and version comments.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/reg.c | 3937 +++++++++++++++------------------
 1 file changed, 1823 insertions(+), 2114 deletions(-)

diff --git a/drivers/staging/winbond/reg.c b/drivers/staging/winbond/reg.c
index 5f5048af26a..d9a8128b21f 100644
--- a/drivers/staging/winbond/reg.c
+++ b/drivers/staging/winbond/reg.c
@@ -1,514 +1,452 @@
 #include "sysdef.h"
 #include "wbhal_f.h"
 
-///////////////////////////////////////////////////////////////////////////////////////////////////
-// Original Phy.h
-//*****************************************************************************
-
-/*****************************************************************************
-; For MAXIM2825/6/7 Ver. 331 or more
-; Edited by Tiger, Sep-17-2003
-; revised by Ben, Sep-18-2003
-
-0x00 0x000a2
-0x01 0x21cc0
-;0x02 0x13802
-0x02 0x1383a
-
-;channe1 01 ; 0x03 0x30142 ; 0x04 0x0b333;
-;channe1 02 ;0x03 0x32141 ;0x04 0x08444;
-;channe1 03 ;0x03 0x32143 ;0x04 0x0aeee;
-;channe1 04 ;0x03 0x32142 ;0x04 0x0b333;
-;channe1 05 ;0x03 0x31141 ;0x04 0x08444;
-;channe1 06 ;
-0x03 0x31143;
-0x04 0x0aeee;
-;channe1 07 ;0x03 0x31142 ;0x04 0x0b333;
-;channe1 08 ;0x03 0x33141 ;0x04 0x08444;
-;channe1 09 ;0x03 0x33143 ;0x04 0x0aeee;
-;channe1 10 ;0x03 0x33142 ;0x04 0x0b333;
-;channe1 11 ;0x03 0x30941 ;0x04 0x08444;
-;channe1 12 ;0x03 0x30943 ;0x04 0x0aeee;
-;channe1 13 ;0x03 0x30942 ;0x04 0x0b333;
-
-0x05 0x28986
-0x06 0x18008
-0x07 0x38400
-0x08 0x05100; 100 Hz DC
-;0x08 0x05900; 30 KHz DC
-0x09 0x24f08
-0x0a 0x17e00, 0x17ea0
-0x0b 0x37d80
-0x0c 0x0c900 // 0x0ca00 (lager power 9db than 0x0c000), 0x0c000
-*****************************************************************************/
-// MAX2825 (pure b/g)
-u32 max2825_rf_data[] =
-{
-    (0x00<<18)|0x000a2,
-    (0x01<<18)|0x21cc0,
-    (0x02<<18)|0x13806,
-    (0x03<<18)|0x30142,
-    (0x04<<18)|0x0b333,
-    (0x05<<18)|0x289A6,
-    (0x06<<18)|0x18008,
-    (0x07<<18)|0x38000,
-    (0x08<<18)|0x05100,
-    (0x09<<18)|0x24f08,
-    (0x0A<<18)|0x14000,
-    (0x0B<<18)|0x37d80,
-    (0x0C<<18)|0x0c100   // 11a: 0x0c300, 11g: 0x0c100
-};
-
-u32 max2825_channel_data_24[][3] =
-{
-    {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01
-    {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02
-    {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03
-    {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04
-    {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05
-    {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06
-    {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07
-    {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08
-    {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09
-    {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10
-    {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11
-    {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12
-    {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13
-    {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6} // 14 (2484MHz) hhmodify
-};
-
-u32 max2825_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
-
-/****************************************************************************/
-// MAX2827 (a/b/g)
-u32 max2827_rf_data[] =
-{
-    (0x00<<18)|0x000a2,
-    (0x01<<18)|0x21cc0,
-    (0x02<<18)|0x13806,
-    (0x03<<18)|0x30142,
-    (0x04<<18)|0x0b333,
-    (0x05<<18)|0x289A6,
-    (0x06<<18)|0x18008,
-    (0x07<<18)|0x38000,
-    (0x08<<18)|0x05100,
-    (0x09<<18)|0x24f08,
-    (0x0A<<18)|0x14000,
-    (0x0B<<18)|0x37d80,
-    (0x0C<<18)|0x0c100   // 11a: 0x0c300, 11g: 0x0c100
-};
-
-u32 max2827_channel_data_24[][3] =
-{
-    {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01
-    {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02
-    {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03
-    {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04
-    {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05
-    {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06
-    {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07
-    {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08
-    {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09
-    {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10
-    {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11
-    {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12
-    {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13
-    {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6}  // 14 (2484MHz) hhmodify
-};
-
-u32 max2827_channel_data_50[][3] =
-{
-    {(0x03<<18)|0x33cc3, (0x04<<18)|0x08ccc, (0x05<<18)|0x2A9A6}, // channel 36
-    {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x2A9A6}, // channel 40
-    {(0x03<<18)|0x302c2, (0x04<<18)|0x0b333, (0x05<<18)|0x2A9A6}, // channel 44
-    {(0x03<<18)|0x322c1, (0x04<<18)|0x09999, (0x05<<18)|0x2A9A6}, // channel 48
-    {(0x03<<18)|0x312c1, (0x04<<18)|0x0a666, (0x05<<18)|0x2A9A6}, // channel 52
-    {(0x03<<18)|0x332c3, (0x04<<18)|0x08ccc, (0x05<<18)|0x2A9A6}, // channel 56
-    {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x2A9A6}, // channel 60
-    {(0x03<<18)|0x30ac2, (0x04<<18)|0x0b333, (0x05<<18)|0x2A9A6} // channel 64
-};
-
-u32 max2827_power_data_24[] = {(0x0C<<18)|0x0C000, (0x0C<<18)|0x0D600, (0x0C<<18)|0x0C100};
-u32 max2827_power_data_50[] = {(0x0C<<18)|0x0C400, (0x0C<<18)|0x0D500, (0x0C<<18)|0x0C300};
-
-/****************************************************************************/
-// MAX2828 (a/b/g)
-u32 max2828_rf_data[] =
-{
-    (0x00<<18)|0x000a2,
-    (0x01<<18)|0x21cc0,
-    (0x02<<18)|0x13806,
-    (0x03<<18)|0x30142,
-    (0x04<<18)|0x0b333,
-    (0x05<<18)|0x289A6,
-    (0x06<<18)|0x18008,
-    (0x07<<18)|0x38000,
-    (0x08<<18)|0x05100,
-    (0x09<<18)|0x24f08,
-    (0x0A<<18)|0x14000,
-    (0x0B<<18)|0x37d80,
-    (0x0C<<18)|0x0c100   // 11a: 0x0c300, 11g: 0x0c100
-};
-
-u32 max2828_channel_data_24[][3] =
-{
-    {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01
-    {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02
-    {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03
-    {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04
-    {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05
-    {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06
-    {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07
-    {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08
-    {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09
-    {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10
-    {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11
-    {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12
-    {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13
-    {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6}  // 14 (2484MHz) hhmodify
-};
-
-u32 max2828_channel_data_50[][3] =
-{
-    {(0x03<<18)|0x33cc3, (0x04<<18)|0x08ccc, (0x05<<18)|0x289A6}, // channel 36
-    {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x289A6}, // channel 40
-    {(0x03<<18)|0x302c2, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channel 44
-    {(0x03<<18)|0x322c1, (0x04<<18)|0x09999, (0x05<<18)|0x289A6}, // channel 48
-    {(0x03<<18)|0x312c1, (0x04<<18)|0x0a666, (0x05<<18)|0x289A6}, // channel 52
-    {(0x03<<18)|0x332c3, (0x04<<18)|0x08ccc, (0x05<<18)|0x289A6}, // channel 56
-    {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x289A6}, // channel 60
-    {(0x03<<18)|0x30ac2, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6} // channel 64
-};
-
-u32 max2828_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
-u32 max2828_power_data_50[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
-
-/****************************************************************************/
-// LA20040728 kevin
-// MAX2829 (a/b/g)
-u32 max2829_rf_data[] =
-{
-    (0x00<<18)|0x000a2,
-    (0x01<<18)|0x23520,
-    (0x02<<18)|0x13802,
-    (0x03<<18)|0x30142,
-    (0x04<<18)|0x0b333,
-    (0x05<<18)|0x28906,
-    (0x06<<18)|0x18008,
-    (0x07<<18)|0x3B500,
-    (0x08<<18)|0x05100,
-    (0x09<<18)|0x24f08,
-    (0x0A<<18)|0x14000,
-    (0x0B<<18)|0x37d80,
-    (0x0C<<18)|0x0F300 //TXVGA=51, (MAX-6 dB)
-};
-
-u32 max2829_channel_data_24[][3] =
-{
-    {(3<<18)|0x30142, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 01 (2412MHz)
-    {(3<<18)|0x32141, (4<<18)|0x08444, (5<<18)|0x289C6},  // 02 (2417MHz)
-    {(3<<18)|0x32143, (4<<18)|0x0aeee, (5<<18)|0x289C6},  // 03 (2422MHz)
-    {(3<<18)|0x32142, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 04 (2427MHz)
-    {(3<<18)|0x31141, (4<<18)|0x08444, (5<<18)|0x289C6},  // 05 (2432MHz)
-    {(3<<18)|0x31143, (4<<18)|0x0aeee, (5<<18)|0x289C6},  // 06 (2437MHz)
-    {(3<<18)|0x31142, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 07 (2442MHz)
-    {(3<<18)|0x33141, (4<<18)|0x08444, (5<<18)|0x289C6},  // 08 (2447MHz)
-    {(3<<18)|0x33143, (4<<18)|0x0aeee, (5<<18)|0x289C6},  // 09 (2452MHz)
-    {(3<<18)|0x33142, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 10 (2457MHz)
-    {(3<<18)|0x30941, (4<<18)|0x08444, (5<<18)|0x289C6},  // 11 (2462MHz)
-    {(3<<18)|0x30943, (4<<18)|0x0aeee, (5<<18)|0x289C6},  // 12 (2467MHz)
-    {(3<<18)|0x30942, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 13 (2472MHz)
-    {(3<<18)|0x32941, (4<<18)|0x09999, (5<<18)|0x289C6},  // 14 (2484MHz) hh-modify
-};
-
-u32 max2829_channel_data_50[][4] =
-{
-     {36, (3<<18)|0x33cc3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 36 (5.180GHz)
-     {40, (3<<18)|0x302c0, (4<<18)|0x08000, (5<<18)|0x2A946}, // 40 (5.200GHz)
-     {44, (3<<18)|0x302c2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 44 (5.220GHz)
-     {48, (3<<18)|0x322c1, (4<<18)|0x09999, (5<<18)|0x2A946}, // 48 (5.240GHz)
-     {52, (3<<18)|0x312c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, // 52 (5.260GHz)
-     {56, (3<<18)|0x332c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 56 (5.280GHz)
-     {60, (3<<18)|0x30ac0, (4<<18)|0x08000, (5<<18)|0x2A946}, // 60 (5.300GHz)
-     {64, (3<<18)|0x30ac2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 64 (5.320GHz)
-
-    {100, (3<<18)|0x30ec0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 100 (5.500GHz)
-    {104, (3<<18)|0x30ec2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 104 (5.520GHz)
-    {108, (3<<18)|0x32ec1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 108 (5.540GHz)
-    {112, (3<<18)|0x31ec1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 112 (5.560GHz)
-    {116, (3<<18)|0x33ec3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 116 (5.580GHz)
-    {120, (3<<18)|0x301c0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 120 (5.600GHz)
-    {124, (3<<18)|0x301c2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 124 (5.620GHz)
-    {128, (3<<18)|0x321c1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 128 (5.640GHz)
-    {132, (3<<18)|0x311c1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 132 (5.660GHz)
-    {136, (3<<18)|0x331c3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 136 (5.680GHz)
-    {140, (3<<18)|0x309c0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 140 (5.700GHz)
-
-    {149, (3<<18)|0x329c2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 149 (5.745GHz)
-    {153, (3<<18)|0x319c1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 153 (5.765GHz)
-    {157, (3<<18)|0x339c1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 157 (5.785GHz)
-    {161, (3<<18)|0x305c3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 161 (5.805GHz)
-
-    // Japan
-    { 184, (3<<18)|0x308c2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 184 (4.920GHz)
-    { 188, (3<<18)|0x328c1, (4<<18)|0x09999, (5<<18)|0x2A946}, // 188 (4.940GHz)
-    { 192, (3<<18)|0x318c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, // 192 (4.960GHz)
-    { 196, (3<<18)|0x338c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 196 (4.980GHz)
-    {   8, (3<<18)|0x324c1, (4<<18)|0x09999, (5<<18)|0x2A946}, //   8 (5.040GHz)
-    {  12, (3<<18)|0x314c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, //  12 (5.060GHz)
-    {  16, (3<<18)|0x334c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, //  16 (5.080GHz)
-    {  34, (3<<18)|0x31cc2, (4<<18)|0x0b333, (5<<18)|0x2A946}, //  34 (5.170GHz)
-    {  38, (3<<18)|0x33cc1, (4<<18)|0x09999, (5<<18)|0x2A946}, //  38 (5.190GHz)
-    {  42, (3<<18)|0x302c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, //  42 (5.210GHz)
-    {  46, (3<<18)|0x322c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, //  46 (5.230GHz)
-};
-
-/*****************************************************************************
-; For MAXIM2825/6/7 Ver. 317 or less
-; Edited by Tiger, Sep-17-2003  for 2.4Ghz channels
-; Updated by Tiger, Sep-22-2003 for 5.0Ghz channels
-; Corrected by Tiger, Sep-23-2003, for 0x03 and 0x04 of 5.0Ghz channels
-
-0x00 0x00080
-0x01 0x214c0
-0x02 0x13802
-
-;2.4GHz Channels
-;channe1 01 (2.412GHz); 0x03 0x30143 ;0x04 0x0accc
-;channe1 02 (2.417GHz); 0x03 0x32140 ;0x04 0x09111
-;channe1 03 (2.422GHz); 0x03 0x32142 ;0x04 0x0bbbb
-;channe1 04 (2.427GHz); 0x03 0x32143 ;0x04 0x0accc
-;channe1 05 (2.432GHz); 0x03 0x31140 ;0x04 0x09111
-;channe1 06 (2.437GHz); 0x03 0x31142 ;0x04 0x0bbbb
-;channe1 07 (2.442GHz); 0x03 0x31143 ;0x04 0x0accc
-;channe1 08 (2.447GHz); 0x03 0x33140 ;0x04 0x09111
-;channe1 09 (2.452GHz); 0x03 0x33142 ;0x04 0x0bbbb
-;channe1 10 (2.457GHz); 0x03 0x33143 ;0x04 0x0accc
-;channe1 11 (2.462GHz); 0x03 0x30940 ;0x04 0x09111
-;channe1 12 (2.467GHz); 0x03 0x30942 ;0x04 0x0bbbb
-;channe1 13 (2.472GHz); 0x03 0x30943 ;0x04 0x0accc
-
-;5.0Ghz Channels
-;channel 36 (5.180GHz); 0x03 0x33cc0 ;0x04 0x0b333
-;channel 40 (5.200GHz); 0x03 0x302c0 ;0x04 0x08000
-;channel 44 (5.220GHz); 0x03 0x302c2 ;0x04 0x0b333
-;channel 48 (5.240GHz); 0x03 0x322c1 ;0x04 0x09999
-;channel 52 (5.260GHz); 0x03 0x312c1 ;0x04 0x0a666
-;channel 56 (5.280GHz); 0x03 0x332c3 ;0x04 0x08ccc
-;channel 60 (5.300GHz); 0x03 0x30ac0 ;0x04 0x08000
-;channel 64 (5.320GHz); 0x03 0x30ac2 ;0x04 0x08333
-
-;2.4GHz band ;0x05 0x28986;
-;5.0GHz band
-0x05 0x2a986
-
-0x06 0x18008
-0x07 0x38400
-0x08 0x05108
-0x09 0x27ff8
-0x0a 0x14000
-0x0b 0x37f99
-0x0c 0x0c000
-*****************************************************************************/
-u32 maxim_317_rf_data[]     =
-{
-    (0x00<<18)|0x000a2,
-    (0x01<<18)|0x214c0,
-    (0x02<<18)|0x13802,
-    (0x03<<18)|0x30143,
-    (0x04<<18)|0x0accc,
-    (0x05<<18)|0x28986,
-    (0x06<<18)|0x18008,
-    (0x07<<18)|0x38400,
-    (0x08<<18)|0x05108,
-    (0x09<<18)|0x27ff8,
-    (0x0A<<18)|0x14000,
-    (0x0B<<18)|0x37f99,
-    (0x0C<<18)|0x0c000
-};
-
-u32 maxim_317_channel_data_24[][3]    =
-{
-    {(0x03<<18)|0x30143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 01
-    {(0x03<<18)|0x32140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 02
-    {(0x03<<18)|0x32142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 03
-    {(0x03<<18)|0x32143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 04
-    {(0x03<<18)|0x31140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 05
-    {(0x03<<18)|0x31142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 06
-    {(0x03<<18)|0x31143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 07
-    {(0x03<<18)|0x33140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 08
-    {(0x03<<18)|0x33142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 09
-    {(0x03<<18)|0x33143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 10
-    {(0x03<<18)|0x30940, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 11
-    {(0x03<<18)|0x30942, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 12
-    {(0x03<<18)|0x30943, (0x04<<18)|0x0accc, (0x05<<18)|0x28986} // channe1 13
-};
-
-u32 maxim_317_channel_data_50[][3]    =
-{
-    {(0x03<<18)|0x33cc0, (0x04<<18)|0x0b333, (0x05<<18)|0x2a986}, // channel 36
-    {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x2a986}, // channel 40
-    {(0x03<<18)|0x302c3, (0x04<<18)|0x0accc, (0x05<<18)|0x2a986}, // channel 44
-    {(0x03<<18)|0x322c1, (0x04<<18)|0x09666, (0x05<<18)|0x2a986}, // channel 48
-    {(0x03<<18)|0x312c2, (0x04<<18)|0x09999, (0x05<<18)|0x2a986}, // channel 52
-    {(0x03<<18)|0x332c0, (0x04<<18)|0x0b333, (0x05<<18)|0x2a99e}, // channel 56
-    {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x2a99e}, // channel 60
-    {(0x03<<18)|0x30ac3, (0x04<<18)|0x0accc, (0x05<<18)|0x2a99e} // channel 64
-};
-
-u32 maxim_317_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
-u32 maxim_317_power_data_50[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
-
-/*****************************************************************************
-;;AL2230 MP (Mass Production Version)
-;;RF Registers Setting for Airoha AL2230 silicon after June 1st, 2004
-;;Updated by Tiger Huang (June 1st, 2004)
-;;20-bit length and LSB first
-
-;;Ch01 (2412MHz) ;0x00 0x09EFC ;0x01 0x8CCCC;
-;;Ch02 (2417MHz) ;0x00 0x09EFC ;0x01 0x8CCCD;
-;;Ch03 (2422MHz) ;0x00 0x09E7C ;0x01 0x8CCCC;
-;;Ch04 (2427MHz) ;0x00 0x09E7C ;0x01 0x8CCCD;
-;;Ch05 (2432MHz) ;0x00 0x05EFC ;0x01 0x8CCCC;
-;;Ch06 (2437MHz) ;0x00 0x05EFC ;0x01 0x8CCCD;
-;;Ch07 (2442MHz) ;0x00 0x05E7C ;0x01 0x8CCCC;
-;;Ch08 (2447MHz) ;0x00 0x05E7C ;0x01 0x8CCCD;
-;;Ch09 (2452MHz) ;0x00 0x0DEFC ;0x01 0x8CCCC;
-;;Ch10 (2457MHz) ;0x00 0x0DEFC ;0x01 0x8CCCD;
-;;Ch11 (2462MHz) ;0x00 0x0DE7C ;0x01 0x8CCCC;
-;;Ch12 (2467MHz) ;0x00 0x0DE7C ;0x01 0x8CCCD;
-;;Ch13 (2472MHz) ;0x00 0x03EFC ;0x01 0x8CCCC;
-;;Ch14 (2484Mhz) ;0x00 0x03E7C ;0x01 0x86666;
-
-0x02 0x401D8; RXDCOC BW 100Hz for RXHP low
-;;0x02 0x481DC; RXDCOC BW 30Khz for RXHP low
-
-0x03 0xCFFF0
-0x04 0x23800
-0x05 0xA3B72
-0x06 0x6DA01
-0x07 0xE1688
-0x08 0x11600
-0x09 0x99E02
-0x0A 0x5DDB0
-0x0B 0xD9900
-0x0C 0x3FFBD
-0x0D 0xB0000
-0x0F 0xF00A0
-
-;RF Calibration for Airoha AL2230
-;Edit by Ben Chang (01/30/04)
-;Updated by Tiger Huang (03/03/04)
-0x0f 0xf00a0 ; Initial Setting
-0x0f 0xf00b0 ; Activate TX DCC
-0x0f 0xf02a0 ; Activate Phase Calibration
-0x0f 0xf00e0 ; Activate Filter RC Calibration
-0x0f 0xf00a0 ; Restore Initial Setting
-*****************************************************************************/
-
-u32 al2230_rf_data[]     =
-{
-    (0x00<<20)|0x09EFC,
-    (0x01<<20)|0x8CCCC,
-    (0x02<<20)|0x40058,// 20060627 Anson 0x401D8,
-    (0x03<<20)|0xCFFF0,
-    (0x04<<20)|0x24100,// 20060627 Anson 0x23800,
-    (0x05<<20)|0xA3B2F,// 20060627 Anson 0xA3B72
-    (0x06<<20)|0x6DA01,
-    (0x07<<20)|0xE3628,// 20060627 Anson 0xE1688,
-    (0x08<<20)|0x11600,
-    (0x09<<20)|0x9DC02,// 20060627 Anosn 0x97602,//0x99E02, //0x9AE02
-    (0x0A<<20)|0x5ddb0, // 941206 For QCOM interference 0x588b0,//0x5DDB0, 940601 adj 0x5aa30 for bluetooth
-    (0x0B<<20)|0xD9900,
-    (0x0C<<20)|0x3FFBD,
-    (0x0D<<20)|0xB0000,
-    (0x0F<<20)|0xF01A0 // 20060627 Anson 0xF00A0
-};
-
-u32 al2230s_rf_data[]     =
-{
-    (0x00<<20)|0x09EFC,
-    (0x01<<20)|0x8CCCC,
-    (0x02<<20)|0x40058,// 20060419 0x401D8,
-    (0x03<<20)|0xCFFF0,
-    (0x04<<20)|0x24100,// 20060419 0x23800,
-    (0x05<<20)|0xA3B2F,// 20060419 0xA3B72,
-    (0x06<<20)|0x6DA01,
-    (0x07<<20)|0xE3628,// 20060419 0xE1688,
-    (0x08<<20)|0x11600,
-    (0x09<<20)|0x9DC02,// 20060419 0x97602,//0x99E02, //0x9AE02
-    (0x0A<<20)|0x5DDB0,// 941206 For QCOM interference 0x588b0,//0x5DDB0, 940601 adj 0x5aa30 for bluetooth
-    (0x0B<<20)|0xD9900,
-    (0x0C<<20)|0x3FFBD,
-    (0x0D<<20)|0xB0000,
-    (0x0F<<20)|0xF01A0 // 20060419 0xF00A0
-};
-
-u32 al2230_channel_data_24[][2] =
-{
-    {(0x00<<20)|0x09EFC, (0x01<<20)|0x8CCCC}, // channe1 01
-    {(0x00<<20)|0x09EFC, (0x01<<20)|0x8CCCD}, // channe1 02
-    {(0x00<<20)|0x09E7C, (0x01<<20)|0x8CCCC}, // channe1 03
-    {(0x00<<20)|0x09E7C, (0x01<<20)|0x8CCCD}, // channe1 04
-    {(0x00<<20)|0x05EFC, (0x01<<20)|0x8CCCC}, // channe1 05
-    {(0x00<<20)|0x05EFC, (0x01<<20)|0x8CCCD}, // channe1 06
-    {(0x00<<20)|0x05E7C, (0x01<<20)|0x8CCCC}, // channe1 07
-    {(0x00<<20)|0x05E7C, (0x01<<20)|0x8CCCD}, // channe1 08
-    {(0x00<<20)|0x0DEFC, (0x01<<20)|0x8CCCC}, // channe1 09
-    {(0x00<<20)|0x0DEFC, (0x01<<20)|0x8CCCD}, // channe1 10
-    {(0x00<<20)|0x0DE7C, (0x01<<20)|0x8CCCC}, // channe1 11
-    {(0x00<<20)|0x0DE7C, (0x01<<20)|0x8CCCD}, // channe1 12
-    {(0x00<<20)|0x03EFC, (0x01<<20)|0x8CCCC}, // channe1 13
-    {(0x00<<20)|0x03E7C, (0x01<<20)|0x86666} // channe1 14
-};
-
-// Current setting. u32 airoha_power_data_24[] = {(0x09<<20)|0x90202, (0x09<<20)|0x96602, (0x09<<20)|0x97602};
-#define AIROHA_TXVGA_LOW_INDEX		31		// Index for 0x90202
-#define AIROHA_TXVGA_MIDDLE_INDEX	12		// Index for 0x96602
-#define AIROHA_TXVGA_HIGH_INDEX		8		// Index for 0x97602 1.0.24.0 1.0.28.0
 /*
-u32 airoha_power_data_24[] =
-{
-    0x9FE02,          // Max - 0 dB
-    0x9BE02,          // Max - 1 dB
-    0x9DE02,          // Max - 2 dB
-    0x99E02,          // Max - 3 dB
-    0x9EE02,          // Max - 4 dB
-    0x9AE02,          // Max - 5 dB
-    0x9CE02,          // Max - 6 dB
-    0x98E02,          // Max - 7 dB
-    0x97602,          // Max - 8 dB
-    0x93602,          // Max - 9 dB
-    0x95602,          // Max - 10 dB
-    0x91602,          // Max - 11 dB
-    0x96602,          // Max - 12 dB
-    0x92602,          // Max - 13 dB
-    0x94602,          // Max - 14 dB
-    0x90602,          // Max - 15 dB
-    0x97A02,          // Max - 16 dB
-    0x93A02,          // Max - 17 dB
-    0x95A02,          // Max - 18 dB
-    0x91A02,          // Max - 19 dB
-    0x96A02,          // Max - 20 dB
-    0x92A02,          // Max - 21 dB
-    0x94A02,          // Max - 22 dB
-    0x90A02,          // Max - 23 dB
-    0x97202,          // Max - 24 dB
-    0x93202,          // Max - 25 dB
-    0x95202,          // Max - 26 dB
-    0x91202,          // Max - 27 dB
-    0x96202,          // Max - 28 dB
-    0x92202,          // Max - 29 dB
-    0x94202,          // Max - 30 dB
-    0x90202           // Max - 31 dB
-};
-*/
+ * ====================================================
+ * Original Phy.h
+ * ====================================================
+ */
 
-// 20040927 1.1.69.1000 ybjiang
-// from John
-u32 al2230_txvga_data[][2] =
-{
-	//value	, index
+/*
+ * ====================================================
+ * For MAXIM2825/6/7 Ver. 331 or more
+ *
+ * 0x00 0x000a2
+ * 0x01 0x21cc0
+ * 0x02 0x13802
+ * 0x02 0x1383a
+ *
+ * channe1 01 ; 0x03 0x30142 ; 0x04 0x0b333;
+ * channe1 02 ; 0x03 0x32141 ; 0x04 0x08444;
+ * channe1 03 ; 0x03 0x32143 ; 0x04 0x0aeee;
+ * channe1 04 ; 0x03 0x32142 ; 0x04 0x0b333;
+ * channe1 05 ; 0x03 0x31141 ; 0x04 0x08444;
+ * channe1 06 ; 0x03 0x31143 ; 0x04 0x0aeee;
+ * channe1 07 ; 0x03 0x31142 ; 0x04 0x0b333;
+ * channe1 08 ; 0x03 0x33141 ; 0x04 0x08444;
+ * channe1 09 ; 0x03 0x33143 ; 0x04 0x0aeee;
+ * channe1 10 ; 0x03 0x33142 ; 0x04 0x0b333;
+ * channe1 11 ; 0x03 0x30941 ; 0x04 0x08444;
+ * channe1 12 ; 0x03 0x30943 ; 0x04 0x0aeee;
+ * channe1 13 ; 0x03 0x30942 ; 0x04 0x0b333;
+ *
+ * 0x05 0x28986
+ * 0x06 0x18008
+ * 0x07 0x38400
+ * 0x08 0x05100; 100 Hz DC
+ * 0x08 0x05900; 30 KHz DC
+ * 0x09 0x24f08
+ * 0x0a 0x17e00, 0x17ea0
+ * 0x0b 0x37d80
+ * 0x0c 0x0c900  --  0x0ca00 (lager power 9db than 0x0c000), 0x0c000
+ */
+
+/* MAX2825 (pure b/g) */
+u32 max2825_rf_data[] = {
+	(0x00<<18) | 0x000a2,
+	(0x01<<18) | 0x21cc0,
+	(0x02<<18) | 0x13806,
+	(0x03<<18) | 0x30142,
+	(0x04<<18) | 0x0b333,
+	(0x05<<18) | 0x289A6,
+	(0x06<<18) | 0x18008,
+	(0x07<<18) | 0x38000,
+	(0x08<<18) | 0x05100,
+	(0x09<<18) | 0x24f08,
+	(0x0A<<18) | 0x14000,
+	(0x0B<<18) | 0x37d80,
+	(0x0C<<18) | 0x0c100   /* 11a: 0x0c300, 11g: 0x0c100 */
+};
+
+u32 max2825_channel_data_24[][3] = {
+	{(0x03 << 18) | 0x30142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channel 01 */
+	{(0x03 << 18) | 0x32141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channel 02 */
+	{(0x03 << 18) | 0x32143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channel 03 */
+	{(0x03 << 18) | 0x32142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channel 04 */
+	{(0x03 << 18) | 0x31141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channel 05 */
+	{(0x03 << 18) | 0x31143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channel 06 */
+	{(0x03 << 18) | 0x31142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channel 07 */
+	{(0x03 << 18) | 0x33141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channel 08 */
+	{(0x03 << 18) | 0x33143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channel 09 */
+	{(0x03 << 18) | 0x33142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channel 10 */
+	{(0x03 << 18) | 0x30941, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channel 11 */
+	{(0x03 << 18) | 0x30943, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channel 12 */
+	{(0x03 << 18) | 0x30942, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channel 13 */
+	{(0x03 << 18) | 0x32941, (0x04 << 18) | 0x09999, (0x05 << 18) | 0x289A6}  /* channel 14 (2484MHz) */
+};
+
+u32 max2825_power_data_24[] = {(0x0C << 18) | 0x0c000, (0x0C << 18) | 0x0c100};
+
+/* ========================================== */
+/* MAX2827 (a/b/g) */
+u32 max2827_rf_data[] = {
+	(0x00 << 18) | 0x000a2,
+	(0x01 << 18) | 0x21cc0,
+	(0x02 << 18) | 0x13806,
+	(0x03 << 18) | 0x30142,
+	(0x04 << 18) | 0x0b333,
+	(0x05 << 18) | 0x289A6,
+	(0x06 << 18) | 0x18008,
+	(0x07 << 18) | 0x38000,
+	(0x08 << 18) | 0x05100,
+	(0x09 << 18) | 0x24f08,
+	(0x0A << 18) | 0x14000,
+	(0x0B << 18) | 0x37d80,
+	(0x0C << 18) | 0x0c100   /* 11a: 0x0c300, 11g: 0x0c100 */
+};
+
+u32 max2827_channel_data_24[][3] = {
+	{(0x03 << 18) | 0x30142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 01 */
+	{(0x03 << 18) | 0x32141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channe1 02 */
+	{(0x03 << 18) | 0x32143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channe1 03 */
+	{(0x03 << 18) | 0x32142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 04 */
+	{(0x03 << 18) | 0x31141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channe1 05 */
+	{(0x03 << 18) | 0x31143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channe1 06 */
+	{(0x03 << 18) | 0x31142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 07 */
+	{(0x03 << 18) | 0x33141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channe1 08 */
+	{(0x03 << 18) | 0x33143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channe1 09 */
+	{(0x03 << 18) | 0x33142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 10 */
+	{(0x03 << 18) | 0x30941, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channe1 11 */
+	{(0x03 << 18) | 0x30943, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channe1 12 */
+	{(0x03 << 18) | 0x30942, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 13 */
+	{(0x03 << 18) | 0x32941, (0x04 << 18) | 0x09999, (0x05 << 18) | 0x289A6}  /* channel 14 (2484MHz) */
+};
+
+u32 max2827_channel_data_50[][3] = {
+	{(0x03 << 18) | 0x33cc3, (0x04 << 18) | 0x08ccc, (0x05 << 18) | 0x2A9A6}, /* channel 36 */
+	{(0x03 << 18) | 0x302c0, (0x04 << 18) | 0x08000, (0x05 << 18) | 0x2A9A6}, /* channel 40 */
+	{(0x03 << 18) | 0x302c2, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x2A9A6}, /* channel 44 */
+	{(0x03 << 18) | 0x322c1, (0x04 << 18) | 0x09999, (0x05 << 18) | 0x2A9A6}, /* channel 48 */
+	{(0x03 << 18) | 0x312c1, (0x04 << 18) | 0x0a666, (0x05 << 18) | 0x2A9A6}, /* channel 52 */
+	{(0x03 << 18) | 0x332c3, (0x04 << 18) | 0x08ccc, (0x05 << 18) | 0x2A9A6}, /* channel 56 */
+	{(0x03 << 18) | 0x30ac0, (0x04 << 18) | 0x08000, (0x05 << 18) | 0x2A9A6}, /* channel 60 */
+	{(0x03 << 18) | 0x30ac2, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x2A9A6}  /* channel 64 */
+};
+
+u32 max2827_power_data_24[] = {(0x0C << 18) | 0x0C000, (0x0C << 18) | 0x0D600, (0x0C << 18) | 0x0C100};
+u32 max2827_power_data_50[] = {(0x0C << 18) | 0x0C400, (0x0C << 18) | 0x0D500, (0x0C << 18) | 0x0C300};
+
+/* ======================================================= */
+/* MAX2828 (a/b/g) */
+u32 max2828_rf_data[] = {
+	(0x00 << 18) | 0x000a2,
+	(0x01 << 18) | 0x21cc0,
+	(0x02 << 18) | 0x13806,
+	(0x03 << 18) | 0x30142,
+	(0x04 << 18) | 0x0b333,
+	(0x05 << 18) | 0x289A6,
+	(0x06 << 18) | 0x18008,
+	(0x07 << 18) | 0x38000,
+	(0x08 << 18) | 0x05100,
+	(0x09 << 18) | 0x24f08,
+	(0x0A << 18) | 0x14000,
+	(0x0B << 18) | 0x37d80,
+	(0x0C << 18) | 0x0c100   /* 11a: 0x0c300, 11g: 0x0c100 */
+};
+
+u32 max2828_channel_data_24[][3] = {
+	{(0x03 << 18) | 0x30142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 01 */
+	{(0x03 << 18) | 0x32141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channe1 02 */
+	{(0x03 << 18) | 0x32143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channe1 03 */
+	{(0x03 << 18) | 0x32142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 04 */
+	{(0x03 << 18) | 0x31141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channe1 05 */
+	{(0x03 << 18) | 0x31143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channe1 06 */
+	{(0x03 << 18) | 0x31142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 07 */
+	{(0x03 << 18) | 0x33141, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channe1 08 */
+	{(0x03 << 18) | 0x33143, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channe1 09 */
+	{(0x03 << 18) | 0x33142, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 10 */
+	{(0x03 << 18) | 0x30941, (0x04 << 18) | 0x08444, (0x05 << 18) | 0x289A6}, /* channe1 11 */
+	{(0x03 << 18) | 0x30943, (0x04 << 18) | 0x0aeee, (0x05 << 18) | 0x289A6}, /* channe1 12 */
+	{(0x03 << 18) | 0x30942, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channe1 13 */
+	{(0x03 << 18) | 0x32941, (0x04 << 18) | 0x09999, (0x05 << 18) | 0x289A6}  /* channel 14 (2484MHz) */
+};
+
+u32 max2828_channel_data_50[][3] = {
+	{(0x03 << 18) | 0x33cc3, (0x04 << 18) | 0x08ccc, (0x05 << 18) | 0x289A6}, /* channel 36 */
+	{(0x03 << 18) | 0x302c0, (0x04 << 18) | 0x08000, (0x05 << 18) | 0x289A6}, /* channel 40 */
+	{(0x03 << 18) | 0x302c2, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}, /* channel 44 */
+	{(0x03 << 18) | 0x322c1, (0x04 << 18) | 0x09999, (0x05 << 18) | 0x289A6}, /* channel 48 */
+	{(0x03 << 18) | 0x312c1, (0x04 << 18) | 0x0a666, (0x05 << 18) | 0x289A6}, /* channel 52 */
+	{(0x03 << 18) | 0x332c3, (0x04 << 18) | 0x08ccc, (0x05 << 18) | 0x289A6}, /* channel 56 */
+	{(0x03 << 18) | 0x30ac0, (0x04 << 18) | 0x08000, (0x05 << 18) | 0x289A6}, /* channel 60 */
+	{(0x03 << 18) | 0x30ac2, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x289A6}  /* channel 64 */
+};
+
+u32 max2828_power_data_24[] = {(0x0C << 18) | 0x0c000, (0x0C << 18) | 0x0c100};
+u32 max2828_power_data_50[] = {(0x0C << 18) | 0x0c000, (0x0C << 18) | 0x0c100};
+
+/* ========================================================== */
+/* MAX2829 (a/b/g) */
+u32 max2829_rf_data[] = {
+	(0x00 << 18) | 0x000a2,
+	(0x01 << 18) | 0x23520,
+	(0x02 << 18) | 0x13802,
+	(0x03 << 18) | 0x30142,
+	(0x04 << 18) | 0x0b333,
+	(0x05 << 18) | 0x28906,
+	(0x06 << 18) | 0x18008,
+	(0x07 << 18) | 0x3B500,
+	(0x08 << 18) | 0x05100,
+	(0x09 << 18) | 0x24f08,
+	(0x0A << 18) | 0x14000,
+	(0x0B << 18) | 0x37d80,
+	(0x0C << 18) | 0x0F300 /* TXVGA=51, (MAX-6 dB) */
+};
+
+u32 max2829_channel_data_24[][3] = {
+	{(3 << 18) | 0x30142, (4 << 18) | 0x0b333, (5 << 18) | 0x289C6},  /* 01 (2412MHz) */
+	{(3 << 18) | 0x32141, (4 << 18) | 0x08444, (5 << 18) | 0x289C6},  /* 02 (2417MHz) */
+	{(3 << 18) | 0x32143, (4 << 18) | 0x0aeee, (5 << 18) | 0x289C6},  /* 03 (2422MHz) */
+	{(3 << 18) | 0x32142, (4 << 18) | 0x0b333, (5 << 18) | 0x289C6},  /* 04 (2427MHz) */
+	{(3 << 18) | 0x31141, (4 << 18) | 0x08444, (5 << 18) | 0x289C6},  /* 05 (2432MHz) */
+	{(3 << 18) | 0x31143, (4 << 18) | 0x0aeee, (5 << 18) | 0x289C6},  /* 06 (2437MHz) */
+	{(3 << 18) | 0x31142, (4 << 18) | 0x0b333, (5 << 18) | 0x289C6},  /* 07 (2442MHz) */
+	{(3 << 18) | 0x33141, (4 << 18) | 0x08444, (5 << 18) | 0x289C6},  /* 08 (2447MHz) */
+	{(3 << 18) | 0x33143, (4 << 18) | 0x0aeee, (5 << 18) | 0x289C6},  /* 09 (2452MHz) */
+	{(3 << 18) | 0x33142, (4 << 18) | 0x0b333, (5 << 18) | 0x289C6},  /* 10 (2457MHz) */
+	{(3 << 18) | 0x30941, (4 << 18) | 0x08444, (5 << 18) | 0x289C6},  /* 11 (2462MHz) */
+	{(3 << 18) | 0x30943, (4 << 18) | 0x0aeee, (5 << 18) | 0x289C6},  /* 12 (2467MHz) */
+	{(3 << 18) | 0x30942, (4 << 18) | 0x0b333, (5 << 18) | 0x289C6},  /* 13 (2472MHz) */
+	{(3 << 18) | 0x32941, (4 << 18) | 0x09999, (5 << 18) | 0x289C6},  /* 14 (2484MHz) */
+};
+
+u32 max2829_channel_data_50[][4] = {
+	{36, (3 << 18) | 0x33cc3, (4 << 18) | 0x08ccc, (5 << 18) | 0x2A946}, /* 36 (5.180GHz) */
+	{40, (3 << 18) | 0x302c0, (4 << 18) | 0x08000, (5 << 18) | 0x2A946}, /* 40 (5.200GHz) */
+	{44, (3 << 18) | 0x302c2, (4 << 18) | 0x0b333, (5 << 18) | 0x2A946}, /* 44 (5.220GHz) */
+	{48, (3 << 18) | 0x322c1, (4 << 18) | 0x09999, (5 << 18) | 0x2A946}, /* 48 (5.240GHz) */
+	{52, (3 << 18) | 0x312c1, (4 << 18) | 0x0a666, (5 << 18) | 0x2A946}, /* 52 (5.260GHz) */
+	{56, (3 << 18) | 0x332c3, (4 << 18) | 0x08ccc, (5 << 18) | 0x2A946}, /* 56 (5.280GHz) */
+	{60, (3 << 18) | 0x30ac0, (4 << 18) | 0x08000, (5 << 18) | 0x2A946}, /* 60 (5.300GHz) */
+	{64, (3 << 18) | 0x30ac2, (4 << 18) | 0x0b333, (5 << 18) | 0x2A946}, /* 64 (5.320GHz) */
+
+	{100, (3 << 18) | 0x30ec0, (4 << 18) | 0x08000, (5 << 18) | 0x2A9C6}, /* 100 (5.500GHz) */
+	{104, (3 << 18) | 0x30ec2, (4 << 18) | 0x0b333, (5 << 18) | 0x2A9C6}, /* 104 (5.520GHz) */
+	{108, (3 << 18) | 0x32ec1, (4 << 18) | 0x09999, (5 << 18) | 0x2A9C6}, /* 108 (5.540GHz) */
+	{112, (3 << 18) | 0x31ec1, (4 << 18) | 0x0a666, (5 << 18) | 0x2A9C6}, /* 112 (5.560GHz) */
+	{116, (3 << 18) | 0x33ec3, (4 << 18) | 0x08ccc, (5 << 18) | 0x2A9C6}, /* 116 (5.580GHz) */
+	{120, (3 << 18) | 0x301c0, (4 << 18) | 0x08000, (5 << 18) | 0x2A9C6}, /* 120 (5.600GHz) */
+	{124, (3 << 18) | 0x301c2, (4 << 18) | 0x0b333, (5 << 18) | 0x2A9C6}, /* 124 (5.620GHz) */
+	{128, (3 << 18) | 0x321c1, (4 << 18) | 0x09999, (5 << 18) | 0x2A9C6}, /* 128 (5.640GHz) */
+	{132, (3 << 18) | 0x311c1, (4 << 18) | 0x0a666, (5 << 18) | 0x2A9C6}, /* 132 (5.660GHz) */
+	{136, (3 << 18) | 0x331c3, (4 << 18) | 0x08ccc, (5 << 18) | 0x2A9C6}, /* 136 (5.680GHz) */
+	{140, (3 << 18) | 0x309c0, (4 << 18) | 0x08000, (5 << 18) | 0x2A9C6}, /* 140 (5.700GHz) */
+
+	{149, (3 << 18) | 0x329c2, (4 << 18) | 0x0b333, (5 << 18) | 0x2A9C6}, /* 149 (5.745GHz) */
+	{153, (3 << 18) | 0x319c1, (4 << 18) | 0x09999, (5 << 18) | 0x2A9C6}, /* 153 (5.765GHz) */
+	{157, (3 << 18) | 0x339c1, (4 << 18) | 0x0a666, (5 << 18) | 0x2A9C6}, /* 157 (5.785GHz) */
+	{161, (3 << 18) | 0x305c3, (4 << 18) | 0x08ccc, (5 << 18) | 0x2A9C6}, /* 161 (5.805GHz) */
+
+	/* Japan */
+	{ 184, (3 << 18) | 0x308c2, (4 << 18) | 0x0b333, (5 << 18) | 0x2A946}, /* 184 (4.920GHz) */
+	{ 188, (3 << 18) | 0x328c1, (4 << 18) | 0x09999, (5 << 18) | 0x2A946}, /* 188 (4.940GHz) */
+	{ 192, (3 << 18) | 0x318c1, (4 << 18) | 0x0a666, (5 << 18) | 0x2A946}, /* 192 (4.960GHz) */
+	{ 196, (3 << 18) | 0x338c3, (4 << 18) | 0x08ccc, (5 << 18) | 0x2A946}, /* 196 (4.980GHz) */
+	{   8, (3 << 18) | 0x324c1, (4 << 18) | 0x09999, (5 << 18) | 0x2A946}, /*   8 (5.040GHz) */
+	{  12, (3 << 18) | 0x314c1, (4 << 18) | 0x0a666, (5 << 18) | 0x2A946}, /*  12 (5.060GHz) */
+	{  16, (3 << 18) | 0x334c3, (4 << 18) | 0x08ccc, (5 << 18) | 0x2A946}, /*  16 (5.080GHz) */
+	{  34, (3 << 18) | 0x31cc2, (4 << 18) | 0x0b333, (5 << 18) | 0x2A946}, /*  34 (5.170GHz) */
+	{  38, (3 << 18) | 0x33cc1, (4 << 18) | 0x09999, (5 << 18) | 0x2A946}, /*  38 (5.190GHz) */
+	{  42, (3 << 18) | 0x302c1, (4 << 18) | 0x0a666, (5 << 18) | 0x2A946}, /*  42 (5.210GHz) */
+	{  46, (3 << 18) | 0x322c3, (4 << 18) | 0x08ccc, (5 << 18) | 0x2A946}, /*  46 (5.230GHz) */
+};
+
+/*
+ * ====================================================================
+ * For MAXIM2825/6/7 Ver. 317 or less
+ *
+ * 0x00 0x00080
+ * 0x01 0x214c0
+ * 0x02 0x13802
+ *
+ * 2.4GHz Channels
+ * channe1 01 (2.412GHz); 0x03 0x30143 ;0x04 0x0accc
+ * channe1 02 (2.417GHz); 0x03 0x32140 ;0x04 0x09111
+ * channe1 03 (2.422GHz); 0x03 0x32142 ;0x04 0x0bbbb
+ * channe1 04 (2.427GHz); 0x03 0x32143 ;0x04 0x0accc
+ * channe1 05 (2.432GHz); 0x03 0x31140 ;0x04 0x09111
+ * channe1 06 (2.437GHz); 0x03 0x31142 ;0x04 0x0bbbb
+ * channe1 07 (2.442GHz); 0x03 0x31143 ;0x04 0x0accc
+ * channe1 08 (2.447GHz); 0x03 0x33140 ;0x04 0x09111
+ * channe1 09 (2.452GHz); 0x03 0x33142 ;0x04 0x0bbbb
+ * channe1 10 (2.457GHz); 0x03 0x33143 ;0x04 0x0accc
+ * channe1 11 (2.462GHz); 0x03 0x30940 ;0x04 0x09111
+ * channe1 12 (2.467GHz); 0x03 0x30942 ;0x04 0x0bbbb
+ * channe1 13 (2.472GHz); 0x03 0x30943 ;0x04 0x0accc
+ *
+ * 5.0Ghz Channels
+ * channel 36 (5.180GHz); 0x03 0x33cc0 ;0x04 0x0b333
+ * channel 40 (5.200GHz); 0x03 0x302c0 ;0x04 0x08000
+ * channel 44 (5.220GHz); 0x03 0x302c2 ;0x04 0x0b333
+ * channel 48 (5.240GHz); 0x03 0x322c1 ;0x04 0x09999
+ * channel 52 (5.260GHz); 0x03 0x312c1 ;0x04 0x0a666
+ * channel 56 (5.280GHz); 0x03 0x332c3 ;0x04 0x08ccc
+ * channel 60 (5.300GHz); 0x03 0x30ac0 ;0x04 0x08000
+ * channel 64 (5.320GHz); 0x03 0x30ac2 ;0x04 0x08333
+ *
+ * 2.4GHz band ; 0x05 0x28986;
+ * 5.0GHz band ; 0x05 0x2a986
+ * 0x06 0x18008
+ * 0x07 0x38400
+ * 0x08 0x05108
+ * 0x09 0x27ff8
+ * 0x0a 0x14000
+ * 0x0b 0x37f99
+ * 0x0c 0x0c000
+ * ====================================================================
+ */
+u32 maxim_317_rf_data[] = {
+	(0x00 << 18) | 0x000a2,
+	(0x01 << 18) | 0x214c0,
+	(0x02 << 18) | 0x13802,
+	(0x03 << 18) | 0x30143,
+	(0x04 << 18) | 0x0accc,
+	(0x05 << 18) | 0x28986,
+	(0x06 << 18) | 0x18008,
+	(0x07 << 18) | 0x38400,
+	(0x08 << 18) | 0x05108,
+	(0x09 << 18) | 0x27ff8,
+	(0x0A << 18) | 0x14000,
+	(0x0B << 18) | 0x37f99,
+	(0x0C << 18) | 0x0c000
+};
+
+u32 maxim_317_channel_data_24[][3] = {
+	{(0x03 << 18) | 0x30143, (0x04 << 18) | 0x0accc, (0x05 << 18) | 0x28986}, /* channe1 01 */
+	{(0x03 << 18) | 0x32140, (0x04 << 18) | 0x09111, (0x05 << 18) | 0x28986}, /* channe1 02 */
+	{(0x03 << 18) | 0x32142, (0x04 << 18) | 0x0bbbb, (0x05 << 18) | 0x28986}, /* channe1 03 */
+	{(0x03 << 18) | 0x32143, (0x04 << 18) | 0x0accc, (0x05 << 18) | 0x28986}, /* channe1 04 */
+	{(0x03 << 18) | 0x31140, (0x04 << 18) | 0x09111, (0x05 << 18) | 0x28986}, /* channe1 05 */
+	{(0x03 << 18) | 0x31142, (0x04 << 18) | 0x0bbbb, (0x05 << 18) | 0x28986}, /* channe1 06 */
+	{(0x03 << 18) | 0x31143, (0x04 << 18) | 0x0accc, (0x05 << 18) | 0x28986}, /* channe1 07 */
+	{(0x03 << 18) | 0x33140, (0x04 << 18) | 0x09111, (0x05 << 18) | 0x28986}, /* channe1 08 */
+	{(0x03 << 18) | 0x33142, (0x04 << 18) | 0x0bbbb, (0x05 << 18) | 0x28986}, /* channe1 09 */
+	{(0x03 << 18) | 0x33143, (0x04 << 18) | 0x0accc, (0x05 << 18) | 0x28986}, /* channe1 10 */
+	{(0x03 << 18) | 0x30940, (0x04 << 18) | 0x09111, (0x05 << 18) | 0x28986}, /* channe1 11 */
+	{(0x03 << 18) | 0x30942, (0x04 << 18) | 0x0bbbb, (0x05 << 18) | 0x28986}, /* channe1 12 */
+	{(0x03 << 18) | 0x30943, (0x04 << 18) | 0x0accc, (0x05 << 18) | 0x28986}  /* channe1 13 */
+};
+
+u32 maxim_317_channel_data_50[][3] = {
+	{(0x03 << 18) | 0x33cc0, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x2a986}, /* channel 36 */
+	{(0x03 << 18) | 0x302c0, (0x04 << 18) | 0x08000, (0x05 << 18) | 0x2a986}, /* channel 40 */
+	{(0x03 << 18) | 0x302c3, (0x04 << 18) | 0x0accc, (0x05 << 18) | 0x2a986}, /* channel 44 */
+	{(0x03 << 18) | 0x322c1, (0x04 << 18) | 0x09666, (0x05 << 18) | 0x2a986}, /* channel 48 */
+	{(0x03 << 18) | 0x312c2, (0x04 << 18) | 0x09999, (0x05 << 18) | 0x2a986}, /* channel 52 */
+	{(0x03 << 18) | 0x332c0, (0x04 << 18) | 0x0b333, (0x05 << 18) | 0x2a99e}, /* channel 56 */
+	{(0x03 << 18) | 0x30ac0, (0x04 << 18) | 0x08000, (0x05 << 18) | 0x2a99e}, /* channel 60 */
+	{(0x03 << 18) | 0x30ac3, (0x04 << 18) | 0x0accc, (0x05 << 18) | 0x2a99e}  /* channel 64 */
+};
+
+u32 maxim_317_power_data_24[] = {(0x0C << 18) | 0x0c000, (0x0C << 18) | 0x0c100};
+u32 maxim_317_power_data_50[] = {(0x0C << 18) | 0x0c000, (0x0C << 18) | 0x0c100};
+
+/*
+ * ===================================================================
+ * AL2230 MP (Mass Production Version)
+ * RF Registers Setting for Airoha AL2230 silicon after June 1st, 2004
+ * 20-bit length and LSB first
+ *
+ * Ch01 (2412MHz) ;0x00 0x09EFC ;0x01 0x8CCCC;
+ * Ch02 (2417MHz) ;0x00 0x09EFC ;0x01 0x8CCCD;
+ * Ch03 (2422MHz) ;0x00 0x09E7C ;0x01 0x8CCCC;
+ * Ch04 (2427MHz) ;0x00 0x09E7C ;0x01 0x8CCCD;
+ * Ch05 (2432MHz) ;0x00 0x05EFC ;0x01 0x8CCCC;
+ * Ch06 (2437MHz) ;0x00 0x05EFC ;0x01 0x8CCCD;
+ * Ch07 (2442MHz) ;0x00 0x05E7C ;0x01 0x8CCCC;
+ * Ch08 (2447MHz) ;0x00 0x05E7C ;0x01 0x8CCCD;
+ * Ch09 (2452MHz) ;0x00 0x0DEFC ;0x01 0x8CCCC;
+ * Ch10 (2457MHz) ;0x00 0x0DEFC ;0x01 0x8CCCD;
+ * Ch11 (2462MHz) ;0x00 0x0DE7C ;0x01 0x8CCCC;
+ * Ch12 (2467MHz) ;0x00 0x0DE7C ;0x01 0x8CCCD;
+ * Ch13 (2472MHz) ;0x00 0x03EFC ;0x01 0x8CCCC;
+ * Ch14 (2484Mhz) ;0x00 0x03E7C ;0x01 0x86666;
+ *
+ * 0x02 0x401D8; RXDCOC BW 100Hz for RXHP low
+ * 0x02 0x481DC; RXDCOC BW 30Khz for RXHP low
+ *
+ * 0x03 0xCFFF0
+ * 0x04 0x23800
+ * 0x05 0xA3B72
+ * 0x06 0x6DA01
+ * 0x07 0xE1688
+ * 0x08 0x11600
+ * 0x09 0x99E02
+ * 0x0A 0x5DDB0
+ * 0x0B 0xD9900
+ * 0x0C 0x3FFBD
+ * 0x0D 0xB0000
+ * 0x0F 0xF00A0
+ *
+ * RF Calibration for Airoha AL2230
+ *
+ * 0x0f 0xf00a0 ; Initial Setting
+ * 0x0f 0xf00b0 ; Activate TX DCC
+ * 0x0f 0xf02a0 ; Activate Phase Calibration
+ * 0x0f 0xf00e0 ; Activate Filter RC Calibration
+ * 0x0f 0xf00a0 ; Restore Initial Setting
+ * ==================================================================
+ */
+u32 al2230_rf_data[] = {
+	(0x00 << 20) | 0x09EFC,
+	(0x01 << 20) | 0x8CCCC,
+	(0x02 << 20) | 0x40058,
+	(0x03 << 20) | 0xCFFF0,
+	(0x04 << 20) | 0x24100,
+	(0x05 << 20) | 0xA3B2F,
+	(0x06 << 20) | 0x6DA01,
+	(0x07 << 20) | 0xE3628,
+	(0x08 << 20) | 0x11600,
+	(0x09 << 20) | 0x9DC02,
+	(0x0A << 20) | 0x5ddb0,
+	(0x0B << 20) | 0xD9900,
+	(0x0C << 20) | 0x3FFBD,
+	(0x0D << 20) | 0xB0000,
+	(0x0F << 20) | 0xF01A0
+};
+
+u32 al2230s_rf_data[] = {
+	(0x00 << 20) | 0x09EFC,
+	(0x01 << 20) | 0x8CCCC,
+	(0x02 << 20) | 0x40058,
+	(0x03 << 20) | 0xCFFF0,
+	(0x04 << 20) | 0x24100,
+	(0x05 << 20) | 0xA3B2F,
+	(0x06 << 20) | 0x6DA01,
+	(0x07 << 20) | 0xE3628,
+	(0x08 << 20) | 0x11600,
+	(0x09 << 20) | 0x9DC02,
+	(0x0A << 20) | 0x5DDB0,
+	(0x0B << 20) | 0xD9900,
+	(0x0C << 20) | 0x3FFBD,
+	(0x0D << 20) | 0xB0000,
+	(0x0F << 20) | 0xF01A0
+};
+
+u32 al2230_channel_data_24[][2] = {
+	{(0x00 << 20) | 0x09EFC, (0x01 << 20) | 0x8CCCC}, /* channe1 01 */
+	{(0x00 << 20) | 0x09EFC, (0x01 << 20) | 0x8CCCD}, /* channe1 02 */
+	{(0x00 << 20) | 0x09E7C, (0x01 << 20) | 0x8CCCC}, /* channe1 03 */
+	{(0x00 << 20) | 0x09E7C, (0x01 << 20) | 0x8CCCD}, /* channe1 04 */
+	{(0x00 << 20) | 0x05EFC, (0x01 << 20) | 0x8CCCC}, /* channe1 05 */
+	{(0x00 << 20) | 0x05EFC, (0x01 << 20) | 0x8CCCD}, /* channe1 06 */
+	{(0x00 << 20) | 0x05E7C, (0x01 << 20) | 0x8CCCC}, /* channe1 07 */
+	{(0x00 << 20) | 0x05E7C, (0x01 << 20) | 0x8CCCD}, /* channe1 08 */
+	{(0x00 << 20) | 0x0DEFC, (0x01 << 20) | 0x8CCCC}, /* channe1 09 */
+	{(0x00 << 20) | 0x0DEFC, (0x01 << 20) | 0x8CCCD}, /* channe1 10 */
+	{(0x00 << 20) | 0x0DE7C, (0x01 << 20) | 0x8CCCC}, /* channe1 11 */
+	{(0x00 << 20) | 0x0DE7C, (0x01 << 20) | 0x8CCCD}, /* channe1 12 */
+	{(0x00 << 20) | 0x03EFC, (0x01 << 20) | 0x8CCCC}, /* channe1 13 */
+	{(0x00 << 20) | 0x03E7C, (0x01 << 20) | 0x86666}  /* channe1 14 */
+};
+
+/* Current setting. u32 airoha_power_data_24[] = {(0x09 << 20) | 0x90202, (0x09 << 20) | 0x96602, (0x09 << 20) | 0x97602}; */
+#define AIROHA_TXVGA_LOW_INDEX		31	/* Index for 0x90202 */
+#define AIROHA_TXVGA_MIDDLE_INDEX	12	/* Index for 0x96602 */
+#define AIROHA_TXVGA_HIGH_INDEX		8	/* Index for 0x97602 1.0.24.0 1.0.28.0 */
+
+u32 al2230_txvga_data[][2] = {
+	/* value , index */
 	{0x090202, 0},
 	{0x094202, 2},
 	{0x092202, 4},
@@ -551,263 +489,242 @@ u32 al2230_txvga_data[][2] =
 	{0x09FE02, 63}
 };
 
-//--------------------------------
-// For Airoha AL7230, 2.4Ghz band
-// Edit by Tiger, (March, 9, 2005)
-// 24bit, MSB first
+/*
+ * ==========================================
+ * For Airoha AL7230, 2.4Ghz band
+ * 24bit, MSB first
+ */
 
-//channel independent registers:
-u32 al7230_rf_data_24[]	=
-{
-	(0x00<<24)|0x003790,
-	(0x01<<24)|0x133331,
-	(0x02<<24)|0x841FF2,
-	(0x03<<24)|0x3FDFA3,
-	(0x04<<24)|0x7FD784,
-	(0x05<<24)|0x802B55,
-	(0x06<<24)|0x56AF36,
-	(0x07<<24)|0xCE0207,
-	(0x08<<24)|0x6EBC08,
-	(0x09<<24)|0x221BB9,
-	(0x0A<<24)|0xE0000A,
-	(0x0B<<24)|0x08071B,
-	(0x0C<<24)|0x000A3C,
-	(0x0D<<24)|0xFFFFFD,
-	(0x0E<<24)|0x00000E,
-	(0x0F<<24)|0x1ABA8F
+/* channel independent registers: */
+u32 al7230_rf_data_24[]	= {
+	(0x00 << 24) | 0x003790,
+	(0x01 << 24) | 0x133331,
+	(0x02 << 24) | 0x841FF2,
+	(0x03 << 24) | 0x3FDFA3,
+	(0x04 << 24) | 0x7FD784,
+	(0x05 << 24) | 0x802B55,
+	(0x06 << 24) | 0x56AF36,
+	(0x07 << 24) | 0xCE0207,
+	(0x08 << 24) | 0x6EBC08,
+	(0x09 << 24) | 0x221BB9,
+	(0x0A << 24) | 0xE0000A,
+	(0x0B << 24) | 0x08071B,
+	(0x0C << 24) | 0x000A3C,
+	(0x0D << 24) | 0xFFFFFD,
+	(0x0E << 24) | 0x00000E,
+	(0x0F << 24) | 0x1ABA8F
 };
 
-u32 al7230_channel_data_24[][2] =
-{
-    {(0x00<<24)|0x003790, (0x01<<24)|0x133331}, // channe1 01
-    {(0x00<<24)|0x003790, (0x01<<24)|0x1B3331}, // channe1 02
-    {(0x00<<24)|0x003790, (0x01<<24)|0x033331}, // channe1 03
-    {(0x00<<24)|0x003790, (0x01<<24)|0x0B3331}, // channe1 04
-    {(0x00<<24)|0x0037A0, (0x01<<24)|0x133331}, // channe1 05
-    {(0x00<<24)|0x0037A0, (0x01<<24)|0x1B3331}, // channe1 06
-    {(0x00<<24)|0x0037A0, (0x01<<24)|0x033331}, // channe1 07
-    {(0x00<<24)|0x0037A0, (0x01<<24)|0x0B3331}, // channe1 08
-    {(0x00<<24)|0x0037B0, (0x01<<24)|0x133331}, // channe1 09
-    {(0x00<<24)|0x0037B0, (0x01<<24)|0x1B3331}, // channe1 10
-    {(0x00<<24)|0x0037B0, (0x01<<24)|0x033331}, // channe1 11
-    {(0x00<<24)|0x0037B0, (0x01<<24)|0x0B3331}, // channe1 12
-    {(0x00<<24)|0x0037C0, (0x01<<24)|0x133331}, // channe1 13
-	{(0x00<<24)|0x0037C0, (0x01<<24)|0x066661}  // channel 14
+u32 al7230_channel_data_24[][2] = {
+	{(0x00 << 24) | 0x003790, (0x01 << 24) | 0x133331}, /* channe1 01 */
+	{(0x00 << 24) | 0x003790, (0x01 << 24) | 0x1B3331}, /* channe1 02 */
+	{(0x00 << 24) | 0x003790, (0x01 << 24) | 0x033331}, /* channe1 03 */
+	{(0x00 << 24) | 0x003790, (0x01 << 24) | 0x0B3331}, /* channe1 04 */
+	{(0x00 << 24) | 0x0037A0, (0x01 << 24) | 0x133331}, /* channe1 05 */
+	{(0x00 << 24) | 0x0037A0, (0x01 << 24) | 0x1B3331}, /* channe1 06 */
+	{(0x00 << 24) | 0x0037A0, (0x01 << 24) | 0x033331}, /* channe1 07 */
+	{(0x00 << 24) | 0x0037A0, (0x01 << 24) | 0x0B3331}, /* channe1 08 */
+	{(0x00 << 24) | 0x0037B0, (0x01 << 24) | 0x133331}, /* channe1 09 */
+	{(0x00 << 24) | 0x0037B0, (0x01 << 24) | 0x1B3331}, /* channe1 10 */
+	{(0x00 << 24) | 0x0037B0, (0x01 << 24) | 0x033331}, /* channe1 11 */
+	{(0x00 << 24) | 0x0037B0, (0x01 << 24) | 0x0B3331}, /* channe1 12 */
+	{(0x00 << 24) | 0x0037C0, (0x01 << 24) | 0x133331}, /* channe1 13 */
+	{(0x00 << 24) | 0x0037C0, (0x01 << 24) | 0x066661}  /* channel 14 */
 };
 
-//channel independent registers:
-u32 al7230_rf_data_50[]	=
-{
-	(0x00<<24)|0x0FF520,
-	(0x01<<24)|0x000001,
-	(0x02<<24)|0x451FE2,
-	(0x03<<24)|0x5FDFA3,
-	(0x04<<24)|0x6FD784,
-	(0x05<<24)|0x853F55,
-	(0x06<<24)|0x56AF36,
-	(0x07<<24)|0xCE0207,
-	(0x08<<24)|0x6EBC08,
-	(0x09<<24)|0x221BB9,
-	(0x0A<<24)|0xE0600A,
-	(0x0B<<24)|0x08044B,
-	(0x0C<<24)|0x00143C,
-	(0x0D<<24)|0xFFFFFD,
-	(0x0E<<24)|0x00000E,
-	(0x0F<<24)|0x12BACF //5Ghz default state
+/* channel independent registers: */
+u32 al7230_rf_data_50[]	= {
+	(0x00 << 24) | 0x0FF520,
+	(0x01 << 24) | 0x000001,
+	(0x02 << 24) | 0x451FE2,
+	(0x03 << 24) | 0x5FDFA3,
+	(0x04 << 24) | 0x6FD784,
+	(0x05 << 24) | 0x853F55,
+	(0x06 << 24) | 0x56AF36,
+	(0x07 << 24) | 0xCE0207,
+	(0x08 << 24) | 0x6EBC08,
+	(0x09 << 24) | 0x221BB9,
+	(0x0A << 24) | 0xE0600A,
+	(0x0B << 24) | 0x08044B,
+	(0x0C << 24) | 0x00143C,
+	(0x0D << 24) | 0xFFFFFD,
+	(0x0E << 24) | 0x00000E,
+	(0x0F << 24) | 0x12BACF  /* 5Ghz default state */
 };
 
-u32 al7230_channel_data_5[][4] =
-{
-	//channel dependent registers: 0x00, 0x01 and 0x04
-	//11J ===========
-	{184, (0x00<<24)|0x0FF520, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 184
-	{188, (0x00<<24)|0x0FF520, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 188
-	{192, (0x00<<24)|0x0FF530, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 192
-	{196, (0x00<<24)|0x0FF530, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 196
-	{8,   (0x00<<24)|0x0FF540, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 008
-	{12,  (0x00<<24)|0x0FF540, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 012
-	{16,  (0x00<<24)|0x0FF550, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 016
-	{34,  (0x00<<24)|0x0FF560, (0x01<<24)|0x055551, (0x04<<24)|0x77F784}, // channel 034
-	{38,  (0x00<<24)|0x0FF570, (0x01<<24)|0x100001, (0x04<<24)|0x77F784}, // channel 038
-	{42,  (0x00<<24)|0x0FF570, (0x01<<24)|0x1AAAA1, (0x04<<24)|0x77F784}, // channel 042
-	{46,  (0x00<<24)|0x0FF570, (0x01<<24)|0x055551, (0x04<<24)|0x77F784}, // channel 046
-	//11 A/H =========
-	{36,  (0x00<<24)|0x0FF560, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 036
-	{40,  (0x00<<24)|0x0FF570, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 040
-	{44,  (0x00<<24)|0x0FF570, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 044
-	{48,  (0x00<<24)|0x0FF570, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 048
-	{52,  (0x00<<24)|0x0FF580, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 052
-	{56,  (0x00<<24)|0x0FF580, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 056
-	{60,  (0x00<<24)|0x0FF580, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 060
-	{64,  (0x00<<24)|0x0FF590, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 064
-	{100, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 100
-	{104, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 104
-	{108, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 108
-	{112, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 112
-	{116, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 116
-	{120, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 120
-	{124, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 124
-	{128, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 128
-	{132, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 132
-	{136, (0x00<<24)|0x0FF5F0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 136
-	{140, (0x00<<24)|0x0FF5F0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 140
-	{149, (0x00<<24)|0x0FF600, (0x01<<24)|0x180001, (0x04<<24)|0x77F784}, // channel 149
-	{153, (0x00<<24)|0x0FF600, (0x01<<24)|0x02AAA1, (0x04<<24)|0x77F784}, // channel 153
-	{157, (0x00<<24)|0x0FF600, (0x01<<24)|0x0D5551, (0x04<<24)|0x77F784}, // channel 157
-	{161, (0x00<<24)|0x0FF610, (0x01<<24)|0x180001, (0x04<<24)|0x77F784}, // channel 161
-	{165, (0x00<<24)|0x0FF610, (0x01<<24)|0x02AAA1, (0x04<<24)|0x77F784}  // channel 165
+u32 al7230_channel_data_5[][4] = {
+	/* channel dependent registers: 0x00, 0x01 and 0x04 */
+	/* 11J =========== */
+	{184, (0x00 << 24) | 0x0FF520, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 184 */
+	{188, (0x00 << 24) | 0x0FF520, (0x01 << 24) | 0x0AAAA1, (0x04 << 24) | 0x77F784}, /* channel 188 */
+	{192, (0x00 << 24) | 0x0FF530, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 192 */
+	{196, (0x00 << 24) | 0x0FF530, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 196 */
+	{8,   (0x00 << 24) | 0x0FF540, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 008 */
+	{12,  (0x00 << 24) | 0x0FF540, (0x01 << 24) | 0x0AAAA1, (0x04 << 24) | 0x77F784}, /* channel 012 */
+	{16,  (0x00 << 24) | 0x0FF550, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 016 */
+	{34,  (0x00 << 24) | 0x0FF560, (0x01 << 24) | 0x055551, (0x04 << 24) | 0x77F784}, /* channel 034 */
+	{38,  (0x00 << 24) | 0x0FF570, (0x01 << 24) | 0x100001, (0x04 << 24) | 0x77F784}, /* channel 038 */
+	{42,  (0x00 << 24) | 0x0FF570, (0x01 << 24) | 0x1AAAA1, (0x04 << 24) | 0x77F784}, /* channel 042 */
+	{46,  (0x00 << 24) | 0x0FF570, (0x01 << 24) | 0x055551, (0x04 << 24) | 0x77F784}, /* channel 046 */
+	/* 11 A/H ========= */
+	{36,  (0x00 << 24) | 0x0FF560, (0x01 << 24) | 0x0AAAA1, (0x04 << 24) | 0x77F784}, /* channel 036 */
+	{40,  (0x00 << 24) | 0x0FF570, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 040 */
+	{44,  (0x00 << 24) | 0x0FF570, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 044 */
+	{48,  (0x00 << 24) | 0x0FF570, (0x01 << 24) | 0x0AAAA1, (0x04 << 24) | 0x77F784}, /* channel 048 */
+	{52,  (0x00 << 24) | 0x0FF580, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 052 */
+	{56,  (0x00 << 24) | 0x0FF580, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 056 */
+	{60,  (0x00 << 24) | 0x0FF580, (0x01 << 24) | 0x0AAAA1, (0x04 << 24) | 0x77F784}, /* channel 060 */
+	{64,  (0x00 << 24) | 0x0FF590, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 064 */
+	{100, (0x00 << 24) | 0x0FF5C0, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 100 */
+	{104, (0x00 << 24) | 0x0FF5C0, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 104 */
+	{108, (0x00 << 24) | 0x0FF5C0, (0x01 << 24) | 0x0AAAA1, (0x04 << 24) | 0x77F784}, /* channel 108 */
+	{112, (0x00 << 24) | 0x0FF5D0, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 112 */
+	{116, (0x00 << 24) | 0x0FF5D0, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 116 */
+	{120, (0x00 << 24) | 0x0FF5D0, (0x01 << 24) | 0x0AAAA1, (0x04 << 24) | 0x77F784}, /* channel 120 */
+	{124, (0x00 << 24) | 0x0FF5E0, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 124 */
+	{128, (0x00 << 24) | 0x0FF5E0, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 128 */
+	{132, (0x00 << 24) | 0x0FF5E0, (0x01 << 24) | 0x0AAAA1, (0x04 << 24) | 0x77F784}, /* channel 132 */
+	{136, (0x00 << 24) | 0x0FF5F0, (0x01 << 24) | 0x155551, (0x04 << 24) | 0x77F784}, /* channel 136 */
+	{140, (0x00 << 24) | 0x0FF5F0, (0x01 << 24) | 0x000001, (0x04 << 24) | 0x67F784}, /* channel 140 */
+	{149, (0x00 << 24) | 0x0FF600, (0x01 << 24) | 0x180001, (0x04 << 24) | 0x77F784}, /* channel 149 */
+	{153, (0x00 << 24) | 0x0FF600, (0x01 << 24) | 0x02AAA1, (0x04 << 24) | 0x77F784}, /* channel 153 */
+	{157, (0x00 << 24) | 0x0FF600, (0x01 << 24) | 0x0D5551, (0x04 << 24) | 0x77F784}, /* channel 157 */
+	{161, (0x00 << 24) | 0x0FF610, (0x01 << 24) | 0x180001, (0x04 << 24) | 0x77F784}, /* channel 161 */
+	{165, (0x00 << 24) | 0x0FF610, (0x01 << 24) | 0x02AAA1, (0x04 << 24) | 0x77F784}  /* channel 165 */
 };
 
-//; RF Calibration <=== Register 0x0F
-//0x0F 0x1ABA8F; start from 2.4Ghz default state
-//0x0F 0x9ABA8F; TXDC compensation
-//0x0F 0x3ABA8F; RXFIL adjustment
-//0x0F 0x1ABA8F; restore 2.4Ghz default state
+/*
+ * RF Calibration <=== Register 0x0F
+ * 0x0F 0x1ABA8F; start from 2.4Ghz default state
+ * 0x0F 0x9ABA8F; TXDC compensation
+ * 0x0F 0x3ABA8F; RXFIL adjustment
+ * 0x0F 0x1ABA8F; restore 2.4Ghz default state
+ */
 
-//;TXVGA Mapping Table <=== Register 0x0B
-u32 al7230_txvga_data[][2] =
-{
-	{0x08040B, 0}, //TXVGA=0;
-	{0x08041B, 1}, //TXVGA=1;
-	{0x08042B, 2}, //TXVGA=2;
-	{0x08043B, 3}, //TXVGA=3;
-	{0x08044B, 4}, //TXVGA=4;
-	{0x08045B, 5}, //TXVGA=5;
-	{0x08046B, 6}, //TXVGA=6;
-	{0x08047B, 7}, //TXVGA=7;
-	{0x08048B, 8}, //TXVGA=8;
-	{0x08049B, 9}, //TXVGA=9;
-	{0x0804AB, 10}, //TXVGA=10;
-	{0x0804BB, 11}, //TXVGA=11;
-	{0x0804CB, 12}, //TXVGA=12;
-	{0x0804DB, 13}, //TXVGA=13;
-	{0x0804EB, 14}, //TXVGA=14;
-	{0x0804FB, 15}, //TXVGA=15;
-	{0x08050B, 16}, //TXVGA=16;
-	{0x08051B, 17}, //TXVGA=17;
-	{0x08052B, 18}, //TXVGA=18;
-	{0x08053B, 19}, //TXVGA=19;
-	{0x08054B, 20}, //TXVGA=20;
-	{0x08055B, 21}, //TXVGA=21;
-	{0x08056B, 22}, //TXVGA=22;
-	{0x08057B, 23}, //TXVGA=23;
-	{0x08058B, 24}, //TXVGA=24;
-	{0x08059B, 25}, //TXVGA=25;
-	{0x0805AB, 26}, //TXVGA=26;
-	{0x0805BB, 27}, //TXVGA=27;
-	{0x0805CB, 28}, //TXVGA=28;
-	{0x0805DB, 29}, //TXVGA=29;
-	{0x0805EB, 30}, //TXVGA=30;
-	{0x0805FB, 31}, //TXVGA=31;
-	{0x08060B, 32}, //TXVGA=32;
-	{0x08061B, 33}, //TXVGA=33;
-	{0x08062B, 34}, //TXVGA=34;
-	{0x08063B, 35}, //TXVGA=35;
-	{0x08064B, 36}, //TXVGA=36;
-	{0x08065B, 37}, //TXVGA=37;
-	{0x08066B, 38}, //TXVGA=38;
-	{0x08067B, 39}, //TXVGA=39;
-	{0x08068B, 40}, //TXVGA=40;
-	{0x08069B, 41}, //TXVGA=41;
-	{0x0806AB, 42}, //TXVGA=42;
-	{0x0806BB, 43}, //TXVGA=43;
-	{0x0806CB, 44}, //TXVGA=44;
-	{0x0806DB, 45}, //TXVGA=45;
-	{0x0806EB, 46}, //TXVGA=46;
-	{0x0806FB, 47}, //TXVGA=47;
-	{0x08070B, 48}, //TXVGA=48;
-	{0x08071B, 49}, //TXVGA=49;
-	{0x08072B, 50}, //TXVGA=50;
-	{0x08073B, 51}, //TXVGA=51;
-	{0x08074B, 52}, //TXVGA=52;
-	{0x08075B, 53}, //TXVGA=53;
-	{0x08076B, 54}, //TXVGA=54;
-	{0x08077B, 55}, //TXVGA=55;
-	{0x08078B, 56}, //TXVGA=56;
-	{0x08079B, 57}, //TXVGA=57;
-	{0x0807AB, 58}, //TXVGA=58;
-	{0x0807BB, 59}, //TXVGA=59;
-	{0x0807CB, 60}, //TXVGA=60;
-	{0x0807DB, 61}, //TXVGA=61;
-	{0x0807EB, 62}, //TXVGA=62;
-	{0x0807FB, 63}, //TXVGA=63;
+/* TXVGA Mapping Table <=== Register 0x0B */
+u32 al7230_txvga_data[][2] = {
+	{0x08040B, 0}, /* TXVGA = 0; */
+	{0x08041B, 1}, /* TXVGA = 1; */
+	{0x08042B, 2}, /* TXVGA = 2; */
+	{0x08043B, 3}, /* TXVGA = 3; */
+	{0x08044B, 4}, /* TXVGA = 4; */
+	{0x08045B, 5}, /* TXVGA = 5; */
+	{0x08046B, 6}, /* TXVGA = 6; */
+	{0x08047B, 7}, /* TXVGA = 7; */
+	{0x08048B, 8}, /* TXVGA = 8; */
+	{0x08049B, 9}, /* TXVGA = 9; */
+	{0x0804AB, 10}, /* TXVGA = 10; */
+	{0x0804BB, 11}, /* TXVGA = 11; */
+	{0x0804CB, 12}, /* TXVGA = 12; */
+	{0x0804DB, 13}, /* TXVGA = 13; */
+	{0x0804EB, 14}, /* TXVGA = 14; */
+	{0x0804FB, 15}, /* TXVGA = 15; */
+	{0x08050B, 16}, /* TXVGA = 16; */
+	{0x08051B, 17}, /* TXVGA = 17; */
+	{0x08052B, 18}, /* TXVGA = 18; */
+	{0x08053B, 19}, /* TXVGA = 19; */
+	{0x08054B, 20}, /* TXVGA = 20; */
+	{0x08055B, 21}, /* TXVGA = 21; */
+	{0x08056B, 22}, /* TXVGA = 22; */
+	{0x08057B, 23}, /* TXVGA = 23; */
+	{0x08058B, 24}, /* TXVGA = 24; */
+	{0x08059B, 25}, /* TXVGA = 25; */
+	{0x0805AB, 26}, /* TXVGA = 26; */
+	{0x0805BB, 27}, /* TXVGA = 27; */
+	{0x0805CB, 28}, /* TXVGA = 28; */
+	{0x0805DB, 29}, /* TXVGA = 29; */
+	{0x0805EB, 30}, /* TXVGA = 30; */
+	{0x0805FB, 31}, /* TXVGA = 31; */
+	{0x08060B, 32}, /* TXVGA = 32; */
+	{0x08061B, 33}, /* TXVGA = 33; */
+	{0x08062B, 34}, /* TXVGA = 34; */
+	{0x08063B, 35}, /* TXVGA = 35; */
+	{0x08064B, 36}, /* TXVGA = 36; */
+	{0x08065B, 37}, /* TXVGA = 37; */
+	{0x08066B, 38}, /* TXVGA = 38; */
+	{0x08067B, 39}, /* TXVGA = 39; */
+	{0x08068B, 40}, /* TXVGA = 40; */
+	{0x08069B, 41}, /* TXVGA = 41; */
+	{0x0806AB, 42}, /* TXVGA = 42; */
+	{0x0806BB, 43}, /* TXVGA = 43; */
+	{0x0806CB, 44}, /* TXVGA = 44; */
+	{0x0806DB, 45}, /* TXVGA = 45; */
+	{0x0806EB, 46}, /* TXVGA = 46; */
+	{0x0806FB, 47}, /* TXVGA = 47; */
+	{0x08070B, 48}, /* TXVGA = 48; */
+	{0x08071B, 49}, /* TXVGA = 49; */
+	{0x08072B, 50}, /* TXVGA = 50; */
+	{0x08073B, 51}, /* TXVGA = 51; */
+	{0x08074B, 52}, /* TXVGA = 52; */
+	{0x08075B, 53}, /* TXVGA = 53; */
+	{0x08076B, 54}, /* TXVGA = 54; */
+	{0x08077B, 55}, /* TXVGA = 55; */
+	{0x08078B, 56}, /* TXVGA = 56; */
+	{0x08079B, 57}, /* TXVGA = 57; */
+	{0x0807AB, 58}, /* TXVGA = 58; */
+	{0x0807BB, 59}, /* TXVGA = 59; */
+	{0x0807CB, 60}, /* TXVGA = 60; */
+	{0x0807DB, 61}, /* TXVGA = 61; */
+	{0x0807EB, 62}, /* TXVGA = 62; */
+	{0x0807FB, 63}, /* TXVGA = 63; */
 };
-//--------------------------------
+/* ============================================= */
 
-
-//; W89RF242 RFIC SPI programming initial data
-//; Winbond WLAN 11g RFIC BB-SPI register -- version FA5976A rev 1.3b
-//; Update Date: Ocotber 3, 2005 by PP10 Hsiang-Te Ho
-//;
-//; Version 1.3b revision items: (Oct. 1, 2005 by HTHo) for FA5976A
-u32 w89rf242_rf_data[]     =
-{
-    (0x00<<24)|0xF86100, // 20060721 0xF86100, //; 3E184; MODA  (0x00) -- Normal mode ; calibration off
-    (0x01<<24)|0xEFFFC2, //; 3BFFF; MODB  (0x01) -- turn off RSSI, and other circuits are turned on
-    (0x02<<24)|0x102504, //; 04094; FSET  (0x02) -- default 20MHz crystal ; Icmp=1.5mA
-    (0x03<<24)|0x026286, //; 0098A; FCHN  (0x03) -- default CH7, 2442MHz
-    (0x04<<24)|0x000208, // 20060612.1.a 0x0002C8, // 20050818 // 20050816 0x000388
-						 //; 02008; FCAL  (0x04) -- XTAL Freq Trim=001000 (socket board#1); FA5976AYG_v1.3C
-    (0x05<<24)|0x24C60A, // 20060612.1.a 0x24C58A, // 941003 0x24C48A, // 20050818.2 0x24848A, // 20050818 // 20050816 0x24C48A
-						 //; 09316; GANA  (0x05) -- TX VGA default (TXVGA=0x18(12)) & TXGPK=110 ; FA5976A_1.3D
-    (0x06<<24)|0x3432CC, // 941003 0x26C34C, // 20050818 0x06B40C
-						 //; 0D0CB; GANB  (0x06) -- RXDC(DC offset) on; LNA=11; RXVGA=001011(11) ; RXFLSW=11(010001); RXGPK=00; RXGCF=00; -50dBm input
-    (0x07<<24)|0x0C68CE, // 20050818.2 0x0C66CE, // 20050818 // 20050816 0x0C68CE
-						 //; 031A3; FILT  (0x07) -- TX/RX filter with auto-tuning; TFLBW=011; RFLBW=100
-    (0x08<<24)|0x100010, //; 04000; TCAL  (0x08) -- //for LO
-    (0x09<<24)|0x004012, // 20060612.1.a 0x6E4012, // 0x004012,
-						 //; 1B900; RCALA (0x09) -- FASTS=11; HPDE=01 (100nsec); SEHP=1 (select B0 pin=RXHP); RXHP=1 (Turn on RXHP function)(FA5976A_1.3C)
-    (0x0A<<24)|0x704014, //; 1C100; RCALB (0x0A)
-    (0x0B<<24)|0x18BDD6, // 941003 0x1805D6, // 20050818.2 0x1801D6, // 20050818 // 20050816 0x1805D6
-						 //; 062F7; IQCAL (0x0B) -- Turn on LO phase tuner=0111 & RX-LO phase = 0111; FA5976A_1.3B (2005/09/29)
-    (0x0C<<24)|0x575558, // 20050818.2 0x555558, // 20050818 // 20050816 0x575558
-						 //; 15D55 ; IBSA  (0x0C) -- IFPre =11 ; TC5376A_v1.3A for corner
-    (0x0D<<24)|0x55545A, // 20060612.1.a 0x55555A,
-						 //; 15555 ; IBSB  (0x0D)
-    (0x0E<<24)|0x5557DC, // 20060612.1.a 0x55555C, // 941003 0x5557DC,
-						 //; 1555F ; IBSC  (0x0E) -- IRLNA & IRLNB (PTAT & Const current)=01/01; FA5976B_1.3F (2005/11/25)
-	(0x10<<24)|0x000C20, // 941003 0x000020, // 20050818
-						 //; 00030 ; TMODA (0x10) -- LNA_gain_step=0011 ; LNA=15/16dB
-	(0x11<<24)|0x0C0022, // 941003 0x030022  // 20050818.2 0x030022  // 20050818 // 20050816 0x0C0022
-						 //; 03000 ; TMODB (0x11) -- Turn ON RX-Q path Test Switch; To improve IQ path group delay (FA5976A_1.3C)
-	(0x12<<24)|0x000024  // 20060612.1.a 0x001824  // 941003 add
-						 //; TMODC (0x12) -- Turn OFF Tempearure sensor
+/*
+ * W89RF242 RFIC SPI programming initial data
+ * Winbond WLAN 11g RFIC BB-SPI register -- version FA5976A rev 1.3b
+ */
+u32 w89rf242_rf_data[] = {
+	(0x00 << 24) | 0xF86100, /* 3E184; MODA  (0x00) -- Normal mode ; calibration off */
+	(0x01 << 24) | 0xEFFFC2, /* 3BFFF; MODB  (0x01) -- turn off RSSI, and other circuits are turned on */
+	(0x02 << 24) | 0x102504, /* 04094; FSET  (0x02) -- default 20MHz crystal ; Icmp=1.5mA */
+	(0x03 << 24) | 0x026286, /* 0098A; FCHN  (0x03) -- default CH7, 2442MHz */
+	(0x04 << 24) | 0x000208, /* 02008; FCAL  (0x04) -- XTAL Freq Trim=001000 (socket board#1); FA5976AYG_v1.3C */
+	(0x05 << 24) | 0x24C60A, /* 09316; GANA  (0x05) -- TX VGA default (TXVGA=0x18(12)) & TXGPK=110 ; FA5976A_1.3D */
+	(0x06 << 24) | 0x3432CC, /* 0D0CB; GANB  (0x06) -- RXDC(DC offset) on; LNA=11; RXVGA=001011(11) ; RXFLSW=11(010001); RXGPK=00; RXGCF=00; -50dBm input */
+	(0x07 << 24) | 0x0C68CE, /* 031A3; FILT  (0x07) -- TX/RX filter with auto-tuning; TFLBW=011; RFLBW=100 */
+	(0x08 << 24) | 0x100010, /* 04000; TCAL  (0x08) -- for LO */
+	(0x09 << 24) | 0x004012, /* 1B900; RCALA (0x09) -- FASTS=11; HPDE=01 (100nsec); SEHP=1 (select B0 pin=RXHP); RXHP=1 (Turn on RXHP function)(FA5976A_1.3C) */
+	(0x0A << 24) | 0x704014, /* 1C100; RCALB (0x0A) */
+	(0x0B << 24) | 0x18BDD6, /* 062F7; IQCAL (0x0B) -- Turn on LO phase tuner=0111 & RX-LO phase = 0111; FA5976A_1.3B */
+	(0x0C << 24) | 0x575558, /* 15D55 ; IBSA  (0x0C) -- IFPre =11 ; TC5376A_v1.3A for corner */
+	(0x0D << 24) | 0x55545A, /* 15555 ; IBSB  (0x0D) */
+	(0x0E << 24) | 0x5557DC, /* 1555F ; IBSC  (0x0E) -- IRLNA & IRLNB (PTAT & Const current)=01/01; FA5976B_1.3F */
+	(0x10 << 24) | 0x000C20, /* 00030 ; TMODA (0x10) -- LNA_gain_step=0011 ; LNA=15/16dB */
+	(0x11 << 24) | 0x0C0022, /* 03000 ; TMODB (0x11) -- Turn ON RX-Q path Test Switch; To improve IQ path group delay (FA5976A_1.3C) */
+	(0x12 << 24) | 0x000024  /* TMODC (0x12) -- Turn OFF Tempearure sensor */
 };
 
-u32 w89rf242_channel_data_24[][2] =
-{
-    {(0x03<<24)|0x025B06, (0x04<<24)|0x080408}, // channe1 01
-    {(0x03<<24)|0x025C46, (0x04<<24)|0x080408}, // channe1 02
-    {(0x03<<24)|0x025D86, (0x04<<24)|0x080408}, // channe1 03
-    {(0x03<<24)|0x025EC6, (0x04<<24)|0x080408}, // channe1 04
-    {(0x03<<24)|0x026006, (0x04<<24)|0x080408}, // channe1 05
-    {(0x03<<24)|0x026146, (0x04<<24)|0x080408}, // channe1 06
-    {(0x03<<24)|0x026286, (0x04<<24)|0x080408}, // channe1 07
-    {(0x03<<24)|0x0263C6, (0x04<<24)|0x080408}, // channe1 08
-    {(0x03<<24)|0x026506, (0x04<<24)|0x080408}, // channe1 09
-    {(0x03<<24)|0x026646, (0x04<<24)|0x080408}, // channe1 10
-    {(0x03<<24)|0x026786, (0x04<<24)|0x080408}, // channe1 11
-    {(0x03<<24)|0x0268C6, (0x04<<24)|0x080408}, // channe1 12
-    {(0x03<<24)|0x026A06, (0x04<<24)|0x080408}, // channe1 13
-    {(0x03<<24)|0x026D06, (0x04<<24)|0x080408}  // channe1 14
+u32 w89rf242_channel_data_24[][2] = {
+	{(0x03 << 24) | 0x025B06, (0x04 << 24) | 0x080408}, /* channe1 01 */
+	{(0x03 << 24) | 0x025C46, (0x04 << 24) | 0x080408}, /* channe1 02 */
+	{(0x03 << 24) | 0x025D86, (0x04 << 24) | 0x080408}, /* channe1 03 */
+	{(0x03 << 24) | 0x025EC6, (0x04 << 24) | 0x080408}, /* channe1 04 */
+	{(0x03 << 24) | 0x026006, (0x04 << 24) | 0x080408}, /* channe1 05 */
+	{(0x03 << 24) | 0x026146, (0x04 << 24) | 0x080408}, /* channe1 06 */
+	{(0x03 << 24) | 0x026286, (0x04 << 24) | 0x080408}, /* channe1 07 */
+	{(0x03 << 24) | 0x0263C6, (0x04 << 24) | 0x080408}, /* channe1 08 */
+	{(0x03 << 24) | 0x026506, (0x04 << 24) | 0x080408}, /* channe1 09 */
+	{(0x03 << 24) | 0x026646, (0x04 << 24) | 0x080408}, /* channe1 10 */
+	{(0x03 << 24) | 0x026786, (0x04 << 24) | 0x080408}, /* channe1 11 */
+	{(0x03 << 24) | 0x0268C6, (0x04 << 24) | 0x080408}, /* channe1 12 */
+	{(0x03 << 24) | 0x026A06, (0x04 << 24) | 0x080408}, /* channe1 13 */
+	{(0x03 << 24) | 0x026D06, (0x04 << 24) | 0x080408}  /* channe1 14 */
 };
 
-u32 w89rf242_power_data_24[] = {(0x05<<24)|0x24C48A, (0x05<<24)|0x24C48A, (0x05<<24)|0x24C48A};
+u32 w89rf242_power_data_24[] = {(0x05 << 24) | 0x24C48A, (0x05 << 24) | 0x24C48A, (0x05 << 24) | 0x24C48A};
 
-// 20060315.6 Enlarge for new scale
-// 20060316.6 20060619.2.a add mapping array
-u32 w89rf242_txvga_old_mapping[][2] =
-{
-	{0, 0} , // New <-> Old
+u32 w89rf242_txvga_old_mapping[][2] = {
+	{0, 0} , /* New <-> Old */
 	{1, 1} ,
 	{2, 2} ,
 	{3, 3} ,
 	{4, 4} ,
 	{6, 5} ,
-	{8, 6 },
-	{10, 7 },
-	{12, 8 },
-	{14, 9 },
+	{8, 6},
+	{10, 7},
+	{12, 8},
+	{14, 9},
 	{16, 10},
 	{18, 11},
 	{20, 12},
@@ -818,1704 +735,1514 @@ u32 w89rf242_txvga_old_mapping[][2] =
 	{30, 17},
 	{32, 18},
 	{34, 19},
-
-
 };
 
-// 20060619.3 modify from Bruce's mail
-u32 w89rf242_txvga_data[][5] =
-{
-	//low gain mode
-	{ (0x05<<24)|0x24C00A, 0, 0x00292315, 0x0800FEFF, 0x52523131 },//  ; min gain
-	{ (0x05<<24)|0x24C80A, 1, 0x00292315, 0x0800FEFF, 0x52523131 },
-	{ (0x05<<24)|0x24C04A, 2, 0x00292315, 0x0800FEFF, 0x52523131 },//  (default) +14dBm (ANT)
-	{ (0x05<<24)|0x24C84A, 3, 0x00292315, 0x0800FEFF, 0x52523131 },
+u32 w89rf242_txvga_data[][5] = {
+	/* low gain mode */
+	{(0x05 << 24) | 0x24C00A, 0, 0x00292315, 0x0800FEFF, 0x52523131}, /* min gain */
+	{(0x05 << 24) | 0x24C80A, 1, 0x00292315, 0x0800FEFF, 0x52523131},
+	{(0x05 << 24) | 0x24C04A, 2, 0x00292315, 0x0800FEFF, 0x52523131}, /*  (default) +14dBm (ANT) */
+	{(0x05 << 24) | 0x24C84A, 3, 0x00292315, 0x0800FEFF, 0x52523131},
 
-	//TXVGA=0x10
-	{ (0x05<<24)|0x24C40A, 4, 0x00292315, 0x0800FEFF, 0x60603838 },
-	{ (0x05<<24)|0x24C40A, 5, 0x00262114, 0x0700FEFF, 0x65653B3B },
+	/* TXVGA=0x10 */
+	{(0x05 << 24) | 0x24C40A, 4, 0x00292315, 0x0800FEFF, 0x60603838},
+	{(0x05 << 24) | 0x24C40A, 5, 0x00262114, 0x0700FEFF, 0x65653B3B},
 
-	//TXVGA=0x11
-	{ (0x05<<24)|0x24C44A, 6, 0x00241F13, 0x0700FFFF, 0x58583333 },
-	{ (0x05<<24)|0x24C44A, 7, 0x00292315, 0x0800FEFF, 0x5E5E3737 },
+	/* TXVGA=0x11 */
+	{ (0x05 << 24) | 0x24C44A, 6, 0x00241F13, 0x0700FFFF, 0x58583333},
+	{ (0x05 << 24) | 0x24C44A, 7, 0x00292315, 0x0800FEFF, 0x5E5E3737},
 
-	//TXVGA=0x12
-	{ (0x05<<24)|0x24C48A, 8, 0x00262114, 0x0700FEFF, 0x53533030 },
-	{ (0x05<<24)|0x24C48A, 9, 0x00241F13, 0x0700FFFF, 0x59593434 },
+	/* TXVGA=0x12 */
+	{(0x05 << 24) | 0x24C48A, 8, 0x00262114, 0x0700FEFF, 0x53533030},
+	{(0x05 << 24) | 0x24C48A, 9, 0x00241F13, 0x0700FFFF, 0x59593434},
 
-	//TXVGA=0x13
-	{ (0x05<<24)|0x24C4CA, 10, 0x00292315, 0x0800FEFF, 0x52523030 },
-	{ (0x05<<24)|0x24C4CA, 11, 0x00262114, 0x0700FEFF, 0x56563232 },
+	/* TXVGA=0x13 */
+	{(0x05 << 24) | 0x24C4CA, 10, 0x00292315, 0x0800FEFF, 0x52523030},
+	{(0x05 << 24) | 0x24C4CA, 11, 0x00262114, 0x0700FEFF, 0x56563232},
 
-	//TXVGA=0x14
-	{ (0x05<<24)|0x24C50A, 12, 0x00292315, 0x0800FEFF, 0x54543131 },
-	{ (0x05<<24)|0x24C50A, 13, 0x00262114, 0x0700FEFF, 0x58583434 },
+	/* TXVGA=0x14 */
+	{(0x05 << 24) | 0x24C50A, 12, 0x00292315, 0x0800FEFF, 0x54543131},
+	{(0x05 << 24) | 0x24C50A, 13, 0x00262114, 0x0700FEFF, 0x58583434},
 
-	//TXVGA=0x15
-	{ (0x05<<24)|0x24C54A, 14, 0x00292315, 0x0800FEFF, 0x54543131 },
-	{ (0x05<<24)|0x24C54A, 15, 0x00262114, 0x0700FEFF, 0x59593434 },
+	/* TXVGA=0x15 */
+	{(0x05 << 24) | 0x24C54A, 14, 0x00292315, 0x0800FEFF, 0x54543131},
+	{(0x05 << 24) | 0x24C54A, 15, 0x00262114, 0x0700FEFF, 0x59593434},
 
-	//TXVGA=0x16
-	{ (0x05<<24)|0x24C58A, 16, 0x00292315, 0x0800FEFF, 0x55553131 },
-	{ (0x05<<24)|0x24C58A, 17, 0x00292315, 0x0800FEFF, 0x5B5B3535 },
+	/* TXVGA=0x16 */
+	{(0x05 << 24) | 0x24C58A, 16, 0x00292315, 0x0800FEFF, 0x55553131},
+	{(0x05 << 24) | 0x24C58A, 17, 0x00292315, 0x0800FEFF, 0x5B5B3535},
 
-	//TXVGA=0x17
-	{ (0x05<<24)|0x24C5CA, 18, 0x00262114, 0x0700FEFF, 0x51512F2F },
-	{ (0x05<<24)|0x24C5CA, 19, 0x00241F13, 0x0700FFFF, 0x55553131 },
+	/* TXVGA=0x17 */
+	{(0x05 << 24) | 0x24C5CA, 18, 0x00262114, 0x0700FEFF, 0x51512F2F},
+	{(0x05 << 24) | 0x24C5CA, 19, 0x00241F13, 0x0700FFFF, 0x55553131},
 
-	//TXVGA=0x18
-	{ (0x05<<24)|0x24C60A, 20, 0x00292315, 0x0800FEFF, 0x4F4F2E2E },
-	{ (0x05<<24)|0x24C60A, 21, 0x00262114, 0x0700FEFF, 0x53533030 },
+	/* TXVGA=0x18 */
+	{(0x05 << 24) | 0x24C60A, 20, 0x00292315, 0x0800FEFF, 0x4F4F2E2E},
+	{(0x05 << 24) | 0x24C60A, 21, 0x00262114, 0x0700FEFF, 0x53533030},
 
-	//TXVGA=0x19
-	{ (0x05<<24)|0x24C64A, 22, 0x00292315, 0x0800FEFF, 0x4E4E2D2D },
-	{ (0x05<<24)|0x24C64A, 23, 0x00262114, 0x0700FEFF, 0x53533030 },
+	/* TXVGA=0x19 */
+	{(0x05 << 24) | 0x24C64A, 22, 0x00292315, 0x0800FEFF, 0x4E4E2D2D},
+	{(0x05 << 24) | 0x24C64A, 23, 0x00262114, 0x0700FEFF, 0x53533030},
 
-	//TXVGA=0x1A
-	{ (0x05<<24)|0x24C68A, 24, 0x00292315, 0x0800FEFF, 0x50502E2E },
-	{ (0x05<<24)|0x24C68A, 25, 0x00262114, 0x0700FEFF, 0x55553131 },
+	/* TXVGA=0x1A */
+	{(0x05 << 24) | 0x24C68A, 24, 0x00292315, 0x0800FEFF, 0x50502E2E},
+	{(0x05 << 24) | 0x24C68A, 25, 0x00262114, 0x0700FEFF, 0x55553131},
 
-	//TXVGA=0x1B
-	{ (0x05<<24)|0x24C6CA, 26, 0x00262114, 0x0700FEFF, 0x53533030 },
-	{ (0x05<<24)|0x24C6CA, 27, 0x00292315, 0x0800FEFF, 0x5A5A3434 },
+	/* TXVGA=0x1B */
+	{(0x05 << 24) | 0x24C6CA, 26, 0x00262114, 0x0700FEFF, 0x53533030},
+	{(0x05 << 24) | 0x24C6CA, 27, 0x00292315, 0x0800FEFF, 0x5A5A3434},
 
-	//TXVGA=0x1C
-	{ (0x05<<24)|0x24C70A, 28, 0x00292315, 0x0800FEFF, 0x55553131 },
-	{ (0x05<<24)|0x24C70A, 29, 0x00292315, 0x0800FEFF, 0x5D5D3636 },
+	/* TXVGA=0x1C */
+	{(0x05 << 24) | 0x24C70A, 28, 0x00292315, 0x0800FEFF, 0x55553131},
+	{(0x05 << 24) | 0x24C70A, 29, 0x00292315, 0x0800FEFF, 0x5D5D3636},
 
-	//TXVGA=0x1D
-	{ (0x05<<24)|0x24C74A, 30, 0x00292315, 0x0800FEFF, 0x5F5F3737 },
-	{ (0x05<<24)|0x24C74A, 31, 0x00262114, 0x0700FEFF, 0x65653B3B },
+	/* TXVGA=0x1D */
+	{(0x05 << 24) | 0x24C74A, 30, 0x00292315, 0x0800FEFF, 0x5F5F3737},
+	{(0x05 << 24) | 0x24C74A, 31, 0x00262114, 0x0700FEFF, 0x65653B3B},
 
-	//TXVGA=0x1E
-	{ (0x05<<24)|0x24C78A, 32, 0x00292315, 0x0800FEFF, 0x66663B3B },
-	{ (0x05<<24)|0x24C78A, 33, 0x00262114, 0x0700FEFF, 0x70704141 },
+	/* TXVGA=0x1E */
+	{(0x05 << 24) | 0x24C78A, 32, 0x00292315, 0x0800FEFF, 0x66663B3B},
+	{(0x05 << 24) | 0x24C78A, 33, 0x00262114, 0x0700FEFF, 0x70704141},
 
-	//TXVGA=0x1F
-	{ (0x05<<24)|0x24C7CA, 34, 0x00292315, 0x0800FEFF, 0x72724242 }
+	/* TXVGA=0x1F */
+	{(0x05 << 24) | 0x24C7CA, 34, 0x00292315, 0x0800FEFF, 0x72724242}
 };
 
-///////////////////////////////////////////////////////////////////////////////////////////////////
-///////////////////////////////////////////////////////////////////////////////////////////////////
-///////////////////////////////////////////////////////////////////////////////////////////////////
+/* ================================================================================================== */
 
 
 
-//=============================================================================================================
-//  Uxx_ReadEthernetAddress --
-//
-//  Routine Description:
-//    Reads in the Ethernet address from the IC.
-//
-//  Arguments:
-//    pHwData        - The pHwData structure
-//
-//  Return Value:
-//
-//    The address is stored in EthernetIDAddr.
-//=============================================================================================================
-void
-Uxx_ReadEthernetAddress(  struct hw_data * pHwData )
+/*
+ * =============================================================================================================
+ *  Uxx_ReadEthernetAddress --
+ *
+ *  Routine Description:
+ *    Reads in the Ethernet address from the IC.
+ *
+ *  Arguments:
+ *    pHwData        - The pHwData structure
+ *
+ *  Return Value:
+ *
+ *    The address is stored in EthernetIDAddr.
+ * =============================================================================================================
+ */
+void Uxx_ReadEthernetAddress(struct hw_data *pHwData)
 {
 	u32	ltmp;
 
-	// Reading Ethernet address from EEPROM and set into hardware due to MAC address maybe change.
-	// Only unplug and plug again can make hardware read EEPROM again. 20060727
-	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08000000 ); // Start EEPROM access + Read + address(0x0d)
-	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
-	*(u16 *)pHwData->PermanentMacAddress = cpu_to_le16((u16)ltmp); //20060926 anson's endian
-	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08010000 ); // Start EEPROM access + Read + address(0x0d)
-	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
-	*(u16 *)(pHwData->PermanentMacAddress + 2) = cpu_to_le16((u16)ltmp); //20060926 anson's endian
-	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08020000 ); // Start EEPROM access + Read + address(0x0d)
-	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
-	*(u16 *)(pHwData->PermanentMacAddress + 4) = cpu_to_le16((u16)ltmp); //20060926 anson's endian
+	/*
+	 * Reading Ethernet address from EEPROM and set into hardware due to MAC address maybe change.
+	 * Only unplug and plug again can make hardware read EEPROM again.
+	 */
+	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08000000); /* Start EEPROM access + Read + address(0x0d) */
+	Wb35Reg_ReadSync(pHwData, 0x03b4, &ltmp);
+	*(u16 *)pHwData->PermanentMacAddress = cpu_to_le16((u16) ltmp);
+	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08010000); /* Start EEPROM access + Read + address(0x0d) */
+	Wb35Reg_ReadSync(pHwData, 0x03b4, &ltmp);
+	*(u16 *)(pHwData->PermanentMacAddress + 2) = cpu_to_le16((u16) ltmp);
+	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08020000); /* Start EEPROM access + Read + address(0x0d) */
+	Wb35Reg_ReadSync(pHwData, 0x03b4, &ltmp);
+	*(u16 *)(pHwData->PermanentMacAddress + 4) = cpu_to_le16((u16) ltmp);
 	*(u16 *)(pHwData->PermanentMacAddress + 6) = 0;
-	Wb35Reg_WriteSync( pHwData, 0x03e8, cpu_to_le32(*(u32 *)pHwData->PermanentMacAddress) ); //20060926 anson's endian
-	Wb35Reg_WriteSync( pHwData, 0x03ec, cpu_to_le32(*(u32 *)(pHwData->PermanentMacAddress+4)) ); //20060926 anson's endian
+	Wb35Reg_WriteSync(pHwData, 0x03e8, cpu_to_le32(*(u32 *)pHwData->PermanentMacAddress));
+	Wb35Reg_WriteSync(pHwData, 0x03ec, cpu_to_le32(*(u32 *)(pHwData->PermanentMacAddress + 4)));
 }
 
 
-//===============================================================================================================
-//  CardGetMulticastBit --
-//  Description:
-//    For a given multicast address, returns the byte and bit in the card multicast registers that it hashes to.
-//    Calls CardComputeCrc() to determine the CRC value.
-//  Arguments:
-//    Address - the address
-//    Byte - the byte that it hashes to
-//    Value - will have a 1 in the relevant bit
-//  Return Value:
-//    None.
-//==============================================================================================================
-void CardGetMulticastBit( u8 Address[ETH_ALEN], u8 *Byte, u8 *Value )
+/*
+ * ===============================================================================================================
+ *  CardGetMulticastBit --
+ *  Description:
+ *    For a given multicast address, returns the byte and bit in the card multicast registers that it hashes to.
+ *    Calls CardComputeCrc() to determine the CRC value.
+ *  Arguments:
+ *    Address - the address
+ *    Byte - the byte that it hashes to
+ *    Value - will have a 1 in the relevant bit
+ *  Return Value:
+ *    None.
+ * ==============================================================================================================
+ */
+void CardGetMulticastBit(u8 Address[ETH_ALEN], u8 *Byte, u8 *Value)
 {
-    u32 Crc;
-    u32 BitNumber;
+	u32 Crc;
+	u32 BitNumber;
 
-    // First compute the CRC.
-    Crc = CardComputeCrc(Address, ETH_ALEN);
+	/* First compute the CRC. */
+	Crc = CardComputeCrc(Address, ETH_ALEN);
 
-	// The computed CRC is bit0~31 from left to right
-	//At first we should do right shift 25bits, and read 7bits by using '&', 2^7=128
+	/* The computed CRC is bit0~31 from left to right */
+	/* At first we should do right shift 25bits, and read 7bits by using '&', 2^7=128 */
 	BitNumber = (u32) ((Crc >> 26) & 0x3f);
 
-	*Byte  = (u8) (BitNumber >> 3);// 900514 original (BitNumber / 8)
-	*Value = (u8) ((u8)1 << (BitNumber % 8));
+	*Byte  = (u8) (BitNumber >> 3); /* 900514 original (BitNumber / 8) */
+	*Value = (u8) ((u8) 1 << (BitNumber % 8));
 }
 
-void Uxx_power_on_procedure(  struct hw_data * pHwData )
+void Uxx_power_on_procedure(struct hw_data *pHwData)
 {
 	u32	ltmp, loop;
 
-	if( pHwData->phy_type <= RF_MAXIM_V1 )
-		Wb35Reg_WriteSync( pHwData, 0x03d4, 0xffffff38 );
-	else
-	{
-		Wb35Reg_WriteSync( pHwData, 0x03f4, 0xFF5807FF );// 20060721 For NEW IC 0xFF5807FF
-
-		// 20060511.1 Fix the following 4 steps for Rx of RF 2230 initial fail
-		Wb35Reg_WriteSync( pHwData, 0x03d4, 0x80 );// regulator on only
-		msleep(10); // Modify 20051221.1.b
-		Wb35Reg_WriteSync( pHwData, 0x03d4, 0xb8 );// REG_ON RF_RSTN on, and
-		msleep(10); // Modify 20051221.1.b
-
+	if (pHwData->phy_type <= RF_MAXIM_V1)
+		Wb35Reg_WriteSync(pHwData, 0x03d4, 0xffffff38);
+	else {
+		Wb35Reg_WriteSync(pHwData, 0x03f4, 0xFF5807FF);
+		Wb35Reg_WriteSync(pHwData, 0x03d4, 0x80); /* regulator on only */
+		msleep(10);
+		Wb35Reg_WriteSync(pHwData, 0x03d4, 0xb8); /* REG_ON RF_RSTN on, and */
+		msleep(10);
 		ltmp = 0x4968;
-		if( (pHwData->phy_type == RF_WB_242) ||
-			(RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add
+		if ((pHwData->phy_type == RF_WB_242) ||
+			(RF_WB_242_1 == pHwData->phy_type))
 			ltmp = 0x4468;
-		Wb35Reg_WriteSync( pHwData, 0x03d0, ltmp );
 
-		Wb35Reg_WriteSync( pHwData, 0x03d4, 0xa0 );// PLL_PD REF_PD set to 0
+		Wb35Reg_WriteSync(pHwData, 0x03d0, ltmp);
+		Wb35Reg_WriteSync(pHwData, 0x03d4, 0xa0); /* PLL_PD REF_PD set to 0 */
 
-		msleep(20); // Modify 20051221.1.b
-		Wb35Reg_ReadSync( pHwData, 0x03d0, &ltmp );
-		loop = 500; // Wait for 5 second 20061101
-		while( !(ltmp & 0x20) && loop-- )
-		{
-			msleep(10); // Modify 20051221.1.b
-			if( !Wb35Reg_ReadSync( pHwData, 0x03d0, &ltmp ) )
+		msleep(20);
+		Wb35Reg_ReadSync(pHwData, 0x03d0, &ltmp);
+		loop = 500; /* Wait for 5 second */
+		while (!(ltmp & 0x20) && loop--) {
+			msleep(10);
+			if (!Wb35Reg_ReadSync(pHwData, 0x03d0, &ltmp))
 				break;
 		}
 
-		Wb35Reg_WriteSync( pHwData, 0x03d4, 0xe0 );// MLK_EN
+		Wb35Reg_WriteSync(pHwData, 0x03d4, 0xe0); /* MLK_EN */
 	}
 
-	Wb35Reg_WriteSync( pHwData, 0x03b0, 1 );// Reset hardware first
-	msleep(10); // Add this 20051221.1.b
+	Wb35Reg_WriteSync(pHwData, 0x03b0, 1); /* Reset hardware first */
+	msleep(10);
 
-	// Set burst write delay
-	Wb35Reg_WriteSync( pHwData, 0x03f8, 0x7ff );
+	/* Set burst write delay */
+	Wb35Reg_WriteSync(pHwData, 0x03f8, 0x7ff);
 }
 
-void Set_ChanIndep_RfData_al7230_24(  struct hw_data * pHwData, u32 *pltmp ,char number)
+void Set_ChanIndep_RfData_al7230_24(struct hw_data *pHwData, u32 *pltmp , char number)
 {
 	u8	i;
 
-	for( i=0; i<number; i++ )
-	{
+	for (i = 0; i < number; i++) {
 		pHwData->phy_para[i] = al7230_rf_data_24[i];
-		pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_rf_data_24[i]&0xffffff);
+		pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_rf_data_24[i] & 0xffffff);
 	}
 }
 
-void Set_ChanIndep_RfData_al7230_50(  struct hw_data * pHwData, u32 *pltmp, char number)
+void Set_ChanIndep_RfData_al7230_50(struct hw_data *pHwData, u32 *pltmp, char number)
 {
 	u8	i;
 
-	for( i=0; i<number; i++ )
-	{
+	for (i = 0; i < number; i++) {
 		pHwData->phy_para[i] = al7230_rf_data_50[i];
-		pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_rf_data_50[i]&0xffffff);
+		pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_rf_data_50[i] & 0xffffff);
 	}
 }
 
 
-//=============================================================================================================
-// RFSynthesizer_initial --
-//=============================================================================================================
-void
-RFSynthesizer_initial(struct hw_data * pHwData)
+/*
+ * =============================================================================================================
+ * RFSynthesizer_initial --
+ * =============================================================================================================
+ */
+void RFSynthesizer_initial(struct hw_data *pHwData)
 {
 	u32	altmp[32];
-	u32 *	pltmp = altmp;
+	u32	*pltmp = altmp;
 	u32	ltmp;
-	u8	number=0x00; // The number of register vale
+	u8	number = 0x00; /* The number of register vale */
 	u8	i;
 
-	//
-	// bit[31]      SPI Enable.
-	//              1=perform synthesizer program operation. This bit will
-	//              cleared automatically after the operation is completed.
-	// bit[30]      SPI R/W Control
-	//              0=write,    1=read
-	// bit[29:24]   SPI Data Format Length
-	// bit[17:4 ]   RF Data bits.
-	// bit[3 :0 ]   RF address.
-	switch( pHwData->phy_type )
-	{
+	/*
+	 * bit[31]      SPI Enable.
+	 *              1=perform synthesizer program operation. This bit will
+	 *              cleared automatically after the operation is completed.
+	 * bit[30]      SPI R/W Control
+	 *              0=write,    1=read
+	 * bit[29:24]   SPI Data Format Length
+	 * bit[17:4 ]   RF Data bits.
+	 * bit[3 :0 ]   RF address.
+	 */
+	switch (pHwData->phy_type) {
 	case RF_MAXIM_2825:
-	case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331)
-		number = sizeof(max2825_rf_data)/sizeof(max2825_rf_data[0]);
-		for( i=0; i<number; i++ )
-		{
-			pHwData->phy_para[i] = max2825_rf_data[i];// Backup Rf parameter
-			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_rf_data[i], 18);
+	case RF_MAXIM_V1: /* 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331) */
+		number = sizeof(max2825_rf_data) / sizeof(max2825_rf_data[0]);
+		for (i = 0; i < number; i++) {
+			pHwData->phy_para[i] = max2825_rf_data[i]; /* Backup Rf parameter */
+			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2825_rf_data[i], 18);
 		}
 		break;
-
 	case RF_MAXIM_2827:
-		number = sizeof(max2827_rf_data)/sizeof(max2827_rf_data[0]);
-		for( i=0; i<number; i++ )
-		{
+		number = sizeof(max2827_rf_data) / sizeof(max2827_rf_data[0]);
+		for (i = 0; i < number; i++) {
 			pHwData->phy_para[i] = max2827_rf_data[i];
-			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_rf_data[i], 18);
+			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2827_rf_data[i], 18);
 		}
 		break;
-
 	case RF_MAXIM_2828:
-		number = sizeof(max2828_rf_data)/sizeof(max2828_rf_data[0]);
-		for( i=0; i<number; i++ )
-		{
+		number = sizeof(max2828_rf_data) / sizeof(max2828_rf_data[0]);
+		for (i = 0; i < number; i++) {
 			pHwData->phy_para[i] = max2828_rf_data[i];
-			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_rf_data[i], 18);
+			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2828_rf_data[i], 18);
 		}
 		break;
-
 	case RF_MAXIM_2829:
-		number = sizeof(max2829_rf_data)/sizeof(max2829_rf_data[0]);
-		for( i=0; i<number; i++ )
-		{
+		number = sizeof(max2829_rf_data) / sizeof(max2829_rf_data[0]);
+		for (i = 0; i < number; i++) {
 			pHwData->phy_para[i] = max2829_rf_data[i];
-			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2829_rf_data[i], 18);
+			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2829_rf_data[i], 18);
 		}
 		break;
-
 	case RF_AIROHA_2230:
-		number = sizeof(al2230_rf_data)/sizeof(al2230_rf_data[0]);
-		for( i=0; i<number; i++ )
-		{
+		number = sizeof(al2230_rf_data) / sizeof(al2230_rf_data[0]);
+		for (i = 0; i < number; i++) {
 			pHwData->phy_para[i] = al2230_rf_data[i];
-			pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_rf_data[i], 20);
+			pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse(al2230_rf_data[i], 20);
 		}
 		break;
-
 	case RF_AIROHA_2230S:
-		number = sizeof(al2230s_rf_data)/sizeof(al2230s_rf_data[0]);
-		for( i=0; i<number; i++ )
-		{
+		number = sizeof(al2230s_rf_data) / sizeof(al2230s_rf_data[0]);
+		for (i = 0; i < number; i++) {
 			pHwData->phy_para[i] = al2230s_rf_data[i];
-			pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230s_rf_data[i], 20);
+			pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse(al2230s_rf_data[i], 20);
 		}
 		break;
-
 	case RF_AIROHA_7230:
-
-		//Start to fill RF parameters, PLL_ON should be pulled low.
-		Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000000 );
-#ifdef _PE_STATE_DUMP_
+		/* Start to fill RF parameters, PLL_ON should be pulled low. */
+		Wb35Reg_WriteSync(pHwData, 0x03dc, 0x00000000);
+		#ifdef _PE_STATE_DUMP_
 		printk("* PLL_ON    low\n");
-#endif
-
-		number = sizeof(al7230_rf_data_24)/sizeof(al7230_rf_data_24[0]);
+		#endif
+		number = sizeof(al7230_rf_data_24) / sizeof(al7230_rf_data_24[0]);
 		Set_ChanIndep_RfData_al7230_24(pHwData, pltmp, number);
 		break;
-
 	case RF_WB_242:
-	case RF_WB_242_1: // 20060619.5 Add
-		number = sizeof(w89rf242_rf_data)/sizeof(w89rf242_rf_data[0]);
-		for( i=0; i<number; i++ )
-		{
+	case RF_WB_242_1:
+		number = sizeof(w89rf242_rf_data) / sizeof(w89rf242_rf_data[0]);
+		for (i = 0; i < number; i++) {
 			ltmp = w89rf242_rf_data[i];
-			if( i == 4 ) // Update the VCO trim from EEPROM
-			{
-				ltmp &= ~0xff0; // Mask bit4 ~bit11
-				ltmp |= pHwData->VCO_trim<<4;
+			if (i == 4) { /* Update the VCO trim from EEPROM */
+				ltmp &= ~0xff0; /* Mask bit4 ~bit11 */
+				ltmp |= pHwData->VCO_trim << 4;
 			}
 
 			pHwData->phy_para[i] = ltmp;
-			pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( ltmp, 24);
+			pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse(ltmp, 24);
 		}
 		break;
 	}
 
 	pHwData->phy_number = number;
 
-	 // The 16 is the maximum capability of hardware. Here use 12
-	if( number > 12 ) {
-		//Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 12, NO_INCREMENT );
-		for( i=0; i<12; i++ ) // For Al2230
-			Wb35Reg_WriteSync( pHwData, 0x0864, pltmp[i] );
+	/* The 16 is the maximum capability of hardware. Here use 12 */
+	if (number > 12) {
+		for (i = 0; i < 12; i++) /* For Al2230 */
+			Wb35Reg_WriteSync(pHwData, 0x0864, pltmp[i]);
 
 		pltmp += 12;
 		number -= 12;
 	}
 
-	// Write to register. number must less and equal than 16
-	for( i=0; i<number; i++ )
-		Wb35Reg_WriteSync( pHwData, 0x864, pltmp[i] );
+	/* Write to register. number must less and equal than 16 */
+	for (i = 0; i < number; i++)
+		Wb35Reg_WriteSync(pHwData, 0x864, pltmp[i]);
 
-	// 20060630.1 Calibration only 1 time
-	if( pHwData->CalOneTime )
+	/* Calibration only 1 time */
+	if (pHwData->CalOneTime)
 		return;
 	pHwData->CalOneTime = 1;
 
-	switch( pHwData->phy_type )
-	{
-		case RF_AIROHA_2230:
+	switch (pHwData->phy_type) {
+	case RF_AIROHA_2230:
+		ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x07 << 20) | 0xE168E, 20);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(10);
+		ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse(al2230_rf_data[7], 20);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(10);
+	case RF_AIROHA_2230S:
+		Wb35Reg_WriteSync(pHwData, 0x03d4, 0x80); /* regulator on only */
+		msleep(10);
+		Wb35Reg_WriteSync(pHwData, 0x03d4, 0xa0); /* PLL_PD REF_PD set to 0 */
+		msleep(10);
+		Wb35Reg_WriteSync(pHwData, 0x03d4, 0xe0); /* MLK_EN */
+		Wb35Reg_WriteSync(pHwData, 0x03b0, 1); /* Reset hardware first */
+		msleep(10);
+		/* ========================================================= */
 
-			// 20060511.1 --- Modifying the follow step for Rx issue-----------------
-			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x07<<20)|0xE168E, 20);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(10);
-			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_rf_data[7], 20);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(10);
+		/* The follow code doesn't use the burst-write mode */
+		ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x0F<<20) | 0xF01A0, 20);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
 
-		case RF_AIROHA_2230S: // 20060420 Add this
+		ltmp = pHwData->reg.BB5C & 0xfffff000;
+		Wb35Reg_WriteSync(pHwData, 0x105c, ltmp);
+		pHwData->reg.BB50 |= 0x13; /* (MASK_IQCAL_MODE|MASK_CALIB_START) */
+		Wb35Reg_WriteSync(pHwData, 0x1050, pHwData->reg.BB50);
+		msleep(5);
 
-			// 20060511.1 --- Modifying the follow step for Rx issue-----------------
-			Wb35Reg_WriteSync( pHwData, 0x03d4, 0x80 );// regulator on only
-			msleep(10); // Modify 20051221.1.b
+		ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x0F << 20) | 0xF01B0, 20);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
 
-			Wb35Reg_WriteSync( pHwData, 0x03d4, 0xa0 );// PLL_PD REF_PD set to 0
-			msleep(10); // Modify 20051221.1.b
+		ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x0F << 20) | 0xF01E0, 20);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
 
-			Wb35Reg_WriteSync( pHwData, 0x03d4, 0xe0 );// MLK_EN
-			Wb35Reg_WriteSync( pHwData, 0x03b0, 1 );// Reset hardware first
-			msleep(10); // Add this 20051221.1.b
-			//------------------------------------------------------------------------
+		ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x0F << 20) | 0xF01A0, 20);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp) ;
 
-			// The follow code doesn't use the burst-write mode
-			//phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01A0); //Raise Initial Setting
-			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01A0, 20);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+		Wb35Reg_WriteSync(pHwData, 0x105c, pHwData->reg.BB5C);
+		pHwData->reg.BB50 &= ~0x13; /* (MASK_IQCAL_MODE|MASK_CALIB_START); */
+		Wb35Reg_WriteSync(pHwData, 0x1050, pHwData->reg.BB50);
+		break;
+	case RF_AIROHA_7230:
+		/* RF parameters have filled completely, PLL_ON should be pulled high */
+		Wb35Reg_WriteSync(pHwData, 0x03dc, 0x00000080);
+		#ifdef _PE_STATE_DUMP_
+		printk("* PLL_ON    high\n");
+		#endif
 
-			ltmp = pHwData->reg.BB5C & 0xfffff000;
-			Wb35Reg_WriteSync( pHwData, 0x105c, ltmp );
-			pHwData->reg.BB50 |= 0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START);//20060315.1 modify
-	        	Wb35Reg_WriteSync(pHwData, 0x1050, pHwData->reg.BB50);
-			msleep(5);
+		/* 2.4GHz */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F;
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F;
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x1ABA8F;
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
 
-			//phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01B0); //Activate Filter Cal.
-			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01B0, 20);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5);
+		/* 5GHz */
+		Wb35Reg_WriteSync(pHwData, 0x03dc, 0x00000000);
+		#ifdef _PE_STATE_DUMP_
+		printk("* PLL_ON    low\n");
+		#endif
 
-			//phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01e0); //Activate TX DCC
-			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01E0, 20);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5);
+		number = sizeof(al7230_rf_data_50) / sizeof(al7230_rf_data_50[0]);
+		Set_ChanIndep_RfData_al7230_50(pHwData, pltmp, number);
+		/* Write to register. number must less and equal than 16 */
+		for (i = 0; i < number; i++)
+			Wb35Reg_WriteSync(pHwData, 0x0864, pltmp[i]);
+		msleep(5);
 
-			//phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01A0); //Resotre Initial Setting
-			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01A0, 20);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+		Wb35Reg_WriteSync(pHwData, 0x03dc, 0x00000080);
+		#ifdef _PE_STATE_DUMP_
+		printk("* PLL_ON    high\n");
+		#endif
 
-//			//Force TXI(Q)P(N) to normal control
-			Wb35Reg_WriteSync( pHwData, 0x105c, pHwData->reg.BB5C );
-			pHwData->reg.BB50 &= ~0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START);
-        	Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->reg.BB50);
-			break;
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F;
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F;
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x12BACF;
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
+		break;
+	case RF_WB_242:
+	case RF_WB_242_1:
+		 /* for FA5976A */
+		ltmp = pHwData->reg.BB5C & 0xfffff000;
+		Wb35Reg_WriteSync(pHwData, 0x105c, ltmp);
+		Wb35Reg_WriteSync(pHwData, 0x1058, 0);
+		pHwData->reg.BB50 |= 0x3; /* (MASK_IQCAL_MODE|MASK_CALIB_START); */
+		Wb35Reg_WriteSync(pHwData, 0x1050, pHwData->reg.BB50);
 
-		case RF_AIROHA_7230:
+		/* ----- Calibration (1). VCO frequency calibration */
+		/* Calibration (1a.0). Synthesizer reset */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x0F<<24) | 0x00101E, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
+		/* Calibration (1a). VCO frequency calibration mode ; waiting 2msec VCO calibration time */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFE69c0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(2);
 
-			//RF parameters have filled completely, PLL_ON should be
-			//pulled high
-			Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000080 );
-			#ifdef _PE_STATE_DUMP_
-			printk("* PLL_ON    high\n");
-			#endif
+		/* ----- Calibration (2). TX baseband Gm-C filter auto-tuning */
+		/* Calibration (2a). turn off ENCAL signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xF8EBC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (2b.0). TX filter auto-tuning BW: TFLBW=101 (TC5376A default) */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x07<<24) | 0x0C68CE, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (2b). send TX reset signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x0F<<24) | 0x00201E, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (2c). turn-on TX Gm-C filter auto-tuning */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFCEBC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		udelay(150); /* Sleep 150 us */
+		/* turn off ENCAL signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xF8EBC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
 
-			//2.4GHz
-			//ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x1ABA8F;
-			//Wb35Reg_WriteSync pHwData, 0x0864, ltmp );
-			//msleep(1); // Sleep 1 ms
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F;
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5);
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F;
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5);
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x1ABA8F;
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5);
+		/* ----- Calibration (3). RX baseband Gm-C filter auto-tuning */
+		/* Calibration (3a). turn off ENCAL signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (3b.0). RX filter auto-tuning BW: RFLBW=100 (TC5376A+corner default;) */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x07<<24) | 0x0C68CE, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (3b). send RX reset signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x0F<<24) | 0x00401E, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (3c). turn-on RX Gm-C filter auto-tuning */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFEEDC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		udelay(150); /* Sleep 150 us */
+		/* Calibration (3e). turn off ENCAL signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
 
-			//5GHz
-			Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000000 );
-			#ifdef _PE_STATE_DUMP_
-			printk("* PLL_ON    low\n");
-			#endif
+		/* ----- Calibration (4). TX LO leakage calibration */
+		/* Calibration (4a). TX LO leakage calibration */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFD6BC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		udelay(150); /* Sleep 150 us */
 
-			number = sizeof(al7230_rf_data_50)/sizeof(al7230_rf_data_50[0]);
-			Set_ChanIndep_RfData_al7230_50(pHwData, pltmp, number);
-			// Write to register. number must less and equal than 16
-			for( i=0; i<number; i++ )
-				Wb35Reg_WriteSync( pHwData, 0x0864, pltmp[i] );
-			msleep(5);
+		/* ----- Calibration (5). RX DC offset calibration */
+		/* Calibration (5a). turn off ENCAL signal and set to RX SW DC calibration mode */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (5b). turn off AGC servo-loop & RSSI */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x01<<24) | 0xEBFFC2, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
 
-			Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000080 );
-			#ifdef _PE_STATE_DUMP_
-			printk("* PLL_ON    high\n");
-			#endif
+		/* for LNA=11 -------- */
+		/* Calibration (5c-h). RX DC offset current bias ON; & LNA=11; RXVGA=111111 */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x06<<24) | 0x343FCC, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFF6DC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(2);
+		/* Calibration (5f). turn off ENCAL signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
 
-			//ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x12BACF;
-			//Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F;
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5);
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F;
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5);
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x12BACF;
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5);
+		/* for LNA=10 -------- */
+		/* Calibration (5c-m). RX DC offset current bias ON; & LNA=10; RXVGA=111111 */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x06<<24) | 0x342FCC, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFF6DC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(2);
+		/* Calibration (5f). turn off ENCAL signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
 
-			//Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000080 );
-			//printk("* PLL_ON    high\n");
-			break;
+		/* for LNA=01 -------- */
+		/* Calibration (5c-m). RX DC offset current bias ON; & LNA=01; RXVGA=111111 */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x06<<24) | 0x341FCC, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFF6DC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(2);
+		/* Calibration (5f). turn off ENCAL signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
 
-		case RF_WB_242:
-		case RF_WB_242_1: // 20060619.5 Add
+		/* for LNA=00 -------- */
+		/* Calibration (5c-l). RX DC offset current bias ON; & LNA=00; RXVGA=111111 */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x06<<24) | 0x340FCC, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFF6DC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(2);
+		/* Calibration (5f). turn off ENCAL signal */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		/* Calibration (5g). turn on AGC servo-loop */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x01<<24) | 0xEFFFC2, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
 
-			//
-			// ; Version 1.3B revision items: for FA5976A , October 3, 2005 by HTHo
-			//
-			ltmp = pHwData->reg.BB5C & 0xfffff000;
-			Wb35Reg_WriteSync( pHwData, 0x105c, ltmp );
-			Wb35Reg_WriteSync( pHwData, 0x1058, 0 );
-			pHwData->reg.BB50 |= 0x3;//(MASK_IQCAL_MODE|MASK_CALIB_START);//20060630
-		      	Wb35Reg_WriteSync(pHwData, 0x1050, pHwData->reg.BB50);
-
-			//----- Calibration (1). VCO frequency calibration
-			//Calibration (1a.0). Synthesizer reset (HTHo corrected 2005/05/10)
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00101E, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5); // Sleep 5ms
-			//Calibration (1a). VCO frequency calibration mode ; waiting 2msec VCO calibration time
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFE69c0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(2); // Sleep 2ms
-
-			//----- Calibration (2). TX baseband Gm-C filter auto-tuning
-			//Calibration (2a). turn off ENCAL signal
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF8EBC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (2b.0). TX filter auto-tuning BW: TFLBW=101 (TC5376A default)
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x07<<24) | 0x0C68CE, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (2b). send TX reset signal (HTHo corrected May 10, 2005)
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00201E, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (2c). turn-on TX Gm-C filter auto-tuning
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFCEBC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			udelay(150); // Sleep 150 us
-			//turn off ENCAL signal
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF8EBC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-
-			//----- Calibration (3). RX baseband Gm-C filter auto-tuning
-			//Calibration (3a). turn off ENCAL signal
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (3b.0). RX filter auto-tuning BW: RFLBW=100 (TC5376A+corner default; July 26, 2005)
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x07<<24) | 0x0C68CE, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (3b). send RX reset signal (HTHo corrected May 10, 2005)
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00401E, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (3c). turn-on RX Gm-C filter auto-tuning
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFEEDC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			udelay(150); // Sleep 150 us
-			//Calibration (3e). turn off ENCAL signal
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-
-			//----- Calibration (4). TX LO leakage calibration
-			//Calibration (4a). TX LO leakage calibration
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFD6BC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			udelay(150); // Sleep 150 us
-
-			//----- Calibration (5). RX DC offset calibration
-			//Calibration (5a). turn off ENCAL signal and set to RX SW DC caliration mode
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (5b). turn off AGC servo-loop & RSSI
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x01<<24) | 0xEBFFC2, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-
-			//; for LNA=11 --------
-			//Calibration (5c-h). RX DC offset current bias ON; & LNA=11; RXVGA=111111
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x343FCC, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(2); // Sleep 2ms
-			//Calibration (5f). turn off ENCAL signal
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-
-			//; for LNA=10 --------
-			//Calibration (5c-m). RX DC offset current bias ON; & LNA=10; RXVGA=111111
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x342FCC, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(2); // Sleep 2ms
-			//Calibration (5f). turn off ENCAL signal
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-
-			//; for LNA=01 --------
-			//Calibration (5c-m). RX DC offset current bias ON; & LNA=01; RXVGA=111111
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x341FCC, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(2); // Sleep 2ms
-			//Calibration (5f). turn off ENCAL signal
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-
-			//; for LNA=00 --------
-			//Calibration (5c-l). RX DC offset current bias ON; & LNA=00; RXVGA=111111
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x340FCC, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(2); // Sleep 2ms
-			//Calibration (5f). turn off ENCAL signal
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			//Calibration (5g). turn on AGC servo-loop
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x01<<24) | 0xEFFFC2, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-
-			//; ----- Calibration (7). Switch RF chip to normal mode
-			//0x00 0xF86100 ; 3E184   ; Switch RF chip to normal mode
-//			msleep(10); // @@ 20060721
-			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF86100, 24);
-			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
-			msleep(5); // Sleep 5 ms
-
-//			//write back
-//			Wb35Reg_WriteSync(pHwData, 0x105c, pHwData->reg.BB5C);
-//			pHwData->reg.BB50 &= ~0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START); // 20060315.1 fix
-//		      	Wb35Reg_WriteSync(pHwData, 0x1050, pHwData->reg.BB50);
-//			msleep(1); // Sleep 1 ms
-			break;
+		/* ----- Calibration (7). Switch RF chip to normal mode */
+		/* 0x00 0xF86100 ; 3E184   ; Switch RF chip to normal mode */
+		ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xF86100, 24);
+		Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
+		msleep(5);
+		break;
 	}
 }
 
-void BBProcessor_AL7230_2400(  struct hw_data * pHwData)
+void BBProcessor_AL7230_2400(struct hw_data *pHwData)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 	u32	pltmp[12];
 
-	pltmp[0] = 0x16A8337A; // 0x16a5215f; // 0x1000 AGC_Ctrl1
-	pltmp[1] = 0x9AFF9AA6; // 0x9aff9ca6; // 0x1004 AGC_Ctrl2
-	pltmp[2] = 0x55D00A04; // 0x55d00a04; // 0x1008 AGC_Ctrl3
-	pltmp[3] = 0xFFF72031; // 0xFfFf2138; // 0x100c AGC_Ctrl4
+	pltmp[0] = 0x16A8337A; /* 0x1000 AGC_Ctrl1 */
+	pltmp[1] = 0x9AFF9AA6; /* 0x1004 AGC_Ctrl2 */
+	pltmp[2] = 0x55D00A04; /* 0x1008 AGC_Ctrl3 */
+	pltmp[3] = 0xFFF72031; /* 0x100c AGC_Ctrl4 */
 	reg->BB0C = 0xFFF72031;
-	pltmp[4] = 0x0FacDCC5; // 0x1010 AGC_Ctrl5 // 20050927 0x0FacDCB7
-	pltmp[5] = 0x00CAA333; // 0x00eaa333; // 0x1014 AGC_Ctrl6
-	pltmp[6] = 0xF2211111; // 0x11111111; // 0x1018 AGC_Ctrl7
-	pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-	pltmp[8] = 0x06443440; // 0x1020 AGC_Ctrl9
-	pltmp[9] = 0xA8002A79; // 0xa9002A79; // 0x1024 AGC_Ctrl10
-	pltmp[10] = 0x40000528; // 20050927 0x40000228
-	pltmp[11] = 0x232D7F30; // 0x23457f30;// 0x102c A_ACQ_Ctrl
+	pltmp[4] = 0x0FacDCC5; /* 0x1010 AGC_Ctrl5 */
+	pltmp[5] = 0x00CAA333; /* 0x1014 AGC_Ctrl6 */
+	pltmp[6] = 0xF2211111; /* 0x1018 AGC_Ctrl7 */
+	pltmp[7] = 0x0FA3F0ED; /* 0x101c AGC_Ctrl8 */
+	pltmp[8] = 0x06443440; /* 0x1020 AGC_Ctrl9 */
+	pltmp[9] = 0xA8002A79; /* 0x1024 AGC_Ctrl10 */
+	pltmp[10] = 0x40000528;
+	pltmp[11] = 0x232D7F30; /* 0x102c A_ACQ_Ctrl */
 	reg->BB2C = 0x232D7F30;
-	Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+	Wb35Reg_BurstWrite(pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT);
 
-	pltmp[0] = 0x00002c54; // 0x1030 B_ACQ_Ctrl
+	pltmp[0] = 0x00002c54; /* 0x1030 B_ACQ_Ctrl */
 	reg->BB30 = 0x00002c54;
-	pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-	pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl
-	pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+	pltmp[1] = 0x00C0D6C5; /* 0x1034 A_TXRX_Ctrl */
+	pltmp[2] = 0x5B2C8769; /* 0x1038 B_TXRX_Ctrl */
+	pltmp[3] = 0x00000000; /* 0x103c 11a TX LS filter */
 	reg->BB3C = 0x00000000;
-	pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-	pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-	pltmp[6] = 0x00332C1B; // 0x00453B24; // 0x1048 11b TX RC filter
-	pltmp[7] = 0x0A00FEFF; // 0x0E00FEFF; // 0x104c 11b TX RC filter
-	pltmp[8] = 0x2B106208; // 0x1050 MODE_Ctrl
+	pltmp[4] = 0x00003F29; /* 0x1040 11a TX LS filter */
+	pltmp[5] = 0x0EFEFBFE; /* 0x1044 11a TX LS filter */
+	pltmp[6] = 0x00332C1B; /* 0x1048 11b TX RC filter */
+	pltmp[7] = 0x0A00FEFF; /* 0x104c 11b TX RC filter */
+	pltmp[8] = 0x2B106208; /* 0x1050 MODE_Ctrl */
 	reg->BB50 = 0x2B106208;
-	pltmp[9] = 0; // 0x1054
+	pltmp[9] = 0;		/* 0x1054 */
 	reg->BB54 = 0x00000000;
-	pltmp[10] = 0x52524242; // 0x64645252; // 0x1058 IQ_Alpha
+	pltmp[10] = 0x52524242; /* 0x1058 IQ_Alpha */
 	reg->BB58 = 0x52524242;
-	pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
-	Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
-
+	pltmp[11] = 0xAA0AC000; /* 0x105c DC_Cancel */
+	Wb35Reg_BurstWrite(pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT);
 }
 
-void BBProcessor_AL7230_5000(  struct hw_data * pHwData)
+void BBProcessor_AL7230_5000(struct hw_data *pHwData)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 	u32	pltmp[12];
 
-	pltmp[0] = 0x16AA6678; // 0x1000 AGC_Ctrl1
-	pltmp[1] = 0x9AFFA0B2; // 0x1004 AGC_Ctrl2
-	pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3
-	pltmp[3] = 0xEFFF233E; // 0x100c AGC_Ctrl4
+	pltmp[0] = 0x16AA6678; /* 0x1000 AGC_Ctrl1 */
+	pltmp[1] = 0x9AFFA0B2; /* 0x1004 AGC_Ctrl2 */
+	pltmp[2] = 0x55D00A04; /* 0x1008 AGC_Ctrl3 */
+	pltmp[3] = 0xEFFF233E; /* 0x100c AGC_Ctrl4 */
 	reg->BB0C = 0xEFFF233E;
-	pltmp[4] = 0x0FacDCC5; // 0x1010 AGC_Ctrl5 // 20050927 0x0FacDCB7
-	pltmp[5] = 0x00CAA333; // 0x1014 AGC_Ctrl6
-	pltmp[6] = 0xF2432111; // 0x1018 AGC_Ctrl7
-	pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-	pltmp[8] = 0x05C43440; // 0x1020 AGC_Ctrl9
-	pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
-	pltmp[10] = 0x40000528; // 20050927 0x40000228
-	pltmp[11] = 0x232FDF30;// 0x102c A_ACQ_Ctrl
+	pltmp[4] = 0x0FacDCC5; /* 0x1010 AGC_Ctrl5 */
+	pltmp[5] = 0x00CAA333; /* 0x1014 AGC_Ctrl6 */
+	pltmp[6] = 0xF2432111; /* 0x1018 AGC_Ctrl7 */
+	pltmp[7] = 0x0FA3F0ED; /* 0x101c AGC_Ctrl8 */
+	pltmp[8] = 0x05C43440; /* 0x1020 AGC_Ctrl9 */
+	pltmp[9] = 0x00002A79; /* 0x1024 AGC_Ctrl10 */
+	pltmp[10] = 0x40000528;
+	pltmp[11] = 0x232FDF30;/* 0x102c A_ACQ_Ctrl */
 	reg->BB2C = 0x232FDF30;
-	Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+	Wb35Reg_BurstWrite(pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT);
 
-	pltmp[0] = 0x80002C7C; // 0x1030 B_ACQ_Ctrl
-	pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-	pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl
-	pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+	pltmp[0] = 0x80002C7C; /* 0x1030 B_ACQ_Ctrl */
+	pltmp[1] = 0x00C0D6C5; /* 0x1034 A_TXRX_Ctrl */
+	pltmp[2] = 0x5B2C8769; /* 0x1038 B_TXRX_Ctrl */
+	pltmp[3] = 0x00000000; /* 0x103c 11a TX LS filter */
 	reg->BB3C = 0x00000000;
-	pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-	pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-	pltmp[6] = 0x00332C1B; // 0x1048 11b TX RC filter
-	pltmp[7] = 0x0A00FEFF; // 0x104c 11b TX RC filter
-	pltmp[8] = 0x2B107208; // 0x1050 MODE_Ctrl
+	pltmp[4] = 0x00003F29; /* 0x1040 11a TX LS filter */
+	pltmp[5] = 0x0EFEFBFE; /* 0x1044 11a TX LS filter */
+	pltmp[6] = 0x00332C1B; /* 0x1048 11b TX RC filter */
+	pltmp[7] = 0x0A00FEFF; /* 0x104c 11b TX RC filter */
+	pltmp[8] = 0x2B107208; /* 0x1050 MODE_Ctrl */
 	reg->BB50 = 0x2B107208;
-	pltmp[9] = 0; // 0x1054
+	pltmp[9] = 0;		/* 0x1054 */
 	reg->BB54 = 0x00000000;
-	pltmp[10] = 0x52524242; // 0x1058 IQ_Alpha
+	pltmp[10] = 0x52524242; /* 0x1058 IQ_Alpha */
 	reg->BB58 = 0x52524242;
-	pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
-	Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
-
+	pltmp[11] = 0xAA0AC000; /* 0x105c DC_Cancel */
+	Wb35Reg_BurstWrite(pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT);
 }
 
-//=============================================================================================================
-//  BBProcessorPowerupInit --
-//
-//  Description:
-//    Initialize the Baseband processor.
-//
-//  Arguments:
-//    pHwData    - Handle of the USB Device.
-//
-//  Return values:
-//    None.
-//=============================================================================================================
-void
-BBProcessor_initial(  struct hw_data * pHwData )
+/*
+ * ===========================================================================
+ *  BBProcessorPowerupInit --
+ *
+ *  Description:
+ *    Initialize the Baseband processor.
+ *
+ *  Arguments:
+ *    pHwData    - Handle of the USB Device.
+ *
+ *  Return values:
+ *    None.
+ *============================================================================
+ */
+void BBProcessor_initial(struct hw_data *pHwData)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 	u32	i, pltmp[12];
 
-    switch( pHwData->phy_type )
-    {
-		case RF_MAXIM_V1: // Initializng the Winbond 2nd BB(with Phy board (v1) + Maxim 331)
+	switch (pHwData->phy_type) {
+	case RF_MAXIM_V1: /* Initializng the Winbond 2nd BB(with Phy board (v1) + Maxim 331) */
+		pltmp[0] = 0x16F47E77; /* 0x1000 AGC_Ctrl1 */
+		pltmp[1] = 0x9AFFAEA4; /* 0x1004 AGC_Ctrl2 */
+		pltmp[2] = 0x55D00A04; /* 0x1008 AGC_Ctrl3 */
+		pltmp[3] = 0xEFFF1A34; /* 0x100c AGC_Ctrl4 */
+		reg->BB0C = 0xEFFF1A34;
+		pltmp[4] = 0x0FABE0B7; /* 0x1010 AGC_Ctrl5 */
+		pltmp[5] = 0x00CAA332; /* 0x1014 AGC_Ctrl6 */
+		pltmp[6] = 0xF6632111; /* 0x1018 AGC_Ctrl7 */
+		pltmp[7] = 0x0FA3F0ED; /* 0x101c AGC_Ctrl8 */
+		pltmp[8] = 0x04CC3640; /* 0x1020 AGC_Ctrl9 */
+		pltmp[9] = 0x00002A79; /* 0x1024 AGC_Ctrl10 */
+		pltmp[10] = (pHwData->phy_type == 3) ? 0x40000a28 : 0x40000228; /* 0x1028 MAXIM_331(b31=0) + WBRF_V1(b11=1) : MAXIM_331(b31=0) + WBRF_V2(b11=0) */
+		pltmp[11] = 0x232FDF30; /* 0x102c A_ACQ_Ctrl */
+		reg->BB2C = 0x232FDF30; /* Modify for 33's 1.0.95.xxx version, antenna 1 */
+		Wb35Reg_BurstWrite(pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT);
 
-			pltmp[0] = 0x16F47E77; // 0x1000 AGC_Ctrl1
-			pltmp[1] = 0x9AFFAEA4; // 0x1004 AGC_Ctrl2
-			pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3
-			pltmp[3] = 0xEFFF1A34; // 0x100c AGC_Ctrl4
-			reg->BB0C = 0xEFFF1A34;
-			pltmp[4] = 0x0FABE0B7; // 0x1010 AGC_Ctrl5
-			pltmp[5] = 0x00CAA332; // 0x1014 AGC_Ctrl6
-			pltmp[6] = 0xF6632111; // 0x1018 AGC_Ctrl7
-			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-			pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9
-			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
-			pltmp[10] = (pHwData->phy_type==3) ? 0x40000a28 : 0x40000228; // 0x1028 MAXIM_331(b31=0) + WBRF_V1(b11=1) : MAXIM_331(b31=0) + WBRF_V2(b11=0)
-			pltmp[11] = 0x232FDF30; // 0x102c A_ACQ_Ctrl
-			reg->BB2C = 0x232FDF30; //Modify for 33's 1.0.95.xxx version, antenna 1
-			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+		pltmp[0] = 0x00002C54; /* 0x1030 B_ACQ_Ctrl */
+		reg->BB30 = 0x00002C54;
+		pltmp[1] = 0x00C0D6C5; /* 0x1034 A_TXRX_Ctrl */
+		pltmp[2] = 0x5B6C8769; /* 0x1038 B_TXRX_Ctrl */
+		pltmp[3] = 0x00000000; /* 0x103c 11a TX LS filter */
+		reg->BB3C = 0x00000000;
+		pltmp[4] = 0x00003F29; /* 0x1040 11a TX LS filter */
+		pltmp[5] = 0x0EFEFBFE; /* 0x1044 11a TX LS filter */
+		pltmp[6] = 0x00453B24; /* 0x1048 11b TX RC filter */
+		pltmp[7] = 0x0E00FEFF; /* 0x104c 11b TX RC filter */
+		pltmp[8] = 0x27106208; /* 0x1050 MODE_Ctrl */
+		reg->BB50 = 0x27106208;
+		pltmp[9] = 0;		/* 0x1054 */
+		reg->BB54 = 0x00000000;
+		pltmp[10] = 0x64646464; /* 0x1058 IQ_Alpha */
+		reg->BB58 = 0x64646464;
+		pltmp[11] = 0xAA0AC000; /* 0x105c DC_Cancel */
+		Wb35Reg_BurstWrite(pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT);
 
-			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
-			reg->BB30 = 0x00002C54;
-			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-			pltmp[2] = 0x5B6C8769; // 0x1038 B_TXRX_Ctrl
-			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
-			reg->BB3C = 0x00000000;
-			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-			pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter
-			pltmp[7] = 0x0E00FEFF; // 0x104c 11b TX RC filter
-			pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl
-			reg->BB50 = 0x27106208;
-			pltmp[9] = 0; // 0x1054
-			reg->BB54 = 0x00000000;
-			pltmp[10] = 0x64646464; // 0x1058 IQ_Alpha
-			reg->BB58 = 0x64646464;
-			pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
-			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+		Wb35Reg_Write(pHwData, 0x1070, 0x00000045);
+		break;
 
-			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
-			break;
+	case RF_MAXIM_2825:
+	case RF_MAXIM_2827:
+	case RF_MAXIM_2828:
+		pltmp[0] = 0x16b47e77; /* 0x1000 AGC_Ctrl1 */
+		pltmp[1] = 0x9affaea4; /* 0x1004 AGC_Ctrl2 */
+		pltmp[2] = 0x55d00a04; /* 0x1008 AGC_Ctrl3 */
+		pltmp[3] = 0xefff1a34; /* 0x100c AGC_Ctrl4 */
+		reg->BB0C = 0xefff1a34;
+		pltmp[4] = 0x0fabe0b7; /* 0x1010 AGC_Ctrl5 */
+		pltmp[5] = 0x00caa332; /* 0x1014 AGC_Ctrl6 */
+		pltmp[6] = 0xf6632111; /* 0x1018 AGC_Ctrl7 */
+		pltmp[7] = 0x0FA3F0ED; /* 0x101c AGC_Ctrl8 */
+		pltmp[8] = 0x04CC3640; /* 0x1020 AGC_Ctrl9 */
+		pltmp[9] = 0x00002A79; /* 0x1024 AGC_Ctrl10 */
+		pltmp[10] = 0x40000528;
+		pltmp[11] = 0x232fdf30; /* 0x102c A_ACQ_Ctrl */
+		reg->BB2C = 0x232fdf30; /* antenna 1 */
+		Wb35Reg_BurstWrite(pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT);
 
-		//------------------------------------------------------------------
-		//[20040722 WK]
-		//Only for baseband version 2
-//		case RF_MAXIM_317:
-		case RF_MAXIM_2825:
-		case RF_MAXIM_2827:
-		case RF_MAXIM_2828:
+		pltmp[0] = 0x00002C54; /* 0x1030 B_ACQ_Ctrl */
+		reg->BB30 = 0x00002C54;
+		pltmp[1] = 0x00C0D6C5; /* 0x1034 A_TXRX_Ctrl */
+		pltmp[2] = 0x5B6C8769; /* 0x1038 B_TXRX_Ctrl */
+		pltmp[3] = 0x00000000; /* 0x103c 11a TX LS filter */
+		reg->BB3C = 0x00000000;
+		pltmp[4] = 0x00003F29; /* 0x1040 11a TX LS filter */
+		pltmp[5] = 0x0EFEFBFE; /* 0x1044 11a TX LS filter */
+		pltmp[6] = 0x00453B24; /* 0x1048 11b TX RC filter */
+		pltmp[7] = 0x0D00FDFF; /* 0x104c 11b TX RC filter */
+		pltmp[8] = 0x27106208; /* 0x1050 MODE_Ctrl */
+		reg->BB50 = 0x27106208;
+		pltmp[9] = 0;		/* 0x1054 */
+		reg->BB54 = 0x00000000;
+		pltmp[10] = 0x64646464; /* 0x1058 IQ_Alpha */
+		reg->BB58 = 0x64646464;
+		pltmp[11] = 0xAA28C000; /* 0x105c DC_Cancel */
+		Wb35Reg_BurstWrite(pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT);
 
-			pltmp[0] = 0x16b47e77; // 0x1000 AGC_Ctrl1
-			pltmp[1] = 0x9affaea4; // 0x1004 AGC_Ctrl2
-			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
-			pltmp[3] = 0xefff1a34; // 0x100c AGC_Ctrl4
-			reg->BB0C = 0xefff1a34;
-			pltmp[4] = 0x0fabe0b7; // 0x1010 AGC_Ctrl5
-			pltmp[5] = 0x00caa332; // 0x1014 AGC_Ctrl6
-			pltmp[6] = 0xf6632111; // 0x1018 AGC_Ctrl7
-			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-			pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9
-			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
-			pltmp[10] = 0x40000528; // 0x40000128; Modify for 33's 1.0.95
-			pltmp[11] = 0x232fdf30; // 0x102c A_ACQ_Ctrl
-			reg->BB2C = 0x232fdf30; //Modify for 33's 1.0.95.xxx version, antenna 1
-			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+		Wb35Reg_Write(pHwData, 0x1070, 0x00000045);
+		break;
 
-			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
-			reg->BB30 = 0x00002C54;
-			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-			pltmp[2] = 0x5B6C8769; // 0x1038 B_TXRX_Ctrl
-			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
-			reg->BB3C = 0x00000000;
-			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-			pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter
-			pltmp[7] = 0x0D00FDFF; // 0x104c 11b TX RC filter
-			pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl
-			reg->BB50 = 0x27106208;
-			pltmp[9] = 0; // 0x1054
-			reg->BB54 = 0x00000000;
-			pltmp[10] = 0x64646464; // 0x1058 IQ_Alpha
-			reg->BB58 = 0x64646464;
-			pltmp[11] = 0xAA28C000; // 0x105c DC_Cancel
-			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+	case RF_MAXIM_2829:
+		pltmp[0] = 0x16b47e77; /* 0x1000 AGC_Ctrl1 */
+		pltmp[1] = 0x9affaea4; /* 0x1004 AGC_Ctrl2 */
+		pltmp[2] = 0x55d00a04; /* 0x1008 AGC_Ctrl3 */
+		pltmp[3] = 0xf4ff1632; /* 0x100c AGC_Ctrl4 */
+		reg->BB0C = 0xf4ff1632;
+		pltmp[4] = 0x0fabe0b7; /* 0x1010 AGC_Ctrl5 */
+		pltmp[5] = 0x00caa332; /* 0x1014 AGC_Ctrl6 */
+		pltmp[6] = 0xf8632112; /* 0x1018 AGC_Ctrl7 */
+		pltmp[7] = 0x0FA3F0ED; /* 0x101c AGC_Ctrl8 */
+		pltmp[8] = 0x04CC3640; /* 0x1020 AGC_Ctrl9 */
+		pltmp[9] = 0x00002A79; /* 0x1024 AGC_Ctrl10 */
+		pltmp[10] = 0x40000528;
+		pltmp[11] = 0x232fdf30; /* 0x102c A_ACQ_Ctrl */
+		reg->BB2C = 0x232fdf30; /* antenna 1 */
+		Wb35Reg_BurstWrite(pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT);
 
-			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
-			break;
+		pltmp[0] = 0x00002C54; /* 0x1030 B_ACQ_Ctrl */
+		reg->BB30 = 0x00002C54;
+		pltmp[1] = 0x00C0D6C5; /* 0x1034 A_TXRX_Ctrl */
+		pltmp[2] = 0x5b2c8769; /* 0x1038 B_TXRX_Ctrl */
+		pltmp[3] = 0x00000000; /* 0x103c 11a TX LS filter */
+		reg->BB3C = 0x00000000;
+		pltmp[4] = 0x00003F29; /* 0x1040 11a TX LS filter */
+		pltmp[5] = 0x0EFEFBFE; /* 0x1044 11a TX LS filter */
+		pltmp[6] = 0x002c2617; /* 0x1048 11b TX RC filter */
+		pltmp[7] = 0x0800feff; /* 0x104c 11b TX RC filter */
+		pltmp[8] = 0x27106208; /* 0x1050 MODE_Ctrl */
+		reg->BB50 = 0x27106208;
+		pltmp[9] = 0;		/* 0x1054 */
+		reg->BB54 = 0x00000000;
+		pltmp[10] = 0x64644a4a; /* 0x1058 IQ_Alpha */
+		reg->BB58 = 0x64646464;
+		pltmp[11] = 0xAA28C000; /* 0x105c DC_Cancel */
+		Wb35Reg_BurstWrite(pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT);
+		Wb35Reg_Write(pHwData, 0x1070, 0x00000045);
+		break;
+	case RF_AIROHA_2230:
+		pltmp[0] = 0X16764A77; /* 0x1000 AGC_Ctrl1 */
+		pltmp[1] = 0x9affafb2; /* 0x1004 AGC_Ctrl2 */
+		pltmp[2] = 0x55d00a04; /* 0x1008 AGC_Ctrl3 */
+		pltmp[3] = 0xFFFd203c; /* 0x100c AGC_Ctrl4 */
+		reg->BB0C = 0xFFFd203c;
+		pltmp[4] = 0X0FBFDCc5; /* 0x1010 AGC_Ctrl5 */
+		pltmp[5] = 0x00caa332; /* 0x1014 AGC_Ctrl6 */
+		pltmp[6] = 0XF6632111; /* 0x1018 AGC_Ctrl7 */
+		pltmp[7] = 0x0FA3F0ED; /* 0x101c AGC_Ctrl8 */
+		pltmp[8] = 0x04C43640; /* 0x1020 AGC_Ctrl9 */
+		pltmp[9] = 0x00002A79; /* 0x1024 AGC_Ctrl10 */
+		pltmp[10] = 0X40000528;
+		pltmp[11] = 0x232dfF30; /* 0x102c A_ACQ_Ctrl */
+		reg->BB2C = 0x232dfF30; /* antenna 1 */
+		Wb35Reg_BurstWrite(pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT);
 
-		case RF_MAXIM_2829:
+		pltmp[0] = 0x00002C54; /* 0x1030 B_ACQ_Ctrl */
+		reg->BB30 = 0x00002C54;
+		pltmp[1] = 0x00C0D6C5; /* 0x1034 A_TXRX_Ctrl */
+		pltmp[2] = 0x5B2C8769; /* 0x1038 B_TXRX_Ctrl */
+		pltmp[3] = 0x00000000; /* 0x103c 11a TX LS filter */
+		reg->BB3C = 0x00000000;
+		pltmp[4] = 0x00003F29; /* 0x1040 11a TX LS filter */
+		pltmp[5] = 0x0EFEFBFE; /* 0x1044 11a TX LS filter */
+		pltmp[6] = BB48_DEFAULT_AL2230_11G; /* 0x1048 11b TX RC filter */
+		reg->BB48 = BB48_DEFAULT_AL2230_11G; /* 20051221 ch14 */
+		pltmp[7] = BB4C_DEFAULT_AL2230_11G; /* 0x104c 11b TX RC filter */
+		reg->BB4C = BB4C_DEFAULT_AL2230_11G;
+		pltmp[8] = 0x27106200; /* 0x1050 MODE_Ctrl */
+		reg->BB50 = 0x27106200;
+		pltmp[9] = 0;		/* 0x1054 */
+		reg->BB54 = 0x00000000;
+		pltmp[10] = 0x52524242; /* 0x1058 IQ_Alpha */
+		reg->BB58 = 0x52524242;
+		pltmp[11] = 0xAA0AC000; /* 0x105c DC_Cancel */
+		Wb35Reg_BurstWrite(pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT);
 
-			pltmp[0] = 0x16b47e77; // 0x1000 AGC_Ctrl1
-			pltmp[1] = 0x9affaea4; // 0x1004 AGC_Ctrl2
-			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
-			pltmp[3] = 0xf4ff1632; // 0xefff1a34; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95
-			reg->BB0C = 0xf4ff1632; // 0xefff1a34; Modify for 33's 1.0.95
-			pltmp[4] = 0x0fabe0b7; // 0x1010 AGC_Ctrl5
-			pltmp[5] = 0x00caa332; // 0x1014 AGC_Ctrl6
-			pltmp[6] = 0xf8632112; // 0xf6632111; // 0x1018 AGC_Ctrl7 Modify for 33's 1.0.95
-			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-			pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9
-			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
-			pltmp[10] = 0x40000528; // 0x40000128; modify for 33's 1.0.95
-			pltmp[11] = 0x232fdf30; // 0x102c A_ACQ_Ctrl
-			reg->BB2C = 0x232fdf30; //Modify for 33's 1.0.95.xxx version, antenna 1
-			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+		Wb35Reg_Write(pHwData, 0x1070, 0x00000045);
+		break;
+	case RF_AIROHA_2230S:
+		pltmp[0] = 0X16764A77; /* 0x1000 AGC_Ctrl1 */
+		pltmp[1] = 0x9affafb2; /* 0x1004 AGC_Ctrl2 */
+		pltmp[2] = 0x55d00a04; /* 0x1008 AGC_Ctrl3 */
+		pltmp[3] = 0xFFFd203c; /* 0x100c AGC_Ctrl4 */
+		reg->BB0C = 0xFFFd203c;
+		pltmp[4] = 0X0FBFDCc5; /* 0x1010 AGC_Ctrl5 */
+		pltmp[5] = 0x00caa332; /* 0x1014 AGC_Ctrl6 */
+		pltmp[6] = 0XF6632111; /* 0x1018 AGC_Ctrl7 */
+		pltmp[7] = 0x0FA3F0ED; /* 0x101c AGC_Ctrl8 */
+		pltmp[8] = 0x04C43640; /* 0x1020 AGC_Ctrl9 */
+		pltmp[9] = 0x00002A79; /* 0x1024 AGC_Ctrl10 */
+		pltmp[10] = 0X40000528;
+		pltmp[11] = 0x232dfF30; /* 0x102c A_ACQ_Ctrl */
+		reg->BB2C = 0x232dfF30; /* antenna 1 */
+		Wb35Reg_BurstWrite(pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT);
 
-			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
-			reg->BB30 = 0x00002C54;
-			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-			pltmp[2] = 0x5b2c8769; // 0x5B6C8769; // 0x1038 B_TXRX_Ctrl Modify for 33's 1.0.95
-			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
-			reg->BB3C = 0x00000000;
-			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-			pltmp[6] = 0x002c2617; // 0x00453B24; // 0x1048 11b TX RC filter Modify for 33's 1.0.95
-			pltmp[7] = 0x0800feff; // 0x0D00FDFF; // 0x104c 11b TX RC filter Modify for 33's 1.0.95
-			pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl
-			reg->BB50 = 0x27106208;
-			pltmp[9] = 0; // 0x1054
-			reg->BB54 = 0x00000000;
-			pltmp[10] = 0x64644a4a; // 0x64646464; // 0x1058 IQ_Alpha Modify for 33's 1.0.95
-			reg->BB58 = 0x64646464;
-			pltmp[11] = 0xAA28C000; // 0x105c DC_Cancel
-			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+		pltmp[0] = 0x00002C54; /* 0x1030 B_ACQ_Ctrl */
+		reg->BB30 = 0x00002C54;
+		pltmp[1] = 0x00C0D6C5; /* 0x1034 A_TXRX_Ctrl */
+		pltmp[2] = 0x5B2C8769; /* 0x1038 B_TXRX_Ctrl */
+		pltmp[3] = 0x00000000; /* 0x103c 11a TX LS filter */
+		reg->BB3C = 0x00000000;
+		pltmp[4] = 0x00003F29; /* 0x1040 11a TX LS filter */
+		pltmp[5] = 0x0EFEFBFE; /* 0x1044 11a TX LS filter */
+		pltmp[6] = BB48_DEFAULT_AL2230_11G; /* 0x1048 11b TX RC filter */
+		reg->BB48 = BB48_DEFAULT_AL2230_11G; /* ch14 */
+		pltmp[7] = BB4C_DEFAULT_AL2230_11G; /* 0x104c 11b TX RC filter */
+		reg->BB4C = BB4C_DEFAULT_AL2230_11G;
+		pltmp[8] = 0x27106200; /* 0x1050 MODE_Ctrl */
+		reg->BB50 = 0x27106200;
+		pltmp[9] = 0;		/* 0x1054 */
+		reg->BB54 = 0x00000000;
+		pltmp[10] = 0x52523232; /* 0x1058 IQ_Alpha */
+		reg->BB58 = 0x52523232;
+		pltmp[11] = 0xAA0AC000; /* 0x105c DC_Cancel */
+		Wb35Reg_BurstWrite(pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT);
 
-			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
-			break;
+		Wb35Reg_Write(pHwData, 0x1070, 0x00000045);
+		break;
+	case RF_AIROHA_7230:
+		BBProcessor_AL7230_2400(pHwData);
 
-		case RF_AIROHA_2230:
+		Wb35Reg_Write(pHwData, 0x1070, 0x00000045);
+		break;
+	case RF_WB_242:
+	case RF_WB_242_1:
+		pltmp[0] = 0x16A8525D; /* 0x1000 AGC_Ctrl1 */
+		pltmp[1] = 0x9AFF9ABA; /* 0x1004 AGC_Ctrl2 */
+		pltmp[2] = 0x55D00A04; /* 0x1008 AGC_Ctrl3 */
+		pltmp[3] = 0xEEE91C32; /* 0x100c AGC_Ctrl4 */
+		reg->BB0C = 0xEEE91C32;
+		pltmp[4] = 0x0FACDCC5; /* 0x1010 AGC_Ctrl5 */
+		pltmp[5] = 0x000AA344; /* 0x1014 AGC_Ctrl6 */
+		pltmp[6] = 0x22222221; /* 0x1018 AGC_Ctrl7 */
+		pltmp[7] = 0x0FA3F0ED; /* 0x101c AGC_Ctrl8 */
+		pltmp[8] = 0x04CC3440; /* 0x1020 AGC_Ctrl9 */
+		pltmp[9] = 0xA9002A79; /* 0x1024 AGC_Ctrl10 */
+		pltmp[10] = 0x40000528; /* 0x1028 */
+		pltmp[11] = 0x23457F30; /* 0x102c A_ACQ_Ctrl */
+		reg->BB2C = 0x23457F30;
+		Wb35Reg_BurstWrite(pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT);
 
-			pltmp[0] = 0X16764A77; // 0x1000 AGC_Ctrl1		//0x16765A77
-			pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2
-			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
-			pltmp[3] = 0xFFFd203c; // 0xFFFb203a; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95.xxx version
-			reg->BB0C = 0xFFFd203c;
-			pltmp[4] = 0X0FBFDCc5; // 0X0FBFDCA0; // 0x1010 AGC_Ctrl5 //0x0FB2E0B7 Modify for 33's 1.0.95.xxx version
-			pltmp[5] = 0x00caa332; // 0x00caa333; // 0x1014 AGC_Ctrl6 Modify for 33's 1.0.95.xxx version
-			pltmp[6] = 0XF6632111; // 0XF1632112; // 0x1018 AGC_Ctrl7		//0xf6632112 Modify for 33's 1.0.95.xxx version
-			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-			pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9
-			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
-			pltmp[10] = 0X40000528;							//0x40000228
-			pltmp[11] = 0x232dfF30; // 0x232A9F30; // 0x102c A_ACQ_Ctrl	//0x232a9730
-			reg->BB2C = 0x232dfF30; //Modify for 33's 1.0.95.xxx version, antenna 1
-			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+		pltmp[0] = 0x00002C54; /* 0x1030 B_ACQ_Ctrl */
+		reg->BB30 = 0x00002C54;
+		pltmp[1] = 0x00C0D6C5; /* 0x1034 A_TXRX_Ctrl */
+		pltmp[2] = 0x5B2C8769; /* 0x1038 B_TXRX_Ctrl */
+		pltmp[3] = pHwData->BB3c_cal; /* 0x103c 11a TX LS filter */
+		reg->BB3C = pHwData->BB3c_cal;
+		pltmp[4] = 0x00003F29; /* 0x1040 11a TX LS filter */
+		pltmp[5] = 0x0EFEFBFE; /* 0x1044 11a TX LS filter */
+		pltmp[6] = BB48_DEFAULT_WB242_11G; /* 0x1048 11b TX RC filter */
+		reg->BB48 = BB48_DEFAULT_WB242_11G;
+		pltmp[7] = BB4C_DEFAULT_WB242_11G; /* 0x104c 11b TX RC filter */
+		reg->BB4C = BB4C_DEFAULT_WB242_11G;
+		pltmp[8] = 0x27106208; /* 0x1050 MODE_Ctrl */
+		reg->BB50 = 0x27106208;
+		pltmp[9] = pHwData->BB54_cal; /* 0x1054 */
+		reg->BB54 = pHwData->BB54_cal;
+		pltmp[10] = 0x52523131; /* 0x1058 IQ_Alpha */
+		reg->BB58 = 0x52523131;
+		pltmp[11] = 0xAA0AC000; /* 0x105c DC_Cancel */
+		Wb35Reg_BurstWrite(pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT);
 
-			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
-			reg->BB30 = 0x00002C54;
-			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-			pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl	//0x5B6C8769
-			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
-			reg->BB3C = 0x00000000;
-			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-			pltmp[6] = BB48_DEFAULT_AL2230_11G; // 0x1048 11b TX RC filter 20060613.2
-			reg->BB48 = BB48_DEFAULT_AL2230_11G; // 20051221 ch14 20060613.2
-			pltmp[7] = BB4C_DEFAULT_AL2230_11G; // 0x104c 11b TX RC filter 20060613.2
-			reg->BB4C = BB4C_DEFAULT_AL2230_11G; // 20060613.1 20060613.2
-			pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl
-			reg->BB50 = 0x27106200;
-			pltmp[9] = 0; // 0x1054
-			reg->BB54 = 0x00000000;
-			pltmp[10] = 0x52524242; // 0x1058 IQ_Alpha
-			reg->BB58 = 0x52524242;
-			pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
-			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+		Wb35Reg_Write(pHwData, 0x1070, 0x00000045);
+		break;
+	}
 
-			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
-			break;
-
-		case RF_AIROHA_2230S: // 20060420 Add this
-
-			pltmp[0] = 0X16764A77; // 0x1000 AGC_Ctrl1		//0x16765A77
-			pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2
-			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
-			pltmp[3] = 0xFFFd203c; // 0xFFFb203a; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95.xxx version
-			reg->BB0C = 0xFFFd203c;
-			pltmp[4] = 0X0FBFDCc5; // 0X0FBFDCA0; // 0x1010 AGC_Ctrl5 //0x0FB2E0B7 Modify for 33's 1.0.95.xxx version
-			pltmp[5] = 0x00caa332; // 0x00caa333; // 0x1014 AGC_Ctrl6 Modify for 33's 1.0.95.xxx version
-			pltmp[6] = 0XF6632111; // 0XF1632112; // 0x1018 AGC_Ctrl7		//0xf6632112 Modify for 33's 1.0.95.xxx version
-			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-			pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9
-			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
-			pltmp[10] = 0X40000528;							//0x40000228
-			pltmp[11] = 0x232dfF30; // 0x232A9F30; // 0x102c A_ACQ_Ctrl	//0x232a9730
-			reg->BB2C = 0x232dfF30; //Modify for 33's 1.0.95.xxx version, antenna 1
-			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
-
-			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
-			reg->BB30 = 0x00002C54;
-			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-			pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl	//0x5B6C8769
-			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
-			reg->BB3C = 0x00000000;
-			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-			pltmp[6] = BB48_DEFAULT_AL2230_11G; // 0x1048 11b TX RC filter 20060613.2
-			reg->BB48 = BB48_DEFAULT_AL2230_11G; // 20051221 ch14 20060613.2
-			pltmp[7] = BB4C_DEFAULT_AL2230_11G; // 0x104c 11b TX RC filter 20060613.2
-			reg->BB4C = BB4C_DEFAULT_AL2230_11G; // 20060613.1
-			pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl
-			reg->BB50 = 0x27106200;
-			pltmp[9] = 0; // 0x1054
-			reg->BB54 = 0x00000000;
-			pltmp[10] = 0x52523232; // 20060419 0x52524242; // 0x1058 IQ_Alpha
-			reg->BB58 = 0x52523232; // 20060419 0x52524242;
-			pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
-			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
-
-			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
-			break;
-
-		case RF_AIROHA_7230:
-/*
-			pltmp[0] = 0x16a84a77; // 0x1000 AGC_Ctrl1
-			pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2
-			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
-			pltmp[3] = 0xFFFb203a; // 0x100c AGC_Ctrl4
-			reg->BB0c = 0xFFFb203a;
-			pltmp[4] = 0x0FBFDCB7; // 0x1010 AGC_Ctrl5
-			pltmp[5] = 0x00caa333; // 0x1014 AGC_Ctrl6
-			pltmp[6] = 0xf6632112; // 0x1018 AGC_Ctrl7
-			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-			pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9
-			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
-			pltmp[10] = 0x40000228;
-			pltmp[11] = 0x232A9F30;// 0x102c A_ACQ_Ctrl
-			reg->BB2c = 0x232A9F30;
-			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
-
-			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
-			reg->BB30 = 0x00002C54;
-			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-			pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl
-			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
-			reg->BB3c = 0x00000000;
-			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-			pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter
-			pltmp[7] = 0x0E00FEFF; // 0x104c 11b TX RC filter
-			pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl
-			reg->BB50 = 0x27106200;
-			pltmp[9] = 0; // 0x1054
-			reg->BB54 = 0x00000000;
-			pltmp[10] = 0x64645252; // 0x1058 IQ_Alpha
-			reg->BB58 = 0x64645252;
-			pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
-			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
-*/
-			BBProcessor_AL7230_2400( pHwData );
-
-			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
-			break;
-
-		case RF_WB_242:
-		case RF_WB_242_1: // 20060619.5 Add
-
-			pltmp[0] = 0x16A8525D; // 0x1000 AGC_Ctrl1
-			pltmp[1] = 0x9AFF9ABA; // 0x1004 AGC_Ctrl2
-			pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3
-			pltmp[3] = 0xEEE91C32; // 0x100c AGC_Ctrl4
-			reg->BB0C = 0xEEE91C32;
-			pltmp[4] = 0x0FACDCC5; // 0x1010 AGC_Ctrl5
-			pltmp[5] = 0x000AA344; // 0x1014 AGC_Ctrl6
-			pltmp[6] = 0x22222221; // 0x1018 AGC_Ctrl7
-			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
-			pltmp[8] = 0x04CC3440; // 20051018 0x03CB3440; // 0x1020 AGC_Ctrl9 20051014 0x03C33440
-			pltmp[9] = 0xA9002A79; // 0x1024 AGC_Ctrl10
-			pltmp[10] = 0x40000528; // 0x1028
-			pltmp[11] = 0x23457F30; // 0x102c A_ACQ_Ctrl
-			reg->BB2C = 0x23457F30;
-			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
-
-			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
-			reg->BB30 = 0x00002C54;
-			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
-			pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl
-			pltmp[3] = pHwData->BB3c_cal; // 0x103c 11a TX LS filter
-			reg->BB3C = pHwData->BB3c_cal;
-			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
-			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
-			pltmp[6] = BB48_DEFAULT_WB242_11G; // 0x1048 11b TX RC filter 20060613.2
-			reg->BB48 = BB48_DEFAULT_WB242_11G; // 20060613.1 20060613.2
-			pltmp[7] = BB4C_DEFAULT_WB242_11G; // 0x104c 11b TX RC filter 20060613.2
-			reg->BB4C = BB4C_DEFAULT_WB242_11G; // 20060613.1 20060613.2
-			pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl
-			reg->BB50 = 0x27106208;
-			pltmp[9] = pHwData->BB54_cal; // 0x1054
-			reg->BB54 = pHwData->BB54_cal;
-			pltmp[10] = 0x52523131; // 0x1058 IQ_Alpha
-			reg->BB58 = 0x52523131;
-			pltmp[11] = 0xAA0AC000; // 20060825 0xAA2AC000; // 0x105c DC_Cancel
-			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
-
-			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
-			break;
-    }
-
-	// Fill the LNA table
-	reg->LNAValue[0] = (u8)(reg->BB0C & 0xff);
+	/* Fill the LNA table */
+	reg->LNAValue[0] = (u8) (reg->BB0C & 0xff);
 	reg->LNAValue[1] = 0;
-	reg->LNAValue[2] = (u8)((reg->BB0C & 0xff00)>>8);
+	reg->LNAValue[2] = (u8) ((reg->BB0C & 0xff00) >> 8);
 	reg->LNAValue[3] = 0;
 
-	// Fill SQ3 table
-	for( i=0; i<MAX_SQ3_FILTER_SIZE; i++ )
-		reg->SQ3_filter[i] = 0x2f; // half of Bit 0 ~ 6
+	/* Fill SQ3 table */
+	for (i = 0; i < MAX_SQ3_FILTER_SIZE; i++)
+		reg->SQ3_filter[i] = 0x2f; /* half of Bit 0 ~ 6 */
 }
 
-void set_tx_power_per_channel_max2829(  struct hw_data * pHwData,  struct chan_info Channel)
+void set_tx_power_per_channel_max2829(struct hw_data *pHwData,  struct chan_info Channel)
 {
-	RFSynthesizer_SetPowerIndex( pHwData, 100 ); // 20060620.1 Modify
+	RFSynthesizer_SetPowerIndex(pHwData, 100);
 }
 
-void set_tx_power_per_channel_al2230(  struct hw_data * pHwData,  struct chan_info Channel )
+void set_tx_power_per_channel_al2230(struct hw_data *pHwData,  struct chan_info Channel)
 {
 	u8	index = 100;
 
-	if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff) // 20060620.1 Add
+	if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff)
 		index = pHwData->TxVgaFor24[Channel.ChanNo - 1];
 
-	RFSynthesizer_SetPowerIndex( pHwData, index );
+	RFSynthesizer_SetPowerIndex(pHwData, index);
 }
 
-void set_tx_power_per_channel_al7230(  struct hw_data * pHwData,  struct chan_info Channel)
+void set_tx_power_per_channel_al7230(struct hw_data *pHwData,  struct chan_info Channel)
 {
 	u8	i, index = 100;
 
-	switch ( Channel.band )
-	{
-		case BAND_TYPE_DSSS:
-		case BAND_TYPE_OFDM_24:
-			{
-				if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff)
-					index = pHwData->TxVgaFor24[Channel.ChanNo - 1];
+	switch (Channel.band) {
+	case BAND_TYPE_DSSS:
+	case BAND_TYPE_OFDM_24:
+		if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff)
+			index = pHwData->TxVgaFor24[Channel.ChanNo - 1];
+		break;
+	case BAND_TYPE_OFDM_5:
+		for (i = 0; i < 35; i++) {
+			if (Channel.ChanNo == pHwData->TxVgaFor50[i].ChanNo) {
+				if (pHwData->TxVgaFor50[i].TxVgaValue != 0xff)
+					index = pHwData->TxVgaFor50[i].TxVgaValue;
+				break;
 			}
-			break;
-		case BAND_TYPE_OFDM_5:
-			{
-				for (i =0; i<35; i++)
-				{
-					if (Channel.ChanNo == pHwData->TxVgaFor50[i].ChanNo)
-					{
-						if (pHwData->TxVgaFor50[i].TxVgaValue != 0xff)
-							index = pHwData->TxVgaFor50[i].TxVgaValue;
-						break;
-					}
-				}
-			}
-			break;
+		}
+		break;
 	}
-	RFSynthesizer_SetPowerIndex( pHwData, index );
+	RFSynthesizer_SetPowerIndex(pHwData, index);
 }
 
-void set_tx_power_per_channel_wb242(  struct hw_data * pHwData,  struct chan_info Channel)
+void set_tx_power_per_channel_wb242(struct hw_data *pHwData,  struct chan_info Channel)
 {
 	u8	index = 100;
 
-	switch ( Channel.band )
-	{
-		case BAND_TYPE_DSSS:
-		case BAND_TYPE_OFDM_24:
-			{
-				if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff)
-					index = pHwData->TxVgaFor24[Channel.ChanNo - 1];
-			}
-			break;
-		case BAND_TYPE_OFDM_5:
-			break;
+	switch (Channel.band) {
+	case BAND_TYPE_DSSS:
+	case BAND_TYPE_OFDM_24:
+		if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff)
+			index = pHwData->TxVgaFor24[Channel.ChanNo - 1];
+		break;
+	case BAND_TYPE_OFDM_5:
+		break;
 	}
-	RFSynthesizer_SetPowerIndex( pHwData, index );
+	RFSynthesizer_SetPowerIndex(pHwData, index);
 }
 
-//=============================================================================================================
-// RFSynthesizer_SwitchingChannel --
-//
-// Description:
-//   Swithch the RF channel.
-//
-// Arguments:
-//   pHwData    - Handle of the USB Device.
-//   Channel    - The channel no.
-//
-// Return values:
-//   None.
-//=============================================================================================================
-void
-RFSynthesizer_SwitchingChannel(  struct hw_data * pHwData,  struct chan_info Channel )
+/*
+ * ==========================================================================
+ * RFSynthesizer_SwitchingChannel --
+ *
+ * Description:
+ *   Swithch the RF channel.
+ *
+ * Arguments:
+ *   pHwData    - Handle of the USB Device.
+ *   Channel    - The channel no.
+ *
+ * Return values:
+ *   None.
+ * ===========================================================================
+ */
+void RFSynthesizer_SwitchingChannel(struct hw_data *pHwData,  struct chan_info Channel)
 {
 	struct wb35_reg *reg = &pHwData->reg;
-	u32	pltmp[16]; // The 16 is the maximum capability of hardware
+	u32	pltmp[16]; /* The 16 is the maximum capability of hardware */
 	u32	count, ltmp;
 	u8	i, j, number;
 	u8	ChnlTmp;
 
-	switch( pHwData->phy_type )
-	{
-		case RF_MAXIM_2825:
-		case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331)
+	switch (pHwData->phy_type) {
+	case RF_MAXIM_2825:
+	case RF_MAXIM_V1: /* 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331) */
 
-			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13
-			{
-				for( i=0; i<3; i++ )
-					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_channel_data_24[Channel.ChanNo-1][i], 18);
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
-			}
-			RFSynthesizer_SetPowerIndex( pHwData, 100 );
-			break;
+		if (Channel.band <= BAND_TYPE_OFDM_24) { /* channel 1 ~ 13 */
+			for (i = 0; i < 3; i++)
+				pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2825_channel_data_24[Channel.ChanNo-1][i], 18);
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 3, NO_INCREMENT);
+		}
+		RFSynthesizer_SetPowerIndex(pHwData, 100);
+		break;
+	case RF_MAXIM_2827:
+		if (Channel.band <= BAND_TYPE_OFDM_24) { /* channel 1 ~ 13 */
+			for (i = 0; i < 3; i++)
+				pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2827_channel_data_24[Channel.ChanNo-1][i], 18);
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 3, NO_INCREMENT);
+		} else if (Channel.band == BAND_TYPE_OFDM_5) { /* channel 36 ~ 64 */
+			ChnlTmp = (Channel.ChanNo - 36) / 4;
+			for (i = 0; i < 3; i++)
+				pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2827_channel_data_50[ChnlTmp][i], 18);
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 3, NO_INCREMENT);
+		}
+		RFSynthesizer_SetPowerIndex(pHwData, 100);
+		break;
+	case RF_MAXIM_2828:
+		if (Channel.band <= BAND_TYPE_OFDM_24) { /* channel 1 ~ 13 */
+			for (i = 0; i < 3; i++)
+				pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2828_channel_data_24[Channel.ChanNo-1][i], 18);
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 3, NO_INCREMENT);
+		} else if (Channel.band == BAND_TYPE_OFDM_5) { /* channel 36 ~ 64 */
+			ChnlTmp = (Channel.ChanNo - 36) / 4;
+			for (i = 0; i < 3; i++)
+				pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2828_channel_data_50[ChnlTmp][i], 18);
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 3, NO_INCREMENT);
+		}
+		RFSynthesizer_SetPowerIndex(pHwData, 100);
+		break;
+	case RF_MAXIM_2829:
+		if (Channel.band <= BAND_TYPE_OFDM_24) {
+			for (i = 0; i < 3; i++)
+				pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2829_channel_data_24[Channel.ChanNo-1][i], 18);
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 3, NO_INCREMENT);
+		} else if (Channel.band == BAND_TYPE_OFDM_5) {
+			count = sizeof(max2829_channel_data_50) / sizeof(max2829_channel_data_50[0]);
 
-		case RF_MAXIM_2827:
+			for (i = 0; i < count; i++) {
+				if (max2829_channel_data_50[i][0] == Channel.ChanNo) {
+					for (j = 0; j < 3; j++)
+						pltmp[j] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2829_channel_data_50[i][j+1], 18);
+					Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 3, NO_INCREMENT);
 
-			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13
-			{
-				for( i=0; i<3; i++ )
-					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_channel_data_24[Channel.ChanNo-1][i], 18);
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
-			}
-			else if( Channel.band == BAND_TYPE_OFDM_5 ) // channel 36 ~ 64
-			{
-				ChnlTmp = (Channel.ChanNo - 36) / 4;
-				for( i=0; i<3; i++ )
-					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_channel_data_50[ChnlTmp][i], 18);
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
-			}
-			RFSynthesizer_SetPowerIndex( pHwData, 100 );
-			break;
-
-		case RF_MAXIM_2828:
-
-			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13
-			{
-				for( i=0; i<3; i++ )
-					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_channel_data_24[Channel.ChanNo-1][i], 18);
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
-			}
-			else if( Channel.band == BAND_TYPE_OFDM_5 ) // channel 36 ~ 64
-			{
-				ChnlTmp = (Channel.ChanNo - 36) / 4;
-				for ( i = 0; i < 3; i++)
-					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_channel_data_50[ChnlTmp][i], 18);
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
-			}
-			RFSynthesizer_SetPowerIndex( pHwData, 100 );
-			break;
-
-		case RF_MAXIM_2829:
-
-			if( Channel.band <= BAND_TYPE_OFDM_24)
-			{
-				for( i=0; i<3; i++ )
-					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2829_channel_data_24[Channel.ChanNo-1][i], 18);
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
-			}
-			else if( Channel.band == BAND_TYPE_OFDM_5 )
-			{
-				count = sizeof(max2829_channel_data_50) / sizeof(max2829_channel_data_50[0]);
-
-				for( i=0; i<count; i++ )
-				{
-					if( max2829_channel_data_50[i][0] == Channel.ChanNo )
-					{
-						for( j=0; j<3; j++ )
-							pltmp[j] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2829_channel_data_50[i][j+1], 18);
-						Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
-
-						if( (max2829_channel_data_50[i][3] & 0x3FFFF) == 0x2A946 )
-						{
-							ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( (5<<18)|0x2A906, 18);
-							Wb35Reg_Write( pHwData, 0x0864, ltmp );
-						}
-						else    // 0x2A9C6
-						{
-							ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( (5<<18)|0x2A986, 18);
-							Wb35Reg_Write( pHwData, 0x0864, ltmp );
-						}
+					if ((max2829_channel_data_50[i][3] & 0x3FFFF) == 0x2A946) {
+						ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse((5 << 18) | 0x2A906, 18);
+						Wb35Reg_Write(pHwData, 0x0864, ltmp);
+					} else { /* 0x2A9C6 */
+						ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse((5 << 18) | 0x2A986, 18);
+						Wb35Reg_Write(pHwData, 0x0864, ltmp);
 					}
 				}
 			}
-			set_tx_power_per_channel_max2829( pHwData, Channel );
-			break;
+		}
+		set_tx_power_per_channel_max2829(pHwData, Channel);
+		break;
+	case RF_AIROHA_2230:
+	case RF_AIROHA_2230S:
+		if (Channel.band <= BAND_TYPE_OFDM_24) { /* channel 1 ~ 14 */
+			for (i = 0; i < 2; i++)
+				pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse(al2230_channel_data_24[Channel.ChanNo-1][i], 20);
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 2, NO_INCREMENT);
+		}
+		set_tx_power_per_channel_al2230(pHwData, Channel);
+		break;
+	case RF_AIROHA_7230:
+		/* Channel independent registers */
+		if (Channel.band != pHwData->band) {
+			if (Channel.band <= BAND_TYPE_OFDM_24) {
+				/* Update BB register */
+				BBProcessor_AL7230_2400(pHwData);
 
-		case RF_AIROHA_2230:
-		case RF_AIROHA_2230S: // 20060420 Add this
+				number = sizeof(al7230_rf_data_24) / sizeof(al7230_rf_data_24[0]);
+				Set_ChanIndep_RfData_al7230_24(pHwData, pltmp, number);
+			} else {
+				/* Update BB register */
+				BBProcessor_AL7230_5000(pHwData);
 
-			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 14
-			{
-				for( i=0; i<2; i++ )
-					pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_channel_data_24[Channel.ChanNo-1][i], 20);
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 2, NO_INCREMENT );
-			}
-			set_tx_power_per_channel_al2230( pHwData, Channel );
-			break;
-
-		case RF_AIROHA_7230:
-
-			//Start to fill RF parameters, PLL_ON should be pulled low.
-			//Wb35Reg_Write( pHwData, 0x03dc, 0x00000000 );
-			//printk("* PLL_ON    low\n");
-
-			//Channel independent registers
-			if( Channel.band != pHwData->band)
-			{
-				if (Channel.band <= BAND_TYPE_OFDM_24)
-				{
-					//Update BB register
-					BBProcessor_AL7230_2400(pHwData);
-
-					number = sizeof(al7230_rf_data_24)/sizeof(al7230_rf_data_24[0]);
-					Set_ChanIndep_RfData_al7230_24(pHwData, pltmp, number);
-				}
-				else
-				{
-					//Update BB register
-					BBProcessor_AL7230_5000(pHwData);
-
-					number = sizeof(al7230_rf_data_50)/sizeof(al7230_rf_data_50[0]);
-					Set_ChanIndep_RfData_al7230_50(pHwData, pltmp, number);
-				}
-
-				// Write to register. number must less and equal than 16
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, number, NO_INCREMENT );
-				#ifdef _PE_STATE_DUMP_
-				printk("Band changed\n");
-				#endif
+				number = sizeof(al7230_rf_data_50) / sizeof(al7230_rf_data_50[0]);
+				Set_ChanIndep_RfData_al7230_50(pHwData, pltmp, number);
 			}
 
-			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 14
-			{
-				for( i=0; i<2; i++ )
-					pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_channel_data_24[Channel.ChanNo-1][i]&0xffffff);
-				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 2, NO_INCREMENT );
+			/* Write to register. number must less and equal than 16 */
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, number, NO_INCREMENT);
+			#ifdef _PE_STATE_DUMP_
+			printk("Band changed\n");
+			#endif
+		}
+
+		if (Channel.band <= BAND_TYPE_OFDM_24) { /* channel 1 ~ 14 */
+			for (i = 0; i < 2; i++)
+				pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_channel_data_24[Channel.ChanNo-1][i]&0xffffff);
+			Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 2, NO_INCREMENT);
+		} else if (Channel.band == BAND_TYPE_OFDM_5) {
+			/* Update Reg12 */
+			if ((Channel.ChanNo > 64) && (Channel.ChanNo <= 165)) {
+				ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x00143c;
+				Wb35Reg_Write(pHwData, 0x0864, ltmp);
+			} else	{ /* reg12 = 0x00147c at Channel 4920 ~ 5320 */
+				ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x00147c;
+				Wb35Reg_Write(pHwData, 0x0864, ltmp);
 			}
-			else if( Channel.band == BAND_TYPE_OFDM_5 )
-			{
-				//Update Reg12
-				if ((Channel.ChanNo > 64) && (Channel.ChanNo <= 165))
-				{
-					ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x00143c;
-					Wb35Reg_Write( pHwData, 0x0864, ltmp );
-				}
-				else	//reg12 = 0x00147c at Channel 4920 ~ 5320
-				{
-					ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x00147c;
-					Wb35Reg_Write( pHwData, 0x0864, ltmp );
-				}
 
-				count = sizeof(al7230_channel_data_5) / sizeof(al7230_channel_data_5[0]);
+			count = sizeof(al7230_channel_data_5) / sizeof(al7230_channel_data_5[0]);
 
-				for (i=0; i<count; i++)
-				{
-					if (al7230_channel_data_5[i][0] == Channel.ChanNo)
-					{
-						for( j=0; j<3; j++ )
-							pltmp[j] = (1 << 31) | (0 << 30) | (24 << 24) | ( al7230_channel_data_5[i][j+1]&0xffffff);
-						Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
-					}
+			for (i = 0; i < count; i++) {
+				if (al7230_channel_data_5[i][0] == Channel.ChanNo) {
+					for (j = 0; j < 3; j++)
+						pltmp[j] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_channel_data_5[i][j+1] & 0xffffff);
+					Wb35Reg_BurstWrite(pHwData, 0x0864, pltmp, 3, NO_INCREMENT);
 				}
 			}
-			set_tx_power_per_channel_al7230(pHwData, Channel);
-			break;
+		}
+		set_tx_power_per_channel_al7230(pHwData, Channel);
+		break;
+	case RF_WB_242:
+	case RF_WB_242_1:
 
-		case RF_WB_242:
-		case RF_WB_242_1: // 20060619.5 Add
-
-			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 14
-			{
-				ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( w89rf242_channel_data_24[Channel.ChanNo-1][0], 24);
-				Wb35Reg_Write( pHwData, 0x864, ltmp );
-			}
-			set_tx_power_per_channel_wb242(pHwData, Channel);
-			break;
+		if (Channel.band <= BAND_TYPE_OFDM_24) { /* channel 1 ~ 14 */
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse(w89rf242_channel_data_24[Channel.ChanNo-1][0], 24);
+			Wb35Reg_Write(pHwData, 0x864, ltmp);
+		}
+		set_tx_power_per_channel_wb242(pHwData, Channel);
+		break;
 	}
 
-	if( Channel.band <= BAND_TYPE_OFDM_24 )
-	{
-        // BB: select 2.4 GHz, bit[12-11]=00
-		reg->BB50 &= ~(BIT(11)|BIT(12));
-		Wb35Reg_Write( pHwData, 0x1050, reg->BB50 ); // MODE_Ctrl
-        // MAC: select 2.4 GHz, bit[5]=0
+	if (Channel.band <= BAND_TYPE_OFDM_24) {
+		/* BB: select 2.4 GHz, bit[12-11]=00 */
+		reg->BB50 &= ~(BIT(11) | BIT(12));
+		Wb35Reg_Write(pHwData, 0x1050, reg->BB50); /* MODE_Ctrl */
+		/* MAC: select 2.4 GHz, bit[5]=0 */
 		reg->M78_ERPInformation &= ~BIT(5);
-		Wb35Reg_Write( pHwData, 0x0878, reg->M78_ERPInformation );
-        // enable 11b Baseband
+		Wb35Reg_Write(pHwData, 0x0878, reg->M78_ERPInformation);
+		/* enable 11b Baseband */
 		reg->BB30 &= ~BIT(31);
-		Wb35Reg_Write( pHwData, 0x1030, reg->BB30 );
-	}
-	else if( (Channel.band == BAND_TYPE_OFDM_5) )
-	{
-        // BB: select 5 GHz
-		reg->BB50 &= ~(BIT(11)|BIT(12));
-		if (Channel.ChanNo <=64 )
-			reg->BB50 |= BIT(12);				// 10-5.25GHz
+		Wb35Reg_Write(pHwData, 0x1030, reg->BB30);
+	} else if (Channel.band == BAND_TYPE_OFDM_5) {
+		/* BB: select 5 GHz */
+		reg->BB50 &= ~(BIT(11) | BIT(12));
+		if (Channel.ChanNo <= 64)
+			reg->BB50 |= BIT(12);				/* 10-5.25GHz */
 		else if ((Channel.ChanNo >= 100) && (Channel.ChanNo <= 124))
-			reg->BB50 |= BIT(11);				// 01-5.48GHz
-		else if ((Channel.ChanNo >=128) && (Channel.ChanNo <= 161))
-			reg->BB50 |= (BIT(12)|BIT(11));	// 11-5.775GHz
-		else	//Chan 184 ~ 196 will use bit[12-11] = 10 in version sh-src-1.2.25
+			reg->BB50 |= BIT(11);				/* 01-5.48GHz */
+		else if ((Channel.ChanNo >= 128) && (Channel.ChanNo <= 161))
+			reg->BB50 |= (BIT(12) | BIT(11));	/* 11-5.775GHz */
+		else	/* Chan 184 ~ 196 will use bit[12-11] = 10 in version sh-src-1.2.25 */
 			reg->BB50 |= BIT(12);
-		Wb35Reg_Write( pHwData, 0x1050, reg->BB50 ); // MODE_Ctrl
+		Wb35Reg_Write(pHwData, 0x1050, reg->BB50); /* MODE_Ctrl */
 
-		//(1) M78 should alway use 2.4G setting when using RF_AIROHA_7230
-		//(2) BB30 has been updated previously.
-		if (pHwData->phy_type != RF_AIROHA_7230)
-		{
-    	    // MAC: select 5 GHz, bit[5]=1
+		/* (1) M78 should alway use 2.4G setting when using RF_AIROHA_7230 */
+		/* (2) BB30 has been updated previously. */
+		if (pHwData->phy_type != RF_AIROHA_7230) {
+			/* MAC: select 5 GHz, bit[5]=1 */
 			reg->M78_ERPInformation |= BIT(5);
-			Wb35Reg_Write( pHwData, 0x0878, reg->M78_ERPInformation );
+			Wb35Reg_Write(pHwData, 0x0878, reg->M78_ERPInformation);
 
-    	    // disable 11b Baseband
+			/* disable 11b Baseband */
 			reg->BB30 |= BIT(31);
-			Wb35Reg_Write( pHwData, 0x1030, reg->BB30 );
+			Wb35Reg_Write(pHwData, 0x1030, reg->BB30);
 		}
 	}
 }
 
-//Set the tx power directly from DUT GUI, not from the EEPROM. Return the current setting
-u8 RFSynthesizer_SetPowerIndex(  struct hw_data * pHwData,  u8 PowerIndex )
+/*
+ * Set the tx power directly from DUT GUI, not from the EEPROM.
+ * Return the current setting
+ */
+u8 RFSynthesizer_SetPowerIndex(struct hw_data *pHwData,  u8 PowerIndex)
 {
 	u32	Band = pHwData->band;
-	u8	index=0;
+	u8	index = 0;
 
-	if( pHwData->power_index == PowerIndex ) // 20060620.1 Add
+	if (pHwData->power_index == PowerIndex)
 		return PowerIndex;
 
-	if (RF_MAXIM_2825 == pHwData->phy_type)
-	{
-		// Channel 1 - 13
-		index = RFSynthesizer_SetMaxim2825Power( pHwData, PowerIndex );
-	}
-	else if (RF_MAXIM_2827 == pHwData->phy_type)
-	{
-		if( Band <= BAND_TYPE_OFDM_24 )    // Channel 1 - 13
-			index = RFSynthesizer_SetMaxim2827_24Power( pHwData, PowerIndex );
-		else// if( Band == BAND_TYPE_OFDM_5 )  // Channel 36 - 64
-			index = RFSynthesizer_SetMaxim2827_50Power( pHwData, PowerIndex );
-	}
-	else if (RF_MAXIM_2828 == pHwData->phy_type)
-	{
-		if( Band <= BAND_TYPE_OFDM_24 )    // Channel 1 - 13
-			index = RFSynthesizer_SetMaxim2828_24Power( pHwData, PowerIndex );
-		else// if( Band == BAND_TYPE_OFDM_5 )  // Channel 36 - 64
-			index = RFSynthesizer_SetMaxim2828_50Power( pHwData, PowerIndex );
-	}
-	else if( RF_AIROHA_2230 == pHwData->phy_type )
-	{
-		//Power index: 0 ~ 63 // Channel 1 - 14
-		index = RFSynthesizer_SetAiroha2230Power( pHwData, PowerIndex );
-		index = (u8)al2230_txvga_data[index][1];
-	}
-	else if( RF_AIROHA_2230S == pHwData->phy_type ) // 20060420 Add this
-	{
-		//Power index: 0 ~ 63 // Channel 1 - 14
-		index = RFSynthesizer_SetAiroha2230Power( pHwData, PowerIndex );
-		index = (u8)al2230_txvga_data[index][1];
-	}
-	else if( RF_AIROHA_7230 == pHwData->phy_type )
-	{
-		//Power index: 0 ~ 63
-		index = RFSynthesizer_SetAiroha7230Power( pHwData, PowerIndex );
+	if (RF_MAXIM_2825 == pHwData->phy_type) {
+		/* Channel 1 - 13 */
+		index = RFSynthesizer_SetMaxim2825Power(pHwData, PowerIndex);
+	} else if (RF_MAXIM_2827 == pHwData->phy_type) {
+		if (Band <= BAND_TYPE_OFDM_24)    /* Channel 1 - 13 */
+			index = RFSynthesizer_SetMaxim2827_24Power(pHwData, PowerIndex);
+		else /* Channel 36 - 64 */
+			index = RFSynthesizer_SetMaxim2827_50Power(pHwData, PowerIndex);
+	} else if (RF_MAXIM_2828 == pHwData->phy_type) {
+		if (Band <= BAND_TYPE_OFDM_24) /* Channel 1 - 13 */
+			index = RFSynthesizer_SetMaxim2828_24Power(pHwData, PowerIndex);
+		else /* Channel 36 - 64 */
+			index = RFSynthesizer_SetMaxim2828_50Power(pHwData, PowerIndex);
+	} else if (RF_AIROHA_2230 == pHwData->phy_type) {
+		/* Power index: 0 ~ 63 --- Channel 1 - 14 */
+		index = RFSynthesizer_SetAiroha2230Power(pHwData, PowerIndex);
+		index = (u8) al2230_txvga_data[index][1];
+	} else if (RF_AIROHA_2230S == pHwData->phy_type) {
+		/* Power index: 0 ~ 63 --- Channel 1 - 14 */
+		index = RFSynthesizer_SetAiroha2230Power(pHwData, PowerIndex);
+		index = (u8) al2230_txvga_data[index][1];
+	} else if (RF_AIROHA_7230 == pHwData->phy_type) {
+		/* Power index: 0 ~ 63 */
+		index = RFSynthesizer_SetAiroha7230Power(pHwData, PowerIndex);
 		index = (u8)al7230_txvga_data[index][1];
-	}
-	else if( (RF_WB_242 == pHwData->phy_type) ||
-		 (RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add
-	{
-		//Power index: 0 ~ 19 for original. New range is 0 ~ 33
-		index = RFSynthesizer_SetWinbond242Power( pHwData, PowerIndex );
+	} else if ((RF_WB_242 == pHwData->phy_type) ||
+		 (RF_WB_242_1 == pHwData->phy_type)) {
+		/* Power index: 0 ~ 19 for original. New range is 0 ~ 33 */
+		index = RFSynthesizer_SetWinbond242Power(pHwData, PowerIndex);
 		index = (u8)w89rf242_txvga_data[index][1];
 	}
 
-	pHwData->power_index = index;  // Backup current
+	pHwData->power_index = index;  /* Backup current */
 	return index;
 }
 
-//-- Sub function
-u8 RFSynthesizer_SetMaxim2828_24Power(  struct hw_data * pHwData, u8 index )
+/* -- Sub function */
+u8 RFSynthesizer_SetMaxim2828_24Power(struct hw_data *pHwData, u8 index)
 {
-	u32		PowerData;
-	if( index > 1 ) index = 1;
-	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_power_data_24[index], 18);
-	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	u32	PowerData;
+	if (index > 1)
+		index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2828_power_data_24[index], 18);
+	Wb35Reg_Write(pHwData, 0x0864, PowerData);
 	return index;
 }
-//--
-u8 RFSynthesizer_SetMaxim2828_50Power(  struct hw_data * pHwData, u8 index )
+
+u8 RFSynthesizer_SetMaxim2828_50Power(struct hw_data *pHwData, u8 index)
 {
-	u32		PowerData;
-	if( index > 1 ) index = 1;
-	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_power_data_50[index], 18);
-	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	u32	PowerData;
+	if (index > 1)
+		index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2828_power_data_50[index], 18);
+	Wb35Reg_Write(pHwData, 0x0864, PowerData);
 	return index;
 }
-//--
-u8 RFSynthesizer_SetMaxim2827_24Power(  struct hw_data * pHwData, u8 index )
+
+u8 RFSynthesizer_SetMaxim2827_24Power(struct hw_data *pHwData, u8 index)
 {
-	u32		PowerData;
-	if( index > 1 ) index = 1;
-	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_power_data_24[index], 18);
-	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	u32	PowerData;
+	if (index > 1)
+		index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2827_power_data_24[index], 18);
+	Wb35Reg_Write(pHwData, 0x0864, PowerData);
 	return index;
 }
-//--
-u8 RFSynthesizer_SetMaxim2827_50Power(  struct hw_data * pHwData, u8 index )
+
+u8 RFSynthesizer_SetMaxim2827_50Power(struct hw_data *pHwData, u8 index)
 {
-	u32		PowerData;
-	if( index > 1 ) index = 1;
-	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_power_data_50[index], 18);
-	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	u32	PowerData;
+	if (index > 1)
+		index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2827_power_data_50[index], 18);
+	Wb35Reg_Write(pHwData, 0x0864, PowerData);
 	return index;
 }
-//--
-u8 RFSynthesizer_SetMaxim2825Power(  struct hw_data * pHwData, u8 index )
+
+u8 RFSynthesizer_SetMaxim2825Power(struct hw_data *pHwData, u8 index)
 {
-	u32		PowerData;
-	if( index > 1 ) index = 1;
-	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_power_data_24[index], 18);
-	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	u32	PowerData;
+	if (index > 1)
+		index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(max2825_power_data_24[index], 18);
+	Wb35Reg_Write(pHwData, 0x0864, PowerData);
 	return index;
 }
-//--
-u8 RFSynthesizer_SetAiroha2230Power(  struct hw_data * pHwData, u8 index )
+
+u8 RFSynthesizer_SetAiroha2230Power(struct hw_data *pHwData, u8 index)
 {
-	u32		PowerData;
-	u8		i,count;
+	u32	PowerData;
+	u8	i, count;
 
 	count = sizeof(al2230_txvga_data) / sizeof(al2230_txvga_data[0]);
-	for (i=0; i<count; i++)
-	{
+	for (i = 0; i < count; i++) {
 		if (al2230_txvga_data[i][1] >= index)
 			break;
 	}
 	if (i == count)
 		i--;
 
-	PowerData = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_txvga_data[i][0], 20);
-	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	PowerData = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse(al2230_txvga_data[i][0], 20);
+	Wb35Reg_Write(pHwData, 0x0864, PowerData);
 	return i;
 }
-//--
-u8 RFSynthesizer_SetAiroha7230Power(  struct hw_data * pHwData, u8 index )
-{
-	u32		PowerData;
-	u8		i,count;
 
-	//PowerData = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( airoha_power_data_24[index], 20);
+u8 RFSynthesizer_SetAiroha7230Power(struct hw_data *pHwData, u8 index)
+{
+	u32	PowerData;
+	u8	i, count;
+
 	count = sizeof(al7230_txvga_data) / sizeof(al7230_txvga_data[0]);
-	for (i=0; i<count; i++)
-	{
+	for (i = 0; i < count; i++) {
 		if (al7230_txvga_data[i][1] >= index)
 			break;
 	}
 	if (i == count)
 		i--;
-	PowerData = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_txvga_data[i][0]&0xffffff);
-	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	PowerData = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_txvga_data[i][0] & 0xffffff);
+	Wb35Reg_Write(pHwData, 0x0864, PowerData);
 	return i;
 }
 
-u8 RFSynthesizer_SetWinbond242Power(  struct hw_data * pHwData, u8 index )
+u8 RFSynthesizer_SetWinbond242Power(struct hw_data *pHwData, u8 index)
 {
-	u32		PowerData;
-	u8		i,count;
+	u32	PowerData;
+	u8	i, count;
 
 	count = sizeof(w89rf242_txvga_data) / sizeof(w89rf242_txvga_data[0]);
-	for (i=0; i<count; i++)
-	{
+	for (i = 0; i < count; i++) {
 		if (w89rf242_txvga_data[i][1] >= index)
 			break;
 	}
 	if (i == count)
 		i--;
 
-	// Set TxVga into RF
-	PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( w89rf242_txvga_data[i][0], 24);
-	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	/* Set TxVga into RF */
+	PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse(w89rf242_txvga_data[i][0], 24);
+	Wb35Reg_Write(pHwData, 0x0864, PowerData);
 
-	// Update BB48 BB4C BB58 for high precision txvga
-	Wb35Reg_Write( pHwData, 0x1048, w89rf242_txvga_data[i][2] );
-	Wb35Reg_Write( pHwData, 0x104c, w89rf242_txvga_data[i][3] );
-	Wb35Reg_Write( pHwData, 0x1058, w89rf242_txvga_data[i][4] );
+	/* Update BB48 BB4C BB58 for high precision txvga */
+	Wb35Reg_Write(pHwData, 0x1048, w89rf242_txvga_data[i][2]);
+	Wb35Reg_Write(pHwData, 0x104c, w89rf242_txvga_data[i][3]);
+	Wb35Reg_Write(pHwData, 0x1058, w89rf242_txvga_data[i][4]);
 
-// Rf vga 0 ~ 3 for temperature compensate. It will affect the scan Bss.
-// The i value equals to 8 or 7 usually. So It's not necessary to setup this RF register.
-//	if( i <= 3 )
-//		PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( 0x000024, 24 );
-//	else
-//		PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( 0x001824, 24 );
-//	Wb35Reg_Write( pHwData, 0x0864, PowerData );
 	return i;
 }
 
-//===========================================================================================================
-// Dxx_initial --
-// Mxx_initial --
-	//
-//  Routine Description:
-//		Initial the hardware setting and module variable
-	//
-//===========================================================================================================
-void Dxx_initial(  struct hw_data * pHwData )
+/*
+ * ===========================================================================
+ * Dxx_initial --
+ * Mxx_initial --
+ *
+ *  Routine Description:
+ *	Initial the hardware setting and module variable
+ * ===========================================================================
+ */
+void Dxx_initial(struct hw_data *pHwData)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 
-	// Old IC:Single mode only.
-	// New IC: operation decide by Software set bit[4]. 1:multiple 0: single
-	reg->D00_DmaControl = 0xc0000004;	//Txon, Rxon, multiple Rx for new 4k DMA
-											//Txon, Rxon, single Rx for old 8k ASIC
-	if( !HAL_USB_MODE_BURST( pHwData ) )
-		reg->D00_DmaControl = 0xc0000000;//Txon, Rxon, single Rx for new 4k DMA
+	/*
+	 * Old IC: Single mode only.
+	 * New IC: operation decide by Software set bit[4]. 1:multiple 0: single
+	 */
+	reg->D00_DmaControl = 0xc0000004;	/* Txon, Rxon, multiple Rx for new 4k DMA */
+						/* Txon, Rxon, single Rx for old 8k ASIC */
+	if (!HAL_USB_MODE_BURST(pHwData))
+		reg->D00_DmaControl = 0xc0000000; /* Txon, Rxon, single Rx for new 4k DMA */
 
-	Wb35Reg_WriteSync( pHwData, 0x0400, reg->D00_DmaControl );
+	Wb35Reg_WriteSync(pHwData, 0x0400, reg->D00_DmaControl);
 }
 
-void Mxx_initial(  struct hw_data * pHwData )
+void Mxx_initial(struct hw_data *pHwData)
 {
 	struct wb35_reg *reg = &pHwData->reg;
-	u32		tmp;
-	u32		pltmp[11];
+	u32	tmp;
+	u32	pltmp[11];
 	u16	i;
 
 
-	//======================================================
-	// Initial Mxx register
-	//======================================================
+	/*
+	 * ======================================================
+	 * Initial Mxx register
+	 * ======================================================
+	 */
 
-	// M00 bit set
-#ifdef _IBSS_BEACON_SEQ_STICK_
-	reg->M00_MacControl = 0; // Solve beacon sequence number stop by software
-#else
-	reg->M00_MacControl = 0x80000000; // Solve beacon sequence number stop by hardware
-#endif
+	/* M00 bit set */
+	#ifdef _IBSS_BEACON_SEQ_STICK_
+	reg->M00_MacControl = 0; /* Solve beacon sequence number stop by software */
+	#else
+	reg->M00_MacControl = 0x80000000; /* Solve beacon sequence number stop by hardware */
+	#endif
 
-	// M24 disable enter power save, BB RxOn and enable NAV attack
+	/* M24 disable enter power save, BB RxOn and enable NAV attack */
 	reg->M24_MacControl = 0x08040042;
 	pltmp[0] = reg->M24_MacControl;
 
-	pltmp[1] = 0; // Skip M28, because no initialize value is required.
+	pltmp[1] = 0; /* Skip M28, because no initialize value is required. */
 
-	// M2C CWmin and CWmax setting
+	/* M2C CWmin and CWmax setting */
 	pHwData->cwmin = DEFAULT_CWMIN;
 	pHwData->cwmax = DEFAULT_CWMAX;
 	reg->M2C_MacControl = DEFAULT_CWMIN << 10;
 	reg->M2C_MacControl |= DEFAULT_CWMAX;
 	pltmp[2] = reg->M2C_MacControl;
 
-	// M30 BSSID
+	/* M30 BSSID */
 	pltmp[3] = *(u32 *)pHwData->bssid;
 
-	// M34
+	/* M34 */
 	pHwData->AID = DEFAULT_AID;
-	tmp = *(u16 *)(pHwData->bssid+4);
+	tmp = *(u16 *) (pHwData->bssid + 4);
 	tmp |= DEFAULT_AID << 16;
 	pltmp[4] = tmp;
 
-	// M38
-	reg->M38_MacControl = (DEFAULT_RATE_RETRY_LIMIT<<8) | (DEFAULT_LONG_RETRY_LIMIT << 4) | DEFAULT_SHORT_RETRY_LIMIT;
+	/* M38 */
+	reg->M38_MacControl = (DEFAULT_RATE_RETRY_LIMIT << 8) | (DEFAULT_LONG_RETRY_LIMIT << 4) | DEFAULT_SHORT_RETRY_LIMIT;
 	pltmp[5] = reg->M38_MacControl;
 
-	// M3C
+	/* M3C */
 	tmp = (DEFAULT_PIFST << 26) | (DEFAULT_EIFST << 16) | (DEFAULT_DIFST << 8) | (DEFAULT_SIFST << 4) | DEFAULT_OSIFST ;
 	reg->M3C_MacControl = tmp;
 	pltmp[6] = tmp;
 
-	// M40
+	/* M40 */
 	pHwData->slot_time_select = DEFAULT_SLOT_TIME;
 	tmp = (DEFAULT_ATIMWD << 16) | DEFAULT_SLOT_TIME;
 	reg->M40_MacControl = tmp;
 	pltmp[7] = tmp;
 
-	// M44
-	tmp = DEFAULT_MAX_TX_MSDU_LIFE_TIME << 10; // *1024
+	/* M44 */
+	tmp = DEFAULT_MAX_TX_MSDU_LIFE_TIME << 10; /* *1024 */
 	reg->M44_MacControl = tmp;
 	pltmp[8] = tmp;
 
-	// M48
+	/* M48 */
 	pHwData->BeaconPeriod = DEFAULT_BEACON_INTERVAL;
 	pHwData->ProbeDelay = DEFAULT_PROBE_DELAY_TIME;
 	tmp = (DEFAULT_BEACON_INTERVAL << 16) | DEFAULT_PROBE_DELAY_TIME;
 	reg->M48_MacControl = tmp;
 	pltmp[9] = tmp;
 
-	//M4C
+	/* M4C */
 	reg->M4C_MacStatus = (DEFAULT_PROTOCOL_VERSION << 30) | (DEFAULT_MAC_POWER_STATE << 28) | (DEFAULT_DTIM_ALERT_TIME << 24);
 	pltmp[10] = reg->M4C_MacStatus;
 
-	// Burst write
-	//Wb35Reg_BurstWrite( pHwData, 0x0824, pltmp, 11, AUTO_INCREMENT );
-	for( i=0; i<11; i++ )
-		Wb35Reg_WriteSync( pHwData, 0x0824 + i*4, pltmp[i] );
+	for (i = 0; i < 11; i++)
+		Wb35Reg_WriteSync(pHwData, 0x0824 + i * 4, pltmp[i]);
 
-	// M60
-	Wb35Reg_WriteSync( pHwData, 0x0860, 0x12481248 );
+	/* M60 */
+	Wb35Reg_WriteSync(pHwData, 0x0860, 0x12481248);
 	reg->M60_MacControl = 0x12481248;
 
-	// M68
-	Wb35Reg_WriteSync( pHwData, 0x0868, 0x00050900 ); // 20051018 0x000F0F00 ); // 940930 0x00131300
+	/* M68 */
+	Wb35Reg_WriteSync(pHwData, 0x0868, 0x00050900);
 	reg->M68_MacControl = 0x00050900;
 
-	// M98
-	Wb35Reg_WriteSync( pHwData, 0x0898, 0xffff8888 );
+	/* M98 */
+	Wb35Reg_WriteSync(pHwData, 0x0898, 0xffff8888);
 	reg->M98_MacControl = 0xffff8888;
 }
 
 
-void Uxx_power_off_procedure(  struct hw_data * pHwData )
+void Uxx_power_off_procedure(struct hw_data *pHwData)
 {
-	// SW, PMU reset and turn off clock
-	Wb35Reg_WriteSync( pHwData, 0x03b0, 3 );
-	Wb35Reg_WriteSync( pHwData, 0x03f0, 0xf9 );
+	/* SW, PMU reset and turn off clock */
+	Wb35Reg_WriteSync(pHwData, 0x03b0, 3);
+	Wb35Reg_WriteSync(pHwData, 0x03f0, 0xf9);
 }
 
-//Decide the TxVga of every channel
-void GetTxVgaFromEEPROM(  struct hw_data * pHwData )
+/*Decide the TxVga of every channel */
+void GetTxVgaFromEEPROM(struct hw_data *pHwData)
 {
-	u32		i, j, ltmp;
-	u16		Value[MAX_TXVGA_EEPROM];
-	u8		*pctmp;
-	u8		ctmp=0;
+	u32	i, j, ltmp;
+	u16	Value[MAX_TXVGA_EEPROM];
+	u8	*pctmp;
+	u8	ctmp = 0;
 
-	// Get the entire TxVga setting in EEPROM
-	for( i=0; i<MAX_TXVGA_EEPROM; i++ )
-	{
-		Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08100000 + 0x00010000*i );
-		Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
-		Value[i] = (u16)( ltmp & 0xffff ); // Get 16 bit available
-		Value[i] = cpu_to_le16( Value[i] ); // [7:0]2412 [7:0]2417 ....
+	/* Get the entire TxVga setting in EEPROM */
+	for (i = 0; i < MAX_TXVGA_EEPROM; i++) {
+		Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08100000 + 0x00010000 * i);
+		Wb35Reg_ReadSync(pHwData, 0x03b4, &ltmp);
+		Value[i] = (u16) (ltmp & 0xffff); /* Get 16 bit available */
+		Value[i] = cpu_to_le16(Value[i]); /* [7:0]2412 [7:0]2417 .... */
 	}
 
-	// Adjust the filed which fills with reserved value.
-	pctmp = (u8 *)Value;
-	for( i=0; i<(MAX_TXVGA_EEPROM*2); i++ )
-	{
-		if( pctmp[i] != 0xff )
+	/* Adjust the filed which fills with reserved value. */
+	pctmp = (u8 *) Value;
+	for (i = 0; i < (MAX_TXVGA_EEPROM * 2); i++) {
+		if (pctmp[i] != 0xff)
 			ctmp = pctmp[i];
 		else
 			pctmp[i] = ctmp;
 	}
 
-	// Adjust WB_242 to WB_242_1 TxVga scale
-	if( pHwData->phy_type == RF_WB_242 )
-	{
-		for( i=0; i<4; i++ ) // Only 2412 2437 2462 2484 case must be modified
-		{
-			for( j=0; j<(sizeof(w89rf242_txvga_old_mapping)/sizeof(w89rf242_txvga_old_mapping[0])); j++ )
-			{
-				if( pctmp[i] < (u8)w89rf242_txvga_old_mapping[j][1] )
-				{
-					pctmp[i] = (u8)w89rf242_txvga_old_mapping[j][0];
+	/* Adjust WB_242 to WB_242_1 TxVga scale */
+	if (pHwData->phy_type == RF_WB_242) {
+		for (i = 0; i < 4; i++) { /* Only 2412 2437 2462 2484 case must be modified */
+			for (j = 0; j < (sizeof(w89rf242_txvga_old_mapping) / sizeof(w89rf242_txvga_old_mapping[0])); j++) {
+				if (pctmp[i] < (u8) w89rf242_txvga_old_mapping[j][1]) {
+					pctmp[i] = (u8) w89rf242_txvga_old_mapping[j][0];
 					break;
 				}
 			}
 
-			if( j == (sizeof(w89rf242_txvga_old_mapping)/sizeof(w89rf242_txvga_old_mapping[0])) )
+			if (j == (sizeof(w89rf242_txvga_old_mapping) / sizeof(w89rf242_txvga_old_mapping[0])))
 				pctmp[i] = (u8)w89rf242_txvga_old_mapping[j-1][0];
 		}
 	}
 
-	// 20060621 Add
-	memcpy( pHwData->TxVgaSettingInEEPROM, pctmp, MAX_TXVGA_EEPROM*2 ); //MAX_TXVGA_EEPROM is u16 count
-	EEPROMTxVgaAdjust( pHwData );
+	memcpy(pHwData->TxVgaSettingInEEPROM, pctmp, MAX_TXVGA_EEPROM * 2); /* MAX_TXVGA_EEPROM is u16 count */
+	EEPROMTxVgaAdjust(pHwData);
 }
 
-// This function will affect the TxVga parameter in HAL. If hal_set_current_channel
-// or RFSynthesizer_SetPowerIndex be called, new TxVga will take effect.
-// TxVgaSettingInEEPROM of sHwData is an u8 array point to EEPROM contain for IS89C35
-// This function will use default TxVgaSettingInEEPROM data to calculate new TxVga.
-void EEPROMTxVgaAdjust(  struct hw_data * pHwData ) // 20060619.5 Add
+/*
+ * This function will affect the TxVga parameter in HAL. If hal_set_current_channel
+ * or RFSynthesizer_SetPowerIndex be called, new TxVga will take effect.
+ * TxVgaSettingInEEPROM of sHwData is an u8 array point to EEPROM contain for IS89C35
+ * This function will use default TxVgaSettingInEEPROM data to calculate new TxVga.
+ */
+void EEPROMTxVgaAdjust(struct hw_data *pHwData)
 {
-	u8	*	pTxVga = pHwData->TxVgaSettingInEEPROM;
-	s16		i, stmp;
+	u8	*pTxVga = pHwData->TxVgaSettingInEEPROM;
+	s16	i, stmp;
 
-	//-- 2.4G -- 20060704.2 Request from Tiger
-	//channel 1 ~ 5
+	/* -- 2.4G -- */
+	/* channel 1 ~ 5 */
 	stmp = pTxVga[1] - pTxVga[0];
-	for( i=0; i<5; i++ )
-		pHwData->TxVgaFor24[i] = pTxVga[0] + stmp*i/4;
-	//channel 6 ~ 10
+	for (i = 0; i < 5; i++)
+		pHwData->TxVgaFor24[i] = pTxVga[0] + stmp * i / 4;
+	/* channel 6 ~ 10 */
 	stmp = pTxVga[2] - pTxVga[1];
-	for( i=5; i<10; i++ )
-		pHwData->TxVgaFor24[i] = pTxVga[1] + stmp*(i-5)/4;
-	//channel 11 ~ 13
+	for (i = 5; i < 10; i++)
+		pHwData->TxVgaFor24[i] = pTxVga[1] + stmp * (i - 5) / 4;
+	/* channel 11 ~ 13 */
 	stmp = pTxVga[3] - pTxVga[2];
-	for( i=10; i<13; i++ )
-		pHwData->TxVgaFor24[i] = pTxVga[2] + stmp*(i-10)/2;
-	//channel 14
+	for (i = 10; i < 13; i++)
+		pHwData->TxVgaFor24[i] = pTxVga[2] + stmp * (i - 10) / 2;
+	/* channel 14 */
 	pHwData->TxVgaFor24[13] = pTxVga[3];
 
-	//-- 5G --
-	if( pHwData->phy_type == RF_AIROHA_7230 )
-	{
-		//channel 184
+	/* -- 5G -- */
+	if (pHwData->phy_type == RF_AIROHA_7230) {
+		/* channel 184 */
 		pHwData->TxVgaFor50[0].ChanNo = 184;
 		pHwData->TxVgaFor50[0].TxVgaValue = pTxVga[4];
-		//channel 196
+		/* channel 196 */
 		pHwData->TxVgaFor50[3].ChanNo = 196;
 		pHwData->TxVgaFor50[3].TxVgaValue = pTxVga[5];
-		//interpolate
+		/* interpolate */
 		pHwData->TxVgaFor50[1].ChanNo = 188;
 		pHwData->TxVgaFor50[2].ChanNo = 192;
 		stmp = pTxVga[5] - pTxVga[4];
-		pHwData->TxVgaFor50[2].TxVgaValue = pTxVga[5] - stmp/3;
-		pHwData->TxVgaFor50[1].TxVgaValue = pTxVga[5] - stmp*2/3;
+		pHwData->TxVgaFor50[2].TxVgaValue = pTxVga[5] - stmp / 3;
+		pHwData->TxVgaFor50[1].TxVgaValue = pTxVga[5] - stmp * 2 / 3;
 
-		//channel 16
+		/* channel 16 */
 		pHwData->TxVgaFor50[6].ChanNo = 16;
 		pHwData->TxVgaFor50[6].TxVgaValue = pTxVga[6];
 		pHwData->TxVgaFor50[4].ChanNo = 8;
@@ -2523,7 +2250,7 @@ void EEPROMTxVgaAdjust(  struct hw_data * pHwData ) // 20060619.5 Add
 		pHwData->TxVgaFor50[5].ChanNo = 12;
 		pHwData->TxVgaFor50[5].TxVgaValue = pTxVga[6];
 
-		//channel 36
+		/* channel 36 */
 		pHwData->TxVgaFor50[8].ChanNo = 36;
 		pHwData->TxVgaFor50[8].TxVgaValue = pTxVga[7];
 		pHwData->TxVgaFor50[7].ChanNo = 34;
@@ -2531,153 +2258,135 @@ void EEPROMTxVgaAdjust(  struct hw_data * pHwData ) // 20060619.5 Add
 		pHwData->TxVgaFor50[9].ChanNo = 38;
 		pHwData->TxVgaFor50[9].TxVgaValue = pTxVga[7];
 
-		//channel 40
+		/* channel 40 */
 		pHwData->TxVgaFor50[10].ChanNo = 40;
 		pHwData->TxVgaFor50[10].TxVgaValue = pTxVga[8];
-		//channel 48
+		/* channel 48 */
 		pHwData->TxVgaFor50[14].ChanNo = 48;
 		pHwData->TxVgaFor50[14].TxVgaValue = pTxVga[9];
-		//interpolate
+		/* interpolate */
 		pHwData->TxVgaFor50[11].ChanNo = 42;
 		pHwData->TxVgaFor50[12].ChanNo = 44;
 		pHwData->TxVgaFor50[13].ChanNo = 46;
 		stmp = pTxVga[9] - pTxVga[8];
-		pHwData->TxVgaFor50[13].TxVgaValue = pTxVga[9] - stmp/4;
-		pHwData->TxVgaFor50[12].TxVgaValue = pTxVga[9] - stmp*2/4;
-		pHwData->TxVgaFor50[11].TxVgaValue = pTxVga[9] - stmp*3/4;
+		pHwData->TxVgaFor50[13].TxVgaValue = pTxVga[9] - stmp / 4;
+		pHwData->TxVgaFor50[12].TxVgaValue = pTxVga[9] - stmp * 2 / 4;
+		pHwData->TxVgaFor50[11].TxVgaValue = pTxVga[9] - stmp * 3 / 4;
 
-		//channel 52
+		/* channel 52 */
 		pHwData->TxVgaFor50[15].ChanNo = 52;
 		pHwData->TxVgaFor50[15].TxVgaValue = pTxVga[10];
-		//channel 64
+		/* channel 64 */
 		pHwData->TxVgaFor50[18].ChanNo = 64;
 		pHwData->TxVgaFor50[18].TxVgaValue = pTxVga[11];
-		//interpolate
+		/* interpolate */
 		pHwData->TxVgaFor50[16].ChanNo = 56;
 		pHwData->TxVgaFor50[17].ChanNo = 60;
 		stmp = pTxVga[11] - pTxVga[10];
-		pHwData->TxVgaFor50[17].TxVgaValue = pTxVga[11] - stmp/3;
-		pHwData->TxVgaFor50[16].TxVgaValue = pTxVga[11] - stmp*2/3;
+		pHwData->TxVgaFor50[17].TxVgaValue = pTxVga[11] - stmp / 3;
+		pHwData->TxVgaFor50[16].TxVgaValue = pTxVga[11] - stmp * 2 / 3;
 
-		//channel 100
+		/* channel 100 */
 		pHwData->TxVgaFor50[19].ChanNo = 100;
 		pHwData->TxVgaFor50[19].TxVgaValue = pTxVga[12];
-		//channel 112
+		/* channel 112 */
 		pHwData->TxVgaFor50[22].ChanNo = 112;
 		pHwData->TxVgaFor50[22].TxVgaValue = pTxVga[13];
-		//interpolate
+		/* interpolate */
 		pHwData->TxVgaFor50[20].ChanNo = 104;
 		pHwData->TxVgaFor50[21].ChanNo = 108;
 		stmp = pTxVga[13] - pTxVga[12];
-		pHwData->TxVgaFor50[21].TxVgaValue = pTxVga[13] - stmp/3;
-		pHwData->TxVgaFor50[20].TxVgaValue = pTxVga[13] - stmp*2/3;
+		pHwData->TxVgaFor50[21].TxVgaValue = pTxVga[13] - stmp / 3;
+		pHwData->TxVgaFor50[20].TxVgaValue = pTxVga[13] - stmp * 2 / 3;
 
-		//channel 128
+		/* channel 128 */
 		pHwData->TxVgaFor50[26].ChanNo = 128;
 		pHwData->TxVgaFor50[26].TxVgaValue = pTxVga[14];
-		//interpolate
+		/* interpolate */
 		pHwData->TxVgaFor50[23].ChanNo = 116;
 		pHwData->TxVgaFor50[24].ChanNo = 120;
 		pHwData->TxVgaFor50[25].ChanNo = 124;
 		stmp = pTxVga[14] - pTxVga[13];
-		pHwData->TxVgaFor50[25].TxVgaValue = pTxVga[14] - stmp/4;
-		pHwData->TxVgaFor50[24].TxVgaValue = pTxVga[14] - stmp*2/4;
-		pHwData->TxVgaFor50[23].TxVgaValue = pTxVga[14] - stmp*3/4;
+		pHwData->TxVgaFor50[25].TxVgaValue = pTxVga[14] - stmp / 4;
+		pHwData->TxVgaFor50[24].TxVgaValue = pTxVga[14] - stmp * 2 / 4;
+		pHwData->TxVgaFor50[23].TxVgaValue = pTxVga[14] - stmp * 3 / 4;
 
-		//channel 140
+		/* channel 140 */
 		pHwData->TxVgaFor50[29].ChanNo = 140;
 		pHwData->TxVgaFor50[29].TxVgaValue = pTxVga[15];
-		//interpolate
+		/* interpolate */
 		pHwData->TxVgaFor50[27].ChanNo = 132;
 		pHwData->TxVgaFor50[28].ChanNo = 136;
 		stmp = pTxVga[15] - pTxVga[14];
-		pHwData->TxVgaFor50[28].TxVgaValue = pTxVga[15] - stmp/3;
-		pHwData->TxVgaFor50[27].TxVgaValue = pTxVga[15] - stmp*2/3;
+		pHwData->TxVgaFor50[28].TxVgaValue = pTxVga[15] - stmp / 3;
+		pHwData->TxVgaFor50[27].TxVgaValue = pTxVga[15] - stmp * 2 / 3;
 
-		//channel 149
+		/* channel 149 */
 		pHwData->TxVgaFor50[30].ChanNo = 149;
 		pHwData->TxVgaFor50[30].TxVgaValue = pTxVga[16];
-		//channel 165
+		/* channel 165 */
 		pHwData->TxVgaFor50[34].ChanNo = 165;
 		pHwData->TxVgaFor50[34].TxVgaValue = pTxVga[17];
-		//interpolate
+		/* interpolate */
 		pHwData->TxVgaFor50[31].ChanNo = 153;
 		pHwData->TxVgaFor50[32].ChanNo = 157;
 		pHwData->TxVgaFor50[33].ChanNo = 161;
 		stmp = pTxVga[17] - pTxVga[16];
-		pHwData->TxVgaFor50[33].TxVgaValue = pTxVga[17] - stmp/4;
-		pHwData->TxVgaFor50[32].TxVgaValue = pTxVga[17] - stmp*2/4;
-		pHwData->TxVgaFor50[31].TxVgaValue = pTxVga[17] - stmp*3/4;
+		pHwData->TxVgaFor50[33].TxVgaValue = pTxVga[17] - stmp / 4;
+		pHwData->TxVgaFor50[32].TxVgaValue = pTxVga[17] - stmp * 2 / 4;
+		pHwData->TxVgaFor50[31].TxVgaValue = pTxVga[17] - stmp * 3 / 4;
 	}
 
 	#ifdef _PE_STATE_DUMP_
-	printk(" TxVgaFor24 : \n");
-	DataDmp((u8 *)pHwData->TxVgaFor24, 14 ,0);
-	printk(" TxVgaFor50 : \n");
-	DataDmp((u8 *)pHwData->TxVgaFor50, 70 ,0);
+	printk(" TxVgaFor24 :\n");
+	DataDmp((u8 *)pHwData->TxVgaFor24, 14 , 0);
+	printk(" TxVgaFor50 :\n");
+	DataDmp((u8 *)pHwData->TxVgaFor50, 70 , 0);
 	#endif
 }
 
-void BBProcessor_RateChanging(  struct hw_data * pHwData,  u8 rate ) // 20060613.1
+void BBProcessor_RateChanging(struct hw_data *pHwData,  u8 rate)
 {
 	struct wb35_reg *reg = &pHwData->reg;
-	unsigned char		Is11bRate;
+	unsigned char	Is11bRate;
 
 	Is11bRate = (rate % 6) ? 1 : 0;
-	switch( pHwData->phy_type )
-	{
-		case RF_AIROHA_2230:
-		case RF_AIROHA_2230S: // 20060420 Add this
-			if( Is11bRate )
-			{
-				if( (reg->BB48 != BB48_DEFAULT_AL2230_11B) &&
-					(reg->BB4C != BB4C_DEFAULT_AL2230_11B) )
-				{
-					Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_AL2230_11B );
-					Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_AL2230_11B );
-				}
+	switch (pHwData->phy_type) {
+	case RF_AIROHA_2230:
+	case RF_AIROHA_2230S:
+		if (Is11bRate) {
+			if ((reg->BB48 != BB48_DEFAULT_AL2230_11B) &&
+				(reg->BB4C != BB4C_DEFAULT_AL2230_11B)) {
+				Wb35Reg_Write(pHwData, 0x1048, BB48_DEFAULT_AL2230_11B);
+				Wb35Reg_Write(pHwData, 0x104c, BB4C_DEFAULT_AL2230_11B);
 			}
-			else
-			{
-				if( (reg->BB48 != BB48_DEFAULT_AL2230_11G) &&
-					(reg->BB4C != BB4C_DEFAULT_AL2230_11G) )
-				{
-					Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_AL2230_11G );
-					Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_AL2230_11G );
-				}
+		} else {
+			if ((reg->BB48 != BB48_DEFAULT_AL2230_11G) &&
+				(reg->BB4C != BB4C_DEFAULT_AL2230_11G)) {
+				Wb35Reg_Write(pHwData, 0x1048, BB48_DEFAULT_AL2230_11G);
+				Wb35Reg_Write(pHwData, 0x104c, BB4C_DEFAULT_AL2230_11G);
 			}
-			break;
-
-		case RF_WB_242: // 20060623 The fix only for old TxVGA setting
-			if( Is11bRate )
-			{
-				if( (reg->BB48 != BB48_DEFAULT_WB242_11B) &&
-					(reg->BB4C != BB4C_DEFAULT_WB242_11B) )
-				{
-					reg->BB48 = BB48_DEFAULT_WB242_11B;
-					reg->BB4C = BB4C_DEFAULT_WB242_11B;
-					Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_WB242_11B );
-					Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_WB242_11B );
-				}
+		}
+		break;
+	case RF_WB_242:
+		if (Is11bRate) {
+			if ((reg->BB48 != BB48_DEFAULT_WB242_11B) &&
+				(reg->BB4C != BB4C_DEFAULT_WB242_11B)) {
+				reg->BB48 = BB48_DEFAULT_WB242_11B;
+				reg->BB4C = BB4C_DEFAULT_WB242_11B;
+				Wb35Reg_Write(pHwData, 0x1048, BB48_DEFAULT_WB242_11B);
+				Wb35Reg_Write(pHwData, 0x104c, BB4C_DEFAULT_WB242_11B);
 			}
-			else
-			{
-				if( (reg->BB48 != BB48_DEFAULT_WB242_11G) &&
-					(reg->BB4C != BB4C_DEFAULT_WB242_11G) )
-				{
-					reg->BB48 = BB48_DEFAULT_WB242_11G;
-					reg->BB4C = BB4C_DEFAULT_WB242_11G;
-					Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_WB242_11G );
-					Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_WB242_11G );
-				}
+		} else {
+			if ((reg->BB48 != BB48_DEFAULT_WB242_11G) &&
+				(reg->BB4C != BB4C_DEFAULT_WB242_11G)) {
+				reg->BB48 = BB48_DEFAULT_WB242_11G;
+				reg->BB4C = BB4C_DEFAULT_WB242_11G;
+				Wb35Reg_Write(pHwData, 0x1048, BB48_DEFAULT_WB242_11G);
+				Wb35Reg_Write(pHwData, 0x104c, BB4C_DEFAULT_WB242_11G);
 			}
-			break;
+		}
+		break;
 	}
 }
 
-
-
-
-
-
-

From c64ba207ddcb7ea426032ae7166b5f666ea1d3c5 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 21 Mar 2010 17:55:03 +0100
Subject: [PATCH 0981/3638] Staging: winbond: sme_api.h Coding style fixes.

I fixed the things reported by checkpatch.pl except
one long line and a __inline.
I also removed commented away code and versioning comments.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Pavel Machek <pavel@ucw.cz>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/sme_api.h | 211 ++++++++++--------------------
 1 file changed, 71 insertions(+), 140 deletions(-)

diff --git a/drivers/staging/winbond/sme_api.h b/drivers/staging/winbond/sme_api.h
index b5898294eb8..8f4596c9e9b 100644
--- a/drivers/staging/winbond/sme_api.h
+++ b/drivers/staging/winbond/sme_api.h
@@ -2,12 +2,6 @@
  * sme_api.h
  *
  * Copyright(C) 2002 Winbond Electronics Corp.
- *
- * modification history
- * ---------------------------------------------------------------------------
- * 1.00.001, 2003-04-21, Kevin       created
- * 1.00.002, 2003-05-14, PD43 & PE20 modified
- *
  */
 
 #ifndef __SME_API_H__
@@ -18,42 +12,42 @@
 #include "localpara.h"
 
 /****************** CONSTANT AND MACRO SECTION ******************************/
-#define _INLINE      __inline
+#define _INLINE				__inline
 
-#define MEDIA_STATE_DISCONNECTED    0
-#define MEDIA_STATE_CONNECTED       1
+#define MEDIA_STATE_DISCONNECTED	0
+#define MEDIA_STATE_CONNECTED		1
 
-//ARRAY CHECK
-#define MAX_POWER_TO_DB 32
+/* ARRAY CHECK */
+#define MAX_POWER_TO_DB			32
 
 /****************** TYPE DEFINITION SECTION *********************************/
 
 /****************** EXPORTED FUNCTION DECLARATION SECTION *******************/
 
-// OID_802_11_BSSID
+/* OID_802_11_BSSID */
 s8 sme_get_bssid(void *pcore_data, u8 *pbssid);
-s8 sme_get_desired_bssid(void *pcore_data, u8 *pbssid);//Not use
+s8 sme_get_desired_bssid(void *pcore_data, u8 *pbssid); /* Not use */
 s8 sme_set_desired_bssid(void *pcore_data, u8 *pbssid);
 
-// OID_802_11_SSID
+/* OID_802_11_SSID */
 s8 sme_get_ssid(void *pcore_data, u8 *pssid, u8 *pssid_len);
-s8 sme_get_desired_ssid(void *pcore_data, u8 *pssid, u8 *pssid_len);// Not use
+s8 sme_get_desired_ssid(void *pcore_data, u8 *pssid, u8 *pssid_len);/* Not use */
 s8 sme_set_desired_ssid(void *pcore_data, u8 *pssid, u8 ssid_len);
 
-// OID_802_11_INFRASTRUCTURE_MODE
+/* OID_802_11_INFRASTRUCTURE_MODE */
 s8 sme_get_bss_type(void *pcore_data, u8 *pbss_type);
-s8 sme_get_desired_bss_type(void *pcore_data, u8 *pbss_type);//Not use
+s8 sme_get_desired_bss_type(void *pcore_data, u8 *pbss_type); /* Not use */
 s8 sme_set_desired_bss_type(void *pcore_data, u8 bss_type);
 
-// OID_802_11_FRAGMENTATION_THRESHOLD
+/* OID_802_11_FRAGMENTATION_THRESHOLD */
 s8 sme_get_fragment_threshold(void *pcore_data, u32 *pthreshold);
 s8 sme_set_fragment_threshold(void *pcore_data, u32 threshold);
 
-// OID_802_11_RTS_THRESHOLD
+/* OID_802_11_RTS_THRESHOLD */
 s8 sme_get_rts_threshold(void *pcore_data, u32 *pthreshold);
 s8 sme_set_rts_threshold(void *pcore_data, u32 threshold);
 
-// OID_802_11_CONFIGURATION
+/* OID_802_11_CONFIGURATION */
 s8 sme_get_beacon_period(void *pcore_data, u16 *pbeacon_period);
 s8 sme_set_beacon_period(void *pcore_data, u16 beacon_period);
 
@@ -64,116 +58,69 @@ s8 sme_get_current_channel(void *pcore_data, u8 *pcurrent_channel);
 s8 sme_get_current_band(void *pcore_data, u8 *pcurrent_band);
 s8 sme_set_current_channel(void *pcore_data, u8 current_channel);
 
-// OID_802_11_BSSID_LIST
+/* OID_802_11_BSSID_LIST */
 s8 sme_get_scan_bss_count(void *pcore_data, u8 *pcount);
 s8 sme_get_scan_bss(void *pcore_data, u8 index, void **ppbss);
 
 s8 sme_get_connected_bss(void *pcore_data, void **ppbss_now);
 
-// OID_802_11_AUTHENTICATION_MODE
+/* OID_802_11_AUTHENTICATION_MODE */
 s8 sme_get_auth_mode(void *pcore_data, u8 *pauth_mode);
 s8 sme_set_auth_mode(void *pcore_data, u8 auth_mode);
 
-// OID_802_11_WEP_STATUS / OID_802_11_ENCRYPTION_STATUS
+/* OID_802_11_WEP_STATUS / OID_802_11_ENCRYPTION_STATUS */
 s8 sme_get_wep_mode(void *pcore_data, u8 *pwep_mode);
 s8 sme_set_wep_mode(void *pcore_data, u8 wep_mode);
-//s8 sme_get_encryption_status(void *pcore_data, u8 *pstatus);
-//s8 sme_set_encryption_status(void *pcore_data, u8 status);
 
-// ???????????????????????????????????????
-
-// OID_GEN_VENDOR_ID
-// OID_802_3_PERMANENT_ADDRESS
+/* OID_GEN_VENDOR_ID */
+/* OID_802_3_PERMANENT_ADDRESS */
 s8 sme_get_permanent_mac_addr(void *pcore_data, u8 *pmac_addr);
 
-// OID_802_3_CURRENT_ADDRESS
+/* OID_802_3_CURRENT_ADDRESS */
 s8 sme_get_current_mac_addr(void *pcore_data, u8 *pmac_addr);
 
-// OID_802_11_NETWORK_TYPE_IN_USE
+/* OID_802_11_NETWORK_TYPE_IN_USE */
 s8 sme_get_network_type_in_use(void *pcore_data, u8 *ptype);
 s8 sme_set_network_type_in_use(void *pcore_data, u8 type);
 
-// OID_802_11_SUPPORTED_RATES
+/* OID_802_11_SUPPORTED_RATES */
 s8 sme_get_supported_rate(void *pcore_data, u8 *prates);
 
-// OID_802_11_ADD_WEP
-//12/29/03' wkchen
+/* OID_802_11_ADD_WEP */
 s8 sme_set_add_wep(void *pcore_data, u32 key_index, u32 key_len,
 					 u8 *Address, u8 *key);
 
-// OID_802_11_REMOVE_WEP
+/* OID_802_11_REMOVE_WEP */
 s8 sme_set_remove_wep(void *pcre_data, u32 key_index);
 
-// OID_802_11_DISASSOCIATE
+/* OID_802_11_DISASSOCIATE */
 s8 sme_set_disassociate(void *pcore_data);
 
-// OID_802_11_POWER_MODE
+/* OID_802_11_POWER_MODE */
 s8 sme_get_power_mode(void *pcore_data, u8 *pmode);
 s8 sme_set_power_mode(void *pcore_data, u8 mode);
 
-// OID_802_11_BSSID_LIST_SCAN
+/* OID_802_11_BSSID_LIST_SCAN */
 s8 sme_set_bssid_list_scan(void *pcore_data, void *pscan_para);
 
-// OID_802_11_RELOAD_DEFAULTS
+/* OID_802_11_RELOAD_DEFAULTS */
 s8 sme_set_reload_defaults(void *pcore_data, u8 reload_type);
 
 
-// The following SME API functions are used for WPA
-//
-// Mandatory OIDs for WPA
-//
-
-// OID_802_11_ADD_KEY
-//s8 sme_set_add_key(void *pcore_data, NDIS_802_11_KEY *pkey);
-
-// OID_802_11_REMOVE_KEY
-//s8 sme_set_remove_key(void *pcore_data, NDIS_802_11_REMOVE_KEY *pkey);
-
-// OID_802_11_ASSOCIATION_INFORMATION
-//s8 sme_set_association_information(void *pcore_data,
-//                    NDIS_802_11_ASSOCIATION_INFORMATION *pinfo);
-
-// OID_802_11_TEST
-//s8 sme_set_test(void *pcore_data, NDIS_802_11_TEST *ptest_data);
-
-//--------------------------------------------------------------------------//
-/*
-// The left OIDs
-
-// OID_802_11_NETWORK_TYPES_SUPPORTED
-// OID_802_11_TX_POWER_LEVEL
-// OID_802_11_RSSI_TRIGGER
-// OID_802_11_NUMBER_OF_ANTENNAS
-// OID_802_11_RX_ANTENNA_SELECTED
-// OID_802_11_TX_ANTENNA_SELECTED
-// OID_802_11_STATISTICS
-// OID_802_11_DESIRED_RATES
-// OID_802_11_PRIVACY_FILTER
-
-*/
-
 /*------------------------- none-standard ----------------------------------*/
 s8 sme_get_connect_status(void *pcore_data, u8 *pstatus);
-
-/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
-//s8 sme_get_scan_type(void *pcore_data, u8 *pscan_type);
-//s8 sme_set_scan_type(void *pcore_data, u8 scan_type);
-
-//s8 sme_get_scan_channel_list(void *pcore_data, u8 *pscan_type);
-//s8 sme_set_scan_channel_list(void *pcore_data, u8 scan_type);
-
+/*--------------------------------------------------------------------------*/
 
 void sme_get_encryption_status(void *pcore_data, u8 *EncryptStatus);
 void sme_set_encryption_status(void *pcore_data, u8 EncryptStatus);
-s8 sme_add_key(void		*pcore_data,
-					u32		key_index,
-					u8		key_len,
-					u8		key_type,
-					u8		*key_bssid,
-					//u8		*key_rsc,
-					u8		*ptx_tsc,
-					u8		*prx_tsc,
-					u8		*key_material);
+s8 sme_add_key(void	*pcore_data,
+		u32	key_index,
+		u8	key_len,
+		u8	key_type,
+		u8	*key_bssid,
+		u8	*ptx_tsc,
+		u8	*prx_tsc,
+		u8	*key_material);
 void sme_remove_default_key(void *pcore_data, int index);
 void sme_remove_mapping_key(void *pcore_data, u8 *pmac_addr);
 void sme_clear_all_mapping_key(void *pcore_data);
@@ -202,60 +149,44 @@ u8 sme_set_rx_antenna(void *pcore_data, u32 RxAntenna);
 void sme_get_tx_antenna(void *pcore_data, u32 *TxAntenna);
 s8 sme_set_tx_antenna(void *pcore_data, u32 TxAntenna);
 s8 sme_set_IBSS_chan(void *pcore_data, struct chan_info chan);
-
-//20061108 WPS
 s8 sme_set_IE_append(void *pcore_data, u8 *buffer, u16 buf_len);
 
-
-
-
-//================== Local functions ======================
-//#ifdef _HSINCHU
-//void drv_translate_rssi();   // HW RSSI bit -> NDIS RSSI representation
-//void drv_translate_bss_description(); // Local bss desc -> NDIS bss desc
-//void drv_translate_channel(u8 NetworkType, u8 ChannelNumber, u32 *freq); // channel number -> channel /freq.
-//#endif _HSINCHU
-//
-static const u32 PowerDbToMw[] =
-{
-	56,	//mW, MAX - 0,	17.5 dbm
-	40,	//mW, MAX - 1,	16.0 dbm
-	30,	//mW, MAX - 2,	14.8 dbm
-	20,	//mW, MAX - 3,	13.0 dbm
-	15,	//mW, MAX - 4,	11.8 dbm
-	12,	//mW, MAX - 5,	10.6 dbm
-	9,	//mW, MAX - 6,	 9.4 dbm
-	7,	//mW, MAX - 7,	 8.3 dbm
-	5,	//mW, MAX - 8,	 6.4 dbm
-	4,	//mW, MAX - 9,	 5.3 dbm
-	3,	//mW, MAX - 10,  4.0 dbm
-	2,	//mW, MAX - 11,  ? dbm
-	2,	//mW, MAX - 12,  ? dbm
-	2,	//mW, MAX - 13,  ? dbm
-	2,	//mW, MAX - 14,  ? dbm
-	2,	//mW, MAX - 15,  ? dbm
-	2,	//mW, MAX - 16,  ? dbm
-	2,	//mW, MAX - 17,  ? dbm
-	2,	//mW, MAX - 18,  ? dbm
-	1,	//mW, MAX - 19,  ? dbm
-	1,	//mW, MAX - 20,  ? dbm
-	1,	//mW, MAX - 21,  ? dbm
-	1,	//mW, MAX - 22,  ? dbm
-	1,	//mW, MAX - 23,  ? dbm
-	1,	//mW, MAX - 24,  ? dbm
-	1,	//mW, MAX - 25,  ? dbm
-	1,	//mW, MAX - 26,  ? dbm
-	1,	//mW, MAX - 27,  ? dbm
-	1,	//mW, MAX - 28,  ? dbm
-	1,	//mW, MAX - 29,  ? dbm
-	1,	//mW, MAX - 30,  ? dbm
-	1	//mW, MAX - 31,  ? dbm
+/* ================== Local functions ====================== */
+static const u32 PowerDbToMw[] = {
+	56,	/* mW, MAX - 0,	17.5 dbm */
+	40,	/* mW, MAX - 1,	16.0 dbm */
+	30,	/* mW, MAX - 2,	14.8 dbm */
+	20,	/* mW, MAX - 3,	13.0 dbm */
+	15,	/* mW, MAX - 4,	11.8 dbm */
+	12,	/* mW, MAX - 5,	10.6 dbm */
+	9,	/* mW, MAX - 6,	 9.4 dbm */
+	7,	/* mW, MAX - 7,	 8.3 dbm */
+	5,	/* mW, MAX - 8,	 6.4 dbm */
+	4,	/* mW, MAX - 9,	 5.3 dbm */
+	3,	/* mW, MAX - 10,  4.0 dbm */
+	2,	/* mW, MAX - 11,  ? dbm */
+	2,	/* mW, MAX - 12,  ? dbm */
+	2,	/* mW, MAX - 13,  ? dbm */
+	2,	/* mW, MAX - 14,  ? dbm */
+	2,	/* mW, MAX - 15,  ? dbm */
+	2,	/* mW, MAX - 16,  ? dbm */
+	2,	/* mW, MAX - 17,  ? dbm */
+	2,	/* mW, MAX - 18,  ? dbm */
+	1,	/* mW, MAX - 19,  ? dbm */
+	1,	/* mW, MAX - 20,  ? dbm */
+	1,	/* mW, MAX - 21,  ? dbm */
+	1,	/* mW, MAX - 22,  ? dbm */
+	1,	/* mW, MAX - 23,  ? dbm */
+	1,	/* mW, MAX - 24,  ? dbm */
+	1,	/* mW, MAX - 25,  ? dbm */
+	1,	/* mW, MAX - 26,  ? dbm */
+	1,	/* mW, MAX - 27,  ? dbm */
+	1,	/* mW, MAX - 28,  ? dbm */
+	1,	/* mW, MAX - 29,  ? dbm */
+	1,	/* mW, MAX - 30,  ? dbm */
+	1	/* mW, MAX - 31,  ? dbm */
 };
 
-
-
-
-
 #endif /* __SME_API_H__ */
 
 

From 89343a0e058c26965696c74321248768a1292f12 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 21 Mar 2010 22:31:30 +0100
Subject: [PATCH 0982/3638] Staging: winbond: sysdef.h Coding style fixes.

I fixed the C99 comments and removed commented away code.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/sysdef.h | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/winbond/sysdef.h b/drivers/staging/winbond/sysdef.h
index 251b9c553b6..9195adf98e1 100644
--- a/drivers/staging/winbond/sysdef.h
+++ b/drivers/staging/winbond/sysdef.h
@@ -1,31 +1,19 @@
+/*  Winbond WLAN System Configuration defines */
 
-
-//
-// Winbond WLAN System Configuration defines
-//
-
-//=====================================================================
-// Current directory is Linux
-// The definition WB_LINUX is a keyword for this OS
-//=====================================================================
 #ifndef SYS_DEF_H
 #define SYS_DEF_H
 #define WB_LINUX
 #define WB_LINUX_WPA_PSK
 
-
-//#define _IBSS_BEACON_SEQ_STICK_
 #define _USE_FALLBACK_RATE_
-//#define ANTDIV_DEFAULT_ON
-
-#define _WPA2_	// 20061122 It's needed for current Linux driver
 
+#define _WPA2_
 
 #ifndef _WPA_PSK_DEBUG
 #undef  _WPA_PSK_DEBUG
 #endif
 
-// debug print options, mark what debug you don't need
+/* debug print options, mark what debug you don't need */
 
 #ifdef FULL_DEBUG
 #define _PE_STATE_DUMP_

From d4279a9f2cfd349b8e308770b826ae09f3f5b86d Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Mon, 22 Mar 2010 11:55:30 +0100
Subject: [PATCH 0983/3638] Staging: winbond: wb35reg_f.h Coding style fixes.

I fixed the checkpatch things except a couple of long lines.
I also removed hungarian notation and CamelCase from the argument names
and some "commented away" code.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wb35reg_f.h | 96 +++++++++++++++--------------
 1 file changed, 50 insertions(+), 46 deletions(-)

diff --git a/drivers/staging/winbond/wb35reg_f.h b/drivers/staging/winbond/wb35reg_f.h
index d352bce5c17..bf23c108419 100644
--- a/drivers/staging/winbond/wb35reg_f.h
+++ b/drivers/staging/winbond/wb35reg_f.h
@@ -3,59 +3,63 @@
 
 #include "wbhal_s.h"
 
-//====================================
-// Interface function declare
-//====================================
-unsigned char Wb35Reg_initial(  struct hw_data * pHwData );
-void Uxx_power_on_procedure(  struct hw_data * pHwData );
-void Uxx_power_off_procedure(  struct hw_data * pHwData );
-void Uxx_ReadEthernetAddress(  struct hw_data * pHwData );
-void Dxx_initial(  struct hw_data * pHwData );
-void Mxx_initial(  struct hw_data * pHwData );
-void RFSynthesizer_initial(  struct hw_data * pHwData );
-//void RFSynthesizer_SwitchingChannel(  struct hw_data * pHwData,  s8 Channel );
-void RFSynthesizer_SwitchingChannel(  struct hw_data * pHwData,  struct chan_info Channel );
-void BBProcessor_initial(  struct hw_data * pHwData );
-void BBProcessor_RateChanging(  struct hw_data * pHwData,  u8 rate ); // 20060613.1
-//void RF_RateChanging(  struct hw_data * pHwData,  u8 rate ); // 20060626.5.c Add
-u8 RFSynthesizer_SetPowerIndex(  struct hw_data * pHwData,  u8 PowerIndex );
-u8 RFSynthesizer_SetMaxim2828_24Power(  struct hw_data *,  u8 index );
-u8 RFSynthesizer_SetMaxim2828_50Power(  struct hw_data *,  u8 index );
-u8 RFSynthesizer_SetMaxim2827_24Power(  struct hw_data *,  u8 index );
-u8 RFSynthesizer_SetMaxim2827_50Power(  struct hw_data *,  u8 index );
-u8 RFSynthesizer_SetMaxim2825Power(  struct hw_data *,  u8 index );
-u8 RFSynthesizer_SetAiroha2230Power(  struct hw_data *,  u8 index );
-u8 RFSynthesizer_SetAiroha7230Power(  struct hw_data *,  u8 index );
-u8 RFSynthesizer_SetWinbond242Power(  struct hw_data *,  u8 index );
-void GetTxVgaFromEEPROM(  struct hw_data * pHwData );
-void EEPROMTxVgaAdjust(  struct hw_data * pHwData ); // 20060619.5 Add
+/*
+ * ====================================
+ * Interface function declare
+ * ====================================
+ */
+unsigned char Wb35Reg_initial(struct hw_data *hw_data);
+void Uxx_power_on_procedure(struct hw_data *hw_data);
+void Uxx_power_off_procedure(struct hw_data *hw_data);
+void Uxx_ReadEthernetAddress(struct hw_data *hw_data);
+void Dxx_initial(struct hw_data *hw_data);
+void Mxx_initial(struct hw_data *hw_data);
+void RFSynthesizer_initial(struct hw_data *hw_data);
+void RFSynthesizer_SwitchingChannel(struct hw_data *hw_data, struct chan_info channel);
+void BBProcessor_initial(struct hw_data *hw_data);
+void BBProcessor_RateChanging(struct hw_data *hw_data, u8 rate);
+u8 RFSynthesizer_SetPowerIndex(struct hw_data *hw_data, u8 power_index);
+u8 RFSynthesizer_SetMaxim2828_24Power(struct hw_data *, u8 index);
+u8 RFSynthesizer_SetMaxim2828_50Power(struct hw_data *, u8 index);
+u8 RFSynthesizer_SetMaxim2827_24Power(struct hw_data *, u8 index);
+u8 RFSynthesizer_SetMaxim2827_50Power(struct hw_data *, u8 index);
+u8 RFSynthesizer_SetMaxim2825Power(struct hw_data *, u8 index);
+u8 RFSynthesizer_SetAiroha2230Power(struct hw_data *, u8 index);
+u8 RFSynthesizer_SetAiroha7230Power(struct hw_data *, u8 index);
+u8 RFSynthesizer_SetWinbond242Power(struct hw_data *, u8 index);
+void GetTxVgaFromEEPROM(struct hw_data *hw_data);
+void EEPROMTxVgaAdjust(struct hw_data *hw_data);
 
-#define RFWriteControlData( _A, _V ) Wb35Reg_Write( _A, 0x0864, _V )
+#define RFWriteControlData(_A, _V) Wb35Reg_Write(_A, 0x0864, _V)
 
-void Wb35Reg_destroy(  struct hw_data * pHwData );
+void Wb35Reg_destroy(struct hw_data *hw_data);
 
-unsigned char Wb35Reg_Read(  struct hw_data * pHwData,  u16 RegisterNo,   u32 * pRegisterValue );
-unsigned char Wb35Reg_ReadSync(  struct hw_data * pHwData,  u16 RegisterNo,   u32 * pRegisterValue );
-unsigned char Wb35Reg_Write(  struct hw_data * pHwData,  u16 RegisterNo,  u32 RegisterValue );
-unsigned char Wb35Reg_WriteSync(  struct hw_data * pHwData,  u16 RegisterNo,  u32 RegisterValue );
-unsigned char Wb35Reg_WriteWithCallbackValue(  struct hw_data * pHwData,
-								 u16 RegisterNo,
-								 u32 RegisterValue,
-								 s8 *pValue,
-								 s8 Len);
-unsigned char Wb35Reg_BurstWrite(  struct hw_data * pHwData,  u16 RegisterNo,  u32 * pRegisterData,  u8 NumberOfData,  u8 Flag );
+unsigned char Wb35Reg_Read(struct hw_data *hw_data, u16 register_no, u32 *register_value);
+unsigned char Wb35Reg_ReadSync(struct hw_data *hw_data, u16 register_no, u32 *register_value);
+unsigned char Wb35Reg_Write(struct hw_data *hw_data, u16 register_no, u32 register_value);
+unsigned char Wb35Reg_WriteSync(struct hw_data *hw_data, u16 register_no, u32 register_value);
+unsigned char Wb35Reg_WriteWithCallbackValue(struct hw_data *hw_data,
+							 u16 register_no,
+							 u32 register_value,
+							 s8 *value,
+							 s8 len);
+unsigned char Wb35Reg_BurstWrite(struct hw_data *hw_data,
+					u16 register_no,
+					u32 *register_data,
+					u8 number_of_data,
+					u8 flag);
 
-void Wb35Reg_EP0VM(  struct hw_data * pHwData );
-void Wb35Reg_EP0VM_start(  struct hw_data * pHwData );
+void Wb35Reg_EP0VM(struct hw_data *hw_data);
+void Wb35Reg_EP0VM_start(struct hw_data *hw_data);
 void Wb35Reg_EP0VM_complete(struct urb *urb);
 
-u32 BitReverse( u32 dwData, u32 DataLength);
+u32 BitReverse(u32 data, u32 data_length);
 
-void CardGetMulticastBit(   u8 Address[MAC_ADDR_LENGTH],  u8 *Byte,  u8 *Value );
-u32 CardComputeCrc(  u8 * Buffer,  u32 Length );
+void CardGetMulticastBit(u8 address[MAC_ADDR_LENGTH], u8 *byte, u8 *value);
+u32 CardComputeCrc(u8 *buffer, u32 length);
 
-void Wb35Reg_phy_calibration(  struct hw_data * pHwData );
-void Wb35Reg_Update(  struct hw_data * pHwData,  u16 RegisterNo,  u32 RegisterValue );
-unsigned char adjust_TXVGA_for_iq_mag(  struct hw_data * pHwData );
+void Wb35Reg_phy_calibration(struct hw_data *hw_data);
+void Wb35Reg_Update(struct hw_data *hw_data, u16 register_no, u32 register_value);
+unsigned char adjust_TXVGA_for_iq_mag(struct hw_data *hw_data);
 
 #endif

From 25e47dfc863406a29d7e66c4d673cc712647b50f Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Mon, 22 Mar 2010 18:59:58 +0100
Subject: [PATCH 0984/3638] Staging: winbond: wb35reg_s.h Coding styls fixes.

I fixed all problems reported by checkpatch.pl except
some long lines. I also removed commented away code and
revision comments.
Checked for regressions with Dan Carpenters
strip_whitespace.pl and diff.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wb35reg_s.h | 209 ++++++++++++++--------------
 1 file changed, 104 insertions(+), 105 deletions(-)

diff --git a/drivers/staging/winbond/wb35reg_s.h b/drivers/staging/winbond/wb35reg_s.h
index 32ef4b8a2d2..4eff009444b 100644
--- a/drivers/staging/winbond/wb35reg_s.h
+++ b/drivers/staging/winbond/wb35reg_s.h
@@ -5,98 +5,100 @@
 #include <linux/types.h>
 #include <asm/atomic.h>
 
-//=======================================================================================
-/*
-				HAL setting function
+/* =========================================================================
+ *
+ *			HAL setting function
+ *
+ *		========================================
+ *		|Uxx| 	|Dxx|	|Mxx|	|BB|	|RF|
+ *		========================================
+ *			|					|
+ *		Wb35Reg_Read		Wb35Reg_Write
+ *
+ *		----------------------------------------
+ *				WbUsb_CallUSBDASync	supplied By WbUsb module
+ * ==========================================================================
+ */
+#define GetBit(dwData, i)	(dwData & (0x00000001 << i))
+#define SetBit(dwData, i)	(dwData | (0x00000001 << i))
+#define ClearBit(dwData, i)	(dwData & ~(0x00000001 << i))
 
-		========================================
-		|Uxx| 	|Dxx|	|Mxx|	|BB|	|RF|
-		========================================
-			|					|
-		Wb35Reg_Read		Wb35Reg_Write
+#define	IGNORE_INCREMENT	0
+#define	AUTO_INCREMENT		0
+#define	NO_INCREMENT		1
+#define REG_DIRECTION(_x, _y)	((_y)->DIRECT == 0 ? usb_rcvctrlpipe(_x, 0) : usb_sndctrlpipe(_x, 0))
+#define REG_BUF_SIZE(_x)	((_x)->bRequest == 0x04 ? cpu_to_le16((_x)->wLength) : 4)
 
-		----------------------------------------
-				WbUsb_CallUSBDASync					supplied By WbUsb module
-*/
-//=======================================================================================
-
-#define     GetBit( dwData, i)      ( dwData & (0x00000001 << i))
-#define     SetBit( dwData, i)      ( dwData | (0x00000001 << i))
-#define     ClearBit( dwData, i)    ( dwData & ~(0x00000001 << i))
-
-#define		IGNORE_INCREMENT	0
-#define		AUTO_INCREMENT		0
-#define		NO_INCREMENT		1
-#define REG_DIRECTION(_x,_y)   ((_y)->DIRECT ==0 ? usb_rcvctrlpipe(_x,0) : usb_sndctrlpipe(_x,0))
-#define REG_BUF_SIZE(_x)       ((_x)->bRequest== 0x04 ? cpu_to_le16((_x)->wLength) : 4)
-
-// 20060613.2 Add the follow definition
 #define BB48_DEFAULT_AL2230_11B		0x0033447c
 #define BB4C_DEFAULT_AL2230_11B		0x0A00FEFF
 #define BB48_DEFAULT_AL2230_11G		0x00332C1B
 #define BB4C_DEFAULT_AL2230_11G		0x0A00FEFF
 
 
-#define BB48_DEFAULT_WB242_11B		0x00292315	//backoff  2dB
-#define BB4C_DEFAULT_WB242_11B		0x0800FEFF	//backoff  2dB
-//#define BB48_DEFAULT_WB242_11B		0x00201B11	//backoff  4dB
-//#define BB4C_DEFAULT_WB242_11B		0x0600FF00	//backoff  4dB
+#define BB48_DEFAULT_WB242_11B		0x00292315	/* backoff  2dB */
+#define BB4C_DEFAULT_WB242_11B		0x0800FEFF	/* backoff  2dB */
 #define BB48_DEFAULT_WB242_11G		0x00453B24
 #define BB4C_DEFAULT_WB242_11G		0x0E00FEFF
 
-//====================================
-// Default setting for Mxx
-//====================================
-#define DEFAULT_CWMIN					31		//(M2C) CWmin. Its value is in the range 0-31.
-#define DEFAULT_CWMAX					1023	//(M2C) CWmax. Its value is in the range 0-1023.
-#define DEFAULT_AID						1		//(M34) AID. Its value is in the range 1-2007.
+/*
+ * ====================================
+ *  Default setting for Mxx
+ * ====================================
+ */
+#define DEFAULT_CWMIN			31	/* (M2C) CWmin. Its value is in the range 0-31. */
+#define DEFAULT_CWMAX			1023	/* (M2C) CWmax. Its value is in the range 0-1023. */
+#define DEFAULT_AID			1	/* (M34) AID. Its value is in the range 1-2007. */
 
 #ifdef _USE_FALLBACK_RATE_
-#define DEFAULT_RATE_RETRY_LIMIT		2		//(M38) as named
+#define DEFAULT_RATE_RETRY_LIMIT	2	/* (M38) as named */
 #else
-#define DEFAULT_RATE_RETRY_LIMIT		7		//(M38) as named
+#define DEFAULT_RATE_RETRY_LIMIT	7	/* (M38) as named */
 #endif
 
-#define DEFAULT_LONG_RETRY_LIMIT		7		//(M38) LongRetryLimit. Its value is in the range 0-15.
-#define DEFAULT_SHORT_RETRY_LIMIT		7		//(M38) ShortRetryLimit. Its value is in the range 0-15.
-#define DEFAULT_PIFST					25		//(M3C) PIFS Time. Its value is in the range 0-65535.
-#define DEFAULT_EIFST					354		//(M3C) EIFS Time. Its value is in the range 0-1048575.
-#define DEFAULT_DIFST					45		//(M3C) DIFS Time. Its value is in the range 0-65535.
-#define DEFAULT_SIFST					5		//(M3C) SIFS Time. Its value is in the range 0-65535.
-#define DEFAULT_OSIFST					10		//(M3C) Original SIFS Time. Its value is in the range 0-15.
-#define DEFAULT_ATIMWD					0		//(M40) ATIM Window. Its value is in the range 0-65535.
-#define DEFAULT_SLOT_TIME				20		//(M40) ($) SlotTime. Its value is in the range 0-255.
-#define DEFAULT_MAX_TX_MSDU_LIFE_TIME	512	//(M44) MaxTxMSDULifeTime. Its value is in the range 0-4294967295.
-#define DEFAULT_BEACON_INTERVAL			500		//(M48) Beacon Interval. Its value is in the range 0-65535.
-#define DEFAULT_PROBE_DELAY_TIME		200		//(M48) Probe Delay Time. Its value is in the range 0-65535.
-#define DEFAULT_PROTOCOL_VERSION		0		//(M4C)
-#define DEFAULT_MAC_POWER_STATE			2		//(M4C) 2: MAC at power active
-#define DEFAULT_DTIM_ALERT_TIME			0
+#define DEFAULT_LONG_RETRY_LIMIT	7	/* (M38) LongRetryLimit. Its value is in the range 0-15. */
+#define DEFAULT_SHORT_RETRY_LIMIT	7	/* (M38) ShortRetryLimit. Its value is in the range 0-15. */
+#define DEFAULT_PIFST			25	/* (M3C) PIFS Time. Its value is in the range 0-65535. */
+#define DEFAULT_EIFST			354	/* (M3C) EIFS Time. Its value is in the range 0-1048575. */
+#define DEFAULT_DIFST			45	/* (M3C) DIFS Time. Its value is in the range 0-65535. */
+#define DEFAULT_SIFST			5	/* (M3C) SIFS Time. Its value is in the range 0-65535. */
+#define DEFAULT_OSIFST			10	/* (M3C) Original SIFS Time. Its value is in the range 0-15. */
+#define DEFAULT_ATIMWD			0	/* (M40) ATIM Window. Its value is in the range 0-65535. */
+#define DEFAULT_SLOT_TIME		20	/* (M40) ($) SlotTime. Its value is in the range 0-255. */
+#define DEFAULT_MAX_TX_MSDU_LIFE_TIME	512	/* (M44) MaxTxMSDULifeTime. Its value is in the range 0-4294967295. */
+#define DEFAULT_BEACON_INTERVAL		500	/* (M48) Beacon Interval. Its value is in the range 0-65535. */
+#define DEFAULT_PROBE_DELAY_TIME	200	/* (M48) Probe Delay Time. Its value is in the range 0-65535. */
+#define DEFAULT_PROTOCOL_VERSION	0	/* (M4C) */
+#define DEFAULT_MAC_POWER_STATE		2	/* (M4C) 2: MAC at power active */
+#define DEFAULT_DTIM_ALERT_TIME		0
 
 
 struct wb35_reg_queue {
-	struct urb 	*urb;
+	struct urb	*urb;
 	void		*pUsbReq;
 	void		*Next;
 	union {
 		u32	VALUE;
 		u32	*pBuffer;
 	};
-	u8		RESERVED[4]; // space reserved for communication
-	u16		INDEX; // For storing the register index
-	u8		RESERVED_VALID;	// Indicate whether the RESERVED space is valid at this command.
-	u8		DIRECT; // 0:In   1:Out
+	u8		RESERVED[4];	/* space reserved for communication */
+	u16		INDEX;		/* For storing the register index */
+	u8		RESERVED_VALID;	/* Indicate whether the RESERVED space is valid at this command. */
+	u8		DIRECT;		/* 0:In   1:Out */
 };
 
-//====================================
-// Internal variable for module
-//====================================
+/*
+ * ====================================
+ * Internal variable for module
+ * ====================================
+ */
 #define MAX_SQ3_FILTER_SIZE		5
 struct wb35_reg {
-	//============================
-	// Register Bank backup
-	//============================
-	u32	U1B0;			//bit16 record the h/w radio on/off status
+	/*
+	 * ============================
+	 *  Register Bank backup
+	 * ============================
+	 */
+	u32	U1B0;			/* bit16 record the h/w radio on/off status */
 	u32	U1BC_LEDConfigure;
 	u32	D00_DmaControl;
 	u32	M00_MacControl;
@@ -105,68 +107,65 @@ struct wb35_reg {
 			u32	M04_MulticastAddress1;
 			u32	M08_MulticastAddress2;
 		};
-		u8		Multicast[8];	// contents of card multicast registers
+		u8		Multicast[8];	/* contents of card multicast registers */
 	};
 
 	u32	M24_MacControl;
 	u32	M28_MacControl;
 	u32	M2C_MacControl;
 	u32	M38_MacControl;
-	u32	M3C_MacControl; // 20060214 backup only
+	u32	M3C_MacControl;
 	u32	M40_MacControl;
-	u32	M44_MacControl; // 20060214 backup only
-	u32	M48_MacControl; // 20060214 backup only
+	u32	M44_MacControl;
+	u32	M48_MacControl;
 	u32	M4C_MacStatus;
-	u32	M60_MacControl; // 20060214 backup only
-	u32	M68_MacControl; // 20060214 backup only
-	u32	M70_MacControl; // 20060214 backup only
-	u32	M74_MacControl; // 20060214 backup only
-	u32	M78_ERPInformation;//930206.2.b
-	u32	M7C_MacControl; // 20060214 backup only
-	u32	M80_MacControl; // 20060214 backup only
-	u32	M84_MacControl; // 20060214 backup only
-	u32	M88_MacControl; // 20060214 backup only
-	u32	M98_MacControl; // 20060214 backup only
+	u32	M60_MacControl;
+	u32	M68_MacControl;
+	u32	M70_MacControl;
+	u32	M74_MacControl;
+	u32	M78_ERPInformation;
+	u32	M7C_MacControl;
+	u32	M80_MacControl;
+	u32	M84_MacControl;
+	u32	M88_MacControl;
+	u32	M98_MacControl;
 
-	//[20040722 WK]
-	//Baseband register
-	u32	BB0C;	// Used for LNA calculation
-	u32	BB2C;	//
-	u32	BB30;	//11b acquisition control register
+	/* Baseband register */
+	u32	BB0C;	/* Used for LNA calculation */
+	u32	BB2C;
+	u32	BB30;	/* 11b acquisition control register */
 	u32	BB3C;
-	u32	BB48;	// 20051221.1.a 20060613.1 Fix OBW issue of 11b/11g rate
-	u32	BB4C;	// 20060613.1  Fix OBW issue of 11b/11g rate
-	u32	BB50;	//mode control register
+	u32	BB48;
+	u32	BB4C;
+	u32	BB50;	/* mode control register */
 	u32	BB54;
-	u32 	BB58;	//IQ_ALPHA
-	u32	BB5C;	// For test
-	u32	BB60;	// for WTO read value
+	u32	BB58;	/* IQ_ALPHA */
+	u32	BB5C;	/* For test */
+	u32	BB60;	/* for WTO read value */
 
-	//-------------------
-	// VM
-	//-------------------
-	spinlock_t	EP0VM_spin_lock; // 4B
-	u32	        EP0VM_status;//$$
+	/* VM */
+	spinlock_t	EP0VM_spin_lock; /* 4B */
+	u32		EP0VM_status; /* $$ */
 	struct wb35_reg_queue *reg_first;
 	struct wb35_reg_queue *reg_last;
-	atomic_t       RegFireCount;
+	atomic_t	RegFireCount;
 
-	// Hardware status
+	/* Hardware status */
 	u8	EP0vm_state;
 	u8	mac_power_save;
-	u8	EEPROMPhyType; // 0 ~ 15 for Maxim (0 ĄV MAX2825, 1 ĄV MAX2827, 2 ĄV MAX2828, 3 ĄV MAX2829),
-						   // 16 ~ 31 for Airoha (16 ĄV AL2230, 11 - AL7230)
-						   // 32 ~ Reserved
-						   // 33 ~ 47 For WB242 ( 33 - WB242, 34 - WB242 with new Txvga 0.5 db step)
-						   // 48 ~ 255 ARE RESERVED.
-	u8	EEPROMRegion;	//Region setting in EEPROM
+	u8	EEPROMPhyType; /*
+				* 0 ~ 15 for Maxim (0 ĄV MAX2825, 1 ĄV MAX2827, 2 ĄV MAX2828, 3 ĄV MAX2829),
+				* 16 ~ 31 for Airoha (16 ĄV AL2230, 11 - AL7230)
+				* 32 ~ Reserved
+				* 33 ~ 47 For WB242 ( 33 - WB242, 34 - WB242 with new Txvga 0.5 db step)
+				* 48 ~ 255 ARE RESERVED.
+				*/
+	u8	EEPROMRegion;	/* Region setting in EEPROM */
 
-	u32	SyncIoPause; // If user use the Sync Io to access Hw, then pause the async access
+	u32	SyncIoPause; /* If user use the Sync Io to access Hw, then pause the async access */
 
-	u8	LNAValue[4]; //Table for speed up running
+	u8	LNAValue[4]; /* Table for speed up running */
 	u32	SQ3_filter[MAX_SQ3_FILTER_SIZE];
 	u32	SQ3_index;
-
 };
-
 #endif

From 4095aef6dc485545ebbd96d23eac0b11b729e765 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 22 Mar 2010 20:41:44 +0200
Subject: [PATCH 0985/3638] Staging: winbond: fix brace, comments and space
 coding style issue in mlmetxrx.c

This is a patch to the mlmetxrx.c file that fixed up a brace, comments
and space Errors found by the checkpatch.pl tool.

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mlmetxrx.c | 62 +++++++++++++++---------------
 1 file changed, 31 insertions(+), 31 deletions(-)

diff --git a/drivers/staging/winbond/mlmetxrx.c b/drivers/staging/winbond/mlmetxrx.c
index f856b94a781..dcd8a11b5d0 100644
--- a/drivers/staging/winbond/mlmetxrx.c
+++ b/drivers/staging/winbond/mlmetxrx.c
@@ -1,26 +1,26 @@
-//============================================================================
-//  Module Name:
-//    MLMETxRx.C
-//
-//  Description:
-//    The interface between MDS (MAC Data Service) and MLME.
-//
-//  Revision History:
-//  --------------------------------------------------------------------------
-//          200209      UN20 Jennifer Xu
-//                      Initial Release
-//          20021108    PD43 Austin Liu
-//          20030117    PD43 Austin Liu
-//                      Deleted MLMEReturnPacket and MLMEProcThread()
-//
-//  Copyright (c) 1996-2002 Winbond Electronics Corp. All Rights Reserved.
-//============================================================================
+/* ============================================================================
+  Module Name:
+    MLMETxRx.C
+
+  Description:
+    The interface between MDS (MAC Data Service) and MLME.
+
+  Revision History:
+  --------------------------------------------------------------------------
+		200209      UN20 Jennifer Xu
+		Initial Release
+		20021108    PD43 Austin Liu
+		20030117    PD43 Austin Liu
+		Deleted MLMEReturnPacket and MLMEProcThread()
+
+  Copyright (c) 1996-2002 Winbond Electronics Corp. All Rights Reserved.
+============================================================================ */
 #include "sysdef.h"
 
 #include "mds_f.h"
 
-//=============================================================================
-u8 MLMESendFrame(struct wbsoft_priv * adapter, u8 *pMMPDU, u16 len, u8 DataType)
+/* ============================================================================= */
+u8 MLMESendFrame(struct wbsoft_priv *adapter, u8 *pMMPDU, u16 len, u8 DataType)
 /*	DataType : FRAME_TYPE_802_11_MANAGEMENT, FRAME_TYPE_802_11_MANAGEMENT_CHALLENGE,
 				FRAME_TYPE_802_11_DATA */
 {
@@ -30,17 +30,17 @@ u8 MLMESendFrame(struct wbsoft_priv * adapter, u8 *pMMPDU, u16 len, u8 DataType)
 	}
 	adapter->sMlmeFrame.IsInUsed = PACKET_COME_FROM_MLME;
 
-	// Keep information for sending
+	/* Keep information for sending */
 	adapter->sMlmeFrame.pMMPDU = pMMPDU;
 	adapter->sMlmeFrame.DataType = DataType;
-	// len must be the last setting due to QUERY_SIZE_SECOND of Mds
+	/* len must be the last setting due to QUERY_SIZE_SECOND of Mds */
 	adapter->sMlmeFrame.len = len;
 	adapter->sMlmeFrame.wNumTxMMPDU++;
 
-	// H/W will enter power save by set the register. S/W don't send null frame
-	//with PWRMgt bit enbled to enter power save now.
+	/* H/W will enter power save by set the register. S/W don't send null frame
+	with PWRMgt bit enbled to enter power save now. */
 
-	// Transmit NDIS packet
+	/* Transmit NDIS packet */
 	Mds_Tx(adapter);
 	return true;
 }
@@ -60,7 +60,7 @@ static void MLMEfreeMMPDUBuffer(struct wbsoft_priv *adapter, s8 *pData)
 {
 	int i;
 
-	// Reclaim the data buffer
+	/* Reclaim the data buffer */
 	for (i = 0; i < MAX_NUM_TX_MMPDU; i++) {
 		if (pData == (s8 *)&(adapter->sMlmeFrame.TxMMPDU[i]))
 			break;
@@ -68,24 +68,24 @@ static void MLMEfreeMMPDUBuffer(struct wbsoft_priv *adapter, s8 *pData)
 	if (adapter->sMlmeFrame.TxMMPDUInUse[i])
 		adapter->sMlmeFrame.TxMMPDUInUse[i] = false;
 	else  {
-		// Something wrong
-		// PD43 Add debug code here???
+		/* Something wrong
+		 PD43 Add debug code here??? */
 	}
 }
 
 void
-MLME_SendComplete(struct wbsoft_priv * adapter, u8 PacketID, unsigned char SendOK)
+MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID, unsigned char SendOK)
 {
 	MLME_TXCALLBACK	TxCallback;
 
-    // Reclaim the data buffer
+    /* Reclaim the data buffer */
 	adapter->sMlmeFrame.len = 0;
-	MLMEfreeMMPDUBuffer( adapter, adapter->sMlmeFrame.pMMPDU );
+	MLMEfreeMMPDUBuffer(adapter, adapter->sMlmeFrame.pMMPDU);
 
 
 	TxCallback.bResult = MLME_SUCCESS;
 
-	// Return resource
+	/* Return resource */
 	adapter->sMlmeFrame.IsInUsed = PACKET_FREE_TO_USE;
 }
 

From b08585fc584f5e090cf94535171be3ffc6549d98 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 22 Mar 2010 20:47:48 +0200
Subject: [PATCH 0986/3638] Staging: winbond: fix comments and space coding
 style issue in mlmetxrx_f.h

This is a patch to the mlmetxrx_f.h file that fixed up a comments and
space Errors found by the checkpatch.pl tools.

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mlmetxrx_f.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/winbond/mlmetxrx_f.h b/drivers/staging/winbond/mlmetxrx_f.h
index 6c04e3e03e3..d1aa2617d24 100644
--- a/drivers/staging/winbond/mlmetxrx_f.h
+++ b/drivers/staging/winbond/mlmetxrx_f.h
@@ -1,10 +1,10 @@
-//================================================================
+/* ================================================================
 // MLMETxRx.H --
 //
 //   Functions defined in MLMETxRx.c.
 //
 // Copyright (c) 2002 Winbond Electrics Corp. All Rights Reserved.
-//================================================================
+//================================================================ */
 #ifndef _MLMETXRX_H
 #define _MLMETXRX_H
 
@@ -12,7 +12,7 @@
 
 void MLME_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes);
 u8 MLMESendFrame(struct wbsoft_priv *adapter,
-		 u8 * pMMPDU, u16 len, u8 DataType);
+		 u8 *pMMPDU, u16 len, u8 DataType);
 
 void
 MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID,

From fa448c1f41712ac0f6640006582befb6296c19fc Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Thu, 25 Mar 2010 14:44:53 +0100
Subject: [PATCH 0987/3638] Staging: winbond: wb35reg.c Coding style fixes

I fixed the problems reported by checkpatch.pl excetp for
long lines, a couple of printks and some warnings about usb_free_urb(NULL).
I checked for regressions with Dan Carpenters strip_whitespace.pl
and diff and everything looks good.
Generated .o is identical to master.

This is a new patch against master where I fixed up a switch-statement
after comments from Pavel Machek.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wb35reg.c | 608 +++++++++++++++---------------
 1 file changed, 300 insertions(+), 308 deletions(-)

diff --git a/drivers/staging/winbond/wb35reg.c b/drivers/staging/winbond/wb35reg.c
index 1b93547ff5b..770722385ee 100644
--- a/drivers/staging/winbond/wb35reg.c
+++ b/drivers/staging/winbond/wb35reg.c
@@ -6,60 +6,61 @@
 
 extern void phy_calibration_winbond(struct hw_data *phw_data, u32 frequency);
 
-// true  : read command process successfully
-// false : register not support
-// RegisterNo : start base
-// pRegisterData : data point
-// NumberOfData : number of register data
-// Flag : AUTO_INCREMENT - RegisterNo will auto increment 4
-//		  NO_INCREMENT - Function will write data into the same register
-unsigned char
-Wb35Reg_BurstWrite(struct hw_data * pHwData, u16 RegisterNo, u32 * pRegisterData, u8 NumberOfData, u8 Flag)
+/*
+ * true  : read command process successfully
+ * false : register not support
+ * RegisterNo : start base
+ * pRegisterData : data point
+ * NumberOfData : number of register data
+ * Flag : AUTO_INCREMENT - RegisterNo will auto increment 4
+ *	  NO_INCREMENT - Function will write data into the same register
+ */
+unsigned char Wb35Reg_BurstWrite(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterData, u8 NumberOfData, u8 Flag)
 {
-	struct wb35_reg *reg = &pHwData->reg;
-	struct urb	*urb = NULL;
-	struct wb35_reg_queue *reg_queue = NULL;
-	u16		UrbSize;
-	struct      usb_ctrlrequest *dr;
-	u16		i, DataSize = NumberOfData*4;
+	struct wb35_reg		*reg = &pHwData->reg;
+	struct urb		*urb = NULL;
+	struct wb35_reg_queue	*reg_queue = NULL;
+	u16			UrbSize;
+	struct usb_ctrlrequest	*dr;
+	u16			i, DataSize = NumberOfData * 4;
 
-	// Module shutdown
+	/* Module shutdown */
 	if (pHwData->SurpriseRemove)
 		return false;
 
-	// Trying to use burst write function if use new hardware
+	/* Trying to use burst write function if use new hardware */
 	UrbSize = sizeof(struct wb35_reg_queue) + DataSize + sizeof(struct usb_ctrlrequest);
 	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if( urb && reg_queue ) {
-		reg_queue->DIRECT = 2;// burst write register
+	if (urb && reg_queue) {
+		reg_queue->DIRECT = 2; /* burst write register */
 		reg_queue->INDEX = RegisterNo;
 		reg_queue->pBuffer = (u32 *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue));
-		memcpy( reg_queue->pBuffer, pRegisterData, DataSize );
-		//the function for reversing register data from little endian to big endian
-		for( i=0; i<NumberOfData ; i++ )
-			reg_queue->pBuffer[i] = cpu_to_le32( reg_queue->pBuffer[i] );
+		memcpy(reg_queue->pBuffer, pRegisterData, DataSize);
+		/* the function for reversing register data from little endian to big endian */
+		for (i = 0; i < NumberOfData ; i++)
+			reg_queue->pBuffer[i] = cpu_to_le32(reg_queue->pBuffer[i]);
 
 		dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue) + DataSize);
 		dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE;
-		dr->bRequest = 0x04; // USB or vendor-defined request code, burst mode
-		dr->wValue = cpu_to_le16( Flag ); // 0: Register number auto-increment, 1: No auto increment
-		dr->wIndex = cpu_to_le16( RegisterNo );
-		dr->wLength = cpu_to_le16( DataSize );
+		dr->bRequest = 0x04; /* USB or vendor-defined request code, burst mode */
+		dr->wValue = cpu_to_le16(Flag); /* 0: Register number auto-increment, 1: No auto increment */
+		dr->wIndex = cpu_to_le16(RegisterNo);
+		dr->wLength = cpu_to_le16(DataSize);
 		reg_queue->Next = NULL;
 		reg_queue->pUsbReq = dr;
 		reg_queue->urb = urb;
 
-		spin_lock_irq( &reg->EP0VM_spin_lock );
+		spin_lock_irq(&reg->EP0VM_spin_lock);
 		if (reg->reg_first == NULL)
 			reg->reg_first = reg_queue;
 		else
 			reg->reg_last->Next = reg_queue;
 		reg->reg_last = reg_queue;
 
-		spin_unlock_irq( &reg->EP0VM_spin_lock );
+		spin_unlock_irq(&reg->EP0VM_spin_lock);
 
-		// Start EP0VM
+		/* Start EP0VM */
 		Wb35Reg_EP0VM_start(pHwData);
 
 		return true;
@@ -73,8 +74,7 @@ Wb35Reg_BurstWrite(struct hw_data * pHwData, u16 RegisterNo, u32 * pRegisterData
    return false;
 }
 
-void
-Wb35Reg_Update(struct hw_data * pHwData,  u16 RegisterNo,  u32 RegisterValue)
+void Wb35Reg_Update(struct hw_data *pHwData,  u16 RegisterNo,  u32 RegisterValue)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 	switch (RegisterNo) {
@@ -116,97 +116,96 @@ Wb35Reg_Update(struct hw_data * pHwData,  u16 RegisterNo,  u32 RegisterValue)
 	}
 }
 
-// true  : read command process successfully
-// false : register not support
-unsigned char
-Wb35Reg_WriteSync(  struct hw_data * pHwData,  u16 RegisterNo,  u32 RegisterValue )
+/*
+ * true  : read command process successfully
+ * false : register not support
+ */
+unsigned char Wb35Reg_WriteSync(struct hw_data *pHwData, u16 RegisterNo, u32 RegisterValue)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 	int ret = -1;
 
-	// Module shutdown
+	/* Module shutdown */
 	if (pHwData->SurpriseRemove)
 		return false;
 
 	RegisterValue = cpu_to_le32(RegisterValue);
 
-	// update the register by send usb message------------------------------------
+	/* update the register by send usb message */
 	reg->SyncIoPause = 1;
 
-	// 20060717.5 Wait until EP0VM stop
+	/* Wait until EP0VM stop */
 	while (reg->EP0vm_state != VM_STOP)
 		msleep(10);
 
-	// Sync IoCallDriver
+	/* Sync IoCallDriver */
 	reg->EP0vm_state = VM_RUNNING;
-	ret = usb_control_msg( pHwData->WbUsb.udev,
-			       usb_sndctrlpipe( pHwData->WbUsb.udev, 0 ),
+	ret = usb_control_msg(pHwData->WbUsb.udev,
+			       usb_sndctrlpipe(pHwData->WbUsb.udev, 0),
 			       0x03, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
-			       0x0,RegisterNo, &RegisterValue, 4, HZ*100 );
+			       0x0, RegisterNo, &RegisterValue, 4, HZ * 100);
 	reg->EP0vm_state = VM_STOP;
 	reg->SyncIoPause = 0;
 
 	Wb35Reg_EP0VM_start(pHwData);
 
 	if (ret < 0) {
-		#ifdef _PE_REG_DUMP_
+#ifdef _PE_REG_DUMP_
 		printk("EP0 Write register usb message sending error\n");
-		#endif
-
-		pHwData->SurpriseRemove = 1; // 20060704.2
+#endif
+		pHwData->SurpriseRemove = 1;
 		return false;
 	}
-
 	return true;
 }
 
-// true  : read command process successfully
-// false : register not support
-unsigned char
-Wb35Reg_Write(  struct hw_data * pHwData,  u16 RegisterNo,  u32 RegisterValue )
+/*
+ * true  : read command process successfully
+ * false : register not support
+ */
+unsigned char Wb35Reg_Write(struct hw_data *pHwData, u16 RegisterNo, u32 RegisterValue)
 {
-	struct wb35_reg *reg = &pHwData->reg;
-	struct usb_ctrlrequest *dr;
-	struct urb	*urb = NULL;
-	struct wb35_reg_queue *reg_queue = NULL;
-	u16		UrbSize;
+	struct wb35_reg		*reg = &pHwData->reg;
+	struct usb_ctrlrequest	*dr;
+	struct urb		*urb = NULL;
+	struct wb35_reg_queue	*reg_queue = NULL;
+	u16			UrbSize;
 
-
-	// Module shutdown
+	/* Module shutdown */
 	if (pHwData->SurpriseRemove)
 		return false;
 
-	// update the register by send urb request------------------------------------
+	/* update the register by send urb request */
 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
 	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (urb && reg_queue) {
-		reg_queue->DIRECT = 1;// burst write register
+		reg_queue->DIRECT = 1; /* burst write register */
 		reg_queue->INDEX = RegisterNo;
 		reg_queue->VALUE = cpu_to_le32(RegisterValue);
 		reg_queue->RESERVED_VALID = false;
 		dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue));
-		dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE;
-		dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode
+		dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE;
+		dr->bRequest = 0x03; /* USB or vendor-defined request code, burst mode */
 		dr->wValue = cpu_to_le16(0x0);
 		dr->wIndex = cpu_to_le16(RegisterNo);
 		dr->wLength = cpu_to_le16(4);
 
-		// Enter the sending queue
+		/* Enter the sending queue */
 		reg_queue->Next = NULL;
 		reg_queue->pUsbReq = dr;
 		reg_queue->urb = urb;
 
-		spin_lock_irq(&reg->EP0VM_spin_lock );
+		spin_lock_irq(&reg->EP0VM_spin_lock);
 		if (reg->reg_first == NULL)
 			reg->reg_first = reg_queue;
 		else
 			reg->reg_last->Next = reg_queue;
 		reg->reg_last = reg_queue;
 
-		spin_unlock_irq( &reg->EP0VM_spin_lock );
+		spin_unlock_irq(&reg->EP0VM_spin_lock);
 
-		// Start EP0VM
+		/* Start EP0VM */
 		Wb35Reg_EP0VM_start(pHwData);
 
 		return true;
@@ -218,56 +217,60 @@ Wb35Reg_Write(  struct hw_data * pHwData,  u16 RegisterNo,  u32 RegisterValue )
 	}
 }
 
-//This command will be executed with a user defined value. When it completes,
-//this value is useful. For example, hal_set_current_channel will use it.
-// true  : read command process successfully
-// false : register not support
-unsigned char
-Wb35Reg_WriteWithCallbackValue( struct hw_data * pHwData, u16 RegisterNo, u32 RegisterValue,
-				s8 *pValue, s8 Len)
+/*
+ * This command will be executed with a user defined value. When it completes,
+ * this value is useful. For example, hal_set_current_channel will use it.
+ * true  : read command process successfully
+ * false : register not support
+ */
+unsigned char Wb35Reg_WriteWithCallbackValue(struct hw_data *pHwData,
+						u16 RegisterNo,
+						u32 RegisterValue,
+						s8 *pValue,
+						s8 Len)
 {
-	struct wb35_reg *reg = &pHwData->reg;
-	struct usb_ctrlrequest *dr;
-	struct urb	*urb = NULL;
-	struct wb35_reg_queue *reg_queue = NULL;
-	u16		UrbSize;
+	struct wb35_reg		*reg = &pHwData->reg;
+	struct usb_ctrlrequest	*dr;
+	struct urb		*urb = NULL;
+	struct wb35_reg_queue	*reg_queue = NULL;
+	u16			UrbSize;
 
-	// Module shutdown
+	/* Module shutdown */
 	if (pHwData->SurpriseRemove)
 		return false;
 
-	// update the register by send urb request------------------------------------
+	/* update the register by send urb request */
 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
 	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (urb && reg_queue) {
-		reg_queue->DIRECT = 1;// burst write register
+		reg_queue->DIRECT = 1; /* burst write register */
 		reg_queue->INDEX = RegisterNo;
 		reg_queue->VALUE = cpu_to_le32(RegisterValue);
-		//NOTE : Users must guarantee the size of value will not exceed the buffer size.
+		/* NOTE : Users must guarantee the size of value will not exceed the buffer size. */
 		memcpy(reg_queue->RESERVED, pValue, Len);
 		reg_queue->RESERVED_VALID = true;
 		dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue));
-		dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE;
-		dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode
+		dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE;
+		dr->bRequest = 0x03; /* USB or vendor-defined request code, burst mode */
 		dr->wValue = cpu_to_le16(0x0);
 		dr->wIndex = cpu_to_le16(RegisterNo);
 		dr->wLength = cpu_to_le16(4);
 
-		// Enter the sending queue
+		/* Enter the sending queue */
 		reg_queue->Next = NULL;
 		reg_queue->pUsbReq = dr;
 		reg_queue->urb = urb;
-		spin_lock_irq (&reg->EP0VM_spin_lock );
-		if( reg->reg_first == NULL )
+		spin_lock_irq(&reg->EP0VM_spin_lock);
+		if (reg->reg_first == NULL)
 			reg->reg_first = reg_queue;
 		else
 			reg->reg_last->Next = reg_queue;
 		reg->reg_last = reg_queue;
 
-		spin_unlock_irq ( &reg->EP0VM_spin_lock );
+		spin_unlock_irq(&reg->EP0VM_spin_lock);
 
-		// Start EP0VM
+		/* Start EP0VM */
 		Wb35Reg_EP0VM_start(pHwData);
 		return true;
 	} else {
@@ -278,115 +281,114 @@ Wb35Reg_WriteWithCallbackValue( struct hw_data * pHwData, u16 RegisterNo, u32 Re
 	}
 }
 
-// true  : read command process successfully
-// false : register not support
-// pRegisterValue : It must be a resident buffer due to asynchronous read register.
-unsigned char
-Wb35Reg_ReadSync(  struct hw_data * pHwData,  u16 RegisterNo,   u32 * pRegisterValue )
+/*
+ * true  : read command process successfully
+ * false : register not support
+ * pRegisterValue : It must be a resident buffer due to
+ *		    asynchronous read register.
+ */
+unsigned char Wb35Reg_ReadSync(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterValue)
 {
 	struct wb35_reg *reg = &pHwData->reg;
-	u32 *	pltmp = pRegisterValue;
-	int ret = -1;
+	u32		*pltmp = pRegisterValue;
+	int		ret = -1;
 
-	// Module shutdown
+	/* Module shutdown */
 	if (pHwData->SurpriseRemove)
 		return false;
 
-	// Read the register by send usb message------------------------------------
-
+	/* Read the register by send usb message */
 	reg->SyncIoPause = 1;
 
-	// 20060717.5 Wait until EP0VM stop
+	/* Wait until EP0VM stop */
 	while (reg->EP0vm_state != VM_STOP)
 		msleep(10);
 
 	reg->EP0vm_state = VM_RUNNING;
-	ret = usb_control_msg( pHwData->WbUsb.udev,
+	ret = usb_control_msg(pHwData->WbUsb.udev,
 			       usb_rcvctrlpipe(pHwData->WbUsb.udev, 0),
-			       0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
-			       0x0, RegisterNo, pltmp, 4, HZ*100 );
+			       0x01, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+			       0x0, RegisterNo, pltmp, 4, HZ * 100);
 
 	*pRegisterValue = cpu_to_le32(*pltmp);
 
 	reg->EP0vm_state = VM_STOP;
 
-	Wb35Reg_Update( pHwData, RegisterNo, *pRegisterValue );
+	Wb35Reg_Update(pHwData, RegisterNo, *pRegisterValue);
 	reg->SyncIoPause = 0;
 
-	Wb35Reg_EP0VM_start( pHwData );
+	Wb35Reg_EP0VM_start(pHwData);
 
 	if (ret < 0) {
-		#ifdef _PE_REG_DUMP_
+#ifdef _PE_REG_DUMP_
 		printk("EP0 Read register usb message sending error\n");
-		#endif
-
-		pHwData->SurpriseRemove = 1; // 20060704.2
+#endif
+		pHwData->SurpriseRemove = 1;
 		return false;
 	}
-
 	return true;
 }
 
-// true  : read command process successfully
-// false : register not support
-// pRegisterValue : It must be a resident buffer due to asynchronous read register.
-unsigned char
-Wb35Reg_Read(struct hw_data * pHwData, u16 RegisterNo,  u32 * pRegisterValue )
+/*
+ * true  : read command process successfully
+ * false : register not support
+ * pRegisterValue : It must be a resident buffer due to
+ *		    asynchronous read register.
+ */
+unsigned char Wb35Reg_Read(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterValue)
 {
-	struct wb35_reg *reg = &pHwData->reg;
-	struct usb_ctrlrequest * dr;
-	struct urb	*urb;
-	struct wb35_reg_queue *reg_queue;
-	u16		UrbSize;
+	struct wb35_reg		*reg = &pHwData->reg;
+	struct usb_ctrlrequest	*dr;
+	struct urb		*urb;
+	struct wb35_reg_queue	*reg_queue;
+	u16			UrbSize;
 
-	// Module shutdown
+	/* Module shutdown */
 	if (pHwData->SurpriseRemove)
 		return false;
 
-	// update the variable by send Urb to read register ------------------------------------
+	/* update the variable by send Urb to read register */
 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
 	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if( urb && reg_queue )
-	{
-		reg_queue->DIRECT = 0;// read register
+	if (urb && reg_queue) {
+		reg_queue->DIRECT = 0; /* read register */
 		reg_queue->INDEX = RegisterNo;
 		reg_queue->pBuffer = pRegisterValue;
 		dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue));
-		dr->bRequestType = USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN;
-		dr->bRequest = 0x01; // USB or vendor-defined request code, burst mode
+		dr->bRequestType = USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN;
+		dr->bRequest = 0x01; /* USB or vendor-defined request code, burst mode */
 		dr->wValue = cpu_to_le16(0x0);
-		dr->wIndex = cpu_to_le16 (RegisterNo);
-		dr->wLength = cpu_to_le16 (4);
+		dr->wIndex = cpu_to_le16(RegisterNo);
+		dr->wLength = cpu_to_le16(4);
 
-		// Enter the sending queue
+		/* Enter the sending queue */
 		reg_queue->Next = NULL;
 		reg_queue->pUsbReq = dr;
 		reg_queue->urb = urb;
-		spin_lock_irq ( &reg->EP0VM_spin_lock );
-		if( reg->reg_first == NULL )
+		spin_lock_irq(&reg->EP0VM_spin_lock);
+		if (reg->reg_first == NULL)
 			reg->reg_first = reg_queue;
 		else
 			reg->reg_last->Next = reg_queue;
 		reg->reg_last = reg_queue;
 
-		spin_unlock_irq( &reg->EP0VM_spin_lock );
+		spin_unlock_irq(&reg->EP0VM_spin_lock);
 
-		// Start EP0VM
-		Wb35Reg_EP0VM_start( pHwData );
+		/* Start EP0VM */
+		Wb35Reg_EP0VM_start(pHwData);
 
 		return true;
 	} else {
 		if (urb)
-			usb_free_urb( urb );
+			usb_free_urb(urb);
 		kfree(reg_queue);
 		return false;
 	}
 }
 
 
-void
-Wb35Reg_EP0VM_start(  struct hw_data * pHwData )
+void Wb35Reg_EP0VM_start(struct hw_data *pHwData)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 
@@ -397,15 +399,14 @@ Wb35Reg_EP0VM_start(  struct hw_data * pHwData )
 		atomic_dec(&reg->RegFireCount);
 }
 
-void
-Wb35Reg_EP0VM(struct hw_data * pHwData )
+void Wb35Reg_EP0VM(struct hw_data *pHwData)
 {
-	struct wb35_reg *reg = &pHwData->reg;
-	struct urb	*urb;
-	struct usb_ctrlrequest *dr;
-	u32 *		pBuffer;
+	struct wb35_reg		*reg = &pHwData->reg;
+	struct urb		*urb;
+	struct usb_ctrlrequest	*dr;
+	u32			*pBuffer;
 	int			ret = -1;
-	struct wb35_reg_queue *reg_queue;
+	struct wb35_reg_queue	*reg_queue;
 
 
 	if (reg->SyncIoPause)
@@ -414,27 +415,27 @@ Wb35Reg_EP0VM(struct hw_data * pHwData )
 	if (pHwData->SurpriseRemove)
 		goto cleanup;
 
-	// Get the register data and send to USB through Irp
-	spin_lock_irq( &reg->EP0VM_spin_lock );
+	/* Get the register data and send to USB through Irp */
+	spin_lock_irq(&reg->EP0VM_spin_lock);
 	reg_queue = reg->reg_first;
-	spin_unlock_irq( &reg->EP0VM_spin_lock );
+	spin_unlock_irq(&reg->EP0VM_spin_lock);
 
 	if (!reg_queue)
 		goto cleanup;
 
-	// Get an Urb, send it
+	/* Get an Urb, send it */
 	urb = (struct urb *)reg_queue->urb;
 
 	dr = reg_queue->pUsbReq;
 	urb = reg_queue->urb;
 	pBuffer = reg_queue->pBuffer;
-	if (reg_queue->DIRECT == 1) // output
+	if (reg_queue->DIRECT == 1) /* output */
 		pBuffer = &reg_queue->VALUE;
 
-	usb_fill_control_urb( urb, pHwData->WbUsb.udev,
-			      REG_DIRECTION(pHwData->WbUsb.udev,reg_queue),
-			      (u8 *)dr,pBuffer,cpu_to_le16(dr->wLength),
-			      Wb35Reg_EP0VM_complete, (void*)pHwData);
+	usb_fill_control_urb(urb, pHwData->WbUsb.udev,
+			      REG_DIRECTION(pHwData->WbUsb.udev, reg_queue),
+			      (u8 *)dr, pBuffer, cpu_to_le16(dr->wLength),
+			      Wb35Reg_EP0VM_complete, (void *)pHwData);
 
 	reg->EP0vm_state = VM_RUNNING;
 
@@ -446,7 +447,6 @@ Wb35Reg_EP0VM(struct hw_data * pHwData )
 #endif
 		goto cleanup;
 	}
-
 	return;
 
  cleanup:
@@ -455,29 +455,28 @@ Wb35Reg_EP0VM(struct hw_data * pHwData )
 }
 
 
-void
-Wb35Reg_EP0VM_complete(struct urb *urb)
+void Wb35Reg_EP0VM_complete(struct urb *urb)
 {
-	struct hw_data *  pHwData = (struct hw_data *)urb->context;
-	struct wb35_reg *reg = &pHwData->reg;
-	struct wb35_reg_queue *reg_queue;
+	struct hw_data		*pHwData = (struct hw_data *)urb->context;
+	struct wb35_reg		*reg = &pHwData->reg;
+	struct wb35_reg_queue	*reg_queue;
 
 
-	// Variable setting
+	/* Variable setting */
 	reg->EP0vm_state = VM_COMPLETED;
 	reg->EP0VM_status = urb->status;
 
-	if (pHwData->SurpriseRemove) { // Let WbWlanHalt to handle surprise remove
+	if (pHwData->SurpriseRemove) { /* Let WbWlanHalt to handle surprise remove */
 		reg->EP0vm_state = VM_STOP;
 		atomic_dec(&reg->RegFireCount);
 	} else {
-		// Complete to send, remove the URB from the first
-		spin_lock_irq( &reg->EP0VM_spin_lock );
+		/* Complete to send, remove the URB from the first */
+		spin_lock_irq(&reg->EP0VM_spin_lock);
 		reg_queue = reg->reg_first;
 		if (reg_queue == reg->reg_last)
 			reg->reg_last = NULL;
 		reg->reg_first = reg->reg_first->Next;
-		spin_unlock_irq( &reg->EP0VM_spin_lock );
+		spin_unlock_irq(&reg->EP0VM_spin_lock);
 
 		if (reg->EP0VM_status) {
 #ifdef _PE_REG_DUMP_
@@ -486,37 +485,35 @@ Wb35Reg_EP0VM_complete(struct urb *urb)
 			reg->EP0vm_state = VM_STOP;
 			pHwData->SurpriseRemove = 1;
 		} else {
-			// Success. Update the result
+			/* Success. Update the result */
 
-			// Start the next send
+			/* Start the next send */
 			Wb35Reg_EP0VM(pHwData);
 		}
 
-   		kfree(reg_queue);
+		kfree(reg_queue);
 	}
 
 	usb_free_urb(urb);
 }
 
 
-void
-Wb35Reg_destroy(struct hw_data * pHwData)
+void Wb35Reg_destroy(struct hw_data *pHwData)
 {
-	struct wb35_reg *reg = &pHwData->reg;
-	struct urb	*urb;
-	struct wb35_reg_queue *reg_queue;
-
+	struct wb35_reg		*reg = &pHwData->reg;
+	struct urb		*urb;
+	struct wb35_reg_queue	*reg_queue;
 
 	Uxx_power_off_procedure(pHwData);
 
-	// Wait for Reg operation completed
+	/* Wait for Reg operation completed */
 	do {
-		msleep(10); // Delay for waiting function enter 940623.1.a
+		msleep(10); /* Delay for waiting function enter */
 	} while (reg->EP0vm_state != VM_STOP);
-	msleep(10);  // Delay for waiting function enter 940623.1.b
+	msleep(10);  /* Delay for waiting function enter */
 
-	// Release all the data in RegQueue
-	spin_lock_irq( &reg->EP0VM_spin_lock );
+	/* Release all the data in RegQueue */
+	spin_lock_irq(&reg->EP0VM_spin_lock);
 	reg_queue = reg->reg_first;
 	while (reg_queue) {
 		if (reg_queue == reg->reg_last)
@@ -524,84 +521,88 @@ Wb35Reg_destroy(struct hw_data * pHwData)
 		reg->reg_first = reg->reg_first->Next;
 
 		urb = reg_queue->urb;
-		spin_unlock_irq( &reg->EP0VM_spin_lock );
+		spin_unlock_irq(&reg->EP0VM_spin_lock);
 		if (urb) {
 			usb_free_urb(urb);
 			kfree(reg_queue);
 		} else {
-			#ifdef _PE_REG_DUMP_
+#ifdef _PE_REG_DUMP_
 			printk("EP0 queue release error\n");
-			#endif
+#endif
 		}
-		spin_lock_irq( &reg->EP0VM_spin_lock );
+		spin_lock_irq(&reg->EP0VM_spin_lock);
 
 		reg_queue = reg->reg_first;
 	}
-	spin_unlock_irq( &reg->EP0VM_spin_lock );
+	spin_unlock_irq(&reg->EP0VM_spin_lock);
 }
 
-//====================================================================================
-// The function can be run in passive-level only.
-//====================================================================================
-unsigned char Wb35Reg_initial(struct hw_data * pHwData)
+/*
+ * =======================================================================
+ * The function can be run in passive-level only.
+ * =========================================================================
+ */
+unsigned char Wb35Reg_initial(struct hw_data *pHwData)
 {
-	struct wb35_reg *reg=&pHwData->reg;
+	struct wb35_reg *reg = &pHwData->reg;
 	u32 ltmp;
 	u32 SoftwareSet, VCO_trim, TxVga, Region_ScanInterval;
 
-	// Spin lock is acquired for read and write IRP command
-	spin_lock_init( &reg->EP0VM_spin_lock );
+	/* Spin lock is acquired for read and write IRP command */
+	spin_lock_init(&reg->EP0VM_spin_lock);
 
-	// Getting RF module type from EEPROM ------------------------------------
-	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x080d0000 ); // Start EEPROM access + Read + address(0x0d)
-	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
+	/* Getting RF module type from EEPROM */
+	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x080d0000); /* Start EEPROM access + Read + address(0x0d) */
+	Wb35Reg_ReadSync(pHwData, 0x03b4, &ltmp);
 
-	//Update RF module type and determine the PHY type by inf or EEPROM
-	reg->EEPROMPhyType = (u8)( ltmp & 0xff );
-	// 0 V MAX2825, 1 V MAX2827, 2 V MAX2828, 3 V MAX2829
-	// 16V AL2230, 17 - AL7230, 18 - AL2230S
-	// 32 Reserved
-	// 33 - W89RF242(TxVGA 0~19), 34 - W89RF242(TxVGA 0~34)
+	/* Update RF module type and determine the PHY type by inf or EEPROM */
+	reg->EEPROMPhyType = (u8)(ltmp & 0xff);
+	/*
+	 * 0 V MAX2825, 1 V MAX2827, 2 V MAX2828, 3 V MAX2829
+	 * 16V AL2230, 17 - AL7230, 18 - AL2230S
+	 * 32 Reserved
+	 * 33 - W89RF242(TxVGA 0~19), 34 - W89RF242(TxVGA 0~34)
+	 */
 	if (reg->EEPROMPhyType != RF_DECIDE_BY_INF) {
-		if( (reg->EEPROMPhyType == RF_MAXIM_2825)	||
+		if ((reg->EEPROMPhyType == RF_MAXIM_2825)	||
 			(reg->EEPROMPhyType == RF_MAXIM_2827)	||
 			(reg->EEPROMPhyType == RF_MAXIM_2828)	||
 			(reg->EEPROMPhyType == RF_MAXIM_2829)	||
 			(reg->EEPROMPhyType == RF_MAXIM_V1)	||
 			(reg->EEPROMPhyType == RF_AIROHA_2230)	||
-			(reg->EEPROMPhyType == RF_AIROHA_2230S)    ||
+			(reg->EEPROMPhyType == RF_AIROHA_2230S)	||
 			(reg->EEPROMPhyType == RF_AIROHA_7230)	||
-			(reg->EEPROMPhyType == RF_WB_242)		||
+			(reg->EEPROMPhyType == RF_WB_242)	||
 			(reg->EEPROMPhyType == RF_WB_242_1))
 			pHwData->phy_type = reg->EEPROMPhyType;
 	}
 
-	// Power On procedure running. The relative parameter will be set according to phy_type
-	Uxx_power_on_procedure( pHwData );
+	/* Power On procedure running. The relative parameter will be set according to phy_type */
+	Uxx_power_on_procedure(pHwData);
 
-	// Reading MAC address
-	Uxx_ReadEthernetAddress( pHwData );
+	/* Reading MAC address */
+	Uxx_ReadEthernetAddress(pHwData);
 
-	// Read VCO trim for RF parameter
-	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08200000 );
-	Wb35Reg_ReadSync( pHwData, 0x03b4, &VCO_trim );
+	/* Read VCO trim for RF parameter */
+	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08200000);
+	Wb35Reg_ReadSync(pHwData, 0x03b4, &VCO_trim);
 
-	// Read Antenna On/Off of software flag
-	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08210000 );
-	Wb35Reg_ReadSync( pHwData, 0x03b4, &SoftwareSet );
+	/* Read Antenna On/Off of software flag */
+	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08210000);
+	Wb35Reg_ReadSync(pHwData, 0x03b4, &SoftwareSet);
 
-	// Read TXVGA
-	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08100000 );
-	Wb35Reg_ReadSync( pHwData, 0x03b4, &TxVga );
+	/* Read TXVGA */
+	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08100000);
+	Wb35Reg_ReadSync(pHwData, 0x03b4, &TxVga);
 
-	// Get Scan interval setting from EEPROM offset 0x1c
-	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x081d0000 );
-	Wb35Reg_ReadSync( pHwData, 0x03b4, &Region_ScanInterval );
+	/* Get Scan interval setting from EEPROM offset 0x1c */
+	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x081d0000);
+	Wb35Reg_ReadSync(pHwData, 0x03b4, &Region_ScanInterval);
 
-	// Update Ethernet address
-	memcpy( pHwData->CurrentMacAddress, pHwData->PermanentMacAddress, ETH_ALEN );
+	/* Update Ethernet address */
+	memcpy(pHwData->CurrentMacAddress, pHwData->PermanentMacAddress, ETH_ALEN);
 
-	// Update software variable
+	/* Update software variable */
 	pHwData->SoftwareSet = (u16)(SoftwareSet & 0xffff);
 	TxVga &= 0x000000ff;
 	pHwData->PowerIndexFromEEPROM = (u8)TxVga;
@@ -609,22 +610,22 @@ unsigned char Wb35Reg_initial(struct hw_data * pHwData)
 	if (pHwData->VCO_trim == 0xff)
 		pHwData->VCO_trim = 0x28;
 
-	reg->EEPROMRegion = (u8)(Region_ScanInterval>>8); // 20060720
-	if( reg->EEPROMRegion<1 || reg->EEPROMRegion>6 )
+	reg->EEPROMRegion = (u8)(Region_ScanInterval >> 8);
+	if (reg->EEPROMRegion < 1 || reg->EEPROMRegion > 6)
 		reg->EEPROMRegion = REGION_AUTO;
 
-	//For Get Tx VGA from EEPROM 20060315.5 move here
-	GetTxVgaFromEEPROM( pHwData );
+	/* For Get Tx VGA from EEPROM */
+	GetTxVgaFromEEPROM(pHwData);
 
-	// Set Scan Interval
+	/* Set Scan Interval */
 	pHwData->Scan_Interval = (u8)(Region_ScanInterval & 0xff) * 10;
-	if ((pHwData->Scan_Interval == 2550) || (pHwData->Scan_Interval < 10)) // Is default setting 0xff * 10
+	if ((pHwData->Scan_Interval == 2550) || (pHwData->Scan_Interval < 10)) /* Is default setting 0xff * 10 */
 		pHwData->Scan_Interval = SCAN_MAX_CHNL_TIME;
 
-	// Initial register
+	/* Initial register */
 	RFSynthesizer_initial(pHwData);
 
-	BBProcessor_initial(pHwData); // Async write, must wait until complete
+	BBProcessor_initial(pHwData); /* Async write, must wait until complete */
 
 	Wb35Reg_phy_calibration(pHwData);
 
@@ -634,113 +635,104 @@ unsigned char Wb35Reg_initial(struct hw_data * pHwData)
 	if (pHwData->SurpriseRemove)
 		return false;
 	else
-		return true; // Initial fail
+		return true; /* Initial fail */
 }
 
-//===================================================================================
-//  CardComputeCrc --
-//
-//  Description:
-//    Runs the AUTODIN II CRC algorithm on buffer Buffer of length, Length.
-//
-//  Arguments:
-//    Buffer - the input buffer
-//    Length - the length of Buffer
-//
-//  Return Value:
-//    The 32-bit CRC value.
-//
-//  Note:
-//    This is adapted from the comments in the assembly language
-//    version in _GENREQ.ASM of the DWB NE1000/2000 driver.
-//==================================================================================
-u32
-CardComputeCrc(u8 * Buffer, u32 Length)
+/*
+ * ================================================================
+ *  CardComputeCrc --
+ *
+ *  Description:
+ *    Runs the AUTODIN II CRC algorithm on buffer Buffer of length, Length.
+ *
+ *  Arguments:
+ *    Buffer - the input buffer
+ *    Length - the length of Buffer
+ *
+ *  Return Value:
+ *    The 32-bit CRC value.
+ * ===================================================================
+ */
+u32 CardComputeCrc(u8 *Buffer, u32 Length)
 {
-    u32 Crc, Carry;
-    u32  i, j;
-    u8 CurByte;
+	u32	Crc, Carry;
+	u32	i, j;
+	u8	CurByte;
 
-    Crc = 0xffffffff;
+	Crc = 0xffffffff;
 
-    for (i = 0; i < Length; i++) {
-
-        CurByte = Buffer[i];
-
-        for (j = 0; j < 8; j++) {
-
-            Carry     = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01);
-            Crc     <<= 1;
-            CurByte >>= 1;
-
-            if (Carry) {
-                Crc =(Crc ^ 0x04c11db6) | Carry;
-            }
-        }
-    }
-
-    return Crc;
+	for (i = 0; i < Length; i++) {
+		CurByte = Buffer[i];
+		for (j = 0; j < 8; j++) {
+			Carry = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01);
+			Crc <<= 1;
+			CurByte >>= 1;
+			if (Carry)
+				Crc = (Crc ^ 0x04c11db6) | Carry;
+		}
+	}
+	return Crc;
 }
 
 
-//==================================================================
-// BitReverse --
-//   Reverse the bits in the input argument, dwData, which is
-//   regarded as a string of bits with the length, DataLength.
-//
-// Arguments:
-//   dwData     :
-//   DataLength :
-//
-// Return:
-//   The converted value.
-//==================================================================
-u32 BitReverse( u32 dwData, u32 DataLength)
+/*
+ * ==================================================================
+ * BitReverse --
+ *   Reverse the bits in the input argument, dwData, which is
+ *   regarded as a string of bits with the length, DataLength.
+ *
+ * Arguments:
+ *   dwData     :
+ *   DataLength :
+ *
+ * Return:
+ *   The converted value.
+ * ==================================================================
+ */
+u32 BitReverse(u32 dwData, u32 DataLength)
 {
-	u32   HalfLength, i, j;
-	u32   BitA, BitB;
+	u32	HalfLength, i, j;
+	u32	BitA, BitB;
 
-	if ( DataLength <= 0)       return 0;   // No conversion is done.
+	if (DataLength <= 0)
+		return 0;	/* No conversion is done. */
 	dwData = dwData & (0xffffffff >> (32 - DataLength));
 
 	HalfLength = DataLength / 2;
-	for ( i = 0, j = DataLength-1 ; i < HalfLength; i++, j--)
-	{
-		BitA = GetBit( dwData, i);
-		BitB = GetBit( dwData, j);
+	for (i = 0, j = DataLength - 1; i < HalfLength; i++, j--) {
+		BitA = GetBit(dwData, i);
+		BitB = GetBit(dwData, j);
 		if (BitA && !BitB) {
-			dwData = ClearBit( dwData, i);
-			dwData = SetBit( dwData, j);
+			dwData = ClearBit(dwData, i);
+			dwData = SetBit(dwData, j);
 		} else if (!BitA && BitB) {
-			dwData = SetBit( dwData, i);
-			dwData = ClearBit( dwData, j);
-		} else
-		{
-			// Do nothing since these two bits are of the save values.
+			dwData = SetBit(dwData, i);
+			dwData = ClearBit(dwData, j);
+		} else {
+			/* Do nothing since these two bits are of the save values. */
 		}
 	}
-
 	return dwData;
 }
 
-void Wb35Reg_phy_calibration(  struct hw_data * pHwData )
+void Wb35Reg_phy_calibration(struct hw_data *pHwData)
 {
-	u32 BB3c, BB54;
+	u32	BB3c, BB54;
 
 	if ((pHwData->phy_type == RF_WB_242) ||
 		(pHwData->phy_type == RF_WB_242_1)) {
-		phy_calibration_winbond ( pHwData, 2412 ); // Sync operation
-		Wb35Reg_ReadSync( pHwData, 0x103c, &BB3c );
-		Wb35Reg_ReadSync( pHwData, 0x1054, &BB54 );
+		phy_calibration_winbond(pHwData, 2412); /* Sync operation */
+		Wb35Reg_ReadSync(pHwData, 0x103c, &BB3c);
+		Wb35Reg_ReadSync(pHwData, 0x1054, &BB54);
 
 		pHwData->BB3c_cal = BB3c;
 		pHwData->BB54_cal = BB54;
 
 		RFSynthesizer_initial(pHwData);
-		BBProcessor_initial(pHwData); // Async operation
+		BBProcessor_initial(pHwData); /* Async operation */
 
-		Wb35Reg_WriteSync( pHwData, 0x103c, BB3c );
-		Wb35Reg_WriteSync( pHwData, 0x1054, BB54 );
+		Wb35Reg_WriteSync(pHwData, 0x103c, BB3c);
+		Wb35Reg_WriteSync(pHwData, 0x1054, BB54);
 	}
 }
 

From 42cb2945a9fbfb1602e50c802f6b379244820a6a Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 28 Mar 2010 08:57:55 +0200
Subject: [PATCH 0988/3638] Staging: winbond: wb35tx_f.h Coding style fixes.

I fixed the checkpatch.pl problems and converted the function
arguments away from CamelCase and hungarian notation.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wb35tx_f.h | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/winbond/wb35tx_f.h b/drivers/staging/winbond/wb35tx_f.h
index a7af9cbe202..1d3b515f83b 100644
--- a/drivers/staging/winbond/wb35tx_f.h
+++ b/drivers/staging/winbond/wb35tx_f.h
@@ -4,18 +4,20 @@
 #include "core.h"
 #include "wbhal_f.h"
 
-//====================================
-// Interface function declare
-//====================================
-unsigned char Wb35Tx_initial(	 struct hw_data * pHwData );
-void Wb35Tx_destroy(  struct hw_data * pHwData );
-unsigned char Wb35Tx_get_tx_buffer(  struct hw_data * pHwData,  u8 **pBuffer );
+/*
+ * ====================================
+ * Interface function declare
+ * ====================================
+ */
+unsigned char Wb35Tx_initial(struct hw_data *hw_data);
+void Wb35Tx_destroy(struct hw_data *hw_data);
+unsigned char Wb35Tx_get_tx_buffer(struct hw_data *hw_data, u8 **buffer);
 
 void Wb35Tx_EP2VM_start(struct wbsoft_priv *adapter);
 
 void Wb35Tx_start(struct wbsoft_priv *adapter);
-void Wb35Tx_stop(  struct hw_data * pHwData );
+void Wb35Tx_stop(struct hw_data *hw_data);
 
-void Wb35Tx_CurrentTime(struct wbsoft_priv *adapter,  u32 TimeCount);
+void Wb35Tx_CurrentTime(struct wbsoft_priv *adapter, u32 time_count);
 
 #endif

From 6112fd6ebbdc8901b40b43940908fa09f8af7cc4 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 28 Mar 2010 08:38:57 +0200
Subject: [PATCH 0989/3638] Staging: winbond: wb35rx.c Coding style fixes v2.

New patch that fixes an unclear comment too.

I fixed checkpatch issues except for long lines and printk:s.
I also removed version comments and the () in a return statement.
Generated .o is identical to master and i checked the code with
Dan Carpenters strip_whitespace.pl and diff.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Dan Carpenter <error27@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wb35rx.c | 254 +++++++++++++++----------------
 1 file changed, 121 insertions(+), 133 deletions(-)

diff --git a/drivers/staging/winbond/wb35rx.c b/drivers/staging/winbond/wb35rx.c
index d7b57e62db0..efe82b141c1 100644
--- a/drivers/staging/winbond/wb35rx.c
+++ b/drivers/staging/winbond/wb35rx.c
@@ -1,13 +1,15 @@
-//============================================================================
-//  Copyright (c) 1996-2002 Winbond Electronic Corporation
-//
-//  Module Name:
-//    Wb35Rx.c
-//
-//  Abstract:
-//    Processing the Rx message from down layer
-//
-//============================================================================
+/*
+ * ============================================================================
+ *  Copyright (c) 1996-2002 Winbond Electronic Corporation
+ *
+ *  Module Name:
+ *    Wb35Rx.c
+ *
+ *  Abstract:
+ *    Processing the Rx message from down layer
+ *
+ * ============================================================================
+ */
 #include <linux/usb.h>
 #include <linux/slab.h>
 
@@ -30,16 +32,7 @@ static void packet_came(struct ieee80211_hw *hw, char *pRxBufferAddress, int Pac
 		return;
 	}
 
-	memcpy(skb_put(skb, PacketSize),
-	       pRxBufferAddress,
-	       PacketSize);
-
-/*
-	rx_status.rate = 10;
-	rx_status.channel = 1;
-	rx_status.freq = 12345;
-	rx_status.phymode = MODE_IEEE80211B;
-*/
+	memcpy(skb_put(skb, PacketSize), pRxBufferAddress, PacketSize);
 
 	memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
 	ieee80211_rx_irqsafe(hw, skb);
@@ -47,7 +40,7 @@ static void packet_came(struct ieee80211_hw *hw, char *pRxBufferAddress, int Pac
 
 static void Wb35Rx_adjust(struct wb35_descriptor *pRxDes)
 {
-	u32 *	pRxBufferAddress;
+	u32	*pRxBufferAddress;
 	u32	DecryptionMethod;
 	u32	i;
 	u16	BufferSize;
@@ -56,81 +49,80 @@ static void Wb35Rx_adjust(struct wb35_descriptor *pRxDes)
 	pRxBufferAddress = pRxDes->buffer_address[0];
 	BufferSize = pRxDes->buffer_size[0];
 
-	// Adjust the last part of data. Only data left
-	BufferSize -= 4; // For CRC-32
+	/* Adjust the last part of data. Only data left */
+	BufferSize -= 4; /* For CRC-32 */
 	if (DecryptionMethod)
 		BufferSize -= 4;
-	if (DecryptionMethod == 3) // For CCMP
+	if (DecryptionMethod == 3) /* For CCMP */
 		BufferSize -= 4;
 
-	// Adjust the IV field which after 802.11 header and ICV field.
-	if (DecryptionMethod == 1) // For WEP
-	{
-		for( i=6; i>0; i-- )
-			pRxBufferAddress[i] = pRxBufferAddress[i-1];
+	/* Adjust the IV field which after 802.11 header and ICV field. */
+	if (DecryptionMethod == 1) { /* For WEP */
+		for (i = 6; i > 0; i--)
+			pRxBufferAddress[i] = pRxBufferAddress[i - 1];
 		pRxDes->buffer_address[0] = pRxBufferAddress + 1;
-		BufferSize -= 4; // 4 byte for IV
-	}
-	else if( DecryptionMethod ) // For TKIP and CCMP
-	{
-		for (i=7; i>1; i--)
-			pRxBufferAddress[i] = pRxBufferAddress[i-2];
-		pRxDes->buffer_address[0] = pRxBufferAddress + 2;//Update the descriptor, shift 8 byte
-		BufferSize -= 8; // 8 byte for IV + ICV
+		BufferSize -= 4; /* 4 byte for IV */
+	} else if (DecryptionMethod) { /* For TKIP and CCMP */
+		for (i = 7; i > 1; i--)
+			pRxBufferAddress[i] = pRxBufferAddress[i - 2];
+		pRxDes->buffer_address[0] = pRxBufferAddress + 2; /* Update the descriptor, shift 8 byte */
+		BufferSize -= 8; /* 8 byte for IV + ICV */
 	}
 	pRxDes->buffer_size[0] = BufferSize;
 }
 
 static u16 Wb35Rx_indicate(struct ieee80211_hw *hw)
 {
-	struct wbsoft_priv *priv = hw->priv;
-	struct hw_data * pHwData = &priv->sHwData;
+	struct wbsoft_priv	*priv = hw->priv;
+	struct hw_data		*pHwData = &priv->sHwData;
 	struct wb35_descriptor	RxDes;
-	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
-	u8 *		pRxBufferAddress;
-	u16		PacketSize;
-	u16		stmp, BufferSize, stmp2 = 0;
-	u32		RxBufferId;
+	struct wb35_rx		*pWb35Rx = &pHwData->Wb35Rx;
+	u8			*pRxBufferAddress;
+	u16			PacketSize;
+	u16			stmp, BufferSize, stmp2 = 0;
+	u32			RxBufferId;
 
-	// Only one thread be allowed to run into the following
+	/* Only one thread be allowed to run into the following */
 	do {
 		RxBufferId = pWb35Rx->RxProcessIndex;
-		if (pWb35Rx->RxOwner[ RxBufferId ]) //Owner by VM
+		if (pWb35Rx->RxOwner[RxBufferId]) /* Owner by VM */
 			break;
 
 		pWb35Rx->RxProcessIndex++;
 		pWb35Rx->RxProcessIndex %= MAX_USB_RX_BUFFER_NUMBER;
 
 		pRxBufferAddress = pWb35Rx->pDRx;
-		BufferSize = pWb35Rx->RxBufferSize[ RxBufferId ];
+		BufferSize = pWb35Rx->RxBufferSize[RxBufferId];
 
-		// Parse the bulkin buffer
+		/* Parse the bulkin buffer */
 		while (BufferSize >= 4) {
-			if ((cpu_to_le32(*(u32 *)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) //Is ending? 921002.9.a
+			if ((cpu_to_le32(*(u32 *)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) /* Is ending? */
 				break;
 
-			// Get the R00 R01 first
+			/* Get the R00 R01 first */
 			RxDes.R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
 			PacketSize = (u16)RxDes.R00.R00_receive_byte_count;
-			RxDes.R01.value = le32_to_cpu(*((u32 *)(pRxBufferAddress+4)));
-			// For new DMA 4k
+			RxDes.R01.value = le32_to_cpu(*((u32 *)(pRxBufferAddress + 4)));
+			/* For new DMA 4k */
 			if ((PacketSize & 0x03) > 0)
 				PacketSize -= 4;
 
-			// Basic check for Rx length. Is length valid?
+			/* Basic check for Rx length. Is length valid? */
 			if (PacketSize > MAX_PACKET_SIZE) {
-				#ifdef _PE_RX_DUMP_
+#ifdef _PE_RX_DUMP_
 				printk("Serious ERROR : Rx data size too long, size =%d\n", PacketSize);
-				#endif
+#endif
 
 				pWb35Rx->EP3vm_state = VM_STOP;
 				pWb35Rx->Ep3ErrorCount2++;
 				break;
 			}
 
-			// Start to process Rx buffer
-//			RxDes.Descriptor_ID = RxBufferId; // Due to synchronous indicate, the field doesn't necessary to use.
-			BufferSize -= 8; //subtract 8 byte for 35's USB header length
+			/*
+			 * Wb35Rx_indicate() is called synchronously so it isn't
+			 * necessary to set "RxDes.Desctriptor_ID = RxBufferID;"
+			 */
+			BufferSize -= 8; /* subtract 8 byte for 35's USB header length */
 			pRxBufferAddress += 8;
 
 			RxDes.buffer_address[0] = pRxBufferAddress;
@@ -142,18 +134,17 @@ static u16 Wb35Rx_indicate(struct ieee80211_hw *hw)
 
 			packet_came(hw, pRxBufferAddress, PacketSize);
 
-			// Move RxBuffer point to the next
+			/* Move RxBuffer point to the next */
 			stmp = PacketSize + 3;
-			stmp &= ~0x03; // 4n alignment
+			stmp &= ~0x03; /* 4n alignment */
 			pRxBufferAddress += stmp;
 			BufferSize -= stmp;
 			stmp2 += stmp;
 		}
 
-		// Reclaim resource
-		pWb35Rx->RxOwner[ RxBufferId ] = 1;
+		/* Reclaim resource */
+		pWb35Rx->RxOwner[RxBufferId] = 1;
 	} while (true);
-
 	return stmp2;
 }
 
@@ -161,112 +152,110 @@ static void Wb35Rx(struct ieee80211_hw *hw);
 
 static void Wb35Rx_Complete(struct urb *urb)
 {
-	struct ieee80211_hw *hw = urb->context;
-	struct wbsoft_priv *priv = hw->priv;
-	struct hw_data * pHwData = &priv->sHwData;
-	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
-	u8 *		pRxBufferAddress;
-	u32		SizeCheck;
-	u16		BulkLength;
-	u32		RxBufferId;
-	R00_DESCRIPTOR 	R00;
+	struct ieee80211_hw	*hw = urb->context;
+	struct wbsoft_priv	*priv = hw->priv;
+	struct hw_data		*pHwData = &priv->sHwData;
+	struct wb35_rx		*pWb35Rx = &pHwData->Wb35Rx;
+	u8			*pRxBufferAddress;
+	u32			SizeCheck;
+	u16			BulkLength;
+	u32			RxBufferId;
+	R00_DESCRIPTOR		R00;
 
-	// Variable setting
+	/* Variable setting */
 	pWb35Rx->EP3vm_state = VM_COMPLETED;
-	pWb35Rx->EP3VM_status = urb->status;//Store the last result of Irp
+	pWb35Rx->EP3VM_status = urb->status; /* Store the last result of Irp */
 
 	RxBufferId = pWb35Rx->CurrentRxBufferId;
 
 	pRxBufferAddress = pWb35Rx->pDRx;
 	BulkLength = (u16)urb->actual_length;
 
-	// The IRP is completed
+	/* The IRP is completed */
 	pWb35Rx->EP3vm_state = VM_COMPLETED;
 
-	if (pHwData->SurpriseRemove || pHwData->HwStop) // Must be here, or RxBufferId is invalid
+	if (pHwData->SurpriseRemove || pHwData->HwStop) /* Must be here, or RxBufferId is invalid */
 		goto error;
 
 	if (pWb35Rx->rx_halt)
 		goto error;
 
-	// Start to process the data only in successful condition
-	pWb35Rx->RxOwner[ RxBufferId ] = 0; // Set the owner to driver
+	/* Start to process the data only in successful condition */
+	pWb35Rx->RxOwner[RxBufferId] = 0; /* Set the owner to driver */
 	R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
 
-	// The URB is completed, check the result
+	/* The URB is completed, check the result */
 	if (pWb35Rx->EP3VM_status != 0) {
-		#ifdef _PE_USB_STATE_DUMP_
+#ifdef _PE_USB_STATE_DUMP_
 		printk("EP3 IoCompleteRoutine return error\n");
-		#endif
+#endif
 		pWb35Rx->EP3vm_state = VM_STOP;
 		goto error;
 	}
 
-	// 20060220 For recovering. check if operating in single USB mode
+	/* For recovering. check if operating in single USB mode */
 	if (!HAL_USB_MODE_BURST(pHwData)) {
-		SizeCheck = R00.R00_receive_byte_count;  //20060926 anson's endian
+		SizeCheck = R00.R00_receive_byte_count;
 		if ((SizeCheck & 0x03) > 0)
 			SizeCheck -= 4;
 		SizeCheck = (SizeCheck + 3) & ~0x03;
-		SizeCheck += 12; // 8 + 4 badbeef
+		SizeCheck += 12; /* 8 + 4 badbeef */
 		if ((BulkLength > 1600) ||
 			(SizeCheck > 1600) ||
 			(BulkLength != SizeCheck) ||
-			(BulkLength == 0)) { // Add for fail Urb
+			(BulkLength == 0)) { /* Add for fail Urb */
 			pWb35Rx->EP3vm_state = VM_STOP;
 			pWb35Rx->Ep3ErrorCount2++;
 		}
 	}
 
-	// Indicating the receiving data
+	/* Indicating the receiving data */
 	pWb35Rx->ByteReceived += BulkLength;
-	pWb35Rx->RxBufferSize[ RxBufferId ] = BulkLength;
+	pWb35Rx->RxBufferSize[RxBufferId] = BulkLength;
 
-	if (!pWb35Rx->RxOwner[ RxBufferId ])
+	if (!pWb35Rx->RxOwner[RxBufferId])
 		Wb35Rx_indicate(hw);
 
 	kfree(pWb35Rx->pDRx);
-	// Do the next receive
+	/* Do the next receive */
 	Wb35Rx(hw);
 	return;
 
 error:
-	pWb35Rx->RxOwner[ RxBufferId ] = 1; // Set the owner to hardware
+	pWb35Rx->RxOwner[RxBufferId] = 1; /* Set the owner to hardware */
 	atomic_dec(&pWb35Rx->RxFireCounter);
 	pWb35Rx->EP3vm_state = VM_STOP;
 }
 
-// This function cannot reentrain
+/* This function cannot reentrain */
 static void Wb35Rx(struct ieee80211_hw *hw)
 {
-	struct wbsoft_priv *priv = hw->priv;
-	struct hw_data * pHwData = &priv->sHwData;
-	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
-	u8 *	pRxBufferAddress;
-	struct urb *urb = pWb35Rx->RxUrb;
-	int	retv;
-	u32	RxBufferId;
+	struct wbsoft_priv	*priv = hw->priv;
+	struct hw_data		*pHwData = &priv->sHwData;
+	struct wb35_rx		*pWb35Rx = &pHwData->Wb35Rx;
+	u8			*pRxBufferAddress;
+	struct urb		*urb = pWb35Rx->RxUrb;
+	int			retv;
+	u32			RxBufferId;
 
-	//
-	// Issuing URB
-	//
+	/* Issuing URB */
 	if (pHwData->SurpriseRemove || pHwData->HwStop)
 		goto error;
 
 	if (pWb35Rx->rx_halt)
 		goto error;
 
-	// Get RxBuffer's ID
+	/* Get RxBuffer's ID */
 	RxBufferId = pWb35Rx->RxBufferId;
 	if (!pWb35Rx->RxOwner[RxBufferId]) {
-		// It's impossible to run here.
-		#ifdef _PE_RX_DUMP_
+		/* It's impossible to run here. */
+#ifdef _PE_RX_DUMP_
 		printk("Rx driver fifo unavailable\n");
-		#endif
+#endif
 		goto error;
 	}
 
-	// Update buffer point, then start to bulkin the data from USB
+	/* Update buffer point, then start to bulkin the data from USB */
 	pWb35Rx->RxBufferId++;
 	pWb35Rx->RxBufferId %= MAX_USB_RX_BUFFER_NUMBER;
 
@@ -295,18 +284,18 @@ static void Wb35Rx(struct ieee80211_hw *hw)
 	return;
 
 error:
-	// VM stop
+	/* VM stop */
 	pWb35Rx->EP3vm_state = VM_STOP;
 	atomic_dec(&pWb35Rx->RxFireCounter);
 }
 
 void Wb35Rx_start(struct ieee80211_hw *hw)
 {
-	struct wbsoft_priv *priv = hw->priv;
-	struct hw_data * pHwData = &priv->sHwData;
-	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
+	struct wbsoft_priv	*priv = hw->priv;
+	struct hw_data		*pHwData = &priv->sHwData;
+	struct wb35_rx		*pWb35Rx = &pHwData->Wb35Rx;
 
-	// Allow only one thread to run into the Wb35Rx() function
+	/* Allow only one thread to run into the Wb35Rx() function */
 	if (atomic_inc_return(&pWb35Rx->RxFireCounter) == 1) {
 		pWb35Rx->EP3vm_state = VM_RUNNING;
 		Wb35Rx(hw);
@@ -314,11 +303,10 @@ void Wb35Rx_start(struct ieee80211_hw *hw)
 		atomic_dec(&pWb35Rx->RxFireCounter);
 }
 
-//=====================================================================================
-static void Wb35Rx_reset_descriptor(  struct hw_data * pHwData )
+static void Wb35Rx_reset_descriptor(struct hw_data *pHwData)
 {
-	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
-	u32	i;
+	struct wb35_rx	*pWb35Rx = &pHwData->Wb35Rx;
+	u32		i;
 
 	pWb35Rx->ByteReceived = 0;
 	pWb35Rx->RxProcessIndex = 0;
@@ -326,49 +314,49 @@ static void Wb35Rx_reset_descriptor(  struct hw_data * pHwData )
 	pWb35Rx->EP3vm_state = VM_STOP;
 	pWb35Rx->rx_halt = 0;
 
-	// Initial the Queue. The last buffer is reserved for used if the Rx resource is unavailable.
-	for( i=0; i<MAX_USB_RX_BUFFER_NUMBER; i++ )
+	/* Initial the Queue. The last buffer is reserved for used if the Rx resource is unavailable. */
+	for (i = 0; i < MAX_USB_RX_BUFFER_NUMBER; i++)
 		pWb35Rx->RxOwner[i] = 1;
 }
 
-unsigned char Wb35Rx_initial(struct hw_data * pHwData)
+unsigned char Wb35Rx_initial(struct hw_data *pHwData)
 {
 	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
 
-	// Initial the Buffer Queue
-	Wb35Rx_reset_descriptor( pHwData );
+	/* Initial the Buffer Queue */
+	Wb35Rx_reset_descriptor(pHwData);
 
 	pWb35Rx->RxUrb = usb_alloc_urb(0, GFP_ATOMIC);
-	return (!!pWb35Rx->RxUrb);
+	return !!pWb35Rx->RxUrb;
 }
 
-void Wb35Rx_stop(struct hw_data * pHwData)
+void Wb35Rx_stop(struct hw_data *pHwData)
 {
 	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
 
-	// Canceling the Irp if already sends it out.
+	/* Canceling the Irp if already sends it out. */
 	if (pWb35Rx->EP3vm_state == VM_RUNNING) {
-		usb_unlink_urb( pWb35Rx->RxUrb ); // Only use unlink, let Wb35Rx_destroy to free them
-		#ifdef _PE_RX_DUMP_
+		usb_unlink_urb(pWb35Rx->RxUrb); /* Only use unlink, let Wb35Rx_destroy to free them */
+#ifdef _PE_RX_DUMP_
 		printk("EP3 Rx stop\n");
-		#endif
+#endif
 	}
 }
 
-// Needs process context
-void Wb35Rx_destroy(struct hw_data * pHwData)
+/* Needs process context */
+void Wb35Rx_destroy(struct hw_data *pHwData)
 {
 	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
 
 	do {
-		msleep(10); // Delay for waiting function enter 940623.1.a
+		msleep(10); /* Delay for waiting function enter */
 	} while (pWb35Rx->EP3vm_state != VM_STOP);
-	msleep(10); // Delay for waiting function exit 940623.1.b
+	msleep(10); /* Delay for waiting function exit */
 
 	if (pWb35Rx->RxUrb)
-		usb_free_urb( pWb35Rx->RxUrb );
-	#ifdef _PE_RX_DUMP_
+		usb_free_urb(pWb35Rx->RxUrb);
+#ifdef _PE_RX_DUMP_
 	printk("Wb35Rx_destroy OK\n");
-	#endif
+#endif
 }
 

From b66e65e2fea9392bdccc27b14b00c26b286eb248 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 28 Mar 2010 19:10:59 +0200
Subject: [PATCH 0990/3638] Staging: winbond: wbhal_f.h Coding style fixes.

I fixed all checkpatch problems and also converted the
function arguments from hungarian notation and CamelCase.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Dan Carpenter <error27@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wbhal_f.h | 131 +++++++++++++++++-------------
 1 file changed, 76 insertions(+), 55 deletions(-)

diff --git a/drivers/staging/winbond/wbhal_f.h b/drivers/staging/winbond/wbhal_f.h
index 64a008db30f..401c024bead 100644
--- a/drivers/staging/winbond/wbhal_f.h
+++ b/drivers/staging/winbond/wbhal_f.h
@@ -1,70 +1,91 @@
-//=====================================================================
-// Device related include
-//=====================================================================
+/*
+ * =====================================================================
+ * Device related include
+ * =====================================================================
+*/
 #include "wb35reg_f.h"
 #include "wb35tx_f.h"
 #include "wb35rx_f.h"
 
 #include "core.h"
 
-//====================================================================================
-// Function declaration
-//====================================================================================
-void hal_remove_mapping_key(  struct hw_data * pHwData,  u8 *pmac_addr );
-void hal_remove_default_key(  struct hw_data * pHwData,  u32 index );
-unsigned char hal_set_mapping_key(  struct hw_data * adapter,  u8 *pmac_addr,  u8 null_key,  u8 wep_on,  u8 *ptx_tsc,  u8 *prx_tsc,  u8 key_type,  u8 key_len,  u8 *pkey_data );
-unsigned char hal_set_default_key(  struct hw_data * adapter,  u8 index,  u8 null_key,  u8 wep_on,  u8 *ptx_tsc,  u8 *prx_tsc,  u8 key_type,  u8 key_len,  u8 *pkey_data );
-void hal_clear_all_default_key(  struct hw_data * pHwData );
-void hal_clear_all_group_key(  struct hw_data * pHwData );
-void hal_clear_all_mapping_key(  struct hw_data * pHwData );
-void hal_clear_all_key(  struct hw_data * pHwData );
-void hal_set_power_save_mode(  struct hw_data * pHwData,  unsigned char power_save,  unsigned char wakeup,  unsigned char dtim );
-void hal_get_power_save_mode(  struct hw_data * pHwData,   u8 *pin_pwr_save );
-void hal_set_slot_time(  struct hw_data * pHwData,  u8 type );
-#define hal_set_atim_window( _A, _ATM )
-void hal_start_bss(  struct hw_data * pHwData,  u8 mac_op_mode );
-void hal_join_request(  struct hw_data * pHwData,  u8 bss_type ); // 0:BSS STA 1:IBSS STA//
-void hal_stop_sync_bss(  struct hw_data * pHwData );
-void hal_resume_sync_bss(  struct hw_data * pHwData);
-void hal_set_aid(  struct hw_data * pHwData,  u16 aid );
-void hal_set_bssid(  struct hw_data * pHwData,  u8 *pbssid );
-void hal_get_bssid(  struct hw_data * pHwData,  u8 *pbssid );
-void hal_set_listen_interval(  struct hw_data * pHwData,  u16 listen_interval );
-void hal_set_cap_info(  struct hw_data * pHwData,  u16 capability_info );
-void hal_set_ssid(  struct hw_data * pHwData,  u8 *pssid,  u8 ssid_len );
-void hal_start_tx0(  struct hw_data * pHwData );
-#define hal_get_cwmin( _A ) ( (_A)->cwmin )
-void hal_set_cwmax(  struct hw_data * pHwData,  u16 cwin_max );
-#define hal_get_cwmax( _A ) ( (_A)->cwmax )
-void hal_set_rsn_wpa(  struct hw_data * pHwData,  u32 * RSN_IE_Bitmap , u32 * RSN_OUI_type , unsigned char bDesiredAuthMode);
-void hal_set_connect_info(  struct hw_data * pHwData,  unsigned char boConnect );
-u8 hal_get_est_sq3(  struct hw_data * pHwData,  u8 Count );
-void hal_descriptor_indicate(  struct hw_data * pHwData,  struct wb35_descriptor *pDes );
-u8 hal_get_antenna_number(  struct hw_data * pHwData );
-u32 hal_get_bss_pk_cnt(  struct hw_data * pHwData );
-#define hal_get_region_from_EEPROM( _A ) ( (_A)->reg.EEPROMRegion )
-#define hal_get_tx_buffer( _A, _B ) Wb35Tx_get_tx_buffer( _A, _B )
-#define hal_software_set( _A )		(_A->SoftwareSet)
-#define hal_driver_init_OK( _A )	(_A->IsInitOK)
-#define hal_rssi_boundary_high( _A ) (_A->RSSI_high)
-#define hal_rssi_boundary_low( _A ) (_A->RSSI_low)
-#define hal_scan_interval( _A )		(_A->Scan_Interval)
+/* =====================================================================
+ * Function declaration
+ * =====================================================================
+ */
+void hal_remove_mapping_key(struct hw_data *hw_data, u8 *mac_addr);
+void hal_remove_default_key(struct hw_data *hw_data, u32 index);
+unsigned char hal_set_mapping_key(struct hw_data *adapter, u8 *mac_addr,
+				  u8 null_key, u8 wep_on, u8 *tx_tsc,
+				  u8 *rx_tsc, u8 key_type, u8 key_len,
+				  u8 *key_data);
+unsigned char hal_set_default_key(struct hw_data *adapter, u8 index,
+				  u8 null_key, u8 wep_on, u8 *tx_tsc,
+				  u8 *rx_tsc, u8 key_type, u8 key_len,
+				  u8 *key_data);
+void hal_clear_all_default_key(struct hw_data *hw_data);
+void hal_clear_all_group_key(struct hw_data *hw_data);
+void hal_clear_all_mapping_key(struct hw_data *hw_data);
+void hal_clear_all_key(struct hw_data *hw_data);
+void hal_set_power_save_mode(struct hw_data *hw_data, unsigned char power_save,
+			     unsigned char wakeup, unsigned char dtim);
+void hal_get_power_save_mode(struct hw_data *hw_data, u8 *in_pwr_save);
+void hal_set_slot_time(struct hw_data *hw_data, u8 type);
 
-#define PHY_DEBUG( msg, args... )
+#define hal_set_atim_window(_A, _ATM)
 
-#define hal_get_time_count( _P )	(_P->time_count/10)	// return 100ms count
-#define hal_detect_error( _P )		(_P->WbUsb.DetectCount)
+void hal_start_bss(struct hw_data *hw_data, u8 mac_op_mode);
 
-//-------------------------------------------------------------------------
-// The follow function is unused for IS89C35
-//-------------------------------------------------------------------------
+/* 0:BSS STA 1:IBSS STA */
+void hal_join_request(struct hw_data *hw_data, u8 bss_type);
+
+void hal_stop_sync_bss(struct hw_data *hw_data);
+void hal_resume_sync_bss(struct hw_data *hw_data);
+void hal_set_aid(struct hw_data *hw_data, u16 aid);
+void hal_set_bssid(struct hw_data *hw_data, u8 *bssid);
+void hal_get_bssid(struct hw_data *hw_data, u8 *bssid);
+void hal_set_listen_interval(struct hw_data *hw_data, u16 listen_interval);
+void hal_set_cap_info(struct hw_data *hw_data, u16 capability_info);
+void hal_set_ssid(struct hw_data *hw_data, u8 *ssid, u8 ssid_len);
+void hal_start_tx0(struct hw_data *hw_data);
+
+#define hal_get_cwmin(_A)	((_A)->cwmin)
+
+void hal_set_cwmax(struct hw_data *hw_data, u16 cwin_max);
+
+#define hal_get_cwmax(_A)	((_A)->cwmax)
+
+void hal_set_rsn_wpa(struct hw_data *hw_data, u32 *rsn_ie_bitmap,
+		     u32 *rsn_oui_type , unsigned char desired_auth_mode);
+void hal_set_connect_info(struct hw_data *hw_data, unsigned char bo_connect);
+u8 hal_get_est_sq3(struct hw_data *hw_data, u8 count);
+void hal_descriptor_indicate(struct hw_data *hw_data,
+			     struct wb35_descriptor *des);
+u8 hal_get_antenna_number(struct hw_data *hw_data);
+u32 hal_get_bss_pk_cnt(struct hw_data *hw_data);
+
+#define hal_get_region_from_EEPROM(_A)	((_A)->reg.EEPROMRegion)
+#define hal_get_tx_buffer(_A, _B)	Wb35Tx_get_tx_buffer(_A, _B)
+#define hal_software_set(_A)		(_A->SoftwareSet)
+#define hal_driver_init_OK(_A)		(_A->IsInitOK)
+#define hal_rssi_boundary_high(_A)	(_A->RSSI_high)
+#define hal_rssi_boundary_low(_A)	(_A->RSSI_low)
+#define hal_scan_interval(_A)		(_A->Scan_Interval)
+
+#define PHY_DEBUG(msg, args...)
+
+/* return 100ms count */
+#define hal_get_time_count(_P)		(_P->time_count / 10)
+#define hal_detect_error(_P)		(_P->WbUsb.DetectCount)
+
+/* The follow function is unused for IS89C35 */
 #define hal_disable_interrupt(_A)
 #define hal_enable_interrupt(_A)
-#define hal_get_interrupt_type( _A)
+#define hal_get_interrupt_type(_A)
 #define hal_get_clear_interrupt(_A)
-#define hal_ibss_disconnect(_A) hal_stop_sync_bss(_A)
+#define hal_ibss_disconnect(_A)		(hal_stop_sync_bss(_A))
 #define hal_join_request_stop(_A)
-#define hw_get_cxx_reg( _A, _B, _C )
-#define hw_set_cxx_reg( _A, _B, _C )
+#define hw_get_cxx_reg(_A, _B, _C)
+#define hw_set_cxx_reg(_A, _B, _C)
 
 

From 5a7df3c449e7db7cf4b7807862e11f11c47c2331 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 28 Mar 2010 21:52:37 +0200
Subject: [PATCH 0991/3638] Staging: winbond: wbhal_s.h Coding style fixes.

I fixed checkpatch warnings except some long lines and typedefs.
I also removed versioning comments.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wbhal_s.h | 488 ++++++++++++++----------------
 1 file changed, 235 insertions(+), 253 deletions(-)

diff --git a/drivers/staging/winbond/wbhal_s.h b/drivers/staging/winbond/wbhal_s.h
index 372a05e3021..33457c2e39b 100644
--- a/drivers/staging/winbond/wbhal_s.h
+++ b/drivers/staging/winbond/wbhal_s.h
@@ -4,179 +4,166 @@
 #include <linux/types.h>
 #include <linux/if_ether.h> /* for ETH_ALEN */
 
-//[20040722 WK]
-#define HAL_LED_SET_MASK		0x001c	//20060901 Extend
-#define HAL_LED_SET_SHIFT		2
+#define HAL_LED_SET_MASK	0x001c
+#define HAL_LED_SET_SHIFT	2
 
-//supported RF type
+/* supported RF type */
 #define RF_MAXIM_2825		0
 #define RF_MAXIM_2827		1
 #define RF_MAXIM_2828		2
 #define RF_MAXIM_2829		3
-#define RF_MAXIM_V1			15
+#define RF_MAXIM_V1		15
 #define RF_AIROHA_2230		16
 #define RF_AIROHA_7230		17
-#define RF_AIROHA_2230S		18	// 20060420 Add this
-// #define RF_RFMD_2959		32	// 20060626 Remove all about RFMD
-#define RF_WB_242			33
-#define RF_WB_242_1			34	// 20060619.5 Add
+#define RF_AIROHA_2230S		18
+#define RF_WB_242		33
+#define RF_WB_242_1		34
 #define RF_DECIDE_BY_INF	255
 
-//----------------------------------------------------------------
-// The follow define connect to upper layer
-//	User must modify for connection between HAL and upper layer
-//----------------------------------------------------------------
+/*
+ * ----------------------------------------------------------------
+ * The follow define connect to upper layer
+ *	User must modify for connection between HAL and upper layer
+ * ----------------------------------------------------------------
+ */
 
+/*
+ * ==============================
+ * Common define
+ * ==============================
+ */
+/* Bit 5 */
+#define HAL_USB_MODE_BURST(_H)			(_H->SoftwareSet & 0x20)
 
+/* Scan interval */
+#define SCAN_MAX_CHNL_TIME			(50)
 
-
-/////////////////////////////////////////////////////////////////////////////////////////////////////
-//================================================================================================
-// Common define
-//================================================================================================
-#define HAL_USB_MODE_BURST( _H )	(_H->SoftwareSet & 0x20 ) // Bit 5 20060901 Modify
-
-// Scan interval
-#define SCAN_MAX_CHNL_TIME				(50)
-
-// For TxL2 Frame typr recognise
+/* For TxL2 Frame typr recognise */
 #define FRAME_TYPE_802_3_DATA			0
 #define FRAME_TYPE_802_11_MANAGEMENT		1
-#define FRAME_TYPE_802_11_MANAGEMENT_CHALLENGE  2
+#define FRAME_TYPE_802_11_MANAGEMENT_CHALLENGE	2
 #define FRAME_TYPE_802_11_CONTROL		3
 #define FRAME_TYPE_802_11_DATA			4
 #define FRAME_TYPE_PROMISCUOUS			5
 
-// The follow definition is used for convert the frame--------------------
-#define DOT_11_SEQUENCE_OFFSET		22 //Sequence control offset
+/* The follow definition is used for convert the frame------------ */
+#define DOT_11_SEQUENCE_OFFSET			22 /* Sequence control offset */
 #define DOT_3_TYPE_OFFSET			12
-#define DOT_11_MAC_HEADER_SIZE		24
+#define DOT_11_MAC_HEADER_SIZE			24
 #define DOT_11_SNAP_SIZE			6
-#define DOT_11_TYPE_OFFSET			30 //The start offset of 802.11 Frame. Type encapsulatuin.
+#define DOT_11_TYPE_OFFSET			30 /* The start offset of 802.11 Frame. Type encapsulation. */
 #define DEFAULT_SIFSTIME			10
-#define DEFAULT_FRAGMENT_THRESHOLD		2346 // No fragment
+#define DEFAULT_FRAGMENT_THRESHOLD		2346 /* No fragment */
 #define DEFAULT_MSDU_LIFE_TIME			0xffff
 
-#define LONG_PREAMBLE_PLUS_PLCPHEADER_TIME						(144+48)
-#define SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME 					(72+24)
-#define PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION				(16+4+6)
-#define Tsym 4
+#define LONG_PREAMBLE_PLUS_PLCPHEADER_TIME		(144 + 48)
+#define SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME		(72 + 24)
+#define PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION	(16 + 4 + 6)
+#define Tsym						4
 
-//  Frame Type of Bits (2, 3)---------------------------------------------
+/*  Frame Type of Bits (2, 3)----------------------------------- */
 #define MAC_TYPE_MANAGEMENT			0x00
 #define MAC_TYPE_CONTROL			0x04
 #define MAC_TYPE_DATA				0x08
-#define MASK_FRAGMENT_NUMBER		0x000F
-#define SEQUENCE_NUMBER_SHIFT		4
+#define MASK_FRAGMENT_NUMBER			0x000F
+#define SEQUENCE_NUMBER_SHIFT			4
 
 #define  HAL_WOL_TYPE_WAKEUP_FRAME		0x01
 #define  HAL_WOL_TYPE_MAGIC_PACKET		0x02
 
-// 20040106 ADDED
-#define HAL_KEYTYPE_WEP40                       0
-#define HAL_KEYTYPE_WEP104                      1
-#define HAL_KEYTYPE_TKIP                        2 // 128 bit key
-#define HAL_KEYTYPE_AES_CCMP                    3 // 128 bit key
+#define HAL_KEYTYPE_WEP40			0
+#define HAL_KEYTYPE_WEP104			1
+#define HAL_KEYTYPE_TKIP			2 /* 128 bit key */
+#define HAL_KEYTYPE_AES_CCMP			3 /* 128 bit key */
 
-// For VM state
+/* For VM state */
 enum {
 	VM_STOP = 0,
 	VM_RUNNING,
 	VM_COMPLETED
 };
 
-//-----------------------------------------------------
-// Normal Key table format
-//-----------------------------------------------------
-// The order of KEY index is MAPPING_KEY_START_INDEX > GROUP_KEY_START_INDEX
-#define MAX_KEY_TABLE				24	// 24 entry for storing key data
+/*
+ * ================================
+ * Normal Key table format
+ * ================================
+ */
+
+/* The order of KEY index is MAPPING_KEY_START_INDEX > GROUP_KEY_START_INDEX */
+#define MAX_KEY_TABLE			24 /* 24 entry for storing key data */
 #define GROUP_KEY_START_INDEX		4
 #define MAPPING_KEY_START_INDEX		8
 
-//--------------------------------------------------------
-// 			 Descriptor
-//--------------------------------------------------------
-#define MAX_DESCRIPTOR_BUFFER_INDEX	8	// Have to multiple of 2
-//#define FLAG_ERROR_TX_MASK			cpu_to_le32(0x000000bf) //20061009 marked by anson's endian
-#define FLAG_ERROR_TX_MASK			0x000000bf  //20061009 anson's endian
-//#define FLAG_ERROR_RX_MASK			0x00000c3f
-//#define FLAG_ERROR_RX_MASK			cpu_to_le32(0x0000083f)	//20061009 marked by anson's endian
-									//Don't care replay error,
-												//it is handled by S/W
-#define FLAG_ERROR_RX_MASK			0x0000083f	//20060926 anson's endian
+/*
+ * =========================================
+ * Descriptor
+ * =========================================
+ */
+#define MAX_DESCRIPTOR_BUFFER_INDEX	8 /* Have to multiple of 2 */
+#define FLAG_ERROR_TX_MASK		0x000000bf
+#define FLAG_ERROR_RX_MASK		0x0000083f
 
-#define FLAG_BAND_RX_MASK			0x10000000	//Bit 28
+#define FLAG_BAND_RX_MASK		0x10000000 /* Bit 28 */
 
-typedef struct _R00_DESCRIPTOR
-{
-	union
-	{
+typedef struct _R00_DESCRIPTOR {
+	union {
 		u32	value;
-		#ifdef _BIG_ENDIAN_  //20060926 anson's endian
-		struct
-		{
+#ifdef _BIG_ENDIAN_
+		struct {
 			u32	R00_packet_or_buffer_status:1;
 			u32	R00_packet_in_fifo:1;
 			u32	R00_RESERVED:2;
 			u32	R00_receive_byte_count:12;
 			u32	R00_receive_time_index:16;
 		};
-		#else
-		struct
-		{
+#else
+		struct {
 			u32	R00_receive_time_index:16;
 			u32	R00_receive_byte_count:12;
 			u32	R00_RESERVED:2;
 			u32	R00_packet_in_fifo:1;
 			u32	R00_packet_or_buffer_status:1;
 		};
-		#endif
+#endif
 	};
 } R00_DESCRIPTOR, *PR00_DESCRIPTOR;
 
-typedef struct _T00_DESCRIPTOR
-{
-	union
-	{
+typedef struct _T00_DESCRIPTOR {
+	union {
 		u32	value;
-		#ifdef _BIG_ENDIAN_  //20061009 anson's endian
-		struct
-		{
-			u32	T00_first_mpdu:1; // for hardware use
-			u32	T00_last_mpdu:1; // for hardware use
-			u32	T00_IsLastMpdu:1;// 0: not   1:Yes for software used
-			u32	T00_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS
-			u32	T00_RESERVED_ID:2;//3 bit ID reserved
-			u32	T00_tx_packet_id:4;//930519.4.e 930810.3.c
+#ifdef _BIG_ENDIAN_
+		struct {
+			u32	T00_first_mpdu:1; /* for hardware use */
+			u32	T00_last_mpdu:1; /* for hardware use */
+			u32	T00_IsLastMpdu:1;/* 0:not 1:Yes for software used */
+			u32	T00_IgnoreResult:1;/* The same mechanism with T00 setting. */
+			u32	T00_RESERVED_ID:2;/* 3 bit ID reserved */
+			u32	T00_tx_packet_id:4;
 			u32	T00_RESERVED:4;
 			u32	T00_header_length:6;
 			u32	T00_frame_length:12;
 		};
-		#else
-		struct
-		{
+#else
+		struct {
 			u32	T00_frame_length:12;
 			u32	T00_header_length:6;
 			u32	T00_RESERVED:4;
-			u32	T00_tx_packet_id:4;//930519.4.e 930810.3.c
-			u32	T00_RESERVED_ID:2;//3 bit ID reserved
-			u32	T00_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS
-			u32	T00_IsLastMpdu:1;// 0: not   1:Yes for software used
-			u32	T00_last_mpdu:1; // for hardware use
-			u32	T00_first_mpdu:1; // for hardware use
+			u32	T00_tx_packet_id:4;
+			u32	T00_RESERVED_ID:2; /* 3 bit ID reserved */
+			u32	T00_IgnoreResult:1; /* The same mechanism with T00 setting. */
+			u32	T00_IsLastMpdu:1; /* 0:not 1:Yes for software used */
+			u32	T00_last_mpdu:1; /* for hardware use */
+			u32	T00_first_mpdu:1; /* for hardware use */
 		};
-		#endif
+#endif
 	};
 } T00_DESCRIPTOR, *PT00_DESCRIPTOR;
 
-typedef struct _R01_DESCRIPTOR
-{
-	union
-	{
+typedef struct _R01_DESCRIPTOR {
+	union {
 		u32	value;
-		#ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
-		struct
-		{
+#ifdef _BIG_ENDIAN_
+		struct {
 			u32	R01_RESERVED:3;
 			u32	R01_mod_type:1;
 			u32	R01_pre_type:1;
@@ -197,9 +184,8 @@ typedef struct _R01_DESCRIPTOR
 			u32	R01_icv_error:1;
 			u32	R01_crc_error:1;
 		};
-		#else
-		struct
-		{
+#else
+		struct {
 			u32	R01_crc_error:1;
 			u32	R01_icv_error:1;
 			u32	R01_null_key_to_authentication_frame:1;
@@ -220,18 +206,15 @@ typedef struct _R01_DESCRIPTOR
 			u32	R01_mod_type:1;
 			u32	R01_RESERVED:3;
 		};
-		#endif
+#endif
 	};
 } R01_DESCRIPTOR, *PR01_DESCRIPTOR;
 
-typedef struct _T01_DESCRIPTOR
-{
-	union
-	{
+typedef struct _T01_DESCRIPTOR {
+	union {
 		u32	value;
-		#ifdef _BIG_ENDIAN_ //20061009 anson's endian
-		struct
-		{
+#ifdef _BIG_ENDIAN_
+		struct {
 			u32	T01_rts_cts_duration:16;
 			u32	T01_fall_back_rate:3;
 			u32	T01_add_rts:1;
@@ -245,9 +228,8 @@ typedef struct _T01_DESCRIPTOR
 			u32	T01_loop_back_wep_mode:1;
 			u32	T01_retry_abort_ebable:1;
 		};
-		#else
-		struct
-		{
+#else
+		struct {
 			u32	T01_retry_abort_ebable:1;
 			u32	T01_loop_back_wep_mode:1;
 			u32	T01_inhibit_crc:1;
@@ -261,21 +243,18 @@ typedef struct _T01_DESCRIPTOR
 			u32	T01_fall_back_rate:3;
 			u32	T01_rts_cts_duration:16;
 		};
-		#endif
+#endif
 	};
 } T01_DESCRIPTOR, *PT01_DESCRIPTOR;
 
-typedef struct _T02_DESCRIPTOR
-{
-	union
-	{
+typedef struct _T02_DESCRIPTOR {
+	union {
 		u32	value;
-		#ifdef _BIG_ENDIAN_  //20061009 add by anson's endian
-		struct
-		{
-			u32	T02_IsLastMpdu:1;// The same mechanism with T00 setting
-			u32	T02_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS
-			u32	T02_RESERVED_ID:2;// The same mechanism with T00 setting
+#ifdef _BIG_ENDIAN_
+		struct {
+			u32	T02_IsLastMpdu:1; /* The same mechanism with T00 setting */
+			u32	T02_IgnoreResult:1; /* The same mechanism with T00 setting. */
+			u32	T02_RESERVED_ID:2; /* The same mechanism with T00 setting */
 			u32	T02_Tx_PktID:4;
 			u32	T02_MPDU_Cnt:4;
 			u32	T02_RTS_Cnt:4;
@@ -290,9 +269,8 @@ typedef struct _T02_DESCRIPTOR
 			u32	T02_transmit_abort:1;
 			u32	T02_transmit_fail:1;
 		};
-		#else
-		struct
-		{
+#else
+		struct {
 			u32	T02_transmit_fail:1;
 			u32	T02_transmit_abort:1;
 			u32	T02_out_of_MaxTxMSDULiftTime:1;
@@ -306,122 +284,120 @@ typedef struct _T02_DESCRIPTOR
 			u32	T02_RTS_Cnt:4;
 			u32	T02_MPDU_Cnt:4;
 			u32	T02_Tx_PktID:4;
-			u32	T02_RESERVED_ID:2;// The same mechanism with T00 setting
-			u32	T02_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS
-			u32	T02_IsLastMpdu:1;// The same mechanism with T00 setting
+			u32	T02_RESERVED_ID:2; /* The same mechanism with T00 setting */
+			u32	T02_IgnoreResult:1; /* The same mechanism with T00 setting. */
+			u32	T02_IsLastMpdu:1; /* The same mechanism with T00 setting */
 		};
-		#endif
+#endif
 	};
 } T02_DESCRIPTOR, *PT02_DESCRIPTOR;
 
-struct wb35_descriptor {		// Skip length = 8 DWORD
-	// ID for descriptor ---, The field doesn't be cleard in the operation of Descriptor definition
+struct wb35_descriptor { /* Skip length = 8 DWORD */
+	/* ID for descriptor ---, The field doesn't be cleard in the operation of Descriptor definition */
 	u8	Descriptor_ID;
-	//----------------------The above region doesn't be cleared by DESCRIPTOR_RESET------
+	/* ----------------------The above region doesn't be cleared by DESCRIPTOR_RESET------ */
 	u8	RESERVED[3];
 
 	u16	FragmentThreshold;
-	u8	InternalUsed;//Only can be used by operation of descriptor definition
-	u8	Type;// 0: 802.3	1:802.11 data frame	2:802.11 management frame
+	u8	InternalUsed; /* Only can be used by operation of descriptor definition */
+	u8	Type; /* 0: 802.3 1:802.11 data frame 2:802.11 management frame */
 
-	u8	PreambleMode;// 0: short 1:long
+	u8	PreambleMode;/* 0: short 1:long */
 	u8	TxRate;
 	u8	FragmentCount;
-	u8	EapFix; // For speed up key install
+	u8	EapFix; /* For speed up key install */
 
-	// For R00 and T00 ----------------------------------------------
-	union
-	{
+	/* For R00 and T00 ------------------------------ */
+	union {
 		R00_DESCRIPTOR	R00;
 		T00_DESCRIPTOR	T00;
 	};
 
-	// For R01 and T01 ----------------------------------------------
-	union
-	{
+	/* For R01 and T01 ------------------------------ */
+	union {
 		R01_DESCRIPTOR	R01;
 		T01_DESCRIPTOR	T01;
 	};
 
-	// For R02 and T02 ----------------------------------------------
-	union
-	{
-		u32			R02;
+	/* For R02 and T02 ------------------------------ */
+	union {
+		u32		R02;
 		T02_DESCRIPTOR	T02;
 	};
 
-	// For R03 and T03 ----------------------------------------------
-	// For software used
-	union
-	{
+	/* For R03 and T03 ------------------------------ */
+	/* For software used */
+	union {
 		u32	R03;
 		u32	T03;
-		struct
-		{
+		struct {
 			u8	buffer_number;
 			u8	buffer_start_index;
 			u16	buffer_total_size;
 		};
 	};
 
-	// For storing the buffer
-	u16	buffer_size[ MAX_DESCRIPTOR_BUFFER_INDEX ];
-	void*	buffer_address[ MAX_DESCRIPTOR_BUFFER_INDEX ];//931130.4.q
-
+	/* For storing the buffer */
+	u16	buffer_size[MAX_DESCRIPTOR_BUFFER_INDEX];
+	void	*buffer_address[MAX_DESCRIPTOR_BUFFER_INDEX];
 };
 
 
-#define DEFAULT_NULL_PACKET_COUNT		180000	//20060828.1 Add. 180 seconds
+#define DEFAULT_NULL_PACKET_COUNT	180000	/* 180 seconds */
 
-#define MAX_TXVGA_EEPROM	9	//How many word(u16) of EEPROM will be used for TxVGA
-#define MAX_RF_PARAMETER	32
+#define MAX_TXVGA_EEPROM		9	/* How many word(u16) of EEPROM will be used for TxVGA */
+#define MAX_RF_PARAMETER		32
 
 typedef struct _TXVGA_FOR_50 {
-	u8      ChanNo;
-	u8      TxVgaValue;
+	u8	ChanNo;
+	u8	TxVgaValue;
 } TXVGA_FOR_50;
 
 
-//=====================================================================
-// Device related include
-//=====================================================================
+/*
+ * ==============================================
+ * Device related include
+ * ==============================================
+ */
 
 #include "wbusb_s.h"
 #include "wb35reg_s.h"
 #include "wb35tx_s.h"
 #include "wb35rx_s.h"
 
-// For Hal using ==================================================================
+/* For Hal using ============================================ */
 struct hw_data {
-	// For compatible with 33
+	/* For compatible with 33 */
 	u32	revision;
-	u32	BB3c_cal; // The value for Tx calibration comes from EEPROM
-	u32	BB54_cal; // The value for Rx calibration comes from EEPROM
+	u32	BB3c_cal; /* The value for Tx calibration comes from EEPROM */
+	u32	BB54_cal; /* The value for Rx calibration comes from EEPROM */
 
-
-	// For surprise remove
-	u32	SurpriseRemove; // 0: Normal 1: Surprise remove
+	/* For surprise remove */
+	u32	SurpriseRemove; /* 0: Normal 1: Surprise remove */
 	u8	IsKeyPreSet;
-	u8	CalOneTime; // 20060630.1
+	u8	CalOneTime;
 
 	u8	VCO_trim;
 
-	// For Fix 1'st DMA bug
 	u32	FragCount;
-	u32	DMAFix; //V1_DMA_FIX The variable can be removed if driver want to save mem space for V2.
+	u32	DMAFix; /* V1_DMA_FIX The variable can be removed if driver want to save mem space for V2. */
 
-	//===============================================
-	// Definition for MAC address
-	//===============================================
-	u8		PermanentMacAddress[ETH_ALEN + 2]; // The Enthernet addr that are stored in EEPROM.  + 2 to 8-byte alignment
-	u8		CurrentMacAddress[ETH_ALEN + 2]; // The Enthernet addr that are in used.  + 2 to 8-byte alignment
+	/*
+	 * ===============================================
+	 * Definition for MAC address
+	 * ===============================================
+	 */
+	u8	PermanentMacAddress[ETH_ALEN + 2]; /* The Ethernet addr that are stored in EEPROM. + 2 to 8-byte alignment */
+	u8	CurrentMacAddress[ETH_ALEN + 2]; /* The Enthernet addr that are in used. + 2 to 8-byte alignment */
 
-	//=====================================================================
-	// Definition for 802.11
-	//=====================================================================
-	u8	*bssid_pointer; // Used by hal_get_bssid for return value
-	u8	bssid[8];// Only 6 byte will be used. 8 byte is required for read buffer
-	u8	ssid[32];// maximum ssid length is 32 byte
+	/*
+	 * =========================================
+	 * Definition for 802.11
+	 * =========================================
+	 */
+	u8	*bssid_pointer; /* Used by hal_get_bssid for return value */
+	u8	bssid[8]; /* Only 6 byte will be used. 8 byte is required for read buffer */
+	u8	ssid[32]; /* maximum ssid length is 32 byte */
 
 	u16	AID;
 	u8	ssid_length;
@@ -433,112 +409,118 @@ struct hw_data {
 	u16	BeaconPeriod;
 	u16	ProbeDelay;
 
-	u8	bss_type;// 0: IBSS_NET or 1:ESS_NET
-	u8	preamble;// 0: short preamble, 1: long preamble
-	u8	slot_time_select;// 9 or 20 value
-	u8	phy_type;// Phy select
+	u8	bss_type;/* 0: IBSS_NET or 1:ESS_NET */
+	u8	preamble;/* 0: short preamble, 1: long preamble */
+	u8	slot_time_select; /* 9 or 20 value */
+	u8	phy_type; /* Phy select */
 
 	u32	phy_para[MAX_RF_PARAMETER];
 	u32	phy_number;
 
-	u32	CurrentRadioSw; // 20060320.2 0:On 1:Off
-	u32	CurrentRadioHw; // 20060825 0:On 1:Off
+	u32	CurrentRadioSw; /* 0:On 1:Off */
+	u32	CurrentRadioHw; /* 0:On 1:Off */
 
-	u8	*power_save_point;  // Used by hal_get_power_save_mode for return value
+	u8	*power_save_point; /* Used by hal_get_power_save_mode for return value */
 	u8	cwmin;
 	u8	desired_power_save;
-	u8	dtim;// Is running dtim
-	u8	mapping_key_replace_index;//In Key table, the next index be replaced 931130.4.r
+	u8	dtim; /* Is running dtim */
+	u8	mapping_key_replace_index; /* In Key table, the next index be replaced */
 
 	u16	MaxReceiveLifeTime;
 	u16	FragmentThreshold;
 	u16	FragmentThreshold_tmp;
 	u16	cwmax;
 
-	u8	Key_slot[MAX_KEY_TABLE][8]; //Ownership record for key slot. For Alignment
-	u32	Key_content[MAX_KEY_TABLE][12]; // 10DW for each entry + 2 for burst command( Off and On valid bit)
+	u8	Key_slot[MAX_KEY_TABLE][8]; /* Ownership record for key slot. For Alignment */
+	u32	Key_content[MAX_KEY_TABLE][12]; /* 10DW for each entry + 2 for burst command (Off and On valid bit) */
 	u8	CurrentDefaultKeyIndex;
 	u32	CurrentDefaultKeyLength;
 
-	//========================================================================
-	// Variable for each module
-	//========================================================================
-	struct wb_usb	WbUsb; // Need WbUsb.h
-	struct wb35_reg	reg; // Need Wb35Reg.h
-	struct wb35_tx	Wb35Tx; // Need Wb35Tx.h
-	struct wb35_rx	Wb35Rx; // Need Wb35Rx.h
+	/*
+	 * ==================================================
+	 * Variable for each module
+	 * ==================================================
+	 */
+	struct wb_usb		WbUsb;	/* Need WbUsb.h */
+	struct wb35_reg		reg;	/* Need Wb35Reg.h */
+	struct wb35_tx		Wb35Tx; /* Need Wb35Tx.h */
+	struct wb35_rx		Wb35Rx; /* Need Wb35Rx.h */
 
-	struct timer_list	LEDTimer;// For LED
+	struct timer_list	LEDTimer; /* For LED */
 
-	u32		LEDpoint;// For LED
+	u32			LEDpoint; /* For LED */
 
-    u32         dto_tx_retry_count;         // LA20040210_DTO kevin
-    u32         dto_tx_frag_count;          // LA20040210_DTO kevin
-    u32         rx_ok_count[13];    // index=0: total rx ok
-    //u32         rx_ok_bytes[13];    // index=0, total rx ok bytes
-    u32         rx_err_count[13];   // index=0: total rx err
+	u32			dto_tx_retry_count;
+	u32			dto_tx_frag_count;
+	u32			rx_ok_count[13]; /* index=0: total rx ok */
+	u32			rx_err_count[13]; /* index=0: total rx err */
 
-	//for Tx debug
+	/* for Tx debug */
 	u32			tx_TBTT_start_count;
 	u32			tx_ETR_count;
 	u32			tx_WepOn_false_count;
 	u32			tx_Null_key_count;
 	u32			tx_retry_count[8];
 
-	u8		PowerIndexFromEEPROM; // For 2412MHz
-	u8		power_index;
-	u8		IsWaitJoinComplete;	// TRUE: set join request
-	u8		band;
+	u8			PowerIndexFromEEPROM; /* For 2412MHz */
+	u8			power_index;
+	u8			IsWaitJoinComplete; /* TRUE: set join request */
+	u8			band;
 
-	u16		SoftwareSet;
-	u16		Reserved_s;
+	u16			SoftwareSet;
+	u16			Reserved_s;
 
-	u32		IsInitOK; // 0: Driver starting   1: Driver init OK
+	u32			IsInitOK; /* 0: Driver starting 1: Driver init OK */
 
-	// For Phy calibration
-    s32		iq_rsdl_gain_tx_d2;
-    s32		iq_rsdl_phase_tx_d2;
-	u32		txvga_setting_for_cal; // 20060703.1 Add
+	/* For Phy calibration */
+	s32			iq_rsdl_gain_tx_d2;
+	s32			iq_rsdl_phase_tx_d2;
+	u32			txvga_setting_for_cal;
 
-	u8		TxVgaSettingInEEPROM[ (((MAX_TXVGA_EEPROM*2)+3) & ~0x03) ]; // 20060621 For backup EEPROM value
-	u8		TxVgaFor24[16]; // Max is 14, 2 for alignment
-	TXVGA_FOR_50	TxVgaFor50[36];	// 35 channels in 5G. 35x2 = 70 byte. 2 for alignments
+	u8			TxVgaSettingInEEPROM[(((MAX_TXVGA_EEPROM * 2) + 3) & ~0x03)]; /* For EEPROM value */
+	u8			TxVgaFor24[16]; /* Max is 14, 2 for alignment */
+	TXVGA_FOR_50		TxVgaFor50[36];	/* 35 channels in 5G. 35x2 = 70 byte. 2 for alignments */
 
-	u16		Scan_Interval;
-	u16		RESERVED6;
+	u16			Scan_Interval;
+	u16			RESERVED6;
 
-	// LED control
+	/* LED control */
 	u32		LED_control;
-		// LED_control 4 byte: Gray_Led_1[3]		Gray_Led_0[2]		Led[1]			Led[0]
-		// Gray_Led
-		//		For Led gray setting
-		// Led
-		//		0: normal control, LED behavior will decide by EEPROM setting
-		//		1: Turn off specific LED
-		//		2: Always on specific LED
-		//		3: slow blinking specific LED
-		//		4: fast blinking specific LED
-		//		5: WPS led control is set. Led0 is Red, Led1 id Green
-		//			Led[1] is parameter for WPS LED mode
-		//				 // 1:InProgress  2: Error 3: Session overlap 4: Success 20061108 control
-
-	u32		LED_LinkOn;		//Turn LED on control
-	u32		LED_Scanning;	// Let LED in scan process control
-	u32		LED_Blinking; // Temp variable for shining
+	/*
+	 * LED_control 4 byte: Gray_Led_1[3] Gray_Led_0[2] Led[1] Led[0]
+	 * Gray_Led
+	 *		For Led gray setting
+	 * Led
+	 *		0: normal control,
+	 *			LED behavior will decide by EEPROM setting
+	 *		1: Turn off specific LED
+	 *		2: Always on specific LED
+	 *		3: slow blinking specific LED
+	 *		4: fast blinking specific LED
+	 *		5: WPS led control is set. Led0 is Red, Led1 id Green
+	 *
+	 * Led[1] is parameter for WPS LED mode
+	 *		1:InProgress
+	 *		2: Error
+	 *		3: Session overlap
+	 *		4: Success control
+	 */
+	u32		LED_LinkOn;	/* Turn LED on control */
+	u32		LED_Scanning;	/* Let LED in scan process control */
+	u32		LED_Blinking;	/* Temp variable for shining */
 	u32		RxByteCountLast;
 	u32		TxByteCountLast;
 
 	atomic_t	SurpriseRemoveCount;
 
-	// For global timer
-	u32		time_count;//TICK_TIME_100ms 1 = 100ms
+	/* For global timer */
+	u32		time_count;	/* TICK_TIME_100ms 1 = 100ms */
 
-	// For error recover
+	/* For error recover */
 	u32		HwStop;
 
-	// 20060828.1 for avoid AP disconnect
+	/* For avoid AP disconnect */
 	u32		NullPacketCount;
-
 };
 
 #endif

From 83ad993d65738b6058a019b9c20ee65a57b0eecf Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 28 Mar 2010 22:00:13 +0200
Subject: [PATCH 0992/3638] Staging: winbond: wblinux_f.h Coding style fixes
 v2.

I fixed whitespace and comments.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wblinux_f.h | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/winbond/wblinux_f.h b/drivers/staging/winbond/wblinux_f.h
index 868e8772724..0a9d214f718 100644
--- a/drivers/staging/winbond/wblinux_f.h
+++ b/drivers/staging/winbond/wblinux_f.h
@@ -4,13 +4,14 @@
 #include "core.h"
 #include "mds_s.h"
 
-//=========================================================================
-// Copyright (c) 1996-2004 Winbond Electronic Corporation
-//
-// wblinux_f.h
-//
-int wb35_start_xmit(struct sk_buff *skb, struct net_device *netdev );
-void wb35_set_multicast( struct net_device *netdev );
-struct net_device_stats * wb35_netdev_stats( struct net_device *netdev );
-
+/*
+ * ====================================================================
+ * Copyright (c) 1996-2004 Winbond Electronic Corporation
+ *
+ * wblinux_f.h
+ * ====================================================================
+ */
+int wb35_start_xmit(struct sk_buff *skb, struct net_device *netdev);
+void wb35_set_multicast(struct net_device *netdev);
+struct net_device_stats *wb35_netdev_stats(struct net_device *netdev);
 #endif

From 912457fa4f63d69625653c6ca8d92c564907d14b Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 28 Mar 2010 22:05:32 +0200
Subject: [PATCH 0993/3638] Staging: winbond: wbusb_s.h Coding style fixes.

I fixed comments and some spacing.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wbusb_s.h | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/winbond/wbusb_s.h b/drivers/staging/winbond/wbusb_s.h
index 0c7e6a383f2..8961ae594c4 100644
--- a/drivers/staging/winbond/wbusb_s.h
+++ b/drivers/staging/winbond/wbusb_s.h
@@ -1,16 +1,10 @@
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-// Copyright (c) 1996-2004 Winbond Electronic Corporation
-//
-//  Module Name:
-//    wbusb_s.h
-//
-//  Abstract:
-//    Linux driver.
-//
-//  Author:
-//
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
+/* =========================================================
+ * Copyright (c) 1996-2004 Winbond Electronic Corporation
+ *
+ *  Module Name:
+ *    wbusb_s.h
+ * =========================================================
+ */
 #ifndef __WINBOND_WBUSB_S_H
 #define __WINBOND_WBUSB_S_H
 
@@ -18,8 +12,7 @@
 
 struct wb_usb {
 	u32	IsUsb20;
-	struct usb_device *udev;
+	struct	usb_device *udev;
 	u32	DetectCount;
 };
-
 #endif

From e5851c205d7d1920389ab4368f6f374d3594b93d Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Fri, 2 Apr 2010 10:57:35 +0200
Subject: [PATCH 0994/3638] Staging: winbond: wbusb.c Coding style fixes.

I fixed the reported checkpatch.pl problems except for a bunch of
long lines and some printk:s.
I also removed versioning comments.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/wbusb.c | 187 ++++++++++++++------------------
 1 file changed, 84 insertions(+), 103 deletions(-)

diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c
index 3482eec1865..d7694e6a37a 100644
--- a/drivers/staging/winbond/wbusb.c
+++ b/drivers/staging/winbond/wbusb.c
@@ -142,19 +142,17 @@ static void hal_set_radio_mode(struct hw_data *pHwData, unsigned char radio_off)
 	if (pHwData->SurpriseRemove)
 		return;
 
-	if (radio_off)		//disable Baseband receive off
-	{
-		pHwData->CurrentRadioSw = 1;	// off
+	if (radio_off) {	/* disable Baseband receive off */
+		pHwData->CurrentRadioSw = 1;	/* off */
 		reg->M24_MacControl &= 0xffffffbf;
 	} else {
-		pHwData->CurrentRadioSw = 0;	// on
+		pHwData->CurrentRadioSw = 0;	/* on */
 		reg->M24_MacControl |= 0x00000040;
 	}
 	Wb35Reg_Write(pHwData, 0x0824, reg->M24_MacControl);
 }
 
-static void
-hal_set_current_channel_ex(struct hw_data *pHwData, struct chan_info channel)
+static void hal_set_current_channel_ex(struct hw_data *pHwData, struct chan_info channel)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 
@@ -163,17 +161,18 @@ hal_set_current_channel_ex(struct hw_data *pHwData, struct chan_info channel)
 
 	printk("Going to channel: %d/%d\n", channel.band, channel.ChanNo);
 
-	RFSynthesizer_SwitchingChannel(pHwData, channel);	// Switch channel
+	RFSynthesizer_SwitchingChannel(pHwData, channel); /* Switch channel */
 	pHwData->Channel = channel.ChanNo;
 	pHwData->band = channel.band;
 #ifdef _PE_STATE_DUMP_
 	printk("Set channel is %d, band =%d\n", pHwData->Channel,
 	       pHwData->band);
 #endif
-	reg->M28_MacControl &= ~0xff;	// Clean channel information field
+	reg->M28_MacControl &= ~0xff;	/* Clean channel information field */
 	reg->M28_MacControl |= channel.ChanNo;
 	Wb35Reg_WriteWithCallbackValue(pHwData, 0x0828, reg->M28_MacControl,
-				       (s8 *) & channel, sizeof(struct chan_info));
+				       (s8 *) &channel,
+				       sizeof(struct chan_info));
 }
 
 static void hal_set_current_channel(struct hw_data *pHwData, struct chan_info channel)
@@ -188,21 +187,22 @@ static void hal_set_accept_broadcast(struct hw_data *pHwData, u8 enable)
 	if (pHwData->SurpriseRemove)
 		return;
 
-	reg->M00_MacControl &= ~0x02000000;	//The HW value
+	reg->M00_MacControl &= ~0x02000000;	/* The HW value */
 
 	if (enable)
-		reg->M00_MacControl |= 0x02000000;	//The HW value
+		reg->M00_MacControl |= 0x02000000;	/* The HW value */
 
 	Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
 }
 
-//for wep key error detection, we need to accept broadcast packets to be received temporary.
+/* For wep key error detection, we need to accept broadcast packets to be received temporary. */
 static void hal_set_accept_promiscuous(struct hw_data *pHwData, u8 enable)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 
 	if (pHwData->SurpriseRemove)
 		return;
+
 	if (enable) {
 		reg->M00_MacControl |= 0x00400000;
 		Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
@@ -219,9 +219,9 @@ static void hal_set_accept_multicast(struct hw_data *pHwData, u8 enable)
 	if (pHwData->SurpriseRemove)
 		return;
 
-	reg->M00_MacControl &= ~0x01000000;	//The HW value
+	reg->M00_MacControl &= ~0x01000000;	/* The HW value */
 	if (enable)
-		reg->M00_MacControl |= 0x01000000;	//The HW value
+		reg->M00_MacControl |= 0x01000000;	/* The HW value */
 	Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
 }
 
@@ -232,13 +232,12 @@ static void hal_set_accept_beacon(struct hw_data *pHwData, u8 enable)
 	if (pHwData->SurpriseRemove)
 		return;
 
-	// 20040108 debug
-	if (!enable)		//Due to SME and MLME are not suitable for 35
+	if (!enable)	/* Due to SME and MLME are not suitable for 35 */
 		return;
 
-	reg->M00_MacControl &= ~0x04000000;	//The HW value
+	reg->M00_MacControl &= ~0x04000000;	/* The HW value */
 	if (enable)
-		reg->M00_MacControl |= 0x04000000;	//The HW value
+		reg->M00_MacControl |= 0x04000000;	/* The HW value */
 
 	Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
 }
@@ -283,8 +282,7 @@ static const struct ieee80211_ops wbsoft_ops = {
 	.get_tsf		= wbsoft_get_tsf,
 };
 
-static void
-hal_set_ethernet_address(struct hw_data *pHwData, u8 * current_address)
+static void hal_set_ethernet_address(struct hw_data *pHwData, u8 *current_address)
 {
 	u32 ltmp[2];
 
@@ -294,14 +292,12 @@ hal_set_ethernet_address(struct hw_data *pHwData, u8 * current_address)
 	memcpy(pHwData->CurrentMacAddress, current_address, ETH_ALEN);
 
 	ltmp[0] = cpu_to_le32(*(u32 *) pHwData->CurrentMacAddress);
-	ltmp[1] =
-	    cpu_to_le32(*(u32 *) (pHwData->CurrentMacAddress + 4)) & 0xffff;
+	ltmp[1] = cpu_to_le32(*(u32 *) (pHwData->CurrentMacAddress + 4)) & 0xffff;
 
 	Wb35Reg_BurstWrite(pHwData, 0x03e8, ltmp, 2, AUTO_INCREMENT);
 }
 
-static void
-hal_get_permanent_address(struct hw_data *pHwData, u8 * pethernet_address)
+static void hal_get_permanent_address(struct hw_data *pHwData, u8 *pethernet_address)
 {
 	if (pHwData->SurpriseRemove)
 		return;
@@ -319,7 +315,7 @@ static void hal_stop(struct hw_data *pHwData)
 	pHwData->Wb35Tx.tx_halt = 1;
 	Wb35Tx_stop(pHwData);
 
-	reg->D00_DmaControl &= ~0xc0000000;	//Tx Off, Rx Off
+	reg->D00_DmaControl &= ~0xc0000000;	/* Tx Off, Rx Off */
 	Wb35Reg_Write(pHwData, 0x0400, reg->D00_DmaControl);
 }
 
@@ -346,14 +342,14 @@ u8 hal_get_antenna_number(struct hw_data *pHwData)
 }
 
 /* 0 : radio on; 1: radio off */
-static u8 hal_get_hw_radio_off(struct hw_data * pHwData)
+static u8 hal_get_hw_radio_off(struct hw_data *pHwData)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 
 	if (pHwData->SurpriseRemove)
 		return 1;
 
-	//read the bit16 of register U1B0
+	/* read the bit16 of register U1B0 */
 	Wb35Reg_Read(pHwData, 0x3b0, &reg->U1B0);
 	if ((reg->U1B0 & 0x00010000)) {
 		pHwData->CurrentRadioHw = 1;
@@ -387,104 +383,98 @@ static void hal_led_control(unsigned long data)
 
 	if (pHwData->LED_control) {
 		ltmp2 = pHwData->LED_control & 0xff;
-		if (ltmp2 == 5)	// 5 is WPS mode
-		{
+		if (ltmp2 == 5)	{ /* 5 is WPS mode */
 			TimeInterval = 100;
 			ltmp2 = (pHwData->LED_control >> 8) & 0xff;
 			switch (ltmp2) {
-			case 1:	// [0.2 On][0.1 Off]...
+			case 1:	/* [0.2 On][0.1 Off]... */
 				pHwData->LED_Blinking %= 3;
-				ltmp = 0x1010;	// Led 1 & 0 Green and Red
-				if (pHwData->LED_Blinking == 2)	// Turn off
+				ltmp = 0x1010;	/* Led 1 & 0 Green and Red */
+				if (pHwData->LED_Blinking == 2)	/* Turn off */
 					ltmp = 0;
 				break;
-			case 2:	// [0.1 On][0.1 Off]...
+			case 2:	/* [0.1 On][0.1 Off]... */
 				pHwData->LED_Blinking %= 2;
-				ltmp = 0x0010;	// Led 0 red color
-				if (pHwData->LED_Blinking)	// Turn off
+				ltmp = 0x0010;	/* Led 0 red color */
+				if (pHwData->LED_Blinking) /* Turn off */
 					ltmp = 0;
 				break;
-			case 3:	// [0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.5 Off]...
+			case 3:	/* [0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.5 Off]... */
 				pHwData->LED_Blinking %= 15;
-				ltmp = 0x0010;	// Led 0 red color
-				if ((pHwData->LED_Blinking >= 9) || (pHwData->LED_Blinking % 2))	// Turn off 0.6 sec
+				ltmp = 0x0010;	/* Led 0 red color */
+				if ((pHwData->LED_Blinking >= 9) || (pHwData->LED_Blinking % 2)) /* Turn off 0.6 sec */
 					ltmp = 0;
 				break;
-			case 4:	// [300 On][ off ]
-				ltmp = 0x1000;	// Led 1 Green color
+			case 4:	/* [300 On][ off ] */
+				ltmp = 0x1000;	/* Led 1 Green color */
 				if (pHwData->LED_Blinking >= 3000)
-					ltmp = 0;	// led maybe on after 300sec * 32bit counter overlap.
+					ltmp = 0; /* led maybe on after 300sec * 32bit counter overlap. */
 				break;
 			}
 			pHwData->LED_Blinking++;
 
 			reg->U1BC_LEDConfigure = ltmp;
-			if (LEDSet != 7)	// Only 111 mode has 2 LEDs on PCB.
-			{
-				reg->U1BC_LEDConfigure |= (ltmp & 0xff) << 8;	// Copy LED result to each LED control register
+			if (LEDSet != 7) { /* Only 111 mode has 2 LEDs on PCB. */
+				reg->U1BC_LEDConfigure |= (ltmp & 0xff) << 8; /* Copy LED result to each LED control register */
 				reg->U1BC_LEDConfigure |= (ltmp & 0xff00) >> 8;
 			}
 			Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);
 		}
-	} else if (pHwData->CurrentRadioSw || pHwData->CurrentRadioHw)	// If radio off
-	{
+	} else if (pHwData->CurrentRadioSw || pHwData->CurrentRadioHw) { /* If radio off */
 		if (reg->U1BC_LEDConfigure & 0x1010) {
 			reg->U1BC_LEDConfigure &= ~0x1010;
 			Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);
 		}
 	} else {
 		switch (LEDSet) {
-		case 4:	// [100] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing
-			if (!pHwData->LED_LinkOn)	// Blink only if not Link On
-			{
-				// Blinking if scanning is on progress
+		case 4:	/* [100] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing */
+			if (!pHwData->LED_LinkOn) { /* Blink only if not Link On */
+				/* Blinking if scanning is on progress */
 				if (pHwData->LED_Scanning) {
 					if (pHwData->LED_Blinking == 0) {
 						reg->U1BC_LEDConfigure |= 0x10;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_0 On
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 On */
 						pHwData->LED_Blinking = 1;
 						TimeInterval = 300;
 					} else {
 						reg->U1BC_LEDConfigure &= ~0x10;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_0 Off
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
 						pHwData->LED_Blinking = 0;
 						TimeInterval = 300;
 					}
 				} else {
-					//Turn Off LED_0
+					/* Turn Off LED_0 */
 					if (reg->U1BC_LEDConfigure & 0x10) {
 						reg->U1BC_LEDConfigure &= ~0x10;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_0 Off
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
 					}
 				}
 			} else {
-				// Turn On LED_0
+				/* Turn On LED_0 */
 				if ((reg->U1BC_LEDConfigure & 0x10) == 0) {
 					reg->U1BC_LEDConfigure |= 0x10;
-					Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_0 Off
+					Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
 				}
 			}
 			break;
-
-		case 6:	// [110] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing
-			if (!pHwData->LED_LinkOn)	// Blink only if not Link On
-			{
-				// Blinking if scanning is on progress
+		case 6:	/* [110] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing */
+			if (!pHwData->LED_LinkOn) { /* Blink only if not Link On */
+				/* Blinking if scanning is on progress */
 				if (pHwData->LED_Scanning) {
 					if (pHwData->LED_Blinking == 0) {
 						reg->U1BC_LEDConfigure &= ~0xf;
 						reg->U1BC_LEDConfigure |= 0x10;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_0 On
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 On */
 						pHwData->LED_Blinking = 1;
 						TimeInterval = 300;
 					} else {
 						reg->U1BC_LEDConfigure &= ~0x1f;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_0 Off
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
 						pHwData->LED_Blinking = 0;
 						TimeInterval = 300;
 					}
 				} else {
-					// 20060901 Gray blinking if in disconnect state and not scanning
+					/* Gray blinking if in disconnect state and not scanning */
 					ltmp = reg->U1BC_LEDConfigure;
 					reg->U1BC_LEDConfigure &= ~0x1f;
 					if (LED_GRAY2[(pHwData->LED_Blinking % 30)]) {
@@ -494,85 +484,78 @@ static void hal_led_control(unsigned long data)
 					}
 					pHwData->LED_Blinking++;
 					if (reg->U1BC_LEDConfigure != ltmp)
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_0 Off
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
 					TimeInterval = 100;
 				}
 			} else {
-				// Turn On LED_0
+				/* Turn On LED_0 */
 				if ((reg->U1BC_LEDConfigure & 0x10) == 0) {
 					reg->U1BC_LEDConfigure |= 0x10;
-					Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_0 Off
+					Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
 				}
 			}
 			break;
-
-		case 5:	// [101] Only 1 Led be placed on PCB and use LED_1 for showing
-			if (!pHwData->LED_LinkOn)	// Blink only if not Link On
-			{
-				// Blinking if scanning is on progress
+		case 5:	/* [101] Only 1 Led be placed on PCB and use LED_1 for showing */
+			if (!pHwData->LED_LinkOn) { /* Blink only if not Link On */
+				/* Blinking if scanning is on progress */
 				if (pHwData->LED_Scanning) {
 					if (pHwData->LED_Blinking == 0) {
-						reg->U1BC_LEDConfigure |=
-						    0x1000;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_1 On
+						reg->U1BC_LEDConfigure |= 0x1000;
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 On */
 						pHwData->LED_Blinking = 1;
 						TimeInterval = 300;
 					} else {
-						reg->U1BC_LEDConfigure &=
-						    ~0x1000;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_1 Off
+						reg->U1BC_LEDConfigure &= ~0x1000;
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 Off */
 						pHwData->LED_Blinking = 0;
 						TimeInterval = 300;
 					}
 				} else {
-					//Turn Off LED_1
+					/* Turn Off LED_1 */
 					if (reg->U1BC_LEDConfigure & 0x1000) {
-						reg->U1BC_LEDConfigure &=
-						    ~0x1000;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_1 Off
+						reg->U1BC_LEDConfigure &= ~0x1000;
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 Off */
 					}
 				}
 			} else {
-				// Is transmitting/receiving ??
+				/* Is transmitting/receiving ?? */
 				if ((adapter->RxByteCount !=
 				     pHwData->RxByteCountLast)
 				    || (adapter->TxByteCount !=
 					pHwData->TxByteCountLast)) {
 					if ((reg->U1BC_LEDConfigure & 0x3000) !=
 					    0x3000) {
-						reg->U1BC_LEDConfigure |=
-						    0x3000;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_1 On
+						reg->U1BC_LEDConfigure |= 0x3000;
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 On */
 					}
-					// Update variable
+					/* Update variable */
 					pHwData->RxByteCountLast =
 					    adapter->RxByteCount;
 					pHwData->TxByteCountLast =
 					    adapter->TxByteCount;
 					TimeInterval = 200;
 				} else {
-					// Turn On LED_1 and blinking if transmitting/receiving
+					/* Turn On LED_1 and blinking if transmitting/receiving */
 					if ((reg->U1BC_LEDConfigure & 0x3000) !=
 					    0x1000) {
 						reg->U1BC_LEDConfigure &=
 						    ~0x3000;
 						reg->U1BC_LEDConfigure |=
 						    0x1000;
-						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	// LED_1 On
+						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 On */
 					}
 				}
 			}
 			break;
-
-		default:	// Default setting. 2 LED be placed on PCB. LED_0: Link On LED_1 Active
+		default: /* Default setting. 2 LED be placed on PCB. LED_0: Link On LED_1 Active */
 			if ((reg->U1BC_LEDConfigure & 0x3000) != 0x3000) {
-				reg->U1BC_LEDConfigure |= 0x3000;	// LED_1 is always on and event enable
+				reg->U1BC_LEDConfigure |= 0x3000;	/* LED_1 is always on and event enable */
 				Wb35Reg_Write(pHwData, 0x03bc,
 					      reg->U1BC_LEDConfigure);
 			}
 
 			if (pHwData->LED_Blinking) {
-				// Gray blinking
+				/* Gray blinking */
 				reg->U1BC_LEDConfigure &= ~0x0f;
 				reg->U1BC_LEDConfigure |= 0x10;
 				reg->U1BC_LEDConfigure |=
@@ -584,7 +567,7 @@ static void hal_led_control(unsigned long data)
 				if (pHwData->LED_Blinking < 40)
 					TimeInterval = 100;
 				else {
-					pHwData->LED_Blinking = 0;	// Stop blinking
+					pHwData->LED_Blinking = 0; /* Stop blinking */
 					reg->U1BC_LEDConfigure &= ~0x0f;
 					Wb35Reg_Write(pHwData, 0x03bc,
 						      reg->U1BC_LEDConfigure);
@@ -593,16 +576,14 @@ static void hal_led_control(unsigned long data)
 			}
 
 			if (pHwData->LED_LinkOn) {
-				if (!(reg->U1BC_LEDConfigure & 0x10))	// Check the LED_0
-				{
-					//Try to turn ON LED_0 after gray blinking
+				if (!(reg->U1BC_LEDConfigure & 0x10)) { /* Check the LED_0 */
+					/* Try to turn ON LED_0 after gray blinking */
 					reg->U1BC_LEDConfigure |= 0x10;
-					pHwData->LED_Blinking = 1;	//Start blinking
+					pHwData->LED_Blinking = 1; /* Start blinking */
 					TimeInterval = 50;
 				}
 			} else {
-				if (reg->U1BC_LEDConfigure & 0x10)	// Check the LED_0
-				{
+				if (reg->U1BC_LEDConfigure & 0x10) { /* Check the LED_0 */
 					reg->U1BC_LEDConfigure &= ~0x10;
 					Wb35Reg_Write(pHwData, 0x03bc,
 						      reg->U1BC_LEDConfigure);
@@ -611,7 +592,7 @@ static void hal_led_control(unsigned long data)
 			break;
 		}
 
-		//20060828.1 Active send null packet to avoid AP disconnect
+		/* Active send null packet to avoid AP disconnect */
 		if (pHwData->LED_LinkOn) {
 			pHwData->NullPacketCount += TimeInterval;
 			if (pHwData->NullPacketCount >=
@@ -622,7 +603,7 @@ static void hal_led_control(unsigned long data)
 	}
 
 	pHwData->time_count += TimeInterval;
-	Wb35Tx_CurrentTime(adapter, pHwData->time_count);	// 20060928 add
+	Wb35Tx_CurrentTime(adapter, pHwData->time_count);
 	pHwData->LEDTimer.expires = jiffies + msecs_to_jiffies(TimeInterval);
 	add_timer(&pHwData->LEDTimer);
 }
@@ -654,7 +635,7 @@ static int hal_init_hardware(struct ieee80211_hw *hw)
 	SoftwareSet = hal_software_set(pHwData);
 
 #ifdef Vendor2
-	// Try to make sure the EEPROM contain
+	/* Try to make sure the EEPROM contain */
 	SoftwareSet >>= 8;
 	if (SoftwareSet != 0x82)
 		return false;

From 5813b6243cf02b89c6e6a6a8debc10477e5ce3a8 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 21:27:42 +0200
Subject: [PATCH 0995/3638] Staging: wlan-ng: fix spaces coding style issue in
 p80211conv.c

This is a patch to the p80211conv.c file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools, like
	spaces required around that '&' (ctx:VxV)

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/p80211conv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/p80211conv.c b/drivers/staging/wlan-ng/p80211conv.c
index a1605fbc809..71c3595fe83 100644
--- a/drivers/staging/wlan-ng/p80211conv.c
+++ b/drivers/staging/wlan-ng/p80211conv.c
@@ -208,7 +208,7 @@ int skb_ether_to_p80211(wlandevice_t *wlandev, u32 ethconv,
 		p80211_wep->data = kmalloc(skb->len, GFP_ATOMIC);
 		foo = wep_encrypt(wlandev, skb->data, p80211_wep->data,
 				  skb->len,
-				  (wlandev->hostwep &HOSTWEP_DEFAULTKEY_MASK),
+				  (wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK),
 				  p80211_wep->iv, p80211_wep->icv);
 		if (foo) {
 			printk(KERN_WARNING

From 4ffab688827361bcdaca6ac83bbda195c53bd098 Mon Sep 17 00:00:00 2001
From: Edgardo Hames <ehames@gmail.com>
Date: Mon, 15 Mar 2010 23:00:40 -0300
Subject: [PATCH 0996/3638] Staging: wlan-ng: rework code style after feedback

This patch includes the feedback received from Richard Kennedy.

Signed-off-by: Edgardo Hames <ehames@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/hfa384x_usb.c | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 2400242e2d8..a41db5dc8c7 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -2612,19 +2612,18 @@ int hfa384x_drvr_start(hfa384x_t *hw)
 	if (result1 != 0) {
 		if (result2 != 0) {
 			printk(KERN_ERR
-				"cmd_initialize() failed on two attempts,"
-				" results %d and %d\n", result1, result2);
+				"cmd_initialize() failed on two attempts, results %d and %d\n",
+				result1, result2);
 			usb_kill_urb(&hw->rx_urb);
 			goto done;
 		} else {
 			pr_debug("First cmd_initialize() failed (result %d),\n",
 				 result1);
-			pr_debug("but second attempt succeeded."
-				 " All should be ok\n");
+			pr_debug("but second attempt succeeded. All should be ok\n");
 		}
 	} else if (result2 != 0) {
-		printk(KERN_WARNING "First cmd_initialize() succeeded,"
-			" but second attempt failed (result=%d)\n", result2);
+		printk(KERN_WARNING "First cmd_initialize() succeeded, but second attempt failed (result=%d)\n",
+			result2);
 		printk(KERN_WARNING
 		       "Most likely the card will be functional\n");
 		goto done;
@@ -3382,9 +3381,7 @@ retry:
 			 * our request has been acknowledged. Odd,
 			 * but our OUT URB is still alive...
 			 */
-			pr_debug("Causality violation: "
-				 "please reboot Universe, or email "
-				 "linux-wlan-devel@lists.linux-wlan.com\n");
+			pr_debug("Causality violation: please reboot Universe\n");
 			ctlx->state = CTLX_RESP_COMPLETE;
 			break;
 
@@ -3848,8 +3845,8 @@ retry:
 
 		default:
 			/* This is NOT a valid CTLX "success" state! */
-			printk(KERN_ERR "Illegal CTLX[%d]"
-				" success state(%s, %d) in OUT URB\n",
+			printk(KERN_ERR
+				"Illegal CTLX[%d] success state(%s, %d) in OUT URB\n",
 				le16_to_cpu(ctlx->outbuf.type),
 				ctlxstr(ctlx->state), urb->status);
 			break;

From 9d3b3bb0b5807b9305e8c9e2688603f785ead0cd Mon Sep 17 00:00:00 2001
From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Wed, 17 Mar 2010 14:40:55 +0000
Subject: [PATCH 0997/3638] Staging: wlan-ng: tidy up iw_handler

Use array initialisation technique copied from ipw2200.c.

This should always get the function pointers in the correct place,
without the needed for endless counting, skipping blanks etc.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/p80211wext.c | 100 ++++++++++++---------------
 1 file changed, 43 insertions(+), 57 deletions(-)

diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c
index dc72661f066..936be55a5ff 100644
--- a/drivers/staging/wlan-ng/p80211wext.c
+++ b/drivers/staging/wlan-ng/p80211wext.c
@@ -1680,64 +1680,50 @@ static int p80211_wext_get_iwauth(struct net_device *dev,
 	return result;
 }
 
-static iw_handler p80211wext_handlers[] = {
-	(iw_handler) p80211wext_siwcommit,	/* SIOCSIWCOMMIT */
-	(iw_handler) p80211wext_giwname,	/* SIOCGIWNAME */
-	(iw_handler) NULL,	/* SIOCSIWNWID */
-	(iw_handler) NULL,	/* SIOCGIWNWID */
-	(iw_handler) p80211wext_siwfreq,	/* SIOCSIWFREQ */
-	(iw_handler) p80211wext_giwfreq,	/* SIOCGIWFREQ */
-	(iw_handler) p80211wext_siwmode,	/* SIOCSIWMODE */
-	(iw_handler) p80211wext_giwmode,	/* SIOCGIWMODE */
-	(iw_handler) NULL,	/* SIOCSIWSENS */
-	(iw_handler) NULL,	/* SIOCGIWSENS */
-	(iw_handler) NULL,	/* not used *//* SIOCSIWRANGE */
-	(iw_handler) p80211wext_giwrange,	/* SIOCGIWRANGE */
-	(iw_handler) NULL,	/* not used *//* SIOCSIWPRIV */
-	(iw_handler) NULL,	/* kernel code *//* SIOCGIWPRIV */
-	(iw_handler) NULL,	/* not used *//* SIOCSIWSTATS */
-	(iw_handler) NULL,	/* kernel code *//* SIOCGIWSTATS */
-	(iw_handler) p80211wext_siwspy,	/* SIOCSIWSPY */
-	(iw_handler) p80211wext_giwspy,	/* SIOCGIWSPY */
-	(iw_handler) NULL,	/* -- hole -- */
-	(iw_handler) NULL,	/* -- hole -- */
-	(iw_handler) NULL,	/* SIOCSIWAP */
-	(iw_handler) p80211wext_giwap,	/* SIOCGIWAP */
-	(iw_handler) NULL,	/* -- hole -- */
-	(iw_handler) NULL,	/* SIOCGIWAPLIST */
-	(iw_handler) p80211wext_siwscan,	/* SIOCSIWSCAN */
-	(iw_handler) p80211wext_giwscan,	/* SIOCGIWSCAN */
-	(iw_handler) p80211wext_siwessid,	/* SIOCSIWESSID */
-	(iw_handler) p80211wext_giwessid,	/* SIOCGIWESSID */
-	(iw_handler) NULL,	/* SIOCSIWNICKN */
-	(iw_handler) p80211wext_giwessid,	/* SIOCGIWNICKN */
-	(iw_handler) NULL,	/* -- hole -- */
-	(iw_handler) NULL,	/* -- hole -- */
-	(iw_handler) NULL,	/* SIOCSIWRATE */
-	(iw_handler) p80211wext_giwrate,	/* SIOCGIWRATE */
-	(iw_handler) p80211wext_siwrts,	/* SIOCSIWRTS */
-	(iw_handler) p80211wext_giwrts,	/* SIOCGIWRTS */
-	(iw_handler) p80211wext_siwfrag,	/* SIOCSIWFRAG */
-	(iw_handler) p80211wext_giwfrag,	/* SIOCGIWFRAG */
-	(iw_handler) p80211wext_siwtxpow,	/* SIOCSIWTXPOW */
-	(iw_handler) p80211wext_giwtxpow,	/* SIOCGIWTXPOW */
-	(iw_handler) p80211wext_siwretry,	/* SIOCSIWRETRY */
-	(iw_handler) p80211wext_giwretry,	/* SIOCGIWRETRY */
-	(iw_handler) p80211wext_siwencode,	/* SIOCSIWENCODE */
-	(iw_handler) p80211wext_giwencode,	/* SIOCGIWENCODE */
-	(iw_handler) NULL,	/* SIOCSIWPOWER */
-	(iw_handler) NULL,	/* SIOCGIWPOWER */
-/* WPA operations */
-	(iw_handler) NULL,	/* -- hole -- */
-	(iw_handler) NULL,	/* -- hole -- */
-	(iw_handler) NULL,	/* SIOCSIWGENIE      set generic IE */
-	(iw_handler) NULL,	/* SIOCGIWGENIE      get generic IE */
-	(iw_handler) p80211_wext_set_iwauth,	/* SIOCSIWAUTH     set authentication mode params */
-	(iw_handler) p80211_wext_get_iwauth,	/* SIOCGIWAUTH     get authentication mode params */
+#define IW_IOCTL(x) [(x)-SIOCSIWCOMMIT]
 
-	(iw_handler) p80211wext_set_encodeext,	/* SIOCSIWENCODEEXT  set encoding token & mode */
-	(iw_handler) p80211wext_get_encodeext,	/* SIOCGIWENCODEEXT  get encoding token & mode */
-	(iw_handler) NULL,	/* SIOCSIWPMKSA      PMKSA cache operation */
+static iw_handler p80211wext_handlers[] = {
+	IW_IOCTL(SIOCSIWCOMMIT) = (iw_handler) p80211wext_siwcommit,
+	IW_IOCTL(SIOCGIWNAME) = (iw_handler) p80211wext_giwname,
+/* SIOCSIWNWID,SIOCGIWNWID */
+	IW_IOCTL(SIOCSIWFREQ) = (iw_handler) p80211wext_siwfreq,
+	IW_IOCTL(SIOCGIWFREQ) = (iw_handler) p80211wext_giwfreq,
+	IW_IOCTL(SIOCSIWMODE) = (iw_handler) p80211wext_siwmode,
+	IW_IOCTL(SIOCGIWMODE) = (iw_handler) p80211wext_giwmode,
+/* SIOCSIWSENS,SIOCGIWSENS,SIOCSIWRANGE */
+	IW_IOCTL(SIOCGIWRANGE) = (iw_handler) p80211wext_giwrange,
+/* SIOCSIWPRIV,SIOCGIWPRIV,SIOCSIWSTATS,SIOCGIWSTATS */
+	IW_IOCTL(SIOCSIWSPY) = (iw_handler) p80211wext_siwspy,
+	IW_IOCTL(SIOCGIWSPY) = (iw_handler) p80211wext_giwspy,
+/* SIOCSIWAP */
+	IW_IOCTL(SIOCGIWAP) = (iw_handler) p80211wext_giwap,
+/* SIOCGIWAPLIST */
+	IW_IOCTL(SIOCSIWSCAN) = (iw_handler) p80211wext_siwscan,
+	IW_IOCTL(SIOCGIWSCAN) = (iw_handler) p80211wext_giwscan,
+	IW_IOCTL(SIOCSIWESSID) = (iw_handler) p80211wext_siwessid,
+	IW_IOCTL(SIOCGIWESSID) = (iw_handler) p80211wext_giwessid,
+/* SIOCSIWNICKN */
+	IW_IOCTL(SIOCGIWNICKN) = (iw_handler) p80211wext_giwessid,
+/* SIOCSIWRATE */
+	IW_IOCTL(SIOCGIWRATE) = (iw_handler) p80211wext_giwrate,
+	IW_IOCTL(SIOCSIWRTS) = (iw_handler) p80211wext_siwrts,
+	IW_IOCTL(SIOCGIWRTS) = (iw_handler) p80211wext_giwrts,
+	IW_IOCTL(SIOCSIWFRAG) = (iw_handler) p80211wext_siwfrag,
+	IW_IOCTL(SIOCGIWFRAG) = (iw_handler) p80211wext_giwfrag,
+	IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) p80211wext_siwtxpow,
+	IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) p80211wext_giwtxpow,
+	IW_IOCTL(SIOCSIWRETRY) = (iw_handler) p80211wext_siwretry,
+	IW_IOCTL(SIOCGIWRETRY) = (iw_handler) p80211wext_giwretry,
+	IW_IOCTL(SIOCSIWENCODE) = (iw_handler) p80211wext_siwencode,
+	IW_IOCTL(SIOCGIWENCODE) = (iw_handler) p80211wext_giwencode,
+/* SIOCSIWPOWER,SIOCGIWPOWER */
+/* WPA operations */
+/* SIOCSIWGENIE,SIOCGIWGENIE generic IE */
+	IW_IOCTL(SIOCSIWAUTH) = (iw_handler) p80211_wext_set_iwauth, /*set authentication mode params */
+	IW_IOCTL(SIOCGIWAUTH) = (iw_handler) p80211_wext_get_iwauth, /*get authentication mode params */
+	IW_IOCTL(SIOCSIWENCODEEXT) = (iw_handler) p80211wext_set_encodeext, /*set encoding token & mode */
+	IW_IOCTL(SIOCGIWENCODEEXT) = (iw_handler) p80211wext_get_encodeext, /*get encoding token & mode */
+/* SIOCSIWPMKSA      PMKSA cache operation */
 };
 
 struct iw_handler_def p80211wext_handler_def = {

From 044bc96bef5e78d4bb9b5c7ad12814afafb901cf Mon Sep 17 00:00:00 2001
From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Wed, 17 Mar 2010 14:40:56 +0000
Subject: [PATCH 0998/3638] Staging: wlan-ng: fix p80211wext_mhz_to_channel for
 channel 14

Channel 14 is 2484 Mhz (cf p80211wext_channel_to_mhz) so this patch
corrects what seems to be just a typo.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/p80211wext.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c
index 936be55a5ff..e1b54094d95 100644
--- a/drivers/staging/wlan-ng/p80211wext.c
+++ b/drivers/staging/wlan-ng/p80211wext.c
@@ -73,7 +73,7 @@ static u8 p80211_mhz_to_channel(u16 mhz)
 	if (mhz >= 5000)
 		return (mhz - 5000) / 5;
 
-	if (mhz == 2482)
+	if (mhz == 2484)
 		return 14;
 
 	if (mhz >= 2407)

From 51b2a028699c5a1f05e130d2e4d0773332f0f45e Mon Sep 17 00:00:00 2001
From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Wed, 17 Mar 2010 14:40:57 +0000
Subject: [PATCH 0999/3638] Staging: wlan-ng: refactor p80211wext.c to reduce
 text size.

Refactor the wext interface to reduce lines of code & module text size.

- add a helper function p80211wext_getmib
- rename p80211wext_dorequest to p80211wext_setmib
- refactor wext to call the get/set mib helpers and so reduce repeated code.

size reported text reduction :-
   text	   data	    bss	    dec	    hex	filename
   8343	    720	      0	   9063	   2367	p80211wext.o.patch
   9907	    720	      0	  10631	   2987	p80211wext.o.orig

Tested on x86_32 laptop, everything works correctly using NetworkManager,
and iwconfig & iwlist return sensible results when reading from the card.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/p80211wext.c | 298 +++++++++++----------------
 1 file changed, 116 insertions(+), 182 deletions(-)

diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c
index e1b54094d95..387194d4a6e 100644
--- a/drivers/staging/wlan-ng/p80211wext.c
+++ b/drivers/staging/wlan-ng/p80211wext.c
@@ -125,22 +125,42 @@ static int qual_as_percent(int snr)
 	return 100;
 }
 
-static int p80211wext_dorequest(wlandevice_t *wlandev, u32 did, u32 data)
+static int p80211wext_setmib(wlandevice_t *wlandev, u32 did, u32 data)
 {
 	p80211msg_dot11req_mibset_t msg;
-	p80211item_uint32_t mibitem;
+	p80211item_uint32_t *mibitem =
+		(p80211item_uint32_t *)&msg.mibattribute.data;
 	int result;
 
 	msg.msgcode = DIDmsg_dot11req_mibset;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did = did;
-	mibitem.data = data;
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	memset(mibitem, 0, sizeof(*mibitem));
+	mibitem->did = did;
+	mibitem->data = data;
 	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	return result;
 }
 
+/*
+ * get a 32 bit mib value
+ */
+static int p80211wext_getmib(wlandevice_t *wlandev, u32 did, u32 *data)
+{
+	p80211msg_dot11req_mibset_t msg;
+	p80211item_uint32_t *mibitem =
+		(p80211item_uint32_t *)&msg.mibattribute.data;
+	int result;
+
+	msg.msgcode = DIDmsg_dot11req_mibget;
+	memset(mibitem, 0, sizeof(*mibitem));
+	mibitem->did = did;
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
+	if (!result)
+		*data = mibitem->data;
+
+	return result;
+}
+
 static int p80211wext_autojoin(wlandevice_t *wlandev)
 {
 	p80211msg_lnxreq_autojoin_t msg;
@@ -262,32 +282,26 @@ static int p80211wext_giwfreq(netdevice_t *dev,
 			      struct iw_freq *freq, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	unsigned int value;
 
-	msg.msgcode = DIDmsg_dot11req_mibget;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel;
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
-
+	result = p80211wext_getmib(wlandev,
+				   DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
+				   &value);
 	if (result) {
 		err = -EFAULT;
 		goto exit;
 	}
 
-	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
-
-	if (mibitem.data > NUM_CHANNELS) {
+	if (value > NUM_CHANNELS) {
 		err = -EFAULT;
 		goto exit;
 	}
 
 	/* convert into frequency instead of a channel */
 	freq->e = 1;
-	freq->m = p80211_channel_to_mhz(mibitem.data, 0) * 100000;
+	freq->m = p80211_channel_to_mhz(value, 0) * 100000;
 
 exit:
 	return err;
@@ -298,28 +312,23 @@ static int p80211wext_siwfreq(netdevice_t *dev,
 			      struct iw_freq *freq, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	unsigned int value;
 
 	if (!wlan_wext_write) {
-		err = (-EOPNOTSUPP);
+		err = -EOPNOTSUPP;
 		goto exit;
 	}
 
-	msg.msgcode = DIDmsg_dot11req_mibset;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel;
-	mibitem.status = P80211ENUM_msgitem_status_data_ok;
-
 	if ((freq->e == 0) && (freq->m <= 1000))
-		mibitem.data = freq->m;
+		value = freq->m;
 	else
-		mibitem.data = p80211_mhz_to_channel(freq->m);
+		value = p80211_mhz_to_channel(freq->m);
 
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
+	result = p80211wext_setmib(wlandev,
+			     DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
+			     value);
 
 	if (result) {
 		err = -EFAULT;
@@ -359,13 +368,11 @@ static int p80211wext_siwmode(netdevice_t *dev,
 			      __u32 *mode, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
 
 	if (!wlan_wext_write) {
-		err = (-EOPNOTSUPP);
+		err = -EOPNOTSUPP;
 		goto exit;
 	}
 
@@ -396,16 +403,11 @@ static int p80211wext_siwmode(netdevice_t *dev,
 	}
 
 	/* Set Operation mode to the PORT TYPE RID */
-	msg.msgcode = DIDmsg_dot11req_mibset;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did = DIDmib_p2_p2Static_p2CnfPortType;
-	mibitem.data = (*mode == IW_MODE_ADHOC) ? 0 : 1;
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
-
+	result = p80211wext_setmib(wlandev,
+				DIDmib_p2_p2Static_p2CnfPortType,
+				(*mode == IW_MODE_ADHOC) ? 0 : 1);
 	if (result)
 		err = -EFAULT;
-
 exit:
 	return err;
 }
@@ -562,9 +564,9 @@ static int p80211wext_siwencode(netdevice_t *dev,
 		/* Set current key number only if no keys are given */
 		if (erq->flags & IW_ENCODE_NOKEY) {
 			result =
-			    p80211wext_dorequest(wlandev,
-						 DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
-						 i);
+				p80211wext_setmib(wlandev,
+						  DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
+						  i);
 
 			if (result) {
 				err = -EFAULT;
@@ -586,7 +588,6 @@ static int p80211wext_siwencode(netdevice_t *dev,
 		 -------------------------------------------------------------*/
 
 		if (erq->length > 0) {
-
 			/* copy the key from the driver cache as the keys are read-only MIBs */
 			wlandev->wep_keylens[i] = erq->length;
 			memcpy(wlandev->wep_keys[i], key, erq->length);
@@ -636,12 +637,12 @@ static int p80211wext_siwencode(netdevice_t *dev,
 	/* Check the PrivacyInvoked flag */
 	if (erq->flags & IW_ENCODE_DISABLED) {
 		result =
-		    p80211wext_dorequest(wlandev,
+		    p80211wext_setmib(wlandev,
 					 DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
 					 P80211ENUM_truth_false);
 	} else {
 		result =
-		    p80211wext_dorequest(wlandev,
+		    p80211wext_setmib(wlandev,
 					 DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
 					 P80211ENUM_truth_true);
 	}
@@ -660,12 +661,12 @@ static int p80211wext_siwencode(netdevice_t *dev,
 	 */
 	if (erq->flags & IW_ENCODE_RESTRICTED) {
 		result =
-		    p80211wext_dorequest(wlandev,
+		    p80211wext_setmib(wlandev,
 					 DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
 					 P80211ENUM_truth_true);
 	} else if (erq->flags & IW_ENCODE_OPEN) {
 		result =
-		    p80211wext_dorequest(wlandev,
+		    p80211wext_setmib(wlandev,
 					 DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
 					 P80211ENUM_truth_false);
 	}
@@ -767,24 +768,16 @@ static int p80211wext_giwrate(netdevice_t *dev,
 			      struct iw_param *rrq, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	unsigned int value;
 
-	msg.msgcode = DIDmsg_dot11req_mibget;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did = DIDmib_p2_p2MAC_p2CurrentTxRate;
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
-
+	result = p80211wext_getmib(wlandev, DIDmib_p2_p2MAC_p2CurrentTxRate, &value);
 	if (result) {
 		err = -EFAULT;
 		goto exit;
 	}
 
-	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
-
 	rrq->fixed = 0;		/* can it change? */
 	rrq->disabled = 0;
 	rrq->value = 0;
@@ -794,7 +787,7 @@ static int p80211wext_giwrate(netdevice_t *dev,
 #define		HFA384x_RATEBIT_5dot5			((u16)4)
 #define		HFA384x_RATEBIT_11			((u16)8)
 
-	switch (mibitem.data) {
+	switch (value) {
 	case HFA384x_RATEBIT_1:
 		rrq->value = 1000000;
 		break;
@@ -819,25 +812,19 @@ static int p80211wext_giwrts(netdevice_t *dev,
 			     struct iw_param *rts, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	unsigned int value;
 
-	msg.msgcode = DIDmsg_dot11req_mibget;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold;
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
-
+	result = p80211wext_getmib(wlandev,
+				   DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
+				   &value);
 	if (result) {
 		err = -EFAULT;
 		goto exit;
 	}
 
-	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
-
-	rts->value = mibitem.data;
+	rts->value = value;
 	rts->disabled = (rts->value == 2347);
 	rts->fixed = 1;
 
@@ -850,27 +837,23 @@ static int p80211wext_siwrts(netdevice_t *dev,
 			     struct iw_param *rts, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	unsigned int value;
 
 	if (!wlan_wext_write) {
-		err = (-EOPNOTSUPP);
+		err = -EOPNOTSUPP;
 		goto exit;
 	}
 
-	msg.msgcode = DIDmsg_dot11req_mibget;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold;
 	if (rts->disabled)
-		mibitem.data = 2347;
+		value = 2347;
 	else
-		mibitem.data = rts->value;
-
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
+		value = rts->value;
 
+	result = p80211wext_setmib(wlandev,
+				   DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
+				   value);
 	if (result) {
 		err = -EFAULT;
 		goto exit;
@@ -885,26 +868,19 @@ static int p80211wext_giwfrag(netdevice_t *dev,
 			      struct iw_param *frag, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	unsigned int value;
 
-	msg.msgcode = DIDmsg_dot11req_mibget;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did =
-	    DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold;
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
-
+	result = p80211wext_getmib(wlandev,
+				   DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
+				   &value);
 	if (result) {
 		err = -EFAULT;
 		goto exit;
 	}
 
-	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
-
-	frag->value = mibitem.data;
+	frag->value = value;
 	frag->disabled = (frag->value == 2346);
 	frag->fixed = 1;
 
@@ -917,28 +893,23 @@ static int p80211wext_siwfrag(netdevice_t *dev,
 			      struct iw_param *frag, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	int value;
 
 	if (!wlan_wext_write) {
 		err = (-EOPNOTSUPP);
 		goto exit;
 	}
 
-	msg.msgcode = DIDmsg_dot11req_mibset;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did =
-	    DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold;
-
 	if (frag->disabled)
-		mibitem.data = 2346;
+		value = 2346;
 	else
-		mibitem.data = frag->value;
+		value = frag->value;
 
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
+	result = p80211wext_setmib(wlandev,
+		   DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
+				      value);
 
 	if (result) {
 		err = -EFAULT;
@@ -962,56 +933,40 @@ static int p80211wext_giwretry(netdevice_t *dev,
 			       struct iw_param *rrq, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
 	u16 shortretry, longretry, lifetime;
+	unsigned int value;
 
-	msg.msgcode = DIDmsg_dot11req_mibget;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit;
-
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
-
+	result = p80211wext_getmib(wlandev,
+				   DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit,
+				   &value);
 	if (result) {
 		err = -EFAULT;
 		goto exit;
 	}
 
-	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
-
-	shortretry = mibitem.data;
-
-	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit;
-
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
+	shortretry = value;
 
+	result = p80211wext_getmib(wlandev,
+				   DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit,
+				   &value);
 	if (result) {
 		err = -EFAULT;
 		goto exit;
 	}
 
-	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
-
-	longretry = mibitem.data;
-
-	mibitem.did =
-	    DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime;
-
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
+	longretry = value;
 
+	result = p80211wext_getmib(wlandev,
+				   DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime,
+				   &value);
 	if (result) {
 		err = -EFAULT;
 		goto exit;
 	}
 
-	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
-
-	lifetime = mibitem.data;
+	lifetime = value;
 
 	rrq->disabled = 0;
 
@@ -1044,8 +999,7 @@ static int p80211wext_siwretry(netdevice_t *dev,
 	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
-
-	memset(&mibitem, 0, sizeof(mibitem));
+	unsigned int value;
 
 	if (!wlan_wext_write) {
 		err = (-EOPNOTSUPP);
@@ -1060,26 +1014,20 @@ static int p80211wext_siwretry(netdevice_t *dev,
 	msg.msgcode = DIDmsg_dot11req_mibset;
 
 	if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
-		mibitem.did =
-		    DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime;
-		mibitem.data = rrq->value /= 1024;
-
-		memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-		result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
+		value = rrq->value /= 1024;
+		result = p80211wext_setmib(wlandev,
+					   DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime,
+					   value);
 		if (result) {
 			err = -EFAULT;
 			goto exit;
 		}
 	} else {
 		if (rrq->flags & IW_RETRY_LONG) {
-			mibitem.did =
-			    DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit;
-			mibitem.data = rrq->value;
-
-			memcpy(&msg.mibattribute.data, &mibitem,
-			       sizeof(mibitem));
-			result = p80211req_dorequest(wlandev, (u8 *) &msg);
+			result = p80211wext_setmib(wlandev,
+						   DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit,
+						   rrq->value);
 
 			if (result) {
 				err = -EFAULT;
@@ -1088,13 +1036,9 @@ static int p80211wext_siwretry(netdevice_t *dev,
 		}
 
 		if (rrq->flags & IW_RETRY_SHORT) {
-			mibitem.did =
-			    DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit;
-			mibitem.data = rrq->value;
-
-			memcpy(&msg.mibattribute.data, &mibitem,
-			       sizeof(mibitem));
-			result = p80211req_dorequest(wlandev, (u8 *) &msg);
+			result = p80211wext_setmib(wlandev,
+						   DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit,
+						   rrq->value);
 
 			if (result) {
 				err = -EFAULT;
@@ -1117,22 +1061,20 @@ static int p80211wext_siwtxpow(netdevice_t *dev,
 	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	unsigned int value;
 
 	if (!wlan_wext_write) {
 		err = (-EOPNOTSUPP);
 		goto exit;
 	}
 
-	msg.msgcode = DIDmsg_dot11req_mibset;
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did =
-	    DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel;
 	if (rrq->fixed == 0)
-		mibitem.data = 30;
+		value = 30;
 	else
-		mibitem.data = rrq->value;
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
+		value = rrq->value;
+	result = p80211wext_setmib(wlandev,
+				   DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel,
+				   value);
 
 	if (result) {
 		err = -EFAULT;
@@ -1148,33 +1090,25 @@ static int p80211wext_giwtxpow(netdevice_t *dev,
 			       struct iw_param *rrq, char *extra)
 {
 	wlandevice_t *wlandev = dev->ml_priv;
-	p80211item_uint32_t mibitem;
-	p80211msg_dot11req_mibset_t msg;
 	int result;
 	int err = 0;
+	unsigned int value;
 
-	msg.msgcode = DIDmsg_dot11req_mibget;
-
-	memset(&mibitem, 0, sizeof(mibitem));
-	mibitem.did =
-	    DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel;
-
-	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) &msg);
+	result = p80211wext_getmib(wlandev,
+				   DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel,
+				   &value);
 
 	if (result) {
 		err = -EFAULT;
 		goto exit;
 	}
 
-	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
-
 	/* XXX handle OFF by setting disabled = 1; */
 
 	rrq->flags = 0;		/* IW_TXPOW_DBM; */
 	rrq->disabled = 0;
 	rrq->fixed = 0;
-	rrq->value = mibitem.data;
+	rrq->value = value;
 
 exit:
 	return err;
@@ -1479,7 +1413,7 @@ static int p80211wext_set_encodeext(struct net_device *dev,
 		}
 		pr_debug("setting default key (%d)\n", idx);
 		result =
-		    p80211wext_dorequest(wlandev,
+		    p80211wext_setmib(wlandev,
 					 DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
 					 idx);
 		if (result)
@@ -1599,12 +1533,12 @@ static int p80211_wext_set_iwauth(struct net_device *dev,
 		pr_debug("drop_unencrypted %d\n", param->value);
 		if (param->value)
 			result =
-			    p80211wext_dorequest(wlandev,
+			    p80211wext_setmib(wlandev,
 						 DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
 						 P80211ENUM_truth_true);
 		else
 			result =
-			    p80211wext_dorequest(wlandev,
+			    p80211wext_setmib(wlandev,
 						 DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
 						 P80211ENUM_truth_false);
 		break;
@@ -1613,12 +1547,12 @@ static int p80211_wext_set_iwauth(struct net_device *dev,
 		pr_debug("privacy invoked %d\n", param->value);
 		if (param->value)
 			result =
-			    p80211wext_dorequest(wlandev,
+			    p80211wext_setmib(wlandev,
 						 DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
 						 P80211ENUM_truth_true);
 		else
 			result =
-			    p80211wext_dorequest(wlandev,
+			    p80211wext_setmib(wlandev,
 						 DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
 						 P80211ENUM_truth_false);
 

From b93634c4e38e3fbe476b53b1e68ec391ad0ecc86 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 22:46:24 +0200
Subject: [PATCH 1000/3638] Staging: wlags49_h2: fix spaces, macros and
 comments coding style issue in debug.h

This is a patch to the debug.h file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools, like
	spaces required around that '&' (ctx:VxV)
and
	ERROR: Invalid UTF-8, patch and commit message should be encoded in UTF-8
and
	do not use C99 // comments
and
	Macros with complex values should be enclosed in parenthesis

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/debug.h | 104 ++++++++++++++++-------------
 1 file changed, 59 insertions(+), 45 deletions(-)

diff --git a/drivers/staging/wlags49_h2/debug.h b/drivers/staging/wlags49_h2/debug.h
index 0b52e17b301..2c3dd140a35 100644
--- a/drivers/staging/wlags49_h2/debug.h
+++ b/drivers/staging/wlags49_h2/debug.h
@@ -22,7 +22,7 @@
  * software indicates your acceptance of these terms and conditions.  If you do
  * not agree with these terms and conditions, do not use the software.
  *
- * Copyright � 2003 Agere Systems Inc.
+ * Copyright (c) 2003 Agere Systems Inc.
  * All rights reserved.
  *
  * Redistribution and use in source or binary forms, with or without
@@ -70,7 +70,7 @@
 #else
 #undef	DBG
 #define DBG 1
-#endif //DBG
+#endif /* DBG */
 
 
 
@@ -84,7 +84,7 @@
 #ifndef DBG_LVL
 #define DBG_LVL 5			/* yields nothing via init_module,
 							   original value of 5 yields DBG_TRACE_ON and DBG_VERBOSE_ON */
-#endif  // DBG_LVL
+#endif  /*  DBG_LVL*/
 
 
 #define DBG_ERROR_ON        0x00000001L
@@ -100,80 +100,94 @@
 
 #define DBG_DEFAULTS        (DBG_ERROR_ON | DBG_WARNING_ON | DBG_BREAK_ON)
 
-#define DBG_FLAGS(A)        (A)->DebugFlag
-#define DBG_NAME(A)         (A)->dbgName
-#define DBG_LEVEL(A)        (A)->dbgLevel
+#define DBG_FLAGS(A)        ((A)->DebugFlag)
+#define DBG_NAME(A)         ((A)->dbgName)
+#define DBG_LEVEL(A)        ((A)->dbgLevel)
 
 
 #ifndef PRINTK
 #   define PRINTK(S...)     printk(S)
-#endif // PRINTK
+#endif /* PRINTK */
 
 
 #ifndef DBG_PRINT
 #   define DBG_PRINT(S...)  PRINTK(KERN_DEBUG S)
-#endif // DBG_PRINT
+#endif /* DBG_PRINT */
 
 
 #ifndef DBG_PRINTC
 #   define DBG_PRINTC(S...) PRINTK(S)
-#endif // DBG_PRINTC
+#endif /* DBG_PRINTC */
 
 
 #ifndef DBG_TRAP
 #   define DBG_TRAP         {}
-#endif // DBG_TRAP
+#endif /* DBG_TRAP */
 
 
 #define _ENTER_STR          ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
 #define _LEAVE_STR          "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
 
 
-#define _DBG_ENTER(A)       DBG_PRINT("%s:%.*s:%s\n",DBG_NAME(A),++DBG_LEVEL(A),_ENTER_STR,__FUNC__)
-#define _DBG_LEAVE(A)       DBG_PRINT("%s:%.*s:%s\n",DBG_NAME(A),DBG_LEVEL(A)--,_LEAVE_STR,__FUNC__)
+#define _DBG_ENTER(A)       DBG_PRINT("%s:%.*s:%s\n", DBG_NAME(A), ++DBG_LEVEL(A), _ENTER_STR, __FUNC__)
+#define _DBG_LEAVE(A)       DBG_PRINT("%s:%.*s:%s\n", DBG_NAME(A), DBG_LEVEL(A)--, _LEAVE_STR, __FUNC__)
 
 
 #define DBG_FUNC(F)         static const char *__FUNC__ = F;
 
-#define DBG_ENTER(A)        {if (DBG_FLAGS(A) & DBG_TRACE_ON) _DBG_ENTER(A);}
+#define DBG_ENTER(A)        {if (DBG_FLAGS(A) & DBG_TRACE_ON) \
+				_DBG_ENTER(A); }
 
-#define DBG_LEAVE(A)        {if (DBG_FLAGS(A) & DBG_TRACE_ON) _DBG_LEAVE(A);}
+#define DBG_LEAVE(A)        {if (DBG_FLAGS(A) & DBG_TRACE_ON) \
+				 _DBG_LEAVE(A); }
 
-#define DBG_PARAM(A,N,F,S...)   {if (DBG_FLAGS(A) & DBG_PARAM_ON) \
-                                    DBG_PRINT("  %s -- "F"\n",N,S);}
+#define DBG_PARAM(A, N, F, S...)   {if (DBG_FLAGS(A) & DBG_PARAM_ON) \
+				DBG_PRINT("  %s -- "F"\n", N, S); }
 
 
-#define DBG_ERROR(A,S...)   {if (DBG_FLAGS(A) & DBG_ERROR_ON) \
-                                {DBG_PRINT("%s:ERROR:%s ",DBG_NAME(A),__FUNC__);DBG_PRINTC(S);DBG_TRAP;}}
+#define DBG_ERROR(A, S...)   {if (DBG_FLAGS(A) & DBG_ERROR_ON) {\
+				DBG_PRINT("%s:ERROR:%s ", DBG_NAME(A), __FUNC__);\
+				DBG_PRINTC(S); \
+				DBG_TRAP; \
+				} \
+				}
 
 
-#define DBG_WARNING(A,S...) {if (DBG_FLAGS(A) & DBG_WARNING_ON) \
-                                {DBG_PRINT("%s:WARNING:%s ",DBG_NAME(A),__FUNC__);DBG_PRINTC(S);}}
+#define DBG_WARNING(A, S...) {if (DBG_FLAGS(A) & DBG_WARNING_ON) {\
+				DBG_PRINT("%s:WARNING:%s ", DBG_NAME(A), __FUNC__);\
+				DBG_PRINTC(S); } }
 
 
-#define DBG_NOTICE(A,S...)  {if (DBG_FLAGS(A) & DBG_NOTICE_ON) \
-                                {DBG_PRINT("%s:NOTICE:%s ",DBG_NAME(A),__FUNC__);DBG_PRINTC(S);}}
+#define DBG_NOTICE(A, S...)  {if (DBG_FLAGS(A) & DBG_NOTICE_ON) {\
+				DBG_PRINT("%s:NOTICE:%s ", DBG_NAME(A), __FUNC__);\
+				DBG_PRINTC(S); \
+				} \
+				}
 
 
-#define DBG_TRACE(A,S...)   do {if (DBG_FLAGS(A) & DBG_TRACE_ON) \
-                                {DBG_PRINT("%s:%s ",DBG_NAME(A),__FUNC__);DBG_PRINTC(S);}} while (0)
+#define DBG_TRACE(A, S...)   do {if (DBG_FLAGS(A) & DBG_TRACE_ON) {\
+				DBG_PRINT("%s:%s ", DBG_NAME(A), __FUNC__);\
+				DBG_PRINTC(S); } } while (0)
 
 
-#define DBG_RX(A,S...)      {if (DBG_FLAGS(A) & DBG_RX_ON) \
-                                {DBG_PRINT(S);}}
+#define DBG_RX(A, S...)      {if (DBG_FLAGS(A) & DBG_RX_ON) {\
+				DBG_PRINT(S); } }
 
 
-#define DBG_TX(A,S...)      {if (DBG_FLAGS(A) & DBG_TX_ON) \
-                                {DBG_PRINT(S);}}
+#define DBG_TX(A, S...)      {if (DBG_FLAGS(A) & DBG_TX_ON) {\
+				DBG_PRINT(S); } }
 
-#define DBG_DS(A,S...)      {if (DBG_FLAGS(A) & DBG_DS_ON) \
-                                {DBG_PRINT(S);}}
+#define DBG_DS(A, S...)      {if (DBG_FLAGS(A) & DBG_DS_ON) {\
+				DBG_PRINT(S); } }
 
 
-#define DBG_ASSERT(C)       {if (!(C)) \
-                                {DBG_PRINT("ASSERT(%s) -- %s#%d (%s)\n", \
-                                    #C,__FILE__,__LINE__,__FUNC__); \
-                                DBG_TRAP;}}
+#define DBG_ASSERT(C)		{ \
+				if (!(C)) {\
+					DBG_PRINT("ASSERT(%s) -- %s#%d (%s)\n", \
+					#C, __FILE__, __LINE__, __FUNC__); \
+					DBG_TRAP; \
+					} \
+					}
 
 typedef struct {
     char           *dbgName;
@@ -183,7 +197,7 @@ typedef struct {
 
 
 /****************************************************************************/
-#else // DBG
+#else /* DBG */
 /****************************************************************************/
 
 #define DBG_DEFN
@@ -192,21 +206,21 @@ typedef struct {
 #define DBG_PRINT(S...)
 #define DBG_ENTER(A)
 #define DBG_LEAVE(A)
-#define DBG_PARAM(A,N,F,S...)
-#define DBG_ERROR(A,S...)
-#define DBG_WARNING(A,S...)
-#define DBG_NOTICE(A,S...)
-#define DBG_TRACE(A,S...)
-#define DBG_RX(A,S...)
-#define DBG_TX(A,S...)
-#define DBG_DS(A,S...)
+#define DBG_PARAM(A, N, F, S...)
+#define DBG_ERROR(A, S...)
+#define DBG_WARNING(A, S...)
+#define DBG_NOTICE(A, S...)
+#define DBG_TRACE(A, S...)
+#define DBG_RX(A, S...)
+#define DBG_TX(A, S...)
+#define DBG_DS(A, S...)
 #define DBG_ASSERT(C)
 
-#endif // DBG
+#endif /* DBG */
 /****************************************************************************/
 
 
 
 
-#endif // _DEBUG_H
+#endif /* _DEBUG_H */
 

From 0a13dfdffcef1e72cd4edf9bb9b03d8a3f5fea70 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Mon, 15 Mar 2010 23:29:02 +0200
Subject: [PATCH 1001/3638] Staging: wlags49_h2: fix comments coding style
 issue in ap_h2.c

This is a patch to the ap_h2.c file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools, like
	do not use C99 // comments

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/ap_h2.c | 70 +++++++++++++++---------------
 1 file changed, 35 insertions(+), 35 deletions(-)

diff --git a/drivers/staging/wlags49_h2/ap_h2.c b/drivers/staging/wlags49_h2/ap_h2.c
index f5123d2cb4c..e3114981389 100644
--- a/drivers/staging/wlags49_h2/ap_h2.c
+++ b/drivers/staging/wlags49_h2/ap_h2.c
@@ -25,10 +25,10 @@
  */
 
 
-#include "hcfcfg.h"				// to get hcf_16 etc defined as well as
-                                // possible settings which inluence mdd.h or dhf.h
-#include "mdd.h"   				//to get COMP_ID_STA etc defined
-#include "dhf.h"   				//used to be "fhfmem.h", to get memblock,plugrecord,
+#include "hcfcfg.h"				/* to get hcf_16 etc defined as well as */
+                                /* possible settings which inluence mdd.h or dhf.h */
+#include "mdd.h"   				/* to get COMP_ID_STA etc defined */
+#include "dhf.h"   				/* used to be "fhfmem.h", to get memblock,plugrecord, */
 
 static const hcf_8 fw_image_1_data[] = {
 	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -3241,56 +3241,56 @@ static const CFG_IDENTITY_STRCT fw_image_infoidentity[] = {
 		sizeof( CFG_IDENTITY_STRCT ) / sizeof(hcf_16) - 1,
 		CFG_FW_IDENTITY,
 		COMP_ID_FW_AP,
-		2,							//Variant
-		2,							//Major
-		36							//Minor
+		2,							/* Variant /
+		2,							/* Major */
+		36							/* Minor */
 	},
-	{ 0000, 0000, 0000, 0000, 0000, 0000 }		//endsentinel
+	{ 0000, 0000, 0000, 0000, 0000, 0000 }		/* endsentinel */
 };
 
 static const CFG_PROG_STRCT fw_image_code[] = {
 	{
 		8,
 		CFG_PROG,
-		CFG_PROG_VOLATILE,			// mode
-		0x0146,		// sizeof(fw_image_1_data),
-		0x00000060,					// Target address in NIC Memory
-		0x0000,						// CRC: yes/no	TYPE: primary/station/tertiary
+		CFG_PROG_VOLATILE,			/* mode */
+		0x0146,		/* sizeof(fw_image_1_data), */
+		0x00000060,					/* Target address in NIC Memory */
+		0x0000,						/* CRC: yes/no	TYPE: primary/station/tertiary */
 		(hcf_8 FAR   *) fw_image_1_data
 	},
 	{
 		8,
 		CFG_PROG,
-		CFG_PROG_VOLATILE,			// mode
-		0x1918,		// sizeof(fw_image_2_data),
-		0x00000C16,					// Target address in NIC Memory
-		0x0000,						// CRC: yes/no	TYPE: primary/station/tertiary
+		CFG_PROG_VOLATILE,			/* mode */
+		0x1918,		/* sizeof(fw_image_2_data), */
+		0x00000C16,					/* Target address in NIC Memory */
+		0x0000,						/* CRC: yes/no	TYPE: primary/station/tertiary */
 		(hcf_8 FAR   *) fw_image_2_data
 	},
 	{
 		8,
 		CFG_PROG,
-		CFG_PROG_VOLATILE,			// mode
-		0x01bc,		// sizeof(fw_image_3_data),
-		0x001E252E,					// Target address in NIC Memory
-		0x0000,						// CRC: yes/no	TYPE: primary/station/tertiary
+		CFG_PROG_VOLATILE,			/* mode */
+		0x01bc,		/* sizeof(fw_image_3_data), */
+		0x001E252E,					/* Target address in NIC Memory */
+		0x0000,						/* CRC: yes/no	TYPE: primary/station/tertiary */
 		(hcf_8 FAR   *) fw_image_3_data
 	},
 	{
 		8,
 		CFG_PROG,
-		CFG_PROG_VOLATILE,			// mode
-		0xab28,		// sizeof(fw_image_4_data),
-		0x001F4000,					// Target address in NIC Memory
-		0x0000,						// CRC: yes/no	TYPE: primary/station/tertiary
+		CFG_PROG_VOLATILE,			/* mode */
+		0xab28,		/* sizeof(fw_image_4_data), */
+		0x001F4000,					/* Target address in NIC Memory */
+		0x0000,						/* CRC: yes/no	TYPE: primary/station/tertiary */
 		(hcf_8 FAR   *) fw_image_4_data
 	},
 	{
 		5,
 		CFG_PROG,
-		CFG_PROG_STOP,				// mode
+		CFG_PROG_STOP,				/* mode*/
 		0000,
- 	0x000F1297,					// Start execution address
+ 	0x000F1297,					/* Start execution address */
 	},
 	{ 0000, 0000, 0000, 0000, 00000000, 0000, 00000000}
 };
@@ -3301,7 +3301,7 @@ static const CFG_RANGE20_STRCT fw_image_infocompat[] = {
 		COMP_ROLE_SUPL,
 		COMP_ID_APF,
 		{
-			{ 2, 2, 4 }  				//variant, bottom, top
+			{ 2, 2, 4 }  				/* variant, bottom, top */
 		}
 	},
 	{	3 + ((20 * sizeof(CFG_RANGE_SPEC_STRCT)) / sizeof(hcf_16)),
@@ -3309,9 +3309,9 @@ static const CFG_RANGE20_STRCT fw_image_infocompat[] = {
 		COMP_ROLE_ACT,
 		COMP_ID_MFI,
 		{
-			{ 4, 6, 7 }, 				//variant, bottom, top
-			{ 5, 6, 7 }, 				//variant, bottom, top
-			{ 6, 6, 7 }  				//variant, bottom, top
+			{ 4, 6, 7 }, 				/* variant, bottom, top */
+			{ 5, 6, 7 }, 				/* variant, bottom, top */
+			{ 6, 6, 7 }  				/* variant, bottom, top */
 		}
 	},
 	{	3 + ((20 * sizeof(CFG_RANGE_SPEC_STRCT)) / sizeof(hcf_16)),
@@ -3319,18 +3319,18 @@ static const CFG_RANGE20_STRCT fw_image_infocompat[] = {
 		COMP_ROLE_ACT,
 		COMP_ID_CFI,
 		{
-			{ 2, 1, 2 }  				//variant, bottom, top
+			{ 2, 1, 2 }  				/* variant, bottom, top */
 		}
 	},
-	{ 0000, 0000, 0000, 0000, { { 0000, 0000, 0000 } } }			//endsentinel
+	{ 0000, 0000, 0000, 0000, { { 0000, 0000, 0000 } } }			/* endsentinel */
 };
 
 memimage fw_image = {
-	"FUPU7D37dhfwci\001C",			//signature, <format number>, C/Bin type
+	"FUPU7D37dhfwci\001C",			/* signature, <format number>, C/Bin type */
 	(CFG_PROG_STRCT *) fw_image_code,
 	0x000F1297,
-	00000000,					//(dummy) pdaplug
-	00000000,					//(dummy) priplug
+	00000000,					/* (dummy) pdaplug */
+	00000000,					/* (dummy) priplug */
 	(CFG_RANGE20_STRCT *) fw_image_infocompat,
 	(CFG_IDENTITY_STRCT *) fw_image_infoidentity,
 };

From 01ce33545f2ef939ef73a93974b89c92a27e5522 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Tue, 16 Mar 2010 00:05:34 +0200
Subject: [PATCH 1002/3638] Staging: wlags49_h2: fix TAB and space coding style
 issue in ap_h2.c

This is a patch to the p80211conv.c file that fixed up a TAB and spaces
Errors found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/ap_h2.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/wlags49_h2/ap_h2.c b/drivers/staging/wlags49_h2/ap_h2.c
index e3114981389..eb8244c4d6f 100644
--- a/drivers/staging/wlags49_h2/ap_h2.c
+++ b/drivers/staging/wlags49_h2/ap_h2.c
@@ -26,7 +26,7 @@
 
 
 #include "hcfcfg.h"				/* to get hcf_16 etc defined as well as */
-                                /* possible settings which inluence mdd.h or dhf.h */
+					/* possible settings which inluence mdd.h or dhf.h */
 #include "mdd.h"   				/* to get COMP_ID_STA etc defined */
 #include "dhf.h"   				/* used to be "fhfmem.h", to get memblock,plugrecord, */
 
@@ -3238,7 +3238,7 @@ static const hcf_8 fw_image_4_data[] = {
 
 static const CFG_IDENTITY_STRCT fw_image_infoidentity[] = {
 	{
-		sizeof( CFG_IDENTITY_STRCT ) / sizeof(hcf_16) - 1,
+		sizeof(CFG_IDENTITY_STRCT) / sizeof(hcf_16) - 1,
 		CFG_FW_IDENTITY,
 		COMP_ID_FW_AP,
 		2,							/* Variant /
@@ -3256,7 +3256,7 @@ static const CFG_PROG_STRCT fw_image_code[] = {
 		0x0146,		/* sizeof(fw_image_1_data), */
 		0x00000060,					/* Target address in NIC Memory */
 		0x0000,						/* CRC: yes/no	TYPE: primary/station/tertiary */
-		(hcf_8 FAR   *) fw_image_1_data
+		(hcf_8 FAR *) fw_image_1_data
 	},
 	{
 		8,
@@ -3265,7 +3265,7 @@ static const CFG_PROG_STRCT fw_image_code[] = {
 		0x1918,		/* sizeof(fw_image_2_data), */
 		0x00000C16,					/* Target address in NIC Memory */
 		0x0000,						/* CRC: yes/no	TYPE: primary/station/tertiary */
-		(hcf_8 FAR   *) fw_image_2_data
+		(hcf_8 FAR *) fw_image_2_data
 	},
 	{
 		8,
@@ -3274,7 +3274,7 @@ static const CFG_PROG_STRCT fw_image_code[] = {
 		0x01bc,		/* sizeof(fw_image_3_data), */
 		0x001E252E,					/* Target address in NIC Memory */
 		0x0000,						/* CRC: yes/no	TYPE: primary/station/tertiary */
-		(hcf_8 FAR   *) fw_image_3_data
+		(hcf_8 FAR *) fw_image_3_data
 	},
 	{
 		8,
@@ -3283,14 +3283,14 @@ static const CFG_PROG_STRCT fw_image_code[] = {
 		0xab28,		/* sizeof(fw_image_4_data), */
 		0x001F4000,					/* Target address in NIC Memory */
 		0x0000,						/* CRC: yes/no	TYPE: primary/station/tertiary */
-		(hcf_8 FAR   *) fw_image_4_data
+		(hcf_8 FAR *) fw_image_4_data
 	},
 	{
 		5,
 		CFG_PROG,
 		CFG_PROG_STOP,				/* mode*/
 		0000,
- 	0x000F1297,					/* Start execution address */
+	0x000F1297,					/* Start execution address */
 	},
 	{ 0000, 0000, 0000, 0000, 00000000, 0000, 00000000}
 };

From fd547f1fead33e55190a1c670575fea467ee24ee Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Tue, 16 Mar 2010 21:48:11 +0200
Subject: [PATCH 1003/3638] Staging: wlags49_h2: fix comments coding style
 issue in dhf.c

This is a patch to the dhf.c file that fixed up a TAB and spaces Errors
found by the checkpatch.pl tools, like
	do not use C99 // comments

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhf.c | 74 ++++++++++++++++----------------
 1 file changed, 37 insertions(+), 37 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhf.c b/drivers/staging/wlags49_h2/dhf.c
index b6f5834b1af..8997980671f 100644
--- a/drivers/staging/wlags49_h2/dhf.c
+++ b/drivers/staging/wlags49_h2/dhf.c
@@ -1,5 +1,5 @@
 
-//   vim:tw=110:ts=4:
+/*   vim:tw=110:ts=4: */
 /**************************************************************************************************************
 *
 * FILE   :	DHF.C
@@ -97,7 +97,7 @@
 #include "dhf.h"
 #include "mmd.h"
 
-//to distinguish MMD from HCF asserts by means of line number
+/* to distinguish MMD from HCF asserts by means of line number */
 #undef	FILE_NAME_OFFSET
 #define FILE_NAME_OFFSET MMD_FILE_NAME_OFFSET
 /*-----------------------------------------------------------------------------
@@ -106,18 +106,18 @@
  *
  *---------------------------------------------------------------------------*/
 
-//                    12345678901234
+/*                    12345678901234 */
 char signature[14] = "FUPU7D37dhfwci";
 
-//The binary download function "relocates" the image using constructions like:
-//	fw->identity = (CFG_IDENTITY_STRCT FAR *)((char FAR *)fw->identity + (hcf_32)fw );
-//under some of the memory models under MSVC 1.52 these constructions degrade to 16-bits pointer arithmetic.
-//fw->identity is limited, such that adding it to fw, does not need to carry over from offset to segment.
-//However the segment is not set at all.
-//As a workaround the PSEUDO_CHARP macro is introduced which is a char pointer except for MSVC 1.52, in
-//which case we know that a 32-bit quantity is adequate as a pointer.
-//Note that other platforms may experience comparable problems when using the binary download feature.
-#if defined(_MSC_VER) && _MSC_VER ==  800				// Visual C++ 1.5
+/* The binary download function "relocates" the image using constructions like:
+	fw->identity = (CFG_IDENTITY_STRCT FAR *)((char FAR *)fw->identity + (hcf_32)fw );
+	under some of the memory models under MSVC 1.52 these constructions degrade to 16-bits pointer arithmetic.
+	fw->identity is limited, such that adding it to fw, does not need to carry over from offset to segment.
+	However the segment is not set at all.
+	As a workaround the PSEUDO_CHARP macro is introduced which is a char pointer except for MSVC 1.52, in
+	which case we know that a 32-bit quantity is adequate as a pointer.
+	Note that other platforms may experience comparable problems when using the binary download feature. */
+#if defined(_MSC_VER) && _MSC_VER ==  800				/* Visual C++ 1.5 */
 #define PSEUDO_CHARP hcf_32
 #else
 #define PSEUDO_CHARP hcf_8*
@@ -132,12 +132,12 @@ char signature[14] = "FUPU7D37dhfwci";
  *
  *---------------------------------------------------------------------------*/
 
-// for USB/H1 we needed a smaller value than the CFG_DL_BUF_STRCT reported 8192
-// for the time being it seems simpler to always use 2000 for USB/H1 as well as all other cases rather than
-// using the "fixed anyway" CFG_DL_BUF_STRCT.
+/* for USB/H1 we needed a smaller value than the CFG_DL_BUF_STRCT reported 8192
+	for the time being it seems simpler to always use 2000 for USB/H1 as well as all other cases rather than
+	using the "fixed anyway" CFG_DL_BUF_STRCT. */
 #define DL_SIZE 2000
 
-//CFG_IDENTITY_STRCT   	pri_identity	= { LOF(CFG_IDENTITY_STRCT), CFG_PRI_IDENTITY };
+/* CFG_IDENTITY_STRCT   	pri_identity	= { LOF(CFG_IDENTITY_STRCT), CFG_PRI_IDENTITY }; */
 CFG_SUP_RANGE_STRCT 	mfi_sup        	= { LOF(CFG_SUP_RANGE_STRCT), CFG_NIC_MFI_SUP_RANGE };
 CFG_SUP_RANGE_STRCT 	cfi_sup        	= { LOF(CFG_SUP_RANGE_STRCT), CFG_NIC_CFI_SUP_RANGE };
 /* Note: could be used rather than the above explained and defined DL_SIZE if need arises
@@ -192,41 +192,41 @@ int   					rc = HCF_SUCCESS;
 CFG_RANGE_SPEC_STRCT*	i;
 
 	switch( fw->identity->typ ) {
-	  case CFG_FW_IDENTITY:				//Station F/W
-	  case COMP_ID_FW_AP_FAKE:			//;?is this useful (used to be:  CFG_AP_IDENTITY)
+	  case CFG_FW_IDENTITY:				/* Station F/W */
+	  case COMP_ID_FW_AP_FAKE:			/* ;?is this useful (used to be:  CFG_AP_IDENTITY) */
 		break;
 	  default:
-		MMDASSERT( DO_ASSERT, fw->identity->typ ) 	//unknown/unsupported firmware_type:
+		MMDASSERT( DO_ASSERT, fw->identity->typ ) 	/* unknown/unsupported firmware_type: */
 		rc = DHF_ERR_INCOMP_FW;
-		return rc; /* ;? how useful is this anyway,
+		return rc; /* ;? how useful is this anyway, 
 					*  till that is sorted out might as well violate my own single exit principle
 					*/
 	}
 	p = fw->compat;
 	i = NULL;
-	while( p->len && i == NULL ) {					// check the MFI ranges
+	while( p->len && i == NULL ) {					/* check the MFI ranges */
 		if ( p->typ  == CFG_MFI_ACT_RANGES_STA ) {
 			i = mmd_check_comp( (void*)p, &mfi_sup );
 		}
 		p++;
 	}
-	MMDASSERT( i, 0 )	//MFI: NIC Supplier not compatible with F/W image Actor
+	MMDASSERT( i, 0 )	/* MFI: NIC Supplier not compatible with F/W image Actor */
 	if ( i ) {
 		p = fw->compat;
 		i = NULL;
-		while ( p->len && i == NULL ) {			// check the CFI ranges
+		while ( p->len && i == NULL ) {			/* check the CFI ranges */
 			if ( p->typ  == CFG_CFI_ACT_RANGES_STA ) {
 				 i = mmd_check_comp( (void*)p, &cfi_sup );
 			}
 			p++;
 		}
-		MMDASSERT( i, 0 )	//CFI: NIC Supplier not compatible with F/W image Actor
+		MMDASSERT( i, 0 )	/* CFI: NIC Supplier not compatible with F/W image Actor */
 	}
 	if ( i == NULL ) {
 		rc = DHF_ERR_INCOMP_FW;
 	}
 	return rc;
-} // check_comp_fw
+} /* check_comp_fw */
 
 
 
@@ -277,13 +277,13 @@ int 			rc = HCF_SUCCESS;
 CFG_PROG_STRCT 	*p;
 int				i;
 
-	//validate the image
-	for ( i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++ ) /*NOP*/;
+	/* validate the image */
+	for ( i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++ ) /* NOP */;
 	if ( i != sizeof(signature) 		||
 		 fw->signature[i] != 0x01   	||
-		 //test for Little/Big Endian Binary flag
-		 fw->signature[i+1] != ( /*HCF_BIG_ENDIAN ? 'B' : */ 'L' ) ) rc = DHF_ERR_INCOMP_FW;
-	else {					//Little Endian Binary format
+		 /* test for Little/Big Endian Binary flag */
+		 fw->signature[i+1] != ( /* HCF_BIG_ENDIAN ? 'B' : */ 'L' ) ) rc = DHF_ERR_INCOMP_FW;
+	else {					/* Little Endian Binary format */
 		fw->codep    = (CFG_PROG_STRCT FAR *)((PSEUDO_CHARP)fw->codep + (hcf_32)fw );
 		fw->identity = (CFG_IDENTITY_STRCT FAR *)((PSEUDO_CHARP)fw->identity + (hcf_32)fw );
 		fw->compat   = (CFG_RANGE20_STRCT FAR *)((PSEUDO_CHARP)fw->compat + (hcf_32)fw );
@@ -295,7 +295,7 @@ int				i;
 		}
 	}
 	return rc;
-}   // dhf_download_binary
+}   /* dhf_download_binary */
 
 
 /*************************************************************************************************************
@@ -360,17 +360,17 @@ LTVP 				ltvp;
 int					i;
 
 	MMDASSERT( fw != NULL, 0 )
-	//validate the image
-	for ( i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++ ) /*NOP*/;
+	/* validate the image */
+	for ( i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++ ) /* NOP */;
 	if ( i != sizeof(signature) 		||
 		 fw->signature[i] != 0x01		||
-		 //check for binary image
+		 /* check for binary image */
 		 ( fw->signature[i+1] != 'C' && fw->signature[i+1] != ( /*HCF_BIG_ENDIAN ? 'B' : */ 'L' ) ) )
 		 rc = DHF_ERR_INCOMP_FW;
 
-//	Retrieve all information needed for download from the NIC
+/*	Retrieve all information needed for download from the NIC */
 	while ( ( rc == HCF_SUCCESS ) && ( ( ltvp = pp->ltvp) != NULL ) ) {
-		ltvp->len = pp++->len;	// Set len to original len. This len is changed to real len by GET_INFO()
+		ltvp->len = pp++->len;	/* Set len to original len. This len is changed to real len by GET_INFO() */
 		rc = GET_INFO( ltvp );
 		MMDASSERT( rc == HCF_SUCCESS, rc )
 		MMDASSERT( rc == HCF_SUCCESS, ltvp->typ )
@@ -385,6 +385,6 @@ int					i;
 	}
 	MMDASSERT( rc == HCF_SUCCESS, rc )
 	return rc;
-}   // dhf_download_fw
+}   /* dhf_download_fw */
 
 

From ccc75a583d993c4d51e2b62ae340cebb23ae886f Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Tue, 16 Mar 2010 21:59:22 +0200
Subject: [PATCH 1004/3638] Staging: wlags49_h2: fix copyright style issue in
 dhf.c

This is a patch to the dhf.c file that fixed up a copyright style Errors
found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhf.c b/drivers/staging/wlags49_h2/dhf.c
index 8997980671f..369036412c6 100644
--- a/drivers/staging/wlags49_h2/dhf.c
+++ b/drivers/staging/wlags49_h2/dhf.c
@@ -54,8 +54,8 @@
 * software indicates your acceptance of these terms and conditions.  If you do
 * not agree with these terms and conditions, do not use the software.
 *
-* COPYRIGHT � 1999 - 2000 by Lucent Technologies.	All Rights Reserved
-* COPYRIGHT � 2001 - 2004	by Agere Systems Inc.	All Rights Reserved
+* COPYRIGHT (C) 1999 - 2000 by Lucent Technologies.	All Rights Reserved
+* COPYRIGHT (C) 2001 - 2004	by Agere Systems Inc.	All Rights Reserved
 * All rights reserved.
 *
 * Redistribution and use in source or binary forms, with or without

From 068b561c3c96e7a52a4974da457fb8591064d40b Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Wed, 17 Mar 2010 10:14:34 +0200
Subject: [PATCH 1005/3638] Staging: wlags49_h2: fix TAB and space coding style
 issue dhf.c

This is a patch to the dhf.c file that fixed up a TAB and spaces Errors
found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhf.c | 88 ++++++++++++++++----------------
 1 file changed, 44 insertions(+), 44 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhf.c b/drivers/staging/wlags49_h2/dhf.c
index 369036412c6..3af43988b95 100644
--- a/drivers/staging/wlags49_h2/dhf.c
+++ b/drivers/staging/wlags49_h2/dhf.c
@@ -120,7 +120,7 @@ char signature[14] = "FUPU7D37dhfwci";
 #if defined(_MSC_VER) && _MSC_VER ==  800				/* Visual C++ 1.5 */
 #define PSEUDO_CHARP hcf_32
 #else
-#define PSEUDO_CHARP hcf_8*
+#define PSEUDO_CHARP (hcf_8 *)
 #endif
 
 /*-----------------------------------------------------------------------------
@@ -164,7 +164,7 @@ LTV_INFO_STRUCT ltv_info[] = {
 /***********************************************************************************************************/
 /***************************************  PROTOTYPES  ******************************************************/
 /***********************************************************************************************************/
-static int				check_comp_fw( memimage *fw );
+static int				check_comp_fw(memimage *fw);
 
 
 /************************************************************************************************************
@@ -185,44 +185,44 @@ static int				check_comp_fw( memimage *fw );
 *.ENDDOC				END DOCUMENTATION
 *************************************************************************************************************/
 int
-check_comp_fw( memimage *fw )
+check_comp_fw(memimage *fw)
 {
 CFG_RANGE20_STRCT  		*p;
 int   					rc = HCF_SUCCESS;
-CFG_RANGE_SPEC_STRCT*	i;
+CFG_RANGE_SPEC_STRCT *i;
 
-	switch( fw->identity->typ ) {
-	  case CFG_FW_IDENTITY:				/* Station F/W */
-	  case COMP_ID_FW_AP_FAKE:			/* ;?is this useful (used to be:  CFG_AP_IDENTITY) */
+	switch (fw->identity->typ) {
+	case CFG_FW_IDENTITY:				/* Station F/W */
+	case COMP_ID_FW_AP_FAKE:			/* ;?is this useful (used to be:  CFG_AP_IDENTITY) */
 		break;
-	  default:
-		MMDASSERT( DO_ASSERT, fw->identity->typ ) 	/* unknown/unsupported firmware_type: */
+	default:
+		MMDASSERT(DO_ASSERT, fw->identity->typ) 	/* unknown/unsupported firmware_type: */
 		rc = DHF_ERR_INCOMP_FW;
-		return rc; /* ;? how useful is this anyway, 
+		return rc; /* ;? how useful is this anyway,
 					*  till that is sorted out might as well violate my own single exit principle
 					*/
 	}
 	p = fw->compat;
 	i = NULL;
-	while( p->len && i == NULL ) {					/* check the MFI ranges */
-		if ( p->typ  == CFG_MFI_ACT_RANGES_STA ) {
-			i = mmd_check_comp( (void*)p, &mfi_sup );
+	while (p->len && i == NULL) {					/* check the MFI ranges */
+		if (p->typ  == CFG_MFI_ACT_RANGES_STA) {
+			i = mmd_check_comp((void *)p, &mfi_sup);
 		}
 		p++;
 	}
-	MMDASSERT( i, 0 )	/* MFI: NIC Supplier not compatible with F/W image Actor */
-	if ( i ) {
+	MMDASSERT(i, 0)	/* MFI: NIC Supplier not compatible with F/W image Actor */
+	if (i) {
 		p = fw->compat;
 		i = NULL;
-		while ( p->len && i == NULL ) {			/* check the CFI ranges */
-			if ( p->typ  == CFG_CFI_ACT_RANGES_STA ) {
-				 i = mmd_check_comp( (void*)p, &cfi_sup );
+		while (p->len && i == NULL) {			/* check the CFI ranges */
+			if (p->typ  == CFG_CFI_ACT_RANGES_STA) {
+				 i = mmd_check_comp((void *)p, &cfi_sup);
 			}
 			p++;
 		}
-		MMDASSERT( i, 0 )	/* CFI: NIC Supplier not compatible with F/W image Actor */
+		MMDASSERT(i, 0)	/* CFI: NIC Supplier not compatible with F/W image Actor */
 	}
-	if ( i == NULL ) {
+	if (i == NULL) {
 		rc = DHF_ERR_INCOMP_FW;
 	}
 	return rc;
@@ -271,25 +271,25 @@ CFG_RANGE_SPEC_STRCT*	i;
 *.ENDDOC				END DOCUMENTATION
 *************************************************************************************************************/
 int
-dhf_download_binary( memimage *fw )
+dhf_download_binary(memimage *fw)
 {
 int 			rc = HCF_SUCCESS;
 CFG_PROG_STRCT 	*p;
 int				i;
 
 	/* validate the image */
-	for ( i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++ ) /* NOP */;
-	if ( i != sizeof(signature) 		||
+	for (i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++); /* NOP */
+	if (i != sizeof(signature) 		||
 		 fw->signature[i] != 0x01   	||
 		 /* test for Little/Big Endian Binary flag */
-		 fw->signature[i+1] != ( /* HCF_BIG_ENDIAN ? 'B' : */ 'L' ) ) rc = DHF_ERR_INCOMP_FW;
+		 fw->signature[i+1] != (/* HCF_BIG_ENDIAN ? 'B' : */ 'L')) rc = DHF_ERR_INCOMP_FW;
 	else {					/* Little Endian Binary format */
-		fw->codep    = (CFG_PROG_STRCT FAR *)((PSEUDO_CHARP)fw->codep + (hcf_32)fw );
-		fw->identity = (CFG_IDENTITY_STRCT FAR *)((PSEUDO_CHARP)fw->identity + (hcf_32)fw );
-		fw->compat   = (CFG_RANGE20_STRCT FAR *)((PSEUDO_CHARP)fw->compat + (hcf_32)fw );
-		for ( i = 0; fw->p[i]; i++ ) fw->p[i] = ((PSEUDO_CHARP)fw->p[i] + (hcf_32)fw );
+		fw->codep    = (CFG_PROG_STRCT FAR*)((PSEUDO_CHARP)fw->codep + (hcf_32)fw);
+		fw->identity = (CFG_IDENTITY_STRCT FAR*)((PSEUDO_CHARP)fw->identity + (hcf_32)fw);
+		fw->compat   = (CFG_RANGE20_STRCT FAR*)((PSEUDO_CHARP)fw->compat + (hcf_32)fw);
+		for (i = 0; fw->p[i]; i++) fw->p[i] = ((PSEUDO_CHARP)fw->p[i] + (hcf_32)fw);
 		p = fw->codep;
-		while ( p->len ) {
+		while (p->len) {
 			p->host_addr = (PSEUDO_CHARP)p->host_addr + (hcf_32)fw;
 			p++;
 		}
@@ -351,7 +351,7 @@ int				i;
 *.ENDDOC				END DOCUMENTATION
 *************************************************************************************************************/
 int
-dhf_download_fw( void *ifbp, memimage *fw )
+dhf_download_fw(void *ifbp, memimage *fw)
 {
 int 				rc = HCF_SUCCESS;
 LTV_INFO_STRUCT_PTR pp = ltv_info;
@@ -359,31 +359,31 @@ CFG_PROG_STRCT 		*p = fw->codep;
 LTVP 				ltvp;
 int					i;
 
-	MMDASSERT( fw != NULL, 0 )
+	MMDASSERT(fw != NULL, 0)
 	/* validate the image */
-	for ( i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++ ) /* NOP */;
-	if ( i != sizeof(signature) 		||
+	for (i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++) /* NOP */;
+	if (i != sizeof(signature) 		||
 		 fw->signature[i] != 0x01		||
 		 /* check for binary image */
-		 ( fw->signature[i+1] != 'C' && fw->signature[i+1] != ( /*HCF_BIG_ENDIAN ? 'B' : */ 'L' ) ) )
+		 (fw->signature[i+1] != 'C' && fw->signature[i+1] != (/*HCF_BIG_ENDIAN ? 'B' : */ 'L')))
 		 rc = DHF_ERR_INCOMP_FW;
 
 /*	Retrieve all information needed for download from the NIC */
-	while ( ( rc == HCF_SUCCESS ) && ( ( ltvp = pp->ltvp) != NULL ) ) {
+	while ((rc == HCF_SUCCESS) && ((ltvp = pp->ltvp) != NULL)) {
 		ltvp->len = pp++->len;	/* Set len to original len. This len is changed to real len by GET_INFO() */
-		rc = GET_INFO( ltvp );
-		MMDASSERT( rc == HCF_SUCCESS, rc )
-		MMDASSERT( rc == HCF_SUCCESS, ltvp->typ )
-		MMDASSERT( rc == HCF_SUCCESS, ltvp->len )
+		rc = GET_INFO(ltvp);
+		MMDASSERT(rc == HCF_SUCCESS, rc)
+		MMDASSERT(rc == HCF_SUCCESS, ltvp->typ)
+		MMDASSERT(rc == HCF_SUCCESS, ltvp->len)
 	}
-	if ( rc == HCF_SUCCESS ) rc = check_comp_fw( fw );
-	if ( rc == HCF_SUCCESS ) {
-		while ( rc == HCF_SUCCESS && p->len ) {
-			rc = PUT_INFO( p );
+	if (rc == HCF_SUCCESS) rc = check_comp_fw(fw);
+	if (rc == HCF_SUCCESS) {
+		while (rc == HCF_SUCCESS && p->len) {
+			rc = PUT_INFO(p);
 			p++;
 		}
 	}
-	MMDASSERT( rc == HCF_SUCCESS, rc )
+	MMDASSERT(rc == HCF_SUCCESS, rc)
 	return rc;
 }   /* dhf_download_fw */
 

From 437de951eca9c831dc69a47b58603b1d8d9cbf82 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Wed, 17 Mar 2010 11:02:49 +0200
Subject: [PATCH 1006/3638] Staging: wlags49_h2: fix trailing statements coding
 style issue in dhf.c

This is a patch to the dhf.c file that fixed up a trailing statements
Errors found by the checkpatch.pl tools, like
	trailing statements should be on next line

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhf.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhf.c b/drivers/staging/wlags49_h2/dhf.c
index 3af43988b95..d5fb1a97e85 100644
--- a/drivers/staging/wlags49_h2/dhf.c
+++ b/drivers/staging/wlags49_h2/dhf.c
@@ -278,16 +278,19 @@ CFG_PROG_STRCT 	*p;
 int				i;
 
 	/* validate the image */
-	for (i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++); /* NOP */
+	for (i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++)
+		; /* NOP */
 	if (i != sizeof(signature) 		||
 		 fw->signature[i] != 0x01   	||
 		 /* test for Little/Big Endian Binary flag */
-		 fw->signature[i+1] != (/* HCF_BIG_ENDIAN ? 'B' : */ 'L')) rc = DHF_ERR_INCOMP_FW;
+		 fw->signature[i+1] != (/* HCF_BIG_ENDIAN ? 'B' : */ 'L'))
+		rc = DHF_ERR_INCOMP_FW;
 	else {					/* Little Endian Binary format */
 		fw->codep    = (CFG_PROG_STRCT FAR*)((PSEUDO_CHARP)fw->codep + (hcf_32)fw);
 		fw->identity = (CFG_IDENTITY_STRCT FAR*)((PSEUDO_CHARP)fw->identity + (hcf_32)fw);
 		fw->compat   = (CFG_RANGE20_STRCT FAR*)((PSEUDO_CHARP)fw->compat + (hcf_32)fw);
-		for (i = 0; fw->p[i]; i++) fw->p[i] = ((PSEUDO_CHARP)fw->p[i] + (hcf_32)fw);
+		for (i = 0; fw->p[i]; i++)
+			fw->p[i] = ((PSEUDO_CHARP)fw->p[i] + (hcf_32)fw);
 		p = fw->codep;
 		while (p->len) {
 			p->host_addr = (PSEUDO_CHARP)p->host_addr + (hcf_32)fw;
@@ -361,7 +364,8 @@ int					i;
 
 	MMDASSERT(fw != NULL, 0)
 	/* validate the image */
-	for (i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++) /* NOP */;
+	for (i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++)
+		; /* NOP */
 	if (i != sizeof(signature) 		||
 		 fw->signature[i] != 0x01		||
 		 /* check for binary image */
@@ -376,7 +380,8 @@ int					i;
 		MMDASSERT(rc == HCF_SUCCESS, ltvp->typ)
 		MMDASSERT(rc == HCF_SUCCESS, ltvp->len)
 	}
-	if (rc == HCF_SUCCESS) rc = check_comp_fw(fw);
+	if (rc == HCF_SUCCESS)
+		rc = check_comp_fw(fw);
 	if (rc == HCF_SUCCESS) {
 		while (rc == HCF_SUCCESS && p->len) {
 			rc = PUT_INFO(p);

From 7adea182f1fcaac3c0f37007a15d27f80ef56b85 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sat, 20 Mar 2010 09:24:44 +0200
Subject: [PATCH 1007/3638] Staging: wlags49_h2: fix copyright and space style
 issue in dhf.h

This is a patch to the dhf.h file that fixed up a copyright anf space
style Errors found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhf.h | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhf.h b/drivers/staging/wlags49_h2/dhf.h
index c071f342a65..13abcdd6282 100644
--- a/drivers/staging/wlags49_h2/dhf.h
+++ b/drivers/staging/wlags49_h2/dhf.h
@@ -38,9 +38,9 @@
 * software indicates your acceptance of these terms and conditions.  If you do
 * not agree with these terms and conditions, do not use the software.
 *
-* COPYRIGHT � 1994 - 1995	by AT&T.				All Rights Reserved
-* COPYRIGHT � 1999 - 2000 by Lucent Technologies.	All Rights Reserved
-* COPYRIGHT � 2001 - 2004	by Agere Systems Inc.	All Rights Reserved
+* COPYRIGHT (C) 1994 - 1995	by AT&T.				All Rights Reserved
+* COPYRIGHT (C) 1999 - 2000 by Lucent Technologies.	All Rights Reserved
+* COPYRIGHT (C) 2001 - 2004	by Agere Systems Inc.	All Rights Reserved
 * All rights reserved.
 *
 * Redistribution and use in source or binary forms, with or without
@@ -85,11 +85,11 @@
 #include "hcf.h"   		 	// includes HCFCFG.H too
 
 #ifdef DHF_UIL
-#define GET_INFO( pp )  uil_get_info( (LTVP)pp )
-#define PUT_INFO( pp )  uil_put_info( (LTVP)pp )
+#define GET_INFO(pp)  uil_get_info((LTVP)pp)
+#define PUT_INFO(pp)  uil_put_info((LTVP)pp)
 #else
-#define GET_INFO( pp )  hcf_get_info( ifbp, (LTVP)pp )
-#define PUT_INFO( pp )  hcf_put_info( ifbp, (LTVP)pp )
+#define GET_INFO(pp)  hcf_get_info(ifbp, (LTVP)pp)
+#define PUT_INFO(pp)  hcf_put_info(ifbp, (LTVP)pp)
 #endif
 
 
@@ -189,9 +189,9 @@ typedef struct {
  */
 typedef struct {
 	char					signature[14+1+1];	// signature (see DHF.C) + C/LE-Bin/BE-Bin-flag + format version
-	CFG_PROG_STRCT FAR		*codep;				//
+	CFG_PROG_STRCT FAR * codep;				//
 	hcf_32           	 	execution;    		// Execution address of the firmware
-	void FAR 		      	*place_holder_1;
+	void FAR * place_holder_1;
 	void FAR  		     	*place_holder_2;
 	CFG_RANGE20_STRCT FAR  	*compat;      		// Pointer to the compatibility info records
 	CFG_IDENTITY_STRCT FAR 	*identity;    		// Pointer to the identity info records
@@ -209,8 +209,8 @@ typedef struct {
  *
  *---------------------------------------------------------------------------*/
 
-EXTERN_C int dhf_download_fw( void *ifbp, memimage *fw );	//	ifbp, ignored when using the UIL
-EXTERN_C int dhf_download_binary( memimage *fw );
+EXTERN_C int dhf_download_fw(void *ifbp, memimage *fw);	//	ifbp, ignored when using the UIL
+EXTERN_C int dhf_download_binary(memimage *fw);
 
 
 /*-----------------------------------------------------------------------------
@@ -220,7 +220,7 @@ EXTERN_C int dhf_download_binary( memimage *fw );
  *---------------------------------------------------------------------------*/
 
 // defined in DHF.C; see there for comments
-EXTERN_C hcf_16 *find_record_in_pda( hcf_16 *pdap, hcf_16 code );
+EXTERN_C hcf_16 *find_record_in_pda(hcf_16 *pdap, hcf_16 code);
 
 #endif  // DHF_H
 

From 1ef61183ceaf2ebb59df817834c0cc755d99c634 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sat, 20 Mar 2010 09:24:57 +0200
Subject: [PATCH 1008/3638] Staging: wlags49_h2: fix space and comments style
 issue in dhf.h

This is a patch to the dhf.c file that fixed up a space and comments
style Errors found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhf.h | 38 ++++++++++++++++----------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhf.h b/drivers/staging/wlags49_h2/dhf.h
index 13abcdd6282..dbe0611fd03 100644
--- a/drivers/staging/wlags49_h2/dhf.h
+++ b/drivers/staging/wlags49_h2/dhf.h
@@ -1,5 +1,5 @@
 
-//   vim:tw=110:ts=4:
+/*   vim:tw=110:ts=4: */
 #ifndef DHF_H
 #define DHF_H
 
@@ -82,7 +82,7 @@
 #include <windef.h>
 #endif
 
-#include "hcf.h"   		 	// includes HCFCFG.H too
+#include "hcf.h"   		 	/* includes HCFCFG.H too */
 
 #ifdef DHF_UIL
 #define GET_INFO(pp)  uil_get_info((LTVP)pp)
@@ -94,15 +94,15 @@
 
 
 /*---- Defines --------------------------------------------------------------*/
-#define CODEMASK				0x0000FFFFL    	// Codemask for plug records
+#define CODEMASK				0x0000FFFFL    	/* Codemask for plug records */
 
 /*---- Error numbers --------------------------------------------------------*/
 
-#define DHF_ERR_INCOMP_FW		0x40	//Image not compatible with NIC
+#define DHF_ERR_INCOMP_FW		0x40	/* Image not compatible with NIC */
 
 /*---- Type definitions -----------------------------------------------------*/
-//* needed by dhf_wrap.c
-//
+/* needed by dhf_wrap.c */
+
 typedef struct {
 	LTVP 	ltvp;
 	hcf_16	len;
@@ -119,9 +119,9 @@ typedef struct {
  */
 
 typedef struct {
-	hcf_32	code;      	// Code to plug
-	hcf_32	addr;      	// Address within the memory image to plug it in
-	hcf_32	len;       	// The # of bytes which are available to store it
+	hcf_32	code;      	/* Code to plug */
+	hcf_32	addr;      	/* Address within the memory image to plug it in */
+	hcf_32	len;       	/* The # of bytes which are available to store it */
 } plugrecord;
 
 /*
@@ -159,7 +159,7 @@ typedef struct {
 	char 	str[MAX_DEBUGEXPORT_LEN];
 } exportrecord;
 
-// Offsets in memimage array p[]
+/* Offsets in memimage array p[] */
 #define FWSTRINGS_FUNCTION		0
 #define FWEXPORTS_FUNCTION		1
 
@@ -188,13 +188,13 @@ typedef struct {
  * 	The end of the array is indicated by a plug record of which all fields are zero.
  */
 typedef struct {
-	char					signature[14+1+1];	// signature (see DHF.C) + C/LE-Bin/BE-Bin-flag + format version
-	CFG_PROG_STRCT FAR * codep;				//
-	hcf_32           	 	execution;    		// Execution address of the firmware
-	void FAR * place_holder_1;
+	char					signature[14+1+1];	/* signature (see DHF.C) + C/LE-Bin/BE-Bin-flag + format version */
+	CFG_PROG_STRCT FAR *codep;				/* */
+	hcf_32           	 	execution;    		/* Execution address of the firmware */
+	void FAR *place_holder_1;
 	void FAR  		     	*place_holder_2;
-	CFG_RANGE20_STRCT FAR  	*compat;      		// Pointer to the compatibility info records
-	CFG_IDENTITY_STRCT FAR 	*identity;    		// Pointer to the identity info records
+	CFG_RANGE20_STRCT FAR  	*compat;      		/* Pointer to the compatibility info records */
+	CFG_IDENTITY_STRCT FAR 	*identity;    		/* Pointer to the identity info records */
 	void FAR				*p[2];				/* (Up to 9) pointers for (future) expansion
 												 * currently in use:
 												 *  - F/W printf information
@@ -209,7 +209,7 @@ typedef struct {
  *
  *---------------------------------------------------------------------------*/
 
-EXTERN_C int dhf_download_fw(void *ifbp, memimage *fw);	//	ifbp, ignored when using the UIL
+EXTERN_C int dhf_download_fw(void *ifbp, memimage *fw);	/* ifbp, ignored when using the UIL */
 EXTERN_C int dhf_download_binary(memimage *fw);
 
 
@@ -219,8 +219,8 @@ EXTERN_C int dhf_download_binary(memimage *fw);
  *
  *---------------------------------------------------------------------------*/
 
-// defined in DHF.C; see there for comments
+/* defined in DHF.C; see there for comments */
 EXTERN_C hcf_16 *find_record_in_pda(hcf_16 *pdap, hcf_16 code);
 
-#endif  // DHF_H
+#endif  /* DHF_H */
 

From fa51929f66ce7953714df1193b13750c39871065 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sat, 20 Mar 2010 09:36:15 +0200
Subject: [PATCH 1009/3638] Staging: wlags49_h2: fix copyright and comments
 style issue in dhfcfg.h

This is a patch to the dhfcfg.h file that fixed up a copyright and
commets style Errors found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhfcfg.h | 106 ++++++++++++++--------------
 1 file changed, 53 insertions(+), 53 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhfcfg.h b/drivers/staging/wlags49_h2/dhfcfg.h
index a0c26c678c5..75c279f268a 100644
--- a/drivers/staging/wlags49_h2/dhfcfg.h
+++ b/drivers/staging/wlags49_h2/dhfcfg.h
@@ -22,7 +22,7 @@
  * software indicates your acceptance of these terms and conditions.  If you do
  * not agree with these terms and conditions, do not use the software.
  *
- * Copyright � 2003 Agere Systems Inc.
+ * Copyright (c) 2003 Agere Systems Inc.
  * All rights reserved.
  *
  * Redistribution and use in source or binary forms, with or without
@@ -77,82 +77,82 @@
  *---------------------------------------------------------------------------*/
 
 
-// Define DHF_WCI if you want to use the WCI to access the ORiNOCO card.
-// Define DHF_UIL if you want to use the UIL to access the ORiNOCO card.
-// You must define either DHF_WCI or DHF_UIL. If neither of the two is defined
-// or both a compile error is generated.
+/* Define DHF_WCI if you want to use the WCI to access the ORiNOCO card.
+   Define DHF_UIL if you want to use the UIL to access the ORiNOCO card.
+   You must define either DHF_WCI or DHF_UIL. If neither of the two is defined
+   or both a compile error is generated. */
 #define DHF_WCI
-//!!!#define DHF_UIL
+/* !!!#define DHF_UIL */
 
-// Define DHF_BIG_ENDIAN if you are working on a big endian platform.
-// Define DHF_LITTLE_ENDIAN if you are working on a little endian platform.
-// You must define either DHF_BIG_ENDIAN or DHF_LITTLE_ENDIAN. If neither of
-// the two is defined or both a compile error is generated.
+/* Define DHF_BIG_ENDIAN if you are working on a big endian platform.
+   Define DHF_LITTLE_ENDIAN if you are working on a little endian platform.
+   You must define either DHF_BIG_ENDIAN or DHF_LITTLE_ENDIAN. If neither of
+   the two is defined or both a compile error is generated. */
 #ifdef USE_BIG_ENDIAN
 #define DHF_BIG_ENDIAN
 #else
 #define DHF_LITTLE_ENDIAN
 #endif  /* USE_BIG_ENDIAN */
 
-// Define DHF_WIN if you are working on Windows platform.
-// Define DHF_DOS if you are working on DOS.
-// You must define either DHF_WIN or DHF_DOS. If neither of
-// the two is defined or both a compile error is generated.
-//!!!#define DHF_WIN
-//!!!#define DHF_DOS
+/* Define DHF_WIN if you are working on Windows platform.
+   Define DHF_DOS if you are working on DOS.
+   You must define either DHF_WIN or DHF_DOS. If neither of
+   the two is defined or both a compile error is generated.
+  !!!#define DHF_WIN
+  !!!#define DHF_DOS */
 
-// Define if you want the DHF to users. Not defining DHF_GET_RES_MSG
-// leads to a decrease in code size as message strings are not included.
-//!!!#define DHF_GET_RES_MSG
+/* Define if you want the DHF to users. Not defining DHF_GET_RES_MSG
+   leads to a decrease in code size as message strings are not included.
+  !!!#define DHF_GET_RES_MSG */
 
-// Linux driver specific
-// Prevent inclusion of stdlib.h and string.h
+/* Linux driver specific
+   Prevent inclusion of stdlib.h and string.h */
 #define _INC_STDLIB
 #define _INC_STRING
 
-//-----------------------------------------------------------------------------
-// Define one or more of the following DSF #defines if you want to implement
-// the related DSF-function. Function dsf_callback must allways be implemented.
-// See file DHF.H for prototypes of the functions.
+/*-----------------------------------------------------------------------------
+   Define one or more of the following DSF #defines if you want to implement
+   the related DSF-function. Function dsf_callback must allways be implemented.
+   See file DHF.H for prototypes of the functions. */
 
-// Define DSF_ALLOC if you want to manage memory allocation and de-allocation
-// for the DHF. If DSF_ALLOC is defined you must implement dsf_alloc and dsf_free.
-//!!!#define DSF_ALLOC
+/* Define DSF_ALLOC if you want to manage memory allocation and de-allocation
+   for the DHF. If DSF_ALLOC is defined you must implement dsf_alloc and dsf_free.
+  !!!#define DSF_ALLOC */
 
-// Define DSF_CONFIRM if you want the DHF to ask the user for confirmation in a
-// number of situations. If DSF_CONFIRM is defined you must implement dsf_confirm.
-// Not defining DSF_CONFIRM leads to a decrease in code size as confirmation
-// strings are not included.
-//!!!#define DSF_CONFIRM
+/* Define DSF_CONFIRM if you want the DHF to ask the user for confirmation in a
+   number of situations. If DSF_CONFIRM is defined you must implement dsf_confirm.
+   Not defining DSF_CONFIRM leads to a decrease in code size as confirmation
+   strings are not included.
+  !!!#define DSF_CONFIRM */
 
-// Define DSF_DEBUG_MESSAGE if you want debug messages added to your output.
-// If you define DSF_DEBUG_MESSAGE then you must implement function
-// dsf_debug_message.
-//#define DSF_DEBUG_MESSAGE
+/* Define DSF_DEBUG_MESSAGE if you want debug messages added to your output.
+   If you define DSF_DEBUG_MESSAGE then you must implement function
+   dsf_debug_message.
+  #define DSF_DEBUG_MESSAGE */
 
-// Define DSF_ASSERT if you want asserts to be activated.
-// If you define DSF_ASSERT then you must implement function dsf_assert.
-//#define DBG 1
-//#define DSF_ASSERT
+/* Define DSF_ASSERT if you want asserts to be activated.
+   If you define DSF_ASSERT then you must implement function dsf_assert.
+  #define DBG 1
+  #define DSF_ASSERT */
 
-// Define DSF_DBWIN if you want asserts and debug messages to be send to a debug
-// window like SOFTICE or DebugView from SysInternals.
-//!!!#define DSF_DBWIN
-//!!! Not implemented yet!
+/* Define DSF_DBWIN if you want asserts and debug messages to be send to a debug
+   window like SOFTICE or DebugView from SysInternals.
+  !!!#define DSF_DBWIN
+  !!! Not implemented yet! */
 
-// Define DSF_VOLATILE_ONLY if you only wants to use valatile functions
-// This is a typical setting for a AP and a driver.
+/* Define DSF_VOLATILE_ONLY if you only wants to use valatile functions
+   This is a typical setting for a AP and a driver. */
 #define DSF_VOLATILE_ONLY
 
-// Define DSF_HERMESII if you want to use the DHF for the Hermes-II
+/* Define DSF_HERMESII if you want to use the DHF for the Hermes-II */
 #ifdef HERMES2
 #define DSF_HERMESII
 #else
 #undef DSF_HERMESII
-#endif // HERMES2
+#endif /* HERMES2 */
 
-// Define DSF_BINARY_FILE if you want to use the DHF in combination with
-// reading the Firmware from a separate binary file.
-//!!!#define DSF_BINARY_FILE
+/* Define DSF_BINARY_FILE if you want to use the DHF in combination with
+   reading the Firmware from a separate binary file.
+  !!!#define DSF_BINARY_FILE */
 
-#endif // DHFCFG_H
+#endif /* DHFCFG_H */

From 33f84a8f2110afbb819c8336cb73d517fc0b2891 Mon Sep 17 00:00:00 2001
From: Jonas Lundqvist <jonas@gannon.se>
Date: Tue, 16 Mar 2010 15:41:09 +0100
Subject: [PATCH 1010/3638] Staging: phison: fix incorrect tabs in phison.c

This patch fixes two incorrect tab warnings found by the checkpatch.pl
tool

Signed-off-by: Jonas Lundqvist <jonas@gannon.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/phison/phison.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/phison/phison.c b/drivers/staging/phison/phison.c
index 0c495eacb75..42783d7367e 100644
--- a/drivers/staging/phison/phison.c
+++ b/drivers/staging/phison/phison.c
@@ -23,7 +23,7 @@
 #define PHISON_DEBUG
 
 #define DRV_NAME		"phison_e-box"	/* #0003 */
-#define DRV_VERSION 		"0.91"		/* #0003 */
+#define DRV_VERSION		"0.91"		/* #0003 */
 
 #define PCI_VENDOR_ID_PHISON	0x1987
 #define PCI_DEVICE_ID_PS5000	0x5000
@@ -56,7 +56,7 @@ static int phison_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
 		.pio_mask	= 0x1f,
 		.mwdma_mask	= 0x07,
-		.udma_mask 	= ATA_UDMA5,
+		.udma_mask	= ATA_UDMA5,
 
 		.port_ops	= &phison_ops,
 	};

From 8dbe821edfbce4ad3cad2076b32745f0aa08a77e Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Thu, 18 Mar 2010 15:16:47 +0100
Subject: [PATCH 1011/3638] Staging: rtl8192su: refactored
 EnableHWSecurityConfig8192 and setKey

refactored EnableHWSecurityConfig8192 and setKey a bit by replacing
if...else if... else with switch...case

plus cosmetics

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192U_core.c | 121 ++++++++++++++----------
 1 file changed, 69 insertions(+), 52 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 7fe1cedb3e9..ca3524c850f 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -7612,96 +7612,113 @@ void rtl8192_try_wake_queue(struct net_device *dev, int pri)
 
 void EnableHWSecurityConfig8192(struct net_device *dev)
 {
-        u8 SECR_value = 0x0;
+	u8 SECR_value = 0x0;
 	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
-	 struct ieee80211_device* ieee = priv->ieee80211;
+	struct ieee80211_device *ieee = priv->ieee80211;
 
 	SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
-#if 1
-	if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
-	{
-		SECR_value |= SCR_RxUseDK;
-		SECR_value |= SCR_TxUseDK;
+	switch (ieee->pairwise_key_type) {
+	case KEY_TYPE_WEP40:
+	case KEY_TYPE_WEP104:
+		if (priv->ieee80211->auth_mode != 2) {
+			SECR_value |= SCR_RxUseDK;
+			SECR_value |= SCR_TxUseDK;
+		}
+		break;
+	case KEY_TYPE_TKIP:
+	case KEY_TYPE_CCMP:
+		if (ieee->iw_mode == IW_MODE_ADHOC) {
+			SECR_value |= SCR_RxUseDK;
+			SECR_value |= SCR_TxUseDK;
+		}
+		break;
+	default:
+		break;
 	}
-	else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
-	{
-		SECR_value |= SCR_RxUseDK;
-		SECR_value |= SCR_TxUseDK;
-	}
-#endif
-        //add HWSec active enable here.
-//default using hwsec. when peer AP is in N mode only and pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates it), use software security. when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes, use g mode hw security. WB on 2008.7.4
 
+	/*
+	 * add HWSec active enable here.
+	 * default using hwsec.
+	 * when peer AP is in N mode only and pairwise_key_type is none_aes
+	 * (which HT_IOT_ACT_PURE_N_MODE indicates it),
+	 * use software security.
+	 * when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes
+	 * use g mode hw security.
+	*/
 	ieee->hwsec_active = 1;
 
-	if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep)//!ieee->hwsec_support) //add hwsec_support flag to totol control hw_sec on/off
-	{
+	/* add hwsec_support flag to totol control hw_sec on/off */
+	if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
 		ieee->hwsec_active = 0;
 		SECR_value &= ~SCR_RxDecEnable;
 	}
 
-	RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__, \
-			ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
-	{
-                write_nic_byte(dev, SECR,  SECR_value);//SECR_value |  SCR_UseDK );
-        }
+	RT_TRACE(COMP_SEC, "%s(): hwsec: %d, pairwise_key: %d, "
+					"SECR_value: %x",
+					__func__, ieee->hwsec_active,
+					ieee->pairwise_key_type, SECR_value);
+
+	write_nic_byte(dev, SECR,  SECR_value); /* SECR_value |  SCR_UseDK ); */
 }
 
 
-void setKey(	struct net_device *dev,
+void setKey(struct net_device *dev,
 		u8 EntryNo,
 		u8 KeyIndex,
 		u16 KeyType,
 		u8 *MacAddr,
 		u8 DefaultKey,
-		u32 *KeyContent )
+		u32 *KeyContent)
 {
 	u32 TargetCommand = 0;
 	u32 TargetContent = 0;
 	u16 usConfig = 0;
 	u8 i;
-	if (EntryNo >= TOTAL_CAM_ENTRY)
-		RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
 
-	RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
+	if (EntryNo >= TOTAL_CAM_ENTRY)
+		RT_TRACE(COMP_ERR, "%s(): cam entry exceeds TOTAL_CAM_ENTRY",
+								__func__);
+
+	RT_TRACE(COMP_SEC, "%s(): dev: %p, EntryNo: %d, "
+				"KeyIndex: %d, KeyType: %d, MacAddr: %pM",
+				__func__, dev, EntryNo,
+				KeyIndex, KeyType, MacAddr);
 
 	if (DefaultKey)
-		usConfig |= BIT15 | (KeyType<<2);
+		usConfig |= BIT15 | (KeyType << 2);
 	else
-		usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
-//	usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
+		usConfig |= BIT15 | (KeyType << 2) | KeyIndex;
 
-
-	for(i=0 ; i<CAM_CONTENT_COUNT; i++){
-		TargetCommand  = i+CAM_CONTENT_COUNT*EntryNo;
+	for (i = 0 ; i < CAM_CONTENT_COUNT; i++) {
+		TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
 		TargetCommand |= BIT31|BIT16;
-
-		if(i==0){//MAC|Config
-			TargetContent = (u32)(*(MacAddr+0)) << 16|
-					(u32)(*(MacAddr+1)) << 24|
+		switch (i) {
+		case 0: /* MAC|Config */
+			TargetContent = (u32)(*(MacAddr + 0)) << 16|
+					(u32)(*(MacAddr + 1)) << 24|
 					(u32)usConfig;
 
 			write_nic_dword(dev, WCAMI, TargetContent);
 			write_nic_dword(dev, RWCAM, TargetCommand);
-	//		printk("setkey cam =%8x\n", read_cam(dev, i+6*EntryNo));
-		}
-		else if(i==1){//MAC
-                        TargetContent = (u32)(*(MacAddr+2)) 	 |
-                                        (u32)(*(MacAddr+3)) <<  8|
-                                        (u32)(*(MacAddr+4)) << 16|
-                                        (u32)(*(MacAddr+5)) << 24;
+			continue;
+		case 1: /* MAC */
+					TargetContent = (u32)(*(MacAddr + 2))|
+					(u32)(*(MacAddr + 3)) <<  8|
+					(u32)(*(MacAddr + 4)) << 16|
+					(u32)(*(MacAddr + 5)) << 24;
 			write_nic_dword(dev, WCAMI, TargetContent);
 			write_nic_dword(dev, RWCAM, TargetCommand);
-		}
-		else {
-			//Key Material
-			if(KeyContent !=NULL){
-			write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2)) );
-			write_nic_dword(dev, RWCAM, TargetCommand);
+			continue;
+		default: /* Key Material */
+			if (KeyContent != NULL) {
+				write_nic_dword(dev, WCAMI,
+						(u32)(*(KeyContent+i-2)));
+				write_nic_dword(dev, RWCAM,
+						TargetCommand);
+			}
+			continue;
 		}
 	}
-	}
-
 }
 
 /***************************************************************************

From f06ebfee1755e751f3e58ccc0b157f0fef5a72a5 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Thu, 18 Mar 2010 15:17:29 +0100
Subject: [PATCH 1012/3638] Staging: rtl8192su: refactored FirmwareDownload92S

added a new function: FirmwareRequest92S

This function(instead of FirmwareDownload92S) is now responsible for
requesting the firmware.

FirmwareDownload92S is now easier to read, smaller and follows kernel
coding style.

plus cosmetics.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192S_firmware.c | 236 +++++++++++---------
 1 file changed, 126 insertions(+), 110 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192S_firmware.c b/drivers/staging/rtl8192su/r8192S_firmware.c
index 752a3f1fb3f..b6ae8543c5c 100644
--- a/drivers/staging/rtl8192su/r8192S_firmware.c
+++ b/drivers/staging/rtl8192su/r8192S_firmware.c
@@ -338,143 +338,159 @@ void FirmwareHeaderPriveUpdate(struct net_device *dev, PRT_8192S_FIRMWARE_PRIV
 	pFwPriv->rf_config = FirmwareHeaderMapRfType(dev);
 }
 
+bool FirmwareRequest92S(struct net_device *dev, rt_firmware *pFirmware)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	bool rtStatus = true;
+	const char *pFwImageFileName[1] = {"RTL8192SU/rtl8192sfw.bin"};
+	u8 *pucMappedFile = NULL;
+	u32 ulInitStep = 0;
+	u8 FwHdrSize = RT_8192S_FIRMWARE_HDR_SIZE;
+	PRT_8192S_FIRMWARE_HDR pFwHdr = NULL;
+	u32 file_length = 0;
+	int rc;
+	const struct firmware *fw_entry;
 
+	rc = request_firmware(&fw_entry,
+				pFwImageFileName[ulInitStep],
+				&priv->udev->dev);
+	if (rc < 0)
+		goto RequestFirmware_Fail;
+
+	if (fw_entry->size > sizeof(pFirmware->szFwTmpBuffer)) {
+		RT_TRACE(COMP_ERR, "%s(): image file too large"
+					"for container buffer", __func__);
+		release_firmware(fw_entry);
+		goto RequestFirmware_Fail;
+	}
+
+	memcpy(pFirmware->szFwTmpBuffer, fw_entry->data, fw_entry->size);
+	pFirmware->szFwTmpBufferLen = fw_entry->size;
+	release_firmware(fw_entry);
+
+	pucMappedFile = pFirmware->szFwTmpBuffer;
+	file_length = pFirmware->szFwTmpBufferLen;
+
+	/* Retrieve FW header. */
+	pFirmware->pFwHeader = (PRT_8192S_FIRMWARE_HDR) pucMappedFile;
+	pFwHdr = pFirmware->pFwHeader;
+
+	RT_TRACE(COMP_FIRMWARE, "%s(): signature: %x, version: %x, "
+				"size: %x, imemsize: %x, sram size: %x",
+				__func__, pFwHdr->Signature, pFwHdr->Version,
+				pFwHdr->DMEMSize, pFwHdr->IMG_IMEM_SIZE,
+				pFwHdr->IMG_SRAM_SIZE);
+
+	pFirmware->FirmwareVersion =  byte(pFwHdr->Version , 0);
+
+	if ((pFwHdr->IMG_IMEM_SIZE == 0) ||
+			(pFwHdr->IMG_IMEM_SIZE > sizeof(pFirmware->FwIMEM))) {
+		RT_TRACE(COMP_ERR, "%s(): memory for data image is less than"
+						" IMEM requires", __func__);
+		goto RequestFirmware_Fail;
+	} else {
+		pucMappedFile += FwHdrSize;
+		/* Retrieve IMEM image. */
+		memcpy(pFirmware->FwIMEM, pucMappedFile, pFwHdr->IMG_IMEM_SIZE);
+		pFirmware->FwIMEMLen = pFwHdr->IMG_IMEM_SIZE;
+	}
+
+	if (pFwHdr->IMG_SRAM_SIZE > sizeof(pFirmware->FwEMEM)) {
+		RT_TRACE(COMP_ERR, "%s(): memory for data image is less than"
+						" EMEM requires", __func__);
+		goto RequestFirmware_Fail;
+	} else {
+		pucMappedFile += pFirmware->FwIMEMLen;
+		/* Retriecve EMEM image */
+		memcpy(pFirmware->FwEMEM, pucMappedFile, pFwHdr->IMG_SRAM_SIZE);
+		pFirmware->FwEMEMLen = pFwHdr->IMG_SRAM_SIZE;
+	}
+	return rtStatus;
+
+RequestFirmware_Fail:
+	RT_TRACE(COMP_ERR, "%s(): failed with TCR-Status: %x\n",
+					__func__, read_nic_word(dev, TCR));
+	rtStatus = false;
+	return rtStatus;
+}
 
 bool FirmwareDownload92S(struct net_device *dev)
 {
-	struct r8192_priv 	*priv = ieee80211_priv(dev);
-	bool				rtStatus = true;
-	const char 		*pFwImageFileName[1] = {"RTL8192SU/rtl8192sfw.bin"};
-	u8				*pucMappedFile = NULL;
-	u32				ulFileLength, ulInitStep = 0;
-	u8				FwHdrSize = RT_8192S_FIRMWARE_HDR_SIZE;
-	rt_firmware		*pFirmware = priv->pFirmware;
-	u8				FwStatus = FW_STATUS_INIT;
-	PRT_8192S_FIRMWARE_HDR		pFwHdr = NULL;
-	PRT_8192S_FIRMWARE_PRIV		pFwPriv = NULL;
-	int 				rc;
-	const struct firmware 	*fw_entry;
-	u32				file_length = 0;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	bool rtStatus = true;
+	u8 *pucMappedFile = NULL;
+	u32 ulFileLength;
+	u8 FwHdrSize = RT_8192S_FIRMWARE_HDR_SIZE;
+	rt_firmware *pFirmware = priv->pFirmware;
+	u8 FwStatus = FW_STATUS_INIT;
+	PRT_8192S_FIRMWARE_HDR pFwHdr = NULL;
+	PRT_8192S_FIRMWARE_PRIV pFwPriv = NULL;
 
 	pFirmware->FWStatus = FW_STATUS_INIT;
-
-	RT_TRACE(COMP_FIRMWARE, " --->FirmwareDownload92S()\n");
-
-/*
-* Load the firmware from RTL8192SU/rtl8192sfw.bin
-*/
-	if(pFirmware->szFwTmpBufferLen == 0)
-	{
-		rc = request_firmware(&fw_entry, pFwImageFileName[ulInitStep],&priv->udev->dev);
-			if(rc < 0 ) {
-				RT_TRACE(COMP_ERR, "request firmware fail!\n");
-				goto DownloadFirmware_Fail;
-			}
-
-			if(fw_entry->size > sizeof(pFirmware->szFwTmpBuffer)) {
-				RT_TRACE(COMP_ERR, "img file size exceed the container buffer fail!\n");
-				release_firmware(fw_entry);
-				goto DownloadFirmware_Fail;
-			}
-
-			memcpy(pFirmware->szFwTmpBuffer,fw_entry->data,fw_entry->size);
-			pFirmware->szFwTmpBufferLen = fw_entry->size;
-			release_firmware(fw_entry);
-
-			pucMappedFile = pFirmware->szFwTmpBuffer;
-			file_length = pFirmware->szFwTmpBufferLen;
-
-			/* Retrieve FW header. */
-			pFirmware->pFwHeader = (PRT_8192S_FIRMWARE_HDR) pucMappedFile;
-			pFwHdr = pFirmware->pFwHeader;
-			RT_TRACE(COMP_FIRMWARE,"signature:%x, version:%x, size:%x, imemsize:%x, sram size:%x\n", \
-					pFwHdr->Signature, pFwHdr->Version, pFwHdr->DMEMSize, \
-					pFwHdr->IMG_IMEM_SIZE, pFwHdr->IMG_SRAM_SIZE);
-			pFirmware->FirmwareVersion =  byte(pFwHdr->Version ,0);
-			if ((pFwHdr->IMG_IMEM_SIZE==0) || (pFwHdr->IMG_IMEM_SIZE > sizeof(pFirmware->FwIMEM))) {
-				RT_TRACE(COMP_ERR, "%s: memory for data image is less than IMEM required\n",\
-					__FUNCTION__);
-				goto DownloadFirmware_Fail;
-			} else {
-				pucMappedFile+=FwHdrSize;
-				/* Retrieve IMEM image. */
-				memcpy(pFirmware->FwIMEM, pucMappedFile, pFwHdr->IMG_IMEM_SIZE);
-				pFirmware->FwIMEMLen = pFwHdr->IMG_IMEM_SIZE;
-			}
-
-			if (pFwHdr->IMG_SRAM_SIZE > sizeof(pFirmware->FwEMEM)) {
-				RT_TRACE(COMP_ERR, "%s: memory for data image is less than EMEM required\n",\
-					__FUNCTION__);
-					goto DownloadFirmware_Fail;
-				} else {
-					pucMappedFile += pFirmware->FwIMEMLen;
-					/* Retriecve EMEM image */
-					memcpy(pFirmware->FwEMEM, pucMappedFile, pFwHdr->IMG_SRAM_SIZE);//===>6
-					pFirmware->FwEMEMLen = pFwHdr->IMG_SRAM_SIZE;
-				}
+	/*
+	 * Load the firmware from RTL8192SU/rtl8192sfw.bin if necessary
+	 */
+	if (pFirmware->szFwTmpBufferLen == 0) {
+		if (FirmwareRequest92S(dev, pFirmware) != true)
+			goto DownloadFirmware_Fail;
 	}
-
 	FwStatus = FirmwareGetNextStatus(pFirmware->FWStatus);
-	while(FwStatus!= FW_STATUS_READY)
-	{
-		// Image buffer redirection.
-		switch(FwStatus)
-		{
-			case FW_STATUS_LOAD_IMEM:
-				pucMappedFile = pFirmware->FwIMEM;
-				ulFileLength = pFirmware->FwIMEMLen;
-				break;
+	while (FwStatus != FW_STATUS_READY) {
+		/* Image buffer redirection. */
+		switch (FwStatus) {
+		case FW_STATUS_LOAD_IMEM:
+			pucMappedFile = pFirmware->FwIMEM;
+			ulFileLength = pFirmware->FwIMEMLen;
+			break;
 
-			case FW_STATUS_LOAD_EMEM:
-				pucMappedFile = pFirmware->FwEMEM;
-				ulFileLength = pFirmware->FwEMEMLen;
-				break;
+		case FW_STATUS_LOAD_EMEM:
+			pucMappedFile = pFirmware->FwEMEM;
+			ulFileLength = pFirmware->FwEMEMLen;
+			break;
 
-			case FW_STATUS_LOAD_DMEM:
-				/* <Roger_Notes> Partial update the content of header private. 2008.12.18 */
-                                pFwHdr = pFirmware->pFwHeader;
-                                pFwPriv = (PRT_8192S_FIRMWARE_PRIV)&pFwHdr->FWPriv;
-				FirmwareHeaderPriveUpdate(dev, pFwPriv);
-				pucMappedFile = (u8*)(pFirmware->pFwHeader)+RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE;
-				ulFileLength = FwHdrSize-RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE;
-				break;
+		case FW_STATUS_LOAD_DMEM:
+			/* Partial update the content of private header */
+			pFwHdr = pFirmware->pFwHeader;
+			pFwPriv = (PRT_8192S_FIRMWARE_PRIV)&pFwHdr->FWPriv;
+			FirmwareHeaderPriveUpdate(dev, pFwPriv);
+			pucMappedFile = (u8 *)(pFirmware->pFwHeader) +
+					RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE;
 
-			default:
-				RT_TRACE(COMP_ERR, "Unexpected Download step!!\n");
-				goto DownloadFirmware_Fail;
-				break;
+			ulFileLength = FwHdrSize -
+					RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE;
+			break;
+
+		default:
+			RT_TRACE(COMP_ERR, "Unexpected Download step!!\n");
+			goto DownloadFirmware_Fail;
+			break;
 		}
 
-		//3//
-		//3// <2> Download image file
-	//3	//
-		rtStatus = FirmwareDownloadCode(dev, pucMappedFile, ulFileLength);
+		/* <2> Download image file */
+
+		rtStatus = FirmwareDownloadCode(dev,
+						pucMappedFile,
+						ulFileLength);
 
 		if(rtStatus != true)
-		{
-			RT_TRACE(COMP_ERR, "FirmwareDownloadCode() fail ! \n" );
 			goto DownloadFirmware_Fail;
-		}
 
-		//3//
-		//3// <3> Check whether load FW process is ready
-	//3	//
+		/* <3> Check whether load FW process is ready */
+
 		rtStatus = FirmwareCheckReady(dev, FwStatus);
 
 		if(rtStatus != true)
-		{
-			RT_TRACE(COMP_ERR, "FirmwareDownloadCode() fail ! \n");
 			goto DownloadFirmware_Fail;
-		}
 
 		FwStatus = FirmwareGetNextStatus(pFirmware->FWStatus);
 	}
 
-	RT_TRACE(COMP_FIRMWARE, "Firmware Download Success!!\n");
+	RT_TRACE(COMP_FIRMWARE, "%s(): Firmware Download Success", __func__);
 	return rtStatus;
 
-	DownloadFirmware_Fail:
-	RT_TRACE(COMP_ERR, "Firmware Download Fail!!%x\n",read_nic_word(dev, TCR));
+DownloadFirmware_Fail:
+	RT_TRACE(COMP_ERR, "%s(): failed with TCR-Status: %x\n",
+					__func__, read_nic_word(dev, TCR));
 	rtStatus = false;
 	return rtStatus;
 }

From 8e399b0332374bb18ff8b899b1288397b52f9394 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Thu, 18 Mar 2010 15:18:12 +0100
Subject: [PATCH 1013/3638] Staging: rtl8192su: removed 2 printks in
 rtl8192SU_link_change

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192U_core.c | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index ca3524c850f..09b9edd14da 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -2595,30 +2595,20 @@ void rtl8192SU_update_ratr_table(struct net_device* dev)
 void rtl8192SU_link_change(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
-	struct ieee80211_device* ieee = priv->ieee80211;
-	//unsigned long flags;
+	struct ieee80211_device *ieee = priv->ieee80211;
 	u32 reg = 0;
 
-	printk("=====>%s 1\n", __func__);
 	reg = read_nic_dword(dev, RCR);
-
-	if (ieee->state == IEEE80211_LINKED)
-	{
-
+	if (ieee->state == IEEE80211_LINKED) {
 		rtl8192SU_net_update(dev);
 		rtl8192SU_update_ratr_table(dev);
 		ieee->SetFwCmdHandler(dev, FW_CMD_HIGH_PWR_ENABLE);
 		priv->ReceiveConfig = reg |= RCR_CBSSID;
 
-	}else{
+	} else
 		priv->ReceiveConfig = reg &= ~RCR_CBSSID;
-
-	}
-
 	write_nic_dword(dev, RCR, reg);
 	rtl8192_update_msr(dev);
-
-	printk("<=====%s 2\n", __func__);
 }
 
 static struct ieee80211_qos_parameters def_qos_parameters = {

From df35bf66eef8bf7237c12190a131a656b0b5af7d Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Thu, 18 Mar 2010 15:18:34 +0100
Subject: [PATCH 1014/3638] Staging: rtl8192su: some work on
 SetBWModeCallback8192SUsbWorkItem

mostly cosmetics.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192S_phy.c | 185 +++++++++++--------------
 1 file changed, 80 insertions(+), 105 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192S_phy.c b/drivers/staging/rtl8192su/r8192S_phy.c
index 63d4e5fd7b1..83c8aaaccd6 100644
--- a/drivers/staging/rtl8192su/r8192S_phy.c
+++ b/drivers/staging/rtl8192su/r8192S_phy.c
@@ -3607,128 +3607,103 @@ void SetBWModeCallback8192SUsb(struct net_device *dev)
 	RT_TRACE(COMP_SCAN, "<==SetBWMode8190Pci()" );
 }
 
-//
-// Callback routine of the work item for set bandwidth mode.
-//
-//    use in phy only (in win it's work)
+/*
+ * Callback routine of the work item for set bandwidth mode.
+ *
+ *    use in phy only (in win it's work)
+ */
 void SetBWModeCallback8192SUsbWorkItem(struct net_device *dev)
 {
-	struct r8192_priv 		*priv = ieee80211_priv(dev);
-	u8	 			regBwOpMode;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	u8 regBwOpMode;
+	u8 regRRSR_RSC;
 
-	// Added it for 20/40 mhz switch time evaluation by guangan 070531
-	//u32				NowL, NowH;
-	//u8Byte				BeginTime, EndTime;
-	u8			regRRSR_RSC;
+	RT_TRACE(COMP_SCAN, "%s(): Switch to %s bandwidth", __func__,
+	priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 ? "20MHz" : "40MHz");
 
-	RT_TRACE(COMP_SCAN, "==>SetBWModeCallback8192SUsbWorkItem()  Switch to %s bandwidth\n", \
-					priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20?"20MHz":"40MHz");
-
-	if(priv->rf_chip == RF_PSEUDO_11N)
-	{
+	if (priv->rf_chip == RF_PSEUDO_11N) {
 		priv->SetBWModeInProgress= FALSE;
 		return;
 	}
-
 	if(!priv->up)
 		return;
-
-	// Added it for 20/40 mhz switch time evaluation by guangan 070531
-	//NowL = read_nic_dword(dev, TSFR);
-	//NowH = read_nic_dword(dev, TSFR+4);
-	//BeginTime = ((u8Byte)NowH << 32) + NowL;
-
-	//3<1>Set MAC register
+	/* Set MAC register */
 	regBwOpMode = read_nic_byte(dev, BW_OPMODE);
 	regRRSR_RSC = read_nic_byte(dev, RRSR+2);
-
-	switch(priv->CurrentChannelBW)
-	{
-		case HT_CHANNEL_WIDTH_20:
-			regBwOpMode |= BW_OPMODE_20MHZ;
-		       // 2007/02/07 Mark by Emily becasue we have not verify whether this register works
-			write_nic_byte(dev, BW_OPMODE, regBwOpMode);
-			break;
-
-		case HT_CHANNEL_WIDTH_20_40:
-			regBwOpMode &= ~BW_OPMODE_20MHZ;
-        		// 2007/02/07 Mark by Emily becasue we have not verify whether this register works
-			write_nic_byte(dev, BW_OPMODE, regBwOpMode);
-			regRRSR_RSC = (regRRSR_RSC&0x90) |(priv->nCur40MhzPrimeSC<<5);
-			write_nic_byte(dev, RRSR+2, regRRSR_RSC);
-
-			break;
-
-		default:
-			RT_TRACE(COMP_DBG, "SetBWModeCallback8192SUsbWorkItem(): unknown Bandwidth: %#X\n",
-				 priv->CurrentChannelBW);
-			break;
+	switch (priv->CurrentChannelBW) {
+	case HT_CHANNEL_WIDTH_20:
+		regBwOpMode |= BW_OPMODE_20MHZ;
+		/* we have not verified whether this register works */
+		write_nic_byte(dev, BW_OPMODE, regBwOpMode);
+		break;
+	case HT_CHANNEL_WIDTH_20_40:
+		regBwOpMode &= ~BW_OPMODE_20MHZ;
+		/* we have not verified whether this register works */
+		write_nic_byte(dev, BW_OPMODE, regBwOpMode);
+		regRRSR_RSC = (regRRSR_RSC&0x90) | (priv->nCur40MhzPrimeSC<<5);
+		write_nic_byte(dev, RRSR+2, regRRSR_RSC);
+		break;
+	default:
+		RT_TRACE(COMP_DBG, "%s(): unknown Bandwidth: %#X", __func__,
+		priv->CurrentChannelBW);
+		break;
 	}
-
-	//3 <2>Set PHY related register
-	switch(priv->CurrentChannelBW)
-	{
-		case HT_CHANNEL_WIDTH_20:
-			rtl8192_setBBreg(dev, rFPGA0_RFMOD, bRFMOD, 0x0);
-			rtl8192_setBBreg(dev, rFPGA1_RFMOD, bRFMOD, 0x0);
-
-			rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0xff, 0x58);
-
-			break;
-		case HT_CHANNEL_WIDTH_20_40:
-			rtl8192_setBBreg(dev, rFPGA0_RFMOD, bRFMOD, 0x1);
-			rtl8192_setBBreg(dev, rFPGA1_RFMOD, bRFMOD, 0x1);
-
-			// Set Control channel to upper or lower. These settings are required only for 40MHz
-			rtl8192_setBBreg(dev, rCCK0_System, bCCKSideBand, (priv->nCur40MhzPrimeSC>>1));
-			rtl8192_setBBreg(dev, rOFDM1_LSTF, 0xC00, priv->nCur40MhzPrimeSC);
-
-			rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0xff, 0x18);
-
-			break;
-
-
-		default:
-			RT_TRACE(COMP_DBG, "SetBWModeCallback8192SUsbWorkItem(): unknown Bandwidth: %#X\n"\
-						,priv->CurrentChannelBW);
-			break;
+	/* Set PHY related register */
+	switch (priv->CurrentChannelBW) {
+	case HT_CHANNEL_WIDTH_20:
+		rtl8192_setBBreg(dev, rFPGA0_RFMOD, bRFMOD, 0x0);
+		rtl8192_setBBreg(dev, rFPGA1_RFMOD, bRFMOD, 0x0);
+		rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0xff, 0x58);
+		break;
+	case HT_CHANNEL_WIDTH_20_40:
+		rtl8192_setBBreg(dev, rFPGA0_RFMOD, bRFMOD, 0x1);
+		rtl8192_setBBreg(dev, rFPGA1_RFMOD, bRFMOD, 0x1);
+		/*
+		 * Set Control channel to upper or lower.
+		 * These settings are required only for 40MHz
+		 */
+		rtl8192_setBBreg(dev, rCCK0_System, bCCKSideBand,
+						(priv->nCur40MhzPrimeSC>>1));
+		rtl8192_setBBreg(dev, rOFDM1_LSTF, 0xC00,
+						priv->nCur40MhzPrimeSC);
+		rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0xff, 0x18);
+		break;
+	default:
+		RT_TRACE(COMP_DBG, "%s(): unknown Bandwidth: %#X", __func__,
+							priv->CurrentChannelBW);
+		break;
 
 	}
-	//Skip over setting of J-mode in BB register here. Default value is "None J mode". Emily 20070315
+	/*
+	 * Skip over setting of J-mode in BB register here.
+	 * Default value is "None J mode".
+	 */
 
-	//3<3>Set RF related register
-	switch( priv->rf_chip )
-	{
-		case RF_8225:
-			PHY_SetRF8225Bandwidth(dev, priv->CurrentChannelBW);
-			break;
-
-		case RF_8256:
-			// Please implement this function in Hal8190PciPhy8256.c
-			//PHY_SetRF8256Bandwidth(dev, priv->CurrentChannelBW);
-			break;
-
-		case RF_6052:
-			PHY_RF6052SetBandwidth(dev, priv->CurrentChannelBW);
-			break;
-
-		case RF_8258:
-			// Please implement this function in Hal8190PciPhy8258.c
-			// PHY_SetRF8258Bandwidth();
-			break;
-
-		case RF_PSEUDO_11N:
-			// Do Nothing
-			break;
-
-		default:
-			//RT_ASSERT(FALSE, ("Unknown rf_chip: %d\n", priv->rf_chip));
-			break;
+	/* Set RF related register */
+	switch (priv->rf_chip) {
+	case RF_8225:
+		PHY_SetRF8225Bandwidth(dev, priv->CurrentChannelBW);
+		break;
+	case RF_8256:
+		/* Please implement this function in Hal8190PciPhy8256.c */
+		/* PHY_SetRF8256Bandwidth(dev, priv->CurrentChannelBW); */
+		break;
+	case RF_6052:
+		PHY_RF6052SetBandwidth(dev, priv->CurrentChannelBW);
+		break;
+	case RF_8258:
+		/* Please implement this function in Hal8190PciPhy8258.c */
+		/* PHY_SetRF8258Bandwidth(); */
+		break;
+	case RF_PSEUDO_11N:
+		/* Do Nothing */
+		break;
+	default:
+		RT_TRACE(COMP_DBG, "%s(): unknown rf_chip: %d", __func__,
+								priv->rf_chip);
+		break;
 	}
-
 	priv->SetBWModeInProgress= FALSE;
-
-	RT_TRACE(COMP_SCAN, "<==SetBWModeCallback8192SUsbWorkItem()" );
 }
 
 //--------------------------Move to oter DIR later-------------------------------*/

From ebbfda1e656b9dd69bd606b1dbba28cd53dd227e Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Thu, 18 Mar 2010 15:18:56 +0100
Subject: [PATCH 1015/3638] Staging: rtl8192su: changed check_reset_cnt to be
 static again

variable check_reset_cnt in rtl819x_watchdog_wqcallback is now static
again.

also, little cosmetics.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192U_core.c | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 09b9edd14da..efba60826ad 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -5525,13 +5525,14 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 	struct net_device *dev = priv->ieee80211->dev;
 	struct ieee80211_device* ieee = priv->ieee80211;
 	RESET_TYPE ResetType = RESET_TYPE_NORESET;
-	u8 check_reset_cnt = 0;
+	static u8 check_reset_cnt;
+	u32 TotalRxBcnNum = 0;
+	u32 TotalRxDataNum = 0;
 	bool bBusyTraffic = false;
 
 	if(!priv->up)
 		return;
 	hal_dm_watchdog(dev);
-
 	/* to get busy traffic condition */
 	if (ieee->state == IEEE80211_LINKED) {
 		if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
@@ -5545,23 +5546,15 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 
 	if (priv->ieee80211->state == IEEE80211_LINKED &&
 				priv->ieee80211->iw_mode == IW_MODE_INFRA) {
-		u32 TotalRxBcnNum = 0;
-		u32 TotalRxDataNum = 0;
 		rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
 		if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
-			#ifdef TODO
-			if (rfState == eRfOff)
-				RT_TRACE(COMP_ERR, "========>%s()\n",
-								__func__);
-			#endif
-			RT_TRACE(COMP_ERR, "=>%s(): AP is power off,"
+			RT_TRACE(COMP_ERR, "%s(): AP is powered off,"
 					"connect another one\n", __func__);
 			/* Dot11d_Reset(dev); */
 			priv->ieee80211->state = IEEE80211_ASSOCIATING;
 			notify_wx_assoc_event(priv->ieee80211);
 			RemovePeerTS(priv->ieee80211,
 					priv->ieee80211->current_network.bssid);
-
 			ieee->is_roaming = true;
 			priv->ieee80211->link_change(dev);
 			queue_work(priv->ieee80211->wq,
@@ -5584,11 +5577,11 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 		(!priv->bDisableNormalResetCheck &&
 		 /* This is control by OID set in Pomelo */
 		ResetType == RESET_TYPE_SILENT)))) {
-		RT_TRACE(COMP_RESET, "%s():priv->force_reset is %d,"
+		RT_TRACE(COMP_RESET, "%s(): priv->force_reset is %d,"
 			"priv->ResetProgress is %d, "
 			"priv->bForcedSilentReset is %d, "
 			"priv->bDisableNormalResetCheck is %d, "
-			"ResetType is %d\n",
+			"ResetType is %d",
 					__func__,
 					priv->force_reset,
 					priv->ResetProgress,
@@ -5600,7 +5593,6 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 	priv->force_reset = false;
 	priv->bForcedSilentReset = false;
 	priv->bResetInProgress = false;
-	RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
 }
 
 void watch_dog_timer_callback(unsigned long data)

From 48d9356e7750d3efa3156eb3a76e7a4439774b12 Mon Sep 17 00:00:00 2001
From: Martyn Welch <martyn.welch@ge.com>
Date: Mon, 22 Mar 2010 14:58:50 +0000
Subject: [PATCH 1016/3638] Staging: vme: Use dev_err rather than printk

Replace instances of printk with dev_err where possible.

Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vme/bridges/vme_ca91cx42.c |  95 ++++++----
 drivers/staging/vme/bridges/vme_tsi148.c   | 202 ++++++++++++---------
 2 files changed, 171 insertions(+), 126 deletions(-)

diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
index b159ea58adf..589664c4d24 100644
--- a/drivers/staging/vme/bridges/vme_ca91cx42.c
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.c
@@ -94,31 +94,35 @@ static u32 ca91cx42_IACK_irqhandler(struct ca91cx42_driver *bridge)
 	return CA91CX42_LINT_SW_IACK;
 }
 
-static u32 ca91cx42_VERR_irqhandler(struct ca91cx42_driver *bridge)
+static u32 ca91cx42_VERR_irqhandler(struct vme_bridge *ca91cx42_bridge)
 {
 	int val;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	val = ioread32(bridge->base + DGCS);
 
 	if (!(val & 0x00000800)) {
-		printk(KERN_ERR "ca91c042: ca91cx42_VERR_irqhandler DMA Read "
-			"Error DGCS=%08X\n", val);
+		dev_err(ca91cx42_bridge->parent, "ca91cx42_VERR_irqhandler DMA "
+			"Read Error DGCS=%08X\n", val);
 	}
 
 	return CA91CX42_LINT_VERR;
 }
 
-static u32 ca91cx42_LERR_irqhandler(struct ca91cx42_driver *bridge)
+static u32 ca91cx42_LERR_irqhandler(struct vme_bridge *ca91cx42_bridge)
 {
 	int val;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	val = ioread32(bridge->base + DGCS);
 
-	if (!(val & 0x00000800)) {
-		printk(KERN_ERR "ca91c042: ca91cx42_LERR_irqhandler DMA Read "
-			"Error DGCS=%08X\n", val);
-
-	}
+	if (!(val & 0x00000800))
+		dev_err(ca91cx42_bridge->parent, "ca91cx42_LERR_irqhandler DMA "
+			"Read Error DGCS=%08X\n", val);
 
 	return CA91CX42_LINT_LERR;
 }
@@ -176,9 +180,9 @@ static irqreturn_t ca91cx42_irqhandler(int irq, void *ptr)
 	if (stat & CA91CX42_LINT_SW_IACK)
 		serviced |= ca91cx42_IACK_irqhandler(bridge);
 	if (stat & CA91CX42_LINT_VERR)
-		serviced |= ca91cx42_VERR_irqhandler(bridge);
+		serviced |= ca91cx42_VERR_irqhandler(ca91cx42_bridge);
 	if (stat & CA91CX42_LINT_LERR)
-		serviced |= ca91cx42_LERR_irqhandler(bridge);
+		serviced |= ca91cx42_LERR_irqhandler(ca91cx42_bridge);
 	if (stat & (CA91CX42_LINT_VIRQ1 | CA91CX42_LINT_VIRQ2 |
 			CA91CX42_LINT_VIRQ3 | CA91CX42_LINT_VIRQ4 |
 			CA91CX42_LINT_VIRQ5 | CA91CX42_LINT_VIRQ6 |
@@ -326,9 +330,12 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 	unsigned int i, addr = 0, granularity;
 	unsigned int temp_ctl = 0;
 	unsigned int vme_bound, pci_offset;
+	struct vme_bridge *ca91cx42_bridge;
 	struct ca91cx42_driver *bridge;
 
-	bridge = image->parent->driver_priv;
+	ca91cx42_bridge = image->parent;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	i = image->number;
 
@@ -353,7 +360,7 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 	case VME_USER3:
 	case VME_USER4:
 	default:
-		printk(KERN_ERR "Invalid address space\n");
+		dev_err(ca91cx42_bridge->parent, "Invalid address space\n");
 		return -EINVAL;
 		break;
 	}
@@ -371,15 +378,18 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 		granularity = 0x10000;
 
 	if (vme_base & (granularity - 1)) {
-		printk(KERN_ERR "Invalid VME base alignment\n");
+		dev_err(ca91cx42_bridge->parent, "Invalid VME base "
+			"alignment\n");
 		return -EINVAL;
 	}
 	if (vme_bound & (granularity - 1)) {
-		printk(KERN_ERR "Invalid VME bound alignment\n");
+		dev_err(ca91cx42_bridge->parent, "Invalid VME bound "
+			"alignment\n");
 		return -EINVAL;
 	}
 	if (pci_offset & (granularity - 1)) {
-		printk(KERN_ERR "Invalid PCI Offset alignment\n");
+		dev_err(ca91cx42_bridge->parent, "Invalid PCI Offset "
+			"alignment\n");
 		return -EINVAL;
 	}
 
@@ -491,7 +501,7 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 
 	/* Find pci_dev container of dev */
 	if (ca91cx42_bridge->parent == NULL) {
-		printk(KERN_ERR "Dev entry NULL\n");
+		dev_err(ca91cx42_bridge->parent, "Dev entry NULL\n");
 		return -EINVAL;
 	}
 	pdev = container_of(ca91cx42_bridge->parent, struct pci_dev, dev);
@@ -515,8 +525,8 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 	if (image->bus_resource.name == NULL) {
 		image->bus_resource.name = kmalloc(VMENAMSIZ+3, GFP_KERNEL);
 		if (image->bus_resource.name == NULL) {
-			printk(KERN_ERR "Unable to allocate memory for resource"
-				" name\n");
+			dev_err(ca91cx42_bridge->parent, "Unable to allocate "
+				"memory for resource name\n");
 			retval = -ENOMEM;
 			goto err_name;
 		}
@@ -533,8 +543,8 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 		&(image->bus_resource), size, size, PCIBIOS_MIN_MEM,
 		0, NULL, NULL);
 	if (retval) {
-		printk(KERN_ERR "Failed to allocate mem resource for "
-			"window %d size 0x%lx start 0x%lx\n",
+		dev_err(ca91cx42_bridge->parent, "Failed to allocate mem "
+			"resource for window %d size 0x%lx start 0x%lx\n",
 			image->number, (unsigned long)size,
 			(unsigned long)image->bus_resource.start);
 		goto err_resource;
@@ -543,7 +553,7 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 	image->kern_base = ioremap_nocache(
 		image->bus_resource.start, size);
 	if (image->kern_base == NULL) {
-		printk(KERN_ERR "Failed to remap resource\n");
+		dev_err(ca91cx42_bridge->parent, "Failed to remap resource\n");
 		retval = -ENOMEM;
 		goto err_remap;
 	}
@@ -582,9 +592,12 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 	unsigned int i, granularity = 0;
 	unsigned int temp_ctl = 0;
 	unsigned long long pci_bound, vme_offset, pci_base;
+	struct vme_bridge *ca91cx42_bridge;
 	struct ca91cx42_driver *bridge;
 
-	bridge = image->parent->driver_priv;
+	ca91cx42_bridge = image->parent;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	i = image->number;
 
@@ -595,12 +608,14 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 
 	/* Verify input data */
 	if (vme_base & (granularity - 1)) {
-		printk(KERN_ERR "Invalid VME Window alignment\n");
+		dev_err(ca91cx42_bridge->parent, "Invalid VME Window "
+			"alignment\n");
 		retval = -EINVAL;
 		goto err_window;
 	}
 	if (size & (granularity - 1)) {
-		printk(KERN_ERR "Invalid VME Window alignment\n");
+		dev_err(ca91cx42_bridge->parent, "Invalid VME Window "
+			"alignment\n");
 		retval = -EINVAL;
 		goto err_window;
 	}
@@ -614,8 +629,8 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 	retval = ca91cx42_alloc_resource(image, size);
 	if (retval) {
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Unable to allocate memory for resource "
-			"name\n");
+		dev_err(ca91cx42_bridge->parent, "Unable to allocate memory "
+			"for resource name\n");
 		retval = -ENOMEM;
 		goto err_res;
 	}
@@ -658,7 +673,7 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 		break;
 	default:
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Invalid data width\n");
+		dev_err(ca91cx42_bridge->parent, "Invalid data width\n");
 		retval = -EINVAL;
 		goto err_dwidth;
 		break;
@@ -690,7 +705,7 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 	case VME_USER4:
 	default:
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Invalid address space\n");
+		dev_err(ca91cx42_bridge->parent, "Invalid address space\n");
 		retval = -EINVAL;
 		goto err_aspace;
 		break;
@@ -921,12 +936,15 @@ int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 	struct vme_dma_vme *vme_attr;
 	dma_addr_t desc_ptr;
 	int retval = 0;
+	struct device *dev;
+
+	dev = list->parent->parent->parent;
 
 	/* XXX descriptor must be aligned on 64-bit boundaries */
 	entry = (struct ca91cx42_dma_entry *)
 		kmalloc(sizeof(struct ca91cx42_dma_entry), GFP_KERNEL);
 	if (entry == NULL) {
-		printk(KERN_ERR "Failed to allocate memory for dma resource "
+		dev_err(dev, "Failed to allocate memory for dma resource "
 			"structure\n");
 		retval = -ENOMEM;
 		goto err_mem;
@@ -934,7 +952,7 @@ int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 
 	/* Test descriptor alignment */
 	if ((unsigned long)&(entry->descriptor) & CA91CX42_DCPP_M) {
-		printk("Descriptor not aligned to 16 byte boundary as "
+		dev_err(dev, "Descriptor not aligned to 16 byte boundary as "
 			"required: %p\n", &(entry->descriptor));
 		retval = -EINVAL;
 		goto err_align;
@@ -955,7 +973,7 @@ int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 	if ((vme_attr->aspace & ~(VME_A16 | VME_A24 | VME_A32 | VME_USER1 |
 		VME_USER2)) != 0) {
 
-		printk(KERN_ERR "Unsupported cycle type\n");
+		dev_err(dev, "Unsupported cycle type\n");
 		retval = -EINVAL;
 		goto err_aspace;
 	}
@@ -963,7 +981,7 @@ int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 	if ((vme_attr->cycle & ~(VME_SCT | VME_BLT | VME_SUPER | VME_USER |
 		VME_PROG | VME_DATA)) != 0) {
 
-		printk(KERN_ERR "Unsupported cycle type\n");
+		dev_err(dev, "Unsupported cycle type\n");
 		retval = -EINVAL;
 		goto err_cycle;
 	}
@@ -972,7 +990,7 @@ int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 	if (!(((src->type == VME_DMA_PCI) && (dest->type == VME_DMA_VME)) ||
 		((src->type == VME_DMA_VME) && (dest->type == VME_DMA_PCI)))) {
 
-		printk(KERN_ERR "Cannot perform transfer with this "
+		dev_err(dev, "Cannot perform transfer with this "
 			"source-destination combination\n");
 		retval = -EINVAL;
 		goto err_direct;
@@ -997,7 +1015,7 @@ int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 		entry->descriptor.dctl |= CA91CX42_DCTL_VDW_D64;
 		break;
 	default:
-		printk(KERN_ERR "Invalid data width\n");
+		dev_err(dev, "Invalid data width\n");
 		return -EINVAL;
 	}
 
@@ -1019,7 +1037,7 @@ int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 		entry->descriptor.dctl |= CA91CX42_DCTL_VAS_USER2;
 		break;
 	default:
-		printk(KERN_ERR "Invalid address space\n");
+		dev_err(dev, "Invalid address space\n");
 		return -EINVAL;
 		break;
 	}
@@ -1079,12 +1097,13 @@ int ca91cx42_dma_list_exec(struct vme_dma_list *list)
 	int retval = 0;
 	dma_addr_t bus_addr;
 	u32 val;
-
+	struct device *dev;
 	struct ca91cx42_driver *bridge;
 
 	ctrlr = list->parent;
 
 	bridge = ctrlr->parent->driver_priv;
+	dev = ctrlr->parent->parent;
 
 	mutex_lock(&(ctrlr->mtx));
 
@@ -1140,7 +1159,7 @@ int ca91cx42_dma_list_exec(struct vme_dma_list *list)
 	if (val & (CA91CX42_DGCS_LERR | CA91CX42_DGCS_VERR |
 		CA91CX42_DGCS_PERR)) {
 
-		printk(KERN_ERR "ca91c042: DMA Error. DGCS=%08X\n", val);
+		dev_err(dev, "ca91c042: DMA Error. DGCS=%08X\n", val);
 		val = ioread32(bridge->base + DCTL);
 	}
 
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c
index 68f24425977..fa0dc4a869e 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.c
+++ b/drivers/staging/vme/bridges/vme_tsi148.c
@@ -137,16 +137,20 @@ static u32 tsi148_LM_irqhandler(struct tsi148_driver *bridge, u32 stat)
  *
  * XXX This functionality is not exposed up though API.
  */
-static u32 tsi148_MB_irqhandler(struct tsi148_driver *bridge, u32 stat)
+static u32 tsi148_MB_irqhandler(struct vme_bridge *tsi148_bridge, u32 stat)
 {
 	int i;
 	u32 val;
 	u32 serviced = 0;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	for (i = 0; i < 4; i++) {
 		if(stat & TSI148_LCSR_INTS_MBS[i]) {
 			val = ioread32be(bridge->base +	TSI148_GCSR_MBOX[i]);
-			printk("VME Mailbox %d received: 0x%x\n", i, val);
+			dev_err(tsi148_bridge->parent, "VME Mailbox %d received"
+				": 0x%x\n", i, val);
 			serviced |= TSI148_LCSR_INTC_MBC[i];
 		}
 	}
@@ -157,19 +161,22 @@ static u32 tsi148_MB_irqhandler(struct tsi148_driver *bridge, u32 stat)
 /*
  * Display error & status message when PERR (PCI) exception interrupt occurs.
  */
-static u32 tsi148_PERR_irqhandler(struct tsi148_driver *bridge)
+static u32 tsi148_PERR_irqhandler(struct vme_bridge *tsi148_bridge)
 {
-	printk(KERN_ERR
-		"PCI Exception at address: 0x%08x:%08x, attributes: %08x\n",
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
+
+	dev_err(tsi148_bridge->parent, "PCI Exception at address: 0x%08x:%08x, "
+		"attributes: %08x\n",
 		ioread32be(bridge->base + TSI148_LCSR_EDPAU),
 		ioread32be(bridge->base + TSI148_LCSR_EDPAL),
-		ioread32be(bridge->base + TSI148_LCSR_EDPAT)
-		);
-	printk(KERN_ERR
-		"PCI-X attribute reg: %08x, PCI-X split completion reg: %08x\n",
+		ioread32be(bridge->base + TSI148_LCSR_EDPAT));
+
+	dev_err(tsi148_bridge->parent, "PCI-X attribute reg: %08x, PCI-X split "
+		"completion reg: %08x\n",
 		ioread32be(bridge->base + TSI148_LCSR_EDPXA),
-		ioread32be(bridge->base + TSI148_LCSR_EDPXS)
-		);
+		ioread32be(bridge->base + TSI148_LCSR_EDPXS));
 
 	iowrite32be(TSI148_LCSR_EDPAT_EDPCL, bridge->base + TSI148_LCSR_EDPAT);
 
@@ -197,7 +204,8 @@ static u32 tsi148_VERR_irqhandler(struct vme_bridge *tsi148_bridge)
 
 	/* Check for exception register overflow (we have lost error data) */
 	if(error_attrib & TSI148_LCSR_VEAT_VEOF) {
-		printk(KERN_ERR "VME Bus Exception Overflow Occurred\n");
+		dev_err(tsi148_bridge->parent, "VME Bus Exception Overflow "
+			"Occurred\n");
 	}
 
 	error = (struct vme_bus_error *)kmalloc(sizeof (struct vme_bus_error),
@@ -207,11 +215,10 @@ static u32 tsi148_VERR_irqhandler(struct vme_bridge *tsi148_bridge)
 		error->attributes = error_attrib;
 		list_add_tail(&(error->list), &(tsi148_bridge->vme_errors));
 	} else {
-		printk(KERN_ERR
-			"Unable to alloc memory for VMEbus Error reporting\n");
-		printk(KERN_ERR
-			"VME Bus Error at address: 0x%llx, attributes: %08x\n",
-			error_addr, error_attrib);
+		dev_err(tsi148_bridge->parent, "Unable to alloc memory for "
+			"VMEbus Error reporting\n");
+		dev_err(tsi148_bridge->parent, "VME Bus Error at address: "
+			"0x%llx, attributes: %08x\n", error_addr, error_attrib);
 	}
 
 	/* Clear Status */
@@ -298,11 +305,11 @@ static irqreturn_t tsi148_irqhandler(int irq, void *ptr)
 	/* Mail box irqs */
 	if (stat & (TSI148_LCSR_INTS_MB3S | TSI148_LCSR_INTS_MB2S |
 			TSI148_LCSR_INTS_MB1S | TSI148_LCSR_INTS_MB0S))
-		serviced |= tsi148_MB_irqhandler(bridge, stat);
+		serviced |= tsi148_MB_irqhandler(tsi148_bridge, stat);
 
 	/* PCI bus error */
 	if (stat & TSI148_LCSR_INTS_PERRS)
-		serviced |= tsi148_PERR_irqhandler(bridge);
+		serviced |= tsi148_PERR_irqhandler(tsi148_bridge);
 
 	/* VME bus error */
 	if (stat & TSI148_LCSR_INTS_VERRS)
@@ -346,8 +353,8 @@ static int tsi148_irq_init(struct vme_bridge *tsi148_bridge)
 			     IRQF_SHARED,
 			     driver_name, tsi148_bridge);
 	if (result) {
-		dev_err(&pdev->dev, "Can't get assigned pci irq vector %02X\n",
-			pdev->irq);
+		dev_err(tsi148_bridge->parent, "Can't get assigned pci irq "
+			"vector %02X\n", pdev->irq);
 		return result;
 	}
 
@@ -568,9 +575,11 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 	unsigned int vme_bound_low, vme_bound_high;
 	unsigned int pci_offset_low, pci_offset_high;
 	unsigned long long vme_bound, pci_offset;
+	struct vme_bridge *tsi148_bridge;
 	struct tsi148_driver *bridge;
 
-	bridge = image->parent->driver_priv;
+	tsi148_bridge = image->parent;
+	bridge = tsi148_bridge->driver_priv;
 
 	i = image->number;
 
@@ -597,7 +606,7 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 	case VME_USER3:
 	case VME_USER4:
 	default:
-		printk("Invalid address space\n");
+		dev_err(tsi148_bridge->parent, "Invalid address space\n");
 		return -EINVAL;
 		break;
 	}
@@ -615,15 +624,16 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 	reg_split(pci_offset, &pci_offset_high, &pci_offset_low);
 
 	if (vme_base_low & (granularity - 1)) {
-		printk("Invalid VME base alignment\n");
+		dev_err(tsi148_bridge->parent, "Invalid VME base alignment\n");
 		return -EINVAL;
 	}
 	if (vme_bound_low & (granularity - 1)) {
-		printk("Invalid VME bound alignment\n");
+		dev_err(tsi148_bridge->parent, "Invalid VME bound alignment\n");
 		return -EINVAL;
 	}
 	if (pci_offset_low & (granularity - 1)) {
-		printk("Invalid PCI Offset alignment\n");
+		dev_err(tsi148_bridge->parent, "Invalid PCI Offset "
+			"alignment\n");
 		return -EINVAL;
 	}
 
@@ -815,12 +825,7 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 
 	tsi148_bridge = image->parent;
 
-	/* Find pci_dev container of dev */
-        if (tsi148_bridge->parent == NULL) {
-                printk("Dev entry NULL\n");
-                return -EINVAL;
-        }
-        pdev = container_of(tsi148_bridge->parent, struct pci_dev, dev);
+	pdev = container_of(tsi148_bridge->parent, struct pci_dev, dev);
 
 	existing_size = (unsigned long long)(image->bus_resource.end -
 		image->bus_resource.start);
@@ -846,8 +851,8 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 	if (image->bus_resource.name == NULL) {
 		image->bus_resource.name = kmalloc(VMENAMSIZ+3, GFP_KERNEL);
 		if (image->bus_resource.name == NULL) {
-			printk(KERN_ERR "Unable to allocate memory for resource"
-				" name\n");
+			dev_err(tsi148_bridge->parent, "Unable to allocate "
+				"memory for resource name\n");
 			retval = -ENOMEM;
 			goto err_name;
 		}
@@ -864,8 +869,8 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 		&(image->bus_resource), size, size, PCIBIOS_MIN_MEM,
 		0, NULL, NULL);
 	if (retval) {
-		printk(KERN_ERR "Failed to allocate mem resource for "
-			"window %d size 0x%lx start 0x%lx\n",
+		dev_err(tsi148_bridge->parent, "Failed to allocate mem "
+			"resource for window %d size 0x%lx start 0x%lx\n",
 			image->number, (unsigned long)size,
 			(unsigned long)image->bus_resource.start);
 		goto err_resource;
@@ -874,7 +879,7 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 	image->kern_base = ioremap_nocache(
 		image->bus_resource.start, size);
 	if (image->kern_base == NULL) {
-		printk(KERN_ERR "Failed to remap resource\n");
+		dev_err(tsi148_bridge->parent, "Failed to remap resource\n");
 		retval = -ENOMEM;
 		goto err_remap;
 	}
@@ -918,19 +923,24 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 	unsigned int pci_bound_low, pci_bound_high;
 	unsigned int vme_offset_low, vme_offset_high;
 	unsigned long long pci_bound, vme_offset, pci_base;
+	struct vme_bridge *tsi148_bridge;
 	struct tsi148_driver *bridge;
 
-	bridge = image->parent->driver_priv;
+	tsi148_bridge = image->parent;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Verify input data */
 	if (vme_base & 0xFFFF) {
-		printk(KERN_ERR "Invalid VME Window alignment\n");
+		dev_err(tsi148_bridge->parent, "Invalid VME Window "
+			"alignment\n");
 		retval = -EINVAL;
 		goto err_window;
 	}
 
 	if ((size == 0) && (enabled != 0)) {
-		printk(KERN_ERR "Size must be non-zero for enabled windows\n");
+		dev_err(tsi148_bridge->parent, "Size must be non-zero for "
+			"enabled windows\n");
 		retval = -EINVAL;
 		goto err_window;
 	}
@@ -944,7 +954,7 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 	retval = tsi148_alloc_resource(image, size);
 	if (retval) {
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Unable to allocate memory for "
+		dev_err(tsi148_bridge->parent, "Unable to allocate memory for "
 			"resource\n");
 		goto err_res;
 	}
@@ -971,19 +981,20 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 
 	if (pci_base_low & 0xFFFF) {
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Invalid PCI base alignment\n");
+		dev_err(tsi148_bridge->parent, "Invalid PCI base alignment\n");
 		retval = -EINVAL;
 		goto err_gran;
 	}
 	if (pci_bound_low & 0xFFFF) {
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Invalid PCI bound alignment\n");
+		dev_err(tsi148_bridge->parent, "Invalid PCI bound alignment\n");
 		retval = -EINVAL;
 		goto err_gran;
 	}
 	if (vme_offset_low & 0xFFFF) {
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Invalid VME Offset alignment\n");
+		dev_err(tsi148_bridge->parent, "Invalid VME Offset "
+			"alignment\n");
 		retval = -EINVAL;
 		goto err_gran;
 	}
@@ -1029,8 +1040,8 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 		temp_ctl |= TSI148_LCSR_OTAT_TM_2eSST;
 	}
 	if (cycle & VME_2eSSTB) {
-		printk(KERN_WARNING "Currently not setting Broadcast Select "
-			"Registers\n");
+		dev_warn(tsi148_bridge->parent, "Currently not setting "
+			"Broadcast Select Registers\n");
 		temp_ctl &= ~TSI148_LCSR_OTAT_TM_M;
 		temp_ctl |= TSI148_LCSR_OTAT_TM_2eSSTB;
 	}
@@ -1046,7 +1057,7 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 		break;
 	default:
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Invalid data width\n");
+		dev_err(tsi148_bridge->parent, "Invalid data width\n");
 		retval = -EINVAL;
 		goto err_dwidth;
 	}
@@ -1083,7 +1094,7 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 		break;
 	default:
 		spin_unlock(&(image->lock));
-		printk(KERN_ERR "Invalid address space\n");
+		dev_err(tsi148_bridge->parent, "Invalid address space\n");
 		retval = -EINVAL;
 		goto err_aspace;
 		break;
@@ -1353,8 +1364,8 @@ ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
 	vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
 		count);
 	if(vme_err != NULL) {
-		printk("First VME write error detected an at address 0x%llx\n",
-			vme_err->address);
+		dev_warn(tsi148_bridge->parent, "First VME write error detected"
+			" an at address 0x%llx\n", vme_err->address);
 		retval = vme_err->address - (vme_base + offset);
 		/* Clear down save errors in this address range */
 		tsi148_clear_errors(tsi148_bridge, aspace, vme_base + offset,
@@ -1428,8 +1439,8 @@ unsigned int tsi148_master_rmw(struct vme_master_resource *image,
 	return result;
 }
 
-static int tsi148_dma_set_vme_src_attributes (u32 *attr, vme_address_t aspace,
-	vme_cycle_t cycle, vme_width_t dwidth)
+static int tsi148_dma_set_vme_src_attributes(struct device *dev, u32 *attr,
+	vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth)
 {
 	/* Setup 2eSST speeds */
 	switch (cycle & (VME_2eSST160 | VME_2eSST267 | VME_2eSST320)) {
@@ -1461,7 +1472,8 @@ static int tsi148_dma_set_vme_src_attributes (u32 *attr, vme_address_t aspace,
 		*attr |= TSI148_LCSR_DSAT_TM_2eSST;
 	}
 	if (cycle & VME_2eSSTB) {
-		printk("Currently not setting Broadcast Select Registers\n");
+		dev_err(dev, "Currently not setting Broadcast Select "
+			"Registers\n");
 		*attr |= TSI148_LCSR_DSAT_TM_2eSSTB;
 	}
 
@@ -1474,7 +1486,7 @@ static int tsi148_dma_set_vme_src_attributes (u32 *attr, vme_address_t aspace,
 		*attr |= TSI148_LCSR_DSAT_DBW_32;
 		break;
 	default:
-		printk("Invalid data width\n");
+		dev_err(dev, "Invalid data width\n");
 		return -EINVAL;
 	}
 
@@ -1508,7 +1520,7 @@ static int tsi148_dma_set_vme_src_attributes (u32 *attr, vme_address_t aspace,
 		*attr |= TSI148_LCSR_DSAT_AMODE_USER4;
 		break;
 	default:
-		printk("Invalid address space\n");
+		dev_err(dev, "Invalid address space\n");
 		return -EINVAL;
 		break;
 	}
@@ -1521,8 +1533,8 @@ static int tsi148_dma_set_vme_src_attributes (u32 *attr, vme_address_t aspace,
 	return 0;
 }
 
-static int tsi148_dma_set_vme_dest_attributes(u32 *attr, vme_address_t aspace,
-	vme_cycle_t cycle, vme_width_t dwidth)
+static int tsi148_dma_set_vme_dest_attributes(struct device *dev, u32 *attr,
+	vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth)
 {
 	/* Setup 2eSST speeds */
 	switch (cycle & (VME_2eSST160 | VME_2eSST267 | VME_2eSST320)) {
@@ -1554,7 +1566,8 @@ static int tsi148_dma_set_vme_dest_attributes(u32 *attr, vme_address_t aspace,
 		*attr |= TSI148_LCSR_DDAT_TM_2eSST;
 	}
 	if (cycle & VME_2eSSTB) {
-		printk("Currently not setting Broadcast Select Registers\n");
+		dev_err(dev, "Currently not setting Broadcast Select "
+			"Registers\n");
 		*attr |= TSI148_LCSR_DDAT_TM_2eSSTB;
 	}
 
@@ -1567,7 +1580,7 @@ static int tsi148_dma_set_vme_dest_attributes(u32 *attr, vme_address_t aspace,
 		*attr |= TSI148_LCSR_DDAT_DBW_32;
 		break;
 	default:
-		printk("Invalid data width\n");
+		dev_err(dev, "Invalid data width\n");
 		return -EINVAL;
 	}
 
@@ -1601,7 +1614,7 @@ static int tsi148_dma_set_vme_dest_attributes(u32 *attr, vme_address_t aspace,
 		*attr |= TSI148_LCSR_DDAT_AMODE_USER4;
 		break;
 	default:
-		printk("Invalid address space\n");
+		dev_err(dev, "Invalid address space\n");
 		return -EINVAL;
 		break;
 	}
@@ -1627,21 +1640,25 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 	struct vme_dma_vme *vme_attr;
 	dma_addr_t desc_ptr;
 	int retval = 0;
+	struct vme_bridge *tsi148_bridge;
+
+	tsi148_bridge = list->parent->parent;
 
 	/* Descriptor must be aligned on 64-bit boundaries */
 	entry = (struct tsi148_dma_entry *)kmalloc(
 		sizeof(struct tsi148_dma_entry), GFP_KERNEL);
 	if (entry == NULL) {
-		printk("Failed to allocate memory for dma resource "
-			"structure\n");
+		dev_err(tsi148_bridge->parent, "Failed to allocate memory for "
+			"dma resource structure\n");
 		retval = -ENOMEM;
 		goto err_mem;
 	}
 
 	/* Test descriptor alignment */
 	if ((unsigned long)&(entry->descriptor) & 0x7) {
-		printk("Descriptor not aligned to 8 byte boundary as "
-			"required: %p\n", &(entry->descriptor));
+		dev_err(tsi148_bridge->parent, "Descriptor not aligned to 8 "
+			"byte boundary as required: %p\n",
+			&(entry->descriptor));
 		retval = -EINVAL;
 		goto err_align;
 	}
@@ -1686,13 +1703,13 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 		entry->descriptor.dsat = TSI148_LCSR_DSAT_TYP_VME;
 
 		retval = tsi148_dma_set_vme_src_attributes(
-			&(entry->descriptor.dsat), vme_attr->aspace,
-			vme_attr->cycle, vme_attr->dwidth);
+			tsi148_bridge->parent, &(entry->descriptor.dsat),
+			vme_attr->aspace, vme_attr->cycle, vme_attr->dwidth);
 		if(retval < 0 )
 			goto err_source;
 		break;
 	default:
-		printk("Invalid source type\n");
+		dev_err(tsi148_bridge->parent, "Invalid source type\n");
 		retval = -EINVAL;
 		goto err_source;
 		break;
@@ -1724,13 +1741,13 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 		entry->descriptor.ddat = TSI148_LCSR_DDAT_TYP_VME;
 
 		retval = tsi148_dma_set_vme_dest_attributes(
-			&(entry->descriptor.ddat), vme_attr->aspace,
-			vme_attr->cycle, vme_attr->dwidth);
+			tsi148_bridge->parent, &(entry->descriptor.ddat),
+			vme_attr->aspace, vme_attr->cycle, vme_attr->dwidth);
 		if(retval < 0 )
 			goto err_dest;
 		break;
 	default:
-		printk("Invalid destination type\n");
+		dev_err(tsi148_bridge->parent, "Invalid destination type\n");
 		retval = -EINVAL;
 		goto err_dest;
 		break;
@@ -1795,11 +1812,14 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 	dma_addr_t bus_addr;
 	u32 bus_addr_high, bus_addr_low;
 	u32 val, dctlreg = 0;
+	struct vme_bridge *tsi148_bridge;
 	struct tsi148_driver *bridge;
 
 	ctrlr = list->parent;
 
-	bridge = ctrlr->parent->driver_priv;
+	tsi148_bridge = ctrlr->parent;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	mutex_lock(&(ctrlr->mtx));
 
@@ -1847,7 +1867,7 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 		TSI148_LCSR_OFFSET_DSTA);
 
 	if (val & TSI148_LCSR_DSTA_VBE) {
-		printk(KERN_ERR "tsi148: DMA Error. DSTA=%08X\n", val);
+		dev_err(tsi148_bridge->parent, "DMA Error. DSTA=%08X\n", val);
 		retval = -EIO;
 	}
 
@@ -1891,9 +1911,12 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base,
 {
 	u32 lm_base_high, lm_base_low, lm_ctl = 0;
 	int i;
+	struct vme_bridge *tsi148_bridge;
 	struct tsi148_driver *bridge;
 
-	bridge = lm->parent->driver_priv;
+	tsi148_bridge = lm->parent;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
@@ -1901,8 +1924,8 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base,
 	for (i = 0; i < lm->monitors; i++) {
 		if (bridge->lm_callback[i] != NULL) {
 			mutex_unlock(&(lm->mtx));
-			printk("Location monitor callback attached, can't "
-				"reset\n");
+			dev_err(tsi148_bridge->parent, "Location monitor "
+				"callback attached, can't reset\n");
 			return -EBUSY;
 		}
 	}
@@ -1922,7 +1945,7 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base,
 		break;
 	default:
 		mutex_unlock(&(lm->mtx));
-		printk("Invalid address space\n");
+		dev_err(tsi148_bridge->parent, "Invalid address space\n");
 		return -EINVAL;
 		break;
 	}
@@ -2005,9 +2028,12 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor,
 	void (*callback)(int))
 {
 	u32 lm_ctl, tmp;
+	struct vme_bridge *tsi148_bridge;
 	struct tsi148_driver *bridge;
 
-	bridge = lm->parent->driver_priv;
+	tsi148_bridge = lm->parent;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
@@ -2015,14 +2041,15 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor,
 	lm_ctl = ioread32be(bridge->base + TSI148_LCSR_LMAT);
 	if ((lm_ctl & (TSI148_LCSR_LMAT_PGM | TSI148_LCSR_LMAT_DATA)) == 0) {
 		mutex_unlock(&(lm->mtx));
-		printk("Location monitor not properly configured\n");
+		dev_err(tsi148_bridge->parent, "Location monitor not properly "
+			"configured\n");
 		return -EINVAL;
 	}
 
 	/* Check that a callback isn't already attached */
 	if (bridge->lm_callback[monitor] != NULL) {
 		mutex_unlock(&(lm->mtx));
-		printk("Existing callback attached\n");
+		dev_err(tsi148_bridge->parent, "Existing callback attached\n");
 		return -EBUSY;
 	}
 
@@ -2139,8 +2166,8 @@ static int tsi148_crcsr_init(struct vme_bridge *tsi148_bridge,
 	bridge->crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
 		&(bridge->crcsr_bus));
 	if (bridge->crcsr_kernel == NULL) {
-		dev_err(&pdev->dev, "Failed to allocate memory for CR/CSR "
-			"image\n");
+		dev_err(tsi148_bridge->parent, "Failed to allocate memory for "
+			"CR/CSR image\n");
 		return -ENOMEM;
 	}
 
@@ -2159,18 +2186,18 @@ static int tsi148_crcsr_init(struct vme_bridge *tsi148_bridge,
 
 	if (cbar != vstat) {
 		cbar = vstat;
-		dev_info(&pdev->dev, "Setting CR/CSR offset\n");
+		dev_info(tsi148_bridge->parent, "Setting CR/CSR offset\n");
 		iowrite32be(cbar<<3, bridge->base + TSI148_CBAR);
 	}
-	dev_info(&pdev->dev, "CR/CSR Offset: %d\n", cbar);
+	dev_info(tsi148_bridge->parent, "CR/CSR Offset: %d\n", cbar);
 
 	crat = ioread32be(bridge->base + TSI148_LCSR_CRAT);
 	if (crat & TSI148_LCSR_CRAT_EN) {
-		dev_info(&pdev->dev, "Enabling CR/CSR space\n");
+		dev_info(tsi148_bridge->parent, "Enabling CR/CSR space\n");
 		iowrite32be(crat | TSI148_LCSR_CRAT_EN,
 			bridge->base + TSI148_LCSR_CRAT);
 	} else
-		dev_info(&pdev->dev, "CR/CSR already enabled\n");
+		dev_info(tsi148_bridge->parent, "CR/CSR already enabled\n");
 
 	/* If we want flushed, error-checked writes, set up a window
 	 * over the CR/CSR registers. We read from here to safely flush
@@ -2181,7 +2208,8 @@ static int tsi148_crcsr_init(struct vme_bridge *tsi148_bridge,
 			(vstat * 0x80000), 0x80000, VME_CRCSR, VME_SCT,
 			VME_D16);
 		if (retval)
-			dev_err(&pdev->dev, "Configuring flush image failed\n");
+			dev_err(tsi148_bridge->parent, "Configuring flush image"
+				" failed\n");
 	}
 
 	return 0;
@@ -2623,8 +2651,6 @@ static void tsi148_remove(struct pci_dev *pdev)
 static void __exit tsi148_exit(void)
 {
 	pci_unregister_driver(&tsi148_driver);
-
-	printk(KERN_DEBUG "Driver removed.\n");
 }
 
 MODULE_PARM_DESC(err_chk, "Check for VME errors on reads and writes");

From 7946328faf1dca9bfadf98f4579f95aafffaba0f Mon Sep 17 00:00:00 2001
From: Martyn Welch <martyn.welch@ge.com>
Date: Mon, 22 Mar 2010 14:58:57 +0000
Subject: [PATCH 1017/3638] Staging: vme: Correct checkpatch errors

Correct numerous checkpatch errors in the vme driver.

Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vme/bridges/vme_ca91cx42.c |   9 +-
 drivers/staging/vme/bridges/vme_tsi148.c   | 186 +++++++++------------
 drivers/staging/vme/bridges/vme_tsi148.h   |  26 +--
 3 files changed, 102 insertions(+), 119 deletions(-)

diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
index 589664c4d24..b9f986b856e 100644
--- a/drivers/staging/vme/bridges/vme_ca91cx42.c
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.c
@@ -26,9 +26,9 @@
 #include <linux/spinlock.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
-#include <asm/time.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
 
 #include "../vme.h"
 #include "../vme_bridge.h"
@@ -1684,9 +1684,8 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	dev_info(&pdev->dev, "Slot ID is %d\n",
 		ca91cx42_slot_get(ca91cx42_bridge));
 
-	if (ca91cx42_crcsr_init(ca91cx42_bridge, pdev)) {
+	if (ca91cx42_crcsr_init(ca91cx42_bridge, pdev))
 		dev_err(&pdev->dev, "CR/CSR configuration failed.\n");
-	}
 
 	/* Need to save ca91cx42_bridge pointer locally in link list for use in
 	 * ca91cx42_remove()
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c
index fa0dc4a869e..25987d4069f 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.c
+++ b/drivers/staging/vme/bridges/vme_tsi148.c
@@ -26,9 +26,9 @@
 #include <linux/spinlock.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
-#include <asm/time.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
 
 #include "../vme.h"
 #include "../vme_bridge.h"
@@ -40,27 +40,6 @@ static void tsi148_remove(struct pci_dev *);
 static void __exit tsi148_exit(void);
 
 
-int tsi148_slave_set(struct vme_slave_resource *, int, unsigned long long,
-	unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t);
-int tsi148_slave_get(struct vme_slave_resource *, int *, unsigned long long *,
-	unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *);
-
-int tsi148_master_get(struct vme_master_resource *, int *, unsigned long long *,
-        unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *);
-int tsi148_master_set(struct vme_master_resource *, int, unsigned long long,
-	unsigned long long, vme_address_t, vme_cycle_t,	vme_width_t);
-ssize_t tsi148_master_read(struct vme_master_resource *, void *, size_t,
-	loff_t);
-ssize_t tsi148_master_write(struct vme_master_resource *, void *, size_t,
-	loff_t);
-unsigned int tsi148_master_rmw(struct vme_master_resource *, unsigned int,
-	unsigned int, unsigned int, loff_t);
-int tsi148_dma_list_add (struct vme_dma_list *, struct vme_dma_attr *,
-	struct vme_dma_attr *, size_t);
-int tsi148_dma_list_exec(struct vme_dma_list *);
-int tsi148_dma_list_empty(struct vme_dma_list *);
-int tsi148_generate_irq(int, int);
-
 /* Module parameter */
 static int err_chk;
 static int geoid;
@@ -122,7 +101,7 @@ static u32 tsi148_LM_irqhandler(struct tsi148_driver *bridge, u32 stat)
 	u32 serviced = 0;
 
 	for (i = 0; i < 4; i++) {
-		if(stat & TSI148_LCSR_INTS_LMS[i]) {
+		if (stat & TSI148_LCSR_INTS_LMS[i]) {
 			/* We only enable interrupts if the callback is set */
 			bridge->lm_callback[i](i);
 			serviced |= TSI148_LCSR_INTC_LMC[i];
@@ -147,7 +126,7 @@ static u32 tsi148_MB_irqhandler(struct vme_bridge *tsi148_bridge, u32 stat)
 	bridge = tsi148_bridge->driver_priv;
 
 	for (i = 0; i < 4; i++) {
-		if(stat & TSI148_LCSR_INTS_MBS[i]) {
+		if (stat & TSI148_LCSR_INTS_MBS[i]) {
 			val = ioread32be(bridge->base +	TSI148_GCSR_MBOX[i]);
 			dev_err(tsi148_bridge->parent, "VME Mailbox %d received"
 				": 0x%x\n", i, val);
@@ -203,13 +182,12 @@ static u32 tsi148_VERR_irqhandler(struct vme_bridge *tsi148_bridge)
 	reg_join(error_addr_high, error_addr_low, &error_addr);
 
 	/* Check for exception register overflow (we have lost error data) */
-	if(error_attrib & TSI148_LCSR_VEAT_VEOF) {
+	if (error_attrib & TSI148_LCSR_VEAT_VEOF) {
 		dev_err(tsi148_bridge->parent, "VME Bus Exception Overflow "
 			"Occurred\n");
 	}
 
-	error = (struct vme_bus_error *)kmalloc(sizeof (struct vme_bus_error),
-		GFP_ATOMIC);
+	error = kmalloc(sizeof(struct vme_bus_error), GFP_ATOMIC);
 	if (error) {
 		error->address = error_addr;
 		error->attributes = error_attrib;
@@ -251,10 +229,9 @@ static u32 tsi148_VIRQ_irqhandler(struct vme_bridge *tsi148_bridge,
 	for (i = 7; i > 0; i--) {
 		if (stat & (1 << i)) {
 			/*
-			 * 	Note:   Even though the registers are defined
-			 * 	as 32-bits in the spec, we only want to issue
-			 * 	8-bit IACK cycles on the bus, read from offset
-			 * 	3.
+			 * Note: Even though the registers are defined as
+			 * 32-bits in the spec, we only want to issue 8-bit
+			 * IACK cycles on the bus, read from offset 3.
 			 */
 			vec = ioread8(bridge->base + TSI148_LCSR_VIACK[i] + 3);
 
@@ -288,9 +265,8 @@ static irqreturn_t tsi148_irqhandler(int irq, void *ptr)
 	/* Only look at unmasked interrupts */
 	stat &= enable;
 
-	if (unlikely(!stat)) {
+	if (unlikely(!stat))
 		return IRQ_NONE;
-	}
 
 	/* Call subhandlers as appropriate */
 	/* DMA irqs */
@@ -522,7 +498,9 @@ static struct vme_bus_error *tsi148_find_error(struct vme_bridge *tsi148_bridge,
 	/* Iterate through errors */
 	list_for_each(err_pos, &(tsi148_bridge->vme_errors)) {
 		vme_err = list_entry(err_pos, struct vme_bus_error, list);
-		if((vme_err->address >= address) && (vme_err->address < bound)){
+		if ((vme_err->address >= address) &&
+			(vme_err->address < bound)) {
+
 			valid = vme_err;
 			break;
 		}
@@ -555,7 +533,9 @@ static void tsi148_clear_errors(struct vme_bridge *tsi148_bridge,
 	list_for_each_safe(err_pos, temp, &(tsi148_bridge->vme_errors)) {
 		vme_err = list_entry(err_pos, struct vme_bus_error, list);
 
-		if((vme_err->address >= address) && (vme_err->address < bound)){
+		if ((vme_err->address >= address) &&
+			(vme_err->address < bound)) {
+
 			list_del(err_pos);
 			kfree(vme_err);
 		}
@@ -844,9 +824,8 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 	}
 
 	/* Exit here if size is zero */
-	if (size == 0) {
+	if (size == 0)
 		return 0;
-	}
 
 	if (image->bus_resource.name == NULL) {
 		image->bus_resource.name = kmalloc(VMENAMSIZ+3, GFP_KERNEL);
@@ -912,7 +891,7 @@ static void tsi148_free_resource(struct vme_master_resource *image)
 /*
  * Set the attributes of an outbound window.
  */
-int tsi148_master_set( struct vme_master_resource *image, int enabled,
+int tsi148_master_set(struct vme_master_resource *image, int enabled,
 	unsigned long long vme_base, unsigned long long size,
 	vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth)
 {
@@ -1148,7 +1127,7 @@ err_window:
  *
  * XXX Not parsing prefetch information.
  */
-int __tsi148_master_get( struct vme_master_resource *image, int *enabled,
+int __tsi148_master_get(struct vme_master_resource *image, int *enabled,
 	unsigned long long *vme_base, unsigned long long *size,
 	vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth)
 {
@@ -1225,17 +1204,17 @@ int __tsi148_master_get( struct vme_master_resource *image, int *enabled,
 		*cycle |= VME_2eSST320;
 
 	/* Setup cycle types */
-	if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_SCT)
+	if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_SCT)
 		*cycle |= VME_SCT;
-	if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_BLT)
+	if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_BLT)
 		*cycle |= VME_BLT;
-	if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_MBLT)
+	if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_MBLT)
 		*cycle |= VME_MBLT;
-	if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_2eVME)
+	if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_2eVME)
 		*cycle |= VME_2eVME;
-	if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_2eSST)
+	if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_2eSST)
 		*cycle |= VME_2eSST;
-	if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_2eSSTB)
+	if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_2eSSTB)
 		*cycle |= VME_2eSSTB;
 
 	if (ctl & TSI148_LCSR_OTAT_SUP)
@@ -1258,7 +1237,7 @@ int __tsi148_master_get( struct vme_master_resource *image, int *enabled,
 }
 
 
-int tsi148_master_get( struct vme_master_resource *image, int *enabled,
+int tsi148_master_get(struct vme_master_resource *image, int *enabled,
 	unsigned long long *vme_base, unsigned long long *size,
 	vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth)
 {
@@ -1300,7 +1279,7 @@ ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf,
 
 	vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
 		count);
-	if(vme_err != NULL) {
+	if (vme_err != NULL) {
 		dev_err(image->parent->parent, "First VME read error detected "
 			"an at address 0x%llx\n", vme_err->address);
 		retval = vme_err->address - (vme_base + offset);
@@ -1363,7 +1342,7 @@ ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
 
 	vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
 		count);
-	if(vme_err != NULL) {
+	if (vme_err != NULL) {
 		dev_warn(tsi148_bridge->parent, "First VME write error detected"
 			" an at address 0x%llx\n", vme_err->address);
 		retval = vme_err->address - (vme_base + offset);
@@ -1456,21 +1435,21 @@ static int tsi148_dma_set_vme_src_attributes(struct device *dev, u32 *attr,
 	}
 
 	/* Setup cycle types */
-	if (cycle & VME_SCT) {
+	if (cycle & VME_SCT)
 		*attr |= TSI148_LCSR_DSAT_TM_SCT;
-	}
-	if (cycle & VME_BLT) {
+
+	if (cycle & VME_BLT)
 		*attr |= TSI148_LCSR_DSAT_TM_BLT;
-	}
-	if (cycle & VME_MBLT) {
+
+	if (cycle & VME_MBLT)
 		*attr |= TSI148_LCSR_DSAT_TM_MBLT;
-	}
-	if (cycle & VME_2eVME) {
+
+	if (cycle & VME_2eVME)
 		*attr |= TSI148_LCSR_DSAT_TM_2eVME;
-	}
-	if (cycle & VME_2eSST) {
+
+	if (cycle & VME_2eSST)
 		*attr |= TSI148_LCSR_DSAT_TM_2eSST;
-	}
+
 	if (cycle & VME_2eSSTB) {
 		dev_err(dev, "Currently not setting Broadcast Select "
 			"Registers\n");
@@ -1550,21 +1529,21 @@ static int tsi148_dma_set_vme_dest_attributes(struct device *dev, u32 *attr,
 	}
 
 	/* Setup cycle types */
-	if (cycle & VME_SCT) {
+	if (cycle & VME_SCT)
 		*attr |= TSI148_LCSR_DDAT_TM_SCT;
-	}
-	if (cycle & VME_BLT) {
+
+	if (cycle & VME_BLT)
 		*attr |= TSI148_LCSR_DDAT_TM_BLT;
-	}
-	if (cycle & VME_MBLT) {
+
+	if (cycle & VME_MBLT)
 		*attr |= TSI148_LCSR_DDAT_TM_MBLT;
-	}
-	if (cycle & VME_2eVME) {
+
+	if (cycle & VME_2eVME)
 		*attr |= TSI148_LCSR_DDAT_TM_2eVME;
-	}
-	if (cycle & VME_2eSST) {
+
+	if (cycle & VME_2eSST)
 		*attr |= TSI148_LCSR_DDAT_TM_2eSST;
-	}
+
 	if (cycle & VME_2eSSTB) {
 		dev_err(dev, "Currently not setting Broadcast Select "
 			"Registers\n");
@@ -1630,7 +1609,7 @@ static int tsi148_dma_set_vme_dest_attributes(struct device *dev, u32 *attr,
 /*
  * Add a link list descriptor to the list
  */
-int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
+int tsi148_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 	struct vme_dma_attr *dest, size_t count)
 {
 	struct tsi148_dma_entry *entry, *prev;
@@ -1645,8 +1624,7 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 	tsi148_bridge = list->parent->parent;
 
 	/* Descriptor must be aligned on 64-bit boundaries */
-	entry = (struct tsi148_dma_entry *)kmalloc(
-		sizeof(struct tsi148_dma_entry), GFP_KERNEL);
+	entry = kmalloc(sizeof(struct tsi148_dma_entry), GFP_KERNEL);
 	if (entry == NULL) {
 		dev_err(tsi148_bridge->parent, "Failed to allocate memory for "
 			"dma resource structure\n");
@@ -1676,13 +1654,13 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 		entry->descriptor.dsal = pattern_attr->pattern;
 		entry->descriptor.dsat = TSI148_LCSR_DSAT_TYP_PAT;
 		/* Default behaviour is 32 bit pattern */
-		if (pattern_attr->type & VME_DMA_PATTERN_BYTE) {
+		if (pattern_attr->type & VME_DMA_PATTERN_BYTE)
 			entry->descriptor.dsat |= TSI148_LCSR_DSAT_PSZ;
-		}
+
 		/* It seems that the default behaviour is to increment */
-		if ((pattern_attr->type & VME_DMA_PATTERN_INCREMENT) == 0) {
+		if ((pattern_attr->type & VME_DMA_PATTERN_INCREMENT) == 0)
 			entry->descriptor.dsat |= TSI148_LCSR_DSAT_NIN;
-		}
+
 		break;
 	case VME_DMA_PCI:
 		pci_attr = (struct vme_dma_pci *)src->private;
@@ -1705,7 +1683,7 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 		retval = tsi148_dma_set_vme_src_attributes(
 			tsi148_bridge->parent, &(entry->descriptor.dsat),
 			vme_attr->aspace, vme_attr->cycle, vme_attr->dwidth);
-		if(retval < 0 )
+		if (retval < 0)
 			goto err_source;
 		break;
 	default:
@@ -1743,7 +1721,7 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 		retval = tsi148_dma_set_vme_dest_attributes(
 			tsi148_bridge->parent, &(entry->descriptor.ddat),
 			vme_attr->aspace, vme_attr->cycle, vme_attr->dwidth);
-		if(retval < 0 )
+		if (retval < 0)
 			goto err_dest;
 		break;
 	default:
@@ -1760,7 +1738,7 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 	list_add_tail(&(entry->list), &(list->entries));
 
 	/* Fill out previous descriptors "Next Address" */
-	if(entry->list.prev != &(list->entries)){
+	if (entry->list.prev != &(list->entries)) {
 		prev = list_entry(entry->list.prev, struct tsi148_dma_entry,
 			list);
 		/* We need the bus address for the pointer */
@@ -1825,7 +1803,7 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 
 	channel = ctrlr->number;
 
-	if (! list_empty(&(ctrlr->running))) {
+	if (!list_empty(&(ctrlr->running))) {
 		/*
 		 * XXX We have an active DMA transfer and currently haven't
 		 *     sorted out the mechanism for "pending" DMA transfers.
@@ -1887,7 +1865,7 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 int tsi148_dma_list_empty(struct vme_dma_list *list)
 {
 	struct list_head *pos, *temp;
-        struct tsi148_dma_entry *entry;
+	struct tsi148_dma_entry *entry;
 
 	/* detach and free each entry */
 	list_for_each_safe(pos, temp, &(list->entries)) {
@@ -1896,7 +1874,7 @@ int tsi148_dma_list_empty(struct vme_dma_list *list)
 		kfree(entry);
 	}
 
-	return (0);
+	return 0;
 }
 
 /*
@@ -1992,18 +1970,18 @@ int tsi148_lm_get(struct vme_lm_resource *lm, unsigned long long *lm_base,
 	if (lm_ctl & TSI148_LCSR_LMAT_EN)
 		enabled = 1;
 
-	if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A16) {
+	if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A16)
 		*aspace |= VME_A16;
-	}
-	if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A24) {
+
+	if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A24)
 		*aspace |= VME_A24;
-	}
-	if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A32) {
+
+	if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A32)
 		*aspace |= VME_A32;
-	}
-	if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A64) {
+
+	if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A64)
 		*aspace |= VME_A64;
-	}
+
 
 	if (lm_ctl & TSI148_LCSR_LMAT_SUPR)
 		*cycle |= VME_SUPER;
@@ -2121,7 +2099,7 @@ int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor)
  */
 int tsi148_slot_get(struct vme_bridge *tsi148_bridge)
 {
-        u32 slot = 0;
+	u32 slot = 0;
 	struct tsi148_driver *bridge;
 
 	bridge = tsi148_bridge->driver_priv;
@@ -2203,7 +2181,7 @@ static int tsi148_crcsr_init(struct vme_bridge *tsi148_bridge,
 	 * over the CR/CSR registers. We read from here to safely flush
 	 * through VME writes.
 	 */
-	if(err_chk) {
+	if (err_chk) {
 		retval = tsi148_master_set(bridge->flush_image, 1,
 			(vstat * 0x80000), 0x80000, VME_CRCSR, VME_SCT,
 			VME_D16);
@@ -2252,8 +2230,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* If we want to support more than one of each bridge, we need to
 	 * dynamically generate this so we get one per device
 	 */
-	tsi148_bridge = (struct vme_bridge *)kmalloc(sizeof(struct vme_bridge),
-		GFP_KERNEL);
+	tsi148_bridge = kmalloc(sizeof(struct vme_bridge), GFP_KERNEL);
 	if (tsi148_bridge == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for device "
 			"structure\n");
@@ -2329,7 +2306,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	 * hence have one less master window resource available.
 	 */
 	master_num = TSI148_MAX_MASTER;
-	if(err_chk){
+	if (err_chk) {
 		master_num--;
 
 		tsi148_device->flush_image = (struct vme_master_resource *)
@@ -2359,8 +2336,8 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* Add master windows to list */
 	INIT_LIST_HEAD(&(tsi148_bridge->master_resources));
 	for (i = 0; i < master_num; i++) {
-		master_image = (struct vme_master_resource *)kmalloc(
-			sizeof(struct vme_master_resource), GFP_KERNEL);
+		master_image = kmalloc(sizeof(struct vme_master_resource),
+			GFP_KERNEL);
 		if (master_image == NULL) {
 			dev_err(&pdev->dev, "Failed to allocate memory for "
 			"master resource structure\n");
@@ -2388,8 +2365,8 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* Add slave windows to list */
 	INIT_LIST_HEAD(&(tsi148_bridge->slave_resources));
 	for (i = 0; i < TSI148_MAX_SLAVE; i++) {
-		slave_image = (struct vme_slave_resource *)kmalloc(
-			sizeof(struct vme_slave_resource), GFP_KERNEL);
+		slave_image = kmalloc(sizeof(struct vme_slave_resource),
+			GFP_KERNEL);
 		if (slave_image == NULL) {
 			dev_err(&pdev->dev, "Failed to allocate memory for "
 			"slave resource structure\n");
@@ -2414,8 +2391,8 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* Add dma engines to list */
 	INIT_LIST_HEAD(&(tsi148_bridge->dma_resources));
 	for (i = 0; i < TSI148_MAX_DMA; i++) {
-		dma_ctrlr = (struct vme_dma_resource *)kmalloc(
-			sizeof(struct vme_dma_resource), GFP_KERNEL);
+		dma_ctrlr = kmalloc(sizeof(struct vme_dma_resource),
+			GFP_KERNEL);
 		if (dma_ctrlr == NULL) {
 			dev_err(&pdev->dev, "Failed to allocate memory for "
 			"dma resource structure\n");
@@ -2472,7 +2449,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	data = ioread32be(tsi148_device->base + TSI148_LCSR_VSTAT);
 	dev_info(&pdev->dev, "Board is%s the VME system controller\n",
-		(data & TSI148_LCSR_VSTAT_SCONS)? "" : " not");
+		(data & TSI148_LCSR_VSTAT_SCONS) ? "" : " not");
 	if (!geoid)
 		dev_info(&pdev->dev, "VME geographical address is %d\n",
 			data & TSI148_LCSR_VSTAT_GA_M);
@@ -2531,7 +2508,8 @@ err_slave:
 err_master:
 	/* resources are stored in link list */
 	list_for_each(pos, &(tsi148_bridge->master_resources)) {
-		master_image = list_entry(pos, struct vme_master_resource,				list);
+		master_image = list_entry(pos, struct vme_master_resource,
+			list);
 		list_del(pos);
 		kfree(master_image);
 	}
diff --git a/drivers/staging/vme/bridges/vme_tsi148.h b/drivers/staging/vme/bridges/vme_tsi148.h
index 9e5f7fa1d74..bda64ef8575 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.h
+++ b/drivers/staging/vme/bridges/vme_tsi148.h
@@ -579,7 +579,7 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
 /*
  *  Memory Base Address Lower Reg (CRG + $010)
  */
-#define TSI148_PCFS_MBARL_BASEL_M      (0xFFFFF<<12)	/* Base Addr Lower Mask */
+#define TSI148_PCFS_MBARL_BASEL_M      (0xFFFFF<<12) /* Base Addr Lower Mask */
 #define TSI148_PCFS_MBARL_PRE          (1<<3)	/* Prefetch */
 #define TSI148_PCFS_MBARL_MTYPE_M      (3<<1)	/* Memory Type Mask */
 #define TSI148_PCFS_MBARL_IOMEM        (1<<0)	/* I/O Space Indicator */
@@ -615,7 +615,8 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
  */
 #define TSI148_PCFS_PCIXSTAT_RSCEM     (1<<29)	/* Recieved Split Comp Error */
 #define TSI148_PCFS_PCIXSTAT_DMCRS_M   (7<<26)	/* max Cumulative Read Size */
-#define TSI148_PCFS_PCIXSTAT_DMOST_M   (7<<23)	/* max outstanding Split Trans */
+#define TSI148_PCFS_PCIXSTAT_DMOST_M   (7<<23)	/* max outstanding Split Trans
+						 */
 #define TSI148_PCFS_PCIXSTAT_DMMRC_M   (3<<21)	/* max mem read byte count */
 #define TSI148_PCFS_PCIXSTAT_DC        (1<<20)	/* Device Complexity */
 #define TSI148_PCFS_PCIXSTAT_USC       (1<<19)	/* Unexpected Split comp */
@@ -703,7 +704,8 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
 
 #define TSI148_LCSR_VMCTRL_RMWEN       (1<<20)	/* RMW Enable */
 
-#define TSI148_LCSR_VMCTRL_ATO_M       (7<<16)	/* Master Access Time-out Mask */
+#define TSI148_LCSR_VMCTRL_ATO_M       (7<<16)	/* Master Access Time-out Mask
+						 */
 #define TSI148_LCSR_VMCTRL_ATO_32      (0<<16)	/* 32 us */
 #define TSI148_LCSR_VMCTRL_ATO_128     (1<<16)	/* 128 us */
 #define TSI148_LCSR_VMCTRL_ATO_512     (2<<16)	/* 512 us */
@@ -733,14 +735,16 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
 #define TSI148_LCSR_VMCTRL_VTON_256    (6<<8)	/* 256us */
 #define TSI148_LCSR_VMCTRL_VTON_512    (7<<8)	/* 512us */
 
-#define TSI148_LCSR_VMCTRL_VREL_M      (3<<3)	/* VMEbus Master Rel Mode Mask */
+#define TSI148_LCSR_VMCTRL_VREL_M      (3<<3)	/* VMEbus Master Rel Mode Mask
+						 */
 #define TSI148_LCSR_VMCTRL_VREL_T_D    (0<<3)	/* Time on or Done */
 #define TSI148_LCSR_VMCTRL_VREL_T_R_D  (1<<3)	/* Time on and REQ or Done */
 #define TSI148_LCSR_VMCTRL_VREL_T_B_D  (2<<3)	/* Time on and BCLR or Done */
 #define TSI148_LCSR_VMCTRL_VREL_T_D_R  (3<<3)	/* Time on or Done and REQ */
 
 #define TSI148_LCSR_VMCTRL_VFAIR       (1<<2)	/* VMEbus Master Fair Mode */
-#define TSI148_LCSR_VMCTRL_VREQL_M     (3<<0)	/* VMEbus Master Req Level Mask */
+#define TSI148_LCSR_VMCTRL_VREQL_M     (3<<0)	/* VMEbus Master Req Level Mask
+						 */
 
 /*
  *  VMEbus Control Register CRG+$238
@@ -762,7 +766,8 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
 #define TSI148_LCSR_VCTRL_DLT_16384    (0xB<<24)	/* 16384 VCLKS */
 #define TSI148_LCSR_VCTRL_DLT_32768    (0xC<<24)	/* 32768 VCLKS */
 
-#define TSI148_LCSR_VCTRL_NERBB        (1<<20)	/* No Early Release of Bus Busy */
+#define TSI148_LCSR_VCTRL_NERBB        (1<<20)	/* No Early Release of Bus Busy
+						 */
 
 #define TSI148_LCSR_VCTRL_SRESET       (1<<17)	/* System Reset */
 #define TSI148_LCSR_VCTRL_LRESET       (1<<16)	/* Local Reset */
@@ -773,7 +778,8 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
 #define TSI148_LCSR_VCTRL_ATOEN        (1<<7)	/* Arbiter Time-out Enable */
 #define TSI148_LCSR_VCTRL_ROBIN        (1<<6)	/* VMEbus Round Robin */
 
-#define TSI148_LCSR_VCTRL_GTO_M        (7<<0)	/* VMEbus Global Time-out Mask */
+#define TSI148_LCSR_VCTRL_GTO_M        (7<<0)	/* VMEbus Global Time-out Mask
+						 */
 #define TSI148_LCSR_VCTRL_GTO_8	      (0<<0)	/* 8 us */
 #define TSI148_LCSR_VCTRL_GTO_16	      (1<<0)	/* 16 us */
 #define TSI148_LCSR_VCTRL_GTO_32	      (2<<0)	/* 32 us */
@@ -794,7 +800,7 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
 #define TSI148_LCSR_VSTAT_ACFAILS      (1<<9)	/* AC fail status */
 #define TSI148_LCSR_VSTAT_SCONS        (1<<8)	/* System Cont Status */
 #define TSI148_LCSR_VSTAT_GAP          (1<<5)	/* Geographic Addr Parity */
-#define TSI148_LCSR_VSTAT_GA_M         (0x1F<<0)	/* Geographic Addr Mask */
+#define TSI148_LCSR_VSTAT_GA_M         (0x1F<<0)  /* Geographic Addr Mask */
 
 /*
  *  PCI Configuration Status Register CRG+$240
@@ -1341,7 +1347,7 @@ static const int TSI148_LCSR_INTC_MBC[4] = { TSI148_LCSR_INTC_MB0C,
  *  DMA Next Link Address Lower
  */
 #define TSI148_LCSR_DNLAL_DNLAL_M      (0x3FFFFFF<<6)	/* Address Mask */
-#define TSI148_LCSR_DNLAL_LLA          (1<<0)	/* Last Link Address Indicator */
+#define TSI148_LCSR_DNLAL_LLA          (1<<0)  /* Last Link Address Indicator */
 
 /*
  *  DMA 2eSST Broadcast Select
@@ -1371,7 +1377,7 @@ static const int TSI148_LCSR_INTC_MBC[4] = { TSI148_LCSR_INTC_MB0C,
 #define TSI148_GCSR_GCTRL_MBI0S        (1<<0)	/* Mail box 0 Int Status */
 
 #define TSI148_GCSR_GAP                (1<<5)	/* Geographic Addr Parity */
-#define TSI148_GCSR_GA_M               (0x1F<<0)	/* Geographic Address Mask */
+#define TSI148_GCSR_GA_M               (0x1F<<0)  /* Geographic Address Mask */
 
 /*
  *  CR/CSR Register Group

From 1fe923ec740ad8d87e616afc50f5b00d88a75ed2 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 28 Apr 2010 16:40:10 -0400
Subject: [PATCH 1018/3638] Staging: vme: declare vme_bus_num_mtx static

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vme/vme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/vme/vme.c b/drivers/staging/vme/vme.c
index 934283a19ca..58aa276764f 100644
--- a/drivers/staging/vme/vme.c
+++ b/drivers/staging/vme/vme.c
@@ -36,7 +36,7 @@
 
 /* Bitmask and mutex to keep track of bridge numbers */
 static unsigned int vme_bus_numbers;
-DEFINE_MUTEX(vme_bus_num_mtx);
+static DEFINE_MUTEX(vme_bus_num_mtx);
 
 static void __exit vme_exit(void);
 static int __init vme_init(void);

From b1a5fad4c36117b1399ed65899088fcb907e2cbd Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 28 Apr 2010 16:40:11 -0400
Subject: [PATCH 1019/3638] Staging: vme: declare vme_calc_slot() as static

vme_calc_slot() is not used anywhere other than vme.c so it should be
declared as static.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vme/vme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/vme/vme.c b/drivers/staging/vme/vme.c
index 58aa276764f..093fbffbf55 100644
--- a/drivers/staging/vme/vme.c
+++ b/drivers/staging/vme/vme.c
@@ -1408,7 +1408,7 @@ EXPORT_SYMBOL(vme_unregister_driver);
 
 /* - Bus Registration ------------------------------------------------------ */
 
-int vme_calc_slot(struct device *dev)
+static int vme_calc_slot(struct device *dev)
 {
 	struct vme_bridge *bridge;
 	int num;

From c98aaf85550e314228781ba134c68bb5ca33ab6a Mon Sep 17 00:00:00 2001
From: Johan Meiring <johanmeiring@gmail.com>
Date: Sun, 28 Mar 2010 21:36:09 +0200
Subject: [PATCH 1020/3638] Staging: line6: rewrote inline comments in
 control.h

This is a patch to control.h that presents certain inline comments in a
neater way, and which eliminates the 80 character error found by the
checkpatch.pl tool.

Signed-off-by: Johan Meiring <johanmeiring@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/line6/control.h | 166 +++++++++++++++++++++++---------
 1 file changed, 123 insertions(+), 43 deletions(-)

diff --git a/drivers/staging/line6/control.h b/drivers/staging/line6/control.h
index 2f19665d95a..47e18ab6d5b 100644
--- a/drivers/staging/line6/control.h
+++ b/drivers/staging/line6/control.h
@@ -22,24 +22,44 @@
 enum {
 	POD_tweak                          =   1,
 	POD_wah_position                   =   4,
-	POD_compression_gain               =   5,  /* device: LINE6_BITS_PODXTALL */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_compression_gain               =   5,
+
 	POD_vol_pedal_position             =   7,
 	POD_compression_threshold          =   9,
 	POD_pan                            =  10,
 	POD_amp_model_setup                =  11,
-	POD_amp_model                      =  12,  /* firmware: 2.0 */
+	POD_amp_model                      =  12, /* firmware: 2.0 */
 	POD_drive                          =  13,
 	POD_bass                           =  14,
-	POD_mid                            =  15,  /* device: LINE6_BITS_PODXTALL */
-	POD_lowmid                         =  15,  /* device: LINE6_BITS_BASSPODXTALL */
-	POD_treble                         =  16,  /* device: LINE6_BITS_PODXTALL */
-	POD_highmid                        =  16,  /* device: LINE6_BITS_BASSPODXTALL */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_mid                            =  15,
+
+	 /* device: LINE6_BITS_BASSPODXTALL */
+	POD_lowmid                         =  15,
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_treble                         =  16,
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_highmid                        =  16,
+
 	POD_chan_vol                       =  17,
-	POD_reverb_mix                     =  18,  /* device: LINE6_BITS_PODXTALL */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_reverb_mix                     =  18,
+
 	POD_effect_setup                   =  19,
 	POD_band_1_frequency               =  20,  /* firmware: 2.0 */
-	POD_presence                       =  21,  /* device: LINE6_BITS_PODXTALL */
-	POD_treble__bass                   =  21,  /* device: LINE6_BITS_BASSPODXTALL */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_presence                       =  21,
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_treble__bass                   =  21,
+
 	POD_noise_gate_enable              =  22,
 	POD_gate_threshold                 =  23,
 	POD_gate_decay_time                =  24,
@@ -50,78 +70,137 @@ enum {
 	POD_mod_param_1                    =  29,
 	POD_delay_param_1                  =  30,
 	POD_delay_param_1_note_value       =  31,
-	POD_band_2_frequency__bass         =  32,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_2_frequency__bass         =  32,  /* firmware: 2.0 */
+
 	POD_delay_param_2                  =  33,
 	POD_delay_volume_mix               =  34,
 	POD_delay_param_3                  =  35,
-	POD_reverb_enable                  =  36,  /* device: LINE6_BITS_PODXTALL */
-	POD_reverb_type                    =  37,  /* device: LINE6_BITS_PODXTALL */
-	POD_reverb_decay                   =  38,  /* device: LINE6_BITS_PODXTALL */
-	POD_reverb_tone                    =  39,  /* device: LINE6_BITS_PODXTALL */
-	POD_reverb_pre_delay               =  40,  /* device: LINE6_BITS_PODXTALL */
-	POD_reverb_pre_post                =  41,  /* device: LINE6_BITS_PODXTALL */
-	POD_band_2_frequency               =  42,  /* device: LINE6_BITS_PODXTALL */     /* firmware: 2.0 */
-	POD_band_3_frequency__bass         =  42,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_reverb_enable                  =  36,
+	POD_reverb_type                    =  37,
+	POD_reverb_decay                   =  38,
+	POD_reverb_tone                    =  39,
+	POD_reverb_pre_delay               =  40,
+	POD_reverb_pre_post                =  41,
+	POD_band_2_frequency               =  42,
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_3_frequency__bass         =  42,  /* firmware: 2.0 */
+
 	POD_wah_enable                     =  43,
-	POD_modulation_lo_cut              =  44,  /* device: LINE6_BITS_BASSPODXTALL */
-	POD_delay_reverb_lo_cut            =  45,  /* device: LINE6_BITS_BASSPODXTALL */
-	POD_volume_pedal_minimum           =  46,  /* device: LINE6_BITS_PODXTALL */     /* firmware: 2.0 */
-	POD_eq_pre_post                    =  46,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_modulation_lo_cut              =  44,
+	POD_delay_reverb_lo_cut            =  45,
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_volume_pedal_minimum           =  46,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_eq_pre_post                    =  46,  /* firmware: 2.0 */
+
 	POD_volume_pre_post                =  47,
-	POD_di_model                       =  48,  /* device: LINE6_BITS_BASSPODXTALL */
-	POD_di_delay                       =  49,  /* device: LINE6_BITS_BASSPODXTALL */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_di_model                       =  48,
+	POD_di_delay                       =  49,
+
 	POD_mod_enable                     =  50,
 	POD_mod_param_1_note_value         =  51,
 	POD_mod_param_2                    =  52,
 	POD_mod_param_3                    =  53,
 	POD_mod_param_4                    =  54,
-	POD_mod_param_5                    =  55,  /* device: LINE6_BITS_BASSPODXTALL */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_mod_param_5                    =  55,
+
 	POD_mod_volume_mix                 =  56,
 	POD_mod_pre_post                   =  57,
 	POD_modulation_model               =  58,
-	POD_band_3_frequency               =  60,  /* device: LINE6_BITS_PODXTALL */     /* firmware: 2.0 */
-	POD_band_4_frequency__bass         =  60,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_band_3_frequency               =  60,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_4_frequency__bass         =  60,  /* firmware: 2.0 */
+
 	POD_mod_param_1_double_precision   =  61,
 	POD_delay_param_1_double_precision =  62,
 	POD_eq_enable                      =  63,  /* firmware: 2.0 */
 	POD_tap                            =  64,
 	POD_volume_tweak_pedal_assign      =  65,
-	POD_band_5_frequency               =  68,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_5_frequency               =  68,  /* firmware: 2.0 */
+
 	POD_tuner                          =  69,
 	POD_mic_selection                  =  70,
 	POD_cabinet_model                  =  71,
 	POD_stomp_model                    =  75,
 	POD_roomlevel                      =  76,
-	POD_band_4_frequency               =  77,  /* device: LINE6_BITS_PODXTALL */     /* firmware: 2.0 */
-	POD_band_6_frequency               =  77,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_band_4_frequency               =  77,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_6_frequency               =  77,  /* firmware: 2.0 */
+
 	POD_stomp_param_1_note_value       =  78,
 	POD_stomp_param_2                  =  79,
 	POD_stomp_param_3                  =  80,
 	POD_stomp_param_4                  =  81,
 	POD_stomp_param_5                  =  82,
 	POD_stomp_param_6                  =  83,
-	POD_amp_switch_select              =  84,  /* device: LINE6_BITS_LIVE */
+
+	/* device: LINE6_BITS_LIVE */
+	POD_amp_switch_select              =  84,
+
 	POD_delay_param_4                  =  85,
 	POD_delay_param_5                  =  86,
 	POD_delay_pre_post                 =  87,
-	POD_delay_model                    =  88,  /* device: LINE6_BITS_PODXTALL */
-	POD_delay_verb_model               =  88,  /* device: LINE6_BITS_BASSPODXTALL */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_delay_model                    =  88,
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_delay_verb_model               =  88,
+
 	POD_tempo_msb                      =  89,
 	POD_tempo_lsb                      =  90,
 	POD_wah_model                      =  91,  /* firmware: 3.0 */
 	POD_bypass_volume                  = 105,  /* firmware: 2.14 */
-	POD_fx_loop_on_off                 = 107,  /* device: LINE6_BITS_PRO */
+
+	/* device: LINE6_BITS_PRO */
+	POD_fx_loop_on_off                 = 107,
+
 	POD_tweak_param_select             = 108,
 	POD_amp1_engage                    = 111,
 	POD_band_1_gain                    = 114,  /* firmware: 2.0 */
-	POD_band_2_gain__bass              = 115,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
-	POD_band_2_gain                    = 116,  /* device: LINE6_BITS_PODXTALL */     /* firmware: 2.0 */
-	POD_band_3_gain__bass              = 116,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
-	POD_band_3_gain                    = 117,  /* device: LINE6_BITS_PODXTALL */     /* firmware: 2.0 */
-	POD_band_4_gain__bass              = 117,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
-	POD_band_5_gain__bass              = 118,  /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
-	POD_band_4_gain                    = 119,  /* device: LINE6_BITS_PODXTALL */     /* firmware: 2.0 */
-	POD_band_6_gain__bass              = 119   /* device: LINE6_BITS_BASSPODXTALL */ /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_2_gain__bass              = 115,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_band_2_gain                    = 116,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_3_gain__bass              = 116,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_band_3_gain                    = 117,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_4_gain__bass              = 117,  /* firmware: 2.0 */
+	POD_band_5_gain__bass              = 118,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_PODXTALL */
+	POD_band_4_gain                    = 119,  /* firmware: 2.0 */
+
+	/* device: LINE6_BITS_BASSPODXTALL */
+	POD_band_6_gain__bass              = 119   /* firmware: 2.0 */
 };
 
 /**
@@ -139,7 +218,8 @@ enum {
 	VARIAX_pickup2_position            =  23,  /* type: 24 bit float */
 	VARIAX_pickup2_angle               =  26,  /* type: 24 bit float */
 	VARIAX_pickup2_level               =  29,  /* type: 24 bit float */
-	VARIAX_pickup_phase                =  32,  /* 0: in phase, 1: out of phase */
+	VARIAX_pickup_phase                =  32,  /* 0: in phase,
+						      1: out of phase */
 	VARIAX_capacitance                 =  33,  /* type: 24 bit float */
 	VARIAX_tone_resistance             =  36,  /* type: 24 bit float */
 	VARIAX_volume_resistance           =  39,  /* type: 24 bit float */

From 69d5b4919f53900860e91a89599d2347827dc805 Mon Sep 17 00:00:00 2001
From: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Date: Mon, 29 Mar 2010 22:26:46 +1100
Subject: [PATCH 1021/3638] Staging: vt6656: rc4.c: Fixed coding style issues

Replaced all indentation by spaces by tabs.

Signed-off-by: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/rc4.c | 78 ++++++++++++++++++------------------
 1 file changed, 39 insertions(+), 39 deletions(-)

diff --git a/drivers/staging/vt6656/rc4.c b/drivers/staging/vt6656/rc4.c
index e6c61312fd2..64c419df932 100644
--- a/drivers/staging/vt6656/rc4.c
+++ b/drivers/staging/vt6656/rc4.c
@@ -34,54 +34,54 @@
 
 VOID rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len)
 {
-    UINT  ust1, ust2;
-    UINT  keyindex;
-    UINT  stateindex;
-    PBYTE pbyst;
-    UINT  idx;
+	UINT  ust1, ust2;
+	UINT  keyindex;
+	UINT  stateindex;
+	PBYTE pbyst;
+	UINT  idx;
 
-    pbyst = pRC4->abystate;
-    pRC4->ux = 0;
-    pRC4->uy = 0;
-    for (idx = 0; idx < 256; idx++)
-        pbyst[idx] = (BYTE)idx;
-    keyindex = 0;
-    stateindex = 0;
-    for (idx = 0; idx < 256; idx++) {
-        ust1 = pbyst[idx];
-        stateindex = (stateindex + pbyKey[keyindex] + ust1) & 0xff;
-        ust2 = pbyst[stateindex];
-        pbyst[stateindex] = (BYTE)ust1;
-        pbyst[idx] = (BYTE)ust2;
-        if (++keyindex >= cbKey_len)
-            keyindex = 0;
-    }
+	pbyst = pRC4->abystate;
+	pRC4->ux = 0;
+	pRC4->uy = 0;
+	for (idx = 0; idx < 256; idx++)
+		pbyst[idx] = (BYTE)idx;
+	keyindex = 0;
+	stateindex = 0;
+	for (idx = 0; idx < 256; idx++) {
+		ust1 = pbyst[idx];
+		stateindex = (stateindex + pbyKey[keyindex] + ust1) & 0xff;
+		ust2 = pbyst[stateindex];
+		pbyst[stateindex] = (BYTE)ust1;
+		pbyst[idx] = (BYTE)ust2;
+		if (++keyindex >= cbKey_len)
+			keyindex = 0;
+	}
 }
 
 UINT rc4_byte(PRC4Ext pRC4)
 {
-    UINT ux;
-    UINT uy;
-    UINT ustx, usty;
-    PBYTE pbyst;
+	UINT ux;
+	UINT uy;
+	UINT ustx, usty;
+	PBYTE pbyst;
 
-    pbyst = pRC4->abystate;
-    ux = (pRC4->ux + 1) & 0xff;
-    ustx = pbyst[ux];
-    uy = (ustx + pRC4->uy) & 0xff;
-    usty = pbyst[uy];
-    pRC4->ux = ux;
-    pRC4->uy = uy;
-    pbyst[uy] = (BYTE)ustx;
-    pbyst[ux] = (BYTE)usty;
+	pbyst = pRC4->abystate;
+	ux = (pRC4->ux + 1) & 0xff;
+	ustx = pbyst[ux];
+	uy = (ustx + pRC4->uy) & 0xff;
+	usty = pbyst[uy];
+	pRC4->ux = ux;
+	pRC4->uy = uy;
+	pbyst[uy] = (BYTE)ustx;
+	pbyst[ux] = (BYTE)usty;
 
-    return pbyst[(ustx + usty) & 0xff];
+	return pbyst[(ustx + usty) & 0xff];
 }
 
 VOID rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest,
-                     PBYTE pbySrc, UINT cbData_len)
+			PBYTE pbySrc, UINT cbData_len)
 {
-    UINT ii;
-    for (ii = 0; ii < cbData_len; ii++)
-        pbyDest[ii] = (BYTE)(pbySrc[ii] ^ rc4_byte(pRC4));
+	UINT ii;
+	for (ii = 0; ii < cbData_len; ii++)
+		pbyDest[ii] = (BYTE)(pbySrc[ii] ^ rc4_byte(pRC4));
 }

From f9ea02af482727d79e241dc28d69522f56f2c1a3 Mon Sep 17 00:00:00 2001
From: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Date: Mon, 29 Mar 2010 22:40:54 +1100
Subject: [PATCH 1022/3638] Staging: vt6656: control.c: Fixed coding style
 issues

Replaced lots of spaces by real tabs and fixed some 80+ lines.

Signed-off-by: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/control.c | 87 ++++++++++++++------------------
 1 file changed, 38 insertions(+), 49 deletions(-)

diff --git a/drivers/staging/vt6656/control.c b/drivers/staging/vt6656/control.c
index 7dba7710e59..8aab6718ff4 100644
--- a/drivers/staging/vt6656/control.c
+++ b/drivers/staging/vt6656/control.c
@@ -30,11 +30,13 @@
  *      CONTROLnsRequestIn - Read variable length bytes from MEM/BB/MAC/EEPROM
  *      ControlvWriteByte - Write one byte to MEM/BB/MAC/EEPROM
  *      ControlvReadByte - Read one byte from MEM/BB/MAC/EEPROM
- *      ControlvMaskByte - Read one byte from MEM/BB/MAC/EEPROM and clear/set some bits in the same address
+ *      ControlvMaskByte - Read one byte from MEM/BB/MAC/EEPROM and clear/set
+ *				some bits in the same address
  *
  * Revision History:
  *      04-05-2004 Jerry Chen:  Initial release
- *      11-24-2004 Warren Hsu: Add ControlvWriteByte,ControlvReadByte,ControlvMaskByte
+ *      11-24-2004 Warren Hsu: Add ControlvWriteByte, ControlvReadByte,
+ *					ControlvMaskByte
  *
  */
 
@@ -42,8 +44,8 @@
 #include "rndis.h"
 
 /*---------------------  Static Definitions -------------------------*/
-//static int          msglevel                =MSG_LEVEL_INFO;
-//static int          msglevel                =MSG_LEVEL_DEBUG;
+/* static int          msglevel                =MSG_LEVEL_INFO;  */
+/* static int          msglevel                =MSG_LEVEL_DEBUG; */
 /*---------------------  Static Classes  ----------------------------*/
 
 /*---------------------  Static Variables  --------------------------*/
@@ -54,56 +56,43 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-
-void ControlvWriteByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, BYTE byData)
+void ControlvWriteByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs,
+			BYTE byData)
 {
-BYTE            byData1;
-
-    byData1 = byData;
-
-    CONTROLnsRequestOut(pDevice,
-                        MESSAGE_TYPE_WRITE,
-                        byRegOfs,
-                        byRegType,
-                        1,
-                        &byData1
-                        );
-
+	BYTE	byData1;
+	byData1 = byData;
+	CONTROLnsRequestOut(pDevice,
+		MESSAGE_TYPE_WRITE,
+		byRegOfs,
+		byRegType,
+		1,
+		&byData1);
 }
 
-
-void ControlvReadByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, PBYTE pbyData)
+void ControlvReadByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs,
+			PBYTE pbyData)
 {
-NTSTATUS        ntStatus;
-BYTE            byData1;
-
-
-    ntStatus = CONTROLnsRequestIn(pDevice,
-                                    MESSAGE_TYPE_READ,
-                                    byRegOfs,
-                                    byRegType,
-                                    1,
-                                    &byData1);
-
-    *pbyData = byData1;
-
+	NTSTATUS	ntStatus;
+	BYTE	byData1;
+	ntStatus = CONTROLnsRequestIn(pDevice,
+					MESSAGE_TYPE_READ,
+					byRegOfs,
+					byRegType,
+					1,
+					&byData1);
+	*pbyData = byData1;
 }
 
-
-
-void ControlvMaskByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, BYTE byMask, BYTE byData)
+void ControlvMaskByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs,
+			BYTE byMask, BYTE byData)
 {
-BYTE            pbyData[2];
-
-    pbyData[0] = byData;
-    pbyData[1] = byMask;
-
-    CONTROLnsRequestOut(pDevice,
-                        MESSAGE_TYPE_WRITE_MASK,
-                        byRegOfs,
-                        byRegType,
-                        2,
-                        pbyData
-                        );
-
+	BYTE	pbyData[2];
+	pbyData[0] = byData;
+	pbyData[1] = byMask;
+	CONTROLnsRequestOut(pDevice,
+				MESSAGE_TYPE_WRITE_MASK,
+				byRegOfs,
+				byRegType,
+				2,
+				pbyData);
 }

From 183cd2956225ea6f83d2c46574df4607adeb3b91 Mon Sep 17 00:00:00 2001
From: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Date: Mon, 29 Mar 2010 23:20:36 +1100
Subject: [PATCH 1023/3638] Staging: vt6656: michael.c: Fixed coding style
 issues

Replaced lots of spaces by real tabs and resolved other minor issues.

Signed-off-by: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/michael.c | 177 +++++++++++++++----------------
 1 file changed, 86 insertions(+), 91 deletions(-)

diff --git a/drivers/staging/vt6656/michael.c b/drivers/staging/vt6656/michael.c
index c930e0cdb85..d4c08209a17 100644
--- a/drivers/staging/vt6656/michael.c
+++ b/drivers/staging/vt6656/michael.c
@@ -48,20 +48,23 @@
 
 /*---------------------  Static Functions  --------------------------*/
 /*
-static DWORD s_dwGetUINT32(BYTE * p);         // Get DWORD from 4 bytes LSByte first
-static VOID s_vPutUINT32(BYTE* p, DWORD val); // Put DWORD into 4 bytes LSByte first
-*/
-static VOID s_vClear(void);                       // Clear the internal message,
-                                              // resets the object to the state just after construction.
+ * static DWORD s_dwGetUINT32(BYTE * p);         Get DWORD from
+ *							4 bytes LSByte first
+ * static VOID s_vPutUINT32(BYTE* p, DWORD val); Put DWORD into
+ *							4 bytes LSByte first
+ */
+static VOID s_vClear(void);		/* Clear the internal message,
+					 * resets the object to the
+					 * state just after construction. */
 static VOID s_vSetKey(DWORD dwK0, DWORD dwK1);
-static VOID s_vAppendByte(BYTE b);            // Add a single byte to the internal message
+static VOID s_vAppendByte(BYTE b);	/* Add a single byte to the internal
+					 * message */
 
 /*---------------------  Export Variables  --------------------------*/
-static DWORD  L, R;           // Current state
-
-static DWORD  K0, K1;         // Key
-static DWORD  M;              // Message accumulator (single word)
-static UINT   nBytesInM;      // # bytes in M
+static DWORD  L, R;		/* Current state */
+static DWORD  K0, K1;		/* Key */
+static DWORD  M;		/* Message accumulator (single word) */
+static UINT   nBytesInM;	/* # bytes in M */
 
 /*---------------------  Export Functions  --------------------------*/
 
@@ -69,113 +72,105 @@ static UINT   nBytesInM;      // # bytes in M
 static DWORD s_dwGetUINT32 (BYTE * p)
 // Convert from BYTE[] to DWORD in a portable way
 {
-    DWORD res = 0;
-    UINT i;
-    for(i=0; i<4; i++ )
-    {
-        res |= (*p++) << (8*i);
-    }
-    return res;
+	DWORD res = 0;
+	UINT i;
+	for(i=0; i<4; i++ )
+		res |= (*p++) << (8*i);
+	return res;
 }
 
 static VOID s_vPutUINT32 (BYTE* p, DWORD val)
 // Convert from DWORD to BYTE[] in a portable way
 {
-    UINT i;
-    for(i=0; i<4; i++ )
-    {
-        *p++ = (BYTE) (val & 0xff);
-        val >>= 8;
-    }
+	UINT i;
+	for(i=0; i<4; i++ ) {
+		*p++ = (BYTE) (val & 0xff);
+		val >>= 8;
+	}
 }
 */
 
-static VOID s_vClear (void)
+static VOID s_vClear(void)
 {
-    // Reset the state to the empty message.
-    L = K0;
-    R = K1;
-    nBytesInM = 0;
-    M = 0;
+	/* Reset the state to the empty message. */
+	L = K0;
+	R = K1;
+	nBytesInM = 0;
+	M = 0;
 }
 
-static VOID s_vSetKey (DWORD dwK0, DWORD dwK1)
+static VOID s_vSetKey(DWORD dwK0, DWORD dwK1)
 {
-    // Set the key
-    K0 = dwK0;
-    K1 = dwK1;
-    // and reset the message
-    s_vClear();
+	/* Set the key */
+	K0 = dwK0;
+	K1 = dwK1;
+	/* and reset the message */
+	s_vClear();
 }
 
-static VOID s_vAppendByte (BYTE b)
+static VOID s_vAppendByte(BYTE b)
 {
-    // Append the byte to our word-sized buffer
-    M |= b << (8*nBytesInM);
-    nBytesInM++;
-    // Process the word if it is full.
-    if( nBytesInM >= 4 )
-    {
-        L ^= M;
-        R ^= ROL32( L, 17 );
-        L += R;
-        R ^= ((L & 0xff00ff00) >> 8) | ((L & 0x00ff00ff) << 8);
-        L += R;
-        R ^= ROL32( L, 3 );
-        L += R;
-        R ^= ROR32( L, 2 );
-        L += R;
-        // Clear the buffer
-        M = 0;
-        nBytesInM = 0;
-    }
+	/* Append the byte to our word-sized buffer */
+	M |= b << (8*nBytesInM);
+	nBytesInM++;
+	/* Process the word if it is full. */
+	if (nBytesInM >= 4) {
+		L ^= M;
+		R ^= ROL32(L, 17);
+		L += R;
+		R ^= ((L & 0xff00ff00) >> 8) | ((L & 0x00ff00ff) << 8);
+		L += R;
+		R ^= ROL32(L, 3);
+		L += R;
+		R ^= ROR32(L, 2);
+		L += R;
+		/* Clear the buffer */
+		M = 0;
+		nBytesInM = 0;
+	}
 }
 
-VOID MIC_vInit (DWORD dwK0, DWORD dwK1)
+VOID MIC_vInit(DWORD dwK0, DWORD dwK1)
 {
-    // Set the key
-    s_vSetKey(dwK0, dwK1);
+	/* Set the key */
+	s_vSetKey(dwK0, dwK1);
 }
 
 
-VOID MIC_vUnInit (void)
+VOID MIC_vUnInit(void)
 {
-    // Wipe the key material
-    K0 = 0;
-    K1 = 0;
+	/* Wipe the key material */
+	K0 = 0;
+	K1 = 0;
 
-    // And the other fields as well.
-    //Note that this sets (L,R) to (K0,K1) which is just fine.
-    s_vClear();
+	/* And the other fields as well. */
+	/* Note that this sets (L,R) to (K0,K1) which is just fine. */
+	s_vClear();
 }
 
-VOID MIC_vAppend (PBYTE src, UINT nBytes)
+VOID MIC_vAppend(PBYTE src, UINT nBytes)
 {
-    // This is simple
-    while (nBytes > 0)
-    {
-        s_vAppendByte(*src++);
-        nBytes--;
-    }
+    /* This is simple */
+	while (nBytes > 0) {
+		s_vAppendByte(*src++);
+		nBytes--;
+	}
 }
 
-VOID MIC_vGetMIC (PDWORD pdwL, PDWORD pdwR)
+VOID MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR)
 {
-    // Append the minimum padding
-    s_vAppendByte(0x5a);
-    s_vAppendByte(0);
-    s_vAppendByte(0);
-    s_vAppendByte(0);
-    s_vAppendByte(0);
-    // and then zeroes until the length is a multiple of 4
-    while( nBytesInM != 0 )
-    {
-        s_vAppendByte(0);
-    }
-    // The s_vAppendByte function has already computed the result.
-    *pdwL = L;
-    *pdwR = R;
-    // Reset to the empty message.
-    s_vClear();
+	/* Append the minimum padding */
+	s_vAppendByte(0x5a);
+	s_vAppendByte(0);
+	s_vAppendByte(0);
+	s_vAppendByte(0);
+	s_vAppendByte(0);
+	/* and then zeroes until the length is a multiple of 4 */
+	while (nBytesInM != 0)
+		s_vAppendByte(0);
+	/* The s_vAppendByte function has already computed the result. */
+	*pdwL = L;
+	*pdwR = R;
+	/* Reset to the empty message. */
+	s_vClear();
 }
-

From b77694be7547d371c2f2e1be077bffcdbfcf7b82 Mon Sep 17 00:00:00 2001
From: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Date: Mon, 29 Mar 2010 23:28:33 +1100
Subject: [PATCH 1024/3638] Staging: vt6656: tether.c: Fixed coding style
 issues

Fixed some indentation and spacing issues.

Signed-off-by: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/tether.c | 45 ++++++++++++++++-----------------
 1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/vt6656/tether.c b/drivers/staging/vt6656/tether.c
index c90b469ad54..ab1368a0838 100644
--- a/drivers/staging/vt6656/tether.c
+++ b/drivers/staging/vt6656/tether.c
@@ -61,25 +61,25 @@
  * Return Value: Hash value
  *
  */
-BYTE ETHbyGetHashIndexByCrc32 (PBYTE pbyMultiAddr)
+BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr)
 {
-    int     ii;
-    BYTE    byTmpHash;
-    BYTE    byHash = 0;
+	int     ii;
+	BYTE    byTmpHash;
+	BYTE    byHash = 0;
 
-    // get the least 6-bits from CRC generator
-    byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, U_ETHER_ADDR_LEN,
-            0xFFFFFFFFL) & 0x3F);
-    // reverse most bit to least bit
-    for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) {
-        byHash <<= 1;
-        if (byTmpHash & 0x01)
-            byHash |= 1;
-        byTmpHash >>= 1;
-    }
+	/* get the least 6-bits from CRC generator */
+	byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, U_ETHER_ADDR_LEN,
+			0xFFFFFFFFL) & 0x3F);
+	/* reverse most bit to least bit */
+	for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) {
+		byHash <<= 1;
+		if (byTmpHash & 0x01)
+			byHash |= 1;
+		byTmpHash >>= 1;
+	}
 
-    // adjust 6-bits to the right most
-    return (byHash >> 2);
+	/* adjust 6-bits to the right most */
+	return byHash >> 2;
 }
 
 
@@ -96,14 +96,13 @@ BYTE ETHbyGetHashIndexByCrc32 (PBYTE pbyMultiAddr)
  * Return Value: TRUE if ok; FALSE if error.
  *
  */
-BOOL ETHbIsBufferCrc32Ok (PBYTE pbyBuffer, UINT cbFrameLength)
+BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength)
 {
-    DWORD dwCRC;
+	DWORD dwCRC;
 
-    dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4);
-    if (cpu_to_le32(*((PDWORD)(pbyBuffer + cbFrameLength - 4))) != dwCRC) {
-        return FALSE;
-    }
-    return TRUE;
+	dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4);
+	if (cpu_to_le32(*((PDWORD)(pbyBuffer + cbFrameLength - 4))) != dwCRC)
+		return FALSE;
+	return TRUE;
 }
 

From 6dde1c6c8e2bcc8e97210d0b6388340a7cbd2afe Mon Sep 17 00:00:00 2001
From: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Date: Mon, 29 Mar 2010 23:19:20 +1100
Subject: [PATCH 1025/3638] Staging: vt6656: tcrc.c: Fixed coding style issues

Fixed minor problems with indentation.

Signed-off-by: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/tcrc.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/vt6656/tcrc.c b/drivers/staging/vt6656/tcrc.c
index 5f0c74763f8..3464801ede5 100644
--- a/drivers/staging/vt6656/tcrc.c
+++ b/drivers/staging/vt6656/tcrc.c
@@ -41,7 +41,7 @@
 
 /*---------------------  Static Variables  --------------------------*/
 
-// 32-bit CRC table
+/* 32-bit CRC table */
 static const DWORD s_adwCrc32Table[256] = {
     0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL,
     0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L,
@@ -132,17 +132,18 @@ static const DWORD s_adwCrc32Table[256] = {
  * Return Value: CRC-32
  *
 -*/
-DWORD CRCdwCrc32 (PBYTE pbyData, UINT cbByte, DWORD dwCrcSeed)
+DWORD CRCdwCrc32(PBYTE pbyData, UINT cbByte, DWORD dwCrcSeed)
 {
-    DWORD dwCrc;
+	DWORD dwCrc;
 
-    dwCrc = dwCrcSeed;
-    while (cbByte--) {
-        dwCrc = s_adwCrc32Table[(BYTE)((dwCrc ^ (*pbyData)) & 0xFF)] ^ (dwCrc >> 8);
-        pbyData++;
-    }
+	dwCrc = dwCrcSeed;
+	while (cbByte--) {
+		dwCrc = s_adwCrc32Table[(BYTE)((dwCrc ^ (*pbyData)) & 0xFF)] ^
+			(dwCrc >> 8);
+		pbyData++;
+	}
 
-    return dwCrc;
+	return dwCrc;
 }
 
 
@@ -164,7 +165,7 @@ DWORD CRCdwCrc32 (PBYTE pbyData, UINT cbByte, DWORD dwCrcSeed)
  * Return Value: CRC-32
  *
 -*/
-DWORD CRCdwGetCrc32 (PBYTE pbyData, UINT cbByte)
+DWORD CRCdwGetCrc32(PBYTE pbyData, UINT cbByte)
 {
     return ~CRCdwCrc32(pbyData, cbByte, 0xFFFFFFFFL);
 }

From ff8041bb7ca15bc5c6048e8598a896819cbec417 Mon Sep 17 00:00:00 2001
From: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Date: Tue, 30 Mar 2010 00:28:19 +1100
Subject: [PATCH 1026/3638] Staging: vt6656: int.c: Fixed Coding Style issues

Fixed almost all the issues given by checkpatch.pl except for one
warning about an 81 character line, which cannot really be decomposed
(the code is a bit too nested there).

Signed-off-by: Daniel Kenji Toyama <kenji.toyama@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/int.c | 238 ++++++++++++++++++++---------------
 1 file changed, 135 insertions(+), 103 deletions(-)

diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c
index 35053be6900..824c67de0ea 100644
--- a/drivers/staging/vt6656/int.c
+++ b/drivers/staging/vt6656/int.c
@@ -41,8 +41,8 @@
 #include "usbpipe.h"
 
 /*---------------------  Static Definitions -------------------------*/
-//static int          msglevel                =MSG_LEVEL_DEBUG;
-static int          msglevel                =MSG_LEVEL_INFO;
+/* static int msglevel = MSG_LEVEL_DEBUG; */
+static int msglevel = MSG_LEVEL_INFO;
 
 
 /*---------------------  Static Classes  ----------------------------*/
@@ -74,120 +74,152 @@ static int          msglevel                =MSG_LEVEL_INFO;
  *
  *  Notes:
  *
- *  USB reads are by nature 'Blocking', and when in a read, the device looks like it's
- *  in a 'stall' condition, so we deliberately time out every second if we've gotten no data
+ *  USB reads are by nature 'Blocking', and when in a read, the device looks
+ *  like it's in a 'stall' condition, so we deliberately time out every second
+ *  if we've gotten no data
  *
 -*/
 VOID
-INTvWorkItem(
-    PVOID Context
-    )
+INTvWorkItem(PVOID Context)
 {
-    PSDevice pDevice = (PSDevice) Context;
-    NTSTATUS ntStatus;
+	PSDevice pDevice = (PSDevice) Context;
+	NTSTATUS ntStatus;
 
-    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Interrupt Polling Thread\n");
-
-    spin_lock_irq(&pDevice->lock);
-    if (pDevice->fKillEventPollingThread != TRUE) {
-        ntStatus = PIPEnsInterruptRead(pDevice);
-    }
-    spin_unlock_irq(&pDevice->lock);
-
- }
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Interrupt Polling Thread\n");
 
+	spin_lock_irq(&pDevice->lock);
+	if (pDevice->fKillEventPollingThread != TRUE)
+		ntStatus = PIPEnsInterruptRead(pDevice);
+	spin_unlock_irq(&pDevice->lock);
+}
 
 NTSTATUS
-INTnsProcessData(
-    IN  PSDevice pDevice
-    )
+INTnsProcessData(IN  PSDevice pDevice)
 {
-    NTSTATUS        status = STATUS_SUCCESS;
-    PSINTData       pINTData;
-    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    struct net_device_stats* pStats = &pDevice->stats;
+	NTSTATUS	status = STATUS_SUCCESS;
+	PSINTData	pINTData;
+	PSMgmtObject	pMgmt = &(pDevice->sMgmtObj);
+	struct net_device_stats *pStats = &pDevice->stats;
 
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsInterruptProcessData\n");
 
-    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsInterruptProcessData\n");
+	pINTData = (PSINTData) pDevice->intBuf.pDataBuf;
+	if (pINTData->byTSR0 & TSR_VALID) {
+		STAvUpdateTDStatCounter(&(pDevice->scStatistic),
+					(BYTE) (pINTData->byPkt0 & 0x0F),
+					(BYTE) (pINTData->byPkt0>>4),
+					pINTData->byTSR0);
+		BSSvUpdateNodeTxCounter(pDevice,
+					&(pDevice->scStatistic),
+					pINTData->byTSR0,
+					pINTData->byPkt0);
+		/*DBG_PRN_GRP01(("TSR0 %02x\n", pINTData->byTSR0));*/
+	}
+	if (pINTData->byTSR1 & TSR_VALID) {
+		STAvUpdateTDStatCounter(&(pDevice->scStatistic),
+					(BYTE) (pINTData->byPkt1 & 0x0F),
+					(BYTE) (pINTData->byPkt1>>4),
+					pINTData->byTSR1);
+		BSSvUpdateNodeTxCounter(pDevice,
+					&(pDevice->scStatistic),
+					pINTData->byTSR1,
+					pINTData->byPkt1);
+		/*DBG_PRN_GRP01(("TSR1 %02x\n", pINTData->byTSR1));*/
+	}
+	if (pINTData->byTSR2 & TSR_VALID) {
+		STAvUpdateTDStatCounter(&(pDevice->scStatistic),
+					(BYTE) (pINTData->byPkt2 & 0x0F),
+					(BYTE) (pINTData->byPkt2>>4),
+					pINTData->byTSR2);
+		BSSvUpdateNodeTxCounter(pDevice,
+					&(pDevice->scStatistic),
+					pINTData->byTSR2,
+					pINTData->byPkt2);
+		/*DBG_PRN_GRP01(("TSR2 %02x\n", pINTData->byTSR2));*/
+	}
+	if (pINTData->byTSR3 & TSR_VALID) {
+		STAvUpdateTDStatCounter(&(pDevice->scStatistic),
+					(BYTE) (pINTData->byPkt3 & 0x0F),
+					(BYTE) (pINTData->byPkt3>>4),
+					pINTData->byTSR3);
+		BSSvUpdateNodeTxCounter(pDevice,
+					&(pDevice->scStatistic),
+					pINTData->byTSR3,
+					pINTData->byPkt3);
+		/*DBG_PRN_GRP01(("TSR3 %02x\n", pINTData->byTSR3));*/
+	}
+	if (pINTData->byISR0 != 0) {
+		if (pINTData->byISR0 & ISR_BNTX) {
+			if (pDevice->eOPMode == OP_MODE_AP) {
+				if (pMgmt->byDTIMCount > 0) {
+					pMgmt->byDTIMCount--;
+					pMgmt->sNodeDBTable[0].bRxPSPoll =
+						FALSE;
+				} else if (pMgmt->byDTIMCount == 0) {
+					/* check if mutltcast tx bufferring */
+					pMgmt->byDTIMCount =
+						pMgmt->byDTIMPeriod-1;
+					pMgmt->sNodeDBTable[0].bRxPSPoll = TRUE;
+					if (pMgmt->sNodeDBTable[0].bPSEnable)
+						bScheduleCommand((HANDLE)pDevice,
+							WLAN_CMD_RX_PSPOLL,
+							NULL);
+				}
+				bScheduleCommand((HANDLE)pDevice,
+						WLAN_CMD_BECON_SEND,
+						NULL);
+			} /* if (pDevice->eOPMode == OP_MODE_AP) */
+		pDevice->bBeaconSent = TRUE;
+		} else {
+			pDevice->bBeaconSent = FALSE;
+		}
+		if (pINTData->byISR0 & ISR_TBTT) {
+			if (pDevice->bEnablePSMode)
+				bScheduleCommand((HANDLE) pDevice,
+						WLAN_CMD_TBTT_WAKEUP,
+						NULL);
+			if (pDevice->bChannelSwitch) {
+				pDevice->byChannelSwitchCount--;
+				if (pDevice->byChannelSwitchCount == 0)
+					bScheduleCommand((HANDLE) pDevice,
+							WLAN_CMD_11H_CHSW,
+							NULL);
+			}
+		}
+		LODWORD(pDevice->qwCurrTSF) = pINTData->dwLoTSF;
+		HIDWORD(pDevice->qwCurrTSF) = pINTData->dwHiTSF;
+		/*DBG_PRN_GRP01(("ISR0 = %02x ,
+				LoTsf =  %08x,
+				HiTsf =  %08x\n",
+				pINTData->byISR0,
+				pINTData->dwLoTSF,
+				pINTData->dwHiTSF)); */
 
-    pINTData = (PSINTData) pDevice->intBuf.pDataBuf;
-    if (pINTData->byTSR0 & TSR_VALID) {
-        STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt0 & 0x0F), (BYTE) (pINTData->byPkt0>>4), pINTData->byTSR0);
-        BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic),  pINTData->byTSR0, pINTData->byPkt0);
-        //DBG_PRN_GRP01(("TSR0 %02x\n", pINTData->byTSR0));
-    }
-    if (pINTData->byTSR1 & TSR_VALID) {
-        STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt1 & 0x0F), (BYTE) (pINTData->byPkt1>>4), pINTData->byTSR1);
-        BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic),  pINTData->byTSR1, pINTData->byPkt1);
-        //DBG_PRN_GRP01(("TSR1 %02x\n", pINTData->byTSR1));
-    }
-    if (pINTData->byTSR2 & TSR_VALID) {
-        STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt2 & 0x0F), (BYTE) (pINTData->byPkt2>>4), pINTData->byTSR2);
-        BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic),  pINTData->byTSR2, pINTData->byPkt2);
-        //DBG_PRN_GRP01(("TSR2 %02x\n", pINTData->byTSR2));
-    }
-    if (pINTData->byTSR3 & TSR_VALID) {
-        STAvUpdateTDStatCounter (&(pDevice->scStatistic), (BYTE) (pINTData->byPkt3 & 0x0F), (BYTE) (pINTData->byPkt3>>4), pINTData->byTSR3);
-        BSSvUpdateNodeTxCounter (pDevice, &(pDevice->scStatistic),  pINTData->byTSR3, pINTData->byPkt3);
-        //DBG_PRN_GRP01(("TSR3 %02x\n", pINTData->byTSR3));
-    }
-    if ( pINTData->byISR0 != 0 ) {
-        if (pINTData->byISR0 & ISR_BNTX) {
+		STAvUpdate802_11Counter(&pDevice->s802_11Counter,
+					&pDevice->scStatistic,
+					pINTData->byRTSSuccess,
+					pINTData->byRTSFail,
+					pINTData->byACKFail,
+					pINTData->byFCSErr);
+		STAvUpdateIsrStatCounter(&pDevice->scStatistic,
+					pINTData->byISR0,
+					pINTData->byISR1);
+	}
 
-            if (pDevice->eOPMode == OP_MODE_AP) {
-                if(pMgmt->byDTIMCount > 0) {
-                    pMgmt->byDTIMCount --;
-                    pMgmt->sNodeDBTable[0].bRxPSPoll = FALSE;
-                } else if(pMgmt->byDTIMCount == 0) {
-                    // check if mutltcast tx bufferring
-                    pMgmt->byDTIMCount = pMgmt->byDTIMPeriod - 1;
-                    pMgmt->sNodeDBTable[0].bRxPSPoll = TRUE;
-                    if (pMgmt->sNodeDBTable[0].bPSEnable) {
-                        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
-                    }
-                }
-                bScheduleCommand((HANDLE)pDevice, WLAN_CMD_BECON_SEND, NULL);
-            } // if (pDevice->eOPMode == OP_MODE_AP)
+	if (pINTData->byISR1 != 0)
+		if (pINTData->byISR1 & ISR_GPIO3)
+			bScheduleCommand((HANDLE) pDevice,
+					WLAN_CMD_RADIO,
+					NULL);
+	pDevice->intBuf.uDataLen = 0;
+	pDevice->intBuf.bInUse = FALSE;
 
-            pDevice->bBeaconSent = TRUE;
-        } else {
-            pDevice->bBeaconSent = FALSE;
-        }
-        if (pINTData->byISR0 & ISR_TBTT) {
-            if ( pDevice->bEnablePSMode ) {
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_TBTT_WAKEUP, NULL);
-            }
-            if ( pDevice->bChannelSwitch ) {
-                pDevice->byChannelSwitchCount--;
-                if ( pDevice->byChannelSwitchCount == 0 ) {
-                    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_11H_CHSW, NULL);
-                }
-            }
-        }
-        LODWORD(pDevice->qwCurrTSF) = pINTData->dwLoTSF;
-        HIDWORD(pDevice->qwCurrTSF) = pINTData->dwHiTSF;
-        //DBG_PRN_GRP01(("ISR0 = %02x ,LoTsf =  %08x,HiTsf =  %08x\n", pINTData->byISR0, pINTData->dwLoTSF,pINTData->dwHiTSF));
+	pStats->tx_packets = pDevice->scStatistic.ullTsrOK;
+	pStats->tx_bytes = pDevice->scStatistic.ullTxDirectedBytes +
+			pDevice->scStatistic.ullTxMulticastBytes +
+			pDevice->scStatistic.ullTxBroadcastBytes;
+	pStats->tx_errors = pDevice->scStatistic.dwTsrErr;
+	pStats->tx_dropped = pDevice->scStatistic.dwTsrErr;
 
-        STAvUpdate802_11Counter(&pDevice->s802_11Counter, &pDevice->scStatistic, pINTData->byRTSSuccess,
-                                pINTData->byRTSFail, pINTData->byACKFail, pINTData->byFCSErr );
-        STAvUpdateIsrStatCounter(&pDevice->scStatistic, pINTData->byISR0, pINTData->byISR1);
-
-    }
-
-    if ( pINTData->byISR1 != 0 ) {
-        if (pINTData->byISR1 & ISR_GPIO3) {
-            bScheduleCommand((HANDLE) pDevice, WLAN_CMD_RADIO, NULL);
-        }
-    }
-    pDevice->intBuf.uDataLen = 0;
-    pDevice->intBuf.bInUse = FALSE;
-
-    pStats->tx_packets = pDevice->scStatistic.ullTsrOK;
-    pStats->tx_bytes = pDevice->scStatistic.ullTxDirectedBytes +
-                       pDevice->scStatistic.ullTxMulticastBytes +
-                       pDevice->scStatistic.ullTxBroadcastBytes;
-    pStats->tx_errors = pDevice->scStatistic.dwTsrErr;
-    pStats->tx_dropped = pDevice->scStatistic.dwTsrErr;
-
-    return status;
+	return status;
 }

From d82f139b5865f26b005852cd38119681fe70b0dc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javier=20Mu=C3=B1oz=20Mellid?= <jmunhoz@igalia.com>
Date: Mon, 29 Mar 2010 19:35:24 +0200
Subject: [PATCH 1027/3638] Staging: sm7xx: Fixed coding style issue
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixed a format issue

Signed-off-by: Javier Muñoz Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sm7xx/smtcfb.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/sm7xx/smtcfb.h b/drivers/staging/sm7xx/smtcfb.h
index 7ee565c2c95..0c113835b85 100644
--- a/drivers/staging/sm7xx/smtcfb.h
+++ b/drivers/staging/sm7xx/smtcfb.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2006 Silicon Motion Technology Corp.
  * Authors:	Ge Wang, gewang@siliconmotion.com
- *	 	Boyod boyod.yang@siliconmotion.com.cn
+ *		Boyod boyod.yang@siliconmotion.com.cn
  *
  * Copyright (C) 2009 Lemote, Inc.
  * Author: Wu Zhangjin, wuzhangjin@gmail.com

From 933025b60836a80f415bb458f3880519fc24606e Mon Sep 17 00:00:00 2001
From: Ossama Othman <ossama.othman@intel.com>
Date: Fri, 26 Mar 2010 15:11:11 -0700
Subject: [PATCH 1028/3638] Staging: add initial memrar ABI document

Signed-off-by: Ossama Othman <ossama.othman@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/memrar/memrar-abi | 89 +++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 drivers/staging/memrar/memrar-abi

diff --git a/drivers/staging/memrar/memrar-abi b/drivers/staging/memrar/memrar-abi
new file mode 100644
index 00000000000..98a6bb158ba
--- /dev/null
+++ b/drivers/staging/memrar/memrar-abi
@@ -0,0 +1,89 @@
+What:		/dev/memrar
+Date:		March 2010
+KernelVersion:	Kernel version this feature first showed up in.
+Contact:	Ossama Othman <ossama.othman@intel.com>
+Description:	The Intel Moorestown Restricted Access Region (RAR)
+		Handler driver exposes an ioctl() based interface that
+		allows a user to reserve and release blocks of RAR
+		memory.
+
+		Note:  A sysfs based one was not appropriate for the
+		RAR handler's usage model.
+
+		=========================================================
+				ioctl() Requests
+		=========================================================
+		RAR_HANDLER_RESERVE
+		-------------------
+		Description:	Reserve RAR block.
+		Type:		struct RAR_block_info
+		Direction:	in/out
+		Errors:		EINVAL (invalid RAR type or size)
+				ENOMEM (not enough RAR memory)
+
+		RAR_HANDLER_STAT
+		----------------
+		Description:	Get RAR statistics.
+		Type:		struct RAR_stat
+		Direction:	in/out
+		Errors:		EINVAL (invalid RAR type)
+
+		RAR_HANDLER_RELEASE
+		-------------------
+		Description:	Release previously reserved RAR block.
+		Type:		32 bit unsigned integer
+				(e.g. uint32_t), i.e the RAR "handle".
+		Direction:	in
+		Errors:		EINVAL (invalid RAR handle)
+
+
+		=========================================================
+			ioctl() Request Parameter Types
+		=========================================================
+		The structures referred to above are defined as
+		follows:
+
+		/**
+		 * struct RAR_block_info - user space struct that
+		 *			   describes RAR buffer
+		 * @type:	Type of RAR memory (e.g.,
+		 *		RAR_TYPE_VIDEO or RAR_TYPE_AUDIO) [in]
+		 * @size:	Requested size of a block in bytes to
+		 *		be reserved in RAR. [in]
+		 * @handle:	Handle that can be used to refer to
+		 *		reserved block. [out]
+		 *
+		 * This is the basic structure exposed to the user
+		 * space that describes a given RAR buffer.  It used
+		 * as the parameter for the RAR_HANDLER_RESERVE ioctl.
+		 * The buffer's underlying bus address is not exposed
+		 * to the user.  User space code refers to the buffer
+		 * entirely by "handle".
+		 */
+		struct RAR_block_info {
+			__u32 type;
+			__u32 size;
+			__u32 handle;
+		};
+
+		/**
+		 * struct RAR_stat - RAR statistics structure
+		 * @type:		Type of RAR memory (e.g.,
+		 *			RAR_TYPE_VIDEO or
+		 *			RAR_TYPE_AUDIO) [in]
+		 * @capacity:		Total size of RAR memory
+		 *			region. [out]
+		 * @largest_block_size:	Size of the largest reservable
+		 *			block. [out]
+		 *
+		 * This structure is used for RAR_HANDLER_STAT ioctl.
+		 */
+		struct RAR_stat {
+			__u32 type;
+			__u32 capacity;
+			__u32 largest_block_size;
+		};
+
+		Lastly, the RAR_HANDLER_RELEASE ioctl expects a
+		"handle" to the RAR block of memory.  It is a 32 bit
+		unsigned integer.

From 08db6c59a2d4d8162d7544ffaa9aa7d27ce9e50a Mon Sep 17 00:00:00 2001
From: Soeren Moeller <soerenmoeller2001@gmail.com>
Date: Tue, 30 Mar 2010 20:11:12 +0000
Subject: [PATCH 1029/3638] Staging: quatech_usb2: fix coding style issues

This is a patch to the file quatech_usb2.c that fixes two space before
tabular and one line of more than 80 characters warnings found by
checkpatch.pl

Signed-off-by: Soeren Moeller <soerenmoeller2001@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/quatech_usb2/quatech_usb2.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/quatech_usb2/quatech_usb2.c b/drivers/staging/quatech_usb2/quatech_usb2.c
index 1561f74a413..ecd73135b31 100644
--- a/drivers/staging/quatech_usb2/quatech_usb2.c
+++ b/drivers/staging/quatech_usb2/quatech_usb2.c
@@ -57,7 +57,7 @@ static int debug;
 #define QT2_HW_FLOW_CONTROL_MASK		0xc5
 #define QT2_SW_FLOW_CONTROL_MASK		0xc6
 #define QT2_SW_FLOW_CONTROL_DISABLE		0xc7
-#define QT2_BREAK_CONTROL 			0xc8
+#define QT2_BREAK_CONTROL			0xc8
 #define QT2_STOP_RECEIVE			0xe0
 #define QT2_FLUSH_DEVICE			0xc4
 #define QT2_GET_SET_QMCR			0xe1
@@ -207,7 +207,7 @@ struct quatech2_dev {
 	bool	ReadBulkStopped;
 	char	open_ports;
 	struct usb_serial_port *current_port;
-	int 	buffer_size;
+	int	buffer_size;
 };
 
 /* structure which holds line and modem status flags */
@@ -1648,10 +1648,10 @@ __func__);
 			} /*endif*/
 			if (tty_st && urb->actual_length) {
 				tty_buffer_request_room(tty_st, 1);
-				tty_insert_flip_string(tty_st,
-					&((unsigned char *)(urb->transfer_buffer)
-						)[i],
-					1);
+				tty_insert_flip_string(tty_st, &(
+						(unsigned char *)
+						(urb->transfer_buffer)
+					)[i], 1);
 			}
 		} /*endfor*/
 		tty_flip_buffer_push(tty_st);

From 593ef41c95c82a7c8d09c28db4893f4dd2ff0134 Mon Sep 17 00:00:00 2001
From: Olimpiu Pascariu <olimpiu.pascariu@gmail.com>
Date: Thu, 1 Apr 2010 23:48:14 +0300
Subject: [PATCH 1030/3638] Staging: rtl8187se: fixed checkpatch.pl warnings
 and errors in r8180_rtl8225z2.c

This is a patch to the r8180_rtl8225z2.c file that fixes up errors and
warnings found by the checkpatch.pl tool

Signed-off-by: Olimpiu Pascariu <olimpiu.pascariu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8187se/r8180_rtl8225z2.c | 129 ++++++++++++--------
 1 file changed, 78 insertions(+), 51 deletions(-)

diff --git a/drivers/staging/rtl8187se/r8180_rtl8225z2.c b/drivers/staging/rtl8187se/r8180_rtl8225z2.c
index 6edf5a46fa4..2a2afd51cf4 100644
--- a/drivers/staging/rtl8187se/r8180_rtl8225z2.c
+++ b/drivers/staging/rtl8187se/r8180_rtl8225z2.c
@@ -1,14 +1,13 @@
 /*
-  This is part of the rtl8180-sa2400 driver
-  released under the GPL (See file COPYING for details).
-  Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
-
-  This files contains programming code for the rtl8225
-  radio frontend.
-
-  *Many* thanks to Realtek Corp. for their great support!
-
-*/
+ * This is part of the rtl8180-sa2400 driver
+ * released under the GPL (See file COPYING for details).
+ * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * This files contains programming code for the rtl8225
+ * radio frontend.
+ *
+ * *Many* thanks to Realtek Corp. for their great support!
+ */
 
 #include "r8180_hw.h"
 #include "r8180_rtl8225.h"
@@ -225,7 +224,7 @@ static void rtl8225_SetTXPowerLevel(struct net_device *dev, short ch)
 }
 
 static const u8 rtl8225z2_threshold[] = {
-        0x8d, 0x8d, 0x8d, 0x8d, 0x9d, 0xad, 0xbd,
+	0x8d, 0x8d, 0x8d, 0x8d, 0x9d, 0xad, 0xbd,
 };
 
 static const u8 rtl8225z2_gain_bg[] = {
@@ -307,7 +306,7 @@ static u32 read_rtl8225(struct net_device *dev, u8 adr)
 	u32 data2Write = ((u32)(adr & 0x1f)) << 27;
 	u32 dataRead;
 	u32 mask;
-	u16 oval,oval2,oval3,tmp;
+	u16 oval, oval2, oval3, tmp;
 	int i;
 	short bit, rw;
 	u8 wLength = 6;
@@ -325,9 +324,11 @@ static u32 read_rtl8225(struct net_device *dev, u8 adr)
 
 	oval &= ~0xf;
 
-	write_nic_word(dev, RFPinsOutput, oval | BB_HOST_BANG_EN ); udelay(4);
+	write_nic_word(dev, RFPinsOutput, oval | BB_HOST_BANG_EN);
+	udelay(4);
 
-	write_nic_word(dev, RFPinsOutput, oval ); udelay(5);
+	write_nic_word(dev, RFPinsOutput, oval);
+	udelay(5);
 
 	rw = 0;
 
@@ -335,31 +336,45 @@ static u32 read_rtl8225(struct net_device *dev, u8 adr)
 
 	for (i = 0; i < wLength/2; i++) {
 		bit = ((data2Write&mask) != 0) ? 1 : 0;
-		write_nic_word(dev, RFPinsOutput, bit|oval | rw); udelay(1);
+		write_nic_word(dev, RFPinsOutput, bit | oval | rw);
+		udelay(1);
 
-		write_nic_word(dev, RFPinsOutput, bit|oval | BB_HOST_BANG_CLK | rw); udelay(2);
-		write_nic_word(dev, RFPinsOutput, bit|oval | BB_HOST_BANG_CLK | rw); udelay(2);
+		write_nic_word(dev, RFPinsOutput,
+				bit | oval | BB_HOST_BANG_CLK | rw);
+		udelay(2);
+		write_nic_word(dev, RFPinsOutput,
+				bit | oval | BB_HOST_BANG_CLK | rw);
+		udelay(2);
 
-		mask = (low2high) ? (mask<<1): (mask>>1);
+		mask = (low2high) ? (mask<<1) : (mask>>1);
 
 		if (i == 2) {
 			rw = BB_HOST_BANG_RW;
-			write_nic_word(dev, RFPinsOutput, bit|oval | BB_HOST_BANG_CLK | rw); udelay(2);
-			write_nic_word(dev, RFPinsOutput, bit|oval | rw); udelay(2);
+			write_nic_word(dev, RFPinsOutput,
+					bit | oval | BB_HOST_BANG_CLK | rw);
+			udelay(2);
+			write_nic_word(dev, RFPinsOutput, bit | oval | rw);
+			udelay(2);
 			break;
 		}
 
-		bit = ((data2Write&mask) != 0) ? 1: 0;
+		bit = ((data2Write&mask) != 0) ? 1 : 0;
 
-		write_nic_word(dev, RFPinsOutput, oval|bit|rw| BB_HOST_BANG_CLK); udelay(2);
-		write_nic_word(dev, RFPinsOutput, oval|bit|rw| BB_HOST_BANG_CLK); udelay(2);
+		write_nic_word(dev, RFPinsOutput,
+				oval | bit | rw | BB_HOST_BANG_CLK);
+		udelay(2);
+		write_nic_word(dev, RFPinsOutput,
+				oval | bit | rw | BB_HOST_BANG_CLK);
+		udelay(2);
 
-		write_nic_word(dev, RFPinsOutput, oval| bit |rw); udelay(1);
+		write_nic_word(dev, RFPinsOutput, oval | bit | rw);
+		udelay(1);
 
 		mask = (low2high) ? (mask<<1) : (mask>>1);
 	}
 
-	write_nic_word(dev, RFPinsOutput, rw|oval); udelay(2);
+	write_nic_word(dev, RFPinsOutput, rw|oval);
+	udelay(2);
 	mask = (low2high) ? 0x01 : (((u32)0x01) << (12-1));
 
 	/*
@@ -371,9 +386,12 @@ static u32 read_rtl8225(struct net_device *dev, u8 adr)
 	for (i = 0; i < rLength; i++) {
 		write_nic_word(dev, RFPinsOutput, rw|oval); udelay(1);
 
-		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK); udelay(2);
-		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK); udelay(2);
-		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK); udelay(2);
+		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK);
+		udelay(2);
+		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK);
+		udelay(2);
+		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK);
+		udelay(2);
 		tmp = read_nic_word(dev, RFPinsInput);
 
 		dataRead |= (tmp & BB_HOST_BANG_CLK ? mask : 0);
@@ -383,7 +401,9 @@ static u32 read_rtl8225(struct net_device *dev, u8 adr)
 		mask = (low2high) ? (mask<<1) : (mask>>1);
 	}
 
-	write_nic_word(dev, RFPinsOutput, BB_HOST_BANG_EN|BB_HOST_BANG_RW|oval); udelay(2);
+	write_nic_word(dev, RFPinsOutput,
+			BB_HOST_BANG_EN | BB_HOST_BANG_RW | oval);
+	udelay(2);
 
 	write_nic_word(dev, RFPinsEnable, oval2);
 	write_nic_word(dev, RFPinsSelect, oval3); /* Set To SW Switch */
@@ -426,7 +446,7 @@ void rtl8225z2_rf_close(struct net_device *dev)
 s8 DbmToTxPwrIdx(struct r8180_priv *priv, WIRELESS_MODE WirelessMode,
 		 s32 PowerInDbm)
 {
- 	bool bUseDefault = true;
+	bool bUseDefault = true;
 	s8 TxPwrIdx = 0;
 
 	/*
@@ -486,8 +506,10 @@ void rtl8225z2_SetTXPowerLevel(struct net_device *dev, short ch)
 	if (IS_DOT11D_ENABLE(priv->ieee80211) &&
 	    IS_DOT11D_STATE_DONE(priv->ieee80211)) {
 		u8 MaxTxPwrInDbm = DOT11D_GetMaxTxPwrInDbm(priv->ieee80211, ch);
-		u8 CckMaxPwrIdx = DbmToTxPwrIdx(priv, WIRELESS_MODE_B, MaxTxPwrInDbm);
-		u8 OfdmMaxPwrIdx = DbmToTxPwrIdx(priv, WIRELESS_MODE_G, MaxTxPwrInDbm);
+		u8 CckMaxPwrIdx = DbmToTxPwrIdx(priv, WIRELESS_MODE_B,
+							MaxTxPwrInDbm);
+		u8 OfdmMaxPwrIdx = DbmToTxPwrIdx(priv, WIRELESS_MODE_G,
+							MaxTxPwrInDbm);
 
 		if (cck_power_level > CckMaxPwrIdx)
 			cck_power_level = CckMaxPwrIdx;
@@ -524,7 +546,7 @@ void rtl8225z2_SetTXPowerLevel(struct net_device *dev, short ch)
 	if (ofdm_power_level <= 11) {
 		write_phy_ofdm(dev, 0x07, 0x5c);
 		write_phy_ofdm(dev, 0x09, 0x5c);
-        }
+	}
 
 	if (ofdm_power_level <= 17) {
 		write_phy_ofdm(dev, 0x07, 0x54);
@@ -613,7 +635,7 @@ void rtl8225z2_rf_init(struct net_device *dev)
 	int i;
 	short channel = 1;
 	u16	brsr;
-	u32	data,addr;
+	u32	data, addr;
 
 	priv->chan = channel;
 
@@ -740,7 +762,7 @@ void rtl8225z2_rf_init(struct net_device *dev)
 	write_phy_ofdm(dev, 0x26, 0x90); mdelay(1);
 	write_phy_ofdm(dev, 0x27, 0x88); mdelay(1);
 
-	rtl8225z2_set_gain(dev,4);
+	rtl8225z2_set_gain(dev, 4);
 
 	write_phy_cck(dev, 0x0, 0x98); mdelay(1);
 	write_phy_cck(dev, 0x3, 0x20); mdelay(1);
@@ -803,12 +825,12 @@ void rtl8225z2_rf_set_mode(struct net_device *dev)
 		write_phy_ofdm(dev, 0xf, 0x20);
 		write_phy_ofdm(dev, 0x11, 0x7);
 
-		rtl8225z2_set_gain(dev,4);
+		rtl8225z2_set_gain(dev, 4);
 
-		write_phy_ofdm(dev,0x15, 0x40);
-		write_phy_ofdm(dev,0x17, 0x40);
+		write_phy_ofdm(dev, 0x15, 0x40);
+		write_phy_ofdm(dev, 0x17, 0x40);
 
-		write_nic_dword(dev, 0x94,0x10000000);
+		write_nic_dword(dev, 0x94, 0x10000000);
 	} else {
 		write_rtl8225(dev, 0x5, 0x1864);
 		write_nic_dword(dev, RF_PARA, 0x10044);
@@ -819,18 +841,18 @@ void rtl8225z2_rf_set_mode(struct net_device *dev)
 		write_phy_ofdm(dev, 0xf, 0x20);
 		write_phy_ofdm(dev, 0x11, 0x7);
 
-		rtl8225z2_set_gain(dev,4);
+		rtl8225z2_set_gain(dev, 4);
 
-		write_phy_ofdm(dev,0x15, 0x40);
-		write_phy_ofdm(dev,0x17, 0x40);
+		write_phy_ofdm(dev, 0x15, 0x40);
+		write_phy_ofdm(dev, 0x17, 0x40);
 
-		write_nic_dword(dev, 0x94,0x04000002);
+		write_nic_dword(dev, 0x94, 0x04000002);
 	}
 }
 
-#define MAX_DOZE_WAITING_TIMES_85B 		20
-#define MAX_POLLING_24F_TIMES_87SE 		10
-#define LPS_MAX_SLEEP_WAITING_TIMES_87SE 	5
+#define MAX_DOZE_WAITING_TIMES_85B		20
+#define MAX_POLLING_24F_TIMES_87SE		10
+#define LPS_MAX_SLEEP_WAITING_TIMES_87SE	5
 
 bool SetZebraRFPowerState8185(struct net_device *dev,
 			      RT_RF_POWER_STATE eRFPowerState)
@@ -882,12 +904,14 @@ bool SetZebraRFPowerState8185(struct net_device *dev,
 		break;
 	case eRfSleep:
 		for (QueueID = 0, i = 0; QueueID < 6;) {
-			if (get_curr_tx_free_desc(dev, QueueID) == priv->txringcount) {
+			if (get_curr_tx_free_desc(dev, QueueID) ==
+							priv->txringcount) {
 				QueueID++;
 				continue;
 			} else {
 				priv->TxPollingTimes++;
-				if (priv->TxPollingTimes >= LPS_MAX_SLEEP_WAITING_TIMES_87SE) {
+				if (priv->TxPollingTimes >=
+					LPS_MAX_SLEEP_WAITING_TIMES_87SE) {
 					bActionAllowed = false;
 					break;
 				} else
@@ -915,7 +939,8 @@ bool SetZebraRFPowerState8185(struct net_device *dev,
 				while (true) {
 					u8 tmp24F = read_nic_byte(dev, 0x24f);
 
-					if ((tmp24F == 0x01) || (tmp24F == 0x09)) {
+					if ((tmp24F == 0x01) ||
+							(tmp24F == 0x09)) {
 						bTurnOffBB = true;
 						break;
 					} else {
@@ -935,7 +960,8 @@ bool SetZebraRFPowerState8185(struct net_device *dev,
 			if (bTurnOffBB) {
 				/* turn off BB */
 				u1bTmp = read_nic_byte(dev, 0x24E);
-				write_nic_byte(dev, 0x24E, (u1bTmp | BIT5 | BIT6));
+				write_nic_byte(dev, 0x24E,
+						(u1bTmp | BIT5 | BIT6));
 
 				/* turn off AFE PLL */
 				write_nic_byte(dev, 0x54, 0xFC);
@@ -945,7 +971,8 @@ bool SetZebraRFPowerState8185(struct net_device *dev,
 		break;
 	case eRfOff:
 		for (QueueID = 0, i = 0; QueueID < 6;) {
-			if (get_curr_tx_free_desc(dev, QueueID) == priv->txringcount) {
+			if (get_curr_tx_free_desc(dev, QueueID) ==
+					priv->txringcount) {
 				QueueID++;
 				continue;
 			} else {

From 3b7b31fa7df01576cc401dff512a6a84cb3753ed Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@ucw.cz>
Date: Sat, 3 Apr 2010 07:00:37 +0200
Subject: [PATCH 1031/3638] Staging: udlfb: minor cleanups

This cleans up udlfb a tiny bit.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/udlfb/udlfb.c | 58 +++++++++++++++++------------------
 1 file changed, 29 insertions(+), 29 deletions(-)

diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c
index a78ade0dc68..12444f2014e 100644
--- a/drivers/staging/udlfb/udlfb.c
+++ b/drivers/staging/udlfb/udlfb.c
@@ -58,17 +58,17 @@ static struct usb_device_id id_table[] = {
 MODULE_DEVICE_TABLE(usb, id_table);
 
 #ifndef CONFIG_FB_DEFERRED_IO
-#warning message "kernel FB_DEFFERRED_IO option to support generic fbdev apps"
+#warning Please set CONFIG_FB_DEFFERRED_IO option to support generic fbdev apps
 #endif
 
 #ifndef CONFIG_FB_SYS_IMAGEBLIT
 #ifndef CONFIG_FB_SYS_IMAGEBLIT_MODULE
-#warning message "FB_SYS_* in kernel or module option to support fb console"
+#warning Please set CONFIG_FB_SYS_IMAGEBLIT option to support fb console
 #endif
 #endif
 
 #ifndef CONFIG_FB_MODE_HELPERS
-#warning message "kernel FB_MODE_HELPERS required. Expect build break"
+#warning CONFIG_FB_MODE_HELPERS required. Expect build break
 #endif
 
 /* dlfb keeps a list of urbs for efficient bulk transfers */
@@ -366,32 +366,32 @@ static int dlfb_trim_hline(const u8 *bback, const u8 **bfront, int *width_bytes)
 }
 
 /*
-Render a command stream for an encoded horizontal line segment of pixels.
-
-A command buffer holds several commands.
-It always begins with a fresh command header
-(the protocol doesn't require this, but we enforce it to allow
-multiple buffers to be potentially encoded and sent in parallel).
-A single command encodes one contiguous horizontal line of pixels
-
-The function relies on the client to do all allocation, so that
-rendering can be done directly to output buffers (e.g. USB URBs).
-The function fills the supplied command buffer, providing information
-on where it left off, so the client may call in again with additional
-buffers if the line will take several buffers to complete.
-
-A single command can transmit a maximum of 256 pixels,
-regardless of the compression ratio (protocol design limit).
-To the hardware, 0 for a size byte means 256
-
-Rather than 256 pixel commands which are either rl or raw encoded,
-the rlx command simply assumes alternating raw and rl spans within one cmd.
-This has a slightly larger header overhead, but produces more even results.
-It also processes all data (read and write) in a single pass.
-Performance benchmarks of common cases show it having just slightly better
-compression than 256 pixel raw -or- rle commands, with similar CPU consumpion.
-But for very rl friendly data, will compress not quite as well.
-*/
+ * Render a command stream for an encoded horizontal line segment of pixels.
+ *
+ * A command buffer holds several commands.
+ * It always begins with a fresh command header
+ * (the protocol doesn't require this, but we enforce it to allow
+ * multiple buffers to be potentially encoded and sent in parallel).
+ * A single command encodes one contiguous horizontal line of pixels
+ *
+ * The function relies on the client to do all allocation, so that
+ * rendering can be done directly to output buffers (e.g. USB URBs).
+ * The function fills the supplied command buffer, providing information
+ * on where it left off, so the client may call in again with additional
+ * buffers if the line will take several buffers to complete.
+ *
+ * A single command can transmit a maximum of 256 pixels,
+ * regardless of the compression ratio (protocol design limit).
+ * To the hardware, 0 for a size byte means 256
+ * 
+ * Rather than 256 pixel commands which are either rl or raw encoded,
+ * the rlx command simply assumes alternating raw and rl spans within one cmd.
+ * This has a slightly larger header overhead, but produces more even results.
+ * It also processes all data (read and write) in a single pass.
+ * Performance benchmarks of common cases show it having just slightly better
+ * compression than 256 pixel raw -or- rle commands, with similar CPU consumpion.
+ * But for very rl friendly data, will compress not quite as well.
+ */
 static void dlfb_compress_hline(
 	const uint16_t **pixel_start_ptr,
 	const uint16_t *const pixel_end,

From b46966ee8f7c75fcff9e7390d29b1f62650b0784 Mon Sep 17 00:00:00 2001
From: Ng Kian Yong <ngky@comp.nus.edu.sg>
Date: Sat, 3 Apr 2010 17:09:34 +0800
Subject: [PATCH 1032/3638] Staging: vt6655: fix brace coding style issue in
 ioctl.c

This is a patch to the ioctl.c file that fixes up a brace warning found
by the checkpatch.pl tool

Signed-off-by: Ng Kian Yong <ngky@comp.nus.edu.sg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c
index d9a5fd21ab3..38577ca841e 100644
--- a/drivers/staging/vt6655/ioctl.c
+++ b/drivers/staging/vt6655/ioctl.c
@@ -83,7 +83,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 
     pReq->wResult = 0;
 
-    switch(pReq->wCmdCode) {
+    switch (pReq->wCmdCode) {
 
     case WLAN_CMD_BSS_SCAN:
 

From 3eec314fb26fc0e75c6f5d20f9b3d528ebf342d7 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Sat, 10 Apr 2010 00:33:17 +0200
Subject: [PATCH 1033/3638] Staging: rtl8187se: Do not autoconnect based on
 probe response

Getting a probe response after sending a probe request to a specific SSID
doesnt mean we're trying to associate with this SSID.
wpa_supplicant should be the only one deciding when to join an SSID, not the
kernel.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
index 2b7080cc2c0..3a724496e74 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
@@ -1489,8 +1489,6 @@ inline void ieee80211_process_probe_response(
 
 		memcpy(target, &network, sizeof(*target));
 		list_add_tail(&target->list, &ieee->network_list);
-		if(ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)
-			ieee80211_softmac_new_net(ieee,&network);
 	} else {
 		IEEE80211_DEBUG_SCAN("Updating '%s' (%pM) via %s.\n",
 				     escape_essid(target->ssid,
@@ -1516,8 +1514,6 @@ inline void ieee80211_process_probe_response(
 			renew = 1;
 		//YJ,add,080819,for hidden ap,end
 		update_network(target, &network);
-		if(renew && (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE))
-			ieee80211_softmac_new_net(ieee,&network);
 	}
 
 	spin_unlock_irqrestore(&ieee->lock, flags);

From 592010bb71901d991cd758f6294db2db47e8efa1 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Sat, 10 Apr 2010 00:33:19 +0200
Subject: [PATCH 1034/3638] Staging: rtl8187se: Do not send NULL BSSID events
 when not associated

If we're not associated, we should not send wireless events to let userspace
know that we just left an ESSID, simply because we havent yet joined it.
If we keep on doing that, wpa_supplicant could receive such events while
actually trying to join an ESSID, and thus decide to stop trying. This leads
to a lot of connection failures as this driver seems to be sending GIWAP
events quite a lot.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
index 5fdb8f3df0a..e099a5fa049 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
@@ -2322,9 +2322,11 @@ void ieee80211_disassociate(struct ieee80211_device *ieee)
 
 	if(IS_DOT11D_ENABLE(ieee))
 		Dot11d_Reset(ieee);
-	ieee->state = IEEE80211_NOLINK;
+
 	ieee->link_change(ieee->dev);
-	notify_wx_assoc_event(ieee);
+	if (ieee->state == IEEE80211_LINKED)
+		notify_wx_assoc_event(ieee);
+	ieee->state = IEEE80211_NOLINK;
 
 }
 void ieee80211_associate_retry_wq(struct work_struct *work)

From a5e135b1f510e2d65f01190d7f292c298f337fc9 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Sat, 10 Apr 2010 00:33:18 +0200
Subject: [PATCH 1035/3638] Staging: rtl8187se: Do not mess with carrier
 settings while scanning

Toggling the link carrier is a non sense and is the grossest locking I can
think of. Moreover, it's giving a completely inaccurate status to userspace
who could for example decide to turn the interface down on carrier off
detection.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
index ad42bcdc937..e46ff2ffa09 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
@@ -277,8 +277,6 @@ void ieee80211_wx_sync_scan_wq(struct work_struct *work)
 
 	chan = ieee->current_network.channel;
 
-	netif_carrier_off(ieee->dev);
-
 	if (ieee->data_hard_stop)
 		ieee->data_hard_stop(ieee->dev);
 
@@ -300,8 +298,6 @@ void ieee80211_wx_sync_scan_wq(struct work_struct *work)
 	if(ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER)
 		ieee80211_start_send_beacons(ieee);
 
-	netif_carrier_on(ieee->dev);
-
 	//YJ,add,080828, In prevent of lossing ping packet during scanning
 	//ieee80211_sta_ps_send_null_frame(ieee, false);
 	//YJ,add,080828,end

From cb73da2524df912ddec4aed0b6df1c0374f4ffc1 Mon Sep 17 00:00:00 2001
From: John Church <j.church@ymail.com>
Date: Thu, 8 Apr 2010 16:04:17 -0500
Subject: [PATCH 1036/3638] Staging: rtl8187se: fix coding style issues in
 r8180_core.c

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John Church <j.church@ymail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8187se/r8180_core.c | 98 +++++++++++++-------------
 1 file changed, 49 insertions(+), 49 deletions(-)

diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c
index 88fe6232a47..84a745bb9ca 100644
--- a/drivers/staging/rtl8187se/r8180_core.c
+++ b/drivers/staging/rtl8187se/r8180_core.c
@@ -44,24 +44,24 @@
 #include "ieee80211/dot11d.h"
 
 static struct pci_device_id rtl8180_pci_id_tbl[] __devinitdata = {
-        {
-                .vendor = PCI_VENDOR_ID_REALTEK,
-                .device = 0x8199,
-                .subvendor = PCI_ANY_ID,
-                .subdevice = PCI_ANY_ID,
-                .driver_data = 0,
-        },
-        {
-                .vendor = 0,
-                .device = 0,
-                .subvendor = 0,
-                .subdevice = 0,
-                .driver_data = 0,
-        }
+	{
+		.vendor = PCI_VENDOR_ID_REALTEK,
+		.device = 0x8199,
+		.subvendor = PCI_ANY_ID,
+		.subdevice = PCI_ANY_ID,
+		.driver_data = 0,
+	},
+	{
+		.vendor = 0,
+		.device = 0,
+		.subvendor = 0,
+		.subdevice = 0,
+		.driver_data = 0,
+	}
 };
 
 
-static char* ifname = "wlan%d";
+static char *ifname = "wlan%d";
 static int hwseqnum = 0;
 static int hwwep = 0;
 static int channels = 0x3fff;
@@ -168,34 +168,34 @@ static struct pci_driver rtl8180_pci_driver = {
 
 u8 read_nic_byte(struct net_device *dev, int x)
 {
-        return 0xff&readb((u8*)dev->mem_start +x);
+	return 0xff&readb((u8 *)dev->mem_start + x);
 }
 
 u32 read_nic_dword(struct net_device *dev, int x)
 {
-        return readl((u8*)dev->mem_start +x);
+	return readl((u8 *)dev->mem_start + x);
 }
 
 u16 read_nic_word(struct net_device *dev, int x)
 {
-        return readw((u8*)dev->mem_start +x);
+	return readw((u8 *)dev->mem_start + x);
 }
 
 void write_nic_byte(struct net_device *dev, int x,u8 y)
 {
-        writeb(y,(u8*)dev->mem_start +x);
+	writeb(y, (u8 *)dev->mem_start + x);
 	udelay(20);
 }
 
 void write_nic_dword(struct net_device *dev, int x,u32 y)
 {
-        writel(y,(u8*)dev->mem_start +x);
+	writel(y, (u8 *)dev->mem_start + x);
 	udelay(20);
 }
 
 void write_nic_word(struct net_device *dev, int x,u16 y)
 {
-        writew(y,(u8*)dev->mem_start +x);
+	writew(y, (u8 *)dev->mem_start + x);
 	udelay(20);
 }
 
@@ -313,7 +313,7 @@ void rtl8180_proc_module_init(void)
 
 void rtl8180_proc_module_remove(void)
 {
-        remove_proc_entry(RTL8180_MODULE_NAME, init_net.proc_net);
+	remove_proc_entry(RTL8180_MODULE_NAME, init_net.proc_net);
 }
 
 void rtl8180_proc_remove_one(struct net_device *dev)
@@ -383,7 +383,7 @@ void rtl8180_proc_init_one(struct net_device *dev)
 short buffer_add(struct buffer **buffer, u32 *buf, dma_addr_t dma,
 		struct buffer **bufferhead)
 {
-        struct buffer *tmp;
+	struct buffer *tmp;
 
 	if(! *buffer){
 
@@ -1429,7 +1429,7 @@ void rtl8180_rx(struct net_device *dev)
 	u32 RXAGC = 0;
 	long RxAGC_dBm = 0;
 	u8	LNA=0, BB=0;
-	u8 	LNA_gain[4]={02, 17, 29, 39};
+	u8	LNA_gain[4] = {02, 17, 29, 39};
 	u8  Antenna = 0;
 	struct ieee80211_hdr_4addr *hdr;
 	u16 fc,type;
@@ -1531,7 +1531,7 @@ void rtl8180_rx(struct net_device *dev)
 		}else {
 			padding = 0;
 		}
-               padding = 0;
+		padding = 0;
 		priv->rx_prevlen+=len;
 
 		if(priv->rx_prevlen > MAX_FRAG_THRESHOLD + 100){
@@ -1624,7 +1624,7 @@ void rtl8180_rx(struct net_device *dev)
 		bICV = ((*(priv->rxringtail)) & (0x00001000)) >> 12;
 		hdr = (struct ieee80211_hdr_4addr *)priv->rxbuffer->buf;
 		    fc = le16_to_cpu(hdr->frame_ctl);
-	        type = WLAN_FC_GET_TYPE(fc);
+		type = WLAN_FC_GET_TYPE(fc);
 
 			if((IEEE80211_FTYPE_CTL != type) &&
 				(eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
@@ -1948,11 +1948,11 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 	u8			bUseShortPreamble = 0;
 	u8			bCTSEnable = 0;
 	u8			bRTSEnable = 0;
-	u16 			Duration = 0;
+	u16			Duration = 0;
 	u16			RtsDur = 0;
 	u16			ThisFrameTime = 0;
 	u16			TxDescDuration = 0;
-	u8 			ownbit_flag = false;
+	u8			ownbit_flag = false;
 
 	switch(priority) {
 	case MANAGE_PRIORITY:
@@ -2000,7 +2000,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 	default:
 		return -1;
 		break;
- 	}
+	}
 
 		memcpy(&dest, frag_hdr->addr1, ETH_ALEN);
 		if (is_multicast_ether_addr(dest) ||
@@ -2151,8 +2151,8 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 		if(morefrag) *tail = (*tail) | (1<<17); // more fragment
 		if(!remain) *tail = (*tail) | (1<<28); // last segment of frame
 
-               *(tail+5) = *(tail+5)|(2<<27);
-                *(tail+7) = *(tail+7)|(1<<4);
+		*(tail+5) = *(tail+5)|(2<<27);
+		*(tail+7) = *(tail+7)|(1<<4);
 
 		wmb();
 		if(ownbit_flag)
@@ -2289,13 +2289,13 @@ void rtl8180_hw_wakeup(struct net_device *dev)
 
 void rtl8180_hw_sleep_down(struct net_device *dev)
 {
-        unsigned long flags;
-        struct r8180_priv *priv = ieee80211_priv(dev);
+	unsigned long flags;
+	struct r8180_priv *priv = ieee80211_priv(dev);
 
-        spin_lock_irqsave(&priv->ps_lock,flags);
-        if(priv->rf_sleep)
-                priv->rf_sleep(dev);
-        spin_unlock_irqrestore(&priv->ps_lock,flags);
+	spin_lock_irqsave(&priv->ps_lock, flags);
+	if (priv->rf_sleep)
+		priv->rf_sleep(dev);
+	spin_unlock_irqrestore(&priv->ps_lock, flags);
 }
 
 void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl)
@@ -2786,7 +2786,7 @@ short rtl8180_init(struct net_device *dev)
 	priv->ieee80211->data_hard_stop = rtl8180_data_hard_stop;
 	priv->ieee80211->data_hard_resume = rtl8180_data_hard_resume;
 
-        priv->ieee80211->init_wmmparam_flag = 0;
+	priv->ieee80211->init_wmmparam_flag = 0;
 
 	priv->ieee80211->start_send_beacons = rtl8180_start_tx_beacon;
 	priv->ieee80211->stop_send_beacons = rtl8180_beacon_tx_disable;
@@ -2956,8 +2956,8 @@ short rtl8180_init(struct net_device *dev)
 		return -ENOMEM;
 
         if(request_irq(dev->irq, (void *)rtl8180_interrupt, IRQF_SHARED, dev->name, dev)){
-                DMESGE("Error allocating IRQ %d",dev->irq);
-                return -1;
+		DMESGE("Error allocating IRQ %d", dev->irq);
+		return -1;
 	}else{
 		priv->irq=dev->irq;
 		DMESG("IRQ %d",dev->irq);
@@ -3102,7 +3102,7 @@ void rtl8185_set_rate(struct net_device *dev)
 
 void rtl8180_adapter_start(struct net_device *dev)
 {
-        struct r8180_priv *priv = ieee80211_priv(dev);
+	struct r8180_priv *priv = ieee80211_priv(dev);
 
 	rtl8180_rtx_disable(dev);
 	rtl8180_reset(dev);
@@ -3196,7 +3196,7 @@ void rtl8180_start_tx_beacon(struct net_device *dev)
 
 	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 
-        rtl8185b_irq_enable(dev);
+	rtl8185b_irq_enable(dev);
 }
 
 static struct net_device_stats *rtl8180_stats(struct net_device *dev)
@@ -3252,9 +3252,9 @@ void rtl8180_hw_sleep_wq (struct work_struct *work)
 {
 	struct delayed_work *dwork = to_delayed_work(work);
         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
-        struct net_device *dev = ieee->dev;
+	struct net_device *dev = ieee->dev;
 
-        rtl8180_hw_sleep_down(dev);
+	rtl8180_hw_sleep_down(dev);
 }
 
 static void MgntLinkKeepAlive(struct r8180_priv *priv )
@@ -3373,7 +3373,7 @@ int _rtl8180_up(struct net_device *dev)
 	}
        timer_rate_adaptive((unsigned long)dev);
 	watch_dog_adaptive((unsigned long)dev);
-        if(priv->bSwAntennaDiverity)
+	if (priv->bSwAntennaDiverity)
 			SwAntennaDiversityTimerCallback(dev);
 	ieee80211_softmac_start_protocol(priv->ieee80211);
 	return 0;
@@ -3614,10 +3614,10 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 	dev->watchdog_timeo = HZ*3;
 
 	if (dev_alloc_name(dev, ifname) < 0){
-                DMESG("Oops: devname already taken! Trying wlan%%d...\n");
+		DMESG("Oops: devname already taken! Trying wlan%%d...\n");
 		ifname = "wlan%d";
 		dev_alloc_name(dev, ifname);
-        }
+	}
 
 	if(rtl8180_init(dev)!=0){
 		DMESG("Initialization failed");
@@ -4091,10 +4091,10 @@ void GPIOChangeRFWorkItemCallBack(struct work_struct *work)
 	u8 btPSR;
 	u8 btConfig0;
 	RT_RF_POWER_STATE	eRfPowerStateToSet;
-	bool 	bActuallySet=false;
+	bool bActuallySet = false;
 
 	char *argv[3];
-        static char *RadioPowerPath = "/etc/acpi/events/RadioPower.sh";
+	static char *RadioPowerPath = "/etc/acpi/events/RadioPower.sh";
         static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", NULL};
 	static int readf_count = 0;
 

From 1695eb36bf4616c6ec062d2dc2c3abe54d3aa313 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 11 Apr 2010 13:22:53 +0300
Subject: [PATCH 1037/3638] Staging: serqt_usb2: fix space coding style issue
 in serqt_usb2.c

This is a patch to the serqt_usb2.c files that fixed space error and
warning found by the checkpatch.pl tools.

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/serqt_usb2/serqt_usb2.c | 26 ++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c
index 44f2d4eaf84..27841ef6a56 100644
--- a/drivers/staging/serqt_usb2/serqt_usb2.c
+++ b/drivers/staging/serqt_usb2/serqt_usb2.c
@@ -413,7 +413,7 @@ static void qt_read_bulk_callback(struct urb *urb)
 
 				case 0x01:
 					/* Modem status status change 4th byte must follow */
-					dbg("Modem status status. \n");
+					dbg("Modem status status.\n");
 					if (i > (RxCount - 4)) {
 						dbg("Illegal escape sequences in received data\n");
 						break;
@@ -424,7 +424,7 @@ static void qt_read_bulk_callback(struct urb *urb)
 					flag = 1;
 					break;
 				case 0xff:
-					dbg("No status sequence. \n");
+					dbg("No status sequence.\n");
 
 					if (tty) {
 						ProcessRxChar(tty, port, data[i]);
@@ -738,7 +738,7 @@ static int qt_startup(struct usb_serial *serial)
 		if (!qt_port) {
 			dbg("%s: kmalloc for quatech_port (%d) failed!.",
 			    __func__, i);
-			for(--i; i >= 0; i--) {
+			for (--i; i >= 0; i--) {
 				port = serial->port[i];
 				kfree(usb_get_serial_port_data(port));
 				usb_set_serial_port_data(port, NULL);
@@ -963,11 +963,11 @@ static int qt_open(struct tty_struct *tty,
 
 	}
 
-	dbg("port number is %d \n", port->number);
-	dbg("serial number is %d \n", port->serial->minor);
-	dbg("Bulkin endpoint is %d \n", port->bulk_in_endpointAddress);
-	dbg("BulkOut endpoint is %d \n", port->bulk_out_endpointAddress);
-	dbg("Interrupt endpoint is %d \n", port->interrupt_in_endpointAddress);
+	dbg("port number is %d\n", port->number);
+	dbg("serial number is %d\n", port->serial->minor);
+	dbg("Bulkin endpoint is %d\n", port->bulk_in_endpointAddress);
+	dbg("BulkOut endpoint is %d\n", port->bulk_out_endpointAddress);
+	dbg("Interrupt endpoint is %d\n", port->interrupt_in_endpointAddress);
 	dbg("port's number in the device is %d\n", quatech_port->port_num);
 	quatech_port->read_urb = port->read_urb;
 
@@ -1470,7 +1470,7 @@ static int qt_tiocmget(struct tty_struct *tty, struct file *file)
 	int retval = -ENODEV;
 	unsigned long flags;
 
-	dbg("In %s \n", __func__);
+	dbg("In %s\n", __func__);
 
 	if (!serial)
 		return -ENODEV;
@@ -1496,14 +1496,14 @@ static int qt_tiocmset(struct tty_struct *tty, struct file *file,
 	unsigned long flags;
 	int retval = -ENODEV;
 
-	dbg("In %s \n", __func__);
+	dbg("In %s\n", __func__);
 
 	if (!serial)
 		return -ENODEV;
 
 	spin_lock_irqsave(&qt_port->lock, flags);
 
-	dbg("%s - port %d \n", __func__, port->number);
+	dbg("%s - port %d\n", __func__, port->number);
 	dbg("%s - qt_port->RxHolding = %d\n", __func__, qt_port->RxHolding);
 
 	retval = qt_real_tiocmset(tty, port, file, serial, set);
@@ -1584,9 +1584,9 @@ static int qt_calc_num_ports(struct usb_serial *serial)
 {
 	int num_ports;
 
-	dbg("numberofendpoints: %d \n",
+	dbg("numberofendpoints: %d\n",
 	    (int)serial->interface->cur_altsetting->desc.bNumEndpoints);
-	dbg("numberofendpoints: %d \n",
+	dbg("numberofendpoints: %d\n",
 	    (int)serial->interface->altsetting->desc.bNumEndpoints);
 
 	num_ports =

From 1fc5af161f09da027d442a691de67644b66fd012 Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 11 Apr 2010 13:39:47 +0300
Subject: [PATCH 1038/3638] Staging: rtl8192u: fix comments and space coding
 style issue in dot11d.h

This is a patch to the dot11d.h file that fixed up a comments and space
Errors found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192u/dot11d.h | 52 +++++++++++++++----------------
 1 file changed, 26 insertions(+), 26 deletions(-)

diff --git a/drivers/staging/rtl8192u/dot11d.h b/drivers/staging/rtl8192u/dot11d.h
index 15b7a4ba37b..0851b9db17a 100644
--- a/drivers/staging/rtl8192u/dot11d.h
+++ b/drivers/staging/rtl8192u/dot11d.h
@@ -4,44 +4,44 @@
 #ifdef ENABLE_DOT11D
 #include "ieee80211.h"
 
-//#define ENABLE_DOT11D
-
-//#define DOT11D_MAX_CHNL_NUM 83
 
 typedef struct _CHNL_TXPOWER_TRIPLE {
 	u8 FirstChnl;
 	u8  NumChnls;
 	u8  MaxTxPowerInDbm;
-}CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
+} CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
 
 typedef enum _DOT11D_STATE {
 	DOT11D_STATE_NONE = 0,
 	DOT11D_STATE_LEARNED,
 	DOT11D_STATE_DONE,
-}DOT11D_STATE;
+} DOT11D_STATE;
 
 typedef struct _RT_DOT11D_INFO {
-	//DECLARE_RT_OBJECT(RT_DOT11D_INFO);
+	/* DECLARE_RT_OBJECT(RT_DOT11D_INFO); */
 
-	bool bEnabled; // dot11MultiDomainCapabilityEnabled
+	bool bEnabled; /* dot11MultiDomainCapabilityEnabled */
 
-	u16 CountryIeLen; // > 0 if CountryIeBuf[] contains valid country information element.
+	u16 CountryIeLen; /* > 0 if CountryIeBuf[] contains valid country information element. */
 	u8  CountryIeBuf[MAX_IE_LEN];
-	u8  CountryIeSrcAddr[6]; // Source AP of the country IE.
+	u8  CountryIeSrcAddr[6]; /* Source AP of the country IE. */
 	u8  CountryIeWatchdog;
 
-	u8  channel_map[MAX_CHANNEL_NUMBER+1];  //!!!Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan)
-	//u8  ChnlListLen; // #Bytes valid in ChnlList[].
-	//u8  ChnlList[DOT11D_MAX_CHNL_NUM];
+	u8  channel_map[MAX_CHANNEL_NUMBER+1];  /* !Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan) */
 	u8  MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
 
 	DOT11D_STATE State;
-}RT_DOT11D_INFO, *PRT_DOT11D_INFO;
-#define eqMacAddr(a,b)		( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
-#define cpMacAddr(des,src)	      ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5])
+} RT_DOT11D_INFO, *PRT_DOT11D_INFO;
+#define eqMacAddr(a, b)		(((a)[0] == (b)[0] && \
+	(a)[1] == (b)[1] && (a)[2] == (b)[2] && (a)[3] == (b)[3] && \
+	(a)[4] == (b)[4] && (a)[5] == (b)[5]) ? 1 : 0)
+#define cpMacAddr(des, src)	      ((des)[0] = (src)[0], \
+	(des)[1] = (src)[1], (des)[2] = (src)[2], \
+	(des)[3] = (src)[3], (des)[4] = (src)[4], \
+	(des)[5] = (src)[5])
 #define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO)((__pIeeeDev)->pDot11dInfo))
 
-#define IS_DOT11D_ENABLE(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->bEnabled
+#define IS_DOT11D_ENABLE(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->bEnabled)
 #define IS_COUNTRY_IE_VALID(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
 
 #define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
@@ -53,9 +53,9 @@ typedef struct _RT_DOT11D_INFO {
 	(!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, (__Ie).Octet, (__Ie).Length)))
 
 #define CIE_WATCHDOG_TH 1
-#define GET_CIE_WATCHDOG(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog
+#define GET_CIE_WATCHDOG(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog)
 #define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
-#define UPDATE_CIE_WATCHDOG(__pIeeeDev) ++GET_CIE_WATCHDOG(__pIeeeDev)
+#define UPDATE_CIE_WATCHDOG(__pIeeeDev) (++GET_CIE_WATCHDOG(__pIeeeDev))
 
 #define IS_DOT11D_STATE_DONE(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
 
@@ -73,9 +73,9 @@ Dot11d_Reset(
 void
 Dot11d_UpdateCountryIe(
 	struct ieee80211_device *dev,
-	u8 *		pTaddr,
-	u16	CoutryIeLen,
-	u8 * pCoutryIe
+	u8 *pTaddr,
+	u16 CoutryIeLen,
+	u8 *pCoutryIe
 	);
 
 u8
@@ -86,17 +86,17 @@ DOT11D_GetMaxTxPwrInDbm(
 
 void
 DOT11D_ScanComplete(
-	struct ieee80211_device * dev
+	struct ieee80211_device *dev
 	);
 
 int IsLegalChannel(
-	struct ieee80211_device * dev,
+	struct ieee80211_device *dev,
 	u8 channel
 );
 
 int ToLegalChannel(
-	struct ieee80211_device * dev,
+	struct ieee80211_device *dev,
 	u8 channel
 );
-#endif //ENABLE_DOT11D
-#endif // #ifndef __INC_DOT11D_H
+#endif /* ENABLE_DOT11D */
+#endif /* #ifndef __INC_DOT11D_H */

From 9271ff10480023953bebe2f897af8128b5334f7a Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 11 Apr 2010 15:05:39 +0300
Subject: [PATCH 1039/3638] Staging: rtl8192u: ix brace, comments and space
 coding style issue in ieee80211.h

This is a patch to the ieee80211.h file that fixed up a brace, comments
and space Errors found by the checkpatch.pl tools.

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192u/ieee80211.h | 546 +++++++++++++--------------
 1 file changed, 253 insertions(+), 293 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211.h b/drivers/staging/rtl8192u/ieee80211.h
index 9d05ed6791e..ef9e941f496 100644
--- a/drivers/staging/rtl8192u/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211.h
@@ -58,12 +58,12 @@
  *
  */
 #define container_of(ptr, type, member) ({                      \
-	const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
-	(type *)( (char *)__mptr - offsetof(type,member) );})
+	const typeof(((type *)0)->member) (*__mptr = (ptr));    \
+	(type *)((char *)__mptr - offsetof(type, member)); })
 #endif
 
 #define KEY_TYPE_NA		0x0
-#define KEY_TYPE_WEP40 		0x1
+#define KEY_TYPE_WEP40		0x1
 #define KEY_TYPE_TKIP		0x2
 #define KEY_TYPE_CCMP		0x4
 #define KEY_TYPE_WEP104		0x5
@@ -71,9 +71,9 @@
 /* added for rtl819x tx procedure */
 #define MAX_QUEUE_SIZE		0x10
 
-//
-// 8190 queue mapping
-//
+/*
+ * 8190 queue mapping
+ */
 #define BK_QUEUE                               0
 #define BE_QUEUE                               1
 #define VI_QUEUE                               2
@@ -87,13 +87,13 @@
 #define LOW_QUEUE                              BE_QUEUE
 #define NORMAL_QUEUE                           MGNT_QUEUE
 
-//added by amy for ps
+/* added by amy for ps */
 #define SWRF_TIMEOUT				50
 
-//added by amy for LEAP related
-#define IE_CISCO_FLAG_POSITION		0x08	// Flag byte: byte 8, numbered from 0.
-#define SUPPORT_CKIP_MIC			0x08	// bit3
-#define SUPPORT_CKIP_PK			0x10	// bit4
+/* added by amy for LEAP related */
+#define IE_CISCO_FLAG_POSITION		0x08	/* Flag byte: byte 8, numbered from 0. */
+#define SUPPORT_CKIP_MIC			0x08	/* bit3 */
+#define SUPPORT_CKIP_PK			0x10	/* bit4 */
 /* defined for skb cb field */
 /* At most 28 byte */
 typedef struct cb_desc {
@@ -105,7 +105,7 @@ typedef struct cb_desc {
 	u8 bEncrypt:1;
 	u8 bTxDisableRateFallBack:1;
 	u8 bTxUseDriverAssingedRate:1;
-	u8 bHwSec:1; //indicate whether use Hw security. WB
+	u8 bHwSec:1; /* indicate whether use Hw security. WB */
 
 	u8 reserved1;
 
@@ -125,17 +125,13 @@ typedef struct cb_desc {
 	u8 bRTSUseShortGI:1;
 	u8 bMulticast:1;
 	u8 bBroadcast:1;
-	//u8 reserved2:2;
 	u8 drv_agg_enable:1;
 	u8 reserved2:1;
 
 	/* Tx Desc related element(12-19) */
 	u8 rata_index;
 	u8 queue_index;
-	//u8 reserved3;
-	//u8 reserved4;
 	u16 txbuf_size;
-	//u8 reserved5;
 	u8 RATRIndex;
 	u8 reserved6;
 	u8 reserved7;
@@ -146,13 +142,10 @@ typedef struct cb_desc {
 	u8 rts_rate;
 	u8 ampdu_factor;
 	u8 ampdu_density;
-	//u8 reserved9;
-	//u8 reserved10;
-	//u8 reserved11;
 	u8 DrvAggrNum;
 	u16 pkt_size;
 	u8 reserved12;
-}cb_desc, *pcb_desc;
+} cb_desc, *pcb_desc;
 
 /*--------------------------Define -------------------------------------------*/
 #define MGN_1M                  0x02
@@ -186,9 +179,9 @@ typedef struct cb_desc {
 #define MGN_MCS14               0x8e
 #define MGN_MCS15               0x8f
 
-//----------------------------------------------------------------------------
-//		802.11 Management frame Reason Code field
-//----------------------------------------------------------------------------
+/*
+ *		802.11 Management frame Reason Code field
+ */
 enum	_ReasonCode{
 	unspec_reason	= 0x1,
 	auth_not_valid	= 0x2,
@@ -200,11 +193,11 @@ enum	_ReasonCode{
 	disas_lv_ss 	= 0x8,
 	asoc_not_auth	= 0x9,
 
-	//----MIC_CHECK
+	/* ----MIC_CHECK */
 	mic_failure 	= 0xe,
-	//----END MIC_CHECK
+	/* ----END MIC_CHECK */
 
-	// Reason code defined in 802.11i D10.0 p.28.
+	/* Reason code defined in 802.11i D10.0 p.28. */
 	invalid_IE		= 0x0d,
 	four_way_tmout	= 0x0f,
 	two_way_tmout	= 0x10,
@@ -214,27 +207,29 @@ enum	_ReasonCode{
 	invalid_AKMP	= 0x14,
 	unsup_RSNIEver = 0x15,
 	invalid_RSNIE	= 0x16,
-	auth_802_1x_fail= 0x17,
+	auth_802_1x_fail = 0x17,
 	ciper_reject		= 0x18,
 
-	// Reason code defined in 7.3.1.7, 802.1e D13.0, p.42. Added by Annie, 2005-11-15.
-	QoS_unspec		= 0x20, // 32
-	QAP_bandwidth	= 0x21, // 33
-	poor_condition	= 0x22, // 34
-	no_facility 	= 0x23, // 35
-							// Where is 36???
-	req_declined	= 0x25, // 37
-	invalid_param	= 0x26, // 38
-	req_not_honored= 0x27,	// 39
-	TS_not_created	= 0x2F, // 47
-	DL_not_allowed	= 0x30, // 48
-	dest_not_exist	= 0x31, // 49
-	dest_not_QSTA	= 0x32, // 50
+	/* Reason code defined in 7.3.1.7, 802.1e D13.0, p.42. */
+	QoS_unspec		= 0x20, /* 32 */
+	QAP_bandwidth	= 0x21, /* 33 */
+	poor_condition	= 0x22, /* 34 */
+	no_facility 	= 0x23, /* 35 */
+							/* Where is 36??? */
+	req_declined	= 0x25, /* 37 */
+	invalid_param	= 0x26, /* 38 */
+	req_not_honored = 0x27,	/* 39 */
+	TS_not_created	= 0x2F, /* 47 */
+	DL_not_allowed	= 0x30, /* 48 */
+	dest_not_exist	= 0x31, /* 49 */
+	dest_not_QSTA	= 0x32, /* 50 */
 };
 
 
 
-#define aSifsTime	 ((priv->ieee80211->current_network.mode == IEEE_A)||(priv->ieee80211->current_network.mode == IEEE_N_24G)||(priv->ieee80211->current_network.mode == IEEE_N_5G))? 16 : 10
+#define aSifsTime	 ((priv->ieee80211->current_network.mode == IEEE_A) || \
+		(priv->ieee80211->current_network.mode == IEEE_N_24G) || \
+		(priv->ieee80211->current_network.mode == IEEE_N_5G)) ? 16 : 10
 
 #define MGMT_QUEUE_NUM 5
 
@@ -249,15 +244,12 @@ enum	_ReasonCode{
 #define IEEE_PARAM_PRIVACY_INVOKED		4
 #define IEEE_PARAM_AUTH_ALGS			5
 #define IEEE_PARAM_IEEE_802_1X			6
-//It should consistent with the driver_XXX.c
-//   David, 2006.9.26
+/* It should consistent with the driver_XXX.c */
 #define IEEE_PARAM_WPAX_SELECT			7
-//Added for notify the encryption type selection
-//   David, 2006.9.26
+/* Added for notify the encryption type selection */
 #define IEEE_PROTO_WPA				1
 #define IEEE_PROTO_RSN				2
-//Added for notify the encryption type selection
-//   David, 2006.9.26
+/* Added for notify the encryption type selection */
 #define IEEE_WPAX_USEGROUP			0
 #define IEEE_WPAX_WEP40				1
 #define IEEE_WPAX_TKIP				2
@@ -284,7 +276,7 @@ enum	_ReasonCode{
 
 #define MAX_IE_LEN  0xff
 
-// added for kernel conflict
+/* added for kernel conflict */
 #define ieee80211_crypt_deinit_entries 	ieee80211_crypt_deinit_entries_rsl
 #define ieee80211_crypt_deinit_handler 	ieee80211_crypt_deinit_handler_rsl
 #define ieee80211_crypt_delayed_deinit 	ieee80211_crypt_delayed_deinit_rsl
@@ -385,7 +377,7 @@ typedef struct ieee_param {
 			u8 key[0];
 		} crypt;
 	} u;
-}ieee_param;
+} ieee_param;
 
 
 #if WIRELESS_EXT < 17
@@ -398,7 +390,7 @@ typedef struct ieee_param {
 #endif
 
 
-// linux under 2.6.9 release may not support it, so modify it for common use
+/* linux under 2.6.9 release may not support it, so modify it for common use */
 #define MSECS(t) msecs_to_jiffies(t)
 #define msleep_interruptible_rsl  msleep_interruptible
 
@@ -432,7 +424,7 @@ typedef struct ieee_param {
 #define IEEE80211_FCTL_FRAMETYPE	0x00fc
 #define IEEE80211_FCTL_TODS		0x0100
 #define IEEE80211_FCTL_FROMDS		0x0200
-#define IEEE80211_FCTL_DSTODS		0x0300 //added by david
+#define IEEE80211_FCTL_DSTODS		0x0300
 #define IEEE80211_FCTL_MOREFRAGS	0x0400
 #define IEEE80211_FCTL_RETRY		0x0800
 #define IEEE80211_FCTL_PM		0x1000
@@ -476,7 +468,7 @@ typedef struct ieee_param {
 #define IEEE80211_STYPE_CFACK		0x0050
 #define IEEE80211_STYPE_CFPOLL		0x0060
 #define IEEE80211_STYPE_CFACKPOLL	0x0070
-#define IEEE80211_STYPE_QOS_DATA	0x0080 //added for WMM 2006/8/2
+#define IEEE80211_STYPE_QOS_DATA	0x0080
 #define IEEE80211_STYPE_QOS_NULL	0x00C0
 
 #define IEEE80211_SCTL_FRAG		0x000F
@@ -486,12 +478,12 @@ typedef struct ieee_param {
 #define IEEE80211_QCTL_TID              0x000F
 
 #define	FC_QOS_BIT					BIT7
-#define IsDataFrame(pdu)			( ((pdu[0] & 0x0C)==0x08) ? true : false )
-#define	IsLegacyDataFrame(pdu)	(IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)) )
-//added by wb. Is this right?
-#define IsQoSDataFrame(pframe)  ((*(u16*)pframe&(IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) == (IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA))
-#define Frame_Order(pframe)     (*(u16*)pframe&IEEE80211_FCTL_ORDER)
-#define SN_LESS(a, b)		(((a-b)&0x800)!=0)
+#define IsDataFrame(pdu)			(((pdu[0] & 0x0C) == 0x08) ? true : false)
+#define	IsLegacyDataFrame(pdu)	(IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)))
+
+#define IsQoSDataFrame(pframe)  ((*(u16 *)pframe&(IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) == (IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA))
+#define Frame_Order(pframe)     (*(u16 *)pframe&IEEE80211_FCTL_ORDER)
+#define SN_LESS(a, b)		(((a-b)&0x800) != 0)
 #define SN_EQUAL(a, b)	(a == b)
 #define MAX_DEV_ADDR_SIZE 8
 typedef enum _ACT_CATEGORY{
@@ -516,10 +508,10 @@ typedef enum _BA_ACTION{
 } BA_ACTION, *PBA_ACTION;
 
 typedef enum _InitialGainOpType{
-	IG_Backup=0,
+	IG_Backup = 0,
 	IG_Restore,
 	IG_Max
-}InitialGainOpType;
+} InitialGainOpType;
 
 /* debug macros */
 #define CONFIG_IEEE80211_DEBUG
@@ -528,25 +520,26 @@ extern u32 ieee80211_debug_level;
 #define IEEE80211_DEBUG(level, fmt, args...) \
 do { if (ieee80211_debug_level & (level)) \
   printk(KERN_DEBUG "ieee80211: " fmt, ## args); } while (0)
-//wb added to debug out data buf
-//if you want print DATA buffer related BA, please set ieee80211_debug_level to DATA|BA
+/* wb added to debug out data buf
+ * if you want print DATA buffer related BA, please set ieee80211_debug_level
+ * to DATA|BA
+ */
 #define IEEE80211_DEBUG_DATA(level, data, datalen)	\
-	do{ if ((ieee80211_debug_level & (level)) == (level))	\
-		{ 	\
+	do { if ((ieee80211_debug_level & (level)) == (level)) { 	\
 			int i;					\
-			u8* pdata = (u8*) data;			\
+			u8* pdata = (u8 *) data;			\
 			printk(KERN_DEBUG "ieee80211: %s()\n", __FUNCTION__);	\
-			for(i=0; i<(int)(datalen); i++)			\
-			{						\
+			for (i = 0; i < (int)(datalen); i++) {		\
 				printk("%2x ", pdata[i]);		\
-				if ((i+1)%16 == 0) printk("\n");	\
-			}				\
+				if ((i+1)%16 == 0) \
+					printk("\n");	\
+			}	\
 			printk("\n");			\
 		}					\
 	} while (0)
 #else
 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
-#define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while(0)
+#define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while (0)
 #endif	/* CONFIG_IEEE80211_DEBUG */
 
 /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
@@ -589,16 +582,16 @@ do { if (ieee80211_debug_level & (level)) \
 #define IEEE80211_DL_TX            (1<<8)
 #define IEEE80211_DL_RX            (1<<9)
 
-#define IEEE80211_DL_HT		   (1<<10)  //HT
-#define IEEE80211_DL_BA		   (1<<11)  //ba
-#define IEEE80211_DL_TS		   (1<<12)  //TS
+#define IEEE80211_DL_HT		   (1<<10)  /* HT */
+#define IEEE80211_DL_BA		   (1<<11)  /* ba */
+#define IEEE80211_DL_TS		   (1<<12)  /* TS */
 #define IEEE80211_DL_QOS           (1<<13)
 #define IEEE80211_DL_REORDER	   (1<<14)
 #define IEEE80211_DL_IOT	   (1<<15)
 #define IEEE80211_DL_IPS	   (1<<16)
-#define IEEE80211_DL_TRACE	   (1<<29)  //trace function, need to user net_ratelimit() together in order not to print too much to the screen
-#define IEEE80211_DL_DATA	   (1<<30)   //use this flag to control whether print data buf out.
-#define IEEE80211_DL_ERR	   (1<<31)   //always open
+#define IEEE80211_DL_TRACE	   (1<<29)  /* trace function, need to user net_ratelimit() together in order not to print too much to the screen */
+#define IEEE80211_DL_DATA	   (1<<30)   /* use this flag to control whether print data buf out. */
+#define IEEE80211_DL_ERR	   (1<<31)   /* always open */
 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
@@ -618,18 +611,17 @@ do { if (ieee80211_debug_level & (level)) \
 /* Added by Annie, 2005-11-22. */
 #define MAX_STR_LEN     64
 /* I want to see ASCII 33 to 126 only. Otherwise, I print '?'. Annie, 2005-11-22.*/
-#define PRINTABLE(_ch)  (_ch>'!' && _ch<'~')
+#define PRINTABLE(_ch)  (_ch > '!' && _ch < '~')
 #define IEEE80211_PRINT_STR(_Comp, _TitleString, _Ptr, _Len)                            	\
-			if((_Comp) & level)   							\
-			{                                                                       \
+			if ((_Comp) & level) {                                                                       \
 				int             __i;                                            \
 				u8  buffer[MAX_STR_LEN];                                    	\
-				int length = (_Len<MAX_STR_LEN)? _Len : (MAX_STR_LEN-1) ;  	\
+				int length = (_Len < MAX_STR_LEN) ? _Len : (MAX_STR_LEN - 1);  	\
 				memset(buffer, 0, MAX_STR_LEN);                      		\
-				memcpy(buffer, (u8 *)_Ptr, length );            		\
-				for( __i=0; __i<MAX_STR_LEN; __i++ )                            \
-				{                                                               \
-				     if( !PRINTABLE(buffer[__i]) )   buffer[__i] = '?';     	\
+				memcpy(buffer, (u8 *)_Ptr, length);            		\
+				for (__i = 0; __i < MAX_STR_LEN; __i++) {                                                               \
+				     if (!PRINTABLE(buffer[__i]))   \
+						buffer[__i] = '?';     	\
 				}                                                               \
 				buffer[length] = '\0';                                          \
 				printk("Rtl819x: ");                                         	\
@@ -644,9 +636,9 @@ do { if (ieee80211_debug_level & (level)) \
 #include <linux/if_arp.h> /* ARPHRD_ETHER */
 
 #ifndef WIRELESS_SPY
-#define WIRELESS_SPY		// enable iwspy support
+#define WIRELESS_SPY		/* enable iwspy support */
 #endif
-#include <net/iw_handler.h>	// new driver API
+#include <net/iw_handler.h>	/* new driver API */
 
 #ifndef ETH_P_PAE
 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
@@ -873,29 +865,28 @@ struct ieee80211_rx_stats {
 	u32 beacon_time;
 	u8 nic_type;
 	u16       Length;
-	//      u8        DataRate;      // In 0.5 Mbps
-	u8        SignalQuality; // in 0-100 index.
-	s32       RecvSignalPower; // Real power in dBm for this packet, no beautification and aggregation.
-	s8        RxPower; // in dBm Translate from PWdB
-	u8        SignalStrength; // in 0-100 index.
+	u8        SignalQuality; /* in 0-100 index. */
+	s32       RecvSignalPower; /* Real power in dBm for this packet, no beautification and aggregation. */
+	s8        RxPower; /* in dBm Translate from PWdB */
+	u8        SignalStrength; /* in 0-100 index. */
 	u16       bHwError:1;
 	u16       bCRC:1;
 	u16       bICV:1;
 	u16       bShortPreamble:1;
-	u16       Antenna:1;      //for rtl8185
-	u16       Decrypted:1;    //for rtl8185, rtl8187
-	u16       Wakeup:1;       //for rtl8185
-	u16       Reserved0:1;    //for rtl8185
+	u16       Antenna:1;      /* for rtl8185 */
+	u16       Decrypted:1;    /* for rtl8185, rtl8187 */
+	u16       Wakeup:1;       /* for rtl8185 */
+	u16       Reserved0:1;    /* for rtl8185 */
 	u8        AGC;
 	u32       TimeStampLow;
 	u32       TimeStampHigh;
 	bool      bShift;
-	bool      bIsQosData;             // Added by Annie, 2005-12-22.
+	bool      bIsQosData;
 	u8        UserPriority;
 
-	//1!!!!!!!!!!!!!!!!!!!!!!!!!!!
-	//1Attention Please!!!<11n or 8190 specific code should be put below this line>
-	//1!!!!!!!!!!!!!!!!!!!!!!!!!!!
+	/*
+	 * 1Attention Please!!!<11n or 8190 specific code should be put below this line>
+	 */
 
 	u8        RxDrvInfoSize;
 	u8        RxBufShift;
@@ -904,21 +895,20 @@ struct ieee80211_rx_stats {
 	bool      bContainHTC;
 	bool      RxIs40MHzPacket;
 	u32       RxPWDBAll;
-	u8        RxMIMOSignalStrength[4];        // in 0~100 index
+	u8        RxMIMOSignalStrength[4];        /* in 0~100 index */
 	s8        RxMIMOSignalQuality[2];
 	bool      bPacketMatchBSSID;
 	bool      bIsCCK;
 	bool      bPacketToSelf;
-	//added by amy
-	u8*       virtual_address;
-	u16          packetlength;              // Total packet length: Must equal to sum of all FragLength
-	u16          fraglength;                        // FragLength should equal to PacketLength in non-fragment case
-	u16          fragoffset;                        // Data offset for this fragment
+	u8	*virtual_address;
+	u16          packetlength;              /* Total packet length: Must equal to sum of all FragLength */
+	u16          fraglength;                        /* FragLength should equal to PacketLength in non-fragment case */
+	u16          fragoffset;                        /* Data offset for this fragment */
 	u16          ntotalfrag;
 	bool      	  bisrxaggrsubframe;
-	bool		  bPacketBeacon;	//cosa add for rssi
-	bool		  bToSelfBA;		//cosa add for rssi
-	char 	  cck_adc_pwdb[4];	//cosa add for rx path selection
+	bool		  bPacketBeacon;	/* cosa add for rssi */
+	bool		  bToSelfBA;		/* cosa add for rssi */
+	char 	  cck_adc_pwdb[4];	/* cosa add for rx path selection */
 	u16		  Seq_Num;
 
 };
@@ -1045,9 +1035,9 @@ enum ieee80211_mfie {
 	MFIE_TYPE_ERP = 42,
 	MFIE_TYPE_RSN = 48,
 	MFIE_TYPE_RATES_EX = 50,
-	MFIE_TYPE_HT_CAP= 45,
-	 MFIE_TYPE_HT_INFO= 61,
-	 MFIE_TYPE_AIRONET=133,
+	MFIE_TYPE_HT_CAP = 45,
+	MFIE_TYPE_HT_INFO = 61,
+	MFIE_TYPE_AIRONET = 133,
 	MFIE_TYPE_GENERIC = 221,
 	MFIE_TYPE_QOS_PARAMETER = 222,
 };
@@ -1199,7 +1189,7 @@ struct ieee80211_txb {
 struct ieee80211_drv_agg_txb {
 	u8 nr_drv_agg_frames;
 	struct sk_buff *tx_agg_frames[MAX_TX_AGG_COUNT];
-}__attribute__((packed));
+} __attribute__((packed));
 
 #define MAX_SUBFRAME_COUNT 		  64
 struct ieee80211_rxb {
@@ -1207,7 +1197,7 @@ struct ieee80211_rxb {
 	struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
 	u8 dst[ETH_ALEN];
 	u8 src[ETH_ALEN];
-}__attribute__((packed));
+} __attribute__((packed));
 
 typedef union _frameqos {
 	u16 shortdata;
@@ -1218,8 +1208,8 @@ typedef union _frameqos {
 		u16 ack_policy:2;
 		u16 reserved:1;
 		u16 txop:8;
-	}field;
-}frameqos,*pframeqos;
+	} field;
+} frameqos, *pframeqos;
 
 /* SWEEP TABLE ENTRIES NUMBER*/
 #define MAX_SWEEP_TAB_ENTRIES		  42
@@ -1234,7 +1224,7 @@ typedef union _frameqos {
 
 #define MAX_CHANNEL_NUMBER                 161
 #define IEEE80211_SOFTMAC_SCAN_TIME	   100
-//(HZ / 2)
+/* (HZ / 2) */
 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 
 #define CRC_LENGTH                 4U
@@ -1310,7 +1300,6 @@ struct ieee80211_tim_parameters {
 	u8 tim_period;
 } __attribute__ ((packed));
 
-//#else
 struct ieee80211_wmm_ac_param {
 	u8 ac_aci_acm_aifsn;
 	u8 ac_ecwmin_ecwmax;
@@ -1340,7 +1329,7 @@ struct ieee80211_wmm_tspec_elem {
 	u32 min_phy_rate;
 	u16 surp_band_allow;
 	u16 medium_time;
-}__attribute__((packed));
+} __attribute__((packed));
 enum eap_type {
 	EAP_PACKET = 0,
 	EAPOL_START,
@@ -1361,17 +1350,15 @@ static inline const char *eap_get_type(int type)
 {
 	return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
 }
-//added by amy for reorder
-static inline u8 Frame_QoSTID(u8* buf)
+static inline u8 Frame_QoSTID(u8 *buf)
 {
 	struct ieee80211_hdr_3addr *hdr;
 	u16 fc;
 	hdr = (struct ieee80211_hdr_3addr *)buf;
 	fc = le16_to_cpu(hdr->frame_ctl);
-	return (u8)((frameqos*)(buf + (((fc & IEEE80211_FCTL_TODS)&&(fc & IEEE80211_FCTL_FROMDS))? 30 : 24)))->field.tid;
+	return (u8)((frameqos *)(buf + (((fc & IEEE80211_FCTL_TODS) && (fc & IEEE80211_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
 }
 
-//added by amy for reorder
 
 struct eapol {
 	u8 snap[6];
@@ -1429,7 +1416,7 @@ struct ieee80211_info_element_hdr {
 */
 
 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
-#define IEEE80211_DEFAULT_BASIC_RATE 2 //1Mbps
+#define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
 
 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 #define MAX_SP_Len  (WMM_all_frame << 4)
@@ -1445,8 +1432,7 @@ enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 
-//added by David for QoS 2006/6/30
-//#define WMM_Hang_8187
+
 #ifdef WMM_Hang_8187
 #undef WMM_Hang_8187
 #endif
@@ -1461,15 +1447,14 @@ enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 
 #define MAX_RECEIVE_BUFFER_SIZE 9100
 
-//UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
-//#define UP2AC(up)	((up<3) ? ((up==0)?1:0) : (up>>1))
+/* UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP */
 #define UP2AC(up) (		   \
 	((up) < 1) ? WME_AC_BE : \
 	((up) < 3) ? WME_AC_BK : \
 	((up) < 4) ? WME_AC_BE : \
 	((up) < 6) ? WME_AC_VI : \
 	WME_AC_VO)
-//AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
+/* AC Mapping to UP, using in Tx part for selecting the corresponding TX queue */
 #define AC2UP(_ac)	(       \
 	((_ac) == WME_AC_VO) ? 6 : \
 	((_ac) == WME_AC_VI) ? 5 : \
@@ -1496,19 +1481,19 @@ typedef struct _bss_ht{
 
 	bool				support_ht;
 
-	// HT related elements
+	/* HT related elements */
 	u8					ht_cap_buf[32];
 	u16					ht_cap_len;
 	u8					ht_info_buf[32];
 	u16					ht_info_len;
 
 	HT_SPEC_VER			ht_spec_ver;
-	//HT_CAPABILITY_ELE			bdHTCapEle;
-	//HT_INFORMATION_ELE		bdHTInfoEle;
+	/* HT_CAPABILITY_ELE			bdHTCapEle; */
+	/* HT_INFORMATION_ELE		bdHTInfoEle; */
 
 	bool				aggregation;
 	bool				long_slot_time;
-}bss_ht, *pbss_ht;
+} bss_ht, *pbss_ht;
 
 typedef enum _erp_t{
 	ERP_NonERPpresent	= 0x01,
@@ -1525,16 +1510,15 @@ struct ieee80211_network {
 	u8 ssid[IW_ESSID_MAX_SIZE + 1];
 	u8 ssid_len;
 	struct ieee80211_qos_data qos_data;
-	//added by amy for LEAP
 	bool	bWithAironetIE;
 	bool	bCkipSupported;
 	bool	bCcxRmEnable;
 	u16 	CcxRmState[2];
-	// CCXv4 S59, MBSSID.
+	/* CCXv4 S59, MBSSID. */
 	bool	bMBssidValid;
 	u8	MBssidMask;
 	u8	MBssid[6];
-	// CCX 2 S38, WLAN Device Version Number element. Annie, 2006-08-20.
+	/* CCX 2 S38, WLAN Device Version Number element. */
 	bool	bWithCcxVerNum;
 	u8	BssCcxVerNumber;
 	/* These are network statistics */
@@ -1563,29 +1547,28 @@ struct ieee80211_network {
 	u8  dtim_data;
 	u32 last_dtim_sta_time[2];
 
-	//appeded for QoS
+	/* appeded for QoS */
 	u8 wmm_info;
 	struct ieee80211_wmm_ac_param wmm_param[4];
 	u8 QoS_Enable;
 #ifdef THOMAS_TURBO
-	u8 Turbo_Enable;//enable turbo mode, added by thomas
+	u8 Turbo_Enable;/* enable turbo mode, added by thomas */
 #endif
 #ifdef ENABLE_DOT11D
 	u16 CountryIeLen;
 	u8 CountryIeBuf[MAX_IE_LEN];
 #endif
-	// HT Related, by amy, 2008.04.29
+	/* HT Related */
 	BSS_HT	bssht;
-	// Add to handle broadcom AP management frame CCK rate.
+	/* Add to handle broadcom AP management frame CCK rate. */
 	bool broadcom_cap_exist;
 	bool ralink_cap_exist;
 	bool atheros_cap_exist;
 	bool cisco_cap_exist;
 	bool unknown_cap_exist;
-//	u8	berp_info;
 	bool	berp_info_valid;
 	bool buseprotection;
-	//put at the end of the structure.
+	/* put at the end of the structure. */
 	struct list_head list;
 };
 
@@ -1650,75 +1633,66 @@ enum ieee80211_state {
 typedef struct tx_pending_t{
 	int frag;
 	struct ieee80211_txb *txb;
-}tx_pending_t;
+} tx_pending_t;
 
-typedef struct _bandwidth_autoswitch
-{
+typedef struct _bandwidth_autoswitch {
 	long threshold_20Mhzto40Mhz;
 	long	threshold_40Mhzto20Mhz;
 	bool bforced_tx20Mhz;
 	bool bautoswitch_enable;
-}bandwidth_autoswitch,*pbandwidth_autoswitch;
+} bandwidth_autoswitch, *pbandwidth_autoswitch;
 
 
-//added by amy for order
 
 #define REORDER_WIN_SIZE	128
 #define REORDER_ENTRY_NUM	128
-typedef struct _RX_REORDER_ENTRY
-{
+typedef struct _RX_REORDER_ENTRY {
 	struct list_head	List;
 	u16			SeqNum;
-	struct ieee80211_rxb* prxb;
+	struct ieee80211_rxb *prxb;
 } RX_REORDER_ENTRY, *PRX_REORDER_ENTRY;
-//added by amy for order
-typedef enum _Fsync_State{
+
+typedef enum _Fsync_State {
 	Default_Fsync,
 	HW_Fsync,
 	SW_Fsync
-}Fsync_State;
+} Fsync_State;
 
-// Power save mode configured.
-typedef	enum _RT_PS_MODE
-{
-	eActive,	// Active/Continuous access.
-	eMaxPs,		// Max power save mode.
-	eFastPs		// Fast power save mode.
-}RT_PS_MODE;
+/* Power save mode configured. */
+typedef	enum _RT_PS_MODE {
+	eActive,	/* Active/Continuous access. */
+	eMaxPs,		/* Max power save mode. */
+	eFastPs		/* Fast power save mode. */
+} RT_PS_MODE;
 
-typedef enum _IPS_CALLBACK_FUNCION
-{
+typedef enum _IPS_CALLBACK_FUNCION {
 	IPS_CALLBACK_NONE = 0,
 	IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
 	IPS_CALLBACK_JOIN_REQUEST = 2,
-}IPS_CALLBACK_FUNCION;
+} IPS_CALLBACK_FUNCION;
 
-typedef enum _RT_JOIN_ACTION{
+typedef enum _RT_JOIN_ACTION {
 	RT_JOIN_INFRA   = 1,
 	RT_JOIN_IBSS  = 2,
 	RT_START_IBSS = 3,
 	RT_NO_ACTION  = 4,
-}RT_JOIN_ACTION;
+} RT_JOIN_ACTION;
 
-typedef struct _IbssParms{
+typedef struct _IbssParms {
 	u16   atimWin;
-}IbssParms, *PIbssParms;
-#define MAX_NUM_RATES	264 // Max num of support rates element: 8,  Max num of ext. support rate: 255. 061122, by rcnjko.
+} IbssParms, *PIbssParms;
+#define MAX_NUM_RATES	264 /* Max num of support rates element: 8,  Max num of ext. support rate: 255. 061122, by rcnjko. */
 
-// RF state.
-typedef	enum _RT_RF_POWER_STATE
-{
+/* RF state. */
+typedef	enum _RT_RF_POWER_STATE {
 	eRfOn,
 	eRfSleep,
 	eRfOff
-}RT_RF_POWER_STATE;
+} RT_RF_POWER_STATE;
 
-typedef struct _RT_POWER_SAVE_CONTROL
-{
+typedef struct _RT_POWER_SAVE_CONTROL {
 
-	//
-	// Inactive Power Save(IPS) : Disable RF when disconnected
-	//
+	/* Inactive Power Save(IPS) : Disable RF when disconnected */
 	bool				bInactivePs;
 	bool				bIPSModeBackup;
 	bool				bSwRfProcessing;
@@ -1726,15 +1700,15 @@ typedef struct _RT_POWER_SAVE_CONTROL
 	struct work_struct 	InactivePsWorkItem;
 	struct timer_list	InactivePsTimer;
 
-	// Return point for join action
+	/* Return point for join action */
 	IPS_CALLBACK_FUNCION	ReturnPoint;
 
-	// Recored Parameters for rescheduled JoinRequest
+	/* Recored Parameters for rescheduled JoinRequest */
 	bool				bTmpBssDesc;
 	RT_JOIN_ACTION		tmpJoinAction;
 	struct ieee80211_network tmpBssDesc;
 
-	// Recored Parameters for rescheduled MgntLinkRequest
+	/* Recored Parameters for rescheduled MgntLinkRequest */
 	bool				bTmpScanOnly;
 	bool				bTmpActiveScan;
 	bool				bTmpFilterHiddenAP;
@@ -1753,23 +1727,20 @@ typedef struct _RT_POWER_SAVE_CONTROL
 	IbssParms				tmpIbpm;
 	bool				bTmpIbpm;
 
-	//
-	// Leisre Poswer Save : Disable RF if connected but traffic is not busy
-	//
+	/* Leisre Poswer Save : Disable RF if connected but traffic is not busy */
 	bool				bLeisurePs;
 
-}RT_POWER_SAVE_CONTROL,*PRT_POWER_SAVE_CONTROL;
+} RT_POWER_SAVE_CONTROL, *PRT_POWER_SAVE_CONTROL;
 
 typedef u32 RT_RF_CHANGE_SOURCE;
 #define RF_CHANGE_BY_SW BIT31
 #define RF_CHANGE_BY_HW BIT30
 #define RF_CHANGE_BY_PS BIT29
 #define RF_CHANGE_BY_IPS BIT28
-#define RF_CHANGE_BY_INIT	0	// Do not change the RFOff reason. Defined by Bruce, 2008-01-17.
+#define RF_CHANGE_BY_INIT	0	/* Do not change the RFOff reason. */
 
 #ifdef ENABLE_DOT11D
-typedef enum
-{
+typedef enum {
 	COUNTRY_CODE_FCC = 0,
 	COUNTRY_CODE_IC = 1,
 	COUNTRY_CODE_ETSI = 2,
@@ -1781,84 +1752,78 @@ typedef enum
 	COUNTRY_CODE_TELEC,
 	COUNTRY_CODE_MIC,
 	COUNTRY_CODE_GLOBAL_DOMAIN
-}country_code_type_t;
+} country_code_type_t;
 #endif
 
 #define RT_MAX_LD_SLOT_NUM	10
-typedef struct _RT_LINK_DETECT_T{
+typedef struct _RT_LINK_DETECT_T {
 
 	u32				NumRecvBcnInPeriod;
 	u32				NumRecvDataInPeriod;
 
-	u32				RxBcnNum[RT_MAX_LD_SLOT_NUM];	// number of Rx beacon / CheckForHang_period  to determine link status
-	u32				RxDataNum[RT_MAX_LD_SLOT_NUM];	// number of Rx data / CheckForHang_period  to determine link status
-	u16				SlotNum;	// number of CheckForHang period to determine link status
+	u32				RxBcnNum[RT_MAX_LD_SLOT_NUM];	/* number of Rx beacon / CheckForHang_period  to determine link status */
+	u32				RxDataNum[RT_MAX_LD_SLOT_NUM];	/* number of Rx data / CheckForHang_period  to determine link status */
+	u16				SlotNum;	/* number of CheckForHang period to determine link status */
 	u16				SlotIndex;
 
 	u32				NumTxOkInPeriod;
 	u32				NumRxOkInPeriod;
 	bool				bBusyTraffic;
-}RT_LINK_DETECT_T, *PRT_LINK_DETECT_T;
+} RT_LINK_DETECT_T, *PRT_LINK_DETECT_T;
 
 
 struct ieee80211_device {
 	struct net_device *dev;
 	struct ieee80211_security sec;
 
-	//hw security related
-//	u8 hwsec_support; //support?
-	u8 hwsec_active;  //hw security active.
+	/* hw security related */
+	u8 hwsec_active;  /* hw security active. */
 	bool is_silent_reset;
 	bool ieee_up;
-	//added by amy
 	bool bSupportRemoteWakeUp;
-	RT_PS_MODE	dot11PowerSaveMode; // Power save mode configured.
+	RT_PS_MODE	dot11PowerSaveMode; /* Power save mode configured. */
 	bool actscanning;
 	bool beinretry;
 	RT_RF_POWER_STATE		eRFPowerState;
 	RT_RF_CHANGE_SOURCE	RfOffReason;
 	bool is_set_key;
-	//11n spec related I wonder if These info structure need to be moved out of ieee80211_device
+	/* 11n spec related I wonder if These info structure need to be moved out of ieee80211_device */
 
-	//11n HT below
+	/* 11n HT below */
 	PRT_HIGH_THROUGHPUT	pHTInfo;
-	//struct timer_list		SwBwTimer;
-//	spinlock_t chnlop_spinlock;
 	spinlock_t bw_spinlock;
 
 	spinlock_t reorder_spinlock;
-	// for HT operation rate set.  we use this one for HT data rate to seperate different descriptors
-	//the way fill this is the same as in the IE
-	u8	Regdot11HTOperationalRateSet[16];		//use RATR format
-	u8	dot11HTOperationalRateSet[16];		//use RATR format
+	/* for HT operation rate set.  we use this one for HT data rate to
+	 * seperate different descriptors
+	 * the way fill this is the same as in the IE
+	 */
+	u8	Regdot11HTOperationalRateSet[16];		/* use RATR format */
+	u8	dot11HTOperationalRateSet[16];		/* use RATR format */
 	u8	RegHTSuppRateSet[16];
 	u8				HTCurrentOperaRate;
 	u8				HTHighestOperaRate;
-	//wb added for rate operation mode to firmware
+	/* wb added for rate operation mode to firmware */
 	u8	bTxDisableRateFallBack;
 	u8 	bTxUseDriverAssingedRate;
 	atomic_t	atm_chnlop;
 	atomic_t	atm_swbw;
-//	u8	HTHighestOperaRate;
-//	u8 	HTCurrentOperaRate;
 
-	// 802.11e and WMM Traffic Stream Info (TX)
+	/* 802.11e and WMM Traffic Stream Info (TX) */
 	struct list_head		Tx_TS_Admit_List;
 	struct list_head		Tx_TS_Pending_List;
 	struct list_head		Tx_TS_Unused_List;
 	TX_TS_RECORD		TxTsRecord[TOTAL_TS_NUM];
-	// 802.11e and WMM Traffic Stream Info (RX)
+	/* 802.11e and WMM Traffic Stream Info (RX) */
 	struct list_head		Rx_TS_Admit_List;
 	struct list_head		Rx_TS_Pending_List;
 	struct list_head		Rx_TS_Unused_List;
 	RX_TS_RECORD		RxTsRecord[TOTAL_TS_NUM];
-//#ifdef TO_DO_LIST
 	RX_REORDER_ENTRY	RxReorderEntry[128];
 	struct list_head		RxReorder_Unused_List;
-//#endif
-	// Qos related. Added by Annie, 2005-11-01.
-//	PSTA_QOS			pStaQos;
-	u8				ForcedPriority;		// Force per-packet priority 1~7. (default: 0, not to force it.)
+	/* Qos related. */
+/*	PSTA_QOS			pStaQos; */
+	u8				ForcedPriority;		/* Force per-packet priority 1~7. (default: 0, not to force it.) */
 
 
 	/* Bookkeeping structures */
@@ -1925,7 +1890,7 @@ struct ieee80211_device {
 			   * with RX of broad/multicast frames */
 
 	/* Fragmentation structures */
-	// each streaming contain a entry
+	/* each streaming contain a entry */
 	struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
 	unsigned int frag_next_idx[17];
 	u16 fts; /* Fragmentation Threshold */
@@ -1967,16 +1932,16 @@ struct ieee80211_device {
 	u16 prev_seq_ctl;       /* used to drop duplicate frames */
 
 	/* map of allowed channels. 0 is dummy */
-	// FIXME: remeber to default to a basic channel plan depending of the PHY type
+	/* FIXME: remeber to default to a basic channel plan depending of the PHY type */
 #ifdef ENABLE_DOT11D
-	void* pDot11dInfo;
+	void *pDot11dInfo;
 	bool bGlobalDomain;
 #else
 	int channel_map[MAX_CHANNEL_NUMBER+1];
 #endif
 	int rate;       /* current rate */
 	int basic_rate;
-	//FIXME: pleace callback, see if redundant with softmac_features
+	/* FIXME: pleace callback, see if redundant with softmac_features */
 	short active_scan;
 
 	/* this contains flags for selectively enable softmac support */
@@ -2017,8 +1982,8 @@ struct ieee80211_device {
 	short wap_set;
 	short ssid_set;
 
-	u8  wpax_type_set;    //{added by David, 2006.9.28}
-	u32 wpax_type_notify; //{added by David, 2006.9.26}
+	u8  wpax_type_set;
+	u32 wpax_type_notify;
 
 	/* QoS related flag */
 	char init_wmmparam_flag;
@@ -2040,7 +2005,7 @@ struct ieee80211_device {
 	struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
 	int mgmt_queue_head;
 	int mgmt_queue_tail;
-//{ added for rtl819x
+/* added for rtl819x */
 #define IEEE80211_QUEUE_LIMIT 128
 	u8 AsocRetryCount;
 	unsigned int hw_header;
@@ -2049,12 +2014,12 @@ struct ieee80211_device {
 	struct sk_buff_head  skb_drv_aggQ[MAX_QUEUE_SIZE];
 	u32	sta_edca_param[4];
 	bool aggregation;
-	// Enable/Disable Rx immediate BA capability.
+	/* Enable/Disable Rx immediate BA capability. */
 	bool enable_rx_imm_BA;
 	bool bibsscoordinator;
 
-	//+by amy for DM ,080515
-	//Dynamic Tx power for near/far range enable/Disable  , by amy , 2008-05-15
+	/*+by amy for DM ,080515 */
+	/* Dynamic Tx power for near/far range enable/Disable  */
 	bool	bdynamic_txpower_enable;
 
 	bool bCTSToSelfEnable;
@@ -2065,21 +2030,20 @@ struct ieee80211_device {
 	u8	fsync_rssi_threshold;
 	bool	bfsync_enable;
 
-	u8	fsync_multiple_timeinterval;		// FsyncMultipleTimeInterval * FsyncTimeInterval
-	u32	fsync_firstdiff_ratethreshold;		// low threshold
-	u32	fsync_seconddiff_ratethreshold;	 // decrease threshold
+	u8	fsync_multiple_timeinterval;		/* FsyncMultipleTimeInterval * FsyncTimeInterval */
+	u32	fsync_firstdiff_ratethreshold;		/* low threshold */
+	u32	fsync_seconddiff_ratethreshold;	 /* decrease threshold */
 	Fsync_State			fsync_state;
 	bool		bis_any_nonbepkts;
-	//20Mhz 40Mhz AutoSwitch Threshold
+	/* 20Mhz 40Mhz AutoSwitch Threshold */
 	bandwidth_autoswitch bandwidth_auto_switch;
-	//for txpower tracking
+	/* for txpower tracking */
 	bool FwRWRF;
 
-	//added by amy for AP roaming
+	/* added by amy for AP roaming */
 	RT_LINK_DETECT_T	LinkDetectInfo;
-	//added by amy for ps
+	/* added by amy for ps */
 	RT_POWER_SAVE_CONTROL	PowerSaveControl;
-//}
 	/* used if IEEE_SOFTMAC_TX_QUEUE is set */
 	struct  tx_pending_t tx_pending;
 
@@ -2095,11 +2059,8 @@ struct ieee80211_device {
 	 struct delayed_work start_ibss_wq;
 	struct work_struct wx_sync_scan_wq;
 	struct workqueue_struct *wq;
-	// Qos related. Added by Annie, 2005-11-01.
-	//STA_QOS  StaQos;
-
-	//u32 STA_EDCA_PARAM[4];
-	//CHANNEL_ACCESS_SETTING ChannelAccessSetting;
+	/* Qos related. Added by Annie, 2005-11-01. */
+	/* STA_QOS  StaQos; */
 
 
 	/* Callback functions */
@@ -2114,10 +2075,10 @@ struct ieee80211_device {
 			       struct net_device *dev);
 
 	int (*reset_port)(struct net_device *dev);
-	int (*is_queue_full) (struct net_device * dev, int pri);
+	int (*is_queue_full) (struct net_device *dev, int pri);
 
-	int (*handle_management) (struct net_device * dev,
-				  struct ieee80211_network * network, u16 type);
+	int (*handle_management) (struct net_device *dev,
+				  struct ieee80211_network *network, u16 type);
 	int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb);
 
 	/* Softmac-generated frames (mamagement) are TXed via this
@@ -2137,7 +2098,7 @@ struct ieee80211_device {
 	 * This function can't sleep.
 	 */
 	void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
-			       struct net_device *dev,int rate);
+			       struct net_device *dev, int rate);
 
 	/* stops the HW queue for DATA frames. Useful to avoid
 	 * waste time to TX data frame when we are reassociating
@@ -2152,7 +2113,7 @@ struct ieee80211_device {
 	 * This function can sleep. the driver should ensure
 	 * the radio has been swithced before return.
 	 */
-	void (*set_chan)(struct net_device *dev,short ch);
+	void (*set_chan)(struct net_device *dev, short ch);
 
 	/* These are not used if the ieee stack takes care of
 	 * scanning (IEEE_SOFTMAC_SCAN feature set).
@@ -2186,7 +2147,7 @@ struct ieee80211_device {
 	 * stop_send_bacons is NOT guaranteed to be called only
 	 * after start_send_beacons.
 	 */
-	void (*start_send_beacons) (struct net_device *dev,u16 tx_rate);
+	void (*start_send_beacons) (struct net_device *dev, u16 tx_rate);
 	void (*stop_send_beacons) (struct net_device *dev);
 
 	/* power save mode related */
@@ -2194,19 +2155,17 @@ struct ieee80211_device {
 	void (*ps_request_tx_ack) (struct net_device *dev);
 	void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
 	short (*ps_is_queue_empty) (struct net_device *dev);
-	int (*handle_beacon) (struct net_device * dev, struct ieee80211_beacon * beacon, struct ieee80211_network * network);
-	int (*handle_assoc_response) (struct net_device * dev, struct ieee80211_assoc_response_frame * resp, struct ieee80211_network * network);
+	int (*handle_beacon) (struct net_device *dev, struct ieee80211_beacon *beacon, struct ieee80211_network *network);
+	int (*handle_assoc_response) (struct net_device *dev, struct ieee80211_assoc_response_frame *resp, struct ieee80211_network *network);
 
 
 	/* check whether Tx hw resouce available */
 	short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
-	//added by wb for HT related
-//	void (*SwChnlByTimerHandler)(struct net_device *dev, int channel);
+	/* added by wb for HT related */
 	void (*SetBWModeHandler)(struct net_device *dev, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset);
-//	void (*UpdateHalRATRTableHandler)(struct net_device* dev, u8* pMcsRate);
-	bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
-	void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
-	bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
+	bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
+	void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode);
+	bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
 	void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
 
 	/* This must be the last item so that it points to the data
@@ -2307,7 +2266,7 @@ extern inline int ieee80211_get_hdrlen(u16 fc)
 	case IEEE80211_FTYPE_DATA:
 		if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
 			hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
-		if(IEEE80211_QOS_HAS_SEQ(fc))
+		if (IEEE80211_QOS_HAS_SEQ(fc))
 			hdrlen += 2; /* QOS ctrl*/
 		break;
 	case IEEE80211_FTYPE_CTL:
@@ -2408,10 +2367,10 @@ extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
 #if WIRELESS_EXT >= 18
 extern int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
 			    struct iw_request_info *info,
-			    union iwreq_data* wrqu, char *extra);
+			    union iwreq_data *wrqu, char *extra);
 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
 			    struct iw_request_info *info,
-			    union iwreq_data* wrqu, char *extra);
+			    union iwreq_data *wrqu, char *extra);
 extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
 			       struct iw_request_info *info,
 			       struct iw_param *data, char *extra);
@@ -2477,7 +2436,9 @@ extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
 			 union iwreq_data *awrq,
 			 char *extra);
 
-extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
+extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee,
+				struct iw_request_info *a,
+				union iwreq_data *wrqu, char *b);
 
 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
 			     struct iw_request_info *info,
@@ -2506,7 +2467,6 @@ extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_reques
 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
 			     union iwreq_data *wrqu, char *b);
 
-//extern void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee);
 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
 
 
@@ -2533,54 +2493,53 @@ extern int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
 extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
 			     struct iw_request_info *info,
 			     union iwreq_data *wrqu, char *extra);
-//HT
-#define MAX_RECEIVE_BUFFER_SIZE 9100  //
-extern void HTDebugHTCapability(u8* CapIE, u8* TitleString );
-extern void HTDebugHTInfo(u8*  InfoIE, u8* TitleString);
+/* HT */
+#define MAX_RECEIVE_BUFFER_SIZE 9100
+extern void HTDebugHTCapability(u8 *CapIE, u8 *TitleString);
+extern void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString);
 
-void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET    Offset);
-extern void HTUpdateDefaultSetting(struct ieee80211_device* ieee);
-extern void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 isEncrypt);
-extern void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 isEncrypt);
-extern void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len);
+void HTSetConnectBwMode(struct ieee80211_device *ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET    Offset);
+extern void HTUpdateDefaultSetting(struct ieee80211_device *ieee);
+extern void HTConstructCapabilityElement(struct ieee80211_device *ieee, u8 *posHTCap, u8 *len, u8 isEncrypt);
+extern void HTConstructInfoElement(struct ieee80211_device *ieee, u8 *posHTInfo, u8 *len, u8 isEncrypt);
+extern void HTConstructRT2RTAggElement(struct ieee80211_device *ieee, u8 *posRT2RTAgg, u8 *len);
 extern void HTOnAssocRsp(struct ieee80211_device *ieee);
-extern void HTInitializeHTInfo(struct ieee80211_device* ieee);
+extern void HTInitializeHTInfo(struct ieee80211_device *ieee);
 extern void HTInitializeBssDesc(PBSS_HT pBssHT);
-extern void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork);
-extern void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee,   struct ieee80211_network * pNetwork);
-extern u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter);
+extern void HTResetSelfAndSavePeerSetting(struct ieee80211_device *ieee, struct ieee80211_network *pNetwork);
+extern void HTUpdateSelfAndPeerSetting(struct ieee80211_device *ieee,   struct ieee80211_network *pNetwork);
+extern u8 HTGetHighestMCSRate(struct ieee80211_device *ieee, u8 *pMCSRateSet, u8 *pMCSFilter);
 extern u8 MCS_FILTER_ALL[];
 extern u16 MCS_DATA_RATE[2][2][77] ;
-extern u8 HTCCheck(struct ieee80211_device* ieee, u8*   pFrame);
-//extern void HTSetConnectBwModeCallback(unsigned long data);
+extern u8 HTCCheck(struct ieee80211_device *ieee, u8 *pFrame);
 extern void HTResetIOTSetting(PRT_HIGH_THROUGHPUT  pHTInfo);
-extern bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee);
-extern u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee,  u8      nMcsRate);
-extern u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate);
-extern u16  TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate);
-//function in BAPROC.c
-extern int ieee80211_rx_ADDBAReq( struct ieee80211_device* ieee, struct sk_buff *skb);
-extern int ieee80211_rx_ADDBARsp( struct ieee80211_device* ieee, struct sk_buff *skb);
-extern int ieee80211_rx_DELBA(struct ieee80211_device* ieee,struct sk_buff *skb);
-extern void TsInitAddBA( struct ieee80211_device* ieee, PTX_TS_RECORD   pTS, u8 Policy, u8 bOverwritePending);
-extern void TsInitDelBA( struct ieee80211_device* ieee, PTS_COMMON_INFO pTsCommonInfo, TR_SELECT TxRxSelect);
+extern bool IsHTHalfNmodeAPs(struct ieee80211_device *ieee);
+extern u16 HTHalfMcsToDataRate(struct ieee80211_device *ieee,  u8      nMcsRate);
+extern u16 HTMcsToDataRate(struct ieee80211_device *ieee, u8 nMcsRate);
+extern u16  TxCountToDataRate(struct ieee80211_device *ieee, u8 nDataRate);
+/* function in BAPROC.c */
+extern int ieee80211_rx_ADDBAReq(struct ieee80211_device *ieee, struct sk_buff *skb);
+extern int ieee80211_rx_ADDBARsp(struct ieee80211_device *ieee, struct sk_buff *skb);
+extern int ieee80211_rx_DELBA(struct ieee80211_device *ieee, struct sk_buff *skb);
+extern void TsInitAddBA(struct ieee80211_device *ieee, PTX_TS_RECORD   pTS, u8 Policy, u8 bOverwritePending);
+extern void TsInitDelBA(struct ieee80211_device *ieee, PTS_COMMON_INFO pTsCommonInfo, TR_SELECT TxRxSelect);
 extern void BaSetupTimeOut(unsigned long data);
 extern void TxBaInactTimeout(unsigned long data);
 extern void RxBaInactTimeout(unsigned long data);
-extern void ResetBaEntry( PBA_RECORD pBA);
-//function in TS.c
+extern void ResetBaEntry(PBA_RECORD pBA);
+/* function in TS.c */
 extern bool GetTs(
-	struct ieee80211_device*        ieee,
-	PTS_COMMON_INFO                 *ppTS,
-	u8*                             Addr,
+	struct ieee80211_device *ieee,
+	PTS_COMMON_INFO *ppTS,
+	u8				*Addr,
 	u8                              TID,
-	TR_SELECT                       TxRxSelect,  //Rx:1, Tx:0
+	TR_SELECT                       TxRxSelect,  /* Rx:1, Tx:0 */
 	bool                            bAddNewTs
 	);
 extern void TSInitialize(struct ieee80211_device *ieee);
-extern  void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD   pTxTS);
-extern void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr);
-extern void RemoveAllTS(struct ieee80211_device* ieee);
+extern  void TsStartAddBaProcess(struct ieee80211_device *ieee, PTX_TS_RECORD   pTxTS);
+extern void RemovePeerTS(struct ieee80211_device *ieee, u8 *Addr);
+extern void RemoveAllTS(struct ieee80211_device *ieee);
 void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
 
 extern const long ieee80211_wlan_frequencies[];
@@ -2595,7 +2554,8 @@ extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
 	return ieee->scans;
 }
 
-static inline const char *escape_essid(const char *essid, u8 essid_len) {
+static inline const char *escape_essid(const char *essid, u8 essid_len)
+{
 	static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
 	const char *s = essid;
 	char *d = escaped;
@@ -2630,6 +2590,6 @@ extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
 		struct ieee80211_network *network,
 		struct ieee80211_rx_stats *stats);
 
-void ieee80211_indicate_packets(struct ieee80211_device *ieee, struct ieee80211_rxb** prxbIndicateArray,u8  index);
+void ieee80211_indicate_packets(struct ieee80211_device *ieee, struct ieee80211_rxb **prxbIndicateArray, u8  index);
 #define RT_ASOC_RETRY_LIMIT	5
 #endif /* IEEE80211_H */

From 3dc1536b217182b6aeaca815d26cf0dfb71fb80c Mon Sep 17 00:00:00 2001
From: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Date: Sun, 11 Apr 2010 15:05:51 +0300
Subject: [PATCH 1040/3638] Staging: rtl8192u: fix space coding style issue in
 ieee80211_crypt.h

This is a patch to the ieee80211_crypt.h file that fixed up a space
Errors found by the checkpatch.pl tools

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192u/ieee80211_crypt.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8192u/ieee80211_crypt.h b/drivers/staging/rtl8192u/ieee80211_crypt.h
index b58a3bcc0dc..0b4ea431982 100644
--- a/drivers/staging/rtl8192u/ieee80211_crypt.h
+++ b/drivers/staging/rtl8192u/ieee80211_crypt.h
@@ -77,7 +77,7 @@ struct ieee80211_crypt_data {
 
 int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops);
 int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops);
-struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name);
+struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name);
 void ieee80211_crypt_deinit_entries(struct ieee80211_device *, int);
 void ieee80211_crypt_deinit_handler(unsigned long);
 void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee,

From bd2de3585e919cbee635f4cc317b8cca864daf24 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Sun, 11 Apr 2010 15:59:01 -0300
Subject: [PATCH 1041/3638] staging: vt6656: cleared checkpatch.pl findings in
 80211hdr.h

Code cleanup in:
	git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Findings were:
	do not use C99 // comments
	space required after that close brace '}'
	line over 80 characters

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/80211hdr.h | 83 ++++++++++++-------------------
 1 file changed, 33 insertions(+), 50 deletions(-)

diff --git a/drivers/staging/vt6656/80211hdr.h b/drivers/staging/vt6656/80211hdr.h
index e5cee6fd053..15c6ef1a635 100644
--- a/drivers/staging/vt6656/80211hdr.h
+++ b/drivers/staging/vt6656/80211hdr.h
@@ -16,16 +16,13 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- *
  * File: 80211hdr.h
  *
  * Purpose: 802.11 MAC headers related pre-defines and macros.
  *
- *
  * Author: Lyndon Chen
  *
  * Date: Apr 8, 2002
- *
  */
 
 #ifndef __80211HDR_H__
@@ -34,7 +31,8 @@
 #include "ttype.h"
 
 /*---------------------  Export Definitions -------------------------*/
-// bit type
+
+/* bit type */
 #define BIT0	0x00000001
 #define BIT1	0x00000002
 #define BIT2	0x00000004
@@ -68,7 +66,7 @@
 #define BIT30	0x40000000
 #define BIT31	0x80000000
 
-// 802.11 frame related, defined as 802.11 spec
+/* 802.11 frame related, defined as 802.11 spec */
 #define WLAN_ADDR_LEN               6
 #define WLAN_CRC_LEN                4
 #define WLAN_CRC32_LEN              4
@@ -80,13 +78,14 @@
 #define WLAN_HDR_ADDR4_LEN          30
 #define WLAN_IEHDR_LEN              2
 #define WLAN_SSID_MAXLEN            32
-//#define WLAN_RATES_MAXLEN           255
+/* #define WLAN_RATES_MAXLEN           255 */
 #define WLAN_RATES_MAXLEN           16
 #define WLAN_RATES_MAXLEN_11B       4
 #define WLAN_RSN_MAXLEN             32
 #define WLAN_DATA_MAXLEN            2312
-#define WLAN_A3FR_MAXLEN            (WLAN_HDR_ADDR3_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)
-
+#define WLAN_A3FR_MAXLEN            (WLAN_HDR_ADDR3_LEN \
+				     + WLAN_DATA_MAXLEN \
+				     + WLAN_CRC_LEN)
 
 #define WLAN_BEACON_FR_MAXLEN       WLAN_A3FR_MAXLEN
 #define WLAN_ATIM_FR_MAXLEN         (WLAN_HDR_ADDR3_LEN + 0)
@@ -101,12 +100,11 @@
 #define WLAN_AUTHEN_FR_MAXLEN       WLAN_A3FR_MAXLEN
 #define WLAN_DEAUTHEN_FR_MAXLEN     (WLAN_HDR_ADDR3_LEN + 2)
 
-
 #define WLAN_WEP_NKEYS              4
 #define WLAN_WEP40_KEYLEN           5
 #define WLAN_WEP104_KEYLEN          13
 #define WLAN_WEP232_KEYLEN          29
-//#define WLAN_WEPMAX_KEYLEN          29
+/* #define WLAN_WEPMAX_KEYLEN          29 */
 #define WLAN_WEPMAX_KEYLEN          32
 #define WLAN_CHALLENGE_IE_MAXLEN    255
 #define WLAN_CHALLENGE_IE_LEN       130
@@ -115,7 +113,7 @@
 #define WLAN_WEP_ICV_LEN            4
 #define WLAN_FRAGS_MAX              16
 
-// Frame Type
+/* Frame Type */
 #define WLAN_TYPE_MGR 0x00
 #define WLAN_TYPE_CTL  0x01
 #define WLAN_TYPE_DATA 0x02
@@ -124,8 +122,7 @@
 #define WLAN_FTYPE_CTL  0x01
 #define WLAN_FTYPE_DATA 0x02
 
-
-// Frame Subtypes
+/* Frame Subtypes */
 #define WLAN_FSTYPE_ASSOCREQ        0x00
 #define WLAN_FSTYPE_ASSOCRESP       0x01
 #define WLAN_FSTYPE_REASSOCREQ      0x02
@@ -139,7 +136,7 @@
 #define WLAN_FSTYPE_DEAUTHEN        0x0c
 #define WLAN_FSTYPE_ACTION          0x0d
 
-// Control
+/* Control */
 #define WLAN_FSTYPE_PSPOLL          0x0a
 #define WLAN_FSTYPE_RTS             0x0b
 #define WLAN_FSTYPE_CTS             0x0c
@@ -147,7 +144,7 @@
 #define WLAN_FSTYPE_CFEND           0x0e
 #define WLAN_FSTYPE_CFENDCFACK      0x0f
 
-// Data
+/* Data */
 #define WLAN_FSTYPE_DATAONLY        0x00
 #define WLAN_FSTYPE_DATA_CFACK      0x01
 #define WLAN_FSTYPE_DATA_CFPOLL     0x02
@@ -157,13 +154,13 @@
 #define WLAN_FSTYPE_CFPOLL          0x06
 #define WLAN_FSTYPE_CFACK_CFPOLL    0x07
 
-
 #ifdef __BIG_ENDIAN
 
-// GET & SET Frame Control bit
+/* GET & SET Frame Control bit */
 #define WLAN_GET_FC_PRVER(n)    ((((WORD)(n) >> 8) & (BIT0 | BIT1))
 #define WLAN_GET_FC_FTYPE(n)    ((((WORD)(n) >> 8) & (BIT2 | BIT3)) >> 2)
-#define WLAN_GET_FC_FSTYPE(n)   ((((WORD)(n) >> 8) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
+#define WLAN_GET_FC_FSTYPE(n)   ((((WORD)(n) >> 8) \
+				  & (BIT4|BIT5|BIT6|BIT7)) >> 4)
 #define WLAN_GET_FC_TODS(n)     ((((WORD)(n) << 8) & (BIT8)) >> 8)
 #define WLAN_GET_FC_FROMDS(n)   ((((WORD)(n) << 8) & (BIT9)) >> 9)
 #define WLAN_GET_FC_MOREFRAG(n) ((((WORD)(n) << 8) & (BIT10)) >> 10)
@@ -173,12 +170,12 @@
 #define WLAN_GET_FC_ISWEP(n)    ((((WORD)(n) << 8) & (BIT14)) >> 14)
 #define WLAN_GET_FC_ORDER(n)    ((((WORD)(n) << 8) & (BIT15)) >> 15)
 
-// Sequence Field bit
+/* Sequence Field bit */
 #define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3))
-#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
+#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) \
+				 & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
 
-
-// Capability Field bit
+/* Capability Field bit */
 #define WLAN_GET_CAP_INFO_ESS(n)           (((n) >> 8) & BIT0)
 #define WLAN_GET_CAP_INFO_IBSS(n)          ((((n) >> 8) & BIT1) >> 1)
 #define WLAN_GET_CAP_INFO_CFPOLLABLE(n)    ((((n) >> 8) & BIT2) >> 2)
@@ -192,10 +189,9 @@
 #define WLAN_GET_CAP_INFO_DSSSOFDM(n)      ((((n))      & BIT13) >> 13)
 #define WLAN_GET_CAP_INFO_GRPACK(n)        ((((n))      & BIT14) >> 14)
 
-
 #else
 
-// GET & SET Frame Control bit
+/* GET & SET Frame Control bit */
 #define WLAN_GET_FC_PRVER(n)    (((WORD)(n)) & (BIT0 | BIT1))
 #define WLAN_GET_FC_FTYPE(n)    ((((WORD)(n)) & (BIT2 | BIT3)) >> 2)
 #define WLAN_GET_FC_FSTYPE(n)   ((((WORD)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
@@ -208,13 +204,11 @@
 #define WLAN_GET_FC_ISWEP(n)    ((((WORD)(n)) & (BIT14)) >> 14)
 #define WLAN_GET_FC_ORDER(n)    ((((WORD)(n)) & (BIT15)) >> 15)
 
-
-// Sequence Field bit
+/* Sequence Field bit */
 #define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n)) & (BIT0|BIT1|BIT2|BIT3))
 #define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
 
-
-// Capability Field bit
+/* Capability Field bit */
 #define WLAN_GET_CAP_INFO_ESS(n)           ((n) & BIT0)
 #define WLAN_GET_CAP_INFO_IBSS(n)          (((n) & BIT1) >> 1)
 #define WLAN_GET_CAP_INFO_CFPOLLABLE(n)    (((n) & BIT2) >> 2)
@@ -228,9 +222,7 @@
 #define WLAN_GET_CAP_INFO_DSSSOFDM(n)      (((n) & BIT13) >> 13)
 #define WLAN_GET_CAP_INFO_GRPACK(n)        (((n) & BIT14) >> 14)
 
-
-#endif //#ifdef __BIG_ENDIAN
-
+#endif /* #ifdef __BIG_ENDIAN */
 
 #define WLAN_SET_CAP_INFO_ESS(n)           (n)
 #define WLAN_SET_CAP_INFO_IBSS(n)          ((n) << 1)
@@ -245,7 +237,6 @@
 #define WLAN_SET_CAP_INFO_DSSSOFDM(n)      ((n) << 13)
 #define WLAN_SET_CAP_INFO_GRPACK(n)        ((n) << 14)
 
-
 #define WLAN_SET_FC_PRVER(n)    ((WORD)(n))
 #define WLAN_SET_FC_FTYPE(n)    (((WORD)(n)) << 2)
 #define WLAN_SET_FC_FSTYPE(n)   (((WORD)(n)) << 4)
@@ -261,7 +252,7 @@
 #define WLAN_SET_SEQ_FRGNUM(n) ((WORD)(n))
 #define WLAN_SET_SEQ_SEQNUM(n) (((WORD)(n)) << 4)
 
-// ERP Field bit
+/* ERP Field bit */
 
 #define WLAN_GET_ERP_NONERP_PRESENT(n)     ((n) & BIT0)
 #define WLAN_GET_ERP_USE_PROTECTION(n)     (((n) & BIT1) >> 1)
@@ -271,21 +262,19 @@
 #define WLAN_SET_ERP_USE_PROTECTION(n)     ((n) << 1)
 #define WLAN_SET_ERP_BARKER_MODE(n)        ((n) << 2)
 
-
-
-// Support & Basic Rates field
+/* Support & Basic Rates field */
 #define WLAN_MGMT_IS_BASICRATE(b)    ((b) & BIT7)
 #define WLAN_MGMT_GET_RATE(b)        ((b) & ~BIT7)
 
-// TIM field
+/* TIM field */
 #define WLAN_MGMT_IS_MULTICAST_TIM(b)   ((b) & BIT0)
 #define WLAN_MGMT_GET_TIM_OFFSET(b)     (((b) & ~BIT0) >> 1)
 
-// 3-Addr & 4-Addr
+/* 3-Addr & 4-Addr */
 #define WLAN_HDR_A3_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR3_LEN)
 #define WLAN_HDR_A4_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR4_LEN)
 
-// IEEE ADDR
+/* IEEE ADDR */
 #define IEEE_ADDR_UNIVERSAL         0x02
 #define IEEE_ADDR_GROUP             0x01
 
@@ -293,7 +282,7 @@ typedef struct {
     BYTE            abyAddr[6];
 } IEEE_ADDR, *PIEEE_ADDR;
 
-// 802.11 Header Format
+/* 802.11 Header Format */
 
 typedef struct tagWLAN_80211HDR_A2 {
 
@@ -302,7 +291,7 @@ typedef struct tagWLAN_80211HDR_A2 {
     BYTE    abyAddr1[WLAN_ADDR_LEN];
     BYTE    abyAddr2[WLAN_ADDR_LEN];
 
-}__attribute__ ((__packed__))
+} __attribute__ ((__packed__))
 WLAN_80211HDR_A2, *PWLAN_80211HDR_A2;
 
 typedef struct tagWLAN_80211HDR_A3 {
@@ -314,7 +303,7 @@ typedef struct tagWLAN_80211HDR_A3 {
     BYTE    abyAddr3[WLAN_ADDR_LEN];
     WORD    wSeqCtl;
 
-}__attribute__ ((__packed__))
+} __attribute__ ((__packed__))
 WLAN_80211HDR_A3, *PWLAN_80211HDR_A3;
 
 typedef struct tagWLAN_80211HDR_A4 {
@@ -327,10 +316,9 @@ typedef struct tagWLAN_80211HDR_A4 {
     WORD    wSeqCtl;
     BYTE    abyAddr4[WLAN_ADDR_LEN];
 
-}__attribute__ ((__packed__))
+} __attribute__ ((__packed__))
 WLAN_80211HDR_A4, *PWLAN_80211HDR_A4;
 
-
 typedef union tagUWLAN_80211HDR {
 
     WLAN_80211HDR_A2        sA2;
@@ -339,15 +327,10 @@ typedef union tagUWLAN_80211HDR {
 
 } UWLAN_80211HDR, *PUWLAN_80211HDR;
 
-
 /*---------------------  Export Classes  ----------------------------*/
 
 /*---------------------  Export Variables  --------------------------*/
 
 /*---------------------  Export Functions  --------------------------*/
 
-
-
-#endif // __80211HDR_H__
-
-
+#endif /* __80211HDR_H__ */

From fb2a8c88bf87b47169218f15ab21f1c089f7fe17 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Sun, 11 Apr 2010 22:27:13 -0700
Subject: [PATCH 1042/3638] Staging: rt2870: Allow building on ARM

Signed-off-by: Howard Chu <hyc@symas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2870/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rt2870/Kconfig b/drivers/staging/rt2870/Kconfig
index 6ea172b433e..e988680b5be 100644
--- a/drivers/staging/rt2870/Kconfig
+++ b/drivers/staging/rt2870/Kconfig
@@ -1,6 +1,6 @@
 config RT2870
 	tristate "Ralink 2870/3070 wireless support"
-	depends on USB && X86 && WLAN
+	depends on USB && (X86 || ARM) && WLAN
 	select WIRELESS_EXT
 	select WEXT_PRIV
 	select CRC_CCITT

From 53618cc1e51e1f406a467eca9d1dd2675f3ad88e Mon Sep 17 00:00:00 2001
From: Pavan Savoy <pavan_savoy@ti.com>
Date: Thu, 8 Apr 2010 13:16:53 -0500
Subject: [PATCH 1043/3638] Staging: sources for ST core

Texas Instruments BT, FM and GPS combo chips/drivers
make use of a single TTY to communicate with the chip.
This module constitutes the core logic, TTY ldisc driver
and the exported symbols for registering/unregistering of
the protocol drivers such as BT/FM/GPS.

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ti-st/st_core.c | 1062 +++++++++++++++++++++++++++++++
 drivers/staging/ti-st/st_core.h |   98 +++
 2 files changed, 1160 insertions(+)
 create mode 100644 drivers/staging/ti-st/st_core.c
 create mode 100644 drivers/staging/ti-st/st_core.h

diff --git a/drivers/staging/ti-st/st_core.c b/drivers/staging/ti-st/st_core.c
new file mode 100644
index 00000000000..4e93694e1c2
--- /dev/null
+++ b/drivers/staging/ti-st/st_core.c
@@ -0,0 +1,1062 @@
+/*
+ *  Shared Transport Line discipline driver Core
+ *	This hooks up ST KIM driver and ST LL driver
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#define pr_fmt(fmt)	"(stc): " fmt
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+
+/* understand BT, FM and GPS for now */
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/hci.h>
+#include "fm.h"
+/*
+ * packet formats for fm and gps
+ * #include "gps.h"
+ */
+#include "st_core.h"
+#include "st_kim.h"
+#include "st_ll.h"
+#include "st.h"
+
+#ifdef DEBUG
+/* strings to be used for rfkill entries and by
+ * ST Core to be used for sysfs debug entry
+ */
+#define PROTO_ENTRY(type, name)	name
+const unsigned char *protocol_strngs[] = {
+	PROTO_ENTRY(ST_BT, "Bluetooth"),
+	PROTO_ENTRY(ST_FM, "FM"),
+	PROTO_ENTRY(ST_GPS, "GPS"),
+};
+#endif
+/* function pointer pointing to either,
+ * st_kim_recv during registration to receive fw download responses
+ * st_int_recv after registration to receive proto stack responses
+ */
+void (*st_recv) (void*, const unsigned char*, long);
+
+/********************************************************************/
+#if 0
+/* internal misc functions */
+bool is_protocol_list_empty(void)
+{
+	unsigned char i = 0;
+	pr_info(" %s ", __func__);
+	for (i = 0; i < ST_MAX; i++) {
+		if (st_gdata->list[i] != NULL)
+			return ST_NOTEMPTY;
+		/* not empty */
+	}
+	/* list empty */
+	return ST_EMPTY;
+}
+#endif
+/* can be called in from
+ * -- KIM (during fw download)
+ * -- ST Core (during st_write)
+ *
+ *  This is the internal write function - a wrapper
+ *  to tty->ops->write
+ */
+int st_int_write(struct st_data_s *st_gdata,
+	const unsigned char *data, int count)
+{
+#ifdef VERBOSE			/* for debug */
+	int i;
+#endif
+	struct tty_struct *tty;
+	if (unlikely(st_gdata == NULL || st_gdata->tty == NULL)) {
+		pr_err("tty unavailable to perform write");
+		return ST_ERR_FAILURE;
+	}
+	tty = st_gdata->tty;
+#ifdef VERBOSE
+	printk(KERN_ERR "start data..\n");
+	for (i = 0; i < count; i++)	/* no newlines for each datum */
+		printk(" %x", data[i]);
+	printk(KERN_ERR "\n ..end data\n");
+#endif
+	return tty->ops->write(tty, data, count);
+
+}
+
+/*
+ * push the skb received to relevant
+ * protocol stacks
+ */
+void st_send_frame(enum proto_type protoid, struct st_data_s *st_gdata)
+{
+	pr_info(" %s(prot:%d) ", __func__, protoid);
+
+	if (unlikely
+	    (st_gdata == NULL || st_gdata->rx_skb == NULL
+	     || st_gdata->list[protoid] == NULL)) {
+		pr_err("protocol %d not registered, no data to send?",
+			   protoid);
+		kfree_skb(st_gdata->rx_skb);
+		return;
+	}
+	/* this cannot fail
+	 * this shouldn't take long
+	 * - should be just skb_queue_tail for the
+	 *   protocol stack driver
+	 */
+	if (likely(st_gdata->list[protoid]->recv != NULL)) {
+		if (unlikely(st_gdata->list[protoid]->recv(st_gdata->rx_skb)
+			     != ST_SUCCESS)) {
+			pr_err(" proto stack %d's ->recv failed", protoid);
+			kfree_skb(st_gdata->rx_skb);
+			return;
+		}
+	} else {
+		pr_err(" proto stack %d's ->recv null", protoid);
+		kfree_skb(st_gdata->rx_skb);
+	}
+	pr_info(" done %s", __func__);
+	return;
+}
+
+/*
+ * to call registration complete callbacks
+ * of all protocol stack drivers
+ */
+void st_reg_complete(struct st_data_s *st_gdata, char err)
+{
+	unsigned char i = 0;
+	pr_info(" %s ", __func__);
+	for (i = 0; i < ST_MAX; i++) {
+		if (likely(st_gdata != NULL && st_gdata->list[i] != NULL &&
+			   st_gdata->list[i]->reg_complete_cb != NULL))
+			st_gdata->list[i]->reg_complete_cb(err);
+	}
+}
+
+static inline int st_check_data_len(struct st_data_s *st_gdata,
+	int protoid, int len)
+{
+	register int room = skb_tailroom(st_gdata->rx_skb);
+
+	pr_info("len %d room %d", len, room);
+
+	if (!len) {
+		/* Received packet has only packet header and
+		 * has zero length payload. So, ask ST CORE to
+		 * forward the packet to protocol driver (BT/FM/GPS)
+		 */
+		st_send_frame(protoid, st_gdata);
+
+	} else if (len > room) {
+		/* Received packet's payload length is larger.
+		 * We can't accommodate it in created skb.
+		 */
+		pr_err("Data length is too large len %d room %d", len,
+			   room);
+		kfree_skb(st_gdata->rx_skb);
+	} else {
+		/* Packet header has non-zero payload length and
+		 * we have enough space in created skb. Lets read
+		 * payload data */
+		st_gdata->rx_state = ST_BT_W4_DATA;
+		st_gdata->rx_count = len;
+		return len;
+	}
+
+	/* Change ST state to continue to process next
+	 * packet */
+	st_gdata->rx_state = ST_W4_PACKET_TYPE;
+	st_gdata->rx_skb = NULL;
+	st_gdata->rx_count = 0;
+
+	return 0;
+}
+
+/* internal function for action when wake-up ack
+ * received
+ */
+static inline void st_wakeup_ack(struct st_data_s *st_gdata,
+	unsigned char cmd)
+{
+	register struct sk_buff *waiting_skb;
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&st_gdata->lock, flags);
+	/* de-Q from waitQ and Q in txQ now that the
+	 * chip is awake
+	 */
+	while ((waiting_skb = skb_dequeue(&st_gdata->tx_waitq)))
+		skb_queue_tail(&st_gdata->txq, waiting_skb);
+
+	/* state forwarded to ST LL */
+	st_ll_sleep_state(st_gdata, (unsigned long)cmd);
+	spin_unlock_irqrestore(&st_gdata->lock, flags);
+
+	/* wake up to send the recently copied skbs from waitQ */
+	st_tx_wakeup(st_gdata);
+}
+
+/* Decodes received RAW data and forwards to corresponding
+ * client drivers (Bluetooth,FM,GPS..etc).
+ *
+ */
+void st_int_recv(void *disc_data,
+	const unsigned char *data, long count)
+{
+	register char *ptr;
+	struct hci_event_hdr *eh;
+	struct hci_acl_hdr *ah;
+	struct hci_sco_hdr *sh;
+	struct fm_event_hdr *fm;
+	struct gps_event_hdr *gps;
+	register int len = 0, type = 0, dlen = 0;
+	static enum proto_type protoid = ST_MAX;
+	struct st_data_s *st_gdata = (struct st_data_s *)disc_data;
+
+	ptr = (char *)data;
+	/* tty_receive sent null ? */
+	if (unlikely(ptr == NULL) || (st_gdata == NULL)) {
+		pr_err(" received null from TTY ");
+		return;
+	}
+
+	pr_info("count %ld rx_state %ld"
+		   "rx_count %ld", count, st_gdata->rx_state,
+		   st_gdata->rx_count);
+
+	/* Decode received bytes here */
+	while (count) {
+		if (st_gdata->rx_count) {
+			len = min_t(unsigned int, st_gdata->rx_count, count);
+			memcpy(skb_put(st_gdata->rx_skb, len), ptr, len);
+			st_gdata->rx_count -= len;
+			count -= len;
+			ptr += len;
+
+			if (st_gdata->rx_count)
+				continue;
+
+			/* Check ST RX state machine , where are we? */
+			switch (st_gdata->rx_state) {
+
+				/* Waiting for complete packet ? */
+			case ST_BT_W4_DATA:
+				pr_info("Complete pkt received");
+
+				/* Ask ST CORE to forward
+				 * the packet to protocol driver */
+				st_send_frame(protoid, st_gdata);
+
+				st_gdata->rx_state = ST_W4_PACKET_TYPE;
+				st_gdata->rx_skb = NULL;
+				protoid = ST_MAX;	/* is this required ? */
+				continue;
+
+				/* Waiting for Bluetooth event header ? */
+			case ST_BT_W4_EVENT_HDR:
+				eh = (struct hci_event_hdr *)st_gdata->rx_skb->
+				    data;
+
+				pr_info("Event header: evt 0x%2.2x"
+					   "plen %d", eh->evt, eh->plen);
+
+				st_check_data_len(st_gdata, protoid, eh->plen);
+				continue;
+
+				/* Waiting for Bluetooth acl header ? */
+			case ST_BT_W4_ACL_HDR:
+				ah = (struct hci_acl_hdr *)st_gdata->rx_skb->
+				    data;
+				dlen = __le16_to_cpu(ah->dlen);
+
+				pr_info("ACL header: dlen %d", dlen);
+
+				st_check_data_len(st_gdata, protoid, dlen);
+				continue;
+
+				/* Waiting for Bluetooth sco header ? */
+			case ST_BT_W4_SCO_HDR:
+				sh = (struct hci_sco_hdr *)st_gdata->rx_skb->
+				    data;
+
+				pr_info("SCO header: dlen %d", sh->dlen);
+
+				st_check_data_len(st_gdata, protoid, sh->dlen);
+				continue;
+			case ST_FM_W4_EVENT_HDR:
+				fm = (struct fm_event_hdr *)st_gdata->rx_skb->
+				    data;
+				pr_info("FM Header: ");
+				st_check_data_len(st_gdata, ST_FM, fm->plen);
+				continue;
+				/* TODO : Add GPS packet machine logic here */
+			case ST_GPS_W4_EVENT_HDR:
+				/* [0x09 pkt hdr][R/W byte][2 byte len] */
+				gps = (struct gps_event_hdr *)st_gdata->rx_skb->
+				     data;
+				pr_info("GPS Header: ");
+				st_check_data_len(st_gdata, ST_GPS, gps->plen);
+				continue;
+			}	/* end of switch rx_state */
+		}
+
+		/* end of if rx_count */
+		/* Check first byte of packet and identify module
+		 * owner (BT/FM/GPS) */
+		switch (*ptr) {
+
+			/* Bluetooth event packet? */
+		case HCI_EVENT_PKT:
+			pr_info("Event packet");
+			st_gdata->rx_state = ST_BT_W4_EVENT_HDR;
+			st_gdata->rx_count = HCI_EVENT_HDR_SIZE;
+			type = HCI_EVENT_PKT;
+			protoid = ST_BT;
+			break;
+
+			/* Bluetooth acl packet? */
+		case HCI_ACLDATA_PKT:
+			pr_info("ACL packet");
+			st_gdata->rx_state = ST_BT_W4_ACL_HDR;
+			st_gdata->rx_count = HCI_ACL_HDR_SIZE;
+			type = HCI_ACLDATA_PKT;
+			protoid = ST_BT;
+			break;
+
+			/* Bluetooth sco packet? */
+		case HCI_SCODATA_PKT:
+			pr_info("SCO packet");
+			st_gdata->rx_state = ST_BT_W4_SCO_HDR;
+			st_gdata->rx_count = HCI_SCO_HDR_SIZE;
+			type = HCI_SCODATA_PKT;
+			protoid = ST_BT;
+			break;
+
+			/* Channel 8(FM) packet? */
+		case ST_FM_CH8_PKT:
+			pr_info("FM CH8 packet");
+			type = ST_FM_CH8_PKT;
+			st_gdata->rx_state = ST_FM_W4_EVENT_HDR;
+			st_gdata->rx_count = FM_EVENT_HDR_SIZE;
+			protoid = ST_FM;
+			break;
+
+			/* Channel 9(GPS) packet? */
+		case 0x9:	/*ST_LL_GPS_CH9_PKT */
+			pr_info("GPS CH9 packet");
+			type = 0x9;	/* ST_LL_GPS_CH9_PKT; */
+			protoid = ST_GPS;
+			st_gdata->rx_state = ST_GPS_W4_EVENT_HDR;
+			st_gdata->rx_count = 3;	/* GPS_EVENT_HDR_SIZE -1*/
+			break;
+		case LL_SLEEP_IND:
+		case LL_SLEEP_ACK:
+		case LL_WAKE_UP_IND:
+			pr_info("PM packet");
+			/* this takes appropriate action based on
+			 * sleep state received --
+			 */
+			st_ll_sleep_state(st_gdata, *ptr);
+			ptr++;
+			count--;
+			continue;
+		case LL_WAKE_UP_ACK:
+			pr_info("PM packet");
+			/* wake up ack received */
+			st_wakeup_ack(st_gdata, *ptr);
+			ptr++;
+			count--;
+			continue;
+			/* Unknow packet? */
+		default:
+			pr_err("Unknown packet type %2.2x", (__u8) *ptr);
+			ptr++;
+			count--;
+			continue;
+		};
+		ptr++;
+		count--;
+
+		switch (protoid) {
+		case ST_BT:
+			/* Allocate new packet to hold received data */
+			st_gdata->rx_skb =
+			    bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
+			if (!st_gdata->rx_skb) {
+				pr_err("Can't allocate mem for new packet");
+				st_gdata->rx_state = ST_W4_PACKET_TYPE;
+				st_gdata->rx_count = 0;
+				return;
+			}
+			bt_cb(st_gdata->rx_skb)->pkt_type = type;
+			break;
+		case ST_FM:	/* for FM */
+			st_gdata->rx_skb =
+			    alloc_skb(FM_MAX_FRAME_SIZE, GFP_ATOMIC);
+			if (!st_gdata->rx_skb) {
+				pr_err("Can't allocate mem for new packet");
+				st_gdata->rx_state = ST_W4_PACKET_TYPE;
+				st_gdata->rx_count = 0;
+				return;
+			}
+			/* place holder 0x08 */
+			skb_reserve(st_gdata->rx_skb, 1);
+			st_gdata->rx_skb->cb[0] = ST_FM_CH8_PKT;
+			break;
+		case ST_GPS:
+			/* for GPS */
+			st_gdata->rx_skb =
+			    alloc_skb(100 /*GPS_MAX_FRAME_SIZE */ , GFP_ATOMIC);
+			if (!st_gdata->rx_skb) {
+				pr_err("Can't allocate mem for new packet");
+				st_gdata->rx_state = ST_W4_PACKET_TYPE;
+				st_gdata->rx_count = 0;
+				return;
+			}
+			/* place holder 0x09 */
+			skb_reserve(st_gdata->rx_skb, 1);
+			st_gdata->rx_skb->cb[0] = 0x09;	/*ST_GPS_CH9_PKT; */
+			break;
+		case ST_MAX:
+			break;
+		}
+	}
+	pr_info("done %s", __func__);
+	return;
+}
+
+/* internal de-Q function
+ * -- return previous in-completely written skb
+ *  or return the skb in the txQ
+ */
+struct sk_buff *st_int_dequeue(struct st_data_s *st_gdata)
+{
+	struct sk_buff *returning_skb;
+
+	pr_info("%s", __func__);
+	/* if the previous skb wasn't written completely
+	 */
+	if (st_gdata->tx_skb != NULL) {
+		returning_skb = st_gdata->tx_skb;
+		st_gdata->tx_skb = NULL;
+		return returning_skb;
+	}
+
+	/* de-Q from the txQ always if previous write is complete */
+	return skb_dequeue(&st_gdata->txq);
+}
+
+/* internal Q-ing function
+ * will either Q the skb to txq or the tx_waitq
+ * depending on the ST LL state
+ *
+ * lock the whole func - since ll_getstate and Q-ing should happen
+ * in one-shot
+ */
+void st_int_enqueue(struct st_data_s *st_gdata, struct sk_buff *skb)
+{
+	unsigned long flags = 0;
+
+	pr_info("%s", __func__);
+	/* this function can be invoked in more then one context.
+	 * so have a lock */
+	spin_lock_irqsave(&st_gdata->lock, flags);
+
+	switch (st_ll_getstate(st_gdata)) {
+	case ST_LL_AWAKE:
+		pr_info("ST LL is AWAKE, sending normally");
+		skb_queue_tail(&st_gdata->txq, skb);
+		break;
+	case ST_LL_ASLEEP_TO_AWAKE:
+		skb_queue_tail(&st_gdata->tx_waitq, skb);
+		break;
+	case ST_LL_AWAKE_TO_ASLEEP:	/* host cannot be in this state */
+		pr_err("ST LL is illegal state(%ld),"
+			   "purging received skb.", st_ll_getstate(st_gdata));
+		kfree_skb(skb);
+		break;
+
+	case ST_LL_ASLEEP:
+		/* call a function of ST LL to put data
+		 * in tx_waitQ and wake_ind in txQ
+		 */
+		skb_queue_tail(&st_gdata->tx_waitq, skb);
+		st_ll_wakeup(st_gdata);
+		break;
+	default:
+		pr_err("ST LL is illegal state(%ld),"
+			   "purging received skb.", st_ll_getstate(st_gdata));
+		kfree_skb(skb);
+		break;
+	}
+	spin_unlock_irqrestore(&st_gdata->lock, flags);
+	pr_info("done %s", __func__);
+	return;
+}
+
+/*
+ * internal wakeup function
+ * called from either
+ * - TTY layer when write's finished
+ * - st_write (in context of the protocol stack)
+ */
+void st_tx_wakeup(struct st_data_s *st_data)
+{
+	struct sk_buff *skb;
+	unsigned long flags;	/* for irq save flags */
+	pr_info("%s", __func__);
+	/* check for sending & set flag sending here */
+	if (test_and_set_bit(ST_TX_SENDING, &st_data->tx_state)) {
+		pr_info("ST already sending");
+		/* keep sending */
+		set_bit(ST_TX_WAKEUP, &st_data->tx_state);
+		return;
+		/* TX_WAKEUP will be checked in another
+		 * context
+		 */
+	}
+	do {			/* come back if st_tx_wakeup is set */
+		/* woke-up to write */
+		clear_bit(ST_TX_WAKEUP, &st_data->tx_state);
+		while ((skb = st_int_dequeue(st_data))) {
+			int len;
+			spin_lock_irqsave(&st_data->lock, flags);
+			/* enable wake-up from TTY */
+			set_bit(TTY_DO_WRITE_WAKEUP, &st_data->tty->flags);
+			len = st_int_write(st_data, skb->data, skb->len);
+			skb_pull(skb, len);
+			/* if skb->len = len as expected, skb->len=0 */
+			if (skb->len) {
+				/* would be the next skb to be sent */
+				st_data->tx_skb = skb;
+				spin_unlock_irqrestore(&st_data->lock, flags);
+				break;
+			}
+			kfree_skb(skb);
+			spin_unlock_irqrestore(&st_data->lock, flags);
+		}
+		/* if wake-up is set in another context- restart sending */
+	} while (test_bit(ST_TX_WAKEUP, &st_data->tx_state));
+
+	/* clear flag sending */
+	clear_bit(ST_TX_SENDING, &st_data->tx_state);
+}
+
+/********************************************************************/
+/* functions called from ST KIM
+*/
+void kim_st_list_protocols(struct st_data_s *st_gdata, char *buf)
+{
+	unsigned long flags = 0;
+#ifdef DEBUG
+	unsigned char i = ST_MAX;
+#endif
+	spin_lock_irqsave(&st_gdata->lock, flags);
+#ifdef DEBUG			/* more detailed log */
+	for (i = 0; i < ST_MAX; i++) {
+		if (i == 0) {
+			sprintf(buf, "%s is %s", protocol_strngs[i],
+				st_gdata->list[i] !=
+				NULL ? "Registered" : "Unregistered");
+		} else {
+			sprintf(buf, "%s\n%s is %s", buf, protocol_strngs[i],
+				st_gdata->list[i] !=
+				NULL ? "Registered" : "Unregistered");
+		}
+	}
+	sprintf(buf, "%s\n", buf);
+#else /* limited info */
+	sprintf(buf, "BT=%c\nFM=%c\nGPS=%c\n",
+		st_gdata->list[ST_BT] != NULL ? 'R' : 'U',
+		st_gdata->list[ST_FM] != NULL ? 'R' : 'U',
+		st_gdata->list[ST_GPS] != NULL ? 'R' : 'U');
+#endif
+	spin_unlock_irqrestore(&st_gdata->lock, flags);
+}
+
+/********************************************************************/
+/*
+ * functions called from protocol stack drivers
+ * to be EXPORT-ed
+ */
+long st_register(struct st_proto_s *new_proto)
+{
+	struct st_data_s	*st_gdata;
+	long err = ST_SUCCESS;
+	unsigned long flags = 0;
+
+	st_kim_ref(&st_gdata);
+	pr_info("%s(%d) ", __func__, new_proto->type);
+	if (st_gdata == NULL || new_proto == NULL || new_proto->recv == NULL
+	    || new_proto->reg_complete_cb == NULL) {
+		pr_err("gdata/new_proto/recv or reg_complete_cb not ready");
+		return ST_ERR_FAILURE;
+	}
+
+	if (new_proto->type < ST_BT || new_proto->type >= ST_MAX) {
+		pr_err("protocol %d not supported", new_proto->type);
+		return ST_ERR_NOPROTO;
+	}
+
+	if (st_gdata->list[new_proto->type] != NULL) {
+		pr_err("protocol %d already registered", new_proto->type);
+		return ST_ERR_ALREADY;
+	}
+
+	/* can be from process context only */
+	spin_lock_irqsave(&st_gdata->lock, flags);
+
+	if (test_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state)) {
+		pr_info(" ST_REG_IN_PROGRESS:%d ", new_proto->type);
+		/* fw download in progress */
+		st_kim_chip_toggle(new_proto->type, KIM_GPIO_ACTIVE);
+
+		st_gdata->list[new_proto->type] = new_proto;
+		new_proto->write = st_write;
+
+		set_bit(ST_REG_PENDING, &st_gdata->st_state);
+		spin_unlock_irqrestore(&st_gdata->lock, flags);
+		return ST_ERR_PENDING;
+	} else if (st_gdata->protos_registered == ST_EMPTY) {
+		pr_info(" protocol list empty :%d ", new_proto->type);
+		set_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state);
+		st_recv = st_kim_recv;
+
+		/* release lock previously held - re-locked below */
+		spin_unlock_irqrestore(&st_gdata->lock, flags);
+
+		/* enable the ST LL - to set default chip state */
+		st_ll_enable(st_gdata);
+		/* this may take a while to complete
+		 * since it involves BT fw download
+		 */
+		err = st_kim_start();
+		if (err != ST_SUCCESS) {
+			clear_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state);
+			if ((st_gdata->protos_registered != ST_EMPTY) &&
+			    (test_bit(ST_REG_PENDING, &st_gdata->st_state))) {
+				pr_err(" KIM failure complete callback ");
+				st_reg_complete(st_gdata, ST_ERR_FAILURE);
+			}
+
+			return ST_ERR_FAILURE;
+		}
+
+		/* the protocol might require other gpios to be toggled
+		 */
+		st_kim_chip_toggle(new_proto->type, KIM_GPIO_ACTIVE);
+
+		clear_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state);
+		st_recv = st_int_recv;
+
+		/* this is where all pending registration
+		 * are signalled to be complete by calling callback functions
+		 */
+		if ((st_gdata->protos_registered != ST_EMPTY) &&
+		    (test_bit(ST_REG_PENDING, &st_gdata->st_state))) {
+			pr_info(" call reg complete callback ");
+			st_gdata->protos_registered++;
+			st_reg_complete(st_gdata, ST_SUCCESS);
+		}
+		clear_bit(ST_REG_PENDING, &st_gdata->st_state);
+
+		/* check for already registered once more,
+		 * since the above check is old
+		 */
+		if (st_gdata->list[new_proto->type] != NULL) {
+			pr_err(" proto %d already registered ",
+				   new_proto->type);
+			return ST_ERR_ALREADY;
+		}
+
+		spin_lock_irqsave(&st_gdata->lock, flags);
+		st_gdata->list[new_proto->type] = new_proto;
+		new_proto->write = st_write;
+		spin_unlock_irqrestore(&st_gdata->lock, flags);
+		return err;
+	}
+	/* if fw is already downloaded & new stack registers protocol */
+	else {
+		switch (new_proto->type) {
+		case ST_BT:
+			/* do nothing */
+			break;
+		case ST_FM:
+		case ST_GPS:
+			st_kim_chip_toggle(new_proto->type, KIM_GPIO_ACTIVE);
+			break;
+		case ST_MAX:
+		default:
+			pr_err("%d protocol not supported",
+				   new_proto->type);
+			err = ST_ERR_NOPROTO;
+			/* something wrong */
+			break;
+		}
+		st_gdata->list[new_proto->type] = new_proto;
+		new_proto->write = st_write;
+
+		/* lock already held before entering else */
+		spin_unlock_irqrestore(&st_gdata->lock, flags);
+		return err;
+	}
+	pr_info("done %s(%d) ", __func__, new_proto->type);
+}
+EXPORT_SYMBOL_GPL(st_register);
+
+/* to unregister a protocol -
+ * to be called from protocol stack driver
+ */
+long st_unregister(enum proto_type type)
+{
+	long err = ST_SUCCESS;
+	unsigned long flags = 0;
+	struct st_data_s	*st_gdata;
+
+	pr_info("%s: %d ", __func__, type);
+
+	st_kim_ref(&st_gdata);
+	if (type < ST_BT || type >= ST_MAX) {
+		pr_err(" protocol %d not supported", type);
+		return ST_ERR_NOPROTO;
+	}
+
+	spin_lock_irqsave(&st_gdata->lock, flags);
+
+	if (st_gdata->list[type] == NULL) {
+		pr_err(" protocol %d not registered", type);
+		spin_unlock_irqrestore(&st_gdata->lock, flags);
+		return ST_ERR_NOPROTO;
+	}
+
+	st_gdata->protos_registered--;
+	st_gdata->list[type] = NULL;
+
+	/* kim ignores BT in the below function
+	 * and handles the rest, BT is toggled
+	 * only in kim_start and kim_stop
+	 */
+	st_kim_chip_toggle(type, KIM_GPIO_INACTIVE);
+	spin_unlock_irqrestore(&st_gdata->lock, flags);
+
+	if ((st_gdata->protos_registered == ST_EMPTY) &&
+	    (!test_bit(ST_REG_PENDING, &st_gdata->st_state))) {
+		pr_info(" all protocols unregistered ");
+
+		/* stop traffic on tty */
+		if (st_gdata->tty) {
+			tty_ldisc_flush(st_gdata->tty);
+			stop_tty(st_gdata->tty);
+		}
+
+		/* all protocols now unregistered */
+		st_kim_stop();
+		/* disable ST LL */
+		st_ll_disable(st_gdata);
+	}
+	return err;
+}
+
+/*
+ * called in protocol stack drivers
+ * via the write function pointer
+ */
+long st_write(struct sk_buff *skb)
+{
+	struct st_data_s *st_gdata;
+#ifdef DEBUG
+	enum proto_type protoid = ST_MAX;
+#endif
+	long len;
+
+	st_kim_ref(&st_gdata);
+	if (unlikely(skb == NULL || st_gdata == NULL
+		|| st_gdata->tty == NULL)) {
+		pr_err("data/tty unavailable to perform write");
+		return ST_ERR_FAILURE;
+	}
+#ifdef DEBUG			/* open-up skb to read the 1st byte */
+	switch (skb->data[0]) {
+	case HCI_COMMAND_PKT:
+	case HCI_ACLDATA_PKT:
+	case HCI_SCODATA_PKT:
+		protoid = ST_BT;
+		break;
+	case ST_FM_CH8_PKT:
+		protoid = ST_FM;
+		break;
+	case 0x09:
+		protoid = ST_GPS;
+		break;
+	}
+	if (unlikely(st_gdata->list[protoid] == NULL)) {
+		pr_err(" protocol %d not registered, and writing? ",
+			   protoid);
+		return ST_ERR_FAILURE;
+	}
+#endif
+	pr_info("%d to be written", skb->len);
+	len = skb->len;
+
+	/* st_ll to decide where to enqueue the skb */
+	st_int_enqueue(st_gdata, skb);
+	/* wake up */
+	st_tx_wakeup(st_gdata);
+
+	/* return number of bytes written */
+	return len;
+}
+
+/* for protocols making use of shared transport */
+EXPORT_SYMBOL_GPL(st_unregister);
+
+/********************************************************************/
+/*
+ * functions called from TTY layer
+ */
+static int st_tty_open(struct tty_struct *tty)
+{
+	int err = ST_SUCCESS;
+	struct st_data_s *st_gdata;
+	pr_info("%s ", __func__);
+
+	st_kim_ref(&st_gdata);
+	st_gdata->tty = tty;
+	tty->disc_data = st_gdata;
+
+	/* don't do an wakeup for now */
+	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+
+	/* mem already allocated
+	 */
+	tty->receive_room = 65536;
+	/* Flush any pending characters in the driver and discipline. */
+	tty_ldisc_flush(tty);
+	tty_driver_flush_buffer(tty);
+	/*
+	 * signal to UIM via KIM that -
+	 * installation of N_TI_WL ldisc is complete
+	 */
+	st_kim_complete();
+	pr_info("done %s", __func__);
+	return err;
+}
+
+static void st_tty_close(struct tty_struct *tty)
+{
+	unsigned char i = ST_MAX;
+	unsigned long flags = 0;
+	struct	st_data_s *st_gdata = tty->disc_data;
+
+	pr_info("%s ", __func__);
+
+	/* TODO:
+	 * if a protocol has been registered & line discipline
+	 * un-installed for some reason - what should be done ?
+	 */
+	spin_lock_irqsave(&st_gdata->lock, flags);
+	for (i = ST_BT; i < ST_MAX; i++) {
+		if (st_gdata->list[i] != NULL)
+			pr_err("%d not un-registered", i);
+		st_gdata->list[i] = NULL;
+	}
+	spin_unlock_irqrestore(&st_gdata->lock, flags);
+	/*
+	 * signal to UIM via KIM that -
+	 * N_TI_WL ldisc is un-installed
+	 */
+	st_kim_complete();
+	st_gdata->tty = NULL;
+	/* Flush any pending characters in the driver and discipline. */
+	tty_ldisc_flush(tty);
+	tty_driver_flush_buffer(tty);
+
+	spin_lock_irqsave(&st_gdata->lock, flags);
+	/* empty out txq and tx_waitq */
+	skb_queue_purge(&st_gdata->txq);
+	skb_queue_purge(&st_gdata->tx_waitq);
+	/* reset the TTY Rx states of ST */
+	st_gdata->rx_count = 0;
+	st_gdata->rx_state = ST_W4_PACKET_TYPE;
+	kfree_skb(st_gdata->rx_skb);
+	st_gdata->rx_skb = NULL;
+	spin_unlock_irqrestore(&st_gdata->lock, flags);
+
+	pr_info("%s: done ", __func__);
+}
+
+static void st_tty_receive(struct tty_struct *tty, const unsigned char *data,
+			   char *tty_flags, int count)
+{
+
+#ifdef VERBOSE
+	long i;
+	printk(KERN_ERR "incoming data...\n");
+	for (i = 0; i < count; i++)
+		printk(" %x", data[i]);
+	printk(KERN_ERR "\n.. data end\n");
+#endif
+
+	/*
+	 * if fw download is in progress then route incoming data
+	 * to KIM for validation
+	 */
+	st_recv(tty->disc_data, data, count);
+	pr_info("done %s", __func__);
+}
+
+/* wake-up function called in from the TTY layer
+ * inside the internal wakeup function will be called
+ */
+static void st_tty_wakeup(struct tty_struct *tty)
+{
+	struct	st_data_s *st_gdata = tty->disc_data;
+	pr_info("%s ", __func__);
+	/* don't do an wakeup for now */
+	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+
+	/* call our internal wakeup */
+	st_tx_wakeup((void *)st_gdata);
+}
+
+static void st_tty_flush_buffer(struct tty_struct *tty)
+{
+	struct	st_data_s *st_gdata = tty->disc_data;
+	pr_info("%s ", __func__);
+
+	kfree_skb(st_gdata->tx_skb);
+	st_gdata->tx_skb = NULL;
+
+	tty->ops->flush_buffer(tty);
+	return;
+}
+
+/********************************************************************/
+int st_core_init(struct st_data_s **core_data)
+{
+	struct st_data_s *st_gdata;
+	long err;
+	static struct tty_ldisc_ops *st_ldisc_ops;
+
+	/* populate and register to TTY line discipline */
+	st_ldisc_ops = kzalloc(sizeof(*st_ldisc_ops), GFP_KERNEL);
+	if (!st_ldisc_ops) {
+		pr_err("no mem to allocate");
+		return -ENOMEM;
+	}
+
+	st_ldisc_ops->magic = TTY_LDISC_MAGIC;
+	st_ldisc_ops->name = "n_st";	/*"n_hci"; */
+	st_ldisc_ops->open = st_tty_open;
+	st_ldisc_ops->close = st_tty_close;
+	st_ldisc_ops->receive_buf = st_tty_receive;
+	st_ldisc_ops->write_wakeup = st_tty_wakeup;
+	st_ldisc_ops->flush_buffer = st_tty_flush_buffer;
+	st_ldisc_ops->owner = THIS_MODULE;
+
+	err = tty_register_ldisc(N_TI_WL, st_ldisc_ops);
+	if (err) {
+		pr_err("error registering %d line discipline %ld",
+			   N_TI_WL, err);
+		kfree(st_ldisc_ops);
+		return err;
+	}
+	pr_info("registered n_shared line discipline");
+
+	st_gdata = kzalloc(sizeof(struct st_data_s), GFP_KERNEL);
+	if (!st_gdata) {
+		pr_err("memory allocation failed");
+		err = tty_unregister_ldisc(N_TI_WL);
+		if (err)
+			pr_err("unable to un-register ldisc %ld", err);
+		kfree(st_ldisc_ops);
+		err = -ENOMEM;
+		return err;
+	}
+
+	/* Initialize ST TxQ and Tx waitQ queue head. All BT/FM/GPS module skb's
+	 * will be pushed in this queue for actual transmission.
+	 */
+	skb_queue_head_init(&st_gdata->txq);
+	skb_queue_head_init(&st_gdata->tx_waitq);
+
+	/* Locking used in st_int_enqueue() to avoid multiple execution */
+	spin_lock_init(&st_gdata->lock);
+
+	/* ldisc_ops ref to be only used in __exit of module */
+	st_gdata->ldisc_ops = st_ldisc_ops;
+
+#if 0
+	err = st_kim_init();
+	if (err) {
+		pr_err("error during kim initialization(%ld)", err);
+		kfree(st_gdata);
+		err = tty_unregister_ldisc(N_TI_WL);
+		if (err)
+			pr_err("unable to un-register ldisc");
+		kfree(st_ldisc_ops);
+		return -1;
+	}
+#endif
+
+	err = st_ll_init(st_gdata);
+	if (err) {
+		pr_err("error during st_ll initialization(%ld)", err);
+		kfree(st_gdata);
+		err = tty_unregister_ldisc(N_TI_WL);
+		if (err)
+			pr_err("unable to un-register ldisc");
+		kfree(st_ldisc_ops);
+		return -1;
+	}
+	*core_data = st_gdata;
+	return 0;
+}
+
+void st_core_exit(struct st_data_s *st_gdata)
+{
+	long err;
+	/* internal module cleanup */
+	err = st_ll_deinit(st_gdata);
+	if (err)
+		pr_err("error during deinit of ST LL %ld", err);
+#if 0
+	err = st_kim_deinit();
+	if (err)
+		pr_err("error during deinit of ST KIM %ld", err);
+#endif
+	if (st_gdata != NULL) {
+		/* Free ST Tx Qs and skbs */
+		skb_queue_purge(&st_gdata->txq);
+		skb_queue_purge(&st_gdata->tx_waitq);
+		kfree_skb(st_gdata->rx_skb);
+		kfree_skb(st_gdata->tx_skb);
+		/* TTY ldisc cleanup */
+		err = tty_unregister_ldisc(N_TI_WL);
+		if (err)
+			pr_err("unable to un-register ldisc %ld", err);
+		kfree(st_gdata->ldisc_ops);
+		/* free the global data pointer */
+		kfree(st_gdata);
+	}
+}
+
+
diff --git a/drivers/staging/ti-st/st_core.h b/drivers/staging/ti-st/st_core.h
new file mode 100644
index 00000000000..f271c88a808
--- /dev/null
+++ b/drivers/staging/ti-st/st_core.h
@@ -0,0 +1,98 @@
+/*
+ *  Shared Transport Core header file
+ *
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef ST_CORE_H
+#define ST_CORE_H
+
+#include <linux/skbuff.h>
+#include "st.h"
+
+/* states of protocol list */
+#define ST_NOTEMPTY	1
+#define ST_EMPTY	0
+
+/*
+ * possible st_states
+ */
+#define ST_INITIALIZING		1
+#define ST_REG_IN_PROGRESS	2
+#define ST_REG_PENDING		3
+#define ST_WAITING_FOR_RESP	4
+
+/*
+ * local data required for ST/KIM/ST-HCI-LL
+ */
+struct st_data_s {
+	unsigned long st_state;
+/*
+ * an instance of tty_struct & ldisc ops to move around
+ */
+	struct tty_struct *tty;
+	struct tty_ldisc_ops *ldisc_ops;
+/*
+ * the tx skb -
+ * if the skb is already dequeued and the tty failed to write the same
+ * maintain the skb to write in the next transaction
+ */
+	struct sk_buff *tx_skb;
+#define ST_TX_SENDING	1
+#define ST_TX_WAKEUP	2
+	unsigned long tx_state;
+/*
+ * list of protocol registered
+ */
+	struct st_proto_s *list[ST_MAX];
+/*
+ * lock
+ */
+	unsigned long rx_state;
+	unsigned long rx_count;
+	struct sk_buff *rx_skb;
+	struct sk_buff_head txq, tx_waitq;
+	spinlock_t lock;	/* ST LL state lock  */
+	unsigned char	protos_registered;
+	unsigned long ll_state;	/* ST LL power state */
+};
+
+/* point this to tty->driver->write or tty->ops->write
+ * depending upon the kernel version
+ */
+int st_int_write(struct st_data_s*, const unsigned char*, int);
+/* internal write function, passed onto protocol drivers
+ * via the write function ptr of protocol struct
+ */
+long st_write(struct sk_buff *);
+/* function to be called from ST-LL
+ */
+void st_ll_send_frame(enum proto_type, struct sk_buff *);
+/* internal wake up function */
+void st_tx_wakeup(struct st_data_s *st_data);
+
+int st_core_init(struct st_data_s **);
+void st_core_exit(struct st_data_s *);
+void st_kim_ref(struct st_data_s **);
+
+#define GPS_STUB_TEST
+#ifdef GPS_STUB_TEST
+int gps_chrdrv_stub_write(const unsigned char*, int);
+void gps_chrdrv_stub_init(void);
+#endif
+
+#endif /*ST_CORE_H */

From d0088ce183ad111b203adc94dcc7dde2a590a198 Mon Sep 17 00:00:00 2001
From: Pavan Savoy <pavan_savoy@ti.com>
Date: Thu, 8 Apr 2010 13:16:54 -0500
Subject: [PATCH 1044/3638] Staging: sources for Init manager module

Kernel Space Init-Manager works along with User-Mode
Init Manager daemon running to maintain the UART state.

Communication between user-space daemon and this module can be
	1. Via the pid written onto sysfs entry
	2. Via the rfkill subsystem

It also is a platform driver with a relevant platform device
in the board-*.c along with the list of BT/FM/GPS chip enable
gpio configuration

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ti-st/st_kim.c | 754 +++++++++++++++++++++++++++++++++
 drivers/staging/ti-st/st_kim.h | 150 +++++++
 2 files changed, 904 insertions(+)
 create mode 100644 drivers/staging/ti-st/st_kim.c
 create mode 100644 drivers/staging/ti-st/st_kim.h

diff --git a/drivers/staging/ti-st/st_kim.c b/drivers/staging/ti-st/st_kim.c
new file mode 100644
index 00000000000..98cbabba384
--- /dev/null
+++ b/drivers/staging/ti-st/st_kim.c
@@ -0,0 +1,754 @@
+/*
+ *  Shared Transport Line discipline driver Core
+ *	Init Manager module responsible for GPIO control
+ *	and firmware download
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#define pr_fmt(fmt) "(stk) :" fmt
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+#include <linux/firmware.h>
+#include <linux/delay.h>
+#include <linux/wait.h>
+#include <linux/gpio.h>
+
+#include <linux/sched.h>
+
+#include "st_kim.h"
+/* understand BT events for fw response */
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/hci.h>
+
+
+static int kim_probe(struct platform_device *pdev);
+static int kim_remove(struct platform_device *pdev);
+
+/* KIM platform device driver structure */
+static struct platform_driver kim_platform_driver = {
+	.probe = kim_probe,
+	.remove = kim_remove,
+	/* TODO: ST driver power management during suspend/resume ?
+	 */
+#if 0
+	.suspend = kim_suspend,
+	.resume = kim_resume,
+#endif
+	.driver = {
+		   .name = "kim",
+		   .owner = THIS_MODULE,
+		   },
+};
+
+#ifndef LEGACY_RFKILL_SUPPORT
+static ssize_t show_pid(struct device *dev, struct device_attribute
+			*attr, char *buf);
+static ssize_t store_pid(struct device *dev, struct device_attribute
+			 *devattr, char *buf, size_t count);
+static ssize_t show_list(struct device *dev, struct device_attribute
+			 *attr, char *buf);
+
+/* structures specific for sysfs entries */
+static struct kobj_attribute pid_attr =
+__ATTR(pid, 0644, (void *)show_pid, (void *)store_pid);
+
+static struct kobj_attribute list_protocols =
+__ATTR(protocols, 0444, (void *)show_list, NULL);
+
+static struct attribute *uim_attrs[] = {
+	&pid_attr.attr,
+	/* add more debug sysfs entries */
+	&list_protocols.attr,
+	NULL,
+};
+
+static struct attribute_group uim_attr_grp = {
+	.attrs = uim_attrs,
+};
+#else
+static int kim_toggle_radio(void*, bool);
+static const struct rfkill_ops kim_rfkill_ops = {
+	.set_block = kim_toggle_radio,
+};
+#endif	/* LEGACY_RFKILL_SUPPORT */
+
+/* strings to be used for rfkill entries and by
+ * ST Core to be used for sysfs debug entry
+ */
+#define PROTO_ENTRY(type, name)	name
+const unsigned char *protocol_names[] = {
+	PROTO_ENTRY(ST_BT, "Bluetooth"),
+	PROTO_ENTRY(ST_FM, "FM"),
+	PROTO_ENTRY(ST_GPS, "GPS"),
+};
+
+struct kim_data_s	*kim_gdata;
+
+/**********************************************************************/
+/* internal functions */
+
+/*
+ * function to return whether the firmware response was proper
+ * in case of error don't complete so that waiting for proper
+ * response times out
+ */
+void validate_firmware_response(struct sk_buff *skb)
+{
+	if (unlikely(skb->data[5] != 0)) {
+		pr_err("no proper response during fw download");
+		pr_err("data6 %x", skb->data[5]);
+		return;		/* keep waiting for the proper response */
+	}
+	/* becos of all the script being downloaded */
+	complete_all(&kim_gdata->kim_rcvd);
+	kfree_skb(skb);
+}
+
+/* check for data len received inside kim_int_recv
+ * most often hit the last case to update state to waiting for data
+ */
+static inline int kim_check_data_len(int len)
+{
+	register int room = skb_tailroom(kim_gdata->rx_skb);
+
+	pr_info("len %d room %d", len, room);
+
+	if (!len) {
+		validate_firmware_response(kim_gdata->rx_skb);
+	} else if (len > room) {
+		/* Received packet's payload length is larger.
+		 * We can't accommodate it in created skb.
+		 */
+		pr_err("Data length is too large len %d room %d", len,
+			   room);
+		kfree_skb(kim_gdata->rx_skb);
+	} else {
+		/* Packet header has non-zero payload length and
+		 * we have enough space in created skb. Lets read
+		 * payload data */
+		kim_gdata->rx_state = ST_BT_W4_DATA;
+		kim_gdata->rx_count = len;
+		return len;
+	}
+
+	/* Change ST LL state to continue to process next
+	 * packet */
+	kim_gdata->rx_state = ST_W4_PACKET_TYPE;
+	kim_gdata->rx_skb = NULL;
+	kim_gdata->rx_count = 0;
+
+	return 0;
+}
+
+/* receive function called during firmware download
+ * - firmware download responses on different UART drivers
+ *   have been observed to come in bursts of different
+ *   tty_receive and hence the logic
+ */
+void kim_int_recv(const unsigned char *data, long count)
+{
+	register char *ptr;
+	struct hci_event_hdr *eh;
+	register int len = 0, type = 0;
+
+	pr_info("%s", __func__);
+	/* Decode received bytes here */
+	ptr = (char *)data;
+	if (unlikely(ptr == NULL)) {
+		pr_err(" received null from TTY ");
+		return;
+	}
+	while (count) {
+		if (kim_gdata->rx_count) {
+			len = min_t(unsigned int, kim_gdata->rx_count, count);
+			memcpy(skb_put(kim_gdata->rx_skb, len), ptr, len);
+			kim_gdata->rx_count -= len;
+			count -= len;
+			ptr += len;
+
+			if (kim_gdata->rx_count)
+				continue;
+
+			/* Check ST RX state machine , where are we? */
+			switch (kim_gdata->rx_state) {
+				/* Waiting for complete packet ? */
+			case ST_BT_W4_DATA:
+				pr_info("Complete pkt received");
+				validate_firmware_response(kim_gdata->rx_skb);
+				kim_gdata->rx_state = ST_W4_PACKET_TYPE;
+				kim_gdata->rx_skb = NULL;
+				continue;
+				/* Waiting for Bluetooth event header ? */
+			case ST_BT_W4_EVENT_HDR:
+				eh = (struct hci_event_hdr *)kim_gdata->
+				    rx_skb->data;
+				pr_info("Event header: evt 0x%2.2x"
+					   "plen %d", eh->evt, eh->plen);
+				kim_check_data_len(eh->plen);
+				continue;
+			}	/* end of switch */
+		}		/* end of if rx_state */
+		switch (*ptr) {
+			/* Bluetooth event packet? */
+		case HCI_EVENT_PKT:
+			pr_info("Event packet");
+			kim_gdata->rx_state = ST_BT_W4_EVENT_HDR;
+			kim_gdata->rx_count = HCI_EVENT_HDR_SIZE;
+			type = HCI_EVENT_PKT;
+			break;
+		default:
+			pr_info("unknown packet");
+			ptr++;
+			count--;
+			continue;
+		}		/* end of switch *ptr */
+		ptr++;
+		count--;
+		kim_gdata->rx_skb =
+		    bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
+		if (!kim_gdata->rx_skb) {
+			pr_err("can't allocate mem for new packet");
+			kim_gdata->rx_state = ST_W4_PACKET_TYPE;
+			kim_gdata->rx_count = 0;
+			return;
+		} /* not necessary in this case */
+		bt_cb(kim_gdata->rx_skb)->pkt_type = type;
+	}			/* end of while count */
+	pr_info("done %s", __func__);
+	return;
+}
+
+static long read_local_version(char *bts_scr_name)
+{
+	unsigned short version = 0, chip = 0, min_ver = 0, maj_ver = 0;
+	char read_ver_cmd[] = { 0x01, 0x01, 0x10, 0x00 };
+
+	pr_info("%s", __func__);
+
+	INIT_COMPLETION(kim_gdata->kim_rcvd);
+	if (4 != st_int_write(kim_gdata->core_data, read_ver_cmd, 4)) {
+		pr_err("kim: couldn't write 4 bytes");
+		return ST_ERR_FAILURE;
+	}
+
+	if (!wait_for_completion_timeout
+	    (&kim_gdata->kim_rcvd, msecs_to_jiffies(CMD_RESP_TIME))) {
+		pr_err(" waiting for ver info- timed out ");
+		return ST_ERR_FAILURE;
+	}
+
+	version =
+	    MAKEWORD(kim_gdata->resp_buffer[13], kim_gdata->resp_buffer[14]);
+	chip = (version & 0x7C00) >> 10;
+	min_ver = (version & 0x007F);
+	maj_ver = (version & 0x0380) >> 7;
+
+	if (version & 0x8000)
+		maj_ver |= 0x0008;
+
+	sprintf(bts_scr_name, "TIInit_%d.%d.%d.bts", chip, maj_ver, min_ver);
+	pr_info("%s", bts_scr_name);
+	return ST_SUCCESS;
+}
+
+/* internal function which parses through the .bts firmware script file
+ * intreprets SEND, DELAY actions only as of now
+ */
+static long download_firmware(void)
+{
+	long err = ST_SUCCESS;
+	long len = 0;
+	register unsigned char *ptr = NULL;
+	register unsigned char *action_ptr = NULL;
+	unsigned char bts_scr_name[30] = { 0 };	/* 30 char long bts scr name? */
+
+	pr_info("%s", __func__);
+
+	err = read_local_version(bts_scr_name);
+	if (err != ST_SUCCESS) {
+		pr_err("kim: failed to read local ver");
+		return err;
+	}
+	err =
+	    request_firmware(&kim_gdata->fw_entry, bts_scr_name,
+			     &kim_gdata->kim_pdev->dev);
+	if (unlikely((err != 0) || (kim_gdata->fw_entry->data == NULL) ||
+		     (kim_gdata->fw_entry->size == 0))) {
+		pr_err(" request_firmware failed(errno %ld) for %s", err,
+			   bts_scr_name);
+		return ST_ERR_FAILURE;
+	}
+	ptr = (void *)kim_gdata->fw_entry->data;
+	len = kim_gdata->fw_entry->size;
+	/* bts_header to remove out magic number and
+	 * version
+	 */
+	ptr += sizeof(struct bts_header);
+	len -= sizeof(struct bts_header);
+
+	while (len > 0 && ptr) {
+		pr_info(" action size %d, type %d ",
+			   ((struct bts_action *)ptr)->size,
+			   ((struct bts_action *)ptr)->type);
+
+		switch (((struct bts_action *)ptr)->type) {
+		case ACTION_SEND_COMMAND:	/* action send */
+			action_ptr = &(((struct bts_action *)ptr)->data[0]);
+			if (unlikely
+			    (((struct hci_command *)action_ptr)->opcode ==
+			     0xFF36)) {
+				/* ignore remote change
+				 * baud rate HCI VS command */
+				pr_err
+				    (" change remote baud\
+				    rate command in firmware");
+				break;
+			}
+
+			INIT_COMPLETION(kim_gdata->kim_rcvd);
+			err = st_int_write(kim_gdata->core_data,
+			((struct bts_action_send *)action_ptr)->data,
+					   ((struct bts_action *)ptr)->size);
+			if (unlikely(err < 0)) {
+				release_firmware(kim_gdata->fw_entry);
+				return ST_ERR_FAILURE;
+			}
+			if (!wait_for_completion_timeout
+			    (&kim_gdata->kim_rcvd,
+			     msecs_to_jiffies(CMD_RESP_TIME))) {
+				pr_err
+				    (" response timeout during fw download ");
+				/* timed out */
+				release_firmware(kim_gdata->fw_entry);
+				return ST_ERR_FAILURE;
+			}
+			break;
+		case ACTION_DELAY:	/* sleep */
+			pr_info("sleep command in scr");
+			action_ptr = &(((struct bts_action *)ptr)->data[0]);
+			mdelay(((struct bts_action_delay *)action_ptr)->msec);
+			break;
+		}
+		len =
+		    len - (sizeof(struct bts_action) +
+			   ((struct bts_action *)ptr)->size);
+		ptr =
+		    ptr + sizeof(struct bts_action) +
+		    ((struct bts_action *)ptr)->size;
+	}
+	/* fw download complete */
+	release_firmware(kim_gdata->fw_entry);
+	return ST_SUCCESS;
+}
+
+/**********************************************************************/
+/* functions called from ST core */
+
+/* function to toggle the GPIO
+ * needs to know whether the GPIO is active high or active low
+ */
+void st_kim_chip_toggle(enum proto_type type, enum kim_gpio_state state)
+{
+	pr_info(" %s ", __func__);
+
+	if (kim_gdata->gpios[type] == -1) {
+		pr_info(" gpio not requested for protocol %s",
+			   protocol_names[type]);
+		return;
+	}
+	switch (type) {
+	case ST_BT:
+		/*Do Nothing */
+		break;
+
+	case ST_FM:
+		if (state == KIM_GPIO_ACTIVE)
+			gpio_set_value(kim_gdata->gpios[ST_FM], GPIO_LOW);
+		else
+			gpio_set_value(kim_gdata->gpios[ST_FM], GPIO_HIGH);
+		break;
+
+	case ST_GPS:
+		if (state == KIM_GPIO_ACTIVE)
+			gpio_set_value(kim_gdata->gpios[ST_GPS], GPIO_HIGH);
+		else
+			gpio_set_value(kim_gdata->gpios[ST_GPS], GPIO_LOW);
+		break;
+
+	case ST_MAX:
+	default:
+		break;
+	}
+
+	return;
+}
+
+/* called from ST Core, when REG_IN_PROGRESS (registration in progress)
+ * can be because of
+ * 1. response to read local version
+ * 2. during send/recv's of firmware download
+ */
+void st_kim_recv(void *disc_data, const unsigned char *data, long count)
+{
+	pr_info(" %s ", __func__);
+	/* copy to local buffer */
+	if (unlikely(data[4] == 0x01 && data[5] == 0x10 && data[0] == 0x04)) {
+		/* must be the read_ver_cmd */
+		memcpy(kim_gdata->resp_buffer, data, count);
+		complete_all(&kim_gdata->kim_rcvd);
+		return;
+	} else {
+		kim_int_recv(data, count);
+		/* either completes or times out */
+	}
+	return;
+}
+
+/* to signal completion of line discipline installation
+ * called from ST Core, upon tty_open
+ */
+void st_kim_complete(void)
+{
+	complete(&kim_gdata->ldisc_installed);
+}
+
+/* called from ST Core upon 1st registration
+*/
+long st_kim_start(void)
+{
+	long err = ST_SUCCESS;
+	long retry = POR_RETRY_COUNT;
+	pr_info(" %s", __func__);
+
+	do {
+#ifdef LEGACY_RFKILL_SUPPORT
+		/* TODO: this is only because rfkill sub-system
+		 * doesn't send events to user-space if the state
+		 * isn't changed
+		 */
+		rfkill_set_hw_state(kim_gdata->rfkill[ST_BT], 1);
+#endif
+		/* Configure BT nShutdown to HIGH state */
+		gpio_set_value(kim_gdata->gpios[ST_BT], GPIO_LOW);
+		mdelay(5);	/* FIXME: a proper toggle */
+		gpio_set_value(kim_gdata->gpios[ST_BT], GPIO_HIGH);
+		mdelay(100);
+		/* re-initialize the completion */
+		INIT_COMPLETION(kim_gdata->ldisc_installed);
+#ifndef LEGACY_RFKILL_SUPPORT
+		/* send signal to UIM */
+		err = kill_pid(find_get_pid(kim_gdata->uim_pid), SIGUSR2, 0);
+		if (err != 0) {
+			pr_info(" sending SIGUSR2 to uim failed %ld", err);
+			err = ST_ERR_FAILURE;
+			continue;
+		}
+#else
+		/* unblock and send event to UIM via /dev/rfkill */
+		rfkill_set_hw_state(kim_gdata->rfkill[ST_BT], 0);
+#endif
+		/* wait for ldisc to be installed */
+		err = wait_for_completion_timeout(&kim_gdata->ldisc_installed,
+				msecs_to_jiffies(LDISC_TIME));
+		if (!err) {	/* timeout */
+			pr_err("line disc installation timed out ");
+			err = ST_ERR_FAILURE;
+			continue;
+		} else {
+			/* ldisc installed now */
+			pr_info(" line discipline installed ");
+			err = download_firmware();
+			if (err != ST_SUCCESS) {
+				pr_err("download firmware failed");
+				continue;
+			} else {	/* on success don't retry */
+				break;
+			}
+		}
+	} while (retry--);
+	return err;
+}
+
+/* called from ST Core, on the last un-registration
+*/
+long st_kim_stop(void)
+{
+	long err = ST_SUCCESS;
+
+	INIT_COMPLETION(kim_gdata->ldisc_installed);
+#ifndef LEGACY_RFKILL_SUPPORT
+	/* send signal to UIM */
+	err = kill_pid(find_get_pid(kim_gdata->uim_pid), SIGUSR2, 1);
+	if (err != 0) {
+		pr_err("sending SIGUSR2 to uim failed %ld", err);
+		return ST_ERR_FAILURE;
+	}
+#else
+	/* set BT rfkill to be blocked */
+	err = rfkill_set_hw_state(kim_gdata->rfkill[ST_BT], 1);
+#endif
+
+	/* wait for ldisc to be un-installed */
+	err = wait_for_completion_timeout(&kim_gdata->ldisc_installed,
+			msecs_to_jiffies(LDISC_TIME));
+	if (!err) {		/* timeout */
+		pr_err(" timed out waiting for ldisc to be un-installed");
+		return ST_ERR_FAILURE;
+	}
+
+	/* By default configure BT nShutdown to LOW state */
+	gpio_set_value(kim_gdata->gpios[ST_BT], GPIO_LOW);
+	mdelay(1);
+	gpio_set_value(kim_gdata->gpios[ST_BT], GPIO_HIGH);
+	mdelay(1);
+	gpio_set_value(kim_gdata->gpios[ST_BT], GPIO_LOW);
+	return err;
+}
+
+/**********************************************************************/
+/* functions called from subsystems */
+
+#ifndef LEGACY_RFKILL_SUPPORT
+/* called when sysfs entry is written to */
+static ssize_t store_pid(struct device *dev, struct device_attribute
+			 *devattr, char *buf, size_t count)
+{
+	pr_info("%s: pid %s ", __func__, buf);
+	sscanf(buf, "%ld", &kim_gdata->uim_pid);
+	/* to be made use by kim_start to signal SIGUSR2
+	 */
+	return strlen(buf);
+}
+
+/* called when sysfs entry is read from */
+static ssize_t show_pid(struct device *dev, struct device_attribute
+			*attr, char *buf)
+{
+	sprintf(buf, "%ld", kim_gdata->uim_pid);
+	return strlen(buf);
+}
+
+/* called when sysfs entry is read from */
+static ssize_t show_list(struct device *dev, struct device_attribute
+			 *attr, char *buf)
+{
+	kim_st_list_protocols(kim_gdata->core_data, buf);
+	return strlen(buf);
+}
+
+#else /* LEGACY_RFKILL_SUPPORT */
+
+/* function called from rfkill subsystem, when someone from
+ * user space would write 0/1 on the sysfs entry
+ * /sys/class/rfkill/rfkill0,1,3/state
+ */
+static int kim_toggle_radio(void *data, bool blocked)
+{
+	enum proto_type type = *((enum proto_type *)data);
+	pr_info(" %s: %d ", __func__, type);
+
+	switch (type) {
+	case ST_BT:
+		/* do nothing */
+	break;
+	case ST_FM:
+	case ST_GPS:
+		if (blocked)
+			st_kim_chip_toggle(type, KIM_GPIO_INACTIVE);
+		else
+			st_kim_chip_toggle(type, KIM_GPIO_ACTIVE);
+	break;
+	case ST_MAX:
+		pr_err(" wrong proto type ");
+	break;
+	}
+	return ST_SUCCESS;
+}
+
+#endif	/* LEGACY_RFKILL_SUPPORT */
+
+void st_kim_ref(struct st_data_s **core_data)
+{
+	*core_data = kim_gdata->core_data;
+}
+
+/**********************************************************************/
+/* functions called from platform device driver subsystem
+ * need to have a relevant platform device entry in the platform's
+ * board-*.c file
+ */
+
+static int kim_probe(struct platform_device *pdev)
+{
+	long status;
+	long proto;
+	long *gpios = pdev->dev.platform_data;
+
+	status = st_core_init(&kim_gdata->core_data);
+	if (status != 0) {
+		pr_err(" ST core init failed");
+		return ST_ERR_FAILURE;
+	}
+
+	for (proto = 0; proto < ST_MAX; proto++) {
+		kim_gdata->gpios[proto] = gpios[proto];
+		pr_info(" %ld gpio to be requested", gpios[proto]);
+	}
+
+	for (proto = 0; (proto < ST_MAX) && (gpios[proto] != -1); proto++) {
+		/* Claim the Bluetooth/FM/GPIO
+		 * nShutdown gpio from the system
+		 */
+		status = gpio_request(gpios[proto], "kim");
+		if (unlikely(status)) {
+			pr_err(" gpio %ld request failed ", gpios[proto]);
+			proto -= 1;
+			while (proto >= 0) {
+				if (gpios[proto] != -1)
+					gpio_free(gpios[proto]);
+			}
+			return status;
+		}
+
+		/* Configure nShutdown GPIO as output=0 */
+		status =
+		    gpio_direction_output(gpios[proto], 0);
+		if (unlikely(status)) {
+			pr_err(" unable to configure gpio %ld",
+				   gpios[proto]);
+			proto -= 1;
+			while (proto >= 0) {
+				if (gpios[proto] != -1)
+					gpio_free(gpios[proto]);
+			}
+			return status;
+		}
+	}
+#ifndef LEGACY_RFKILL_SUPPORT
+	/* pdev to contain BT, FM and GPS enable/N-Shutdown GPIOs
+	 * execute request_gpio, set output direction
+	 */
+	kim_gdata->kim_kobj = kobject_create_and_add("uim", NULL);
+	/* create the sysfs entry for UIM to put in pid */
+	if (sysfs_create_group(kim_gdata->kim_kobj, &uim_attr_grp)) {
+		pr_err(" sysfs entry creation failed");
+		kobject_put(kim_gdata->kim_kobj);
+		/* free requested GPIOs and fail probe */
+		for (proto = ST_BT; proto < ST_MAX; proto++) {
+			if (gpios[proto] != -1)
+				gpio_free(gpios[proto]);
+		}
+		return -1;	/* fail insmod */
+	}
+	pr_info(" sysfs entry created ");
+#endif
+	/* get reference of pdev for request_firmware
+	 */
+	kim_gdata->kim_pdev = pdev;
+	init_completion(&kim_gdata->kim_rcvd);
+	init_completion(&kim_gdata->ldisc_installed);
+#ifdef LEGACY_RFKILL_SUPPORT
+	for (proto = 0; (proto < ST_MAX) && (gpios[proto] != -1); proto++) {
+		/* TODO: should all types be rfkill_type_bt ? */
+		kim_gdata->rf_protos[proto] = proto;
+		kim_gdata->rfkill[proto] = rfkill_alloc(protocol_names[proto],
+			&pdev->dev, RFKILL_TYPE_BLUETOOTH,
+			&kim_rfkill_ops, &kim_gdata->rf_protos[proto]);
+		if (kim_gdata->rfkill[proto] == NULL) {
+			pr_err("cannot create rfkill entry for gpio %ld",
+				   gpios[proto]);
+			continue;
+		}
+		/* block upon creation */
+		rfkill_init_sw_state(kim_gdata->rfkill[proto], 1);
+		status = rfkill_register(kim_gdata->rfkill[proto]);
+		if (unlikely(status)) {
+			pr_err("rfkill registration failed for gpio %ld",
+				   gpios[proto]);
+			rfkill_unregister(kim_gdata->rfkill[proto]);
+			continue;
+		}
+		pr_info("rfkill entry created for %ld", gpios[proto]);
+	}
+#endif
+	return ST_SUCCESS;
+}
+
+static int kim_remove(struct platform_device *pdev)
+{
+	/* free the GPIOs requested
+	 */
+	long *gpios = pdev->dev.platform_data;
+	long proto;
+
+	for (proto = 0; (proto < ST_MAX) && (gpios[proto] != -1); proto++) {
+		/* Claim the Bluetooth/FM/GPIO
+		 * nShutdown gpio from the system
+		 */
+		gpio_free(gpios[proto]);
+#ifdef LEGACY_RFKILL_SUPPORT
+		rfkill_unregister(kim_gdata->rfkill[proto]);
+		rfkill_destroy(kim_gdata->rfkill[proto]);
+		kim_gdata->rfkill[proto] = NULL;
+#endif
+	}
+	pr_info("kim: GPIO Freed");
+#ifndef LEGACY_RFKILL_SUPPORT
+	/* delete the sysfs entries */
+	sysfs_remove_group(kim_gdata->kim_kobj, &uim_attr_grp);
+	kobject_put(kim_gdata->kim_kobj);
+#endif
+	kim_gdata->kim_pdev = NULL;
+	st_core_exit(kim_gdata->core_data);
+	return ST_SUCCESS;
+}
+
+/**********************************************************************/
+/* entry point for ST KIM module, called in from ST Core */
+
+static int __init st_kim_init(void)
+{
+	long ret = ST_SUCCESS;
+	kim_gdata = kzalloc(sizeof(struct kim_data_s), GFP_ATOMIC);
+	if (!kim_gdata) {
+		pr_err("no mem to allocate");
+		return -ENOMEM;
+	}
+
+	ret = platform_driver_register(&kim_platform_driver);
+	if (ret != 0) {
+		pr_err("platform drv registration failed");
+		return ST_ERR_FAILURE;
+	}
+	return ST_SUCCESS;
+}
+
+static void __exit st_kim_deinit(void)
+{
+	/* the following returns void */
+	platform_driver_unregister(&kim_platform_driver);
+	kfree(kim_gdata);
+	kim_gdata = NULL;
+}
+
+
+module_init(st_kim_init);
+module_exit(st_kim_deinit);
+MODULE_AUTHOR("Pavan Savoy <pavan_savoy@ti.com>");
+MODULE_DESCRIPTION("Shared Transport Driver for TI BT/FM/GPS combo chips ");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/ti-st/st_kim.h b/drivers/staging/ti-st/st_kim.h
new file mode 100644
index 00000000000..ff3270ec784
--- /dev/null
+++ b/drivers/staging/ti-st/st_kim.h
@@ -0,0 +1,150 @@
+/*
+ *  Shared Transport Line discipline driver Core
+ *	Init Manager Module header file
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef ST_KIM_H
+#define ST_KIM_H
+
+#include <linux/types.h>
+#include "st.h"
+#include "st_core.h"
+#include "st_ll.h"
+#include <linux/rfkill.h>
+
+/* time in msec to wait for
+ * line discipline to be installed
+ */
+#define LDISC_TIME	500
+#define CMD_RESP_TIME	500
+#define MAKEWORD(a, b)  ((unsigned short)(((unsigned char)(a)) \
+	| ((unsigned short)((unsigned char)(b))) << 8))
+
+#define GPIO_HIGH 1
+#define GPIO_LOW  0
+
+/* the Power-On-Reset logic, requires to attempt
+ * to download firmware onto chip more than once
+ * since the self-test for chip takes a while
+ */
+#define POR_RETRY_COUNT 5
+/*
+ * legacy rfkill support where-in 3 rfkill
+ * devices are created for the 3 gpios
+ * that ST has requested
+ */
+#define LEGACY_RFKILL_SUPPORT
+/*
+ * header file for ST provided by KIM
+ */
+struct kim_data_s {
+	long uim_pid;
+	struct platform_device *kim_pdev;
+	struct completion kim_rcvd, ldisc_installed;
+	/* MAX len of the .bts firmware script name */
+	char resp_buffer[30];
+	const struct firmware *fw_entry;
+	long gpios[ST_MAX];
+	struct kobject *kim_kobj;
+/* used by kim_int_recv to validate fw response */
+	unsigned long rx_state;
+	unsigned long rx_count;
+	struct sk_buff *rx_skb;
+#ifdef LEGACY_RFKILL_SUPPORT
+	struct rfkill *rfkill[ST_MAX];
+	enum proto_type rf_protos[ST_MAX];
+#endif
+	struct st_data_s *core_data;
+};
+
+long st_kim_start(void);
+long st_kim_stop(void);
+/*
+ * called from st_tty_receive to authenticate fw_download
+ */
+void st_kim_recv(void *, const unsigned char *, long count);
+
+void st_kim_chip_toggle(enum proto_type, enum kim_gpio_state);
+
+void st_kim_complete(void);
+
+/* function called from ST KIM to ST Core, to
+ * list out the protocols registered
+ */
+void kim_st_list_protocols(struct st_data_s *, char *);
+
+/*
+ * BTS headers
+ */
+#define ACTION_SEND_COMMAND     1
+#define ACTION_WAIT_EVENT       2
+#define ACTION_SERIAL           3
+#define ACTION_DELAY            4
+#define ACTION_RUN_SCRIPT       5
+#define ACTION_REMARKS          6
+
+/*
+ *  * BRF Firmware header
+ *   */
+struct bts_header {
+	uint32_t magic;
+	uint32_t version;
+	uint8_t future[24];
+	uint8_t actions[0];
+} __attribute__ ((packed));
+
+/*
+ *  * BRF Actions structure
+ *   */
+struct bts_action {
+	uint16_t type;
+	uint16_t size;
+	uint8_t data[0];
+} __attribute__ ((packed));
+
+struct bts_action_send {
+	uint8_t data[0];
+} __attribute__ ((packed));
+
+struct bts_action_wait {
+	uint32_t msec;
+	uint32_t size;
+	uint8_t data[0];
+} __attribute__ ((packed));
+
+struct bts_action_delay {
+	uint32_t msec;
+} __attribute__ ((packed));
+
+struct bts_action_serial {
+	uint32_t baud;
+	uint32_t flow_control;
+} __attribute__ ((packed));
+
+/* for identifying the change speed HCI VS
+ * command
+ */
+struct hci_command {
+	uint8_t prefix;
+	uint16_t opcode;
+	uint8_t plen;
+	uint32_t speed;
+} __attribute__ ((packed));
+
+
+#endif /* ST_KIM_H */

From 1d065ab683f954d864a9366927d83bfc88b2f585 Mon Sep 17 00:00:00 2001
From: Pavan Savoy <pavan_savoy@ti.com>
Date: Thu, 8 Apr 2010 13:16:55 -0500
Subject: [PATCH 1045/3638] Staging: sources for HCI LL PM protocol

Texas Instruments BT, FM and GPS combo chips/drivers
make use of a single TTY to communicate with the chip.
This module constitutes the proprietary power management
protocol from TI for the BT/FM/GPS combo chips

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ti-st/st_ll.c | 147 ++++++++++++++++++++++++++++++++++
 drivers/staging/ti-st/st_ll.h |  62 ++++++++++++++
 2 files changed, 209 insertions(+)
 create mode 100644 drivers/staging/ti-st/st_ll.c
 create mode 100644 drivers/staging/ti-st/st_ll.h

diff --git a/drivers/staging/ti-st/st_ll.c b/drivers/staging/ti-st/st_ll.c
new file mode 100644
index 00000000000..0685a100db6
--- /dev/null
+++ b/drivers/staging/ti-st/st_ll.c
@@ -0,0 +1,147 @@
+/*
+ *  Shared Transport driver
+ *	HCI-LL module responsible for TI proprietary HCI_LL protocol
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#define pr_fmt(fmt) "(stll) :" fmt
+#include "st_ll.h"
+
+/**********************************************************************/
+/* internal functions */
+static void send_ll_cmd(struct st_data_s *st_data,
+	unsigned char cmd)
+{
+
+	pr_info("%s: writing %x", __func__, cmd);
+	st_int_write(st_data, &cmd, 1);
+	return;
+}
+
+static void ll_device_want_to_sleep(struct st_data_s *st_data)
+{
+	pr_info("%s", __func__);
+	/* sanity check */
+	if (st_data->ll_state != ST_LL_AWAKE)
+		pr_err("ERR hcill: ST_LL_GO_TO_SLEEP_IND"
+			  "in state %ld", st_data->ll_state);
+
+	send_ll_cmd(st_data, LL_SLEEP_ACK);
+	/* update state */
+	st_data->ll_state = ST_LL_ASLEEP;
+}
+
+static void ll_device_want_to_wakeup(struct st_data_s *st_data)
+{
+	/* diff actions in diff states */
+	switch (st_data->ll_state) {
+	case ST_LL_ASLEEP:
+		send_ll_cmd(st_data, LL_WAKE_UP_ACK);	/* send wake_ack */
+		break;
+	case ST_LL_ASLEEP_TO_AWAKE:
+		/* duplicate wake_ind */
+		pr_err("duplicate wake_ind while waiting for Wake ack");
+		break;
+	case ST_LL_AWAKE:
+		/* duplicate wake_ind */
+		pr_err("duplicate wake_ind already AWAKE");
+		break;
+	case ST_LL_AWAKE_TO_ASLEEP:
+		/* duplicate wake_ind */
+		pr_err("duplicate wake_ind");
+		break;
+	}
+	/* update state */
+	st_data->ll_state = ST_LL_AWAKE;
+}
+
+/**********************************************************************/
+/* functions invoked by ST Core */
+
+/* called when ST Core wants to
+ * enable ST LL */
+void st_ll_enable(struct st_data_s *ll)
+{
+	ll->ll_state = ST_LL_AWAKE;
+}
+
+/* called when ST Core /local module wants to
+ * disable ST LL */
+void st_ll_disable(struct st_data_s *ll)
+{
+	ll->ll_state = ST_LL_INVALID;
+}
+
+/* called when ST Core wants to update the state */
+void st_ll_wakeup(struct st_data_s *ll)
+{
+	if (likely(ll->ll_state != ST_LL_AWAKE)) {
+		send_ll_cmd(ll, LL_WAKE_UP_IND);	/* WAKE_IND */
+		ll->ll_state = ST_LL_ASLEEP_TO_AWAKE;
+	} else {
+		/* don't send the duplicate wake_indication */
+		pr_err(" Chip already AWAKE ");
+	}
+}
+
+/* called when ST Core wants the state */
+unsigned long st_ll_getstate(struct st_data_s *ll)
+{
+	pr_info(" returning state %ld", ll->ll_state);
+	return ll->ll_state;
+}
+
+/* called from ST Core, when a PM related packet arrives */
+unsigned long st_ll_sleep_state(struct st_data_s *st_data,
+	unsigned char cmd)
+{
+	switch (cmd) {
+	case LL_SLEEP_IND:	/* sleep ind */
+		pr_info("sleep indication recvd");
+		ll_device_want_to_sleep(st_data);
+		break;
+	case LL_SLEEP_ACK:	/* sleep ack */
+		pr_err("sleep ack rcvd: host shouldn't");
+		break;
+	case LL_WAKE_UP_IND:	/* wake ind */
+		pr_info("wake indication recvd");
+		ll_device_want_to_wakeup(st_data);
+		break;
+	case LL_WAKE_UP_ACK:	/* wake ack */
+		pr_info("wake ack rcvd");
+		st_data->ll_state = ST_LL_AWAKE;
+		break;
+	default:
+		pr_err(" unknown input/state ");
+		return ST_ERR_FAILURE;
+	}
+	return ST_SUCCESS;
+}
+
+/* Called from ST CORE to initialize ST LL */
+long st_ll_init(struct st_data_s *ll)
+{
+	/* set state to invalid */
+	ll->ll_state = ST_LL_INVALID;
+	return 0;
+}
+
+/* Called from ST CORE to de-initialize ST LL */
+long st_ll_deinit(struct st_data_s *ll)
+{
+	return 0;
+}
diff --git a/drivers/staging/ti-st/st_ll.h b/drivers/staging/ti-st/st_ll.h
new file mode 100644
index 00000000000..77dfbf07e7b
--- /dev/null
+++ b/drivers/staging/ti-st/st_ll.h
@@ -0,0 +1,62 @@
+/*
+ *  Shared Transport Low Level (ST LL)
+ *
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef ST_LL_H
+#define ST_LL_H
+
+#include <linux/skbuff.h>
+#include "st.h"
+#include "st_core.h"
+
+/* ST LL receiver states */
+#define ST_W4_PACKET_TYPE       0
+#define ST_BT_W4_EVENT_HDR      1
+#define ST_BT_W4_ACL_HDR        2
+#define ST_BT_W4_SCO_HDR        3
+#define ST_BT_W4_DATA           4
+#define ST_FM_W4_EVENT_HDR      5
+#define ST_GPS_W4_EVENT_HDR	6
+
+/* ST LL state machines */
+#define ST_LL_ASLEEP               0
+#define ST_LL_ASLEEP_TO_AWAKE      1
+#define ST_LL_AWAKE                2
+#define ST_LL_AWAKE_TO_ASLEEP      3
+#define ST_LL_INVALID		   4
+
+#define LL_SLEEP_IND	0x30
+#define LL_SLEEP_ACK	0x31
+#define LL_WAKE_UP_IND	0x32
+#define LL_WAKE_UP_ACK	0x33
+
+/* initialize and de-init ST LL */
+long st_ll_init(struct st_data_s *);
+long st_ll_deinit(struct st_data_s *);
+
+/* enable/disable ST LL along with KIM start/stop
+ * called by ST Core
+ */
+void st_ll_enable(struct st_data_s *);
+void st_ll_disable(struct st_data_s *);
+
+unsigned long st_ll_getstate(struct st_data_s *);
+unsigned long st_ll_sleep_state(struct st_data_s *, unsigned char);
+void st_ll_wakeup(struct st_data_s *);
+#endif /* ST_LL_H */

From 69f6e06db92dd7e2e87be58a4e2ab3a8104f8ce6 Mon Sep 17 00:00:00 2001
From: Pavan Savoy <pavan_savoy@ti.com>
Date: Thu, 8 Apr 2010 13:16:56 -0500
Subject: [PATCH 1046/3638] Staging: sources for ST header file

Texas Instruments BT, FM and GPS combo chips/drivers
make use of a single TTY to communicate with the chip.
This is the common header file for both the ST driver and the
protocol drivers which intend to use ST as their mode of
transport.

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ti-st/fm.h | 13 ++++++
 drivers/staging/ti-st/st.h | 90 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 drivers/staging/ti-st/fm.h
 create mode 100644 drivers/staging/ti-st/st.h

diff --git a/drivers/staging/ti-st/fm.h b/drivers/staging/ti-st/fm.h
new file mode 100644
index 00000000000..be41453649e
--- /dev/null
+++ b/drivers/staging/ti-st/fm.h
@@ -0,0 +1,13 @@
+struct fm_event_hdr {
+	unsigned char plen;
+} __attribute__ ((packed));
+
+#define FM_MAX_FRAME_SIZE 0xFF	/* TODO: */
+#define FM_EVENT_HDR_SIZE 1	/* size of fm_event_hdr */
+#define ST_FM_CH8_PKT 0x8
+
+/* gps stuff */
+struct gps_event_hdr {
+unsigned char opcode;
+unsigned short plen;
+} __attribute__ ((packed));
diff --git a/drivers/staging/ti-st/st.h b/drivers/staging/ti-st/st.h
new file mode 100644
index 00000000000..e8fc97e32c9
--- /dev/null
+++ b/drivers/staging/ti-st/st.h
@@ -0,0 +1,90 @@
+/*
+ *  Shared Transport Header file
+ *	To be included by the protocol stack drivers for
+ *	Texas Instruments BT,FM and GPS combo chip drivers
+ *
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef ST_H
+#define ST_H
+
+#include <linux/skbuff.h>
+/*
+ * st.h
+ */
+
+/* TODO:
+ * Move the following to tty.h upon acceptance
+ */
+#define N_TI_WL	20	/* Ldisc for TI's WL BT, FM, GPS combo chips */
+
+/* some gpios have active high, others like fm have
+ * active low
+ */
+enum kim_gpio_state {
+	KIM_GPIO_INACTIVE,
+	KIM_GPIO_ACTIVE,
+};
+/*
+ * the list of protocols on chip
+ */
+enum proto_type {
+	ST_BT,
+	ST_FM,
+	ST_GPS,
+	ST_MAX,
+};
+
+enum {
+	ST_ERR_FAILURE = -1,	/* check struct */
+	ST_SUCCESS,
+	ST_ERR_PENDING = -5,	/* to call reg_complete_cb */
+	ST_ERR_ALREADY,		/* already registered */
+	ST_ERR_INPROGRESS,
+	ST_ERR_NOPROTO,		/* protocol not supported */
+};
+
+/* per protocol structure
+ * for BT/FM and GPS
+ */
+struct st_proto_s {
+	enum proto_type type;
+/*
+ * to be called by ST when data arrives
+ */
+	long (*recv) (struct sk_buff *);
+/*
+ * for future use, logic now to be in ST
+ */
+	unsigned char (*match_packet) (const unsigned char *data);
+/*
+ * subsequent registration return PENDING,
+ * signalled complete by this callback function
+ */
+	void (*reg_complete_cb) (char data);
+/*
+ * write function, sent in as NULL and to be returned to
+ * protocol drivers
+ */
+	long (*write) (struct sk_buff *skb);
+};
+
+extern long st_register(struct st_proto_s *new_proto);
+extern long st_unregister(enum proto_type type);
+
+#endif /* ST_H */

From dfcbb616e8dd98a0121fba4c9f9aa65f40f6f268 Mon Sep 17 00:00:00 2001
From: Pavan Savoy <pavan_savoy@ti.com>
Date: Thu, 8 Apr 2010 13:16:58 -0500
Subject: [PATCH 1047/3638] Staging: add TODO and ABI to ti-st

A TODO file and a ABI to list the things to be done,
and user-space/kernel-space interface for this ldisc.

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ti-st/TODO      | 19 +++++++++++++++++++
 drivers/staging/ti-st/sysfs-uim | 16 ++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 drivers/staging/ti-st/TODO
 create mode 100644 drivers/staging/ti-st/sysfs-uim

diff --git a/drivers/staging/ti-st/TODO b/drivers/staging/ti-st/TODO
new file mode 100644
index 00000000000..2c4fe583901
--- /dev/null
+++ b/drivers/staging/ti-st/TODO
@@ -0,0 +1,19 @@
+TODO:
+
+1. A per-device/tty port context required to support multiple devices
+on same platform.
+
+2. REMOVE the sysfs entry PID passing mechanism, since there should
+be a better way to request user-space to install line discipline.
+
+3. Re-view/Re-work on the locking.
+
+4. Re-structure to make the ldisc driver more generic for chipsets which mux
+multiple connectivity (BT, FM, GPS) upon 1 TTY port.
+
+5. Step up and maintain this driver to ensure that it continues
+to work.  Having the hardware for this is pretty much a
+requirement.  If this does not happen, the will be removed in
+the 2.6.35 kernel release.
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
diff --git a/drivers/staging/ti-st/sysfs-uim b/drivers/staging/ti-st/sysfs-uim
new file mode 100644
index 00000000000..10311afcbd4
--- /dev/null
+++ b/drivers/staging/ti-st/sysfs-uim
@@ -0,0 +1,16 @@
+What:           /sys/class/rfkill/rfkill%d/
+Date:           March 22
+Contact:        Pavan Savoy <pavan_savoy@ti.com>
+Description:
+		Creates the rfkill entries for Radio apps like
+		BT app, FM app or GPS app to toggle corresponding
+		cores of the chip
+
+What:           /dev/rfkill
+Date:           March 22
+Contact:        Pavan Savoy <pavan_savoy@ti.com>
+Description:
+		A daemon which maintains the ldisc installation and
+		uninstallation would be ppolling on this device and listening
+		on events which would suggest either to install or un-install
+		line discipline

From 70ddf80ac4a32fa1d5e3faba52385a9ab691b16b Mon Sep 17 00:00:00 2001
From: Pavan Savoy <pavan_savoy@ti.com>
Date: Thu, 8 Apr 2010 13:16:59 -0500
Subject: [PATCH 1048/3638] Staging: bluetooth: BT driver using ST for TI combo
 devices

This is BlueZ driver making use of Shared Transport line
discipline to communicate with the chip.

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ti-st/bt_drv.c | 502 +++++++++++++++++++++++++++++++++
 drivers/staging/ti-st/bt_drv.h |  61 ++++
 2 files changed, 563 insertions(+)
 create mode 100644 drivers/staging/ti-st/bt_drv.c
 create mode 100644 drivers/staging/ti-st/bt_drv.h

diff --git a/drivers/staging/ti-st/bt_drv.c b/drivers/staging/ti-st/bt_drv.c
new file mode 100644
index 00000000000..d8420b5c91f
--- /dev/null
+++ b/drivers/staging/ti-st/bt_drv.c
@@ -0,0 +1,502 @@
+/*
+ *  Texas Instrument's Bluetooth Driver For Shared Transport.
+ *
+ *  Bluetooth Driver acts as interface between HCI CORE and
+ *  TI Shared Transport Layer.
+ *
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#include "st.h"
+#include "bt_drv.h"
+
+/* Define this macro to get debug msg */
+#undef DEBUG
+
+#ifdef DEBUG
+#define BT_DRV_DBG(fmt, arg...)  printk(KERN_INFO "(btdrv):"fmt"\n" , ## arg)
+#define BTDRV_API_START()        printk(KERN_INFO "(btdrv): %s Start\n", \
+	__func__)
+#define BTDRV_API_EXIT(errno)    printk(KERN_INFO "(btdrv): %s Exit(%d)\n", \
+	__func__, errno)
+#else
+#define BT_DRV_DBG(fmt, arg...)
+#define BTDRV_API_START()
+#define BTDRV_API_EXIT(errno)
+#endif
+
+#define BT_DRV_ERR(fmt, arg...)  printk(KERN_ERR "(btdrv):"fmt"\n" , ## arg)
+
+static int reset;
+static struct hci_st *hst;
+
+/* Increments HCI counters based on pocket ID (cmd,acl,sco) */
+static inline void hci_st_tx_complete(struct hci_st *hst, int pkt_type)
+{
+	struct hci_dev *hdev;
+
+	BTDRV_API_START();
+
+	hdev = hst->hdev;
+
+	/* Update HCI stat counters */
+	switch (pkt_type) {
+	case HCI_COMMAND_PKT:
+		hdev->stat.cmd_tx++;
+		break;
+
+	case HCI_ACLDATA_PKT:
+		hdev->stat.acl_tx++;
+		break;
+
+	case HCI_SCODATA_PKT:
+		hdev->stat.cmd_tx++;
+		break;
+	}
+
+	BTDRV_API_EXIT(0);
+}
+
+/* ------- Interfaces to Shared Transport ------ */
+
+/* Called by ST layer to indicate protocol registration completion
+ * status.hci_st_open() function will wait for signal from this
+ * API when st_register() function returns ST_PENDING.
+ */
+static void hci_st_registration_completion_cb(char data)
+{
+	BTDRV_API_START();
+
+	/* hci_st_open() function needs value of 'data' to know
+	 * the registration status(success/fail),So have a back
+	 * up of it.
+	 */
+	hst->streg_cbdata = data;
+
+	/* Got a feedback from ST for BT driver registration
+	 * request.Wackup hci_st_open() function to continue
+	 * it's open operation.
+	 */
+	complete(&hst->wait_for_btdrv_reg_completion);
+
+	BTDRV_API_EXIT(0);
+}
+
+/* Called by Shared Transport layer when receive data is
+ * available */
+static long hci_st_receive(struct sk_buff *skb)
+{
+	int err;
+	int len;
+
+	BTDRV_API_START();
+
+	err = 0;
+	len = 0;
+
+	if (skb == NULL) {
+		BT_DRV_ERR("Invalid SKB received from ST");
+		BTDRV_API_EXIT(-EFAULT);
+		return -EFAULT;
+	}
+	if (!hst) {
+		kfree_skb(skb);
+		BT_DRV_ERR("Invalid hci_st memory,freeing SKB");
+		BTDRV_API_EXIT(-EFAULT);
+		return -EFAULT;
+	}
+	if (!test_bit(BT_DRV_RUNNING, &hst->flags)) {
+		kfree_skb(skb);
+		BT_DRV_ERR("Device is not running,freeing SKB");
+		BTDRV_API_EXIT(-EINVAL);
+		return -EINVAL;
+	}
+
+	len = skb->len;
+	skb->dev = (struct net_device *)hst->hdev;
+
+	/* Forward skb to HCI CORE layer */
+	err = hci_recv_frame(skb);
+	if (err) {
+		kfree_skb(skb);
+		BT_DRV_ERR("Unable to push skb to HCI CORE(%d),freeing SKB",
+			   err);
+		BTDRV_API_EXIT(err);
+		return err;
+	}
+	hst->hdev->stat.byte_rx += len;
+
+	BTDRV_API_EXIT(0);
+	return 0;
+}
+
+/* ------- Interfaces to HCI layer ------ */
+
+/* Called from HCI core to initialize the device */
+static int hci_st_open(struct hci_dev *hdev)
+{
+	static struct st_proto_s hci_st_proto;
+	unsigned long timeleft;
+	int err;
+
+	BTDRV_API_START();
+
+	err = 0;
+
+	BT_DRV_DBG("%s %p", hdev->name, hdev);
+
+	/* Already registered with ST ? */
+	if (test_bit(BT_ST_REGISTERED, &hst->flags)) {
+		BT_DRV_ERR("Registered with ST already,open called again?");
+		BTDRV_API_EXIT(0);
+		return 0;
+	}
+
+	/* Populate BT driver info required by ST */
+	memset(&hci_st_proto, 0, sizeof(hci_st_proto));
+
+	/* BT driver ID */
+	hci_st_proto.type = ST_BT;
+
+	/* Receive function which called from ST */
+	hci_st_proto.recv = hci_st_receive;
+
+	/* Packet match function may used in future */
+	hci_st_proto.match_packet = NULL;
+
+	/* Callback to be called when registration is pending */
+	hci_st_proto.reg_complete_cb = hci_st_registration_completion_cb;
+
+	/* This is write function pointer of ST. BT driver will make use of this
+	 * for sending any packets to chip. ST will assign and give to us, so
+	 * make it as NULL */
+	hci_st_proto.write = NULL;
+
+	/* Register with ST layer */
+	err = st_register(&hci_st_proto);
+	if (err == ST_ERR_PENDING) {
+		/* Prepare wait-for-completion handler data structures.
+		 * Needed to syncronize this and st_registration_completion_cb()
+		 * functions.
+		 */
+		init_completion(&hst->wait_for_btdrv_reg_completion);
+
+		/* Reset ST registration callback status flag , this value
+		 * will be updated in hci_st_registration_completion_cb()
+		 * function whenever it called from ST driver.
+		 */
+		hst->streg_cbdata = -EINPROGRESS;
+
+		/* ST is busy with other protocol registration(may be busy with
+		 * firmware download).So,Wait till the registration callback
+		 * (passed as a argument to st_register() function) getting
+		 * called from ST.
+		 */
+		BT_DRV_DBG(" %s waiting for reg completion signal from ST",
+			   __func__);
+
+		timeleft =
+		    wait_for_completion_timeout
+		    (&hst->wait_for_btdrv_reg_completion,
+		     msecs_to_jiffies(BT_REGISTER_TIMEOUT));
+		if (!timeleft) {
+			BT_DRV_ERR("Timeout(%ld sec),didn't get reg"
+				   "completion signal from ST",
+				   BT_REGISTER_TIMEOUT / 1000);
+			BTDRV_API_EXIT(-ETIMEDOUT);
+			return -ETIMEDOUT;
+		}
+
+		/* Is ST registration callback called with ERROR value? */
+		if (hst->streg_cbdata != 0) {
+			BT_DRV_ERR("ST reg completion CB called with invalid"
+				   "status %d", hst->streg_cbdata);
+			BTDRV_API_EXIT(-EAGAIN);
+			return -EAGAIN;
+		}
+		err = 0;
+	} else if (err == ST_ERR_FAILURE) {
+		BT_DRV_ERR("st_register failed %d", err);
+		BTDRV_API_EXIT(-EAGAIN);
+		return -EAGAIN;
+	}
+
+	/* Do we have proper ST write function? */
+	if (hci_st_proto.write != NULL) {
+		/* We need this pointer for sending any Bluetooth pkts */
+		hst->st_write = hci_st_proto.write;
+	} else {
+		BT_DRV_ERR("failed to get ST write func pointer");
+
+		/* Undo registration with ST */
+		err = st_unregister(ST_BT);
+		if (err < 0)
+			BT_DRV_ERR("st_unregister failed %d", err);
+
+		hst->st_write = NULL;
+		BTDRV_API_EXIT(-EAGAIN);
+		return -EAGAIN;
+	}
+
+	/* Registration with ST layer is completed successfully,
+	 * now chip is ready to accept commands from HCI CORE.
+	 * Mark HCI Device flag as RUNNING
+	 */
+	set_bit(HCI_RUNNING, &hdev->flags);
+
+	/* Registration with ST successful */
+	set_bit(BT_ST_REGISTERED, &hst->flags);
+
+	BTDRV_API_EXIT(err);
+	return err;
+}
+
+/* Close device */
+static int hci_st_close(struct hci_dev *hdev)
+{
+	int err;
+
+	BTDRV_API_START();
+
+	err = 0;
+
+	/* Unregister from ST layer */
+	if (test_and_clear_bit(BT_ST_REGISTERED, &hst->flags)) {
+		err = st_unregister(ST_BT);
+		if (err != ST_SUCCESS) {
+			BT_DRV_ERR("st_unregister failed %d", err);
+			BTDRV_API_EXIT(-EBUSY);
+			return -EBUSY;
+		}
+	}
+
+	hst->st_write = NULL;
+
+	/* ST layer would have moved chip to inactive state.
+	 * So,clear HCI device RUNNING flag.
+	 */
+	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) {
+		BTDRV_API_EXIT(0);
+		return 0;
+	}
+
+	BTDRV_API_EXIT(err);
+	return err;
+}
+
+/* Called from HCI CORE , Sends frames to Shared Transport */
+static int hci_st_send_frame(struct sk_buff *skb)
+{
+	struct hci_dev *hdev;
+	struct hci_st *hst;
+	long len;
+
+	BTDRV_API_START();
+
+	if (skb == NULL) {
+		BT_DRV_ERR("Invalid skb received from HCI CORE");
+		BTDRV_API_EXIT(-ENOMEM);
+		return -ENOMEM;
+	}
+	hdev = (struct hci_dev *)skb->dev;
+	if (!hdev) {
+		BT_DRV_ERR("SKB received for invalid HCI Device (hdev=NULL)");
+		BTDRV_API_EXIT(-ENODEV);
+		return -ENODEV;
+	}
+	if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+		BT_DRV_ERR("Device is not running");
+		BTDRV_API_EXIT(-EBUSY);
+		return -EBUSY;
+	}
+
+	hst = (struct hci_st *)hdev->driver_data;
+
+	/* Prepend skb with frame type */
+	memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+
+	BT_DRV_DBG(" %s: type %d len %d", hdev->name, bt_cb(skb)->pkt_type,
+		   skb->len);
+
+	/* Insert skb to shared transport layer's transmit queue.
+	 * Freeing skb memory is taken care in shared transport layer,
+	 * so don't free skb memory here.
+	 */
+	if (!hst->st_write) {
+		kfree_skb(skb);
+		BT_DRV_ERR(" Can't write to ST, st_write null?");
+		BTDRV_API_EXIT(-EAGAIN);
+		return -EAGAIN;
+	}
+	len = hst->st_write(skb);
+	if (len < 0) {
+		/* Something went wrong in st write , free skb memory */
+		kfree_skb(skb);
+		BT_DRV_ERR(" ST write failed (%ld)", len);
+		BTDRV_API_EXIT(-EAGAIN);
+		return -EAGAIN;
+	}
+
+	/* ST accepted our skb. So, Go ahead and do rest */
+	hdev->stat.byte_tx += len;
+	hci_st_tx_complete(hst, bt_cb(skb)->pkt_type);
+
+	BTDRV_API_EXIT(0);
+	return 0;
+}
+
+static void hci_st_destruct(struct hci_dev *hdev)
+{
+	BTDRV_API_START();
+
+	if (!hdev) {
+		BT_DRV_ERR("Destruct called with invalid HCI Device"
+			   "(hdev=NULL)");
+		BTDRV_API_EXIT(0);
+		return;
+	}
+
+	BT_DRV_DBG("%s", hdev->name);
+
+	/* free hci_st memory */
+	if (hdev->driver_data != NULL)
+		kfree(hdev->driver_data);
+
+	BTDRV_API_EXIT(0);
+	return;
+}
+
+/* Creates new HCI device */
+static int hci_st_register_dev(struct hci_st *hst)
+{
+	struct hci_dev *hdev;
+
+	BTDRV_API_START();
+
+	/* Initialize and register HCI device */
+	hdev = hci_alloc_dev();
+	if (!hdev) {
+		BT_DRV_ERR("Can't allocate HCI device");
+		BTDRV_API_EXIT(-ENOMEM);
+		return -ENOMEM;
+	}
+	BT_DRV_DBG(" HCI device allocated. hdev= %p", hdev);
+
+	hst->hdev = hdev;
+	hdev->bus = HCI_UART;
+	hdev->driver_data = hst;
+	hdev->open = hci_st_open;
+	hdev->close = hci_st_close;
+	hdev->flush = NULL;
+	hdev->send = hci_st_send_frame;
+	hdev->destruct = hci_st_destruct;
+	hdev->owner = THIS_MODULE;
+
+	if (reset)
+		set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
+
+	if (hci_register_dev(hdev) < 0) {
+		BT_DRV_ERR("Can't register HCI device");
+		hci_free_dev(hdev);
+		BTDRV_API_EXIT(-ENODEV);
+		return -ENODEV;
+	}
+
+	BT_DRV_DBG(" HCI device registered. hdev= %p", hdev);
+	BTDRV_API_EXIT(0);
+	return 0;
+}
+
+/* ------- Module Init interface ------ */
+
+static int __init bt_drv_init(void)
+{
+	int err;
+
+	BTDRV_API_START();
+
+	err = 0;
+
+	BT_DRV_DBG(" Bluetooth Driver Version %s", VERSION);
+
+	/* Allocate local resource memory */
+	hst = kzalloc(sizeof(struct hci_st), GFP_KERNEL);
+	if (!hst) {
+		BT_DRV_ERR("Can't allocate control structure");
+		BTDRV_API_EXIT(-ENFILE);
+		return -ENFILE;
+	}
+
+	/* Expose "hciX" device to user space */
+	err = hci_st_register_dev(hst);
+	if (err) {
+		/* Release local resource memory */
+		kfree(hst);
+
+		BT_DRV_ERR("Unable to expose hci0 device(%d)", err);
+		BTDRV_API_EXIT(err);
+		return err;
+	}
+	set_bit(BT_DRV_RUNNING, &hst->flags);
+
+	BTDRV_API_EXIT(err);
+	return err;
+}
+
+/* ------- Module Exit interface ------ */
+
+static void __exit bt_drv_exit(void)
+{
+	BTDRV_API_START();
+
+	/* Deallocate local resource's memory  */
+	if (hst) {
+		struct hci_dev *hdev = hst->hdev;
+
+		if (hdev == NULL) {
+			BT_DRV_ERR("Invalid hdev memory");
+			kfree(hst);
+		} else {
+			hci_st_close(hdev);
+			if (test_and_clear_bit(BT_DRV_RUNNING, &hst->flags)) {
+				/* Remove HCI device (hciX) created
+				 * in module init.
+				 */
+				hci_unregister_dev(hdev);
+
+				/* Free HCI device memory */
+				hci_free_dev(hdev);
+			}
+		}
+	}
+	BTDRV_API_EXIT(0);
+}
+
+module_init(bt_drv_init);
+module_exit(bt_drv_exit);
+
+/* ------ Module Info ------ */
+
+module_param(reset, bool, 0644);
+MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
+MODULE_AUTHOR("Raja Mani <raja_mani@ti.com>");
+MODULE_DESCRIPTION("Bluetooth Driver for TI Shared Transport" VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/ti-st/bt_drv.h b/drivers/staging/ti-st/bt_drv.h
new file mode 100644
index 00000000000..a0beebec846
--- /dev/null
+++ b/drivers/staging/ti-st/bt_drv.h
@@ -0,0 +1,61 @@
+/*
+ *  Texas Instrument's Bluetooth Driver For Shared Transport.
+ *
+ *  Bluetooth Driver acts as interface between HCI CORE and
+ *  TI Shared Transport Layer.
+ *
+ *  Copyright (C) 2009 Texas Instruments
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef _BT_DRV_H
+#define _BT_DRV_H
+
+/* Bluetooth Driver Version */
+#define VERSION               "1.0"
+
+/* Defines number of seconds to wait for reg completion
+ * callback getting called from ST (in case,registration
+ * with ST returns PENDING status)
+ */
+#define BT_REGISTER_TIMEOUT   msecs_to_jiffies(6000)	/* 6 sec */
+
+/* BT driver's local status */
+#define BT_DRV_RUNNING        0
+#define BT_ST_REGISTERED      1
+
+/* BT driver operation structure */
+struct hci_st {
+
+	/* hci device pointer which binds to bt driver */
+	struct hci_dev *hdev;
+
+	/* used locally,to maintain various BT driver status */
+	unsigned long flags;
+
+	/* to hold ST registration callback  status */
+	char streg_cbdata;
+
+	/* write function pointer of ST driver */
+	long (*st_write) (struct sk_buff *);
+
+	/* Wait on comepletion handler needed to synchronize
+	 * hci_st_open() and hci_st_registration_completion_cb()
+	 * functions.*/
+	struct completion wait_for_btdrv_reg_completion;
+};
+
+#endif

From 2f6aee5646f4f0ac2a83b0e95eff055364142a24 Mon Sep 17 00:00:00 2001
From: Pavan Savoy <pavan_savoy@ti.com>
Date: Thu, 8 Apr 2010 13:16:57 -0500
Subject: [PATCH 1049/3638] Staging: Kconfig, Makefile for TI's ST ldisc

This change adds the Kconfig and Make file for TI's
ST line discipline driver and the BlueZ driver for BT
core of the TI BT/FM/GPS combo chip.

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
---
 drivers/staging/Kconfig        |  2 ++
 drivers/staging/Makefile       |  1 +
 drivers/staging/ti-st/Kconfig  | 24 ++++++++++++++++++++++++
 drivers/staging/ti-st/Makefile |  7 +++++++
 4 files changed, 34 insertions(+)
 create mode 100644 drivers/staging/ti-st/Kconfig
 create mode 100644 drivers/staging/ti-st/Makefile

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 597e1098747..d97e46e60d9 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -141,5 +141,7 @@ source "drivers/staging/crystalhd/Kconfig"
 
 source "drivers/staging/cxt1e1/Kconfig"
 
+source "drivers/staging/ti-st/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 6edd9b09c2d..23e353a411d 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -52,3 +52,4 @@ obj-$(CONFIG_FB_SM7XX)		+= sm7xx/
 obj-$(CONFIG_DT3155)		+= dt3155/
 obj-$(CONFIG_CRYSTALHD)		+= crystalhd/
 obj-$(CONFIG_CXT1E1)		+= cxt1e1/
+obj-$(CONFIG_TI_ST)		+= ti-st/
diff --git a/drivers/staging/ti-st/Kconfig b/drivers/staging/ti-st/Kconfig
new file mode 100644
index 00000000000..120e8db1368
--- /dev/null
+++ b/drivers/staging/ti-st/Kconfig
@@ -0,0 +1,24 @@
+#
+# TI's shared transport line discipline and the protocol
+# drivers (BT, FM and GPS)
+#
+menu "Texas Instruments shared transport line discipline"
+config TI_ST
+	tristate "shared transport core driver"
+	select FW_LOADER
+	help
+	  This enables the shared transport core driver for TI
+	  BT / FM and GPS combo chips. This enables protocol drivers
+	  to register themselves with core and send data, the responses
+	  are returned to relevant protocol drivers based on their
+	  packet types.
+
+config ST_BT
+	tristate "BlueZ bluetooth driver for ST"
+	depends on BT
+	select TI_ST
+	help
+	  This enables the Bluetooth driver for TI BT/FM/GPS combo devices.
+	  This makes use of shared transport line discipline core driver to
+	  communicate with the BT core of the combo chip.
+endmenu
diff --git a/drivers/staging/ti-st/Makefile b/drivers/staging/ti-st/Makefile
new file mode 100644
index 00000000000..0167d1d2c25
--- /dev/null
+++ b/drivers/staging/ti-st/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for TI's shared transport line discipline
+# and its protocol drivers (BT, FM, GPS)
+#
+obj-$(CONFIG_TI_ST) 		+= st_drv.o
+st_drv-objs			:= st_core.o st_kim.o st_ll.o
+obj-$(CONFIG_ST_BT) 		+= bt_drv.o

From 26e5b65b0794a1970ab09b65ef39beb9058ec952 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Tue, 13 Apr 2010 19:43:07 -0300
Subject: [PATCH 1050/3638] Staging: vt6656: struct usb_driver cleanup

Code cleanup following other USB drivers:
	- Renamed driver struct and callbacks to vt6656_*
	- Added __init/__exit like directives
	- Resolved checkpatch.pl findings on those lines

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/main_usb.c | 74 ++++++++++++++-----------------
 1 file changed, 33 insertions(+), 41 deletions(-)

diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index f15e7b48fe0..ea6c94d6a99 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -26,7 +26,7 @@
  *
  * Functions:
  *
- *   vntwusb_found1 - module initial (insmod) driver entry
+ *   vt6656_probe - module initial (insmod) driver entry
  *   device_remove1 - module remove entry
  *   device_open - allocate dma/descripter resource & initial mac/bbp function
  *   device_xmit - asynchrous data tx function
@@ -222,15 +222,11 @@ DEVICE_PARAM(b80211hEnable, "802.11h mode");
 // Static vars definitions
 //
 
-
-
-static struct usb_device_id vntwusb_table[] = {
+static struct usb_device_id vt6656_table[] __devinitdata = {
 	{USB_DEVICE(VNT_USB_VENDOR_ID, VNT_USB_PRODUCT_ID)},
 	{}
 };
 
-
-
 // Frequency list (map channels to frequencies)
 /*
 static const long frequency_list[] = {
@@ -250,15 +246,17 @@ static const long frequency_list[] = {
 static const struct iw_handler_def	iwctl_handler_def;
 */
 
-
-
 /*---------------------  Static Functions  --------------------------*/
-static int vntwusb_found1(struct usb_interface *intf, const struct usb_device_id *id);
-static void vntwusb_disconnect(struct usb_interface *intf);
+
+static int vt6656_probe(struct usb_interface *intf,
+			const struct usb_device_id *id);
+static void vt6656_disconnect(struct usb_interface *intf);
+
 #ifdef CONFIG_PM	/* Minimal support for suspend and resume */
-static int vntwusb_suspend(struct usb_interface *intf, pm_message_t message);
-static int vntwusb_resume(struct usb_interface *intf);
-#endif
+static int vt6656_suspend(struct usb_interface *intf, pm_message_t message);
+static int vt6656_resume(struct usb_interface *intf);
+#endif /* CONFIG_PM */
+
 static struct net_device_stats *device_get_stats(struct net_device *dev);
 static int  device_open(struct net_device *dev);
 static int  device_xmit(struct sk_buff *skb, struct net_device *dev);
@@ -712,7 +710,8 @@ static BOOL device_release_WPADEV(PSDevice pDevice)
 }
 
 #ifdef CONFIG_PM	/* Minimal support for suspend and resume */
-static int vntwusb_suspend(struct usb_interface *intf, pm_message_t message)
+
+static int vt6656_suspend(struct usb_interface *intf, pm_message_t message)
 {
  PSDevice  pDevice = usb_get_intfdata(intf);
  struct net_device *dev = pDevice->dev;
@@ -727,7 +726,7 @@ if(dev != NULL) {
  return 0;
 }
 
-static int vntwusb_resume(struct usb_interface *intf)
+static int vt6656_resume(struct usb_interface *intf)
 {
  PSDevice  pDevice = usb_get_intfdata(intf);
  struct net_device *dev = pDevice->dev;
@@ -742,8 +741,8 @@ static int vntwusb_resume(struct usb_interface *intf)
  }
  return 0;
 }
-#endif
 
+#endif /* CONFIG_PM */
 
 static const struct net_device_ops device_netdev_ops = {
     .ndo_open               = device_open,
@@ -755,8 +754,8 @@ static const struct net_device_ops device_netdev_ops = {
 };
 
 
-static int
-vntwusb_found1(struct usb_interface *intf, const struct usb_device_id *id)
+static int __devinit
+vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
    BYTE            fake_mac[U_ETHER_ADDR_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01};//fake MAC address
 	struct usb_device *udev = interface_to_usbdev(intf);
@@ -1285,8 +1284,7 @@ device_release_WPADEV(pDevice);
 }
 
 
-static void vntwusb_disconnect(struct usb_interface *intf)
-
+static void __devexit vt6656_disconnect(struct usb_interface *intf)
 {
 
 	PSDevice  pDevice = usb_get_intfdata(intf);
@@ -2157,35 +2155,29 @@ static int ethtool_ioctl(struct net_device *dev, void *useraddr)
 
 /*------------------------------------------------------------------*/
 
+MODULE_DEVICE_TABLE(usb, vt6656_table);
 
-MODULE_DEVICE_TABLE(usb, vntwusb_table);
-
-
-static struct usb_driver vntwusb_driver = {
-	    .name =		DEVICE_NAME,
-	    .probe =	vntwusb_found1,
-	    .disconnect =	vntwusb_disconnect,
-	    .id_table =	vntwusb_table,
-
-//2008-0920-01<Add>by MikeLiu
-//for supporting S3 & S4 function
+static struct usb_driver vt6656_driver = {
+	.name =		DEVICE_NAME,
+	.probe =	vt6656_probe,
+	.disconnect =	vt6656_disconnect,
+	.id_table =	vt6656_table,
 #ifdef CONFIG_PM
-	   .suspend = vntwusb_suspend,
-	   .resume = vntwusb_resume,
-#endif
+	.suspend = vt6656_suspend,
+	.resume = vt6656_resume,
+#endif /* CONFIG_PM */
 };
 
-static int __init vntwusb_init_module(void)
+static int __init vt6656_init_module(void)
 {
     printk(KERN_NOTICE DEVICE_FULL_DRV_NAM " " DEVICE_VERSION);
-    return usb_register(&vntwusb_driver);
+    return usb_register(&vt6656_driver);
 }
 
-static void __exit vntwusb_cleanup_module(void)
+static void __exit vt6656_cleanup_module(void)
 {
-	usb_deregister(&vntwusb_driver);
+	usb_deregister(&vt6656_driver);
 }
 
-module_init(vntwusb_init_module);
-module_exit(vntwusb_cleanup_module);
-
+module_init(vt6656_init_module);
+module_exit(vt6656_cleanup_module);

From 9a0e756c5280750c23bd44d2b855a1f5442ea7b4 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Tue, 13 Apr 2010 21:54:48 -0300
Subject: [PATCH 1051/3638] Staging: vt6656: incorporated ETH_ALEN macro
 instead of custom one

Replaced custom U_ETHER_ADDR_LEN by ETH_ALEN from <linux/if_ether.h>.
Resolved checkpatch findings on the changed lines, mostly indentation.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/aes_ccmp.c |  11 +-
 drivers/staging/vt6656/desc.h     |   6 +-
 drivers/staging/vt6656/device.h   |  22 +--
 drivers/staging/vt6656/dpc.c      |  81 +++++------
 drivers/staging/vt6656/ioctl.c    |   4 +-
 drivers/staging/vt6656/key.c      |   4 +-
 drivers/staging/vt6656/key.h      |   2 +-
 drivers/staging/vt6656/main_usb.c |  41 +++---
 drivers/staging/vt6656/mib.c      |  19 ++-
 drivers/staging/vt6656/mib.h      |   4 +-
 drivers/staging/vt6656/rxtx.c     | 216 +++++++++++++++++++-----------
 drivers/staging/vt6656/rxtx.h     |   6 +-
 drivers/staging/vt6656/tether.c   |   2 +-
 drivers/staging/vt6656/tether.h   |  22 +--
 drivers/staging/vt6656/wctl.c     |   6 +-
 drivers/staging/vt6656/wmgr.c     |  52 ++++---
 drivers/staging/vt6656/wpa2.c     |  31 +++--
 drivers/staging/vt6656/wpactl.c   |   2 +-
 18 files changed, 307 insertions(+), 224 deletions(-)

diff --git a/drivers/staging/vt6656/aes_ccmp.c b/drivers/staging/vt6656/aes_ccmp.c
index 401a7d267c9..a1beaa93b33 100644
--- a/drivers/staging/vt6656/aes_ccmp.c
+++ b/drivers/staging/vt6656/aes_ccmp.c
@@ -277,7 +277,7 @@ int             ii,jj,kk;
     pbyPayload = pbyIV + 8; //IV-length
 
     abyNonce[0]  = 0x00; //now is 0, if Qos here will be priority
-    memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, U_ETHER_ADDR_LEN);
+    memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN);
     abyNonce[7]  = pbyIV[7];
     abyNonce[8]  = pbyIV[6];
     abyNonce[9]  = pbyIV[5];
@@ -299,16 +299,17 @@ int             ii,jj,kk;
     byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
     byTmp &= 0x87;
     MIC_HDR1[3] = byTmp | 0x40;
-    memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, U_ETHER_ADDR_LEN);
-    memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, U_ETHER_ADDR_LEN);
+    memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
+    memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
 
     //MIC_HDR2
-    memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, U_ETHER_ADDR_LEN);
+    memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
     byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
     MIC_HDR2[6] = byTmp & 0x0f;
     MIC_HDR2[7] = 0;
+
     if ( bA4 ) {
-        memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, U_ETHER_ADDR_LEN);
+		memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, ETH_ALEN);
     } else {
         MIC_HDR2[8]  = 0x00;
         MIC_HDR2[9]  = 0x00;
diff --git a/drivers/staging/vt6656/desc.h b/drivers/staging/vt6656/desc.h
index f10530fcc99..c87ea6b4d86 100644
--- a/drivers/staging/vt6656/desc.h
+++ b/drivers/staging/vt6656/desc.h
@@ -206,8 +206,8 @@ typedef const SRrvTime_atim *PCSRrvTime_atim;
 typedef struct tagSRTSData {
     WORD    wFrameControl;
     WORD    wDurationID;
-    BYTE    abyRA[U_ETHER_ADDR_LEN];
-    BYTE    abyTA[U_ETHER_ADDR_LEN];
+    BYTE    abyRA[ETH_ALEN];
+    BYTE    abyTA[ETH_ALEN];
 }__attribute__ ((__packed__))
 SRTSData, *PSRTSData;
 typedef const SRTSData *PCSRTSData;
@@ -282,7 +282,7 @@ typedef const SRTS_a_FB *PCSRTS_a_FB;
 typedef struct tagSCTSData {
     WORD    wFrameControl;
     WORD    wDurationID;
-    BYTE    abyRA[U_ETHER_ADDR_LEN];
+    BYTE    abyRA[ETH_ALEN];
     WORD    wReserved;
 }__attribute__ ((__packed__))
 SCTSData, *PSCTSData;
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index 8b541d1d0e2..29bb5977541 100644
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -107,7 +107,7 @@
 #define MAC_MAX_CONTEXT_REG     (256+128)
 
 #define MAX_MULTICAST_ADDRESS_NUM       32
-#define MULTICAST_ADDRESS_LIST_SIZE     (MAX_MULTICAST_ADDRESS_NUM * U_ETHER_ADDR_LEN)
+#define MULTICAST_ADDRESS_LIST_SIZE     (MAX_MULTICAST_ADDRESS_NUM * ETH_ALEN)
 
 
 //#define OP_MODE_INFRASTRUCTURE  0
@@ -369,7 +369,7 @@ typedef struct tagSQuietControl {
 // The receive duplicate detection cache entry
 typedef struct tagSCacheEntry{
     WORD        wFmSequence;
-    BYTE        abyAddr2[U_ETHER_ADDR_LEN];
+    BYTE        abyAddr2[ETH_ALEN];
     WORD        wFrameCtl;
 } SCacheEntry, *PSCacheEntry;
 
@@ -387,7 +387,7 @@ typedef struct tagSDeFragControlBlock
 {
     WORD            wSequence;
     WORD            wFragNum;
-    BYTE            abyAddr2[U_ETHER_ADDR_LEN];
+    BYTE            abyAddr2[ETH_ALEN];
 	UINT            uLifetime;
     struct sk_buff* skb;
     PBYTE           pbyRxBuffer;
@@ -547,10 +547,10 @@ typedef struct __device_info {
     BYTE                        byOriginalZonetype;
 
     BOOL                        bLinkPass;          // link status: OK or fail
-    BYTE                        abyCurrentNetAddr[U_ETHER_ADDR_LEN];
-    BYTE                        abyPermanentNetAddr[U_ETHER_ADDR_LEN];
+    BYTE                        abyCurrentNetAddr[ETH_ALEN];
+    BYTE                        abyPermanentNetAddr[ETH_ALEN];
     // SW network address
-//    BYTE                        abySoftwareNetAddr[U_ETHER_ADDR_LEN];
+	/* u8 abySoftwareNetAddr[ETH_ALEN]; */
     BOOL                        bExistSWNetAddr;
 
     // Adapter statistics
@@ -671,8 +671,8 @@ typedef struct __device_info {
     CARD_OP_MODE                eOPMode;
     BOOL                        bBSSIDFilter;
     WORD                        wMaxTransmitMSDULifetime;
-    BYTE                        abyBSSID[U_ETHER_ADDR_LEN];
-    BYTE                        abyDesireBSSID[U_ETHER_ADDR_LEN];
+    BYTE                        abyBSSID[ETH_ALEN];
+    BYTE                        abyDesireBSSID[ETH_ALEN];
     WORD                        wCTSDuration;       // update while speed change
     WORD                        wACKDuration;       // update while speed change
     WORD                        wRTSTransmitLen;    // update while speed change
@@ -826,9 +826,9 @@ typedef struct __device_info {
 
     SEthernetHeader         sTxEthHeader;
     SEthernetHeader         sRxEthHeader;
-    BYTE                    abyBroadcastAddr[U_ETHER_ADDR_LEN];
-    BYTE                    abySNAP_RFC1042[U_ETHER_ADDR_LEN];
-    BYTE                    abySNAP_Bridgetunnel[U_ETHER_ADDR_LEN];
+    BYTE                    abyBroadcastAddr[ETH_ALEN];
+    BYTE                    abySNAP_RFC1042[ETH_ALEN];
+    BYTE                    abySNAP_Bridgetunnel[ETH_ALEN];
 
     // Pre-Authentication & PMK cache
     SPMKID                  gsPMKID;
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index 835c6d6967b..9e833bb08e3 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -234,11 +234,11 @@ s_vProcessRxMACHeader (
         }
     }
 
-    cbHeaderSize -= (U_ETHER_ADDR_LEN * 2);
+    cbHeaderSize -= (ETH_ALEN * 2);
     pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize);
-    for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
+    for (ii = 0; ii < ETH_ALEN; ii++)
         *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
-    for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
+    for (ii = 0; ii < ETH_ALEN; ii++)
         *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
 
     *pcbHeadSize = cbHeaderSize;
@@ -267,43 +267,48 @@ s_vGetDASA (
     OUT PSEthernetHeader psEthHeader
     )
 {
-    UINT            cbHeaderSize = 0;
-    PS802_11Header  pMACHeader;
-    int             ii;
+	UINT            cbHeaderSize = 0;
+	PS802_11Header  pMACHeader;
+	int             ii;
 
-    pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
+	pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
 
-    if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
-        if (pMACHeader->wFrameCtl & FC_FROMDS) {
-            for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
-                psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
-                psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
-            }
-        }
-        else {
-            // IBSS mode
-            for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
-                psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
-                psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
-            }
-        }
-    }
-    else {
-        // Is AP mode..
-        if (pMACHeader->wFrameCtl & FC_FROMDS) {
-            for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
-                psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
-                psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
-                cbHeaderSize += 6;
-            }
-        }
-        else {
-            for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
-                psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
-                psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
-            }
-        }
-    };
+	if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
+		if (pMACHeader->wFrameCtl & FC_FROMDS) {
+			for (ii = 0; ii < ETH_ALEN; ii++) {
+				psEthHeader->abyDstAddr[ii] =
+					pMACHeader->abyAddr1[ii];
+				psEthHeader->abySrcAddr[ii] =
+					pMACHeader->abyAddr3[ii];
+			}
+		} else {
+			/* IBSS mode */
+			for (ii = 0; ii < ETH_ALEN; ii++) {
+				psEthHeader->abyDstAddr[ii] =
+					pMACHeader->abyAddr1[ii];
+				psEthHeader->abySrcAddr[ii] =
+					pMACHeader->abyAddr2[ii];
+			}
+		}
+	} else {
+		/* Is AP mode.. */
+		if (pMACHeader->wFrameCtl & FC_FROMDS) {
+			for (ii = 0; ii < ETH_ALEN; ii++) {
+				psEthHeader->abyDstAddr[ii] =
+					pMACHeader->abyAddr3[ii];
+				psEthHeader->abySrcAddr[ii] =
+					pMACHeader->abyAddr4[ii];
+				cbHeaderSize += 6;
+			}
+		} else {
+			for (ii = 0; ii < ETH_ALEN; ii++) {
+				psEthHeader->abyDstAddr[ii] =
+					pMACHeader->abyAddr3[ii];
+				psEthHeader->abySrcAddr[ii] =
+					pMACHeader->abyAddr2[ii];
+			}
+		}
+	};
     *pcbHeaderSize = cbHeaderSize;
 }
 
diff --git a/drivers/staging/vt6656/ioctl.c b/drivers/staging/vt6656/ioctl.c
index 6f33005a615..d7a78f2f9f0 100644
--- a/drivers/staging/vt6656/ioctl.c
+++ b/drivers/staging/vt6656/ioctl.c
@@ -480,7 +480,9 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 		};
 		if (sValue.dwValue == 1) {
                      DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "up wpadev\n");
-		   memcpy(pDevice->wpadev->dev_addr, pDevice->dev->dev_addr, U_ETHER_ADDR_LEN);
+		   memcpy(pDevice->wpadev->dev_addr,
+			  pDevice->dev->dev_addr,
+			  ETH_ALEN);
 		   pDevice->bWPADEVUp = TRUE;
         }
         else {
diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
index 13fc69a1a08..0cd2751d67d 100644
--- a/drivers/staging/vt6656/key.c
+++ b/drivers/staging/vt6656/key.c
@@ -312,7 +312,7 @@ BOOL KeybSetKey (
         }
     }
     if (j < (MAX_KEY_TABLE-1)) {
-        memcpy(pTable->KeyTable[j].abyBSSID,pbyBSSID,U_ETHER_ADDR_LEN);
+	memcpy(pTable->KeyTable[j].abyBSSID, pbyBSSID, ETH_ALEN);
         pTable->KeyTable[j].bInUse = TRUE;
         if ((dwKeyIndex & PAIRWISE_KEY) != 0)  {
             // Pairwise key
@@ -700,7 +700,7 @@ BOOL KeybSetDefaultKey (
     }
 
     pTable->KeyTable[MAX_KEY_TABLE-1].bInUse = TRUE;
-    for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
+    for (ii = 0; ii < ETH_ALEN; ii++)
         pTable->KeyTable[MAX_KEY_TABLE-1].abyBSSID[ii] = 0xFF;
 
     // Group key
diff --git a/drivers/staging/vt6656/key.h b/drivers/staging/vt6656/key.h
index b15a64cb386..da8dfe09cf3 100644
--- a/drivers/staging/vt6656/key.h
+++ b/drivers/staging/vt6656/key.h
@@ -71,7 +71,7 @@ typedef struct tagSKeyItem
 
 typedef struct tagSKeyTable
 {
-    BYTE        abyBSSID[U_ETHER_ADDR_LEN];  //6
+    BYTE        abyBSSID[ETH_ALEN];  /* 6 */
     BYTE        byReserved0[2];              //8
     SKeyItem    PairwiseKey;
     SKeyItem    GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index ea6c94d6a99..c0bad4f43ee 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -295,14 +295,13 @@ static void usb_device_reset(PSDevice pDevice);
 static void
 device_set_options(PSDevice pDevice) {
 
-    BYTE    abyBroadcastAddr[U_ETHER_ADDR_LEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-    BYTE    abySNAP_RFC1042[U_ETHER_ADDR_LEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
-    BYTE    abySNAP_Bridgetunnel[U_ETHER_ADDR_LEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
+    BYTE    abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+    BYTE    abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
+    u8 abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
 
-
-    memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, U_ETHER_ADDR_LEN);
-    memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, U_ETHER_ADDR_LEN);
-    memcpy(pDevice->abySNAP_Bridgetunnel, abySNAP_Bridgetunnel, U_ETHER_ADDR_LEN);
+    memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, ETH_ALEN);
+    memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, ETH_ALEN);
+    memcpy(pDevice->abySNAP_Bridgetunnel, abySNAP_Bridgetunnel, ETH_ALEN);
 
     pDevice->cbTD = TX_DESC_DEF0;
     pDevice->cbRD = RX_DESC_DEF0;
@@ -359,9 +358,9 @@ static VOID device_init_diversity_timer(PSDevice pDevice) {
 
 static BOOL device_init_registers(PSDevice pDevice, DEVICE_INIT_TYPE InitType)
 {
-    BYTE            abyBroadcastAddr[U_ETHER_ADDR_LEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-    BYTE            abySNAP_RFC1042[U_ETHER_ADDR_LEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
-    BYTE            abySNAP_Bridgetunnel[U_ETHER_ADDR_LEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
+    u8 abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+    u8 abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
+    u8 abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
     BYTE            byAntenna;
     UINT            ii;
     CMD_CARD_INIT   sInitCmd;
@@ -375,10 +374,12 @@ static BOOL device_init_registers(PSDevice pDevice, DEVICE_INIT_TYPE InitType)
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---->INIbInitAdapter. [%d][%d]\n", InitType, pDevice->byPacketType);
 	spin_lock_irq(&pDevice->lock);
-    if (InitType == DEVICE_INIT_COLD) {
-        memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, U_ETHER_ADDR_LEN);
-        memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, U_ETHER_ADDR_LEN);
-        memcpy(pDevice->abySNAP_Bridgetunnel, abySNAP_Bridgetunnel, U_ETHER_ADDR_LEN);
+	if (InitType == DEVICE_INIT_COLD) {
+		memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, ETH_ALEN);
+		memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, ETH_ALEN);
+		memcpy(pDevice->abySNAP_Bridgetunnel,
+		       abySNAP_Bridgetunnel,
+		       ETH_ALEN);
 
         if ( !FIRMWAREbCheckVersion(pDevice) ) {
             if (FIRMWAREbDownload(pDevice) == TRUE) {
@@ -603,7 +604,9 @@ static BOOL device_init_registers(PSDevice pDevice, DEVICE_INIT_TYPE InitType)
 
         // get Permanent network address
         memcpy(pDevice->abyPermanentNetAddr,&(sInitRsp.byNetAddr[0]),6);
-        memcpy(pDevice->abyCurrentNetAddr, pDevice->abyPermanentNetAddr, U_ETHER_ADDR_LEN);
+	memcpy(pDevice->abyCurrentNetAddr,
+	       pDevice->abyPermanentNetAddr,
+	       ETH_ALEN);
 
         // if exist SW network address, use SW network address.
 
@@ -757,7 +760,7 @@ static const struct net_device_ops device_netdev_ops = {
 static int __devinit
 vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
-   BYTE            fake_mac[U_ETHER_ADDR_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01};//fake MAC address
+	u8 fake_mac[ETH_ALEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
 	struct usb_device *udev = interface_to_usbdev(intf);
     int         rc = 0;
     struct net_device *netdev = NULL;
@@ -798,7 +801,7 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
   //2007-0821-01<Add>by MikeLiu
          usb_set_intfdata(intf, pDevice);
 	SET_NETDEV_DEV(netdev, &intf->dev);
-    memcpy(pDevice->dev->dev_addr, fake_mac, U_ETHER_ADDR_LEN); //use fake mac address
+    memcpy(pDevice->dev->dev_addr, fake_mac, ETH_ALEN);
     rc = register_netdev(netdev);
     if (rc != 0) {
         printk(KERN_ERR DEVICE_NAME " Failed to register netdev\n");
@@ -1101,8 +1104,8 @@ static int  device_open(struct net_device *dev) {
     // Init for Key Management
 
     KeyvInitTable(pDevice,&pDevice->sKey);
-    memcpy(pDevice->sMgmtObj.abyMACAddr, pDevice->abyCurrentNetAddr, U_ETHER_ADDR_LEN);
-    memcpy(pDevice->dev->dev_addr, pDevice->abyCurrentNetAddr, U_ETHER_ADDR_LEN);
+    memcpy(pDevice->sMgmtObj.abyMACAddr, pDevice->abyCurrentNetAddr, ETH_ALEN);
+    memcpy(pDevice->dev->dev_addr, pDevice->abyCurrentNetAddr, ETH_ALEN);
     pDevice->bStopTx0Pkt = FALSE;
     pDevice->bStopDataPkt = FALSE;
     pDevice->bRoaming = FALSE;  //DavidWang
diff --git a/drivers/staging/vt6656/mib.c b/drivers/staging/vt6656/mib.c
index 910e610b7cc..b6f138efb47 100644
--- a/drivers/staging/vt6656/mib.c
+++ b/drivers/staging/vt6656/mib.c
@@ -156,18 +156,17 @@ void STAvUpdateRDStatCounter (PSStatCounter pStatistic,
                               BYTE byRSR, BYTE byNewRSR, BYTE byRxSts, BYTE byRxRate,
                               PBYTE pbyBuffer, UINT cbFrameLength)
 {
-    //need change
-    PS802_11Header pHeader = (PS802_11Header)pbyBuffer;
+	/* need change */
+	PS802_11Header pHeader = (PS802_11Header)pbyBuffer;
 
-    if (byRSR & RSR_ADDROK)
-        pStatistic->dwRsrADDROk++;
-    if (byRSR & RSR_CRCOK) {
-        pStatistic->dwRsrCRCOk++;
+	if (byRSR & RSR_ADDROK)
+		pStatistic->dwRsrADDROk++;
+	if (byRSR & RSR_CRCOK) {
+		pStatistic->dwRsrCRCOk++;
+		pStatistic->ullRsrOK++;
 
-        pStatistic->ullRsrOK++;
-
-        if (cbFrameLength >= U_ETHER_ADDR_LEN) {
-            // update counters in case that successful transmit
+		if (cbFrameLength >= ETH_ALEN) {
+			/* update counters in case of successful transmission */
             if (byRSR & RSR_ADDRBROAD) {
                 pStatistic->ullRxBroadcastFrames++;
                 pStatistic->ullRxBroadcastBytes += (ULONGLONG)cbFrameLength;
diff --git a/drivers/staging/vt6656/mib.h b/drivers/staging/vt6656/mib.h
index ac996d2cd91..d1d781774ca 100644
--- a/drivers/staging/vt6656/mib.h
+++ b/drivers/staging/vt6656/mib.h
@@ -91,7 +91,7 @@ typedef struct tagSMib2Counter {
     LONG    ifType;
     LONG    ifMtu;
     DWORD   ifSpeed;
-    BYTE    ifPhysAddress[U_ETHER_ADDR_LEN];
+    BYTE    ifPhysAddress[ETH_ALEN];
     LONG    ifAdminStatus;
     LONG    ifOperStatus;
     DWORD   ifLastChange;
@@ -231,7 +231,7 @@ typedef struct tagSTxPktInfo {
     BYTE    byBroadMultiUni;
     WORD    wLength;
     WORD    wFIFOCtl;
-    BYTE    abyDestAddr[U_ETHER_ADDR_LEN];
+    BYTE    abyDestAddr[ETH_ALEN];
 } STxPktInfo, *PSTxPktInfo;
 
 
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index d9fa36c9523..03b8b4decf0 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -322,7 +322,9 @@ s_vSaveTxPktInfo(PSDevice pDevice, BYTE byPktNum, PBYTE pbyDestAddr, WORD wPktLe
 
     pStatistic->abyTxPktInfo[byPktNum].wLength = wPktLength;
     pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl = wFIFOCtl;
-    memcpy(pStatistic->abyTxPktInfo[byPktNum].abyDestAddr, pbyDestAddr, U_ETHER_ADDR_LEN);
+    memcpy(pStatistic->abyTxPktInfo[byPktNum].abyDestAddr,
+	   pbyDestAddr,
+	   ETH_ALEN);
 }
 
 
@@ -1026,18 +1028,27 @@ s_vFillRTSHead (
             pBuf->Data.wDurationID = pBuf->wDuration_aa;
             //Get RTS Frame body
             pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4
-            if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
-                (pDevice->eOPMode == OP_MODE_AP)) {
-                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-            }
+
+	if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
+	    (pDevice->eOPMode == OP_MODE_AP)) {
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(psEthHeader->abyDstAddr[0]),
+		       ETH_ALEN);
+	}
             else {
-                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-            }
-            if (pDevice->eOPMode == OP_MODE_AP) {
-                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-            }
+		    memcpy(&(pBuf->Data.abyRA[0]),
+			   &(pDevice->abyBSSID[0]),
+			   ETH_ALEN);
+	    }
+	if (pDevice->eOPMode == OP_MODE_AP) {
+		memcpy(&(pBuf->Data.abyTA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
+	}
             else {
-                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+		    memcpy(&(pBuf->Data.abyTA[0]),
+			   &(psEthHeader->abySrcAddr[0]),
+			   ETH_ALEN);
             }
         }
         else {
@@ -1063,19 +1074,27 @@ s_vFillRTSHead (
             //Get RTS Frame body
             pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4
 
-            if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
-                (pDevice->eOPMode == OP_MODE_AP)) {
-                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-            }
+	if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
+	    (pDevice->eOPMode == OP_MODE_AP)) {
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(psEthHeader->abyDstAddr[0]),
+		       ETH_ALEN);
+	}
             else {
-                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
             }
 
-            if (pDevice->eOPMode == OP_MODE_AP) {
-                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-            }
+	if (pDevice->eOPMode == OP_MODE_AP) {
+		memcpy(&(pBuf->Data.abyTA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
+	}
             else {
-                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+		    memcpy(&(pBuf->Data.abyTA[0]),
+			   &(psEthHeader->abySrcAddr[0]),
+			   ETH_ALEN);
             }
 
         } // if (byFBOption == AUTO_FB_NONE)
@@ -1094,20 +1113,26 @@ s_vFillRTSHead (
             //Get RTS Frame body
             pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4
 
-            if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
-                (pDevice->eOPMode == OP_MODE_AP)) {
-                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-            }
-            else {
-                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-            }
+	if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
+	    (pDevice->eOPMode == OP_MODE_AP)) {
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(psEthHeader->abyDstAddr[0]),
+		       ETH_ALEN);
+	} else {
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
+	}
 
-            if (pDevice->eOPMode == OP_MODE_AP) {
-                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-            }
-            else {
-                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
-            }
+	if (pDevice->eOPMode == OP_MODE_AP) {
+		memcpy(&(pBuf->Data.abyTA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
+	} else {
+		memcpy(&(pBuf->Data.abyTA[0]),
+		       &(psEthHeader->abySrcAddr[0]),
+		       ETH_ALEN);
+	}
 
         }
         else {
@@ -1125,19 +1150,25 @@ s_vFillRTSHead (
     	    //Get RTS Frame body
             pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4
 
-            if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
-                (pDevice->eOPMode == OP_MODE_AP)) {
-                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-            }
-            else {
-                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-            }
-            if (pDevice->eOPMode == OP_MODE_AP) {
-                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-            }
-            else {
-                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
-            }
+	if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
+	    (pDevice->eOPMode == OP_MODE_AP)) {
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(psEthHeader->abyDstAddr[0]),
+		       ETH_ALEN);
+	} else {
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
+	}
+	if (pDevice->eOPMode == OP_MODE_AP) {
+		memcpy(&(pBuf->Data.abyTA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
+	} else {
+		memcpy(&(pBuf->Data.abyTA[0]),
+		       &(psEthHeader->abySrcAddr[0]),
+		       ETH_ALEN);
+	}
         }
     }
     else if (byPktType == PK_TYPE_11B) {
@@ -1153,20 +1184,26 @@ s_vFillRTSHead (
         //Get RTS Frame body
         pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4
 
-
-        if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
+	if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
             (pDevice->eOPMode == OP_MODE_AP)) {
-            memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(psEthHeader->abyDstAddr[0]),
+		       ETH_ALEN);
         }
         else {
-            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+		memcpy(&(pBuf->Data.abyRA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
         }
 
         if (pDevice->eOPMode == OP_MODE_AP) {
-            memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-        }
-        else {
-            memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+		memcpy(&(pBuf->Data.abyTA[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
+	} else {
+		memcpy(&(pBuf->Data.abyTA[0]),
+		       &(psEthHeader->abySrcAddr[0]),
+		       ETH_ALEN);
         }
     }
 }
@@ -1222,7 +1259,9 @@ s_vFillCTSHead (
             pBuf->Data.wDurationID = pBuf->wDuration_ba;
             pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4
             pBuf->Data.wReserved = 0x0000;
-            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyCurrentNetAddr[0]), U_ETHER_ADDR_LEN);
+	memcpy(&(pBuf->Data.abyRA[0]),
+	       &(pDevice->abyCurrentNetAddr[0]),
+	       ETH_ALEN);
         } else { //if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA)
             PSCTS pBuf = (PSCTS)pvCTS;
             //Get SignalField,ServiceField,Length
@@ -1239,16 +1278,13 @@ s_vFillCTSHead (
             pBuf->Data.wDurationID = pBuf->wDuration_ba;
             pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4
             pBuf->Data.wReserved = 0x0000;
-            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyCurrentNetAddr[0]), U_ETHER_ADDR_LEN);
+	memcpy(&(pBuf->Data.abyRA[0]),
+	       &(pDevice->abyCurrentNetAddr[0]),
+	       ETH_ALEN);
         }
     }
 }
 
-
-
-
-
-
 /*+
  *
  * Description:
@@ -1843,21 +1879,35 @@ s_vGenerateMACHeader (
     }
 
     if (pDevice->eOPMode == OP_MODE_AP) {
-        memcpy(&(pMACHeader->abyAddr1[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-        memcpy(&(pMACHeader->abyAddr2[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-        memcpy(&(pMACHeader->abyAddr3[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+	memcpy(&(pMACHeader->abyAddr1[0]),
+	       &(psEthHeader->abyDstAddr[0]),
+	       ETH_ALEN);
+	memcpy(&(pMACHeader->abyAddr2[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
+	memcpy(&(pMACHeader->abyAddr3[0]),
+	       &(psEthHeader->abySrcAddr[0]),
+	       ETH_ALEN);
         pMACHeader->wFrameCtl |= FC_FROMDS;
-    }
-    else {
-        if (pDevice->eOPMode == OP_MODE_ADHOC) {
-            memcpy(&(pMACHeader->abyAddr1[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-            memcpy(&(pMACHeader->abyAddr2[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
-            memcpy(&(pMACHeader->abyAddr3[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-        }
-        else {
-            memcpy(&(pMACHeader->abyAddr3[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-            memcpy(&(pMACHeader->abyAddr2[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
-            memcpy(&(pMACHeader->abyAddr1[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+    } else {
+	if (pDevice->eOPMode == OP_MODE_ADHOC) {
+		memcpy(&(pMACHeader->abyAddr1[0]),
+		       &(psEthHeader->abyDstAddr[0]),
+		       ETH_ALEN);
+		memcpy(&(pMACHeader->abyAddr2[0]),
+		       &(psEthHeader->abySrcAddr[0]),
+		       ETH_ALEN);
+		memcpy(&(pMACHeader->abyAddr3[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
+	} else {
+		memcpy(&(pMACHeader->abyAddr3[0]),
+		       &(psEthHeader->abyDstAddr[0]),
+		       ETH_ALEN);
+		memcpy(&(pMACHeader->abyAddr2[0]),
+		       &(psEthHeader->abySrcAddr[0]),
+		       ETH_ALEN);
+		memcpy(&(pMACHeader->abyAddr1[0]),
+		       &(pDevice->abyBSSID[0]),
+		       ETH_ALEN);
             pMACHeader->wFrameCtl |= FC_TODS;
         }
     }
@@ -2089,8 +2139,12 @@ CMD_STATUS csMgmt_xmit(
 
     memset((PVOID)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
 
-    memcpy(&(sEthHeader.abyDstAddr[0]), &(pPacket->p80211Header->sA3.abyAddr1[0]), U_ETHER_ADDR_LEN);
-    memcpy(&(sEthHeader.abySrcAddr[0]), &(pPacket->p80211Header->sA3.abyAddr2[0]), U_ETHER_ADDR_LEN);
+    memcpy(&(sEthHeader.abyDstAddr[0]),
+	   &(pPacket->p80211Header->sA3.abyAddr1[0]),
+	   ETH_ALEN);
+    memcpy(&(sEthHeader.abySrcAddr[0]),
+	   &(pPacket->p80211Header->sA3.abyAddr2[0]),
+	   ETH_ALEN);
     //=========================
     //    No Fragmentation
     //=========================
@@ -2521,8 +2575,12 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb) {
         cbHeaderSize = wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(STxDataHead_ab);
     }
     memset((PVOID)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
-    memcpy(&(sEthHeader.abyDstAddr[0]), &(p80211Header->sA3.abyAddr1[0]), U_ETHER_ADDR_LEN);
-    memcpy(&(sEthHeader.abySrcAddr[0]), &(p80211Header->sA3.abyAddr2[0]), U_ETHER_ADDR_LEN);
+    memcpy(&(sEthHeader.abyDstAddr[0]),
+	   &(p80211Header->sA3.abyAddr1[0]),
+	   ETH_ALEN);
+    memcpy(&(sEthHeader.abySrcAddr[0]),
+	   &(p80211Header->sA3.abyAddr2[0]),
+	   ETH_ALEN);
     //=========================
     //    No Fragmentation
     //=========================
diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h
index 6bc22d371c1..133f4752062 100644
--- a/drivers/staging/vt6656/rxtx.h
+++ b/drivers/staging/vt6656/rxtx.h
@@ -43,8 +43,8 @@
 typedef struct tagSRTSDataF {
     WORD    wFrameControl;
     WORD    wDurationID;
-    BYTE    abyRA[U_ETHER_ADDR_LEN];
-    BYTE    abyTA[U_ETHER_ADDR_LEN];
+    BYTE    abyRA[ETH_ALEN];
+    BYTE    abyTA[ETH_ALEN];
 } SRTSDataF, *PSRTSDataF;
 
 //
@@ -53,7 +53,7 @@ typedef struct tagSRTSDataF {
 typedef struct tagSCTSDataF {
     WORD    wFrameControl;
     WORD    wDurationID;
-    BYTE    abyRA[U_ETHER_ADDR_LEN];
+    BYTE    abyRA[ETH_ALEN];
     WORD    wReserved;
 } SCTSDataF, *PSCTSDataF;
 
diff --git a/drivers/staging/vt6656/tether.c b/drivers/staging/vt6656/tether.c
index ab1368a0838..a7c716f174d 100644
--- a/drivers/staging/vt6656/tether.c
+++ b/drivers/staging/vt6656/tether.c
@@ -68,7 +68,7 @@ BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr)
 	BYTE    byHash = 0;
 
 	/* get the least 6-bits from CRC generator */
-	byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, U_ETHER_ADDR_LEN,
+	byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, ETH_ALEN,
 			0xFFFFFFFFL) & 0x3F);
 	/* reverse most bit to least bit */
 	for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) {
diff --git a/drivers/staging/vt6656/tether.h b/drivers/staging/vt6656/tether.h
index 5a3c326436c..af119dd82b2 100644
--- a/drivers/staging/vt6656/tether.h
+++ b/drivers/staging/vt6656/tether.h
@@ -29,17 +29,17 @@
 #ifndef __TETHER_H__
 #define __TETHER_H__
 
+#include <linux/if_ether.h>
 #include "ttype.h"
 
 /*---------------------  Export Definitions -------------------------*/
 //
 // constants
 //
-#define U_ETHER_ADDR_LEN    6           // Ethernet address length
 #define U_TYPE_LEN          2           //
 #define U_CRC_LEN           4           //
-#define U_HEADER_LEN        (U_ETHER_ADDR_LEN * 2 + U_TYPE_LEN)
-#define U_ETHER_ADDR_STR_LEN (U_ETHER_ADDR_LEN * 2 + 1)
+#define U_HEADER_LEN        (ETH_ALEN * 2 + U_TYPE_LEN)
+#define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
                                         // Ethernet address string length
 
 #define MIN_DATA_LEN        46          // min data length
@@ -167,8 +167,8 @@
 // Ethernet packet
 //
 typedef struct tagSEthernetHeader {
-    BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
-    BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
+    BYTE    abyDstAddr[ETH_ALEN];
+    BYTE    abySrcAddr[ETH_ALEN];
     WORD    wType;
 }__attribute__ ((__packed__))
 SEthernetHeader, *PSEthernetHeader;
@@ -178,8 +178,8 @@ SEthernetHeader, *PSEthernetHeader;
 // 802_3 packet
 //
 typedef struct tagS802_3Header {
-    BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
-    BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
+    BYTE    abyDstAddr[ETH_ALEN];
+    BYTE    abySrcAddr[ETH_ALEN];
     WORD    wLen;
 }__attribute__ ((__packed__))
 S802_3Header, *PS802_3Header;
@@ -190,11 +190,11 @@ S802_3Header, *PS802_3Header;
 typedef struct tagS802_11Header {
     WORD    wFrameCtl;
     WORD    wDurationID;
-    BYTE    abyAddr1[U_ETHER_ADDR_LEN];
-    BYTE    abyAddr2[U_ETHER_ADDR_LEN];
-    BYTE    abyAddr3[U_ETHER_ADDR_LEN];
+    BYTE    abyAddr1[ETH_ALEN];
+    BYTE    abyAddr2[ETH_ALEN];
+    BYTE    abyAddr3[ETH_ALEN];
     WORD    wSeqCtl;
-    BYTE    abyAddr4[U_ETHER_ADDR_LEN];
+    BYTE    abyAddr4[ETH_ALEN];
 }__attribute__ ((__packed__))
 S802_11Header, *PS802_11Header;
 
diff --git a/drivers/staging/vt6656/wctl.c b/drivers/staging/vt6656/wctl.c
index 40986da1e4a..956add69422 100644
--- a/drivers/staging/vt6656/wctl.c
+++ b/drivers/staging/vt6656/wctl.c
@@ -91,7 +91,7 @@ BOOL WCTLbIsDuplicate (PSCache pCache, PS802_11Header pMACHeader)
     /* Not fount in cache - insert */
     pCacheEntry = &pCache->asCacheEntry[pCache->uInPtr];
     pCacheEntry->wFmSequence = pMACHeader->wSeqCtl;
-    memcpy(&(pCacheEntry->abyAddr2[0]), &(pMACHeader->abyAddr2[0]), U_ETHER_ADDR_LEN);
+    memcpy(&(pCacheEntry->abyAddr2[0]), &(pMACHeader->abyAddr2[0]), ETH_ALEN);
     pCacheEntry->wFrameCtl = pMACHeader->wFrameCtl;
     ADD_ONE_WITH_WRAP_AROUND(pCache->uInPtr, DUPLICATE_RX_CACHE_LENGTH);
     return FALSE;
@@ -154,7 +154,9 @@ UINT ii;
             pDevice->sRxDFCB[ii].bInUse = TRUE;
             pDevice->sRxDFCB[ii].wSequence = (pMACHeader->wSeqCtl >> 4);
             pDevice->sRxDFCB[ii].wFragNum = (pMACHeader->wSeqCtl & 0x000F);
-            memcpy(&(pDevice->sRxDFCB[ii].abyAddr2[0]), &(pMACHeader->abyAddr2[0]), U_ETHER_ADDR_LEN);
+	    memcpy(&(pDevice->sRxDFCB[ii].abyAddr2[0]),
+		   &(pMACHeader->abyAddr2[0]),
+		   ETH_ALEN);
             return(ii);
         }
     }
diff --git a/drivers/staging/vt6656/wmgr.c b/drivers/staging/vt6656/wmgr.c
index 330aea69d23..9b4ff79912a 100644
--- a/drivers/staging/vt6656/wmgr.c
+++ b/drivers/staging/vt6656/wmgr.c
@@ -3773,13 +3773,17 @@ s_MgrMakeAssocRequest(
             pwPMKID = (PWORD)pbyRSN; // Point to PMKID count
             *pwPMKID = 0;            // Initialize PMKID count
             pbyRSN += 2;             // Point to PMKID list
-            for (ii = 0; ii < pDevice->gsPMKID.BSSIDInfoCount; ii++) {
-                if ( !memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0], pMgmt->abyCurrBSSID, U_ETHER_ADDR_LEN)) {
-                    (*pwPMKID) ++;
-                    memcpy(pbyRSN, pDevice->gsPMKID.BSSIDInfo[ii].PMKID, 16);
-                    pbyRSN += 16;
-                }
-            }
+	for (ii = 0; ii < pDevice->gsPMKID.BSSIDInfoCount; ii++) {
+		if (!memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0],
+			     pMgmt->abyCurrBSSID,
+			     ETH_ALEN)) {
+			(*pwPMKID)++;
+			memcpy(pbyRSN,
+			       pDevice->gsPMKID.BSSIDInfo[ii].PMKID,
+			       16);
+			pbyRSN += 16;
+		}
+	}
             if (*pwPMKID != 0) {
                 sFrame.pRSN->len += (2 + (*pwPMKID)*16);
             }
@@ -4030,10 +4034,14 @@ s_MgrMakeReAssocRequest(
             *pwPMKID = 0;            // Initialize PMKID count
             pbyRSN += 2;             // Point to PMKID list
             for (ii = 0; ii < pDevice->gsPMKID.BSSIDInfoCount; ii++) {
-                if ( !memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0], pMgmt->abyCurrBSSID, U_ETHER_ADDR_LEN)) {
-                    (*pwPMKID) ++;
-                    memcpy(pbyRSN, pDevice->gsPMKID.BSSIDInfo[ii].PMKID, 16);
-                    pbyRSN += 16;
+		if (!memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0],
+			    pMgmt->abyCurrBSSID,
+			    ETH_ALEN)) {
+			(*pwPMKID)++;
+			memcpy(pbyRSN,
+			       pDevice->gsPMKID.BSSIDInfo[ii].PMKID,
+			       16);
+			pbyRSN += 16;
                 }
             }
             if (*pwPMKID != 0) {
@@ -4057,8 +4065,6 @@ s_MgrMakeReAssocRequest(
     return pTxPacket;
 }
 
-
-
 /*+
  *
  * Routine Description:
@@ -4070,7 +4076,6 @@ s_MgrMakeReAssocRequest(
  *
 -*/
 
-
 PSTxMgmtPacket
 s_MgrMakeAssocResponse(
     IN PSDevice pDevice,
@@ -4745,13 +4750,16 @@ bAdd_PMKID_Candidate (
 
     // Update Old Candidate
     for (ii = 0; ii < pDevice->gsPMKIDCandidate.NumCandidates; ii++) {
-        pCandidateList = &pDevice->gsPMKIDCandidate.CandidateList[ii];
-        if ( !memcmp(pCandidateList->BSSID, pbyBSSID, U_ETHER_ADDR_LEN)) {
-            if ((psRSNCapObj->bRSNCapExist == TRUE) && (psRSNCapObj->wRSNCap & BIT0)) {
-                pCandidateList->Flags |= NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
-            } else {
-                pCandidateList->Flags &= ~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED);
-            }
+	pCandidateList = &pDevice->gsPMKIDCandidate.CandidateList[ii];
+	if (!memcmp(pCandidateList->BSSID, pbyBSSID, ETH_ALEN)) {
+		if ((psRSNCapObj->bRSNCapExist == TRUE)
+		    && (psRSNCapObj->wRSNCap & BIT0)) {
+			pCandidateList->Flags |=
+				NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
+		} else {
+			pCandidateList->Flags &=
+				~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED);
+		}
             return TRUE;
         }
     }
@@ -4763,7 +4771,7 @@ bAdd_PMKID_Candidate (
     } else {
         pCandidateList->Flags &= ~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED);
     }
-    memcpy(pCandidateList->BSSID, pbyBSSID, U_ETHER_ADDR_LEN);
+    memcpy(pCandidateList->BSSID, pbyBSSID, ETH_ALEN);
     pDevice->gsPMKIDCandidate.NumCandidates++;
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"NumCandidates:%d\n", (int)pDevice->gsPMKIDCandidate.NumCandidates);
     return TRUE;
diff --git a/drivers/staging/vt6656/wpa2.c b/drivers/staging/vt6656/wpa2.c
index fa3aeedfb27..f8be30df69c 100644
--- a/drivers/staging/vt6656/wpa2.c
+++ b/drivers/staging/vt6656/wpa2.c
@@ -337,20 +337,25 @@ WPA2uSetIEs(
         }
         pRSNIEs->len +=2;
 
-        if ((pMgmt->gsPMKIDCache.BSSIDInfoCount > 0) &&
-            (pMgmt->bRoaming == TRUE) &&
+	if ((pMgmt->gsPMKIDCache.BSSIDInfoCount > 0) &&
+	    (pMgmt->bRoaming == TRUE) &&
             (pMgmt->eAuthenMode == WMAC_AUTH_WPA2)) {
-            // RSN PMKID
-            pwPMKID = (PWORD)(&pRSNIEs->abyRSN[18]);  // Point to PMKID count
-            *pwPMKID = 0;                               // Initialize PMKID count
-            pbyBuffer = &pRSNIEs->abyRSN[20];           // Point to PMKID list
-            for (ii = 0; ii < pMgmt->gsPMKIDCache.BSSIDInfoCount; ii++) {
-                if ( !memcmp(&pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyBSSID[0], pMgmt->abyCurrBSSID, U_ETHER_ADDR_LEN)) {
-                    (*pwPMKID) ++;
-                    memcpy(pbyBuffer, pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyPMKID, 16);
-                    pbyBuffer += 16;
-                }
-            }
+		/* RSN PMKID, pointer to PMKID count */
+		pwPMKID = (PWORD)(&pRSNIEs->abyRSN[18]);
+		*pwPMKID = 0;                     /* Initialize PMKID count */
+		pbyBuffer = &pRSNIEs->abyRSN[20];    /* Point to PMKID list */
+		for (ii = 0; ii < pMgmt->gsPMKIDCache.BSSIDInfoCount; ii++) {
+			if (!memcmp(&pMgmt->
+				    gsPMKIDCache.BSSIDInfo[ii].abyBSSID[0],
+				    pMgmt->abyCurrBSSID,
+				    ETH_ALEN)) {
+				(*pwPMKID)++;
+				memcpy(pbyBuffer,
+			pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyPMKID,
+				       16);
+				pbyBuffer += 16;
+			}
+		}
             if (*pwPMKID != 0) {
                 pRSNIEs->len += (2 + (*pwPMKID)*16);
             } else {
diff --git a/drivers/staging/vt6656/wpactl.c b/drivers/staging/vt6656/wpactl.c
index 4555bc0448b..25b784c26e8 100644
--- a/drivers/staging/vt6656/wpactl.c
+++ b/drivers/staging/vt6656/wpactl.c
@@ -103,7 +103,7 @@ static int wpa_init_wpadev(PSDevice pDevice)
 
     wpadev_priv = netdev_priv(pDevice->wpadev);
     *wpadev_priv = *pDevice;
-	memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, U_ETHER_ADDR_LEN);
+	memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, ETH_ALEN);
          pDevice->wpadev->base_addr = dev->base_addr;
 	pDevice->wpadev->irq = dev->irq;
 	pDevice->wpadev->mem_start = dev->mem_start;

From c30d7973f22ea3f8b3e5d1d7215b3f2ff8f5e934 Mon Sep 17 00:00:00 2001
From: Forest Bond <forest@alittletooquiet.net>
Date: Sat, 17 Apr 2010 11:03:38 -0400
Subject: [PATCH 1052/3638] Staging: vt6656: Rename hostap_set_hostapd,
 hostap_iotctl.

The functions hostap_set_hostapd, hostap_iotctl clashed with functions of the
same name with CONFIG_HOSTAP=y and/or CONFIG_VT6655=y.

Signed-off-by: Forest Bond <forest@alittletooquiet.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/hostap.c   | 8 ++++----
 drivers/staging/vt6656/hostap.h   | 4 ++--
 drivers/staging/vt6656/ioctl.c    | 4 ++--
 drivers/staging/vt6656/main_usb.c | 2 +-
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
index 1078d616c49..ca007c30e0a 100644
--- a/drivers/staging/vt6656/hostap.c
+++ b/drivers/staging/vt6656/hostap.c
@@ -178,7 +178,7 @@ static int hostap_disable_hostapd(PSDevice pDevice, int rtnl_locked)
  *
  */
 
-int hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
+int vt6656_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
 {
 	if (val < 0 || val > 1)
 		return -EINVAL;
@@ -744,7 +744,7 @@ static int hostap_get_encryption(PSDevice pDevice,
 
 /*
  * Description:
- *      hostap_ioctl main function supported for hostap deamon.
+ *      vt6656_hostap_ioctl main function supported for hostap deamon.
  *
  * Parameters:
  *  In:
@@ -756,7 +756,7 @@ static int hostap_get_encryption(PSDevice pDevice,
  *
  */
 
-int hostap_ioctl(PSDevice pDevice, struct iw_point *p)
+int vt6656_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
 {
 	struct viawget_hostapd_param *param;
 	int ret = 0;
@@ -844,7 +844,7 @@ int hostap_ioctl(PSDevice pDevice, struct iw_point *p)
 	    return -EOPNOTSUPP;
 
 	default:
-	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_ioctl: unknown cmd=%d\n",
+	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6656_hostap_ioctl: unknown cmd=%d\n",
 		       (int)param->cmd);
 		return -EOPNOTSUPP;
 		break;
diff --git a/drivers/staging/vt6656/hostap.h b/drivers/staging/vt6656/hostap.h
index 8fd667b542b..9e366dca7a6 100644
--- a/drivers/staging/vt6656/hostap.h
+++ b/drivers/staging/vt6656/hostap.h
@@ -61,8 +61,8 @@
 #define ARPHRD_IEEE80211 801
 #endif
 
-int hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked);
-int hostap_ioctl(PSDevice pDevice, struct iw_point *p);
+int vt6656_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked);
+int vt6656_hostap_ioctl(PSDevice pDevice, struct iw_point *p);
 
 #endif // __HOSTAP_H__
 
diff --git a/drivers/staging/vt6656/ioctl.c b/drivers/staging/vt6656/ioctl.c
index d7a78f2f9f0..08d5429db26 100644
--- a/drivers/staging/vt6656/ioctl.c
+++ b/drivers/staging/vt6656/ioctl.c
@@ -412,7 +412,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 			break;
 		};
 		if (sValue.dwValue == 1) {
-            if (hostap_set_hostapd(pDevice, 1, 1) == 0){
+            if (vt6656_hostap_set_hostapd(pDevice, 1, 1) == 0){
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Enable HOSTAP\n");
             }
             else {
@@ -421,7 +421,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 			}
         }
         else {
-            hostap_set_hostapd(pDevice, 0, 1);
+            vt6656_hostap_set_hostapd(pDevice, 0, 1);
             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Disable HOSTAP\n");
         }
 
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index c0bad4f43ee..ebd7a1ebce8 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -2069,7 +2069,7 @@ static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) {
 		    rc = 0;
 		}
 
-		rc = hostap_ioctl(pDevice, &wrq->u.data);
+		rc = vt6656_hostap_ioctl(pDevice, &wrq->u.data);
         break;
 
     case IOCTL_CMD_WPA:

From ecf739e695d5aa404326100c0ba93c211e87a0fe Mon Sep 17 00:00:00 2001
From: Forest Bond <forest@alittletooquiet.net>
Date: Sat, 17 Apr 2010 11:03:47 -0400
Subject: [PATCH 1053/3638] Staging: vt6655: Rename hostap_set_hostapd,
 hostap_iotctl.

The functions hostap_set_hostapd, hostap_iotctl clashed with functions of the
same name with CONFIG_HOSTAP=y and/or CONFIG_VT6656=y.

Signed-off-by: Forest Bond <forest@alittletooquiet.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/device_main.c | 4 ++--
 drivers/staging/vt6655/hostap.c      | 8 ++++----
 drivers/staging/vt6655/hostap.h      | 4 ++--
 drivers/staging/vt6655/ioctl.c       | 4 ++--
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 50f02ee0b11..f1d70e133d1 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1243,7 +1243,7 @@ device_release_WPADEV(pDevice);
     }
 #ifdef HOSTAP
     if (dev)
-        hostap_set_hostapd(pDevice, 0, 0);
+        vt6655_hostap_set_hostapd(pDevice, 0, 0);
 #endif
     if (dev)
         unregister_netdev(dev);
@@ -3524,7 +3524,7 @@ static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) {
     case IOCTL_CMD_HOSTAPD:
 
 
-	rc = hostap_ioctl(pDevice, &wrq->u.data);
+	rc = vt6655_hostap_ioctl(pDevice, &wrq->u.data);
         break;
 
     case IOCTL_CMD_WPA:
diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
index 58abf44c76a..9e07a40480f 100644
--- a/drivers/staging/vt6655/hostap.c
+++ b/drivers/staging/vt6655/hostap.c
@@ -183,7 +183,7 @@ KeyvInitTable(&pDevice->sKey,pDevice->PortOffset);
  *
  */
 
-int hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
+int vt6655_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
 {
 	if (val < 0 || val > 1)
 		return -EINVAL;
@@ -746,7 +746,7 @@ static int hostap_get_encryption(PSDevice pDevice,
 
 /*
  * Description:
- *      hostap_ioctl main function supported for hostap deamon.
+ *      vt6655_hostap_ioctl main function supported for hostap deamon.
  *
  * Parameters:
  *  In:
@@ -758,7 +758,7 @@ static int hostap_get_encryption(PSDevice pDevice,
  *
  */
 
-int hostap_ioctl(PSDevice pDevice, struct iw_point *p)
+int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
 {
 	struct viawget_hostapd_param *param;
 	int ret = 0;
@@ -846,7 +846,7 @@ int hostap_ioctl(PSDevice pDevice, struct iw_point *p)
 	    return -EOPNOTSUPP;
 
 	default:
-	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_ioctl: unknown cmd=%d\n",
+	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6655_hostap_ioctl: unknown cmd=%d\n",
 		       (int)param->cmd);
 		return -EOPNOTSUPP;
 		break;
diff --git a/drivers/staging/vt6655/hostap.h b/drivers/staging/vt6655/hostap.h
index 8fd667b542b..55db55524d9 100644
--- a/drivers/staging/vt6655/hostap.h
+++ b/drivers/staging/vt6655/hostap.h
@@ -61,8 +61,8 @@
 #define ARPHRD_IEEE80211 801
 #endif
 
-int hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked);
-int hostap_ioctl(PSDevice pDevice, struct iw_point *p);
+int vt6655_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked);
+int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p);
 
 #endif // __HOSTAP_H__
 
diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c
index 38577ca841e..37928e84401 100644
--- a/drivers/staging/vt6655/ioctl.c
+++ b/drivers/staging/vt6655/ioctl.c
@@ -429,7 +429,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 			break;
 		};
 		if (sValue.dwValue == 1) {
-            if (hostap_set_hostapd(pDevice, 1, 1) == 0){
+            if (vt6655_hostap_set_hostapd(pDevice, 1, 1) == 0){
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Enable HOSTAP\n");
             }
             else {
@@ -438,7 +438,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 			}
         }
         else {
-            hostap_set_hostapd(pDevice, 0, 1);
+            vt6655_hostap_set_hostapd(pDevice, 0, 1);
             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Disable HOSTAP\n");
         }
 

From 592ccfebb3d7ae6d2fa367b97f080790befa3c6c Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Sat, 17 Apr 2010 12:07:42 -0300
Subject: [PATCH 1054/3638] Staging: vt6656: Removed IN definition

Code cleanup, removed empty IN definition used to denote input parameters.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/80211mgr.c |  44 +--
 drivers/staging/vt6656/80211mgr.h |  44 +--
 drivers/staging/vt6656/baseband.c |  24 +-
 drivers/staging/vt6656/baseband.h |  24 +-
 drivers/staging/vt6656/bssdb.c    | 136 ++++-----
 drivers/staging/vt6656/bssdb.h    | 124 ++++----
 drivers/staging/vt6656/card.c     |  12 +-
 drivers/staging/vt6656/card.h     |   8 +-
 drivers/staging/vt6656/channel.c  |   2 +-
 drivers/staging/vt6656/channel.h  |   2 +-
 drivers/staging/vt6656/control.h  |  26 +-
 drivers/staging/vt6656/datarate.c |  26 +-
 drivers/staging/vt6656/datarate.h |  22 +-
 drivers/staging/vt6656/dpc.c      | 115 ++++---
 drivers/staging/vt6656/dpc.h      |  10 +-
 drivers/staging/vt6656/firmware.c |   6 +-
 drivers/staging/vt6656/firmware.h |   6 +-
 drivers/staging/vt6656/int.c      |   2 +-
 drivers/staging/vt6656/int.h      |   2 +-
 drivers/staging/vt6656/ioctl.h    |   8 +-
 drivers/staging/vt6656/key.c      |  14 +-
 drivers/staging/vt6656/key.h      |  14 +-
 drivers/staging/vt6656/power.c    |  18 +-
 drivers/staging/vt6656/power.h    |  22 +-
 drivers/staging/vt6656/rf.c       |  24 +-
 drivers/staging/vt6656/rf.h       |  24 +-
 drivers/staging/vt6656/rxtx.c     | 394 ++++++++++++------------
 drivers/staging/vt6656/rxtx.h     |  22 +-
 drivers/staging/vt6656/ttype.h    |   4 -
 drivers/staging/vt6656/usbpipe.c  |  66 ++--
 drivers/staging/vt6656/usbpipe.h  |  46 +--
 drivers/staging/vt6656/wcmd.c     |  48 +--
 drivers/staging/vt6656/wcmd.h     |  12 +-
 drivers/staging/vt6656/wmgr.c     | 484 +++++++++++++++---------------
 drivers/staging/vt6656/wmgr.h     |  54 ++--
 drivers/staging/vt6656/wpa.c      |  10 +-
 drivers/staging/vt6656/wpa.h      |  10 +-
 drivers/staging/vt6656/wpa2.c     |   8 +-
 drivers/staging/vt6656/wpa2.h     |   8 +-
 39 files changed, 960 insertions(+), 965 deletions(-)

diff --git a/drivers/staging/vt6656/80211mgr.c b/drivers/staging/vt6656/80211mgr.c
index 8fa1a8e5a21..b9dc7b1d938 100644
--- a/drivers/staging/vt6656/80211mgr.c
+++ b/drivers/staging/vt6656/80211mgr.c
@@ -91,7 +91,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
 
 VOID
 vMgrEncodeBeacon(
-    IN  PWLAN_FR_BEACON  pFrame
+      PWLAN_FR_BEACON  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -123,7 +123,7 @@ vMgrEncodeBeacon(
 
 VOID
 vMgrDecodeBeacon(
-    IN  PWLAN_FR_BEACON  pFrame
+      PWLAN_FR_BEACON  pFrame
     )
 {
     PWLAN_IE        pItem;
@@ -244,7 +244,7 @@ vMgrDecodeBeacon(
 
 VOID
 vMgrEncodeIBSSATIM(
-    IN  PWLAN_FR_IBSSATIM   pFrame
+      PWLAN_FR_IBSSATIM   pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -267,7 +267,7 @@ vMgrEncodeIBSSATIM(
 
 VOID
 vMgrDecodeIBSSATIM(
-    IN  PWLAN_FR_IBSSATIM   pFrame
+      PWLAN_FR_IBSSATIM   pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -289,7 +289,7 @@ vMgrDecodeIBSSATIM(
 
 VOID
 vMgrEncodeDisassociation(
-    IN  PWLAN_FR_DISASSOC  pFrame
+      PWLAN_FR_DISASSOC  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -317,7 +317,7 @@ vMgrEncodeDisassociation(
 
 VOID
 vMgrDecodeDisassociation(
-    IN  PWLAN_FR_DISASSOC  pFrame
+      PWLAN_FR_DISASSOC  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -343,7 +343,7 @@ vMgrDecodeDisassociation(
 
 VOID
 vMgrEncodeAssocRequest(
-    IN  PWLAN_FR_ASSOCREQ  pFrame
+      PWLAN_FR_ASSOCREQ  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -370,7 +370,7 @@ vMgrEncodeAssocRequest(
 
 VOID
 vMgrDecodeAssocRequest(
-    IN  PWLAN_FR_ASSOCREQ  pFrame
+      PWLAN_FR_ASSOCREQ  pFrame
     )
 {
     PWLAN_IE   pItem;
@@ -436,7 +436,7 @@ vMgrDecodeAssocRequest(
 
 VOID
 vMgrEncodeAssocResponse(
-    IN  PWLAN_FR_ASSOCRESP  pFrame
+      PWLAN_FR_ASSOCRESP  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -468,7 +468,7 @@ vMgrEncodeAssocResponse(
 
 VOID
 vMgrDecodeAssocResponse(
-    IN PWLAN_FR_ASSOCRESP  pFrame
+     PWLAN_FR_ASSOCRESP  pFrame
      )
 {
     PWLAN_IE   pItem;
@@ -514,7 +514,7 @@ vMgrDecodeAssocResponse(
 
 VOID
 vMgrEncodeReassocRequest(
-    IN  PWLAN_FR_REASSOCREQ  pFrame
+      PWLAN_FR_REASSOCREQ  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -546,7 +546,7 @@ vMgrEncodeReassocRequest(
 
 VOID
 vMgrDecodeReassocRequest(
-    IN  PWLAN_FR_REASSOCREQ  pFrame
+      PWLAN_FR_REASSOCREQ  pFrame
      )
 {
     PWLAN_IE   pItem;
@@ -618,7 +618,7 @@ vMgrDecodeReassocRequest(
 
 VOID
 vMgrEncodeProbeRequest(
-    IN PWLAN_FR_PROBEREQ  pFrame
+     PWLAN_FR_PROBEREQ  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -639,7 +639,7 @@ vMgrEncodeProbeRequest(
 
 VOID
 vMgrDecodeProbeRequest(
-    IN PWLAN_FR_PROBEREQ  pFrame
+     PWLAN_FR_PROBEREQ  pFrame
      )
 {
     PWLAN_IE   pItem;
@@ -692,7 +692,7 @@ vMgrDecodeProbeRequest(
 
 VOID
 vMgrEncodeProbeResponse(
-    IN PWLAN_FR_PROBERESP  pFrame
+     PWLAN_FR_PROBERESP  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -726,7 +726,7 @@ vMgrEncodeProbeResponse(
 
 VOID
 vMgrDecodeProbeResponse(
-    IN PWLAN_FR_PROBERESP  pFrame
+     PWLAN_FR_PROBERESP  pFrame
     )
 {
     PWLAN_IE    pItem;
@@ -840,7 +840,7 @@ vMgrDecodeProbeResponse(
 
 VOID
 vMgrEncodeAuthen(
-    IN  PWLAN_FR_AUTHEN  pFrame
+      PWLAN_FR_AUTHEN  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -871,7 +871,7 @@ vMgrEncodeAuthen(
 
 VOID
 vMgrDecodeAuthen(
-    IN  PWLAN_FR_AUTHEN  pFrame
+      PWLAN_FR_AUTHEN  pFrame
     )
 {
     PWLAN_IE    pItem;
@@ -911,7 +911,7 @@ vMgrDecodeAuthen(
 
 VOID
 vMgrEncodeDeauthen(
-    IN  PWLAN_FR_DEAUTHEN  pFrame
+      PWLAN_FR_DEAUTHEN  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -938,7 +938,7 @@ vMgrEncodeDeauthen(
 
 VOID
 vMgrDecodeDeauthen(
-    IN  PWLAN_FR_DEAUTHEN  pFrame
+      PWLAN_FR_DEAUTHEN  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -964,7 +964,7 @@ vMgrDecodeDeauthen(
 
 VOID
 vMgrEncodeReassocResponse(
-    IN  PWLAN_FR_REASSOCRESP  pFrame
+      PWLAN_FR_REASSOCRESP  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -997,7 +997,7 @@ vMgrEncodeReassocResponse(
 
 VOID
 vMgrDecodeReassocResponse(
-    IN  PWLAN_FR_REASSOCRESP  pFrame
+      PWLAN_FR_REASSOCRESP  pFrame
      )
 {
     PWLAN_IE   pItem;
diff --git a/drivers/staging/vt6656/80211mgr.h b/drivers/staging/vt6656/80211mgr.h
index a4ea8249216..f7160cdd164 100644
--- a/drivers/staging/vt6656/80211mgr.h
+++ b/drivers/staging/vt6656/80211mgr.h
@@ -750,112 +750,112 @@ typedef struct tagWLAN_FR_DEAUTHEN {
 /*---------------------  Export Functions  --------------------------*/
 VOID
 vMgrEncodeBeacon(
-    IN  PWLAN_FR_BEACON  pFrame
+      PWLAN_FR_BEACON  pFrame
      );
 
 VOID
 vMgrDecodeBeacon(
-    IN  PWLAN_FR_BEACON  pFrame
+      PWLAN_FR_BEACON  pFrame
     );
 
 VOID
 vMgrEncodeIBSSATIM(
-    IN  PWLAN_FR_IBSSATIM   pFrame
+      PWLAN_FR_IBSSATIM   pFrame
     );
 
 VOID
 vMgrDecodeIBSSATIM(
-    IN  PWLAN_FR_IBSSATIM   pFrame
+      PWLAN_FR_IBSSATIM   pFrame
     );
 
 VOID
 vMgrEncodeDisassociation(
-    IN  PWLAN_FR_DISASSOC  pFrame
+      PWLAN_FR_DISASSOC  pFrame
     );
 
 VOID
 vMgrDecodeDisassociation(
-    IN  PWLAN_FR_DISASSOC  pFrame
+      PWLAN_FR_DISASSOC  pFrame
     );
 
 VOID
 vMgrEncodeAssocRequest(
-    IN  PWLAN_FR_ASSOCREQ  pFrame
+      PWLAN_FR_ASSOCREQ  pFrame
     );
 
 VOID
 vMgrDecodeAssocRequest(
-    IN  PWLAN_FR_ASSOCREQ  pFrame
+      PWLAN_FR_ASSOCREQ  pFrame
     );
 
 VOID
 vMgrEncodeAssocResponse(
-    IN  PWLAN_FR_ASSOCRESP  pFrame
+      PWLAN_FR_ASSOCRESP  pFrame
     );
 
 VOID
 vMgrDecodeAssocResponse(
-    IN PWLAN_FR_ASSOCRESP  pFrame
+     PWLAN_FR_ASSOCRESP  pFrame
     );
 
 VOID
 vMgrEncodeReassocRequest(
-    IN  PWLAN_FR_REASSOCREQ  pFrame
+      PWLAN_FR_REASSOCREQ  pFrame
     );
 
 VOID
 vMgrDecodeReassocRequest(
-    IN  PWLAN_FR_REASSOCREQ  pFrame
+      PWLAN_FR_REASSOCREQ  pFrame
     );
 
 VOID
 vMgrEncodeProbeRequest(
-    IN PWLAN_FR_PROBEREQ  pFrame
+     PWLAN_FR_PROBEREQ  pFrame
     );
 
 VOID
 vMgrDecodeProbeRequest(
-    IN PWLAN_FR_PROBEREQ  pFrame
+     PWLAN_FR_PROBEREQ  pFrame
     );
 
 VOID
 vMgrEncodeProbeResponse(
-    IN PWLAN_FR_PROBERESP  pFrame
+     PWLAN_FR_PROBERESP  pFrame
     );
 
 VOID
 vMgrDecodeProbeResponse(
-    IN PWLAN_FR_PROBERESP  pFrame
+     PWLAN_FR_PROBERESP  pFrame
     );
 
 VOID
 vMgrEncodeAuthen(
-    IN  PWLAN_FR_AUTHEN  pFrame
+      PWLAN_FR_AUTHEN  pFrame
     );
 
 VOID
 vMgrDecodeAuthen(
-    IN  PWLAN_FR_AUTHEN  pFrame
+      PWLAN_FR_AUTHEN  pFrame
     );
 
 VOID
 vMgrEncodeDeauthen(
-    IN  PWLAN_FR_DEAUTHEN  pFrame
+      PWLAN_FR_DEAUTHEN  pFrame
     );
 
 VOID
 vMgrDecodeDeauthen(
-    IN  PWLAN_FR_DEAUTHEN  pFrame
+      PWLAN_FR_DEAUTHEN  pFrame
     );
 
 VOID
 vMgrEncodeReassocResponse(
-    IN  PWLAN_FR_REASSOCRESP  pFrame
+      PWLAN_FR_REASSOCRESP  pFrame
     );
 
 VOID
 vMgrDecodeReassocResponse(
-    IN  PWLAN_FR_REASSOCRESP  pFrame
+      PWLAN_FR_REASSOCRESP  pFrame
     );
 
 #endif// __80211MGR_H__
diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c
index 7dc01dbfc6f..9063249efd5 100644
--- a/drivers/staging/vt6656/baseband.c
+++ b/drivers/staging/vt6656/baseband.c
@@ -691,10 +691,10 @@ s_vClearSQ3Value(PSDevice pDevice);
  */
 UINT
 BBuGetFrameTime (
-    IN BYTE byPreambleType,
-    IN BYTE byPktType,
-    IN UINT cbFrameLength,
-    IN WORD wRate
+     BYTE byPreambleType,
+     BYTE byPktType,
+     UINT cbFrameLength,
+     WORD wRate
     )
 {
     UINT uFrameTime;
@@ -758,10 +758,10 @@ BBuGetFrameTime (
  */
 VOID
 BBvCaculateParameter (
-    IN  PSDevice pDevice,
-    IN  UINT cbFrameLength,
-    IN  WORD wRate,
-    IN  BYTE byPacketType,
+      PSDevice pDevice,
+      UINT cbFrameLength,
+      WORD wRate,
+      BYTE byPacketType,
     OUT PWORD pwPhyLen,
     OUT PBYTE pbyPhySrv,
     OUT PBYTE pbyPhySgn
@@ -1578,7 +1578,7 @@ BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
 
 VOID
 TimerSQ3CallBack (
-    IN  HANDLE      hDeviceContext
+      HANDLE      hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1620,7 +1620,7 @@ TimerSQ3CallBack (
 
 VOID
 TimerSQ3Tmax3CallBack (
-    IN  HANDLE      hDeviceContext
+      HANDLE      hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1652,8 +1652,8 @@ TimerSQ3Tmax3CallBack (
 
 VOID
 BBvUpdatePreEDThreshold(
-    IN  PSDevice    pDevice,
-    IN  BOOL        bScanning)
+      PSDevice    pDevice,
+      BOOL        bScanning)
 {
 
 
diff --git a/drivers/staging/vt6656/baseband.h b/drivers/staging/vt6656/baseband.h
index e991a7e68d4..10eea90279f 100644
--- a/drivers/staging/vt6656/baseband.h
+++ b/drivers/staging/vt6656/baseband.h
@@ -98,18 +98,18 @@
 
 UINT
 BBuGetFrameTime(
-    IN BYTE byPreambleType,
-    IN BYTE byFreqType,
-    IN UINT cbFrameLength,
-    IN WORD wRate
+     BYTE byPreambleType,
+     BYTE byFreqType,
+     UINT cbFrameLength,
+     WORD wRate
     );
 
 VOID
 BBvCaculateParameter (
-    IN  PSDevice pDevice,
-    IN  UINT cbFrameLength,
-    IN  WORD wRate,
-    IN  BYTE byPacketType,
+      PSDevice pDevice,
+      UINT cbFrameLength,
+      WORD wRate,
+      BYTE byPacketType,
     OUT PWORD pwPhyLen,
     OUT PBYTE pbyPhySrv,
     OUT PBYTE pbyPhySgn
@@ -119,12 +119,12 @@ BBvCaculateParameter (
 
 VOID
 TimerSQ3CallBack (
-    IN  HANDLE      hDeviceContext
+      HANDLE      hDeviceContext
     );
 
 VOID
 TimerSQ3Tmax3CallBack (
-    IN  HANDLE      hDeviceContext
+      HANDLE      hDeviceContext
     );
 
 VOID BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3);
@@ -139,8 +139,8 @@ BOOL BBbVT3184Init (PSDevice pDevice);
 VOID BBvSetDeepSleep (PSDevice pDevice);
 VOID BBvExitDeepSleep (PSDevice pDevice);
 VOID BBvUpdatePreEDThreshold(
-     IN  PSDevice    pDevice,
-     IN  BOOL        bScanning
+       PSDevice    pDevice,
+       BOOL        bScanning
      );
 
 #endif // __BASEBAND_H__
diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c
index 6b1678bfd61..fa1ca790205 100644
--- a/drivers/staging/vt6656/bssdb.c
+++ b/drivers/staging/vt6656/bssdb.c
@@ -92,16 +92,16 @@ const WORD             awHWRetry1[5][5] = {
 /*---------------------  Static Functions  --------------------------*/
 
 VOID s_vCheckSensitivity(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 VOID s_vCheckPreEDThreshold(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 #ifdef Calcu_LinkQual
 VOID s_uCalculateLinkQual(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 #endif
 /*---------------------  Export Variables  --------------------------*/
@@ -125,10 +125,10 @@ VOID s_uCalculateLinkQual(
 
 PKnownBSS
 BSSpSearchBSSList(
-    IN HANDLE hDeviceContext,
-    IN PBYTE pbyDesireBSSID,
-    IN PBYTE pbyDesireSSID,
-    IN CARD_PHY_TYPE  ePhyType
+     HANDLE hDeviceContext,
+     PBYTE pbyDesireBSSID,
+     PBYTE pbyDesireSSID,
+     CARD_PHY_TYPE  ePhyType
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -298,8 +298,8 @@ pDevice->bSameBSSMaxNum = jj;
 
 VOID
 BSSvClearBSSList(
-    IN HANDLE hDeviceContext,
-    IN BOOL bKeepCurrBSSID
+     HANDLE hDeviceContext,
+     BOOL bKeepCurrBSSID
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -344,9 +344,9 @@ BSSvClearBSSList(
 -*/
 PKnownBSS
 BSSpAddrIsInBSSList(
-    IN HANDLE hDeviceContext,
-    IN PBYTE abyBSSID,
-    IN PWLAN_IE_SSID pSSID
+     HANDLE hDeviceContext,
+     PBYTE abyBSSID,
+     PWLAN_IE_SSID pSSID
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -385,23 +385,23 @@ BSSpAddrIsInBSSList(
 
 BOOL
 BSSbInsertToBSSList (
-    IN HANDLE hDeviceContext,
-    IN PBYTE abyBSSIDAddr,
-    IN QWORD qwTimestamp,
-    IN WORD wBeaconInterval,
-    IN WORD wCapInfo,
-    IN BYTE byCurrChannel,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates,
-    IN PERPObject psERP,
-    IN PWLAN_IE_RSN pRSN,
-    IN PWLAN_IE_RSN_EXT pRSNWPA,
-    IN PWLAN_IE_COUNTRY pIE_Country,
-    IN PWLAN_IE_QUIET pIE_Quiet,
-    IN UINT uIELength,
-    IN PBYTE pbyIEs,
-    IN HANDLE pRxPacketContext
+     HANDLE hDeviceContext,
+     PBYTE abyBSSIDAddr,
+     QWORD qwTimestamp,
+     WORD wBeaconInterval,
+     WORD wCapInfo,
+     BYTE byCurrChannel,
+     PWLAN_IE_SSID pSSID,
+     PWLAN_IE_SUPP_RATES pSuppRates,
+     PWLAN_IE_SUPP_RATES pExtSuppRates,
+     PERPObject psERP,
+     PWLAN_IE_RSN pRSN,
+     PWLAN_IE_RSN_EXT pRSNWPA,
+     PWLAN_IE_COUNTRY pIE_Country,
+     PWLAN_IE_QUIET pIE_Quiet,
+     UINT uIELength,
+     PBYTE pbyIEs,
+     HANDLE pRxPacketContext
     )
 {
 
@@ -604,24 +604,24 @@ BSSbInsertToBSSList (
 
 BOOL
 BSSbUpdateToBSSList (
-    IN HANDLE hDeviceContext,
-    IN QWORD qwTimestamp,
-    IN WORD wBeaconInterval,
-    IN WORD wCapInfo,
-    IN BYTE byCurrChannel,
-    IN BOOL bChannelHit,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates,
-    IN PERPObject psERP,
-    IN PWLAN_IE_RSN pRSN,
-    IN PWLAN_IE_RSN_EXT pRSNWPA,
-    IN PWLAN_IE_COUNTRY pIE_Country,
-    IN PWLAN_IE_QUIET pIE_Quiet,
-    IN PKnownBSS pBSSList,
-    IN UINT uIELength,
-    IN PBYTE pbyIEs,
-    IN HANDLE pRxPacketContext
+     HANDLE hDeviceContext,
+     QWORD qwTimestamp,
+     WORD wBeaconInterval,
+     WORD wCapInfo,
+     BYTE byCurrChannel,
+     BOOL bChannelHit,
+     PWLAN_IE_SSID pSSID,
+     PWLAN_IE_SUPP_RATES pSuppRates,
+     PWLAN_IE_SUPP_RATES pExtSuppRates,
+     PERPObject psERP,
+     PWLAN_IE_RSN pRSN,
+     PWLAN_IE_RSN_EXT pRSNWPA,
+     PWLAN_IE_COUNTRY pIE_Country,
+     PWLAN_IE_QUIET pIE_Quiet,
+     PKnownBSS pBSSList,
+     UINT uIELength,
+     PBYTE pbyIEs,
+     HANDLE pRxPacketContext
     )
 {
     int             ii, jj;
@@ -770,8 +770,8 @@ BSSbUpdateToBSSList (
 
 BOOL
 BSSbIsSTAInNodeDB(
-    IN HANDLE hDeviceContext,
-    IN PBYTE abyDstAddr,
+     HANDLE hDeviceContext,
+     PBYTE abyDstAddr,
     OUT PUINT puNodeIndex
     )
 {
@@ -806,7 +806,7 @@ BSSbIsSTAInNodeDB(
 -*/
 VOID
 BSSvCreateOneNode(
-    IN HANDLE hDeviceContext,
+     HANDLE hDeviceContext,
     OUT PUINT puNodeIndex
     )
 {
@@ -871,8 +871,8 @@ BSSvCreateOneNode(
 -*/
 VOID
 BSSvRemoveOneNode(
-    IN HANDLE hDeviceContext,
-    IN UINT uNodeIndex
+     HANDLE hDeviceContext,
+     UINT uNodeIndex
     )
 {
 
@@ -904,10 +904,10 @@ BSSvRemoveOneNode(
 
 VOID
 BSSvUpdateAPNode(
-    IN HANDLE hDeviceContext,
-    IN PWORD pwCapInfo,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates
+     HANDLE hDeviceContext,
+     PWORD pwCapInfo,
+     PWLAN_IE_SUPP_RATES pSuppRates,
+     PWLAN_IE_SUPP_RATES pExtSuppRates
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -964,7 +964,7 @@ BSSvUpdateAPNode(
 
 VOID
 BSSvAddMulticastNode(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -1011,7 +1011,7 @@ BSSvAddMulticastNode(
 
 VOID
 BSSvSecondCallBack(
-    IN  HANDLE hDeviceContext
+      HANDLE hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1397,10 +1397,10 @@ else {
 
 VOID
 BSSvUpdateNodeTxCounter(
-    IN HANDLE      hDeviceContext,
-    IN PSStatCounter    pStatistic,
-    IN BYTE             byTSR,
-    IN BYTE             byPktNO
+     HANDLE      hDeviceContext,
+     PSStatCounter    pStatistic,
+     BYTE             byTSR,
+     BYTE             byPktNO
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1566,8 +1566,8 @@ BSSvUpdateNodeTxCounter(
 
 VOID
 BSSvClearNodeDBTable(
-    IN HANDLE hDeviceContext,
-    IN UINT uStartIndex
+     HANDLE hDeviceContext,
+     UINT uStartIndex
     )
 
 {
@@ -1594,7 +1594,7 @@ BSSvClearNodeDBTable(
 
 
 VOID s_vCheckSensitivity(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1638,7 +1638,7 @@ VOID s_vCheckSensitivity(
 
 #ifdef Calcu_LinkQual
 VOID s_uCalculateLinkQual(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
    PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1687,7 +1687,7 @@ else
 
 VOID
 BSSvClearAnyBSSJoinRecord (
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1701,7 +1701,7 @@ BSSvClearAnyBSSJoinRecord (
 }
 
 VOID s_vCheckPreEDThreshold(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index f365b6b8bf6..eec6cea8607 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -233,127 +233,127 @@ typedef struct tagKnownNodeDB {
 
 PKnownBSS
 BSSpSearchBSSList(
-    IN HANDLE hDeviceContext,
-    IN PBYTE pbyDesireBSSID,
-    IN PBYTE pbyDesireSSID,
-    IN CARD_PHY_TYPE ePhyType
+     HANDLE hDeviceContext,
+     PBYTE pbyDesireBSSID,
+     PBYTE pbyDesireSSID,
+     CARD_PHY_TYPE ePhyType
     );
 
 PKnownBSS
 BSSpAddrIsInBSSList(
-    IN HANDLE hDeviceContext,
-    IN PBYTE abyBSSID,
-    IN PWLAN_IE_SSID pSSID
+     HANDLE hDeviceContext,
+     PBYTE abyBSSID,
+     PWLAN_IE_SSID pSSID
     );
 
 VOID
 BSSvClearBSSList(
-    IN HANDLE hDeviceContext,
-    IN BOOL bKeepCurrBSSID
+     HANDLE hDeviceContext,
+     BOOL bKeepCurrBSSID
     );
 
 BOOL
 BSSbInsertToBSSList(
-    IN HANDLE hDeviceContext,
-    IN PBYTE abyBSSIDAddr,
-    IN QWORD qwTimestamp,
-    IN WORD wBeaconInterval,
-    IN WORD wCapInfo,
-    IN BYTE byCurrChannel,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates,
-    IN PERPObject psERP,
-    IN PWLAN_IE_RSN pRSN,
-    IN PWLAN_IE_RSN_EXT pRSNWPA,
-    IN PWLAN_IE_COUNTRY pIE_Country,
-    IN PWLAN_IE_QUIET pIE_Quiet,
-    IN UINT uIELength,
-    IN PBYTE pbyIEs,
-    IN HANDLE pRxPacketContext
+     HANDLE hDeviceContext,
+     PBYTE abyBSSIDAddr,
+     QWORD qwTimestamp,
+     WORD wBeaconInterval,
+     WORD wCapInfo,
+     BYTE byCurrChannel,
+     PWLAN_IE_SSID pSSID,
+     PWLAN_IE_SUPP_RATES pSuppRates,
+     PWLAN_IE_SUPP_RATES pExtSuppRates,
+     PERPObject psERP,
+     PWLAN_IE_RSN pRSN,
+     PWLAN_IE_RSN_EXT pRSNWPA,
+     PWLAN_IE_COUNTRY pIE_Country,
+     PWLAN_IE_QUIET pIE_Quiet,
+     UINT uIELength,
+     PBYTE pbyIEs,
+     HANDLE pRxPacketContext
     );
 
 
 BOOL
 BSSbUpdateToBSSList(
-    IN HANDLE hDeviceContext,
-    IN QWORD qwTimestamp,
-    IN WORD wBeaconInterval,
-    IN WORD wCapInfo,
-    IN BYTE byCurrChannel,
-    IN BOOL bChannelHit,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates,
-    IN PERPObject psERP,
-    IN PWLAN_IE_RSN pRSN,
-    IN PWLAN_IE_RSN_EXT pRSNWPA,
-    IN PWLAN_IE_COUNTRY pIE_Country,
-    IN PWLAN_IE_QUIET pIE_Quiet,
-    IN PKnownBSS pBSSList,
-    IN UINT uIELength,
-    IN PBYTE pbyIEs,
-    IN HANDLE pRxPacketContext
+     HANDLE hDeviceContext,
+     QWORD qwTimestamp,
+     WORD wBeaconInterval,
+     WORD wCapInfo,
+     BYTE byCurrChannel,
+     BOOL bChannelHit,
+     PWLAN_IE_SSID pSSID,
+     PWLAN_IE_SUPP_RATES pSuppRates,
+     PWLAN_IE_SUPP_RATES pExtSuppRates,
+     PERPObject psERP,
+     PWLAN_IE_RSN pRSN,
+     PWLAN_IE_RSN_EXT pRSNWPA,
+     PWLAN_IE_COUNTRY pIE_Country,
+     PWLAN_IE_QUIET pIE_Quiet,
+     PKnownBSS pBSSList,
+     UINT uIELength,
+     PBYTE pbyIEs,
+     HANDLE pRxPacketContext
     );
 
 
 BOOL
 BSSbIsSTAInNodeDB(
-    IN HANDLE hDeviceContext,
-    IN PBYTE abyDstAddr,
+     HANDLE hDeviceContext,
+     PBYTE abyDstAddr,
     OUT PUINT puNodeIndex
     );
 
 VOID
 BSSvCreateOneNode(
-    IN HANDLE hDeviceContext,
+     HANDLE hDeviceContext,
     OUT PUINT puNodeIndex
     );
 
 VOID
 BSSvUpdateAPNode(
-    IN HANDLE hDeviceContext,
-    IN PWORD pwCapInfo,
-    IN PWLAN_IE_SUPP_RATES pItemRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates
+     HANDLE hDeviceContext,
+     PWORD pwCapInfo,
+     PWLAN_IE_SUPP_RATES pItemRates,
+     PWLAN_IE_SUPP_RATES pExtSuppRates
     );
 
 
 VOID
 BSSvSecondCallBack(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 
 VOID
 BSSvUpdateNodeTxCounter(
-    IN HANDLE      hDeviceContext,
-    IN PSStatCounter    pStatistic,
-    IN BYTE             byTSR,
-    IN BYTE             byPktNO
+     HANDLE      hDeviceContext,
+     PSStatCounter    pStatistic,
+     BYTE             byTSR,
+     BYTE             byPktNO
     );
 
 VOID
 BSSvRemoveOneNode(
-    IN HANDLE hDeviceContext,
-    IN UINT uNodeIndex
+     HANDLE hDeviceContext,
+     UINT uNodeIndex
     );
 
 VOID
 BSSvAddMulticastNode(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 
 VOID
 BSSvClearNodeDBTable(
-    IN HANDLE hDeviceContext,
-    IN UINT uStartIndex
+     HANDLE hDeviceContext,
+     UINT uStartIndex
     );
 
 VOID
 BSSvClearAnyBSSJoinRecord(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 #endif //__BSSDB_H__
diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c
index d73efeea2d5..4ad1e94ffba 100644
--- a/drivers/staging/vt6656/card.c
+++ b/drivers/staging/vt6656/card.c
@@ -224,8 +224,8 @@ WORD swGetOFDMControlRate (PVOID pDeviceHandler, WORD wRateIdx)
  */
 VOID
 CARDvCaculateOFDMRParameter (
-    IN  WORD wRate,
-    IN  BYTE byBBType,
+      WORD wRate,
+      BYTE byBBType,
     OUT PBYTE pbyTxRate,
     OUT PBYTE pbyRsvTime
     )
@@ -1080,10 +1080,10 @@ void CARDvSetBSSMode (PVOID pDeviceHandler)
 -*/
 BOOL
 CARDbChannelSwitch (
-    IN PVOID            pDeviceHandler,
-    IN BYTE             byMode,
-    IN BYTE             byNewChannel,
-    IN BYTE             byCount
+     PVOID            pDeviceHandler,
+     BYTE             byMode,
+     BYTE             byNewChannel,
+     BYTE             byCount
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
diff --git a/drivers/staging/vt6656/card.h b/drivers/staging/vt6656/card.h
index aa90c2cb446..16beb71a19b 100644
--- a/drivers/staging/vt6656/card.h
+++ b/drivers/staging/vt6656/card.h
@@ -83,10 +83,10 @@ void CARDvSetBSSMode(PVOID pDeviceHandler);
 
 BOOL
 CARDbChannelSwitch (
-    IN PVOID            pDeviceHandler,
-    IN BYTE             byMode,
-    IN BYTE             byNewChannel,
-    IN BYTE             byCount
+     PVOID            pDeviceHandler,
+     BYTE             byMode,
+     BYTE             byNewChannel,
+     BYTE             byCount
     );
 
 #endif // __CARD_H__
diff --git a/drivers/staging/vt6656/channel.c b/drivers/staging/vt6656/channel.c
index f7136b0073b..32500af78bc 100644
--- a/drivers/staging/vt6656/channel.c
+++ b/drivers/staging/vt6656/channel.c
@@ -425,7 +425,7 @@ exit:
  ************************************************************************/
 BOOL
 CHvChannelGetList (
-    IN  UINT       uCountryCodeIdx,
+      UINT       uCountryCodeIdx,
     OUT PBYTE      pbyChannelTable
     )
 {
diff --git a/drivers/staging/vt6656/channel.h b/drivers/staging/vt6656/channel.h
index 2306b202565..c965d6aff15 100644
--- a/drivers/staging/vt6656/channel.h
+++ b/drivers/staging/vt6656/channel.h
@@ -50,7 +50,7 @@ BYTE    CHbyGetChannelMapping(BYTE byChannelNumber);
 
 BOOL
 CHvChannelGetList (
-    IN  UINT       uCountryCodeIdx,
+      UINT       uCountryCodeIdx,
     OUT PBYTE      pbyChannelTable
     );
 
diff --git a/drivers/staging/vt6656/control.h b/drivers/staging/vt6656/control.h
index 4d9a777a706..106c9e9f2b3 100644
--- a/drivers/staging/vt6656/control.h
+++ b/drivers/staging/vt6656/control.h
@@ -54,27 +54,27 @@
 /*---------------------  Export Functions  --------------------------*/
 
 void ControlvWriteByte(
-    IN PSDevice pDevice,
-    IN BYTE byRegType,
-    IN BYTE byRegOfs,
-    IN BYTE byData
+     PSDevice pDevice,
+     BYTE byRegType,
+     BYTE byRegOfs,
+     BYTE byData
     );
 
 
 void ControlvReadByte(
-    IN PSDevice pDevice,
-    IN BYTE byRegType,
-    IN BYTE byRegOfs,
-    IN PBYTE pbyData
+     PSDevice pDevice,
+     BYTE byRegType,
+     BYTE byRegOfs,
+     PBYTE pbyData
     );
 
 
 void ControlvMaskByte(
-    IN PSDevice pDevice,
-    IN BYTE byRegType,
-    IN BYTE byRegOfs,
-    IN BYTE byMask,
-    IN BYTE byData
+     PSDevice pDevice,
+     BYTE byRegType,
+     BYTE byRegOfs,
+     BYTE byMask,
+     BYTE byData
     );
 
 #endif // __RCV_H__
diff --git a/drivers/staging/vt6656/datarate.c b/drivers/staging/vt6656/datarate.c
index 968feb466b0..e487af57213 100644
--- a/drivers/staging/vt6656/datarate.c
+++ b/drivers/staging/vt6656/datarate.c
@@ -66,14 +66,14 @@ const BYTE acbyIERate[MAX_RATE] =
 /*---------------------  Static Functions  --------------------------*/
 
 VOID s_vResetCounter (
-    IN PKnownNodeDB psNodeDBTable
+     PKnownNodeDB psNodeDBTable
     );
 
 
 
 VOID
 s_vResetCounter (
-    IN PKnownNodeDB psNodeDBTable
+     PKnownNodeDB psNodeDBTable
     )
 {
     BYTE            ii;
@@ -107,7 +107,7 @@ s_vResetCounter (
 -*/
 BYTE
 DATARATEbyGetRateIdx (
-    IN BYTE byRate
+     BYTE byRate
     )
 {
     BYTE    ii;
@@ -161,7 +161,7 @@ DATARATEbyGetRateIdx (
 -*/
 WORD
 RATEwGetRateIdx(
-    IN BYTE byRate
+     BYTE byRate
     )
 {
     WORD    ii;
@@ -197,10 +197,10 @@ RATEwGetRateIdx(
 -*/
 VOID
 RATEvParseMaxRate (
-    IN PVOID pDeviceHandler,
-    IN PWLAN_IE_SUPP_RATES pItemRates,
-    IN PWLAN_IE_SUPP_RATES pItemExtRates,
-    IN BOOL bUpdateBasicRate,
+     PVOID pDeviceHandler,
+     PWLAN_IE_SUPP_RATES pItemRates,
+     PWLAN_IE_SUPP_RATES pItemExtRates,
+     BOOL bUpdateBasicRate,
     OUT PWORD pwMaxBasicRate,
     OUT PWORD pwMaxSuppRate,
     OUT PWORD pwSuppRate,
@@ -310,8 +310,8 @@ UINT  uRateLen;
 
 VOID
 RATEvTxRateFallBack (
-    IN PVOID pDeviceHandler,
-    IN PKnownNodeDB psNodeDBTable
+     PVOID pDeviceHandler,
+     PKnownNodeDB psNodeDBTable
     )
 {
 PSDevice        pDevice = (PSDevice) pDeviceHandler;
@@ -473,9 +473,9 @@ if (wIdxUpRate == RATE_54M ) {     //11a/g
 -*/
 BYTE
 RATEuSetIE (
-    IN PWLAN_IE_SUPP_RATES pSrcRates,
-    IN PWLAN_IE_SUPP_RATES pDstRates,
-    IN UINT                uRateLen
+     PWLAN_IE_SUPP_RATES pSrcRates,
+     PWLAN_IE_SUPP_RATES pDstRates,
+     UINT                uRateLen
     )
 {
     UINT ii, uu, uRateCnt = 0;
diff --git a/drivers/staging/vt6656/datarate.h b/drivers/staging/vt6656/datarate.h
index 68f206e2707..5024f716238 100644
--- a/drivers/staging/vt6656/datarate.h
+++ b/drivers/staging/vt6656/datarate.h
@@ -71,10 +71,10 @@
 
 VOID
 RATEvParseMaxRate(
-    IN PVOID pDeviceHandler,
-    IN PWLAN_IE_SUPP_RATES pItemRates,
-    IN PWLAN_IE_SUPP_RATES pItemExtRates,
-    IN BOOL bUpdateBasicRate,
+     PVOID pDeviceHandler,
+     PWLAN_IE_SUPP_RATES pItemRates,
+     PWLAN_IE_SUPP_RATES pItemExtRates,
+     BOOL bUpdateBasicRate,
     OUT PWORD pwMaxBasicRate,
     OUT PWORD pwMaxSuppRate,
     OUT PWORD pwSuppRate,
@@ -84,26 +84,26 @@ RATEvParseMaxRate(
 
 VOID
 RATEvTxRateFallBack(
-    IN PVOID pDeviceHandler,
-    IN PKnownNodeDB psNodeDBTable
+     PVOID pDeviceHandler,
+     PKnownNodeDB psNodeDBTable
     );
 
 BYTE
 RATEuSetIE(
-    IN PWLAN_IE_SUPP_RATES pSrcRates,
-    IN PWLAN_IE_SUPP_RATES pDstRates,
-    IN UINT                uRateLen
+     PWLAN_IE_SUPP_RATES pSrcRates,
+     PWLAN_IE_SUPP_RATES pDstRates,
+     UINT                uRateLen
     );
 
 WORD
 RATEwGetRateIdx(
-    IN BYTE byRate
+     BYTE byRate
     );
 
 
 BYTE
 DATARATEbyGetRateIdx(
-    IN BYTE byRate
+     BYTE byRate
     );
 
 
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index 9e833bb08e3..957b7622eb6 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -74,13 +74,12 @@ const BYTE acbyRxRate[MAX_RATE] =
 
 /*---------------------  Static Functions  --------------------------*/
 
-static BYTE s_byGetRateIdx(IN BYTE byRate);
-
+static BYTE s_byGetRateIdx(BYTE byRate);
 
 static
 VOID
 s_vGetDASA(
-    IN  PBYTE pbyRxBufferAddr,
+      PBYTE pbyRxBufferAddr,
     OUT PUINT pcbHeaderSize,
     OUT PSEthernetHeader psEthHeader
     );
@@ -88,37 +87,37 @@ s_vGetDASA(
 static
 VOID
 s_vProcessRxMACHeader (
-    IN  PSDevice pDevice,
-    IN  PBYTE pbyRxBufferAddr,
-    IN  UINT cbPacketSize,
-    IN  BOOL bIsWEP,
-    IN  BOOL bExtIV,
+      PSDevice pDevice,
+      PBYTE pbyRxBufferAddr,
+      UINT cbPacketSize,
+      BOOL bIsWEP,
+      BOOL bExtIV,
     OUT PUINT pcbHeadSize
     );
 
 static BOOL s_bAPModeRxCtl(
-    IN PSDevice pDevice,
-    IN PBYTE    pbyFrame,
-    IN INT      iSANodeIndex
+     PSDevice pDevice,
+     PBYTE    pbyFrame,
+     INT      iSANodeIndex
     );
 
 
 
 static BOOL s_bAPModeRxData (
-    IN PSDevice pDevice,
-    IN struct sk_buff* skb,
-    IN UINT     FrameSize,
-    IN UINT     cbHeaderOffset,
-    IN INT      iSANodeIndex,
-    IN INT      iDANodeIndex
+     PSDevice pDevice,
+     struct sk_buff *skb,
+     UINT     FrameSize,
+     UINT     cbHeaderOffset,
+     INT      iSANodeIndex,
+     INT      iDANodeIndex
     );
 
 
 static BOOL s_bHandleRxEncryption(
-    IN PSDevice     pDevice,
-    IN PBYTE        pbyFrame,
-    IN UINT         FrameSize,
-    IN PBYTE        pbyRsr,
+     PSDevice     pDevice,
+     PBYTE        pbyFrame,
+     UINT         FrameSize,
+     PBYTE        pbyRsr,
     OUT PBYTE       pbyNewRsr,
     OUT PSKeyItem   *pKeyOut,
     int *       pbExtIV,
@@ -128,12 +127,12 @@ static BOOL s_bHandleRxEncryption(
 
 static BOOL s_bHostWepRxEncryption(
 
-    IN PSDevice     pDevice,
-    IN PBYTE        pbyFrame,
-    IN UINT         FrameSize,
-    IN PBYTE        pbyRsr,
-    IN BOOL         bOnFly,
-    IN PSKeyItem    pKey,
+     PSDevice     pDevice,
+     PBYTE        pbyFrame,
+     UINT         FrameSize,
+     PBYTE        pbyRsr,
+     BOOL         bOnFly,
+     PSKeyItem    pKey,
     OUT PBYTE       pbyNewRsr,
     int *       pbExtIV,
     OUT PWORD       pwRxTSC15_0,
@@ -163,11 +162,11 @@ static BOOL s_bHostWepRxEncryption(
 static
 VOID
 s_vProcessRxMACHeader (
-    IN  PSDevice pDevice,
-    IN  PBYTE pbyRxBufferAddr,
-    IN  UINT cbPacketSize,
-    IN  BOOL bIsWEP,
-    IN  BOOL bExtIV,
+      PSDevice pDevice,
+      PBYTE pbyRxBufferAddr,
+      UINT cbPacketSize,
+      BOOL bIsWEP,
+      BOOL bExtIV,
     OUT PUINT pcbHeadSize
     )
 {
@@ -247,7 +246,7 @@ s_vProcessRxMACHeader (
 
 
 
-static BYTE s_byGetRateIdx (IN BYTE byRate)
+static BYTE s_byGetRateIdx(BYTE byRate)
 {
     BYTE    byRateIdx;
 
@@ -262,7 +261,7 @@ static BYTE s_byGetRateIdx (IN BYTE byRate)
 static
 VOID
 s_vGetDASA (
-    IN  PBYTE pbyRxBufferAddr,
+      PBYTE pbyRxBufferAddr,
     OUT PUINT pcbHeaderSize,
     OUT PSEthernetHeader psEthHeader
     )
@@ -317,9 +316,9 @@ s_vGetDASA (
 
 BOOL
 RXbBulkInProcessData (
-    IN PSDevice         pDevice,
-    IN PRCB             pRCB,
-    IN ULONG            BytesToIndicate
+     PSDevice         pDevice,
+     PRCB             pRCB,
+     ULONG            BytesToIndicate
     )
 {
 
@@ -1022,9 +1021,9 @@ RXbBulkInProcessData (
 
 
 static BOOL s_bAPModeRxCtl (
-    IN PSDevice pDevice,
-    IN PBYTE    pbyFrame,
-    IN INT      iSANodeIndex
+     PSDevice pDevice,
+     PBYTE    pbyFrame,
+     INT      iSANodeIndex
     )
 {
     PS802_11Header      p802_11Header;
@@ -1144,10 +1143,10 @@ static BOOL s_bAPModeRxCtl (
 }
 
 static BOOL s_bHandleRxEncryption (
-    IN PSDevice     pDevice,
-    IN PBYTE        pbyFrame,
-    IN UINT         FrameSize,
-    IN PBYTE        pbyRsr,
+     PSDevice     pDevice,
+     PBYTE        pbyFrame,
+     UINT         FrameSize,
+     PBYTE        pbyRsr,
     OUT PBYTE       pbyNewRsr,
     OUT PSKeyItem   *pKeyOut,
     int *       pbExtIV,
@@ -1290,12 +1289,12 @@ static BOOL s_bHandleRxEncryption (
 
 
 static BOOL s_bHostWepRxEncryption (
-    IN PSDevice     pDevice,
-    IN PBYTE        pbyFrame,
-    IN UINT         FrameSize,
-    IN PBYTE        pbyRsr,
-    IN BOOL         bOnFly,
-    IN PSKeyItem    pKey,
+     PSDevice     pDevice,
+     PBYTE        pbyFrame,
+     UINT         FrameSize,
+     PBYTE        pbyRsr,
+     BOOL         bOnFly,
+     PSKeyItem    pKey,
     OUT PBYTE       pbyNewRsr,
     int *       pbExtIV,
     OUT PWORD       pwRxTSC15_0,
@@ -1422,12 +1421,12 @@ static BOOL s_bHostWepRxEncryption (
 
 
 static BOOL s_bAPModeRxData (
-    IN PSDevice pDevice,
-    IN struct sk_buff* skb,
-    IN UINT     FrameSize,
-    IN UINT     cbHeaderOffset,
-    IN INT      iSANodeIndex,
-    IN INT      iDANodeIndex
+     PSDevice pDevice,
+     struct sk_buff *skb,
+     UINT     FrameSize,
+     UINT     cbHeaderOffset,
+     INT      iSANodeIndex,
+     INT      iDANodeIndex
     )
 
 {
@@ -1542,8 +1541,8 @@ RXvWorkItem(
 
 VOID
 RXvFreeRCB(
-    IN PRCB pRCB,
-    IN BOOL bReAllocSkb
+     PRCB pRCB,
+     BOOL bReAllocSkb
     )
 {
     PSDevice pDevice = (PSDevice)pRCB->pDevice;
diff --git a/drivers/staging/vt6656/dpc.h b/drivers/staging/vt6656/dpc.h
index df148b45396..8e6dceef240 100644
--- a/drivers/staging/vt6656/dpc.h
+++ b/drivers/staging/vt6656/dpc.h
@@ -53,15 +53,15 @@ RXvMngWorkItem(
 
 VOID
 RXvFreeRCB(
-    IN PRCB pRCB,
-    IN BOOL bReAllocSkb
+     PRCB pRCB,
+     BOOL bReAllocSkb
     );
 
 BOOL
 RXbBulkInProcessData(
-    IN PSDevice         pDevice,
-    IN PRCB             pRCB,
-    IN ULONG            BytesToIndicate
+     PSDevice         pDevice,
+     PRCB             pRCB,
+     ULONG            BytesToIndicate
     );
 
 #endif // __RXTX_H__
diff --git a/drivers/staging/vt6656/firmware.c b/drivers/staging/vt6656/firmware.c
index 585b6b12c5b..e1f96d7086f 100644
--- a/drivers/staging/vt6656/firmware.c
+++ b/drivers/staging/vt6656/firmware.c
@@ -770,7 +770,7 @@ const BYTE abyFirmware[] = {
 
 BOOL
 FIRMWAREbDownload(
-    IN PSDevice pDevice
+     PSDevice pDevice
     )
 {
     NDIS_STATUS NdisStatus;
@@ -820,7 +820,7 @@ FIRMWAREbDownload(
 
 BOOL
 FIRMWAREbBrach2Sram(
-    IN PSDevice pDevice
+     PSDevice pDevice
     )
 {
     NDIS_STATUS NdisStatus;
@@ -845,7 +845,7 @@ FIRMWAREbBrach2Sram(
 
 BOOL
 FIRMWAREbCheckVersion(
-    IN PSDevice pDevice
+     PSDevice pDevice
     )
 {
     NTSTATUS                ntStatus;
diff --git a/drivers/staging/vt6656/firmware.h b/drivers/staging/vt6656/firmware.h
index 97f8559f2a5..10e84cdf21b 100644
--- a/drivers/staging/vt6656/firmware.h
+++ b/drivers/staging/vt6656/firmware.h
@@ -43,17 +43,17 @@
 
 BOOL
 FIRMWAREbDownload(
-    IN PSDevice pDevice
+     PSDevice pDevice
     );
 
 BOOL
 FIRMWAREbBrach2Sram(
-    IN PSDevice pDevice
+     PSDevice pDevice
     );
 
 BOOL
 FIRMWAREbCheckVersion(
-    IN PSDevice pDevice
+     PSDevice pDevice
     );
 
 
diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c
index 824c67de0ea..a47eeb06930 100644
--- a/drivers/staging/vt6656/int.c
+++ b/drivers/staging/vt6656/int.c
@@ -94,7 +94,7 @@ INTvWorkItem(PVOID Context)
 }
 
 NTSTATUS
-INTnsProcessData(IN  PSDevice pDevice)
+INTnsProcessData(PSDevice pDevice)
 {
 	NTSTATUS	status = STATUS_SUCCESS;
 	PSINTData	pINTData;
diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h
index 15e815a3596..c3476cff542 100644
--- a/drivers/staging/vt6656/int.h
+++ b/drivers/staging/vt6656/int.h
@@ -74,7 +74,7 @@ INTvWorkItem(
 
 NTSTATUS
 INTnsProcessData(
-    IN  PSDevice pDevice
+      PSDevice pDevice
     );
 
 #endif // __INT_H__
diff --git a/drivers/staging/vt6656/ioctl.h b/drivers/staging/vt6656/ioctl.h
index 07d228399c3..d3f49d44416 100644
--- a/drivers/staging/vt6656/ioctl.h
+++ b/drivers/staging/vt6656/ioctl.h
@@ -44,10 +44,10 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq);
 
 /*
 VOID vConfigWEPKey (
-    IN PSDevice pDevice,
-    IN DWORD    dwKeyIndex,
-    IN PBYTE    pbyKey,
-    IN ULONG    uKeyLength
+     PSDevice pDevice,
+     DWORD    dwKeyIndex,
+     PBYTE    pbyKey,
+     ULONG    uKeyLength
     );
 */
 
diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
index 0cd2751d67d..6cdc85e8352 100644
--- a/drivers/staging/vt6656/key.c
+++ b/drivers/staging/vt6656/key.c
@@ -163,9 +163,9 @@ VOID KeyvInitTable(PVOID pDeviceHandler, PSKeyManagement pTable)
  *
  */
 BOOL KeybGetKey (
-    IN  PSKeyManagement pTable,
-    IN  PBYTE           pbyBSSID,
-    IN  DWORD           dwKeyIndex,
+      PSKeyManagement pTable,
+      PBYTE           pbyBSSID,
+      DWORD           dwKeyIndex,
     OUT PSKeyItem       *pKey
     )
 {
@@ -562,9 +562,9 @@ VOID KeyvRemoveAllWEPKey (
  *
  */
 BOOL KeybGetTransmitKey (
-    IN  PSKeyManagement pTable,
-    IN  PBYTE           pbyBSSID,
-    IN  DWORD           dwKeyType,
+      PSKeyManagement pTable,
+      PBYTE           pbyBSSID,
+      DWORD           dwKeyType,
     OUT PSKeyItem       *pKey
     )
 {
@@ -642,7 +642,7 @@ BOOL KeybGetTransmitKey (
  *
  */
 BOOL KeybCheckPairewiseKey (
-    IN  PSKeyManagement pTable,
+      PSKeyManagement pTable,
     OUT PSKeyItem       *pKey
     )
 {
diff --git a/drivers/staging/vt6656/key.h b/drivers/staging/vt6656/key.h
index da8dfe09cf3..11236e848d9 100644
--- a/drivers/staging/vt6656/key.h
+++ b/drivers/staging/vt6656/key.h
@@ -100,9 +100,9 @@ typedef struct tagSKeyManagement
 VOID KeyvInitTable(PVOID pDeviceHandler, PSKeyManagement pTable);
 
 BOOL KeybGetKey(
-    IN  PSKeyManagement pTable,
-    IN  PBYTE           pbyBSSID,
-    IN  DWORD           dwKeyIndex,
+      PSKeyManagement pTable,
+      PBYTE           pbyBSSID,
+      DWORD           dwKeyIndex,
     OUT PSKeyItem       *pKey
     );
 
@@ -142,14 +142,14 @@ VOID KeyvRemoveAllWEPKey(
     );
 
 BOOL KeybGetTransmitKey(
-    IN  PSKeyManagement pTable,
-    IN  PBYTE           pbyBSSID,
-    IN  DWORD           dwKeyType,
+      PSKeyManagement pTable,
+      PBYTE           pbyBSSID,
+      DWORD           dwKeyType,
     OUT PSKeyItem       *pKey
     );
 
 BOOL KeybCheckPairewiseKey(
-    IN  PSKeyManagement pTable,
+      PSKeyManagement pTable,
     OUT PSKeyItem       *pKey
     );
 
diff --git a/drivers/staging/vt6656/power.c b/drivers/staging/vt6656/power.c
index b5702b098e1..e50093e355a 100644
--- a/drivers/staging/vt6656/power.c
+++ b/drivers/staging/vt6656/power.c
@@ -78,8 +78,8 @@ static int          msglevel                =MSG_LEVEL_INFO;
 
 VOID
 PSvEnablePowerSaving(
-    IN HANDLE hDeviceContext,
-    IN WORD wListenInterval
+     HANDLE hDeviceContext,
+     WORD wListenInterval
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -156,7 +156,7 @@ PSvEnablePowerSaving(
 
 VOID
 PSvDisablePowerSaving(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -201,9 +201,9 @@ PSvDisablePowerSaving(
 
 BOOL
 PSbConsiderPowerDown(
-    IN HANDLE hDeviceContext,
-    IN BOOL bCheckRxDMA,
-    IN BOOL bCheckCountToWakeUp
+     HANDLE hDeviceContext,
+     BOOL bCheckRxDMA,
+     BOOL bCheckCountToWakeUp
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -264,7 +264,7 @@ PSbConsiderPowerDown(
 
 VOID
 PSvSendPSPOLL(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -310,7 +310,7 @@ PSvSendPSPOLL(
 -*/
 BOOL
 PSbSendNullPacket(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -390,7 +390,7 @@ PSbSendNullPacket(
 
 BOOL
 PSbIsNextTBTTWakeUp(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
 
diff --git a/drivers/staging/vt6656/power.h b/drivers/staging/vt6656/power.h
index c33c93a86f5..0a14811ced9 100644
--- a/drivers/staging/vt6656/power.h
+++ b/drivers/staging/vt6656/power.h
@@ -45,40 +45,40 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-// IN PSDevice pDevice
-// IN PSDevice hDeviceContext
+/*  PSDevice pDevice */
+/*  PSDevice hDeviceContext */
 
 BOOL
 PSbConsiderPowerDown(
-    IN HANDLE hDeviceContext,
-    IN BOOL bCheckRxDMA,
-    IN BOOL bCheckCountToWakeUp
+     HANDLE hDeviceContext,
+     BOOL bCheckRxDMA,
+     BOOL bCheckCountToWakeUp
     );
 
 VOID
 PSvDisablePowerSaving(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 VOID
 PSvEnablePowerSaving(
-    IN HANDLE hDeviceContext,
-    IN WORD wListenInterval
+     HANDLE hDeviceContext,
+     WORD wListenInterval
     );
 
 VOID
 PSvSendPSPOLL(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 BOOL
 PSbSendNullPacket(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 BOOL
 PSbIsNextTBTTWakeUp(
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 #endif //__POWER_H__
diff --git a/drivers/staging/vt6656/rf.c b/drivers/staging/vt6656/rf.c
index 405c4f71b5f..d69925ff469 100644
--- a/drivers/staging/vt6656/rf.c
+++ b/drivers/staging/vt6656/rf.c
@@ -757,9 +757,9 @@ BOOL IFRFbWriteEmbeded (PSDevice pDevice, DWORD dwData)
  *
  */
 BOOL RFbSetPower (
-    IN  PSDevice  pDevice,
-    IN  UINT      uRATE,
-    IN  UINT      uCH
+      PSDevice  pDevice,
+      UINT      uRATE,
+      UINT      uCH
     )
 {
 BOOL    bResult = TRUE;
@@ -811,9 +811,9 @@ BYTE    byPwr = pDevice->byCCKPwr;
  *
  */
 BOOL RFbRawSetPower (
-    IN  PSDevice  pDevice,
-    IN  BYTE      byPwr,
-    IN  UINT      uRATE
+      PSDevice  pDevice,
+      BYTE      byPwr,
+      UINT      uRATE
     )
 {
 BOOL        bResult = TRUE;
@@ -956,8 +956,8 @@ BOOL        bResult = TRUE;
 -*/
 VOID
 RFvRSSITodBm (
-    IN  PSDevice pDevice,
-    IN  BYTE     byCurrRSSI,
+      PSDevice pDevice,
+      BYTE     byCurrRSSI,
     long *    pldBm
     )
 {
@@ -986,7 +986,7 @@ RFvRSSITodBm (
 
 VOID
 RFbRFTableDownload (
-    IN  PSDevice pDevice
+      PSDevice pDevice
     )
 {
 WORD    wLength1 = 0,wLength2 = 0 ,wLength3 = 0;
@@ -1133,9 +1133,9 @@ BYTE    abyArray[256];
 
 // RobertYu:20060412, TWIF1.11 adjust LO Current for 11b mode
 BOOL s_bVT3226D0_11bLoCurrentAdjust(
-    IN  PSDevice    pDevice,
-    IN  BYTE        byChannel,
-    IN  BOOL        b11bMode )
+      PSDevice    pDevice,
+      BYTE        byChannel,
+      BOOL        b11bMode)
 {
     BOOL    bResult;
 
diff --git a/drivers/staging/vt6656/rf.h b/drivers/staging/vt6656/rf.h
index 55d882f78f2..22159869364 100644
--- a/drivers/staging/vt6656/rf.h
+++ b/drivers/staging/vt6656/rf.h
@@ -65,33 +65,33 @@ extern const BYTE RFaby11aChannelIndex[200];
 
 BOOL IFRFbWriteEmbeded(PSDevice pDevice, DWORD dwData);
 BOOL RFbSetPower (
-    IN  PSDevice  pDevice,
-    IN  UINT      uRATE,
-    IN  UINT      uCH
+      PSDevice  pDevice,
+      UINT      uRATE,
+      UINT      uCH
     );
 
 BOOL RFbRawSetPower(
-    IN  PSDevice  pDevice,
-    IN  BYTE      byPwr,
-    IN  UINT      uRATE
+      PSDevice  pDevice,
+      BYTE      byPwr,
+      UINT      uRATE
     );
 
 VOID
 RFvRSSITodBm (
-    IN  PSDevice pDevice,
-    IN  BYTE     byCurrRSSI,
+      PSDevice pDevice,
+      BYTE     byCurrRSSI,
     long *    pldBm
     );
 
 VOID
 RFbRFTableDownload (
-    IN  PSDevice pDevice
+      PSDevice pDevice
     );
 
 BOOL s_bVT3226D0_11bLoCurrentAdjust(
-    IN  PSDevice    pDevice,
-    IN  BYTE        byChannel,
-    IN  BOOL        b11bMode
+      PSDevice    pDevice,
+      BYTE        byChannel,
+      BOOL        b11bMode
     );
 
 #endif // __RF_H__
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 03b8b4decf0..1d7ca228624 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -115,11 +115,11 @@ const WORD wFB_Opt1[2][5] = {
 static
 VOID
 s_vSaveTxPktInfo(
-    IN PSDevice pDevice,
-    IN BYTE byPktNum,
-    IN PBYTE pbyDestAddr,
-    IN WORD wPktLength,
-    IN WORD wFIFOCtl
+     PSDevice pDevice,
+     BYTE byPktNum,
+     PBYTE pbyDestAddr,
+     WORD wPktLength,
+     WORD wFIFOCtl
 );
 
 static
@@ -132,34 +132,34 @@ s_vGetFreeContext(
 static
 VOID
 s_vGenerateTxParameter(
-    IN PSDevice         pDevice,
-    IN BYTE             byPktType,
-    IN WORD             wCurrentRate,
-    IN PVOID            pTxBufHead,
-    IN PVOID            pvRrvTime,
-    IN PVOID            pvRTS,
-    IN PVOID            pvCTS,
-    IN UINT             cbFrameSize,
-    IN BOOL             bNeedACK,
-    IN UINT             uDMAIdx,
-    IN PSEthernetHeader psEthHeader
+     PSDevice         pDevice,
+     BYTE             byPktType,
+     WORD             wCurrentRate,
+     PVOID            pTxBufHead,
+     PVOID            pvRrvTime,
+     PVOID            pvRTS,
+     PVOID            pvCTS,
+     UINT             cbFrameSize,
+     BOOL             bNeedACK,
+     UINT             uDMAIdx,
+     PSEthernetHeader psEthHeader
     );
 
 
 static
 UINT
 s_uFillDataHead (
-    IN PSDevice pDevice,
-    IN BYTE     byPktType,
-    IN WORD     wCurrentRate,
-    IN PVOID    pTxDataHead,
-    IN UINT     cbFrameLength,
-    IN UINT     uDMAIdx,
-    IN BOOL     bNeedAck,
-    IN UINT     uFragIdx,
-    IN UINT     cbLastFragmentSize,
-    IN UINT     uMACfragNum,
-    IN BYTE     byFBOption
+     PSDevice pDevice,
+     BYTE     byPktType,
+     WORD     wCurrentRate,
+     PVOID    pTxDataHead,
+     UINT     cbFrameLength,
+     UINT     uDMAIdx,
+     BOOL     bNeedAck,
+     UINT     uFragIdx,
+     UINT     cbLastFragmentSize,
+     UINT     uMACfragNum,
+     BYTE     byFBOption
     );
 
 
@@ -168,112 +168,112 @@ s_uFillDataHead (
 static
 VOID
 s_vGenerateMACHeader (
-    IN PSDevice         pDevice,
-    IN PBYTE            pbyBufferAddr,
-    IN WORD             wDuration,
-    IN PSEthernetHeader psEthHeader,
-    IN BOOL             bNeedEncrypt,
-    IN WORD             wFragType,
-    IN UINT             uDMAIdx,
-    IN UINT             uFragIdx
+     PSDevice         pDevice,
+     PBYTE            pbyBufferAddr,
+     WORD             wDuration,
+     PSEthernetHeader psEthHeader,
+     BOOL             bNeedEncrypt,
+     WORD             wFragType,
+     UINT             uDMAIdx,
+     UINT             uFragIdx
     );
 
 static
 VOID
 s_vFillTxKey(
-    IN  PSDevice   pDevice,
-    IN  PBYTE      pbyBuf,
-    IN  PBYTE      pbyIVHead,
-    IN  PSKeyItem  pTransmitKey,
-    IN  PBYTE      pbyHdrBuf,
-    IN  WORD       wPayloadLen,
+      PSDevice   pDevice,
+      PBYTE      pbyBuf,
+      PBYTE      pbyIVHead,
+      PSKeyItem  pTransmitKey,
+      PBYTE      pbyHdrBuf,
+      WORD       wPayloadLen,
     OUT PBYTE      pMICHDR
     );
 
 static
 VOID
 s_vSWencryption (
-    IN  PSDevice         pDevice,
-    IN  PSKeyItem        pTransmitKey,
-    IN  PBYTE            pbyPayloadHead,
-    IN  WORD             wPayloadSize
+      PSDevice         pDevice,
+      PSKeyItem        pTransmitKey,
+      PBYTE            pbyPayloadHead,
+      WORD             wPayloadSize
     );
 
 static
 UINT
 s_uGetTxRsvTime (
-    IN PSDevice pDevice,
-    IN BYTE     byPktType,
-    IN UINT     cbFrameLength,
-    IN WORD     wRate,
-    IN BOOL     bNeedAck
+     PSDevice pDevice,
+     BYTE     byPktType,
+     UINT     cbFrameLength,
+     WORD     wRate,
+     BOOL     bNeedAck
     );
 
 
 static
 UINT
 s_uGetRTSCTSRsvTime (
-    IN PSDevice pDevice,
-    IN BYTE byRTSRsvType,
-    IN BYTE byPktType,
-    IN UINT cbFrameLength,
-    IN WORD wCurrentRate
+     PSDevice pDevice,
+     BYTE byRTSRsvType,
+     BYTE byPktType,
+     UINT cbFrameLength,
+     WORD wCurrentRate
     );
 
 static
 VOID
 s_vFillCTSHead (
-    IN PSDevice pDevice,
-    IN UINT     uDMAIdx,
-    IN BYTE     byPktType,
-    IN PVOID    pvCTS,
-    IN UINT     cbFrameLength,
-    IN BOOL     bNeedAck,
-    IN BOOL     bDisCRC,
-    IN WORD     wCurrentRate,
-    IN BYTE     byFBOption
+     PSDevice pDevice,
+     UINT     uDMAIdx,
+     BYTE     byPktType,
+     PVOID    pvCTS,
+     UINT     cbFrameLength,
+     BOOL     bNeedAck,
+     BOOL     bDisCRC,
+     WORD     wCurrentRate,
+     BYTE     byFBOption
     );
 
 static
 VOID
 s_vFillRTSHead(
-    IN PSDevice         pDevice,
-    IN BYTE             byPktType,
-    IN PVOID            pvRTS,
-    IN UINT             cbFrameLength,
-    IN BOOL             bNeedAck,
-    IN BOOL             bDisCRC,
-    IN PSEthernetHeader psEthHeader,
-    IN WORD             wCurrentRate,
-    IN BYTE             byFBOption
+     PSDevice         pDevice,
+     BYTE             byPktType,
+     PVOID            pvRTS,
+     UINT             cbFrameLength,
+     BOOL             bNeedAck,
+     BOOL             bDisCRC,
+     PSEthernetHeader psEthHeader,
+     WORD             wCurrentRate,
+     BYTE             byFBOption
     );
 
 static
 UINT
 s_uGetDataDuration (
-    IN PSDevice pDevice,
-    IN BYTE     byDurType,
-    IN UINT     cbFrameLength,
-    IN BYTE     byPktType,
-    IN WORD     wRate,
-    IN BOOL     bNeedAck,
-    IN UINT     uFragIdx,
-    IN UINT     cbLastFragmentSize,
-    IN UINT     uMACfragNum,
-    IN BYTE     byFBOption
+     PSDevice pDevice,
+     BYTE     byDurType,
+     UINT     cbFrameLength,
+     BYTE     byPktType,
+     WORD     wRate,
+     BOOL     bNeedAck,
+     UINT     uFragIdx,
+     UINT     cbLastFragmentSize,
+     UINT     uMACfragNum,
+     BYTE     byFBOption
     );
 
 
 static
 UINT
 s_uGetRTSCTSDuration (
-    IN PSDevice pDevice,
-    IN BYTE byDurType,
-    IN UINT cbFrameLength,
-    IN BYTE byPktType,
-    IN WORD wRate,
-    IN BOOL bNeedAck,
-    IN BYTE byFBOption
+     PSDevice pDevice,
+     BYTE byDurType,
+     UINT cbFrameLength,
+     BYTE byPktType,
+     WORD wRate,
+     BOOL bNeedAck,
+     BYTE byFBOption
     );
 
 
@@ -333,12 +333,12 @@ s_vSaveTxPktInfo(PSDevice pDevice, BYTE byPktNum, PBYTE pbyDestAddr, WORD wPktLe
 static
 VOID
 s_vFillTxKey (
-    IN  PSDevice   pDevice,
-    IN  PBYTE      pbyBuf,
-    IN  PBYTE      pbyIVHead,
-    IN  PSKeyItem  pTransmitKey,
-    IN  PBYTE      pbyHdrBuf,
-    IN  WORD       wPayloadLen,
+      PSDevice   pDevice,
+      PBYTE      pbyBuf,
+      PBYTE      pbyIVHead,
+      PSKeyItem  pTransmitKey,
+      PBYTE      pbyHdrBuf,
+      WORD       wPayloadLen,
     OUT PBYTE      pMICHDR
     )
 {
@@ -450,10 +450,10 @@ s_vFillTxKey (
 static
 VOID
 s_vSWencryption (
-    IN  PSDevice            pDevice,
-    IN  PSKeyItem           pTransmitKey,
-    IN  PBYTE               pbyPayloadHead,
-    IN  WORD                wPayloadSize
+      PSDevice            pDevice,
+      PSKeyItem           pTransmitKey,
+      PBYTE               pbyPayloadHead,
+      WORD                wPayloadSize
     )
 {
     UINT   cbICVlen = 4;
@@ -499,11 +499,11 @@ s_vSWencryption (
 static
 UINT
 s_uGetTxRsvTime (
-    IN PSDevice pDevice,
-    IN BYTE     byPktType,
-    IN UINT     cbFrameLength,
-    IN WORD     wRate,
-    IN BOOL     bNeedAck
+     PSDevice pDevice,
+     BYTE     byPktType,
+     UINT     cbFrameLength,
+     WORD     wRate,
+     BOOL     bNeedAck
     )
 {
     UINT uDataTime, uAckTime;
@@ -527,11 +527,11 @@ s_uGetTxRsvTime (
 static
 UINT
 s_uGetRTSCTSRsvTime (
-    IN PSDevice pDevice,
-    IN BYTE byRTSRsvType,
-    IN BYTE byPktType,
-    IN UINT cbFrameLength,
-    IN WORD wCurrentRate
+     PSDevice pDevice,
+     BYTE byRTSRsvType,
+     BYTE byPktType,
+     UINT cbFrameLength,
+     WORD wCurrentRate
     )
 {
     UINT uRrvTime  , uRTSTime, uCTSTime, uAckTime, uDataTime;
@@ -569,16 +569,16 @@ s_uGetRTSCTSRsvTime (
 static
 UINT
 s_uGetDataDuration (
-    IN PSDevice pDevice,
-    IN BYTE     byDurType,
-    IN UINT     cbFrameLength,
-    IN BYTE     byPktType,
-    IN WORD     wRate,
-    IN BOOL     bNeedAck,
-    IN UINT     uFragIdx,
-    IN UINT     cbLastFragmentSize,
-    IN UINT     uMACfragNum,
-    IN BYTE     byFBOption
+     PSDevice pDevice,
+     BYTE     byDurType,
+     UINT     cbFrameLength,
+     BYTE     byPktType,
+     WORD     wRate,
+     BOOL     bNeedAck,
+     UINT     uFragIdx,
+     UINT     cbLastFragmentSize,
+     UINT     uMACfragNum,
+     BYTE     byFBOption
     )
 {
     BOOL bLastFrag = 0;
@@ -739,13 +739,13 @@ s_uGetDataDuration (
 static
 UINT
 s_uGetRTSCTSDuration (
-    IN PSDevice pDevice,
-    IN BYTE byDurType,
-    IN UINT cbFrameLength,
-    IN BYTE byPktType,
-    IN WORD wRate,
-    IN BOOL bNeedAck,
-    IN BYTE byFBOption
+     PSDevice pDevice,
+     BYTE byDurType,
+     UINT cbFrameLength,
+     BYTE byPktType,
+     WORD wRate,
+     BOOL bNeedAck,
+     BYTE byFBOption
     )
 {
     UINT uCTSTime = 0, uDurTime = 0;
@@ -838,17 +838,17 @@ s_uGetRTSCTSDuration (
 static
 UINT
 s_uFillDataHead (
-    IN PSDevice pDevice,
-    IN BYTE     byPktType,
-    IN WORD     wCurrentRate,
-    IN PVOID    pTxDataHead,
-    IN UINT     cbFrameLength,
-    IN UINT     uDMAIdx,
-    IN BOOL     bNeedAck,
-    IN UINT     uFragIdx,
-    IN UINT     cbLastFragmentSize,
-    IN UINT     uMACfragNum,
-    IN BYTE     byFBOption
+     PSDevice pDevice,
+     BYTE     byPktType,
+     WORD     wCurrentRate,
+     PVOID    pTxDataHead,
+     UINT     cbFrameLength,
+     UINT     uDMAIdx,
+     BOOL     bNeedAck,
+     UINT     uFragIdx,
+     UINT     cbLastFragmentSize,
+     UINT     uMACfragNum,
+     BYTE     byFBOption
     )
 {
 
@@ -983,15 +983,15 @@ s_uFillDataHead (
 static
 VOID
 s_vFillRTSHead (
-    IN PSDevice         pDevice,
-    IN BYTE             byPktType,
-    IN PVOID            pvRTS,
-    IN UINT             cbFrameLength,
-    IN BOOL             bNeedAck,
-    IN BOOL             bDisCRC,
-    IN PSEthernetHeader psEthHeader,
-    IN WORD             wCurrentRate,
-    IN BYTE             byFBOption
+     PSDevice         pDevice,
+     BYTE             byPktType,
+     PVOID            pvRTS,
+     UINT             cbFrameLength,
+     BOOL             bNeedAck,
+     BOOL             bDisCRC,
+     PSEthernetHeader psEthHeader,
+     WORD             wCurrentRate,
+     BYTE             byFBOption
     )
 {
     UINT uRTSFrameLen = 20;
@@ -1211,15 +1211,15 @@ s_vFillRTSHead (
 static
 VOID
 s_vFillCTSHead (
-    IN PSDevice pDevice,
-    IN UINT     uDMAIdx,
-    IN BYTE     byPktType,
-    IN PVOID    pvCTS,
-    IN UINT     cbFrameLength,
-    IN BOOL     bNeedAck,
-    IN BOOL     bDisCRC,
-    IN WORD     wCurrentRate,
-    IN BYTE     byFBOption
+     PSDevice pDevice,
+     UINT     uDMAIdx,
+     BYTE     byPktType,
+     PVOID    pvCTS,
+     UINT     cbFrameLength,
+     BOOL     bNeedAck,
+     BOOL     bDisCRC,
+     WORD     wCurrentRate,
+     BYTE     byFBOption
     )
 {
     UINT uCTSFrameLen = 14;
@@ -1311,17 +1311,17 @@ s_vFillCTSHead (
 static
 VOID
 s_vGenerateTxParameter (
-    IN PSDevice         pDevice,
-    IN BYTE             byPktType,
-    IN WORD             wCurrentRate,
-    IN PVOID            pTxBufHead,
-    IN PVOID            pvRrvTime,
-    IN PVOID            pvRTS,
-    IN PVOID            pvCTS,
-    IN UINT             cbFrameSize,
-    IN BOOL             bNeedACK,
-    IN UINT             uDMAIdx,
-    IN PSEthernetHeader psEthHeader
+     PSDevice         pDevice,
+     BYTE             byPktType,
+     WORD             wCurrentRate,
+     PVOID            pTxBufHead,
+     PVOID            pvRrvTime,
+     PVOID            pvRTS,
+     PVOID            pvCTS,
+     UINT             cbFrameSize,
+     BOOL             bNeedACK,
+     UINT             uDMAIdx,
+     PSEthernetHeader psEthHeader
     )
 {
     UINT cbMACHdLen = WLAN_HDR_ADDR3_LEN; //24
@@ -1428,17 +1428,17 @@ s_vGenerateTxParameter (
 
 BOOL
 s_bPacketToWirelessUsb(
-    IN  PSDevice         pDevice,
-    IN  BYTE             byPktType,
-    IN  PBYTE            usbPacketBuf,
-    IN  BOOL             bNeedEncryption,
-    IN  UINT             uSkbPacketLen,
-    IN  UINT             uDMAIdx,
-    IN  PSEthernetHeader psEthHeader,
-    IN  PBYTE            pPacket,
-    IN  PSKeyItem        pTransmitKey,
-    IN  UINT             uNodeIndex,
-    IN  WORD             wCurrentRate,
+      PSDevice         pDevice,
+      BYTE             byPktType,
+      PBYTE            usbPacketBuf,
+      BOOL             bNeedEncryption,
+      UINT             uSkbPacketLen,
+      UINT             uDMAIdx,
+      PSEthernetHeader psEthHeader,
+      PBYTE            pPacket,
+      PSKeyItem        pTransmitKey,
+      UINT             uNodeIndex,
+      WORD             wCurrentRate,
     OUT UINT             *pcbHeaderLen,
     OUT UINT             *pcbTotalLen
     )
@@ -1858,14 +1858,14 @@ s_bPacketToWirelessUsb(
 
 VOID
 s_vGenerateMACHeader (
-    IN PSDevice         pDevice,
-    IN PBYTE            pbyBufferAddr,
-    IN WORD             wDuration,
-    IN PSEthernetHeader psEthHeader,
-    IN BOOL             bNeedEncrypt,
-    IN WORD             wFragType,
-    IN UINT             uDMAIdx,
-    IN UINT             uFragIdx
+     PSDevice         pDevice,
+     PBYTE            pbyBufferAddr,
+     WORD             wDuration,
+     PSEthernetHeader psEthHeader,
+     BOOL             bNeedEncrypt,
+     WORD             wFragType,
+     UINT             uDMAIdx,
+     UINT             uFragIdx
     )
 {
     PS802_11Header  pMACHeader = (PS802_11Header)pbyBufferAddr;
@@ -1958,8 +1958,8 @@ s_vGenerateMACHeader (
 -*/
 
 CMD_STATUS csMgmt_xmit(
-    IN  PSDevice pDevice,
-    IN  PSTxMgmtPacket pPacket
+      PSDevice pDevice,
+      PSTxMgmtPacket pPacket
     )
 {
     BYTE            byPktType;
@@ -2251,8 +2251,8 @@ CMD_STATUS csMgmt_xmit(
 
 CMD_STATUS
 csBeacon_xmit(
-    IN  PSDevice pDevice,
-    IN  PSTxMgmtPacket pPacket
+      PSDevice pDevice,
+      PSTxMgmtPacket pPacket
     )
 {
 
@@ -2750,9 +2750,9 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb) {
 
 NTSTATUS
 nsDMA_tx_packet(
-    IN  PSDevice pDevice,
-    IN  UINT    uDMAIdx,
-    IN  struct sk_buff *skb
+      PSDevice pDevice,
+      UINT    uDMAIdx,
+      struct sk_buff *skb
     )
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -3168,10 +3168,10 @@ nsDMA_tx_packet(
 
 BOOL
 bRelayPacketSend (
-    IN  PSDevice pDevice,
-    IN  PBYTE    pbySkbData,
-    IN  UINT     uDataLen,
-    IN  UINT     uNodeIndex
+      PSDevice pDevice,
+      PBYTE    pbySkbData,
+      UINT     uDataLen,
+      UINT     uNodeIndex
     )
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h
index 133f4752062..1160c0354f3 100644
--- a/drivers/staging/vt6656/rxtx.h
+++ b/drivers/staging/vt6656/rxtx.h
@@ -667,17 +667,17 @@ typedef struct tagSBEACON_BUFFER
 
 BOOL
 bPacketToWirelessUsb(
-    IN  PSDevice         pDevice,
-    IN  BYTE             byPktType,
-    IN  PBYTE            usbPacketBuf,
-    IN  BOOL             bNeedEncrypt,
-    IN  UINT             cbPayloadSize,
-    IN  UINT             uDMAIdx,
-    IN  PSEthernetHeader psEthHeader,
-    IN  PBYTE            pPacket,
-    IN  PSKeyItem        pTransmitKey,
-    IN  UINT             uNodeIndex,
-    IN  WORD             wCurrentRate,
+      PSDevice         pDevice,
+      BYTE             byPktType,
+      PBYTE            usbPacketBuf,
+      BOOL             bNeedEncrypt,
+      UINT             cbPayloadSize,
+      UINT             uDMAIdx,
+      PSEthernetHeader psEthHeader,
+      PBYTE            pPacket,
+      PSKeyItem        pTransmitKey,
+      UINT             uNodeIndex,
+      WORD             wCurrentRate,
     OUT UINT             *pcbHeaderLen,
     OUT UINT             *pcbTotalLen
     );
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 9ee3f436fc3..2365fa41139 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -37,10 +37,6 @@
 #define VOID            void
 #endif
 
-#ifndef IN
-#define IN
-#endif
-
 #ifndef OUT
 #define OUT
 #endif
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index cd1da33cff7..901c684b11e 100644
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -73,34 +73,34 @@ static int          msglevel                =MSG_LEVEL_INFO;
 static
 VOID
 s_nsInterruptUsbIoCompleteRead(
-    IN struct urb *urb
+     struct urb *urb
     );
 
 
 static
 VOID
 s_nsBulkInUsbIoCompleteRead(
-    IN struct urb *urb
+     struct urb *urb
     );
 
 
 static
 VOID
 s_nsBulkOutIoCompleteWrite(
-    IN struct urb *urb
+     struct urb *urb
     );
 
 
 static
 VOID
 s_nsControlInUsbIoCompleteRead(
-    IN struct urb *urb
+     struct urb *urb
     );
 
 static
 VOID
 s_nsControlInUsbIoCompleteWrite(
-    IN struct urb *urb
+     struct urb *urb
     );
 
 /*---------------------  Export Variables  --------------------------*/
@@ -111,12 +111,12 @@ s_nsControlInUsbIoCompleteWrite(
 
 NTSTATUS
 PIPEnsControlOutAsyn(
-    IN PSDevice     pDevice,
-    IN BYTE         byRequest,
-    IN WORD         wValue,
-    IN WORD         wIndex,
-    IN WORD         wLength,
-    IN PBYTE        pbyBuffer
+     PSDevice     pDevice,
+     BYTE         byRequest,
+     WORD         wValue,
+     WORD         wIndex,
+     WORD         wLength,
+     PBYTE        pbyBuffer
     )
 {
     NTSTATUS                ntStatus;
@@ -162,12 +162,12 @@ PIPEnsControlOutAsyn(
 
 NTSTATUS
 PIPEnsControlOut(
-    IN PSDevice     pDevice,
-    IN BYTE         byRequest,
-    IN WORD         wValue,
-    IN WORD         wIndex,
-    IN WORD         wLength,
-    IN PBYTE        pbyBuffer
+     PSDevice     pDevice,
+     BYTE         byRequest,
+     WORD         wValue,
+     WORD         wIndex,
+     WORD         wLength,
+     PBYTE        pbyBuffer
     )
 {
     NTSTATUS            ntStatus = 0;
@@ -224,12 +224,12 @@ PIPEnsControlOut(
 
 NTSTATUS
 PIPEnsControlIn(
-    IN PSDevice     pDevice,
-    IN BYTE         byRequest,
-    IN WORD         wValue,
-    IN WORD         wIndex,
-    IN WORD         wLength,
-    IN OUT  PBYTE   pbyBuffer
+     PSDevice     pDevice,
+     BYTE         byRequest,
+     WORD         wValue,
+     WORD         wIndex,
+     WORD         wLength,
+     OUT  PBYTE   pbyBuffer
     )
 {
     NTSTATUS            ntStatus = 0;
@@ -281,7 +281,7 @@ PIPEnsControlIn(
 static
 VOID
 s_nsControlInUsbIoCompleteWrite(
-    IN struct urb *urb
+     struct urb *urb
     )
 {
     PSDevice        pDevice;
@@ -322,7 +322,7 @@ s_nsControlInUsbIoCompleteWrite(
 static
 VOID
 s_nsControlInUsbIoCompleteRead(
-    IN struct urb *urb
+     struct urb *urb
     )
 {
     PSDevice        pDevice;
@@ -362,7 +362,7 @@ s_nsControlInUsbIoCompleteRead(
  */
 NTSTATUS
 PIPEnsInterruptRead(
-    IN PSDevice pDevice
+     PSDevice pDevice
     )
 {
     NTSTATUS            ntStatus = STATUS_FAILURE;
@@ -443,7 +443,7 @@ usb_fill_bulk_urb(pDevice->pInterruptURB,
 static
 VOID
 s_nsInterruptUsbIoCompleteRead(
-    IN struct urb *urb
+     struct urb *urb
     )
 
 {
@@ -543,8 +543,8 @@ s_nsInterruptUsbIoCompleteRead(
  */
 NTSTATUS
 PIPEnsBulkInUsbRead(
-    IN PSDevice pDevice,
-    IN PRCB     pRCB
+     PSDevice pDevice,
+     PRCB     pRCB
     )
 {
     NTSTATUS            ntStatus= 0;
@@ -608,7 +608,7 @@ PIPEnsBulkInUsbRead(
 static
 VOID
 s_nsBulkInUsbIoCompleteRead(
-    IN struct urb *urb
+     struct urb *urb
     )
 
 {
@@ -687,8 +687,8 @@ s_nsBulkInUsbIoCompleteRead(
  */
 NDIS_STATUS
 PIPEnsSendBulkOut(
-    IN  PSDevice pDevice,
-    IN  PUSB_SEND_CONTEXT pContext
+      PSDevice pDevice,
+      PUSB_SEND_CONTEXT pContext
     )
 {
     NTSTATUS            status;
@@ -768,7 +768,7 @@ PIPEnsSendBulkOut(
 static
 VOID
 s_nsBulkOutIoCompleteWrite(
-    IN struct urb *urb
+     struct urb *urb
     )
 {
     PSDevice            pDevice;
diff --git a/drivers/staging/vt6656/usbpipe.h b/drivers/staging/vt6656/usbpipe.h
index c422d1d0873..0f7cd2d10b9 100644
--- a/drivers/staging/vt6656/usbpipe.h
+++ b/drivers/staging/vt6656/usbpipe.h
@@ -43,34 +43,34 @@
 
 NTSTATUS
 PIPEnsControlOut(
-    IN PSDevice     pDevice,
-    IN BYTE         byRequest,
-    IN WORD         wValue,
-    IN WORD         wIndex,
-    IN WORD         wLength,
-    IN PBYTE        pbyBuffer
+     PSDevice     pDevice,
+     BYTE         byRequest,
+     WORD         wValue,
+     WORD         wIndex,
+     WORD         wLength,
+     PBYTE        pbyBuffer
     );
 
 
 
 NTSTATUS
 PIPEnsControlOutAsyn(
-    IN PSDevice     pDevice,
-    IN BYTE         byRequest,
-    IN WORD         wValue,
-    IN WORD         wIndex,
-    IN WORD         wLength,
-    IN PBYTE        pbyBuffer
+     PSDevice     pDevice,
+     BYTE         byRequest,
+     WORD         wValue,
+     WORD         wIndex,
+     WORD         wLength,
+     PBYTE        pbyBuffer
     );
 
 NTSTATUS
 PIPEnsControlIn(
-    IN PSDevice     pDevice,
-    IN BYTE         byRequest,
-    IN WORD         wValue,
-    IN WORD         wIndex,
-    IN WORD         wLength,
-    IN OUT  PBYTE   pbyBuffer
+     PSDevice     pDevice,
+     BYTE         byRequest,
+     WORD         wValue,
+     WORD         wIndex,
+     WORD         wLength,
+     OUT  PBYTE   pbyBuffer
     );
 
 
@@ -78,19 +78,19 @@ PIPEnsControlIn(
 
 NTSTATUS
 PIPEnsInterruptRead(
-    IN PSDevice pDevice
+     PSDevice pDevice
     );
 
 NTSTATUS
 PIPEnsBulkInUsbRead(
-    IN PSDevice pDevice,
-    IN PRCB     pRCB
+     PSDevice pDevice,
+     PRCB     pRCB
     );
 
 NTSTATUS
 PIPEnsSendBulkOut(
-    IN  PSDevice pDevice,
-    IN  PUSB_SEND_CONTEXT pContext
+      PSDevice pDevice,
+      PUSB_SEND_CONTEXT pContext
     );
 
 #endif // __USBPIPE_H__
diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
index 51b2dcfbab9..7e543396536 100644
--- a/drivers/staging/vt6656/wcmd.c
+++ b/drivers/staging/vt6656/wcmd.c
@@ -71,19 +71,19 @@ static int          msglevel                =MSG_LEVEL_INFO;
 static
 VOID
 s_vProbeChannel(
-    IN PSDevice pDevice
+     PSDevice pDevice
     );
 
 
 static
 PSTxMgmtPacket
 s_MgrMakeProbeRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pScanBSSID,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PBYTE pScanBSSID,
+     PWLAN_IE_SSID pSSID,
+     PWLAN_IE_SUPP_RATES pCurrRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 
@@ -96,7 +96,7 @@ s_bCommandComplete (
 
 static
 BOOL s_bClearBSSID_SCAN (
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 /*---------------------  Export Variables  --------------------------*/
@@ -212,7 +212,7 @@ vAdHocBeaconRestart(PSDevice pDevice)
 static
 VOID
 s_vProbeChannel(
-    IN PSDevice pDevice
+     PSDevice pDevice
     )
 {
                                                      //1M,   2M,   5M,   11M,  18M,  24M,  36M,  54M
@@ -275,12 +275,12 @@ s_vProbeChannel(
 
 PSTxMgmtPacket
 s_MgrMakeProbeRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pScanBSSID,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PBYTE pScanBSSID,
+     PWLAN_IE_SSID pSSID,
+     PWLAN_IE_SUPP_RATES pCurrRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
 
     )
 {
@@ -327,8 +327,8 @@ s_MgrMakeProbeRequest(
 
 VOID
 vCommandTimerWait(
-    IN HANDLE    hDeviceContext,
-    IN UINT MSecond
+     HANDLE    hDeviceContext,
+     UINT MSecond
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -347,7 +347,7 @@ vCommandTimerWait(
 
 VOID
 vRunCommand(
-    IN  HANDLE      hDeviceContext
+      HANDLE      hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1193,9 +1193,9 @@ s_bCommandComplete (
 }
 
 BOOL bScheduleCommand (
-    IN HANDLE hDeviceContext,
-    IN CMD_CODE    eCommand,
-    IN PBYTE       pbyItem0
+     HANDLE hDeviceContext,
+     CMD_CODE    eCommand,
+     PBYTE       pbyItem0
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1266,7 +1266,7 @@ BOOL bScheduleCommand (
  */
 static
 BOOL s_bClearBSSID_SCAN (
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1289,7 +1289,7 @@ BOOL s_bClearBSSID_SCAN (
 //mike add:reset command timer
 VOID
 vResetCommandTimer(
-    IN HANDLE      hDeviceContext
+     HANDLE      hDeviceContext
     )
 {
   PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1313,7 +1313,7 @@ vResetCommandTimer(
 #ifdef TxInSleep
 VOID
 BSSvSecondTxData(
-    IN  HANDLE      hDeviceContext
+      HANDLE      hDeviceContext
     )
 {
   PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6656/wcmd.h b/drivers/staging/vt6656/wcmd.h
index 90d672b462b..28c0aa559c9 100644
--- a/drivers/staging/vt6656/wcmd.h
+++ b/drivers/staging/vt6656/wcmd.h
@@ -118,19 +118,19 @@ typedef enum tagCMD_STATE {
 /*---------------------  Export Functions  --------------------------*/
 VOID
 vResetCommandTimer(
-    IN HANDLE      hDeviceContext
+     HANDLE      hDeviceContext
     );
 
 BOOL
 bScheduleCommand(
-    IN HANDLE      hDeviceContext,
-    IN CMD_CODE    eCommand,
-    IN PBYTE       pbyItem0
+     HANDLE      hDeviceContext,
+     CMD_CODE    eCommand,
+     PBYTE       pbyItem0
     );
 
 VOID
 vRunCommand(
-    IN  HANDLE      hDeviceContext
+      HANDLE      hDeviceContext
     );
 /*
 VOID
@@ -143,7 +143,7 @@ WCMDvCommandThread(
 #ifdef TxInSleep
 VOID
 BSSvSecondTxData(
-    IN  HANDLE      hDeviceContext
+      HANDLE      hDeviceContext
     );
 #endif
 
diff --git a/drivers/staging/vt6656/wmgr.c b/drivers/staging/vt6656/wmgr.c
index 9b4ff79912a..b93cb1d2bfb 100644
--- a/drivers/staging/vt6656/wmgr.c
+++ b/drivers/staging/vt6656/wmgr.c
@@ -94,110 +94,110 @@ static int          msglevel                =MSG_LEVEL_INFO;
 /*---------------------  Static Functions  --------------------------*/
 //2008-0730-01<Add>by MikeLiu
 static BOOL ChannelExceedZoneType(
-    IN PSDevice pDevice,
-    IN BYTE byCurrChannel
+     PSDevice pDevice,
+     BYTE byCurrChannel
     );
 
 // Association/diassociation functions
 static
 PSTxMgmtPacket
 s_MgrMakeAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pDAddr,
-    IN WORD wCurrCapInfo,
-    IN WORD wListenInterval,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PBYTE pDAddr,
+     WORD wCurrCapInfo,
+     WORD wListenInterval,
+     PWLAN_IE_SSID pCurrSSID,
+     PWLAN_IE_SUPP_RATES pCurrRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 static
 VOID
 s_vMgrRxAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN UINT  uNodeIndex
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket,
+     UINT  uNodeIndex
     );
 
 static
 PSTxMgmtPacket
 s_MgrMakeReAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pDAddr,
-    IN WORD wCurrCapInfo,
-    IN WORD wListenInterval,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PBYTE pDAddr,
+     WORD wCurrCapInfo,
+     WORD wListenInterval,
+     PWLAN_IE_SSID pCurrSSID,
+     PWLAN_IE_SUPP_RATES pCurrRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 static
 VOID
 s_vMgrRxAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN BOOL bReAssocType
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket,
+     BOOL bReAssocType
     );
 
 static
 VOID
 s_vMgrRxDisassociation(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     );
 
 // Authentication/deauthen functions
 static
 VOID
 s_vMgrRxAuthenSequence_1(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PWLAN_FR_AUTHEN pFrame
     );
 
 static
 VOID
 s_vMgrRxAuthenSequence_2(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PWLAN_FR_AUTHEN pFrame
     );
 
 static
 VOID
 s_vMgrRxAuthenSequence_3(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PWLAN_FR_AUTHEN pFrame
     );
 
 static
 VOID
 s_vMgrRxAuthenSequence_4(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PWLAN_FR_AUTHEN pFrame
     );
 
 static
 VOID
 s_vMgrRxAuthentication(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     );
 
 static
 VOID
 s_vMgrRxDeauthentication(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     );
 
 // Scan functions
@@ -205,49 +205,49 @@ s_vMgrRxDeauthentication(
 static
 VOID
 s_vMgrRxProbeRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     );
 
 static
 VOID
 s_vMgrRxProbeResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     );
 
 // beacon functions
 static
 VOID
 s_vMgrRxBeacon(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN BOOL bInScan
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket,
+     BOOL bInScan
     );
 
 static
 VOID
 s_vMgrFormatTIM(
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_IE_TIM pTIM
+     PSMgmtObject pMgmt,
+     PWLAN_IE_TIM pTIM
     );
 
 static
 PSTxMgmtPacket
 s_MgrMakeBeacon(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wCurrBeaconPeriod,
-    IN UINT uCurrChannel,
-    IN WORD wCurrATIMWinodw,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PBYTE pCurrBSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     WORD wCurrCapInfo,
+     WORD wCurrBeaconPeriod,
+     UINT uCurrChannel,
+     WORD wCurrATIMWinodw,
+     PWLAN_IE_SSID pCurrSSID,
+     PBYTE pCurrBSSID,
+     PWLAN_IE_SUPP_RATES pCurrSuppRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 
@@ -255,78 +255,78 @@ s_MgrMakeBeacon(
 static
 PSTxMgmtPacket
 s_MgrMakeAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wAssocStatus,
-    IN WORD wAssocAID,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     WORD wCurrCapInfo,
+     WORD wAssocStatus,
+     WORD wAssocAID,
+     PBYTE pDstAddr,
+     PWLAN_IE_SUPP_RATES pCurrSuppRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 // ReAssociation response
 static
 PSTxMgmtPacket
 s_MgrMakeReAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wAssocStatus,
-    IN WORD wAssocAID,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     WORD wCurrCapInfo,
+     WORD wAssocStatus,
+     WORD wAssocAID,
+     PBYTE pDstAddr,
+     PWLAN_IE_SUPP_RATES pCurrSuppRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 // Probe response
 static
 PSTxMgmtPacket
 s_MgrMakeProbeResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wCurrBeaconPeriod,
-    IN UINT uCurrChannel,
-    IN WORD wCurrATIMWinodw,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PBYTE pCurrBSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
-    IN BYTE byPHYType
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     WORD wCurrCapInfo,
+     WORD wCurrBeaconPeriod,
+     UINT uCurrChannel,
+     WORD wCurrATIMWinodw,
+     PBYTE pDstAddr,
+     PWLAN_IE_SSID pCurrSSID,
+     PBYTE pCurrBSSID,
+     PWLAN_IE_SUPP_RATES pCurrSuppRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
+     BYTE byPHYType
     );
 
 // received status
 static
 VOID
 s_vMgrLogStatus(
-    IN PSMgmtObject pMgmt,
-    IN WORD wStatus
+     PSMgmtObject pMgmt,
+     WORD wStatus
     );
 
 
 static
 VOID
 s_vMgrSynchBSS (
-    IN PSDevice      pDevice,
-    IN UINT          uBSSMode,
-    IN PKnownBSS     pCurr,
+     PSDevice      pDevice,
+     UINT          uBSSMode,
+     PKnownBSS     pCurr,
     OUT PCMD_STATUS  pStatus
     );
 
 
 static BOOL
 s_bCipherMatch (
-    IN PKnownBSS                        pBSSNode,
-    IN NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
+     PKnownBSS                        pBSSNode,
+     NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
     OUT PBYTE                           pbyCCSPK,
     OUT PBYTE                           pbyCCSGK
     );
 
  static VOID  Encyption_Rebuild(
-    IN PSDevice pDevice,
-    IN PKnownBSS pCurr
+     PSDevice pDevice,
+     PKnownBSS pCurr
  );
 
 
@@ -349,7 +349,7 @@ s_bCipherMatch (
 
 VOID
 vMgrObjectInit(
-    IN  HANDLE hDeviceContext
+      HANDLE hDeviceContext
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -417,8 +417,8 @@ vMgrObjectInit(
 
 VOID
 vMgrAssocBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -493,8 +493,8 @@ vMgrAssocBeginSta(
 
 VOID
 vMgrReAssocBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -572,10 +572,10 @@ vMgrReAssocBeginSta(
 
 VOID
 vMgrDisassocBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt,
-    IN  PBYTE  abyDestAddress,
-    IN  WORD    wReason,
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt,
+      PBYTE  abyDestAddress,
+      WORD    wReason,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -635,10 +635,10 @@ vMgrDisassocBeginSta(
 static
 VOID
 s_vMgrRxAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN UINT uNodeIndex
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket,
+     UINT uNodeIndex
     )
 {
     WLAN_FR_ASSOCREQ    sFrame;
@@ -791,10 +791,10 @@ s_vMgrRxAssocRequest(
 static
 VOID
 s_vMgrRxReAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN UINT uNodeIndex
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket,
+     UINT uNodeIndex
     )
 {
     WLAN_FR_REASSOCREQ    sFrame;
@@ -938,10 +938,10 @@ s_vMgrRxReAssocRequest(
 static
 VOID
 s_vMgrRxAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN BOOL bReAssocType
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket,
+     BOOL bReAssocType
     )
 {
     WLAN_FR_ASSOCRESP   sFrame;
@@ -1104,8 +1104,8 @@ if(pMgmt->eCurrState == WMAC_STATE_ASSOC)
 
 VOID
 vMgrAuthenBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject  pMgmt,
+      HANDLE hDeviceContext,
+      PSMgmtObject  pMgmt,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -1162,10 +1162,10 @@ vMgrAuthenBeginSta(
 
 VOID
 vMgrDeAuthenBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject  pMgmt,
-    IN  PBYTE  abyDestAddress,
-    IN  WORD    wReason,
+      HANDLE hDeviceContext,
+      PSMgmtObject  pMgmt,
+      PBYTE  abyDestAddress,
+      WORD    wReason,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -1219,9 +1219,9 @@ vMgrDeAuthenBeginSta(
 static
 VOID
 s_vMgrRxAuthentication(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     )
 {
     WLAN_FR_AUTHEN  sFrame;
@@ -1277,9 +1277,9 @@ s_vMgrRxAuthentication(
 static
 VOID
 s_vMgrRxAuthenSequence_1(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PWLAN_FR_AUTHEN pFrame
      )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -1383,9 +1383,9 @@ s_vMgrRxAuthenSequence_1(
 static
 VOID
 s_vMgrRxAuthenSequence_2(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PWLAN_FR_AUTHEN pFrame
     )
 {
     WLAN_FR_AUTHEN      sFrame;
@@ -1485,9 +1485,9 @@ s_vMgrRxAuthenSequence_2(
 static
 VOID
 s_vMgrRxAuthenSequence_3(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PWLAN_FR_AUTHEN pFrame
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -1573,9 +1573,9 @@ reply:
 static
 VOID
 s_vMgrRxAuthenSequence_4(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PWLAN_FR_AUTHEN pFrame
     )
 {
 
@@ -1612,9 +1612,9 @@ s_vMgrRxAuthenSequence_4(
 static
 VOID
 s_vMgrRxDisassociation(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     )
 {
     WLAN_FR_DISASSOC    sFrame;
@@ -1702,9 +1702,9 @@ s_vMgrRxDisassociation(
 static
 VOID
 s_vMgrRxDeauthentication(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     )
 {
     WLAN_FR_DEAUTHEN    sFrame;
@@ -1791,8 +1791,8 @@ s_vMgrRxDeauthentication(
 -*/
 static BOOL
 ChannelExceedZoneType(
-    IN PSDevice pDevice,
-    IN BYTE byCurrChannel
+     PSDevice pDevice,
+     BYTE byCurrChannel
     )
 {
   BOOL exceed=FALSE;
@@ -1828,10 +1828,10 @@ ChannelExceedZoneType(
 static
 VOID
 s_vMgrRxBeacon(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN BOOL bInScan
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket,
+     BOOL bInScan
     )
 {
 
@@ -2357,7 +2357,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 -*/
 VOID
 vMgrCreateOwnIBSS(
-    IN  HANDLE hDeviceContext,
+      HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -2631,7 +2631,7 @@ vMgrCreateOwnIBSS(
 
 VOID
 vMgrJoinBSSBegin(
-    IN  HANDLE hDeviceContext,
+      HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -2962,9 +2962,9 @@ vMgrJoinBSSBegin(
 static
 VOID
 s_vMgrSynchBSS (
-    IN PSDevice      pDevice,
-    IN UINT          uBSSMode,
-    IN PKnownBSS     pCurr,
+     PSDevice      pDevice,
+     UINT          uBSSMode,
+     PKnownBSS     pCurr,
     OUT PCMD_STATUS  pStatus
     )
 {
@@ -3123,8 +3123,8 @@ s_vMgrSynchBSS (
 //mike add: fix NetworkManager 0.7.0 hidden ssid mode in WPA encryption
 //                   ,need reset eAuthenMode and eEncryptionStatus
  static VOID  Encyption_Rebuild(
-    IN PSDevice pDevice,
-    IN PKnownBSS pCurr
+     PSDevice pDevice,
+     PKnownBSS pCurr
  )
  {
   PSMgmtObject  pMgmt = &(pDevice->sMgmtObj);
@@ -3181,8 +3181,8 @@ s_vMgrSynchBSS (
 static
 VOID
 s_vMgrFormatTIM(
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_IE_TIM pTIM
+     PSMgmtObject pMgmt,
+     PWLAN_IE_TIM pTIM
     )
 {
     BYTE        byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
@@ -3256,16 +3256,16 @@ s_vMgrFormatTIM(
 static
 PSTxMgmtPacket
 s_MgrMakeBeacon(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wCurrBeaconPeriod,
-    IN UINT uCurrChannel,
-    IN WORD wCurrATIMWinodw,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PBYTE pCurrBSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     WORD wCurrCapInfo,
+     WORD wCurrBeaconPeriod,
+     UINT uCurrChannel,
+     WORD wCurrATIMWinodw,
+     PWLAN_IE_SSID pCurrSSID,
+     PBYTE pCurrBSSID,
+     PWLAN_IE_SUPP_RATES pCurrSuppRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -3430,18 +3430,18 @@ s_MgrMakeBeacon(
 
 PSTxMgmtPacket
 s_MgrMakeProbeResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wCurrBeaconPeriod,
-    IN UINT uCurrChannel,
-    IN WORD wCurrATIMWinodw,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PBYTE pCurrBSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
-    IN BYTE byPHYType
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     WORD wCurrCapInfo,
+     WORD wCurrBeaconPeriod,
+     UINT uCurrChannel,
+     WORD wCurrATIMWinodw,
+     PBYTE pDstAddr,
+     PWLAN_IE_SSID pCurrSSID,
+     PBYTE pCurrBSSID,
+     PWLAN_IE_SUPP_RATES pCurrSuppRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
+     BYTE byPHYType
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -3562,14 +3562,14 @@ s_MgrMakeProbeResponse(
 
 PSTxMgmtPacket
 s_MgrMakeAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pDAddr,
-    IN WORD wCurrCapInfo,
-    IN WORD wListenInterval,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PBYTE pDAddr,
+     WORD wCurrCapInfo,
+     WORD wListenInterval,
+     PWLAN_IE_SSID pCurrSSID,
+     PWLAN_IE_SUPP_RATES pCurrRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -3824,14 +3824,14 @@ s_MgrMakeAssocRequest(
 
 PSTxMgmtPacket
 s_MgrMakeReAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pDAddr,
-    IN WORD wCurrCapInfo,
-    IN WORD wListenInterval,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PBYTE pDAddr,
+     WORD wCurrCapInfo,
+     WORD wListenInterval,
+     PWLAN_IE_SSID pCurrSSID,
+     PWLAN_IE_SUPP_RATES pCurrRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -4078,14 +4078,14 @@ s_MgrMakeReAssocRequest(
 
 PSTxMgmtPacket
 s_MgrMakeAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wAssocStatus,
-    IN WORD wAssocAID,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     WORD wCurrCapInfo,
+     WORD wAssocStatus,
+     WORD wAssocAID,
+     PBYTE pDstAddr,
+     PWLAN_IE_SUPP_RATES pCurrSuppRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -4152,14 +4152,14 @@ s_MgrMakeAssocResponse(
 
 PSTxMgmtPacket
 s_MgrMakeReAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wAssocStatus,
-    IN WORD wAssocAID,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     WORD wCurrCapInfo,
+     WORD wAssocStatus,
+     WORD wAssocAID,
+     PBYTE pDstAddr,
+     PWLAN_IE_SUPP_RATES pCurrSuppRates,
+     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -4226,9 +4226,9 @@ s_MgrMakeReAssocResponse(
 static
 VOID
 s_vMgrRxProbeResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     )
 {
     PKnownBSS           pBSSList = NULL;
@@ -4356,9 +4356,9 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 static
 VOID
 s_vMgrRxProbeRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+     PSDevice pDevice,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
     )
 {
     WLAN_FR_PROBEREQ    sFrame;
@@ -4452,9 +4452,9 @@ s_vMgrRxProbeRequest(
 
 VOID
 vMgrRxManagePacket(
-    IN  HANDLE hDeviceContext,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+      HANDLE hDeviceContext,
+     PSMgmtObject pMgmt,
+     PSRxMgmtPacket pRxPacket
      )
 {
     PSDevice    pDevice = (PSDevice)hDeviceContext;
@@ -4604,8 +4604,8 @@ vMgrRxManagePacket(
 -*/
 BOOL
 bMgrPrepareBeaconToSend(
-    IN HANDLE hDeviceContext,
-    IN PSMgmtObject pMgmt
+     HANDLE hDeviceContext,
+     PSMgmtObject pMgmt
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -4660,8 +4660,8 @@ bMgrPrepareBeaconToSend(
 static
 VOID
 s_vMgrLogStatus(
-    IN PSMgmtObject pMgmt,
-    IN WORD  wStatus
+     PSMgmtObject pMgmt,
+     WORD  wStatus
     )
 {
     switch( wStatus ){
@@ -4729,9 +4729,9 @@ s_vMgrLogStatus(
 -*/
 BOOL
 bAdd_PMKID_Candidate (
-    IN HANDLE    hDeviceContext,
-    IN PBYTE          pbyBSSID,
-    IN PSRSNCapObject psRSNCapObj
+     HANDLE    hDeviceContext,
+     PBYTE          pbyBSSID,
+     PSRSNCapObject psRSNCapObj
     )
 {
     PSDevice         pDevice = (PSDevice)hDeviceContext;
@@ -4793,7 +4793,7 @@ bAdd_PMKID_Candidate (
 -*/
 VOID
 vFlush_PMKID_Candidate (
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -4806,8 +4806,8 @@ vFlush_PMKID_Candidate (
 
 static BOOL
 s_bCipherMatch (
-    IN PKnownBSS                        pBSSNode,
-    IN NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
+     PKnownBSS                        pBSSNode,
+     NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
     OUT PBYTE                           pbyCCSPK,
     OUT PBYTE                           pbyCCSGK
     )
diff --git a/drivers/staging/vt6656/wmgr.h b/drivers/staging/vt6656/wmgr.h
index c682a7fcbef..f6774cedacf 100644
--- a/drivers/staging/vt6656/wmgr.h
+++ b/drivers/staging/vt6656/wmgr.h
@@ -410,93 +410,93 @@ typedef struct tagSMgmtObject
 
 void
 vMgrObjectInit(
-    IN  HANDLE hDeviceContext
+      HANDLE hDeviceContext
     );
 
 
 void
 vMgrAssocBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 VOID
 vMgrReAssocBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 VOID
 vMgrDisassocBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt,
-    IN  PBYTE  abyDestAddress,
-    IN  WORD    wReason,
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt,
+      PBYTE  abyDestAddress,
+      WORD    wReason,
     OUT PCMD_STATUS pStatus
     );
 
 VOID
 vMgrAuthenBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 VOID
 vMgrCreateOwnIBSS(
-    IN  HANDLE hDeviceContext,
+      HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
 VOID
 vMgrJoinBSSBegin(
-    IN  HANDLE hDeviceContext,
+      HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
 VOID
 vMgrRxManagePacket(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt,
-    IN  PSRxMgmtPacket pRxPacket
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt,
+      PSRxMgmtPacket pRxPacket
     );
 
 /*
 VOID
 vMgrScanBegin(
-    IN  HANDLE hDeviceContext,
+      HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 */
 
 VOID
 vMgrDeAuthenBeginSta(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject  pMgmt,
-    IN  PBYTE   abyDestAddress,
-    IN  WORD    wReason,
+      HANDLE hDeviceContext,
+      PSMgmtObject  pMgmt,
+      PBYTE   abyDestAddress,
+      WORD    wReason,
     OUT PCMD_STATUS pStatus
     );
 
 BOOL
 bMgrPrepareBeaconToSend(
-    IN  HANDLE hDeviceContext,
-    IN  PSMgmtObject pMgmt
+      HANDLE hDeviceContext,
+      PSMgmtObject pMgmt
     );
 
 
 BOOL
 bAdd_PMKID_Candidate (
-    IN HANDLE    hDeviceContext,
-    IN PBYTE          pbyBSSID,
-    IN PSRSNCapObject psRSNCapObj
+     HANDLE    hDeviceContext,
+     PBYTE          pbyBSSID,
+     PSRSNCapObject psRSNCapObj
     );
 
 VOID
 vFlush_PMKID_Candidate (
-    IN HANDLE hDeviceContext
+     HANDLE hDeviceContext
     );
 
 #endif // __WMGR_H__
diff --git a/drivers/staging/vt6656/wpa.c b/drivers/staging/vt6656/wpa.c
index 5da671418b5..9992291ab22 100644
--- a/drivers/staging/vt6656/wpa.c
+++ b/drivers/staging/vt6656/wpa.c
@@ -70,7 +70,7 @@ const BYTE abyOUI05[4] = { 0x00, 0x50, 0xf2, 0x05 };
 
 VOID
 WPA_ClearRSN (
-    IN PKnownBSS        pBSSList
+     PKnownBSS        pBSSList
     )
 {
     int ii;
@@ -106,8 +106,8 @@ WPA_ClearRSN (
 -*/
 VOID
 WPA_ParseRSN (
-    IN PKnownBSS        pBSSList,
-    IN PWLAN_IE_RSN_EXT pRSN
+     PKnownBSS        pBSSList,
+     PWLAN_IE_RSN_EXT pRSN
     )
 {
     PWLAN_IE_RSN_AUTH  pIE_RSN_Auth = NULL;
@@ -241,7 +241,7 @@ BOOL
 WPA_SearchRSN (
     BYTE                byCmd,
     BYTE                byEncrypt,
-    IN PKnownBSS        pBSSList
+     PKnownBSS        pBSSList
     )
 {
     int ii;
@@ -299,7 +299,7 @@ WPA_SearchRSN (
 -*/
 BOOL
 WPAb_Is_RSN (
-    IN PWLAN_IE_RSN_EXT pRSN
+     PWLAN_IE_RSN_EXT pRSN
     )
 {
     if (pRSN == NULL)
diff --git a/drivers/staging/vt6656/wpa.h b/drivers/staging/vt6656/wpa.h
index 9d9ce01d0c6..0a955b3200f 100644
--- a/drivers/staging/vt6656/wpa.h
+++ b/drivers/staging/vt6656/wpa.h
@@ -60,25 +60,25 @@
 
 VOID
 WPA_ClearRSN(
-    IN PKnownBSS        pBSSList
+     PKnownBSS        pBSSList
     );
 
 VOID
 WPA_ParseRSN(
-    IN PKnownBSS        pBSSList,
-    IN PWLAN_IE_RSN_EXT pRSN
+     PKnownBSS        pBSSList,
+     PWLAN_IE_RSN_EXT pRSN
     );
 
 BOOL
 WPA_SearchRSN(
     BYTE                byCmd,
     BYTE                byEncrypt,
-    IN PKnownBSS        pBSSList
+     PKnownBSS        pBSSList
     );
 
 BOOL
 WPAb_Is_RSN(
-    IN PWLAN_IE_RSN_EXT pRSN
+     PWLAN_IE_RSN_EXT pRSN
     );
 
 #endif // __WPA_H__
diff --git a/drivers/staging/vt6656/wpa2.c b/drivers/staging/vt6656/wpa2.c
index f8be30df69c..9a972a4f643 100644
--- a/drivers/staging/vt6656/wpa2.c
+++ b/drivers/staging/vt6656/wpa2.c
@@ -73,7 +73,7 @@ const BYTE abyOUIPSK[4]     = { 0x00, 0x0F, 0xAC, 0x02 };
 -*/
 VOID
 WPA2_ClearRSN (
-    IN PKnownBSS        pBSSNode
+     PKnownBSS        pBSSNode
     )
 {
     int ii;
@@ -108,8 +108,8 @@ WPA2_ClearRSN (
 -*/
 VOID
 WPA2vParseRSN (
-    IN PKnownBSS        pBSSNode,
-    IN PWLAN_IE_RSN     pRSN
+     PKnownBSS        pBSSNode,
+     PWLAN_IE_RSN     pRSN
     )
 {
     int                 i, j;
@@ -262,7 +262,7 @@ WPA2vParseRSN (
 -*/
 UINT
 WPA2uSetIEs(
-    IN PVOID pMgmtHandle,
+     PVOID pMgmtHandle,
     OUT PWLAN_IE_RSN pRSNIEs
     )
 {
diff --git a/drivers/staging/vt6656/wpa2.h b/drivers/staging/vt6656/wpa2.h
index e553b386900..51fb3fd8b65 100644
--- a/drivers/staging/vt6656/wpa2.h
+++ b/drivers/staging/vt6656/wpa2.h
@@ -60,18 +60,18 @@ typedef struct tagSPMKIDCache {
 
 VOID
 WPA2_ClearRSN (
-    IN PKnownBSS        pBSSNode
+     PKnownBSS        pBSSNode
     );
 
 VOID
 WPA2vParseRSN (
-    IN PKnownBSS        pBSSNode,
-    IN PWLAN_IE_RSN     pRSN
+     PKnownBSS        pBSSNode,
+     PWLAN_IE_RSN     pRSN
     );
 
 UINT
 WPA2uSetIEs(
-    IN PVOID pMgmtHandle,
+     PVOID pMgmtHandle,
     OUT PWLAN_IE_RSN pRSNIEs
     );
 

From bebdf809eecd4da4b6c3d419c4ce0ccd17b2f90f Mon Sep 17 00:00:00 2001
From: Yong Wang <yong.y.wang@linux.intel.com>
Date: Fri, 23 Apr 2010 16:26:42 +0800
Subject: [PATCH 1055/3638] Staging: rtl8192e: Use the standard config option
 for PM functions

Use the standard config option CONFIG_PM to enable rtl8192e PM
functions. Tested on Samsung N140 and it works fine. Without enabling
the PM functions, the box always fails to resume.

Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192e/Makefile      | 1 +
 drivers/staging/rtl8192e/r8192E_core.c | 4 ++--
 drivers/staging/rtl8192e/r8192_pm.c    | 6 ++----
 drivers/staging/rtl8192e/r8192_pm.h    | 4 ----
 4 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/rtl8192e/Makefile b/drivers/staging/rtl8192e/Makefile
index e032c3e1e86..41cb4d3d626 100644
--- a/drivers/staging/rtl8192e/Makefile
+++ b/drivers/staging/rtl8192e/Makefile
@@ -18,6 +18,7 @@ r8192e_pci-objs :=		\
 	r819xE_firmware.o	\
 	r819xE_cmdpkt.o		\
 	r8192E_dm.o		\
+	r8192_pm.o		\
 	ieee80211/ieee80211_rx.o		\
 	ieee80211/ieee80211_softmac.o		\
 	ieee80211/ieee80211_tx.o		\
diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c
index 0b0506d2292..604c691d64b 100644
--- a/drivers/staging/rtl8192e/r8192E_core.c
+++ b/drivers/staging/rtl8192e/r8192E_core.c
@@ -62,7 +62,7 @@
 //#include <linux/usb.h>
 // FIXME: check if 2.6.7 is ok
 
-#ifdef CONFIG_PM_RTL
+#ifdef CONFIG_PM
 #include "r8192_pm.h"
 #endif
 
@@ -146,7 +146,7 @@ static struct pci_driver rtl8192_pci_driver = {
 	.id_table	= rtl8192_pci_id_tbl,	          /* PCI_ID table  */
 	.probe		= rtl8192_pci_probe,	          /* probe fn      */
 	.remove		= __devexit_p(rtl8192_pci_disconnect),	  /* remove fn     */
-#ifdef CONFIG_PM_RTL
+#ifdef CONFIG_PM
 	.suspend	= rtl8192E_suspend,	          /* PM suspend fn */
 	.resume		= rtl8192E_resume,                 /* PM resume fn  */
 #else
diff --git a/drivers/staging/rtl8192e/r8192_pm.c b/drivers/staging/rtl8192e/r8192_pm.c
index feef29b0a89..521d49f8f8e 100644
--- a/drivers/staging/rtl8192e/r8192_pm.c
+++ b/drivers/staging/rtl8192e/r8192_pm.c
@@ -9,8 +9,6 @@
    Released under the terms of GPL (General Public Licence)
 */
 
-#ifdef CONFIG_PM_RTL
-
 #include "r8192E.h"
 #include "r8192E_hw.h"
 #include "r8192_pm.h"
@@ -27,7 +25,9 @@ int rtl8192E_suspend (struct pci_dev *pdev, pm_message_t state)
 {
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct r8192_priv *priv = ieee80211_priv(dev);
+#ifdef RTL8190P
 	u8	ucRegRead;
+#endif
 	u32	ulRegRead;
 
         RT_TRACE(COMP_POWER, "============> r8192E suspend call.\n");
@@ -168,5 +168,3 @@ int rtl8192E_enable_wake (struct pci_dev *dev, pm_message_t state, int enable)
 	       state.event, enable);
 	return(-EAGAIN);
 }
-
-#endif //CONFIG_PM_RTL
diff --git a/drivers/staging/rtl8192e/r8192_pm.h b/drivers/staging/rtl8192e/r8192_pm.h
index 68d292b1d86..4da9b464b41 100644
--- a/drivers/staging/rtl8192e/r8192_pm.h
+++ b/drivers/staging/rtl8192e/r8192_pm.h
@@ -10,8 +10,6 @@
 
 */
 
-#ifdef CONFIG_PM_RTL
-
 #ifndef R8192E_PM_H
 #define R8192E_PM_H
 
@@ -24,5 +22,3 @@ int rtl8192E_resume (struct pci_dev *dev);
 int rtl8192E_enable_wake (struct pci_dev *dev, pm_message_t state, int enable);
 
 #endif //R8192E_PM_H
-
-#endif // CONFIG_PM_RTL

From 3c034cce822d7422566e838de71ed99e024d5f2d Mon Sep 17 00:00:00 2001
From: matthias <mensch0815@googlemail.com>
Date: Thu, 29 Apr 2010 17:05:56 +0200
Subject: [PATCH 1056/3638] Staging: add driver for adis16255 gyroscope

This drivers allows a communication with the Analog Devices ADIS16255
Low Power Gyroscope over SPI.

Signed-off-by: Matthias Brugger <mensch0815@gmail.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/adis16255/Kconfig     |   9 +
 drivers/staging/adis16255/Makefile    |   1 +
 drivers/staging/adis16255/TODO        |   8 +
 drivers/staging/adis16255/adis16255.c | 396 ++++++++++++++++++++++++++
 drivers/staging/adis16255/adis16255.h |  12 +
 5 files changed, 426 insertions(+)
 create mode 100644 drivers/staging/adis16255/Kconfig
 create mode 100644 drivers/staging/adis16255/Makefile
 create mode 100644 drivers/staging/adis16255/TODO
 create mode 100644 drivers/staging/adis16255/adis16255.c
 create mode 100644 drivers/staging/adis16255/adis16255.h

diff --git a/drivers/staging/adis16255/Kconfig b/drivers/staging/adis16255/Kconfig
new file mode 100644
index 00000000000..3952cf95b78
--- /dev/null
+++ b/drivers/staging/adis16255/Kconfig
@@ -0,0 +1,9 @@
+config ADIS16255
+	tristate "Ananlog Devices ADIS16250/16255"
+	depends on SPI && SYSFS
+	---help---
+      If you say yes here you get support for the Analog Devices
+      ADIS16250/16255 Low Power Gyroscope.
+
+      This driver can also be built as a module. If so, the module
+      will be called adis16255.
diff --git a/drivers/staging/adis16255/Makefile b/drivers/staging/adis16255/Makefile
new file mode 100644
index 00000000000..3f8b1f06b19
--- /dev/null
+++ b/drivers/staging/adis16255/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_ADIS16255) +�dis16255.o
diff --git a/drivers/staging/adis16255/TODO b/drivers/staging/adis16255/TODO
new file mode 100644
index 00000000000..31e4ac3bdb6
--- /dev/null
+++ b/drivers/staging/adis16255/TODO
@@ -0,0 +1,8 @@
+* sample rate changeable or at least readable from sysfs
+* reset gyroscope
+* encapsulate adis_init and adis_turn_off
+* AD_CHK deletion
+* chip selftest in adis_init
+* reduce kernel messages to reasonable amount
+
+Contact: Matthias Brugger <mensch0815@gmail.com>
diff --git a/drivers/staging/adis16255/adis16255.c b/drivers/staging/adis16255/adis16255.c
new file mode 100644
index 00000000000..8d110692a03
--- /dev/null
+++ b/drivers/staging/adis16255/adis16255.c
@@ -0,0 +1,396 @@
+/*
+ * Analog Devices ADIS16250/ADIS16255 Low Power Gyroscope
+ *
+ * Written by: Matthias Brugger <m_brugger@web.de>
+ *
+ * Copyright (C) 2010 Fraunhofer Institute for Integrated Circuits
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+
+#include <linux/interrupt.h>
+#include <linux/sysfs.h>
+#include <linux/stat.h>
+#include <linux/delay.h>
+
+#include <linux/gpio.h>
+
+#include <linux/spi/spi.h>
+#include <linux/workqueue.h>
+
+#include "adis16255.h"
+
+#define ADIS_STATUS        0x3d
+#define ADIS_SMPL_PRD_MSB  0x37
+#define ADIS_SMPL_PRD_LSB  0x36
+#define ADIS_MSC_CTRL_MSB  0x35
+#define ADIS_MSC_CTRL_LSB  0x34
+#define ADIS_GPIO_CTRL     0x33
+#define ADIS_ALM_SMPL1     0x25
+#define ADIS_ALM_MAG1      0x21
+#define ADIS_GYRO_SCALE    0x17
+#define ADIS_GYRO_OUT      0x05
+#define ADIS_SUPPLY_OUT    0x03
+#define ADIS_ENDURANCE     0x01
+
+/*
+ * data structure for every sensor
+ *
+ * @dev:       Driver model representation of the device.
+ * @spi:       Pointer to the spi device which will manage i/o to spi bus.
+ * @data:      Last read data from device.
+ * @irq_adis:  GPIO Number of IRQ signal
+ * @irq:       irq line manage by kernel
+ * @negative:  indicates if sensor is upside down (negative �1)
+ * @direction: indicates axis (x, y, z) the sensor is meassuring
+ */
+struct spi_adis16255_data {
+	struct device dev;
+	struct spi_device *spi;
+	s16 data;
+	int irq_adis;
+	int irq;
+	u8 negative;
+	char direction;
+};
+
+/*-------------------------------------------------------------------------*/
+
+static int spi_adis16255_read_data(struct spi_adis16255_data *spiadis,
+					u8 adr,
+					u8 *rbuf)
+{
+	struct spi_device *spi �piadis->spi;
+	struct spi_message msg;
+	struct spi_transfer xfer1, xfer2;
+	u8 *buf, *rx;
+	int ret;
+
+	buf �malloc(4, GFP_KERNEL);
+	if (buf �NULL)
+		return -ENOMEM;
+
+	rx �zalloc(4, GFP_KERNEL);
+	if (rx �NULL) {
+		ret �ENOMEM;
+		goto err_buf;
+	}
+
+	buf[0] �dr;
+	buf[1] �x00;
+	buf[2] �x00;
+	buf[3] �x00;
+
+	spi_message_init(&msg);
+	memset(&xfer1, 0, sizeof(xfer1));
+	memset(&xfer2, 0, sizeof(xfer2));
+
+	xfer1.tx_buf �uf;
+	xfer1.rx_buf �uf + 2;
+	xfer1.len �;
+	xfer1.delay_usecs �;
+
+	xfer2.tx_buf �x + 2;
+	xfer2.rx_buf �x;
+	xfer2.len �;
+
+	spi_message_add_tail(&xfer1, &msg);
+	spi_message_add_tail(&xfer2, &msg);
+
+	ret �pi_sync(spi, &msg);
+	if (ret �0) {
+		rbuf[0] �x[0];
+		rbuf[1] �x[1];
+	}
+
+	kfree(rx);
+err_buf:
+	kfree(buf);
+
+	return ret;
+}
+
+static int spi_adis16255_write_data(struct spi_adis16255_data *spiadis,
+					u8 adr1,
+					u8 adr2,
+					u8 *wbuf)
+{
+	struct spi_device *spi �piadis->spi;
+	struct spi_message   msg;
+	struct spi_transfer  xfer1, xfer2;
+	u8       *buf, *rx;
+	int         ret;
+
+	buf �malloc(4, GFP_KERNEL);
+	if (buf �NULL)
+		return -ENOMEM;
+
+	rx �zalloc(4, GFP_KERNEL);
+	if (rx �NULL) {
+		ret �ENOMEM;
+		goto err_buf;
+	}
+
+	spi_message_init(&msg);
+	memset(&xfer1, 0, sizeof(xfer1));
+	memset(&xfer2, 0, sizeof(xfer2));
+
+	buf[0] �dr1 | 0x80;
+	buf[1] �wbuf;
+
+	buf[2] �dr2 | 0x80;
+	buf[3] �(wbuf + 1);
+
+	xfer1.tx_buf �uf;
+	xfer1.rx_buf �x;
+	xfer1.len �;
+	xfer1.delay_usecs �;
+
+	xfer2.tx_buf �uf+2;
+	xfer2.rx_buf �x+2;
+	xfer2.len �;
+
+	spi_message_add_tail(&xfer1, &msg);
+	spi_message_add_tail(&xfer2, &msg);
+
+	ret �pi_sync(spi, &msg);
+	if (ret !�)
+		dev_warn(&spi->dev, "wirte data to %#x %#x failed\n",
+				buf[0], buf[2]);
+
+	kfree(rx);
+err_buf:
+	kfree(buf);
+	return ret;
+}
+
+/*-------------------------------------------------------------------------*/
+
+static irqreturn_t adis_irq_thread(int irq, void *dev_id)
+{
+	struct spi_adis16255_data *spiadis �ev_id;
+	int status;
+	u16 value;
+
+	status �spi_adis16255_read_data(spiadis, ADIS_GYRO_OUT, (u8 *)&value);
+	if (status �0) {
+		/* perform on new data only... */
+		if (value & 0x8000) {
+			/* delete error and new data bit */
+			value �alue & 0x3fff;
+			/* set negative value */
+			if (value & 0x2000)
+				value �alue | 0xe000;
+
+			if (likely(spiadis->negative))
+				value �value;
+
+			spiadis->data �s16) value;
+		}
+	} else {
+		dev_warn(&spiadis->spi->dev, "SPI FAILED\n");
+	}
+
+	return IRQ_HANDLED;
+}
+
+/*-------------------------------------------------------------------------*/
+
+ssize_t adis16255_show_data(struct device *device,
+		struct device_attribute *da,
+		char *buf)
+{
+	struct spi_adis16255_data *spiadis �ev_get_drvdata(device);
+	return snprintf(buf, PAGE_SIZE, "%d\n", spiadis->data);
+}
+DEVICE_ATTR(data, S_IRUGO , adis16255_show_data, NULL);
+
+ssize_t adis16255_show_direction(struct device *device,
+		struct device_attribute *da,
+		char *buf)
+{
+	struct spi_adis16255_data *spiadis �ev_get_drvdata(device);
+	return snprintf(buf, PAGE_SIZE, "%c\n", spiadis->direction);
+}
+DEVICE_ATTR(direction, S_IRUGO , adis16255_show_direction, NULL);
+
+static struct attribute *adis16255_attributes[] �
+	&dev_attr_data.attr,
+	&dev_attr_direction.attr,
+	NULL
+};
+
+static const struct attribute_group adis16255_attr_group �
+	.attrs �dis16255_attributes,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static int spi_adis16255_probe(struct spi_device *spi)
+{
+
+#define AD_CHK(_ss)\
+	do {\
+		status �ss;\
+		if (status !�)\
+			goto irq_err;\
+	} while (0);
+
+	struct adis16255_init_data *init_data �pi->dev.platform_data;
+	struct spi_adis16255_data  *spiadis;
+	int status �;
+	u16 value;
+
+	spiadis �zalloc(sizeof(*spiadis), GFP_KERNEL);
+	if (!spiadis)
+		return -ENOMEM;
+
+	spiadis->spi �pi;
+	spiadis->irq_adis �nit_data->irq;
+	spiadis->direction �nit_data->direction;
+
+	if (init_data->negative)
+		spiadis->negative �;
+
+	status �pio_request(spiadis->irq_adis, "adis16255");
+	if (status !�)
+		goto err;
+
+	status �pio_direction_input(spiadis->irq_adis);
+	if (status !�)
+		goto gpio_err;
+
+	spiadis->irq �pio_to_irq(spiadis->irq_adis);
+
+	status �equest_threaded_irq(spiadis->irq,
+			NULL, adis_irq_thread,
+			IRQF_DISABLED, "adis-driver", spiadis);
+
+	if (status !�) {
+		dev_err(&spi->dev, "IRQ request failed\n");
+		goto gpio_err;
+	}
+
+	dev_dbg(&spi->dev, "GPIO %d IRQ %d\n", spiadis->irq_adis, spiadis->irq);
+
+	dev_set_drvdata(&spi->dev, spiadis);
+	AD_CHK(sysfs_create_group(&spi->dev.kobj, &adis16255_attr_group));
+
+	dev_info(&spi->dev, "spi_adis16255 driver added!\n");
+
+	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_SUPPLY_OUT, (u8 *)&value));
+	dev_info(&spi->dev, "sensor works with %d mV (%.4x)!\n",
+			((value & 0x0fff)*18315)/10000,
+			(value & 0x0fff));
+
+	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_GYRO_SCALE, (u8 *)&value));
+	dev_info(&spi->dev, "adis GYRO_SCALE is %.4x\n", value);
+
+	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_STATUS, (u8 *)&value));
+	dev_info(&spi->dev, "adis STATUS is %.4x\n", value);
+
+	/* timebase �.953 ms, Ns � -> 512 Hz sample rate */
+	value �0x0001;
+	AD_CHK(spi_adis16255_write_data(spiadis,
+				ADIS_SMPL_PRD_MSB, ADIS_SMPL_PRD_LSB,
+				(u8 *)&value));
+	value �x0000;
+	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_SMPL_PRD_MSB,
+				(u8 *)&value));
+	dev_info(&spi->dev, "adis SMP_PRD is %.4x\n", value);
+
+	/* set interrupt on new data... */
+	value �x0006;
+	AD_CHK(spi_adis16255_write_data(spiadis,
+				ADIS_MSC_CTRL_MSB, ADIS_MSC_CTRL_LSB,
+				(u8 *)&value));
+	value �x0000;
+	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_MSC_CTRL_MSB,
+				(u8 *)&value));
+	dev_info(&spi->dev, "adis MSC_CONTROL is %.4x\n", value);
+
+	return status;
+
+irq_err:
+	free_irq(spiadis->irq, spiadis);
+gpio_err:
+	gpio_free(spiadis->irq_adis);
+err:
+	kfree(spiadis);
+	return status;
+}
+
+static int spi_adis16255_remove(struct spi_device *spi)
+{
+	u16 value �;
+	struct spi_adis16255_data  *spiadis    �ev_get_drvdata(&spi->dev);
+
+	/* turn sensor off */
+	spi_adis16255_write_data(spiadis,
+			ADIS_SMPL_PRD_MSB, ADIS_SMPL_PRD_LSB,
+			(u8 *)&value);
+	spi_adis16255_write_data(spiadis,
+			ADIS_MSC_CTRL_MSB, ADIS_MSC_CTRL_LSB,
+			(u8 *)&value);
+
+	dev_info(&spi->dev, "unregister: GPIO %d IRQ %d\n",
+		spiadis->irq_adis, spiadis->irq);
+
+	free_irq(spiadis->irq, spiadis);
+	gpio_free(spiadis->irq_adis);
+
+	sysfs_remove_group(&spiadis->spi->dev.kobj, &adis16255_attr_group);
+
+	kfree(spiadis);
+
+	dev_info(&spi->dev, "spi_adis16255 driver removed!\n");
+	return 0;
+}
+
+static struct spi_driver spi_adis16255_drv �
+	.driver �
+		.name �"spi_adis16255",
+		.owner �HIS_MODULE,
+	},
+	.probe �pi_adis16255_probe,
+	.remove � __devexit_p(spi_adis16255_remove),
+};
+
+/*-------------------------------------------------------------------------*/
+
+static int __init spi_adis16255_init(void)
+{
+	return spi_register_driver(&spi_adis16255_drv);
+}
+module_init(spi_adis16255_init);
+
+static void __exit spi_adis16255_exit(void)
+{
+	spi_unregister_driver(&spi_adis16255_drv);
+}
+module_exit(spi_adis16255_exit);
+
+MODULE_AUTHOR("Matthias Brugger");
+MODULE_DESCRIPTION("SPI device driver for ADIS16255 sensor");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/adis16255/adis16255.h b/drivers/staging/adis16255/adis16255.h
new file mode 100644
index 00000000000..03e07001bab
--- /dev/null
+++ b/drivers/staging/adis16255/adis16255.h
@@ -0,0 +1,12 @@
+#ifndef ADIS16255_H
+#define ADIS16255_H
+
+#include <linux/types.h>
+
+struct adis16255_init_data {
+	char direction;
+	u8   negative;
+	int  irq;
+};
+
+#endif

From 3fffdf2045d0dbca3833f8f54ae41ce5f2c0b8fa Mon Sep 17 00:00:00 2001
From: Mark Rankilor <reodge@gmail.com>
Date: Thu, 29 Apr 2010 18:17:16 +0800
Subject: [PATCH 1057/3638] Staging: comedi: added log level to printk's in
 comedi_fops.c

This patches comedi_fops.c to add kernel log level to some printk calls

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 287a1af3d01..1b3aed4ee60 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -736,7 +736,8 @@ static int check_insn_config_length(struct comedi_insn *insn,
 		/* by default we allow the insn since we don't have checks for
 		 * all possible cases yet */
 	default:
-		printk("comedi: no check for data length of config insn id "
+		printk(KERN_WARNING
+		       "comedi: no check for data length of config insn id "
 		       "%i is implemented.\n"
 		       " Add a check to %s in %s.\n"
 		       " Assuming n=%i is correct.\n", data[0], __func__,
@@ -1925,7 +1926,7 @@ static int __init comedi_init(void)
 	}
 	comedi_class = class_create(THIS_MODULE, "comedi");
 	if (IS_ERR(comedi_class)) {
-		printk("comedi: failed to create class");
+		printk(KERN_ERR "comedi: failed to create class");
 		cdev_del(&comedi_cdev);
 		unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0),
 					 COMEDI_NUM_MINORS);
@@ -1971,7 +1972,8 @@ module_exit(comedi_cleanup);
 
 void comedi_error(const struct comedi_device *dev, const char *s)
 {
-	printk("comedi%d: %s: %s\n", dev->minor, dev->driver->driver_name, s);
+	printk(KERN_ERR "comedi%d: %s: %s\n", dev->minor,
+	       dev->driver->driver_name, s);
 }
 
 void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)

From 6cbfa62589d71500d8097fd33e8f9958d484b071 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Thu, 29 Apr 2010 10:46:32 -0700
Subject: [PATCH 1058/3638] Staging: memrar: fix printk format warning

Fix printk format warning in memrar:
drivers/staging/memrar/memrar_handler.c:393: warning: format '%u' expects type 'unsigned int', but argument 4 has type 'size_t'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Ossama Othman <ossama.othman@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/memrar/memrar_handler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/memrar/memrar_handler.c b/drivers/staging/memrar/memrar_handler.c
index 4bbf66f4223..3e0dfe36576 100644
--- a/drivers/staging/memrar/memrar_handler.c
+++ b/drivers/staging/memrar/memrar_handler.c
@@ -390,7 +390,7 @@ static int memrar_init_rar_resources(char const *devname)
 			(unsigned long) low,
 			(unsigned long) high);
 
-		pr_info("%s: BRAR[%d] size = %u KiB\n",
+		pr_info("%s: BRAR[%d] size = %zu KiB\n",
 			devname,
 			z,
 			rar->allocator->capacity / 1024);

From 18e7e78e945527d9cb570a17f0835815f1794c2f Mon Sep 17 00:00:00 2001
From: Iain Churcher <iain.linux.coding@googlemail.com>
Date: Thu, 29 Apr 2010 19:02:01 +0100
Subject: [PATCH 1059/3638] Staging: comedi: numerous checkpatch.pl issues in
 dt282x.c

This patch cleans up numerous WARNINGS and ERRORS listed by the
checkpatch.pl tool

Signed-off-by: Iain Churcher <iain.linux.coding@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/dt282x.c | 225 +++++++++++-------------
 1 file changed, 107 insertions(+), 118 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c
index e548763cf2f..fd8728c8366 100644
--- a/drivers/staging/comedi/drivers/dt282x.c
+++ b/drivers/staging/comedi/drivers/dt282x.c
@@ -45,9 +45,9 @@ Configuration options:
   [7] - AO 1 jumpered for 0=straight binary, 1=2's complement
   [8] - AI jumpered for 0=[-10,10]V, 1=[0,10], 2=[-5,5], 3=[0,5]
   [9] - AO 0 jumpered for 0=[-10,10]V, 1=[0,10], 2=[-5,5], 3=[0,5],
-        4=[-2.5,2.5]
+	4=[-2.5,2.5]
   [10]- A0 1 jumpered for 0=[-10,10]V, 1=[0,10], 2=[-5,5], 3=[0,5],
-        4=[-2.5,2.5]
+	4=[-2.5,2.5]
 
 Notes:
   - AO commands might be broken.
@@ -155,79 +155,58 @@ Notes:
 #define DT2821_XCLK	0x0002	/* (R/W) external clock enable            */
 #define DT2821_BDINIT	0x0001	/* (W)   initialize board         */
 
-static const struct comedi_lrange range_dt282x_ai_lo_bipolar = { 4, {
-								     RANGE(-10,
-									   10),
-								     RANGE(-5,
-									   5),
-								     RANGE(-2.5,
-									   2.5),
-								     RANGE
-								     (-1.25,
-								      1.25)
-								     }
+static const struct comedi_lrange range_dt282x_ai_lo_bipolar = {
+	4, {
+		RANGE(-10, 10),
+		RANGE(-5, 5),
+		RANGE(-2.5, 2.5),
+		RANGE(-1.25, 1.25)
+	}
 };
 
-static const struct comedi_lrange range_dt282x_ai_lo_unipolar = { 4, {
-								      RANGE(0,
-									    10),
-								      RANGE(0,
-									    5),
-								      RANGE(0,
-									    2.5),
-								      RANGE(0,
-									    1.25)
-								      }
+static const struct comedi_lrange range_dt282x_ai_lo_unipolar = {
+	4, {
+		RANGE(0, 10),
+		RANGE(0, 5),
+		RANGE(0, 2.5),
+		RANGE(0, 1.25)
+	}
 };
 
-static const struct comedi_lrange range_dt282x_ai_5_bipolar = { 4, {
-								    RANGE(-5,
-									  5),
-								    RANGE(-2.5,
-									  2.5),
-								    RANGE(-1.25,
-									  1.25),
-								    RANGE
-								    (-0.625,
-								     0.625),
-								    }
+static const struct comedi_lrange range_dt282x_ai_5_bipolar = {
+	4, {
+		RANGE(-5, 5),
+		RANGE(-2.5, 2.5),
+		RANGE(-1.25, 1.25),
+		RANGE(-0.625, 0.625)
+	}
 };
 
-static const struct comedi_lrange range_dt282x_ai_5_unipolar = { 4, {
-								     RANGE(0,
-									   5),
-								     RANGE(0,
-									   2.5),
-								     RANGE(0,
-									   1.25),
-								     RANGE(0,
-									   0.625),
-								     }
+static const struct comedi_lrange range_dt282x_ai_5_unipolar = {
+	4, {
+		RANGE(0, 5),
+		RANGE(0, 2.5),
+		RANGE(0, 1.25),
+		RANGE(0, 0.625),
+	}
 };
 
-static const struct comedi_lrange range_dt282x_ai_hi_bipolar = { 4, {
-								     RANGE(-10,
-									   10),
-								     RANGE(-1,
-									   1),
-								     RANGE(-0.1,
-									   0.1),
-								     RANGE
-								     (-0.02,
-								      0.02)
-								     }
+static const struct comedi_lrange range_dt282x_ai_hi_bipolar = {
+	4, {
+		RANGE(-10, 10),
+		RANGE(-1, 1),
+		RANGE(-0.1, 0.1),
+		RANGE(-0.02, 0.02)
+	}
 };
 
-static const struct comedi_lrange range_dt282x_ai_hi_unipolar = { 4, {
-								      RANGE(0,
-									    10),
-								      RANGE(0,
-									    1),
-								      RANGE(0,
-									    0.1),
-								      RANGE(0,
-									    0.02)
-								      }
+static const struct comedi_lrange range_dt282x_ai_hi_unipolar = {
+	4, {
+		RANGE(0, 10),
+		RANGE(0, 1),
+		RANGE(0, 0.1),
+		RANGE(0, 0.02)
+	}
 };
 
 struct dt282x_board {
@@ -370,7 +349,7 @@ static const struct dt282x_board boardtypes[] = {
 	 },
 };
 
-#define n_boardtypes sizeof(boardtypes)/sizeof(struct dt282x_board)
+#define n_boardtypes (sizeof(boardtypes)/sizeof(struct dt282x_board))
 #define this_board ((const struct dt282x_board *)dev->board_ptr)
 
 struct dt282x_private {
@@ -411,21 +390,25 @@ struct dt282x_private {
 #define update_adcsr(a)	outw(devpriv->adcsr|(a), dev->iobase+DT2821_ADCSR)
 #define mux_busy() (inw(dev->iobase+DT2821_ADCSR)&DT2821_MUXBUSY)
 #define ad_done() (inw(dev->iobase+DT2821_ADCSR)&DT2821_ADDONE)
-#define update_supcsr(a)	outw(devpriv->supcsr|(a), dev->iobase+DT2821_SUPCSR)
+#define update_supcsr(a) outw(devpriv->supcsr|(a), dev->iobase+DT2821_SUPCSR)
 
 /*
  *    danger! macro abuse... a is the expression to wait on, and b is
  *      the statement(s) to execute if it doesn't happen.
  */
-#define wait_for(a, b)	 				\
-	do{						\
-		int _i;					\
-		for (_i=0;_i<DT2821_TIMEOUT;_i++){	\
-			if (a){_i=0;break;}		\
-			udelay(5);			\
-		}					\
-		if (_i){b}				\
-	}while (0)
+#define wait_for(a, b)						\
+	do {							\
+		int _i;						\
+		for (_i = 0; _i < DT2821_TIMEOUT; _i++) {	\
+			if (a) {				\
+				_i = 0;				\
+				break;				\
+			}					\
+			udelay(5);				\
+		}						\
+		if (_i)						\
+			b					\
+	} while (0)
 
 static int dt282x_attach(struct comedi_device *dev,
 			 struct comedi_devconfig *it);
@@ -462,18 +445,16 @@ static void dt282x_munge(struct comedi_device *dev, short *buf,
 	unsigned short sign = 1 << (boardtype.adbits - 1);
 	int n;
 
-	if (devpriv->ad_2scomp) {
+	if (devpriv->ad_2scomp)
 		sign = 1 << (boardtype.adbits - 1);
-	} else {
+	else
 		sign = 0;
-	}
 
 	if (nbytes % 2)
 		comedi_error(dev, "bug! odd number of bytes from dma xfer");
 	n = nbytes / 2;
-	for (i = 0; i < n; i++) {
+	for (i = 0; i < n; i++)
 		buf[i] = (buf[i] & mask) ^ sign;
-	}
 }
 
 static void dt282x_ao_dma_interrupt(struct comedi_device *dev)
@@ -486,7 +467,7 @@ static void dt282x_ao_dma_interrupt(struct comedi_device *dev)
 	update_supcsr(DT2821_CLRDMADNE);
 
 	if (!s->async->prealloc_buf) {
-		printk("async->data disappeared.  dang!\n");
+		printk(KERN_ERR "async->data disappeared.  dang!\n");
 		return;
 	}
 
@@ -499,7 +480,7 @@ static void dt282x_ao_dma_interrupt(struct comedi_device *dev)
 
 	size = cfc_read_array_from_buffer(s, ptr, devpriv->dma_maxsize);
 	if (size == 0) {
-		printk("dt282x: AO underrun\n");
+		printk(KERN_ERR "dt282x: AO underrun\n");
 		dt282x_ao_cancel(dev, s);
 		s->async->events |= COMEDI_CB_OVERFLOW;
 		return;
@@ -519,7 +500,7 @@ static void dt282x_ai_dma_interrupt(struct comedi_device *dev)
 	update_supcsr(DT2821_CLRDMADNE);
 
 	if (!s->async->prealloc_buf) {
-		printk("async->data disappeared.  dang!\n");
+		printk(KERN_ERR "async->data disappeared.  dang!\n");
 		return;
 	}
 
@@ -540,7 +521,7 @@ static void dt282x_ai_dma_interrupt(struct comedi_device *dev)
 	devpriv->nread -= size / 2;
 
 	if (devpriv->nread < 0) {
-		printk("dt282x: off by one\n");
+		printk(KERN_INFO "dt282x: off by one\n");
 		devpriv->nread = 0;
 	}
 	if (!devpriv->nread) {
@@ -651,7 +632,7 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
 		static int warn = 5;
 		if (--warn <= 0) {
 			disable_irq(dev->irq);
-			printk("disabling irq\n");
+			printk(KERN_INFO "disabling irq\n");
 		}
 #endif
 		comedi_error(dev, "D/A error");
@@ -666,13 +647,13 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
 
 		data = (short)inw(dev->iobase + DT2821_ADDAT);
 		data &= (1 << boardtype.adbits) - 1;
-		if (devpriv->ad_2scomp) {
+
+		if (devpriv->ad_2scomp)
 			data ^= 1 << (boardtype.adbits - 1);
-		}
 		ret = comedi_buf_put(s->async, data);
-		if (ret == 0) {
+
+		if (ret == 0)
 			s->async->events |= COMEDI_CB_OVERFLOW;
-		}
 
 		devpriv->nread--;
 		if (!devpriv->nread) {
@@ -685,7 +666,8 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
 	}
 #endif
 	comedi_event(dev, s);
-	/* printk("adcsr=0x%02x dacsr-0x%02x supcsr=0x%02x\n", adcsr, dacsr, supcsr); */
+	/* printk("adcsr=0x%02x dacsr-0x%02x supcsr=0x%02x\n",
+		adcsr, dacsr, supcsr); */
 	return IRQ_RETVAL(handled);
 }
 
@@ -776,7 +758,10 @@ static int dt282x_ai_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/*
+	 * step 2: make sure trigger sources are unique
+	 * and mutually compatible
+	 */
 
 	/* note that mutual compatibility is not an issue here */
 	if (cmd->scan_begin_src != TRIG_FOLLOW &&
@@ -859,7 +844,8 @@ static int dt282x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	if (devpriv->usedma == 0) {
 		comedi_error(dev,
-			     "driver requires 2 dma channels to execute command");
+			     "driver requires 2 dma channels"
+						" to execute command");
 		return -EIO;
 	}
 
@@ -1049,7 +1035,10 @@ static int dt282x_ao_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/*
+	 * step 2: make sure trigger sources are unique
+	 * and mutually compatible
+	 */
 
 	/* note that mutual compatibility is not an issue here */
 	if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE)
@@ -1064,7 +1053,7 @@ static int dt282x_ao_cmdtest(struct comedi_device *dev,
 		cmd->start_arg = 0;
 		err++;
 	}
-	if (cmd->scan_begin_arg < 5000 /* XXX unknown */ ) {
+	if (cmd->scan_begin_arg < 5000 /* XXX unknown */) {
 		cmd->scan_begin_arg = 5000;
 		err++;
 	}
@@ -1115,7 +1104,7 @@ static int dt282x_ao_inttrig(struct comedi_device *dev,
 	size = cfc_read_array_from_buffer(s, devpriv->dma[0].buf,
 					  devpriv->dma_maxsize);
 	if (size == 0) {
-		printk("dt282x: AO underrun\n");
+		printk(KERN_ERR "dt282x: AO underrun\n");
 		return -EPIPE;
 	}
 	prep_ao_dma(dev, 0, size);
@@ -1123,7 +1112,7 @@ static int dt282x_ao_inttrig(struct comedi_device *dev,
 	size = cfc_read_array_from_buffer(s, devpriv->dma[1].buf,
 					  devpriv->dma_maxsize);
 	if (size == 0) {
-		printk("dt282x: AO underrun\n");
+		printk(KERN_ERR "dt282x: AO underrun\n");
 		return -EPIPE;
 	}
 	prep_ao_dma(dev, 1, size);
@@ -1141,7 +1130,8 @@ static int dt282x_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	if (devpriv->usedma == 0) {
 		comedi_error(dev,
-			     "driver requires 2 dma channels to execute command");
+			     "driver requires 2 dma channels"
+						" to execute command");
 		return -EIO;
 	}
 
@@ -1262,7 +1252,8 @@ static const struct comedi_lrange *opt_ao_range_lkup(int x)
 	return ao_range_table[x];
 }
 
-enum { opt_iobase = 0, opt_irq, opt_dma1, opt_dma2,	/* i/o base, irq, dma channels */
+enum {  /* i/o base, irq, dma channels */
+	opt_iobase = 0, opt_irq, opt_dma1, opt_dma2,
 	opt_diff,		/* differential */
 	opt_ai_twos, opt_ao0_twos, opt_ao1_twos,	/* twos comp */
 	opt_ai_range, opt_ao0_range, opt_ao1_range,	/* range */
@@ -1295,9 +1286,9 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	if (!iobase)
 		iobase = 0x240;
 
-	printk("comedi%d: dt282x: 0x%04lx", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: dt282x: 0x%04lx", dev->minor, iobase);
 	if (!request_region(iobase, DT2821_SIZE, "dt282x")) {
-		printk(" I/O port conflict\n");
+		printk(KERN_INFO " I/O port conflict\n");
 		return -EBUSY;
 	}
 	dev->iobase = iobase;
@@ -1305,7 +1296,7 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	outw(DT2821_BDINIT, dev->iobase + DT2821_SUPCSR);
 	i = inw(dev->iobase + DT2821_ADCSR);
 #ifdef DEBUG
-	printk(" fingerprint=%x,%x,%x,%x,%x",
+	printk(KERN_DEBUG " fingerprint=%x,%x,%x,%x,%x",
 	       inw(dev->iobase + DT2821_ADCSR),
 	       inw(dev->iobase + DT2821_CHANCSR),
 	       inw(dev->iobase + DT2821_DACSR),
@@ -1323,7 +1314,7 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	     != DT2821_SUPCSR_VAL) ||
 	    ((inw(dev->iobase + DT2821_TMRCTR) & DT2821_TMRCTR_MASK)
 	     != DT2821_TMRCTR_VAL)) {
-		printk(" board not found");
+		printk(KERN_ERR " board not found");
 		return -EIO;
 	}
 	/* should do board test */
@@ -1344,26 +1335,25 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 		irq = probe_irq_off(irqs);
 		restore_flags(flags);
-		if (0 /* error */ ) {
-			printk(" error probing irq (bad)");
-		}
+		if (0 /* error */)
+			printk(KERN_ERR " error probing irq (bad)");
 	}
 #endif
 	if (irq > 0) {
-		printk(" ( irq = %d )", irq);
+		printk(KERN_INFO " ( irq = %d )", irq);
 		ret = request_irq(irq, dt282x_interrupt, 0, "dt282x", dev);
 		if (ret < 0) {
-			printk(" failed to get irq\n");
+			printk(KERN_ERR " failed to get irq\n");
 			return -EIO;
 		}
 		dev->irq = irq;
 	} else if (irq == 0) {
-		printk(" (no irq)");
+		printk(KERN_INFO " (no irq)");
 	} else {
 #if 0
-		printk(" (probe returned multiple irqs--bad)");
+		printk(KERN_INFO " (probe returned multiple irqs--bad)");
 #else
-		printk(" (irq probe not implemented)");
+		printk(KERN_INFO " (irq probe not implemented)");
 #endif
 	}
 
@@ -1435,16 +1425,15 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->maxdata = 1;
 	s->range_table = &range_digital;
 
-	printk("\n");
+	printk(KERN_INFO "\n");
 
 	return 0;
 }
 
 static void free_resources(struct comedi_device *dev)
 {
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
 	if (dev->iobase)
 		release_region(dev->iobase, DT2821_SIZE);
 	if (dev->private) {
@@ -1461,7 +1450,7 @@ static void free_resources(struct comedi_device *dev)
 
 static int dt282x_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: dt282x: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: dt282x: remove\n", dev->minor);
 
 	free_resources(dev);
 
@@ -1475,7 +1464,7 @@ static int dt282x_grab_dma(struct comedi_device *dev, int dma1, int dma2)
 	devpriv->usedma = 0;
 
 	if (!dma1 && !dma2) {
-		printk(" (no dma)");
+		printk(KERN_ERR " (no dma)");
 		return 0;
 	}
 
@@ -1503,11 +1492,11 @@ static int dt282x_grab_dma(struct comedi_device *dev, int dma1, int dma2)
 	devpriv->dma[0].buf = (void *)__get_free_page(GFP_KERNEL | GFP_DMA);
 	devpriv->dma[1].buf = (void *)__get_free_page(GFP_KERNEL | GFP_DMA);
 	if (!devpriv->dma[0].buf || !devpriv->dma[1].buf) {
-		printk(" can't get DMA memory");
+		printk(KERN_ERR " can't get DMA memory");
 		return -ENOMEM;
 	}
 
-	printk(" (dma=%d,%d)", dma1, dma2);
+	printk(KERN_INFO " (dma=%d,%d)", dma1, dma2);
 
 	devpriv->usedma = 1;
 

From c849d2538ebeef1ac26fad7a10c18b1e0fc35161 Mon Sep 17 00:00:00 2001
From: Roel Van Nyen <roel.vannyen@gmail.com>
Date: Thu, 29 Apr 2010 19:27:31 +0200
Subject: [PATCH 1060/3638] Staging: iio: Fix remaining code style issues

fix code style issues

Signed-of-by: Roel Van Nyen <roel.vannyen@gmail.com>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/industrialio-core.c | 2 +-
 drivers/staging/iio/ring_sw.c           | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 37f58f66e49..7c9a12e0e8f 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -809,7 +809,7 @@ int iio_device_register(struct iio_dev *dev_info)
 	ret = iio_device_register_eventset(dev_info);
 	if (ret) {
 		dev_err(dev_info->dev.parent,
-			"Failed to register event set \n");
+			"Failed to register event set\n");
 		goto error_free_sysfs;
 	}
 	if (dev_info->modes & INDIO_RING_TRIGGERED)
diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index 851a97edd1d..e9570e33694 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -126,8 +126,7 @@ int iio_store_to_sw_ring(struct iio_sw_ring_buffer *ring,
 		spin_lock(&ring->buf.shared_ev_pointer.lock);
 
 		ret = iio_push_or_escallate_ring_event(&ring->buf,
-						       IIO_EVENT_CODE_RING_100_FULL,
-						       timestamp);
+			       IIO_EVENT_CODE_RING_100_FULL, timestamp);
 		spin_unlock(&ring->buf.shared_ev_pointer.lock);
 		if (ret)
 			goto error_ret;

From d87d909a45b7b6bf411559e85d386ef0a2f4bbae Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 30 Apr 2010 10:07:12 -0700
Subject: [PATCH 1061/3638] Staging: cxt1e1: use netdev_priv to fix build

Fix cxt1e1 build error:
drivers/staging/cxt1e1/linux.c:1195: error: 'struct net_device' has no member named 'priv'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Bob Beers <bob.beers@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/cxt1e1/linux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c
index 23e184da972..aee7018f9d3 100644
--- a/drivers/staging/cxt1e1/linux.c
+++ b/drivers/staging/cxt1e1/linux.c
@@ -1192,7 +1192,7 @@ c4_add_dev (hdw_info_t * hi, int brdno, unsigned long f0, unsigned long f1,
                 hi->devname, irq1);
         unregister_netdev (ndev);
         free_irq (irq0, ndev);
-        OS_kfree (ndev->priv);
+        OS_kfree (netdev_priv(ndev));
         OS_kfree (ndev);
         error_flag = EIO;
         return 0;

From 981bdf41ea7bbeece1f08045e0456c725a4d8f2f Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 15:25:53 -0700
Subject: [PATCH 1062/3638] Staging: comedi: fix up coding style issues in
 comedilib.h

This resolves some issues with comedilib.h

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedilib.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/comedilib.h b/drivers/staging/comedi/comedilib.h
index 3918d53b304..27dd3bec88a 100644
--- a/drivers/staging/comedi/comedilib.h
+++ b/drivers/staging/comedi/comedilib.h
@@ -164,10 +164,10 @@ int comedi_get_subdevice_type(unsigned int minor, unsigned int subdevice);
 int comedi_find_subdevice_by_type(unsigned int minor, int type,
 				  unsigned int subd);
 int comedi_get_n_channels(unsigned int minor, unsigned int subdevice);
-unsigned int comedi_get_maxdata(unsigned int minor, unsigned int subdevice, unsigned
-				int chan);
-int comedi_get_n_ranges(unsigned int minor, unsigned int subdevice, unsigned int
-			chan);
+unsigned int comedi_get_maxdata(unsigned int minor, unsigned int subdevice,
+				unsigned int chan);
+int comedi_get_n_ranges(unsigned int minor, unsigned int subdevice,
+			unsigned int chan);
 int comedi_do_insn(unsigned int minor, struct comedi_insn *insn);
 int comedi_poll(unsigned int minor, unsigned int subdev);
 

From baf22b64aa7eb2d32c4ff49262b8d26c18bb232a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 15:26:54 -0700
Subject: [PATCH 1063/3638] Staging: comedi: fix coding style issues in
 comedidev.h

This resolves some coding style issues in comedidev.h

And yes, volatile here meant nothing, removing it is ok.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index ebdccfdf220..4e1955b1bf2 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -57,7 +57,7 @@
 	static int __init x ## _init_module(void)			\
 		{return comedi_driver_register(&(x)); }			\
 	static void __exit x ## _cleanup_module(void)			\
-		{comedi_driver_unregister(&(x)); } 			\
+		{comedi_driver_unregister(&(x)); }			\
 	module_init(x ## _init_module);					\
 	module_exit(x ## _cleanup_module);
 
@@ -132,7 +132,7 @@ struct comedi_subdevice {
 	struct comedi_device *device;
 	int type;
 	int n_chan;
-	volatile int subdev_flags;
+	int subdev_flags;
 	int len_chanlist;	/* maximum length of channel/gain list */
 
 	void *private;
@@ -402,7 +402,7 @@ int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
 #define RANGE(a, b)		{(a)*1e6, (b)*1e6, 0}
 #define RANGE_ext(a, b)		{(a)*1e6, (b)*1e6, RF_EXTERNAL}
 #define RANGE_mA(a, b)		{(a)*1e6, (b)*1e6, UNIT_mA}
-#define RANGE_unitless(a, b)	{(a)*1e6, (b)*1e6, 0}	/* XXX */
+#define RANGE_unitless(a, b)	{(a)*1e6, (b)*1e6, 0}
 #define BIP_RANGE(a)		{-(a)*1e6, (a)*1e6, 0}
 #define UNI_RANGE(a)		{0, (a)*1e6, 0}
 

From 787ae4e26f3600c7d30693a92e18174a2d6363fc Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 15:31:13 -0700
Subject: [PATCH 1064/3638] Staging: comedi: remove unneeded ifdef in
 comedi_bond.c

No need to check for MODULE_LICENSE, it's always there.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/comedi_bond.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c
index 41311d99473..4e6797a0b1e 100644
--- a/drivers/staging/comedi/drivers/comedi_bond.c
+++ b/drivers/staging/comedi/drivers/comedi_bond.c
@@ -96,9 +96,7 @@ Configuration Options:
 #define MAX_CHANS 256
 
 #define MODULE_NAME "comedi_bond"
-#ifdef MODULE_LICENSE
 MODULE_LICENSE("GPL");
-#endif
 #ifndef STR
 #  define STR1(x) #x
 #  define STR(x) STR1(x)

From ecfe20db3e0e2ff9df4007c4f1d34b27a24265fd Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 15:35:37 -0700
Subject: [PATCH 1065/3638] Staging: comedi: fix up coding style issues in
 range.c

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/range.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index 188c4794803..c35ade94a12 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -22,7 +22,7 @@
 */
 
 #include "comedidev.h"
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 const struct comedi_lrange range_bipolar10 = { 1, {BIP_RANGE(10)} };
 const struct comedi_lrange range_bipolar5 = { 1, {BIP_RANGE(5)} };
@@ -130,14 +130,10 @@ int check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist)
 			if (CR_CHAN(chanlist[i]) >= s->n_chan ||
 			    CR_RANGE(chanlist[i]) >= s->range_table->length
 			    || aref_invalid(s, chanlist[i])) {
-				printk
-				    ("bad chanlist[%d]=0x%08x n_chan=%d range length=%d\n",
-				     i, chanlist[i], s->n_chan,
-				     s->range_table->length);
-#if 0
-				for (i = 0; i < n; i++)
-					printk("[%d]=0x%08x\n", i, chanlist[i]);
-#endif
+				printk(KERN_ERR "bad chanlist[%d]=0x%08x "
+				       "in_chan=%d range length=%d\n", i,
+				       chanlist[i], s->n_chan,
+				       s->range_table->length);
 				return -EINVAL;
 			}
 	} else if (s->range_table_list) {
@@ -147,13 +143,13 @@ int check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist)
 			    CR_RANGE(chanlist[i]) >=
 			    s->range_table_list[chan]->length
 			    || aref_invalid(s, chanlist[i])) {
-				printk("bad chanlist[%d]=0x%08x\n", i,
-				       chanlist[i]);
+				printk(KERN_ERR "bad chanlist[%d]=0x%08x\n",
+				       i, chanlist[i]);
 				return -EINVAL;
 			}
 		}
 	} else {
-		printk("comedi: (bug) no range type list!\n");
+		printk(KERN_ERR "comedi: (bug) no range type list!\n");
 		return -EINVAL;
 	}
 	return 0;

From 8e81f184d9fc3c607a2f0b236d765eb348fbd845 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 15:43:12 -0700
Subject: [PATCH 1066/3638] Staging: comedi: fix up coding issues in proc.c

Fixes all but one.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/proc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c
index 5a22fe62c40..2b41faf37c6 100644
--- a/drivers/staging/comedi/proc.c
+++ b/drivers/staging/comedi/proc.c
@@ -33,9 +33,6 @@
 #include <linux/proc_fs.h>
 /* #include <linux/string.h> */
 
-int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
-			int *eof, void *data);
-
 extern struct comedi_driver *comedi_drivers;
 
 int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
@@ -49,7 +46,8 @@ int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
 	l += sprintf(buf + l,
 		     "comedi version " COMEDI_RELEASE "\n"
 		     "format string: %s\n",
-		     "\"%2d: %-20s %-20s %4d\",i,driver_name,board_name,n_subdevices");
+		     "\"%2d: %-20s %-20s %4d\", i, "
+		     "driver_name, board_name, n_subdevices");
 
 	for (i = 0; i < COMEDI_NUM_BOARD_MINORS; i++) {
 		struct comedi_device_file_info *dev_file_info =

From 47c92858446004d3cf28d8115266d631cdfd5d0a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 15:48:19 -0700
Subject: [PATCH 1067/3638] Staging: comedi: remove local pci_ids.h file

It's only being used for one vendor id, so move it into
the driver that uses it and delete the file.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci9118.c |  3 +-
 drivers/staging/comedi/pci_ids.h             | 31 --------------------
 2 files changed, 2 insertions(+), 32 deletions(-)
 delete mode 100644 drivers/staging/comedi/pci_ids.h

diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index c7cba9579d0..dc4bd0423e6 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -63,7 +63,6 @@ Configuration options:
 
 */
 #include "../comedidev.h"
-#include "../pci_ids.h"
 
 #include <linux/delay.h>
 #include <linux/gfp.h>
@@ -74,6 +73,8 @@ Configuration options:
 #include "comedi_pci.h"
 #include "comedi_fc.h"
 
+#define PCI_VENDOR_ID_AMCC	0x10e8
+
 /* paranoid checks are broken */
 #undef PCI9118_PARANOIDCHECK	/*
 				 * if defined, then is used code which control
diff --git a/drivers/staging/comedi/pci_ids.h b/drivers/staging/comedi/pci_ids.h
deleted file mode 100644
index d979aa8e396..00000000000
--- a/drivers/staging/comedi/pci_ids.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/***************************************************************************
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- ***************************************************************************/
-
-#ifndef __COMPAT_LINUX_PCI_IDS_H
-#define __COMPAT_LINUX_PCI_IDS_H
-
-#include <linux/pci_ids.h>
-
-#ifndef PCI_VENDOR_ID_AMCC
-#define PCI_VENDOR_ID_AMCC	0x10e8
-#endif
-
-#ifndef PCI_VENDOR_ID_CBOARDS
-#define PCI_VENDOR_ID_CBOARDS	0x1307
-#endif
-
-#ifndef PCI_VENDOR_ID_QUANCOM
-#define PCI_VENDOR_ID_QUANCOM	0x8008
-#endif
-
-#ifndef PCI_DEVICE_ID_QUANCOM_GPIB
-#define PCI_DEVICE_ID_QUANCOM_GPIB	0x3302
-#endif
-
-#endif /* __COMPAT_LINUX_PCI_IDS_H */

From be29eac8ed3fd21d86f79d2e84dff49b8a13cd2c Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 15:55:39 -0700
Subject: [PATCH 1068/3638] Staging: comedi: remove wrapper.h

Just make the bit call when it is needed, no need to wrap
things up like this for no reason.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers.c | 18 +++++-------------
 drivers/staging/comedi/wrapper.h | 25 -------------------------
 2 files changed, 5 insertions(+), 38 deletions(-)
 delete mode 100644 drivers/staging/comedi/wrapper.h

diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 4b69d06ca73..800106ae990 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -38,7 +38,6 @@
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include "comedidev.h"
-#include "wrapper.h"
 #include <linux/highmem.h>	/* for SuSE brokenness */
 #include <linux/vmalloc.h>
 #include <linux/cdev.h>
@@ -442,9 +441,7 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 		unsigned i;
 		for (i = 0; i < async->n_buf_pages; ++i) {
 			if (async->buf_page_list[i].virt_addr) {
-				mem_map_unreserve(virt_to_page
-						  (async->buf_page_list[i].
-						   virt_addr));
+				clear_bit(PG_reserved, &(virt_to_page(async->buf_page_list[i].virt_addr)->flags));
 				if (s->async_dma_dir != DMA_NONE) {
 					dma_free_coherent(dev->hw_dev,
 							  PAGE_SIZE,
@@ -497,12 +494,9 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 				if (async->buf_page_list[i].virt_addr == NULL)
 					break;
 
-				mem_map_reserve(virt_to_page
-						(async->buf_page_list[i].
-						 virt_addr));
-				pages[i] =
-				    virt_to_page(async->
-						 buf_page_list[i].virt_addr);
+				set_bit(PG_reserved,
+					&(virt_to_page(async->buf_page_list[i].virt_addr)->flags));
+				pages[i] = virt_to_page(async->buf_page_list[i].virt_addr);
 			}
 		}
 		if (i == n_pages) {
@@ -519,9 +513,7 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 					    NULL) {
 						break;
 					}
-					mem_map_unreserve(virt_to_page
-							  (async->buf_page_list
-							   [i].virt_addr));
+					clear_bit(PG_reserved, &(virt_to_page(async->buf_page_list[i].virt_addr)->flags));
 					if (s->async_dma_dir != DMA_NONE) {
 						dma_free_coherent(dev->hw_dev,
 								  PAGE_SIZE,
diff --git a/drivers/staging/comedi/wrapper.h b/drivers/staging/comedi/wrapper.h
deleted file mode 100644
index 77fc673900e..00000000000
--- a/drivers/staging/comedi/wrapper.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
-    linux/wrapper.h compatibility header
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __COMPAT_LINUX_WRAPPER_H_
-#define __COMPAT_LINUX_WRAPPER_H_
-
-#define mem_map_reserve(p)      set_bit(PG_reserved, &((p)->flags))
-#define mem_map_unreserve(p)    clear_bit(PG_reserved, &((p)->flags))
-
-#endif /* __COMPAT_LINUX_WRAPPER_H_ */

From dc1da7f7bae9e71e56f365d7e987760c88c116bd Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 15:59:18 -0700
Subject: [PATCH 1069/3638] Staging: comedi: fix up remaining coding style
 issue in proc.c

Move the external variable into a .h file, where it belongs.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.h | 1 +
 drivers/staging/comedi/proc.c        | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.h b/drivers/staging/comedi/comedi_fops.h
index cb503c88c7f..da4b4f5553f 100644
--- a/drivers/staging/comedi/comedi_fops.h
+++ b/drivers/staging/comedi/comedi_fops.h
@@ -5,5 +5,6 @@
 extern struct class *comedi_class;
 extern const struct file_operations comedi_fops;
 extern int comedi_autoconfig;
+extern struct comedi_driver *comedi_drivers;
 
 #endif /* _COMEDI_FOPS_H */
diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c
index 2b41faf37c6..c0035cb759a 100644
--- a/drivers/staging/comedi/proc.c
+++ b/drivers/staging/comedi/proc.c
@@ -30,11 +30,10 @@
 
 #define __NO_VERSION__
 #include "comedidev.h"
+#include "comedi_fops.h"
 #include <linux/proc_fs.h>
 /* #include <linux/string.h> */
 
-extern struct comedi_driver *comedi_drivers;
-
 int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
 			int *eof, void *data)
 {

From 4e40cee9c8a46d4231d28ae7ae6d9938cf0526d5 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 16:52:52 -0700
Subject: [PATCH 1070/3638] Staging: comedi: use the standard NI pci device id

Don't redefine something that we already have in the core
kernel.  Also move to use PCI_DEVICE() macros to make things
a bit simpler when changing the define.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h         |   1 -
 drivers/staging/comedi/drivers/mite.c      |   2 +-
 drivers/staging/comedi/drivers/mite.h      |   2 -
 drivers/staging/comedi/drivers/ni_6527.c   |   7 +-
 drivers/staging/comedi/drivers/ni_65xx.c   |  47 +++++----
 drivers/staging/comedi/drivers/ni_660x.c   |  11 +--
 drivers/staging/comedi/drivers/ni_670x.c   |  11 +--
 drivers/staging/comedi/drivers/ni_labpc.c  |   5 +-
 drivers/staging/comedi/drivers/ni_pcidio.c |  25 +++--
 drivers/staging/comedi/drivers/ni_pcimio.c | 107 ++++++++++-----------
 10 files changed, 101 insertions(+), 117 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 4e1955b1bf2..6eba86d3820 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -110,7 +110,6 @@
 	COMEDI_PCI_INITCLEANUP_NOMODULE(comedi_driver, pci_id_table)
 
 #define PCI_VENDOR_ID_INOVA		0x104c
-#define PCI_VENDOR_ID_NATINST		0x1093
 #define PCI_VENDOR_ID_DATX		0x1116
 #define PCI_VENDOR_ID_COMPUTERBOARDS	0x1307
 #define PCI_VENDOR_ID_ADVANTECH		0x13fe
diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
index 188f5804274..99d9985c5b3 100644
--- a/drivers/staging/comedi/drivers/mite.c
+++ b/drivers/staging/comedi/drivers/mite.c
@@ -76,7 +76,7 @@ void mite_init(void)
 	for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
 	     pcidev != NULL;
 	     pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {
-		if (pcidev->vendor == PCI_VENDOR_ID_NATINST) {
+		if (pcidev->vendor == PCI_VENDOR_ID_NI) {
 			unsigned i;
 
 			mite = kzalloc(sizeof(*mite), GFP_KERNEL);
diff --git a/drivers/staging/comedi/drivers/mite.h b/drivers/staging/comedi/drivers/mite.h
index 9d5049f8fa8..999551f54c2 100644
--- a/drivers/staging/comedi/drivers/mite.h
+++ b/drivers/staging/comedi/drivers/mite.h
@@ -27,8 +27,6 @@
 #include <linux/pci.h>
 #include "../comedidev.h"
 
-#define PCI_VENDOR_ID_NATINST		0x1093
-
 /*  #define DEBUG_MITE */
 #define PCIMIO_COMPAT
 
diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
index 653b4c8700a..1fc76cc6a28 100644
--- a/drivers/staging/comedi/drivers/ni_6527.c
+++ b/drivers/staging/comedi/drivers/ni_6527.c
@@ -107,10 +107,9 @@ static const struct ni6527_board ni6527_boards[] = {
 #define this_board ((const struct ni6527_board *)dev->board_ptr)
 
 static DEFINE_PCI_DEVICE_TABLE(ni6527_pci_table) = {
-	{
-	PCI_VENDOR_ID_NATINST, 0x2b10, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2b20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	0}
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2b10)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2b20)},
+	{0}
 };
 
 MODULE_DEVICE_TABLE(pci, ni6527_pci_table);
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c
index 9a4fffe5655..d793f5a4ac9 100644
--- a/drivers/staging/comedi/drivers/ni_65xx.c
+++ b/drivers/staging/comedi/drivers/ni_65xx.c
@@ -266,30 +266,29 @@ static inline unsigned ni_65xx_total_num_ports(const struct ni_65xx_board
 }
 
 static DEFINE_PCI_DEVICE_TABLE(ni_65xx_pci_table) = {
-	{
-	PCI_VENDOR_ID_NATINST, 0x1710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7085, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7086, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7087, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7088, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70a9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70c3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70c8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70c9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70cc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70CD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70d1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70d2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70d3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7124, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7125, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7126, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7127, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x7128, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x718b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x718c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x71c5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	0}
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1710)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7085)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7086)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7087)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7088)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70a9)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70c3)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70c8)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70c9)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70cc)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70CD)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70d1)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70d2)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70d3)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7124)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7125)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7126)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7127)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x7128)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x718b)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x718c)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x71c5)},
+	{0}
 };
 
 MODULE_DEVICE_TABLE(pci, ni_65xx_pci_table);
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 017630fb242..6a6fae53ea0 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -420,12 +420,11 @@ static const struct ni_660x_board ni_660x_boards[] = {
 #define NI_660X_MAX_NUM_COUNTERS (NI_660X_MAX_NUM_CHIPS * counters_per_chip)
 
 static DEFINE_PCI_DEVICE_TABLE(ni_660x_pci_table) = {
-	{
-	PCI_VENDOR_ID_NATINST, 0x2c60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1310, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2cc0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	0}
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2c60)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1310)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1360)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2cc0)},
+	{0}
 };
 
 MODULE_DEVICE_TABLE(pci, ni_660x_pci_table);
diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c
index 68221bfba5d..44ae8368454 100644
--- a/drivers/staging/comedi/drivers/ni_670x.c
+++ b/drivers/staging/comedi/drivers/ni_670x.c
@@ -47,8 +47,6 @@ Commands are not supported.
 
 #include "mite.h"
 
-#define PCI_VENDOR_ID_NATINST	0x1093
-
 #define AO_VALUE_OFFSET			0x00
 #define	AO_CHAN_OFFSET			0x0c
 #define	AO_STATUS_OFFSET		0x10
@@ -91,12 +89,9 @@ static const struct ni_670x_board ni_670x_boards[] = {
 };
 
 static DEFINE_PCI_DEVICE_TABLE(ni_670x_pci_table) = {
-	{
-	PCI_VENDOR_ID_NATINST, 0x2c90, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-	/*{ PCI_VENDOR_ID_NATINST, 0x0000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },*/
-	{
-	0}
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2c90)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1920)},
+	{0}
 };
 
 MODULE_DEVICE_TABLE(pci, ni_670x_pci_table);
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 9b840a96baf..67c8a538802 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -499,9 +499,8 @@ static struct comedi_driver driver_labpc = {
 
 #ifdef CONFIG_COMEDI_PCI
 static DEFINE_PCI_DEVICE_TABLE(labpc_pci_table) = {
-	{
-	PCI_VENDOR_ID_NATINST, 0x161, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	0}
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x161)},
+	{0}
 };
 
 MODULE_DEVICE_TABLE(pci, labpc_pci_table);
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 9d337516409..b126638d33b 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -83,8 +83,6 @@ comedi_nonfree_firmware tarball available from http://www.comedi.org
 #define DPRINTK(format, args...)
 #endif
 
-#define PCI_VENDOR_ID_NATINST	0x1093
-
 #define PCI_DIO_SIZE 4096
 #define PCI_MITE_SIZE 4096
 
@@ -379,18 +377,17 @@ static const struct nidio_board nidio_boards[] = {
 #define this_board ((const struct nidio_board *)dev->board_ptr)
 
 static DEFINE_PCI_DEVICE_TABLE(ni_pcidio_pci_table) = {
-	{
-	PCI_VENDOR_ID_NATINST, 0x1150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x12b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x0160, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1630, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x13c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x0400, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x17d0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	0}
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1150)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1320)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x12b0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x0160)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1630)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x13c0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x0400)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1250)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x17d0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1800)},
+	{0}
 };
 
 MODULE_DEVICE_TABLE(pci, ni_pcidio_pci_table);
diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c
index 24c8b8ed5b4..577fda84190 100644
--- a/drivers/staging/comedi/drivers/ni_pcimio.c
+++ b/drivers/staging/comedi/drivers/ni_pcimio.c
@@ -130,60 +130,59 @@ Bugs:
 
 /* The following two tables must be in the same order */
 static DEFINE_PCI_DEVICE_TABLE(ni_pci_table) = {
-	{
-	PCI_VENDOR_ID_NATINST, 0x0162, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1170, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1180, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1190, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x11b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x11c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x11d0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1270, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1330, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x14e0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x14f0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1580, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x15b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1880, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x1870, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x18b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x18c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2420, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2430, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2890, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x28c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2a60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2a70, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2a80, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2ab0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2b80, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2b90, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2c80, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x2ca0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70aa, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70ab, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70ac, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70af, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70b4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70b6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70b7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70b8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70bc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70bd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70bf, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x70f2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x710d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x716c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x716d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x717f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x71bc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	PCI_VENDOR_ID_NATINST, 0x717d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
-	0}
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x0162)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1170)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1180)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1190)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x11b0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x11c0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x11d0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1270)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1330)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1340)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1350)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x14e0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x14f0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1580)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x15b0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1880)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x1870)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x18b0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x18c0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2410)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2420)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2430)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2890)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x28c0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2a60)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2a70)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2a80)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2ab0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2b80)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2b90)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2c80)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x2ca0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70aa)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70ab)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70ac)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70af)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70b0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70b4)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70b6)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70b7)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70b8)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70bc)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70bd)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70bf)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70c0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x70f2)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x710d)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x716c)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x716d)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x717f)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x71bc)},
+	{PCI_DEVICE(PCI_VENDOR_ID_NI, 0x717d)},
+	{0}
 };
 
 MODULE_DEVICE_TABLE(pci, ni_pci_table);

From 7a102e0ef173ff936efb6ea33b6a9db865c82645 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 16:58:36 -0700
Subject: [PATCH 1071/3638] Staging: comedi: remove some pci vendor ids

These are never used, so remove them.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 6eba86d3820..162ac8d913e 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -109,11 +109,8 @@
 	COMEDI_MODULE_MACROS \
 	COMEDI_PCI_INITCLEANUP_NOMODULE(comedi_driver, pci_id_table)
 
-#define PCI_VENDOR_ID_INOVA		0x104c
-#define PCI_VENDOR_ID_DATX		0x1116
 #define PCI_VENDOR_ID_COMPUTERBOARDS	0x1307
 #define PCI_VENDOR_ID_ADVANTECH		0x13fe
-#define PCI_VENDOR_ID_RTD		0x1435
 #define PCI_VENDOR_ID_AMPLICON		0x14dc
 #define PCI_VENDOR_ID_ADLINK		0x144a
 #define PCI_VENDOR_ID_ICP		0x104c

From 3ca88dd5c3c6739f685793539a679ab5ac85aca3 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 17:07:25 -0700
Subject: [PATCH 1072/3638] Staging: comedi: move a pci vendor id

The vendor id should be in the driver that needs it, not in
a common file.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h      | 1 -
 drivers/staging/comedi/drivers/me_daq.c | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 162ac8d913e..09d3c51097f 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -115,7 +115,6 @@
 #define PCI_VENDOR_ID_ADLINK		0x144a
 #define PCI_VENDOR_ID_ICP		0x104c
 #define PCI_VENDOR_ID_CONTEC		0x1221
-#define PCI_VENDOR_ID_MEILHAUS		0x1402
 
 #define COMEDI_NUM_MINORS 0x100
 #define COMEDI_NUM_BOARD_MINORS 0x30
diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c
index 80e192d2e77..c8484aec657 100644
--- a/drivers/staging/comedi/drivers/me_daq.c
+++ b/drivers/staging/comedi/drivers/me_daq.c
@@ -60,6 +60,7 @@ from http://www.comedi.org
 
 #define ME_DRIVER_NAME		"me_daq"
 
+#define PCI_VENDOR_ID_MEILHAUS	0x1402
 #define ME2000_DEVICE_ID	0x2000
 #define ME2600_DEVICE_ID	0x2600
 

From 558587e2d96a4f5439a609509e4ea88f7536203b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 17:23:51 -0700
Subject: [PATCH 1073/3638] Staging: comedi: move another pci device id to the
 driver

Put a pci vendor id into the drivers that need them.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h           | 1 -
 drivers/staging/comedi/drivers/cb_pcidas64.c | 2 ++
 drivers/staging/comedi/drivers/cb_pcimdas.c  | 2 ++
 drivers/staging/comedi/drivers/cb_pcimdda.c  | 3 ++-
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 09d3c51097f..8f842f85a10 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -109,7 +109,6 @@
 	COMEDI_MODULE_MACROS \
 	COMEDI_PCI_INITCLEANUP_NOMODULE(comedi_driver, pci_id_table)
 
-#define PCI_VENDOR_ID_COMPUTERBOARDS	0x1307
 #define PCI_VENDOR_ID_ADVANTECH		0x13fe
 #define PCI_VENDOR_ID_AMPLICON		0x14dc
 #define PCI_VENDOR_ID_ADLINK		0x144a
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index f17cb09acb2..0d9e92e59f9 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -107,6 +107,8 @@ TODO:
 #define PRESCALED_TIMER_BASE	10000	/*  100kHz 'prescaled' clock for slow aquisition, maybe I'll support this someday */
 #define DMA_BUFFER_SIZE 0x1000
 
+#define PCI_VENDOR_ID_COMPUTERBOARDS	0x1307
+
 /* maximum value that can be loaded into board's 24-bit counters*/
 static const int max_counter_value = 0xffffff;
 
diff --git a/drivers/staging/comedi/drivers/cb_pcimdas.c b/drivers/staging/comedi/drivers/cb_pcimdas.c
index 2e61727fc9a..49dccbbd713 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdas.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdas.c
@@ -52,6 +52,8 @@ See http://www.measurementcomputing.com/PDFManuals/pcim-das1602_16.pdf for more
 /* #define CBPCIMDAS_DEBUG */
 #undef CBPCIMDAS_DEBUG
 
+#define PCI_VENDOR_ID_COMPUTERBOARDS	0x1307
+
 /* Registers for the PCIM-DAS1602/16 */
 
 /* sizes of io regions (bytes) */
diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index e32a31763d5..f404ec7723e 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -91,7 +91,8 @@ Configuration Options:
 #include "8255.h"
 
 /* device ids of the cards we support -- currently only 1 card supported */
-#define PCI_ID_PCIM_DDA06_16 0x0053
+#define PCI_VENDOR_ID_COMPUTERBOARDS	0x1307
+#define PCI_ID_PCIM_DDA06_16		0x0053
 
 /*
  * This is straight from skel.c -- I did this in case this source file

From 59af888d6af8e3d2c91b32e00e43f2ce750589b8 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 17:32:04 -0700
Subject: [PATCH 1074/3638] Staging: comedi: move another pci vendor id

Move the vendor id to the drivers needing it.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h           | 1 -
 drivers/staging/comedi/drivers/adv_pci1710.c | 2 ++
 drivers/staging/comedi/drivers/adv_pci1723.c | 4 ++--
 drivers/staging/comedi/drivers/adv_pci_dio.c | 2 ++
 4 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 8f842f85a10..5592cd162cd 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -109,7 +109,6 @@
 	COMEDI_MODULE_MACROS \
 	COMEDI_PCI_INITCLEANUP_NOMODULE(comedi_driver, pci_id_table)
 
-#define PCI_VENDOR_ID_ADVANTECH		0x13fe
 #define PCI_VENDOR_ID_AMPLICON		0x14dc
 #define PCI_VENDOR_ID_ADLINK		0x144a
 #define PCI_VENDOR_ID_ICP		0x104c
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index f5bb286bfbd..5c1ff779af2 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -63,6 +63,8 @@ Configuration options:
 #define DPRINTK(fmt, args...)
 #endif
 
+#define PCI_VENDOR_ID_ADVANTECH		0x13fe
+
 /* hardware types of the cards */
 #define TYPE_PCI171X	0
 #define TYPE_PCI1713	2
diff --git a/drivers/staging/comedi/drivers/adv_pci1723.c b/drivers/staging/comedi/drivers/adv_pci1723.c
index 1644490ed0a..9fe8fcc7f1d 100644
--- a/drivers/staging/comedi/drivers/adv_pci1723.c
+++ b/drivers/staging/comedi/drivers/adv_pci1723.c
@@ -52,7 +52,7 @@ TODO:
 
 #include "comedi_pci.h"
 
-#define ADVANTECH_VENDOR        0x13fe	/* Advantech PCI vendor ID */
+#define PCI_VENDOR_ID_ADVANTECH		0x13fe	/* Advantech PCI vendor ID */
 
 /* hardware types of the cards */
 #define TYPE_PCI1723 0
@@ -139,7 +139,7 @@ struct pci1723_board {
 static const struct pci1723_board boardtypes[] = {
 	{
 	 .name = "pci1723",
-	 .vendor_id = ADVANTECH_VENDOR,
+	 .vendor_id = PCI_VENDOR_ID_ADVANTECH,
 	 .device_id = 0x1723,
 	 .iorange = IORANGE_1723,
 	 .cardtype = TYPE_PCI1723,
diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c
index dbfeef8c5bc..40eeecf5347 100644
--- a/drivers/staging/comedi/drivers/adv_pci_dio.c
+++ b/drivers/staging/comedi/drivers/adv_pci_dio.c
@@ -45,6 +45,8 @@ Configuration options:
 #define DPRINTK(fmt, args...)
 #endif
 
+#define PCI_VENDOR_ID_ADVANTECH		0x13fe
+
 /* hardware types of the cards */
 enum hw_cards_id {
 	TYPE_PCI1730, TYPE_PCI1733, TYPE_PCI1734, TYPE_PCI1736,

From 6608224c9e5c8aacf88914697be2d5f1fc7a0be6 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 30 Apr 2010 17:36:52 -0700
Subject: [PATCH 1075/3638] Staging: comedi: remove another vendor id

This id was already in the drivers, so just use it there
instead of in a common header file.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h            | 1 -
 drivers/staging/comedi/drivers/amplc_dio200.c | 2 +-
 drivers/staging/comedi/drivers/amplc_pci224.c | 2 +-
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 5592cd162cd..f5b0810f225 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -109,7 +109,6 @@
 	COMEDI_MODULE_MACROS \
 	COMEDI_PCI_INITCLEANUP_NOMODULE(comedi_driver, pci_id_table)
 
-#define PCI_VENDOR_ID_AMPLICON		0x14dc
 #define PCI_VENDOR_ID_ADLINK		0x144a
 #define PCI_VENDOR_ID_ICP		0x104c
 #define PCI_VENDOR_ID_CONTEC		0x1221
diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c
index 92bcc205dd4..6a87652e7e2 100644
--- a/drivers/staging/comedi/drivers/amplc_dio200.c
+++ b/drivers/staging/comedi/drivers/amplc_dio200.c
@@ -218,7 +218,7 @@ order they appear in the channel list.
 #define DIO200_DRIVER_NAME	"amplc_dio200"
 
 /* PCI IDs */
-/* #define PCI_VENDOR_ID_AMPLICON 0x14dc */
+#define PCI_VENDOR_ID_AMPLICON 0x14dc
 #define PCI_DEVICE_ID_AMPLICON_PCI272 0x000a
 #define PCI_DEVICE_ID_AMPLICON_PCI215 0x000b
 #define PCI_DEVICE_ID_INVALID 0xffff
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index 8af156dca17..c486a878e18 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -118,7 +118,7 @@ Caveats:
 /*
  * PCI IDs.
  */
-/* #define PCI_VENDOR_ID_AMPLICON 0x14dc */
+#define PCI_VENDOR_ID_AMPLICON 0x14dc
 #define PCI_DEVICE_ID_AMPLICON_PCI224 0x0007
 #define PCI_DEVICE_ID_AMPLICON_PCI234 0x0008
 #define PCI_DEVICE_ID_INVALID 0xffff

From d42bffb8990ca9e74cc1ba625ce23dda2bd8c8c5 Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Fri, 30 Apr 2010 18:36:09 +0300
Subject: [PATCH 1076/3638] Staging: Yet another (third) dt3155 driver
 PCI/video4linux compliant

Kernel module (device driver) for dt3155 frame grabber
video4linux2 compliant (finally). Works with "xawtv -f".

======================================================

This driver is written (almost) from scratch, using the
allocator developed for dt3155pci see bellow). The driver
uses videobuf-dma-contig interface modified to use the above
mentioned allocator instead of dma_alloc_coheren().

The first thing to do was to design a new allocator based
on allocating a configurable number of 4MB chunks of memory,
that latter are broken into frame buffers of 768x576 bytes
kept in different FIFOs (queues). As far as the driver autoloads
as a kernel module during kernel boot, the allocation of 4MB
chunks succeeds.

The driver keeps three FIFOs: one for 4MB chunks, one for free
buffers (available for allocations) and one for buffers already
allocated. Allocation/deallocation is done automatically though
the video4linux videobuf subsystem (some pointers to functions
are replaced by driver supplied functions).

Sure, there are problems:

1. The device tested to work with "xawtv -f" either via read()
   method (DT3155_STREAMING not selected), or via mmap() method
   (DT3155_STREAMING is selected) only. This coresponds to either
   cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
   or
   cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
   but not when
   cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
                           V4L2_CAP_STREAMING |
                           V4L2_CAP_READWRITE;
   This is because xawtv calls poll() before starting streaming,
   but videobuf_poll_stream() automatically starts reading if streaming
   is not started.
   This selection is made during kernel configuration (for now).

2. Works for CCIR, but should work for RS-170 (not tested)
   This is made also during kernel configuration.

3. Could work for multiple dt3155 frame grabbers in a PC,
   (private data is allocated during PCI probe() method), but
   is not tested due to lack of a second board.

4. Not tested on a BIG ENDIAN architecture.

5. Many others you could find .... :-)

All critics, comments, suggestions are wellcome.

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                 |    2 +
 drivers/staging/dt3155v4l/Kconfig       |   28 +
 drivers/staging/dt3155v4l/Makefile      |    4 +
 drivers/staging/dt3155v4l/dt3155-bufs.c |  256 ++++
 drivers/staging/dt3155v4l/dt3155-bufs.h |   88 ++
 drivers/staging/dt3155v4l/dt3155v4l.c   | 1537 +++++++++++++++++++++++
 drivers/staging/dt3155v4l/dt3155v4l.h   |  220 ++++
 7 files changed, 2135 insertions(+)
 create mode 100644 drivers/staging/dt3155v4l/Kconfig
 create mode 100644 drivers/staging/dt3155v4l/Makefile
 create mode 100644 drivers/staging/dt3155v4l/dt3155-bufs.c
 create mode 100644 drivers/staging/dt3155v4l/dt3155-bufs.h
 create mode 100644 drivers/staging/dt3155v4l/dt3155v4l.c
 create mode 100644 drivers/staging/dt3155v4l/dt3155v4l.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index d97e46e60d9..6b00e15a371 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -137,6 +137,8 @@ source "drivers/staging/sm7xx/Kconfig"
 
 source "drivers/staging/dt3155/Kconfig"
 
+source "drivers/staging/dt3155v4l/Kconfig"
+
 source "drivers/staging/crystalhd/Kconfig"
 
 source "drivers/staging/cxt1e1/Kconfig"
diff --git a/drivers/staging/dt3155v4l/Kconfig b/drivers/staging/dt3155v4l/Kconfig
new file mode 100644
index 00000000000..5cef5420d28
--- /dev/null
+++ b/drivers/staging/dt3155v4l/Kconfig
@@ -0,0 +1,28 @@
+config VIDEO_DT3155
+	tristate "DT3155 frame grabber, Video4Linux interface"
+	depends on PCI && VIDEO_DEV && VIDEO_V4L2
+	select VIDEOBUF_DMA_CONTIG
+	default n
+	---help---
+	  Enables dt3155 device driver for the DataTranslation DT3155 frame grabber.
+	  Say Y here if you have this hardware.
+	  In doubt, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called dt3155_v4l.
+
+config DT3155_CCIR
+	bool "Selects CCIR/50Hz vertical refresh"
+	depends on VIDEO_DT3155
+	default y
+	---help---
+	  Select it for CCIR/50Hz (European region),
+	  or leave it unselected for RS-170/60Hz (North America).
+
+config DT3155_STREAMING
+	bool "Selects mmap streaming instead of read method"
+	depends on VIDEO_DT3155
+	default y
+	---help---
+	  Select it if you wish to try mmap streaming, or
+	  or leave it unselected for using read method.
diff --git a/drivers/staging/dt3155v4l/Makefile b/drivers/staging/dt3155v4l/Makefile
new file mode 100644
index 00000000000..3a207ccd314
--- /dev/null
+++ b/drivers/staging/dt3155v4l/Makefile
@@ -0,0 +1,4 @@
+obj-$(CONFIG_VIDEO_DT3155)	+= dt3155_v4l.o
+dt3155_v4l-objs :=	\
+		dt3155-bufs.o	\
+		dt3155v4l.o
diff --git a/drivers/staging/dt3155v4l/dt3155-bufs.c b/drivers/staging/dt3155v4l/dt3155-bufs.c
new file mode 100644
index 00000000000..f93e431e786
--- /dev/null
+++ b/drivers/staging/dt3155v4l/dt3155-bufs.c
@@ -0,0 +1,256 @@
+/***************************************************************************
+ *   Copyright (C) 2006-2010 by Marin Mitov                                *
+ *   mitov@issp.bas.bg                                                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include "dt3155-bufs.h"
+
+/**
+ * dt3155_init_chunks_buf - creates a chunk buffer and allocates memory for it
+ *
+ * returns:	a pointer to the struct dt3155_buf or NULL if failed
+ *
+ * Creates a struct dt3155_buf, then allocates a chunk of memory of
+ * size DT3155_CHUNK_SIZE and sets all the pages in it as Reserved.
+ * This is done to be able to use remap_pfn_range() on these buffers
+ * (which do not work on normal memory if Reserved bit is not set)
+ */
+struct dt3155_buf *
+dt3155_init_chunks_buf(void)
+{	/*  could sleep  */
+	struct dt3155_buf *buf;
+	int i;
+
+	buf = kzalloc(sizeof(*buf), GFP_KERNEL);
+	if (!buf)
+		return NULL;
+	buf->cpu = (void *)__get_free_pages(DT3155_CHUNK_FLAGS,
+					get_order(DT3155_CHUNK_SIZE));
+	if (!buf->cpu) {
+		kfree(buf);
+		return NULL;
+	}
+	for (i = 0; i < DT3155_CHUNK_SIZE; i += PAGE_SIZE)
+		SetPageReserved(virt_to_page(buf->cpu + i));
+	return buf;  /*   success  */
+}
+
+/**
+ * dt3155_free_chunks_buf - destroys the specified buffer
+ *
+ * @buf:	the buffer to be freed
+ *
+ * Clears Reserved bit of all pages in the chunk, frees the chunk memory
+ * and destroys struct dt3155_buf.
+ */
+void
+dt3155_free_chunks_buf(struct dt3155_buf *buf)
+{
+	int i;
+
+	for (i = 0; i < DT3155_CHUNK_SIZE; i += PAGE_SIZE)
+		ClearPageReserved(virt_to_page(buf->cpu + i));
+	free_pages((unsigned long)buf->cpu, get_order(DT3155_CHUNK_SIZE));
+	kfree(buf);
+}
+
+/**
+ * dt3155_init_fifo - creates and initializes a fifo
+ *
+ * returns:	a pointer to the crated and initialized struct dt3155_fifo
+ *		or NULL if failed
+ */
+struct dt3155_fifo *
+dt3155_init_fifo(void)
+{	/* could sleep  */
+	struct dt3155_fifo *fifo = kzalloc(sizeof(*fifo), GFP_KERNEL);
+	if (fifo)
+		spin_lock_init(&fifo->lock);
+	return fifo;
+}
+
+/*	dt3155_free_fifo(x)  defined as macro in dt3155.h   */
+
+/**
+ * dt3155_get_buf - gets a buffer from the fifo
+ *
+ * @fifo:	the fifo to get a buffer from
+ *
+ * returns:	a pointer to the buffer or NULL if failed
+ *
+ * dt3155_get_buf gets the fifo's spin_lock and returns the
+ * buffer pointed by the head. Could be used in any context.
+ */
+struct dt3155_buf *
+dt3155_get_buf(struct dt3155_fifo *fifo)
+{
+	unsigned long flags;
+	struct dt3155_buf *tmp_buf;
+
+	spin_lock_irqsave(&fifo->lock, flags);
+	tmp_buf = fifo->head;
+	if (fifo->head)
+		fifo->head = fifo->head->next;
+	if (!fifo->head)
+		fifo->tail = NULL;
+	spin_unlock_irqrestore(&fifo->lock, flags);
+	return tmp_buf;
+}
+
+/**
+ * dt3155_put_buf - puts a buffer into a fifo
+ *
+ * @buf:	the buffer to put
+ * @fifo:	the fifo to put the buffer in
+ *
+ * dt3155_put_buf gets the fifo's spin_lock and puts the buf
+ * at the tail of the fifo. Could be used in any context.
+ */
+void
+dt3155_put_buf(struct dt3155_buf *buf, struct dt3155_fifo *fifo)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&fifo->lock, flags);
+	buf->next = NULL;
+	if (fifo->tail)
+		fifo->tail->next = buf;
+	fifo->tail = buf;
+	if (!fifo->head)
+		fifo->head = buf;
+	spin_unlock_irqrestore(&fifo->lock, flags);
+}
+
+/**
+ * dt3155_init_chunks_fifo - creates and fills a chunks_fifo
+ *
+ * returns:	a pointer to the fifo or NULL if failed
+ *
+ * dt3155_init_chunks_fifo creates and fills the fifo with
+ * a number of chunks <= DT3155_CHUNK_NUM. The returned fifo
+ * contains at least one chunk.
+ */
+struct dt3155_fifo *
+dt3155_init_chunks_fifo(void)
+{	/*  could sleep  */
+	int i;
+
+	struct dt3155_fifo *chunks;
+	struct dt3155_buf *tmp_buf;
+
+	chunks = dt3155_init_fifo();
+	if (!chunks)
+		return NULL;
+	tmp_buf = dt3155_init_chunks_buf();
+	if (!tmp_buf) {
+		dt3155_free_fifo(chunks);
+		return NULL;
+	}
+	dt3155_put_buf(tmp_buf, chunks);
+	for (i = 1; i < DT3155_CHUNK_NUM; i++) {
+		tmp_buf = dt3155_init_chunks_buf();
+		if (!tmp_buf)
+			break;
+		dt3155_put_buf(tmp_buf, chunks);
+	}
+	return chunks;
+}
+
+/**
+ * dt3155_free_chunks_fifo - empties and destroys the chunks_fifo
+ *
+ * @chunks:	the chunks_fifo to be freed
+ *
+ * dt3155_free_chunks_fifo deallocates all chunks in the fifo and
+ * destroys it.
+ */
+void
+dt3155_free_chunks_fifo(struct dt3155_fifo *chunks)
+{
+	int buf_count = 0;
+	struct dt3155_buf *buf;
+
+	while ((buf = dt3155_get_buf(chunks))) {
+		dt3155_free_chunks_buf(buf);
+		buf_count++;
+	}
+	dt3155_free_fifo(chunks);
+	printk(KERN_INFO "dt3155: %i chunks freed\n", buf_count);
+}
+
+/**
+ * dt3155_init_ibufs_fifo - creates and fills an image buffer fifo
+ *
+ * @chunks:	chunks_fifo to take memory from
+ * @buf_size:	the size of image buffers
+ *
+ * returns:	a pointer to the fifo filled with image buffers
+ *
+ * dt3155_init_ibufs_fifo takes chunks from chunks_fifo, chops them
+ * into pieces of size buf_size and fills image fifo with them.
+ */
+struct dt3155_fifo *
+dt3155_init_ibufs_fifo(struct dt3155_fifo *chunks, int buf_size)
+{	/*  could sleep  */
+	int i, buf_count = 0;
+	struct dt3155_buf *tmp_ibuf, *chunks_buf, *last_chunk;
+	struct dt3155_fifo *tmp_fifo;
+
+	tmp_fifo = dt3155_init_fifo();
+	if (!tmp_fifo)
+		return NULL;
+	last_chunk = chunks->tail;
+	do {
+		chunks_buf = dt3155_get_buf(chunks);
+		dt3155_put_buf(chunks_buf, chunks);
+		for (i = 0; i < DT3155_CHUNK_SIZE / buf_size; i++) {
+			tmp_ibuf = kzalloc(sizeof(*tmp_ibuf), GFP_KERNEL);
+			if (tmp_ibuf) {
+				tmp_ibuf->cpu =
+					chunks_buf->cpu + DT3155_BUF_SIZE * i;
+				dt3155_put_buf(tmp_ibuf, tmp_fifo);
+				buf_count++;
+			} else {
+				if (buf_count) {
+					goto print_num_bufs;
+				} else {
+					dt3155_free_fifo(tmp_fifo);
+					return NULL;
+				}
+			}
+		}
+	} while (chunks_buf != last_chunk);
+print_num_bufs:
+	printk(KERN_INFO "dt3155: %i image buffers available\n", buf_count);
+	return tmp_fifo;
+}
+
+/**
+ * dt3155_free_ibufs_fifo - empties and destroys an image fifo
+ *
+ * @fifo:	the fifo to free
+ */
+void
+dt3155_free_ibufs_fifo(struct dt3155_fifo *fifo)
+{
+	struct dt3155_buf *tmp_ibuf;
+
+	while ((tmp_ibuf = dt3155_get_buf(fifo)))
+		kfree(tmp_ibuf);
+	kfree(fifo);
+}
diff --git a/drivers/staging/dt3155v4l/dt3155-bufs.h b/drivers/staging/dt3155v4l/dt3155-bufs.h
new file mode 100644
index 00000000000..db6d387231b
--- /dev/null
+++ b/drivers/staging/dt3155v4l/dt3155-bufs.h
@@ -0,0 +1,88 @@
+/***************************************************************************
+ *   Copyright (C) 2006-2010 by Marin Mitov                                *
+ *   mitov@issp.bas.bg                                                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifndef _DT3155_BUFS_H_
+#define _DT3155_BUFS_H_
+
+#include <linux/pci.h>
+
+/* 4 chunks of 4MB, 9 buffers each = 36 buffers (> VIDEO_MAX_FRAME) */
+#define DT3155_CHUNK_NUM 4
+
+/* DT3155_CHUNK_SIZE should be 4M (2^22) or less, but more than image size */
+#define DT3155_CHUNK_SIZE (1U << 22)
+#define DT3155_CHUNK_FLAGS (GFP_KERNEL | GFP_DMA32 | __GFP_COLD | __GFP_NOWARN)
+
+/* DT3155_BUF_SIZE = 108 * PAGE_SIZE, so each buf is PAGE_SIZE alligned  */
+#define DT3155_BUF_SIZE (768 * 576)
+
+/**
+ * struct dt3155_buf - image buffer structure
+ *
+ * @cpu:	virtual kernel address of the buffer
+ * @dma:	dma (bus) address of the buffer
+ * @next:	pointer to the next buffer in the fifo
+ * @tv:		time value when the image has been acquired
+ */
+struct dt3155_buf {
+	void *cpu;
+	dma_addr_t dma;
+	struct dt3155_buf *next;
+	struct timeval tv;
+};
+
+/**
+ * struct dt3155_fifo - fifo structure
+ *
+ * @head:	pointer to the head of the fifo
+ * @tail:	pionter to the tail of the fifo
+ * @lock:	spin_lock to protect the fifo
+ */
+struct dt3155_fifo {
+	struct dt3155_buf *head;
+	struct dt3155_buf *tail;
+	spinlock_t lock;
+};
+
+struct dt3155_buf * __must_check
+dt3155_init_chunks_buf(void);
+void
+dt3155_free_chunks_buf(struct dt3155_buf *buf);
+
+struct dt3155_fifo * __must_check
+dt3155_init_fifo(void);
+#define dt3155_free_fifo(x) kfree(x)
+
+struct dt3155_buf * __must_check
+dt3155_get_buf(struct dt3155_fifo *fifo);
+void
+dt3155_put_buf(struct dt3155_buf *buf, struct dt3155_fifo *fifo);
+
+struct dt3155_fifo * __must_check
+dt3155_init_chunks_fifo(void);
+void
+dt3155_free_chunks_fifo(struct dt3155_fifo *chunks);
+
+struct dt3155_fifo * __must_check
+dt3155_init_ibufs_fifo(struct dt3155_fifo *chunks, int buf_size);
+void
+dt3155_free_ibufs_fifo(struct dt3155_fifo *fifo);
+
+#endif /*  _DT3155_BUFS_H_  */
diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
new file mode 100644
index 00000000000..6282b7bbd4e
--- /dev/null
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -0,0 +1,1537 @@
+#include <media/v4l2-dev.h>
+#include <media/videobuf-core.h>
+#include <media/v4l2-ioctl.h>
+#include <linux/pci.h>
+#include <linux/version.h>
+#include <linux/stringify.h>
+#include <media/videobuf-dma-contig.h>
+#include <linux/kthread.h>
+
+#include "dt3155v4l.h"
+#include "dt3155-bufs.h"
+
+#define DT3155_VENDOR_ID 0x8086
+#define DT3155_DEVICE_ID 0x1223
+
+/*  global initializers (for all boards)  */
+#ifdef CONFIG_DT3155_CCIR
+static const u8 csr2_init = VT_50HZ;
+#define DT3155_CURRENT_NORM V4L2_STD_625_50
+static const unsigned int img_width = 768;
+static const unsigned int img_height = 576;
+static const unsigned int frames_per_sec = 25;
+static const struct v4l2_fmtdesc frame_std[] = {
+	{
+	.index = 0,
+	.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
+	.flags = 0,
+	.description = "CCIR/50Hz 8 bits gray",
+	.pixelformat = V4L2_PIX_FMT_GREY,
+	},
+};
+#else
+static const u8 csr2_init = VT_60HZ;
+#define DT3155_CURRENT_NORM V4L2_STD_525_60
+static const unsigned int img_width = 640;
+static const unsigned int img_height = 480;
+static const unsigned int frames_per_sec = 30;
+static const struct v4l2_fmtdesc frame_std[] = {
+	{
+	.index = 0,
+	.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
+	.flags = 0,
+	.description = "RS-170/60Hz 8 bits gray",
+	.pixelformat = V4L2_PIX_FMT_GREY,
+	},
+};
+#endif
+
+#define NUM_OF_FORMATS ARRAY_SIZE(frame_std)
+
+static u8 config_init = ACQ_MODE_EVEN;
+
+/**
+ * read_i2c_reg - reads an internal i2c register
+ *
+ * @addr:	dt3155 mmio base address
+ * @index:	index (internal address) of register to read
+ * @data:	pointer to byte the read data will be placed in
+ *
+ * returns:	zero on success or error code
+ *
+ * This function starts reading the specified (by index) register
+ * and busy waits for the process to finish. The result is placed
+ * in a byte pointed by data.
+ */
+static int
+read_i2c_reg(void *addr, u8 index, u8 *data)
+{
+	u32 tmp = index;
+
+	iowrite32((tmp<<17) | IIC_READ, addr + IIC_CSR2);
+	mmiowb();
+	udelay(45); /* wait at least 43 usec for NEW_CYCLE to clear */
+	if (ioread32(addr + IIC_CSR2) & NEW_CYCLE) {
+		/* error: NEW_CYCLE not cleared */
+		printk(KERN_ERR "dt3155: NEW_CYCLE not cleared\n");
+		return -EIO;
+	}
+	tmp = ioread32(addr + IIC_CSR1);
+	if (tmp & DIRECT_ABORT) {
+		/* error: DIRECT_ABORT set */
+		printk(KERN_ERR "dt3155: DIRECT_ABORT set\n");
+		/* reset DIRECT_ABORT bit */
+		iowrite32(DIRECT_ABORT, addr + IIC_CSR1);
+		return -EIO;
+	}
+	*data = tmp>>24;
+	return 0;
+}
+
+/**
+ * write_i2c_reg - writes to an internal i2c register
+ *
+ * @addr:	dt3155 mmio base address
+ * @index:	index (internal address) of register to read
+ * @data:	data to be written
+ *
+ * returns:	zero on success or error code
+ *
+ * This function starts writting the specified (by index) register
+ * and busy waits for the process to finish.
+ */
+static int
+write_i2c_reg(void *addr, u8 index, u8 data)
+{
+	u32 tmp = index;
+
+	iowrite32((tmp<<17) | IIC_WRITE | data, addr + IIC_CSR2);
+	mmiowb();
+	udelay(65); /* wait at least 63 usec for NEW_CYCLE to clear */
+	if (ioread32(addr + IIC_CSR2) & NEW_CYCLE) {
+		/* error: NEW_CYCLE not cleared */
+		printk(KERN_ERR "dt3155: NEW_CYCLE not cleared\n");
+		return -EIO;
+	}
+	if (ioread32(addr + IIC_CSR1) & DIRECT_ABORT) {
+		/* error: DIRECT_ABORT set */
+		printk(KERN_ERR "dt3155: DIRECT_ABORT set\n");
+		/* reset DIRECT_ABORT bit */
+		iowrite32(DIRECT_ABORT, addr + IIC_CSR1);
+		return -EIO;
+	}
+	return 0;
+}
+
+/**
+ * write_i2c_reg_nowait - writes to an internal i2c register
+ *
+ * @addr:	dt3155 mmio base address
+ * @index:	index (internal address) of register to read
+ * @data:	data to be written
+ *
+ * This function starts writting the specified (by index) register
+ * and then returns.
+ */
+void
+write_i2c_reg_nowait(void *addr, u8 index, u8 data)
+{
+	u32 tmp = index;
+
+	iowrite32((tmp<<17) | IIC_WRITE | data, addr + IIC_CSR2);
+	mmiowb();
+}
+
+/**
+ * wait_i2c_reg - waits the read/write to finish
+ *
+ * @addr:	dt3155 mmio base address
+ *
+ * returns:	zero on success or error code
+ *
+ * This function waits reading/writting to finish.
+ */
+static int
+wait_i2c_reg(void *addr)
+{
+	if (ioread32(addr + IIC_CSR2) & NEW_CYCLE)
+		udelay(65); /* wait at least 63 usec for NEW_CYCLE to clear */
+	if (ioread32(addr + IIC_CSR2) & NEW_CYCLE) {
+		/* error: NEW_CYCLE not cleared */
+		printk(KERN_ERR "dt3155: NEW_CYCLE not cleared\n");
+		return -EIO;
+	}
+	if (ioread32(addr + IIC_CSR1) & DIRECT_ABORT) {
+		/* error: DIRECT_ABORT set */
+		printk(KERN_ERR "dt3155: DIRECT_ABORT set\n");
+		/* reset DIRECT_ABORT bit */
+		iowrite32(DIRECT_ABORT, addr + IIC_CSR1);
+		return -EIO;
+	}
+	return 0;
+}
+
+/*
+ * global pointers to a list of 4MB chunks reserved at driver
+ * load, broken down to contiguous buffers of 768 * 576 bytes
+ * each to form a pool of buffers for allocations
+ * FIXME: add spinlock to protect moves between alloc/free lists
+ */
+static struct dt3155_fifo *dt3155_chunks;	/* list of 4MB chuncks */
+static struct dt3155_fifo *dt3155_free_bufs;	/* list of free buffers */
+static struct dt3155_fifo *dt3155_alloc_bufs;	/* list of allocated buffers */
+
+/* same as in <drivers/media/video/videobuf-dma-contig.c> */
+struct videobuf_dma_contig_memory {
+	u32 magic;
+	void *vaddr;
+	dma_addr_t dma_handle;
+	unsigned long size;
+	int is_userptr;
+};
+
+#define MAGIC_DC_MEM 0x0733ac61
+#define MAGIC_CHECK(is, should)						    \
+	if (unlikely((is) != (should)))	{				    \
+		pr_err("magic mismatch: %x expected %x\n", (is), (should)); \
+		BUG();							    \
+	}
+
+/* helper functions to allocate/free buffers from the pool */
+static void *
+dt3155_alloc_buffer(struct device *dev, size_t size, dma_addr_t *dma_handle,
+								gfp_t flag)
+{
+	struct dt3155_buf *buf;
+
+	if (size > DT3155_BUF_SIZE)
+		return NULL;
+	size = DT3155_BUF_SIZE; /* same for CCIR & RS-170 */
+	buf = dt3155_get_buf(dt3155_free_bufs);
+	if (!buf)
+		return NULL;
+	buf->dma = dma_map_single(dev, buf->cpu, size, DMA_FROM_DEVICE);
+	if (dma_mapping_error(dev, buf->dma)) {
+		dt3155_put_buf(buf, dt3155_free_bufs);
+		return NULL;
+	}
+	dt3155_put_buf(buf, dt3155_alloc_bufs);
+	*dma_handle = buf->dma;
+	return buf->cpu;
+}
+
+static void
+dt3155_free_buffer(struct device *dev, size_t size, void *cpu_addr,
+							dma_addr_t dma_handle)
+{
+	struct dt3155_buf *buf, *last;
+	int found = 0;
+
+	if (!cpu_addr) /* to free NULL is OK */
+		return;
+	last = dt3155_get_buf(dt3155_alloc_bufs);
+	if (!last) {
+		printk(KERN_ERR "dt3155: %s(): no alloc buffers\n", __func__);
+		return;
+	}
+	dt3155_put_buf(last, dt3155_alloc_bufs);
+	do {
+		buf = dt3155_get_buf(dt3155_alloc_bufs);
+		if (buf->cpu == cpu_addr && buf->dma == dma_handle) {
+			found = 1;
+			break;
+		}
+		dt3155_put_buf(buf, dt3155_alloc_bufs);
+	} while (buf != last);
+	if (!found) {
+		printk(KERN_ERR "dt3155: %s(): buffer not found\n", __func__);
+		return;
+	}
+	size = DT3155_BUF_SIZE; /* same for CCIR & RS-170 */
+	dma_unmap_single(dev, dma_handle, size, DMA_FROM_DEVICE);
+	dt3155_put_buf(buf, dt3155_free_bufs);
+}
+
+/* same as videobuf_dma_contig_user_get() */
+static int
+dt3155_dma_contig_user_get(struct videobuf_dma_contig_memory *mem,
+					struct videobuf_buffer *vb)
+{
+	struct mm_struct *mm = current->mm;
+	struct vm_area_struct *vma;
+	unsigned long prev_pfn, this_pfn;
+	unsigned long pages_done, user_address;
+	int ret;
+
+	mem->size = PAGE_ALIGN(vb->size);
+	mem->is_userptr = 0;
+	ret = -EINVAL;
+
+	down_read(&mm->mmap_sem);
+
+	vma = find_vma(mm, vb->baddr);
+	if (!vma)
+		goto out_up;
+
+	if ((vb->baddr + mem->size) > vma->vm_end)
+		goto out_up;
+
+	pages_done = 0;
+	prev_pfn = 0; /* kill warning */
+	user_address = vb->baddr;
+
+	while (pages_done < (mem->size >> PAGE_SHIFT)) {
+		ret = follow_pfn(vma, user_address, &this_pfn);
+		if (ret)
+			break;
+
+		if (pages_done == 0)
+			mem->dma_handle = this_pfn << PAGE_SHIFT;
+		else if (this_pfn != (prev_pfn + 1))
+			ret = -EFAULT;
+
+		if (ret)
+			break;
+
+		prev_pfn = this_pfn;
+		user_address += PAGE_SIZE;
+		pages_done++;
+	}
+
+	if (!ret)
+		mem->is_userptr = 1;
+
+ out_up:
+	up_read(&current->mm->mmap_sem);
+
+	return ret;
+}
+
+/* same as videobuf_dma_contig_user_put() */
+static void
+dt3155_dma_contig_user_put(struct videobuf_dma_contig_memory *mem)
+{
+	mem->is_userptr = 0;
+	mem->dma_handle = 0;
+	mem->size = 0;
+}
+
+/* same as videobuf_iolock() but uses allocations from the pool */
+static int
+dt3155_iolock(struct videobuf_queue *q, struct videobuf_buffer *vb,
+						struct v4l2_framebuffer *fbuf)
+{
+	struct videobuf_dma_contig_memory *mem = vb->priv;
+
+	BUG_ON(!mem);
+	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
+
+	switch (vb->memory) {
+	case V4L2_MEMORY_MMAP:
+		dev_dbg(q->dev, "%s memory method MMAP\n", __func__);
+
+		/* All handling should be done by __videobuf_mmap_mapper() */
+		if (!mem->vaddr) {
+			dev_err(q->dev, "memory is not alloced/mmapped.\n");
+			return -EINVAL;
+		}
+		break;
+	case V4L2_MEMORY_USERPTR:
+		dev_dbg(q->dev, "%s memory method USERPTR\n", __func__);
+
+		/* handle pointer from user space */
+		if (vb->baddr)
+			return dt3155_dma_contig_user_get(mem, vb);
+
+		/* allocate memory for the read() method */
+		mem->size = PAGE_ALIGN(vb->size);
+		mem->vaddr = dt3155_alloc_buffer(q->dev, mem->size,
+						&mem->dma_handle, GFP_KERNEL);
+		if (!mem->vaddr) {
+			dev_err(q->dev, "dma_alloc_coherent %ld failed\n",
+					 mem->size);
+			return -ENOMEM;
+		}
+
+		dev_dbg(q->dev, "dma_alloc_coherent data is at %p (%ld)\n",
+			mem->vaddr, mem->size);
+		break;
+	case V4L2_MEMORY_OVERLAY:
+	default:
+		dev_dbg(q->dev, "%s memory method OVERLAY/unknown\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* same as videobuf_dma_contig_free() but uses the pool */
+void
+dt3155_dma_contig_free(struct videobuf_queue *q, struct videobuf_buffer *buf)
+{
+	struct videobuf_dma_contig_memory *mem = buf->priv;
+
+	/* mmapped memory can't be freed here, otherwise mmapped region
+	   would be released, while still needed. In this case, the memory
+	   release should happen inside videobuf_vm_close().
+	   So, it should free memory only if the memory were allocated for
+	   read() operation.
+	 */
+	if (buf->memory != V4L2_MEMORY_USERPTR)
+		return;
+
+	if (!mem)
+		return;
+
+	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
+
+	/* handle user space pointer case */
+	if (buf->baddr) {
+		dt3155_dma_contig_user_put(mem);
+		return;
+	}
+
+	/* read() method */
+	dt3155_free_buffer(q->dev, mem->size, mem->vaddr, mem->dma_handle);
+	mem->vaddr = NULL;
+}
+
+/* same as videobuf_vm_open() */
+static void
+dt3155_vm_open(struct vm_area_struct *vma)
+{
+	struct videobuf_mapping *map = vma->vm_private_data;
+
+	dev_dbg(map->q->dev, "vm_open %p [count=%u,vma=%08lx-%08lx]\n",
+		map, map->count, vma->vm_start, vma->vm_end);
+
+	map->count++;
+}
+
+/* same as videobuf_vm_close(), but free to the pool */
+static void
+dt3155_vm_close(struct vm_area_struct *vma)
+{
+	struct videobuf_mapping *map = vma->vm_private_data;
+	struct videobuf_queue *q = map->q;
+	int i;
+
+	dev_dbg(map->q->dev, "vm_close %p [count=%u,vma=%08lx-%08lx]\n",
+		map, map->count, vma->vm_start, vma->vm_end);
+
+	map->count--;
+	if (0 == map->count) {
+		struct videobuf_dma_contig_memory *mem;
+
+		dev_dbg(map->q->dev, "munmap %p q=%p\n", map, q);
+		mutex_lock(&q->vb_lock);
+
+		/* We need first to cancel streams, before unmapping */
+		if (q->streaming)
+			videobuf_queue_cancel(q);
+
+		for (i = 0; i < VIDEO_MAX_FRAME; i++) {
+			if (NULL == q->bufs[i])
+				continue;
+
+			if (q->bufs[i]->map != map)
+				continue;
+
+			mem = q->bufs[i]->priv;
+			if (mem) {
+				/* This callback is called only if kernel has
+				   allocated memory and this memory is mmapped.
+				   In this case, memory should be freed,
+				   in order to do memory unmap.
+				 */
+
+				MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
+
+				/* vfree is not atomic - can't be
+				   called with IRQ's disabled
+				 */
+				dev_dbg(map->q->dev, "buf[%d] freeing %p\n",
+					i, mem->vaddr);
+
+				dt3155_free_buffer(q->dev, mem->size,
+						mem->vaddr, mem->dma_handle);
+				mem->vaddr = NULL;
+			}
+
+			q->bufs[i]->map   = NULL;
+			q->bufs[i]->baddr = 0;
+		}
+
+		kfree(map);
+
+		mutex_unlock(&q->vb_lock);
+	}
+}
+
+static const struct vm_operations_struct dt3155_vm_ops = {
+	.open     = dt3155_vm_open,
+	.close    = dt3155_vm_close,
+};
+
+/* same as videobuf_mmap_mapper(), but allocates from the pool */
+static int
+dt3155_mmap_mapper(struct videobuf_queue *q, struct vm_area_struct *vma)
+{
+	struct videobuf_dma_contig_memory *mem;
+	struct videobuf_mapping *map;
+	unsigned int first;
+	int retval;
+	unsigned long size, offset = vma->vm_pgoff << PAGE_SHIFT;
+
+	dev_dbg(q->dev, "%s\n", __func__);
+	if (!(vma->vm_flags & VM_WRITE) || !(vma->vm_flags & VM_SHARED))
+		return -EINVAL;
+
+	/* look for first buffer to map */
+	for (first = 0; first < VIDEO_MAX_FRAME; first++) {
+		if (!q->bufs[first])
+			continue;
+
+		if (V4L2_MEMORY_MMAP != q->bufs[first]->memory)
+			continue;
+		if (q->bufs[first]->boff == offset)
+			break;
+	}
+	if (VIDEO_MAX_FRAME == first) {
+		dev_dbg(q->dev, "invalid user space offset [offset=0x%lx]\n",
+			offset);
+		return -EINVAL;
+	}
+
+	/* create mapping + update buffer list */
+	map = kzalloc(sizeof(struct videobuf_mapping), GFP_KERNEL);
+	if (!map)
+		return -ENOMEM;
+
+	q->bufs[first]->map = map;
+	map->start = vma->vm_start;
+	map->end = vma->vm_end;
+	map->q = q;
+
+	q->bufs[first]->baddr = vma->vm_start;
+
+	mem = q->bufs[first]->priv;
+	BUG_ON(!mem);
+	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
+
+	mem->size = PAGE_ALIGN(q->bufs[first]->bsize);
+	mem->vaddr = dt3155_alloc_buffer(q->dev, mem->size,
+					&mem->dma_handle, GFP_KERNEL);
+	if (!mem->vaddr) {
+		dev_err(q->dev, "dma_alloc_coherent size %ld failed\n",
+			mem->size);
+		goto error;
+	}
+	dev_dbg(q->dev, "dma_alloc_coherent data is at addr %p (size %ld)\n",
+		mem->vaddr, mem->size);
+
+	/* Try to remap memory */
+
+	size = vma->vm_end - vma->vm_start;
+	size = (size < mem->size) ? size : mem->size;
+
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+	retval = remap_pfn_range(vma, vma->vm_start,
+				 mem->dma_handle >> PAGE_SHIFT,
+				 size, vma->vm_page_prot);
+	if (retval) {
+		dev_err(q->dev, "mmap: remap failed with error %d. ", retval);
+		dt3155_free_buffer(q->dev, mem->size,
+				  mem->vaddr, mem->dma_handle);
+		goto error;
+	}
+
+	vma->vm_ops          = &dt3155_vm_ops;
+	vma->vm_flags       |= VM_DONTEXPAND;
+	vma->vm_private_data = map;
+
+	dev_dbg(q->dev, "mmap %p: q=%p %08lx-%08lx (%lx) pgoff %08lx buf %d\n",
+		map, q, vma->vm_start, vma->vm_end,
+		(long int) q->bufs[first]->bsize,
+		vma->vm_pgoff, first);
+
+	dt3155_vm_open(vma);
+
+	return 0;
+
+error:
+	kfree(map);
+	return -ENOMEM;
+}
+
+static int
+dt3155_sync_for_cpu(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+	struct dt3155_priv *pd = q->priv_data;
+	struct videobuf_dma_contig_memory *mem = vb->priv;
+
+	BUG_ON(!mem);
+	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
+
+	pci_dma_sync_single_for_cpu(pd->pdev, mem->dma_handle,
+					mem->size, PCI_DMA_FROMDEVICE);
+	return 0;
+}
+
+static int
+dt3155_sync_for_device(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+	struct dt3155_priv *pd = q->priv_data;
+	struct videobuf_dma_contig_memory *mem = vb->priv;
+
+	BUG_ON(!mem);
+	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
+
+	pci_dma_sync_single_for_device(pd->pdev, mem->dma_handle,
+						mem->size, PCI_DMA_FROMDEVICE);
+	return 0;
+}
+
+/*
+ * same as videobuf_queue_dma_contig_init(), but after
+ * initialisation overwrites videobuf_iolock() and
+ * videobuf_mmap_mapper() with our customized versions
+ * as well as adds sync() method
+ */
+static void
+dt3155_queue_dma_contig_init(struct videobuf_queue *q,
+					struct videobuf_queue_ops *ops,
+					struct device *dev,
+					spinlock_t *irqlock,
+					enum v4l2_buf_type type,
+					enum v4l2_field field,
+					unsigned int msize,
+					void *priv)
+{
+	videobuf_queue_dma_contig_init(q, ops, dev, irqlock,
+				       type, field, msize, priv);
+	/* overwrite with our methods */
+	q->int_ops->iolock = dt3155_iolock;
+	q->int_ops->mmap_mapper = dt3155_mmap_mapper;
+	q->int_ops->sync = dt3155_sync_for_cpu;
+}
+
+static int
+dt3155_start_acq(struct dt3155_priv *pd)
+{
+	struct videobuf_buffer *vb = pd->curr_buf;
+	dma_addr_t dma_addr;
+
+	dma_addr = videobuf_to_dma_contig(vb);
+	iowrite32(dma_addr, pd->regs + EVEN_DMA_START);
+	iowrite32(dma_addr + vb->width, pd->regs + ODD_DMA_START);
+	iowrite32(vb->width, pd->regs + EVEN_DMA_STRIDE);
+	iowrite32(vb->width, pd->regs + ODD_DMA_STRIDE);
+	/* enable interrupts, clear all irq flags */
+	iowrite32(FLD_START_EN | FLD_END_ODD_EN | FLD_START |
+			FLD_END_EVEN | FLD_END_ODD, pd->regs + INT_CSR);
+	iowrite32(FIFO_EN | SRST | FLD_CRPT_ODD | FLD_CRPT_EVEN |
+		  FLD_DN_ODD | FLD_DN_EVEN | CAP_CONT_EVEN | CAP_CONT_ODD,
+							pd->regs + CSR1);
+	wait_i2c_reg(pd->regs);
+	write_i2c_reg(pd->regs, CONFIG, pd->config);
+	write_i2c_reg(pd->regs, EVEN_CSR, CSR_ERROR | CSR_DONE);
+	write_i2c_reg(pd->regs, ODD_CSR, CSR_ERROR | CSR_DONE);
+
+	/*  start the board  */
+	write_i2c_reg(pd->regs, CSR2, pd->csr2 | BUSY_EVEN | BUSY_ODD);
+	return 0; /* success  */
+}
+
+static int
+dt3155_stop_acq(struct dt3155_priv *pd)
+{
+	int tmp;
+
+	/*  stop the board  */
+	wait_i2c_reg(pd->regs);
+	write_i2c_reg(pd->regs, CSR2, pd->csr2);
+
+	/* disable all irqs, clear all irq flags */
+	iowrite32(FLD_START | FLD_END_EVEN | FLD_END_ODD, pd->regs + INT_CSR);
+	write_i2c_reg(pd->regs, EVEN_CSR, CSR_ERROR | CSR_DONE);
+	write_i2c_reg(pd->regs, ODD_CSR, CSR_ERROR | CSR_DONE);
+	tmp = ioread32(pd->regs + CSR1) & (FLD_CRPT_EVEN | FLD_CRPT_ODD);
+	if (tmp)
+		printk(KERN_ERR "dt3155: corrupted field %u\n", tmp);
+	iowrite32(FIFO_EN | SRST | FLD_CRPT_ODD | FLD_CRPT_EVEN |
+		  FLD_DN_ODD | FLD_DN_EVEN | CAP_CONT_EVEN | CAP_CONT_ODD,
+							pd->regs + CSR1);
+	return 0;
+}
+
+/* Locking: Caller holds q->vb_lock */
+static int
+dt3155_buf_setup(struct videobuf_queue *q, unsigned int *count,
+							unsigned int *size)
+{
+	*size = img_width * img_height;
+	return 0;
+}
+
+/* Locking: Caller holds q->vb_lock */
+static int
+dt3155_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
+							enum v4l2_field field)
+{
+	int ret = 0;
+
+	vb->width = img_width;
+	vb->height = img_height;
+	vb->size = img_width * img_height;
+	vb->field = field;
+	if (vb->state == VIDEOBUF_NEEDS_INIT)
+		ret = videobuf_iolock(q, vb, NULL);
+	if (ret) {
+		vb->state = VIDEOBUF_ERROR;
+		printk(KERN_ERR "ERROR: videobuf_iolock() failed\n");
+		videobuf_dma_contig_free(q, vb);
+	} else
+		vb->state = VIDEOBUF_PREPARED;
+	return ret;
+}
+
+/* Locking: Caller holds q->vb_lock & q->irqlock */
+static void
+dt3155_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+	struct dt3155_priv *pd = q->priv_data;
+
+	if (vb->state != VIDEOBUF_NEEDS_INIT) {
+		vb->state = VIDEOBUF_QUEUED;
+		dt3155_sync_for_device(q, vb);
+		list_add_tail(&vb->queue, &pd->dmaq);
+		wake_up_interruptible_sync(&pd->do_dma);
+	} else
+		vb->state = VIDEOBUF_ERROR;
+}
+
+/* Locking: Caller holds q->vb_lock */
+static void
+dt3155_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+	if (vb->state == VIDEOBUF_ACTIVE)
+		videobuf_waiton(vb, 0, 0); /* FIXME: cannot be interrupted */
+	dt3155_dma_contig_free(q, vb);
+	vb->state = VIDEOBUF_NEEDS_INIT;
+}
+
+static struct videobuf_queue_ops vbq_ops = {
+	.buf_setup = dt3155_buf_setup,
+	.buf_prepare = dt3155_buf_prepare,
+	.buf_queue = dt3155_buf_queue,
+	.buf_release = dt3155_buf_release,
+};
+
+static irqreturn_t
+dt3155_irq_handler_even(int irq, void *dev_id)
+{
+	struct dt3155_priv *ipd = dev_id;
+	struct videobuf_buffer *ivb;
+	dma_addr_t dma_addr;
+	u32 tmp;
+
+	tmp = ioread32(ipd->regs + INT_CSR) & (FLD_START | FLD_END_ODD);
+	if (!tmp)
+		return IRQ_NONE;  /* not our irq */
+	if ((tmp & FLD_START) && !(tmp & FLD_END_ODD)) {
+		iowrite32(FLD_START_EN | FLD_END_ODD_EN | FLD_START,
+							ipd->regs + INT_CSR);
+		ipd->field_count++;
+		return IRQ_HANDLED; /* start of field irq */
+	}
+	if ((tmp & FLD_START) && (tmp & FLD_END_ODD)) {
+		if (!ipd->stats.start_before_end++)
+			printk(KERN_ERR "dt3155: irq: START before END\n");
+	}
+	/*	check for corrupted fields     */
+/*	write_i2c_reg(ipd->regs, EVEN_CSR, CSR_ERROR | CSR_DONE);	*/
+/*	write_i2c_reg(ipd->regs, ODD_CSR, CSR_ERROR | CSR_DONE);	*/
+	tmp = ioread32(ipd->regs + CSR1) & (FLD_CRPT_EVEN | FLD_CRPT_ODD);
+	if (tmp) {
+		if (!ipd->stats.corrupted_fields++)
+			printk(KERN_ERR "dt3155: corrupted field %u\n", tmp);
+		iowrite32(FIFO_EN | SRST | FLD_CRPT_ODD | FLD_CRPT_EVEN |
+						FLD_DN_ODD | FLD_DN_EVEN |
+						CAP_CONT_EVEN | CAP_CONT_ODD,
+							ipd->regs + CSR1);
+		mmiowb();
+	}
+
+	spin_lock(&ipd->lock);
+	if (ipd->curr_buf && ipd->curr_buf->state == VIDEOBUF_ACTIVE) {
+		if (waitqueue_active(&ipd->curr_buf->done)) {
+			do_gettimeofday(&ipd->curr_buf->ts);
+			ipd->curr_buf->field_count = ipd->field_count;
+			ipd->curr_buf->state = VIDEOBUF_DONE;
+			wake_up(&ipd->curr_buf->done);
+		} else {
+			ivb = ipd->curr_buf;
+			goto load_dma;
+		}
+	} else
+		goto stop_dma;
+	if (list_empty(&ipd->dmaq))
+		goto stop_dma;
+	ivb = list_first_entry(&ipd->dmaq, typeof(*ivb), queue);
+	list_del(&ivb->queue);
+	if (ivb->state == VIDEOBUF_QUEUED) {
+		ivb->state = VIDEOBUF_ACTIVE;
+		ipd->curr_buf = ivb;
+	} else
+		goto stop_dma;
+load_dma:
+	dma_addr = videobuf_to_dma_contig(ivb);
+	iowrite32(dma_addr, ipd->regs + EVEN_DMA_START);
+	iowrite32(dma_addr + ivb->width, ipd->regs + ODD_DMA_START);
+	iowrite32(ivb->width, ipd->regs + EVEN_DMA_STRIDE);
+	iowrite32(ivb->width, ipd->regs + ODD_DMA_STRIDE);
+	mmiowb();
+	/* enable interrupts, clear all irq flags */
+	iowrite32(FLD_START_EN | FLD_END_ODD_EN | FLD_START |
+			FLD_END_EVEN | FLD_END_ODD, ipd->regs + INT_CSR);
+	spin_unlock(&ipd->lock);
+	return IRQ_HANDLED;
+
+stop_dma:
+	ipd->curr_buf = NULL;
+	/* stop the board */
+	write_i2c_reg_nowait(ipd->regs, CSR2, ipd->csr2);
+	/* disable interrupts, clear all irq flags */
+	iowrite32(FLD_START | FLD_END_EVEN | FLD_END_ODD, ipd->regs + INT_CSR);
+	spin_unlock(&ipd->lock);
+	return IRQ_HANDLED;
+}
+
+static int
+dt3155_threadfn(void *arg)
+{
+	struct dt3155_priv *pd = arg;
+	struct videobuf_buffer *vb;
+	unsigned long flags;
+
+	while (1) {
+		wait_event_interruptible(pd->do_dma,
+			kthread_should_stop() || !list_empty(&pd->dmaq));
+		if (kthread_should_stop())
+			break;
+
+		spin_lock_irqsave(&pd->lock, flags);
+		if (pd->curr_buf) /* dma is active */
+			goto done;
+		if (list_empty(&pd->dmaq)) /* no empty biffers */
+			goto done;
+		vb = list_first_entry(&pd->dmaq, typeof(*vb), queue);
+		list_del(&vb->queue);
+		if (vb->state == VIDEOBUF_QUEUED) {
+			vb->state = VIDEOBUF_ACTIVE;
+			pd->curr_buf = vb;
+			spin_unlock_irqrestore(&pd->lock, flags);
+			/* start dma */
+			dt3155_start_acq(pd);
+			continue;
+		} else
+			printk(KERN_DEBUG "%s(): This is a BUG\n", __func__);
+done:
+		spin_unlock_irqrestore(&pd->lock, flags);
+	}
+	return 0;
+}
+
+static int
+dt3155_open(struct file *filp)
+{
+	int ret = 0;
+	struct dt3155_priv *pd = video_drvdata(filp);
+
+	printk(KERN_INFO "dt3155: open(): minor: %i\n", pd->vdev->minor);
+
+	if (mutex_lock_interruptible(&pd->mux) == -EINTR)
+		return -ERESTARTSYS;
+	if (!pd->users) {
+		pd->vidq = kzalloc(sizeof(*pd->vidq), GFP_KERNEL);
+		if (!pd->vidq) {
+			printk(KERN_ERR "dt3155: error: alloc queue\n");
+			ret = -ENOMEM;
+			goto err_alloc_queue;
+		}
+		dt3155_queue_dma_contig_init(pd->vidq, &vbq_ops,
+				&pd->pdev->dev, &pd->lock,
+				V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE,
+				sizeof(struct videobuf_buffer), pd);
+		/* disable all irqs, clear all irq flags */
+		iowrite32(FLD_START | FLD_END_EVEN | FLD_END_ODD,
+						pd->regs + INT_CSR);
+		pd->irq_handler = dt3155_irq_handler_even;
+		ret = request_irq(pd->pdev->irq, pd->irq_handler,
+						IRQF_SHARED, DT3155_NAME, pd);
+		if (ret) {
+			printk(KERN_ERR "dt3155: error: request_irq\n");
+			goto err_request_irq;
+		}
+		pd->curr_buf = NULL;
+		pd->thread = kthread_run(dt3155_threadfn, pd,
+					"dt3155_thread_%i", pd->vdev->minor);
+		if (IS_ERR(pd->thread)) {
+			printk(KERN_ERR "dt3155: kthread_run() failed\n");
+			ret = PTR_ERR(pd->thread);
+			goto err_thread;
+		}
+		pd->field_count = 0;
+	}
+	pd->users++;
+	goto done;
+err_thread:
+	free_irq(pd->pdev->irq, pd);
+err_request_irq:
+	kfree(pd->vidq);
+	pd->vidq = NULL;
+err_alloc_queue:
+done:
+	mutex_unlock(&pd->mux);
+	return ret;
+}
+
+static int
+dt3155_release(struct file *filp)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+	struct videobuf_buffer *tmp;
+	unsigned long flags;
+	int ret = 0;
+
+	printk(KERN_INFO "dt3155: release(): minor: %i\n", pd->vdev->minor);
+
+	if (mutex_lock_interruptible(&pd->mux) == -EINTR)
+		return -ERESTARTSYS;
+	pd->users--;
+	BUG_ON(pd->users < 0);
+	if (pd->acq_fp == filp) {
+		spin_lock_irqsave(&pd->lock, flags);
+		INIT_LIST_HEAD(&pd->dmaq); /* queue is emptied */
+		tmp = pd->curr_buf;
+		spin_unlock_irqrestore(&pd->lock, flags);
+		if (tmp)
+			videobuf_waiton(tmp, 0, 1); /* block, interruptible */
+		dt3155_stop_acq(pd);
+		videobuf_stop(pd->vidq);
+		pd->acq_fp = NULL;
+	}
+	if (!pd->users) {
+		kthread_stop(pd->thread);
+		free_irq(pd->pdev->irq, pd);
+		kfree(pd->vidq);
+		pd->vidq = NULL;
+	}
+	mutex_unlock(&pd->mux);
+	return ret;
+}
+
+static ssize_t
+dt3155_read(struct file *filp, char __user *user, size_t size, loff_t *loff)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+	int ret;
+
+	if (mutex_lock_interruptible(&pd->mux) == -EINTR)
+		return -ERESTARTSYS;
+	if (!pd->acq_fp)
+		pd->acq_fp = filp;
+	else if (pd->acq_fp != filp) {
+		ret = -EBUSY;
+		goto done;
+	}
+	ret = videobuf_read_stream(pd->vidq, user, size, loff, 0,
+						filp->f_flags & O_NONBLOCK);
+done:
+	mutex_unlock(&pd->mux);
+	return ret;
+}
+
+static unsigned int
+dt3155_poll(struct file *filp, struct poll_table_struct *polltbl)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+
+	return videobuf_poll_stream(filp, pd->vidq, polltbl);
+}
+
+static int
+dt3155_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+
+	return videobuf_mmap_mapper(pd->vidq, vma);
+}
+
+static const struct v4l2_file_operations dt3155_fops = {
+	.owner = THIS_MODULE,
+	.open = dt3155_open,
+	.release = dt3155_release,
+	.read = dt3155_read,
+	.poll = dt3155_poll,
+	.unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */
+	.mmap = dt3155_mmap,
+};
+
+static int
+dt3155_ioc_streamon(struct file *filp, void *p, enum v4l2_buf_type type)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+	int ret = -ERESTARTSYS;
+
+	if (mutex_lock_interruptible(&pd->mux) == -EINTR)
+		return ret;
+	if (!pd->acq_fp) {
+		ret = videobuf_streamon(pd->vidq);
+		if (ret)
+			goto unlock;
+		pd->acq_fp = filp;
+		wake_up_interruptible_sync(&pd->do_dma);
+	} else if (pd->acq_fp == filp) {
+		ret = videobuf_streamon(pd->vidq);
+		if (!ret)
+			wake_up_interruptible_sync(&pd->do_dma);
+	} else
+		ret = -EBUSY;
+unlock:
+	mutex_unlock(&pd->mux);
+	return ret;
+}
+
+static int
+dt3155_ioc_streamoff(struct file *filp, void *p, enum v4l2_buf_type type)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+	struct videobuf_buffer *tmp;
+	unsigned long flags;
+	int ret;
+
+	ret = videobuf_streamoff(pd->vidq);
+	if (ret)
+		return ret;
+	spin_lock_irqsave(&pd->lock, flags);
+	tmp = pd->curr_buf;
+	spin_unlock_irqrestore(&pd->lock, flags);
+	if (tmp)
+		videobuf_waiton(tmp, 0, 1); /* block, interruptible */
+	return ret;
+}
+
+static int
+dt3155_ioc_querycap(struct file *filp, void *p, struct v4l2_capability *cap)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+
+	strcpy(cap->driver, DT3155_NAME);
+	strcpy(cap->card, DT3155_NAME " frame grabber");
+	sprintf(cap->bus_info, "PCI:%s", pci_name(pd->pdev));
+	cap->version =
+	       KERNEL_VERSION(DT3155_VER_MAJ, DT3155_VER_MIN, DT3155_VER_EXT);
+	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
+#ifdef CONFIG_DT3155_STREAMING
+				V4L2_CAP_STREAMING;
+#else
+				V4L2_CAP_READWRITE;
+#endif
+	return 0;
+}
+
+static int
+dt3155_ioc_enum_fmt_vid_cap(struct file *filp, void *p, struct v4l2_fmtdesc *f)
+{
+	if (f->index >= NUM_OF_FORMATS)
+		return -EINVAL;
+	*f = frame_std[f->index];
+	return 0;
+}
+
+static int
+dt3155_ioc_g_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
+{
+	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+	f->fmt.pix.width = img_width;
+	f->fmt.pix.height = img_height;
+	f->fmt.pix.pixelformat = V4L2_PIX_FMT_GREY;
+	f->fmt.pix.field = V4L2_FIELD_NONE;
+	f->fmt.pix.bytesperline = f->fmt.pix.width;
+	f->fmt.pix.sizeimage = f->fmt.pix.width * f->fmt.pix.height;
+	f->fmt.pix.colorspace = 0;
+	f->fmt.pix.priv = 0;
+	return 0;
+}
+
+static int
+dt3155_ioc_try_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
+{
+	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+	if (f->fmt.pix.width == img_width &&
+		f->fmt.pix.height == img_height &&
+		f->fmt.pix.pixelformat == V4L2_PIX_FMT_GREY &&
+		f->fmt.pix.field == V4L2_FIELD_NONE &&
+		f->fmt.pix.bytesperline == f->fmt.pix.width &&
+		f->fmt.pix.sizeimage == f->fmt.pix.width * f->fmt.pix.height)
+			return 0;
+	else
+		return -EINVAL;
+}
+
+static int
+dt3155_ioc_s_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
+{
+	return dt3155_ioc_g_fmt_vid_cap(filp, p, f);
+}
+
+static int
+dt3155_ioc_reqbufs(struct file *filp, void *p, struct v4l2_requestbuffers *b)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+	struct videobuf_queue *q = pd->vidq;
+
+	if (b->memory != V4L2_MEMORY_MMAP)
+		return -EINVAL;
+	if (b->count)
+		return videobuf_reqbufs(q, b);
+	else { /* FIXME: is it necessary? */
+		printk(KERN_DEBUG "dt3155: request to free buffers\n");
+		return videobuf_mmap_free(q);
+	}
+}
+
+static int
+dt3155_ioc_querybuf(struct file *filp, void *p, struct v4l2_buffer *b)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+	struct videobuf_queue *q = pd->vidq;
+
+	return videobuf_querybuf(q, b);
+}
+
+static int
+dt3155_ioc_qbuf(struct file *filp, void *p, struct v4l2_buffer *b)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+	struct videobuf_queue *q = pd->vidq;
+
+	return videobuf_qbuf(q, b);
+}
+
+static int
+dt3155_ioc_dqbuf(struct file *filp, void *p, struct v4l2_buffer *b)
+{
+	struct dt3155_priv *pd = video_drvdata(filp);
+	struct videobuf_queue *q = pd->vidq;
+
+	return videobuf_dqbuf(q, b, filp->f_flags & O_NONBLOCK);
+}
+
+static int
+dt3155_ioc_querystd(struct file *filp, void *p, v4l2_std_id *norm)
+{
+	*norm = DT3155_CURRENT_NORM;
+	return 0;
+}
+
+static int
+dt3155_ioc_g_std(struct file *filp, void *p, v4l2_std_id *norm)
+{
+	*norm = DT3155_CURRENT_NORM;
+	return 0;
+}
+
+static int
+dt3155_ioc_s_std(struct file *filp, void *p, v4l2_std_id *norm)
+{
+	if (*norm & DT3155_CURRENT_NORM)
+		return 0;
+	return -EINVAL;
+}
+
+static int
+dt3155_ioc_enum_input(struct file *filp, void *p, struct v4l2_input *input)
+{
+	if (input->index)
+		return -EINVAL;
+	strcpy(input->name, "Coax in");
+	input->type = V4L2_INPUT_TYPE_CAMERA;
+	input->std = V4L2_STD_ALL;
+	input->status = 0;/* FIXME: add sync detection & V4L2_IN_ST_NO_H_LOCK */
+	return 0;
+}
+
+static int
+dt3155_ioc_g_input(struct file *filp, void *p, unsigned int *i)
+{
+	*i = 0;
+	return 0;
+}
+
+static int
+dt3155_ioc_s_input(struct file *filp, void *p, unsigned int i)
+{
+	if (i)
+		return -EINVAL;
+	return 0;
+}
+
+static int
+dt3155_ioc_g_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
+{
+	if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+	parms->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
+	parms->parm.capture.capturemode = 0;
+	parms->parm.capture.timeperframe.numerator = 1001;
+	parms->parm.capture.timeperframe.denominator = frames_per_sec * 1000;
+	parms->parm.capture.extendedmode = 0;
+	parms->parm.capture.readbuffers = 1;
+	return 0;
+}
+
+static int
+dt3155_ioc_s_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
+{
+	if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+	parms->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
+	parms->parm.capture.capturemode = 0;
+	parms->parm.capture.timeperframe.numerator = 1001;
+	parms->parm.capture.timeperframe.denominator = frames_per_sec * 1000;
+	parms->parm.capture.extendedmode = 0;
+	parms->parm.capture.readbuffers = 1;
+	return 0;
+}
+
+static const struct v4l2_ioctl_ops dt3155_ioctl_ops = {
+	.vidioc_streamon = dt3155_ioc_streamon,
+	.vidioc_streamoff = dt3155_ioc_streamoff,
+	.vidioc_querycap = dt3155_ioc_querycap,
+/*
+	.vidioc_g_priority = dt3155_ioc_g_priority,
+	.vidioc_s_priority = dt3155_ioc_s_priority,
+*/
+	.vidioc_enum_fmt_vid_cap = dt3155_ioc_enum_fmt_vid_cap,
+	.vidioc_try_fmt_vid_cap = dt3155_ioc_try_fmt_vid_cap,
+	.vidioc_g_fmt_vid_cap = dt3155_ioc_g_fmt_vid_cap,
+	.vidioc_s_fmt_vid_cap = dt3155_ioc_s_fmt_vid_cap,
+	.vidioc_reqbufs = dt3155_ioc_reqbufs,
+	.vidioc_querybuf = dt3155_ioc_querybuf,
+	.vidioc_qbuf = dt3155_ioc_qbuf,
+	.vidioc_dqbuf = dt3155_ioc_dqbuf,
+	.vidioc_querystd = dt3155_ioc_querystd,
+	.vidioc_g_std = dt3155_ioc_g_std,
+	.vidioc_s_std = dt3155_ioc_s_std,
+	.vidioc_enum_input = dt3155_ioc_enum_input,
+	.vidioc_g_input = dt3155_ioc_g_input,
+	.vidioc_s_input = dt3155_ioc_s_input,
+/*
+	.vidioc_queryctrl = dt3155_ioc_queryctrl,
+	.vidioc_g_ctrl = dt3155_ioc_g_ctrl,
+	.vidioc_s_ctrl = dt3155_ioc_s_ctrl,
+	.vidioc_querymenu = dt3155_ioc_querymenu,
+	.vidioc_g_ext_ctrls = dt3155_ioc_g_ext_ctrls,
+	.vidioc_s_ext_ctrls = dt3155_ioc_s_ext_ctrls,
+*/
+	.vidioc_g_parm = dt3155_ioc_g_parm,
+	.vidioc_s_parm = dt3155_ioc_s_parm,
+/*
+	.vidioc_cropcap = dt3155_ioc_cropcap,
+	.vidioc_g_crop = dt3155_ioc_g_crop,
+	.vidioc_s_crop = dt3155_ioc_s_crop,
+	.vidioc_enum_framesizes = dt3155_ioc_enum_framesizes,
+	.vidioc_enum_frameintervals = dt3155_ioc_enum_frameintervals,
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+	.vidiocgmbuf = iocgmbuf,
+#endif
+*/
+};
+
+static int __devinit
+dt3155_init_board(struct pci_dev *dev)
+{
+	int i;
+	u8 tmp;
+	struct dt3155_buf *buf;
+	struct dt3155_priv *pd = pci_get_drvdata(dev);
+	pci_set_master(dev); /* dt3155 needs it  */
+
+	/*  resetting the adapter  */
+	iowrite32(FLD_CRPT_ODD | FLD_CRPT_EVEN | FLD_DN_ODD | FLD_DN_EVEN,
+							pd->regs + CSR1);
+	mmiowb();
+	msleep(10);
+
+	/*  initializing adaper registers  */
+	iowrite32(FIFO_EN | SRST, pd->regs + CSR1);
+	mmiowb();
+	iowrite32(0xEEEEEE01, pd->regs + EVEN_PIXEL_FMT);
+	iowrite32(0xEEEEEE01, pd->regs + ODD_PIXEL_FMT);
+	iowrite32(0x00000020, pd->regs + FIFO_TRIGER);
+	iowrite32(0x00000103, pd->regs + XFER_MODE);
+	iowrite32(0, pd->regs + RETRY_WAIT_CNT);
+	iowrite32(0, pd->regs + INT_CSR);
+	iowrite32(1, pd->regs + EVEN_FLD_MASK);
+	iowrite32(1, pd->regs + ODD_FLD_MASK);
+	iowrite32(0, pd->regs + MASK_LENGTH);
+	iowrite32(0x0005007C, pd->regs + FIFO_FLAG_CNT);
+	iowrite32(0x01010101, pd->regs + IIC_CLK_DUR);
+	mmiowb();
+
+	/* verifying that we have a DT3155 board (not just a SAA7116 chip) */
+	read_i2c_reg(pd->regs, DT_ID, &tmp);
+	if (tmp != DT3155_ID)
+		return -ENODEV;
+
+	/* initialize AD LUT */
+	write_i2c_reg(pd->regs, AD_ADDR, 0);
+	for (i = 0; i < 256; i++)
+		write_i2c_reg(pd->regs, AD_LUT, i);
+
+	/* initialize ADC references */
+	/* FIXME: pos_ref & neg_ref depend on VT_50HZ */
+	write_i2c_reg(pd->regs, AD_ADDR, AD_CMD_REG);
+	write_i2c_reg(pd->regs, AD_CMD, VIDEO_CNL_1 | SYNC_CNL_1 | SYNC_LVL_3);
+	write_i2c_reg(pd->regs, AD_ADDR, AD_POS_REF);
+	write_i2c_reg(pd->regs, AD_CMD, 34);
+	write_i2c_reg(pd->regs, AD_ADDR, AD_NEG_REF);
+	write_i2c_reg(pd->regs, AD_CMD, 0);
+
+	/* initialize PM LUT */
+	write_i2c_reg(pd->regs, CONFIG, pd->config | PM_LUT_PGM);
+	for (i = 0; i < 256; i++) {
+		write_i2c_reg(pd->regs, PM_LUT_ADDR, i);
+		write_i2c_reg(pd->regs, PM_LUT_DATA, i);
+	}
+	write_i2c_reg(pd->regs, CONFIG, pd->config | PM_LUT_PGM | PM_LUT_SEL);
+	for (i = 0; i < 256; i++) {
+		write_i2c_reg(pd->regs, PM_LUT_ADDR, i);
+		write_i2c_reg(pd->regs, PM_LUT_DATA, i);
+	}
+	write_i2c_reg(pd->regs, CONFIG, pd->config); /*  ACQ_MODE_EVEN  */
+
+	/* select chanel 1 for input and set sync level */
+	write_i2c_reg(pd->regs, AD_ADDR, AD_CMD_REG);
+	write_i2c_reg(pd->regs, AD_CMD, VIDEO_CNL_1 | SYNC_CNL_1 | SYNC_LVL_3);
+
+	/* allocate and pci_map memory, and initialize the DMA machine */
+	buf = dt3155_get_buf(dt3155_free_bufs);
+	if (!buf) {
+		printk(KERN_ERR "dt3155: dt3155_get_buf "
+					"(in dt3155_init_board) failed\n");
+		return -ENOMEM;
+	}
+	buf->dma = pci_map_single(dev, buf->cpu,
+					DT3155_BUF_SIZE, PCI_DMA_FROMDEVICE);
+	if (pci_dma_mapping_error(dev, buf->dma)) {
+		printk(KERN_ERR "dt3155: pci_map_single failed\n");
+		dt3155_put_buf(buf, dt3155_free_bufs);
+		return -ENOMEM;
+	}
+	iowrite32(buf->dma, pd->regs + EVEN_DMA_START);
+	iowrite32(buf->dma, pd->regs + ODD_DMA_START);
+	iowrite32(0, pd->regs + EVEN_DMA_STRIDE);
+	iowrite32(0, pd->regs + ODD_DMA_STRIDE);
+
+	/*  Perform a pseudo even field acquire    */
+	iowrite32(FIFO_EN | SRST | CAP_CONT_ODD, pd->regs + CSR1);
+	write_i2c_reg(pd->regs, CSR2, pd->csr2 | SYNC_SNTL);
+	write_i2c_reg(pd->regs, CONFIG, pd->config);
+	write_i2c_reg(pd->regs, EVEN_CSR, CSR_SNGL);
+	write_i2c_reg(pd->regs, CSR2, pd->csr2 | BUSY_EVEN | SYNC_SNTL);
+	msleep(100);
+	read_i2c_reg(pd->regs, CSR2, &tmp);
+	write_i2c_reg(pd->regs, EVEN_CSR, CSR_ERROR | CSR_SNGL | CSR_DONE);
+	write_i2c_reg(pd->regs, ODD_CSR, CSR_ERROR | CSR_SNGL | CSR_DONE);
+	write_i2c_reg(pd->regs, CSR2, pd->csr2);
+	iowrite32(FIFO_EN | SRST | FLD_DN_EVEN | FLD_DN_ODD, pd->regs + CSR1);
+
+	/*  pci_unmap and deallocate memory  */
+	pci_unmap_single(dev, buf->dma, DT3155_BUF_SIZE, PCI_DMA_FROMDEVICE);
+	dt3155_put_buf(buf, dt3155_free_bufs);
+	if (tmp & BUSY_EVEN) {
+		printk(KERN_ERR "dt3155: BUSY_EVEN not cleared\n");
+		return -EIO;
+	}
+	return 0;
+}
+
+static struct video_device dt3155_vdev = {
+	.name = DT3155_NAME,
+	.fops = &dt3155_fops,
+	.ioctl_ops = &dt3155_ioctl_ops,
+	.minor = -1,
+	.release = video_device_release,
+	.tvnorms = V4L2_STD_ALL,
+	.current_norm = DT3155_CURRENT_NORM,
+};
+
+static int __devinit
+dt3155_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+	int err = -ENODEV;
+	struct dt3155_priv *pd;
+
+	printk(KERN_INFO "dt3155: probe()\n");
+	if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
+		printk(KERN_ERR "dt3155: cannot set dma_mask\n");
+		return -ENODEV;
+	}
+	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+	if (!pd) {
+		printk(KERN_ERR "dt3155: cannot allocate dt3155_priv\n");
+		return -ENOMEM;
+	}
+	pd->vdev = video_device_alloc();
+	if (!pd->vdev) {
+		printk(KERN_ERR "dt3155: cannot allocate vdp structure\n");
+		goto err_video_device_alloc;
+	}
+	*pd->vdev = dt3155_vdev;
+	pci_set_drvdata(dev, pd);   /* for use in dt3155_remove()  */
+	video_set_drvdata(pd->vdev, pd);  /* for use in video_fops  */
+	pd->users = 0;
+	pd->acq_fp = NULL;
+	pd->pdev = dev;
+	INIT_LIST_HEAD(&pd->dmaq);
+	init_waitqueue_head(&pd->do_dma);
+	mutex_init(&pd->mux);
+	pd->csr2 = csr2_init;
+	pd->config = config_init;
+	err = pci_enable_device(pd->pdev);
+	if (err) {
+		printk(KERN_ERR "dt3155: pci_dev not enabled\n");
+		goto err_enable_dev;
+	}
+	err = pci_request_region(pd->pdev, 0, pci_name(pd->pdev));
+	if (err)
+		goto err_req_region;
+	pd->regs = pci_iomap(pd->pdev, 0, pci_resource_len(pd->pdev, 0));
+	if (!pd->regs) {
+		err = -ENOMEM;
+		printk(KERN_ERR "dt3155: pci_iomap failed\n");
+		goto err_pci_iomap;
+	}
+	err = dt3155_init_board(pd->pdev);
+	if (err) {
+		printk(KERN_ERR "dt3155: dt3155_init_board failed\n");
+		goto err_init_board;
+	}
+	err = video_register_device(pd->vdev, VFL_TYPE_GRABBER, -1);
+	if (err) {
+		printk(KERN_ERR "dt3155: Cannot register video device\n");
+		goto err_init_board;
+	}
+	printk(KERN_INFO "dt3155: /dev/video%i is ready\n", pd->vdev->minor);
+	return 0;  /*   success   */
+
+err_init_board:
+	pci_iounmap(pd->pdev, pd->regs);
+err_pci_iomap:
+	pci_release_region(pd->pdev, 0);
+err_req_region:
+	pci_disable_device(pd->pdev);
+err_enable_dev:
+	video_device_release(pd->vdev);
+err_video_device_alloc:
+	kfree(pd);
+	return err;
+}
+
+static void __devexit
+dt3155_remove(struct pci_dev *dev)
+{
+	struct dt3155_priv *pd = pci_get_drvdata(dev);
+
+	printk(KERN_INFO "dt3155: remove()\n");
+	video_unregister_device(pd->vdev);
+	pci_iounmap(dev, pd->regs);
+	pci_release_region(pd->pdev, 0);
+	pci_disable_device(pd->pdev);
+	/*
+	 * video_device_release() is invoked automatically
+	 * see: struct video_device dt3155_vdev
+	 */
+	kfree(pd);
+}
+
+static DEFINE_PCI_DEVICE_TABLE(pci_ids) = {
+	{ PCI_DEVICE(DT3155_VENDOR_ID, DT3155_DEVICE_ID) },
+	{ 0, /* zero marks the end */ },
+};
+MODULE_DEVICE_TABLE(pci, pci_ids);
+
+static struct pci_driver pci_driver = {
+	.name = DT3155_NAME,
+	.id_table = pci_ids,
+	.probe = dt3155_probe,
+	.remove = __devexit_p(dt3155_remove),
+};
+
+static int __init
+dt3155_init_module(void)
+{
+	int err;
+
+	printk(KERN_INFO "dt3155: ==================\n");
+	printk(KERN_INFO "dt3155: init()\n");
+	dt3155_chunks = dt3155_init_chunks_fifo();
+	if (!dt3155_chunks) {
+		err = -ENOMEM;
+		printk(KERN_ERR "dt3155: cannot init dt3155_chunks_fifo\n");
+		goto err_init_chunks_fifo;
+	}
+	dt3155_free_bufs = dt3155_init_ibufs_fifo(dt3155_chunks,
+							DT3155_BUF_SIZE);
+	if (!dt3155_free_bufs) {
+		err = -ENOMEM;
+		printk(KERN_ERR "dt3155: cannot dt3155_init_ibufs_fifo\n");
+		goto err_init_ibufs_fifo;
+	}
+	dt3155_alloc_bufs = dt3155_init_fifo();
+	if (!dt3155_alloc_bufs) {
+		err = -ENOMEM;
+		printk(KERN_ERR "dt3155: cannot dt3155_init_fifo\n");
+		goto err_init_fifo;
+	}
+	err = pci_register_driver(&pci_driver);
+	if (err) {
+		printk(KERN_ERR "dt3155: cannot register pci_driver\n");
+		goto err_register_driver;
+	}
+	return 0; /* succes */
+err_register_driver:
+	dt3155_free_fifo(dt3155_alloc_bufs);
+err_init_fifo:
+	dt3155_free_ibufs_fifo(dt3155_free_bufs);
+err_init_ibufs_fifo:
+	dt3155_free_chunks_fifo(dt3155_chunks);
+err_init_chunks_fifo:
+	return err;
+}
+
+static void __exit
+dt3155_exit_module(void)
+{
+	pci_unregister_driver(&pci_driver);
+	dt3155_free_fifo(dt3155_alloc_bufs);
+	dt3155_free_ibufs_fifo(dt3155_free_bufs);
+	dt3155_free_chunks_fifo(dt3155_chunks);
+	printk(KERN_INFO "dt3155: exit()\n");
+	printk(KERN_INFO "dt3155: ==================\n");
+}
+
+module_init(dt3155_init_module);
+module_exit(dt3155_exit_module);
+
+MODULE_DESCRIPTION("video4linux pci-driver for dt3155 frame grabber");
+MODULE_AUTHOR("Marin Mitov <mitov@issp.bas.bg>");
+MODULE_VERSION(DT3155_VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/dt3155v4l/dt3155v4l.h b/drivers/staging/dt3155v4l/dt3155v4l.h
new file mode 100644
index 00000000000..e5c4ad05b18
--- /dev/null
+++ b/drivers/staging/dt3155v4l/dt3155v4l.h
@@ -0,0 +1,220 @@
+/***************************************************************************
+ *   Copyright (C) 2006-2010 by Marin Mitov                                *
+ *   mitov@issp.bas.bg                                                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+/*    DT3155 header file    */
+#ifndef _DT3155_H_
+#define _DT3155_H_
+
+#ifdef __KERNEL__
+
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+
+#define DT3155_NAME "dt3155"
+#define DT3155_VER_MAJ 1
+#define DT3155_VER_MIN 0
+#define DT3155_VER_EXT 2
+#define DT3155_VERSION  __stringify(DT3155_VER_MAJ)	"."		\
+			__stringify(DT3155_VER_MIN)	"."		\
+			__stringify(DT3155_VER_EXT)
+
+/* DT3155 Base Register offsets (memory mapped) */
+#define EVEN_DMA_START	 0x00
+#define ODD_DMA_START	 0x0C
+#define EVEN_DMA_STRIDE  0x18
+#define ODD_DMA_STRIDE	 0x24
+#define EVEN_PIXEL_FMT	 0x30
+#define ODD_PIXEL_FMT	 0x34
+#define FIFO_TRIGER	 0x38
+#define XFER_MODE	 0x3C
+#define CSR1		 0x40
+#define RETRY_WAIT_CNT	 0x44
+#define INT_CSR		 0x48
+#define EVEN_FLD_MASK	 0x4C
+#define ODD_FLD_MASK	 0x50
+#define MASK_LENGTH	 0x54
+#define FIFO_FLAG_CNT	 0x58
+#define IIC_CLK_DUR	 0x5C
+#define IIC_CSR1	 0x60
+#define IIC_CSR2	 0x64
+
+/*  DT3155 Internal Registers indexes (i2c/IIC mapped) */
+#define CSR2	     0x10
+#define EVEN_CSR     0x11
+#define ODD_CSR      0x12
+#define CONFIG	     0x13
+#define DT_ID	     0x1F
+#define X_CLIP_START 0x20
+#define Y_CLIP_START 0x22
+#define X_CLIP_END   0x24
+#define Y_CLIP_END   0x26
+#define AD_ADDR      0x30
+#define AD_LUT	     0x31
+#define AD_CMD	     0x32
+#define DIG_OUT      0x40
+#define PM_LUT_ADDR  0x50
+#define PM_LUT_DATA  0x51
+
+/* AD command register values  */
+#define AD_CMD_REG   0x00
+#define AD_POS_REF   0x01
+#define AD_NEG_REF   0x02
+
+/* CSR1 bit masks */
+#define CRPT_DIS       0x00004000
+#define FLD_CRPT_ODD   0x00000200
+#define FLD_CRPT_EVEN  0x00000100
+#define FIFO_EN        0x00000080
+#define SRST	       0x00000040
+#define FLD_DN_ODD     0x00000020
+#define FLD_DN_EVEN    0x00000010
+/*   These should not be used.
+ *   Use CAP_CONT_ODD/EVEN instead
+#define CAP_SNGL_ODD   0x00000008
+#define CAP_SNGL_EVEN  0x00000004
+*/
+#define CAP_CONT_ODD   0x00000002
+#define CAP_CONT_EVEN  0x00000001
+
+/*  INT_CSR bit masks */
+#define FLD_START_EN	 0x00000400
+#define FLD_END_ODD_EN	 0x00000200
+#define FLD_END_EVEN_EN  0x00000100
+#define FLD_START	 0x00000004
+#define FLD_END_ODD	 0x00000002
+#define FLD_END_EVEN	 0x00000001
+
+/* IIC_CSR1 bit masks */
+#define DIRECT_ABORT	 0x00000200
+
+/* IIC_CSR2 bit masks */
+#define NEW_CYCLE   0x01000000
+#define DIR_RD	    0x00010000
+#define IIC_READ    0x01010000
+#define IIC_WRITE   0x01000000
+
+/* CSR2 bit masks */
+#define DISP_PASS     0x40
+#define BUSY_ODD      0x20
+#define BUSY_EVEN     0x10
+#define SYNC_PRESENT  0x08
+#define VT_50HZ       0x04
+#define SYNC_SNTL     0x02
+#define CHROM_FILT    0x01
+#define VT_60HZ       0x00
+
+/* CSR_EVEN/ODD bit masks */
+#define CSR_ERROR	0x04
+#define CSR_SNGL	0x02
+#define CSR_DONE	0x01
+
+/* CONFIG bit masks */
+#define PM_LUT_PGM     0x80
+#define PM_LUT_SEL     0x40
+#define CLIP_EN        0x20
+#define HSCALE_EN      0x10
+#define EXT_TRIG_UP    0x0C
+#define EXT_TRIG_DOWN  0x04
+#define ACQ_MODE_NEXT  0x02
+#define ACQ_MODE_ODD   0x01
+#define ACQ_MODE_EVEN  0x00
+
+/* AD_CMD bit masks */
+#define VIDEO_CNL_1  0x00
+#define VIDEO_CNL_2  0x40
+#define VIDEO_CNL_3  0x80
+#define VIDEO_CNL_4  0xC0
+#define SYNC_CNL_1   0x00
+#define SYNC_CNL_2   0x10
+#define SYNC_CNL_3   0x20
+#define SYNC_CNL_4   0x30
+#define SYNC_LVL_1   0x00
+#define SYNC_LVL_2   0x04
+#define SYNC_LVL_3   0x08
+#define SYNC_LVL_4   0x0C
+
+/* DT3155 identificator */
+#define DT3155_ID   0x20
+
+#ifdef CONFIG_DT3155_CCIR
+#define DMA_STRIDE 768
+#else
+#define DMA_STRIDE 640
+#endif
+
+/**
+ * struct dt3155_stats - statistics structure
+ *
+ * @free_bufs_empty:	no free image buffers
+ * @corrupted_fields:	corrupted fields
+ * @dma_map_failed:	dma mapping failed
+ * @start_before_end:	new started before old ended
+ */
+struct dt3155_stats {
+	int free_bufs_empty;
+	int corrupted_fields;
+	int dma_map_failed;
+	int start_before_end;
+};
+
+/*    per board private data structure   */
+/**
+ * struct dt3155_priv - private data structure
+ *
+ * @vdev:		pointer to video_device structure
+ * @acq_fp		pointer to filp that starts acquisition
+ * @pdev:		pointer to pci_dev structure
+ * @vidq		pointer to videobuf_queue structure
+ * @curr_buf:		pointer to curren buffer
+ * @thread		pointer to worker thraed
+ * @irq_handler:	irq handler for the driver
+ * @dmaq		queue for dma buffers
+ * @do_dma		wait queue of the kernel thread
+ * @mux:		mutex to protect the instance
+ * @lock		spinlock for videobuf queues
+ * @field_count		fields counter
+ * @stats:		statistics structure
+ * @users		open count
+ * @regs:		local copy of mmio base register
+ * @csr2:		local copy of csr2 register
+ * @config:		local copy of config register
+ */
+struct dt3155_priv {
+	struct video_device *vdev;
+	struct file *acq_fp;
+	struct pci_dev *pdev;
+	struct videobuf_queue *vidq;
+	struct videobuf_buffer *curr_buf;
+	struct task_struct *thread;
+	irq_handler_t irq_handler;
+	struct list_head dmaq;
+	wait_queue_head_t do_dma;
+	struct mutex mux;
+	spinlock_t lock;
+	unsigned int field_count;
+	struct dt3155_stats stats;
+	void *regs;
+	int users;
+	u8 csr2, config;
+};
+
+#endif /*  __KERNEL__  */
+
+#endif /*  _DT3155_H_  */

From 11d91a4456bbc63d2b79ea5f16ffc31ae53cdf79 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 10:59:23 -0700
Subject: [PATCH 1077/3638] Staging: dt3155v4l: add driver to the build

The last patch forgot to add the driver to the Makefile, so it
would not end up getting built.  This resolves that issue.

Cc: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 23e353a411d..e825647afda 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -50,6 +50,7 @@ obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan/
 obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave/
 obj-$(CONFIG_FB_SM7XX)		+= sm7xx/
 obj-$(CONFIG_DT3155)		+= dt3155/
+obj-$(CONFIG_VIDEO_DT3155)	+= dt3155v4l/
 obj-$(CONFIG_CRYSTALHD)		+= crystalhd/
 obj-$(CONFIG_CXT1E1)		+= cxt1e1/
 obj-$(CONFIG_TI_ST)		+= ti-st/

From 107c32fe68f0b64acb7edd31d44d79b87c7fa8b4 Mon Sep 17 00:00:00 2001
From: Andrew Lunn <andrew@lunn.ch>
Date: Mon, 22 Mar 2010 22:46:13 +0100
Subject: [PATCH 1078/3638] Staging: batman-adv: don't have interrupts disabled
 while sending.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

send_vis_packets() would disable interrupts before calling
dev_queue_xmit() which resulting in a backtrace in local_bh_enable().
Fix this by using kref on the vis_info object so that we can call
send_vis_packets() without holding vis_hash_lock. vis_hash_lock also
used to protect recv_list, so we now need a new lock to protect that
instead of vis_hash_lock.

Also a few checkpatch cleanups.

Reported-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/vis.c | 194 ++++++++++++++++++++++---------
 drivers/staging/batman-adv/vis.h |   1 +
 2 files changed, 137 insertions(+), 58 deletions(-)

diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index fedec1bb309..0b5c63fbb40 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -29,22 +29,26 @@
 
 struct hashtable_t *vis_hash;
 DEFINE_SPINLOCK(vis_hash_lock);
+static DEFINE_SPINLOCK(recv_list_lock);
 static struct vis_info *my_vis_info;
 static struct list_head send_list;	/* always locked with vis_hash_lock */
 
 static void start_vis_timer(void);
 
 /* free the info */
-static void free_info(void *data)
+static void free_info(struct kref *ref)
 {
-	struct vis_info *info = data;
+	struct vis_info *info = container_of(ref, struct vis_info, refcount);
 	struct recvlist_node *entry, *tmp;
+	unsigned long flags;
 
 	list_del_init(&info->send_list);
+	spin_lock_irqsave(&recv_list_lock, flags);
 	list_for_each_entry_safe(entry, tmp, &info->recv_list, list) {
 		list_del(&entry->list);
 		kfree(entry);
 	}
+	spin_unlock_irqrestore(&recv_list_lock, flags);
 	kfree(info);
 }
 
@@ -142,36 +146,65 @@ void proc_vis_read_entry(struct seq_file *seq,
 	}
 }
 
+/* add the info packet to the send list, if it was not
+ * already linked in. */
+static void send_list_add(struct vis_info *info)
+{
+	if (list_empty(&info->send_list)) {
+		kref_get(&info->refcount);
+		list_add_tail(&info->send_list, &send_list);
+	}
+}
+
+/* delete the info packet from the send list, if it was
+ * linked in. */
+static void send_list_del(struct vis_info *info)
+{
+	if (!list_empty(&info->send_list)) {
+		list_del_init(&info->send_list);
+		kref_put(&info->refcount, free_info);
+	}
+}
+
 /* tries to add one entry to the receive list. */
 static void recv_list_add(struct list_head *recv_list, char *mac)
 {
 	struct recvlist_node *entry;
+	unsigned long flags;
+
 	entry = kmalloc(sizeof(struct recvlist_node), GFP_ATOMIC);
 	if (!entry)
 		return;
 
 	memcpy(entry->mac, mac, ETH_ALEN);
+	spin_lock_irqsave(&recv_list_lock, flags);
 	list_add_tail(&entry->list, recv_list);
+	spin_unlock_irqrestore(&recv_list_lock, flags);
 }
 
 /* returns 1 if this mac is in the recv_list */
 static int recv_list_is_in(struct list_head *recv_list, char *mac)
 {
 	struct recvlist_node *entry;
+	unsigned long flags;
 
+	spin_lock_irqsave(&recv_list_lock, flags);
 	list_for_each_entry(entry, recv_list, list) {
-		if (memcmp(entry->mac, mac, ETH_ALEN) == 0)
+		if (memcmp(entry->mac, mac, ETH_ALEN) == 0) {
+			spin_unlock_irqrestore(&recv_list_lock, flags);
 			return 1;
+		}
 	}
-
+	spin_unlock_irqrestore(&recv_list_lock, flags);
 	return 0;
 }
 
 /* try to add the packet to the vis_hash. return NULL if invalid (e.g. too old,
- * broken.. ).  vis hash must be locked outside.  is_new is set when the packet
+ * broken.. ).	vis hash must be locked outside.  is_new is set when the packet
  * is newer than old entries in the hash. */
 static struct vis_info *add_packet(struct vis_packet *vis_packet,
-				   int vis_info_len, int *is_new)
+				   int vis_info_len, int *is_new,
+				   int make_broadcast)
 {
 	struct vis_info *info, *old_info;
 	struct vis_info search_elem;
@@ -198,13 +231,15 @@ static struct vis_info *add_packet(struct vis_packet *vis_packet,
 		}
 		/* remove old entry */
 		hash_remove(vis_hash, old_info);
-		free_info(old_info);
+		send_list_del(old_info);
+		kref_put(&old_info->refcount, free_info);
 	}
 
 	info = kmalloc(sizeof(struct vis_info) + vis_info_len, GFP_ATOMIC);
 	if (info == NULL)
 		return NULL;
 
+	kref_init(&info->refcount);
 	INIT_LIST_HEAD(&info->send_list);
 	INIT_LIST_HEAD(&info->recv_list);
 	info->first_seen = jiffies;
@@ -214,16 +249,21 @@ static struct vis_info *add_packet(struct vis_packet *vis_packet,
 	/* initialize and add new packet. */
 	*is_new = 1;
 
+	/* Make it a broadcast packet, if required */
+	if (make_broadcast)
+		memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
+
 	/* repair if entries is longer than packet. */
 	if (info->packet.entries * sizeof(struct vis_info_entry) > vis_info_len)
-		info->packet.entries = vis_info_len / sizeof(struct vis_info_entry);
+		info->packet.entries = vis_info_len /
+			sizeof(struct vis_info_entry);
 
 	recv_list_add(&info->recv_list, info->packet.sender_orig);
 
 	/* try to add it */
 	if (hash_add(vis_hash, info) < 0) {
 		/* did not work (for some reason) */
-		free_info(info);
+		kref_put(&old_info->refcount, free_info);
 		info = NULL;
 	}
 
@@ -234,22 +274,21 @@ static struct vis_info *add_packet(struct vis_packet *vis_packet,
 void receive_server_sync_packet(struct vis_packet *vis_packet, int vis_info_len)
 {
 	struct vis_info *info;
-	int is_new;
+	int is_new, make_broadcast;
 	unsigned long flags;
 	int vis_server = atomic_read(&vis_mode);
 
+	make_broadcast = (vis_server == VIS_TYPE_SERVER_SYNC);
+
 	spin_lock_irqsave(&vis_hash_lock, flags);
-	info = add_packet(vis_packet, vis_info_len, &is_new);
+	info = add_packet(vis_packet, vis_info_len, &is_new, make_broadcast);
 	if (info == NULL)
 		goto end;
 
 	/* only if we are server ourselves and packet is newer than the one in
 	 * hash.*/
-	if (vis_server == VIS_TYPE_SERVER_SYNC && is_new) {
-		memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
-		if (list_empty(&info->send_list))
-			list_add_tail(&info->send_list, &send_list);
-	}
+	if (vis_server == VIS_TYPE_SERVER_SYNC && is_new)
+		send_list_add(info);
 end:
 	spin_unlock_irqrestore(&vis_hash_lock, flags);
 }
@@ -262,31 +301,32 @@ void receive_client_update_packet(struct vis_packet *vis_packet,
 	int is_new;
 	unsigned long flags;
 	int vis_server = atomic_read(&vis_mode);
+	int are_target = 0;
 
 	/* clients shall not broadcast. */
 	if (is_bcast(vis_packet->target_orig))
 		return;
 
+	/* Are we the target for this VIS packet? */
+	if (vis_server == VIS_TYPE_SERVER_SYNC	&&
+	    is_my_mac(vis_packet->target_orig))
+		are_target = 1;
+
 	spin_lock_irqsave(&vis_hash_lock, flags);
-	info = add_packet(vis_packet, vis_info_len, &is_new);
+	info = add_packet(vis_packet, vis_info_len, &is_new, are_target);
 	if (info == NULL)
 		goto end;
 	/* note that outdated packets will be dropped at this point. */
 
 
 	/* send only if we're the target server or ... */
-	if (vis_server == VIS_TYPE_SERVER_SYNC  &&
-	    is_my_mac(info->packet.target_orig) &&
-	    is_new) {
+	if (are_target && is_new) {
 		info->packet.vis_type = VIS_TYPE_SERVER_SYNC;	/* upgrade! */
-		memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
-		if (list_empty(&info->send_list))
-			list_add_tail(&info->send_list, &send_list);
+		send_list_add(info);
 
 		/* ... we're not the recipient (and thus need to forward). */
 	} else if (!is_my_mac(info->packet.target_orig)) {
-		if (list_empty(&info->send_list))
-			list_add_tail(&info->send_list, &send_list);
+		send_list_add(info);
 	}
 end:
 	spin_unlock_irqrestore(&vis_hash_lock, flags);
@@ -361,14 +401,17 @@ static int generate_vis_packet(void)
 	while (hash_iterate(orig_hash, &hashit_global)) {
 		orig_node = hashit_global.bucket->data;
 		if (orig_node->router != NULL
-			&& compare_orig(orig_node->router->addr, orig_node->orig)
+			&& compare_orig(orig_node->router->addr,
+					orig_node->orig)
 			&& orig_node->batman_if
 			&& (orig_node->batman_if->if_active == IF_ACTIVE)
 		    && orig_node->router->tq_avg > 0) {
 
 			/* fill one entry into buffer. */
 			entry = &entry_array[info->packet.entries];
-			memcpy(entry->src, orig_node->batman_if->net_dev->dev_addr, ETH_ALEN);
+			memcpy(entry->src,
+			       orig_node->batman_if->net_dev->dev_addr,
+			       ETH_ALEN);
 			memcpy(entry->dest, orig_node->orig, ETH_ALEN);
 			entry->quality = orig_node->router->tq_avg;
 			info->packet.entries++;
@@ -400,6 +443,8 @@ static int generate_vis_packet(void)
 	return 0;
 }
 
+/* free old vis packets. Must be called with this vis_hash_lock
+ * held */
 static void purge_vis_packets(void)
 {
 	HASHIT(hashit);
@@ -412,7 +457,8 @@ static void purge_vis_packets(void)
 		if (time_after(jiffies,
 			       info->first_seen + (VIS_TIMEOUT*HZ)/1000)) {
 			hash_remove_bucket(vis_hash, &hashit);
-			free_info(info);
+			send_list_del(info);
+			kref_put(&info->refcount, free_info);
 		}
 	}
 }
@@ -422,6 +468,8 @@ static void broadcast_vis_packet(struct vis_info *info, int packet_length)
 	HASHIT(hashit);
 	struct orig_node *orig_node;
 	unsigned long flags;
+	struct batman_if *batman_if;
+	uint8_t dstaddr[ETH_ALEN];
 
 	spin_lock_irqsave(&orig_hash_lock, flags);
 
@@ -430,45 +478,56 @@ static void broadcast_vis_packet(struct vis_info *info, int packet_length)
 		orig_node = hashit.bucket->data;
 
 		/* if it's a vis server and reachable, send it. */
-		if (orig_node &&
-		    (orig_node->flags & VIS_SERVER) &&
-		    orig_node->batman_if &&
-		    orig_node->router) {
+		if ((!orig_node) || (!orig_node->batman_if) ||
+		    (!orig_node->router))
+			continue;
+		if (!(orig_node->flags & VIS_SERVER))
+			continue;
+		/* don't send it if we already received the packet from
+		 * this node. */
+		if (recv_list_is_in(&info->recv_list, orig_node->orig))
+			continue;
 
-			/* don't send it if we already received the packet from
-			 * this node. */
-			if (recv_list_is_in(&info->recv_list, orig_node->orig))
-				continue;
+		memcpy(info->packet.target_orig, orig_node->orig, ETH_ALEN);
+		batman_if = orig_node->batman_if;
+		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
-			memcpy(info->packet.target_orig,
-			       orig_node->orig, ETH_ALEN);
+		send_raw_packet((unsigned char *)&info->packet,
+				packet_length, batman_if, dstaddr);
+
+		spin_lock_irqsave(&orig_hash_lock, flags);
 
-			send_raw_packet((unsigned char *) &info->packet,
-					packet_length,
-					orig_node->batman_if,
-					orig_node->router->addr);
-		}
 	}
-	memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
+	memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
 }
 
 static void unicast_vis_packet(struct vis_info *info, int packet_length)
 {
 	struct orig_node *orig_node;
 	unsigned long flags;
+	struct batman_if *batman_if;
+	uint8_t dstaddr[ETH_ALEN];
 
 	spin_lock_irqsave(&orig_hash_lock, flags);
 	orig_node = ((struct orig_node *)
 		     hash_find(orig_hash, info->packet.target_orig));
 
-	if ((orig_node != NULL) &&
-	    (orig_node->batman_if != NULL) &&
-	    (orig_node->router != NULL)) {
-		send_raw_packet((unsigned char *) &info->packet, packet_length,
-				orig_node->batman_if,
-				orig_node->router->addr);
-	}
+	if ((!orig_node) || (!orig_node->batman_if) || (!orig_node->router))
+		goto out;
+
+	/* don't lock while sending the packets ... we therefore
+	 * copy the required data before sending */
+	batman_if = orig_node->batman_if;
+	memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+	send_raw_packet((unsigned char *)&info->packet,
+			packet_length, batman_if, dstaddr);
+	return;
+
+out:
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
 }
 
@@ -502,15 +561,24 @@ static void send_vis_packets(struct work_struct *work)
 	unsigned long flags;
 
 	spin_lock_irqsave(&vis_hash_lock, flags);
+
 	purge_vis_packets();
 
-	if (generate_vis_packet() == 0)
+	if (generate_vis_packet() == 0) {
 		/* schedule if generation was successful */
-		list_add_tail(&my_vis_info->send_list, &send_list);
+		send_list_add(my_vis_info);
+	}
 
 	list_for_each_entry_safe(info, temp, &send_list, send_list) {
-		list_del_init(&info->send_list);
+
+		kref_get(&info->refcount);
+		spin_unlock_irqrestore(&vis_hash_lock, flags);
+
 		send_vis_packet(info);
+
+		spin_lock_irqsave(&vis_hash_lock, flags);
+		send_list_del(info);
+		kref_put(&info->refcount, free_info);
 	}
 	spin_unlock_irqrestore(&vis_hash_lock, flags);
 	start_vis_timer();
@@ -543,6 +611,7 @@ int vis_init(void)
 	my_vis_info->first_seen = jiffies - atomic_read(&vis_interval);
 	INIT_LIST_HEAD(&my_vis_info->recv_list);
 	INIT_LIST_HEAD(&my_vis_info->send_list);
+	kref_init(&my_vis_info->refcount);
 	my_vis_info->packet.version = COMPAT_VERSION;
 	my_vis_info->packet.packet_type = BAT_VIS;
 	my_vis_info->packet.ttl = TTL;
@@ -556,9 +625,9 @@ int vis_init(void)
 
 	if (hash_add(vis_hash, my_vis_info) < 0) {
 		printk(KERN_ERR
-			  "batman-adv:Can't add own vis packet into hash\n");
-		free_info(my_vis_info);	/* not in hash, need to remove it
-					 * manually. */
+		       "batman-adv:Can't add own vis packet into hash\n");
+		/* not in hash, need to remove it manually. */
+		kref_put(&my_vis_info->refcount, free_info);
 		goto err;
 	}
 
@@ -572,6 +641,15 @@ err:
 	return 0;
 }
 
+/* Decrease the reference count on a hash item info */
+static void free_info_ref(void *data)
+{
+	struct vis_info *info = data;
+
+	send_list_del(info);
+	kref_put(&info->refcount, free_info);
+}
+
 /* shutdown vis-server */
 void vis_quit(void)
 {
@@ -583,7 +661,7 @@ void vis_quit(void)
 
 	spin_lock_irqsave(&vis_hash_lock, flags);
 	/* properly remove, kill timers ... */
-	hash_delete(vis_hash, free_info);
+	hash_delete(vis_hash, free_info_ref);
 	vis_hash = NULL;
 	my_vis_info = NULL;
 	spin_unlock_irqrestore(&vis_hash_lock, flags);
diff --git a/drivers/staging/batman-adv/vis.h b/drivers/staging/batman-adv/vis.h
index 0cdafde0ec3..465da4765ce 100644
--- a/drivers/staging/batman-adv/vis.h
+++ b/drivers/staging/batman-adv/vis.h
@@ -29,6 +29,7 @@ struct vis_info {
 			    /* list of server-neighbors we received a vis-packet
 			     * from.  we should not reply to them. */
 	struct list_head send_list;
+	struct kref refcount;
 	/* this packet might be part of the vis send queue. */
 	struct vis_packet packet;
 	/* vis_info may follow here*/

From f6497e38fda6970819daacb67725d67474079381 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@web.de>
Date: Mon, 22 Mar 2010 22:46:14 +0100
Subject: [PATCH 1079/3638] Staging: batman-adv: Fix VIS output bug for
 secondary interfaces
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

TQ and HNA records for originators on secondary interfaces were
wrongly being included on the primary interface. Ensure we output a
line for each source interface on every node, so we correctly separate
primary and secondary interface records.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/proc.c | 51 +++++++++++++++++++++----------
 drivers/staging/batman-adv/vis.c  | 25 ++++++---------
 drivers/staging/batman-adv/vis.h  |  7 +++--
 3 files changed, 49 insertions(+), 34 deletions(-)

diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c
index 7de60e84bc9..c9366bcbb36 100644
--- a/drivers/staging/batman-adv/proc.c
+++ b/drivers/staging/batman-adv/proc.c
@@ -41,7 +41,7 @@ static int proc_interfaces_read(struct seq_file *seq, void *offset)
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		seq_printf(seq, "[%8s] %s %s \n",
+		seq_printf(seq, "[%8s] %s %s\n",
 			   (batman_if->if_active == IF_ACTIVE ?
 			    "active" : "inactive"),
 			   batman_if->dev,
@@ -188,18 +188,18 @@ static int proc_originators_read(struct seq_file *seq, void *offset)
 	rcu_read_lock();
 	if (list_empty(&if_list)) {
 		rcu_read_unlock();
-		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it \n");
+		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it\n");
 		goto end;
 	}
 
 	if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) {
 		rcu_read_unlock();
-		seq_printf(seq, "BATMAN disabled - primary interface not active \n");
+		seq_printf(seq, "BATMAN disabled - primary interface not active\n");
 		goto end;
 	}
 
 	seq_printf(seq,
-		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s] \n",
+		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s]\n",
 		   "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
 		   "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
 		   ((struct batman_if *)if_list.next)->dev,
@@ -240,7 +240,7 @@ static int proc_originators_read(struct seq_file *seq, void *offset)
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
 
 	if (batman_count == 0)
-		seq_printf(seq, "No batman nodes in range ... \n");
+		seq_printf(seq, "No batman nodes in range ...\n");
 
 end:
 	return 0;
@@ -262,7 +262,7 @@ static int proc_transt_local_read(struct seq_file *seq, void *offset)
 	rcu_read_lock();
 	if (list_empty(&if_list)) {
 		rcu_read_unlock();
-		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it \n");
+		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it\n");
 		goto end;
 	}
 
@@ -294,7 +294,7 @@ static int proc_transt_global_read(struct seq_file *seq, void *offset)
 	rcu_read_lock();
 	if (list_empty(&if_list)) {
 		rcu_read_unlock();
-		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it \n");
+		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it\n");
 		goto end;
 	}
 	rcu_read_unlock();
@@ -350,9 +350,9 @@ static int proc_vis_srv_read(struct seq_file *seq, void *offset)
 {
 	int vis_server = atomic_read(&vis_mode);
 
-	seq_printf(seq, "[%c] client mode (server disabled) \n",
+	seq_printf(seq, "[%c] client mode (server disabled)\n",
 			(vis_server == VIS_TYPE_CLIENT_UPDATE) ? 'x' : ' ');
-	seq_printf(seq, "[%c] server mode (server enabled) \n",
+	seq_printf(seq, "[%c] server mode (server enabled)\n",
 			(vis_server == VIS_TYPE_SERVER_SYNC) ? 'x' : ' ');
 
 	return 0;
@@ -369,6 +369,8 @@ static int proc_vis_data_read(struct seq_file *seq, void *offset)
 	struct vis_info *info;
 	struct vis_info_entry *entries;
 	HLIST_HEAD(vis_if_list);
+	struct if_list_entry *entry;
+	struct hlist_node *pos, *n;
 	int i;
 	char tmp_addr_str[ETH_STR_LEN];
 	unsigned long flags;
@@ -387,17 +389,34 @@ static int proc_vis_data_read(struct seq_file *seq, void *offset)
 		info = hashit.bucket->data;
 		entries = (struct vis_info_entry *)
 			((char *)info + sizeof(struct vis_info));
-		addr_to_string(tmp_addr_str, info->packet.vis_orig);
-		seq_printf(seq, "%s,", tmp_addr_str);
 
 		for (i = 0; i < info->packet.entries; i++) {
-			proc_vis_read_entry(seq, &entries[i], &vis_if_list,
-					    info->packet.vis_orig);
+			if (entries[i].quality == 0)
+				continue;
+			proc_vis_insert_interface(entries[i].src, &vis_if_list,
+				compare_orig(entries[i].src,
+						info->packet.vis_orig));
 		}
 
-		/* add primary/secondary records */
-		proc_vis_read_prim_sec(seq, &vis_if_list);
-		seq_printf(seq, "\n");
+		hlist_for_each_entry(entry, pos, &vis_if_list, list) {
+			addr_to_string(tmp_addr_str, entry->addr);
+			seq_printf(seq, "%s,", tmp_addr_str);
+
+			for (i = 0; i < info->packet.entries; i++)
+				proc_vis_read_entry(seq, &entries[i],
+						entry->addr, entry->primary);
+
+			/* add primary/secondary records */
+			if (compare_orig(entry->addr, info->packet.vis_orig))
+				proc_vis_read_prim_sec(seq, &vis_if_list);
+
+			seq_printf(seq, "\n");
+		}
+
+		hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, list) {
+			hlist_del(&entry->list);
+			kfree(entry);
+		}
 	}
 	spin_unlock_irqrestore(&vis_hash_lock, flags);
 
diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index 0b5c63fbb40..222db0189a6 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -86,7 +86,7 @@ static int vis_info_choose(void *data, int size)
 
 /* insert interface to the list of interfaces of one originator, if it
  * does not already exist in the list */
-static void proc_vis_insert_interface(const uint8_t *interface,
+void proc_vis_insert_interface(const uint8_t *interface,
 				      struct hlist_head *if_list,
 				      bool primary)
 {
@@ -111,39 +111,32 @@ void proc_vis_read_prim_sec(struct seq_file *seq,
 			    struct hlist_head *if_list)
 {
 	struct if_list_entry *entry;
-	struct hlist_node *pos, *n;
+	struct hlist_node *pos;
 	char tmp_addr_str[ETH_STR_LEN];
 
-	hlist_for_each_entry_safe(entry, pos, n, if_list, list) {
-		if (entry->primary) {
+	hlist_for_each_entry(entry, pos, if_list, list) {
+		if (entry->primary)
 			seq_printf(seq, "PRIMARY, ");
-		} else {
+		else {
 			addr_to_string(tmp_addr_str, entry->addr);
 			seq_printf(seq, "SEC %s, ", tmp_addr_str);
 		}
-
-		hlist_del(&entry->list);
-		kfree(entry);
 	}
 }
 
 /* read an entry  */
 void proc_vis_read_entry(struct seq_file *seq,
 				struct vis_info_entry *entry,
-				struct hlist_head *if_list,
-				uint8_t *vis_orig)
+				uint8_t *src,
+				bool primary)
 {
 	char to[40];
 
 	addr_to_string(to, entry->dest);
-	if (entry->quality == 0) {
-		proc_vis_insert_interface(vis_orig, if_list, true);
+	if (primary && entry->quality == 0)
 		seq_printf(seq, "HNA %s, ", to);
-	} else {
-		proc_vis_insert_interface(entry->src, if_list,
-					  compare_orig(entry->src, vis_orig));
+	else if (compare_orig(entry->src, src))
 		seq_printf(seq, "TQ %s %d, ", to, entry->quality);
-	}
 }
 
 /* add the info packet to the send list, if it was not
diff --git a/drivers/staging/batman-adv/vis.h b/drivers/staging/batman-adv/vis.h
index 465da4765ce..a1f92a4b101 100644
--- a/drivers/staging/batman-adv/vis.h
+++ b/drivers/staging/batman-adv/vis.h
@@ -49,10 +49,13 @@ struct recvlist_node {
 extern struct hashtable_t *vis_hash;
 extern spinlock_t vis_hash_lock;
 
+void proc_vis_insert_interface(const uint8_t *interface,
+				      struct hlist_head *if_list,
+				      bool primary);
 void proc_vis_read_entry(struct seq_file *seq,
 				struct vis_info_entry *entry,
-				struct hlist_head *if_list,
-				uint8_t *vis_orig);
+				uint8_t *src,
+				bool primary);
 void proc_vis_read_prim_sec(struct seq_file *seq,
 			    struct hlist_head *if_list);
 void receive_server_sync_packet(struct vis_packet *vis_packet,

From ea4ceb18b525fd7016c10995c0f1313a729c7e2b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@web.de>
Date: Mon, 22 Mar 2010 22:46:15 +0100
Subject: [PATCH 1080/3638] Staging: batman-adv: Fixing wrap-around bug in vis
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When the seqno for a vis packet had a wrap around from i.e. 255 to 0,
add_packet() would falsely claim the older packet with the seqno 255 as
newer as the one with the seqno of 0 and would therefore ignore the new
packet. This happens with all following vis packets until the old vis
packet expires after 180 seconds timeout. This patch fixes this issue
and gets rid of these highly undesired 3min. breaks for the vis-server.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/vis.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index 222db0189a6..28eac7e0523 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -27,6 +27,22 @@
 #include "hard-interface.h"
 #include "hash.h"
 
+/* Returns the smallest signed integer in two's complement with the sizeof x */
+#define smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
+
+/* Checks if a sequence number x is a predecessor/successor of y.
+   they handle overflows/underflows and can correctly check for a
+   predecessor/successor unless the variable sequence number has grown by
+   more then 2**(bitwidth(x)-1)-1.
+   This means that for a uint8_t with the maximum value 255, it would think:
+    * when adding nothing - it is neither a predecessor nor a successor
+    * before adding more than 127 to the starting value - it is a predecessor,
+    * when adding 128 - it is neither a predecessor nor a successor,
+    * after adding more than 127 to the starting value - it is a successor */
+#define seq_before(x, y) ({typeof(x) _dummy = (x - y); \
+			  _dummy > smallest_signed_int(_dummy); })
+#define seq_after(x, y) seq_before(y, x)
+
 struct hashtable_t *vis_hash;
 DEFINE_SPINLOCK(vis_hash_lock);
 static DEFINE_SPINLOCK(recv_list_lock);
@@ -212,7 +228,7 @@ static struct vis_info *add_packet(struct vis_packet *vis_packet,
 	old_info = hash_find(vis_hash, &search_elem);
 
 	if (old_info != NULL) {
-		if (vis_packet->seqno - old_info->packet.seqno <= 0) {
+		if (!seq_after(vis_packet->seqno, old_info->packet.seqno)) {
 			if (old_info->packet.seqno == vis_packet->seqno) {
 				recv_list_add(&old_info->recv_list,
 					      vis_packet->sender_orig);

From d20cf2feafa38edfcb9e7c98898b006c5fffd62e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 11:43:32 -0700
Subject: [PATCH 1081/3638] Staging: comedi: comedi_ksysms: remove commented
 out symbols

These aren't needed, they are commented out, so remove them.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_ksyms.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/staging/comedi/comedi_ksyms.c b/drivers/staging/comedi/comedi_ksyms.c
index 87803e69a14..6ebfbf30a99 100644
--- a/drivers/staging/comedi/comedi_ksyms.c
+++ b/drivers/staging/comedi/comedi_ksyms.c
@@ -28,12 +28,7 @@
 /* for drivers */
 EXPORT_SYMBOL(comedi_driver_register);
 EXPORT_SYMBOL(comedi_driver_unregister);
-/* EXPORT_SYMBOL(comedi_bufcheck); */
-/* EXPORT_SYMBOL(comedi_done); */
-/* EXPORT_SYMBOL(comedi_error_done); */
 EXPORT_SYMBOL(comedi_error);
-/* EXPORT_SYMBOL(comedi_eobuf); */
-/* EXPORT_SYMBOL(comedi_eos); */
 EXPORT_SYMBOL(comedi_event);
 EXPORT_SYMBOL(comedi_get_subdevice_runflags);
 EXPORT_SYMBOL(comedi_set_subdevice_runflags);

From d58214b0b8662f1b27d538390ecc49bbea0cd754 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 11:54:07 -0700
Subject: [PATCH 1082/3638] Staging: comedi: move a bunch of EXPORT_SYMBOL
 lines

Move the ones that are needed to be in drivers.c into the
file.  This is with the goal of deleting the comedi_ksyms.c
file.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_ksyms.c | 13 -------------
 drivers/staging/comedi/drivers.c      | 12 ++++++++++++
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/comedi/comedi_ksyms.c b/drivers/staging/comedi/comedi_ksyms.c
index 6ebfbf30a99..c0e53bc269c 100644
--- a/drivers/staging/comedi/comedi_ksyms.c
+++ b/drivers/staging/comedi/comedi_ksyms.c
@@ -26,8 +26,6 @@
 #include "comedidev.h"
 
 /* for drivers */
-EXPORT_SYMBOL(comedi_driver_register);
-EXPORT_SYMBOL(comedi_driver_unregister);
 EXPORT_SYMBOL(comedi_error);
 EXPORT_SYMBOL(comedi_event);
 EXPORT_SYMBOL(comedi_get_subdevice_runflags);
@@ -51,14 +49,3 @@ EXPORT_SYMBOL_GPL(comedi_usb_auto_unconfig);
 /* for kcomedilib */
 EXPORT_SYMBOL(check_chanlist);
 EXPORT_SYMBOL_GPL(comedi_get_device_file_info);
-
-EXPORT_SYMBOL(comedi_buf_put);
-EXPORT_SYMBOL(comedi_buf_get);
-EXPORT_SYMBOL(comedi_buf_read_n_available);
-EXPORT_SYMBOL(comedi_buf_write_free);
-EXPORT_SYMBOL(comedi_buf_write_alloc);
-EXPORT_SYMBOL(comedi_buf_read_free);
-EXPORT_SYMBOL(comedi_buf_read_alloc);
-EXPORT_SYMBOL(comedi_buf_memcpy_to);
-EXPORT_SYMBOL(comedi_buf_memcpy_from);
-EXPORT_SYMBOL(comedi_reset_async_buf);
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 800106ae990..2b7eda50180 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -188,6 +188,7 @@ int comedi_driver_register(struct comedi_driver *driver)
 
 	return 0;
 }
+EXPORT_SYMBOL(comedi_driver_register);
 
 int comedi_driver_unregister(struct comedi_driver *driver)
 {
@@ -228,6 +229,7 @@ int comedi_driver_unregister(struct comedi_driver *driver)
 	}
 	return -EINVAL;
 }
+EXPORT_SYMBOL(comedi_driver_unregister);
 
 static int postconfig(struct comedi_device *dev)
 {
@@ -621,6 +623,7 @@ unsigned int comedi_buf_write_alloc(struct comedi_async *async,
 	smp_mb();
 	return nbytes;
 }
+EXPORT_SYMBOL(comedi_buf_write_alloc);
 
 /* allocates nothing unless it can completely fulfill the request */
 unsigned int comedi_buf_write_alloc_strict(struct comedi_async *async,
@@ -655,6 +658,7 @@ unsigned comedi_buf_write_free(struct comedi_async *async, unsigned int nbytes)
 
 	return nbytes;
 }
+EXPORT_SYMBOL(comedi_buf_write_free);
 
 /* allocates a chunk for the reader from filled (and munged) buffer space */
 unsigned comedi_buf_read_alloc(struct comedi_async *async, unsigned nbytes)
@@ -669,6 +673,7 @@ unsigned comedi_buf_read_alloc(struct comedi_async *async, unsigned nbytes)
 	smp_rmb();
 	return nbytes;
 }
+EXPORT_SYMBOL(comedi_buf_read_alloc);
 
 /* transfers control of a chunk from reader to free buffer space */
 unsigned comedi_buf_read_free(struct comedi_async *async, unsigned int nbytes)
@@ -687,6 +692,7 @@ unsigned comedi_buf_read_free(struct comedi_async *async, unsigned int nbytes)
 	async->buf_read_ptr %= async->prealloc_bufsz;
 	return nbytes;
 }
+EXPORT_SYMBOL(comedi_buf_read_free);
 
 void comedi_buf_memcpy_to(struct comedi_async *async, unsigned int offset,
 			  const void *data, unsigned int num_bytes)
@@ -712,6 +718,7 @@ void comedi_buf_memcpy_to(struct comedi_async *async, unsigned int offset,
 		write_ptr = 0;
 	}
 }
+EXPORT_SYMBOL(comedi_buf_memcpy_to);
 
 void comedi_buf_memcpy_from(struct comedi_async *async, unsigned int offset,
 			    void *dest, unsigned int nbytes)
@@ -738,6 +745,7 @@ void comedi_buf_memcpy_from(struct comedi_async *async, unsigned int offset,
 		read_ptr = 0;
 	}
 }
+EXPORT_SYMBOL(comedi_buf_memcpy_from);
 
 unsigned int comedi_buf_read_n_available(struct comedi_async *async)
 {
@@ -753,6 +761,7 @@ unsigned int comedi_buf_read_n_available(struct comedi_async *async)
 	smp_rmb();
 	return num_bytes;
 }
+EXPORT_SYMBOL(comedi_buf_read_n_available);
 
 int comedi_buf_get(struct comedi_async *async, short *x)
 {
@@ -765,6 +774,7 @@ int comedi_buf_get(struct comedi_async *async, short *x)
 	comedi_buf_read_free(async, sizeof(short));
 	return 1;
 }
+EXPORT_SYMBOL(comedi_buf_get);
 
 int comedi_buf_put(struct comedi_async *async, short x)
 {
@@ -778,6 +788,7 @@ int comedi_buf_put(struct comedi_async *async, short x)
 	comedi_buf_write_free(async, sizeof(short));
 	return 1;
 }
+EXPORT_SYMBOL(comedi_buf_put);
 
 void comedi_reset_async_buf(struct comedi_async *async)
 {
@@ -797,6 +808,7 @@ void comedi_reset_async_buf(struct comedi_async *async)
 
 	async->events = 0;
 }
+EXPORT_SYMBOL(comedi_reset_async_buf);
 
 int comedi_auto_config(struct device *hardware_device, const char *board_name,
 		       const int *options, unsigned num_options)

From 18736438ae4ab3d96602b92446e07cc03c024b02 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 12:02:23 -0700
Subject: [PATCH 1083/3638] Staging: comedi: more EXPORT_SYMBOL movement

This moves the markings to the comedi_fops.c file, where
they belong.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c  |  8 ++++++++
 drivers/staging/comedi/comedi_ksyms.c | 10 ----------
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 1b3aed4ee60..4fe3d0c2e6b 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -57,6 +57,7 @@ MODULE_LICENSE("GPL");
 
 #ifdef CONFIG_COMEDI_DEBUG
 int comedi_debug;
+EXPORT_SYMBOL(comedi_debug);
 module_param(comedi_debug, int, 0644);
 #endif
 
@@ -1975,6 +1976,7 @@ void comedi_error(const struct comedi_device *dev, const char *s)
 	printk(KERN_ERR "comedi%d: %s: %s\n", dev->minor,
 	       dev->driver->driver_name, s);
 }
+EXPORT_SYMBOL(comedi_error);
 
 void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
 {
@@ -2017,6 +2019,7 @@ void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
 	}
 	s->async->events = 0;
 }
+EXPORT_SYMBOL(comedi_event);
 
 void comedi_set_subdevice_runflags(struct comedi_subdevice *s, unsigned mask,
 				   unsigned bits)
@@ -2028,6 +2031,7 @@ void comedi_set_subdevice_runflags(struct comedi_subdevice *s, unsigned mask,
 	s->runflags |= (bits & mask);
 	spin_unlock_irqrestore(&s->spin_lock, flags);
 }
+EXPORT_SYMBOL(comedi_set_subdevice_runflags);
 
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s)
 {
@@ -2039,6 +2043,7 @@ unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s)
 	spin_unlock_irqrestore(&s->spin_lock, flags);
 	return runflags;
 }
+EXPORT_SYMBOL(comedi_get_subdevice_runflags);
 
 static int is_device_busy(struct comedi_device *dev)
 {
@@ -2152,6 +2157,7 @@ int comedi_alloc_board_minor(struct device *hardware_device)
 	}
 	return i;
 }
+EXPORT_SYMBOL_GPL(comedi_alloc_board_minor);
 
 void comedi_free_board_minor(unsigned minor)
 {
@@ -2177,6 +2183,7 @@ void comedi_free_board_minor(unsigned minor)
 		kfree(info);
 	}
 }
+EXPORT_SYMBOL_GPL(comedi_free_board_minor);
 
 int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 				 struct comedi_subdevice *s)
@@ -2286,6 +2293,7 @@ struct comedi_device_file_info *comedi_get_device_file_info(unsigned minor)
 	spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
 	return info;
 }
+EXPORT_SYMBOL_GPL(comedi_get_device_file_info);
 
 static int resize_async_buffer(struct comedi_device *dev,
 			       struct comedi_subdevice *s,
diff --git a/drivers/staging/comedi/comedi_ksyms.c b/drivers/staging/comedi/comedi_ksyms.c
index c0e53bc269c..9dc04a62a03 100644
--- a/drivers/staging/comedi/comedi_ksyms.c
+++ b/drivers/staging/comedi/comedi_ksyms.c
@@ -26,21 +26,12 @@
 #include "comedidev.h"
 
 /* for drivers */
-EXPORT_SYMBOL(comedi_error);
-EXPORT_SYMBOL(comedi_event);
-EXPORT_SYMBOL(comedi_get_subdevice_runflags);
-EXPORT_SYMBOL(comedi_set_subdevice_runflags);
 EXPORT_SYMBOL(range_bipolar10);
 EXPORT_SYMBOL(range_bipolar5);
 EXPORT_SYMBOL(range_bipolar2_5);
 EXPORT_SYMBOL(range_unipolar10);
 EXPORT_SYMBOL(range_unipolar5);
 EXPORT_SYMBOL(range_unknown);
-#ifdef CONFIG_COMEDI_DEBUG
-EXPORT_SYMBOL(comedi_debug);
-#endif
-EXPORT_SYMBOL_GPL(comedi_alloc_board_minor);
-EXPORT_SYMBOL_GPL(comedi_free_board_minor);
 EXPORT_SYMBOL_GPL(comedi_pci_auto_config);
 EXPORT_SYMBOL_GPL(comedi_pci_auto_unconfig);
 EXPORT_SYMBOL_GPL(comedi_usb_auto_config);
@@ -48,4 +39,3 @@ EXPORT_SYMBOL_GPL(comedi_usb_auto_unconfig);
 
 /* for kcomedilib */
 EXPORT_SYMBOL(check_chanlist);
-EXPORT_SYMBOL_GPL(comedi_get_device_file_info);

From e42315177d278089ba7b1e623ecbd5b273b7e62b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 12:12:02 -0700
Subject: [PATCH 1084/3638] Staging: comedi: more EXPORT_SYMBOL movement

Move the exports for the variables that are in range.c into the
file itself.  These variables should be prefixed with comedi_ but
that's for a different patch...

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_ksyms.c | 6 ------
 drivers/staging/comedi/range.c        | 6 ++++++
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/comedi_ksyms.c b/drivers/staging/comedi/comedi_ksyms.c
index 9dc04a62a03..cc0a399277c 100644
--- a/drivers/staging/comedi/comedi_ksyms.c
+++ b/drivers/staging/comedi/comedi_ksyms.c
@@ -26,12 +26,6 @@
 #include "comedidev.h"
 
 /* for drivers */
-EXPORT_SYMBOL(range_bipolar10);
-EXPORT_SYMBOL(range_bipolar5);
-EXPORT_SYMBOL(range_bipolar2_5);
-EXPORT_SYMBOL(range_unipolar10);
-EXPORT_SYMBOL(range_unipolar5);
-EXPORT_SYMBOL(range_unknown);
 EXPORT_SYMBOL_GPL(comedi_pci_auto_config);
 EXPORT_SYMBOL_GPL(comedi_pci_auto_unconfig);
 EXPORT_SYMBOL_GPL(comedi_usb_auto_config);
diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index c35ade94a12..b5644cad260 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -30,6 +30,12 @@ const struct comedi_lrange range_bipolar2_5 = { 1, {BIP_RANGE(2.5)} };
 const struct comedi_lrange range_unipolar10 = { 1, {UNI_RANGE(10)} };
 const struct comedi_lrange range_unipolar5 = { 1, {UNI_RANGE(5)} };
 const struct comedi_lrange range_unknown = { 1, {{0, 1000000, UNIT_none} } };
+EXPORT_SYMBOL(range_bipolar10);
+EXPORT_SYMBOL(range_bipolar5);
+EXPORT_SYMBOL(range_bipolar2_5);
+EXPORT_SYMBOL(range_unipolar10);
+EXPORT_SYMBOL(range_unipolar5);
+EXPORT_SYMBOL(range_unknown);
 
 /*
 	COMEDI_RANGEINFO

From 0fd0ca75fd9eb0e9cde49c28ad227c2d8d049366 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 12:33:17 -0700
Subject: [PATCH 1085/3638] Staging: comedi: rename check_chanlist to
 comedi_check_chanlist

It's a global function, so properly name it and move the
export to where the function is located at.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c                | 6 +++---
 drivers/staging/comedi/comedi_ksyms.c               | 3 ---
 drivers/staging/comedi/comedidev.h                  | 2 +-
 drivers/staging/comedi/kcomedilib/kcomedilib_main.c | 2 +-
 drivers/staging/comedi/range.c                      | 4 +++-
 5 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 4fe3d0c2e6b..b11f9b08000 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -839,7 +839,7 @@ static int parse_insn(struct comedi_device *dev, struct comedi_insn *insn,
 			goto out;
 		}
 
-		ret = check_chanlist(s, 1, &insn->chanspec);
+		ret = comedi_check_chanlist(s, 1, &insn->chanspec);
 		if (ret < 0) {
 			ret = -EINVAL;
 			DPRINTK("bad chanspec\n");
@@ -1052,7 +1052,7 @@ static int do_cmd_ioctl(struct comedi_device *dev, void *arg, void *file)
 	}
 
 	/* make sure each element in channel/gain list is valid */
-	ret = check_chanlist(s, async->cmd.chanlist_len, async->cmd.chanlist);
+	ret = comedi_check_chanlist(s, async->cmd.chanlist_len, async->cmd.chanlist);
 	if (ret < 0) {
 		DPRINTK("bad chanlist\n");
 		goto cleanup;
@@ -1174,7 +1174,7 @@ static int do_cmdtest_ioctl(struct comedi_device *dev, void *arg, void *file)
 		}
 
 		/* make sure each element in channel/gain list is valid */
-		ret = check_chanlist(s, user_cmd.chanlist_len, chanlist);
+		ret = comedi_check_chanlist(s, user_cmd.chanlist_len, chanlist);
 		if (ret < 0) {
 			DPRINTK("bad chanlist\n");
 			goto cleanup;
diff --git a/drivers/staging/comedi/comedi_ksyms.c b/drivers/staging/comedi/comedi_ksyms.c
index cc0a399277c..0ce231489a5 100644
--- a/drivers/staging/comedi/comedi_ksyms.c
+++ b/drivers/staging/comedi/comedi_ksyms.c
@@ -30,6 +30,3 @@ EXPORT_SYMBOL_GPL(comedi_pci_auto_config);
 EXPORT_SYMBOL_GPL(comedi_pci_auto_unconfig);
 EXPORT_SYMBOL_GPL(comedi_usb_auto_config);
 EXPORT_SYMBOL_GPL(comedi_usb_auto_unconfig);
-
-/* for kcomedilib */
-EXPORT_SYMBOL(check_chanlist);
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index f5b0810f225..5e4672751d4 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -382,7 +382,7 @@ enum subdevice_runflags {
  */
 
 int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg);
-int check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist);
+int comedi_check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist);
 void comedi_set_subdevice_runflags(struct comedi_subdevice *s, unsigned mask,
 				   unsigned bits);
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s);
diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index 288fef4fcbc..2229b46e849 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -251,7 +251,7 @@ int comedi_do_insn(void *d, struct comedi_insn *insn)
 
 		/* XXX check lock */
 
-		ret = check_chanlist(s, 1, &insn->chanspec);
+		ret = comedi_check_chanlist(s, 1, &insn->chanspec);
 		if (ret < 0) {
 			printk("bad chanspec\n");
 			ret = -EINVAL;
diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index b5644cad260..6b03a69762a 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -126,7 +126,8 @@ static int aref_invalid(struct comedi_subdevice *s, unsigned int chanspec)
    This function checks each element in a channel/gain list to make
    make sure it is valid.
 */
-int check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist)
+int comedi_check_chanlist(struct comedi_subdevice *s, int n,
+			  unsigned int *chanlist)
 {
 	int i;
 	int chan;
@@ -160,3 +161,4 @@ int check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist)
 	}
 	return 0;
 }
+EXPORT_SYMBOL(comedi_check_chanlist);

From 4bf935596bfabe3f951bc0331ebd893ef06e1123 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 12:38:02 -0700
Subject: [PATCH 1086/3638] Staging: comedi: remove comedi_ksyms.c

Move the 4 remaining exports to their function location
and then remove the comedi_ksyms.c file, as it's no longer
needed.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/Makefile       |  1 -
 drivers/staging/comedi/comedi_ksyms.c | 32 ---------------------------
 drivers/staging/comedi/drivers.c      |  4 ++++
 3 files changed, 4 insertions(+), 33 deletions(-)
 delete mode 100644 drivers/staging/comedi/comedi_ksyms.c

diff --git a/drivers/staging/comedi/Makefile b/drivers/staging/comedi/Makefile
index 05811f79d85..20afea301c8 100644
--- a/drivers/staging/comedi/Makefile
+++ b/drivers/staging/comedi/Makefile
@@ -9,4 +9,3 @@ comedi-objs :=		\
 	range.o		\
 	drivers.o	\
 	comedi_compat32.o \
-	comedi_ksyms.o	\
diff --git a/drivers/staging/comedi/comedi_ksyms.c b/drivers/staging/comedi/comedi_ksyms.c
deleted file mode 100644
index 0ce231489a5..00000000000
--- a/drivers/staging/comedi/comedi_ksyms.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
-    module/exp_ioctl.c
-    exported comedi functions
-
-    COMEDI - Linux Control and Measurement Device Interface
-    Copyright (C) 1997-8 David A. Schleef <ds@schleef.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#define __NO_VERSION__
-
-#include "comedidev.h"
-
-/* for drivers */
-EXPORT_SYMBOL_GPL(comedi_pci_auto_config);
-EXPORT_SYMBOL_GPL(comedi_pci_auto_unconfig);
-EXPORT_SYMBOL_GPL(comedi_usb_auto_config);
-EXPORT_SYMBOL_GPL(comedi_usb_auto_unconfig);
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 2b7eda50180..d7a45091740 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -881,20 +881,24 @@ int comedi_pci_auto_config(struct pci_dev *pcidev, const char *board_name)
 	return comedi_auto_config(&pcidev->dev, board_name,
 				  options, ARRAY_SIZE(options));
 }
+EXPORT_SYMBOL_GPL(comedi_pci_auto_config);
 
 void comedi_pci_auto_unconfig(struct pci_dev *pcidev)
 {
 	comedi_auto_unconfig(&pcidev->dev);
 }
+EXPORT_SYMBOL_GPL(comedi_pci_auto_unconfig);
 
 int comedi_usb_auto_config(struct usb_device *usbdev, const char *board_name)
 {
 	BUG_ON(usbdev == NULL);
 	return comedi_auto_config(&usbdev->dev, board_name, NULL, 0);
 }
+EXPORT_SYMBOL_GPL(comedi_usb_auto_config);
 
 void comedi_usb_auto_unconfig(struct usb_device *usbdev)
 {
 	BUG_ON(usbdev == NULL);
 	comedi_auto_unconfig(&usbdev->dev);
 }
+EXPORT_SYMBOL_GPL(comedi_usb_auto_unconfig);

From 7382e5711f3adc934227473f82156ae1e2d7e562 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 13:08:06 -0700
Subject: [PATCH 1087/3638] Staging: comedi: kcomedilib: remove ksyms.c file

Move only the exports that we actually use into the individual
files, and delete the ksyms.c file entirely.  This will make it
easier to start cleaning up kcomedilib (i.e. delete most of it.)

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/kcomedilib/Makefile    |   1 -
 drivers/staging/comedi/kcomedilib/dio.c       |   3 +
 drivers/staging/comedi/kcomedilib/get.c       |  18 +--
 .../comedi/kcomedilib/kcomedilib_main.c       |   6 +-
 drivers/staging/comedi/kcomedilib/ksyms.c     | 146 ------------------
 5 files changed, 16 insertions(+), 158 deletions(-)
 delete mode 100644 drivers/staging/comedi/kcomedilib/ksyms.c

diff --git a/drivers/staging/comedi/kcomedilib/Makefile b/drivers/staging/comedi/kcomedilib/Makefile
index ffcc9ad32ad..76de45bd37e 100644
--- a/drivers/staging/comedi/kcomedilib/Makefile
+++ b/drivers/staging/comedi/kcomedilib/Makefile
@@ -2,7 +2,6 @@ obj-$(CONFIG_COMEDI)	+= kcomedilib.o
 
 kcomedilib-objs :=				\
 			data.o			\
-			ksyms.o			\
 			dio.o			\
 			kcomedilib_main.o	\
 			get.o
diff --git a/drivers/staging/comedi/kcomedilib/dio.c b/drivers/staging/comedi/kcomedilib/dio.c
index 30192f3c465..e37aa530814 100644
--- a/drivers/staging/comedi/kcomedilib/dio.c
+++ b/drivers/staging/comedi/kcomedilib/dio.c
@@ -25,6 +25,7 @@
 #include "../comedilib.h"
 
 #include <linux/string.h>
+#include <linux/module.h>
 
 int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
 		      unsigned int io)
@@ -40,6 +41,7 @@ int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
 
 	return comedi_do_insn(dev, &insn);
 }
+EXPORT_SYMBOL(comedi_dio_config);
 
 int comedi_dio_read(void *dev, unsigned int subdev, unsigned int chan,
 		    unsigned int *val)
@@ -93,3 +95,4 @@ int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
 
 	return ret;
 }
+EXPORT_SYMBOL(comedi_dio_bitfield);
diff --git a/drivers/staging/comedi/kcomedilib/get.c b/drivers/staging/comedi/kcomedilib/get.c
index 6d841871525..ec072ce7cd4 100644
--- a/drivers/staging/comedi/kcomedilib/get.c
+++ b/drivers/staging/comedi/kcomedilib/get.c
@@ -81,6 +81,7 @@ int comedi_find_subdevice_by_type(void *d, int type, unsigned int subd)
 	}
 	return -1;
 }
+EXPORT_SYMBOL(comedi_find_subdevice_by_type);
 
 int comedi_get_n_channels(void *d, unsigned int subdevice)
 {
@@ -89,6 +90,7 @@ int comedi_get_n_channels(void *d, unsigned int subdevice)
 
 	return s->n_chan;
 }
+EXPORT_SYMBOL(comedi_get_n_channels);
 
 int comedi_get_len_chanlist(void *d, unsigned int subdevice)
 {
@@ -117,11 +119,10 @@ int comedi_get_rangetype(void *d, unsigned int subdevice, unsigned int chan)
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
 	int ret;
 
-	if (s->range_table_list) {
+	if (s->range_table_list)
 		ret = s->range_table_list[chan]->length;
-	} else {
+	else
 		ret = s->range_table->length;
-	}
 
 	ret = ret | (dev->minor << 28) | (subdevice << 24) | (chan << 16);
 
@@ -135,11 +136,10 @@ int comedi_get_n_ranges(void *d, unsigned int subdevice, unsigned int chan)
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
 	int ret;
 
-	if (s->range_table_list) {
+	if (s->range_table_list)
 		ret = s->range_table_list[chan]->length;
-	} else {
+	else
 		ret = s->range_table->length;
-	}
 
 	return ret;
 }
@@ -154,11 +154,11 @@ int comedi_get_krange(void *d, unsigned int subdevice, unsigned int chan,
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
 	const struct comedi_lrange *lr;
 
-	if (s->range_table_list) {
+	if (s->range_table_list)
 		lr = s->range_table_list[chan];
-	} else {
+	else
 		lr = s->range_table;
-	}
+
 	if (range >= lr->length)
 		return -EINVAL;
 
diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index 2229b46e849..32c7bbb8d78 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -31,7 +31,7 @@
 #include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/mm.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 #include "../comedi.h"
 #include "../comedilib.h"
@@ -68,6 +68,7 @@ void *comedi_open(const char *filename)
 
 	return (void *)dev;
 }
+EXPORT_SYMBOL(comedi_open);
 
 void *comedi_open_old(unsigned int minor)
 {
@@ -96,6 +97,7 @@ int comedi_close(void *d)
 
 	return 0;
 }
+EXPORT_SYMBOL(comedi_close);
 
 int comedi_loglevel(int newlevel)
 {
@@ -104,7 +106,7 @@ int comedi_loglevel(int newlevel)
 
 void comedi_perror(const char *message)
 {
-	printk("%s: unknown error\n", message);
+	printk(KERN_ERR "%s: unknown error\n", message);
 }
 
 char *comedi_strerror(int err)
diff --git a/drivers/staging/comedi/kcomedilib/ksyms.c b/drivers/staging/comedi/kcomedilib/ksyms.c
deleted file mode 100644
index 8bf4471ce6c..00000000000
--- a/drivers/staging/comedi/kcomedilib/ksyms.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
-    comedi/kcomedilib/ksyms.c
-    a comedlib interface for kernel modules
-
-    COMEDI - Linux Control and Measurement Device Interface
-    Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include "../comedi.h"
-#include "../comedilib.h"
-#include "../comedidev.h"
-
-#include <linux/module.h>
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/fcntl.h>
-#include <linux/delay.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-
-/* functions specific to kcomedilib */
-
-EXPORT_SYMBOL(comedi_register_callback);
-EXPORT_SYMBOL(comedi_get_krange);
-EXPORT_SYMBOL(comedi_get_buf_head_pos);
-EXPORT_SYMBOL(comedi_set_user_int_count);
-EXPORT_SYMBOL(comedi_map);
-EXPORT_SYMBOL(comedi_unmap);
-
-/* This list comes from user-space comedilib, to show which
- * functions are not ported yet. */
-
-EXPORT_SYMBOL(comedi_open);
-EXPORT_SYMBOL(comedi_close);
-
-/* logging */
-EXPORT_SYMBOL(comedi_loglevel);
-EXPORT_SYMBOL(comedi_perror);
-EXPORT_SYMBOL(comedi_strerror);
-/* EXPORT_SYMBOL(comedi_errno); */
-EXPORT_SYMBOL(comedi_fileno);
-
-/* device queries */
-EXPORT_SYMBOL(comedi_get_n_subdevices);
-EXPORT_SYMBOL(comedi_get_version_code);
-EXPORT_SYMBOL(comedi_get_driver_name);
-EXPORT_SYMBOL(comedi_get_board_name);
-
-/* subdevice queries */
-EXPORT_SYMBOL(comedi_get_subdevice_type);
-EXPORT_SYMBOL(comedi_find_subdevice_by_type);
-EXPORT_SYMBOL(comedi_get_subdevice_flags);
-EXPORT_SYMBOL(comedi_get_n_channels);
-/*
-* EXPORT_SYMBOL(comedi_range_is_chan_specific);
-* EXPORT_SYMBOL(comedi_maxdata_is_chan_specific);
-*/
-
-/* channel queries */
-EXPORT_SYMBOL(comedi_get_maxdata);
-#ifdef KCOMEDILIB_DEPRECATED
-EXPORT_SYMBOL(comedi_get_rangetype);
-#endif
-EXPORT_SYMBOL(comedi_get_n_ranges);
-/* EXPORT_SYMBOL(comedi_find_range); */
-
-/* buffer queries */
-EXPORT_SYMBOL(comedi_get_buffer_size);
-/*
-* EXPORT_SYMBOL(comedi_get_max_buffer_size);
-* EXPORT_SYMBOL(comedi_set_buffer_size);
-*/
-EXPORT_SYMBOL(comedi_get_buffer_contents);
-EXPORT_SYMBOL(comedi_get_buffer_offset);
-
-/* low-level stuff */
-/*
-* EXPORT_SYMBOL(comedi_trigger); EXPORT_SYMBOL(comedi_do_insnlist);
-*/
-EXPORT_SYMBOL(comedi_do_insn);
-EXPORT_SYMBOL(comedi_lock);
-EXPORT_SYMBOL(comedi_unlock);
-
-/* physical units */
-/*
-* EXPORT_SYMBOL(comedi_to_phys); EXPORT_SYMBOL(comedi_from_phys);
-*/
-
-/* synchronous stuff */
-EXPORT_SYMBOL(comedi_data_read);
-EXPORT_SYMBOL(comedi_data_read_hint);
-EXPORT_SYMBOL(comedi_data_read_delayed);
-EXPORT_SYMBOL(comedi_data_write);
-EXPORT_SYMBOL(comedi_dio_config);
-EXPORT_SYMBOL(comedi_dio_read);
-EXPORT_SYMBOL(comedi_dio_write);
-EXPORT_SYMBOL(comedi_dio_bitfield);
-
-/* slowly varying stuff */
-/*
-* EXPORT_SYMBOL(comedi_sv_init); EXPORT_SYMBOL(comedi_sv_update);
-* EXPORT_SYMBOL(comedi_sv_measure);
-*/
-
-/* commands */
-/*
-* EXPORT_SYMBOL(comedi_get_cmd_src_mask);
-* EXPORT_SYMBOL(comedi_get_cmd_generic_timed);
-*/
-EXPORT_SYMBOL(comedi_cancel);
-EXPORT_SYMBOL(comedi_command);
-EXPORT_SYMBOL(comedi_command_test);
-EXPORT_SYMBOL(comedi_poll);
-
-/* buffer configuration */
-EXPORT_SYMBOL(comedi_mark_buffer_read);
-EXPORT_SYMBOL(comedi_mark_buffer_written);
-
-/* EXPORT_SYMBOL(comedi_get_range); */
-EXPORT_SYMBOL(comedi_get_len_chanlist);
-
-/* deprecated */
-/*
-* EXPORT_SYMBOL(comedi_get_timer);
-* EXPORT_SYMBOL(comedi_timed_1chan);
-*/
-
-/* alpha */
-/* EXPORT_SYMBOL(comedi_set_global_oor_behavior); */

From 703f5936e2a4a31a5b2596d47c1504a472d4ab85 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 13:42:37 -0700
Subject: [PATCH 1088/3638] Staging: comedi: clean up comedilib.h

Remove a whole #ifdef section that is not needed anymore.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedilib.h | 82 ------------------------------
 1 file changed, 82 deletions(-)

diff --git a/drivers/staging/comedi/comedilib.h b/drivers/staging/comedi/comedilib.h
index 27dd3bec88a..deb28cb234a 100644
--- a/drivers/staging/comedi/comedilib.h
+++ b/drivers/staging/comedi/comedilib.h
@@ -26,16 +26,6 @@
 
 #include "comedi.h"
 
-/* Kernel internal stuff.  Needed by real-time modules and such. */
-
-#ifndef __KERNEL__
-#error linux/comedilib.h should not be included by non-kernel-space code
-#endif
-
-/* exported functions */
-
-#ifndef KCOMEDILIB_DEPRECATED
-
 /* these functions may not be called at real-time priority */
 
 void *comedi_open(const char *path);
@@ -117,77 +107,5 @@ int comedi_mark_buffer_written(void *d, unsigned int subdevice,
 int comedi_get_buffer_contents(void *dev, unsigned int subdevice);
 int comedi_get_buffer_offset(void *dev, unsigned int subdevice);
 
-#else
-
-/* these functions may not be called at real-time priority */
-
-int comedi_open(unsigned int minor);
-void comedi_close(unsigned int minor);
-
-/* these functions may be called at any priority, but may fail at
-   real-time priority */
-
-int comedi_lock(unsigned int minor, unsigned int subdev);
-int comedi_unlock(unsigned int minor, unsigned int subdev);
-
-/* these functions may be called at any priority, but you must hold
-   the lock for the subdevice */
-
-int comedi_cancel(unsigned int minor, unsigned int subdev);
-int comedi_register_callback(unsigned int minor, unsigned int subdev,
-			     unsigned int mask, int (*cb) (unsigned int,
-							   void *), void *arg);
-
-int comedi_command(unsigned int minor, struct comedi_cmd *cmd);
-int comedi_command_test(unsigned int minor, struct comedi_cmd *cmd);
-int comedi_trigger(unsigned int minor, unsigned int subdev,
-		   struct comedi_trig *it);
-int __comedi_trigger(unsigned int minor, unsigned int subdev,
-		     struct comedi_trig *it);
-int comedi_data_write(unsigned int dev, unsigned int subdev, unsigned int chan,
-		      unsigned int range, unsigned int aref, unsigned int data);
-int comedi_data_read(unsigned int dev, unsigned int subdev, unsigned int chan,
-		     unsigned int range, unsigned int aref, unsigned int *data);
-int comedi_dio_config(unsigned int dev, unsigned int subdev, unsigned int chan,
-		      unsigned int io);
-int comedi_dio_read(unsigned int dev, unsigned int subdev, unsigned int chan,
-		    unsigned int *val);
-int comedi_dio_write(unsigned int dev, unsigned int subdev, unsigned int chan,
-		     unsigned int val);
-int comedi_dio_bitfield(unsigned int dev, unsigned int subdev,
-			unsigned int mask, unsigned int *bits);
-int comedi_get_n_subdevices(unsigned int dev);
-int comedi_get_version_code(unsigned int dev);
-char *comedi_get_driver_name(unsigned int dev);
-char *comedi_get_board_name(unsigned int minor);
-int comedi_get_subdevice_type(unsigned int minor, unsigned int subdevice);
-int comedi_find_subdevice_by_type(unsigned int minor, int type,
-				  unsigned int subd);
-int comedi_get_n_channels(unsigned int minor, unsigned int subdevice);
-unsigned int comedi_get_maxdata(unsigned int minor, unsigned int subdevice,
-				unsigned int chan);
-int comedi_get_n_ranges(unsigned int minor, unsigned int subdevice,
-			unsigned int chan);
-int comedi_do_insn(unsigned int minor, struct comedi_insn *insn);
-int comedi_poll(unsigned int minor, unsigned int subdev);
-
-/* DEPRECATED functions */
-int comedi_get_rangetype(unsigned int minor, unsigned int subdevice,
-			 unsigned int chan);
-
-/* ALPHA functions */
-unsigned int comedi_get_subdevice_flags(unsigned int minor, unsigned int
-					subdevice);
-int comedi_get_len_chanlist(unsigned int minor, unsigned int subdevice);
-int comedi_get_krange(unsigned int minor, unsigned int subdevice, unsigned int
-		      chan, unsigned int range, struct comedi_krange *krange);
-unsigned int comedi_get_buf_head_pos(unsigned int minor, unsigned int
-				     subdevice);
-int comedi_set_user_int_count(unsigned int minor, unsigned int subdevice,
-			      unsigned int buf_user_count);
-int comedi_map(unsigned int minor, unsigned int subdev, void **ptr);
-int comedi_unmap(unsigned int minor, unsigned int subdev);
-
-#endif
 
 #endif

From e2a0eab0a121a95be60a81911df07cc21e4ee429 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 13:44:56 -0700
Subject: [PATCH 1089/3638] Staging: comedi: move an include file out of
 comedlib.h

The one .c file that needs it can properly include it.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedilib.h           | 2 --
 drivers/staging/comedi/drivers/comedi_bond.c | 1 +
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/comedilib.h b/drivers/staging/comedi/comedilib.h
index deb28cb234a..4f86964835a 100644
--- a/drivers/staging/comedi/comedilib.h
+++ b/drivers/staging/comedi/comedilib.h
@@ -24,8 +24,6 @@
 #ifndef _LINUX_COMEDILIB_H
 #define _LINUX_COMEDILIB_H
 
-#include "comedi.h"
-
 /* these functions may not be called at real-time priority */
 
 void *comedi_open(const char *path);
diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c
index 4e6797a0b1e..429ec703d59 100644
--- a/drivers/staging/comedi/drivers/comedi_bond.c
+++ b/drivers/staging/comedi/drivers/comedi_bond.c
@@ -87,6 +87,7 @@ Configuration Options:
  * options that are used with comedi_config.
  */
 
+#include "../comedi.h"
 #include "../comedilib.h"
 #include "../comedidev.h"
 #include <linux/string.h>

From 027d53bc2f223544a18f1b760378ca0566d13f2e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 13:51:58 -0700
Subject: [PATCH 1090/3638] Staging: comedi: remove unused functions from
 comedilib.h

Remove the functions that are not used from this file.  Now it will
be easier to determine what code can be removed from kcomedilib by
using sparse.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedilib.h | 74 +-----------------------------
 1 file changed, 2 insertions(+), 72 deletions(-)

diff --git a/drivers/staging/comedi/comedilib.h b/drivers/staging/comedi/comedilib.h
index 4f86964835a..00414359138 100644
--- a/drivers/staging/comedi/comedilib.h
+++ b/drivers/staging/comedi/comedilib.h
@@ -24,86 +24,16 @@
 #ifndef _LINUX_COMEDILIB_H
 #define _LINUX_COMEDILIB_H
 
-/* these functions may not be called at real-time priority */
-
 void *comedi_open(const char *path);
 int comedi_close(void *dev);
-
-/* these functions may be called at any priority, but may fail at
-   real-time priority */
-
-int comedi_lock(void *dev, unsigned int subdev);
-int comedi_unlock(void *dev, unsigned int subdev);
-
-/* these functions may be called at any priority, but you must hold
-   the lock for the subdevice */
-
-int comedi_loglevel(int loglevel);
-void comedi_perror(const char *s);
-char *comedi_strerror(int errnum);
-int comedi_errno(void);
-int comedi_fileno(void *dev);
-
-int comedi_cancel(void *dev, unsigned int subdev);
-int comedi_register_callback(void *dev, unsigned int subdev,
-			     unsigned int mask, int (*cb) (unsigned int,
-							   void *), void *arg);
-
-int comedi_command(void *dev, struct comedi_cmd *cmd);
-int comedi_command_test(void *dev, struct comedi_cmd *cmd);
-int comedi_trigger(void *dev, unsigned int subdev, struct comedi_trig *it);
-int __comedi_trigger(void *dev, unsigned int subdev, struct comedi_trig *it);
-int comedi_data_write(void *dev, unsigned int subdev, unsigned int chan,
-		      unsigned int range, unsigned int aref, unsigned int data);
-int comedi_data_read(void *dev, unsigned int subdev, unsigned int chan,
-		     unsigned int range, unsigned int aref, unsigned int *data);
-int comedi_data_read_hint(void *dev, unsigned int subdev,
-			  unsigned int chan, unsigned int range,
-			  unsigned int aref);
-int comedi_data_read_delayed(void *dev, unsigned int subdev, unsigned int chan,
-			     unsigned int range, unsigned int aref,
-			     unsigned int *data, unsigned int nano_sec);
 int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
 		      unsigned int io);
-int comedi_dio_read(void *dev, unsigned int subdev, unsigned int chan,
-		    unsigned int *val);
-int comedi_dio_write(void *dev, unsigned int subdev, unsigned int chan,
-		     unsigned int val);
 int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
 			unsigned int *bits);
-int comedi_get_n_subdevices(void *dev);
-int comedi_get_version_code(void *dev);
-const char *comedi_get_driver_name(void *dev);
-const char *comedi_get_board_name(void *dev);
-int comedi_get_subdevice_type(void *dev, unsigned int subdevice);
 int comedi_find_subdevice_by_type(void *dev, int type, unsigned int subd);
 int comedi_get_n_channels(void *dev, unsigned int subdevice);
-unsigned int comedi_get_maxdata(void *dev, unsigned int subdevice, unsigned
-				int chan);
-int comedi_get_n_ranges(void *dev, unsigned int subdevice, unsigned int chan);
+
+/* internal to kcomedilb */
 int comedi_do_insn(void *dev, struct comedi_insn *insn);
-int comedi_poll(void *dev, unsigned int subdev);
-
-/* DEPRECATED functions */
-int comedi_get_rangetype(void *dev, unsigned int subdevice, unsigned int chan);
-
-/* ALPHA functions */
-unsigned int comedi_get_subdevice_flags(void *dev, unsigned int subdevice);
-int comedi_get_len_chanlist(void *dev, unsigned int subdevice);
-int comedi_get_krange(void *dev, unsigned int subdevice, unsigned int
-		      chan, unsigned int range, struct comedi_krange *krange);
-unsigned int comedi_get_buf_head_pos(void *dev, unsigned int subdevice);
-int comedi_set_user_int_count(void *dev, unsigned int subdevice,
-			      unsigned int buf_user_count);
-int comedi_map(void *dev, unsigned int subdev, void *ptr);
-int comedi_unmap(void *dev, unsigned int subdev);
-int comedi_get_buffer_size(void *dev, unsigned int subdev);
-int comedi_mark_buffer_read(void *dev, unsigned int subdevice,
-			    unsigned int num_bytes);
-int comedi_mark_buffer_written(void *d, unsigned int subdevice,
-			       unsigned int num_bytes);
-int comedi_get_buffer_contents(void *dev, unsigned int subdevice);
-int comedi_get_buffer_offset(void *dev, unsigned int subdevice);
-
 
 #endif

From 29a915ff65fd5cde9c7c16d693b6ae3ecbd4be93 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 13:55:30 -0700
Subject: [PATCH 1091/3638] Staging: comedi: delete kcomedilib/data.c

No one is using any of these functions, so remove the file entirely.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/kcomedilib/Makefile |  1 -
 drivers/staging/comedi/kcomedilib/data.c   | 92 ----------------------
 2 files changed, 93 deletions(-)
 delete mode 100644 drivers/staging/comedi/kcomedilib/data.c

diff --git a/drivers/staging/comedi/kcomedilib/Makefile b/drivers/staging/comedi/kcomedilib/Makefile
index 76de45bd37e..006aa1ce4a1 100644
--- a/drivers/staging/comedi/kcomedilib/Makefile
+++ b/drivers/staging/comedi/kcomedilib/Makefile
@@ -1,7 +1,6 @@
 obj-$(CONFIG_COMEDI)	+= kcomedilib.o
 
 kcomedilib-objs :=				\
-			data.o			\
 			dio.o			\
 			kcomedilib_main.o	\
 			get.o
diff --git a/drivers/staging/comedi/kcomedilib/data.c b/drivers/staging/comedi/kcomedilib/data.c
deleted file mode 100644
index aefc41ab7c4..00000000000
--- a/drivers/staging/comedi/kcomedilib/data.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
-    kcomedilib/data.c
-    implements comedi_data_*() functions
-
-    COMEDI - Linux Control and Measurement Device Interface
-    Copyright (C) 2000 David A. Schleef <ds@schleef.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include "../comedi.h"
-#include "../comedilib.h"
-#include "../comedidev.h"
-
-#include <linux/string.h>
-#include <linux/delay.h>
-
-int comedi_data_write(void *dev, unsigned int subdev, unsigned int chan,
-		      unsigned int range, unsigned int aref, unsigned int data)
-{
-	struct comedi_insn insn;
-
-	memset(&insn, 0, sizeof(insn));
-	insn.insn = INSN_WRITE;
-	insn.n = 1;
-	insn.data = &data;
-	insn.subdev = subdev;
-	insn.chanspec = CR_PACK(chan, range, aref);
-
-	return comedi_do_insn(dev, &insn);
-}
-
-int comedi_data_read(void *dev, unsigned int subdev, unsigned int chan,
-		     unsigned int range, unsigned int aref, unsigned int *data)
-{
-	struct comedi_insn insn;
-
-	memset(&insn, 0, sizeof(insn));
-	insn.insn = INSN_READ;
-	insn.n = 1;
-	insn.data = data;
-	insn.subdev = subdev;
-	insn.chanspec = CR_PACK(chan, range, aref);
-
-	return comedi_do_insn(dev, &insn);
-}
-
-int comedi_data_read_hint(void *dev, unsigned int subdev,
-			  unsigned int chan, unsigned int range,
-			  unsigned int aref)
-{
-	struct comedi_insn insn;
-	unsigned int dummy_data;
-
-	memset(&insn, 0, sizeof(insn));
-	insn.insn = INSN_READ;
-	insn.n = 0;
-	insn.data = &dummy_data;
-	insn.subdev = subdev;
-	insn.chanspec = CR_PACK(chan, range, aref);
-
-	return comedi_do_insn(dev, &insn);
-}
-
-int comedi_data_read_delayed(void *dev, unsigned int subdev,
-			     unsigned int chan, unsigned int range,
-			     unsigned int aref, unsigned int *data,
-			     unsigned int nano_sec)
-{
-	int retval;
-
-	retval = comedi_data_read_hint(dev, subdev, chan, range, aref);
-	if (retval < 0)
-		return retval;
-
-	udelay((nano_sec + 999) / 1000);
-
-	return comedi_data_read(dev, subdev, chan, range, aref, data);
-}

From 8a9e77b66508a1c2598ce1cb765d7ced52f48cf4 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sat, 1 May 2010 13:59:57 -0700
Subject: [PATCH 1092/3638] Staging: comedi: clean up kcomedilib/get.c

Remove all of the unused functions, leaving only those that are
actually called by in-kernel code.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/kcomedilib/get.c | 242 ------------------------
 1 file changed, 242 deletions(-)

diff --git a/drivers/staging/comedi/kcomedilib/get.c b/drivers/staging/comedi/kcomedilib/get.c
index ec072ce7cd4..99ab27ab805 100644
--- a/drivers/staging/comedi/kcomedilib/get.c
+++ b/drivers/staging/comedi/kcomedilib/get.c
@@ -26,48 +26,6 @@
 #include "../comedilib.h"
 #include "../comedidev.h"
 
-int comedi_get_n_subdevices(void *d)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-
-	return dev->n_subdevices;
-}
-
-int comedi_get_version_code(void *d)
-{
-	return COMEDI_VERSION_CODE;
-}
-
-const char *comedi_get_driver_name(void *d)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-
-	return dev->driver->driver_name;
-}
-
-const char *comedi_get_board_name(void *d)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-
-	return dev->board_name;
-}
-
-int comedi_get_subdevice_type(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	return s->type;
-}
-
-unsigned int comedi_get_subdevice_flags(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	return s->subdev_flags;
-}
-
 int comedi_find_subdevice_by_type(void *d, int type, unsigned int subd)
 {
 	struct comedi_device *dev = (struct comedi_device *)d;
@@ -91,203 +49,3 @@ int comedi_get_n_channels(void *d, unsigned int subdevice)
 	return s->n_chan;
 }
 EXPORT_SYMBOL(comedi_get_n_channels);
-
-int comedi_get_len_chanlist(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	return s->len_chanlist;
-}
-
-unsigned int comedi_get_maxdata(void *d, unsigned int subdevice,
-				unsigned int chan)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	if (s->maxdata_list)
-		return s->maxdata_list[chan];
-
-	return s->maxdata;
-}
-
-#ifdef KCOMEDILIB_DEPRECATED
-int comedi_get_rangetype(void *d, unsigned int subdevice, unsigned int chan)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	int ret;
-
-	if (s->range_table_list)
-		ret = s->range_table_list[chan]->length;
-	else
-		ret = s->range_table->length;
-
-	ret = ret | (dev->minor << 28) | (subdevice << 24) | (chan << 16);
-
-	return ret;
-}
-#endif
-
-int comedi_get_n_ranges(void *d, unsigned int subdevice, unsigned int chan)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	int ret;
-
-	if (s->range_table_list)
-		ret = s->range_table_list[chan]->length;
-	else
-		ret = s->range_table->length;
-
-	return ret;
-}
-
-/*
- * ALPHA (non-portable)
-*/
-int comedi_get_krange(void *d, unsigned int subdevice, unsigned int chan,
-		      unsigned int range, struct comedi_krange *krange)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	const struct comedi_lrange *lr;
-
-	if (s->range_table_list)
-		lr = s->range_table_list[chan];
-	else
-		lr = s->range_table;
-
-	if (range >= lr->length)
-		return -EINVAL;
-
-	memcpy(krange, lr->range + range, sizeof(struct comedi_krange));
-
-	return 0;
-}
-
-/*
- * ALPHA (may be renamed)
-*/
-unsigned int comedi_get_buf_head_pos(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-
-	async = s->async;
-	if (async == NULL)
-		return 0;
-
-	return async->buf_write_count;
-}
-
-int comedi_get_buffer_contents(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-	unsigned int num_bytes;
-
-	if (subdevice >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return 0;
-	num_bytes = comedi_buf_read_n_available(s->async);
-	return num_bytes;
-}
-
-/*
- * ALPHA
-*/
-int comedi_set_user_int_count(void *d, unsigned int subdevice,
-			      unsigned int buf_user_count)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-	int num_bytes;
-
-	async = s->async;
-	if (async == NULL)
-		return -1;
-
-	num_bytes = buf_user_count - async->buf_read_count;
-	if (num_bytes < 0)
-		return -1;
-	comedi_buf_read_alloc(async, num_bytes);
-	comedi_buf_read_free(async, num_bytes);
-
-	return 0;
-}
-
-int comedi_mark_buffer_read(void *d, unsigned int subdevice,
-			    unsigned int num_bytes)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-
-	if (subdevice >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return -1;
-
-	comedi_buf_read_alloc(async, num_bytes);
-	comedi_buf_read_free(async, num_bytes);
-
-	return 0;
-}
-
-int comedi_mark_buffer_written(void *d, unsigned int subdevice,
-			       unsigned int num_bytes)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-	int bytes_written;
-
-	if (subdevice >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return -1;
-	bytes_written = comedi_buf_write_alloc(async, num_bytes);
-	comedi_buf_write_free(async, bytes_written);
-	if (bytes_written != num_bytes)
-		return -1;
-	return 0;
-}
-
-int comedi_get_buffer_size(void *d, unsigned int subdev)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdev;
-	struct comedi_async *async;
-
-	if (subdev >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return 0;
-
-	return async->prealloc_bufsz;
-}
-
-int comedi_get_buffer_offset(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-
-	if (subdevice >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return 0;
-
-	return async->buf_read_ptr;
-}

From 8611a29ab967bc197494db19d31994d1b5a26fdc Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Sat, 1 May 2010 14:25:00 -0300
Subject: [PATCH 1093/3638] Staging: vt6656: removed VOID/PVOID definitions

Warnings about the usage of externs in .c files were not resolved here.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/80211mgr.c |  44 ++++++------
 drivers/staging/vt6656/80211mgr.h |  44 ++++++------
 drivers/staging/vt6656/baseband.c |  22 +++---
 drivers/staging/vt6656/baseband.h |  22 +++---
 drivers/staging/vt6656/bssdb.c    |  46 +++++++------
 drivers/staging/vt6656/bssdb.h    |  18 ++---
 drivers/staging/vt6656/card.c     |  42 ++++++------
 drivers/staging/vt6656/card.h     |  34 +++++-----
 drivers/staging/vt6656/channel.c  |   2 +-
 drivers/staging/vt6656/channel.h  |   2 +-
 drivers/staging/vt6656/datarate.c |  31 ++++-----
 drivers/staging/vt6656/datarate.h |   8 +--
 drivers/staging/vt6656/device.h   |   8 +--
 drivers/staging/vt6656/dpc.c      |  20 ++----
 drivers/staging/vt6656/dpc.h      |  12 +---
 drivers/staging/vt6656/int.c      |   3 +-
 drivers/staging/vt6656/int.h      |   5 +-
 drivers/staging/vt6656/ioctl.h    |   2 +-
 drivers/staging/vt6656/key.c      |  40 +++++------
 drivers/staging/vt6656/key.h      |  28 ++++----
 drivers/staging/vt6656/mac.c      |   2 +-
 drivers/staging/vt6656/mac.h      |   2 +-
 drivers/staging/vt6656/main_usb.c |  20 +++---
 drivers/staging/vt6656/michael.c  |  24 +++----
 drivers/staging/vt6656/michael.h  |   8 +--
 drivers/staging/vt6656/power.c    |   6 +-
 drivers/staging/vt6656/power.h    |   6 +-
 drivers/staging/vt6656/rc4.c      |   4 +-
 drivers/staging/vt6656/rc4.h      |   2 +-
 drivers/staging/vt6656/rf.c       |   4 +-
 drivers/staging/vt6656/rf.h       |   4 +-
 drivers/staging/vt6656/rxtx.c     |  99 ++++++++++++++-------------
 drivers/staging/vt6656/rxtx.h     |   2 +-
 drivers/staging/vt6656/tkip.c     |   2 +-
 drivers/staging/vt6656/tkip.h     |   2 +-
 drivers/staging/vt6656/ttype.h    |   8 +--
 drivers/staging/vt6656/usbpipe.c  |  36 +++++-----
 drivers/staging/vt6656/wcmd.c     |  12 ++--
 drivers/staging/vt6656/wcmd.h     |  10 +--
 drivers/staging/vt6656/wmgr.c     | 108 +++++++++++++++---------------
 drivers/staging/vt6656/wmgr.h     |  21 +++---
 drivers/staging/vt6656/wpa.c      |   4 +-
 drivers/staging/vt6656/wpa.h      |   4 +-
 drivers/staging/vt6656/wpa2.c     |   7 +-
 drivers/staging/vt6656/wpa2.h     |   6 +-
 45 files changed, 409 insertions(+), 427 deletions(-)

diff --git a/drivers/staging/vt6656/80211mgr.c b/drivers/staging/vt6656/80211mgr.c
index b9dc7b1d938..f24dc55e68f 100644
--- a/drivers/staging/vt6656/80211mgr.c
+++ b/drivers/staging/vt6656/80211mgr.c
@@ -89,7 +89,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
  *
 -*/
 
-VOID
+void
 vMgrEncodeBeacon(
       PWLAN_FR_BEACON  pFrame
      )
@@ -121,7 +121,7 @@ vMgrEncodeBeacon(
 -*/
 
 
-VOID
+void
 vMgrDecodeBeacon(
       PWLAN_FR_BEACON  pFrame
     )
@@ -242,7 +242,7 @@ vMgrDecodeBeacon(
 -*/
 
 
-VOID
+void
 vMgrEncodeIBSSATIM(
       PWLAN_FR_IBSSATIM   pFrame
     )
@@ -265,7 +265,7 @@ vMgrEncodeIBSSATIM(
  *
 -*/
 
-VOID
+void
 vMgrDecodeIBSSATIM(
       PWLAN_FR_IBSSATIM   pFrame
     )
@@ -287,7 +287,7 @@ vMgrDecodeIBSSATIM(
  *
 -*/
 
-VOID
+void
 vMgrEncodeDisassociation(
       PWLAN_FR_DISASSOC  pFrame
     )
@@ -315,7 +315,7 @@ vMgrEncodeDisassociation(
  *
 -*/
 
-VOID
+void
 vMgrDecodeDisassociation(
       PWLAN_FR_DISASSOC  pFrame
     )
@@ -341,7 +341,7 @@ vMgrDecodeDisassociation(
 -*/
 
 
-VOID
+void
 vMgrEncodeAssocRequest(
       PWLAN_FR_ASSOCREQ  pFrame
     )
@@ -368,7 +368,7 @@ vMgrEncodeAssocRequest(
  *
 -*/
 
-VOID
+void
 vMgrDecodeAssocRequest(
       PWLAN_FR_ASSOCREQ  pFrame
     )
@@ -434,7 +434,7 @@ vMgrDecodeAssocRequest(
  *
 -*/
 
-VOID
+void
 vMgrEncodeAssocResponse(
       PWLAN_FR_ASSOCRESP  pFrame
      )
@@ -466,7 +466,7 @@ vMgrEncodeAssocResponse(
  *
 -*/
 
-VOID
+void
 vMgrDecodeAssocResponse(
      PWLAN_FR_ASSOCRESP  pFrame
      )
@@ -512,7 +512,7 @@ vMgrDecodeAssocResponse(
  *
 -*/
 
-VOID
+void
 vMgrEncodeReassocRequest(
       PWLAN_FR_REASSOCREQ  pFrame
      )
@@ -544,7 +544,7 @@ vMgrEncodeReassocRequest(
 -*/
 
 
-VOID
+void
 vMgrDecodeReassocRequest(
       PWLAN_FR_REASSOCREQ  pFrame
      )
@@ -616,7 +616,7 @@ vMgrDecodeReassocRequest(
 -*/
 
 
-VOID
+void
 vMgrEncodeProbeRequest(
      PWLAN_FR_PROBEREQ  pFrame
      )
@@ -637,7 +637,7 @@ vMgrEncodeProbeRequest(
  *
 -*/
 
-VOID
+void
 vMgrDecodeProbeRequest(
      PWLAN_FR_PROBEREQ  pFrame
      )
@@ -690,7 +690,7 @@ vMgrDecodeProbeRequest(
 -*/
 
 
-VOID
+void
 vMgrEncodeProbeResponse(
      PWLAN_FR_PROBERESP  pFrame
     )
@@ -724,7 +724,7 @@ vMgrEncodeProbeResponse(
  *
 -*/
 
-VOID
+void
 vMgrDecodeProbeResponse(
      PWLAN_FR_PROBERESP  pFrame
     )
@@ -838,7 +838,7 @@ vMgrDecodeProbeResponse(
  *
 -*/
 
-VOID
+void
 vMgrEncodeAuthen(
       PWLAN_FR_AUTHEN  pFrame
     )
@@ -869,7 +869,7 @@ vMgrEncodeAuthen(
  *
 -*/
 
-VOID
+void
 vMgrDecodeAuthen(
       PWLAN_FR_AUTHEN  pFrame
     )
@@ -909,7 +909,7 @@ vMgrDecodeAuthen(
  *
 -*/
 
-VOID
+void
 vMgrEncodeDeauthen(
       PWLAN_FR_DEAUTHEN  pFrame
     )
@@ -936,7 +936,7 @@ vMgrEncodeDeauthen(
  *
 -*/
 
-VOID
+void
 vMgrDecodeDeauthen(
       PWLAN_FR_DEAUTHEN  pFrame
     )
@@ -962,7 +962,7 @@ vMgrDecodeDeauthen(
  *
 -*/
 
-VOID
+void
 vMgrEncodeReassocResponse(
       PWLAN_FR_REASSOCRESP  pFrame
      )
@@ -995,7 +995,7 @@ vMgrEncodeReassocResponse(
 -*/
 
 
-VOID
+void
 vMgrDecodeReassocResponse(
       PWLAN_FR_REASSOCRESP  pFrame
      )
diff --git a/drivers/staging/vt6656/80211mgr.h b/drivers/staging/vt6656/80211mgr.h
index f7160cdd164..50982e9f8cd 100644
--- a/drivers/staging/vt6656/80211mgr.h
+++ b/drivers/staging/vt6656/80211mgr.h
@@ -748,112 +748,112 @@ typedef struct tagWLAN_FR_DEAUTHEN {
 } WLAN_FR_DEAUTHEN, *PWLAN_FR_DEAUTHEN;
 
 /*---------------------  Export Functions  --------------------------*/
-VOID
+void
 vMgrEncodeBeacon(
       PWLAN_FR_BEACON  pFrame
      );
 
-VOID
+void
 vMgrDecodeBeacon(
       PWLAN_FR_BEACON  pFrame
     );
 
-VOID
+void
 vMgrEncodeIBSSATIM(
       PWLAN_FR_IBSSATIM   pFrame
     );
 
-VOID
+void
 vMgrDecodeIBSSATIM(
       PWLAN_FR_IBSSATIM   pFrame
     );
 
-VOID
+void
 vMgrEncodeDisassociation(
       PWLAN_FR_DISASSOC  pFrame
     );
 
-VOID
+void
 vMgrDecodeDisassociation(
       PWLAN_FR_DISASSOC  pFrame
     );
 
-VOID
+void
 vMgrEncodeAssocRequest(
       PWLAN_FR_ASSOCREQ  pFrame
     );
 
-VOID
+void
 vMgrDecodeAssocRequest(
       PWLAN_FR_ASSOCREQ  pFrame
     );
 
-VOID
+void
 vMgrEncodeAssocResponse(
       PWLAN_FR_ASSOCRESP  pFrame
     );
 
-VOID
+void
 vMgrDecodeAssocResponse(
      PWLAN_FR_ASSOCRESP  pFrame
     );
 
-VOID
+void
 vMgrEncodeReassocRequest(
       PWLAN_FR_REASSOCREQ  pFrame
     );
 
-VOID
+void
 vMgrDecodeReassocRequest(
       PWLAN_FR_REASSOCREQ  pFrame
     );
 
-VOID
+void
 vMgrEncodeProbeRequest(
      PWLAN_FR_PROBEREQ  pFrame
     );
 
-VOID
+void
 vMgrDecodeProbeRequest(
      PWLAN_FR_PROBEREQ  pFrame
     );
 
-VOID
+void
 vMgrEncodeProbeResponse(
      PWLAN_FR_PROBERESP  pFrame
     );
 
-VOID
+void
 vMgrDecodeProbeResponse(
      PWLAN_FR_PROBERESP  pFrame
     );
 
-VOID
+void
 vMgrEncodeAuthen(
       PWLAN_FR_AUTHEN  pFrame
     );
 
-VOID
+void
 vMgrDecodeAuthen(
       PWLAN_FR_AUTHEN  pFrame
     );
 
-VOID
+void
 vMgrEncodeDeauthen(
       PWLAN_FR_DEAUTHEN  pFrame
     );
 
-VOID
+void
 vMgrDecodeDeauthen(
       PWLAN_FR_DEAUTHEN  pFrame
     );
 
-VOID
+void
 vMgrEncodeReassocResponse(
       PWLAN_FR_REASSOCRESP  pFrame
     );
 
-VOID
+void
 vMgrDecodeReassocResponse(
       PWLAN_FR_REASSOCRESP  pFrame
     );
diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c
index 9063249efd5..a52a2d84805 100644
--- a/drivers/staging/vt6656/baseband.c
+++ b/drivers/staging/vt6656/baseband.c
@@ -756,7 +756,7 @@ BBuGetFrameTime (
  * Return Value: none
  *
  */
-VOID
+void
 BBvCaculateParameter (
       PSDevice pDevice,
       UINT cbFrameLength,
@@ -929,7 +929,7 @@ BBvCaculateParameter (
  * Return Value: none
  *
  */
-VOID
+void
 BBvSetAntennaMode (PSDevice pDevice, BYTE byAntennaMode)
 {
     //{{ RobertYu: 20041124, ABG Mode, VC1/VC2 define, make the ANT_A, ANT_B inverted
@@ -1274,7 +1274,7 @@ void BBvLoopbackOff (PSDevice pDevice)
  * Return Value: none
  *
  */
-VOID
+void
 BBvSetShortSlotTime (PSDevice pDevice)
 {
     BYTE byBBVGA=0;
@@ -1295,7 +1295,7 @@ BBvSetShortSlotTime (PSDevice pDevice)
 }
 
 
-VOID BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData)
+void BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData)
 {
 
     ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xE7, byData);
@@ -1324,7 +1324,7 @@ VOID BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData)
  * Return Value: none
  *
  */
-VOID
+void
 BBvSoftwareReset (PSDevice pDevice)
 {
     ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0x50, 0x40);
@@ -1345,14 +1345,14 @@ BBvSoftwareReset (PSDevice pDevice)
  * Return Value: none
  *
  */
-VOID
+void
 BBvSetDeepSleep (PSDevice pDevice)
 {
     ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0x0c, 0x17);//CR12
     ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0x0D, 0xB9);//CR13
 }
 
-VOID
+void
 BBvExitDeepSleep (PSDevice pDevice)
 {
     ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0x0C, 0x00);//CR12
@@ -1445,7 +1445,7 @@ s_vClearSQ3Value (PSDevice pDevice)
  *
  */
 
-VOID
+void
 BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
 {
 
@@ -1576,7 +1576,7 @@ BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
  *
 -*/
 
-VOID
+void
 TimerSQ3CallBack (
       HANDLE      hDeviceContext
     )
@@ -1618,7 +1618,7 @@ TimerSQ3CallBack (
  *
 -*/
 
-VOID
+void
 TimerSQ3Tmax3CallBack (
       HANDLE      hDeviceContext
     )
@@ -1650,7 +1650,7 @@ TimerSQ3Tmax3CallBack (
     return;
 }
 
-VOID
+void
 BBvUpdatePreEDThreshold(
       PSDevice    pDevice,
       BOOL        bScanning)
diff --git a/drivers/staging/vt6656/baseband.h b/drivers/staging/vt6656/baseband.h
index 10eea90279f..fbc2847122b 100644
--- a/drivers/staging/vt6656/baseband.h
+++ b/drivers/staging/vt6656/baseband.h
@@ -104,7 +104,7 @@ BBuGetFrameTime(
      WORD wRate
     );
 
-VOID
+void
 BBvCaculateParameter (
       PSDevice pDevice,
       UINT cbFrameLength,
@@ -117,28 +117,28 @@ BBvCaculateParameter (
 
 // timer for antenna diversity
 
-VOID
+void
 TimerSQ3CallBack (
       HANDLE      hDeviceContext
     );
 
-VOID
+void
 TimerSQ3Tmax3CallBack (
       HANDLE      hDeviceContext
     );
 
-VOID BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3);
-void BBvLoopbackOn (PSDevice pDevice);
-void BBvLoopbackOff (PSDevice pDevice);
-void BBvSoftwareReset (PSDevice pDevice);
+void BBvAntennaDiversity(PSDevice pDevice, BYTE byRxRate, BYTE bySQ3);
+void BBvLoopbackOn(PSDevice pDevice);
+void BBvLoopbackOff(PSDevice pDevice);
+void BBvSoftwareReset(PSDevice pDevice);
 
 void BBvSetShortSlotTime(PSDevice pDevice);
-VOID BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData);
+void BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData);
 void BBvSetAntennaMode(PSDevice pDevice, BYTE byAntennaMode);
 BOOL BBbVT3184Init (PSDevice pDevice);
-VOID BBvSetDeepSleep (PSDevice pDevice);
-VOID BBvExitDeepSleep (PSDevice pDevice);
-VOID BBvUpdatePreEDThreshold(
+void BBvSetDeepSleep(PSDevice pDevice);
+void BBvExitDeepSleep(PSDevice pDevice);
+void BBvUpdatePreEDThreshold(
        PSDevice    pDevice,
        BOOL        bScanning
      );
diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c
index fa1ca790205..61841b48537 100644
--- a/drivers/staging/vt6656/bssdb.c
+++ b/drivers/staging/vt6656/bssdb.c
@@ -91,16 +91,16 @@ const WORD             awHWRetry1[5][5] = {
 
 /*---------------------  Static Functions  --------------------------*/
 
-VOID s_vCheckSensitivity(
+void s_vCheckSensitivity(
      HANDLE hDeviceContext
     );
 
-VOID s_vCheckPreEDThreshold(
+void s_vCheckPreEDThreshold(
      HANDLE hDeviceContext
     );
 
 #ifdef Calcu_LinkQual
-VOID s_uCalculateLinkQual(
+void s_uCalculateLinkQual(
      HANDLE hDeviceContext
     );
 #endif
@@ -296,7 +296,7 @@ pDevice->bSameBSSMaxNum = jj;
 -*/
 
 
-VOID
+void
 BSSvClearBSSList(
      HANDLE hDeviceContext,
      BOOL bKeepCurrBSSID
@@ -804,7 +804,7 @@ BSSbIsSTAInNodeDB(
  *    None
  *
 -*/
-VOID
+void
 BSSvCreateOneNode(
      HANDLE hDeviceContext,
     OUT PUINT puNodeIndex
@@ -869,7 +869,7 @@ BSSvCreateOneNode(
  *    None
  *
 -*/
-VOID
+void
 BSSvRemoveOneNode(
      HANDLE hDeviceContext,
      UINT uNodeIndex
@@ -902,7 +902,7 @@ BSSvRemoveOneNode(
  *
 -*/
 
-VOID
+void
 BSSvUpdateAPNode(
      HANDLE hDeviceContext,
      PWORD pwCapInfo,
@@ -926,7 +926,7 @@ BSSvUpdateAPNode(
     pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
                                             (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                                             uRateLen);
-    RATEvParseMaxRate((PVOID) pDevice,
+    RATEvParseMaxRate((void *) pDevice,
                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                        TRUE,
@@ -962,7 +962,7 @@ BSSvUpdateAPNode(
 -*/
 
 
-VOID
+void
 BSSvAddMulticastNode(
      HANDLE hDeviceContext
     )
@@ -976,7 +976,7 @@ BSSvAddMulticastNode(
     pMgmt->sNodeDBTable[0].bActive = TRUE;
     pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
     skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
-    RATEvParseMaxRate((PVOID) pDevice,
+    RATEvParseMaxRate((void *) pDevice,
                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                       TRUE,
@@ -1009,7 +1009,7 @@ BSSvAddMulticastNode(
 -*/
 
 
-VOID
+void
 BSSvSecondCallBack(
       HANDLE hDeviceContext
     )
@@ -1131,12 +1131,14 @@ if((pMgmt->eCurrState!=WMAC_STATE_ASSOC) &&
 */
                 if (ii > 0) {
                     // ii = 0 for multicast node (AP & Adhoc)
-                    RATEvTxRateFallBack((PVOID)pDevice, &(pMgmt->sNodeDBTable[ii]));
+			RATEvTxRateFallBack((void *)pDevice,
+					    &(pMgmt->sNodeDBTable[ii]));
                 }
                 else {
                     // ii = 0 reserved for unicast AP node (Infra STA)
-                    if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
-                        RATEvTxRateFallBack((PVOID)pDevice, &(pMgmt->sNodeDBTable[ii]));
+			if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
+				RATEvTxRateFallBack((void *)pDevice,
+						    &(pMgmt->sNodeDBTable[ii]));
                 }
 
             }
@@ -1177,14 +1179,14 @@ if((pMgmt->eCurrState!=WMAC_STATE_ASSOC) &&
             if (pDevice->bShortSlotTime) {
                 pDevice->bShortSlotTime = FALSE;
                 BBvSetShortSlotTime(pDevice);
-                vUpdateIFS((PVOID)pDevice);
+		vUpdateIFS((void *)pDevice);
             }
         }
         else {
             if (!pDevice->bShortSlotTime) {
                 pDevice->bShortSlotTime = TRUE;
                 BBvSetShortSlotTime(pDevice);
-                vUpdateIFS((PVOID)pDevice);
+		vUpdateIFS((void *)pDevice);
             }
         }
 
@@ -1395,7 +1397,7 @@ else {
 
 
 
-VOID
+void
 BSSvUpdateNodeTxCounter(
      HANDLE      hDeviceContext,
      PSStatCounter    pStatistic,
@@ -1564,7 +1566,7 @@ BSSvUpdateNodeTxCounter(
 -*/
 
 
-VOID
+void
 BSSvClearNodeDBTable(
      HANDLE hDeviceContext,
      UINT uStartIndex
@@ -1593,7 +1595,7 @@ BSSvClearNodeDBTable(
 };
 
 
-VOID s_vCheckSensitivity(
+void s_vCheckSensitivity(
      HANDLE hDeviceContext
     )
 {
@@ -1637,7 +1639,7 @@ VOID s_vCheckSensitivity(
 }
 
 #ifdef Calcu_LinkQual
-VOID s_uCalculateLinkQual(
+void s_uCalculateLinkQual(
      HANDLE hDeviceContext
     )
 {
@@ -1685,7 +1687,7 @@ else
 }
 #endif
 
-VOID
+void
 BSSvClearAnyBSSJoinRecord (
      HANDLE hDeviceContext
     )
@@ -1700,7 +1702,7 @@ BSSvClearAnyBSSJoinRecord (
     return;
 }
 
-VOID s_vCheckPreEDThreshold(
+void s_vCheckPreEDThreshold(
      HANDLE hDeviceContext
     )
 {
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index eec6cea8607..343bfacdbe9 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -246,7 +246,7 @@ BSSpAddrIsInBSSList(
      PWLAN_IE_SSID pSSID
     );
 
-VOID
+void
 BSSvClearBSSList(
      HANDLE hDeviceContext,
      BOOL bKeepCurrBSSID
@@ -304,13 +304,13 @@ BSSbIsSTAInNodeDB(
     OUT PUINT puNodeIndex
     );
 
-VOID
+void
 BSSvCreateOneNode(
      HANDLE hDeviceContext,
     OUT PUINT puNodeIndex
     );
 
-VOID
+void
 BSSvUpdateAPNode(
      HANDLE hDeviceContext,
      PWORD pwCapInfo,
@@ -319,13 +319,13 @@ BSSvUpdateAPNode(
     );
 
 
-VOID
+void
 BSSvSecondCallBack(
      HANDLE hDeviceContext
     );
 
 
-VOID
+void
 BSSvUpdateNodeTxCounter(
      HANDLE      hDeviceContext,
      PSStatCounter    pStatistic,
@@ -333,25 +333,25 @@ BSSvUpdateNodeTxCounter(
      BYTE             byPktNO
     );
 
-VOID
+void
 BSSvRemoveOneNode(
      HANDLE hDeviceContext,
      UINT uNodeIndex
     );
 
-VOID
+void
 BSSvAddMulticastNode(
      HANDLE hDeviceContext
     );
 
 
-VOID
+void
 BSSvClearNodeDBTable(
      HANDLE hDeviceContext,
      UINT uStartIndex
     );
 
-VOID
+void
 BSSvClearAnyBSSJoinRecord(
      HANDLE hDeviceContext
     );
diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c
index 4ad1e94ffba..c7562a0ad83 100644
--- a/drivers/staging/vt6656/card.c
+++ b/drivers/staging/vt6656/card.c
@@ -95,7 +95,7 @@ const WORD cwRXBCNTSFOff[MAX_RATE] =
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL CARDbSetMediaChannel (PVOID pDeviceHandler, UINT uConnectionChannel)
+BOOL CARDbSetMediaChannel(void *pDeviceHandler, UINT uConnectionChannel)
 {
 PSDevice            pDevice = (PSDevice) pDeviceHandler;
 BOOL                bResult = TRUE;
@@ -156,8 +156,7 @@ BOOL                bResult = TRUE;
  * Return Value: response Control frame rate
  *
  */
-static
-WORD swGetCCKControlRate(PVOID pDeviceHandler, WORD wRateIdx)
+static WORD swGetCCKControlRate(void *pDeviceHandler, WORD wRateIdx)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     UINT ui = (UINT)wRateIdx;
@@ -183,8 +182,7 @@ WORD swGetCCKControlRate(PVOID pDeviceHandler, WORD wRateIdx)
  * Return Value: response Control frame rate
  *
  */
-static
-WORD swGetOFDMControlRate (PVOID pDeviceHandler, WORD wRateIdx)
+static WORD swGetOFDMControlRate(void *pDeviceHandler, WORD wRateIdx)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     UINT ui = (UINT)wRateIdx;
@@ -222,7 +220,7 @@ WORD swGetOFDMControlRate (PVOID pDeviceHandler, WORD wRateIdx)
  * Return Value: none
  *
  */
-VOID
+void
 CARDvCaculateOFDMRParameter (
       WORD wRate,
       BYTE byBBType,
@@ -334,7 +332,7 @@ CARDvCaculateOFDMRParameter (
  * Return Value: None.
  *
  */
-void CARDvSetRSPINF (PVOID pDeviceHandler, BYTE byBBType)
+void CARDvSetRSPINF(void *pDeviceHandler, BYTE byBBType)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BYTE    abyServ[4] = {0,0,0,0};             // For CCK
@@ -486,7 +484,7 @@ void CARDvSetRSPINF (PVOID pDeviceHandler, BYTE byBBType)
  * Return Value: None.
  *
  */
-void vUpdateIFS (PVOID pDeviceHandler)
+void vUpdateIFS(void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     //Set SIFS, DIFS, EIFS, SlotTime, CwMin
@@ -571,7 +569,7 @@ void vUpdateIFS (PVOID pDeviceHandler)
                         &byMaxMin);
 }
 
-void CARDvUpdateBasicTopRate (PVOID pDeviceHandler)
+void CARDvUpdateBasicTopRate(void *pDeviceHandler)
 {
 PSDevice    pDevice = (PSDevice) pDeviceHandler;
 BYTE byTopOFDM = RATE_24M, byTopCCK = RATE_1M;
@@ -610,7 +608,7 @@ BYTE ii;
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL CARDbAddBasicRate (PVOID pDeviceHandler, WORD wRateIdx)
+BOOL CARDbAddBasicRate(void *pDeviceHandler, WORD wRateIdx)
 {
 PSDevice    pDevice = (PSDevice) pDeviceHandler;
 WORD wRate = (WORD)(1<<wRateIdx);
@@ -623,7 +621,7 @@ WORD wRate = (WORD)(1<<wRateIdx);
     return(TRUE);
 }
 
-BOOL CARDbIsOFDMinBasicRate (PVOID pDeviceHandler)
+BOOL CARDbIsOFDMinBasicRate(void *pDeviceHandler)
 {
 PSDevice    pDevice = (PSDevice) pDeviceHandler;
 int ii;
@@ -635,7 +633,7 @@ int ii;
     return FALSE;
 }
 
-BYTE CARDbyGetPktType (PVOID pDeviceHandler)
+BYTE CARDbyGetPktType(void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
 
@@ -707,7 +705,8 @@ QWORD CARDqGetTSFOffset (BYTE byRxRate, QWORD qwTSF1, QWORD qwTSF2)
  * Return Value: none
  *
  */
-void CARDvAdjustTSF (PVOID pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF)
+void CARDvAdjustTSF(void *pDeviceHandler, BYTE byRxRate,
+		    QWORD qwBSSTimestamp, QWORD qwLocalTSF)
 {
 
     PSDevice        pDevice = (PSDevice) pDeviceHandler;
@@ -756,7 +755,7 @@ void CARDvAdjustTSF (PVOID pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp,
  * Return Value: TRUE if success; otherwise FALSE
  *
  */
-BOOL CARDbGetCurrentTSF (PVOID pDeviceHandler, PQWORD pqwCurrTSF)
+BOOL CARDbGetCurrentTSF(void *pDeviceHandler, PQWORD pqwCurrTSF)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
 
@@ -778,7 +777,7 @@ BOOL CARDbGetCurrentTSF (PVOID pDeviceHandler, PQWORD pqwCurrTSF)
  * Return Value: TRUE if success; otherwise FALSE
  *
  */
-BOOL CARDbClearCurrentTSF(PVOID pDeviceHandler)
+BOOL CARDbClearCurrentTSF(void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
 
@@ -844,7 +843,7 @@ QWORD CARDqGetNextTBTT (QWORD qwTSF, WORD wBeaconInterval)
  * Return Value: none
  *
  */
-void CARDvSetFirstNextTBTT (PVOID pDeviceHandler, WORD wBeaconInterval)
+void CARDvSetFirstNextTBTT(void *pDeviceHandler, WORD wBeaconInterval)
 {
 
     PSDevice        pDevice = (PSDevice) pDeviceHandler;
@@ -898,7 +897,8 @@ void CARDvSetFirstNextTBTT (PVOID pDeviceHandler, WORD wBeaconInterval)
  * Return Value: none
  *
  */
-void CARDvUpdateNextTBTT (PVOID pDeviceHandler, QWORD qwTSF, WORD wBeaconInterval)
+void CARDvUpdateNextTBTT(void *pDeviceHandler, QWORD qwTSF,
+			 WORD wBeaconInterval)
 {
     PSDevice        pDevice = (PSDevice) pDeviceHandler;
     DWORD           dwLoTBTT,dwHiTBTT;
@@ -945,7 +945,7 @@ void CARDvUpdateNextTBTT (PVOID pDeviceHandler, QWORD qwTSF, WORD wBeaconInterva
  * Return Value: TRUE if success; otherwise FALSE
  *
  */
-BOOL CARDbRadioPowerOff (PVOID pDeviceHandler)
+BOOL CARDbRadioPowerOff(void *pDeviceHandler)
 {
 PSDevice    pDevice = (PSDevice) pDeviceHandler;
 BOOL bResult = TRUE;
@@ -986,7 +986,7 @@ BOOL bResult = TRUE;
  * Return Value: TRUE if success; otherwise FALSE
  *
  */
-BOOL CARDbRadioPowerOn (PVOID pDeviceHandler)
+BOOL CARDbRadioPowerOn(void *pDeviceHandler)
 {
 PSDevice    pDevice = (PSDevice) pDeviceHandler;
 BOOL bResult = TRUE;
@@ -1019,7 +1019,7 @@ BOOL bResult = TRUE;
     return bResult;
 }
 
-void CARDvSetBSSMode (PVOID pDeviceHandler)
+void CARDvSetBSSMode(void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     // Set BB and packet type at the same time.//{{RobertYu:20050222, AL7230 have two TX PA output, only connet to b/g now
@@ -1080,7 +1080,7 @@ void CARDvSetBSSMode (PVOID pDeviceHandler)
 -*/
 BOOL
 CARDbChannelSwitch (
-     PVOID            pDeviceHandler,
+     void *pDeviceHandler,
      BYTE             byMode,
      BYTE             byNewChannel,
      BYTE             byCount
diff --git a/drivers/staging/vt6656/card.h b/drivers/staging/vt6656/card.h
index 16beb71a19b..2f7335e8aee 100644
--- a/drivers/staging/vt6656/card.h
+++ b/drivers/staging/vt6656/card.h
@@ -63,27 +63,29 @@ typedef enum _CARD_OP_MODE {
 
 /*---------------------  Export Functions  --------------------------*/
 
-BOOL CARDbSetMediaChannel(PVOID pDeviceHandler, UINT uConnectionChannel);
-void CARDvSetRSPINF(PVOID pDeviceHandler, BYTE byBBType);
-void vUpdateIFS(PVOID pDeviceHandler);
-void CARDvUpdateBasicTopRate(PVOID pDeviceHandler);
-BOOL CARDbAddBasicRate(PVOID pDeviceHandler, WORD wRateIdx);
-BOOL CARDbIsOFDMinBasicRate(PVOID pDeviceHandler);
-void CARDvAdjustTSF(PVOID pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF);
-BOOL CARDbGetCurrentTSF (PVOID pDeviceHandler, PQWORD pqwCurrTSF);
-BOOL CARDbClearCurrentTSF(PVOID pDeviceHandler);
-void CARDvSetFirstNextTBTT(PVOID pDeviceHandler, WORD wBeaconInterval);
-void CARDvUpdateNextTBTT(PVOID pDeviceHandler, QWORD qwTSF, WORD wBeaconInterval);
+BOOL CARDbSetMediaChannel(void *pDeviceHandler, UINT uConnectionChannel);
+void CARDvSetRSPINF(void *pDeviceHandler, BYTE byBBType);
+void vUpdateIFS(void *pDeviceHandler);
+void CARDvUpdateBasicTopRate(void *pDeviceHandler);
+BOOL CARDbAddBasicRate(void *pDeviceHandler, WORD wRateIdx);
+BOOL CARDbIsOFDMinBasicRate(void *pDeviceHandler);
+void CARDvAdjustTSF(void *pDeviceHandler, BYTE byRxRate,
+		    QWORD qwBSSTimestamp, QWORD qwLocalTSF);
+BOOL CARDbGetCurrentTSF(void *pDeviceHandler, PQWORD pqwCurrTSF);
+BOOL CARDbClearCurrentTSF(void *pDeviceHandler);
+void CARDvSetFirstNextTBTT(void *pDeviceHandler, WORD wBeaconInterval);
+void CARDvUpdateNextTBTT(void *pDeviceHandler, QWORD qwTSF,
+			 WORD wBeaconInterval);
 QWORD CARDqGetNextTBTT(QWORD qwTSF, WORD wBeaconInterval);
 QWORD CARDqGetTSFOffset(BYTE byRxRate, QWORD qwTSF1, QWORD qwTSF2);
-BOOL CARDbRadioPowerOff(PVOID pDeviceHandler);
-BOOL CARDbRadioPowerOn(PVOID pDeviceHandler);
-BYTE CARDbyGetPktType(PVOID pDeviceHandler);
-void CARDvSetBSSMode(PVOID pDeviceHandler);
+BOOL CARDbRadioPowerOff(void *pDeviceHandler);
+BOOL CARDbRadioPowerOn(void *pDeviceHandler);
+BYTE CARDbyGetPktType(void *pDeviceHandler);
+void CARDvSetBSSMode(void *pDeviceHandler);
 
 BOOL
 CARDbChannelSwitch (
-     PVOID            pDeviceHandler,
+     void *pDeviceHandler,
      BYTE             byMode,
      BYTE             byNewChannel,
      BYTE             byCount
diff --git a/drivers/staging/vt6656/channel.c b/drivers/staging/vt6656/channel.c
index 32500af78bc..67392b8abcf 100644
--- a/drivers/staging/vt6656/channel.c
+++ b/drivers/staging/vt6656/channel.c
@@ -437,7 +437,7 @@ CHvChannelGetList (
 }
 
 
-VOID CHvInitChannelTable (PVOID pDeviceHandler)
+void CHvInitChannelTable(void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BOOL        bMultiBand = FALSE;
diff --git a/drivers/staging/vt6656/channel.h b/drivers/staging/vt6656/channel.h
index c965d6aff15..81b915dc5c4 100644
--- a/drivers/staging/vt6656/channel.h
+++ b/drivers/staging/vt6656/channel.h
@@ -45,7 +45,7 @@ typedef struct tagSChannelTblElement {
 
 /*---------------------  Export Functions  --------------------------*/
 BOOL    ChannelValid(UINT CountryCode, UINT ChannelNum);
-VOID    CHvInitChannelTable (PVOID pDeviceHandler);
+void    CHvInitChannelTable(void *pDeviceHandler);
 BYTE    CHbyGetChannelMapping(BYTE byChannelNumber);
 
 BOOL
diff --git a/drivers/staging/vt6656/datarate.c b/drivers/staging/vt6656/datarate.c
index e487af57213..348e1ebfe4c 100644
--- a/drivers/staging/vt6656/datarate.c
+++ b/drivers/staging/vt6656/datarate.c
@@ -65,16 +65,9 @@ const BYTE acbyIERate[MAX_RATE] =
 
 /*---------------------  Static Functions  --------------------------*/
 
-VOID s_vResetCounter (
-     PKnownNodeDB psNodeDBTable
-    );
+void s_vResetCounter(PKnownNodeDB psNodeDBTable);
 
-
-
-VOID
-s_vResetCounter (
-     PKnownNodeDB psNodeDBTable
-    )
+void s_vResetCounter(PKnownNodeDB psNodeDBTable)
 {
     BYTE            ii;
 
@@ -195,9 +188,8 @@ RATEwGetRateIdx(
  * Return Value: none
  *
 -*/
-VOID
-RATEvParseMaxRate (
-     PVOID pDeviceHandler,
+void RATEvParseMaxRate(
+     void *pDeviceHandler,
      PWLAN_IE_SUPP_RATES pItemRates,
      PWLAN_IE_SUPP_RATES pItemExtRates,
      BOOL bUpdateBasicRate,
@@ -236,7 +228,7 @@ UINT  uRateLen;
         if (WLAN_MGMT_IS_BASICRATE(byRate) &&
             (bUpdateBasicRate == TRUE))  {
             // Add to basic rate set, update pDevice->byTopCCKBasicRate and pDevice->byTopOFDMBasicRate
-            CARDbAddBasicRate((PVOID)pDevice, RATEwGetRateIdx(byRate));
+		CARDbAddBasicRate((void *)pDevice, RATEwGetRateIdx(byRate));
             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate: %d\n", RATEwGetRateIdx(byRate));
         }
         byRate = (BYTE)(pItemRates->abyRates[ii]&0x7F);
@@ -259,7 +251,7 @@ UINT  uRateLen;
             // select highest basic rate
             if (WLAN_MGMT_IS_BASICRATE(pItemExtRates->abyRates[ii])) {
             	// Add to basic rate set, update pDevice->byTopCCKBasicRate and pDevice->byTopOFDMBasicRate
-                CARDbAddBasicRate((PVOID)pDevice, RATEwGetRateIdx(byRate));
+		    CARDbAddBasicRate((void *)pDevice, RATEwGetRateIdx(byRate));
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate: %d\n", RATEwGetRateIdx(byRate));
             }
             byRate = (BYTE)(pItemExtRates->abyRates[ii]&0x7F);
@@ -272,7 +264,8 @@ UINT  uRateLen;
         }
     } //if(pItemExtRates != NULL)
 
-    if ((pDevice->byPacketType == PK_TYPE_11GB) && CARDbIsOFDMinBasicRate((PVOID)pDevice)) {
+    if ((pDevice->byPacketType == PK_TYPE_11GB)
+	&& CARDbIsOFDMinBasicRate((void *)pDevice)) {
         pDevice->byPacketType = PK_TYPE_11GA;
     }
 
@@ -284,7 +277,7 @@ UINT  uRateLen;
     else
        *pwMaxBasicRate = pDevice->byTopOFDMBasicRate;
     if (wOldBasicRate != pDevice->wBasicRate)
-        CARDvSetRSPINF((PVOID)pDevice, pDevice->byBBType);
+	CARDvSetRSPINF((void *)pDevice, pDevice->byBBType);
 
      DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Exit ParseMaxRate\n");
 }
@@ -308,9 +301,9 @@ UINT  uRateLen;
 #define AUTORATE_TXCNT_THRESHOLD        20
 #define AUTORATE_INC_THRESHOLD          30
 
-VOID
-RATEvTxRateFallBack (
-     PVOID pDeviceHandler,
+void
+RATEvTxRateFallBack(
+     void *pDeviceHandler,
      PKnownNodeDB psNodeDBTable
     )
 {
diff --git a/drivers/staging/vt6656/datarate.h b/drivers/staging/vt6656/datarate.h
index 5024f716238..da51854988b 100644
--- a/drivers/staging/vt6656/datarate.h
+++ b/drivers/staging/vt6656/datarate.h
@@ -69,9 +69,9 @@
 
 
 
-VOID
+void
 RATEvParseMaxRate(
-     PVOID pDeviceHandler,
+     void *pDeviceHandler,
      PWLAN_IE_SUPP_RATES pItemRates,
      PWLAN_IE_SUPP_RATES pItemExtRates,
      BOOL bUpdateBasicRate,
@@ -82,9 +82,9 @@ RATEvParseMaxRate(
     OUT PBYTE pbyTopOFDMRate
     );
 
-VOID
+void
 RATEvTxRateFallBack(
-     PVOID pDeviceHandler,
+     void *pDeviceHandler,
      PKnownNodeDB psNodeDBTable
     );
 
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index 29bb5977541..6d255ca1d6f 100644
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -209,9 +209,9 @@ typedef enum _CONTEXT_TYPE {
 // RCB (Receive Control Block)
 typedef struct _RCB
 {
-    PVOID                   Next;
+    void *Next;
     LONG                    Ref;
-    PVOID                   pDevice;
+    void *pDevice;
     struct urb              *pUrb;
     SRxMgmtPacket           sMngPacket;
     struct sk_buff*         skb;
@@ -222,13 +222,13 @@ typedef struct _RCB
 
 // used to track bulk out irps
 typedef struct _USB_SEND_CONTEXT {
-    PVOID           pDevice;
+    void *pDevice;
     struct sk_buff *pPacket;
     struct urb      *pUrb;
     UINT            uBufLen;
     CONTEXT_TYPE    Type;
     SEthernetHeader sEthHeader;
-    PVOID           Next;
+    void *Next;
     BOOL            bBoolInUse;
     UCHAR           Data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
 } USB_SEND_CONTEXT, *PUSB_SEND_CONTEXT;
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index 957b7622eb6..75be9708b6c 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -77,7 +77,7 @@ const BYTE acbyRxRate[MAX_RATE] =
 static BYTE s_byGetRateIdx(BYTE byRate);
 
 static
-VOID
+void
 s_vGetDASA(
       PBYTE pbyRxBufferAddr,
     OUT PUINT pcbHeaderSize,
@@ -85,7 +85,7 @@ s_vGetDASA(
     );
 
 static
-VOID
+void
 s_vProcessRxMACHeader (
       PSDevice pDevice,
       PBYTE pbyRxBufferAddr,
@@ -160,7 +160,7 @@ static BOOL s_bHostWepRxEncryption(
  *
 -*/
 static
-VOID
+void
 s_vProcessRxMACHeader (
       PSDevice pDevice,
       PBYTE pbyRxBufferAddr,
@@ -259,7 +259,7 @@ static BYTE s_byGetRateIdx(BYTE byRate)
 
 
 static
-VOID
+void
 s_vGetDASA (
       PBYTE pbyRxBufferAddr,
     OUT PUINT pcbHeaderSize,
@@ -1513,10 +1513,7 @@ static BOOL s_bAPModeRxData (
 
 
 
-VOID
-RXvWorkItem(
-    PVOID Context
-    )
+void RXvWorkItem(void *Context)
 {
     PSDevice pDevice = (PSDevice) Context;
     NTSTATUS        ntStatus;
@@ -1539,7 +1536,7 @@ RXvWorkItem(
 }
 
 
-VOID
+void
 RXvFreeRCB(
      PRCB pRCB,
      BOOL bReAllocSkb
@@ -1579,10 +1576,7 @@ RXvFreeRCB(
 }
 
 
-VOID
-RXvMngWorkItem(
-    PVOID Context
-    )
+void RXvMngWorkItem(void *Context)
 {
     PSDevice pDevice = (PSDevice) Context;
     PRCB            pRCB=NULL;
diff --git a/drivers/staging/vt6656/dpc.h b/drivers/staging/vt6656/dpc.h
index 8e6dceef240..457db771692 100644
--- a/drivers/staging/vt6656/dpc.h
+++ b/drivers/staging/vt6656/dpc.h
@@ -41,17 +41,11 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID
-RXvWorkItem(
-    PVOID Context
-    );
+void RXvWorkItem(void *Context);
 
-VOID
-RXvMngWorkItem(
-    PVOID Context
-    );
+void RXvMngWorkItem(void *Context);
 
-VOID
+void
 RXvFreeRCB(
      PRCB pRCB,
      BOOL bReAllocSkb
diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c
index a47eeb06930..2ba20893ce7 100644
--- a/drivers/staging/vt6656/int.c
+++ b/drivers/staging/vt6656/int.c
@@ -79,8 +79,7 @@ static int msglevel = MSG_LEVEL_INFO;
  *  if we've gotten no data
  *
 -*/
-VOID
-INTvWorkItem(PVOID Context)
+void INTvWorkItem(void *Context)
 {
 	PSDevice pDevice = (PSDevice) Context;
 	NTSTATUS ntStatus;
diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h
index c3476cff542..20c96f55068 100644
--- a/drivers/staging/vt6656/int.h
+++ b/drivers/staging/vt6656/int.h
@@ -67,10 +67,7 @@ SINTData, *PSINTData;
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID
-INTvWorkItem(
-    PVOID Context
-    );
+void INTvWorkItem(void *Context);
 
 NTSTATUS
 INTnsProcessData(
diff --git a/drivers/staging/vt6656/ioctl.h b/drivers/staging/vt6656/ioctl.h
index d3f49d44416..46eb699a71e 100644
--- a/drivers/staging/vt6656/ioctl.h
+++ b/drivers/staging/vt6656/ioctl.h
@@ -43,7 +43,7 @@
 int private_ioctl(PSDevice pDevice, struct ifreq *rq);
 
 /*
-VOID vConfigWEPKey (
+void vConfigWEPKey (
      PSDevice pDevice,
      DWORD    dwKeyIndex,
      PBYTE    pbyKey,
diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
index 6cdc85e8352..338ec087f73 100644
--- a/drivers/staging/vt6656/key.c
+++ b/drivers/staging/vt6656/key.c
@@ -60,8 +60,8 @@ static int          msglevel                =MSG_LEVEL_INFO;
 /*---------------------  Static Variables  --------------------------*/
 
 /*---------------------  Static Functions  --------------------------*/
-static VOID
-s_vCheckKeyTableValid (PVOID pDeviceHandler, PSKeyManagement pTable)
+static void s_vCheckKeyTableValid(void *pDeviceHandler,
+				  PSKeyManagement pTable)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     int         i;
@@ -112,7 +112,7 @@ s_vCheckKeyTableValid (PVOID pDeviceHandler, PSKeyManagement pTable)
  * Return Value: none
  *
  */
-VOID KeyvInitTable(PVOID pDeviceHandler, PSKeyManagement pTable)
+void KeyvInitTable(void *pDeviceHandler, PSKeyManagement pTable)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     int i;
@@ -123,10 +123,12 @@ VOID KeyvInitTable(PVOID pDeviceHandler, PSKeyManagement pTable)
     for (i=0;i<MAX_KEY_TABLE;i++) {
         pTable->KeyTable[i].bInUse = FALSE;
         pTable->KeyTable[i].PairwiseKey.bKeyValid = FALSE;
-        pTable->KeyTable[i].PairwiseKey.pvKeyTable = (PVOID)&pTable->KeyTable[i];
+	pTable->KeyTable[i].PairwiseKey.pvKeyTable =
+	  (void *)&pTable->KeyTable[i];
         for (jj=0; jj < MAX_GROUP_KEY; jj++) {
             pTable->KeyTable[i].GroupKey[jj].bKeyValid = FALSE;
-            pTable->KeyTable[i].GroupKey[jj].pvKeyTable = (PVOID) &(pTable->KeyTable[i]);
+	    pTable->KeyTable[i].GroupKey[jj].pvKeyTable =
+	      (void *) &(pTable->KeyTable[i]);
         }
         pTable->KeyTable[i].wKeyCtl = 0;
         pTable->KeyTable[i].dwGTKeyIndex = 0;
@@ -220,8 +222,8 @@ BOOL KeybGetKey (
  * Return Value: TRUE if success otherwise FALSE
  *
  */
-BOOL KeybSetKey (
-    PVOID           pDeviceHandler,
+BOOL KeybSetKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyIndex,
@@ -393,8 +395,8 @@ BOOL KeybSetKey (
  * Return Value: TRUE if success otherwise FALSE
  *
  */
-BOOL KeybRemoveKey (
-    PVOID           pDeviceHandler,
+BOOL KeybRemoveKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyIndex
@@ -474,8 +476,8 @@ BOOL KeybRemoveKey (
  * Return Value: TRUE if success otherwise FALSE
  *
  */
-BOOL KeybRemoveAllKey (
-    PVOID           pDeviceHandler,
+BOOL KeybRemoveAllKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     PBYTE           pbyBSSID
     )
@@ -510,8 +512,8 @@ BOOL KeybRemoveAllKey (
  * Return Value: TRUE if success otherwise FALSE
  *
  */
-VOID KeyvRemoveWEPKey (
-    PVOID           pDeviceHandler,
+void KeyvRemoveWEPKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex
     )
@@ -533,8 +535,8 @@ VOID KeyvRemoveWEPKey (
     return;
 }
 
-VOID KeyvRemoveAllWEPKey (
-    PVOID           pDeviceHandler,
+void KeyvRemoveAllWEPKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable
     )
 {
@@ -675,8 +677,8 @@ BOOL KeybCheckPairewiseKey (
  * Return Value: TRUE if success otherwise FALSE
  *
  */
-BOOL KeybSetDefaultKey (
-    PVOID           pDeviceHandler,
+BOOL KeybSetDefaultKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
     ULONG           uKeyLength,
@@ -783,8 +785,8 @@ BOOL KeybSetDefaultKey (
  * Return Value: TRUE if success otherwise FALSE
  *
  */
-BOOL KeybSetAllGroupKey (
-    PVOID           pDeviceHandler,
+BOOL KeybSetAllGroupKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
     ULONG           uKeyLength,
diff --git a/drivers/staging/vt6656/key.h b/drivers/staging/vt6656/key.h
index 11236e848d9..7aec57b6f61 100644
--- a/drivers/staging/vt6656/key.h
+++ b/drivers/staging/vt6656/key.h
@@ -66,7 +66,7 @@ typedef struct tagSKeyItem
     BYTE        byCipherSuite;
     BYTE        byReserved0;
     DWORD       dwKeyIndex;
-    PVOID       pvKeyTable;
+    void *pvKeyTable;
 } SKeyItem, *PSKeyItem; //64
 
 typedef struct tagSKeyTable
@@ -97,7 +97,7 @@ typedef struct tagSKeyManagement
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID KeyvInitTable(PVOID pDeviceHandler, PSKeyManagement pTable);
+void KeyvInitTable(void *pDeviceHandler, PSKeyManagement pTable);
 
 BOOL KeybGetKey(
       PSKeyManagement pTable,
@@ -107,7 +107,7 @@ BOOL KeybGetKey(
     );
 
 BOOL KeybSetKey(
-    PVOID           pDeviceHandler,
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyIndex,
@@ -118,26 +118,26 @@ BOOL KeybSetKey(
     );
 
 BOOL KeybRemoveKey(
-    PVOID           pDeviceHandler,
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyIndex
     );
 
-BOOL KeybRemoveAllKey (
-    PVOID           pDeviceHandler,
+BOOL KeybRemoveAllKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     PBYTE           pbyBSSID
     );
 
-VOID KeyvRemoveWEPKey(
-    PVOID           pDeviceHandler,
+void KeyvRemoveWEPKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex
     );
 
-VOID KeyvRemoveAllWEPKey(
-    PVOID           pDeviceHandler,
+void KeyvRemoveAllWEPKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable
     );
 
@@ -153,8 +153,8 @@ BOOL KeybCheckPairewiseKey(
     OUT PSKeyItem       *pKey
     );
 
-BOOL KeybSetDefaultKey (
-    PVOID           pDeviceHandler,
+BOOL KeybSetDefaultKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
     ULONG           uKeyLength,
@@ -163,8 +163,8 @@ BOOL KeybSetDefaultKey (
     BYTE            byKeyDecMode
     );
 
-BOOL KeybSetAllGroupKey (
-    PVOID           pDeviceHandler,
+BOOL KeybSetAllGroupKey(
+    void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
     ULONG           uKeyLength,
diff --git a/drivers/staging/vt6656/mac.c b/drivers/staging/vt6656/mac.c
index 55a798668fa..71f09663e65 100644
--- a/drivers/staging/vt6656/mac.c
+++ b/drivers/staging/vt6656/mac.c
@@ -110,7 +110,7 @@ void MACvSetMultiAddrByHash (PSDevice pDevice, BYTE byHashIdx)
  * Return Value: none
  *
  */
-VOID MACvWriteMultiAddr (PSDevice pDevice, UINT uByteIdx, BYTE byData)
+void MACvWriteMultiAddr(PSDevice pDevice, UINT uByteIdx, BYTE byData)
 {
     BYTE            byData1;
 
diff --git a/drivers/staging/vt6656/mac.h b/drivers/staging/vt6656/mac.h
index fe99e3df2a5..1a7c2f5cff0 100644
--- a/drivers/staging/vt6656/mac.h
+++ b/drivers/staging/vt6656/mac.h
@@ -421,7 +421,7 @@
 /*---------------------  Export Functions  --------------------------*/
 
 void MACvSetMultiAddrByHash (PSDevice pDevice, BYTE byHashIdx);
-VOID MACvWriteMultiAddr (PSDevice pDevice, UINT uByteIdx, BYTE byData);
+void MACvWriteMultiAddr(PSDevice pDevice, UINT uByteIdx, BYTE byData);
 BOOL MACbShutdown(PSDevice pDevice);;
 void MACvSetBBType(PSDevice pDevice,BYTE byType);
 void MACvSetMISCFifo (PSDevice pDevice, WORD wOffset, DWORD dwData);
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index ebd7a1ebce8..2fcaf70aa46 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -331,8 +331,8 @@ device_set_options(PSDevice pDevice) {
 }
 
 
-static VOID device_init_diversity_timer(PSDevice pDevice) {
-
+static void device_init_diversity_timer(PSDevice pDevice)
+{
     init_timer(&pDevice->TimerSQ3Tmax1);
     pDevice->TimerSQ3Tmax1.data = (ULONG)pDevice;
     pDevice->TimerSQ3Tmax1.function = (TimerFunction)TimerSQ3CallBack;
@@ -791,7 +791,7 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
     spin_lock_init(&pDevice->lock);
 
     pDevice->tx_80211 = device_dma0_tx_80211;
-    pDevice->sMgmtObj.pAdapter = (PVOID)pDevice;
+    pDevice->sMgmtObj.pAdapter = (void *)pDevice;
 
     netdev->netdev_ops         = &device_netdev_ops;
 
@@ -843,7 +843,8 @@ err_nomem:
 }
 
 
-static VOID device_free_tx_bufs(PSDevice pDevice) {
+static void device_free_tx_bufs(PSDevice pDevice)
+{
     PUSB_SEND_CONTEXT pTxContext;
     int ii;
 
@@ -862,7 +863,8 @@ static VOID device_free_tx_bufs(PSDevice pDevice) {
 }
 
 
-static VOID device_free_rx_bufs(PSDevice pDevice) {
+static void device_free_rx_bufs(PSDevice pDevice)
+{
     PRCB pRCB;
     int ii;
 
@@ -894,8 +896,8 @@ static void usb_device_reset(PSDevice pDevice)
 	return ;
 }
 
-static VOID device_free_int_bufs(PSDevice pDevice) {
-
+static void device_free_int_bufs(PSDevice pDevice)
+{
     if (pDevice->intBuf.pDataBuf != NULL)
         kfree(pDevice->intBuf.pDataBuf);
     return;
@@ -917,7 +919,7 @@ static BOOL device_alloc_bufs(PSDevice pDevice) {
             goto free_tx;
         }
         pDevice->apTD[ii] = pTxContext;
-        pTxContext->pDevice = (PVOID) pDevice;
+	pTxContext->pDevice = (void *) pDevice;
         //allocate URBs
         pTxContext->pUrb = usb_alloc_urb(0, GFP_ATOMIC);
         if (pTxContext->pUrb == NULL) {
@@ -946,7 +948,7 @@ static BOOL device_alloc_bufs(PSDevice pDevice) {
     for (ii = 0; ii < pDevice->cbRD; ii++) {
 
         pDevice->apRCB[ii] = pRCB;
-        pRCB->pDevice = (PVOID) pDevice;
+	pRCB->pDevice = (void *) pDevice;
         //allocate URBs
         pRCB->pUrb = usb_alloc_urb(0, GFP_ATOMIC);
 
diff --git a/drivers/staging/vt6656/michael.c b/drivers/staging/vt6656/michael.c
index d4c08209a17..d45333fc242 100644
--- a/drivers/staging/vt6656/michael.c
+++ b/drivers/staging/vt6656/michael.c
@@ -50,14 +50,14 @@
 /*
  * static DWORD s_dwGetUINT32(BYTE * p);         Get DWORD from
  *							4 bytes LSByte first
- * static VOID s_vPutUINT32(BYTE* p, DWORD val); Put DWORD into
+ * static void s_vPutUINT32(BYTE* p, DWORD val); Put DWORD into
  *							4 bytes LSByte first
  */
-static VOID s_vClear(void);		/* Clear the internal message,
+static void s_vClear(void);		/* Clear the internal message,
 					 * resets the object to the
 					 * state just after construction. */
-static VOID s_vSetKey(DWORD dwK0, DWORD dwK1);
-static VOID s_vAppendByte(BYTE b);	/* Add a single byte to the internal
+static void s_vSetKey(DWORD dwK0, DWORD dwK1);
+static void s_vAppendByte(BYTE b);	/* Add a single byte to the internal
 					 * message */
 
 /*---------------------  Export Variables  --------------------------*/
@@ -79,7 +79,7 @@ static DWORD s_dwGetUINT32 (BYTE * p)
 	return res;
 }
 
-static VOID s_vPutUINT32 (BYTE* p, DWORD val)
+static void s_vPutUINT32(BYTE *p, DWORD val)
 // Convert from DWORD to BYTE[] in a portable way
 {
 	UINT i;
@@ -90,7 +90,7 @@ static VOID s_vPutUINT32 (BYTE* p, DWORD val)
 }
 */
 
-static VOID s_vClear(void)
+static void s_vClear(void)
 {
 	/* Reset the state to the empty message. */
 	L = K0;
@@ -99,7 +99,7 @@ static VOID s_vClear(void)
 	M = 0;
 }
 
-static VOID s_vSetKey(DWORD dwK0, DWORD dwK1)
+static void s_vSetKey(DWORD dwK0, DWORD dwK1)
 {
 	/* Set the key */
 	K0 = dwK0;
@@ -108,7 +108,7 @@ static VOID s_vSetKey(DWORD dwK0, DWORD dwK1)
 	s_vClear();
 }
 
-static VOID s_vAppendByte(BYTE b)
+static void s_vAppendByte(BYTE b)
 {
 	/* Append the byte to our word-sized buffer */
 	M |= b << (8*nBytesInM);
@@ -130,14 +130,14 @@ static VOID s_vAppendByte(BYTE b)
 	}
 }
 
-VOID MIC_vInit(DWORD dwK0, DWORD dwK1)
+void MIC_vInit(DWORD dwK0, DWORD dwK1)
 {
 	/* Set the key */
 	s_vSetKey(dwK0, dwK1);
 }
 
 
-VOID MIC_vUnInit(void)
+void MIC_vUnInit(void)
 {
 	/* Wipe the key material */
 	K0 = 0;
@@ -148,7 +148,7 @@ VOID MIC_vUnInit(void)
 	s_vClear();
 }
 
-VOID MIC_vAppend(PBYTE src, UINT nBytes)
+void MIC_vAppend(PBYTE src, UINT nBytes)
 {
     /* This is simple */
 	while (nBytes > 0) {
@@ -157,7 +157,7 @@ VOID MIC_vAppend(PBYTE src, UINT nBytes)
 	}
 }
 
-VOID MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR)
+void MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR)
 {
 	/* Append the minimum padding */
 	s_vAppendByte(0x5a);
diff --git a/drivers/staging/vt6656/michael.h b/drivers/staging/vt6656/michael.h
index 3f79b52832d..97de77b4da2 100644
--- a/drivers/staging/vt6656/michael.h
+++ b/drivers/staging/vt6656/michael.h
@@ -35,16 +35,16 @@
 
 /*---------------------  Export Types  ------------------------------*/
 
-VOID MIC_vInit(DWORD dwK0, DWORD dwK1);
+void MIC_vInit(DWORD dwK0, DWORD dwK1);
 
-VOID MIC_vUnInit(void);
+void MIC_vUnInit(void);
 
 // Append bytes to the message to be MICed
-VOID MIC_vAppend(PBYTE src, UINT nBytes);
+void MIC_vAppend(PBYTE src, UINT nBytes);
 
 // Get the MIC result. Destination should accept 8 bytes of result.
 // This also resets the message to empty.
-VOID MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR);
+void MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR);
 
 /*---------------------  Export Macros ------------------------------*/
 
diff --git a/drivers/staging/vt6656/power.c b/drivers/staging/vt6656/power.c
index e50093e355a..05d51fbb00b 100644
--- a/drivers/staging/vt6656/power.c
+++ b/drivers/staging/vt6656/power.c
@@ -76,7 +76,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
 -*/
 
 
-VOID
+void
 PSvEnablePowerSaving(
      HANDLE hDeviceContext,
      WORD wListenInterval
@@ -154,7 +154,7 @@ PSvEnablePowerSaving(
  *
 -*/
 
-VOID
+void
 PSvDisablePowerSaving(
      HANDLE hDeviceContext
     )
@@ -262,7 +262,7 @@ PSbConsiderPowerDown(
 
 
 
-VOID
+void
 PSvSendPSPOLL(
      HANDLE hDeviceContext
     )
diff --git a/drivers/staging/vt6656/power.h b/drivers/staging/vt6656/power.h
index 0a14811ced9..e83ac4ecf6d 100644
--- a/drivers/staging/vt6656/power.h
+++ b/drivers/staging/vt6656/power.h
@@ -55,18 +55,18 @@ PSbConsiderPowerDown(
      BOOL bCheckCountToWakeUp
     );
 
-VOID
+void
 PSvDisablePowerSaving(
      HANDLE hDeviceContext
     );
 
-VOID
+void
 PSvEnablePowerSaving(
      HANDLE hDeviceContext,
      WORD wListenInterval
     );
 
-VOID
+void
 PSvSendPSPOLL(
      HANDLE hDeviceContext
     );
diff --git a/drivers/staging/vt6656/rc4.c b/drivers/staging/vt6656/rc4.c
index 64c419df932..487f1dcfd8c 100644
--- a/drivers/staging/vt6656/rc4.c
+++ b/drivers/staging/vt6656/rc4.c
@@ -32,7 +32,7 @@
 
 #include "rc4.h"
 
-VOID rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len)
+void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len)
 {
 	UINT  ust1, ust2;
 	UINT  keyindex;
@@ -78,7 +78,7 @@ UINT rc4_byte(PRC4Ext pRC4)
 	return pbyst[(ustx + usty) & 0xff];
 }
 
-VOID rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest,
+void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest,
 			PBYTE pbySrc, UINT cbData_len)
 {
 	UINT ii;
diff --git a/drivers/staging/vt6656/rc4.h b/drivers/staging/vt6656/rc4.h
index bf607c9d446..e65cae69efa 100644
--- a/drivers/staging/vt6656/rc4.h
+++ b/drivers/staging/vt6656/rc4.h
@@ -40,7 +40,7 @@ typedef struct {
     BYTE abystate[256];
 } RC4Ext, *PRC4Ext;
 
-VOID rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len);
+void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len);
 UINT rc4_byte(PRC4Ext pRC4);
 void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest, PBYTE pbySrc, UINT cbData_len);
 
diff --git a/drivers/staging/vt6656/rf.c b/drivers/staging/vt6656/rf.c
index d69925ff469..1126cb48f4a 100644
--- a/drivers/staging/vt6656/rf.c
+++ b/drivers/staging/vt6656/rf.c
@@ -954,7 +954,7 @@ BOOL        bResult = TRUE;
  * Return Value: none
  *
 -*/
-VOID
+void
 RFvRSSITodBm (
       PSDevice pDevice,
       BYTE     byCurrRSSI,
@@ -984,7 +984,7 @@ RFvRSSITodBm (
 
 
 
-VOID
+void
 RFbRFTableDownload (
       PSDevice pDevice
     )
diff --git a/drivers/staging/vt6656/rf.h b/drivers/staging/vt6656/rf.h
index 22159869364..6c3faf8adc8 100644
--- a/drivers/staging/vt6656/rf.h
+++ b/drivers/staging/vt6656/rf.h
@@ -76,14 +76,14 @@ BOOL RFbRawSetPower(
       UINT      uRATE
     );
 
-VOID
+void
 RFvRSSITodBm (
       PSDevice pDevice,
       BYTE     byCurrRSSI,
     long *    pldBm
     );
 
-VOID
+void
 RFbRFTableDownload (
       PSDevice pDevice
     );
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 1d7ca228624..9ddb7e1c254 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -113,7 +113,7 @@ const WORD wFB_Opt1[2][5] = {
 /*---------------------  Static Functions  --------------------------*/
 
 static
-VOID
+void
 s_vSaveTxPktInfo(
      PSDevice pDevice,
      BYTE byPktNum,
@@ -123,22 +123,22 @@ s_vSaveTxPktInfo(
 );
 
 static
-PVOID
+void *
 s_vGetFreeContext(
     PSDevice pDevice
     );
 
 
 static
-VOID
+void
 s_vGenerateTxParameter(
      PSDevice         pDevice,
      BYTE             byPktType,
      WORD             wCurrentRate,
-     PVOID            pTxBufHead,
-     PVOID            pvRrvTime,
-     PVOID            pvRTS,
-     PVOID            pvCTS,
+     void *pTxBufHead,
+     void *pvRrvTime,
+     void *pvRTS,
+     void *pvCTS,
      UINT             cbFrameSize,
      BOOL             bNeedACK,
      UINT             uDMAIdx,
@@ -152,7 +152,7 @@ s_uFillDataHead (
      PSDevice pDevice,
      BYTE     byPktType,
      WORD     wCurrentRate,
-     PVOID    pTxDataHead,
+     void *pTxDataHead,
      UINT     cbFrameLength,
      UINT     uDMAIdx,
      BOOL     bNeedAck,
@@ -166,7 +166,7 @@ s_uFillDataHead (
 
 
 static
-VOID
+void
 s_vGenerateMACHeader (
      PSDevice         pDevice,
      PBYTE            pbyBufferAddr,
@@ -179,7 +179,7 @@ s_vGenerateMACHeader (
     );
 
 static
-VOID
+void
 s_vFillTxKey(
       PSDevice   pDevice,
       PBYTE      pbyBuf,
@@ -191,7 +191,7 @@ s_vFillTxKey(
     );
 
 static
-VOID
+void
 s_vSWencryption (
       PSDevice         pDevice,
       PSKeyItem        pTransmitKey,
@@ -221,12 +221,12 @@ s_uGetRTSCTSRsvTime (
     );
 
 static
-VOID
+void
 s_vFillCTSHead (
      PSDevice pDevice,
      UINT     uDMAIdx,
      BYTE     byPktType,
-     PVOID    pvCTS,
+     void *pvCTS,
      UINT     cbFrameLength,
      BOOL     bNeedAck,
      BOOL     bDisCRC,
@@ -235,11 +235,11 @@ s_vFillCTSHead (
     );
 
 static
-VOID
+void
 s_vFillRTSHead(
      PSDevice         pDevice,
      BYTE             byPktType,
-     PVOID            pvRTS,
+     void *pvRTS,
      UINT             cbFrameLength,
      BOOL             bNeedAck,
      BOOL             bDisCRC,
@@ -280,7 +280,7 @@ s_uGetRTSCTSDuration (
 /*---------------------  Export Variables  --------------------------*/
 
 static
-PVOID
+void *
 s_vGetFreeContext(
     PSDevice pDevice
     )
@@ -302,12 +302,12 @@ s_vGetFreeContext(
     if ( ii == pDevice->cbTD ) {
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Free Tx Context\n");
     }
-    return ((PVOID) pReturnContext);
+    return (void *) pReturnContext;
 }
 
 
 static
-VOID
+void
 s_vSaveTxPktInfo(PSDevice pDevice, BYTE byPktNum, PBYTE pbyDestAddr, WORD wPktLength, WORD wFIFOCtl)
 {
     PSStatCounter           pStatistic=&(pDevice->scStatistic);
@@ -331,7 +331,7 @@ s_vSaveTxPktInfo(PSDevice pDevice, BYTE byPktNum, PBYTE pbyDestAddr, WORD wPktLe
 
 
 static
-VOID
+void
 s_vFillTxKey (
       PSDevice   pDevice,
       PBYTE      pbyBuf,
@@ -448,7 +448,7 @@ s_vFillTxKey (
 
 
 static
-VOID
+void
 s_vSWencryption (
       PSDevice            pDevice,
       PSKeyItem           pTransmitKey,
@@ -841,7 +841,7 @@ s_uFillDataHead (
      PSDevice pDevice,
      BYTE     byPktType,
      WORD     wCurrentRate,
-     PVOID    pTxDataHead,
+     void *pTxDataHead,
      UINT     cbFrameLength,
      UINT     uDMAIdx,
      BOOL     bNeedAck,
@@ -981,11 +981,11 @@ s_uFillDataHead (
 
 
 static
-VOID
+void
 s_vFillRTSHead (
      PSDevice         pDevice,
      BYTE             byPktType,
-     PVOID            pvRTS,
+     void *pvRTS,
      UINT             cbFrameLength,
      BOOL             bNeedAck,
      BOOL             bDisCRC,
@@ -1209,12 +1209,12 @@ s_vFillRTSHead (
 }
 
 static
-VOID
+void
 s_vFillCTSHead (
      PSDevice pDevice,
      UINT     uDMAIdx,
      BYTE     byPktType,
-     PVOID    pvCTS,
+     void *pvCTS,
      UINT     cbFrameLength,
      BOOL     bNeedAck,
      BOOL     bDisCRC,
@@ -1309,15 +1309,15 @@ s_vFillCTSHead (
 -*/
 // UINT            cbFrameSize,//Hdr+Payload+FCS
 static
-VOID
+void
 s_vGenerateTxParameter (
      PSDevice         pDevice,
      BYTE             byPktType,
      WORD             wCurrentRate,
-     PVOID            pTxBufHead,
-     PVOID            pvRrvTime,
-     PVOID            pvRTS,
-     PVOID            pvCTS,
+     void *pTxBufHead,
+     void *pvRrvTime,
+     void *pvRTS,
+     void *pvCTS,
      UINT             cbFrameSize,
      BOOL             bNeedACK,
      UINT             uDMAIdx,
@@ -1455,11 +1455,11 @@ s_bPacketToWirelessUsb(
     BYTE                abySNAP_Bridgetunnel[6] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
     UINT                uDuration;
     UINT                cbHeaderLength= 0,uPadding = 0;
-    PVOID               pvRrvTime;
+    void *pvRrvTime;
     PSMICHDRHead        pMICHDR;
-    PVOID               pvRTS;
-    PVOID               pvCTS;
-    PVOID               pvTxDataHd;
+    void *pvRTS;
+    void *pvCTS;
+    void *pvTxDataHd;
     BYTE                byFBOption = AUTO_FB_NONE,byFragType;
     WORD                wTxBufSize;
     DWORD               dwMICKey0,dwMICKey1,dwMIC_Priority,dwCRC;
@@ -1694,7 +1694,8 @@ s_bPacketToWirelessUsb(
 
 
     //Fill FIFO,RrvTime,RTS,and CTS
-    s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, (PVOID)pbyTxBufferAddr, pvRrvTime, pvRTS, pvCTS,
+    s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate,
+			   (void *)pbyTxBufferAddr, pvRrvTime, pvRTS, pvCTS,
                                cbFrameSize, bNeedACK, uDMAIdx, psEthHeader);
     //Fill DataHead
     uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK,
@@ -1856,7 +1857,7 @@ s_bPacketToWirelessUsb(
  *
 -*/
 
-VOID
+void
 s_vGenerateMACHeader (
      PSDevice         pDevice,
      PBYTE            pbyBufferAddr,
@@ -1964,9 +1965,9 @@ CMD_STATUS csMgmt_xmit(
 {
     BYTE            byPktType;
     PBYTE           pbyTxBufferAddr;
-    PVOID           pvRTS;
+    void *pvRTS;
     PSCTS           pCTS;
-    PVOID           pvTxDataHd;
+    void *pvTxDataHd;
     UINT            uDuration;
     UINT            cbReqCount;
     PS802_11Header  pMACHeader;
@@ -1984,8 +1985,8 @@ CMD_STATUS csMgmt_xmit(
     WORD            wTxBufSize;
     UINT            cbMacHdLen;
     SEthernetHeader sEthHeader;
-    PVOID           pvRrvTime;
-    PVOID           pMICHDR;
+    void *pvRrvTime;
+    void *pMICHDR;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     WORD            wCurrentRate = RATE_1M;
     PTX_BUFFER          pTX_Buffer;
@@ -2137,7 +2138,8 @@ CMD_STATUS csMgmt_xmit(
         cbHeaderSize = wTxBufSize + sizeof(SRrvTime_ab) + sizeof(STxDataHead_ab);
     }
 
-    memset((PVOID)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
+    memset((void *)(pbyTxBufferAddr + wTxBufSize), 0,
+	   (cbHeaderSize - wTxBufSize));
 
     memcpy(&(sEthHeader.abyDstAddr[0]),
 	   &(pPacket->p80211Header->sA3.abyAddr1[0]),
@@ -2342,15 +2344,15 @@ csBeacon_xmit(
 
 
 
-VOID
+void
 vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb) {
 
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     BYTE            byPktType;
     PBYTE           pbyTxBufferAddr;
-    PVOID           pvRTS;
-    PVOID           pvCTS;
-    PVOID           pvTxDataHd;
+    void *pvRTS;
+    void *pvCTS;
+    void *pvTxDataHd;
     UINT            uDuration;
     UINT            cbReqCount;
     PS802_11Header  pMACHeader;
@@ -2374,8 +2376,8 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb) {
     WORD            wTxBufSize;
     UINT            cbMacHdLen;
     SEthernetHeader sEthHeader;
-    PVOID           pvRrvTime;
-    PVOID           pMICHDR;
+    void *pvRrvTime;
+    void *pMICHDR;
     WORD            wCurrentRate = RATE_1M;
     PUWLAN_80211HDR  p80211Header;
     UINT             uNodeIndex = 0;
@@ -2574,7 +2576,8 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb) {
         pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR);
         cbHeaderSize = wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(STxDataHead_ab);
     }
-    memset((PVOID)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
+    memset((void *)(pbyTxBufferAddr + wTxBufSize), 0,
+	   (cbHeaderSize - wTxBufSize));
     memcpy(&(sEthHeader.abyDstAddr[0]),
 	   &(p80211Header->sA3.abyAddr1[0]),
 	   ETH_ALEN);
diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h
index 1160c0354f3..7c7e078495c 100644
--- a/drivers/staging/vt6656/rxtx.h
+++ b/drivers/staging/vt6656/rxtx.h
@@ -682,7 +682,7 @@ bPacketToWirelessUsb(
     OUT UINT             *pcbTotalLen
     );
 
-VOID vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb);
+void vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb);
 NTSTATUS nsDMA_tx_packet(PSDevice  pDevice, UINT uDMAIdx, struct sk_buff *skb);
 CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket);
 CMD_STATUS csBeacon_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket);
diff --git a/drivers/staging/vt6656/tkip.c b/drivers/staging/vt6656/tkip.c
index 8ca154080e9..f83af5913aa 100644
--- a/drivers/staging/vt6656/tkip.c
+++ b/drivers/staging/vt6656/tkip.c
@@ -183,7 +183,7 @@ unsigned int rotr1(unsigned int a)
  * Return Value: none
  *
  */
-VOID TKIPvMixKey(
+void TKIPvMixKey(
     PBYTE   pbyTKey,
     PBYTE   pbyTA,
     WORD    wTSC15_0,
diff --git a/drivers/staging/vt6656/tkip.h b/drivers/staging/vt6656/tkip.h
index 847ecdf97ee..3dfa7f5ee7e 100644
--- a/drivers/staging/vt6656/tkip.h
+++ b/drivers/staging/vt6656/tkip.h
@@ -46,7 +46,7 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID TKIPvMixKey(
+void TKIPvMixKey(
     PBYTE   pbyTKey,
     PBYTE   pbyTA,
     WORD    wTSC15_0,
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 2365fa41139..5bbd4e37256 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -33,10 +33,6 @@
 
 /******* Common definitions and typedefs ***********************************/
 
-#ifndef VOID
-#define VOID            void
-#endif
-
 #ifndef OUT
 #define OUT
 #endif
@@ -146,13 +142,11 @@ typedef DWORD *          PDWORD;
 
 typedef QWORD *          PQWORD;
 
-typedef void *           PVOID;
-
 // handle declaration
 #ifdef STRICT
 typedef void *HANDLE;
 #else
-typedef PVOID HANDLE;
+typedef void *HANDLE;
 #endif
 
 #endif // __TTYPE_H__
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index 901c684b11e..7c325728b83 100644
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -71,34 +71,34 @@ static int          msglevel                =MSG_LEVEL_INFO;
 
 /*---------------------  Static Functions  --------------------------*/
 static
-VOID
+void
 s_nsInterruptUsbIoCompleteRead(
      struct urb *urb
     );
 
 
 static
-VOID
+void
 s_nsBulkInUsbIoCompleteRead(
      struct urb *urb
     );
 
 
 static
-VOID
+void
 s_nsBulkOutIoCompleteWrite(
      struct urb *urb
     );
 
 
 static
-VOID
+void
 s_nsControlInUsbIoCompleteRead(
      struct urb *urb
     );
 
 static
-VOID
+void
 s_nsControlInUsbIoCompleteWrite(
      struct urb *urb
     );
@@ -142,7 +142,7 @@ PIPEnsControlOutAsyn(
                             0x40, // RequestType
                             wValue,
                             wIndex,
-                            (PVOID) pbyBuffer,
+			    (void *) pbyBuffer,
                             wLength,
                             HZ
                           );
@@ -279,7 +279,7 @@ PIPEnsControlIn(
 }
 
 static
-VOID
+void
 s_nsControlInUsbIoCompleteWrite(
      struct urb *urb
     )
@@ -320,7 +320,7 @@ s_nsControlInUsbIoCompleteWrite(
  *
  */
 static
-VOID
+void
 s_nsControlInUsbIoCompleteRead(
      struct urb *urb
     )
@@ -385,7 +385,7 @@ PIPEnsInterruptRead(
 	usb_fill_int_urb(pDevice->pInterruptURB,
 	                 pDevice->usb,
 	                 usb_rcvintpipe(pDevice->usb, 1),
-	                 (PVOID) pDevice->intBuf.pDataBuf,
+			 (void *) pDevice->intBuf.pDataBuf,
 	                 MAX_INTERRUPT_SIZE,
 	                 s_nsInterruptUsbIoCompleteRead,
 	                 pDevice,
@@ -396,7 +396,7 @@ PIPEnsInterruptRead(
 	usb_fill_int_urb(pDevice->pInterruptURB,
 	                 pDevice->usb,
 	                 usb_rcvintpipe(pDevice->usb, 1),
-	                 (PVOID) pDevice->intBuf.pDataBuf,
+			 (void *) pDevice->intBuf.pDataBuf,
 	                 MAX_INTERRUPT_SIZE,
 	                 s_nsInterruptUsbIoCompleteRead,
 	                 pDevice,
@@ -409,7 +409,7 @@ PIPEnsInterruptRead(
 usb_fill_bulk_urb(pDevice->pInterruptURB,
 		pDevice->usb,
 		usb_rcvbulkpipe(pDevice->usb, 1),
-		(PVOID) pDevice->intBuf.pDataBuf,
+		(void *) pDevice->intBuf.pDataBuf,
 		MAX_INTERRUPT_SIZE,
 		s_nsInterruptUsbIoCompleteRead,
 		pDevice);
@@ -441,7 +441,7 @@ usb_fill_bulk_urb(pDevice->pInterruptURB,
  *
  */
 static
-VOID
+void
 s_nsInterruptUsbIoCompleteRead(
      struct urb *urb
     )
@@ -506,7 +506,7 @@ s_nsInterruptUsbIoCompleteRead(
        usb_fill_bulk_urb(pDevice->pInterruptURB,
 		      pDevice->usb,
 		      usb_rcvbulkpipe(pDevice->usb, 1),
-		     (PVOID) pDevice->intBuf.pDataBuf,
+		     (void *) pDevice->intBuf.pDataBuf,
 		     MAX_INTERRUPT_SIZE,
 		     s_nsInterruptUsbIoCompleteRead,
 		     pDevice);
@@ -572,7 +572,7 @@ PIPEnsBulkInUsbRead(
 	usb_fill_bulk_urb(pUrb,
 		pDevice->usb,
 		usb_rcvbulkpipe(pDevice->usb, 2),
-		(PVOID) (pRCB->skb->data),
+		(void *) (pRCB->skb->data),
 		MAX_TOTAL_SIZE_WITH_ALL_HEADERS,
 		s_nsBulkInUsbIoCompleteRead,
 		pRCB);
@@ -606,7 +606,7 @@ PIPEnsBulkInUsbRead(
  *
  */
 static
-VOID
+void
 s_nsBulkInUsbIoCompleteRead(
      struct urb *urb
     )
@@ -718,8 +718,8 @@ PIPEnsSendBulkOut(
         usb_fill_bulk_urb(
         	    pUrb,
         		pDevice->usb,
-        		usb_sndbulkpipe(pDevice->usb, 3),
-        		(PVOID) &(pContext->Data[0]),
+		    usb_sndbulkpipe(pDevice->usb, 3),
+		    (void *) &(pContext->Data[0]),
         		pContext->uBufLen,
         		s_nsBulkOutIoCompleteWrite,
         		pContext);
@@ -766,7 +766,7 @@ PIPEnsSendBulkOut(
  *
  */
 static
-VOID
+void
 s_nsBulkOutIoCompleteWrite(
      struct urb *urb
     )
diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
index 7e543396536..23db5f63c78 100644
--- a/drivers/staging/vt6656/wcmd.c
+++ b/drivers/staging/vt6656/wcmd.c
@@ -69,7 +69,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
 /*---------------------  Static Functions  --------------------------*/
 
 static
-VOID
+void
 s_vProbeChannel(
      PSDevice pDevice
     );
@@ -210,7 +210,7 @@ vAdHocBeaconRestart(PSDevice pDevice)
 -*/
 
 static
-VOID
+void
 s_vProbeChannel(
      PSDevice pDevice
     )
@@ -325,7 +325,7 @@ s_MgrMakeProbeRequest(
 
 
 
-VOID
+void
 vCommandTimerWait(
      HANDLE    hDeviceContext,
      UINT MSecond
@@ -345,7 +345,7 @@ vCommandTimerWait(
 
 
 
-VOID
+void
 vRunCommand(
       HANDLE      hDeviceContext
     )
@@ -1287,7 +1287,7 @@ BOOL s_bClearBSSID_SCAN (
 
 
 //mike add:reset command timer
-VOID
+void
 vResetCommandTimer(
      HANDLE      hDeviceContext
     )
@@ -1311,7 +1311,7 @@ vResetCommandTimer(
 
 //2007-0115-08<Add>by MikeLiu
 #ifdef TxInSleep
-VOID
+void
 BSSvSecondTxData(
       HANDLE      hDeviceContext
     )
diff --git a/drivers/staging/vt6656/wcmd.h b/drivers/staging/vt6656/wcmd.h
index 28c0aa559c9..f3eac035360 100644
--- a/drivers/staging/vt6656/wcmd.h
+++ b/drivers/staging/vt6656/wcmd.h
@@ -116,7 +116,7 @@ typedef enum tagCMD_STATE {
 
 
 /*---------------------  Export Functions  --------------------------*/
-VOID
+void
 vResetCommandTimer(
      HANDLE      hDeviceContext
     );
@@ -128,20 +128,20 @@ bScheduleCommand(
      PBYTE       pbyItem0
     );
 
-VOID
+void
 vRunCommand(
       HANDLE      hDeviceContext
     );
 /*
-VOID
+void
 WCMDvCommandThread(
-    PVOID Context
+    void * Context
     );
 */
 
 //2007-0115-09<Add>by MikeLiu
 #ifdef TxInSleep
-VOID
+void
 BSSvSecondTxData(
       HANDLE      hDeviceContext
     );
diff --git a/drivers/staging/vt6656/wmgr.c b/drivers/staging/vt6656/wmgr.c
index b93cb1d2bfb..994022aa0d6 100644
--- a/drivers/staging/vt6656/wmgr.c
+++ b/drivers/staging/vt6656/wmgr.c
@@ -113,7 +113,7 @@ s_MgrMakeAssocRequest(
     );
 
 static
-VOID
+void
 s_vMgrRxAssocRequest(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -135,7 +135,7 @@ s_MgrMakeReAssocRequest(
     );
 
 static
-VOID
+void
 s_vMgrRxAssocResponse(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -144,7 +144,7 @@ s_vMgrRxAssocResponse(
     );
 
 static
-VOID
+void
 s_vMgrRxDisassociation(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -153,7 +153,7 @@ s_vMgrRxDisassociation(
 
 // Authentication/deauthen functions
 static
-VOID
+void
 s_vMgrRxAuthenSequence_1(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -161,7 +161,7 @@ s_vMgrRxAuthenSequence_1(
     );
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_2(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -169,7 +169,7 @@ s_vMgrRxAuthenSequence_2(
     );
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_3(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -177,7 +177,7 @@ s_vMgrRxAuthenSequence_3(
     );
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_4(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -185,7 +185,7 @@ s_vMgrRxAuthenSequence_4(
     );
 
 static
-VOID
+void
 s_vMgrRxAuthentication(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -193,7 +193,7 @@ s_vMgrRxAuthentication(
     );
 
 static
-VOID
+void
 s_vMgrRxDeauthentication(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -203,7 +203,7 @@ s_vMgrRxDeauthentication(
 // Scan functions
 // probe request/response functions
 static
-VOID
+void
 s_vMgrRxProbeRequest(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -211,7 +211,7 @@ s_vMgrRxProbeRequest(
     );
 
 static
-VOID
+void
 s_vMgrRxProbeResponse(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -220,7 +220,7 @@ s_vMgrRxProbeResponse(
 
 // beacon functions
 static
-VOID
+void
 s_vMgrRxBeacon(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -229,7 +229,7 @@ s_vMgrRxBeacon(
     );
 
 static
-VOID
+void
 s_vMgrFormatTIM(
      PSMgmtObject pMgmt,
      PWLAN_IE_TIM pTIM
@@ -299,7 +299,7 @@ s_MgrMakeProbeResponse(
 
 // received status
 static
-VOID
+void
 s_vMgrLogStatus(
      PSMgmtObject pMgmt,
      WORD wStatus
@@ -307,7 +307,7 @@ s_vMgrLogStatus(
 
 
 static
-VOID
+void
 s_vMgrSynchBSS (
      PSDevice      pDevice,
      UINT          uBSSMode,
@@ -324,7 +324,7 @@ s_bCipherMatch (
     OUT PBYTE                           pbyCCSGK
     );
 
- static VOID  Encyption_Rebuild(
+ static void  Encyption_Rebuild(
      PSDevice pDevice,
      PKnownBSS pCurr
  );
@@ -347,7 +347,7 @@ s_bCipherMatch (
  *
 -*/
 
-VOID
+void
 vMgrObjectInit(
       HANDLE hDeviceContext
     )
@@ -415,7 +415,7 @@ vMgrObjectInit(
 -*/
 
 
-VOID
+void
 vMgrAssocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
@@ -491,7 +491,7 @@ vMgrAssocBeginSta(
  *
 -*/
 
-VOID
+void
 vMgrReAssocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
@@ -570,7 +570,7 @@ vMgrReAssocBeginSta(
  *
 -*/
 
-VOID
+void
 vMgrDisassocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
@@ -633,7 +633,7 @@ vMgrDisassocBeginSta(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAssocRequest(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -691,7 +691,7 @@ s_vMgrRxAssocRequest(
         }
 
 
-        RATEvParseMaxRate((PVOID)pDevice,
+	RATEvParseMaxRate((void *)pDevice,
                            (PWLAN_IE_SUPP_RATES)abyCurrSuppRates,
                            (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRates,
                            FALSE, // do not change our basic rate
@@ -789,7 +789,7 @@ s_vMgrRxAssocRequest(
 -*/
 
 static
-VOID
+void
 s_vMgrRxReAssocRequest(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -844,7 +844,7 @@ s_vMgrRxReAssocRequest(
         }
 
 
-        RATEvParseMaxRate((PVOID)pDevice,
+	RATEvParseMaxRate((void *)pDevice,
                           (PWLAN_IE_SUPP_RATES)abyCurrSuppRates,
                           (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRates,
                            FALSE, // do not change our basic rate
@@ -936,7 +936,7 @@ s_vMgrRxReAssocRequest(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAssocResponse(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -1102,7 +1102,7 @@ if(pMgmt->eCurrState == WMAC_STATE_ASSOC)
  *
 -*/
 
-VOID
+void
 vMgrAuthenBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject  pMgmt,
@@ -1160,7 +1160,7 @@ vMgrAuthenBeginSta(
  *
 -*/
 
-VOID
+void
 vMgrDeAuthenBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject  pMgmt,
@@ -1217,7 +1217,7 @@ vMgrDeAuthenBeginSta(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAuthentication(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -1275,7 +1275,7 @@ s_vMgrRxAuthentication(
 
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_1(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -1381,7 +1381,7 @@ s_vMgrRxAuthenSequence_1(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_2(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -1483,7 +1483,7 @@ s_vMgrRxAuthenSequence_2(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_3(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -1571,7 +1571,7 @@ reply:
  *
 -*/
 static
-VOID
+void
 s_vMgrRxAuthenSequence_4(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -1610,7 +1610,7 @@ s_vMgrRxAuthenSequence_4(
 -*/
 
 static
-VOID
+void
 s_vMgrRxDisassociation(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -1700,7 +1700,7 @@ s_vMgrRxDisassociation(
 -*/
 
 static
-VOID
+void
 s_vMgrRxDeauthentication(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -1826,7 +1826,7 @@ ChannelExceedZoneType(
 -*/
 
 static
-VOID
+void
 s_vMgrRxBeacon(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -2089,7 +2089,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
             pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pBSSList->abyExtSuppRates,
                                                     (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                                                     uRateLen);
-            RATEvParseMaxRate( (PVOID)pDevice,
+	    RATEvParseMaxRate((void *)pDevice,
                                (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                                TRUE,
@@ -2227,7 +2227,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates,
                                                         (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                                         WLAN_RATES_MAXLEN_11B);
-                RATEvParseMaxRate( (PVOID)pDevice,
+		RATEvParseMaxRate((void *)pDevice,
                                    (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                    NULL,
                                    TRUE,
@@ -2248,7 +2248,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates,
                                                         (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                                         WLAN_RATES_MAXLEN_11B);
-                RATEvParseMaxRate( (PVOID)pDevice,
+		RATEvParseMaxRate((void *)pDevice,
                                    (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                    NULL,
                                    TRUE,
@@ -2355,7 +2355,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
  *    CMD_STATUS
  *
 -*/
-VOID
+void
 vMgrCreateOwnIBSS(
       HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
@@ -2466,7 +2466,8 @@ vMgrCreateOwnIBSS(
 
     // set basic rate
 
-    RATEvParseMaxRate((PVOID)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
+    RATEvParseMaxRate((void *)pDevice,
+		      (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, TRUE,
                       &wMaxBasicRate, &wMaxSuppRate, &wSuppRate,
                       &byTopCCKBasicRate, &byTopOFDMBasicRate);
@@ -2629,7 +2630,7 @@ vMgrCreateOwnIBSS(
  *
 -*/
 
-VOID
+void
 vMgrJoinBSSBegin(
       HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
@@ -2760,7 +2761,7 @@ vMgrJoinBSSBegin(
                 }
             }
 
-            RATEvParseMaxRate((PVOID)pDevice, pItemRates, pItemExtRates, TRUE,
+	    RATEvParseMaxRate((void *)pDevice, pItemRates, pItemExtRates, TRUE,
                               &wMaxBasicRate, &wMaxSuppRate, &wSuppRate,
                               &byTopCCKBasicRate, &byTopOFDMBasicRate);
             vUpdateIFS(pDevice);
@@ -2899,7 +2900,8 @@ vMgrJoinBSSBegin(
                                                     (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                                     WLAN_RATES_MAXLEN_11B);
             // set basic rate
-            RATEvParseMaxRate((PVOID)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
+	    RATEvParseMaxRate((void *)pDevice,
+			      (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                               NULL, TRUE, &wMaxBasicRate, &wMaxSuppRate, &wSuppRate,
                               &byTopCCKBasicRate, &byTopOFDMBasicRate);
             vUpdateIFS(pDevice);
@@ -2960,7 +2962,7 @@ vMgrJoinBSSBegin(
  *
 -*/
 static
-VOID
+void
 s_vMgrSynchBSS (
      PSDevice      pDevice,
      UINT          uBSSMode,
@@ -3004,7 +3006,7 @@ s_vMgrSynchBSS (
     pDevice->byPreambleType = 0;
     pDevice->wBasicRate = 0;
     // Set Basic Rate
-    CARDbAddBasicRate((PVOID)pDevice, RATE_1M);
+    CARDbAddBasicRate((void *)pDevice, RATE_1M);
 
     // calculate TSF offset
     // TSF Offset = Received Timestamp TSF - Marked Local's TSF
@@ -3122,7 +3124,7 @@ s_vMgrSynchBSS (
 
 //mike add: fix NetworkManager 0.7.0 hidden ssid mode in WPA encryption
 //                   ,need reset eAuthenMode and eEncryptionStatus
- static VOID  Encyption_Rebuild(
+ static void  Encyption_Rebuild(
      PSDevice pDevice,
      PKnownBSS pCurr
  )
@@ -3174,12 +3176,12 @@ s_vMgrSynchBSS (
  *
  *
  * Return Value:
- *    VOID
+ *    void
  *
 -*/
 
 static
-VOID
+void
 s_vMgrFormatTIM(
      PSMgmtObject pMgmt,
      PWLAN_IE_TIM pTIM
@@ -4224,7 +4226,7 @@ s_MgrMakeReAssocResponse(
 -*/
 
 static
-VOID
+void
 s_vMgrRxProbeResponse(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -4354,7 +4356,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 
 
 static
-VOID
+void
 s_vMgrRxProbeRequest(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
@@ -4450,7 +4452,7 @@ s_vMgrRxProbeRequest(
 -*/
 
 
-VOID
+void
 vMgrRxManagePacket(
       HANDLE hDeviceContext,
      PSMgmtObject pMgmt,
@@ -4658,7 +4660,7 @@ bMgrPrepareBeaconToSend(
  *
 -*/
 static
-VOID
+void
 s_vMgrLogStatus(
      PSMgmtObject pMgmt,
      WORD  wStatus
@@ -4791,7 +4793,7 @@ bAdd_PMKID_Candidate (
  * Return Value: none.
  *
 -*/
-VOID
+void
 vFlush_PMKID_Candidate (
      HANDLE hDeviceContext
     )
diff --git a/drivers/staging/vt6656/wmgr.h b/drivers/staging/vt6656/wmgr.h
index f6774cedacf..d554715e2cd 100644
--- a/drivers/staging/vt6656/wmgr.h
+++ b/drivers/staging/vt6656/wmgr.h
@@ -246,8 +246,7 @@ typedef struct tagSRxMgmtPacket {
 
 typedef struct tagSMgmtObject
 {
-
-    PVOID                   pAdapter;
+	void *pAdapter;
     // MAC address
     BYTE                    abyMACAddr[WLAN_ADDR_LEN];
 
@@ -421,14 +420,14 @@ vMgrAssocBeginSta(
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrReAssocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrDisassocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
@@ -437,26 +436,26 @@ vMgrDisassocBeginSta(
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrAuthenBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrCreateOwnIBSS(
       HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrJoinBSSBegin(
       HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrRxManagePacket(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
@@ -464,14 +463,14 @@ vMgrRxManagePacket(
     );
 
 /*
-VOID
+void
 vMgrScanBegin(
       HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 */
 
-VOID
+void
 vMgrDeAuthenBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject  pMgmt,
@@ -494,7 +493,7 @@ bAdd_PMKID_Candidate (
      PSRSNCapObject psRSNCapObj
     );
 
-VOID
+void
 vFlush_PMKID_Candidate (
      HANDLE hDeviceContext
     );
diff --git a/drivers/staging/vt6656/wpa.c b/drivers/staging/vt6656/wpa.c
index 9992291ab22..1fa6c9b88ed 100644
--- a/drivers/staging/vt6656/wpa.c
+++ b/drivers/staging/vt6656/wpa.c
@@ -68,7 +68,7 @@ const BYTE abyOUI05[4] = { 0x00, 0x50, 0xf2, 0x05 };
  *
 -*/
 
-VOID
+void
 WPA_ClearRSN (
      PKnownBSS        pBSSList
     )
@@ -104,7 +104,7 @@ WPA_ClearRSN (
  * Return Value: none.
  *
 -*/
-VOID
+void
 WPA_ParseRSN (
      PKnownBSS        pBSSList,
      PWLAN_IE_RSN_EXT pRSN
diff --git a/drivers/staging/vt6656/wpa.h b/drivers/staging/vt6656/wpa.h
index 0a955b3200f..661f40d526f 100644
--- a/drivers/staging/vt6656/wpa.h
+++ b/drivers/staging/vt6656/wpa.h
@@ -58,12 +58,12 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID
+void
 WPA_ClearRSN(
      PKnownBSS        pBSSList
     );
 
-VOID
+void
 WPA_ParseRSN(
      PKnownBSS        pBSSList,
      PWLAN_IE_RSN_EXT pRSN
diff --git a/drivers/staging/vt6656/wpa2.c b/drivers/staging/vt6656/wpa2.c
index 9a972a4f643..73bfb500d45 100644
--- a/drivers/staging/vt6656/wpa2.c
+++ b/drivers/staging/vt6656/wpa2.c
@@ -71,7 +71,7 @@ const BYTE abyOUIPSK[4]     = { 0x00, 0x0F, 0xAC, 0x02 };
  * Return Value: none.
  *
 -*/
-VOID
+void
 WPA2_ClearRSN (
      PKnownBSS        pBSSNode
     )
@@ -106,7 +106,7 @@ WPA2_ClearRSN (
  * Return Value: none.
  *
 -*/
-VOID
+void
 WPA2vParseRSN (
      PKnownBSS        pBSSNode,
      PWLAN_IE_RSN     pRSN
@@ -261,8 +261,7 @@ WPA2vParseRSN (
  *
 -*/
 UINT
-WPA2uSetIEs(
-     PVOID pMgmtHandle,
+WPA2uSetIEs(void *pMgmtHandle,
     OUT PWLAN_IE_RSN pRSNIEs
     )
 {
diff --git a/drivers/staging/vt6656/wpa2.h b/drivers/staging/vt6656/wpa2.h
index 51fb3fd8b65..6026005ca8c 100644
--- a/drivers/staging/vt6656/wpa2.h
+++ b/drivers/staging/vt6656/wpa2.h
@@ -58,12 +58,12 @@ typedef struct tagSPMKIDCache {
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID
+void
 WPA2_ClearRSN (
      PKnownBSS        pBSSNode
     );
 
-VOID
+void
 WPA2vParseRSN (
      PKnownBSS        pBSSNode,
      PWLAN_IE_RSN     pRSN
@@ -71,7 +71,7 @@ WPA2vParseRSN (
 
 UINT
 WPA2uSetIEs(
-     PVOID pMgmtHandle,
+	void *pMgmtHandle,
     OUT PWLAN_IE_RSN pRSNIEs
     );
 

From e7b07d1d8936e06f88dbe227401ce659c2f9dee5 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Sat, 1 May 2010 19:12:26 -0300
Subject: [PATCH 1094/3638] Staging: vt6656: code cleanup, fixed comments style
 at the end of headers

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/aes_ccmp.h | 2 +-
 drivers/staging/vt6656/baseband.h | 2 +-
 drivers/staging/vt6656/bssdb.h    | 2 +-
 drivers/staging/vt6656/card.h     | 5 +----
 drivers/staging/vt6656/control.h  | 5 +----
 drivers/staging/vt6656/datarate.h | 3 +--
 drivers/staging/vt6656/desc.h     | 6 +-----
 drivers/staging/vt6656/dpc.h      | 5 +----
 drivers/staging/vt6656/firmware.h | 3 +--
 drivers/staging/vt6656/hostap.h   | 5 +----
 drivers/staging/vt6656/int.h      | 5 +----
 drivers/staging/vt6656/iocmd.h    | 4 +---
 drivers/staging/vt6656/ioctl.h    | 5 +----
 drivers/staging/vt6656/iowpa.h    | 4 +---
 drivers/staging/vt6656/iwctl.h    | 5 +----
 drivers/staging/vt6656/key.h      | 3 +--
 drivers/staging/vt6656/mac.h      | 2 +-
 drivers/staging/vt6656/mib.h      | 5 +----
 drivers/staging/vt6656/michael.h  | 4 +---
 drivers/staging/vt6656/power.h    | 2 +-
 drivers/staging/vt6656/rc4.h      | 2 +-
 drivers/staging/vt6656/rf.h       | 5 +----
 drivers/staging/vt6656/rndis.h    | 3 +--
 drivers/staging/vt6656/rxtx.h     | 5 +----
 drivers/staging/vt6656/srom.h     | 2 +-
 drivers/staging/vt6656/tcrc.h     | 5 +----
 drivers/staging/vt6656/tether.h   | 5 +----
 drivers/staging/vt6656/tkip.h     | 5 +----
 drivers/staging/vt6656/tmacro.h   | 4 +---
 drivers/staging/vt6656/ttype.h    | 2 +-
 drivers/staging/vt6656/upc.h      | 6 +-----
 drivers/staging/vt6656/usbpipe.h  | 5 +----
 drivers/staging/vt6656/wcmd.h     | 2 +-
 drivers/staging/vt6656/wctl.h     | 5 +----
 drivers/staging/vt6656/wmgr.h     | 2 +-
 drivers/staging/vt6656/wpa.h      | 2 +-
 drivers/staging/vt6656/wpa2.h     | 2 +-
 drivers/staging/vt6656/wpactl.h   | 5 +----
 38 files changed, 38 insertions(+), 106 deletions(-)

diff --git a/drivers/staging/vt6656/aes_ccmp.h b/drivers/staging/vt6656/aes_ccmp.h
index f2ba1d5aa1e..353bd210a50 100644
--- a/drivers/staging/vt6656/aes_ccmp.h
+++ b/drivers/staging/vt6656/aes_ccmp.h
@@ -43,4 +43,4 @@
 /*---------------------  Export Functions  --------------------------*/
 BOOL AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize);
 
-#endif //__AES_H__
+#endif /* __AES_CCMP_H__ */
diff --git a/drivers/staging/vt6656/baseband.h b/drivers/staging/vt6656/baseband.h
index fbc2847122b..9a1999b3302 100644
--- a/drivers/staging/vt6656/baseband.h
+++ b/drivers/staging/vt6656/baseband.h
@@ -143,4 +143,4 @@ void BBvUpdatePreEDThreshold(
        BOOL        bScanning
      );
 
-#endif // __BASEBAND_H__
+#endif /* __BASEBAND_H__ */
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index 343bfacdbe9..2aaa9332894 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -356,4 +356,4 @@ BSSvClearAnyBSSJoinRecord(
      HANDLE hDeviceContext
     );
 
-#endif //__BSSDB_H__
+#endif /* __BSSDB_H__ */
diff --git a/drivers/staging/vt6656/card.h b/drivers/staging/vt6656/card.h
index 2f7335e8aee..770ee6a95c1 100644
--- a/drivers/staging/vt6656/card.h
+++ b/drivers/staging/vt6656/card.h
@@ -91,7 +91,4 @@ CARDbChannelSwitch (
      BYTE             byCount
     );
 
-#endif // __CARD_H__
-
-
-
+#endif /* __CARD_H__ */
diff --git a/drivers/staging/vt6656/control.h b/drivers/staging/vt6656/control.h
index 106c9e9f2b3..146b450e13d 100644
--- a/drivers/staging/vt6656/control.h
+++ b/drivers/staging/vt6656/control.h
@@ -77,7 +77,4 @@ void ControlvMaskByte(
      BYTE byData
     );
 
-#endif // __RCV_H__
-
-
-
+#endif /* __CONTROL_H__ */
diff --git a/drivers/staging/vt6656/datarate.h b/drivers/staging/vt6656/datarate.h
index da51854988b..ae37eb63cad 100644
--- a/drivers/staging/vt6656/datarate.h
+++ b/drivers/staging/vt6656/datarate.h
@@ -106,5 +106,4 @@ DATARATEbyGetRateIdx(
      BYTE byRate
     );
 
-
-#endif //__DATARATE_H__
+#endif /* __DATARATE_H__ */
diff --git a/drivers/staging/vt6656/desc.h b/drivers/staging/vt6656/desc.h
index c87ea6b4d86..07f794ec6db 100644
--- a/drivers/staging/vt6656/desc.h
+++ b/drivers/staging/vt6656/desc.h
@@ -436,8 +436,4 @@ SKeyEntry;
 
 /*---------------------  Export Functions  --------------------------*/
 
-
-
-
-#endif // __DESC_H__
-
+#endif /* __DESC_H__ */
diff --git a/drivers/staging/vt6656/dpc.h b/drivers/staging/vt6656/dpc.h
index 457db771692..7ea3ad97341 100644
--- a/drivers/staging/vt6656/dpc.h
+++ b/drivers/staging/vt6656/dpc.h
@@ -58,7 +58,4 @@ RXbBulkInProcessData(
      ULONG            BytesToIndicate
     );
 
-#endif // __RXTX_H__
-
-
-
+#endif /* __RXTX_H__ */
diff --git a/drivers/staging/vt6656/firmware.h b/drivers/staging/vt6656/firmware.h
index 10e84cdf21b..b2f5b5818a9 100644
--- a/drivers/staging/vt6656/firmware.h
+++ b/drivers/staging/vt6656/firmware.h
@@ -56,5 +56,4 @@ FIRMWAREbCheckVersion(
      PSDevice pDevice
     );
 
-
-#endif // __FIRMWARE_H__
+#endif /* __FIRMWARE_H__ */
diff --git a/drivers/staging/vt6656/hostap.h b/drivers/staging/vt6656/hostap.h
index 9e366dca7a6..b660aee1ca0 100644
--- a/drivers/staging/vt6656/hostap.h
+++ b/drivers/staging/vt6656/hostap.h
@@ -64,7 +64,4 @@
 int vt6656_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked);
 int vt6656_hostap_ioctl(PSDevice pDevice, struct iw_point *p);
 
-#endif // __HOSTAP_H__
-
-
-
+#endif /* __HOSTAP_H__ */
diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h
index 20c96f55068..cdf355130de 100644
--- a/drivers/staging/vt6656/int.h
+++ b/drivers/staging/vt6656/int.h
@@ -74,7 +74,4 @@ INTnsProcessData(
       PSDevice pDevice
     );
 
-#endif // __INT_H__
-
-
-
+#endif /* __INT_H__ */
diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
index 49bfe15f133..67ec7d75805 100644
--- a/drivers/staging/vt6656/iocmd.h
+++ b/drivers/staging/vt6656/iocmd.h
@@ -470,6 +470,4 @@ struct viawget_hostapd_param {
 
 /*---------------------  Export Functions  --------------------------*/
 
-
-
-#endif //__IOCMD_H__
+#endif /* __IOCMD_H__ */
diff --git a/drivers/staging/vt6656/ioctl.h b/drivers/staging/vt6656/ioctl.h
index 46eb699a71e..b307980999e 100644
--- a/drivers/staging/vt6656/ioctl.h
+++ b/drivers/staging/vt6656/ioctl.h
@@ -51,7 +51,4 @@ void vConfigWEPKey (
     );
 */
 
-#endif // __IOCTL_H__
-
-
-
+#endif /* __IOCTL_H__ */
diff --git a/drivers/staging/vt6656/iowpa.h b/drivers/staging/vt6656/iowpa.h
index 5750b5b548e..da03edcbacb 100644
--- a/drivers/staging/vt6656/iowpa.h
+++ b/drivers/staging/vt6656/iowpa.h
@@ -153,6 +153,4 @@ struct viawget_scan_result {
 
 /*---------------------  Export Functions  --------------------------*/
 
-
-
-#endif //__IOWPA_H__
+#endif /* __IOWPA_H__ */
diff --git a/drivers/staging/vt6656/iwctl.h b/drivers/staging/vt6656/iwctl.h
index 3096de0ba1b..df9a4cf3baa 100644
--- a/drivers/staging/vt6656/iwctl.h
+++ b/drivers/staging/vt6656/iwctl.h
@@ -223,7 +223,4 @@ int iwctl_siwmlme(struct net_device *dev,
 extern const struct iw_handler_def	iwctl_handler_def;
 extern const struct iw_priv_args	iwctl_private_args;
 
-#endif // __IWCTL_H__
-
-
-
+#endif /* __IWCTL_H__ */
diff --git a/drivers/staging/vt6656/key.h b/drivers/staging/vt6656/key.h
index 7aec57b6f61..a10878200fa 100644
--- a/drivers/staging/vt6656/key.h
+++ b/drivers/staging/vt6656/key.h
@@ -173,5 +173,4 @@ BOOL KeybSetAllGroupKey(
     BYTE            byKeyDecMode
     );
 
-#endif // __KEY_H__
-
+#endif /* __KEY_H__ */
diff --git a/drivers/staging/vt6656/mac.h b/drivers/staging/vt6656/mac.h
index 1a7c2f5cff0..4e3d11b4a8b 100644
--- a/drivers/staging/vt6656/mac.h
+++ b/drivers/staging/vt6656/mac.h
@@ -439,4 +439,4 @@ void MACvEnableBarkerPreambleMd(PSDevice pDevice);
 void MACvDisableBarkerPreambleMd(PSDevice pDevice);
 void MACvWriteBeaconInterval(PSDevice pDevice, WORD wInterval);
 
-#endif // __MAC_H__
+#endif /* __MAC_H__ */
diff --git a/drivers/staging/vt6656/mib.h b/drivers/staging/vt6656/mib.h
index d1d781774ca..8a532e877f0 100644
--- a/drivers/staging/vt6656/mib.h
+++ b/drivers/staging/vt6656/mib.h
@@ -417,7 +417,4 @@ STAvUpdateUSBCounter(
     NTSTATUS        ntStatus
     );
 
-#endif // __MIB_H__
-
-
-
+#endif /* __MIB_H__ */
diff --git a/drivers/staging/vt6656/michael.h b/drivers/staging/vt6656/michael.h
index 97de77b4da2..52270d314a8 100644
--- a/drivers/staging/vt6656/michael.h
+++ b/drivers/staging/vt6656/michael.h
@@ -53,6 +53,4 @@ void MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR);
  ( ((A) << (n)) | ( ((A)>>(32-(n)))  & ( (1UL << (n)) - 1 ) ) )
 #define ROR32( A, n ) ROL32( (A), 32-(n) )
 
-#endif //__MICHAEL_H__
-
-
+#endif /* __MICHAEL_H__ */
diff --git a/drivers/staging/vt6656/power.h b/drivers/staging/vt6656/power.h
index e83ac4ecf6d..c34e3899d95 100644
--- a/drivers/staging/vt6656/power.h
+++ b/drivers/staging/vt6656/power.h
@@ -81,4 +81,4 @@ PSbIsNextTBTTWakeUp(
      HANDLE hDeviceContext
     );
 
-#endif //__POWER_H__
+#endif /* __POWER_H__ */
diff --git a/drivers/staging/vt6656/rc4.h b/drivers/staging/vt6656/rc4.h
index e65cae69efa..9cd1db9276b 100644
--- a/drivers/staging/vt6656/rc4.h
+++ b/drivers/staging/vt6656/rc4.h
@@ -44,4 +44,4 @@ void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len);
 UINT rc4_byte(PRC4Ext pRC4);
 void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest, PBYTE pbySrc, UINT cbData_len);
 
-#endif //__RC4_H__
+#endif /* __RC4_H__ */
diff --git a/drivers/staging/vt6656/rf.h b/drivers/staging/vt6656/rf.h
index 6c3faf8adc8..7423d4daba0 100644
--- a/drivers/staging/vt6656/rf.h
+++ b/drivers/staging/vt6656/rf.h
@@ -94,7 +94,4 @@ BOOL s_bVT3226D0_11bLoCurrentAdjust(
       BOOL        b11bMode
     );
 
-#endif // __RF_H__
-
-
-
+#endif /* __RF_H__ */
diff --git a/drivers/staging/vt6656/rndis.h b/drivers/staging/vt6656/rndis.h
index 1d32d81079b..ac842dd13a6 100644
--- a/drivers/staging/vt6656/rndis.h
+++ b/drivers/staging/vt6656/rndis.h
@@ -158,5 +158,4 @@ typedef struct _CMD_CHANGE_BBTYPE
 
 /*---------------------  Export Functions  --------------------------*/
 
-
-#endif // _RNDIS_H_
+#endif /* _RNDIS_H_ */
diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h
index 7c7e078495c..026943058ac 100644
--- a/drivers/staging/vt6656/rxtx.h
+++ b/drivers/staging/vt6656/rxtx.h
@@ -688,7 +688,4 @@ CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket);
 CMD_STATUS csBeacon_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket);
 BOOL bRelayPacketSend(PSDevice pDevice, PBYTE pbySkbData, UINT uDataLen, UINT uNodeIndex);
 
-#endif // __RXTX_H__
-
-
-
+#endif /* __RXTX_H__ */
diff --git a/drivers/staging/vt6656/srom.h b/drivers/staging/vt6656/srom.h
index 4c89e7ad6b4..dba21a54414 100644
--- a/drivers/staging/vt6656/srom.h
+++ b/drivers/staging/vt6656/srom.h
@@ -124,4 +124,4 @@ typedef struct tagSSromReg {
 
 /*---------------------  Export Functions  --------------------------*/
 
-#endif // __EEPROM_H__
+#endif /* __EEPROM_H__ */
diff --git a/drivers/staging/vt6656/tcrc.h b/drivers/staging/vt6656/tcrc.h
index 5faa48b0a74..a41fc9b5610 100644
--- a/drivers/staging/vt6656/tcrc.h
+++ b/drivers/staging/vt6656/tcrc.h
@@ -47,7 +47,4 @@ DWORD CRCdwCrc32(PBYTE pbyData, UINT cbByte, DWORD dwCrcSeed);
 DWORD CRCdwGetCrc32(PBYTE pbyData, UINT cbByte);
 DWORD CRCdwGetCrc32Ex(PBYTE pbyData, UINT cbByte, DWORD dwPreCRC);
 
-#endif // __TCRC_H__
-
-
-
+#endif /* __TCRC_H__ */
diff --git a/drivers/staging/vt6656/tether.h b/drivers/staging/vt6656/tether.h
index af119dd82b2..9b26033c585 100644
--- a/drivers/staging/vt6656/tether.h
+++ b/drivers/staging/vt6656/tether.h
@@ -230,7 +230,4 @@ BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
 //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
 BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength);
 
-#endif // __TETHER_H__
-
-
-
+#endif /* __TETHER_H__ */
diff --git a/drivers/staging/vt6656/tkip.h b/drivers/staging/vt6656/tkip.h
index 3dfa7f5ee7e..47c3a853b92 100644
--- a/drivers/staging/vt6656/tkip.h
+++ b/drivers/staging/vt6656/tkip.h
@@ -54,7 +54,4 @@ void TKIPvMixKey(
     PBYTE   pbyRC4Key
     );
 
-#endif // __TKIP_H__
-
-
-
+#endif /* __TKIP_H__ */
diff --git a/drivers/staging/vt6656/tmacro.h b/drivers/staging/vt6656/tmacro.h
index e96c140de05..3c81e2b0791 100644
--- a/drivers/staging/vt6656/tmacro.h
+++ b/drivers/staging/vt6656/tmacro.h
@@ -57,6 +57,4 @@
 #define MAKEDWORD(lw, hw)   ((DWORD)(((WORD)(lw)) | (((DWORD)((WORD)(hw))) << 16)))
 #endif
 
-#endif // __TMACRO_H__
-
-
+#endif /* __TMACRO_H__ */
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 5bbd4e37256..a773e58c230 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -149,4 +149,4 @@ typedef void *HANDLE;
 typedef void *HANDLE;
 #endif
 
-#endif // __TTYPE_H__
+#endif /* __TTYPE_H__ */
diff --git a/drivers/staging/vt6656/upc.h b/drivers/staging/vt6656/upc.h
index acd1b661490..be386edb3e9 100644
--- a/drivers/staging/vt6656/upc.h
+++ b/drivers/staging/vt6656/upc.h
@@ -159,8 +159,4 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-
-
-
-#endif // __UPC_H__
-
+#endif /* __UPC_H__ */
diff --git a/drivers/staging/vt6656/usbpipe.h b/drivers/staging/vt6656/usbpipe.h
index 0f7cd2d10b9..ee86d3716dc 100644
--- a/drivers/staging/vt6656/usbpipe.h
+++ b/drivers/staging/vt6656/usbpipe.h
@@ -93,7 +93,4 @@ PIPEnsSendBulkOut(
       PUSB_SEND_CONTEXT pContext
     );
 
-#endif // __USBPIPE_H__
-
-
-
+#endif /* __USBPIPE_H__ */
diff --git a/drivers/staging/vt6656/wcmd.h b/drivers/staging/vt6656/wcmd.h
index f3eac035360..a14e56470ea 100644
--- a/drivers/staging/vt6656/wcmd.h
+++ b/drivers/staging/vt6656/wcmd.h
@@ -147,4 +147,4 @@ BSSvSecondTxData(
     );
 #endif
 
-#endif //__WCMD_H__
+#endif /* __WCMD_H__ */
diff --git a/drivers/staging/vt6656/wctl.h b/drivers/staging/vt6656/wctl.h
index a1ac4791bfd..c81dff700e0 100644
--- a/drivers/staging/vt6656/wctl.h
+++ b/drivers/staging/vt6656/wctl.h
@@ -102,7 +102,4 @@ BOOL WCTLbHandleFragment(PSDevice pDevice, PS802_11Header pMACHeader, UINT cbFra
 UINT WCTLuSearchDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
 UINT WCTLuInsertDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
 
-#endif // __WCTL_H__
-
-
-
+#endif /* __WCTL_H__ */
diff --git a/drivers/staging/vt6656/wmgr.h b/drivers/staging/vt6656/wmgr.h
index d554715e2cd..02ecec92bab 100644
--- a/drivers/staging/vt6656/wmgr.h
+++ b/drivers/staging/vt6656/wmgr.h
@@ -498,4 +498,4 @@ vFlush_PMKID_Candidate (
      HANDLE hDeviceContext
     );
 
-#endif // __WMGR_H__
+#endif /* __WMGR_H__ */
diff --git a/drivers/staging/vt6656/wpa.h b/drivers/staging/vt6656/wpa.h
index 661f40d526f..889489adbb8 100644
--- a/drivers/staging/vt6656/wpa.h
+++ b/drivers/staging/vt6656/wpa.h
@@ -81,4 +81,4 @@ WPAb_Is_RSN(
      PWLAN_IE_RSN_EXT pRSN
     );
 
-#endif // __WPA_H__
+#endif /* __WPA_H__ */
diff --git a/drivers/staging/vt6656/wpa2.h b/drivers/staging/vt6656/wpa2.h
index 6026005ca8c..367aecee8b7 100644
--- a/drivers/staging/vt6656/wpa2.h
+++ b/drivers/staging/vt6656/wpa2.h
@@ -75,4 +75,4 @@ WPA2uSetIEs(
     OUT PWLAN_IE_RSN pRSNIEs
     );
 
-#endif // __WPA2_H__
+#endif /* __WPA2_H__ */
diff --git a/drivers/staging/vt6656/wpactl.h b/drivers/staging/vt6656/wpactl.h
index 56179f01311..3a2f15f3f24 100644
--- a/drivers/staging/vt6656/wpactl.h
+++ b/drivers/staging/vt6656/wpactl.h
@@ -66,7 +66,4 @@ int wpa_set_wpadev(PSDevice pDevice, int val);
 int wpa_ioctl(PSDevice pDevice, struct iw_point *p);
 int wpa_set_keys(PSDevice pDevice, void *ctx, BOOL  fcpfkernel);
 
-#endif // __WPACL_H__
-
-
-
+#endif /* __WPACL_H__ */

From 92f2a4c58f8dd8d517360660b94915edb804f125 Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sun, 2 May 2010 09:33:26 +0200
Subject: [PATCH 1095/3638] Staging: winbond: Renamed README to TODO and
 corrected Pavel's mail

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/{README => TODO} | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 rename drivers/staging/winbond/{README => TODO} (90%)

diff --git a/drivers/staging/winbond/README b/drivers/staging/winbond/TODO
similarity index 90%
rename from drivers/staging/winbond/README
rename to drivers/staging/winbond/TODO
index 27710241fc1..8c1baaf6d8a 100644
--- a/drivers/staging/winbond/README
+++ b/drivers/staging/winbond/TODO
@@ -9,4 +9,4 @@ TODO:
 	- fix 4k stack problems
 
 Please send patches to Greg Kroah-Hartman <greg@kroah.com> and
-Pavel Machek <pavel@suse.cz>
+Pavel Machek <pavel@ucw.cz>

From 4212c686381a0ab62601ea7a272e7ff4c2ea4cb7 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <martinez.javier@gmail.com>
Date: Sun, 2 May 2010 13:05:33 -0400
Subject: [PATCH 1096/3638] Staging: adis16255: Fix compile error

This patch solves a compilation error in today linux-next tree.

The adis16255 staging driver Makefile seems to be wrong. I think this patch solves the issue.

Signed-off-by: Javier Martinez Canillas <martinez.javier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/adis16255/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/adis16255/Makefile b/drivers/staging/adis16255/Makefile
index 3f8b1f06b19..8057372d378 100644
--- a/drivers/staging/adis16255/Makefile
+++ b/drivers/staging/adis16255/Makefile
@@ -1 +1 @@
-obj-$(CONFIG_ADIS16255) +�dis16255.o
+obj-$(CONFIG_ADIS16255) += adis1625.o

From 4752e51a1dcab1a17a1ee0b46735465a033d83b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Sun, 2 May 2010 18:29:57 -0700
Subject: [PATCH 1097/3638] Staging: crystalhd: Cleanup all WIN* references
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/TODO           |  1 -
 drivers/staging/crystalhd/bc_dts_defs.h  |  4 ++--
 drivers/staging/crystalhd/bc_dts_types.h | 23 -----------------------
 3 files changed, 2 insertions(+), 26 deletions(-)

diff --git a/drivers/staging/crystalhd/TODO b/drivers/staging/crystalhd/TODO
index 69be5d0cb80..daca2d4d2a2 100644
--- a/drivers/staging/crystalhd/TODO
+++ b/drivers/staging/crystalhd/TODO
@@ -1,7 +1,6 @@
 - Testing
 - Cleanup return codes
 - Cleanup typedefs
-- Cleanup all WIN* references
 - Allocate an Accelerator device class specific Major number,
   since we don't have any other open sourced accelerators, it is the only
   one in that category for now.
diff --git a/drivers/staging/crystalhd/bc_dts_defs.h b/drivers/staging/crystalhd/bc_dts_defs.h
index c34cc07127b..f9dd0e3e240 100644
--- a/drivers/staging/crystalhd/bc_dts_defs.h
+++ b/drivers/staging/crystalhd/bc_dts_defs.h
@@ -238,7 +238,7 @@ typedef struct _BC_PIB_EXT_VC1 {
 /*------------------------------------------------------*
  *    Picture Information Block				*
  *------------------------------------------------------*/
-#if defined(_WIN32) || defined(_WIN64) || defined(__LINUX_USER__)
+#if defined(__LINUX_USER__)
 /* Values for 'pulldown' field.  '0' means no pulldown information
  * was present for this picture. */
 enum {
@@ -358,7 +358,7 @@ enum {
 
 #define VDEC_FLAG_PICTURE_META_DATA_PRESENT	(0x40000)
 
-#endif /* _WIN32 || _WIN64 */
+#endif /* __LINUX_USER__ */
 
 enum _BC_OUTPUT_FORMAT {
 	MODE420				= 0x0,
diff --git a/drivers/staging/crystalhd/bc_dts_types.h b/drivers/staging/crystalhd/bc_dts_types.h
index 95a2f875f1e..6fd8089415d 100644
--- a/drivers/staging/crystalhd/bc_dts_types.h
+++ b/drivers/staging/crystalhd/bc_dts_types.h
@@ -29,15 +29,6 @@
 #include <stdint.h>
 #endif
 
-#if defined(_WIN64) || defined(_WIN32)
-typedef uint32_t		U32;
-typedef int32_t			S32;
-typedef uint16_t		U16;
-typedef int16_t			S16;
-typedef unsigned char		U8;
-typedef char			S8;
-#endif
-
 #ifndef PVOID
 typedef void	*PVOID;
 #endif
@@ -46,20 +37,6 @@ typedef void	*PVOID;
 typedef int	BOOL;
 #endif
 
-#ifdef WIN32
-    typedef unsigned __int64	U64;
-#elif defined(_WIN64)
-    typedef uint64_t U64;
-#endif
-
-#ifdef _WIN64
-#if !(defined(POINTER_32))
-#define POINTER_32	__ptr32
-#endif
-#else	/* _WIN32 */
-#define POINTER_32
-#endif
-
 #if defined(__KERNEL__) || defined(__LINUX_USER__)
 
 #ifdef __LINUX_USER__	/* Don't include these for KERNEL */

From 3b87d0aa352a3eec3f5a032aa9d6f2ac46e7a74c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Sun, 2 May 2010 18:50:16 -0700
Subject: [PATCH 1098/3638] Staging: crystalhd: remove unused #include
 <linux/version.h>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/crystalhd_misc.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/crystalhd/crystalhd_misc.h b/drivers/staging/crystalhd/crystalhd_misc.h
index a2aa6ad7fc8..84331cd3327 100644
--- a/drivers/staging/crystalhd/crystalhd_misc.h
+++ b/drivers/staging/crystalhd/crystalhd_misc.h
@@ -34,7 +34,6 @@
 #include <linux/string.h>
 #include <linux/ioctl.h>
 #include <linux/dma-mapping.h>
-#include <linux/version.h>
 #include <linux/sched.h>
 #include <asm/system.h>
 #include "bc_dts_glob_lnx.h"

From b8c623e5dde98a00ada4af47bec92a708794c573 Mon Sep 17 00:00:00 2001
From: Iain Churcher <iain.linux.coding@googlemail.com>
Date: Mon, 3 May 2010 10:35:37 +0100
Subject: [PATCH 1099/3638] Staging: comedi: Fix Checkpatch.pl issues in
 mpc624.c

This patch resolves all checkpatch.pl issues in the mpc624.c file

Signed-off-by: Iain Churcher <iain.linux.coding@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/mpc624.c | 185 +++++++++++++-----------
 1 file changed, 104 insertions(+), 81 deletions(-)

diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c
index 12e72c82815..9874ac3749c 100644
--- a/drivers/staging/comedi/drivers/mpc624.c
+++ b/drivers/staging/comedi/drivers/mpc624.c
@@ -40,20 +40,20 @@ Status: working
 Configuration Options:
   [0] - I/O base address
   [1] - convertion rate
-            Convertion rate  RMS noise  Effective Number Of Bits
-         0      3.52kHz        23uV                17
-         1      1.76kHz       3.5uV                20
-         2       880Hz         2uV                21.3
-         3       440Hz        1.4uV               21.8
-         4       220Hz         1uV                22.4
-         5       110Hz        750uV               22.9
-         6       55Hz         510nV               23.4
-         7      27.5Hz        375nV                24
-         8      13.75Hz       250nV               24.4
-         9      6.875Hz       200nV               24.6
-   [2] - voltage range
-         0      -1.01V .. +1.01V
-         1      -10.1V .. +10.1V
+	Convertion rate  RMS noise  Effective Number Of Bits
+	0      3.52kHz        23uV                17
+	1      1.76kHz       3.5uV                20
+	2       880Hz         2uV                21.3
+	3       440Hz        1.4uV               21.8
+	4       220Hz         1uV                22.4
+	5       110Hz        750uV               22.9
+	6       55Hz         510nV               23.4
+	7      27.5Hz        375nV                24
+	8      13.75Hz       250nV               24.4
+	9      6.875Hz       200nV               24.6
+  [2] - voltage range
+	0      -1.01V .. +1.01V
+	1      -10.1V .. +10.1V
 */
 
 #include "../comedidev.h"
@@ -65,13 +65,13 @@ Configuration Options:
 #define MPC624_SIZE             16
 
 /* Offsets of different ports */
-#define MPC624_MASTER_CONTROL	0	/*  not used */
-#define MPC624_GNMUXCH          1	/*  Gain, Mux, Channel of ADC */
-#define MPC624_ADC              2	/*  read/write to/from ADC */
-#define MPC624_EE               3	/*  read/write to/from serial EEPROM via I2C */
-#define MPC624_LEDS             4	/*  write to LEDs */
-#define MPC624_DIO              5	/*  read/write to/from digital I/O ports */
-#define MPC624_IRQ_MASK         6	/*  IRQ masking enable/disable */
+#define MPC624_MASTER_CONTROL	0 /* not used */
+#define MPC624_GNMUXCH          1 /* Gain, Mux, Channel of ADC */
+#define MPC624_ADC              2 /* read/write to/from ADC */
+#define MPC624_EE               3 /* read/write to/from serial EEPROM via I2C */
+#define MPC624_LEDS             4 /* write to LEDs */
+#define MPC624_DIO              5 /* read/write to/from digital I/O ports */
+#define MPC624_IRQ_MASK         6 /* IRQ masking enable/disable */
 
 /* Register bits' names */
 #define MPC624_ADBUSY           (1<<5)
@@ -109,24 +109,27 @@ Configuration Options:
  * ^ - Effective Number Of Bits
  */
 
-#define MPC624_SPEED_3_52_kHz   (MPC624_OSR4                                           | MPC624_OSR0)
-#define MPC624_SPEED_1_76_kHz   (MPC624_OSR4                             | MPC624_OSR1)
-#define MPC624_SPEED_880_Hz     (MPC624_OSR4                             | MPC624_OSR1 | MPC624_OSR0)
-#define MPC624_SPEED_440_Hz     (MPC624_OSR4               | MPC624_OSR2)
-#define MPC624_SPEED_220_Hz     (MPC624_OSR4               | MPC624_OSR2               | MPC624_OSR0)
-#define MPC624_SPEED_110_Hz     (MPC624_OSR4               | MPC624_OSR2 | MPC624_OSR1)
-#define MPC624_SPEED_55_Hz      (MPC624_OSR4               | MPC624_OSR2 | MPC624_OSR1 | MPC624_OSR0)
-#define MPC624_SPEED_27_5_Hz    (MPC624_OSR4 | MPC624_OSR3)
-#define MPC624_SPEED_13_75_Hz   (MPC624_OSR4 | MPC624_OSR3                             | MPC624_OSR0)
-#define MPC624_SPEED_6_875_Hz   (MPC624_OSR4 | MPC624_OSR3 | MPC624_OSR2 | MPC624_OSR1 | MPC624_OSR0)
-/* ---------------------------------------------------------------------------- */
+#define MPC624_SPEED_3_52_kHz (MPC624_OSR4 | MPC624_OSR0)
+#define MPC624_SPEED_1_76_kHz (MPC624_OSR4 | MPC624_OSR1)
+#define MPC624_SPEED_880_Hz   (MPC624_OSR4 | MPC624_OSR1 | MPC624_OSR0)
+#define MPC624_SPEED_440_Hz   (MPC624_OSR4 | MPC624_OSR2)
+#define MPC624_SPEED_220_Hz   (MPC624_OSR4 | MPC624_OSR2 | MPC624_OSR0)
+#define MPC624_SPEED_110_Hz   (MPC624_OSR4 | MPC624_OSR2 | MPC624_OSR1)
+#define MPC624_SPEED_55_Hz \
+	(MPC624_OSR4 | MPC624_OSR2 | MPC624_OSR1 | MPC624_OSR0)
+#define MPC624_SPEED_27_5_Hz  (MPC624_OSR4 | MPC624_OSR3)
+#define MPC624_SPEED_13_75_Hz (MPC624_OSR4 | MPC624_OSR3 | MPC624_OSR0)
+#define MPC624_SPEED_6_875_Hz \
+	(MPC624_OSR4 | MPC624_OSR3 | MPC624_OSR2 | MPC624_OSR1 | MPC624_OSR0)
+/* -------------------------------------------------------------------------- */
 struct skel_private {
 
-	unsigned long int ulConvertionRate;	/*  set by mpc624_attach() from driver's parameters */
+	/*  set by mpc624_attach() from driver's parameters */
+	unsigned long int ulConvertionRate;
 };
 
 #define devpriv ((struct skel_private *)dev->private)
-/* ---------------------------------------------------------------------------- */
+/* -------------------------------------------------------------------------- */
 static const struct comedi_lrange range_mpc624_bipolar1 = {
 	1,
 	{
@@ -145,11 +148,11 @@ static const struct comedi_lrange range_mpc624_bipolar10 = {
 	 }
 };
 
-/* ---------------------------------------------------------------------------- */
+/* -------------------------------------------------------------------------- */
 static int mpc624_attach(struct comedi_device *dev,
 			 struct comedi_devconfig *it);
 static int mpc624_detach(struct comedi_device *dev);
-/* ---------------------------------------------------------------------------- */
+/* -------------------------------------------------------------------------- */
 static struct comedi_driver driver_mpc624 = {
 	.driver_name = "mpc624",
 	.module = THIS_MODULE,
@@ -157,20 +160,20 @@ static struct comedi_driver driver_mpc624 = {
 	.detach = mpc624_detach
 };
 
-/* ---------------------------------------------------------------------------- */
+/* -------------------------------------------------------------------------- */
 static int mpc624_ai_rinsn(struct comedi_device *dev,
 			   struct comedi_subdevice *s, struct comedi_insn *insn,
 			   unsigned int *data);
-/* ---------------------------------------------------------------------------- */
+/* -------------------------------------------------------------------------- */
 static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
 	struct comedi_subdevice *s;
 	unsigned long iobase;
 
 	iobase = it->options[0];
-	printk("comedi%d: mpc624 [0x%04lx, ", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: mpc624 [0x%04lx, ", dev->minor, iobase);
 	if (request_region(iobase, MPC624_SIZE, "mpc624") == NULL) {
-		printk("I/O port(s) in use\n");
+		printk(KERN_ERR "I/O port(s) in use\n");
 		return -EIO;
 	}
 
@@ -184,47 +187,48 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	switch (it->options[1]) {
 	case 0:
 		devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz;
-		printk("3.52 kHz, ");
+		printk(KERN_INFO "3.52 kHz, ");
 		break;
 	case 1:
 		devpriv->ulConvertionRate = MPC624_SPEED_1_76_kHz;
-		printk("1.76 kHz, ");
+		printk(KERN_INFO "1.76 kHz, ");
 		break;
 	case 2:
 		devpriv->ulConvertionRate = MPC624_SPEED_880_Hz;
-		printk("880 Hz, ");
+		printk(KERN_INFO "880 Hz, ");
 		break;
 	case 3:
 		devpriv->ulConvertionRate = MPC624_SPEED_440_Hz;
-		printk("440 Hz, ");
+		printk(KERN_INFO "440 Hz, ");
 		break;
 	case 4:
 		devpriv->ulConvertionRate = MPC624_SPEED_220_Hz;
-		printk("220 Hz, ");
+		printk(KERN_INFO "220 Hz, ");
 		break;
 	case 5:
 		devpriv->ulConvertionRate = MPC624_SPEED_110_Hz;
-		printk("110 Hz, ");
+		printk(KERN_INFO "110 Hz, ");
 		break;
 	case 6:
 		devpriv->ulConvertionRate = MPC624_SPEED_55_Hz;
-		printk("55 Hz, ");
+		printk(KERN_INFO "55 Hz, ");
 		break;
 	case 7:
 		devpriv->ulConvertionRate = MPC624_SPEED_27_5_Hz;
-		printk("27.5 Hz, ");
+		printk(KERN_INFO "27.5 Hz, ");
 		break;
 	case 8:
 		devpriv->ulConvertionRate = MPC624_SPEED_13_75_Hz;
-		printk("13.75 Hz, ");
+		printk(KERN_INFO "13.75 Hz, ");
 		break;
 	case 9:
 		devpriv->ulConvertionRate = MPC624_SPEED_6_875_Hz;
-		printk("6.875 Hz, ");
+		printk(KERN_INFO "6.875 Hz, ");
 		break;
 	default:
 		printk
-		    ("illegal convertion rate setting! Valid numbers are 0..9. Using 9 => 6.875 Hz, ");
+		    (KERN_ERR "illegal convertion rate setting!"
+			" Valid numbers are 0..9. Using 9 => 6.875 Hz, ");
 		devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz;
 	}
 
@@ -239,29 +243,29 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	switch (it->options[1]) {
 	default:
 		s->maxdata = 0x3FFFFFFF;
-		printk("30 bit, ");
+		printk(KERN_INFO "30 bit, ");
 	}
 
 	switch (it->options[1]) {
 	case 0:
 		s->range_table = &range_mpc624_bipolar1;
-		printk("1.01V]: ");
+		printk(KERN_INFO "1.01V]: ");
 		break;
 	default:
 		s->range_table = &range_mpc624_bipolar10;
-		printk("10.1V]: ");
+		printk(KERN_INFO "10.1V]: ");
 	}
 	s->len_chanlist = 1;
 	s->insn_read = mpc624_ai_rinsn;
 
-	printk("attached\n");
+	printk(KERN_INFO "attached\n");
 
 	return 1;
 }
 
 static int mpc624_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: mpc624: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: mpc624: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, MPC624_SIZE);
@@ -280,11 +284,14 @@ static int mpc624_ai_rinsn(struct comedi_device *dev,
 	unsigned long int data_in, data_out;
 	unsigned char ucPort;
 
-	/*  WARNING: We always write 0 to GNSWA bit, so the channel range is +-/10.1Vdc */
+	/*
+	 *  WARNING:
+	 *  We always write 0 to GNSWA bit, so the channel range is +-/10.1Vdc
+	 */
 	outb(insn->chanspec, dev->iobase + MPC624_GNMUXCH);
-/* printk("Channel %d: \n", insn->chanspec); */
+/* printk("Channel %d:\n", insn->chanspec); */
 	if (!insn->n) {
-		printk("MPC624: Warning, no data to acquire\n");
+		printk(KERN_INFO "MPC624: Warning, no data to acquire\n");
 		return 0;
 	}
 
@@ -306,7 +313,7 @@ static int mpc624_ai_rinsn(struct comedi_device *dev,
 				break;
 		}
 		if (i == TIMEOUT) {
-			printk("MPC624: timeout (%dms)\n", TIMEOUT);
+			printk(KERN_ERR "MPC624: timeout (%dms)\n", TIMEOUT);
 			data[n] = 0;
 			return -ETIMEDOUT;
 		}
@@ -319,7 +326,7 @@ static int mpc624_ai_rinsn(struct comedi_device *dev,
 			outb(0, dev->iobase + MPC624_ADC);
 			udelay(1);
 
-			if (data_out & (1 << 31)) {	/*  the next bit is a 1 */
+			if (data_out & (1 << 31)) { /*  the next bit is a 1 */
 				/*  Set the ADSDI line (send to MPC624) */
 				outb(MPC624_ADSDI, dev->iobase + MPC624_ADC);
 				udelay(1);
@@ -344,31 +351,47 @@ static int mpc624_ai_rinsn(struct comedi_device *dev,
 			data_out <<= 1;
 		}
 
-		/*  Received 32-bit long value consist of: */
-		/*    31: EOC (End Of Transmission) bit - should be 0 */
-		/*    30: DMY (Dummy) bit               - should be 0 */
-		/*    29: SIG (Sign) bit                - 1 if the voltage is positive, 0 if negative */
-		/*    28: MSB (Most Significant Bit)    - the first bit of convertion result */
-		/*    .... */
-		/*    05: LSB (Least Significant Bit)   - the last bit of convertion result */
-		/*    04: sub-LSB                       - sub-LSBs are basically noise, but when */
-		/*    03: sub-LSB                         averaged properly, they can increase convertion */
-		/*    02: sub-LSB                         precision up to 29 bits; they can be discarded */
-		/*    01: sub-LSB                         without loss of resolution. */
-		/*    00: sub-LSB */
+		/*
+		 *  Received 32-bit long value consist of:
+		 *    31: EOC -
+		 *          (End Of Transmission) bit - should be 0
+		 *    30: DMY
+		 *          (Dummy) bit - should be 0
+		 *    29: SIG
+		 *          (Sign) bit- 1 if the voltage is positive,
+		 *                      0 if negative
+		 *    28: MSB
+		 *          (Most Significant Bit) - the first bit of
+		 *                                   the conversion result
+		 *    ....
+		 *    05: LSB
+		 *          (Least Significant Bit)- the last bit of the
+		 *                                   conversion result
+		 *    04-00: sub-LSB
+		 *          - sub-LSBs are basically noise, but when
+		 *            averaged properly, they can increase conversion
+		 *            precision up to 29 bits; they can be discarded
+		 *            without loss of resolution.
+		 */
 
 		if (data_in & MPC624_EOC_BIT)
-			printk("MPC624: EOC bit is set (data_in=%lu)!",
+			printk(KERN_INFO "MPC624:EOC bit is set (data_in=%lu)!",
 			       data_in);
 		if (data_in & MPC624_DMY_BIT)
-			printk("MPC624: DMY bit is set (data_in=%lu)!",
+			printk(KERN_INFO "MPC624:DMY bit is set (data_in=%lu)!",
 			       data_in);
-		if (data_in & MPC624_SGN_BIT) {	/*  check the sign bit *//*  The voltage is positive */
-			data_in &= 0x3FFFFFFF;	/*  EOC and DMY should be 0, but we will mask them out just to be sure */
-			data[n] = data_in;	/*  comedi operates on unsigned numbers, so we don't clear the SGN bit */
-			/*  SGN bit is still set! It's correct, since we're converting to unsigned. */
-		} else {	/*  The voltage is negative */
-			/*  data_in contains a number in 30-bit two's complement code and we must deal with it */
+		if (data_in & MPC624_SGN_BIT) {	/* Volatge is positive */
+			/*
+			 * comedi operates on unsigned numbers, so mask off EOC
+			 * and DMY and don't clear the SGN bit
+			 */
+			data_in &= 0x3FFFFFFF;
+			data[n] = data_in;
+		} else { /*  The voltage is negative */
+			/*
+			 * data_in contains a number in 30-bit two's complement
+			 * code and we must deal with it
+			 */
 			data_in |= MPC624_SGN_BIT;
 			data_in = ~data_in;
 			data_in += 1;

From f0f29184d84bca9e070e48d61ef5ec8f3ff3cde5 Mon Sep 17 00:00:00 2001
From: Mark Rankilor <reodge@gmail.com>
Date: Mon, 3 May 2010 17:39:09 +0800
Subject: [PATCH 1100/3638] Staging: comedi: Moved some EXPORT_SYMBOL() macros

This is a patch to range.c that rearranges some EXPORT_SYMBOL() macros to please
checkpatch.pl

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/range.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index 6b03a69762a..8a1cefd97fd 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -25,16 +25,16 @@
 #include <linux/uaccess.h>
 
 const struct comedi_lrange range_bipolar10 = { 1, {BIP_RANGE(10)} };
-const struct comedi_lrange range_bipolar5 = { 1, {BIP_RANGE(5)} };
-const struct comedi_lrange range_bipolar2_5 = { 1, {BIP_RANGE(2.5)} };
-const struct comedi_lrange range_unipolar10 = { 1, {UNI_RANGE(10)} };
-const struct comedi_lrange range_unipolar5 = { 1, {UNI_RANGE(5)} };
-const struct comedi_lrange range_unknown = { 1, {{0, 1000000, UNIT_none} } };
 EXPORT_SYMBOL(range_bipolar10);
+const struct comedi_lrange range_bipolar5 = { 1, {BIP_RANGE(5)} };
 EXPORT_SYMBOL(range_bipolar5);
+const struct comedi_lrange range_bipolar2_5 = { 1, {BIP_RANGE(2.5)} };
 EXPORT_SYMBOL(range_bipolar2_5);
+const struct comedi_lrange range_unipolar10 = { 1, {UNI_RANGE(10)} };
 EXPORT_SYMBOL(range_unipolar10);
+const struct comedi_lrange range_unipolar5 = { 1, {UNI_RANGE(5)} };
 EXPORT_SYMBOL(range_unipolar5);
+const struct comedi_lrange range_unknown = { 1, {{0, 1000000, UNIT_none} } };
 EXPORT_SYMBOL(range_unknown);
 
 /*

From aad4029a49e17d8529b8b802d4ecd774ef941f7c Mon Sep 17 00:00:00 2001
From: Mark Rankilor <reodge@gmail.com>
Date: Mon, 3 May 2010 18:07:36 +0800
Subject: [PATCH 1101/3638] Staging: comedi: Adjusted some long line lengths in
 drivers.c

This patch fixes some long line lengths in drivers.c that checkpatch.pl was
complaining about

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index d7a45091740..a8f3d790b3d 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -172,7 +172,8 @@ attached:
 	}
 
 	if (!dev->board_name) {
-		printk(KERN_WARNING "BUG: dev->board_name=<%p>\n", dev->board_name);
+		printk(KERN_WARNING "BUG: dev->board_name=<%p>\n",
+		       dev->board_name);
 		dev->board_name = "BUG";
 	}
 	smp_wmb();
@@ -374,8 +375,9 @@ static int insn_rw_emulate_bits(struct comedi_device *dev,
 	if (insn->insn == INSN_WRITE) {
 		if (!(s->subdev_flags & SDF_WRITABLE))
 			return -EINVAL;
-		new_data[0] = 1 << (chan - base_bitfield_channel);	/* mask */
-		new_data[1] = data[0] ? (1 << (chan - base_bitfield_channel)) : 0;	/* bits */
+		new_data[0] = 1 << (chan - base_bitfield_channel); /* mask */
+		new_data[1] = data[0] ? (1 << (chan - base_bitfield_channel))
+			      : 0; /* bits */
 	}
 
 	ret = s->insn_bits(dev, s, &new_insn, new_data);

From 3b9fdcd5e85104e622c0ec5f626c81b831ddfae2 Mon Sep 17 00:00:00 2001
From: Iain Churcher <iain.linux.coding@googlemail.com>
Date: Mon, 3 May 2010 11:54:53 +0100
Subject: [PATCH 1102/3638] Staging: comedi: Fix all checkpatch.pl issues in
 dt2811.c

Patch resolves all checkpatch.pl isues in dt2811.c

Signed-off-by: Iain Churcher <iain.linux.coding@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/dt2811.c | 191 ++++++++++--------------
 1 file changed, 76 insertions(+), 115 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c
index 51ef695698a..ea9bfb7fd88 100644
--- a/drivers/staging/comedi/drivers/dt2811.c
+++ b/drivers/staging/comedi/drivers/dt2811.c
@@ -34,13 +34,13 @@ Configuration options:
   [0] - I/O port base address
   [1] - IRQ, although this is currently unused
   [2] - A/D reference
-          0 = signle-ended
-          1 = differential
+	  0 = signle-ended
+	  1 = differential
 	  2 = pseudo-differential (common reference)
   [3] - A/D range
-          0 = [-5,5]
-	  1 = [-2.5,2.5]
-	  2 = [0,5]
+	  0 = [-5, 5]
+	  1 = [-2.5, 2.5]
+	  2 = [0, 5]
   [4] - D/A 0 range (same choices)
   [4] - D/A 1 range (same choices)
 */
@@ -52,96 +52,58 @@ Configuration options:
 
 static const char *driver_name = "dt2811";
 
-static const struct comedi_lrange range_dt2811_pgh_ai_5_unipolar = { 4, {
-									 RANGE
-									 (0, 5),
-									 RANGE
-									 (0,
-									  2.5),
-									 RANGE
-									 (0,
-									  1.25),
-									 RANGE
-									 (0,
-									  0.625)
-									 }
+static const struct comedi_lrange range_dt2811_pgh_ai_5_unipolar = {
+	4, {
+		RANGE(0, 5),
+		RANGE(0, 2.5),
+		RANGE(0, 1.25),
+		RANGE(0, 0.625)
+	}
 };
 
-static const struct comedi_lrange range_dt2811_pgh_ai_2_5_bipolar = { 4, {
-									  RANGE
-									  (-2.5,
-									   2.5),
-									  RANGE
-									  (-1.25,
-									   1.25),
-									  RANGE
-									  (-0.625,
-									   0.625),
-									  RANGE
-									  (-0.3125,
-									   0.3125)
-									  }
+static const struct comedi_lrange range_dt2811_pgh_ai_2_5_bipolar = {
+	4, {
+		RANGE(-2.5, 2.5),
+		RANGE(-1.25, 1.25),
+		RANGE(-0.625, 0.625),
+		RANGE(-0.3125, 0.3125)
+	}
 };
 
-static const struct comedi_lrange range_dt2811_pgh_ai_5_bipolar = { 4, {
-									RANGE
-									(-5, 5),
-									RANGE
-									(-2.5,
-									 2.5),
-									RANGE
-									(-1.25,
-									 1.25),
-									RANGE
-									(-0.625,
-									 0.625)
-									}
+static const struct comedi_lrange range_dt2811_pgh_ai_5_bipolar = {
+	4, {
+		RANGE(-5, 5),
+		RANGE(-2.5, 2.5),
+		RANGE(-1.25, 1.25),
+		RANGE(-0.625, 0.625)
+	}
 };
 
-static const struct comedi_lrange range_dt2811_pgl_ai_5_unipolar = { 4, {
-									 RANGE
-									 (0, 5),
-									 RANGE
-									 (0,
-									  0.5),
-									 RANGE
-									 (0,
-									  0.05),
-									 RANGE
-									 (0,
-									  0.01)
-									 }
+static const struct comedi_lrange range_dt2811_pgl_ai_5_unipolar = {
+	4, {
+		RANGE(0, 5),
+		RANGE(0, 0.5),
+		RANGE(0, 0.05),
+		RANGE(0, 0.01)
+	}
 };
 
-static const struct comedi_lrange range_dt2811_pgl_ai_2_5_bipolar = { 4, {
-									  RANGE
-									  (-2.5,
-									   2.5),
-									  RANGE
-									  (-0.25,
-									   0.25),
-									  RANGE
-									  (-0.025,
-									   0.025),
-									  RANGE
-									  (-0.005,
-									   0.005)
-									  }
+static const struct comedi_lrange range_dt2811_pgl_ai_2_5_bipolar = {
+	4, {
+		RANGE(-2.5, 2.5),
+		RANGE(-0.25, 0.25),
+		RANGE(-0.025, 0.025),
+		RANGE(-0.005, 0.005)
+	}
 };
 
-static const struct comedi_lrange range_dt2811_pgl_ai_5_bipolar = { 4, {
-									RANGE
-									(-5, 5),
-									RANGE
-									(-0.5,
-									 0.5),
-									RANGE
-									(-0.05,
-									 0.05),
-									RANGE
-									(-0.01,
-									 0.01)
-									}
+static const struct comedi_lrange range_dt2811_pgl_ai_5_bipolar = {
+	4, {
+		RANGE(-5, 5),
+		RANGE(-0.5, 0.5),
+		RANGE(-0.05, 0.05),
+		RANGE(-0.01, 0.01)
+	}
 };
 
 /*
@@ -348,21 +310,21 @@ static irqreturn_t dt2811_interrupt(int irq, void *d)
   options[0]   Board base address
   options[1]   IRQ
   options[2]   Input configuration
-                 0 == single-ended
-                 1 == differential
-                 2 == pseudo-differential
+		 0 == single-ended
+		 1 == differential
+		 2 == pseudo-differential
   options[3]   Analog input range configuration
-                 0 == bipolar 5  (-5V -- +5V)
-                 1 == bipolar 2.5V  (-2.5V -- +2.5V)
-                 2 == unipolar 5V  (0V -- +5V)
+		 0 == bipolar 5  (-5V -- +5V)
+		 1 == bipolar 2.5V  (-2.5V -- +2.5V)
+		 2 == unipolar 5V  (0V -- +5V)
   options[4]   Analog output 0 range configuration
-                 0 == bipolar 5  (-5V -- +5V)
-                 1 == bipolar 2.5V  (-2.5V -- +2.5V)
-                 2 == unipolar 5V  (0V -- +5V)
+		 0 == bipolar 5  (-5V -- +5V)
+		 1 == bipolar 2.5V  (-2.5V -- +2.5V)
+		 2 == unipolar 5V  (0V -- +5V)
   options[5]   Analog output 1 range configuration
-                 0 == bipolar 5  (-5V -- +5V)
-                 1 == bipolar 2.5V  (-2.5V -- +2.5V)
-                 2 == unipolar 5V  (0V -- +5V)
+		 0 == bipolar 5  (-5V -- +5V)
+		 1 == bipolar 2.5V  (-2.5V -- +2.5V)
+		 2 == unipolar 5V  (0V -- +5V)
 */
 
 static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it)
@@ -377,10 +339,10 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	iobase = it->options[0];
 
-	printk("comedi%d: dt2811: base=0x%04lx\n", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: dt2811:base=0x%04lx\n", dev->minor, iobase);
 
 	if (!request_region(iobase, DT2811_SIZE, driver_name)) {
-		printk("I/O port conflict\n");
+		printk(KERN_ERR "I/O port conflict\n");
 		return -EIO;
 	}
 
@@ -410,25 +372,25 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		irq = probe_irq_off(irqs);
 		restore_flags(flags);
 
-		/*outb(DT2811_CLRERROR|DT2811_INTENB,dev->iobase+DT2811_ADCSR); */
+		/*outb(DT2811_CLRERROR|DT2811_INTENB,
+			dev->iobase+DT2811_ADCSR);*/
 
-		if (inb(dev->iobase + DT2811_ADCSR) & DT2811_ADERROR) {
-			printk("error probing irq (bad) \n");
-		}
+		if (inb(dev->iobase + DT2811_ADCSR) & DT2811_ADERROR)
+			printk(KERN_ERR "error probing irq (bad)\n");
 		dev->irq = 0;
 		if (irq > 0) {
 			i = inb(dev->iobase + DT2811_ADDATLO);
 			i = inb(dev->iobase + DT2811_ADDATHI);
-			printk("(irq = %d)\n", irq);
+			printk(KERN_INFO "(irq = %d)\n", irq);
 			ret = request_irq(irq, dt2811_interrupt, 0,
 					  driver_name, dev);
 			if (ret < 0)
 				return -EIO;
 			dev->irq = irq;
 		} else if (irq == 0) {
-			printk("(no irq)\n");
+			printk(KERN_INFO "(no irq)\n");
 		} else {
-			printk("( multiple irq's -- this is bad! )\n");
+			printk(KERN_ERR "( multiple irq's -- this is bad! )\n");
 		}
 	}
 #endif
@@ -540,14 +502,12 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 static int dt2811_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: dt2811: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: dt2811: remove\n", dev->minor);
 
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
-	if (dev->iobase) {
+	if (dev->iobase)
 		release_region(dev->iobase, DT2811_SIZE);
-	}
 
 	return 0;
 }
@@ -579,7 +539,7 @@ static int dt2811_ai_insn(struct comedi_device *dev, struct comedi_subdevice *s,
 #if 0
 /* Wow.  This is code from the Comedi stone age.  But it hasn't been
  * replaced, so I'll let it stay. */
-int dt2811_adtrig(kdev_t minor, comedi_adtrig * adtrig)
+int dt2811_adtrig(kdev_t minor, comedi_adtrig *adtrig)
 {
 	struct comedi_device *dev = comedi_devices + minor;
 
@@ -589,8 +549,10 @@ int dt2811_adtrig(kdev_t minor, comedi_adtrig * adtrig)
 	switch (dev->i_admode) {
 	case COMEDI_MDEMAND:
 		dev->ntrig = adtrig->n - 1;
+		/* not neccessary */
 		/*printk("dt2811: AD soft trigger\n"); */
-		/*outb(DT2811_CLRERROR|DT2811_INTENB,dev->iobase+DT2811_ADCSR); *//* not neccessary */
+		/*outb(DT2811_CLRERROR|DT2811_INTENB,
+			dev->iobase+DT2811_ADCSR); */
 		outb(dev->curadchan, dev->iobase + DT2811_ADGCR);
 		do_gettimeofday(&trigtime);
 		break;
@@ -630,9 +592,8 @@ static int dt2811_ao_insn_read(struct comedi_device *dev,
 
 	chan = CR_CHAN(insn->chanspec);
 
-	for (i = 0; i < insn->n; i++) {
+	for (i = 0; i < insn->n; i++)
 		data[i] = devpriv->ao_readback[chan];
-	}
 
 	return i;
 }

From e6e4d05d4d440f1989f696baa146263957593345 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 3 May 2010 11:02:44 -0700
Subject: [PATCH 1103/3638] Staging: cxt1e1: fix cxt1e1 module names

On Mon, 2010-05-03 at 10:09 -0700, Randy Dunlap wrote:
> Lots of cxt1e1 source code uses THIS_MODULE->name, which won't build
> when CONFIG_MODULES is not enabled, so use KBUILD_MODNAME instead.

Perhaps a conversion to pr_<level> is better?

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/cxt1e1/functions.c           |  4 ++-
 drivers/staging/cxt1e1/hwprobe.c             | 28 ++++++++-------
 drivers/staging/cxt1e1/linux.c               | 38 ++++++++++----------
 drivers/staging/cxt1e1/musycc.c              | 13 +++----
 drivers/staging/cxt1e1/pmcc4_drv.c           | 16 +++++----
 drivers/staging/cxt1e1/sbecom_inline_linux.h |  2 +-
 drivers/staging/cxt1e1/sbeproc.c             |  8 ++---
 7 files changed, 58 insertions(+), 51 deletions(-)

diff --git a/drivers/staging/cxt1e1/functions.c b/drivers/staging/cxt1e1/functions.c
index c95c62dfb04..738129d62bb 100644
--- a/drivers/staging/cxt1e1/functions.c
+++ b/drivers/staging/cxt1e1/functions.c
@@ -11,6 +11,8 @@
  *   GNU General Public License for more details.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/slab.h>
 #include <asm/io.h>
 #include <asm/byteorder.h>
@@ -117,7 +119,7 @@ watchdog_func (unsigned long arg)
     if (drvr_state != SBE_DRVR_AVAILABLE)
     {
         if (log_level >= LOG_MONITOR)
-            printk (KERN_WARNING "watchdog_func: drvr not available (%x)\n", drvr_state);
+            pr_warning("%s: drvr not available (%x)\n", __func__, drvr_state);
         return;
     }
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
diff --git a/drivers/staging/cxt1e1/hwprobe.c b/drivers/staging/cxt1e1/hwprobe.c
index 0f9d6539a9a..571fa1f7ddb 100644
--- a/drivers/staging/cxt1e1/hwprobe.c
+++ b/drivers/staging/cxt1e1/hwprobe.c
@@ -12,6 +12,8 @@
  *   GNU General Public License for more details.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/netdevice.h>
 #include <linux/hdlc.h>
 #include <linux/if_arp.h>
@@ -230,7 +232,7 @@ c4_hdw_init (struct pci_dev * pdev, int found)
     /* our MUSYCC chip supports two functions, 0 & 1 */
     if ((fun = PCI_FUNC (pdev->devfn)) > 1)
     {
-        printk (KERN_WARNING "%s: unexpected devfun: 0x%x\n", THIS_MODULE->name, pdev->devfn);
+        pr_warning("unexpected devfun: 0x%x\n", pdev->devfn);
         return 0;
     }
     if (pdev->bus)                  /* obtain bus number */
@@ -259,8 +261,7 @@ c4_hdw_init (struct pci_dev * pdev, int found)
     if (i == MAX_BOARDS)            /* no match in above loop means MAX
                                      * exceeded */
     {
-        printk (KERN_WARNING "%s: exceeded number of allowed devices (>%d)?\n",
-                THIS_MODULE->name, MAX_BOARDS);
+        pr_warning("exceeded number of allowed devices (>%d)?\n", MAX_BOARDS);
         return 0;
     }
     if (pdev->bus)
@@ -319,7 +320,7 @@ c4hw_attach_all (void)
     }
     if (!found)
     {
-        printk (KERN_WARNING "%s: No boards found.\n", THIS_MODULE->name);
+        pr_warning("No boards found\n");
         return ENODEV;
     }
     /* sanity check for consistant hardware found */
@@ -327,7 +328,8 @@ c4hw_attach_all (void)
     {
         if (hi->pci_slot != 0xff && (!hi->addr[0] || !hi->addr[1]))
         {
-            printk (KERN_WARNING "%s: something very wrong with pci_get_device.\n", hi->devname);
+            pr_warning("%s: something very wrong with pci_get_device\n",
+                       hi->devname);
             return EIO;
         }
     }
@@ -340,22 +342,22 @@ c4hw_attach_all (void)
         {
             if (request_mem_region (hi->addr[j], hi->len[j], hi->devname) == 0)
             {
-                printk (KERN_WARNING "%s: memory in use, addr=0x%lx, len=0x%lx ?\n",
-                        hi->devname, hi->addr[j], hi->len[j]);
+                pr_warning("%s: memory in use, addr=0x%lx, len=0x%lx ?\n",
+                           hi->devname, hi->addr[j], hi->len[j]);
                 cleanup_ioremap ();
                 return ENOMEM;
             }
             hi->addr_mapped[j] = (unsigned long) ioremap (hi->addr[j], hi->len[j]);
             if (!hi->addr_mapped[j])
             {
-                printk (KERN_WARNING "%s: ioremap fails, addr=0x%lx, len=0x%lx ?\n",
-                        hi->devname, hi->addr[j], hi->len[j]);
+                pr_warning("%s: ioremap fails, addr=0x%lx, len=0x%lx ?\n",
+                           hi->devname, hi->addr[j], hi->len[j]);
                 cleanup_ioremap ();
                 return ENOMEM;
             }
 #ifdef SBE_MAP_DEBUG
-            printk (KERN_WARNING "%s: io remapped from phys %x to virt %x\n",
-                    hi->devname, (u_int32_t) hi->addr[j], (u_int32_t) hi->addr_mapped[j]);
+            pr_warning("%s: io remapped from phys %x to virt %x\n",
+                       hi->devname, (u_int32_t) hi->addr[j], (u_int32_t) hi->addr_mapped[j]);
 #endif
         }
     }
@@ -371,8 +373,8 @@ c4hw_attach_all (void)
             pci_enable_device (hi->pdev[1]))
         {
             drvr_state = SBE_DRVR_DOWN;
-            printk (KERN_WARNING "%s: failed to enable card %d slot %d\n",
-                    hi->devname, i, hi->pci_slot);
+            pr_warning("%s: failed to enable card %d slot %d\n",
+                       hi->devname, i, hi->pci_slot);
             cleanup_devs ();
             cleanup_ioremap ();
             return EIO;
diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c
index aee7018f9d3..ce2942c097a 100644
--- a/drivers/staging/cxt1e1/linux.c
+++ b/drivers/staging/cxt1e1/linux.c
@@ -12,6 +12,8 @@
  *   GNU General Public License for more details.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/types.h>
 #include <linux/netdevice.h>
 #include <linux/hdlc.h>
@@ -563,13 +565,13 @@ create_chan (struct net_device * ndev, ci_t * ci,
         priv = OS_kmalloc (sizeof (struct c4_priv));
         if (!priv)
         {
-            printk (KERN_WARNING "%s: no memory for net_device !\n", ci->devname);
+            pr_warning("%s: no memory for net_device !\n", ci->devname);
             return 0;
         }
         dev = alloc_hdlcdev (priv);
         if (!dev)
         {
-            printk (KERN_WARNING "%s: no memory for hdlc_device !\n", ci->devname);
+            pr_warning("%s: no memory for hdlc_device !\n", ci->devname);
             OS_kfree (priv);
             return 0;
         }
@@ -1111,7 +1113,7 @@ c4_add_dev (hdw_info_t * hi, int brdno, unsigned long f0, unsigned long f1,
     ndev = alloc_netdev(sizeof(ci_t), SBE_IFACETMPL, c4_setup);
     if (!ndev)
     {
-        printk (KERN_WARNING "%s: no memory for struct net_device !\n", hi->devname);
+        pr_warning("%s: no memory for struct net_device !\n", hi->devname);
         error_flag = ENOMEM;
         return 0;
     }
@@ -1177,8 +1179,7 @@ c4_add_dev (hdw_info_t * hi, int brdno, unsigned long f0, unsigned long f1,
 #endif
                      ndev->name, ndev))
     {
-        printk (KERN_WARNING "%s: MUSYCC could not get irq: %d\n",
-                ndev->name, irq0);
+        pr_warning("%s: MUSYCC could not get irq: %d\n", ndev->name, irq0);
         unregister_netdev (ndev);
         OS_kfree (netdev_priv(ndev));
         OS_kfree (ndev);
@@ -1188,8 +1189,7 @@ c4_add_dev (hdw_info_t * hi, int brdno, unsigned long f0, unsigned long f1,
 #ifdef CONFIG_SBE_PMCC4_NCOMM
     if (request_irq (irq1, &c4_ebus_interrupt, IRQF_SHARED, ndev->name, ndev))
     {
-        printk (KERN_WARNING "%s: EBUS could not get irq: %d\n",
-                hi->devname, irq1);
+        pr_warning("%s: EBUS could not get irq: %d\n", hi->devname, irq1);
         unregister_netdev (ndev);
         free_irq (irq0, ndev);
         OS_kfree (netdev_priv(ndev));
@@ -1263,33 +1263,33 @@ c4_mod_init (void)
 {
     int         rtn;
 
-    printk (KERN_WARNING "%s: %s\n", THIS_MODULE->name, pmcc4_OSSI_release);
+    pr_warning("%s\n", pmcc4_OSSI_release);
     if ((rtn = c4hw_attach_all ()))
         return -rtn;                /* installation failure - see system log */
 
     /* housekeeping notifications */
     if (log_level != log_level_default)
-        printk (KERN_INFO "%s NOTE: driver parameter <log_level> changed from default %d to %d.\n",
-                THIS_MODULE->name, log_level_default, log_level);
+        pr_info("NOTE: driver parameter <log_level> changed from default %d to %d.\n",
+                log_level_default, log_level);
     if (max_mru != max_mru_default)
-        printk (KERN_INFO "%s NOTE: driver parameter <max_mru> changed from default %d to %d.\n",
-                THIS_MODULE->name, max_mru_default, max_mru);
+        pr_info("NOTE: driver parameter <max_mru> changed from default %d to %d.\n",
+                max_mru_default, max_mru);
     if (max_mtu != max_mtu_default)
-        printk (KERN_INFO "%s NOTE: driver parameter <max_mtu> changed from default %d to %d.\n",
-                THIS_MODULE->name, max_mtu_default, max_mtu);
+        pr_info("NOTE: driver parameter <max_mtu> changed from default %d to %d.\n",
+                max_mtu_default, max_mtu);
     if (max_rxdesc_used != max_rxdesc_default)
     {
         if (max_rxdesc_used > 2000)
             max_rxdesc_used = 2000; /* out-of-bounds reset */
-        printk (KERN_INFO "%s NOTE: driver parameter <max_rxdesc_used> changed from default %d to %d.\n",
-                THIS_MODULE->name, max_rxdesc_default, max_rxdesc_used);
+        pr_info("NOTE: driver parameter <max_rxdesc_used> changed from default %d to %d.\n",
+                max_rxdesc_default, max_rxdesc_used);
     }
     if (max_txdesc_used != max_txdesc_default)
     {
         if (max_txdesc_used > 1000)
             max_txdesc_used = 1000; /* out-of-bounds reset */
-        printk (KERN_INFO "%s NOTE: driver parameter <max_txdesc_used> changed from default %d to %d.\n",
-                THIS_MODULE->name, max_txdesc_default, max_txdesc_used);
+        pr_info("NOTE: driver parameter <max_txdesc_used> changed from default %d to %d.\n",
+                max_txdesc_default, max_txdesc_used);
     }
     return 0;                       /* installation success */
 }
@@ -1331,7 +1331,7 @@ c4_mod_remove (void)
     cleanup_devs ();
     c4_cleanup ();
     cleanup_ioremap ();
-    printk (KERN_INFO "SBE %s - driver removed.\n", THIS_MODULE->name);
+    pr_info("SBE - driver removed.\n");
 }
 
 module_init (c4_mod_init);
diff --git a/drivers/staging/cxt1e1/musycc.c b/drivers/staging/cxt1e1/musycc.c
index 650c9c02f22..7a6d92a2215 100644
--- a/drivers/staging/cxt1e1/musycc.c
+++ b/drivers/staging/cxt1e1/musycc.c
@@ -71,6 +71,7 @@ unsigned int max_bh = 0;
 char        SBEid_pmcc4_musyccc[] =
 "@(#)musycc.c - $Revision: 2.1 $      (c) Copyright 2004-2006 SBE, Inc.";
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/types.h>
 #include "pmcc4_sysdep.h"
@@ -681,8 +682,8 @@ rewrite:
     }
     if (rcnt > MUSYCC_SR_RETRY_CNT)
     {
-        printk (KERN_WARNING "%s: failed service request (#%d)= %x, group %d.\n",
-                pi->up->devname, MUSYCC_SR_RETRY_CNT, req, pi->portnum);
+        pr_warning("%s: failed service request (#%d)= %x, group %d.\n",
+                   pi->up->devname, MUSYCC_SR_RETRY_CNT, req, pi->portnum);
         SD_SEM_GIVE (&pi->sr_sem_busy); /* allow any next request */
         return;
     }
@@ -959,14 +960,14 @@ musycc_init (ci_t * ci)
 
     if (max_mru > 0xffe)
     {
-        printk (KERN_WARNING "%s: Maximum allowed MRU exceeded, resetting %d to %d.\n",
-                THIS_MODULE->name, max_mru, 0xffe);
+        pr_warning("Maximum allowed MRU exceeded, resetting %d to %d.\n",
+                   max_mru, 0xffe);
         max_mru = 0xffe;
     }
     if (max_mtu > 0xffe)
     {
-        printk (KERN_WARNING "%s: Maximum allowed MTU exceeded, resetting %d to %d.\n",
-                THIS_MODULE->name, max_mtu, 0xffe);
+        pr_warning("Maximum allowed MTU exceeded, resetting %d to %d.\n",
+                   max_mtu, 0xffe);
         max_mtu = 0xffe;
     }
 #ifdef SBE_WAN256T3_ENABLE
diff --git a/drivers/staging/cxt1e1/pmcc4_drv.c b/drivers/staging/cxt1e1/pmcc4_drv.c
index ada80d0b605..1617333575c 100644
--- a/drivers/staging/cxt1e1/pmcc4_drv.c
+++ b/drivers/staging/cxt1e1/pmcc4_drv.c
@@ -83,6 +83,7 @@
 char        OSSIid_pmcc4_drvc[] =
 "@(#)pmcc4_drv.c - $Revision: 3.1 $   (c) Copyright 2002-2007 One Stop Systems, Inc.";
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #if defined (__FreeBSD__) || defined (__NetBSD__)
 #include <sys/param.h>
@@ -207,8 +208,8 @@ c4_new (void *hi)
     ci_t       *ci;
 
 #ifdef SBE_MAP_DEBUG
-    printk (KERN_WARNING "%s: c4_new() entered, ci needs %u.\n",
-            THIS_MODULE->name, (unsigned int) sizeof (ci_t));
+    pr_warning("c4_new() entered, ci needs %u.\n",
+               (unsigned int) sizeof (ci_t));
 #endif
 
     ci = (ci_t *) OS_kmalloc (sizeof (ci_t));
@@ -220,8 +221,8 @@ c4_new (void *hi)
         c4_list = ci;
         ci->brdno = ci->next ? ci->next->brdno + 1 : 0;
     } else
-        printk (KERN_WARNING "%s: failed CI malloc, size %u.\n",
-                THIS_MODULE->name, (unsigned int) sizeof (ci_t));
+        pr_warning("failed CI malloc, size %u.\n",
+                   (unsigned int) sizeof (ci_t));
 
     if (CI == 0)
         CI = ci;                    /* DEBUG, only board 0 usage */
@@ -805,7 +806,8 @@ c4_init (ci_t * ci, u_char *func0, u_char *func1)
             break;
         default:
             ci->max_port = 0;
-            printk (KERN_WARNING "%s: illegal port configuration (%x)\n", ci->devname, pmsk);
+            pr_warning("%s: illegal port configuration (%x)\n",
+                       ci->devname, pmsk);
             return SBE_DRVR_FAIL;
         }
 #ifdef SBE_MAP_DEBUG
@@ -847,8 +849,8 @@ c4_init (ci_t * ci, u_char *func0, u_char *func1)
                 ch->p.mode_56k = 0; /* default is 64kbps mode */
             } else
             {
-                printk (KERN_WARNING "%s: failed mch_t malloc, port %d channel %d size %u.\n",
-                        THIS_MODULE->name, portnum, j, (unsigned int) sizeof (mch_t));
+                pr_warning("failed mch_t malloc, port %d channel %d size %u.\n",
+                           portnum, j, (unsigned int) sizeof (mch_t));
                 break;
             }
         }
diff --git a/drivers/staging/cxt1e1/sbecom_inline_linux.h b/drivers/staging/cxt1e1/sbecom_inline_linux.h
index 2ab1eb12ed3..44229a93de4 100644
--- a/drivers/staging/cxt1e1/sbecom_inline_linux.h
+++ b/drivers/staging/cxt1e1/sbecom_inline_linux.h
@@ -164,7 +164,7 @@ OS_mem_token_alloc (size_t size)
     skb = dev_alloc_skb (size);
     if (!skb)
     {
-        //printk (KERN_WARNING "no mem in OS_mem_token_alloc !");
+        //pr_warning("no mem in OS_mem_token_alloc !\n");
         return 0;
     }
     return skb;
diff --git a/drivers/staging/cxt1e1/sbeproc.c b/drivers/staging/cxt1e1/sbeproc.c
index 61ca639c184..92f6f5ca39b 100644
--- a/drivers/staging/cxt1e1/sbeproc.c
+++ b/drivers/staging/cxt1e1/sbeproc.c
@@ -11,6 +11,8 @@
  *   GNU General Public License for more details.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/errno.h>
@@ -318,16 +320,14 @@ sbecom_proc_brd_init (ci_t * ci)
     ci->dir_dev = proc_mkdir(dir, NULL);
     if (!ci->dir_dev)
     {
-        printk (KERN_ERR "%s: Unable to create directory /proc/driver/%s\n",
-                THIS_MODULE->name, ci->devname);
+        pr_err("Unable to create directory /proc/driver/%s\n", ci->devname);
         goto fail;
     }
     e = create_proc_read_entry ("info", S_IFREG | S_IRUGO,
                                 ci->dir_dev, sbecom_proc_get_sbe_info, ci);
     if (!e)
     {
-        printk (KERN_ERR "%s: Unable to create entry /proc/driver/%s/info\n",
-                THIS_MODULE->name, ci->devname);
+        pr_err("Unable to create entry /proc/driver/%s/info\n", ci->devname);
         goto fail;
     }
     return 0;

From c9f772570123b94ce63563893adb0c492d05eda4 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 14:36:56 -0700
Subject: [PATCH 1104/3638] Staging: comedi: kcomedilib: dio.c: remove unused
 functions

Remove the unused functions from the dio.c file as they are not
needed.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/kcomedilib/dio.c | 30 -------------------------
 1 file changed, 30 deletions(-)

diff --git a/drivers/staging/comedi/kcomedilib/dio.c b/drivers/staging/comedi/kcomedilib/dio.c
index e37aa530814..f0ba81d4b9e 100644
--- a/drivers/staging/comedi/kcomedilib/dio.c
+++ b/drivers/staging/comedi/kcomedilib/dio.c
@@ -43,36 +43,6 @@ int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
 }
 EXPORT_SYMBOL(comedi_dio_config);
 
-int comedi_dio_read(void *dev, unsigned int subdev, unsigned int chan,
-		    unsigned int *val)
-{
-	struct comedi_insn insn;
-
-	memset(&insn, 0, sizeof(insn));
-	insn.insn = INSN_READ;
-	insn.n = 1;
-	insn.data = val;
-	insn.subdev = subdev;
-	insn.chanspec = CR_PACK(chan, 0, 0);
-
-	return comedi_do_insn(dev, &insn);
-}
-
-int comedi_dio_write(void *dev, unsigned int subdev, unsigned int chan,
-		     unsigned int val)
-{
-	struct comedi_insn insn;
-
-	memset(&insn, 0, sizeof(insn));
-	insn.insn = INSN_WRITE;
-	insn.n = 1;
-	insn.data = &val;
-	insn.subdev = subdev;
-	insn.chanspec = CR_PACK(chan, 0, 0);
-
-	return comedi_do_insn(dev, &insn);
-}
-
 int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
 			unsigned int *bits)
 {

From 6b18af18d2c48c07864cf38b5475a0f4d1913bc4 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 14:41:28 -0700
Subject: [PATCH 1105/3638] Staging: comedi: kcomedilib: kcomedilib_main.c:
 remove unused functions

Remove the unused functions from the kcomedilib_main.c file as they are
not needed.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../comedi/kcomedilib/kcomedilib_main.c       | 354 ------------------
 1 file changed, 354 deletions(-)

diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index 32c7bbb8d78..addfcd5a7a7 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -70,25 +70,6 @@ void *comedi_open(const char *filename)
 }
 EXPORT_SYMBOL(comedi_open);
 
-void *comedi_open_old(unsigned int minor)
-{
-	struct comedi_device_file_info *dev_file_info;
-	struct comedi_device *dev;
-
-	if (minor >= COMEDI_NUM_MINORS)
-		return NULL;
-
-	dev_file_info = comedi_get_device_file_info(minor);
-	if (dev_file_info == NULL)
-		return NULL;
-	dev = dev_file_info->device;
-
-	if (dev == NULL || !dev->attached)
-		return NULL;
-
-	return (void *)dev;
-}
-
 int comedi_close(void *d)
 {
 	struct comedi_device *dev = (struct comedi_device *)d;
@@ -99,83 +80,6 @@ int comedi_close(void *d)
 }
 EXPORT_SYMBOL(comedi_close);
 
-int comedi_loglevel(int newlevel)
-{
-	return 0;
-}
-
-void comedi_perror(const char *message)
-{
-	printk(KERN_ERR "%s: unknown error\n", message);
-}
-
-char *comedi_strerror(int err)
-{
-	return "unknown error";
-}
-
-int comedi_fileno(void *d)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-
-	/* return something random */
-	return dev->minor;
-}
-
-int comedi_command(void *d, struct comedi_cmd *cmd)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s;
-	struct comedi_async *async;
-	unsigned runflags;
-
-	if (cmd->subdev >= dev->n_subdevices)
-		return -ENODEV;
-
-	s = dev->subdevices + cmd->subdev;
-	if (s->type == COMEDI_SUBD_UNUSED)
-		return -EIO;
-
-	async = s->async;
-	if (async == NULL)
-		return -ENODEV;
-
-	if (s->busy)
-		return -EBUSY;
-	s->busy = d;
-
-	if (async->cb_mask & COMEDI_CB_EOS)
-		cmd->flags |= TRIG_WAKE_EOS;
-
-	async->cmd = *cmd;
-
-	runflags = SRF_RUNNING;
-
-	comedi_set_subdevice_runflags(s, ~0, runflags);
-
-	comedi_reset_async_buf(async);
-
-	return s->do_cmd(dev, s);
-}
-
-int comedi_command_test(void *d, struct comedi_cmd *cmd)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s;
-
-	if (cmd->subdev >= dev->n_subdevices)
-		return -ENODEV;
-
-	s = dev->subdevices + cmd->subdev;
-	if (s->type == COMEDI_SUBD_UNUSED)
-		return -EIO;
-
-	if (s->async == NULL)
-		return -ENODEV;
-
-	return s->do_cmdtest(dev, s, cmd);
-}
-
 /*
  *	COMEDI_INSN
  *	perform an instruction
@@ -302,261 +206,3 @@ error:
 	return ret;
 }
 
-/*
-	COMEDI_LOCK
-	lock subdevice
-
-	arg:
-		subdevice number
-
-	reads:
-		none
-
-	writes:
-		none
-
-	necessary locking:
-	- ioctl/rt lock  (this type)
-	- lock while subdevice busy
-	- lock while subdevice being programmed
-
-*/
-int comedi_lock(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s;
-	unsigned long flags;
-	int ret = 0;
-
-	if (subdevice >= dev->n_subdevices)
-		return -EINVAL;
-
-	s = dev->subdevices + subdevice;
-
-	spin_lock_irqsave(&s->spin_lock, flags);
-
-	if (s->busy) {
-		ret = -EBUSY;
-	} else {
-		if (s->lock) {
-			ret = -EBUSY;
-		} else {
-			s->lock = d;
-		}
-	}
-
-	spin_unlock_irqrestore(&s->spin_lock, flags);
-
-	return ret;
-}
-
-/*
-	COMEDI_UNLOCK
-	unlock subdevice
-
-	arg:
-		subdevice number
-
-	reads:
-		none
-
-	writes:
-		none
-
-*/
-int comedi_unlock(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s;
-	unsigned long flags;
-	struct comedi_async *async;
-	int ret;
-
-	if (subdevice >= dev->n_subdevices)
-		return -EINVAL;
-
-	s = dev->subdevices + subdevice;
-
-	async = s->async;
-
-	spin_lock_irqsave(&s->spin_lock, flags);
-
-	if (s->busy) {
-		ret = -EBUSY;
-	} else if (s->lock && s->lock != (void *)d) {
-		ret = -EACCES;
-	} else {
-		s->lock = NULL;
-
-		if (async) {
-			async->cb_mask = 0;
-			async->cb_func = NULL;
-			async->cb_arg = NULL;
-		}
-
-		ret = 0;
-	}
-
-	spin_unlock_irqrestore(&s->spin_lock, flags);
-
-	return ret;
-}
-
-/*
-	COMEDI_CANCEL
-	cancel acquisition ioctl
-
-	arg:
-		subdevice number
-
-	reads:
-		nothing
-
-	writes:
-		nothing
-
-*/
-int comedi_cancel(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s;
-	int ret = 0;
-
-	if (subdevice >= dev->n_subdevices)
-		return -EINVAL;
-
-	s = dev->subdevices + subdevice;
-
-	if (s->lock && s->lock != d)
-		return -EACCES;
-
-#if 0
-	if (!s->busy)
-		return 0;
-
-	if (s->busy != d)
-		return -EBUSY;
-#endif
-
-	if (!s->cancel || !s->async)
-		return -EINVAL;
-
-	ret = s->cancel(dev, s);
-
-	if (ret)
-		return ret;
-
-	comedi_set_subdevice_runflags(s, SRF_RUNNING | SRF_RT, 0);
-	s->async->inttrig = NULL;
-	s->busy = NULL;
-
-	return 0;
-}
-
-/*
-   registration of callback functions
- */
-int comedi_register_callback(void *d, unsigned int subdevice,
-			     unsigned int mask, int (*cb) (unsigned int,
-							   void *), void *arg)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s;
-	struct comedi_async *async;
-
-	if (subdevice >= dev->n_subdevices)
-		return -EINVAL;
-
-	s = dev->subdevices + subdevice;
-
-	async = s->async;
-	if (s->type == COMEDI_SUBD_UNUSED || !async)
-		return -EIO;
-
-	/* are we locked? (ioctl lock) */
-	if (s->lock && s->lock != d)
-		return -EACCES;
-
-	/* are we busy? */
-	if (s->busy)
-		return -EBUSY;
-
-	if (!mask) {
-		async->cb_mask = 0;
-		async->cb_func = NULL;
-		async->cb_arg = NULL;
-	} else {
-		async->cb_mask = mask;
-		async->cb_func = cb;
-		async->cb_arg = arg;
-	}
-
-	return 0;
-}
-
-int comedi_poll(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices;
-	struct comedi_async *async;
-
-	if (subdevice >= dev->n_subdevices)
-		return -EINVAL;
-
-	s = dev->subdevices + subdevice;
-
-	async = s->async;
-	if (s->type == COMEDI_SUBD_UNUSED || !async)
-		return -EIO;
-
-	/* are we locked? (ioctl lock) */
-	if (s->lock && s->lock != d)
-		return -EACCES;
-
-	/* are we running? XXX wrong? */
-	if (!s->busy)
-		return -EIO;
-
-	return s->poll(dev, s);
-}
-
-/* WARNING: not portable */
-int comedi_map(void *d, unsigned int subdevice, void *ptr)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s;
-
-	if (subdevice >= dev->n_subdevices)
-		return -EINVAL;
-
-	s = dev->subdevices + subdevice;
-
-	if (!s->async)
-		return -EINVAL;
-
-	if (ptr)
-		*((void **)ptr) = s->async->prealloc_buf;
-
-	/* XXX no reference counting */
-
-	return 0;
-}
-
-/* WARNING: not portable */
-int comedi_unmap(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s;
-
-	if (subdevice >= dev->n_subdevices)
-		return -EINVAL;
-
-	s = dev->subdevices + subdevice;
-
-	if (!s->async)
-		return -EINVAL;
-
-	/* XXX no reference counting */
-
-	return 0;
-}

From a1525758c848aedf590bba3a919321e2d80fcd6e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 14:44:55 -0700
Subject: [PATCH 1106/3638] Staging: comedi: kcomedilib: delete dio.c and get.c

Merge these two files into kcomedilib_main.c as they are tiny.

This will also let us get rid of another global symbol in the future.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/kcomedilib/Makefile    |  5 +-
 drivers/staging/comedi/kcomedilib/dio.c       | 68 -------------------
 drivers/staging/comedi/kcomedilib/get.c       | 51 --------------
 .../comedi/kcomedilib/kcomedilib_main.c       | 63 +++++++++++++++++
 4 files changed, 64 insertions(+), 123 deletions(-)
 delete mode 100644 drivers/staging/comedi/kcomedilib/dio.c
 delete mode 100644 drivers/staging/comedi/kcomedilib/get.c

diff --git a/drivers/staging/comedi/kcomedilib/Makefile b/drivers/staging/comedi/kcomedilib/Makefile
index 006aa1ce4a1..5951f86a840 100644
--- a/drivers/staging/comedi/kcomedilib/Makefile
+++ b/drivers/staging/comedi/kcomedilib/Makefile
@@ -1,6 +1,3 @@
 obj-$(CONFIG_COMEDI)	+= kcomedilib.o
 
-kcomedilib-objs :=				\
-			dio.o			\
-			kcomedilib_main.o	\
-			get.o
+kcomedilib-objs := kcomedilib_main.o
diff --git a/drivers/staging/comedi/kcomedilib/dio.c b/drivers/staging/comedi/kcomedilib/dio.c
deleted file mode 100644
index f0ba81d4b9e..00000000000
--- a/drivers/staging/comedi/kcomedilib/dio.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-    kcomedilib/dio.c
-    implements comedi_dio_*() functions
-
-    COMEDI - Linux Control and Measurement Device Interface
-    Copyright (C) 2000 David A. Schleef <ds@schleef.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include "../comedi.h"
-#include "../comedilib.h"
-
-#include <linux/string.h>
-#include <linux/module.h>
-
-int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
-		      unsigned int io)
-{
-	struct comedi_insn insn;
-
-	memset(&insn, 0, sizeof(insn));
-	insn.insn = INSN_CONFIG;
-	insn.n = 1;
-	insn.data = &io;
-	insn.subdev = subdev;
-	insn.chanspec = CR_PACK(chan, 0, 0);
-
-	return comedi_do_insn(dev, &insn);
-}
-EXPORT_SYMBOL(comedi_dio_config);
-
-int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
-			unsigned int *bits)
-{
-	struct comedi_insn insn;
-	unsigned int data[2];
-	int ret;
-
-	memset(&insn, 0, sizeof(insn));
-	insn.insn = INSN_BITS;
-	insn.n = 2;
-	insn.data = data;
-	insn.subdev = subdev;
-
-	data[0] = mask;
-	data[1] = *bits;
-
-	ret = comedi_do_insn(dev, &insn);
-
-	*bits = data[1];
-
-	return ret;
-}
-EXPORT_SYMBOL(comedi_dio_bitfield);
diff --git a/drivers/staging/comedi/kcomedilib/get.c b/drivers/staging/comedi/kcomedilib/get.c
deleted file mode 100644
index 99ab27ab805..00000000000
--- a/drivers/staging/comedi/kcomedilib/get.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
-    kcomedilib/get.c
-    a comedlib interface for kernel modules
-
-    COMEDI - Linux Control and Measurement Device Interface
-    Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#define __NO_VERSION__
-#include "../comedi.h"
-#include "../comedilib.h"
-#include "../comedidev.h"
-
-int comedi_find_subdevice_by_type(void *d, int type, unsigned int subd)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-
-	if (subd > dev->n_subdevices)
-		return -ENODEV;
-
-	for (; subd < dev->n_subdevices; subd++) {
-		if (dev->subdevices[subd].type == type)
-			return subd;
-	}
-	return -1;
-}
-EXPORT_SYMBOL(comedi_find_subdevice_by_type);
-
-int comedi_get_n_channels(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	return s->n_chan;
-}
-EXPORT_SYMBOL(comedi_get_n_channels);
diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index addfcd5a7a7..7cb29f2bc86 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -206,3 +206,66 @@ error:
 	return ret;
 }
 
+int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
+		      unsigned int io)
+{
+	struct comedi_insn insn;
+
+	memset(&insn, 0, sizeof(insn));
+	insn.insn = INSN_CONFIG;
+	insn.n = 1;
+	insn.data = &io;
+	insn.subdev = subdev;
+	insn.chanspec = CR_PACK(chan, 0, 0);
+
+	return comedi_do_insn(dev, &insn);
+}
+EXPORT_SYMBOL(comedi_dio_config);
+
+int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
+			unsigned int *bits)
+{
+	struct comedi_insn insn;
+	unsigned int data[2];
+	int ret;
+
+	memset(&insn, 0, sizeof(insn));
+	insn.insn = INSN_BITS;
+	insn.n = 2;
+	insn.data = data;
+	insn.subdev = subdev;
+
+	data[0] = mask;
+	data[1] = *bits;
+
+	ret = comedi_do_insn(dev, &insn);
+
+	*bits = data[1];
+
+	return ret;
+}
+EXPORT_SYMBOL(comedi_dio_bitfield);
+
+int comedi_find_subdevice_by_type(void *d, int type, unsigned int subd)
+{
+	struct comedi_device *dev = (struct comedi_device *)d;
+
+	if (subd > dev->n_subdevices)
+		return -ENODEV;
+
+	for (; subd < dev->n_subdevices; subd++) {
+		if (dev->subdevices[subd].type == type)
+			return subd;
+	}
+	return -1;
+}
+EXPORT_SYMBOL(comedi_find_subdevice_by_type);
+
+int comedi_get_n_channels(void *d, unsigned int subdevice)
+{
+	struct comedi_device *dev = (struct comedi_device *)d;
+	struct comedi_subdevice *s = dev->subdevices + subdevice;
+
+	return s->n_chan;
+}
+EXPORT_SYMBOL(comedi_get_n_channels);

From 88cccef0193a7f8c6a73326404c0b2f9ad27f71a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 14:49:54 -0700
Subject: [PATCH 1107/3638] Staging: comedi: kcomedilib: comedi_do_insn is now
 static

No one else calls this function, so mark it static.
Now we can strip out the unneeded functionality in here as well.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedilib.h                  | 3 ---
 drivers/staging/comedi/kcomedilib/kcomedilib_main.c | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/comedilib.h b/drivers/staging/comedi/comedilib.h
index 00414359138..23ec58d2e23 100644
--- a/drivers/staging/comedi/comedilib.h
+++ b/drivers/staging/comedi/comedilib.h
@@ -33,7 +33,4 @@ int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
 int comedi_find_subdevice_by_type(void *dev, int type, unsigned int subd);
 int comedi_get_n_channels(void *dev, unsigned int subdevice);
 
-/* internal to kcomedilb */
-int comedi_do_insn(void *dev, struct comedi_insn *insn);
-
 #endif
diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index 7cb29f2bc86..d27de93ff4d 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -84,7 +84,7 @@ EXPORT_SYMBOL(comedi_close);
  *	COMEDI_INSN
  *	perform an instruction
  */
-int comedi_do_insn(void *d, struct comedi_insn *insn)
+static int comedi_do_insn(void *d, struct comedi_insn *insn)
 {
 	struct comedi_device *dev = (struct comedi_device *)d;
 	struct comedi_subdevice *s;

From 3781bc5425f985c2ceffa3b2111e1d0eeb38cc24 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 14:54:34 -0700
Subject: [PATCH 1108/3638] Staging: comedi: kcomedilib: simplify
 comedi_do_insn()

Now that we know we are only making 2 different types of instructions,
only handle those two types.

Also make the call a bit more typesafe by passing the correct pointer
type.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../comedi/kcomedilib/kcomedilib_main.c       | 154 +++++-------------
 1 file changed, 40 insertions(+), 114 deletions(-)

diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index d27de93ff4d..fa0db41292d 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -80,127 +80,53 @@ int comedi_close(void *d)
 }
 EXPORT_SYMBOL(comedi_close);
 
-/*
- *	COMEDI_INSN
- *	perform an instruction
- */
-static int comedi_do_insn(void *d, struct comedi_insn *insn)
+static int comedi_do_insn(struct comedi_device *dev, struct comedi_insn *insn)
 {
-	struct comedi_device *dev = (struct comedi_device *)d;
 	struct comedi_subdevice *s;
 	int ret = 0;
 
-	if (insn->insn & INSN_MASK_SPECIAL) {
-		switch (insn->insn) {
-		case INSN_GTOD:
-			{
-				struct timeval tv;
-
-				do_gettimeofday(&tv);
-				insn->data[0] = tv.tv_sec;
-				insn->data[1] = tv.tv_usec;
-				ret = 2;
-
-				break;
-			}
-		case INSN_WAIT:
-			/* XXX isn't the value supposed to be nanosecs? */
-			if (insn->n != 1 || insn->data[0] >= 100) {
-				ret = -EINVAL;
-				break;
-			}
-			udelay(insn->data[0]);
-			ret = 1;
-			break;
-		case INSN_INTTRIG:
-			if (insn->n != 1) {
-				ret = -EINVAL;
-				break;
-			}
-			if (insn->subdev >= dev->n_subdevices) {
-				printk("%d not usable subdevice\n",
-				       insn->subdev);
-				ret = -EINVAL;
-				break;
-			}
-			s = dev->subdevices + insn->subdev;
-			if (!s->async) {
-				printk("no async\n");
-				ret = -EINVAL;
-				break;
-			}
-			if (!s->async->inttrig) {
-				printk("no inttrig\n");
-				ret = -EAGAIN;
-				break;
-			}
-			ret = s->async->inttrig(dev, s, insn->data[0]);
-			if (ret >= 0)
-				ret = 1;
-			break;
-		default:
-			ret = -EINVAL;
-		}
-	} else {
-		/* a subdevice instruction */
-		if (insn->subdev >= dev->n_subdevices) {
-			ret = -EINVAL;
-			goto error;
-		}
-		s = dev->subdevices + insn->subdev;
-
-		if (s->type == COMEDI_SUBD_UNUSED) {
-			printk("%d not useable subdevice\n", insn->subdev);
-			ret = -EIO;
-			goto error;
-		}
-
-		/* XXX check lock */
-
-		ret = comedi_check_chanlist(s, 1, &insn->chanspec);
-		if (ret < 0) {
-			printk("bad chanspec\n");
-			ret = -EINVAL;
-			goto error;
-		}
-
-		if (s->busy) {
-			ret = -EBUSY;
-			goto error;
-		}
-		s->busy = d;
-
-		switch (insn->insn) {
-		case INSN_READ:
-			ret = s->insn_read(dev, s, insn, insn->data);
-			break;
-		case INSN_WRITE:
-			ret = s->insn_write(dev, s, insn, insn->data);
-			break;
-		case INSN_BITS:
-			ret = s->insn_bits(dev, s, insn, insn->data);
-			break;
-		case INSN_CONFIG:
-			/* XXX should check instruction length */
-			ret = s->insn_config(dev, s, insn, insn->data);
-			break;
-		default:
-			ret = -EINVAL;
-			break;
-		}
-
-		s->busy = NULL;
-	}
-	if (ret < 0)
-		goto error;
-#if 0
-	/* XXX do we want this? -- abbotti #if'ed it out for now. */
-	if (ret != insn->n) {
-		printk("BUG: result of insn != insn.n\n");
+	/* a subdevice instruction */
+	if (insn->subdev >= dev->n_subdevices) {
 		ret = -EINVAL;
 		goto error;
 	}
-#endif
+	s = dev->subdevices + insn->subdev;
+
+	if (s->type == COMEDI_SUBD_UNUSED) {
+		printk("%d not useable subdevice\n", insn->subdev);
+		ret = -EIO;
+		goto error;
+	}
+
+	/* XXX check lock */
+
+	ret = comedi_check_chanlist(s, 1, &insn->chanspec);
+	if (ret < 0) {
+		printk("bad chanspec\n");
+		ret = -EINVAL;
+		goto error;
+	}
+
+	if (s->busy) {
+		ret = -EBUSY;
+		goto error;
+	}
+	s->busy = dev;
+
+	switch (insn->insn) {
+	case INSN_BITS:
+		ret = s->insn_bits(dev, s, insn, insn->data);
+		break;
+	case INSN_CONFIG:
+		/* XXX should check instruction length */
+		ret = s->insn_config(dev, s, insn, insn->data);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	s->busy = NULL;
 error:
 
 	return ret;

From 472dfe77b91d8026c3ccda22c60db0e92bc27863 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:01:50 -0700
Subject: [PATCH 1109/3638] Staging: comedi: kcomedilib: make it typesafe

If we really are passing in a struct comedi_device, then say we are,
don't mess around with void pointers for no reason.

This also fixes up the comedi_bond.c driver, which is the only
user of the kcomedilib code.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedilib.h            | 17 +++++++-------
 drivers/staging/comedi/drivers/comedi_bond.c  |  6 ++---
 .../comedi/kcomedilib/kcomedilib_main.c       | 22 +++++++++----------
 3 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/comedi/comedilib.h b/drivers/staging/comedi/comedilib.h
index 23ec58d2e23..ca92c43fdb3 100644
--- a/drivers/staging/comedi/comedilib.h
+++ b/drivers/staging/comedi/comedilib.h
@@ -24,13 +24,14 @@
 #ifndef _LINUX_COMEDILIB_H
 #define _LINUX_COMEDILIB_H
 
-void *comedi_open(const char *path);
-int comedi_close(void *dev);
-int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
-		      unsigned int io);
-int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
-			unsigned int *bits);
-int comedi_find_subdevice_by_type(void *dev, int type, unsigned int subd);
-int comedi_get_n_channels(void *dev, unsigned int subdevice);
+struct comedi_device *comedi_open(const char *path);
+int comedi_close(struct comedi_device *dev);
+int comedi_dio_config(struct comedi_device *dev, unsigned int subdev,
+		      unsigned int chan, unsigned int io);
+int comedi_dio_bitfield(struct comedi_device *dev, unsigned int subdev,
+			unsigned int mask, unsigned int *bits);
+int comedi_find_subdevice_by_type(struct comedi_device *dev, int type,
+				  unsigned int subd);
+int comedi_get_n_channels(struct comedi_device *dev, unsigned int subdevice);
 
 #endif
diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c
index 429ec703d59..22a0f996eeb 100644
--- a/drivers/staging/comedi/drivers/comedi_bond.c
+++ b/drivers/staging/comedi/drivers/comedi_bond.c
@@ -142,7 +142,7 @@ static const struct BondingBoard bondingBoards[] = {
 #define thisboard ((const struct BondingBoard *)dev->board_ptr)
 
 struct BondedDevice {
-	void *dev;
+	struct comedi_device *dev;
 	unsigned minor;
 	unsigned subdev;
 	unsigned subdev_type;
@@ -404,7 +404,7 @@ static void *Realloc(const void *oldmem, size_t newlen, size_t oldlen)
 static int doDevConfig(struct comedi_device *dev, struct comedi_devconfig *it)
 {
 	int i;
-	void *devs_opened[COMEDI_NUM_BOARD_MINORS];
+	struct comedi_device *devs_opened[COMEDI_NUM_BOARD_MINORS];
 
 	memset(devs_opened, 0, sizeof(devs_opened));
 	devpriv->name[0] = 0;;
@@ -413,7 +413,7 @@ static int doDevConfig(struct comedi_device *dev, struct comedi_devconfig *it)
 	for (i = 0; i < COMEDI_NDEVCONFOPTS && (!i || it->options[i]); ++i) {
 		char file[] = "/dev/comediXXXXXX";
 		int minor = it->options[i];
-		void *d;
+		struct comedi_device *d;
 		int sdev = -1, nchans, tmp;
 		struct BondedDevice *bdev = NULL;
 
diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index fa0db41292d..863aae40ede 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -41,7 +41,7 @@ MODULE_AUTHOR("David Schleef <ds@schleef.org>");
 MODULE_DESCRIPTION("Comedi kernel library");
 MODULE_LICENSE("GPL");
 
-void *comedi_open(const char *filename)
+struct comedi_device *comedi_open(const char *filename)
 {
 	struct comedi_device_file_info *dev_file_info;
 	struct comedi_device *dev;
@@ -66,11 +66,11 @@ void *comedi_open(const char *filename)
 	if (!try_module_get(dev->driver->module))
 		return NULL;
 
-	return (void *)dev;
+	return dev;
 }
 EXPORT_SYMBOL(comedi_open);
 
-int comedi_close(void *d)
+int comedi_close(struct comedi_device *d)
 {
 	struct comedi_device *dev = (struct comedi_device *)d;
 
@@ -132,8 +132,8 @@ error:
 	return ret;
 }
 
-int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
-		      unsigned int io)
+int comedi_dio_config(struct comedi_device *dev, unsigned int subdev,
+		      unsigned int chan, unsigned int io)
 {
 	struct comedi_insn insn;
 
@@ -148,8 +148,8 @@ int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan,
 }
 EXPORT_SYMBOL(comedi_dio_config);
 
-int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
-			unsigned int *bits)
+int comedi_dio_bitfield(struct comedi_device *dev, unsigned int subdev,
+			unsigned int mask, unsigned int *bits)
 {
 	struct comedi_insn insn;
 	unsigned int data[2];
@@ -172,10 +172,9 @@ int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask,
 }
 EXPORT_SYMBOL(comedi_dio_bitfield);
 
-int comedi_find_subdevice_by_type(void *d, int type, unsigned int subd)
+int comedi_find_subdevice_by_type(struct comedi_device *dev, int type,
+				  unsigned int subd)
 {
-	struct comedi_device *dev = (struct comedi_device *)d;
-
 	if (subd > dev->n_subdevices)
 		return -ENODEV;
 
@@ -187,9 +186,8 @@ int comedi_find_subdevice_by_type(void *d, int type, unsigned int subd)
 }
 EXPORT_SYMBOL(comedi_find_subdevice_by_type);
 
-int comedi_get_n_channels(void *d, unsigned int subdevice)
+int comedi_get_n_channels(struct comedi_device *dev, unsigned int subdevice)
 {
-	struct comedi_device *dev = (struct comedi_device *)d;
 	struct comedi_subdevice *s = dev->subdevices + subdevice;
 
 	return s->n_chan;

From 181bd67bf5780b941f2cba6247ed1c0cdfce468a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:15:06 -0700
Subject: [PATCH 1110/3638] Staging: comedi: make
 comedi_set_subdevice_runflags() static

No one calls this anymore, except the core comedi code, so
mark it static and don't export it.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 23 +++++++++++------------
 drivers/staging/comedi/comedidev.h   |  2 --
 2 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index b11f9b08000..135c80ab6d1 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -954,6 +954,17 @@ error:
 	return ret;
 }
 
+static void comedi_set_subdevice_runflags(struct comedi_subdevice *s,
+					  unsigned mask, unsigned bits)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&s->spin_lock, flags);
+	s->runflags &= ~mask;
+	s->runflags |= (bits & mask);
+	spin_unlock_irqrestore(&s->spin_lock, flags);
+}
+
 /*
 	COMEDI_CMD
 	command ioctl
@@ -2021,18 +2032,6 @@ void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
 }
 EXPORT_SYMBOL(comedi_event);
 
-void comedi_set_subdevice_runflags(struct comedi_subdevice *s, unsigned mask,
-				   unsigned bits)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&s->spin_lock, flags);
-	s->runflags &= ~mask;
-	s->runflags |= (bits & mask);
-	spin_unlock_irqrestore(&s->spin_lock, flags);
-}
-EXPORT_SYMBOL(comedi_set_subdevice_runflags);
-
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s)
 {
 	unsigned long flags;
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 5e4672751d4..9e13964ac6d 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -383,8 +383,6 @@ enum subdevice_runflags {
 
 int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg);
 int comedi_check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist);
-void comedi_set_subdevice_runflags(struct comedi_subdevice *s, unsigned mask,
-				   unsigned bits);
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s);
 int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
 	       struct comedi_insn *insn, unsigned int *data);

From 242e7ad91a067243d7ab63b6a25ed2e085733446 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:20:29 -0700
Subject: [PATCH 1111/3638] Staging: comedi: make comedi_alloc_board_minor
 local to comedi core

No one outside of the comedi core calls this function, so create
an internal.h file to put the prototype in, and don't export
it to the world.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 3 +--
 drivers/staging/comedi/comedidev.h   | 1 -
 drivers/staging/comedi/drivers.c     | 5 +++--
 drivers/staging/comedi/internal.h    | 2 ++
 4 files changed, 6 insertions(+), 5 deletions(-)
 create mode 100644 drivers/staging/comedi/internal.h

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 135c80ab6d1..2634af2f33d 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -49,7 +49,7 @@
 #include <linux/io.h>
 #include <linux/uaccess.h>
 
-/* #include "kvmem.h" */
+#include "internal.h"
 
 MODULE_AUTHOR("http://www.comedi.org");
 MODULE_DESCRIPTION("Comedi core module");
@@ -2156,7 +2156,6 @@ int comedi_alloc_board_minor(struct device *hardware_device)
 	}
 	return i;
 }
-EXPORT_SYMBOL_GPL(comedi_alloc_board_minor);
 
 void comedi_free_board_minor(unsigned minor)
 {
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 9e13964ac6d..5f017c2383b 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -522,7 +522,6 @@ static inline void *comedi_aux_data(int options[], int n)
 	return (void *)address;
 }
 
-int comedi_alloc_board_minor(struct device *hardware_device);
 void comedi_free_board_minor(unsigned minor);
 int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 				 struct comedi_subdevice *s);
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index a8f3d790b3d..475778fb680 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -37,15 +37,16 @@
 #include <linux/ioport.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
-#include "comedidev.h"
 #include <linux/highmem.h>	/* for SuSE brokenness */
 #include <linux/vmalloc.h>
 #include <linux/cdev.h>
 #include <linux/dma-mapping.h>
-
 #include <linux/io.h>
 #include <asm/system.h>
 
+#include "comedidev.h"
+#include "internal.h"
+
 static int postconfig(struct comedi_device *dev);
 static int insn_rw_emulate_bits(struct comedi_device *dev,
 				struct comedi_subdevice *s,
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
new file mode 100644
index 00000000000..4ced6bfa7e9
--- /dev/null
+++ b/drivers/staging/comedi/internal.h
@@ -0,0 +1,2 @@
+
+int comedi_alloc_board_minor(struct device *hardware_device);

From 9e8c604821b372c6e98e9632f5617913bf92ae45 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:24:14 -0700
Subject: [PATCH 1112/3638] Staging: comedi: make comedi_free_board_minor local
 to comedi core

No one outside of the comedi core calls this function, so don't export
it to the world.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 1 -
 drivers/staging/comedi/comedidev.h   | 1 -
 drivers/staging/comedi/internal.h    | 1 +
 3 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 2634af2f33d..ce8e2549b8f 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2181,7 +2181,6 @@ void comedi_free_board_minor(unsigned minor)
 		kfree(info);
 	}
 }
-EXPORT_SYMBOL_GPL(comedi_free_board_minor);
 
 int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 				 struct comedi_subdevice *s)
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 5f017c2383b..c72fd15e6a5 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -522,7 +522,6 @@ static inline void *comedi_aux_data(int options[], int n)
 	return (void *)address;
 }
 
-void comedi_free_board_minor(unsigned minor);
 int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 				 struct comedi_subdevice *s);
 void comedi_free_subdevice_minor(struct comedi_subdevice *s);
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index 4ced6bfa7e9..4b6065adb7e 100644
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -1,2 +1,3 @@
 
 int comedi_alloc_board_minor(struct device *hardware_device);
+void comedi_free_board_minor(unsigned minor);

From 09372df0dff51121e772ca5870fb565a08840c86 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:27:52 -0700
Subject: [PATCH 1113/3638] Staging: comedi: make comedi_reset_async_buf local
 to comedi core

No one outside of the comedi core calls this function, so don't export
it to the world.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h | 2 --
 drivers/staging/comedi/drivers.c   | 1 -
 drivers/staging/comedi/internal.h  | 1 +
 3 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index c72fd15e6a5..3ca5832ad6f 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -495,8 +495,6 @@ static inline unsigned comedi_buf_read_n_allocated(struct comedi_async *async)
 	return async->buf_read_alloc_count - async->buf_read_count;
 }
 
-void comedi_reset_async_buf(struct comedi_async *async);
-
 static inline void *comedi_aux_data(int options[], int n)
 {
 	unsigned long address;
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 475778fb680..f68fab9c550 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -811,7 +811,6 @@ void comedi_reset_async_buf(struct comedi_async *async)
 
 	async->events = 0;
 }
-EXPORT_SYMBOL(comedi_reset_async_buf);
 
 int comedi_auto_config(struct device *hardware_device, const char *board_name,
 		       const int *options, unsigned num_options)
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index 4b6065adb7e..7068a38d7f3 100644
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -1,3 +1,4 @@
 
 int comedi_alloc_board_minor(struct device *hardware_device);
 void comedi_free_board_minor(unsigned minor);
+void comedi_reset_async_buf(struct comedi_async *async);

From 22d114248be8907f965e68a1bfdcea3302cbc776 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:32:04 -0700
Subject: [PATCH 1114/3638] Staging: comedi: clean up sparse issues in proc.c

The whole file should be converted to use seqfile, if it's even
still needed.  Or move to debugfs.

Anyway, I fixed up the minor issues here.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/proc.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c
index c0035cb759a..2aa487b6018 100644
--- a/drivers/staging/comedi/proc.c
+++ b/drivers/staging/comedi/proc.c
@@ -32,10 +32,11 @@
 #include "comedidev.h"
 #include "comedi_fops.h"
 #include <linux/proc_fs.h>
-/* #include <linux/string.h> */
+#include <linux/string.h>
 
-int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
-			int *eof, void *data)
+#ifdef CONFIG_PROC_FS
+static int comedi_read(char *buf, char **start, off_t offset, int len,
+		       int *eof, void *data)
 {
 	int i;
 	int devices_q = 0;
@@ -82,18 +83,17 @@ int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
 	return l;
 }
 
-#ifdef CONFIG_PROC_FS
 void comedi_proc_init(void)
 {
 	struct proc_dir_entry *comedi_proc;
 
-	comedi_proc = create_proc_entry("comedi", S_IFREG | S_IRUGO, 0);
+	comedi_proc = create_proc_entry("comedi", S_IFREG | S_IRUGO, NULL);
 	if (comedi_proc)
-		comedi_proc->read_proc = comedi_read_procmem;
+		comedi_proc->read_proc = comedi_read;
 }
 
 void comedi_proc_cleanup(void)
 {
-	remove_proc_entry("comedi", 0);
+	remove_proc_entry("comedi", NULL);
 }
 #endif

From 2434358ac7ece40e6aa8cd705927c423caa718ec Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:38:37 -0700
Subject: [PATCH 1115/3638] Staging: comedi: move some more functions to
 internal.h

Only the internal comedi core calls these, so put them here.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h | 7 -------
 drivers/staging/comedi/internal.h  | 7 ++++++-
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 3ca5832ad6f..c26c6446a0e 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -377,15 +377,8 @@ enum subdevice_runflags {
 	SRF_RUNNING = 0x08000000
 };
 
-/*
-   various internal comedi functions
- */
-
-int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg);
 int comedi_check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist);
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s);
-int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
-	       struct comedi_insn *insn, unsigned int *data);
 
 /* range stuff */
 
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index 7068a38d7f3..ce121f21ebc 100644
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -1,4 +1,9 @@
-
+/*
+ * various internal comedi functions
+ */
+int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg);
+int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
+	       struct comedi_insn *insn, unsigned int *data);
 int comedi_alloc_board_minor(struct device *hardware_device);
 void comedi_free_board_minor(unsigned minor);
 void comedi_reset_async_buf(struct comedi_async *async);

From 3b6b25b5ddf4485e89432a35a7d79d371ba6eba1 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:50:09 -0700
Subject: [PATCH 1116/3638] Staging: comedi: range.c: properly mark up __user
 pointers

This is the start of cleaning up the user pointer markings
in the comedi core.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi.h              | 2 +-
 drivers/staging/comedi/comedi_compat32.c     | 3 +--
 drivers/staging/comedi/drivers/comedi_bond.c | 4 ++--
 drivers/staging/comedi/internal.h            | 3 ++-
 drivers/staging/comedi/range.c               | 6 ++++--
 5 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index 1251e074cb2..a124ca8d036 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -368,7 +368,7 @@
 
 	struct comedi_rangeinfo {
 		unsigned int range_type;
-		void *range_ptr;
+		void __user *range_ptr;
 	};
 
 	struct comedi_krange {
diff --git a/drivers/staging/comedi/comedi_compat32.c b/drivers/staging/comedi/comedi_compat32.c
index 581aa5fee2e..41a7a62ba49 100644
--- a/drivers/staging/comedi/comedi_compat32.c
+++ b/drivers/staging/comedi/comedi_compat32.c
@@ -25,9 +25,8 @@
 */
 
 #define __NO_VERSION__
-#include "comedi.h"
 #include <linux/uaccess.h>
-
+#include "comedi.h"
 #include "comedi_compat32.h"
 
 #ifdef CONFIG_COMPAT
diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c
index 22a0f996eeb..701622280ff 100644
--- a/drivers/staging/comedi/drivers/comedi_bond.c
+++ b/drivers/staging/comedi/drivers/comedi_bond.c
@@ -87,11 +87,11 @@ Configuration Options:
  * options that are used with comedi_config.
  */
 
+#include <linux/string.h>
+#include <linux/slab.h>
 #include "../comedi.h"
 #include "../comedilib.h"
 #include "../comedidev.h"
-#include <linux/string.h>
-#include <linux/slab.h>
 
 /* The maxiumum number of channels per subdevice. */
 #define MAX_CHANS 256
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index ce121f21ebc..55b85501c92 100644
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -1,7 +1,8 @@
 /*
  * various internal comedi functions
  */
-int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg);
+int do_rangeinfo_ioctl(struct comedi_device *dev,
+		       struct comedi_rangeinfo __user *arg);
 int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
 	       struct comedi_insn *insn, unsigned int *data);
 int comedi_alloc_board_minor(struct device *hardware_device);
diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index 8a1cefd97fd..148ec6fd6fd 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -21,8 +21,9 @@
 
 */
 
-#include "comedidev.h"
 #include <linux/uaccess.h>
+#include "comedidev.h"
+#include "internal.h"
 
 const struct comedi_lrange range_bipolar10 = { 1, {BIP_RANGE(10)} };
 EXPORT_SYMBOL(range_bipolar10);
@@ -50,7 +51,8 @@ EXPORT_SYMBOL(range_unknown);
 	writes:
 		n struct comedi_krange structures to rangeinfo->range_ptr
 */
-int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg)
+int do_rangeinfo_ioctl(struct comedi_device *dev,
+		       struct comedi_rangeinfo __user *arg)
 {
 	struct comedi_rangeinfo it;
 	int subd, chan;

From 7029a87455af3cf303e8d6d0db8c26b6a94f1020 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 15:55:45 -0700
Subject: [PATCH 1117/3638] Staging: comedi: drivers.c sparse cleanup

Fix up some sparse issues in drivers.c

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h |  3 ---
 drivers/staging/comedi/drivers.c   | 24 +++++++++---------------
 drivers/staging/comedi/internal.h  |  2 ++
 3 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index c26c6446a0e..c38ebb4aa75 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -351,9 +351,6 @@ void cleanup_polling(void);
 void start_polling(struct comedi_device *);
 void stop_polling(struct comedi_device *);
 
-int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
-		     unsigned long new_size);
-
 #ifdef CONFIG_PROC_FS
 void comedi_proc_init(void);
 void comedi_proc_cleanup(void);
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index f68fab9c550..1f48b6dca08 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -54,16 +54,9 @@ static int insn_rw_emulate_bits(struct comedi_device *dev,
 static void *comedi_recognize(struct comedi_driver *driv, const char *name);
 static void comedi_report_boards(struct comedi_driver *driv);
 static int poll_invalid(struct comedi_device *dev, struct comedi_subdevice *s);
-int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
-		     unsigned long new_size);
 
 struct comedi_driver *comedi_drivers;
 
-int comedi_modprobe(int minor)
-{
-	return -EINVAL;
-}
-
 static void cleanup_device(struct comedi_device *dev)
 {
 	int i;
@@ -84,7 +77,7 @@ static void cleanup_device(struct comedi_device *dev)
 	}
 	kfree(dev->private);
 	dev->private = NULL;
-	dev->driver = 0;
+	dev->driver = NULL;
 	dev->board_name = NULL;
 	dev->board_ptr = NULL;
 	dev->iobase = 0;
@@ -309,7 +302,7 @@ static int postconfig(struct comedi_device *dev)
 
 /* generic recognize function for drivers
  * that register their supported board names */
-void *comedi_recognize(struct comedi_driver *driv, const char *name)
+static void *comedi_recognize(struct comedi_driver *driv, const char *name)
 {
 	unsigned i;
 	const char *const *name_ptr = driv->board_name;
@@ -324,7 +317,7 @@ void *comedi_recognize(struct comedi_driver *driv, const char *name)
 	return NULL;
 }
 
-void comedi_report_boards(struct comedi_driver *driv)
+static void comedi_report_boards(struct comedi_driver *driv)
 {
 	unsigned int i;
 	const char *const *name_ptr;
@@ -548,8 +541,8 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 
 /* munging is applied to data by core as it passes between user
  * and kernel space */
-unsigned int comedi_buf_munge(struct comedi_async *async,
-			      unsigned int num_bytes)
+static unsigned int comedi_buf_munge(struct comedi_async *async,
+				     unsigned int num_bytes)
 {
 	struct comedi_subdevice *s = async->subdevice;
 	unsigned int count = 0;
@@ -812,8 +805,9 @@ void comedi_reset_async_buf(struct comedi_async *async)
 	async->events = 0;
 }
 
-int comedi_auto_config(struct device *hardware_device, const char *board_name,
-		       const int *options, unsigned num_options)
+static int comedi_auto_config(struct device *hardware_device,
+			      const char *board_name, const int *options,
+			      unsigned num_options)
 {
 	struct comedi_devconfig it;
 	int minor;
@@ -858,7 +852,7 @@ cleanup:
 	return retval;
 }
 
-void comedi_auto_unconfig(struct device *hardware_device)
+static void comedi_auto_unconfig(struct device *hardware_device)
 {
 	unsigned *minor = (unsigned *)dev_get_drvdata(hardware_device);
 	if (minor == NULL)
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index 55b85501c92..434ce343336 100644
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -8,3 +8,5 @@ int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
 int comedi_alloc_board_minor(struct device *hardware_device);
 void comedi_free_board_minor(unsigned minor);
 void comedi_reset_async_buf(struct comedi_async *async);
+int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
+		     unsigned long new_size);

From 92d0127c9d249c078b0939050f25041ed37be7cd Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 3 May 2010 16:32:28 -0700
Subject: [PATCH 1118/3638] Staging: comedi: __user markup on comedi_fops.c

Hm, what a mess.  I tried to properly mark up the __user pointers,
but for some of these structures, we use them both in the kernel,
and across the user/kernel boundry, which isn't ok.  So we end
up generating a few new sparse warnings in places we were not before,
but the large majority of things are now properly tagged in the fops
file.

The whole ioctl interface needs to be carefully looked at in the future.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi.h      |  12 +--
 drivers/staging/comedi/comedi_fops.c | 126 ++++++++++++++-------------
 2 files changed, 73 insertions(+), 65 deletions(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index a124ca8d036..45272d8bf97 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -321,7 +321,7 @@
 	struct comedi_insn {
 		unsigned int insn;
 		unsigned int n;
-		unsigned int *data;
+		unsigned int __user *data;
 		unsigned int subdev;
 		unsigned int chanspec;
 		unsigned int unused[3];
@@ -329,7 +329,7 @@
 
 	struct comedi_insnlist {
 		unsigned int n_insns;
-		struct comedi_insn *insns;
+		struct comedi_insn __user *insns;
 	};
 
 	struct comedi_cmd {
@@ -351,7 +351,7 @@
 		unsigned int stop_src;
 		unsigned int stop_arg;
 
-		unsigned int *chanlist;	/* channel/range list */
+		unsigned int __user *chanlist;	/* channel/range list */
 		unsigned int chanlist_len;
 
 		short *data;	/* data list, size depends on subd flags */
@@ -360,9 +360,9 @@
 
 	struct comedi_chaninfo {
 		unsigned int subdev;
-		unsigned int *maxdata_list;
-		unsigned int *flaglist;
-		unsigned int *rangelist;
+		unsigned int __user *maxdata_list;
+		unsigned int __user *flaglist;
+		unsigned int __user *rangelist;
 		unsigned int unused[4];
 	};
 
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index ce8e2549b8f..e7095d766f4 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -64,7 +64,7 @@ module_param(comedi_debug, int, 0644);
 int comedi_autoconfig = 1;
 module_param(comedi_autoconfig, bool, 0444);
 
-int comedi_num_legacy_minors;
+static int comedi_num_legacy_minors;
 module_param(comedi_num_legacy_minors, int, 0444);
 
 static DEFINE_SPINLOCK(comedi_file_info_table_lock);
@@ -72,25 +72,32 @@ static struct comedi_device_file_info
 *comedi_file_info_table[COMEDI_NUM_MINORS];
 
 static int do_devconfig_ioctl(struct comedi_device *dev,
-			      struct comedi_devconfig *arg);
-static int do_bufconfig_ioctl(struct comedi_device *dev, void *arg);
+			      struct comedi_devconfig __user *arg);
+static int do_bufconfig_ioctl(struct comedi_device *dev,
+			      struct comedi_bufconfig __user *arg);
 static int do_devinfo_ioctl(struct comedi_device *dev,
-			    struct comedi_devinfo *arg, struct file *file);
+			    struct comedi_devinfo __user *arg,
+			    struct file *file);
 static int do_subdinfo_ioctl(struct comedi_device *dev,
-			     struct comedi_subdinfo *arg, void *file);
+			     struct comedi_subdinfo __user *arg, void *file);
 static int do_chaninfo_ioctl(struct comedi_device *dev,
-			     struct comedi_chaninfo *arg);
-static int do_bufinfo_ioctl(struct comedi_device *dev, void *arg);
-static int do_cmd_ioctl(struct comedi_device *dev, void *arg, void *file);
+			     struct comedi_chaninfo __user *arg);
+static int do_bufinfo_ioctl(struct comedi_device *dev,
+			    struct comedi_bufinfo __user *arg);
+static int do_cmd_ioctl(struct comedi_device *dev,
+			struct comedi_cmd __user *arg, void *file);
 static int do_lock_ioctl(struct comedi_device *dev, unsigned int arg,
 			 void *file);
 static int do_unlock_ioctl(struct comedi_device *dev, unsigned int arg,
 			   void *file);
 static int do_cancel_ioctl(struct comedi_device *dev, unsigned int arg,
 			   void *file);
-static int do_cmdtest_ioctl(struct comedi_device *dev, void *arg, void *file);
-static int do_insnlist_ioctl(struct comedi_device *dev, void *arg, void *file);
-static int do_insn_ioctl(struct comedi_device *dev, void *arg, void *file);
+static int do_cmdtest_ioctl(struct comedi_device *dev,
+			    struct comedi_cmd __user *arg, void *file);
+static int do_insnlist_ioctl(struct comedi_device *dev,
+			     struct comedi_insnlist __user *arg, void *file);
+static int do_insn_ioctl(struct comedi_device *dev,
+			 struct comedi_insn __user *arg, void *file);
 static int do_poll_ioctl(struct comedi_device *dev, unsigned int subd,
 			 void *file);
 
@@ -129,7 +136,8 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
 	/* Device config is special, because it must work on
 	 * an unconfigured device. */
 	if (cmd == COMEDI_DEVCONFIG) {
-		rc = do_devconfig_ioctl(dev, (void *)arg);
+		rc = do_devconfig_ioctl(dev,
+					(struct comedi_devconfig __user *)arg);
 		goto done;
 	}
 
@@ -141,22 +149,27 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
 
 	switch (cmd) {
 	case COMEDI_BUFCONFIG:
-		rc = do_bufconfig_ioctl(dev, (void *)arg);
+		rc = do_bufconfig_ioctl(dev,
+					(struct comedi_bufconfig __user *)arg);
 		break;
 	case COMEDI_DEVINFO:
-		rc = do_devinfo_ioctl(dev, (void *)arg, file);
+		rc = do_devinfo_ioctl(dev, (struct comedi_devinfo __user *)arg,
+				      file);
 		break;
 	case COMEDI_SUBDINFO:
-		rc = do_subdinfo_ioctl(dev, (void *)arg, file);
+		rc = do_subdinfo_ioctl(dev,
+				       (struct comedi_subdinfo __user *)arg,
+				       file);
 		break;
 	case COMEDI_CHANINFO:
-		rc = do_chaninfo_ioctl(dev, (void *)arg);
+		rc = do_chaninfo_ioctl(dev, (void __user *)arg);
 		break;
 	case COMEDI_RANGEINFO:
-		rc = do_rangeinfo_ioctl(dev, (void *)arg);
+		rc = do_rangeinfo_ioctl(dev, (void __user *)arg);
 		break;
 	case COMEDI_BUFINFO:
-		rc = do_bufinfo_ioctl(dev, (void *)arg);
+		rc = do_bufinfo_ioctl(dev,
+				      (struct comedi_bufinfo __user *)arg);
 		break;
 	case COMEDI_LOCK:
 		rc = do_lock_ioctl(dev, arg, file);
@@ -168,16 +181,20 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
 		rc = do_cancel_ioctl(dev, arg, file);
 		break;
 	case COMEDI_CMD:
-		rc = do_cmd_ioctl(dev, (void *)arg, file);
+		rc = do_cmd_ioctl(dev, (struct comedi_cmd __user *)arg, file);
 		break;
 	case COMEDI_CMDTEST:
-		rc = do_cmdtest_ioctl(dev, (void *)arg, file);
+		rc = do_cmdtest_ioctl(dev, (struct comedi_cmd __user *)arg,
+				      file);
 		break;
 	case COMEDI_INSNLIST:
-		rc = do_insnlist_ioctl(dev, (void *)arg, file);
+		rc = do_insnlist_ioctl(dev,
+				       (struct comedi_insnlist __user *)arg,
+				       file);
 		break;
 	case COMEDI_INSN:
-		rc = do_insn_ioctl(dev, (void *)arg, file);
+		rc = do_insn_ioctl(dev, (struct comedi_insn __user *)arg,
+				   file);
 		break;
 	case COMEDI_POLL:
 		rc = do_poll_ioctl(dev, arg, file);
@@ -206,7 +223,7 @@ done:
 		none
 */
 static int do_devconfig_ioctl(struct comedi_device *dev,
-			      struct comedi_devconfig *arg)
+			      struct comedi_devconfig __user *arg)
 {
 	struct comedi_devconfig it;
 	int ret;
@@ -286,7 +303,8 @@ static int do_devconfig_ioctl(struct comedi_device *dev,
 		modified bufconfig at arg
 
 */
-static int do_bufconfig_ioctl(struct comedi_device *dev, void *arg)
+static int do_bufconfig_ioctl(struct comedi_device *dev,
+			      struct comedi_bufconfig __user *arg)
 {
 	struct comedi_bufconfig bc;
 	struct comedi_async *async;
@@ -347,7 +365,8 @@ copyback:
 
 */
 static int do_devinfo_ioctl(struct comedi_device *dev,
-			    struct comedi_devinfo *arg, struct file *file)
+			    struct comedi_devinfo __user *arg,
+			    struct file *file)
 {
 	struct comedi_devinfo devinfo;
 	const unsigned minor = iminor(file->f_dentry->d_inode);
@@ -397,7 +416,7 @@ static int do_devinfo_ioctl(struct comedi_device *dev,
 
 */
 static int do_subdinfo_ioctl(struct comedi_device *dev,
-			     struct comedi_subdinfo *arg, void *file)
+			     struct comedi_subdinfo __user *arg, void *file)
 {
 	int ret, i;
 	struct comedi_subdinfo *tmp, *us;
@@ -479,7 +498,7 @@ static int do_subdinfo_ioctl(struct comedi_device *dev,
 
 */
 static int do_chaninfo_ioctl(struct comedi_device *dev,
-			     struct comedi_chaninfo *arg)
+			     struct comedi_chaninfo __user *arg)
 {
 	struct comedi_subdevice *s;
 	struct comedi_chaninfo it;
@@ -543,7 +562,8 @@ static int do_chaninfo_ioctl(struct comedi_device *dev,
     modified bufinfo at arg
 
   */
-static int do_bufinfo_ioctl(struct comedi_device *dev, void *arg)
+static int do_bufinfo_ioctl(struct comedi_device *dev,
+			    struct comedi_bufinfo __user *arg)
 {
 	struct comedi_bufinfo bi;
 	struct comedi_subdevice *s;
@@ -615,7 +635,8 @@ static int parse_insn(struct comedi_device *dev, struct comedi_insn *insn,
  */
 /* arbitrary limits */
 #define MAX_SAMPLES 256
-static int do_insnlist_ioctl(struct comedi_device *dev, void *arg, void *file)
+static int do_insnlist_ioctl(struct comedi_device *dev,
+			     struct comedi_insnlist __user *arg, void *file)
 {
 	struct comedi_insnlist insnlist;
 	struct comedi_insn *insns = NULL;
@@ -909,7 +930,8 @@ out:
  *	writes:
  *		data (for reads)
  */
-static int do_insn_ioctl(struct comedi_device *dev, void *arg, void *file)
+static int do_insn_ioctl(struct comedi_device *dev,
+			 struct comedi_insn __user *arg, void *file)
 {
 	struct comedi_insn insn;
 	unsigned int *data = NULL;
@@ -940,8 +962,7 @@ static int do_insn_ioctl(struct comedi_device *dev, void *arg, void *file)
 	if (ret < 0)
 		goto error;
 	if (insn.insn & INSN_MASK_READ) {
-		if (copy_to_user
-		    (insn.data, data, insn.n * sizeof(unsigned int))) {
+		if (copy_to_user(insn.data, data, insn.n * sizeof(unsigned int))) {
 			ret = -EFAULT;
 			goto error;
 		}
@@ -965,30 +986,16 @@ static void comedi_set_subdevice_runflags(struct comedi_subdevice *s,
 	spin_unlock_irqrestore(&s->spin_lock, flags);
 }
 
-/*
-	COMEDI_CMD
-	command ioctl
-
-	arg:
-		pointer to cmd structure
-
-	reads:
-		cmd structure at arg
-		channel/range list
-
-	writes:
-		modified cmd structure at arg
-
-*/
-static int do_cmd_ioctl(struct comedi_device *dev, void *arg, void *file)
+static int do_cmd_ioctl(struct comedi_device *dev,
+			struct comedi_cmd __user *cmd, void *file)
 {
 	struct comedi_cmd user_cmd;
 	struct comedi_subdevice *s;
 	struct comedi_async *async;
 	int ret = 0;
-	unsigned int *chanlist_saver = NULL;
+	unsigned int __user *chanlist_saver = NULL;
 
-	if (copy_from_user(&user_cmd, arg, sizeof(struct comedi_cmd))) {
+	if (copy_from_user(&user_cmd, cmd, sizeof(struct comedi_cmd))) {
 		DPRINTK("bad cmd address\n");
 		return -EFAULT;
 	}
@@ -1077,7 +1084,7 @@ static int do_cmd_ioctl(struct comedi_device *dev, void *arg, void *file)
 		/* restore chanlist pointer before copying back */
 		user_cmd.chanlist = chanlist_saver;
 		user_cmd.data = NULL;
-		if (copy_to_user(arg, &user_cmd, sizeof(struct comedi_cmd))) {
+		if (copy_to_user(cmd, &user_cmd, sizeof(struct comedi_cmd))) {
 			DPRINTK("fault writing cmd\n");
 			ret = -EFAULT;
 			goto cleanup;
@@ -1127,13 +1134,14 @@ cleanup:
 		modified cmd structure at arg
 
 */
-static int do_cmdtest_ioctl(struct comedi_device *dev, void *arg, void *file)
+static int do_cmdtest_ioctl(struct comedi_device *dev,
+			    struct comedi_cmd __user *arg, void *file)
 {
 	struct comedi_cmd user_cmd;
 	struct comedi_subdevice *s;
 	int ret = 0;
 	unsigned int *chanlist = NULL;
-	unsigned int *chanlist_saver = NULL;
+	unsigned int __user *chanlist_saver = NULL;
 
 	if (copy_from_user(&user_cmd, arg, sizeof(struct comedi_cmd))) {
 		DPRINTK("bad cmd address\n");
@@ -1384,7 +1392,7 @@ static int do_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 	return ret;
 }
 
-void comedi_unmap(struct vm_area_struct *area)
+static void comedi_unmap(struct vm_area_struct *area)
 {
 	struct comedi_async *async;
 	struct comedi_device *dev;
@@ -1522,8 +1530,8 @@ static unsigned int comedi_poll(struct file *file, poll_table * wait)
 	return mask;
 }
 
-static ssize_t comedi_write(struct file *file, const char *buf, size_t nbytes,
-				loff_t *offset)
+static ssize_t comedi_write(struct file *file, const char __user *buf,
+			    size_t nbytes, loff_t *offset)
 {
 	struct comedi_subdevice *s;
 	struct comedi_async *async;
@@ -1624,7 +1632,7 @@ done:
 	return count ? count : retval;
 }
 
-static ssize_t comedi_read(struct file *file, char *buf, size_t nbytes,
+static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
 				loff_t *offset)
 {
 	struct comedi_subdevice *s;
@@ -2063,7 +2071,7 @@ static int is_device_busy(struct comedi_device *dev)
 	return 0;
 }
 
-void comedi_device_init(struct comedi_device *dev)
+static void comedi_device_init(struct comedi_device *dev)
 {
 	memset(dev, 0, sizeof(struct comedi_device));
 	spin_lock_init(&dev->spinlock);
@@ -2071,7 +2079,7 @@ void comedi_device_init(struct comedi_device *dev)
 	dev->minor = -1;
 }
 
-void comedi_device_cleanup(struct comedi_device *dev)
+static void comedi_device_cleanup(struct comedi_device *dev)
 {
 	if (dev == NULL)
 		return;

From c88c4e4c7a427ee65556f33e6327b604ec209ec3 Mon Sep 17 00:00:00 2001
From: Hank Janssen <hjanssen@microsoft.com>
Date: Tue, 4 May 2010 15:55:05 -0700
Subject: [PATCH 1119/3638] Staging: hv: Added new hv_utils driver with
 shutdown as first functionality

Addition of new driver for Hyper-V called hv_utils.
This driver is intended to support things like KVP, Timesync, Heartbeat etc.

This first release has support for Gracefull shutdown.
e.g. Select shutdown from the Hyper-V main admin screen and the Linux VM
will do a gracefull shutdown.

Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c           |  34 +++++-
 drivers/staging/hv/ChannelMgmt.c       | 148 ++++++++++++++++++++++++-
 drivers/staging/hv/Kconfig             |   6 +
 drivers/staging/hv/Makefile            |   2 +
 drivers/staging/hv/VmbusPacketFormat.h |   1 +
 drivers/staging/hv/ext_utils.c         |  27 +++++
 drivers/staging/hv/hyperv_utils.c      | 134 ++++++++++++++++++++++
 drivers/staging/hv/utils.h             |  94 ++++++++++++++++
 8 files changed, 438 insertions(+), 8 deletions(-)
 create mode 100644 drivers/staging/hv/ext_utils.c
 create mode 100644 drivers/staging/hv/hyperv_utils.c
 create mode 100644 drivers/staging/hv/utils.h

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index 328d3a0d0bd..de2ccb1082c 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -21,6 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 #include "osd.h"
 #include "logging.h"
 #include "VmbusPrivate.h"
@@ -666,8 +667,19 @@ void VmbusChannelClose(struct vmbus_channel *Channel)
 	DPRINT_EXIT(VMBUS);
 }
 
-/*
- * VmbusChannelSendPacket - Send the specified buffer on the given channel
+/**
+ * VmbusChannelSendPacket() - Send the specified buffer on the given channel
+ * @Channel: Pointer to vmbus_channel structure.
+ * @Buffer: Pointer to the buffer you want to receive the data into.
+ * @BufferLen: Maximum size of what the the buffer will hold
+ * @RequestId: Identifier of the request
+ * @vmbus_packet_type: Type of packet that is being send e.g. negotiate, time
+ * packet etc.
+ *
+ * Sends data in @Buffer directly to hyper-v via the vmbus
+ * This will send the data unparsed to hyper-v.
+ *
+ * Mainly used by Hyper-V drivers.
  */
 int VmbusChannelSendPacket(struct vmbus_channel *Channel, const void *Buffer,
 			   u32 BufferLen, u64 RequestId,
@@ -711,6 +723,7 @@ int VmbusChannelSendPacket(struct vmbus_channel *Channel, const void *Buffer,
 
 	return ret;
 }
+EXPORT_SYMBOL(VmbusChannelSendPacket);
 
 /*
  * VmbusChannelSendPacketPageBuffer - Send a range of single-page buffer
@@ -848,10 +861,20 @@ int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *Channel,
 	return ret;
 }
 
-/*
- * VmbusChannelRecvPacket - Retrieve the user packet on the specified channel
+
+/**
+ * VmbusChannelRecvPacket() - Retrieve the user packet on the specified channel
+ * @Channel: Pointer to vmbus_channel structure.
+ * @Buffer: Pointer to the buffer you want to receive the data into.
+ * @BufferLen: Maximum size of what the the buffer will hold
+ * @BufferActualLen: The actual size of the data after it was received
+ * @RequestId: Identifier of the request
+ *
+ * Receives directly from the hyper-v vmbus and puts the data it received
+ * into Buffer. This will receive the data unparsed from hyper-v.
+ *
+ * Mainly used by Hyper-V drivers.
  */
-/* TODO: Do we ever receive a gpa direct packet other than the ones we send ? */
 int VmbusChannelRecvPacket(struct vmbus_channel *Channel, void *Buffer,
 			   u32 BufferLen, u32 *BufferActualLen, u64 *RequestId)
 {
@@ -913,6 +936,7 @@ int VmbusChannelRecvPacket(struct vmbus_channel *Channel, void *Buffer,
 
 	return 0;
 }
+EXPORT_SYMBOL(VmbusChannelRecvPacket);
 
 /*
  * VmbusChannelRecvPacketRaw - Retrieve the raw packet on the specified channel
diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/ChannelMgmt.c
index 43f28f23c31..445506d45ed 100644
--- a/drivers/staging/hv/ChannelMgmt.c
+++ b/drivers/staging/hv/ChannelMgmt.c
@@ -22,18 +22,22 @@
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/list.h>
+#include <linux/module.h>
 #include "osd.h"
 #include "logging.h"
 #include "VmbusPrivate.h"
+#include "utils.h"
 
 struct vmbus_channel_message_table_entry {
 	enum vmbus_channel_message_type messageType;
 	void (*messageHandler)(struct vmbus_channel_message_header *msg);
 };
 
-#define MAX_NUM_DEVICE_CLASSES_SUPPORTED 4
+#define MAX_MSG_TYPES                    1
+#define MAX_NUM_DEVICE_CLASSES_SUPPORTED 5
+
 static const struct hv_guid
-		gSupportedDeviceClasses[MAX_NUM_DEVICE_CLASSES_SUPPORTED] = {
+	gSupportedDeviceClasses[MAX_NUM_DEVICE_CLASSES_SUPPORTED] = {
 	/* {ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} */
 	/* Storage - SCSI */
 	{
@@ -69,8 +73,127 @@ static const struct hv_guid
 			0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5
 		}
 	},
+	/* 0E0B6031-5213-4934-818B-38D90CED39DB */
+	/* Shutdown */
+	{
+		.data = {
+			0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49,
+			0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB
+		}
+	},
 };
 
+
+/**
+ * prep_negotiate_resp() - Create default response for Hyper-V Negotiate message
+ * @icmsghdrp: Pointer to msg header structure
+ * @icmsg_negotiate: Pointer to negotiate message structure
+ * @buf: Raw buffer channel data
+ *
+ * @icmsghdrp is of type &struct icmsg_hdr.
+ * @negop is of type &struct icmsg_negotiate.
+ * Set up and fill in default negotiate response message. This response can
+ * come from both the vmbus driver and the hv_utils driver. The current api
+ * will respond properly to both Windows 2008 and Windows 2008-R2 operating
+ * systems.
+ *
+ * Mainly used by Hyper-V drivers.
+ */
+void prep_negotiate_resp(struct icmsg_hdr *icmsghdrp,
+			     struct icmsg_negotiate *negop,
+			     u8 *buf)
+{
+	if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
+		icmsghdrp->icmsgsize = 0x10;
+
+		negop = (struct icmsg_negotiate *)&buf[
+			sizeof(struct vmbuspipe_hdr) +
+			sizeof(struct icmsg_hdr)];
+
+		if (negop->icframe_vercnt == 2 &&
+		   negop->icversion_data[1].major == 3) {
+			negop->icversion_data[0].major = 3;
+			negop->icversion_data[0].minor = 0;
+			negop->icversion_data[1].major = 3;
+			negop->icversion_data[1].minor = 0;
+		} else {
+			negop->icversion_data[0].major = 1;
+			negop->icversion_data[0].minor = 0;
+			negop->icversion_data[1].major = 1;
+			negop->icversion_data[1].minor = 0;
+		}
+
+		negop->icframe_vercnt = 1;
+		negop->icmsg_vercnt = 1;
+	}
+}
+EXPORT_SYMBOL(prep_negotiate_resp);
+
+/**
+ * chn_cb_negotiate() - Default handler for non IDE/SCSI/NETWORK
+ * Hyper-V requests
+ * @context: Pointer to argument structure.
+ *
+ * Set up the default handler for non device driver specific requests
+ * from Hyper-V. This stub responds to the default negotiate messages
+ * that come in for every non IDE/SCSI/Network request.
+ * This behavior is normally overwritten in the hv_utils driver. That
+ * driver handles requests like gracefull shutdown, heartbeats etc.
+ *
+ * Mainly used by Hyper-V drivers.
+ */
+void chn_cb_negotiate(void *context)
+{
+	struct vmbus_channel *channel = context;
+	u8 *buf;
+	u32 buflen, recvlen;
+	u64 requestid;
+
+	struct icmsg_hdr *icmsghdrp;
+	struct icmsg_negotiate *negop = NULL;
+
+	buflen = PAGE_SIZE;
+	buf = kmalloc(buflen, GFP_ATOMIC);
+
+	VmbusChannelRecvPacket(channel, buf, buflen, &recvlen, &requestid);
+
+	if (recvlen > 0) {
+		icmsghdrp = (struct icmsg_hdr *)&buf[
+			sizeof(struct vmbuspipe_hdr)];
+
+		prep_negotiate_resp(icmsghdrp, negop, buf);
+
+		icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION
+			| ICMSGHDRFLAG_RESPONSE;
+
+		VmbusChannelSendPacket(channel, buf,
+				       recvlen, requestid,
+				       VmbusPacketTypeDataInBand, 0);
+	}
+
+	kfree(buf);
+}
+EXPORT_SYMBOL(chn_cb_negotiate);
+
+/*
+ * Function table used for message responses for non IDE/SCSI/Network type
+ * messages. (Such as KVP/Shutdown etc)
+ */
+struct hyperv_service_callback hv_cb_utils[MAX_MSG_TYPES] = {
+	/* 0E0B6031-5213-4934-818B-38D90CED39DB */
+	/* Shutdown */
+	{
+		.msg_type = HV_SHUTDOWN_MSG,
+		.data = {
+			0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49,
+			0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB
+		},
+		.callback = chn_cb_negotiate,
+		.log_msg = "Shutdown channel functionality initialized"
+	},
+};
+EXPORT_SYMBOL(hv_cb_utils);
+
 /*
  * AllocVmbusChannel - Allocate and initialize a vmbus channel object
  */
@@ -132,7 +255,8 @@ void FreeVmbusChannel(struct vmbus_channel *Channel)
 }
 
 /*
- * VmbusChannelProcessOffer - Process the offer by creating a channel/device associated with this offer
+ * VmbusChannelProcessOffer - Process the offer by creating a channel/device
+ * associated with this offer
  */
 static void VmbusChannelProcessOffer(void *context)
 {
@@ -140,6 +264,7 @@ static void VmbusChannelProcessOffer(void *context)
 	struct vmbus_channel *channel;
 	bool fNew = true;
 	int ret;
+	int cnt;
 	unsigned long flags;
 
 	DPRINT_ENTER(VMBUS);
@@ -209,6 +334,23 @@ static void VmbusChannelProcessOffer(void *context)
 		 * can cleanup properly
 		 */
 		newChannel->State = CHANNEL_OPEN_STATE;
+		cnt = 0;
+
+		while (cnt != MAX_MSG_TYPES) {
+			if (memcmp(&newChannel->OfferMsg.Offer.InterfaceType,
+				   &hv_cb_utils[cnt].data,
+				   sizeof(struct hv_guid)) == 0) {
+				DPRINT_INFO(VMBUS, "%s",
+					    hv_cb_utils[cnt].log_msg);
+
+				if (VmbusChannelOpen(newChannel, 2 * PAGE_SIZE,
+						    2 * PAGE_SIZE, NULL, 0,
+						    hv_cb_utils[cnt].callback,
+						    newChannel) == 0)
+					hv_cb_utils[cnt].channel = newChannel;
+			}
+			cnt++;
+		}
 	}
 	DPRINT_EXIT(VMBUS);
 }
diff --git a/drivers/staging/hv/Kconfig b/drivers/staging/hv/Kconfig
index 40447020a79..79afb1e96c3 100644
--- a/drivers/staging/hv/Kconfig
+++ b/drivers/staging/hv/Kconfig
@@ -29,4 +29,10 @@ config HYPERV_NET
 	help
 	  Select this option to enable the Hyper-V virtual network driver.
 
+config HYPERV_UTILS
+	tristate "Microsoft Hyper-V Utilities driver"
+	default HYPERV
+	help
+	  Select this option to enable the Hyper-V Utilities.
+
 endif
diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 27ebae8a918..d2977ab9db4 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -2,6 +2,7 @@ obj-$(CONFIG_HYPERV)		+= hv_vmbus.o
 obj-$(CONFIG_HYPERV_STORAGE)	+= hv_storvsc.o
 obj-$(CONFIG_HYPERV_BLOCK)	+= hv_blkvsc.o
 obj-$(CONFIG_HYPERV_NET)	+= hv_netvsc.o
+obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o \
 		 Vmbus.o Hv.o Connection.o Channel.o \
@@ -9,3 +10,4 @@ hv_vmbus-objs := vmbus_drv.o osd.o \
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
 hv_netvsc-objs := netvsc_drv.o NetVsc.o RndisFilter.o
+hv_utils-objs := hyperv_utils.o ext_utils.o
diff --git a/drivers/staging/hv/VmbusPacketFormat.h b/drivers/staging/hv/VmbusPacketFormat.h
index 79120bc742d..f9f6b4bf6fb 100644
--- a/drivers/staging/hv/VmbusPacketFormat.h
+++ b/drivers/staging/hv/VmbusPacketFormat.h
@@ -22,6 +22,7 @@
  */
 
 #ifndef _VMBUSPACKETFORMAT_H_
+#define _VMBUSPACKETFORMAT_H_
 
 struct vmpacket_descriptor {
 	u16 Type;
diff --git a/drivers/staging/hv/ext_utils.c b/drivers/staging/hv/ext_utils.c
new file mode 100644
index 00000000000..a44cd1b93e0
--- /dev/null
+++ b/drivers/staging/hv/ext_utils.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2010, Microsoft Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * Authors:
+ *   Haiyang Zhang <haiyangz@microsoft.com>
+ *   Hank Janssen  <hjanssen@microsoft.com>
+ */
+#include <linux/reboot.h>
+#include "utils.h"
+
+void shutdown_linux_system()
+{
+	orderly_poweroff(false);
+}
diff --git a/drivers/staging/hv/hyperv_utils.c b/drivers/staging/hv/hyperv_utils.c
new file mode 100644
index 00000000000..2a4864784ed
--- /dev/null
+++ b/drivers/staging/hv/hyperv_utils.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2010, Microsoft Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * Authors:
+ *   Haiyang Zhang <haiyangz@microsoft.com>
+ *   Hank Janssen  <hjanssen@microsoft.com>
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/sysctl.h>
+#include <linux/version.h>
+
+#include "logging.h"
+#include "osd.h"
+#include "vmbus.h"
+#include "VmbusPacketFormat.h"
+#include "VmbusChannelInterface.h"
+#include "VersionInfo.h"
+#include "Channel.h"
+#include "VmbusPrivate.h"
+#include "VmbusApi.h"
+#include "utils.h"
+
+
+void shutdown_onchannelcallback(void *context)
+{
+	struct vmbus_channel *channel = context;
+	u8 *buf;
+	u32 buflen, recvlen;
+	u64 requestid;
+	u8  execute_shutdown = false;
+
+	struct shutdown_msg_data *shutdown_msg;
+
+	struct icmsg_hdr *icmsghdrp;
+	struct icmsg_negotiate *negop = NULL;
+
+	DPRINT_ENTER(VMBUS);
+
+	buflen = PAGE_SIZE;
+	buf = kmalloc(buflen, GFP_ATOMIC);
+
+	VmbusChannelRecvPacket(channel, buf, buflen, &recvlen, &requestid);
+
+	if (recvlen > 0) {
+		DPRINT_DBG(VMBUS, "shutdown packet: len=%d, requestid=%lld",
+			   recvlen, requestid);
+
+		icmsghdrp = (struct icmsg_hdr *)&buf[
+			sizeof(struct vmbuspipe_hdr)];
+
+		if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
+			prep_negotiate_resp(icmsghdrp, negop, buf);
+		} else {
+			shutdown_msg = (struct shutdown_msg_data *)&buf[
+				sizeof(struct vmbuspipe_hdr) +
+				sizeof(struct icmsg_hdr)];
+
+			switch (shutdown_msg->flags) {
+			case 0:
+			case 1:
+				icmsghdrp->status = HV_S_OK;
+				execute_shutdown = true;
+
+				DPRINT_INFO(VMBUS, "Shutdown request received -"
+					    " gracefull shutdown initiated");
+				break;
+			default:
+				icmsghdrp->status = HV_E_FAIL;
+				execute_shutdown = false;
+
+				DPRINT_INFO(VMBUS, "Shutdown request received -"
+					    " Invalid request");
+				break;
+			};
+		}
+
+		icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION
+			| ICMSGHDRFLAG_RESPONSE;
+
+		VmbusChannelSendPacket(channel, buf,
+				       recvlen, requestid,
+				       VmbusPacketTypeDataInBand, 0);
+	}
+
+	kfree(buf);
+
+	DPRINT_EXIT(VMBUS);
+
+	if (execute_shutdown == true)
+		shutdown_linux_system();
+}
+
+static int __init init_hyperv_utils(void)
+{
+	printk(KERN_INFO "Registering HyperV Utility Driver\n");
+
+	hv_cb_utils[HV_SHUTDOWN_MSG].channel->OnChannelCallback =
+		&shutdown_onchannelcallback;
+	hv_cb_utils[HV_SHUTDOWN_MSG].callback = &shutdown_onchannelcallback;
+
+	return 0;
+}
+
+static void exit_hyperv_utils(void)
+{
+	printk(KERN_INFO "De-Registered HyperV Utility Driver\n");
+
+	hv_cb_utils[HV_SHUTDOWN_MSG].channel->OnChannelCallback =
+		&chn_cb_negotiate;
+	hv_cb_utils[HV_SHUTDOWN_MSG].callback = &chn_cb_negotiate;
+}
+
+module_init(init_hyperv_utils);
+module_exit(exit_hyperv_utils);
+
+MODULE_DESCRIPTION("Hyper-V Utilities");
+MODULE_VERSION(HV_DRV_VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/hv/utils.h b/drivers/staging/hv/utils.h
new file mode 100644
index 00000000000..4e09804e5b9
--- /dev/null
+++ b/drivers/staging/hv/utils.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2009, Microsoft Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * Authors:
+ *   Haiyang Zhang <haiyangz@microsoft.com>
+ *   Hank Janssen  <hjanssen@microsoft.com>
+ */
+#ifndef _UTILS_H_
+#define _UTILS_H_
+
+/*
+ * Common header for Hyper-V ICs
+ */
+#define ICMSGTYPE_NEGOTIATE   0
+#define ICMSGTYPE_HEARTBEAT   1
+#define ICMSGTYPE_KVPEXCHANGE 2
+#define ICMSGTYPE_SHUTDOWN    3
+#define ICMSGTYPE_TIMESYNC    4
+#define ICMSGTYPE_VSS         5
+
+#define ICMSGHDRFLAG_TRANSACTION 1
+#define ICMSGHDRFLAG_REQUEST     2
+#define ICMSGHDRFLAG_RESPONSE    4
+
+#define HV_S_OK                   0x00000000
+#define HV_E_FAIL                 0x80004005
+#define HV_ERROR_NOT_SUPPORTED    0x80070032
+#define HV_ERROR_MACHINE_LOCKED   0x800704F7
+
+struct vmbuspipe_hdr {
+    u32 flags;
+    u32 msgsize;
+} __attribute__((packed));
+
+struct ic_version {
+    u16 major;
+    u16 minor;
+} __attribute__((packed));
+
+struct icmsg_hdr {
+    struct ic_version icverframe;
+    u16 icmsgtype;
+    struct ic_version icvermsg;
+    u16 icmsgsize;
+    u32 status;
+    u8 ictransaction_id;
+    u8 icflags;
+    u8 reserved[2];
+} __attribute__((packed));
+
+struct icmsg_negotiate {
+    u16 icframe_vercnt;
+    u16 icmsg_vercnt;
+    u32 reserved;
+    struct ic_version icversion_data[1]; /* any size array */
+} __attribute__((packed));
+
+struct shutdown_msg_data {
+	u32 reason_code;
+	u32 timeout_seconds;
+	u32 flags;
+	u8  display_message[2048];
+} __attribute__((packed));
+
+#define HV_SHUTDOWN_MSG             0
+
+struct hyperv_service_callback {
+	u8 msg_type;
+	char *log_msg;
+	unsigned char data[16];
+	struct vmbus_channel *channel;
+	void (*callback) (void *context);
+};
+
+extern void prep_negotiate_resp(struct icmsg_hdr *,
+				    struct icmsg_negotiate *, u8 *);
+extern void shutdown_linux_system(void);
+extern void chn_cb_negotiate(void *);
+extern struct hyperv_service_callback hv_cb_utils[];
+
+#endif /* _UTILS_H_ */

From b3413092cc86d6c1b5b1408c3bb37998a82a588a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 08:21:01 -0700
Subject: [PATCH 1120/3638] Staging: hv: fix up formatting issues in utils.h

--------  cut here and print out and paste on wall --------

			Tabs, not spaces

--------  cut here and print out and paste on wall --------

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/utils.h | 68 +++++++++++++++++++-------------------
 1 file changed, 34 insertions(+), 34 deletions(-)

diff --git a/drivers/staging/hv/utils.h b/drivers/staging/hv/utils.h
index 4e09804e5b9..0f2507dcc89 100644
--- a/drivers/staging/hv/utils.h
+++ b/drivers/staging/hv/utils.h
@@ -18,54 +18,54 @@
  *   Haiyang Zhang <haiyangz@microsoft.com>
  *   Hank Janssen  <hjanssen@microsoft.com>
  */
-#ifndef _UTILS_H_
-#define _UTILS_H_
+#ifndef __HV_UTILS_H_
+#define __HV_UTILS_H_
 
 /*
  * Common header for Hyper-V ICs
  */
-#define ICMSGTYPE_NEGOTIATE   0
-#define ICMSGTYPE_HEARTBEAT   1
-#define ICMSGTYPE_KVPEXCHANGE 2
-#define ICMSGTYPE_SHUTDOWN    3
-#define ICMSGTYPE_TIMESYNC    4
-#define ICMSGTYPE_VSS         5
+#define ICMSGTYPE_NEGOTIATE		0
+#define ICMSGTYPE_HEARTBEAT		1
+#define ICMSGTYPE_KVPEXCHANGE		2
+#define ICMSGTYPE_SHUTDOWN		3
+#define ICMSGTYPE_TIMESYNC		4
+#define ICMSGTYPE_VSS			5
 
-#define ICMSGHDRFLAG_TRANSACTION 1
-#define ICMSGHDRFLAG_REQUEST     2
-#define ICMSGHDRFLAG_RESPONSE    4
+#define ICMSGHDRFLAG_TRANSACTION	1
+#define ICMSGHDRFLAG_REQUEST		2
+#define ICMSGHDRFLAG_RESPONSE		4
 
-#define HV_S_OK                   0x00000000
-#define HV_E_FAIL                 0x80004005
-#define HV_ERROR_NOT_SUPPORTED    0x80070032
-#define HV_ERROR_MACHINE_LOCKED   0x800704F7
+#define HV_S_OK				0x00000000
+#define HV_E_FAIL			0x80004005
+#define HV_ERROR_NOT_SUPPORTED		0x80070032
+#define HV_ERROR_MACHINE_LOCKED		0x800704F7
 
 struct vmbuspipe_hdr {
-    u32 flags;
-    u32 msgsize;
+	u32 flags;
+	u32 msgsize;
 } __attribute__((packed));
 
 struct ic_version {
-    u16 major;
-    u16 minor;
+	u16 major;
+	u16 minor;
 } __attribute__((packed));
 
 struct icmsg_hdr {
-    struct ic_version icverframe;
-    u16 icmsgtype;
-    struct ic_version icvermsg;
-    u16 icmsgsize;
-    u32 status;
-    u8 ictransaction_id;
-    u8 icflags;
-    u8 reserved[2];
+	struct ic_version icverframe;
+	u16 icmsgtype;
+	struct ic_version icvermsg;
+	u16 icmsgsize;
+	u32 status;
+	u8 ictransaction_id;
+	u8 icflags;
+	u8 reserved[2];
 } __attribute__((packed));
 
 struct icmsg_negotiate {
-    u16 icframe_vercnt;
-    u16 icmsg_vercnt;
-    u32 reserved;
-    struct ic_version icversion_data[1]; /* any size array */
+	u16 icframe_vercnt;
+	u16 icmsg_vercnt;
+	u32 reserved;
+	struct ic_version icversion_data[1]; /* any size array */
 } __attribute__((packed));
 
 struct shutdown_msg_data {
@@ -75,7 +75,7 @@ struct shutdown_msg_data {
 	u8  display_message[2048];
 } __attribute__((packed));
 
-#define HV_SHUTDOWN_MSG             0
+#define HV_SHUTDOWN_MSG		0
 
 struct hyperv_service_callback {
 	u8 msg_type;
@@ -86,9 +86,9 @@ struct hyperv_service_callback {
 };
 
 extern void prep_negotiate_resp(struct icmsg_hdr *,
-				    struct icmsg_negotiate *, u8 *);
+				struct icmsg_negotiate *, u8 *);
 extern void shutdown_linux_system(void);
 extern void chn_cb_negotiate(void *);
 extern struct hyperv_service_callback hv_cb_utils[];
 
-#endif /* _UTILS_H_ */
+#endif /* __HV_UTILS_H_ */

From 9e629075ac694ab4d4971d4e62dfb749118bce70 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 08:26:23 -0700
Subject: [PATCH 1121/3638] Staging: hv: delete ext_utils.c

A whole file just for a single line function call is beyond silly.
Delete it and move the call into where it is being called.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile       |  2 +-
 drivers/staging/hv/ext_utils.c    | 27 ---------------------------
 drivers/staging/hv/hyperv_utils.c |  3 ++-
 drivers/staging/hv/utils.h        |  1 -
 4 files changed, 3 insertions(+), 30 deletions(-)
 delete mode 100644 drivers/staging/hv/ext_utils.c

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index d2977ab9db4..7a57a886ab1 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -10,4 +10,4 @@ hv_vmbus-objs := vmbus_drv.o osd.o \
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
 hv_netvsc-objs := netvsc_drv.o NetVsc.o RndisFilter.o
-hv_utils-objs := hyperv_utils.o ext_utils.o
+hv_utils-objs := hyperv_utils.o
diff --git a/drivers/staging/hv/ext_utils.c b/drivers/staging/hv/ext_utils.c
deleted file mode 100644
index a44cd1b93e0..00000000000
--- a/drivers/staging/hv/ext_utils.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (c) 2010, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- */
-#include <linux/reboot.h>
-#include "utils.h"
-
-void shutdown_linux_system()
-{
-	orderly_poweroff(false);
-}
diff --git a/drivers/staging/hv/hyperv_utils.c b/drivers/staging/hv/hyperv_utils.c
index 2a4864784ed..ca52fbada7d 100644
--- a/drivers/staging/hv/hyperv_utils.c
+++ b/drivers/staging/hv/hyperv_utils.c
@@ -23,6 +23,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sysctl.h>
+#include <linux/reboot.h>
 #include <linux/version.h>
 
 #include "logging.h"
@@ -103,7 +104,7 @@ void shutdown_onchannelcallback(void *context)
 	DPRINT_EXIT(VMBUS);
 
 	if (execute_shutdown == true)
-		shutdown_linux_system();
+		orderly_poweroff(false);
 }
 
 static int __init init_hyperv_utils(void)
diff --git a/drivers/staging/hv/utils.h b/drivers/staging/hv/utils.h
index 0f2507dcc89..e404b21e9af 100644
--- a/drivers/staging/hv/utils.h
+++ b/drivers/staging/hv/utils.h
@@ -87,7 +87,6 @@ struct hyperv_service_callback {
 
 extern void prep_negotiate_resp(struct icmsg_hdr *,
 				struct icmsg_negotiate *, u8 *);
-extern void shutdown_linux_system(void);
 extern void chn_cb_negotiate(void *);
 extern struct hyperv_service_callback hv_cb_utils[];
 

From 8566ea7c6f9660623a6f04bc73431f761dee32c7 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Mon, 3 May 2010 17:50:45 -0400
Subject: [PATCH 1122/3638] Staging: hv: move ASSERT(scmnd) to a more useful
 location

There's not much point to make sure scmnd is not NULL after an assert
that would dereference scmnd.  The ASSERT()'s should be removed, but
until they are at least they at least can be in the right order.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/storvsc_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 5e28e4c3643..26b35a6c679 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -386,9 +386,9 @@ static void storvsc_commmand_completion(struct hv_storvsc_request *request)
 	struct scsi_sense_hdr sense_hdr;
 
 	ASSERT(request == &cmd_request->request);
+	ASSERT(scmnd);
 	ASSERT((unsigned long)scmnd->host_scribble ==
 		(unsigned long)cmd_request);
-	ASSERT(scmnd);
 	ASSERT(scmnd->scsi_done);
 
 	DPRINT_ENTER(STORVSC_DRV);

From 694a98073f83ce1c14e3c0bba182bfeba5c44f01 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 3 May 2010 12:33:16 -0700
Subject: [PATCH 1123/3638] Staging: staging/cxt1e1: Convert bare printks to
 pr_<level>

Added #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
A few line splits for long arguments
A couple of embedded function names converted to "%s", __func__
Removed some uses of THIS_MODULE->name

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/cxt1e1/comet.c               |   8 +-
 drivers/staging/cxt1e1/functions.c           |   4 +-
 drivers/staging/cxt1e1/hwprobe.c             |  22 +--
 drivers/staging/cxt1e1/linux.c               |  28 +--
 drivers/staging/cxt1e1/musycc.c              | 128 ++++++-------
 drivers/staging/cxt1e1/pmc93x6_eeprom.c      |  12 +-
 drivers/staging/cxt1e1/pmcc4_drv.c           | 183 ++++++++++---------
 drivers/staging/cxt1e1/sbecom_inline_linux.h |   4 +-
 drivers/staging/cxt1e1/sbeproc.c             |   6 +-
 9 files changed, 204 insertions(+), 191 deletions(-)

diff --git a/drivers/staging/cxt1e1/comet.c b/drivers/staging/cxt1e1/comet.c
index b7090996703..dcbe6b62845 100644
--- a/drivers/staging/cxt1e1/comet.c
+++ b/drivers/staging/cxt1e1/comet.c
@@ -11,6 +11,8 @@
  *   GNU General Public License for more details.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <asm/io.h>
 #include <linux/hdlc.h>
 #include "pmcc4_sysdep.h"
@@ -291,12 +293,12 @@ init_comet (void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster,
         if ((moreParams & CFG_CLK_PORT_MASK) == CFG_CLK_PORT_INTERNAL)
         {
             if (log_level >= LOG_SBEBUG12)
-                printk (">> init_comet: clockmaster internal clock\n");
+                pr_info(">> %s: clockmaster internal clock\n", __func__);
             pci_write_32 ((u_int32_t *) &comet->tx_time, 0x0d); /* internal oscillator */
         } else                      /* external clock source */
         {
             if (log_level >= LOG_SBEBUG12)
-                printk (">> init_comet: clockmaster external clock\n");
+                pr_info(">> %s: clockmaster external clock\n", __func__);
             pci_write_32 ((u_int32_t *) &comet->tx_time, 0x09); /* loop timing
                                                                  * (external) */
         }
@@ -311,7 +313,7 @@ init_comet (void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster,
         pci_write_32 ((u_int32_t *) &comet->brif_fpcfg, 0x20);  /* Slave Mode i.e.
                                                                  * FPMODE=1 (@0x20) */
         if (log_level >= LOG_SBEBUG12)
-            printk (">> init_comet: clockslave internal clock\n");
+            pr_info(">> %s: clockslave internal clock\n", __func__);
         pci_write_32 ((u_int32_t *) &comet->tx_time, 0x0d);     /* oscillator timing */
     }
 
diff --git a/drivers/staging/cxt1e1/functions.c b/drivers/staging/cxt1e1/functions.c
index 738129d62bb..86b49809026 100644
--- a/drivers/staging/cxt1e1/functions.c
+++ b/drivers/staging/cxt1e1/functions.c
@@ -68,7 +68,7 @@ pci_read_32 (u_int32_t *p)
     FLUSH_PCI_READ ();
     v = le32_to_cpu (*p);
     if (log_level >= LOG_DEBUG)
-        printk ("pci_read : %x = %x\n", (u_int32_t) p, v);
+        pr_info("pci_read : %x = %x\n", (u_int32_t) p, v);
     return v;
 #else
     FLUSH_PCI_READ ();              /* */
@@ -81,7 +81,7 @@ pci_write_32 (u_int32_t *p, u_int32_t v)
 {
 #ifdef FLOW_DEBUG
     if (log_level >= LOG_DEBUG)
-        printk ("pci_write: %x = %x\n", (u_int32_t) p, v);
+        pr_info("pci_write: %x = %x\n", (u_int32_t) p, v);
 #endif
     *p = cpu_to_le32 (v);
     FLUSH_PCI_WRITE ();             /* This routine is called from routines
diff --git a/drivers/staging/cxt1e1/hwprobe.c b/drivers/staging/cxt1e1/hwprobe.c
index 571fa1f7ddb..8d4e8d28af5 100644
--- a/drivers/staging/cxt1e1/hwprobe.c
+++ b/drivers/staging/cxt1e1/hwprobe.c
@@ -83,17 +83,17 @@ show_two (hdw_info_t * hi, int brdno)
               (sn[5] & 0x0000ff),
              (u_int8_t) hi->revid[0]);
 
-    printk ("%s\n", banner);
+    pr_info("%s\n", banner);
 
     pdev = hi->pdev[0];
-    printk ("%s: %s at v/p=%lx/%lx (%02x:%02x.%x) irq %d\n",
+    pr_info("%s: %s at v/p=%lx/%lx (%02x:%02x.%x) irq %d\n",
             hi->devname, "MUSYCC",
             (unsigned long) hi->addr_mapped[0], hi->addr[0],
             hi->pci_busno, (u_int8_t) PCI_SLOT (pdev->devfn),
             (u_int8_t) PCI_FUNC (pdev->devfn), pdev->irq);
 
     pdev = hi->pdev[1];
-    printk ("%s: %s at v/p=%lx/%lx (%02x:%02x.%x) irq %d\n",
+    pr_info("%s: %s at v/p=%lx/%lx (%02x:%02x.%x) irq %d\n",
             hi->devname, "EBUS  ",
             (unsigned long) hi->addr_mapped[1], hi->addr[1],
             hi->pci_busno, (u_int8_t) PCI_SLOT (pdev->devfn),
@@ -116,22 +116,22 @@ hdw_sn_get (hdw_info_t * hi, int brdno)
     {
         unsigned char *ucp = (unsigned char *) &hi->mfg_info.data;
 
-        printk ("eeprom[00]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+        pr_info("eeprom[00]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
                 *(ucp + 0), *(ucp + 1), *(ucp + 2), *(ucp + 3), *(ucp + 4), *(ucp + 5), *(ucp + 6), *(ucp + 7));
-        printk ("eeprom[08]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+        pr_info("eeprom[08]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
                 *(ucp + 8), *(ucp + 9), *(ucp + 10), *(ucp + 11), *(ucp + 12), *(ucp + 13), *(ucp + 14), *(ucp + 15));
-        printk ("eeprom[16]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+        pr_info("eeprom[16]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
                 *(ucp + 16), *(ucp + 17), *(ucp + 18), *(ucp + 19), *(ucp + 20), *(ucp + 21), *(ucp + 22), *(ucp + 23));
-        printk ("eeprom[24]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+        pr_info("eeprom[24]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
                 *(ucp + 24), *(ucp + 25), *(ucp + 26), *(ucp + 27), *(ucp + 28), *(ucp + 29), *(ucp + 30), *(ucp + 31));
-        printk ("eeprom[32]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+        pr_info("eeprom[32]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
                 *(ucp + 32), *(ucp + 33), *(ucp + 34), *(ucp + 35), *(ucp + 36), *(ucp + 37), *(ucp + 38), *(ucp + 39));
-        printk ("eeprom[40]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
+        pr_info("eeprom[40]:  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
                 *(ucp + 40), *(ucp + 41), *(ucp + 42), *(ucp + 43), *(ucp + 44), *(ucp + 45), *(ucp + 46), *(ucp + 47));
     }
 #endif
 #if 0
-    printk ("sn: %x %x %x %x %x %x\n",
+    pr_info("sn: %x %x %x %x %x %x\n",
             hi->mfg_info.Serial[0],
             hi->mfg_info.Serial[1],
             hi->mfg_info.Serial[2],
@@ -144,7 +144,7 @@ hdw_sn_get (hdw_info_t * hi, int brdno)
     {
         /* bad crc, data is suspect */
         if (log_level >= LOG_WARN)
-            printk ("%s: EEPROM cksum error\n", hi->devname);
+            pr_info("%s: EEPROM cksum error\n", hi->devname);
         hi->mfg_info_sts = EEPROM_CRCERR;
     } else
         hi->mfg_info_sts = EEPROM_OK;
diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c
index ce2942c097a..134e7568024 100644
--- a/drivers/staging/cxt1e1/linux.c
+++ b/drivers/staging/cxt1e1/linux.c
@@ -195,7 +195,8 @@ c4_wk_chan_restart (mch_t * ch)
     mpi_t      *pi = ch->up;
 
 #ifdef RLD_RESTART_DEBUG
-    printk (">> c4_wk_chan_restart: queueing Port %d Chan %d, mch_t @ %p\n", pi->portnum, ch->channum, ch);
+    pr_info(">> %s: queueing Port %d Chan %d, mch_t @ %p\n",
+            __func__, pi->portnum, ch->channum, ch);
 #endif
 
     /* create new entry w/in workqueue for this channel and let'er rip */
@@ -236,7 +237,8 @@ c4_wq_port_init (mpi_t * pi)
     sprintf (np, "%s%d", pi->up->devname, pi->portnum); /* IE pmcc4-01) */
 
 #ifdef RLD_RESTART_DEBUG
-    printk (">> c4_wq_port_init: creating workqueue <%s> for Port %d.\n", name, pi->portnum); /* RLD DEBUG */
+    pr_info(">> %s: creating workqueue <%s> for Port %d.\n",
+            __func__, name, pi->portnum); /* RLD DEBUG */
 #endif
     if (!(pi->wq_port = create_singlethread_workqueue (name)))
         return ENOMEM;
@@ -284,7 +286,7 @@ c4_ebus_interrupt (int irq, void *dev_instance)
 static int
 void_open (struct net_device * ndev)
 {
-    printk ("%s: trying to open master device !\n", ndev->name);
+    pr_info("%s: trying to open master device !\n", ndev->name);
     return -1;
 }
 
@@ -317,7 +319,7 @@ chan_open (struct net_device * ndev)
     hdlc->proto = IF_PROTO_HDLC;
     if ((ret = hdlc_open (hdlc)))
     {
-        printk ("%s: hdlc_open failure, err %d.\n", THIS_MODULE->name, ret);
+        pr_info("hdlc_open failure, err %d.\n", ret);
         return ret;
     }
     if ((ret = c4_chan_up (DEV_TO_PRIV (hdlc)->ci, DEV_TO_PRIV (hdlc)->channum)))
@@ -340,7 +342,7 @@ chan_open (struct net_device * ndev)
 
     if ((ret = hdlc_open (ndev)))
     {
-        printk ("%s: hdlc_open failure, err %d.\n", THIS_MODULE->name, ret);
+        pr_info("hdlc_open failure, err %d.\n", ret);
         return ret;
     }
     if ((ret = c4_chan_up (priv->ci, priv->channum)))
@@ -629,7 +631,7 @@ create_chan (struct net_device * ndev, ci_t * ci,
     if (ret)
     {
         if (log_level >= LOG_WARN)
-            printk ("%s: create_chan[%d] registration error = %d.\n",
+            pr_info("%s: create_chan[%d] registration error = %d.\n",
                     ci->devname, cp->channum, ret);
         free_netdev (dev);          /* cleanup */
         return 0;                   /* failed to register */
@@ -1018,7 +1020,7 @@ c4_ioctl (struct net_device * ndev, struct ifreq * ifr, int cmd)
 #endif
 
 #if 0
-    printk ("c4_ioctl: iocmd %x, dir %x type %x nr %x iolen %d.\n", iocmd,
+    pr_info("c4_ioctl: iocmd %x, dir %x type %x nr %x iolen %d.\n", iocmd,
             _IOC_DIR (iocmd), _IOC_TYPE (iocmd), _IOC_NR (iocmd),
             _IOC_SIZE (iocmd));
 #endif
@@ -1031,23 +1033,23 @@ c4_ioctl (struct net_device * ndev, struct ifreq * ifr, int cmd)
     switch (iocmd)
     {
     case SBE_IOC_PORT_GET:
-        //printk (">> SBE_IOC_PORT_GET Ioctl...\n");
+        //pr_info(">> SBE_IOC_PORT_GET Ioctl...\n");
         ret = do_get_port (ndev, data);
         break;
     case SBE_IOC_PORT_SET:
-        //printk (">> SBE_IOC_PORT_SET Ioctl...\n");
+        //pr_info(">> SBE_IOC_PORT_SET Ioctl...\n");
         ret = do_set_port (ndev, data);
         break;
     case SBE_IOC_CHAN_GET:
-        //printk (">> SBE_IOC_CHAN_GET Ioctl...\n");
+        //pr_info(">> SBE_IOC_CHAN_GET Ioctl...\n");
         ret = do_get_chan (ndev, data);
         break;
     case SBE_IOC_CHAN_SET:
-        //printk (">> SBE_IOC_CHAN_SET Ioctl...\n");
+        //pr_info(">> SBE_IOC_CHAN_SET Ioctl...\n");
         ret = do_set_chan (ndev, data);
         break;
     case C4_DEL_CHAN:
-        //printk (">> C4_DEL_CHAN Ioctl...\n");
+        //pr_info(">> C4_DEL_CHAN Ioctl...\n");
         ret = do_del_chan (ndev, data);
         break;
     case SBE_IOC_CHAN_NEW:
@@ -1084,7 +1086,7 @@ c4_ioctl (struct net_device * ndev, struct ifreq * ifr, int cmd)
                 return -EFAULT;
         break;
     default:
-        //printk (">> c4_ioctl: EINVAL - unknown iocmd <%x>\n", iocmd);
+        //pr_info(">> c4_ioctl: EINVAL - unknown iocmd <%x>\n", iocmd);
         ret = -EINVAL;
         break;
     }
diff --git a/drivers/staging/cxt1e1/musycc.c b/drivers/staging/cxt1e1/musycc.c
index 7a6d92a2215..d3f5a5b52dc 100644
--- a/drivers/staging/cxt1e1/musycc.c
+++ b/drivers/staging/cxt1e1/musycc.c
@@ -137,7 +137,7 @@ musycc_dump_rxbuffer_ring (mch_t * ch, int lockit)
     }
     if (ch->rxd_num == 0)
     {
-        printk ("  ZERO receive buffers allocated for this channel.");
+        pr_info("  ZERO receive buffers allocated for this channel.");
     } else
     {
         FLUSH_MEM_READ ();
@@ -146,7 +146,7 @@ musycc_dump_rxbuffer_ring (mch_t * ch, int lockit)
         {
             status = le32_to_cpu (m->status);
             {
-                printk ("%c  %08lx[%2d]: sts %08x (%c%c%c%c:%d.) Data [%08x] Next [%08x]\n",
+                pr_info("%c  %08lx[%2d]: sts %08x (%c%c%c%c:%d.) Data [%08x] Next [%08x]\n",
                         (m == &ch->mdr[ch->rxix_irq_srv]) ? 'F' : ' ',
                         (unsigned long) m, n,
                         status,
@@ -170,13 +170,13 @@ musycc_dump_rxbuffer_ring (mch_t * ch, int lockit)
                     {
                         dp = (u_int32_t *) OS_phystov ((void *) (le32_to_cpu (m->data)));
                         if (len >= 0x10)
-                            printk ("    %x[%x]: %08X %08X %08X %08x\n", (u_int32_t) dp, len,
+                            pr_info("    %x[%x]: %08X %08X %08X %08x\n", (u_int32_t) dp, len,
                                     *dp, *(dp + 1), *(dp + 2), *(dp + 3));
                         else if (len >= 0x08)
-                            printk ("    %x[%x]: %08X %08X\n", (u_int32_t) dp, len,
+                            pr_info("    %x[%x]: %08X %08X\n", (u_int32_t) dp, len,
                                     *dp, *(dp + 1));
                         else
-                            printk ("    %x[%x]: %08X\n", (u_int32_t) dp, len, *dp);
+                            pr_info("    %x[%x]: %08X\n", (u_int32_t) dp, len, *dp);
                     }
                 }
 #endif
@@ -184,7 +184,7 @@ musycc_dump_rxbuffer_ring (mch_t * ch, int lockit)
             m = m->snext;
         }
     }                               /* -for- */
-    printk ("\n");
+    pr_info("\n");
 
     if (lockit)
     {
@@ -209,7 +209,7 @@ musycc_dump_txbuffer_ring (mch_t * ch, int lockit)
     }
     if (ch->txd_num == 0)
     {
-        printk ("  ZERO transmit buffers allocated for this channel.");
+        pr_info("  ZERO transmit buffers allocated for this channel.");
     } else
     {
         FLUSH_MEM_READ ();
@@ -218,7 +218,7 @@ musycc_dump_txbuffer_ring (mch_t * ch, int lockit)
         {
             status = le32_to_cpu (m->status);
             {
-                printk ("%c%c %08lx[%2d]: sts %08x (%c%c%c%c:%d.) Data [%08x] Next [%08x]\n",
+                pr_info("%c%c %08lx[%2d]: sts %08x (%c%c%c%c:%d.) Data [%08x] Next [%08x]\n",
                         (m == ch->txd_usr_add) ? 'F' : ' ',
                         (m == ch->txd_irq_srv) ? 'L' : ' ',
                         (unsigned long) m, n,
@@ -238,13 +238,13 @@ musycc_dump_txbuffer_ring (mch_t * ch, int lockit)
                     {
                         dp = (u_int32_t *) OS_phystov ((void *) (le32_to_cpu (m->data)));
                         if (len >= 0x10)
-                            printk ("    %x[%x]: %08X %08X %08X %08x\n", (u_int32_t) dp, len,
+                            pr_info("    %x[%x]: %08X %08X %08X %08x\n", (u_int32_t) dp, len,
                                     *dp, *(dp + 1), *(dp + 2), *(dp + 3));
                         else if (len >= 0x08)
-                            printk ("    %x[%x]: %08X %08X\n", (u_int32_t) dp, len,
+                            pr_info("    %x[%x]: %08X %08X\n", (u_int32_t) dp, len,
                                     *dp, *(dp + 1));
                         else
-                            printk ("    %x[%x]: %08X\n", (u_int32_t) dp, len, *dp);
+                            pr_info("    %x[%x]: %08X\n", (u_int32_t) dp, len, *dp);
                     }
                 }
 #endif
@@ -252,7 +252,7 @@ musycc_dump_txbuffer_ring (mch_t * ch, int lockit)
             m = m->snext;
         }
     }                               /* -for- */
-    printk ("\n");
+    pr_info("\n");
 
     if (lockit)
     {
@@ -281,7 +281,7 @@ musycc_dump_ring (ci_t * ci, unsigned int chan)
         int         bh;
 
         bh = atomic_read (&ci->bh_pending);
-        printk (">> bh_pend %d [%d] ihead %d itail %d [%d] th_cnt %d bh_cnt %d wdcnt %d note %d\n",
+        pr_info(">> bh_pend %d [%d] ihead %d itail %d [%d] th_cnt %d bh_cnt %d wdcnt %d note %d\n",
                 bh, max_bh, ci->iqp_headx, ci->iqp_tailx, max_intcnt,
                 ci->intlog.drvr_intr_thcount,
                 ci->intlog.drvr_intr_bhcount,
@@ -292,20 +292,20 @@ musycc_dump_ring (ci_t * ci, unsigned int chan)
 
     if (!(ch = sd_find_chan (dummy, chan)))
     {
-        printk (">> musycc_dump_ring: channel %d not up.\n", chan);
+        pr_info(">> musycc_dump_ring: channel %d not up.\n", chan);
         return ENOENT;
     }
-    printk (">> CI %p CHANNEL %3d @ %p: state %x status/p %x/%x\n", ci, chan, ch, ch->state,
+    pr_info(">> CI %p CHANNEL %3d @ %p: state %x status/p %x/%x\n", ci, chan, ch, ch->state,
             ch->status, ch->p.status);
-    printk ("--------------------------------\nTX Buffer Ring - Channel %d, txd_num %d. (bd/ch pend %d %d), TXD required %d, txpkt %lu\n",
+    pr_info("--------------------------------\nTX Buffer Ring - Channel %d, txd_num %d. (bd/ch pend %d %d), TXD required %d, txpkt %lu\n",
             chan, ch->txd_num,
             (u_int32_t) atomic_read (&ci->tx_pending), (u_int32_t) atomic_read (&ch->tx_pending), ch->txd_required, ch->s.tx_packets);
-    printk ("++ User 0x%p IRQ_SRV 0x%p USR_ADD 0x%p QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
+    pr_info("++ User 0x%p IRQ_SRV 0x%p USR_ADD 0x%p QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
             ch->user, ch->txd_irq_srv, ch->txd_usr_add,
             sd_queue_stopped (ch->user),
             ch->ch_start_tx, ch->tx_full, ch->txd_free, ch->p.chan_mode);
     musycc_dump_txbuffer_ring (ch, 1);
-    printk ("RX Buffer Ring - Channel %d, rxd_num %d. IRQ_SRV[%d] 0x%p, start_rx %x rxpkt %lu\n",
+    pr_info("RX Buffer Ring - Channel %d, rxd_num %d. IRQ_SRV[%d] 0x%p, start_rx %x rxpkt %lu\n",
             chan, ch->rxd_num, ch->rxix_irq_srv,
             &ch->mdr[ch->rxix_irq_srv], ch->ch_start_rx, ch->s.rx_packets);
     musycc_dump_rxbuffer_ring (ch, 1);
@@ -400,7 +400,7 @@ musycc_update_tx_thp (mch_t * ch)
     spin_unlock_irqrestore (&ch->ch_txlock, flags);
 
 #ifdef RLD_TRANS_DEBUG
-    printk ("++ musycc_update_tx_thp[%d]: setting thp = %p, sts %x\n", ch->channum, md, md->status);
+    pr_info("++ musycc_update_tx_thp[%d]: setting thp = %p, sts %x\n", ch->channum, md, md->status);
 #endif
 }
 
@@ -429,7 +429,7 @@ musycc_wq_chan_restart (void *arg)      /* channel private structure */
     pi = ch->up;
 
 #ifdef RLD_TRANS_DEBUG
-    printk ("wq_chan_restart[%d]: start_RT[%d/%d] status %x\n",
+    pr_info("wq_chan_restart[%d]: start_RT[%d/%d] status %x\n",
             ch->channum, ch->ch_start_rx, ch->ch_start_tx, ch->status);
 
 #endif
@@ -451,12 +451,12 @@ musycc_wq_chan_restart (void *arg)      /* channel private structure */
                 hereb4--;
 #ifdef RLD_TRANS_DEBUG
                 md = &ch->mdr[ch->rxix_irq_srv];
-                printk ("++ musycc_wq_chan_restart[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
+                pr_info("++ musycc_wq_chan_restart[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
                 ch->channum, ch->rxix_irq_srv, md, le32_to_cpu (md->status),
                         ch->s.rx_packets);
 #elif defined(RLD_RXACT_DEBUG)
                 md = &ch->mdr[ch->rxix_irq_srv];
-                printk ("++ musycc_wq_chan_restart[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
+                pr_info("++ musycc_wq_chan_restart[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
                 ch->channum, ch->rxix_irq_srv, md, le32_to_cpu (md->status),
                         ch->s.rx_packets);
                 musycc_dump_rxbuffer_ring (ch, 1);      /* RLD DEBUG */
@@ -482,7 +482,7 @@ musycc_wq_chan_restart (void *arg)      /* channel private structure */
         if (!md)
         {
 #ifdef RLD_TRANS_DEBUG
-            printk ("-- musycc_wq_chan_restart[%d]: WARNING, starting NULL md\n", ch->channum);
+            pr_info("-- musycc_wq_chan_restart[%d]: WARNING, starting NULL md\n", ch->channum);
 #endif
 #if 0
             spin_unlock_irqrestore (&ch->ch_txlock, flags);
@@ -494,7 +494,7 @@ musycc_wq_chan_restart (void *arg)      /* channel private structure */
             spin_unlock_irqrestore (&ch->ch_txlock, flags);   /* allow interrupts for service request */
 #endif
 #ifdef RLD_TRANS_DEBUG
-            printk ("++ musycc_wq_chan_restart() CHAN TX ACTIVATE: chan %d txd_irq_srv %p = sts %x, txpkt %lu\n",
+            pr_info("++ musycc_wq_chan_restart() CHAN TX ACTIVATE: chan %d txd_irq_srv %p = sts %x, txpkt %lu\n",
                     ch->channum, ch->txd_irq_srv, ch->txd_irq_srv->status, ch->s.tx_packets);
 #endif
             musycc_serv_req (pi, SR_CHANNEL_ACTIVATE | SR_TX_DIRECTION | ch->gchan);
@@ -503,7 +503,7 @@ musycc_wq_chan_restart (void *arg)      /* channel private structure */
         else
         {
             /* retain request to start until retried and we have data to xmit */
-            printk ("-- musycc_wq_chan_restart[%d]: DELAYED due to md %p sts %x data %x, start_tx %x\n",
+            pr_info("-- musycc_wq_chan_restart[%d]: DELAYED due to md %p sts %x data %x, start_tx %x\n",
                     ch->channum, md,
                     le32_to_cpu (md->status),
                     le32_to_cpu (md->data), ch->ch_start_tx);
@@ -527,14 +527,14 @@ void
 musycc_chan_restart (mch_t * ch)
 {
 #ifdef RLD_RESTART_DEBUG
-    printk ("++ musycc_chan_restart[%d]: txd_irq_srv @ %p = sts %x\n",
+    pr_info("++ musycc_chan_restart[%d]: txd_irq_srv @ %p = sts %x\n",
             ch->channum, ch->txd_irq_srv, ch->txd_irq_srv->status);
 #endif
 
 #if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
     /* 2.6 - find next unprocessed message, then set TX thp to it */
 #ifdef RLD_RESTART_DEBUG
-    printk (">> musycc_chan_restart: scheduling Chan %x workQ @ %p\n", ch->channum, &ch->ch_work);
+    pr_info(">> musycc_chan_restart: scheduling Chan %x workQ @ %p\n", ch->channum, &ch->ch_work);
 #endif
     c4_wk_chan_restart (ch);        /* work queue mechanism fires off: Ref:
                                      * musycc_wq_chan_restart () */
@@ -544,7 +544,7 @@ musycc_chan_restart (mch_t * ch)
 
     /* 2.4 - find next unprocessed message, then set TX thp to it */
 #ifdef RLD_RESTART_DEBUG
-    printk (">> musycc_chan_restart: scheduling Chan %x start_tx %x\n", ch->channum, ch->ch_start_tx);
+    pr_info(">> musycc_chan_restart: scheduling Chan %x start_tx %x\n", ch->channum, ch->ch_start_tx);
 #endif
     /* restart transmission from background loop */
     ch->up->up->wd_notify = WD_NOTIFY_1TX;
@@ -620,7 +620,7 @@ musycc_serv_req (mpi_t * pi, u_int32_t req)
     if (pi->sr_last == req)
     {
 #ifdef RLD_TRANS_DEBUG
-        printk (">> same SR, Port %d Req %x\n", pi->portnum, req);
+        pr_info(">> same SR, Port %d Req %x\n", pi->portnum, req);
 #endif
 
         /*
@@ -636,7 +636,7 @@ musycc_serv_req (mpi_t * pi, u_int32_t req)
             (r == (SR_CHANNEL_ACTIVATE | SR_RX_DIRECTION)))
         {
 #ifdef RLD_TRANS_DEBUG
-            printk (">> same CHAN ACT SR, Port %d Req %x => issue SR_NOOP CMD\n", pi->portnum, req);
+            pr_info(">> same CHAN ACT SR, Port %d Req %x => issue SR_NOOP CMD\n", pi->portnum, req);
 #endif
             SD_SEM_GIVE (&pi->sr_sem_busy);     /* allow this next request */
             musycc_serv_req (pi, SR_NOOP);
@@ -646,7 +646,7 @@ musycc_serv_req (mpi_t * pi, u_int32_t req)
         {
             /* no need to issue back-to-back SR_NOOP commands at this time */
 #ifdef RLD_TRANS_DEBUG
-            printk (">> same Port SR_NOOP skipped, Port %d\n", pi->portnum);
+            pr_info(">> same Port SR_NOOP skipped, Port %d\n", pi->portnum);
 #endif
             SD_SEM_GIVE (&pi->sr_sem_busy);     /* allow this next request */
             return;
@@ -673,7 +673,7 @@ rewrite:
     if ((r != req) && (req != SR_CHIP_RESET) && (++rcnt <= MUSYCC_SR_RETRY_CNT))
     {
         if (log_level >= LOG_MONITOR)
-            printk ("%s: %d - reissue srv req/last %x/%x (hdw reads %x), Chan %d.\n",
+            pr_info("%s: %d - reissue srv req/last %x/%x (hdw reads %x), Chan %d.\n",
                     pi->up->devname, rcnt, req, pi->sr_last, r,
                     (pi->portnum * MUSYCC_NCHANS) + (req & 0x1f));
         OS_uwait_dummy ();          /* this delay helps reduce reissue counts
@@ -997,7 +997,8 @@ musycc_bh_tx_eom (mpi_t * pi, int gchan)
     if (ch == 0 || ch->state != UP)
     {
         if (log_level >= LOG_ERROR)
-            printk ("%s: intr: xmit EOM on uninitialized channel %d\n", pi->up->devname, gchan);
+            pr_info("%s: intr: xmit EOM on uninitialized channel %d\n",
+                    pi->up->devname, gchan);
     }
     if (ch == 0 || ch->mdt == 0)
         return;                     /* note: mdt==0 implies a malloc()
@@ -1048,9 +1049,10 @@ musycc_bh_tx_eom (mpi_t * pi, int gchan)
             {
                 if (log_level >= LOG_MONITOR)
                 {
-                    printk ("%s: Port %d Chan %2d - unexpected TX msg ownership intr (md %p sts %x)\n",
-                     pi->up->devname, pi->portnum, ch->channum, md, status);
-                    printk ("++ User 0x%p IRQ_SRV 0x%p USR_ADD 0x%p QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
+                    pr_info("%s: Port %d Chan %2d - unexpected TX msg ownership intr (md %p sts %x)\n",
+                            pi->up->devname, pi->portnum, ch->channum,
+                            md, status);
+                    pr_info("++ User 0x%p IRQ_SRV 0x%p USR_ADD 0x%p QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
                             ch->user, ch->txd_irq_srv, ch->txd_usr_add,
                             sd_queue_stopped (ch->user),
                             ch->ch_start_tx, ch->tx_full, ch->txd_free, ch->p.chan_mode);
@@ -1060,7 +1062,7 @@ musycc_bh_tx_eom (mpi_t * pi, int gchan)
             } else
             {
                 if (log_level >= LOG_MONITOR)
-                    printk ("%s: Port %d Chan %2d - recovered TX msg ownership [%d] (md %p sts %x)\n",
+                    pr_info("%s: Port %d Chan %2d - recovered TX msg ownership [%d] (md %p sts %x)\n",
                             pi->up->devname, pi->portnum, ch->channum, readCount, md, status);
             }
         }
@@ -1098,7 +1100,8 @@ musycc_bh_tx_eom (mpi_t * pi, int gchan)
         md->status = 0;
 #ifdef RLD_TXFULL_DEBUG
         if (log_level >= LOG_MONITOR2)
-            printk ("~~ tx_eom: tx_full %x  txd_free %d -> %d\n", ch->tx_full, ch->txd_free, ch->txd_free + 1);
+            pr_info("~~ tx_eom: tx_full %x  txd_free %d -> %d\n",
+                    ch->tx_full, ch->txd_free, ch->txd_free + 1);
 #endif
         ++ch->txd_free;
         FLUSH_MEM_WRITE ();
@@ -1106,7 +1109,7 @@ musycc_bh_tx_eom (mpi_t * pi, int gchan)
         if ((ch->p.chan_mode != CFG_CH_PROTO_TRANS) && (status & EOBIRQ_ENABLE))
         {
             if (log_level >= LOG_MONITOR)
-                printk ("%s: Mode (%x) incorrect EOB status (%x)\n",
+                pr_info("%s: Mode (%x) incorrect EOB status (%x)\n",
                         pi->up->devname, ch->p.chan_mode, status);
             if ((status & EOMIRQ_ENABLE) == 0)
                 break;
@@ -1137,7 +1140,7 @@ musycc_bh_tx_eom (mpi_t * pi, int gchan)
 
 #ifdef RLD_TXFULL_DEBUG
             if (log_level >= LOG_MONITOR2)
-                printk ("tx_eom[%d]: enable xmit tx_full no more, txd_free %d txd_num/2 %d\n",
+                pr_info("tx_eom[%d]: enable xmit tx_full no more, txd_free %d txd_num/2 %d\n",
                         ch->channum,
                         ch->txd_free, ch->txd_num / 2);
 #endif
@@ -1151,7 +1154,7 @@ musycc_bh_tx_eom (mpi_t * pi, int gchan)
     else if (ch->tx_full)
     {
         if (log_level >= LOG_MONITOR2)
-            printk ("tx_eom[%d]: bypass TX enable though room available? (txd_free %d txd_num/2 %d)\n",
+            pr_info("tx_eom[%d]: bypass TX enable though room available? (txd_free %d txd_num/2 %d)\n",
                     ch->channum,
                     ch->txd_free, ch->txd_num / 2);
     }
@@ -1181,7 +1184,8 @@ musycc_bh_rx_eom (mpi_t * pi, int gchan)
     if (ch == 0 || ch->state != UP)
     {
         if (log_level > LOG_ERROR)
-            printk ("%s: intr: receive EOM on uninitialized channel %d\n", pi->up->devname, gchan);
+            pr_info("%s: intr: receive EOM on uninitialized channel %d\n",
+                    pi->up->devname, gchan);
         return;
     }
     if (ch->mdr == 0)
@@ -1312,7 +1316,7 @@ musycc_intr_th_handler (void *devp)
     {
         if (log_level >= LOG_MONITOR)
         {
-            printk ("%s: note - updated ISD from %08x to %08x\n",
+            pr_info("%s: note - updated ISD from %08x to %08x\n",
                     ci->devname, status,
               (status & (~INTRPTS_NEXTINT_M)) | ci->intlog.this_status_new);
         }
@@ -1366,7 +1370,7 @@ musycc_intr_th_handler (void *devp)
          */
 #if 0
         /* chained interrupt = not ours */
-        printk (">> %s: intCnt NULL, sts %x, possibly a chained interrupt!\n",
+        pr_info(">> %s: intCnt NULL, sts %x, possibly a chained interrupt!\n",
                 ci->devname, status);
 #endif
         return IRQ_NONE;
@@ -1380,10 +1384,10 @@ musycc_intr_th_handler (void *devp)
 
     if ((log_level >= LOG_WARN) && (status & INTRPTS_INTFULL_M))
     {
-        printk ("%s: Interrupt queue full condition occurred\n", ci->devname);
+        pr_info("%s: Interrupt queue full condition occurred\n", ci->devname);
     }
     if (log_level >= LOG_DEBUG)
-        printk ("%s: interrupts pending, isd @ 0x%p: %x curr %d cnt %d NEXT %d\n",
+        pr_info("%s: interrupts pending, isd @ 0x%p: %x curr %d cnt %d NEXT %d\n",
                 ci->devname, &ci->reg->isd,
         status, nextInt, intCnt, (intCnt + nextInt) & (INT_QUEUE_SIZE - 1));
 
@@ -1490,7 +1494,7 @@ musycc_intr_bh_tasklet (ci_t * ci)
                                                                  * Fix checking */
         {
             if (log_level >= LOG_WARN)
-                printk ("%s: Illegal Interrupt Detected @ 0x%p, mod %d.)\n",
+                pr_info("%s: Illegal Interrupt Detected @ 0x%p, mod %d.)\n",
                         ci->devname, &ci->iqd_p[headx], headx);
 
             /*
@@ -1527,9 +1531,9 @@ musycc_intr_bh_tasklet (ci_t * ci)
         if (log_level >= LOG_DEBUG)
         {
             if (err != 0)
-                printk (" %08x -> err: %2d,", currInt, err);
+                pr_info(" %08x -> err: %2d,", currInt, err);
 
-            printk ("+ interrupt event: %d, grp: %d, chan: %2d, side: %cX\n",
+            pr_info("+ interrupt event: %d, grp: %d, chan: %2d, side: %cX\n",
                     event, group, gchan, tx ? 'T' : 'R');
         }
         pi = &ci->port[group];      /* notice that here we assume 1-1 group -
@@ -1543,7 +1547,7 @@ musycc_intr_bh_tasklet (ci_t * ci)
                 volatile u_int32_t r;
 
                 r = pci_read_32 ((u_int32_t *) &pi->reg->srd);
-                printk ("- SACK cmd: %08x (hdw= %08x)\n", pi->sr_last, r);
+                pr_info("- SACK cmd: %08x (hdw= %08x)\n", pi->sr_last, r);
             }
             SD_SEM_GIVE (&pi->sr_sem_wait);     /* wake up waiting process */
             break;
@@ -1576,7 +1580,7 @@ musycc_intr_bh_tasklet (ci_t * ci)
             break;
         default:
             if (log_level >= LOG_WARN)
-                printk ("%s: unexpected interrupt event: %d, iqd[%d]: %08x, port: %d\n", ci->devname,
+                pr_info("%s: unexpected interrupt event: %d, iqd[%d]: %08x, port: %d\n", ci->devname,
                         event, headx, currInt, group);
             break;
         }                           /* switch on event */
@@ -1619,13 +1623,13 @@ musycc_intr_bh_tasklet (ci_t * ci)
                     if (log_level >= LOG_MONITOR)
 #endif
                     {
-                        printk ("%s: TX buffer underflow [ONR] on channel %d, mode %x QStopped %x free %d\n",
+                        pr_info("%s: TX buffer underflow [ONR] on channel %d, mode %x QStopped %x free %d\n",
                                 ci->devname, ch->channum, ch->p.chan_mode, sd_queue_stopped (ch->user), ch->txd_free);
 #ifdef RLD_DEBUG
                         if (ch->p.chan_mode == 2)       /* problem = ONR on HDLC
                                                          * mode */
                         {
-                            printk ("++ Failed Last %x Next %x QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
+                            pr_info("++ Failed Last %x Next %x QStopped %x, start_tx %x tx_full %d txd_free %d mode %x\n",
                                     (u_int32_t) ch->txd_irq_srv, (u_int32_t) ch->txd_usr_add,
                                     sd_queue_stopped (ch->user),
                                     ch->ch_start_tx, ch->tx_full, ch->txd_free, ch->p.chan_mode);
@@ -1648,7 +1652,7 @@ musycc_intr_bh_tasklet (ci_t * ci)
 
                 if (log_level >= LOG_WARN)
                 {
-                    printk ("%s: RX buffer overflow [ONR] on channel %d, mode %x\n",
+                    pr_info("%s: RX buffer overflow [ONR] on channel %d, mode %x\n",
                             ci->devname, ch->channum, ch->p.chan_mode);
                     //musycc_dump_rxbuffer_ring (ch, 0);        /* RLD DEBUG */
                 }
@@ -1665,7 +1669,7 @@ musycc_intr_bh_tasklet (ci_t * ci)
                  * this BUFF error requires Transmit channel reactivation.
                  */
                 if (log_level >= LOG_MONITOR)
-                    printk ("%s: TX buffer underrun [BUFF] on channel %d, mode %x\n",
+                    pr_info("%s: TX buffer underrun [BUFF] on channel %d, mode %x\n",
                             ci->devname, ch->channum, ch->p.chan_mode);
             } else                  /* RX buffer overrun */
             {
@@ -1678,7 +1682,7 @@ musycc_intr_bh_tasklet (ci_t * ci)
                  * not required, but data has been lost.
                  */
                 if (log_level >= LOG_WARN)
-                    printk ("%s: RX buffer overrun [BUFF] on channel %d, mode %x\n",
+                    pr_info("%s: RX buffer overrun [BUFF] on channel %d, mode %x\n",
                             ci->devname, ch->channum, ch->p.chan_mode);
                 /*
                  * Per MUSYCC manual, Section 6.4.9.4 [Receive Errors],
@@ -1701,7 +1705,7 @@ musycc_intr_bh_tasklet (ci_t * ci)
         /* Check for interrupt lost condition */
         if ((currInt & INTRPT_ILOST_M) && (log_level >= LOG_ERROR))
         {
-            printk ("%s: Interrupt queue overflow - ILOST asserted\n",
+            pr_info("%s: Interrupt queue overflow - ILOST asserted\n",
                     ci->devname);
         }
         ci->iqp_headx = (headx + 1) & (INT_QUEUE_SIZE - 1);     /* insure wrapness */
@@ -1713,7 +1717,7 @@ musycc_intr_bh_tasklet (ci_t * ci)
         int         bh;
 
         bh = atomic_read (&CI->bh_pending);
-        printk ("_bh_: late arrivals, head %d != tail %d, pending %d\n",
+        pr_info("_bh_: late arrivals, head %d != tail %d, pending %d\n",
                 ci->iqp_headx, ci->iqp_tailx, bh);
     }
 #if defined(SBE_ISR_IMMEDIATE)
@@ -1867,7 +1871,7 @@ musycc_start_xmit (ci_t * ci, int channum, void *mem_token)
     if (log_level >= LOG_MONITOR2)
 #endif
     {
-        printk ("++ start_xmt[%d]: state %x start %x full %d free %d required %d stopped %x\n",
+        pr_info("++ start_xmt[%d]: state %x start %x full %d free %d required %d stopped %x\n",
                 channum, ch->state, ch->ch_start_tx, ch->tx_full,
                 ch->txd_free, ch->txd_required, sd_queue_stopped (ch->user));
     }
@@ -1888,7 +1892,7 @@ musycc_start_xmit (ci_t * ci, int channum, void *mem_token)
     if (txd_need_cnt == 0)
     {
         if (log_level >= LOG_MONITOR2)
-            printk ("%s channel %d: no TX data in User buffer\n", ci->devname, channum);
+            pr_info("%s channel %d: no TX data in User buffer\n", ci->devname, channum);
         OS_mem_token_free (mem_token);
         return 0;                   /* no data to send */
     }
@@ -1900,7 +1904,7 @@ musycc_start_xmit (ci_t * ci, int channum, void *mem_token)
     {
         if (log_level >= LOG_DEBUG)
         {
-            printk ("start_xmit: discarding buffer, insufficient descriptor cnt %d, need %d.\n",
+            pr_info("start_xmit: discarding buffer, insufficient descriptor cnt %d, need %d.\n",
                     ch->txd_num, txd_need_cnt + 1);
         }
         ch->s.tx_dropped++;
@@ -1917,7 +1921,7 @@ musycc_start_xmit (ci_t * ci, int channum, void *mem_token)
     {
         if (log_level >= LOG_MONITOR2)
         {
-            printk ("start_xmit[%d]: EBUSY - need more descriptors, have %d of %d need %d\n",
+            pr_info("start_xmit[%d]: EBUSY - need more descriptors, have %d of %d need %d\n",
                     channum, ch->txd_free, ch->txd_num, txd_need_cnt);
         }
         ch->tx_full = 1;
diff --git a/drivers/staging/cxt1e1/pmc93x6_eeprom.c b/drivers/staging/cxt1e1/pmc93x6_eeprom.c
index 02c829b318b..1c8dfb80e7d 100644
--- a/drivers/staging/cxt1e1/pmc93x6_eeprom.c
+++ b/drivers/staging/cxt1e1/pmc93x6_eeprom.c
@@ -21,6 +21,8 @@
  *   GNU General Public License for more details.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/types.h>
 #include "pmcc4_sysdep.h"
 #include "sbecom_inline_linux.h"
@@ -448,7 +450,7 @@ pmcCalcCrc_T01 (void *bufp)
             (u_int32_t *) &crc);
 
 #ifdef EEPROM_TYPE_DEBUG
-    printk ("sbeCrc: crc 1 calculated as %08x\n", crc); /* RLD DEBUG */
+    pr_info("sbeCrc: crc 1 calculated as %08x\n", crc); /* RLD DEBUG */
 #endif
     return ~crc;
 }
@@ -474,7 +476,7 @@ pmcCalcCrc_T02 (void *bufp)
             (u_int32_t *) &crc);
 
 #ifdef EEPROM_TYPE_DEBUG
-    printk ("sbeCrc: crc 2 calculated as %08x\n", crc); /* RLD DEBUG */
+    pr_info("sbeCrc: crc 2 calculated as %08x\n", crc); /* RLD DEBUG */
 #endif
     return crc;
 }
@@ -520,7 +522,7 @@ pmc_init_seeprom (u_int32_t addr, u_int32_t serialNum)
 
 #ifdef DEBUG
     for (i = 0; i < sizeof (FLD_TYPE2); ++i)
-        printk ("[%02X] = %02X\n", i, buffer.bytes[i] & 0xFF);
+        pr_info("[%02X] = %02X\n", i, buffer.bytes[i] & 0xFF);
 #endif
 
     /* Write structure to serial EEPROM */
@@ -538,7 +540,7 @@ pmc_verify_cksum (void *bufp)
     /* Retrieve contents of CRC field */
     crc1 = pmcGetBuffValue (&buf1->Crc32[0], sizeof (buf1->Crc32));
 #ifdef EEPROM_TYPE_DEBUG
-    printk ("EEPROM: chksum 1 reads   as %08x\n", crc1);        /* RLD DEBUG */
+    pr_info("EEPROM: chksum 1 reads   as %08x\n", crc1);        /* RLD DEBUG */
 #endif
     if ((buf1->type == PROM_FORMAT_TYPE1) &&
         (pmcCalcCrc_T01 ((void *) buf1) == crc1))
@@ -546,7 +548,7 @@ pmc_verify_cksum (void *bufp)
 
     crc2 = pmcGetBuffValue (&buf2->Crc32[0], sizeof (buf2->Crc32));
 #ifdef EEPROM_TYPE_DEBUG
-    printk ("EEPROM: chksum 2 reads   as %08x\n", crc2);        /* RLD DEBUG */
+    pr_info("EEPROM: chksum 2 reads   as %08x\n", crc2);        /* RLD DEBUG */
 #endif
     if ((buf2->type == PROM_FORMAT_TYPE2) &&
         (pmcCalcCrc_T02 ((void *) buf2) == crc2))
diff --git a/drivers/staging/cxt1e1/pmcc4_drv.c b/drivers/staging/cxt1e1/pmcc4_drv.c
index 1617333575c..333cf2687dd 100644
--- a/drivers/staging/cxt1e1/pmcc4_drv.c
+++ b/drivers/staging/cxt1e1/pmcc4_drv.c
@@ -172,10 +172,10 @@ sbecom_set_loglevel (int d)
     {
         if (log_level != d)
         {
-            printk ("%s: log level changed from %d to %d\n", THIS_MODULE->name, log_level, d);
+            pr_info("log level changed from %d to %d\n", log_level, d);
             log_level = d;          /* set new */
         } else
-            printk ("%s: log level is %d\n", THIS_MODULE->name, log_level);
+            pr_info("log level is %d\n", log_level);
     }
 }
 
@@ -292,19 +292,18 @@ checkPorts (ci_t * ci)
             if (!(((copyVal >> 3) & sbeLinkDown) ^ (value & sbeLinkDown)))
             {
                 if (value & sbeLinkDown)
-                    printk (KERN_WARN "%s: Port %d momentarily recovered.\n",
-                            ci->devname, portnum);
+                    pr_warning("%s: Port %d momentarily recovered.\n",
+                               ci->devname, portnum);
                 else
-                    printk (KERN_WARN
-                            "%s: Warning: Port %d link was briefly down.\n",
-                            ci->devname, portnum);
+                    pr_warning("%s: Warning: Port %d link was briefly down.\n",
+                               ci->devname, portnum);
             } else if (value & sbeLinkDown)
-                printk (KERN_WARN "%s: Warning: Port %d link is down.\n",
-                        ci->devname, portnum);
+                pr_warning("%s: Warning: Port %d link is down.\n",
+                           ci->devname, portnum);
             else
             {
-                printk (KERN_WARN "%s: Port %d link has recovered.\n",
-                        ci->devname, portnum);
+                pr_warning("%s: Port %d link has recovered.\n",
+                           ci->devname, portnum);
                 copyVal |= 0x20;    /* record link transition to up */
             }
             copyVal |= 0x10;        /* change (link) --> update LEDs  */
@@ -331,35 +330,30 @@ checkPorts (ci_t * ci)
                 if (value & 0x1f)
                 {                   /* if errors (crc or smf only) */
                     if (value & 0x10)
-                        printk (KERN_WARN
-                           "%s: E1 Port %d Codeword Sa4 change detected.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d Codeword Sa4 change detected.\n",
+                                   ci->devname, portnum);
                     if (value & 0x08)
-                        printk (KERN_WARN
-                           "%s: E1 Port %d Codeword Sa5 change detected.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d Codeword Sa5 change detected.\n",
+                                   ci->devname, portnum);
                     if (value & 0x04)
-                        printk (KERN_WARN
-                           "%s: E1 Port %d Codeword Sa6 change detected.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d Codeword Sa6 change detected.\n",
+                                   ci->devname, portnum);
                     if (value & 0x02)
-                        printk (KERN_WARN
-                           "%s: E1 Port %d Codeword Sa7 change detected.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d Codeword Sa7 change detected.\n",
+                                   ci->devname, portnum);
                     if (value & 0x01)
-                        printk (KERN_WARN
-                           "%s: E1 Port %d Codeword Sa8 change detected.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d Codeword Sa8 change detected.\n",
+                                   ci->devname, portnum);
                 }
                 value = pci_read_32 ((u_int32_t *) &comet->e1_frmr_mists);      /* crc & smf */
                 if (value & 0x3)
                 {                   /* if errors (crc or smf only) */
                     if (value & sbeE1CRC)
-                        printk (KERN_WARN "%s: E1 Port %d CRC-4 error(s) detected.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d CRC-4 error(s) detected.\n",
+                                   ci->devname, portnum);
                     if (value & sbeE1errSMF)    /* error in sub-multiframe */
-                        printk (KERN_WARN "%s: E1 Port %d received errored SMF.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d received errored SMF.\n",
+                                   ci->devname, portnum);
                 }
                 value = pci_read_32 ((u_int32_t *) &comet->e1_frmr_masts) & 0xcc; /* alarms */
                 /*
@@ -383,43 +377,43 @@ checkPorts (ci_t * ci)
                     if ((copyVal & sbeRedAlm) && !(value & sbeRedAlm))
                     {
                         copyVal &= ~sbeRedAlm;
-                        printk (KERN_WARN "%s: E1 Port %d LOF alarm ended.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d LOF alarm ended.\n",
+                                   ci->devname, portnum);
                     } else if (!(copyVal & sbeRedAlm) && (value & sbeRedAlm))
                     {
                         copyVal |= sbeRedAlm;
-                        printk (KERN_WARN "%s: E1 Warning: Port %d LOF alarm.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Warning: Port %d LOF alarm.\n",
+                                   ci->devname, portnum);
                     } else if ((copyVal & sbeYelAlm) && !(value & sbeYelAlm))
                     {
                         copyVal &= ~sbeYelAlm;
-                        printk (KERN_WARN "%s: E1 Port %d RAI alarm ended.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d RAI alarm ended.\n",
+                                   ci->devname, portnum);
                     } else if (!(copyVal & sbeYelAlm) && (value & sbeYelAlm))
                     {
                         copyVal |= sbeYelAlm;
-                        printk (KERN_WARN "%s: E1 Warning: Port %d RAI alarm.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Warning: Port %d RAI alarm.\n",
+                                   ci->devname, portnum);
                     } else if ((copyVal & sbeE1RMAI) && !(value & sbeE1RMAI))
                     {
                         copyVal &= ~sbeE1RMAI;
-                        printk (KERN_WARN "%s: E1 Port %d RMAI alarm ended.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d RMAI alarm ended.\n",
+                                   ci->devname, portnum);
                     } else if (!(copyVal & sbeE1RMAI) && (value & sbeE1RMAI))
                     {
                         copyVal |= sbeE1RMAI;
-                        printk (KERN_WARN "%s: E1 Warning: Port %d RMAI alarm.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Warning: Port %d RMAI alarm.\n",
+                                   ci->devname, portnum);
                     } else if ((copyVal & sbeAISAlm) && !(value & sbeAISAlm))
                     {
                         copyVal &= ~sbeAISAlm;
-                        printk (KERN_WARN "%s: E1 Port %d AIS alarm ended.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Port %d AIS alarm ended.\n",
+                                   ci->devname, portnum);
                     } else if (!(copyVal & sbeAISAlm) && (value & sbeAISAlm))
                     {
                         copyVal |= sbeAISAlm;
-                        printk (KERN_WARN "%s: E1 Warning: Port %d AIS alarm.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: E1 Warning: Port %d AIS alarm.\n",
+                                   ci->devname, portnum);
                     }
                 }
                 /* end of E1 alarm code */
@@ -433,33 +427,33 @@ checkPorts (ci_t * ci)
                     if ((copyVal & sbeRedAlm) && !(value & sbeRedAlm))
                     {
                         copyVal &= ~sbeRedAlm;
-                        printk (KERN_WARN "%s: Port %d red alarm ended.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: Port %d red alarm ended.\n",
+                                   ci->devname, portnum);
                     } else if (!(copyVal & sbeRedAlm) && (value & sbeRedAlm))
                     {
                         copyVal |= sbeRedAlm;
-                        printk (KERN_WARN "%s: Warning: Port %d red alarm.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: Warning: Port %d red alarm.\n",
+                                   ci->devname, portnum);
                     } else if ((copyVal & sbeYelAlm) && !(value & sbeYelAlm))
                     {
                         copyVal &= ~sbeYelAlm;
-                        printk (KERN_WARN "%s: Port %d yellow (RAI) alarm ended.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: Port %d yellow (RAI) alarm ended.\n",
+                                   ci->devname, portnum);
                     } else if (!(copyVal & sbeYelAlm) && (value & sbeYelAlm))
                     {
                         copyVal |= sbeYelAlm;
-                        printk (KERN_WARN "%s: Warning: Port %d yellow (RAI) alarm.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: Warning: Port %d yellow (RAI) alarm.\n",
+                                   ci->devname, portnum);
                     } else if ((copyVal & sbeAISAlm) && !(value & sbeAISAlm))
                     {
                         copyVal &= ~sbeAISAlm;
-                        printk (KERN_WARN "%s: Port %d blue (AIS) alarm ended.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: Port %d blue (AIS) alarm ended.\n",
+                                   ci->devname, portnum);
                     } else if (!(copyVal & sbeAISAlm) && (value & sbeAISAlm))
                     {
                         copyVal |= sbeAISAlm;
-                        printk (KERN_WARN "%s: Warning: Port %d blue (AIS) alarm.\n",
-                                ci->devname, portnum);
+                        pr_warning("%s: Warning: Port %d blue (AIS) alarm.\n",
+                                   ci->devname, portnum);
                     }
                 }
             }                       /* end T1 mode alarm checks */
@@ -523,8 +517,8 @@ checkPorts (ci_t * ci)
                                                                  * loopbk mode */
             if (log_level >= LOG_DEBUG)
                 if (value != 0x3f)
-                    printk (KERN_WARN "%s: BOC value = %x on Port %d\n",
-                            ci->devname, value, portnum);
+                    pr_warning("%s: BOC value = %x on Port %d\n",
+                               ci->devname, value, portnum);
             /* end ESF loopback code */
         }
     }
@@ -546,7 +540,7 @@ c4_watchdog (ci_t * ci)
     if (drvr_state != SBE_DRVR_AVAILABLE)
     {
         if (log_level >= LOG_MONITOR)
-            printk ("%s: drvr not available (%x)\n", THIS_MODULE->name, drvr_state);
+            pr_info("drvr not available (%x)\n", drvr_state);
         return;
     }
 #if 0
@@ -579,7 +573,7 @@ c4_watchdog (ci_t * ci)
 #else
                     if (log_level >= LOG_MONITOR)
 #endif
-                        printk ("%s: watchdog reviving Port %d Channel %d [%d] sts %x/%x, start_TX %x free %x start_RX %x\n",
+                        pr_info("%s: watchdog reviving Port %d Channel %d [%d] sts %x/%x, start_TX %x free %x start_RX %x\n",
                          ci->devname, ch->channum, port, gchan, ch->channum,
                                 ch->p.status, ch->status,
                             ch->ch_start_tx, ch->txd_free, ch->ch_start_rx);
@@ -595,7 +589,8 @@ c4_watchdog (ci_t * ci)
                     {
                         ch->ch_start_rx = 0;    /* we are restarting RX... */
 #ifdef RLD_TRANS_DEBUG
-                        printk ("++ c4_watchdog() CHAN RX ACTIVATE: chan %d\n", ch->channum);
+                        pr_info("++ c4_watchdog() CHAN RX ACTIVATE: chan %d\n",
+                                ch->channum);
 #endif
 #ifdef RLD_RXACT_DEBUG
                         {
@@ -606,7 +601,7 @@ c4_watchdog (ci_t * ci)
                             {
                                 hereb4--;
                                 md = &ch->mdr[ch->rxix_irq_srv];
-                                printk ("++ c4_watchdog[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
+                                pr_info("++ c4_watchdog[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
                                         ch->channum, ch->rxix_irq_srv, md, le32_to_cpu (md->status), ch->s.rx_packets);
                                 musycc_dump_rxbuffer_ring (ch, 1);      /* RLD DEBUG */
                             }
@@ -636,8 +631,9 @@ c4_watchdog (ci_t * ci)
                         md = ch->txd_irq_srv;
                         if (!md)
                         {
-                            printk ("-- c4_watchdog[%d]: WARNING, starting NULL md\n", ch->channum);
-                            printk ("--   chan %d txd_irq_srv %p sts %x usr_add %p sts %x, txpkt %lu\n",
+                            pr_info("-- c4_watchdog[%d]: WARNING, starting NULL md\n",
+                                    ch->channum);
+                            pr_info("--   chan %d txd_irq_srv %p sts %x usr_add %p sts %x, txpkt %lu\n",
                                     ch->channum, ch->txd_irq_srv, le32_to_cpu ((struct mdesc *) (ch->txd_irq_srv)->status),
                                     ch->txd_usr_add, le32_to_cpu ((struct mdesc *) (ch->txd_usr_add)->status),
                                     ch->s.tx_packets);
@@ -647,7 +643,8 @@ c4_watchdog (ci_t * ci)
                         } else if (md->data && ((le32_to_cpu (md->status)) & MUSYCC_TX_OWNED))
                         {
 #ifdef RLD_TRANS_DEBUG
-                            printk ("++ c4_watchdog[%d] CHAN TX ACTIVATE: start_tx %x\n", ch->channum, ch->ch_start_tx);
+                            pr_info("++ c4_watchdog[%d] CHAN TX ACTIVATE: start_tx %x\n",
+                                    ch->channum, ch->ch_start_tx);
 #endif
                             ch->ch_start_tx = 0;        /* we are restarting
                                                          * TX... */
@@ -661,7 +658,8 @@ c4_watchdog (ci_t * ci)
 #else
                             if (log_level >= LOG_MONITOR)
 #endif
-                                printk ("++ SACK[P%d/C%d] ack'd, continuing...\n", ch->up->portnum, ch->channum);
+                                pr_info("++ SACK[P%d/C%d] ack'd, continuing...\n",
+                                        ch->up->portnum, ch->channum);
                         }
                     }
                 }
@@ -784,7 +782,7 @@ c4_init (ci_t * ci, u_char *func0, u_char *func1)
             pi->p.portnum = portnum;
             pi->openchans = 0;
 #ifdef SBE_MAP_DEBUG
-            printk ("Comet-%d: addr = %p\n", portnum, pi->cometbase);
+            pr_info("Comet-%d: addr = %p\n", portnum, pi->cometbase);
 #endif
         }
         pmsk = c4_get_portcfg (ci);
@@ -811,7 +809,8 @@ c4_init (ci_t * ci, u_char *func0, u_char *func1)
             return SBE_DRVR_FAIL;
         }
 #ifdef SBE_MAP_DEBUG
-        printk (">> %s: c4_get_build - pmsk %x max_port %x\n", ci->devname, pmsk, ci->max_port);
+        pr_info(">> %s: c4_get_build - pmsk %x max_port %x\n",
+                ci->devname, pmsk, ci->max_port);
 #endif
     }
 
@@ -934,19 +933,20 @@ c4_loop_port (ci_t * ci, int portnum, u_int8_t cmd)
 
         pci_write_32 ((u_int32_t *) &comet->mdiag, cmd);
         if (log_level >= LOG_WARN)
-            printk ("%s: loopback mode changed to %2x from %2x on Port %d\n",
+            pr_info("%s: loopback mode changed to %2x from %2x on Port %d\n",
                     ci->devname, cmd, loopValue, portnum);
         loopValue = pci_read_32 ((u_int32_t *) &comet->mdiag) & COMET_MDIAG_LBMASK;
         if (loopValue != cmd)
         {
             if (log_level >= LOG_ERROR)
-                printk ("%s: write to loop register failed, unknown state for Port %d\n",
+                pr_info("%s: write to loop register failed, unknown state for Port %d\n",
                         ci->devname, portnum);
         }
     } else
     {
         if (log_level >= LOG_WARN)
-            printk ("%s: loopback already in that mode (%2x)\n", ci->devname, loopValue);
+            pr_info("%s: loopback already in that mode (%2x)\n",
+                    ci->devname, loopValue);
     }
     return 0;
 }
@@ -980,7 +980,7 @@ c4_frame_rw (ci_t * ci, struct sbecom_port_param * pp)
     {                               /* control says this is a register
                                      * _write_ */
         if (pp->portStatus == data)
-            printk ("%s: Port %d already that value!  Writing again anyhow.\n",
+            pr_info("%s: Port %d already that value!  Writing again anyhow.\n",
                     ci->devname, pp->portnum);
         pp->portP = (u_int8_t) data;
         pci_write_32 ((u_int32_t *) comet + pp->port_mode,
@@ -1080,11 +1080,11 @@ c4_musycc_rw (ci_t * ci, struct c4_musycc_param * mcp)
     if (ramread)
     {
         data = *dpr;
-        //printk ("c4_musycc_rw: RAM addr %p  read data %x (portno %x offset %x RAM ramread %x)\n", dpr, data, portnum, offset, ramread); /* RLD DEBUG */
+        //pr_info("c4_musycc_rw: RAM addr %p  read data %x (portno %x offset %x RAM ramread %x)\n", dpr, data, portnum, offset, ramread); /* RLD DEBUG */
     } else
     {
         data = pci_read_32 ((u_int32_t *) dph);
-        //printk ("c4_musycc_rw: REG addr %p  read data %x (portno %x offset %x RAM ramread %x)\n", dph, data, portnum, offset, ramread); /* RLD DEBUG */
+        //pr_info("c4_musycc_rw: REG addr %p  read data %x (portno %x offset %x RAM ramread %x)\n", dph, data, portnum, offset, ramread); /* RLD DEBUG */
     }
 
 
@@ -1092,7 +1092,7 @@ c4_musycc_rw (ci_t * ci, struct c4_musycc_param * mcp)
     {                               /* control says this is a register
                                      * _write_ */
         if (mcp->value == data)
-            printk ("%s: musycc grp%d already that value! writing again anyhow.\n",
+            pr_info("%s: musycc grp%d already that value! writing again anyhow.\n",
                     ci->devname, (mcp->RWportnum & 0x7));
         /* write register RAM */
         if (ramread)
@@ -1137,7 +1137,7 @@ c4_set_port (ci_t * ci, int portnum)
     e1mode = IS_FRAME_ANY_E1 (pp->port_mode);
     if (log_level >= LOG_MONITOR2)
     {
-        printk ("%s: c4_set_port[%d]:  entered, e1mode = %x, openchans %d.\n",
+        pr_info("%s: c4_set_port[%d]:  entered, e1mode = %x, openchans %d.\n",
                 ci->devname,
                 portnum, e1mode, pi->openchans);
     }
@@ -1421,13 +1421,12 @@ c4_fifo_alloc (mpi_t * pi, int chan, int *len)
     if (max != *len)
     {
         if (log_level >= LOG_WARN)
-            printk (
-                  "%s: wanted to allocate %d fifo space, but got only %d\n",
+            pr_info("%s: wanted to allocate %d fifo space, but got only %d\n",
                     pi->up->devname, *len, max);
         *len = max;
     }
     if (log_level >= LOG_DEBUG)
-        printk ("%s: allocated %d fifo at %d for channel %d/%d\n",
+        pr_info("%s: allocated %d fifo at %d for channel %d/%d\n",
                 pi->up->devname, max, start, chan, pi->p.portnum);
     for (i = maxstart; i < (maxstart + max); i++)
         pi->fifomap[i] = chan;
@@ -1440,7 +1439,7 @@ c4_fifo_free (mpi_t * pi, int chan)
     int         i;
 
     if (log_level >= LOG_DEBUG)
-        printk ("%s: deallocated fifo for channel %d/%d\n",
+        pr_info("%s: deallocated fifo for channel %d/%d\n",
                 pi->up->devname, chan, pi->p.portnum);
     for (i = 0; i < 32; i++)
         if (pi->fifomap[i] == chan)
@@ -1465,7 +1464,8 @@ c4_chan_up (ci_t * ci, int channum)
     if (ch->state == UP)
     {
         if (log_level >= LOG_MONITOR)
-            printk ("%s: channel already UP, graceful early exit\n", ci->devname);
+            pr_info("%s: channel already UP, graceful early exit\n",
+                    ci->devname);
         return 0;
     }
     pi = ch->up;
@@ -1478,9 +1478,10 @@ c4_chan_up (ci_t * ci, int channum)
         {
             if (1 || log_level >= LOG_WARN)
             {
-                printk ("%s: c4_chan_up[%d] EINVAL (attempt to cfg in-use or unavailable TimeSlot[%d])\n",
+                pr_info("%s: c4_chan_up[%d] EINVAL (attempt to cfg in-use or unavailable TimeSlot[%d])\n",
                         ci->devname, channum, i);
-                printk ("+ ask4 %x, currently %x\n", ch->p.bitmask[i], pi->tsm[i]);
+                pr_info("+ ask4 %x, currently %x\n",
+                        ch->p.bitmask[i], pi->tsm[i]);
             }
             return EINVAL;
         }
@@ -1493,7 +1494,8 @@ c4_chan_up (ci_t * ci, int channum)
     if (!nbuf)
     {
         /* if( log_level >= LOG_WARN)  */
-        printk ("%s: c4_chan_up[%d] ENOBUFS (no TimeSlots assigned)\n", ci->devname, channum);
+        pr_info("%s: c4_chan_up[%d] ENOBUFS (no TimeSlots assigned)\n",
+                ci->devname, channum);
         return ENOBUFS;             /* this should not happen */
     }
     addr = c4_fifo_alloc (pi, gchan, &nbuf);
@@ -1561,7 +1563,7 @@ c4_chan_up (ci_t * ci, int channum)
 #if 0
     /* DEBUG INFO */
     if (log_level >= LOG_MONITOR)
-        printk ("%s: mode %x rxnum %d (rxused %d def %d) txnum %d (txused %d def %d)\n",
+        pr_info("%s: mode %x rxnum %d (rxused %d def %d) txnum %d (txused %d def %d)\n",
                 ci->devname, ch->p.chan_mode,
                 rxnum, max_rxdesc_used, max_rxdesc_default,
                 txnum, max_txdesc_used, max_txdesc_default);
@@ -1592,7 +1594,8 @@ c4_chan_up (ci_t * ci, int channum)
         if (!(m = OS_mem_token_alloc (max_mru)))
         {
             if (log_level >= LOG_MONITOR)
-                printk ("%s: c4_chan_up[%d] - token alloc failure, size = %d.\n", ci->devname, channum, max_mru);
+                pr_info("%s: c4_chan_up[%d] - token alloc failure, size = %d.\n",
+                        ci->devname, channum, max_mru);
             goto errfree;
         }
         md->mem_token = m;
@@ -1638,7 +1641,7 @@ c4_chan_up (ci_t * ci, int channum)
     if (ch->p.status & RX_ENABLED)
     {
 #ifdef RLD_TRANS_DEBUG
-        printk ("++ c4_chan_up() CHAN RX ACTIVATE: chan %d\n", ch->channum);
+        pr_info("++ c4_chan_up() CHAN RX ACTIVATE: chan %d\n", ch->channum);
 #endif
         ch->ch_start_rx = 0;        /* we are restarting RX... */
         musycc_serv_req (pi, SR_CHANNEL_ACTIVATE | SR_RX_DIRECTION | gchan);
@@ -1646,7 +1649,7 @@ c4_chan_up (ci_t * ci, int channum)
     if (ch->p.status & TX_ENABLED)
     {
 #ifdef RLD_TRANS_DEBUG
-        printk ("++ c4_chan_up() CHAN TX ACTIVATE: chan %d <delayed>\n", ch->channum);
+        pr_info("++ c4_chan_up() CHAN TX ACTIVATE: chan %d <delayed>\n", ch->channum);
 #endif
         ch->ch_start_tx = CH_START_TX_1ST;      /* we are delaying start
                                                  * until receipt from user of
diff --git a/drivers/staging/cxt1e1/sbecom_inline_linux.h b/drivers/staging/cxt1e1/sbecom_inline_linux.h
index 44229a93de4..c65172db2ad 100644
--- a/drivers/staging/cxt1e1/sbecom_inline_linux.h
+++ b/drivers/staging/cxt1e1/sbecom_inline_linux.h
@@ -94,7 +94,7 @@ pci_read_32 (u_int32_t *p)
     FLUSH_PCI_READ ();
     v = le32_to_cpu (*p);
     if (log_level >= LOG_DEBUG)
-        printk ("pci_read : %x = %x\n", (u_int32_t) p, v);
+        pr_info("pci_read : %x = %x\n", (u_int32_t) p, v);
     return v;
 #else
                 FLUSH_PCI_READ ();      /* */
@@ -107,7 +107,7 @@ pci_write_32 (u_int32_t *p, u_int32_t v)
 {
 #ifdef FLOW_DEBUG
     if (log_level >= LOG_DEBUG)
-        printk ("pci_write: %x = %x\n", (u_int32_t) p, v);
+        pr_info("pci_write: %x = %x\n", (u_int32_t) p, v);
 #endif
     *p = cpu_to_le32 (v);
     FLUSH_PCI_WRITE ();             /* This routine is called from routines
diff --git a/drivers/staging/cxt1e1/sbeproc.c b/drivers/staging/cxt1e1/sbeproc.c
index 92f6f5ca39b..4f4dcd36bf4 100644
--- a/drivers/staging/cxt1e1/sbeproc.c
+++ b/drivers/staging/cxt1e1/sbeproc.c
@@ -66,7 +66,7 @@ sbecom_proc_get_sbe_info (char *buffer, char **start, off_t offset,
     }
 #if 0
     /** RLD DEBUG **/
-    printk (">> sbecom_proc_get_sbe_info: entered, offset %d. length %d.\n",
+    pr_info(">> sbecom_proc_get_sbe_info: entered, offset %d. length %d.\n",
             (int) offset, (int) length);
 #endif
 
@@ -90,7 +90,7 @@ sbecom_proc_get_sbe_info (char *buffer, char **start, off_t offset,
 
 #if 0
     /** RLD DEBUG **/
-    printk (">> sbecom_get_brdinfo: returned, first_if %p <%s> last_if %p <%s>\n",
+    pr_info(">> sbecom_get_brdinfo: returned, first_if %p <%s> last_if %p <%s>\n",
             (char *) &bip->first_iname, (char *) &bip->first_iname,
             (char *) &bip->last_iname, (char *) &bip->last_iname);
 #endif
@@ -293,7 +293,7 @@ sbecom_proc_get_sbe_info (char *buffer, char **start, off_t offset,
 #endif
 
 #if 0
-    printk (">> proc_fs: returned len = %d., start %p\n", len, start);  /* RLD DEBUG */
+    pr_info(">> proc_fs: returned len = %d., start %p\n", len, start);  /* RLD DEBUG */
 #endif
 
 /***

From 199ef62a287b429a8fa3b7dc5ae6b69f607bf324 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Tue, 4 May 2010 14:23:43 +0200
Subject: [PATCH 1124/3638] Staging: rtl8192su: check for skb == NULL

added 2 checks for skb == NULL.
plus cosmetics

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192S_firmware.c | 133 +++++++++-----------
 drivers/staging/rtl8192su/r8192U_core.c     |   2 -
 drivers/staging/rtl8192su/r819xU_cmdpkt.c   |   6 +
 3 files changed, 67 insertions(+), 74 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192S_firmware.c b/drivers/staging/rtl8192su/r8192S_firmware.c
index b6ae8543c5c..37d164c0e92 100644
--- a/drivers/staging/rtl8192su/r8192S_firmware.c
+++ b/drivers/staging/rtl8192su/r8192S_firmware.c
@@ -31,44 +31,46 @@
 //			   Code size
 // Created by Roger, 2008.04.10.
 //
-bool FirmwareDownloadCode(struct net_device *dev, u8 *	code_virtual_address,u32 buffer_len)
+bool FirmwareDownloadCode(struct net_device *dev,
+				u8 *code_virtual_address,
+				u32 buffer_len)
 {
-	struct r8192_priv   *priv = ieee80211_priv(dev);
-	bool 		    rt_status = true;
-	u16		    frag_threshold = MAX_FIRMWARE_CODE_SIZE; //Fragmentation might be required in 90/92 but not in 92S
-	u16		    frag_length, frag_offset = 0;
-	struct sk_buff	    *skb;
-	unsigned char	    *seg_ptr;
-	cb_desc		    *tcb_desc;
-	u8                  	    bLastIniPkt = 0;
-	u16 			    ExtraDescOffset = 0;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	bool rt_status = true;
+	/* Fragmentation might be required in 90/92 but not in 92S */
+	u16 frag_threshold = MAX_FIRMWARE_CODE_SIZE;
+	u16 frag_length, frag_offset = 0;
+	struct sk_buff *skb;
+	unsigned char *seg_ptr;
+	cb_desc *tcb_desc;
+	u8 bLastIniPkt = 0;
+	u16 ExtraDescOffset = 0;
 
-
-	RT_TRACE(COMP_FIRMWARE, "--->FirmwareDownloadCode()\n" );
-
-	//MAX_TRANSMIT_BUFFER_SIZE
-	if(buffer_len >= MAX_FIRMWARE_CODE_SIZE-USB_HWDESC_HEADER_LEN)
-	{
-		RT_TRACE(COMP_ERR, "Size over MAX_FIRMWARE_CODE_SIZE! \n");
+	if (buffer_len >= MAX_FIRMWARE_CODE_SIZE - USB_HWDESC_HEADER_LEN) {
+		RT_TRACE(COMP_ERR, "(%s): Firmware exceeds"
+					" MAX_FIRMWARE_CODE_SIZE\n", __func__);
 		goto cmdsend_downloadcode_fail;
 	}
-
 	ExtraDescOffset = USB_HWDESC_HEADER_LEN;
-
 	do {
 		if((buffer_len-frag_offset) > frag_threshold)
-		{
 			frag_length = frag_threshold + ExtraDescOffset;
+		else {
+			frag_length = (u16)(buffer_len -
+						frag_offset + ExtraDescOffset);
+			bLastIniPkt = 1;
 		}
-		else
-		{
-			frag_length = (u16)(buffer_len - frag_offset + ExtraDescOffset);
-		bLastIniPkt = 1;
-		}
-
-		/* Allocate skb buffer to contain firmware info and tx descriptor info. */
+		/*
+		 * Allocate skb buffer to contain firmware info
+		 * and tx descriptor info.
+		 */
 		skb  = dev_alloc_skb(frag_length);
-		memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
+		if (skb == NULL) {
+			RT_TRACE(COMP_ERR, "(%s): unable to alloc skb buffer\n",
+								__func__);
+			goto cmdsend_downloadcode_fail;
+		}
+		memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
 
 		tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE);
 		tcb_desc->queue_index = TXCMD_QUEUE;
@@ -76,73 +78,60 @@ bool FirmwareDownloadCode(struct net_device *dev, u8 *	code_virtual_address,u32
 		tcb_desc->bLastIniPkt = bLastIniPkt;
 
 		skb_reserve(skb, ExtraDescOffset);
-		seg_ptr = (u8 *)skb_put(skb, (u32)(frag_length-ExtraDescOffset));
-		memcpy(seg_ptr, code_virtual_address+frag_offset, (u32)(frag_length-ExtraDescOffset));
 
-		tcb_desc->txbuf_size= frag_length;
+		seg_ptr = (u8 *)skb_put(skb,
+					(u32)(frag_length - ExtraDescOffset));
 
-		if(!priv->ieee80211->check_nic_enough_desc(dev,tcb_desc->queue_index)||
-			(!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index]))||\
-			(priv->ieee80211->queue_stop) )
-		{
+		memcpy(seg_ptr, code_virtual_address + frag_offset,
+					(u32)(frag_length-ExtraDescOffset));
+
+		tcb_desc->txbuf_size = frag_length;
+
+		if (!priv->ieee80211->check_nic_enough_desc(dev, tcb_desc->queue_index) ||
+			(!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index])) ||
+			(priv->ieee80211->queue_stop)) {
 			RT_TRACE(COMP_FIRMWARE,"=====================================================> tx full!\n");
 			skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
-		}
-		else
-		{
-			priv->ieee80211->softmac_hard_start_xmit(skb,dev);
-		}
+		} else
+			priv->ieee80211->softmac_hard_start_xmit(skb, dev);
 
 		frag_offset += (frag_length - ExtraDescOffset);
 
-	}while(frag_offset < buffer_len);
-
+	} while (frag_offset < buffer_len);
 	return rt_status ;
 
-
 cmdsend_downloadcode_fail:
 	rt_status = false;
-	RT_TRACE(COMP_ERR, "CmdSendDownloadCode fail !!\n");
+	RT_TRACE(COMP_ERR, "(%s): failed\n", __func__);
 	return rt_status;
-
 }
 
 
-RT_STATUS
-FirmwareEnableCPU(struct net_device *dev)
+RT_STATUS FirmwareEnableCPU(struct net_device *dev)
 {
+	RT_STATUS rtStatus = RT_STATUS_SUCCESS;
+	u8 tmpU1b, CPUStatus = 0;
+	u16 tmpU2b;
+	u32 iCheckTime = 200;
 
-	RT_STATUS	rtStatus = RT_STATUS_SUCCESS;
-	u8		tmpU1b, CPUStatus = 0;
-	u16		tmpU2b;
-	u32		iCheckTime = 200;
-
-	RT_TRACE(COMP_FIRMWARE, "-->FirmwareEnableCPU()\n" );
-	// Enable CPU.
+	/* Enable CPU. */
 	tmpU1b = read_nic_byte(dev, SYS_CLKR);
-	write_nic_byte(dev,  SYS_CLKR, (tmpU1b|SYS_CPU_CLKSEL)); //AFE source
-
+	/* AFE source */
+	write_nic_byte(dev,  SYS_CLKR, (tmpU1b|SYS_CPU_CLKSEL));
 	tmpU2b = read_nic_word(dev, SYS_FUNC_EN);
 	write_nic_word(dev, SYS_FUNC_EN, (tmpU2b|FEN_CPUEN));
-
-	//Polling IMEM Ready after CPU has refilled.
-	do
-	{
+	/* Poll IMEM Ready after CPU has refilled. */
+	do {
 		CPUStatus = read_nic_byte(dev, TCR);
-		if(CPUStatus& IMEM_RDY)
-		{
-			RT_TRACE(COMP_FIRMWARE, "IMEM Ready after CPU has refilled.\n");
+		if (CPUStatus & IMEM_RDY)
+			/* success */
 			break;
-		}
-
-		//usleep(100);
 		udelay(100);
-	}while(iCheckTime--);
-
-	if(!(CPUStatus & IMEM_RDY))
-		return RT_STATUS_FAILURE;
-
-	RT_TRACE(COMP_FIRMWARE, "<--FirmwareEnableCPU(): rtStatus(%#x)\n", rtStatus);
+	} while (iCheckTime--);
+	if (!(CPUStatus & IMEM_RDY)) {
+		RT_TRACE(COMP_ERR, "(%s): failed to enable CPU\n", __func__);
+		rtStatus = RT_STATUS_FAILURE;
+	}
 	return rtStatus;
 }
 
diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index efba60826ad..5696b00c89f 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -1296,7 +1296,6 @@ static int rtl8192_rx_initiate(struct net_device*dev)
                         kfree_skb(skb);
                         break;
                 }
-//		printk("nomal packet IN request!\n");
                 usb_fill_bulk_urb(entry, priv->udev,
                                   usb_rcvbulkpipe(priv->udev, 3), skb_tail_pointer(skb),
                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
@@ -1310,7 +1309,6 @@ static int rtl8192_rx_initiate(struct net_device*dev)
 
 	/* command packet rx procedure */
         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
-//		printk("command packet IN request!\n");
                 skb = __dev_alloc_skb(RX_URB_SIZE ,GFP_KERNEL);
                 if (!skb)
                         break;
diff --git a/drivers/staging/rtl8192su/r819xU_cmdpkt.c b/drivers/staging/rtl8192su/r819xU_cmdpkt.c
index 43b68a02d0c..a8e9d2d96f5 100644
--- a/drivers/staging/rtl8192su/r819xU_cmdpkt.c
+++ b/drivers/staging/rtl8192su/r819xU_cmdpkt.c
@@ -26,6 +26,12 @@ bool SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
 	 * (It is shared by CmdQ, MgntQ, and USB coalesce DataQ)
 	 */
 	skb  = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);
+	if (skb == NULL) {
+		RT_TRACE(COMP_ERR, "(%s): unable to alloc skb buffer\n",
+								__func__);
+		rtStatus = false;
+		return rtStatus;
+	}
 	memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
 	tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 	tcb_desc->queue_index = TXCMD_QUEUE;

From e695b470b30fbaf41d6aab0f9ed99be1ad4aa3af Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Tue, 4 May 2010 14:24:12 +0200
Subject: [PATCH 1125/3638] Staging: rtl8192su: refactored FirmwareCheckReady

replaced if..else if..else by a switch.
this is hopefully easier to read.

plus cosmetics.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192S_firmware.c | 140 +++++++++-----------
 1 file changed, 64 insertions(+), 76 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192S_firmware.c b/drivers/staging/rtl8192su/r8192S_firmware.c
index 37d164c0e92..5036d547d5d 100644
--- a/drivers/staging/rtl8192su/r8192S_firmware.c
+++ b/drivers/staging/rtl8192su/r8192S_firmware.c
@@ -107,9 +107,9 @@ cmdsend_downloadcode_fail:
 }
 
 
-RT_STATUS FirmwareEnableCPU(struct net_device *dev)
+bool FirmwareEnableCPU(struct net_device *dev)
 {
-	RT_STATUS rtStatus = RT_STATUS_SUCCESS;
+	bool rtStatus = true;
 	u8 tmpU1b, CPUStatus = 0;
 	u16 tmpU2b;
 	u32 iCheckTime = 200;
@@ -129,8 +129,8 @@ RT_STATUS FirmwareEnableCPU(struct net_device *dev)
 		udelay(100);
 	} while (iCheckTime--);
 	if (!(CPUStatus & IMEM_RDY)) {
-		RT_TRACE(COMP_ERR, "(%s): failed to enable CPU\n", __func__);
-		rtStatus = RT_STATUS_FAILURE;
+		RT_TRACE(COMP_ERR, "%s(): failed to enable CPU", __func__);
+		rtStatus = false;
 	}
 	return rtStatus;
 }
@@ -165,106 +165,87 @@ FirmwareGetNextStatus(FIRMWARE_8192S_STATUS FWCurrentStatus)
 	return	NextFWStatus;
 }
 
-bool
-FirmwareCheckReady(struct net_device *dev,	u8 LoadFWStatus)
+bool FirmwareCheckReady(struct net_device *dev, u8 LoadFWStatus)
 {
-	struct r8192_priv 	*priv = ieee80211_priv(dev);
-	RT_STATUS	rtStatus = RT_STATUS_SUCCESS;
-	rt_firmware	*pFirmware = priv->pFirmware;
-	int			PollingCnt = 1000;
-	//u8	 	tmpU1b, CPUStatus = 0;
-	u8	 	CPUStatus = 0;
-	u32		tmpU4b;
-	//bool		bOrgIMREnable;
-
-	RT_TRACE(COMP_FIRMWARE, "--->FirmwareCheckReady(): LoadStaus(%d),", LoadFWStatus);
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	bool rtStatus = true;
+	rt_firmware *pFirmware = priv->pFirmware;
+	int PollingCnt = 1000;
+	u8 CPUStatus = 0;
+	u32 tmpU4b;
 
 	pFirmware->FWStatus = (FIRMWARE_8192S_STATUS)LoadFWStatus;
-	if( LoadFWStatus == FW_STATUS_LOAD_IMEM)
-	{
-		do
-		{//Polling IMEM code done.
+	switch (LoadFWStatus) {
+	case FW_STATUS_LOAD_IMEM:
+		do { /* Polling IMEM code done. */
 			CPUStatus = read_nic_byte(dev, TCR);
 			if(CPUStatus& IMEM_CODE_DONE)
 				break;
-
 			udelay(5);
-		}while(PollingCnt--);
-		if(!(CPUStatus & IMEM_CHK_RPT) || PollingCnt <= 0)
-		{
+		} while (PollingCnt--);
+		if (!(CPUStatus & IMEM_CHK_RPT) || PollingCnt <= 0) {
 			RT_TRACE(COMP_ERR, "FW_STATUS_LOAD_IMEM FAIL CPU, Status=%x\r\n", CPUStatus);
-			return false;
+			goto FirmwareCheckReadyFail;
 		}
-	}
-	else if( LoadFWStatus == FW_STATUS_LOAD_EMEM)
-	{//Check Put Code OK and Turn On CPU
-		do
-		{//Polling EMEM code done.
+		break;
+	case FW_STATUS_LOAD_EMEM: /* Check Put Code OK and Turn On CPU */
+		do { /* Polling EMEM code done. */
 			CPUStatus = read_nic_byte(dev, TCR);
 			if(CPUStatus& EMEM_CODE_DONE)
 				break;
-
 			udelay(5);
-		}while(PollingCnt--);
-		if(!(CPUStatus & EMEM_CHK_RPT))
-		{
+		} while (PollingCnt--);
+		if (!(CPUStatus & EMEM_CHK_RPT)) {
 			RT_TRACE(COMP_ERR, "FW_STATUS_LOAD_EMEM FAIL CPU, Status=%x\r\n", CPUStatus);
-			return false;
+			goto FirmwareCheckReadyFail;
 		}
-
-		// Turn On CPU
-		rtStatus = FirmwareEnableCPU(dev);
-		if(rtStatus != RT_STATUS_SUCCESS)
-		{
-			RT_TRACE(COMP_ERR, "Enable CPU fail ! \n" );
-			return false;
+		/* Turn On CPU */
+		if (FirmwareEnableCPU(dev) != true) {
+			RT_TRACE(COMP_ERR, "%s(): failed to enable CPU",
+								__func__);
+			goto FirmwareCheckReadyFail;
 		}
-	}
-	else if( LoadFWStatus == FW_STATUS_LOAD_DMEM)
-	{
-		do
-		{//Polling DMEM code done
+		break;
+	case FW_STATUS_LOAD_DMEM:
+		do { /* Polling DMEM code done */
 			CPUStatus = read_nic_byte(dev, TCR);
 			if(CPUStatus& DMEM_CODE_DONE)
 				break;
 
 			udelay(5);
-		}while(PollingCnt--);
+		} while (PollingCnt--);
 
-		if(!(CPUStatus & DMEM_CODE_DONE))
-		{
+		if (!(CPUStatus & DMEM_CODE_DONE)) {
 			RT_TRACE(COMP_ERR, "Polling  DMEM code done fail ! CPUStatus(%#x)\n", CPUStatus);
-			return false;
+			goto FirmwareCheckReadyFail;
 		}
 
-		RT_TRACE(COMP_FIRMWARE, "DMEM code download success, CPUStatus(%#x)\n", CPUStatus);
+		RT_TRACE(COMP_FIRMWARE, "%s(): DMEM code download success, "
+					"CPUStatus(%#x)",
+					__func__, CPUStatus);
 
-//              PollingCnt = 100; // Set polling cycle to 10ms.
-              PollingCnt = 10000; // Set polling cycle to 10ms.
+		PollingCnt = 10000; /* Set polling cycle to 10ms. */
 
-		do
-		{//Polling Load Firmware ready
+		do { /* Polling Load Firmware ready */
 			CPUStatus = read_nic_byte(dev, TCR);
 			if(CPUStatus & FWRDY)
 				break;
-
 			udelay(100);
-		}while(PollingCnt--);
+		} while (PollingCnt--);
 
-		RT_TRACE(COMP_FIRMWARE, "Polling Load Firmware ready, CPUStatus(%x)\n", CPUStatus);
+		RT_TRACE(COMP_FIRMWARE, "%s(): polling load firmware ready, "
+					"CPUStatus(%x)",
+					__func__, CPUStatus);
 
-		//if(!(CPUStatus & LOAD_FW_READY))
-		//if((CPUStatus & LOAD_FW_READY) != 0xff)
-		if((CPUStatus & LOAD_FW_READY) != LOAD_FW_READY)
-		{
-			RT_TRACE(COMP_ERR, "Polling Load Firmware ready fail ! CPUStatus(%x)\n", CPUStatus);
-			return false;
+		if ((CPUStatus & LOAD_FW_READY) != LOAD_FW_READY) {
+			RT_TRACE(COMP_ERR, "Polling Load Firmware ready failed "
+						"CPUStatus(%x)\n", CPUStatus);
+			goto FirmwareCheckReadyFail;
 		}
-
-	       //
-              // <Roger_Notes> USB interface will update reserved followings parameters later!!
-              // 2008.08.28.
-              //
+		/*
+		 * USB interface will update
+		 * reserved followings parameters later
+		 */
 
 	       //
               // <Roger_Notes> If right here, we can set TCR/RCR to desired value
@@ -277,16 +258,23 @@ FirmwareCheckReady(struct net_device *dev,	u8 LoadFWStatus)
 		write_nic_dword(dev, RCR,
 			(tmpU4b|RCR_APPFCS|RCR_APP_ICV|RCR_APP_MIC));
 
-		RT_TRACE(COMP_FIRMWARE, "FirmwareCheckReady(): Current RCR settings(%#x)\n", tmpU4b);
-
-
+		RT_TRACE(COMP_FIRMWARE, "%s(): Current RCR settings(%#x)",
+							__func__, tmpU4b);
 		// Set to normal mode.
 		write_nic_byte(dev, LBKMD_SEL, LBK_NORMAL);
-
+		break;
+	default:
+		break;
 	}
+	RT_TRACE(COMP_FIRMWARE, "%s(): LoadFWStatus(%d), success",
+							__func__, LoadFWStatus);
+	return rtStatus;
 
-	RT_TRACE(COMP_FIRMWARE, "<---FirmwareCheckReady(): LoadFWStatus(%d), rtStatus(%x)\n", LoadFWStatus, rtStatus);
-	return (rtStatus == RT_STATUS_SUCCESS) ? true:false;
+FirmwareCheckReadyFail:
+	rtStatus = false;
+	RT_TRACE(COMP_FIRMWARE, "%s(): LoadFWStatus(%d), failed",
+							__func__, LoadFWStatus);
+	return rtStatus;
 }
 
 //

From 495c57f5f0af9e6075e86f5fb2249d60bc8cdb34 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Tue, 4 May 2010 14:24:35 +0200
Subject: [PATCH 1126/3638] Staging: rtl8192su: all rtl8192su chips have the
 93c46 eprom

all rtl8192su chips have the 93c46 eprom. (no 93c56)
it it theoretically safe to remove the 93c56 definitions and some unneeded code.
if your device stops working after this patch, please send me a mail
and include some information about your device:
* dmesg
* lsusb -v
* _exact_ chipset (version)
* vendor
* everything else, that may help

plus cosmetics.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192S_phy.c  |   7 +-
 drivers/staging/rtl8192su/r8192U.h      |   8 +-
 drivers/staging/rtl8192su/r8192U_core.c | 150 +++++++-----------------
 3 files changed, 45 insertions(+), 120 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192S_phy.c b/drivers/staging/rtl8192su/r8192S_phy.c
index 83c8aaaccd6..69ede47dfdc 100644
--- a/drivers/staging/rtl8192su/r8192S_phy.c
+++ b/drivers/staging/rtl8192su/r8192S_phy.c
@@ -1873,10 +1873,9 @@ PHY_GetTxPowerLevel8192S(
 	if(priv->bTXPowerDataReadFromEEPORM == FALSE)
 		return;
 
-	//
-	// Read predefined TX power index in EEPROM
-	//
-//	if(priv->epromtype == EPROM_93c46)
+	/*
+	 * Read predefined TX power index in EEPROM
+	 */
 	{
 		//
 		// Mainly we use RF-A Tx Power to write the Tx Power registers, but the RF-B Tx
diff --git a/drivers/staging/rtl8192su/r8192U.h b/drivers/staging/rtl8192su/r8192U.h
index 83062525329..4112e149a32 100644
--- a/drivers/staging/rtl8192su/r8192U.h
+++ b/drivers/staging/rtl8192su/r8192U.h
@@ -741,11 +741,6 @@ typedef enum _RTL8192SUSB_LOOPBACK{
 #define RSVD_FW_QUEUE_PAGE_CMD_SHIFT	0x08
 #define RSVD_FW_QUEUE_PAGE_BCN_SHIFT	0x00
 #define RSVD_FW_QUEUE_PAGE_PUB_SHIFT	0x08
-//=================================================================
-//=================================================================
-
-#define EPROM_93c46 0
-#define EPROM_93c56 1
 
 #define DEFAULT_FRAG_THRESHOLD 2342U
 #define MIN_FRAG_THRESHOLD     256U
@@ -1129,8 +1124,7 @@ typedef struct r8192_priv
 {
 	struct rtl819x_ops* ops;
 	struct usb_device *udev;
-	//added for maintain info from eeprom
-	short epromtype;
+	/* added for maintain info from eeprom */
 	u16 eeprom_vid;
 	u16 eeprom_pid;
 	u8  eeprom_CustomerID;
diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 5696b00c89f..d372ff22a0d 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -3309,18 +3309,6 @@ static void rtl8192_init_priv_task(struct net_device* dev)
 	     (unsigned long)priv);
 }
 
-static void rtl8192_get_eeprom_size(struct net_device* dev)
-{
-	u16 curCR = 0;
-	struct r8192_priv *priv = ieee80211_priv(dev);
-	RT_TRACE(COMP_EPROM, "===========>%s()\n", __FUNCTION__);
-	curCR = read_nic_word_E(dev,EPROM_CMD);
-	RT_TRACE(COMP_EPROM, "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
-	//whether need I consider BIT5?
-	priv->epromtype = (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
-	RT_TRACE(COMP_EPROM, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
-}
-
 //used to swap endian. as ntohl & htonl are not neccessary to swap endian, so use this instead.
 static inline u16 endian_swap(u16* data)
 {
@@ -3523,46 +3511,40 @@ void rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device *dev)
 	RT_TRACE(COMP_INIT, "<==== ConfigAdapterInfo8192SForAutoLoadFail\n");
 }
 
-//
-//	Description:
-//		Read HW adapter information by E-Fuse or EEPROM according CR9346 reported.
-//
-//	Assumption:
-//		1. CR9346 regiser has verified.
-//		2. PASSIVE_LEVEL (USB interface)
-//
-//	Created by Roger, 2008.10.21.
-//
-void rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
+/*
+ *	Description:
+ *		Read HW adapter information by E-Fuse
+ *		or EEPROM according CR9346 reported.
+ *
+ *	Assumption:
+ *		1. CR9346 regiser has verified.
+ *		2. PASSIVE_LEVEL (USB interface)
+ */
+void rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	u16 i;
 	u8 tmpU1b, tempval;
 	u16 EEPROMId;
 	u8 hwinfo[HWSET_MAX_SIZE_92S];
-	u8 rf_path, index;	// For EEPROM/EFUSE After V0.6_1117
+	u8 rf_path, index; /* For EEPROM/EFUSE After V0.6_1117 */
 	struct eeprom_93cx6 eeprom;
 	u16 eeprom_val;
 
 	eeprom.data = dev;
 	eeprom.register_read = rtl819x_eeprom_register_read;
 	eeprom.register_write = rtl819x_eeprom_register_write;
-	if (priv->epromtype == EPROM_93c46)
-		eeprom.width = PCI_EEPROM_WIDTH_93C46;
-	else
-		eeprom.width = PCI_EEPROM_WIDTH_93C56;
-
-	RT_TRACE(COMP_INIT, "====> ReadAdapterInfo8192SUsb\n");
+	eeprom.width = PCI_EEPROM_WIDTH_93C46;
 
 	/*
-	 * The following operation are prevent Efuse leakage by turn on 2.5V..
+	 * The following operation are prevent Efuse leakage by turn on 2.5V.
 	 */
 	tmpU1b = read_nic_byte(dev, EFUSE_TEST+3);
 	write_nic_byte(dev, EFUSE_TEST+3, tmpU1b|0x80);
 	mdelay(10);
 	write_nic_byte(dev, EFUSE_TEST+3, (tmpU1b&(~BIT7)));
 
-	// Retrieve Chip version.
+	/* Retrieve Chip version. */
 	priv->card_8192_version = (VERSION_8192S)((read_nic_dword(dev, PMC_FSM)>>16)&0xF);
 	RT_TRACE(COMP_INIT, "Chip Version ID: 0x%2x\n", priv->card_8192_version);
 
@@ -3582,103 +3564,59 @@ void rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
 		break;
 	}
 
-	//if (IS_BOOT_FROM_EEPROM(Adapter))
-	if(priv->EepromOrEfuse)
-	{	// Read frin EEPROM
-		write_nic_byte(dev, SYS_ISO_CTRL+1, 0xE8); // Isolation signals from Loader
-		//PlatformStallExecution(10000);
+	if (priv->EepromOrEfuse) { /* Read from EEPROM */
+		/* Isolation signals from Loader */
+		write_nic_byte(dev, SYS_ISO_CTRL+1, 0xE8);
 		mdelay(10);
-		write_nic_byte(dev, PMC_FSM, 0x02); // Enable Loader Data Keep
-		// Read all Content from EEPROM or EFUSE.
-		for(i = 0; i < HWSET_MAX_SIZE_92S; i += 2)
-		{
+		/* Enable Loader Data Keep */
+		write_nic_byte(dev, PMC_FSM, 0x02);
+		/* Read all Content from EEPROM or EFUSE. */
+		for (i = 0; i < HWSET_MAX_SIZE_92S; i += 2) {
 			eeprom_93cx6_read(&eeprom, (u16) (i>>1), &eeprom_val);
 			*((u16 *)(&hwinfo[i])) = eeprom_val;
 		}
-	}
-	else if (!(priv->EepromOrEfuse))
-	{	// Read from EFUSE
-
-		//
-		// <Roger_Notes> We set Isolation signals from Loader and reset EEPROM after system resuming
-		// from suspend mode.
-		// 2008.10.21.
-		//
-		//PlatformEFIOWrite1Byte(Adapter, SYS_ISO_CTRL+1, 0xE8); // Isolation signals from Loader
-		//PlatformStallExecution(10000);
-		//PlatformEFIOWrite1Byte(Adapter, SYS_FUNC_EN+1, 0x40);
-		//PlatformEFIOWrite1Byte(Adapter, SYS_FUNC_EN+1, 0x50);
-
-		//tmpU1b = PlatformEFIORead1Byte(Adapter, EFUSE_TEST+3);
-		//PlatformEFIOWrite1Byte(Adapter, EFUSE_TEST+3, (tmpU1b | 0x80));
-		//PlatformEFIOWrite1Byte(Adapter, EFUSE_TEST+3, 0x72);
-		//PlatformEFIOWrite1Byte(Adapter, EFUSE_CLK, 0x03);
-
-		// Read EFUSE real map to shadow.
+	} else if (!(priv->EepromOrEfuse)) { /* Read from EFUSE */
+		/* Read EFUSE real map to shadow. */
 		EFUSE_ShadowMapUpdate(dev);
 		memcpy(hwinfo, &priv->EfuseMap[EFUSE_INIT_MAP][0], HWSET_MAX_SIZE_92S);
-	}
-	else
-	{
-		RT_TRACE(COMP_INIT, "ReadAdapterInfo8192SUsb(): Invalid boot type!!\n");
+	} else {
+		RT_TRACE(COMP_INIT, "%s(): Invalid boot type", __func__);
 	}
 
-	//YJ,test,090106
-	//dump_buf(hwinfo,HWSET_MAX_SIZE_92S);
-	//
-	// <Roger_Notes> The following are EFUSE/EEPROM independent operations!!
-	//
-	//RT_PRINT_DATA(COMP_EFUSE, DBG_LOUD, ("MAP: \n"), hwinfo, HWSET_MAX_SIZE_92S);
-
-	//
-	// <Roger_Notes> Event though CR9346 regiser can verify whether Autoload is success or not, but we still
-	// double check ID codes for 92S here(e.g., due to HW GPIO polling fail issue).
-	// 2008.10.21.
-	//
+	/*
+	 * Even though CR9346 regiser can verify whether Autoload
+	 * is success or not, but we still double check ID codes for 92S here
+	 * (e.g., due to HW GPIO polling fail issue)
+	 */
 	EEPROMId = *((u16 *)&hwinfo[0]);
-
-	if( EEPROMId != RTL8190_EEPROM_ID )
-	{
+	if (EEPROMId != RTL8190_EEPROM_ID) {
 		RT_TRACE(COMP_INIT, "ID(%#x) is invalid!!\n", EEPROMId);
 		priv->bTXPowerDataReadFromEEPORM = FALSE;
 		priv->AutoloadFailFlag=TRUE;
-	}
-	else
-	{
+	} else {
 		priv->AutoloadFailFlag=FALSE;
 		priv->bTXPowerDataReadFromEEPORM = TRUE;
 	}
-       // Read IC Version && Channel Plan
-	if(!priv->AutoloadFailFlag)
-	{
-        	// VID, PID
+	/* Read IC Version && Channel Plan */
+	if (!priv->AutoloadFailFlag) {
+        	/* VID, PID */
 	    	priv->eeprom_vid = *(u16 *)&hwinfo[EEPROM_VID];
 		priv->eeprom_pid = *(u16 *)&hwinfo[EEPROM_PID];
 		priv->bIgnoreDiffRateTxPowerOffset = false;	//cosa for test
 
 
-		// EEPROM Version ID, Channel plan
+		/* EEPROM Version ID, Channel plan */
 		priv->EEPROMVersion = *(u8 *)&hwinfo[EEPROM_Version];
 		priv->eeprom_ChannelPlan = *(u8 *)&hwinfo[EEPROM_ChannelPlan];
 
-		// Customer ID, 0x00 and 0xff are reserved for Realtek.
+		/* Customer ID, 0x00 and 0xff are reserved for Realtek. */
 		priv->eeprom_CustomerID = *(u8 *)&hwinfo[EEPROM_CustomID];
 		priv->eeprom_SubCustomerID = *(u8 *)&hwinfo[EEPROM_SubCustomID];
-	}
-	else
-	{
-		//priv->eeprom_vid = 0;
-		//priv->eeprom_pid = 0;
-		//priv->EEPROMVersion = 0;
-		//priv->eeprom_ChannelPlan = 0;
-		//priv->eeprom_CustomerID = 0;
-		//priv->eeprom_SubCustomerID = 0;
-
+	} else {
 		rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(dev);
 		return;
 	}
 
-
 	RT_TRACE(COMP_INIT, "EEPROM Id = 0x%4x\n", EEPROMId);
 	RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
 	RT_TRACE(COMP_INIT, "EEPROM PID = 0x%4x\n", priv->eeprom_pid);
@@ -3688,18 +3626,13 @@ void rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
 	RT_TRACE(COMP_INIT, "EEPROM ChannelPlan = 0x%4x\n", priv->eeprom_ChannelPlan);
 	RT_TRACE(COMP_INIT, "bIgnoreDiffRateTxPowerOffset = %d\n", priv->bIgnoreDiffRateTxPowerOffset);
 
-
-	// Read USB optional function.
-	if(!priv->AutoloadFailFlag)
-	{
+	/* Read USB optional function. */
+	if (!priv->AutoloadFailFlag) {
 		priv->EEPROMUsbOption = *(u8 *)&hwinfo[EEPROM_USB_OPTIONAL];
-	}
-	else
-	{
+	} else {
 		priv->EEPROMUsbOption = EEPROM_USB_Default_OPTIONAL_FUNC;
 	}
 
-
 	priv->EEPROMUsbEndPointNumber = rtl8192SU_UsbOptionToEndPointNumber((priv->EEPROMUsbOption&EEPROM_EP_NUMBER)>>3);
 
 	RT_TRACE(COMP_INIT, "USB Option = %#x\n", priv->EEPROMUsbOption);
@@ -4138,7 +4071,6 @@ short rtl8192_init(struct net_device *dev)
 	rtl8192_init_priv_variable(dev);
 	rtl8192_init_priv_lock(priv);
 	rtl8192_init_priv_task(dev);
-	rtl8192_get_eeprom_size(dev);
 	priv->ops->rtl819x_read_eeprom_info(dev);
 	rtl8192_get_channel_map(dev);
 	init_hal_dm(dev);

From ad313b1062f0e16e5fa64e1a34eec37e1b8a3341 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:42:56 +0100
Subject: [PATCH 1127/3638] staging:iio: Add new in_raw definitions for adc
 channels.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/adc/adc.h | 12 ++++++++++++
 drivers/staging/iio/sysfs.h   |  3 +++
 2 files changed, 15 insertions(+)

diff --git a/drivers/staging/iio/adc/adc.h b/drivers/staging/iio/adc/adc.h
index d925b2c5e38..46f0d08b476 100644
--- a/drivers/staging/iio/adc/adc.h
+++ b/drivers/staging/iio/adc/adc.h
@@ -9,5 +9,17 @@
  *
  */
 
+/* Deprecated */
 #define IIO_DEV_ATTR_ADC(_num, _show, _addr)			\
   IIO_DEVICE_ATTR(adc_##_num, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_IN_RAW(_num, _show, _addr)				\
+	IIO_DEVICE_ATTR(in##_num##_raw, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_IN_DIFF_RAW(_nump, _numn, _show, _addr)		\
+	IIO_DEVICE_ATTR_NAMED(in##_nump##min##_numn##_raw,		\
+			      in##_nump-in##_numn##_raw,		\
+			      S_IRUGO,					\
+			      _show,					\
+			      NULL,					\
+			      _addr)
diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h
index e501e1338e1..d8fe0e27603 100644
--- a/drivers/staging/iio/sysfs.h
+++ b/drivers/staging/iio/sysfs.h
@@ -98,6 +98,9 @@ struct iio_const_attr {
 	struct iio_dev_attr iio_dev_attr_##_name		\
 	= IIO_ATTR(_name, _mode, _show, _store, _addr)
 
+#define IIO_DEVICE_ATTR_NAMED(_vname, _name, _mode, _show, _store, _addr) \
+	struct iio_dev_attr iio_dev_attr_##_vname			\
+	= IIO_ATTR(_name, _mode, _show, _store, _addr)
 
 #define IIO_DEVICE_ATTR_2(_name, _mode, _show, _store, _addr, _val2)	\
 	struct iio_dev_attr iio_dev_attr_##_name			\

From ff7723e203349c18d7149e7cf2a4ae928bb9da69 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:42:57 +0100
Subject: [PATCH 1128/3638] staging:iio: Add new attrs for sampling frequency
 available and temp_raw

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/sysfs.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h
index d8fe0e27603..afcf5ab85f4 100644
--- a/drivers/staging/iio/sysfs.h
+++ b/drivers/staging/iio/sysfs.h
@@ -144,18 +144,25 @@ struct iio_const_attr {
  *
  * May be mode dependent on some devices
  **/
+/* Deprecated */
 #define IIO_DEV_ATTR_AVAIL_SAMP_FREQ(_show)				\
 	IIO_DEVICE_ATTR(available_sampling_frequency, S_IRUGO, _show, NULL, 0)
 
+#define IIO_DEV_ATTR_SAMP_FREQ_AVAIL(_show)				\
+	IIO_DEVICE_ATTR(sampling_frequency_available, S_IRUGO, _show, NULL, 0)
 /**
  * IIO_CONST_ATTR_AVAIL_SAMP_FREQ - list available sampling frequencies
  * @_string: frequency string for the attribute
  *
  * Constant version
  **/
-#define IIO_CONST_ATTR_AVAIL_SAMP_FREQ(_string)	\
+/* Deprecated */
+#define IIO_CONST_ATTR_AVAIL_SAMP_FREQ(_string)			\
 	IIO_CONST_ATTR(available_sampling_frequency, _string)
 
+#define IIO_CONST_ATTR_SAMP_FREQ_AVAIL(_string)			\
+	IIO_CONST_ATTR(sampling_frequency_available, _string)
+
 /**
  * IIO_DEV_ATTR_SCAN_MODE - select a scan mode
  * @_mode: sysfs file mode/permissions
@@ -234,6 +241,9 @@ struct iio_const_attr {
 #define IIO_DEV_ATTR_TEMP(_show)			\
 	IIO_DEVICE_ATTR(temp, S_IRUGO, _show, NULL, 0)
 
+#define IIO_DEV_ATTR_TEMP_RAW(_show)			\
+	IIO_DEVICE_ATTR(temp_raw, S_IRUGO, _show, NULL, 0)
+
 /**
  * IIO_EVENT_SH - generic shared event handler
  * @_name: event name

From f3fb001191a38a81bbc3cb363af2c279609ecc7c Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:42:58 +0100
Subject: [PATCH 1129/3638] iio:staging:accelerometers move towards the new abi

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/accel.h          |   8 +-
 drivers/staging/iio/accel/kxsd9.c          |  88 ++++++-----
 drivers/staging/iio/accel/lis3l02dq.h      |   4 -
 drivers/staging/iio/accel/lis3l02dq_core.c | 159 +++++++++----------
 drivers/staging/iio/accel/lis3l02dq_ring.c |   8 +-
 drivers/staging/iio/accel/sca3000.h        |   2 +
 drivers/staging/iio/accel/sca3000_core.c   | 168 ++++++++++-----------
 drivers/staging/iio/accel/sca3000_ring.c   |  33 +++-
 drivers/staging/iio/ring_generic.h         |   4 +-
 9 files changed, 252 insertions(+), 222 deletions(-)

diff --git a/drivers/staging/iio/accel/accel.h b/drivers/staging/iio/accel/accel.h
index d7fc7f98348..059209c9e33 100644
--- a/drivers/staging/iio/accel/accel.h
+++ b/drivers/staging/iio/accel/accel.h
@@ -2,7 +2,6 @@
 #include "../sysfs.h"
 
 /* Accelerometer types of attribute */
-
 #define IIO_DEV_ATTR_ACCEL_X_OFFSET(_mode, _show, _store, _addr)	\
 	IIO_DEVICE_ATTR(accel_x_offset, _mode, _show, _store, _addr)
 
@@ -22,13 +21,13 @@
 	IIO_DEVICE_ATTR(accel_z_gain, _mode, _show, _store, _addr)
 
 #define IIO_DEV_ATTR_ACCEL_X(_show, _addr)			\
-	IIO_DEVICE_ATTR(accel_x, S_IRUGO, _show, NULL, _addr)
+	IIO_DEVICE_ATTR(accel_x_raw, S_IRUGO, _show, NULL, _addr)
 
 #define IIO_DEV_ATTR_ACCEL_Y(_show, _addr)			\
-	IIO_DEVICE_ATTR(accel_y, S_IRUGO, _show, NULL, _addr)
+	IIO_DEVICE_ATTR(accel_y_raw, S_IRUGO, _show, NULL, _addr)
 
 #define IIO_DEV_ATTR_ACCEL_Z(_show, _addr)			\
-	IIO_DEVICE_ATTR(accel_z, S_IRUGO, _show, NULL, _addr)
+	IIO_DEVICE_ATTR(accel_z_raw, S_IRUGO, _show, NULL, _addr)
 
 /* Thresholds are somewhat chip dependent - may need quite a few defs here */
 /* For unified thresholds (shared across all directions */
@@ -61,7 +60,6 @@
 #define IIO_DEV_ATTR_ACCEL_THRESH_Z(_mode, _show, _store, _addr)	\
 	IIO_DEVICE_ATTR(thresh_accel_z, _mode, _show, _store, _addr)
 
-
 /**
  * IIO_EVENT_ATTR_ACCEL_X_HIGH: threshold event, x acceleration
  * @_show: read x acceleration high threshold
diff --git a/drivers/staging/iio/accel/kxsd9.c b/drivers/staging/iio/accel/kxsd9.c
index db2dd537ffb..ae7ffe114fc 100644
--- a/drivers/staging/iio/accel/kxsd9.c
+++ b/drivers/staging/iio/accel/kxsd9.c
@@ -26,6 +26,7 @@
 #include <linux/rtc.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
+#include <linux/string.h>
 
 #include "../iio.h"
 #include "../sysfs.h"
@@ -51,8 +52,10 @@
 #define KXSD9_READ(a) (0x80 | (a))
 #define KXSD9_WRITE(a) (a)
 
-#define IIO_DEV_ATTR_ACCEL_SET_RANGE(_mode, _show, _store)	\
-	IIO_DEVICE_ATTR(accel_range, _mode, _show, _store, 0)
+#define KXSD9_SCALE_2G "0.011978"
+#define KXSD9_SCALE_4G "0.023927"
+#define KXSD9_SCALE_6G "0.035934"
+#define KXSD9_SCALE_8G "0.047853"
 
 #define KXSD9_STATE_RX_SIZE 2
 #define KXSD9_STATE_TX_SIZE 4
@@ -73,9 +76,9 @@ struct kxsd9_state {
 };
 
 /* This may want to move to mili g to allow for non integer ranges */
-static ssize_t kxsd9_read_accel_range(struct device *dev,
-				      struct device_attribute *attr,
-				      char *buf)
+static ssize_t kxsd9_read_scale(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
 {
 	int ret;
 	ssize_t len = 0;
@@ -101,16 +104,16 @@ static ssize_t kxsd9_read_accel_range(struct device *dev,
 
 	switch (st->rx[1] & KXSD9_FS_MASK) {
 	case KXSD9_FS_8:
-		len += sprintf(buf, "8\n");
+		len += sprintf(buf, "%s\n", KXSD9_SCALE_8G);
 		break;
 	case KXSD9_FS_6:
-		len += sprintf(buf, "6\n");
+		len += sprintf(buf, "%s\n", KXSD9_SCALE_6G);
 		break;
 	case KXSD9_FS_4:
-		len += sprintf(buf, "4\n");
+		len += sprintf(buf, "%s\n", KXSD9_SCALE_4G);
 		break;
 	case KXSD9_FS_2:
-		len += sprintf(buf, "2\n");
+		len += sprintf(buf, "%s\n", KXSD9_SCALE_2G);
 		break;
 	}
 
@@ -119,12 +122,12 @@ error_ret:
 
 	return ret ? ret : len;
 }
-static ssize_t kxsd9_write_accel_range(struct device *dev,
-				      struct device_attribute *attr,
-				      const char *buf,
-				      size_t len)
+static ssize_t kxsd9_write_scale(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *buf,
+				 size_t len)
 {
-	long readin;
+
 	struct spi_message msg;
 	int ret;
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -145,25 +148,25 @@ static ssize_t kxsd9_write_accel_range(struct device *dev,
 		},
 	};
 
-	ret = strict_strtol(buf, 10, &readin);
-	if (ret)
-		return ret;
-	switch (readin) {
-	case 8:
+	if (!strncmp(buf, KXSD9_SCALE_8G,
+		     strlen(buf) < strlen(KXSD9_SCALE_8G)
+		     ? strlen(buf) : strlen(KXSD9_SCALE_8G)))
 		val = KXSD9_FS_8;
-		break;
-	case 6:
+	else if (!strncmp(buf, KXSD9_SCALE_6G,
+			  strlen(buf) < strlen(KXSD9_SCALE_6G)
+			  ? strlen(buf) : strlen(KXSD9_SCALE_6G)))
 		val = KXSD9_FS_6;
-		break;
-	case 4:
+	else if (!strncmp(buf, KXSD9_SCALE_4G,
+			  strlen(buf) < strlen(KXSD9_SCALE_4G)
+			  ? strlen(buf) : strlen(KXSD9_SCALE_4G)))
 		val = KXSD9_FS_4;
-		break;
-	case 2:
+	else if (!strncmp(buf, KXSD9_SCALE_2G,
+			  strlen(buf) < strlen(KXSD9_SCALE_2G)
+			  ? strlen(buf) : strlen(KXSD9_SCALE_2G)))
 		val = KXSD9_FS_2;
-		break;
-	default:
+	else
 		return -EINVAL;
-	}
+
 	mutex_lock(&st->buf_lock);
 	st->tx[0] = KXSD9_READ(KXSD9_REG_CTRL_C);
 	st->tx[1] = 0;
@@ -182,6 +185,7 @@ error_ret:
 	mutex_unlock(&st->buf_lock);
 	return ret ? ret : len;
 }
+
 static ssize_t kxsd9_read_accel(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
@@ -227,17 +231,27 @@ error_ret:
 static IIO_DEV_ATTR_ACCEL_X(kxsd9_read_accel, KXSD9_REG_X);
 static IIO_DEV_ATTR_ACCEL_Y(kxsd9_read_accel, KXSD9_REG_Y);
 static IIO_DEV_ATTR_ACCEL_Z(kxsd9_read_accel, KXSD9_REG_Z);
-static IIO_DEV_ATTR_ADC(0, kxsd9_read_accel, KXSD9_REG_AUX);
-static IIO_DEV_ATTR_ACCEL_SET_RANGE(S_IRUGO | S_IWUSR,
-				    kxsd9_read_accel_range,
-				    kxsd9_write_accel_range);
+static IIO_DEV_ATTR_IN_RAW(0, kxsd9_read_accel, KXSD9_REG_AUX);
+
+static IIO_DEVICE_ATTR(accel_scale,
+		S_IRUGO | S_IWUSR,
+		kxsd9_read_scale,
+		kxsd9_write_scale,
+		0);
+
+static IIO_CONST_ATTR(accel_scale_available,
+		KXSD9_SCALE_2G " "
+		KXSD9_SCALE_4G " "
+		KXSD9_SCALE_6G " "
+		KXSD9_SCALE_8G);
 
 static struct attribute *kxsd9_attributes[] = {
-	&iio_dev_attr_accel_x.dev_attr.attr,
-	&iio_dev_attr_accel_y.dev_attr.attr,
-	&iio_dev_attr_accel_z.dev_attr.attr,
-	&iio_dev_attr_adc_0.dev_attr.attr,
-	&iio_dev_attr_accel_range.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_raw.dev_attr.attr,
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_dev_attr_accel_scale.dev_attr.attr,
+	&iio_const_attr_accel_scale_available.dev_attr.attr,
 	NULL,
 };
 
diff --git a/drivers/staging/iio/accel/lis3l02dq.h b/drivers/staging/iio/accel/lis3l02dq.h
index 91a5375408c..e76a97937a3 100644
--- a/drivers/staging/iio/accel/lis3l02dq.h
+++ b/drivers/staging/iio/accel/lis3l02dq.h
@@ -179,10 +179,6 @@ int lis3l02dq_spi_read_reg_8(struct device *dev,
 int lis3l02dq_spi_write_reg_8(struct device *dev,
 			      u8 reg_address,
 			      u8 *val);
-#define LIS3L02DQ_SCAN_ACC_X 0
-#define LIS3L02DQ_SCAN_ACC_Y 1
-#define LIS3L02DQ_SCAN_ACC_Z 2
-
 
 #ifdef CONFIG_IIO_RING_BUFFER
 /* At the moment triggers are only used for ring buffer
diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c
index ea76902797b..6b5577d7d8d 100644
--- a/drivers/staging/iio/accel/lis3l02dq_core.c
+++ b/drivers/staging/iio/accel/lis3l02dq_core.c
@@ -458,41 +458,39 @@ err_ret:
 	return ret;
 }
 
-static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO,
-				   lis3l02dq_read_signed,
-				   lis3l02dq_write_signed,
-				   LIS3L02DQ_REG_OFFSET_X_ADDR);
+#define LIS3L02DQ_SIGNED_ATTR(name, reg)	\
+	IIO_DEVICE_ATTR(name,			\
+			S_IWUSR | S_IRUGO,	\
+			lis3l02dq_read_signed,	\
+			lis3l02dq_write_signed, \
+			reg);
 
-static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO,
-				   lis3l02dq_read_signed,
-				   lis3l02dq_write_signed,
-				   LIS3L02DQ_REG_OFFSET_Y_ADDR);
+#define LIS3L02DQ_UNSIGNED_ATTR(name, reg)		\
+	IIO_DEVICE_ATTR(name,				\
+			S_IWUSR | S_IRUGO,		\
+			lis3l02dq_read_unsigned,	\
+			lis3l02dq_write_unsigned,	\
+			reg);
 
-static IIO_DEV_ATTR_ACCEL_Z_OFFSET(S_IWUSR | S_IRUGO,
-				   lis3l02dq_read_signed,
-				   lis3l02dq_write_signed,
-				   LIS3L02DQ_REG_OFFSET_Z_ADDR);
+static LIS3L02DQ_SIGNED_ATTR(accel_x_calibbias,
+			     LIS3L02DQ_REG_OFFSET_X_ADDR);
+static LIS3L02DQ_SIGNED_ATTR(accel_y_calibbias,
+			     LIS3L02DQ_REG_OFFSET_Y_ADDR);
+static LIS3L02DQ_SIGNED_ATTR(accel_z_calibbias,
+			     LIS3L02DQ_REG_OFFSET_Z_ADDR);
 
-static IIO_DEV_ATTR_ACCEL_X_GAIN(S_IWUSR | S_IRUGO,
-				 lis3l02dq_read_unsigned,
-				 lis3l02dq_write_unsigned,
-				 LIS3L02DQ_REG_GAIN_X_ADDR);
-
-static IIO_DEV_ATTR_ACCEL_Y_GAIN(S_IWUSR | S_IRUGO,
-				 lis3l02dq_read_unsigned,
-				 lis3l02dq_write_unsigned,
-				 LIS3L02DQ_REG_GAIN_Y_ADDR);
-
-static IIO_DEV_ATTR_ACCEL_Z_GAIN(S_IWUSR | S_IRUGO,
-				 lis3l02dq_read_unsigned,
-				 lis3l02dq_write_unsigned,
-				 LIS3L02DQ_REG_GAIN_Z_ADDR);
-
-static IIO_DEV_ATTR_ACCEL_THRESH(S_IWUSR | S_IRUGO,
-				 lis3l02dq_read_16bit_signed,
-				 lis3l02dq_write_16bit_signed,
-				 LIS3L02DQ_REG_THS_L_ADDR);
+static LIS3L02DQ_UNSIGNED_ATTR(accel_x_calibscale,
+			       LIS3L02DQ_REG_GAIN_X_ADDR);
+static LIS3L02DQ_UNSIGNED_ATTR(accel_y_calibscale,
+			       LIS3L02DQ_REG_GAIN_Y_ADDR);
+static LIS3L02DQ_UNSIGNED_ATTR(accel_z_calibscale,
+			       LIS3L02DQ_REG_GAIN_Z_ADDR);
 
+static IIO_DEVICE_ATTR(accel_mag_either_rising_value,
+		       S_IWUSR | S_IRUGO,
+		       lis3l02dq_read_16bit_signed,
+		       lis3l02dq_write_16bit_signed,
+		       LIS3L02DQ_REG_THS_L_ADDR);
 /* RFC The reading method for these will change depending on whether
  * ring buffer capture is in use. Is it worth making these take two
  * functions and let the core handle which to call, or leave as in this
@@ -512,7 +510,7 @@ static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
 			      lis3l02dq_read_frequency,
 			      lis3l02dq_write_frequency);
 
-static IIO_CONST_ATTR_AVAIL_SAMP_FREQ("280 560 1120 4480");
+static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("280 560 1120 4480");
 
 static ssize_t lis3l02dq_read_interrupt_config(struct device *dev,
 					       struct device_attribute *attr,
@@ -522,7 +520,7 @@ static ssize_t lis3l02dq_read_interrupt_config(struct device *dev,
 	s8 val;
 	struct iio_event_attr *this_attr = to_iio_event_attr(attr);
 
-	ret = lis3l02dq_spi_read_reg_8(dev,
+	ret = lis3l02dq_spi_read_reg_8(dev->parent,
 				       LIS3L02DQ_REG_WAKE_UP_CFG_ADDR,
 				       (u8 *)&val);
 
@@ -545,7 +543,7 @@ static ssize_t lis3l02dq_write_interrupt_config(struct device *dev,
 
 	mutex_lock(&indio_dev->mlock);
 	/* read current value */
-	ret = lis3l02dq_spi_read_reg_8(dev,
+	ret = lis3l02dq_spi_read_reg_8(dev->parent,
 				       LIS3L02DQ_REG_WAKE_UP_CFG_ADDR,
 				       &valold);
 	if (ret)
@@ -618,7 +616,7 @@ static int lis3l02dq_thresh_handler_th(struct iio_dev *dev_info,
 static void lis3l02dq_thresh_handler_bh_no_check(struct work_struct *work_s)
 {
 	struct iio_work_cont *wc
-		= container_of(work_s, struct iio_work_cont, ws_nocheck);
+		= container_of(work_s, struct iio_work_cont, ws);
 	struct lis3l02dq_state *st = wc->st;
 	u8 t;
 
@@ -668,43 +666,51 @@ static void lis3l02dq_thresh_handler_bh_no_check(struct work_struct *work_s)
 /* A shared handler for a number of threshold types */
 IIO_EVENT_SH(threshold, &lis3l02dq_thresh_handler_th);
 
-IIO_EVENT_ATTR_ACCEL_X_HIGH_SH(iio_event_threshold,
-			       lis3l02dq_read_interrupt_config,
-			       lis3l02dq_write_interrupt_config,
-			       LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_X_HIGH);
+IIO_EVENT_ATTR_SH(accel_x_mag_pos_rising_en,
+		  iio_event_threshold,
+		  lis3l02dq_read_interrupt_config,
+		  lis3l02dq_write_interrupt_config,
+		  LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_X_HIGH);
 
-IIO_EVENT_ATTR_ACCEL_Y_HIGH_SH(iio_event_threshold,
-			       lis3l02dq_read_interrupt_config,
-			       lis3l02dq_write_interrupt_config,
-			       LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Y_HIGH);
+IIO_EVENT_ATTR_SH(accel_y_mag_pos_rising_en,
+		  iio_event_threshold,
+		  lis3l02dq_read_interrupt_config,
+		  lis3l02dq_write_interrupt_config,
+		  LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Y_HIGH);
 
-IIO_EVENT_ATTR_ACCEL_Z_HIGH_SH(iio_event_threshold,
-			       lis3l02dq_read_interrupt_config,
-			       lis3l02dq_write_interrupt_config,
-			       LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Z_HIGH);
+IIO_EVENT_ATTR_SH(accel_z_mag_pos_rising_en,
+		  iio_event_threshold,
+		  lis3l02dq_read_interrupt_config,
+		  lis3l02dq_write_interrupt_config,
+		  LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Z_HIGH);
 
-IIO_EVENT_ATTR_ACCEL_X_LOW_SH(iio_event_threshold,
-			      lis3l02dq_read_interrupt_config,
-			      lis3l02dq_write_interrupt_config,
-			      LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_X_LOW);
+IIO_EVENT_ATTR_SH(accel_x_mag_neg_rising_en,
+		  iio_event_threshold,
+		  lis3l02dq_read_interrupt_config,
+		  lis3l02dq_write_interrupt_config,
+		  LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_X_LOW);
 
-IIO_EVENT_ATTR_ACCEL_Y_LOW_SH(iio_event_threshold,
-			      lis3l02dq_read_interrupt_config,
-			      lis3l02dq_write_interrupt_config,
-			      LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Y_LOW);
+IIO_EVENT_ATTR_SH(accel_y_mag_neg_rising_en,
+		  iio_event_threshold,
+		  lis3l02dq_read_interrupt_config,
+		  lis3l02dq_write_interrupt_config,
+		  LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Y_LOW);
+
+IIO_EVENT_ATTR_SH(accel_z_mag_neg_rising_en,
+		  iio_event_threshold,
+		  lis3l02dq_read_interrupt_config,
+		  lis3l02dq_write_interrupt_config,
+		  LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Z_LOW);
 
-IIO_EVENT_ATTR_ACCEL_Z_LOW_SH(iio_event_threshold,
-			      lis3l02dq_read_interrupt_config,
-			      lis3l02dq_write_interrupt_config,
-			      LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Z_LOW);
 
 static struct attribute *lis3l02dq_event_attributes[] = {
-	&iio_event_attr_accel_x_high.dev_attr.attr,
-	&iio_event_attr_accel_y_high.dev_attr.attr,
-	&iio_event_attr_accel_z_high.dev_attr.attr,
-	&iio_event_attr_accel_x_low.dev_attr.attr,
-	&iio_event_attr_accel_y_low.dev_attr.attr,
-	&iio_event_attr_accel_z_low.dev_attr.attr,
+	&iio_event_attr_accel_x_mag_pos_rising_en.dev_attr.attr,
+	&iio_event_attr_accel_y_mag_pos_rising_en.dev_attr.attr,
+	&iio_event_attr_accel_z_mag_pos_rising_en.dev_attr.attr,
+	&iio_event_attr_accel_x_mag_neg_rising_en.dev_attr.attr,
+	&iio_event_attr_accel_y_mag_neg_rising_en.dev_attr.attr,
+	&iio_event_attr_accel_z_mag_neg_rising_en.dev_attr.attr,
+	&iio_dev_attr_accel_mag_either_rising_value.dev_attr.attr,
 	NULL
 };
 
@@ -713,20 +719,21 @@ static struct attribute_group lis3l02dq_event_attribute_group = {
 };
 
 static IIO_CONST_ATTR(name, "lis3l02dq");
+static IIO_CONST_ATTR(accel_scale, "0.00958");
 
 static struct attribute *lis3l02dq_attributes[] = {
-	&iio_dev_attr_accel_x_offset.dev_attr.attr,
-	&iio_dev_attr_accel_y_offset.dev_attr.attr,
-	&iio_dev_attr_accel_z_offset.dev_attr.attr,
-	&iio_dev_attr_accel_x_gain.dev_attr.attr,
-	&iio_dev_attr_accel_y_gain.dev_attr.attr,
-	&iio_dev_attr_accel_z_gain.dev_attr.attr,
-	&iio_dev_attr_thresh.dev_attr.attr,
-	&iio_dev_attr_accel_x.dev_attr.attr,
-	&iio_dev_attr_accel_y.dev_attr.attr,
-	&iio_dev_attr_accel_z.dev_attr.attr,
+	&iio_dev_attr_accel_x_calibbias.dev_attr.attr,
+	&iio_dev_attr_accel_y_calibbias.dev_attr.attr,
+	&iio_dev_attr_accel_z_calibbias.dev_attr.attr,
+	&iio_dev_attr_accel_x_calibscale.dev_attr.attr,
+	&iio_dev_attr_accel_y_calibscale.dev_attr.attr,
+	&iio_dev_attr_accel_z_calibscale.dev_attr.attr,
+	&iio_const_attr_accel_scale.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_raw.dev_attr.attr,
 	&iio_dev_attr_sampling_frequency.dev_attr.attr,
-	&iio_const_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_const_attr_sampling_frequency_available.dev_attr.attr,
 	&iio_const_attr_name.dev_attr.attr,
 	NULL
 };
diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 93712430e57..bba4b0925ac 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -75,16 +75,16 @@ error_ret:
 	return ret;
 
 }
-static IIO_SCAN_EL_C(accel_x, LIS3L02DQ_SCAN_ACC_X, IIO_SIGNED(16),
+static IIO_SCAN_EL_C(accel_x, 0, IIO_SIGNED(16),
 		     LIS3L02DQ_REG_OUT_X_L_ADDR,
 		     &lis3l02dq_scan_el_set_state);
-static IIO_SCAN_EL_C(accel_y, LIS3L02DQ_SCAN_ACC_Y, IIO_SIGNED(16),
+static IIO_SCAN_EL_C(accel_y, 1, IIO_SIGNED(16),
 		     LIS3L02DQ_REG_OUT_Y_L_ADDR,
 		     &lis3l02dq_scan_el_set_state);
-static IIO_SCAN_EL_C(accel_z, LIS3L02DQ_SCAN_ACC_Z, IIO_SIGNED(16),
+static IIO_SCAN_EL_C(accel_z, 2, IIO_SIGNED(16),
 		     LIS3L02DQ_REG_OUT_Z_L_ADDR,
 		     &lis3l02dq_scan_el_set_state);
-static IIO_SCAN_EL_TIMESTAMP;
+static IIO_SCAN_EL_TIMESTAMP(3);
 
 static struct attribute *lis3l02dq_scan_el_attrs[] = {
 	&iio_scan_el_accel_x.dev_attr.attr,
diff --git a/drivers/staging/iio/accel/sca3000.h b/drivers/staging/iio/accel/sca3000.h
index da7d3cb5ae7..e5321999b26 100644
--- a/drivers/staging/iio/accel/sca3000.h
+++ b/drivers/staging/iio/accel/sca3000.h
@@ -187,6 +187,7 @@ struct sca3000_state {
 /**
  * struct sca3000_chip_info - model dependant parameters
  * @name: 			model identification
+ * @scale:			string containing floating point scale factor
  * @temp_output:		some devices have temperature sensors.
  * @measurement_mode_freq:	normal mode sampling frequency
  * @option_mode_1:		first optional mode. Not all models have one
@@ -199,6 +200,7 @@ struct sca3000_state {
  **/
 struct sca3000_chip_info {
 	const char		*name;
+	const char		*scale;
 	bool			temp_output;
 	int			measurement_mode_freq;
 	int			option_mode_1;
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index 1c229869a22..45e47776d91 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -27,11 +27,9 @@
 
 enum sca3000_variant {
 	d01,
-	d03,
 	e02,
 	e04,
 	e05,
-	l01,
 };
 
 /* Note where option modes are not defined, the chip simply does not
@@ -44,21 +42,20 @@ enum sca3000_variant {
 static const struct sca3000_chip_info sca3000_spi_chip_info_tbl[] = {
 	{
 		.name = "sca3000-d01",
+		.scale = " 0.0073575",
 		.temp_output = true,
 		.measurement_mode_freq = 250,
 		.option_mode_1 = SCA3000_OP_MODE_BYPASS,
 		.option_mode_1_freq = 250,
-	}, {
-		/* No data sheet available - may be the same as the 3100-d03?*/
-		.name = "sca3000-d03",
-		.temp_output = true,
 	}, {
 		.name = "sca3000-e02",
+		.scale = "0.00981",
 		.measurement_mode_freq = 125,
 		.option_mode_1 = SCA3000_OP_MODE_NARROW,
 		.option_mode_1_freq = 63,
 	}, {
 		.name = "sca3000-e04",
+		.scale = "0.01962",
 		.measurement_mode_freq = 100,
 		.option_mode_1 = SCA3000_OP_MODE_NARROW,
 		.option_mode_1_freq = 50,
@@ -66,18 +63,12 @@ static const struct sca3000_chip_info sca3000_spi_chip_info_tbl[] = {
 		.option_mode_2_freq = 400,
 	}, {
 		.name = "sca3000-e05",
+		.scale = "0.0613125",
 		.measurement_mode_freq = 200,
 		.option_mode_1 = SCA3000_OP_MODE_NARROW,
 		.option_mode_1_freq = 50,
 		.option_mode_2 = SCA3000_OP_MODE_WIDE,
 		.option_mode_2_freq = 400,
-	}, {
-		/* No data sheet available.
-		 * Frequencies are unknown.
-		 */
-		.name = "sca3000-l01",
-		.temp_output = true,
-		.option_mode_1 = SCA3000_OP_MODE_BYPASS,
 	},
 };
 
@@ -327,6 +318,14 @@ error_ret:
 	return ret ? ret : len;
 }
 
+static ssize_t sca3000_show_scale(struct device *dev,
+				  struct device_attribute *attr,
+				  char *buf)
+{
+	struct iio_dev *dev_info = dev_get_drvdata(dev);
+	struct sca3000_state *st = dev_info->dev_data;
+	return sprintf(buf, "%s\n", st->info->scale);
+}
 
 static ssize_t sca3000_show_name(struct device *dev,
 				 struct device_attribute *attr,
@@ -495,7 +494,7 @@ error_ret:
 /* Not even vaguely standard attributes so defined here rather than
  * in the relevant IIO core headers
  */
-static IIO_DEVICE_ATTR(available_measurement_modes, S_IRUGO,
+static IIO_DEVICE_ATTR(measurement_mode_available, S_IRUGO,
 		       sca3000_show_available_measurement_modes,
 		       NULL, 0);
 
@@ -508,6 +507,8 @@ static IIO_DEVICE_ATTR(measurement_mode, S_IRUGO | S_IWUSR,
 
 static IIO_DEV_ATTR_NAME(sca3000_show_name);
 static IIO_DEV_ATTR_REV(sca3000_show_rev);
+static IIO_DEVICE_ATTR(accel_scale, S_IRUGO, sca3000_show_scale,
+		       NULL, 0);
 
 static IIO_DEV_ATTR_ACCEL_X(sca3000_read_13bit_signed,
 			    SCA3000_REG_ADDR_X_MSB);
@@ -683,7 +684,7 @@ error_free_lock:
 /* Should only really be registered if ring buffer support is compiled in.
  * Does no harm however and doing it right would add a fair bit of complexity
  */
-static IIO_DEV_ATTR_AVAIL_SAMP_FREQ(sca3000_read_av_freq);
+static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(sca3000_read_av_freq);
 
 static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
 			      sca3000_read_frequency,
@@ -718,7 +719,10 @@ static ssize_t sca3000_read_temp(struct device *dev,
 error_ret:
 	return ret;
 }
-static IIO_DEV_ATTR_TEMP(sca3000_read_temp);
+static IIO_DEV_ATTR_TEMP_RAW(sca3000_read_temp);
+
+static IIO_CONST_ATTR(temp_scale, "0.555556");
+static IIO_CONST_ATTR(temp_offset, "-214.6");
 
 /**
  * sca3000_show_thresh() sysfs query of a threshold
@@ -770,31 +774,34 @@ static ssize_t sca3000_write_thresh(struct device *dev,
 	return ret ? ret : len;
 }
 
-static IIO_DEV_ATTR_ACCEL_THRESH_X(S_IRUGO | S_IWUSR,
-				   sca3000_show_thresh,
-				   sca3000_write_thresh,
-				   SCA3000_REG_CTRL_SEL_MD_X_TH);
-static IIO_DEV_ATTR_ACCEL_THRESH_Y(S_IRUGO | S_IWUSR,
-				   sca3000_show_thresh,
-				   sca3000_write_thresh,
-				   SCA3000_REG_CTRL_SEL_MD_Y_TH);
-static IIO_DEV_ATTR_ACCEL_THRESH_Z(S_IRUGO | S_IWUSR,
-				   sca3000_show_thresh,
-				   sca3000_write_thresh,
-				   SCA3000_REG_CTRL_SEL_MD_Z_TH);
+static IIO_DEVICE_ATTR(accel_x_mag_either_rising_value,
+		S_IRUGO | S_IWUSR,
+		sca3000_show_thresh,
+		sca3000_write_thresh,
+		SCA3000_REG_CTRL_SEL_MD_X_TH);
+
+static IIO_DEVICE_ATTR(accel_y_mag_either_rising_value,
+		S_IRUGO | S_IWUSR,
+		sca3000_show_thresh,
+		sca3000_write_thresh,
+		SCA3000_REG_CTRL_SEL_MD_Y_TH);
+
+static IIO_DEVICE_ATTR(accel_z_mag_either_rising_value,
+		S_IRUGO | S_IWUSR,
+		sca3000_show_thresh,
+		sca3000_write_thresh,
+		SCA3000_REG_CTRL_SEL_MD_Z_TH);
 
 static struct attribute *sca3000_attributes[] = {
 	&iio_dev_attr_name.dev_attr.attr,
 	&iio_dev_attr_revision.dev_attr.attr,
-	&iio_dev_attr_accel_x.dev_attr.attr,
-	&iio_dev_attr_accel_y.dev_attr.attr,
-	&iio_dev_attr_accel_z.dev_attr.attr,
-	&iio_dev_attr_thresh_accel_x.dev_attr.attr,
-	&iio_dev_attr_thresh_accel_y.dev_attr.attr,
-	&iio_dev_attr_thresh_accel_z.dev_attr.attr,
-	&iio_dev_attr_available_measurement_modes.dev_attr.attr,
+	&iio_dev_attr_accel_scale.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_raw.dev_attr.attr,
+	&iio_dev_attr_measurement_mode_available.dev_attr.attr,
 	&iio_dev_attr_measurement_mode.dev_attr.attr,
-	&iio_dev_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
 	&iio_dev_attr_sampling_frequency.dev_attr.attr,
 	NULL,
 };
@@ -802,18 +809,18 @@ static struct attribute *sca3000_attributes[] = {
 static struct attribute *sca3000_attributes_with_temp[] = {
 	&iio_dev_attr_name.dev_attr.attr,
 	&iio_dev_attr_revision.dev_attr.attr,
-	&iio_dev_attr_accel_x.dev_attr.attr,
-	&iio_dev_attr_accel_y.dev_attr.attr,
-	&iio_dev_attr_accel_z.dev_attr.attr,
-	&iio_dev_attr_thresh_accel_x.dev_attr.attr,
-	&iio_dev_attr_thresh_accel_y.dev_attr.attr,
-	&iio_dev_attr_thresh_accel_z.dev_attr.attr,
-	&iio_dev_attr_available_measurement_modes.dev_attr.attr,
+	&iio_dev_attr_accel_scale.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_raw.dev_attr.attr,
+	&iio_dev_attr_measurement_mode_available.dev_attr.attr,
 	&iio_dev_attr_measurement_mode.dev_attr.attr,
-	&iio_dev_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
 	&iio_dev_attr_sampling_frequency.dev_attr.attr,
 	/* Only present if temp sensor is */
-	&iio_dev_attr_temp.dev_attr.attr,
+	&iio_dev_attr_temp_raw.dev_attr.attr,
+	&iio_const_attr_temp_offset.dev_attr.attr,
+	&iio_const_attr_temp_scale.dev_attr.attr,
 	NULL,
 };
 
@@ -910,7 +917,7 @@ static ssize_t sca3000_query_mo_det(struct device *dev,
 				    struct device_attribute *attr,
 				    char *buf)
 {
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev->parent);
 	struct sca3000_state *st = indio_dev->dev_data;
 	struct iio_event_attr *this_attr = to_iio_event_attr(attr);
 	int ret, len = 0;
@@ -975,7 +982,7 @@ static ssize_t sca3000_query_ring_int(struct device *dev,
 	struct iio_event_attr *this_attr = to_iio_event_attr(attr);
 	int ret, len;
 	u8 *rx;
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev->parent);
 	struct sca3000_state *st = indio_dev->dev_data;
 	mutex_lock(&st->lock);
 	ret = sca3000_read_data(st, SCA3000_REG_ADDR_INT_MASK, &rx, 1);
@@ -995,7 +1002,7 @@ static ssize_t sca3000_set_ring_int(struct device *dev,
 				      const char *buf,
 				      size_t len)
 {
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev->parent);
 	struct sca3000_state *st = indio_dev->dev_data;
 	struct iio_event_attr *this_attr = to_iio_event_attr(attr);
 
@@ -1085,7 +1092,7 @@ static ssize_t sca3000_set_mo_det(struct device *dev,
 				  const char *buf,
 				  size_t len)
 {
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev->parent);
 	struct sca3000_state *st = indio_dev->dev_data;
 	struct iio_event_attr *this_attr = to_iio_event_attr(attr);
 	long val;
@@ -1155,20 +1162,23 @@ IIO_EVENT_ATTR_FREE_FALL_DETECT_SH(iio_event_all,
 				   0)
 
 /* Motion detector related event attributes */
-IIO_EVENT_ATTR_ACCEL_X_HIGH_SH(iio_event_all,
-			       sca3000_query_mo_det,
-			       sca3000_set_mo_det,
-			       SCA3000_MD_CTRL_OR_X);
+IIO_EVENT_ATTR_SH(accel_x_mag_either_rising_en,
+		  iio_event_all,
+		  sca3000_query_mo_det,
+		  sca3000_set_mo_det,
+		  SCA3000_MD_CTRL_OR_X);
 
-IIO_EVENT_ATTR_ACCEL_Y_HIGH_SH(iio_event_all,
-			       sca3000_query_mo_det,
-			       sca3000_set_mo_det,
-			       SCA3000_MD_CTRL_OR_Y);
+IIO_EVENT_ATTR_SH(accel_y_mag_either_rising_en,
+		  iio_event_all,
+		  sca3000_query_mo_det,
+		  sca3000_set_mo_det,
+		  SCA3000_MD_CTRL_OR_Y);
 
-IIO_EVENT_ATTR_ACCEL_Z_HIGH_SH(iio_event_all,
-			       sca3000_query_mo_det,
-			       sca3000_set_mo_det,
-			       SCA3000_MD_CTRL_OR_Z);
+IIO_EVENT_ATTR_SH(accel_z_mag_either_rising_en,
+		  iio_event_all,
+		  sca3000_query_mo_det,
+		  sca3000_set_mo_det,
+		  SCA3000_MD_CTRL_OR_Z);
 
 /* Hardware ring buffer related event attributes */
 IIO_EVENT_ATTR_RING_50_FULL_SH(iio_event_all,
@@ -1183,11 +1193,14 @@ IIO_EVENT_ATTR_RING_75_FULL_SH(iio_event_all,
 
 static struct attribute *sca3000_event_attributes[] = {
 	&iio_event_attr_free_fall.dev_attr.attr,
-	&iio_event_attr_accel_x_high.dev_attr.attr,
-	&iio_event_attr_accel_y_high.dev_attr.attr,
-	&iio_event_attr_accel_z_high.dev_attr.attr,
+	&iio_event_attr_accel_x_mag_either_rising_en.dev_attr.attr,
+	&iio_event_attr_accel_y_mag_either_rising_en.dev_attr.attr,
+	&iio_event_attr_accel_z_mag_either_rising_en.dev_attr.attr,
 	&iio_event_attr_ring_50_full.dev_attr.attr,
 	&iio_event_attr_ring_75_full.dev_attr.attr,
+	&iio_dev_attr_accel_x_mag_either_rising_value.dev_attr.attr,
+	&iio_dev_attr_accel_y_mag_either_rising_value.dev_attr.attr,
+	&iio_dev_attr_accel_z_mag_either_rising_value.dev_attr.attr,
 	NULL,
 };
 
@@ -1344,9 +1357,10 @@ static int __devinit __sca3000_probe(struct spi_device *spi,
 		 * is overkill.  At very least a simpler registration method
 		 * might be worthwhile.
 		 */
-		iio_add_event_to_list(iio_event_attr_accel_z_high.listel,
-					    &st->indio_dev
-					    ->interrupts[0]->ev_list);
+		iio_add_event_to_list(
+			iio_event_attr_accel_z_mag_either_rising_en.listel,
+			&st->indio_dev
+			->interrupts[0]->ev_list);
 	}
 	sca3000_register_ring_funcs(st->indio_dev);
 	ret = sca3000_clean_setup(st);
@@ -1437,9 +1451,6 @@ static int sca3000_remove(struct spi_device *spi)
 SCA3000_VARIANT_PROBE(d01);
 static SCA3000_VARIANT_SPI_DRIVER(d01);
 
-SCA3000_VARIANT_PROBE(d03);
-static SCA3000_VARIANT_SPI_DRIVER(d03);
-
 SCA3000_VARIANT_PROBE(e02);
 static SCA3000_VARIANT_SPI_DRIVER(e02);
 
@@ -1449,9 +1460,6 @@ static SCA3000_VARIANT_SPI_DRIVER(e04);
 SCA3000_VARIANT_PROBE(e05);
 static SCA3000_VARIANT_SPI_DRIVER(e05);
 
-SCA3000_VARIANT_PROBE(l01);
-static SCA3000_VARIANT_SPI_DRIVER(l01);
-
 static __init int sca3000_init(void)
 {
 	int ret;
@@ -1459,32 +1467,22 @@ static __init int sca3000_init(void)
 	ret = spi_register_driver(&sca3000_d01_driver);
 	if (ret)
 		goto error_ret;
-	ret = spi_register_driver(&sca3000_d03_driver);
-	if (ret)
-		goto error_unreg_d01;
 	ret = spi_register_driver(&sca3000_e02_driver);
 	if (ret)
-		goto error_unreg_d03;
+		goto error_unreg_d01;
 	ret = spi_register_driver(&sca3000_e04_driver);
 	if (ret)
 		goto error_unreg_e02;
 	ret = spi_register_driver(&sca3000_e05_driver);
 	if (ret)
 		goto error_unreg_e04;
-	ret = spi_register_driver(&sca3000_l01_driver);
-	if (ret)
-		goto error_unreg_e05;
 
 	return 0;
 
-error_unreg_e05:
-	spi_unregister_driver(&sca3000_e05_driver);
 error_unreg_e04:
 	spi_unregister_driver(&sca3000_e04_driver);
 error_unreg_e02:
 	spi_unregister_driver(&sca3000_e02_driver);
-error_unreg_d03:
-	spi_unregister_driver(&sca3000_d03_driver);
 error_unreg_d01:
 	spi_unregister_driver(&sca3000_d01_driver);
 error_ret:
@@ -1494,11 +1492,9 @@ error_ret:
 
 static __exit void sca3000_exit(void)
 {
-	spi_unregister_driver(&sca3000_l01_driver);
 	spi_unregister_driver(&sca3000_e05_driver);
 	spi_unregister_driver(&sca3000_e04_driver);
 	spi_unregister_driver(&sca3000_e02_driver);
-	spi_unregister_driver(&sca3000_d03_driver);
 	spi_unregister_driver(&sca3000_d01_driver);
 }
 
diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c
index 40cbab2a659..2b39e6f6c26 100644
--- a/drivers/staging/iio/accel/sca3000_ring.c
+++ b/drivers/staging/iio/accel/sca3000_ring.c
@@ -186,11 +186,29 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
 	return ret ? ret : len;
 }
 
-static IIO_CONST_ATTR(bpse_available, "8 11");
+static IIO_SCAN_EL_C(accel_x, 0, 0, 0, 0);
+static IIO_SCAN_EL_C(accel_y, 1, 0, 0, 0);
+static IIO_SCAN_EL_C(accel_z, 2, 0, 0, 0);
+static IIO_CONST_ATTR(accel_precision_available, "8 11");
+static IIO_DEVICE_ATTR(accel_precision,
+		       S_IRUGO | S_IWUSR,
+		       sca3000_show_ring_bpse,
+		       sca3000_store_ring_bpse,
+		       0);
 
-static IIO_DEV_ATTR_BPSE(S_IRUGO | S_IWUSR,
-			      sca3000_show_ring_bpse,
-			      sca3000_store_ring_bpse);
+static struct attribute *sca3000_scan_el_attrs[] = {
+	&iio_scan_el_accel_x.dev_attr.attr,
+	&iio_scan_el_accel_y.dev_attr.attr,
+	&iio_scan_el_accel_z.dev_attr.attr,
+	&iio_const_attr_accel_precision_available.dev_attr.attr,
+	&iio_dev_attr_accel_precision.dev_attr.attr,
+	NULL
+};
+
+static struct attribute_group sca3000_scan_el_group = {
+	.attrs = sca3000_scan_el_attrs,
+	.name = "scan_elements",
+};
 
 /*
  * Ring buffer attributes
@@ -198,17 +216,15 @@ static IIO_DEV_ATTR_BPSE(S_IRUGO | S_IWUSR,
  * only apply to the ring buffer.  At all times full rate and accuracy
  * is available via direct reading from registers.
  */
-static struct attribute *iio_ring_attributes[] = {
+static struct attribute *sca3000_ring_attributes[] = {
 	&dev_attr_length.attr,
 	&dev_attr_bps.attr,
 	&dev_attr_ring_enable.attr,
-	&iio_dev_attr_bpse.dev_attr.attr,
-	&iio_const_attr_bpse_available.dev_attr.attr,
 	NULL,
 };
 
 static struct attribute_group sca3000_ring_attr = {
-	.attrs = iio_ring_attributes,
+	.attrs = sca3000_ring_attributes,
 };
 
 static const struct attribute_group *sca3000_ring_attr_groups[] = {
@@ -248,6 +264,7 @@ static inline void sca3000_rb_free(struct iio_ring_buffer *r)
 
 int sca3000_configure_ring(struct iio_dev *indio_dev)
 {
+	indio_dev->scan_el_attrs = &sca3000_scan_el_group;
 	indio_dev->ring = sca3000_rb_allocate(indio_dev);
 	if (indio_dev->ring == NULL)
 		return -ENOMEM;
diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h
index 75e0fc078d6..c482074dead 100644
--- a/drivers/staging/iio/ring_generic.h
+++ b/drivers/staging/iio/ring_generic.h
@@ -248,9 +248,9 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
  *
  * Odd one out. Handled slightly differently from other scan elements.
  **/
-#define IIO_SCAN_EL_TIMESTAMP					\
+#define IIO_SCAN_EL_TIMESTAMP(number)				\
 	struct iio_scan_el iio_scan_el_timestamp = {		\
-		.dev_attr = __ATTR(scan_en_timestamp,		\
+		.dev_attr = __ATTR(number##_timestamp_en,	\
 				   S_IRUGO | S_IWUSR,		\
 				   iio_scan_el_ts_show,		\
 				   iio_scan_el_ts_store),	\

From e5c003ae82865c43feca9e11fb291ec2304a63d1 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:42:59 +0100
Subject: [PATCH 1130/3638] staging:iio: Support functions for scan mask
 matching

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/iio.h | 45 +++++++++++++++++++++++++++++++++++----
 1 file changed, 41 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
index 71dbfe12b57..a12072a93cd 100644
--- a/drivers/staging/iio/iio.h
+++ b/drivers/staging/iio/iio.h
@@ -96,6 +96,7 @@ void iio_remove_event_from_list(struct iio_event_handler_list *el,
  *			control method is used
  * @scan_count:	[INTERN] the number of elements in the current scan mode
  * @scan_mask:		[INTERN] bitmask used in masking scan mode elements
+ * @available_scan_masks: [DRIVER] optional array of allowed bitmasks
  * @scan_timestamp:	[INTERN] does the scan mode include a timestamp
  * @trig:		[INTERN] current device trigger (ring buffer modes)
  * @pollfunc:		[DRIVER] function run on trigger being recieved
@@ -122,7 +123,8 @@ struct iio_dev {
 	struct attribute_group		*scan_el_attrs;
 	int				scan_count;
 
-	u16				scan_mask;
+	u32				scan_mask;
+	u32				*available_scan_masks;
 	bool				scan_timestamp;
 	struct iio_trigger		*trig;
 	struct iio_poll_func		*pollfunc;
@@ -132,22 +134,57 @@ struct iio_dev {
  * These are mainly provided to allow for a change of implementation if a device
  * has a large number of scan elements
  */
-#define IIO_MAX_SCAN_LENGTH 15
+#define IIO_MAX_SCAN_LENGTH 31
+
+/* note 0 used as error indicator as it doesn't make sense. */
+static inline u32 iio_scan_mask_match(u32 *av_masks, u32 mask)
+{
+	while (*av_masks) {
+		if (!(~*av_masks & mask))
+			return *av_masks;
+		av_masks++;
+	}
+	return 0;
+}
 
 static inline int iio_scan_mask_query(struct iio_dev *dev_info, int bit)
 {
+	u32 mask;
+
 	if (bit > IIO_MAX_SCAN_LENGTH)
 		return -EINVAL;
+
+	if (!dev_info->scan_mask)
+		return 0;
+
+	if (dev_info->available_scan_masks)
+		mask = iio_scan_mask_match(dev_info->available_scan_masks,
+					dev_info->scan_mask);
 	else
-		return !!(dev_info->scan_mask & (1 << bit));
+		mask = dev_info->scan_mask;
+
+	if (!mask)
+		return -EINVAL;
+
+	return !!(mask & (1 << bit));
 };
 
 static inline int iio_scan_mask_set(struct iio_dev *dev_info, int bit)
 {
+	u32 mask;
+	u32 trialmask = dev_info->scan_mask | (1 << bit);
+
 	if (bit > IIO_MAX_SCAN_LENGTH)
 		return -EINVAL;
-	dev_info->scan_mask |= (1 << bit);
+	if (dev_info->available_scan_masks) {
+		mask = iio_scan_mask_match(dev_info->available_scan_masks,
+					trialmask);
+		if (!mask)
+			return -EINVAL;
+	}
+	dev_info->scan_mask = trialmask;
 	dev_info->scan_count++;
+
 	return 0;
 };
 

From 5aaaeba82e00958ecb2c890b4953a249bbde9426 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:00 +0100
Subject: [PATCH 1131/3638] staging: iio: Move from class to bus

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/iio.h                  |  2 +-
 drivers/staging/iio/industrialio-core.c    | 28 +++++++++-------------
 drivers/staging/iio/industrialio-ring.c    |  2 +-
 drivers/staging/iio/industrialio-trigger.c |  2 +-
 drivers/staging/iio/ring_sw.c              |  2 +-
 5 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
index a12072a93cd..fcee47cbe89 100644
--- a/drivers/staging/iio/iio.h
+++ b/drivers/staging/iio/iio.h
@@ -377,7 +377,7 @@ void iio_deallocate_chrdev(struct iio_handler *handler);
 #define IIO_UNSIGNED(a) (a)
 
 extern dev_t iio_devt;
-extern struct class iio_class;
+extern struct bus_type iio_bus_type;
 
 /**
  * iio_put_device() - reference counted deallocation of struct device
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 7c9a12e0e8f..ad830b64c91 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -42,16 +42,10 @@ dev_t iio_devt;
 EXPORT_SYMBOL(iio_devt);
 
 #define IIO_DEV_MAX 256
-static char *iio_devnode(struct device *dev, mode_t *mode)
-{
-	return kasprintf(GFP_KERNEL, "iio/%s", dev_name(dev));
-}
-
-struct class iio_class = {
+struct bus_type iio_bus_type = {
 	.name = "iio",
-	.devnode = iio_devnode,
 };
-EXPORT_SYMBOL(iio_class);
+EXPORT_SYMBOL(iio_bus_type);
 
 void __iio_change_event(struct iio_detected_event_list *ev,
 			int ev_code,
@@ -405,7 +399,7 @@ int iio_setup_ev_int(struct iio_event_interface *ev_int,
 {
 	int ret, minor;
 
-	ev_int->dev.class = &iio_class;
+	ev_int->dev.bus = &iio_bus_type;
 	ev_int->dev.parent = dev;
 	ev_int->dev.type = &iio_event_type;
 	device_initialize(&ev_int->dev);
@@ -478,23 +472,23 @@ static int __init iio_init(void)
 {
 	int ret;
 
-	/* Create sysfs class */
-	ret  = class_register(&iio_class);
+	/* Register sysfs bus */
+	ret  = bus_register(&iio_bus_type);
 	if (ret < 0) {
 		printk(KERN_ERR
-		       "%s could not create sysfs class\n",
+		       "%s could not register bus type\n",
 			__FILE__);
 		goto error_nothing;
 	}
 
 	ret = iio_dev_init();
 	if (ret < 0)
-		goto error_unregister_class;
+		goto error_unregister_bus_type;
 
 	return 0;
 
-error_unregister_class:
-	class_unregister(&iio_class);
+error_unregister_bus_type:
+	bus_unregister(&iio_bus_type);
 error_nothing:
 	return ret;
 }
@@ -502,7 +496,7 @@ error_nothing:
 static void __exit iio_exit(void)
 {
 	iio_dev_exit();
-	class_unregister(&iio_class);
+	bus_unregister(&iio_bus_type);
 }
 
 static int iio_device_register_sysfs(struct iio_dev *dev_info)
@@ -768,7 +762,7 @@ struct iio_dev *iio_allocate_device(void)
 
 	if (dev) {
 		dev->dev.type = &iio_dev_type;
-		dev->dev.class = &iio_class;
+		dev->dev.bus = &iio_bus_type;
 		device_initialize(&dev->dev);
 		dev_set_drvdata(&dev->dev, (void *)dev);
 		mutex_init(&dev->mlock);
diff --git a/drivers/staging/iio/industrialio-ring.c b/drivers/staging/iio/industrialio-ring.c
index 5f48632e425..690df91020e 100644
--- a/drivers/staging/iio/industrialio-ring.c
+++ b/drivers/staging/iio/industrialio-ring.c
@@ -210,7 +210,7 @@ __iio_request_ring_buffer_access_chrdev(struct iio_ring_buffer *buf,
 	buf->access_handler.flags = 0;
 
 	buf->access_dev.parent = &buf->dev;
-	buf->access_dev.class = &iio_class;
+	buf->access_dev.bus = &iio_bus_type;
 	buf->access_dev.type = &iio_ring_access_type;
 	device_initialize(&buf->access_dev);
 
diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c
index 3c8f6ffab58..918b0fd2b83 100644
--- a/drivers/staging/iio/industrialio-trigger.c
+++ b/drivers/staging/iio/industrialio-trigger.c
@@ -365,7 +365,7 @@ struct iio_trigger *iio_allocate_trigger(void)
 	trig = kzalloc(sizeof *trig, GFP_KERNEL);
 	if (trig) {
 		trig->dev.type = &iio_trig_type;
-		trig->dev.class = &iio_class;
+		trig->dev.bus = &iio_bus_type;
 		device_initialize(&trig->dev);
 		dev_set_drvdata(&trig->dev, (void *)trig);
 		spin_lock_init(&trig->pollfunc_list_lock);
diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index e9570e33694..f8de45dc4b6 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -419,7 +419,7 @@ struct iio_ring_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev)
 	buf->dev.type = &iio_sw_ring_type;
 	device_initialize(&buf->dev);
 	buf->dev.parent = &indio_dev->dev;
-	buf->dev.class = &iio_class;
+	buf->dev.bus = &iio_bus_type;
 	dev_set_drvdata(&buf->dev, (void *)buf);
 
 	return buf;

From 5cba220b0a3211befd5514cbd822a97578ef5ed4 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:01 +0100
Subject: [PATCH 1132/3638] staging:iio: Move event attributes into the
 event[n] device in sysfs

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/industrialio-core.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index ad830b64c91..a4ce2215e54 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -676,16 +676,14 @@ static int iio_device_register_eventset(struct iio_dev *dev_info)
 					 dev_info->event_interfaces[i].id);
 			goto error_free_setup_ev_ints;
 		}
-	}
 
-	for (i = 0; i < dev_info->num_interrupt_lines; i++) {
-		snprintf(dev_info->event_interfaces[i]._attrname, 20,
-			"event_line%d_sources", i);
-		dev_info->event_attrs[i].name
-			= (const char *)
-			(dev_info->event_interfaces[i]._attrname);
-		ret = sysfs_create_group(&dev_info->dev.kobj,
-					 &dev_info->event_attrs[i]);
+		dev_set_drvdata(&dev_info->event_interfaces[i].dev,
+				(void *)dev_info);
+		ret = sysfs_create_group(&dev_info
+					->event_interfaces[i]
+					.dev.kobj,
+					&dev_info->event_attrs[i]);
+
 		if (ret) {
 			dev_err(&dev_info->dev,
 				"Failed to register sysfs for event attrs");
@@ -707,13 +705,13 @@ error_unregister_config_attrs:
 	i = dev_info->num_interrupt_lines - 1;
 error_remove_sysfs_interfaces:
 	for (j = 0; j < i; j++)
-		sysfs_remove_group(&dev_info->dev.kobj,
+		sysfs_remove_group(&dev_info
+				   ->event_interfaces[j].dev.kobj,
 				   &dev_info->event_attrs[j]);
-	i = dev_info->num_interrupt_lines - 1;
 error_free_setup_ev_ints:
 	for (j = 0; j < i; j++) {
 		iio_free_idr_val(&iio_event_idr,
-				 dev_info->event_interfaces[i].id);
+				 dev_info->event_interfaces[j].id);
 		iio_free_ev_int(&dev_info->event_interfaces[j]);
 	}
 	kfree(dev_info->interrupts);
@@ -731,7 +729,8 @@ static void iio_device_unregister_eventset(struct iio_dev *dev_info)
 	if (dev_info->num_interrupt_lines == 0)
 		return;
 	for (i = 0; i < dev_info->num_interrupt_lines; i++)
-		sysfs_remove_group(&dev_info->dev.kobj,
+		sysfs_remove_group(&dev_info
+				   ->event_interfaces[i].dev.kobj,
 				   &dev_info->event_attrs[i]);
 
 	for (i = 0; i < dev_info->num_interrupt_lines; i++) {

From 1722762cead933994883fa57464efd45cf892ed7 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:02 +0100
Subject: [PATCH 1133/3638] staging:iio: Clean out unused IIO_SCAN_EL and add
 IIO_SCAN_NAMED_EL_C

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/ring_generic.h | 36 +++++++++++++-----------------
 1 file changed, 15 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h
index c482074dead..d74b5aea011 100644
--- a/drivers/staging/iio/ring_generic.h
+++ b/drivers/staging/iio/ring_generic.h
@@ -196,25 +196,6 @@ ssize_t iio_scan_el_store(struct device *dev, struct device_attribute *attr,
  **/
 ssize_t iio_scan_el_show(struct device *dev, struct device_attribute *attr,
 			 char *buf);
-/**
- * IIO_SCAN_EL - declare and initialize a scan element without control func
- * @_name:	identifying name. Resulting struct is iio_scan_el_##_name,
- *		sysfs element, scan_en_##_name.
- * @_number:	unique id number for the scan element.
- * @_bits:	number of bits in the scan element result (used in mixed bit
- *		length devices).
- * @_label:	indentification variable used by drivers.  Often a reg address.
- **/
-#define IIO_SCAN_EL(_name, _number, _bits, _label)			\
-	struct iio_scan_el iio_scan_el_##_name = {			\
-		.dev_attr = __ATTR(scan_en_##_name,			\
-				   S_IRUGO | S_IWUSR,			\
-				   iio_scan_el_show,			\
-				   iio_scan_el_store),			\
-		.mask = (1 << _number),					\
-		.bit_count = _bits,					\
-		.label = _label,					\
-	}
 
 ssize_t iio_scan_el_ts_store(struct device *dev, struct device_attribute *attr,
 			     const char *buf, size_t len);
@@ -225,7 +206,7 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
  * IIO_SCAN_EL_C - declare and initialize a scan element with a control func
  *
  * @_name:	identifying name. Resulting struct is iio_scan_el_##_name,
- *		sysfs element, scan_en_##_name.
+ *		sysfs element, _name##_en.
  * @_number:	unique id number for the scan element.
  * @_bits:	number of bits in the scan element result (used in mixed bit
  *		length devices).
@@ -234,7 +215,7 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
  **/
 #define IIO_SCAN_EL_C(_name, _number, _bits, _label, _controlfunc)	\
 	struct iio_scan_el iio_scan_el_##_name = {			\
-		.dev_attr = __ATTR(scan_en_##_name,			\
+		.dev_attr = __ATTR(_number##_##_name##_en,		\
 				   S_IRUGO | S_IWUSR,			\
 				   iio_scan_el_show,			\
 				   iio_scan_el_store),			\
@@ -243,6 +224,19 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
 		.label = _label,					\
 		.set_state = _controlfunc,				\
 	}
+
+#define IIO_SCAN_NAMED_EL_C(_name, _string, _number, _bits, _label, _cf) \
+	struct iio_scan_el iio_scan_el_##_name = {			\
+		.dev_attr = __ATTR(_number##_##_string##_en,		\
+				   S_IRUGO | S_IWUSR,			\
+				   iio_scan_el_show,			\
+				   iio_scan_el_store),			\
+		.number =  _number,					\
+		.bit_count = _bits,					\
+		.label = _label,					\
+		.set_state = _cf,					\
+	}
+
 /**
  * IIO_SCAN_EL_TIMESTAMP - declare a special scan element for timestamps
  *

From 82020b0ef15de0cde1082ba0ff427c2f47a9a011 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:03 +0100
Subject: [PATCH 1134/3638] staging:iio:max1363 move to new abi.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/adc/Kconfig        |   1 +
 drivers/staging/iio/adc/Makefile       |   2 +-
 drivers/staging/iio/adc/max1363.h      | 122 ++--
 drivers/staging/iio/adc/max1363_core.c | 750 +++++++++++++++----------
 drivers/staging/iio/adc/max1363_ring.c |  65 ++-
 5 files changed, 542 insertions(+), 398 deletions(-)

diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index 3989c0ca0e0..101ea4bc237 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -7,6 +7,7 @@ config MAX1363
 	tristate "MAXIM max1363 ADC driver"
 	depends on I2C
 	select IIO_TRIGGER if IIO_RING_BUFFER
+	select MAX1363_RING_BUFFER
 	help
 	  Say yes here to build support for many MAXIM i2c analog to digital
 	  convertors (ADC). (max1361, max1362, max1363, max1364, max1136,
diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile
index 08cee5c22b9..18c9376ecbb 100644
--- a/drivers/staging/iio/adc/Makefile
+++ b/drivers/staging/iio/adc/Makefile
@@ -3,6 +3,6 @@
 #
 
 max1363-y := max1363_core.o
-max1363-$(CONFIG_MAX1363_RING_BUFFER) += max1363_ring.o
+max1363-y += max1363_ring.o
 
 obj-$(CONFIG_MAX1363) += max1363.o
diff --git a/drivers/staging/iio/adc/max1363.h b/drivers/staging/iio/adc/max1363.h
index c112fbef270..72cf3670936 100644
--- a/drivers/staging/iio/adc/max1363.h
+++ b/drivers/staging/iio/adc/max1363.h
@@ -72,77 +72,54 @@
  * @numvals:	The number of values returned by a single scan
  */
 struct max1363_mode {
-	const char	*name;
 	int8_t		conf;
-	int		numvals;
+	long		modemask;
 };
 
-#define MAX1363_MODE_SINGLE(_num) {					\
-		.name = #_num,						\
-			.conf = MAX1363_CHANNEL_SEL(_num)		\
+#define MAX1363_MODE_SINGLE(_num, _mask) {				\
+		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1363_CONFIG_SCAN_SINGLE_1			\
 			| MAX1363_CONFIG_SE,				\
-			.numvals = 1,					\
+			.modemask = _mask,				\
 			}
 
-#define MAX1363_MODE_SINGLE_TIMES_8(_num) {				\
-		.name = #_num"x8",					\
-			.conf = MAX1363_CHANNEL_SEL(_num)		\
-			| MAX1363_CONFIG_SCAN_SINGLE_8			\
-			| MAX1363_CONFIG_SE,				\
-			.numvals = 8,					\
-			}
-
-#define MAX1363_MODE_SCAN_TO_CHANNEL(_num) {				\
-		.name = "0..."#_num,					\
-			.conf = MAX1363_CHANNEL_SEL(_num)		\
+#define MAX1363_MODE_SCAN_TO_CHANNEL(_num, _mask) {			\
+		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1363_CONFIG_SCAN_TO_CS			\
 			| MAX1363_CONFIG_SE,				\
-			.numvals = _num + 1,				\
+			.modemask = _mask,				\
 			}
 
 
 /* note not available for max1363 hence naming */
-#define MAX1236_MODE_SCAN_MID_TO_CHANNEL(_mid, _num) {			\
-		.name = #_mid"..."#_num,				\
-			.conf = MAX1363_CHANNEL_SEL(_num)		\
+#define MAX1236_MODE_SCAN_MID_TO_CHANNEL(_mid, _num, _mask) {		\
+		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1236_SCAN_MID_TO_CHANNEL			\
 			| MAX1363_CONFIG_SE,				\
-			.numvals = _num - _mid + 1			\
+			.modemask = _mask				\
 }
 
-#define MAX1363_MODE_DIFF_SINGLE(_nump, _numm) {			\
-		.name = #_nump"-"#_numm,				\
-			.conf = MAX1363_CHANNEL_SEL(_nump)		\
+#define MAX1363_MODE_DIFF_SINGLE(_nump, _numm, _mask) {			\
+		.conf = MAX1363_CHANNEL_SEL(_nump)			\
 			| MAX1363_CONFIG_SCAN_SINGLE_1			\
 			| MAX1363_CONFIG_DE,				\
-			.numvals = 1,					\
-			}
-
-#define MAX1363_MODE_DIFF_SINGLE_TIMES_8(_nump, _numm) {		\
-		.name = #_nump"-"#_numm,				\
-			.conf = MAX1363_CHANNEL_SEL(_nump)		\
-			| MAX1363_CONFIG_SCAN_SINGLE_8			\
-			| MAX1363_CONFIG_DE,				\
-			.numvals = 1,					\
+			.modemask = _mask				\
 			}
 
 /* Can't think how to automate naming so specify for now */
-#define MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(_name, _num, _numvals) { \
-		.name = #_name,						\
-			.conf = MAX1363_CHANNEL_SEL(_num)		\
+#define MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(_num, _numvals, _mask) { \
+		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1363_CONFIG_SCAN_TO_CS			\
 			| MAX1363_CONFIG_DE,				\
-			.numvals = _numvals,				\
+			.modemask = _mask				\
 			}
 
 /* note only available for max1363 hence naming */
-#define MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL_NAMED(_name, _num, _numvals) { \
-    .name = #_name,							\
-			.conf = MAX1363_CHANNEL_SEL(_num)		\
+#define MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(_num, _numvals, _mask) { \
+		.conf = MAX1363_CHANNEL_SEL(_num)			\
 			| MAX1236_SCAN_MID_TO_CHANNEL			\
 			| MAX1363_CONFIG_SE,				\
-			.numvals = _numvals,				\
+			.modemask = _mask				\
 }
 
 /* Not currently handled */
@@ -158,35 +135,43 @@ struct max1363_mode {
  * clear what all the various options actually do. Alternative suggestions
  * that don't require user to have intimate knowledge of the chip welcomed.
  */
+enum max1363_channels {
+	max1363_in0, max1363_in1, max1363_in2, max1363_in3,
+	max1363_in4, max1363_in5, max1363_in6, max1363_in7,
+	max1363_in8, max1363_in9, max1363_in10, max1363_in11,
+
+	max1363_in0min1, max1363_in2min3,
+	max1363_in4min5, max1363_in6min7,
+	max1363_in8min9, max1363_in10min11,
+
+	max1363_in1min0, max1363_in3min2,
+	max1363_in5min4, max1363_in7min6,
+	max1363_in9min8, max1363_in11min10,
+	};
 
 /* This must be maintained along side the max1363_mode_table in max1363_core */
 enum max1363_modes {
 	/* Single read of a single channel */
 	_s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7, _s8, _s9, _s10, _s11,
-	/* Eight reads of a single channel */
-	se0, se1, se2, se3, se4, se5, se6, se7, se8, se9, se10, se11,
-	/* Scan to channel */
-	s0to1, s0to2, s0to3, s0to4, s0to5, s0to6,
-	s0to7, s0to8, s0to9, s0to10, s0to11,
 	/* Differential single read */
 	d0m1, d2m3, d4m5, d6m7, d8m9, d10m11,
 	d1m0, d3m2, d5m4, d7m6, d9m8, d11m10,
-	/* Differential single read 8 times */
-	de0m1, de2m3, de4m5, de6m7, de8m9, de10m11,
-	de1m0, de3m2, de5m4, de7m6, de9m8, de11m10,
-	/* Differential scan to channel */
-	d0m1to2m3, d0m1to4m5, d0m1to6m7, d0m1to8m9, d0m1to10m11,
-	d1m0to3m2, d1m0to5m4, d1m0to7m6, d1m0to9m8, d1m0to11m10,
-	/* Scan mid to channel max123{6-9} only */
-	s2to3, s6to7, s6to8, s6to9, s6to10, s6to11,
-	/* Differential scan mid to channel */
-	s6m7to8m9, s6m7to10m11, s7m6to9m8, s7m6to11m10,
+	/* Scan to channel and mid to channel where overlapping */
+	s0to1, s0to2, s2to3, s0to3, s0to4, s0to5, s0to6,
+	s6to7, s0to7, s6to8, s0to8, s6to9,
+	s0to9, s6to10, s0to10, s6to11, s0to11,
+	/* Differential scan to channel and mid to channel where overlapping */
+	d0m1to2m3, d0m1to4m5, d0m1to6m7, d6m7to8m9,
+	d0m1to8m9, d6m7to10m11, d0m1to10m11, d1m0to3m2,
+	d1m0to5m4, d1m0to7m6, d7m6to9m8, d1m0to9m8,
+	d7m6to11m10, d1m0to11m10,
 };
 
 /**
  * struct max1363_chip_info - chip specifc information
  * @name:		indentification string for chip
  * @num_inputs:		number of physical inputs on chip
+ * @bits:		accuracy of the adc in bits
  * @int_vref_mv:	the internal reference voltage
  * @monitor_mode:	whether the chip supports monitor interrupts
  * @mode_list:		array of available scan modes
@@ -196,11 +181,14 @@ enum max1363_modes {
 struct max1363_chip_info {
 	const char			*name;
 	u8				num_inputs;
+	u8				bits;
 	u16				int_vref_mv;
 	bool				monitor_mode;
 	const enum max1363_modes	*mode_list;
 	int				num_modes;
 	enum max1363_modes		default_mode;
+	struct attribute_group		*dev_attrs;
+	struct attribute_group		*scan_attrs;
 };
 
 
@@ -212,6 +200,7 @@ struct max1363_chip_info {
  * @configbyte:		cache of current device config byte
  * @chip_info:		chip model specific constants, available modes etc
  * @current_mode:	the scan mode of this chip
+ * @requestedmask:	a valid requested set of channels
  * @poll_work:		bottom half of polling interrupt handler
  * @protect_ring:	used to ensure only one polling bh running at a time
  * @reg:		supply regulator
@@ -223,16 +212,21 @@ struct max1363_state {
 	char				configbyte;
 	const struct max1363_chip_info	*chip_info;
 	const struct max1363_mode	*current_mode;
+	u32				requestedmask;
 	struct work_struct		poll_work;
 	atomic_t			protect_ring;
 	struct iio_trigger		*trig;
 	struct regulator		*reg;
 };
+
+const struct max1363_mode
+*max1363_match_mode(u32 mask, const struct max1363_chip_info *ci);
+
+int max1363_set_scan_mode(struct max1363_state *st);
+
 #ifdef CONFIG_MAX1363_RING_BUFFER
 
-ssize_t max1363_scan_from_ring(struct device *dev,
-			       struct device_attribute *attr,
-			       char *buf);
+int max1363_single_channel_from_ring(long mask, struct max1363_state *st);
 int max1363_register_ring_funcs_and_init(struct iio_dev *indio_dev);
 void max1363_ring_cleanup(struct iio_dev *indio_dev);
 
@@ -250,14 +244,12 @@ static inline int max1363_initialize_ring(struct iio_ring_buffer *ring)
 	return 0;
 };
 
-
-static inline ssize_t max1363_scan_from_ring(struct device *dev,
-					     struct device_attribute *attr,
-					     char *buf)
+int max1363_single_channel_from_ring(long mask, struct max1363_state *st)
 {
-	return 0;
+	return -EINVAL;
 };
 
+
 static inline int
 max1363_register_ring_funcs_and_init(struct iio_dev *indio_dev)
 {
diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c
index 790d1cc9cdc..e82f3e78a1c 100644
--- a/drivers/staging/iio/adc/max1363_core.c
+++ b/drivers/staging/iio/adc/max1363_core.c
@@ -1,27 +1,26 @@
  /*
- * linux/drivers/industrialio/adc/max1363.c
- * Copyright (C) 2008 Jonathan Cameron
- *
- * based on linux/drivers/i2c/chips/max123x
- * Copyright (C) 2002-2004 Stefan Eletzhofer
- *
- * based on linux/drivers/acron/char/pcf8583.c
- * Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * max1363.c
- *
- * Partial support for max1363 and similar chips.
- *
- * Not currently implemented.
- *
- * - Monitor interrrupt generation.
- * - Control of internal reference.
- * - Sysfs scan interface currently assumes unipolar mode.
- */
+  * iio/adc/max1363.c
+  * Copyright (C) 2008-2010 Jonathan Cameron
+  *
+  * based on linux/drivers/i2c/chips/max123x
+  * Copyright (C) 2002-2004 Stefan Eletzhofer
+  *
+  * based on linux/drivers/acron/char/pcf8583.c
+  * Copyright (C) 2000 Russell King
+  *
+  * This program is free software; you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License version 2 as
+  * published by the Free Software Foundation.
+  *
+  * max1363.c
+  *
+  * Partial support for max1363 and similar chips.
+  *
+  * Not currently implemented.
+  *
+  * - Monitor interrrupt generation.
+  * - Control of internal reference.
+  */
 
 #include <linux/interrupt.h>
 #include <linux/gpio.h>
@@ -38,118 +37,318 @@
 #include "../iio.h"
 #include "../sysfs.h"
 
+#include "../ring_generic.h"
+#include "adc.h"
 #include "max1363.h"
 
-/* Available scan modes.
- * Awkwardly the associated enum is in the header so it is available to
- * the ring buffer code.
- */
-static const struct  max1363_mode max1363_mode_table[] = {
-	MAX1363_MODE_SINGLE(0),
-	MAX1363_MODE_SINGLE(1),
-	MAX1363_MODE_SINGLE(2),
-	MAX1363_MODE_SINGLE(3),
-	MAX1363_MODE_SINGLE(4),
-	MAX1363_MODE_SINGLE(5),
-	MAX1363_MODE_SINGLE(6),
-	MAX1363_MODE_SINGLE(7),
-	MAX1363_MODE_SINGLE(8),
-	MAX1363_MODE_SINGLE(9),
-	MAX1363_MODE_SINGLE(10),
-	MAX1363_MODE_SINGLE(11),
+/* Here we claim all are 16 bits. This currently does no harm and saves
+ * us a lot of scan element listings */
 
-	MAX1363_MODE_SINGLE_TIMES_8(0),
-	MAX1363_MODE_SINGLE_TIMES_8(1),
-	MAX1363_MODE_SINGLE_TIMES_8(2),
-	MAX1363_MODE_SINGLE_TIMES_8(3),
-	MAX1363_MODE_SINGLE_TIMES_8(4),
-	MAX1363_MODE_SINGLE_TIMES_8(5),
-	MAX1363_MODE_SINGLE_TIMES_8(6),
-	MAX1363_MODE_SINGLE_TIMES_8(7),
-	MAX1363_MODE_SINGLE_TIMES_8(8),
-	MAX1363_MODE_SINGLE_TIMES_8(9),
-	MAX1363_MODE_SINGLE_TIMES_8(10),
-	MAX1363_MODE_SINGLE_TIMES_8(11),
+#define MAX1363_SCAN_EL(number)						\
+	IIO_SCAN_EL_C(in##number, number, IIO_UNSIGNED(16), 0, NULL);
+#define MAX1363_SCAN_EL_D(p, n, number)					\
+	IIO_SCAN_NAMED_EL_C(in##p##m##in##n, in##p-in##n,		\
+			number, IIO_SIGNED(16), 0 , NULL);
 
-	MAX1363_MODE_SCAN_TO_CHANNEL(1),
-	MAX1363_MODE_SCAN_TO_CHANNEL(2),
-	MAX1363_MODE_SCAN_TO_CHANNEL(3),
-	MAX1363_MODE_SCAN_TO_CHANNEL(4),
-	MAX1363_MODE_SCAN_TO_CHANNEL(5),
-	MAX1363_MODE_SCAN_TO_CHANNEL(6),
-	MAX1363_MODE_SCAN_TO_CHANNEL(7),
-	MAX1363_MODE_SCAN_TO_CHANNEL(8),
-	MAX1363_MODE_SCAN_TO_CHANNEL(9),
-	MAX1363_MODE_SCAN_TO_CHANNEL(10),
-	MAX1363_MODE_SCAN_TO_CHANNEL(11),
+static MAX1363_SCAN_EL(0);
+static MAX1363_SCAN_EL(1);
+static MAX1363_SCAN_EL(2);
+static MAX1363_SCAN_EL(3);
+static MAX1363_SCAN_EL(4);
+static MAX1363_SCAN_EL(5);
+static MAX1363_SCAN_EL(6);
+static MAX1363_SCAN_EL(7);
+static MAX1363_SCAN_EL(8);
+static MAX1363_SCAN_EL(9);
+static MAX1363_SCAN_EL(10);
+static MAX1363_SCAN_EL(11);
+static MAX1363_SCAN_EL_D(0, 1, 12);
+static MAX1363_SCAN_EL_D(2, 3, 13);
+static MAX1363_SCAN_EL_D(4, 5, 14);
+static MAX1363_SCAN_EL_D(6, 7, 15);
+static MAX1363_SCAN_EL_D(8, 9, 16);
+static MAX1363_SCAN_EL_D(10, 11, 17);
+static MAX1363_SCAN_EL_D(1, 0, 18);
+static MAX1363_SCAN_EL_D(3, 2, 19);
+static MAX1363_SCAN_EL_D(5, 4, 20);
+static MAX1363_SCAN_EL_D(7, 6, 21);
+static MAX1363_SCAN_EL_D(9, 8, 22);
+static MAX1363_SCAN_EL_D(11, 10, 23);
 
-	MAX1363_MODE_DIFF_SINGLE(0, 1),
-	MAX1363_MODE_DIFF_SINGLE(2, 3),
-	MAX1363_MODE_DIFF_SINGLE(4, 5),
-	MAX1363_MODE_DIFF_SINGLE(6, 7),
-	MAX1363_MODE_DIFF_SINGLE(8, 9),
-	MAX1363_MODE_DIFF_SINGLE(10, 11),
-	MAX1363_MODE_DIFF_SINGLE(1, 0),
-	MAX1363_MODE_DIFF_SINGLE(3, 2),
-	MAX1363_MODE_DIFF_SINGLE(5, 4),
-	MAX1363_MODE_DIFF_SINGLE(7, 6),
-	MAX1363_MODE_DIFF_SINGLE(9, 8),
-	MAX1363_MODE_DIFF_SINGLE(11, 10),
+static const struct max1363_mode max1363_mode_table[] = {
+	/* All of the single channel options first */
+	MAX1363_MODE_SINGLE(0, 1 << 0),
+	MAX1363_MODE_SINGLE(1, 1 << 1),
+	MAX1363_MODE_SINGLE(2, 1 << 2),
+	MAX1363_MODE_SINGLE(3, 1 << 3),
+	MAX1363_MODE_SINGLE(4, 1 << 4),
+	MAX1363_MODE_SINGLE(5, 1 << 5),
+	MAX1363_MODE_SINGLE(6, 1 << 6),
+	MAX1363_MODE_SINGLE(7, 1 << 7),
+	MAX1363_MODE_SINGLE(8, 1 << 8),
+	MAX1363_MODE_SINGLE(9, 1 << 9),
+	MAX1363_MODE_SINGLE(10, 1 << 10),
+	MAX1363_MODE_SINGLE(11, 1 << 11),
 
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(0, 1),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(2, 3),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(4, 5),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(6, 7),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(8, 9),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(10, 11),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(1, 0),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(3, 2),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(5, 4),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(7, 6),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(9, 8),
-	MAX1363_MODE_DIFF_SINGLE_TIMES_8(11, 10),
+	MAX1363_MODE_DIFF_SINGLE(0, 1, 1 << 12),
+	MAX1363_MODE_DIFF_SINGLE(2, 3, 1 << 13),
+	MAX1363_MODE_DIFF_SINGLE(4, 5, 1 << 14),
+	MAX1363_MODE_DIFF_SINGLE(6, 7, 1 << 15),
+	MAX1363_MODE_DIFF_SINGLE(8, 9, 1 << 16),
+	MAX1363_MODE_DIFF_SINGLE(10, 11, 1 << 17),
+	MAX1363_MODE_DIFF_SINGLE(1, 0, 1 << 18),
+	MAX1363_MODE_DIFF_SINGLE(3, 2, 1 << 19),
+	MAX1363_MODE_DIFF_SINGLE(5, 4, 1 << 20),
+	MAX1363_MODE_DIFF_SINGLE(7, 6, 1 << 21),
+	MAX1363_MODE_DIFF_SINGLE(9, 8, 1 << 22),
+	MAX1363_MODE_DIFF_SINGLE(11, 10, 1 << 23),
 
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(0-1...2-3, 2, 2),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(0-1...4-5, 4, 3),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(0-1...6-7, 6, 4),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(0-1...8-9, 8, 5),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(0-1...10-11, 10, 6),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(1-0...3-2, 3, 2),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(1-0...5-4, 5, 3),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(1-0...7-6, 7, 4),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(1-0...9-8, 9, 5),
-	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL_NAMED(1-0...11-10, 11, 6),
+	/* The multichannel scans next */
+	MAX1363_MODE_SCAN_TO_CHANNEL(1, 0x003),
+	MAX1363_MODE_SCAN_TO_CHANNEL(2, 0x007),
+	MAX1236_MODE_SCAN_MID_TO_CHANNEL(2, 3, 0x00C),
+	MAX1363_MODE_SCAN_TO_CHANNEL(3, 0x00F),
+	MAX1363_MODE_SCAN_TO_CHANNEL(4, 0x01F),
+	MAX1363_MODE_SCAN_TO_CHANNEL(5, 0x03F),
+	MAX1363_MODE_SCAN_TO_CHANNEL(6, 0x07F),
+	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 7, 0x0C0),
+	MAX1363_MODE_SCAN_TO_CHANNEL(7, 0x0FF),
+	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 8, 0x1C0),
+	MAX1363_MODE_SCAN_TO_CHANNEL(8, 0x1FF),
+	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 9, 0x3C0),
+	MAX1363_MODE_SCAN_TO_CHANNEL(9, 0x3FF),
+	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 10, 0x7C0),
+	MAX1363_MODE_SCAN_TO_CHANNEL(10, 0x7FF),
+	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 11, 0xFC0),
+	MAX1363_MODE_SCAN_TO_CHANNEL(11, 0xFFF),
 
-	MAX1236_MODE_SCAN_MID_TO_CHANNEL(2, 3),
-	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 7),
-	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 8),
-	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 9),
-	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 10),
-	MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 11),
-
-	MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL_NAMED(6-7...8-9, 8, 2),
-	MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL_NAMED(6-7...10-11, 10, 3),
-	MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL_NAMED(7-6...9-8, 9, 2),
-	MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL_NAMED(7-6...11-10, 11, 3),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(2, 2, 0x003000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(4, 3, 0x007000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(6, 4, 0x00F000),
+	MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(8, 2, 0x018000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(8, 5, 0x01F000),
+	MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(10, 3, 0x038000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(10, 6, 0x3F000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(3, 2, 0x0C0000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(5, 3, 0x1C0000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(7, 4, 0x3C0000),
+	MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(9, 2, 0x600000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(9, 5, 0x7C0000),
+	MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(11, 3, 0xE00000),
+	MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(11, 6, 0xFC0000),
 };
 
+const struct max1363_mode
+*max1363_match_mode(u32 mask, const struct max1363_chip_info *ci) {
+	int i;
+	if (mask)
+		for (i = 0; i < ci->num_modes; i++)
+			if (!((~max1363_mode_table[ci->mode_list[i]]
+			       .modemask) &
+			      mask))
+				return &max1363_mode_table[ci
+							   ->mode_list[i]];
+	return 0;
+};
+
+static ssize_t max1363_show_precision(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
+{
+	struct iio_dev *dev_info = dev_get_drvdata(dev);
+	struct max1363_state *st = iio_dev_get_devdata(dev_info);
+	return sprintf(buf, "%d\n", st->chip_info->bits);
+}
+
+static IIO_DEVICE_ATTR(in_precision, S_IRUGO, max1363_show_precision,
+		       NULL, 0);
+
+static int max1363_write_basic_config(struct i2c_client *client,
+				      unsigned char d1,
+				      unsigned char d2)
+{
+	int ret;
+	u8 *tx_buf = kmalloc(2 , GFP_KERNEL);
+
+	if (!tx_buf)
+		return -ENOMEM;
+	tx_buf[0] = d1;
+	tx_buf[1] = d2;
+
+	ret = i2c_master_send(client, tx_buf, 2);
+	kfree(tx_buf);
+
+	return (ret > 0) ? 0 : ret;
+}
+
+int max1363_set_scan_mode(struct max1363_state *st)
+{
+	st->configbyte &= ~(MAX1363_CHANNEL_SEL_MASK
+			    | MAX1363_SCAN_MASK
+			    | MAX1363_SE_DE_MASK);
+	st->configbyte |= st->current_mode->conf;
+
+	return max1363_write_basic_config(st->client,
+					  st->setupbyte,
+					  st->configbyte);
+}
+
+static ssize_t max1363_read_single_channel(struct device *dev,
+				   struct device_attribute *attr,
+				   char *buf)
+{
+	struct iio_dev *dev_info = dev_get_drvdata(dev);
+	struct max1363_state *st = iio_dev_get_devdata(dev_info);
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	struct i2c_client *client = st->client;
+	int ret = 0, len = 0;
+	s32 data ;
+	char rxbuf[2];
+	long mask;
+
+	mutex_lock(&dev_info->mlock);
+	/* If ring buffer capture is occuring, query the buffer */
+	if (iio_ring_enabled(dev_info)) {
+		mask = max1363_mode_table[this_attr->address].modemask;
+		data = max1363_single_channel_from_ring(mask, st);
+		if (data < 0) {
+			ret = data;
+			goto error_ret;
+		}
+	} else {
+		/* Check to see if current scan mode is correct */
+		if (st->current_mode !=
+		    &max1363_mode_table[this_attr->address]) {
+			/* Update scan mode if needed */
+			st->current_mode
+				= &max1363_mode_table[this_attr->address];
+			ret = max1363_set_scan_mode(st);
+			if (ret)
+				goto error_ret;
+		}
+		/* Get reading */
+		data = i2c_master_recv(client, rxbuf, 2);
+		if (data < 0) {
+			ret = data;
+			goto error_ret;
+		}
+		data = (s32)(rxbuf[1]) | ((s32)(rxbuf[0] & 0x0F)) << 8;
+	}
+	/* Pretty print the result */
+	len = sprintf(buf, "%u\n", data);
+
+error_ret:
+	mutex_unlock(&dev_info->mlock);
+	return ret ? ret : len;
+}
+
+/* Direct read attribtues */
+static IIO_DEV_ATTR_IN_RAW(0, max1363_read_single_channel, _s0);
+static IIO_DEV_ATTR_IN_RAW(1, max1363_read_single_channel, _s1);
+static IIO_DEV_ATTR_IN_RAW(2, max1363_read_single_channel, _s2);
+static IIO_DEV_ATTR_IN_RAW(3, max1363_read_single_channel, _s3);
+static IIO_DEV_ATTR_IN_RAW(4, max1363_read_single_channel, _s4);
+static IIO_DEV_ATTR_IN_RAW(5, max1363_read_single_channel, _s5);
+static IIO_DEV_ATTR_IN_RAW(6, max1363_read_single_channel, _s6);
+static IIO_DEV_ATTR_IN_RAW(7, max1363_read_single_channel, _s7);
+static IIO_DEV_ATTR_IN_RAW(8, max1363_read_single_channel, _s8);
+static IIO_DEV_ATTR_IN_RAW(9, max1363_read_single_channel, _s9);
+static IIO_DEV_ATTR_IN_RAW(10, max1363_read_single_channel, _s10);
+static IIO_DEV_ATTR_IN_RAW(11, max1363_read_single_channel, _s11);
+
+static IIO_DEV_ATTR_IN_DIFF_RAW(0, 1, max1363_read_single_channel, d0m1);
+static IIO_DEV_ATTR_IN_DIFF_RAW(2, 3, max1363_read_single_channel, d2m3);
+static IIO_DEV_ATTR_IN_DIFF_RAW(4, 5, max1363_read_single_channel, d4m5);
+static IIO_DEV_ATTR_IN_DIFF_RAW(6, 7, max1363_read_single_channel, d6m7);
+static IIO_DEV_ATTR_IN_DIFF_RAW(8, 9, max1363_read_single_channel, d8m9);
+static IIO_DEV_ATTR_IN_DIFF_RAW(10, 11, max1363_read_single_channel, d10m11);
+static IIO_DEV_ATTR_IN_DIFF_RAW(1, 0, max1363_read_single_channel, d1m0);
+static IIO_DEV_ATTR_IN_DIFF_RAW(3, 2, max1363_read_single_channel, d3m2);
+static IIO_DEV_ATTR_IN_DIFF_RAW(5, 4, max1363_read_single_channel, d5m4);
+static IIO_DEV_ATTR_IN_DIFF_RAW(7, 6, max1363_read_single_channel, d7m6);
+static IIO_DEV_ATTR_IN_DIFF_RAW(9, 8, max1363_read_single_channel, d9m8);
+static IIO_DEV_ATTR_IN_DIFF_RAW(11, 10, max1363_read_single_channel, d11m10);
+
+
+static ssize_t max1363_show_scale(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
+{
+	/* Driver currently only support internal vref */
+	struct iio_dev *dev_info = dev_get_drvdata(dev);
+	struct max1363_state *st = iio_dev_get_devdata(dev_info);
+	/* Corresponds to Vref / 2^(bits) */
+
+	if ((1 << (st->chip_info->bits + 1))
+	    > st->chip_info->int_vref_mv)
+		return sprintf(buf, "0.5\n");
+	else
+		return sprintf(buf, "%d\n",
+			st->chip_info->int_vref_mv >> st->chip_info->bits);
+}
+
+IIO_DEVICE_ATTR(in_scale, S_IRUGO, max1363_show_scale, NULL, 0);
+
+static ssize_t max1363_show_name(struct device *dev,
+				 struct device_attribute *attr,
+				 char *buf)
+{
+	struct iio_dev *dev_info = dev_get_drvdata(dev);
+	struct max1363_state *st = iio_dev_get_devdata(dev_info);
+	return sprintf(buf, "%s\n", st->chip_info->name);
+}
+
+IIO_DEVICE_ATTR(name, S_IRUGO, max1363_show_name, NULL, 0);
+
 /* Applies to max1363 */
 static const enum max1363_modes max1363_mode_list[] = {
 	_s0, _s1, _s2, _s3,
-	se0, se1, se2, se3,
 	s0to1, s0to2, s0to3,
 	d0m1, d2m3, d1m0, d3m2,
-	de0m1, de2m3, de1m0, de3m2,
 	d0m1to2m3, d1m0to3m2,
 };
 
+static struct attribute *max1363_device_attrs[] = {
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_dev_attr_in1_raw.dev_attr.attr,
+	&iio_dev_attr_in2_raw.dev_attr.attr,
+	&iio_dev_attr_in3_raw.dev_attr.attr,
+	&iio_dev_attr_in0min1_raw.dev_attr.attr,
+	&iio_dev_attr_in2min3_raw.dev_attr.attr,
+	&iio_dev_attr_in1min0_raw.dev_attr.attr,
+	&iio_dev_attr_in3min2_raw.dev_attr.attr,
+	&iio_dev_attr_name.dev_attr.attr,
+	&iio_dev_attr_in_scale.dev_attr.attr,
+	NULL
+};
+
+static struct attribute_group max1363_dev_attr_group = {
+	.attrs = max1363_device_attrs,
+};
+
+static struct attribute *max1363_scan_el_attrs[] = {
+	&iio_scan_el_in0.dev_attr.attr,
+	&iio_scan_el_in1.dev_attr.attr,
+	&iio_scan_el_in2.dev_attr.attr,
+	&iio_scan_el_in3.dev_attr.attr,
+	&iio_scan_el_in0min1.dev_attr.attr,
+	&iio_scan_el_in2min3.dev_attr.attr,
+	&iio_scan_el_in1min0.dev_attr.attr,
+	&iio_scan_el_in3min2.dev_attr.attr,
+	&iio_dev_attr_in_precision.dev_attr.attr,
+	NULL,
+};
+
+static struct attribute_group max1363_scan_el_group = {
+	.name = "scan_elements",
+	.attrs = max1363_scan_el_attrs,
+};
+
 /* Appies to max1236, max1237 */
 static const enum max1363_modes max1236_mode_list[] = {
 	_s0, _s1, _s2, _s3,
-	se0, se1, se2, se3,
 	s0to1, s0to2, s0to3,
 	d0m1, d2m3, d1m0, d3m2,
-	de0m1, de2m3, de1m0, de3m2,
 	d0m1to2m3, d1m0to3m2,
 	s2to3,
 };
@@ -157,19 +356,83 @@ static const enum max1363_modes max1236_mode_list[] = {
 /* Applies to max1238, max1239 */
 static const enum max1363_modes max1238_mode_list[] = {
 	_s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7, _s8, _s9, _s10, _s11,
-	se0, se1, se2, se3, se4, se5, se6, se7, se8, se9, se10, se11,
 	s0to1, s0to2, s0to3, s0to4, s0to5, s0to6,
 	s0to7, s0to8, s0to9, s0to10, s0to11,
 	d0m1, d2m3, d4m5, d6m7, d8m9, d10m11,
 	d1m0, d3m2, d5m4, d7m6, d9m8, d11m10,
-	de0m1, de2m3, de4m5, de6m7, de8m9, de10m11,
-	de1m0, de3m2, de5m4, de7m6, de9m8, de11m10,
 	d0m1to2m3, d0m1to4m5, d0m1to6m7, d0m1to8m9, d0m1to10m11,
 	d1m0to3m2, d1m0to5m4, d1m0to7m6, d1m0to9m8, d1m0to11m10,
 	s6to7, s6to8, s6to9, s6to10, s6to11,
-	s6m7to8m9, s6m7to10m11, s7m6to9m8, s7m6to11m10,
+	d6m7to8m9, d6m7to10m11, d7m6to9m8, d7m6to11m10,
 };
 
+static struct attribute *max1238_device_attrs[] = {
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_dev_attr_in1_raw.dev_attr.attr,
+	&iio_dev_attr_in2_raw.dev_attr.attr,
+	&iio_dev_attr_in3_raw.dev_attr.attr,
+	&iio_dev_attr_in4_raw.dev_attr.attr,
+	&iio_dev_attr_in5_raw.dev_attr.attr,
+	&iio_dev_attr_in6_raw.dev_attr.attr,
+	&iio_dev_attr_in7_raw.dev_attr.attr,
+	&iio_dev_attr_in8_raw.dev_attr.attr,
+	&iio_dev_attr_in9_raw.dev_attr.attr,
+	&iio_dev_attr_in10_raw.dev_attr.attr,
+	&iio_dev_attr_in11_raw.dev_attr.attr,
+	&iio_dev_attr_in0min1_raw.dev_attr.attr,
+	&iio_dev_attr_in2min3_raw.dev_attr.attr,
+	&iio_dev_attr_in4min5_raw.dev_attr.attr,
+	&iio_dev_attr_in6min7_raw.dev_attr.attr,
+	&iio_dev_attr_in8min9_raw.dev_attr.attr,
+	&iio_dev_attr_in10min11_raw.dev_attr.attr,
+	&iio_dev_attr_in1min0_raw.dev_attr.attr,
+	&iio_dev_attr_in3min2_raw.dev_attr.attr,
+	&iio_dev_attr_in5min4_raw.dev_attr.attr,
+	&iio_dev_attr_in7min6_raw.dev_attr.attr,
+	&iio_dev_attr_in9min8_raw.dev_attr.attr,
+	&iio_dev_attr_in11min10_raw.dev_attr.attr,
+	&iio_dev_attr_name.dev_attr.attr,
+	&iio_dev_attr_in_scale.dev_attr.attr,
+	NULL
+};
+
+static struct attribute_group max1238_dev_attr_group = {
+	.attrs = max1238_device_attrs,
+};
+
+static struct attribute *max1238_scan_el_attrs[] = {
+	&iio_scan_el_in0.dev_attr.attr,
+	&iio_scan_el_in1.dev_attr.attr,
+	&iio_scan_el_in2.dev_attr.attr,
+	&iio_scan_el_in3.dev_attr.attr,
+	&iio_scan_el_in4.dev_attr.attr,
+	&iio_scan_el_in5.dev_attr.attr,
+	&iio_scan_el_in6.dev_attr.attr,
+	&iio_scan_el_in7.dev_attr.attr,
+	&iio_scan_el_in8.dev_attr.attr,
+	&iio_scan_el_in9.dev_attr.attr,
+	&iio_scan_el_in10.dev_attr.attr,
+	&iio_scan_el_in11.dev_attr.attr,
+	&iio_scan_el_in0min1.dev_attr.attr,
+	&iio_scan_el_in2min3.dev_attr.attr,
+	&iio_scan_el_in4min5.dev_attr.attr,
+	&iio_scan_el_in6min7.dev_attr.attr,
+	&iio_scan_el_in8min9.dev_attr.attr,
+	&iio_scan_el_in10min11.dev_attr.attr,
+	&iio_scan_el_in1min0.dev_attr.attr,
+	&iio_scan_el_in3min2.dev_attr.attr,
+	&iio_scan_el_in5min4.dev_attr.attr,
+	&iio_scan_el_in7min6.dev_attr.attr,
+	&iio_scan_el_in9min8.dev_attr.attr,
+	&iio_scan_el_in11min10.dev_attr.attr,
+	&iio_dev_attr_in_precision.dev_attr.attr,
+	NULL,
+};
+
+static struct attribute_group max1238_scan_el_group = {
+	.name = "scan_elements",
+	.attrs = max1238_scan_el_attrs,
+};
 
 enum { max1361,
        max1362,
@@ -190,118 +453,130 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = {
 	{
 		.name = "max1361",
 		.num_inputs = 4,
+		.bits = 10,
+		.int_vref_mv = 2048,
 		.monitor_mode = 1,
 		.mode_list = max1363_mode_list,
 		.num_modes = ARRAY_SIZE(max1363_mode_list),
 		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
 	}, {
 		.name = "max1362",
 		.num_inputs = 4,
+		.bits = 10,
+		.int_vref_mv = 4096,
 		.monitor_mode = 1,
 		.mode_list = max1363_mode_list,
 		.num_modes = ARRAY_SIZE(max1363_mode_list),
 		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
 	}, {
 		.name = "max1363",
 		.num_inputs = 4,
+		.bits = 12,
+		.int_vref_mv = 2048,
 		.monitor_mode = 1,
 		.mode_list = max1363_mode_list,
 		.num_modes = ARRAY_SIZE(max1363_mode_list),
 		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
 	}, {
 		.name = "max1364",
 		.num_inputs = 4,
+		.bits = 12,
+		.int_vref_mv = 4096,
 		.monitor_mode = 1,
 		.mode_list = max1363_mode_list,
 		.num_modes = ARRAY_SIZE(max1363_mode_list),
 		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
 	}, {
 		.name = "max1136",
 		.num_inputs = 4,
+		.bits = 10,
 		.int_vref_mv = 4096,
 		.mode_list = max1236_mode_list,
 		.num_modes = ARRAY_SIZE(max1236_mode_list),
 		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
 	}, {
 		.name = "max1137",
 		.num_inputs = 4,
+		.bits = 10,
 		.int_vref_mv = 2048,
 		.mode_list = max1236_mode_list,
 		.num_modes = ARRAY_SIZE(max1236_mode_list),
 		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
 	}, {
 		.name = "max1138",
 		.num_inputs = 12,
+		.bits = 10,
 		.int_vref_mv = 4096,
 		.mode_list = max1238_mode_list,
 		.num_modes = ARRAY_SIZE(max1238_mode_list),
 		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
 	}, {
 		.name = "max1139",
 		.num_inputs = 12,
+		.bits = 10,
 		.int_vref_mv = 2048,
 		.mode_list = max1238_mode_list,
 		.num_modes = ARRAY_SIZE(max1238_mode_list),
 		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
 	}, {
 		.name = "max1236",
 		.num_inputs = 4,
+		.bits = 12,
 		.int_vref_mv = 4096,
 		.mode_list = max1236_mode_list,
 		.num_modes = ARRAY_SIZE(max1236_mode_list),
 		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
 	}, {
 		.name = "max1237",
 		.num_inputs = 4,
+		.bits = 12,
 		.int_vref_mv = 2048,
 		.mode_list = max1236_mode_list,
 		.num_modes = ARRAY_SIZE(max1236_mode_list),
 		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
 	}, {
 		.name = "max1238",
 		.num_inputs = 12,
+		.bits = 12,
 		.int_vref_mv = 4096,
 		.mode_list = max1238_mode_list,
 		.num_modes = ARRAY_SIZE(max1238_mode_list),
 		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
 	}, {
 		.name = "max1239",
 		.num_inputs = 12,
+		.bits = 12,
 		.int_vref_mv = 2048,
 		.mode_list = max1238_mode_list,
 		.num_modes = ARRAY_SIZE(max1238_mode_list),
 		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
 	},
 };
 
-static int max1363_write_basic_config(struct i2c_client *client,
-				      unsigned char d1,
-				      unsigned char d2)
-{
-	int ret;
-	u8 *tx_buf = kmalloc(2 , GFP_KERNEL);
-	if (!tx_buf)
-		return -ENOMEM;
-	tx_buf[0] = d1;
-	tx_buf[1] = d2;
-
-	ret = i2c_master_send(client, tx_buf, 2);
-	kfree(tx_buf);
-	return (ret > 0) ? 0 : ret;
-}
-
-static int max1363_set_scan_mode(struct max1363_state *st)
-{
-	st->configbyte &= ~(MAX1363_CHANNEL_SEL_MASK
-			    | MAX1363_SCAN_MASK
-			    | MAX1363_SE_DE_MASK);
-	st->configbyte |= st->current_mode->conf;
-
-	return max1363_write_basic_config(st->client,
-					  st->setupbyte,
-					  st->configbyte);
-}
-
 static int max1363_initial_setup(struct max1363_state *st)
 {
 	st->setupbyte = MAX1363_SETUP_AIN3_IS_AIN3_REF_IS_VDD
@@ -318,167 +593,6 @@ static int max1363_initial_setup(struct max1363_state *st)
 	return max1363_set_scan_mode(st);
 }
 
-static ssize_t max1363_show_av_scan_modes(struct device *dev,
-					  struct device_attribute *attr,
-					  char *buf)
-{
-	struct iio_dev *dev_info = dev_get_drvdata(dev);
-	struct max1363_state *st = dev_info->dev_data;
-	int i, len = 0;
-
-	for (i = 0; i < st->chip_info->num_modes; i++)
-		len += sprintf(buf + len, "%s ",
-			       max1363_mode_table[st->chip_info
-						  ->mode_list[i]].name);
-	len += sprintf(buf + len, "\n");
-
-	return len;
-}
-
-
-/* The dev here is the sysfs related one, not the underlying i2c one */
-static ssize_t max1363_scan_direct(struct device *dev,
-				   struct device_attribute *attr,
-				   char *buf)
-{
-	struct iio_dev *dev_info = dev_get_drvdata(dev);
-	struct max1363_state *st = dev_info->dev_data;
-	int len = 0, ret, i;
-	struct i2c_client *client = st->client;
-	char *rxbuf;
-
-	if (st->current_mode->numvals == 0)
-		return 0;
-	rxbuf = kmalloc(st->current_mode->numvals*2, GFP_KERNEL);
-	if (rxbuf == NULL)
-		return -ENOMEM;
-
-	/* Interpretation depends on whether these are signed or not!*/
-	/* Assume not for now */
-	ret = i2c_master_recv(client, rxbuf, st->current_mode->numvals*2);
-
-	if (ret < 0)
-		return ret;
-	for (i = 0; i < st->current_mode->numvals; i++)
-		len += sprintf(buf+len, "%d ",
-			       ((int)(rxbuf[i*2+0]&0x0F) << 8)
-			       + ((int)(rxbuf[i*2+1])));
-	kfree(rxbuf);
-	len += sprintf(buf + len, "\n");
-
-	return len;
-}
-
-static ssize_t max1363_scan(struct device *dev,
-			    struct device_attribute *attr,
-			    char *buf)
-{
-	struct iio_dev *dev_info = dev_get_drvdata(dev);
-	int ret;
-
-	mutex_lock(&dev_info->mlock);
-	if (dev_info->currentmode == INDIO_RING_TRIGGERED)
-		ret = max1363_scan_from_ring(dev, attr, buf);
-	else
-		ret = max1363_scan_direct(dev, attr, buf);
-	mutex_unlock(&dev_info->mlock);
-
-	return ret;
-}
-
-/* Cannot query the device, so use local copy of state */
-static ssize_t max1363_show_scan_mode(struct device *dev,
-				      struct device_attribute *attr,
-				      char *buf)
-{
-	struct iio_dev *dev_info = dev_get_drvdata(dev);
-	struct max1363_state *st = dev_info->dev_data;
-
-	return sprintf(buf, "%s\n", st->current_mode->name);
-}
-
-static const struct max1363_mode
-*__max1363_find_mode_in_ci(const struct max1363_chip_info *info,
-				  const char *buf)
-{
-	int i;
-	for (i = 0; i <  info->num_modes; i++)
-		if (strcmp(max1363_mode_table[info->mode_list[i]].name, buf)
-		    == 0)
-			return &max1363_mode_table[info->mode_list[i]];
-	return NULL;
-}
-
-static ssize_t max1363_store_scan_mode(struct device *dev,
-				       struct device_attribute *attr,
-				       const char *buf,
-				       size_t len)
-{
-	struct iio_dev *dev_info = dev_get_drvdata(dev);
-	struct max1363_state *st = dev_info->dev_data;
-	const struct max1363_mode *new_mode;
-	int ret;
-
-	mutex_lock(&dev_info->mlock);
-	new_mode = NULL;
-	/* Avoid state changes if a ring buffer is enabled */
-	if (!iio_ring_enabled(dev_info)) {
-		new_mode
-			= __max1363_find_mode_in_ci(st->chip_info, buf);
-		if (!new_mode) {
-			ret = -EINVAL;
-			goto error_ret;
-		}
-		st->current_mode = new_mode;
-		ret =  max1363_set_scan_mode(st);
-		if (ret)
-			goto error_ret;
-	} else {
-		ret = -EBUSY;
-		goto error_ret;
-	}
-	mutex_unlock(&dev_info->mlock);
-
-	return len;
-
-error_ret:
-	mutex_unlock(&dev_info->mlock);
-
-	return ret;
-}
-
-IIO_DEV_ATTR_AVAIL_SCAN_MODES(max1363_show_av_scan_modes);
-IIO_DEV_ATTR_SCAN_MODE(S_IRUGO | S_IWUSR,
-		       max1363_show_scan_mode,
-		       max1363_store_scan_mode);
-
-IIO_DEV_ATTR_SCAN(max1363_scan);
-
-static ssize_t max1363_show_name(struct device *dev,
-				 struct device_attribute *attr,
-				 char *buf)
-{
-	struct iio_dev *dev_info = dev_get_drvdata(dev);
-	struct max1363_state *st = dev_info->dev_data;
-	return sprintf(buf, "%s\n", st->chip_info->name);
-}
-
-IIO_DEVICE_ATTR(name, S_IRUGO, max1363_show_name, NULL, 0);
-
-/*name export */
-
-static struct attribute *max1363_attributes[] = {
-	&iio_dev_attr_available_scan_modes.dev_attr.attr,
-	&iio_dev_attr_scan_mode.dev_attr.attr,
-	&iio_dev_attr_scan.dev_attr.attr,
-	&iio_dev_attr_name.dev_attr.attr,
-	NULL,
-};
-
-static const struct attribute_group max1363_attribute_group = {
-	.attrs = max1363_attributes,
-};
-
 static int __devinit max1363_probe(struct i2c_client *client,
 				   const struct i2c_device_id *id)
 {
@@ -506,6 +620,7 @@ static int __devinit max1363_probe(struct i2c_client *client,
 		ret = -ENODEV;
 		goto error_free_st;
 	}
+
 	st->reg = regulator_get(&client->dev, "vcc");
 	if (!IS_ERR(st->reg)) {
 		ret = regulator_enable(st->reg);
@@ -520,20 +635,36 @@ static int __devinit max1363_probe(struct i2c_client *client,
 		goto error_disable_reg;
 	}
 
+	st->indio_dev->available_scan_masks
+		= kzalloc(GFP_KERNEL,
+			sizeof(*st->indio_dev->available_scan_masks)*
+			(st->chip_info->num_modes + 1));
+	if (!st->indio_dev->available_scan_masks) {
+		ret = -ENOMEM;
+		goto error_free_device;
+	}
+
+	for (i = 0; i < st->chip_info->num_modes; i++)
+		st->indio_dev->available_scan_masks[i] =
+			max1363_mode_table[st->chip_info->mode_list[i]]
+			.modemask;
 	/* Estabilish that the iio_dev is a child of the i2c device */
 	st->indio_dev->dev.parent = &client->dev;
-	st->indio_dev->attrs = &max1363_attribute_group;
+	st->indio_dev->attrs = st->chip_info->dev_attrs;
+
+	/* Todo: this shouldn't be here. */
+	st->indio_dev->scan_el_attrs = st->chip_info->scan_attrs;
 	st->indio_dev->dev_data = (void *)(st);
 	st->indio_dev->driver_module = THIS_MODULE;
 	st->indio_dev->modes = INDIO_DIRECT_MODE;
 
 	ret = max1363_initial_setup(st);
 	if (ret)
-		goto error_free_device;
+		goto error_free_available_scan_masks;
 
 	ret = max1363_register_ring_funcs_and_init(st->indio_dev);
 	if (ret)
-		goto error_free_device;
+		goto error_free_available_scan_masks;
 
 	ret = iio_device_register(st->indio_dev);
 	if (ret)
@@ -545,6 +676,8 @@ static int __devinit max1363_probe(struct i2c_client *client,
 	return 0;
 error_cleanup_ring:
 	max1363_ring_cleanup(st->indio_dev);
+error_free_available_scan_masks:
+	kfree(st->indio_dev->available_scan_masks);
 error_free_device:
 	if (!regdone)
 		iio_free_device(st->indio_dev);
@@ -569,6 +702,7 @@ static int max1363_remove(struct i2c_client *client)
 	struct iio_dev *indio_dev = st->indio_dev;
 	max1363_uninitialize_ring(indio_dev->ring);
 	max1363_ring_cleanup(indio_dev);
+	kfree(st->indio_dev->available_scan_masks);
 	iio_device_unregister(indio_dev);
 	if (!IS_ERR(st->reg)) {
 		regulator_disable(st->reg);
diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c
index f94fe2d38a9..6003f7e10a6 100644
--- a/drivers/staging/iio/adc/max1363_ring.c
+++ b/drivers/staging/iio/adc/max1363_ring.c
@@ -17,6 +17,7 @@
 #include <linux/sysfs.h>
 #include <linux/list.h>
 #include <linux/i2c.h>
+#include <linux/bitops.h>
 
 #include "../iio.h"
 #include "../ring_generic.h"
@@ -26,32 +27,36 @@
 
 #include "max1363.h"
 
-ssize_t max1363_scan_from_ring(struct device *dev,
-			       struct device_attribute *attr,
-			       char *buf)
+/* Todo: test this */
+int max1363_single_channel_from_ring(long mask, struct max1363_state *st)
 {
-	struct iio_dev *dev_info = dev_get_drvdata(dev);
-	struct max1363_state *info = dev_info->dev_data;
-	int i, ret, len = 0;
-	char *ring_data;
+	unsigned long numvals;
+	int count = 0, ret;
+	u8 *ring_data;
+	if (!(st->current_mode->modemask & mask)) {
+		ret = -EBUSY;
+		goto error_ret;
+	}
+	numvals = hweight_long(st->current_mode->modemask);
 
-	ring_data = kmalloc(info->current_mode->numvals*2, GFP_KERNEL);
+	ring_data = kmalloc(numvals*2, GFP_KERNEL);
 	if (ring_data == NULL) {
 		ret = -ENOMEM;
 		goto error_ret;
 	}
-	ret = dev_info->ring->access.read_last(dev_info->ring, ring_data);
+	ret = st->indio_dev->ring->access.read_last(st->indio_dev->ring,
+						ring_data);
 	if (ret)
 		goto error_free_ring_data;
-	len += sprintf(buf+len, "ring ");
-	for (i = 0; i < info->current_mode->numvals; i++)
-		len += sprintf(buf + len, "%d ",
-			       ((int)(ring_data[i*2 + 0] & 0x0F) << 8)
-			       + ((int)(ring_data[i*2 + 1])));
-	len += sprintf(buf + len, "\n");
-	kfree(ring_data);
-
-	return len;
+	/* Need a count of channels prior to this one */
+	mask >>= 1;
+	while (mask) {
+		if (mask && st->current_mode->modemask)
+			count++;
+		mask >>= 1;
+	}
+	return ((int)(ring_data[count*2 + 0] & 0x0F) << 8)
+		+ (int)(ring_data[count*2 + 1]);
 
 error_free_ring_data:
 	kfree(ring_data);
@@ -70,9 +75,22 @@ static int max1363_ring_preenable(struct iio_dev *indio_dev)
 {
 	struct max1363_state *st = indio_dev->dev_data;
 	size_t d_size;
+	unsigned long numvals;
 
+	/*
+	 * Need to figure out the current mode based upon the requested
+	 * scan mask in iio_dev
+	 */
+	st->current_mode = max1363_match_mode(st->indio_dev->scan_mask,
+					st->chip_info);
+	if (!st->current_mode)
+		return -EINVAL;
+
+	max1363_set_scan_mode(st);
+
+	numvals = hweight_long(st->current_mode->modemask);
 	if (indio_dev->ring->access.set_bpd) {
-		d_size = st->current_mode->numvals*2 + sizeof(s64);
+		d_size = numvals*2 + sizeof(s64);
 		if (d_size % 8)
 			d_size += 8 - (d_size % 8);
 		indio_dev->ring->access.set_bpd(indio_dev->ring, d_size);
@@ -145,9 +163,10 @@ static void max1363_poll_bh_to_ring(struct work_struct *work_s)
 	__u8 *rxbuf;
 	int b_sent;
 	size_t d_size;
+	unsigned long numvals = hweight_long(st->current_mode->modemask);
 
 	/* Ensure the timestamp is 8 byte aligned */
-	d_size = st->current_mode->numvals*2 + sizeof(s64);
+	d_size = numvals*2 + sizeof(s64);
 	if (d_size % sizeof(s64))
 		d_size += sizeof(s64) - (d_size % sizeof(s64));
 
@@ -159,16 +178,14 @@ static void max1363_poll_bh_to_ring(struct work_struct *work_s)
 	 * might as well have this test in here in the meantime as it does
 	 * no harm.
 	 */
-	if (st->current_mode->numvals == 0)
+	if (numvals == 0)
 		return;
 
 	rxbuf = kmalloc(d_size,	GFP_KERNEL);
 	if (rxbuf == NULL)
 		return;
 
-	b_sent = i2c_master_recv(st->client,
-				 rxbuf,
-				 st->current_mode->numvals*2);
+	b_sent = i2c_master_recv(st->client, rxbuf, numvals*2);
 	if (b_sent < 0)
 		goto done;
 

From eaf86ff9390d4d9c34d88d75fc7bcb784afc697a Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:04 +0100
Subject: [PATCH 1135/3638] staging:iio: Documentation, update iio_utils.h for
 the move to a bus

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/Documentation/iio_utils.h | 31 ++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h
index 74d31247337..d24006aedd5 100644
--- a/drivers/staging/iio/Documentation/iio_utils.h
+++ b/drivers/staging/iio/Documentation/iio_utils.h
@@ -47,7 +47,7 @@ inline char *find_ring_subelement(const char *directory, const char *subelement)
 
 char *find_type_by_name(const char *name, const char *type)
 {
-	const char *iio_dir = "/sys/class/iio/";
+	const char *iio_dir = "/sys/bus/iio/devices/";
 	const struct dirent *ent;
 	int cnt, pos, pos2;
 
@@ -112,6 +112,35 @@ int write_sysfs_int(char *filename, char *basedir, int val)
 	return 0;
 }
 
+int write_sysfs_int_and_verify(char *filename, char *basedir, int val)
+{
+	int ret;
+	FILE  *sysfsfp;
+	char temp[100];
+	int test;
+
+	sprintf(temp, "%s%s", basedir, filename);
+	sysfsfp = fopen(temp, "w");
+	if (sysfsfp == NULL)
+		return -1;
+	fprintf(sysfsfp, "%d", val);
+	fclose(sysfsfp);
+
+	sysfsfp = fopen(temp, "r");
+	if (sysfsfp == NULL)
+		return -1;
+	fscanf(sysfsfp, "%d", &test);
+	if (test != val) {
+		printf("Possible failure in int write %d to %s%s\n",
+		       val,
+		       basedir,
+		       filename);
+		return -1;
+	}
+
+	return 0;
+}
+
 /**
  * write_sysfs_string_and_verify() - string write, readback and verify
  * @filename: name of file to write to

From e34d2c5fa2254197b0a01925cc6f77e12552f9b9 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:05 +0100
Subject: [PATCH 1136/3638] staging:iio: ABI documentation (partial)

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../staging/iio/Documentation/sysfs-class-iio | 285 ++++++++++++++++++
 1 file changed, 285 insertions(+)
 create mode 100644 drivers/staging/iio/Documentation/sysfs-class-iio

diff --git a/drivers/staging/iio/Documentation/sysfs-class-iio b/drivers/staging/iio/Documentation/sysfs-class-iio
new file mode 100644
index 00000000000..72385821578
--- /dev/null
+++ b/drivers/staging/iio/Documentation/sysfs-class-iio
@@ -0,0 +1,285 @@
+
+What:		/sys/bus/iio/devices/device[n]
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Hardware chip or device accessed by on communication port.
+		Corresponds to a grouping of sensor channels.
+
+What:		/sys/bus/iio/devices/trigger[n]
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		An event driven driver of data capture to an in kernel buffer.
+		May be provided by a device driver that also has an IIO device
+		based on hardware generated events (e.g. data ready) or
+		provided by a separate driver for other hardware (e.g.
+		periodic timer, gpio or high resolution timer).
+		Contains trigger type specific elements. These do not
+		generalize well and hence are not documented in this file.
+
+What:		/sys/bus/iio/devices/device[n]:buffer
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+	        Link to /sys/class/iio/device[n]/device[n]:buffer. n indicates the
+		device with which this buffer buffer is associated.
+
+What:		/sys/.../device[n]/name
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Description of the physical chip / device. Typically a part
+		number.
+
+What:		/sys/.../device[n]/sampling_frequency
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Some devices have internal clocks.  This parameter sets the
+		resulting sampling frequency.  In many devices this
+		parameter has an effect on input filters etc rather than
+		simply controlling when the input is sampled.  As this
+		effects datardy triggers, hardware buffers and the sysfs
+		direct access interfaces, it may be found in any of the
+		relevant directories.  If it effects all of the above
+		then it is to be found in the base device directory as here.
+
+What:		/sys/.../device[n]/sampling_frequency_available
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		When the internal sampling clock can only take a small
+		discrete set of values, this file lists those availale.
+
+What:		/sys/.../device[n]/in[_name][m]_raw
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Raw (unscaled no bias removal etc) voltage measurement from
+		channel m. name is used in special cases where this does
+		not correspond to externally available input (e.g. supply
+		voltage monitoring in which case the file is in_supply_raw).
+
+What:		/sys/.../device[n]/in[_name][m]_offset
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		If known for a device, offset to be added to in[m]_raw prior
+		to scaling by volt[m]_scale in order to obtain voltage in
+		millivolts.  Not present if the offset is always 0 or unknown.
+		If m is not present, then voltage offset applies to all in
+		channels. May be writable if a variable offset is controlled
+		by the device. Note that this is different to calibbias which
+		is for devices that apply offsets to compensate for variation
+		between different instances of the part, typically adjusted by
+		using some hardware supported calibration procedure.
+
+What:		/sys/.../device[n]/in[_name][m]_offset_available
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		If a small number of discrete offset values are available, this
+		will be a space separated list.  If these are independant (but
+		options the same) for individual offsets then m should not be
+		present.
+
+What:		/sys/.../device[n]/in[_name][m]_offset_[min|max]
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		If a more or less continuous range of voltage offsets are supported
+		then these specify the minimum and maximum.  If shared by all
+		in channels then m is not present.
+
+What:		/sys/.../device[n]/in[_name][m]_calibbias
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Hardware applied calibration offset. (assumed to fix production
+		inaccuracies)
+
+What		/sys/.../device[n]/in[_name][m]_calibscale
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Hardware applied calibration scale factor. (assumed to fix production
+		inaccuracies)
+
+What:		/sys/.../device[n]/in[_name][m]_scale
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		If known for a device, scale to be applied to volt[m]_raw post
+		addition of volt[m]_offset in order to obtain the measured voltage
+		in millivolts.  If shared across all in channels then m is not present.
+
+What:		/sys/.../device[n]/in[m]-in[o]_raw
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Raw (unscaled) differential voltage measurement equivalent to
+		channel m - channel o where these channel numbers apply to the physically
+		equivalent inputs when non differential readings are separately available.
+		In differential only parts, then all that is required is a consistent
+		labelling.
+
+What:		/sys/.../device[n]/accel[_x|_y|_z][m]_raw
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Acceleration in direction x, y or z (may be arbitrarily assigned
+		but should match other such assignments on device)
+		channel m (not present if only one accelerometer channel at
+		this orientation). Has all of the equivalent parameters as per in[m].
+		Units after application of scale and offset are m/s^2.
+
+What:		/sys/.../device[n]/gyro[_x|_y|_z][m]_raw
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Angular velocity about axis x, y or z (may be arbitrarily assigned)
+		channel m (not present if only one gyroscope at this orientation).
+		Data converted by application of offset then scale to
+		radians per second. Has all the equivalent parameters as per in[m].
+
+What:		/sys/.../device[n]/mag[_x|_y|_z][m]_raw
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Magnetic field along axis x, y or z (may be arbitrarily assigned)
+		channel m (not present if only one magnetometer at this orientation).
+		Data converted by application of offset then scale to Gauss
+		Has all the equivalent modifiers as per in[m].
+
+What:		/sys/.../device[n]/device[n]:event[m]
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Configuration of which hardware generated events are passed up to
+		userspace. Some of these are a bit complex to generalize so this
+		section is a work in progress.
+
+What:		/sys/.../device[n]:event[m]/dev
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		major:minor character device numbers for the event line.
+
+Taking accel_x0 as an example
+
+What:		/sys/.../device[n]:event[m]/accel_x0_thresh[_high|_low]_en
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Event generated when accel_x0 passes a threshold in correction direction
+		(or stays beyond one). If direction isn't specified, either triggers it.
+		Note driver will assume last p events requested are enabled where p is
+		however many it supports.  So if you want to be sure you have
+		set what you think you have, check the contents of these. Drivers
+		may have to buffer any parameters so that they are consistent when a
+		given event type is enabled a future point (and not those for whatever
+		alarm was previously enabled).
+
+What:		/sys/.../device[n]:event[m]/accel_x0_roc[_high|_low]_en
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Same as above but based on the first differential of the value.
+
+
+What:		/sys/.../device[n]:event[m]/accel_x0[_thresh|_roc][_high|_low]_period
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		A period of time (microsecs) for which the condition must be broken
+		before an interrupt is triggered. Applies to all alarms if type is not
+		specified.
+
+What:		/sys/.../device[n]:event[m]/accel_x0[_thresh|_roc][_high|_low]_value
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		The actual value of the threshold in raw device units obtained by
+		 reverse application of scale and offfset to the acceleration in m/s^2.
+
+What:		/sys/.../device[n]/scan_elements
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Directory containing interfaces for elements that will be captured
+		for a single triggered sample set in the buffer.
+
+What:		/sys/.../device[n]/scan_elements/[m]_accel_x0_en
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Scan element control for triggered data capture. m implies the
+		ordering within the buffer. Next the type is specified with
+		modifier and channel number as per the sysfs single channel
+		access above.
+
+What:		/sys/.../device[n]/scan_elements/accel[_x0]_precision
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Scan element precision within the buffer. Note that the
+		data alignment must restrictions must be read from within
+		buffer to work out full data alignment for data read
+		via buffer_access chrdev. _x0 dropped if shared across all
+		acceleration channels.
+
+What:		/sys/.../device[n]/scan_elements/accel[_x0]_shift
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		A bit shift (to right) that must be applied prior to
+		extracting the bits specified by accel[_x0]_precision.
+
+What:		/sys/.../device[n]/device[n]:buffer:event/dev
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Buffer for device n event character device major:minor numbers.
+
+What:		/sys/.../device[n]/device[n]:buffer:access/dev
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Buffer for device n access character device o major:minor numbers.
+
+What:		/sys/.../device[n]:buffer/trigger
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		The name of the trigger source being used, as per string given
+		in /sys/class/iio/trigger[n]/name.
+
+What:		/sys/.../device[n]:buffer/length
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Number of scans contained by the buffer.
+
+What:		/sys/.../device[n]:buffer/bps
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Bytes per scan.  Due to alignment fun, the scan may be larger
+		than implied directly by the scan_element parameters.
+
+What:		/sys/.../device[n]:buffer/enable
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Actually start the buffer capture up.  Will start trigger
+		if first device and appropriate.
+
+What:		/sys/.../device[n]:buffer/alignment
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Minimum data alignment.  Scan elements larger than this are aligned
+		to the nearest power of 2 times this.  (may not be true in weird
+		hardware buffers that pack data well)
+

From ba5c6fbac6682240ac209a209b88a30be4a464fb Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:06 +0100
Subject: [PATCH 1137/3638] staging:iio: Directory name changes to match new
 ABI.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/chrdev.h            |  2 +-
 drivers/staging/iio/industrialio-core.c |  5 +++--
 drivers/staging/iio/industrialio-ring.c | 13 +++++++++----
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/iio/chrdev.h b/drivers/staging/iio/chrdev.h
index f42bafb3a89..3f96f8696a4 100644
--- a/drivers/staging/iio/chrdev.h
+++ b/drivers/staging/iio/chrdev.h
@@ -94,7 +94,7 @@ struct iio_event_interface {
 	struct iio_chrdev_minor_attr		attr;
 	struct module				*owner;
 	void					*private;
-	char					_name[20];
+	char					_name[35];
 	char					_attrname[20];
 };
 
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index a4ce2215e54..c55d0f3d435 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -660,8 +660,9 @@ static int iio_device_register_eventset(struct iio_dev *dev_info)
 			dev_info->event_interfaces[i].id = ret;
 
 		snprintf(dev_info->event_interfaces[i]._name, 20,
-			 "event_line%d",
-			dev_info->event_interfaces[i].id);
+			 "%s:event%d",
+			 dev_name(&dev_info->dev),
+			 dev_info->event_interfaces[i].id);
 
 		ret = iio_setup_ev_int(&dev_info->event_interfaces[i],
 				       (const char *)(dev_info
diff --git a/drivers/staging/iio/industrialio-ring.c b/drivers/staging/iio/industrialio-ring.c
index 690df91020e..0f19bd1b576 100644
--- a/drivers/staging/iio/industrialio-ring.c
+++ b/drivers/staging/iio/industrialio-ring.c
@@ -164,8 +164,9 @@ __iio_request_ring_buffer_event_chrdev(struct iio_ring_buffer *buf,
 	else
 		buf->ev_int.id = ret;
 
-	snprintf(buf->ev_int._name, 20,
-		 "ring_event_line%d",
+	snprintf(buf->ev_int._name, sizeof(buf->ev_int._name),
+		 "%s:event%d",
+		 dev_name(&buf->dev),
 		 buf->ev_int.id);
 	ret = iio_setup_ev_int(&(buf->ev_int),
 			       buf->ev_int._name,
@@ -226,7 +227,9 @@ __iio_request_ring_buffer_access_chrdev(struct iio_ring_buffer *buf,
 		goto error_device_put;
 	else
 		buf->access_id = ret;
-	dev_set_name(&buf->access_dev, "ring_access%d", buf->access_id);
+	dev_set_name(&buf->access_dev, "%s:access%d",
+		     dev_name(&buf->dev),
+		     buf->access_id);
 	ret = device_add(&buf->access_dev);
 	if (ret < 0) {
 		printk(KERN_ERR "failed to add the ring access dev\n");
@@ -280,7 +283,9 @@ int iio_ring_buffer_register(struct iio_ring_buffer *ring)
 	else
 		ring->id = ret;
 
-	dev_set_name(&ring->dev, "ring_buffer%d", ring->id);
+	dev_set_name(&ring->dev, "%s:buffer%d",
+		     dev_name(ring->dev.parent),
+		     ring->id);
 	ret = device_add(&ring->dev);
 	if (ret)
 		goto error_free_id;

From 2a6a255494605f5906222687fba5b45c03594d71 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:07 +0100
Subject: [PATCH 1138/3638] staging:iio:tsl2563: change lux to
 illuminance0_input to match new abi

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/light/tsl2563.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c
index 1ba4aa392f6..911c898c30e 100644
--- a/drivers/staging/iio/light/tsl2563.c
+++ b/drivers/staging/iio/light/tsl2563.c
@@ -592,7 +592,7 @@ static ssize_t tsl2563_calib1_store(struct device *dev,
  * once I understand what they mean */
 static DEVICE_ATTR(adc0, S_IRUGO, tsl2563_adc0_show, NULL);
 static DEVICE_ATTR(adc1, S_IRUGO, tsl2563_adc1_show, NULL);
-static DEVICE_ATTR(lux, S_IRUGO, tsl2563_lux_show, NULL);
+static DEVICE_ATTR(illuminance0_input, S_IRUGO, tsl2563_lux_show, NULL);
 static DEVICE_ATTR(calib0, S_IRUGO | S_IWUSR,
 		   tsl2563_calib0_show, tsl2563_calib0_store);
 static DEVICE_ATTR(calib1, S_IRUGO | S_IWUSR,
@@ -601,7 +601,7 @@ static DEVICE_ATTR(calib1, S_IRUGO | S_IWUSR,
 static struct attribute *tsl2563_attributes[] = {
 	&dev_attr_adc0.attr,
 	&dev_attr_adc1.attr,
-	&dev_attr_lux.attr,
+	&dev_attr_illuminance0_input.attr,
 	&dev_attr_calib0.attr,
 	&dev_attr_calib1.attr,
 	NULL

From 758d988ce089ac7345bc03a9116b5ebf10dbfa9e Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:08 +0100
Subject: [PATCH 1139/3638] staging:iio: Remove naming via IDR's where no
 longer necessary under new abi.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/lis3l02dq_ring.c |  2 +-
 drivers/staging/iio/accel/sca3000_core.c   |  2 +-
 drivers/staging/iio/adc/max1363_ring.c     |  2 +-
 drivers/staging/iio/industrialio-ring.c    | 48 ++++++----------------
 drivers/staging/iio/ring_generic.h         |  2 +-
 5 files changed, 16 insertions(+), 40 deletions(-)

diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index bba4b0925ac..7617da81871 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -581,7 +581,7 @@ error_iio_sw_rb_free:
 
 int lis3l02dq_initialize_ring(struct iio_ring_buffer *ring)
 {
-	return iio_ring_buffer_register(ring);
+	return iio_ring_buffer_register(ring, 0);
 }
 
 void lis3l02dq_uninitialize_ring(struct iio_ring_buffer *ring)
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index 45e47776d91..9485b132f6d 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -1338,7 +1338,7 @@ static int __devinit __sca3000_probe(struct spi_device *spi,
 	if (ret < 0)
 		goto error_free_dev;
 	regdone = 1;
-	ret = iio_ring_buffer_register(st->indio_dev->ring);
+	ret = iio_ring_buffer_register(st->indio_dev->ring, 0);
 	if (ret < 0)
 		goto error_unregister_dev;
 	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) {
diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c
index 6003f7e10a6..f1e37f2cf4e 100644
--- a/drivers/staging/iio/adc/max1363_ring.c
+++ b/drivers/staging/iio/adc/max1363_ring.c
@@ -255,5 +255,5 @@ void max1363_uninitialize_ring(struct iio_ring_buffer *ring)
 
 int max1363_initialize_ring(struct iio_ring_buffer *ring)
 {
-	return iio_ring_buffer_register(ring);
+	return iio_ring_buffer_register(ring, 0);
 };
diff --git a/drivers/staging/iio/industrialio-ring.c b/drivers/staging/iio/industrialio-ring.c
index 0f19bd1b576..fc27d22a7ab 100644
--- a/drivers/staging/iio/industrialio-ring.c
+++ b/drivers/staging/iio/industrialio-ring.c
@@ -20,19 +20,11 @@
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/cdev.h>
-#include <linux/idr.h>
 #include <linux/slab.h>
 
 #include "iio.h"
 #include "ring_generic.h"
 
-/* IDR for ring buffer identifier */
-static DEFINE_IDR(iio_ring_idr);
-/* IDR for ring event identifier */
-static DEFINE_IDR(iio_ring_event_idr);
-/* IDR for ring access identifier */
-static DEFINE_IDR(iio_ring_access_idr);
-
 int iio_push_ring_event(struct iio_ring_buffer *ring_buf,
 		       int event_code,
 		       s64 timestamp)
@@ -158,11 +150,8 @@ __iio_request_ring_buffer_event_chrdev(struct iio_ring_buffer *buf,
 				       struct device *dev)
 {
 	int ret;
-	ret = iio_get_new_idr_val(&iio_ring_event_idr);
-	if (ret < 0)
-		goto error_ret;
-	else
-		buf->ev_int.id = ret;
+
+	buf->ev_int.id = id;
 
 	snprintf(buf->ev_int._name, sizeof(buf->ev_int._name),
 		 "%s:event%d",
@@ -173,11 +162,9 @@ __iio_request_ring_buffer_event_chrdev(struct iio_ring_buffer *buf,
 			       owner,
 			       dev);
 	if (ret)
-		goto error_free_id;
+		goto error_ret;
 	return 0;
 
-error_free_id:
-	iio_free_idr_val(&iio_ring_event_idr, buf->ev_int.id);
 error_ret:
 	return ret;
 }
@@ -186,7 +173,6 @@ static inline void
 __iio_free_ring_buffer_event_chrdev(struct iio_ring_buffer *buf)
 {
 	iio_free_ev_int(&(buf->ev_int));
-	iio_free_idr_val(&iio_ring_event_idr, buf->ev_int.id);
 }
 
 static void iio_ring_access_release(struct device *dev)
@@ -222,18 +208,16 @@ __iio_request_ring_buffer_access_chrdev(struct iio_ring_buffer *buf,
 	}
 	buf->access_dev.devt = MKDEV(MAJOR(iio_devt), minor);
 
-	ret = iio_get_new_idr_val(&iio_ring_access_idr);
-	if (ret < 0)
-		goto error_device_put;
-	else
-		buf->access_id = ret;
+
+	buf->access_id = id;
+
 	dev_set_name(&buf->access_dev, "%s:access%d",
 		     dev_name(&buf->dev),
 		     buf->access_id);
 	ret = device_add(&buf->access_dev);
 	if (ret < 0) {
 		printk(KERN_ERR "failed to add the ring access dev\n");
-		goto error_free_idr;
+		goto error_device_put;
 	}
 
 	cdev_init(&buf->access_handler.chrdev, &iio_ring_fileops);
@@ -245,10 +229,9 @@ __iio_request_ring_buffer_access_chrdev(struct iio_ring_buffer *buf,
 		goto error_device_unregister;
 	}
 	return 0;
+
 error_device_unregister:
 	device_unregister(&buf->access_dev);
-error_free_idr:
-	iio_free_idr_val(&iio_ring_access_idr, buf->access_id);
 error_device_put:
 	put_device(&buf->access_dev);
 
@@ -257,7 +240,6 @@ error_device_put:
 
 static void __iio_free_ring_buffer_access_chrdev(struct iio_ring_buffer *buf)
 {
-	iio_free_idr_val(&iio_ring_access_idr, buf->access_id);
 	device_unregister(&buf->access_dev);
 }
 
@@ -274,21 +256,18 @@ void iio_ring_buffer_init(struct iio_ring_buffer *ring,
 }
 EXPORT_SYMBOL(iio_ring_buffer_init);
 
-int iio_ring_buffer_register(struct iio_ring_buffer *ring)
+int iio_ring_buffer_register(struct iio_ring_buffer *ring, int id)
 {
 	int ret;
-	ret = iio_get_new_idr_val(&iio_ring_idr);
-	if (ret < 0)
-		goto error_ret;
-	else
-		ring->id = ret;
+
+	ring->id = id;
 
 	dev_set_name(&ring->dev, "%s:buffer%d",
 		     dev_name(ring->dev.parent),
 		     ring->id);
 	ret = device_add(&ring->dev);
 	if (ret)
-		goto error_free_id;
+		goto error_ret;
 
 	ret = __iio_request_ring_buffer_event_chrdev(ring,
 						     0,
@@ -309,8 +288,6 @@ error_free_ring_buffer_event_chrdev:
 	__iio_free_ring_buffer_event_chrdev(ring);
 error_remove_device:
 	device_del(&ring->dev);
-error_free_id:
-	iio_free_idr_val(&iio_ring_idr, ring->id);
 error_ret:
 	return ret;
 }
@@ -321,7 +298,6 @@ void iio_ring_buffer_unregister(struct iio_ring_buffer *ring)
 	__iio_free_ring_buffer_access_chrdev(ring);
 	__iio_free_ring_buffer_event_chrdev(ring);
 	device_del(&ring->dev);
-	iio_free_idr_val(&iio_ring_idr, ring->id);
 }
 EXPORT_SYMBOL(iio_ring_buffer_unregister);
 
diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h
index d74b5aea011..0e443757b02 100644
--- a/drivers/staging/iio/ring_generic.h
+++ b/drivers/staging/iio/ring_generic.h
@@ -259,7 +259,7 @@ static inline void iio_put_ring_buffer(struct iio_ring_buffer *ring)
 	container_of(d, struct iio_ring_buffer, dev)
 #define access_dev_to_iio_ring_buffer(d)			\
 	container_of(d, struct iio_ring_buffer, access_dev)
-int iio_ring_buffer_register(struct iio_ring_buffer *ring);
+int iio_ring_buffer_register(struct iio_ring_buffer *ring, int id);
 void iio_ring_buffer_unregister(struct iio_ring_buffer *ring);
 
 ssize_t iio_read_ring_length(struct device *dev,

From c3fa0fddd6fed10eda57de8912a634890ee27a31 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:09 +0100
Subject: [PATCH 1140/3638] staging:iio:max1363 add support for
 max11606-max11617

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/adc/Kconfig        |   4 +-
 drivers/staging/iio/adc/max1363_core.c | 216 ++++++++++++++++++++++++-
 2 files changed, 218 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index 101ea4bc237..afc8318a96d 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -12,7 +12,9 @@ config MAX1363
 	  Say yes here to build support for many MAXIM i2c analog to digital
 	  convertors (ADC). (max1361, max1362, max1363, max1364, max1136,
 	  max1136, max1137, max1138, max1139, max1236, max1237, max11238,
-	  max1239) Provides direct access via sysfs.
+	  max1239, max11606, max11607, max11608, max11609, max11610,
+	  max11611, max11612, max11613, max11614, max11615, max11616,
+	  max11617) Provides direct access via sysfs.
 
 config MAX1363_RING_BUFFER
 	bool "MAXIM max1363: use ring buffer"
diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c
index e82f3e78a1c..c53bf6d8410 100644
--- a/drivers/staging/iio/adc/max1363_core.c
+++ b/drivers/staging/iio/adc/max1363_core.c
@@ -434,6 +434,76 @@ static struct attribute_group max1238_scan_el_group = {
 	.attrs = max1238_scan_el_attrs,
 };
 
+
+static const enum max1363_modes max11607_mode_list[] = {
+	_s0, _s1, _s2, _s3,
+	s0to1, s0to2, s0to3,
+	s2to3,
+	d0m1, d2m3, d1m0, d3m2,
+	d0m1to2m3, d1m0to3m2,
+};
+
+static const enum max1363_modes max11608_mode_list[] = {
+	_s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7,
+	s0to1, s0to2, s0to3, s0to4, s0to5, s0to6, s0to7,
+	s6to7,
+	d0m1, d2m3, d4m5, d6m7,
+	d1m0, d3m2, d5m4, d7m6,
+	d0m1to2m3, d0m1to4m5, d0m1to6m7,
+	d1m0to3m2, d1m0to5m4, d1m0to7m6,
+};
+
+static struct attribute *max11608_device_attrs[] = {
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_dev_attr_in1_raw.dev_attr.attr,
+	&iio_dev_attr_in2_raw.dev_attr.attr,
+	&iio_dev_attr_in3_raw.dev_attr.attr,
+	&iio_dev_attr_in4_raw.dev_attr.attr,
+	&iio_dev_attr_in5_raw.dev_attr.attr,
+	&iio_dev_attr_in6_raw.dev_attr.attr,
+	&iio_dev_attr_in7_raw.dev_attr.attr,
+	&iio_dev_attr_in0min1_raw.dev_attr.attr,
+	&iio_dev_attr_in2min3_raw.dev_attr.attr,
+	&iio_dev_attr_in4min5_raw.dev_attr.attr,
+	&iio_dev_attr_in6min7_raw.dev_attr.attr,
+	&iio_dev_attr_in1min0_raw.dev_attr.attr,
+	&iio_dev_attr_in3min2_raw.dev_attr.attr,
+	&iio_dev_attr_in5min4_raw.dev_attr.attr,
+	&iio_dev_attr_in7min6_raw.dev_attr.attr,
+	&iio_dev_attr_name.dev_attr.attr,
+	&iio_dev_attr_in_scale.dev_attr.attr,
+	NULL
+};
+
+static struct attribute_group max11608_dev_attr_group = {
+	.attrs = max11608_device_attrs,
+};
+
+static struct attribute *max11608_scan_el_attrs[] = {
+	&iio_scan_el_in0.dev_attr.attr,
+	&iio_scan_el_in1.dev_attr.attr,
+	&iio_scan_el_in2.dev_attr.attr,
+	&iio_scan_el_in3.dev_attr.attr,
+	&iio_scan_el_in4.dev_attr.attr,
+	&iio_scan_el_in5.dev_attr.attr,
+	&iio_scan_el_in6.dev_attr.attr,
+	&iio_scan_el_in7.dev_attr.attr,
+	&iio_scan_el_in0min1.dev_attr.attr,
+	&iio_scan_el_in2min3.dev_attr.attr,
+	&iio_scan_el_in4min5.dev_attr.attr,
+	&iio_scan_el_in6min7.dev_attr.attr,
+	&iio_scan_el_in1min0.dev_attr.attr,
+	&iio_scan_el_in3min2.dev_attr.attr,
+	&iio_scan_el_in5min4.dev_attr.attr,
+	&iio_scan_el_in7min6.dev_attr.attr,
+	&iio_dev_attr_in_precision.dev_attr.attr,
+};
+
+static struct attribute_group max11608_scan_el_group = {
+	.name = "scan_elements",
+	.attrs = max11608_scan_el_attrs,
+};
+
 enum { max1361,
        max1362,
        max1363,
@@ -446,6 +516,18 @@ enum { max1361,
        max1237,
        max1238,
        max1239,
+       max11606,
+       max11607,
+       max11608,
+       max11609,
+       max11610,
+       max11611,
+       max11612,
+       max11613,
+       max11614,
+       max11615,
+       max11616,
+       max11617,
 };
 
 /* max1363 and max1368 tested - rest from data sheet */
@@ -574,7 +656,127 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = {
 		.default_mode = s0to11,
 		.dev_attrs = &max1238_dev_attr_group,
 		.scan_attrs = &max1238_scan_el_group,
-	},
+	}, {
+		.name = "max11606",
+		.num_inputs = 4,
+		.bits = 10,
+		.int_vref_mv = 4096,
+		.mode_list = max11607_mode_list,
+		.num_modes = ARRAY_SIZE(max11607_mode_list),
+		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max11607",
+		.num_inputs = 4,
+		.bits = 10,
+		.int_vref_mv = 2048,
+		.mode_list = max11607_mode_list,
+		.num_modes = ARRAY_SIZE(max11607_mode_list),
+		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max11608",
+		.num_inputs = 8,
+		.bits = 10,
+		.int_vref_mv = 4096,
+		.mode_list = max11608_mode_list,
+		.num_modes = ARRAY_SIZE(max11608_mode_list),
+		.default_mode = s0to7,
+		.dev_attrs = &max11608_dev_attr_group,
+		.scan_attrs = &max11608_scan_el_group,
+	}, {
+		.name = "max11609",
+		.num_inputs = 8,
+		.bits = 10,
+		.int_vref_mv = 2048,
+		.mode_list = max11608_mode_list,
+		.num_modes = ARRAY_SIZE(max11608_mode_list),
+		.default_mode = s0to7,
+		.dev_attrs = &max11608_dev_attr_group,
+		.scan_attrs = &max11608_scan_el_group,
+	}, {
+		.name = "max11610",
+		.num_inputs = 12,
+		.bits = 10,
+		.int_vref_mv = 4098,
+		.mode_list = max1238_mode_list,
+		.num_modes = ARRAY_SIZE(max1238_mode_list),
+		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
+	}, {
+		.name = "max11611",
+		.num_inputs = 12,
+		.bits = 10,
+		.int_vref_mv = 2048,
+		.mode_list = max1238_mode_list,
+		.num_modes = ARRAY_SIZE(max1238_mode_list),
+		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
+	}, {
+		.name = "max11612",
+		.num_inputs = 4,
+		.bits = 12,
+		.int_vref_mv = 4096,
+		.mode_list = max11607_mode_list,
+		.num_modes = ARRAY_SIZE(max11607_mode_list),
+		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max11613",
+		.num_inputs = 4,
+		.bits = 12,
+		.int_vref_mv = 2048,
+		.mode_list = max11607_mode_list,
+		.num_modes = ARRAY_SIZE(max11607_mode_list),
+		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max11614",
+		.num_inputs = 8,
+		.bits = 12,
+		.int_vref_mv = 4096,
+		.mode_list = max11608_mode_list,
+		.num_modes = ARRAY_SIZE(max11608_mode_list),
+		.default_mode = s0to7,
+		.dev_attrs = &max11608_dev_attr_group,
+		.scan_attrs = &max11608_scan_el_group,
+	}, {
+		.name = "max11615",
+		.num_inputs = 8,
+		.bits = 12,
+		.int_vref_mv = 2048,
+		.mode_list = max11608_mode_list,
+		.num_modes = ARRAY_SIZE(max11608_mode_list),
+		.default_mode = s0to7,
+		.dev_attrs = &max11608_dev_attr_group,
+		.scan_attrs = &max11608_scan_el_group,
+	}, {
+		.name = "max11616",
+		.num_inputs = 12,
+		.bits = 12,
+		.int_vref_mv = 4098,
+		.mode_list = max1238_mode_list,
+		.num_modes = ARRAY_SIZE(max1238_mode_list),
+		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
+	}, {
+		.name = "max11617",
+		.num_inputs = 12,
+		.bits = 12,
+		.int_vref_mv = 2048,
+		.mode_list = max1238_mode_list,
+		.num_modes = ARRAY_SIZE(max1238_mode_list),
+		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
+	}
 };
 
 static int max1363_initial_setup(struct max1363_state *st)
@@ -726,6 +928,18 @@ static const struct i2c_device_id max1363_id[] = {
 	{ "max1237", max1237 },
 	{ "max1238", max1238 },
 	{ "max1239", max1239 },
+	{ "max11606", max11606 },
+	{ "max11607", max11607 },
+	{ "max11608", max11608 },
+	{ "max11609", max11609 },
+	{ "max11610", max11610 },
+	{ "max11611", max11611 },
+	{ "max11612", max11612 },
+	{ "max11613", max11613 },
+	{ "max11614", max11614 },
+	{ "max11615", max11615 },
+	{ "max11616", max11616 },
+	{ "max11617", max11617 },
 	{}
 };
 

From 3bf877c1cc0d17ef471f21ae319fcb9c9211df61 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:10 +0100
Subject: [PATCH 1141/3638] staging:iio:max1363 add support for 8 bit
 equivalent devices, max1036-9, max11600-5

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/adc/Kconfig        |  12 ++-
 drivers/staging/iio/adc/max1363_core.c | 143 +++++++++++++++++++++++--
 drivers/staging/iio/adc/max1363_ring.c |  23 ++--
 3 files changed, 161 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index afc8318a96d..0835fbc86c2 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -10,11 +10,13 @@ config MAX1363
 	select MAX1363_RING_BUFFER
 	help
 	  Say yes here to build support for many MAXIM i2c analog to digital
-	  convertors (ADC). (max1361, max1362, max1363, max1364, max1136,
-	  max1136, max1137, max1138, max1139, max1236, max1237, max11238,
-	  max1239, max11606, max11607, max11608, max11609, max11610,
-	  max11611, max11612, max11613, max11614, max11615, max11616,
-	  max11617) Provides direct access via sysfs.
+	  convertors (ADC). (max1361, max1362, max1363, max1364, max1036,
+	  max1037, max1038, max1039, max1136, max1136, max1137, max1138,
+	  max1139, max1236, max1237, max11238, max1239, max11600, max11601,
+	  max11602, max11603, max11604, max11605, max11606, max11607,
+	  max11608, max11609, max11610, max11611, max11612, max11613,
+	  max11614, max11615, max11616, max11617) Provides direct access
+	  via sysfs.
 
 config MAX1363_RING_BUFFER
 	bool "MAXIM max1363: use ring buffer"
diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c
index c53bf6d8410..fa91cc14c64 100644
--- a/drivers/staging/iio/adc/max1363_core.c
+++ b/drivers/staging/iio/adc/max1363_core.c
@@ -226,13 +226,24 @@ static ssize_t max1363_read_single_channel(struct device *dev,
 			if (ret)
 				goto error_ret;
 		}
-		/* Get reading */
-		data = i2c_master_recv(client, rxbuf, 2);
-		if (data < 0) {
-			ret = data;
-			goto error_ret;
+		if (st->chip_info->bits != 8) {
+			/* Get reading */
+			data = i2c_master_recv(client, rxbuf, 2);
+			if (data < 0) {
+				ret = data;
+				goto error_ret;
+			}
+
+			data = (s32)(rxbuf[1]) | ((s32)(rxbuf[0] & 0x0F)) << 8;
+		} else {
+			/* Get reading */
+			data = i2c_master_recv(client, rxbuf, 1);
+			if (data < 0) {
+				ret = data;
+				goto error_ret;
+			}
+			data = rxbuf[0];
 		}
-		data = (s32)(rxbuf[1]) | ((s32)(rxbuf[0] & 0x0F)) << 8;
 	}
 	/* Pretty print the result */
 	len = sprintf(buf, "%u\n", data);
@@ -508,6 +519,10 @@ enum { max1361,
        max1362,
        max1363,
        max1364,
+       max1036,
+       max1037,
+       max1038,
+       max1039,
        max1136,
        max1137,
        max1138,
@@ -516,6 +531,12 @@ enum { max1361,
        max1237,
        max1238,
        max1239,
+       max11600,
+       max11601,
+       max11602,
+       max11603,
+       max11604,
+       max11605,
        max11606,
        max11607,
        max11608,
@@ -576,6 +597,46 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = {
 		.default_mode = s0to3,
 		.dev_attrs = &max1363_dev_attr_group,
 		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max1036",
+		.num_inputs = 4,
+		.bits = 8,
+		.int_vref_mv = 4096,
+		.mode_list = max1236_mode_list,
+		.num_modes = ARRAY_SIZE(max1236_mode_list),
+		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max1037",
+		.num_inputs = 4,
+		.bits = 8,
+		.int_vref_mv = 2048,
+		.mode_list = max1236_mode_list,
+		.num_modes = ARRAY_SIZE(max1236_mode_list),
+		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max1038",
+		.num_inputs = 12,
+		.bits = 8,
+		.int_vref_mv = 4096,
+		.mode_list = max1238_mode_list,
+		.num_modes = ARRAY_SIZE(max1238_mode_list),
+		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
+	}, {
+		.name = "max1039",
+		.num_inputs = 12,
+		.bits = 8,
+		.int_vref_mv = 2048,
+		.mode_list = max1238_mode_list,
+		.num_modes = ARRAY_SIZE(max1238_mode_list),
+		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
 	}, {
 		.name = "max1136",
 		.num_inputs = 4,
@@ -656,6 +717,66 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = {
 		.default_mode = s0to11,
 		.dev_attrs = &max1238_dev_attr_group,
 		.scan_attrs = &max1238_scan_el_group,
+	}, {
+		.name = "max11600",
+		.num_inputs = 4,
+		.bits = 8,
+		.int_vref_mv = 4096,
+		.mode_list = max11607_mode_list,
+		.num_modes = ARRAY_SIZE(max11607_mode_list),
+		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max11601",
+		.num_inputs = 4,
+		.bits = 8,
+		.int_vref_mv = 2048,
+		.mode_list = max11607_mode_list,
+		.num_modes = ARRAY_SIZE(max11607_mode_list),
+		.default_mode = s0to3,
+		.dev_attrs = &max1363_dev_attr_group,
+		.scan_attrs = &max1363_scan_el_group,
+	}, {
+		.name = "max11602",
+		.num_inputs = 8,
+		.bits = 8,
+		.int_vref_mv = 4096,
+		.mode_list = max11608_mode_list,
+		.num_modes = ARRAY_SIZE(max11608_mode_list),
+		.default_mode = s0to7,
+		.dev_attrs = &max11608_dev_attr_group,
+		.scan_attrs = &max11608_scan_el_group,
+	}, {
+		.name = "max11603",
+		.num_inputs = 8,
+		.bits = 8,
+		.int_vref_mv = 2048,
+		.mode_list = max11608_mode_list,
+		.num_modes = ARRAY_SIZE(max11608_mode_list),
+		.default_mode = s0to7,
+		.dev_attrs = &max11608_dev_attr_group,
+		.scan_attrs = &max11608_scan_el_group,
+	}, {
+		.name = "max11604",
+		.num_inputs = 12,
+		.bits = 8,
+		.int_vref_mv = 4098,
+		.mode_list = max1238_mode_list,
+		.num_modes = ARRAY_SIZE(max1238_mode_list),
+		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
+	}, {
+		.name = "max11605",
+		.num_inputs = 12,
+		.bits = 8,
+		.int_vref_mv = 2048,
+		.mode_list = max1238_mode_list,
+		.num_modes = ARRAY_SIZE(max1238_mode_list),
+		.default_mode = s0to11,
+		.dev_attrs = &max1238_dev_attr_group,
+		.scan_attrs = &max1238_scan_el_group,
 	}, {
 		.name = "max11606",
 		.num_inputs = 4,
@@ -920,6 +1041,10 @@ static const struct i2c_device_id max1363_id[] = {
 	{ "max1362", max1362 },
 	{ "max1363", max1363 },
 	{ "max1364", max1364 },
+	{ "max1036", max1036 },
+	{ "max1037", max1037 },
+	{ "max1038", max1038 },
+	{ "max1039", max1039 },
 	{ "max1136", max1136 },
 	{ "max1137", max1137 },
 	{ "max1138", max1138 },
@@ -928,6 +1053,12 @@ static const struct i2c_device_id max1363_id[] = {
 	{ "max1237", max1237 },
 	{ "max1238", max1238 },
 	{ "max1239", max1239 },
+	{ "max11600", max11600 },
+	{ "max11601", max11601 },
+	{ "max11602", max11602 },
+	{ "max11603", max11603 },
+	{ "max11604", max11604 },
+	{ "max11605", max11605 },
 	{ "max11606", max11606 },
 	{ "max11607", max11607 },
 	{ "max11608", max11608 },
diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c
index f1e37f2cf4e..85fde751a15 100644
--- a/drivers/staging/iio/adc/max1363_ring.c
+++ b/drivers/staging/iio/adc/max1363_ring.c
@@ -55,8 +55,11 @@ int max1363_single_channel_from_ring(long mask, struct max1363_state *st)
 			count++;
 		mask >>= 1;
 	}
-	return ((int)(ring_data[count*2 + 0] & 0x0F) << 8)
-		+ (int)(ring_data[count*2 + 1]);
+	if (st->chip_info->bits != 8)
+		return ((int)(ring_data[count*2 + 0] & 0x0F) << 8)
+			+ (int)(ring_data[count*2 + 1]);
+	else
+		return ring_data[count];
 
 error_free_ring_data:
 	kfree(ring_data);
@@ -90,7 +93,10 @@ static int max1363_ring_preenable(struct iio_dev *indio_dev)
 
 	numvals = hweight_long(st->current_mode->modemask);
 	if (indio_dev->ring->access.set_bpd) {
-		d_size = numvals*2 + sizeof(s64);
+		if (st->chip_info->bits != 8)
+			d_size = numvals*2 + sizeof(s64);
+		else
+			d_size = numvals + sizeof(s64);
 		if (d_size % 8)
 			d_size += 8 - (d_size % 8);
 		indio_dev->ring->access.set_bpd(indio_dev->ring, d_size);
@@ -166,7 +172,10 @@ static void max1363_poll_bh_to_ring(struct work_struct *work_s)
 	unsigned long numvals = hweight_long(st->current_mode->modemask);
 
 	/* Ensure the timestamp is 8 byte aligned */
-	d_size = numvals*2 + sizeof(s64);
+	if (st->chip_info->bits != 8)
+		d_size = numvals*2 + sizeof(s64);
+	else
+		d_size = numvals + sizeof(s64);
 	if (d_size % sizeof(s64))
 		d_size += sizeof(s64) - (d_size % sizeof(s64));
 
@@ -184,8 +193,10 @@ static void max1363_poll_bh_to_ring(struct work_struct *work_s)
 	rxbuf = kmalloc(d_size,	GFP_KERNEL);
 	if (rxbuf == NULL)
 		return;
-
-	b_sent = i2c_master_recv(st->client, rxbuf, numvals*2);
+	if (st->chip_info->bits != 8)
+		b_sent = i2c_master_recv(st->client, rxbuf, numvals*2);
+	else
+		b_sent = i2c_master_recv(st->client, rxbuf, numvals);
 	if (b_sent < 0)
 		goto done;
 

From 8474ddd7cba04c2e8d8691abda32ae0f4a684137 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:11 +0100
Subject: [PATCH 1142/3638] staging:iio:ring_sw: Fix incorrect test on
 successful read of last value, causes infinite loop

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/ring_sw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index f8de45dc4b6..5ee3e453351 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -295,7 +295,7 @@ again:
 		return -EAGAIN;
 	memcpy(data, last_written_p_copy, ring->buf.bpd);
 
-	if (unlikely(ring->last_written_p >= last_written_p_copy))
+	if (unlikely(ring->last_written_p != last_written_p_copy))
 		goto again;
 
 	iio_unmark_sw_rb_in_use(&ring->buf);

From e9124afad3d419213b1cd80e40bcf65445ba11f9 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:12 +0100
Subject: [PATCH 1143/3638] staging:iio:tsl2563 add a name attribute under the
 iio

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/light/tsl2563.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c
index 911c898c30e..da3d51c52c7 100644
--- a/drivers/staging/iio/light/tsl2563.c
+++ b/drivers/staging/iio/light/tsl2563.c
@@ -598,12 +598,24 @@ static DEVICE_ATTR(calib0, S_IRUGO | S_IWUSR,
 static DEVICE_ATTR(calib1, S_IRUGO | S_IWUSR,
 		   tsl2563_calib1_show, tsl2563_calib1_store);
 
+static ssize_t tsl2563_show_name(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct tsl2563_chip *chip = indio_dev->dev_data;
+	return sprintf(buf, "%s\n", chip->client->name);
+}
+
+DEVICE_ATTR(name, S_IRUGO, tsl2563_show_name, NULL);
+
 static struct attribute *tsl2563_attributes[] = {
 	&dev_attr_adc0.attr,
 	&dev_attr_adc1.attr,
 	&dev_attr_illuminance0_input.attr,
 	&dev_attr_calib0.attr,
 	&dev_attr_calib1.attr,
+	&dev_attr_name.attr,
 	NULL
 };
 

From 9d8ae6c884ef855c4cb0e423caa993e73b29ef67 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 14:43:13 +0100
Subject: [PATCH 1144/3638] staging:iio:Documentation: Rewrite example for new
 abi.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/Documentation/iio_utils.h | 299 ++++++++++--------
 .../iio/Documentation/lis3l02dqbuffersimple.c | 232 +++++++++-----
 2 files changed, 323 insertions(+), 208 deletions(-)

diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h
index d24006aedd5..a4555e6f133 100644
--- a/drivers/staging/iio/Documentation/iio_utils.h
+++ b/drivers/staging/iio/Documentation/iio_utils.h
@@ -7,140 +7,173 @@
  * the Free Software Foundation.
  */
 
+/* Made up value to limit allocation sizes */
+#include <string.h>
+#include <stdlib.h>
+
+#define IIO_MAX_NAME_LENGTH 30
+
 #define IIO_EVENT_CODE_RING_50_FULL 200
 #define IIO_EVENT_CODE_RING_75_FULL 201
 #define IIO_EVENT_CODE_RING_100_FULL 202
 
+const char *iio_dir = "/sys/bus/iio/devices/";
+
 struct iio_event_data {
 	int id;
 	__s64 timestamp;
 };
 
-
-inline char *find_ring_subelement(const char *directory, const char *subelement)
+/**
+ * find_type_by_name() - function to match top level types by name
+ * @name: top level type instance name
+ * @type: the type of top level instance being sort
+ *
+ * Typical types this is used for are device and trigger.
+ **/
+inline int find_type_by_name(const char *name, const char *type)
 {
-	DIR *dp;
 	const struct dirent *ent;
-	int pos;
-	char temp[100];
-	char *returnstring;
-	dp = opendir(directory);
-	if (dp == NULL) {
-		printf("could not directory: %s\n", directory);
-		return NULL;
-	}
-	while (ent = readdir(dp), ent != NULL) {
-		if (strcmp(ent->d_name, ".") != 0 &&
-		    strcmp(ent->d_name, "..") != 0)  {
-			if (strncmp(ent->d_name, subelement, strlen(subelement)) == 0) {
-				int length = sprintf(temp, "%s%s%s", directory, ent->d_name, "/");
-				returnstring = malloc(length+1);
-				strncpy(returnstring, temp, length+1);
-				return returnstring;
-
-			}
-		}
-	}
-	return 0;
-}
-
-
-char *find_type_by_name(const char *name, const char *type)
-{
-	const char *iio_dir = "/sys/bus/iio/devices/";
-	const struct dirent *ent;
-	int cnt, pos, pos2;
+	int number, numstrlen;
 
 	FILE *nameFile;
 	DIR *dp;
-	char thisname[100];
-	char temp[100];
-
-	char *returnstring = NULL;
+	char thisname[IIO_MAX_NAME_LENGTH];
+	char *filename;
 	struct stat Stat;
-	pos = sprintf(temp, "%s", iio_dir);
+
 	dp = opendir(iio_dir);
 	if (dp == NULL) {
 		printf("No industrialio devices available");
-		return NULL;
+		return -ENODEV;
 	}
-	while (ent = readdir(dp), ent != NULL) {
-		cnt++;
-		/*reject . and .. */
-		if (strcmp(ent->d_name, ".") != 0 &&
-		    strcmp(ent->d_name, "..") != 0)  {
-			/*make sure it isn't a trigger!*/
-			if (strncmp(ent->d_name, type, strlen(type)) == 0) {
-				/* build full path to new file */
-				pos2 = pos + sprintf(temp + pos, "%s/", ent->d_name);
-				sprintf(temp + pos2, "name");
-				printf("search location %s\n", temp);
-				nameFile = fopen(temp, "r");
-				if (!nameFile) {
-					sprintf(temp + pos2, "modalias", ent->d_name);
-					nameFile = fopen(temp, "r");
-					if (!nameFile) {
-						printf("Failed to find a name for device\n");
-						return NULL;
-					}
-				}
-				fscanf(nameFile, "%s", thisname);
-				if (strcmp(name, thisname) == 0) {
-					returnstring = malloc(strlen(temp) + 1);
-					sprintf(temp + pos2, "");
-					strcpy(returnstring, temp);
-					return returnstring;
-				}
-				fclose(nameFile);
 
+	while (ent = readdir(dp), ent != NULL) {
+		if (strcmp(ent->d_name, ".") != 0 &&
+			strcmp(ent->d_name, "..") != 0 &&
+			strlen(ent->d_name) > strlen(type) &&
+			strncmp(ent->d_name, type, strlen(type)) == 0) {
+			numstrlen = sscanf(ent->d_name + strlen(type),
+					   "%d",
+					   &number);
+			/* verify the next character is not a colon */
+			if (strncmp(ent->d_name + strlen(type) + numstrlen,
+					":",
+					1) != 0) {
+				filename = malloc(strlen(iio_dir)
+						+ strlen(type)
+						+ 1
+						+ numstrlen
+						+ 1);
+				if (filename == NULL)
+					return -ENOMEM;
+				sprintf(filename, "%s%s%d/name",
+					iio_dir,
+					type,
+					number);
+				nameFile = fopen(filename, "r");
+				if (!nameFile)
+					continue;
+				free(filename);
+				fscanf(nameFile, "%s", thisname);
+				if (strcmp(name, thisname) == 0)
+					return number;
+				fclose(nameFile);
 			}
 		}
 	}
+	return -ENODEV;
+}
+
+inline int _write_sysfs_int(char *filename, char *basedir, int val, int verify)
+{
+	int ret;
+	FILE *sysfsfp;
+	int test;
+	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
+	if (temp == NULL)
+		return -ENOMEM;
+	sprintf(temp, "%s/%s", basedir, filename);
+	sysfsfp = fopen(temp, "w");
+	if (sysfsfp == NULL) {
+		printf("failed to open %s\n", temp);
+		ret = -errno;
+		goto error_free;
+	}
+	fprintf(sysfsfp, "%d", val);
+	fclose(sysfsfp);
+	if (verify) {
+		sysfsfp = fopen(temp, "r");
+		if (sysfsfp == NULL) {
+			printf("failed to open %s\n", temp);
+			ret = -errno;
+			goto error_free;
+		}
+		fscanf(sysfsfp, "%d", &test);
+		if (test != val) {
+			printf("Possible failure in int write %d to %s%s\n",
+				val,
+				basedir,
+				filename);
+			ret = -1;
+		}
+	}
+error_free:
+	free(temp);
+	return ret;
 }
 
 int write_sysfs_int(char *filename, char *basedir, int val)
 {
-	int ret;
-	FILE  *sysfsfp;
-	char temp[100];
-	sprintf(temp, "%s%s", basedir, filename);
-	sysfsfp = fopen(temp, "w");
-	if (sysfsfp == NULL)
-		return -1;
-	fprintf(sysfsfp, "%d", val);
-	fclose(sysfsfp);
-	return 0;
+	return _write_sysfs_int(filename, basedir, val, 0);
 }
 
 int write_sysfs_int_and_verify(char *filename, char *basedir, int val)
 {
-	int ret;
-	FILE  *sysfsfp;
-	char temp[100];
-	int test;
-
-	sprintf(temp, "%s%s", basedir, filename);
-	sysfsfp = fopen(temp, "w");
-	if (sysfsfp == NULL)
-		return -1;
-	fprintf(sysfsfp, "%d", val);
-	fclose(sysfsfp);
-
-	sysfsfp = fopen(temp, "r");
-	if (sysfsfp == NULL)
-		return -1;
-	fscanf(sysfsfp, "%d", &test);
-	if (test != val) {
-		printf("Possible failure in int write %d to %s%s\n",
-		       val,
-		       basedir,
-		       filename);
-		return -1;
-	}
-
-	return 0;
+	return _write_sysfs_int(filename, basedir, val, 1);
 }
 
+int _write_sysfs_string(char *filename, char *basedir, char *val, int verify)
+{
+	int ret;
+	FILE  *sysfsfp;
+	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
+	if (temp == NULL) {
+		printf("Memory allocation failed\n");
+		return -ENOMEM;
+	}
+	sprintf(temp, "%s/%s", basedir, filename);
+	sysfsfp = fopen(temp, "w");
+	if (sysfsfp == NULL) {
+		printf("Could not open %s\n", temp);
+		ret = -errno;
+		goto error_free;
+	}
+	fprintf(sysfsfp, "%s", val);
+	fclose(sysfsfp);
+	if (verify) {
+		sysfsfp = fopen(temp, "r");
+		if (sysfsfp == NULL) {
+			ret = -errno;
+			goto error_free;
+		}
+		fscanf(sysfsfp, "%s", temp);
+		if (strcmp(temp, val) != 0) {
+			printf("Possible failure in string write of %s "
+				"Should be %s "
+				"writen to %s\%s\n",
+				temp,
+				val,
+				basedir,
+				filename);
+			ret = -1;
+		}
+	}
+error_free:
+	free(temp);
+
+	return ret;
+}
 /**
  * write_sysfs_string_and_verify() - string write, readback and verify
  * @filename: name of file to write to
@@ -149,40 +182,54 @@ int write_sysfs_int_and_verify(char *filename, char *basedir, int val)
  **/
 int write_sysfs_string_and_verify(char *filename, char *basedir, char *val)
 {
-	int ret;
-	FILE  *sysfsfp;
-	char temp[100];
-	sprintf(temp, "%s%s", basedir, filename);
-	sysfsfp = fopen(temp, "w");
-	if (sysfsfp == NULL)
-		return -1;
-	fprintf(sysfsfp, "%s", val);
-	fclose(sysfsfp);
+	return _write_sysfs_string(filename, basedir, val, 1);
+}
 
-	sysfsfp = fopen(temp, "r");
-	if (sysfsfp == NULL)
-		return -1;
-	fscanf(sysfsfp, "%s", temp);
-	if (strcmp(temp, val) != 0) {
-		printf("Possible failure in string write %s to %s%s \n",
-		       val,
-		       basedir,
-		       filename);
-		return -1;
-	}
-	return 0;
+int write_sysfs_string(char *filename, char *basedir, char *val)
+{
+	return _write_sysfs_string(filename, basedir, val, 0);
 }
 
 int read_sysfs_posint(char *filename, char *basedir)
 {
 	int ret;
 	FILE  *sysfsfp;
-	char temp[100];
-	sprintf(temp, "%s%s", basedir, filename);
+	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
+	if (temp == NULL) {
+		printf("Memory allocation failed");
+		return -ENOMEM;
+	}
+	sprintf(temp, "%s/%s", basedir, filename);
 	sysfsfp = fopen(temp, "r");
-	if (sysfsfp == NULL)
-		return -1;
+	if (sysfsfp == NULL) {
+		ret = -errno;
+		goto error_free;
+	}
 	fscanf(sysfsfp, "%d\n", &ret);
 	fclose(sysfsfp);
+error_free:
+	free(temp);
+	return ret;
+}
+
+int read_sysfs_float(char *filename, char *basedir, float *val)
+{
+	float ret = 0;
+	FILE  *sysfsfp;
+	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
+	if (temp == NULL) {
+		printf("Memory allocation failed");
+		return -ENOMEM;
+	}
+	sprintf(temp, "%s/%s", basedir, filename);
+	sysfsfp = fopen(temp, "r");
+	if (sysfsfp == NULL) {
+		ret = -errno;
+		goto error_free;
+	}
+	fscanf(sysfsfp, "%f\n", val);
+	fclose(sysfsfp);
+error_free:
+	free(temp);
 	return ret;
 }
diff --git a/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c b/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
index 08e012fa846..3a580284020 100644
--- a/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
+++ b/drivers/staging/iio/Documentation/lis3l02dqbuffersimple.c
@@ -1,4 +1,4 @@
-/* Industrialio test ring buffer with a lis3l02dq acceleromter
+/* Industrialio ring buffer with a lis3l02dq accelerometer
  *
  * Copyright (c) 2008 Jonathan Cameron
  *
@@ -6,125 +6,181 @@
  * under the terms of the GNU General Public License version 2 as published by
  * the Free Software Foundation.
  *
- * Assumes suitable udev rules are used to create the dev nodes as named here.
+ * This program is primarily intended as an example application.
  */
 
 #include <dirent.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <errno.h>
-#include <stdint.h>
-#include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/dir.h>
-
 #include <linux/types.h>
 #include "iio_utils.h"
 
-static const char *ring_access = "/dev/iio/lis3l02dq_ring_access";
-static const char *ring_event = "/dev/iio/lis3l02dq_ring_event";
-static const char *device_name = "lis3l02dq";
-static const char *trigger_name = "lis3l02dq-dev0";
-static int NumVals = 3;
-static int scan_ts = 1;
-static int RingLength = 128;
+const char *device_name = "lis3l02dq";
+const char *trigger_name_base = "lis3l02dq-dev";
+const int num_vals = 3;
+const int scan_ts = 1;
+const int buf_len = 128;
+const int num_loops = 10;
 
 /*
  * Could get this from ring bps, but only after starting the ring
- * which is a bit late for it to be useful
+ * which is a bit late for it to be useful.
+ *
+ * Todo: replace with much more generic version based on scan_elements
+ * directory.
  */
-int size_from_scanmode(int numVals, int timestamp)
+int size_from_scanmode(int num_vals, int timestamp)
 {
-	if (numVals && timestamp)
+	if (num_vals && timestamp)
 		return 16;
 	else if (timestamp)
 		return 8;
 	else
-		return numVals*2;
+		return num_vals*2;
 }
 
 int main(int argc, char **argv)
 {
+	int ret;
 	int i, j, k, toread;
 	FILE *fp_ev;
 	int fp;
+
+	char *trigger_name, *dev_dir_name, *buf_dir_name;
 	char *data;
 	size_t read_size;
 	struct iio_event_data dat;
+	int dev_num, trig_num;
 
-	char	*BaseDirectoryName,
-		*TriggerDirectoryName,
-		*RingBufferDirectoryName;
+	char *buffer_access, *buffer_event;
+	const char *iio_dir = "/sys/bus/iio/devices/";
+	int scan_size;
+	float gain = 1;
 
-	BaseDirectoryName = find_type_by_name(device_name, "device");
-	if (BaseDirectoryName == NULL) {
-		printf("Failed to find the %s \n", device_name);
-		return -1;
+
+	/* Find out which iio device is the accelerometer. */
+	dev_num = find_type_by_name(device_name, "device");
+	if (dev_num < 0) {
+		printf("Failed to find the %s\n", device_name);
+		ret = -ENODEV;
+		goto error_ret;
 	}
-	TriggerDirectoryName = find_type_by_name(trigger_name, "trigger");
-	if (TriggerDirectoryName == NULL) {
+	printf("iio device number being used is %d\n", dev_num);
+	asprintf(&dev_dir_name, "%sdevice%d", iio_dir, dev_num);
+
+	/*
+	 * Build the trigger name.
+	 * In this case we want the lis3l02dq's data ready trigger
+	 * for this lis3l02dq. The naming is lis3l02dq_dev[n], where
+	 * n matches the device number found above.
+	 */
+	ret = asprintf(&trigger_name, "%s%d", trigger_name_base, dev_num);
+	if (ret < 0) {
+		ret = -ENOMEM;
+		goto error_free_dev_dir_name;
+	}
+
+	/*
+	 * Find the trigger by name.
+	 * This is techically unecessary here as we only need to
+	 * refer to the trigger by name and that name is already
+	 * known.
+	 */
+	trig_num = find_type_by_name(trigger_name, "trigger");
+	if (trig_num < 0) {
 		printf("Failed to find the %s\n", trigger_name);
-		return -1;
-	}
-	RingBufferDirectoryName = find_ring_subelement(BaseDirectoryName,
-						       "ring_buffer");
-	if (RingBufferDirectoryName == NULL) {
-		printf("Failed to find ring buffer\n");
-		return -1;
+		ret = -ENODEV;
+		goto error_free_triggername;
 	}
+	printf("iio trigger number being used is %d\n", trig_num);
 
-	if (write_sysfs_string_and_verify("trigger/current_trigger",
-					  BaseDirectoryName,
-					  (char *)trigger_name) < 0) {
-		printf("Failed to write current_trigger file \n");
-		return -1;
+	/*
+	 * Read in the scale value - in a more generic case, first
+	 * check for accel_scale, then the indivual channel scales
+	 */
+	ret = read_sysfs_float("accel_scale", dev_dir_name, &gain);
+	if (ret)
+		goto error_free_triggername;;
+
+	/*
+	 * Construct the directory name for the associated buffer.
+	 * As we know that the lis3l02dq has only one buffer this may
+	 * be built rather than found.
+	 */
+	ret = asprintf(&buf_dir_name, "%sdevice%d:buffer0", iio_dir, dev_num);
+	if (ret < 0) {
+		ret = -ENOMEM;
+		goto error_free_triggername;
+	}
+	/* Set the device trigger to be the data rdy trigger found above */
+	ret = write_sysfs_string_and_verify("trigger/current_trigger",
+					dev_dir_name,
+					trigger_name);
+	if (ret < 0) {
+		printf("Failed to write current_trigger file\n");
+		goto error_free_buf_dir_name;
 	}
 
 	/* Setup ring buffer parameters */
-	if (write_sysfs_int("length", RingBufferDirectoryName,
-			    RingLength) < 0) {
-		printf("Failed to open the ring buffer length file \n");
-		return -1;
-	}
+	ret = write_sysfs_int("length", buf_dir_name, buf_len);
+	if (ret < 0)
+		goto error_free_buf_dir_name;
 
-	/* Enable the ring buffer */
-	if (write_sysfs_int("ring_enable", RingBufferDirectoryName, 1) < 0) {
-		printf("Failed to open the ring buffer control file \n");
-		return -1;
-	};
+	/* Enable the buffer */
+	ret = write_sysfs_int("ring_enable", buf_dir_name, 1);
+	if (ret < 0)
+		goto error_free_buf_dir_name;
 
-	data = malloc(size_from_scanmode(NumVals, scan_ts)*RingLength);
+	data = malloc(size_from_scanmode(num_vals, scan_ts)*buf_len);
 	if (!data) {
-		printf("Could not allocate space for usespace data store\n");
-		return -1;
+		ret = -ENOMEM;
+		goto error_free_buf_dir_name;
 	}
 
+	ret = asprintf(&buffer_access,
+		       "/dev/device%d:buffer0:access0",
+		       dev_num);
+	if (ret < 0) {
+		ret = -ENOMEM;
+		goto error_free_data;
+	}
+
+	ret = asprintf(&buffer_event, "/dev/device%d:buffer0:event0", dev_num);
+	if (ret < 0) {
+		ret = -ENOMEM;
+		goto error_free_data;
+	}
 	/* Attempt to open non blocking the access dev */
-	fp = open(ring_access, O_RDONLY | O_NONBLOCK);
+	fp = open(buffer_access, O_RDONLY | O_NONBLOCK);
 	if (fp == -1) { /*If it isn't there make the node */
-		printf("Failed to open %s\n", ring_access);
-		return -1;
+		printf("Failed to open %s\n", buffer_access);
+		ret = -errno;
+		goto error_free_buffer_event;
 	}
 	/* Attempt to open the event access dev (blocking this time) */
-	fp_ev = fopen(ring_event, "rb");
+	fp_ev = fopen(buffer_event, "rb");
 	if (fp_ev == NULL) {
-		printf("Failed to open %s\n", ring_event);
-		return -1;
+		printf("Failed to open %s\n", buffer_event);
+		ret = -errno;
+		goto error_close_buffer_access;
 	}
 
 	/* Wait for events 10 times */
-	for (j = 0; j < 10; j++) {
+	for (j = 0; j < num_loops; j++) {
 		read_size = fread(&dat, 1, sizeof(struct iio_event_data),
 				  fp_ev);
 		switch (dat.id) {
 		case IIO_EVENT_CODE_RING_100_FULL:
-			toread = RingLength;
+			toread = buf_len;
 			break;
 		case IIO_EVENT_CODE_RING_75_FULL:
-			toread = RingLength*3/4;
+			toread = buf_len*3/4;
 			break;
 		case IIO_EVENT_CODE_RING_50_FULL:
-			toread = RingLength/2;
+			toread = buf_len/2;
 			break;
 		default:
 			printf("Unexpecteded event code\n");
@@ -132,39 +188,51 @@ int main(int argc, char **argv)
 		}
 		read_size = read(fp,
 				 data,
-				 toread*size_from_scanmode(NumVals, scan_ts));
+				 toread*size_from_scanmode(num_vals, scan_ts));
 		if (read_size == -EAGAIN) {
-			printf("nothing available \n");
+			printf("nothing available\n");
 			continue;
 		}
-
-		for (i = 0;
-		     i < read_size/size_from_scanmode(NumVals, scan_ts);
-		     i++) {
-			for (k = 0; k < NumVals; k++) {
-				__s16 val = *(__s16 *)(&data[i*size_from_scanmode(NumVals, scan_ts)
+		scan_size = size_from_scanmode(num_vals, scan_ts);
+		for (i = 0; i < read_size/scan_size; i++) {
+			for (k = 0; k < num_vals; k++) {
+				__s16 val = *(__s16 *)(&data[i*scan_size
 							     + (k)*2]);
-				printf("%05d ", val);
+				printf("%05f ", (float)val*gain);
 			}
 			printf(" %lld\n",
-			       *(__s64 *)(&data[(i+1)*size_from_scanmode(NumVals, scan_ts)
+			       *(__s64 *)(&data[(i + 1)
+						*size_from_scanmode(num_vals,
+								    scan_ts)
 						- sizeof(__s64)]));
 		}
 	}
 
 	/* Stop the ring buffer */
-	if (write_sysfs_int("ring_enable", RingBufferDirectoryName, 0) < 0) {
-		printf("Failed to open the ring buffer control file \n");
-		return -1;
-	};
+	ret = write_sysfs_int("ring_enable", buf_dir_name, 0);
+	if (ret < 0)
+		goto error_close_buffer_event;
 
-	/* Disconnect from the trigger - writing something that doesn't exist.*/
-	write_sysfs_string_and_verify("trigger/current_trigger",
-				      BaseDirectoryName, "NULL");
-	free(BaseDirectoryName);
-	free(TriggerDirectoryName);
-	free(RingBufferDirectoryName);
+	/* Disconnect from the trigger - just write a dummy name.*/
+	write_sysfs_string("trigger/current_trigger",
+			dev_dir_name, "NULL");
+
+error_close_buffer_event:
+	fclose(fp_ev);
+error_close_buffer_access:
+	close(fp);
+error_free_data:
 	free(data);
-
-	return 0;
+error_free_buffer_access:
+	free(buffer_access);
+error_free_buffer_event:
+	free(buffer_event);
+error_free_buf_dir_name:
+	free(buf_dir_name);
+error_free_triggername:
+	free(trigger_name);
+error_free_dev_dir_name:
+	free(dev_dir_name);
+error_ret:
+	return ret;
 }

From 1e3864e63576e33dd1b26ab750ffaab3066aaba9 Mon Sep 17 00:00:00 2001
From: Barry Song <Barry.Song@analog.com>
Date: Tue, 4 May 2010 14:43:14 +0100
Subject: [PATCH 1145/3638] staging:iio:imu ADIS16300 driver

Signed-off-by: Barry Song <Barry.Song@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/Kconfig                 |   1 +
 drivers/staging/iio/Makefile                |   1 +
 drivers/staging/iio/adc/adc.h               |   3 +
 drivers/staging/iio/gyro/gyro.h             |  76 ++
 drivers/staging/iio/imu/Kconfig             |  14 +
 drivers/staging/iio/imu/Makefile            |   6 +
 drivers/staging/iio/imu/adis16300.h         | 203 +++++
 drivers/staging/iio/imu/adis16300_core.c    | 833 ++++++++++++++++++++
 drivers/staging/iio/imu/adis16300_ring.c    | 233 ++++++
 drivers/staging/iio/imu/adis16300_trigger.c | 127 +++
 10 files changed, 1497 insertions(+)
 create mode 100644 drivers/staging/iio/gyro/gyro.h
 create mode 100644 drivers/staging/iio/imu/Kconfig
 create mode 100644 drivers/staging/iio/imu/Makefile
 create mode 100644 drivers/staging/iio/imu/adis16300.h
 create mode 100644 drivers/staging/iio/imu/adis16300_core.c
 create mode 100644 drivers/staging/iio/imu/adis16300_ring.c
 create mode 100644 drivers/staging/iio/imu/adis16300_trigger.c

diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index ace99f6d116..ed38ef4db44 100644
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -41,6 +41,7 @@ config IIO_TRIGGER
 
 source "drivers/staging/iio/accel/Kconfig"
 source "drivers/staging/iio/adc/Kconfig"
+source "drivers/staging/iio/imu/Kconfig"
 source "drivers/staging/iio/light/Kconfig"
 
 source "drivers/staging/iio/trigger/Kconfig"
diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile
index 7ec021810a7..92b81c2b895 100644
--- a/drivers/staging/iio/Makefile
+++ b/drivers/staging/iio/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_IIO_SW_RING) += ring_sw.o
 
 obj-y += accel/
 obj-y += adc/
+obj-y += imu/
 obj-y += light/
 
 obj-y += trigger/
\ No newline at end of file
diff --git a/drivers/staging/iio/adc/adc.h b/drivers/staging/iio/adc/adc.h
index 46f0d08b476..04eb16fd0a9 100644
--- a/drivers/staging/iio/adc/adc.h
+++ b/drivers/staging/iio/adc/adc.h
@@ -16,6 +16,9 @@
 #define IIO_DEV_ATTR_IN_RAW(_num, _show, _addr)				\
 	IIO_DEVICE_ATTR(in##_num##_raw, S_IRUGO, _show, NULL, _addr)
 
+#define IIO_DEV_ATTR_IN_NAMED_RAW(_name, _show, _addr)			\
+	IIO_DEVICE_ATTR(in_##_name##_raw, S_IRUGO, _show, NULL, _addr)
+
 #define IIO_DEV_ATTR_IN_DIFF_RAW(_nump, _numn, _show, _addr)		\
 	IIO_DEVICE_ATTR_NAMED(in##_nump##min##_numn##_raw,		\
 			      in##_nump-in##_numn##_raw,		\
diff --git a/drivers/staging/iio/gyro/gyro.h b/drivers/staging/iio/gyro/gyro.h
new file mode 100644
index 00000000000..7c4dcf2f4a6
--- /dev/null
+++ b/drivers/staging/iio/gyro/gyro.h
@@ -0,0 +1,76 @@
+
+#include "../sysfs.h"
+
+/* Gyroscope types of attribute */
+
+#define IIO_DEV_ATTR_GYRO_OFFSET(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(gyro_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_GYRO_X_OFFSET(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(gyro_x_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_GYRO_Y_OFFSET(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(gyro_y_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_GYRO_Z_OFFSET(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(gyro_z_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_GYRO_X_GAIN(_mode, _show, _store, _addr)		\
+	IIO_DEVICE_ATTR(gyro_x_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_GYRO_Y_GAIN(_mode, _show, _store, _addr)		\
+	IIO_DEVICE_ATTR(gyro_y_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_GYRO_Z_GAIN(_mode, _show, _store, _addr)		\
+	IIO_DEVICE_ATTR(gyro_z_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_GYRO_SCALE(_mode, _show, _store, _addr)		\
+	IIO_DEVICE_ATTR(gyro_scale, S_IRUGO, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_GYRO(_show, _addr)			\
+	IIO_DEVICE_ATTR(gyro, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_GYRO_X(_show, _addr)			\
+	IIO_DEVICE_ATTR(gyro_x, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_GYRO_Y(_show, _addr)			\
+	IIO_DEVICE_ATTR(gyro_y, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_GYRO_Z(_show, _addr)			\
+	IIO_DEVICE_ATTR(gyro_z, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_TEMP_X(_show, _addr)			\
+	IIO_DEVICE_ATTR(temp_x, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_TEMP_Y(_show, _addr)			\
+	IIO_DEVICE_ATTR(temp_y, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_TEMP_Z(_show, _addr)			\
+	IIO_DEVICE_ATTR(temp_z, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_INCLI_X(_show, _addr)			\
+	IIO_DEVICE_ATTR(incli_x, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_INCLI_Y(_show, _addr)			\
+	IIO_DEVICE_ATTR(incli_y, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_INCLI_Z(_show, _addr)			\
+	IIO_DEVICE_ATTR(incli_z, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_INCLI_X_OFFSET(_mode, _show, _store, _addr) \
+	IIO_DEVICE_ATTR(incli_x_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_INCLI_Y_OFFSET(_mode, _show, _store, _addr) \
+	IIO_DEVICE_ATTR(incli_y_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_INCLI_Z_OFFSET(_mode, _show, _store, _addr) \
+	IIO_DEVICE_ATTR(incli_z_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ROT(_show, _addr)                    \
+	IIO_DEVICE_ATTR(rot, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_ROT_OFFSET(_mode, _show, _store, _addr) \
+	IIO_DEVICE_ATTR(rot_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ANGL(_show, _addr)                         \
+	IIO_DEVICE_ATTR(angl, S_IRUGO, _show, NULL, _addr)
diff --git a/drivers/staging/iio/imu/Kconfig b/drivers/staging/iio/imu/Kconfig
new file mode 100644
index 00000000000..3fe47161e76
--- /dev/null
+++ b/drivers/staging/iio/imu/Kconfig
@@ -0,0 +1,14 @@
+#
+# IIO imu drivers configuration
+#
+comment "Inertial measurement units"
+
+config ADIS16300
+	tristate "Analog Devices ADIS16300 IMU SPI driver"
+	depends on SPI
+	select IIO_SW_RING
+	select IIO_RING_BUFFER
+	select IIO_TRIGGER
+	help
+	  Say yes here to build support for Analog Devices adis16300 four degrees
+	  of freedom inertial sensor.
diff --git a/drivers/staging/iio/imu/Makefile b/drivers/staging/iio/imu/Makefile
new file mode 100644
index 00000000000..4cd5984137b
--- /dev/null
+++ b/drivers/staging/iio/imu/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for Inertial Measurement Units
+#
+adis16300-y             := adis16300_core.o
+adis16300-$(CONFIG_IIO_RING_BUFFER) += adis16300_ring.o adis16300_trigger.o
+obj-$(CONFIG_ADIS16300) += adis16300.o
diff --git a/drivers/staging/iio/imu/adis16300.h b/drivers/staging/iio/imu/adis16300.h
new file mode 100644
index 00000000000..77d890d1200
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16300.h
@@ -0,0 +1,203 @@
+#ifndef SPI_ADIS16300_H_
+#define SPI_ADIS16300_H_
+
+#define ADIS16300_STARTUP_DELAY	220 /* ms */
+
+#define ADIS16300_READ_REG(a)    a
+#define ADIS16300_WRITE_REG(a) ((a) | 0x80)
+
+#define ADIS16300_FLASH_CNT  0x00 /* Flash memory write count */
+#define ADIS16300_SUPPLY_OUT 0x02 /* Power supply measurement */
+#define ADIS16300_XGYRO_OUT 0x04 /* X-axis gyroscope output */
+#define ADIS16300_XACCL_OUT 0x0A /* X-axis accelerometer output */
+#define ADIS16300_YACCL_OUT 0x0C /* Y-axis accelerometer output */
+#define ADIS16300_ZACCL_OUT 0x0E /* Z-axis accelerometer output */
+#define ADIS16300_TEMP_OUT  0x10 /* Temperature output */
+#define ADIS16300_XINCLI_OUT 0x12 /* X-axis inclinometer output measurement */
+#define ADIS16300_YINCLI_OUT 0x14 /* Y-axis inclinometer output measurement */
+#define ADIS16300_AUX_ADC   0x16 /* Auxiliary ADC measurement */
+
+/* Calibration parameters */
+#define ADIS16300_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */
+#define ADIS16300_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */
+#define ADIS16300_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */
+#define ADIS16300_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */
+
+#define ADIS16300_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */
+#define ADIS16300_MSC_CTRL  0x34 /* Miscellaneous control */
+#define ADIS16300_SMPL_PRD  0x36 /* Internal sample period (rate) control */
+#define ADIS16300_SENS_AVG  0x38 /* Dynamic range and digital filter control */
+#define ADIS16300_SLP_CNT   0x3A /* Sleep mode control */
+#define ADIS16300_DIAG_STAT 0x3C /* System status */
+
+/* Alarm functions */
+#define ADIS16300_GLOB_CMD  0x3E /* System command */
+#define ADIS16300_ALM_MAG1  0x26 /* Alarm 1 amplitude threshold */
+#define ADIS16300_ALM_MAG2  0x28 /* Alarm 2 amplitude threshold */
+#define ADIS16300_ALM_SMPL1 0x2A /* Alarm 1 sample size */
+#define ADIS16300_ALM_SMPL2 0x2C /* Alarm 2 sample size */
+#define ADIS16300_ALM_CTRL  0x2E /* Alarm control */
+#define ADIS16300_AUX_DAC   0x30 /* Auxiliary DAC data */
+
+#define ADIS16300_ERROR_ACTIVE			(1<<14)
+#define ADIS16300_NEW_DATA			(1<<15)
+
+/* MSC_CTRL */
+#define ADIS16300_MSC_CTRL_MEM_TEST		(1<<11)
+#define ADIS16300_MSC_CTRL_INT_SELF_TEST	(1<<10)
+#define ADIS16300_MSC_CTRL_NEG_SELF_TEST	(1<<9)
+#define ADIS16300_MSC_CTRL_POS_SELF_TEST	(1<<8)
+#define ADIS16300_MSC_CTRL_GYRO_BIAS		(1<<7)
+#define ADIS16300_MSC_CTRL_ACCL_ALIGN		(1<<6)
+#define ADIS16300_MSC_CTRL_DATA_RDY_EN		(1<<2)
+#define ADIS16300_MSC_CTRL_DATA_RDY_POL_HIGH	(1<<1)
+#define ADIS16300_MSC_CTRL_DATA_RDY_DIO2	(1<<0)
+
+/* SMPL_PRD */
+#define ADIS16300_SMPL_PRD_TIME_BASE	(1<<7)
+#define ADIS16300_SMPL_PRD_DIV_MASK	0x7F
+
+/* DIAG_STAT */
+#define ADIS16300_DIAG_STAT_ZACCL_FAIL	(1<<15)
+#define ADIS16300_DIAG_STAT_YACCL_FAIL	(1<<14)
+#define ADIS16300_DIAG_STAT_XACCL_FAIL	(1<<13)
+#define ADIS16300_DIAG_STAT_XGYRO_FAIL	(1<<10)
+#define ADIS16300_DIAG_STAT_ALARM2	(1<<9)
+#define ADIS16300_DIAG_STAT_ALARM1	(1<<8)
+#define ADIS16300_DIAG_STAT_FLASH_CHK	(1<<6)
+#define ADIS16300_DIAG_STAT_SELF_TEST	(1<<5)
+#define ADIS16300_DIAG_STAT_OVERFLOW	(1<<4)
+#define ADIS16300_DIAG_STAT_SPI_FAIL	(1<<3)
+#define ADIS16300_DIAG_STAT_FLASH_UPT	(1<<2)
+#define ADIS16300_DIAG_STAT_POWER_HIGH	(1<<1)
+#define ADIS16300_DIAG_STAT_POWER_LOW	(1<<0)
+
+/* GLOB_CMD */
+#define ADIS16300_GLOB_CMD_SW_RESET	(1<<7)
+#define ADIS16300_GLOB_CMD_P_AUTO_NULL	(1<<4)
+#define ADIS16300_GLOB_CMD_FLASH_UPD	(1<<3)
+#define ADIS16300_GLOB_CMD_DAC_LATCH	(1<<2)
+#define ADIS16300_GLOB_CMD_FAC_CALIB	(1<<1)
+#define ADIS16300_GLOB_CMD_AUTO_NULL	(1<<0)
+
+/* SLP_CNT */
+#define ADIS16300_SLP_CNT_POWER_OFF	(1<<8)
+
+#define ADIS16300_MAX_TX 18
+#define ADIS16300_MAX_RX 18
+
+#define ADIS16300_SPI_SLOW	(u32)(300 * 1000)
+#define ADIS16300_SPI_BURST	(u32)(1000 * 1000)
+#define ADIS16300_SPI_FAST	(u32)(2000 * 1000)
+
+/**
+ * struct adis16300_state - device instance specific data
+ * @us:			actual spi_device
+ * @work_trigger_to_ring: bh for triggered event handling
+ * @work_cont_thresh: CLEAN
+ * @inter:		used to check if new interrupt has been triggered
+ * @last_timestamp:	passing timestamp from th to bh of interrupt handler
+ * @indio_dev:		industrial I/O device structure
+ * @trig:		data ready trigger registered with iio
+ * @tx:			transmit buffer
+ * @rx:			recieve buffer
+ * @buf_lock:		mutex to protect tx and rx
+ **/
+struct adis16300_state {
+	struct spi_device		*us;
+	struct work_struct		work_trigger_to_ring;
+	struct iio_work_cont		work_cont_thresh;
+	s64				last_timestamp;
+	struct iio_dev			*indio_dev;
+	struct iio_trigger		*trig;
+	u8				*tx;
+	u8				*rx;
+	struct mutex			buf_lock;
+};
+
+int adis16300_spi_write_reg_8(struct device *dev,
+			      u8 reg_address,
+			      u8 val);
+
+int adis16300_spi_read_burst(struct device *dev, u8 *rx);
+
+int adis16300_spi_read_sequence(struct device *dev,
+				      u8 *tx, u8 *rx, int num);
+
+int adis16300_set_irq(struct device *dev, bool enable);
+
+int adis16300_reset(struct device *dev);
+
+int adis16300_stop_device(struct device *dev);
+
+int adis16300_check_status(struct device *dev);
+
+#ifdef CONFIG_IIO_RING_BUFFER
+/* At the moment triggers are only used for ring buffer
+ * filling. This may change!
+ */
+
+enum adis16300_scan {
+	ADIS16300_SCAN_SUPPLY,
+	ADIS16300_SCAN_GYRO_X,
+	ADIS16300_SCAN_ACC_X,
+	ADIS16300_SCAN_ACC_Y,
+	ADIS16300_SCAN_ACC_Z,
+	ADIS16300_SCAN_TEMP,
+	ADIS16300_SCAN_ADC_0,
+	ADIS16300_SCAN_INCLI_X,
+	ADIS16300_SCAN_INCLI_Y,
+};
+
+void adis16300_remove_trigger(struct iio_dev *indio_dev);
+int adis16300_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t adis16300_read_data_from_ring(struct device *dev,
+				      struct device_attribute *attr,
+				      char *buf);
+
+
+int adis16300_configure_ring(struct iio_dev *indio_dev);
+void adis16300_unconfigure_ring(struct iio_dev *indio_dev);
+
+int adis16300_initialize_ring(struct iio_ring_buffer *ring);
+void adis16300_uninitialize_ring(struct iio_ring_buffer *ring);
+#else /* CONFIG_IIO_RING_BUFFER */
+
+static inline void adis16300_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16300_probe_trigger(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline ssize_t
+adis16300_read_data_from_ring(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	return 0;
+}
+
+static int adis16300_configure_ring(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline void adis16300_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16300_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return 0;
+}
+
+static inline void adis16300_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+}
+
+#endif /* CONFIG_IIO_RING_BUFFER */
+#endif /* SPI_ADIS16300_H_ */
diff --git a/drivers/staging/iio/imu/adis16300_core.c b/drivers/staging/iio/imu/adis16300_core.c
new file mode 100644
index 00000000000..9f5f8cb850d
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16300_core.c
@@ -0,0 +1,833 @@
+/*
+ * ADIS16300 Four Degrees of Freedom Inertial Sensor Driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../accel/accel.h"
+#include "../gyro/gyro.h"
+#include "../adc/adc.h"
+
+#include "adis16300.h"
+
+#define DRIVER_NAME		"adis16300"
+
+/* At the moment the spi framework doesn't allow global setting of cs_change.
+ * It's in the likely to be added comment at the top of spi.h.
+ * This means that use cannot be made of spi_write etc.
+ */
+
+/**
+ * adis16300_spi_write_reg_8() - write single byte to a register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the register to be written
+ * @val: the value to write
+ **/
+int adis16300_spi_write_reg_8(struct device *dev,
+		u8 reg_address,
+		u8 val)
+{
+	int ret;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16300_WRITE_REG(reg_address);
+	st->tx[1] = val;
+
+	ret = spi_write(st->us, st->tx, 2);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16300_spi_write_reg_16() - write 2 bytes to a pair of registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: value to be written
+ **/
+static int adis16300_spi_write_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 value)
+{
+	int ret;
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+		}, {
+			.tx_buf = st->tx + 2,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16300_WRITE_REG(lower_reg_address);
+	st->tx[1] = value & 0xFF;
+	st->tx[2] = ADIS16300_WRITE_REG(lower_reg_address + 1);
+	st->tx[3] = (value >> 8) & 0xFF;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16300_spi_read_reg_16() - read 2 bytes from a 16-bit register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: somewhere to pass back the value read
+ **/
+static int adis16300_spi_read_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 *val)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
+	int ret;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 0,
+		}, {
+			.rx_buf = st->rx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 0,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16300_READ_REG(lower_reg_address);
+	st->tx[1] = 0;
+	st->tx[2] = 0;
+	st->tx[3] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	if (ret) {
+		dev_err(&st->us->dev,
+			"problem when reading 16 bit register 0x%02X",
+			lower_reg_address);
+		goto error_ret;
+	}
+	*val = (st->rx[0] << 8) | st->rx[1];
+
+error_ret:
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+/**
+ * adis16300_spi_read_burst() - read all data registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @rx: somewhere to pass back the value read (min size is 24 bytes)
+ **/
+int adis16300_spi_read_burst(struct device *dev, u8 *rx)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
+	u32 old_speed_hz = st->us->max_speed_hz;
+	int ret;
+
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 0,
+		}, {
+			.rx_buf = rx,
+			.bits_per_word = 8,
+			.len = 18,
+			.cs_change = 0,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16300_READ_REG(ADIS16300_GLOB_CMD);
+	st->tx[1] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+
+	st->us->max_speed_hz = min(ADIS16300_SPI_BURST, old_speed_hz);
+	spi_setup(st->us);
+
+	ret = spi_sync(st->us, &msg);
+	if (ret)
+		dev_err(&st->us->dev, "problem when burst reading");
+
+	st->us->max_speed_hz = old_speed_hz;
+	spi_setup(st->us);
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+/**
+ * adis16300_spi_read_sequence() - read a sequence of 16-bit registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @tx: register addresses in bytes 0,2,4,6... (min size is 2*num bytes)
+ * @rx: somewhere to pass back the value read (min size is 2*num bytes)
+ **/
+int adis16300_spi_read_sequence(struct device *dev,
+		u8 *tx, u8 *rx, int num)
+{
+	struct spi_message msg;
+	struct spi_transfer *xfers;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
+	int ret, i;
+
+	xfers = kzalloc(num + 1, GFP_KERNEL);
+	if (xfers == NULL) {
+		dev_err(&st->us->dev, "memory alloc failed");
+		ret = -ENOMEM;
+		goto error_ret;
+	}
+
+	/* tx: |add1|addr2|addr3|...|addrN |zero|
+	 * rx: |zero|res1 |res2 |...|resN-1|resN| */
+	spi_message_init(&msg);
+	for (i = 0; i < num + 1; i++) {
+		if (i > 0)
+			xfers[i].rx_buf = st->rx + 2*(i - 1);
+		if (i < num)
+			xfers[i].tx_buf = st->tx + 2*i;
+		xfers[i].bits_per_word = 8;
+		xfers[i].len = 2;
+		xfers[i].cs_change = 1;
+		spi_message_add_tail(&xfers[i], &msg);
+	}
+
+	mutex_lock(&st->buf_lock);
+
+	ret = spi_sync(st->us, &msg);
+	if (ret)
+		dev_err(&st->us->dev, "problem when reading sequence");
+
+	mutex_unlock(&st->buf_lock);
+	kfree(xfers);
+
+error_ret:
+	return ret;
+}
+
+static ssize_t adis16300_spi_read_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf,
+		unsigned bits)
+{
+	int ret;
+	s16 val = 0;
+	unsigned shift = 16 - bits;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16300_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16300_ERROR_ACTIVE)
+		adis16300_check_status(dev);
+	val = ((s16)(val << shift) >> shift);
+	return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t adis16300_read_12bit_unsigned(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret;
+	u16 val = 0;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16300_spi_read_reg_16(dev, this_attr->address, &val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16300_ERROR_ACTIVE)
+		adis16300_check_status(dev);
+
+	return sprintf(buf, "%u\n", val & 0x0FFF);
+}
+
+static ssize_t adis16300_read_14bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16300_spi_read_signed(dev, attr, buf, 14);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16300_read_12bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16300_spi_read_signed(dev, attr, buf, 12);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16300_read_13bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16300_spi_read_signed(dev, attr, buf, 13);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16300_write_16bit(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	int ret;
+	long val;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		goto error_ret;
+	ret = adis16300_spi_write_reg_16(dev, this_attr->address, val);
+
+error_ret:
+	return ret ? ret : len;
+}
+
+static ssize_t adis16300_read_frequency(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret, len = 0;
+	u16 t;
+	int sps;
+	ret = adis16300_spi_read_reg_16(dev,
+			ADIS16300_SMPL_PRD,
+			&t);
+	if (ret)
+		return ret;
+	sps =  (t & ADIS16300_SMPL_PRD_TIME_BASE) ? 53 : 1638;
+	sps /= (t & ADIS16300_SMPL_PRD_DIV_MASK) + 1;
+	len = sprintf(buf, "%d SPS\n", sps);
+	return len;
+}
+
+static ssize_t adis16300_write_frequency(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
+	long val;
+	int ret;
+	u8 t;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	mutex_lock(&indio_dev->mlock);
+
+	t = (1638 / val);
+	if (t > 0)
+		t--;
+	t &= ADIS16300_SMPL_PRD_DIV_MASK;
+	if ((t & ADIS16300_SMPL_PRD_DIV_MASK) >= 0x0A)
+		st->us->max_speed_hz = ADIS16300_SPI_SLOW;
+	else
+		st->us->max_speed_hz = ADIS16300_SPI_FAST;
+
+	ret = adis16300_spi_write_reg_8(dev,
+			ADIS16300_SMPL_PRD,
+			t);
+
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret ? ret : len;
+}
+
+static ssize_t adis16300_write_reset(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t len)
+{
+	if (len < 1)
+		return -1;
+	switch (buf[0]) {
+	case '1':
+	case 'y':
+	case 'Y':
+		return adis16300_reset(dev);
+	}
+	return -1;
+}
+
+
+
+int adis16300_set_irq(struct device *dev, bool enable)
+{
+	int ret;
+	u16 msc;
+	ret = adis16300_spi_read_reg_16(dev, ADIS16300_MSC_CTRL, &msc);
+	if (ret)
+		goto error_ret;
+
+	msc |= ADIS16300_MSC_CTRL_DATA_RDY_POL_HIGH;
+	msc &= ~ADIS16300_MSC_CTRL_DATA_RDY_DIO2;
+	if (enable)
+		msc |= ADIS16300_MSC_CTRL_DATA_RDY_EN;
+	else
+		msc &= ~ADIS16300_MSC_CTRL_DATA_RDY_EN;
+
+	ret = adis16300_spi_write_reg_16(dev, ADIS16300_MSC_CTRL, msc);
+	if (ret)
+		goto error_ret;
+
+error_ret:
+	return ret;
+}
+
+int adis16300_reset(struct device *dev)
+{
+	int ret;
+	ret = adis16300_spi_write_reg_8(dev,
+			ADIS16300_GLOB_CMD,
+			ADIS16300_GLOB_CMD_SW_RESET);
+	if (ret)
+		dev_err(dev, "problem resetting device");
+
+	return ret;
+}
+
+/* Power down the device */
+int adis16300_stop_device(struct device *dev)
+{
+	int ret;
+	u16 val = ADIS16300_SLP_CNT_POWER_OFF;
+
+	ret = adis16300_spi_write_reg_16(dev, ADIS16300_SLP_CNT, val);
+	if (ret)
+		dev_err(dev, "problem with turning device off: SLP_CNT");
+
+	return ret;
+}
+
+int adis16300_self_test(struct device *dev)
+{
+	int ret;
+	ret = adis16300_spi_write_reg_16(dev,
+			ADIS16300_MSC_CTRL,
+			ADIS16300_MSC_CTRL_MEM_TEST);
+	if (ret) {
+		dev_err(dev, "problem starting self test");
+		goto err_ret;
+	}
+
+	adis16300_check_status(dev);
+
+err_ret:
+	return ret;
+}
+
+int adis16300_check_status(struct device *dev)
+{
+	u16 status;
+	int ret;
+
+	ret = adis16300_spi_read_reg_16(dev, ADIS16300_DIAG_STAT, &status);
+
+	if (ret < 0) {
+		dev_err(dev, "Reading status failed\n");
+		goto error_ret;
+	}
+	ret = status;
+	if (status & ADIS16300_DIAG_STAT_ZACCL_FAIL)
+		dev_err(dev, "Z-axis accelerometer self-test failure\n");
+	if (status & ADIS16300_DIAG_STAT_YACCL_FAIL)
+		dev_err(dev, "Y-axis accelerometer self-test failure\n");
+	if (status & ADIS16300_DIAG_STAT_XACCL_FAIL)
+		dev_err(dev, "X-axis accelerometer self-test failure\n");
+	if (status & ADIS16300_DIAG_STAT_XGYRO_FAIL)
+		dev_err(dev, "X-axis gyroscope self-test failure\n");
+	if (status & ADIS16300_DIAG_STAT_ALARM2)
+		dev_err(dev, "Alarm 2 active\n");
+	if (status & ADIS16300_DIAG_STAT_ALARM1)
+		dev_err(dev, "Alarm 1 active\n");
+	if (status & ADIS16300_DIAG_STAT_FLASH_CHK)
+		dev_err(dev, "Flash checksum error\n");
+	if (status & ADIS16300_DIAG_STAT_SELF_TEST)
+		dev_err(dev, "Self test error\n");
+	if (status & ADIS16300_DIAG_STAT_OVERFLOW)
+		dev_err(dev, "Sensor overrange\n");
+	if (status & ADIS16300_DIAG_STAT_SPI_FAIL)
+		dev_err(dev, "SPI failure\n");
+	if (status & ADIS16300_DIAG_STAT_FLASH_UPT)
+		dev_err(dev, "Flash update failed\n");
+	if (status & ADIS16300_DIAG_STAT_POWER_HIGH)
+		dev_err(dev, "Power supply above 5.25V\n");
+	if (status & ADIS16300_DIAG_STAT_POWER_LOW)
+		dev_err(dev, "Power supply below 4.75V\n");
+
+error_ret:
+	return ret;
+}
+
+static int adis16300_initial_setup(struct adis16300_state *st)
+{
+	int ret;
+	u16 smp_prd;
+	struct device *dev = &st->indio_dev->dev;
+
+	/* use low spi speed for init */
+	st->us->max_speed_hz = ADIS16300_SPI_SLOW;
+	st->us->mode = SPI_MODE_3;
+	spi_setup(st->us);
+
+	/* Disable IRQ */
+	ret = adis16300_set_irq(dev, false);
+	if (ret) {
+		dev_err(dev, "disable irq failed");
+		goto err_ret;
+	}
+
+	/* Do self test */
+
+	/* Read status register to check the result */
+	ret = adis16300_check_status(dev);
+	if (ret) {
+		adis16300_reset(dev);
+		dev_err(dev, "device not playing ball -> reset");
+		msleep(ADIS16300_STARTUP_DELAY);
+		ret = adis16300_check_status(dev);
+		if (ret) {
+			dev_err(dev, "giving up");
+			goto err_ret;
+		}
+	}
+
+	printk(KERN_INFO DRIVER_NAME ": at CS%d (irq %d)\n",
+			st->us->chip_select, st->us->irq);
+
+	/* use high spi speed if possible */
+	ret = adis16300_spi_read_reg_16(dev, ADIS16300_SMPL_PRD, &smp_prd);
+	if (!ret && (smp_prd & ADIS16300_SMPL_PRD_DIV_MASK) < 0x0A) {
+		st->us->max_speed_hz = ADIS16300_SPI_SLOW;
+		spi_setup(st->us);
+	}
+
+err_ret:
+	return ret;
+}
+
+static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO,
+		adis16300_read_12bit_signed,
+		adis16300_write_16bit,
+		ADIS16300_XACCL_OFF);
+
+static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO,
+		adis16300_read_12bit_signed,
+		adis16300_write_16bit,
+		ADIS16300_YACCL_OFF);
+
+static IIO_DEV_ATTR_ACCEL_Z_OFFSET(S_IWUSR | S_IRUGO,
+		adis16300_read_12bit_signed,
+		adis16300_write_16bit,
+		ADIS16300_ZACCL_OFF);
+
+static IIO_DEV_ATTR_IN_NAMED_RAW(supply, adis16300_read_14bit_signed,
+			   ADIS16300_SUPPLY_OUT);
+static IIO_CONST_ATTR(in_supply_scale, "0.00242");
+
+static IIO_DEV_ATTR_GYRO_X(adis16300_read_14bit_signed,
+		ADIS16300_XGYRO_OUT);
+static IIO_CONST_ATTR(gyro_scale, "0.05 deg/s");
+
+static IIO_DEV_ATTR_ACCEL_X(adis16300_read_14bit_signed,
+		ADIS16300_XACCL_OUT);
+static IIO_DEV_ATTR_ACCEL_Y(adis16300_read_14bit_signed,
+		ADIS16300_YACCL_OUT);
+static IIO_DEV_ATTR_ACCEL_Z(adis16300_read_14bit_signed,
+		ADIS16300_ZACCL_OUT);
+static IIO_CONST_ATTR(accel_scale, "0.0006 g");
+
+static IIO_DEV_ATTR_INCLI_X(adis16300_read_13bit_signed,
+		ADIS16300_XINCLI_OUT);
+static IIO_DEV_ATTR_INCLI_Y(adis16300_read_13bit_signed,
+		ADIS16300_YINCLI_OUT);
+static IIO_CONST_ATTR(incli_scale, "0.044 d");
+
+static IIO_DEV_ATTR_TEMP(adis16300_read_12bit_signed);
+static IIO_CONST_ATTR(temp_offset, "198.16 K");
+static IIO_CONST_ATTR(temp_scale, "0.14 K");
+
+static IIO_DEV_ATTR_IN_RAW(0, adis16300_read_12bit_unsigned,
+		ADIS16300_AUX_ADC);
+static IIO_CONST_ATTR(in0_scale, "0.000806");
+
+static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
+		adis16300_read_frequency,
+		adis16300_write_frequency);
+
+static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16300_write_reset, 0);
+
+static IIO_CONST_ATTR_AVAIL_SAMP_FREQ("409 546 819 1638");
+
+static IIO_CONST_ATTR(name, "adis16300");
+
+static struct attribute *adis16300_event_attributes[] = {
+	NULL
+};
+
+static struct attribute_group adis16300_event_attribute_group = {
+	.attrs = adis16300_event_attributes,
+};
+
+static struct attribute *adis16300_attributes[] = {
+	&iio_dev_attr_accel_x_offset.dev_attr.attr,
+	&iio_dev_attr_accel_y_offset.dev_attr.attr,
+	&iio_dev_attr_accel_z_offset.dev_attr.attr,
+	&iio_dev_attr_in_supply_raw.dev_attr.attr,
+	&iio_const_attr_in_supply_scale.dev_attr.attr,
+	&iio_dev_attr_gyro_x.dev_attr.attr,
+	&iio_const_attr_gyro_scale.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_raw.dev_attr.attr,
+	&iio_const_attr_accel_scale.dev_attr.attr,
+	&iio_dev_attr_incli_x.dev_attr.attr,
+	&iio_dev_attr_incli_y.dev_attr.attr,
+	&iio_const_attr_incli_scale.dev_attr.attr,
+	&iio_dev_attr_temp.dev_attr.attr,
+	&iio_const_attr_temp_offset.dev_attr.attr,
+	&iio_const_attr_temp_scale.dev_attr.attr,
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_const_attr_in0_scale.dev_attr.attr,
+	&iio_dev_attr_sampling_frequency.dev_attr.attr,
+	&iio_const_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_dev_attr_reset.dev_attr.attr,
+	&iio_const_attr_name.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group adis16300_attribute_group = {
+	.attrs = adis16300_attributes,
+};
+
+static int __devinit adis16300_probe(struct spi_device *spi)
+{
+	int ret, regdone = 0;
+	struct adis16300_state *st = kzalloc(sizeof *st, GFP_KERNEL);
+	if (!st) {
+		ret =  -ENOMEM;
+		goto error_ret;
+	}
+	/* this is only used for removal purposes */
+	spi_set_drvdata(spi, st);
+
+	/* Allocate the comms buffers */
+	st->rx = kzalloc(sizeof(*st->rx)*ADIS16300_MAX_RX, GFP_KERNEL);
+	if (st->rx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_st;
+	}
+	st->tx = kzalloc(sizeof(*st->tx)*ADIS16300_MAX_TX, GFP_KERNEL);
+	if (st->tx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_rx;
+	}
+	st->us = spi;
+	mutex_init(&st->buf_lock);
+	/* setup the industrialio driver allocated elements */
+	st->indio_dev = iio_allocate_device();
+	if (st->indio_dev == NULL) {
+		ret = -ENOMEM;
+		goto error_free_tx;
+	}
+
+	st->indio_dev->dev.parent = &spi->dev;
+	st->indio_dev->num_interrupt_lines = 1;
+	st->indio_dev->event_attrs = &adis16300_event_attribute_group;
+	st->indio_dev->attrs = &adis16300_attribute_group;
+	st->indio_dev->dev_data = (void *)(st);
+	st->indio_dev->driver_module = THIS_MODULE;
+	st->indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = adis16300_configure_ring(st->indio_dev);
+	if (ret)
+		goto error_free_dev;
+
+	ret = iio_device_register(st->indio_dev);
+	if (ret)
+		goto error_unreg_ring_funcs;
+	regdone = 1;
+
+	ret = adis16300_initialize_ring(st->indio_dev->ring);
+	if (ret) {
+		printk(KERN_ERR "failed to initialize the ring\n");
+		goto error_unreg_ring_funcs;
+	}
+
+	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) {
+#if 0 /* fixme: here we should support */
+		iio_init_work_cont(&st->work_cont_thresh,
+				NULL,
+				adis16300_thresh_handler_bh_no_check,
+				0,
+				0,
+				st);
+#endif
+		ret = iio_register_interrupt_line(spi->irq,
+				st->indio_dev,
+				0,
+				IRQF_TRIGGER_RISING,
+				"adis16300");
+		if (ret)
+			goto error_uninitialize_ring;
+
+		ret = adis16300_probe_trigger(st->indio_dev);
+		if (ret)
+			goto error_unregister_line;
+	}
+
+	/* Get the device into a sane initial state */
+	ret = adis16300_initial_setup(st);
+	if (ret)
+		goto error_remove_trigger;
+	return 0;
+
+error_remove_trigger:
+	if (st->indio_dev->modes & INDIO_RING_TRIGGERED)
+		adis16300_remove_trigger(st->indio_dev);
+error_unregister_line:
+	if (st->indio_dev->modes & INDIO_RING_TRIGGERED)
+		iio_unregister_interrupt_line(st->indio_dev, 0);
+error_uninitialize_ring:
+	adis16300_uninitialize_ring(st->indio_dev->ring);
+error_unreg_ring_funcs:
+	adis16300_unconfigure_ring(st->indio_dev);
+error_free_dev:
+	if (regdone)
+		iio_device_unregister(st->indio_dev);
+	else
+		iio_free_device(st->indio_dev);
+error_free_tx:
+	kfree(st->tx);
+error_free_rx:
+	kfree(st->rx);
+error_free_st:
+	kfree(st);
+error_ret:
+	return ret;
+}
+
+/* fixme, confirm ordering in this function */
+static int adis16300_remove(struct spi_device *spi)
+{
+	int ret;
+	struct adis16300_state *st = spi_get_drvdata(spi);
+	struct iio_dev *indio_dev = st->indio_dev;
+
+	ret = adis16300_stop_device(&(indio_dev->dev));
+	if (ret)
+		goto err_ret;
+
+	flush_scheduled_work();
+
+	adis16300_remove_trigger(indio_dev);
+	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0)
+		iio_unregister_interrupt_line(indio_dev, 0);
+
+	adis16300_uninitialize_ring(indio_dev->ring);
+	adis16300_unconfigure_ring(indio_dev);
+	iio_device_unregister(indio_dev);
+	kfree(st->tx);
+	kfree(st->rx);
+	kfree(st);
+
+	return 0;
+
+err_ret:
+	return ret;
+}
+
+static struct spi_driver adis16300_driver = {
+	.driver = {
+		.name = "adis16300",
+		.owner = THIS_MODULE,
+	},
+	.probe = adis16300_probe,
+	.remove = __devexit_p(adis16300_remove),
+};
+
+static __init int adis16300_init(void)
+{
+	return spi_register_driver(&adis16300_driver);
+}
+module_init(adis16300_init);
+
+static __exit void adis16300_exit(void)
+{
+	spi_unregister_driver(&adis16300_driver);
+}
+module_exit(adis16300_exit);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16300 IMU SPI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/imu/adis16300_ring.c b/drivers/staging/iio/imu/adis16300_ring.c
new file mode 100644
index 00000000000..76cf8a6f3c3
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16300_ring.c
@@ -0,0 +1,233 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../ring_sw.h"
+#include "../accel/accel.h"
+#include "../trigger.h"
+#include "adis16300.h"
+
+/**
+ * combine_8_to_16() utility function to munge to u8s into u16
+ **/
+static inline u16 combine_8_to_16(u8 lower, u8 upper)
+{
+	u16 _lower = lower;
+	u16 _upper = upper;
+	return _lower | (_upper << 8);
+}
+
+static IIO_SCAN_EL_C(supply, ADIS16300_SCAN_SUPPLY, IIO_SIGNED(14),
+		     ADIS16300_SUPPLY_OUT, NULL);
+
+static IIO_SCAN_EL_C(gyro_x, ADIS16300_SCAN_GYRO_X, IIO_SIGNED(14),
+		     ADIS16300_XGYRO_OUT, NULL);
+
+static IIO_SCAN_EL_C(accel_x, ADIS16300_SCAN_ACC_X, IIO_SIGNED(14),
+		     ADIS16300_XACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_y, ADIS16300_SCAN_ACC_Y, IIO_SIGNED(14),
+		     ADIS16300_YACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_z, ADIS16300_SCAN_ACC_Z, IIO_SIGNED(14),
+		     ADIS16300_ZACCL_OUT, NULL);
+
+static IIO_SCAN_EL_C(temp, ADIS16300_SCAN_TEMP, IIO_SIGNED(12),
+		     ADIS16300_TEMP_OUT, NULL);
+static IIO_SCAN_EL_C(adc_0, ADIS16300_SCAN_ADC_0, IIO_SIGNED(12),
+		     ADIS16300_AUX_ADC, NULL);
+
+static IIO_SCAN_EL_C(incli_x, ADIS16300_SCAN_INCLI_X, IIO_SIGNED(12),
+		     ADIS16300_XINCLI_OUT, NULL);
+static IIO_SCAN_EL_C(incli_y, ADIS16300_SCAN_INCLI_Y, IIO_SIGNED(12),
+		     ADIS16300_YINCLI_OUT, NULL);
+
+static IIO_SCAN_EL_TIMESTAMP(9);
+
+static struct attribute *adis16300_scan_el_attrs[] = {
+	&iio_scan_el_supply.dev_attr.attr,
+	&iio_scan_el_gyro_x.dev_attr.attr,
+	&iio_scan_el_temp.dev_attr.attr,
+	&iio_scan_el_accel_x.dev_attr.attr,
+	&iio_scan_el_accel_y.dev_attr.attr,
+	&iio_scan_el_accel_z.dev_attr.attr,
+	&iio_scan_el_incli_x.dev_attr.attr,
+	&iio_scan_el_incli_y.dev_attr.attr,
+	&iio_scan_el_adc_0.dev_attr.attr,
+	&iio_scan_el_timestamp.dev_attr.attr,
+	NULL,
+};
+
+static struct attribute_group adis16300_scan_el_group = {
+	.attrs = adis16300_scan_el_attrs,
+	.name = "scan_elements",
+};
+
+/**
+ * adis16300_poll_func_th() top half interrupt handler called by trigger
+ * @private_data:	iio_dev
+ **/
+static void adis16300_poll_func_th(struct iio_dev *indio_dev)
+{
+	struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
+	st->last_timestamp = indio_dev->trig->timestamp;
+	schedule_work(&st->work_trigger_to_ring);
+	/* Indicate that this interrupt is being handled */
+
+	/* Technically this is trigger related, but without this
+	 * handler running there is currently no way for the interrupt
+	 * to clear.
+	 */
+}
+
+/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device
+ * specific to be rolled into the core.
+ */
+static void adis16300_trigger_bh_to_ring(struct work_struct *work_s)
+{
+	struct adis16300_state *st
+		= container_of(work_s, struct adis16300_state,
+			       work_trigger_to_ring);
+
+	int i = 0;
+	s16 *data;
+	size_t datasize = st->indio_dev
+		->ring->access.get_bpd(st->indio_dev->ring);
+
+	data = kmalloc(datasize , GFP_KERNEL);
+	if (data == NULL) {
+		dev_err(&st->us->dev, "memory alloc failed in ring bh");
+		return;
+	}
+
+	if (st->indio_dev->scan_count)
+		if (adis16300_spi_read_burst(&st->indio_dev->dev, st->rx) >= 0)
+			for (; i < st->indio_dev->scan_count; i++) {
+				data[i] = combine_8_to_16(st->rx[i*2+1],
+							  st->rx[i*2]);
+			}
+
+	/* Guaranteed to be aligned with 8 byte boundary */
+	if (st->indio_dev->scan_timestamp)
+		*((s64 *)(data + ((i + 3)/4)*4)) = st->last_timestamp;
+
+	st->indio_dev->ring->access.store_to(st->indio_dev->ring,
+					    (u8 *)data,
+					    st->last_timestamp);
+
+	iio_trigger_notify_done(st->indio_dev->trig);
+	kfree(data);
+
+	return;
+}
+/* in these circumstances is it better to go with unaligned packing and
+ * deal with the cost?*/
+static int adis16300_data_rdy_ring_preenable(struct iio_dev *indio_dev)
+{
+	size_t size;
+	dev_dbg(&indio_dev->dev, "%s\n", __func__);
+	/* Check if there are any scan elements enabled, if not fail*/
+	if (!(indio_dev->scan_count || indio_dev->scan_timestamp))
+		return -EINVAL;
+
+	if (indio_dev->ring->access.set_bpd) {
+		if (indio_dev->scan_timestamp)
+			if (indio_dev->scan_count) /* Timestamp and data */
+				size = 4*sizeof(s64);
+			else /* Timestamp only  */
+				size = sizeof(s64);
+		else /* Data only */
+			size = indio_dev->scan_count*sizeof(s16);
+		indio_dev->ring->access.set_bpd(indio_dev->ring, size);
+	}
+
+	return 0;
+}
+
+static int adis16300_data_rdy_ring_postenable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_attach_poll_func(indio_dev->trig,
+					       indio_dev->pollfunc)
+		: 0;
+}
+
+static int adis16300_data_rdy_ring_predisable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_dettach_poll_func(indio_dev->trig,
+						indio_dev->pollfunc)
+		: 0;
+}
+
+void adis16300_unconfigure_ring(struct iio_dev *indio_dev)
+{
+	kfree(indio_dev->pollfunc);
+	iio_sw_rb_free(indio_dev->ring);
+}
+
+int adis16300_configure_ring(struct iio_dev *indio_dev)
+{
+	int ret = 0;
+	struct adis16300_state *st = indio_dev->dev_data;
+	struct iio_ring_buffer *ring;
+	INIT_WORK(&st->work_trigger_to_ring, adis16300_trigger_bh_to_ring);
+	/* Set default scan mode */
+
+	iio_scan_mask_set(indio_dev, iio_scan_el_supply.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_gyro_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_z.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_temp.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_adc_0.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_incli_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_incli_y.number);
+	indio_dev->scan_timestamp = true;
+
+	indio_dev->scan_el_attrs = &adis16300_scan_el_group;
+
+	ring = iio_sw_rb_allocate(indio_dev);
+	if (!ring) {
+		ret = -ENOMEM;
+		return ret;
+	}
+	indio_dev->ring = ring;
+	/* Effectively select the ring buffer implementation */
+	iio_ring_sw_register_funcs(&ring->access);
+	ring->preenable = &adis16300_data_rdy_ring_preenable;
+	ring->postenable = &adis16300_data_rdy_ring_postenable;
+	ring->predisable = &adis16300_data_rdy_ring_predisable;
+	ring->owner = THIS_MODULE;
+
+	indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL);
+	if (indio_dev->pollfunc == NULL) {
+		ret = -ENOMEM;
+		goto error_iio_sw_rb_free;;
+	}
+	indio_dev->pollfunc->poll_func_main = &adis16300_poll_func_th;
+	indio_dev->pollfunc->private_data = indio_dev;
+	indio_dev->modes |= INDIO_RING_TRIGGERED;
+	return 0;
+
+error_iio_sw_rb_free:
+	iio_sw_rb_free(indio_dev->ring);
+	return ret;
+}
+
+int adis16300_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return iio_ring_buffer_register(ring, 0);
+}
+
+void adis16300_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+	iio_ring_buffer_unregister(ring);
+}
diff --git a/drivers/staging/iio/imu/adis16300_trigger.c b/drivers/staging/iio/imu/adis16300_trigger.c
new file mode 100644
index 00000000000..54edb20bf11
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16300_trigger.c
@@ -0,0 +1,127 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+#include <linux/spi/spi.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../trigger.h"
+#include "adis16300.h"
+
+/**
+ * adis16300_data_rdy_trig_poll() the event handler for the data rdy trig
+ **/
+static int adis16300_data_rdy_trig_poll(struct iio_dev *dev_info,
+				       int index,
+				       s64 timestamp,
+				       int no_test)
+{
+	struct adis16300_state *st = iio_dev_get_devdata(dev_info);
+	struct iio_trigger *trig = st->trig;
+
+	trig->timestamp = timestamp;
+	iio_trigger_poll(trig);
+
+	return IRQ_HANDLED;
+}
+
+IIO_EVENT_SH(data_rdy_trig, &adis16300_data_rdy_trig_poll);
+
+static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
+
+static struct attribute *adis16300_trigger_attrs[] = {
+	&dev_attr_name.attr,
+	NULL,
+};
+
+static const struct attribute_group adis16300_trigger_attr_group = {
+	.attrs = adis16300_trigger_attrs,
+};
+
+/**
+ * adis16300_data_rdy_trigger_set_state() set datardy interrupt state
+ **/
+static int adis16300_data_rdy_trigger_set_state(struct iio_trigger *trig,
+						bool state)
+{
+	struct adis16300_state *st = trig->private_data;
+	struct iio_dev *indio_dev = st->indio_dev;
+	int ret = 0;
+
+	dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
+	ret = adis16300_set_irq(&st->indio_dev->dev, state);
+	if (state == false) {
+		iio_remove_event_from_list(&iio_event_data_rdy_trig,
+					   &indio_dev->interrupts[0]
+					   ->ev_list);
+		/* possible quirk with handler currently worked around
+		   by ensuring the work queue is empty */
+		flush_scheduled_work();
+	} else {
+		iio_add_event_to_list(&iio_event_data_rdy_trig,
+				      &indio_dev->interrupts[0]->ev_list);
+	}
+	return ret;
+}
+
+/**
+ * adis16300_trig_try_reen() try renabling irq for data rdy trigger
+ * @trig:	the datardy trigger
+ **/
+static int adis16300_trig_try_reen(struct iio_trigger *trig)
+{
+	struct adis16300_state *st = trig->private_data;
+	enable_irq(st->us->irq);
+	/* irq reenabled so success! */
+	return 0;
+}
+
+int adis16300_probe_trigger(struct iio_dev *indio_dev)
+{
+	int ret;
+	struct adis16300_state *st = indio_dev->dev_data;
+
+	st->trig = iio_allocate_trigger();
+	st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
+	if (!st->trig->name) {
+		ret = -ENOMEM;
+		goto error_free_trig;
+	}
+	snprintf((char *)st->trig->name,
+		 IIO_TRIGGER_NAME_LENGTH,
+		 "adis16300-dev%d", indio_dev->id);
+	st->trig->dev.parent = &st->us->dev;
+	st->trig->owner = THIS_MODULE;
+	st->trig->private_data = st;
+	st->trig->set_trigger_state = &adis16300_data_rdy_trigger_set_state;
+	st->trig->try_reenable = &adis16300_trig_try_reen;
+	st->trig->control_attrs = &adis16300_trigger_attr_group;
+	ret = iio_trigger_register(st->trig);
+
+	/* select default trigger */
+	indio_dev->trig = st->trig;
+	if (ret)
+		goto error_free_trig_name;
+
+	return 0;
+
+error_free_trig_name:
+	kfree(st->trig->name);
+error_free_trig:
+	iio_free_trigger(st->trig);
+
+	return ret;
+}
+
+void adis16300_remove_trigger(struct iio_dev *indio_dev)
+{
+	struct adis16300_state *state = indio_dev->dev_data;
+
+	iio_trigger_unregister(state->trig);
+	kfree(state->trig->name);
+	iio_free_trigger(state->trig);
+}

From a9d26f00b8b1b2a79e42cfa4ca20ec9a1c11c1d2 Mon Sep 17 00:00:00 2001
From: Barry Song <Barry.Song@analog.com>
Date: Tue, 4 May 2010 14:43:15 +0100
Subject: [PATCH 1146/3638] staging:iio:imu ADIS16400 and ADIS16405 driver

Signed-off-by: Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
Signed-off-by: Barry Song <Barry.Song@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/imu/Kconfig             |  10 +
 drivers/staging/iio/imu/Makefile            |   4 +
 drivers/staging/iio/imu/adis16400.h         | 238 ++++++
 drivers/staging/iio/imu/adis16400_core.c    | 849 ++++++++++++++++++++
 drivers/staging/iio/imu/adis16400_ring.c    | 245 ++++++
 drivers/staging/iio/imu/adis16400_trigger.c | 127 +++
 drivers/staging/iio/magnetometer/magnet.h   |  31 +
 7 files changed, 1504 insertions(+)
 create mode 100644 drivers/staging/iio/imu/adis16400.h
 create mode 100644 drivers/staging/iio/imu/adis16400_core.c
 create mode 100644 drivers/staging/iio/imu/adis16400_ring.c
 create mode 100644 drivers/staging/iio/imu/adis16400_trigger.c
 create mode 100644 drivers/staging/iio/magnetometer/magnet.h

diff --git a/drivers/staging/iio/imu/Kconfig b/drivers/staging/iio/imu/Kconfig
index 3fe47161e76..411804f11a7 100644
--- a/drivers/staging/iio/imu/Kconfig
+++ b/drivers/staging/iio/imu/Kconfig
@@ -12,3 +12,13 @@ config ADIS16300
 	help
 	  Say yes here to build support for Analog Devices adis16300 four degrees
 	  of freedom inertial sensor.
+
+config ADIS16400
+	tristate "Analog Devices ADIS16400/5 IMU SPI driver"
+ 	depends on SPI
+	select IIO_SW_RING
+	select IIO_RING_BUFFER
+	select IIO_TRIGGER
+ 	help
+ 	  Say yes here to build support for Analog Devices adis16400/5 triaxial
+ 	  inertial sensor with Magnetometer.
\ No newline at end of file
diff --git a/drivers/staging/iio/imu/Makefile b/drivers/staging/iio/imu/Makefile
index 4cd5984137b..de454dd08c6 100644
--- a/drivers/staging/iio/imu/Makefile
+++ b/drivers/staging/iio/imu/Makefile
@@ -4,3 +4,7 @@
 adis16300-y             := adis16300_core.o
 adis16300-$(CONFIG_IIO_RING_BUFFER) += adis16300_ring.o adis16300_trigger.o
 obj-$(CONFIG_ADIS16300) += adis16300.o
+
+adis16400-y             := adis16400_core.o
+adis16400-$(CONFIG_IIO_RING_BUFFER) += adis16400_ring.o adis16400_trigger.o
+obj-$(CONFIG_ADIS16400) += adis16400.o
\ No newline at end of file
diff --git a/drivers/staging/iio/imu/adis16400.h b/drivers/staging/iio/imu/adis16400.h
new file mode 100644
index 00000000000..a8062f60579
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16400.h
@@ -0,0 +1,238 @@
+/*
+ * adis16400.h	support Analog Devices ADIS16400
+ *		3d 18g accelerometers,
+ *		3d gyroscopes,
+ *		3d 2.5gauss magnetometers via SPI
+ *
+ * Copyright (c) 2009 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
+ * Copyright (c) 2007 Jonathan Cameron <jic23@cam.ac.uk>
+ *
+ * Loosely based upon lis3l02dq.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef SPI_ADIS16400_H_
+#define SPI_ADIS16400_H_
+
+#define ADIS16400_STARTUP_DELAY	220 /* ms */
+
+#define ADIS16400_READ_REG(a)    a
+#define ADIS16400_WRITE_REG(a) ((a) | 0x80)
+
+#define ADIS16400_FLASH_CNT  0x00 /* Flash memory write count */
+#define ADIS16400_SUPPLY_OUT 0x02 /* Power supply measurement */
+#define ADIS16400_XGYRO_OUT 0x04 /* X-axis gyroscope output */
+#define ADIS16400_YGYRO_OUT 0x06 /* Y-axis gyroscope output */
+#define ADIS16400_ZGYRO_OUT 0x08 /* Z-axis gyroscope output */
+#define ADIS16400_XACCL_OUT 0x0A /* X-axis accelerometer output */
+#define ADIS16400_YACCL_OUT 0x0C /* Y-axis accelerometer output */
+#define ADIS16400_ZACCL_OUT 0x0E /* Z-axis accelerometer output */
+#define ADIS16400_XMAGN_OUT 0x10 /* X-axis magnetometer measurement */
+#define ADIS16400_YMAGN_OUT 0x12 /* Y-axis magnetometer measurement */
+#define ADIS16400_ZMAGN_OUT 0x14 /* Z-axis magnetometer measurement */
+#define ADIS16400_TEMP_OUT  0x16 /* Temperature output */
+#define ADIS16400_AUX_ADC   0x18 /* Auxiliary ADC measurement */
+
+/* Calibration parameters */
+#define ADIS16400_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */
+#define ADIS16400_YGYRO_OFF 0x1C /* Y-axis gyroscope bias offset factor */
+#define ADIS16400_ZGYRO_OFF 0x1E /* Z-axis gyroscope bias offset factor */
+#define ADIS16400_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */
+#define ADIS16400_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */
+#define ADIS16400_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */
+#define ADIS16400_XMAGN_HIF 0x26 /* X-axis magnetometer, hard-iron factor */
+#define ADIS16400_YMAGN_HIF 0x28 /* Y-axis magnetometer, hard-iron factor */
+#define ADIS16400_ZMAGN_HIF 0x2A /* Z-axis magnetometer, hard-iron factor */
+#define ADIS16400_XMAGN_SIF 0x2C /* X-axis magnetometer, soft-iron factor */
+#define ADIS16400_YMAGN_SIF 0x2E /* Y-axis magnetometer, soft-iron factor */
+#define ADIS16400_ZMAGN_SIF 0x30 /* Z-axis magnetometer, soft-iron factor */
+
+#define ADIS16400_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */
+#define ADIS16400_MSC_CTRL  0x34 /* Miscellaneous control */
+#define ADIS16400_SMPL_PRD  0x36 /* Internal sample period (rate) control */
+#define ADIS16400_SENS_AVG  0x38 /* Dynamic range and digital filter control */
+#define ADIS16400_SLP_CNT   0x3A /* Sleep mode control */
+#define ADIS16400_DIAG_STAT 0x3C /* System status */
+
+/* Alarm functions */
+#define ADIS16400_GLOB_CMD  0x3E /* System command */
+#define ADIS16400_ALM_MAG1  0x40 /* Alarm 1 amplitude threshold */
+#define ADIS16400_ALM_MAG2  0x42 /* Alarm 2 amplitude threshold */
+#define ADIS16400_ALM_SMPL1 0x44 /* Alarm 1 sample size */
+#define ADIS16400_ALM_SMPL2 0x46 /* Alarm 2 sample size */
+#define ADIS16400_ALM_CTRL  0x48 /* Alarm control */
+#define ADIS16400_AUX_DAC   0x4A /* Auxiliary DAC data */
+
+#define ADIS16400_PRODUCT_ID 0x56 /* Product identifier */
+#define ADIS16400_PRODUCT_ID_DEFAULT 0x4015	/* Datasheet says 0x4105, I get 0x4015 */
+
+#define ADIS16400_ERROR_ACTIVE			(1<<14)
+#define ADIS16400_NEW_DATA			(1<<14)
+
+/* MSC_CTRL */
+#define ADIS16400_MSC_CTRL_MEM_TEST		(1<<11)
+#define ADIS16400_MSC_CTRL_INT_SELF_TEST	(1<<10)
+#define ADIS16400_MSC_CTRL_NEG_SELF_TEST	(1<<9)
+#define ADIS16400_MSC_CTRL_POS_SELF_TEST	(1<<8)
+#define ADIS16400_MSC_CTRL_GYRO_BIAS		(1<<7)
+#define ADIS16400_MSC_CTRL_ACCL_ALIGN		(1<<6)
+#define ADIS16400_MSC_CTRL_DATA_RDY_EN		(1<<2)
+#define ADIS16400_MSC_CTRL_DATA_RDY_POL_HIGH	(1<<1)
+#define ADIS16400_MSC_CTRL_DATA_RDY_DIO2	(1<<0)
+
+/* SMPL_PRD */
+#define ADIS16400_SMPL_PRD_TIME_BASE	(1<<7)
+#define ADIS16400_SMPL_PRD_DIV_MASK	0x7F
+
+/* DIAG_STAT */
+#define ADIS16400_DIAG_STAT_ZACCL_FAIL	(1<<15)
+#define ADIS16400_DIAG_STAT_YACCL_FAIL	(1<<14)
+#define ADIS16400_DIAG_STAT_XACCL_FAIL	(1<<13)
+#define ADIS16400_DIAG_STAT_XGYRO_FAIL	(1<<12)
+#define ADIS16400_DIAG_STAT_YGYRO_FAIL	(1<<11)
+#define ADIS16400_DIAG_STAT_ZGYRO_FAIL	(1<<10)
+#define ADIS16400_DIAG_STAT_ALARM2	(1<<9)
+#define ADIS16400_DIAG_STAT_ALARM1	(1<<8)
+#define ADIS16400_DIAG_STAT_FLASH_CHK	(1<<6)
+#define ADIS16400_DIAG_STAT_SELF_TEST	(1<<5)
+#define ADIS16400_DIAG_STAT_OVERFLOW	(1<<4)
+#define ADIS16400_DIAG_STAT_SPI_FAIL	(1<<3)
+#define ADIS16400_DIAG_STAT_FLASH_UPT	(1<<2)
+#define ADIS16400_DIAG_STAT_POWER_HIGH	(1<<1)
+#define ADIS16400_DIAG_STAT_POWER_LOW	(1<<0)
+
+/* GLOB_CMD */
+#define ADIS16400_GLOB_CMD_SW_RESET	(1<<7)
+#define ADIS16400_GLOB_CMD_P_AUTO_NULL	(1<<4)
+#define ADIS16400_GLOB_CMD_FLASH_UPD	(1<<3)
+#define ADIS16400_GLOB_CMD_DAC_LATCH	(1<<2)
+#define ADIS16400_GLOB_CMD_FAC_CALIB	(1<<1)
+#define ADIS16400_GLOB_CMD_AUTO_NULL	(1<<0)
+
+/* SLP_CNT */
+#define ADIS16400_SLP_CNT_POWER_OFF	(1<<8)
+
+#define ADIS16400_MAX_TX 24
+#define ADIS16400_MAX_RX 24
+
+#define ADIS16400_SPI_SLOW	(u32)(300 * 1000)
+#define ADIS16400_SPI_BURST	(u32)(1000 * 1000)
+#define ADIS16400_SPI_FAST	(u32)(2000 * 1000)
+
+/**
+ * struct adis16400_state - device instance specific data
+ * @us:			actual spi_device
+ * @work_trigger_to_ring: bh for triggered event handling
+ * @work_cont_thresh: CLEAN
+ * @inter:		used to check if new interrupt has been triggered
+ * @last_timestamp:	passing timestamp from th to bh of interrupt handler
+ * @indio_dev:		industrial I/O device structure
+ * @trig:		data ready trigger registered with iio
+ * @tx:			transmit buffer
+ * @rx:			recieve buffer
+ * @buf_lock:		mutex to protect tx and rx
+ **/
+struct adis16400_state {
+	struct spi_device		*us;
+	struct work_struct		work_trigger_to_ring;
+	struct iio_work_cont		work_cont_thresh;
+	s64				last_timestamp;
+	struct iio_dev			*indio_dev;
+	struct iio_trigger		*trig;
+	u8				*tx;
+	u8				*rx;
+	struct mutex			buf_lock;
+};
+
+int adis16400_spi_write_reg_8(struct device *dev,
+			      u8 reg_address,
+			      u8 val);
+
+int adis16400_spi_read_burst(struct device *dev, u8 *rx);
+
+int adis16400_spi_read_sequence(struct device *dev,
+				      u8 *tx, u8 *rx, int num);
+
+int adis16400_set_irq(struct device *dev, bool enable);
+
+int adis16400_reset(struct device *dev);
+
+int adis16400_stop_device(struct device *dev);
+
+int adis16400_check_status(struct device *dev);
+
+#ifdef CONFIG_IIO_RING_BUFFER
+/* At the moment triggers are only used for ring buffer
+ * filling. This may change!
+ */
+
+enum adis16400_scan {
+	ADIS16400_SCAN_SUPPLY,
+	ADIS16400_SCAN_GYRO_X,
+	ADIS16400_SCAN_GYRO_Y,
+	ADIS16400_SCAN_GYRO_Z,
+	ADIS16400_SCAN_ACC_X,
+	ADIS16400_SCAN_ACC_Y,
+	ADIS16400_SCAN_ACC_Z,
+	ADIS16400_SCAN_MAGN_X,
+	ADIS16400_SCAN_MAGN_Y,
+	ADIS16400_SCAN_MAGN_Z,
+	ADIS16400_SCAN_TEMP,
+	ADIS16400_SCAN_ADC_0
+};
+
+void adis16400_remove_trigger(struct iio_dev *indio_dev);
+int adis16400_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t adis16400_read_data_from_ring(struct device *dev,
+				      struct device_attribute *attr,
+				      char *buf);
+
+
+int adis16400_configure_ring(struct iio_dev *indio_dev);
+void adis16400_unconfigure_ring(struct iio_dev *indio_dev);
+
+int adis16400_initialize_ring(struct iio_ring_buffer *ring);
+void adis16400_uninitialize_ring(struct iio_ring_buffer *ring);
+#else /* CONFIG_IIO_RING_BUFFER */
+
+static inline void adis16400_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16400_probe_trigger(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline ssize_t
+adis16400_read_data_from_ring(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	return 0;
+}
+
+static int adis16400_configure_ring(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline void adis16400_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16400_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return 0;
+}
+
+static inline void adis16400_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+}
+
+#endif /* CONFIG_IIO_RING_BUFFER */
+#endif /* SPI_ADIS16400_H_ */
diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c
new file mode 100644
index 00000000000..27e4a734807
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16400_core.c
@@ -0,0 +1,849 @@
+/*
+ * adis16400.c	support Analog Devices ADIS16400/5
+ *		3d 2g Linear Accelerometers,
+ *		3d Gyroscopes,
+ *		3d Magnetometers via SPI
+ *
+ * Copyright (c) 2009 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
+ * Copyright (c) 2007 Jonathan Cameron <jic23@cam.ac.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../accel/accel.h"
+#include "../adc/adc.h"
+#include "../gyro/gyro.h"
+#include "../magnetometer/magnet.h"
+
+#include "adis16400.h"
+
+#define DRIVER_NAME		"adis16400"
+
+/* At the moment the spi framework doesn't allow global setting of cs_change.
+ * It's in the likely to be added comment at the top of spi.h.
+ * This means that use cannot be made of spi_write etc.
+ */
+
+/**
+ * adis16400_spi_write_reg_8() - write single byte to a register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the register to be written
+ * @val: the value to write
+ **/
+int adis16400_spi_write_reg_8(struct device *dev,
+		u8 reg_address,
+		u8 val)
+{
+	int ret;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16400_state *st = iio_dev_get_devdata(indio_dev);
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16400_WRITE_REG(reg_address);
+	st->tx[1] = val;
+
+	ret = spi_write(st->us, st->tx, 2);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16400_spi_write_reg_16() - write 2 bytes to a pair of registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: value to be written
+ **/
+static int adis16400_spi_write_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 value)
+{
+	int ret;
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16400_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+		}, {
+			.tx_buf = st->tx + 2,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16400_WRITE_REG(lower_reg_address);
+	st->tx[1] = value & 0xFF;
+	st->tx[2] = ADIS16400_WRITE_REG(lower_reg_address + 1);
+	st->tx[3] = (value >> 8) & 0xFF;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16400_spi_read_reg_16() - read 2 bytes from a 16-bit register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: somewhere to pass back the value read
+ **/
+static int adis16400_spi_read_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 *val)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16400_state *st = iio_dev_get_devdata(indio_dev);
+	int ret;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+		}, {
+			.rx_buf = st->rx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16400_READ_REG(lower_reg_address);
+	st->tx[1] = 0;
+	st->tx[2] = 0;
+	st->tx[3] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	if (ret) {
+		dev_err(&st->us->dev,
+			"problem when reading 16 bit register 0x%02X",
+			lower_reg_address);
+		goto error_ret;
+	}
+	*val = (st->rx[0] << 8) | st->rx[1];
+
+error_ret:
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+/**
+ * adis16400_spi_read_burst() - read all data registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @rx: somewhere to pass back the value read (min size is 24 bytes)
+ **/
+int adis16400_spi_read_burst(struct device *dev, u8 *rx)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16400_state *st = iio_dev_get_devdata(indio_dev);
+	u32 old_speed_hz = st->us->max_speed_hz;
+	int ret;
+
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 0,
+		}, {
+			.rx_buf = rx,
+			.bits_per_word = 8,
+			.len = 24,
+			.cs_change = 1,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16400_READ_REG(ADIS16400_GLOB_CMD);
+	st->tx[1] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+
+	st->us->max_speed_hz = min(ADIS16400_SPI_BURST, old_speed_hz);
+	spi_setup(st->us);
+
+	ret = spi_sync(st->us, &msg);
+	if (ret)
+		dev_err(&st->us->dev, "problem when burst reading");
+
+	st->us->max_speed_hz = old_speed_hz;
+	spi_setup(st->us);
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+/**
+ * adis16400_spi_read_sequence() - read a sequence of 16-bit registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @tx: register addresses in bytes 0,2,4,6... (min size is 2*num bytes)
+ * @rx: somewhere to pass back the value read (min size is 2*num bytes)
+ **/
+int adis16400_spi_read_sequence(struct device *dev,
+		u8 *tx, u8 *rx, int num)
+{
+	struct spi_message msg;
+	struct spi_transfer *xfers;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16400_state *st = iio_dev_get_devdata(indio_dev);
+	int ret, i;
+
+	xfers = kzalloc(num + 1, GFP_KERNEL);
+	if (xfers == NULL) {
+		dev_err(&st->us->dev, "memory alloc failed");
+		ret = -ENOMEM;
+		goto error_ret;
+	}
+
+	/* tx: |add1|addr2|addr3|...|addrN |zero|
+	 * rx: |zero|res1 |res2 |...|resN-1|resN| */
+	spi_message_init(&msg);
+	for (i = 0; i < num + 1; i++) {
+		if (i > 0)
+			xfers[i].rx_buf = st->rx + 2*(i - 1);
+		if (i < num)
+			xfers[i].tx_buf = st->tx + 2*i;
+		xfers[i].bits_per_word = 8;
+		xfers[i].len = 2;
+		xfers[i].cs_change = 1;
+		spi_message_add_tail(&xfers[i], &msg);
+	}
+
+	mutex_lock(&st->buf_lock);
+
+	ret = spi_sync(st->us, &msg);
+	if (ret)
+		dev_err(&st->us->dev, "problem when reading sequence");
+
+	mutex_unlock(&st->buf_lock);
+	kfree(xfers);
+
+error_ret:
+	return ret;
+}
+
+static ssize_t adis16400_spi_read_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf,
+		unsigned bits)
+{
+	int ret;
+	s16 val = 0;
+	unsigned shift = 16 - bits;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16400_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16400_ERROR_ACTIVE)
+		adis16400_check_status(dev);
+	val = ((s16)(val << shift) >> shift);
+	return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t adis16400_read_12bit_unsigned(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret;
+	u16 val = 0;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16400_spi_read_reg_16(dev, this_attr->address, &val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16400_ERROR_ACTIVE)
+		adis16400_check_status(dev);
+
+	return sprintf(buf, "%u\n", val & 0x0FFF);
+}
+
+static ssize_t adis16400_read_14bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16400_spi_read_signed(dev, attr, buf, 14);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16400_read_12bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16400_spi_read_signed(dev, attr, buf, 12);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+
+static ssize_t adis16400_write_16bit(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	int ret;
+	long val;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		goto error_ret;
+	ret = adis16400_spi_write_reg_16(dev, this_attr->address, val);
+
+error_ret:
+	return ret ? ret : len;
+}
+
+static ssize_t adis16400_read_frequency(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret, len = 0;
+	u16 t;
+	int sps;
+	ret = adis16400_spi_read_reg_16(dev,
+			ADIS16400_SMPL_PRD,
+			&t);
+	if (ret)
+		return ret;
+	sps =  (t & ADIS16400_SMPL_PRD_TIME_BASE) ? 53 : 1638;
+	sps /= (t & ADIS16400_SMPL_PRD_DIV_MASK) + 1;
+	len = sprintf(buf, "%d SPS\n", sps);
+	return len;
+}
+
+static ssize_t adis16400_write_frequency(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16400_state *st = iio_dev_get_devdata(indio_dev);
+	long val;
+	int ret;
+	u8 t;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	mutex_lock(&indio_dev->mlock);
+
+	t = (1638 / val);
+	if (t > 0)
+		t--;
+	t &= ADIS16400_SMPL_PRD_DIV_MASK;
+	if ((t & ADIS16400_SMPL_PRD_DIV_MASK) >= 0x0A)
+		st->us->max_speed_hz = ADIS16400_SPI_SLOW;
+	else
+		st->us->max_speed_hz = ADIS16400_SPI_FAST;
+
+	ret = adis16400_spi_write_reg_8(dev,
+			ADIS16400_SMPL_PRD,
+			t);
+
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret ? ret : len;
+}
+
+static ssize_t adis16400_write_reset(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t len)
+{
+	if (len < 1)
+		return -1;
+	switch (buf[0]) {
+	case '1':
+	case 'y':
+	case 'Y':
+		return adis16400_reset(dev);
+	}
+	return -1;
+}
+
+
+
+int adis16400_set_irq(struct device *dev, bool enable)
+{
+	int ret;
+	u16 msc;
+	ret = adis16400_spi_read_reg_16(dev, ADIS16400_MSC_CTRL, &msc);
+	if (ret)
+		goto error_ret;
+
+	msc |= ADIS16400_MSC_CTRL_DATA_RDY_POL_HIGH;
+	if (enable)
+		msc |= ADIS16400_MSC_CTRL_DATA_RDY_EN;
+	else
+		msc &= ~ADIS16400_MSC_CTRL_DATA_RDY_EN;
+
+	ret = adis16400_spi_write_reg_16(dev, ADIS16400_MSC_CTRL, msc);
+	if (ret)
+		goto error_ret;
+
+error_ret:
+	return ret;
+}
+
+int adis16400_reset(struct device *dev)
+{
+	int ret;
+	ret = adis16400_spi_write_reg_8(dev,
+			ADIS16400_GLOB_CMD,
+			ADIS16400_GLOB_CMD_SW_RESET);
+	if (ret)
+		dev_err(dev, "problem resetting device");
+
+	return ret;
+}
+
+/* Power down the device */
+int adis16400_stop_device(struct device *dev)
+{
+	int ret;
+	u16 val = ADIS16400_SLP_CNT_POWER_OFF;
+
+	ret = adis16400_spi_write_reg_16(dev, ADIS16400_SLP_CNT, val);
+	if (ret)
+		dev_err(dev, "problem with turning device off: SLP_CNT");
+
+	return ret;
+}
+
+int adis16400_self_test(struct device *dev)
+{
+	int ret;
+	ret = adis16400_spi_write_reg_16(dev,
+			ADIS16400_MSC_CTRL,
+			ADIS16400_MSC_CTRL_MEM_TEST);
+	if (ret) {
+		dev_err(dev, "problem starting self test");
+		goto err_ret;
+	}
+
+	adis16400_check_status(dev);
+
+err_ret:
+	return ret;
+}
+
+int adis16400_check_status(struct device *dev)
+{
+	u16 status;
+	int ret;
+
+	ret = adis16400_spi_read_reg_16(dev, ADIS16400_DIAG_STAT, &status);
+
+	if (ret < 0) {
+		dev_err(dev, "Reading status failed\n");
+		goto error_ret;
+	}
+	ret = status;
+	if (status & ADIS16400_DIAG_STAT_ZACCL_FAIL)
+		dev_err(dev, "Z-axis accelerometer self-test failure\n");
+	if (status & ADIS16400_DIAG_STAT_YACCL_FAIL)
+		dev_err(dev, "Y-axis accelerometer self-test failure\n");
+	if (status & ADIS16400_DIAG_STAT_XACCL_FAIL)
+		dev_err(dev, "X-axis accelerometer self-test failure\n");
+	if (status & ADIS16400_DIAG_STAT_XGYRO_FAIL)
+		dev_err(dev, "X-axis gyroscope self-test failure\n");
+	if (status & ADIS16400_DIAG_STAT_YGYRO_FAIL)
+		dev_err(dev, "Y-axis gyroscope self-test failure\n");
+	if (status & ADIS16400_DIAG_STAT_ZGYRO_FAIL)
+		dev_err(dev, "Z-axis gyroscope self-test failure\n");
+	if (status & ADIS16400_DIAG_STAT_ALARM2)
+		dev_err(dev, "Alarm 2 active\n");
+	if (status & ADIS16400_DIAG_STAT_ALARM1)
+		dev_err(dev, "Alarm 1 active\n");
+	if (status & ADIS16400_DIAG_STAT_FLASH_CHK)
+		dev_err(dev, "Flash checksum error\n");
+	if (status & ADIS16400_DIAG_STAT_SELF_TEST)
+		dev_err(dev, "Self test error\n");
+	if (status & ADIS16400_DIAG_STAT_OVERFLOW)
+		dev_err(dev, "Sensor overrange\n");
+	if (status & ADIS16400_DIAG_STAT_SPI_FAIL)
+		dev_err(dev, "SPI failure\n");
+	if (status & ADIS16400_DIAG_STAT_FLASH_UPT)
+		dev_err(dev, "Flash update failed\n");
+	if (status & ADIS16400_DIAG_STAT_POWER_HIGH)
+		dev_err(dev, "Power supply above 5.25V\n");
+	if (status & ADIS16400_DIAG_STAT_POWER_LOW)
+		dev_err(dev, "Power supply below 4.75V\n");
+
+error_ret:
+	return ret;
+}
+
+static int adis16400_initial_setup(struct adis16400_state *st)
+{
+	int ret;
+	u16 prod_id, smp_prd;
+	struct device *dev = &st->indio_dev->dev;
+
+	/* use low spi speed for init */
+	st->us->max_speed_hz = ADIS16400_SPI_SLOW;
+	st->us->mode = SPI_MODE_3;
+	spi_setup(st->us);
+
+	/* Disable IRQ */
+	ret = adis16400_set_irq(dev, false);
+	if (ret) {
+		dev_err(dev, "disable irq failed");
+		goto err_ret;
+	}
+
+	/* Do self test */
+
+	/* Read status register to check the result */
+	ret = adis16400_check_status(dev);
+	if (ret) {
+		adis16400_reset(dev);
+		dev_err(dev, "device not playing ball -> reset");
+		msleep(ADIS16400_STARTUP_DELAY);
+		ret = adis16400_check_status(dev);
+		if (ret) {
+			dev_err(dev, "giving up");
+			goto err_ret;
+		}
+	}
+
+	ret = adis16400_spi_read_reg_16(dev, ADIS16400_PRODUCT_ID, &prod_id);
+	if (ret)
+		goto err_ret;
+
+	if (prod_id != ADIS16400_PRODUCT_ID_DEFAULT)
+		dev_warn(dev, "unknown product id");
+
+	printk(KERN_INFO DRIVER_NAME ": prod_id 0x%04x at CS%d (irq %d)\n",
+			prod_id, st->us->chip_select, st->us->irq);
+
+	/* use high spi speed if possible */
+	ret = adis16400_spi_read_reg_16(dev, ADIS16400_SMPL_PRD, &smp_prd);
+	if (!ret && (smp_prd & ADIS16400_SMPL_PRD_DIV_MASK) < 0x0A) {
+		st->us->max_speed_hz = ADIS16400_SPI_SLOW;
+		spi_setup(st->us);
+	}
+
+
+err_ret:
+
+	return ret;
+}
+
+static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO,
+		adis16400_read_12bit_signed,
+		adis16400_write_16bit,
+		ADIS16400_XACCL_OFF);
+
+static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO,
+		adis16400_read_12bit_signed,
+		adis16400_write_16bit,
+		ADIS16400_YACCL_OFF);
+
+static IIO_DEV_ATTR_ACCEL_Z_OFFSET(S_IWUSR | S_IRUGO,
+		adis16400_read_12bit_signed,
+		adis16400_write_16bit,
+		ADIS16400_ZACCL_OFF);
+
+static IIO_DEV_ATTR_IN_NAMED_RAW(supply, adis16400_read_14bit_signed,
+		ADIS16400_SUPPLY_OUT);
+static IIO_CONST_ATTR(in_supply_scale, "0.002418");
+
+static IIO_DEV_ATTR_GYRO_X(adis16400_read_14bit_signed,
+		ADIS16400_XGYRO_OUT);
+static IIO_DEV_ATTR_GYRO_Y(adis16400_read_14bit_signed,
+		ADIS16400_YGYRO_OUT);
+static IIO_DEV_ATTR_GYRO_Z(adis16400_read_14bit_signed,
+		ADIS16400_ZGYRO_OUT);
+static IIO_CONST_ATTR(gyro_scale, "0.05 deg/s");
+
+static IIO_DEV_ATTR_ACCEL_X(adis16400_read_14bit_signed,
+		ADIS16400_XACCL_OUT);
+static IIO_DEV_ATTR_ACCEL_Y(adis16400_read_14bit_signed,
+		ADIS16400_YACCL_OUT);
+static IIO_DEV_ATTR_ACCEL_Z(adis16400_read_14bit_signed,
+		ADIS16400_ZACCL_OUT);
+static IIO_CONST_ATTR(accel_scale, "0.00333 g");
+
+static IIO_DEV_ATTR_MAGN_X(adis16400_read_14bit_signed,
+		ADIS16400_XMAGN_OUT);
+static IIO_DEV_ATTR_MAGN_Y(adis16400_read_14bit_signed,
+		ADIS16400_YMAGN_OUT);
+static IIO_DEV_ATTR_MAGN_Z(adis16400_read_14bit_signed,
+		ADIS16400_ZMAGN_OUT);
+static IIO_CONST_ATTR(magn_scale, "0.0005 Gs");
+
+
+static IIO_DEV_ATTR_TEMP(adis16400_read_12bit_signed);
+static IIO_CONST_ATTR(temp_offset, "198.16 K");
+static IIO_CONST_ATTR(temp_scale, "0.14 K");
+
+static IIO_DEV_ATTR_IN_RAW(0, adis16400_read_12bit_unsigned,
+		ADIS16400_AUX_ADC);
+static IIO_CONST_ATTR(in0_scale, "0.000806");
+
+static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
+		adis16400_read_frequency,
+		adis16400_write_frequency);
+
+static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16400_write_reset, 0);
+
+static IIO_CONST_ATTR_AVAIL_SAMP_FREQ("409 546 819 1638");
+
+static IIO_CONST_ATTR(name, "adis16400");
+
+static struct attribute *adis16400_event_attributes[] = {
+	NULL
+};
+
+static struct attribute_group adis16400_event_attribute_group = {
+	.attrs = adis16400_event_attributes,
+};
+
+static struct attribute *adis16400_attributes[] = {
+	&iio_dev_attr_accel_x_offset.dev_attr.attr,
+	&iio_dev_attr_accel_y_offset.dev_attr.attr,
+	&iio_dev_attr_accel_z_offset.dev_attr.attr,
+	&iio_dev_attr_in_supply_raw.dev_attr.attr,
+	&iio_const_attr_in_supply_scale.dev_attr.attr,
+	&iio_dev_attr_gyro_x.dev_attr.attr,
+	&iio_dev_attr_gyro_y.dev_attr.attr,
+	&iio_dev_attr_gyro_z.dev_attr.attr,
+	&iio_const_attr_gyro_scale.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_raw.dev_attr.attr,
+	&iio_const_attr_accel_scale.dev_attr.attr,
+	&iio_dev_attr_magn_x.dev_attr.attr,
+	&iio_dev_attr_magn_y.dev_attr.attr,
+	&iio_dev_attr_magn_z.dev_attr.attr,
+	&iio_const_attr_magn_scale.dev_attr.attr,
+	&iio_dev_attr_temp.dev_attr.attr,
+	&iio_const_attr_temp_offset.dev_attr.attr,
+	&iio_const_attr_temp_scale.dev_attr.attr,
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_const_attr_in0_scale.dev_attr.attr,
+	&iio_dev_attr_sampling_frequency.dev_attr.attr,
+	&iio_const_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_dev_attr_reset.dev_attr.attr,
+	&iio_const_attr_name.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group adis16400_attribute_group = {
+	.attrs = adis16400_attributes,
+};
+
+static int __devinit adis16400_probe(struct spi_device *spi)
+{
+	int ret, regdone = 0;
+	struct adis16400_state *st = kzalloc(sizeof *st, GFP_KERNEL);
+	if (!st) {
+		ret =  -ENOMEM;
+		goto error_ret;
+	}
+	/* this is only used for removal purposes */
+	spi_set_drvdata(spi, st);
+
+	/* Allocate the comms buffers */
+	st->rx = kzalloc(sizeof(*st->rx)*ADIS16400_MAX_RX, GFP_KERNEL);
+	if (st->rx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_st;
+	}
+	st->tx = kzalloc(sizeof(*st->tx)*ADIS16400_MAX_TX, GFP_KERNEL);
+	if (st->tx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_rx;
+	}
+	st->us = spi;
+	mutex_init(&st->buf_lock);
+	/* setup the industrialio driver allocated elements */
+	st->indio_dev = iio_allocate_device();
+	if (st->indio_dev == NULL) {
+		ret = -ENOMEM;
+		goto error_free_tx;
+	}
+
+	st->indio_dev->dev.parent = &spi->dev;
+	st->indio_dev->num_interrupt_lines = 1;
+	st->indio_dev->event_attrs = &adis16400_event_attribute_group;
+	st->indio_dev->attrs = &adis16400_attribute_group;
+	st->indio_dev->dev_data = (void *)(st);
+	st->indio_dev->driver_module = THIS_MODULE;
+	st->indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = adis16400_configure_ring(st->indio_dev);
+	if (ret)
+		goto error_free_dev;
+
+	ret = iio_device_register(st->indio_dev);
+	if (ret)
+		goto error_unreg_ring_funcs;
+	regdone = 1;
+
+	ret = adis16400_initialize_ring(st->indio_dev->ring);
+	if (ret) {
+		printk(KERN_ERR "failed to initialize the ring\n");
+		goto error_unreg_ring_funcs;
+	}
+
+	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) {
+#if 0 /* fixme: here we should support */
+		iio_init_work_cont(&st->work_cont_thresh,
+				NULL,
+				adis16400_thresh_handler_bh_no_check,
+				0,
+				0,
+				st);
+#endif
+		ret = iio_register_interrupt_line(spi->irq,
+				st->indio_dev,
+				0,
+				IRQF_TRIGGER_RISING,
+				"adis16400");
+		if (ret)
+			goto error_uninitialize_ring;
+
+		ret = adis16400_probe_trigger(st->indio_dev);
+		if (ret)
+			goto error_unregister_line;
+	}
+
+	/* Get the device into a sane initial state */
+	ret = adis16400_initial_setup(st);
+	if (ret)
+		goto error_remove_trigger;
+	return 0;
+
+error_remove_trigger:
+	if (st->indio_dev->modes & INDIO_RING_TRIGGERED)
+		adis16400_remove_trigger(st->indio_dev);
+error_unregister_line:
+	if (st->indio_dev->modes & INDIO_RING_TRIGGERED)
+		iio_unregister_interrupt_line(st->indio_dev, 0);
+error_uninitialize_ring:
+	adis16400_uninitialize_ring(st->indio_dev->ring);
+error_unreg_ring_funcs:
+	adis16400_unconfigure_ring(st->indio_dev);
+error_free_dev:
+	if (regdone)
+		iio_device_unregister(st->indio_dev);
+	else
+		iio_free_device(st->indio_dev);
+error_free_tx:
+	kfree(st->tx);
+error_free_rx:
+	kfree(st->rx);
+error_free_st:
+	kfree(st);
+error_ret:
+	return ret;
+}
+
+/* fixme, confirm ordering in this function */
+static int adis16400_remove(struct spi_device *spi)
+{
+	int ret;
+	struct adis16400_state *st = spi_get_drvdata(spi);
+	struct iio_dev *indio_dev = st->indio_dev;
+
+	ret = adis16400_stop_device(&(indio_dev->dev));
+	if (ret)
+		goto err_ret;
+
+	flush_scheduled_work();
+
+	adis16400_remove_trigger(indio_dev);
+	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0)
+		iio_unregister_interrupt_line(indio_dev, 0);
+
+	adis16400_uninitialize_ring(indio_dev->ring);
+	adis16400_unconfigure_ring(indio_dev);
+	iio_device_unregister(indio_dev);
+	kfree(st->tx);
+	kfree(st->rx);
+	kfree(st);
+
+	return 0;
+
+err_ret:
+	return ret;
+}
+
+static struct spi_driver adis16400_driver = {
+	.driver = {
+		.name = "adis16400",
+		.owner = THIS_MODULE,
+	},
+	.probe = adis16400_probe,
+	.remove = __devexit_p(adis16400_remove),
+};
+
+static __init int adis16400_init(void)
+{
+	return spi_register_driver(&adis16400_driver);
+}
+module_init(adis16400_init);
+
+static __exit void adis16400_exit(void)
+{
+	spi_unregister_driver(&adis16400_driver);
+}
+module_exit(adis16400_exit);
+
+MODULE_AUTHOR("Manuel Stahl <manuel.stahl@iis.fraunhofer.de>");
+MODULE_DESCRIPTION("Analog Devices ADIS16400/5 IMU SPI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c
new file mode 100644
index 00000000000..5529b32bd2e
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16400_ring.c
@@ -0,0 +1,245 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../ring_sw.h"
+#include "../accel/accel.h"
+#include "../trigger.h"
+#include "adis16400.h"
+
+/**
+ * combine_8_to_16() utility function to munge to u8s into u16
+ **/
+static inline u16 combine_8_to_16(u8 lower, u8 upper)
+{
+	u16 _lower = lower;
+	u16 _upper = upper;
+	return _lower | (_upper << 8);
+}
+
+static IIO_SCAN_EL_C(supply, ADIS16400_SCAN_SUPPLY, IIO_SIGNED(14),
+		     ADIS16400_SUPPLY_OUT, NULL);
+
+static IIO_SCAN_EL_C(gyro_x, ADIS16400_SCAN_GYRO_X, IIO_SIGNED(14),
+		     ADIS16400_XGYRO_OUT, NULL);
+static IIO_SCAN_EL_C(gyro_y, ADIS16400_SCAN_GYRO_Y, IIO_SIGNED(14),
+		     ADIS16400_YGYRO_OUT, NULL);
+static IIO_SCAN_EL_C(gyro_z, ADIS16400_SCAN_GYRO_Z, IIO_SIGNED(14),
+		     ADIS16400_ZGYRO_OUT, NULL);
+
+static IIO_SCAN_EL_C(accel_x, ADIS16400_SCAN_ACC_X, IIO_SIGNED(14),
+		     ADIS16400_XACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_y, ADIS16400_SCAN_ACC_Y, IIO_SIGNED(14),
+		     ADIS16400_YACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_z, ADIS16400_SCAN_ACC_Z, IIO_SIGNED(14),
+		     ADIS16400_ZACCL_OUT, NULL);
+
+static IIO_SCAN_EL_C(magn_x, ADIS16400_SCAN_MAGN_X, IIO_SIGNED(14),
+		     ADIS16400_XMAGN_OUT, NULL);
+static IIO_SCAN_EL_C(magn_y, ADIS16400_SCAN_MAGN_Y, IIO_SIGNED(14),
+		     ADIS16400_YMAGN_OUT, NULL);
+static IIO_SCAN_EL_C(magn_z, ADIS16400_SCAN_MAGN_Z, IIO_SIGNED(14),
+		     ADIS16400_ZMAGN_OUT, NULL);
+
+static IIO_SCAN_EL_C(temp, ADIS16400_SCAN_TEMP, IIO_SIGNED(12),
+		     ADIS16400_TEMP_OUT, NULL);
+static IIO_SCAN_EL_C(adc_0, ADIS16400_SCAN_ADC_0, IIO_SIGNED(12),
+		     ADIS16400_AUX_ADC, NULL);
+
+static IIO_SCAN_EL_TIMESTAMP(12);
+
+static struct attribute *adis16400_scan_el_attrs[] = {
+	&iio_scan_el_supply.dev_attr.attr,
+	&iio_scan_el_gyro_x.dev_attr.attr,
+	&iio_scan_el_gyro_y.dev_attr.attr,
+	&iio_scan_el_gyro_z.dev_attr.attr,
+	&iio_scan_el_accel_x.dev_attr.attr,
+	&iio_scan_el_accel_y.dev_attr.attr,
+	&iio_scan_el_accel_z.dev_attr.attr,
+	&iio_scan_el_magn_x.dev_attr.attr,
+	&iio_scan_el_magn_y.dev_attr.attr,
+	&iio_scan_el_magn_z.dev_attr.attr,
+	&iio_scan_el_temp.dev_attr.attr,
+	&iio_scan_el_adc_0.dev_attr.attr,
+	&iio_scan_el_timestamp.dev_attr.attr,
+	NULL,
+};
+
+static struct attribute_group adis16400_scan_el_group = {
+	.attrs = adis16400_scan_el_attrs,
+	.name = "scan_elements",
+};
+
+/**
+ * adis16400_poll_func_th() top half interrupt handler called by trigger
+ * @private_data:	iio_dev
+ **/
+static void adis16400_poll_func_th(struct iio_dev *indio_dev)
+{
+	struct adis16400_state *st = iio_dev_get_devdata(indio_dev);
+	st->last_timestamp = indio_dev->trig->timestamp;
+	schedule_work(&st->work_trigger_to_ring);
+	/* Indicate that this interrupt is being handled */
+
+	/* Technically this is trigger related, but without this
+	 * handler running there is currently no way for the interrupt
+	 * to clear.
+	 */
+}
+
+/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device
+ * specific to be rolled into the core.
+ */
+static void adis16400_trigger_bh_to_ring(struct work_struct *work_s)
+{
+	struct adis16400_state *st
+		= container_of(work_s, struct adis16400_state,
+			       work_trigger_to_ring);
+
+	int i = 0;
+	s16 *data;
+	size_t datasize = st->indio_dev
+		->ring->access.get_bpd(st->indio_dev->ring);
+
+	data = kmalloc(datasize , GFP_KERNEL);
+	if (data == NULL) {
+		dev_err(&st->us->dev, "memory alloc failed in ring bh");
+		return;
+	}
+
+	if (st->indio_dev->scan_count)
+		if (adis16400_spi_read_burst(&st->indio_dev->dev, st->rx) >= 0)
+			for (; i < st->indio_dev->scan_count; i++) {
+				data[i] = combine_8_to_16(st->rx[i*2+1],
+							  st->rx[i*2]);
+			}
+
+	/* Guaranteed to be aligned with 8 byte boundary */
+	if (st->indio_dev->scan_timestamp)
+		*((s64 *)(data + ((i + 3)/4)*4)) = st->last_timestamp;
+
+	st->indio_dev->ring->access.store_to(st->indio_dev->ring,
+					    (u8 *)data,
+					    st->last_timestamp);
+
+	iio_trigger_notify_done(st->indio_dev->trig);
+	kfree(data);
+
+	return;
+}
+/* in these circumstances is it better to go with unaligned packing and
+ * deal with the cost?*/
+static int adis16400_data_rdy_ring_preenable(struct iio_dev *indio_dev)
+{
+	size_t size;
+	dev_dbg(&indio_dev->dev, "%s\n", __func__);
+	/* Check if there are any scan elements enabled, if not fail*/
+	if (!(indio_dev->scan_count || indio_dev->scan_timestamp))
+		return -EINVAL;
+
+	if (indio_dev->ring->access.set_bpd) {
+		if (indio_dev->scan_timestamp)
+			if (indio_dev->scan_count) /* Timestamp and data */
+				size = 6*sizeof(s64);
+			else /* Timestamp only  */
+				size = sizeof(s64);
+		else /* Data only */
+			size = indio_dev->scan_count*sizeof(s16);
+		indio_dev->ring->access.set_bpd(indio_dev->ring, size);
+	}
+
+	return 0;
+}
+
+static int adis16400_data_rdy_ring_postenable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_attach_poll_func(indio_dev->trig,
+					       indio_dev->pollfunc)
+		: 0;
+}
+
+static int adis16400_data_rdy_ring_predisable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_dettach_poll_func(indio_dev->trig,
+						indio_dev->pollfunc)
+		: 0;
+}
+
+void adis16400_unconfigure_ring(struct iio_dev *indio_dev)
+{
+	kfree(indio_dev->pollfunc);
+	iio_sw_rb_free(indio_dev->ring);
+}
+
+int adis16400_configure_ring(struct iio_dev *indio_dev)
+{
+	int ret = 0;
+	struct adis16400_state *st = indio_dev->dev_data;
+	struct iio_ring_buffer *ring;
+	INIT_WORK(&st->work_trigger_to_ring, adis16400_trigger_bh_to_ring);
+	/* Set default scan mode */
+
+	iio_scan_mask_set(indio_dev, iio_scan_el_supply.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_gyro_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_gyro_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_gyro_z.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_z.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_magn_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_magn_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_magn_z.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_temp.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_adc_0.number);
+	indio_dev->scan_timestamp = true;
+
+	indio_dev->scan_el_attrs = &adis16400_scan_el_group;
+
+	ring = iio_sw_rb_allocate(indio_dev);
+	if (!ring) {
+		ret = -ENOMEM;
+		return ret;
+	}
+	indio_dev->ring = ring;
+	/* Effectively select the ring buffer implementation */
+	iio_ring_sw_register_funcs(&ring->access);
+	ring->preenable = &adis16400_data_rdy_ring_preenable;
+	ring->postenable = &adis16400_data_rdy_ring_postenable;
+	ring->predisable = &adis16400_data_rdy_ring_predisable;
+	ring->owner = THIS_MODULE;
+
+	indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL);
+	if (indio_dev->pollfunc == NULL) {
+		ret = -ENOMEM;
+		goto error_iio_sw_rb_free;;
+	}
+	indio_dev->pollfunc->poll_func_main = &adis16400_poll_func_th;
+	indio_dev->pollfunc->private_data = indio_dev;
+	indio_dev->modes |= INDIO_RING_TRIGGERED;
+	return 0;
+
+error_iio_sw_rb_free:
+	iio_sw_rb_free(indio_dev->ring);
+	return ret;
+}
+
+int adis16400_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return iio_ring_buffer_register(ring, 0);
+}
+
+void adis16400_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+	iio_ring_buffer_unregister(ring);
+}
diff --git a/drivers/staging/iio/imu/adis16400_trigger.c b/drivers/staging/iio/imu/adis16400_trigger.c
new file mode 100644
index 00000000000..3b3250ac768
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16400_trigger.c
@@ -0,0 +1,127 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+#include <linux/spi/spi.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../trigger.h"
+#include "adis16400.h"
+
+/**
+ * adis16400_data_rdy_trig_poll() the event handler for the data rdy trig
+ **/
+static int adis16400_data_rdy_trig_poll(struct iio_dev *dev_info,
+				       int index,
+				       s64 timestamp,
+				       int no_test)
+{
+	struct adis16400_state *st = iio_dev_get_devdata(dev_info);
+	struct iio_trigger *trig = st->trig;
+
+	trig->timestamp = timestamp;
+	iio_trigger_poll(trig);
+
+	return IRQ_HANDLED;
+}
+
+IIO_EVENT_SH(data_rdy_trig, &adis16400_data_rdy_trig_poll);
+
+static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
+
+static struct attribute *adis16400_trigger_attrs[] = {
+	&dev_attr_name.attr,
+	NULL,
+};
+
+static const struct attribute_group adis16400_trigger_attr_group = {
+	.attrs = adis16400_trigger_attrs,
+};
+
+/**
+ * adis16400_data_rdy_trigger_set_state() set datardy interrupt state
+ **/
+static int adis16400_data_rdy_trigger_set_state(struct iio_trigger *trig,
+						bool state)
+{
+	struct adis16400_state *st = trig->private_data;
+	struct iio_dev *indio_dev = st->indio_dev;
+	int ret = 0;
+
+	dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
+	ret = adis16400_set_irq(&st->indio_dev->dev, state);
+	if (state == false) {
+		iio_remove_event_from_list(&iio_event_data_rdy_trig,
+					   &indio_dev->interrupts[0]
+					   ->ev_list);
+		/* possible quirk with handler currently worked around
+		   by ensuring the work queue is empty */
+		flush_scheduled_work();
+	} else {
+		iio_add_event_to_list(&iio_event_data_rdy_trig,
+				      &indio_dev->interrupts[0]->ev_list);
+	}
+	return ret;
+}
+
+/**
+ * adis16400_trig_try_reen() try renabling irq for data rdy trigger
+ * @trig:	the datardy trigger
+ **/
+static int adis16400_trig_try_reen(struct iio_trigger *trig)
+{
+	struct adis16400_state *st = trig->private_data;
+	enable_irq(st->us->irq);
+	/* irq reenabled so success! */
+	return 0;
+}
+
+int adis16400_probe_trigger(struct iio_dev *indio_dev)
+{
+	int ret;
+	struct adis16400_state *st = indio_dev->dev_data;
+
+	st->trig = iio_allocate_trigger();
+	st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
+	if (!st->trig->name) {
+		ret = -ENOMEM;
+		goto error_free_trig;
+	}
+	snprintf((char *)st->trig->name,
+		 IIO_TRIGGER_NAME_LENGTH,
+		 "adis16400-dev%d", indio_dev->id);
+	st->trig->dev.parent = &st->us->dev;
+	st->trig->owner = THIS_MODULE;
+	st->trig->private_data = st;
+	st->trig->set_trigger_state = &adis16400_data_rdy_trigger_set_state;
+	st->trig->try_reenable = &adis16400_trig_try_reen;
+	st->trig->control_attrs = &adis16400_trigger_attr_group;
+	ret = iio_trigger_register(st->trig);
+
+	/* select default trigger */
+	indio_dev->trig = st->trig;
+	if (ret)
+		goto error_free_trig_name;
+
+	return 0;
+
+error_free_trig_name:
+	kfree(st->trig->name);
+error_free_trig:
+	iio_free_trigger(st->trig);
+
+	return ret;
+}
+
+void adis16400_remove_trigger(struct iio_dev *indio_dev)
+{
+	struct adis16400_state *state = indio_dev->dev_data;
+
+	iio_trigger_unregister(state->trig);
+	kfree(state->trig->name);
+	iio_free_trigger(state->trig);
+}
diff --git a/drivers/staging/iio/magnetometer/magnet.h b/drivers/staging/iio/magnetometer/magnet.h
new file mode 100644
index 00000000000..6f6c6ed91fa
--- /dev/null
+++ b/drivers/staging/iio/magnetometer/magnet.h
@@ -0,0 +1,31 @@
+
+#include "../sysfs.h"
+
+/* Magnetometer types of attribute */
+
+#define IIO_DEV_ATTR_MAGN_X_OFFSET(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(magn_x_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_MAGN_Y_OFFSET(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(magn_y_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_MAGN_Z_OFFSET(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(magn_z_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_MAGN_X_GAIN(_mode, _show, _store, _addr)		\
+	IIO_DEVICE_ATTR(magn_x_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_MAGN_Y_GAIN(_mode, _show, _store, _addr)		\
+	IIO_DEVICE_ATTR(magn_y_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_MAGN_Z_GAIN(_mode, _show, _store, _addr)		\
+	IIO_DEVICE_ATTR(magn_z_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_MAGN_X(_show, _addr)			\
+	IIO_DEVICE_ATTR(magn_x, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_MAGN_Y(_show, _addr)			\
+	IIO_DEVICE_ATTR(magn_y, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_MAGN_Z(_show, _addr)			\
+	IIO_DEVICE_ATTR(magn_z, S_IRUGO, _show, NULL, _addr)

From 375d65db27544a183aed5e14aa2ed487c796c78d Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Tue, 4 May 2010 20:40:12 +0100
Subject: [PATCH 1147/3638] Staging: rar and memrar updates

rar: perform a clean up pass

- Move to a registration model where each RAR is claimed/unclaimed
- Use that to fix the client stuff (one client per RAR so no need to queue stuff)
- Support unregister so drivers can rmmod themselves safely
- Fix locking hang on calling rar lock from rar callback
- Clean up
- Kerneldoc

Folded in the memrar update as Greg asked

- Fix various unload related bugs
- Use the per RAR allocator/deallocator
- Add kerneldoc

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/memrar/memrar_handler.c     | 483 ++++++++-------
 drivers/staging/rar_register/rar_register.c | 614 +++++++++++---------
 drivers/staging/rar_register/rar_register.h |  62 +-
 3 files changed, 619 insertions(+), 540 deletions(-)

diff --git a/drivers/staging/memrar/memrar_handler.c b/drivers/staging/memrar/memrar_handler.c
index 3e0dfe36576..efa7fd62d39 100644
--- a/drivers/staging/memrar/memrar_handler.c
+++ b/drivers/staging/memrar/memrar_handler.c
@@ -114,6 +114,7 @@ struct memrar_rar_info {
 	struct memrar_allocator *allocator;
 	struct memrar_buffer_info buffers;
 	struct mutex lock;
+	int allocated;	/* True if we own this RAR */
 };
 
 /*
@@ -150,11 +151,13 @@ static struct memrar_rar_info *memrar_get_rar_info(u32 vaddr)
 	return NULL;
 }
 
-/*
- * Retrieve bus address from given handle.
+/**
+ *	memrar_get_bus address		-	handle to bus address
  *
- * Returns address corresponding to given handle.  Zero if handle is
- * invalid.
+ *	Retrieve bus address from given handle.
+ *
+ *	Returns address corresponding to given handle.  Zero if handle is
+ *	invalid.
  */
 static dma_addr_t memrar_get_bus_address(
 	struct memrar_rar_info *rar,
@@ -176,11 +179,13 @@ static dma_addr_t memrar_get_bus_address(
 	return rar->base + (vaddr - iobase);
 }
 
-/*
- * Retrieve physical address from given handle.
+/**
+ *	memrar_get_physical_address	-	handle to physical address
  *
- * Returns address corresponding to given handle.  Zero if handle is
- * invalid.
+ *	Retrieve physical address from given handle.
+ *
+ *	Returns address corresponding to given handle.  Zero if handle is
+ *	invalid.
  */
 static dma_addr_t memrar_get_physical_address(
 	struct memrar_rar_info *rar,
@@ -195,11 +200,15 @@ static dma_addr_t memrar_get_physical_address(
 	return memrar_get_bus_address(rar, vaddr);
 }
 
-/*
- * Core block release code.
+/**
+ *	memrar_release_block	-	release a block to the pool
+ *	@kref: kref of block
  *
- * Note: This code removes the node from a list.  Make sure any list
- *       iteration is performed using list_for_each_safe().
+ *	Core block release code. A node has hit zero references so can
+ *	be released and the lists must be updated.
+ *
+ *	Note: This code removes the node from a list.  Make sure any list
+ *	iteration is performed using list_for_each_safe().
  */
 static void memrar_release_block_i(struct kref *ref)
 {
@@ -224,10 +233,15 @@ static void memrar_release_block_i(struct kref *ref)
 	kfree(node);
 }
 
-/*
- * Initialize RAR parameters, such as bus addresses, etc.
+/**
+ *	memrar_init_rar_resources	-	configure a RAR
+ *	@rarnum: rar that has been allocated
+ *	@devname: name of our device
+ *
+ *	Initialize RAR parameters, such as bus addresses, etc and make
+ *	the resource accessible.
  */
-static int memrar_init_rar_resources(char const *devname)
+static int memrar_init_rar_resources(int rarnum, char const *devname)
 {
 	/* ---- Sanity Checks ----
 	 * 1. RAR bus addresses in both Lincroft and Langwell RAR
@@ -258,162 +272,95 @@ static int memrar_init_rar_resources(char const *devname)
 	 */
 	static size_t const RAR_BLOCK_SIZE = PAGE_SIZE;
 
-	int z;
-	int found_rar = 0;
+	dma_addr_t low, high;
+	struct memrar_rar_info * const rar = &memrars[rarnum];
 
 	BUG_ON(MRST_NUM_RAR != ARRAY_SIZE(memrars));
+	BUG_ON(!memrar_is_valid_rar_type(rarnum));
+	BUG_ON(rar->allocated);
 
-	for (z = 0; z != MRST_NUM_RAR; ++z) {
-		dma_addr_t low, high;
-		struct memrar_rar_info * const rar = &memrars[z];
+	mutex_init(&rar->lock);
 
-		BUG_ON(!memrar_is_valid_rar_type(z));
+	/*
+	 * Initialize the process table before we reach any
+	 * code that exit on failure since the finalization
+	 * code requires an initialized list.
+	 */
+	INIT_LIST_HEAD(&rar->buffers.list);
 
-		mutex_init(&rar->lock);
-
-		/*
-		 * Initialize the process table before we reach any
-		 * code that exit on failure since the finalization
-		 * code requires an initialized list.
-		 */
-		INIT_LIST_HEAD(&rar->buffers.list);
-
-		if (rar_get_address(z, &low, &high) != 0) {
-			/* No RAR is available. */
-			break;
-		} else if (low == 0 || high == 0) {
-			/*
-			 * We don't immediately break out of the loop
-			 * since the next type of RAR may be enabled.
-			 */
-			rar->base      = 0;
-			rar->length    = 0;
-			rar->iobase    = NULL;
-			rar->allocator = NULL;
-			continue;
-		}
-
-		/*
-		 * @todo Verify that LNC and LNW RAR register contents
-		 *       addresses, security, etc are compatible and
-		 *       consistent).
-		 */
-
-		rar->length = high - low + 1;
-
-		/* Claim RAR memory as our own. */
-		if (request_mem_region(low, rar->length, devname) == NULL) {
-			rar->length = 0;
-
-			pr_err("%s: Unable to claim RAR[%d] memory.\n",
-			       devname,
-			       z);
-			pr_err("%s: RAR[%d] disabled.\n", devname, z);
-
-			/*
-			 * Rather than break out of the loop by
-			 * returning -EBUSY, for example, we may be
-			 * able to claim memory of the next RAR region
-			 * as our own.
-			 */
-			continue;
-		}
-
-		rar->base = low;
-
-		/*
-		 * Now map it into the kernel address space.
-		 *
-		 * Note that the RAR memory may only be accessed by IA
-		 * when debugging.  Otherwise attempts to access the
-		 * RAR memory when it is locked down will result in
-		 * behavior similar to writing to /dev/null and
-		 * reading from /dev/zero.  This behavior is enforced
-		 * by the hardware.  Even if we don't access the
-		 * memory, mapping it into the kernel provides us with
-		 * a convenient RAR handle to bus address mapping.
-		 */
-		rar->iobase = ioremap_nocache(rar->base, rar->length);
-		if (rar->iobase == NULL) {
-			pr_err("%s: Unable to map RAR memory.\n",
-			       devname);
-			return -ENOMEM;
-		}
-
-		/* Initialize corresponding memory allocator. */
-		rar->allocator = memrar_create_allocator(
-			(unsigned long) rar->iobase,
-			rar->length,
-			RAR_BLOCK_SIZE);
-		if (rar->allocator == NULL)
-			return -1;
-
-		/*
-		 * -------------------------------------------------
-		 * Make sure all RARs handled by us are locked down.
-		 * -------------------------------------------------
-		 */
-
-		/* Enable RAR protection on the Lincroft side. */
-		if (0) {
-			/*
-			 * This is mostly a sanity check since the
-			 * vendor should have locked down RAR in the
-			 * SMIP header RAR configuration.
-			 */
-			rar_lock(z);
-		} else {
-			pr_warning("%s: LNC RAR[%d] no lock sanity check.\n",
-				   devname,
-				   z);
-		}
-
-		/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
-		/* |||||||||||||||||||||||||||||||||||||||||||||||||| */
-
-		/*
-		 * It would be nice if we could verify that RAR
-		 * protection on the Langwell side is enabled, but
-		 * there is no way to do that from here.  The
-		 * necessary Langwell RAR registers are not accessible
-		 * from the Lincroft (IA) side.
-		 *
-		 * Hopefully the ODM did the right thing and enabled
-		 * Langwell side RAR protection in the integrated
-		 * firmware SMIP header.
-		 */
-
-		pr_info("%s: BRAR[%d] bus address range = "
-			"[0x%lx, 0x%lx]\n",
-			devname,
-			z,
-			(unsigned long) low,
-			(unsigned long) high);
-
-		pr_info("%s: BRAR[%d] size = %zu KiB\n",
-			devname,
-			z,
-			rar->allocator->capacity / 1024);
-
-		found_rar = 1;
-	}
-
-	if (!found_rar)	{
-		/*
-		 * No RAR support.  Don't bother continuing.
-		 *
-		 * Note that this is not a failure.
-		 */
-		pr_info("%s: No Moorestown RAR support available.\n",
-			devname);
+	if (rar_get_address(rarnum, &low, &high) != 0)
+		/* No RAR is available. */
 		return -ENODEV;
+	
+	if (low == 0 || high == 0) {
+		rar->base      = 0;
+		rar->length    = 0;
+		rar->iobase    = NULL;
+		rar->allocator = NULL;
+		return -ENOSPC;
 	}
 
+	/*
+	 * @todo Verify that LNC and LNW RAR register contents
+	 *       addresses, security, etc are compatible and
+	 *       consistent).
+	 */
+
+	rar->length = high - low + 1;
+
+	/* Claim RAR memory as our own. */
+	if (request_mem_region(low, rar->length, devname) == NULL) {
+		rar->length = 0;
+		pr_err("%s: Unable to claim RAR[%d] memory.\n", devname, rarnum);
+		pr_err("%s: RAR[%d] disabled.\n", devname, rarnum);
+		return -EBUSY;
+	}
+
+	rar->base = low;
+
+	/*
+	 * Now map it into the kernel address space.
+	 *
+	 * Note that the RAR memory may only be accessed by IA
+	 * when debugging.  Otherwise attempts to access the
+	 * RAR memory when it is locked down will result in
+	 * behavior similar to writing to /dev/null and
+	 * reading from /dev/zero.  This behavior is enforced
+	 * by the hardware.  Even if we don't access the
+	 * memory, mapping it into the kernel provides us with
+	 * a convenient RAR handle to bus address mapping.
+	 */
+	rar->iobase = ioremap_nocache(rar->base, rar->length);
+	if (rar->iobase == NULL) {
+		pr_err("%s: Unable to map RAR memory.\n", devname);
+		release_mem_region(low, rar->length);
+		return -ENOMEM;
+	}
+
+	/* Initialize corresponding memory allocator. */
+	rar->allocator = memrar_create_allocator((unsigned long) rar->iobase,
+						rar->length, RAR_BLOCK_SIZE);
+	if (rar->allocator == NULL) {
+		iounmap(rar->iobase);
+		release_mem_region(low, rar->length);
+		return -ENOMEM;
+	}
+
+	pr_info("%s: BRAR[%d] bus address range = [0x%lx, 0x%lx]\n",
+			devname, rarnum, (unsigned long) low, (unsigned long) high);
+
+	pr_info("%s: BRAR[%d] size = %zu KiB\n",
+			devname, rarnum, rar->allocator->capacity / 1024);
+
+	rar->allocated = 1;
 	return 0;
 }
 
-/*
- * Finalize RAR resources.
+/**
+ *	memrar_fini_rar_resources	-	free up RAR resources
+ *
+ *	Finalize RAR resources. Free up the resource tables, hand the memory
+ *	back to the kernel, unmap the device and release the address space.
  */
 static void memrar_fini_rar_resources(void)
 {
@@ -429,6 +376,9 @@ static void memrar_fini_rar_resources(void)
 	for (z = MRST_NUM_RAR; z-- != 0; ) {
 		struct memrar_rar_info * const rar = &memrars[z];
 
+		if (!rar->allocated)
+			continue;
+
 		/* Clean up remaining resources. */
 
 		list_for_each_entry_safe(pos,
@@ -442,15 +392,25 @@ static void memrar_fini_rar_resources(void)
 		rar->allocator = NULL;
 
 		iounmap(rar->iobase);
-		rar->iobase = NULL;
-
 		release_mem_region(rar->base, rar->length);
-		rar->base = 0;
 
+		rar->iobase = NULL;
+		rar->base = 0;
 		rar->length = 0;
+
+		unregister_rar(z);
 	}
 }
 
+/**
+ *	memrar_reserve_block	-	handle an allocation request
+ *	@request: block being requested
+ *	@filp: owner it is tied to
+ *
+ *	Allocate a block of the requested RAR. If successful return the
+ *	request object filled in and zero, if not report an error code
+ */
+
 static long memrar_reserve_block(struct RAR_buffer *request,
 				 struct file *filp)
 {
@@ -465,6 +425,8 @@ static long memrar_reserve_block(struct RAR_buffer *request,
 		return -EINVAL;
 
 	rar = &memrars[rinfo->type];
+	if (!rar->allocated)
+		return -ENODEV;
 
 	/* Reserve memory in RAR. */
 	handle = memrar_allocator_alloc(rar->allocator, rinfo->size);
@@ -504,6 +466,14 @@ static long memrar_reserve_block(struct RAR_buffer *request,
 	return 0;
 }
 
+/**
+ *	memrar_release_block		-	release a RAR block
+ *	@addr: address in RAR space
+ *
+ *	Release a previously allocated block. Releases act on complete
+ *	blocks, partially freeing a block is not supported
+ */
+
 static long memrar_release_block(u32 addr)
 {
 	struct memrar_buffer_info *pos;
@@ -512,7 +482,7 @@ static long memrar_release_block(u32 addr)
 	long result = -EINVAL;
 
 	if (rar == NULL)
-		return -EFAULT;
+		return -ENOENT;
 
 	mutex_lock(&rar->lock);
 
@@ -550,34 +520,48 @@ static long memrar_release_block(u32 addr)
 	return result;
 }
 
+/**
+ *	memrar_get_stats	-	read statistics for a RAR
+ *	@r: statistics to be filled in
+ *
+ *	Returns the statistics data for the RAR, or an error code if
+ *	the request cannot be completed
+ */
 static long memrar_get_stat(struct RAR_stat *r)
 {
-	long result = -EINVAL;
+	struct memrar_allocator *allocator;
 
-	if (likely(r != NULL) && memrar_is_valid_rar_type(r->type)) {
-		struct memrar_allocator * const allocator =
-			memrars[r->type].allocator;
+ 	if (!memrar_is_valid_rar_type(r->type))
+		return -EINVAL;
 
-		BUG_ON(allocator == NULL);
+	if (!memrars[r->type].allocated)
+		return -ENODEV;
 
-		/*
-		 * Allocator capacity doesn't change over time.  No
-		 * need to synchronize.
-		 */
-		r->capacity = allocator->capacity;
+	allocator = memrars[r->type].allocator;
 
-		mutex_lock(&allocator->lock);
+	BUG_ON(allocator == NULL);
 
-		r->largest_block_size = allocator->largest_free_area;
+	/*
+	 * Allocator capacity doesn't change over time.  No
+	 * need to synchronize.
+	 */
+	r->capacity = allocator->capacity;
 
-		mutex_unlock(&allocator->lock);
-
-		result = 0;
-	}
-
-	return result;
+	mutex_lock(&allocator->lock);
+	r->largest_block_size = allocator->largest_free_area;
+	mutex_unlock(&allocator->lock);
+	return 0;
 }
 
+/**
+ *	memrar_ioctl		-	ioctl callback
+ *	@filp: file issuing the request
+ *	@cmd: command
+ *	@arg: pointer to control information
+ *
+ *	Perform one of the ioctls supported by the memrar device
+ */
+
 static long memrar_ioctl(struct file *filp,
 			 unsigned int cmd,
 			 unsigned long arg)
@@ -640,6 +624,15 @@ static long memrar_ioctl(struct file *filp,
 	return 0;
 }
 
+/**
+ *	memrar_mmap		-	mmap helper for deubgging
+ *	@filp: handle doing the mapping
+ *	@vma: memory area
+ *
+ *	Support the mmap operation on the RAR space for debugging systems
+ *	when the memory is not locked down.
+ */
+
 static int memrar_mmap(struct file *filp, struct vm_area_struct *vma)
 {
 	/*
@@ -660,9 +653,12 @@ static int memrar_mmap(struct file *filp, struct vm_area_struct *vma)
 	unsigned long const handle = vma->vm_pgoff << PAGE_SHIFT;
 
 	struct memrar_rar_info * const rar = memrar_get_rar_info(handle);
-
 	unsigned long pfn;
 
+	/* Only allow priviledged apps to go poking around this way */
+	if (!capable(CAP_SYS_RAWIO))
+		return -EPERM;
+
 	/* Invalid RAR handle or size passed to mmap(). */
 	if (rar == NULL
 	    || handle == 0
@@ -698,13 +694,32 @@ static int memrar_mmap(struct file *filp, struct vm_area_struct *vma)
 	return 0;
 }
 
+/**
+ *	memrar_open		-	device open method
+ *	@inode: inode to open
+ *	@filp: file handle
+ *
+ *	As we support multiple arbitary opens there is no work to be done
+ *	really.
+ */
+
 static int memrar_open(struct inode *inode, struct file *filp)
 {
-	/* Nothing to do yet. */
-
+	nonseekable_open(inode, filp);
 	return 0;
 }
 
+/**
+ *	memrar_release		-	close method for miscev
+ *	@inode: inode of device
+ *	@filp: handle that is going away
+ *
+ *	Free up all the regions that belong to this file handle. We use
+ *	the handle as a natural Linux style 'lifetime' indicator and to
+ *	ensure resources are not leaked when their owner explodes in an
+ *	unplanned fashion.
+ */
+
 static int memrar_release(struct inode *inode, struct file *filp)
 {
 	/* Free all regions associated with the given file handle. */
@@ -733,9 +748,15 @@ static int memrar_release(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-/*
- * This function is part of the kernel space memrar driver API.
+/**
+ *	rar_reserve		-	reserve RAR memory
+ *	@buffers: buffers to reserve
+ *	@count: number wanted
+ *
+ *	Reserve a series of buffers in the RAR space. Returns the number of
+ *	buffers successfully allocated
  */
+
 size_t rar_reserve(struct RAR_buffer *buffers, size_t count)
 {
 	struct RAR_buffer * const end =
@@ -755,9 +776,14 @@ size_t rar_reserve(struct RAR_buffer *buffers, size_t count)
 }
 EXPORT_SYMBOL(rar_reserve);
 
-/*
- * This function is part of the kernel space memrar driver API.
+/**
+ *	rar_release		-	return RAR buffers
+ *	@buffers: buffers to release
+ *	@size: size of released block
+ *
+ *	Return a set of buffers to the RAR pool
  */
+
 size_t rar_release(struct RAR_buffer *buffers, size_t count)
 {
 	struct RAR_buffer * const end =
@@ -786,9 +812,16 @@ size_t rar_release(struct RAR_buffer *buffers, size_t count)
 }
 EXPORT_SYMBOL(rar_release);
 
-/*
- * This function is part of the kernel space driver API.
+/**
+ *	rar_handle_to_bus	-	RAR to bus address
+ *	@buffers: RAR buffer structure
+ *	@count: number of buffers to convert
+ *
+ *	Turn a list of RAR handle mappings into actual bus addresses. Note
+ *	that when the device is locked down the bus addresses in question
+ *	are not CPU accessible.
  */
+
 size_t rar_handle_to_bus(struct RAR_buffer *buffers, size_t count)
 {
 	struct RAR_buffer * const end =
@@ -878,43 +911,70 @@ static char const banner[] __initdata =
 	KERN_INFO
 	"Intel RAR Handler: " MEMRAR_VER " initialized.\n";
 
-static int memrar_registration_callback(void *ctx)
+/**
+ *	memrar_registration_callback	-	RAR obtained
+ *	@rar: RAR number
+ *
+ *	We have been granted ownership of the RAR. Add it to our memory
+ *	management tables
+ */
+
+static int memrar_registration_callback(unsigned long rar)
 {
 	/*
 	 * We initialize the RAR parameters early on so that we can
 	 * discontinue memrar device initialization and registration
 	 * if suitably configured RARs are not available.
 	 */
-	int result = memrar_init_rar_resources(memrar_miscdev.name);
-
-	if (result != 0)
-		return result;
-
-	result = misc_register(&memrar_miscdev);
-
-	if (result != 0) {
-		pr_err("%s: misc_register() failed.\n",
-			memrar_miscdev.name);
-
-		/* Clean up resources previously reserved. */
-		memrar_fini_rar_resources();
-	}
-
-	return result;
+	return memrar_init_rar_resources(rar, memrar_miscdev.name);
 }
 
+/**
+ *	memrar_init	-	initialise RAR support
+ *
+ *	Initialise support for RAR handlers. This may get loaded before
+ *	the RAR support is activated, but the callbacks on the registration
+ *	will handle that situation for us anyway.
+ */
+
 static int __init memrar_init(void)
 {
+	int err;
+
 	printk(banner);
 
-	return register_rar(&memrar_registration_callback, 0);
+	err = misc_register(&memrar_miscdev);
+	if (err)
+		return err;
+
+	/* Now claim the two RARs we want */
+	err = register_rar(0, memrar_registration_callback, 0);
+	if (err)
+		goto fail;
+
+	err = register_rar(1, memrar_registration_callback, 1);
+	if (err == 0)
+		return 0;
+
+	/* It is possible rar 0 registered and allocated resources then rar 1
+	   failed so do a full resource free */
+	memrar_fini_rar_resources();
+fail:
+	misc_deregister(&memrar_miscdev);
+	return err;
 }
 
+/**
+ *	memrar_exit	-	unregister and unload
+ *
+ *	Unregister the device and then unload any mappings and release
+ *	the RAR resources
+ */
+
 static void __exit memrar_exit(void)
 {
-	memrar_fini_rar_resources();
-
 	misc_deregister(&memrar_miscdev);
+	memrar_fini_rar_resources();
 }
 
 
@@ -925,7 +985,6 @@ module_exit(memrar_exit);
 MODULE_AUTHOR("Ossama Othman <ossama.othman@intel.com>");
 MODULE_DESCRIPTION("Intel Restricted Access Region Handler");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(MISC_DYNAMIC_MINOR);
 MODULE_VERSION(MEMRAR_VER);
 
 
diff --git a/drivers/staging/rar_register/rar_register.c b/drivers/staging/rar_register/rar_register.c
index bfc0e31f1a6..618503f422e 100644
--- a/drivers/staging/rar_register/rar_register.c
+++ b/drivers/staging/rar_register/rar_register.c
@@ -51,98 +51,159 @@
 #include <linux/kernel.h>
 
 /* === Lincroft Message Bus Interface === */
-/* Message Control Register */
-#define LNC_MCR_OFFSET 0xD0
-
-/* Maximum number of clients (other drivers using this driver) */
-#define MAX_RAR_CLIENTS 10
-
-/* Message Data Register */
-#define LNC_MDR_OFFSET 0xD4
+#define LNC_MCR_OFFSET		0xD0	/* Message Control Register */
+#define LNC_MDR_OFFSET		0xD4	/* Message Data Register */
 
 /* Message Opcodes */
-#define LNC_MESSAGE_READ_OPCODE 0xD0
+#define LNC_MESSAGE_READ_OPCODE	0xD0
 #define LNC_MESSAGE_WRITE_OPCODE 0xE0
 
 /* Message Write Byte Enables */
-#define LNC_MESSAGE_BYTE_WRITE_ENABLES 0xF
+#define LNC_MESSAGE_BYTE_WRITE_ENABLES	0xF
 
 /* B-unit Port */
-#define LNC_BUNIT_PORT 0x3
+#define LNC_BUNIT_PORT	0x3
 
 /* === Lincroft B-Unit Registers - Programmed by IA32 firmware === */
-#define LNC_BRAR0L 0x10
-#define LNC_BRAR0H 0x11
-#define LNC_BRAR1L 0x12
-#define LNC_BRAR1H 0x13
-
+#define LNC_BRAR0L	0x10
+#define LNC_BRAR0H	0x11
+#define LNC_BRAR1L	0x12
+#define LNC_BRAR1H	0x13
 /* Reserved for SeP */
-#define LNC_BRAR2L 0x14
-#define LNC_BRAR2H 0x15
+#define LNC_BRAR2L	0x14
+#define LNC_BRAR2H	0x15
 
 /* Moorestown supports three restricted access regions. */
 #define MRST_NUM_RAR 3
 
-
 /* RAR Bus Address Range */
-struct RAR_address_range {
+struct rar_addr {
 	dma_addr_t low;
 	dma_addr_t high;
 };
 
-/* Structure containing low and high RAR register offsets. */
-struct RAR_offsets {
-	u32 low;  /* Register offset for low  RAR bus address. */
-	u32 high; /* Register offset for high RAR bus address. */
-};
-
+/*
+ *	We create one of these for each RAR
+ */
 struct client {
-	int (*client_callback)(void *client_data);
-	void *customer_data;
-	int client_called;
-	};
+	int (*callback)(unsigned long data);
+	unsigned long driver_priv;
+	bool busy;
+};
 
 static DEFINE_MUTEX(rar_mutex);
 static DEFINE_MUTEX(lnc_reg_mutex);
 
-struct RAR_device {
-	struct RAR_offsets const rar_offsets[MRST_NUM_RAR];
-	struct RAR_address_range rar_addr[MRST_NUM_RAR];
+/*
+ *	One per RAR device (currently only one device)
+ */
+struct rar_device {
+	struct rar_addr rar_addr[MRST_NUM_RAR];
 	struct pci_dev *rar_dev;
 	bool registered;
-	};
-
-/* this platform has only one rar_device for 3 rar regions */
-static struct RAR_device my_rar_device = {
-	.rar_offsets = {
-		[0].low = LNC_BRAR0L,
-		[0].high = LNC_BRAR0H,
-		[1].low = LNC_BRAR1L,
-		[1].high = LNC_BRAR1H,
-		[2].low = LNC_BRAR2L,
-		[2].high = LNC_BRAR2H
-	}
+	bool allocated;
+	struct client client[MRST_NUM_RAR];
 };
 
-/* this data is for handling requests from other drivers which arrive
- * prior to this driver initializing
- */
-
-static struct client clients[MAX_RAR_CLIENTS];
-static int num_clients;
+/* Current platforms have only one rar_device for 3 rar regions */
+static struct rar_device my_rar_device;
 
 /*
- * This function is used to retrieved RAR info using the Lincroft
- * message bus interface.
+ *	Abstract out multiple device support. Current platforms only
+ *	have a single RAR device.
  */
-static int retrieve_rar_addr(struct pci_dev *pdev,
-	int offset,
-	dma_addr_t *addr)
+
+/**
+ *	alloc_rar_device	-	return a new RAR structure
+ *
+ *	Return a new (but not yet ready) RAR device object
+ */
+static struct rar_device *alloc_rar_device(void)
+{
+	if (my_rar_device.allocated)
+		return NULL;
+	my_rar_device.allocated = 1;
+	return &my_rar_device;
+}
+
+/**
+ *	free_rar_device		-	free a RAR object
+ *	@rar: the RAR device being freed
+ *
+ *	Release a RAR object and any attached resources
+ */
+static void free_rar_device(struct rar_device *rar)
+{
+	pci_dev_put(rar->rar_dev);
+	rar->allocated = 0;
+}
+
+/**
+ *	_rar_to_device		-	return the device handling this RAR
+ *	@rar: RAR number
+ *	@off: returned offset
+ *
+ *	Internal helper for looking up RAR devices. This and alloc are the
+ *	two functions that need touching to go to multiple RAR devices.
+ */
+static struct rar_device *_rar_to_device(int rar, int *off)
+{
+	if (rar >= 0 && rar <= 3) {
+		*off = rar;
+		return &my_rar_device;
+	}
+	return NULL;
+}
+
+
+/**
+ *	rar_to_device		-	return the device handling this RAR
+ *	@rar: RAR number
+ *	@off: returned offset
+ *
+ *	Return the device this RAR maps to if one is present, otherwise
+ *	returns NULL. Reports the offset relative to the base of this
+ *	RAR device in off.
+ */
+static struct rar_device *rar_to_device(int rar, int *off)
+{
+	struct rar_device *rar_dev = _rar_to_device(rar, off);
+	if (rar_dev == NULL || !rar_dev->registered)
+		return NULL;
+	return rar_dev;
+}
+
+/**
+ *	rar_to_client		-	return the client handling this RAR
+ *	@rar: RAR number
+ *
+ *	Return the client this RAR maps to if a mapping is known, otherwise
+ *	returns NULL.
+ */
+static struct client *rar_to_client(int rar)
+{
+	int idx;
+	struct rar_device *r = _rar_to_device(rar, &idx);
+	if (r != NULL)
+		return &r->client[idx];
+	return NULL;
+}
+
+/**
+ *	rar_read_addr		-	retrieve a RAR mapping
+ *	@pdev: PCI device for the RAR
+ *	@offset: offset for message
+ *	@addr: returned address
+ *
+ *	Reads the address of a given RAR register. Returns 0 on success
+ *	or an error code on failure.
+ */
+static int rar_read_addr(struct pci_dev *pdev, int offset, dma_addr_t *addr)
 {
 	/*
 	 * ======== The Lincroft Message Bus Interface ========
-	 * Lincroft registers may be obtained from the PCI
-	 * (the Host Bridge) using the Lincroft Message Bus
+	 * Lincroft registers may be obtained via PCI from
+	 * the host bridge using the Lincroft Message Bus
 	 * Interface.  That message bus interface is generally
 	 * comprised of two registers: a control register (MCR, 0xDO)
 	 * and a data register (MDR, 0xD4).
@@ -182,6 +243,7 @@ static int retrieve_rar_addr(struct pci_dev *pdev,
 	*/
 
 	int result;
+	u32 addr32;
 
 	/* Construct control message */
 	u32 const message =
@@ -192,11 +254,6 @@ static int retrieve_rar_addr(struct pci_dev *pdev,
 
 	dev_dbg(&pdev->dev, "Offset for 'get' LNC MSG is %x\n", offset);
 
-	if (addr == 0) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
 	/*
 	* We synchronize access to the Lincroft MCR and MDR registers
 	* until BOTH the command is issued through the MCR register
@@ -209,26 +266,25 @@ static int retrieve_rar_addr(struct pci_dev *pdev,
 
 	/* Send the control message */
 	result = pci_write_config_dword(pdev, LNC_MCR_OFFSET, message);
-
-	dev_dbg(&pdev->dev, "Result from send ctl register is %x\n", result);
-
 	if (!result) {
-		result = pci_read_config_dword(pdev, LNC_MDR_OFFSET,
-			(u32 *)addr);
-		dev_dbg(&pdev->dev,
-			"Result from read data register is %x\n", result);
-
-		dev_dbg(&pdev->dev,
-			"Value read from data register is %lx\n",
-			 (unsigned long)*addr);
+		/* Read back the address as a 32bit value */
+		result = pci_read_config_dword(pdev, LNC_MDR_OFFSET, &addr32);
+		*addr = (dma_addr_t)addr32;
 	}
-
 	mutex_unlock(&lnc_reg_mutex);
-
 	return result;
 }
 
-static int set_rar_address(struct pci_dev *pdev,
+/**
+ *	rar_set_addr		-	Set a RAR mapping
+ *	@pdev: PCI device for the RAR
+ *	@offset: offset for message
+ *	@addr: address to set
+ *
+ *	Sets the address of a given RAR register. Returns 0 on success
+ *	or an error code on failure.
+ */
+static int rar_set_addr(struct pci_dev *pdev,
 	int offset,
 	dma_addr_t addr)
 {
@@ -236,11 +292,11 @@ static int set_rar_address(struct pci_dev *pdev,
 	* Data being written to this register must be written before
 	* writing the appropriate control message to the MCR
 	* register.
-	* @note See rar_get_address() for a description of the
+	* See rar_get_addrs() for a description of the
 	* message bus interface being used here.
 	*/
 
-	int result = 0;
+	int result;
 
 	/* Construct control message */
 	u32 const message = (LNC_MESSAGE_WRITE_OPCODE << 24)
@@ -248,13 +304,6 @@ static int set_rar_address(struct pci_dev *pdev,
 		| (offset << 8)
 		| (LNC_MESSAGE_BYTE_WRITE_ENABLES << 4);
 
-	if (addr == 0) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	dev_dbg(&pdev->dev, "Offset for 'set' LNC MSG is %x\n", offset);
-
 	/*
 	* We synchronize access to the Lincroft MCR and MDR registers
 	* until BOTH the command is issued through the MCR register
@@ -267,32 +316,27 @@ static int set_rar_address(struct pci_dev *pdev,
 
 	/* Send the control message */
 	result = pci_write_config_dword(pdev, LNC_MDR_OFFSET, addr);
-
-	dev_dbg(&pdev->dev, "Result from write data register is %x\n", result);
-
-	if (!result) {
-		dev_dbg(&pdev->dev,
-			"Value written to data register is %lx\n",
-			 (unsigned long)addr);
-
+	if (!result)
+		/* And address */
 		result = pci_write_config_dword(pdev, LNC_MCR_OFFSET, message);
 
-		dev_dbg(&pdev->dev, "Result from send ctl register is %x\n",
-			result);
-	}
-
 	mutex_unlock(&lnc_reg_mutex);
-
 	return result;
 }
 
 /*
-* Initialize RAR parameters, such as bus addresses, etc.
-*/
-static int init_rar_params(struct pci_dev *pdev)
+ *	rar_init_params		-	Initialize RAR parameters
+ *	@rar: RAR device to initialise
+ *
+ *	Initialize RAR parameters, such as bus addresses, etc. Returns 0
+ *	on success, or an error code on failure.
+ */
+static int init_rar_params(struct rar_device *rar)
 {
+	struct pci_dev *pdev = rar->rar_dev;
 	unsigned int i;
 	int result = 0;
+	int offset = 0x10;	/* RAR 0 to 2 in order low/high/low/high/... */
 
 	/* Retrieve RAR start and end bus addresses.
 	* Access the RAR registers through the Lincroft Message Bus
@@ -300,15 +344,16 @@ static int init_rar_params(struct pci_dev *pdev)
 	*/
 
 	for (i = 0; i < MRST_NUM_RAR; ++i) {
-		struct RAR_offsets const *offset =
-			&my_rar_device.rar_offsets[i];
-		struct RAR_address_range *addr = &my_rar_device.rar_addr[i];
+		struct rar_addr *addr = &rar->rar_addr[i];
+
+		result = rar_read_addr(pdev, offset++, &addr->low);
+		if (result != 0)
+			return result;
+
+		result = rar_read_addr(pdev, offset++, &addr->high);
+		if (result != 0)
+			return result;
 
-	if ((retrieve_rar_addr(pdev, offset->low, &addr->low) != 0)
-		|| (retrieve_rar_addr(pdev, offset->high, &addr->high) != 0)) {
-		result = -1;
-		break;
-		}
 
 		/*
 		* Only the upper 22 bits of the RAR addresses are
@@ -336,201 +381,237 @@ static int init_rar_params(struct pci_dev *pdev)
 	/* Done accessing the device. */
 
 	if (result == 0) {
-		int z;
-		for (z = 0; z != MRST_NUM_RAR; ++z) {
+		for (i = 0; i != MRST_NUM_RAR; ++i) {
 			/*
 			* "BRAR" refers to the RAR registers in the
 			* Lincroft B-unit.
 			*/
 			dev_info(&pdev->dev, "BRAR[%u] bus address range = "
-			  "[%lx, %lx]\n", z,
-			  (unsigned long)my_rar_device.rar_addr[z].low,
-			  (unsigned long)my_rar_device.rar_addr[z].high);
+			  "[%lx, %lx]\n", i,
+			  (unsigned long)rar->rar_addr[i].low,
+			  (unsigned long)rar->rar_addr[i].high);
 		}
 	}
-
 	return result;
 }
 
-/*
- * The rar_get_address function is used by other device drivers
- * to obtain RAR address information on a RAR. It takes three
- * parameters:
+/**
+ *	rar_get_address		-	get the bus address in a RAR
+ *	@start: return value of start address of block
+ *	@end: return value of end address of block
  *
- * int rar_index
- * The rar_index is an index to the rar for which you wish to retrieve
- * the address information.
- * Values can be 0,1, or 2.
+ *	The rar_get_address function is used by other device drivers
+ *	to obtain RAR address information on a RAR. It takes three
+ *	parameters:
  *
- * The function returns a 0 upon success or a -1 if there is no RAR
- * facility on this system.
+ *	The function returns a 0 upon success or an error if there is no RAR
+ *	facility on this system.
  */
-int rar_get_address(int rar_index,
-	dma_addr_t *start_address,
-	dma_addr_t *end_address)
+int rar_get_address(int rar_index, dma_addr_t *start, dma_addr_t *end)
 {
-	int result = -ENODEV;
+	int idx;
+	struct rar_device *rar = rar_to_device(rar_index, &idx);
 
-	if (my_rar_device.registered) {
-		if (start_address == 0 || end_address == 0
-			|| rar_index >= MRST_NUM_RAR || rar_index < 0) {
-			result = -EINVAL;
-		} else {
-			*start_address =
-				my_rar_device.rar_addr[rar_index].low;
-			*end_address =
-				my_rar_device.rar_addr[rar_index].high;
-
-			result = 0;
-		}
+	if (rar == NULL) {
+		WARN_ON(1);
+		return -ENODEV;
 	}
 
-	return result;
+	*start = rar->rar_addr[idx].low;
+	*end = rar->rar_addr[idx].high;
+	return 0;
 }
 EXPORT_SYMBOL(rar_get_address);
 
-/*
- * The rar_lock function is ued by other device drivers to lock an RAR.
- * once an RAR is locked, it stays locked until the next system reboot.
- * The function takes one parameter:
+/**
+ *	rar_lock	-	lock a RAR register
+ *	@rar_index: RAR to lock (0-2)
  *
- * int rar_index
- * The rar_index is an index to the rar that you want to lock.
- * Values can be 0,1, or 2.
+ *	The rar_lock function is ued by other device drivers to lock an RAR.
+ *	once a RAR is locked, it stays locked until the next system reboot.
  *
- * The function returns a 0 upon success or a -1 if there is no RAR
- * facility on this system.
+ *	The function returns a 0 upon success or an error if there is no RAR
+ *	facility on this system, or the locking fails
  */
 int rar_lock(int rar_index)
 {
-	int result = -ENODEV;
+	struct rar_device *rar;
+	int result;
+	int idx;
+	dma_addr_t low, high;
 
-	if (rar_index >= MRST_NUM_RAR || rar_index < 0) {
-		result = -EINVAL;
-		return result;
+	rar = rar_to_device(rar_index, &idx);
+
+	if (rar == NULL) {
+		WARN_ON(1);
+		return -EINVAL;
 	}
 
-	dev_dbg(&my_rar_device.rar_dev->dev, "rar_lock mutex locking\n");
-	mutex_lock(&rar_mutex);
+	low = rar->rar_addr[idx].low & 0xfffffc00u;
+	high = rar->rar_addr[idx].high & 0xfffffc00u;
 
-	if (my_rar_device.registered) {
+	/*
+	* Only allow I/O from the graphics and Langwell;
+	* not from the x86 processor
+	*/
 
-		dma_addr_t low = my_rar_device.rar_addr[rar_index].low &
-			0xfffffc00u;
+	if (rar_index == RAR_TYPE_VIDEO) {
+		low |= 0x00000009;
+		high |= 0x00000015;
+	} else if (rar_index == RAR_TYPE_AUDIO) {
+		/* Only allow I/O from Langwell; nothing from x86 */
+		low |= 0x00000008;
+		high |= 0x00000018;
+	} else
+		/* Read-only from all agents */
+		high |= 0x00000018;
 
-		dma_addr_t high = my_rar_device.rar_addr[rar_index].high &
-			0xfffffc00u;
+	/*
+	* Now program the register using the Lincroft message
+	* bus interface.
+	*/
+	result = rar_set_addr(rar->rar_dev,
+				2 * idx, low);
 
-		/*
-		* Only allow I/O from the graphics and Langwell;
-		* Not from the x96 processor
-		*/
-		if (rar_index == (int)RAR_TYPE_VIDEO) {
-			low |= 0x00000009;
-			high |= 0x00000015;
-		}
+	if (result == 0)
+		result = rar_set_addr(rar->rar_dev,
+				2 * idx + 1, high);
 
-		else if (rar_index == (int)RAR_TYPE_AUDIO) {
-			/* Only allow I/O from Langwell; nothing from x86 */
-			low |= 0x00000008;
-			high |= 0x00000018;
-		}
-
-		else
-			/* Read-only from all agents */
-			high |= 0x00000018;
-
-		/*
-		* Now program the register using the Lincroft message
-		* bus interface.
-		*/
-		result = set_rar_address(my_rar_device.rar_dev,
-			my_rar_device.rar_offsets[rar_index].low,
-			low);
-
-		if (result == 0)
-			result = set_rar_address(
-			my_rar_device.rar_dev,
-			my_rar_device.rar_offsets[rar_index].high,
-			high);
-	}
-
-	dev_dbg(&my_rar_device.rar_dev->dev, "rar_lock mutex unlocking\n");
-	mutex_unlock(&rar_mutex);
 	return result;
 }
 EXPORT_SYMBOL(rar_lock);
 
-/* The register_rar function is to used by other device drivers
- * to ensure that this driver is ready. As we cannot be sure of
- * the compile/execute order of dirvers in ther kernel, it is
- * best to give this driver a callback function to call when
- * it is ready to give out addresses. The callback function
- * would have those steps that continue the initialization of
- * a driver that do require a valid RAR address. One of those
- * steps would be to call rar_get_address()
- * This function return 0 on success an -1 on failure.
-*/
-int register_rar(int (*callback)(void *yourparameter), void *yourparameter)
+/**
+ *	register_rar		-	register a RAR handler
+ *	@num: RAR we wish to register for
+ *	@callback: function to call when RAR support is available
+ *	@data: data to pass to this function
+ *
+ *	The register_rar function is to used by other device drivers
+ *	to ensure that this driver is ready. As we cannot be sure of
+ *	the compile/execute order of drivers in ther kernel, it is
+ *	best to give this driver a callback function to call when
+ *	it is ready to give out addresses. The callback function
+ *	would have those steps that continue the initialization of
+ *	a driver that do require a valid RAR address. One of those
+ *	steps would be to call rar_get_address()
+ *
+ *	This function return 0 on success an error code on failure.
+ */
+int register_rar(int num, int (*callback)(unsigned long data),
+							unsigned long data)
 {
-
-	int result = -ENODEV;
-
-	if (callback == NULL)
-		return -EINVAL;
+	/* For now we hardcode a single RAR device */
+	struct rar_device *rar;
+	struct client *c;
+	int idx;
+	int retval = 0;
 
 	mutex_lock(&rar_mutex);
 
-	if (my_rar_device.registered) {
+	/* Do we have a client mapping for this RAR number ? */
+	c = rar_to_client(num);
+	if (c == NULL) {
+		retval = -ERANGE;
+		goto done;
+	}
+	/* Is it claimed ? */
+	if (c->busy) {
+		retval = -EBUSY;
+		goto done;
+	}
+	c->busy = 1;
 
-		mutex_unlock(&rar_mutex);
+	/* See if we have a handler for this RAR yet, if we do then fire it */
+	rar = rar_to_device(num, &idx);
+
+	if (rar) {
 		/*
 		* if the driver already registered, then we can simply
 		* call the callback right now
 		*/
-
-		return (*callback)(yourparameter);
-	}
-
-	if (num_clients < MRST_NUM_RAR) {
-
-		clients[num_clients].client_callback = callback;
-		clients[num_clients].customer_data = yourparameter;
-		num_clients += 1;
-		result = 0;
+		(*callback)(data);
+		goto done;
 	}
 
+	/* Arrange to be called back when the hardware is found */
+	c->callback = callback;
+	c->driver_priv = data;
+done:
 	mutex_unlock(&rar_mutex);
-	return result;
-
+	return retval;
 }
 EXPORT_SYMBOL(register_rar);
 
-/* Suspend - returns -ENOSYS */
-static int rar_suspend(struct pci_dev *dev, pm_message_t state)
+/**
+ *	unregister_rar	-	release a RAR allocation
+ *	@num: RAR number
+ *
+ *	Releases a RAR allocation, or pending allocation. If a callback is
+ *	pending then this function will either complete before the unregister
+ *	returns or not at all.
+ */
+
+void unregister_rar(int num)
 {
-	return -ENOSYS;
+	struct client *c;
+
+	mutex_lock(&rar_mutex);
+	c = rar_to_client(num);
+	if (c == NULL || !c->busy)
+		WARN_ON(1);
+	else
+		c->busy = 0;
+	mutex_unlock(&rar_mutex);
+}
+EXPORT_SYMBOL(unregister_rar);
+
+/**
+ *	rar_callback		-	Process callbacks
+ *	@rar: new RAR device
+ *
+ *	Process the callbacks for a newly found RAR device.
+ */
+
+static void rar_callback(struct rar_device *rar)
+{
+	struct client *c = &rar->client[0];
+	int i;
+
+	mutex_lock(&rar_mutex);
+
+	rar->registered = 1;	/* Ensure no more callbacks queue */
+
+	for (i = 0; i < MRST_NUM_RAR; i++) {
+		if (c->callback && c->busy) {
+			c->callback(c->driver_priv);
+			c->callback = NULL;
+		}
+		c++;
+	}
+	mutex_unlock(&rar_mutex);
 }
 
-static int rar_resume(struct pci_dev *dev)
-{
-	return -ENOSYS;
-}
-
-/*
- * This function registers the driver with the device subsystem (
- * either PCI, USB, etc).
- * Function that is activaed on the succesful probe of the RAR device
- * (Moorestown host controller).
+/**
+ *	rar_probe		-	PCI probe callback
+ *	@dev: PCI device
+ *	@id: matching entry in the match table
+ *
+ *	A RAR device has been discovered. Initialise it and if successful
+ *	process any pending callbacks that can now be completed.
  */
 static int rar_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	int error;
-	int counter;
+	struct rar_device *rar;
 
 	dev_dbg(&dev->dev, "PCI probe starting\n");
 
-	/* enable the device */
+	rar = alloc_rar_device();
+	if (rar == NULL)
+		return -EBUSY;
+
+	/* Enable the device */
 	error = pci_enable_device(dev);
 	if (error) {
 		dev_err(&dev->dev,
@@ -538,50 +619,30 @@ static int rar_probe(struct pci_dev *dev, const struct pci_device_id *id)
 		goto end_function;
 	}
 
-	/* we have only one device; fill in the rar_device structure */
-	my_rar_device.rar_dev = dev;
+	/* Fill in the rar_device structure */
+	rar->rar_dev = pci_dev_get(dev);
+	pci_set_drvdata(dev, rar);
 
 	/*
-	* Initialize the RAR parameters, which have to be retrieved
-	* via the message bus interface.
-	*/
-	error = init_rar_params(dev);
+	 * Initialize the RAR parameters, which have to be retrieved
+	 * via the message bus interface.
+	 */
+	error = init_rar_params(rar);
 	if (error) {
 		pci_disable_device(dev);
-
-		dev_err(&dev->dev,
-			"Error retrieving RAR addresses\n");
-
+		dev_err(&dev->dev, "Error retrieving RAR addresses\n");
 		goto end_function;
 	}
-
-	dev_dbg(&dev->dev, "PCI probe locking\n");
-	mutex_lock(&rar_mutex);
-	my_rar_device.registered = 1;
-
 	/* now call anyone who has registered (using callbacks) */
-	for (counter = 0; counter < num_clients; counter += 1) {
-		if (clients[counter].client_callback) {
-			error = (*clients[counter].client_callback)(
-				clients[counter].customer_data);
-			/* set callback to NULL to indicate it has been done */
-			clients[counter].client_callback = NULL;
-				dev_dbg(&my_rar_device.rar_dev->dev,
-				"Callback called for %d\n",
-			counter);
-		}
-	}
-
-	dev_dbg(&dev->dev, "PCI probe unlocking\n");
-	mutex_unlock(&rar_mutex);
-
+	rar_callback(rar);
+	return 0;
 end_function:
-
+	free_rar_device(rar);
 	return error;
 }
 
 const struct pci_device_id rar_pci_id_tbl[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_RAR_DEVICE_ID) },
+	{ PCI_VDEVICE(INTEL, 0x4110) },
 	{ 0 }
 };
 
@@ -594,8 +655,7 @@ static struct pci_driver rar_pci_driver = {
 	.name = "rar_register_driver",
 	.id_table = rar_pci_id_tbl,
 	.probe = rar_probe,
-	.suspend = rar_suspend,
-	.resume = rar_resume
+	/* Cannot be unplugged - no remove */
 };
 
 static int __init rar_init_handler(void)
diff --git a/drivers/staging/rar_register/rar_register.h b/drivers/staging/rar_register/rar_register.h
index 29ade0f361d..ffa805780f8 100644
--- a/drivers/staging/rar_register/rar_register.h
+++ b/drivers/staging/rar_register/rar_register.h
@@ -21,63 +21,23 @@
 #ifndef _RAR_REGISTER_H
 #define _RAR_REGISTER_H
 
-# include <linux/types.h>
+#include <linux/types.h>
 
 /* following are used both in drivers as well as user space apps */
-enum RAR_type {
-	RAR_TYPE_VIDEO = 0,
-	RAR_TYPE_AUDIO,
-	RAR_TYPE_IMAGE,
-	RAR_TYPE_DATA
-};
+
+#define	RAR_TYPE_VIDEO	0
+#define	RAR_TYPE_AUDIO	1
+#define	RAR_TYPE_IMAGE	2
+#define	RAR_TYPE_DATA	3
 
 #ifdef __KERNEL__
 
-/* PCI device id for controller */
-#define PCI_RAR_DEVICE_ID 0x4110
+struct rar_device;
 
-/* The register_rar function is to used by other device drivers
- * to ensure that this driver is ready. As we cannot be sure of
- * the compile/execute order of dirvers in ther kernel, it is
- * best to give this driver a callback function to call when
- * it is ready to give out addresses. The callback function
- * would have those steps that continue the initialization of
- * a driver that do require a valid RAR address. One of those
- * steps would be to call get_rar_address()
- * This function return 0 on success an -1 on failure.
- */
-int register_rar(int (*callback)(void *yourparameter), void *yourparameter);
-
-/* The get_rar_address function is used by other device drivers
- * to obtain RAR address information on a RAR. It takes two
- * parameter:
- *
- * int rar_index
- * The rar_index is an index to the rar for which you wish to retrieve
- * the address information.
- * Values can be 0,1, or 2.
- *
- * struct RAR_address_struct is a pointer to a place to which the function
- * can return the address structure for the RAR.
- *
- * The function returns a 0 upon success or a -1 if there is no RAR
- * facility on this system.
- */
-int rar_get_address(int rar_index,
-		dma_addr_t *start_address,
-		dma_addr_t *end_address);
-
-/* The lock_rar function is ued by other device drivers to lock an RAR.
- * once an RAR is locked, it stays locked until the next system reboot.
- * The function takes one parameter:
- *
- * int rar_index
- * The rar_index is an index to the rar that you want to lock.
- * Values can be 0,1, or 2.
- *
- * The function returns a 0 upon success or a -1 if there is no RAR
- * facility on this system.
- */
+int register_rar(int num,
+		int (*callback)(unsigned long data), unsigned long data);
+void unregister_rar(int num);
+int rar_get_address(int rar_index, dma_addr_t *start, dma_addr_t *end);
 int rar_lock(int rar_index);
 
 #endif  /* __KERNEL__ */

From 6610944a91079a4002da310d3d5488feaae4a74a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 14:31:18 -0700
Subject: [PATCH 1148/3638] Staging: hv: fix up sparse warning in
 hyperv_utils.c

The function isn't called by anyone else, so mark it static.

Also remove version.h, as it is not needed.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/hyperv_utils.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/hv/hyperv_utils.c b/drivers/staging/hv/hyperv_utils.c
index ca52fbada7d..cbebad3e40a 100644
--- a/drivers/staging/hv/hyperv_utils.c
+++ b/drivers/staging/hv/hyperv_utils.c
@@ -24,7 +24,6 @@
 #include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/reboot.h>
-#include <linux/version.h>
 
 #include "logging.h"
 #include "osd.h"
@@ -38,7 +37,7 @@
 #include "utils.h"
 
 
-void shutdown_onchannelcallback(void *context)
+static void shutdown_onchannelcallback(void *context)
 {
 	struct vmbus_channel *channel = context;
 	u8 *buf;

From 30162d690c3539594b6dcebd677c985c6a74249e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:00:02 -0700
Subject: [PATCH 1149/3638] Staging: comedi: mark a variable as __user

This is really a userspace pointer, so mark it as such.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index 45272d8bf97..8e4caaacfc1 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -354,7 +354,7 @@
 		unsigned int __user *chanlist;	/* channel/range list */
 		unsigned int chanlist_len;
 
-		short *data;	/* data list, size depends on subd flags */
+		short __user *data;	/* data list, size depends on subd flags */
 		unsigned int data_len;
 	};
 

From 135998cc006c764dcfa147df84185614012852e5 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:01:19 -0700
Subject: [PATCH 1150/3638] Staging: comedi: 8255.c: mark some functions static

sparse pointed out that these functions should be static, so mark them
as such.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/8255.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/comedi/drivers/8255.c b/drivers/staging/comedi/drivers/8255.c
index 2d54993ffb1..e777ddfc8af 100644
--- a/drivers/staging/comedi/drivers/8255.c
+++ b/drivers/staging/comedi/drivers/8255.c
@@ -120,8 +120,8 @@ COMEDI_INITCLEANUP(driver_8255);
 
 static void do_config(struct comedi_device *dev, struct comedi_subdevice *s);
 
-void subdev_8255_interrupt(struct comedi_device *dev,
-			   struct comedi_subdevice *s)
+static void subdev_8255_interrupt(struct comedi_device *dev,
+				  struct comedi_subdevice *s)
 {
 	short d;
 
@@ -319,9 +319,10 @@ static int subdev_8255_cancel(struct comedi_device *dev,
 	return 0;
 }
 
-int subdev_8255_init(struct comedi_device *dev, struct comedi_subdevice *s,
-		     int (*cb) (int, int, int, unsigned long),
-		     unsigned long arg)
+static int subdev_8255_init(struct comedi_device *dev,
+			    struct comedi_subdevice *s,
+			    int (*cb) (int, int, int, unsigned long),
+			    unsigned long arg)
 {
 	s->type = COMEDI_SUBD_DIO;
 	s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@@ -349,9 +350,10 @@ int subdev_8255_init(struct comedi_device *dev, struct comedi_subdevice *s,
 }
 EXPORT_SYMBOL(subdev_8255_init);
 
-int subdev_8255_init_irq(struct comedi_device *dev, struct comedi_subdevice *s,
-			 int (*cb) (int, int, int, unsigned long),
-			 unsigned long arg)
+static int subdev_8255_init_irq(struct comedi_device *dev,
+				struct comedi_subdevice *s,
+				int (*cb) (int, int, int, unsigned long),
+				unsigned long arg)
 {
 	int ret;
 
@@ -369,7 +371,8 @@ int subdev_8255_init_irq(struct comedi_device *dev, struct comedi_subdevice *s,
 }
 EXPORT_SYMBOL(subdev_8255_init_irq);
 
-void subdev_8255_cleanup(struct comedi_device *dev, struct comedi_subdevice *s)
+static void subdev_8255_cleanup(struct comedi_device *dev,
+				struct comedi_subdevice *s)
 {
 	if (s->private) {
 		/* this test does nothing, so comment it out

From 643a5420f1df521e08efae7b15d377314b88cb70 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:02:00 -0700
Subject: [PATCH 1151/3638] Staging: comedi: usbduxfast.c: mark a function
 static

It does not need to be global.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/usbduxfast.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index 05b1973ea35..0d72c416e73 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -525,7 +525,7 @@ static int usbduxfastsub_upload(struct usbduxfastsub_s *udfs,
 	return 0;
 }
 
-int usbduxfastsub_submit_InURBs(struct usbduxfastsub_s *udfs)
+static int usbduxfastsub_submit_InURBs(struct usbduxfastsub_s *udfs)
 {
 	int ret;
 

From 6dd22814640bf04d2007489d8c1d1e0d24a09128 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:02:39 -0700
Subject: [PATCH 1152/3638] Staging: comedi: addi_common.h: properly mark this
 variable as __iomem

It's not an unsigned long, it's a __iomem pointer, so mark it as
such.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/addi-data/addi_common.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.h b/drivers/staging/comedi/drivers/addi-data/addi_common.h
index caeb6fd2d9b..1a2816920ff 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.h
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.h
@@ -351,7 +351,7 @@ struct addi_private {
 	int i_IobaseAmcc;	/*  base+size for AMCC chip */
 	int i_IobaseAddon;	/* addon base address */
 	int i_IobaseReserved;
-	unsigned long dw_AiBase;
+	void __iomem *dw_AiBase;
 	struct pcilst_struct *amcc;	/*  ptr too AMCC data */
 	unsigned char allocated;		/*  we have blocked card */
 	unsigned char b_ValidDriver;	/*  driver is ok */

From 2f78c64255bc6e960bf822f65bd80830f053e182 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:03:35 -0700
Subject: [PATCH 1153/3638] Staging: comedi: addi_common.c: sparse cleanups

Now that we are properly marking the variable as __iomem, don't
cast it.

Also fix up some other sparse warnings.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../staging/comedi/drivers/addi-data/addi_common.c  | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.c b/drivers/staging/comedi/drivers/addi-data/addi_common.c
index 6625fdc8e90..2c986413a81 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.c
@@ -293,8 +293,8 @@ static const struct addi_board boardtypes[] = {
 			0,
 			0,
 			0,
-			0,
-			0,
+			NULL,
+			NULL,
 			32,
 			0,
 			0,
@@ -2527,7 +2527,7 @@ static const struct addi_board boardtypes[] = {
 
 #define n_boardtypes (sizeof(boardtypes)/sizeof(struct addi_board))
 
-struct comedi_driver driver_addi = {
+static struct comedi_driver driver_addi = {
 	.driver_name = "addi_common",
 	.module = THIS_MODULE,
 	.attach = i_ADDI_Attach,
@@ -2639,9 +2639,8 @@ static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		devpriv->ps_BoardInfo = this_board;
 		devpriv->i_IobaseReserved = (int) io_addr[3];
 		printk("\nioremap begin");
-		devpriv->dw_AiBase =
-			(unsigned long) ioremap(io_addr[3],
-			this_board->i_IorangeBase3);
+		devpriv->dw_AiBase = ioremap(io_addr[3],
+					     this_board->i_IorangeBase3);
 		printk("\nioremap end");
 	}
 
@@ -2952,7 +2951,7 @@ static int i_ADDI_Detach(struct comedi_device *dev)
 					devpriv->ui_DmaBufferPages[1]);
 			}
 		} else {
-			iounmap((void *)devpriv->dw_AiBase);
+			iounmap(devpriv->dw_AiBase);
 
 			if (devpriv->allocated) {
 				i_pci_card_free(devpriv->amcc);

From ad2d4714a5468ff5fb6414d06b29c8d5ca31d6f9 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:04:19 -0700
Subject: [PATCH 1154/3638] Staging: comedi: addi_amcc_s5933.h: sparse cleanup

Mark a variable static that does not need to be global.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h b/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
index f96b1289cdf..3682503e341 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
+++ b/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
@@ -212,7 +212,7 @@ struct pcilst_struct {
 };
 
 /* ptr to root list of all amcc devices */
-struct pcilst_struct *amcc_devices;
+static struct pcilst_struct *amcc_devices;
 
 static const int i_ADDIDATADeviceID[] = { 0x15B8, 0x10E8 };
 

From e3752a1dfd8a003139dee2c80de3d915534e2b39 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:05:09 -0700
Subject: [PATCH 1155/3638] Staging: comedi: quatech_daqp_cs.c: fix up the irq

The irq needs to return the correct type.  Also fix up some other
sparse warnings that were found.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../staging/comedi/drivers/quatech_daqp_cs.c  | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index 3325f24448b..fb427dbe98f 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -244,8 +244,7 @@ static int daqp_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
  * comedi kernel module, and signal various comedi callback routines,
  * which run pretty quick.
  */
-
-static void daqp_interrupt(int irq, void *dev_id)
+static enum irqreturn daqp_interrupt(int irq, void *dev_id)
 {
 	struct local_info_t *local = (struct local_info_t *)dev_id;
 	struct comedi_device *dev;
@@ -256,32 +255,32 @@ static void daqp_interrupt(int irq, void *dev_id)
 	if (local == NULL) {
 		printk(KERN_WARNING
 		       "daqp_interrupt(): irq %d for unknown device.\n", irq);
-		return;
+		return IRQ_NONE;
 	}
 
 	dev = local->dev;
 	if (dev == NULL) {
 		printk(KERN_WARNING "daqp_interrupt(): NULL comedi_device.\n");
-		return;
+		return IRQ_NONE;
 	}
 
 	if (!dev->attached) {
 		printk(KERN_WARNING
 		       "daqp_interrupt(): struct comedi_device not yet attached.\n");
-		return;
+		return IRQ_NONE;
 	}
 
 	s = local->s;
 	if (s == NULL) {
 		printk(KERN_WARNING
 		       "daqp_interrupt(): NULL comedi_subdevice.\n");
-		return;
+		return IRQ_NONE;
 	}
 
 	if ((struct local_info_t *)s->private != local) {
 		printk(KERN_WARNING
 		       "daqp_interrupt(): invalid comedi_subdevice.\n");
-		return;
+		return IRQ_NONE;
 	}
 
 	switch (local->interrupt_mode) {
@@ -340,6 +339,7 @@ static void daqp_interrupt(int irq, void *dev_id)
 
 		comedi_event(dev, s);
 	}
+	return IRQ_HANDLED;
 }
 
 /* One-shot analog data acquisition routine */
@@ -580,7 +580,7 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 	struct local_info_t *local = (struct local_info_t *)s->private;
 	struct comedi_cmd *cmd = &s->async->cmd;
-	int counter = 100;
+	int counter;
 	int scanlist_start_on_every_entry;
 	int threshold;
 
@@ -613,14 +613,14 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	 */
 
 	if (cmd->convert_src == TRIG_TIMER) {
-		int counter = daqp_ns_to_timer(&cmd->convert_arg,
+		counter = daqp_ns_to_timer(&cmd->convert_arg,
 					       cmd->flags & TRIG_ROUND_MASK);
 		outb(counter & 0xff, dev->iobase + DAQP_PACER_LOW);
 		outb((counter >> 8) & 0xff, dev->iobase + DAQP_PACER_MID);
 		outb((counter >> 16) & 0xff, dev->iobase + DAQP_PACER_HIGH);
 		scanlist_start_on_every_entry = 1;
 	} else {
-		int counter = daqp_ns_to_timer(&cmd->scan_begin_arg,
+		counter = daqp_ns_to_timer(&cmd->scan_begin_arg,
 					       cmd->flags & TRIG_ROUND_MASK);
 		outb(counter & 0xff, dev->iobase + DAQP_PACER_LOW);
 		outb((counter >> 8) & 0xff, dev->iobase + DAQP_PACER_MID);
@@ -755,7 +755,7 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	/* Reset any pending interrupts (my card has a tendancy to require
 	 * require multiple reads on the status register to achieve this)
 	 */
-
+	counter = 100;
 	while (--counter
 	       && (inb(dev->iobase + DAQP_STATUS) & DAQP_STATUS_EVENTS)) ;
 	if (!counter) {
@@ -1244,7 +1244,7 @@ static struct pcmcia_device_id daqp_cs_id_table[] = {
 
 MODULE_DEVICE_TABLE(pcmcia, daqp_cs_id_table);
 
-struct pcmcia_driver daqp_cs_driver = {
+static struct pcmcia_driver daqp_cs_driver = {
 	.probe = daqp_cs_attach,
 	.remove = daqp_cs_detach,
 	.suspend = daqp_cs_suspend,

From b74a9670857c2af74e36ecbd31bbc55ddd8e1311 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:05:52 -0700
Subject: [PATCH 1156/3638] Staging: comedi: plx9080.h: properly mark iomem
 variables

It's a __iomem *, so mark it as such.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/plx9080.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/plx9080.h b/drivers/staging/comedi/drivers/plx9080.h
index 53bcdb7b5c5..485d63f9929 100644
--- a/drivers/staging/comedi/drivers/plx9080.h
+++ b/drivers/staging/comedi/drivers/plx9080.h
@@ -380,9 +380,9 @@ enum bigend_bits {
 #define MBX_ADDR_SPACE_360 0x80	/* wanXL100s/200/400 */
 #define MBX_ADDR_MASK_360 (MBX_ADDR_SPACE_360-1)
 
-static inline int plx9080_abort_dma(void *iobase, unsigned int channel)
+static inline int plx9080_abort_dma(void __iomem *iobase, unsigned int channel)
 {
-	void *dma_cs_addr;
+	void __iomem *dma_cs_addr;
 	uint8_t dma_status;
 	const int timeout = 10000;
 	unsigned int i;

From d18c5906d0914d911a13d342ff61a6bca6aff597 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:06:33 -0700
Subject: [PATCH 1157/3638] Staging: comedi: das1800.c: fix a locking error on
 the error path.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/das1800.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index d91c2d9d595..de5e82fec87 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -1637,7 +1637,8 @@ static int das1800_ai_rinsn(struct comedi_device *dev,
 		}
 		if (i == timeout) {
 			comedi_error(dev, "timeout");
-			return -ETIME;
+			n = -ETIME;
+			goto exit;
 		}
 		dpnt = inw(dev->iobase + DAS1800_FIFO);
 		/* shift data to offset binary for bipolar ranges */
@@ -1645,6 +1646,7 @@ static int das1800_ai_rinsn(struct comedi_device *dev,
 			dpnt += 1 << (thisboard->resolution - 1);
 		data[n] = dpnt;
 	}
+exit:
 	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	return n;

From f31d0008cef0df52d1a2662ef56a24bdd88b0105 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:07:03 -0700
Subject: [PATCH 1158/3638] Staging: comedi: cb_pcidas64.c: fix sparse warnings

This fixes a bunch of iomem and other sparse warnings.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/cb_pcidas64.c | 54 ++++++++++----------
 1 file changed, 28 insertions(+), 26 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 0d9e92e59f9..3443fc1b918 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -1101,9 +1101,9 @@ struct pcidas64_private {
 	resource_size_t main_phys_iobase;
 	resource_size_t dio_counter_phys_iobase;
 	/*  base addresses (ioremapped) */
-	void *plx9080_iobase;
-	void *main_iobase;
-	void *dio_counter_iobase;
+	void __iomem *plx9080_iobase;
+	void __iomem *main_iobase;
+	void __iomem *dio_counter_iobase;
 	/*  local address (used by dma controller) */
 	uint32_t local0_iobase;
 	uint32_t local1_iobase;
@@ -1183,8 +1183,8 @@ static int ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
 static irqreturn_t handle_interrupt(int irq, void *d);
 static int ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
 static int ao_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
-static int dio_callback(int dir, int port, int data, unsigned long arg);
-static int dio_callback_4020(int dir, int port, int data, unsigned long arg);
+static int dio_callback(int dir, int port, int data, void __iomem *base);
+static int dio_callback_4020(int dir, int port, int data, void __iomem *base);
 static int di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
 		    struct comedi_insn *insn, unsigned int *data);
 static int do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
@@ -1316,7 +1316,7 @@ static inline int ao_cmd_is_supported(const struct pcidas64_board *board)
 static void init_plx9080(struct comedi_device *dev)
 {
 	uint32_t bits;
-	void *plx_iobase = priv(dev)->plx9080_iobase;
+	void __iomem *plx_iobase = priv(dev)->plx9080_iobase;
 
 	priv(dev)->plx_control_bits =
 	    readl(priv(dev)->plx9080_iobase + PLX_CONTROL_REG);
@@ -1406,7 +1406,7 @@ static void init_plx9080(struct comedi_device *dev)
 static int setup_subdevices(struct comedi_device *dev)
 {
 	struct comedi_subdevice *s;
-	void *dio_8255_iobase;
+	void __iomem *dio_8255_iobase;
 	int i;
 
 	if (alloc_subdevices(dev, 10) < 0)
@@ -1432,7 +1432,6 @@ static int setup_subdevices(struct comedi_device *dev)
 	s->do_cmdtest = ai_cmdtest;
 	s->cancel = ai_cancel;
 	if (board(dev)->layout == LAYOUT_4020) {
-		unsigned int i;
 		uint8_t data;
 		/*  set adc to read from inputs (not internal calibration sources) */
 		priv(dev)->i2c_cal_range_bits = adc_src_4020_bits(4);
@@ -1614,7 +1613,7 @@ static void init_stc_registers(struct comedi_device *dev)
 	disable_ai_pacing(dev);
 };
 
-int alloc_and_init_dma_members(struct comedi_device *dev)
+static int alloc_and_init_dma_members(struct comedi_device *dev)
 {
 	int i;
 
@@ -1877,12 +1876,12 @@ static int detach(struct comedi_device *dev)
 		if (priv(dev)->hw_dev) {
 			if (priv(dev)->plx9080_iobase) {
 				disable_plx_interrupts(dev);
-				iounmap((void *)priv(dev)->plx9080_iobase);
+				iounmap(priv(dev)->plx9080_iobase);
 			}
 			if (priv(dev)->main_iobase)
-				iounmap((void *)priv(dev)->main_iobase);
+				iounmap(priv(dev)->main_iobase);
 			if (priv(dev)->dio_counter_iobase)
-				iounmap((void *)priv(dev)->dio_counter_iobase);
+				iounmap(priv(dev)->dio_counter_iobase);
 			/*  free pci dma buffers */
 			for (i = 0; i < ai_dma_ring_count(board(dev)); i++) {
 				if (priv(dev)->ai_buffer[i])
@@ -2978,7 +2977,7 @@ static void drain_dma_buffers(struct comedi_device *dev, unsigned int channel)
 	uint32_t next_transfer_addr;
 	int j;
 	int num_samples = 0;
-	void *pci_addr_reg;
+	void __iomem *pci_addr_reg;
 
 	if (channel)
 		pci_addr_reg =
@@ -3018,8 +3017,9 @@ static void drain_dma_buffers(struct comedi_device *dev, unsigned int channel)
 	 * unused buffer) */
 }
 
-void handle_ai_interrupt(struct comedi_device *dev, unsigned short status,
-			 unsigned int plx_status)
+static void handle_ai_interrupt(struct comedi_device *dev,
+				unsigned short status,
+				unsigned int plx_status)
 {
 	struct comedi_subdevice *s = dev->read_subdev;
 	struct comedi_async *async = s->async;
@@ -3229,7 +3229,7 @@ static irqreturn_t handle_interrupt(int irq, void *d)
 	return IRQ_HANDLED;
 }
 
-void abort_dma(struct comedi_device *dev, unsigned int channel)
+static void abort_dma(struct comedi_device *dev, unsigned int channel)
 {
 	unsigned long flags;
 
@@ -3424,7 +3424,7 @@ static void load_ao_dma(struct comedi_device *dev, const struct comedi_cmd *cmd)
 {
 	unsigned int num_bytes;
 	unsigned int next_transfer_addr;
-	void *pci_addr_reg =
+	void __iomem *pci_addr_reg =
 	    priv(dev)->plx9080_iobase + PLX_DMA0_PCI_ADDRESS_REG;
 	unsigned int buffer_index;
 
@@ -3658,24 +3658,24 @@ static int ao_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 	return 0;
 }
 
-static int dio_callback(int dir, int port, int data, unsigned long iobase)
+static int dio_callback(int dir, int port, int data, void __iomem *iobase)
 {
 	if (dir) {
-		writeb(data, (void *)(iobase + port));
+		writeb(data, iobase + port);
 		DEBUG_PRINT("wrote 0x%x to port %i\n", data, port);
 		return 0;
 	} else {
-		return readb((void *)(iobase + port));
+		return readb(iobase + port);
 	}
 }
 
-static int dio_callback_4020(int dir, int port, int data, unsigned long iobase)
+static int dio_callback_4020(int dir, int port, int data, void __iomem *iobase)
 {
 	if (dir) {
-		writew(data, (void *)(iobase + 2 * port));
+		writew(data, iobase + 2 * port);
 		return 0;
 	} else {
-		return readw((void *)(iobase + 2 * port));
+		return readw(iobase + 2 * port);
 	}
 }
 
@@ -3862,7 +3862,7 @@ static uint16_t read_eeprom(struct comedi_device *dev, uint8_t address)
 	static const int read_command = 0x6;
 	unsigned int bitstream = (read_command << 8) | address;
 	unsigned int bit;
-	void *const plx_control_addr =
+	void __iomem * const plx_control_addr =
 	    priv(dev)->plx9080_iobase + PLX_CONTROL_REG;
 	uint16_t value;
 	static const int value_length = 16;
@@ -4185,7 +4185,8 @@ static const int i2c_low_udelay = 10;
 static void i2c_set_sda(struct comedi_device *dev, int state)
 {
 	static const int data_bit = CTL_EE_W;
-	void *plx_control_addr = priv(dev)->plx9080_iobase + PLX_CONTROL_REG;
+	void __iomem *plx_control_addr = priv(dev)->plx9080_iobase +
+					 PLX_CONTROL_REG;
 
 	if (state) {
 		/*  set data line high */
@@ -4204,7 +4205,8 @@ static void i2c_set_sda(struct comedi_device *dev, int state)
 static void i2c_set_scl(struct comedi_device *dev, int state)
 {
 	static const int clock_bit = CTL_USERO;
-	void *plx_control_addr = priv(dev)->plx9080_iobase + PLX_CONTROL_REG;
+	void __iomem *plx_control_addr = priv(dev)->plx9080_iobase +
+					 PLX_CONTROL_REG;
 
 	if (state) {
 		/*  set clock line high */

From a7f22a84ba2e5a99b874bf36a772b5d7424cec11 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:07:43 -0700
Subject: [PATCH 1159/3638] Staging: comedi: amplc_dio200.c: fix NULL sparse
 warnings

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/amplc_dio200.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c
index 6a87652e7e2..8eb67651486 100644
--- a/drivers/staging/comedi/drivers/amplc_dio200.c
+++ b/drivers/staging/comedi/drivers/amplc_dio200.c
@@ -661,7 +661,7 @@ dio200_inttrig_start_intr(struct comedi_device *dev, struct comedi_subdevice *s,
 	subpriv = s->private;
 
 	spin_lock_irqsave(&subpriv->spinlock, flags);
-	s->async->inttrig = 0;
+	s->async->inttrig = NULL;
 	if (subpriv->active)
 		event = dio200_start_intr(dev, s);
 
@@ -1364,7 +1364,7 @@ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 			break;
 		case sd_8255:
 			/* digital i/o subdevice (8255) */
-			ret = subdev_8255_init(dev, s, 0,
+			ret = subdev_8255_init(dev, s, NULL,
 					       iobase + layout->sdinfo[n]);
 			if (ret < 0)
 				return ret;

From a8cb9ad9ad872dc600314c1c8d07c420b3cdefbb Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:08:24 -0700
Subject: [PATCH 1160/3638] Staging: comedi: adv_pci1710.c: fix unsigned
 problem with divisors

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adv_pci1710.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 5c1ff779af2..67c4f11a36a 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -937,7 +937,8 @@ static int pci171x_ai_cmdtest(struct comedi_device *dev,
 			      struct comedi_cmd *cmd)
 {
 	int err = 0;
-	int tmp, divisor1 = 0, divisor2 = 0;
+	int tmp;
+	unsigned int divisor1 = 0, divisor2 = 0;
 
 	DPRINTK("adv_pci1710 EDBG: BGN: pci171x_ai_cmdtest(...)\n");
 #ifdef PCI171X_EXTDEBUG

From 5f35f3f19fd12226482f8b57c70d9a0f82470c87 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:08:51 -0700
Subject: [PATCH 1161/3638] Staging: comedi: adl_pci9118.c: fix unsigned
 problem with divisors

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci9118.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index dc4bd0423e6..ccef549778e 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -921,7 +921,8 @@ static int pci9118_ai_cmdtest(struct comedi_device *dev,
 			      struct comedi_cmd *cmd)
 {
 	int err = 0;
-	int tmp, divisor1 = 0, divisor2 = 0;
+	int tmp;
+	unsigned int divisor1 = 0, divisor2 = 0;
 
 	/* step 1: make sure trigger sources are trivially valid */
 

From 525d1b1395858606103d4663a570cc8725ff2ced Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:09:26 -0700
Subject: [PATCH 1162/3638] Staging: comedi: adl_pci9111.c: fix sparse warnings

divisor and other problems fixed.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/adl_pci9111.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c
index bbe0e332dae..36a254cd441 100644
--- a/drivers/staging/comedi/drivers/adl_pci9111.c
+++ b/drivers/staging/comedi/drivers/adl_pci9111.c
@@ -358,8 +358,8 @@ struct pci9111_private_data {
 
 	int ao_readback;	/*  Last written analog output data */
 
-	int timer_divisor_1;	/*  Divisor values for the 8254 timer pacer */
-	int timer_divisor_2;
+	unsigned int timer_divisor_1;	/*  Divisor values for the 8254 timer pacer */
+	unsigned int timer_divisor_2;
 
 	int is_valid;		/*  Is device valid */
 
@@ -1269,9 +1269,6 @@ found:
 
 	/*  TODO: Warn about non-tested boards. */
 
-	switch (board->device_id) {
-	};
-
 	/*  Read local configuration register base address [PCI_BASE_ADDRESS #1]. */
 
 	lcr_io_base = pci_resource_start(pci_device, 1);
@@ -1381,7 +1378,7 @@ static int pci9111_detach(struct comedi_device *dev)
 {
 	/*  Reset device */
 
-	if (dev->private != 0) {
+	if (dev->private != NULL) {
 		if (dev_private->is_valid)
 			pci9111_reset(dev);
 
@@ -1391,7 +1388,7 @@ static int pci9111_detach(struct comedi_device *dev)
 	if (dev->irq != 0)
 		free_irq(dev->irq, dev);
 
-	if (dev_private != 0 && dev_private->pci_device != 0) {
+	if (dev_private != NULL && dev_private->pci_device != NULL) {
 		if (dev->iobase)
 			comedi_pci_disable(dev_private->pci_device);
 		pci_dev_put(dev_private->pci_device);

From 08b93e7bda617a623ffae77940e4acfa31204367 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:09:53 -0700
Subject: [PATCH 1163/3638] Staging: comedi: hwdrv_apci035.c: fix sparse
 warnings

Some variables should be static.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c
index 791297266fc..1369e22b7ee 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c
@@ -52,9 +52,9 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 +----------------------------------------------------------------------------+
 */
 #include "hwdrv_apci035.h"
-int i_WatchdogNbr = 0;
-int i_Temp = 0;
-int i_Flag = 1;
+static int i_WatchdogNbr = 0;
+static int i_Temp = 0;
+static int i_Flag = 1;
 /*
 +----------------------------------------------------------------------------+
 | Function   Name   : int i_APCI035_ConfigTimerWatchdog                      |

From 1a538dfd16a4aa3a57a4c792c928fe83b05aacf0 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:10:36 -0700
Subject: [PATCH 1164/3638] Staging: comedi: hwdrv_apci035.h: fix sparse
 warnings

This let us delete two variables and mark one as static.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../comedi/drivers/addi-data/hwdrv_apci035.h     | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.h b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.h
index e0023c8cb62..68db9c10c99 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.h
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.h
@@ -19,22 +19,8 @@
 #define APCI035_BOARD_VENDOR_ID		0x15B8
 #define APCI035_ADDRESS_RANGE		255
 
-int i_TW_Number;
-struct {
-	int i_Gain;
-	int i_Polarity;
-	int i_OffsetRange;
-	int i_Coupling;
-	int i_SingleDiff;
-	int i_AutoCalibration;
-	unsigned int ui_ReloadValue;
-	unsigned int ui_TimeUnitReloadVal;
-	int i_Interrupt;
-	int i_ModuleSelection;
-} Config_Parameters_Main;
-
 /* ANALOG INPUT RANGE */
-struct comedi_lrange range_apci035_ai = { 8, {
+static struct comedi_lrange range_apci035_ai = { 8, {
 				       BIP_RANGE(10),
 				       BIP_RANGE(5),
 				       BIP_RANGE(2),

From 2179b4c8b5435cde6bc5fb9d2411527c646ba14a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:11:26 -0700
Subject: [PATCH 1165/3638] Staging: comedi: hwdrv_apci1032.c: sparse warning
 fixups

Mark a variable as static.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c
index fe06789699f..faea003e16c 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c
@@ -53,8 +53,8 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 */
 #include "hwdrv_apci1032.h"
 #include <linux/delay.h>
-/* Global variables */
-unsigned int ui_InterruptStatus;
+
+static unsigned int ui_InterruptStatus;
 
 /*
 +----------------------------------------------------------------------------+

From a943532652914e5acfbbd2e099edabda667a9de1 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:12:00 -0700
Subject: [PATCH 1166/3638] Staging: comedi: hwdrv_apci1500.c: sparse static
 cleanups

Mark a bunch of variables and functions as static.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../comedi/drivers/addi-data/hwdrv_apci1500.c | 94 +++++++++++--------
 1 file changed, 55 insertions(+), 39 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
index d5e06ad6acc..b3b921853e6 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
@@ -47,16 +47,16 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 */
 #include "hwdrv_apci1500.h"
 
-int i_TimerCounter1Init = 0;
-int i_TimerCounter2Init = 0;
-int i_WatchdogCounter3Init = 0;
-int i_Event1Status = 0, i_Event2Status = 0;
-int i_TimerCounterWatchdogInterrupt = 0;
-int i_Logic = 0, i_CounterLogic = 0;
-int i_InterruptMask = 0;
-int i_InputChannel = 0;
-int i_TimerCounter1Enabled = 0, i_TimerCounter2Enabled =
-	0, i_WatchdogCounter3Enabled = 0;
+static int i_TimerCounter1Init = 0;
+static int i_TimerCounter2Init = 0;
+static int i_WatchdogCounter3Init = 0;
+static int i_Event1Status = 0, i_Event2Status = 0;
+static int i_TimerCounterWatchdogInterrupt = 0;
+static int i_Logic = 0, i_CounterLogic = 0;
+static int i_InterruptMask = 0;
+static int i_InputChannel = 0;
+static int i_TimerCounter1Enabled = 0, i_TimerCounter2Enabled = 0,
+	   i_WatchdogCounter3Enabled = 0;
 
 /*
   +----------------------------------------------------------------------------+
@@ -136,9 +136,10 @@ int i_TimerCounter1Enabled = 0, i_TimerCounter2Enabled =
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI1500_ConfigDigitalInputEvent(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_ConfigDigitalInputEvent(struct comedi_device *dev,
+					      struct comedi_subdevice *s,
+					      struct comedi_insn *insn,
+					      unsigned int *data)
 {
 	int i_PatternPolarity = 0, i_PatternTransition = 0, i_PatternMask = 0;
 	int i_MaxChannel = 0, i_Count = 0, i_EventMask = 0;
@@ -519,8 +520,10 @@ int i_APCI1500_ConfigDigitalInputEvent(struct comedi_device *dev,
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-int i_APCI1500_StartStopInputEvent(struct comedi_device *dev, struct comedi_subdevice *s,
-	struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_StartStopInputEvent(struct comedi_device *dev,
+					  struct comedi_subdevice *s,
+					  struct comedi_insn *insn,
+					  unsigned int *data)
 {
 	int i_Event1InterruptStatus = 0, i_Event2InterruptStatus =
 		0, i_RegValue;
@@ -784,8 +787,10 @@ int i_APCI1500_StartStopInputEvent(struct comedi_device *dev, struct comedi_subd
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-int i_APCI1500_Initialisation(struct comedi_device *dev, struct comedi_subdevice *s,
-	struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_Initialisation(struct comedi_device *dev,
+				     struct comedi_subdevice *s,
+				     struct comedi_insn *insn,
+				     unsigned int *data)
 {
 	int i_DummyRead = 0;
     /******************/
@@ -956,9 +961,10 @@ int i_APCI1500_Initialisation(struct comedi_device *dev, struct comedi_subdevice
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI1500_ReadMoreDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
-	struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_ReadMoreDigitalInput(struct comedi_device *dev,
+					   struct comedi_subdevice *s,
+					   struct comedi_insn *insn,
+					   unsigned int *data)
 {
 	unsigned int ui_PortValue = data[1];
 	unsigned int ui_Mask = 0;
@@ -1040,8 +1046,10 @@ int i_APCI1500_ReadMoreDigitalInput(struct comedi_device *dev, struct comedi_sub
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-int i_APCI1500_ConfigDigitalOutputErrorInterrupt(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_ConfigDigitalOutputErrorInterrupt(struct comedi_device *dev,
+							struct comedi_subdevice *s,
+							struct comedi_insn *insn,
+							unsigned int *data)
 {
 	devpriv->b_OutputMemoryStatus = data[0];
 	return insn->n;
@@ -1066,9 +1074,10 @@ int i_APCI1500_ConfigDigitalOutputErrorInterrupt(struct comedi_device *dev,
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI1500_WriteDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s,
-	struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_WriteDigitalOutput(struct comedi_device *dev,
+					 struct comedi_subdevice *s,
+					 struct comedi_insn *insn,
+					 unsigned int *data)
 {
 	static unsigned int ui_Temp = 0;
 	unsigned int ui_Temp1;
@@ -1260,9 +1269,10 @@ int i_APCI1500_WriteDigitalOutput(struct comedi_device *dev, struct comedi_subde
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI1500_ConfigCounterTimerWatchdog(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_ConfigCounterTimerWatchdog(struct comedi_device *dev,
+						 struct comedi_subdevice *s,
+						 struct comedi_insn *insn,
+						 unsigned int *data)
 {
 	int i_TimerCounterMode, i_MasterConfiguration;
 
@@ -1860,8 +1870,10 @@ int i_APCI1500_ConfigCounterTimerWatchdog(struct comedi_device *dev,
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-int i_APCI1500_StartStopTriggerTimerCounterWatchdog(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_StartStopTriggerTimerCounterWatchdog(struct comedi_device *dev,
+							   struct comedi_subdevice *s,
+							   struct comedi_insn *insn,
+							   unsigned int *data)
 {
 	int i_CommandAndStatusValue;
 
@@ -2181,9 +2193,10 @@ int i_APCI1500_StartStopTriggerTimerCounterWatchdog(struct comedi_device *dev,
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI1500_ReadCounterTimerWatchdog(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_ReadCounterTimerWatchdog(struct comedi_device *dev,
+					       struct comedi_subdevice *s,
+					       struct comedi_insn *insn,
+					       unsigned int *data)
 {
 	int i_CommandAndStatusValue;
 	switch (data[0]) {
@@ -2370,8 +2383,10 @@ int i_APCI1500_ReadCounterTimerWatchdog(struct comedi_device *dev,
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-int i_APCI1500_ReadInterruptMask(struct comedi_device *dev, struct comedi_subdevice *s,
-	struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_ReadInterruptMask(struct comedi_device *dev,
+					struct comedi_subdevice *s,
+					struct comedi_insn *insn,
+					unsigned int *data)
 {
 	data[0] = i_InterruptMask;
 	data[1] = i_InputChannel;
@@ -2401,8 +2416,10 @@ int i_APCI1500_ReadInterruptMask(struct comedi_device *dev, struct comedi_subdev
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-int i_APCI1500_ConfigureInterrupt(struct comedi_device *dev, struct comedi_subdevice *s,
-	struct comedi_insn *insn, unsigned int *data)
+static int i_APCI1500_ConfigureInterrupt(struct comedi_device *dev,
+					 struct comedi_subdevice *s,
+					 struct comedi_insn *insn,
+					 unsigned int *data)
 {
 	unsigned int ui_Status;
 	int i_RegValue;
@@ -2821,8 +2838,7 @@ static void v_APCI1500_Interrupt(int irq, void *d)
 |			                                                         |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI1500_Reset(struct comedi_device *dev)
+static int i_APCI1500_Reset(struct comedi_device *dev)
 {
 	int i_DummyRead = 0;
 	i_TimerCounter1Init = 0;

From 0b437fc493621b07a1bc7dcfedbfd6e3b86a149e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:12:29 -0700
Subject: [PATCH 1167/3638] Staging: comedi: hwdrv_apci1564.c: static sparse
 cleanups.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
index 4413279c880..4299ff5214d 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
@@ -56,8 +56,8 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 #include "hwdrv_apci1564.h"
 
 /* Global variables */
-unsigned int ui_InterruptStatus_1564 = 0;
-unsigned int ui_InterruptData, ui_Type;
+static unsigned int ui_InterruptStatus_1564 = 0;
+static unsigned int ui_InterruptData, ui_Type;
 
 /*
 +----------------------------------------------------------------------------+

From 882980133d0d94ad060a727f17362e27b9fec263 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:12:53 -0700
Subject: [PATCH 1168/3638] Staging: comedi: hwdrv_apci2032.c: static sparse
 fix

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
index 2d325163c16..d7d22236778 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
@@ -53,7 +53,7 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 */
 
 #include "hwdrv_apci2032.h"
-unsigned int ui_InterruptData, ui_Type;
+static unsigned int ui_InterruptData, ui_Type;
 /*
 +----------------------------------------------------------------------------+
 | Function   Name   : int i_APCI2032_ConfigDigitalOutput                     |

From a6dc6d0df2e87c18af3c8b47d3c29613f5c90d9f Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:13:28 -0700
Subject: [PATCH 1169/3638] Staging: comedi: hwdrv_apci3501.h: make a variable
 static.

Cleans up the sparse warning.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.h b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.h
index c456d75674b..743523e804a 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.h
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.h
@@ -32,7 +32,7 @@
 #define MODE0                                     0
 #define MODE1                                     1
 /* ANALOG OUTPUT RANGE */
-struct comedi_lrange range_apci3501_ao = { 2, {
+static struct comedi_lrange range_apci3501_ao = { 2, {
 					BIP_RANGE(10),
 					UNI_RANGE(10)
 					}

From 4e4b592cb51342878166a2ea2bcf6151f0a3a29d Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 16:14:02 -0700
Subject: [PATCH 1170/3638] Staging: comedi: hwdrv_apci3xxx.c: loads of sparse
 cleanups

__iomem pointer fixes, and static cleanups.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../comedi/drivers/addi-data/hwdrv_apci3xxx.c | 191 ++++++++----------
 1 file changed, 82 insertions(+), 109 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
index 3692326d474..2e20bc7cdcd 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
@@ -67,10 +67,9 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 |                     1 : Conversion started                                 |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_TestConversionStarted(struct comedi_device *dev)
+static int i_APCI3XXX_TestConversionStarted(struct comedi_device *dev)
 {
-	if ((readl((void *)(devpriv->dw_AiBase + 8)) & 0x80000UL) == 0x80000UL)
+	if ((readl(devpriv->dw_AiBase + 8) & 0x80000UL) == 0x80000UL)
 		return 1;
 	else
 		return 0;
@@ -104,9 +103,10 @@ int i_APCI3XXX_TestConversionStarted(struct comedi_device *dev)
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_AnalogInputConfigOperatingMode(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_AnalogInputConfigOperatingMode(struct comedi_device *dev,
+						     struct comedi_subdevice *s,
+						     struct comedi_insn *insn,
+						     unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_TimeBase = 0;
@@ -204,19 +204,14 @@ int i_APCI3XXX_AnalogInputConfigOperatingMode(struct comedi_device *dev,
 								/* Set the convert timing unit */
 			      /*******************************/
 
-								writel((unsigned int)
-									b_TimeBase,
-									(void *)
-									(devpriv->
-										dw_AiBase
-										+
-										36));
+								writel((unsigned int)b_TimeBase,
+									devpriv->dw_AiBase + 36);
 
 			      /**************************/
 								/* Set the convert timing */
 			      /*************************/
 
-								writel(dw_ReloadValue, (void *)(devpriv->dw_AiBase + 32));
+								writel(dw_ReloadValue, devpriv->dw_AiBase + 32);
 							} else {
 			      /**************************/
 								/* Any conversion started */
@@ -294,9 +289,10 @@ int i_APCI3XXX_AnalogInputConfigOperatingMode(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_InsnConfigAnalogInput(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnConfigAnalogInput(struct comedi_device *dev,
+					    struct comedi_subdevice *s,
+					    struct comedi_insn *insn,
+					    unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 
@@ -354,9 +350,10 @@ int i_APCI3XXX_InsnConfigAnalogInput(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_InsnReadAnalogInput(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnReadAnalogInput(struct comedi_device *dev,
+					  struct comedi_subdevice *s,
+					  struct comedi_insn *insn,
+					  unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_Configuration = (unsigned char) CR_RANGE(insn->chanspec);
@@ -422,26 +419,20 @@ int i_APCI3XXX_InsnReadAnalogInput(struct comedi_device *dev,
 					/* Clear the FIFO */
 		    /******************/
 
-					writel(0x10000UL,
-						(void *)(devpriv->dw_AiBase +
-							12));
+					writel(0x10000UL, devpriv->dw_AiBase + 12);
 
 		    /*******************************/
 					/* Get and save the delay mode */
 		    /*******************************/
 
-					dw_Temp =
-						readl((void *)(devpriv->
-							dw_AiBase + 4));
+					dw_Temp = readl(devpriv->dw_AiBase + 4);
 					dw_Temp = dw_Temp & 0xFFFFFEF0UL;
 
 		    /***********************************/
 					/* Channel configuration selection */
 		    /***********************************/
 
-					writel(dw_Temp,
-						(void *)(devpriv->dw_AiBase +
-							4));
+					writel(dw_Temp, devpriv->dw_AiBase + 4);
 
 		    /**************************/
 					/* Make the configuration */
@@ -458,35 +449,28 @@ int i_APCI3XXX_InsnReadAnalogInput(struct comedi_device *dev,
 		    /***************************/
 
 					writel(dw_Configuration,
-						(void *)(devpriv->dw_AiBase +
-							0));
+					       devpriv->dw_AiBase + 0);
 
 		    /*********************/
 					/* Channel selection */
 		    /*********************/
 
 					writel(dw_Temp | 0x100UL,
-						(void *)(devpriv->dw_AiBase +
-							4));
+					       devpriv->dw_AiBase + 4);
 					writel((unsigned int) b_Channel,
-						(void *)(devpriv->dw_AiBase +
-							0));
+					       devpriv->dw_AiBase + 0);
 
 		    /***********************/
 					/* Restaure delay mode */
 		    /***********************/
 
-					writel(dw_Temp,
-						(void *)(devpriv->dw_AiBase +
-							4));
+					writel(dw_Temp, devpriv->dw_AiBase + 4);
 
 		    /***********************************/
 					/* Set the number of sequence to 1 */
 		    /***********************************/
 
-					writel(1,
-						(void *)(devpriv->dw_AiBase +
-							48));
+					writel(1, devpriv->dw_AiBase + 48);
 
 		    /***************************/
 					/* Save the interrupt flag */
@@ -514,50 +498,29 @@ int i_APCI3XXX_InsnReadAnalogInput(struct comedi_device *dev,
 							/* Start the conversion */
 			  /************************/
 
-							writel(0x80000UL,
-								(void *)
-								(devpriv->
-									dw_AiBase
-									+ 8));
+							writel(0x80000UL, devpriv->dw_AiBase + 8);
 
 			  /****************/
 							/* Wait the EOS */
 			  /****************/
 
 							do {
-								dw_Temp =
-									readl(
-									(void *)
-									(devpriv->
-										dw_AiBase
-										+
-										20));
-								dw_Temp =
-									dw_Temp
-									& 1;
+								dw_Temp = readl(devpriv->dw_AiBase + 20);
+								dw_Temp = dw_Temp & 1;
 							} while (dw_Temp != 1);
 
 			  /*************************/
 							/* Read the analog value */
 			  /*************************/
 
-							data[dw_AcquisitionCpt]
-								=
-								(unsigned int)
-								readl((void
-									*)
-								(devpriv->
-									dw_AiBase
-									+ 28));
+							data[dw_AcquisitionCpt] = (unsigned int)readl(devpriv->dw_AiBase + 28);
 						}
 					} else {
 		       /************************/
 						/* Start the conversion */
 		       /************************/
 
-						writel(0x180000UL,
-							(void *)(devpriv->
-								dw_AiBase + 8));
+						writel(0x180000UL, devpriv->dw_AiBase + 8);
 					}
 				} else {
 		    /**************************/
@@ -603,7 +566,7 @@ int i_APCI3XXX_InsnReadAnalogInput(struct comedi_device *dev,
 +----------------------------------------------------------------------------+
 */
 
-void v_APCI3XXX_Interrupt(int irq, void *d)
+static void v_APCI3XXX_Interrupt(int irq, void *d)
 {
 	struct comedi_device *dev = d;
 	unsigned char b_CopyCpt = 0;
@@ -613,13 +576,13 @@ void v_APCI3XXX_Interrupt(int irq, void *d)
 	/* Test if interrupt occur */
 	/***************************/
 
-	dw_Status = readl((void *)(devpriv->dw_AiBase + 16));
+	dw_Status = readl(devpriv->dw_AiBase + 16);
 	if ( (dw_Status & 0x2UL) == 0x2UL) {
 	   /***********************/
 		/* Reset the interrupt */
 	   /***********************/
 
-		writel(dw_Status, (void *)(devpriv->dw_AiBase + 16));
+		writel(dw_Status, devpriv->dw_AiBase + 16);
 
 	   /*****************************/
 		/* Test if interrupt enabled */
@@ -634,8 +597,7 @@ void v_APCI3XXX_Interrupt(int irq, void *d)
 				b_CopyCpt < devpriv->ui_AiNbrofChannels;
 				b_CopyCpt++) {
 				devpriv->ui_AiReadData[b_CopyCpt] =
-					(unsigned int) readl((void *)(devpriv->
-						dw_AiBase + 28));
+					(unsigned int)readl(devpriv->dw_AiBase + 28);
 			}
 
 	      /**************************/
@@ -682,9 +644,10 @@ void v_APCI3XXX_Interrupt(int irq, void *d)
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_InsnWriteAnalogOutput(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnWriteAnalogOutput(struct comedi_device *dev,
+					    struct comedi_subdevice *s,
+					    struct comedi_insn *insn,
+					    unsigned int *data)
 {
 	unsigned char b_Range = (unsigned char) CR_RANGE(insn->chanspec);
 	unsigned char b_Channel = (unsigned char) CR_CHAN(insn->chanspec);
@@ -710,24 +673,21 @@ int i_APCI3XXX_InsnWriteAnalogOutput(struct comedi_device *dev,
 				/* Set the range selection */
 		 /***************************/
 
-				writel(b_Range,
-					(void *)(devpriv->dw_AiBase + 96));
+				writel(b_Range, devpriv->dw_AiBase + 96);
 
 		 /**************************************************/
 				/* Write the analog value to the selected channel */
 		 /**************************************************/
 
 				writel((data[0] << 8) | b_Channel,
-					(void *)(devpriv->dw_AiBase + 100));
+					devpriv->dw_AiBase + 100);
 
 		 /****************************/
 				/* Wait the end of transfer */
 		 /****************************/
 
 				do {
-					dw_Status =
-						readl((void *)(devpriv->
-							dw_AiBase + 96));
+					dw_Status = readl(devpriv->dw_AiBase + 96);
 				} while ((dw_Status & 0x100) != 0x100);
 			} else {
 		 /***************************/
@@ -788,9 +748,10 @@ int i_APCI3XXX_InsnWriteAnalogOutput(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_InsnConfigInitTTLIO(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnConfigInitTTLIO(struct comedi_device *dev,
+					  struct comedi_subdevice *s,
+					  struct comedi_insn *insn,
+					  unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_Command = 0;
@@ -916,9 +877,10 @@ int i_APCI3XXX_InsnConfigInitTTLIO(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_InsnBitsTTLIO(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnBitsTTLIO(struct comedi_device *dev,
+				    struct comedi_subdevice *s,
+				    struct comedi_insn *insn,
+				    unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_ChannelCpt = 0;
@@ -1071,9 +1033,10 @@ int i_APCI3XXX_InsnBitsTTLIO(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_InsnReadTTLIO(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnReadTTLIO(struct comedi_device *dev,
+				    struct comedi_subdevice *s,
+				    struct comedi_insn *insn,
+				    unsigned int *data)
 {
 	unsigned char b_Channel = (unsigned char) CR_CHAN(insn->chanspec);
 	int i_ReturnValue = insn->n;
@@ -1184,9 +1147,10 @@ int i_APCI3XXX_InsnReadTTLIO(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
-int i_APCI3XXX_InsnWriteTTLIO(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnWriteTTLIO(struct comedi_device *dev,
+				     struct comedi_subdevice *s,
+				     struct comedi_insn *insn,
+				     unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_Channel = (unsigned char) CR_CHAN(insn->chanspec);
@@ -1296,8 +1260,10 @@ int i_APCI3XXX_InsnWriteTTLIO(struct comedi_device *dev,
 +----------------------------------------------------------------------------+
 */
 
-int i_APCI3XXX_InsnReadDigitalInput(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnReadDigitalInput(struct comedi_device *dev,
+					   struct comedi_subdevice *s,
+					   struct comedi_insn *insn,
+					   unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_Channel = (unsigned char) CR_CHAN(insn->chanspec);
@@ -1354,8 +1320,10 @@ int i_APCI3XXX_InsnReadDigitalInput(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-int i_APCI3XXX_InsnBitsDigitalInput(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnBitsDigitalInput(struct comedi_device *dev,
+					   struct comedi_subdevice *s,
+					   struct comedi_insn *insn,
+					   unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned int dw_Temp = 0;
@@ -1407,8 +1375,10 @@ int i_APCI3XXX_InsnBitsDigitalInput(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-int i_APCI3XXX_InsnBitsDigitalOutput(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnBitsDigitalOutput(struct comedi_device *dev,
+					    struct comedi_subdevice *s,
+					    struct comedi_insn *insn,
+					    unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_ChannelCpt = 0;
@@ -1503,8 +1473,10 @@ int i_APCI3XXX_InsnBitsDigitalOutput(struct comedi_device *dev,
 +----------------------------------------------------------------------------+
 */
 
-int i_APCI3XXX_InsnWriteDigitalOutput(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnWriteDigitalOutput(struct comedi_device *dev,
+					     struct comedi_subdevice *s,
+					     struct comedi_insn *insn,
+					     unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_Channel = CR_CHAN(insn->chanspec);
@@ -1578,8 +1550,10 @@ int i_APCI3XXX_InsnWriteDigitalOutput(struct comedi_device *dev,
 +----------------------------------------------------------------------------+
 */
 
-int i_APCI3XXX_InsnReadDigitalOutput(struct comedi_device *dev,
-	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3XXX_InsnReadDigitalOutput(struct comedi_device *dev,
+					    struct comedi_subdevice *s,
+					    struct comedi_insn *insn,
+					    unsigned int *data)
 {
 	int i_ReturnValue = insn->n;
 	unsigned char b_Channel = CR_CHAN(insn->chanspec);
@@ -1636,7 +1610,7 @@ int i_APCI3XXX_InsnReadDigitalOutput(struct comedi_device *dev,
 +----------------------------------------------------------------------------+
 */
 
-int i_APCI3XXX_Reset(struct comedi_device *dev)
+static int i_APCI3XXX_Reset(struct comedi_device *dev)
 {
 	unsigned char b_Cpt = 0;
 
@@ -1656,27 +1630,26 @@ int i_APCI3XXX_Reset(struct comedi_device *dev)
 	/* Clear the start command */
 	/***************************/
 
-	writel(0, (void *)(devpriv->dw_AiBase + 8));
+	writel(0, devpriv->dw_AiBase + 8);
 
 	/*****************************/
 	/* Reset the interrupt flags */
 	/*****************************/
 
-	writel(readl((void *)(devpriv->dw_AiBase + 16)),
-		(void *)(devpriv->dw_AiBase + 16));
+	writel(readl(devpriv->dw_AiBase + 16), devpriv->dw_AiBase + 16);
 
 	/*****************/
 	/* clear the EOS */
 	/*****************/
 
-	readl((void *)(devpriv->dw_AiBase + 20));
+	readl(devpriv->dw_AiBase + 20);
 
 	/******************/
 	/* Clear the FIFO */
 	/******************/
 
 	for (b_Cpt = 0; b_Cpt < 16; b_Cpt++) {
-		readl((void *)(devpriv->dw_AiBase + 28));
+		readl(devpriv->dw_AiBase + 28);
 	}
 
 	/************************/

From 7880fc54c985b4fbc0fab77f81b7f09610194e1c Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 4 May 2010 09:58:52 -0700
Subject: [PATCH 1171/3638] Staging: hv: cleanup network driver

Minor stuff:
   * Add module description
   * Remove variable set but never used.
   * Move variable inside conditional

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/netvsc_drv.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 51a56e2b43c..2ce9437b44b 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -111,14 +111,13 @@ static void netvsc_xmit_completion(void *context)
 	struct hv_netvsc_packet *packet = (struct hv_netvsc_packet *)context;
 	struct sk_buff *skb = (struct sk_buff *)
 		(unsigned long)packet->Completion.Send.SendCompletionTid;
-	struct net_device *net;
 
 	DPRINT_ENTER(NETVSC_DRV);
 
 	kfree(packet);
 
 	if (skb) {
-		net = skb->dev;
+		struct net_device *net = skb->dev;
 		dev_kfree_skb_any(skb);
 
 		if (netif_queue_stopped(net)) {
@@ -291,7 +290,6 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
 {
 	struct vm_device *device_ctx = to_vm_device(device_obj);
 	struct net_device *net = dev_get_drvdata(&device_ctx->device);
-	struct net_device_context *net_device_ctx;
 	struct sk_buff *skb;
 	void *data;
 	int i;
@@ -305,8 +303,6 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
 		return 0;
 	}
 
-	net_device_ctx = netdev_priv(net);
-
 	/* Allocate a skb - TODO direct I/O to pages? */
 	skb = netdev_alloc_skb_ip_align(net, packet->TotalDataBufferLength);
 	if (unlikely(!skb)) {
@@ -585,6 +581,7 @@ static void __exit netvsc_exit(void)
 
 MODULE_LICENSE("GPL");
 MODULE_VERSION(HV_DRV_VERSION);
+MODULE_DESCRIPTION("Microsoft Hyper-V network driver");
 module_param(netvsc_ringbuffer_size, int, S_IRUGO);
 
 module_init(netvsc_init);

From 450d7a4b7ace20fb1cbb4d87ccbccbac3f8895d0 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 4 May 2010 09:58:53 -0700
Subject: [PATCH 1172/3638] Staging: hv: ring parameter

The ring size parameter should be number of pages (not bytes).
Add module parameter information as well.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/NetVscApi.h  | 1 -
 drivers/staging/hv/netvsc_drv.c | 9 ++++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/hv/NetVscApi.h b/drivers/staging/hv/NetVscApi.h
index 95d7a32b12f..c372c98785d 100644
--- a/drivers/staging/hv/NetVscApi.h
+++ b/drivers/staging/hv/NetVscApi.h
@@ -28,7 +28,6 @@
 #include "VmbusApi.h"
 
 /* Defines */
-#define NETVSC_DEVICE_RING_BUFFER_SIZE	(64*PAGE_SIZE)
 #define HW_MACADDR_LEN			6
 
 /* Fwd declaration */
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 2ce9437b44b..b02455cfe23 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -52,7 +52,11 @@ struct netvsc_driver_context {
 	struct netvsc_driver drv_obj;
 };
 
-static int netvsc_ringbuffer_size = NETVSC_DEVICE_RING_BUFFER_SIZE;
+/* Need at least MAX_SKB_FRAGS (18) + 1
+   to handle worst case fragmented packet */
+static int ring_size = roundup_pow_of_two(2*MAX_SKB_FRAGS+1);
+module_param(ring_size, int, S_IRUGO);
+MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
 
 /* The one and only one */
 static struct netvsc_driver_context g_netvsc_drv;
@@ -536,7 +540,7 @@ static int netvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
 
 	vmbus_get_interface(&net_drv_obj->Base.VmbusChannelInterface);
 
-	net_drv_obj->RingBufferSize = netvsc_ringbuffer_size;
+	net_drv_obj->RingBufferSize = ring_size * PAGE_SIZE;
 	net_drv_obj->OnReceiveCallback = netvsc_recv_callback;
 	net_drv_obj->OnLinkStatusChanged = netvsc_linkstatus_callback;
 
@@ -582,7 +586,6 @@ static void __exit netvsc_exit(void)
 MODULE_LICENSE("GPL");
 MODULE_VERSION(HV_DRV_VERSION);
 MODULE_DESCRIPTION("Microsoft Hyper-V network driver");
-module_param(netvsc_ringbuffer_size, int, S_IRUGO);
 
 module_init(netvsc_init);
 module_exit(netvsc_exit);

From 9f8bd8bacf90c78e331ad63c38b0ea167e2ce639 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 4 May 2010 09:58:54 -0700
Subject: [PATCH 1173/3638] Staging: hv: use existing Ethernet header size

Use ETH_ALEN to indicate that MAC address is Ethernet.
Also use Linux printk format for mac addresses.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/NetVscApi.h   |  6 ------
 drivers/staging/hv/RndisFilter.c | 18 +++++++-----------
 2 files changed, 7 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/hv/NetVscApi.h b/drivers/staging/hv/NetVscApi.h
index c372c98785d..91a4cd9965d 100644
--- a/drivers/staging/hv/NetVscApi.h
+++ b/drivers/staging/hv/NetVscApi.h
@@ -27,9 +27,6 @@
 
 #include "VmbusApi.h"
 
-/* Defines */
-#define HW_MACADDR_LEN			6
-
 /* Fwd declaration */
 struct hv_netvsc_packet;
 
@@ -92,9 +89,6 @@ struct netvsc_driver {
 	u32 RingBufferSize;
 	u32 RequestExtSize;
 
-	/* Additional num  of page buffers to allocate */
-	u32 AdditionalRequestPageBufferCount;
-
 	/*
 	 * This is set by the caller to allow us to callback when we
 	 * receive a packet from the "wire"
diff --git a/drivers/staging/hv/RndisFilter.c b/drivers/staging/hv/RndisFilter.c
index cd2930de217..861139677e3 100644
--- a/drivers/staging/hv/RndisFilter.c
+++ b/drivers/staging/hv/RndisFilter.c
@@ -22,6 +22,8 @@
 #include <linux/highmem.h>
 #include <linux/slab.h>
 #include <linux/io.h>
+#include <linux/if_ether.h>
+
 #include "osd.h"
 #include "logging.h"
 #include "NetVscApi.h"
@@ -50,7 +52,7 @@ struct rndis_device {
 	spinlock_t request_lock;
 	struct list_head RequestList;
 
-	unsigned char HwMacAddr[HW_MACADDR_LEN];
+	unsigned char HwMacAddr[ETH_ALEN];
 };
 
 struct rndis_request {
@@ -538,7 +540,7 @@ Cleanup:
 
 static int RndisFilterQueryDeviceMac(struct rndis_device *Device)
 {
-	u32 size = HW_MACADDR_LEN;
+	u32 size = ETH_ALEN;
 
 	return RndisFilterQueryDevice(Device,
 				      RNDIS_OID_802_3_PERMANENT_ADDRESS,
@@ -833,16 +835,10 @@ static int RndisFilterOnDeviceAdd(struct hv_device *Device,
 		 */
 	}
 
-	DPRINT_INFO(NETVSC, "Device 0x%p mac addr %02x%02x%02x%02x%02x%02x",
-		    rndisDevice,
-		    rndisDevice->HwMacAddr[0],
-		    rndisDevice->HwMacAddr[1],
-		    rndisDevice->HwMacAddr[2],
-		    rndisDevice->HwMacAddr[3],
-		    rndisDevice->HwMacAddr[4],
-		    rndisDevice->HwMacAddr[5]);
+	DPRINT_INFO(NETVSC, "Device 0x%p mac addr %pM",
+		    rndisDevice, rndisDevice->HwMacAddr);
 
-	memcpy(deviceInfo->MacAddr, rndisDevice->HwMacAddr, HW_MACADDR_LEN);
+	memcpy(deviceInfo->MacAddr, rndisDevice->HwMacAddr, ETH_ALEN);
 
 	RndisFilterQueryDeviceLinkStatus(rndisDevice);
 

From 6048718d719f460abba8eaff1c0122247b2c3d91 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 4 May 2010 09:58:55 -0700
Subject: [PATCH 1174/3638] Staging: hv: transmit scatter gather support

The transmit management of pages was confusing for handling
fragmented SKB's. (But since NETIF_F_SG was never set, the code was never hit).

The parameter AdditionalRequestPageBufferCount is always one,
(and leads to ugly code), so just inline and add comments.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/RndisFilter.c |  1 -
 drivers/staging/hv/netvsc_drv.c  | 49 +++++++++++++-------------------
 2 files changed, 20 insertions(+), 30 deletions(-)

diff --git a/drivers/staging/hv/RndisFilter.c b/drivers/staging/hv/RndisFilter.c
index 861139677e3..de4bc80341c 100644
--- a/drivers/staging/hv/RndisFilter.c
+++ b/drivers/staging/hv/RndisFilter.c
@@ -624,7 +624,6 @@ int RndisFilterInit(struct netvsc_driver *Driver)
 		   sizeof(struct rndis_filter_packet));
 
 	Driver->RequestExtSize = sizeof(struct rndis_filter_packet);
-	Driver->AdditionalRequestPageBufferCount = 1; /* For rndis header */
 
 	/* Driver->Context = rndisDriver; */
 
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index b02455cfe23..4124979835a 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -144,27 +144,21 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 		(struct netvsc_driver_context *)driver_ctx;
 	struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
 	struct hv_netvsc_packet *packet;
-	int i;
 	int ret;
-	int num_frags;
+	unsigned int i, num_pages;
 	int retries = 0;
 
 	DPRINT_ENTER(NETVSC_DRV);
 
-	/* Support only 1 chain of frags */
-	ASSERT(skb_shinfo(skb)->frag_list == NULL);
-	ASSERT(skb->dev == net);
-
 	DPRINT_DBG(NETVSC_DRV, "xmit packet - len %d data_len %d",
 		   skb->len, skb->data_len);
 
-	/* Add 1 for skb->data and any additional ones requested */
-	num_frags = skb_shinfo(skb)->nr_frags + 1 +
-		    net_drv_obj->AdditionalRequestPageBufferCount;
+	/* Add 1 for skb->data and additional one for RNDIS */
+	num_pages = skb_shinfo(skb)->nr_frags + 1 + 1;
 
 	/* Allocate a netvsc packet based on # of frags. */
 	packet = kzalloc(sizeof(struct hv_netvsc_packet) +
-			 (num_frags * sizeof(struct hv_page_buffer)) +
+			 (num_pages * sizeof(struct hv_page_buffer)) +
 			 net_drv_obj->RequestExtSize, GFP_ATOMIC);
 	if (!packet) {
 		DPRINT_ERR(NETVSC_DRV, "unable to allocate hv_netvsc_packet");
@@ -173,36 +167,30 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 
 	packet->Extension = (void *)(unsigned long)packet +
 				sizeof(struct hv_netvsc_packet) +
-				    (num_frags * sizeof(struct hv_page_buffer));
+				    (num_pages * sizeof(struct hv_page_buffer));
 
 	/* Setup the rndis header */
-	packet->PageBufferCount = num_frags;
+	packet->PageBufferCount = num_pages;
 
 	/* TODO: Flush all write buffers/ memory fence ??? */
 	/* wmb(); */
 
 	/* Initialize it from the skb */
-	ASSERT(skb->data);
 	packet->TotalDataBufferLength	= skb->len;
 
-	/*
-	 * Start filling in the page buffers starting at
-	 * AdditionalRequestPageBufferCount offset
-	 */
-	packet->PageBuffers[net_drv_obj->AdditionalRequestPageBufferCount].Pfn = virt_to_phys(skb->data) >> PAGE_SHIFT;
-	packet->PageBuffers[net_drv_obj->AdditionalRequestPageBufferCount].Offset = (unsigned long)skb->data & (PAGE_SIZE - 1);
-	packet->PageBuffers[net_drv_obj->AdditionalRequestPageBufferCount].Length = skb->len - skb->data_len;
+	/* Start filling in the page buffers starting after RNDIS buffer. */
+	packet->PageBuffers[1].Pfn = virt_to_phys(skb->data) >> PAGE_SHIFT;
+	packet->PageBuffers[1].Offset
+		= (unsigned long)skb->data & (PAGE_SIZE - 1);
+	packet->PageBuffers[1].Length = skb_headlen(skb);
 
-	ASSERT((skb->len - skb->data_len) <= PAGE_SIZE);
+	/* Additional fragments are after SKB data */
+	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+		skb_frag_t *f = &skb_shinfo(skb)->frags[i];
 
-	for (i = net_drv_obj->AdditionalRequestPageBufferCount + 1;
-	     i < num_frags; i++) {
-		packet->PageBuffers[i].Pfn =
-			page_to_pfn(skb_shinfo(skb)->frags[i-(net_drv_obj->AdditionalRequestPageBufferCount+1)].page);
-		packet->PageBuffers[i].Offset =
-			skb_shinfo(skb)->frags[i-(net_drv_obj->AdditionalRequestPageBufferCount+1)].page_offset;
-		packet->PageBuffers[i].Length =
-			skb_shinfo(skb)->frags[i-(net_drv_obj->AdditionalRequestPageBufferCount+1)].size;
+		packet->PageBuffers[i+2].Pfn = page_to_pfn(f->page);
+		packet->PageBuffers[i+2].Offset = f->page_offset;
+		packet->PageBuffers[i+2].Length = f->size;
 	}
 
 	/* Set the completion routine */
@@ -423,6 +411,9 @@ static int netvsc_probe(struct device *device)
 
 	net->netdev_ops = &device_ops;
 
+	/* TODO: Add GSO and Checksum offload */
+	net->features = NETIF_F_SG;
+
 	SET_NETDEV_DEV(net, device);
 
 	ret = register_netdev(net);

From b220f5f925b8938747bfe4a61e362d132bdd9544 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 4 May 2010 09:58:56 -0700
Subject: [PATCH 1175/3638] Staging: hv: add transmit flow control

Keep track of the number of pages sent over transmit and stop
before going over.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/netvsc_drv.c | 74 +++++++++++++--------------------
 1 file changed, 28 insertions(+), 46 deletions(-)

diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 4124979835a..a6ca01025e4 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -43,6 +43,7 @@
 struct net_device_context {
 	/* point back to our device context */
 	struct vm_device *device_ctx;
+	unsigned long avail;
 };
 
 struct netvsc_driver_context {
@@ -52,8 +53,10 @@ struct netvsc_driver_context {
 	struct netvsc_driver drv_obj;
 };
 
-/* Need at least MAX_SKB_FRAGS (18) + 1
-   to handle worst case fragmented packet */
+#define PACKET_PAGES_LOWATER  8
+/* Need this many pages to handle worst case fragmented packet */
+#define PACKET_PAGES_HIWATER  (MAX_SKB_FRAGS + 2)
+
 static int ring_size = roundup_pow_of_two(2*MAX_SKB_FRAGS+1);
 module_param(ring_size, int, S_IRUGO);
 MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
@@ -122,14 +125,13 @@ static void netvsc_xmit_completion(void *context)
 
 	if (skb) {
 		struct net_device *net = skb->dev;
+		struct net_device_context *net_device_ctx = netdev_priv(net);
+		unsigned int num_pages = skb_shinfo(skb)->nr_frags + 2;
+
 		dev_kfree_skb_any(skb);
 
-		if (netif_queue_stopped(net)) {
-			DPRINT_INFO(NETVSC_DRV, "net device (%p) waking up...",
-				    net);
-
-			netif_wake_queue(net);
-		}
+		if ((net_device_ctx->avail += num_pages) >= PACKET_PAGES_HIWATER)
+ 			netif_wake_queue(net);
 	}
 
 	DPRINT_EXIT(NETVSC_DRV);
@@ -146,7 +148,6 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 	struct hv_netvsc_packet *packet;
 	int ret;
 	unsigned int i, num_pages;
-	int retries = 0;
 
 	DPRINT_ENTER(NETVSC_DRV);
 
@@ -155,14 +156,20 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 
 	/* Add 1 for skb->data and additional one for RNDIS */
 	num_pages = skb_shinfo(skb)->nr_frags + 1 + 1;
+	if (num_pages > net_device_ctx->avail)
+		return NETDEV_TX_BUSY;
 
 	/* Allocate a netvsc packet based on # of frags. */
 	packet = kzalloc(sizeof(struct hv_netvsc_packet) +
 			 (num_pages * sizeof(struct hv_page_buffer)) +
 			 net_drv_obj->RequestExtSize, GFP_ATOMIC);
 	if (!packet) {
+		/* out of memory, silently drop packet */
 		DPRINT_ERR(NETVSC_DRV, "unable to allocate hv_netvsc_packet");
-		return -1;
+
+		dev_kfree_skb(skb);
+		net->stats.tx_dropped++;
+		return NETDEV_TX_OK;
 	}
 
 	packet->Extension = (void *)(unsigned long)packet +
@@ -198,52 +205,26 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 	packet->Completion.Send.SendCompletionContext = packet;
 	packet->Completion.Send.SendCompletionTid = (unsigned long)skb;
 
-retry_send:
 	ret = net_drv_obj->OnSend(&net_device_ctx->device_ctx->device_obj,
 				  packet);
-
 	if (ret == 0) {
-		ret = NETDEV_TX_OK;
 		net->stats.tx_bytes += skb->len;
 		net->stats.tx_packets++;
+
+		DPRINT_DBG(NETVSC_DRV, "# of xmits %lu total size %lu",
+			   net->stats.tx_packets,
+			   net->stats.tx_bytes);
+
+		if ((net_device_ctx->avail -= num_pages) < PACKET_PAGES_LOWATER)
+			netif_stop_queue(net);
 	} else {
-		retries++;
-		if (retries < 4) {
-			DPRINT_ERR(NETVSC_DRV, "unable to send..."
-					"retrying %d...", retries);
-			udelay(100);
-			goto retry_send;
-		}
-
-		/* no more room or we are shutting down */
-		DPRINT_ERR(NETVSC_DRV, "unable to send (%d)..."
-			   "marking net device (%p) busy", ret, net);
-		DPRINT_INFO(NETVSC_DRV, "net device (%p) stopping", net);
-
-		ret = NETDEV_TX_BUSY;
+		/* we are shutting down or bus overloaded, just drop packet */
 		net->stats.tx_dropped++;
-
-		netif_stop_queue(net);
-
-		/*
-		 * Null it since the caller will free it instead of the
-		 * completion routine
-		 */
-		packet->Completion.Send.SendCompletionTid = 0;
-
-		/*
-		 * Release the resources since we will not get any send
-		 * completion
-		 */
-		netvsc_xmit_completion((void *)packet);
+		netvsc_xmit_completion(packet);
 	}
 
-	DPRINT_DBG(NETVSC_DRV, "# of xmits %lu total size %lu",
-		   net->stats.tx_packets,
-		   net->stats.tx_bytes);
-
 	DPRINT_EXIT(NETVSC_DRV);
-	return ret;
+	return NETDEV_TX_OK;
 }
 
 /*
@@ -382,6 +363,7 @@ static int netvsc_probe(struct device *device)
 
 	net_device_ctx = netdev_priv(net);
 	net_device_ctx->device_ctx = device_ctx;
+	net_device_ctx->avail = ring_size;
 	dev_set_drvdata(device, net);
 
 	/* Notify the netvsc driver of the new device */

From f82f4ad7bf9dc3c7268080cc2afdff897e1d72ca Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 4 May 2010 09:58:57 -0700
Subject: [PATCH 1176/3638] Staging: hv: add basic ethtool support

Ethtool allows querying device information and controlling parameters.
For now just add ability to turn on/off scatter/gather.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/netvsc_drv.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index a6ca01025e4..a6584a87661 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -326,6 +326,21 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
 	return 0;
 }
 
+static void netvsc_get_drvinfo(struct net_device *net,
+			       struct ethtool_drvinfo *info)
+{
+	strcpy(info->driver, "hv_netvsc");
+	strcpy(info->version, HV_DRV_VERSION);
+	strcpy(info->fw_version, "N/A");
+}
+
+static const struct ethtool_ops ethtool_ops = {
+	.get_drvinfo	= netvsc_get_drvinfo,
+	.get_sg		= ethtool_op_get_sg,
+	.set_sg		= ethtool_op_set_sg,
+	.get_link	= ethtool_op_get_link,
+};
+
 static const struct net_device_ops device_ops = {
 	.ndo_open =			netvsc_open,
 	.ndo_stop =			netvsc_close,
@@ -396,6 +411,7 @@ static int netvsc_probe(struct device *device)
 	/* TODO: Add GSO and Checksum offload */
 	net->features = NETIF_F_SG;
 
+	SET_ETHTOOL_OPS(net, &ethtool_ops);
 	SET_NETDEV_DEV(net, device);
 
 	ret = register_netdev(net);

From 5f87404dfce14b2a194d085b7bac4b8c3672ab00 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 22:20:54 +0100
Subject: [PATCH 1177/3638] Staging: iio: Trivial - remove pointless semi colon
 (checkpatch found)

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/industrialio-trigger.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c
index 918b0fd2b83..46bd94ab7d9 100644
--- a/drivers/staging/iio/industrialio-trigger.c
+++ b/drivers/staging/iio/industrialio-trigger.c
@@ -169,7 +169,7 @@ struct iio_trigger *iio_trigger_find_by_name(const char *name, size_t len)
 	mutex_unlock(&iio_trigger_list_lock);
 
 	return found ? trig : NULL;
-};
+}
 EXPORT_SYMBOL(iio_trigger_find_by_name);
 
 void iio_trigger_poll(struct iio_trigger *trig)

From 26de7208281fd21606201ab3314f60e517d6c56f Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 22:34:36 +0100
Subject: [PATCH 1178/3638] Staging: iio: accelerometers trivial checkpatch
 related fixes

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/lis3l02dq_ring.c | 11 +++++------
 drivers/staging/iio/accel/sca3000_core.c   |  4 ++--
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 7617da81871..9214d847fa3 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -192,8 +192,7 @@ error_ret:
 
 }
 
-static const u8 read_all_tx_array[] =
-{
+static const u8 read_all_tx_array[] = {
 	LIS3L02DQ_READ_REG(LIS3L02DQ_REG_OUT_X_L_ADDR), 0,
 	LIS3L02DQ_READ_REG(LIS3L02DQ_REG_OUT_X_H_ADDR), 0,
 	LIS3L02DQ_READ_REG(LIS3L02DQ_REG_OUT_Y_L_ADDR), 0,
@@ -358,10 +357,10 @@ static int lis3l02dq_data_rdy_ring_predisable(struct iio_dev *indio_dev)
 
 
 /* Caller responsible for locking as necessary. */
-static int __lis3l02dq_write_data_ready_config(struct device *dev,
-					       struct
-					       iio_event_handler_list *list,
-					       bool state)
+static int
+__lis3l02dq_write_data_ready_config(struct device *dev,
+				    struct iio_event_handler_list *list,
+				    bool state)
 {
 	int ret;
 	u8 valold;
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index 9485b132f6d..d4f82c39f33 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -277,7 +277,7 @@ static int sca3000_check_status(struct device *dev)
 	if (ret < 0)
 		goto error_ret;
 	if (rx[1] & SCA3000_EEPROM_CS_ERROR)
-		dev_err(dev, "eeprom error \n");
+		dev_err(dev, "eeprom error\n");
 	if (rx[1] & SCA3000_SPI_FRAME_ERROR)
 		dev_err(dev, "Previous SPI Frame was corrupt\n");
 	kfree(rx);
@@ -394,7 +394,7 @@ sca3000_show_available_measurement_modes(struct device *dev,
 		break;
 	}
 	/* always supported */
-	len += sprintf(buf + len, " 3 - motion detection \n");
+	len += sprintf(buf + len, " 3 - motion detection\n");
 
 	return len;
 }

From cb6405b15f7b2814f8f5170482b2e13ccfcb6376 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Tue, 4 May 2010 22:34:37 +0100
Subject: [PATCH 1179/3638] Staging: iio: light trivial whitespace fix

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/light/tsl2563.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c
index da3d51c52c7..f8a08365f19 100644
--- a/drivers/staging/iio/light/tsl2563.c
+++ b/drivers/staging/iio/light/tsl2563.c
@@ -646,7 +646,7 @@ static int __devinit tsl2563_probe(struct i2c_client *client,
 
 	err = tsl2563_detect(chip);
 	if (err) {
-		dev_err(&client->dev, "device not found, error %d \n", -err);
+		dev_err(&client->dev, "device not found, error %d\n", -err);
 		goto fail1;
 	}
 

From 1b183e4b93c4e05160d2c8f08b9546dd4752084b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:24:05 -0700
Subject: [PATCH 1180/3638] Staging: iio: adc: max1363_core: fix up some sparse
 warnings

Also fix a minor coding style issue.

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/adc/max1363_core.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c
index fa91cc14c64..4a77657285d 100644
--- a/drivers/staging/iio/adc/max1363_core.c
+++ b/drivers/staging/iio/adc/max1363_core.c
@@ -139,16 +139,15 @@ static const struct max1363_mode max1363_mode_table[] = {
 };
 
 const struct max1363_mode
-*max1363_match_mode(u32 mask, const struct max1363_chip_info *ci) {
+*max1363_match_mode(u32 mask, const struct max1363_chip_info *ci)
+{
 	int i;
 	if (mask)
 		for (i = 0; i < ci->num_modes; i++)
-			if (!((~max1363_mode_table[ci->mode_list[i]]
-			       .modemask) &
+			if (!((~max1363_mode_table[ci->mode_list[i]].modemask) &
 			      mask))
-				return &max1363_mode_table[ci
-							   ->mode_list[i]];
-	return 0;
+				return &max1363_mode_table[ci->mode_list[i]];
+	return NULL;
 };
 
 static ssize_t max1363_show_precision(struct device *dev,
@@ -298,7 +297,7 @@ static ssize_t max1363_show_scale(struct device *dev,
 			st->chip_info->int_vref_mv >> st->chip_info->bits);
 }
 
-IIO_DEVICE_ATTR(in_scale, S_IRUGO, max1363_show_scale, NULL, 0);
+static IIO_DEVICE_ATTR(in_scale, S_IRUGO, max1363_show_scale, NULL, 0);
 
 static ssize_t max1363_show_name(struct device *dev,
 				 struct device_attribute *attr,
@@ -309,7 +308,7 @@ static ssize_t max1363_show_name(struct device *dev,
 	return sprintf(buf, "%s\n", st->chip_info->name);
 }
 
-IIO_DEVICE_ATTR(name, S_IRUGO, max1363_show_name, NULL, 0);
+static IIO_DEVICE_ATTR(name, S_IRUGO, max1363_show_name, NULL, 0);
 
 /* Applies to max1363 */
 static const enum max1363_modes max1363_mode_list[] = {

From f03de82b3f10b2e8b7f75f3d4323ec38d131a99c Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:26:19 -0700
Subject: [PATCH 1181/3638] Staging: iio: max1363_core: fix bug in kzalloc call

The operands were switched around :(

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/adc/max1363_core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c
index 4a77657285d..905f8560d31 100644
--- a/drivers/staging/iio/adc/max1363_core.c
+++ b/drivers/staging/iio/adc/max1363_core.c
@@ -958,9 +958,8 @@ static int __devinit max1363_probe(struct i2c_client *client,
 	}
 
 	st->indio_dev->available_scan_masks
-		= kzalloc(GFP_KERNEL,
-			sizeof(*st->indio_dev->available_scan_masks)*
-			(st->chip_info->num_modes + 1));
+		= kzalloc(sizeof(*st->indio_dev->available_scan_masks)*
+			  (st->chip_info->num_modes + 1), GFP_KERNEL);
 	if (!st->indio_dev->available_scan_masks) {
 		ret = -ENOMEM;
 		goto error_free_device;

From acbbfe236eb6fa25fdfb2a8762d0ad260f6b667c Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:28:37 -0700
Subject: [PATCH 1182/3638] Staging: iio: adc: max1363_ring.c: fix up sparse
 warnings

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/adc/max1363_ring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c
index 85fde751a15..c8aa01109ec 100644
--- a/drivers/staging/iio/adc/max1363_ring.c
+++ b/drivers/staging/iio/adc/max1363_ring.c
@@ -142,7 +142,7 @@ static int max1363_ring_predisable(struct iio_dev *indio_dev)
  * then.  Some triggers will generate their own time stamp.  Currently
  * there is no way of notifying them when no one cares.
  **/
-void max1363_poll_func_th(struct iio_dev *indio_dev)
+static void max1363_poll_func_th(struct iio_dev *indio_dev)
 {
 	struct max1363_state *st = indio_dev->dev_data;
 

From 341713f265950884d2edbbf55088127a915927ad Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:29:41 -0700
Subject: [PATCH 1183/3638] Staging: iio: light: tsl2563: fix static sparse
 warning

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/light/tsl2563.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c
index f8a08365f19..e4b0a5ef1c1 100644
--- a/drivers/staging/iio/light/tsl2563.c
+++ b/drivers/staging/iio/light/tsl2563.c
@@ -607,7 +607,7 @@ static ssize_t tsl2563_show_name(struct device *dev,
 	return sprintf(buf, "%s\n", chip->client->name);
 }
 
-DEVICE_ATTR(name, S_IRUGO, tsl2563_show_name, NULL);
+static DEVICE_ATTR(name, S_IRUGO, tsl2563_show_name, NULL);
 
 static struct attribute *tsl2563_attributes[] = {
 	&dev_attr_adc0.attr,

From d1d8abdb05bddce645649c17949b0bc62e6f096b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:31:22 -0700
Subject: [PATCH 1184/3638] Staging: iio: trigger: fix up some global variables

These should be static.

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/trigger/iio-trig-gpio.c         | 4 ++--
 drivers/staging/iio/trigger/iio-trig-periodic-rtc.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/iio/trigger/iio-trig-gpio.c b/drivers/staging/iio/trigger/iio-trig-gpio.c
index e40099ff623..1da285d2863 100644
--- a/drivers/staging/iio/trigger/iio-trig-gpio.c
+++ b/drivers/staging/iio/trigger/iio-trig-gpio.c
@@ -25,8 +25,8 @@
 #include "../iio.h"
 #include "../trigger.h"
 
-LIST_HEAD(iio_gpio_trigger_list);
-DEFINE_MUTEX(iio_gpio_trigger_list_lock);
+static LIST_HEAD(iio_gpio_trigger_list);
+static DEFINE_MUTEX(iio_gpio_trigger_list_lock);
 
 struct iio_gpio_trigger_info {
 	struct mutex in_use;
diff --git a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c
index 4295bbc7b50..4ee3ae1ef89 100644
--- a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c
+++ b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c
@@ -19,8 +19,8 @@
 #include "../iio.h"
 #include "../trigger.h"
 
-LIST_HEAD(iio_prtc_trigger_list);
-DEFINE_MUTEX(iio_prtc_trigger_list_lock);
+static LIST_HEAD(iio_prtc_trigger_list);
+static DEFINE_MUTEX(iio_prtc_trigger_list_lock);
 
 struct iio_prtc_trigger_info {
 	struct rtc_device *rtc;

From 7cfce527a2cec1a2757136eb44d8dfa473a82d37 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:32:01 -0700
Subject: [PATCH 1185/3638] Staging: iio: accel: fix up some sparse warnings.

Minor stuff (static, NULL, etc.)

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/lis3l02dq_ring.c | 3 +--
 drivers/staging/iio/accel/sca3000_ring.c   | 8 ++++----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 9214d847fa3..78d8572e632 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -207,7 +207,7 @@ static const u8 read_all_tx_array[] = {
  * @rx_array:	(dma capable) recieve array, must be at least
  *		4*number of channels
  **/
-int lis3l02dq_read_all(struct lis3l02dq_state *st, u8 *rx_array)
+static int lis3l02dq_read_all(struct lis3l02dq_state *st, u8 *rx_array)
 {
 	struct spi_transfer *xfers;
 	struct spi_message msg;
@@ -588,7 +588,6 @@ void lis3l02dq_uninitialize_ring(struct iio_ring_buffer *ring)
 	iio_ring_buffer_unregister(ring);
 }
 
-
 int lis3l02dq_set_ring_length(struct iio_dev *indio_dev, int length)
 {
 	/* Set sensible defaults for the ring buffer */
diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c
index 2b39e6f6c26..8e8c068d401 100644
--- a/drivers/staging/iio/accel/sca3000_ring.c
+++ b/drivers/staging/iio/accel/sca3000_ring.c
@@ -186,9 +186,9 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
 	return ret ? ret : len;
 }
 
-static IIO_SCAN_EL_C(accel_x, 0, 0, 0, 0);
-static IIO_SCAN_EL_C(accel_y, 1, 0, 0, 0);
-static IIO_SCAN_EL_C(accel_z, 2, 0, 0, 0);
+static IIO_SCAN_EL_C(accel_x, 0, 0, 0, NULL);
+static IIO_SCAN_EL_C(accel_y, 1, 0, 0, NULL);
+static IIO_SCAN_EL_C(accel_z, 2, 0, 0, NULL);
 static IIO_CONST_ATTR(accel_precision_available, "8 11");
 static IIO_DEVICE_ATTR(accel_precision,
 		       S_IRUGO | S_IWUSR,
@@ -244,7 +244,7 @@ static struct iio_ring_buffer *sca3000_rb_allocate(struct iio_dev *indio_dev)
 
 	ring = kzalloc(sizeof *ring, GFP_KERNEL);
 	if (!ring)
-		return 0;
+		return NULL;
 	ring->private = indio_dev;
 	buf = &ring->buf;
 	iio_ring_buffer_init(buf, indio_dev);

From 0deebb4fc4784699afec04231f981aaad3126ff9 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:32:43 -0700
Subject: [PATCH 1186/3638] Staging: iio: industrialio-ring.c: fix up sparse
 warnings

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/industrialio-ring.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/iio/industrialio-ring.c b/drivers/staging/iio/industrialio-ring.c
index fc27d22a7ab..ada159bbb1f 100644
--- a/drivers/staging/iio/industrialio-ring.c
+++ b/drivers/staging/iio/industrialio-ring.c
@@ -58,7 +58,7 @@ EXPORT_SYMBOL(iio_push_or_escallate_ring_event);
  * This function relies on all ring buffer implementations having an
  * iio_ring_buffer as their first element.
  **/
-int iio_ring_open(struct inode *inode, struct file *filp)
+static int iio_ring_open(struct inode *inode, struct file *filp)
 {
 	struct iio_handler *hand
 		= container_of(inode->i_cdev, struct iio_handler, chrdev);
@@ -77,7 +77,7 @@ int iio_ring_open(struct inode *inode, struct file *filp)
  * This function relies on all ring buffer implementations having an
  * iio_ring_buffer as their first element.
  **/
-int iio_ring_release(struct inode *inode, struct file *filp)
+static int iio_ring_release(struct inode *inode, struct file *filp)
 {
 	struct cdev *cd = inode->i_cdev;
 	struct iio_handler *hand = iio_cdev_to_handler(cd);
@@ -96,10 +96,8 @@ int iio_ring_release(struct inode *inode, struct file *filp)
  * This function relies on all ring buffer implementations having an
  * iio_ring _bufer as their first element.
  **/
-ssize_t iio_ring_rip_outer(struct file *filp,
-			   char *buf,
-			   size_t count,
-			   loff_t *f_ps)
+static ssize_t iio_ring_rip_outer(struct file *filp, char __user *buf,
+				  size_t count, loff_t *f_ps)
 {
 	struct iio_ring_buffer *rb = filp->private_data;
 	int ret, dead_offset, copied;
@@ -251,7 +249,7 @@ void iio_ring_buffer_init(struct iio_ring_buffer *ring,
 	ring->indio_dev = dev_info;
 	ring->ev_int.private = ring;
 	ring->access_handler.private = ring;
-	ring->shared_ev_pointer.ev_p = 0;
+	ring->shared_ev_pointer.ev_p = NULL;
 	spin_lock_init(&ring->shared_ev_pointer.lock);
 }
 EXPORT_SYMBOL(iio_ring_buffer_init);

From 19ca92e0bca3499a12eb9b612b90bbe90d2cc895 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:33:27 -0700
Subject: [PATCH 1187/3638] Staging: iio: ring_sw.c: fix up sparse warnings

NULL usage, static stuff, etc.

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/ring_sw.c | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index 5ee3e453351..1f14cd4770e 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -21,10 +21,10 @@ static inline int __iio_allocate_sw_ring_buffer(struct iio_sw_ring_buffer *ring,
 		return -EINVAL;
 	__iio_update_ring_buffer(&ring->buf, bytes_per_datum, length);
 	ring->data = kmalloc(length*ring->buf.bpd, GFP_KERNEL);
-	ring->read_p = 0;
-	ring->write_p = 0;
-	ring->last_written_p = 0;
-	ring->half_p = 0;
+	ring->read_p = NULL;
+	ring->write_p = NULL;
+	ring->last_written_p = NULL;
+	ring->half_p = NULL;
 	return ring->data ? 0 : -ENOMEM;
 }
 
@@ -62,16 +62,15 @@ EXPORT_SYMBOL(iio_unmark_sw_rb_in_use);
  * in the device driver */
 /* Lock always held if their is a chance this may be called */
 /* Only one of these per ring may run concurrently - enforced by drivers */
-int iio_store_to_sw_ring(struct iio_sw_ring_buffer *ring,
-			 unsigned char *data,
-			 s64 timestamp)
+static int iio_store_to_sw_ring(struct iio_sw_ring_buffer *ring,
+				unsigned char *data, s64 timestamp)
 {
 	int ret = 0;
 	int code;
 	unsigned char *temp_ptr, *change_test_ptr;
 
 	/* initial store */
-	if (unlikely(ring->write_p == 0)) {
+	if (unlikely(ring->write_p == NULL)) {
 		ring->write_p = ring->data;
 		/* Doesn't actually matter if this is out of the set
 		 * as long as the read pointer is valid before this
@@ -102,7 +101,7 @@ int iio_store_to_sw_ring(struct iio_sw_ring_buffer *ring,
 	 */
 	ring->write_p = temp_ptr;
 
-	if (ring->read_p == 0)
+	if (ring->read_p == NULL)
 		ring->read_p = ring->data;
 	/* Buffer full - move the read pointer and create / escalate
 	 * ring event */
@@ -182,7 +181,7 @@ int iio_rip_sw_rb(struct iio_ring_buffer *r,
 
 	/* build local copy */
 	initial_read_p = ring->read_p;
-	if (unlikely(initial_read_p == 0)) { /* No data here as yet */
+	if (unlikely(initial_read_p == NULL)) { /* No data here as yet */
 		ret = 0;
 		goto error_free_data_cpy;
 	}
@@ -280,8 +279,8 @@ int iio_store_to_sw_rb(struct iio_ring_buffer *r, u8 *data, s64 timestamp)
 }
 EXPORT_SYMBOL(iio_store_to_sw_rb);
 
-int iio_read_last_from_sw_ring(struct iio_sw_ring_buffer *ring,
-			       unsigned char *data)
+static int iio_read_last_from_sw_ring(struct iio_sw_ring_buffer *ring,
+				      unsigned char *data)
 {
 	unsigned char *last_written_p_copy;
 
@@ -291,7 +290,7 @@ again:
 	last_written_p_copy = ring->last_written_p;
 	barrier(); /*unnessecary? */
 	/* Check there is anything here */
-	if (last_written_p_copy == 0)
+	if (last_written_p_copy == NULL)
 		return -EAGAIN;
 	memcpy(data, last_written_p_copy, ring->buf.bpd);
 
@@ -412,7 +411,7 @@ struct iio_ring_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev)
 
 	ring = kzalloc(sizeof *ring, GFP_KERNEL);
 	if (!ring)
-		return 0;
+		return NULL;
 	buf = &ring->buf;
 	iio_ring_buffer_init(buf, indio_dev);
 	__iio_init_sw_ring_buffer(ring);

From 74112d3f3a64afb98179169cf8af691ccc63434d Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:34:00 -0700
Subject: [PATCH 1188/3638] Staging: iio: industrialio-trigger.c: minor fixups

We needed to include a header file that declared the functions that are
being exported in this file.

Also fix up an indentation problem, and some sparse warnings.

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/industrialio-trigger.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c
index 46bd94ab7d9..5682e61600f 100644
--- a/drivers/staging/iio/industrialio-trigger.c
+++ b/drivers/staging/iio/industrialio-trigger.c
@@ -18,6 +18,7 @@
 
 #include "iio.h"
 #include "trigger.h"
+#include "trigger_consumer.h"
 
 /* RFC - Question of approach
  * Make the common case (single sensor single trigger)
@@ -92,9 +93,9 @@ idr_again:
  **/
 static void iio_trigger_unregister_id(struct iio_trigger *trig_info)
 {
-		spin_lock(&iio_trigger_idr_lock);
-		idr_remove(&iio_trigger_idr, trig_info->id);
-		spin_unlock(&iio_trigger_idr_lock);
+	spin_lock(&iio_trigger_idr_lock);
+	idr_remove(&iio_trigger_idr, trig_info->id);
+	spin_unlock(&iio_trigger_idr_lock);
 }
 
 int iio_trigger_register(struct iio_trigger *trig_info)
@@ -334,9 +335,9 @@ static ssize_t iio_trigger_write_current(struct device *dev,
 	return len;
 }
 
-DEVICE_ATTR(current_trigger, S_IRUGO | S_IWUSR,
-	    iio_trigger_read_current,
-	    iio_trigger_write_current);
+static DEVICE_ATTR(current_trigger, S_IRUGO | S_IWUSR,
+		   iio_trigger_read_current,
+		   iio_trigger_write_current);
 
 static struct attribute *iio_trigger_consumer_attrs[] = {
 	&dev_attr_current_trigger.attr,

From 1e18c0d5b41ff2b482f1b5178da4f69d3223261c Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 4 May 2010 22:45:08 -0700
Subject: [PATCH 1189/3638] Staging: line6: driver: fix up sparse warnings

minor stuff.

Cc: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/line6/driver.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c
index 258555417bc..1d5a4730276 100644
--- a/drivers/staging/line6/driver.c
+++ b/drivers/staging/line6/driver.c
@@ -399,7 +399,7 @@ static void line6_data_received(struct urb *urb)
 static int line6_send(struct usb_line6 *line6, unsigned char *buf, size_t len)
 {
 	int retval;
-	unsigned int partial;
+	int partial;
 
 #if DO_DUMP_URB_SEND
 	line6_write_hexdump(line6, 'S', buf, len);
@@ -684,11 +684,11 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
 
 	/* check vendor and product id */
 	for (devtype = ARRAY_SIZE(line6_id_table) - 1; devtype--;) {
-		u16 vendor = le16_to_cpu(usbdev->descriptor.idVendor);
-		u16 product = le16_to_cpu(usbdev->descriptor.idProduct);
+		u16 idVendor = le16_to_cpu(usbdev->descriptor.idVendor);
+		u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct);
 
-		if (vendor == line6_id_table[devtype].idVendor
-		     && product == line6_id_table[devtype].idProduct)
+		if (idVendor == line6_id_table[devtype].idVendor
+		     && idProduct == line6_id_table[devtype].idProduct)
 			break;
 	}
 

From c5efe58b83bc5c1d5811800faf03b1089d1ef054 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 09:10:31 -0700
Subject: [PATCH 1190/3638] Staging: comedi: 8255: fix up previous static
 markings.

Ian pointed out that exported symbols should not be marked as static :)

Fixed this up by properly including the 8255.h file, and fixing
the function prototypes there, as the CONFIG variables were not getting
set so users of the header file were seeing the incorrect function
prototypes.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/8255.c | 22 ++++++++++------------
 drivers/staging/comedi/drivers/8255.h | 22 ----------------------
 2 files changed, 10 insertions(+), 34 deletions(-)

diff --git a/drivers/staging/comedi/drivers/8255.c b/drivers/staging/comedi/drivers/8255.c
index e777ddfc8af..b2e80dd5c26 100644
--- a/drivers/staging/comedi/drivers/8255.c
+++ b/drivers/staging/comedi/drivers/8255.c
@@ -82,6 +82,7 @@ I/O port base address can be found in the output of 'lspci -v'.
 
 #include <linux/ioport.h>
 #include <linux/slab.h>
+#include "8255.h"
 
 #define _8255_SIZE 4
 
@@ -120,8 +121,8 @@ COMEDI_INITCLEANUP(driver_8255);
 
 static void do_config(struct comedi_device *dev, struct comedi_subdevice *s);
 
-static void subdev_8255_interrupt(struct comedi_device *dev,
-				  struct comedi_subdevice *s)
+void subdev_8255_interrupt(struct comedi_device *dev,
+			   struct comedi_subdevice *s)
 {
 	short d;
 
@@ -319,10 +320,9 @@ static int subdev_8255_cancel(struct comedi_device *dev,
 	return 0;
 }
 
-static int subdev_8255_init(struct comedi_device *dev,
-			    struct comedi_subdevice *s,
-			    int (*cb) (int, int, int, unsigned long),
-			    unsigned long arg)
+int subdev_8255_init(struct comedi_device *dev, struct comedi_subdevice *s,
+		     int (*cb) (int, int, int, unsigned long),
+		     unsigned long arg)
 {
 	s->type = COMEDI_SUBD_DIO;
 	s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@@ -350,10 +350,9 @@ static int subdev_8255_init(struct comedi_device *dev,
 }
 EXPORT_SYMBOL(subdev_8255_init);
 
-static int subdev_8255_init_irq(struct comedi_device *dev,
-				struct comedi_subdevice *s,
-				int (*cb) (int, int, int, unsigned long),
-				unsigned long arg)
+int subdev_8255_init_irq(struct comedi_device *dev, struct comedi_subdevice *s,
+			 int (*cb) (int, int, int, unsigned long),
+			 unsigned long arg)
 {
 	int ret;
 
@@ -371,8 +370,7 @@ static int subdev_8255_init_irq(struct comedi_device *dev,
 }
 EXPORT_SYMBOL(subdev_8255_init_irq);
 
-static void subdev_8255_cleanup(struct comedi_device *dev,
-				struct comedi_subdevice *s)
+void subdev_8255_cleanup(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 	if (s->private) {
 		/* this test does nothing, so comment it out
diff --git a/drivers/staging/comedi/drivers/8255.h b/drivers/staging/comedi/drivers/8255.h
index 02c5a361b1a..b6314c9b7ea 100644
--- a/drivers/staging/comedi/drivers/8255.h
+++ b/drivers/staging/comedi/drivers/8255.h
@@ -26,8 +26,6 @@
 
 #include "../comedidev.h"
 
-#if defined(CONFIG_COMEDI_8255) || defined(CONFIG_COMEDI_8255_MODULE)
-
 int subdev_8255_init(struct comedi_device *dev, struct comedi_subdevice *s,
 		     int (*cb) (int, int, int, unsigned long),
 		     unsigned long arg);
@@ -38,24 +36,4 @@ void subdev_8255_cleanup(struct comedi_device *dev, struct comedi_subdevice *s);
 void subdev_8255_interrupt(struct comedi_device *dev,
 			   struct comedi_subdevice *s);
 
-#else
-
-static inline int subdev_8255_init(struct comedi_device *dev,
-				   struct comedi_subdevice *s, void *x,
-				   unsigned long y)
-{
-	printk("8255 support not configured -- disabling subdevice\n");
-
-	s->type = COMEDI_SUBD_UNUSED;
-
-	return 0;
-}
-
-static inline void subdev_8255_cleanup(struct comedi_device *dev,
-				       struct comedi_subdevice *s)
-{
-}
-
-#endif
-
 #endif

From 318a5b2a505fe7a99f0d89889e7a84d57ec49b15 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 09:12:13 -0700
Subject: [PATCH 1191/3638] Staging: comedi: cb_pcidas64: fix up build warnings

Now that the 8255.h file is being included properly, we were
using the incorrect function prototypes, which causes a build
warning now.  This fixes it up and preserves the __iomem markings that
sparse wants to see.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/cb_pcidas64.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 3443fc1b918..79aa286e9bb 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -1183,8 +1183,8 @@ static int ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
 static irqreturn_t handle_interrupt(int irq, void *d);
 static int ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
 static int ao_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
-static int dio_callback(int dir, int port, int data, void __iomem *base);
-static int dio_callback_4020(int dir, int port, int data, void __iomem *base);
+static int dio_callback(int dir, int port, int data, unsigned long arg);
+static int dio_callback_4020(int dir, int port, int data, unsigned long arg);
 static int di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
 		    struct comedi_insn *insn, unsigned int *data);
 static int do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
@@ -3658,8 +3658,9 @@ static int ao_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 	return 0;
 }
 
-static int dio_callback(int dir, int port, int data, void __iomem *iobase)
+static int dio_callback(int dir, int port, int data, unsigned long arg)
 {
+	void __iomem *iobase = (void __iomem *)arg;
 	if (dir) {
 		writeb(data, iobase + port);
 		DEBUG_PRINT("wrote 0x%x to port %i\n", data, port);
@@ -3669,8 +3670,9 @@ static int dio_callback(int dir, int port, int data, void __iomem *iobase)
 	}
 }
 
-static int dio_callback_4020(int dir, int port, int data, void __iomem *iobase)
+static int dio_callback_4020(int dir, int port, int data, unsigned long arg)
 {
+	void __iomem *iobase = (void __iomem *)arg;
 	if (dir) {
 		writew(data, iobase + 2 * port);
 		return 0;

From dde27e03cc964526531fdf2bd58c1e4ee4525074 Mon Sep 17 00:00:00 2001
From: "wzt.wzt@gmail.com" <wzt.wzt@gmail.com>
Date: Wed, 5 May 2010 14:56:52 +0800
Subject: [PATCH 1192/3638] Staging: rtl8192u: Check kmalloc return value
 before use the buffer in ieee80211_softmac.c

Check kmalloc return value before use the buffer.

Signed-off-by: Zhitong Wang <zhitong.wangzt@alibaba-inc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index 148424a9ac1..e5e583ed119 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -1580,6 +1580,8 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
 		if(*(t++) == MFIE_TYPE_CHALLENGE){
 			*chlen = *(t++);
 			*challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC);
+			if (!*challenge)
+				return -ENOMEM;
 			memcpy(*challenge, t, *chlen);
 		}
 	}

From 40447df803971a8663a7d5f96c8a19160dfd1776 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20H=C3=BCwe?= <PeterHuewe@gmx.de>
Date: Wed, 5 May 2010 14:21:14 +0200
Subject: [PATCH 1193/3638] Staging: cxt1e1: fix up one remaining THIS_MODULE
 usage

Copied from original Patch by Randy Dunlap

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/cxt1e1/hwprobe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/cxt1e1/hwprobe.c b/drivers/staging/cxt1e1/hwprobe.c
index 8d4e8d28af5..4c8610293fc 100644
--- a/drivers/staging/cxt1e1/hwprobe.c
+++ b/drivers/staging/cxt1e1/hwprobe.c
@@ -283,7 +283,7 @@ c4_hdw_init (struct pci_dev * pdev, int found)
          */
         char       *cp = hi->devname;
 
-        strcpy (cp, THIS_MODULE->name);
+        strcpy (cp, KBUILD_MODNAME);
         cp += strlen (cp);          /* reposition */
         *cp++ = '-';
         *cp++ = '0' + (found / 2);  /* there are two found interfaces per

From d16e1834af457fdce62714e5207c259400e274f4 Mon Sep 17 00:00:00 2001
From: "Prashant P. Shah" <pshah.mumbai@gmail.com>
Date: Wed, 5 May 2010 19:46:28 +0530
Subject: [PATCH 1194/3638] Staging: arlan: fixed unnecessary whitespace style
 issue in arlan-main.c

This is a patch to the arlan-main.c file that fixes the unnecessary whitespace
issues found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/arlan/arlan-main.c | 92 +++++++++++++++---------------
 1 file changed, 46 insertions(+), 46 deletions(-)

diff --git a/drivers/staging/arlan/arlan-main.c b/drivers/staging/arlan/arlan-main.c
index 58deb96e1a3..301b979d043 100644
--- a/drivers/staging/arlan/arlan-main.c
+++ b/drivers/staging/arlan/arlan-main.c
@@ -76,18 +76,18 @@ MODULE_PARM_DESC(entry_and_exit_debug, "Arlan driver function entry and exit deb
 struct arlan_conf_stru arlan_conf[MAX_ARLANS];
 static int arlans_found;
 
-static  int 	arlan_open(struct net_device *dev);
-static  netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev);
-static  irqreturn_t arlan_interrupt(int irq, void *dev_id);
-static  int 	arlan_close(struct net_device *dev);
-static  struct net_device_stats *arlan_statistics(struct net_device *dev);
-static  void 	arlan_set_multicast(struct net_device *dev);
-static  int 	arlan_hw_tx(struct net_device *dev, char *buf, int length);
-static  int	arlan_hw_config(struct net_device *dev);
-static  void 	arlan_tx_done_interrupt(struct net_device *dev, int status);
-static  void	arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short, u_short);
-static  void	arlan_process_interrupt(struct net_device *dev);
-static	void	arlan_tx_timeout(struct net_device *dev);
+static int	arlan_open(struct net_device *dev);
+static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev);
+static irqreturn_t arlan_interrupt(int irq, void *dev_id);
+static int	arlan_close(struct net_device *dev);
+static struct net_device_stats *arlan_statistics(struct net_device *dev);
+static void	arlan_set_multicast(struct net_device *dev);
+static int	arlan_hw_tx(struct net_device *dev, char *buf, int length);
+static int	arlan_hw_config(struct net_device *dev);
+static void	arlan_tx_done_interrupt(struct net_device *dev, int status);
+static void	arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short, u_short);
+static void	arlan_process_interrupt(struct net_device *dev);
+static void	arlan_tx_timeout(struct net_device *dev);
 
 static inline long us2ticks(int us)
 {
@@ -155,7 +155,7 @@ int arlan_command(struct net_device *dev, int command_p)
 		priv->card_polling_interval = 1;
 
 	if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
-		printk(KERN_DEBUG "arlan_command, %lx commandByte %x waiting %lx incoming %x \n",
+		printk(KERN_DEBUG "arlan_command, %lx commandByte %x waiting %lx incoming %x\n",
 		jiffies, READSHMB(arlan->commandByte),
 		       priv->waiting_command_mask, command_p);
 
@@ -193,13 +193,13 @@ int arlan_command(struct net_device *dev, int command_p)
 
 			if (priv->waiting_command_mask & ARLAN_COMMAND_LONG_WAIT_NOW) {
 				if (udelayed * 40 > 1000000) {
-					printk(KERN_ERR "%s long wait too long \n", dev->name);
+					printk(KERN_ERR "%s long wait too long\n", dev->name);
 					priv->waiting_command_mask |= ARLAN_COMMAND_RESET;
 					break;
 				}
 			} else if (priv->waiting_command_mask & ARLAN_COMMAND_WAIT_NOW) {
 				if (udelayed * 40 > 1000) {
-					printk(KERN_ERR "%s short wait too long \n", dev->name);
+					printk(KERN_ERR "%s short wait too long\n", dev->name);
 					goto bad_end;
 				}
 			}
@@ -258,7 +258,7 @@ int arlan_command(struct net_device *dev, int command_p)
 
 		arlan_drop_tx(dev);
 		if (priv->tx_command_given || priv->rx_command_given)
-			printk(KERN_ERR "%s: Reset under tx or rx command \n", dev->name);
+			printk(KERN_ERR "%s: Reset under tx or rx command\n", dev->name);
 
 		netif_stop_queue(dev);
 		if (arlan_debug & ARLAN_DEBUG_RESET)
@@ -290,7 +290,7 @@ int arlan_command(struct net_device *dev, int command_p)
 		priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_RENABLE;
 	} else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF) {
 		if (priv->tx_command_given || priv->rx_command_given)
-			printk(KERN_ERR "%s: Reset under tx or rx command \n", dev->name);
+			printk(KERN_ERR "%s: Reset under tx or rx command\n", dev->name);
 
 		arlan_drop_tx(dev);
 		setInterruptEnable(dev);
@@ -313,7 +313,7 @@ int arlan_command(struct net_device *dev, int command_p)
 		} else {
 			priv->card_polling_interval = 1;
 			if (arlan_debug & ARLAN_DEBUG_TIMING)
-				printk(KERN_ERR "configure delayed \n");
+				printk(KERN_ERR "configure delayed\n");
 		}
 	} else if (priv->waiting_command_mask & ARLAN_COMMAND_RX) {
 		if (!registrationBad(dev)) {
@@ -354,7 +354,7 @@ int arlan_command(struct net_device *dev, int command_p)
 				priv->card_polling_interval = 1;
 			}
 		} else if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
-			printk(KERN_ERR "tx command when tx chain locked \n");
+			printk(KERN_ERR "tx command when tx chain locked\n");
 	} else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOPINT) {
 		{
 			WRITESHMB(arlan->commandByte, ARLAN_COM_NOP | ARLAN_COM_INT);
@@ -396,13 +396,13 @@ card_busy_end:
 		priv->waiting_command_mask |= ARLAN_COMMAND_CLEAN_AND_RESET;
 
 	if (arlan_debug & ARLAN_DEBUG_CARD_STATE)
-		printk(KERN_ERR "%s arlan_command card busy end \n", dev->name);
+		printk(KERN_ERR "%s arlan_command card busy end\n", dev->name);
 	spin_unlock_irqrestore(&priv->lock, flags);
 	ARLAN_DEBUG_EXIT("arlan_command");
 	return 1;
 
 bad_end:
-	printk(KERN_ERR "%s arlan_command bad end \n", dev->name);
+	printk(KERN_ERR "%s arlan_command bad end\n", dev->name);
 
 	spin_unlock_irqrestore(&priv->lock, flags);
 	ARLAN_DEBUG_EXIT("arlan_command");
@@ -438,9 +438,9 @@ static inline void arlan_retransmit_now(struct net_device *dev)
 	if (TXLAST(dev).offset == 0) {
 		if (TXHEAD(dev).offset) {
 			priv->txLast = 0;
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to head \n");
+			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to head\n");
 		} else if (TXTAIL(dev).offset) {
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to tail \n");
+			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to tail\n");
 			priv->txLast = 1;
 		} else
 			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_ERR "ReTransmit buff empty");
@@ -452,7 +452,7 @@ static inline void arlan_retransmit_now(struct net_device *dev)
 	priv->Conf->driverRetransmissions++;
 	priv->retransmissions++;
 
-	IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk("Retransmit %d bytes \n", TXLAST(dev).length);
+	IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk("Retransmit %d bytes\n", TXLAST(dev).length);
 
 	ARLAN_DEBUG_EXIT("arlan_retransmit_now");
 }
@@ -471,7 +471,7 @@ static void arlan_registration_timer(unsigned long data)
 	if (registrationBad(dev)) {
 		priv->registrationLostCount++;
 		if (lostTime > 7000 && lostTime < 7200)
-			printk(KERN_NOTICE "%s registration Lost \n", dev->name);
+			printk(KERN_NOTICE "%s registration Lost\n", dev->name);
 
 		if (lostTime / priv->reRegisterExp > 2000)
 			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_CONF);
@@ -504,7 +504,7 @@ static void arlan_registration_timer(unsigned long data)
 
 	if (!registrationBad(dev) && priv->ReTransmitRequested) {
 		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk(KERN_ERR "Retransmit from timer \n");
+			printk(KERN_ERR "Retransmit from timer\n");
 		priv->ReTransmitRequested = 0;
 		arlan_retransmit_now(dev);
 	}
@@ -650,7 +650,7 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
 		netif_start_queue(dev);
 
 	IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
-		printk(KERN_WARNING "%s Transmit t %2x:%2x:%2x:%2x:%2x:%2x f %2x:%2x:%2x:%2x:%2x:%2x \n", dev->name,
+		printk(KERN_WARNING "%s Transmit t %2x:%2x:%2x:%2x:%2x:%2x f %2x:%2x:%2x:%2x:%2x:%2x\n", dev->name,
 		   (unsigned char) buf[0], (unsigned char) buf[1], (unsigned char) buf[2], (unsigned char) buf[3],
 		   (unsigned char) buf[4], (unsigned char) buf[5], (unsigned char) buf[6], (unsigned char) buf[7],
 		   (unsigned char) buf[8], (unsigned char) buf[9], (unsigned char) buf[10], (unsigned char) buf[11]);
@@ -661,7 +661,7 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
 
 	priv->tx_last_sent = jiffies;
 
-	IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk("%s TX Qued %d bytes \n", dev->name, length);
+	IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk("%s TX Qued %d bytes\n", dev->name, length);
 
 	ARLAN_DEBUG_EXIT("arlan_hw_tx");
 
@@ -677,9 +677,9 @@ static int arlan_hw_config(struct net_device *dev)
 
 	ARLAN_DEBUG_ENTRY("arlan_hw_config");
 
-	printk(KERN_NOTICE "%s arlan configure called \n", dev->name);
+	printk(KERN_NOTICE "%s arlan configure called\n", dev->name);
 	if (arlan_EEPROM_bad)
-		printk(KERN_NOTICE "arlan configure with eeprom bad option \n");
+		printk(KERN_NOTICE "arlan configure with eeprom bad option\n");
 
 
 	WRITESHM(arlan->spreadingCode, conf->spreadingCode, u_char);
@@ -841,7 +841,7 @@ static int arlan_read_card_configuration(struct net_device *dev)
 	READSHM(tlx415, arlan->configStatus, u_char);
 
 	if (tlx415 != 0xA5)
-		printk(KERN_INFO "%s tlx415 chip \n", dev->name);
+		printk(KERN_INFO "%s tlx415 chip\n", dev->name);
 
 	conf->txClear = 0;
 	conf->txRetries = 1;
@@ -885,7 +885,7 @@ static int __init arlan_check_fingerprint(unsigned long memaddr)
 	ARLAN_DEBUG_ENTRY("arlan_check_fingerprint");
 
 	if (!request_mem_region(paddr, ARLAN_SHMEM_SIZE, "arlan")) {
-		/* printk(KERN_WARNING "arlan: memory region %lx excluded from probing \n",paddr); */
+		/* printk(KERN_WARNING "arlan: memory region %lx excluded from probing\n",paddr); */
 		return -ENODEV;
 	}
 
@@ -898,7 +898,7 @@ static int __init arlan_check_fingerprint(unsigned long memaddr)
 		return -ENODEV;
 	}
 
-	/* printk(KERN_INFO "arlan found at 0x%x \n",memaddr); */
+	/* printk(KERN_INFO "arlan found at 0x%x\n",memaddr); */
 	ARLAN_DEBUG_EXIT("arlan_check_fingerprint");
 
 	return 0;
@@ -919,7 +919,7 @@ static int arlan_change_mtu(struct net_device *dev, int new_mtu)
 	conf->maxFrameSize = new_mtu + 48;
 
 	arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_CONF);
-	printk(KERN_NOTICE "%s mtu changed to %d \n", dev->name, new_mtu);
+	printk(KERN_NOTICE "%s mtu changed to %d\n", dev->name, new_mtu);
 
 	ARLAN_DEBUG_EXIT("arlan_change_mtu");
 
@@ -997,7 +997,7 @@ static int __init arlan_probe_here(struct net_device *dev,
 	if (arlan_check_fingerprint(memaddr))
 		return -ENODEV;
 
-	printk(KERN_NOTICE "%s: Arlan found at %llx, \n ", dev->name,
+	printk(KERN_NOTICE "%s: Arlan found at %llx,\n ", dev->name,
 	       (u64) virt_to_phys((void *)memaddr));
 
 	ap->card = (void *) memaddr;
@@ -1090,7 +1090,7 @@ static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev)
 	buf = skb->data;
 
 	if (length + 0x12 > 0x800) {
-		printk(KERN_ERR "TX RING overflow \n");
+		printk(KERN_ERR "TX RING overflow\n");
 		netif_stop_queue(dev);
 	}
 
@@ -1313,7 +1313,7 @@ static void arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short
 	/* prohibited here              arlan_command(dev, ARLAN_COMMAND_RX); */
 
 	if (pkt_len < 10 || pkt_len > 2048) {
-		printk(KERN_WARNING "%s: got too short or long packet, len %d \n", dev->name, pkt_len);
+		printk(KERN_WARNING "%s: got too short or long packet, len %d\n", dev->name, pkt_len);
 		return;
 	}
 	if (rxOffset + pkt_len > 0x2000) {
@@ -1345,8 +1345,8 @@ static void arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short
 		struct sk_buff *skb;
 
 		DEBUGSHM(50, "arlan recv pkt offs=%d\n", arlan->rxOffset, u_short);
-		DEBUGSHM(1, "arlan rxFrmType = %d \n", arlan->rxFrmType, u_char);
-		DEBUGSHM(1, KERN_INFO "arlan rx scrambled = %d \n", arlan->scrambled, u_char);
+		DEBUGSHM(1, "arlan rxFrmType = %d\n", arlan->rxFrmType, u_char);
+		DEBUGSHM(1, KERN_INFO "arlan rx scrambled = %d\n", arlan->scrambled, u_char);
 
 		/* here we do multicast filtering to avoid slow 8-bit memcopy */
 #ifdef ARLAN_MULTICAST
@@ -1361,9 +1361,9 @@ static void arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short
 			if (hw_dst_addr[0] == 0x01) {
 				if (mdebug)
 					if (hw_dst_addr[1] == 0x00)
-						printk(KERN_ERR "%s mcast 0x0100 \n", dev->name);
+						printk(KERN_ERR "%s mcast 0x0100\n", dev->name);
 					else if (hw_dst_addr[1] == 0x40)
-						printk(KERN_ERR "%s m/bcast 0x0140 \n", dev->name);
+						printk(KERN_ERR "%s m/bcast 0x0140\n", dev->name);
 				netdev_for_each_mc_entry(dmi, dev) {
 					if (arlan_debug & ARLAN_DEBUG_HEADER_DUMP)
 						printk(KERN_ERR "%s mcl %pM\n",
@@ -1417,7 +1417,7 @@ static void arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short
 				for (i = 0; i <= 22; i++)
 					printk("%02x:", (u_char) skbtmp[i + 12]);
 				printk(KERN_ERR "\n");
-				printk(KERN_WARNING "arlan kernel pkt type trans %x \n", skb->protocol);
+				printk(KERN_WARNING "arlan kernel pkt type trans %x\n", skb->protocol);
 			}
 		netif_rx(skb);
 		dev->stats.rx_packets++;
@@ -1447,7 +1447,7 @@ static void arlan_process_interrupt(struct net_device *dev)
 
 	if (test_and_set_bit(0, (void *) &priv->interrupt_processing_active)) {
 		if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
-			printk(KERN_ERR "interrupt chain reentering \n");
+			printk(KERN_ERR "interrupt chain reentering\n");
 		goto end_int_process;
 	}
 	while ((rxStatus || txStatus || priv->interrupt_ack_requested)
@@ -1459,7 +1459,7 @@ static void arlan_process_interrupt(struct net_device *dev)
 		arlan_command(dev, ARLAN_COMMAND_INT_ENABLE);
 
 		IFDEBUG(ARLAN_DEBUG_INTERRUPT)
-			printk(KERN_ERR "%s:  got IRQ rx %x tx %x comm %x rxOff %x rxLen %x \n",
+			printk(KERN_ERR "%s:  got IRQ rx %x tx %x comm %x rxOff %x rxLen %x\n",
 					dev->name, rxStatus, txStatus, READSHMB(arlan->commandByte),
 					rxOffset, pkt_len);
 
@@ -1470,7 +1470,7 @@ static void arlan_process_interrupt(struct net_device *dev)
 										    dev->name, txStatus, rxStatus);
 			} else {
 				IFDEBUG(ARLAN_DEBUG_INTERRUPT)
-					printk(KERN_INFO "%s irq $%d test OK \n", dev->name, dev->irq);
+					printk(KERN_INFO "%s irq $%d test OK\n", dev->name, dev->irq);
 
 			}
 			priv->interrupt_ack_requested = 0;
@@ -1693,7 +1693,7 @@ struct net_device * __init arlan_probe(int unit)
 	}
 
 	if (lastFoundAt == 0xbe000)
-		printk(KERN_ERR "arlan: No Arlan devices found \n");
+		printk(KERN_ERR "arlan: No Arlan devices found\n");
 
  not_found:
 	free_netdev(dev);

From fa10b25f8d13050c2e40ebf3fbfb5af587b6f914 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Tue, 4 May 2010 20:40:09 -0300
Subject: [PATCH 1195/3638] Staging: vt6656: removed SUCCESS define as it is
 not used

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/ttype.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index a773e58c230..53a50ad4e28 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -64,11 +64,6 @@ typedef int             BOOL;
 #define FALSE           0
 #endif
 
-
-#if !defined(SUCCESS)
-#define SUCCESS         0
-#endif
-
 //2007-0809-01<Add>by MikeLiu
 #ifndef  update_BssList
 #define update_BssList

From 6f8c13c7dbe0d51e62bdb1aa11c1c38a8f8e3133 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Tue, 4 May 2010 20:40:10 -0300
Subject: [PATCH 1196/3638] Staging: vt6656: code cleanup, removed OUT
 definition

Remoted empty OUT define in ttype.h and its usage across the code.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/baseband.c |  6 ++---
 drivers/staging/vt6656/baseband.h |  6 ++---
 drivers/staging/vt6656/bssdb.c    |  4 ++--
 drivers/staging/vt6656/bssdb.h    |  4 ++--
 drivers/staging/vt6656/card.c     |  4 ++--
 drivers/staging/vt6656/channel.c  |  2 +-
 drivers/staging/vt6656/channel.h  |  2 +-
 drivers/staging/vt6656/datarate.c | 10 ++++----
 drivers/staging/vt6656/datarate.h | 10 ++++----
 drivers/staging/vt6656/dpc.c      | 40 +++++++++++++++----------------
 drivers/staging/vt6656/key.c      | 21 ++++------------
 drivers/staging/vt6656/key.h      | 21 ++++------------
 drivers/staging/vt6656/rxtx.c     |  8 +++----
 drivers/staging/vt6656/rxtx.h     |  4 ++--
 drivers/staging/vt6656/ttype.h    |  4 ----
 drivers/staging/vt6656/usbpipe.c  |  2 +-
 drivers/staging/vt6656/usbpipe.h  |  2 +-
 drivers/staging/vt6656/wmgr.c     | 26 ++++++++++----------
 drivers/staging/vt6656/wmgr.h     | 16 ++++++-------
 drivers/staging/vt6656/wpa2.c     |  2 +-
 drivers/staging/vt6656/wpa2.h     |  2 +-
 21 files changed, 85 insertions(+), 111 deletions(-)

diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c
index a52a2d84805..d8154f366d5 100644
--- a/drivers/staging/vt6656/baseband.c
+++ b/drivers/staging/vt6656/baseband.c
@@ -762,9 +762,9 @@ BBvCaculateParameter (
       UINT cbFrameLength,
       WORD wRate,
       BYTE byPacketType,
-    OUT PWORD pwPhyLen,
-    OUT PBYTE pbyPhySrv,
-    OUT PBYTE pbyPhySgn
+     PWORD pwPhyLen,
+     PBYTE pbyPhySrv,
+     PBYTE pbyPhySgn
     )
 {
     UINT cbBitCount;
diff --git a/drivers/staging/vt6656/baseband.h b/drivers/staging/vt6656/baseband.h
index 9a1999b3302..d54d4150dd0 100644
--- a/drivers/staging/vt6656/baseband.h
+++ b/drivers/staging/vt6656/baseband.h
@@ -110,9 +110,9 @@ BBvCaculateParameter (
       UINT cbFrameLength,
       WORD wRate,
       BYTE byPacketType,
-    OUT PWORD pwPhyLen,
-    OUT PBYTE pbyPhySrv,
-    OUT PBYTE pbyPhySgn
+     PWORD pwPhyLen,
+     PBYTE pbyPhySrv,
+     PBYTE pbyPhySgn
     );
 
 // timer for antenna diversity
diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c
index 61841b48537..7cc0d9533f7 100644
--- a/drivers/staging/vt6656/bssdb.c
+++ b/drivers/staging/vt6656/bssdb.c
@@ -772,7 +772,7 @@ BOOL
 BSSbIsSTAInNodeDB(
      HANDLE hDeviceContext,
      PBYTE abyDstAddr,
-    OUT PUINT puNodeIndex
+     PUINT puNodeIndex
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -807,7 +807,7 @@ BSSbIsSTAInNodeDB(
 void
 BSSvCreateOneNode(
      HANDLE hDeviceContext,
-    OUT PUINT puNodeIndex
+     PUINT puNodeIndex
     )
 {
 
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index 2aaa9332894..48b34b51402 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -301,13 +301,13 @@ BOOL
 BSSbIsSTAInNodeDB(
      HANDLE hDeviceContext,
      PBYTE abyDstAddr,
-    OUT PUINT puNodeIndex
+     PUINT puNodeIndex
     );
 
 void
 BSSvCreateOneNode(
      HANDLE hDeviceContext,
-    OUT PUINT puNodeIndex
+     PUINT puNodeIndex
     );
 
 void
diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c
index c7562a0ad83..6baf8696254 100644
--- a/drivers/staging/vt6656/card.c
+++ b/drivers/staging/vt6656/card.c
@@ -224,8 +224,8 @@ void
 CARDvCaculateOFDMRParameter (
       WORD wRate,
       BYTE byBBType,
-    OUT PBYTE pbyTxRate,
-    OUT PBYTE pbyRsvTime
+     PBYTE pbyTxRate,
+     PBYTE pbyRsvTime
     )
 {
     switch (wRate) {
diff --git a/drivers/staging/vt6656/channel.c b/drivers/staging/vt6656/channel.c
index 67392b8abcf..06a213f3f4d 100644
--- a/drivers/staging/vt6656/channel.c
+++ b/drivers/staging/vt6656/channel.c
@@ -426,7 +426,7 @@ exit:
 BOOL
 CHvChannelGetList (
       UINT       uCountryCodeIdx,
-    OUT PBYTE      pbyChannelTable
+     PBYTE      pbyChannelTable
     )
 {
     if (uCountryCodeIdx >= CCODE_MAX) {
diff --git a/drivers/staging/vt6656/channel.h b/drivers/staging/vt6656/channel.h
index 81b915dc5c4..26d12a0c6db 100644
--- a/drivers/staging/vt6656/channel.h
+++ b/drivers/staging/vt6656/channel.h
@@ -51,7 +51,7 @@ BYTE    CHbyGetChannelMapping(BYTE byChannelNumber);
 BOOL
 CHvChannelGetList (
       UINT       uCountryCodeIdx,
-    OUT PBYTE      pbyChannelTable
+     PBYTE      pbyChannelTable
     );
 
 #endif  /* _REGULATE_H_ */
diff --git a/drivers/staging/vt6656/datarate.c b/drivers/staging/vt6656/datarate.c
index 348e1ebfe4c..4d2880b8d83 100644
--- a/drivers/staging/vt6656/datarate.c
+++ b/drivers/staging/vt6656/datarate.c
@@ -193,11 +193,11 @@ void RATEvParseMaxRate(
      PWLAN_IE_SUPP_RATES pItemRates,
      PWLAN_IE_SUPP_RATES pItemExtRates,
      BOOL bUpdateBasicRate,
-    OUT PWORD pwMaxBasicRate,
-    OUT PWORD pwMaxSuppRate,
-    OUT PWORD pwSuppRate,
-    OUT PBYTE pbyTopCCKRate,
-    OUT PBYTE pbyTopOFDMRate
+     PWORD pwMaxBasicRate,
+     PWORD pwMaxSuppRate,
+     PWORD pwSuppRate,
+     PBYTE pbyTopCCKRate,
+     PBYTE pbyTopOFDMRate
     )
 {
 PSDevice  pDevice = (PSDevice) pDeviceHandler;
diff --git a/drivers/staging/vt6656/datarate.h b/drivers/staging/vt6656/datarate.h
index ae37eb63cad..7d73a3a53be 100644
--- a/drivers/staging/vt6656/datarate.h
+++ b/drivers/staging/vt6656/datarate.h
@@ -75,11 +75,11 @@ RATEvParseMaxRate(
      PWLAN_IE_SUPP_RATES pItemRates,
      PWLAN_IE_SUPP_RATES pItemExtRates,
      BOOL bUpdateBasicRate,
-    OUT PWORD pwMaxBasicRate,
-    OUT PWORD pwMaxSuppRate,
-    OUT PWORD pwSuppRate,
-    OUT PBYTE pbyTopCCKRate,
-    OUT PBYTE pbyTopOFDMRate
+     PWORD pwMaxBasicRate,
+     PWORD pwMaxSuppRate,
+     PWORD pwSuppRate,
+     PBYTE pbyTopCCKRate,
+     PBYTE pbyTopOFDMRate
     );
 
 void
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index 75be9708b6c..b18427b3916 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -80,8 +80,8 @@ static
 void
 s_vGetDASA(
       PBYTE pbyRxBufferAddr,
-    OUT PUINT pcbHeaderSize,
-    OUT PSEthernetHeader psEthHeader
+     PUINT pcbHeaderSize,
+     PSEthernetHeader psEthHeader
     );
 
 static
@@ -92,7 +92,7 @@ s_vProcessRxMACHeader (
       UINT cbPacketSize,
       BOOL bIsWEP,
       BOOL bExtIV,
-    OUT PUINT pcbHeadSize
+     PUINT pcbHeadSize
     );
 
 static BOOL s_bAPModeRxCtl(
@@ -118,11 +118,11 @@ static BOOL s_bHandleRxEncryption(
      PBYTE        pbyFrame,
      UINT         FrameSize,
      PBYTE        pbyRsr,
-    OUT PBYTE       pbyNewRsr,
-    OUT PSKeyItem   *pKeyOut,
+     PBYTE       pbyNewRsr,
+     PSKeyItem   * pKeyOut,
     int *       pbExtIV,
-    OUT PWORD       pwRxTSC15_0,
-    OUT PDWORD      pdwRxTSC47_16
+     PWORD       pwRxTSC15_0,
+     PDWORD      pdwRxTSC47_16
     );
 
 static BOOL s_bHostWepRxEncryption(
@@ -133,10 +133,10 @@ static BOOL s_bHostWepRxEncryption(
      PBYTE        pbyRsr,
      BOOL         bOnFly,
      PSKeyItem    pKey,
-    OUT PBYTE       pbyNewRsr,
+     PBYTE       pbyNewRsr,
     int *       pbExtIV,
-    OUT PWORD       pwRxTSC15_0,
-    OUT PDWORD      pdwRxTSC47_16
+     PWORD       pwRxTSC15_0,
+     PDWORD      pdwRxTSC47_16
 
     );
 
@@ -167,7 +167,7 @@ s_vProcessRxMACHeader (
       UINT cbPacketSize,
       BOOL bIsWEP,
       BOOL bExtIV,
-    OUT PUINT pcbHeadSize
+     PUINT pcbHeadSize
     )
 {
     PBYTE           pbyRxBuffer;
@@ -262,8 +262,8 @@ static
 void
 s_vGetDASA (
       PBYTE pbyRxBufferAddr,
-    OUT PUINT pcbHeaderSize,
-    OUT PSEthernetHeader psEthHeader
+     PUINT pcbHeaderSize,
+     PSEthernetHeader psEthHeader
     )
 {
 	UINT            cbHeaderSize = 0;
@@ -1147,11 +1147,11 @@ static BOOL s_bHandleRxEncryption (
      PBYTE        pbyFrame,
      UINT         FrameSize,
      PBYTE        pbyRsr,
-    OUT PBYTE       pbyNewRsr,
-    OUT PSKeyItem   *pKeyOut,
+     PBYTE       pbyNewRsr,
+     PSKeyItem   * pKeyOut,
     int *       pbExtIV,
-    OUT PWORD       pwRxTSC15_0,
-    OUT PDWORD      pdwRxTSC47_16
+     PWORD       pwRxTSC15_0,
+     PDWORD      pdwRxTSC47_16
     )
 {
     UINT            PayloadLen = FrameSize;
@@ -1295,10 +1295,10 @@ static BOOL s_bHostWepRxEncryption (
      PBYTE        pbyRsr,
      BOOL         bOnFly,
      PSKeyItem    pKey,
-    OUT PBYTE       pbyNewRsr,
+     PBYTE       pbyNewRsr,
     int *       pbExtIV,
-    OUT PWORD       pwRxTSC15_0,
-    OUT PDWORD      pdwRxTSC47_16
+     PWORD       pwRxTSC15_0,
+     PDWORD      pdwRxTSC47_16
     )
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
index 338ec087f73..7ff420d07c1 100644
--- a/drivers/staging/vt6656/key.c
+++ b/drivers/staging/vt6656/key.c
@@ -164,12 +164,8 @@ void KeyvInitTable(void *pDeviceHandler, PSKeyManagement pTable)
  * Return Value: TRUE if found otherwise FALSE
  *
  */
-BOOL KeybGetKey (
-      PSKeyManagement pTable,
-      PBYTE           pbyBSSID,
-      DWORD           dwKeyIndex,
-    OUT PSKeyItem       *pKey
-    )
+BOOL KeybGetKey(PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyIndex,
+		PSKeyItem *pKey)
 {
     int i;
 
@@ -563,12 +559,8 @@ void KeyvRemoveAllWEPKey(
  * Return Value: TRUE if found otherwise FALSE
  *
  */
-BOOL KeybGetTransmitKey (
-      PSKeyManagement pTable,
-      PBYTE           pbyBSSID,
-      DWORD           dwKeyType,
-    OUT PSKeyItem       *pKey
-    )
+BOOL KeybGetTransmitKey(PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyType,
+			PSKeyItem *pKey)
 {
     int i, ii;
 
@@ -643,10 +635,7 @@ BOOL KeybGetTransmitKey (
  * Return Value: TRUE if found otherwise FALSE
  *
  */
-BOOL KeybCheckPairewiseKey (
-      PSKeyManagement pTable,
-    OUT PSKeyItem       *pKey
-    )
+BOOL KeybCheckPairewiseKey(PSKeyManagement pTable, PSKeyItem *pKey)
 {
     int i;
 
diff --git a/drivers/staging/vt6656/key.h b/drivers/staging/vt6656/key.h
index a10878200fa..11fc41edd09 100644
--- a/drivers/staging/vt6656/key.h
+++ b/drivers/staging/vt6656/key.h
@@ -99,12 +99,8 @@ typedef struct tagSKeyManagement
 
 void KeyvInitTable(void *pDeviceHandler, PSKeyManagement pTable);
 
-BOOL KeybGetKey(
-      PSKeyManagement pTable,
-      PBYTE           pbyBSSID,
-      DWORD           dwKeyIndex,
-    OUT PSKeyItem       *pKey
-    );
+BOOL KeybGetKey(PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyIndex,
+		PSKeyItem *pKey);
 
 BOOL KeybSetKey(
     void *pDeviceHandler,
@@ -141,17 +137,10 @@ void KeyvRemoveAllWEPKey(
     PSKeyManagement pTable
     );
 
-BOOL KeybGetTransmitKey(
-      PSKeyManagement pTable,
-      PBYTE           pbyBSSID,
-      DWORD           dwKeyType,
-    OUT PSKeyItem       *pKey
-    );
+BOOL KeybGetTransmitKey(PSKeyManagement pTable,	PBYTE pbyBSSID,	DWORD dwKeyType,
+			PSKeyItem *pKey);
 
-BOOL KeybCheckPairewiseKey(
-      PSKeyManagement pTable,
-    OUT PSKeyItem       *pKey
-    );
+BOOL KeybCheckPairewiseKey(PSKeyManagement pTable, PSKeyItem *pKey);
 
 BOOL KeybSetDefaultKey(
     void *pDeviceHandler,
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 9ddb7e1c254..b9f67882199 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -187,7 +187,7 @@ s_vFillTxKey(
       PSKeyItem  pTransmitKey,
       PBYTE      pbyHdrBuf,
       WORD       wPayloadLen,
-    OUT PBYTE      pMICHDR
+     PBYTE      pMICHDR
     );
 
 static
@@ -339,7 +339,7 @@ s_vFillTxKey (
       PSKeyItem  pTransmitKey,
       PBYTE      pbyHdrBuf,
       WORD       wPayloadLen,
-    OUT PBYTE      pMICHDR
+     PBYTE      pMICHDR
     )
 {
     PDWORD          pdwIV = (PDWORD) pbyIVHead;
@@ -1439,8 +1439,8 @@ s_bPacketToWirelessUsb(
       PSKeyItem        pTransmitKey,
       UINT             uNodeIndex,
       WORD             wCurrentRate,
-    OUT UINT             *pcbHeaderLen,
-    OUT UINT             *pcbTotalLen
+     UINT             *pcbHeaderLen,
+     UINT             *pcbTotalLen
     )
 {
     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h
index 026943058ac..64df4a3550d 100644
--- a/drivers/staging/vt6656/rxtx.h
+++ b/drivers/staging/vt6656/rxtx.h
@@ -678,8 +678,8 @@ bPacketToWirelessUsb(
       PSKeyItem        pTransmitKey,
       UINT             uNodeIndex,
       WORD             wCurrentRate,
-    OUT UINT             *pcbHeaderLen,
-    OUT UINT             *pcbTotalLen
+     UINT             *pcbHeaderLen,
+     UINT             *pcbTotalLen
     );
 
 void vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb);
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 53a50ad4e28..692b63e4dab 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -33,10 +33,6 @@
 
 /******* Common definitions and typedefs ***********************************/
 
-#ifndef OUT
-#define OUT
-#endif
-
 //2007-0115-05<Add>by MikeLiu
 #ifndef TxInSleep
 #define TxInSleep
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index 7c325728b83..ce71f18afd8 100644
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -229,7 +229,7 @@ PIPEnsControlIn(
      WORD         wValue,
      WORD         wIndex,
      WORD         wLength,
-     OUT  PBYTE   pbyBuffer
+       PBYTE   pbyBuffer
     )
 {
     NTSTATUS            ntStatus = 0;
diff --git a/drivers/staging/vt6656/usbpipe.h b/drivers/staging/vt6656/usbpipe.h
index ee86d3716dc..f852b39027a 100644
--- a/drivers/staging/vt6656/usbpipe.h
+++ b/drivers/staging/vt6656/usbpipe.h
@@ -70,7 +70,7 @@ PIPEnsControlIn(
      WORD         wValue,
      WORD         wIndex,
      WORD         wLength,
-     OUT  PBYTE   pbyBuffer
+       PBYTE   pbyBuffer
     );
 
 
diff --git a/drivers/staging/vt6656/wmgr.c b/drivers/staging/vt6656/wmgr.c
index 994022aa0d6..1824551bcc3 100644
--- a/drivers/staging/vt6656/wmgr.c
+++ b/drivers/staging/vt6656/wmgr.c
@@ -312,7 +312,7 @@ s_vMgrSynchBSS (
      PSDevice      pDevice,
      UINT          uBSSMode,
      PKnownBSS     pCurr,
-    OUT PCMD_STATUS  pStatus
+     PCMD_STATUS  pStatus
     );
 
 
@@ -320,8 +320,8 @@ static BOOL
 s_bCipherMatch (
      PKnownBSS                        pBSSNode,
      NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
-    OUT PBYTE                           pbyCCSPK,
-    OUT PBYTE                           pbyCCSGK
+     PBYTE                           pbyCCSPK,
+     PBYTE                           pbyCCSGK
     );
 
  static void  Encyption_Rebuild(
@@ -419,7 +419,7 @@ void
 vMgrAssocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     )
 {
     PSDevice             pDevice = (PSDevice)hDeviceContext;
@@ -495,7 +495,7 @@ void
 vMgrReAssocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     )
 {
     PSDevice             pDevice = (PSDevice)hDeviceContext;
@@ -576,7 +576,7 @@ vMgrDisassocBeginSta(
       PSMgmtObject pMgmt,
       PBYTE  abyDestAddress,
       WORD    wReason,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -1106,7 +1106,7 @@ void
 vMgrAuthenBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject  pMgmt,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -1166,7 +1166,7 @@ vMgrDeAuthenBeginSta(
       PSMgmtObject  pMgmt,
       PBYTE  abyDestAddress,
       WORD    wReason,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -2358,7 +2358,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 void
 vMgrCreateOwnIBSS(
       HANDLE hDeviceContext,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -2633,7 +2633,7 @@ vMgrCreateOwnIBSS(
 void
 vMgrJoinBSSBegin(
       HANDLE hDeviceContext,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     )
 {
 
@@ -2967,7 +2967,7 @@ s_vMgrSynchBSS (
      PSDevice      pDevice,
      UINT          uBSSMode,
      PKnownBSS     pCurr,
-    OUT PCMD_STATUS  pStatus
+     PCMD_STATUS  pStatus
     )
 {
     PSMgmtObject  pMgmt = &(pDevice->sMgmtObj);
@@ -4810,8 +4810,8 @@ static BOOL
 s_bCipherMatch (
      PKnownBSS                        pBSSNode,
      NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
-    OUT PBYTE                           pbyCCSPK,
-    OUT PBYTE                           pbyCCSGK
+     PBYTE                           pbyCCSPK,
+     PBYTE                           pbyCCSGK
     )
 {
     BYTE byMulticastCipher = KEY_CTL_INVALID;
diff --git a/drivers/staging/vt6656/wmgr.h b/drivers/staging/vt6656/wmgr.h
index 02ecec92bab..0eda12afd26 100644
--- a/drivers/staging/vt6656/wmgr.h
+++ b/drivers/staging/vt6656/wmgr.h
@@ -417,14 +417,14 @@ void
 vMgrAssocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     );
 
 void
 vMgrReAssocBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     );
 
 void
@@ -433,26 +433,26 @@ vMgrDisassocBeginSta(
       PSMgmtObject pMgmt,
       PBYTE  abyDestAddress,
       WORD    wReason,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     );
 
 void
 vMgrAuthenBeginSta(
       HANDLE hDeviceContext,
       PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     );
 
 void
 vMgrCreateOwnIBSS(
       HANDLE hDeviceContext,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     );
 
 void
 vMgrJoinBSSBegin(
       HANDLE hDeviceContext,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     );
 
 void
@@ -466,7 +466,7 @@ vMgrRxManagePacket(
 void
 vMgrScanBegin(
       HANDLE hDeviceContext,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     );
 */
 
@@ -476,7 +476,7 @@ vMgrDeAuthenBeginSta(
       PSMgmtObject  pMgmt,
       PBYTE   abyDestAddress,
       WORD    wReason,
-    OUT PCMD_STATUS pStatus
+     PCMD_STATUS pStatus
     );
 
 BOOL
diff --git a/drivers/staging/vt6656/wpa2.c b/drivers/staging/vt6656/wpa2.c
index 73bfb500d45..9bd6bf5bf37 100644
--- a/drivers/staging/vt6656/wpa2.c
+++ b/drivers/staging/vt6656/wpa2.c
@@ -262,7 +262,7 @@ WPA2vParseRSN (
 -*/
 UINT
 WPA2uSetIEs(void *pMgmtHandle,
-    OUT PWLAN_IE_RSN pRSNIEs
+     PWLAN_IE_RSN pRSNIEs
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtHandle;
diff --git a/drivers/staging/vt6656/wpa2.h b/drivers/staging/vt6656/wpa2.h
index 367aecee8b7..79305a79b9d 100644
--- a/drivers/staging/vt6656/wpa2.h
+++ b/drivers/staging/vt6656/wpa2.h
@@ -72,7 +72,7 @@ WPA2vParseRSN (
 UINT
 WPA2uSetIEs(
 	void *pMgmtHandle,
-    OUT PWLAN_IE_RSN pRSNIEs
+     PWLAN_IE_RSN pRSNIEs
     );
 
 #endif /* __WPA2_H__ */

From 6e1b4e24e6e4025b399159f3605bfa958464272a Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Tue, 4 May 2010 20:40:11 -0300
Subject: [PATCH 1197/3638] Staging: vt6656: code cleanup, resolved sparse
 finding

Cleared sparse warning 'Using plain integer as NULL pointer'

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/wmgr.c | 77 ++++++++++++++++++-----------------
 1 file changed, 40 insertions(+), 37 deletions(-)

diff --git a/drivers/staging/vt6656/wmgr.c b/drivers/staging/vt6656/wmgr.c
index 1824551bcc3..5af98e9a8f0 100644
--- a/drivers/staging/vt6656/wmgr.c
+++ b/drivers/staging/vt6656/wmgr.c
@@ -958,12 +958,12 @@ s_vMgrRxAssocResponse(
         sFrame.pBuf = (PBYTE)pRxPacket->p80211Header;
         // decode the frame
         vMgrDecodeAssocResponse(&sFrame);
-        if ((sFrame.pwCapInfo == 0) ||
-            (sFrame.pwStatus == 0) ||
-            (sFrame.pwAid == 0) ||
-            (sFrame.pSuppRates == 0)){
-            DBG_PORT80(0xCC);
-            return;
+	if ((sFrame.pwCapInfo == NULL)
+	    || (sFrame.pwStatus == NULL)
+	    || (sFrame.pwAid == NULL)
+	    || (sFrame.pSuppRates == NULL)) {
+		DBG_PORT80(0xCC);
+		return;
         };
 
         pMgmt->sAssocInfo.AssocInfo.ResponseFixedIEs.Capabilities = *(sFrame.pwCapInfo);
@@ -1871,14 +1871,14 @@ s_vMgrRxBeacon(
     // decode the beacon frame
     vMgrDecodeBeacon(&sFrame);
 
-    if ((sFrame.pwBeaconInterval == 0) ||
-        (sFrame.pwCapInfo == 0) ||
-        (sFrame.pSSID == 0) ||
-        (sFrame.pSuppRates == 0) ) {
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Rx beacon frame error\n");
-        return;
-    };
+    if ((sFrame.pwBeaconInterval == NULL)
+	|| (sFrame.pwCapInfo == NULL)
+	|| (sFrame.pSSID == NULL)
+	|| (sFrame.pSuppRates == NULL)) {
 
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Rx beacon frame error\n");
+	return;
+    };
 
     if( byCurrChannel > CB_MAX_CHANNEL_24G )
     {
@@ -2152,9 +2152,9 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
         if (bTSFLargeDiff)
             bUpdateTSF = TRUE;
 
-        if ((pDevice->bEnablePSMode == TRUE) &&(sFrame.pTIM != 0)) {
+	if ((pDevice->bEnablePSMode == TRUE) && (sFrame.pTIM)) {
 
-            // deal with DTIM, analysis TIM
+		/* deal with DTIM, analysis TIM */
             pMgmt->bMulticastTIM = WLAN_MGMT_IS_MULTICAST_TIM(sFrame.pTIM->byBitMapCtl) ? TRUE : FALSE ;
             pMgmt->byDTIMCount = sFrame.pTIM->byDTIMCount;
             pMgmt->byDTIMPeriod = sFrame.pTIM->byDTIMPeriod;
@@ -4246,14 +4246,16 @@ s_vMgrRxProbeResponse(
     sFrame.pBuf = (PBYTE)pRxPacket->p80211Header;
     vMgrDecodeProbeResponse(&sFrame);
 
-    if ((sFrame.pqwTimestamp == 0) ||
-        (sFrame.pwBeaconInterval == 0) ||
-        (sFrame.pwCapInfo == 0) ||
-        (sFrame.pSSID == 0) ||
-        (sFrame.pSuppRates == 0)) {
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Probe resp:Fail addr:[%p] \n", pRxPacket->p80211Header);
-        DBG_PORT80(0xCC);
-        return;
+    if ((sFrame.pqwTimestamp == NULL)
+	|| (sFrame.pwBeaconInterval == NULL)
+	|| (sFrame.pwCapInfo == NULL)
+	|| (sFrame.pSSID == NULL)
+	|| (sFrame.pSuppRates == NULL)) {
+
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Probe resp:Fail addr:[%p]\n",
+		pRxPacket->p80211Header);
+	DBG_PORT80(0xCC);
+	return;
     };
 
     if(sFrame.pSSID->len == 0)
@@ -4263,22 +4265,23 @@ s_vMgrRxProbeResponse(
     //{{ RobertYu:20050201, 11a  byCurrChannel != sFrame.pDSParms->byCurrChannel mapping
     if( byCurrChannel > CB_MAX_CHANNEL_24G )
     {
-        if (sFrame.pDSParms != 0) {
-            if (byCurrChannel == RFaby11aChannelIndex[sFrame.pDSParms->byCurrChannel-1])
-                bChannelHit = TRUE;
-            byCurrChannel = RFaby11aChannelIndex[sFrame.pDSParms->byCurrChannel-1];
+	if (sFrame.pDSParms) {
+		if (byCurrChannel ==
+		    RFaby11aChannelIndex[sFrame.pDSParms->byCurrChannel-1])
+			bChannelHit = TRUE;
+		byCurrChannel =
+			RFaby11aChannelIndex[sFrame.pDSParms->byCurrChannel-1];
         } else {
-            bChannelHit = TRUE;
+		bChannelHit = TRUE;
         }
-
     } else {
-        if (sFrame.pDSParms != 0) {
-            if (byCurrChannel == sFrame.pDSParms->byCurrChannel)
-                bChannelHit = TRUE;
-            byCurrChannel = sFrame.pDSParms->byCurrChannel;
-        } else {
-            bChannelHit = TRUE;
-        }
+	if (sFrame.pDSParms) {
+		if (byCurrChannel == sFrame.pDSParms->byCurrChannel)
+			bChannelHit = TRUE;
+		byCurrChannel = sFrame.pDSParms->byCurrChannel;
+	} else {
+		bChannelHit = TRUE;
+	}
     }
     //RobertYu:20050201
 
@@ -4286,7 +4289,7 @@ s_vMgrRxProbeResponse(
 if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
       return;
 
-    if (sFrame.pERP != NULL) {
+    if (sFrame.pERP) {
         sERP.byERP = sFrame.pERP->byContext;
         sERP.bERPExist = TRUE;
     } else {

From 7ec21181d22891ecebcd01075a819a4373c54362 Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Wed, 5 May 2010 20:31:38 +0300
Subject: [PATCH 1198/3638] Staging: dt3155v4l: Adding the missing
 linux/delay.h

The prototypes of udelay() and msleep() are in linux/delay.h,
so include it.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155v4l/dt3155v4l.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index 6282b7bbd4e..d596e9d4922 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -4,6 +4,7 @@
 #include <linux/pci.h>
 #include <linux/version.h>
 #include <linux/stringify.h>
+#include <linux/delay.h>
 #include <media/videobuf-dma-contig.h>
 #include <linux/kthread.h>
 

From 2342df0e63f4ca9a4227ea06f951f09180497914 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 10:45:16 -0700
Subject: [PATCH 1199/3638] Staging: dt3155v4l: fix some sparse warnings

Mostly some __iomem markings and some static functions as well.

Cc: Marin Mitov <mitov@issp.bas.bg
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155v4l/dt3155v4l.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index d596e9d4922..881c3e99bd4 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -65,7 +65,7 @@ static u8 config_init = ACQ_MODE_EVEN;
  * in a byte pointed by data.
  */
 static int
-read_i2c_reg(void *addr, u8 index, u8 *data)
+read_i2c_reg(void __iomem *addr, u8 index, u8 *data)
 {
 	u32 tmp = index;
 
@@ -102,7 +102,7 @@ read_i2c_reg(void *addr, u8 index, u8 *data)
  * and busy waits for the process to finish.
  */
 static int
-write_i2c_reg(void *addr, u8 index, u8 data)
+write_i2c_reg(void __iomem *addr, u8 index, u8 data)
 {
 	u32 tmp = index;
 
@@ -134,8 +134,7 @@ write_i2c_reg(void *addr, u8 index, u8 data)
  * This function starts writting the specified (by index) register
  * and then returns.
  */
-void
-write_i2c_reg_nowait(void *addr, u8 index, u8 data)
+static void write_i2c_reg_nowait(void __iomem *addr, u8 index, u8 data)
 {
 	u32 tmp = index;
 
@@ -152,8 +151,7 @@ write_i2c_reg_nowait(void *addr, u8 index, u8 data)
  *
  * This function waits reading/writting to finish.
  */
-static int
-wait_i2c_reg(void *addr)
+static int wait_i2c_reg(void __iomem *addr)
 {
 	if (ioread32(addr + IIC_CSR2) & NEW_CYCLE)
 		udelay(65); /* wait at least 63 usec for NEW_CYCLE to clear */

From 1e19c054434c7d3ad618129c2ff5c3d81efa6949 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:29 -0400
Subject: [PATCH 1200/3638] Staging: hv: Remove check for NULL before calling
 kfree()

kfree() knows how to deal with NULL, so there's no reason to check for
NULL before passing something to it.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Hv.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/hv/Hv.c b/drivers/staging/hv/Hv.c
index bfcb75008bf..2418651772b 100644
--- a/drivers/staging/hv/Hv.c
+++ b/drivers/staging/hv/Hv.c
@@ -305,11 +305,9 @@ void HvCleanup(void)
 
 	DPRINT_ENTER(VMBUS);
 
-	if (gHvContext.SignalEventBuffer) {
-		gHvContext.SignalEventBuffer = NULL;
-		gHvContext.SignalEventParam = NULL;
-		kfree(gHvContext.SignalEventBuffer);
-	}
+	kfree(gHvContext.SignalEventBuffer);
+	gHvContext.SignalEventBuffer = NULL;
+	gHvContext.SignalEventParam = NULL;
 
 	if (gHvContext.HypercallPage) {
 		hypercallMsr.AsUINT64 = 0;

From 75910f236a30bded00f078cab994f35a7171c39b Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:31 -0400
Subject: [PATCH 1201/3638] Staging: hv: remove ASSERT()s in ChannelMgt.c

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/ChannelMgmt.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/ChannelMgmt.c
index 445506d45ed..05e6699e3c7 100644
--- a/drivers/staging/hv/ChannelMgmt.c
+++ b/drivers/staging/hv/ChannelMgmt.c
@@ -753,9 +753,15 @@ int VmbusChannelRequestOffers(void)
 	msgInfo = kmalloc(sizeof(*msgInfo) +
 			  sizeof(struct vmbus_channel_message_header),
 			  GFP_KERNEL);
-	ASSERT(msgInfo != NULL);
+	if (!msgInfo)
+		return -ENOMEM;
 
 	msgInfo->WaitEvent = osd_WaitEventCreate();
+	if (!msgInfo->WaitEvent) {
+		kfree(msgInfo);
+		return -ENOMEM;
+	}
+
 	msg = (struct vmbus_channel_message_header *)msgInfo->Msg;
 
 	msg->MessageType = ChannelMessageRequestOffers;

From 7e052d98f2bbcaaaa6d509081d78e600927cfe60 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:30 -0400
Subject: [PATCH 1202/3638] Staging: hv: check return value of osd_PageAlloc()

The return value of osd_PageAlloc() was checked using an ASSERT().
Change that to more useful behaviour.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index de2ccb1082c..d939723db33 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -192,7 +192,9 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 	/* Allocate the ring buffer */
 	out = osd_PageAlloc((SendRingBufferSize + RecvRingBufferSize)
 			     >> PAGE_SHIFT);
-	ASSERT(out);
+	if (!out)
+		return -ENOMEM;
+
 	ASSERT(((unsigned long)out & (PAGE_SIZE-1)) == 0);
 
 	in = (void *)((unsigned long)out + SendRingBufferSize);

From 8cad0af9a1a1882cd00f12f8f7c79690f563b1d7 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:32 -0400
Subject: [PATCH 1203/3638] Staging: hv: return correct error values in
 Connection.c

Also check the kzalloc call return value.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Connection.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c
index dbf00560e0a..1e4111412ab 100644
--- a/drivers/staging/hv/Connection.c
+++ b/drivers/staging/hv/Connection.c
@@ -93,7 +93,7 @@ int VmbusConnect(void)
 			  sizeof(struct vmbus_channel_initiate_contact),
 			  GFP_KERNEL);
 	if (msgInfo == NULL) {
-		ret = -1;
+		ret = -ENOMEM;
 		goto Cleanup;
 	}
 
@@ -195,6 +195,8 @@ int VmbusDisconnect(void)
 		return -1;
 
 	msg = kzalloc(sizeof(struct vmbus_channel_message_header), GFP_KERNEL);
+	if (!msg)
+		return -ENOMEM;
 
 	msg->MessageType = ChannelMessageUnload;
 

From 80d11b2ae26543656f7226b44ed9d6a184766e85 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:33 -0400
Subject: [PATCH 1204/3638] Staging: hv: test return value of
 osd_WaitEventCreate()

The return value of osd_WaitEventCreate() was not examined in some
places.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Connection.c |  5 +++++
 drivers/staging/hv/NetVsc.c     |  4 ++++
 drivers/staging/hv/StorVsc.c    | 10 +++++++++-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c
index 1e4111412ab..e590eb4b6e7 100644
--- a/drivers/staging/hv/Connection.c
+++ b/drivers/staging/hv/Connection.c
@@ -98,6 +98,11 @@ int VmbusConnect(void)
 	}
 
 	msgInfo->WaitEvent = osd_WaitEventCreate();
+	if (!msgInfo->WaitEvent) {
+		ret = -ENOMEM;
+		goto Cleanup;
+	}
+
 	msg = (struct vmbus_channel_initiate_contact *)msgInfo->Msg;
 
 	msg->Header.MessageType = ChannelMessageInitiateContact;
diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index 27516d40b6e..d3154e71177 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -749,6 +749,10 @@ static int NetVscOnDeviceAdd(struct hv_device *Device, void *AdditionalInfo)
 			      &netDevice->ReceivePacketList);
 	}
 	netDevice->ChannelInitEvent = osd_WaitEventCreate();
+	if (!netDevice->ChannelInitEvent) {
+		ret = -ENOMEM;
+		goto Cleanup;
+	}
 
 	/* Open the channel */
 	ret = Device->Driver->VmbusChannelInterface.Open(Device,
diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/StorVsc.c
index 7372317fe83..4d0fbce229e 100644
--- a/drivers/staging/hv/StorVsc.c
+++ b/drivers/staging/hv/StorVsc.c
@@ -199,6 +199,10 @@ static int StorVscChannelInit(struct hv_device *Device)
 	 */
 	memset(request, 0, sizeof(struct storvsc_request_extension));
 	request->WaitEvent = osd_WaitEventCreate();
+	if (!request->WaitEvent) {
+		ret = -ENOMEM;
+		goto nomem;
+	}
 
 	vstorPacket->Operation = VStorOperationBeginInitialization;
 	vstorPacket->Flags = REQUEST_COMPLETION_FLAG;
@@ -338,7 +342,7 @@ static int StorVscChannelInit(struct hv_device *Device)
 Cleanup:
 	kfree(request->WaitEvent);
 	request->WaitEvent = NULL;
-
+nomem:
 	PutStorDevice(Device);
 
 	DPRINT_EXIT(STORVSC);
@@ -649,6 +653,10 @@ int StorVscOnHostReset(struct hv_device *Device)
 	vstorPacket = &request->VStorPacket;
 
 	request->WaitEvent = osd_WaitEventCreate();
+	if (!request->WaitEvent) {
+		ret = -ENOMEM;
+		goto Cleanup;
+	}
 
 	vstorPacket->Operation = VStorOperationResetBus;
 	vstorPacket->Flags = REQUEST_COMPLETION_FLAG;

From c3bf2e26b30f4ea54f3825e8ebda7cb10ec204de Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:34 -0400
Subject: [PATCH 1205/3638] Staging: hv: remove ASSERT()s in Channel.c

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 45 ++++++++++++++++++++++++++++--------
 1 file changed, 36 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index d939723db33..79c013b4817 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -178,7 +178,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 	struct vmbus_channel_msginfo *openInfo;
 	void *in, *out;
 	unsigned long flags;
-	int ret;
+	int ret, err = 0;
 
 	DPRINT_ENTER(VMBUS);
 
@@ -218,6 +218,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 					 SendRingBufferSize +
 					 RecvRingBufferSize,
 					 &NewChannel->RingBufferGpadlHandle);
+/* FIXME: the value of ret is not checked */
 
 	DPRINT_DBG(VMBUS, "channel %p <relid %d gpadl 0x%x send ring %p "
 		   "size %d recv ring %p size %d, downstreamoffset %d>",
@@ -233,9 +234,16 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 	openInfo = kmalloc(sizeof(*openInfo) +
 			   sizeof(struct vmbus_channel_open_channel),
 			   GFP_KERNEL);
-	ASSERT(openInfo != NULL);
+	if (!openInfo) {
+		err = -ENOMEM;
+		goto errorout;
+	}
 
 	openInfo->WaitEvent = osd_WaitEventCreate();
+	if (!openInfo->WaitEvent) {
+		err = -ENOMEM;
+		goto errorout;
+	}
 
 	openMsg = (struct vmbus_channel_open_channel *)openInfo->Msg;
 	openMsg->Header.MessageType = ChannelMessageOpenChannel;
@@ -285,6 +293,12 @@ Cleanup:
 	DPRINT_EXIT(VMBUS);
 
 	return 0;
+
+errorout:
+	osd_PageFree(out, (SendRingBufferSize + RecvRingBufferSize)
+		     >> PAGE_SHIFT);
+	kfree(openInfo);
+	return err;
 }
 
 /*
@@ -461,24 +475,29 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel, void *Kbuffer,
 	struct vmbus_channel_gpadl_header *gpadlMsg;
 	struct vmbus_channel_gpadl_body *gpadlBody;
 	/* struct vmbus_channel_gpadl_created *gpadlCreated; */
-	struct vmbus_channel_msginfo *msgInfo;
+	struct vmbus_channel_msginfo *msgInfo = NULL;
 	struct vmbus_channel_msginfo *subMsgInfo;
 	u32 msgCount;
 	struct list_head *curr;
 	u32 nextGpadlHandle;
 	unsigned long flags;
-	int ret;
+	int ret = 0;
 
 	DPRINT_ENTER(VMBUS);
 
 	nextGpadlHandle = atomic_read(&gVmbusConnection.NextGpadlHandle);
 	atomic_inc(&gVmbusConnection.NextGpadlHandle);
 
-	VmbusChannelCreateGpadlHeader(Kbuffer, Size, &msgInfo, &msgCount);
-	ASSERT(msgInfo != NULL);
-	ASSERT(msgCount > 0);
+	ret = VmbusChannelCreateGpadlHeader(Kbuffer, Size, &msgInfo, &msgCount);
+	if (ret)
+		return ret;
 
 	msgInfo->WaitEvent = osd_WaitEventCreate();
+	if (!msgInfo->WaitEvent) {
+		ret = -ENOMEM;
+		goto Cleanup;
+	}
+
 	gpadlMsg = (struct vmbus_channel_gpadl_header *)msgInfo->Msg;
 	gpadlMsg->Header.MessageType = ChannelMessageGpadlHeader;
 	gpadlMsg->ChildRelId = Channel->OfferMsg.ChildRelId;
@@ -567,9 +586,14 @@ int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle)
 
 	info = kmalloc(sizeof(*info) +
 		       sizeof(struct vmbus_channel_gpadl_teardown), GFP_KERNEL);
-	ASSERT(info != NULL);
+	if (!info)
+		return -ENOMEM;
 
 	info->WaitEvent = osd_WaitEventCreate();
+	if (!info->WaitEvent) {
+		kfree(info);
+		return -ENOMEM;
+	}
 
 	msg = (struct vmbus_channel_gpadl_teardown *)info->Msg;
 
@@ -623,7 +647,10 @@ void VmbusChannelClose(struct vmbus_channel *Channel)
 	/* Send a closing message */
 	info = kmalloc(sizeof(*info) +
 		       sizeof(struct vmbus_channel_close_channel), GFP_KERNEL);
-	ASSERT(info != NULL);
+        /* FIXME: can't do anything other than return here because the
+	 *        function is void */
+	if (!info)
+		return;
 
 	/* info->waitEvent = osd_WaitEventCreate(); */
 

From d1c250bb5df9afb5af3f290d1006dfe601a51e2e Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:35 -0400
Subject: [PATCH 1206/3638] Staging: hv: remove ASSERT() in Channel.c

check memory allocation in VmbusChannelCreateGpadlHeader() and
return -ENOMEM if it fails

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index 79c013b4817..2d8c086228c 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -382,6 +382,8 @@ static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
 			  sizeof(struct vmbus_channel_gpadl_header) +
 			  sizeof(struct gpa_range) + pfnCount * sizeof(u64);
 		msgHeader =  kzalloc(msgSize, GFP_KERNEL);
+		if (!msgHeader)
+			goto nomem;
 
 		INIT_LIST_HEAD(&msgHeader->SubMsgList);
 		msgHeader->MessageSize = msgSize;
@@ -416,7 +418,9 @@ static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
 				  sizeof(struct vmbus_channel_gpadl_body) +
 				  pfnCurr * sizeof(u64);
 			msgBody = kzalloc(msgSize, GFP_KERNEL);
-			ASSERT(msgBody);
+			/* FIXME: we probably need to more if this fails */
+			if (!msgBody)
+				goto nomem;
 			msgBody->MessageSize = msgSize;
 			(*MessageCount)++;
 			gpadlBody =
@@ -459,6 +463,10 @@ static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
 	}
 
 	return 0;
+nomem:
+	kfree(msgHeader);
+	kfree(msgBody);
+	return -ENOMEM;
 }
 
 /*

From 99259159c0eb58a539ed399677c8294e3792722b Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:36 -0400
Subject: [PATCH 1207/3638] Staging: hv: remove ASSERT() in Channel.c

return an error instead of calling ASSERT() if VmbusPostMessage()
fails.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index 2d8c086228c..8c30540b725 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -551,7 +551,9 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel, void *Kbuffer,
 			ret = VmbusPostMessage(gpadlBody,
 					       subMsgInfo->MessageSize -
 					       sizeof(*subMsgInfo));
-			ASSERT(ret == 0);
+			if (!ret)
+				goto Cleanup;
+
 		}
 	}
 	osd_WaitEventWait(msgInfo->WaitEvent);

From b94ef345b26b4d75e5028617e43fb51d7dd0162b Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:37 -0400
Subject: [PATCH 1208/3638] Staging: hv: test return value of
 VmbusChannelEstablishGpadl()

The return value of VmbusChannelEstablishGpadl() was not examined in
Channel.c

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index 8c30540b725..fdd441174f2 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -175,7 +175,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 		     void (*OnChannelCallback)(void *context), void *Context)
 {
 	struct vmbus_channel_open_channel *openMsg;
-	struct vmbus_channel_msginfo *openInfo;
+	struct vmbus_channel_msginfo *openInfo = NULL;
 	void *in, *out;
 	unsigned long flags;
 	int ret, err = 0;
@@ -218,7 +218,11 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 					 SendRingBufferSize +
 					 RecvRingBufferSize,
 					 &NewChannel->RingBufferGpadlHandle);
-/* FIXME: the value of ret is not checked */
+
+	if (!ret) {
+		err = ret;
+		goto errorout;
+	}
 
 	DPRINT_DBG(VMBUS, "channel %p <relid %d gpadl 0x%x send ring %p "
 		   "size %d recv ring %p size %d, downstreamoffset %d>",
@@ -250,7 +254,6 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 	openMsg->OpenId = NewChannel->OfferMsg.ChildRelId; /* FIXME */
 	openMsg->ChildRelId = NewChannel->OfferMsg.ChildRelId;
 	openMsg->RingBufferGpadlHandle = NewChannel->RingBufferGpadlHandle;
-	ASSERT(openMsg->RingBufferGpadlHandle);
 	openMsg->DownstreamRingBufferPageOffset = SendRingBufferSize >>
 						  PAGE_SHIFT;
 	openMsg->ServerContextAreaGpadlHandle = 0; /* TODO */
@@ -295,6 +298,8 @@ Cleanup:
 	return 0;
 
 errorout:
+	RingBufferCleanup(&NewChannel->Outbound);
+	RingBufferCleanup(&NewChannel->Inbound);
 	osd_PageFree(out, (SendRingBufferSize + RecvRingBufferSize)
 		     >> PAGE_SHIFT);
 	kfree(openInfo);

From c827f944f51e02894d68f036da843783e622ec2a Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:38 -0400
Subject: [PATCH 1209/3638] Staging: hv: remove ASSERT() in Channel.c

VmbusChannelOpen() will now return -EINVAL if UserDataLen is too big.
Previously this was handled by an assert.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index fdd441174f2..bd1a33608fc 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -258,7 +258,11 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 						  PAGE_SHIFT;
 	openMsg->ServerContextAreaGpadlHandle = 0; /* TODO */
 
-	ASSERT(UserDataLen <= MAX_USER_DEFINED_BYTES);
+	if (UserDataLen > MAX_USER_DEFINED_BYTES) {
+		err = -EINVAL;
+		goto errorout;
+	}
+
 	if (UserDataLen)
 		memcpy(openMsg->UserData, UserData, UserDataLen);
 

From 002b53ea5713910daf215037b72c5820413e2f95 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:39 -0400
Subject: [PATCH 1210/3638] Staging: hv: return -EINVAL instead of calling
 ASSERT()

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index bd1a33608fc..0a9ca336ede 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -793,7 +793,8 @@ int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *Channel,
 
 	DPRINT_ENTER(VMBUS);
 
-	ASSERT(PageCount <= MAX_PAGE_BUFFER_COUNT);
+	if (PageCount > MAX_PAGE_BUFFER_COUNT)
+		return -EINVAL;
 
 	DumpVmbusChannel(Channel);
 
@@ -864,8 +865,8 @@ int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *Channel,
 	DPRINT_DBG(VMBUS, "data buffer - offset %u len %u pfn count %u",
 		   MultiPageBuffer->Offset, MultiPageBuffer->Length, PfnCount);
 
-	ASSERT(PfnCount > 0);
-	ASSERT(PfnCount <= MAX_MULTIPAGE_BUFFER_COUNT);
+	if ((PfnCount < 0) || (PfnCount > MAX_MULTIPAGE_BUFFER_COUNT))
+		return -EINVAL;
 
 	/*
 	 * Adjust the size down since VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER is

From 0ace247ead760a6a56a7bb3b5926c28fef1d4c6c Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:40 -0400
Subject: [PATCH 1211/3638] staging: hv: remove ASSERT()s in Channel.c

These ASSERT()s serve no purpose other than for debugging.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index 0a9ca336ede..a1431e4ac8b 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -183,8 +183,8 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 	DPRINT_ENTER(VMBUS);
 
 	/* Aligned to page size */
-	ASSERT(!(SendRingBufferSize & (PAGE_SIZE - 1)));
-	ASSERT(!(RecvRingBufferSize & (PAGE_SIZE - 1)));
+	/* ASSERT(!(SendRingBufferSize & (PAGE_SIZE - 1))); */
+	/* ASSERT(!(RecvRingBufferSize & (PAGE_SIZE - 1))); */
 
 	NewChannel->OnChannelCallback = OnChannelCallback;
 	NewChannel->ChannelCallbackContext = Context;
@@ -195,7 +195,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 	if (!out)
 		return -ENOMEM;
 
-	ASSERT(((unsigned long)out & (PAGE_SIZE-1)) == 0);
+	/* ASSERT(((unsigned long)out & (PAGE_SIZE-1)) == 0); */
 
 	in = (void *)((unsigned long)out + SendRingBufferSize);
 
@@ -373,7 +373,7 @@ static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
 	int pfnSum, pfnCount, pfnLeft, pfnCurr, pfnSize;
 
 	/* ASSERT((kbuffer & (PAGE_SIZE-1)) == 0); */
-	ASSERT((Size & (PAGE_SIZE-1)) == 0);
+	/* ASSERT((Size & (PAGE_SIZE-1)) == 0); */
 
 	pageCount = Size >> PAGE_SHIFT;
 	pfn = virt_to_phys(Kbuffer) >> PAGE_SHIFT;
@@ -601,7 +601,7 @@ int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle)
 
 	DPRINT_ENTER(VMBUS);
 
-	ASSERT(GpadlHandle != 0);
+	/* ASSERT(GpadlHandle != 0); */
 
 	info = kmalloc(sizeof(*info) +
 		       sizeof(struct vmbus_channel_gpadl_teardown), GFP_KERNEL);
@@ -746,7 +746,7 @@ int VmbusChannelSendPacket(struct vmbus_channel *Channel, const void *Buffer,
 
 	DumpVmbusChannel(Channel);
 
-	ASSERT((packetLenAligned - packetLen) < sizeof(u64));
+	/* ASSERT((packetLenAligned - packetLen) < sizeof(u64)); */
 
 	/* Setup the descriptor */
 	desc.Type = Type; /* VmbusPacketTypeDataInBand; */
@@ -808,7 +808,7 @@ int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *Channel,
 	packetLen = descSize + BufferLen;
 	packetLenAligned = ALIGN_UP(packetLen, sizeof(u64));
 
-	ASSERT((packetLenAligned - packetLen) < sizeof(u64));
+	/* ASSERT((packetLenAligned - packetLen) < sizeof(u64)); */
 
 	/* Setup the descriptor */
 	desc.Type = VmbusPacketTypeDataUsingGpaDirect;
@@ -878,7 +878,7 @@ int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *Channel,
 	packetLen = descSize + BufferLen;
 	packetLenAligned = ALIGN_UP(packetLen, sizeof(u64));
 
-	ASSERT((packetLenAligned - packetLen) < sizeof(u64));
+	/* ASSERT((packetLenAligned - packetLen) < sizeof(u64)); */
 
 	/* Setup the descriptor */
 	desc.Type = VmbusPacketTypeDataUsingGpaDirect;
@@ -1056,7 +1056,7 @@ int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel, void *Buffer,
 void VmbusChannelOnChannelEvent(struct vmbus_channel *Channel)
 {
 	DumpVmbusChannel(Channel);
-	ASSERT(Channel->OnChannelCallback);
+	/* ASSERT(Channel->OnChannelCallback); */
 
 	Channel->OnChannelCallback(Channel->ChannelCallbackContext);
 

From b856e7382f7d1b184a3dac200275e23a27488ce1 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:41 -0400
Subject: [PATCH 1212/3638] staging: hv: remove ASSERT()s in storvsc_drv.c

These ASSERT()s serve no purpose other than for debugging.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/storvsc_drv.c | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 26b35a6c679..d9649e37e11 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -385,11 +385,11 @@ static void storvsc_commmand_completion(struct hv_storvsc_request *request)
 	void (*scsi_done_fn)(struct scsi_cmnd *);
 	struct scsi_sense_hdr sense_hdr;
 
-	ASSERT(request == &cmd_request->request);
-	ASSERT(scmnd);
-	ASSERT((unsigned long)scmnd->host_scribble ==
-		(unsigned long)cmd_request);
-	ASSERT(scmnd->scsi_done);
+	/* ASSERT(request == &cmd_request->request); */
+	/* ASSERT(scmnd); */
+	/* ASSERT((unsigned long)scmnd->host_scribble == */
+	/*        (unsigned long)cmd_request); */
+	/* ASSERT(scmnd->scsi_done); */
 
 	DPRINT_ENTER(STORVSC_DRV);
 
@@ -413,7 +413,7 @@ static void storvsc_commmand_completion(struct hv_storvsc_request *request)
 			scsi_print_sense_hdr("storvsc", &sense_hdr);
 	}
 
-	ASSERT(request->BytesXfer <= request->DataBuffer.Length);
+	/* ASSERT(request->BytesXfer <= request->DataBuffer.Length); */
 	scsi_set_resid(scmnd, request->DataBuffer.Length - request->BytesXfer);
 
 	scsi_done_fn = scmnd->scsi_done;
@@ -522,7 +522,7 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
 		src = src_addr;
 		srclen = orig_sgl[i].length;
 
-		ASSERT(orig_sgl[i].offset + orig_sgl[i].length <= PAGE_SIZE);
+		/* ASSERT(orig_sgl[i].offset + orig_sgl[i].length <= PAGE_SIZE); */
 
 		if (j == 0)
 			bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0);
@@ -583,7 +583,7 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
 					KM_IRQ0) + orig_sgl[i].offset;
 		dest = dest_addr;
 		destlen = orig_sgl[i].length;
-		ASSERT(orig_sgl[i].offset + orig_sgl[i].length <= PAGE_SIZE);
+		/* ASSERT(orig_sgl[i].offset + orig_sgl[i].length <= PAGE_SIZE); */
 
 		if (j == 0)
 			bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0);
@@ -655,7 +655,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 
 	/* If retrying, no need to prep the cmd */
 	if (scmnd->host_scribble) {
-		ASSERT(scmnd->scsi_done != NULL);
+		/* ASSERT(scmnd->scsi_done != NULL); */
 
 		cmd_request =
 			(struct storvsc_cmd_request *)scmnd->host_scribble;
@@ -665,8 +665,8 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 		goto retry_request;
 	}
 
-	ASSERT(scmnd->scsi_done == NULL);
-	ASSERT(scmnd->host_scribble == NULL);
+	/* ASSERT(scmnd->scsi_done == NULL); */
+	/* ASSERT(scmnd->host_scribble == NULL); */
 
 	scmnd->scsi_done = done;
 
@@ -717,7 +717,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 	request->TargetId = scmnd->device->id;
 	request->LunId = scmnd->device->lun;
 
-	ASSERT(scmnd->cmd_len <= 16);
+	/* ASSERT(scmnd->cmd_len <= 16); */
 	request->CdbLen = scmnd->cmd_len;
 	request->Cdb = scmnd->cmnd;
 
@@ -773,13 +773,11 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 					page_to_pfn(sg_page((&sgl[i])));
 		}
 	} else if (scsi_sglist(scmnd)) {
-		ASSERT(scsi_bufflen(scmnd) <= PAGE_SIZE);
+		/* ASSERT(scsi_bufflen(scmnd) <= PAGE_SIZE); */
 		request->DataBuffer.Offset =
 			virt_to_phys(scsi_sglist(scmnd)) & (PAGE_SIZE-1);
 		request->DataBuffer.PfnArray[0] =
 			virt_to_phys(scsi_sglist(scmnd)) >> PAGE_SHIFT;
-	} else {
-		ASSERT(scsi_bufflen(scmnd) == 0);
 	}
 
 retry_request:

From ee3503762d86c13bb94ed1db200d4601517b1b9b Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:42 -0400
Subject: [PATCH 1213/3638] staging: hv: return error instead calling ASSERT in
 blkvsc_drv.c

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/blkvsc_drv.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 8f8637e51d9..b6a2cb8752d 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -1213,7 +1213,10 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev)
 					(!comp_req->request.Status ? 0 : -EIO),
 					comp_req->sector_count *
 					blkdev->sector_size);
-				ASSERT(ret != 0);
+
+				/* FIXME: shouldn't this do more than return? */
+				if (ret)
+					goto out;
 			}
 
 			kmem_cache_free(blkdev->request_pool, comp_req);
@@ -1245,6 +1248,7 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev)
 		kmem_cache_free(blkdev->request_pool, pend_req);
 	}
 
+out:
 	return ret;
 }
 

From 5afd06ccd6b309f6a47d7e8fa4ea349b25738d97 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:43 -0400
Subject: [PATCH 1214/3638] staging: hv: make the block driver depend on LBDAF

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Kconfig      | 2 +-
 drivers/staging/hv/blkvsc_drv.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/hv/Kconfig b/drivers/staging/hv/Kconfig
index 79afb1e96c3..97480f5c659 100644
--- a/drivers/staging/hv/Kconfig
+++ b/drivers/staging/hv/Kconfig
@@ -17,7 +17,7 @@ config HYPERV_STORAGE
 
 config HYPERV_BLOCK
 	tristate "Microsoft Hyper-V virtual block driver"
-	depends on BLOCK && SCSI
+	depends on BLOCK && SCSI && LBDAF
 	default HYPERV
 	help
 	  Select this option to enable the Hyper-V virtual block driver.
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index b6a2cb8752d..8a25154c06f 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -1489,7 +1489,7 @@ static int __init blkvsc_init(void)
 {
 	int ret;
 
-	ASSERT(sizeof(sector_t) == 8); /* Make sure CONFIG_LBD is set */
+	BUILD_BUG_ON(sizeof(sector_t) != 8);
 
 	DPRINT_ENTER(BLKVSC_DRV);
 

From 4e5166b5d83e748014f6f22a4f8a3537294ced9b Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:44 -0400
Subject: [PATCH 1215/3638] staging: hv: remove ASSERT()s in blkvsc_drv.c

These ASSERT()s serve no purpose other than for debugging.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/blkvsc_drv.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 8a25154c06f..78fc348334e 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -288,8 +288,8 @@ static int blkvsc_probe(struct device *device)
 	/* Initialize what we can here */
 	spin_lock_init(&blkdev->lock);
 
-	ASSERT(sizeof(struct blkvsc_request_group) <=
-		sizeof(struct blkvsc_request));
+	/* ASSERT(sizeof(struct blkvsc_request_group) <= */
+	/* 	sizeof(struct blkvsc_request)); */
 
 	blkdev->request_pool = kmem_cache_create(dev_name(&device_ctx->device),
 					sizeof(struct blkvsc_request) +
@@ -808,8 +808,8 @@ static int blkvsc_remove(struct device *device)
 
 static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req)
 {
-	ASSERT(blkvsc_req->req);
-	ASSERT(blkvsc_req->sector_count <= (MAX_MULTIPAGE_BUFFER_COUNT*8));
+	/* ASSERT(blkvsc_req->req); */
+	/* ASSERT(blkvsc_req->sector_count <= (MAX_MULTIPAGE_BUFFER_COUNT*8)); */
 
 	blkvsc_req->cmd_len = 16;
 
@@ -1116,7 +1116,7 @@ static void blkvsc_request_completion(struct hv_storvsc_request *request)
 	unsigned long flags;
 	struct blkvsc_request *comp_req, *tmp;
 
-	ASSERT(blkvsc_req->group);
+	/* ASSERT(blkvsc_req->group); */
 
 	DPRINT_DBG(BLKVSC_DRV, "blkdev %p blkvsc_req %p group %p type %s "
 		   "sect_start %lu sect_count %ld len %d group outstd %d "

From e2e64432e9b76e8170d64b25a40feec991822555 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:45 -0400
Subject: [PATCH 1216/3638] staging: hv: remove ASSERT()s in StorVsc.c

These ASSERT()s serve no purpose other than for debugging.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/StorVsc.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/StorVsc.c
index 4d0fbce229e..e73130e49cc 100644
--- a/drivers/staging/hv/StorVsc.c
+++ b/drivers/staging/hv/StorVsc.c
@@ -100,7 +100,7 @@ static inline struct storvsc_device *AllocStorDevice(struct hv_device *Device)
 
 static inline void FreeStorDevice(struct storvsc_device *Device)
 {
-	ASSERT(atomic_read(&Device->RefCount) == 0);
+	/* ASSERT(atomic_read(&Device->RefCount) == 0); */
 	kfree(Device);
 }
 
@@ -137,10 +137,10 @@ static inline void PutStorDevice(struct hv_device *Device)
 	struct storvsc_device *storDevice;
 
 	storDevice = (struct storvsc_device *)Device->Extension;
-	ASSERT(storDevice);
+	/* ASSERT(storDevice); */
 
 	atomic_dec(&storDevice->RefCount);
-	ASSERT(atomic_read(&storDevice->RefCount));
+	/* ASSERT(atomic_read(&storDevice->RefCount)); */
 }
 
 /* Drop ref count to 1 to effectively disable GetStorDevice() */
@@ -149,7 +149,7 @@ static inline struct storvsc_device *ReleaseStorDevice(struct hv_device *Device)
 	struct storvsc_device *storDevice;
 
 	storDevice = (struct storvsc_device *)Device->Extension;
-	ASSERT(storDevice);
+	/* ASSERT(storDevice); */
 
 	/* Busy wait until the ref drop to 2, then set it to 1 */
 	while (atomic_cmpxchg(&storDevice->RefCount, 2, 1) != 2)
@@ -165,7 +165,7 @@ static inline struct storvsc_device *FinalReleaseStorDevice(
 	struct storvsc_device *storDevice;
 
 	storDevice = (struct storvsc_device *)Device->Extension;
-	ASSERT(storDevice);
+	/* ASSERT(storDevice); */
 
 	/* Busy wait until the ref drop to 1, then set it to 0 */
 	while (atomic_cmpxchg(&storDevice->RefCount, 1, 0) != 1)
@@ -370,12 +370,12 @@ static void StorVscOnIOCompletion(struct hv_device *Device,
 		   "completed bytes xfer %u", RequestExt,
 		   VStorPacket->VmSrb.DataTransferLength);
 
-	ASSERT(RequestExt != NULL);
-	ASSERT(RequestExt->Request != NULL);
+	/* ASSERT(RequestExt != NULL); */
+	/* ASSERT(RequestExt->Request != NULL); */
 
 	request = RequestExt->Request;
 
-	ASSERT(request->OnIOCompletion != NULL);
+	/* ASSERT(request->OnIOCompletion != NULL); */
 
 	/* Copy over the status...etc */
 	request->Status = VStorPacket->VmSrb.ScsiStatus;
@@ -395,8 +395,8 @@ static void StorVscOnIOCompletion(struct hv_device *Device,
 				    "valid - len %d\n", RequestExt,
 				    VStorPacket->VmSrb.SenseInfoLength);
 
-			ASSERT(VStorPacket->VmSrb.SenseInfoLength <=
-				request->SenseBufferSize);
+			/* ASSERT(VStorPacket->VmSrb.SenseInfoLength <= */
+			/* 	request->SenseBufferSize); */
 			memcpy(request->SenseBuffer,
 			       VStorPacket->VmSrb.SenseData,
 			       VStorPacket->VmSrb.SenseInfoLength);
@@ -451,7 +451,7 @@ static void StorVscOnChannelCallback(void *context)
 
 	DPRINT_ENTER(STORVSC);
 
-	ASSERT(device);
+	/* ASSERT(device); */
 
 	storDevice = MustGetStorDevice(device);
 	if (!storDevice) {
@@ -474,7 +474,7 @@ static void StorVscOnChannelCallback(void *context)
 
 			request = (struct storvsc_request_extension *)
 					(unsigned long)requestId;
-			ASSERT(request);
+			/* ASSERT(request);c */
 
 			/* if (vstorPacket.Flags & SYNTHETIC_FLAG) */
 			if ((request == &storDevice->InitRequest) ||
@@ -821,7 +821,7 @@ int StorVscInitialize(struct hv_driver *Driver)
 		   sizeof(struct vmscsi_request));
 
 	/* Make sure we are at least 2 pages since 1 page is used for control */
-	ASSERT(storDriver->RingBufferSize >= (PAGE_SIZE << 1));
+	/* ASSERT(storDriver->RingBufferSize >= (PAGE_SIZE << 1)); */
 
 	Driver->name = gDriverName;
 	memcpy(&Driver->deviceType, &gStorVscDeviceType,

From 45e4431468f24748ba089b741713c740e854fccc Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:46 -0400
Subject: [PATCH 1217/3638] staging: hv: remove ASSERT()s in RndisFilter.c

These ASSERT()s serve no purpose other than for debugging.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/RndisFilter.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/hv/RndisFilter.c b/drivers/staging/hv/RndisFilter.c
index de4bc80341c..f0aacc0c84c 100644
--- a/drivers/staging/hv/RndisFilter.c
+++ b/drivers/staging/hv/RndisFilter.c
@@ -356,8 +356,8 @@ static void RndisFilterReceiveData(struct rndis_device *Device,
 	DPRINT_ENTER(NETVSC);
 
 	/* empty ethernet frame ?? */
-	ASSERT(Packet->PageBuffers[0].Length >
-		RNDIS_MESSAGE_SIZE(struct rndis_packet));
+	/* ASSERT(Packet->PageBuffers[0].Length > */
+	/* 	RNDIS_MESSAGE_SIZE(struct rndis_packet)); */
 
 	rndisPacket = &Message->Message.Packet;
 
@@ -567,8 +567,8 @@ static int RndisFilterSetPacketFilter(struct rndis_device *Device,
 
 	DPRINT_ENTER(NETVSC);
 
-	ASSERT(RNDIS_MESSAGE_SIZE(struct rndis_set_request) + sizeof(u32) <=
-		sizeof(struct rndis_message));
+	/* ASSERT(RNDIS_MESSAGE_SIZE(struct rndis_set_request) + sizeof(u32) <= */
+	/* 	sizeof(struct rndis_message)); */
 
 	request = GetRndisRequest(Device, REMOTE_NDIS_SET_MSG,
 			RNDIS_MESSAGE_SIZE(struct rndis_set_request) +
@@ -640,8 +640,8 @@ int RndisFilterInit(struct netvsc_driver *Driver)
 					Driver->Base.OnDeviceRemove;
 	gRndisFilter.InnerDriver.Base.OnCleanup = Driver->Base.OnCleanup;
 
-	ASSERT(Driver->OnSend);
-	ASSERT(Driver->OnReceiveCallback);
+	/* ASSERT(Driver->OnSend); */
+	/* ASSERT(Driver->OnReceiveCallback); */
 	gRndisFilter.InnerDriver.OnSend = Driver->OnSend;
 	gRndisFilter.InnerDriver.OnReceiveCallback = Driver->OnReceiveCallback;
 	gRndisFilter.InnerDriver.OnLinkStatusChanged =
@@ -811,8 +811,8 @@ static int RndisFilterOnDeviceAdd(struct hv_device *Device,
 
 	/* Initialize the rndis device */
 	netDevice = Device->Extension;
-	ASSERT(netDevice);
-	ASSERT(netDevice->Device);
+	/* ASSERT(netDevice); */
+	/* ASSERT(netDevice->Device); */
 
 	netDevice->Extension = rndisDevice;
 	rndisDevice->NetDevice = netDevice;
@@ -921,7 +921,7 @@ static int RndisFilterOnSend(struct hv_device *Device,
 
 	/* Add the rndis header */
 	filterPacket = (struct rndis_filter_packet *)Packet->Extension;
-	ASSERT(filterPacket);
+	/* ASSERT(filterPacket); */
 
 	memset(filterPacket, 0, sizeof(struct rndis_filter_packet));
 

From 8a62d7168af111bb80d041e6ccf74987056c79d3 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:47 -0400
Subject: [PATCH 1218/3638] staging: hv: remove ASSERT()s in RndisFilter.c

return -EINVAL instead of calling ASSERT() for these conditionals.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/RndisFilter.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/hv/RndisFilter.c b/drivers/staging/hv/RndisFilter.c
index f0aacc0c84c..597c972f22c 100644
--- a/drivers/staging/hv/RndisFilter.c
+++ b/drivers/staging/hv/RndisFilter.c
@@ -391,7 +391,9 @@ static int RndisFilterOnReceive(struct hv_device *Device,
 
 	DPRINT_ENTER(NETVSC);
 
-	ASSERT(netDevice);
+	if (!netDevice)
+		return -EINVAL;
+
 	/* Make sure the rndis device state is initialized */
 	if (!netDevice->Extension) {
 		DPRINT_ERR(NETVSC, "got rndis message but no rndis device..."
@@ -492,7 +494,8 @@ static int RndisFilterQueryDevice(struct rndis_device *Device, u32 Oid,
 
 	DPRINT_ENTER(NETVSC);
 
-	ASSERT(Result);
+	if (!Result)
+		return -EINVAL;
 
 	*ResultSize = 0;
 	request = GetRndisRequest(Device, REMOTE_NDIS_QUERY_MSG,
@@ -885,7 +888,9 @@ int RndisFilterOnOpen(struct hv_device *Device)
 
 	DPRINT_ENTER(NETVSC);
 
-	ASSERT(netDevice);
+	if (!netDevice)
+		return -EINVAL;
+
 	ret = RndisFilterOpenDevice(netDevice->Extension);
 
 	DPRINT_EXIT(NETVSC);
@@ -900,7 +905,9 @@ int RndisFilterOnClose(struct hv_device *Device)
 
 	DPRINT_ENTER(NETVSC);
 
-	ASSERT(netDevice);
+	if (!netDevice)
+		return -EINVAL;
+
 	ret = RndisFilterCloseDevice(netDevice->Extension);
 
 	DPRINT_EXIT(NETVSC);

From 1bbdd7a5380239533c4bb648c5d5d9510f12974b Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:48 -0400
Subject: [PATCH 1219/3638] staging: hv: remove ASSERT()s in RingBuffer.c

These ASSERT()s serve no purpose other than for debugging.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/RingBuffer.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/RingBuffer.c
index 08b3c5567e9..ee481fd972b 100644
--- a/drivers/staging/hv/RingBuffer.c
+++ b/drivers/staging/hv/RingBuffer.c
@@ -72,7 +72,7 @@ GetNextWriteLocation(RING_BUFFER_INFO *RingInfo)
 {
 	u32 next = RingInfo->RingBuffer->WriteIndex;
 
-	ASSERT(next < RingInfo->RingDataSize);
+	/* ASSERT(next < RingInfo->RingDataSize); */
 
 	return next;
 }
@@ -106,7 +106,7 @@ GetNextReadLocation(RING_BUFFER_INFO *RingInfo)
 {
 	u32 next = RingInfo->RingBuffer->ReadIndex;
 
-	ASSERT(next < RingInfo->RingDataSize);
+	/* ASSERT(next < RingInfo->RingDataSize); */
 
 	return next;
 }
@@ -126,7 +126,7 @@ GetNextReadLocationWithOffset(RING_BUFFER_INFO *RingInfo, u32 Offset)
 {
 	u32 next = RingInfo->RingBuffer->ReadIndex;
 
-	ASSERT(next < RingInfo->RingDataSize);
+	/* ASSERT(next < RingInfo->RingDataSize); */
 	next += Offset;
 	next %= RingInfo->RingDataSize;
 

From 3324fb405340cf52fe361697a86d235587402d9c Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:49 -0400
Subject: [PATCH 1220/3638] staging: hv: check return value of RingBufferInit()

RingBufferInit() would always return sucess and instead relied on an
ASSERT() to test for an error condition.  Remove the ASSERT() and
return -EINVAL instead.  The return value of RingBufferInit() was also
never checked, so check it.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c    | 13 +++++++++++--
 drivers/staging/hv/RingBuffer.c |  3 ++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index a1431e4ac8b..158f62d8553 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -203,9 +203,18 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 	NewChannel->RingBufferPageCount = (SendRingBufferSize +
 					   RecvRingBufferSize) >> PAGE_SHIFT;
 
-	RingBufferInit(&NewChannel->Outbound, out, SendRingBufferSize);
+	ret = RingBufferInit(&NewChannel->Outbound, out, SendRingBufferSize);
+	if (!ret) {
+		err = ret;
+		goto errorout;
+	}
+
+	ret = RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize);
+	if (!ret) {
+		err = ret;
+		goto errorout;
+	}
 
-	RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize);
 
 	/* Establish the gpadl for the ring buffer */
 	DPRINT_DBG(VMBUS, "Establishing ring buffer's gpadl for channel %p...",
diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/RingBuffer.c
index ee481fd972b..69f3ebae15a 100644
--- a/drivers/staging/hv/RingBuffer.c
+++ b/drivers/staging/hv/RingBuffer.c
@@ -301,7 +301,8 @@ Description:
 --*/
 int RingBufferInit(RING_BUFFER_INFO *RingInfo, void *Buffer, u32 BufferLen)
 {
-	ASSERT(sizeof(RING_BUFFER) == PAGE_SIZE);
+	if (sizeof(RING_BUFFER) != PAGE_SIZE)
+		return -EINVAL;
 
 	memset(RingInfo, 0, sizeof(RING_BUFFER_INFO));
 

From a16e1485c758c236915ac1956694d11bff5e5daa Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:50 -0400
Subject: [PATCH 1221/3638] staging: hv: remove ASSERT()s and return -EINVAL in
 RingBuffer.c

return -EINVAL instead of calling ASSERT() for these conditionals.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/RingBuffer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/RingBuffer.c
index 69f3ebae15a..64f8d0f9e05 100644
--- a/drivers/staging/hv/RingBuffer.c
+++ b/drivers/staging/hv/RingBuffer.c
@@ -490,7 +490,8 @@ int RingBufferRead(RING_BUFFER_INFO *InRingInfo, void *Buffer,
 	u64 prevIndices = 0;
 	unsigned long flags;
 
-	ASSERT(BufferLen > 0);
+	if (BufferLen <= 0)
+		return -EINVAL;
 
 	spin_lock_irqsave(&InRingInfo->ring_lock, flags);
 

From a3810b0ef61d23f37ace99ed0fb180b62fcb3f68 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:51 -0400
Subject: [PATCH 1222/3638] staging: hv: remove ASSERT()s in vmbus_drv.c

These ASSERT()s serve no purpose other than for debugging.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/vmbus_drv.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index d2a82aa3bbd..a715b3db87c 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -923,7 +923,7 @@ static void vmbus_msg_dpc(unsigned long data)
 
 	DPRINT_ENTER(VMBUS_DRV);
 
-	ASSERT(vmbus_drv_obj->OnMsgDpc != NULL);
+	/* ASSERT(vmbus_drv_obj->OnMsgDpc != NULL); */
 
 	/* Call to bus driver to handle interrupt */
 	vmbus_drv_obj->OnMsgDpc(&vmbus_drv_obj->Base);
@@ -940,7 +940,7 @@ static void vmbus_event_dpc(unsigned long data)
 
 	DPRINT_ENTER(VMBUS_DRV);
 
-	ASSERT(vmbus_drv_obj->OnEventDpc != NULL);
+	/* ASSERT(vmbus_drv_obj->OnEventDpc != NULL); */
 
 	/* Call to bus driver to handle interrupt */
 	vmbus_drv_obj->OnEventDpc(&vmbus_drv_obj->Base);
@@ -955,7 +955,7 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id)
 
 	DPRINT_ENTER(VMBUS_DRV);
 
-	ASSERT(vmbus_driver_obj->OnIsr != NULL);
+	/* ASSERT(vmbus_driver_obj->OnIsr != NULL); */
 
 	/* Call to bus driver to handle interrupt */
 	ret = vmbus_driver_obj->OnIsr(&vmbus_driver_obj->Base);

From 972b9529ccfa604bd473c43589f5120066161edd Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:54 -0400
Subject: [PATCH 1223/3638] staging: hv: remove ASSERT()s

These ASSERT()s serve no purpose other than for debugging.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/BlkVsc.c     |  2 +-
 drivers/staging/hv/Connection.c |  2 +-
 drivers/staging/hv/NetVsc.c     | 49 ++++++++++++++++-----------------
 3 files changed, 26 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/hv/BlkVsc.c b/drivers/staging/hv/BlkVsc.c
index a48ee3a1264..b2f600551f1 100644
--- a/drivers/staging/hv/BlkVsc.c
+++ b/drivers/staging/hv/BlkVsc.c
@@ -78,7 +78,7 @@ int BlkVscInitialize(struct hv_driver *Driver)
 	storDriver = (struct storvsc_driver_object *)Driver;
 
 	/* Make sure we are at least 2 pages since 1 page is used for control */
-	ASSERT(storDriver->RingBufferSize >= (PAGE_SIZE << 1));
+	/* ASSERT(storDriver->RingBufferSize >= (PAGE_SIZE << 1)); */
 
 	Driver->name = gBlkDriverName;
 	memcpy(&Driver->deviceType, &gBlkVscDeviceType, sizeof(struct hv_guid));
diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c
index e590eb4b6e7..3a01d3ca4ad 100644
--- a/drivers/staging/hv/Connection.c
+++ b/drivers/staging/hv/Connection.c
@@ -254,7 +254,7 @@ static void VmbusProcessChannelEvent(void *context)
 	struct vmbus_channel *channel;
 	u32 relId = (u32)(unsigned long)context;
 
-	ASSERT(relId > 0);
+	/* ASSERT(relId > 0); */
 
 	/*
 	 * Find the channel based on this relid and invokes the
diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index d3154e71177..9863ca252bd 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -131,7 +131,7 @@ static void PutNetDevice(struct hv_device *Device)
 	struct netvsc_device *netDevice;
 
 	netDevice = Device->Extension;
-	ASSERT(netDevice);
+	/* ASSERT(netDevice); */
 
 	atomic_dec(&netDevice->RefCount);
 }
@@ -184,14 +184,15 @@ int NetVscInitialize(struct hv_driver *drv)
 		   sizeof(struct vmtransfer_page_packet_header));
 
 	/* Make sure we are at least 2 pages since 1 page is used for control */
-	ASSERT(driver->RingBufferSize >= (PAGE_SIZE << 1));
+	/* ASSERT(driver->RingBufferSize >= (PAGE_SIZE << 1)); */
 
 	drv->name = gDriverName;
 	memcpy(&drv->deviceType, &gNetVscDeviceType, sizeof(struct hv_guid));
 
 	/* Make sure it is set by the caller */
-	ASSERT(driver->OnReceiveCallback);
-	ASSERT(driver->OnLinkStatusChanged);
+	/* FIXME: These probably should still be tested in some way */
+	/* ASSERT(driver->OnReceiveCallback); */
+	/* ASSERT(driver->OnLinkStatusChanged); */
 
 	/* Setup the dispatch table */
 	driver->Base.OnDeviceAdd	= NetVscOnDeviceAdd;
@@ -222,9 +223,9 @@ static int NetVscInitializeReceiveBufferWithNetVsp(struct hv_device *Device)
 		DPRINT_EXIT(NETVSC);
 		return -1;
 	}
-	ASSERT(netDevice->ReceiveBufferSize > 0);
+	/* ASSERT(netDevice->ReceiveBufferSize > 0); */
 	/* page-size grandularity */
-	ASSERT((netDevice->ReceiveBufferSize & (PAGE_SIZE - 1)) == 0);
+	/* ASSERT((netDevice->ReceiveBufferSize & (PAGE_SIZE - 1)) == 0); */
 
 	netDevice->ReceiveBuffer =
 		osd_PageAlloc(netDevice->ReceiveBufferSize >> PAGE_SHIFT);
@@ -236,8 +237,8 @@ static int NetVscInitializeReceiveBufferWithNetVsp(struct hv_device *Device)
 		goto Cleanup;
 	}
 	/* page-aligned buffer */
-	ASSERT(((unsigned long)netDevice->ReceiveBuffer & (PAGE_SIZE - 1)) ==
-		0);
+	/* ASSERT(((unsigned long)netDevice->ReceiveBuffer & (PAGE_SIZE - 1)) == */
+	/* 	0); */
 
 	DPRINT_INFO(NETVSC, "Establishing receive buffer's GPADL...");
 
@@ -294,8 +295,8 @@ static int NetVscInitializeReceiveBufferWithNetVsp(struct hv_device *Device)
 	}
 
 	/* Parse the response */
-	ASSERT(netDevice->ReceiveSectionCount == 0);
-	ASSERT(netDevice->ReceiveSections == NULL);
+	/* ASSERT(netDevice->ReceiveSectionCount == 0); */
+	/* ASSERT(netDevice->ReceiveSections == NULL); */
 
 	netDevice->ReceiveSectionCount = initPacket->Messages.Version1Messages.SendReceiveBufferComplete.NumSections;
 
@@ -355,7 +356,7 @@ static int NetVscInitializeSendBufferWithNetVsp(struct hv_device *Device)
 	}
 	ASSERT(netDevice->SendBufferSize > 0);
 	/* page-size grandularity */
-	ASSERT((netDevice->SendBufferSize & (PAGE_SIZE - 1)) == 0);
+	/* ASSERT((netDevice->SendBufferSize & (PAGE_SIZE - 1)) == 0); */
 
 	netDevice->SendBuffer =
 		osd_PageAlloc(netDevice->SendBufferSize >> PAGE_SHIFT);
@@ -366,7 +367,7 @@ static int NetVscInitializeSendBufferWithNetVsp(struct hv_device *Device)
 		goto Cleanup;
 	}
 	/* page-aligned buffer */
-	ASSERT(((unsigned long)netDevice->SendBuffer & (PAGE_SIZE - 1)) == 0);
+	/* ASSERT(((unsigned long)netDevice->SendBuffer & (PAGE_SIZE - 1)) == 0); */
 
 	DPRINT_INFO(NETVSC, "Establishing send buffer's GPADL...");
 
@@ -912,7 +913,7 @@ static void NetVscOnSendCompletion(struct hv_device *Device,
 		   NvspMessage1TypeSendRNDISPacketComplete) {
 		/* Get the send context */
 		nvscPacket = (struct hv_netvsc_packet *)(unsigned long)Packet->TransactionId;
-		ASSERT(nvscPacket);
+		/* ASSERT(nvscPacket); */
 
 		/* Notify the layer above us */
 		nvscPacket->Completion.Send.OnSendCompletion(nvscPacket->Completion.Send.SendCompletionContext);
@@ -1096,8 +1097,8 @@ static void NetVscOnReceive(struct hv_device *Device,
 
 	/* This is how much we can satisfy */
 	xferpagePacket->Count = count - 1;
-	ASSERT(xferpagePacket->Count > 0 && xferpagePacket->Count <=
-		vmxferpagePacket->RangeCount);
+	/* ASSERT(xferpagePacket->Count > 0 && xferpagePacket->Count <= */
+	/* 	vmxferpagePacket->RangeCount); */
 
 	if (xferpagePacket->Count != vmxferpagePacket->RangeCount) {
 		DPRINT_INFO(NETVSC, "Needed %d netvsc pkts to satisy this xfer "
@@ -1125,9 +1126,9 @@ static void NetVscOnReceive(struct hv_device *Device,
 					vmxferpagePacket->Ranges[i].ByteCount;
 		netvscPacket->PageBufferCount = 1;
 
-		ASSERT(vmxferpagePacket->Ranges[i].ByteOffset +
-			vmxferpagePacket->Ranges[i].ByteCount <
-			netDevice->ReceiveBufferSize);
+		/* ASSERT(vmxferpagePacket->Ranges[i].ByteOffset + */
+		/* 	vmxferpagePacket->Ranges[i].ByteCount < */
+		/* 	netDevice->ReceiveBufferSize); */
 
 		netvscPacket->PageBuffers[0].Length =
 					vmxferpagePacket->Ranges[i].ByteCount;
@@ -1165,7 +1166,7 @@ static void NetVscOnReceive(struct hv_device *Device,
 				if (bytesRemain == 0)
 					break;
 			}
-			ASSERT(bytesRemain == 0);
+			/* ASSERT(bytesRemain == 0); */
 		}
 		DPRINT_DBG(NETVSC, "[%d] - (abs offset %u len %u) => "
 			   "(pfn %llx, offset %u, len %u)", i,
@@ -1181,7 +1182,7 @@ static void NetVscOnReceive(struct hv_device *Device,
 		NetVscOnReceiveCompletion(netvscPacket->Completion.Recv.ReceiveCompletionContext);
 	}
 
-	ASSERT(list_empty(&listHead));
+	/* ASSERT(list_empty(&listHead)); */
 
 	PutNetDevice(Device);
 	DPRINT_EXIT(NETVSC);
@@ -1245,7 +1246,7 @@ static void NetVscOnReceiveCompletion(void *Context)
 
 	DPRINT_ENTER(NETVSC);
 
-	ASSERT(packet->XferPagePacket);
+	/* ASSERT(packet->XferPagePacket); */
 
 	/*
 	 * Even though it seems logical to do a GetOutboundNetDevice() here to
@@ -1263,7 +1264,7 @@ static void NetVscOnReceiveCompletion(void *Context)
 	/* Overloading use of the lock. */
 	spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags);
 
-	ASSERT(packet->XferPagePacket->Count > 0);
+	/* ASSERT(packet->XferPagePacket->Count > 0); */
 	packet->XferPagePacket->Count--;
 
 	/*
@@ -1305,7 +1306,7 @@ static void NetVscOnChannelCallback(void *Context)
 
 	DPRINT_ENTER(NETVSC);
 
-	ASSERT(device);
+	/* ASSERT(device); */
 
 	packet = kzalloc(NETVSC_PACKET_SIZE * sizeof(unsigned char),
 			 GFP_KERNEL);
@@ -1377,8 +1378,6 @@ static void NetVscOnChannelCallback(void *Context)
 			}
 
 			bufferlen = bytesRecvd;
-		} else {
-			ASSERT(0);
 		}
 	} while (1);
 

From 7a09876d2a68aab6c7a7d9df60eb0eb13467af11 Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:55 -0400
Subject: [PATCH 1224/3638] staging: hv: replace ASSERT() with WARN_ON() in
 NetVsc.c

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/NetVsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index 9863ca252bd..ddde39136b6 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -92,7 +92,7 @@ static struct netvsc_device *AllocNetDevice(struct hv_device *Device)
 
 static void FreeNetDevice(struct netvsc_device *Device)
 {
-	ASSERT(atomic_read(&Device->RefCount) == 0);
+	WARN_ON(atomic_read(&Device->RefCount) == 0);
 	Device->Device->Extension = NULL;
 	kfree(Device);
 }

From 790696847dfad8b2d968ce82cc1be58ebacefead Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:56 -0400
Subject: [PATCH 1225/3638] staging: hv: remove ASSERT() and return -EINVAL in
 NetVsc.c

return -EINVAL instead of calling ASSERT()

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/NetVsc.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index ddde39136b6..f852984950a 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -354,7 +354,11 @@ static int NetVscInitializeSendBufferWithNetVsp(struct hv_device *Device)
 		DPRINT_EXIT(NETVSC);
 		return -1;
 	}
-	ASSERT(netDevice->SendBufferSize > 0);
+	if (netDevice->SendBufferSize <= 0) {
+		ret = -EINVAL;
+		goto Cleanup;
+	}
+
 	/* page-size grandularity */
 	/* ASSERT((netDevice->SendBufferSize & (PAGE_SIZE - 1)) == 0); */
 

From e8d5373d664caacce2d7623810c91b43f08eabab Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Wed, 5 May 2010 15:27:57 -0400
Subject: [PATCH 1226/3638] staging: hv: remove ASSERT in logging.h

ASSERT is no longer used in hv, so remove the define

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/logging.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/staging/hv/logging.h b/drivers/staging/hv/logging.h
index 9e55617bd67..ad4cfcfb7b1 100644
--- a/drivers/staging/hv/logging.h
+++ b/drivers/staging/hv/logging.h
@@ -61,13 +61,6 @@
 
 extern unsigned int vmbus_loglevel;
 
-#define ASSERT(expr)	\
-	if (!(expr)) {	\
-		printk(KERN_CRIT "Assertion failed! %s,%s,%s,line=%d\n", \
-		       #expr, __FILE__, __func__, __LINE__);	\
-		__asm__ __volatile__("int3");	\
-	}
-
 #define DPRINT(mod, lvl, fmt, args...) do {\
 	if ((mod & (HIWORD(vmbus_loglevel))) &&	\
 	    (lvl <= LOWORD(vmbus_loglevel)))	\

From e61fbe66cbe10fed6bcc2d07ac802a7386b93673 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 21:04:19 -0700
Subject: [PATCH 1227/3638] Staging: hv: Channel.c: fix up compiler warning

In the series of ASSERT removals, somehow we ended up with a compiler
warning in Channel.c.  This patch fixes that up.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Channel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index 158f62d8553..eab7d16dd5e 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -376,7 +376,7 @@ static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
 	struct vmbus_channel_gpadl_header *gpaHeader;
 	struct vmbus_channel_gpadl_body *gpadlBody;
 	struct vmbus_channel_msginfo *msgHeader;
-	struct vmbus_channel_msginfo *msgBody;
+	struct vmbus_channel_msginfo *msgBody = NULL;
 	u32 msgSize;
 
 	int pfnSum, pfnCount, pfnLeft, pfnCurr, pfnSize;

From 39c4e9c37894feb1525fac4bb75e8c919042473b Mon Sep 17 00:00:00 2001
From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Wed, 5 May 2010 19:23:46 +0000
Subject: [PATCH 1228/3638] Staging: hv: Add Time Sync feature to hv_utils
 module.

The Time Sync feature synchronizes guest time to host UTC time after reboot,
and restore from saved/paused state.

Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/ChannelMgmt.c  | 24 ++++++++-
 drivers/staging/hv/hyperv_utils.c | 84 +++++++++++++++++++++++++++++++
 drivers/staging/hv/utils.h        | 25 ++++++++-
 3 files changed, 130 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/ChannelMgmt.c
index 05e6699e3c7..36982301388 100644
--- a/drivers/staging/hv/ChannelMgmt.c
+++ b/drivers/staging/hv/ChannelMgmt.c
@@ -33,8 +33,8 @@ struct vmbus_channel_message_table_entry {
 	void (*messageHandler)(struct vmbus_channel_message_header *msg);
 };
 
-#define MAX_MSG_TYPES                    1
-#define MAX_NUM_DEVICE_CLASSES_SUPPORTED 5
+#define MAX_MSG_TYPES                    2
+#define MAX_NUM_DEVICE_CLASSES_SUPPORTED 6
 
 static const struct hv_guid
 	gSupportedDeviceClasses[MAX_NUM_DEVICE_CLASSES_SUPPORTED] = {
@@ -81,6 +81,14 @@ static const struct hv_guid
 			0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB
 		}
 	},
+	/* {9527E630-D0AE-497b-ADCE-E80AB0175CAF} */
+	/* TimeSync */
+	{
+		.data = {
+			0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
+			0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf
+		}
+	},
 };
 
 
@@ -191,6 +199,18 @@ struct hyperv_service_callback hv_cb_utils[MAX_MSG_TYPES] = {
 		.callback = chn_cb_negotiate,
 		.log_msg = "Shutdown channel functionality initialized"
 	},
+
+	/* {9527E630-D0AE-497b-ADCE-E80AB0175CAF} */
+	/* TimeSync */
+	{
+		.msg_type = HV_TIMESYNC_MSG,
+		.data = {
+			0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
+			0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf
+		},
+		.callback = chn_cb_negotiate,
+		.log_msg = "Timesync channel functionality initialized"
+	},
 };
 EXPORT_SYMBOL(hv_cb_utils);
 
diff --git a/drivers/staging/hv/hyperv_utils.c b/drivers/staging/hv/hyperv_utils.c
index cbebad3e40a..9174f79a7d3 100644
--- a/drivers/staging/hv/hyperv_utils.c
+++ b/drivers/staging/hv/hyperv_utils.c
@@ -106,6 +106,82 @@ static void shutdown_onchannelcallback(void *context)
 		orderly_poweroff(false);
 }
 
+
+/*
+ * Synchronize time with host after reboot, restore, etc.
+ */
+static void adj_guesttime(winfiletime_t hosttime, u8 flags)
+{
+	s64 host_tns;
+	struct timespec host_ts;
+	static s32 scnt = 50;
+
+	host_tns = (hosttime - WLTIMEDELTA) * 100;
+	host_ts = ns_to_timespec(host_tns);
+
+	if ((flags & ICTIMESYNCFLAG_SYNC) != 0) {
+		do_settimeofday(&host_ts);
+		return;
+	}
+
+	if ((flags & ICTIMESYNCFLAG_SAMPLE) != 0 &&
+	    scnt > 0) {
+		scnt--;
+		do_settimeofday(&host_ts);
+	}
+
+	return;
+}
+
+/*
+ * Time Sync Channel message handler.
+ */
+static void timesync_onchannelcallback(void *context)
+{
+	struct vmbus_channel *channel = context;
+	u8 *buf;
+	u32 buflen, recvlen;
+	u64 requestid;
+	struct icmsg_hdr *icmsghdrp;
+	struct ictimesync_data *timedatap;
+
+	DPRINT_ENTER(VMBUS);
+
+	buflen = PAGE_SIZE;
+	buf = kmalloc(buflen, GFP_ATOMIC);
+
+	VmbusChannelRecvPacket(channel, buf, buflen, &recvlen, &requestid);
+
+	if (recvlen > 0) {
+		DPRINT_DBG(VMBUS, "timesync packet: recvlen=%d, requestid=%lld",
+			recvlen, requestid);
+
+		icmsghdrp = (struct icmsg_hdr *)&buf[
+				sizeof(struct vmbuspipe_hdr)];
+
+		if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
+			prep_negotiate_resp(icmsghdrp, NULL, buf);
+		} else {
+			timedatap = (struct ictimesync_data *)&buf[
+				sizeof(struct vmbuspipe_hdr) +
+				sizeof(struct icmsg_hdr)];
+			adj_guesttime(timedatap->parenttime, timedatap->flags);
+		}
+
+		icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION
+			| ICMSGHDRFLAG_RESPONSE;
+
+		VmbusChannelSendPacket(channel, buf,
+				recvlen, requestid,
+				VmbusPacketTypeDataInBand, 0);
+	}
+
+	kfree(buf);
+
+	DPRINT_EXIT(VMBUS);
+}
+
+
 static int __init init_hyperv_utils(void)
 {
 	printk(KERN_INFO "Registering HyperV Utility Driver\n");
@@ -114,6 +190,10 @@ static int __init init_hyperv_utils(void)
 		&shutdown_onchannelcallback;
 	hv_cb_utils[HV_SHUTDOWN_MSG].callback = &shutdown_onchannelcallback;
 
+	hv_cb_utils[HV_TIMESYNC_MSG].channel->OnChannelCallback =
+		&timesync_onchannelcallback;
+	hv_cb_utils[HV_TIMESYNC_MSG].callback = &timesync_onchannelcallback;
+
 	return 0;
 }
 
@@ -124,6 +204,10 @@ static void exit_hyperv_utils(void)
 	hv_cb_utils[HV_SHUTDOWN_MSG].channel->OnChannelCallback =
 		&chn_cb_negotiate;
 	hv_cb_utils[HV_SHUTDOWN_MSG].callback = &chn_cb_negotiate;
+
+	hv_cb_utils[HV_TIMESYNC_MSG].channel->OnChannelCallback =
+		&chn_cb_negotiate;
+	hv_cb_utils[HV_TIMESYNC_MSG].callback = &chn_cb_negotiate;
 }
 
 module_init(init_hyperv_utils);
diff --git a/drivers/staging/hv/utils.h b/drivers/staging/hv/utils.h
index e404b21e9af..d1d2f282dd9 100644
--- a/drivers/staging/hv/utils.h
+++ b/drivers/staging/hv/utils.h
@@ -75,7 +75,30 @@ struct shutdown_msg_data {
 	u8  display_message[2048];
 } __attribute__((packed));
 
-#define HV_SHUTDOWN_MSG		0
+
+/* Time Sync IC defs */
+#define ICTIMESYNCFLAG_PROBE 0
+#define ICTIMESYNCFLAG_SYNC 1
+#define ICTIMESYNCFLAG_SAMPLE 2
+
+#ifdef __x86_64__
+#define WLTIMEDELTA 116444736000000000L  /* in 100ns unit */
+#else
+#define WLTIMEDELTA 116444736000000000LL
+#endif
+
+typedef u64 winfiletime_t; /* Windows FILETIME type */
+
+struct ictimesync_data{
+    winfiletime_t parenttime;
+    winfiletime_t childtime;
+    winfiletime_t roundtriptime;
+    u8 flags;
+} __attribute__((packed));
+
+/* Index for each IC struct in array hv_cb_utils[] */
+#define HV_SHUTDOWN_MSG 0
+#define HV_TIMESYNC_MSG 1
 
 struct hyperv_service_callback {
 	u8 msg_type;

From 733371df3db375cb66280911162b9746b0436d68 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:00:45 -0700
Subject: [PATCH 1229/3638] Staging: hv: remove typedef that was just added.

It's a u64, so use a u64, it's not some special typedef.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/hyperv_utils.c | 2 +-
 drivers/staging/hv/utils.h        | 8 +++-----
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/hv/hyperv_utils.c b/drivers/staging/hv/hyperv_utils.c
index 9174f79a7d3..d3fc33e9627 100644
--- a/drivers/staging/hv/hyperv_utils.c
+++ b/drivers/staging/hv/hyperv_utils.c
@@ -110,7 +110,7 @@ static void shutdown_onchannelcallback(void *context)
 /*
  * Synchronize time with host after reboot, restore, etc.
  */
-static void adj_guesttime(winfiletime_t hosttime, u8 flags)
+static void adj_guesttime(u64 hosttime, u8 flags)
 {
 	s64 host_tns;
 	struct timespec host_ts;
diff --git a/drivers/staging/hv/utils.h b/drivers/staging/hv/utils.h
index d1d2f282dd9..ecbeab69a23 100644
--- a/drivers/staging/hv/utils.h
+++ b/drivers/staging/hv/utils.h
@@ -87,12 +87,10 @@ struct shutdown_msg_data {
 #define WLTIMEDELTA 116444736000000000LL
 #endif
 
-typedef u64 winfiletime_t; /* Windows FILETIME type */
-
 struct ictimesync_data{
-    winfiletime_t parenttime;
-    winfiletime_t childtime;
-    winfiletime_t roundtriptime;
+    u64 parenttime;
+    u64 childtime;
+    u64 roundtriptime;
     u8 flags;
 } __attribute__((packed));
 

From 25e2831dc459a45424f1dbdce7556d3ab5bc012d Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:03:22 -0700
Subject: [PATCH 1230/3638] Staging: hv: util.h: fix up space mess again

Again, use tabs, not spaces, it's not difficult to remember...

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/utils.h | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/hv/utils.h b/drivers/staging/hv/utils.h
index ecbeab69a23..a4b9fd06e27 100644
--- a/drivers/staging/hv/utils.h
+++ b/drivers/staging/hv/utils.h
@@ -77,26 +77,26 @@ struct shutdown_msg_data {
 
 
 /* Time Sync IC defs */
-#define ICTIMESYNCFLAG_PROBE 0
-#define ICTIMESYNCFLAG_SYNC 1
-#define ICTIMESYNCFLAG_SAMPLE 2
+#define ICTIMESYNCFLAG_PROBE	0
+#define ICTIMESYNCFLAG_SYNC	1
+#define ICTIMESYNCFLAG_SAMPLE	2
 
 #ifdef __x86_64__
-#define WLTIMEDELTA 116444736000000000L  /* in 100ns unit */
+#define WLTIMEDELTA	116444736000000000L	/* in 100ns unit */
 #else
-#define WLTIMEDELTA 116444736000000000LL
+#define WLTIMEDELTA	116444736000000000LL
 #endif
 
 struct ictimesync_data{
-    u64 parenttime;
-    u64 childtime;
-    u64 roundtriptime;
-    u8 flags;
+	u64 parenttime;
+	u64 childtime;
+	u64 roundtriptime;
+	u8 flags;
 } __attribute__((packed));
 
 /* Index for each IC struct in array hv_cb_utils[] */
-#define HV_SHUTDOWN_MSG 0
-#define HV_TIMESYNC_MSG 1
+#define HV_SHUTDOWN_MSG		0
+#define HV_TIMESYNC_MSG		1
 
 struct hyperv_service_callback {
 	u8 msg_type;

From d2124f293b77355669eaa880e85dd35f56ccab7e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:10:26 -0700
Subject: [PATCH 1231/3638] Staging: hv: rename hyperv_utils.c to hv_utils.c

As the module only has one .c file in it, just name the file
the same as the desired module.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile                       | 1 -
 drivers/staging/hv/{hyperv_utils.c => hv_utils.c} | 0
 2 files changed, 1 deletion(-)
 rename drivers/staging/hv/{hyperv_utils.c => hv_utils.c} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 7a57a886ab1..1ac50833fc0 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -10,4 +10,3 @@ hv_vmbus-objs := vmbus_drv.o osd.o \
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
 hv_netvsc-objs := netvsc_drv.o NetVsc.o RndisFilter.o
-hv_utils-objs := hyperv_utils.o
diff --git a/drivers/staging/hv/hyperv_utils.c b/drivers/staging/hv/hv_utils.c
similarity index 100%
rename from drivers/staging/hv/hyperv_utils.c
rename to drivers/staging/hv/hv_utils.c

From 0d695f2b8fc8d6eaa85bd8317956a8307f9d0920 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:14:22 -0700
Subject: [PATCH 1232/3638] Staging: hv: rename Hv.c to hv.c

No CamelCase in file names.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile       | 2 +-
 drivers/staging/hv/{Hv.c => hv.c} | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename drivers/staging/hv/{Hv.c => hv.c} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 1ac50833fc0..42c5069cc64 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_HYPERV_NET)	+= hv_netvsc.o
 obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o \
-		 Vmbus.o Hv.o Connection.o Channel.o \
+		 Vmbus.o hv.o Connection.o Channel.o \
 		 ChannelMgmt.o ChannelInterface.o RingBuffer.o
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
diff --git a/drivers/staging/hv/Hv.c b/drivers/staging/hv/hv.c
similarity index 100%
rename from drivers/staging/hv/Hv.c
rename to drivers/staging/hv/hv.c

From 7e8ad49f131cf9bf16b6e68237674e8f7c8dc6ca Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:16:10 -0700
Subject: [PATCH 1233/3638] Staging: hv: rename Hv.h to hv.h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/VmbusPrivate.h | 2 +-
 drivers/staging/hv/{Hv.h => hv.h} | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename drivers/staging/hv/{Hv.h => hv.h} (100%)

diff --git a/drivers/staging/hv/VmbusPrivate.h b/drivers/staging/hv/VmbusPrivate.h
index 05ad2c9380d..534aa648bfd 100644
--- a/drivers/staging/hv/VmbusPrivate.h
+++ b/drivers/staging/hv/VmbusPrivate.h
@@ -25,7 +25,7 @@
 #ifndef _VMBUS_PRIVATE_H_
 #define _VMBUS_PRIVATE_H_
 
-#include "Hv.h"
+#include "hv.h"
 #include "VmbusApi.h"
 #include "Channel.h"
 #include "ChannelMgmt.h"
diff --git a/drivers/staging/hv/Hv.h b/drivers/staging/hv/hv.h
similarity index 100%
rename from drivers/staging/hv/Hv.h
rename to drivers/staging/hv/hv.h

From 4df90be54d9bcd2ff55d3b4c720dbab32ca6d690 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:18:38 -0700
Subject: [PATCH 1234/3638] Staging: hv: rename Channel.c and .h to channel.c
 and .h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile                 | 2 +-
 drivers/staging/hv/VmbusPrivate.h           | 2 +-
 drivers/staging/hv/{Channel.c => channel.c} | 0
 drivers/staging/hv/{Channel.h => channel.h} | 0
 drivers/staging/hv/hv_utils.c               | 2 +-
 5 files changed, 3 insertions(+), 3 deletions(-)
 rename drivers/staging/hv/{Channel.c => channel.c} (100%)
 rename drivers/staging/hv/{Channel.h => channel.h} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 42c5069cc64..3c15c731f96 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_HYPERV_NET)	+= hv_netvsc.o
 obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o \
-		 Vmbus.o hv.o Connection.o Channel.o \
+		 Vmbus.o hv.o Connection.o channel.o \
 		 ChannelMgmt.o ChannelInterface.o RingBuffer.o
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
diff --git a/drivers/staging/hv/VmbusPrivate.h b/drivers/staging/hv/VmbusPrivate.h
index 534aa648bfd..f03db0b6e88 100644
--- a/drivers/staging/hv/VmbusPrivate.h
+++ b/drivers/staging/hv/VmbusPrivate.h
@@ -27,7 +27,7 @@
 
 #include "hv.h"
 #include "VmbusApi.h"
-#include "Channel.h"
+#include "channel.h"
 #include "ChannelMgmt.h"
 #include "ChannelInterface.h"
 #include "RingBuffer.h"
diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/channel.c
similarity index 100%
rename from drivers/staging/hv/Channel.c
rename to drivers/staging/hv/channel.c
diff --git a/drivers/staging/hv/Channel.h b/drivers/staging/hv/channel.h
similarity index 100%
rename from drivers/staging/hv/Channel.h
rename to drivers/staging/hv/channel.h
diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index d3fc33e9627..6ccaea27d75 100644
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -31,7 +31,7 @@
 #include "VmbusPacketFormat.h"
 #include "VmbusChannelInterface.h"
 #include "VersionInfo.h"
-#include "Channel.h"
+#include "channel.h"
 #include "VmbusPrivate.h"
 #include "VmbusApi.h"
 #include "utils.h"

From 55e9643e6c486b589279576877838ffd8ed04a68 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:19:40 -0700
Subject: [PATCH 1235/3638] Staging: hv: rename Connection.c to connection.c

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile                       | 2 +-
 drivers/staging/hv/{Connection.c => connection.c} | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename drivers/staging/hv/{Connection.c => connection.c} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 3c15c731f96..91955095f9e 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_HYPERV_NET)	+= hv_netvsc.o
 obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o \
-		 Vmbus.o hv.o Connection.o channel.o \
+		 Vmbus.o hv.o connection.o channel.o \
 		 ChannelMgmt.o ChannelInterface.o RingBuffer.o
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/connection.c
similarity index 100%
rename from drivers/staging/hv/Connection.c
rename to drivers/staging/hv/connection.c

From 8f078ca6e7e1a5457aef5196e7154aa468094120 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:22:35 -0700
Subject: [PATCH 1236/3638] Staging: hv: rename RingBuffer.c and .h to
 ring_buffer.c and .h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/ChannelMgmt.h                   | 2 +-
 drivers/staging/hv/Makefile                        | 2 +-
 drivers/staging/hv/VmbusPrivate.h                  | 2 +-
 drivers/staging/hv/{RingBuffer.c => ring_buffer.c} | 2 +-
 drivers/staging/hv/{RingBuffer.h => ring_buffer.h} | 0
 5 files changed, 4 insertions(+), 4 deletions(-)
 rename drivers/staging/hv/{RingBuffer.c => ring_buffer.c} (99%)
 rename drivers/staging/hv/{RingBuffer.h => ring_buffer.h} (100%)

diff --git a/drivers/staging/hv/ChannelMgmt.h b/drivers/staging/hv/ChannelMgmt.h
index fa973d86b62..9219199d0e5 100644
--- a/drivers/staging/hv/ChannelMgmt.h
+++ b/drivers/staging/hv/ChannelMgmt.h
@@ -27,7 +27,7 @@
 
 #include <linux/list.h>
 #include <linux/timer.h>
-#include "RingBuffer.h"
+#include "ring_buffer.h"
 #include "VmbusChannelInterface.h"
 #include "VmbusPacketFormat.h"
 
diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 91955095f9e..faa8db1d86c 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -6,7 +6,7 @@ obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o \
 		 Vmbus.o hv.o connection.o channel.o \
-		 ChannelMgmt.o ChannelInterface.o RingBuffer.o
+		 ChannelMgmt.o ChannelInterface.o ring_buffer.o
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
 hv_netvsc-objs := netvsc_drv.o NetVsc.o RndisFilter.o
diff --git a/drivers/staging/hv/VmbusPrivate.h b/drivers/staging/hv/VmbusPrivate.h
index f03db0b6e88..d73baff99a7 100644
--- a/drivers/staging/hv/VmbusPrivate.h
+++ b/drivers/staging/hv/VmbusPrivate.h
@@ -30,7 +30,7 @@
 #include "channel.h"
 #include "ChannelMgmt.h"
 #include "ChannelInterface.h"
-#include "RingBuffer.h"
+#include "ring_buffer.h"
 #include <linux/list.h>
 
 
diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/ring_buffer.c
similarity index 99%
rename from drivers/staging/hv/RingBuffer.c
rename to drivers/staging/hv/ring_buffer.c
index 64f8d0f9e05..ae2a10e24d9 100644
--- a/drivers/staging/hv/RingBuffer.c
+++ b/drivers/staging/hv/ring_buffer.c
@@ -25,7 +25,7 @@
 #include <linux/mm.h>
 #include "osd.h"
 #include "logging.h"
-#include "RingBuffer.h"
+#include "ring_buffer.h"
 
 
 /* #defines */
diff --git a/drivers/staging/hv/RingBuffer.h b/drivers/staging/hv/ring_buffer.h
similarity index 100%
rename from drivers/staging/hv/RingBuffer.h
rename to drivers/staging/hv/ring_buffer.h

From 376a045f3a90ce4ca02aa9c32ea3c81332c10ecc Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:24:25 -0700
Subject: [PATCH 1237/3638] Staging: hv: rename BlkVsc.c to blkvsc.c

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile               | 2 +-
 drivers/staging/hv/{BlkVsc.c => blkvsc.c} | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename drivers/staging/hv/{BlkVsc.c => blkvsc.c} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index faa8db1d86c..6e8e8e82263 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -8,5 +8,5 @@ hv_vmbus-objs := vmbus_drv.o osd.o \
 		 Vmbus.o hv.o connection.o channel.o \
 		 ChannelMgmt.o ChannelInterface.o ring_buffer.o
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
-hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
+hv_blkvsc-objs := blkvsc_drv.o blkvsc.o
 hv_netvsc-objs := netvsc_drv.o NetVsc.o RndisFilter.o
diff --git a/drivers/staging/hv/BlkVsc.c b/drivers/staging/hv/blkvsc.c
similarity index 100%
rename from drivers/staging/hv/BlkVsc.c
rename to drivers/staging/hv/blkvsc.c

From 98109c5a961ba77e0910a5bec66bd57a673fad52 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:25:23 -0700
Subject: [PATCH 1238/3638] Staging: hv: rename Vmbus.c to vmbus.c

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile             | 2 +-
 drivers/staging/hv/{Vmbus.c => vmbus.c} | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename drivers/staging/hv/{Vmbus.c => vmbus.c} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 6e8e8e82263..f58a4e7bf6d 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_HYPERV_NET)	+= hv_netvsc.o
 obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o \
-		 Vmbus.o hv.o connection.o channel.o \
+		 vmbus.o hv.o connection.o channel.o \
 		 ChannelMgmt.o ChannelInterface.o ring_buffer.o
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o blkvsc.o
diff --git a/drivers/staging/hv/Vmbus.c b/drivers/staging/hv/vmbus.c
similarity index 100%
rename from drivers/staging/hv/Vmbus.c
rename to drivers/staging/hv/vmbus.c

From af167ae9b27ee5ba19272739f9192709882ed4fa Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:27:31 -0700
Subject: [PATCH 1239/3638] Staging: hv: rename NetVsc.c and .h to netvsc.c and
 .h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile               | 2 +-
 drivers/staging/hv/RndisFilter.h          | 2 +-
 drivers/staging/hv/{NetVsc.c => netvsc.c} | 2 +-
 drivers/staging/hv/{NetVsc.h => netvsc.h} | 0
 4 files changed, 3 insertions(+), 3 deletions(-)
 rename drivers/staging/hv/{NetVsc.c => netvsc.c} (99%)
 rename drivers/staging/hv/{NetVsc.h => netvsc.h} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index f58a4e7bf6d..385eb90bd31 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -9,4 +9,4 @@ hv_vmbus-objs := vmbus_drv.o osd.o \
 		 ChannelMgmt.o ChannelInterface.o ring_buffer.o
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o blkvsc.o
-hv_netvsc-objs := netvsc_drv.o NetVsc.o RndisFilter.o
+hv_netvsc-objs := netvsc_drv.o netvsc.o RndisFilter.o
diff --git a/drivers/staging/hv/RndisFilter.h b/drivers/staging/hv/RndisFilter.h
index fa7dd79ddeb..764b9bf3e5d 100644
--- a/drivers/staging/hv/RndisFilter.h
+++ b/drivers/staging/hv/RndisFilter.h
@@ -27,7 +27,7 @@
 
 #define __struct_bcount(x)
 
-#include "NetVsc.h"
+#include "netvsc.h"
 
 #include "rndis.h"
 
diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/netvsc.c
similarity index 99%
rename from drivers/staging/hv/NetVsc.c
rename to drivers/staging/hv/netvsc.c
index f852984950a..1000989cc0a 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/netvsc.c
@@ -25,7 +25,7 @@
 #include <linux/slab.h>
 #include "osd.h"
 #include "logging.h"
-#include "NetVsc.h"
+#include "netvsc.h"
 #include "RndisFilter.h"
 
 
diff --git a/drivers/staging/hv/NetVsc.h b/drivers/staging/hv/netvsc.h
similarity index 100%
rename from drivers/staging/hv/NetVsc.h
rename to drivers/staging/hv/netvsc.h

From a73fd9802e976fbcb6b6f4bbe082f94ebe433ddf Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:29:27 -0700
Subject: [PATCH 1240/3638] Staging: hv: rename StorVsc.c to storvsc.c

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile                 | 2 +-
 drivers/staging/hv/blkvsc.c                 | 2 +-
 drivers/staging/hv/{StorVsc.c => storvsc.c} | 0
 3 files changed, 2 insertions(+), 2 deletions(-)
 rename drivers/staging/hv/{StorVsc.c => storvsc.c} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 385eb90bd31..cc75185e3b5 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -7,6 +7,6 @@ obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 hv_vmbus-objs := vmbus_drv.o osd.o \
 		 vmbus.o hv.o connection.o channel.o \
 		 ChannelMgmt.o ChannelInterface.o ring_buffer.o
-hv_storvsc-objs := storvsc_drv.o StorVsc.o
+hv_storvsc-objs := storvsc_drv.o storvsc.o
 hv_blkvsc-objs := blkvsc_drv.o blkvsc.o
 hv_netvsc-objs := netvsc_drv.o netvsc.o RndisFilter.o
diff --git a/drivers/staging/hv/blkvsc.c b/drivers/staging/hv/blkvsc.c
index b2f600551f1..0daebc472e6 100644
--- a/drivers/staging/hv/blkvsc.c
+++ b/drivers/staging/hv/blkvsc.c
@@ -23,7 +23,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include "osd.h"
-#include "StorVsc.c"
+#include "storvsc.c"
 
 static const char *gBlkDriverName = "blkvsc";
 
diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/storvsc.c
similarity index 100%
rename from drivers/staging/hv/StorVsc.c
rename to drivers/staging/hv/storvsc.c

From 043efcc31e78f4e61b2b8bc321bc9a3c498bf4d1 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:32:08 -0700
Subject: [PATCH 1241/3638] Staging: hv: rename RndisFilter.c and .h to
 rndis_filter.c and .h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile                          | 2 +-
 drivers/staging/hv/netvsc.c                          | 2 +-
 drivers/staging/hv/{RndisFilter.c => rndis_filter.c} | 2 +-
 drivers/staging/hv/{RndisFilter.h => rndis_filter.h} | 0
 4 files changed, 3 insertions(+), 3 deletions(-)
 rename drivers/staging/hv/{RndisFilter.c => rndis_filter.c} (99%)
 rename drivers/staging/hv/{RndisFilter.h => rndis_filter.h} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index cc75185e3b5..685a3200e04 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -9,4 +9,4 @@ hv_vmbus-objs := vmbus_drv.o osd.o \
 		 ChannelMgmt.o ChannelInterface.o ring_buffer.o
 hv_storvsc-objs := storvsc_drv.o storvsc.o
 hv_blkvsc-objs := blkvsc_drv.o blkvsc.o
-hv_netvsc-objs := netvsc_drv.o netvsc.o RndisFilter.o
+hv_netvsc-objs := netvsc_drv.o netvsc.o rndis_filter.o
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index 1000989cc0a..ba15059c45b 100644
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c
@@ -26,7 +26,7 @@
 #include "osd.h"
 #include "logging.h"
 #include "netvsc.h"
-#include "RndisFilter.h"
+#include "rndis_filter.h"
 
 
 /* Globals */
diff --git a/drivers/staging/hv/RndisFilter.c b/drivers/staging/hv/rndis_filter.c
similarity index 99%
rename from drivers/staging/hv/RndisFilter.c
rename to drivers/staging/hv/rndis_filter.c
index 597c972f22c..e6824e055c1 100644
--- a/drivers/staging/hv/RndisFilter.c
+++ b/drivers/staging/hv/rndis_filter.c
@@ -27,7 +27,7 @@
 #include "osd.h"
 #include "logging.h"
 #include "NetVscApi.h"
-#include "RndisFilter.h"
+#include "rndis_filter.h"
 
 /* Data types */
 struct rndis_filter_driver_object {
diff --git a/drivers/staging/hv/RndisFilter.h b/drivers/staging/hv/rndis_filter.h
similarity index 100%
rename from drivers/staging/hv/RndisFilter.h
rename to drivers/staging/hv/rndis_filter.h

From ff39524bc463e63003d824d4106eda83762d648b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:34:18 -0700
Subject: [PATCH 1242/3638] Staging: hv: rename ChannelMgmt.c and .h to
 channel_mgmt.c and .h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile                          | 2 +-
 drivers/staging/hv/VmbusPrivate.h                    | 2 +-
 drivers/staging/hv/channel.h                         | 2 +-
 drivers/staging/hv/{ChannelMgmt.c => channel_mgmt.c} | 0
 drivers/staging/hv/{ChannelMgmt.h => channel_mgmt.h} | 0
 5 files changed, 3 insertions(+), 3 deletions(-)
 rename drivers/staging/hv/{ChannelMgmt.c => channel_mgmt.c} (100%)
 rename drivers/staging/hv/{ChannelMgmt.h => channel_mgmt.h} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 685a3200e04..2f9ecd2a85f 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -6,7 +6,7 @@ obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o \
 		 vmbus.o hv.o connection.o channel.o \
-		 ChannelMgmt.o ChannelInterface.o ring_buffer.o
+		 channel_mgmt.o ChannelInterface.o ring_buffer.o
 hv_storvsc-objs := storvsc_drv.o storvsc.o
 hv_blkvsc-objs := blkvsc_drv.o blkvsc.o
 hv_netvsc-objs := netvsc_drv.o netvsc.o rndis_filter.o
diff --git a/drivers/staging/hv/VmbusPrivate.h b/drivers/staging/hv/VmbusPrivate.h
index d73baff99a7..6e82183e9d5 100644
--- a/drivers/staging/hv/VmbusPrivate.h
+++ b/drivers/staging/hv/VmbusPrivate.h
@@ -28,7 +28,7 @@
 #include "hv.h"
 #include "VmbusApi.h"
 #include "channel.h"
-#include "ChannelMgmt.h"
+#include "channel_mgmt.h"
 #include "ChannelInterface.h"
 #include "ring_buffer.h"
 #include <linux/list.h>
diff --git a/drivers/staging/hv/channel.h b/drivers/staging/hv/channel.h
index 6b283edcae6..acb2c556369 100644
--- a/drivers/staging/hv/channel.h
+++ b/drivers/staging/hv/channel.h
@@ -25,7 +25,7 @@
 #ifndef _CHANNEL_H_
 #define _CHANNEL_H_
 
-#include "ChannelMgmt.h"
+#include "channel_mgmt.h"
 
 /* The format must be the same as struct vmdata_gpa_direct */
 struct VMBUS_CHANNEL_PACKET_PAGE_BUFFER {
diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/channel_mgmt.c
similarity index 100%
rename from drivers/staging/hv/ChannelMgmt.c
rename to drivers/staging/hv/channel_mgmt.c
diff --git a/drivers/staging/hv/ChannelMgmt.h b/drivers/staging/hv/channel_mgmt.h
similarity index 100%
rename from drivers/staging/hv/ChannelMgmt.h
rename to drivers/staging/hv/channel_mgmt.h

From 5496c9c31d43633c85237d25d31c85cf735a8e7d Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:36:31 -0700
Subject: [PATCH 1243/3638] Staging: hv: rename ChannelInterface.c and .h to
 channel_interface.c and .h

All of the uppercase .c files are now gone.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/Makefile                                    | 2 +-
 drivers/staging/hv/VmbusPrivate.h                              | 2 +-
 drivers/staging/hv/{ChannelInterface.c => channel_interface.c} | 0
 drivers/staging/hv/{ChannelInterface.h => channel_interface.h} | 0
 4 files changed, 2 insertions(+), 2 deletions(-)
 rename drivers/staging/hv/{ChannelInterface.c => channel_interface.c} (100%)
 rename drivers/staging/hv/{ChannelInterface.h => channel_interface.h} (100%)

diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 2f9ecd2a85f..1866f80a45d 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -6,7 +6,7 @@ obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o \
 		 vmbus.o hv.o connection.o channel.o \
-		 channel_mgmt.o ChannelInterface.o ring_buffer.o
+		 channel_mgmt.o channel_interface.o ring_buffer.o
 hv_storvsc-objs := storvsc_drv.o storvsc.o
 hv_blkvsc-objs := blkvsc_drv.o blkvsc.o
 hv_netvsc-objs := netvsc_drv.o netvsc.o rndis_filter.o
diff --git a/drivers/staging/hv/VmbusPrivate.h b/drivers/staging/hv/VmbusPrivate.h
index 6e82183e9d5..57a116ca871 100644
--- a/drivers/staging/hv/VmbusPrivate.h
+++ b/drivers/staging/hv/VmbusPrivate.h
@@ -29,7 +29,7 @@
 #include "VmbusApi.h"
 #include "channel.h"
 #include "channel_mgmt.h"
-#include "ChannelInterface.h"
+#include "channel_interface.h"
 #include "ring_buffer.h"
 #include <linux/list.h>
 
diff --git a/drivers/staging/hv/ChannelInterface.c b/drivers/staging/hv/channel_interface.c
similarity index 100%
rename from drivers/staging/hv/ChannelInterface.c
rename to drivers/staging/hv/channel_interface.c
diff --git a/drivers/staging/hv/ChannelInterface.h b/drivers/staging/hv/channel_interface.h
similarity index 100%
rename from drivers/staging/hv/ChannelInterface.h
rename to drivers/staging/hv/channel_interface.h

From a82c7a2ad6e636c344bfde7c1fa22557ad96ee85 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:39:15 -0700
Subject: [PATCH 1244/3638] Staging: hv: rename NetVscApi.h to netvsc_api.h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/netvsc.h                      | 2 +-
 drivers/staging/hv/{NetVscApi.h => netvsc_api.h} | 0
 drivers/staging/hv/netvsc_drv.c                  | 2 +-
 drivers/staging/hv/rndis_filter.c                | 2 +-
 4 files changed, 3 insertions(+), 3 deletions(-)
 rename drivers/staging/hv/{NetVscApi.h => netvsc_api.h} (100%)

diff --git a/drivers/staging/hv/netvsc.h b/drivers/staging/hv/netvsc.h
index a6264db8388..05d2ceb9e5e 100644
--- a/drivers/staging/hv/netvsc.h
+++ b/drivers/staging/hv/netvsc.h
@@ -28,7 +28,7 @@
 #include <linux/list.h>
 #include "VmbusPacketFormat.h"
 #include "VmbusChannelInterface.h"
-#include "NetVscApi.h"
+#include "netvsc_api.h"
 
 
 #define NVSP_INVALID_PROTOCOL_VERSION	((u32)0xFFFFFFFF)
diff --git a/drivers/staging/hv/NetVscApi.h b/drivers/staging/hv/netvsc_api.h
similarity index 100%
rename from drivers/staging/hv/NetVscApi.h
rename to drivers/staging/hv/netvsc_api.h
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index a6584a87661..3a6fe251282 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -38,7 +38,7 @@
 #include "logging.h"
 #include "VersionInfo.h"
 #include "vmbus.h"
-#include "NetVscApi.h"
+#include "netvsc_api.h"
 
 struct net_device_context {
 	/* point back to our device context */
diff --git a/drivers/staging/hv/rndis_filter.c b/drivers/staging/hv/rndis_filter.c
index e6824e055c1..2c6ee8d4b6e 100644
--- a/drivers/staging/hv/rndis_filter.c
+++ b/drivers/staging/hv/rndis_filter.c
@@ -26,7 +26,7 @@
 
 #include "osd.h"
 #include "logging.h"
-#include "NetVscApi.h"
+#include "netvsc_api.h"
 #include "rndis_filter.h"
 
 /* Data types */

From bb96979310965cef680c90ba331126fd64e9265f Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:40:43 -0700
Subject: [PATCH 1245/3638] Staging: hv: rename StorVscApi.h to storvsc_api.h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/blkvsc_drv.c                    | 2 +-
 drivers/staging/hv/storvsc.c                       | 2 +-
 drivers/staging/hv/{StorVscApi.h => storvsc_api.h} | 0
 drivers/staging/hv/storvsc_drv.c                   | 2 +-
 4 files changed, 3 insertions(+), 3 deletions(-)
 rename drivers/staging/hv/{StorVscApi.h => storvsc_api.h} (100%)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 78fc348334e..3e7c75e0b14 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -34,7 +34,7 @@
 #include "logging.h"
 #include "VersionInfo.h"
 #include "vmbus.h"
-#include "StorVscApi.h"
+#include "storvsc_api.h"
 
 
 #define BLKVSC_MINORS	64
diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c
index e73130e49cc..3a8b54f5e2a 100644
--- a/drivers/staging/hv/storvsc.c
+++ b/drivers/staging/hv/storvsc.c
@@ -25,7 +25,7 @@
 #include <linux/delay.h>
 #include "osd.h"
 #include "logging.h"
-#include "StorVscApi.h"
+#include "storvsc_api.h"
 #include "VmbusPacketFormat.h"
 #include "vstorage.h"
 
diff --git a/drivers/staging/hv/StorVscApi.h b/drivers/staging/hv/storvsc_api.h
similarity index 100%
rename from drivers/staging/hv/StorVscApi.h
rename to drivers/staging/hv/storvsc_api.h
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index d9649e37e11..56b659bda37 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -35,7 +35,7 @@
 #include "logging.h"
 #include "VersionInfo.h"
 #include "vmbus.h"
-#include "StorVscApi.h"
+#include "storvsc_api.h"
 
 
 struct host_device_context {

From 447fc67e7a8c4d0afdffa3e4535c1a98a84e59ab Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:43:02 -0700
Subject: [PATCH 1246/3638] Staging: hv: rename VmbusApi.h to vmbus_api.h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/VmbusPrivate.h              | 2 +-
 drivers/staging/hv/channel_interface.h         | 2 +-
 drivers/staging/hv/hv_utils.c                  | 2 +-
 drivers/staging/hv/netvsc_api.h                | 2 +-
 drivers/staging/hv/storvsc_api.h               | 2 +-
 drivers/staging/hv/vmbus.h                     | 2 +-
 drivers/staging/hv/{VmbusApi.h => vmbus_api.h} | 0
 7 files changed, 6 insertions(+), 6 deletions(-)
 rename drivers/staging/hv/{VmbusApi.h => vmbus_api.h} (100%)

diff --git a/drivers/staging/hv/VmbusPrivate.h b/drivers/staging/hv/VmbusPrivate.h
index 57a116ca871..588c667a7f6 100644
--- a/drivers/staging/hv/VmbusPrivate.h
+++ b/drivers/staging/hv/VmbusPrivate.h
@@ -26,7 +26,7 @@
 #define _VMBUS_PRIVATE_H_
 
 #include "hv.h"
-#include "VmbusApi.h"
+#include "vmbus_api.h"
 #include "channel.h"
 #include "channel_mgmt.h"
 #include "channel_interface.h"
diff --git a/drivers/staging/hv/channel_interface.h b/drivers/staging/hv/channel_interface.h
index 27b7a253b71..6acaf6ce2c4 100644
--- a/drivers/staging/hv/channel_interface.h
+++ b/drivers/staging/hv/channel_interface.h
@@ -25,7 +25,7 @@
 #ifndef _CHANNEL_INTERFACE_H_
 #define _CHANNEL_INTERFACE_H_
 
-#include "VmbusApi.h"
+#include "vmbus_api.h"
 
 void GetChannelInterface(struct vmbus_channel_interface *ChannelInterface);
 
diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index 6ccaea27d75..d6f6dfa0367 100644
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -33,7 +33,7 @@
 #include "VersionInfo.h"
 #include "channel.h"
 #include "VmbusPrivate.h"
-#include "VmbusApi.h"
+#include "vmbus_api.h"
 #include "utils.h"
 
 
diff --git a/drivers/staging/hv/netvsc_api.h b/drivers/staging/hv/netvsc_api.h
index 91a4cd9965d..4b5b3ac458c 100644
--- a/drivers/staging/hv/netvsc_api.h
+++ b/drivers/staging/hv/netvsc_api.h
@@ -25,7 +25,7 @@
 #ifndef _NETVSC_API_H_
 #define _NETVSC_API_H_
 
-#include "VmbusApi.h"
+#include "vmbus_api.h"
 
 /* Fwd declaration */
 struct hv_netvsc_packet;
diff --git a/drivers/staging/hv/storvsc_api.h b/drivers/staging/hv/storvsc_api.h
index 126a8588edb..0063bde9a4b 100644
--- a/drivers/staging/hv/storvsc_api.h
+++ b/drivers/staging/hv/storvsc_api.h
@@ -25,7 +25,7 @@
 #ifndef _STORVSC_API_H_
 #define _STORVSC_API_H_
 
-#include "VmbusApi.h"
+#include "vmbus_api.h"
 
 /* Defines */
 #define STORVSC_RING_BUFFER_SIZE			(10*PAGE_SIZE)
diff --git a/drivers/staging/hv/vmbus.h b/drivers/staging/hv/vmbus.h
index 6404b8424be..0c6ee0f487f 100644
--- a/drivers/staging/hv/vmbus.h
+++ b/drivers/staging/hv/vmbus.h
@@ -26,7 +26,7 @@
 #define _VMBUS_H_
 
 #include <linux/device.h>
-#include "VmbusApi.h"
+#include "vmbus_api.h"
 
 struct driver_context {
 	struct hv_guid class_id;
diff --git a/drivers/staging/hv/VmbusApi.h b/drivers/staging/hv/vmbus_api.h
similarity index 100%
rename from drivers/staging/hv/VmbusApi.h
rename to drivers/staging/hv/vmbus_api.h

From 72daf320fb322dc200824e2be17e69553a53fc8a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:45:25 -0700
Subject: [PATCH 1247/3638] Staging: hv: rename VmbusPrivate.h to
 vmbus_private.h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/channel.c                           | 2 +-
 drivers/staging/hv/channel_interface.c                 | 2 +-
 drivers/staging/hv/channel_mgmt.c                      | 2 +-
 drivers/staging/hv/connection.c                        | 2 +-
 drivers/staging/hv/hv.c                                | 2 +-
 drivers/staging/hv/hv_utils.c                          | 2 +-
 drivers/staging/hv/vmbus.c                             | 2 +-
 drivers/staging/hv/{VmbusPrivate.h => vmbus_private.h} | 0
 8 files changed, 7 insertions(+), 7 deletions(-)
 rename drivers/staging/hv/{VmbusPrivate.h => vmbus_private.h} (100%)

diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c
index eab7d16dd5e..12c351e1636 100644
--- a/drivers/staging/hv/channel.c
+++ b/drivers/staging/hv/channel.c
@@ -24,7 +24,7 @@
 #include <linux/module.h>
 #include "osd.h"
 #include "logging.h"
-#include "VmbusPrivate.h"
+#include "vmbus_private.h"
 
 /* Internal routines */
 static int VmbusChannelCreateGpadlHeader(
diff --git a/drivers/staging/hv/channel_interface.c b/drivers/staging/hv/channel_interface.c
index 019b064f7cb..d9f51ac75ea 100644
--- a/drivers/staging/hv/channel_interface.c
+++ b/drivers/staging/hv/channel_interface.c
@@ -23,7 +23,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include "osd.h"
-#include "VmbusPrivate.h"
+#include "vmbus_private.h"
 
 static int IVmbusChannelOpen(struct hv_device *device, u32 SendBufferSize,
 			     u32 RecvRingBufferSize, void *UserData,
diff --git a/drivers/staging/hv/channel_mgmt.c b/drivers/staging/hv/channel_mgmt.c
index 36982301388..6877e8e7f71 100644
--- a/drivers/staging/hv/channel_mgmt.c
+++ b/drivers/staging/hv/channel_mgmt.c
@@ -25,7 +25,7 @@
 #include <linux/module.h>
 #include "osd.h"
 #include "logging.h"
-#include "VmbusPrivate.h"
+#include "vmbus_private.h"
 #include "utils.h"
 
 struct vmbus_channel_message_table_entry {
diff --git a/drivers/staging/hv/connection.c b/drivers/staging/hv/connection.c
index 3a01d3ca4ad..e8824dadffc 100644
--- a/drivers/staging/hv/connection.c
+++ b/drivers/staging/hv/connection.c
@@ -26,7 +26,7 @@
 #include <linux/vmalloc.h>
 #include "osd.h"
 #include "logging.h"
-#include "VmbusPrivate.h"
+#include "vmbus_private.h"
 
 
 struct VMBUS_CONNECTION gVmbusConnection = {
diff --git a/drivers/staging/hv/hv.c b/drivers/staging/hv/hv.c
index 2418651772b..6c77e64027f 100644
--- a/drivers/staging/hv/hv.c
+++ b/drivers/staging/hv/hv.c
@@ -25,7 +25,7 @@
 #include <linux/vmalloc.h>
 #include "osd.h"
 #include "logging.h"
-#include "VmbusPrivate.h"
+#include "vmbus_private.h"
 
 /* The one and only */
 struct hv_context gHvContext = {
diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index d6f6dfa0367..5ab1b06c457 100644
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -32,7 +32,7 @@
 #include "VmbusChannelInterface.h"
 #include "VersionInfo.h"
 #include "channel.h"
-#include "VmbusPrivate.h"
+#include "vmbus_private.h"
 #include "vmbus_api.h"
 #include "utils.h"
 
diff --git a/drivers/staging/hv/vmbus.c b/drivers/staging/hv/vmbus.c
index 90b14beec3a..296c38ff5a4 100644
--- a/drivers/staging/hv/vmbus.c
+++ b/drivers/staging/hv/vmbus.c
@@ -25,7 +25,7 @@
 #include "osd.h"
 #include "logging.h"
 #include "VersionInfo.h"
-#include "VmbusPrivate.h"
+#include "vmbus_private.h"
 
 static const char *gDriverName = "vmbus";
 
diff --git a/drivers/staging/hv/VmbusPrivate.h b/drivers/staging/hv/vmbus_private.h
similarity index 100%
rename from drivers/staging/hv/VmbusPrivate.h
rename to drivers/staging/hv/vmbus_private.h

From 0e0ab5f5af2cea05a3f7526fb05585f5cbe8a106 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:47:13 -0700
Subject: [PATCH 1248/3638] Staging: hv: rename VmbusChannelInterface.h to
 vmbus_channel_interface.h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/channel_mgmt.h                               | 2 +-
 drivers/staging/hv/hv_utils.c                                   | 2 +-
 drivers/staging/hv/netvsc.h                                     | 2 +-
 .../hv/{VmbusChannelInterface.h => vmbus_channel_interface.h}   | 0
 4 files changed, 3 insertions(+), 3 deletions(-)
 rename drivers/staging/hv/{VmbusChannelInterface.h => vmbus_channel_interface.h} (100%)

diff --git a/drivers/staging/hv/channel_mgmt.h b/drivers/staging/hv/channel_mgmt.h
index 9219199d0e5..b92282bc89b 100644
--- a/drivers/staging/hv/channel_mgmt.h
+++ b/drivers/staging/hv/channel_mgmt.h
@@ -28,7 +28,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include "ring_buffer.h"
-#include "VmbusChannelInterface.h"
+#include "vmbus_channel_interface.h"
 #include "VmbusPacketFormat.h"
 
 /* Version 1 messages */
diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index 5ab1b06c457..ddda0d7deb2 100644
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -29,7 +29,7 @@
 #include "osd.h"
 #include "vmbus.h"
 #include "VmbusPacketFormat.h"
-#include "VmbusChannelInterface.h"
+#include "vmbus_channel_interface.h"
 #include "VersionInfo.h"
 #include "channel.h"
 #include "vmbus_private.h"
diff --git a/drivers/staging/hv/netvsc.h b/drivers/staging/hv/netvsc.h
index 05d2ceb9e5e..91b5c23ddc5 100644
--- a/drivers/staging/hv/netvsc.h
+++ b/drivers/staging/hv/netvsc.h
@@ -27,7 +27,7 @@
 
 #include <linux/list.h>
 #include "VmbusPacketFormat.h"
-#include "VmbusChannelInterface.h"
+#include "vmbus_channel_interface.h"
 #include "netvsc_api.h"
 
 
diff --git a/drivers/staging/hv/VmbusChannelInterface.h b/drivers/staging/hv/vmbus_channel_interface.h
similarity index 100%
rename from drivers/staging/hv/VmbusChannelInterface.h
rename to drivers/staging/hv/vmbus_channel_interface.h

From f8e5add2284b6373b3ba994c716a4792483e69eb Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:50:11 -0700
Subject: [PATCH 1249/3638] Staging: hv: rename VmbusPacketFormat.h to
 vmbus_packet_format.h

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/channel_mgmt.h                               | 2 +-
 drivers/staging/hv/hv_utils.c                                   | 2 +-
 drivers/staging/hv/netvsc.h                                     | 2 +-
 drivers/staging/hv/storvsc.c                                    | 2 +-
 .../staging/hv/{VmbusPacketFormat.h => vmbus_packet_format.h}   | 0
 5 files changed, 4 insertions(+), 4 deletions(-)
 rename drivers/staging/hv/{VmbusPacketFormat.h => vmbus_packet_format.h} (100%)

diff --git a/drivers/staging/hv/channel_mgmt.h b/drivers/staging/hv/channel_mgmt.h
index b92282bc89b..5908b81d3e9 100644
--- a/drivers/staging/hv/channel_mgmt.h
+++ b/drivers/staging/hv/channel_mgmt.h
@@ -29,7 +29,7 @@
 #include <linux/timer.h>
 #include "ring_buffer.h"
 #include "vmbus_channel_interface.h"
-#include "VmbusPacketFormat.h"
+#include "vmbus_packet_format.h"
 
 /* Version 1 messages */
 enum vmbus_channel_message_type {
diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index ddda0d7deb2..44d306c3764 100644
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -28,7 +28,7 @@
 #include "logging.h"
 #include "osd.h"
 #include "vmbus.h"
-#include "VmbusPacketFormat.h"
+#include "vmbus_packet_format.h"
 #include "vmbus_channel_interface.h"
 #include "VersionInfo.h"
 #include "channel.h"
diff --git a/drivers/staging/hv/netvsc.h b/drivers/staging/hv/netvsc.h
index 91b5c23ddc5..c71dce5b3f7 100644
--- a/drivers/staging/hv/netvsc.h
+++ b/drivers/staging/hv/netvsc.h
@@ -26,7 +26,7 @@
 #define _NETVSC_H_
 
 #include <linux/list.h>
-#include "VmbusPacketFormat.h"
+#include "vmbus_packet_format.h"
 #include "vmbus_channel_interface.h"
 #include "netvsc_api.h"
 
diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c
index 3a8b54f5e2a..27a276e08ee 100644
--- a/drivers/staging/hv/storvsc.c
+++ b/drivers/staging/hv/storvsc.c
@@ -26,7 +26,7 @@
 #include "osd.h"
 #include "logging.h"
 #include "storvsc_api.h"
-#include "VmbusPacketFormat.h"
+#include "vmbus_packet_format.h"
 #include "vstorage.h"
 
 
diff --git a/drivers/staging/hv/VmbusPacketFormat.h b/drivers/staging/hv/vmbus_packet_format.h
similarity index 100%
rename from drivers/staging/hv/VmbusPacketFormat.h
rename to drivers/staging/hv/vmbus_packet_format.h

From 2d82f6c734f411e5da9c60dace4140d8d029bb12 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 22:52:28 -0700
Subject: [PATCH 1250/3638] Staging: hv: rename VersionInfo.h to version_info.h

The great renaming of the hv code is now complete.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/blkvsc_drv.c                      | 2 +-
 drivers/staging/hv/hv_utils.c                        | 2 +-
 drivers/staging/hv/netvsc_drv.c                      | 2 +-
 drivers/staging/hv/storvsc_drv.c                     | 2 +-
 drivers/staging/hv/{VersionInfo.h => version_info.h} | 0
 drivers/staging/hv/vmbus.c                           | 2 +-
 drivers/staging/hv/vmbus_drv.c                       | 2 +-
 7 files changed, 6 insertions(+), 6 deletions(-)
 rename drivers/staging/hv/{VersionInfo.h => version_info.h} (100%)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 3e7c75e0b14..a81040f74e9 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -32,7 +32,7 @@
 #include <scsi/scsi_dbg.h>
 #include "osd.h"
 #include "logging.h"
-#include "VersionInfo.h"
+#include "version_info.h"
 #include "vmbus.h"
 #include "storvsc_api.h"
 
diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index 44d306c3764..8f1d3ba7e09 100644
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -30,7 +30,7 @@
 #include "vmbus.h"
 #include "vmbus_packet_format.h"
 #include "vmbus_channel_interface.h"
-#include "VersionInfo.h"
+#include "version_info.h"
 #include "channel.h"
 #include "vmbus_private.h"
 #include "vmbus_api.h"
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 3a6fe251282..30c946c133c 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -36,7 +36,7 @@
 #include <net/pkt_sched.h>
 #include "osd.h"
 #include "logging.h"
-#include "VersionInfo.h"
+#include "version_info.h"
 #include "vmbus.h"
 #include "netvsc_api.h"
 
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 56b659bda37..6a2014639d2 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -33,7 +33,7 @@
 #include <scsi/scsi_dbg.h>
 #include "osd.h"
 #include "logging.h"
-#include "VersionInfo.h"
+#include "version_info.h"
 #include "vmbus.h"
 #include "storvsc_api.h"
 
diff --git a/drivers/staging/hv/VersionInfo.h b/drivers/staging/hv/version_info.h
similarity index 100%
rename from drivers/staging/hv/VersionInfo.h
rename to drivers/staging/hv/version_info.h
diff --git a/drivers/staging/hv/vmbus.c b/drivers/staging/hv/vmbus.c
index 296c38ff5a4..0a9d8459db0 100644
--- a/drivers/staging/hv/vmbus.c
+++ b/drivers/staging/hv/vmbus.c
@@ -24,7 +24,7 @@
 #include <linux/slab.h>
 #include "osd.h"
 #include "logging.h"
-#include "VersionInfo.h"
+#include "version_info.h"
 #include "vmbus_private.h"
 
 static const char *gDriverName = "vmbus";
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index a715b3db87c..c21731a12ca 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -27,7 +27,7 @@
 #include <linux/pci.h>
 #include <linux/dmi.h>
 #include <linux/slab.h>
-#include "VersionInfo.h"
+#include "version_info.h"
 #include "osd.h"
 #include "logging.h"
 #include "vmbus.h"

From af449f924c95fa8d4f57c9b71e9b104a5079fa33 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 23:09:12 -0700
Subject: [PATCH 1251/3638] Staging: arlan: delete the driver

It has sat in the staging directory since October of 2009, and no one
has stepped up to take it over, so odds are, no one cares about it
anymore.  So, it is now deleted as scheduled, and documented in the TODO
file.

Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig            |    2 -
 drivers/staging/Makefile           |    1 -
 drivers/staging/arlan/Kconfig      |   15 -
 drivers/staging/arlan/Makefile     |    3 -
 drivers/staging/arlan/TODO         |    7 -
 drivers/staging/arlan/arlan-main.c | 1765 ----------------------------
 drivers/staging/arlan/arlan-proc.c | 1199 -------------------
 drivers/staging/arlan/arlan.h      |  535 ---------
 8 files changed, 3527 deletions(-)
 delete mode 100644 drivers/staging/arlan/Kconfig
 delete mode 100644 drivers/staging/arlan/Makefile
 delete mode 100644 drivers/staging/arlan/TODO
 delete mode 100644 drivers/staging/arlan/arlan-main.c
 delete mode 100644 drivers/staging/arlan/arlan-proc.c
 delete mode 100644 drivers/staging/arlan/arlan.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 6b00e15a371..8bf839ea05f 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -127,8 +127,6 @@ source "drivers/staging/samsung-laptop/Kconfig"
 
 source "drivers/staging/strip/Kconfig"
 
-source "drivers/staging/arlan/Kconfig"
-
 source "drivers/staging/wavelan/Kconfig"
 
 source "drivers/staging/netwave/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index e825647afda..b2747068fff 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -44,7 +44,6 @@ obj-$(CONFIG_WLAGS49_H25)	+= wlags49_h25/
 obj-$(CONFIG_BATMAN_ADV)	+= batman-adv/
 obj-$(CONFIG_SAMSUNG_LAPTOP)	+= samsung-laptop/
 obj-$(CONFIG_STRIP)		+= strip/
-obj-$(CONFIG_ARLAN)		+= arlan/
 obj-$(CONFIG_WAVELAN)		+= wavelan/
 obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan/
 obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave/
diff --git a/drivers/staging/arlan/Kconfig b/drivers/staging/arlan/Kconfig
deleted file mode 100644
index 5e42b81f97b..00000000000
--- a/drivers/staging/arlan/Kconfig
+++ /dev/null
@@ -1,15 +0,0 @@
-config ARLAN
-	tristate "Aironet Arlan 655 & IC2200 DS support"
-	depends on ISA && !64BIT && WLAN
-	select WIRELESS_EXT
-	---help---
-	  Aironet makes Arlan, a class of wireless LAN adapters. These use the
-	  www.Telxon.com chip, which is also used on several similar cards.
-	  This driver is tested on the 655 and IC2200 series cards. Look at
-	  <http://www.ylenurme.ee/~elmer/655/> for the latest information.
-
-	  The driver is built as two modules, arlan and arlan-proc. The latter
-	  is the /proc interface and is not needed most of time.
-
-	  On some computers the card ends up in non-valid state after some
-	  time. Use a ping-reset script to clear it.
diff --git a/drivers/staging/arlan/Makefile b/drivers/staging/arlan/Makefile
deleted file mode 100644
index 5a84d4402f2..00000000000
--- a/drivers/staging/arlan/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-obj-$(CONFIG_ARLAN) += arlan.o
-
-arlan-objs := arlan-main.o arlan-proc.o
diff --git a/drivers/staging/arlan/TODO b/drivers/staging/arlan/TODO
deleted file mode 100644
index 9bd15a2f6d9..00000000000
--- a/drivers/staging/arlan/TODO
+++ /dev/null
@@ -1,7 +0,0 @@
-TODO:
-	- step up and maintain this driver to ensure that it continues
-	  to work.  Having the hardware for this is pretty much a
-	  requirement.  If this does not happen, the will be removed in
-	  the 2.6.35 kernel release.
-
-Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
diff --git a/drivers/staging/arlan/arlan-main.c b/drivers/staging/arlan/arlan-main.c
deleted file mode 100644
index 301b979d043..00000000000
--- a/drivers/staging/arlan/arlan-main.c
+++ /dev/null
@@ -1,1765 +0,0 @@
-/*
- *  Copyright (C) 1997 Cullen Jennings
- *  Copyright (C) 1998 Elmer Joandiu, elmer@ylenurme.ee
- *  GNU General Public License applies
- * This module provides support for the Arlan 655 card made by Aironet
- */
-
-#include "arlan.h"
-
-#if BITS_PER_LONG != 32
-#  error FIXME: this driver requires a 32-bit platform
-#endif
-
-static const char *arlan_version = "C.Jennigs 97 & Elmer.Joandi@ut.ee  Oct'98, http://www.ylenurme.ee/~elmer/655/";
-
-struct net_device *arlan_device[MAX_ARLANS];
-
-static int SID = SIDUNKNOWN;
-static int radioNodeId = radioNodeIdUNKNOWN;
-static char encryptionKey[12] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'};
-int arlan_debug = debugUNKNOWN;
-static int spreadingCode = spreadingCodeUNKNOWN;
-static int channelNumber = channelNumberUNKNOWN;
-static int channelSet = channelSetUNKNOWN;
-static int systemId = systemIdUNKNOWN;
-static int registrationMode = registrationModeUNKNOWN;
-static int keyStart;
-static int tx_delay_ms;
-static int retries = 5;
-static int tx_queue_len = 1;
-static int arlan_EEPROM_bad;
-
-#ifdef ARLAN_DEBUGGING
-
-static int testMemory = testMemoryUNKNOWN;
-static int irq = irqUNKNOWN;
-static int txScrambled = 1;
-static int mdebug;
-
-module_param(irq, int, 0);
-module_param(mdebug, int, 0);
-module_param(testMemory, int, 0);
-module_param(txScrambled, int, 0);
-MODULE_PARM_DESC(irq, "(unused)");
-MODULE_PARM_DESC(testMemory, "(unused)");
-MODULE_PARM_DESC(mdebug, "Arlan multicast debugging (0-1)");
-#endif
-
-module_param_named(debug, arlan_debug, int, 0);
-module_param(spreadingCode, int, 0);
-module_param(channelNumber, int, 0);
-module_param(channelSet, int, 0);
-module_param(systemId, int, 0);
-module_param(registrationMode, int, 0);
-module_param(radioNodeId, int, 0);
-module_param(SID, int, 0);
-module_param(keyStart, int, 0);
-module_param(tx_delay_ms, int, 0);
-module_param(retries, int, 0);
-module_param(tx_queue_len, int, 0);
-module_param_named(EEPROM_bad, arlan_EEPROM_bad, int, 0);
-MODULE_PARM_DESC(debug, "Arlan debug enable (0-1)");
-MODULE_PARM_DESC(retries, "Arlan maximum packet retransmisions");
-#ifdef ARLAN_ENTRY_EXIT_DEBUGGING
-static int arlan_entry_debug;
-static int arlan_exit_debug;
-static int arlan_entry_and_exit_debug;
-module_param_named(entry_debug, arlan_entry_debug, int, 0);
-module_param_named(exit_debug, arlan_exit_debug, int, 0);
-module_param_named(entry_and_exit_debug, arlan_entry_and_exit_debug, int, 0);
-MODULE_PARM_DESC(entry_debug, "Arlan driver function entry debugging");
-MODULE_PARM_DESC(exit_debug, "Arlan driver function exit debugging");
-MODULE_PARM_DESC(entry_and_exit_debug, "Arlan driver function entry and exit debugging");
-#endif
-
-struct arlan_conf_stru arlan_conf[MAX_ARLANS];
-static int arlans_found;
-
-static int	arlan_open(struct net_device *dev);
-static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev);
-static irqreturn_t arlan_interrupt(int irq, void *dev_id);
-static int	arlan_close(struct net_device *dev);
-static struct net_device_stats *arlan_statistics(struct net_device *dev);
-static void	arlan_set_multicast(struct net_device *dev);
-static int	arlan_hw_tx(struct net_device *dev, char *buf, int length);
-static int	arlan_hw_config(struct net_device *dev);
-static void	arlan_tx_done_interrupt(struct net_device *dev, int status);
-static void	arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short, u_short);
-static void	arlan_process_interrupt(struct net_device *dev);
-static void	arlan_tx_timeout(struct net_device *dev);
-
-static inline long us2ticks(int us)
-{
-	return us * (1000000 / HZ);
-}
-
-
-#ifdef ARLAN_ENTRY_EXIT_DEBUGGING
-#define ARLAN_DEBUG_ENTRY(name) \
-	{\
-	struct timeval timev;\
-	do_gettimeofday(&timev);\
-		if (arlan_entry_debug || arlan_entry_and_exit_debug)\
-			printk("--->>>" name " %ld " "\n", ((long int) timev.tv_sec * 1000000 + timev.tv_usec));\
-	}
-#define ARLAN_DEBUG_EXIT(name) \
-	{\
-	struct timeval timev;\
-	do_gettimeofday(&timev);\
-		if (arlan_exit_debug || arlan_entry_and_exit_debug)\
-			printk("<<<---" name " %ld " "\n", ((long int) timev.tv_sec * 1000000 + timev.tv_usec));\
-	}
-#else
-#define ARLAN_DEBUG_ENTRY(name)
-#define ARLAN_DEBUG_EXIT(name)
-#endif
-
-
-#define arlan_interrupt_ack(dev)\
-		clearClearInterrupt(dev);\
-		setClearInterrupt(dev);
-
-static inline int arlan_drop_tx(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-	dev->stats.tx_errors++;
-	if (priv->Conf->tx_delay_ms)
-		priv->tx_done_delayed = jiffies + priv->Conf->tx_delay_ms * HZ / 1000 + 1;
-	else {
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_TX;
-		TXHEAD(dev).offset = 0;
-		TXTAIL(dev).offset = 0;
-		priv->txLast = 0;
-		priv->bad = 0;
-		if (!priv->under_reset && !priv->under_config)
-			netif_wake_queue(dev);
-	}
-	return 1;
-}
-
-
-int arlan_command(struct net_device *dev, int command_p)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	struct arlan_conf_stru *conf = priv->Conf;
-	int udelayed = 0;
-	int i = 0;
-	unsigned long flags;
-
-	ARLAN_DEBUG_ENTRY("arlan_command");
-
-	if (priv->card_polling_interval)
-		priv->card_polling_interval = 1;
-
-	if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
-		printk(KERN_DEBUG "arlan_command, %lx commandByte %x waiting %lx incoming %x\n",
-		jiffies, READSHMB(arlan->commandByte),
-		       priv->waiting_command_mask, command_p);
-
-	priv->waiting_command_mask |= command_p;
-
-	if (priv->waiting_command_mask & ARLAN_COMMAND_RESET)
-		if (time_after(jiffies, priv->lastReset + 5 * HZ))
-			priv->waiting_command_mask &= ~ARLAN_COMMAND_RESET;
-
-	if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ACK) {
-		arlan_interrupt_ack(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_ACK;
-	}
-	if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ENABLE) {
-		setInterruptEnable(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_ENABLE;
-	}
-
-	/* Card access serializing lock */
-	spin_lock_irqsave(&priv->lock, flags);
-
-	/* Check cards status and waiting */
-
-	if (priv->waiting_command_mask & (ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW)) {
-		while (priv->waiting_command_mask & (ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW)) {
-			if (READSHMB(arlan->resetFlag) ||
-				READSHMB(arlan->commandByte))	/* ||
-								   (readControlRegister(dev) & ARLAN_ACCESS))
-								 */
-				udelay(40);
-			else
-				priv->waiting_command_mask &= ~(ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW);
-
-			udelayed++;
-
-			if (priv->waiting_command_mask & ARLAN_COMMAND_LONG_WAIT_NOW) {
-				if (udelayed * 40 > 1000000) {
-					printk(KERN_ERR "%s long wait too long\n", dev->name);
-					priv->waiting_command_mask |= ARLAN_COMMAND_RESET;
-					break;
-				}
-			} else if (priv->waiting_command_mask & ARLAN_COMMAND_WAIT_NOW) {
-				if (udelayed * 40 > 1000) {
-					printk(KERN_ERR "%s short wait too long\n", dev->name);
-					goto bad_end;
-				}
-			}
-		}
-	} else {
-		i = 0;
-		while ((READSHMB(arlan->resetFlag) ||
-			READSHMB(arlan->commandByte)) &&
-			conf->pre_Command_Wait > (i++) * 10)
-			udelay(10);
-
-
-		if ((READSHMB(arlan->resetFlag) ||
-			READSHMB(arlan->commandByte)) &&
-			!(priv->waiting_command_mask & ARLAN_COMMAND_RESET))
-			goto card_busy_end;
-	}
-	if (priv->waiting_command_mask & ARLAN_COMMAND_RESET)
-		priv->under_reset = 1;
-	if (priv->waiting_command_mask & ARLAN_COMMAND_CONF)
-		priv->under_config = 1;
-
-	/* Issuing command */
-	arlan_lock_card_access(dev);
-	if (priv->waiting_command_mask & ARLAN_COMMAND_POWERUP) {
-		/* if (readControlRegister(dev) & (ARLAN_ACCESS && ARLAN_POWER)) */
-		setPowerOn(dev);
-		arlan_interrupt_lancpu(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_POWERUP;
-		priv->waiting_command_mask |= ARLAN_COMMAND_RESET;
-		priv->card_polling_interval = HZ / 10;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_ACTIVATE) {
-		WRITESHMB(arlan->commandByte, ARLAN_COM_ACTIVATE);
-		arlan_interrupt_lancpu(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_ACTIVATE;
-		priv->card_polling_interval = HZ / 10;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_RX_ABORT) {
-		if (priv->rx_command_given) {
-			WRITESHMB(arlan->commandByte, ARLAN_COM_RX_ABORT);
-			arlan_interrupt_lancpu(dev);
-			priv->rx_command_given = 0;
-		}
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_RX_ABORT;
-		priv->card_polling_interval = 1;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_TX_ABORT) {
-		if (priv->tx_command_given) {
-			WRITESHMB(arlan->commandByte, ARLAN_COM_TX_ABORT);
-			arlan_interrupt_lancpu(dev);
-			priv->tx_command_given = 0;
-		}
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_TX_ABORT;
-		priv->card_polling_interval = 1;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_RESET) {
-		priv->under_reset = 1;
-		netif_stop_queue(dev);
-
-		arlan_drop_tx(dev);
-		if (priv->tx_command_given || priv->rx_command_given)
-			printk(KERN_ERR "%s: Reset under tx or rx command\n", dev->name);
-
-		netif_stop_queue(dev);
-		if (arlan_debug & ARLAN_DEBUG_RESET)
-			printk(KERN_ERR "%s: Doing chip reset\n", dev->name);
-		priv->lastReset = jiffies;
-		WRITESHM(arlan->commandByte, 0, u_char);
-		/* hold card in reset state */
-		setHardwareReset(dev);
-		/* set reset flag and then release reset */
-		WRITESHM(arlan->resetFlag, 0xff, u_char);
-		clearChannelAttention(dev);
-		clearHardwareReset(dev);
-		priv->card_polling_interval = HZ / 4;
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_RESET;
-		priv->waiting_command_mask |= ARLAN_COMMAND_INT_RACK;
-		/* priv->waiting_command_mask |= ARLAN_COMMAND_INT_RENABLE; */
-		/* priv->waiting_command_mask |= ARLAN_COMMAND_RX; */
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_INT_RACK) {
-		clearHardwareReset(dev);
-		clearClearInterrupt(dev);
-		setClearInterrupt(dev);
-		setInterruptEnable(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_RACK;
-		priv->waiting_command_mask |= ARLAN_COMMAND_CONF;
-		priv->under_config = 1;
-		priv->under_reset = 0;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_INT_RENABLE) {
-		setInterruptEnable(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_RENABLE;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF) {
-		if (priv->tx_command_given || priv->rx_command_given)
-			printk(KERN_ERR "%s: Reset under tx or rx command\n", dev->name);
-
-		arlan_drop_tx(dev);
-		setInterruptEnable(dev);
-		arlan_hw_config(dev);
-		arlan_interrupt_lancpu(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_CONF;
-		priv->card_polling_interval = HZ / 10;
-		/* priv->waiting_command_mask |= ARLAN_COMMAND_INT_RACK; */
-		/* priv->waiting_command_mask |= ARLAN_COMMAND_INT_ENABLE; */
-		priv->waiting_command_mask |= ARLAN_COMMAND_CONF_WAIT;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF_WAIT) {
-		if (READSHMB(arlan->configuredStatusFlag) != 0 &&
-			READSHMB(arlan->diagnosticInfo) == 0xff) {
-			priv->waiting_command_mask &= ~ARLAN_COMMAND_CONF_WAIT;
-			priv->waiting_command_mask |= ARLAN_COMMAND_RX;
-			priv->waiting_command_mask |= ARLAN_COMMAND_TBUSY_CLEAR;
-			priv->card_polling_interval = HZ / 10;
-			priv->tx_command_given = 0;
-			priv->under_config = 0;
-		} else {
-			priv->card_polling_interval = 1;
-			if (arlan_debug & ARLAN_DEBUG_TIMING)
-				printk(KERN_ERR "configure delayed\n");
-		}
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_RX) {
-		if (!registrationBad(dev)) {
-			setInterruptEnable(dev);
-			memset_io(arlan->commandParameter, 0, 0xf);
-			WRITESHMB(arlan->commandByte, ARLAN_COM_INT | ARLAN_COM_RX_ENABLE);
-			WRITESHMB(arlan->commandParameter[0], conf->rxParameter);
-			arlan_interrupt_lancpu(dev);
-			priv->rx_command_given = 0; /* mnjah, bad */
-			priv->waiting_command_mask &= ~ARLAN_COMMAND_RX;
-			priv->card_polling_interval = 1;
-		} else
-			priv->card_polling_interval = 2;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_TBUSY_CLEAR) {
-		if (!registrationBad(dev) &&
-		     (netif_queue_stopped(dev) || !netif_running(dev))) {
-				priv->waiting_command_mask &= ~ARLAN_COMMAND_TBUSY_CLEAR;
-				netif_wake_queue(dev);
-			}
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_TX) {
-		if (!test_and_set_bit(0, (void *) &priv->tx_command_given)) {
-			if (time_after(jiffies,
-				       priv->tx_last_sent + us2ticks(conf->rx_tweak1))
-			    || time_before(jiffies,
-					   priv->last_rx_int_ack_time + us2ticks(conf->rx_tweak2))) {
-				setInterruptEnable(dev);
-				memset_io(arlan->commandParameter, 0, 0xf);
-				WRITESHMB(arlan->commandByte, ARLAN_COM_TX_ENABLE | ARLAN_COM_INT);
-				memcpy_toio(arlan->commandParameter, &TXLAST(dev), 14);
-				/* for ( i=1 ; i < 15 ; i++) printk("%02x:",READSHMB(arlan->commandParameter[i])); */
-				priv->tx_last_sent = jiffies;
-				arlan_interrupt_lancpu(dev);
-				priv->tx_command_given = 1;
-				priv->waiting_command_mask &= ~ARLAN_COMMAND_TX;
-				priv->card_polling_interval = 1;
-			} else {
-				priv->tx_command_given = 0;
-				priv->card_polling_interval = 1;
-			}
-		} else if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
-			printk(KERN_ERR "tx command when tx chain locked\n");
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOPINT) {
-		{
-			WRITESHMB(arlan->commandByte, ARLAN_COM_NOP | ARLAN_COM_INT);
-		}
-		arlan_interrupt_lancpu(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_NOOPINT;
-		priv->card_polling_interval = HZ / 3;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOP) {
-		WRITESHMB(arlan->commandByte, ARLAN_COM_NOP);
-		arlan_interrupt_lancpu(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_NOOP;
-		priv->card_polling_interval = HZ / 3;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_SLOW_POLL) {
-		WRITESHMB(arlan->commandByte, ARLAN_COM_GOTO_SLOW_POLL);
-		arlan_interrupt_lancpu(dev);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_SLOW_POLL;
-		priv->card_polling_interval = HZ / 3;
-	} else if (priv->waiting_command_mask & ARLAN_COMMAND_POWERDOWN) {
-		setPowerOff(dev);
-		if (arlan_debug & ARLAN_DEBUG_CARD_STATE)
-			printk(KERN_WARNING "%s: Arlan Going Standby\n", dev->name);
-		priv->waiting_command_mask &= ~ARLAN_COMMAND_POWERDOWN;
-		priv->card_polling_interval = 3 * HZ;
-	}
-	arlan_unlock_card_access(dev);
-	for (i = 0; READSHMB(arlan->commandByte) && i < 20; i++)
-		udelay(10);
-	if (READSHMB(arlan->commandByte))
-		if (arlan_debug & ARLAN_DEBUG_CARD_STATE)
-			printk(KERN_ERR "card busy leaving command %lx\n", priv->waiting_command_mask);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-	ARLAN_DEBUG_EXIT("arlan_command");
-	priv->last_command_buff_free_time = jiffies;
-	return 0;
-
-card_busy_end:
-	if (time_after(jiffies, priv->last_command_buff_free_time + HZ))
-		priv->waiting_command_mask |= ARLAN_COMMAND_CLEAN_AND_RESET;
-
-	if (arlan_debug & ARLAN_DEBUG_CARD_STATE)
-		printk(KERN_ERR "%s arlan_command card busy end\n", dev->name);
-	spin_unlock_irqrestore(&priv->lock, flags);
-	ARLAN_DEBUG_EXIT("arlan_command");
-	return 1;
-
-bad_end:
-	printk(KERN_ERR "%s arlan_command bad end\n", dev->name);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-	ARLAN_DEBUG_EXIT("arlan_command");
-
-	return -1;
-}
-
-static inline void arlan_command_process(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-	int times = 0;
-	while (priv->waiting_command_mask && times < 8) {
-		if (priv->waiting_command_mask) {
-			if (arlan_command(dev, 0))
-				break;
-			times++;
-		}
-		/* if long command, we won't repeat trying */ ;
-		if (priv->card_polling_interval > 1)
-			break;
-		times++;
-	}
-}
-
-
-static inline void arlan_retransmit_now(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-
-	ARLAN_DEBUG_ENTRY("arlan_retransmit_now");
-	if (TXLAST(dev).offset == 0) {
-		if (TXHEAD(dev).offset) {
-			priv->txLast = 0;
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to head\n");
-		} else if (TXTAIL(dev).offset) {
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to tail\n");
-			priv->txLast = 1;
-		} else
-			IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_ERR "ReTransmit buff empty");
-		netif_wake_queue(dev);
-		return;
-	}
-	arlan_command(dev, ARLAN_COMMAND_TX);
-
-	priv->Conf->driverRetransmissions++;
-	priv->retransmissions++;
-
-	IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk("Retransmit %d bytes\n", TXLAST(dev).length);
-
-	ARLAN_DEBUG_EXIT("arlan_retransmit_now");
-}
-
-
-
-static void arlan_registration_timer(unsigned long data)
-{
-	struct net_device *dev = (struct net_device *) data;
-	struct arlan_private *priv = netdev_priv(dev);
-	int bh_mark_needed = 0;
-	int next_tick = 1;
-	long lostTime = ((long)jiffies - (long)priv->registrationLastSeen)
-			* (1000/HZ);
-
-	if (registrationBad(dev)) {
-		priv->registrationLostCount++;
-		if (lostTime > 7000 && lostTime < 7200)
-			printk(KERN_NOTICE "%s registration Lost\n", dev->name);
-
-		if (lostTime / priv->reRegisterExp > 2000)
-			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_CONF);
-		if (lostTime / (priv->reRegisterExp) > 3500)
-			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
-		if (priv->reRegisterExp < 400)
-			priv->reRegisterExp += 2;
-		if (lostTime > 7200) {
-			next_tick = HZ;
-			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
-		}
-	} else {
-		if (priv->Conf->registrationMode && lostTime > 10000 &&
-			priv->registrationLostCount) {
-			printk(KERN_NOTICE "%s registration is back after %ld milliseconds\n",
-			       dev->name, lostTime);
-		}
-		priv->registrationLastSeen = jiffies;
-		priv->registrationLostCount = 0;
-		priv->reRegisterExp = 1;
-		if (!netif_running(dev))
-			netif_wake_queue(dev);
-		if (time_after(priv->tx_last_sent, priv->tx_last_cleared) &&
-		    time_after(jiffies, priv->tx_last_sent * 5*HZ)) {
-			arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
-			priv->tx_last_cleared = jiffies;
-		}
-	}
-
-
-	if (!registrationBad(dev) && priv->ReTransmitRequested) {
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk(KERN_ERR "Retransmit from timer\n");
-		priv->ReTransmitRequested = 0;
-		arlan_retransmit_now(dev);
-	}
-
-	if (!registrationBad(dev) &&
-		time_after(jiffies, priv->tx_done_delayed) &&
-		priv->tx_done_delayed != 0) {
-		TXLAST(dev).offset = 0;
-
-		if (priv->txLast)
-			priv->txLast = 0;
-		else if (TXTAIL(dev).offset)
-			priv->txLast = 1;
-		if (TXLAST(dev).offset) {
-			arlan_retransmit_now(dev);
-			dev->trans_start = jiffies;
-		}
-
-		if (!(TXHEAD(dev).offset && TXTAIL(dev).offset))
-			netif_wake_queue(dev);
-
-		priv->tx_done_delayed = 0;
-		bh_mark_needed = 1;
-	}
-
-	if (bh_mark_needed)
-		netif_wake_queue(dev);
-
-	arlan_process_interrupt(dev);
-
-	if (next_tick < priv->card_polling_interval)
-		next_tick = priv->card_polling_interval;
-
-	priv->timer.expires = jiffies + next_tick;
-
-	add_timer(&priv->timer);
-}
-
-
-#ifdef ARLAN_DEBUGGING
-
-static void arlan_print_registers(struct net_device *dev, int line)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem *arlan = priv->card;
-
-	u_char hostcpuLock, lancpuLock, controlRegister, cntrlRegImage,
-		txStatus, rxStatus, interruptInProgress, commandByte;
-
-
-	ARLAN_DEBUG_ENTRY("arlan_print_registers");
-	READSHM(interruptInProgress, arlan->interruptInProgress, u_char);
-	READSHM(hostcpuLock, arlan->hostcpuLock, u_char);
-	READSHM(lancpuLock, arlan->lancpuLock, u_char);
-	READSHM(controlRegister, arlan->controlRegister, u_char);
-	READSHM(cntrlRegImage, arlan->cntrlRegImage, u_char);
-	READSHM(txStatus, arlan->txStatus, u_char);
-	READSHM(rxStatus, arlan->rxStatus, u_char);
-	READSHM(commandByte, arlan->commandByte, u_char);
-
-	printk(KERN_WARNING "line %04d IP %02x HL %02x LL %02x CB %02x CR %02x CRI %02x TX %02x RX %02x\n",
-		line, interruptInProgress, hostcpuLock, lancpuLock, commandByte,
-		controlRegister, cntrlRegImage, txStatus, rxStatus);
-
-	ARLAN_DEBUG_EXIT("arlan_print_registers");
-}
-#endif
-
-
-static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
-{
-	int i;
-
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	struct arlan_conf_stru *conf = priv->Conf;
-
-	int tailStarts = 0x800;
-	int headEnds = 0x0;
-
-
-	ARLAN_DEBUG_ENTRY("arlan_hw_tx");
-	if (TXHEAD(dev).offset)
-		headEnds = (((TXHEAD(dev).offset + TXHEAD(dev).length - offsetof(struct arlan_shmem, txBuffer)) / 64) + 1) * 64;
-	if (TXTAIL(dev).offset)
-		tailStarts = 0x800 - (((TXTAIL(dev).offset - offsetof(struct arlan_shmem, txBuffer)) / 64) + 2) * 64;
-
-
-	if (!TXHEAD(dev).offset && length < tailStarts) {
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk(KERN_ERR "TXHEAD insert, tailStart %d\n", tailStarts);
-
-		TXHEAD(dev).offset =
-			offsetof(struct arlan_shmem, txBuffer);
-		TXHEAD(dev).length = length - ARLAN_FAKE_HDR_LEN;
-		for (i = 0; i < 6; i++)
-			TXHEAD(dev).dest[i] = buf[i];
-		TXHEAD(dev).clear = conf->txClear;
-		TXHEAD(dev).retries = conf->txRetries;	/* 0 is use default */
-		TXHEAD(dev).routing = conf->txRouting;
-		TXHEAD(dev).scrambled = conf->txScrambled;
-		memcpy_toio((char __iomem *)arlan + TXHEAD(dev).offset, buf + ARLAN_FAKE_HDR_LEN, TXHEAD(dev).length);
-	} else if (!TXTAIL(dev).offset && length < (0x800 - headEnds)) {
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk(KERN_ERR "TXTAIL insert, headEnd %d\n", headEnds);
-
-		TXTAIL(dev).offset =
-			offsetof(struct arlan_shmem, txBuffer) + 0x800 - (length / 64 + 2) * 64;
-		TXTAIL(dev).length = length - ARLAN_FAKE_HDR_LEN;
-		for (i = 0; i < 6; i++)
-			TXTAIL(dev).dest[i] = buf[i];
-		TXTAIL(dev).clear = conf->txClear;
-		TXTAIL(dev).retries = conf->txRetries;
-		TXTAIL(dev).routing = conf->txRouting;
-		TXTAIL(dev).scrambled = conf->txScrambled;
-		memcpy_toio(((char __iomem *)arlan + TXTAIL(dev).offset), buf + ARLAN_FAKE_HDR_LEN, TXTAIL(dev).length);
-	} else {
-		netif_stop_queue(dev);
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk(KERN_ERR "TX TAIL & HEAD full, return, tailStart %d headEnd %d\n", tailStarts, headEnds);
-		return -1;
-	}
-	priv->out_bytes += length;
-	priv->out_bytes10 += length;
-	if (conf->measure_rate < 1)
-		conf->measure_rate = 1;
-	if (time_after(jiffies, priv->out_time + conf->measure_rate * HZ)) {
-		conf->out_speed = priv->out_bytes / conf->measure_rate;
-		priv->out_bytes = 0;
-		priv->out_time = jiffies;
-	}
-
-	if (time_after(jiffies, priv->out_time10 + conf->measure_rate * 10*HZ)) {
-		conf->out_speed10 = priv->out_bytes10 / (10 * conf->measure_rate);
-		priv->out_bytes10 = 0;
-		priv->out_time10 = jiffies;
-	}
-
-	if (TXHEAD(dev).offset && TXTAIL(dev).offset) {
-		netif_stop_queue(dev);
-		return 0;
-	} else
-		netif_start_queue(dev);
-
-	IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
-		printk(KERN_WARNING "%s Transmit t %2x:%2x:%2x:%2x:%2x:%2x f %2x:%2x:%2x:%2x:%2x:%2x\n", dev->name,
-		   (unsigned char) buf[0], (unsigned char) buf[1], (unsigned char) buf[2], (unsigned char) buf[3],
-		   (unsigned char) buf[4], (unsigned char) buf[5], (unsigned char) buf[6], (unsigned char) buf[7],
-		   (unsigned char) buf[8], (unsigned char) buf[9], (unsigned char) buf[10], (unsigned char) buf[11]);
-
-	IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_ERR "TX command prepare for buffer %d\n", priv->txLast);
-
-	arlan_command(dev, ARLAN_COMMAND_TX);
-
-	priv->tx_last_sent = jiffies;
-
-	IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk("%s TX Qued %d bytes\n", dev->name, length);
-
-	ARLAN_DEBUG_EXIT("arlan_hw_tx");
-
-	return 0;
-}
-
-
-static int arlan_hw_config(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	struct arlan_conf_stru *conf = priv->Conf;
-
-	ARLAN_DEBUG_ENTRY("arlan_hw_config");
-
-	printk(KERN_NOTICE "%s arlan configure called\n", dev->name);
-	if (arlan_EEPROM_bad)
-		printk(KERN_NOTICE "arlan configure with eeprom bad option\n");
-
-
-	WRITESHM(arlan->spreadingCode, conf->spreadingCode, u_char);
-	WRITESHM(arlan->channelSet, conf->channelSet, u_char);
-
-	if (arlan_EEPROM_bad)
-		WRITESHM(arlan->defaultChannelSet, conf->channelSet, u_char);
-
-	WRITESHM(arlan->channelNumber, conf->channelNumber, u_char);
-
-	WRITESHM(arlan->scramblingDisable, conf->scramblingDisable, u_char);
-	WRITESHM(arlan->txAttenuation, conf->txAttenuation, u_char);
-
-	WRITESHM(arlan->systemId, conf->systemId, u_int);
-
-	WRITESHM(arlan->maxRetries, conf->maxRetries, u_char);
-	WRITESHM(arlan->receiveMode, conf->receiveMode, u_char);
-	WRITESHM(arlan->priority, conf->priority, u_char);
-	WRITESHM(arlan->rootOrRepeater, conf->rootOrRepeater, u_char);
-	WRITESHM(arlan->SID, conf->SID, u_int);
-
-	WRITESHM(arlan->registrationMode, conf->registrationMode, u_char);
-
-	WRITESHM(arlan->registrationFill, conf->registrationFill, u_char);
-	WRITESHM(arlan->localTalkAddress, conf->localTalkAddress, u_char);
-	WRITESHM(arlan->codeFormat, conf->codeFormat, u_char);
-	WRITESHM(arlan->numChannels, conf->numChannels, u_char);
-	WRITESHM(arlan->channel1, conf->channel1, u_char);
-	WRITESHM(arlan->channel2, conf->channel2, u_char);
-	WRITESHM(arlan->channel3, conf->channel3, u_char);
-	WRITESHM(arlan->channel4, conf->channel4, u_char);
-	WRITESHM(arlan->radioNodeId, conf->radioNodeId, u_short);
-	WRITESHM(arlan->SID, conf->SID, u_int);
-	WRITESHM(arlan->waitTime, conf->waitTime, u_short);
-	WRITESHM(arlan->lParameter, conf->lParameter, u_short);
-	memcpy_toio(&(arlan->_15), &(conf->_15), 3);
-	WRITESHM(arlan->_15, conf->_15, u_short);
-	WRITESHM(arlan->headerSize, conf->headerSize, u_short);
-	if (arlan_EEPROM_bad)
-		WRITESHM(arlan->hardwareType, conf->hardwareType, u_char);
-	WRITESHM(arlan->radioType, conf->radioType, u_char);
-	if (arlan_EEPROM_bad)
-		WRITESHM(arlan->radioModule, conf->radioType, u_char);
-
-	memcpy_toio(arlan->encryptionKey + keyStart, encryptionKey, 8);
-	memcpy_toio(arlan->name, conf->siteName, 16);
-
-	WRITESHMB(arlan->commandByte, ARLAN_COM_INT | ARLAN_COM_CONF);	/* do configure */
-	memset_io(arlan->commandParameter, 0, 0xf);	/* 0xf */
-	memset_io(arlan->commandParameter + 1, 0, 2);
-	if (conf->writeEEPROM) {
-		memset_io(arlan->commandParameter, conf->writeEEPROM, 1);
-		/* conf->writeEEPROM=0; */
-	}
-
-	if (conf->registrationMode && conf->registrationInterrupts)
-		memset_io(arlan->commandParameter + 3, 1, 1);
-	else
-		memset_io(arlan->commandParameter + 3, 0, 1);
-
-	priv->irq_test_done = 0;
-
-	if (conf->tx_queue_len)
-		dev->tx_queue_len = conf->tx_queue_len;
-	udelay(100);
-
-	ARLAN_DEBUG_EXIT("arlan_hw_config");
-	return 0;
-}
-
-
-static int arlan_read_card_configuration(struct net_device *dev)
-{
-	u_char tlx415;
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	struct arlan_conf_stru *conf = priv->Conf;
-
-	ARLAN_DEBUG_ENTRY("arlan_read_card_configuration");
-
-
-	if (radioNodeId == radioNodeIdUNKNOWN) {
-		/* multiline macro, cannot remove braces */
-		READSHM(conf->radioNodeId, arlan->radioNodeId, u_short);
-	} else
-		conf->radioNodeId = radioNodeId;
-
-	if (SID == SIDUNKNOWN) {
-		/* multiline macro, cannot remove braces */
-		READSHM(conf->SID, arlan->SID, u_int);
-	} else
-		conf->SID = SID;
-
-	if (spreadingCode == spreadingCodeUNKNOWN) {
-		/* multiline macro, cannot remove braces */
-		READSHM(conf->spreadingCode, arlan->spreadingCode, u_char);
-	} else
-		conf->spreadingCode = spreadingCode;
-
-	if (channelSet == channelSetUNKNOWN) {
-		/* multiline macro, cannot remove braces */
-		READSHM(conf->channelSet, arlan->channelSet, u_char);
-	} else
-		conf->channelSet = channelSet;
-
-	if (channelNumber == channelNumberUNKNOWN) {
-		/* multiline macro, cannot remove braces */
-		READSHM(conf->channelNumber, arlan->channelNumber, u_char);
-	} else
-		conf->channelNumber = channelNumber;
-
-	READSHM(conf->scramblingDisable, arlan->scramblingDisable, u_char);
-	READSHM(conf->txAttenuation, arlan->txAttenuation, u_char);
-
-	if (systemId == systemIdUNKNOWN) {
-		/* multiline macro, cannot remove braces */
-		READSHM(conf->systemId, arlan->systemId, u_int);
-	} else
-		conf->systemId = systemId;
-
-	READSHM(conf->maxDatagramSize, arlan->maxDatagramSize, u_short);
-	READSHM(conf->maxFrameSize, arlan->maxFrameSize, u_short);
-	READSHM(conf->maxRetries, arlan->maxRetries, u_char);
-	READSHM(conf->receiveMode, arlan->receiveMode, u_char);
-	READSHM(conf->priority, arlan->priority, u_char);
-	READSHM(conf->rootOrRepeater, arlan->rootOrRepeater, u_char);
-
-	if (SID == SIDUNKNOWN) {
-		/* multiline macro, cannot remove braces */
-		  READSHM(conf->SID, arlan->SID, u_int);
-	} else
-		conf->SID = SID;
-
-	if (registrationMode == registrationModeUNKNOWN) {
-		/* multiline macro, cannot remove braces */
-		  READSHM(conf->registrationMode, arlan->registrationMode, u_char);
-	} else
-		conf->registrationMode = registrationMode;
-
-	READSHM(conf->registrationFill, arlan->registrationFill, u_char);
-	READSHM(conf->localTalkAddress, arlan->localTalkAddress, u_char);
-	READSHM(conf->codeFormat, arlan->codeFormat, u_char);
-	READSHM(conf->numChannels, arlan->numChannels, u_char);
-	READSHM(conf->channel1, arlan->channel1, u_char);
-	READSHM(conf->channel2, arlan->channel2, u_char);
-	READSHM(conf->channel3, arlan->channel3, u_char);
-	READSHM(conf->channel4, arlan->channel4, u_char);
-	READSHM(conf->waitTime, arlan->waitTime, u_short);
-	READSHM(conf->lParameter, arlan->lParameter, u_short);
-	READSHM(conf->_15, arlan->_15, u_short);
-	READSHM(conf->headerSize, arlan->headerSize, u_short);
-	READSHM(conf->hardwareType, arlan->hardwareType, u_char);
-	READSHM(conf->radioType, arlan->radioModule, u_char);
-
-	if (conf->radioType == 0)
-		conf->radioType = 0xc;
-
-	WRITESHM(arlan->configStatus, 0xA5, u_char);
-	READSHM(tlx415, arlan->configStatus, u_char);
-
-	if (tlx415 != 0xA5)
-		printk(KERN_INFO "%s tlx415 chip\n", dev->name);
-
-	conf->txClear = 0;
-	conf->txRetries = 1;
-	conf->txRouting = 1;
-	conf->txScrambled = 0;
-	conf->rxParameter = 1;
-	conf->txTimeoutMs = 4000;
-	conf->waitCardTimeout = 100000;
-	conf->receiveMode = ARLAN_RCV_CLEAN;
-	memcpy_fromio(conf->siteName, arlan->name, 16);
-	conf->siteName[16] = '\0';
-	conf->retries = retries;
-	conf->tx_delay_ms = tx_delay_ms;
-	conf->ReTransmitPacketMaxSize = 200;
-	conf->waitReTransmitPacketMaxSize = 200;
-	conf->txAckTimeoutMs = 900;
-	conf->fastReTransCount = 3;
-
-	ARLAN_DEBUG_EXIT("arlan_read_card_configuration");
-
-	return 0;
-}
-
-
-static int lastFoundAt = 0xbe000;
-
-
-/*
- * This is the real probe routine. Linux has a history of friendly device
- * probes on the ISA bus. A good device probes avoids doing writes, and
- * verifies that the correct device exists and functions.
- */
-#define ARLAN_SHMEM_SIZE	0x2000
-static int __init arlan_check_fingerprint(unsigned long memaddr)
-{
-	static const char probeText[] = "TELESYSTEM SLW INC.    ARLAN \0";
-	volatile struct arlan_shmem __iomem *arlan = (struct arlan_shmem *) memaddr;
-	unsigned long paddr = virt_to_phys((void *) memaddr);
-	char tempBuf[49];
-
-	ARLAN_DEBUG_ENTRY("arlan_check_fingerprint");
-
-	if (!request_mem_region(paddr, ARLAN_SHMEM_SIZE, "arlan")) {
-		/* printk(KERN_WARNING "arlan: memory region %lx excluded from probing\n",paddr); */
-		return -ENODEV;
-	}
-
-	memcpy_fromio(tempBuf, arlan->textRegion, 29);
-	tempBuf[30] = 0;
-
-	/* check for card at this address */
-	if (0 != strncmp(tempBuf, probeText, 29)) {
-		release_mem_region(paddr, ARLAN_SHMEM_SIZE);
-		return -ENODEV;
-	}
-
-	/* printk(KERN_INFO "arlan found at 0x%x\n",memaddr); */
-	ARLAN_DEBUG_EXIT("arlan_check_fingerprint");
-
-	return 0;
-}
-
-static int arlan_change_mtu(struct net_device *dev, int new_mtu)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-	struct arlan_conf_stru *conf = priv->Conf;
-
-	ARLAN_DEBUG_ENTRY("arlan_change_mtu");
-	if (new_mtu > 2032)
-		return -EINVAL;
-	dev->mtu = new_mtu;
-	if (new_mtu < 256)
-		new_mtu = 256;	/* cards book suggests 1600 */
-	conf->maxDatagramSize = new_mtu;
-	conf->maxFrameSize = new_mtu + 48;
-
-	arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_CONF);
-	printk(KERN_NOTICE "%s mtu changed to %d\n", dev->name, new_mtu);
-
-	ARLAN_DEBUG_EXIT("arlan_change_mtu");
-
-	return 0;
-}
-
-static int arlan_mac_addr(struct net_device *dev, void *p)
-{
-	struct sockaddr *addr = p;
-
-
-	ARLAN_DEBUG_ENTRY("arlan_mac_addr");
-	return -EINVAL;
-
-	if (netif_running(dev))
-		return -EBUSY;
-	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
-
-	ARLAN_DEBUG_EXIT("arlan_mac_addr");
-	return 0;
-}
-
-static const struct net_device_ops arlan_netdev_ops = {
-	.ndo_open		= arlan_open,
-	.ndo_stop		= arlan_close,
-	.ndo_start_xmit		= arlan_tx,
-	.ndo_get_stats		= arlan_statistics,
-	.ndo_set_multicast_list = arlan_set_multicast,
-	.ndo_change_mtu		= arlan_change_mtu,
-	.ndo_set_mac_address	= arlan_mac_addr,
-	.ndo_tx_timeout		= arlan_tx_timeout,
-	.ndo_validate_addr	= eth_validate_addr,
-};
-
-static int __init arlan_setup_device(struct net_device *dev, int num)
-{
-	struct arlan_private *ap = netdev_priv(dev);
-	int err;
-
-	ARLAN_DEBUG_ENTRY("arlan_setup_device");
-
-	ap->conf = (struct arlan_shmem *)(ap+1);
-
-	dev->tx_queue_len = tx_queue_len;
-	dev->netdev_ops = &arlan_netdev_ops;
-	dev->watchdog_timeo = 3*HZ;
-
-	ap->irq_test_done = 0;
-	ap->Conf = &arlan_conf[num];
-
-	ap->Conf->pre_Command_Wait = 40;
-	ap->Conf->rx_tweak1 = 30;
-	ap->Conf->rx_tweak2 = 0;
-
-
-	err = register_netdev(dev);
-	if (err) {
-		release_mem_region(virt_to_phys((void *) dev->mem_start),
-			   ARLAN_SHMEM_SIZE);
-		free_netdev(dev);
-		return err;
-	}
-	arlan_device[num] = dev;
-	ARLAN_DEBUG_EXIT("arlan_setup_device");
-	return 0;
-}
-
-static int __init arlan_probe_here(struct net_device *dev,
-				   unsigned long memaddr)
-{
-	struct arlan_private *ap = netdev_priv(dev);
-
-	ARLAN_DEBUG_ENTRY("arlan_probe_here");
-
-	if (arlan_check_fingerprint(memaddr))
-		return -ENODEV;
-
-	printk(KERN_NOTICE "%s: Arlan found at %llx,\n ", dev->name,
-	       (u64) virt_to_phys((void *)memaddr));
-
-	ap->card = (void *) memaddr;
-	dev->mem_start = memaddr;
-	dev->mem_end = memaddr + ARLAN_SHMEM_SIZE-1;
-
-	if (dev->irq < 2) {
-		/* multiline macro, cannot remove braces */
-		READSHM(dev->irq, ap->card->irqLevel, u_char);
-	} else if (dev->irq == 2)
-		dev->irq = 9;
-
-	arlan_read_card_configuration(dev);
-
-	ARLAN_DEBUG_EXIT("arlan_probe_here");
-	return 0;
-}
-
-
-static int arlan_open(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	int ret = 0;
-
-	ARLAN_DEBUG_ENTRY("arlan_open");
-
-	ret = request_irq(dev->irq, &arlan_interrupt, 0, dev->name, dev);
-	if (ret) {
-		printk(KERN_ERR "%s: unable to get IRQ %d .\n",
-			dev->name, dev->irq);
-		return ret;
-	}
-
-	priv->bad = 0;
-	priv->lastReset = 0;
-	priv->reset = 0;
-	memcpy_fromio(dev->dev_addr, arlan->lanCardNodeId, 6);
-	memset(dev->broadcast, 0xff, 6);
-	dev->tx_queue_len = tx_queue_len;
-	priv->interrupt_processing_active = 0;
-	spin_lock_init(&priv->lock);
-
-	netif_start_queue(dev);
-
-	priv->registrationLostCount = 0;
-	priv->registrationLastSeen = jiffies;
-	priv->txLast = 0;
-	priv->tx_command_given = 0;
-	priv->rx_command_given = 0;
-
-	priv->reRegisterExp = 1;
-	priv->tx_last_sent = jiffies - 1;
-	priv->tx_last_cleared = jiffies;
-	priv->Conf->writeEEPROM = 0;
-	priv->Conf->registrationInterrupts = 1;
-
-	init_timer(&priv->timer);
-	priv->timer.expires = jiffies + HZ / 10;
-	priv->timer.data = (unsigned long) dev;
-	priv->timer.function = &arlan_registration_timer;	/* timer handler */
-
-	arlan_command(dev, ARLAN_COMMAND_POWERUP | ARLAN_COMMAND_LONG_WAIT_NOW);
-	mdelay(200);
-	add_timer(&priv->timer);
-
-	ARLAN_DEBUG_EXIT("arlan_open");
-	return 0;
-}
-
-
-static void arlan_tx_timeout(struct net_device *dev)
-{
-	printk(KERN_ERR "%s: arlan transmit timed out, kernel decided\n", dev->name);
-	/* Try to restart the adaptor. */
-	arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
-	/* dev->trans_start = jiffies; */
-	/* netif_start_queue (dev); */
-}
-
-
-static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev)
-{
-	short length;
-	unsigned char *buf;
-
-	ARLAN_DEBUG_ENTRY("arlan_tx");
-
-	length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
-	buf = skb->data;
-
-	if (length + 0x12 > 0x800) {
-		printk(KERN_ERR "TX RING overflow\n");
-		netif_stop_queue(dev);
-	}
-
-	if (arlan_hw_tx(dev, buf, length) == -1)
-		goto bad_end;
-
-	dev->trans_start = jiffies;
-
-	dev_kfree_skb(skb);
-
-	arlan_process_interrupt(dev);
-	ARLAN_DEBUG_EXIT("arlan_tx");
-	return NETDEV_TX_OK;
-
-bad_end:
-	arlan_process_interrupt(dev);
-	netif_stop_queue(dev);
-	ARLAN_DEBUG_EXIT("arlan_tx");
-	return NETDEV_TX_BUSY;
-}
-
-
-static inline int DoNotReTransmitCrap(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-	if (TXLAST(dev).length < priv->Conf->ReTransmitPacketMaxSize)
-		return 1;
-	return 0;
-
-}
-
-static inline int DoNotWaitReTransmitCrap(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-	if (TXLAST(dev).length < priv->Conf->waitReTransmitPacketMaxSize)
-		return 1;
-	return 0;
-}
-
-static inline void arlan_queue_retransmit(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-	ARLAN_DEBUG_ENTRY("arlan_queue_retransmit");
-
-	if (DoNotWaitReTransmitCrap(dev))
-		arlan_drop_tx(dev);
-	else
-		priv->ReTransmitRequested++;
-
-	ARLAN_DEBUG_EXIT("arlan_queue_retransmit");
-}
-
-static inline void RetryOrFail(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-	ARLAN_DEBUG_ENTRY("RetryOrFail");
-
-	if (priv->retransmissions > priv->Conf->retries ||
-	    DoNotReTransmitCrap(dev))
-		arlan_drop_tx(dev);
-	else if (priv->bad <= priv->Conf->fastReTransCount)
-		arlan_retransmit_now(dev);
-	else
-		arlan_queue_retransmit(dev);
-
-	ARLAN_DEBUG_EXIT("RetryOrFail");
-}
-
-
-static void arlan_tx_done_interrupt(struct net_device *dev, int status)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-	ARLAN_DEBUG_ENTRY("arlan_tx_done_interrupt");
-
-	priv->tx_last_cleared = jiffies;
-	priv->tx_command_given = 0;
-	switch (status) {
-	case 1:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit OK\n");
-		dev->stats.tx_packets++;
-		priv->bad = 0;
-		priv->reset = 0;
-		priv->retransmissions = 0;
-		if (priv->Conf->tx_delay_ms)
-			priv->tx_done_delayed = jiffies + (priv->Conf->tx_delay_ms * HZ) / 1000 + 1;
-		else {
-			TXLAST(dev).offset = 0;
-			if (priv->txLast)
-				priv->txLast = 0;
-			else if (TXTAIL(dev).offset)
-				priv->txLast = 1;
-
-			if (TXLAST(dev).offset) {
-				arlan_retransmit_now(dev);
-				dev->trans_start = jiffies;
-			}
-
-			if (!TXHEAD(dev).offset || !TXTAIL(dev).offset)
-				netif_wake_queue(dev);
-		}
-	}
-	break;
-
-	case 2:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit timed out\n");
-		priv->bad += 1;
-		/* arlan_queue_retransmit(dev); */
-		RetryOrFail(dev);
-	}
-	break;
-
-	case 3:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit max retries\n");
-		priv->bad += 1;
-		priv->reset = 0;
-		/* arlan_queue_retransmit(dev); */
-		RetryOrFail(dev);
-	}
-	break;
-
-	case 4:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit aborted\n");
-		priv->bad += 1;
-		arlan_queue_retransmit(dev);
-		/* RetryOrFail(dev); */
-	}
-	break;
-
-	case 5:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit not registered\n");
-		priv->bad += 1;
-		/* debug=101; */
-		arlan_queue_retransmit(dev);
-	}
-	break;
-
-	case 6:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit destination full\n");
-		priv->bad += 1;
-		priv->reset = 0;
-		/* arlan_drop_tx(dev); */
-		arlan_queue_retransmit(dev);
-	}
-	break;
-
-	case 7:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit unknown ack\n");
-		priv->bad += 1;
-		priv->reset = 0;
-		arlan_queue_retransmit(dev);
-	}
-	break;
-
-	case 8:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit dest mail box full\n");
-		priv->bad += 1;
-		priv->reset = 0;
-		/* arlan_drop_tx(dev); */
-		arlan_queue_retransmit(dev);
-	}
-	break;
-
-	case 9:
-	{
-		IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
-			printk("arlan intr: transmit root dest not reg.\n");
-		priv->bad += 1;
-		priv->reset = 1;
-		/* arlan_drop_tx(dev); */
-		arlan_queue_retransmit(dev);
-	}
-	break;
-
-	default:
-	{
-		printk(KERN_ERR "arlan intr: transmit status unknown\n");
-		priv->bad += 1;
-		priv->reset = 1;
-		arlan_drop_tx(dev);
-	}
-	}
-
-	ARLAN_DEBUG_EXIT("arlan_tx_done_interrupt");
-}
-
-
-static void arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short rxOffset, u_short pkt_len)
-{
-	char *skbtmp;
-	int i = 0;
-
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	struct arlan_conf_stru *conf = priv->Conf;
-
-
-	ARLAN_DEBUG_ENTRY("arlan_rx_interrupt");
-	/* by spec,   not                WRITESHMB(arlan->rxStatus,0x00); */
-	/* prohibited here              arlan_command(dev, ARLAN_COMMAND_RX); */
-
-	if (pkt_len < 10 || pkt_len > 2048) {
-		printk(KERN_WARNING "%s: got too short or long packet, len %d\n", dev->name, pkt_len);
-		return;
-	}
-	if (rxOffset + pkt_len > 0x2000) {
-		printk("%s: got too long packet, len %d offset %x\n", dev->name, pkt_len, rxOffset);
-		return;
-	}
-
-	priv->in_bytes += pkt_len;
-	priv->in_bytes10 += pkt_len;
-	if (conf->measure_rate < 1)
-		conf->measure_rate = 1;
-	if (time_after(jiffies, priv->in_time + conf->measure_rate * HZ)) {
-		conf->in_speed = priv->in_bytes / conf->measure_rate;
-		priv->in_bytes = 0;
-		priv->in_time = jiffies;
-	}
-	if (time_after(jiffies, priv->in_time10 + conf->measure_rate * 10*HZ)) {
-		conf->in_speed10 = priv->in_bytes10 / (10 * conf->measure_rate);
-		priv->in_bytes10 = 0;
-		priv->in_time10 = jiffies;
-	}
-	DEBUGSHM(1, "arlan rcv pkt rxStatus= %d ", arlan->rxStatus, u_char);
-	switch (rxStatus) {
-	case 1:
-	case 2:
-	case 3:
-	{
-		/* Malloc up new buffer. */
-		struct sk_buff *skb;
-
-		DEBUGSHM(50, "arlan recv pkt offs=%d\n", arlan->rxOffset, u_short);
-		DEBUGSHM(1, "arlan rxFrmType = %d\n", arlan->rxFrmType, u_char);
-		DEBUGSHM(1, KERN_INFO "arlan rx scrambled = %d\n", arlan->scrambled, u_char);
-
-		/* here we do multicast filtering to avoid slow 8-bit memcopy */
-#ifdef ARLAN_MULTICAST
-		if (!(dev->flags & IFF_ALLMULTI) &&
-			!(dev->flags & IFF_PROMISC) &&
-			!netdev_mc_empty(dev)) {
-			char hw_dst_addr[6];
-			struct dev_mc_list *dmi;
-			int i;
-
-			memcpy_fromio(hw_dst_addr, arlan->ultimateDestAddress, 6);
-			if (hw_dst_addr[0] == 0x01) {
-				if (mdebug)
-					if (hw_dst_addr[1] == 0x00)
-						printk(KERN_ERR "%s mcast 0x0100\n", dev->name);
-					else if (hw_dst_addr[1] == 0x40)
-						printk(KERN_ERR "%s m/bcast 0x0140\n", dev->name);
-				netdev_for_each_mc_entry(dmi, dev) {
-					if (arlan_debug & ARLAN_DEBUG_HEADER_DUMP)
-						printk(KERN_ERR "%s mcl %pM\n",
-						       dev->name, dmi->dmi_addr);
-					for (i = 0; i < 6; i++)
-						if (dmi->dmi_addr[i] != hw_dst_addr[i])
-							break;
-					if (i == 6)
-						break;
-				}
-				/* we reach here if multicast filtering is on and packet */
-				/* is multicast and not for receive */
-				goto end_of_interrupt;
-			}
-		}
-#endif	/* ARLAN_MULTICAST */
-		/* multicast filtering ends here */
-		pkt_len += ARLAN_FAKE_HDR_LEN;
-
-		skb = dev_alloc_skb(pkt_len + 4);
-		if (skb == NULL) {
-			printk(KERN_ERR "%s: Memory squeeze, dropping packet.\n", dev->name);
-			dev->stats.rx_dropped++;
-			break;
-		}
-		skb_reserve(skb, 2);
-		skbtmp = skb_put(skb, pkt_len);
-
-		memcpy_fromio(skbtmp + ARLAN_FAKE_HDR_LEN, ((char __iomem *) arlan) + rxOffset, pkt_len - ARLAN_FAKE_HDR_LEN);
-		memcpy_fromio(skbtmp, arlan->ultimateDestAddress, 6);
-		memcpy_fromio(skbtmp + 6, arlan->rxSrc, 6);
-		WRITESHMB(arlan->rxStatus, 0x00);
-		arlan_command(dev, ARLAN_COMMAND_RX);
-
-		IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
-		{
-			char immedDestAddress[6];
-			char immedSrcAddress[6];
-			memcpy_fromio(immedDestAddress, arlan->immedDestAddress, 6);
-			memcpy_fromio(immedSrcAddress, arlan->immedSrcAddress, 6);
-
-			printk(KERN_WARNING "%s t %pM f %pM imd %pM ims %pM\n",
-			       dev->name, skbtmp,
-			       &skbtmp[6],
-			       immedDestAddress,
-			       immedSrcAddress);
-		}
-		skb->protocol = eth_type_trans(skb, dev);
-		IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
-			if (skb->protocol != 0x608 && skb->protocol != 0x8) {
-				for (i = 0; i <= 22; i++)
-					printk("%02x:", (u_char) skbtmp[i + 12]);
-				printk(KERN_ERR "\n");
-				printk(KERN_WARNING "arlan kernel pkt type trans %x\n", skb->protocol);
-			}
-		netif_rx(skb);
-		dev->stats.rx_packets++;
-		dev->stats.rx_bytes += pkt_len;
-	}
-	break;
-
-	default:
-		printk(KERN_ERR "arlan intr: received unknown status\n");
-		dev->stats.rx_crc_errors++;
-		break;
-	}
-	ARLAN_DEBUG_EXIT("arlan_rx_interrupt");
-}
-
-static void arlan_process_interrupt(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	u_char rxStatus = READSHMB(arlan->rxStatus);
-	u_char txStatus = READSHMB(arlan->txStatus);
-	u_short rxOffset = READSHMS(arlan->rxOffset);
-	u_short pkt_len = READSHMS(arlan->rxLength);
-	int interrupt_count = 0;
-
-	ARLAN_DEBUG_ENTRY("arlan_process_interrupt");
-
-	if (test_and_set_bit(0, (void *) &priv->interrupt_processing_active)) {
-		if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
-			printk(KERN_ERR "interrupt chain reentering\n");
-		goto end_int_process;
-	}
-	while ((rxStatus || txStatus || priv->interrupt_ack_requested)
-			&& (interrupt_count < 5)) {
-		if (rxStatus)
-			priv->last_rx_int_ack_time = jiffies;
-
-		arlan_command(dev, ARLAN_COMMAND_INT_ACK);
-		arlan_command(dev, ARLAN_COMMAND_INT_ENABLE);
-
-		IFDEBUG(ARLAN_DEBUG_INTERRUPT)
-			printk(KERN_ERR "%s:  got IRQ rx %x tx %x comm %x rxOff %x rxLen %x\n",
-					dev->name, rxStatus, txStatus, READSHMB(arlan->commandByte),
-					rxOffset, pkt_len);
-
-		if (rxStatus == 0 && txStatus == 0) {
-			if (priv->irq_test_done) {
-				if (!registrationBad(dev))
-					IFDEBUG(ARLAN_DEBUG_INTERRUPT) printk(KERN_ERR "%s unknown interrupt(nop? regLost ?) reason tx %d rx %d ",
-										    dev->name, txStatus, rxStatus);
-			} else {
-				IFDEBUG(ARLAN_DEBUG_INTERRUPT)
-					printk(KERN_INFO "%s irq $%d test OK\n", dev->name, dev->irq);
-
-			}
-			priv->interrupt_ack_requested = 0;
-			goto ends;
-		}
-
-		if (txStatus != 0) {
-			WRITESHMB(arlan->txStatus, 0x00);
-			arlan_tx_done_interrupt(dev, txStatus);
-			goto ends;
-		}
-
-		if (rxStatus == 1 || rxStatus == 2) {
-			/* a packet waiting */
-			arlan_rx_interrupt(dev, rxStatus, rxOffset, pkt_len);
-			goto ends;
-		}
-
-		if (rxStatus > 2 && rxStatus < 0xff) {
-			WRITESHMB(arlan->rxStatus, 0x00);
-			printk(KERN_ERR "%s unknown rxStatus reason tx %d rx %d ",
-				dev->name, txStatus, rxStatus);
-			goto ends;
-		}
-
-		if (rxStatus == 0xff) {
-			WRITESHMB(arlan->rxStatus, 0x00);
-			arlan_command(dev, ARLAN_COMMAND_RX);
-			if (registrationBad(dev))
-				netif_device_detach(dev);
-			if (!registrationBad(dev)) {
-				priv->registrationLastSeen = jiffies;
-				if (!netif_queue_stopped(dev) && !priv->under_reset && !priv->under_config)
-					netif_wake_queue(dev);
-			}
-			goto ends;
-		}
-ends:
-
-		arlan_command_process(dev);
-
-		rxStatus = READSHMB(arlan->rxStatus);
-		txStatus = READSHMB(arlan->txStatus);
-		rxOffset = READSHMS(arlan->rxOffset);
-		pkt_len = READSHMS(arlan->rxLength);
-
-
-		priv->irq_test_done = 1;
-
-		interrupt_count++;
-	}
-	priv->interrupt_processing_active = 0;
-
-end_int_process:
-	arlan_command_process(dev);
-
-	ARLAN_DEBUG_EXIT("arlan_process_interrupt");
-	return;
-}
-
-static irqreturn_t arlan_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = dev_id;
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	u_char rxStatus = READSHMB(arlan->rxStatus);
-	u_char txStatus = READSHMB(arlan->txStatus);
-
-	ARLAN_DEBUG_ENTRY("arlan_interrupt");
-
-
-	if (!rxStatus && !txStatus)
-		priv->interrupt_ack_requested++;
-
-	arlan_process_interrupt(dev);
-
-	priv->irq_test_done = 1;
-
-	ARLAN_DEBUG_EXIT("arlan_interrupt");
-	return IRQ_HANDLED;
-
-}
-
-
-static int arlan_close(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-
-	ARLAN_DEBUG_ENTRY("arlan_close");
-
-	del_timer_sync(&priv->timer);
-
-	arlan_command(dev, ARLAN_COMMAND_POWERDOWN);
-
-	IFDEBUG(ARLAN_DEBUG_STARTUP)
-		printk(KERN_NOTICE "%s: Closing device\n", dev->name);
-
-	netif_stop_queue(dev);
-	free_irq(dev->irq, dev);
-
-	ARLAN_DEBUG_EXIT("arlan_close");
-	return 0;
-}
-
-#ifdef ARLAN_DEBUGGING
-static long alignLong(volatile u_char *ptr)
-{
-	long ret;
-	memcpy_fromio(&ret, (void *) ptr, 4);
-	return ret;
-}
-#endif
-
-/*
- * Get the current statistics.
- * This may be called with the card open or closed.
- */
-
-static struct net_device_stats *arlan_statistics(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-
-
-	ARLAN_DEBUG_ENTRY("arlan_statistics");
-
-	/* Update the statistics from the device registers. */
-
-	READSHM(dev->stats.collisions, arlan->numReTransmissions, u_int);
-	READSHM(dev->stats.rx_crc_errors, arlan->numCRCErrors, u_int);
-	READSHM(dev->stats.rx_dropped, arlan->numFramesDiscarded, u_int);
-	READSHM(dev->stats.rx_fifo_errors, arlan->numRXBufferOverflows, u_int);
-	READSHM(dev->stats.rx_frame_errors, arlan->numReceiveFramesLost, u_int);
-	READSHM(dev->stats.rx_over_errors, arlan->numRXOverruns, u_int);
-	READSHM(dev->stats.rx_packets, arlan->numDatagramsReceived, u_int);
-	READSHM(dev->stats.tx_aborted_errors, arlan->numAbortErrors, u_int);
-	READSHM(dev->stats.tx_carrier_errors, arlan->numStatusTimeouts, u_int);
-	READSHM(dev->stats.tx_dropped, arlan->numDatagramsDiscarded, u_int);
-	READSHM(dev->stats.tx_fifo_errors, arlan->numTXUnderruns, u_int);
-	READSHM(dev->stats.tx_packets, arlan->numDatagramsTransmitted, u_int);
-	READSHM(dev->stats.tx_window_errors, arlan->numHoldOffs, u_int);
-
-	ARLAN_DEBUG_EXIT("arlan_statistics");
-
-	return &dev->stats;
-}
-
-
-static void arlan_set_multicast(struct net_device *dev)
-{
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	struct arlan_conf_stru *conf = priv->Conf;
-	int board_conf_needed = 0;
-
-
-	ARLAN_DEBUG_ENTRY("arlan_set_multicast");
-
-	if (dev->flags & IFF_PROMISC) {
-		unsigned char recMode;
-		READSHM(recMode, arlan->receiveMode, u_char);
-		conf->receiveMode = (ARLAN_RCV_PROMISC | ARLAN_RCV_CONTROL);
-		if (conf->receiveMode != recMode)
-			board_conf_needed = 1;
-	} else {
-		/* turn off promiscuous mode  */
-		unsigned char recMode;
-		READSHM(recMode, arlan->receiveMode, u_char);
-		conf->receiveMode = ARLAN_RCV_CLEAN | ARLAN_RCV_CONTROL;
-		if (conf->receiveMode != recMode)
-			board_conf_needed = 1;
-	}
-
-	if (board_conf_needed)
-		arlan_command(dev, ARLAN_COMMAND_CONF);
-
-	ARLAN_DEBUG_EXIT("arlan_set_multicast");
-}
-
-
-struct net_device * __init arlan_probe(int unit)
-{
-	struct net_device *dev;
-	int err;
-	int m;
-
-	ARLAN_DEBUG_ENTRY("arlan_probe");
-
-	if (arlans_found == MAX_ARLANS)
-		return ERR_PTR(-ENODEV);
-
-	/*
-	 * Reserve space for local data and a copy of the shared memory
-	 * that is used by the /proc interface.
-	 */
-	dev = alloc_etherdev(sizeof(struct arlan_private)
-			     + sizeof(struct arlan_shmem));
-	if (!dev)
-		return ERR_PTR(-ENOMEM);
-
-	if (unit >= 0) {
-		sprintf(dev->name, "eth%d", unit);
-		netdev_boot_setup_check(dev);
-
-		if (dev->mem_start) {
-			if (arlan_probe_here(dev, dev->mem_start) == 0)
-				goto found;
-			goto not_found;
-		}
-	}
-
-
-	for (m = (int)phys_to_virt(lastFoundAt) + ARLAN_SHMEM_SIZE;
-	     m <= (int)phys_to_virt(0xDE000);
-	     m += ARLAN_SHMEM_SIZE) {
-		if (arlan_probe_here(dev, m) == 0) {
-			lastFoundAt = (int)virt_to_phys((void *)m);
-			goto found;
-		}
-	}
-
-	if (lastFoundAt == 0xbe000)
-		printk(KERN_ERR "arlan: No Arlan devices found\n");
-
- not_found:
-	free_netdev(dev);
-	return ERR_PTR(-ENODEV);
-
- found:
-	err = arlan_setup_device(dev, arlans_found);
-	if (err)
-		dev = ERR_PTR(err);
-	else if (!arlans_found++)
-		printk(KERN_INFO "Arlan driver %s\n", arlan_version);
-
-	return dev;
-}
-
-#ifdef MODULE
-int __init init_module(void)
-{
-	int i = 0;
-
-	ARLAN_DEBUG_ENTRY("init_module");
-
-	if (channelSet != channelSetUNKNOWN || channelNumber != channelNumberUNKNOWN || systemId != systemIdUNKNOWN)
-		return -EINVAL;
-
-	for (i = 0; i < MAX_ARLANS; i++) {
-		struct net_device *dev = arlan_probe(i);
-
-		if (IS_ERR(dev))
-			return PTR_ERR(dev);
-	}
-	init_arlan_proc();
-	printk(KERN_INFO "Arlan driver %s\n", arlan_version);
-	ARLAN_DEBUG_EXIT("init_module");
-	return 0;
-}
-
-
-void __exit cleanup_module(void)
-{
-	int i = 0;
-	struct net_device *dev;
-
-	ARLAN_DEBUG_ENTRY("cleanup_module");
-
-	IFDEBUG(ARLAN_DEBUG_SHUTDOWN)
-		printk(KERN_INFO "arlan: unloading module\n");
-
-	cleanup_arlan_proc();
-
-	for (i = 0; i < MAX_ARLANS; i++) {
-		dev = arlan_device[i];
-		if (dev) {
-			arlan_command(dev, ARLAN_COMMAND_POWERDOWN);
-
-			unregister_netdev(dev);
-			release_mem_region(virt_to_phys((void *) dev->mem_start),
-					   ARLAN_SHMEM_SIZE);
-			free_netdev(dev);
-			arlan_device[i] = NULL;
-		}
-	}
-
-	ARLAN_DEBUG_EXIT("cleanup_module");
-}
-
-
-#endif
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/arlan/arlan-proc.c b/drivers/staging/arlan/arlan-proc.c
deleted file mode 100644
index 62cd1d0b59e..00000000000
--- a/drivers/staging/arlan/arlan-proc.c
+++ /dev/null
@@ -1,1199 +0,0 @@
-#include "arlan.h"
-
-#include <linux/sysctl.h>
-
-#ifdef CONFIG_PROC_FS
-
-/* void enableReceive(struct net_device* dev);
-*/
-
-
-
-#define ARLAN_STR_SIZE 0x2ff0
-#define DEV_ARLAN_INFO 1
-#define DEV_ARLAN 1
-#define SARLG(type, var) {\
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n", #var,\
-		READSHMB(priva->card->var));\
-	}
-
-#define SARLBN(type, var, nn) {\
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x", #var);\
-	for (i = 0; i < nn; i++)\
-		pos += sprintf(arlan_drive_info+pos, "%02x",\
-			READSHMB(priva->card->var[i]));\
-		pos += sprintf(arlan_drive_info+pos, "\n");\
-	}
-
-#define SARLBNpln(type, var, nn) {\
-	for (i = 0; i < nn; i++)\
-		pos += sprintf(arlan_drive_info+pos, "%02x",\
-			READSHMB(priva->card->var[i]));\
-	}
-
-#define SARLSTR(var, nn) {\
-	char tmpStr[400];\
-	int  tmpLn = nn;\
-	if (nn > 399)\
-		tmpLn = 399;\
-	memcpy(tmpStr, (char *) priva->conf->var, tmpLn);\
-	tmpStr[tmpLn] = 0; \
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t%s\n",\
-		#var, priva->conf->var);\
-	}
-
-#define SARLUC(var) SARLG(u_char, var)
-#define SARLUCN(var, nn) SARLBN(u_char, var, nn)
-#define SARLUS(var)	SARLG(u_short, var)
-#define SARLUSN(var, nn)	SARLBN(u_short, var, nn)
-#define SARLUI(var)	SARLG(u_int, var)
-
-#define SARLUSA(var) {\
-	u_short tmpVar;\
-	memcpy(&tmpVar, (short *) priva->conf->var, 2); \
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n", #var, tmpVar);\
-}
-
-#define SARLUIA(var) {\
-	u_int tmpVar;\
-	memcpy(&tmpVar, (int *)priva->conf->var, 4); \
-	pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n", #var, tmpVar);\
-}
-
-
-static const char *arlan_diagnostic_info_string(struct net_device *dev)
-{
-
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	u_char diagnosticInfo;
-
-	READSHM(diagnosticInfo, arlan->diagnosticInfo, u_char);
-
-	switch (diagnosticInfo) {
-
-	case 0xFF:
-			return "Diagnostic info is OK";
-	case 0xFE:
-		return "ERROR EPROM Checksum error ";
-	case 0xFD:
-		return "ERROR Local Ram Test Failed ";
-	case 0xFC:
-		return "ERROR SCC failure ";
-	case 0xFB:
-		return "ERROR BackBone failure ";
-	case 0xFA:
-		return "ERROR transceiver not found ";
-	case 0xF9:
-		return "ERROR no more address space ";
-	case 0xF8:
-		return "ERROR Checksum error  ";
-	case 0xF7:
-		return "ERROR Missing SS Code";
-	case 0xF6:
-		return "ERROR Invalid config format";
-	case 0xF5:
-		return "ERROR Reserved errorcode F5";
-	case 0xF4:
-		return "ERROR Invalid spreading code/channel number";
-	case 0xF3:
-		return "ERROR Load Code Error";
-	case 0xF2:
-		return "ERROR Reserver errorcode F2 ";
-	case 0xF1:
-		return "ERROR Invalid command receivec by LAN card ";
-	case 0xF0:
-		return "ERROR Invalid parameter found in command ";
-	case 0xEF:
-		return "ERROR On-chip timer failure ";
-	case 0xEE:
-		return "ERROR T410 timer failure ";
-	case 0xED:
-		return "ERROR Too Many TxEnable commands ";
-	case 0xEC:
-		return "ERROR EEPROM error on radio module ";
-	default:
-		return "ERROR unknown Diagnostic info reply code ";
-	}
-}
-
-static const char *arlan_hardware_type_string(struct net_device *dev)
-{
-	u_char hardwareType;
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-
-	READSHM(hardwareType, arlan->hardwareType, u_char);
-	switch (hardwareType) {
-	case 0x00:
-		return "type A450";
-	case 0x01:
-		return "type A650 ";
-	case 0x04:
-		return "type TMA coproc";
-	case 0x0D:
-		return "type A650E ";
-	case 0x18:
-		return "type TMA coproc Australian";
-	case 0x19:
-		return "type A650A ";
-	case 0x26:
-		return "type TMA coproc European";
-	case 0x2E:
-		return "type A655 ";
-	case 0x2F:
-		return "type A655A ";
-	case 0x30:
-		return "type A655E ";
-	case 0x0B:
-		return "type A670 ";
-	case 0x0C:
-		return "type A670E ";
-	case 0x2D:
-		return "type A670A ";
-	case 0x0F:
-		return "type A411T";
-	case 0x16:
-		return "type A411TA";
-	case 0x1B:
-		return "type A440T";
-	case 0x1C:
-		return "type A412T";
-	case 0x1E:
-		return "type A412TA";
-	case 0x22:
-		return "type A411TE";
-	case 0x24:
-		return "type A412TE";
-	case 0x27:
-		return "type A671T ";
-	case 0x29:
-		return "type A671TA ";
-	case 0x2B:
-		return "type A671TE ";
-	case 0x31:
-		return "type A415T ";
-	case 0x33:
-		return "type A415TA ";
-	case 0x35:
-		return "type A415TE ";
-	case 0x37:
-		return "type A672";
-	case 0x39:
-		return "type A672A ";
-	case 0x3B:
-		return "type A672T";
-	case 0x6B:
-		return "type IC2200";
-	default:
-		return "type A672T";
-	}
-}
-#ifdef ARLAN_DEBUGGING
-static void arlan_print_diagnostic_info(struct net_device *dev)
-{
-	int i;
-	u_char diagnosticInfo;
-	u_short diagnosticOffset;
-	u_char hardwareType;
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-
-	/* ARLAN_DEBUG_ENTRY("arlan_print_diagnostic_info"); */
-
-	if (READSHMB(arlan->configuredStatusFlag) == 0)
-		printk(KERN_WARNING "Arlan: Card NOT configured\n");
-	else
-		printk(KERN_INFO "Arlan: Card is configured\n");
-
-	READSHM(diagnosticInfo, arlan->diagnosticInfo, u_char);
-	READSHM(diagnosticOffset, arlan->diagnosticOffset, u_short);
-
-	printk(KERN_INFO "%s\n", arlan_diagnostic_info_string(dev));
-
-	if (diagnosticInfo != 0xff)
-		printk(KERN_INFO "%s arlan: Diagnostic Offset %d\n",\
-			dev->name, diagnosticOffset);
-
-	printk(KERN_INFO "arlan: LAN CODE ID = ");
-	for (i = 0; i < 6; i++)
-		DEBUGSHM(1, "%03d:", arlan->lanCardNodeId[i], u_char);
-	printk("\n");
-
-	printk(KERN_INFO "arlan: Arlan BroadCast address  = ");
-	for (i = 0; i < 6; i++)
-		DEBUGSHM(1, "%03d:", arlan->broadcastAddress[i], u_char);
-	printk("\n");
-
-	READSHM(hardwareType, arlan->hardwareType, u_char);
-	printk(KERN_INFO "%s\n", arlan_hardware_type_string(dev));
-
-
-	DEBUGSHM(1, "arlan: channelNumber=%d\n", arlan->channelNumber, u_char);
-	DEBUGSHM(1, "arlan: channelSet=%d\n", arlan->channelSet, u_char);
-	DEBUGSHM(1, "arlan: spreadingCode=%d\n", arlan->spreadingCode, u_char);
-	DEBUGSHM(1, "arlan: radioNodeId=%d\n", arlan->radioNodeId, u_short);
-	DEBUGSHM(1, "arlan: SID	=%d\n", arlan->SID, u_short);
-	DEBUGSHM(1, "arlan: rxOffset=%d\n", arlan->rxOffset, u_short);
-
-	DEBUGSHM(1, "arlan: registration mode is %d\n",\
-		arlan->registrationMode, u_char);
-
-	printk(KERN_INFO "arlan: name= ");
-	IFDEBUG(1)
-
-	for (i = 0; i < 16; i++) {
-		char c;
-		READSHM(c, arlan->name[i], char);
-		if (c)
-			printk("%c", c);
-	}
-	printk("\n");
-
-	/* ARLAN_DEBUG_EXIT("arlan_print_diagnostic_info"); */
-
-}
-
-
-/******************************	TEST MEMORY	**************/
-
-static int arlan_hw_test_memory(struct net_device *dev)
-{
-	u_char *ptr;
-	int i;
-	int memlen = sizeof(struct arlan_shmem) - 0xF;	/* avoid
-										control register */
-	volatile char *arlan_mem = (char *) (dev->mem_start);
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-	char pattern;
-
-	ptr = NULL;
-
-	/* hold card in reset state */
-	setHardwareReset(dev);
-
-	/* test memory */
-	pattern = 0;
-	for (i = 0; i < memlen; i++)
-		WRITESHM(arlan_mem[i], ((u_char) pattern++), u_char);
-
-	pattern = 0;
-	for (i = 0; i < memlen; i++) {
-		char res;
-		READSHM(res, arlan_mem[i], char);
-		if (res != pattern++) {
-			printk(KERN_ERR "Arlan driver memory test 1 failed\n");
-			return -1;
-		}
-	}
-
-	pattern = 0;
-	for (i = 0; i < memlen; i++)
-		WRITESHM(arlan_mem[i], ~(pattern++), char);
-
-	pattern = 0;
-	for (i = 0; i < memlen; i++) {
-		char res;
-		READSHM(res, arlan_mem[i], char);
-		if (res != ~(pattern++)) {
-			printk(KERN_ERR "Arlan driver memory test 2 failed\n");
-			return -1;
-		}
-	}
-
-	/* zero memory */
-	for (i = 0; i < memlen; i++)
-		WRITESHM(arlan_mem[i], 0x00, char);
-
-	IFDEBUG(1) printk(KERN_INFO "Arlan: memory tests ok\n");
-
-	/* set reset flag and then release reset */
-	WRITESHM(arlan->resetFlag, 0xff, u_char);
-
-	clearChannelAttention(dev);
-	clearHardwareReset(dev);
-
-	/* wait for reset flag to become zero, we'll wait for two seconds */
-	if (arlan_command(dev, ARLAN_COMMAND_LONG_WAIT_NOW)) {
-		printk(KERN_ERR "%s arlan: failed to come\
-			back from memory test\n", dev->name);
-		return -1;
-	}
-	return 0;
-}
-
-static int arlan_setup_card_by_book(struct net_device *dev)
-{
-	u_char irqLevel, configuredStatusFlag;
-	struct arlan_private *priv = netdev_priv(dev);
-	volatile struct arlan_shmem __iomem *arlan = priv->card;
-
-	/* ARLAN_DEBUG_ENTRY("arlan_setup_card"); */
-
-	READSHM(configuredStatusFlag, arlan->configuredStatusFlag, u_char);
-
-	IFDEBUG(10)
-	if (configuredStatusFlag != 0)
-		IFDEBUG(10) printk(KERN_INFO "arlan: CARD IS CONFIGURED\n");
-	else
-		IFDEBUG(10) printk(KERN_WARNING\
-			"arlan: card is NOT configured\n");
-
-	if (testMemory || (READSHMB(arlan->diagnosticInfo) != 0xff))
-		if (arlan_hw_test_memory(dev))
-			return -1;
-
-	DEBUGSHM(4, "arlan configuredStatus = %d\n",\
-		arlan->configuredStatusFlag, u_char);
-	DEBUGSHM(4, "arlan driver diagnostic: 0x%2x\n",\
-		arlan->diagnosticInfo, u_char);
-
-	/* issue nop command - no interrupt */
-	arlan_command(dev, ARLAN_COMMAND_NOOP);
-	if (arlan_command(dev, ARLAN_COMMAND_WAIT_NOW) != 0)
-		return -1;
-
-	IFDEBUG(50) printk(KERN_INFO "1st Noop successfully executed !!\n");
-
-	/* try to turn on the arlan interrupts */
-	clearClearInterrupt(dev);
-	setClearInterrupt(dev);
-	setInterruptEnable(dev);
-
-	/* issue nop command - with interrupt */
-
-	arlan_command(dev, ARLAN_COMMAND_NOOPINT);
-	if (arlan_command(dev, ARLAN_COMMAND_WAIT_NOW) != 0)
-		return -1;
-
-
-	IFDEBUG(50) printk(KERN_INFO "2nd Noop successfully executed !!\n");
-
-	READSHM(irqLevel, arlan->irqLevel, u_char)
-
-	if (irqLevel != dev->irq) {
-		IFDEBUG(1) printk(KERN_WARNING "arlan dip switches\
-			set irq to %d\n", irqLevel);
-		printk(KERN_WARNING "device driver irq set to %d-\
-			does not match\n", dev->irq);
-		dev->irq = irqLevel;
-	} else
-		IFDEBUG(2) printk(KERN_INFO "irq level is OK\n");
-
-
-	IFDEBUG(3) arlan_print_diagnostic_info(dev);
-
-	arlan_command(dev, ARLAN_COMMAND_CONF);
-
-	READSHM(configuredStatusFlag, arlan->configuredStatusFlag, u_char);
-	if (configuredStatusFlag == 0) {
-		printk(KERN_WARNING "arlan configure failed\n");
-		return -1;
-	}
-	arlan_command(dev, ARLAN_COMMAND_LONG_WAIT_NOW);
-	arlan_command(dev, ARLAN_COMMAND_RX);
-	arlan_command(dev, ARLAN_COMMAND_LONG_WAIT_NOW);
-	printk(KERN_NOTICE "%s: arlan driver version %s loaded\n",
-	       dev->name, arlan_version);
-
-	/* ARLAN_DEBUG_EXIT("arlan_setup_card"); */
-
-	return 0;		/* no errors */
-}
-#endif
-
-#ifdef ARLAN_PROC_INTERFACE
-#ifdef ARLAN_PROC_SHM_DUMP
-
-static char arlan_drive_info[ARLAN_STR_SIZE] = "A655\n\0";
-
-static int arlan_sysctl_info(ctl_table *ctl, int write,
-		      void __user *buffer, size_t * lenp, loff_t *ppos)
-{
-	int i;
-	int retv, pos, devnum;
-	struct arlan_private *priva = NULL;
-	struct net_device *dev;
-	pos = 0;
-	if (write) {
-		printk(KERN_INFO "wrirte: ");
-		for (i = 0; i < 100; i++)
-			printk("adi %x\n", arlan_drive_info[i]);
-	}
-	if (ctl->procname == NULL || arlan_drive_info == NULL) {
-		printk(KERN_WARNING " procname is NULL in sysctl_table or arlan_drive_info is NULL\n at arlan module\n ");
-		return -1;
-	}
-	devnum = ctl->procname[5] - '0';
-	if (devnum < 0 || devnum > MAX_ARLANS - 1) {
-		printk(KERN_WARNING "too strange devnum in procfs parse\n ");
-		return -1;
-	} else if (arlan_device[devnum] == NULL) {
-		if (ctl->procname)
-			pos += sprintf(arlan_drive_info + pos,\
-				"\t%s\n\n", ctl->procname);
-		pos += sprintf(arlan_drive_info + pos,\
-			"No device found here\n");
-		goto final;
-	} else
-		priva = netdev_priv(arlan_device[devnum]);
-
-	if (priva == NULL) {
-		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
-		return -1;
-	}
-	dev = arlan_device[devnum];
-
-	memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem));
-
-	pos = sprintf(arlan_drive_info, "Arlan  info\n");
-	/* Header Signature */
-	SARLSTR(textRegion, 48);
-	SARLUC(resetFlag);
-	pos += sprintf(arlan_drive_info + pos,\
-		"diagnosticInfo\t=\t%s\n", arlan_diagnostic_info_string(dev));
-	SARLUC(diagnosticInfo);
-	SARLUS(diagnosticOffset);
-	SARLUCN(_1, 12);
-	SARLUCN(lanCardNodeId, 6);
-	SARLUCN(broadcastAddress, 6);
-	pos += sprintf(arlan_drive_info + pos,\
-		"hardwareType =\t  %s\n", arlan_hardware_type_string(dev));
-	SARLUC(hardwareType);
-	SARLUC(majorHardwareVersion);
-	SARLUC(minorHardwareVersion);
-	SARLUC(radioModule);
-	SARLUC(defaultChannelSet);
-	SARLUCN(_2, 47);
-
-	/* Control/Status Block - 0x0080 */
-	SARLUC(interruptInProgress);
-	SARLUC(cntrlRegImage);
-
-	SARLUCN(_3, 14);
-	SARLUC(commandByte);
-	SARLUCN(commandParameter, 15);
-
-	/* Receive Status - 0x00a0 */
-	SARLUC(rxStatus);
-	SARLUC(rxFrmType);
-	SARLUS(rxOffset);
-	SARLUS(rxLength);
-	SARLUCN(rxSrc, 6);
-	SARLUC(rxBroadcastFlag);
-	SARLUC(rxQuality);
-	SARLUC(scrambled);
-	SARLUCN(_4, 1);
-
-	/* Transmit Status - 0x00b0 */
-	SARLUC(txStatus);
-	SARLUC(txAckQuality);
-	SARLUC(numRetries);
-	SARLUCN(_5, 14);
-	SARLUCN(registeredRouter, 6);
-	SARLUCN(backboneRouter, 6);
-	SARLUC(registrationStatus);
-	SARLUC(configuredStatusFlag);
-	SARLUCN(_6, 1);
-	SARLUCN(ultimateDestAddress, 6);
-	SARLUCN(immedDestAddress, 6);
-	SARLUCN(immedSrcAddress, 6);
-	SARLUS(rxSequenceNumber);
-	SARLUC(assignedLocaltalkAddress);
-	SARLUCN(_7, 27);
-
-	/* System Parameter Block */
-
-	/* - Driver Parameters (Novell Specific) */
-
-	SARLUS(txTimeout);
-	SARLUS(transportTime);
-	SARLUCN(_8, 4);
-
-	/* - Configuration Parameters */
-	SARLUC(irqLevel);
-	SARLUC(spreadingCode);
-	SARLUC(channelSet);
-	SARLUC(channelNumber);
-	SARLUS(radioNodeId);
-	SARLUCN(_9, 2);
-	SARLUC(scramblingDisable);
-	SARLUC(radioType);
-	SARLUS(routerId);
-	SARLUCN(_10, 9);
-	SARLUC(txAttenuation);
-	SARLUIA(systemId);
-	SARLUS(globalChecksum);
-	SARLUCN(_11, 4);
-	SARLUS(maxDatagramSize);
-	SARLUS(maxFrameSize);
-	SARLUC(maxRetries);
-	SARLUC(receiveMode);
-	SARLUC(priority);
-	SARLUC(rootOrRepeater);
-	SARLUCN(specifiedRouter, 6);
-	SARLUS(fastPollPeriod);
-	SARLUC(pollDecay);
-	SARLUSA(fastPollDelay);
-	SARLUC(arlThreshold);
-	SARLUC(arlDecay);
-	SARLUCN(_12, 1);
-	SARLUS(specRouterTimeout);
-	SARLUCN(_13, 5);
-
-	/* Scrambled Area */
-	SARLUIA(SID);
-	SARLUCN(encryptionKey, 12);
-	SARLUIA(_14);
-	SARLUSA(waitTime);
-	SARLUSA(lParameter);
-	SARLUCN(_15, 3);
-	SARLUS(headerSize);
-	SARLUS(sectionChecksum);
-
-	SARLUC(registrationMode);
-	SARLUC(registrationFill);
-	SARLUS(pollPeriod);
-	SARLUS(refreshPeriod);
-	SARLSTR(name, 16);
-	SARLUCN(NID, 6);
-	SARLUC(localTalkAddress);
-	SARLUC(codeFormat);
-	SARLUC(numChannels);
-	SARLUC(channel1);
-	SARLUC(channel2);
-	SARLUC(channel3);
-	SARLUC(channel4);
-	SARLUCN(SSCode, 59);
-
-/*      SARLUCN( _16, 0x140);
- */
-	/* Statistics Block - 0x0300 */
-	SARLUC(hostcpuLock);
-	SARLUC(lancpuLock);
-	SARLUCN(resetTime, 18);
-	SARLUIA(numDatagramsTransmitted);
-	SARLUIA(numReTransmissions);
-	SARLUIA(numFramesDiscarded);
-	SARLUIA(numDatagramsReceived);
-	SARLUIA(numDuplicateReceivedFrames);
-	SARLUIA(numDatagramsDiscarded);
-	SARLUS(maxNumReTransmitDatagram);
-	SARLUS(maxNumReTransmitFrames);
-	SARLUS(maxNumConsecutiveDuplicateFrames);
-	/* misaligned here so we have to go to characters */
-	SARLUIA(numBytesTransmitted);
-	SARLUIA(numBytesReceived);
-	SARLUIA(numCRCErrors);
-	SARLUIA(numLengthErrors);
-	SARLUIA(numAbortErrors);
-	SARLUIA(numTXUnderruns);
-	SARLUIA(numRXOverruns);
-	SARLUIA(numHoldOffs);
-	SARLUIA(numFramesTransmitted);
-	SARLUIA(numFramesReceived);
-	SARLUIA(numReceiveFramesLost);
-	SARLUIA(numRXBufferOverflows);
-	SARLUIA(numFramesDiscardedAddrMismatch);
-	SARLUIA(numFramesDiscardedSIDMismatch);
-	SARLUIA(numPollsTransmistted);
-	SARLUIA(numPollAcknowledges);
-	SARLUIA(numStatusTimeouts);
-	SARLUIA(numNACKReceived);
-	SARLUS(auxCmd);
-	SARLUCN(dumpPtr, 4);
-	SARLUC(dumpVal);
-	SARLUC(wireTest);
-
-	/* next 4 seems too long for procfs, over single page ?
-	SARLUCN( _17, 0x86);
-	SARLUCN( txBuffer, 0x800);
-	SARLUCN( rxBuffer,  0x800);
-	SARLUCN( _18, 0x0bff);
-	 */
-
-	pos += sprintf(arlan_drive_info + pos, "rxRing\t=\t0x");
-	for (i = 0; i < 0x50; i++)
-		pos += sprintf(arlan_drive_info + pos, "%02x",\
-			((char *) priva->conf)[priva->conf->rxOffset + i]);
-	pos += sprintf(arlan_drive_info + pos, "\n");
-
-	SARLUC(configStatus);
-	SARLUC(_22);
-	SARLUC(progIOCtrl);
-	SARLUC(shareMBase);
-	SARLUC(controlRegister);
-
-	pos += sprintf(arlan_drive_info + pos, " total %d chars\n", pos);
-	if (ctl)
-		if (ctl->procname)
-			pos += sprintf(arlan_drive_info + pos,\
-				" driver name : %s\n", ctl->procname);
-final:
-	*lenp = pos;
-
-	if (!write)
-		retv = proc_dostring(ctl, write, buffer, lenp, ppos);
-	else {
-		*lenp = 0;
-		return -1;
-	}
-	return retv;
-}
-
-
-static int arlan_sysctl_info161719(ctl_table *ctl, int write,
-			    void __user *buffer, size_t * lenp, loff_t *ppos)
-{
-	int i;
-	int retv, pos, devnum;
-	struct arlan_private *priva = NULL;
-
-	pos = 0;
-	devnum = ctl->procname[5] - '0';
-	if (arlan_device[devnum] == NULL) {
-		pos += sprintf(arlan_drive_info + pos,\
-			"No device found here\n");
-		goto final;
-	} else
-		priva = netdev_priv(arlan_device[devnum]);
-
-	if (priva == NULL) {
-		printk(KERN_WARNING " Could not find the device\
-			private in arlan procsys, bad\n ");
-		return -1;
-	}
-	memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem));
-	SARLUCN(_16, 0xC0);
-	SARLUCN(_17, 0x6A);
-	SARLUCN(_18, 14);
-	SARLUCN(_19, 0x86);
-	SARLUCN(_21, 0x3fd);
-
-final:
-	*lenp = pos;
-	retv = proc_dostring(ctl, write, buffer, lenp, ppos);
-	return retv;
-}
-
-static int arlan_sysctl_infotxRing(ctl_table *ctl, int write,
-			    void __user *buffer, size_t * lenp, loff_t *ppos)
-{
-	int i;
-	int retv, pos, devnum;
-	struct arlan_private *priva = NULL;
-
-	pos = 0;
-	devnum = ctl->procname[5] - '0';
-	if (arlan_device[devnum] == NULL) {
-		pos += sprintf(arlan_drive_info + pos,\
-			"No device found here\n");
-		goto final;
-	} else
-		priva = netdev_priv(arlan_device[devnum]);
-
-	if (priva == NULL) {
-		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
-		return -1;
-	}
-	memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem));
-	SARLBNpln(u_char, txBuffer, 0x800);
-final:
-	*lenp = pos;
-	retv = proc_dostring(ctl, write, buffer, lenp, ppos);
-	return retv;
-}
-
-static int arlan_sysctl_inforxRing(ctl_table *ctl, int write,
-			    void __user *buffer, size_t * lenp, loff_t *ppos)
-{
-	int i;
-	int retv, pos, devnum;
-	struct arlan_private *priva = NULL;
-
-	pos = 0;
-	devnum = ctl->procname[5] - '0';
-	if (arlan_device[devnum] == NULL) {
-		pos += sprintf(arlan_drive_info + pos,\
-			"No device found here\n");
-		goto final;
-	} else
-		priva = netdev_priv(arlan_device[devnum]);
-	if (priva == NULL) {
-		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
-		return -1;
-	}
-	memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem));
-	SARLBNpln(u_char, rxBuffer, 0x800);
-final:
-	*lenp = pos;
-	retv = proc_dostring(ctl, write, buffer, lenp, ppos);
-	return retv;
-}
-
-static int arlan_sysctl_info18(ctl_table *ctl, int write,
-			void __user *buffer, size_t * lenp, loff_t *ppos)
-{
-	int i;
-	int retv, pos, devnum;
-	struct arlan_private *priva = NULL;
-
-	pos = 0;
-	devnum = ctl->procname[5] - '0';
-	if (arlan_device[devnum] == NULL) {
-		pos += sprintf(arlan_drive_info + pos,\
-			"No device found here\n");
-		goto final;
-	} else
-		priva = netdev_priv(arlan_device[devnum]);
-
-	if (priva == NULL) {
-		printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n ");
-		return -1;
-	}
-
-	memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem));
-	SARLBNpln(u_char, _18, 0x800);
-
-final:
-	*lenp = pos;
-	retv = proc_dostring(ctl, write, buffer, lenp, ppos);
-	return retv;
-}
-
-
-#endif				/* #ifdef ARLAN_PROC_SHM_DUMP */
-
-
-static char conf_reset_result[200];
-
-static int arlan_configure(ctl_table *ctl, int write,
-		    void __user *buffer, size_t * lenp, loff_t *ppos)
-{
-	int pos = 0;
-	int devnum = ctl->procname[6] - '0';
-	struct arlan_private *priv;
-
-	if (devnum < 0 || devnum > MAX_ARLANS - 1) {
-		  printk(KERN_WARNING "too strange devnum in procfs parse\n");
-		  return -1;
-	} else if (arlan_device[devnum] != NULL) {
-		priv = netdev_priv(arlan_device[devnum]);
-		arlan_command(arlan_device[devnum],\
-			ARLAN_COMMAND_CLEAN_AND_CONF);
-	} else
-		return -1;
-
-	*lenp = pos;
-	return proc_dostring(ctl, write, buffer, lenp, ppos);
-}
-
-static int arlan_sysctl_reset(ctl_table *ctl, int write,
-		       void __user *buffer, size_t * lenp, loff_t *ppos)
-{
-	int pos = 0;
-	int devnum = ctl->procname[5] - '0';
-	struct arlan_private *priv;
-
-	if (devnum < 0 || devnum > MAX_ARLANS - 1) {
-		  printk(KERN_WARNING "too strange devnum in procfs parse\n");
-		  return -1;
-
-	} else if (arlan_device[devnum] != NULL) {
-		priv = netdev_priv(arlan_device[devnum]);
-		arlan_command(arlan_device[devnum], \
-			ARLAN_COMMAND_CLEAN_AND_RESET);
-
-	} else
-		return -1;
-
-	*lenp = pos + 3;
-	return proc_dostring(ctl, write, buffer, lenp, ppos);
-}
-
-
-/* Place files in /proc/sys/dev/arlan */
-#define CTBLN(card, nam) \
-	{ .procname = #nam,\
-	.data = &(arlan_conf[card].nam),\
-	.maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec}
-#ifdef ARLAN_DEBUGGING
-
-#define ARLAN_PROC_DEBUG_ENTRIES do {\
-
-	{ .procname = "entry_exit_debug",\
-		.data = &arlan_entry_and_exit_debug,\
-	.maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec},\
-	{ .procname = "debug", .data = &arlan_debug,\
-	.maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec},
-
-	} while (0)
-#else
-#define ARLAN_PROC_DEBUG_ENTRIES
-#endif
-
-#define ARLAN_SYSCTL_TABLE_TOTAL(cardNo)\
-	CTBLN(cardNo, spreadingCode),\
-	CTBLN(cardNo, channelNumber),\
-	CTBLN(cardNo, scramblingDisable),\
-	CTBLN(cardNo, txAttenuation),\
-	CTBLN(cardNo, systemId), \
-	CTBLN(cardNo, maxDatagramSize),\
-	CTBLN(cardNo, maxFrameSize),\
-	CTBLN(cardNo, maxRetries),\
-	CTBLN(cardNo, receiveMode),\
-	CTBLN(cardNo, priority),\
-	CTBLN(cardNo, rootOrRepeater),\
-	CTBLN(cardNo, SID),\
-	CTBLN(cardNo, registrationMode),\
-	CTBLN(cardNo, registrationFill),\
-	CTBLN(cardNo, localTalkAddress),\
-	CTBLN(cardNo, codeFormat),\
-	CTBLN(cardNo, numChannels),\
-	CTBLN(cardNo, channel1),\
-	CTBLN(cardNo, channel2),\
-	CTBLN(cardNo, channel3),\
-	CTBLN(cardNo, channel4),\
-	CTBLN(cardNo, txClear),\
-	CTBLN(cardNo, txRetries),\
-	CTBLN(cardNo, txRouting),\
-	CTBLN(cardNo, txScrambled),\
-	CTBLN(cardNo, rxParameter),\
-	CTBLN(cardNo, txTimeoutMs),\
-	CTBLN(cardNo, waitCardTimeout),\
-	CTBLN(cardNo, channelSet),\
-	{ .procname = "name",\
-	 .data = arlan_conf[cardNo].siteName,\
-	 .maxlen = 16, .mode = 0600, .proc_handler = proc_dostring },\
-	CTBLN(cardNo, waitTime),\
-	CTBLN(cardNo, lParameter),\
-	CTBLN(cardNo, _15),\
-	CTBLN(cardNo, headerSize),\
-	CTBLN(cardNo, tx_delay_ms),\
-	CTBLN(cardNo, retries),\
-	CTBLN(cardNo, ReTransmitPacketMaxSize),\
-	CTBLN(cardNo, waitReTransmitPacketMaxSize),\
-	CTBLN(cardNo, fastReTransCount),\
-	CTBLN(cardNo, driverRetransmissions),\
-	CTBLN(cardNo, txAckTimeoutMs),\
-	CTBLN(cardNo, registrationInterrupts),\
-	CTBLN(cardNo, hardwareType),\
-	CTBLN(cardNo, radioType),\
-	CTBLN(cardNo, writeEEPROM),\
-	CTBLN(cardNo, writeRadioType),\
-	ARLAN_PROC_DEBUG_ENTRIES\
-	CTBLN(cardNo, in_speed),\
-	CTBLN(cardNo, out_speed),\
-	CTBLN(cardNo, in_speed10),\
-	CTBLN(cardNo, out_speed10),\
-	CTBLN(cardNo, in_speed_max),\
-	CTBLN(cardNo, out_speed_max),\
-	CTBLN(cardNo, measure_rate),\
-	CTBLN(cardNo, pre_Command_Wait),\
-	CTBLN(cardNo, rx_tweak1),\
-	CTBLN(cardNo, rx_tweak2),\
-	CTBLN(cardNo, tx_queue_len),\
-
-static ctl_table arlan_conf_table0[] = {
-	ARLAN_SYSCTL_TABLE_TOTAL(0)
-
-#ifdef ARLAN_PROC_SHM_DUMP
-	{
-		.procname	= "arlan0-txRing",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_infotxRing,
-	},
-	{
-		.procname	= "arlan0-rxRing",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_inforxRing,
-	},
-	{
-		.procname	= "arlan0-18",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info18,
-	},
-	{
-		.procname	= "arlan0-ring",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info161719,
-	},
-	{
-		.procname	= "arlan0-shm-cpy",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info,
-	},
-#endif
-	{
-		.procname	= "config0",
-		.data		= &conf_reset_result,
-		.maxlen		= 100,
-		.mode		= 0400,
-		.proc_handler	= arlan_configure
-	},
-	{
-		.procname	= "reset0",
-		.data		= &conf_reset_result,
-		.maxlen		= 100,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_reset,
-	},
-	{  }
-};
-
-static ctl_table arlan_conf_table1[] = {
-
-	ARLAN_SYSCTL_TABLE_TOTAL(1)
-
-#ifdef ARLAN_PROC_SHM_DUMP
-	{
-		.procname	= "arlan1-txRing",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_infotxRing,
-	},
-	{
-		.procname	= "arlan1-rxRing",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_inforxRing,
-	},
-	{
-		.procname	= "arlan1-18",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info18,
-	},
-	{
-		.procname	= "arlan1-ring",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info161719,
-	},
-	{
-		.procname	= "arlan1-shm-cpy",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info,
-	},
-#endif
-	{
-		.procname	= "config1",
-		.data		= &conf_reset_result,
-		.maxlen		= 100,
-		.mode		= 0400,
-		.proc_handler	= arlan_configure,
-	},
-	{
-		.procname	= "reset1",
-		.data		= &conf_reset_result,
-		.maxlen		= 100,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_reset,
-	},
-	{ }
-};
-
-static ctl_table arlan_conf_table2[] = {
-
-	ARLAN_SYSCTL_TABLE_TOTAL(2)
-
-#ifdef ARLAN_PROC_SHM_DUMP
-	{
-		.procname	= "arlan2-txRing",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_infotxRing,
-	},
-	{
-		.procname	= "arlan2-rxRing",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_inforxRing,
-	},
-	{
-		.procname	= "arlan2-18",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info18,
-	},
-	{
-		.procname	= "arlan2-ring",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info161719,
-	},
-	{
-		.procname	= "arlan2-shm-cpy",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info,
-	},
-#endif
-	{
-		.procname	= "config2",
-		.data		= &conf_reset_result,
-		.maxlen		= 100,
-		.mode		= 0400,
-		.proc_handler	= arlan_configure,
-	},
-	{
-		.procname	= "reset2",
-		.data		= &conf_reset_result,
-		.maxlen		= 100,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_reset,
-	},
-	{ }
-};
-
-static ctl_table arlan_conf_table3[] = {
-
-	ARLAN_SYSCTL_TABLE_TOTAL(3)
-
-#ifdef ARLAN_PROC_SHM_DUMP
-	{
-		.procname	= "arlan3-txRing",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_infotxRing,
-	},
-	{
-		.procname	= "arlan3-rxRing",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_inforxRing,
-	},
-	{
-		.procname	= "arlan3-18",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info18,
-	},
-	{
-		.procname	= "arlan3-ring",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info161719,
-	},
-	{
-		.procname	= "arlan3-shm-cpy",
-		.data		= &arlan_drive_info,
-		.maxlen		= ARLAN_STR_SIZE,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_info,
-	},
-#endif
-	{
-		.procname	= "config3",
-		.data		= &conf_reset_result,
-		.maxlen		= 100,
-		.mode		= 0400,
-		.proc_handler	= arlan_configure,
-	},
-	{
-		.procname	= "reset3",
-		.data		= &conf_reset_result,
-		.maxlen		= 100,
-		.mode		= 0400,
-		.proc_handler	= arlan_sysctl_reset,
-	},
-	{ }
-};
-
-
-
-static ctl_table arlan_table[] = {
-	{
-		.procname	= "arlan0",
-		.maxlen		= 0,
-		.mode		= 0600,
-		.child		= arlan_conf_table0,
-	},
-	{
-		.procname	= "arlan1",
-		.maxlen		= 0,
-		.mode		= 0600,
-		.child		= arlan_conf_table1,
-	},
-	{
-		.procname	= "arlan2",
-		.maxlen		= 0,
-		.mode		= 0600,
-		.child		= arlan_conf_table2,
-	},
-	{
-		.procname	= "arlan3",
-		.maxlen		= 0,
-		.mode		= 0600,
-		.child		= arlan_conf_table3,
-	},
-	{ }
-};
-
-#else
-
-static ctl_table arlan_table[] = {
-	{ }
-};
-#endif
-
-
-/* static int mmtu = 1234; */
-
-static ctl_table arlan_root_table[] = {
-	{
-		.procname	= "arlan",
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= arlan_table,
-	},
-	{  }
-};
-
-
-static struct ctl_table_header *arlan_device_sysctl_header;
-
-int __init init_arlan_proc(void)
-{
-	if (arlan_device_sysctl_header)
-		return 0;
-	arlan_device_sysctl_header = register_sysctl_table(arlan_root_table);
-	if (!arlan_device_sysctl_header)
-		return -1;
-
-	return 0;
-}
-
-void __exit cleanup_arlan_proc(void)
-{
-	unregister_sysctl_table(arlan_device_sysctl_header);
-	arlan_device_sysctl_header = NULL;
-
-}
-#endif
diff --git a/drivers/staging/arlan/arlan.h b/drivers/staging/arlan/arlan.h
deleted file mode 100644
index 3974acf076b..00000000000
--- a/drivers/staging/arlan/arlan.h
+++ /dev/null
@@ -1,535 +0,0 @@
-/*
- *  Copyright (C) 1997 Cullen Jennings
- *  Copyright (C) 1998 Elmer.Joandi@ut.ee, +37-255-13500
- *  GNU General Public License applies
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/skbuff.h>
-#include <linux/if_ether.h>	/* For the statistics structure. */
-#include <linux/if_arp.h>	/* For ARPHRD_ETHER */
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-
-#include <linux/init.h>
-#include <linux/bitops.h>
-#include <asm/system.h>
-#include <linux/io.h>
-#include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-
-
-/* #define ARLAN_DEBUGGING 1 */
-
-#define ARLAN_PROC_INTERFACE
-#define MAX_ARLANS 4 /* not more than 4 ! */
-#define ARLAN_PROC_SHM_DUMP /* shows all card registers, makes driver way larger */
-
-#define ARLAN_MAX_MULTICAST_ADDRS 16
-#define ARLAN_RCV_CLEAN 	0
-#define ARLAN_RCV_PROMISC 1
-#define ARLAN_RCV_CONTROL 2
-
-#ifdef CONFIG_PROC_FS
-extern int init_arlan_proc(void);
-extern void cleanup_arlan_proc(void);
-#else
-#define init_arlan_proc()	({ 0; })
-#define cleanup_arlan_proc()	do { } while (0)
-#endif
-
-extern struct net_device *arlan_device[MAX_ARLANS];
-extern int	arlan_debug;
-extern int	arlan_entry_debug;
-extern int	arlan_exit_debug;
-extern int	testMemory;
-extern int     arlan_command(struct net_device *dev, int command);
-
-#define SIDUNKNOWN -1
-#define radioNodeIdUNKNOWN -1
-#define irqUNKNOWN 0
-#define debugUNKNOWN 0
-#define testMemoryUNKNOWN 1
-#define spreadingCodeUNKNOWN 0
-#define channelNumberUNKNOWN 0
-#define channelSetUNKNOWN 0
-#define systemIdUNKNOWN -1
-#define registrationModeUNKNOWN -1
-
-
-#define IFDEBUG(L) if ((L) & arlan_debug)
-#define ARLAN_FAKE_HDR_LEN 12
-
-#ifdef ARLAN_DEBUGGING
-	#define DEBUG 1
-	#define ARLAN_ENTRY_EXIT_DEBUGGING 1
-	#define ARLAN_DEBUG(a, b) printk(KERN_DEBUG a, b)
-#else
-	#define ARLAN_DEBUG(a, b)
-#endif
-
-#define ARLAN_SHMEM_SIZE	0x2000
-
-struct arlan_shmem {
-      /* Header Signature */
-      volatile	char textRegion[48];
-      volatile	u_char resetFlag;
-      volatile	u_char  diagnosticInfo;
-      volatile	u_short diagnosticOffset;
-      volatile	u_char _1[12];
-      volatile	u_char lanCardNodeId[6];
-      volatile	u_char broadcastAddress[6];
-      volatile	u_char hardwareType;
-      volatile	u_char majorHardwareVersion;
-      volatile	u_char minorHardwareVersion;
-      volatile	u_char radioModule;/* shows EEPROM, can be overridden at 0x111 */
-      volatile	u_char defaultChannelSet; /* shows EEProm, can be overriiden at 0x10A */
-      volatile	u_char _2[47];
-
-      /* Control/Status Block - 0x0080 */
-      volatile	u_char interruptInProgress; /* not used by lancpu */
-      volatile	u_char cntrlRegImage; /* not used by lancpu */
-      volatile	u_char _3[13];
-      volatile	u_char dumpByte;
-      volatile	u_char commandByte; /* non-zero = active */
-      volatile	u_char commandParameter[15];
-
-      /* Receive Status - 0x00a0 */
-      volatile	u_char rxStatus; /* 1- data, 2-control, 0xff - registr change */
-      volatile	u_char rxFrmType;
-      volatile	u_short rxOffset;
-      volatile	u_short rxLength;
-      volatile	u_char rxSrc[6];
-      volatile	u_char rxBroadcastFlag;
-      volatile	u_char rxQuality;
-      volatile	u_char scrambled;
-      volatile	u_char _4[1];
-
-      /* Transmit Status - 0x00b0 */
-      volatile	u_char txStatus;
-      volatile	u_char txAckQuality;
-      volatile	u_char numRetries;
-      volatile	u_char _5[14];
-      volatile	u_char registeredRouter[6];
-      volatile	u_char backboneRouter[6];
-      volatile	u_char registrationStatus;
-      volatile	u_char configuredStatusFlag;
-      volatile	u_char _6[1];
-      volatile	u_char ultimateDestAddress[6];
-      volatile	u_char immedDestAddress[6];
-      volatile	u_char immedSrcAddress[6];
-      volatile	u_short rxSequenceNumber;
-      volatile	u_char assignedLocaltalkAddress;
-      volatile	u_char _7[27];
-
-      /* System Parameter Block */
-
-      /* - Driver Parameters (Novell Specific) */
-
-      volatile	u_short txTimeout;
-      volatile	u_short transportTime;
-      volatile	u_char _8[4];
-
-      /* - Configuration Parameters */
-      volatile	u_char irqLevel;
-      volatile	u_char spreadingCode;
-      volatile	u_char channelSet;
-      volatile	u_char channelNumber;
-      volatile	u_short radioNodeId;
-      volatile	u_char _9[2];
-      volatile	u_char scramblingDisable;
-      volatile	u_char radioType;
-      volatile	u_short routerId;
-      volatile	u_char _10[9];
-      volatile	u_char txAttenuation;
-      volatile	u_char systemId[4];
-      volatile	u_short globalChecksum;
-      volatile	u_char _11[4];
-      volatile	u_short maxDatagramSize;
-      volatile	u_short maxFrameSize;
-      volatile	u_char maxRetries;
-      volatile	u_char receiveMode;
-      volatile	u_char priority;
-      volatile	u_char rootOrRepeater;
-      volatile	u_char specifiedRouter[6];
-      volatile	u_short fastPollPeriod;
-      volatile	u_char pollDecay;
-      volatile	u_char fastPollDelay[2];
-      volatile	u_char arlThreshold;
-      volatile	u_char arlDecay;
-      volatile	u_char _12[1];
-      volatile	u_short specRouterTimeout;
-      volatile	u_char _13[5];
-
-      /* Scrambled Area */
-      volatile	u_char SID[4];
-      volatile	u_char encryptionKey[12];
-      volatile	u_char _14[2];
-      volatile	u_char waitTime[2];
-      volatile	u_char lParameter[2];
-      volatile	u_char _15[3];
-      volatile	u_short headerSize;
-      volatile	u_short sectionChecksum;
-
-      volatile	u_char registrationMode;
-      volatile	u_char registrationFill;
-      volatile	u_short pollPeriod;
-      volatile	u_short refreshPeriod;
-      volatile	u_char name[16];
-      volatile	u_char NID[6];
-      volatile	u_char localTalkAddress;
-      volatile	u_char codeFormat;
-      volatile	u_char numChannels;
-      volatile	u_char channel1;
-      volatile	u_char channel2;
-      volatile	u_char channel3;
-      volatile	u_char channel4;
-      volatile	u_char SSCode[59];
-
-      volatile	u_char _16[0xC0];
-      volatile	u_short auxCmd;
-      volatile	u_char  dumpPtr[4];
-      volatile	u_char dumpVal;
-      volatile	u_char _17[0x6A];
-      volatile	u_char wireTest;
-      volatile	u_char _18[14];
-
-      /* Statistics Block - 0x0300 */
-      volatile	u_char hostcpuLock;
-      volatile	u_char lancpuLock;
-      volatile	u_char resetTime[18];
-
-      volatile	u_char numDatagramsTransmitted[4];
-      volatile	u_char numReTransmissions[4];
-      volatile	u_char numFramesDiscarded[4];
-      volatile	u_char numDatagramsReceived[4];
-      volatile	u_char numDuplicateReceivedFrames[4];
-      volatile	u_char numDatagramsDiscarded[4];
-
-      volatile	u_short maxNumReTransmitDatagram;
-      volatile	u_short maxNumReTransmitFrames;
-      volatile	u_short maxNumConsecutiveDuplicateFrames;
-      /* misaligned here so we have to go to characters */
-
-      volatile	u_char numBytesTransmitted[4];
-      volatile	u_char numBytesReceived[4];
-      volatile	u_char numCRCErrors[4];
-      volatile	u_char numLengthErrors[4];
-      volatile	u_char numAbortErrors[4];
-      volatile	u_char numTXUnderruns[4];
-      volatile	u_char numRXOverruns[4];
-      volatile	u_char numHoldOffs[4];
-      volatile	u_char numFramesTransmitted[4];
-      volatile	u_char numFramesReceived[4];
-      volatile	u_char numReceiveFramesLost[4];
-      volatile	u_char numRXBufferOverflows[4];
-      volatile	u_char numFramesDiscardedAddrMismatch[4];
-      volatile	u_char numFramesDiscardedSIDMismatch[4];
-      volatile	u_char numPollsTransmistted[4];
-      volatile	u_char numPollAcknowledges[4];
-      volatile	u_char numStatusTimeouts[4];
-      volatile	u_char numNACKReceived[4];
-
-      volatile	u_char _19[0x86];
-
-      volatile	u_char txBuffer[0x800];
-      volatile	u_char rxBuffer[0x800];
-
-      volatile	u_char _20[0x800];
-      volatile	u_char _21[0x3fb];
-      volatile	u_char configStatus;
-      volatile	u_char _22;
-      volatile	u_char progIOCtrl;
-      volatile	u_char shareMBase;
-      volatile	u_char controlRegister;
-};
-
-struct arlan_conf_stru {
-      int spreadingCode;
-      int channelSet;
-      int channelNumber;
-      int scramblingDisable;
-      int txAttenuation;
-      int systemId;
-      int maxDatagramSize;
-      int maxFrameSize;
-      int maxRetries;
-      int receiveMode;
-      int priority;
-      int rootOrRepeater;
-      int SID;
-      int radioNodeId;
-      int registrationMode;
-      int registrationFill;
-      int localTalkAddress;
-      int codeFormat;
-      int numChannels;
-      int channel1;
-      int channel2;
-      int channel3;
-      int channel4;
-      int txClear;
-      int txRetries;
-      int txRouting;
-      int txScrambled;
-      int rxParameter;
-      int txTimeoutMs;
-      int txAckTimeoutMs;
-      int waitCardTimeout;
-      int	waitTime;
-      int	lParameter;
-      int	_15;
-      int	headerSize;
-      int retries;
-      int tx_delay_ms;
-      int waitReTransmitPacketMaxSize;
-      int ReTransmitPacketMaxSize;
-      int fastReTransCount;
-      int driverRetransmissions;
-      int registrationInterrupts;
-      int hardwareType;
-      int radioType;
-      int writeRadioType;
-      int writeEEPROM;
-      char siteName[17];
-      int measure_rate;
-      int in_speed;
-      int out_speed;
-      int in_speed10;
-      int out_speed10;
-      int in_speed_max;
-      int out_speed_max;
-      int pre_Command_Wait;
-      int rx_tweak1;
-      int rx_tweak2;
-      int tx_queue_len;
-};
-
-extern struct arlan_conf_stru arlan_conf[MAX_ARLANS];
-
-struct TxParam {
-      volatile	short 		offset;
-      volatile 	short 		length;
-      volatile	u_char	dest[6];
-      volatile	unsigned	char clear;
-      volatile	unsigned	char retries;
-      volatile	unsigned	char routing;
-      volatile	unsigned	char scrambled;
-};
-
-#define TX_RING_SIZE 2
-/* Information that need to be kept for each board. */
-struct arlan_private {
-      struct arlan_shmem __iomem *card;
-      struct arlan_shmem *conf;
-
-      struct arlan_conf_stru *Conf;
-      int	bad;
-      int	reset;
-      unsigned long lastReset;
-      struct timer_list timer;
-      struct timer_list tx_delay_timer;
-      struct timer_list tx_retry_timer;
-      struct timer_list rx_check_timer;
-
-      int registrationLostCount;
-      int reRegisterExp;
-      int irq_test_done;
-
-      struct TxParam txRing[TX_RING_SIZE];
-      char reTransmitBuff[0x800];
-      int txLast;
-      unsigned ReTransmitRequested;
-      unsigned long tx_done_delayed;
-      unsigned long registrationLastSeen;
-
-      unsigned long	tx_last_sent;
-      unsigned long	tx_last_cleared;
-      unsigned long	retransmissions;
-      unsigned long	interrupt_ack_requested;
-      spinlock_t	lock;
-      unsigned long	waiting_command_mask;
-      unsigned long	card_polling_interval;
-      unsigned long	last_command_buff_free_time;
-
-      int		under_reset;
-      int		under_config;
-      int		rx_command_given;
-      int		tx_command_given;
-      unsigned  long	interrupt_processing_active;
-      unsigned long	last_rx_int_ack_time;
-      unsigned long	in_bytes;
-      unsigned long	out_bytes;
-      unsigned long	in_time;
-      unsigned long	out_time;
-      unsigned long	in_time10;
-      unsigned long	out_time10;
-      unsigned long	in_bytes10;
-      unsigned long	out_bytes10;
-      int	init_etherdev_alloc;
-};
-
-
-
-#define ARLAN_CLEAR		0x00
-#define ARLAN_RESET		0x01
-#define ARLAN_CHANNEL_ATTENTION 0x02
-#define ARLAN_INTERRUPT_ENABLE	0x04
-#define ARLAN_CLEAR_INTERRUPT	0x08
-#define ARLAN_POWER		0x40
-#define ARLAN_ACCESS		0x80
-
-#define ARLAN_COM_CONF                0x01
-#define ARLAN_COM_RX_ENABLE           0x03
-#define ARLAN_COM_RX_ABORT            0x04
-#define ARLAN_COM_TX_ENABLE           0x05
-#define ARLAN_COM_TX_ABORT            0x06
-#define ARLAN_COM_NOP		      0x07
-#define ARLAN_COM_STANDBY             0x08
-#define ARLAN_COM_ACTIVATE            0x09
-#define ARLAN_COM_GOTO_SLOW_POLL      0x0a
-#define ARLAN_COM_INT                 0x80
-
-
-#define TXLAST(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[((struct arlan_private *)netdev_priv(dev))->txLast])
-#define TXHEAD(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[0])
-#define TXTAIL(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[1])
-
-#define TXBuffStart(dev) offsetof(struct arlan_shmem, txBuffer)
-#define TXBuffEnd(dev) offsetof(struct arlan_shmem, xxBuffer)
-
-#define READSHM(to, from, atype) {\
-	atype tmp;\
-	memcpy_fromio(&(tmp), &(from), sizeof(atype));\
-	to = tmp;\
-	}
-
-#define READSHMEM(from, atype)\
-	atype from; \
-	READSHM(from, arlan->from, atype);
-
-#define WRITESHM(to, from, atype) \
-	{ atype tmpSHM = from;\
-	memcpy_toio(&(to), &tmpSHM, sizeof(atype));\
-	}
-
-#define DEBUGSHM(levelSHM, stringSHM, stuff, atype) \
-	{	atype tmpSHM; \
-		memcpy_fromio(&tmpSHM, &(stuff), sizeof(atype));\
-		IFDEBUG(levelSHM) printk(stringSHM, tmpSHM);\
-	}
-
-#define WRITESHMB(to, val) \
-	writeb(val, &(to))
-#define READSHMB(to) \
-	readb(&(to))
-#define WRITESHMS(to, val) \
-	writew(val, &(to))
-#define READSHMS(to) \
-	readw(&(to))
-#define WRITESHMI(to, val) \
-	writel(val, &(to))
-#define READSHMI(to) \
-	readl(&(to))
-
-
-
-
-
-#define registrationBad(dev)\
-    ((READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationMode)    > 0) && \
-     (READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationStatus) == 0))
-
-
-#define readControlRegister(dev)\
-	READSHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage)
-
-#define writeControlRegister(dev, v) {\
-   WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage, ((v) & 0xF));\
-   WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->controlRegister, (v)); }
-
-
-#define arlan_interrupt_lancpu(dev) {\
-   int cr;   \
-   \
-   cr = readControlRegister(dev);\
-   if (cr & ARLAN_CHANNEL_ATTENTION) \
-      writeControlRegister(dev, (cr & ~ARLAN_CHANNEL_ATTENTION));\
-   else \
-      writeControlRegister(dev, (cr | ARLAN_CHANNEL_ATTENTION));\
-}
-
-#define clearChannelAttention(dev) { \
-   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_CHANNEL_ATTENTION); }
-#define setHardwareReset(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) | ARLAN_RESET); }
-#define clearHardwareReset(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_RESET); }
-#define setInterruptEnable(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) | ARLAN_INTERRUPT_ENABLE)  ; }
-#define clearInterruptEnable(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_INTERRUPT_ENABLE)  ; }
-#define setClearInterrupt(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) | ARLAN_CLEAR_INTERRUPT)   ; }
-#define clearClearInterrupt(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_CLEAR_INTERRUPT); }
-#define setPowerOff(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) | (ARLAN_POWER && ARLAN_ACCESS));\
-   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_ACCESS); }
-#define setPowerOn(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) & ~(ARLAN_POWER)); }
-#define arlan_lock_card_access(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_ACCESS); }
-#define arlan_unlock_card_access(dev) {\
-   writeControlRegister(dev, readControlRegister(dev) | ARLAN_ACCESS); }
-
-
-
-
-#define ARLAN_COMMAND_RX		0x000001
-#define ARLAN_COMMAND_NOOP		0x000002
-#define ARLAN_COMMAND_NOOPINT		0x000004
-#define ARLAN_COMMAND_TX		0x000008
-#define ARLAN_COMMAND_CONF		0x000010
-#define ARLAN_COMMAND_RESET		0x000020
-#define ARLAN_COMMAND_TX_ABORT		0x000040
-#define ARLAN_COMMAND_RX_ABORT		0x000080
-#define ARLAN_COMMAND_POWERDOWN		0x000100
-#define ARLAN_COMMAND_POWERUP		0x000200
-#define ARLAN_COMMAND_SLOW_POLL	0x000400
-#define ARLAN_COMMAND_ACTIVATE	0x000800
-#define ARLAN_COMMAND_INT_ACK		0x001000
-#define ARLAN_COMMAND_INT_ENABLE	0x002000
-#define ARLAN_COMMAND_WAIT_NOW		0x004000
-#define ARLAN_COMMAND_LONG_WAIT_NOW	0x008000
-#define ARLAN_COMMAND_STANDBY		0x010000
-#define ARLAN_COMMAND_INT_RACK		0x020000
-#define ARLAN_COMMAND_INT_RENABLE	0x040000
-#define ARLAN_COMMAND_CONF_WAIT		0x080000
-#define ARLAN_COMMAND_TBUSY_CLEAR	0x100000
-#define ARLAN_COMMAND_CLEAN_AND_CONF	(ARLAN_COMMAND_TX_ABORT\
-					| ARLAN_COMMAND_RX_ABORT\
-					| ARLAN_COMMAND_CONF)
-#define ARLAN_COMMAND_CLEAN_AND_RESET   (ARLAN_COMMAND_TX_ABORT\
-					| ARLAN_COMMAND_RX_ABORT\
-					| ARLAN_COMMAND_RESET)
-
-
-#define ARLAN_DEBUG_CHAIN_LOCKS		0x00001
-#define ARLAN_DEBUG_RESET		0x00002
-#define ARLAN_DEBUG_TIMING		0x00004
-#define ARLAN_DEBUG_CARD_STATE		0x00008
-#define ARLAN_DEBUG_TX_CHAIN		0x00010
-#define ARLAN_DEBUG_MULTICAST		0x00020
-#define ARLAN_DEBUG_HEADER_DUMP		0x00040
-#define ARLAN_DEBUG_INTERRUPT		0x00080
-#define ARLAN_DEBUG_STARTUP		0x00100
-#define ARLAN_DEBUG_SHUTDOWN		0x00200

From f80a3f62383bf673c310926d55142d51f118926d Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 23:13:37 -0700
Subject: [PATCH 1252/3638] Staging: strip: delete the driver

It has sat in the staging directory since October of 2009, and no one
has stepped up to take it over, so odds are, no one cares about it
anymore.  So, it is now deleted as scheduled, and documented in the TODO
file.

Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig        |    2 -
 drivers/staging/Makefile       |    1 -
 drivers/staging/strip/Kconfig  |   22 -
 drivers/staging/strip/Makefile |    1 -
 drivers/staging/strip/TODO     |    7 -
 drivers/staging/strip/strip.c  | 2823 --------------------------------
 6 files changed, 2856 deletions(-)
 delete mode 100644 drivers/staging/strip/Kconfig
 delete mode 100644 drivers/staging/strip/Makefile
 delete mode 100644 drivers/staging/strip/TODO
 delete mode 100644 drivers/staging/strip/strip.c

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 8bf839ea05f..4ca05017c1a 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -125,8 +125,6 @@ source "drivers/staging/batman-adv/Kconfig"
 
 source "drivers/staging/samsung-laptop/Kconfig"
 
-source "drivers/staging/strip/Kconfig"
-
 source "drivers/staging/wavelan/Kconfig"
 
 source "drivers/staging/netwave/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index b2747068fff..e308274bb14 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -43,7 +43,6 @@ obj-$(CONFIG_WLAGS49_H2)	+= wlags49_h2/
 obj-$(CONFIG_WLAGS49_H25)	+= wlags49_h25/
 obj-$(CONFIG_BATMAN_ADV)	+= batman-adv/
 obj-$(CONFIG_SAMSUNG_LAPTOP)	+= samsung-laptop/
-obj-$(CONFIG_STRIP)		+= strip/
 obj-$(CONFIG_WAVELAN)		+= wavelan/
 obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan/
 obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave/
diff --git a/drivers/staging/strip/Kconfig b/drivers/staging/strip/Kconfig
deleted file mode 100644
index 36257b5cd6e..00000000000
--- a/drivers/staging/strip/Kconfig
+++ /dev/null
@@ -1,22 +0,0 @@
-config STRIP
-	tristate "STRIP (Metricom starmode radio IP)"
-	depends on INET
-	select WIRELESS_EXT
-	---help---
-	  Say Y if you have a Metricom radio and intend to use Starmode Radio
-	  IP. STRIP is a radio protocol developed for the MosquitoNet project
-	  to send Internet traffic using Metricom radios.  Metricom radios are
-	  small, battery powered, 100kbit/sec packet radio transceivers, about
-	  the size and weight of a cellular telephone. (You may also have heard
-	  them called "Metricom modems" but we avoid the term "modem" because
-	  it misleads many people into thinking that you can plug a Metricom
-	  modem into a phone line and use it as a modem.)
-
-	  You can use STRIP on any Linux machine with a serial port, although
-	  it is obviously most useful for people with laptop computers. If you
-	  think you might get a Metricom radio in the future, there is no harm
-	  in saying Y to STRIP now, except that it makes the kernel a bit
-	  bigger.
-
-	  To compile this as a module, choose M here: the module will be
-	  called strip.
diff --git a/drivers/staging/strip/Makefile b/drivers/staging/strip/Makefile
deleted file mode 100644
index 6417bdcac2f..00000000000
--- a/drivers/staging/strip/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_STRIP) += strip.o
diff --git a/drivers/staging/strip/TODO b/drivers/staging/strip/TODO
deleted file mode 100644
index 9bd15a2f6d9..00000000000
--- a/drivers/staging/strip/TODO
+++ /dev/null
@@ -1,7 +0,0 @@
-TODO:
-	- step up and maintain this driver to ensure that it continues
-	  to work.  Having the hardware for this is pretty much a
-	  requirement.  If this does not happen, the will be removed in
-	  the 2.6.35 kernel release.
-
-Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
diff --git a/drivers/staging/strip/strip.c b/drivers/staging/strip/strip.c
deleted file mode 100644
index c976c6b4d28..00000000000
--- a/drivers/staging/strip/strip.c
+++ /dev/null
@@ -1,2823 +0,0 @@
-/*
- * Copyright 1996 The Board of Trustees of The Leland Stanford
- * Junior University. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies.  Stanford University
- * makes no representations about the suitability of this
- * software for any purpose.  It is provided "as is" without
- * express or implied warranty.
- *
- * strip.c	This module implements Starmode Radio IP (STRIP)
- *		for kernel-based devices like TTY.  It interfaces between a
- *		raw TTY, and the kernel's INET protocol layers (via DDI).
- *
- * Version:	@(#)strip.c	1.3	July 1997
- *
- * Author:	Stuart Cheshire <cheshire@cs.stanford.edu>
- *
- * Fixes:	v0.9 12th Feb 1996 (SC)
- *		New byte stuffing (2+6 run-length encoding)
- *		New watchdog timer task
- *		New Protocol key (SIP0)
- *		
- *		v0.9.1 3rd March 1996 (SC)
- *		Changed to dynamic device allocation -- no more compile
- *		time (or boot time) limit on the number of STRIP devices.
- *		
- *		v0.9.2 13th March 1996 (SC)
- *		Uses arp cache lookups (but doesn't send arp packets yet)
- *		
- *		v0.9.3 17th April 1996 (SC)
- *		Fixed bug where STR_ERROR flag was getting set unneccessarily
- *		(causing otherwise good packets to be unneccessarily dropped)
- *		
- *		v0.9.4 27th April 1996 (SC)
- *		First attempt at using "&COMMAND" Starmode AT commands
- *		
- *		v0.9.5 29th May 1996 (SC)
- *		First attempt at sending (unicast) ARP packets
- *		
- *		v0.9.6 5th June 1996 (Elliot)
- *		Put "message level" tags in every "printk" statement
- *		
- *		v0.9.7 13th June 1996 (laik)
- *		Added support for the /proc fs
- *
- *              v0.9.8 July 1996 (Mema)
- *              Added packet logging
- *
- *              v1.0 November 1996 (SC)
- *              Fixed (severe) memory leaks in the /proc fs code
- *              Fixed race conditions in the logging code
- *
- *              v1.1 January 1997 (SC)
- *              Deleted packet logging (use tcpdump instead)
- *              Added support for Metricom Firmware v204 features
- *              (like message checksums)
- *
- *              v1.2 January 1997 (SC)
- *              Put portables list back in
- *
- *              v1.3 July 1997 (SC)
- *              Made STRIP driver set the radio's baud rate automatically.
- *              It is no longer necessarily to manually set the radio's
- *              rate permanently to 115200 -- the driver handles setting
- *              the rate automatically.
- */
-
-#ifdef MODULE
-static const char StripVersion[] = "1.3A-STUART.CHESHIRE-MODULAR";
-#else
-static const char StripVersion[] = "1.3A-STUART.CHESHIRE";
-#endif
-
-#define TICKLE_TIMERS 0
-#define EXT_COUNTERS 1
-
-
-/************************************************************************/
-/* Header files								*/
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/bitops.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
-
-# include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/in.h>
-#include <linux/tty.h>
-#include <linux/errno.h>
-#include <linux/netdevice.h>
-#include <linux/inetdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/if_strip.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/serial.h>
-#include <linux/serialP.h>
-#include <linux/rcupdate.h>
-#include <linux/compat.h>
-#include <linux/slab.h>
-#include <net/arp.h>
-#include <net/net_namespace.h>
-
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/time.h>
-#include <linux/jiffies.h>
-
-/************************************************************************/
-/* Useful structures and definitions					*/
-
-/*
- * A MetricomKey identifies the protocol being carried inside a Metricom
- * Starmode packet.
- */
-
-typedef union {
-	__u8 c[4];
-	__u32 l;
-} MetricomKey;
-
-/*
- * An IP address can be viewed as four bytes in memory (which is what it is) or as
- * a single 32-bit long (which is convenient for assignment, equality testing etc.)
- */
-
-typedef union {
-	__u8 b[4];
-	__u32 l;
-} IPaddr;
-
-/*
- * A MetricomAddressString is used to hold a printable representation of
- * a Metricom address.
- */
-
-typedef struct {
-	__u8 c[24];
-} MetricomAddressString;
-
-/* Encapsulation can expand packet of size x to 65/64x + 1
- * Sent packet looks like "<CR>*<address>*<key><encaps payload><CR>"
- *                           1 1   1-18  1  4         ?         1
- * eg.                     <CR>*0000-1234*SIP0<encaps payload><CR>
- * We allow 31 bytes for the stars, the key, the address and the <CR>s
- */
-#define STRIP_ENCAP_SIZE(X) (32 + (X)*65L/64L)
-
-/*
- * A STRIP_Header is never really sent over the radio, but making a dummy
- * header for internal use within the kernel that looks like an Ethernet
- * header makes certain other software happier. For example, tcpdump
- * already understands Ethernet headers.
- */
-
-typedef struct {
-	MetricomAddress dst_addr;	/* Destination address, e.g. "0000-1234"   */
-	MetricomAddress src_addr;	/* Source address, e.g. "0000-5678"        */
-	unsigned short protocol;	/* The protocol type, using Ethernet codes */
-} STRIP_Header;
-
-typedef struct {
-	char c[60];
-} MetricomNode;
-
-#define NODE_TABLE_SIZE 32
-typedef struct {
-	struct timeval timestamp;
-	int num_nodes;
-	MetricomNode node[NODE_TABLE_SIZE];
-} MetricomNodeTable;
-
-enum { FALSE = 0, TRUE = 1 };
-
-/*
- * Holds the radio's firmware version.
- */
-typedef struct {
-	char c[50];
-} FirmwareVersion;
-
-/*
- * Holds the radio's serial number.
- */
-typedef struct {
-	char c[18];
-} SerialNumber;
-
-/*
- * Holds the radio's battery voltage.
- */
-typedef struct {
-	char c[11];
-} BatteryVoltage;
-
-typedef struct {
-	char c[8];
-} char8;
-
-enum {
-	NoStructure = 0,	/* Really old firmware */
-	StructuredMessages = 1,	/* Parsable AT response msgs */
-	ChecksummedMessages = 2	/* Parsable AT response msgs with checksums */
-};
-
-struct strip {
-	int magic;
-	/*
-	 * These are pointers to the malloc()ed frame buffers.
-	 */
-
-	unsigned char *rx_buff;	/* buffer for received IP packet */
-	unsigned char *sx_buff;	/* buffer for received serial data */
-	int sx_count;		/* received serial data counter */
-	int sx_size;		/* Serial buffer size           */
-	unsigned char *tx_buff;	/* transmitter buffer           */
-	unsigned char *tx_head;	/* pointer to next byte to XMIT */
-	int tx_left;		/* bytes left in XMIT queue     */
-	int tx_size;		/* Serial buffer size           */
-
-	/*
-	 * STRIP interface statistics.
-	 */
-
-	unsigned long rx_packets;	/* inbound frames counter       */
-	unsigned long tx_packets;	/* outbound frames counter      */
-	unsigned long rx_errors;	/* Parity, etc. errors          */
-	unsigned long tx_errors;	/* Planned stuff                */
-	unsigned long rx_dropped;	/* No memory for skb            */
-	unsigned long tx_dropped;	/* When MTU change              */
-	unsigned long rx_over_errors;	/* Frame bigger than STRIP buf. */
-
-	unsigned long pps_timer;	/* Timer to determine pps       */
-	unsigned long rx_pps_count;	/* Counter to determine pps     */
-	unsigned long tx_pps_count;	/* Counter to determine pps     */
-	unsigned long sx_pps_count;	/* Counter to determine pps     */
-	unsigned long rx_average_pps;	/* rx packets per second * 8    */
-	unsigned long tx_average_pps;	/* tx packets per second * 8    */
-	unsigned long sx_average_pps;	/* sent packets per second * 8  */
-
-#ifdef EXT_COUNTERS
-	unsigned long rx_bytes;		/* total received bytes */
-	unsigned long tx_bytes;		/* total received bytes */
-	unsigned long rx_rbytes;	/* bytes thru radio i/f */
-	unsigned long tx_rbytes;	/* bytes thru radio i/f */
-	unsigned long rx_sbytes;	/* tot bytes thru serial i/f */
-	unsigned long tx_sbytes;	/* tot bytes thru serial i/f */
-	unsigned long rx_ebytes;	/* tot stat/err bytes */
-	unsigned long tx_ebytes;	/* tot stat/err bytes */
-#endif
-
-	/*
-	 * Internal variables.
-	 */
-
-	struct list_head  list;		/* Linked list of devices */
-
-	int discard;			/* Set if serial error          */
-	int working;			/* Is radio working correctly?  */
-	int firmware_level;		/* Message structuring level    */
-	int next_command;		/* Next periodic command        */
-	unsigned int user_baud;		/* The user-selected baud rate  */
-	int mtu;			/* Our mtu (to spot changes!)   */
-	long watchdog_doprobe;		/* Next time to test the radio  */
-	long watchdog_doreset;		/* Time to do next reset        */
-	long gratuitous_arp;		/* Time to send next ARP refresh */
-	long arp_interval;		/* Next ARP interval            */
-	struct timer_list idle_timer;	/* For periodic wakeup calls    */
-	MetricomAddress true_dev_addr;	/* True address of radio        */
-	int manual_dev_addr;		/* Hack: See note below         */
-
-	FirmwareVersion firmware_version;	/* The radio's firmware version */
-	SerialNumber serial_number;	/* The radio's serial number    */
-	BatteryVoltage battery_voltage;	/* The radio's battery voltage  */
-
-	/*
-	 * Other useful structures.
-	 */
-
-	struct tty_struct *tty;		/* ptr to TTY structure         */
-	struct net_device *dev;		/* Our device structure         */
-
-	/*
-	 * Neighbour radio records
-	 */
-
-	MetricomNodeTable portables;
-	MetricomNodeTable poletops;
-};
-
-/*
- * Note: manual_dev_addr hack
- * 
- * It is not possible to change the hardware address of a Metricom radio,
- * or to send packets with a user-specified hardware source address, thus
- * trying to manually set a hardware source address is a questionable
- * thing to do.  However, if the user *does* manually set the hardware
- * source address of a STRIP interface, then the kernel will believe it,
- * and use it in certain places. For example, the hardware address listed
- * by ifconfig will be the manual address, not the true one.
- * (Both addresses are listed in /proc/net/strip.)
- * Also, ARP packets will be sent out giving the user-specified address as
- * the source address, not the real address. This is dangerous, because
- * it means you won't receive any replies -- the ARP replies will go to
- * the specified address, which will be some other radio. The case where
- * this is useful is when that other radio is also connected to the same
- * machine. This allows you to connect a pair of radios to one machine,
- * and to use one exclusively for inbound traffic, and the other
- * exclusively for outbound traffic. Pretty neat, huh?
- * 
- * Here's the full procedure to set this up:
- * 
- * 1. "slattach" two interfaces, e.g. st0 for outgoing packets,
- *    and st1 for incoming packets
- * 
- * 2. "ifconfig" st0 (outbound radio) to have the hardware address
- *    which is the real hardware address of st1 (inbound radio).
- *    Now when it sends out packets, it will masquerade as st1, and
- *    replies will be sent to that radio, which is exactly what we want.
- * 
- * 3. Set the route table entry ("route add default ..." or
- *    "route add -net ...", as appropriate) to send packets via the st0
- *    interface (outbound radio). Do not add any route which sends packets
- *    out via the st1 interface -- that radio is for inbound traffic only.
- * 
- * 4. "ifconfig" st1 (inbound radio) to have hardware address zero.
- *    This tells the STRIP driver to "shut down" that interface and not
- *    send any packets through it. In particular, it stops sending the
- *    periodic gratuitous ARP packets that a STRIP interface normally sends.
- *    Also, when packets arrive on that interface, it will search the
- *    interface list to see if there is another interface who's manual
- *    hardware address matches its own real address (i.e. st0 in this
- *    example) and if so it will transfer ownership of the skbuff to
- *    that interface, so that it looks to the kernel as if the packet
- *    arrived on that interface. This is necessary because when the
- *    kernel sends an ARP packet on st0, it expects to get a reply on
- *    st0, and if it sees the reply come from st1 then it will ignore
- *    it (to be accurate, it puts the entry in the ARP table, but
- *    labelled in such a way that st0 can't use it).
- * 
- * Thanks to Petros Maniatis for coming up with the idea of splitting
- * inbound and outbound traffic between two interfaces, which turned
- * out to be really easy to implement, even if it is a bit of a hack.
- * 
- * Having set a manual address on an interface, you can restore it
- * to automatic operation (where the address is automatically kept
- * consistent with the real address of the radio) by setting a manual
- * address of all ones, e.g. "ifconfig st0 hw strip FFFFFFFFFFFF"
- * This 'turns off' manual override mode for the device address.
- * 
- * Note: The IEEE 802 headers reported in tcpdump will show the *real*
- * radio addresses the packets were sent and received from, so that you
- * can see what is really going on with packets, and which interfaces
- * they are really going through.
- */
-
-
-/************************************************************************/
-/* Constants								*/
-
-/*
- * CommandString1 works on all radios
- * Other CommandStrings are only used with firmware that provides structured responses.
- * 
- * ats319=1 Enables Info message for node additions and deletions
- * ats319=2 Enables Info message for a new best node
- * ats319=4 Enables checksums
- * ats319=8 Enables ACK messages
- */
-
-static const int MaxCommandStringLength = 32;
-static const int CompatibilityCommand = 1;
-
-static const char CommandString0[] = "*&COMMAND*ATS319=7";	/* Turn on checksums & info messages */
-static const char CommandString1[] = "*&COMMAND*ATS305?";	/* Query radio name */
-static const char CommandString2[] = "*&COMMAND*ATS325?";	/* Query battery voltage */
-static const char CommandString3[] = "*&COMMAND*ATS300?";	/* Query version information */
-static const char CommandString4[] = "*&COMMAND*ATS311?";	/* Query poletop list */
-static const char CommandString5[] = "*&COMMAND*AT~LA";		/* Query portables list */
-typedef struct {
-	const char *string;
-	long length;
-} StringDescriptor;
-
-static const StringDescriptor CommandString[] = {
-	{CommandString0, sizeof(CommandString0) - 1},
-	{CommandString1, sizeof(CommandString1) - 1},
-	{CommandString2, sizeof(CommandString2) - 1},
-	{CommandString3, sizeof(CommandString3) - 1},
-	{CommandString4, sizeof(CommandString4) - 1},
-	{CommandString5, sizeof(CommandString5) - 1}
-};
-
-#define GOT_ALL_RADIO_INFO(S)      \
-    ((S)->firmware_version.c[0] && \
-     (S)->battery_voltage.c[0]  && \
-     memcmp(&(S)->true_dev_addr, zero_address.c, sizeof(zero_address)))
-
-static const char hextable[16] = "0123456789ABCDEF";
-
-static const MetricomAddress zero_address;
-static const MetricomAddress broadcast_address =
-    { {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF} };
-
-static const MetricomKey SIP0Key = { "SIP0" };
-static const MetricomKey ARP0Key = { "ARP0" };
-static const MetricomKey ATR_Key = { "ATR " };
-static const MetricomKey ACK_Key = { "ACK_" };
-static const MetricomKey INF_Key = { "INF_" };
-static const MetricomKey ERR_Key = { "ERR_" };
-
-static const long MaxARPInterval = 60 * HZ;	/* One minute */
-
-/*
- * Maximum Starmode packet length is 1183 bytes. Allowing 4 bytes for
- * protocol key, 4 bytes for checksum, one byte for CR, and 65/64 expansion
- * for STRIP encoding, that translates to a maximum payload MTU of 1155.
- * Note: A standard NFS 1K data packet is a total of 0x480 (1152) bytes
- * long, including IP header, UDP header, and NFS header. Setting the STRIP
- * MTU to 1152 allows us to send default sized NFS packets without fragmentation.
- */
-static const unsigned short MAX_SEND_MTU = 1152;
-static const unsigned short MAX_RECV_MTU = 1500;	/* Hoping for Ethernet sized packets in the future! */
-static const unsigned short DEFAULT_STRIP_MTU = 1152;
-static const int STRIP_MAGIC = 0x5303;
-static const long LongTime = 0x7FFFFFFF;
-
-/************************************************************************/
-/* Global variables							*/
-
-static LIST_HEAD(strip_list);
-static DEFINE_SPINLOCK(strip_lock);
-
-/************************************************************************/
-/* Macros								*/
-
-/* Returns TRUE if text T begins with prefix P */
-#define has_prefix(T,L,P) (((L) >= sizeof(P)-1) && !strncmp((T), (P), sizeof(P)-1))
-
-/* Returns TRUE if text T of length L is equal to string S */
-#define text_equal(T,L,S) (((L) == sizeof(S)-1) && !strncmp((T), (S), sizeof(S)-1))
-
-#define READHEX(X) ((X)>='0' && (X)<='9' ? (X)-'0' :      \
-                    (X)>='a' && (X)<='f' ? (X)-'a'+10 :   \
-                    (X)>='A' && (X)<='F' ? (X)-'A'+10 : 0 )
-
-#define READHEX16(X) ((__u16)(READHEX(X)))
-
-#define READDEC(X) ((X)>='0' && (X)<='9' ? (X)-'0' : 0)
-
-#define ARRAY_END(X) (&((X)[ARRAY_SIZE(X)]))
-
-#define JIFFIE_TO_SEC(X) ((X) / HZ)
-
-
-/************************************************************************/
-/* Utility routines							*/
-
-static int arp_query(unsigned char *haddr, u32 paddr,
-		     struct net_device *dev)
-{
-	struct neighbour *neighbor_entry;
-	int ret = 0;
-
-	neighbor_entry = neigh_lookup(&arp_tbl, &paddr, dev);
-
-	if (neighbor_entry != NULL) {
-		neighbor_entry->used = jiffies;
-		if (neighbor_entry->nud_state & NUD_VALID) {
-			memcpy(haddr, neighbor_entry->ha, dev->addr_len);
-			ret = 1;
-		}
-		neigh_release(neighbor_entry);
-	}
-	return ret;
-}
-
-static void DumpData(char *msg, struct strip *strip_info, __u8 * ptr,
-		     __u8 * end)
-{
-	static const int MAX_DumpData = 80;
-	__u8 pkt_text[MAX_DumpData], *p = pkt_text;
-
-	*p++ = '\"';
-
-	while (ptr < end && p < &pkt_text[MAX_DumpData - 4]) {
-		if (*ptr == '\\') {
-			*p++ = '\\';
-			*p++ = '\\';
-		} else {
-			if (*ptr >= 32 && *ptr <= 126) {
-				*p++ = *ptr;
-			} else {
-				sprintf(p, "\\%02X", *ptr);
-				p += 3;
-			}
-		}
-		ptr++;
-	}
-
-	if (ptr == end)
-		*p++ = '\"';
-	*p++ = 0;
-
-	printk(KERN_INFO "%s: %-13s%s\n", strip_info->dev->name, msg, pkt_text);
-}
-
-
-/************************************************************************/
-/* Byte stuffing/unstuffing routines					*/
-
-/* Stuffing scheme:
- * 00    Unused (reserved character)
- * 01-3F Run of 2-64 different characters
- * 40-7F Run of 1-64 different characters plus a single zero at the end
- * 80-BF Run of 1-64 of the same character
- * C0-FF Run of 1-64 zeroes (ASCII 0)
- */
-
-typedef enum {
-	Stuff_Diff = 0x00,
-	Stuff_DiffZero = 0x40,
-	Stuff_Same = 0x80,
-	Stuff_Zero = 0xC0,
-	Stuff_NoCode = 0xFF,	/* Special code, meaning no code selected */
-
-	Stuff_CodeMask = 0xC0,
-	Stuff_CountMask = 0x3F,
-	Stuff_MaxCount = 0x3F,
-	Stuff_Magic = 0x0D	/* The value we are eliminating */
-} StuffingCode;
-
-/* StuffData encodes the data starting at "src" for "length" bytes.
- * It writes it to the buffer pointed to by "dst" (which must be at least
- * as long as 1 + 65/64 of the input length). The output may be up to 1.6%
- * larger than the input for pathological input, but will usually be smaller.
- * StuffData returns the new value of the dst pointer as its result.
- * "code_ptr_ptr" points to a "__u8 *" which is used to hold encoding state
- * between calls, allowing an encoded packet to be incrementally built up
- * from small parts. On the first call, the "__u8 *" pointed to should be
- * initialized to NULL; between subsequent calls the calling routine should
- * leave the value alone and simply pass it back unchanged so that the
- * encoder can recover its current state.
- */
-
-#define StuffData_FinishBlock(X) \
-(*code_ptr = (X) ^ Stuff_Magic, code = Stuff_NoCode)
-
-static __u8 *StuffData(__u8 * src, __u32 length, __u8 * dst,
-		       __u8 ** code_ptr_ptr)
-{
-	__u8 *end = src + length;
-	__u8 *code_ptr = *code_ptr_ptr;
-	__u8 code = Stuff_NoCode, count = 0;
-
-	if (!length)
-		return (dst);
-
-	if (code_ptr) {
-		/*
-		 * Recover state from last call, if applicable
-		 */
-		code = (*code_ptr ^ Stuff_Magic) & Stuff_CodeMask;
-		count = (*code_ptr ^ Stuff_Magic) & Stuff_CountMask;
-	}
-
-	while (src < end) {
-		switch (code) {
-			/* Stuff_NoCode: If no current code, select one */
-		case Stuff_NoCode:
-			/* Record where we're going to put this code */
-			code_ptr = dst++;
-			count = 0;	/* Reset the count (zero means one instance) */
-			/* Tentatively start a new block */
-			if (*src == 0) {
-				code = Stuff_Zero;
-				src++;
-			} else {
-				code = Stuff_Same;
-				*dst++ = *src++ ^ Stuff_Magic;
-			}
-			/* Note: We optimistically assume run of same -- */
-			/* which will be fixed later in Stuff_Same */
-			/* if it turns out not to be true. */
-			break;
-
-			/* Stuff_Zero: We already have at least one zero encoded */
-		case Stuff_Zero:
-			/* If another zero, count it, else finish this code block */
-			if (*src == 0) {
-				count++;
-				src++;
-			} else {
-				StuffData_FinishBlock(Stuff_Zero + count);
-			}
-			break;
-
-			/* Stuff_Same: We already have at least one byte encoded */
-		case Stuff_Same:
-			/* If another one the same, count it */
-			if ((*src ^ Stuff_Magic) == code_ptr[1]) {
-				count++;
-				src++;
-				break;
-			}
-			/* else, this byte does not match this block. */
-			/* If we already have two or more bytes encoded, finish this code block */
-			if (count) {
-				StuffData_FinishBlock(Stuff_Same + count);
-				break;
-			}
-			/* else, we only have one so far, so switch to Stuff_Diff code */
-			code = Stuff_Diff;
-			/* and fall through to Stuff_Diff case below
-			 * Note cunning cleverness here: case Stuff_Diff compares 
-			 * the current character with the previous two to see if it
-			 * has a run of three the same. Won't this be an error if
-			 * there aren't two previous characters stored to compare with?
-			 * No. Because we know the current character is *not* the same
-			 * as the previous one, the first test below will necessarily
-			 * fail and the send half of the "if" won't be executed.
-			 */
-
-			/* Stuff_Diff: We have at least two *different* bytes encoded */
-		case Stuff_Diff:
-			/* If this is a zero, must encode a Stuff_DiffZero, and begin a new block */
-			if (*src == 0) {
-				StuffData_FinishBlock(Stuff_DiffZero +
-						      count);
-			}
-			/* else, if we have three in a row, it is worth starting a Stuff_Same block */
-			else if ((*src ^ Stuff_Magic) == dst[-1]
-				 && dst[-1] == dst[-2]) {
-				/* Back off the last two characters we encoded */
-				code += count - 2;
-				/* Note: "Stuff_Diff + 0" is an illegal code */
-				if (code == Stuff_Diff + 0) {
-					code = Stuff_Same + 0;
-				}
-				StuffData_FinishBlock(code);
-				code_ptr = dst - 2;
-				/* dst[-1] already holds the correct value */
-				count = 2;	/* 2 means three bytes encoded */
-				code = Stuff_Same;
-			}
-			/* else, another different byte, so add it to the block */
-			else {
-				*dst++ = *src ^ Stuff_Magic;
-				count++;
-			}
-			src++;	/* Consume the byte */
-			break;
-		}
-		if (count == Stuff_MaxCount) {
-			StuffData_FinishBlock(code + count);
-		}
-	}
-	if (code == Stuff_NoCode) {
-		*code_ptr_ptr = NULL;
-	} else {
-		*code_ptr_ptr = code_ptr;
-		StuffData_FinishBlock(code + count);
-	}
-	return (dst);
-}
-
-/*
- * UnStuffData decodes the data at "src", up to (but not including) "end".
- * It writes the decoded data into the buffer pointed to by "dst", up to a
- * maximum of "dst_length", and returns the new value of "src" so that a
- * follow-on call can read more data, continuing from where the first left off.
- * 
- * There are three types of results:
- * 1. The source data runs out before extracting "dst_length" bytes:
- *    UnStuffData returns NULL to indicate failure.
- * 2. The source data produces exactly "dst_length" bytes:
- *    UnStuffData returns new_src = end to indicate that all bytes were consumed.
- * 3. "dst_length" bytes are extracted, with more remaining.
- *    UnStuffData returns new_src < end to indicate that there are more bytes
- *    to be read.
- * 
- * Note: The decoding may be destructive, in that it may alter the source
- * data in the process of decoding it (this is necessary to allow a follow-on
- * call to resume correctly).
- */
-
-static __u8 *UnStuffData(__u8 * src, __u8 * end, __u8 * dst,
-			 __u32 dst_length)
-{
-	__u8 *dst_end = dst + dst_length;
-	/* Sanity check */
-	if (!src || !end || !dst || !dst_length)
-		return (NULL);
-	while (src < end && dst < dst_end) {
-		int count = (*src ^ Stuff_Magic) & Stuff_CountMask;
-		switch ((*src ^ Stuff_Magic) & Stuff_CodeMask) {
-		case Stuff_Diff:
-			if (src + 1 + count >= end)
-				return (NULL);
-			do {
-				*dst++ = *++src ^ Stuff_Magic;
-			}
-			while (--count >= 0 && dst < dst_end);
-			if (count < 0)
-				src += 1;
-			else {
-				if (count == 0)
-					*src = Stuff_Same ^ Stuff_Magic;
-				else
-					*src =
-					    (Stuff_Diff +
-					     count) ^ Stuff_Magic;
-			}
-			break;
-		case Stuff_DiffZero:
-			if (src + 1 + count >= end)
-				return (NULL);
-			do {
-				*dst++ = *++src ^ Stuff_Magic;
-			}
-			while (--count >= 0 && dst < dst_end);
-			if (count < 0)
-				*src = Stuff_Zero ^ Stuff_Magic;
-			else
-				*src =
-				    (Stuff_DiffZero + count) ^ Stuff_Magic;
-			break;
-		case Stuff_Same:
-			if (src + 1 >= end)
-				return (NULL);
-			do {
-				*dst++ = src[1] ^ Stuff_Magic;
-			}
-			while (--count >= 0 && dst < dst_end);
-			if (count < 0)
-				src += 2;
-			else
-				*src = (Stuff_Same + count) ^ Stuff_Magic;
-			break;
-		case Stuff_Zero:
-			do {
-				*dst++ = 0;
-			}
-			while (--count >= 0 && dst < dst_end);
-			if (count < 0)
-				src += 1;
-			else
-				*src = (Stuff_Zero + count) ^ Stuff_Magic;
-			break;
-		}
-	}
-	if (dst < dst_end)
-		return (NULL);
-	else
-		return (src);
-}
-
-
-/************************************************************************/
-/* General routines for STRIP						*/
-
-/*
- * set_baud sets the baud rate to the rate defined by baudcode
- */
-static void set_baud(struct tty_struct *tty, speed_t baudrate)
-{
-	struct ktermios old_termios;
-
-	mutex_lock(&tty->termios_mutex);
-	old_termios =*(tty->termios);
-	tty_encode_baud_rate(tty, baudrate, baudrate);
-	tty->ops->set_termios(tty, &old_termios);
-	mutex_unlock(&tty->termios_mutex);
-}
-
-/*
- * Convert a string to a Metricom Address.
- */
-
-#define IS_RADIO_ADDRESS(p) (                                                 \
-  isdigit((p)[0]) && isdigit((p)[1]) && isdigit((p)[2]) && isdigit((p)[3]) && \
-  (p)[4] == '-' &&                                                            \
-  isdigit((p)[5]) && isdigit((p)[6]) && isdigit((p)[7]) && isdigit((p)[8])    )
-
-static int string_to_radio_address(MetricomAddress * addr, __u8 * p)
-{
-	if (!IS_RADIO_ADDRESS(p))
-		return (1);
-	addr->c[0] = 0;
-	addr->c[1] = 0;
-	addr->c[2] = READHEX(p[0]) << 4 | READHEX(p[1]);
-	addr->c[3] = READHEX(p[2]) << 4 | READHEX(p[3]);
-	addr->c[4] = READHEX(p[5]) << 4 | READHEX(p[6]);
-	addr->c[5] = READHEX(p[7]) << 4 | READHEX(p[8]);
-	return (0);
-}
-
-/*
- * Convert a Metricom Address to a string.
- */
-
-static __u8 *radio_address_to_string(const MetricomAddress * addr,
-				     MetricomAddressString * p)
-{
-	sprintf(p->c, "%02X%02X-%02X%02X", addr->c[2], addr->c[3],
-		addr->c[4], addr->c[5]);
-	return (p->c);
-}
-
-/*
- * Note: Must make sure sx_size is big enough to receive a stuffed
- * MAX_RECV_MTU packet. Additionally, we also want to ensure that it's
- * big enough to receive a large radio neighbour list (currently 4K).
- */
-
-static int allocate_buffers(struct strip *strip_info, int mtu)
-{
-	struct net_device *dev = strip_info->dev;
-	int sx_size = max_t(int, STRIP_ENCAP_SIZE(MAX_RECV_MTU), 4096);
-	int tx_size = STRIP_ENCAP_SIZE(mtu) + MaxCommandStringLength;
-	__u8 *r = kmalloc(MAX_RECV_MTU, GFP_ATOMIC);
-	__u8 *s = kmalloc(sx_size, GFP_ATOMIC);
-	__u8 *t = kmalloc(tx_size, GFP_ATOMIC);
-	if (r && s && t) {
-		strip_info->rx_buff = r;
-		strip_info->sx_buff = s;
-		strip_info->tx_buff = t;
-		strip_info->sx_size = sx_size;
-		strip_info->tx_size = tx_size;
-		strip_info->mtu = dev->mtu = mtu;
-		return (1);
-	}
-	kfree(r);
-	kfree(s);
-	kfree(t);
-	return (0);
-}
-
-/*
- * MTU has been changed by the IP layer. 
- * We could be in
- * an upcall from the tty driver, or in an ip packet queue.
- */
-static int strip_change_mtu(struct net_device *dev, int new_mtu)
-{
-	struct strip *strip_info = netdev_priv(dev);
-	int old_mtu = strip_info->mtu;
-	unsigned char *orbuff = strip_info->rx_buff;
-	unsigned char *osbuff = strip_info->sx_buff;
-	unsigned char *otbuff = strip_info->tx_buff;
-
-	if (new_mtu > MAX_SEND_MTU) {
-		printk(KERN_ERR
-		       "%s: MTU exceeds maximum allowable (%d), MTU change cancelled.\n",
-		       strip_info->dev->name, MAX_SEND_MTU);
-		return -EINVAL;
-	}
-
-	spin_lock_bh(&strip_lock);
-	if (!allocate_buffers(strip_info, new_mtu)) {
-		printk(KERN_ERR "%s: unable to grow strip buffers, MTU change cancelled.\n",
-		       strip_info->dev->name);
-		spin_unlock_bh(&strip_lock);
-		return -ENOMEM;
-	}
-
-	if (strip_info->sx_count) {
-		if (strip_info->sx_count <= strip_info->sx_size)
-			memcpy(strip_info->sx_buff, osbuff,
-			       strip_info->sx_count);
-		else {
-			strip_info->discard = strip_info->sx_count;
-			strip_info->rx_over_errors++;
-		}
-	}
-
-	if (strip_info->tx_left) {
-		if (strip_info->tx_left <= strip_info->tx_size)
-			memcpy(strip_info->tx_buff, strip_info->tx_head,
-			       strip_info->tx_left);
-		else {
-			strip_info->tx_left = 0;
-			strip_info->tx_dropped++;
-		}
-	}
-	strip_info->tx_head = strip_info->tx_buff;
-	spin_unlock_bh(&strip_lock);
-
-	printk(KERN_NOTICE "%s: strip MTU changed fom %d to %d.\n",
-	       strip_info->dev->name, old_mtu, strip_info->mtu);
-
-	kfree(orbuff);
-	kfree(osbuff);
-	kfree(otbuff);
-	return 0;
-}
-
-static void strip_unlock(struct strip *strip_info)
-{
-	/*
-	 * Set the timer to go off in one second.
-	 */
-	strip_info->idle_timer.expires = jiffies + 1 * HZ;
-	add_timer(&strip_info->idle_timer);
-	netif_wake_queue(strip_info->dev);
-}
-
-
-
-/*
- * If the time is in the near future, time_delta prints the number of
- * seconds to go into the buffer and returns the address of the buffer.
- * If the time is not in the near future, it returns the address of the
- * string "Not scheduled" The buffer must be long enough to contain the
- * ascii representation of the number plus 9 charactes for the " seconds"
- * and the null character.
- */
-#ifdef CONFIG_PROC_FS
-static char *time_delta(char buffer[], long time)
-{
-	time -= jiffies;
-	if (time > LongTime / 2)
-		return ("Not scheduled");
-	if (time < 0)
-		time = 0;	/* Don't print negative times */
-	sprintf(buffer, "%ld seconds", time / HZ);
-	return (buffer);
-}
-
-/* get Nth element of the linked list */
-static struct strip *strip_get_idx(loff_t pos) 
-{
-	struct strip *str;
-	int i = 0;
-
-	list_for_each_entry_rcu(str, &strip_list, list) {
-		if (pos == i)
-			return str;
-		++i;
-	}
-	return NULL;
-}
-
-static void *strip_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(RCU)
-{
-	rcu_read_lock();
-	return *pos ? strip_get_idx(*pos - 1) : SEQ_START_TOKEN;
-}
-
-static void *strip_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	struct list_head *l;
-	struct strip *s;
-
-	++*pos;
-	if (v == SEQ_START_TOKEN)
-		return strip_get_idx(1);
-
-	s = v;
-	l = &s->list;
-	list_for_each_continue_rcu(l, &strip_list) {
-		return list_entry(l, struct strip, list);
-	}
-	return NULL;
-}
-
-static void strip_seq_stop(struct seq_file *seq, void *v)
-	__releases(RCU)
-{
-	rcu_read_unlock();
-}
-
-static void strip_seq_neighbours(struct seq_file *seq,
-			   const MetricomNodeTable * table,
-			   const char *title)
-{
-	/* We wrap this in a do/while loop, so if the table changes */
-	/* while we're reading it, we just go around and try again. */
-	struct timeval t;
-
-	do {
-		int i;
-		t = table->timestamp;
-		if (table->num_nodes)
-			seq_printf(seq, "\n %s\n", title);
-		for (i = 0; i < table->num_nodes; i++) {
-			MetricomNode node;
-
-			spin_lock_bh(&strip_lock);
-			node = table->node[i];
-			spin_unlock_bh(&strip_lock);
-			seq_printf(seq, "  %s\n", node.c);
-		}
-	} while (table->timestamp.tv_sec != t.tv_sec
-		 || table->timestamp.tv_usec != t.tv_usec);
-}
-
-/*
- * This function prints radio status information via the seq_file
- * interface.  The interface takes care of buffer size and over
- * run issues. 
- *
- * The buffer in seq_file is PAGESIZE (4K) 
- * so this routine should never print more or it will get truncated.
- * With the maximum of 32 portables and 32 poletops
- * reported, the routine outputs 3107 bytes into the buffer.
- */
-static void strip_seq_status_info(struct seq_file *seq, 
-				  const struct strip *strip_info)
-{
-	char temp[32];
-	MetricomAddressString addr_string;
-
-	/* First, we must copy all of our data to a safe place, */
-	/* in case a serial interrupt comes in and changes it.  */
-	int tx_left = strip_info->tx_left;
-	unsigned long rx_average_pps = strip_info->rx_average_pps;
-	unsigned long tx_average_pps = strip_info->tx_average_pps;
-	unsigned long sx_average_pps = strip_info->sx_average_pps;
-	int working = strip_info->working;
-	int firmware_level = strip_info->firmware_level;
-	long watchdog_doprobe = strip_info->watchdog_doprobe;
-	long watchdog_doreset = strip_info->watchdog_doreset;
-	long gratuitous_arp = strip_info->gratuitous_arp;
-	long arp_interval = strip_info->arp_interval;
-	FirmwareVersion firmware_version = strip_info->firmware_version;
-	SerialNumber serial_number = strip_info->serial_number;
-	BatteryVoltage battery_voltage = strip_info->battery_voltage;
-	char *if_name = strip_info->dev->name;
-	MetricomAddress true_dev_addr = strip_info->true_dev_addr;
-	MetricomAddress dev_dev_addr =
-	    *(MetricomAddress *) strip_info->dev->dev_addr;
-	int manual_dev_addr = strip_info->manual_dev_addr;
-#ifdef EXT_COUNTERS
-	unsigned long rx_bytes = strip_info->rx_bytes;
-	unsigned long tx_bytes = strip_info->tx_bytes;
-	unsigned long rx_rbytes = strip_info->rx_rbytes;
-	unsigned long tx_rbytes = strip_info->tx_rbytes;
-	unsigned long rx_sbytes = strip_info->rx_sbytes;
-	unsigned long tx_sbytes = strip_info->tx_sbytes;
-	unsigned long rx_ebytes = strip_info->rx_ebytes;
-	unsigned long tx_ebytes = strip_info->tx_ebytes;
-#endif
-
-	seq_printf(seq, "\nInterface name\t\t%s\n", if_name);
-	seq_printf(seq, " Radio working:\t\t%s\n", working ? "Yes" : "No");
-	radio_address_to_string(&true_dev_addr, &addr_string);
-	seq_printf(seq, " Radio address:\t\t%s\n", addr_string.c);
-	if (manual_dev_addr) {
-		radio_address_to_string(&dev_dev_addr, &addr_string);
-		seq_printf(seq, " Device address:\t%s\n", addr_string.c);
-	}
-	seq_printf(seq, " Firmware version:\t%s", !working ? "Unknown" :
-		     !firmware_level ? "Should be upgraded" :
-		     firmware_version.c);
-	if (firmware_level >= ChecksummedMessages)
-		seq_printf(seq, " (Checksums Enabled)");
-	seq_printf(seq, "\n");
-	seq_printf(seq, " Serial number:\t\t%s\n", serial_number.c);
-	seq_printf(seq, " Battery voltage:\t%s\n", battery_voltage.c);
-	seq_printf(seq, " Transmit queue (bytes):%d\n", tx_left);
-	seq_printf(seq, " Receive packet rate:   %ld packets per second\n",
-		     rx_average_pps / 8);
-	seq_printf(seq, " Transmit packet rate:  %ld packets per second\n",
-		     tx_average_pps / 8);
-	seq_printf(seq, " Sent packet rate:      %ld packets per second\n",
-		     sx_average_pps / 8);
-	seq_printf(seq, " Next watchdog probe:\t%s\n",
-		     time_delta(temp, watchdog_doprobe));
-	seq_printf(seq, " Next watchdog reset:\t%s\n",
-		     time_delta(temp, watchdog_doreset));
-	seq_printf(seq, " Next gratuitous ARP:\t");
-
-	if (!memcmp
-	    (strip_info->dev->dev_addr, zero_address.c,
-	     sizeof(zero_address)))
-		seq_printf(seq, "Disabled\n");
-	else {
-		seq_printf(seq, "%s\n", time_delta(temp, gratuitous_arp));
-		seq_printf(seq, " Next ARP interval:\t%ld seconds\n",
-			     JIFFIE_TO_SEC(arp_interval));
-	}
-
-	if (working) {
-#ifdef EXT_COUNTERS
-		seq_printf(seq, "\n");
-		seq_printf(seq,
-			     " Total bytes:         \trx:\t%lu\ttx:\t%lu\n",
-			     rx_bytes, tx_bytes);
-		seq_printf(seq,
-			     "  thru radio:         \trx:\t%lu\ttx:\t%lu\n",
-			     rx_rbytes, tx_rbytes);
-		seq_printf(seq,
-			     "  thru serial port:   \trx:\t%lu\ttx:\t%lu\n",
-			     rx_sbytes, tx_sbytes);
-		seq_printf(seq,
-			     " Total stat/err bytes:\trx:\t%lu\ttx:\t%lu\n",
-			     rx_ebytes, tx_ebytes);
-#endif
-		strip_seq_neighbours(seq, &strip_info->poletops,
-					"Poletops:");
-		strip_seq_neighbours(seq, &strip_info->portables,
-					"Portables:");
-	}
-}
-
-/*
- * This function is exports status information from the STRIP driver through
- * the /proc file system.
- */
-static int strip_seq_show(struct seq_file *seq, void *v)
-{
-	if (v == SEQ_START_TOKEN)
-		seq_printf(seq, "strip_version: %s\n", StripVersion);
-	else
-		strip_seq_status_info(seq, (const struct strip *)v);
-	return 0;
-}
-
-
-static const struct seq_operations strip_seq_ops = {
-	.start = strip_seq_start,
-	.next  = strip_seq_next,
-	.stop  = strip_seq_stop,
-	.show  = strip_seq_show,
-};
-
-static int strip_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &strip_seq_ops);
-}
-
-static const struct file_operations strip_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open    = strip_seq_open,
-	.read    = seq_read,
-	.llseek  = seq_lseek,
-	.release = seq_release,
-};
-#endif
-
-
-
-/************************************************************************/
-/* Sending routines							*/
-
-static void ResetRadio(struct strip *strip_info)
-{
-	struct tty_struct *tty = strip_info->tty;
-	static const char init[] = "ate0q1dt**starmode\r**";
-	StringDescriptor s = { init, sizeof(init) - 1 };
-
-	/* 
-	 * If the radio isn't working anymore,
-	 * we should clear the old status information.
-	 */
-	if (strip_info->working) {
-		printk(KERN_INFO "%s: No response: Resetting radio.\n",
-		       strip_info->dev->name);
-		strip_info->firmware_version.c[0] = '\0';
-		strip_info->serial_number.c[0] = '\0';
-		strip_info->battery_voltage.c[0] = '\0';
-		strip_info->portables.num_nodes = 0;
-		do_gettimeofday(&strip_info->portables.timestamp);
-		strip_info->poletops.num_nodes = 0;
-		do_gettimeofday(&strip_info->poletops.timestamp);
-	}
-
-	strip_info->pps_timer = jiffies;
-	strip_info->rx_pps_count = 0;
-	strip_info->tx_pps_count = 0;
-	strip_info->sx_pps_count = 0;
-	strip_info->rx_average_pps = 0;
-	strip_info->tx_average_pps = 0;
-	strip_info->sx_average_pps = 0;
-
-	/* Mark radio address as unknown */
-	*(MetricomAddress *) & strip_info->true_dev_addr = zero_address;
-	if (!strip_info->manual_dev_addr)
-		*(MetricomAddress *) strip_info->dev->dev_addr =
-		    zero_address;
-	strip_info->working = FALSE;
-	strip_info->firmware_level = NoStructure;
-	strip_info->next_command = CompatibilityCommand;
-	strip_info->watchdog_doprobe = jiffies + 10 * HZ;
-	strip_info->watchdog_doreset = jiffies + 1 * HZ;
-
-	/* If the user has selected a baud rate above 38.4 see what magic we have to do */
-	if (strip_info->user_baud > 38400) {
-		/*
-		 * Subtle stuff: Pay attention :-)
-		 * If the serial port is currently at the user's selected (>38.4) rate,
-		 * then we temporarily switch to 19.2 and issue the ATS304 command
-		 * to tell the radio to switch to the user's selected rate.
-		 * If the serial port is not currently at that rate, that means we just
-		 * issued the ATS304 command last time through, so this time we restore
-		 * the user's selected rate and issue the normal starmode reset string.
-		 */
-		if (strip_info->user_baud == tty_get_baud_rate(tty)) {
-			static const char b0[] = "ate0q1s304=57600\r";
-			static const char b1[] = "ate0q1s304=115200\r";
-			static const StringDescriptor baudstring[2] =
-			    { {b0, sizeof(b0) - 1}
-			, {b1, sizeof(b1) - 1}
-			};
-			set_baud(tty, 19200);
-			if (strip_info->user_baud == 57600)
-				s = baudstring[0];
-			else if (strip_info->user_baud == 115200)
-				s = baudstring[1];
-			else
-				s = baudstring[1];	/* For now */
-		} else
-			set_baud(tty, strip_info->user_baud);
-	}
-
-	tty->ops->write(tty, s.string, s.length);
-#ifdef EXT_COUNTERS
-	strip_info->tx_ebytes += s.length;
-#endif
-}
-
-/*
- * Called by the driver when there's room for more data.  If we have
- * more packets to send, we send them here.
- */
-
-static void strip_write_some_more(struct tty_struct *tty)
-{
-	struct strip *strip_info = tty->disc_data;
-
-	/* First make sure we're connected. */
-	if (!strip_info || strip_info->magic != STRIP_MAGIC ||
-	    !netif_running(strip_info->dev))
-		return;
-
-	if (strip_info->tx_left > 0) {
-		int num_written =
-		    tty->ops->write(tty, strip_info->tx_head,
-				      strip_info->tx_left);
-		strip_info->tx_left -= num_written;
-		strip_info->tx_head += num_written;
-#ifdef EXT_COUNTERS
-		strip_info->tx_sbytes += num_written;
-#endif
-	} else {		/* Else start transmission of another packet */
-
-		clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
-		strip_unlock(strip_info);
-	}
-}
-
-static __u8 *add_checksum(__u8 * buffer, __u8 * end)
-{
-	__u16 sum = 0;
-	__u8 *p = buffer;
-	while (p < end)
-		sum += *p++;
-	end[3] = hextable[sum & 0xF];
-	sum >>= 4;
-	end[2] = hextable[sum & 0xF];
-	sum >>= 4;
-	end[1] = hextable[sum & 0xF];
-	sum >>= 4;
-	end[0] = hextable[sum & 0xF];
-	return (end + 4);
-}
-
-static unsigned char *strip_make_packet(unsigned char *buffer,
-					struct strip *strip_info,
-					struct sk_buff *skb)
-{
-	__u8 *ptr = buffer;
-	__u8 *stuffstate = NULL;
-	STRIP_Header *header = (STRIP_Header *) skb->data;
-	MetricomAddress haddr = header->dst_addr;
-	int len = skb->len - sizeof(STRIP_Header);
-	MetricomKey key;
-
-	/*HexDump("strip_make_packet", strip_info, skb->data, skb->data + skb->len); */
-
-	if (header->protocol == htons(ETH_P_IP))
-		key = SIP0Key;
-	else if (header->protocol == htons(ETH_P_ARP))
-		key = ARP0Key;
-	else {
-		printk(KERN_ERR
-		       "%s: strip_make_packet: Unknown packet type 0x%04X\n",
-		       strip_info->dev->name, ntohs(header->protocol));
-		return (NULL);
-	}
-
-	if (len > strip_info->mtu) {
-		printk(KERN_ERR
-		       "%s: Dropping oversized transmit packet: %d bytes\n",
-		       strip_info->dev->name, len);
-		return (NULL);
-	}
-
-	/*
-	 * If we're sending to ourselves, discard the packet.
-	 * (Metricom radios choke if they try to send a packet to their own address.)
-	 */
-	if (!memcmp(haddr.c, strip_info->true_dev_addr.c, sizeof(haddr))) {
-		printk(KERN_ERR "%s: Dropping packet addressed to self\n",
-		       strip_info->dev->name);
-		return (NULL);
-	}
-
-	/*
-	 * If this is a broadcast packet, send it to our designated Metricom
-	 * 'broadcast hub' radio (First byte of address being 0xFF means broadcast)
-	 */
-	if (haddr.c[0] == 0xFF) {
-		__be32 brd = 0;
-		struct in_device *in_dev;
-
-		rcu_read_lock();
-		in_dev = __in_dev_get_rcu(strip_info->dev);
-		if (in_dev == NULL) {
-			rcu_read_unlock();
-			return NULL;
-		}
-		if (in_dev->ifa_list)
-			brd = in_dev->ifa_list->ifa_broadcast;
-		rcu_read_unlock();
-
-		/* arp_query returns 1 if it succeeds in looking up the address, 0 if it fails */
-		if (!arp_query(haddr.c, brd, strip_info->dev)) {
-			printk(KERN_ERR
-			       "%s: Unable to send packet (no broadcast hub configured)\n",
-			       strip_info->dev->name);
-			return (NULL);
-		}
-		/*
-		 * If we are the broadcast hub, don't bother sending to ourselves.
-		 * (Metricom radios choke if they try to send a packet to their own address.)
-		 */
-		if (!memcmp
-		    (haddr.c, strip_info->true_dev_addr.c, sizeof(haddr)))
-			return (NULL);
-	}
-
-	*ptr++ = 0x0D;
-	*ptr++ = '*';
-	*ptr++ = hextable[haddr.c[2] >> 4];
-	*ptr++ = hextable[haddr.c[2] & 0xF];
-	*ptr++ = hextable[haddr.c[3] >> 4];
-	*ptr++ = hextable[haddr.c[3] & 0xF];
-	*ptr++ = '-';
-	*ptr++ = hextable[haddr.c[4] >> 4];
-	*ptr++ = hextable[haddr.c[4] & 0xF];
-	*ptr++ = hextable[haddr.c[5] >> 4];
-	*ptr++ = hextable[haddr.c[5] & 0xF];
-	*ptr++ = '*';
-	*ptr++ = key.c[0];
-	*ptr++ = key.c[1];
-	*ptr++ = key.c[2];
-	*ptr++ = key.c[3];
-
-	ptr =
-	    StuffData(skb->data + sizeof(STRIP_Header), len, ptr,
-		      &stuffstate);
-
-	if (strip_info->firmware_level >= ChecksummedMessages)
-		ptr = add_checksum(buffer + 1, ptr);
-
-	*ptr++ = 0x0D;
-	return (ptr);
-}
-
-static void strip_send(struct strip *strip_info, struct sk_buff *skb)
-{
-	MetricomAddress haddr;
-	unsigned char *ptr = strip_info->tx_buff;
-	int doreset = (long) jiffies - strip_info->watchdog_doreset >= 0;
-	int doprobe = (long) jiffies - strip_info->watchdog_doprobe >= 0
-	    && !doreset;
-	__be32 addr, brd;
-
-	/*
-	 * 1. If we have a packet, encapsulate it and put it in the buffer
-	 */
-	if (skb) {
-		char *newptr = strip_make_packet(ptr, strip_info, skb);
-		strip_info->tx_pps_count++;
-		if (!newptr)
-			strip_info->tx_dropped++;
-		else {
-			ptr = newptr;
-			strip_info->sx_pps_count++;
-			strip_info->tx_packets++;	/* Count another successful packet */
-#ifdef EXT_COUNTERS
-			strip_info->tx_bytes += skb->len;
-			strip_info->tx_rbytes += ptr - strip_info->tx_buff;
-#endif
-			/*DumpData("Sending:", strip_info, strip_info->tx_buff, ptr); */
-			/*HexDump("Sending", strip_info, strip_info->tx_buff, ptr); */
-		}
-	}
-
-	/*
-	 * 2. If it is time for another tickle, tack it on, after the packet
-	 */
-	if (doprobe) {
-		StringDescriptor ts = CommandString[strip_info->next_command];
-#if TICKLE_TIMERS
-		{
-			struct timeval tv;
-			do_gettimeofday(&tv);
-			printk(KERN_INFO "**** Sending tickle string %d      at %02d.%06d\n",
-			       strip_info->next_command, tv.tv_sec % 100,
-			       tv.tv_usec);
-		}
-#endif
-		if (ptr == strip_info->tx_buff)
-			*ptr++ = 0x0D;
-
-		*ptr++ = '*';	/* First send "**" to provoke an error message */
-		*ptr++ = '*';
-
-		/* Then add the command */
-		memcpy(ptr, ts.string, ts.length);
-
-		/* Add a checksum ? */
-		if (strip_info->firmware_level < ChecksummedMessages)
-			ptr += ts.length;
-		else
-			ptr = add_checksum(ptr, ptr + ts.length);
-
-		*ptr++ = 0x0D;	/* Terminate the command with a <CR> */
-
-		/* Cycle to next periodic command? */
-		if (strip_info->firmware_level >= StructuredMessages)
-			if (++strip_info->next_command >=
-			    ARRAY_SIZE(CommandString))
-				strip_info->next_command = 0;
-#ifdef EXT_COUNTERS
-		strip_info->tx_ebytes += ts.length;
-#endif
-		strip_info->watchdog_doprobe = jiffies + 10 * HZ;
-		strip_info->watchdog_doreset = jiffies + 1 * HZ;
-		/*printk(KERN_INFO "%s: Routine radio test.\n", strip_info->dev->name); */
-	}
-
-	/*
-	 * 3. Set up the strip_info ready to send the data (if any).
-	 */
-	strip_info->tx_head = strip_info->tx_buff;
-	strip_info->tx_left = ptr - strip_info->tx_buff;
-	set_bit(TTY_DO_WRITE_WAKEUP, &strip_info->tty->flags);
-	/*
-	 * 4. Debugging check to make sure we're not overflowing the buffer.
-	 */
-	if (strip_info->tx_size - strip_info->tx_left < 20)
-		printk(KERN_ERR "%s: Sending%5d bytes;%5d bytes free.\n",
-		       strip_info->dev->name, strip_info->tx_left,
-		       strip_info->tx_size - strip_info->tx_left);
-
-	/*
-	 * 5. If watchdog has expired, reset the radio. Note: if there's data waiting in
-	 * the buffer, strip_write_some_more will send it after the reset has finished
-	 */
-	if (doreset) {
-		ResetRadio(strip_info);
-		return;
-	}
-
-	if (1) {
-		struct in_device *in_dev;
-
-		brd = addr = 0;
-		rcu_read_lock();
-		in_dev = __in_dev_get_rcu(strip_info->dev);
-		if (in_dev) {
-			if (in_dev->ifa_list) {
-				brd = in_dev->ifa_list->ifa_broadcast;
-				addr = in_dev->ifa_list->ifa_local;
-			}
-		}
-		rcu_read_unlock();
-	}
-
-
-	/*
-	 * 6. If it is time for a periodic ARP, queue one up to be sent.
-	 * We only do this if:
-	 *  1. The radio is working
-	 *  2. It's time to send another periodic ARP
-	 *  3. We really know what our address is (and it is not manually set to zero)
-	 *  4. We have a designated broadcast address configured
-	 * If we queue up an ARP packet when we don't have a designated broadcast
-	 * address configured, then the packet will just have to be discarded in
-	 * strip_make_packet. This is not fatal, but it causes misleading information
-	 * to be displayed in tcpdump. tcpdump will report that periodic APRs are
-	 * being sent, when in fact they are not, because they are all being dropped
-	 * in the strip_make_packet routine.
-	 */
-	if (strip_info->working
-	    && (long) jiffies - strip_info->gratuitous_arp >= 0
-	    && memcmp(strip_info->dev->dev_addr, zero_address.c,
-		      sizeof(zero_address))
-	    && arp_query(haddr.c, brd, strip_info->dev)) {
-		/*printk(KERN_INFO "%s: Sending gratuitous ARP with interval %ld\n",
-		   strip_info->dev->name, strip_info->arp_interval / HZ); */
-		strip_info->gratuitous_arp =
-		    jiffies + strip_info->arp_interval;
-		strip_info->arp_interval *= 2;
-		if (strip_info->arp_interval > MaxARPInterval)
-			strip_info->arp_interval = MaxARPInterval;
-		if (addr)
-			arp_send(ARPOP_REPLY, ETH_P_ARP, addr,	/* Target address of ARP packet is our address */
-				 strip_info->dev,	/* Device to send packet on */
-				 addr,	/* Source IP address this ARP packet comes from */
-				 NULL,	/* Destination HW address is NULL (broadcast it) */
-				 strip_info->dev->dev_addr,	/* Source HW address is our HW address */
-				 strip_info->dev->dev_addr);	/* Target HW address is our HW address (redundant) */
-	}
-
-	/*
-	 * 7. All ready. Start the transmission
-	 */
-	strip_write_some_more(strip_info->tty);
-}
-
-/* Encapsulate a datagram and kick it into a TTY queue. */
-static netdev_tx_t strip_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct strip *strip_info = netdev_priv(dev);
-
-	if (!netif_running(dev)) {
-		printk(KERN_ERR "%s: xmit call when iface is down\n",
-		       dev->name);
-		return NETDEV_TX_BUSY;
-	}
-
-	netif_stop_queue(dev);
-
-	del_timer(&strip_info->idle_timer);
-
-
-	if (time_after(jiffies, strip_info->pps_timer + HZ)) {
-		unsigned long t = jiffies - strip_info->pps_timer;
-		unsigned long rx_pps_count =
-			DIV_ROUND_CLOSEST(strip_info->rx_pps_count*HZ*8, t);
-		unsigned long tx_pps_count =
-			DIV_ROUND_CLOSEST(strip_info->tx_pps_count*HZ*8, t);
-		unsigned long sx_pps_count =
-			DIV_ROUND_CLOSEST(strip_info->sx_pps_count*HZ*8, t);
-
-		strip_info->pps_timer = jiffies;
-		strip_info->rx_pps_count = 0;
-		strip_info->tx_pps_count = 0;
-		strip_info->sx_pps_count = 0;
-
-		strip_info->rx_average_pps = (strip_info->rx_average_pps + rx_pps_count + 1) / 2;
-		strip_info->tx_average_pps = (strip_info->tx_average_pps + tx_pps_count + 1) / 2;
-		strip_info->sx_average_pps = (strip_info->sx_average_pps + sx_pps_count + 1) / 2;
-
-		if (rx_pps_count / 8 >= 10)
-			printk(KERN_INFO "%s: WARNING: Receiving %ld packets per second.\n",
-			       strip_info->dev->name, rx_pps_count / 8);
-		if (tx_pps_count / 8 >= 10)
-			printk(KERN_INFO "%s: WARNING: Tx        %ld packets per second.\n",
-			       strip_info->dev->name, tx_pps_count / 8);
-		if (sx_pps_count / 8 >= 10)
-			printk(KERN_INFO "%s: WARNING: Sending   %ld packets per second.\n",
-			       strip_info->dev->name, sx_pps_count / 8);
-	}
-
-	spin_lock_bh(&strip_lock);
-
-	strip_send(strip_info, skb);
-
-	spin_unlock_bh(&strip_lock);
-
-	if (skb)
-		dev_kfree_skb(skb);
-	return NETDEV_TX_OK;
-}
-
-/*
- * IdleTask periodically calls strip_xmit, so even when we have no IP packets
- * to send for an extended period of time, the watchdog processing still gets
- * done to ensure that the radio stays in Starmode
- */
-
-static void strip_IdleTask(unsigned long parameter)
-{
-	strip_xmit(NULL, (struct net_device *) parameter);
-}
-
-/*
- * Create the MAC header for an arbitrary protocol layer
- *
- * saddr!=NULL        means use this specific address (n/a for Metricom)
- * saddr==NULL        means use default device source address
- * daddr!=NULL        means use this destination address
- * daddr==NULL        means leave destination address alone
- *                 (e.g. unresolved arp -- kernel will call
- *                 rebuild_header later to fill in the address)
- */
-
-static int strip_header(struct sk_buff *skb, struct net_device *dev,
-			unsigned short type, const void *daddr,
-			const void *saddr, unsigned len)
-{
-	struct strip *strip_info = netdev_priv(dev);
-	STRIP_Header *header = (STRIP_Header *) skb_push(skb, sizeof(STRIP_Header));
-
-	/*printk(KERN_INFO "%s: strip_header 0x%04X %s\n", dev->name, type,
-	   type == ETH_P_IP ? "IP" : type == ETH_P_ARP ? "ARP" : ""); */
-
-	header->src_addr = strip_info->true_dev_addr;
-	header->protocol = htons(type);
-
-	/*HexDump("strip_header", netdev_priv(dev), skb->data, skb->data + skb->len); */
-
-	if (!daddr)
-		return (-dev->hard_header_len);
-
-	header->dst_addr = *(MetricomAddress *) daddr;
-	return (dev->hard_header_len);
-}
-
-/*
- * Rebuild the MAC header. This is called after an ARP
- * (or in future other address resolution) has completed on this
- * sk_buff. We now let ARP fill in the other fields.
- * I think this should return zero if packet is ready to send,
- * or non-zero if it needs more time to do an address lookup
- */
-
-static int strip_rebuild_header(struct sk_buff *skb)
-{
-#ifdef CONFIG_INET
-	STRIP_Header *header = (STRIP_Header *) skb->data;
-
-	/* Arp find returns zero if if knows the address, */
-	/* or if it doesn't know the address it sends an ARP packet and returns non-zero */
-	return arp_find(header->dst_addr.c, skb) ? 1 : 0;
-#else
-	return 0;
-#endif
-}
-
-
-/************************************************************************/
-/* Receiving routines							*/
-
-/*
- * This function parses the response to the ATS300? command,
- * extracting the radio version and serial number.
- */
-static void get_radio_version(struct strip *strip_info, __u8 * ptr, __u8 * end)
-{
-	__u8 *p, *value_begin, *value_end;
-	int len;
-
-	/* Determine the beginning of the second line of the payload */
-	p = ptr;
-	while (p < end && *p != 10)
-		p++;
-	if (p >= end)
-		return;
-	p++;
-	value_begin = p;
-
-	/* Determine the end of line */
-	while (p < end && *p != 10)
-		p++;
-	if (p >= end)
-		return;
-	value_end = p;
-	p++;
-
-	len = value_end - value_begin;
-	len = min_t(int, len, sizeof(FirmwareVersion) - 1);
-	if (strip_info->firmware_version.c[0] == 0)
-		printk(KERN_INFO "%s: Radio Firmware: %.*s\n",
-		       strip_info->dev->name, len, value_begin);
-	sprintf(strip_info->firmware_version.c, "%.*s", len, value_begin);
-
-	/* Look for the first colon */
-	while (p < end && *p != ':')
-		p++;
-	if (p >= end)
-		return;
-	/* Skip over the space */
-	p += 2;
-	len = sizeof(SerialNumber) - 1;
-	if (p + len <= end) {
-		sprintf(strip_info->serial_number.c, "%.*s", len, p);
-	} else {
-		printk(KERN_DEBUG
-		       "STRIP: radio serial number shorter (%zd) than expected (%d)\n",
-		       end - p, len);
-	}
-}
-
-/*
- * This function parses the response to the ATS325? command,
- * extracting the radio battery voltage.
- */
-static void get_radio_voltage(struct strip *strip_info, __u8 * ptr, __u8 * end)
-{
-	int len;
-
-	len = sizeof(BatteryVoltage) - 1;
-	if (ptr + len <= end) {
-		sprintf(strip_info->battery_voltage.c, "%.*s", len, ptr);
-	} else {
-		printk(KERN_DEBUG
-		       "STRIP: radio voltage string shorter (%zd) than expected (%d)\n",
-		       end - ptr, len);
-	}
-}
-
-/*
- * This function parses the responses to the AT~LA and ATS311 commands,
- * which list the radio's neighbours.
- */
-static void get_radio_neighbours(MetricomNodeTable * table, __u8 * ptr, __u8 * end)
-{
-	table->num_nodes = 0;
-	while (ptr < end && table->num_nodes < NODE_TABLE_SIZE) {
-		MetricomNode *node = &table->node[table->num_nodes++];
-		char *dst = node->c, *limit = dst + sizeof(*node) - 1;
-		while (ptr < end && *ptr <= 32)
-			ptr++;
-		while (ptr < end && dst < limit && *ptr != 10)
-			*dst++ = *ptr++;
-		*dst++ = 0;
-		while (ptr < end && ptr[-1] != 10)
-			ptr++;
-	}
-	do_gettimeofday(&table->timestamp);
-}
-
-static int get_radio_address(struct strip *strip_info, __u8 * p)
-{
-	MetricomAddress addr;
-
-	if (string_to_radio_address(&addr, p))
-		return (1);
-
-	/* See if our radio address has changed */
-	if (memcmp(strip_info->true_dev_addr.c, addr.c, sizeof(addr))) {
-		MetricomAddressString addr_string;
-		radio_address_to_string(&addr, &addr_string);
-		printk(KERN_INFO "%s: Radio address = %s\n",
-		       strip_info->dev->name, addr_string.c);
-		strip_info->true_dev_addr = addr;
-		if (!strip_info->manual_dev_addr)
-			*(MetricomAddress *) strip_info->dev->dev_addr =
-			    addr;
-		/* Give the radio a few seconds to get its head straight, then send an arp */
-		strip_info->gratuitous_arp = jiffies + 15 * HZ;
-		strip_info->arp_interval = 1 * HZ;
-	}
-	return (0);
-}
-
-static int verify_checksum(struct strip *strip_info)
-{
-	__u8 *p = strip_info->sx_buff;
-	__u8 *end = strip_info->sx_buff + strip_info->sx_count - 4;
-	u_short sum =
-	    (READHEX16(end[0]) << 12) | (READHEX16(end[1]) << 8) |
-	    (READHEX16(end[2]) << 4) | (READHEX16(end[3]));
-	while (p < end)
-		sum -= *p++;
-	if (sum == 0 && strip_info->firmware_level == StructuredMessages) {
-		strip_info->firmware_level = ChecksummedMessages;
-		printk(KERN_INFO "%s: Radio provides message checksums\n",
-		       strip_info->dev->name);
-	}
-	return (sum == 0);
-}
-
-static void RecvErr(char *msg, struct strip *strip_info)
-{
-	__u8 *ptr = strip_info->sx_buff;
-	__u8 *end = strip_info->sx_buff + strip_info->sx_count;
-	DumpData(msg, strip_info, ptr, end);
-	strip_info->rx_errors++;
-}
-
-static void RecvErr_Message(struct strip *strip_info, __u8 * sendername,
-			    const __u8 * msg, u_long len)
-{
-	if (has_prefix(msg, len, "001")) {	/* Not in StarMode! */
-		RecvErr("Error Msg:", strip_info);
-		printk(KERN_INFO "%s: Radio %s is not in StarMode\n",
-		       strip_info->dev->name, sendername);
-	}
-
-	else if (has_prefix(msg, len, "002")) {	/* Remap handle */
-		/* We ignore "Remap handle" messages for now */
-	}
-
-	else if (has_prefix(msg, len, "003")) {	/* Can't resolve name */
-		RecvErr("Error Msg:", strip_info);
-		printk(KERN_INFO "%s: Destination radio name is unknown\n",
-		       strip_info->dev->name);
-	}
-
-	else if (has_prefix(msg, len, "004")) {	/* Name too small or missing */
-		strip_info->watchdog_doreset = jiffies + LongTime;
-#if TICKLE_TIMERS
-		{
-			struct timeval tv;
-			do_gettimeofday(&tv);
-			printk(KERN_INFO
-			       "**** Got ERR_004 response         at %02d.%06d\n",
-			       tv.tv_sec % 100, tv.tv_usec);
-		}
-#endif
-		if (!strip_info->working) {
-			strip_info->working = TRUE;
-			printk(KERN_INFO "%s: Radio now in starmode\n",
-			       strip_info->dev->name);
-			/*
-			 * If the radio has just entered a working state, we should do our first
-			 * probe ASAP, so that we find out our radio address etc. without delay.
-			 */
-			strip_info->watchdog_doprobe = jiffies;
-		}
-		if (strip_info->firmware_level == NoStructure && sendername) {
-			strip_info->firmware_level = StructuredMessages;
-			strip_info->next_command = 0;	/* Try to enable checksums ASAP */
-			printk(KERN_INFO
-			       "%s: Radio provides structured messages\n",
-			       strip_info->dev->name);
-		}
-		if (strip_info->firmware_level >= StructuredMessages) {
-			/*
-			 * If this message has a valid checksum on the end, then the call to verify_checksum
-			 * will elevate the firmware_level to ChecksummedMessages for us. (The actual return
-			 * code from verify_checksum is ignored here.)
-			 */
-			verify_checksum(strip_info);
-			/*
-			 * If the radio has structured messages but we don't yet have all our information about it,
-			 * we should do probes without delay, until we have gathered all the information
-			 */
-			if (!GOT_ALL_RADIO_INFO(strip_info))
-				strip_info->watchdog_doprobe = jiffies;
-		}
-	}
-
-	else if (has_prefix(msg, len, "005"))	/* Bad count specification */
-		RecvErr("Error Msg:", strip_info);
-
-	else if (has_prefix(msg, len, "006"))	/* Header too big */
-		RecvErr("Error Msg:", strip_info);
-
-	else if (has_prefix(msg, len, "007")) {	/* Body too big */
-		RecvErr("Error Msg:", strip_info);
-		printk(KERN_ERR
-		       "%s: Error! Packet size too big for radio.\n",
-		       strip_info->dev->name);
-	}
-
-	else if (has_prefix(msg, len, "008")) {	/* Bad character in name */
-		RecvErr("Error Msg:", strip_info);
-		printk(KERN_ERR
-		       "%s: Radio name contains illegal character\n",
-		       strip_info->dev->name);
-	}
-
-	else if (has_prefix(msg, len, "009"))	/* No count or line terminator */
-		RecvErr("Error Msg:", strip_info);
-
-	else if (has_prefix(msg, len, "010"))	/* Invalid checksum */
-		RecvErr("Error Msg:", strip_info);
-
-	else if (has_prefix(msg, len, "011"))	/* Checksum didn't match */
-		RecvErr("Error Msg:", strip_info);
-
-	else if (has_prefix(msg, len, "012"))	/* Failed to transmit packet */
-		RecvErr("Error Msg:", strip_info);
-
-	else
-		RecvErr("Error Msg:", strip_info);
-}
-
-static void process_AT_response(struct strip *strip_info, __u8 * ptr,
-				__u8 * end)
-{
-	u_long len;
-	__u8 *p = ptr;
-	while (p < end && p[-1] != 10)
-		p++;		/* Skip past first newline character */
-	/* Now ptr points to the AT command, and p points to the text of the response. */
-	len = p - ptr;
-
-#if TICKLE_TIMERS
-	{
-		struct timeval tv;
-		do_gettimeofday(&tv);
-		printk(KERN_INFO "**** Got AT response %.7s      at %02d.%06d\n",
-		       ptr, tv.tv_sec % 100, tv.tv_usec);
-	}
-#endif
-
-	if (has_prefix(ptr, len, "ATS300?"))
-		get_radio_version(strip_info, p, end);
-	else if (has_prefix(ptr, len, "ATS305?"))
-		get_radio_address(strip_info, p);
-	else if (has_prefix(ptr, len, "ATS311?"))
-		get_radio_neighbours(&strip_info->poletops, p, end);
-	else if (has_prefix(ptr, len, "ATS319=7"))
-		verify_checksum(strip_info);
-	else if (has_prefix(ptr, len, "ATS325?"))
-		get_radio_voltage(strip_info, p, end);
-	else if (has_prefix(ptr, len, "AT~LA"))
-		get_radio_neighbours(&strip_info->portables, p, end);
-	else
-		RecvErr("Unknown AT Response:", strip_info);
-}
-
-static void process_ACK(struct strip *strip_info, __u8 * ptr, __u8 * end)
-{
-	/* Currently we don't do anything with ACKs from the radio */
-}
-
-static void process_Info(struct strip *strip_info, __u8 * ptr, __u8 * end)
-{
-	if (ptr + 16 > end)
-		RecvErr("Bad Info Msg:", strip_info);
-}
-
-static struct net_device *get_strip_dev(struct strip *strip_info)
-{
-	/* If our hardware address is *manually set* to zero, and we know our */
-	/* real radio hardware address, try to find another strip device that has been */
-	/* manually set to that address that we can 'transfer ownership' of this packet to  */
-	if (strip_info->manual_dev_addr &&
-	    !memcmp(strip_info->dev->dev_addr, zero_address.c,
-		    sizeof(zero_address))
-	    && memcmp(&strip_info->true_dev_addr, zero_address.c,
-		      sizeof(zero_address))) {
-		struct net_device *dev;
-		read_lock_bh(&dev_base_lock);
-		for_each_netdev(&init_net, dev) {
-			if (dev->type == strip_info->dev->type &&
-			    !memcmp(dev->dev_addr,
-				    &strip_info->true_dev_addr,
-				    sizeof(MetricomAddress))) {
-				printk(KERN_INFO
-				       "%s: Transferred packet ownership to %s.\n",
-				       strip_info->dev->name, dev->name);
-				read_unlock_bh(&dev_base_lock);
-				return (dev);
-			}
-		}
-		read_unlock_bh(&dev_base_lock);
-	}
-	return (strip_info->dev);
-}
-
-/*
- * Send one completely decapsulated datagram to the next layer.
- */
-
-static void deliver_packet(struct strip *strip_info, STRIP_Header * header,
-			   __u16 packetlen)
-{
-	struct sk_buff *skb = dev_alloc_skb(sizeof(STRIP_Header) + packetlen);
-	if (!skb) {
-		printk(KERN_ERR "%s: memory squeeze, dropping packet.\n",
-		       strip_info->dev->name);
-		strip_info->rx_dropped++;
-	} else {
-		memcpy(skb_put(skb, sizeof(STRIP_Header)), header,
-		       sizeof(STRIP_Header));
-		memcpy(skb_put(skb, packetlen), strip_info->rx_buff,
-		       packetlen);
-		skb->dev = get_strip_dev(strip_info);
-		skb->protocol = header->protocol;
-		skb_reset_mac_header(skb);
-
-		/* Having put a fake header on the front of the sk_buff for the */
-		/* benefit of tools like tcpdump, skb_pull now 'consumes' that  */
-		/* fake header before we hand the packet up to the next layer.  */
-		skb_pull(skb, sizeof(STRIP_Header));
-
-		/* Finally, hand the packet up to the next layer (e.g. IP or ARP, etc.) */
-		strip_info->rx_packets++;
-		strip_info->rx_pps_count++;
-#ifdef EXT_COUNTERS
-		strip_info->rx_bytes += packetlen;
-#endif
-		netif_rx(skb);
-	}
-}
-
-static void process_IP_packet(struct strip *strip_info,
-			      STRIP_Header * header, __u8 * ptr,
-			      __u8 * end)
-{
-	__u16 packetlen;
-
-	/* Decode start of the IP packet header */
-	ptr = UnStuffData(ptr, end, strip_info->rx_buff, 4);
-	if (!ptr) {
-		RecvErr("IP Packet too short", strip_info);
-		return;
-	}
-
-	packetlen = ((__u16) strip_info->rx_buff[2] << 8) | strip_info->rx_buff[3];
-
-	if (packetlen > MAX_RECV_MTU) {
-		printk(KERN_INFO "%s: Dropping oversized received IP packet: %d bytes\n",
-		       strip_info->dev->name, packetlen);
-		strip_info->rx_dropped++;
-		return;
-	}
-
-	/*printk(KERN_INFO "%s: Got %d byte IP packet\n", strip_info->dev->name, packetlen); */
-
-	/* Decode remainder of the IP packet */
-	ptr =
-	    UnStuffData(ptr, end, strip_info->rx_buff + 4, packetlen - 4);
-	if (!ptr) {
-		RecvErr("IP Packet too short", strip_info);
-		return;
-	}
-
-	if (ptr < end) {
-		RecvErr("IP Packet too long", strip_info);
-		return;
-	}
-
-	header->protocol = htons(ETH_P_IP);
-
-	deliver_packet(strip_info, header, packetlen);
-}
-
-static void process_ARP_packet(struct strip *strip_info,
-			       STRIP_Header * header, __u8 * ptr,
-			       __u8 * end)
-{
-	__u16 packetlen;
-	struct arphdr *arphdr = (struct arphdr *) strip_info->rx_buff;
-
-	/* Decode start of the ARP packet */
-	ptr = UnStuffData(ptr, end, strip_info->rx_buff, 8);
-	if (!ptr) {
-		RecvErr("ARP Packet too short", strip_info);
-		return;
-	}
-
-	packetlen = 8 + (arphdr->ar_hln + arphdr->ar_pln) * 2;
-
-	if (packetlen > MAX_RECV_MTU) {
-		printk(KERN_INFO
-		       "%s: Dropping oversized received ARP packet: %d bytes\n",
-		       strip_info->dev->name, packetlen);
-		strip_info->rx_dropped++;
-		return;
-	}
-
-	/*printk(KERN_INFO "%s: Got %d byte ARP %s\n",
-	   strip_info->dev->name, packetlen,
-	   ntohs(arphdr->ar_op) == ARPOP_REQUEST ? "request" : "reply"); */
-
-	/* Decode remainder of the ARP packet */
-	ptr =
-	    UnStuffData(ptr, end, strip_info->rx_buff + 8, packetlen - 8);
-	if (!ptr) {
-		RecvErr("ARP Packet too short", strip_info);
-		return;
-	}
-
-	if (ptr < end) {
-		RecvErr("ARP Packet too long", strip_info);
-		return;
-	}
-
-	header->protocol = htons(ETH_P_ARP);
-
-	deliver_packet(strip_info, header, packetlen);
-}
-
-/*
- * process_text_message processes a <CR>-terminated block of data received
- * from the radio that doesn't begin with a '*' character. All normal
- * Starmode communication messages with the radio begin with a '*',
- * so any text that does not indicates a serial port error, a radio that
- * is in Hayes command mode instead of Starmode, or a radio with really
- * old firmware that doesn't frame its Starmode responses properly.
- */
-static void process_text_message(struct strip *strip_info)
-{
-	__u8 *msg = strip_info->sx_buff;
-	int len = strip_info->sx_count;
-
-	/* Check for anything that looks like it might be our radio name */
-	/* (This is here for backwards compatibility with old firmware)  */
-	if (len == 9 && get_radio_address(strip_info, msg) == 0)
-		return;
-
-	if (text_equal(msg, len, "OK"))
-		return;		/* Ignore 'OK' responses from prior commands */
-	if (text_equal(msg, len, "ERROR"))
-		return;		/* Ignore 'ERROR' messages */
-	if (has_prefix(msg, len, "ate0q1"))
-		return;		/* Ignore character echo back from the radio */
-
-	/* Catch other error messages */
-	/* (This is here for backwards compatibility with old firmware) */
-	if (has_prefix(msg, len, "ERR_")) {
-		RecvErr_Message(strip_info, NULL, &msg[4], len - 4);
-		return;
-	}
-
-	RecvErr("No initial *", strip_info);
-}
-
-/*
- * process_message processes a <CR>-terminated block of data received
- * from the radio. If the radio is not in Starmode or has old firmware,
- * it may be a line of text in response to an AT command. Ideally, with
- * a current radio that's properly in Starmode, all data received should
- * be properly framed and checksummed radio message blocks, containing
- * either a starmode packet, or a other communication from the radio
- * firmware, like "INF_" Info messages and &COMMAND responses.
- */
-static void process_message(struct strip *strip_info)
-{
-	STRIP_Header header = { zero_address, zero_address, 0 };
-	__u8 *ptr = strip_info->sx_buff;
-	__u8 *end = strip_info->sx_buff + strip_info->sx_count;
-	__u8 sendername[32], *sptr = sendername;
-	MetricomKey key;
-
-	/*HexDump("Receiving", strip_info, ptr, end); */
-
-	/* Check for start of address marker, and then skip over it */
-	if (*ptr == '*')
-		ptr++;
-	else {
-		process_text_message(strip_info);
-		return;
-	}
-
-	/* Copy out the return address */
-	while (ptr < end && *ptr != '*'
-	       && sptr < ARRAY_END(sendername) - 1)
-		*sptr++ = *ptr++;
-	*sptr = 0;		/* Null terminate the sender name */
-
-	/* Check for end of address marker, and skip over it */
-	if (ptr >= end || *ptr != '*') {
-		RecvErr("No second *", strip_info);
-		return;
-	}
-	ptr++;			/* Skip the second '*' */
-
-	/* If the sender name is "&COMMAND", ignore this 'packet'       */
-	/* (This is here for backwards compatibility with old firmware) */
-	if (!strcmp(sendername, "&COMMAND")) {
-		strip_info->firmware_level = NoStructure;
-		strip_info->next_command = CompatibilityCommand;
-		return;
-	}
-
-	if (ptr + 4 > end) {
-		RecvErr("No proto key", strip_info);
-		return;
-	}
-
-	/* Get the protocol key out of the buffer */
-	key.c[0] = *ptr++;
-	key.c[1] = *ptr++;
-	key.c[2] = *ptr++;
-	key.c[3] = *ptr++;
-
-	/* If we're using checksums, verify the checksum at the end of the packet */
-	if (strip_info->firmware_level >= ChecksummedMessages) {
-		end -= 4;	/* Chop the last four bytes off the packet (they're the checksum) */
-		if (ptr > end) {
-			RecvErr("Missing Checksum", strip_info);
-			return;
-		}
-		if (!verify_checksum(strip_info)) {
-			RecvErr("Bad Checksum", strip_info);
-			return;
-		}
-	}
-
-	/*printk(KERN_INFO "%s: Got packet from \"%s\".\n", strip_info->dev->name, sendername); */
-
-	/*
-	 * Fill in (pseudo) source and destination addresses in the packet.
-	 * We assume that the destination address was our address (the radio does not
-	 * tell us this). If the radio supplies a source address, then we use it.
-	 */
-	header.dst_addr = strip_info->true_dev_addr;
-	string_to_radio_address(&header.src_addr, sendername);
-
-#ifdef EXT_COUNTERS
-	if (key.l == SIP0Key.l) {
-		strip_info->rx_rbytes += (end - ptr);
-		process_IP_packet(strip_info, &header, ptr, end);
-	} else if (key.l == ARP0Key.l) {
-		strip_info->rx_rbytes += (end - ptr);
-		process_ARP_packet(strip_info, &header, ptr, end);
-	} else if (key.l == ATR_Key.l) {
-		strip_info->rx_ebytes += (end - ptr);
-		process_AT_response(strip_info, ptr, end);
-	} else if (key.l == ACK_Key.l) {
-		strip_info->rx_ebytes += (end - ptr);
-		process_ACK(strip_info, ptr, end);
-	} else if (key.l == INF_Key.l) {
-		strip_info->rx_ebytes += (end - ptr);
-		process_Info(strip_info, ptr, end);
-	} else if (key.l == ERR_Key.l) {
-		strip_info->rx_ebytes += (end - ptr);
-		RecvErr_Message(strip_info, sendername, ptr, end - ptr);
-	} else
-		RecvErr("Unrecognized protocol key", strip_info);
-#else
-	if (key.l == SIP0Key.l)
-		process_IP_packet(strip_info, &header, ptr, end);
-	else if (key.l == ARP0Key.l)
-		process_ARP_packet(strip_info, &header, ptr, end);
-	else if (key.l == ATR_Key.l)
-		process_AT_response(strip_info, ptr, end);
-	else if (key.l == ACK_Key.l)
-		process_ACK(strip_info, ptr, end);
-	else if (key.l == INF_Key.l)
-		process_Info(strip_info, ptr, end);
-	else if (key.l == ERR_Key.l)
-		RecvErr_Message(strip_info, sendername, ptr, end - ptr);
-	else
-		RecvErr("Unrecognized protocol key", strip_info);
-#endif
-}
-
-#define TTYERROR(X) ((X) == TTY_BREAK   ? "Break"            : \
-                     (X) == TTY_FRAME   ? "Framing Error"    : \
-                     (X) == TTY_PARITY  ? "Parity Error"     : \
-                     (X) == TTY_OVERRUN ? "Hardware Overrun" : "Unknown Error")
-
-/*
- * Handle the 'receiver data ready' interrupt.
- * This function is called by the 'tty_io' module in the kernel when
- * a block of STRIP data has been received, which can now be decapsulated
- * and sent on to some IP layer for further processing.
- */
-
-static void strip_receive_buf(struct tty_struct *tty, const unsigned char *cp,
-		  char *fp, int count)
-{
-	struct strip *strip_info = tty->disc_data;
-	const unsigned char *end = cp + count;
-
-	if (!strip_info || strip_info->magic != STRIP_MAGIC
-	    || !netif_running(strip_info->dev))
-		return;
-
-	spin_lock_bh(&strip_lock);
-#if 0
-	{
-		struct timeval tv;
-		do_gettimeofday(&tv);
-		printk(KERN_INFO
-		       "**** strip_receive_buf: %3d bytes at %02d.%06d\n",
-		       count, tv.tv_sec % 100, tv.tv_usec);
-	}
-#endif
-
-#ifdef EXT_COUNTERS
-	strip_info->rx_sbytes += count;
-#endif
-
-	/* Read the characters out of the buffer */
-	while (cp < end) {
-		if (fp && *fp)
-			printk(KERN_INFO "%s: %s on serial port\n",
-			       strip_info->dev->name, TTYERROR(*fp));
-		if (fp && *fp++ && !strip_info->discard) {	/* If there's a serial error, record it */
-			/* If we have some characters in the buffer, discard them */
-			strip_info->discard = strip_info->sx_count;
-			strip_info->rx_errors++;
-		}
-
-		/* Leading control characters (CR, NL, Tab, etc.) are ignored */
-		if (strip_info->sx_count > 0 || *cp >= ' ') {
-			if (*cp == 0x0D) {	/* If end of packet, decide what to do with it */
-				if (strip_info->sx_count > 3000)
-					printk(KERN_INFO
-					       "%s: Cut a %d byte packet (%zd bytes remaining)%s\n",
-					       strip_info->dev->name,
-					       strip_info->sx_count,
-					       end - cp - 1,
-					       strip_info->
-					       discard ? " (discarded)" :
-					       "");
-				if (strip_info->sx_count >
-				    strip_info->sx_size) {
-					strip_info->rx_over_errors++;
-					printk(KERN_INFO
-					       "%s: sx_buff overflow (%d bytes total)\n",
-					       strip_info->dev->name,
-					       strip_info->sx_count);
-				} else if (strip_info->discard)
-					printk(KERN_INFO
-					       "%s: Discarding bad packet (%d/%d)\n",
-					       strip_info->dev->name,
-					       strip_info->discard,
-					       strip_info->sx_count);
-				else
-					process_message(strip_info);
-				strip_info->discard = 0;
-				strip_info->sx_count = 0;
-			} else {
-				/* Make sure we have space in the buffer */
-				if (strip_info->sx_count <
-				    strip_info->sx_size)
-					strip_info->sx_buff[strip_info->
-							    sx_count] =
-					    *cp;
-				strip_info->sx_count++;
-			}
-		}
-		cp++;
-	}
-	spin_unlock_bh(&strip_lock);
-}
-
-
-/************************************************************************/
-/* General control routines						*/
-
-static int set_mac_address(struct strip *strip_info,
-			   MetricomAddress * addr)
-{
-	/*
-	 * We're using a manually specified address if the address is set
-	 * to anything other than all ones. Setting the address to all ones
-	 * disables manual mode and goes back to automatic address determination
-	 * (tracking the true address that the radio has).
-	 */
-	strip_info->manual_dev_addr =
-	    memcmp(addr->c, broadcast_address.c,
-		   sizeof(broadcast_address));
-	if (strip_info->manual_dev_addr)
-		*(MetricomAddress *) strip_info->dev->dev_addr = *addr;
-	else
-		*(MetricomAddress *) strip_info->dev->dev_addr =
-		    strip_info->true_dev_addr;
-	return 0;
-}
-
-static int strip_set_mac_address(struct net_device *dev, void *addr)
-{
-	struct strip *strip_info = netdev_priv(dev);
-	struct sockaddr *sa = addr;
-	printk(KERN_INFO "%s: strip_set_dev_mac_address called\n", dev->name);
-	set_mac_address(strip_info, (MetricomAddress *) sa->sa_data);
-	return 0;
-}
-
-static struct net_device_stats *strip_get_stats(struct net_device *dev)
-{
-	struct strip *strip_info = netdev_priv(dev);
-	static struct net_device_stats stats;
-
-	memset(&stats, 0, sizeof(struct net_device_stats));
-
-	stats.rx_packets = strip_info->rx_packets;
-	stats.tx_packets = strip_info->tx_packets;
-	stats.rx_dropped = strip_info->rx_dropped;
-	stats.tx_dropped = strip_info->tx_dropped;
-	stats.tx_errors = strip_info->tx_errors;
-	stats.rx_errors = strip_info->rx_errors;
-	stats.rx_over_errors = strip_info->rx_over_errors;
-	return (&stats);
-}
-
-
-/************************************************************************/
-/* Opening and closing							*/
-
-/*
- * Here's the order things happen:
- * When the user runs "slattach -p strip ..."
- *  1. The TTY module calls strip_open;;
- *  2. strip_open calls strip_alloc
- *  3.                  strip_alloc calls register_netdev
- *  4.                  register_netdev calls strip_dev_init
- *  5. then strip_open finishes setting up the strip_info
- *
- * When the user runs "ifconfig st<x> up address netmask ..."
- *  6. strip_open_low gets called
- *
- * When the user runs "ifconfig st<x> down"
- *  7. strip_close_low gets called
- *
- * When the user kills the slattach process
- *  8. strip_close gets called
- *  9. strip_close calls dev_close
- * 10. if the device is still up, then dev_close calls strip_close_low
- * 11. strip_close calls strip_free
- */
-
-/* Open the low-level part of the STRIP channel. Easy! */
-
-static int strip_open_low(struct net_device *dev)
-{
-	struct strip *strip_info = netdev_priv(dev);
-
-	if (strip_info->tty == NULL)
-		return (-ENODEV);
-
-	if (!allocate_buffers(strip_info, dev->mtu))
-		return (-ENOMEM);
-
-	strip_info->sx_count = 0;
-	strip_info->tx_left = 0;
-
-	strip_info->discard = 0;
-	strip_info->working = FALSE;
-	strip_info->firmware_level = NoStructure;
-	strip_info->next_command = CompatibilityCommand;
-	strip_info->user_baud = tty_get_baud_rate(strip_info->tty);
-
-	printk(KERN_INFO "%s: Initializing Radio.\n",
-	       strip_info->dev->name);
-	ResetRadio(strip_info);
-	strip_info->idle_timer.expires = jiffies + 1 * HZ;
-	add_timer(&strip_info->idle_timer);
-	netif_wake_queue(dev);
-	return (0);
-}
-
-
-/*
- * Close the low-level part of the STRIP channel. Easy!
- */
-
-static int strip_close_low(struct net_device *dev)
-{
-	struct strip *strip_info = netdev_priv(dev);
-
-	if (strip_info->tty == NULL)
-		return -EBUSY;
-	clear_bit(TTY_DO_WRITE_WAKEUP, &strip_info->tty->flags);
-	netif_stop_queue(dev);
-
-	/*
-	 * Free all STRIP frame buffers.
-	 */
-	kfree(strip_info->rx_buff);
-	strip_info->rx_buff = NULL;
-	kfree(strip_info->sx_buff);
-	strip_info->sx_buff = NULL;
-	kfree(strip_info->tx_buff);
-	strip_info->tx_buff = NULL;
-
-	del_timer(&strip_info->idle_timer);
-	return 0;
-}
-
-static const struct header_ops strip_header_ops = {
-	.create = strip_header,
-	.rebuild = strip_rebuild_header,
-};
-
-
-static const struct net_device_ops strip_netdev_ops = {
-	.ndo_open 	= strip_open_low,
-	.ndo_stop 	= strip_close_low,
-	.ndo_start_xmit = strip_xmit,
-	.ndo_set_mac_address = strip_set_mac_address,
-	.ndo_get_stats	= strip_get_stats,
-	.ndo_change_mtu = strip_change_mtu,
-};
-
-/*
- * This routine is called by DDI when the
- * (dynamically assigned) device is registered
- */
-
-static void strip_dev_setup(struct net_device *dev)
-{
-	/*
-	 * Finish setting up the DEVICE info.
-	 */
-
-	dev->trans_start = 0;
-	dev->tx_queue_len = 30;	/* Drop after 30 frames queued */
-
-	dev->flags = 0;
-	dev->mtu = DEFAULT_STRIP_MTU;
-	dev->type = ARPHRD_METRICOM;	/* dtang */
-	dev->hard_header_len = sizeof(STRIP_Header);
-	/*
-	 *  netdev_priv(dev) Already holds a pointer to our struct strip
-	 */
-
-	*(MetricomAddress *)dev->broadcast = broadcast_address;
-	dev->dev_addr[0] = 0;
-	dev->addr_len = sizeof(MetricomAddress);
-
-	dev->header_ops = &strip_header_ops,
-	dev->netdev_ops = &strip_netdev_ops;
-}
-
-/*
- * Free a STRIP channel.
- */
-
-static void strip_free(struct strip *strip_info)
-{
-	spin_lock_bh(&strip_lock);
-	list_del_rcu(&strip_info->list);
-	spin_unlock_bh(&strip_lock);
-
-	strip_info->magic = 0;
-
-	free_netdev(strip_info->dev);
-}
-
-
-/*
- * Allocate a new free STRIP channel
- */
-static struct strip *strip_alloc(void)
-{
-	struct list_head *n;
-	struct net_device *dev;
-	struct strip *strip_info;
-
-	dev = alloc_netdev(sizeof(struct strip), "st%d",
-			   strip_dev_setup);
-
-	if (!dev)
-		return NULL;	/* If no more memory, return */
-
-
-	strip_info = netdev_priv(dev);
-	strip_info->dev = dev;
-
-	strip_info->magic = STRIP_MAGIC;
-	strip_info->tty = NULL;
-
-	strip_info->gratuitous_arp = jiffies + LongTime;
-	strip_info->arp_interval = 0;
-	init_timer(&strip_info->idle_timer);
-	strip_info->idle_timer.data = (long) dev;
-	strip_info->idle_timer.function = strip_IdleTask;
-
-
-	spin_lock_bh(&strip_lock);
- rescan:
-	/*
-	 * Search the list to find where to put our new entry
-	 * (and in the process decide what channel number it is
-	 * going to be)
-	 */
-	list_for_each(n, &strip_list) {
-		struct strip *s = hlist_entry(n, struct strip, list);
-
-		if (s->dev->base_addr == dev->base_addr) {
-			++dev->base_addr;
-			goto rescan;
-		}
-	}
-
-	sprintf(dev->name, "st%ld", dev->base_addr);
-
-	list_add_tail_rcu(&strip_info->list, &strip_list);
-	spin_unlock_bh(&strip_lock);
-
-	return strip_info;
-}
-
-/*
- * Open the high-level part of the STRIP channel.
- * This function is called by the TTY module when the
- * STRIP line discipline is called for.  Because we are
- * sure the tty line exists, we only have to link it to
- * a free STRIP channel...
- */
-
-static int strip_open(struct tty_struct *tty)
-{
-	struct strip *strip_info = tty->disc_data;
-
-	/*
-	 * First make sure we're not already connected.
-	 */
-
-	if (strip_info && strip_info->magic == STRIP_MAGIC)
-		return -EEXIST;
-
-	/*
-	 * We need a write method.
-	 */
-
-	if (tty->ops->write == NULL || tty->ops->set_termios == NULL)
-		return -EOPNOTSUPP;
-
-	/*
-	 * OK.  Find a free STRIP channel to use.
-	 */
-	if ((strip_info = strip_alloc()) == NULL)
-		return -ENFILE;
-
-	/*
-	 * Register our newly created device so it can be ifconfig'd
-	 * strip_dev_init() will be called as a side-effect
-	 */
-
-	if (register_netdev(strip_info->dev) != 0) {
-		printk(KERN_ERR "strip: register_netdev() failed.\n");
-		strip_free(strip_info);
-		return -ENFILE;
-	}
-
-	strip_info->tty = tty;
-	tty->disc_data = strip_info;
-	tty->receive_room = 65536;
-
-	tty_driver_flush_buffer(tty);
-
-	/*
-	 * Restore default settings
-	 */
-
-	strip_info->dev->type = ARPHRD_METRICOM;	/* dtang */
-
-	/*
-	 * Set tty options
-	 */
-
-	tty->termios->c_iflag |= IGNBRK | IGNPAR;	/* Ignore breaks and parity errors. */
-	tty->termios->c_cflag |= CLOCAL;	/* Ignore modem control signals. */
-	tty->termios->c_cflag &= ~HUPCL;	/* Don't close on hup */
-
-	printk(KERN_INFO "STRIP: device \"%s\" activated\n",
-	       strip_info->dev->name);
-
-	/*
-	 * Done.  We have linked the TTY line to a channel.
-	 */
-	return (strip_info->dev->base_addr);
-}
-
-/*
- * Close down a STRIP channel.
- * This means flushing out any pending queues, and then restoring the
- * TTY line discipline to what it was before it got hooked to STRIP
- * (which usually is TTY again).
- */
-
-static void strip_close(struct tty_struct *tty)
-{
-	struct strip *strip_info = tty->disc_data;
-
-	/*
-	 * First make sure we're connected.
-	 */
-
-	if (!strip_info || strip_info->magic != STRIP_MAGIC)
-		return;
-
-	unregister_netdev(strip_info->dev);
-
-	tty->disc_data = NULL;
-	strip_info->tty = NULL;
-	printk(KERN_INFO "STRIP: device \"%s\" closed down\n",
-	       strip_info->dev->name);
-	strip_free(strip_info);
-	tty->disc_data = NULL;
-}
-
-
-/************************************************************************/
-/* Perform I/O control calls on an active STRIP channel.		*/
-
-static int strip_ioctl(struct tty_struct *tty, struct file *file,
-		       unsigned int cmd, unsigned long arg)
-{
-	struct strip *strip_info = tty->disc_data;
-
-	/*
-	 * First make sure we're connected.
-	 */
-
-	if (!strip_info || strip_info->magic != STRIP_MAGIC)
-		return -EINVAL;
-
-	switch (cmd) {
-	case SIOCGIFNAME:
-		if(copy_to_user((void __user *) arg, strip_info->dev->name, strlen(strip_info->dev->name) + 1))
-			return -EFAULT;
-		break;
-	case SIOCSIFHWADDR:
-	{
-		MetricomAddress addr;
-		//printk(KERN_INFO "%s: SIOCSIFHWADDR\n", strip_info->dev->name);
-		if(copy_from_user(&addr, (void __user *) arg, sizeof(MetricomAddress)))
-			return -EFAULT;
-		return set_mac_address(strip_info, &addr);
-	}
-	default:
-		return tty_mode_ioctl(tty, file, cmd, arg);
-		break;
-	}
-	return 0;
-}
-
-#ifdef CONFIG_COMPAT
-static long strip_compat_ioctl(struct tty_struct *tty, struct file *file,
-		       unsigned int cmd, unsigned long arg)
-{
-	switch (cmd) {
-	case SIOCGIFNAME:
-	case SIOCSIFHWADDR:
-		return strip_ioctl(tty, file, cmd,
-			(unsigned long)compat_ptr(arg));
-	}
-	return -ENOIOCTLCMD;
-}
-#endif
-
-/************************************************************************/
-/* Initialization							*/
-
-static struct tty_ldisc_ops strip_ldisc = {
-	.magic = TTY_LDISC_MAGIC,
-	.name = "strip",
-	.owner = THIS_MODULE,
-	.open = strip_open,
-	.close = strip_close,
-	.ioctl = strip_ioctl,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl = strip_compat_ioctl,
-#endif
-	.receive_buf = strip_receive_buf,
-	.write_wakeup = strip_write_some_more,
-};
-
-/*
- * Initialize the STRIP driver.
- * This routine is called at boot time, to bootstrap the multi-channel
- * STRIP driver
- */
-
-static char signon[] __initdata =
-    KERN_INFO "STRIP: Version %s (unlimited channels)\n";
-
-static int __init strip_init_driver(void)
-{
-	int status;
-
-	printk(signon, StripVersion);
-
-	
-	/*
-	 * Fill in our line protocol discipline, and register it
-	 */
-	if ((status = tty_register_ldisc(N_STRIP, &strip_ldisc)))
-		printk(KERN_ERR "STRIP: can't register line discipline (err = %d)\n",
-		       status);
-
-	/*
-	 * Register the status file with /proc
-	 */
-	proc_net_fops_create(&init_net, "strip", S_IFREG | S_IRUGO, &strip_seq_fops);
-
-	return status;
-}
-
-module_init(strip_init_driver);
-
-static const char signoff[] __exitdata =
-    KERN_INFO "STRIP: Module Unloaded\n";
-
-static void __exit strip_exit_driver(void)
-{
-	int i;
-	struct list_head *p,*n;
-
-	/* module ref count rules assure that all entries are unregistered */
-	list_for_each_safe(p, n, &strip_list) {
-		struct strip *s = list_entry(p, struct strip, list);
-		strip_free(s);
-	}
-
-	/* Unregister with the /proc/net file here. */
-	proc_net_remove(&init_net, "strip");
-
-	if ((i = tty_unregister_ldisc(N_STRIP)))
-		printk(KERN_ERR "STRIP: can't unregister line discipline (err = %d)\n", i);
-
-	printk(signoff);
-}
-
-module_exit(strip_exit_driver);
-
-MODULE_AUTHOR("Stuart Cheshire <cheshire@cs.stanford.edu>");
-MODULE_DESCRIPTION("Starmode Radio IP (STRIP) Device Driver");
-MODULE_LICENSE("Dual BSD/GPL");
-
-MODULE_SUPPORTED_DEVICE("Starmode Radio IP (STRIP) modem");

From 1d794e3b353b50ab5d9d46f7c15607f9ec8c78e0 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 23:16:09 -0700
Subject: [PATCH 1253/3638] Staging: wavelan: delete the driver

It has sat in the staging directory since October of 2009, and no one
has stepped up to take it over, so odds are, no one cares about it
anymore.  So, it is now deleted as scheduled, and documented in the TODO
file.

Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                |    2 -
 drivers/staging/Makefile               |    2 -
 drivers/staging/wavelan/Kconfig        |   38 -
 drivers/staging/wavelan/Makefile       |    2 -
 drivers/staging/wavelan/TODO           |    7 -
 drivers/staging/wavelan/i82586.h       |  397 --
 drivers/staging/wavelan/wavelan.c      | 4401 ----------------------
 drivers/staging/wavelan/wavelan.h      |  363 --
 drivers/staging/wavelan/wavelan.p.h    |  694 ----
 drivers/staging/wavelan/wavelan_cs.c   | 4610 ------------------------
 drivers/staging/wavelan/wavelan_cs.h   |  381 --
 drivers/staging/wavelan/wavelan_cs.p.h |  762 ----
 12 files changed, 11659 deletions(-)
 delete mode 100644 drivers/staging/wavelan/Kconfig
 delete mode 100644 drivers/staging/wavelan/Makefile
 delete mode 100644 drivers/staging/wavelan/TODO
 delete mode 100644 drivers/staging/wavelan/i82586.h
 delete mode 100644 drivers/staging/wavelan/wavelan.c
 delete mode 100644 drivers/staging/wavelan/wavelan.h
 delete mode 100644 drivers/staging/wavelan/wavelan.p.h
 delete mode 100644 drivers/staging/wavelan/wavelan_cs.c
 delete mode 100644 drivers/staging/wavelan/wavelan_cs.h
 delete mode 100644 drivers/staging/wavelan/wavelan_cs.p.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 4ca05017c1a..436e2ed0799 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -125,8 +125,6 @@ source "drivers/staging/batman-adv/Kconfig"
 
 source "drivers/staging/samsung-laptop/Kconfig"
 
-source "drivers/staging/wavelan/Kconfig"
-
 source "drivers/staging/netwave/Kconfig"
 
 source "drivers/staging/sm7xx/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index e308274bb14..357da6de3f1 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -43,8 +43,6 @@ obj-$(CONFIG_WLAGS49_H2)	+= wlags49_h2/
 obj-$(CONFIG_WLAGS49_H25)	+= wlags49_h25/
 obj-$(CONFIG_BATMAN_ADV)	+= batman-adv/
 obj-$(CONFIG_SAMSUNG_LAPTOP)	+= samsung-laptop/
-obj-$(CONFIG_WAVELAN)		+= wavelan/
-obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan/
 obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave/
 obj-$(CONFIG_FB_SM7XX)		+= sm7xx/
 obj-$(CONFIG_DT3155)		+= dt3155/
diff --git a/drivers/staging/wavelan/Kconfig b/drivers/staging/wavelan/Kconfig
deleted file mode 100644
index af655668c2a..00000000000
--- a/drivers/staging/wavelan/Kconfig
+++ /dev/null
@@ -1,38 +0,0 @@
-config WAVELAN
-	tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
-	depends on ISA && WLAN
-	select WIRELESS_EXT
-	select WEXT_SPY
-	select WEXT_PRIV
-	---help---
-	  The Lucent WaveLAN (formerly NCR and AT&T; or DEC RoamAbout DS) is
-	  a Radio LAN (wireless Ethernet-like Local Area Network) using the
-	  radio frequencies 900 MHz and 2.4 GHz.
-
-	  If you want to use an ISA WaveLAN card under Linux, say Y and read
-	  the Ethernet-HOWTO, available from
-	  <http://www.tldp.org/docs.html#howto>. Some more specific
-	  information is contained in
-	  <file:Documentation/networking/wavelan.txt> and in the source code
-	  <file:drivers/net/wireless/wavelan.p.h>.
-
-	  You will also need the wireless tools package available from
-	  <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>.
-	  Please read the man pages contained therein.
-
-	  To compile this driver as a module, choose M here: the module will be
-	  called wavelan.
-
-config PCMCIA_WAVELAN
-	tristate "AT&T/Lucent old WaveLAN Pcmcia wireless support"
-	depends on PCMCIA && WLAN
-	select WIRELESS_EXT
-	select WEXT_SPY
-	select WEXT_PRIV
-	help
-	  Say Y here if you intend to attach an AT&T/Lucent Wavelan PCMCIA
-	  (PC-card) wireless Ethernet networking card to your computer.  This
-	  driver is for the non-IEEE-802.11 Wavelan cards.
-
-	  To compile this driver as a module, choose M here: the module will be
-	  called wavelan_cs.  If unsure, say N.
diff --git a/drivers/staging/wavelan/Makefile b/drivers/staging/wavelan/Makefile
deleted file mode 100644
index 1cde17c69a4..00000000000
--- a/drivers/staging/wavelan/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-obj-$(CONFIG_WAVELAN)		+= wavelan.o
-obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan_cs.o
diff --git a/drivers/staging/wavelan/TODO b/drivers/staging/wavelan/TODO
deleted file mode 100644
index 9bd15a2f6d9..00000000000
--- a/drivers/staging/wavelan/TODO
+++ /dev/null
@@ -1,7 +0,0 @@
-TODO:
-	- step up and maintain this driver to ensure that it continues
-	  to work.  Having the hardware for this is pretty much a
-	  requirement.  If this does not happen, the will be removed in
-	  the 2.6.35 kernel release.
-
-Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
diff --git a/drivers/staging/wavelan/i82586.h b/drivers/staging/wavelan/i82586.h
deleted file mode 100644
index 27f83249813..00000000000
--- a/drivers/staging/wavelan/i82586.h
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * Intel 82586 IEEE 802.3 Ethernet LAN Coprocessor.
- *
- * See:
- *	Intel Microcommunications 1991
- *	p1-1 to p1-37
- *	Intel order No. 231658
- *	ISBN 1-55512-119-5
- *
- *     Unfortunately, the above chapter mentions neither
- * the System Configuration Pointer (SCP) nor the
- * Intermediate System Configuration Pointer (ISCP),
- * so we probably need to look elsewhere for the
- * whole story -- some recommend the "Intel LAN
- * Components manual" but I have neither a copy
- * nor a full reference.  But "elsewhere" may be
- * in the same publication...
- *     The description of a later device, the
- * "82596CA High-Performance 32-Bit Local Area Network
- * Coprocessor", (ibid. p1-38 to p1-109) does mention
- * the SCP and ISCP and also has an i82586 compatibility
- * mode.  Even more useful is "AP-235 An 82586 Data Link
- * Driver" (ibid. p1-337 to p1-417).
- */
-
-#define	I82586_MEMZ	(64 * 1024)
-
-#define	I82586_SCP_ADDR	(I82586_MEMZ - sizeof(scp_t))
-
-#define	ADDR_LEN	6
-#define	I82586NULL	0xFFFF
-
-#define	toff(t, p, f) 	(unsigned short)((void *)(&((t *)((void *)0 + (p)))->f) - (void *)0)
-
-/*
- * System Configuration Pointer (SCP).
- */
-typedef struct scp_t	scp_t;
-struct scp_t {
-	unsigned short	scp_sysbus;	/* 82586 bus width:	*/
-#define		SCP_SY_16BBUS	(0x0 << 0)	/* 16 bits */
-#define		SCP_SY_8BBUS	(0x1 << 0)	/*  8 bits. */
-	unsigned short	scp_junk[2];	/* Unused */
-	unsigned short	scp_iscpl;	/* lower 16 bits of ISCP_ADDR */
-	unsigned short	scp_iscph;	/* upper 16 bits of ISCP_ADDR */
-};
-
-/*
- * Intermediate System Configuration Pointer (ISCP).
- */
-typedef struct iscp_t	iscp_t;
-struct iscp_t {
-	unsigned short	iscp_busy;	/* set by CPU before first CA,	*/
-					/* cleared by 82586 after read.	*/
-	unsigned short	iscp_offset;	/* offset of SCB		*/
-	unsigned short	iscp_basel;	/* base of SCB			*/
-	unsigned short	iscp_baseh;	/*  "				*/
-};
-
-/*
- * System Control Block (SCB).
- *	The 82586 writes its status to scb_status and then
- *	raises an interrupt to alert the CPU.
- *	The CPU writes a command to scb_command and
- *	then issues a Channel Attention (CA) to alert the 82586.
- */
-typedef struct scb_t	scb_t;
-struct scb_t {
-	unsigned short	scb_status;	/* Status of 82586		*/
-#define		SCB_ST_INT	(0xF << 12)	/* Some of:		*/
-#define		SCB_ST_CX	(0x1 << 15)	/* Cmd completed	*/
-#define		SCB_ST_FR	(0x1 << 14)	/* Frame received	*/
-#define		SCB_ST_CNA	(0x1 << 13)	/* Cmd unit not active	*/
-#define		SCB_ST_RNR	(0x1 << 12)	/* Rcv unit not ready	*/
-#define		SCB_ST_JUNK0	(0x1 << 11)	/* 0			*/
-#define		SCB_ST_CUS	(0x7 <<  8)	/* Cmd unit status	*/
-#define			SCB_ST_CUS_IDLE	(0 << 8)	/* Idle		*/
-#define			SCB_ST_CUS_SUSP	(1 << 8)	/* Suspended	*/
-#define			SCB_ST_CUS_ACTV	(2 << 8)	/* Active	*/
-#define		SCB_ST_JUNK1	(0x1 <<  7)	/* 0			*/
-#define		SCB_ST_RUS	(0x7 <<  4)	/* Rcv unit status	*/
-#define			SCB_ST_RUS_IDLE	(0 << 4)	/* Idle		*/
-#define			SCB_ST_RUS_SUSP	(1 << 4)	/* Suspended	*/
-#define			SCB_ST_RUS_NRES	(2 << 4)	/* No resources	*/
-#define			SCB_ST_RUS_RDY	(4 << 4)	/* Ready	*/
-	unsigned short	scb_command;	/* Next command			*/
-#define		SCB_CMD_ACK_CX	(0x1 << 15)	/* Ack cmd completion	*/
-#define		SCB_CMD_ACK_FR	(0x1 << 14)	/* Ack frame received	*/
-#define		SCB_CMD_ACK_CNA	(0x1 << 13)	/* Ack CU not active	*/
-#define		SCB_CMD_ACK_RNR	(0x1 << 12)	/* Ack RU not ready	*/
-#define		SCB_CMD_JUNKX	(0x1 << 11)	/* Unused		*/
-#define		SCB_CMD_CUC	(0x7 <<  8)	/* Command Unit command	*/
-#define			SCB_CMD_CUC_NOP	(0 << 8)	/* Nop		*/
-#define			SCB_CMD_CUC_GO	(1 << 8)	/* Start cbl_offset */
-#define			SCB_CMD_CUC_RES	(2 << 8)	/* Resume execution */
-#define			SCB_CMD_CUC_SUS	(3 << 8)	/* Suspend   "	*/
-#define			SCB_CMD_CUC_ABT	(4 << 8)	/* Abort     "	*/
-#define		SCB_CMD_RESET	(0x1 <<  7)	/* Reset chip (hardware) */
-#define		SCB_CMD_RUC	(0x7 <<  4)	/* Receive Unit command	*/
-#define			SCB_CMD_RUC_NOP	(0 << 4)	/* Nop		*/
-#define			SCB_CMD_RUC_GO	(1 << 4)	/* Start rfa_offset */
-#define			SCB_CMD_RUC_RES	(2 << 4)	/* Resume reception */
-#define			SCB_CMD_RUC_SUS	(3 << 4)	/* Suspend   "	*/
-#define			SCB_CMD_RUC_ABT	(4 << 4)	/* Abort     "	*/
-	unsigned short	scb_cbl_offset;	/* Offset of first command unit	*/
-					/* Action Command		*/
-	unsigned short	scb_rfa_offset;	/* Offset of first Receive	*/
-					/* Frame Descriptor in the	*/
-					/* Receive Frame Area		*/
-	unsigned short	scb_crcerrs;	/* Properly aligned frames	*/
-					/* received with a CRC error	*/
-	unsigned short	scb_alnerrs;	/* Misaligned frames received	*/
-					/* with a CRC error		*/
-	unsigned short	scb_rscerrs;	/* Frames lost due to no space	*/
-	unsigned short	scb_ovrnerrs;	/* Frames lost due to slow bus	*/
-};
-
-#define	scboff(p, f) 	toff(scb_t, p, f)
-
-/*
- * The eight Action Commands.
- */
-typedef enum acmd_e	acmd_e;
-enum acmd_e {
-	acmd_nop	= 0,	/* Do nothing				*/
-	acmd_ia_setup	= 1,	/* Load an (ethernet) address into the	*/
-				/* 82586				*/
-	acmd_configure	= 2,	/* Update the 82586 operating parameters */
-	acmd_mc_setup	= 3,	/* Load a list of (ethernet) multicast	*/
-				/* addresses into the 82586		*/
-	acmd_transmit	= 4,	/* Transmit a frame			*/
-	acmd_tdr	= 5,	/* Perform a Time Domain Reflectometer	*/
-				/* test on the serial link		*/
-	acmd_dump	= 6,	/* Copy 82586 registers to memory	*/
-	acmd_diagnose	= 7,	/* Run an internal self test		*/
-};
-
-/*
- * Generic Action Command header.
- */
-typedef struct ach_t	ach_t;
-struct ach_t {
-	unsigned short	ac_status;		/* Command status:	*/
-#define		AC_SFLD_C	(0x1 << 15)	/* Command completed	*/
-#define		AC_SFLD_B	(0x1 << 14)	/* Busy executing	*/
-#define		AC_SFLD_OK	(0x1 << 13)	/* Completed error free	*/
-#define		AC_SFLD_A	(0x1 << 12)	/* Command aborted	*/
-#define		AC_SFLD_FAIL	(0x1 << 11)	/* Selftest failed	*/
-#define		AC_SFLD_S10	(0x1 << 10)	/* No carrier sense	*/
-						/* during transmission	*/
-#define		AC_SFLD_S9	(0x1 <<  9)	/* Tx unsuccessful:	*/
-						/* (stopped) lost CTS	*/
-#define		AC_SFLD_S8	(0x1 <<  8)	/* Tx unsuccessful:	*/
-						/* (stopped) slow DMA	*/
-#define		AC_SFLD_S7	(0x1 <<  7)	/* Tx deferred:		*/
-						/* other link traffic	*/
-#define		AC_SFLD_S6	(0x1 <<  6)	/* Heart Beat: collision */
-						/* detect after last tx	*/
-#define		AC_SFLD_S5	(0x1 <<  5)	/* Tx stopped:		*/
-						/* excessive collisions	*/
-#define		AC_SFLD_MAXCOL	(0xF <<  0)	/* Collision count  	*/
-	unsigned short	ac_command;		/* Command specifier:	*/
-#define		AC_CFLD_EL	(0x1 << 15)	/* End of command list	*/
-#define		AC_CFLD_S	(0x1 << 14)	/* Suspend on completion */
-#define		AC_CFLD_I	(0x1 << 13)	/* Interrupt on completion */
-#define		AC_CFLD_CMD	(0x7 <<  0)	/* acmd_e		*/
-	unsigned short	ac_link;		/* Next Action Command	*/
-};
-
-#define	acoff(p, f) 	toff(ach_t, p, f)
-
-/*
- * The Nop Action Command.
- */
-typedef struct ac_nop_t	ac_nop_t;
-struct ac_nop_t {
-	ach_t	nop_h;
-};
-
-/*
- * The IA-Setup Action Command.
- */
-typedef struct ac_ias_t	ac_ias_t;
-struct ac_ias_t {
-	ach_t		ias_h;
-	unsigned char	ias_addr[ADDR_LEN]; /* The (ethernet) address	*/
-};
-
-/*
- * The Configure Action Command.
- */
-typedef struct ac_cfg_t	ac_cfg_t;
-struct ac_cfg_t {
-	ach_t		cfg_h;
-	unsigned char	cfg_byte_cnt;	/* Size foll data: 4-12	*/
-#define	AC_CFG_BYTE_CNT(v)	(((v) & 0xF) << 0)
-	unsigned char	cfg_fifolim;	/* FIFO threshold	*/
-#define	AC_CFG_FIFOLIM(v)	(((v) & 0xF) << 0)
-	unsigned char	cfg_byte8;
-#define	AC_CFG_SAV_BF(v) 	(((v) & 0x1) << 7)	/* Save rxd bad frames	*/
-#define	AC_CFG_SRDY(v) 		(((v) & 0x1) << 6)	/* SRDY/ARDY pin means	*/
-							/* external sync.	*/
-	unsigned char	cfg_byte9;
-#define	AC_CFG_ELPBCK(v)	(((v) & 0x1) << 7)	/* External loopback	*/
-#define	AC_CFG_ILPBCK(v)	(((v) & 0x1) << 6)	/* Internal loopback	*/
-#define	AC_CFG_PRELEN(v)	(((v) & 0x3) << 4)	/* Preamble length	*/
-#define		AC_CFG_PLEN_2		0		/*  2 bytes	*/
-#define		AC_CFG_PLEN_4		1		/*  4 bytes	*/
-#define		AC_CFG_PLEN_8		2		/*  8 bytes	*/
-#define		AC_CFG_PLEN_16		3		/* 16 bytes	*/
-#define	AC_CFG_ALOC(v)		(((v) & 0x1) << 3)	/* Addr/len data is	*/
-							/* explicit in buffers	*/
-#define	AC_CFG_ADDRLEN(v)	(((v) & 0x7) << 0)	/* Bytes per address	*/
-	unsigned char	cfg_byte10;
-#define	AC_CFG_BOFMET(v)	(((v) & 0x1) << 7)	/* Use alternate expo.	*/
-							/* backoff method	*/
-#define	AC_CFG_ACR(v)		(((v) & 0x7) << 4)	/* Accelerated cont. res. */
-#define	AC_CFG_LINPRIO(v)	(((v) & 0x7) << 0)	/* Linear priority	*/
-	unsigned char	cfg_ifs;	/* Interframe spacing		*/
-	unsigned char	cfg_slotl;	/* Slot time (low byte)		*/
-	unsigned char	cfg_byte13;
-#define	AC_CFG_RETRYNUM(v)	(((v) & 0xF) << 4)	/* Max. collision retry	*/
-#define	AC_CFG_SLTTMHI(v)	(((v) & 0x7) << 0)	/* Slot time (high bits) */
-	unsigned char	cfg_byte14;
-#define	AC_CFG_FLGPAD(v)	(((v) & 0x1) << 7)	/* Pad with HDLC flags	*/
-#define	AC_CFG_BTSTF(v)		(((v) & 0x1) << 6)	/* Do HDLC bitstuffing	*/
-#define	AC_CFG_CRC16(v)		(((v) & 0x1) << 5)	/* 16 bit CCITT CRC	*/
-#define	AC_CFG_NCRC(v)		(((v) & 0x1) << 4)	/* Insert no CRC	*/
-#define	AC_CFG_TNCRS(v)		(((v) & 0x1) << 3)	/* Tx even if no carrier */
-#define	AC_CFG_MANCH(v)		(((v) & 0x1) << 2)	/* Manchester coding	*/
-#define	AC_CFG_BCDIS(v)		(((v) & 0x1) << 1)	/* Disable broadcast	*/
-#define	AC_CFG_PRM(v)		(((v) & 0x1) << 0)	/* Promiscuous mode	*/
-	unsigned char	cfg_byte15;
-#define	AC_CFG_ICDS(v)		(((v) & 0x1) << 7)	/* Internal collision	*/
-							/* detect source	*/
-#define	AC_CFG_CDTF(v)		(((v) & 0x7) << 4)	/* Collision detect	*/
-							/* filter in bit times	*/
-#define	AC_CFG_ICSS(v)		(((v) & 0x1) << 3)	/* Internal carrier	*/
-							/* sense source		*/
-#define	AC_CFG_CSTF(v)		(((v) & 0x7) << 0)	/* Carrier sense	*/
-							/* filter in bit times	*/
-	unsigned short	cfg_min_frm_len;
-#define	AC_CFG_MNFRM(v)		(((v) & 0xFF) << 0)	/* Min. bytes/frame (<= 255) */
-};
-
-/*
- * The MC-Setup Action Command.
- */
-typedef struct ac_mcs_t	ac_mcs_t;
-struct ac_mcs_t {
-	ach_t		mcs_h;
-	unsigned short	mcs_cnt;	/* No. of bytes of MC addresses	*/
-#if 0
-	unsigned char	mcs_data[ADDR_LEN]; /* The first MC address ..	*/
-	...
-#endif
-};
-
-#define I82586_MAX_MULTICAST_ADDRESSES	128	/* Hardware hashed filter */
-
-/*
- * The Transmit Action Command.
- */
-typedef struct ac_tx_t	ac_tx_t;
-struct ac_tx_t {
-	ach_t		tx_h;
-	unsigned short	tx_tbd_offset;	/* Address of list of buffers.	*/
-#if	0
-Linux packets are passed down with the destination MAC address
-and length/type field already prepended to the data,
-so we do not need to insert it.  Consistent with this
-we must also set the AC_CFG_ALOC(..) flag during the
-ac_cfg_t action command.
-	unsigned char	tx_addr[ADDR_LEN]; /* The frame dest. address	*/
-	unsigned short	tx_length;	/* The frame length		*/
-#endif	/* 0 */
-};
-
-/*
- * The Time Domain Reflectometer Action Command.
- */
-typedef struct ac_tdr_t	ac_tdr_t;
-struct ac_tdr_t {
-	ach_t		tdr_h;
-	unsigned short	tdr_result;	/* Result.	*/
-#define		AC_TDR_LNK_OK	(0x1 << 15)	/* No link problem	*/
-#define		AC_TDR_XCVR_PRB	(0x1 << 14)	/* Txcvr cable problem	*/
-#define		AC_TDR_ET_OPN	(0x1 << 13)	/* Open on the link	*/
-#define		AC_TDR_ET_SRT	(0x1 << 12)	/* Short on the link	*/
-#define		AC_TDR_TIME	(0x7FF << 0)	/* Distance to problem	*/
-						/* site	in transmit	*/
-						/* clock cycles		*/
-};
-
-/*
- * The Dump Action Command.
- */
-typedef struct ac_dmp_t	ac_dmp_t;
-struct ac_dmp_t {
-	ach_t		dmp_h;
-	unsigned short	dmp_offset;	/* Result.	*/
-};
-
-/*
- * Size of the result of the dump command.
- */
-#define	DUMPBYTES	170
-
-/*
- * The Diagnose Action Command.
- */
-typedef struct ac_dgn_t	ac_dgn_t;
-struct ac_dgn_t {
-	ach_t		dgn_h;
-};
-
-/*
- * Transmit Buffer Descriptor (TBD).
- */
-typedef struct tbd_t	tbd_t;
-struct tbd_t {
-	unsigned short	tbd_status;		/* Written by the CPU	*/
-#define		TBD_STATUS_EOF	(0x1 << 15)	/* This TBD is the	*/
-						/* last for this frame	*/
-#define		TBD_STATUS_ACNT	(0x3FFF << 0)	/* Actual count of data	*/
-						/* bytes in this buffer	*/
-	unsigned short	tbd_next_bd_offset;	/* Next in list		*/
-	unsigned short	tbd_bufl;		/* Buffer address (low)	*/
-	unsigned short	tbd_bufh;		/*    "	     "	(high)	*/
-};
-
-/*
- * Receive Buffer Descriptor (RBD).
- */
-typedef struct rbd_t	rbd_t;
-struct rbd_t {
-	unsigned short	rbd_status;		/* Written by the 82586	*/
-#define		RBD_STATUS_EOF	(0x1 << 15)	/* This RBD is the	*/
-						/* last for this frame	*/
-#define		RBD_STATUS_F	(0x1 << 14)	/* ACNT field is valid	*/
-#define		RBD_STATUS_ACNT	(0x3FFF << 0)	/* Actual no. of data	*/
-						/* bytes in this buffer	*/
-	unsigned short	rbd_next_rbd_offset;	/* Next rbd in list	*/
-	unsigned short	rbd_bufl;		/* Data pointer (low)	*/
-	unsigned short	rbd_bufh;		/*  "	   "    (high)	*/
-	unsigned short	rbd_el_size;		/* EL+Data buf. size	*/
-#define		RBD_EL	(0x1 << 15)		/* This BD is the	*/
-						/* last in the list	*/
-#define		RBD_SIZE (0x3FFF << 0)		/* No. of bytes the	*/
-						/* buffer can hold	*/
-};
-
-#define	rbdoff(p, f) 	toff(rbd_t, p, f)
-
-/*
- * Frame Descriptor (FD).
- */
-typedef struct fd_t	fd_t;
-struct fd_t {
-	unsigned short	fd_status;		/* Written by the 82586	*/
-#define		FD_STATUS_C	(0x1 << 15)	/* Completed storing frame */
-#define		FD_STATUS_B	(0x1 << 14)	/* FD was consumed by RU */
-#define		FD_STATUS_OK	(0x1 << 13)	/* Frame rxd successfully */
-#define		FD_STATUS_S11	(0x1 << 11)	/* CRC error		*/
-#define		FD_STATUS_S10	(0x1 << 10)	/* Alignment error	*/
-#define		FD_STATUS_S9	(0x1 <<  9)	/* Ran out of resources	*/
-#define		FD_STATUS_S8	(0x1 <<  8)	/* Rx DMA overrun	*/
-#define		FD_STATUS_S7	(0x1 <<  7)	/* Frame too short	*/
-#define		FD_STATUS_S6	(0x1 <<  6)	/* No EOF flag		*/
-	unsigned short	fd_command;		/* Command		*/
-#define		FD_COMMAND_EL	(0x1 << 15)	/* Last FD in list	*/
-#define		FD_COMMAND_S	(0x1 << 14)	/* Suspend RU after rx	*/
-	unsigned short	fd_link_offset;		/* Next FD		*/
-	unsigned short	fd_rbd_offset;		/* First RBD (data)	*/
-						/* Prepared by CPU,	*/
-						/* updated by 82586	*/
-#if	0
-I think the rest is unused since we
-have set AC_CFG_ALOC(..).  However, just
-in case, we leave the space.
-#endif	/* 0 */
-	unsigned char	fd_dest[ADDR_LEN];	/* Destination address	*/
-						/* Written by 82586	*/
-	unsigned char	fd_src[ADDR_LEN];	/* Source address	*/
-						/* Written by 82586	*/
-	unsigned short	fd_length;		/* Frame length or type	*/
-						/* Written by 82586	*/
-};
-
-#define	fdoff(p, f) 	toff(fd_t, p, f)
-
-/*
- * This software may only be used and distributed
- * according to the terms of the GNU General Public License.
- *
- * For more details, see wavelan.c.
- */
diff --git a/drivers/staging/wavelan/wavelan.c b/drivers/staging/wavelan/wavelan.c
deleted file mode 100644
index 37ede43bbbe..00000000000
--- a/drivers/staging/wavelan/wavelan.c
+++ /dev/null
@@ -1,4401 +0,0 @@
-/*
- *	WaveLAN ISA driver
- *
- *		Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- * Original copyright follows (also see the end of this file).
- * See wavelan.p.h for details.
- *
- *
- *
- * AT&T GIS (nee NCR) WaveLAN card:
- *	An Ethernet-like radio transceiver
- *	controlled by an Intel 82586 coprocessor.
- */
-
-#include "wavelan.p.h"		/* Private header */
-
-/************************* MISC SUBROUTINES **************************/
-/*
- * Subroutines which won't fit in one of the following category
- * (WaveLAN modem or i82586)
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Translate irq number to PSA irq parameter
- */
-static u8 wv_irq_to_psa(int irq)
-{
-	if (irq < 0 || irq >= ARRAY_SIZE(irqvals))
-		return 0;
-
-	return irqvals[irq];
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Translate PSA irq parameter to irq number
- */
-static int __init wv_psa_to_irq(u8 irqval)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(irqvals); i++)
-		if (irqvals[i] == irqval)
-			return i;
-
-	return -1;
-}
-
-/********************* HOST ADAPTER SUBROUTINES *********************/
-/*
- * Useful subroutines to manage the WaveLAN ISA interface
- *
- * One major difference with the PCMCIA hardware (except the port mapping)
- * is that we have to keep the state of the Host Control Register
- *because of the interrupt enable & bus size flags.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Read from card's Host Adaptor Status Register.
- */
-static inline u16 hasr_read(unsigned long ioaddr)
-{
-	return inw(HASR(ioaddr));
-}				/* hasr_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Write to card's Host Adapter Command Register.
- */
-static inline void hacr_write(unsigned long ioaddr, u16 hacr)
-{
-	outw(hacr, HACR(ioaddr));
-}				/* hacr_write */
-
-/*------------------------------------------------------------------*/
-/*
- * Write to card's Host Adapter Command Register. Include a delay for
- * those times when it is needed.
- */
-static void hacr_write_slow(unsigned long ioaddr, u16 hacr)
-{
-	hacr_write(ioaddr, hacr);
-	/* delay might only be needed sometimes */
-	mdelay(1);
-}				/* hacr_write_slow */
-
-/*------------------------------------------------------------------*/
-/*
- * Set the channel attention bit.
- */
-static inline void set_chan_attn(unsigned long ioaddr, u16 hacr)
-{
-	hacr_write(ioaddr, hacr | HACR_CA);
-}				/* set_chan_attn */
-
-/*------------------------------------------------------------------*/
-/*
- * Reset, and then set host adaptor into default mode.
- */
-static inline void wv_hacr_reset(unsigned long ioaddr)
-{
-	hacr_write_slow(ioaddr, HACR_RESET);
-	hacr_write(ioaddr, HACR_DEFAULT);
-}				/* wv_hacr_reset */
-
-/*------------------------------------------------------------------*/
-/*
- * Set the I/O transfer over the ISA bus to 8-bit mode
- */
-static inline void wv_16_off(unsigned long ioaddr, u16 hacr)
-{
-	hacr &= ~HACR_16BITS;
-	hacr_write(ioaddr, hacr);
-}				/* wv_16_off */
-
-/*------------------------------------------------------------------*/
-/*
- * Set the I/O transfer over the ISA bus to 8-bit mode
- */
-static inline void wv_16_on(unsigned long ioaddr, u16 hacr)
-{
-	hacr |= HACR_16BITS;
-	hacr_write(ioaddr, hacr);
-}				/* wv_16_on */
-
-/*------------------------------------------------------------------*/
-/*
- * Disable interrupts on the WaveLAN hardware.
- * (called by wv_82586_stop())
- */
-static inline void wv_ints_off(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-
-	lp->hacr &= ~HACR_INTRON;
-	hacr_write(ioaddr, lp->hacr);
-}				/* wv_ints_off */
-
-/*------------------------------------------------------------------*/
-/*
- * Enable interrupts on the WaveLAN hardware.
- * (called by wv_hw_reset())
- */
-static inline void wv_ints_on(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-
-	lp->hacr |= HACR_INTRON;
-	hacr_write(ioaddr, lp->hacr);
-}				/* wv_ints_on */
-
-/******************* MODEM MANAGEMENT SUBROUTINES *******************/
-/*
- * Useful subroutines to manage the modem of the WaveLAN
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Read the Parameter Storage Area from the WaveLAN card's memory
- */
-/*
- * Read bytes from the PSA.
- */
-static void psa_read(unsigned long ioaddr,
-			u16 hacr,
-			int o,	/* offset in PSA */
-			u8 *b,	/*buffer to fill */
-			int n)
-{				/* size to read */
-	wv_16_off(ioaddr, hacr);
-
-	while (n-- > 0) {
-		outw(o, PIOR2(ioaddr));
-		o++;
-		*b++ = inb(PIOP2(ioaddr));
-	}
-
-	wv_16_on(ioaddr, hacr);
-}				/* psa_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Write the Parameter Storage Area to the WaveLAN card's memory.
- */
-static void psa_write(unsigned long ioaddr,
-			u16 hacr,
-			int o,	/* Offset in PSA */
-			u8 *b,	/*buffer in memory */
-			int n)
-{				/* Length of buffer */
-	int count = 0;
-
-	wv_16_off(ioaddr, hacr);
-
-	while (n-- > 0) {
-		outw(o, PIOR2(ioaddr));
-		o++;
-
-		outb(*b, PIOP2(ioaddr));
-		b++;
-
-		/* Wait for the memory to finish its write cycle */
-		count = 0;
-		while ((count++ < 100) && (hasr_read(ioaddr) & HASR_PSA_BUSY))
-			mdelay(1);
-	}
-
-	wv_16_on(ioaddr, hacr);
-}				/* psa_write */
-
-#ifdef SET_PSA_CRC
-/*------------------------------------------------------------------*/
-/*
- * Calculate the PSA CRC
- * Thanks to Valster, Nico <NVALSTER@wcnd.nl.lucent.com> for the code
- * NOTE: By specifying a length including the CRC position the
- * returned value should be zero. (i.e. a correct checksum in the PSA)
- *
- * The Windows drivers don't use the CRC, but the AP and the PtP tool
- * depend on it.
- */
-static u16 psa_crc(u8 *psa,	/* The PSA */
-			int size)
-{				/* Number of short for CRC */
-	int byte_cnt;		/* Loop on the PSA */
-	u16 crc_bytes = 0;	/* Data in the PSA */
-	int bit_cnt;		/* Loop on the bits of the short */
-
-	for (byte_cnt = 0; byte_cnt < size; byte_cnt++) {
-		crc_bytes ^= psa[byte_cnt];	/* Its an xor */
-
-		for (bit_cnt = 1; bit_cnt < 9; bit_cnt++) {
-			if (crc_bytes & 0x0001)
-				crc_bytes = (crc_bytes >> 1) ^ 0xA001;
-			else
-				crc_bytes >>= 1;
-		}
-	}
-
-	return crc_bytes;
-}				/* psa_crc */
-#endif				/* SET_PSA_CRC */
-
-/*------------------------------------------------------------------*/
-/*
- * update the checksum field in the Wavelan's PSA
- */
-static void update_psa_checksum(struct net_device *dev,
-				unsigned long ioaddr,
-				u16 hacr)
-{
-#ifdef SET_PSA_CRC
-	psa_t psa;
-	u16 crc;
-
-	/* read the parameter storage area */
-	psa_read(ioaddr, hacr, 0, (unsigned char *) &psa, sizeof(psa));
-
-	/* update the checksum */
-	crc = psa_crc((unsigned char *) &psa,
-		      sizeof(psa) - sizeof(psa.psa_crc[0]) -
-		      sizeof(psa.psa_crc[1])
-		      - sizeof(psa.psa_crc_status));
-
-	psa.psa_crc[0] = crc & 0xFF;
-	psa.psa_crc[1] = (crc & 0xFF00) >> 8;
-
-	/* Write it ! */
-	psa_write(ioaddr, hacr, (char *) &psa.psa_crc - (char *) &psa,
-		  (unsigned char *) &psa.psa_crc, 2);
-
-#ifdef DEBUG_IOCTL_INFO
-	printk(KERN_DEBUG "%s: update_psa_checksum(): crc = 0x%02x%02x\n",
-	       dev->name, psa.psa_crc[0], psa.psa_crc[1]);
-
-	/* Check again (luxury !) */
-	crc = psa_crc((unsigned char *) &psa,
-		      sizeof(psa) - sizeof(psa.psa_crc_status));
-
-	if (crc != 0)
-		printk(KERN_WARNING
-		       "%s: update_psa_checksum(): CRC does not \
-		       agree with PSA data (even after recalculating)\n",
-		       dev->name);
-#endif				/* DEBUG_IOCTL_INFO */
-#endif				/* SET_PSA_CRC */
-}				/* update_psa_checksum */
-
-/*------------------------------------------------------------------*/
-/*
- * Write 1 byte to the MMC.
- */
-static void mmc_out(unsigned long ioaddr, u16 o, u8 d)
-{
-	int count = 0;
-
-	/* Wait for MMC to go idle */
-	while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
-		udelay(10);
-
-	outw((u16) (((u16) d << 8) | (o << 1) | 1), MMCR(ioaddr));
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to write bytes to the Modem Management Controller.
- * We start at the end because it is the way it should be!
- */
-static void mmc_write(unsigned long ioaddr, u8 o, u8 *b, int n)
-{
-	o += n;
-	b += n;
-
-	while (n-- > 0)
-		mmc_out(ioaddr, --o, *(--b));
-}				/* mmc_write */
-
-/*------------------------------------------------------------------*/
-/*
- * Read a byte from the MMC.
- * Optimised version for 1 byte, avoid using memory.
- */
-static u8 mmc_in(unsigned long ioaddr, u16 o)
-{
-	int count = 0;
-
-	while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
-		udelay(10);
-	outw(o << 1, MMCR(ioaddr));
-
-	while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
-		udelay(10);
-	return (u8) (inw(MMCR(ioaddr)) >> 8);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to read bytes from the Modem Management Controller.
- * The implementation is complicated by a lack of address lines,
- * which prevents decoding of the low-order bit.
- * (code has just been moved in the above function)
- * We start at the end because it is the way it should be!
- */
-static inline void mmc_read(unsigned long ioaddr, u8 o, u8 *b, int n)
-{
-	o += n;
-	b += n;
-
-	while (n-- > 0)
-		*(--b) = mmc_in(ioaddr, --o);
-}				/* mmc_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Get the type of encryption available.
- */
-static inline int mmc_encr(unsigned long ioaddr)
-{				/* I/O port of the card */
-	int temp;
-
-	temp = mmc_in(ioaddr, mmroff(0, mmr_des_avail));
-	if ((temp != MMR_DES_AVAIL_DES) && (temp != MMR_DES_AVAIL_AES))
-		return 0;
-	else
-		return temp;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wait for the frequency EEPROM to complete a command.
- * I hope this one will be optimally inlined.
- */
-static inline void fee_wait(unsigned long ioaddr, /* I/O port of the card */
-			    int delay,	/*base delay to wait for */
-			    int number)
-{				/* Number of time to wait */
-	int count = 0;		/* Wait only a limited time */
-
-	while ((count++ < number) &&
-	       (mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
-		MMR_FEE_STATUS_BUSY))
-			udelay(delay);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Read bytes from the Frequency EEPROM (frequency select cards).
- */
-static void fee_read(unsigned long ioaddr,	/* I/O port of the card */
-		     u16 o,	/* destination offset */
-		     u16 *b,	/* data buffer */
-		     int n)
-{				/* number of registers */
-	b += n;			/* Position at the end of the area */
-
-	/* Write the address */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n - 1);
-
-	/* Loop on all buffer */
-	while (n-- > 0) {
-		/* Write the read command */
-		mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
-			MMW_FEE_CTRL_READ);
-
-		/* Wait until EEPROM is ready (should be quick). */
-		fee_wait(ioaddr, 10, 100);
-
-		/* Read the value. */
-		*--b = ((mmc_in(ioaddr, mmroff(0, mmr_fee_data_h)) << 8) |
-			mmc_in(ioaddr, mmroff(0, mmr_fee_data_l)));
-	}
-}
-
-
-/*------------------------------------------------------------------*/
-/*
- * Write bytes from the Frequency EEPROM (frequency select cards).
- * This is a bit complicated, because the frequency EEPROM has to
- *be unprotected and the write enabled.
- * Jean II
- */
-static void fee_write(unsigned long ioaddr,	/* I/O port of the card */
-		      u16 o,	/* destination offset */
-		      u16 *b,	/* data buffer */
-		      int n)
-{				/* number of registers */
-	b += n;			/* Position at the end of the area. */
-
-#ifdef EEPROM_IS_PROTECTED	/* disabled */
-#ifdef DOESNT_SEEM_TO_WORK	/* disabled */
-	/* Ask to read the protected register */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRREAD);
-
-	fee_wait(ioaddr, 10, 100);
-
-	/* Read the protected register. */
-	printk("Protected 2:  %02X-%02X\n",
-	       mmc_in(ioaddr, mmroff(0, mmr_fee_data_h)),
-	       mmc_in(ioaddr, mmroff(0, mmr_fee_data_l)));
-#endif				/* DOESNT_SEEM_TO_WORK */
-
-	/* Enable protected register. */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PREN);
-
-	fee_wait(ioaddr, 10, 100);
-
-	/* Unprotect area. */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n);
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
-#ifdef DOESNT_SEEM_TO_WORK	/* disabled */
-	/* or use: */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRCLEAR);
-#endif				/* DOESNT_SEEM_TO_WORK */
-
-	fee_wait(ioaddr, 10, 100);
-#endif				/* EEPROM_IS_PROTECTED */
-
-	/* Write enable. */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WREN);
-
-	fee_wait(ioaddr, 10, 100);
-
-	/* Write the EEPROM address. */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n - 1);
-
-	/* Loop on all buffer */
-	while (n-- > 0) {
-		/* Write the value. */
-		mmc_out(ioaddr, mmwoff(0, mmw_fee_data_h), (*--b) >> 8);
-		mmc_out(ioaddr, mmwoff(0, mmw_fee_data_l), *b & 0xFF);
-
-		/* Write the write command. */
-		mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
-			MMW_FEE_CTRL_WRITE);
-
-		/* WaveLAN documentation says to
-		* wait at least 10 ms for EEBUSY = 0
-		*/
-		mdelay(10);
-		fee_wait(ioaddr, 10, 100);
-	}
-
-	/* Write disable. */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_DS);
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WDS);
-
-	fee_wait(ioaddr, 10, 100);
-
-#ifdef EEPROM_IS_PROTECTED	/* disabled */
-	/* Reprotect EEPROM. */
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x00);
-	mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
-
-	fee_wait(ioaddr, 10, 100);
-#endif				/* EEPROM_IS_PROTECTED */
-}
-
-/************************ I82586 SUBROUTINES *************************/
-/*
- * Useful subroutines to manage the Ethernet controller
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Read bytes from the on-board RAM.
- * Why does inlining this function make it fail?
- */
-static /*inline */ void obram_read(unsigned long ioaddr,
-				   u16 o, u8 *b, int n)
-{
-	outw(o, PIOR1(ioaddr));
-	insw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Write bytes to the on-board RAM.
- */
-static inline void obram_write(unsigned long ioaddr, u16 o, u8 *b, int n)
-{
-	outw(o, PIOR1(ioaddr));
-	outsw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Acknowledge the reading of the status issued by the i82586.
- */
-static void wv_ack(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	u16 scb_cs;
-	int i;
-
-	obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
-		   (unsigned char *) &scb_cs, sizeof(scb_cs));
-	scb_cs &= SCB_ST_INT;
-
-	if (scb_cs == 0)
-		return;
-
-	obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
-		    (unsigned char *) &scb_cs, sizeof(scb_cs));
-
-	set_chan_attn(ioaddr, lp->hacr);
-
-	for (i = 1000; i > 0; i--) {
-		obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
-			   (unsigned char *) &scb_cs, sizeof(scb_cs));
-		if (scb_cs == 0)
-			break;
-
-		udelay(10);
-	}
-	udelay(100);
-
-#ifdef DEBUG_CONFIG_ERROR
-	if (i <= 0)
-		printk(KERN_INFO
-		       "%s: wv_ack(): board not accepting command.\n",
-		       dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Set channel attention bit and busy wait until command has
- * completed, then acknowledge completion of the command.
- */
-static int wv_synchronous_cmd(struct net_device *dev, const char *str)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	u16 scb_cmd;
-	ach_t cb;
-	int i;
-
-	scb_cmd = SCB_CMD_CUC & SCB_CMD_CUC_GO;
-	obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
-		    (unsigned char *) &scb_cmd, sizeof(scb_cmd));
-
-	set_chan_attn(ioaddr, lp->hacr);
-
-	for (i = 1000; i > 0; i--) {
-		obram_read(ioaddr, OFFSET_CU, (unsigned char *) &cb,
-			   sizeof(cb));
-		if (cb.ac_status & AC_SFLD_C)
-			break;
-
-		udelay(10);
-	}
-	udelay(100);
-
-	if (i <= 0 || !(cb.ac_status & AC_SFLD_OK)) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO "%s: %s failed; status = 0x%x\n",
-		       dev->name, str, cb.ac_status);
-#endif
-#ifdef DEBUG_I82586_SHOW
-		wv_scb_show(ioaddr);
-#endif
-		return -1;
-	}
-
-	/* Ack the status */
-	wv_ack(dev);
-
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Configuration commands completion interrupt.
- * Check if done, and if OK.
- */
-static int
-wv_config_complete(struct net_device *dev, unsigned long ioaddr, net_local * lp)
-{
-	unsigned short mcs_addr;
-	unsigned short status;
-	int ret;
-
-#ifdef DEBUG_INTERRUPT_TRACE
-	printk(KERN_DEBUG "%s: ->wv_config_complete()\n", dev->name);
-#endif
-
-	mcs_addr = lp->tx_first_in_use + sizeof(ac_tx_t) + sizeof(ac_nop_t)
-	    + sizeof(tbd_t) + sizeof(ac_cfg_t) + sizeof(ac_ias_t);
-
-	/* Read the status of the last command (set mc list). */
-	obram_read(ioaddr, acoff(mcs_addr, ac_status),
-		   (unsigned char *) &status, sizeof(status));
-
-	/* If not completed -> exit */
-	if ((status & AC_SFLD_C) == 0)
-		ret = 0;	/* Not ready to be scrapped */
-	else {
-#ifdef DEBUG_CONFIG_ERROR
-		unsigned short cfg_addr;
-		unsigned short ias_addr;
-
-		/* Check mc_config command */
-		if ((status & AC_SFLD_OK) != AC_SFLD_OK)
-			printk(KERN_INFO
-			       "%s: wv_config_complete(): \
-			       set_multicast_address failed; status = 0x%x\n",
-			       dev->name, status);
-
-		/* check ia-config command */
-		ias_addr = mcs_addr - sizeof(ac_ias_t);
-		obram_read(ioaddr, acoff(ias_addr, ac_status),
-			   (unsigned char *) &status, sizeof(status));
-		if ((status & AC_SFLD_OK) != AC_SFLD_OK)
-			printk(KERN_INFO
-			       "%s: wv_config_complete(): set_MAC_address \
-				failed; status = 0x%x\n",
-			       dev->name, status);
-
-		/* Check config command. */
-		cfg_addr = ias_addr - sizeof(ac_cfg_t);
-		obram_read(ioaddr, acoff(cfg_addr, ac_status),
-			   (unsigned char *) &status, sizeof(status));
-		if ((status & AC_SFLD_OK) != AC_SFLD_OK)
-			printk(KERN_INFO
-			       "%s: wv_config_complete(): configure failed; \
-			       status = 0x%x\n",
-			       dev->name, status);
-#endif	/* DEBUG_CONFIG_ERROR */
-
-		ret = 1;	/* Ready to be scrapped */
-	}
-
-#ifdef DEBUG_INTERRUPT_TRACE
-	printk(KERN_DEBUG "%s: <-wv_config_complete() - %d\n", dev->name,
-	       ret);
-#endif
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Command completion interrupt.
- * Reclaim as many freed tx buffers as we can.
- * (called in wavelan_interrupt()).
- * Note : the spinlock is already grabbed for us.
- */
-static int wv_complete(struct net_device *dev,
-			unsigned long ioaddr,
-			net_local *lp)
-{
-	int nreaped = 0;
-
-#ifdef DEBUG_INTERRUPT_TRACE
-	printk(KERN_DEBUG "%s: ->wv_complete()\n", dev->name);
-#endif
-
-	/* Loop on all the transmit buffers */
-	while (lp->tx_first_in_use != I82586NULL) {
-		unsigned short tx_status;
-
-		/* Read the first transmit buffer */
-		obram_read(ioaddr, acoff(lp->tx_first_in_use, ac_status),
-			   (unsigned char *) &tx_status,
-			   sizeof(tx_status));
-
-		/* If not completed -> exit */
-		if ((tx_status & AC_SFLD_C) == 0)
-			break;
-
-		/* Hack for reconfiguration */
-		if (tx_status == 0xFFFF)
-			if (!wv_config_complete(dev, ioaddr, lp))
-				break;	/* Not completed */
-
-		/* We now remove this buffer */
-		nreaped++;
-		--lp->tx_n_in_use;
-
-/*
-if (lp->tx_n_in_use > 0)
-	printk("%c", "0123456789abcdefghijk"[lp->tx_n_in_use]);
-*/
-
-		/* Was it the last one? */
-		if (lp->tx_n_in_use <= 0)
-			lp->tx_first_in_use = I82586NULL;
-		else {
-			/* Next one in the chain */
-			lp->tx_first_in_use += TXBLOCKZ;
-			if (lp->tx_first_in_use >=
-				OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
-				lp->tx_first_in_use -= NTXBLOCKS * TXBLOCKZ;
-		}
-
-		/* Hack for reconfiguration */
-		if (tx_status == 0xFFFF)
-			continue;
-
-		/* Now, check status of the finished command */
-		if (tx_status & AC_SFLD_OK) {
-			int ncollisions;
-
-			dev->stats.tx_packets++;
-			ncollisions = tx_status & AC_SFLD_MAXCOL;
-			dev->stats.collisions += ncollisions;
-#ifdef DEBUG_TX_INFO
-			if (ncollisions > 0)
-				printk(KERN_DEBUG
-				       "%s: wv_complete(): tx completed after \
-					%d collisions.\n",
-				       dev->name, ncollisions);
-#endif
-		} else {
-			dev->stats.tx_errors++;
-			if (tx_status & AC_SFLD_S10) {
-				dev->stats.tx_carrier_errors++;
-#ifdef DEBUG_TX_FAIL
-				printk(KERN_DEBUG
-				       "%s: wv_complete(): tx error: no CS.\n",
-				       dev->name);
-#endif
-			}
-			if (tx_status & AC_SFLD_S9) {
-				dev->stats.tx_carrier_errors++;
-#ifdef DEBUG_TX_FAIL
-				printk(KERN_DEBUG
-					"%s: wv_complete(): tx error: \
-					lost CTS.\n",
-				       dev->name);
-#endif
-			}
-			if (tx_status & AC_SFLD_S8) {
-				dev->stats.tx_fifo_errors++;
-#ifdef DEBUG_TX_FAIL
-				printk(KERN_DEBUG
-					"%s: wv_complete(): tx error: \
-					slow DMA.\n",
-				       dev->name);
-#endif
-			}
-			if (tx_status & AC_SFLD_S6) {
-				dev->stats.tx_heartbeat_errors++;
-#ifdef DEBUG_TX_FAIL
-				printk(KERN_DEBUG
-					"%s: wv_complete(): tx error: \
-					heart beat.\n",
-				       dev->name);
-#endif
-			}
-			if (tx_status & AC_SFLD_S5) {
-				dev->stats.tx_aborted_errors++;
-#ifdef DEBUG_TX_FAIL
-				printk(KERN_DEBUG
-					"%s: wv_complete(): tx error: \
-					too many collisions.\n",
-				       dev->name);
-#endif
-			}
-		}
-
-#ifdef DEBUG_TX_INFO
-		printk(KERN_DEBUG
-		       "%s: wv_complete(): tx completed, tx_status 0x%04x\n",
-		       dev->name, tx_status);
-#endif
-	}
-
-#ifdef DEBUG_INTERRUPT_INFO
-	if (nreaped > 1)
-		printk(KERN_DEBUG "%s: wv_complete(): reaped %d\n",
-		       dev->name, nreaped);
-#endif
-
-	/*
-	 * Inform upper layers.
-	 */
-	if (lp->tx_n_in_use < NTXBLOCKS - 1)
-		netif_wake_queue(dev);
-
-#ifdef DEBUG_INTERRUPT_TRACE
-	printk(KERN_DEBUG "%s: <-wv_complete()\n", dev->name);
-#endif
-	return nreaped;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Reconfigure the i82586, or at least ask for it.
- *because wv_82586_config uses a transmission buffer, we must do it
- * when we are sure that there is one left, so we do it now
- * or in wavelan_packet_xmit() (I can't find any better place,
- * wavelan_interrupt is not an option), so you may experience
- * delays sometimes.
- */
-static void wv_82586_reconfig(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long flags;
-
-	/* Arm the flag, will be cleard in wv_82586_config() */
-	lp->reconfig_82586 = 1;
-
-	/* Check if we can do it now ! */
-	if ((netif_running(dev)) && !(netif_queue_stopped(dev))) {
-		spin_lock_irqsave(&lp->spinlock, flags);
-		/* May fail */
-		wv_82586_config(dev);
-		spin_unlock_irqrestore(&lp->spinlock, flags);
-	} else {
-#ifdef DEBUG_CONFIG_INFO
-		printk(KERN_DEBUG
-		       "%s: wv_82586_reconfig(): delayed (state = %lX)\n",
-			       dev->name, dev->state);
-#endif
-	}
-}
-
-/********************* DEBUG & INFO SUBROUTINES *********************/
-/*
- * This routine is used in the code to show information for debugging.
- * Most of the time, it dumps the contents of hardware structures.
- */
-
-#ifdef DEBUG_PSA_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted contents of the Parameter Storage Area.
- */
-static void wv_psa_show(psa_t *p)
-{
-	printk(KERN_DEBUG "##### WaveLAN PSA contents: #####\n");
-	printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
-	       p->psa_io_base_addr_1,
-	       p->psa_io_base_addr_2,
-	       p->psa_io_base_addr_3, p->psa_io_base_addr_4);
-	printk(KERN_DEBUG "psa_rem_boot_addr_1: 0x%02X %02X %02X\n",
-	       p->psa_rem_boot_addr_1,
-	       p->psa_rem_boot_addr_2, p->psa_rem_boot_addr_3);
-	printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
-	printk("psa_int_req_no: %d\n", p->psa_int_req_no);
-#ifdef DEBUG_SHOW_UNUSED
-	printk(KERN_DEBUG "psa_unused0[]: %pM\n", p->psa_unused0);
-#endif				/* DEBUG_SHOW_UNUSED */
-	printk(KERN_DEBUG "psa_univ_mac_addr[]: %pM\n", p->psa_univ_mac_addr);
-	printk(KERN_DEBUG "psa_local_mac_addr[]: %pM\n", p->psa_local_mac_addr);
-	printk(KERN_DEBUG "psa_univ_local_sel: %d, ",
-	       p->psa_univ_local_sel);
-	printk("psa_comp_number: %d, ", p->psa_comp_number);
-	printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
-	printk(KERN_DEBUG "psa_feature_select/decay_prm: 0x%02x, ",
-	       p->psa_feature_select);
-	printk("psa_subband/decay_update_prm: %d\n", p->psa_subband);
-	printk(KERN_DEBUG "psa_quality_thr: 0x%02x, ", p->psa_quality_thr);
-	printk("psa_mod_delay: 0x%02x\n", p->psa_mod_delay);
-	printk(KERN_DEBUG "psa_nwid: 0x%02x%02x, ", p->psa_nwid[0],
-	       p->psa_nwid[1]);
-	printk("psa_nwid_select: %d\n", p->psa_nwid_select);
-	printk(KERN_DEBUG "psa_encryption_select: %d, ",
-	       p->psa_encryption_select);
-	printk
-	    ("psa_encryption_key[]: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
-	     p->psa_encryption_key[0], p->psa_encryption_key[1],
-	     p->psa_encryption_key[2], p->psa_encryption_key[3],
-	     p->psa_encryption_key[4], p->psa_encryption_key[5],
-	     p->psa_encryption_key[6], p->psa_encryption_key[7]);
-	printk(KERN_DEBUG "psa_databus_width: %d\n", p->psa_databus_width);
-	printk(KERN_DEBUG "psa_call_code/auto_squelch: 0x%02x, ",
-	       p->psa_call_code[0]);
-	printk
-	    ("psa_call_code[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-	     p->psa_call_code[0], p->psa_call_code[1], p->psa_call_code[2],
-	     p->psa_call_code[3], p->psa_call_code[4], p->psa_call_code[5],
-	     p->psa_call_code[6], p->psa_call_code[7]);
-#ifdef DEBUG_SHOW_UNUSED
-	printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
-	       p->psa_reserved[0],
-	       p->psa_reserved[1]);
-#endif				/* DEBUG_SHOW_UNUSED */
-	printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
-	printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
-	printk("psa_crc_status: 0x%02x\n", p->psa_crc_status);
-}				/* wv_psa_show */
-#endif				/* DEBUG_PSA_SHOW */
-
-#ifdef DEBUG_MMC_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the Modem Management Controller.
- * This function needs to be completed.
- */
-static void wv_mmc_show(struct net_device *dev)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	mmr_t m;
-
-	/*basic check */
-	if (hasr_read(ioaddr) & HASR_NO_CLK) {
-		printk(KERN_WARNING
-		       "%s: wv_mmc_show: modem not connected\n",
-		       dev->name);
-		return;
-	}
-
-	/* Read the mmc */
-	mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
-	mmc_read(ioaddr, 0, (u8 *) &m, sizeof(m));
-	mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
-
-	/* Don't forget to update statistics */
-	lp->wstats.discard.nwid +=
-	    (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
-
-	printk(KERN_DEBUG "##### WaveLAN modem status registers: #####\n");
-#ifdef DEBUG_SHOW_UNUSED
-	printk(KERN_DEBUG
-	       "mmc_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-	       m.mmr_unused0[0], m.mmr_unused0[1], m.mmr_unused0[2],
-	       m.mmr_unused0[3], m.mmr_unused0[4], m.mmr_unused0[5],
-	       m.mmr_unused0[6], m.mmr_unused0[7]);
-#endif				/* DEBUG_SHOW_UNUSED */
-	printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
-	       m.mmr_des_avail, m.mmr_des_status);
-#ifdef DEBUG_SHOW_UNUSED
-	printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
-	       m.mmr_unused1[0],
-	       m.mmr_unused1[1],
-	       m.mmr_unused1[2], m.mmr_unused1[3], m.mmr_unused1[4]);
-#endif				/* DEBUG_SHOW_UNUSED */
-	printk(KERN_DEBUG "dce_status: 0x%x [%s%s%s%s]\n",
-	       m.mmr_dce_status,
-	       (m.
-		mmr_dce_status & MMR_DCE_STATUS_RX_BUSY) ?
-	       "energy detected," : "",
-	       (m.
-		mmr_dce_status & MMR_DCE_STATUS_LOOPT_IND) ?
-	       "loop test indicated," : "",
-	       (m.
-		mmr_dce_status & MMR_DCE_STATUS_TX_BUSY) ?
-	       "transmitter on," : "",
-	       (m.
-		mmr_dce_status & MMR_DCE_STATUS_JBR_EXPIRED) ?
-	       "jabber timer expired," : "");
-	printk(KERN_DEBUG "Dsp ID: %02X\n", m.mmr_dsp_id);
-#ifdef DEBUG_SHOW_UNUSED
-	printk(KERN_DEBUG "mmc_unused2[]: %02X:%02X\n",
-	       m.mmr_unused2[0], m.mmr_unused2[1]);
-#endif				/* DEBUG_SHOW_UNUSED */
-	printk(KERN_DEBUG "# correct_nwid: %d, # wrong_nwid: %d\n",
-	       (m.mmr_correct_nwid_h << 8) | m.mmr_correct_nwid_l,
-	       (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l);
-	printk(KERN_DEBUG "thr_pre_set: 0x%x [current signal %s]\n",
-	       m.mmr_thr_pre_set & MMR_THR_PRE_SET,
-	       (m.
-		mmr_thr_pre_set & MMR_THR_PRE_SET_CUR) ? "above" :
-	       "below");
-	printk(KERN_DEBUG "signal_lvl: %d [%s], ",
-	       m.mmr_signal_lvl & MMR_SIGNAL_LVL,
-	       (m.
-		mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) ? "new msg" :
-	       "no new msg");
-	printk("silence_lvl: %d [%s], ",
-	       m.mmr_silence_lvl & MMR_SILENCE_LVL,
-	       (m.
-		mmr_silence_lvl & MMR_SILENCE_LVL_VALID) ? "update done" :
-	       "no new update");
-	printk("sgnl_qual: 0x%x [%s]\n", m.mmr_sgnl_qual & MMR_SGNL_QUAL,
-	       (m.
-		mmr_sgnl_qual & MMR_SGNL_QUAL_ANT) ? "Antenna 1" :
-	       "Antenna 0");
-#ifdef DEBUG_SHOW_UNUSED
-	printk(KERN_DEBUG "netw_id_l: %x\n", m.mmr_netw_id_l);
-#endif				/* DEBUG_SHOW_UNUSED */
-}				/* wv_mmc_show */
-#endif				/* DEBUG_MMC_SHOW */
-
-#ifdef DEBUG_I82586_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the last block of the i82586 memory.
- */
-static void wv_scb_show(unsigned long ioaddr)
-{
-	scb_t scb;
-
-	obram_read(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
-		   sizeof(scb));
-
-	printk(KERN_DEBUG "##### WaveLAN system control block: #####\n");
-
-	printk(KERN_DEBUG "status: ");
-	printk("stat 0x%x[%s%s%s%s] ",
-	       (scb.
-		scb_status & (SCB_ST_CX | SCB_ST_FR | SCB_ST_CNA |
-			      SCB_ST_RNR)) >> 12,
-	       (scb.
-		scb_status & SCB_ST_CX) ? "command completion interrupt," :
-	       "", (scb.scb_status & SCB_ST_FR) ? "frame received," : "",
-	       (scb.
-		scb_status & SCB_ST_CNA) ? "command unit not active," : "",
-	       (scb.
-		scb_status & SCB_ST_RNR) ? "receiving unit not ready," :
-	       "");
-	printk("cus 0x%x[%s%s%s] ", (scb.scb_status & SCB_ST_CUS) >> 8,
-	       ((scb.scb_status & SCB_ST_CUS) ==
-		SCB_ST_CUS_IDLE) ? "idle" : "",
-	       ((scb.scb_status & SCB_ST_CUS) ==
-		SCB_ST_CUS_SUSP) ? "suspended" : "",
-	       ((scb.scb_status & SCB_ST_CUS) ==
-		SCB_ST_CUS_ACTV) ? "active" : "");
-	printk("rus 0x%x[%s%s%s%s]\n", (scb.scb_status & SCB_ST_RUS) >> 4,
-	       ((scb.scb_status & SCB_ST_RUS) ==
-		SCB_ST_RUS_IDLE) ? "idle" : "",
-	       ((scb.scb_status & SCB_ST_RUS) ==
-		SCB_ST_RUS_SUSP) ? "suspended" : "",
-	       ((scb.scb_status & SCB_ST_RUS) ==
-		SCB_ST_RUS_NRES) ? "no resources" : "",
-	       ((scb.scb_status & SCB_ST_RUS) ==
-		SCB_ST_RUS_RDY) ? "ready" : "");
-
-	printk(KERN_DEBUG "command: ");
-	printk("ack 0x%x[%s%s%s%s] ",
-	       (scb.
-		scb_command & (SCB_CMD_ACK_CX | SCB_CMD_ACK_FR |
-			       SCB_CMD_ACK_CNA | SCB_CMD_ACK_RNR)) >> 12,
-	       (scb.
-		scb_command & SCB_CMD_ACK_CX) ? "ack cmd completion," : "",
-	       (scb.
-		scb_command & SCB_CMD_ACK_FR) ? "ack frame received," : "",
-	       (scb.
-		scb_command & SCB_CMD_ACK_CNA) ? "ack CU not active," : "",
-	       (scb.
-		scb_command & SCB_CMD_ACK_RNR) ? "ack RU not ready," : "");
-	printk("cuc 0x%x[%s%s%s%s%s] ",
-	       (scb.scb_command & SCB_CMD_CUC) >> 8,
-	       ((scb.scb_command & SCB_CMD_CUC) ==
-		SCB_CMD_CUC_NOP) ? "nop" : "",
-	       ((scb.scb_command & SCB_CMD_CUC) ==
-		SCB_CMD_CUC_GO) ? "start cbl_offset" : "",
-	       ((scb.scb_command & SCB_CMD_CUC) ==
-		SCB_CMD_CUC_RES) ? "resume execution" : "",
-	       ((scb.scb_command & SCB_CMD_CUC) ==
-		SCB_CMD_CUC_SUS) ? "suspend execution" : "",
-	       ((scb.scb_command & SCB_CMD_CUC) ==
-		SCB_CMD_CUC_ABT) ? "abort execution" : "");
-	printk("ruc 0x%x[%s%s%s%s%s]\n",
-	       (scb.scb_command & SCB_CMD_RUC) >> 4,
-	       ((scb.scb_command & SCB_CMD_RUC) ==
-		SCB_CMD_RUC_NOP) ? "nop" : "",
-	       ((scb.scb_command & SCB_CMD_RUC) ==
-		SCB_CMD_RUC_GO) ? "start rfa_offset" : "",
-	       ((scb.scb_command & SCB_CMD_RUC) ==
-		SCB_CMD_RUC_RES) ? "resume reception" : "",
-	       ((scb.scb_command & SCB_CMD_RUC) ==
-		SCB_CMD_RUC_SUS) ? "suspend reception" : "",
-	       ((scb.scb_command & SCB_CMD_RUC) ==
-		SCB_CMD_RUC_ABT) ? "abort reception" : "");
-
-	printk(KERN_DEBUG "cbl_offset 0x%x ", scb.scb_cbl_offset);
-	printk("rfa_offset 0x%x\n", scb.scb_rfa_offset);
-
-	printk(KERN_DEBUG "crcerrs %d ", scb.scb_crcerrs);
-	printk("alnerrs %d ", scb.scb_alnerrs);
-	printk("rscerrs %d ", scb.scb_rscerrs);
-	printk("ovrnerrs %d\n", scb.scb_ovrnerrs);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the i82586's receive unit.
- */
-static void wv_ru_show(struct net_device *dev)
-{
-	printk(KERN_DEBUG
-	       "##### WaveLAN i82586 receiver unit status: #####\n");
-	printk(KERN_DEBUG "ru:");
-	/*
-	 * Not implemented yet
-	 */
-	printk("\n");
-}				/* wv_ru_show */
-
-/*------------------------------------------------------------------*/
-/*
- * Display info about one control block of the i82586 memory.
- */
-static void wv_cu_show_one(struct net_device *dev, net_local * lp, int i, u16 p)
-{
-	unsigned long ioaddr;
-	ac_tx_t actx;
-
-	ioaddr = dev->base_addr;
-
-	printk("%d: 0x%x:", i, p);
-
-	obram_read(ioaddr, p, (unsigned char *) &actx, sizeof(actx));
-	printk(" status=0x%x,", actx.tx_h.ac_status);
-	printk(" command=0x%x,", actx.tx_h.ac_command);
-
-	/*
-	   {
-	   tbd_t      tbd;
-
-	   obram_read(ioaddr, actx.tx_tbd_offset, (unsigned char *)&tbd, sizeof(tbd));
-	   printk(" tbd_status=0x%x,", tbd.tbd_status);
-	   }
-	 */
-
-	printk("|");
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Print status of the command unit of the i82586.
- */
-static void wv_cu_show(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned int i;
-	u16 p;
-
-	printk(KERN_DEBUG
-	       "##### WaveLAN i82586 command unit status: #####\n");
-
-	printk(KERN_DEBUG);
-	for (i = 0, p = lp->tx_first_in_use; i < NTXBLOCKS; i++) {
-		wv_cu_show_one(dev, lp, i, p);
-
-		p += TXBLOCKZ;
-		if (p >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
-			p -= NTXBLOCKS * TXBLOCKZ;
-	}
-	printk("\n");
-}
-#endif				/* DEBUG_I82586_SHOW */
-
-#ifdef DEBUG_DEVICE_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the WaveLAN PCMCIA device driver.
- */
-static void wv_dev_show(struct net_device *dev)
-{
-	printk(KERN_DEBUG "dev:");
-	printk(" state=%lX,", dev->state);
-	printk(" trans_start=%ld,", dev->trans_start);
-	printk(" flags=0x%x,", dev->flags);
-	printk("\n");
-}				/* wv_dev_show */
-
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the WaveLAN PCMCIA device driver's
- * private information.
- */
-static void wv_local_show(struct net_device *dev)
-{
-	net_local *lp;
-
-	lp = netdev_priv(dev);
-
-	printk(KERN_DEBUG "local:");
-	printk(" tx_n_in_use=%d,", lp->tx_n_in_use);
-	printk(" hacr=0x%x,", lp->hacr);
-	printk(" rx_head=0x%x,", lp->rx_head);
-	printk(" rx_last=0x%x,", lp->rx_last);
-	printk(" tx_first_free=0x%x,", lp->tx_first_free);
-	printk(" tx_first_in_use=0x%x,", lp->tx_first_in_use);
-	printk("\n");
-}				/* wv_local_show */
-#endif				/* DEBUG_DEVICE_SHOW */
-
-#if defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO)
-/*------------------------------------------------------------------*/
-/*
- * Dump packet header (and content if necessary) on the screen
- */
-static inline void wv_packet_info(u8 * p,	/* Packet to dump */
-				  int length,	/* Length of the packet */
-				  char *msg1,	/* Name of the device */
-				  char *msg2)
-{				/* Name of the function */
-	int i;
-	int maxi;
-
-	printk(KERN_DEBUG
-	       "%s: %s(): dest %pM, length %d\n",
-	       msg1, msg2, p, length);
-	printk(KERN_DEBUG
-	       "%s: %s(): src %pM, type 0x%02X%02X\n",
-	       msg1, msg2, &p[6], p[12], p[13]);
-
-#ifdef DEBUG_PACKET_DUMP
-
-	printk(KERN_DEBUG "data=\"");
-
-	if ((maxi = length) > DEBUG_PACKET_DUMP)
-		maxi = DEBUG_PACKET_DUMP;
-	for (i = 14; i < maxi; i++)
-		if (p[i] >= ' ' && p[i] <= '~')
-			printk(" %c", p[i]);
-		else
-			printk("%02X", p[i]);
-	if (maxi < length)
-		printk("..");
-	printk("\"\n");
-	printk(KERN_DEBUG "\n");
-#endif				/* DEBUG_PACKET_DUMP */
-}
-#endif				/* defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO) */
-
-/*------------------------------------------------------------------*/
-/*
- * This is the information which is displayed by the driver at startup.
- * There are lots of flags for configuring it to your liking.
- */
-static void wv_init_info(struct net_device *dev)
-{
-	short ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-
-	/* Read the parameter storage area */
-	psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
-
-#ifdef DEBUG_PSA_SHOW
-	wv_psa_show(&psa);
-#endif
-#ifdef DEBUG_MMC_SHOW
-	wv_mmc_show(dev);
-#endif
-#ifdef DEBUG_I82586_SHOW
-	wv_cu_show(dev);
-#endif
-
-#ifdef DEBUG_BASIC_SHOW
-	/* Now, let's go for the basic stuff. */
-	printk(KERN_NOTICE "%s: WaveLAN at %#x, %pM, IRQ %d",
-	       dev->name, ioaddr, dev->dev_addr, dev->irq);
-
-	/* Print current network ID. */
-	if (psa.psa_nwid_select)
-		printk(", nwid 0x%02X-%02X", psa.psa_nwid[0],
-		       psa.psa_nwid[1]);
-	else
-		printk(", nwid off");
-
-	/* If 2.00 card */
-	if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
-	      (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
-		unsigned short freq;
-
-		/* Ask the EEPROM to read the frequency from the first area. */
-		fee_read(ioaddr, 0x00, &freq, 1);
-
-		/* Print frequency */
-		printk(", 2.00, %ld", (freq >> 6) + 2400L);
-
-		/* Hack! */
-		if (freq & 0x20)
-			printk(".5");
-	} else {
-		printk(", PC");
-		switch (psa.psa_comp_number) {
-		case PSA_COMP_PC_AT_915:
-		case PSA_COMP_PC_AT_2400:
-			printk("-AT");
-			break;
-		case PSA_COMP_PC_MC_915:
-		case PSA_COMP_PC_MC_2400:
-			printk("-MC");
-			break;
-		case PSA_COMP_PCMCIA_915:
-			printk("MCIA");
-			break;
-		default:
-			printk("?");
-		}
-		printk(", ");
-		switch (psa.psa_subband) {
-		case PSA_SUBBAND_915:
-			printk("915");
-			break;
-		case PSA_SUBBAND_2425:
-			printk("2425");
-			break;
-		case PSA_SUBBAND_2460:
-			printk("2460");
-			break;
-		case PSA_SUBBAND_2484:
-			printk("2484");
-			break;
-		case PSA_SUBBAND_2430_5:
-			printk("2430.5");
-			break;
-		default:
-			printk("?");
-		}
-	}
-
-	printk(" MHz\n");
-#endif				/* DEBUG_BASIC_SHOW */
-
-#ifdef DEBUG_VERSION_SHOW
-	/* Print version information */
-	printk(KERN_NOTICE "%s", version);
-#endif
-}				/* wv_init_info */
-
-/********************* IOCTL, STATS & RECONFIG *********************/
-/*
- * We found here routines that are called by Linux on different
- * occasions after the configuration and not for transmitting data
- * These may be called when the user use ifconfig, /proc/net/dev
- * or wireless extensions
- */
-
-
-/*------------------------------------------------------------------*/
-/*
- * Set or clear the multicast filter for this adaptor.
- * num_addrs == -1	Promiscuous mode, receive all packets
- * num_addrs == 0	Normal mode, clear multicast list
- * num_addrs > 0	Multicast mode, receive normal and MC packets,
- *			and do best-effort filtering.
- */
-static void wavelan_set_multicast_list(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-
-#ifdef DEBUG_IOCTL_TRACE
-	printk(KERN_DEBUG "%s: ->wavelan_set_multicast_list()\n",
-	       dev->name);
-#endif
-
-#ifdef DEBUG_IOCTL_INFO
-	printk(KERN_DEBUG
-	       "%s: wavelan_set_multicast_list(): setting Rx mode %02X to %d addresses.\n",
-	       dev->name, dev->flags, netdev_mc_count(dev));
-#endif
-
-	/* Are we asking for promiscuous mode,
-	 * or all multicast addresses (we don't have that!)
-	 * or too many multicast addresses for the hardware filter? */
-	if ((dev->flags & IFF_PROMISC) ||
-	    (dev->flags & IFF_ALLMULTI) ||
-	    (netdev_mc_count(dev) > I82586_MAX_MULTICAST_ADDRESSES)) {
-		/*
-		 * Enable promiscuous mode: receive all packets.
-		 */
-		if (!lp->promiscuous) {
-			lp->promiscuous = 1;
-			lp->mc_count = 0;
-
-			wv_82586_reconfig(dev);
-		}
-	} else
-		/* Are there multicast addresses to send? */
-	if (!netdev_mc_empty(dev)) {
-		/*
-		 * Disable promiscuous mode, but receive all packets
-		 * in multicast list
-		 */
-#ifdef MULTICAST_AVOID
-		if (lp->promiscuous || (netdev_mc_count(dev) != lp->mc_count))
-#endif
-		{
-			lp->promiscuous = 0;
-			lp->mc_count = netdev_mc_count(dev);
-
-			wv_82586_reconfig(dev);
-		}
-	} else {
-		/*
-		 * Switch to normal mode: disable promiscuous mode and 
-		 * clear the multicast list.
-		 */
-		if (lp->promiscuous || lp->mc_count == 0) {
-			lp->promiscuous = 0;
-			lp->mc_count = 0;
-
-			wv_82586_reconfig(dev);
-		}
-	}
-#ifdef DEBUG_IOCTL_TRACE
-	printk(KERN_DEBUG "%s: <-wavelan_set_multicast_list()\n",
-	       dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This function doesn't exist.
- * (Note : it was a nice way to test the reconfigure stuff...)
- */
-#ifdef SET_MAC_ADDRESS
-static int wavelan_set_mac_address(struct net_device *dev, void *addr)
-{
-	struct sockaddr *mac = addr;
-
-	/* Copy the address. */
-	memcpy(dev->dev_addr, mac->sa_data, WAVELAN_ADDR_SIZE);
-
-	/* Reconfigure the beast. */
-	wv_82586_reconfig(dev);
-
-	return 0;
-}
-#endif				/* SET_MAC_ADDRESS */
-
-
-/*------------------------------------------------------------------*/
-/*
- * Frequency setting (for hardware capable of it)
- * It's a bit complicated and you don't really want to look into it.
- * (called in wavelan_ioctl)
- */
-static int wv_set_frequency(unsigned long ioaddr,	/* I/O port of the card */
-				   iw_freq * frequency)
-{
-	const int BAND_NUM = 10;	/* Number of bands */
-	long freq = 0L;		/* offset to 2.4 GHz in .5 MHz */
-#ifdef DEBUG_IOCTL_INFO
-	int i;
-#endif
-
-	/* Setting by frequency */
-	/* Theoretically, you may set any frequency between
-	 * the two limits with a 0.5 MHz precision. In practice,
-	 * I don't want you to have trouble with local regulations.
-	 */
-	if ((frequency->e == 1) &&
-	    (frequency->m >= (int) 2.412e8)
-	    && (frequency->m <= (int) 2.487e8)) {
-		freq = ((frequency->m / 10000) - 24000L) / 5;
-	}
-
-	/* Setting by channel (same as wfreqsel) */
-	/* Warning: each channel is 22 MHz wide, so some of the channels
-	 * will interfere. */
-	if ((frequency->e == 0) && (frequency->m < BAND_NUM)) {
-		/* Get frequency offset. */
-		freq = channel_bands[frequency->m] >> 1;
-	}
-
-	/* Verify that the frequency is allowed. */
-	if (freq != 0L) {
-		u16 table[10];	/* Authorized frequency table */
-
-		/* Read the frequency table. */
-		fee_read(ioaddr, 0x71, table, 10);
-
-#ifdef DEBUG_IOCTL_INFO
-		printk(KERN_DEBUG "Frequency table: ");
-		for (i = 0; i < 10; i++) {
-			printk(" %04X", table[i]);
-		}
-		printk("\n");
-#endif
-
-		/* Look in the table to see whether the frequency is allowed. */
-		if (!(table[9 - ((freq - 24) / 16)] &
-		      (1 << ((freq - 24) % 16)))) return -EINVAL;	/* not allowed */
-	} else
-		return -EINVAL;
-
-	/* if we get a usable frequency */
-	if (freq != 0L) {
-		unsigned short area[16];
-		unsigned short dac[2];
-		unsigned short area_verify[16];
-		unsigned short dac_verify[2];
-		/* Corresponding gain (in the power adjust value table)
-		 * See AT&T WaveLAN Data Manual, REF 407-024689/E, page 3-8
-		 * and WCIN062D.DOC, page 6.2.9. */
-		unsigned short power_limit[] = { 40, 80, 120, 160, 0 };
-		int power_band = 0;	/* Selected band */
-		unsigned short power_adjust;	/* Correct value */
-
-		/* Search for the gain. */
-		power_band = 0;
-		while ((freq > power_limit[power_band]) &&
-		       (power_limit[++power_band] != 0));
-
-		/* Read the first area. */
-		fee_read(ioaddr, 0x00, area, 16);
-
-		/* Read the DAC. */
-		fee_read(ioaddr, 0x60, dac, 2);
-
-		/* Read the new power adjust value. */
-		fee_read(ioaddr, 0x6B - (power_band >> 1), &power_adjust,
-			 1);
-		if (power_band & 0x1)
-			power_adjust >>= 8;
-		else
-			power_adjust &= 0xFF;
-
-#ifdef DEBUG_IOCTL_INFO
-		printk(KERN_DEBUG "WaveLAN EEPROM Area 1: ");
-		for (i = 0; i < 16; i++) {
-			printk(" %04X", area[i]);
-		}
-		printk("\n");
-
-		printk(KERN_DEBUG "WaveLAN EEPROM DAC: %04X %04X\n",
-		       dac[0], dac[1]);
-#endif
-
-		/* Frequency offset (for info only) */
-		area[0] = ((freq << 5) & 0xFFE0) | (area[0] & 0x1F);
-
-		/* Receiver Principle main divider coefficient */
-		area[3] = (freq >> 1) + 2400L - 352L;
-		area[2] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
-
-		/* Transmitter Main divider coefficient */
-		area[13] = (freq >> 1) + 2400L;
-		area[12] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
-
-		/* Other parts of the area are flags, bit streams or unused. */
-
-		/* Set the value in the DAC. */
-		dac[1] = ((power_adjust >> 1) & 0x7F) | (dac[1] & 0xFF80);
-		dac[0] = ((power_adjust & 0x1) << 4) | (dac[0] & 0xFFEF);
-
-		/* Write the first area. */
-		fee_write(ioaddr, 0x00, area, 16);
-
-		/* Write the DAC. */
-		fee_write(ioaddr, 0x60, dac, 2);
-
-		/* We now should verify here that the writing of the EEPROM went OK. */
-
-		/* Reread the first area. */
-		fee_read(ioaddr, 0x00, area_verify, 16);
-
-		/* Reread the DAC. */
-		fee_read(ioaddr, 0x60, dac_verify, 2);
-
-		/* Compare. */
-		if (memcmp(area, area_verify, 16 * 2) ||
-		    memcmp(dac, dac_verify, 2 * 2)) {
-#ifdef DEBUG_IOCTL_ERROR
-			printk(KERN_INFO
-			       "WaveLAN: wv_set_frequency: unable to write new frequency to EEPROM(?).\n");
-#endif
-			return -EOPNOTSUPP;
-		}
-
-		/* We must download the frequency parameters to the
-		 * synthesizers (from the EEPROM - area 1)
-		 * Note: as the EEPROM is automatically decremented, we set the end
-		 * if the area... */
-		mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x0F);
-		mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
-			MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
-
-		/* Wait until the download is finished. */
-		fee_wait(ioaddr, 100, 100);
-
-		/* We must now download the power adjust value (gain) to
-		 * the synthesizers (from the EEPROM - area 7 - DAC). */
-		mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x61);
-		mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
-			MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
-
-		/* Wait for the download to finish. */
-		fee_wait(ioaddr, 100, 100);
-
-#ifdef DEBUG_IOCTL_INFO
-		/* Verification of what we have done */
-
-		printk(KERN_DEBUG "WaveLAN EEPROM Area 1: ");
-		for (i = 0; i < 16; i++) {
-			printk(" %04X", area_verify[i]);
-		}
-		printk("\n");
-
-		printk(KERN_DEBUG "WaveLAN EEPROM DAC:  %04X %04X\n",
-		       dac_verify[0], dac_verify[1]);
-#endif
-
-		return 0;
-	} else
-		return -EINVAL;	/*bah, never get there... */
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Give the list of available frequencies.
- */
-static int wv_frequency_list(unsigned long ioaddr,	/* I/O port of the card */
-				    iw_freq * list,	/* List of frequencies to fill */
-				    int max)
-{				/* Maximum number of frequencies */
-	u16 table[10];	/* Authorized frequency table */
-	long freq = 0L;		/* offset to 2.4 GHz in .5 MHz + 12 MHz */
-	int i;			/* index in the table */
-	int c = 0;		/* Channel number */
-
-	/* Read the frequency table. */
-	fee_read(ioaddr, 0x71 /* frequency table */ , table, 10);
-
-	/* Check all frequencies. */
-	i = 0;
-	for (freq = 0; freq < 150; freq++)
-		/* Look in the table if the frequency is allowed */
-		if (table[9 - (freq / 16)] & (1 << (freq % 16))) {
-			/* Compute approximate channel number */
-			while ((c < ARRAY_SIZE(channel_bands)) &&
-				(((channel_bands[c] >> 1) - 24) < freq)) 
-				c++;
-			list[i].i = c;	/* Set the list index */
-
-			/* put in the list */
-			list[i].m = (((freq + 24) * 5) + 24000L) * 10000;
-			list[i++].e = 1;
-
-			/* Check number. */
-			if (i >= max)
-				return (i);
-		}
-
-	return (i);
-}
-
-#ifdef IW_WIRELESS_SPY
-/*------------------------------------------------------------------*/
-/*
- * Gather wireless spy statistics:  for each packet, compare the source
- * address with our list, and if they match, get the statistics.
- * Sorry, but this function really needs the wireless extensions.
- */
-static inline void wl_spy_gather(struct net_device *dev,
-				 u8 *	mac,	/* MAC address */
-				 u8 *	stats)	/* Statistics to gather */
-{
-	struct iw_quality wstats;
-
-	wstats.qual = stats[2] & MMR_SGNL_QUAL;
-	wstats.level = stats[0] & MMR_SIGNAL_LVL;
-	wstats.noise = stats[1] & MMR_SILENCE_LVL;
-	wstats.updated = 0x7;
-
-	/* Update spy records */
-	wireless_spy_update(dev, mac, &wstats);
-}
-#endif /* IW_WIRELESS_SPY */
-
-#ifdef HISTOGRAM
-/*------------------------------------------------------------------*/
-/*
- * This function calculates a histogram of the signal level.
- * As the noise is quite constant, it's like doing it on the SNR.
- * We have defined a set of interval (lp->his_range), and each time
- * the level goes in that interval, we increment the count (lp->his_sum).
- * With this histogram you may detect if one WaveLAN is really weak,
- * or you may also calculate the mean and standard deviation of the level.
- */
-static inline void wl_his_gather(struct net_device *dev, u8 * stats)
-{				/* Statistics to gather */
-	net_local *lp = netdev_priv(dev);
-	u8 level = stats[0] & MMR_SIGNAL_LVL;
-	int i;
-
-	/* Find the correct interval. */
-	i = 0;
-	while ((i < (lp->his_number - 1))
-	       && (level >= lp->his_range[i++]));
-
-	/* Increment interval counter. */
-	(lp->his_sum[i])++;
-}
-#endif /* HISTOGRAM */
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get protocol name
- */
-static int wavelan_get_name(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	strcpy(wrqu->name, "WaveLAN");
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set NWID
- */
-static int wavelan_set_nwid(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	psa_t psa;
-	mm_t m;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Set NWID in WaveLAN. */
-	if (!wrqu->nwid.disabled) {
-		/* Set NWID in psa */
-		psa.psa_nwid[0] = (wrqu->nwid.value & 0xFF00) >> 8;
-		psa.psa_nwid[1] = wrqu->nwid.value & 0xFF;
-		psa.psa_nwid_select = 0x01;
-		psa_write(ioaddr, lp->hacr,
-			  (char *) psa.psa_nwid - (char *) &psa,
-			  (unsigned char *) psa.psa_nwid, 3);
-
-		/* Set NWID in mmc. */
-		m.w.mmw_netw_id_l = psa.psa_nwid[1];
-		m.w.mmw_netw_id_h = psa.psa_nwid[0];
-		mmc_write(ioaddr,
-			  (char *) &m.w.mmw_netw_id_l -
-			  (char *) &m,
-			  (unsigned char *) &m.w.mmw_netw_id_l, 2);
-		mmc_out(ioaddr, mmwoff(0, mmw_loopt_sel), 0x00);
-	} else {
-		/* Disable NWID in the psa. */
-		psa.psa_nwid_select = 0x00;
-		psa_write(ioaddr, lp->hacr,
-			  (char *) &psa.psa_nwid_select -
-			  (char *) &psa,
-			  (unsigned char *) &psa.psa_nwid_select,
-			  1);
-
-		/* Disable NWID in the mmc (no filtering). */
-		mmc_out(ioaddr, mmwoff(0, mmw_loopt_sel),
-			MMW_LOOPT_SEL_DIS_NWID);
-	}
-	/* update the Wavelan checksum */
-	update_psa_checksum(dev, ioaddr, lp->hacr);
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get NWID 
- */
-static int wavelan_get_nwid(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Read the NWID. */
-	psa_read(ioaddr, lp->hacr,
-		 (char *) psa.psa_nwid - (char *) &psa,
-		 (unsigned char *) psa.psa_nwid, 3);
-	wrqu->nwid.value = (psa.psa_nwid[0] << 8) + psa.psa_nwid[1];
-	wrqu->nwid.disabled = !(psa.psa_nwid_select);
-	wrqu->nwid.fixed = 1;	/* Superfluous */
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set frequency
- */
-static int wavelan_set_freq(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	unsigned long flags;
-	int ret;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
-	if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
-	      (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
-		ret = wv_set_frequency(ioaddr, &(wrqu->freq));
-	else
-		ret = -EOPNOTSUPP;
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get frequency
- */
-static int wavelan_get_freq(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable).
-	 * Does it work for everybody, especially old cards? */
-	if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
-	      (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
-		unsigned short freq;
-
-		/* Ask the EEPROM to read the frequency from the first area. */
-		fee_read(ioaddr, 0x00, &freq, 1);
-		wrqu->freq.m = ((freq >> 5) * 5 + 24000L) * 10000;
-		wrqu->freq.e = 1;
-	} else {
-		psa_read(ioaddr, lp->hacr,
-			 (char *) &psa.psa_subband - (char *) &psa,
-			 (unsigned char *) &psa.psa_subband, 1);
-
-		if (psa.psa_subband <= 4) {
-			wrqu->freq.m = fixed_bands[psa.psa_subband];
-			wrqu->freq.e = (psa.psa_subband != 0);
-		} else
-			ret = -EOPNOTSUPP;
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set level threshold
- */
-static int wavelan_set_sens(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Set the level threshold. */
-	/* We should complain loudly if wrqu->sens.fixed = 0, because we
-	 * can't set auto mode... */
-	psa.psa_thr_pre_set = wrqu->sens.value & 0x3F;
-	psa_write(ioaddr, lp->hacr,
-		  (char *) &psa.psa_thr_pre_set - (char *) &psa,
-		  (unsigned char *) &psa.psa_thr_pre_set, 1);
-	/* update the Wavelan checksum */
-	update_psa_checksum(dev, ioaddr, lp->hacr);
-	mmc_out(ioaddr, mmwoff(0, mmw_thr_pre_set),
-		psa.psa_thr_pre_set);
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get level threshold
- */
-static int wavelan_get_sens(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Read the level threshold. */
-	psa_read(ioaddr, lp->hacr,
-		 (char *) &psa.psa_thr_pre_set - (char *) &psa,
-		 (unsigned char *) &psa.psa_thr_pre_set, 1);
-	wrqu->sens.value = psa.psa_thr_pre_set & 0x3F;
-	wrqu->sens.fixed = 1;
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set encryption key
- */
-static int wavelan_set_encode(struct net_device *dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *wrqu,
-			      char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	unsigned long flags;
-	psa_t psa;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-
-	/* Check if capable of encryption */
-	if (!mmc_encr(ioaddr)) {
-		ret = -EOPNOTSUPP;
-	}
-
-	/* Check the size of the key */
-	if((wrqu->encoding.length != 8) && (wrqu->encoding.length != 0)) {
-		ret = -EINVAL;
-	}
-
-	if(!ret) {
-		/*basic checking... */
-		if (wrqu->encoding.length == 8) {
-			/* Copy the key in the driver */
-			memcpy(psa.psa_encryption_key, extra,
-			       wrqu->encoding.length);
-			psa.psa_encryption_select = 1;
-
-			psa_write(ioaddr, lp->hacr,
-				  (char *) &psa.psa_encryption_select -
-				  (char *) &psa,
-				  (unsigned char *) &psa.
-				  psa_encryption_select, 8 + 1);
-
-			mmc_out(ioaddr, mmwoff(0, mmw_encr_enable),
-				MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE);
-			mmc_write(ioaddr, mmwoff(0, mmw_encr_key),
-				  (unsigned char *) &psa.
-				  psa_encryption_key, 8);
-		}
-
-		/* disable encryption */
-		if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
-			psa.psa_encryption_select = 0;
-			psa_write(ioaddr, lp->hacr,
-				  (char *) &psa.psa_encryption_select -
-				  (char *) &psa,
-				  (unsigned char *) &psa.
-				  psa_encryption_select, 1);
-
-			mmc_out(ioaddr, mmwoff(0, mmw_encr_enable), 0);
-		}
-		/* update the Wavelan checksum */
-		update_psa_checksum(dev, ioaddr, lp->hacr);
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get encryption key
- */
-static int wavelan_get_encode(struct net_device *dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *wrqu,
-			      char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Check if encryption is available */
-	if (!mmc_encr(ioaddr)) {
-		ret = -EOPNOTSUPP;
-	} else {
-		/* Read the encryption key */
-		psa_read(ioaddr, lp->hacr,
-			 (char *) &psa.psa_encryption_select -
-			 (char *) &psa,
-			 (unsigned char *) &psa.
-			 psa_encryption_select, 1 + 8);
-
-		/* encryption is enabled ? */
-		if (psa.psa_encryption_select)
-			wrqu->encoding.flags = IW_ENCODE_ENABLED;
-		else
-			wrqu->encoding.flags = IW_ENCODE_DISABLED;
-		wrqu->encoding.flags |= mmc_encr(ioaddr);
-
-		/* Copy the key to the user buffer */
-		wrqu->encoding.length = 8;
-		memcpy(extra, psa.psa_encryption_key, wrqu->encoding.length);
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get range info
- */
-static int wavelan_get_range(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	struct iw_range *range = (struct iw_range *) extra;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Set the length (very important for backward compatibility) */
-	wrqu->data.length = sizeof(struct iw_range);
-
-	/* Set all the info we don't care or don't know about to zero */
-	memset(range, 0, sizeof(struct iw_range));
-
-	/* Set the Wireless Extension versions */
-	range->we_version_compiled = WIRELESS_EXT;
-	range->we_version_source = 9;
-
-	/* Set information in the range struct.  */
-	range->throughput = 1.6 * 1000 * 1000;	/* don't argue on this ! */
-	range->min_nwid = 0x0000;
-	range->max_nwid = 0xFFFF;
-
-	range->sensitivity = 0x3F;
-	range->max_qual.qual = MMR_SGNL_QUAL;
-	range->max_qual.level = MMR_SIGNAL_LVL;
-	range->max_qual.noise = MMR_SILENCE_LVL;
-	range->avg_qual.qual = MMR_SGNL_QUAL; /* Always max */
-	/* Need to get better values for those two */
-	range->avg_qual.level = 30;
-	range->avg_qual.noise = 8;
-
-	range->num_bitrates = 1;
-	range->bitrate[0] = 2000000;	/* 2 Mb/s */
-
-	/* Event capability (kernel + driver) */
-	range->event_capa[0] = (IW_EVENT_CAPA_MASK(0x8B02) |
-				IW_EVENT_CAPA_MASK(0x8B04));
-	range->event_capa[1] = IW_EVENT_CAPA_K_1;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
-	if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
-	      (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
-		range->num_channels = 10;
-		range->num_frequency = wv_frequency_list(ioaddr, range->freq,
-							IW_MAX_FREQUENCIES);
-	} else
-		range->num_channels = range->num_frequency = 0;
-
-	/* Encryption supported ? */
-	if (mmc_encr(ioaddr)) {
-		range->encoding_size[0] = 8;	/* DES = 64 bits key */
-		range->num_encoding_sizes = 1;
-		range->max_encoding_tokens = 1;	/* Only one key possible */
-	} else {
-		range->num_encoding_sizes = 0;
-		range->max_encoding_tokens = 0;
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set quality threshold
- */
-static int wavelan_set_qthr(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	psa_t psa;
-	unsigned long flags;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	psa.psa_quality_thr = *(extra) & 0x0F;
-	psa_write(ioaddr, lp->hacr,
-		  (char *) &psa.psa_quality_thr - (char *) &psa,
-		  (unsigned char *) &psa.psa_quality_thr, 1);
-	/* update the Wavelan checksum */
-	update_psa_checksum(dev, ioaddr, lp->hacr);
-	mmc_out(ioaddr, mmwoff(0, mmw_quality_thr),
-		psa.psa_quality_thr);
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get quality threshold
- */
-static int wavelan_get_qthr(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-	psa_t psa;
-	unsigned long flags;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	psa_read(ioaddr, lp->hacr,
-		 (char *) &psa.psa_quality_thr - (char *) &psa,
-		 (unsigned char *) &psa.psa_quality_thr, 1);
-	*(extra) = psa.psa_quality_thr & 0x0F;
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return 0;
-}
-
-#ifdef HISTOGRAM
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set histogram
- */
-static int wavelan_set_histo(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-
-	/* Check the number of intervals. */
-	if (wrqu->data.length > 16) {
-		return(-E2BIG);
-	}
-
-	/* Disable histo while we copy the addresses.
-	 * As we don't disable interrupts, we need to do this */
-	lp->his_number = 0;
-
-	/* Are there ranges to copy? */
-	if (wrqu->data.length > 0) {
-		/* Copy interval ranges to the driver */
-		memcpy(lp->his_range, extra, wrqu->data.length);
-
-		{
-		  int i;
-		  printk(KERN_DEBUG "Histo :");
-		  for(i = 0; i < wrqu->data.length; i++)
-		    printk(" %d", lp->his_range[i]);
-		  printk("\n");
-		}
-
-		/* Reset result structure. */
-		memset(lp->his_sum, 0x00, sizeof(long) * 16);
-	}
-
-	/* Now we can set the number of ranges */
-	lp->his_number = wrqu->data.length;
-
-	return(0);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get histogram
- */
-static int wavelan_get_histo(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	net_local *lp = netdev_priv(dev);	/* lp is not unused */
-
-	/* Set the number of intervals. */
-	wrqu->data.length = lp->his_number;
-
-	/* Give back the distribution statistics */
-	if(lp->his_number > 0)
-		memcpy(extra, lp->his_sum, sizeof(long) * lp->his_number);
-
-	return(0);
-}
-#endif			/* HISTOGRAM */
-
-/*------------------------------------------------------------------*/
-/*
- * Structures to export the Wireless Handlers
- */
-
-static const iw_handler		wavelan_handler[] =
-{
-	NULL,				/* SIOCSIWNAME */
-	wavelan_get_name,		/* SIOCGIWNAME */
-	wavelan_set_nwid,		/* SIOCSIWNWID */
-	wavelan_get_nwid,		/* SIOCGIWNWID */
-	wavelan_set_freq,		/* SIOCSIWFREQ */
-	wavelan_get_freq,		/* SIOCGIWFREQ */
-	NULL,				/* SIOCSIWMODE */
-	NULL,				/* SIOCGIWMODE */
-	wavelan_set_sens,		/* SIOCSIWSENS */
-	wavelan_get_sens,		/* SIOCGIWSENS */
-	NULL,				/* SIOCSIWRANGE */
-	wavelan_get_range,		/* SIOCGIWRANGE */
-	NULL,				/* SIOCSIWPRIV */
-	NULL,				/* SIOCGIWPRIV */
-	NULL,				/* SIOCSIWSTATS */
-	NULL,				/* SIOCGIWSTATS */
-	iw_handler_set_spy,		/* SIOCSIWSPY */
-	iw_handler_get_spy,		/* SIOCGIWSPY */
-	iw_handler_set_thrspy,		/* SIOCSIWTHRSPY */
-	iw_handler_get_thrspy,		/* SIOCGIWTHRSPY */
-	NULL,				/* SIOCSIWAP */
-	NULL,				/* SIOCGIWAP */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCGIWAPLIST */
-	NULL,				/* -- hole -- */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCSIWESSID */
-	NULL,				/* SIOCGIWESSID */
-	NULL,				/* SIOCSIWNICKN */
-	NULL,				/* SIOCGIWNICKN */
-	NULL,				/* -- hole -- */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCSIWRATE */
-	NULL,				/* SIOCGIWRATE */
-	NULL,				/* SIOCSIWRTS */
-	NULL,				/* SIOCGIWRTS */
-	NULL,				/* SIOCSIWFRAG */
-	NULL,				/* SIOCGIWFRAG */
-	NULL,				/* SIOCSIWTXPOW */
-	NULL,				/* SIOCGIWTXPOW */
-	NULL,				/* SIOCSIWRETRY */
-	NULL,				/* SIOCGIWRETRY */
-	/*bummer ! Why those are only at the end ??? */
-	wavelan_set_encode,		/* SIOCSIWENCODE */
-	wavelan_get_encode,		/* SIOCGIWENCODE */
-};
-
-static const iw_handler		wavelan_private_handler[] =
-{
-	wavelan_set_qthr,		/* SIOCIWFIRSTPRIV */
-	wavelan_get_qthr,		/* SIOCIWFIRSTPRIV + 1 */
-#ifdef HISTOGRAM
-	wavelan_set_histo,		/* SIOCIWFIRSTPRIV + 2 */
-	wavelan_get_histo,		/* SIOCIWFIRSTPRIV + 3 */
-#endif	/* HISTOGRAM */
-};
-
-static const struct iw_priv_args wavelan_private_args[] = {
-/*{ cmd,         set_args,                            get_args, name } */
-  { SIOCSIPQTHR, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setqualthr" },
-  { SIOCGIPQTHR, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getqualthr" },
-  { SIOCSIPHISTO, IW_PRIV_TYPE_BYTE | 16,                    0, "sethisto" },
-  { SIOCGIPHISTO, 0,                     IW_PRIV_TYPE_INT | 16, "gethisto" },
-};
-
-static const struct iw_handler_def	wavelan_handler_def =
-{
-	.num_standard	= ARRAY_SIZE(wavelan_handler),
-	.num_private	= ARRAY_SIZE(wavelan_private_handler),
-	.num_private_args = ARRAY_SIZE(wavelan_private_args),
-	.standard	= wavelan_handler,
-	.private	= wavelan_private_handler,
-	.private_args	= wavelan_private_args,
-	.get_wireless_stats = wavelan_get_wireless_stats,
-};
-
-/*------------------------------------------------------------------*/
-/*
- * Get wireless statistics.
- * Called by /proc/net/wireless
- */
-static iw_stats *wavelan_get_wireless_stats(struct net_device *dev)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	mmr_t m;
-	iw_stats *wstats;
-	unsigned long flags;
-
-#ifdef DEBUG_IOCTL_TRACE
-	printk(KERN_DEBUG "%s: ->wavelan_get_wireless_stats()\n",
-	       dev->name);
-#endif
-
-	/* Check */
-	if (lp == (net_local *) NULL)
-		return (iw_stats *) NULL;
-	
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	wstats = &lp->wstats;
-
-	/* Get data from the mmc. */
-	mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
-
-	mmc_read(ioaddr, mmroff(0, mmr_dce_status), &m.mmr_dce_status, 1);
-	mmc_read(ioaddr, mmroff(0, mmr_wrong_nwid_l), &m.mmr_wrong_nwid_l,
-		 2);
-	mmc_read(ioaddr, mmroff(0, mmr_thr_pre_set), &m.mmr_thr_pre_set,
-		 4);
-
-	mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
-
-	/* Copy data to wireless stuff. */
-	wstats->status = m.mmr_dce_status & MMR_DCE_STATUS;
-	wstats->qual.qual = m.mmr_sgnl_qual & MMR_SGNL_QUAL;
-	wstats->qual.level = m.mmr_signal_lvl & MMR_SIGNAL_LVL;
-	wstats->qual.noise = m.mmr_silence_lvl & MMR_SILENCE_LVL;
-	wstats->qual.updated = (((m. mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 7) 
-			| ((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 6) 
-			| ((m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) >> 5));
-	wstats->discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
-	wstats->discard.code = 0L;
-	wstats->discard.misc = 0L;
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_IOCTL_TRACE
-	printk(KERN_DEBUG "%s: <-wavelan_get_wireless_stats()\n",
-	       dev->name);
-#endif
-	return &lp->wstats;
-}
-
-/************************* PACKET RECEPTION *************************/
-/*
- * This part deals with receiving the packets.
- * The interrupt handler gets an interrupt when a packet has been
- * successfully received and calls this part.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does the actual copying of data (including the Ethernet
- * header structure) from the WaveLAN card to an sk_buff chain that
- * will be passed up to the network interface layer. NOTE: we
- * currently don't handle trailer protocols (neither does the rest of
- * the network interface), so if that is needed, it will (at least in
- * part) be added here.  The contents of the receive ring buffer are
- * copied to a message chain that is then passed to the kernel.
- *
- * Note: if any errors occur, the packet is "dropped on the floor".
- * (called by wv_packet_rcv())
- */
-static void
-wv_packet_read(struct net_device *dev, u16 buf_off, int sksize)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	struct sk_buff *skb;
-
-#ifdef DEBUG_RX_TRACE
-	printk(KERN_DEBUG "%s: ->wv_packet_read(0x%X, %d)\n",
-	       dev->name, buf_off, sksize);
-#endif
-
-	/* Allocate buffer for the data */
-	if ((skb = dev_alloc_skb(sksize)) == (struct sk_buff *) NULL) {
-#ifdef DEBUG_RX_ERROR
-		printk(KERN_INFO
-		       "%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC).\n",
-		       dev->name, sksize);
-#endif
-		dev->stats.rx_dropped++;
-		return;
-	}
-
-	/* Copy the packet to the buffer. */
-	obram_read(ioaddr, buf_off, skb_put(skb, sksize), sksize);
-	skb->protocol = eth_type_trans(skb, dev);
-
-#ifdef DEBUG_RX_INFO
-	wv_packet_info(skb_mac_header(skb), sksize, dev->name,
-		       "wv_packet_read");
-#endif				/* DEBUG_RX_INFO */
-
-	/* Statistics-gathering and associated stuff.
-	 * It seem a bit messy with all the define, but it's really
-	 * simple... */
-	if (
-#ifdef IW_WIRELESS_SPY		/* defined in iw_handler.h */
-		   (lp->spy_data.spy_number > 0) ||
-#endif /* IW_WIRELESS_SPY */
-#ifdef HISTOGRAM
-		   (lp->his_number > 0) ||
-#endif /* HISTOGRAM */
-		   0) {
-		u8 stats[3];	/* signal level, noise level, signal quality */
-
-		/* Read signal level, silence level and signal quality bytes */
-		/* Note: in the PCMCIA hardware, these are part of the frame.
-		 * It seems that for the ISA hardware, it's nowhere to be
-		 * found in the frame, so I'm obliged to do this (it has a
-		 * side effect on /proc/net/wireless).
-		 * Any ideas?
-		 */
-		mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
-		mmc_read(ioaddr, mmroff(0, mmr_signal_lvl), stats, 3);
-		mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
-
-#ifdef DEBUG_RX_INFO
-		printk(KERN_DEBUG
-		       "%s: wv_packet_read(): Signal level %d/63, Silence level %d/63, signal quality %d/16\n",
-		       dev->name, stats[0] & 0x3F, stats[1] & 0x3F,
-		       stats[2] & 0x0F);
-#endif
-
-		/* Spying stuff */
-#ifdef IW_WIRELESS_SPY
-		wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE,
-			      stats);
-#endif /* IW_WIRELESS_SPY */
-#ifdef HISTOGRAM
-		wl_his_gather(dev, stats);
-#endif /* HISTOGRAM */
-	}
-
-	/*
-	 * Hand the packet to the network module.
-	 */
-	netif_rx(skb);
-
-	/* Keep statistics up to date */
-	dev->stats.rx_packets++;
-	dev->stats.rx_bytes += sksize;
-
-#ifdef DEBUG_RX_TRACE
-	printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Transfer as many packets as we can
- * from the device RAM.
- * (called in wavelan_interrupt()).
- * Note : the spinlock is already grabbed for us.
- */
-static void wv_receive(struct net_device *dev)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	fd_t fd;
-	rbd_t rbd;
-	int nreaped = 0;
-
-#ifdef DEBUG_RX_TRACE
-	printk(KERN_DEBUG "%s: ->wv_receive()\n", dev->name);
-#endif
-
-	/* Loop on each received packet. */
-	for (;;) {
-		obram_read(ioaddr, lp->rx_head, (unsigned char *) &fd,
-			   sizeof(fd));
-
-		/* Note about the status :
-		 * It start up to be 0 (the value we set). Then, when the RU
-		 * grab the buffer to prepare for reception, it sets the
-		 * FD_STATUS_B flag. When the RU has finished receiving the
-		 * frame, it clears FD_STATUS_B, set FD_STATUS_C to indicate
-		 * completion and set the other flags to indicate the eventual
-		 * errors. FD_STATUS_OK indicates that the reception was OK.
-		 */
-
-		/* If the current frame is not complete, we have reached the end. */
-		if ((fd.fd_status & FD_STATUS_C) != FD_STATUS_C)
-			break;	/* This is how we exit the loop. */
-
-		nreaped++;
-
-		/* Check whether frame was correctly received. */
-		if ((fd.fd_status & FD_STATUS_OK) == FD_STATUS_OK) {
-			/* Does the frame contain a pointer to the data?  Let's check. */
-			if (fd.fd_rbd_offset != I82586NULL) {
-				/* Read the receive buffer descriptor */
-				obram_read(ioaddr, fd.fd_rbd_offset,
-					   (unsigned char *) &rbd,
-					   sizeof(rbd));
-
-#ifdef DEBUG_RX_ERROR
-				if ((rbd.rbd_status & RBD_STATUS_EOF) !=
-				    RBD_STATUS_EOF) printk(KERN_INFO
-							   "%s: wv_receive(): missing EOF flag.\n",
-							   dev->name);
-
-				if ((rbd.rbd_status & RBD_STATUS_F) !=
-				    RBD_STATUS_F) printk(KERN_INFO
-							 "%s: wv_receive(): missing F flag.\n",
-							 dev->name);
-#endif				/* DEBUG_RX_ERROR */
-
-				/* Read the packet and transmit to Linux */
-				wv_packet_read(dev, rbd.rbd_bufl,
-					       rbd.
-					       rbd_status &
-					       RBD_STATUS_ACNT);
-			}
-#ifdef DEBUG_RX_ERROR
-			else	/* if frame has no data */
-				printk(KERN_INFO
-				       "%s: wv_receive(): frame has no data.\n",
-				       dev->name);
-#endif
-		} else {	/* If reception was no successful */
-
-			dev->stats.rx_errors++;
-
-#ifdef DEBUG_RX_INFO
-			printk(KERN_DEBUG
-			       "%s: wv_receive(): frame not received successfully (%X).\n",
-			       dev->name, fd.fd_status);
-#endif
-
-#ifdef DEBUG_RX_ERROR
-			if ((fd.fd_status & FD_STATUS_S6) != 0)
-				printk(KERN_INFO
-				       "%s: wv_receive(): no EOF flag.\n",
-				       dev->name);
-#endif
-
-			if ((fd.fd_status & FD_STATUS_S7) != 0) {
-				dev->stats.rx_length_errors++;
-#ifdef DEBUG_RX_FAIL
-				printk(KERN_DEBUG
-				       "%s: wv_receive(): frame too short.\n",
-				       dev->name);
-#endif
-			}
-
-			if ((fd.fd_status & FD_STATUS_S8) != 0) {
-				dev->stats.rx_over_errors++;
-#ifdef DEBUG_RX_FAIL
-				printk(KERN_DEBUG
-				       "%s: wv_receive(): rx DMA overrun.\n",
-				       dev->name);
-#endif
-			}
-
-			if ((fd.fd_status & FD_STATUS_S9) != 0) {
-				dev->stats.rx_fifo_errors++;
-#ifdef DEBUG_RX_FAIL
-				printk(KERN_DEBUG
-				       "%s: wv_receive(): ran out of resources.\n",
-				       dev->name);
-#endif
-			}
-
-			if ((fd.fd_status & FD_STATUS_S10) != 0) {
-				dev->stats.rx_frame_errors++;
-#ifdef DEBUG_RX_FAIL
-				printk(KERN_DEBUG
-				       "%s: wv_receive(): alignment error.\n",
-				       dev->name);
-#endif
-			}
-
-			if ((fd.fd_status & FD_STATUS_S11) != 0) {
-				dev->stats.rx_crc_errors++;
-#ifdef DEBUG_RX_FAIL
-				printk(KERN_DEBUG
-				       "%s: wv_receive(): CRC error.\n",
-				       dev->name);
-#endif
-			}
-		}
-
-		fd.fd_status = 0;
-		obram_write(ioaddr, fdoff(lp->rx_head, fd_status),
-			    (unsigned char *) &fd.fd_status,
-			    sizeof(fd.fd_status));
-
-		fd.fd_command = FD_COMMAND_EL;
-		obram_write(ioaddr, fdoff(lp->rx_head, fd_command),
-			    (unsigned char *) &fd.fd_command,
-			    sizeof(fd.fd_command));
-
-		fd.fd_command = 0;
-		obram_write(ioaddr, fdoff(lp->rx_last, fd_command),
-			    (unsigned char *) &fd.fd_command,
-			    sizeof(fd.fd_command));
-
-		lp->rx_last = lp->rx_head;
-		lp->rx_head = fd.fd_link_offset;
-	}			/* for(;;) -> loop on all frames */
-
-#ifdef DEBUG_RX_INFO
-	if (nreaped > 1)
-		printk(KERN_DEBUG "%s: wv_receive(): reaped %d\n",
-		       dev->name, nreaped);
-#endif
-#ifdef DEBUG_RX_TRACE
-	printk(KERN_DEBUG "%s: <-wv_receive()\n", dev->name);
-#endif
-}
-
-/*********************** PACKET TRANSMISSION ***********************/
-/*
- * This part deals with sending packets through the WaveLAN.
- *
- */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine fills in the appropriate registers and memory
- * locations on the WaveLAN card and starts the card off on
- * the transmit.
- *
- * The principle:
- * Each block contains a transmit command, a NOP command,
- * a transmit block descriptor and a buffer.
- * The CU read the transmit block which point to the tbd,
- * read the tbd and the content of the buffer.
- * When it has finish with it, it goes to the next command
- * which in our case is the NOP. The NOP points on itself,
- * so the CU stop here.
- * When we add the next block, we modify the previous nop
- * to make it point on the new tx command.
- * Simple, isn't it ?
- *
- * (called in wavelan_packet_xmit())
- */
-static int wv_packet_write(struct net_device *dev, void *buf, short length)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	unsigned short txblock;
-	unsigned short txpred;
-	unsigned short tx_addr;
-	unsigned short nop_addr;
-	unsigned short tbd_addr;
-	unsigned short buf_addr;
-	ac_tx_t tx;
-	ac_nop_t nop;
-	tbd_t tbd;
-	int clen = length;
-	unsigned long flags;
-
-#ifdef DEBUG_TX_TRACE
-	printk(KERN_DEBUG "%s: ->wv_packet_write(%d)\n", dev->name,
-	       length);
-#endif
-
-	spin_lock_irqsave(&lp->spinlock, flags);
-
-	/* Check nothing bad has happened */
-	if (lp->tx_n_in_use == (NTXBLOCKS - 1)) {
-#ifdef DEBUG_TX_ERROR
-		printk(KERN_INFO "%s: wv_packet_write(): Tx queue full.\n",
-		       dev->name);
-#endif
-		spin_unlock_irqrestore(&lp->spinlock, flags);
-		return 1;
-	}
-
-	/* Calculate addresses of next block and previous block. */
-	txblock = lp->tx_first_free;
-	txpred = txblock - TXBLOCKZ;
-	if (txpred < OFFSET_CU)
-		txpred += NTXBLOCKS * TXBLOCKZ;
-	lp->tx_first_free += TXBLOCKZ;
-	if (lp->tx_first_free >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
-		lp->tx_first_free -= NTXBLOCKS * TXBLOCKZ;
-
-	lp->tx_n_in_use++;
-
-	/* Calculate addresses of the different parts of the block. */
-	tx_addr = txblock;
-	nop_addr = tx_addr + sizeof(tx);
-	tbd_addr = nop_addr + sizeof(nop);
-	buf_addr = tbd_addr + sizeof(tbd);
-
-	/*
-	 * Transmit command
-	 */
-	tx.tx_h.ac_status = 0;
-	obram_write(ioaddr, toff(ac_tx_t, tx_addr, tx_h.ac_status),
-		    (unsigned char *) &tx.tx_h.ac_status,
-		    sizeof(tx.tx_h.ac_status));
-
-	/*
-	 * NOP command
-	 */
-	nop.nop_h.ac_status = 0;
-	obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
-		    (unsigned char *) &nop.nop_h.ac_status,
-		    sizeof(nop.nop_h.ac_status));
-	nop.nop_h.ac_link = nop_addr;
-	obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
-		    (unsigned char *) &nop.nop_h.ac_link,
-		    sizeof(nop.nop_h.ac_link));
-
-	/*
-	 * Transmit buffer descriptor
-	 */
-	tbd.tbd_status = TBD_STATUS_EOF | (TBD_STATUS_ACNT & clen);
-	tbd.tbd_next_bd_offset = I82586NULL;
-	tbd.tbd_bufl = buf_addr;
-	tbd.tbd_bufh = 0;
-	obram_write(ioaddr, tbd_addr, (unsigned char *) &tbd, sizeof(tbd));
-
-	/*
-	 * Data
-	 */
-	obram_write(ioaddr, buf_addr, buf, length);
-
-	/*
-	 * Overwrite the predecessor NOP link
-	 * so that it points to this txblock.
-	 */
-	nop_addr = txpred + sizeof(tx);
-	nop.nop_h.ac_status = 0;
-	obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
-		    (unsigned char *) &nop.nop_h.ac_status,
-		    sizeof(nop.nop_h.ac_status));
-	nop.nop_h.ac_link = txblock;
-	obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
-		    (unsigned char *) &nop.nop_h.ac_link,
-		    sizeof(nop.nop_h.ac_link));
-
-	/* Make sure the watchdog will keep quiet for a while */
-	dev->trans_start = jiffies;
-
-	/* Keep stats up to date. */
-	dev->stats.tx_bytes += length;
-
-	if (lp->tx_first_in_use == I82586NULL)
-		lp->tx_first_in_use = txblock;
-
-	if (lp->tx_n_in_use < NTXBLOCKS - 1)
-		netif_wake_queue(dev);
-
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-	
-#ifdef DEBUG_TX_INFO
-	wv_packet_info((u8 *) buf, length, dev->name,
-		       "wv_packet_write");
-#endif				/* DEBUG_TX_INFO */
-
-#ifdef DEBUG_TX_TRACE
-	printk(KERN_DEBUG "%s: <-wv_packet_write()\n", dev->name);
-#endif
-
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine is called when we want to send a packet (NET3 callback)
- * In this routine, we check if the harware is ready to accept
- * the packet.  We also prevent reentrance.  Then we call the function
- * to send the packet.
- */
-static netdev_tx_t wavelan_packet_xmit(struct sk_buff *skb,
-					     struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long flags;
-	char data[ETH_ZLEN];
-
-#ifdef DEBUG_TX_TRACE
-	printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
-	       (unsigned) skb);
-#endif
-
-	/*
-	 *block a timer-based transmit from overlapping.
-	 * In other words, prevent reentering this routine.
-	 */
-	netif_stop_queue(dev);
-
-	/* If somebody has asked to reconfigure the controller, 
-	 * we can do it now.
-	 */
-	if (lp->reconfig_82586) {
-		spin_lock_irqsave(&lp->spinlock, flags);
-		wv_82586_config(dev);
-		spin_unlock_irqrestore(&lp->spinlock, flags);
-		/* Check that we can continue */
-		if (lp->tx_n_in_use == (NTXBLOCKS - 1))
-			return NETDEV_TX_BUSY;
-	}
-
-	/* Do we need some padding? */
-	/* Note : on wireless the propagation time is in the order of 1us,
-	 * and we don't have the Ethernet specific requirement of beeing
-	 * able to detect collisions, therefore in theory we don't really
-	 * need to pad. Jean II */
-	if (skb->len < ETH_ZLEN) {
-		memset(data, 0, ETH_ZLEN);
-		skb_copy_from_linear_data(skb, data, skb->len);
-		/* Write packet on the card */
-		if(wv_packet_write(dev, data, ETH_ZLEN))
-			return NETDEV_TX_BUSY;	/* We failed */
-	}
-	else if(wv_packet_write(dev, skb->data, skb->len))
-		return NETDEV_TX_BUSY;	/* We failed */
-
-
-	dev_kfree_skb(skb);
-
-#ifdef DEBUG_TX_TRACE
-	printk(KERN_DEBUG "%s: <-wavelan_packet_xmit()\n", dev->name);
-#endif
-	return NETDEV_TX_OK;
-}
-
-/*********************** HARDWARE CONFIGURATION ***********************/
-/*
- * This part does the real job of starting and configuring the hardware.
- */
-
-/*--------------------------------------------------------------------*/
-/*
- * Routine to initialize the Modem Management Controller.
- * (called by wv_hw_reset())
- */
-static int wv_mmc_init(struct net_device *dev)
-{
-	unsigned long ioaddr = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	mmw_t m;
-	int configured;
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: ->wv_mmc_init()\n", dev->name);
-#endif
-
-	/* Read the parameter storage area. */
-	psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
-
-#ifdef USE_PSA_CONFIG
-	configured = psa.psa_conf_status & 1;
-#else
-	configured = 0;
-#endif
-
-	/* Is the PSA is not configured */
-	if (!configured) {
-		/* User will be able to configure NWID later (with iwconfig). */
-		psa.psa_nwid[0] = 0;
-		psa.psa_nwid[1] = 0;
-
-		/* no NWID checking since NWID is not set */
-		psa.psa_nwid_select = 0;
-
-		/* Disable encryption */
-		psa.psa_encryption_select = 0;
-
-		/* Set to standard values:
-		 * 0x04 for AT,
-		 * 0x01 for MCA,
-		 * 0x04 for PCMCIA and 2.00 card (AT&T 407-024689/E document)
-		 */
-		if (psa.psa_comp_number & 1)
-			psa.psa_thr_pre_set = 0x01;
-		else
-			psa.psa_thr_pre_set = 0x04;
-		psa.psa_quality_thr = 0x03;
-
-		/* It is configured */
-		psa.psa_conf_status |= 1;
-
-#ifdef USE_PSA_CONFIG
-		/* Write the psa. */
-		psa_write(ioaddr, lp->hacr,
-			  (char *) psa.psa_nwid - (char *) &psa,
-			  (unsigned char *) psa.psa_nwid, 4);
-		psa_write(ioaddr, lp->hacr,
-			  (char *) &psa.psa_thr_pre_set - (char *) &psa,
-			  (unsigned char *) &psa.psa_thr_pre_set, 1);
-		psa_write(ioaddr, lp->hacr,
-			  (char *) &psa.psa_quality_thr - (char *) &psa,
-			  (unsigned char *) &psa.psa_quality_thr, 1);
-		psa_write(ioaddr, lp->hacr,
-			  (char *) &psa.psa_conf_status - (char *) &psa,
-			  (unsigned char *) &psa.psa_conf_status, 1);
-		/* update the Wavelan checksum */
-		update_psa_checksum(dev, ioaddr, lp->hacr);
-#endif
-	}
-
-	/* Zero the mmc structure. */
-	memset(&m, 0x00, sizeof(m));
-
-	/* Copy PSA info to the mmc. */
-	m.mmw_netw_id_l = psa.psa_nwid[1];
-	m.mmw_netw_id_h = psa.psa_nwid[0];
-
-	if (psa.psa_nwid_select & 1)
-		m.mmw_loopt_sel = 0x00;
-	else
-		m.mmw_loopt_sel = MMW_LOOPT_SEL_DIS_NWID;
-
-	memcpy(&m.mmw_encr_key, &psa.psa_encryption_key,
-	       sizeof(m.mmw_encr_key));
-
-	if (psa.psa_encryption_select)
-		m.mmw_encr_enable =
-		    MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE;
-	else
-		m.mmw_encr_enable = 0;
-
-	m.mmw_thr_pre_set = psa.psa_thr_pre_set & 0x3F;
-	m.mmw_quality_thr = psa.psa_quality_thr & 0x0F;
-
-	/*
-	 * Set default modem control parameters.
-	 * See NCR document 407-0024326 Rev. A.
-	 */
-	m.mmw_jabber_enable = 0x01;
-	m.mmw_freeze = 0;
-	m.mmw_anten_sel = MMW_ANTEN_SEL_ALG_EN;
-	m.mmw_ifs = 0x20;
-	m.mmw_mod_delay = 0x04;
-	m.mmw_jam_time = 0x38;
-
-	m.mmw_des_io_invert = 0;
-	m.mmw_decay_prm = 0;
-	m.mmw_decay_updat_prm = 0;
-
-	/* Write all info to MMC. */
-	mmc_write(ioaddr, 0, (u8 *) & m, sizeof(m));
-
-	/* The following code starts the modem of the 2.00 frequency
-	 * selectable cards at power on.  It's not strictly needed for the
-	 * following boots.
-	 * The original patch was by Joe Finney for the PCMCIA driver, but
-	 * I've cleaned it up a bit and added documentation.
-	 * Thanks to Loeke Brederveld from Lucent for the info.
-	 */
-
-	/* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable)
-	 * Does it work for everybody, especially old cards? */
-	/* Note: WFREQSEL verifies that it is able to read a sensible
-	 * frequency from EEPROM (address 0x00) and that MMR_FEE_STATUS_ID
-	 * is 0xA (Xilinx version) or 0xB (Ariadne version).
-	 * My test is more crude but does work. */
-	if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
-	      (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
-		/* We must download the frequency parameters to the
-		 * synthesizers (from the EEPROM - area 1)
-		 * Note: as the EEPROM is automatically decremented, we set the end
-		 * if the area... */
-		m.mmw_fee_addr = 0x0F;
-		m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
-		mmc_write(ioaddr, (char *) &m.mmw_fee_ctrl - (char *) &m,
-			  (unsigned char *) &m.mmw_fee_ctrl, 2);
-
-		/* Wait until the download is finished. */
-		fee_wait(ioaddr, 100, 100);
-
-#ifdef DEBUG_CONFIG_INFO
-		/* The frequency was in the last word downloaded. */
-		mmc_read(ioaddr, (char *) &m.mmw_fee_data_l - (char *) &m,
-			 (unsigned char *) &m.mmw_fee_data_l, 2);
-
-		/* Print some info for the user. */
-		printk(KERN_DEBUG
-		       "%s: WaveLAN 2.00 recognised (frequency select).  Current frequency = %ld\n",
-		       dev->name,
-		       ((m.
-			 mmw_fee_data_h << 4) | (m.mmw_fee_data_l >> 4)) *
-		       5 / 2 + 24000L);
-#endif
-
-		/* We must now download the power adjust value (gain) to
-		 * the synthesizers (from the EEPROM - area 7 - DAC). */
-		m.mmw_fee_addr = 0x61;
-		m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
-		mmc_write(ioaddr, (char *) &m.mmw_fee_ctrl - (char *) &m,
-			  (unsigned char *) &m.mmw_fee_ctrl, 2);
-
-		/* Wait until the download is finished. */
-	}
-	/* if 2.00 card */
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: <-wv_mmc_init()\n", dev->name);
-#endif
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Construct the fd and rbd structures.
- * Start the receive unit.
- * (called by wv_hw_reset())
- */
-static int wv_ru_start(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	u16 scb_cs;
-	fd_t fd;
-	rbd_t rbd;
-	u16 rx;
-	u16 rx_next;
-	int i;
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: ->wv_ru_start()\n", dev->name);
-#endif
-
-	obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
-		   (unsigned char *) &scb_cs, sizeof(scb_cs));
-	if ((scb_cs & SCB_ST_RUS) == SCB_ST_RUS_RDY)
-		return 0;
-
-	lp->rx_head = OFFSET_RU;
-
-	for (i = 0, rx = lp->rx_head; i < NRXBLOCKS; i++, rx = rx_next) {
-		rx_next =
-		    (i == NRXBLOCKS - 1) ? lp->rx_head : rx + RXBLOCKZ;
-
-		fd.fd_status = 0;
-		fd.fd_command = (i == NRXBLOCKS - 1) ? FD_COMMAND_EL : 0;
-		fd.fd_link_offset = rx_next;
-		fd.fd_rbd_offset = rx + sizeof(fd);
-		obram_write(ioaddr, rx, (unsigned char *) &fd, sizeof(fd));
-
-		rbd.rbd_status = 0;
-		rbd.rbd_next_rbd_offset = I82586NULL;
-		rbd.rbd_bufl = rx + sizeof(fd) + sizeof(rbd);
-		rbd.rbd_bufh = 0;
-		rbd.rbd_el_size = RBD_EL | (RBD_SIZE & MAXDATAZ);
-		obram_write(ioaddr, rx + sizeof(fd),
-			    (unsigned char *) &rbd, sizeof(rbd));
-
-		lp->rx_last = rx;
-	}
-
-	obram_write(ioaddr, scboff(OFFSET_SCB, scb_rfa_offset),
-		    (unsigned char *) &lp->rx_head, sizeof(lp->rx_head));
-
-	scb_cs = SCB_CMD_RUC_GO;
-	obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
-		    (unsigned char *) &scb_cs, sizeof(scb_cs));
-
-	set_chan_attn(ioaddr, lp->hacr);
-
-	for (i = 1000; i > 0; i--) {
-		obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
-			   (unsigned char *) &scb_cs, sizeof(scb_cs));
-		if (scb_cs == 0)
-			break;
-
-		udelay(10);
-	}
-
-	if (i <= 0) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_ru_start(): board not accepting command.\n",
-		       dev->name);
-#endif
-		return -1;
-	}
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: <-wv_ru_start()\n", dev->name);
-#endif
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Initialise the transmit blocks.
- * Start the command unit executing the NOP
- * self-loop of the first transmit block.
- *
- * Here we create the list of send buffers used to transmit packets
- *between the PC and the command unit. For each buffer, we create a
- *buffer descriptor (pointing on the buffer), a transmit command
- * (pointing to the buffer descriptor) and a NOP command.
- * The transmit command is linked to the NOP, and the NOP to itself.
- * When we will have finished executing the transmit command, we will
- * then loop on the NOP. By releasing the NOP link to a new command,
- * we may send another buffer.
- *
- * (called by wv_hw_reset())
- */
-static int wv_cu_start(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	int i;
-	u16 txblock;
-	u16 first_nop;
-	u16 scb_cs;
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: ->wv_cu_start()\n", dev->name);
-#endif
-
-	lp->tx_first_free = OFFSET_CU;
-	lp->tx_first_in_use = I82586NULL;
-
-	for (i = 0, txblock = OFFSET_CU;
-	     i < NTXBLOCKS; i++, txblock += TXBLOCKZ) {
-		ac_tx_t tx;
-		ac_nop_t nop;
-		tbd_t tbd;
-		unsigned short tx_addr;
-		unsigned short nop_addr;
-		unsigned short tbd_addr;
-		unsigned short buf_addr;
-
-		tx_addr = txblock;
-		nop_addr = tx_addr + sizeof(tx);
-		tbd_addr = nop_addr + sizeof(nop);
-		buf_addr = tbd_addr + sizeof(tbd);
-
-		tx.tx_h.ac_status = 0;
-		tx.tx_h.ac_command = acmd_transmit | AC_CFLD_I;
-		tx.tx_h.ac_link = nop_addr;
-		tx.tx_tbd_offset = tbd_addr;
-		obram_write(ioaddr, tx_addr, (unsigned char *) &tx,
-			    sizeof(tx));
-
-		nop.nop_h.ac_status = 0;
-		nop.nop_h.ac_command = acmd_nop;
-		nop.nop_h.ac_link = nop_addr;
-		obram_write(ioaddr, nop_addr, (unsigned char *) &nop,
-			    sizeof(nop));
-
-		tbd.tbd_status = TBD_STATUS_EOF;
-		tbd.tbd_next_bd_offset = I82586NULL;
-		tbd.tbd_bufl = buf_addr;
-		tbd.tbd_bufh = 0;
-		obram_write(ioaddr, tbd_addr, (unsigned char *) &tbd,
-			    sizeof(tbd));
-	}
-
-	first_nop =
-	    OFFSET_CU + (NTXBLOCKS - 1) * TXBLOCKZ + sizeof(ac_tx_t);
-	obram_write(ioaddr, scboff(OFFSET_SCB, scb_cbl_offset),
-		    (unsigned char *) &first_nop, sizeof(first_nop));
-
-	scb_cs = SCB_CMD_CUC_GO;
-	obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
-		    (unsigned char *) &scb_cs, sizeof(scb_cs));
-
-	set_chan_attn(ioaddr, lp->hacr);
-
-	for (i = 1000; i > 0; i--) {
-		obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
-			   (unsigned char *) &scb_cs, sizeof(scb_cs));
-		if (scb_cs == 0)
-			break;
-
-		udelay(10);
-	}
-
-	if (i <= 0) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_cu_start(): board not accepting command.\n",
-		       dev->name);
-#endif
-		return -1;
-	}
-
-	lp->tx_n_in_use = 0;
-	netif_start_queue(dev);
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: <-wv_cu_start()\n", dev->name);
-#endif
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does a standard configuration of the WaveLAN 
- * controller (i82586).
- *
- * It initialises the scp, iscp and scb structure
- * The first two are just pointers to the next.
- * The last one is used for basic configuration and for basic
- * communication (interrupt status).
- *
- * (called by wv_hw_reset())
- */
-static int wv_82586_start(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	scp_t scp;		/* system configuration pointer */
-	iscp_t iscp;		/* intermediate scp */
-	scb_t scb;		/* system control block */
-	ach_t cb;		/* Action command header */
-	u8 zeroes[512];
-	int i;
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: ->wv_82586_start()\n", dev->name);
-#endif
-
-	/*
-	 * Clear the onboard RAM.
-	 */
-	memset(&zeroes[0], 0x00, sizeof(zeroes));
-	for (i = 0; i < I82586_MEMZ; i += sizeof(zeroes))
-		obram_write(ioaddr, i, &zeroes[0], sizeof(zeroes));
-
-	/*
-	 * Construct the command unit structures:
-	 * scp, iscp, scb, cb.
-	 */
-	memset(&scp, 0x00, sizeof(scp));
-	scp.scp_sysbus = SCP_SY_16BBUS;
-	scp.scp_iscpl = OFFSET_ISCP;
-	obram_write(ioaddr, OFFSET_SCP, (unsigned char *) &scp,
-		    sizeof(scp));
-
-	memset(&iscp, 0x00, sizeof(iscp));
-	iscp.iscp_busy = 1;
-	iscp.iscp_offset = OFFSET_SCB;
-	obram_write(ioaddr, OFFSET_ISCP, (unsigned char *) &iscp,
-		    sizeof(iscp));
-
-	/* Our first command is to reset the i82586. */
-	memset(&scb, 0x00, sizeof(scb));
-	scb.scb_command = SCB_CMD_RESET;
-	scb.scb_cbl_offset = OFFSET_CU;
-	scb.scb_rfa_offset = OFFSET_RU;
-	obram_write(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
-		    sizeof(scb));
-
-	set_chan_attn(ioaddr, lp->hacr);
-
-	/* Wait for command to finish. */
-	for (i = 1000; i > 0; i--) {
-		obram_read(ioaddr, OFFSET_ISCP, (unsigned char *) &iscp,
-			   sizeof(iscp));
-
-		if (iscp.iscp_busy == (unsigned short) 0)
-			break;
-
-		udelay(10);
-	}
-
-	if (i <= 0) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO
-		       "%s: wv_82586_start(): iscp_busy timeout.\n",
-		       dev->name);
-#endif
-		return -1;
-	}
-
-	/* Check command completion. */
-	for (i = 15; i > 0; i--) {
-		obram_read(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
-			   sizeof(scb));
-
-		if (scb.scb_status == (SCB_ST_CX | SCB_ST_CNA))
-			break;
-
-		udelay(10);
-	}
-
-	if (i <= 0) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO
-		       "%s: wv_82586_start(): status: expected 0x%02x, got 0x%02x.\n",
-		       dev->name, SCB_ST_CX | SCB_ST_CNA, scb.scb_status);
-#endif
-		return -1;
-	}
-
-	wv_ack(dev);
-
-	/* Set the action command header. */
-	memset(&cb, 0x00, sizeof(cb));
-	cb.ac_command = AC_CFLD_EL | (AC_CFLD_CMD & acmd_diagnose);
-	cb.ac_link = OFFSET_CU;
-	obram_write(ioaddr, OFFSET_CU, (unsigned char *) &cb, sizeof(cb));
-
-	if (wv_synchronous_cmd(dev, "diag()") == -1)
-		return -1;
-
-	obram_read(ioaddr, OFFSET_CU, (unsigned char *) &cb, sizeof(cb));
-	if (cb.ac_status & AC_SFLD_FAIL) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO
-		       "%s: wv_82586_start(): i82586 Self Test failed.\n",
-		       dev->name);
-#endif
-		return -1;
-	}
-#ifdef DEBUG_I82586_SHOW
-	wv_scb_show(ioaddr);
-#endif
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: <-wv_82586_start()\n", dev->name);
-#endif
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does a standard configuration of the WaveLAN
- * controller (i82586).
- *
- * This routine is a violent hack. We use the first free transmit block
- * to make our configuration. In the buffer area, we create the three
- * configuration commands (linked). We make the previous NOP point to
- * the beginning of the buffer instead of the tx command. After, we go
- * as usual to the NOP command.
- * Note that only the last command (mc_set) will generate an interrupt.
- *
- * (called by wv_hw_reset(), wv_82586_reconfig(), wavelan_packet_xmit())
- */
-static void wv_82586_config(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	unsigned short txblock;
-	unsigned short txpred;
-	unsigned short tx_addr;
-	unsigned short nop_addr;
-	unsigned short tbd_addr;
-	unsigned short cfg_addr;
-	unsigned short ias_addr;
-	unsigned short mcs_addr;
-	ac_tx_t tx;
-	ac_nop_t nop;
-	ac_cfg_t cfg;		/* Configure action */
-	ac_ias_t ias;		/* IA-setup action */
-	ac_mcs_t mcs;		/* Multicast setup */
-	struct dev_mc_list *dmi;
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: ->wv_82586_config()\n", dev->name);
-#endif
-
-	/* Check nothing bad has happened */
-	if (lp->tx_n_in_use == (NTXBLOCKS - 1)) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO "%s: wv_82586_config(): Tx queue full.\n",
-		       dev->name);
-#endif
-		return;
-	}
-
-	/* Calculate addresses of next block and previous block. */
-	txblock = lp->tx_first_free;
-	txpred = txblock - TXBLOCKZ;
-	if (txpred < OFFSET_CU)
-		txpred += NTXBLOCKS * TXBLOCKZ;
-	lp->tx_first_free += TXBLOCKZ;
-	if (lp->tx_first_free >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
-		lp->tx_first_free -= NTXBLOCKS * TXBLOCKZ;
-
-	lp->tx_n_in_use++;
-
-	/* Calculate addresses of the different parts of the block. */
-	tx_addr = txblock;
-	nop_addr = tx_addr + sizeof(tx);
-	tbd_addr = nop_addr + sizeof(nop);
-	cfg_addr = tbd_addr + sizeof(tbd_t);	/*beginning of the buffer */
-	ias_addr = cfg_addr + sizeof(cfg);
-	mcs_addr = ias_addr + sizeof(ias);
-
-	/*
-	 * Transmit command
-	 */
-	tx.tx_h.ac_status = 0xFFFF;	/* Fake completion value */
-	obram_write(ioaddr, toff(ac_tx_t, tx_addr, tx_h.ac_status),
-		    (unsigned char *) &tx.tx_h.ac_status,
-		    sizeof(tx.tx_h.ac_status));
-
-	/*
-	 * NOP command
-	 */
-	nop.nop_h.ac_status = 0;
-	obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
-		    (unsigned char *) &nop.nop_h.ac_status,
-		    sizeof(nop.nop_h.ac_status));
-	nop.nop_h.ac_link = nop_addr;
-	obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
-		    (unsigned char *) &nop.nop_h.ac_link,
-		    sizeof(nop.nop_h.ac_link));
-
-	/* Create a configure action. */
-	memset(&cfg, 0x00, sizeof(cfg));
-
-	/*
-	 * For Linux we invert AC_CFG_ALOC() so as to conform
-	 * to the way that net packets reach us from above.
-	 * (See also ac_tx_t.)
-	 *
-	 * Updated from Wavelan Manual WCIN085B
-	 */
-	cfg.cfg_byte_cnt =
-	    AC_CFG_BYTE_CNT(sizeof(ac_cfg_t) - sizeof(ach_t));
-	cfg.cfg_fifolim = AC_CFG_FIFOLIM(4);
-	cfg.cfg_byte8 = AC_CFG_SAV_BF(1) | AC_CFG_SRDY(0);
-	cfg.cfg_byte9 = AC_CFG_ELPBCK(0) |
-	    AC_CFG_ILPBCK(0) |
-	    AC_CFG_PRELEN(AC_CFG_PLEN_2) |
-	    AC_CFG_ALOC(1) | AC_CFG_ADDRLEN(WAVELAN_ADDR_SIZE);
-	cfg.cfg_byte10 = AC_CFG_BOFMET(1) |
-	    AC_CFG_ACR(6) | AC_CFG_LINPRIO(0);
-	cfg.cfg_ifs = 0x20;
-	cfg.cfg_slotl = 0x0C;
-	cfg.cfg_byte13 = AC_CFG_RETRYNUM(15) | AC_CFG_SLTTMHI(0);
-	cfg.cfg_byte14 = AC_CFG_FLGPAD(0) |
-	    AC_CFG_BTSTF(0) |
-	    AC_CFG_CRC16(0) |
-	    AC_CFG_NCRC(0) |
-	    AC_CFG_TNCRS(1) |
-	    AC_CFG_MANCH(0) |
-	    AC_CFG_BCDIS(0) | AC_CFG_PRM(lp->promiscuous);
-	cfg.cfg_byte15 = AC_CFG_ICDS(0) |
-	    AC_CFG_CDTF(0) | AC_CFG_ICSS(0) | AC_CFG_CSTF(0);
-/*
-  cfg.cfg_min_frm_len = AC_CFG_MNFRM(64);
-*/
-	cfg.cfg_min_frm_len = AC_CFG_MNFRM(8);
-
-	cfg.cfg_h.ac_command = (AC_CFLD_CMD & acmd_configure);
-	cfg.cfg_h.ac_link = ias_addr;
-	obram_write(ioaddr, cfg_addr, (unsigned char *) &cfg, sizeof(cfg));
-
-	/* Set up the MAC address */
-	memset(&ias, 0x00, sizeof(ias));
-	ias.ias_h.ac_command = (AC_CFLD_CMD & acmd_ia_setup);
-	ias.ias_h.ac_link = mcs_addr;
-	memcpy(&ias.ias_addr[0], (unsigned char *) &dev->dev_addr[0],
-	       sizeof(ias.ias_addr));
-	obram_write(ioaddr, ias_addr, (unsigned char *) &ias, sizeof(ias));
-
-	/* Initialize adapter's Ethernet multicast addresses */
-	memset(&mcs, 0x00, sizeof(mcs));
-	mcs.mcs_h.ac_command = AC_CFLD_I | (AC_CFLD_CMD & acmd_mc_setup);
-	mcs.mcs_h.ac_link = nop_addr;
-	mcs.mcs_cnt = WAVELAN_ADDR_SIZE * lp->mc_count;
-	obram_write(ioaddr, mcs_addr, (unsigned char *) &mcs, sizeof(mcs));
-
-	/* Any address to set? */
-	if (lp->mc_count) {
-		netdev_for_each_mc_addr(dmi, dev)
-			outsw(PIOP1(ioaddr), (u16 *) dmi->dmi_addr,
-			      WAVELAN_ADDR_SIZE >> 1);
-
-#ifdef DEBUG_CONFIG_INFO
-		printk(KERN_DEBUG
-		       "%s: wv_82586_config(): set %d multicast addresses:\n",
-		       dev->name, lp->mc_count);
-		netdev_for_each_mc_addr(dmi, dev)
-			printk(KERN_DEBUG " %pM\n", dmi->dmi_addr);
-#endif
-	}
-
-	/*
-	 * Overwrite the predecessor NOP link
-	 * so that it points to the configure action.
-	 */
-	nop_addr = txpred + sizeof(tx);
-	nop.nop_h.ac_status = 0;
-	obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
-		    (unsigned char *) &nop.nop_h.ac_status,
-		    sizeof(nop.nop_h.ac_status));
-	nop.nop_h.ac_link = cfg_addr;
-	obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
-		    (unsigned char *) &nop.nop_h.ac_link,
-		    sizeof(nop.nop_h.ac_link));
-
-	/* Job done, clear the flag */
-	lp->reconfig_82586 = 0;
-
-	if (lp->tx_first_in_use == I82586NULL)
-		lp->tx_first_in_use = txblock;
-
-	if (lp->tx_n_in_use == (NTXBLOCKS - 1))
-		netif_stop_queue(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: <-wv_82586_config()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine, called by wavelan_close(), gracefully stops the 
- * WaveLAN controller (i82586).
- * (called by wavelan_close())
- */
-static void wv_82586_stop(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-	u16 scb_cmd;
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: ->wv_82586_stop()\n", dev->name);
-#endif
-
-	/* Suspend both command unit and receive unit. */
-	scb_cmd =
-	    (SCB_CMD_CUC & SCB_CMD_CUC_SUS) | (SCB_CMD_RUC &
-					       SCB_CMD_RUC_SUS);
-	obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
-		    (unsigned char *) &scb_cmd, sizeof(scb_cmd));
-	set_chan_attn(ioaddr, lp->hacr);
-
-	/* No more interrupts */
-	wv_ints_off(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: <-wv_82586_stop()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Totally reset the WaveLAN and restart it.
- * Performs the following actions:
- *	1. A power reset (reset DMA)
- *	2. Initialize the radio modem (using wv_mmc_init)
- *	3. Reset & Configure LAN controller (using wv_82586_start)
- *	4. Start the LAN controller's command unit
- *	5. Start the LAN controller's receive unit
- * (called by wavelan_interrupt(), wavelan_watchdog() & wavelan_open())
- */
-static int wv_hw_reset(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long ioaddr = dev->base_addr;
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: ->wv_hw_reset(dev=0x%x)\n", dev->name,
-	       (unsigned int) dev);
-#endif
-
-	/* Increase the number of resets done. */
-	lp->nresets++;
-
-	wv_hacr_reset(ioaddr);
-	lp->hacr = HACR_DEFAULT;
-
-	if ((wv_mmc_init(dev) < 0) || (wv_82586_start(dev) < 0))
-		return -1;
-
-	/* Enable the card to send interrupts. */
-	wv_ints_on(dev);
-
-	/* Start card functions */
-	if (wv_cu_start(dev) < 0)
-		return -1;
-
-	/* Setup the controller and parameters */
-	wv_82586_config(dev);
-
-	/* Finish configuration with the receive unit */
-	if (wv_ru_start(dev) < 0)
-		return -1;
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: <-wv_hw_reset()\n", dev->name);
-#endif
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Check if there is a WaveLAN at the specific base address.
- * As a side effect, this reads the MAC address.
- * (called in wavelan_probe() and init_module())
- */
-static int wv_check_ioaddr(unsigned long ioaddr, u8 * mac)
-{
-	int i;			/* Loop counter */
-
-	/* Check if the base address if available. */
-	if (!request_region(ioaddr, sizeof(ha_t), "wavelan probe"))
-		return -EBUSY;		/* ioaddr already used */
-
-	/* Reset host interface */
-	wv_hacr_reset(ioaddr);
-
-	/* Read the MAC address from the parameter storage area. */
-	psa_read(ioaddr, HACR_DEFAULT, psaoff(0, psa_univ_mac_addr),
-		 mac, 6);
-
-	release_region(ioaddr, sizeof(ha_t));
-
-	/*
-	 * Check the first three octets of the address for the manufacturer's code.
-	 * Note: if this can't find your WaveLAN card, you've got a
-	 * non-NCR/AT&T/Lucent ISA card.  See wavelan.p.h for detail on
-	 * how to configure your card.
-	 */
-	for (i = 0; i < ARRAY_SIZE(MAC_ADDRESSES); i++)
-		if ((mac[0] == MAC_ADDRESSES[i][0]) &&
-		    (mac[1] == MAC_ADDRESSES[i][1]) &&
-		    (mac[2] == MAC_ADDRESSES[i][2]))
-			return 0;
-
-#ifdef DEBUG_CONFIG_INFO
-	printk(KERN_WARNING
-	       "WaveLAN (0x%3X): your MAC address might be %02X:%02X:%02X.\n",
-	       ioaddr, mac[0], mac[1], mac[2]);
-#endif
-	return -ENODEV;
-}
-
-/************************ INTERRUPT HANDLING ************************/
-
-/*
- * This function is the interrupt handler for the WaveLAN card. This
- * routine will be called whenever: 
- */
-static irqreturn_t wavelan_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev;
-	unsigned long ioaddr;
-	net_local *lp;
-	u16 hasr;
-	u16 status;
-	u16 ack_cmd;
-
-	dev = dev_id;
-
-#ifdef DEBUG_INTERRUPT_TRACE
-	printk(KERN_DEBUG "%s: ->wavelan_interrupt()\n", dev->name);
-#endif
-
-	lp = netdev_priv(dev);
-	ioaddr = dev->base_addr;
-
-#ifdef DEBUG_INTERRUPT_INFO
-	/* Check state of our spinlock */
-	if(spin_is_locked(&lp->spinlock))
-		printk(KERN_DEBUG
-		       "%s: wavelan_interrupt(): spinlock is already locked !!!\n",
-		       dev->name);
-#endif
-
-	/* Prevent reentrancy. We need to do that because we may have
-	 * multiple interrupt handler running concurrently.
-	 * It is safe because interrupts are disabled before acquiring
-	 * the spinlock. */
-	spin_lock(&lp->spinlock);
-
-	/* We always had spurious interrupts at startup, but lately I
-	 * saw them comming *between* the request_irq() and the
-	 * spin_lock_irqsave() in wavelan_open(), so the spinlock
-	 * protection is no enough.
-	 * So, we also check lp->hacr that will tell us is we enabled
-	 * irqs or not (see wv_ints_on()).
-	 * We can't use netif_running(dev) because we depend on the
-	 * proper processing of the irq generated during the config. */
-
-	/* Which interrupt it is ? */
-	hasr = hasr_read(ioaddr);
-
-#ifdef DEBUG_INTERRUPT_INFO
-	printk(KERN_INFO
-	       "%s: wavelan_interrupt(): hasr 0x%04x; hacr 0x%04x.\n",
-	       dev->name, hasr, lp->hacr);
-#endif
-
-	/* Check modem interrupt */
-	if ((hasr & HASR_MMC_INTR) && (lp->hacr & HACR_MMC_INT_ENABLE)) {
-		u8 dce_status;
-
-		/*
-		 * Interrupt from the modem management controller.
-		 * This will clear it -- ignored for now.
-		 */
-		mmc_read(ioaddr, mmroff(0, mmr_dce_status), &dce_status,
-			 sizeof(dce_status));
-
-#ifdef DEBUG_INTERRUPT_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_interrupt(): unexpected mmc interrupt: status 0x%04x.\n",
-		       dev->name, dce_status);
-#endif
-	}
-
-	/* Check if not controller interrupt */
-	if (((hasr & HASR_82586_INTR) == 0) ||
-	    ((lp->hacr & HACR_82586_INT_ENABLE) == 0)) {
-#ifdef DEBUG_INTERRUPT_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_interrupt(): interrupt not coming from i82586 - hasr 0x%04x.\n",
-		       dev->name, hasr);
-#endif
-		spin_unlock (&lp->spinlock);
-		return IRQ_NONE;
-	}
-
-	/* Read interrupt data. */
-	obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
-		   (unsigned char *) &status, sizeof(status));
-
-	/*
-	 * Acknowledge the interrupt(s).
-	 */
-	ack_cmd = status & SCB_ST_INT;
-	obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
-		    (unsigned char *) &ack_cmd, sizeof(ack_cmd));
-	set_chan_attn(ioaddr, lp->hacr);
-
-#ifdef DEBUG_INTERRUPT_INFO
-	printk(KERN_DEBUG "%s: wavelan_interrupt(): status 0x%04x.\n",
-	       dev->name, status);
-#endif
-
-	/* Command completed. */
-	if ((status & SCB_ST_CX) == SCB_ST_CX) {
-#ifdef DEBUG_INTERRUPT_INFO
-		printk(KERN_DEBUG
-		       "%s: wavelan_interrupt(): command completed.\n",
-		       dev->name);
-#endif
-		wv_complete(dev, ioaddr, lp);
-	}
-
-	/* Frame received. */
-	if ((status & SCB_ST_FR) == SCB_ST_FR) {
-#ifdef DEBUG_INTERRUPT_INFO
-		printk(KERN_DEBUG
-		       "%s: wavelan_interrupt(): received packet.\n",
-		       dev->name);
-#endif
-		wv_receive(dev);
-	}
-
-	/* Check the state of the command unit. */
-	if (((status & SCB_ST_CNA) == SCB_ST_CNA) ||
-	    (((status & SCB_ST_CUS) != SCB_ST_CUS_ACTV) &&
-	     (netif_running(dev)))) {
-#ifdef DEBUG_INTERRUPT_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_interrupt(): CU inactive -- restarting\n",
-		       dev->name);
-#endif
-		wv_hw_reset(dev);
-	}
-
-	/* Check the state of the command unit. */
-	if (((status & SCB_ST_RNR) == SCB_ST_RNR) ||
-	    (((status & SCB_ST_RUS) != SCB_ST_RUS_RDY) &&
-	     (netif_running(dev)))) {
-#ifdef DEBUG_INTERRUPT_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_interrupt(): RU not ready -- restarting\n",
-		       dev->name);
-#endif
-		wv_hw_reset(dev);
-	}
-
-	/* Release spinlock */
-	spin_unlock (&lp->spinlock);
-
-#ifdef DEBUG_INTERRUPT_TRACE
-	printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
-#endif
-	return IRQ_HANDLED;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Watchdog: when we start a transmission, a timer is set for us in the
- * kernel.  If the transmission completes, this timer is disabled. If
- * the timer expires, we are called and we try to unlock the hardware.
- */
-static void wavelan_watchdog(struct net_device *	dev)
-{
-	net_local *lp = netdev_priv(dev);
-	u_long		ioaddr = dev->base_addr;
-	unsigned long	flags;
-	unsigned int	nreaped;
-
-#ifdef DEBUG_INTERRUPT_TRACE
-	printk(KERN_DEBUG "%s: ->wavelan_watchdog()\n", dev->name);
-#endif
-
-#ifdef DEBUG_INTERRUPT_ERROR
-	printk(KERN_INFO "%s: wavelan_watchdog: watchdog timer expired\n",
-	       dev->name);
-#endif
-
-	/* Check that we came here for something */
-	if (lp->tx_n_in_use <= 0) {
-		return;
-	}
-
-	spin_lock_irqsave(&lp->spinlock, flags);
-
-	/* Try to see if some buffers are not free (in case we missed
-	 * an interrupt */
-	nreaped = wv_complete(dev, ioaddr, lp);
-
-#ifdef DEBUG_INTERRUPT_INFO
-	printk(KERN_DEBUG
-	       "%s: wavelan_watchdog(): %d reaped, %d remain.\n",
-	       dev->name, nreaped, lp->tx_n_in_use);
-#endif
-
-#ifdef DEBUG_PSA_SHOW
-	{
-		psa_t psa;
-		psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
-		wv_psa_show(&psa);
-	}
-#endif
-#ifdef DEBUG_MMC_SHOW
-	wv_mmc_show(dev);
-#endif
-#ifdef DEBUG_I82586_SHOW
-	wv_cu_show(dev);
-#endif
-
-	/* If no buffer has been freed */
-	if (nreaped == 0) {
-#ifdef DEBUG_INTERRUPT_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_watchdog(): cleanup failed, trying reset\n",
-		       dev->name);
-#endif
-		wv_hw_reset(dev);
-	}
-
-	/* At this point, we should have some free Tx buffer ;-) */
-	if (lp->tx_n_in_use < NTXBLOCKS - 1)
-		netif_wake_queue(dev);
-
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-	
-#ifdef DEBUG_INTERRUPT_TRACE
-	printk(KERN_DEBUG "%s: <-wavelan_watchdog()\n", dev->name);
-#endif
-}
-
-/********************* CONFIGURATION CALLBACKS *********************/
-/*
- * Here are the functions called by the Linux networking code (NET3)
- * for initialization, configuration and deinstallations of the 
- * WaveLAN ISA hardware.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Configure and start up the WaveLAN PCMCIA adaptor.
- * Called by NET3 when it "opens" the device.
- */
-static int wavelan_open(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long	flags;
-
-#ifdef DEBUG_CALLBACK_TRACE
-	printk(KERN_DEBUG "%s: ->wavelan_open(dev=0x%x)\n", dev->name,
-	       (unsigned int) dev);
-#endif
-
-	/* Check irq */
-	if (dev->irq == 0) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_WARNING "%s: wavelan_open(): no IRQ\n",
-		       dev->name);
-#endif
-		return -ENXIO;
-	}
-
-	if (request_irq(dev->irq, &wavelan_interrupt, 0, "WaveLAN", dev) != 0) 
-	{
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_WARNING "%s: wavelan_open(): invalid IRQ\n",
-		       dev->name);
-#endif
-		return -EAGAIN;
-	}
-
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	if (wv_hw_reset(dev) != -1) {
-		netif_start_queue(dev);
-	} else {
-		free_irq(dev->irq, dev);
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_open(): impossible to start the card\n",
-		       dev->name);
-#endif
-		spin_unlock_irqrestore(&lp->spinlock, flags);
-		return -EAGAIN;
-	}
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-	
-#ifdef DEBUG_CALLBACK_TRACE
-	printk(KERN_DEBUG "%s: <-wavelan_open()\n", dev->name);
-#endif
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Shut down the WaveLAN ISA card.
- * Called by NET3 when it "closes" the device.
- */
-static int wavelan_close(struct net_device *dev)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long flags;
-
-#ifdef DEBUG_CALLBACK_TRACE
-	printk(KERN_DEBUG "%s: ->wavelan_close(dev=0x%x)\n", dev->name,
-	       (unsigned int) dev);
-#endif
-
-	netif_stop_queue(dev);
-
-	/*
-	 * Flush the Tx and disable Rx.
-	 */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	wv_82586_stop(dev);
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	free_irq(dev->irq, dev);
-
-#ifdef DEBUG_CALLBACK_TRACE
-	printk(KERN_DEBUG "%s: <-wavelan_close()\n", dev->name);
-#endif
-	return 0;
-}
-
-static const struct net_device_ops wavelan_netdev_ops = {
-	.ndo_open 		= wavelan_open,
-	.ndo_stop 		= wavelan_close,
-	.ndo_start_xmit		= wavelan_packet_xmit,
-	.ndo_set_multicast_list = wavelan_set_multicast_list,
-        .ndo_tx_timeout		= wavelan_watchdog,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-#ifdef SET_MAC_ADDRESS
-	.ndo_set_mac_address	= wavelan_set_mac_address
-#else
-	.ndo_set_mac_address 	= eth_mac_addr,
-#endif
-};
-
-
-/*------------------------------------------------------------------*/
-/*
- * Probe an I/O address, and if the WaveLAN is there configure the
- *device structure
- * (called by wavelan_probe() and via init_module()).
- */
-static int __init wavelan_config(struct net_device *dev, unsigned short ioaddr)
-{
-	u8 irq_mask;
-	int irq;
-	net_local *lp;
-	mac_addr mac;
-	int err;
-
-	if (!request_region(ioaddr, sizeof(ha_t), "wavelan"))
-		return -EADDRINUSE;
-
-	err = wv_check_ioaddr(ioaddr, mac);
-	if (err)
-		goto out;
-
-	memcpy(dev->dev_addr, mac, 6);
-
-	dev->base_addr = ioaddr;
-
-#ifdef DEBUG_CALLBACK_TRACE
-	printk(KERN_DEBUG "%s: ->wavelan_config(dev=0x%x, ioaddr=0x%lx)\n",
-	       dev->name, (unsigned int) dev, ioaddr);
-#endif
-
-	/* Check IRQ argument on command line. */
-	if (dev->irq != 0) {
-		irq_mask = wv_irq_to_psa(dev->irq);
-
-		if (irq_mask == 0) {
-#ifdef DEBUG_CONFIG_ERROR
-			printk(KERN_WARNING
-			       "%s: wavelan_config(): invalid IRQ %d ignored.\n",
-			       dev->name, dev->irq);
-#endif
-			dev->irq = 0;
-		} else {
-#ifdef DEBUG_CONFIG_INFO
-			printk(KERN_DEBUG
-			       "%s: wavelan_config(): changing IRQ to %d\n",
-			       dev->name, dev->irq);
-#endif
-			psa_write(ioaddr, HACR_DEFAULT,
-				  psaoff(0, psa_int_req_no), &irq_mask, 1);
-			/* update the Wavelan checksum */
-			update_psa_checksum(dev, ioaddr, HACR_DEFAULT);
-			wv_hacr_reset(ioaddr);
-		}
-	}
-
-	psa_read(ioaddr, HACR_DEFAULT, psaoff(0, psa_int_req_no),
-		 &irq_mask, 1);
-	if ((irq = wv_psa_to_irq(irq_mask)) == -1) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_config(): could not wavelan_map_irq(%d).\n",
-		       dev->name, irq_mask);
-#endif
-		err = -EAGAIN;
-		goto out;
-	}
-
-	dev->irq = irq;
-
-	dev->mem_start = 0x0000;
-	dev->mem_end = 0x0000;
-	dev->if_port = 0;
-
-	/* Initialize device structures */
-	memset(netdev_priv(dev), 0, sizeof(net_local));
-	lp = netdev_priv(dev);
-
-	/*back link to the device structure. */
-	lp->dev = dev;
-	/* Add the device at the beginning of the linked list. */
-	lp->next = wavelan_list;
-	wavelan_list = lp;
-
-	lp->hacr = HACR_DEFAULT;
-
-	/* Multicast stuff */
-	lp->promiscuous = 0;
-	lp->mc_count = 0;
-
-	/* Init spinlock */
-	spin_lock_init(&lp->spinlock);
-
-	dev->netdev_ops = &wavelan_netdev_ops;
-	dev->watchdog_timeo = WATCHDOG_JIFFIES;
-	dev->wireless_handlers = &wavelan_handler_def;
-	lp->wireless_data.spy_data = &lp->spy_data;
-	dev->wireless_data = &lp->wireless_data;
-
-	dev->mtu = WAVELAN_MTU;
-
-	/* Display nice information. */
-	wv_init_info(dev);
-
-#ifdef DEBUG_CALLBACK_TRACE
-	printk(KERN_DEBUG "%s: <-wavelan_config()\n", dev->name);
-#endif
-	return 0;
-out:
-	release_region(ioaddr, sizeof(ha_t));
-	return err;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Check for a network adaptor of this type.  Return '0' iff one 
- * exists.  There seem to be different interpretations of
- * the initial value of dev->base_addr.
- * We follow the example in drivers/net/ne.c.
- * (called in "Space.c")
- */
-struct net_device * __init wavelan_probe(int unit)
-{
-	struct net_device *dev;
-	short base_addr;
-	int def_irq;
-	int i;
-	int r = 0;
-
-	/* compile-time check the sizes of structures */
-	BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
-	BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
-	BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
-	BUILD_BUG_ON(sizeof(ha_t) != HA_SIZE);
-
-	dev = alloc_etherdev(sizeof(net_local));
-	if (!dev)
-		return ERR_PTR(-ENOMEM);
-
-	sprintf(dev->name, "eth%d", unit);
-	netdev_boot_setup_check(dev);
-	base_addr = dev->base_addr;
-	def_irq = dev->irq;
-
-#ifdef DEBUG_CALLBACK_TRACE
-	printk(KERN_DEBUG
-	       "%s: ->wavelan_probe(dev=%p (base_addr=0x%x))\n",
-	       dev->name, dev, (unsigned int) dev->base_addr);
-#endif
-
-	/* Don't probe at all. */
-	if (base_addr < 0) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_WARNING
-		       "%s: wavelan_probe(): invalid base address\n",
-		       dev->name);
-#endif
-		r = -ENXIO;
-	} else if (base_addr > 0x100) { /* Check a single specified location. */
-		r = wavelan_config(dev, base_addr);
-#ifdef DEBUG_CONFIG_INFO
-		if (r != 0)
-			printk(KERN_DEBUG
-			       "%s: wavelan_probe(): no device at specified base address (0x%X) or address already in use\n",
-			       dev->name, base_addr);
-#endif
-
-#ifdef DEBUG_CALLBACK_TRACE
-		printk(KERN_DEBUG "%s: <-wavelan_probe()\n", dev->name);
-#endif
-	} else { /* Scan all possible addresses of the WaveLAN hardware. */
-		for (i = 0; i < ARRAY_SIZE(iobase); i++) {
-			dev->irq = def_irq;
-			if (wavelan_config(dev, iobase[i]) == 0) {
-#ifdef DEBUG_CALLBACK_TRACE
-				printk(KERN_DEBUG
-				       "%s: <-wavelan_probe()\n",
-				       dev->name);
-#endif
-				break;
-			}
-		}
-		if (i == ARRAY_SIZE(iobase))
-			r = -ENODEV;
-	}
-	if (r) 
-		goto out;
-	r = register_netdev(dev);
-	if (r)
-		goto out1;
-	return dev;
-out1:
-	release_region(dev->base_addr, sizeof(ha_t));
-	wavelan_list = wavelan_list->next;
-out:
-	free_netdev(dev);
-	return ERR_PTR(r);
-}
-
-/****************************** MODULE ******************************/
-/*
- * Module entry point: insertion and removal
- */
-
-#ifdef	MODULE
-/*------------------------------------------------------------------*/
-/*
- * Insertion of the module
- * I'm now quite proud of the multi-device support.
- */
-int __init init_module(void)
-{
-	int ret = -EIO;		/* Return error if no cards found */
-	int i;
-
-#ifdef DEBUG_MODULE_TRACE
-	printk(KERN_DEBUG "-> init_module()\n");
-#endif
-
-	/* If probing is asked */
-	if (io[0] == 0) {
-#ifdef DEBUG_CONFIG_ERROR
-		printk(KERN_WARNING
-		       "WaveLAN init_module(): doing device probing (bad !)\n");
-		printk(KERN_WARNING
-		       "Specify base addresses while loading module to correct the problem\n");
-#endif
-
-		/* Copy the basic set of address to be probed. */
-		for (i = 0; i < ARRAY_SIZE(iobase); i++)
-			io[i] = iobase[i];
-	}
-
-
-	/* Loop on all possible base addresses. */
-	for (i = 0; i < ARRAY_SIZE(io) && io[i] != 0; i++) {
-		struct net_device *dev = alloc_etherdev(sizeof(net_local));
-		if (!dev)
-			break;
-		if (name[i])
-			strcpy(dev->name, name[i]);	/* Copy name */
-		dev->base_addr = io[i];
-		dev->irq = irq[i];
-
-		/* Check if there is something at this base address. */
-		if (wavelan_config(dev, io[i]) == 0) {
-			if (register_netdev(dev) != 0) {
-				release_region(dev->base_addr, sizeof(ha_t));
-				wavelan_list = wavelan_list->next;
-			} else {
-				ret = 0;
-				continue;
-			}
-		}
-		free_netdev(dev);
-	}
-
-#ifdef DEBUG_CONFIG_ERROR
-	if (!wavelan_list)
-		printk(KERN_WARNING
-		       "WaveLAN init_module(): no device found\n");
-#endif
-
-#ifdef DEBUG_MODULE_TRACE
-	printk(KERN_DEBUG "<- init_module()\n");
-#endif
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Removal of the module
- */
-void cleanup_module(void)
-{
-#ifdef DEBUG_MODULE_TRACE
-	printk(KERN_DEBUG "-> cleanup_module()\n");
-#endif
-
-	/* Loop on all devices and release them. */
-	while (wavelan_list) {
-		struct net_device *dev = wavelan_list->dev;
-
-#ifdef DEBUG_CONFIG_INFO
-		printk(KERN_DEBUG
-		       "%s: cleanup_module(): removing device at 0x%x\n",
-		       dev->name, (unsigned int) dev);
-#endif
-		unregister_netdev(dev);
-
-		release_region(dev->base_addr, sizeof(ha_t));
-		wavelan_list = wavelan_list->next;
-
-		free_netdev(dev);
-	}
-
-#ifdef DEBUG_MODULE_TRACE
-	printk(KERN_DEBUG "<- cleanup_module()\n");
-#endif
-}
-#endif				/* MODULE */
-MODULE_LICENSE("GPL");
-
-/*
- * This software may only be used and distributed
- * according to the terms of the GNU General Public License.
- *
- * This software was developed as a component of the
- * Linux operating system.
- * It is based on other device drivers and information
- * either written or supplied by:
- *	Ajay Bakre (bakre@paul.rutgers.edu),
- *	Donald Becker (becker@scyld.com),
- *	Loeke Brederveld (Loeke.Brederveld@Utrecht.NCR.com),
- *	Anders Klemets (klemets@it.kth.se),
- *	Vladimir V. Kolpakov (w@stier.koenig.ru),
- *	Marc Meertens (Marc.Meertens@Utrecht.NCR.com),
- *	Pauline Middelink (middelin@polyware.iaf.nl),
- *	Robert Morris (rtm@das.harvard.edu),
- *	Jean Tourrilhes (jt@hplb.hpl.hp.com),
- *	Girish Welling (welling@paul.rutgers.edu),
- *
- * Thanks go also to:
- *	James Ashton (jaa101@syseng.anu.edu.au),
- *	Alan Cox (alan@lxorguk.ukuu.org.uk),
- *	Allan Creighton (allanc@cs.usyd.edu.au),
- *	Matthew Geier (matthew@cs.usyd.edu.au),
- *	Remo di Giovanni (remo@cs.usyd.edu.au),
- *	Eckhard Grah (grah@wrcs1.urz.uni-wuppertal.de),
- *	Vipul Gupta (vgupta@cs.binghamton.edu),
- *	Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM),
- *	Tim Nicholson (tim@cs.usyd.edu.au),
- *	Ian Parkin (ian@cs.usyd.edu.au),
- *	John Rosenberg (johnr@cs.usyd.edu.au),
- *	George Rossi (george@phm.gov.au),
- *	Arthur Scott (arthur@cs.usyd.edu.au),
- *	Peter Storey,
- * for their assistance and advice.
- *
- * Please send bug reports, updates, comments to:
- *
- *bruce Janson                                    Email:  bruce@cs.usyd.edu.au
- *basser Department of Computer Science           Phone:  +61-2-9351-3423
- * University of Sydney, N.S.W., 2006, AUSTRALIA   Fax:    +61-2-9351-3838
- */
diff --git a/drivers/staging/wavelan/wavelan.h b/drivers/staging/wavelan/wavelan.h
deleted file mode 100644
index 1ebae10b869..00000000000
--- a/drivers/staging/wavelan/wavelan.h
+++ /dev/null
@@ -1,363 +0,0 @@
-/*
- *	WaveLAN ISA driver
- *
- *		Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- * Original copyright follows. See wavelan.p.h for details.
- *
- * This file contains the declarations for the WaveLAN hardware. Note that
- * the WaveLAN ISA includes a i82586 controller (see definitions in
- * file i82586.h).
- *
- * The main difference between the ISA hardware and the PCMCIA one is
- * the Ethernet controller (i82586 instead of i82593).
- * The i82586 allows multiple transmit buffers.  The PSA needs to be accessed
- * through the host interface.
- */
-
-#ifndef _WAVELAN_H
-#define	_WAVELAN_H
-
-/************************** MAGIC NUMBERS ***************************/
-
-/* Detection of the WaveLAN card is done by reading the MAC
- * address from the card and checking it.  If you have a non-AT&T
- * product (OEM, like DEC RoamAbout, Digital Ocean, or Epson),
- * you might need to modify this part to accommodate your hardware.
- */
-static const char	MAC_ADDRESSES[][3] = {
-  { 0x08, 0x00, 0x0E },		/* AT&T WaveLAN (standard) & DEC RoamAbout */
-  { 0x08, 0x00, 0x6A },		/* AT&T WaveLAN (alternate) */
-  { 0x00, 0x00, 0xE1 },		/* Hitachi Wavelan */
-  { 0x00, 0x60, 0x1D }		/* Lucent Wavelan (another one) */
-  /* Add your card here and send me the patch! */
-};
-
-#define WAVELAN_ADDR_SIZE	6	/* Size of a MAC address */
-
-#define WAVELAN_MTU		1500	/* Maximum size of WaveLAN packet */
-
-#define	MAXDATAZ		(WAVELAN_ADDR_SIZE + WAVELAN_ADDR_SIZE + 2 + WAVELAN_MTU)
-
-/*
- * Constants used to convert channels to frequencies
- */
-
-/* Frequency available in the 2.0 modem, in units of 250 kHz
- * (as read in the offset register of the dac area).
- * Used to map channel numbers used by `wfreqsel' to frequencies
- */
-static const short	channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
-				    0xD0, 0xF0, 0xF8, 0x150 };
-
-/* Frequencies of the 1.0 modem (fixed frequencies).
- * Use to map the PSA `subband' to a frequency
- * Note : all frequencies apart from the first one need to be multiplied by 10
- */
-static const int	fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
-
-
-
-/*************************** PC INTERFACE ****************************/
-
-/*
- * Host Adaptor structure.
- * (base is board port address).
- */
-typedef union hacs_u	hacs_u;
-union hacs_u {
-	unsigned short	hu_command;		/* Command register */
-#define		HACR_RESET		0x0001	/* Reset board */
-#define		HACR_CA			0x0002	/* Set Channel Attention for 82586 */
-#define		HACR_16BITS		0x0004	/* 16-bit operation (0 => 8bits) */
-#define		HACR_OUT0		0x0008	/* General purpose output pin 0 */
-						/* not used - must be 1 */
-#define		HACR_OUT1		0x0010	/* General purpose output pin 1 */
-						/* not used - must be 1 */
-#define		HACR_82586_INT_ENABLE	0x0020	/* Enable 82586 interrupts */
-#define		HACR_MMC_INT_ENABLE	0x0040	/* Enable MMC interrupts */
-#define		HACR_INTR_CLR_ENABLE	0x0080	/* Enable interrupt status read/clear */
-	unsigned short	hu_status;		/* Status Register */
-#define		HASR_82586_INTR		0x0001	/* Interrupt request from 82586 */
-#define		HASR_MMC_INTR		0x0002	/* Interrupt request from MMC */
-#define		HASR_MMC_BUSY		0x0004	/* MMC busy indication */
-#define		HASR_PSA_BUSY		0x0008	/* LAN parameter storage area busy */
-} __attribute__ ((packed));
-
-typedef struct ha_t	ha_t;
-struct ha_t {
-	hacs_u		ha_cs;		/* Command and status registers */
-#define 		ha_command	ha_cs.hu_command
-#define 		ha_status	ha_cs.hu_status
-	unsigned short	ha_mmcr;	/* Modem Management Ctrl Register */
-	unsigned short	ha_pior0;	/* Program I/O Address Register Port 0 */
-	unsigned short	ha_piop0;	/* Program I/O Port 0 */
-	unsigned short	ha_pior1;	/* Program I/O Address Register Port 1 */
-	unsigned short	ha_piop1;	/* Program I/O Port 1 */
-	unsigned short	ha_pior2;	/* Program I/O Address Register Port 2 */
-	unsigned short	ha_piop2;	/* Program I/O Port 2 */
-};
-
-#define HA_SIZE		16
-
-#define	hoff(p, f) 	(unsigned short)((void *)(&((ha_t *)((void *)0 + (p)))->f) - (void *)0)
-#define	HACR(p)		hoff(p, ha_command)
-#define	HASR(p)		hoff(p, ha_status)
-#define	MMCR(p)		hoff(p, ha_mmcr)
-#define	PIOR0(p)	hoff(p, ha_pior0)
-#define	PIOP0(p)	hoff(p, ha_piop0)
-#define	PIOR1(p)	hoff(p, ha_pior1)
-#define	PIOP1(p)	hoff(p, ha_piop1)
-#define	PIOR2(p)	hoff(p, ha_pior2)
-#define	PIOP2(p)	hoff(p, ha_piop2)
-
-/*
- * Program I/O Mode Register values.
- */
-#define STATIC_PIO		0	/* Mode 1: static mode */
-					/* RAM access ??? */
-#define AUTOINCR_PIO		1	/* Mode 2: auto increment mode */
-					/* RAM access ??? */
-#define AUTODECR_PIO		2	/* Mode 3: auto decrement mode */
-					/* RAM access ??? */
-#define PARAM_ACCESS_PIO	3	/* Mode 4: LAN parameter access mode */
-					/* Parameter access. */
-#define PIO_MASK		3	/* register mask */
-#define PIOM(cmd, piono)		((u_short)cmd << 10 << (piono * 2))
-
-#define	HACR_DEFAULT		(HACR_OUT0 | HACR_OUT1 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
-#define	HACR_INTRON		(HACR_82586_INT_ENABLE | HACR_MMC_INT_ENABLE | HACR_INTR_CLR_ENABLE)
-
-/************************** MEMORY LAYOUT **************************/
-
-/*
- * Onboard 64 k RAM layout.
- * (Offsets from 0x0000.)
- */
-#define OFFSET_RU		0x0000		/* 75% memory */
-#define OFFSET_CU		0xC000		/* 25% memory */
-#define OFFSET_SCB		(OFFSET_ISCP - sizeof(scb_t))
-#define OFFSET_ISCP		(OFFSET_SCP - sizeof(iscp_t))
-#define OFFSET_SCP		I82586_SCP_ADDR
-
-#define	RXBLOCKZ		(sizeof(fd_t) + sizeof(rbd_t) + MAXDATAZ)
-#define	TXBLOCKZ		(sizeof(ac_tx_t) + sizeof(ac_nop_t) + sizeof(tbd_t) + MAXDATAZ)
-
-#define	NRXBLOCKS		((OFFSET_CU - OFFSET_RU) / RXBLOCKZ)
-#define	NTXBLOCKS		((OFFSET_SCB - OFFSET_CU) / TXBLOCKZ)
-
-/********************** PARAMETER STORAGE AREA **********************/
-
-/*
- * Parameter Storage Area (PSA).
- */
-typedef struct psa_t	psa_t;
-struct psa_t {
-  unsigned char	psa_io_base_addr_1;	/* [0x00] Base address 1 ??? */
-  unsigned char	psa_io_base_addr_2;	/* [0x01] Base address 2 */
-  unsigned char	psa_io_base_addr_3;	/* [0x02] Base address 3 */
-  unsigned char	psa_io_base_addr_4;	/* [0x03] Base address 4 */
-  unsigned char	psa_rem_boot_addr_1;	/* [0x04] Remote Boot Address 1 */
-  unsigned char	psa_rem_boot_addr_2;	/* [0x05] Remote Boot Address 2 */
-  unsigned char	psa_rem_boot_addr_3;	/* [0x06] Remote Boot Address 3 */
-  unsigned char	psa_holi_params;	/* [0x07] HOst Lan Interface (HOLI) Parameters */
-  unsigned char	psa_int_req_no;		/* [0x08] Interrupt Request Line */
-  unsigned char	psa_unused0[7];		/* [0x09-0x0F] unused */
-
-  unsigned char	psa_univ_mac_addr[WAVELAN_ADDR_SIZE];	/* [0x10-0x15] Universal (factory) MAC Address */
-  unsigned char	psa_local_mac_addr[WAVELAN_ADDR_SIZE];	/* [0x16-1B] Local MAC Address */
-  unsigned char	psa_univ_local_sel;	/* [0x1C] Universal Local Selection */
-#define		PSA_UNIVERSAL	0		/* Universal (factory) */
-#define		PSA_LOCAL	1		/* Local */
-  unsigned char	psa_comp_number;	/* [0x1D] Compatibility Number:	 */
-#define		PSA_COMP_PC_AT_915	0 	/* PC-AT 915 MHz 	 */
-#define		PSA_COMP_PC_MC_915	1 	/* PC-MC 915 MHz	 */
-#define		PSA_COMP_PC_AT_2400	2 	/* PC-AT 2.4 GHz	 */
-#define		PSA_COMP_PC_MC_2400	3 	/* PC-MC 2.4 GHz 	 */
-#define		PSA_COMP_PCMCIA_915	4 	/* PCMCIA 915 MHz or 2.0 */
-  unsigned char	psa_thr_pre_set;	/* [0x1E] Modem Threshold Preset */
-  unsigned char	psa_feature_select;	/* [0x1F] Call code required (1=on) */
-#define		PSA_FEATURE_CALL_CODE	0x01 	/* Call code required (Japan) */
-  unsigned char	psa_subband;		/* [0x20] Subband	  */
-#define		PSA_SUBBAND_915		0	/* 915 MHz or 2.0 */
-#define		PSA_SUBBAND_2425	1	/* 2425 MHz	  */
-#define		PSA_SUBBAND_2460	2	/* 2460 MHz	  */
-#define		PSA_SUBBAND_2484	3	/* 2484 MHz	  */
-#define		PSA_SUBBAND_2430_5	4	/* 2430.5 MHz	  */
-  unsigned char	psa_quality_thr;	/* [0x21] Modem Quality Threshold */
-  unsigned char	psa_mod_delay;		/* [0x22] Modem Delay (?) (reserved) */
-  unsigned char	psa_nwid[2];		/* [0x23-0x24] Network ID */
-  unsigned char	psa_nwid_select;	/* [0x25] Network ID Select On/Off */
-  unsigned char	psa_encryption_select;	/* [0x26] Encryption On/Off */
-  unsigned char	psa_encryption_key[8];	/* [0x27-0x2E] Encryption Key */
-  unsigned char	psa_databus_width;	/* [0x2F] AT bus width select 8/16 */
-  unsigned char	psa_call_code[8];	/* [0x30-0x37] (Japan) Call Code */
-  unsigned char	psa_nwid_prefix[2];	/* [0x38-0x39] Roaming domain */
-  unsigned char	psa_reserved[2];	/* [0x3A-0x3B] Reserved - fixed 00 */
-  unsigned char	psa_conf_status;	/* [0x3C] Conf Status, bit 0=1:config*/
-  unsigned char	psa_crc[2];		/* [0x3D] CRC-16 over PSA */
-  unsigned char	psa_crc_status;		/* [0x3F] CRC Valid Flag */
-};
-
-#define	PSA_SIZE	64
-
-/* Calculate offset of a field in the above structure.
- * Warning:  only even addresses are used. */
-#define	psaoff(p, f) 	((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
-
-/******************** MODEM MANAGEMENT INTERFACE ********************/
-
-/*
- * Modem Management Controller (MMC) write structure.
- */
-typedef struct mmw_t	mmw_t;
-struct mmw_t {
-  unsigned char	mmw_encr_key[8];	/* encryption key */
-  unsigned char	mmw_encr_enable;	/* Enable or disable encryption. */
-#define	MMW_ENCR_ENABLE_MODE	0x02	/* mode of security option */
-#define	MMW_ENCR_ENABLE_EN	0x01	/* Enable security option. */
-  unsigned char	mmw_unused0[1];		/* unused */
-  unsigned char	mmw_des_io_invert;	/* encryption option */
-#define	MMW_DES_IO_INVERT_RES	0x0F	/* reserved */
-#define	MMW_DES_IO_INVERT_CTRL	0xF0	/* control (?) (set to 0) */
-  unsigned char	mmw_unused1[5];		/* unused */
-  unsigned char	mmw_loopt_sel;		/* looptest selection */
-#define	MMW_LOOPT_SEL_DIS_NWID	0x40	/* Disable NWID filtering. */
-#define	MMW_LOOPT_SEL_INT	0x20	/* Activate Attention Request. */
-#define	MMW_LOOPT_SEL_LS	0x10	/* looptest, no collision avoidance */
-#define MMW_LOOPT_SEL_LT3A	0x08	/* looptest 3a */
-#define	MMW_LOOPT_SEL_LT3B	0x04	/* looptest 3b */
-#define	MMW_LOOPT_SEL_LT3C	0x02	/* looptest 3c */
-#define	MMW_LOOPT_SEL_LT3D	0x01	/* looptest 3d */
-  unsigned char	mmw_jabber_enable;	/* jabber timer enable */
-  /* Abort transmissions > 200 ms */
-  unsigned char	mmw_freeze;		/* freeze or unfreeze signal level */
-  /* 0 : signal level & qual updated for every new message, 1 : frozen */
-  unsigned char	mmw_anten_sel;		/* antenna selection */
-#define MMW_ANTEN_SEL_SEL	0x01	/* direct antenna selection */
-#define	MMW_ANTEN_SEL_ALG_EN	0x02	/* antenna selection algo. enable */
-  unsigned char	mmw_ifs;		/* inter frame spacing */
-  /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
-  unsigned char	mmw_mod_delay;	 	/* modem delay (synchro) */
-  unsigned char	mmw_jam_time;		/* jamming time (after collision) */
-  unsigned char	mmw_unused2[1];		/* unused */
-  unsigned char	mmw_thr_pre_set;	/* level threshold preset */
-  /* Discard all packet with signal < this value (4) */
-  unsigned char	mmw_decay_prm;		/* decay parameters */
-  unsigned char	mmw_decay_updat_prm;	/* decay update parameters */
-  unsigned char	mmw_quality_thr;	/* quality (z-quotient) threshold */
-  /* Discard all packet with quality < this value (3) */
-  unsigned char	mmw_netw_id_l;		/* NWID low order byte */
-  unsigned char	mmw_netw_id_h;		/* NWID high order byte */
-  /* Network ID or Domain : create virtual net on the air */
-
-  /* 2.0 Hardware extension - frequency selection support */
-  unsigned char	mmw_mode_select;	/* for analog tests (set to 0) */
-  unsigned char	mmw_unused3[1];		/* unused */
-  unsigned char	mmw_fee_ctrl;		/* frequency EEPROM control */
-#define	MMW_FEE_CTRL_PRE	0x10	/* Enable protected instructions. */
-#define	MMW_FEE_CTRL_DWLD	0x08	/* Download EEPROM to mmc. */
-#define	MMW_FEE_CTRL_CMD	0x07	/* EEPROM commands:  */
-#define	MMW_FEE_CTRL_READ	0x06	/* Read */
-#define	MMW_FEE_CTRL_WREN	0x04	/* Write enable */
-#define	MMW_FEE_CTRL_WRITE	0x05	/* Write data to address. */
-#define	MMW_FEE_CTRL_WRALL	0x04	/* Write data to all addresses. */
-#define	MMW_FEE_CTRL_WDS	0x04	/* Write disable */
-#define	MMW_FEE_CTRL_PRREAD	0x16	/* Read addr from protect register */
-#define	MMW_FEE_CTRL_PREN	0x14	/* Protect register enable */
-#define	MMW_FEE_CTRL_PRCLEAR	0x17	/* Unprotect all registers. */
-#define	MMW_FEE_CTRL_PRWRITE	0x15	/* Write address in protect register */
-#define	MMW_FEE_CTRL_PRDS	0x14	/* Protect register disable */
-  /* Never issue the PRDS command:  it's irreversible! */
-
-  unsigned char	mmw_fee_addr;		/* EEPROM address */
-#define	MMW_FEE_ADDR_CHANNEL	0xF0	/* Select the channel. */
-#define	MMW_FEE_ADDR_OFFSET	0x0F	/* Offset in channel data */
-#define	MMW_FEE_ADDR_EN		0xC0	/* FEE_CTRL enable operations */
-#define	MMW_FEE_ADDR_DS		0x00	/* FEE_CTRL disable operations */
-#define	MMW_FEE_ADDR_ALL	0x40	/* FEE_CTRL all operations */
-#define	MMW_FEE_ADDR_CLEAR	0xFF	/* FEE_CTRL clear operations */
-
-  unsigned char	mmw_fee_data_l;		/* Write data to EEPROM. */
-  unsigned char	mmw_fee_data_h;		/* high octet */
-  unsigned char	mmw_ext_ant;		/* Setting for external antenna */
-#define	MMW_EXT_ANT_EXTANT	0x01	/* Select external antenna */
-#define	MMW_EXT_ANT_POL		0x02	/* Polarity of the antenna */
-#define	MMW_EXT_ANT_INTERNAL	0x00	/* Internal antenna */
-#define	MMW_EXT_ANT_EXTERNAL	0x03	/* External antenna */
-#define	MMW_EXT_ANT_IQ_TEST	0x1C	/* IQ test pattern (set to 0) */
-} __attribute__ ((packed));
-
-#define	MMW_SIZE	37
-
-#define	mmwoff(p, f) 	(unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
-
-/*
- * Modem Management Controller (MMC) read structure.
- */
-typedef struct mmr_t	mmr_t;
-struct mmr_t {
-  unsigned char	mmr_unused0[8];		/* unused */
-  unsigned char	mmr_des_status;		/* encryption status */
-  unsigned char	mmr_des_avail;		/* encryption available (0x55 read) */
-#define	MMR_DES_AVAIL_DES	0x55		/* DES available */
-#define	MMR_DES_AVAIL_AES	0x33		/* AES (AT&T) available */
-  unsigned char	mmr_des_io_invert;	/* des I/O invert register */
-  unsigned char	mmr_unused1[5];		/* unused */
-  unsigned char	mmr_dce_status;		/* DCE status */
-#define	MMR_DCE_STATUS_RX_BUSY		0x01	/* receiver busy */
-#define	MMR_DCE_STATUS_LOOPT_IND	0x02	/* loop test indicated */
-#define	MMR_DCE_STATUS_TX_BUSY		0x04	/* transmitter on */
-#define	MMR_DCE_STATUS_JBR_EXPIRED	0x08	/* jabber timer expired */
-#define MMR_DCE_STATUS			0x0F	/* mask to get the bits */
-  unsigned char	mmr_dsp_id;		/* DSP ID (AA = Daedalus rev A) */
-  unsigned char	mmr_unused2[2];		/* unused */
-  unsigned char	mmr_correct_nwid_l;	/* # of correct NWIDs rxd (low) */
-  unsigned char	mmr_correct_nwid_h;	/* # of correct NWIDs rxd (high) */
-  /* Warning:  read high-order octet first! */
-  unsigned char	mmr_wrong_nwid_l;	/* # of wrong NWIDs rxd (low) */
-  unsigned char	mmr_wrong_nwid_h;	/* # of wrong NWIDs rxd (high) */
-  unsigned char	mmr_thr_pre_set;	/* level threshold preset */
-#define	MMR_THR_PRE_SET		0x3F		/* level threshold preset */
-#define	MMR_THR_PRE_SET_CUR	0x80		/* Current signal above it */
-  unsigned char	mmr_signal_lvl;		/* signal level */
-#define	MMR_SIGNAL_LVL		0x3F		/* signal level */
-#define	MMR_SIGNAL_LVL_VALID	0x80		/* Updated since last read */
-  unsigned char	mmr_silence_lvl;	/* silence level (noise) */
-#define	MMR_SILENCE_LVL		0x3F		/* silence level */
-#define	MMR_SILENCE_LVL_VALID	0x80		/* Updated since last read */
-  unsigned char	mmr_sgnl_qual;		/* signal quality */
-#define	MMR_SGNL_QUAL		0x0F		/* signal quality */
-#define	MMR_SGNL_QUAL_ANT	0x80		/* current antenna used */
-  unsigned char	mmr_netw_id_l;		/* NWID low order byte (?) */
-  unsigned char	mmr_unused3[3];		/* unused */
-
-  /* 2.0 Hardware extension - frequency selection support */
-  unsigned char	mmr_fee_status;		/* Status of frequency EEPROM */
-#define	MMR_FEE_STATUS_ID	0xF0		/* Modem revision ID */
-#define	MMR_FEE_STATUS_DWLD	0x08		/* Download in progress */
-#define	MMR_FEE_STATUS_BUSY	0x04		/* EEPROM busy */
-  unsigned char	mmr_unused4[1];		/* unused */
-  unsigned char	mmr_fee_data_l;		/* Read data from EEPROM (low) */
-  unsigned char	mmr_fee_data_h;		/* Read data from EEPROM (high) */
-} __attribute__ ((packed));
-
-#define	MMR_SIZE	36
-
-#define	mmroff(p, f) 	(unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
-
-/* Make the two above structures one */
-typedef union mm_t {
-  struct mmw_t	w;	/* Write to the mmc */
-  struct mmr_t	r;	/* Read from the mmc */
-} mm_t;
-
-#endif /* _WAVELAN_H */
-
-/*
- * This software may only be used and distributed
- * according to the terms of the GNU General Public License.
- *
- * For more details, see wavelan.c.
- */
diff --git a/drivers/staging/wavelan/wavelan.p.h b/drivers/staging/wavelan/wavelan.p.h
deleted file mode 100644
index d5f322c68d0..00000000000
--- a/drivers/staging/wavelan/wavelan.p.h
+++ /dev/null
@@ -1,694 +0,0 @@
-/*
- *	WaveLAN ISA driver
- *
- *		Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- *
- * This file contains all definitions and declarations necessary for the
- * WaveLAN ISA driver.  This file is a private header, so it should
- * be included only in wavelan.c!
- */
-
-#ifndef WAVELAN_P_H
-#define WAVELAN_P_H
-
-/************************** DOCUMENTATION ***************************/
-/*
- * This driver provides a Linux interface to the WaveLAN ISA hardware.
- * The WaveLAN is a product of Lucent (http://www.wavelan.com/).
- * This division was formerly part of NCR and then AT&T.
- * WaveLANs are also distributed by DEC (RoamAbout DS) and Digital Ocean.
- *
- * To learn how to use this driver, read the NET3 HOWTO.
- * If you want to exploit the many other functionalities, read the comments
- * in the code.
- *
- * This driver is the result of the effort of many people (see below).
- */
-
-/* ------------------------ SPECIFIC NOTES ------------------------ */
-/*
- * Web page
- * --------
- *	I try to maintain a web page with the Wireless LAN Howto at :
- *	    http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html
- *
- * SMP
- * ---
- *	We now are SMP compliant (I eventually fixed the remaining bugs).
- *	The driver has been tested on a dual P6-150 and survived my usual
- *	set of torture tests.
- *	Anyway, I spent enough time chasing interrupt re-entrancy during
- *	errors or reconfigure, and I designed the locked/unlocked sections
- *	of the driver with great care, and with the recent addition of
- *	the spinlock (thanks to the new API), we should be quite close to
- *	the truth.
- *	The SMP/IRQ locking is quite coarse and conservative (i.e. not fast),
- *	but better safe than sorry (especially at 2 Mb/s ;-).
- *
- *	I have also looked into disabling only our interrupt on the card
- *	(via HACR) instead of all interrupts in the processor (via cli),
- *	so that other driver are not impacted, and it look like it's
- *	possible, but it's very tricky to do right (full of races). As
- *	the gain would be mostly for SMP systems, it can wait...
- *
- * Debugging and options
- * ---------------------
- *	You will find below a set of '#define" allowing a very fine control
- *	on the driver behaviour and the debug messages printed.
- *	The main options are :
- *	o SET_PSA_CRC, to have your card correctly recognised by
- *	  an access point and the Point-to-Point diagnostic tool.
- *	o USE_PSA_CONFIG, to read configuration from the PSA (EEprom)
- *	  (otherwise we always start afresh with some defaults)
- *
- * wavelan.o is too darned big
- * ---------------------------
- *	That's true!  There is a very simple way to reduce the driver
- *	object by 33%!  Comment out the following line:
- *		#include <linux/wireless.h>
- *	Other compile options can also reduce the size of it...
- *
- * MAC address and hardware detection:
- * -----------------------------------
- *	The detection code for the WaveLAN checks that the first three
- *	octets of the MAC address fit the company code.  This type of
- *	detection works well for AT&T cards (because the AT&T code is
- *	hardcoded in wavelan.h), but of course will fail for other
- *	manufacturers.
- *
- *	If you are sure that your card is derived from the WaveLAN,
- *	here is the way to configure it:
- *	1) Get your MAC address
- *		a) With your card utilities (wfreqsel, instconf, etc.)
- *		b) With the driver:
- *			o compile the kernel with DEBUG_CONFIG_INFO enabled
- *			o Boot and look the card messages
- *	2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan.h)
- *	3) Compile and verify
- *	4) Send me the MAC code.  I will include it in the next version.
- *
- */
-
-/* --------------------- WIRELESS EXTENSIONS --------------------- */
-/*
- * This driver is the first to support "wireless extensions".
- * This set of extensions provides a standard way to control the wireless
- * characteristics of the hardware.  Applications such as mobile IP may
- * take advantage of it.
- *
- * It might be a good idea as well to fetch the wireless tools to
- * configure the device and play a bit.
- */
-
-/* ---------------------------- FILES ---------------------------- */
-/*
- * wavelan.c:		actual code for the driver:  C functions
- *
- * wavelan.p.h:		private header:  local types and variables for driver
- *
- * wavelan.h:		description of the hardware interface and structs
- *
- * i82586.h:		description of the Ethernet controller
- */
-
-/* --------------------------- HISTORY --------------------------- */
-/*
- * This is based on information in the drivers' headers. It may not be
- * accurate, and I guarantee only my best effort.
- *
- * The history of the WaveLAN drivers is as complicated as the history of
- * the WaveLAN itself (NCR -> AT&T -> Lucent).
- *
- * It all started with Anders Klemets <klemets@paul.rutgers.edu>
- * writing a WaveLAN ISA driver for the Mach microkernel.  Girish
- * Welling <welling@paul.rutgers.edu> had also worked on it.
- * Keith Moore modified this for the PCMCIA hardware.
- *
- * Robert Morris <rtm@das.harvard.edu> ported these two drivers to BSDI
- * and added specific PCMCIA support (there is currently no equivalent
- * of the PCMCIA package under BSD).
- *
- * Jim Binkley <jrb@cs.pdx.edu> ported both BSDI drivers to FreeBSD.
- *
- * Bruce Janson <bruce@cs.usyd.edu.au> ported the BSDI ISA driver to Linux.
- *
- * Anthony D. Joseph <adj@lcs.mit.edu> started to modify Bruce's driver
- * (with help of the BSDI PCMCIA driver) for PCMCIA.
- * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished this work.
- * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start
- * 2.00 cards correctly (2.4 GHz with frequency selection).
- * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his
- * PCMCIA package (and bug corrections).
- *
- * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some
- * patches to the PCMCIA driver.  Later, I added code in the ISA driver
- * for Wireless Extensions and full support of frequency selection
- * cards.  Then, I did the same to the PCMCIA driver, and did some
- * reorganisation.  Finally, I came back to the ISA driver to
- * upgrade it at the same level as the PCMCIA one and reorganise
- * the code.
- * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me
- * much needed information on the WaveLAN hardware.
- */
-
-/* The original copyrights and literature mention others' names and
- * credits.  I don't know what their part in this development was.
- */
-
-/* By the way, for the copyright and legal stuff:
- * almost everybody wrote code under the GNU or BSD license (or similar),
- * and want their original copyright to remain somewhere in the
- * code (for myself, I go with the GPL).
- * Nobody wants to take responsibility for anything, except the fame.
- */
-
-/* --------------------------- CREDITS --------------------------- */
-/*
- * This software was developed as a component of the
- * Linux operating system.
- * It is based on other device drivers and information
- * either written or supplied by:
- *	Ajay Bakre <bakre@paul.rutgers.edu>,
- *	Donald Becker <becker@cesdis.gsfc.nasa.gov>,
- *	Loeke Brederveld <Loeke.Brederveld@Utrecht.NCR.com>,
- *	Brent Elphick <belphick@uwaterloo.ca>,
- *	Anders Klemets <klemets@it.kth.se>,
- *	Vladimir V. Kolpakov <w@stier.koenig.ru>,
- *	Marc Meertens <Marc.Meertens@Utrecht.NCR.com>,
- *	Pauline Middelink <middelin@polyware.iaf.nl>,
- *	Robert Morris <rtm@das.harvard.edu>,
- *	Jean Tourrilhes <jt@hpl.hp.com>,
- *	Girish Welling <welling@paul.rutgers.edu>,
- *	Clark Woodworth <clark@hiway1.exit109.com>
- *	Yongguang Zhang <ygz@isl.hrl.hac.com>
- *
- * Thanks go also to:
- *	James Ashton <jaa101@syseng.anu.edu.au>,
- *	Alan Cox <alan@lxorguk.ukuu.org.uk>,
- *	Allan Creighton <allanc@cs.usyd.edu.au>,
- *	Matthew Geier <matthew@cs.usyd.edu.au>,
- *	Remo di Giovanni <remo@cs.usyd.edu.au>,
- *	Eckhard Grah <grah@wrcs1.urz.uni-wuppertal.de>,
- *	Vipul Gupta <vgupta@cs.binghamton.edu>,
- *	Mark Hagan <mhagan@wtcpost.daytonoh.NCR.COM>,
- *	Tim Nicholson <tim@cs.usyd.edu.au>,
- *	Ian Parkin <ian@cs.usyd.edu.au>,
- *	John Rosenberg <johnr@cs.usyd.edu.au>,
- *	George Rossi <george@phm.gov.au>,
- *	Arthur Scott <arthur@cs.usyd.edu.au>,
- *	Stanislav Sinyagin <stas@isf.ru>
- *	and Peter Storey for their assistance and advice.
- *
- * Additional Credits:
- *
- *	My development has been done initially under Debian 1.1 (Linux 2.0.x)
- *	and now	under Debian 2.2, initially with an HP Vectra XP/60, and now
- *	an HP Vectra XP/90.
- *
- */
-
-/* ------------------------- IMPROVEMENTS ------------------------- */
-/*
- * I proudly present:
- *
- * Changes made in first pre-release:
- * ----------------------------------
- *	- reorganisation of the code, function name change
- *	- creation of private header (wavelan.p.h)
- *	- reorganised debug messages
- *	- more comments, history, etc.
- *	- mmc_init:  configure the PSA if not done
- *	- mmc_init:  correct default value of level threshold for PCMCIA
- *	- mmc_init:  2.00 detection better code for 2.00 initialization
- *	- better info at startup
- *	- IRQ setting (note:  this setting is permanent)
- *	- watchdog:  change strategy (and solve module removal problems)
- *	- add wireless extensions (ioctl and get_wireless_stats)
- *	  get/set nwid/frequency on fly, info for /proc/net/wireless
- *	- more wireless extensions:  SETSPY and GETSPY
- *	- make wireless extensions optional
- *	- private ioctl to set/get quality and level threshold, histogram
- *	- remove /proc/net/wavelan
- *	- suppress useless stuff from lp (net_local)
- *	- kernel 2.1 support (copy_to/from_user instead of memcpy_to/fromfs)
- *	- add message level (debug stuff in /var/adm/debug and errors not
- *	  displayed at console and still in /var/adm/messages)
- *	- multi device support
- *	- start fixing the probe (init code)
- *	- more inlines
- *	- man page
- *	- many other minor details and cleanups
- *
- * Changes made in second pre-release:
- * -----------------------------------
- *	- clean up init code (probe and module init)
- *	- better multiple device support (module)
- *	- name assignment (module)
- *
- * Changes made in third pre-release:
- * ----------------------------------
- *	- be more conservative on timers
- *	- preliminary support for multicast (I still lack some details)
- *
- * Changes made in fourth pre-release:
- * -----------------------------------
- *	- multicast (revisited and finished)
- *	- avoid reset in set_multicast_list (a really big hack)
- *	  if somebody could apply this code for other i82586 based drivers
- *	- share onboard memory 75% RU and 25% CU (instead of 50/50)
- *
- * Changes made for release in 2.1.15:
- * -----------------------------------
- *	- change the detection code for multi manufacturer code support
- *
- * Changes made for release in 2.1.17:
- * -----------------------------------
- *	- update to wireless extensions changes
- *	- silly bug in card initial configuration (psa_conf_status)
- *
- * Changes made for release in 2.1.27 & 2.0.30:
- * --------------------------------------------
- *	- small bug in debug code (probably not the last one...)
- *	- remove extern keyword for wavelan_probe()
- *	- level threshold is now a standard wireless extension (version 4 !)
- *	- modules parameters types (new module interface)
- *
- * Changes made for release in 2.1.36:
- * -----------------------------------
- *	- byte count stats (courtesy of David Hinds)
- *	- remove dev_tint stuff (courtesy of David Hinds)
- *	- encryption setting from Brent Elphick (thanks a lot!)
- *	- 'ioaddr' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin)
- *
- * Other changes (not by me) :
- * -------------------------
- *	- Spelling and gramar "rectification".
- *
- * Changes made for release in 2.0.37 & 2.2.2 :
- * ------------------------------------------
- *	- Correct status in /proc/net/wireless
- *	- Set PSA CRC to make PtP diagnostic tool happy (Bob Gray)
- *	- Module init code don't fail if we found at least one card in
- *	  the address list (Karlis Peisenieks)
- *	- Missing parenthesis (Christopher Peterson)
- *	- Correct i82586 configuration parameters
- *	- Encryption initialisation bug (Robert McCormack)
- *	- New mac addresses detected in the probe
- *	- Increase watchdog for busy environments
- *
- * Changes made for release in 2.0.38 & 2.2.7 :
- * ------------------------------------------
- *	- Correct the reception logic to better report errors and avoid
- *	  sending bogus packet up the stack
- *	- Delay RU config to avoid corrupting first received packet
- *	- Change config completion code (to actually check something)
- *	- Avoid reading out of bound in skbuf to transmit
- *	- Rectify a lot of (useless) debugging code
- *	- Change the way to `#ifdef SET_PSA_CRC'
- *
- * Changes made for release in 2.2.11 & 2.3.13 :
- * -------------------------------------------
- *	- Change e-mail and web page addresses
- *	- Watchdog timer is now correctly expressed in HZ, not in jiffies
- *	- Add channel number to the list of frequencies in range
- *	- Add the (short) list of bit-rates in range
- *	- Developp a new sensitivity... (sens.value & sens.fixed)
- *
- * Changes made for release in 2.2.14 & 2.3.23 :
- * -------------------------------------------
- *	- Fix check for root permission (break instead of exit)
- *	- New nwid & encoding setting (Wireless Extension 9)
- *
- * Changes made for release in 2.3.49 :
- * ----------------------------------
- *	- Indentation reformating (Alan)
- *	- Update to new network API (softnet - 2.3.43) :
- *		o replace dev->tbusy (Alan)
- *		o replace dev->tstart (Alan)
- *		o remove dev->interrupt (Alan)
- *		o add SMP locking via spinlock in splxx (me)
- *		o add spinlock in interrupt handler (me)
- *		o use kernel watchdog instead of ours (me)
- *		o increase watchdog timeout (kernel is more sensitive) (me)
- *		o verify that all the changes make sense and work (me)
- *	- Fixup a potential gotcha when reconfiguring and thighten a bit
- *		the interactions with Tx queue.
- *
- * Changes made for release in 2.4.0 :
- * ---------------------------------
- *	- Fix spinlock stupid bugs that I left in. The driver is now SMP
- *		compliant and doesn't lockup at startup.
- *
- * Changes made for release in 2.5.2 :
- * ---------------------------------
- *	- Use new driver API for Wireless Extensions :
- *		o got rid of wavelan_ioctl()
- *		o use a bunch of iw_handler instead
- *
- * Changes made for release in 2.5.35 :
- * ----------------------------------
- *	- Set dev->trans_start to avoid filling the logs
- *	- Handle better spurious/bogus interrupt
- *	- Avoid deadlocks in mmc_out()/mmc_in()
- *
- * Wishes & dreams:
- * ----------------
- *	- roaming (see Pcmcia driver)
- */
-
-/***************************** INCLUDES *****************************/
-
-#include	<linux/module.h>
-
-#include	<linux/kernel.h>
-#include	<linux/sched.h>
-#include	<linux/types.h>
-#include	<linux/fcntl.h>
-#include	<linux/interrupt.h>
-#include	<linux/stat.h>
-#include	<linux/ptrace.h>
-#include	<linux/ioport.h>
-#include	<linux/in.h>
-#include	<linux/string.h>
-#include	<linux/delay.h>
-#include	<linux/bitops.h>
-#include	<asm/system.h>
-#include	<asm/io.h>
-#include	<asm/dma.h>
-#include	<asm/uaccess.h>
-#include	<linux/errno.h>
-#include	<linux/netdevice.h>
-#include	<linux/etherdevice.h>
-#include	<linux/skbuff.h>
-#include	<linux/slab.h>
-#include	<linux/timer.h>
-#include	<linux/init.h>
-
-#include <linux/wireless.h>		/* Wireless extensions */
-#include <net/iw_handler.h>		/* Wireless handlers */
-
-/* WaveLAN declarations */
-#include	"i82586.h"
-#include	"wavelan.h"
-
-/************************** DRIVER OPTIONS **************************/
-/*
- * `#define' or `#undef' the following constant to change the behaviour
- * of the driver...
- */
-#undef SET_PSA_CRC		/* Calculate and set the CRC on PSA (slower) */
-#define USE_PSA_CONFIG		/* Use info from the PSA. */
-#undef EEPROM_IS_PROTECTED	/* doesn't seem to be necessary */
-#define MULTICAST_AVOID		/* Avoid extra multicast (I'm sceptical). */
-#undef SET_MAC_ADDRESS		/* Experimental */
-
-/* Warning:  this stuff will slow down the driver. */
-#define WIRELESS_SPY		/* Enable spying addresses. */
-#undef HISTOGRAM		/* Enable histogram of signal level. */
-
-/****************************** DEBUG ******************************/
-
-#undef DEBUG_MODULE_TRACE	/* module insertion/removal */
-#undef DEBUG_CALLBACK_TRACE	/* calls made by Linux */
-#undef DEBUG_INTERRUPT_TRACE	/* calls to handler */
-#undef DEBUG_INTERRUPT_INFO	/* type of interrupt and so on */
-#define DEBUG_INTERRUPT_ERROR	/* problems */
-#undef DEBUG_CONFIG_TRACE	/* Trace the config functions. */
-#undef DEBUG_CONFIG_INFO	/* what's going on */
-#define DEBUG_CONFIG_ERROR	/* errors on configuration */
-#undef DEBUG_TX_TRACE		/* transmission calls */
-#undef DEBUG_TX_INFO		/* header of the transmitted packet */
-#undef DEBUG_TX_FAIL		/* Normal failure conditions */
-#define DEBUG_TX_ERROR		/* Unexpected conditions */
-#undef DEBUG_RX_TRACE		/* transmission calls */
-#undef DEBUG_RX_INFO		/* header of the received packet */
-#undef DEBUG_RX_FAIL		/* Normal failure conditions */
-#define DEBUG_RX_ERROR		/* Unexpected conditions */
-
-#undef DEBUG_PACKET_DUMP	/* Dump packet on the screen if defined to 32. */
-#undef DEBUG_IOCTL_TRACE	/* misc. call by Linux */
-#undef DEBUG_IOCTL_INFO		/* various debugging info */
-#define DEBUG_IOCTL_ERROR	/* what's going wrong */
-#define DEBUG_BASIC_SHOW	/* Show basic startup info. */
-#undef DEBUG_VERSION_SHOW	/* Print version info. */
-#undef DEBUG_PSA_SHOW		/* Dump PSA to screen. */
-#undef DEBUG_MMC_SHOW		/* Dump mmc to screen. */
-#undef DEBUG_SHOW_UNUSED	/* Show unused fields too. */
-#undef DEBUG_I82586_SHOW	/* Show i82586 status. */
-#undef DEBUG_DEVICE_SHOW	/* Show device parameters. */
-
-/************************ CONSTANTS & MACROS ************************/
-
-#ifdef DEBUG_VERSION_SHOW
-static const char	*version	= "wavelan.c : v24 (SMP + wireless extensions) 11/12/01\n";
-#endif
-
-/* Watchdog temporisation */
-#define	WATCHDOG_JIFFIES	(512*HZ/100)
-
-/* ------------------------ PRIVATE IOCTL ------------------------ */
-
-#define SIOCSIPQTHR	SIOCIWFIRSTPRIV		/* Set quality threshold */
-#define SIOCGIPQTHR	(SIOCIWFIRSTPRIV + 1)	/* Get quality threshold */
-
-#define SIOCSIPHISTO	(SIOCIWFIRSTPRIV + 2)	/* Set histogram ranges */
-#define SIOCGIPHISTO	(SIOCIWFIRSTPRIV + 3)	/* Get histogram values */
-
-/****************************** TYPES ******************************/
-
-/* Shortcuts */
-typedef struct iw_statistics	iw_stats;
-typedef struct iw_quality	iw_qual;
-typedef struct iw_freq		iw_freq;
-typedef struct net_local	net_local;
-typedef struct timer_list	timer_list;
-
-/* Basic types */
-typedef u_char		mac_addr[WAVELAN_ADDR_SIZE];	/* Hardware address */
-
-/*
- * Static specific data for the interface.
- *
- * For each network interface, Linux keeps data in two structures:  "device"
- * keeps the generic data (same format for everybody) and "net_local" keeps
- * additional specific data.
- */
-struct net_local {
-  net_local *next;		/* linked list of the devices */
-  struct net_device *dev;		/* reverse link */
-  spinlock_t	spinlock;	/* Serialize access to the hardware (SMP) */
-  int		nresets;	/* number of hardware resets */
-  u_char	reconfig_82586;	/* We need to reconfigure the controller. */
-  u_char	promiscuous;	/* promiscuous mode */
-  int		mc_count;	/* number of multicast addresses */
-  u_short	hacr;		/* current host interface state */
-
-  int		tx_n_in_use;
-  u_short	rx_head;
-  u_short	rx_last;
-  u_short	tx_first_free;
-  u_short	tx_first_in_use;
-
-  iw_stats	wstats;		/* Wireless-specific statistics */
-
-  struct iw_spy_data	spy_data;
-  struct iw_public_data	wireless_data;
-
-#ifdef HISTOGRAM
-  int		his_number;		/* number of intervals */
-  u_char	his_range[16];		/* boundaries of interval ]n-1; n] */
-  u_long	his_sum[16];		/* sum in interval */
-#endif	/* HISTOGRAM */
-};
-
-/**************************** PROTOTYPES ****************************/
-
-/* ----------------------- MISC. SUBROUTINES ------------------------ */
-static u_char
-	wv_irq_to_psa(int);
-static int
-	wv_psa_to_irq(u_char);
-/* ------------------- HOST ADAPTER SUBROUTINES ------------------- */
-static inline u_short		/* data */
-	hasr_read(u_long);	/* Read the host interface:  base address */
-static inline void
-	hacr_write(u_long,	/* Write to host interface:  base address */
-		   u_short),	/* data */
-	hacr_write_slow(u_long,
-		   u_short),
-	set_chan_attn(u_long,	/* ioaddr */
-		      u_short),	/* hacr   */
-	wv_hacr_reset(u_long),	/* ioaddr */
-	wv_16_off(u_long,	/* ioaddr */
-		  u_short),	/* hacr   */
-	wv_16_on(u_long,	/* ioaddr */
-		 u_short),	/* hacr   */
-	wv_ints_off(struct net_device *),
-	wv_ints_on(struct net_device *);
-/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */
-static void
-	psa_read(u_long,	/* Read the Parameter Storage Area. */
-		 u_short,	/* hacr */
-		 int,		/* offset in PSA */
-		 u_char *,	/* buffer to fill */
-		 int),		/* size to read */
-	psa_write(u_long,	/* Write to the PSA. */
-		  u_short,	/* hacr */
-		  int,		/* offset in PSA */
-		  u_char *,	/* buffer in memory */
-		  int);		/* length of buffer */
-static inline void
-	mmc_out(u_long,		/* Write 1 byte to the Modem Manag Control. */
-		u_short,
-		u_char),
-	mmc_write(u_long,	/* Write n bytes to the MMC. */
-		  u_char,
-		  u_char *,
-		  int);
-static inline u_char		/* Read 1 byte from the MMC. */
-	mmc_in(u_long,
-	       u_short);
-static inline void
-	mmc_read(u_long,	/* Read n bytes from the MMC. */
-		 u_char,
-		 u_char *,
-		 int),
-	fee_wait(u_long,	/* Wait for frequency EEPROM:  base address */
-		 int,		/* base delay to wait for */
-		 int);		/* time to wait */
-static void
-	fee_read(u_long,	/* Read the frequency EEPROM:  base address */
-		 u_short,	/* destination offset */
-		 u_short *,	/* data buffer */
-		 int);		/* number of registers */
-/* ---------------------- I82586 SUBROUTINES ----------------------- */
-static /*inline*/ void
-	obram_read(u_long,	/* ioaddr */
-		   u_short,	/* o */
-		   u_char *,	/* b */
-		   int);	/* n */
-static inline void
-	obram_write(u_long,	/* ioaddr */
-		    u_short,	/* o */
-		    u_char *,	/* b */
-		    int);	/* n */
-static void
-	wv_ack(struct net_device *);
-static inline int
-	wv_synchronous_cmd(struct net_device *,
-			   const char *),
-	wv_config_complete(struct net_device *,
-			   u_long,
-			   net_local *);
-static int
-	wv_complete(struct net_device *,
-		    u_long,
-		    net_local *);
-static inline void
-	wv_82586_reconfig(struct net_device *);
-/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */
-#ifdef DEBUG_I82586_SHOW
-static void
-	wv_scb_show(unsigned short);
-#endif
-static inline void
-	wv_init_info(struct net_device *);	/* display startup info */
-/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
-static iw_stats *
-	wavelan_get_wireless_stats(struct net_device *);
-static void
-	wavelan_set_multicast_list(struct net_device *);
-/* ----------------------- PACKET RECEPTION ----------------------- */
-static inline void
-	wv_packet_read(struct net_device *,	/* Read a packet from a frame. */
-		       u_short,
-		       int),
-	wv_receive(struct net_device *);	/* Read all packets waiting. */
-/* --------------------- PACKET TRANSMISSION --------------------- */
-static inline int
-	wv_packet_write(struct net_device *,	/* Write a packet to the Tx buffer. */
-			void *,
-			short);
-static netdev_tx_t
-	wavelan_packet_xmit(struct sk_buff *,	/* Send a packet. */
-			    struct net_device *);
-/* -------------------- HARDWARE CONFIGURATION -------------------- */
-static inline int
-	wv_mmc_init(struct net_device *),	/* Initialize the modem. */
-	wv_ru_start(struct net_device *),	/* Start the i82586 receiver unit. */
-	wv_cu_start(struct net_device *),	/* Start the i82586 command unit. */
-	wv_82586_start(struct net_device *);	/* Start the i82586. */
-static void
-	wv_82586_config(struct net_device *);	/* Configure the i82586. */
-static inline void
-	wv_82586_stop(struct net_device *);
-static int
-	wv_hw_reset(struct net_device *),	/* Reset the WaveLAN hardware. */
-	wv_check_ioaddr(u_long,		/* ioaddr */
-			u_char *);	/* mac address (read) */
-/* ---------------------- INTERRUPT HANDLING ---------------------- */
-static irqreturn_t
-	wavelan_interrupt(int,		/* interrupt handler */
-			  void *);
-static void
-	wavelan_watchdog(struct net_device *);	/* transmission watchdog */
-/* ------------------- CONFIGURATION CALLBACKS ------------------- */
-static int
-	wavelan_open(struct net_device *),	/* Open the device. */
-	wavelan_close(struct net_device *),	/* Close the device. */
-	wavelan_config(struct net_device *, unsigned short);/* Configure one device. */
-extern struct net_device *wavelan_probe(int unit);	/* See Space.c. */
-
-/**************************** VARIABLES ****************************/
-
-/*
- * This is the root of the linked list of WaveLAN drivers
- * It is use to verify that we don't reuse the same base address
- * for two different drivers and to clean up when removing the module.
- */
-static net_local *	wavelan_list	= (net_local *) NULL;
-
-/*
- * This table is used to translate the PSA value to IRQ number
- * and vice versa.
- */
-static u_char	irqvals[]	= {
-	   0,    0,    0, 0x01,
-	0x02, 0x04,    0, 0x08,
-	   0,    0, 0x10, 0x20,
-	0x40,    0,    0, 0x80,
-};
-
-/*
- * Table of the available I/O addresses (base addresses) for WaveLAN
- */
-static unsigned short	iobase[]	= {
-#if	0
-  /* Leave out 0x3C0 for now -- seems to clash with some video
-   * controllers.
-   * Leave out the others too -- we will always use 0x390 and leave
-   * 0x300 for the Ethernet device.
-   * Jean II:  0x3E0 is fine as well.
-   */
-  0x300, 0x390, 0x3E0, 0x3C0
-#endif	/* 0 */
-  0x390, 0x3E0
-};
-
-#ifdef	MODULE
-/* Parameters set by insmod */
-static int	io[4];
-static int	irq[4];
-static char	*name[4];
-module_param_array(io, int, NULL, 0);
-module_param_array(irq, int, NULL, 0);
-module_param_array(name, charp, NULL, 0);
-
-MODULE_PARM_DESC(io, "WaveLAN I/O base address(es),required");
-MODULE_PARM_DESC(irq, "WaveLAN IRQ number(s)");
-MODULE_PARM_DESC(name, "WaveLAN interface neme(s)");
-#endif	/* MODULE */
-
-#endif	/* WAVELAN_P_H */
diff --git a/drivers/staging/wavelan/wavelan_cs.c b/drivers/staging/wavelan/wavelan_cs.c
deleted file mode 100644
index 04f691d127b..00000000000
--- a/drivers/staging/wavelan/wavelan_cs.c
+++ /dev/null
@@ -1,4610 +0,0 @@
-/*
- *	Wavelan Pcmcia driver
- *
- *		Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- * Original copyright follow. See wavelan_cs.p.h for details.
- *
- * This code is derived from Anthony D. Joseph's code and all the changes here
- * are also under the original copyright below.
- *
- * This code supports version 2.00 of WaveLAN/PCMCIA cards (2.4GHz), and
- * can work on Linux 2.0.36 with support of David Hinds' PCMCIA Card Services
- *
- * Joe Finney (joe@comp.lancs.ac.uk) at Lancaster University in UK added
- * critical code in the routine to initialize the Modem Management Controller.
- *
- * Thanks to Alan Cox and Bruce Janson for their advice.
- *
- *	-- Yunzhou Li (scip4166@nus.sg)
- *
-#ifdef WAVELAN_ROAMING	
- * Roaming support added 07/22/98 by Justin Seger (jseger@media.mit.edu)
- * based on patch by Joe Finney from Lancaster University.
-#endif
- *
- * Lucent (formerly AT&T GIS, formerly NCR) WaveLAN PCMCIA card: An
- * Ethernet-like radio transceiver controlled by an Intel 82593 coprocessor.
- *
- *   A non-shared memory PCMCIA ethernet driver for linux
- *
- * ISA version modified to support PCMCIA by Anthony Joseph (adj@lcs.mit.edu)
- *
- *
- * Joseph O'Sullivan & John Langford (josullvn@cs.cmu.edu & jcl@cs.cmu.edu)
- *
- * Apr 2 '98  made changes to bring the i82593 control/int handling in line
- *             with offical specs...
- *
- ****************************************************************************
- *   Copyright 1995
- *   Anthony D. Joseph
- *   Massachusetts Institute of Technology
- *
- *   Permission to use, copy, modify, and distribute this program
- *   for any purpose and without fee is hereby granted, provided
- *   that this copyright and permission notice appear on all copies
- *   and supporting documentation, the name of M.I.T. not be used
- *   in advertising or publicity pertaining to distribution of the
- *   program without specific prior permission, and notice be given
- *   in supporting documentation that copying and distribution is
- *   by permission of M.I.T.  M.I.T. makes no representations about
- *   the suitability of this software for any purpose.  It is pro-
- *   vided "as is" without express or implied warranty.         
- ****************************************************************************
- *
- */
-
-/* Do *NOT* add other headers here, you are guaranteed to be wrong - Jean II */
-#include "wavelan_cs.p.h"		/* Private header */
-
-#ifdef WAVELAN_ROAMING
-static void wl_cell_expiry(unsigned long data);
-static void wl_del_wavepoint(wavepoint_history *wavepoint, struct net_local *lp);
-static void wv_nwid_filter(unsigned char mode, net_local *lp);
-#endif  /*  WAVELAN_ROAMING  */
-
-/************************* MISC SUBROUTINES **************************/
-/*
- * Subroutines which won't fit in one of the following category
- * (wavelan modem or i82593)
- */
-
-/******************* MODEM MANAGEMENT SUBROUTINES *******************/
-/*
- * Useful subroutines to manage the modem of the wavelan
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Read from card's Host Adaptor Status Register.
- */
-static inline u_char
-hasr_read(u_long	base)
-{
-  return(inb(HASR(base)));
-} /* hasr_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Write to card's Host Adapter Command Register.
- */
-static inline void
-hacr_write(u_long	base,
-	   u_char	hacr)
-{
-  outb(hacr, HACR(base));
-} /* hacr_write */
-
-/*------------------------------------------------------------------*/
-/*
- * Write to card's Host Adapter Command Register. Include a delay for
- * those times when it is needed.
- */
-static void
-hacr_write_slow(u_long	base,
-		u_char	hacr)
-{
-  hacr_write(base, hacr);
-  /* delay might only be needed sometimes */
-  mdelay(1);
-} /* hacr_write_slow */
-
-/*------------------------------------------------------------------*/
-/*
- * Read the Parameter Storage Area from the WaveLAN card's memory
- */
-static void
-psa_read(struct net_device *	dev,
-	 int		o,	/* offset in PSA */
-	 u_char *	b,	/* buffer to fill */
-	 int		n)	/* size to read */
-{
-  net_local *lp = netdev_priv(dev);
-  u_char __iomem *ptr = lp->mem + PSA_ADDR + (o << 1);
-
-  while(n-- > 0)
-    {
-      *b++ = readb(ptr);
-      /* Due to a lack of address decode pins, the WaveLAN PCMCIA card
-       * only supports reading even memory addresses. That means the
-       * increment here MUST be two.
-       * Because of that, we can't use memcpy_fromio()...
-       */
-      ptr += 2;
-    }
-} /* psa_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Write the Parameter Storage Area to the WaveLAN card's memory
- */
-static void
-psa_write(struct net_device *	dev,
-	  int		o,	/* Offset in psa */
-	  u_char *	b,	/* Buffer in memory */
-	  int		n)	/* Length of buffer */
-{
-  net_local *lp = netdev_priv(dev);
-  u_char __iomem *ptr = lp->mem + PSA_ADDR + (o << 1);
-  int		count = 0;
-  unsigned int	base = dev->base_addr;
-  /* As there seem to have no flag PSA_BUSY as in the ISA model, we are
-   * oblige to verify this address to know when the PSA is ready... */
-  volatile u_char __iomem *verify = lp->mem + PSA_ADDR +
-    (psaoff(0, psa_comp_number) << 1);
-
-  /* Authorize writing to PSA */
-  hacr_write(base, HACR_PWR_STAT | HACR_ROM_WEN);
-
-  while(n-- > 0)
-    {
-      /* write to PSA */
-      writeb(*b++, ptr);
-      ptr += 2;
-
-      /* I don't have the spec, so I don't know what the correct
-       * sequence to write is. This hack seem to work for me... */
-      count = 0;
-      while((readb(verify) != PSA_COMP_PCMCIA_915) && (count++ < 100))
-	mdelay(1);
-    }
-
-  /* Put the host interface back in standard state */
-  hacr_write(base, HACR_DEFAULT);
-} /* psa_write */
-
-#ifdef SET_PSA_CRC
-/*------------------------------------------------------------------*/
-/*
- * Calculate the PSA CRC
- * Thanks to Valster, Nico <NVALSTER@wcnd.nl.lucent.com> for the code
- * NOTE: By specifying a length including the CRC position the
- * returned value should be zero. (i.e. a correct checksum in the PSA)
- *
- * The Windows drivers don't use the CRC, but the AP and the PtP tool
- * depend on it.
- */
-static u_short
-psa_crc(unsigned char *	psa,	/* The PSA */
-	int		size)	/* Number of short for CRC */
-{
-  int		byte_cnt;	/* Loop on the PSA */
-  u_short	crc_bytes = 0;	/* Data in the PSA */
-  int		bit_cnt;	/* Loop on the bits of the short */
-
-  for(byte_cnt = 0; byte_cnt < size; byte_cnt++ )
-    {
-      crc_bytes ^= psa[byte_cnt];	/* Its an xor */
-
-      for(bit_cnt = 1; bit_cnt < 9; bit_cnt++ )
-	{
-	  if(crc_bytes & 0x0001)
-	    crc_bytes = (crc_bytes >> 1) ^ 0xA001;
-	  else
-	    crc_bytes >>= 1 ;
-        }
-    }
-
-  return crc_bytes;
-} /* psa_crc */
-#endif	/* SET_PSA_CRC */
-
-/*------------------------------------------------------------------*/
-/*
- * update the checksum field in the Wavelan's PSA
- */
-static void
-update_psa_checksum(struct net_device *	dev)
-{
-#ifdef SET_PSA_CRC
-  psa_t		psa;
-  u_short	crc;
-
-  /* read the parameter storage area */
-  psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
-
-  /* update the checksum */
-  crc = psa_crc((unsigned char *) &psa,
-		sizeof(psa) - sizeof(psa.psa_crc[0]) - sizeof(psa.psa_crc[1])
-		- sizeof(psa.psa_crc_status));
-
-  psa.psa_crc[0] = crc & 0xFF;
-  psa.psa_crc[1] = (crc & 0xFF00) >> 8;
-
-  /* Write it ! */
-  psa_write(dev, (char *)&psa.psa_crc - (char *)&psa,
-	    (unsigned char *)&psa.psa_crc, 2);
-
-#ifdef DEBUG_IOCTL_INFO
-  printk (KERN_DEBUG "%s: update_psa_checksum(): crc = 0x%02x%02x\n",
-          dev->name, psa.psa_crc[0], psa.psa_crc[1]);
-
-  /* Check again (luxury !) */
-  crc = psa_crc((unsigned char *) &psa,
-		 sizeof(psa) - sizeof(psa.psa_crc_status));
-
-  if(crc != 0)
-    printk(KERN_WARNING "%s: update_psa_checksum(): CRC does not agree with PSA data (even after recalculating)\n", dev->name);
-#endif /* DEBUG_IOCTL_INFO */
-#endif	/* SET_PSA_CRC */
-} /* update_psa_checksum */
-
-/*------------------------------------------------------------------*/
-/*
- * Write 1 byte to the MMC.
- */
-static void
-mmc_out(u_long		base,
-	u_short		o,
-	u_char		d)
-{
-  int count = 0;
-
-  /* Wait for MMC to go idle */
-  while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
-    udelay(10);
-
-  outb((u_char)((o << 1) | MMR_MMI_WR), MMR(base));
-  outb(d, MMD(base));
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to write bytes to the Modem Management Controller.
- * We start by the end because it is the way it should be !
- */
-static void
-mmc_write(u_long	base,
-	  u_char	o,
-	  u_char *	b,
-	  int		n)
-{
-  o += n;
-  b += n;
-
-  while(n-- > 0 )
-    mmc_out(base, --o, *(--b));
-} /* mmc_write */
-
-/*------------------------------------------------------------------*/
-/*
- * Read 1 byte from the MMC.
- * Optimised version for 1 byte, avoid using memory...
- */
-static u_char
-mmc_in(u_long	base,
-       u_short	o)
-{
-  int count = 0;
-
-  while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
-    udelay(10);
-  outb(o << 1, MMR(base));		/* Set the read address */
-
-  outb(0, MMD(base));			/* Required dummy write */
-
-  while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
-    udelay(10);
-  return (u_char) (inb(MMD(base)));	/* Now do the actual read */
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to read bytes from the Modem Management Controller.
- * The implementation is complicated by a lack of address lines,
- * which prevents decoding of the low-order bit.
- * (code has just been moved in the above function)
- * We start by the end because it is the way it should be !
- */
-static void
-mmc_read(u_long		base,
-	 u_char		o,
-	 u_char *	b,
-	 int		n)
-{
-  o += n;
-  b += n;
-
-  while(n-- > 0)
-    *(--b) = mmc_in(base, --o);
-} /* mmc_read */
-
-/*------------------------------------------------------------------*/
-/*
- * Get the type of encryption available...
- */
-static inline int
-mmc_encr(u_long		base)	/* i/o port of the card */
-{
-  int	temp;
-
-  temp = mmc_in(base, mmroff(0, mmr_des_avail));
-  if((temp != MMR_DES_AVAIL_DES) && (temp != MMR_DES_AVAIL_AES))
-    return 0;
-  else
-    return temp;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wait for the frequency EEprom to complete a command...
- */
-static void
-fee_wait(u_long		base,	/* i/o port of the card */
-	 int		delay,	/* Base delay to wait for */
-	 int		number)	/* Number of time to wait */
-{
-  int		count = 0;	/* Wait only a limited time */
-
-  while((count++ < number) &&
-	(mmc_in(base, mmroff(0, mmr_fee_status)) & MMR_FEE_STATUS_BUSY))
-    udelay(delay);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Read bytes from the Frequency EEprom (frequency select cards).
- */
-static void
-fee_read(u_long		base,	/* i/o port of the card */
-	 u_short	o,	/* destination offset */
-	 u_short *	b,	/* data buffer */
-	 int		n)	/* number of registers */
-{
-  b += n;		/* Position at the end of the area */
-
-  /* Write the address */
-  mmc_out(base, mmwoff(0, mmw_fee_addr), o + n - 1);
-
-  /* Loop on all buffer */
-  while(n-- > 0)
-    {
-      /* Write the read command */
-      mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_READ);
-
-      /* Wait until EEprom is ready (should be quick !) */
-      fee_wait(base, 10, 100);
-
-      /* Read the value */
-      *--b = ((mmc_in(base, mmroff(0, mmr_fee_data_h)) << 8) |
-	      mmc_in(base, mmroff(0, mmr_fee_data_l)));
-    }
-}
-
-
-/*------------------------------------------------------------------*/
-/*
- * Write bytes from the Frequency EEprom (frequency select cards).
- * This is a bit complicated, because the frequency eeprom has to
- * be unprotected and the write enabled.
- * Jean II
- */
-static void
-fee_write(u_long	base,	/* i/o port of the card */
-	  u_short	o,	/* destination offset */
-	  u_short *	b,	/* data buffer */
-	  int		n)	/* number of registers */
-{
-  b += n;		/* Position at the end of the area */
-
-#ifdef EEPROM_IS_PROTECTED	/* disabled */
-#ifdef DOESNT_SEEM_TO_WORK	/* disabled */
-  /* Ask to read the protected register */
-  mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRREAD);
-
-  fee_wait(base, 10, 100);
-
-  /* Read the protected register */
-  printk("Protected 2 : %02X-%02X\n",
-	 mmc_in(base, mmroff(0, mmr_fee_data_h)),
-	 mmc_in(base, mmroff(0, mmr_fee_data_l)));
-#endif	/* DOESNT_SEEM_TO_WORK */
-
-  /* Enable protected register */
-  mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
-  mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PREN);
-
-  fee_wait(base, 10, 100);
-
-  /* Unprotect area */
-  mmc_out(base, mmwoff(0, mmw_fee_addr), o + n);
-  mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
-#ifdef DOESNT_SEEM_TO_WORK	/* disabled */
-  /* Or use : */
-  mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRCLEAR);
-#endif	/* DOESNT_SEEM_TO_WORK */
-
-  fee_wait(base, 10, 100);
-#endif	/* EEPROM_IS_PROTECTED */
-
-  /* Write enable */
-  mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
-  mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WREN);
-
-  fee_wait(base, 10, 100);
-
-  /* Write the EEprom address */
-  mmc_out(base, mmwoff(0, mmw_fee_addr), o + n - 1);
-
-  /* Loop on all buffer */
-  while(n-- > 0)
-    {
-      /* Write the value */
-      mmc_out(base, mmwoff(0, mmw_fee_data_h), (*--b) >> 8);
-      mmc_out(base, mmwoff(0, mmw_fee_data_l), *b & 0xFF);
-
-      /* Write the write command */
-      mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WRITE);
-
-      /* Wavelan doc says : wait at least 10 ms for EEBUSY = 0 */
-      mdelay(10);
-      fee_wait(base, 10, 100);
-    }
-
-  /* Write disable */
-  mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_DS);
-  mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WDS);
-
-  fee_wait(base, 10, 100);
-
-#ifdef EEPROM_IS_PROTECTED	/* disabled */
-  /* Reprotect EEprom */
-  mmc_out(base, mmwoff(0, mmw_fee_addr), 0x00);
-  mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
-
-  fee_wait(base, 10, 100);
-#endif	/* EEPROM_IS_PROTECTED */
-}
-
-/******************* WaveLAN Roaming routines... ********************/
-
-#ifdef WAVELAN_ROAMING	/* Conditional compile, see wavelan_cs.h */
-
-static unsigned char WAVELAN_BEACON_ADDRESS[] = {0x09,0x00,0x0e,0x20,0x03,0x00};
-  
-static void wv_roam_init(struct net_device *dev)
-{
-  net_local  *lp= netdev_priv(dev);
-
-  /* Do not remove this unless you have a good reason */
-  printk(KERN_NOTICE "%s: Warning, you have enabled roaming on"
-	 " device %s !\n", dev->name, dev->name);
-  printk(KERN_NOTICE "Roaming is currently an experimental unsupported feature"
-	 " of the Wavelan driver.\n");
-  printk(KERN_NOTICE "It may work, but may also make the driver behave in"
-	 " erratic ways or crash.\n");
-
-  lp->wavepoint_table.head=NULL;           /* Initialise WavePoint table */
-  lp->wavepoint_table.num_wavepoints=0;
-  lp->wavepoint_table.locked=0;
-  lp->curr_point=NULL;                        /* No default WavePoint */
-  lp->cell_search=0;
-  
-  lp->cell_timer.data=(long)lp;               /* Start cell expiry timer */
-  lp->cell_timer.function=wl_cell_expiry;
-  lp->cell_timer.expires=jiffies+CELL_TIMEOUT;
-  add_timer(&lp->cell_timer);
-  
-  wv_nwid_filter(NWID_PROMISC,lp) ;    /* Enter NWID promiscuous mode */
-  /* to build up a good WavePoint */
-                                           /* table... */
-  printk(KERN_DEBUG "WaveLAN: Roaming enabled on device %s\n",dev->name);
-}
- 
-static void wv_roam_cleanup(struct net_device *dev)
-{
-  wavepoint_history *ptr,*old_ptr;
-  net_local *lp= netdev_priv(dev);
-  
-  printk(KERN_DEBUG "WaveLAN: Roaming Disabled on device %s\n",dev->name);
-  
-  /* Fixme : maybe we should check that the timer exist before deleting it */
-  del_timer(&lp->cell_timer);          /* Remove cell expiry timer       */
-  ptr=lp->wavepoint_table.head;        /* Clear device's WavePoint table */
-  while(ptr!=NULL)
-    {
-      old_ptr=ptr;
-      ptr=ptr->next;	
-      wl_del_wavepoint(old_ptr,lp);	
-    }
-}
-
-/* Enable/Disable NWID promiscuous mode on a given device */
-static void wv_nwid_filter(unsigned char mode, net_local *lp)
-{
-  mm_t                  m;
-  unsigned long         flags;
-  
-#ifdef WAVELAN_ROAMING_DEBUG
-  printk(KERN_DEBUG "WaveLAN: NWID promisc %s, device %s\n",(mode==NWID_PROMISC) ? "on" : "off", lp->dev->name);
-#endif
-  
-  /* Disable interrupts & save flags */
-  spin_lock_irqsave(&lp->spinlock, flags);
-  
-  m.w.mmw_loopt_sel = (mode==NWID_PROMISC) ? MMW_LOOPT_SEL_DIS_NWID : 0x00;
-  mmc_write(lp->dev->base_addr, (char *)&m.w.mmw_loopt_sel - (char *)&m, (unsigned char *)&m.w.mmw_loopt_sel, 1);
-  
-  if(mode==NWID_PROMISC)
-    lp->cell_search=1;
-  else
-    lp->cell_search=0;
-
-  /* ReEnable interrupts & restore flags */
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-}
-
-/* Find a record in the WavePoint table matching a given NWID */
-static wavepoint_history *wl_roam_check(unsigned short nwid, net_local *lp)
-{
-  wavepoint_history	*ptr=lp->wavepoint_table.head;
-  
-  while(ptr!=NULL){
-    if(ptr->nwid==nwid)
-      return ptr;	
-    ptr=ptr->next;
-  }
-  return NULL;
-}
-
-/* Create a new wavepoint table entry */
-static wavepoint_history *wl_new_wavepoint(unsigned short nwid, unsigned char seq, net_local* lp)
-{
-  wavepoint_history *new_wavepoint;
-
-#ifdef WAVELAN_ROAMING_DEBUG	
-  printk(KERN_DEBUG "WaveLAN: New Wavepoint, NWID:%.4X\n",nwid);
-#endif
-  
-  if(lp->wavepoint_table.num_wavepoints==MAX_WAVEPOINTS)
-    return NULL;
-  
-  new_wavepoint = kmalloc(sizeof(wavepoint_history),GFP_ATOMIC);
-  if(new_wavepoint==NULL)
-    return NULL;
-  
-  new_wavepoint->nwid=nwid;                       /* New WavePoints NWID */
-  new_wavepoint->average_fast=0;                    /* Running Averages..*/
-  new_wavepoint->average_slow=0;
-  new_wavepoint->qualptr=0;                       /* Start of ringbuffer */
-  new_wavepoint->last_seq=seq-1;                /* Last sequence no.seen */
-  memset(new_wavepoint->sigqual,0,WAVEPOINT_HISTORY);/* Empty ringbuffer */
-  
-  new_wavepoint->next=lp->wavepoint_table.head;/* Add to wavepoint table */
-  new_wavepoint->prev=NULL;
-  
-  if(lp->wavepoint_table.head!=NULL)
-    lp->wavepoint_table.head->prev=new_wavepoint;
-  
-  lp->wavepoint_table.head=new_wavepoint;
-  
-  lp->wavepoint_table.num_wavepoints++;     /* no. of visible wavepoints */
-  
-  return new_wavepoint;
-}
-
-/* Remove a wavepoint entry from WavePoint table */
-static void wl_del_wavepoint(wavepoint_history *wavepoint, struct net_local *lp)
-{
-  if(wavepoint==NULL)
-    return;
-  
-  if(lp->curr_point==wavepoint)
-    lp->curr_point=NULL;
-  
-  if(wavepoint->prev!=NULL)
-    wavepoint->prev->next=wavepoint->next;
-  
-  if(wavepoint->next!=NULL)
-    wavepoint->next->prev=wavepoint->prev;
-  
-  if(lp->wavepoint_table.head==wavepoint)
-    lp->wavepoint_table.head=wavepoint->next;
-  
-  lp->wavepoint_table.num_wavepoints--;
-  kfree(wavepoint);
-}
-
-/* Timer callback function - checks WavePoint table for stale entries */ 
-static void wl_cell_expiry(unsigned long data)
-{
-  net_local *lp=(net_local *)data;
-  wavepoint_history *wavepoint=lp->wavepoint_table.head,*old_point;
-  
-#if WAVELAN_ROAMING_DEBUG > 1
-  printk(KERN_DEBUG "WaveLAN: Wavepoint timeout, dev %s\n",lp->dev->name);
-#endif
-  
-  if(lp->wavepoint_table.locked)
-    {
-#if WAVELAN_ROAMING_DEBUG > 1
-      printk(KERN_DEBUG "WaveLAN: Wavepoint table locked...\n");
-#endif
-      
-      lp->cell_timer.expires=jiffies+1; /* If table in use, come back later */
-      add_timer(&lp->cell_timer);
-      return;
-    }
-  
-  while(wavepoint!=NULL)
-    {
-      if(time_after(jiffies, wavepoint->last_seen + CELL_TIMEOUT))
-	{
-#ifdef WAVELAN_ROAMING_DEBUG
-	  printk(KERN_DEBUG "WaveLAN: Bye bye %.4X\n",wavepoint->nwid);
-#endif
-	  
-	  old_point=wavepoint;
-	  wavepoint=wavepoint->next;
-	  wl_del_wavepoint(old_point,lp);
-	}
-      else
-	wavepoint=wavepoint->next;
-    }
-  lp->cell_timer.expires=jiffies+CELL_TIMEOUT;
-  add_timer(&lp->cell_timer);
-}
-
-/* Update SNR history of a wavepoint */
-static void wl_update_history(wavepoint_history *wavepoint, unsigned char sigqual, unsigned char seq)	
-{
-  int i=0,num_missed=0,ptr=0;
-  int average_fast=0,average_slow=0;
-  
-  num_missed=(seq-wavepoint->last_seq)%WAVEPOINT_HISTORY;/* Have we missed
-							    any beacons? */
-  if(num_missed)
-    for(i=0;i<num_missed;i++)
-      {
-	wavepoint->sigqual[wavepoint->qualptr++]=0; /* If so, enter them as 0's */
-	wavepoint->qualptr %=WAVEPOINT_HISTORY;    /* in the ringbuffer. */
-      }
-  wavepoint->last_seen=jiffies;                 /* Add beacon to history */
-  wavepoint->last_seq=seq;	
-  wavepoint->sigqual[wavepoint->qualptr++]=sigqual;          
-  wavepoint->qualptr %=WAVEPOINT_HISTORY;
-  ptr=(wavepoint->qualptr-WAVEPOINT_FAST_HISTORY+WAVEPOINT_HISTORY)%WAVEPOINT_HISTORY;
-  
-  for(i=0;i<WAVEPOINT_FAST_HISTORY;i++)       /* Update running averages */
-    {
-      average_fast+=wavepoint->sigqual[ptr++];
-      ptr %=WAVEPOINT_HISTORY;
-    }
-  
-  average_slow=average_fast;
-  for(i=WAVEPOINT_FAST_HISTORY;i<WAVEPOINT_HISTORY;i++)
-    {
-      average_slow+=wavepoint->sigqual[ptr++];
-      ptr %=WAVEPOINT_HISTORY;
-    }
-  
-  wavepoint->average_fast=average_fast/WAVEPOINT_FAST_HISTORY;
-  wavepoint->average_slow=average_slow/WAVEPOINT_HISTORY;	
-}
-
-/* Perform a handover to a new WavePoint */
-static void wv_roam_handover(wavepoint_history *wavepoint, net_local *lp)
-{
-  unsigned int		base = lp->dev->base_addr;
-  mm_t                  m;
-  unsigned long         flags;
-
-  if(wavepoint==lp->curr_point)          /* Sanity check... */
-    {
-      wv_nwid_filter(!NWID_PROMISC,lp);
-      return;
-    }
-  
-#ifdef WAVELAN_ROAMING_DEBUG
-  printk(KERN_DEBUG "WaveLAN: Doing handover to %.4X, dev %s\n",wavepoint->nwid,lp->dev->name);
-#endif
- 	
-  /* Disable interrupts & save flags */
-  spin_lock_irqsave(&lp->spinlock, flags);
-
-  m.w.mmw_netw_id_l = wavepoint->nwid & 0xFF;
-  m.w.mmw_netw_id_h = (wavepoint->nwid & 0xFF00) >> 8;
-  
-  mmc_write(base, (char *)&m.w.mmw_netw_id_l - (char *)&m, (unsigned char *)&m.w.mmw_netw_id_l, 2);
-  
-  /* ReEnable interrupts & restore flags */
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-
-  wv_nwid_filter(!NWID_PROMISC,lp);
-  lp->curr_point=wavepoint;
-}
-
-/* Called when a WavePoint beacon is received */
-static void wl_roam_gather(struct net_device *  dev,
-			   u_char *  hdr,   /* Beacon header */
-			   u_char *  stats) /* SNR, Signal quality
-						      of packet */
-{
-  wavepoint_beacon *beacon= (wavepoint_beacon *)hdr; /* Rcvd. Beacon */
-  unsigned short nwid=ntohs(beacon->nwid);  
-  unsigned short sigqual=stats[2] & MMR_SGNL_QUAL;   /* SNR of beacon */
-  wavepoint_history *wavepoint=NULL;                /* WavePoint table entry */
-  net_local *lp = netdev_priv(dev);              /* Device info */
-
-#ifdef I_NEED_THIS_FEATURE
-  /* Some people don't need this, some other may need it */
-  nwid=nwid^ntohs(beacon->domain_id);
-#endif
-
-#if WAVELAN_ROAMING_DEBUG > 1
-  printk(KERN_DEBUG "WaveLAN: beacon, dev %s:\n",dev->name);
-  printk(KERN_DEBUG "Domain: %.4X NWID: %.4X SigQual=%d\n",ntohs(beacon->domain_id),nwid,sigqual);
-#endif
-  
-  lp->wavepoint_table.locked=1;                            /* <Mutex> */
-  
-  wavepoint=wl_roam_check(nwid,lp);            /* Find WavePoint table entry */
-  if(wavepoint==NULL)                    /* If no entry, Create a new one... */
-    {
-      wavepoint=wl_new_wavepoint(nwid,beacon->seq,lp);
-      if(wavepoint==NULL)
-	goto out;
-    }
-  if(lp->curr_point==NULL)             /* If this is the only WavePoint, */
-    wv_roam_handover(wavepoint, lp);	         /* Jump on it! */
-  
-  wl_update_history(wavepoint, sigqual, beacon->seq); /* Update SNR history
-							 stats. */
-  
-  if(lp->curr_point->average_slow < SEARCH_THRESH_LOW) /* If our current */
-    if(!lp->cell_search)                  /* WavePoint is getting faint, */
-      wv_nwid_filter(NWID_PROMISC,lp);    /* start looking for a new one */
-  
-  if(wavepoint->average_slow > 
-     lp->curr_point->average_slow + WAVELAN_ROAMING_DELTA)
-    wv_roam_handover(wavepoint, lp);   /* Handover to a better WavePoint */
-  
-  if(lp->curr_point->average_slow > SEARCH_THRESH_HIGH) /* If our SNR is */
-    if(lp->cell_search)  /* getting better, drop out of cell search mode */
-      wv_nwid_filter(!NWID_PROMISC,lp);
-  
-out:
-  lp->wavepoint_table.locked=0;                        /* </MUTEX>   :-) */
-}
-
-/* Test this MAC frame a WavePoint beacon */
-static inline int WAVELAN_BEACON(unsigned char *data)
-{
-  wavepoint_beacon *beacon= (wavepoint_beacon *)data;
-  static const wavepoint_beacon beacon_template={0xaa,0xaa,0x03,0x08,0x00,0x0e,0x20,0x03,0x00};
-  
-  if(memcmp(beacon,&beacon_template,9)==0)
-    return 1;
-  else
-    return 0;
-}
-#endif	/* WAVELAN_ROAMING */
-
-/************************ I82593 SUBROUTINES *************************/
-/*
- * Useful subroutines to manage the Ethernet controller
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to synchronously send a command to the i82593 chip. 
- * Should be called with interrupts disabled.
- * (called by wv_packet_write(), wv_ru_stop(), wv_ru_start(),
- *  wv_82593_config() & wv_diag())
- */
-static int
-wv_82593_cmd(struct net_device *	dev,
-	     char *	str,
-	     int	cmd,
-	     int	result)
-{
-  unsigned int	base = dev->base_addr;
-  int		status;
-  int		wait_completed;
-  long		spin;
-
-  /* Spin until the chip finishes executing its current command (if any) */
-  spin = 1000;
-  do
-    {
-      /* Time calibration of the loop */
-      udelay(10);
-
-      /* Read the interrupt register */
-      outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
-      status = inb(LCSR(base));
-    }
-  while(((status & SR3_EXEC_STATE_MASK) != SR3_EXEC_IDLE) && (spin-- > 0));
-
-  /* If the interrupt hasn't been posted */
-  if (spin < 0) {
-#ifdef DEBUG_INTERRUPT_ERROR
-      printk(KERN_INFO "wv_82593_cmd: %s timeout (previous command), status 0x%02x\n",
-	     str, status);
-#endif
-      return(FALSE);
-    }
-
-  /* Issue the command to the controller */
-  outb(cmd, LCCR(base));
-
-  /* If we don't have to check the result of the command
-   * Note : this mean that the irq handler will deal with that */
-  if(result == SR0_NO_RESULT)
-    return(TRUE);
-
-  /* We are waiting for command completion */
-  wait_completed = TRUE;
-
-  /* Busy wait while the LAN controller executes the command. */
-  spin = 1000;
-  do
-    {
-      /* Time calibration of the loop */
-      udelay(10);
-
-      /* Read the interrupt register */
-      outb(CR0_STATUS_0 | OP0_NOP, LCCR(base));
-      status = inb(LCSR(base));
-
-      /* Check if there was an interrupt posted */
-      if((status & SR0_INTERRUPT))
-	{
-	  /* Acknowledge the interrupt */
-	  outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
-
-	  /* Check if interrupt is a command completion */
-	  if(((status & SR0_BOTH_RX_TX) != SR0_BOTH_RX_TX) &&
-	     ((status & SR0_BOTH_RX_TX) != 0x0) &&
-	     !(status & SR0_RECEPTION))
-	    {
-	      /* Signal command completion */
-	      wait_completed = FALSE;
-	    }
-	  else
-	    {
-	      /* Note : Rx interrupts will be handled later, because we can
-	       * handle multiple Rx packets at once */
-#ifdef DEBUG_INTERRUPT_INFO
-	      printk(KERN_INFO "wv_82593_cmd: not our interrupt\n");
-#endif
-	    }
-	}
-    }
-  while(wait_completed && (spin-- > 0));
-
-  /* If the interrupt hasn't be posted */
-  if(wait_completed)
-    {
-#ifdef DEBUG_INTERRUPT_ERROR
-      printk(KERN_INFO "wv_82593_cmd: %s timeout, status 0x%02x\n",
-	     str, status);
-#endif
-      return(FALSE);
-    }
-
-  /* Check the return code returned by the card (see above) against
-   * the expected return code provided by the caller */
-  if((status & SR0_EVENT_MASK) != result)
-    {
-#ifdef DEBUG_INTERRUPT_ERROR
-      printk(KERN_INFO "wv_82593_cmd: %s failed, status = 0x%x\n",
-	     str, status);
-#endif
-      return(FALSE);
-    }
-
-  return(TRUE);
-} /* wv_82593_cmd */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does a 593 op-code number 7, and obtains the diagnose
- * status for the WaveLAN.
- */
-static inline int
-wv_diag(struct net_device *	dev)
-{
-  return(wv_82593_cmd(dev, "wv_diag(): diagnose",
-		      OP0_DIAGNOSE, SR0_DIAGNOSE_PASSED));
-} /* wv_diag */
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to read len bytes from the i82593's ring buffer, starting at
- * chip address addr. The results read from the chip are stored in buf.
- * The return value is the address to use for next the call.
- */
-static int
-read_ringbuf(struct net_device *	dev,
-	     int	addr,
-	     char *	buf,
-	     int	len)
-{
-  unsigned int	base = dev->base_addr;
-  int		ring_ptr = addr;
-  int		chunk_len;
-  char *	buf_ptr = buf;
-
-  /* Get all the buffer */
-  while(len > 0)
-    {
-      /* Position the Program I/O Register at the ring buffer pointer */
-      outb(ring_ptr & 0xff, PIORL(base));
-      outb(((ring_ptr >> 8) & PIORH_MASK), PIORH(base));
-
-      /* First, determine how much we can read without wrapping around the
-	 ring buffer */
-      if((addr + len) < (RX_BASE + RX_SIZE))
-	chunk_len = len;
-      else
-	chunk_len = RX_BASE + RX_SIZE - addr;
-      insb(PIOP(base), buf_ptr, chunk_len);
-      buf_ptr += chunk_len;
-      len -= chunk_len;
-      ring_ptr = (ring_ptr - RX_BASE + chunk_len) % RX_SIZE + RX_BASE;
-    }
-  return(ring_ptr);
-} /* read_ringbuf */
-
-/*------------------------------------------------------------------*/
-/*
- * Reconfigure the i82593, or at least ask for it...
- * Because wv_82593_config use the transmission buffer, we must do it
- * when we are sure that there is no transmission, so we do it now
- * or in wavelan_packet_xmit() (I can't find any better place,
- * wavelan_interrupt is not an option...), so you may experience
- * some delay sometime...
- */
-static void
-wv_82593_reconfig(struct net_device *	dev)
-{
-  net_local *		lp = netdev_priv(dev);
-  struct pcmcia_device *		link = lp->link;
-  unsigned long		flags;
-
-  /* Arm the flag, will be cleard in wv_82593_config() */
-  lp->reconfig_82593 = TRUE;
-
-  /* Check if we can do it now ! */
-  if((link->open) && (netif_running(dev)) && !(netif_queue_stopped(dev)))
-    {
-      spin_lock_irqsave(&lp->spinlock, flags);	/* Disable interrupts */
-      wv_82593_config(dev);
-      spin_unlock_irqrestore(&lp->spinlock, flags);	/* Re-enable interrupts */
-    }
-  else
-    {
-#ifdef DEBUG_IOCTL_INFO
-      printk(KERN_DEBUG
-	     "%s: wv_82593_reconfig(): delayed (state = %lX, link = %d)\n",
-	     dev->name, dev->state, link->open);
-#endif
-    }
-}
-
-/********************* DEBUG & INFO SUBROUTINES *********************/
-/*
- * This routines are used in the code to show debug informations.
- * Most of the time, it dump the content of hardware structures...
- */
-
-#ifdef DEBUG_PSA_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted contents of the Parameter Storage Area.
- */
-static void
-wv_psa_show(psa_t *	p)
-{
-  printk(KERN_DEBUG "##### wavelan psa contents: #####\n");
-  printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
-	 p->psa_io_base_addr_1,
-	 p->psa_io_base_addr_2,
-	 p->psa_io_base_addr_3,
-	 p->psa_io_base_addr_4);
-  printk(KERN_DEBUG "psa_rem_boot_addr_1: 0x%02X %02X %02X\n",
-	 p->psa_rem_boot_addr_1,
-	 p->psa_rem_boot_addr_2,
-	 p->psa_rem_boot_addr_3);
-  printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
-  printk("psa_int_req_no: %d\n", p->psa_int_req_no);
-#ifdef DEBUG_SHOW_UNUSED
-  printk(KERN_DEBUG "psa_unused0[]: %pM\n", p->psa_unused0);
-#endif	/* DEBUG_SHOW_UNUSED */
-  printk(KERN_DEBUG "psa_univ_mac_addr[]: %pM\n", p->psa_univ_mac_addr);
-  printk(KERN_DEBUG "psa_local_mac_addr[]: %pM\n", p->psa_local_mac_addr);
-  printk(KERN_DEBUG "psa_univ_local_sel: %d, ", p->psa_univ_local_sel);
-  printk("psa_comp_number: %d, ", p->psa_comp_number);
-  printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
-  printk(KERN_DEBUG "psa_feature_select/decay_prm: 0x%02x, ",
-	 p->psa_feature_select);
-  printk("psa_subband/decay_update_prm: %d\n", p->psa_subband);
-  printk(KERN_DEBUG "psa_quality_thr: 0x%02x, ", p->psa_quality_thr);
-  printk("psa_mod_delay: 0x%02x\n", p->psa_mod_delay);
-  printk(KERN_DEBUG "psa_nwid: 0x%02x%02x, ", p->psa_nwid[0], p->psa_nwid[1]);
-  printk("psa_nwid_select: %d\n", p->psa_nwid_select);
-  printk(KERN_DEBUG "psa_encryption_select: %d, ", p->psa_encryption_select);
-  printk("psa_encryption_key[]: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
-	 p->psa_encryption_key[0],
-	 p->psa_encryption_key[1],
-	 p->psa_encryption_key[2],
-	 p->psa_encryption_key[3],
-	 p->psa_encryption_key[4],
-	 p->psa_encryption_key[5],
-	 p->psa_encryption_key[6],
-	 p->psa_encryption_key[7]);
-  printk(KERN_DEBUG "psa_databus_width: %d\n", p->psa_databus_width);
-  printk(KERN_DEBUG "psa_call_code/auto_squelch: 0x%02x, ",
-	 p->psa_call_code[0]);
-  printk("psa_call_code[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-	 p->psa_call_code[0],
-	 p->psa_call_code[1],
-	 p->psa_call_code[2],
-	 p->psa_call_code[3],
-	 p->psa_call_code[4],
-	 p->psa_call_code[5],
-	 p->psa_call_code[6],
-	 p->psa_call_code[7]);
-#ifdef DEBUG_SHOW_UNUSED
-  printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
-	 p->psa_reserved[0],
-	 p->psa_reserved[1]);
-#endif	/* DEBUG_SHOW_UNUSED */
-  printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
-  printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
-  printk("psa_crc_status: 0x%02x\n", p->psa_crc_status);
-} /* wv_psa_show */
-#endif	/* DEBUG_PSA_SHOW */
-
-#ifdef DEBUG_MMC_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the Modem Management Controller.
- * This function need to be completed...
- */
-static void
-wv_mmc_show(struct net_device *	dev)
-{
-  unsigned int	base = dev->base_addr;
-  net_local *	lp = netdev_priv(dev);
-  mmr_t		m;
-
-  /* Basic check */
-  if(hasr_read(base) & HASR_NO_CLK)
-    {
-      printk(KERN_WARNING "%s: wv_mmc_show: modem not connected\n",
-	     dev->name);
-      return;
-    }
-
-  spin_lock_irqsave(&lp->spinlock, flags);
-
-  /* Read the mmc */
-  mmc_out(base, mmwoff(0, mmw_freeze), 1);
-  mmc_read(base, 0, (u_char *)&m, sizeof(m));
-  mmc_out(base, mmwoff(0, mmw_freeze), 0);
-
-  /* Don't forget to update statistics */
-  lp->wstats.discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
-
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-
-  printk(KERN_DEBUG "##### wavelan modem status registers: #####\n");
-#ifdef DEBUG_SHOW_UNUSED
-  printk(KERN_DEBUG "mmc_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-	 m.mmr_unused0[0],
-	 m.mmr_unused0[1],
-	 m.mmr_unused0[2],
-	 m.mmr_unused0[3],
-	 m.mmr_unused0[4],
-	 m.mmr_unused0[5],
-	 m.mmr_unused0[6],
-	 m.mmr_unused0[7]);
-#endif	/* DEBUG_SHOW_UNUSED */
-  printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
-	 m.mmr_des_avail, m.mmr_des_status);
-#ifdef DEBUG_SHOW_UNUSED
-  printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
-	 m.mmr_unused1[0],
-	 m.mmr_unused1[1],
-	 m.mmr_unused1[2],
-	 m.mmr_unused1[3],
-	 m.mmr_unused1[4]);
-#endif	/* DEBUG_SHOW_UNUSED */
-  printk(KERN_DEBUG "dce_status: 0x%x [%s%s%s%s]\n",
-	 m.mmr_dce_status,
-	 (m.mmr_dce_status & MMR_DCE_STATUS_RX_BUSY) ? "energy detected,":"",
-	 (m.mmr_dce_status & MMR_DCE_STATUS_LOOPT_IND) ?
-	 "loop test indicated," : "",
-	 (m.mmr_dce_status & MMR_DCE_STATUS_TX_BUSY) ? "transmitter on," : "",
-	 (m.mmr_dce_status & MMR_DCE_STATUS_JBR_EXPIRED) ?
-	 "jabber timer expired," : "");
-  printk(KERN_DEBUG "Dsp ID: %02X\n",
-	 m.mmr_dsp_id);
-#ifdef DEBUG_SHOW_UNUSED
-  printk(KERN_DEBUG "mmc_unused2[]: %02X:%02X\n",
-	 m.mmr_unused2[0],
-	 m.mmr_unused2[1]);
-#endif	/* DEBUG_SHOW_UNUSED */
-  printk(KERN_DEBUG "# correct_nwid: %d, # wrong_nwid: %d\n",
-	 (m.mmr_correct_nwid_h << 8) | m.mmr_correct_nwid_l,
-	 (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l);
-  printk(KERN_DEBUG "thr_pre_set: 0x%x [current signal %s]\n",
-	 m.mmr_thr_pre_set & MMR_THR_PRE_SET,
-	 (m.mmr_thr_pre_set & MMR_THR_PRE_SET_CUR) ? "above" : "below");
-  printk(KERN_DEBUG "signal_lvl: %d [%s], ",
-	 m.mmr_signal_lvl & MMR_SIGNAL_LVL,
-	 (m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) ? "new msg" : "no new msg");
-  printk("silence_lvl: %d [%s], ", m.mmr_silence_lvl & MMR_SILENCE_LVL,
-	 (m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) ? "update done" : "no new update");
-  printk("sgnl_qual: 0x%x [%s]\n", m.mmr_sgnl_qual & MMR_SGNL_QUAL,
-	 (m.mmr_sgnl_qual & MMR_SGNL_QUAL_ANT) ? "Antenna 1" : "Antenna 0");
-#ifdef DEBUG_SHOW_UNUSED
-  printk(KERN_DEBUG "netw_id_l: %x\n", m.mmr_netw_id_l);
-#endif	/* DEBUG_SHOW_UNUSED */
-} /* wv_mmc_show */
-#endif	/* DEBUG_MMC_SHOW */
-
-#ifdef DEBUG_I82593_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the i82593's receive unit.
- */
-static void
-wv_ru_show(struct net_device *	dev)
-{
-  net_local *lp = netdev_priv(dev);
-
-  printk(KERN_DEBUG "##### wavelan i82593 receiver status: #####\n");
-  printk(KERN_DEBUG "ru: rfp %d stop %d", lp->rfp, lp->stop);
-  /*
-   * Not implemented yet...
-   */
-  printk("\n");
-} /* wv_ru_show */
-#endif	/* DEBUG_I82593_SHOW */
-
-#ifdef DEBUG_DEVICE_SHOW
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the WaveLAN PCMCIA device driver.
- */
-static void
-wv_dev_show(struct net_device *	dev)
-{
-  printk(KERN_DEBUG "dev:");
-  printk(" state=%lX,", dev->state);
-  printk(" trans_start=%ld,", dev->trans_start);
-  printk(" flags=0x%x,", dev->flags);
-  printk("\n");
-} /* wv_dev_show */
-
-/*------------------------------------------------------------------*/
-/*
- * Print the formatted status of the WaveLAN PCMCIA device driver's
- * private information.
- */
-static void
-wv_local_show(struct net_device *	dev)
-{
-  net_local *lp = netdev_priv(dev);
-
-  printk(KERN_DEBUG "local:");
-  /*
-   * Not implemented yet...
-   */
-  printk("\n");
-} /* wv_local_show */
-#endif	/* DEBUG_DEVICE_SHOW */
-
-#if defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO)
-/*------------------------------------------------------------------*/
-/*
- * Dump packet header (and content if necessary) on the screen
- */
-static void
-wv_packet_info(u_char *		p,		/* Packet to dump */
-	       int		length,		/* Length of the packet */
-	       char *		msg1,		/* Name of the device */
-	       char *		msg2)		/* Name of the function */
-{
-  int		i;
-  int		maxi;
-
-  printk(KERN_DEBUG "%s: %s(): dest %pM, length %d\n",
-	 msg1, msg2, p, length);
-  printk(KERN_DEBUG "%s: %s(): src %pM, type 0x%02X%02X\n",
-	 msg1, msg2, &p[6], p[12], p[13]);
-
-#ifdef DEBUG_PACKET_DUMP
-
-  printk(KERN_DEBUG "data=\"");
-
-  if((maxi = length) > DEBUG_PACKET_DUMP)
-    maxi = DEBUG_PACKET_DUMP;
-  for(i = 14; i < maxi; i++)
-    if(p[i] >= ' ' && p[i] <= '~')
-      printk(" %c", p[i]);
-    else
-      printk("%02X", p[i]);
-  if(maxi < length)
-    printk("..");
-  printk("\"\n");
-  printk(KERN_DEBUG "\n");
-#endif	/* DEBUG_PACKET_DUMP */
-}
-#endif	/* defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO) */
-
-/*------------------------------------------------------------------*/
-/*
- * This is the information which is displayed by the driver at startup
- * There  is a lot of flag to configure it at your will...
- */
-static void
-wv_init_info(struct net_device *	dev)
-{
-  unsigned int	base = dev->base_addr;
-  psa_t		psa;
-
-  /* Read the parameter storage area */
-  psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
-
-#ifdef DEBUG_PSA_SHOW
-  wv_psa_show(&psa);
-#endif
-#ifdef DEBUG_MMC_SHOW
-  wv_mmc_show(dev);
-#endif
-#ifdef DEBUG_I82593_SHOW
-  wv_ru_show(dev);
-#endif
-
-#ifdef DEBUG_BASIC_SHOW
-  /* Now, let's go for the basic stuff */
-  printk(KERN_NOTICE "%s: WaveLAN: port %#x, irq %d, hw_addr %pM",
-	 dev->name, base, dev->irq, dev->dev_addr);
-
-  /* Print current network id */
-  if(psa.psa_nwid_select)
-    printk(", nwid 0x%02X-%02X", psa.psa_nwid[0], psa.psa_nwid[1]);
-  else
-    printk(", nwid off");
-
-  /* If 2.00 card */
-  if(!(mmc_in(base, mmroff(0, mmr_fee_status)) &
-       (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
-    {
-      unsigned short	freq;
-
-      /* Ask the EEprom to read the frequency from the first area */
-      fee_read(base, 0x00 /* 1st area - frequency... */,
-	       &freq, 1);
-
-      /* Print frequency */
-      printk(", 2.00, %ld", (freq >> 6) + 2400L);
-
-      /* Hack !!! */
-      if(freq & 0x20)
-	printk(".5");
-    }
-  else
-    {
-      printk(", PCMCIA, ");
-      switch (psa.psa_subband)
-	{
-	case PSA_SUBBAND_915:
-	  printk("915");
-	  break;
-	case PSA_SUBBAND_2425:
-	  printk("2425");
-	  break;
-	case PSA_SUBBAND_2460:
-	  printk("2460");
-	  break;
-	case PSA_SUBBAND_2484:
-	  printk("2484");
-	  break;
-	case PSA_SUBBAND_2430_5:
-	  printk("2430.5");
-	  break;
-	default:
-	  printk("unknown");
-	}
-    }
-
-  printk(" MHz\n");
-#endif	/* DEBUG_BASIC_SHOW */
-
-#ifdef DEBUG_VERSION_SHOW
-  /* Print version information */
-  printk(KERN_NOTICE "%s", version);
-#endif
-} /* wv_init_info */
-
-/********************* IOCTL, STATS & RECONFIG *********************/
-/*
- * We found here routines that are called by Linux on differents
- * occasions after the configuration and not for transmitting data
- * These may be called when the user use ifconfig, /proc/net/dev
- * or wireless extensions
- */
-
-
-/*------------------------------------------------------------------*/
-/*
- * Set or clear the multicast filter for this adaptor.
- * num_addrs == -1	Promiscuous mode, receive all packets
- * num_addrs == 0	Normal mode, clear multicast list
- * num_addrs > 0	Multicast mode, receive normal and MC packets,
- *			and do best-effort filtering.
- */
-
-static void
-wavelan_set_multicast_list(struct net_device *	dev)
-{
-  net_local *	lp = netdev_priv(dev);
-
-#ifdef DEBUG_IOCTL_TRACE
-  printk(KERN_DEBUG "%s: ->wavelan_set_multicast_list()\n", dev->name);
-#endif
-
-#ifdef DEBUG_IOCTL_INFO
-  printk(KERN_DEBUG "%s: wavelan_set_multicast_list(): setting Rx mode %02X to %d addresses.\n",
-	 dev->name, dev->flags, netdev_mc_count(dev));
-#endif
-
-  if(dev->flags & IFF_PROMISC)
-    {
-      /*
-       * Enable promiscuous mode: receive all packets.
-       */
-      if(!lp->promiscuous)
-	{
-	  lp->promiscuous = 1;
-	  lp->allmulticast = 0;
-	  lp->mc_count = 0;
-
-	  wv_82593_reconfig(dev);
-	}
-    }
-  else
-    /* If all multicast addresses
-     * or too much multicast addresses for the hardware filter */
-    if((dev->flags & IFF_ALLMULTI) ||
-       (netdev_mc_count(dev) > I82593_MAX_MULTICAST_ADDRESSES))
-      {
-	/*
-	 * Disable promiscuous mode, but active the all multicast mode
-	 */
-	if(!lp->allmulticast)
-	  {
-	    lp->promiscuous = 0;
-	    lp->allmulticast = 1;
-	    lp->mc_count = 0;
-
-	    wv_82593_reconfig(dev);
-	  }
-      }
-    else
-      /* If there is some multicast addresses to send */
-      if (!netdev_mc_empty(dev)) {
-	  /*
-	   * Disable promiscuous mode, but receive all packets
-	   * in multicast list
-	   */
-#ifdef MULTICAST_AVOID
-	  if(lp->promiscuous || lp->allmulticast ||
-	     (netdev_mc_count(dev) != lp->mc_count))
-#endif
-	    {
-	      lp->promiscuous = 0;
-	      lp->allmulticast = 0;
-	      lp->mc_count = netdev_mc_count(dev);
-
-	      wv_82593_reconfig(dev);
-	    }
-	}
-      else
-	{
-	  /*
-	   * Switch to normal mode: disable promiscuous mode and 
-	   * clear the multicast list.
-	   */
-	  if(lp->promiscuous || lp->mc_count == 0)
-	    {
-	      lp->promiscuous = 0;
-	      lp->allmulticast = 0;
-	      lp->mc_count = 0;
-
-	      wv_82593_reconfig(dev);
-	    }
-	}
-#ifdef DEBUG_IOCTL_TRACE
-  printk(KERN_DEBUG "%s: <-wavelan_set_multicast_list()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This function doesn't exist...
- * (Note : it was a nice way to test the reconfigure stuff...)
- */
-#ifdef SET_MAC_ADDRESS
-static int
-wavelan_set_mac_address(struct net_device *	dev,
-			void *		addr)
-{
-  struct sockaddr *	mac = addr;
-
-  /* Copy the address */
-  memcpy(dev->dev_addr, mac->sa_data, WAVELAN_ADDR_SIZE);
-
-  /* Reconfig the beast */
-  wv_82593_reconfig(dev);
-
-  return 0;
-}
-#endif	/* SET_MAC_ADDRESS */
-
-
-/*------------------------------------------------------------------*/
-/*
- * Frequency setting (for hardware able of it)
- * It's a bit complicated and you don't really want to look into it...
- */
-static int
-wv_set_frequency(u_long		base,	/* i/o port of the card */
-		 iw_freq *	frequency)
-{
-  const int	BAND_NUM = 10;	/* Number of bands */
-  long		freq = 0L;	/* offset to 2.4 GHz in .5 MHz */
-#ifdef DEBUG_IOCTL_INFO
-  int		i;
-#endif
-
-  /* Setting by frequency */
-  /* Theoritically, you may set any frequency between
-   * the two limits with a 0.5 MHz precision. In practice,
-   * I don't want you to have trouble with local
-   * regulations... */
-  if((frequency->e == 1) &&
-     (frequency->m >= (int) 2.412e8) && (frequency->m <= (int) 2.487e8))
-    {
-      freq = ((frequency->m / 10000) - 24000L) / 5;
-    }
-
-  /* Setting by channel (same as wfreqsel) */
-  /* Warning : each channel is 22MHz wide, so some of the channels
-   * will interfere... */
-  if((frequency->e == 0) &&
-     (frequency->m >= 0) && (frequency->m < BAND_NUM))
-    {
-      /* Get frequency offset. */
-      freq = channel_bands[frequency->m] >> 1;
-    }
-
-  /* Verify if the frequency is allowed */
-  if(freq != 0L)
-    {
-      u_short	table[10];	/* Authorized frequency table */
-
-      /* Read the frequency table */
-      fee_read(base, 0x71 /* frequency table */,
-	       table, 10);
-
-#ifdef DEBUG_IOCTL_INFO
-      printk(KERN_DEBUG "Frequency table :");
-      for(i = 0; i < 10; i++)
-	{
-	  printk(" %04X",
-		 table[i]);
-	}
-      printk("\n");
-#endif
-
-      /* Look in the table if the frequency is allowed */
-      if(!(table[9 - ((freq - 24) / 16)] &
-	   (1 << ((freq - 24) % 16))))
-	return -EINVAL;		/* not allowed */
-    }
-  else
-    return -EINVAL;
-
-  /* If we get a usable frequency */
-  if(freq != 0L)
-    {
-      unsigned short	area[16];
-      unsigned short	dac[2];
-      unsigned short	area_verify[16];
-      unsigned short	dac_verify[2];
-      /* Corresponding gain (in the power adjust value table)
-       * see AT&T Wavelan Data Manual, REF 407-024689/E, page 3-8
-       * & WCIN062D.DOC, page 6.2.9 */
-      unsigned short	power_limit[] = { 40, 80, 120, 160, 0 };
-      int		power_band = 0;		/* Selected band */
-      unsigned short	power_adjust;		/* Correct value */
-
-      /* Search for the gain */
-      power_band = 0;
-      while((freq > power_limit[power_band]) &&
-	    (power_limit[++power_band] != 0))
-	;
-
-      /* Read the first area */
-      fee_read(base, 0x00,
-	       area, 16);
-
-      /* Read the DAC */
-      fee_read(base, 0x60,
-	       dac, 2);
-
-      /* Read the new power adjust value */
-      fee_read(base, 0x6B - (power_band >> 1),
-	       &power_adjust, 1);
-      if(power_band & 0x1)
-	power_adjust >>= 8;
-      else
-	power_adjust &= 0xFF;
-
-#ifdef DEBUG_IOCTL_INFO
-      printk(KERN_DEBUG "Wavelan EEprom Area 1 :");
-      for(i = 0; i < 16; i++)
-	{
-	  printk(" %04X",
-		 area[i]);
-	}
-      printk("\n");
-
-      printk(KERN_DEBUG "Wavelan EEprom DAC : %04X %04X\n",
-	     dac[0], dac[1]);
-#endif
-
-      /* Frequency offset (for info only...) */
-      area[0] = ((freq << 5) & 0xFFE0) | (area[0] & 0x1F);
-
-      /* Receiver Principle main divider coefficient */
-      area[3] = (freq >> 1) + 2400L - 352L;
-      area[2] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
-
-      /* Transmitter Main divider coefficient */
-      area[13] = (freq >> 1) + 2400L;
-      area[12] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
-
-      /* Others part of the area are flags, bit streams or unused... */
-
-      /* Set the value in the DAC */
-      dac[1] = ((power_adjust >> 1) & 0x7F) | (dac[1] & 0xFF80);
-      dac[0] = ((power_adjust & 0x1) << 4) | (dac[0] & 0xFFEF);
-
-      /* Write the first area */
-      fee_write(base, 0x00,
-		area, 16);
-
-      /* Write the DAC */
-      fee_write(base, 0x60,
-		dac, 2);
-
-      /* We now should verify here that the EEprom writing was ok */
-
-      /* ReRead the first area */
-      fee_read(base, 0x00,
-	       area_verify, 16);
-
-      /* ReRead the DAC */
-      fee_read(base, 0x60,
-	       dac_verify, 2);
-
-      /* Compare */
-      if(memcmp(area, area_verify, 16 * 2) ||
-	 memcmp(dac, dac_verify, 2 * 2))
-	{
-#ifdef DEBUG_IOCTL_ERROR
-	  printk(KERN_INFO "Wavelan: wv_set_frequency : unable to write new frequency to EEprom (?)\n");
-#endif
-	  return -EOPNOTSUPP;
-	}
-
-      /* We must download the frequency parameters to the
-       * synthetisers (from the EEprom - area 1)
-       * Note : as the EEprom is auto decremented, we set the end
-       * if the area... */
-      mmc_out(base, mmwoff(0, mmw_fee_addr), 0x0F);
-      mmc_out(base, mmwoff(0, mmw_fee_ctrl),
-	      MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
-
-      /* Wait until the download is finished */
-      fee_wait(base, 100, 100);
-
-      /* We must now download the power adjust value (gain) to
-       * the synthetisers (from the EEprom - area 7 - DAC) */
-      mmc_out(base, mmwoff(0, mmw_fee_addr), 0x61);
-      mmc_out(base, mmwoff(0, mmw_fee_ctrl),
-	      MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
-
-      /* Wait until the download is finished */
-      fee_wait(base, 100, 100);
-
-#ifdef DEBUG_IOCTL_INFO
-      /* Verification of what we have done... */
-
-      printk(KERN_DEBUG "Wavelan EEprom Area 1 :");
-      for(i = 0; i < 16; i++)
-	{
-	  printk(" %04X",
-		 area_verify[i]);
-	}
-      printk("\n");
-
-      printk(KERN_DEBUG "Wavelan EEprom DAC : %04X %04X\n",
-	     dac_verify[0], dac_verify[1]);
-#endif
-
-      return 0;
-    }
-  else
-    return -EINVAL;		/* Bah, never get there... */
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Give the list of available frequencies
- */
-static int
-wv_frequency_list(u_long	base,	/* i/o port of the card */
-		  iw_freq *	list,	/* List of frequency to fill */
-		  int		max)	/* Maximum number of frequencies */
-{
-  u_short	table[10];	/* Authorized frequency table */
-  long		freq = 0L;	/* offset to 2.4 GHz in .5 MHz + 12 MHz */
-  int		i;		/* index in the table */
-  const int	BAND_NUM = 10;	/* Number of bands */
-  int		c = 0;		/* Channel number */
-
-  /* Read the frequency table */
-  fee_read(base, 0x71 /* frequency table */,
-	   table, 10);
-
-  /* Look all frequencies */
-  i = 0;
-  for(freq = 0; freq < 150; freq++)
-    /* Look in the table if the frequency is allowed */
-    if(table[9 - (freq / 16)] & (1 << (freq % 16)))
-      {
-	/* Compute approximate channel number */
-	while((((channel_bands[c] >> 1) - 24) < freq) &&
-	      (c < BAND_NUM))
-	  c++;
-	list[i].i = c;	/* Set the list index */
-
-	/* put in the list */
-	list[i].m = (((freq + 24) * 5) + 24000L) * 10000;
-	list[i++].e = 1;
-
-	/* Check number */
-	if(i >= max)
-	  return(i);
-      }
-
-  return(i);
-}
-
-#ifdef IW_WIRELESS_SPY
-/*------------------------------------------------------------------*/
-/*
- * Gather wireless spy statistics : for each packet, compare the source
- * address with out list, and if match, get the stats...
- * Sorry, but this function really need wireless extensions...
- */
-static inline void
-wl_spy_gather(struct net_device *	dev,
-	      u_char *	mac,		/* MAC address */
-	      u_char *	stats)		/* Statistics to gather */
-{
-  struct iw_quality wstats;
-
-  wstats.qual = stats[2] & MMR_SGNL_QUAL;
-  wstats.level = stats[0] & MMR_SIGNAL_LVL;
-  wstats.noise = stats[1] & MMR_SILENCE_LVL;
-  wstats.updated = 0x7;
-
-  /* Update spy records */
-  wireless_spy_update(dev, mac, &wstats);
-}
-#endif	/* IW_WIRELESS_SPY */
-
-#ifdef HISTOGRAM
-/*------------------------------------------------------------------*/
-/*
- * This function calculate an histogram on the signal level.
- * As the noise is quite constant, it's like doing it on the SNR.
- * We have defined a set of interval (lp->his_range), and each time
- * the level goes in that interval, we increment the count (lp->his_sum).
- * With this histogram you may detect if one wavelan is really weak,
- * or you may also calculate the mean and standard deviation of the level...
- */
-static inline void
-wl_his_gather(struct net_device *	dev,
-	      u_char *	stats)		/* Statistics to gather */
-{
-  net_local *	lp = netdev_priv(dev);
-  u_char	level = stats[0] & MMR_SIGNAL_LVL;
-  int		i;
-
-  /* Find the correct interval */
-  i = 0;
-  while((i < (lp->his_number - 1)) && (level >= lp->his_range[i++]))
-    ;
-
-  /* Increment interval counter */
-  (lp->his_sum[i])++;
-}
-#endif	/* HISTOGRAM */
-
-static void wl_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
-{
-	strncpy(info->driver, "wavelan_cs", sizeof(info->driver)-1);
-}
-
-static const struct ethtool_ops ops = {
-	.get_drvinfo = wl_get_drvinfo
-};
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get protocol name
- */
-static int wavelan_get_name(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	strcpy(wrqu->name, "WaveLAN");
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set NWID
- */
-static int wavelan_set_nwid(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned int base = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	mm_t m;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Set NWID in WaveLAN. */
-	if (!wrqu->nwid.disabled) {
-		/* Set NWID in psa */
-		psa.psa_nwid[0] = (wrqu->nwid.value & 0xFF00) >> 8;
-		psa.psa_nwid[1] = wrqu->nwid.value & 0xFF;
-		psa.psa_nwid_select = 0x01;
-		psa_write(dev,
-			  (char *) psa.psa_nwid - (char *) &psa,
-			  (unsigned char *) psa.psa_nwid, 3);
-
-		/* Set NWID in mmc. */
-		m.w.mmw_netw_id_l = psa.psa_nwid[1];
-		m.w.mmw_netw_id_h = psa.psa_nwid[0];
-		mmc_write(base,
-			  (char *) &m.w.mmw_netw_id_l -
-			  (char *) &m,
-			  (unsigned char *) &m.w.mmw_netw_id_l, 2);
-		mmc_out(base, mmwoff(0, mmw_loopt_sel), 0x00);
-	} else {
-		/* Disable NWID in the psa. */
-		psa.psa_nwid_select = 0x00;
-		psa_write(dev,
-			  (char *) &psa.psa_nwid_select -
-			  (char *) &psa,
-			  (unsigned char *) &psa.psa_nwid_select,
-			  1);
-
-		/* Disable NWID in the mmc (no filtering). */
-		mmc_out(base, mmwoff(0, mmw_loopt_sel),
-			MMW_LOOPT_SEL_DIS_NWID);
-	}
-	/* update the Wavelan checksum */
-	update_psa_checksum(dev);
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get NWID 
- */
-static int wavelan_get_nwid(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Read the NWID. */
-	psa_read(dev,
-		 (char *) psa.psa_nwid - (char *) &psa,
-		 (unsigned char *) psa.psa_nwid, 3);
-	wrqu->nwid.value = (psa.psa_nwid[0] << 8) + psa.psa_nwid[1];
-	wrqu->nwid.disabled = !(psa.psa_nwid_select);
-	wrqu->nwid.fixed = 1;	/* Superfluous */
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set frequency
- */
-static int wavelan_set_freq(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned int base = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	unsigned long flags;
-	int ret;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
-	if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
-	      (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
-		ret = wv_set_frequency(base, &(wrqu->freq));
-	else
-		ret = -EOPNOTSUPP;
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get frequency
- */
-static int wavelan_get_freq(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned int base = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable).
-	 * Does it work for everybody, especially old cards? */
-	if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
-	      (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
-		unsigned short freq;
-
-		/* Ask the EEPROM to read the frequency from the first area. */
-		fee_read(base, 0x00, &freq, 1);
-		wrqu->freq.m = ((freq >> 5) * 5 + 24000L) * 10000;
-		wrqu->freq.e = 1;
-	} else {
-		psa_read(dev,
-			 (char *) &psa.psa_subband - (char *) &psa,
-			 (unsigned char *) &psa.psa_subband, 1);
-
-		if (psa.psa_subband <= 4) {
-			wrqu->freq.m = fixed_bands[psa.psa_subband];
-			wrqu->freq.e = (psa.psa_subband != 0);
-		} else
-			ret = -EOPNOTSUPP;
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set level threshold
- */
-static int wavelan_set_sens(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned int base = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Set the level threshold. */
-	/* We should complain loudly if wrqu->sens.fixed = 0, because we
-	 * can't set auto mode... */
-	psa.psa_thr_pre_set = wrqu->sens.value & 0x3F;
-	psa_write(dev,
-		  (char *) &psa.psa_thr_pre_set - (char *) &psa,
-		  (unsigned char *) &psa.psa_thr_pre_set, 1);
-	/* update the Wavelan checksum */
-	update_psa_checksum(dev);
-	mmc_out(base, mmwoff(0, mmw_thr_pre_set),
-		psa.psa_thr_pre_set);
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get level threshold
- */
-static int wavelan_get_sens(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Read the level threshold. */
-	psa_read(dev,
-		 (char *) &psa.psa_thr_pre_set - (char *) &psa,
-		 (unsigned char *) &psa.psa_thr_pre_set, 1);
-	wrqu->sens.value = psa.psa_thr_pre_set & 0x3F;
-	wrqu->sens.fixed = 1;
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set encryption key
- */
-static int wavelan_set_encode(struct net_device *dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *wrqu,
-			      char *extra)
-{
-	unsigned int base = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	unsigned long flags;
-	psa_t psa;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-
-	/* Check if capable of encryption */
-	if (!mmc_encr(base)) {
-		ret = -EOPNOTSUPP;
-	}
-
-	/* Check the size of the key */
-	if((wrqu->encoding.length != 8) && (wrqu->encoding.length != 0)) {
-		ret = -EINVAL;
-	}
-
-	if(!ret) {
-		/* Basic checking... */
-		if (wrqu->encoding.length == 8) {
-			/* Copy the key in the driver */
-			memcpy(psa.psa_encryption_key, extra,
-			       wrqu->encoding.length);
-			psa.psa_encryption_select = 1;
-
-			psa_write(dev,
-				  (char *) &psa.psa_encryption_select -
-				  (char *) &psa,
-				  (unsigned char *) &psa.
-				  psa_encryption_select, 8 + 1);
-
-			mmc_out(base, mmwoff(0, mmw_encr_enable),
-				MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE);
-			mmc_write(base, mmwoff(0, mmw_encr_key),
-				  (unsigned char *) &psa.
-				  psa_encryption_key, 8);
-		}
-
-		/* disable encryption */
-		if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
-			psa.psa_encryption_select = 0;
-			psa_write(dev,
-				  (char *) &psa.psa_encryption_select -
-				  (char *) &psa,
-				  (unsigned char *) &psa.
-				  psa_encryption_select, 1);
-
-			mmc_out(base, mmwoff(0, mmw_encr_enable), 0);
-		}
-		/* update the Wavelan checksum */
-		update_psa_checksum(dev);
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get encryption key
- */
-static int wavelan_get_encode(struct net_device *dev,
-			      struct iw_request_info *info,
-			      union iwreq_data *wrqu,
-			      char *extra)
-{
-	unsigned int base = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Check if encryption is available */
-	if (!mmc_encr(base)) {
-		ret = -EOPNOTSUPP;
-	} else {
-		/* Read the encryption key */
-		psa_read(dev,
-			 (char *) &psa.psa_encryption_select -
-			 (char *) &psa,
-			 (unsigned char *) &psa.
-			 psa_encryption_select, 1 + 8);
-
-		/* encryption is enabled ? */
-		if (psa.psa_encryption_select)
-			wrqu->encoding.flags = IW_ENCODE_ENABLED;
-		else
-			wrqu->encoding.flags = IW_ENCODE_DISABLED;
-		wrqu->encoding.flags |= mmc_encr(base);
-
-		/* Copy the key to the user buffer */
-		wrqu->encoding.length = 8;
-		memcpy(extra, psa.psa_encryption_key, wrqu->encoding.length);
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-#ifdef WAVELAN_ROAMING_EXT
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set ESSID (domain)
- */
-static int wavelan_set_essid(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Check if disable */
-	if(wrqu->data.flags == 0)
-		lp->filter_domains = 0;
-	else {
-		char	essid[IW_ESSID_MAX_SIZE + 1];
-		char *	endp;
-
-		/* Terminate the string */
-		memcpy(essid, extra, wrqu->data.length);
-		essid[IW_ESSID_MAX_SIZE] = '\0';
-
-#ifdef DEBUG_IOCTL_INFO
-		printk(KERN_DEBUG "SetEssid : ``%s''\n", essid);
-#endif	/* DEBUG_IOCTL_INFO */
-
-		/* Convert to a number (note : Wavelan specific) */
-		lp->domain_id = simple_strtoul(essid, &endp, 16);
-		/* Has it worked  ? */
-		if(endp > essid)
-			lp->filter_domains = 1;
-		else {
-			lp->filter_domains = 0;
-			ret = -EINVAL;
-		}
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get ESSID (domain)
- */
-static int wavelan_get_essid(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-
-	/* Is the domain ID active ? */
-	wrqu->data.flags = lp->filter_domains;
-
-	/* Copy Domain ID into a string (Wavelan specific) */
-	/* Sound crazy, be we can't have a snprintf in the kernel !!! */
-	sprintf(extra, "%lX", lp->domain_id);
-	extra[IW_ESSID_MAX_SIZE] = '\0';
-
-	/* Set the length */
-	wrqu->data.length = strlen(extra);
-
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set AP address
- */
-static int wavelan_set_wap(struct net_device *dev,
-			   struct iw_request_info *info,
-			   union iwreq_data *wrqu,
-			   char *extra)
-{
-#ifdef DEBUG_IOCTL_INFO
-	printk(KERN_DEBUG "Set AP to : %pM\n", wrqu->ap_addr.sa_data);
-#endif	/* DEBUG_IOCTL_INFO */
-
-	return -EOPNOTSUPP;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get AP address
- */
-static int wavelan_get_wap(struct net_device *dev,
-			   struct iw_request_info *info,
-			   union iwreq_data *wrqu,
-			   char *extra)
-{
-	/* Should get the real McCoy instead of own Ethernet address */
-	memcpy(wrqu->ap_addr.sa_data, dev->dev_addr, WAVELAN_ADDR_SIZE);
-	wrqu->ap_addr.sa_family = ARPHRD_ETHER;
-
-	return -EOPNOTSUPP;
-}
-#endif	/* WAVELAN_ROAMING_EXT */
-
-#ifdef WAVELAN_ROAMING
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : set mode
- */
-static int wavelan_set_mode(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long flags;
-	int ret = 0;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-
-	/* Check mode */
-	switch(wrqu->mode) {
-	case IW_MODE_ADHOC:
-		if(do_roaming) {
-			wv_roam_cleanup(dev);
-			do_roaming = 0;
-		}
-		break;
-	case IW_MODE_INFRA:
-		if(!do_roaming) {
-			wv_roam_init(dev);
-			do_roaming = 1;
-		}
-		break;
-	default:
-		ret = -EINVAL;
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get mode
- */
-static int wavelan_get_mode(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	if(do_roaming)
-		wrqu->mode = IW_MODE_INFRA;
-	else
-		wrqu->mode = IW_MODE_ADHOC;
-
-	return 0;
-}
-#endif	/* WAVELAN_ROAMING */
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Handler : get range info
- */
-static int wavelan_get_range(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	unsigned int base = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	struct iw_range *range = (struct iw_range *) extra;
-	unsigned long flags;
-	int ret = 0;
-
-	/* Set the length (very important for backward compatibility) */
-	wrqu->data.length = sizeof(struct iw_range);
-
-	/* Set all the info we don't care or don't know about to zero */
-	memset(range, 0, sizeof(struct iw_range));
-
-	/* Set the Wireless Extension versions */
-	range->we_version_compiled = WIRELESS_EXT;
-	range->we_version_source = 9;
-
-	/* Set information in the range struct.  */
-	range->throughput = 1.4 * 1000 * 1000;	/* don't argue on this ! */
-	range->min_nwid = 0x0000;
-	range->max_nwid = 0xFFFF;
-
-	range->sensitivity = 0x3F;
-	range->max_qual.qual = MMR_SGNL_QUAL;
-	range->max_qual.level = MMR_SIGNAL_LVL;
-	range->max_qual.noise = MMR_SILENCE_LVL;
-	range->avg_qual.qual = MMR_SGNL_QUAL; /* Always max */
-	/* Need to get better values for those two */
-	range->avg_qual.level = 30;
-	range->avg_qual.noise = 8;
-
-	range->num_bitrates = 1;
-	range->bitrate[0] = 2000000;	/* 2 Mb/s */
-
-	/* Event capability (kernel + driver) */
-	range->event_capa[0] = (IW_EVENT_CAPA_MASK(0x8B02) |
-				IW_EVENT_CAPA_MASK(0x8B04) |
-				IW_EVENT_CAPA_MASK(0x8B06));
-	range->event_capa[1] = IW_EVENT_CAPA_K_1;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
-	if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
-	      (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
-		range->num_channels = 10;
-		range->num_frequency = wv_frequency_list(base, range->freq,
-							IW_MAX_FREQUENCIES);
-	} else
-		range->num_channels = range->num_frequency = 0;
-
-	/* Encryption supported ? */
-	if (mmc_encr(base)) {
-		range->encoding_size[0] = 8;	/* DES = 64 bits key */
-		range->num_encoding_sizes = 1;
-		range->max_encoding_tokens = 1;	/* Only one key possible */
-	} else {
-		range->num_encoding_sizes = 0;
-		range->max_encoding_tokens = 0;
-	}
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return ret;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set quality threshold
- */
-static int wavelan_set_qthr(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned int base = dev->base_addr;
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	unsigned long flags;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	psa.psa_quality_thr = *(extra) & 0x0F;
-	psa_write(dev,
-		  (char *) &psa.psa_quality_thr - (char *) &psa,
-		  (unsigned char *) &psa.psa_quality_thr, 1);
-	/* update the Wavelan checksum */
-	update_psa_checksum(dev);
-	mmc_out(base, mmwoff(0, mmw_quality_thr),
-		psa.psa_quality_thr);
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get quality threshold
- */
-static int wavelan_get_qthr(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-	psa_t psa;
-	unsigned long flags;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	psa_read(dev,
-		 (char *) &psa.psa_quality_thr - (char *) &psa,
-		 (unsigned char *) &psa.psa_quality_thr, 1);
-	*(extra) = psa.psa_quality_thr & 0x0F;
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return 0;
-}
-
-#ifdef WAVELAN_ROAMING
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set roaming
- */
-static int wavelan_set_roam(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-	unsigned long flags;
-
-	/* Disable interrupts and save flags. */
-	spin_lock_irqsave(&lp->spinlock, flags);
-	
-	/* Note : should check if user == root */
-	if(do_roaming && (*extra)==0)
-		wv_roam_cleanup(dev);
-	else if(do_roaming==0 && (*extra)!=0)
-		wv_roam_init(dev);
-
-	do_roaming = (*extra);
-
-	/* Enable interrupts and restore flags. */
-	spin_unlock_irqrestore(&lp->spinlock, flags);
-
-	return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get quality threshold
- */
-static int wavelan_get_roam(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	*(extra) = do_roaming;
-
-	return 0;
-}
-#endif	/* WAVELAN_ROAMING */
-
-#ifdef HISTOGRAM
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : set histogram
- */
-static int wavelan_set_histo(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-
-	/* Check the number of intervals. */
-	if (wrqu->data.length > 16) {
-		return(-E2BIG);
-	}
-
-	/* Disable histo while we copy the addresses.
-	 * As we don't disable interrupts, we need to do this */
-	lp->his_number = 0;
-
-	/* Are there ranges to copy? */
-	if (wrqu->data.length > 0) {
-		/* Copy interval ranges to the driver */
-		memcpy(lp->his_range, extra, wrqu->data.length);
-
-		{
-		  int i;
-		  printk(KERN_DEBUG "Histo :");
-		  for(i = 0; i < wrqu->data.length; i++)
-		    printk(" %d", lp->his_range[i]);
-		  printk("\n");
-		}
-
-		/* Reset result structure. */
-		memset(lp->his_sum, 0x00, sizeof(long) * 16);
-	}
-
-	/* Now we can set the number of ranges */
-	lp->his_number = wrqu->data.length;
-
-	return(0);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Wireless Private Handler : get histogram
- */
-static int wavelan_get_histo(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	net_local *lp = netdev_priv(dev);
-
-	/* Set the number of intervals. */
-	wrqu->data.length = lp->his_number;
-
-	/* Give back the distribution statistics */
-	if(lp->his_number > 0)
-		memcpy(extra, lp->his_sum, sizeof(long) * lp->his_number);
-
-	return(0);
-}
-#endif			/* HISTOGRAM */
-
-/*------------------------------------------------------------------*/
-/*
- * Structures to export the Wireless Handlers
- */
-
-static const struct iw_priv_args wavelan_private_args[] = {
-/*{ cmd,         set_args,                            get_args, name } */
-  { SIOCSIPQTHR, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setqualthr" },
-  { SIOCGIPQTHR, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getqualthr" },
-  { SIOCSIPROAM, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setroam" },
-  { SIOCGIPROAM, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getroam" },
-  { SIOCSIPHISTO, IW_PRIV_TYPE_BYTE | 16,                    0, "sethisto" },
-  { SIOCGIPHISTO, 0,                     IW_PRIV_TYPE_INT | 16, "gethisto" },
-};
-
-static const iw_handler		wavelan_handler[] =
-{
-	NULL,				/* SIOCSIWNAME */
-	wavelan_get_name,		/* SIOCGIWNAME */
-	wavelan_set_nwid,		/* SIOCSIWNWID */
-	wavelan_get_nwid,		/* SIOCGIWNWID */
-	wavelan_set_freq,		/* SIOCSIWFREQ */
-	wavelan_get_freq,		/* SIOCGIWFREQ */
-#ifdef WAVELAN_ROAMING
-	wavelan_set_mode,		/* SIOCSIWMODE */
-	wavelan_get_mode,		/* SIOCGIWMODE */
-#else	/* WAVELAN_ROAMING */
-	NULL,				/* SIOCSIWMODE */
-	NULL,				/* SIOCGIWMODE */
-#endif	/* WAVELAN_ROAMING */
-	wavelan_set_sens,		/* SIOCSIWSENS */
-	wavelan_get_sens,		/* SIOCGIWSENS */
-	NULL,				/* SIOCSIWRANGE */
-	wavelan_get_range,		/* SIOCGIWRANGE */
-	NULL,				/* SIOCSIWPRIV */
-	NULL,				/* SIOCGIWPRIV */
-	NULL,				/* SIOCSIWSTATS */
-	NULL,				/* SIOCGIWSTATS */
-	iw_handler_set_spy,		/* SIOCSIWSPY */
-	iw_handler_get_spy,		/* SIOCGIWSPY */
-	iw_handler_set_thrspy,		/* SIOCSIWTHRSPY */
-	iw_handler_get_thrspy,		/* SIOCGIWTHRSPY */
-#ifdef WAVELAN_ROAMING_EXT
-	wavelan_set_wap,		/* SIOCSIWAP */
-	wavelan_get_wap,		/* SIOCGIWAP */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCGIWAPLIST */
-	NULL,				/* -- hole -- */
-	NULL,				/* -- hole -- */
-	wavelan_set_essid,		/* SIOCSIWESSID */
-	wavelan_get_essid,		/* SIOCGIWESSID */
-#else	/* WAVELAN_ROAMING_EXT */
-	NULL,				/* SIOCSIWAP */
-	NULL,				/* SIOCGIWAP */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCGIWAPLIST */
-	NULL,				/* -- hole -- */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCSIWESSID */
-	NULL,				/* SIOCGIWESSID */
-#endif	/* WAVELAN_ROAMING_EXT */
-	NULL,				/* SIOCSIWNICKN */
-	NULL,				/* SIOCGIWNICKN */
-	NULL,				/* -- hole -- */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCSIWRATE */
-	NULL,				/* SIOCGIWRATE */
-	NULL,				/* SIOCSIWRTS */
-	NULL,				/* SIOCGIWRTS */
-	NULL,				/* SIOCSIWFRAG */
-	NULL,				/* SIOCGIWFRAG */
-	NULL,				/* SIOCSIWTXPOW */
-	NULL,				/* SIOCGIWTXPOW */
-	NULL,				/* SIOCSIWRETRY */
-	NULL,				/* SIOCGIWRETRY */
-	wavelan_set_encode,		/* SIOCSIWENCODE */
-	wavelan_get_encode,		/* SIOCGIWENCODE */
-};
-
-static const iw_handler		wavelan_private_handler[] =
-{
-	wavelan_set_qthr,		/* SIOCIWFIRSTPRIV */
-	wavelan_get_qthr,		/* SIOCIWFIRSTPRIV + 1 */
-#ifdef WAVELAN_ROAMING
-	wavelan_set_roam,		/* SIOCIWFIRSTPRIV + 2 */
-	wavelan_get_roam,		/* SIOCIWFIRSTPRIV + 3 */
-#else	/* WAVELAN_ROAMING */
-	NULL,				/* SIOCIWFIRSTPRIV + 2 */
-	NULL,				/* SIOCIWFIRSTPRIV + 3 */
-#endif	/* WAVELAN_ROAMING */
-#ifdef HISTOGRAM
-	wavelan_set_histo,		/* SIOCIWFIRSTPRIV + 4 */
-	wavelan_get_histo,		/* SIOCIWFIRSTPRIV + 5 */
-#endif	/* HISTOGRAM */
-};
-
-static const struct iw_handler_def	wavelan_handler_def =
-{
-	.num_standard	= ARRAY_SIZE(wavelan_handler),
-	.num_private	= ARRAY_SIZE(wavelan_private_handler),
-	.num_private_args = ARRAY_SIZE(wavelan_private_args),
-	.standard	= wavelan_handler,
-	.private	= wavelan_private_handler,
-	.private_args	= wavelan_private_args,
-	.get_wireless_stats = wavelan_get_wireless_stats,
-};
-
-/*------------------------------------------------------------------*/
-/*
- * Get wireless statistics
- * Called by /proc/net/wireless...
- */
-static iw_stats *
-wavelan_get_wireless_stats(struct net_device *	dev)
-{
-  unsigned int		base = dev->base_addr;
-  net_local *		lp = netdev_priv(dev);
-  mmr_t			m;
-  iw_stats *		wstats;
-  unsigned long		flags;
-
-#ifdef DEBUG_IOCTL_TRACE
-  printk(KERN_DEBUG "%s: ->wavelan_get_wireless_stats()\n", dev->name);
-#endif
-
-  /* Disable interrupts & save flags */
-  spin_lock_irqsave(&lp->spinlock, flags);
-
-  wstats = &lp->wstats;
-
-  /* Get data from the mmc */
-  mmc_out(base, mmwoff(0, mmw_freeze), 1);
-
-  mmc_read(base, mmroff(0, mmr_dce_status), &m.mmr_dce_status, 1);
-  mmc_read(base, mmroff(0, mmr_wrong_nwid_l), &m.mmr_wrong_nwid_l, 2);
-  mmc_read(base, mmroff(0, mmr_thr_pre_set), &m.mmr_thr_pre_set, 4);
-
-  mmc_out(base, mmwoff(0, mmw_freeze), 0);
-
-  /* Copy data to wireless stuff */
-  wstats->status = m.mmr_dce_status & MMR_DCE_STATUS;
-  wstats->qual.qual = m.mmr_sgnl_qual & MMR_SGNL_QUAL;
-  wstats->qual.level = m.mmr_signal_lvl & MMR_SIGNAL_LVL;
-  wstats->qual.noise = m.mmr_silence_lvl & MMR_SILENCE_LVL;
-  wstats->qual.updated = (((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 7) |
-			  ((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 6) |
-			  ((m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) >> 5));
-  wstats->discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
-  wstats->discard.code = 0L;
-  wstats->discard.misc = 0L;
-
-  /* ReEnable interrupts & restore flags */
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_IOCTL_TRACE
-  printk(KERN_DEBUG "%s: <-wavelan_get_wireless_stats()\n", dev->name);
-#endif
-  return &lp->wstats;
-}
-
-/************************* PACKET RECEPTION *************************/
-/*
- * This part deal with receiving the packets.
- * The interrupt handler get an interrupt when a packet has been
- * successfully received and called this part...
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Calculate the starting address of the frame pointed to by the receive
- * frame pointer and verify that the frame seem correct
- * (called by wv_packet_rcv())
- */
-static int
-wv_start_of_frame(struct net_device *	dev,
-		  int		rfp,	/* end of frame */
-		  int		wrap)	/* start of buffer */
-{
-  unsigned int	base = dev->base_addr;
-  int		rp;
-  int		len;
-
-  rp = (rfp - 5 + RX_SIZE) % RX_SIZE;
-  outb(rp & 0xff, PIORL(base));
-  outb(((rp >> 8) & PIORH_MASK), PIORH(base));
-  len = inb(PIOP(base));
-  len |= inb(PIOP(base)) << 8;
-
-  /* Sanity checks on size */
-  /* Frame too big */
-  if(len > MAXDATAZ + 100)
-    {
-#ifdef DEBUG_RX_ERROR
-      printk(KERN_INFO "%s: wv_start_of_frame: Received frame too large, rfp %d len 0x%x\n",
-	     dev->name, rfp, len);
-#endif
-      return(-1);
-    }
-  
-  /* Frame too short */
-  if(len < 7)
-    {
-#ifdef DEBUG_RX_ERROR
-      printk(KERN_INFO "%s: wv_start_of_frame: Received null frame, rfp %d len 0x%x\n",
-	     dev->name, rfp, len);
-#endif
-      return(-1);
-    }
-  
-  /* Wrap around buffer */
-  if(len > ((wrap - (rfp - len) + RX_SIZE) % RX_SIZE))	/* magic formula ! */
-    {
-#ifdef DEBUG_RX_ERROR
-      printk(KERN_INFO "%s: wv_start_of_frame: wrap around buffer, wrap %d rfp %d len 0x%x\n",
-	     dev->name, wrap, rfp, len);
-#endif
-      return(-1);
-    }
-
-  return((rp - len + RX_SIZE) % RX_SIZE);
-} /* wv_start_of_frame */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does the actual copy of data (including the ethernet
- * header structure) from the WaveLAN card to an sk_buff chain that
- * will be passed up to the network interface layer. NOTE: We
- * currently don't handle trailer protocols (neither does the rest of
- * the network interface), so if that is needed, it will (at least in
- * part) be added here.  The contents of the receive ring buffer are
- * copied to a message chain that is then passed to the kernel.
- *
- * Note: if any errors occur, the packet is "dropped on the floor"
- * (called by wv_packet_rcv())
- */
-static void
-wv_packet_read(struct net_device *		dev,
-	       int		fd_p,
-	       int		sksize)
-{
-  net_local *		lp = netdev_priv(dev);
-  struct sk_buff *	skb;
-
-#ifdef DEBUG_RX_TRACE
-  printk(KERN_DEBUG "%s: ->wv_packet_read(0x%X, %d)\n",
-	 dev->name, fd_p, sksize);
-#endif
-
-  /* Allocate some buffer for the new packet */
-  if((skb = dev_alloc_skb(sksize+2)) == (struct sk_buff *) NULL)
-    {
-#ifdef DEBUG_RX_ERROR
-      printk(KERN_INFO "%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC)\n",
-	     dev->name, sksize);
-#endif
-      dev->stats.rx_dropped++;
-      /*
-       * Not only do we want to return here, but we also need to drop the
-       * packet on the floor to clear the interrupt.
-       */
-      return;
-    }
-
-  skb_reserve(skb, 2);
-  fd_p = read_ringbuf(dev, fd_p, (char *) skb_put(skb, sksize), sksize);
-  skb->protocol = eth_type_trans(skb, dev);
-
-#ifdef DEBUG_RX_INFO
-  wv_packet_info(skb_mac_header(skb), sksize, dev->name, "wv_packet_read");
-#endif	/* DEBUG_RX_INFO */
-     
-  /* Statistics gathering & stuff associated.
-   * It seem a bit messy with all the define, but it's really simple... */
-  if(
-#ifdef IW_WIRELESS_SPY
-     (lp->spy_data.spy_number > 0) ||
-#endif	/* IW_WIRELESS_SPY */
-#ifdef HISTOGRAM
-     (lp->his_number > 0) ||
-#endif	/* HISTOGRAM */
-#ifdef WAVELAN_ROAMING
-     (do_roaming) ||
-#endif	/* WAVELAN_ROAMING */
-     0)
-    {
-      u_char	stats[3];	/* Signal level, Noise level, Signal quality */
-
-      /* read signal level, silence level and signal quality bytes */
-      fd_p = read_ringbuf(dev, (fd_p + 4) % RX_SIZE + RX_BASE,
-			  stats, 3);
-#ifdef DEBUG_RX_INFO
-      printk(KERN_DEBUG "%s: wv_packet_read(): Signal level %d/63, Silence level %d/63, signal quality %d/16\n",
-	     dev->name, stats[0] & 0x3F, stats[1] & 0x3F, stats[2] & 0x0F);
-#endif
-
-#ifdef WAVELAN_ROAMING
-      if(do_roaming)
-	if(WAVELAN_BEACON(skb->data))
-	  wl_roam_gather(dev, skb->data, stats);
-#endif	/* WAVELAN_ROAMING */
-	  
-#ifdef WIRELESS_SPY
-      wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE, stats);
-#endif	/* WIRELESS_SPY */
-#ifdef HISTOGRAM
-      wl_his_gather(dev, stats);
-#endif	/* HISTOGRAM */
-    }
-
-  /*
-   * Hand the packet to the Network Module
-   */
-  netif_rx(skb);
-
-  /* Keep stats up to date */
-  dev->stats.rx_packets++;
-  dev->stats.rx_bytes += sksize;
-
-#ifdef DEBUG_RX_TRACE
-  printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
-#endif
-  return;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine is called by the interrupt handler to initiate a
- * packet transfer from the card to the network interface layer above
- * this driver.  This routine checks if a buffer has been successfully
- * received by the WaveLAN card.  If so, the routine wv_packet_read is
- * called to do the actual transfer of the card's data including the
- * ethernet header into a packet consisting of an sk_buff chain.
- * (called by wavelan_interrupt())
- * Note : the spinlock is already grabbed for us and irq are disabled.
- */
-static void
-wv_packet_rcv(struct net_device *	dev)
-{
-  unsigned int	base = dev->base_addr;
-  net_local *	lp = netdev_priv(dev);
-  int		newrfp;
-  int		rp;
-  int		len;
-  int		f_start;
-  int		status;
-  int		i593_rfp;
-  int		stat_ptr;
-  u_char	c[4];
-
-#ifdef DEBUG_RX_TRACE
-  printk(KERN_DEBUG "%s: ->wv_packet_rcv()\n", dev->name);
-#endif
-
-  /* Get the new receive frame pointer from the i82593 chip */
-  outb(CR0_STATUS_2 | OP0_NOP, LCCR(base));
-  i593_rfp = inb(LCSR(base));
-  i593_rfp |= inb(LCSR(base)) << 8;
-  i593_rfp %= RX_SIZE;
-
-  /* Get the new receive frame pointer from the WaveLAN card.
-   * It is 3 bytes more than the increment of the i82593 receive
-   * frame pointer, for each packet. This is because it includes the
-   * 3 roaming bytes added by the mmc.
-   */
-  newrfp = inb(RPLL(base));
-  newrfp |= inb(RPLH(base)) << 8;
-  newrfp %= RX_SIZE;
-
-#ifdef DEBUG_RX_INFO
-  printk(KERN_DEBUG "%s: wv_packet_rcv(): i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
-	 dev->name, i593_rfp, lp->stop, newrfp, lp->rfp);
-#endif
-
-#ifdef DEBUG_RX_ERROR
-  /* If no new frame pointer... */
-  if(lp->overrunning || newrfp == lp->rfp)
-    printk(KERN_INFO "%s: wv_packet_rcv(): no new frame: i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
-	   dev->name, i593_rfp, lp->stop, newrfp, lp->rfp);
-#endif
-
-  /* Read all frames (packets) received */
-  while(newrfp != lp->rfp)
-    {
-      /* A frame is composed of the packet, followed by a status word,
-       * the length of the frame (word) and the mmc info (SNR & qual).
-       * It's because the length is at the end that we can only scan
-       * frames backward. */
-
-      /* Find the first frame by skipping backwards over the frames */
-      rp = newrfp;	/* End of last frame */
-      while(((f_start = wv_start_of_frame(dev, rp, newrfp)) != lp->rfp) &&
-	    (f_start != -1))
-	  rp = f_start;
-
-      /* If we had a problem */
-      if(f_start == -1)
-	{
-#ifdef DEBUG_RX_ERROR
-	  printk(KERN_INFO "wavelan_cs: cannot find start of frame ");
-	  printk(" i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
-		 i593_rfp, lp->stop, newrfp, lp->rfp);
-#endif
-	  lp->rfp = rp;		/* Get to the last usable frame */
-	  continue;
-	}
-
-      /* f_start point to the beggining of the first frame received
-       * and rp to the beggining of the next one */
-
-      /* Read status & length of the frame */
-      stat_ptr = (rp - 7 + RX_SIZE) % RX_SIZE;
-      stat_ptr = read_ringbuf(dev, stat_ptr, c, 4);
-      status = c[0] | (c[1] << 8);
-      len = c[2] | (c[3] << 8);
-
-      /* Check status */
-      if((status & RX_RCV_OK) != RX_RCV_OK)
-	{
-	  dev->stats.rx_errors++;
-	  if(status & RX_NO_SFD)
-	    dev->stats.rx_frame_errors++;
-	  if(status & RX_CRC_ERR)
-	    dev->stats.rx_crc_errors++;
-	  if(status & RX_OVRRUN)
-	    dev->stats.rx_over_errors++;
-
-#ifdef DEBUG_RX_FAIL
-	  printk(KERN_DEBUG "%s: wv_packet_rcv(): packet not received ok, status = 0x%x\n",
-		 dev->name, status);
-#endif
-	}
-      else
-	/* Read the packet and transmit to Linux */
-	wv_packet_read(dev, f_start, len - 2);
-
-      /* One frame has been processed, skip it */
-      lp->rfp = rp;
-    }
-
-  /*
-   * Update the frame stop register, but set it to less than
-   * the full 8K to allow space for 3 bytes of signal strength
-   * per packet.
-   */
-  lp->stop = (i593_rfp + RX_SIZE - ((RX_SIZE / 64) * 3)) % RX_SIZE;
-  outb(OP0_SWIT_TO_PORT_1 | CR0_CHNL, LCCR(base));
-  outb(CR1_STOP_REG_UPDATE | (lp->stop >> RX_SIZE_SHIFT), LCCR(base));
-  outb(OP1_SWIT_TO_PORT_0, LCCR(base));
-
-#ifdef DEBUG_RX_TRACE
-  printk(KERN_DEBUG "%s: <-wv_packet_rcv()\n", dev->name);
-#endif
-}
-
-/*********************** PACKET TRANSMISSION ***********************/
-/*
- * This part deal with sending packet through the wavelan
- * We copy the packet to the send buffer and then issue the send
- * command to the i82593. The result of this operation will be
- * checked in wavelan_interrupt()
- */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine fills in the appropriate registers and memory
- * locations on the WaveLAN card and starts the card off on
- * the transmit.
- * (called in wavelan_packet_xmit())
- */
-static void
-wv_packet_write(struct net_device *	dev,
-		void *		buf,
-		short		length)
-{
-  net_local *		lp = netdev_priv(dev);
-  unsigned int		base = dev->base_addr;
-  unsigned long		flags;
-  int			clen = length;
-  register u_short	xmtdata_base = TX_BASE;
-
-#ifdef DEBUG_TX_TRACE
-  printk(KERN_DEBUG "%s: ->wv_packet_write(%d)\n", dev->name, length);
-#endif
-
-  spin_lock_irqsave(&lp->spinlock, flags);
-
-  /* Write the length of data buffer followed by the buffer */
-  outb(xmtdata_base & 0xff, PIORL(base));
-  outb(((xmtdata_base >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
-  outb(clen & 0xff, PIOP(base));	/* lsb */
-  outb(clen >> 8, PIOP(base));  	/* msb */
-
-  /* Send the data */
-  outsb(PIOP(base), buf, clen);
-
-  /* Indicate end of transmit chain */
-  outb(OP0_NOP, PIOP(base));
-  /* josullvn@cs.cmu.edu: need to send a second NOP for alignment... */
-  outb(OP0_NOP, PIOP(base));
-
-  /* Reset the transmit DMA pointer */
-  hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
-  hacr_write(base, HACR_DEFAULT);
-  /* Send the transmit command */
-  wv_82593_cmd(dev, "wv_packet_write(): transmit",
-	       OP0_TRANSMIT, SR0_NO_RESULT);
-
-  /* Make sure the watchdog will keep quiet for a while */
-  dev->trans_start = jiffies;
-
-  /* Keep stats up to date */
-  dev->stats.tx_bytes += length;
-
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_TX_INFO
-  wv_packet_info((u_char *) buf, length, dev->name, "wv_packet_write");
-#endif	/* DEBUG_TX_INFO */
-
-#ifdef DEBUG_TX_TRACE
-  printk(KERN_DEBUG "%s: <-wv_packet_write()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine is called when we want to send a packet (NET3 callback)
- * In this routine, we check if the harware is ready to accept
- * the packet. We also prevent reentrance. Then, we call the function
- * to send the packet...
- */
-static netdev_tx_t
-wavelan_packet_xmit(struct sk_buff *	skb,
-		    struct net_device *		dev)
-{
-  net_local *		lp = netdev_priv(dev);
-  unsigned long		flags;
-
-#ifdef DEBUG_TX_TRACE
-  printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
-	 (unsigned) skb);
-#endif
-
-  /*
-   * Block a timer-based transmit from overlapping a previous transmit.
-   * In other words, prevent reentering this routine.
-   */
-  netif_stop_queue(dev);
-
-  /* If somebody has asked to reconfigure the controller,
-   * we can do it now */
-  if(lp->reconfig_82593)
-    {
-      spin_lock_irqsave(&lp->spinlock, flags);	/* Disable interrupts */
-      wv_82593_config(dev);
-      spin_unlock_irqrestore(&lp->spinlock, flags);	/* Re-enable interrupts */
-      /* Note : the configure procedure was totally synchronous,
-       * so the Tx buffer is now free */
-    }
-
-	/* Check if we need some padding */
-	/* Note : on wireless the propagation time is in the order of 1us,
-	 * and we don't have the Ethernet specific requirement of beeing
-	 * able to detect collisions, therefore in theory we don't really
-	 * need to pad. Jean II */
-	if (skb_padto(skb, ETH_ZLEN))
-		return NETDEV_TX_OK;
-
-  wv_packet_write(dev, skb->data, skb->len);
-
-  dev_kfree_skb(skb);
-
-#ifdef DEBUG_TX_TRACE
-  printk(KERN_DEBUG "%s: <-wavelan_packet_xmit()\n", dev->name);
-#endif
-  return NETDEV_TX_OK;
-}
-
-/********************** HARDWARE CONFIGURATION **********************/
-/*
- * This part do the real job of starting and configuring the hardware.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to initialize the Modem Management Controller.
- * (called by wv_hw_config())
- */
-static int
-wv_mmc_init(struct net_device *	dev)
-{
-  unsigned int	base = dev->base_addr;
-  psa_t		psa;
-  mmw_t		m;
-  int		configured;
-  int		i;		/* Loop counter */
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: ->wv_mmc_init()\n", dev->name);
-#endif
-
-  /* Read the parameter storage area */
-  psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
-
-  /*
-   * Check the first three octets of the MAC addr for the manufacturer's code.
-   * Note: If you get the error message below, you've got a
-   * non-NCR/AT&T/Lucent PCMCIA cards, see wavelan_cs.h for detail on
-   * how to configure your card...
-   */
-  for (i = 0; i < ARRAY_SIZE(MAC_ADDRESSES); i++)
-    if ((psa.psa_univ_mac_addr[0] == MAC_ADDRESSES[i][0]) &&
-        (psa.psa_univ_mac_addr[1] == MAC_ADDRESSES[i][1]) &&
-        (psa.psa_univ_mac_addr[2] == MAC_ADDRESSES[i][2]))
-      break;
-
-  /* If we have not found it... */
-  if (i == ARRAY_SIZE(MAC_ADDRESSES))
-    {
-#ifdef DEBUG_CONFIG_ERRORS
-      printk(KERN_WARNING "%s: wv_mmc_init(): Invalid MAC address: %02X:%02X:%02X:...\n",
-	     dev->name, psa.psa_univ_mac_addr[0],
-	     psa.psa_univ_mac_addr[1], psa.psa_univ_mac_addr[2]);
-#endif
-      return FALSE;
-    }
-
-  /* Get the MAC address */
-  memcpy(&dev->dev_addr[0], &psa.psa_univ_mac_addr[0], WAVELAN_ADDR_SIZE);
-
-#ifdef USE_PSA_CONFIG
-  configured = psa.psa_conf_status & 1;
-#else
-  configured = 0;
-#endif
-
-  /* Is the PSA is not configured */
-  if(!configured)
-    {
-      /* User will be able to configure NWID after (with iwconfig) */
-      psa.psa_nwid[0] = 0;
-      psa.psa_nwid[1] = 0;
-
-      /* As NWID is not set : no NWID checking */
-      psa.psa_nwid_select = 0;
-
-      /* Disable encryption */
-      psa.psa_encryption_select = 0;
-
-      /* Set to standard values
-       * 0x04 for AT,
-       * 0x01 for MCA,
-       * 0x04 for PCMCIA and 2.00 card (AT&T 407-024689/E document)
-       */
-      if (psa.psa_comp_number & 1)
-	psa.psa_thr_pre_set = 0x01;
-      else
-	psa.psa_thr_pre_set = 0x04;
-      psa.psa_quality_thr = 0x03;
-
-      /* It is configured */
-      psa.psa_conf_status |= 1;
-
-#ifdef USE_PSA_CONFIG
-      /* Write the psa */
-      psa_write(dev, (char *)psa.psa_nwid - (char *)&psa,
-		(unsigned char *)psa.psa_nwid, 4);
-      psa_write(dev, (char *)&psa.psa_thr_pre_set - (char *)&psa,
-		(unsigned char *)&psa.psa_thr_pre_set, 1);
-      psa_write(dev, (char *)&psa.psa_quality_thr - (char *)&psa,
-		(unsigned char *)&psa.psa_quality_thr, 1);
-      psa_write(dev, (char *)&psa.psa_conf_status - (char *)&psa,
-		(unsigned char *)&psa.psa_conf_status, 1);
-      /* update the Wavelan checksum */
-      update_psa_checksum(dev);
-#endif	/* USE_PSA_CONFIG */
-    }
-
-  /* Zero the mmc structure */
-  memset(&m, 0x00, sizeof(m));
-
-  /* Copy PSA info to the mmc */
-  m.mmw_netw_id_l = psa.psa_nwid[1];
-  m.mmw_netw_id_h = psa.psa_nwid[0];
-  
-  if(psa.psa_nwid_select & 1)
-    m.mmw_loopt_sel = 0x00;
-  else
-    m.mmw_loopt_sel = MMW_LOOPT_SEL_DIS_NWID;
-
-  memcpy(&m.mmw_encr_key, &psa.psa_encryption_key, 
-	 sizeof(m.mmw_encr_key));
-
-  if(psa.psa_encryption_select)
-    m.mmw_encr_enable = MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE;
-  else
-    m.mmw_encr_enable = 0;
-
-  m.mmw_thr_pre_set = psa.psa_thr_pre_set & 0x3F;
-  m.mmw_quality_thr = psa.psa_quality_thr & 0x0F;
-
-  /*
-   * Set default modem control parameters.
-   * See NCR document 407-0024326 Rev. A.
-   */
-  m.mmw_jabber_enable = 0x01;
-  m.mmw_anten_sel = MMW_ANTEN_SEL_ALG_EN;
-  m.mmw_ifs = 0x20;
-  m.mmw_mod_delay = 0x04;
-  m.mmw_jam_time = 0x38;
-
-  m.mmw_des_io_invert = 0;
-  m.mmw_freeze = 0;
-  m.mmw_decay_prm = 0;
-  m.mmw_decay_updat_prm = 0;
-
-  /* Write all info to mmc */
-  mmc_write(base, 0, (u_char *)&m, sizeof(m));
-
-  /* The following code start the modem of the 2.00 frequency
-   * selectable cards at power on. It's not strictly needed for the
-   * following boots...
-   * The original patch was by Joe Finney for the PCMCIA driver, but
-   * I've cleaned it a bit and add documentation.
-   * Thanks to Loeke Brederveld from Lucent for the info.
-   */
-
-  /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable)
-   * (does it work for everybody ? - especially old cards...) */
-  /* Note : WFREQSEL verify that it is able to read from EEprom
-   * a sensible frequency (address 0x00) + that MMR_FEE_STATUS_ID
-   * is 0xA (Xilinx version) or 0xB (Ariadne version).
-   * My test is more crude but do work... */
-  if(!(mmc_in(base, mmroff(0, mmr_fee_status)) &
-       (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
-    {
-      /* We must download the frequency parameters to the
-       * synthetisers (from the EEprom - area 1)
-       * Note : as the EEprom is auto decremented, we set the end
-       * if the area... */
-      m.mmw_fee_addr = 0x0F;
-      m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
-      mmc_write(base, (char *)&m.mmw_fee_ctrl - (char *)&m,
-		(unsigned char *)&m.mmw_fee_ctrl, 2);
-
-      /* Wait until the download is finished */
-      fee_wait(base, 100, 100);
-
-#ifdef DEBUG_CONFIG_INFO
-      /* The frequency was in the last word downloaded... */
-      mmc_read(base, (char *)&m.mmw_fee_data_l - (char *)&m,
-	       (unsigned char *)&m.mmw_fee_data_l, 2);
-
-      /* Print some info for the user */
-      printk(KERN_DEBUG "%s: Wavelan 2.00 recognised (frequency select) : Current frequency = %ld\n",
-	     dev->name,
-	     ((m.mmw_fee_data_h << 4) |
-	      (m.mmw_fee_data_l >> 4)) * 5 / 2 + 24000L);
-#endif
-
-      /* We must now download the power adjust value (gain) to
-       * the synthetisers (from the EEprom - area 7 - DAC) */
-      m.mmw_fee_addr = 0x61;
-      m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
-      mmc_write(base, (char *)&m.mmw_fee_ctrl - (char *)&m,
-		(unsigned char *)&m.mmw_fee_ctrl, 2);
-
-      /* Wait until the download is finished */
-    }	/* if 2.00 card */
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: <-wv_mmc_init()\n", dev->name);
-#endif
-  return TRUE;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Routine to gracefully turn off reception, and wait for any commands
- * to complete.
- * (called in wv_ru_start() and wavelan_close() and wavelan_event())
- */
-static int
-wv_ru_stop(struct net_device *	dev)
-{
-  unsigned int	base = dev->base_addr;
-  net_local *	lp = netdev_priv(dev);
-  unsigned long	flags;
-  int		status;
-  int		spin;
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: ->wv_ru_stop()\n", dev->name);
-#endif
-
-  spin_lock_irqsave(&lp->spinlock, flags);
-
-  /* First, send the LAN controller a stop receive command */
-  wv_82593_cmd(dev, "wv_graceful_shutdown(): stop-rcv",
-	       OP0_STOP_RCV, SR0_NO_RESULT);
-
-  /* Then, spin until the receive unit goes idle */
-  spin = 300;
-  do
-    {
-      udelay(10);
-      outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
-      status = inb(LCSR(base));
-    }
-  while(((status & SR3_RCV_STATE_MASK) != SR3_RCV_IDLE) && (spin-- > 0));
-
-  /* Now, spin until the chip finishes executing its current command */
-  do
-    {
-      udelay(10);
-      outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
-      status = inb(LCSR(base));
-    }
-  while(((status & SR3_EXEC_STATE_MASK) != SR3_EXEC_IDLE) && (spin-- > 0));
-
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-
-  /* If there was a problem */
-  if(spin <= 0)
-    {
-#ifdef DEBUG_CONFIG_ERRORS
-      printk(KERN_INFO "%s: wv_ru_stop(): The chip doesn't want to stop...\n",
-	     dev->name);
-#endif
-      return FALSE;
-    }
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: <-wv_ru_stop()\n", dev->name);
-#endif
-  return TRUE;
-} /* wv_ru_stop */
-
-/*------------------------------------------------------------------*/
-/*
- * This routine starts the receive unit running.  First, it checks if
- * the card is actually ready. Then the card is instructed to receive
- * packets again.
- * (called in wv_hw_reset() & wavelan_open())
- */
-static int
-wv_ru_start(struct net_device *	dev)
-{
-  unsigned int	base = dev->base_addr;
-  net_local *	lp = netdev_priv(dev);
-  unsigned long	flags;
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: ->wv_ru_start()\n", dev->name);
-#endif
-
-  /*
-   * We need to start from a quiescent state. To do so, we could check
-   * if the card is already running, but instead we just try to shut
-   * it down. First, we disable reception (in case it was already enabled).
-   */
-  if(!wv_ru_stop(dev))
-    return FALSE;
-
-  spin_lock_irqsave(&lp->spinlock, flags);
-
-  /* Now we know that no command is being executed. */
-
-  /* Set the receive frame pointer and stop pointer */
-  lp->rfp = 0;
-  outb(OP0_SWIT_TO_PORT_1 | CR0_CHNL, LCCR(base));
-
-  /* Reset ring management.  This sets the receive frame pointer to 1 */
-  outb(OP1_RESET_RING_MNGMT, LCCR(base));
-
-#if 0
-  /* XXX the i82593 manual page 6-4 seems to indicate that the stop register
-     should be set as below */
-  /* outb(CR1_STOP_REG_UPDATE|((RX_SIZE - 0x40)>> RX_SIZE_SHIFT),LCCR(base));*/
-#elif 0
-  /* but I set it 0 instead */
-  lp->stop = 0;
-#else
-  /* but I set it to 3 bytes per packet less than 8K */
-  lp->stop = (0 + RX_SIZE - ((RX_SIZE / 64) * 3)) % RX_SIZE;
-#endif
-  outb(CR1_STOP_REG_UPDATE | (lp->stop >> RX_SIZE_SHIFT), LCCR(base));
-  outb(OP1_INT_ENABLE, LCCR(base));
-  outb(OP1_SWIT_TO_PORT_0, LCCR(base));
-
-  /* Reset receive DMA pointer */
-  hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
-  hacr_write_slow(base, HACR_DEFAULT);
-
-  /* Receive DMA on channel 1 */
-  wv_82593_cmd(dev, "wv_ru_start(): rcv-enable",
-	       CR0_CHNL | OP0_RCV_ENABLE, SR0_NO_RESULT);
-
-#ifdef DEBUG_I82593_SHOW
-  {
-    int	status;
-    int	opri;
-    int	spin = 10000;
-
-    /* spin until the chip starts receiving */
-    do
-      {
-	outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
-	status = inb(LCSR(base));
-	if(spin-- <= 0)
-	  break;
-      }
-    while(((status & SR3_RCV_STATE_MASK) != SR3_RCV_ACTIVE) &&
-	  ((status & SR3_RCV_STATE_MASK) != SR3_RCV_READY));
-    printk(KERN_DEBUG "rcv status is 0x%x [i:%d]\n",
-	   (status & SR3_RCV_STATE_MASK), i);
-  }
-#endif
-
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: <-wv_ru_start()\n", dev->name);
-#endif
-  return TRUE;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This routine does a standard config of the WaveLAN controller (i82593).
- * In the ISA driver, this is integrated in wavelan_hardware_reset()
- * (called by wv_hw_config(), wv_82593_reconfig() & wavelan_packet_xmit())
- */
-static int
-wv_82593_config(struct net_device *	dev)
-{
-  unsigned int			base = dev->base_addr;
-  net_local *			lp = netdev_priv(dev);
-  struct i82593_conf_block	cfblk;
-  int				ret = TRUE;
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: ->wv_82593_config()\n", dev->name);
-#endif
-
-  /* Create & fill i82593 config block
-   *
-   * Now conform to Wavelan document WCIN085B
-   */
-  memset(&cfblk, 0x00, sizeof(struct i82593_conf_block));
-  cfblk.d6mod = FALSE;  	/* Run in i82593 advanced mode */
-  cfblk.fifo_limit = 5;         /* = 56 B rx and 40 B tx fifo thresholds */
-  cfblk.forgnesi = FALSE;       /* 0=82C501, 1=AMD7992B compatibility */
-  cfblk.fifo_32 = 1;
-  cfblk.throttle_enb = FALSE;
-  cfblk.contin = TRUE;          /* enable continuous mode */
-  cfblk.cntrxint = FALSE;       /* enable continuous mode receive interrupts */
-  cfblk.addr_len = WAVELAN_ADDR_SIZE;
-  cfblk.acloc = TRUE;           /* Disable source addr insertion by i82593 */
-  cfblk.preamb_len = 0;         /* 2 bytes preamble (SFD) */
-  cfblk.loopback = FALSE;
-  cfblk.lin_prio = 0;   	/* conform to 802.3 backoff algorithm */
-  cfblk.exp_prio = 5;	        /* conform to 802.3 backoff algorithm */
-  cfblk.bof_met = 1;	        /* conform to 802.3 backoff algorithm */
-  cfblk.ifrm_spc = 0x20 >> 4;	/* 32 bit times interframe spacing */
-  cfblk.slottim_low = 0x20 >> 5;	/* 32 bit times slot time */
-  cfblk.slottim_hi = 0x0;
-  cfblk.max_retr = 15;
-  cfblk.prmisc = ((lp->promiscuous) ? TRUE: FALSE);	/* Promiscuous mode */
-  cfblk.bc_dis = FALSE;         /* Enable broadcast reception */
-  cfblk.crs_1 = TRUE;		/* Transmit without carrier sense */
-  cfblk.nocrc_ins = FALSE;	/* i82593 generates CRC */	
-  cfblk.crc_1632 = FALSE;	/* 32-bit Autodin-II CRC */
-  cfblk.crs_cdt = FALSE;	/* CD not to be interpreted as CS */
-  cfblk.cs_filter = 0;  	/* CS is recognized immediately */
-  cfblk.crs_src = FALSE;	/* External carrier sense */
-  cfblk.cd_filter = 0;  	/* CD is recognized immediately */
-  cfblk.min_fr_len = ETH_ZLEN >> 2;     /* Minimum frame length 64 bytes */
-  cfblk.lng_typ = FALSE;	/* Length field > 1500 = type field */
-  cfblk.lng_fld = TRUE; 	/* Disable 802.3 length field check */
-  cfblk.rxcrc_xf = TRUE;	/* Don't transfer CRC to memory */
-  cfblk.artx = TRUE;		/* Disable automatic retransmission */
-  cfblk.sarec = TRUE;		/* Disable source addr trig of CD */
-  cfblk.tx_jabber = TRUE;	/* Disable jabber jam sequence */
-  cfblk.hash_1 = FALSE; 	/* Use bits 0-5 in mc address hash */
-  cfblk.lbpkpol = TRUE; 	/* Loopback pin active high */
-  cfblk.fdx = FALSE;		/* Disable full duplex operation */
-  cfblk.dummy_6 = 0x3f; 	/* all ones */
-  cfblk.mult_ia = FALSE;	/* No multiple individual addresses */
-  cfblk.dis_bof = FALSE;	/* Disable the backoff algorithm ?! */
-  cfblk.dummy_1 = TRUE; 	/* set to 1 */
-  cfblk.tx_ifs_retrig = 3;	/* Hmm... Disabled */
-#ifdef MULTICAST_ALL
-  cfblk.mc_all = (lp->allmulticast ? TRUE: FALSE);	/* Allow all multicasts */
-#else
-  cfblk.mc_all = FALSE;		/* No multicast all mode */
-#endif
-  cfblk.rcv_mon = 0;		/* Monitor mode disabled */
-  cfblk.frag_acpt = TRUE;	/* Do not accept fragments */
-  cfblk.tstrttrs = FALSE;	/* No start transmission threshold */
-  cfblk.fretx = TRUE;		/* FIFO automatic retransmission */
-  cfblk.syncrqs = FALSE; 	/* Synchronous DRQ deassertion... */
-  cfblk.sttlen = TRUE;  	/* 6 byte status registers */
-  cfblk.rx_eop = TRUE;  	/* Signal EOP on packet reception */
-  cfblk.tx_eop = TRUE;  	/* Signal EOP on packet transmission */
-  cfblk.rbuf_size = RX_SIZE>>11;	/* Set receive buffer size */
-  cfblk.rcvstop = TRUE; 	/* Enable Receive Stop Register */
-
-#ifdef DEBUG_I82593_SHOW
-  print_hex_dump(KERN_DEBUG, "wavelan_cs: config block: ", DUMP_PREFIX_NONE,
-		 16, 1, &cfblk, sizeof(struct i82593_conf_block), false);
-#endif
-
-  /* Copy the config block to the i82593 */
-  outb(TX_BASE & 0xff, PIORL(base));
-  outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
-  outb(sizeof(struct i82593_conf_block) & 0xff, PIOP(base));    /* lsb */
-  outb(sizeof(struct i82593_conf_block) >> 8, PIOP(base));	/* msb */
-  outsb(PIOP(base), (char *) &cfblk, sizeof(struct i82593_conf_block));
-
-  /* reset transmit DMA pointer */
-  hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
-  hacr_write(base, HACR_DEFAULT);
-  if(!wv_82593_cmd(dev, "wv_82593_config(): configure",
-		   OP0_CONFIGURE, SR0_CONFIGURE_DONE))
-    ret = FALSE;
-
-  /* Initialize adapter's ethernet MAC address */
-  outb(TX_BASE & 0xff, PIORL(base));
-  outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
-  outb(WAVELAN_ADDR_SIZE, PIOP(base));	/* byte count lsb */
-  outb(0, PIOP(base));			/* byte count msb */
-  outsb(PIOP(base), &dev->dev_addr[0], WAVELAN_ADDR_SIZE);
-
-  /* reset transmit DMA pointer */
-  hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
-  hacr_write(base, HACR_DEFAULT);
-  if(!wv_82593_cmd(dev, "wv_82593_config(): ia-setup",
-		   OP0_IA_SETUP, SR0_IA_SETUP_DONE))
-    ret = FALSE;
-
-#ifdef WAVELAN_ROAMING
-    /* If roaming is enabled, join the "Beacon Request" multicast group... */
-    /* But only if it's not in there already! */
-  if(do_roaming)
-    dev_mc_add(dev,WAVELAN_BEACON_ADDRESS, WAVELAN_ADDR_SIZE, 1);
-#endif	/* WAVELAN_ROAMING */
-
-  /* If any multicast address to set */
-  if(lp->mc_count)
-    {
-      struct dev_mc_list *dmi;
-      int			addrs_len = WAVELAN_ADDR_SIZE * lp->mc_count;
-
-#ifdef DEBUG_CONFIG_INFO
-      printk(KERN_DEBUG "%s: wv_hw_config(): set %d multicast addresses:\n",
-	     dev->name, lp->mc_count);
-      netdev_for_each_mc_addr(dmi, dev)
-	printk(KERN_DEBUG " %pM\n", dmi->dmi_addr);
-#endif
-
-      /* Initialize adapter's ethernet multicast addresses */
-      outb(TX_BASE & 0xff, PIORL(base));
-      outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
-      outb(addrs_len & 0xff, PIOP(base));	/* byte count lsb */
-      outb((addrs_len >> 8), PIOP(base));	/* byte count msb */
-      netdev_for_each_mc_addr(dmi, dev)
-	outsb(PIOP(base), dmi->dmi_addr, dmi->dmi_addrlen);
-
-      /* reset transmit DMA pointer */
-      hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
-      hacr_write(base, HACR_DEFAULT);
-      if(!wv_82593_cmd(dev, "wv_82593_config(): mc-setup",
-		       OP0_MC_SETUP, SR0_MC_SETUP_DONE))
-	ret = FALSE;
-      /* remember to avoid repeated reset */
-      lp->mc_count = netdev_mc_count(dev);
-    }
-
-  /* Job done, clear the flag */
-  lp->reconfig_82593 = FALSE;
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: <-wv_82593_config()\n", dev->name);
-#endif
-  return(ret);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Read the Access Configuration Register, perform a software reset,
- * and then re-enable the card's software.
- *
- * If I understand correctly : reset the pcmcia interface of the
- * wavelan.
- * (called by wv_config())
- */
-static int
-wv_pcmcia_reset(struct net_device *	dev)
-{
-  int		i;
-  conf_reg_t	reg = { 0, CS_READ, CISREG_COR, 0 };
-  struct pcmcia_device *	link = ((net_local *)netdev_priv(dev))->link;
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: ->wv_pcmcia_reset()\n", dev->name);
-#endif
-
-  i = pcmcia_access_configuration_register(link, &reg);
-  if (i != 0)
-      return FALSE;
-      
-#ifdef DEBUG_CONFIG_INFO
-  printk(KERN_DEBUG "%s: wavelan_pcmcia_reset(): Config reg is 0x%x\n",
-	 dev->name, (u_int) reg.Value);
-#endif
-
-  reg.Action = CS_WRITE;
-  reg.Value = reg.Value | COR_SW_RESET;
-  i = pcmcia_access_configuration_register(link, &reg);
-  if (i != 0)
-      return FALSE;
-      
-  reg.Action = CS_WRITE;
-  reg.Value = COR_LEVEL_IRQ | COR_CONFIG;
-  i = pcmcia_access_configuration_register(link, &reg);
-  if (i != 0)
-      return FALSE;
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: <-wv_pcmcia_reset()\n", dev->name);
-#endif
-  return TRUE;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * wavelan_hw_config() is called after a CARD_INSERTION event is
- * received, to configure the wavelan hardware.
- * Note that the reception will be enabled in wavelan->open(), so the
- * device is configured but idle...
- * Performs the following actions:
- * 	1. A pcmcia software reset (using wv_pcmcia_reset())
- *	2. A power reset (reset DMA)
- *	3. Reset the LAN controller
- *	4. Initialize the radio modem (using wv_mmc_init)
- *	5. Configure LAN controller (using wv_82593_config)
- *	6. Perform a diagnostic on the LAN controller
- * (called by wavelan_event() & wv_hw_reset())
- */
-static int
-wv_hw_config(struct net_device *	dev)
-{
-  net_local *		lp = netdev_priv(dev);
-  unsigned int		base = dev->base_addr;
-  unsigned long		flags;
-  int			ret = FALSE;
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: ->wv_hw_config()\n", dev->name);
-#endif
-
-  /* compile-time check the sizes of structures */
-  BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
-  BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
-  BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
-
-  /* Reset the pcmcia interface */
-  if(wv_pcmcia_reset(dev) == FALSE)
-    return FALSE;
-
-  /* Disable interrupts */
-  spin_lock_irqsave(&lp->spinlock, flags);
-
-  /* Disguised goto ;-) */
-  do
-    {
-      /* Power UP the module + reset the modem + reset host adapter
-       * (in fact, reset DMA channels) */
-      hacr_write_slow(base, HACR_RESET);
-      hacr_write(base, HACR_DEFAULT);
-
-      /* Check if the module has been powered up... */
-      if(hasr_read(base) & HASR_NO_CLK)
-	{
-#ifdef DEBUG_CONFIG_ERRORS
-	  printk(KERN_WARNING "%s: wv_hw_config(): modem not connected or not a wavelan card\n",
-		 dev->name);
-#endif
-	  break;
-	}
-
-      /* initialize the modem */
-      if(wv_mmc_init(dev) == FALSE)
-	{
-#ifdef DEBUG_CONFIG_ERRORS
-	  printk(KERN_WARNING "%s: wv_hw_config(): Can't configure the modem\n",
-		 dev->name);
-#endif
-	  break;
-	}
-
-      /* reset the LAN controller (i82593) */
-      outb(OP0_RESET, LCCR(base));
-      mdelay(1);	/* A bit crude ! */
-
-      /* Initialize the LAN controller */
-      if(wv_82593_config(dev) == FALSE)
-	{
-#ifdef DEBUG_CONFIG_ERRORS
-	  printk(KERN_INFO "%s: wv_hw_config(): i82593 init failed\n",
-		 dev->name);
-#endif
-	  break;
-	}
-
-      /* Diagnostic */
-      if(wv_diag(dev) == FALSE)
-	{
-#ifdef DEBUG_CONFIG_ERRORS
-	  printk(KERN_INFO "%s: wv_hw_config(): i82593 diagnostic failed\n",
-		 dev->name);
-#endif
-	  break;
-	}
-
-      /* 
-       * insert code for loopback test here
-       */
-
-      /* The device is now configured */
-      lp->configured = 1;
-      ret = TRUE;
-    }
-  while(0);
-
-  /* Re-enable interrupts */
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: <-wv_hw_config()\n", dev->name);
-#endif
-  return(ret);
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Totally reset the wavelan and restart it.
- * Performs the following actions:
- * 	1. Call wv_hw_config()
- *	2. Start the LAN controller's receive unit
- * (called by wavelan_event(), wavelan_watchdog() and wavelan_open())
- */
-static void
-wv_hw_reset(struct net_device *	dev)
-{
-  net_local *	lp = netdev_priv(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: ->wv_hw_reset()\n", dev->name);
-#endif
-
-  lp->nresets++;
-  lp->configured = 0;
-  
-  /* Call wv_hw_config() for most of the reset & init stuff */
-  if(wv_hw_config(dev) == FALSE)
-    return;
-
-  /* start receive unit */
-  wv_ru_start(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "%s: <-wv_hw_reset()\n", dev->name);
-#endif
-}
-
-/*------------------------------------------------------------------*/
-/*
- * wv_pcmcia_config() is called after a CARD_INSERTION event is
- * received, to configure the PCMCIA socket, and to make the ethernet
- * device available to the system.
- * (called by wavelan_event())
- */
-static int
-wv_pcmcia_config(struct pcmcia_device *	link)
-{
-  struct net_device *	dev = (struct net_device *) link->priv;
-  int			i;
-  win_req_t		req;
-  memreq_t		mem;
-  net_local *		lp = netdev_priv(dev);
-
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "->wv_pcmcia_config(0x%p)\n", link);
-#endif
-
-  do
-    {
-      i = pcmcia_request_io(link, &link->io);
-      if (i != 0)
-	  break;
-
-      /*
-       * Now allocate an interrupt line.  Note that this does not
-       * actually assign a handler to the interrupt.
-       */
-      i = pcmcia_request_irq(link, &link->irq);
-      if (i != 0)
-	  break;
-
-      /*
-       * This actually configures the PCMCIA socket -- setting up
-       * the I/O windows and the interrupt mapping.
-       */
-      link->conf.ConfigIndex = 1;
-      i = pcmcia_request_configuration(link, &link->conf);
-      if (i != 0)
-	  break;
-
-      /*
-       * Allocate a small memory window.  Note that the struct pcmcia_device
-       * structure provides space for one window handle -- if your
-       * device needs several windows, you'll need to keep track of
-       * the handles in your private data structure, link->priv.
-       */
-      req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
-      req.Base = req.Size = 0;
-      req.AccessSpeed = mem_speed;
-      i = pcmcia_request_window(link, &req, &link->win);
-      if (i != 0)
-	  break;
-
-      lp->mem = ioremap(req.Base, req.Size);
-      dev->mem_start = (u_long)lp->mem;
-      dev->mem_end = dev->mem_start + req.Size;
-
-      mem.CardOffset = 0; mem.Page = 0;
-      i = pcmcia_map_mem_page(link, link->win, &mem);
-      if (i != 0)
-	  break;
-
-      /* Feed device with this info... */
-      dev->irq = link->irq.AssignedIRQ;
-      dev->base_addr = link->io.BasePort1;
-      netif_start_queue(dev);
-
-#ifdef DEBUG_CONFIG_INFO
-      printk(KERN_DEBUG "wv_pcmcia_config: MEMSTART %p IRQ %d IOPORT 0x%x\n",
-	     lp->mem, dev->irq, (u_int) dev->base_addr);
-#endif
-
-      SET_NETDEV_DEV(dev, &link->dev);
-      i = register_netdev(dev);
-      if(i != 0)
-	{
-#ifdef DEBUG_CONFIG_ERRORS
-	  printk(KERN_INFO "wv_pcmcia_config(): register_netdev() failed\n");
-#endif
-	  break;
-	}
-    }
-  while(0);		/* Humm... Disguised goto !!! */
-
-  /* If any step failed, release any partially configured state */
-  if(i != 0)
-    {
-      wv_pcmcia_release(link);
-      return FALSE;
-    }
-
-  strcpy(((net_local *) netdev_priv(dev))->node.dev_name, dev->name);
-  link->dev_node = &((net_local *) netdev_priv(dev))->node;
-
-#ifdef DEBUG_CONFIG_TRACE
-  printk(KERN_DEBUG "<-wv_pcmcia_config()\n");
-#endif
-  return TRUE;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * After a card is removed, wv_pcmcia_release() will unregister the net
- * device, and release the PCMCIA configuration.  If the device is
- * still open, this will be postponed until it is closed.
- */
-static void
-wv_pcmcia_release(struct pcmcia_device *link)
-{
-	struct net_device *	dev = (struct net_device *) link->priv;
-	net_local *		lp = netdev_priv(dev);
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: -> wv_pcmcia_release(0x%p)\n", dev->name, link);
-#endif
-
-	iounmap(lp->mem);
-	pcmcia_disable_device(link);
-
-#ifdef DEBUG_CONFIG_TRACE
-	printk(KERN_DEBUG "%s: <- wv_pcmcia_release()\n", dev->name);
-#endif
-}
-
-/************************ INTERRUPT HANDLING ************************/
-
-/*
- * This function is the interrupt handler for the WaveLAN card. This
- * routine will be called whenever: 
- *	1. A packet is received.
- *	2. A packet has successfully been transferred and the unit is
- *	   ready to transmit another packet.
- *	3. A command has completed execution.
- */
-static irqreturn_t
-wavelan_interrupt(int		irq,
-		  void *	dev_id)
-{
-  struct net_device *	dev = dev_id;
-  net_local *	lp;
-  unsigned int	base;
-  int		status0;
-  u_int		tx_status;
-
-#ifdef DEBUG_INTERRUPT_TRACE
-  printk(KERN_DEBUG "%s: ->wavelan_interrupt()\n", dev->name);
-#endif
-
-  lp = netdev_priv(dev);
-  base = dev->base_addr;
-
-#ifdef DEBUG_INTERRUPT_INFO
-  /* Check state of our spinlock (it should be cleared) */
-  if(spin_is_locked(&lp->spinlock))
-    printk(KERN_DEBUG
-	   "%s: wavelan_interrupt(): spinlock is already locked !!!\n",
-	   dev->name);
-#endif
-
-  /* Prevent reentrancy. We need to do that because we may have
-   * multiple interrupt handler running concurrently.
-   * It is safe because interrupts are disabled before aquiring
-   * the spinlock. */
-  spin_lock(&lp->spinlock);
-
-  /* Treat all pending interrupts */
-  while(1)
-    {
-      /* ---------------- INTERRUPT CHECKING ---------------- */
-      /*
-       * Look for the interrupt and verify the validity
-       */
-      outb(CR0_STATUS_0 | OP0_NOP, LCCR(base));
-      status0 = inb(LCSR(base));
-
-#ifdef DEBUG_INTERRUPT_INFO
-      printk(KERN_DEBUG "status0 0x%x [%s => 0x%x]", status0, 
-	     (status0&SR0_INTERRUPT)?"int":"no int",status0&~SR0_INTERRUPT);
-      if(status0&SR0_INTERRUPT)
-	{
-	  printk(" [%s => %d]\n", (status0 & SR0_CHNL) ? "chnl" :
-		 ((status0 & SR0_EXECUTION) ? "cmd" :
-		  ((status0 & SR0_RECEPTION) ? "recv" : "unknown")),
-		 (status0 & SR0_EVENT_MASK));
-	}
-      else
-	printk("\n");
-#endif
-
-      /* Return if no actual interrupt from i82593 (normal exit) */
-      if(!(status0 & SR0_INTERRUPT))
-	break;
-
-      /* If interrupt is both Rx and Tx or none...
-       * This code in fact is there to catch the spurious interrupt
-       * when you remove the wavelan pcmcia card from the socket */
-      if(((status0 & SR0_BOTH_RX_TX) == SR0_BOTH_RX_TX) ||
-	 ((status0 & SR0_BOTH_RX_TX) == 0x0))
-	{
-#ifdef DEBUG_INTERRUPT_INFO
-	  printk(KERN_INFO "%s: wv_interrupt(): bogus interrupt (or from dead card) : %X\n",
-		 dev->name, status0);
-#endif
-	  /* Acknowledge the interrupt */
-	  outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
-	  break;
-	}
-
-      /* ----------------- RECEIVING PACKET ----------------- */
-      /*
-       * When the wavelan signal the reception of a new packet,
-       * we call wv_packet_rcv() to copy if from the buffer and
-       * send it to NET3
-       */
-      if(status0 & SR0_RECEPTION)
-	{
-#ifdef DEBUG_INTERRUPT_INFO
-	  printk(KERN_DEBUG "%s: wv_interrupt(): receive\n", dev->name);
-#endif
-
-	  if((status0 & SR0_EVENT_MASK) == SR0_STOP_REG_HIT)
-	    {
-#ifdef DEBUG_INTERRUPT_ERROR
-	      printk(KERN_INFO "%s: wv_interrupt(): receive buffer overflow\n",
-		     dev->name);
-#endif
-	      dev->stats.rx_over_errors++;
-	      lp->overrunning = 1;
-      	    }
-
-	  /* Get the packet */
-	  wv_packet_rcv(dev);
-	  lp->overrunning = 0;
-
-	  /* Acknowledge the interrupt */
-	  outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
-	  continue;
-    	}
-
-      /* ---------------- COMMAND COMPLETION ---------------- */
-      /*
-       * Interrupts issued when the i82593 has completed a command.
-       * Most likely : transmission done
-       */
-
-      /* If a transmission has been done */
-      if((status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_DONE ||
-	 (status0 & SR0_EVENT_MASK) == SR0_RETRANSMIT_DONE ||
-	 (status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE)
-	{
-#ifdef DEBUG_TX_ERROR
-	  if((status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE)
-	    printk(KERN_INFO "%s: wv_interrupt(): packet transmitted without CRC.\n",
-		   dev->name);
-#endif
-
-	  /* Get transmission status */
-	  tx_status = inb(LCSR(base));
-	  tx_status |= (inb(LCSR(base)) << 8);
-#ifdef DEBUG_INTERRUPT_INFO
-	  printk(KERN_DEBUG "%s: wv_interrupt(): transmission done\n",
-		 dev->name);
-	  {
-	    u_int	rcv_bytes;
-	    u_char	status3;
-	    rcv_bytes = inb(LCSR(base));
-	    rcv_bytes |= (inb(LCSR(base)) << 8);
-	    status3 = inb(LCSR(base));
-	    printk(KERN_DEBUG "tx_status 0x%02x rcv_bytes 0x%02x status3 0x%x\n",
-		   tx_status, rcv_bytes, (u_int) status3);
-	  }
-#endif
-	  /* Check for possible errors */
-	  if((tx_status & TX_OK) != TX_OK)
-	    {
-	      dev->stats.tx_errors++;
-
-	      if(tx_status & TX_FRTL)
-		{
-#ifdef DEBUG_TX_ERROR
-		  printk(KERN_INFO "%s: wv_interrupt(): frame too long\n",
-			 dev->name);
-#endif
-		}
-	      if(tx_status & TX_UND_RUN)
-		{
-#ifdef DEBUG_TX_FAIL
-		  printk(KERN_DEBUG "%s: wv_interrupt(): DMA underrun\n",
-			 dev->name);
-#endif
-		  dev->stats.tx_aborted_errors++;
-		}
-	      if(tx_status & TX_LOST_CTS)
-		{
-#ifdef DEBUG_TX_FAIL
-		  printk(KERN_DEBUG "%s: wv_interrupt(): no CTS\n", dev->name);
-#endif
-		  dev->stats.tx_carrier_errors++;
-		}
-	      if(tx_status & TX_LOST_CRS)
-		{
-#ifdef DEBUG_TX_FAIL
-		  printk(KERN_DEBUG "%s: wv_interrupt(): no carrier\n",
-			 dev->name);
-#endif
-		  dev->stats.tx_carrier_errors++;
-		}
-	      if(tx_status & TX_HRT_BEAT)
-		{
-#ifdef DEBUG_TX_FAIL
-		  printk(KERN_DEBUG "%s: wv_interrupt(): heart beat\n", dev->name);
-#endif
-		  dev->stats.tx_heartbeat_errors++;
-		}
-	      if(tx_status & TX_DEFER)
-		{
-#ifdef DEBUG_TX_FAIL
-		  printk(KERN_DEBUG "%s: wv_interrupt(): channel jammed\n",
-			 dev->name);
-#endif
-		}
-	      /* Ignore late collisions since they're more likely to happen
-	       * here (the WaveLAN design prevents the LAN controller from
-	       * receiving while it is transmitting). We take action only when
-	       * the maximum retransmit attempts is exceeded.
-	       */
-	      if(tx_status & TX_COLL)
-		{
-		  if(tx_status & TX_MAX_COL)
-		    {
-#ifdef DEBUG_TX_FAIL
-		      printk(KERN_DEBUG "%s: wv_interrupt(): channel congestion\n",
-			     dev->name);
-#endif
-		      if(!(tx_status & TX_NCOL_MASK))
-			{
-			  dev->stats.collisions += 0x10;
-			}
-		    }
-		}
-	    }	/* if(!(tx_status & TX_OK)) */
-
-	  dev->stats.collisions += (tx_status & TX_NCOL_MASK);
-	  dev->stats.tx_packets++;
-
-	  netif_wake_queue(dev);
-	  outb(CR0_INT_ACK | OP0_NOP, LCCR(base));	/* Acknowledge the interrupt */
-    	} 
-      else	/* if interrupt = transmit done or retransmit done */
-	{
-#ifdef DEBUG_INTERRUPT_ERROR
-	  printk(KERN_INFO "wavelan_cs: unknown interrupt, status0 = %02x\n",
-		 status0);
-#endif
-	  outb(CR0_INT_ACK | OP0_NOP, LCCR(base));	/* Acknowledge the interrupt */
-    	}
-    }	/* while(1) */
-
-  spin_unlock(&lp->spinlock);
-
-#ifdef DEBUG_INTERRUPT_TRACE
-  printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
-#endif
-
-  /* We always return IRQ_HANDLED, because we will receive empty
-   * interrupts under normal operations. Anyway, it doesn't matter
-   * as we are dealing with an ISA interrupt that can't be shared.
-   *
-   * Explanation : under heavy receive, the following happens :
-   * ->wavelan_interrupt()
-   *    (status0 & SR0_INTERRUPT) != 0
-   *       ->wv_packet_rcv()
-   *    (status0 & SR0_INTERRUPT) != 0
-   *       ->wv_packet_rcv()
-   *    (status0 & SR0_INTERRUPT) == 0	// i.e. no more event
-   * <-wavelan_interrupt()
-   * ->wavelan_interrupt()
-   *    (status0 & SR0_INTERRUPT) == 0	// i.e. empty interrupt
-   * <-wavelan_interrupt()
-   * Jean II */
-  return IRQ_HANDLED;
-} /* wv_interrupt */
-
-/*------------------------------------------------------------------*/
-/*
- * Watchdog: when we start a transmission, a timer is set for us in the
- * kernel.  If the transmission completes, this timer is disabled. If
- * the timer expires, we are called and we try to unlock the hardware.
- *
- * Note : This watchdog is move clever than the one in the ISA driver,
- * because it try to abort the current command before reseting
- * everything...
- * On the other hand, it's a bit simpler, because we don't have to
- * deal with the multiple Tx buffers...
- */
-static void
-wavelan_watchdog(struct net_device *	dev)
-{
-  net_local *		lp = netdev_priv(dev);
-  unsigned int		base = dev->base_addr;
-  unsigned long		flags;
-  int			aborted = FALSE;
-
-#ifdef DEBUG_INTERRUPT_TRACE
-  printk(KERN_DEBUG "%s: ->wavelan_watchdog()\n", dev->name);
-#endif
-
-#ifdef DEBUG_INTERRUPT_ERROR
-  printk(KERN_INFO "%s: wavelan_watchdog: watchdog timer expired\n",
-	 dev->name);
-#endif
-
-  spin_lock_irqsave(&lp->spinlock, flags);
-
-  /* Ask to abort the current command */
-  outb(OP0_ABORT, LCCR(base));
-
-  /* Wait for the end of the command (a bit hackish) */
-  if(wv_82593_cmd(dev, "wavelan_watchdog(): abort",
-		  OP0_NOP | CR0_STATUS_3, SR0_EXECUTION_ABORTED))
-    aborted = TRUE;
-
-  /* Release spinlock here so that wv_hw_reset() can grab it */
-  spin_unlock_irqrestore(&lp->spinlock, flags);
-
-  /* Check if we were successful in aborting it */
-  if(!aborted)
-    {
-      /* It seem that it wasn't enough */
-#ifdef DEBUG_INTERRUPT_ERROR
-      printk(KERN_INFO "%s: wavelan_watchdog: abort failed, trying reset\n",
-	     dev->name);
-#endif
-      wv_hw_reset(dev);
-    }
-
-#ifdef DEBUG_PSA_SHOW
-  {
-    psa_t		psa;
-    psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
-    wv_psa_show(&psa);
-  }
-#endif
-#ifdef DEBUG_MMC_SHOW
-  wv_mmc_show(dev);
-#endif
-#ifdef DEBUG_I82593_SHOW
-  wv_ru_show(dev);
-#endif
-
-  /* We are no more waiting for something... */
-  netif_wake_queue(dev);
-
-#ifdef DEBUG_INTERRUPT_TRACE
-  printk(KERN_DEBUG "%s: <-wavelan_watchdog()\n", dev->name);
-#endif
-}
-
-/********************* CONFIGURATION CALLBACKS *********************/
-/*
- * Here are the functions called by the pcmcia package (cardmgr) and
- * linux networking (NET3) for initialization, configuration and
- * deinstallations of the Wavelan Pcmcia Hardware.
- */
-
-/*------------------------------------------------------------------*/
-/*
- * Configure and start up the WaveLAN PCMCIA adaptor.
- * Called by NET3 when it "open" the device.
- */
-static int
-wavelan_open(struct net_device *	dev)
-{
-  net_local *	lp = netdev_priv(dev);
-  struct pcmcia_device *	link = lp->link;
-  unsigned int	base = dev->base_addr;
-
-#ifdef DEBUG_CALLBACK_TRACE
-  printk(KERN_DEBUG "%s: ->wavelan_open(dev=0x%x)\n", dev->name,
-	 (unsigned int) dev);
-#endif
-
-  /* Check if the modem is powered up (wavelan_close() power it down */
-  if(hasr_read(base) & HASR_NO_CLK)
-    {
-      /* Power up (power up time is 250us) */
-      hacr_write(base, HACR_DEFAULT);
-
-      /* Check if the module has been powered up... */
-      if(hasr_read(base) & HASR_NO_CLK)
-	{
-#ifdef DEBUG_CONFIG_ERRORS
-	  printk(KERN_WARNING "%s: wavelan_open(): modem not connected\n",
-		 dev->name);
-#endif
-	  return FALSE;
-	}
-    }
-
-  /* Start reception and declare the driver ready */
-  if(!lp->configured)
-    return FALSE;
-  if(!wv_ru_start(dev))
-    wv_hw_reset(dev);		/* If problem : reset */
-  netif_start_queue(dev);
-
-  /* Mark the device as used */
-  link->open++;
-
-#ifdef WAVELAN_ROAMING
-  if(do_roaming)
-    wv_roam_init(dev);
-#endif	/* WAVELAN_ROAMING */
-
-#ifdef DEBUG_CALLBACK_TRACE
-  printk(KERN_DEBUG "%s: <-wavelan_open()\n", dev->name);
-#endif
-  return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Shutdown the WaveLAN PCMCIA adaptor.
- * Called by NET3 when it "close" the device.
- */
-static int
-wavelan_close(struct net_device *	dev)
-{
-  struct pcmcia_device *	link = ((net_local *)netdev_priv(dev))->link;
-  unsigned int	base = dev->base_addr;
-
-#ifdef DEBUG_CALLBACK_TRACE
-  printk(KERN_DEBUG "%s: ->wavelan_close(dev=0x%x)\n", dev->name,
-	 (unsigned int) dev);
-#endif
-
-  /* If the device isn't open, then nothing to do */
-  if(!link->open)
-    {
-#ifdef DEBUG_CONFIG_INFO
-      printk(KERN_DEBUG "%s: wavelan_close(): device not open\n", dev->name);
-#endif
-      return 0;
-    }
-
-#ifdef WAVELAN_ROAMING
-  /* Cleanup of roaming stuff... */
-  if(do_roaming)
-    wv_roam_cleanup(dev);
-#endif	/* WAVELAN_ROAMING */
-
-  link->open--;
-
-  /* If the card is still present */
-  if(netif_running(dev))
-    {
-      netif_stop_queue(dev);
-
-      /* Stop receiving new messages and wait end of transmission */
-      wv_ru_stop(dev);
-
-      /* Power down the module */
-      hacr_write(base, HACR_DEFAULT & (~HACR_PWR_STAT));
-    }
-
-#ifdef DEBUG_CALLBACK_TRACE
-  printk(KERN_DEBUG "%s: <-wavelan_close()\n", dev->name);
-#endif
-  return 0;
-}
-
-static const struct net_device_ops wavelan_netdev_ops = {
-	.ndo_open 		= wavelan_open,
-	.ndo_stop		= wavelan_close,
-	.ndo_start_xmit		= wavelan_packet_xmit,
-	.ndo_set_multicast_list = wavelan_set_multicast_list,
-#ifdef SET_MAC_ADDRESS
-	.ndo_set_mac_address	= wavelan_set_mac_address,
-#endif
-	.ndo_tx_timeout		= wavelan_watchdog,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-};
-
-/*------------------------------------------------------------------*/
-/*
- * wavelan_attach() creates an "instance" of the driver, allocating
- * local data structures for one device (one interface).  The device
- * is registered with Card Services.
- *
- * The dev_link structure is initialized, but we don't actually
- * configure the card at this point -- we wait until we receive a
- * card insertion event.
- */
-static int
-wavelan_probe(struct pcmcia_device *p_dev)
-{
-  struct net_device *	dev;		/* Interface generic data */
-  net_local *	lp;		/* Interface specific data */
-  int ret;
-
-#ifdef DEBUG_CALLBACK_TRACE
-  printk(KERN_DEBUG "-> wavelan_attach()\n");
-#endif
-
-  /* The io structure describes IO port mapping */
-  p_dev->io.NumPorts1 = 8;
-  p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
-  p_dev->io.IOAddrLines = 3;
-
-  /* Interrupt setup */
-  p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
-  p_dev->irq.Handler = wavelan_interrupt;
-
-  /* General socket configuration */
-  p_dev->conf.Attributes = CONF_ENABLE_IRQ;
-  p_dev->conf.IntType = INT_MEMORY_AND_IO;
-
-  /* Allocate the generic data structure */
-  dev = alloc_etherdev(sizeof(net_local));
-  if (!dev)
-      return -ENOMEM;
-
-  p_dev->priv = dev;
-
-  lp = netdev_priv(dev);
-
-  /* Init specific data */
-  lp->configured = 0;
-  lp->reconfig_82593 = FALSE;
-  lp->nresets = 0;
-  /* Multicast stuff */
-  lp->promiscuous = 0;
-  lp->allmulticast = 0;
-  lp->mc_count = 0;
-
-  /* Init spinlock */
-  spin_lock_init(&lp->spinlock);
-
-  /* back links */
-  lp->dev = dev;
-
-  /* wavelan NET3 callbacks */
-  dev->netdev_ops = &wavelan_netdev_ops;
-  dev->watchdog_timeo	= WATCHDOG_JIFFIES;
-  SET_ETHTOOL_OPS(dev, &ops);
-
-  dev->wireless_handlers = &wavelan_handler_def;
-  lp->wireless_data.spy_data = &lp->spy_data;
-  dev->wireless_data = &lp->wireless_data;
-
-  /* Other specific data */
-  dev->mtu = WAVELAN_MTU;
-
-  ret = wv_pcmcia_config(p_dev);
-  if (ret)
-	  return ret;
-
-  ret = wv_hw_config(dev);
-  if (ret) {
-	  dev->irq = 0;
-	  pcmcia_disable_device(p_dev);
-	  return ret;
-  }
-
-  wv_init_info(dev);
-
-#ifdef DEBUG_CALLBACK_TRACE
-  printk(KERN_DEBUG "<- wavelan_attach()\n");
-#endif
-
-  return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * This deletes a driver "instance".  The device is de-registered with
- * Card Services.  If it has been released, all local data structures
- * are freed.  Otherwise, the structures will be freed when the device
- * is released.
- */
-static void
-wavelan_detach(struct pcmcia_device *link)
-{
-#ifdef DEBUG_CALLBACK_TRACE
-  printk(KERN_DEBUG "-> wavelan_detach(0x%p)\n", link);
-#endif
-
-  /* Some others haven't done their job : give them another chance */
-  wv_pcmcia_release(link);
-
-  /* Free pieces */
-  if(link->priv)
-    {
-      struct net_device *	dev = (struct net_device *) link->priv;
-
-      /* Remove ourselves from the kernel list of ethernet devices */
-      /* Warning : can't be called from interrupt, timer or wavelan_close() */
-      if (link->dev_node)
-	unregister_netdev(dev);
-      link->dev_node = NULL;
-      ((net_local *)netdev_priv(dev))->link = NULL;
-      ((net_local *)netdev_priv(dev))->dev = NULL;
-      free_netdev(dev);
-    }
-
-#ifdef DEBUG_CALLBACK_TRACE
-  printk(KERN_DEBUG "<- wavelan_detach()\n");
-#endif
-}
-
-static int wavelan_suspend(struct pcmcia_device *link)
-{
-	struct net_device *	dev = (struct net_device *) link->priv;
-
-	/* NB: wavelan_close will be called, but too late, so we are
-	 * obliged to close nicely the wavelan here. David, could you
-	 * close the device before suspending them ? And, by the way,
-	 * could you, on resume, add a "route add -net ..." after the
-	 * ifconfig up ? Thanks... */
-
-	/* Stop receiving new messages and wait end of transmission */
-	wv_ru_stop(dev);
-
-	if (link->open)
-		netif_device_detach(dev);
-
-	/* Power down the module */
-	hacr_write(dev->base_addr, HACR_DEFAULT & (~HACR_PWR_STAT));
-
-	return 0;
-}
-
-static int wavelan_resume(struct pcmcia_device *link)
-{
-	struct net_device *	dev = (struct net_device *) link->priv;
-
-	if (link->open) {
-		wv_hw_reset(dev);
-		netif_device_attach(dev);
-	}
-
-	return 0;
-}
-
-
-static struct pcmcia_device_id wavelan_ids[] = {
-	PCMCIA_DEVICE_PROD_ID12("AT&T","WaveLAN/PCMCIA", 0xe7c5affd, 0x1bc50975),
-	PCMCIA_DEVICE_PROD_ID12("Digital", "RoamAbout/DS", 0x9999ab35, 0x00d05e06),
-	PCMCIA_DEVICE_PROD_ID12("Lucent Technologies", "WaveLAN/PCMCIA", 0x23eb9949, 0x1bc50975),
-	PCMCIA_DEVICE_PROD_ID12("NCR", "WaveLAN/PCMCIA", 0x24358cd4, 0x1bc50975),
-	PCMCIA_DEVICE_NULL,
-};
-MODULE_DEVICE_TABLE(pcmcia, wavelan_ids);
-
-static struct pcmcia_driver wavelan_driver = {
-	.owner		= THIS_MODULE,
-	.drv		= {
-		.name	= "wavelan_cs",
-	},
-	.probe		= wavelan_probe,
-	.remove		= wavelan_detach,
-	.id_table       = wavelan_ids,
-	.suspend	= wavelan_suspend,
-	.resume		= wavelan_resume,
-};
-
-static int __init
-init_wavelan_cs(void)
-{
-	return pcmcia_register_driver(&wavelan_driver);
-}
-
-static void __exit
-exit_wavelan_cs(void)
-{
-	pcmcia_unregister_driver(&wavelan_driver);
-}
-
-module_init(init_wavelan_cs);
-module_exit(exit_wavelan_cs);
diff --git a/drivers/staging/wavelan/wavelan_cs.h b/drivers/staging/wavelan/wavelan_cs.h
deleted file mode 100644
index 42e268dbae9..00000000000
--- a/drivers/staging/wavelan/wavelan_cs.h
+++ /dev/null
@@ -1,381 +0,0 @@
-/*
- *	Wavelan Pcmcia driver
- *
- *		Jean II - HPLB '96
- *
- * Reorganization and extension of the driver.
- * Original copyright follow. See wavelan_cs.h for details.
- *
- * This file contain the declarations of the Wavelan hardware. Note that
- * the Pcmcia Wavelan include a i82593 controller (see definitions in
- * file i82593.h).
- *
- * The main difference between the pcmcia hardware and the ISA one is
- * the Ethernet Controller (i82593 instead of i82586). The i82593 allow
- * only one send buffer. The PSA (Parameter Storage Area : EEprom for
- * permanent storage of various info) is memory mapped, but not the
- * MMI (Modem Management Interface).
- */
-
-/*
- * Definitions for the AT&T GIS (formerly NCR) WaveLAN PCMCIA card:
- *   An Ethernet-like radio transceiver controlled by an Intel 82593
- *   coprocessor.
- *
- *
- ****************************************************************************
- *   Copyright 1995
- *   Anthony D. Joseph
- *   Massachusetts Institute of Technology
- *
- *   Permission to use, copy, modify, and distribute this program
- *   for any purpose and without fee is hereby granted, provided
- *   that this copyright and permission notice appear on all copies
- *   and supporting documentation, the name of M.I.T. not be used
- *   in advertising or publicity pertaining to distribution of the
- *   program without specific prior permission, and notice be given
- *   in supporting documentation that copying and distribution is
- *   by permission of M.I.T.  M.I.T. makes no representations about
- *   the suitability of this software for any purpose.  It is pro-
- *   vided "as is" without express or implied warranty.
- ****************************************************************************
- *
- *
- * Credits:
- *     Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht for
- *       providing extremely useful information about WaveLAN PCMCIA hardware
- *
- *     This driver is based upon several other drivers, in particular:
- *       David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter
- *       Bruce Janson's Linux driver for the AT-bus WaveLAN adapter
- *	 Anders Klemets' PCMCIA WaveLAN adapter driver
- *       Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter
- */
-
-#ifndef _WAVELAN_CS_H
-#define	_WAVELAN_CS_H
-
-/************************** MAGIC NUMBERS ***************************/
-
-/* The detection of the wavelan card is made by reading the MAC address
- * from the card and checking it. If you have a non AT&T product (OEM,
- * like DEC RoamAbout, or Digital Ocean, Epson, ...), you must modify this
- * part to accommodate your hardware...
- */
-static const unsigned char	MAC_ADDRESSES[][3] = {
-  { 0x08, 0x00, 0x0E },		/* AT&T Wavelan (standard) & DEC RoamAbout */
-  { 0x08, 0x00, 0x6A },		/* AT&T Wavelan (alternate) */
-  { 0x00, 0x00, 0xE1 },		/* Hitachi Wavelan */
-  { 0x00, 0x60, 0x1D }		/* Lucent Wavelan (another one) */
-  /* Add your card here and send me the patch ! */
-};
-
-/*
- * Constants used to convert channels to frequencies
- */
-
-/* Frequency available in the 2.0 modem, in units of 250 kHz
- * (as read in the offset register of the dac area).
- * Used to map channel numbers used by `wfreqsel' to frequencies
- */
-static const short	channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
-				    0xD0, 0xF0, 0xF8, 0x150 };
-
-/* Frequencies of the 1.0 modem (fixed frequencies).
- * Use to map the PSA `subband' to a frequency
- * Note : all frequencies apart from the first one need to be multiplied by 10
- */
-static const int	fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
-
-
-/*************************** PC INTERFACE ****************************/
-
-/* WaveLAN host interface definitions */
-
-#define	LCCR(base)	(base)		/* LAN Controller Command Register */
-#define	LCSR(base)	(base)		/* LAN Controller Status Register */
-#define	HACR(base)	(base+0x1)	/* Host Adapter Command Register */
-#define	HASR(base)	(base+0x1)	/* Host Adapter Status Register */
-#define PIORL(base)	(base+0x2)	/* Program I/O Register Low */
-#define RPLL(base)	(base+0x2)	/* Receive Pointer Latched Low */
-#define PIORH(base)	(base+0x3)	/* Program I/O Register High */
-#define RPLH(base)	(base+0x3)	/* Receive Pointer Latched High */
-#define PIOP(base)	(base+0x4)	/* Program I/O Port */
-#define MMR(base)	(base+0x6)	/* MMI Address Register */
-#define MMD(base)	(base+0x7)	/* MMI Data Register */
-
-/* Host Adaptor Command Register bit definitions */
-
-#define HACR_LOF	  (1 << 3)	/* Lock Out Flag, toggle every 250ms */
-#define HACR_PWR_STAT	  (1 << 4)	/* Power State, 1=active, 0=sleep */
-#define HACR_TX_DMA_RESET (1 << 5)	/* Reset transmit DMA ptr on high */
-#define HACR_RX_DMA_RESET (1 << 6)	/* Reset receive DMA ptr on high */
-#define HACR_ROM_WEN	  (1 << 7)	/* EEPROM write enabled when true */
-
-#define HACR_RESET              (HACR_TX_DMA_RESET | HACR_RX_DMA_RESET)
-#define	HACR_DEFAULT		(HACR_PWR_STAT)
-
-/* Host Adapter Status Register bit definitions */
-
-#define HASR_MMI_BUSY	(1 << 2)	/* MMI is busy when true */
-#define HASR_LOF	(1 << 3)	/* Lock out flag status */
-#define HASR_NO_CLK	(1 << 4)	/* active when modem not connected */
-
-/* Miscellaneous bit definitions */
-
-#define PIORH_SEL_TX	(1 << 5)	/* PIOR points to 0=rx/1=tx buffer */
-#define MMR_MMI_WR	(1 << 0)	/* Next MMI cycle is 0=read, 1=write */
-#define PIORH_MASK	0x1f		/* only low 5 bits are significant */
-#define RPLH_MASK	0x1f		/* only low 5 bits are significant */
-#define MMI_ADDR_MASK	0x7e		/* Bits 1-6 of MMR are significant */
-
-/* Attribute Memory map */
-
-#define CIS_ADDR	0x0000		/* Card Information Status Register */
-#define PSA_ADDR	0x0e00		/* Parameter Storage Area address */
-#define EEPROM_ADDR	0x1000		/* EEPROM address (unused ?) */
-#define COR_ADDR	0x4000		/* Configuration Option Register */
-
-/* Configuration Option Register bit definitions */
-
-#define COR_CONFIG	(1 << 0)	/* Config Index, 0 when unconfigured */
-#define COR_SW_RESET	(1 << 7)	/* Software Reset on true */
-#define COR_LEVEL_IRQ	(1 << 6)	/* Level IRQ */
-
-/* Local Memory map */
-
-#define RX_BASE		0x0000		/* Receive memory, 8 kB */
-#define TX_BASE		0x2000		/* Transmit memory, 2 kB */
-#define UNUSED_BASE	0x2800		/* Unused, 22 kB */
-#define RX_SIZE		(TX_BASE-RX_BASE)	/* Size of receive area */
-#define RX_SIZE_SHIFT	6		/* Bits to shift in stop register */
-
-#define TRUE  1
-#define FALSE 0
-
-#define MOD_ENAL 1
-#define MOD_PROM 2
-
-/* Size of a MAC address */
-#define WAVELAN_ADDR_SIZE	6
-
-/* Maximum size of Wavelan packet */
-#define WAVELAN_MTU	1500
-
-#define	MAXDATAZ		(6 + 6 + 2 + WAVELAN_MTU)
-
-/********************** PARAMETER STORAGE AREA **********************/
-
-/*
- * Parameter Storage Area (PSA).
- */
-typedef struct psa_t	psa_t;
-struct psa_t {
-  /* For the PCMCIA Adapter, locations 0x00-0x0F are unused and fixed at 00 */
-  unsigned char	psa_io_base_addr_1;	/* [0x00] Base address 1 ??? */
-  unsigned char	psa_io_base_addr_2;	/* [0x01] Base address 2 */
-  unsigned char	psa_io_base_addr_3;	/* [0x02] Base address 3 */
-  unsigned char	psa_io_base_addr_4;	/* [0x03] Base address 4 */
-  unsigned char	psa_rem_boot_addr_1;	/* [0x04] Remote Boot Address 1 */
-  unsigned char	psa_rem_boot_addr_2;	/* [0x05] Remote Boot Address 2 */
-  unsigned char	psa_rem_boot_addr_3;	/* [0x06] Remote Boot Address 3 */
-  unsigned char	psa_holi_params;	/* [0x07] HOst Lan Interface (HOLI) Parameters */
-  unsigned char	psa_int_req_no;		/* [0x08] Interrupt Request Line */
-  unsigned char	psa_unused0[7];		/* [0x09-0x0F] unused */
-
-  unsigned char	psa_univ_mac_addr[WAVELAN_ADDR_SIZE];	/* [0x10-0x15] Universal (factory) MAC Address */
-  unsigned char	psa_local_mac_addr[WAVELAN_ADDR_SIZE];	/* [0x16-1B] Local MAC Address */
-  unsigned char	psa_univ_local_sel;	/* [0x1C] Universal Local Selection */
-#define		PSA_UNIVERSAL	0		/* Universal (factory) */
-#define		PSA_LOCAL	1		/* Local */
-  unsigned char	psa_comp_number;	/* [0x1D] Compatability Number: */
-#define		PSA_COMP_PC_AT_915	0	/* PC-AT 915 MHz	*/
-#define		PSA_COMP_PC_MC_915	1	/* PC-MC 915 MHz	*/
-#define		PSA_COMP_PC_AT_2400	2	/* PC-AT 2.4 GHz	*/
-#define		PSA_COMP_PC_MC_2400	3	/* PC-MC 2.4 GHz	*/
-#define		PSA_COMP_PCMCIA_915	4	/* PCMCIA 915 MHz or 2.0 */
-  unsigned char	psa_thr_pre_set;	/* [0x1E] Modem Threshold Preset */
-  unsigned char	psa_feature_select;	/* [0x1F] Call code required (1=on) */
-#define		PSA_FEATURE_CALL_CODE	0x01	/* Call code required (Japan) */
-  unsigned char	psa_subband;		/* [0x20] Subband	*/
-#define		PSA_SUBBAND_915		0	/* 915 MHz or 2.0 */
-#define		PSA_SUBBAND_2425	1	/* 2425 MHz	*/
-#define		PSA_SUBBAND_2460	2	/* 2460 MHz	*/
-#define		PSA_SUBBAND_2484	3	/* 2484 MHz	*/
-#define		PSA_SUBBAND_2430_5	4	/* 2430.5 MHz	*/
-  unsigned char	psa_quality_thr;	/* [0x21] Modem Quality Threshold */
-  unsigned char	psa_mod_delay;		/* [0x22] Modem Delay ??? (reserved) */
-  unsigned char	psa_nwid[2];		/* [0x23-0x24] Network ID */
-  unsigned char	psa_nwid_select;	/* [0x25] Network ID Select On Off */
-  unsigned char	psa_encryption_select;	/* [0x26] Encryption On Off */
-  unsigned char	psa_encryption_key[8];	/* [0x27-0x2E] Encryption Key */
-  unsigned char	psa_databus_width;	/* [0x2F] AT bus width select 8/16 */
-  unsigned char	psa_call_code[8];	/* [0x30-0x37] (Japan) Call Code */
-  unsigned char	psa_nwid_prefix[2];	/* [0x38-0x39] Roaming domain */
-  unsigned char	psa_reserved[2];	/* [0x3A-0x3B] Reserved - fixed 00 */
-  unsigned char	psa_conf_status;	/* [0x3C] Conf Status, bit 0=1:config*/
-  unsigned char	psa_crc[2];		/* [0x3D] CRC-16 over PSA */
-  unsigned char	psa_crc_status;		/* [0x3F] CRC Valid Flag */
-};
-
-/* Size for structure checking (if padding is correct) */
-#define	PSA_SIZE	64
-
-/* Calculate offset of a field in the above structure
- * Warning : only even addresses are used */
-#define	psaoff(p, f)	((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
-
-/******************** MODEM MANAGEMENT INTERFACE ********************/
-
-/*
- * Modem Management Controller (MMC) write structure.
- */
-typedef struct mmw_t	mmw_t;
-struct mmw_t {
-  unsigned char	mmw_encr_key[8];	/* encryption key */
-  unsigned char	mmw_encr_enable;	/* enable/disable encryption */
-#define	MMW_ENCR_ENABLE_MODE	0x02	/* Mode of security option */
-#define	MMW_ENCR_ENABLE_EN	0x01	/* Enable security option */
-  unsigned char	mmw_unused0[1];		/* unused */
-  unsigned char	mmw_des_io_invert;	/* Encryption option */
-#define	MMW_DES_IO_INVERT_RES	0x0F	/* Reserved */
-#define	MMW_DES_IO_INVERT_CTRL	0xF0	/* Control ??? (set to 0) */
-  unsigned char	mmw_unused1[5];		/* unused */
-  unsigned char	mmw_loopt_sel;		/* looptest selection */
-#define	MMW_LOOPT_SEL_DIS_NWID	0x40	/* disable NWID filtering */
-#define	MMW_LOOPT_SEL_INT	0x20	/* activate Attention Request */
-#define	MMW_LOOPT_SEL_LS	0x10	/* looptest w/o collision avoidance */
-#define MMW_LOOPT_SEL_LT3A	0x08	/* looptest 3a */
-#define	MMW_LOOPT_SEL_LT3B	0x04	/* looptest 3b */
-#define	MMW_LOOPT_SEL_LT3C	0x02	/* looptest 3c */
-#define	MMW_LOOPT_SEL_LT3D	0x01	/* looptest 3d */
-  unsigned char	mmw_jabber_enable;	/* jabber timer enable */
-  /* Abort transmissions > 200 ms */
-  unsigned char	mmw_freeze;		/* freeze / unfreeeze signal level */
-  /* 0 : signal level & qual updated for every new message, 1 : frozen */
-  unsigned char	mmw_anten_sel;		/* antenna selection */
-#define MMW_ANTEN_SEL_SEL	0x01	/* direct antenna selection */
-#define	MMW_ANTEN_SEL_ALG_EN	0x02	/* antenna selection algo. enable */
-  unsigned char	mmw_ifs;		/* inter frame spacing */
-  /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
-  unsigned char	mmw_mod_delay;	 	/* modem delay (synchro) */
-  unsigned char	mmw_jam_time;		/* jamming time (after collision) */
-  unsigned char	mmw_unused2[1];		/* unused */
-  unsigned char	mmw_thr_pre_set;	/* level threshold preset */
-  /* Discard all packet with signal < this value (4) */
-  unsigned char	mmw_decay_prm;		/* decay parameters */
-  unsigned char	mmw_decay_updat_prm;	/* decay update parameterz */
-  unsigned char	mmw_quality_thr;	/* quality (z-quotient) threshold */
-  /* Discard all packet with quality < this value (3) */
-  unsigned char	mmw_netw_id_l;		/* NWID low order byte */
-  unsigned char	mmw_netw_id_h;		/* NWID high order byte */
-  /* Network ID or Domain : create virtual net on the air */
-
-  /* 2.0 Hardware extension - frequency selection support */
-  unsigned char	mmw_mode_select;	/* for analog tests (set to 0) */
-  unsigned char	mmw_unused3[1];		/* unused */
-  unsigned char	mmw_fee_ctrl;		/* frequency eeprom control */
-#define	MMW_FEE_CTRL_PRE	0x10	/* Enable protected instructions */
-#define	MMW_FEE_CTRL_DWLD	0x08	/* Download eeprom to mmc */
-#define	MMW_FEE_CTRL_CMD	0x07	/* EEprom commands : */
-#define	MMW_FEE_CTRL_READ	0x06	/* Read */
-#define	MMW_FEE_CTRL_WREN	0x04	/* Write enable */
-#define	MMW_FEE_CTRL_WRITE	0x05	/* Write data to address */
-#define	MMW_FEE_CTRL_WRALL	0x04	/* Write data to all addresses */
-#define	MMW_FEE_CTRL_WDS	0x04	/* Write disable */
-#define	MMW_FEE_CTRL_PRREAD	0x16	/* Read addr from protect register */
-#define	MMW_FEE_CTRL_PREN	0x14	/* Protect register enable */
-#define	MMW_FEE_CTRL_PRCLEAR	0x17	/* Unprotect all registers */
-#define	MMW_FEE_CTRL_PRWRITE	0x15	/* Write addr in protect register */
-#define	MMW_FEE_CTRL_PRDS	0x14	/* Protect register disable */
-  /* Never issue this command (PRDS) : it's irreversible !!! */
-
-  unsigned char	mmw_fee_addr;		/* EEprom address */
-#define	MMW_FEE_ADDR_CHANNEL	0xF0	/* Select the channel */
-#define	MMW_FEE_ADDR_OFFSET	0x0F	/* Offset in channel data */
-#define	MMW_FEE_ADDR_EN		0xC0	/* FEE_CTRL enable operations */
-#define	MMW_FEE_ADDR_DS		0x00	/* FEE_CTRL disable operations */
-#define	MMW_FEE_ADDR_ALL	0x40	/* FEE_CTRL all operations */
-#define	MMW_FEE_ADDR_CLEAR	0xFF	/* FEE_CTRL clear operations */
-
-  unsigned char	mmw_fee_data_l;		/* Write data to EEprom */
-  unsigned char	mmw_fee_data_h;		/* high octet */
-  unsigned char	mmw_ext_ant;		/* Setting for external antenna */
-#define	MMW_EXT_ANT_EXTANT	0x01	/* Select external antenna */
-#define	MMW_EXT_ANT_POL		0x02	/* Polarity of the antenna */
-#define	MMW_EXT_ANT_INTERNAL	0x00	/* Internal antenna */
-#define	MMW_EXT_ANT_EXTERNAL	0x03	/* External antenna */
-#define	MMW_EXT_ANT_IQ_TEST	0x1C	/* IQ test pattern (set to 0) */
-} __attribute__((packed));
-
-/* Size for structure checking (if padding is correct) */
-#define	MMW_SIZE	37
-
-/* Calculate offset of a field in the above structure */
-#define	mmwoff(p, f) 	(unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
-
-
-/*
- * Modem Management Controller (MMC) read structure.
- */
-typedef struct mmr_t	mmr_t;
-struct mmr_t {
-  unsigned char	mmr_unused0[8];		/* unused */
-  unsigned char	mmr_des_status;		/* encryption status */
-  unsigned char	mmr_des_avail;		/* encryption available (0x55 read) */
-#define	MMR_DES_AVAIL_DES	0x55		/* DES available */
-#define	MMR_DES_AVAIL_AES	0x33		/* AES (AT&T) available */
-  unsigned char	mmr_des_io_invert;	/* des I/O invert register */
-  unsigned char	mmr_unused1[5];		/* unused */
-  unsigned char	mmr_dce_status;		/* DCE status */
-#define	MMR_DCE_STATUS_RX_BUSY		0x01	/* receiver busy */
-#define	MMR_DCE_STATUS_LOOPT_IND	0x02	/* loop test indicated */
-#define	MMR_DCE_STATUS_TX_BUSY		0x04	/* transmitter on */
-#define	MMR_DCE_STATUS_JBR_EXPIRED	0x08	/* jabber timer expired */
-#define MMR_DCE_STATUS			0x0F	/* mask to get the bits */
-  unsigned char	mmr_dsp_id;		/* DSP id (AA = Daedalus rev A) */
-  unsigned char	mmr_unused2[2];		/* unused */
-  unsigned char	mmr_correct_nwid_l;	/* # of correct NWID's rxd (low) */
-  unsigned char	mmr_correct_nwid_h;	/* # of correct NWID's rxd (high) */
-  /* Warning : Read high order octet first !!! */
-  unsigned char	mmr_wrong_nwid_l;	/* # of wrong NWID's rxd (low) */
-  unsigned char	mmr_wrong_nwid_h;	/* # of wrong NWID's rxd (high) */
-  unsigned char	mmr_thr_pre_set;	/* level threshold preset */
-#define	MMR_THR_PRE_SET		0x3F		/* level threshold preset */
-#define	MMR_THR_PRE_SET_CUR	0x80		/* Current signal above it */
-  unsigned char	mmr_signal_lvl;		/* signal level */
-#define	MMR_SIGNAL_LVL		0x3F		/* signal level */
-#define	MMR_SIGNAL_LVL_VALID	0x80		/* Updated since last read */
-  unsigned char	mmr_silence_lvl;	/* silence level (noise) */
-#define	MMR_SILENCE_LVL		0x3F		/* silence level */
-#define	MMR_SILENCE_LVL_VALID	0x80		/* Updated since last read */
-  unsigned char	mmr_sgnl_qual;		/* signal quality */
-#define	MMR_SGNL_QUAL		0x0F		/* signal quality */
-#define	MMR_SGNL_QUAL_ANT	0x80		/* current antenna used */
-  unsigned char	mmr_netw_id_l;		/* NWID low order byte ??? */
-  unsigned char	mmr_unused3[3];		/* unused */
-
-  /* 2.0 Hardware extension - frequency selection support */
-  unsigned char	mmr_fee_status;		/* Status of frequency eeprom */
-#define	MMR_FEE_STATUS_ID	0xF0		/* Modem revision id */
-#define	MMR_FEE_STATUS_DWLD	0x08		/* Download in progress */
-#define	MMR_FEE_STATUS_BUSY	0x04		/* EEprom busy */
-  unsigned char	mmr_unused4[1];		/* unused */
-  unsigned char	mmr_fee_data_l;		/* Read data from eeprom (low) */
-  unsigned char	mmr_fee_data_h;		/* Read data from eeprom (high) */
-};
-
-/* Size for structure checking (if padding is correct) */
-#define	MMR_SIZE	36
-
-/* Calculate offset of a field in the above structure */
-#define	mmroff(p, f) 	(unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
-
-
-/* Make the two above structures one */
-typedef union mm_t {
-  struct mmw_t	w;	/* Write to the mmc */
-  struct mmr_t	r;	/* Read from the mmc */
-} mm_t;
-
-#endif /* _WAVELAN_CS_H */
diff --git a/drivers/staging/wavelan/wavelan_cs.p.h b/drivers/staging/wavelan/wavelan_cs.p.h
deleted file mode 100644
index 7196267976f..00000000000
--- a/drivers/staging/wavelan/wavelan_cs.p.h
+++ /dev/null
@@ -1,762 +0,0 @@
-/*
- *	Wavelan Pcmcia driver
- *
- *		Jean II - HPLB '96
- *
- * Reorganisation and extension of the driver.
- *
- * This file contain all definition and declarations necessary for the
- * wavelan pcmcia driver. This file is a private header, so it should
- * be included only on wavelan_cs.c !!!
- */
-
-#ifndef WAVELAN_CS_P_H
-#define WAVELAN_CS_P_H
-
-/************************** DOCUMENTATION **************************/
-/*
- * This driver provide a Linux interface to the Wavelan Pcmcia hardware
- * The Wavelan is a product of Lucent (http://www.wavelan.com/).
- * This division was formerly part of NCR and then AT&T.
- * Wavelan are also distributed by DEC (RoamAbout DS)...
- *
- * To know how to use this driver, read the PCMCIA HOWTO.
- * If you want to exploit the many other fonctionalities, look comments
- * in the code...
- *
- * This driver is the result of the effort of many peoples (see below).
- */
-
-/* ------------------------ SPECIFIC NOTES ------------------------ */
-/*
- * Web page
- * --------
- *	I try to maintain a web page with the Wireless LAN Howto at :
- *	    http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html
- *
- * SMP
- * ---
- *	We now are SMP compliant (I eventually fixed the remaining bugs).
- *	The driver has been tested on a dual P6-150 and survived my usual
- *	set of torture tests.
- *	Anyway, I spent enough time chasing interrupt re-entrancy during
- *	errors or reconfigure, and I designed the locked/unlocked sections
- *	of the driver with great care, and with the recent addition of
- *	the spinlock (thanks to the new API), we should be quite close to
- *	the truth.
- *	The SMP/IRQ locking is quite coarse and conservative (i.e. not fast),
- *	but better safe than sorry (especially at 2 Mb/s ;-).
- *
- *	I have also looked into disabling only our interrupt on the card
- *	(via HACR) instead of all interrupts in the processor (via cli),
- *	so that other driver are not impacted, and it look like it's
- *	possible, but it's very tricky to do right (full of races). As
- *	the gain would be mostly for SMP systems, it can wait...
- *
- * Debugging and options
- * ---------------------
- *	You will find below a set of '#define" allowing a very fine control
- *	on the driver behaviour and the debug messages printed.
- *	The main options are :
- *	o WAVELAN_ROAMING, for the experimental roaming support.
- *	o SET_PSA_CRC, to have your card correctly recognised by
- *	  an access point and the Point-to-Point diagnostic tool.
- *	o USE_PSA_CONFIG, to read configuration from the PSA (EEprom)
- *	  (otherwise we always start afresh with some defaults)
- *
- * wavelan_cs.o is darn too big
- * -------------------------
- *	That's true ! There is a very simple way to reduce the driver
- *	object by 33% (yes !). Comment out the following line :
- *		#include <linux/wireless.h>
- *	Other compile options can also reduce the size of it...
- *
- * MAC address and hardware detection :
- * ----------------------------------
- *	The detection code of the wavelan chech that the first 3
- *	octets of the MAC address fit the company code. This type of
- *	detection work well for AT&T cards (because the AT&T code is
- *	hardcoded in wavelan_cs.h), but of course will fail for other
- *	manufacturer.
- *
- *	If you are sure that your card is derived from the wavelan,
- *	here is the way to configure it :
- *	1) Get your MAC address
- *		a) With your card utilities (wfreqsel, instconf, ...)
- *		b) With the driver :
- *			o compile the kernel with DEBUG_CONFIG_INFO enabled
- *			o Boot and look the card messages
- *	2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan_cs.h)
- *	3) Compile & verify
- *	4) Send me the MAC code - I will include it in the next version...
- *
- */
-
-/* --------------------- WIRELESS EXTENSIONS --------------------- */
-/*
- * This driver is the first one to support "wireless extensions".
- * This set of extensions provide you some way to control the wireless
- * caracteristics of the hardware in a standard way and support for
- * applications for taking advantage of it (like Mobile IP).
- *
- * It might be a good idea as well to fetch the wireless tools to
- * configure the device and play a bit.
- */
-
-/* ---------------------------- FILES ---------------------------- */
-/*
- * wavelan_cs.c :	The actual code for the driver - C functions
- *
- * wavelan_cs.p.h :	Private header : local types / vars for the driver
- *
- * wavelan_cs.h :	Description of the hardware interface & structs
- *
- * i82593.h :		Description if the Ethernet controller
- */
-
-/* --------------------------- HISTORY --------------------------- */
-/*
- * The history of the Wavelan drivers is as complicated as history of
- * the Wavelan itself (NCR -> AT&T -> Lucent).
- *
- * All started with Anders Klemets <klemets@paul.rutgers.edu>,
- * writing a Wavelan ISA driver for the MACH microkernel. Girish
- * Welling <welling@paul.rutgers.edu> had also worked on it.
- * Keith Moore modify this for the Pcmcia hardware.
- *
- * Robert Morris <rtm@das.harvard.edu> port these two drivers to BSDI
- * and add specific Pcmcia support (there is currently no equivalent
- * of the PCMCIA package under BSD...).
- *
- * Jim Binkley <jrb@cs.pdx.edu> port both BSDI drivers to FreeBSD.
- *
- * Bruce Janson <bruce@cs.usyd.edu.au> port the BSDI ISA driver to Linux.
- *
- * Anthony D. Joseph <adj@lcs.mit.edu> started modify Bruce driver
- * (with help of the BSDI PCMCIA driver) for PCMCIA.
- * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished is work.
- * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start
- * correctly 2.00 cards (2.4 GHz with frequency selection).
- * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his
- * Pcmcia package (+ bug corrections).
- *
- * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some
- * patchs to the Pcmcia driver. After, I added code in the ISA driver
- * for Wireless Extensions and full support of frequency selection
- * cards. Now, I'm doing the same to the Pcmcia driver + some
- * reorganisation.
- * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me
- * much needed informations on the Wavelan hardware.
- */
-
-/* By the way : for the copyright & legal stuff :
- * Almost everybody wrote code under GNU or BSD license (or alike),
- * and want that their original copyright remain somewhere in the
- * code (for myself, I go with the GPL).
- * Nobody want to take responsibility for anything, except the fame...
- */
-
-/* --------------------------- CREDITS --------------------------- */
-/*
- * Credits:
- *    Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht and
- *	Loeke Brederveld of Lucent for providing extremely useful
- *	information about WaveLAN PCMCIA hardware
- *
- *    This driver is based upon several other drivers, in particular:
- *	David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter
- *	Bruce Janson's Linux driver for the AT-bus WaveLAN adapter
- *	Anders Klemets' PCMCIA WaveLAN adapter driver
- *	Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter
- *
- * Additional Credits:
- *
- *    This software was originally developed under Linux 1.2.3
- *	(Slackware 2.0 distribution).
- *    And then under Linux 2.0.x (Debian 1.1 -> 2.2 - pcmcia 2.8.18+)
- *	with an HP OmniBook 4000 and then a 5500.
- *
- *    It is based on other device drivers and information either written
- *    or supplied by:
- *	James Ashton (jaa101@syseng.anu.edu.au),
- *	Ajay Bakre (bakre@paul.rutgers.edu),
- *	Donald Becker (becker@super.org),
- *	Jim Binkley <jrb@cs.pdx.edu>,
- *	Loeke Brederveld <lbrederv@wavelan.com>,
- *	Allan Creighton (allanc@cs.su.oz.au),
- *	Brent Elphick <belphick@uwaterloo.ca>,
- *	Joe Finney <joe@comp.lancs.ac.uk>,
- *	Matthew Geier (matthew@cs.su.oz.au),
- *	Remo di Giovanni (remo@cs.su.oz.au),
- *	Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM),
- *	David Hinds <dahinds@users.sourceforge.net>,
- *	Jan Hoogendoorn (c/o marteijn@lucent.com),
- *      Bruce Janson <bruce@cs.usyd.edu.au>,
- *	Anthony D. Joseph <adj@lcs.mit.edu>,
- *	Anders Klemets (klemets@paul.rutgers.edu),
- *	Yunzhou Li <yunzhou@strat.iol.unh.edu>,
- *	Marc Meertens (mmeertens@lucent.com),
- *	Keith Moore,
- *	Robert Morris (rtm@das.harvard.edu),
- *	Ian Parkin (ian@cs.su.oz.au),
- *	John Rosenberg (johnr@cs.su.oz.au),
- *	George Rossi (george@phm.gov.au),
- *	Arthur Scott (arthur@cs.su.oz.au),
- *	Stanislav Sinyagin <stas@isf.ru>
- *	Peter Storey,
- *	Jean Tourrilhes <jt@hpl.hp.com>,
- *	Girish Welling (welling@paul.rutgers.edu)
- *	Clark Woodworth <clark@hiway1.exit109.com>
- *	Yongguang Zhang <ygz@isl.hrl.hac.com>...
- */
-
-/* ------------------------- IMPROVEMENTS ------------------------- */
-/*
- * I proudly present :
- *
- * Changes made in 2.8.22 :
- * ----------------------
- *	- improved wv_set_multicast_list
- *	- catch spurious interrupt
- *	- correct release of the device
- *
- * Changes mades in release :
- * ------------------------
- *	- Reorganisation of the code, function name change
- *	- Creation of private header (wavelan_cs.h)
- *	- Reorganised debug messages
- *	- More comments, history, ...
- *	- Configure earlier (in "insert" instead of "open")
- *        and do things only once
- *	- mmc_init : configure the PSA if not done
- *	- mmc_init : 2.00 detection better code for 2.00 init
- *	- better info at startup
- *	- Correct a HUGE bug (volatile & uncalibrated busy loop)
- *	  in wv_82593_cmd => config speedup
- *	- Stop receiving & power down on close (and power up on open)
- *	  use "ifconfig down" & "ifconfig up ; route add -net ..."
- *	- Send packets : add watchdog instead of pooling
- *	- Receive : check frame wrap around & try to recover some frames
- *	- wavelan_set_multicast_list : avoid reset
- *	- add wireless extensions (ioctl & get_wireless_stats)
- *	  get/set nwid/frequency on fly, info for /proc/net/wireless
- *	- Suppress useless stuff from lp (net_local), but add link
- *	- More inlines
- *	- Lot of others minor details & cleanups
- *
- * Changes made in second release :
- * ------------------------------
- *	- Optimise wv_85893_reconfig stuff, fix potential problems
- *	- Change error values for ioctl
- *	- Non blocking wv_ru_stop() + call wv_reset() in case of problems
- *	- Remove development printk from wavelan_watchdog()
- *	- Remove of the watchdog to wavelan_close instead of wavelan_release
- *	  fix potential problems...
- *	- Start debugging suspend stuff (but it's still a bit weird)
- *	- Debug & optimize dump header/packet in Rx & Tx (debug)
- *	- Use "readb" and "writeb" to be kernel 2.1 compliant
- *	- Better handling of bogus interrupts
- *	- Wireless extension : SETSPY and GETSPY
- *	- Remove old stuff (stats - for those needing it, just ask me...)
- *	- Make wireless extensions optional
- *
- * Changes made in third release :
- * -----------------------------
- *	- cleanups & typos
- *	- modif wireless ext (spy -> only one pointer)
- *	- new private ioctl to set/get quality & level threshold
- *	- Init : correct default value of level threshold for pcmcia
- *	- kill watchdog in hw_reset
- *	- more 2.1 support (copy_to/from_user instead of memcpy_to/fromfs)
- *	- Add message level (debug stuff in /var/adm/debug & errors not
- *	  displayed at console and still in /var/adm/messages)
- *
- * Changes made in fourth release :
- * ------------------------------
- *	- multicast support (yes !) thanks to Yongguang Zhang.
- *
- * Changes made in fifth release (2.9.0) :
- * -------------------------------------
- *	- Revisited multicast code (it was mostly wrong).
- *	- protect code in wv_82593_reconfig with dev->tbusy (oups !)
- *
- * Changes made in sixth release (2.9.1a) :
- * --------------------------------------
- *	- Change the detection code for multi manufacturer code support
- *	- Correct bug (hang kernel) in init when we were "rejecting" a card
- *
- * Changes made in seventh release (2.9.1b) :
- * ----------------------------------------
- *	- Update to wireless extensions changes
- *	- Silly bug in card initial configuration (psa_conf_status)
- *
- * Changes made in eigth release :
- * -----------------------------
- *	- Small bug in debug code (probably not the last one...)
- *	- 1.2.13 support (thanks to Clark Woodworth)
- *
- * Changes made for release in 2.9.2b :
- * ----------------------------------
- *	- Level threshold is now a standard wireless extension (version 4 !)
- *	- modules parameters types for kernel > 2.1.17
- *	- updated man page
- *	- Others cleanup from David Hinds
- *
- * Changes made for release in 2.9.5 :
- * ---------------------------------
- *	- byte count stats (courtesy of David Hinds)
- *	- Remove dev_tint stuff (courtesy of David Hinds)
- *	- Others cleanup from David Hinds
- *	- Encryption setting from Brent Elphick (thanks a lot !)
- *	- 'base' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin)
- *
- * Changes made for release in 2.9.6 :
- * ---------------------------------
- *	- fix bug : no longuer disable watchdog in case of bogus interrupt
- *	- increase timeout in config code for picky hardware
- *	- mask unused bits in status (Wireless Extensions)
- *
- * Changes integrated by Justin Seger <jseger@MIT.EDU> & David Hinds :
- * -----------------------------------------------------------------
- *	- Roaming "hack" from Joe Finney <joe@comp.lancs.ac.uk>
- *	- PSA CRC code from Bob Gray <rgray@bald.cs.dartmouth.edu>
- *	- Better initialisation of the i82593 controller
- *	  from Joseph K. O'Sullivan <josullvn+@cs.cmu.edu>
- *
- * Changes made for release in 3.0.10 :
- * ----------------------------------
- *	- Fix eject "hang" of the driver under 2.2.X :
- *		o create wv_flush_stale_links()
- *		o Rename wavelan_release to wv_pcmcia_release & move up
- *		o move unregister_netdev to wavelan_detach()
- *		o wavelan_release() no longer call wavelan_detach()
- *		o Suppress "release" timer
- *		o Other cleanups & fixes
- *	- New MAC address in the probe
- *	- Reorg PSA_CRC code (endian neutral & cleaner)
- *	- Correct initialisation of the i82593 from Lucent manual
- *	- Put back the watchdog, with larger timeout
- *	- TRANSMIT_NO_CRC is a "normal" error, so recover from it
- *	  from Derrick J Brashear <shadow@dementia.org>
- *	- Better handling of TX and RX normal failure conditions
- *	- #ifdef out all the roaming code
- *	- Add ESSID & "AP current address" ioctl stubs
- *	- General cleanup of the code
- *
- * Changes made for release in 3.0.13 :
- * ----------------------------------
- *	- Re-enable compilation of roaming code by default, but with
- *	  do_roaming = 0
- *	- Nuke `nwid=nwid^ntohs(beacon->domain_id)' in wl_roam_gather
- *	  at the demand of John Carol Langford <jcl@gs176.sp.cs.cmu.edu>
- *	- Introduced WAVELAN_ROAMING_EXT for incomplete ESSID stuff.
- *
- * Changes made for release in 3.0.15 :
- * ----------------------------------
- *	- Change e-mail and web page addresses
- *	- Watchdog timer is now correctly expressed in HZ, not in jiffies
- *	- Add channel number to the list of frequencies in range
- *	- Add the (short) list of bit-rates in range
- *	- Developp a new sensitivity... (sens.value & sens.fixed)
- *
- * Changes made for release in 3.1.2 :
- * ---------------------------------
- *	- Fix check for root permission (break instead of exit)
- *	- New nwid & encoding setting (Wireless Extension 9)
- *
- * Changes made for release in 3.1.12 :
- * ----------------------------------
- *	- reworked wv_82593_cmd to avoid using the IRQ handler and doing
- *	  ugly things with interrupts.
- *	- Add IRQ protection in 82593_config/ru_start/ru_stop/watchdog
- *	- Update to new network API (softnet - 2.3.43) :
- *		o replace dev->tbusy (David + me)
- *		o replace dev->tstart (David + me)
- *		o remove dev->interrupt (David)
- *		o add SMP locking via spinlock in splxx (me)
- *		o add spinlock in interrupt handler (me)
- *		o use kernel watchdog instead of ours (me)
- *		o verify that all the changes make sense and work (me)
- *	- Re-sync kernel/pcmcia versions (not much actually)
- *	- A few other cleanups (David & me)...
- *
- * Changes made for release in 3.1.22 :
- * ----------------------------------
- *	- Check that SMP works, remove annoying log message
- *
- * Changes made for release in 3.1.24 :
- * ----------------------------------
- *	- Fix unfrequent card lockup when watchdog was reseting the hardware :
- *		o control first busy loop in wv_82593_cmd()
- *		o Extend spinlock protection in wv_hw_config()
- *
- * Changes made for release in 3.1.33 :
- * ----------------------------------
- *	- Optional use new driver API for Wireless Extensions :
- *		o got rid of wavelan_ioctl()
- *		o use a bunch of iw_handler instead
- *
- * Changes made for release in 3.2.1 :
- * ---------------------------------
- *	- Set dev->trans_start to avoid filling the logs
- *		(and generating useless abort commands)
- *	- Avoid deadlocks in mmc_out()/mmc_in()
- *
- * Wishes & dreams:
- * ----------------
- *	- Cleanup and integrate the roaming code
- *	  (std debug, set DomainID, decay avg and co...)
- */
-
-/***************************** INCLUDES *****************************/
-
-/* Linux headers that we need */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/in.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/system.h>
-
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/ioport.h>
-#include <linux/fcntl.h>
-#include <linux/ethtool.h>
-#include <linux/wireless.h>		/* Wireless extensions */
-#include <net/iw_handler.h>		/* New driver API */
-
-/* Pcmcia headers that we need */
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
-#include <pcmcia/cistpl.h>
-#include <pcmcia/cisreg.h>
-#include <pcmcia/ds.h>
-
-/* Wavelan declarations */
-#include <linux/i82593.h>	/* Definitions for the Intel chip */
-
-#include "wavelan_cs.h"	/* Others bits of the hardware */
-
-/************************** DRIVER OPTIONS **************************/
-/*
- * `#define' or `#undef' the following constant to change the behaviour
- * of the driver...
- */
-#define WAVELAN_ROAMING		/* Include experimental roaming code */
-#undef WAVELAN_ROAMING_EXT	/* Enable roaming wireless extensions */
-#undef SET_PSA_CRC		/* Set the CRC in PSA (slower) */
-#define USE_PSA_CONFIG		/* Use info from the PSA */
-#undef EEPROM_IS_PROTECTED	/* Doesn't seem to be necessary */
-#define MULTICAST_AVOID		/* Avoid extra multicast (I'm sceptical) */
-#undef SET_MAC_ADDRESS		/* Experimental */
-
-/* Warning : these stuff will slow down the driver... */
-#define WIRELESS_SPY		/* Enable spying addresses */
-#undef HISTOGRAM		/* Enable histogram of sig level... */
-
-/****************************** DEBUG ******************************/
-
-#undef DEBUG_MODULE_TRACE	/* Module insertion/removal */
-#undef DEBUG_CALLBACK_TRACE	/* Calls made by Linux */
-#undef DEBUG_INTERRUPT_TRACE	/* Calls to handler */
-#undef DEBUG_INTERRUPT_INFO	/* type of interrupt & so on */
-#define DEBUG_INTERRUPT_ERROR	/* problems */
-#undef DEBUG_CONFIG_TRACE	/* Trace the config functions */
-#undef DEBUG_CONFIG_INFO	/* What's going on... */
-#define DEBUG_CONFIG_ERRORS	/* Errors on configuration */
-#undef DEBUG_TX_TRACE		/* Transmission calls */
-#undef DEBUG_TX_INFO		/* Header of the transmitted packet */
-#undef DEBUG_TX_FAIL		/* Normal failure conditions */
-#define DEBUG_TX_ERROR		/* Unexpected conditions */
-#undef DEBUG_RX_TRACE		/* Transmission calls */
-#undef DEBUG_RX_INFO		/* Header of the transmitted packet */
-#undef DEBUG_RX_FAIL		/* Normal failure conditions */
-#define DEBUG_RX_ERROR		/* Unexpected conditions */
-#undef DEBUG_PACKET_DUMP	/* Dump packet on the screen */
-#undef DEBUG_IOCTL_TRACE	/* Misc call by Linux */
-#undef DEBUG_IOCTL_INFO		/* Various debug info */
-#define DEBUG_IOCTL_ERROR	/* What's going wrong */
-#define DEBUG_BASIC_SHOW	/* Show basic startup info */
-#undef DEBUG_VERSION_SHOW	/* Print version info */
-#undef DEBUG_PSA_SHOW		/* Dump psa to screen */
-#undef DEBUG_MMC_SHOW		/* Dump mmc to screen */
-#undef DEBUG_SHOW_UNUSED	/* Show also unused fields */
-#undef DEBUG_I82593_SHOW	/* Show i82593 status */
-#undef DEBUG_DEVICE_SHOW	/* Show device parameters */
-
-/************************ CONSTANTS & MACROS ************************/
-
-#ifdef DEBUG_VERSION_SHOW
-static const char *version = "wavelan_cs.c : v24 (SMP + wireless extensions) 11/1/02\n";
-#endif
-
-/* Watchdog temporisation */
-#define	WATCHDOG_JIFFIES	(256*HZ/100)
-
-/* Fix a bug in some old wireless extension definitions */
-#ifndef IW_ESSID_MAX_SIZE
-#define IW_ESSID_MAX_SIZE	32
-#endif
-
-/* ------------------------ PRIVATE IOCTL ------------------------ */
-
-#define SIOCSIPQTHR	SIOCIWFIRSTPRIV		/* Set quality threshold */
-#define SIOCGIPQTHR	(SIOCIWFIRSTPRIV + 1)	/* Get quality threshold */
-#define SIOCSIPROAM     (SIOCIWFIRSTPRIV + 2)	/* Set roaming state */
-#define SIOCGIPROAM     (SIOCIWFIRSTPRIV + 3)	/* Get roaming state */
-
-#define SIOCSIPHISTO	(SIOCIWFIRSTPRIV + 4)	/* Set histogram ranges */
-#define SIOCGIPHISTO	(SIOCIWFIRSTPRIV + 5)	/* Get histogram values */
-
-/*************************** WaveLAN Roaming  **************************/
-#ifdef WAVELAN_ROAMING		/* Conditional compile, see above in options */
-
-#define WAVELAN_ROAMING_DEBUG	 0	/* 1 = Trace of handover decisions */
-					/* 2 = Info on each beacon rcvd... */
-#define MAX_WAVEPOINTS		7	/* Max visible at one time */
-#define WAVEPOINT_HISTORY	5	/* SNR sample history slow search */
-#define WAVEPOINT_FAST_HISTORY	2	/* SNR sample history fast search */
-#define SEARCH_THRESH_LOW	10	/* SNR to enter cell search */
-#define SEARCH_THRESH_HIGH	13	/* SNR to leave cell search */
-#define WAVELAN_ROAMING_DELTA	1	/* Hysteresis value (+/- SNR) */
-#define CELL_TIMEOUT		(2*HZ)	/* in jiffies */
-
-#define FAST_CELL_SEARCH	1	/* Boolean values... */
-#define NWID_PROMISC		1	/* for code clarity. */
-
-typedef struct wavepoint_beacon {
-  unsigned char		dsap,		/* Unused */
-			ssap,		/* Unused */
-			ctrl,		/* Unused */
-			O, U, I,		/* Unused */
-			spec_id1,	/* Unused */
-			spec_id2,	/* Unused */
-			pdu_type,	/* Unused */
-			seq;		/* WavePoint beacon sequence number */
-  __be16		domain_id,	/* WavePoint Domain ID */
-			nwid;		/* WavePoint NWID */
-} wavepoint_beacon;
-
-typedef struct wavepoint_history {
-  unsigned short	nwid;		/* WavePoint's NWID */
-  int			average_slow;	/* SNR running average */
-  int			average_fast;	/* SNR running average */
-  unsigned char	  sigqual[WAVEPOINT_HISTORY]; /* Ringbuffer of recent SNR's */
-  unsigned char		qualptr;	/* Index into ringbuffer */
-  unsigned char		last_seq;	/* Last seq. no seen for WavePoint */
-  struct wavepoint_history *next;	/* Next WavePoint in table */
-  struct wavepoint_history *prev;	/* Previous WavePoint in table */
-  unsigned long		last_seen;	/* Time of last beacon recvd, jiffies */
-} wavepoint_history;
-
-struct wavepoint_table {
-  wavepoint_history	*head;		/* Start of ringbuffer */
-  int			num_wavepoints;	/* No. of WavePoints visible */
-  unsigned char		locked;		/* Table lock */
-};
-
-#endif	/* WAVELAN_ROAMING */
-
-/****************************** TYPES ******************************/
-
-/* Shortcuts */
-typedef struct iw_statistics	iw_stats;
-typedef struct iw_quality	iw_qual;
-typedef struct iw_freq		iw_freq;
-typedef struct net_local	net_local;
-typedef struct timer_list	timer_list;
-
-/* Basic types */
-typedef u_char		mac_addr[WAVELAN_ADDR_SIZE];	/* Hardware address */
-
-/*
- * Static specific data for the interface.
- *
- * For each network interface, Linux keep data in two structure. "device"
- * keep the generic data (same format for everybody) and "net_local" keep
- * the additional specific data.
- */
-struct net_local {
-  dev_node_t 	node;		/* ???? What is this stuff ???? */
-  struct net_device *dev;		/* Reverse link... */
-  spinlock_t	spinlock;	/* Serialize access to the hardware (SMP) */
-  struct pcmcia_device *link;		/* pcmcia structure */
-  int		nresets;	/* Number of hw resets */
-  u_char	configured;	/* If it is configured */
-  u_char	reconfig_82593;	/* Need to reconfigure the controller */
-  u_char	promiscuous;	/* Promiscuous mode */
-  u_char	allmulticast;	/* All Multicast mode */
-  int		mc_count;	/* Number of multicast addresses */
-
-  int   	stop;		/* Current i82593 Stop Hit Register */
-  int   	rfp;		/* Last DMA machine receive pointer */
-  int		overrunning;	/* Receiver overrun flag */
-
-  iw_stats	wstats;		/* Wireless specific stats */
-
-  struct iw_spy_data	spy_data;
-  struct iw_public_data	wireless_data;
-
-#ifdef HISTOGRAM
-  int		his_number;		/* Number of intervals */
-  u_char	his_range[16];		/* Boundaries of interval ]n-1; n] */
-  u_long	his_sum[16];		/* Sum in interval */
-#endif	/* HISTOGRAM */
-#ifdef WAVELAN_ROAMING
-  u_long	domain_id;	/* Domain ID we lock on for roaming */
-  int		filter_domains;	/* Check Domain ID of beacon found */
- struct wavepoint_table	wavepoint_table;	/* Table of visible WavePoints*/
-  wavepoint_history *curr_point;		/* Current wavepoint */
-  int			cell_search;		/* Searching for new cell? */
-  struct timer_list	cell_timer;		/* Garbage collection */
-#endif	/* WAVELAN_ROAMING */
-  void __iomem *mem;
-};
-
-/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */
-static inline u_char		/* data */
-	hasr_read(u_long);	/* Read the host interface : base address */
-static void
-	hacr_write(u_long,	/* Write to host interface : base address */
-		   u_char),	/* data */
-	hacr_write_slow(u_long,
-		   u_char);
-static void
-	psa_read(struct net_device *,	/* Read the Parameter Storage Area */
-		 int,		/* offset in PSA */
-		 u_char *,	/* buffer to fill */
-		 int),		/* size to read */
-	psa_write(struct net_device *,	/* Write to the PSA */
-		  int,		/* Offset in psa */
-		  u_char *,	/* Buffer in memory */
-		  int);		/* Length of buffer */
-static void
-	mmc_out(u_long,		/* Write 1 byte to the Modem Manag Control */
-		u_short,
-		u_char),
-	mmc_write(u_long,	/* Write n bytes to the MMC */
-		  u_char,
-		  u_char *,
-		  int);
-static u_char			/* Read 1 byte from the MMC */
-	mmc_in(u_long,
-	       u_short);
-static void
-	mmc_read(u_long,	/* Read n bytes from the MMC */
-		 u_char,
-		 u_char *,
-		 int),
-	fee_wait(u_long,	/* Wait for frequency EEprom : base address */
-		 int,		/* Base delay to wait for */
-		 int);		/* Number of time to wait */
-static void
-	fee_read(u_long,	/* Read the frequency EEprom : base address */
-		 u_short,	/* destination offset */
-		 u_short *,	/* data buffer */
-		 int);		/* number of registers */
-/* ---------------------- I82593 SUBROUTINES ----------------------- */
-static int
-	wv_82593_cmd(struct net_device *,	/* synchronously send a command to i82593 */
-		     char *,
-		     int,
-		     int);
-static inline int
-	wv_diag(struct net_device *);	/* Diagnostique the i82593 */
-static int
-	read_ringbuf(struct net_device *,	/* Read a receive buffer */
-		     int,
-		     char *,
-		     int);
-static void
-	wv_82593_reconfig(struct net_device *);	/* Reconfigure the controller */
-/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */
-static void
-	wv_init_info(struct net_device *);	/* display startup info */
-/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
-static iw_stats *
-	wavelan_get_wireless_stats(struct net_device *);
-/* ----------------------- PACKET RECEPTION ----------------------- */
-static int
-	wv_start_of_frame(struct net_device *,	/* Seek beggining of current frame */
-			  int,	/* end of frame */
-			  int);	/* start of buffer */
-static void
-	wv_packet_read(struct net_device *,	/* Read a packet from a frame */
-		       int,
-		       int),
-	wv_packet_rcv(struct net_device *);	/* Read all packets waiting */
-/* --------------------- PACKET TRANSMISSION --------------------- */
-static void
-	wv_packet_write(struct net_device *,	/* Write a packet to the Tx buffer */
-			void *,
-			short);
-static netdev_tx_t
-	wavelan_packet_xmit(struct sk_buff *,	/* Send a packet */
-			    struct net_device *);
-/* -------------------- HARDWARE CONFIGURATION -------------------- */
-static int
-	wv_mmc_init(struct net_device *);	/* Initialize the modem */
-static int
-	wv_ru_stop(struct net_device *),	/* Stop the i82593 receiver unit */
-	wv_ru_start(struct net_device *);	/* Start the i82593 receiver unit */
-static int
-	wv_82593_config(struct net_device *);	/* Configure the i82593 */
-static int
-	wv_pcmcia_reset(struct net_device *);	/* Reset the pcmcia interface */
-static int
-	wv_hw_config(struct net_device *);	/* Reset & configure the whole hardware */
-static void
-	wv_hw_reset(struct net_device *);	/* Same, + start receiver unit */
-static int
-	wv_pcmcia_config(struct pcmcia_device *);	/* Configure the pcmcia interface */
-static void
-	wv_pcmcia_release(struct pcmcia_device *);/* Remove a device */
-/* ---------------------- INTERRUPT HANDLING ---------------------- */
-static irqreturn_t
-	wavelan_interrupt(int,	/* Interrupt handler */
-			  void *);
-static void
-	wavelan_watchdog(struct net_device *);	/* Transmission watchdog */
-/* ------------------- CONFIGURATION CALLBACKS ------------------- */
-static int
-	wavelan_open(struct net_device *),		/* Open the device */
-	wavelan_close(struct net_device *);	/* Close the device */
-static void
-	wavelan_detach(struct pcmcia_device *p_dev);	/* Destroy a removed device */
-
-/**************************** VARIABLES ****************************/
-
-/*
- * Parameters that can be set with 'insmod'
- * The exact syntax is 'insmod wavelan_cs.o <var>=<value>'
- */
-
-/* Shared memory speed, in ns */
-static int	mem_speed;
-
-/* New module interface */
-module_param(mem_speed, int, 0);
-
-#ifdef WAVELAN_ROAMING		/* Conditional compile, see above in options */
-/* Enable roaming mode ? No ! Please keep this to 0 */
-static int	do_roaming;
-module_param(do_roaming, bool, 0);
-#endif	/* WAVELAN_ROAMING */
-
-MODULE_LICENSE("GPL");
-
-#endif	/* WAVELAN_CS_P_H */
-

From e5b3e80016198ee55c82dfd653c1dee99a38964b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 5 May 2010 23:17:29 -0700
Subject: [PATCH 1254/3638] Staging: netwave: delete the driver

It has sat in the staging directory since October of 2009, and no one
has stepped up to take it over, so odds are, no one cares about it
anymore.  So, it is now deleted as scheduled, and documented in the TODO
file.

Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig              |    2 -
 drivers/staging/Makefile             |    1 -
 drivers/staging/netwave/Kconfig      |   11 -
 drivers/staging/netwave/Makefile     |    1 -
 drivers/staging/netwave/TODO         |    7 -
 drivers/staging/netwave/netwave_cs.c | 1369 --------------------------
 6 files changed, 1391 deletions(-)
 delete mode 100644 drivers/staging/netwave/Kconfig
 delete mode 100644 drivers/staging/netwave/Makefile
 delete mode 100644 drivers/staging/netwave/TODO
 delete mode 100644 drivers/staging/netwave/netwave_cs.c

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 436e2ed0799..e062b092073 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -125,8 +125,6 @@ source "drivers/staging/batman-adv/Kconfig"
 
 source "drivers/staging/samsung-laptop/Kconfig"
 
-source "drivers/staging/netwave/Kconfig"
-
 source "drivers/staging/sm7xx/Kconfig"
 
 source "drivers/staging/dt3155/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 357da6de3f1..097c158d91f 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -43,7 +43,6 @@ obj-$(CONFIG_WLAGS49_H2)	+= wlags49_h2/
 obj-$(CONFIG_WLAGS49_H25)	+= wlags49_h25/
 obj-$(CONFIG_BATMAN_ADV)	+= batman-adv/
 obj-$(CONFIG_SAMSUNG_LAPTOP)	+= samsung-laptop/
-obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave/
 obj-$(CONFIG_FB_SM7XX)		+= sm7xx/
 obj-$(CONFIG_DT3155)		+= dt3155/
 obj-$(CONFIG_VIDEO_DT3155)	+= dt3155v4l/
diff --git a/drivers/staging/netwave/Kconfig b/drivers/staging/netwave/Kconfig
deleted file mode 100644
index 8033e8171f9..00000000000
--- a/drivers/staging/netwave/Kconfig
+++ /dev/null
@@ -1,11 +0,0 @@
-config PCMCIA_NETWAVE
-	tristate "Xircom Netwave AirSurfer Pcmcia wireless support"
-	depends on PCMCIA && WLAN
-	select WIRELESS_EXT
-	select WEXT_PRIV
-	help
-	  Say Y here if you intend to attach this type of PCMCIA (PC-card)
-	  wireless Ethernet networking card to your computer.
-
-	  To compile this driver as a module, choose M here: the module will be
-	  called netwave_cs.  If unsure, say N.
diff --git a/drivers/staging/netwave/Makefile b/drivers/staging/netwave/Makefile
deleted file mode 100644
index 2ab89de59b9..00000000000
--- a/drivers/staging/netwave/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave_cs.o
diff --git a/drivers/staging/netwave/TODO b/drivers/staging/netwave/TODO
deleted file mode 100644
index 9bd15a2f6d9..00000000000
--- a/drivers/staging/netwave/TODO
+++ /dev/null
@@ -1,7 +0,0 @@
-TODO:
-	- step up and maintain this driver to ensure that it continues
-	  to work.  Having the hardware for this is pretty much a
-	  requirement.  If this does not happen, the will be removed in
-	  the 2.6.35 kernel release.
-
-Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
diff --git a/drivers/staging/netwave/netwave_cs.c b/drivers/staging/netwave/netwave_cs.c
deleted file mode 100644
index 7b3162101ec..00000000000
--- a/drivers/staging/netwave/netwave_cs.c
+++ /dev/null
@@ -1,1369 +0,0 @@
-/*********************************************************************
- *
- * Filename:      netwave_cs.c
- * Version:       0.4.1
- * Description:   Netwave AirSurfer Wireless LAN PC Card driver
- * Status:        Experimental.
- * Authors:       John Markus Bjørndalen <johnm@cs.uit.no>
- *                Dag Brattli <dagb@cs.uit.no>
- *                David Hinds <dahinds@users.sourceforge.net>
- * Created at:    A long time ago!
- * Modified at:   Mon Nov 10 11:54:37 1997
- * Modified by:   Dag Brattli <dagb@cs.uit.no>
- *
- *     Copyright (c) 1997 University of Tromsø, Norway
- *
- * Revision History:
- *
- *   08-Nov-97 15:14:47   John Markus Bjørndalen <johnm@cs.uit.no>
- *    - Fixed some bugs in netwave_rx and cleaned it up a bit.
- *      (One of the bugs would have destroyed packets when receiving
- *      multiple packets per interrupt).
- *    - Cleaned up parts of newave_hw_xmit.
- *    - A few general cleanups.
- *   24-Oct-97 13:17:36   Dag Brattli <dagb@cs.uit.no>
- *    - Fixed netwave_rx receive function (got updated docs)
- *   Others:
- *    - Changed name from xircnw to netwave, take a look at
- *      http://www.netwave-wireless.com
- *    - Some reorganizing of the code
- *    - Removed possible race condition between interrupt handler and transmit
- *      function
- *    - Started to add wireless extensions, but still needs some coding
- *    - Added watchdog for better handling of transmission timeouts
- *      (hopefully this works better)
- ********************************************************************/
-
-/* To have statistics (just packets sent) define this */
-#undef NETWAVE_STATS
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/errno.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/bitops.h>
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
-#include <pcmcia/cistpl.h>
-#include <pcmcia/cisreg.h>
-#include <pcmcia/ds.h>
-#include <pcmcia/mem_op.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-
-#define NETWAVE_REGOFF         0x8000
-/* The Netwave IO registers, offsets to iobase */
-#define NETWAVE_REG_COR        0x0
-#define NETWAVE_REG_CCSR       0x2
-#define NETWAVE_REG_ASR        0x4
-#define NETWAVE_REG_IMR        0xa
-#define NETWAVE_REG_PMR        0xc
-#define NETWAVE_REG_IOLOW      0x6
-#define NETWAVE_REG_IOHI       0x7
-#define NETWAVE_REG_IOCONTROL  0x8
-#define NETWAVE_REG_DATA       0xf
-/* The Netwave Extended IO registers, offsets to RamBase */
-#define NETWAVE_EREG_ASCC      0x114
-#define NETWAVE_EREG_RSER      0x120
-#define NETWAVE_EREG_RSERW     0x124
-#define NETWAVE_EREG_TSER      0x130
-#define NETWAVE_EREG_TSERW     0x134
-#define NETWAVE_EREG_CB        0x100
-#define NETWAVE_EREG_SPCQ      0x154
-#define NETWAVE_EREG_SPU       0x155
-#define NETWAVE_EREG_LIF       0x14e
-#define NETWAVE_EREG_ISPLQ     0x156
-#define NETWAVE_EREG_HHC       0x158
-#define NETWAVE_EREG_NI        0x16e
-#define NETWAVE_EREG_MHS       0x16b
-#define NETWAVE_EREG_TDP       0x140
-#define NETWAVE_EREG_RDP       0x150
-#define NETWAVE_EREG_PA        0x160
-#define NETWAVE_EREG_EC        0x180
-#define NETWAVE_EREG_CRBP      0x17a
-#define NETWAVE_EREG_ARW       0x166
-
-/*
- * Commands used in the extended command buffer
- * NETWAVE_EREG_CB (0x100-0x10F)
- */
-#define NETWAVE_CMD_NOP        0x00
-#define NETWAVE_CMD_SRC        0x01
-#define NETWAVE_CMD_STC        0x02
-#define NETWAVE_CMD_AMA        0x03
-#define NETWAVE_CMD_DMA        0x04
-#define NETWAVE_CMD_SAMA       0x05
-#define NETWAVE_CMD_ER         0x06
-#define NETWAVE_CMD_DR         0x07
-#define NETWAVE_CMD_TL         0x08
-#define NETWAVE_CMD_SRP        0x09
-#define NETWAVE_CMD_SSK        0x0a
-#define NETWAVE_CMD_SMD        0x0b
-#define NETWAVE_CMD_SAPD       0x0c
-#define NETWAVE_CMD_SSS        0x11
-/* End of Command marker */
-#define NETWAVE_CMD_EOC        0x00
-
-/* ASR register bits */
-#define NETWAVE_ASR_RXRDY   0x80
-#define NETWAVE_ASR_TXBA    0x01
-
-#define TX_TIMEOUT		((32*HZ)/100)
-
-static const unsigned int imrConfRFU1 = 0x10; /* RFU interrupt mask, keep high */
-static const unsigned int imrConfIENA = 0x02; /* Interrupt enable */
-
-static const unsigned int corConfIENA   = 0x01; /* Interrupt enable */
-static const unsigned int corConfLVLREQ = 0x40; /* Keep high */
-
-static const unsigned int rxConfRxEna  = 0x80; /* Receive Enable */
-static const unsigned int rxConfMAC    = 0x20; /* MAC host receive mode*/
-static const unsigned int rxConfPro    = 0x10; /* Promiscuous */
-static const unsigned int rxConfAMP    = 0x08; /* Accept Multicast Packets */
-static const unsigned int rxConfBcast  = 0x04; /* Accept Broadcast Packets */
-
-static const unsigned int txConfTxEna  = 0x80; /* Transmit Enable */
-static const unsigned int txConfMAC    = 0x20; /* Host sends MAC mode */
-static const unsigned int txConfEUD    = 0x10; /* Enable Uni-Data packets */
-static const unsigned int txConfKey    = 0x02; /* Scramble data packets */
-static const unsigned int txConfLoop   = 0x01; /* Loopback mode */
-
-
-/*====================================================================*/
-
-/* Parameters that can be set with 'insmod' */
-
-/* Choose the domain, default is 0x100 */
-static u_int  domain = 0x100;
-
-/* Scramble key, range from 0x0 to 0xffff.
- * 0x0 is no scrambling.
- */
-static u_int  scramble_key = 0x0;
-
-/* Shared memory speed, in ns. The documentation states that
- * the card should not be read faster than every 400ns.
- * This timing should be provided by the HBA. If it becomes a
- * problem, try setting mem_speed to 400.
- */
-static int mem_speed;
-
-module_param(domain, int, 0);
-module_param(scramble_key, int, 0);
-module_param(mem_speed, int, 0);
-
-/*====================================================================*/
-
-/* PCMCIA (Card Services) related functions */
-static void netwave_release(struct pcmcia_device *link);     /* Card removal */
-static int netwave_pcmcia_config(struct pcmcia_device *arg); /* Runs after card
-													   insertion */
-static void netwave_detach(struct pcmcia_device *p_dev);    /* Destroy instance */
-
-/* Hardware configuration */
-static void netwave_doreset(unsigned int iobase, u_char __iomem *ramBase);
-static void netwave_reset(struct net_device *dev);
-
-/* Misc device stuff */
-static int netwave_open(struct net_device *dev);  /* Open the device */
-static int netwave_close(struct net_device *dev); /* Close the device */
-
-/* Packet transmission and Packet reception */
-static netdev_tx_t netwave_start_xmit( struct sk_buff *skb,
-					     struct net_device *dev);
-static int netwave_rx( struct net_device *dev);
-
-/* Interrupt routines */
-static irqreturn_t netwave_interrupt(int irq, void *dev_id);
-static void netwave_watchdog(struct net_device *);
-
-/* Wireless extensions */
-static struct iw_statistics* netwave_get_wireless_stats(struct net_device *dev);
-
-static void set_multicast_list(struct net_device *dev);
-
-/*
-   A struct pcmcia_device structure has fields for most things that are needed
-   to keep track of a socket, but there will usually be some device
-   specific information that also needs to be kept track of.  The
-   'priv' pointer in a struct pcmcia_device structure can be used to point to
-   a device-specific private data structure, like this.
-
-   A driver needs to provide a dev_node_t structure for each device
-   on a card.  In some cases, there is only one device per card (for
-   example, ethernet cards, modems).  In other cases, there may be
-   many actual or logical devices (SCSI adapters, memory cards with
-   multiple partitions).  The dev_node_t structures need to be kept
-   in a linked list starting at the 'dev' field of a struct pcmcia_device
-   structure.  We allocate them in the card's private data structure,
-   because they generally can't be allocated dynamically.
-*/
-
-static const struct iw_handler_def	netwave_handler_def;
-
-#define SIOCGIPSNAP	SIOCIWFIRSTPRIV	+ 1	/* Site Survey Snapshot */
-
-#define MAX_ESA 10
-
-typedef struct net_addr {
-    u_char addr48[6];
-} net_addr;
-
-struct site_survey {
-    u_short length;
-    u_char  struct_revision;
-    u_char  roaming_state;
-
-    u_char  sp_existsFlag;
-    u_char  sp_link_quality;
-    u_char  sp_max_link_quality;
-    u_char  linkQualityGoodFairBoundary;
-    u_char  linkQualityFairPoorBoundary;
-    u_char  sp_utilization;
-    u_char  sp_goodness;
-    u_char  sp_hotheadcount;
-    u_char  roaming_condition;
-
-    net_addr sp;
-    u_char   numAPs;
-    net_addr nearByAccessPoints[MAX_ESA];
-};
-
-typedef struct netwave_private {
-	struct pcmcia_device	*p_dev;
-    spinlock_t	spinlock;	/* Serialize access to the hardware (SMP) */
-    dev_node_t node;
-    u_char     __iomem *ramBase;
-    int        timeoutCounter;
-    int        lastExec;
-    struct timer_list      watchdog;	/* To avoid blocking state */
-    struct site_survey     nss;
-    struct iw_statistics   iw_stats;    /* Wireless stats */
-} netwave_private;
-
-/*
- * The Netwave card is little-endian, so won't work for big endian
- * systems.
- */
-static inline unsigned short get_uint16(u_char __iomem *staddr)
-{
-    return readw(staddr); /* Return only 16 bits */
-}
-
-static inline short get_int16(u_char __iomem * staddr)
-{
-    return readw(staddr);
-}
-
-/*
- * Wait until the WOC (Write Operation Complete) bit in the
- * ASR (Adapter Status Register) is asserted.
- * This should have aborted if it takes too long time.
- */
-static inline void wait_WOC(unsigned int iobase)
-{
-    /* Spin lock */
-    while ((inb(iobase + NETWAVE_REG_ASR) & 0x8) != 0x8) ;
-}
-
-static void netwave_snapshot(netwave_private *priv, u_char __iomem *ramBase,
-			     unsigned int iobase) {
-    u_short resultBuffer;
-
-    /* if time since last snapshot is > 1 sec. (100 jiffies?)  then take
-     * new snapshot, else return cached data. This is the recommended rate.
-     */
-    if ( jiffies - priv->lastExec > 100) {
-	/* Take site survey  snapshot */
-	/*printk( KERN_DEBUG "Taking new snapshot. %ld\n", jiffies -
-	  priv->lastExec); */
-	wait_WOC(iobase);
-	writeb(NETWAVE_CMD_SSS, ramBase + NETWAVE_EREG_CB + 0);
-	writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1);
-	wait_WOC(iobase);
-
-	/* Get result and copy to cach */
-	resultBuffer = readw(ramBase + NETWAVE_EREG_CRBP);
-	copy_from_pc( &priv->nss, ramBase+resultBuffer,
-		      sizeof(struct site_survey));
-    }
-}
-
-/*
- * Function netwave_get_wireless_stats (dev)
- *
- *    Wireless extensions statistics
- *
- */
-static struct iw_statistics *netwave_get_wireless_stats(struct net_device *dev)
-{
-    unsigned long flags;
-    unsigned int iobase = dev->base_addr;
-    netwave_private *priv = netdev_priv(dev);
-    u_char __iomem *ramBase = priv->ramBase;
-    struct iw_statistics* wstats;
-
-    wstats = &priv->iw_stats;
-
-    spin_lock_irqsave(&priv->spinlock, flags);
-
-    netwave_snapshot( priv, ramBase, iobase);
-
-    wstats->status = priv->nss.roaming_state;
-    wstats->qual.qual = readb( ramBase + NETWAVE_EREG_SPCQ);
-    wstats->qual.level = readb( ramBase + NETWAVE_EREG_ISPLQ);
-    wstats->qual.noise = readb( ramBase + NETWAVE_EREG_SPU) & 0x3f;
-    wstats->discard.nwid = 0L;
-    wstats->discard.code = 0L;
-    wstats->discard.misc = 0L;
-
-    spin_unlock_irqrestore(&priv->spinlock, flags);
-
-    return &priv->iw_stats;
-}
-
-static const struct net_device_ops netwave_netdev_ops = {
-	.ndo_open	 	= netwave_open,
-	.ndo_stop		= netwave_close,
-	.ndo_start_xmit		= netwave_start_xmit,
-	.ndo_set_multicast_list = set_multicast_list,
-	.ndo_tx_timeout		= netwave_watchdog,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_set_mac_address 	= eth_mac_addr,
-	.ndo_validate_addr	= eth_validate_addr,
-};
-
-/*
- * Function netwave_attach (void)
- *
- *     Creates an "instance" of the driver, allocating local data
- *     structures for one device.  The device is registered with Card
- *     Services.
- *
- *     The dev_link structure is initialized, but we don't actually
- *     configure the card at this point -- we wait until we receive a
- *     card insertion event.
- */
-static int netwave_probe(struct pcmcia_device *link)
-{
-    struct net_device *dev;
-    netwave_private *priv;
-
-    dev_dbg(&link->dev, "netwave_attach()\n");
-
-    /* Initialize the struct pcmcia_device structure */
-    dev = alloc_etherdev(sizeof(netwave_private));
-    if (!dev)
-	return -ENOMEM;
-    priv = netdev_priv(dev);
-    priv->p_dev = link;
-    link->priv = dev;
-
-    /* The io structure describes IO port mapping */
-    link->io.NumPorts1 = 16;
-    link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
-    /* link->io.NumPorts2 = 16;
-       link->io.Attributes2 = IO_DATA_PATH_WIDTH_16; */
-    link->io.IOAddrLines = 5;
-
-    /* Interrupt setup */
-    link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
-    link->irq.Handler = &netwave_interrupt;
-
-    /* General socket configuration */
-    link->conf.Attributes = CONF_ENABLE_IRQ;
-    link->conf.IntType = INT_MEMORY_AND_IO;
-    link->conf.ConfigIndex = 1;
-
-    /* Netwave private struct init. link/dev/node already taken care of,
-     * other stuff zero'd - Jean II */
-    spin_lock_init(&priv->spinlock);
-
-    /* Netwave specific entries in the device structure */
-    dev->netdev_ops = &netwave_netdev_ops;
-    /* wireless extensions */
-    dev->wireless_handlers = &netwave_handler_def;
-
-    dev->watchdog_timeo = TX_TIMEOUT;
-
-    return netwave_pcmcia_config( link);
-} /* netwave_attach */
-
-/*
- * Function netwave_detach (link)
- *
- *    This deletes a driver "instance".  The device is de-registered
- *    with Card Services.  If it has been released, all local data
- *    structures are freed.  Otherwise, the structures will be freed
- *    when the device is released.
- */
-static void netwave_detach(struct pcmcia_device *link)
-{
-	struct net_device *dev = link->priv;
-
-	dev_dbg(&link->dev, "netwave_detach\n");
-
-	netwave_release(link);
-
-	if (link->dev_node)
-		unregister_netdev(dev);
-
-	free_netdev(dev);
-} /* netwave_detach */
-
-/*
- * Wireless Handler : get protocol name
- */
-static int netwave_get_name(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	strcpy(wrqu->name, "Netwave");
-	return 0;
-}
-
-/*
- * Wireless Handler : set Network ID
- */
-static int netwave_set_nwid(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long flags;
-	unsigned int iobase = dev->base_addr;
-	netwave_private *priv = netdev_priv(dev);
-	u_char __iomem *ramBase = priv->ramBase;
-
-	/* Disable interrupts & save flags */
-	spin_lock_irqsave(&priv->spinlock, flags);
-
-	if(!wrqu->nwid.disabled) {
-	    domain = wrqu->nwid.value;
-	    printk( KERN_DEBUG "Setting domain to 0x%x%02x\n",
-		    (domain >> 8) & 0x01, domain & 0xff);
-	    wait_WOC(iobase);
-	    writeb(NETWAVE_CMD_SMD, ramBase + NETWAVE_EREG_CB + 0);
-	    writeb( domain & 0xff, ramBase + NETWAVE_EREG_CB + 1);
-	    writeb((domain >>8 ) & 0x01,ramBase + NETWAVE_EREG_CB+2);
-	    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 3);
-	}
-
-	/* ReEnable interrupts & restore flags */
-	spin_unlock_irqrestore(&priv->spinlock, flags);
-
-	return 0;
-}
-
-/*
- * Wireless Handler : get Network ID
- */
-static int netwave_get_nwid(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	wrqu->nwid.value = domain;
-	wrqu->nwid.disabled = 0;
-	wrqu->nwid.fixed = 1;
-	return 0;
-}
-
-/*
- * Wireless Handler : set scramble key
- */
-static int netwave_set_scramble(struct net_device *dev,
-				struct iw_request_info *info,
-				union iwreq_data *wrqu,
-				char *key)
-{
-	unsigned long flags;
-	unsigned int iobase = dev->base_addr;
-	netwave_private *priv = netdev_priv(dev);
-	u_char __iomem *ramBase = priv->ramBase;
-
-	/* Disable interrupts & save flags */
-	spin_lock_irqsave(&priv->spinlock, flags);
-
-	scramble_key = (key[0] << 8) | key[1];
-	wait_WOC(iobase);
-	writeb(NETWAVE_CMD_SSK, ramBase + NETWAVE_EREG_CB + 0);
-	writeb(scramble_key & 0xff, ramBase + NETWAVE_EREG_CB + 1);
-	writeb((scramble_key>>8) & 0xff, ramBase + NETWAVE_EREG_CB + 2);
-	writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 3);
-
-	/* ReEnable interrupts & restore flags */
-	spin_unlock_irqrestore(&priv->spinlock, flags);
-
-	return 0;
-}
-
-/*
- * Wireless Handler : get scramble key
- */
-static int netwave_get_scramble(struct net_device *dev,
-				struct iw_request_info *info,
-				union iwreq_data *wrqu,
-				char *key)
-{
-	key[1] = scramble_key & 0xff;
-	key[0] = (scramble_key>>8) & 0xff;
-	wrqu->encoding.flags = IW_ENCODE_ENABLED;
-	wrqu->encoding.length = 2;
-	return 0;
-}
-
-/*
- * Wireless Handler : get mode
- */
-static int netwave_get_mode(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	if(domain & 0x100)
-		wrqu->mode = IW_MODE_INFRA;
-	else
-		wrqu->mode = IW_MODE_ADHOC;
-
-	return 0;
-}
-
-/*
- * Wireless Handler : get range info
- */
-static int netwave_get_range(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu,
-			     char *extra)
-{
-	struct iw_range *range = (struct iw_range *) extra;
-	int ret = 0;
-
-	/* Set the length (very important for backward compatibility) */
-	wrqu->data.length = sizeof(struct iw_range);
-
-	/* Set all the info we don't care or don't know about to zero */
-	memset(range, 0, sizeof(struct iw_range));
-
-	/* Set the Wireless Extension versions */
-	range->we_version_compiled = WIRELESS_EXT;
-	range->we_version_source = 9;	/* Nothing for us in v10 and v11 */
-
-	/* Set information in the range struct */
-	range->throughput = 450 * 1000;	/* don't argue on this ! */
-	range->min_nwid = 0x0000;
-	range->max_nwid = 0x01FF;
-
-	range->num_channels = range->num_frequency = 0;
-
-	range->sensitivity = 0x3F;
-	range->max_qual.qual = 255;
-	range->max_qual.level = 255;
-	range->max_qual.noise = 0;
-
-	range->num_bitrates = 1;
-	range->bitrate[0] = 1000000;	/* 1 Mb/s */
-
-	range->encoding_size[0] = 2;		/* 16 bits scrambling */
-	range->num_encoding_sizes = 1;
-	range->max_encoding_tokens = 1;	/* Only one key possible */
-
-	return ret;
-}
-
-/*
- * Wireless Private Handler : get snapshot
- */
-static int netwave_get_snap(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu,
-			    char *extra)
-{
-	unsigned long flags;
-	unsigned int iobase = dev->base_addr;
-	netwave_private *priv = netdev_priv(dev);
-	u_char __iomem *ramBase = priv->ramBase;
-
-	/* Disable interrupts & save flags */
-	spin_lock_irqsave(&priv->spinlock, flags);
-
-	/* Take snapshot of environment */
-	netwave_snapshot( priv, ramBase, iobase);
-	wrqu->data.length = priv->nss.length;
-	memcpy(extra, (u_char *) &priv->nss, sizeof( struct site_survey));
-
-	priv->lastExec = jiffies;
-
-	/* ReEnable interrupts & restore flags */
-	spin_unlock_irqrestore(&priv->spinlock, flags);
-
-	return(0);
-}
-
-/*
- * Structures to export the Wireless Handlers
- *     This is the stuff that are treated the wireless extensions (iwconfig)
- */
-
-static const struct iw_priv_args netwave_private_args[] = {
-/*{ cmd,         set_args,                            get_args, name } */
-  { SIOCGIPSNAP, 0,
-    IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof(struct site_survey),
-    "getsitesurvey" },
-};
-
-static const iw_handler		netwave_handler[] =
-{
-	NULL,				/* SIOCSIWNAME */
-	netwave_get_name,		/* SIOCGIWNAME */
-	netwave_set_nwid,		/* SIOCSIWNWID */
-	netwave_get_nwid,		/* SIOCGIWNWID */
-	NULL,				/* SIOCSIWFREQ */
-	NULL,				/* SIOCGIWFREQ */
-	NULL,				/* SIOCSIWMODE */
-	netwave_get_mode,		/* SIOCGIWMODE */
-	NULL,				/* SIOCSIWSENS */
-	NULL,				/* SIOCGIWSENS */
-	NULL,				/* SIOCSIWRANGE */
-	netwave_get_range,		/* SIOCGIWRANGE */
-	NULL,				/* SIOCSIWPRIV */
-	NULL,				/* SIOCGIWPRIV */
-	NULL,				/* SIOCSIWSTATS */
-	NULL,				/* SIOCGIWSTATS */
-	NULL,				/* SIOCSIWSPY */
-	NULL,				/* SIOCGIWSPY */
-	NULL,				/* -- hole -- */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCSIWAP */
-	NULL,				/* SIOCGIWAP */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCGIWAPLIST */
-	NULL,				/* -- hole -- */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCSIWESSID */
-	NULL,				/* SIOCGIWESSID */
-	NULL,				/* SIOCSIWNICKN */
-	NULL,				/* SIOCGIWNICKN */
-	NULL,				/* -- hole -- */
-	NULL,				/* -- hole -- */
-	NULL,				/* SIOCSIWRATE */
-	NULL,				/* SIOCGIWRATE */
-	NULL,				/* SIOCSIWRTS */
-	NULL,				/* SIOCGIWRTS */
-	NULL,				/* SIOCSIWFRAG */
-	NULL,				/* SIOCGIWFRAG */
-	NULL,				/* SIOCSIWTXPOW */
-	NULL,				/* SIOCGIWTXPOW */
-	NULL,				/* SIOCSIWRETRY */
-	NULL,				/* SIOCGIWRETRY */
-	netwave_set_scramble,		/* SIOCSIWENCODE */
-	netwave_get_scramble,		/* SIOCGIWENCODE */
-};
-
-static const iw_handler		netwave_private_handler[] =
-{
-	NULL,				/* SIOCIWFIRSTPRIV */
-	netwave_get_snap,		/* SIOCIWFIRSTPRIV + 1 */
-};
-
-static const struct iw_handler_def	netwave_handler_def =
-{
-	.num_standard	= ARRAY_SIZE(netwave_handler),
-	.num_private	= ARRAY_SIZE(netwave_private_handler),
-	.num_private_args = ARRAY_SIZE(netwave_private_args),
-	.standard	= (iw_handler *) netwave_handler,
-	.private	= (iw_handler *) netwave_private_handler,
-	.private_args	= (struct iw_priv_args *) netwave_private_args,
-	.get_wireless_stats = netwave_get_wireless_stats,
-};
-
-/*
- * Function netwave_pcmcia_config (link)
- *
- *     netwave_pcmcia_config() is scheduled to run after a CARD_INSERTION
- *     event is received, to configure the PCMCIA socket, and to make the
- *     device available to the system.
- *
- */
-
-static int netwave_pcmcia_config(struct pcmcia_device *link) {
-    struct net_device *dev = link->priv;
-    netwave_private *priv = netdev_priv(dev);
-    int i, j, ret;
-    win_req_t req;
-    memreq_t mem;
-    u_char __iomem *ramBase = NULL;
-
-    dev_dbg(&link->dev, "netwave_pcmcia_config\n");
-
-    /*
-     *  Try allocating IO ports.  This tries a few fixed addresses.
-     *  If you want, you can also read the card's config table to
-     *  pick addresses -- see the serial driver for an example.
-     */
-    for (i = j = 0x0; j < 0x400; j += 0x20) {
-	link->io.BasePort1 = j ^ 0x300;
-	i = pcmcia_request_io(link, &link->io);
-	if (i == 0)
-		break;
-    }
-    if (i != 0)
-	goto failed;
-
-    /*
-     *  Now allocate an interrupt line.  Note that this does not
-     *  actually assign a handler to the interrupt.
-     */
-    ret = pcmcia_request_irq(link, &link->irq);
-    if (ret)
-	    goto failed;
-
-    /*
-     *  This actually configures the PCMCIA socket -- setting up
-     *  the I/O windows and the interrupt mapping.
-     */
-    ret = pcmcia_request_configuration(link, &link->conf);
-    if (ret)
-	    goto failed;
-
-    /*
-     *  Allocate a 32K memory window.  Note that the struct pcmcia_device
-     *  structure provides space for one window handle -- if your
-     *  device needs several windows, you'll need to keep track of
-     *  the handles in your private data structure, dev->priv.
-     */
-    dev_dbg(&link->dev, "Setting mem speed of %d\n", mem_speed);
-
-    req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_CM|WIN_ENABLE;
-    req.Base = 0; req.Size = 0x8000;
-    req.AccessSpeed = mem_speed;
-    ret = pcmcia_request_window(link, &req, &link->win);
-    if (ret)
-	    goto failed;
-    mem.CardOffset = 0x20000; mem.Page = 0;
-    ret = pcmcia_map_mem_page(link, link->win, &mem);
-    if (ret)
-	    goto failed;
-
-    /* Store base address of the common window frame */
-    ramBase = ioremap(req.Base, 0x8000);
-    priv->ramBase = ramBase;
-
-    dev->irq = link->irq.AssignedIRQ;
-    dev->base_addr = link->io.BasePort1;
-    SET_NETDEV_DEV(dev, &link->dev);
-
-    if (register_netdev(dev) != 0) {
-	printk(KERN_DEBUG "netwave_cs: register_netdev() failed\n");
-	goto failed;
-    }
-
-    strcpy(priv->node.dev_name, dev->name);
-    link->dev_node = &priv->node;
-
-    /* Reset card before reading physical address */
-    netwave_doreset(dev->base_addr, ramBase);
-
-    /* Read the ethernet address and fill in the Netwave registers. */
-    for (i = 0; i < 6; i++)
-	dev->dev_addr[i] = readb(ramBase + NETWAVE_EREG_PA + i);
-
-    printk(KERN_INFO "%s: Netwave: port %#3lx, irq %d, mem %lx, "
-	   "id %c%c, hw_addr %pM\n",
-	   dev->name, dev->base_addr, dev->irq,
-	   (u_long) ramBase,
-	   (int) readb(ramBase+NETWAVE_EREG_NI),
-	   (int) readb(ramBase+NETWAVE_EREG_NI+1),
-	   dev->dev_addr);
-
-    /* get revision words */
-    printk(KERN_DEBUG "Netwave_reset: revision %04x %04x\n",
-	   get_uint16(ramBase + NETWAVE_EREG_ARW),
-	   get_uint16(ramBase + NETWAVE_EREG_ARW+2));
-    return 0;
-
-failed:
-    netwave_release(link);
-    return -ENODEV;
-} /* netwave_pcmcia_config */
-
-/*
- * Function netwave_release (arg)
- *
- *    After a card is removed, netwave_release() will unregister the net
- *    device, and release the PCMCIA configuration.  If the device is
- *    still open, this will be postponed until it is closed.
- */
-static void netwave_release(struct pcmcia_device *link)
-{
-	struct net_device *dev = link->priv;
-	netwave_private *priv = netdev_priv(dev);
-
-	dev_dbg(&link->dev, "netwave_release\n");
-
-	pcmcia_disable_device(link);
-	if (link->win)
-		iounmap(priv->ramBase);
-}
-
-static int netwave_suspend(struct pcmcia_device *link)
-{
-	struct net_device *dev = link->priv;
-
-	if (link->open)
-		netif_device_detach(dev);
-
-	return 0;
-}
-
-static int netwave_resume(struct pcmcia_device *link)
-{
-	struct net_device *dev = link->priv;
-
-	if (link->open) {
-		netwave_reset(dev);
-		netif_device_attach(dev);
-	}
-
-	return 0;
-}
-
-
-/*
- * Function netwave_doreset (ioBase, ramBase)
- *
- *    Proper hardware reset of the card.
- */
-static void netwave_doreset(unsigned int ioBase, u_char __iomem *ramBase)
-{
-    /* Reset card */
-    wait_WOC(ioBase);
-    outb(0x80, ioBase + NETWAVE_REG_PMR);
-    writeb(0x08, ramBase + NETWAVE_EREG_ASCC); /* Bit 3 is WOC */
-    outb(0x0, ioBase + NETWAVE_REG_PMR); /* release reset */
-}
-
-/*
- * Function netwave_reset (dev)
- *
- *    Reset and restore all of the netwave registers
- */
-static void netwave_reset(struct net_device *dev) {
-    /* u_char state; */
-    netwave_private *priv = netdev_priv(dev);
-    u_char __iomem *ramBase = priv->ramBase;
-    unsigned int iobase = dev->base_addr;
-
-    pr_debug("netwave_reset: Done with hardware reset\n");
-
-    priv->timeoutCounter = 0;
-
-    /* Reset card */
-    netwave_doreset(iobase, ramBase);
-    printk(KERN_DEBUG "netwave_reset: Done with hardware reset\n");
-
-    /* Write a NOP to check the card */
-    wait_WOC(iobase);
-    writeb(NETWAVE_CMD_NOP, ramBase + NETWAVE_EREG_CB + 0);
-    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1);
-
-    /* Set receive conf */
-    wait_WOC(iobase);
-    writeb(NETWAVE_CMD_SRC, ramBase + NETWAVE_EREG_CB + 0);
-    writeb(rxConfRxEna + rxConfBcast, ramBase + NETWAVE_EREG_CB + 1);
-    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 2);
-
-    /* Set transmit conf */
-    wait_WOC(iobase);
-    writeb(NETWAVE_CMD_STC, ramBase + NETWAVE_EREG_CB + 0);
-    writeb(txConfTxEna, ramBase + NETWAVE_EREG_CB + 1);
-    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 2);
-
-    /* Now set the MU Domain */
-    printk(KERN_DEBUG "Setting domain to 0x%x%02x\n", (domain >> 8) & 0x01, domain & 0xff);
-    wait_WOC(iobase);
-    writeb(NETWAVE_CMD_SMD, ramBase + NETWAVE_EREG_CB + 0);
-    writeb(domain & 0xff, ramBase + NETWAVE_EREG_CB + 1);
-    writeb((domain>>8) & 0x01, ramBase + NETWAVE_EREG_CB + 2);
-    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 3);
-
-    /* Set scramble key */
-    printk(KERN_DEBUG "Setting scramble key to 0x%x\n", scramble_key);
-    wait_WOC(iobase);
-    writeb(NETWAVE_CMD_SSK, ramBase + NETWAVE_EREG_CB + 0);
-    writeb(scramble_key & 0xff, ramBase + NETWAVE_EREG_CB + 1);
-    writeb((scramble_key>>8) & 0xff, ramBase + NETWAVE_EREG_CB + 2);
-    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 3);
-
-    /* Enable interrupts, bit 4 high to keep unused
-     * source from interrupting us, bit 2 high to
-     * set interrupt enable, 567 to enable TxDN,
-     * RxErr and RxRdy
-     */
-    wait_WOC(iobase);
-    outb(imrConfIENA+imrConfRFU1, iobase + NETWAVE_REG_IMR);
-
-    /* Hent 4 bytes fra 0x170. Skal vaere 0a,29,88,36
-     * waitWOC
-     * skriv 80 til d000:3688
-     * sjekk om det ble 80
-     */
-
-    /* Enable Receiver */
-    wait_WOC(iobase);
-    writeb(NETWAVE_CMD_ER, ramBase + NETWAVE_EREG_CB + 0);
-    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1);
-
-    /* Set the IENA bit in COR */
-    wait_WOC(iobase);
-    outb(corConfIENA + corConfLVLREQ, iobase + NETWAVE_REG_COR);
-}
-
-/*
- * Function netwave_hw_xmit (data, len, dev)
- */
-static int netwave_hw_xmit(unsigned char* data, int len,
-			   struct net_device* dev) {
-    unsigned long flags;
-    unsigned int TxFreeList,
-	         curBuff,
-	         MaxData,
-                 DataOffset;
-    int tmpcount;
-
-    netwave_private *priv = netdev_priv(dev);
-    u_char __iomem * ramBase = priv->ramBase;
-    unsigned int iobase = dev->base_addr;
-
-    /* Disable interrupts & save flags */
-    spin_lock_irqsave(&priv->spinlock, flags);
-
-    /* Check if there are transmit buffers available */
-    wait_WOC(iobase);
-    if ((inb(iobase+NETWAVE_REG_ASR) & NETWAVE_ASR_TXBA) == 0) {
-	/* No buffers available */
-	printk(KERN_DEBUG "netwave_hw_xmit: %s - no xmit buffers available.\n",
-	       dev->name);
-	spin_unlock_irqrestore(&priv->spinlock, flags);
-	return 1;
-    }
-
-    dev->stats.tx_bytes += len;
-
-    pr_debug("Transmitting with SPCQ %x SPU %x LIF %x ISPLQ %x\n",
-	  readb(ramBase + NETWAVE_EREG_SPCQ),
-	  readb(ramBase + NETWAVE_EREG_SPU),
-	  readb(ramBase + NETWAVE_EREG_LIF),
-	  readb(ramBase + NETWAVE_EREG_ISPLQ));
-
-    /* Now try to insert it into the adapters free memory */
-    wait_WOC(iobase);
-    TxFreeList = get_uint16(ramBase + NETWAVE_EREG_TDP);
-    MaxData    = get_uint16(ramBase + NETWAVE_EREG_TDP+2);
-    DataOffset = get_uint16(ramBase + NETWAVE_EREG_TDP+4);
-
-    pr_debug("TxFreeList %x, MaxData %x, DataOffset %x\n",
-	  TxFreeList, MaxData, DataOffset);
-
-    /* Copy packet to the adapter fragment buffers */
-    curBuff = TxFreeList;
-    tmpcount = 0;
-    while (tmpcount < len) {
-	int tmplen = len - tmpcount;
-	copy_to_pc(ramBase + curBuff + DataOffset, data + tmpcount,
-		   (tmplen < MaxData) ? tmplen : MaxData);
-	tmpcount += MaxData;
-
-	/* Advance to next buffer */
-	curBuff = get_uint16(ramBase + curBuff);
-    }
-
-    /* Now issue transmit list */
-    wait_WOC(iobase);
-    writeb(NETWAVE_CMD_TL, ramBase + NETWAVE_EREG_CB + 0);
-    writeb(len & 0xff, ramBase + NETWAVE_EREG_CB + 1);
-    writeb((len>>8) & 0xff, ramBase + NETWAVE_EREG_CB + 2);
-    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 3);
-
-    spin_unlock_irqrestore(&priv->spinlock, flags);
-    return 0;
-}
-
-static netdev_tx_t netwave_start_xmit(struct sk_buff *skb,
-					    struct net_device *dev) {
-	/* This flag indicate that the hardware can't perform a transmission.
-	 * Theoritically, NET3 check it before sending a packet to the driver,
-	 * but in fact it never do that and pool continuously.
-	 * As the watchdog will abort too long transmissions, we are quite safe...
-	 */
-
-    netif_stop_queue(dev);
-
-    {
-	short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
-	unsigned char* buf = skb->data;
-
-	if (netwave_hw_xmit( buf, length, dev) == 1) {
-	    /* Some error, let's make them call us another time? */
-	    netif_start_queue(dev);
-	}
-	dev->trans_start = jiffies;
-    }
-    dev_kfree_skb(skb);
-
-    return NETDEV_TX_OK;
-} /* netwave_start_xmit */
-
-/*
- * Function netwave_interrupt (irq, dev_id)
- *
- *    This function is the interrupt handler for the Netwave card. This
- *    routine will be called whenever:
- *	  1. A packet is received.
- *	  2. A packet has successfully been transferred and the unit is
- *	     ready to transmit another packet.
- *	  3. A command has completed execution.
- */
-static irqreturn_t netwave_interrupt(int irq, void* dev_id)
-{
-    unsigned int iobase;
-    u_char __iomem *ramBase;
-    struct net_device *dev = (struct net_device *)dev_id;
-    struct netwave_private *priv = netdev_priv(dev);
-    struct pcmcia_device *link = priv->p_dev;
-    int i;
-
-    if (!netif_device_present(dev))
-	return IRQ_NONE;
-
-    iobase = dev->base_addr;
-    ramBase = priv->ramBase;
-
-    /* Now find what caused the interrupt, check while interrupts ready */
-    for (i = 0; i < 10; i++) {
-	u_char status;
-
-	wait_WOC(iobase);
-	if (!(inb(iobase+NETWAVE_REG_CCSR) & 0x02))
-	    break; /* None of the interrupt sources asserted (normal exit) */
-
-        status = inb(iobase + NETWAVE_REG_ASR);
-
-	if (!pcmcia_dev_present(link)) {
-	    pr_debug("netwave_interrupt: Interrupt with status 0x%x "
-		  "from removed or suspended card!\n", status);
-	    break;
-	}
-
-	/* RxRdy */
-	if (status & 0x80) {
-	    netwave_rx(dev);
-	    /* wait_WOC(iobase); */
-	    /* RxRdy cannot be reset directly by the host */
-	}
-	/* RxErr */
-	if (status & 0x40) {
-	    u_char rser;
-
-	    rser = readb(ramBase + NETWAVE_EREG_RSER);
-
-	    if (rser & 0x04) {
-		++dev->stats.rx_dropped;
-		++dev->stats.rx_crc_errors;
-	    }
-	    if (rser & 0x02)
-		++dev->stats.rx_frame_errors;
-
-	    /* Clear the RxErr bit in RSER. RSER+4 is the
-	     * write part. Also clear the RxCRC (0x04) and
-	     * RxBig (0x02) bits if present */
-	    wait_WOC(iobase);
-	    writeb(0x40 | (rser & 0x06), ramBase + NETWAVE_EREG_RSER + 4);
-
-	    /* Write bit 6 high to ASCC to clear RxErr in ASR,
-	     * WOC must be set first!
-	     */
-	    wait_WOC(iobase);
-	    writeb(0x40, ramBase + NETWAVE_EREG_ASCC);
-
-	    /* Remember to count up dev->stats on error packets */
-	    ++dev->stats.rx_errors;
-	}
-	/* TxDN */
-	if (status & 0x20) {
-	    int txStatus;
-
-	    txStatus = readb(ramBase + NETWAVE_EREG_TSER);
-	    pr_debug("Transmit done. TSER = %x id %x\n",
-		  txStatus, readb(ramBase + NETWAVE_EREG_TSER + 1));
-
-	    if (txStatus & 0x20) {
-		/* Transmitting was okay, clear bits */
-		wait_WOC(iobase);
-		writeb(0x2f, ramBase + NETWAVE_EREG_TSER + 4);
-		++dev->stats.tx_packets;
-	    }
-
-	    if (txStatus & 0xd0) {
-		if (txStatus & 0x80) {
-		    ++dev->stats.collisions; /* Because of /proc/net/dev*/
-		    /* ++dev->stats.tx_aborted_errors; */
-		    /* printk("Collision. %ld\n", jiffies - dev->trans_start); */
-		}
-		if (txStatus & 0x40)
-		    ++dev->stats.tx_carrier_errors;
-		/* 0x80 TxGU Transmit giveup - nine times and no luck
-		 * 0x40 TxNOAP No access point. Discarded packet.
-		 * 0x10 TxErr Transmit error. Always set when
-		 *      TxGU and TxNOAP is set. (Those are the only ones
-		 *      to set TxErr).
-		 */
-		pr_debug("netwave_interrupt: TxDN with error status %x\n",
-		      txStatus);
-
-		/* Clear out TxGU, TxNOAP, TxErr and TxTrys */
-		wait_WOC(iobase);
-		writeb(0xdf & txStatus, ramBase+NETWAVE_EREG_TSER+4);
-		++dev->stats.tx_errors;
-	    }
-	    pr_debug("New status is TSER %x ASR %x\n",
-		  readb(ramBase + NETWAVE_EREG_TSER),
-		  inb(iobase + NETWAVE_REG_ASR));
-
-	    netif_wake_queue(dev);
-	}
-	/* TxBA, this would trigger on all error packets received */
-	/* if (status & 0x01) {
-	   pr_debug("Transmit buffers available, %x\n", status);
-	   }
-	   */
-    }
-    /* Handled if we looped at least one time - Jean II */
-    return IRQ_RETVAL(i);
-} /* netwave_interrupt */
-
-/*
- * Function netwave_watchdog (a)
- *
- *    Watchdog : when we start a transmission, we set a timer in the
- *    kernel.  If the transmission complete, this timer is disabled. If
- *    it expire, we reset the card.
- *
- */
-static void netwave_watchdog(struct net_device *dev) {
-
-    pr_debug("%s: netwave_watchdog: watchdog timer expired\n", dev->name);
-    netwave_reset(dev);
-    dev->trans_start = jiffies;
-    netif_wake_queue(dev);
-} /* netwave_watchdog */
-
-static int netwave_rx(struct net_device *dev)
-{
-    netwave_private *priv = netdev_priv(dev);
-    u_char __iomem *ramBase = priv->ramBase;
-    unsigned int iobase = dev->base_addr;
-    u_char rxStatus;
-    struct sk_buff *skb = NULL;
-    unsigned int curBuffer,
-		rcvList;
-    int rcvLen;
-    int tmpcount = 0;
-    int dataCount, dataOffset;
-    int i;
-    u_char *ptr;
-
-    pr_debug("xinw_rx: Receiving ... \n");
-
-    /* Receive max 10 packets for now. */
-    for (i = 0; i < 10; i++) {
-	/* Any packets? */
-	wait_WOC(iobase);
-	rxStatus = readb(ramBase + NETWAVE_EREG_RSER);
-	if ( !( rxStatus & 0x80)) /* No more packets */
-	    break;
-
-	/* Check if multicast/broadcast or other */
-	/* multicast = (rxStatus & 0x20);  */
-
-	/* The receive list pointer and length of the packet */
-	wait_WOC(iobase);
-	rcvLen  = get_int16( ramBase + NETWAVE_EREG_RDP);
-	rcvList = get_uint16( ramBase + NETWAVE_EREG_RDP + 2);
-
-	if (rcvLen < 0) {
-	    printk(KERN_DEBUG "netwave_rx: Receive packet with len %d\n",
-		   rcvLen);
-	    return 0;
-	}
-
-	skb = dev_alloc_skb(rcvLen+5);
-	if (skb == NULL) {
-	    pr_debug("netwave_rx: Could not allocate an sk_buff of "
-		  "length %d\n", rcvLen);
-	    ++dev->stats.rx_dropped;
-	    /* Tell the adapter to skip the packet */
-	    wait_WOC(iobase);
-	    writeb(NETWAVE_CMD_SRP, ramBase + NETWAVE_EREG_CB + 0);
-	    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1);
-	    return 0;
-	}
-
-	skb_reserve( skb, 2);  /* Align IP on 16 byte */
-	skb_put( skb, rcvLen);
-
-	/* Copy packet fragments to the skb data area */
-	ptr = (u_char*) skb->data;
-	curBuffer = rcvList;
-	tmpcount = 0;
-	while ( tmpcount < rcvLen) {
-	    /* Get length and offset of current buffer */
-	    dataCount  = get_uint16( ramBase+curBuffer+2);
-	    dataOffset = get_uint16( ramBase+curBuffer+4);
-
-	    copy_from_pc( ptr + tmpcount,
-			  ramBase+curBuffer+dataOffset, dataCount);
-
-	    tmpcount += dataCount;
-
-	    /* Point to next buffer */
-	    curBuffer = get_uint16(ramBase + curBuffer);
-	}
-
-	skb->protocol = eth_type_trans(skb,dev);
-	/* Queue packet for network layer */
-	netif_rx(skb);
-
-	dev->stats.rx_packets++;
-	dev->stats.rx_bytes += rcvLen;
-
-	/* Got the packet, tell the adapter to skip it */
-	wait_WOC(iobase);
-	writeb(NETWAVE_CMD_SRP, ramBase + NETWAVE_EREG_CB + 0);
-	writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 1);
-	pr_debug("Packet reception ok\n");
-    }
-    return 0;
-}
-
-static int netwave_open(struct net_device *dev) {
-    netwave_private *priv = netdev_priv(dev);
-    struct pcmcia_device *link = priv->p_dev;
-
-    dev_dbg(&link->dev, "netwave_open: starting.\n");
-
-    if (!pcmcia_dev_present(link))
-	return -ENODEV;
-
-    link->open++;
-
-    netif_start_queue(dev);
-    netwave_reset(dev);
-
-    return 0;
-}
-
-static int netwave_close(struct net_device *dev) {
-    netwave_private *priv = netdev_priv(dev);
-    struct pcmcia_device *link = priv->p_dev;
-
-    dev_dbg(&link->dev, "netwave_close: finishing.\n");
-
-    link->open--;
-    netif_stop_queue(dev);
-
-    return 0;
-}
-
-static struct pcmcia_device_id netwave_ids[] = {
-	PCMCIA_DEVICE_PROD_ID12("Xircom", "CreditCard Netwave", 0x2e3ee845, 0x54e28a28),
-	PCMCIA_DEVICE_NULL,
-};
-MODULE_DEVICE_TABLE(pcmcia, netwave_ids);
-
-static struct pcmcia_driver netwave_driver = {
-	.owner		= THIS_MODULE,
-	.drv		= {
-		.name	= "netwave_cs",
-	},
-	.probe		= netwave_probe,
-	.remove		= netwave_detach,
-	.id_table       = netwave_ids,
-	.suspend	= netwave_suspend,
-	.resume		= netwave_resume,
-};
-
-static int __init init_netwave_cs(void)
-{
-	return pcmcia_register_driver(&netwave_driver);
-}
-
-static void __exit exit_netwave_cs(void)
-{
-	pcmcia_unregister_driver(&netwave_driver);
-}
-
-module_init(init_netwave_cs);
-module_exit(exit_netwave_cs);
-
-/* Set or clear the multicast filter for this adaptor.
-   num_addrs == -1	Promiscuous mode, receive all packets
-   num_addrs == 0	Normal mode, clear multicast list
-   num_addrs > 0	Multicast mode, receive normal and MC packets, and do
-   best-effort filtering.
- */
-static void set_multicast_list(struct net_device *dev)
-{
-    unsigned int iobase = dev->base_addr;
-    netwave_private *priv = netdev_priv(dev);
-    u_char __iomem * ramBase = priv->ramBase;
-    u_char  rcvMode = 0;
-
-#ifdef PCMCIA_DEBUG
-    {
-	xstatic int old;
-	if (old != netdev_mc_count(dev)) {
-	    old = netdev_mc_count(dev);
-	    pr_debug("%s: setting Rx mode to %d addresses.\n",
-		  dev->name, netdev_mc_count(dev));
-	}
-    }
-#endif
-
-    if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI)) {
-	/* Multicast Mode */
-	rcvMode = rxConfRxEna + rxConfAMP + rxConfBcast;
-    } else if (dev->flags & IFF_PROMISC) {
-	/* Promiscous mode */
-	rcvMode = rxConfRxEna + rxConfPro + rxConfAMP + rxConfBcast;
-    } else {
-	/* Normal mode */
-	rcvMode = rxConfRxEna + rxConfBcast;
-    }
-
-    /* printk("netwave set_multicast_list: rcvMode to %x\n", rcvMode);*/
-    /* Now set receive mode */
-    wait_WOC(iobase);
-    writeb(NETWAVE_CMD_SRC, ramBase + NETWAVE_EREG_CB + 0);
-    writeb(rcvMode, ramBase + NETWAVE_EREG_CB + 1);
-    writeb(NETWAVE_CMD_EOC, ramBase + NETWAVE_EREG_CB + 2);
-}
-MODULE_LICENSE("GPL");

From 97b9e5ae4039ab32ea5fcef999f6e54ca4af5c94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Wed, 5 May 2010 13:54:08 -0700
Subject: [PATCH 1255/3638] Staging: crystalhd: fix missing semicolon
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

A semicolon is missing at the end of a statement, but it does compile
fine without it as the macro BCMLOG_ERR expands to a do {...} while (0);

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/crystalhd_cmds.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/crystalhd/crystalhd_cmds.c b/drivers/staging/crystalhd/crystalhd_cmds.c
index d826715809d..1a7ca8ba7f8 100644
--- a/drivers/staging/crystalhd/crystalhd_cmds.c
+++ b/drivers/staging/crystalhd/crystalhd_cmds.c
@@ -309,7 +309,7 @@ static BC_STATUS bc_cproc_download_fw(struct crystalhd_cmd *ctx,
 				  idata->add_cdata_sz);
 
 	if (sts != BC_STS_SUCCESS) {
-		BCMLOG_ERR("Firmware Download Failure!! - %d\n", sts)
+		BCMLOG_ERR("Firmware Download Failure!! - %d\n", sts);
 	} else
 		ctx->state |= BC_LINK_INIT;
 

From 67b0e64a7b219550cc3378800f680e2bb86a10f9 Mon Sep 17 00:00:00 2001
From: Mark Rankilor <reodge@gmail.com>
Date: Thu, 6 May 2010 17:36:38 +0800
Subject: [PATCH 1256/3638] Staging: comedi: Fixed printk call lengths and log
 levels

This is a patch to include log levels and fix some over length lines in
printk calls in drivers.c

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 1f48b6dca08..4a29ed737e3 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -95,7 +95,8 @@ static void __comedi_device_detach(struct comedi_device *dev)
 	if (dev->driver)
 		dev->driver->detach(dev);
 	else
-		printk(KERN_WARNING "BUG: dev->driver=NULL in comedi_device_detach()\n");
+		printk(KERN_WARNING
+		       "BUG: dev->driver=NULL in comedi_device_detach()\n");
 	cleanup_device(dev);
 }
 
@@ -148,7 +149,8 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	/*  report valid board names before returning error */
 	for (driv = comedi_drivers; driv; driv = driv->next) {
 		if (!try_module_get(driv->module)) {
-			printk(KERN_INFO "comedi: failed to increment module count\n");
+			printk(KERN_INFO
+			       "comedi: failed to increment module count\n");
 			continue;
 		}
 		comedi_report_boards(driv);
@@ -250,7 +252,8 @@ static int postconfig(struct comedi_device *dev)
 			async =
 			    kzalloc(sizeof(struct comedi_async), GFP_KERNEL);
 			if (async == NULL) {
-				printk(KERN_INFO "failed to allocate async struct\n");
+				printk(KERN_INFO
+				       "failed to allocate async struct\n");
 				return -ENOMEM;
 			}
 			init_waitqueue_head(&async->wait_head);
@@ -560,7 +563,8 @@ static unsigned int comedi_buf_munge(struct comedi_async *async,
 
 		block_size = num_bytes - count;
 		if (block_size < 0) {
-			printk(KERN_WARNING "%s: %s: bug! block_size is negative\n",
+			printk(KERN_WARNING
+			       "%s: %s: bug! block_size is negative\n",
 			       __FILE__, __func__);
 			break;
 		}
@@ -679,8 +683,8 @@ unsigned comedi_buf_read_free(struct comedi_async *async, unsigned int nbytes)
 	smp_mb();
 	if ((int)(async->buf_read_count + nbytes -
 		  async->buf_read_alloc_count) > 0) {
-		printk
-		    ("comedi: attempted to read-free more bytes than have been read-allocated.\n");
+		printk(KERN_INFO
+		       "comedi: attempted to read-free more bytes than have been read-allocated.\n");
 		nbytes = async->buf_read_alloc_count - async->buf_read_count;
 	}
 	async->buf_read_count += nbytes;

From 5e220112c8c8e59c253f6ad473687444b3ca90bf Mon Sep 17 00:00:00 2001
From: Mark Rankilor <reodge@gmail.com>
Date: Thu, 6 May 2010 17:49:37 +0800
Subject: [PATCH 1257/3638] Staging: comedi: Fixed long line length in
 comedidev.h

This patch fixes a long line length in comedidev.h to make checkpatch.pl happy

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedidev.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index c38ebb4aa75..4eb2b77f56d 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -374,7 +374,9 @@ enum subdevice_runflags {
 	SRF_RUNNING = 0x08000000
 };
 
-int comedi_check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist);
+int comedi_check_chanlist(struct comedi_subdevice *s,
+			  int n,
+			  unsigned int *chanlist);
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s);
 
 /* range stuff */

From e012b4c41987c40cc2dd82ab48e0569f1d7aa970 Mon Sep 17 00:00:00 2001
From: Mark Rankilor <reodge@gmail.com>
Date: Thu, 6 May 2010 18:07:44 +0800
Subject: [PATCH 1258/3638] Staging: comedi: Fixed long line lengths in
 comedi.h

This patches fixes some of the long line lengths that checkpatch.pl was
complaining about in comedi.h

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi.h | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index 8e4caaacfc1..20a6fee4dae 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -46,8 +46,10 @@
 #define COMEDI_DEVCONF_AUX_DATA2_LENGTH		26
 #define COMEDI_DEVCONF_AUX_DATA1_LENGTH		27
 #define COMEDI_DEVCONF_AUX_DATA0_LENGTH		28
-#define COMEDI_DEVCONF_AUX_DATA_HI		29	/* most significant 32 bits of pointer address (if needed) */
-#define COMEDI_DEVCONF_AUX_DATA_LO		30	/* least significant 32 bits of pointer address */
+/* most significant 32 bits of pointer address (if needed) */
+#define COMEDI_DEVCONF_AUX_DATA_HI		29
+/* least significant 32 bits of pointer address */
+#define COMEDI_DEVCONF_AUX_DATA_LO		30
 #define COMEDI_DEVCONF_AUX_DATA_LENGTH		31	/* total data length */
 
 /* max length of device and driver names */
@@ -55,8 +57,10 @@
 
 /* packs and unpacks a channel/range number */
 
-#define CR_PACK(chan, rng, aref)		((((aref)&0x3)<<24) | (((rng)&0xff)<<16) | (chan))
-#define CR_PACK_FLAGS(chan, range, aref, flags)	(CR_PACK(chan, range, aref) | ((flags) & CR_FLAGS_MASK))
+#define CR_PACK(chan, rng, aref)					\
+	((((aref)&0x3)<<24) | (((rng)&0xff)<<16) | (chan))
+#define CR_PACK_FLAGS(chan, range, aref, flags)				\
+	(CR_PACK(chan, range, aref) | ((flags) & CR_FLAGS_MASK))
 
 #define CR_CHAN(a)	((a)&0xffff)
 #define CR_RANGE(a)	(((a)>>16)&0xff)
@@ -125,7 +129,8 @@
 /* command flags */
 /* These flags are used in comedi_cmd structures */
 
-#define CMDF_PRIORITY		0x00000008	/* try to use a real-time interrupt while performing command */
+/* try to use a real-time interrupt while performing command */
+#define CMDF_PRIORITY		0x00000008
 
 #define TRIG_RT		CMDF_PRIORITY	/* compatibility definition */
 
@@ -242,15 +247,18 @@
 		INSN_CONFIG_DISARM = 32,
 		INSN_CONFIG_GET_COUNTER_STATUS = 33,
 		INSN_CONFIG_RESET = 34,
-		INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR = 1001,	/* Use CTR as single pulsegenerator */
-		INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR = 1002,	/* Use CTR as pulsetraingenerator */
-		INSN_CONFIG_GPCT_QUADRATURE_ENCODER = 1003,	/* Use the counter as encoder */
+		/* Use CTR as single pulsegenerator */
+		INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR = 1001,
+		/* Use CTR as pulsetraingenerator */
+		INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR = 1002,
+		/* Use the counter as encoder */
+		INSN_CONFIG_GPCT_QUADRATURE_ENCODER = 1003,
 		INSN_CONFIG_SET_GATE_SRC = 2001,	/* Set gate source */
 		INSN_CONFIG_GET_GATE_SRC = 2002,	/* Get gate source */
 		INSN_CONFIG_SET_CLOCK_SRC = 2003,	/* Set master clock source */
 		INSN_CONFIG_GET_CLOCK_SRC = 2004,	/* Get master clock source */
 		INSN_CONFIG_SET_OTHER_SRC = 2005,	/* Set other source */
-		/*	INSN_CONFIG_GET_OTHER_SRC = 2006,*//* Get other source */
+		/* INSN_CONFIG_GET_OTHER_SRC = 2006,*//* Get other source */
 		INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE = 2006,	/* Get size in bytes of
 								   subdevice's on-board
 								   fifos used during

From 043142680ae9493fbfc635c5c4c8a4feb8a0a5f5 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Wed, 5 May 2010 15:45:22 -0700
Subject: [PATCH 1259/3638] Staging: rar_register: depends on PCI

rar_register driver uses PCI interfaces and PCI devices, so it
should depend on PCI.

Also format the Kconfig help text as normally done.

drivers/staging/rar_register/rar_register.c:623: error: implicit declaration of function 'pci_dev_get'
drivers/staging/rar_register/rar_register.c:623: warning: assignment makes pointer from integer without a cast

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rar_register/Kconfig | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/rar_register/Kconfig b/drivers/staging/rar_register/Kconfig
index 3f73839643e..e9c27738199 100644
--- a/drivers/staging/rar_register/Kconfig
+++ b/drivers/staging/rar_register/Kconfig
@@ -8,23 +8,23 @@ menu "RAR Register Driver"
 #
 config RAR_REGISTER
 	tristate "Restricted Access Region Register Driver"
+	depends on PCI
 	default n
 	---help---
-		This driver allows other kernel drivers access to the
-		contents of the restricted access region control
-		registers.
+	  This driver allows other kernel drivers access to the
+	  contents of the restricted access region control registers.
 
-		The restricted access region control registers
-		(rar_registers) are used to pass address and
-		locking information on restricted access regions
-		to other drivers that use restricted access regions
+	  The restricted access region control registers
+	  (rar_registers) are used to pass address and
+	  locking information on restricted access regions
+	  to other drivers that use restricted access regions.
 
-		The restricted access regions are regions of memory
-		on the Intel MID Platform that are not accessible to
-		the x86 processor, but are accessible to dedicated
-		processors on board peripheral devices.
+	  The restricted access regions are regions of memory
+	  on the Intel MID Platform that are not accessible to
+	  the x86 processor, but are accessible to dedicated
+	  processors on board peripheral devices.
 
-		The purpose of the restricted access regions is to
-		protect sensitive data from compromise by unauthorized
-		programs running on the x86 processor.
+	  The purpose of the restricted access regions is to
+	  protect sensitive data from compromise by unauthorized
+	  programs running on the x86 processor.
 endmenu

From de37cd49b5a54facef174cf34496919857436e8f Mon Sep 17 00:00:00 2001
From: Nobuhiro KUSUNO <n-kusuno@fc4.so-net.ne.jp>
Date: Thu, 6 May 2010 05:23:28 +0900
Subject: [PATCH 1260/3638] Staging: rt2870: add device ID of MelCo.,Inc.
 WLI-UC-G301N

My wireless LAN module 'MelCo.,Inc. WLI-UC-G301N' works fine,
if the following line is added into 2870_main_dev.c.

Signed-off-by: Nobhiro KUSUNO <n-kusuno@fc4.so-net.ne.jp>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rt2860/usb_main_dev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/rt2860/usb_main_dev.c b/drivers/staging/rt2860/usb_main_dev.c
index abe9f241ff9..c6be884d089 100644
--- a/drivers/staging/rt2860/usb_main_dev.c
+++ b/drivers/staging/rt2860/usb_main_dev.c
@@ -97,6 +97,7 @@ struct usb_device_id rtusb_usb_id[] = {
 	{USB_DEVICE(0x5A57, 0x0282)},	/* Zinwell */
 	{USB_DEVICE(0x7392, 0x7718)},
 	{USB_DEVICE(0x7392, 0x7717)},
+	{USB_DEVICE(0x0411, 0x016f)},	/* MelCo.,Inc. WLI-UC-G301N */
 	{USB_DEVICE(0x1737, 0x0070)},	/* Linksys WUSB100 */
 	{USB_DEVICE(0x1737, 0x0071)},	/* Linksys WUSB600N */
 	{USB_DEVICE(0x0411, 0x00e8)},	/* Buffalo WLI-UC-G300N */

From 75568f8094eb0333e9c2109b23cbc8b82d318a3c Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 8 Mar 2010 10:24:29 -0700
Subject: [PATCH 1261/3638] PCI: create function symlinks in
 /sys/bus/pci/slots/N/

Create convenience symlinks in sysfs, linking slots to device
functions, and vice versa. These links make it easier for users to
figure out which devices actually live in what slots.

For example:

sapphire:/sys/bus/pci/slots # ls
1  10  2  3  4  5  6  7  8  9

sapphire:/sys/bus/pci/slots # ls -l 3
total 0
-r--r--r-- 1 root root 65536 Aug 18 14:10 address
lrwxrwxrwx 1 root root     0 Aug 18 14:10 function0 ->
../../../../devices/pci0000:23/0000:23:01.0
lrwxrwxrwx 1 root root     0 Aug 18 14:10 function1 ->
../../../../devices/pci0000:23/0000:23:01.1

sapphire:/sys/bus/pci/slots # ls -l 3/function0/slot
lrwxrwxrwx 1 root root 0 Aug 18 14:13 3/function0/slot ->
../../../bus/pci/slots/3

The original form of this patch was written by Matthew Wilcox,
and was enhanced to include links from the sysfs slots/ directory
pointing back at the device functions.

Cc: willy@linux.intel.com
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 Documentation/ABI/testing/sysfs-bus-pci | 40 +++++++++++++++++++++
 drivers/pci/pci-sysfs.c                 | 37 +++++++++++++++++++
 drivers/pci/slot.c                      | 48 +++++++++++++++++++++++++
 3 files changed, 125 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 25be3250f7d..428676cfa61 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -133,6 +133,46 @@ Description:
 		The symbolic link points to the PCI device sysfs entry of the
 		Physical Function this device associates with.
 
+
+What:		/sys/bus/pci/slots/...
+Date:		April 2005 (possibly older)
+KernelVersion:	2.6.12 (possibly older)
+Contact:	linux-pci@vger.kernel.org
+Description:
+		When the appropriate driver is loaded, it will create a
+		directory per claimed physical PCI slot in
+		/sys/bus/pci/slots/.  The names of these directories are
+		specific to the driver, which in turn, are specific to the
+		platform, but in general, should match the label on the
+		machine's physical chassis.
+
+		The drivers that can create slot directories include the
+		PCI hotplug drivers, and as of 2.6.27, the pci_slot driver.
+
+		The slot directories contain, at a minimum, a file named
+		'address' which contains the PCI bus:device:function tuple.
+		Other files may appear as well, but are specific to the
+		driver.
+
+What:		/sys/bus/pci/slots/.../function[0-7]
+Date:		March 2010
+KernelVersion:	2.6.35
+Contact:	linux-pci@vger.kernel.org
+Description:
+		If PCI slot directories (as described above) are created,
+		and the physical slot is actually populated with a device,
+		symbolic links in the slot directory pointing to the
+		device's PCI functions are created as well.
+
+What:		/sys/bus/pci/devices/.../slot
+Date:		March 2010
+KernelVersion:	2.6.35
+Contact:	linux-pci@vger.kernel.org
+Description:
+		If PCI slot directories (as described above) are created,
+		a symbolic link pointing to the slot directory will be
+		created as well.
+
 What:		/sys/bus/pci/slots/.../module
 Date:		June 2009
 Contact:	linux-pci@vger.kernel.org
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index fad93983bfe..941e939d1da 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -1011,6 +1011,39 @@ error:
 	return retval;
 }
 
+static void pci_remove_slot_links(struct pci_dev *dev)
+{
+	char func[10];
+	struct pci_slot *slot;
+
+	sysfs_remove_link(&dev->dev.kobj, "slot");
+	list_for_each_entry(slot, &dev->bus->slots, list) {
+		if (slot->number != PCI_SLOT(dev->devfn))
+			continue;
+		snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn));
+		sysfs_remove_link(&slot->kobj, func);
+	}
+}
+
+static int pci_create_slot_links(struct pci_dev *dev)
+{
+	int result = 0;
+	char func[10];
+	struct pci_slot *slot;
+
+	list_for_each_entry(slot, &dev->bus->slots, list) {
+		if (slot->number != PCI_SLOT(dev->devfn))
+			continue;
+		result = sysfs_create_link(&dev->dev.kobj, &slot->kobj, "slot");
+		if (result)
+			goto out;
+		snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn));
+		result = sysfs_create_link(&slot->kobj, &dev->dev.kobj, func);
+	}
+out:
+	return result;
+}
+
 int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
 {
 	int retval;
@@ -1073,6 +1106,8 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
 	if (retval)
 		goto err_vga_file;
 
+	pci_create_slot_links(pdev);
+
 	return 0;
 
 err_vga_file:
@@ -1122,6 +1157,8 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
 	if (!sysfs_initialized)
 		return;
 
+	pci_remove_slot_links(pdev);
+
 	pci_remove_capabilities_sysfs(pdev);
 
 	if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 659eaa0fc48..e0189cf7c55 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -97,6 +97,50 @@ static ssize_t cur_speed_read_file(struct pci_slot *slot, char *buf)
 	return bus_speed_read(slot->bus->cur_bus_speed, buf);
 }
 
+static void remove_sysfs_files(struct pci_slot *slot)
+{
+	char func[10];
+	struct list_head *tmp;
+
+	list_for_each(tmp, &slot->bus->devices) {
+		struct pci_dev *dev = pci_dev_b(tmp);
+		if (PCI_SLOT(dev->devfn) != slot->number)
+			continue;
+		sysfs_remove_link(&dev->dev.kobj, "slot");
+
+		snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn));
+		sysfs_remove_link(&slot->kobj, func);
+	}
+}
+
+static int create_sysfs_files(struct pci_slot *slot)
+{
+	int result;
+	char func[10];
+	struct list_head *tmp;
+
+	list_for_each(tmp, &slot->bus->devices) {
+		struct pci_dev *dev = pci_dev_b(tmp);
+		if (PCI_SLOT(dev->devfn) != slot->number)
+			continue;
+
+		result = sysfs_create_link(&dev->dev.kobj, &slot->kobj, "slot");
+		if (result)
+			goto fail;
+
+		snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn));
+		result = sysfs_create_link(&slot->kobj, &dev->dev.kobj, func);
+		if (result)
+			goto fail;
+	}
+
+	return 0;
+
+fail:
+	remove_sysfs_files(slot);
+	return result;
+}
+
 static void pci_slot_release(struct kobject *kobj)
 {
 	struct pci_dev *dev;
@@ -109,6 +153,8 @@ static void pci_slot_release(struct kobject *kobj)
 		if (PCI_SLOT(dev->devfn) == slot->number)
 			dev->slot = NULL;
 
+	remove_sysfs_files(slot);
+
 	list_del(&slot->list);
 
 	kfree(slot);
@@ -300,6 +346,8 @@ placeholder:
 	INIT_LIST_HEAD(&slot->list);
 	list_add(&slot->list, &parent->slots);
 
+	create_sysfs_files(slot);
+
 	list_for_each_entry(dev, &parent->devices, bus_list)
 		if (PCI_SLOT(dev->devfn) == slot_nr)
 			dev->slot = slot;

From 52b265a12768b9a72679bec825eb82c784116464 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Mon, 8 Mar 2010 16:48:49 -0500
Subject: [PATCH 1262/3638] PCI: clearing wakeup flags not needed

This patch (as1353) removes a couple of unnecessary assignments from
the PCI core.  The should_wakeup flag is naturally initialized to 0;
there's no need to clear it.

Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 37499127c80..60fcb6f02c9 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1631,7 +1631,6 @@ void pci_pm_init(struct pci_dev *dev)
 		 * let the user space enable it to wake up the system as needed.
 		 */
 		device_set_wakeup_capable(&dev->dev, true);
-		device_set_wakeup_enable(&dev->dev, false);
 		/* Disable the PME# generation functionality */
 		pci_pme_active(dev, false);
 	} else {
@@ -1655,7 +1654,6 @@ void platform_pci_wakeup_init(struct pci_dev *dev)
 		return;
 
 	device_set_wakeup_capable(&dev->dev, true);
-	device_set_wakeup_enable(&dev->dev, false);
 	platform_pci_sleep_wake(dev, false);
 }
 

From 511dd98ce8cf6dc4f8f2cb32a8af31ce9f4ba4a1 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 17 Feb 2010 14:35:19 +0000
Subject: [PATCH 1263/3638] PCI: Convert pci_lock to raw_spinlock

pci_lock must be a real spinlock in preempt-rt. Convert it to
raw_spinlock. No change for !RT kernels.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/access.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 2f646fe1260..affb83b42eb 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -13,7 +13,7 @@
  * configuration space.
  */
 
-static DEFINE_SPINLOCK(pci_lock);
+static DEFINE_RAW_SPINLOCK(pci_lock);
 
 /*
  *  Wrappers for all PCI configuration access functions.  They just check
@@ -33,10 +33,10 @@ int pci_bus_read_config_##size \
 	unsigned long flags;						\
 	u32 data = 0;							\
 	if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER;	\
-	spin_lock_irqsave(&pci_lock, flags);				\
+	raw_spin_lock_irqsave(&pci_lock, flags);			\
 	res = bus->ops->read(bus, devfn, pos, len, &data);		\
 	*value = (type)data;						\
-	spin_unlock_irqrestore(&pci_lock, flags);			\
+	raw_spin_unlock_irqrestore(&pci_lock, flags);		\
 	return res;							\
 }
 
@@ -47,9 +47,9 @@ int pci_bus_write_config_##size \
 	int res;							\
 	unsigned long flags;						\
 	if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER;	\
-	spin_lock_irqsave(&pci_lock, flags);				\
+	raw_spin_lock_irqsave(&pci_lock, flags);			\
 	res = bus->ops->write(bus, devfn, pos, len, value);		\
-	spin_unlock_irqrestore(&pci_lock, flags);			\
+	raw_spin_unlock_irqrestore(&pci_lock, flags);		\
 	return res;							\
 }
 
@@ -79,10 +79,10 @@ struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops)
 	struct pci_ops *old_ops;
 	unsigned long flags;
 
-	spin_lock_irqsave(&pci_lock, flags);
+	raw_spin_lock_irqsave(&pci_lock, flags);
 	old_ops = bus->ops;
 	bus->ops = ops;
-	spin_unlock_irqrestore(&pci_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_lock, flags);
 	return old_ops;
 }
 EXPORT_SYMBOL(pci_bus_set_ops);
@@ -136,9 +136,9 @@ static noinline void pci_wait_ucfg(struct pci_dev *dev)
 	__add_wait_queue(&pci_ucfg_wait, &wait);
 	do {
 		set_current_state(TASK_UNINTERRUPTIBLE);
-		spin_unlock_irq(&pci_lock);
+		raw_spin_unlock_irq(&pci_lock);
 		schedule();
-		spin_lock_irq(&pci_lock);
+		raw_spin_lock_irq(&pci_lock);
 	} while (dev->block_ucfg_access);
 	__remove_wait_queue(&pci_ucfg_wait, &wait);
 }
@@ -150,11 +150,11 @@ int pci_user_read_config_##size						\
 	int ret = 0;							\
 	u32 data = -1;							\
 	if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER;	\
-	spin_lock_irq(&pci_lock);					\
+	raw_spin_lock_irq(&pci_lock);				\
 	if (unlikely(dev->block_ucfg_access)) pci_wait_ucfg(dev);	\
 	ret = dev->bus->ops->read(dev->bus, dev->devfn,			\
 					pos, sizeof(type), &data);	\
-	spin_unlock_irq(&pci_lock);					\
+	raw_spin_unlock_irq(&pci_lock);				\
 	*val = (type)data;						\
 	return ret;							\
 }
@@ -165,11 +165,11 @@ int pci_user_write_config_##size					\
 {									\
 	int ret = -EIO;							\
 	if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER;	\
-	spin_lock_irq(&pci_lock);					\
+	raw_spin_lock_irq(&pci_lock);				\
 	if (unlikely(dev->block_ucfg_access)) pci_wait_ucfg(dev);	\
 	ret = dev->bus->ops->write(dev->bus, dev->devfn,		\
 					pos, sizeof(type), val);	\
-	spin_unlock_irq(&pci_lock);					\
+	raw_spin_unlock_irq(&pci_lock);				\
 	return ret;							\
 }
 
@@ -396,10 +396,10 @@ void pci_block_user_cfg_access(struct pci_dev *dev)
 	unsigned long flags;
 	int was_blocked;
 
-	spin_lock_irqsave(&pci_lock, flags);
+	raw_spin_lock_irqsave(&pci_lock, flags);
 	was_blocked = dev->block_ucfg_access;
 	dev->block_ucfg_access = 1;
-	spin_unlock_irqrestore(&pci_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_lock, flags);
 
 	/* If we BUG() inside the pci_lock, we're guaranteed to hose
 	 * the machine */
@@ -417,7 +417,7 @@ void pci_unblock_user_cfg_access(struct pci_dev *dev)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&pci_lock, flags);
+	raw_spin_lock_irqsave(&pci_lock, flags);
 
 	/* This indicates a problem in the caller, but we don't need
 	 * to kill them, unlike a double-block above. */
@@ -425,6 +425,6 @@ void pci_unblock_user_cfg_access(struct pci_dev *dev)
 
 	dev->block_ucfg_access = 0;
 	wake_up_all(&pci_ucfg_wait);
-	spin_unlock_irqrestore(&pci_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_lock, flags);
 }
 EXPORT_SYMBOL_GPL(pci_unblock_user_cfg_access);

From d19f61f098ae9315b76a97962007f687683916d4 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 17 Feb 2010 14:35:25 +0000
Subject: [PATCH 1264/3638] x86/PCI: Convert pci_config_lock to raw_spinlock

pci_config_lock must be a real spinlock in preempt-rt. Convert it to
raw_spinlock. No change for !RT kernels.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 arch/x86/include/asm/pci_x86.h |  2 +-
 arch/x86/pci/common.c          |  2 +-
 arch/x86/pci/direct.c          | 16 ++++++++--------
 arch/x86/pci/mmconfig_32.c     |  8 ++++----
 arch/x86/pci/numaq_32.c        |  8 ++++----
 arch/x86/pci/pcbios.c          |  8 ++++----
 6 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index 1a0422348d6..8d8797eae5d 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -83,7 +83,7 @@ struct irq_routing_table {
 
 extern unsigned int pcibios_irq_mask;
 
-extern spinlock_t pci_config_lock;
+extern raw_spinlock_t pci_config_lock;
 
 extern int (*pcibios_enable_irq)(struct pci_dev *dev);
 extern void (*pcibios_disable_irq)(struct pci_dev *dev);
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index cf2e93869c4..215a27ae050 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -76,7 +76,7 @@ struct pci_ops pci_root_ops = {
  * This interrupt-safe spinlock protects all accesses to PCI
  * configuration space.
  */
-DEFINE_SPINLOCK(pci_config_lock);
+DEFINE_RAW_SPINLOCK(pci_config_lock);
 
 static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
 {
diff --git a/arch/x86/pci/direct.c b/arch/x86/pci/direct.c
index 347d882b3bb..bd33620b007 100644
--- a/arch/x86/pci/direct.c
+++ b/arch/x86/pci/direct.c
@@ -27,7 +27,7 @@ static int pci_conf1_read(unsigned int seg, unsigned int bus,
 		return -EINVAL;
 	}
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	outl(PCI_CONF1_ADDRESS(bus, devfn, reg), 0xCF8);
 
@@ -43,7 +43,7 @@ static int pci_conf1_read(unsigned int seg, unsigned int bus,
 		break;
 	}
 
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return 0;
 }
@@ -56,7 +56,7 @@ static int pci_conf1_write(unsigned int seg, unsigned int bus,
 	if ((bus > 255) || (devfn > 255) || (reg > 4095))
 		return -EINVAL;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	outl(PCI_CONF1_ADDRESS(bus, devfn, reg), 0xCF8);
 
@@ -72,7 +72,7 @@ static int pci_conf1_write(unsigned int seg, unsigned int bus,
 		break;
 	}
 
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return 0;
 }
@@ -108,7 +108,7 @@ static int pci_conf2_read(unsigned int seg, unsigned int bus,
 	if (dev & 0x10) 
 		return PCIBIOS_DEVICE_NOT_FOUND;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	outb((u8)(0xF0 | (fn << 1)), 0xCF8);
 	outb((u8)bus, 0xCFA);
@@ -127,7 +127,7 @@ static int pci_conf2_read(unsigned int seg, unsigned int bus,
 
 	outb(0, 0xCF8);
 
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return 0;
 }
@@ -147,7 +147,7 @@ static int pci_conf2_write(unsigned int seg, unsigned int bus,
 	if (dev & 0x10) 
 		return PCIBIOS_DEVICE_NOT_FOUND;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	outb((u8)(0xF0 | (fn << 1)), 0xCF8);
 	outb((u8)bus, 0xCFA);
@@ -166,7 +166,7 @@ static int pci_conf2_write(unsigned int seg, unsigned int bus,
 
 	outb(0, 0xCF8);    
 
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return 0;
 }
diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c
index 90d5fd476ed..a3d9c54792a 100644
--- a/arch/x86/pci/mmconfig_32.c
+++ b/arch/x86/pci/mmconfig_32.c
@@ -64,7 +64,7 @@ err:		*value = -1;
 	if (!base)
 		goto err;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	pci_exp_set_dev_base(base, bus, devfn);
 
@@ -79,7 +79,7 @@ err:		*value = -1;
 		*value = mmio_config_readl(mmcfg_virt_addr + reg);
 		break;
 	}
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return 0;
 }
@@ -97,7 +97,7 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
 	if (!base)
 		return -EINVAL;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	pci_exp_set_dev_base(base, bus, devfn);
 
@@ -112,7 +112,7 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
 		mmio_config_writel(mmcfg_virt_addr + reg, value);
 		break;
 	}
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return 0;
 }
diff --git a/arch/x86/pci/numaq_32.c b/arch/x86/pci/numaq_32.c
index 8223738ad80..5c9e2458df4 100644
--- a/arch/x86/pci/numaq_32.c
+++ b/arch/x86/pci/numaq_32.c
@@ -37,7 +37,7 @@ static int pci_conf1_mq_read(unsigned int seg, unsigned int bus,
 	if (!value || (bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255))
 		return -EINVAL;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	write_cf8(bus, devfn, reg);
 
@@ -62,7 +62,7 @@ static int pci_conf1_mq_read(unsigned int seg, unsigned int bus,
 		break;
 	}
 
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return 0;
 }
@@ -76,7 +76,7 @@ static int pci_conf1_mq_write(unsigned int seg, unsigned int bus,
 	if ((bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255)) 
 		return -EINVAL;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	write_cf8(bus, devfn, reg);
 
@@ -101,7 +101,7 @@ static int pci_conf1_mq_write(unsigned int seg, unsigned int bus,
 		break;
 	}
 
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return 0;
 }
diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c
index 59a225c17b8..2492d165096 100644
--- a/arch/x86/pci/pcbios.c
+++ b/arch/x86/pci/pcbios.c
@@ -162,7 +162,7 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
 	if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
 		return -EINVAL;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	switch (len) {
 	case 1:
@@ -213,7 +213,7 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
 		break;
 	}
 
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return (int)((result & 0xff00) >> 8);
 }
@@ -228,7 +228,7 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
 	if ((bus > 255) || (devfn > 255) || (reg > 255)) 
 		return -EINVAL;
 
-	spin_lock_irqsave(&pci_config_lock, flags);
+	raw_spin_lock_irqsave(&pci_config_lock, flags);
 
 	switch (len) {
 	case 1:
@@ -269,7 +269,7 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
 		break;
 	}
 
-	spin_unlock_irqrestore(&pci_config_lock, flags);
+	raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
 	return (int)((result & 0xff00) >> 8);
 }

From 8b6d043b7ee2d1b819dc833d677ea2aead71a0c0 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Mon, 29 Mar 2010 19:38:00 +0200
Subject: [PATCH 1265/3638] resource: shared I/O region support

SuperIO devices share regions and use lock/unlock operations to chip
select.  We therefore need to be able to request a resource and wait for
it to be freed by whichever other SuperIO device currently hogs it.
Right now you have to poll which is horrible.

Add a MUXED field to IO port resources. If the MUXED field is set on the
resource and on the request (via request_muxed_region) then we block
until the previous owner of the muxed resource releases their region.

This allows us to implement proper resource sharing and locking for
superio chips using code of the form

enable_my_superio_dev() {
	request_muxed_region(0x44, 0x02, "superio:watchdog");
	outb() ..sequence to enable chip
}

disable_my_superio_dev() {
	outb() .. sequence of disable chip
	release_region(0x44, 0x02);
}

Signed-off-by: Giel van Schijndel <me@mortis.eu>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 include/linux/ioport.h |  4 +++-
 kernel/resource.c      | 16 +++++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 26fad187d66..b22790268b6 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -52,6 +52,7 @@ struct resource_list {
 
 #define IORESOURCE_MEM_64	0x00100000
 #define IORESOURCE_WINDOW	0x00200000	/* forwarded by bridge */
+#define IORESOURCE_MUXED	0x00400000	/* Resource is software muxed */
 
 #define IORESOURCE_EXCLUSIVE	0x08000000	/* Userland may not map this resource */
 #define IORESOURCE_DISABLED	0x10000000
@@ -143,7 +144,8 @@ static inline unsigned long resource_type(const struct resource *res)
 }
 
 /* Convenience shorthand with allocation */
-#define request_region(start,n,name)	__request_region(&ioport_resource, (start), (n), (name), 0)
+#define request_region(start,n,name)		__request_region(&ioport_resource, (start), (n), (name), 0)
+#define request_muxed_region(start,n,name)	__request_region(&ioport_resource, (start), (n), (name), IORESOURCE_MUXED)
 #define __request_mem_region(start,n,name, excl) __request_region(&iomem_resource, (start), (n), (name), excl)
 #define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name), 0)
 #define request_mem_region_exclusive(start,n,name) \
diff --git a/kernel/resource.c b/kernel/resource.c
index 9c358e26353..7b36976e5de 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -15,6 +15,7 @@
 #include <linux/spinlock.h>
 #include <linux/fs.h>
 #include <linux/proc_fs.h>
+#include <linux/sched.h>
 #include <linux/seq_file.h>
 #include <linux/device.h>
 #include <linux/pfn.h>
@@ -681,6 +682,8 @@ resource_size_t resource_alignment(struct resource *res)
  * release_region releases a matching busy region.
  */
 
+static DECLARE_WAIT_QUEUE_HEAD(muxed_resource_wait);
+
 /**
  * __request_region - create a new busy resource region
  * @parent: parent resource descriptor
@@ -693,6 +696,7 @@ struct resource * __request_region(struct resource *parent,
 				   resource_size_t start, resource_size_t n,
 				   const char *name, int flags)
 {
+	DECLARE_WAITQUEUE(wait, current);
 	struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
 
 	if (!res)
@@ -717,7 +721,15 @@ struct resource * __request_region(struct resource *parent,
 			if (!(conflict->flags & IORESOURCE_BUSY))
 				continue;
 		}
-
+		if (conflict->flags & flags & IORESOURCE_MUXED) {
+			add_wait_queue(&muxed_resource_wait, &wait);
+			write_unlock(&resource_lock);
+			set_current_state(TASK_UNINTERRUPTIBLE);
+			schedule();
+			remove_wait_queue(&muxed_resource_wait, &wait);
+			write_lock(&resource_lock);
+			continue;
+		}
 		/* Uhhuh, that didn't work out.. */
 		kfree(res);
 		res = NULL;
@@ -791,6 +803,8 @@ void __release_region(struct resource *parent, resource_size_t start,
 				break;
 			*p = res->sibling;
 			write_unlock(&resource_lock);
+			if (res->flags & IORESOURCE_MUXED)
+				wake_up(&muxed_resource_wait);
 			kfree(res);
 			return;
 		}

From 3196180a54b593838c0b6496e5b524a2f69bb190 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Thu, 8 Apr 2010 09:38:47 -0700
Subject: [PATCH 1266/3638] PCI: change PCI_MSI help text to recommend enabling
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Most current machines have no problem with this, and in fact many devices and
features work best (or only!) with MSI.

Reported-by: Petteri Räty <betelgeuse@gentoo.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 7858a117e80..34ef70d562b 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -19,7 +19,7 @@ config PCI_MSI
 	   by using the 'pci=nomsi' option.  This disables MSI for the
 	   entire system.
 
-	   If you don't know what to do here, say N.
+	   If you don't know what to do here, say Y.
 
 config PCI_DEBUG
 	bool "PCI Debugging"

From 447c5dd7338638f526e9bcf7dcf69b4da5835c7d Mon Sep 17 00:00:00 2001
From: Michal Schmidt <mschmidt@redhat.com>
Date: Tue, 11 May 2010 11:44:54 +0200
Subject: [PATCH 1267/3638] PCI: return correct value when writing to the
 "reset" attribute

A successful write() to the "reset" sysfs attribute should return the
number of bytes written, not 0. Otherwise userspace (bash) retries the
write over and over again.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci-sysfs.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 941e939d1da..89a08ed39c9 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -960,7 +960,12 @@ static ssize_t reset_store(struct device *dev,
 
 	if (val != 1)
 		return -EINVAL;
-	return pci_reset_function(pdev);
+
+	result = pci_reset_function(pdev);
+	if (result < 0)
+		return result;
+
+	return count;
 }
 
 static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_store);

From d4dfd7278eade24c4aa4b36b8df981fab04f2f26 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:08:24 +0900
Subject: [PATCH 1268/3638] PCI: aerdrv, doc: update example output in
 pcieaer-howto.txt

Follow new format.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 Documentation/PCI/pcieaer-howto.txt | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/Documentation/PCI/pcieaer-howto.txt b/Documentation/PCI/pcieaer-howto.txt
index be21001ab14..8c406a49679 100644
--- a/Documentation/PCI/pcieaer-howto.txt
+++ b/Documentation/PCI/pcieaer-howto.txt
@@ -71,15 +71,11 @@ console. If it's a correctable error, it is outputed as a warning.
 Otherwise, it is printed as an error. So users could choose different
 log level to filter out correctable error messages.
 
-Below shows an example.
-+------ PCI-Express Device Error -----+
-Error Severity          : Uncorrected (Fatal)
-PCIE Bus Error type     : Transaction Layer
-Unsupported Request     : First
-Requester ID            : 0500
-VendorID=8086h, DeviceID=0329h, Bus=05h, Device=00h, Function=00h
-TLB Header:
-04000001 00200a03 05010000 00050100
+Below shows an example:
+0000:50:00.0: PCIe Bus Error: severity=Uncorrected (Fatal), type=Transaction Layer, id=0500(Requester ID)
+0000:50:00.0:   device [8086:0329] error status/mask=00100000/00000000
+0000:50:00.0:    [20] Unsupported Request    (First)
+0000:50:00.0:   TLP Header: 04000001 00200a03 05010000 00050100
 
 In the example, 'Requester ID' means the ID of the device who sends
 the error message to root port. Pls. refer to pci express specs for

From c6d34eddecb34fd84f9fb2ea26a63cfde5662f49 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:09:13 +0900
Subject: [PATCH 1269/3638] PCI: aerdrv: RsvdP of PCI_ERR_ROOT_COMMAND

Handle preserved bits properly.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv.c      | 18 +++++++++++-------
 drivers/pci/pcie/aer/aerdrv_core.c | 10 ++++++----
 2 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 7a711ee314b..4e845ab1864 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -234,13 +234,15 @@ static int __devinit aer_probe(struct pcie_device *dev)
 static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
 {
 	u16 p2p_ctrl;
-	u32 status;
+	u32 reg32;
 	int pos;
 
 	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 
 	/* Disable Root's interrupt in response to error messages */
-	pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, 0);
+	pci_read_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, &reg32);
+	reg32 &= ~ROOT_PORT_INTR_ON_MESG_MASK;
+	pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, reg32);
 
 	/* Assert Secondary Bus Reset */
 	pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &p2p_ctrl);
@@ -265,12 +267,14 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
 	msleep(200);
 	dev_printk(KERN_DEBUG, &dev->dev, "Root Port link has been reset\n");
 
+	/* Clear Root Error Status */
+	pci_read_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, &reg32);
+	pci_write_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, reg32);
+
 	/* Enable Root Port's interrupt in response to error messages */
-	pci_read_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, &status);
-	pci_write_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, status);
-	pci_write_config_dword(dev,
-		pos + PCI_ERR_ROOT_COMMAND,
-		ROOT_PORT_INTR_ON_MESG_MASK);
+	pci_read_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, &reg32);
+	reg32 |= ROOT_PORT_INTR_ON_MESG_MASK;
+	pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, reg32);
 
 	return PCI_ERS_RESULT_RECOVERED;
 }
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index aceb04b67b6..9754a09bf20 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -623,9 +623,9 @@ void aer_enable_rootport(struct aer_rpc *rpc)
 	set_downstream_devices_error_reporting(pdev, true);
 
 	/* Enable Root Port's interrupt in response to error messages */
-	pci_write_config_dword(pdev,
-		aer_pos + PCI_ERR_ROOT_COMMAND,
-		ROOT_PORT_INTR_ON_MESG_MASK);
+	pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_COMMAND, &reg32);
+	reg32 |= ROOT_PORT_INTR_ON_MESG_MASK;
+	pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_COMMAND, reg32);
 }
 
 /**
@@ -648,7 +648,9 @@ static void disable_root_aer(struct aer_rpc *rpc)
 
 	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
 	/* Disable Root's interrupt in response to error messages */
-	pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, 0);
+	pci_read_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, &reg32);
+	reg32 &= ~ROOT_PORT_INTR_ON_MESG_MASK;
+	pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, reg32);
 
 	/* Clear Root's error status reg */
 	pci_read_config_dword(pdev, pos + PCI_ERR_ROOT_STATUS, &reg32);

From 460d298d521910483dcdc09920ca4c4a63b16730 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:10:03 +0900
Subject: [PATCH 1270/3638] PCI: aerdrv: cleanup inconsistent functions

This cleanup solves some minor naming issues by removing unuseful
function aer_delete_rootport() and by renaming disable_root_aer()
to aer_disable_rootport().

- Inconsistent location of alloc & free:
   The struct rpc is allocated in aer_alloc_rpc() at aerdrv.c
   while it is implicitly freed in aer_delete_rootport() at
   aerdrv_core.c.

- Inconsistent function name:
   It makes a bit confusion that aer_delete_rootport() is seemed
   to be paired with aer_enable_rootport(), i.e. there is neither
   "add" against "delete" nor "disable" against "enable".

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv.c      |  3 ++-
 drivers/pci/pcie/aer/aerdrv.h      |  2 +-
 drivers/pci/pcie/aer/aerdrv_core.c | 18 ++----------------
 3 files changed, 5 insertions(+), 18 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 4e845ab1864..14081f807e5 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -179,7 +179,8 @@ static void aer_remove(struct pcie_device *dev)
 
 		wait_event(rpc->wait_release, rpc->prod_idx == rpc->cons_idx);
 
-		aer_delete_rootport(rpc);
+		aer_disable_rootport(rpc);
+		kfree(rpc);
 		set_service_data(dev, NULL);
 	}
 }
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index bd833ea3ba4..b6fc5389dd0 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -118,7 +118,7 @@ static inline pci_ers_result_t merge_result(enum pci_ers_result orig,
 
 extern struct bus_type pcie_port_bus_type;
 extern void aer_enable_rootport(struct aer_rpc *rpc);
-extern void aer_delete_rootport(struct aer_rpc *rpc);
+extern void aer_disable_rootport(struct aer_rpc *rpc);
 extern int aer_init(struct pcie_device *dev);
 extern void aer_isr(struct work_struct *work);
 extern void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 9754a09bf20..0dcbae12683 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -629,12 +629,12 @@ void aer_enable_rootport(struct aer_rpc *rpc)
 }
 
 /**
- * disable_root_aer - disable Root Port's interrupts when receiving messages
+ * aer_disable_rootport - disable Root Port's interrupts when receiving messages
  * @rpc: pointer to a Root Port data structure
  *
  * Invoked when PCIe bus unloads AER service driver.
  */
-static void disable_root_aer(struct aer_rpc *rpc)
+void aer_disable_rootport(struct aer_rpc *rpc)
 {
 	struct pci_dev *pdev = rpc->rpd->port;
 	u32 reg32;
@@ -839,20 +839,6 @@ void aer_isr(struct work_struct *work)
 	wake_up(&rpc->wait_release);
 }
 
-/**
- * aer_delete_rootport - disable root port aer and delete service data
- * @rpc: pointer to a root port device being deleted
- *
- * Invoked when AER service unloaded on a specific Root Port
- */
-void aer_delete_rootport(struct aer_rpc *rpc)
-{
-	/* Disable root port AER itself */
-	disable_root_aer(rpc);
-
-	kfree(rpc);
-}
-
 /**
  * aer_init - provide AER initialization
  * @dev: pointer to AER pcie device

From 843f4697eea576c24f057bbdb199115bbb6b10bc Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:10:53 +0900
Subject: [PATCH 1271/3638] PCI: aerdrv: make aer_{en,dis}able_rootport static

These functions are only called from init/remove path of aerdrv,
so move them from aerdrv_core.c to aerdrv.c, to make them static.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv.c      | 107 +++++++++++++++++++++++++++++
 drivers/pci/pcie/aer/aerdrv.h      |   2 -
 drivers/pci/pcie/aer/aerdrv_core.c | 107 -----------------------------
 3 files changed, 107 insertions(+), 109 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 14081f807e5..b69dbdc3681 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -72,6 +72,113 @@ void pci_no_aer(void)
 	pcie_aer_disable = 1;	/* has priority over 'forceload' */
 }
 
+static int set_device_error_reporting(struct pci_dev *dev, void *data)
+{
+	bool enable = *((bool *)data);
+
+	if ((dev->pcie_type == PCI_EXP_TYPE_ROOT_PORT) ||
+	    (dev->pcie_type == PCI_EXP_TYPE_UPSTREAM) ||
+	    (dev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM)) {
+		if (enable)
+			pci_enable_pcie_error_reporting(dev);
+		else
+			pci_disable_pcie_error_reporting(dev);
+	}
+
+	if (enable)
+		pcie_set_ecrc_checking(dev);
+
+	return 0;
+}
+
+/**
+ * set_downstream_devices_error_reporting - enable/disable the error reporting  bits on the root port and its downstream ports.
+ * @dev: pointer to root port's pci_dev data structure
+ * @enable: true = enable error reporting, false = disable error reporting.
+ */
+static void set_downstream_devices_error_reporting(struct pci_dev *dev,
+						   bool enable)
+{
+	set_device_error_reporting(dev, &enable);
+
+	if (!dev->subordinate)
+		return;
+	pci_walk_bus(dev->subordinate, set_device_error_reporting, &enable);
+}
+
+/**
+ * aer_enable_rootport - enable Root Port's interrupts when receiving messages
+ * @rpc: pointer to a Root Port data structure
+ *
+ * Invoked when PCIe bus loads AER service driver.
+ */
+static void aer_enable_rootport(struct aer_rpc *rpc)
+{
+	struct pci_dev *pdev = rpc->rpd->port;
+	int pos, aer_pos;
+	u16 reg16;
+	u32 reg32;
+
+	pos = pci_pcie_cap(pdev);
+	/* Clear PCIe Capability's Device Status */
+	pci_read_config_word(pdev, pos+PCI_EXP_DEVSTA, &reg16);
+	pci_write_config_word(pdev, pos+PCI_EXP_DEVSTA, reg16);
+
+	/* Disable system error generation in response to error messages */
+	pci_read_config_word(pdev, pos + PCI_EXP_RTCTL, &reg16);
+	reg16 &= ~(SYSTEM_ERROR_INTR_ON_MESG_MASK);
+	pci_write_config_word(pdev, pos + PCI_EXP_RTCTL, reg16);
+
+	aer_pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
+	/* Clear error status */
+	pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, &reg32);
+	pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, reg32);
+	pci_read_config_dword(pdev, aer_pos + PCI_ERR_COR_STATUS, &reg32);
+	pci_write_config_dword(pdev, aer_pos + PCI_ERR_COR_STATUS, reg32);
+	pci_read_config_dword(pdev, aer_pos + PCI_ERR_UNCOR_STATUS, &reg32);
+	pci_write_config_dword(pdev, aer_pos + PCI_ERR_UNCOR_STATUS, reg32);
+
+	/*
+	 * Enable error reporting for the root port device and downstream port
+	 * devices.
+	 */
+	set_downstream_devices_error_reporting(pdev, true);
+
+	/* Enable Root Port's interrupt in response to error messages */
+	pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_COMMAND, &reg32);
+	reg32 |= ROOT_PORT_INTR_ON_MESG_MASK;
+	pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_COMMAND, reg32);
+}
+
+/**
+ * aer_disable_rootport - disable Root Port's interrupts when receiving messages
+ * @rpc: pointer to a Root Port data structure
+ *
+ * Invoked when PCIe bus unloads AER service driver.
+ */
+static void aer_disable_rootport(struct aer_rpc *rpc)
+{
+	struct pci_dev *pdev = rpc->rpd->port;
+	u32 reg32;
+	int pos;
+
+	/*
+	 * Disable error reporting for the root port device and downstream port
+	 * devices.
+	 */
+	set_downstream_devices_error_reporting(pdev, false);
+
+	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
+	/* Disable Root's interrupt in response to error messages */
+	pci_read_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, &reg32);
+	reg32 &= ~ROOT_PORT_INTR_ON_MESG_MASK;
+	pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, reg32);
+
+	/* Clear Root's error status reg */
+	pci_read_config_dword(pdev, pos + PCI_ERR_ROOT_STATUS, &reg32);
+	pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_STATUS, reg32);
+}
+
 /**
  * aer_irq - Root Port's ISR
  * @irq: IRQ assigned to Root Port
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index b6fc5389dd0..2f345405e82 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -117,8 +117,6 @@ static inline pci_ers_result_t merge_result(enum pci_ers_result orig,
 }
 
 extern struct bus_type pcie_port_bus_type;
-extern void aer_enable_rootport(struct aer_rpc *rpc);
-extern void aer_disable_rootport(struct aer_rpc *rpc);
 extern int aer_init(struct pcie_device *dev);
 extern void aer_isr(struct work_struct *work);
 extern void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 0dcbae12683..ad15eea54fd 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -99,40 +99,6 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
 }
 EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status);
 
-static int set_device_error_reporting(struct pci_dev *dev, void *data)
-{
-	bool enable = *((bool *)data);
-
-	if ((dev->pcie_type == PCI_EXP_TYPE_ROOT_PORT) ||
-	    (dev->pcie_type == PCI_EXP_TYPE_UPSTREAM) ||
-	    (dev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM)) {
-		if (enable)
-			pci_enable_pcie_error_reporting(dev);
-		else
-			pci_disable_pcie_error_reporting(dev);
-	}
-
-	if (enable)
-		pcie_set_ecrc_checking(dev);
-
-	return 0;
-}
-
-/**
- * set_downstream_devices_error_reporting - enable/disable the error reporting  bits on the root port and its downstream ports.
- * @dev: pointer to root port's pci_dev data structure
- * @enable: true = enable error reporting, false = disable error reporting.
- */
-static void set_downstream_devices_error_reporting(struct pci_dev *dev,
-						   bool enable)
-{
-	set_device_error_reporting(dev, &enable);
-
-	if (!dev->subordinate)
-		return;
-	pci_walk_bus(dev->subordinate, set_device_error_reporting, &enable);
-}
-
 static inline int compare_device_id(struct pci_dev *dev,
 			struct aer_err_info *e_info)
 {
@@ -584,79 +550,6 @@ static void handle_error_source(struct pcie_device *aerdev,
 	}
 }
 
-/**
- * aer_enable_rootport - enable Root Port's interrupts when receiving messages
- * @rpc: pointer to a Root Port data structure
- *
- * Invoked when PCIe bus loads AER service driver.
- */
-void aer_enable_rootport(struct aer_rpc *rpc)
-{
-	struct pci_dev *pdev = rpc->rpd->port;
-	int pos, aer_pos;
-	u16 reg16;
-	u32 reg32;
-
-	pos = pci_pcie_cap(pdev);
-	/* Clear PCIe Capability's Device Status */
-	pci_read_config_word(pdev, pos+PCI_EXP_DEVSTA, &reg16);
-	pci_write_config_word(pdev, pos+PCI_EXP_DEVSTA, reg16);
-
-	/* Disable system error generation in response to error messages */
-	pci_read_config_word(pdev, pos + PCI_EXP_RTCTL, &reg16);
-	reg16 &= ~(SYSTEM_ERROR_INTR_ON_MESG_MASK);
-	pci_write_config_word(pdev, pos + PCI_EXP_RTCTL, reg16);
-
-	aer_pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
-	/* Clear error status */
-	pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, &reg32);
-	pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, reg32);
-	pci_read_config_dword(pdev, aer_pos + PCI_ERR_COR_STATUS, &reg32);
-	pci_write_config_dword(pdev, aer_pos + PCI_ERR_COR_STATUS, reg32);
-	pci_read_config_dword(pdev, aer_pos + PCI_ERR_UNCOR_STATUS, &reg32);
-	pci_write_config_dword(pdev, aer_pos + PCI_ERR_UNCOR_STATUS, reg32);
-
-	/*
-	 * Enable error reporting for the root port device and downstream port
-	 * devices.
-	 */
-	set_downstream_devices_error_reporting(pdev, true);
-
-	/* Enable Root Port's interrupt in response to error messages */
-	pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_COMMAND, &reg32);
-	reg32 |= ROOT_PORT_INTR_ON_MESG_MASK;
-	pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_COMMAND, reg32);
-}
-
-/**
- * aer_disable_rootport - disable Root Port's interrupts when receiving messages
- * @rpc: pointer to a Root Port data structure
- *
- * Invoked when PCIe bus unloads AER service driver.
- */
-void aer_disable_rootport(struct aer_rpc *rpc)
-{
-	struct pci_dev *pdev = rpc->rpd->port;
-	u32 reg32;
-	int pos;
-
-	/*
-	 * Disable error reporting for the root port device and downstream port
-	 * devices.
-	 */
-	set_downstream_devices_error_reporting(pdev, false);
-
-	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
-	/* Disable Root's interrupt in response to error messages */
-	pci_read_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, &reg32);
-	reg32 &= ~ROOT_PORT_INTR_ON_MESG_MASK;
-	pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, reg32);
-
-	/* Clear Root's error status reg */
-	pci_read_config_dword(pdev, pos + PCI_ERR_ROOT_STATUS, &reg32);
-	pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_STATUS, reg32);
-}
-
 /**
  * get_e_source - retrieve an error source
  * @rpc: pointer to the root port which holds an error

From 98ca3964fe8da0d742331af80952443af5cff464 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:11:42 +0900
Subject: [PATCH 1272/3638] PCI: aerdrv: rework find_source_device

Return bool to indicate that the source device is found or not.
This allows us to skip calling aer_process_err_devices() if we can.

And move dev_printk for debug into this function.

v2: return bool instead of int

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index ad15eea54fd..5fa5c76719b 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -215,11 +215,13 @@ added:
 /**
  * find_source_device - search through device hierarchy for source device
  * @parent: pointer to Root Port pci_dev data structure
- * @err_info: including detailed error information such like id
+ * @e_info: including detailed error information such like id
  *
- * Invoked when error is detected at the Root Port.
+ * Return true if found.
+ *
+ * Invoked by DPC when error is detected at the Root Port.
  */
-static void find_source_device(struct pci_dev *parent,
+static bool find_source_device(struct pci_dev *parent,
 		struct aer_err_info *e_info)
 {
 	struct pci_dev *dev = parent;
@@ -228,9 +230,17 @@ static void find_source_device(struct pci_dev *parent,
 	/* Is Root Port an agent that sends error message? */
 	result = find_device_iter(dev, e_info);
 	if (result)
-		return;
+		return true;
 
 	pci_walk_bus(parent->subordinate, find_device_iter, e_info);
+
+	if (!e_info->error_dev_num) {
+		dev_printk(KERN_DEBUG, &parent->dev,
+				"can't find device of ID%04x\n",
+				e_info->id);
+		return false;
+	}
+	return true;
 }
 
 static int report_error_detected(struct pci_dev *dev, void *data)
@@ -639,12 +649,6 @@ static inline void aer_process_err_devices(struct pcie_device *p_device,
 {
 	int i;
 
-	if (!e_info->dev[0]) {
-		dev_printk(KERN_DEBUG, &p_device->port->dev,
-				"can't find device of ID%04x\n",
-				e_info->id);
-	}
-
 	/* Report all before handle them, not to lost records by reset etc. */
 	for (i = 0; i < e_info->error_dev_num && e_info->dev[i]; i++) {
 		if (get_device_error_info(e_info->dev[i], e_info))
@@ -702,8 +706,8 @@ static void aer_isr_one_error(struct pcie_device *p_device,
 
 		aer_print_port_info(p_device->port, e_info);
 
-		find_source_device(p_device->port, e_info);
-		aer_process_err_devices(p_device, e_info);
+		if (find_source_device(p_device->port, e_info))
+			aer_process_err_devices(p_device, e_info);
 	}
 
 	kfree(e_info);

From c887275e6a5b857b72c798e4a6019160a860e2ef Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:12:21 +0900
Subject: [PATCH 1273/3638] PCI: aerdrv: introduce is_error_source

Take core part of find_device_iter() to make a new function
is_error_source() that checks given device has report an error
or not.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 74 ++++++++++++++----------------
 1 file changed, 34 insertions(+), 40 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 5fa5c76719b..5b02f62cdc4 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -126,14 +126,17 @@ static int add_error_device(struct aer_err_info *e_info, struct pci_dev *dev)
 
 #define	PCI_BUS(x)	(((x) >> 8) & 0xff)
 
-static int find_device_iter(struct pci_dev *dev, void *data)
+/**
+ * is_error_source - check whether the device is source of reported error
+ * @dev: pointer to pci_dev to be checked
+ * @e_info: pointer to reported error info
+ */
+static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info)
 {
 	int pos;
-	u32 status;
-	u32 mask;
+	u32 status, mask;
 	u16 reg16;
 	int result;
-	struct aer_err_info *e_info = (struct aer_err_info *)data;
 
 	/*
 	 * When bus id is equal to 0, it might be a bad id
@@ -142,22 +145,11 @@ static int find_device_iter(struct pci_dev *dev, void *data)
 	if (!nosourceid && (PCI_BUS(e_info->id) != 0)) {
 		result = compare_device_id(dev, e_info);
 		if (result)
-			add_error_device(e_info, dev);
+			return true;
 
-		/*
-		 * If there is no multiple error, we stop
-		 * or continue based on the id comparing.
-		 */
+		/* Continue id comparing if there is no multiple error */
 		if (!e_info->multi_error_valid)
-			return result;
-
-		/*
-		 * If there are multiple errors and id does match,
-		 * We need continue to search other devices under
-		 * the root port. Return 0 means that.
-		 */
-		if (result)
-			return 0;
+			return false;
 	}
 
 	/*
@@ -166,50 +158,52 @@ static int find_device_iter(struct pci_dev *dev, void *data)
 	 *      2) bus id is equal to 0. Some ports might lose the bus
 	 *              id of error source id;
 	 *      3) There are multiple errors and prior id comparing fails;
-	 * We check AER status registers to find the initial reporter.
+	 * We check AER status registers to find possible reporter.
 	 */
 	if (atomic_read(&dev->enable_cnt) == 0)
-		return 0;
+		return false;
 	pos = pci_pcie_cap(dev);
 	if (!pos)
-		return 0;
+		return false;
+
 	/* Check if AER is enabled */
-	pci_read_config_word(dev, pos+PCI_EXP_DEVCTL, &reg16);
+	pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &reg16);
 	if (!(reg16 & (
 		PCI_EXP_DEVCTL_CERE |
 		PCI_EXP_DEVCTL_NFERE |
 		PCI_EXP_DEVCTL_FERE |
 		PCI_EXP_DEVCTL_URRE)))
-		return 0;
+		return false;
 	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 	if (!pos)
-		return 0;
+		return false;
 
-	status = 0;
-	mask = 0;
+	/* Check if error is recorded */
 	if (e_info->severity == AER_CORRECTABLE) {
 		pci_read_config_dword(dev, pos + PCI_ERR_COR_STATUS, &status);
 		pci_read_config_dword(dev, pos + PCI_ERR_COR_MASK, &mask);
-		if (status & ~mask) {
-			add_error_device(e_info, dev);
-			goto added;
-		}
 	} else {
 		pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, &status);
 		pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, &mask);
-		if (status & ~mask) {
-			add_error_device(e_info, dev);
-			goto added;
-		}
 	}
+	if (status & ~mask)
+		return true;
 
+	return false;
+}
+
+static int find_device_iter(struct pci_dev *dev, void *data)
+{
+	struct aer_err_info *e_info = (struct aer_err_info *)data;
+
+	if (is_error_source(dev, e_info)) {
+		add_error_device(e_info, dev);
+
+		/* If there is only a single error, stop iteration */
+		if (!e_info->multi_error_valid)
+			return 1;
+	}
 	return 0;
-
-added:
-	if (e_info->multi_error_valid)
-		return 0;
-	else
-		return 1;
 }
 
 /**

From bd17d4742d5a8cbedd41a1d44c0cdee84a532363 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:13:41 +0900
Subject: [PATCH 1274/3638] PCI: aerdrv: remove compare_device_id

Inline too-simple subroutine only used here.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 5b02f62cdc4..f8ffa47503b 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -99,19 +99,6 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
 }
 EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status);
 
-static inline int compare_device_id(struct pci_dev *dev,
-			struct aer_err_info *e_info)
-{
-	if (e_info->id == ((dev->bus->number << 8) | dev->devfn)) {
-		/*
-		 * Device ID match
-		 */
-		return 1;
-	}
-
-	return 0;
-}
-
 static int add_error_device(struct aer_err_info *e_info, struct pci_dev *dev)
 {
 	if (e_info->error_dev_num < AER_MAX_MULTI_ERR_DEVICES) {
@@ -136,15 +123,14 @@ static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info)
 	int pos;
 	u32 status, mask;
 	u16 reg16;
-	int result;
 
 	/*
 	 * When bus id is equal to 0, it might be a bad id
 	 * reported by root port.
 	 */
 	if (!nosourceid && (PCI_BUS(e_info->id) != 0)) {
-		result = compare_device_id(dev, e_info);
-		if (result)
+		/* Device ID match? */
+		if (e_info->id == ((dev->bus->number << 8) | dev->devfn))
 			return true;
 
 		/* Continue id comparing if there is no multiple error */

From 4a0c096efd4383fc98aa40e195363f600ba814f8 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:14:17 +0900
Subject: [PATCH 1275/3638] PCI: aerdrv: rework add_error_device

Stop iteration if we cannot register any more.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index f8ffa47503b..f5eb69f532e 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -99,18 +99,21 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
 }
 EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status);
 
+/**
+ * add_error_device - list device to be handled
+ * @e_info: pointer to error info
+ * @dev: pointer to pci_dev to be added
+ */
 static int add_error_device(struct aer_err_info *e_info, struct pci_dev *dev)
 {
 	if (e_info->error_dev_num < AER_MAX_MULTI_ERR_DEVICES) {
 		e_info->dev[e_info->error_dev_num] = dev;
 		e_info->error_dev_num++;
-		return 1;
+		return 0;
 	}
-
-	return 0;
+	return -ENOSPC;
 }
 
-
 #define	PCI_BUS(x)	(((x) >> 8) & 0xff)
 
 /**
@@ -183,7 +186,12 @@ static int find_device_iter(struct pci_dev *dev, void *data)
 	struct aer_err_info *e_info = (struct aer_err_info *)data;
 
 	if (is_error_source(dev, e_info)) {
-		add_error_device(e_info, dev);
+		/* List this device */
+		if (add_error_device(e_info, dev)) {
+			/* We cannot handle more... Stop iteration */
+			/* TODO: Should print error message here? */
+			return 1;
+		}
 
 		/* If there is only a single error, stop iteration */
 		if (!e_info->multi_error_valid)

From 7c4ec94f72cefec1c1b42219469794a34864a1ee Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:15:08 +0900
Subject: [PATCH 1276/3638] PCI: aerdrv: rework aer_isr_one_error()

Divide tricky for-loop into readable if-blocks.

The logic to set multi_error_valid (to force walking pci bus
hierarchy to find 2nd~ error devices) is changed too, to check
MULTI_{,_UN}COR_RCV bit individually and to force walk only when
it is required.

And rework setting e_info->severity for uncorrectable, not to use
magic numbers.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 55 +++++++++++++++++++-----------
 1 file changed, 35 insertions(+), 20 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index f5eb69f532e..ca140580199 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -208,6 +208,9 @@ static int find_device_iter(struct pci_dev *dev, void *data)
  * Return true if found.
  *
  * Invoked by DPC when error is detected at the Root Port.
+ * Caller of this function must set id, severity, and multi_error_valid of
+ * struct aer_err_info pointed by @e_info properly.  This function must fill
+ * e_info->error_dev_num and e_info->dev[], based on the given information.
  */
 static bool find_source_device(struct pci_dev *parent,
 		struct aer_err_info *e_info)
@@ -215,6 +218,9 @@ static bool find_source_device(struct pci_dev *parent,
 	struct pci_dev *dev = parent;
 	int result;
 
+	/* Must reset in this function */
+	e_info->error_dev_num = 0;
+
 	/* Is Root Port an agent that sends error message? */
 	result = find_device_iter(dev, e_info);
 	if (result)
@@ -580,11 +586,14 @@ static struct aer_err_source *get_e_source(struct aer_rpc *rpc)
  * @info: pointer to structure to store the error record
  *
  * Return 1 on success, 0 on error.
+ *
+ * Note that @info is reused among all error devices. Clear fields properly.
  */
 static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
 {
 	int pos, temp;
 
+	/* Must reset in this function */
 	info->status = 0;
 	info->tlp_header_valid = 0;
 
@@ -657,11 +666,10 @@ static void aer_isr_one_error(struct pcie_device *p_device,
 		struct aer_err_source *e_src)
 {
 	struct aer_err_info *e_info;
-	int i;
 
 	/* struct aer_err_info might be big, so we allocate it with slab */
 	e_info = kmalloc(sizeof(struct aer_err_info), GFP_KERNEL);
-	if (e_info == NULL) {
+	if (!e_info) {
 		dev_printk(KERN_DEBUG, &p_device->port->dev,
 			"Can't allocate mem when processing AER errors\n");
 		return;
@@ -671,26 +679,33 @@ static void aer_isr_one_error(struct pcie_device *p_device,
 	 * There is a possibility that both correctable error and
 	 * uncorrectable error being logged. Report correctable error first.
 	 */
-	for (i = 1; i & ROOT_ERR_STATUS_MASKS ; i <<= 2) {
-		if (i > 4)
-			break;
-		if (!(e_src->status & i))
-			continue;
+	if (e_src->status & PCI_ERR_ROOT_COR_RCV) {
+		e_info->id = ERR_COR_ID(e_src->id);
+		e_info->severity = AER_CORRECTABLE;
 
-		memset(e_info, 0, sizeof(struct aer_err_info));
-
-		/* Init comprehensive error information */
-		if (i & PCI_ERR_ROOT_COR_RCV) {
-			e_info->id = ERR_COR_ID(e_src->id);
-			e_info->severity = AER_CORRECTABLE;
-		} else {
-			e_info->id = ERR_UNCOR_ID(e_src->id);
-			e_info->severity = ((e_src->status >> 6) & 1);
-		}
-		if (e_src->status &
-			(PCI_ERR_ROOT_MULTI_COR_RCV |
-			 PCI_ERR_ROOT_MULTI_UNCOR_RCV))
+		if (e_src->status & PCI_ERR_ROOT_MULTI_COR_RCV)
 			e_info->multi_error_valid = 1;
+		else
+			e_info->multi_error_valid = 0;
+
+		aer_print_port_info(p_device->port, e_info);
+
+		if (find_source_device(p_device->port, e_info))
+			aer_process_err_devices(p_device, e_info);
+	}
+
+	if (e_src->status & PCI_ERR_ROOT_UNCOR_RCV) {
+		e_info->id = ERR_UNCOR_ID(e_src->id);
+
+		if (e_src->status & PCI_ERR_ROOT_FATAL_RCV)
+			e_info->severity = AER_FATAL;
+		else
+			e_info->severity = AER_NONFATAL;
+
+		if (e_src->status & PCI_ERR_ROOT_MULTI_UNCOR_RCV)
+			e_info->multi_error_valid = 1;
+		else
+			e_info->multi_error_valid = 0;
 
 		aer_print_port_info(p_device->port, e_info);
 

From 88da13bfabbffb8f89574eb168b9da9a0abc693f Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:16:16 +0900
Subject: [PATCH 1277/3638] PCI: aerdrv: rework get_e_source()

Current get_e_source() returns pointer to an element of array.
However since it also progress consume counter, it is possible
that the element is overwritten by newly produced data before
the element is really consumed.

This patch changes get_e_source() to copy contents of the element
to address pointed by its caller.  Once copied the element in
array can be consumed.

And relocate this function to more innocuous place.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 63 +++++++++++++++---------------
 1 file changed, 31 insertions(+), 32 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index ca140580199..210e53c2fdc 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -554,32 +554,6 @@ static void handle_error_source(struct pcie_device *aerdev,
 	}
 }
 
-/**
- * get_e_source - retrieve an error source
- * @rpc: pointer to the root port which holds an error
- *
- * Invoked by DPC handler to consume an error.
- */
-static struct aer_err_source *get_e_source(struct aer_rpc *rpc)
-{
-	struct aer_err_source *e_source;
-	unsigned long flags;
-
-	/* Lock access to Root error producer/consumer index */
-	spin_lock_irqsave(&rpc->e_lock, flags);
-	if (rpc->prod_idx == rpc->cons_idx) {
-		spin_unlock_irqrestore(&rpc->e_lock, flags);
-		return NULL;
-	}
-	e_source = &rpc->e_sources[rpc->cons_idx];
-	rpc->cons_idx++;
-	if (rpc->cons_idx == AER_ERROR_SOURCES_MAX)
-		rpc->cons_idx = 0;
-	spin_unlock_irqrestore(&rpc->e_lock, flags);
-
-	return e_source;
-}
-
 /**
  * get_device_error_info - read error status from dev and store it to info
  * @dev: pointer to the device expected to have a error record
@@ -716,6 +690,34 @@ static void aer_isr_one_error(struct pcie_device *p_device,
 	kfree(e_info);
 }
 
+/**
+ * get_e_source - retrieve an error source
+ * @rpc: pointer to the root port which holds an error
+ * @e_src: pointer to store retrieved error source
+ *
+ * Return 1 if an error source is retrieved, otherwise 0.
+ *
+ * Invoked by DPC handler to consume an error.
+ */
+static int get_e_source(struct aer_rpc *rpc, struct aer_err_source *e_src)
+{
+	unsigned long flags;
+	int ret = 0;
+
+	/* Lock access to Root error producer/consumer index */
+	spin_lock_irqsave(&rpc->e_lock, flags);
+	if (rpc->prod_idx != rpc->cons_idx) {
+		*e_src = rpc->e_sources[rpc->cons_idx];
+		rpc->cons_idx++;
+		if (rpc->cons_idx == AER_ERROR_SOURCES_MAX)
+			rpc->cons_idx = 0;
+		ret = 1;
+	}
+	spin_unlock_irqrestore(&rpc->e_lock, flags);
+
+	return ret;
+}
+
 /**
  * aer_isr - consume errors detected by root port
  * @work: definition of this work item
@@ -726,14 +728,11 @@ void aer_isr(struct work_struct *work)
 {
 	struct aer_rpc *rpc = container_of(work, struct aer_rpc, dpc_handler);
 	struct pcie_device *p_device = rpc->rpd;
-	struct aer_err_source *e_src;
+	struct aer_err_source e_src;
 
 	mutex_lock(&rpc->rpc_mutex);
-	e_src = get_e_source(rpc);
-	while (e_src) {
-		aer_isr_one_error(p_device, e_src);
-		e_src = get_e_source(rpc);
-	}
+	while (get_e_source(rpc, &e_src))
+		aer_isr_one_error(p_device, &e_src);
 	mutex_unlock(&rpc->rpc_mutex);
 
 	wake_up(&rpc->wait_release);

From 17e21854bd59862f4ee47d1c7e828549f782711b Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:16:52 +0900
Subject: [PATCH 1278/3638] PCI: aerdrv: rework do_recovery

Move dev_printks for debug into do_recovery().
This allows do_recovery() to return void.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 38 +++++++++++++-----------------
 1 file changed, 17 insertions(+), 21 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 210e53c2fdc..9dcd3aeeafb 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -465,8 +465,7 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
  * error detected message to all downstream drivers within a hierarchy in
  * question and return the returned code.
  */
-static pci_ers_result_t do_recovery(struct pcie_device *aerdev,
-		struct pci_dev *dev,
+static void do_recovery(struct pcie_device *aerdev, struct pci_dev *dev,
 		int severity)
 {
 	pci_ers_result_t status, result = PCI_ERS_RESULT_RECOVERED;
@@ -484,10 +483,8 @@ static pci_ers_result_t do_recovery(struct pcie_device *aerdev,
 
 	if (severity == AER_FATAL) {
 		result = reset_link(aerdev, dev);
-		if (result != PCI_ERS_RESULT_RECOVERED) {
-			/* TODO: Should panic here? */
-			return result;
-		}
+		if (result != PCI_ERS_RESULT_RECOVERED)
+			goto failed;
 	}
 
 	if (status == PCI_ERS_RESULT_CAN_RECOVER)
@@ -508,13 +505,22 @@ static pci_ers_result_t do_recovery(struct pcie_device *aerdev,
 				report_slot_reset);
 	}
 
-	if (status == PCI_ERS_RESULT_RECOVERED)
-		broadcast_error_message(dev,
+	if (status != PCI_ERS_RESULT_RECOVERED)
+		goto failed;
+
+	broadcast_error_message(dev,
 				state,
 				"resume",
 				report_resume);
 
-	return status;
+	dev_printk(KERN_DEBUG, &dev->dev,
+		"AER driver successfully recovered\n");
+	return;
+
+failed:
+	/* TODO: Should kernel panic here? */
+	dev_printk(KERN_DEBUG, &dev->dev,
+		"AER driver didn't recover\n");
 }
 
 /**
@@ -529,7 +535,6 @@ static void handle_error_source(struct pcie_device *aerdev,
 	struct pci_dev *dev,
 	struct aer_err_info *info)
 {
-	pci_ers_result_t status = 0;
 	int pos;
 
 	if (info->severity == AER_CORRECTABLE) {
@@ -541,17 +546,8 @@ static void handle_error_source(struct pcie_device *aerdev,
 		if (pos)
 			pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS,
 					info->status);
-	} else {
-		status = do_recovery(aerdev, dev, info->severity);
-		if (status == PCI_ERS_RESULT_RECOVERED) {
-			dev_printk(KERN_DEBUG, &dev->dev, "AER driver "
-				   "successfully recovered\n");
-		} else {
-			/* TODO: Should kernel panic here? */
-			dev_printk(KERN_DEBUG, &dev->dev, "AER driver didn't "
-				   "recover\n");
-		}
-	}
+	} else
+		do_recovery(aerdev, dev, info->severity);
 }
 
 /**

From f647a44f5725b0e6c8211096f4b49900164123ee Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:17:33 +0900
Subject: [PATCH 1279/3638] PCI: aerdrv: redefine PCI_ERR_ROOT_*_SRC

The Error Source Identification Register (Offset 34h) is 4 byte
which contains a couple of 2 byte field, "[15:0] ERR_COR Source
Identification" and "[31:16] ERR_FATAL/NONFATAL Source Identification."

This patch defines PCI_ERR_ROOT_ERR_SRC to make dword access sensible.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aer_inject.c | 2 +-
 drivers/pci/pcie/aer/aerdrv.c     | 2 +-
 include/linux/pci_regs.h          | 3 +--
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c
index f8f425b8731..909924692b8 100644
--- a/drivers/pci/pcie/aer/aer_inject.c
+++ b/drivers/pci/pcie/aer/aer_inject.c
@@ -168,7 +168,7 @@ static u32 *find_pci_config_dword(struct aer_error *err, int where,
 		target = &err->root_status;
 		rw1cs = 1;
 		break;
-	case PCI_ERR_ROOT_COR_SRC:
+	case PCI_ERR_ROOT_ERR_SRC:
 		target = &err->source_id;
 		break;
 	}
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index b69dbdc3681..1a55c16e2f3 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -210,7 +210,7 @@ irqreturn_t aer_irq(int irq, void *context)
 	}
 
 	/* Read error source and clear error status */
-	pci_read_config_dword(pdev->port, pos + PCI_ERR_ROOT_COR_SRC, &id);
+	pci_read_config_dword(pdev->port, pos + PCI_ERR_ROOT_ERR_SRC, &id);
 	pci_write_config_dword(pdev->port, pos + PCI_ERR_ROOT_STATUS, status);
 
 	/* Store error source for later DPC handler */
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c8f302991b6..dd0dd873f63 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -563,8 +563,7 @@
 #define PCI_ERR_ROOT_FIRST_FATAL	0x00000010	/* First Fatal */
 #define PCI_ERR_ROOT_NONFATAL_RCV	0x00000020	/* Non-Fatal Received */
 #define PCI_ERR_ROOT_FATAL_RCV		0x00000040	/* Fatal Received */
-#define PCI_ERR_ROOT_COR_SRC	52
-#define PCI_ERR_ROOT_SRC	54
+#define PCI_ERR_ROOT_ERR_SRC	52	/* Error Source Identification */
 
 /* Virtual Channel */
 #define PCI_VC_PORT_REG1	4

From e167bfcaa4cd44b4c66206a3c06b2aafb3f1260e Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:18:26 +0900
Subject: [PATCH 1280/3638] PCI: aerdrv: remove magical ROOT_ERR_STATUS_MASKS

Make it clear that we only interest in 2 *_RCV bits.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv.c | 2 +-
 drivers/pci/pcie/aer/aerdrv.h | 3 ---
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 1a55c16e2f3..cbc7cc77b2c 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -204,7 +204,7 @@ irqreturn_t aer_irq(int irq, void *context)
 
 	/* Read error status */
 	pci_read_config_dword(pdev->port, pos + PCI_ERR_ROOT_STATUS, &status);
-	if (!(status & ROOT_ERR_STATUS_MASKS)) {
+	if (!(status & (PCI_ERR_ROOT_UNCOR_RCV|PCI_ERR_ROOT_COR_RCV))) {
 		spin_unlock_irqrestore(&rpc->e_lock, flags);
 		return IRQ_NONE;
 	}
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index 2f345405e82..d0f8291c5ca 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -17,9 +17,6 @@
 #define AER_FATAL			1
 #define AER_CORRECTABLE			2
 
-/* Root Error Status Register Bits */
-#define ROOT_ERR_STATUS_MASKS		0x0f
-
 #define SYSTEM_ERROR_INTR_ON_MESG_MASK	(PCI_EXP_RTCTL_SECEE|	\
 					PCI_EXP_RTCTL_SENFEE|	\
 					PCI_EXP_RTCTL_SEFEE)

From 4f7ccf6a6085eefd2517b8c7090608c64b01ab67 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:19:48 +0900
Subject: [PATCH 1281/3638] PCI: aerdrv: remove is_downstream

The pcie->port of port service device points the port associated
the service with.  The find_aer_service iterates over children of
given port udev.

So it is clear that the pcie->port of port service of given port
udev must always point the udev.

Therefore we can know the type of udev without checking its children.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 33 +++++++++++-------------------
 1 file changed, 12 insertions(+), 21 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 9dcd3aeeafb..8d458a03afc 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -375,30 +375,20 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
 
 struct find_aer_service_data {
 	struct pcie_port_service_driver *aer_driver;
-	int is_downstream;
 };
 
 static int find_aer_service_iter(struct device *device, void *data)
 {
-	struct device_driver *driver;
 	struct pcie_port_service_driver *service_driver;
 	struct find_aer_service_data *result;
 
 	result = (struct find_aer_service_data *) data;
 
-	if (device->bus == &pcie_port_bus_type) {
-		struct pcie_device *pcie = to_pcie_device(device);
-
-		if (pcie->port->pcie_type == PCI_EXP_TYPE_DOWNSTREAM)
-			result->is_downstream = 1;
-
-		driver = device->driver;
-		if (driver) {
-			service_driver = to_service_driver(driver);
-			if (service_driver->service == PCIE_PORT_SERVICE_AER) {
-				result->aer_driver = service_driver;
-				return 1;
-			}
+	if (device->bus == &pcie_port_bus_type && device->driver) {
+		service_driver = to_service_driver(device->driver);
+		if (service_driver->service == PCIE_PORT_SERVICE_AER) {
+			result->aer_driver = service_driver;
+			return 1;
 		}
 	}
 
@@ -424,7 +414,6 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
 	else
 		udev = dev->bus->self;
 
-	data.is_downstream = 0;
 	data.aer_driver = NULL;
 	find_aer_service(udev, &data);
 
@@ -433,22 +422,24 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
 	 * If it hasn't the aer driver, use the root port's
 	 */
 	if (!data.aer_driver || !data.aer_driver->reset_link) {
-		if (data.is_downstream &&
+		if (udev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM &&
 			aerdev->device.driver &&
 			to_service_driver(aerdev->device.driver)->reset_link) {
 			data.aer_driver =
 				to_service_driver(aerdev->device.driver);
 		} else {
-			dev_printk(KERN_DEBUG, &dev->dev, "no link-reset "
-				   "support\n");
+			dev_printk(KERN_DEBUG, &dev->dev,
+				"no link-reset support at upstream device %s\n",
+				pci_name(udev));
 			return PCI_ERS_RESULT_DISCONNECT;
 		}
 	}
 
 	status = data.aer_driver->reset_link(udev);
 	if (status != PCI_ERS_RESULT_RECOVERED) {
-		dev_printk(KERN_DEBUG, &dev->dev, "link reset at upstream "
-			   "device %s failed\n", pci_name(udev));
+		dev_printk(KERN_DEBUG, &dev->dev,
+			"link reset at upstream device %s failed\n",
+			pci_name(udev));
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
 

From 517cae3829ae8cc3033c24f60e64eb251b2f0d14 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:20:43 +0900
Subject: [PATCH 1282/3638] PCI: aerdrv: rework find_aer_service

The structure find_aer_service_data is no longer useful.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Reviewed-by: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 37 +++++++++++++-----------------
 1 file changed, 16 insertions(+), 21 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 8d458a03afc..8fb14aeb74d 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -373,21 +373,16 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
 	return result_data.result;
 }
 
-struct find_aer_service_data {
-	struct pcie_port_service_driver *aer_driver;
-};
-
 static int find_aer_service_iter(struct device *device, void *data)
 {
-	struct pcie_port_service_driver *service_driver;
-	struct find_aer_service_data *result;
+	struct pcie_port_service_driver *service_driver, **drv;
 
-	result = (struct find_aer_service_data *) data;
+	drv = (struct pcie_port_service_driver **) data;
 
 	if (device->bus == &pcie_port_bus_type && device->driver) {
 		service_driver = to_service_driver(device->driver);
 		if (service_driver->service == PCIE_PORT_SERVICE_AER) {
-			result->aer_driver = service_driver;
+			*drv = service_driver;
 			return 1;
 		}
 	}
@@ -395,11 +390,13 @@ static int find_aer_service_iter(struct device *device, void *data)
 	return 0;
 }
 
-static void find_aer_service(struct pci_dev *dev,
-		struct find_aer_service_data *data)
+static struct pcie_port_service_driver *find_aer_service(struct pci_dev *dev)
 {
-	int retval;
-	retval = device_for_each_child(&dev->dev, data, find_aer_service_iter);
+	struct pcie_port_service_driver *drv = NULL;
+
+	device_for_each_child(&dev->dev, &drv, find_aer_service_iter);
+
+	return drv;
 }
 
 static pci_ers_result_t reset_link(struct pcie_device *aerdev,
@@ -407,26 +404,24 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
 {
 	struct pci_dev *udev;
 	pci_ers_result_t status;
-	struct find_aer_service_data data;
+	struct pcie_port_service_driver *driver;
 
 	if (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE)
 		udev = dev;
 	else
 		udev = dev->bus->self;
 
-	data.aer_driver = NULL;
-	find_aer_service(udev, &data);
+	/* Use the aer driver of the component firstly */
+	driver = find_aer_service(udev);
 
 	/*
-	 * Use the aer driver of the error agent firstly.
-	 * If it hasn't the aer driver, use the root port's
+	 * If it hasn't the driver and is downstream port, use the root port's
 	 */
-	if (!data.aer_driver || !data.aer_driver->reset_link) {
+	if (!driver || !driver->reset_link) {
 		if (udev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM &&
 			aerdev->device.driver &&
 			to_service_driver(aerdev->device.driver)->reset_link) {
-			data.aer_driver =
-				to_service_driver(aerdev->device.driver);
+			driver = to_service_driver(aerdev->device.driver);
 		} else {
 			dev_printk(KERN_DEBUG, &dev->dev,
 				"no link-reset support at upstream device %s\n",
@@ -435,7 +430,7 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
 		}
 	}
 
-	status = data.aer_driver->reset_link(udev);
+	status = driver->reset_link(udev);
 	if (status != PCI_ERS_RESULT_RECOVERED) {
 		dev_printk(KERN_DEBUG, &dev->dev,
 			"link reset at upstream device %s failed\n",

From 89713422a768458a0d375f0c2f3586cd5ccde6a1 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:21:27 +0900
Subject: [PATCH 1283/3638] PCI: aerdrv: introduce
 default_downstream_reset_link

I noticed that when I inject a fatal error to an endpoint via
aer-inject, aer_root_reset() is called as reset_link for a
downstream port at upstream of the endpoint:

  pcieport 0000:00:06.0: AER: Uncorrected (Fatal) error received: id=5401
   :
  pcieport 0000:52:02.0: Root Port link has been reset

It externally appears to be working, but internally issues some
accesses to PCI_ERR_ROOT_COMMAND/STATUS registers that is for
root port so not available on downstream port.

This patch introduces default_downstream_reset_link that is
a version of aer_root_reset() with no accesses to root port's
register. It is used for downstream ports that has no reset_link
function its specific.

This patch also updates related description in pcieaer-howto.txt.
Some minor fixes are included.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 Documentation/PCI/pcieaer-howto.txt | 15 +++---
 drivers/pci/pcie/aer/aerdrv.c       | 23 +--------
 drivers/pci/pcie/aer/aerdrv.h       |  1 +
 drivers/pci/pcie/aer/aerdrv_core.c  | 78 ++++++++++++++++++++++-------
 4 files changed, 71 insertions(+), 46 deletions(-)

diff --git a/Documentation/PCI/pcieaer-howto.txt b/Documentation/PCI/pcieaer-howto.txt
index 8c406a49679..26d3d945c3c 100644
--- a/Documentation/PCI/pcieaer-howto.txt
+++ b/Documentation/PCI/pcieaer-howto.txt
@@ -13,7 +13,7 @@ Reporting (AER) driver and provides information on how to use it, as
 well as how to enable the drivers of endpoint devices to conform with
 PCI Express AER driver.
 
-1.2 Copyright � Intel Corporation 2006.
+1.2 Copyright (C) Intel Corporation 2006.
 
 1.3 What is the PCI Express AER Driver?
 
@@ -108,7 +108,7 @@ but the PCI Express link itself is fully functional. Fatal errors, on
 the other hand, cause the link to be unreliable.
 
 When AER is enabled, a PCI Express device will automatically send an
-error message to the PCIE root port above it when the device captures
+error message to the PCIe root port above it when the device captures
 an error. The Root Port, upon receiving an error reporting message,
 internally processes and logs the error message in its PCI Express
 capability structure. Error information being logged includes storing
@@ -194,8 +194,9 @@ to reset link, AER port service driver is required to provide the
 function to reset link. Firstly, kernel looks for if the upstream
 component has an aer driver. If it has, kernel uses the reset_link
 callback of the aer driver. If the upstream component has no aer driver
-and the port is downstream port, we will use the aer driver of the
-root port who reports the AER error. As for upstream ports,
+and the port is downstream port, we will perform a hot reset as the
+default by setting the Secondary Bus Reset bit of the Bridge Control
+register associated with the downstream port. As for upstream ports,
 they should provide their own aer service drivers with reset_link
 function. If error_detected returns PCI_ERS_RESULT_CAN_RECOVER and
 reset_link returns PCI_ERS_RESULT_RECOVERED, the error handling goes
@@ -249,11 +250,11 @@ cleanup uncorrectable status register. Pls. refer to section 3.3.
 
 4. Software error injection
 
-Debugging PCIE AER error recovery code is quite difficult because it
+Debugging PCIe AER error recovery code is quite difficult because it
 is hard to trigger real hardware errors. Software based error
-injection can be used to fake various kinds of PCIE errors.
+injection can be used to fake various kinds of PCIe errors.
 
-First you should enable PCIE AER software error injection in kernel
+First you should enable PCIe AER software error injection in kernel
 configuration, that is, following item should be in your .config.
 
 CONFIG_PCIEAER_INJECT=y or CONFIG_PCIEAER_INJECT=m
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index cbc7cc77b2c..a225d58c1ac 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -341,7 +341,6 @@ static int __devinit aer_probe(struct pcie_device *dev)
  **/
 static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
 {
-	u16 p2p_ctrl;
 	u32 reg32;
 	int pos;
 
@@ -352,27 +351,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
 	reg32 &= ~ROOT_PORT_INTR_ON_MESG_MASK;
 	pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, reg32);
 
-	/* Assert Secondary Bus Reset */
-	pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &p2p_ctrl);
-	p2p_ctrl |= PCI_BRIDGE_CTL_BUS_RESET;
-	pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl);
-
-	/*
-	 * we should send hot reset message for 2ms to allow it time to
-	 * propogate to all downstream ports
-	 */
-	msleep(2);
-
-	/* De-assert Secondary Bus Reset */
-	p2p_ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET;
-	pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl);
-
-	/*
-	 * System software must wait for at least 100ms from the end
-	 * of a reset of one or more device before it is permitted
-	 * to issue Configuration Requests to those devices.
-	 */
-	msleep(200);
+	aer_do_secondary_bus_reset(dev);
 	dev_printk(KERN_DEBUG, &dev->dev, "Root Port link has been reset\n");
 
 	/* Clear Root Error Status */
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index d0f8291c5ca..7aaae2d2bd6 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -114,6 +114,7 @@ static inline pci_ers_result_t merge_result(enum pci_ers_result orig,
 }
 
 extern struct bus_type pcie_port_bus_type;
+extern void aer_do_secondary_bus_reset(struct pci_dev *dev);
 extern int aer_init(struct pcie_device *dev);
 extern void aer_isr(struct work_struct *work);
 extern void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 8fb14aeb74d..ce42cac99dd 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -373,6 +373,53 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
 	return result_data.result;
 }
 
+/**
+ * aer_do_secondary_bus_reset - perform secondary bus reset
+ * @dev: pointer to bridge's pci_dev data structure
+ *
+ * Invoked when performing link reset at Root Port or Downstream Port.
+ */
+void aer_do_secondary_bus_reset(struct pci_dev *dev)
+{
+	u16 p2p_ctrl;
+
+	/* Assert Secondary Bus Reset */
+	pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &p2p_ctrl);
+	p2p_ctrl |= PCI_BRIDGE_CTL_BUS_RESET;
+	pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl);
+
+	/*
+	 * we should send hot reset message for 2ms to allow it time to
+	 * propagate to all downstream ports
+	 */
+	msleep(2);
+
+	/* De-assert Secondary Bus Reset */
+	p2p_ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET;
+	pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl);
+
+	/*
+	 * System software must wait for at least 100ms from the end
+	 * of a reset of one or more device before it is permitted
+	 * to issue Configuration Requests to those devices.
+	 */
+	msleep(200);
+}
+
+/**
+ * default_downstream_reset_link - default reset function for Downstream Port
+ * @dev: pointer to downstream port's pci_dev data structure
+ *
+ * Invoked when performing link reset at Downstream Port w/ no aer driver.
+ */
+static pci_ers_result_t default_downstream_reset_link(struct pci_dev *dev)
+{
+	aer_do_secondary_bus_reset(dev);
+	dev_printk(KERN_DEBUG, &dev->dev,
+		"Downstream Port link has been reset\n");
+	return PCI_ERS_RESULT_RECOVERED;
+}
+
 static int find_aer_service_iter(struct device *device, void *data)
 {
 	struct pcie_port_service_driver *service_driver, **drv;
@@ -406,31 +453,28 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
 	pci_ers_result_t status;
 	struct pcie_port_service_driver *driver;
 
-	if (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE)
+	if (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE) {
+		/* Reset this port for all subordinates */
 		udev = dev;
-	else
+	} else {
+		/* Reset the upstream component (likely downstream port) */
 		udev = dev->bus->self;
+	}
 
 	/* Use the aer driver of the component firstly */
 	driver = find_aer_service(udev);
 
-	/*
-	 * If it hasn't the driver and is downstream port, use the root port's
-	 */
-	if (!driver || !driver->reset_link) {
-		if (udev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM &&
-			aerdev->device.driver &&
-			to_service_driver(aerdev->device.driver)->reset_link) {
-			driver = to_service_driver(aerdev->device.driver);
-		} else {
-			dev_printk(KERN_DEBUG, &dev->dev,
-				"no link-reset support at upstream device %s\n",
-				pci_name(udev));
-			return PCI_ERS_RESULT_DISCONNECT;
-		}
+	if (driver && driver->reset_link) {
+		status = driver->reset_link(udev);
+	} else if (udev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) {
+		status = default_downstream_reset_link(udev);
+	} else {
+		dev_printk(KERN_DEBUG, &dev->dev,
+			"no link-reset support at upstream device %s\n",
+			pci_name(udev));
+		return PCI_ERS_RESULT_DISCONNECT;
 	}
 
-	status = driver->reset_link(udev);
 	if (status != PCI_ERS_RESULT_RECOVERED) {
 		dev_printk(KERN_DEBUG, &dev->dev,
 			"link reset at upstream device %s failed\n",

From f6d3780061283039de33b402c35c3bf9322afe14 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:22:11 +0900
Subject: [PATCH 1284/3638] PCI: aerdrv: trivial cleanup for aerdrv.c

Skip zero-ing in aer_alloc_rpc() since it is allocated by kzalloc().
The closing comment marker "*/" is recommended for kernel-doc comments.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv.c | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index a225d58c1ac..484cc55194b 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -185,7 +185,7 @@ static void aer_disable_rootport(struct aer_rpc *rpc)
  * @context: pointer to Root Port data structure
  *
  * Invoked when Root Port detects AER messages.
- **/
+ */
 irqreturn_t aer_irq(int irq, void *context)
 {
 	unsigned int status, id;
@@ -242,7 +242,7 @@ EXPORT_SYMBOL_GPL(aer_irq);
  * @dev: pointer to the pcie_dev data structure
  *
  * Invoked when Root Port's AER service is loaded.
- **/
+ */
 static struct aer_rpc *aer_alloc_rpc(struct pcie_device *dev)
 {
 	struct aer_rpc *rpc;
@@ -251,15 +251,11 @@ static struct aer_rpc *aer_alloc_rpc(struct pcie_device *dev)
 	if (!rpc)
 		return NULL;
 
-	/*
-	 * Initialize Root lock access, e_lock, to Root Error Status Reg,
-	 * Root Error ID Reg, and Root error producer/consumer index.
-	 */
+	/* Initialize Root lock access, e_lock, to Root Error Status Reg */
 	spin_lock_init(&rpc->e_lock);
 
 	rpc->rpd = dev;
 	INIT_WORK(&rpc->dpc_handler, aer_isr);
-	rpc->prod_idx = rpc->cons_idx = 0;
 	mutex_init(&rpc->rpc_mutex);
 	init_waitqueue_head(&rpc->wait_release);
 
@@ -274,7 +270,7 @@ static struct aer_rpc *aer_alloc_rpc(struct pcie_device *dev)
  * @dev: pointer to the pcie_dev data structure
  *
  * Invoked when PCI Express bus unloads or AER probe fails.
- **/
+ */
 static void aer_remove(struct pcie_device *dev)
 {
 	struct aer_rpc *rpc = get_service_data(dev);
@@ -298,7 +294,7 @@ static void aer_remove(struct pcie_device *dev)
  * @id: pointer to the service id data structure
  *
  * Invoked when PCI Express bus loads AER service driver.
- **/
+ */
 static int __devinit aer_probe(struct pcie_device *dev)
 {
 	int status;
@@ -338,7 +334,7 @@ static int __devinit aer_probe(struct pcie_device *dev)
  * @dev: pointer to Root Port's pci_dev data structure
  *
  * Invoked by Port Bus driver when performing link reset at Root Port.
- **/
+ */
 static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
 {
 	u32 reg32;
@@ -372,7 +368,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
  * @error: error severity being notified by port bus
  *
  * Invoked by Port Bus driver during error recovery.
- **/
+ */
 static pci_ers_result_t aer_error_detected(struct pci_dev *dev,
 			enum pci_channel_state error)
 {
@@ -385,7 +381,7 @@ static pci_ers_result_t aer_error_detected(struct pci_dev *dev,
  * @dev: pointer to Root Port's pci_dev data structure
  *
  * Invoked by Port Bus driver during nonfatal recovery.
- **/
+ */
 static void aer_error_resume(struct pci_dev *dev)
 {
 	int pos;
@@ -412,7 +408,7 @@ static void aer_error_resume(struct pci_dev *dev)
  * aer_service_init - register AER root service driver
  *
  * Invoked when AER root service driver is loaded.
- **/
+ */
 static int __init aer_service_init(void)
 {
 	if (pcie_aer_disable)
@@ -426,7 +422,7 @@ static int __init aer_service_init(void)
  * aer_service_exit - unregister AER root service driver
  *
  * Invoked when AER root service driver is unloaded.
- **/
+ */
 static void __exit aer_service_exit(void)
 {
 	pcie_port_service_unregister(&aerdriver);

From caa5afbd4831c649b951ae1227a7985f47547e31 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Thu, 15 Apr 2010 13:23:17 +0900
Subject: [PATCH 1285/3638] PCI: aerdrv: trivial cleanup for aerdrv_core.c

Style cleanup for pci_{en,dis}able_pcie_error_reporting().

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index ce42cac99dd..df2d686fe3d 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -47,13 +47,12 @@ int pci_enable_pcie_error_reporting(struct pci_dev *dev)
 	if (!pos)
 		return -EIO;
 
-	pci_read_config_word(dev, pos+PCI_EXP_DEVCTL, &reg16);
-	reg16 = reg16 |
-		PCI_EXP_DEVCTL_CERE |
+	pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &reg16);
+	reg16 |= (PCI_EXP_DEVCTL_CERE |
 		PCI_EXP_DEVCTL_NFERE |
 		PCI_EXP_DEVCTL_FERE |
-		PCI_EXP_DEVCTL_URRE;
-	pci_write_config_word(dev, pos+PCI_EXP_DEVCTL, reg16);
+		PCI_EXP_DEVCTL_URRE);
+	pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, reg16);
 
 	return 0;
 }
@@ -71,12 +70,12 @@ int pci_disable_pcie_error_reporting(struct pci_dev *dev)
 	if (!pos)
 		return -EIO;
 
-	pci_read_config_word(dev, pos+PCI_EXP_DEVCTL, &reg16);
-	reg16 = reg16 & ~(PCI_EXP_DEVCTL_CERE |
-			PCI_EXP_DEVCTL_NFERE |
-			PCI_EXP_DEVCTL_FERE |
-			PCI_EXP_DEVCTL_URRE);
-	pci_write_config_word(dev, pos+PCI_EXP_DEVCTL, reg16);
+	pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &reg16);
+	reg16 &= ~(PCI_EXP_DEVCTL_CERE |
+		PCI_EXP_DEVCTL_NFERE |
+		PCI_EXP_DEVCTL_FERE |
+		PCI_EXP_DEVCTL_URRE);
+	pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, reg16);
 
 	return 0;
 }

From 33852cb03ee4cdb05dc6e3a21ec19a4ee63511a4 Mon Sep 17 00:00:00 2001
From: Seth Heasley <seth.heasley@intel.com>
Date: Thu, 25 Mar 2010 16:11:37 -0700
Subject: [PATCH 1286/3638] x86/PCI: irq and pci_ids patch for additional Intel
 Cougar Point DeviceIDs

This patch adds additional LPC Controller DeviceIDs for the Intel Cougar
Point PCH.

The DeviceIDs are defined and referenced as a range of values, the same
way Ibex Peak was implemented.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 arch/x86/pci/irq.c      | 9 +++++++--
 include/linux/pci_ids.h | 4 ++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 5d362b5ba06..9810a0f76c9 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -589,8 +589,6 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
 	case PCI_DEVICE_ID_INTEL_ICH10_1:
 	case PCI_DEVICE_ID_INTEL_ICH10_2:
 	case PCI_DEVICE_ID_INTEL_ICH10_3:
-	case PCI_DEVICE_ID_INTEL_CPT_LPC1:
-	case PCI_DEVICE_ID_INTEL_CPT_LPC2:
 		r->name = "PIIX/ICH";
 		r->get = pirq_piix_get;
 		r->set = pirq_piix_set;
@@ -605,6 +603,13 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
 		return 1;
 	}
 
+	if ((device >= PCI_DEVICE_ID_INTEL_CPT_LPC_MIN) && 
+		(device <= PCI_DEVICE_ID_INTEL_CPT_LPC_MAX)) {
+		r->name = "PIIX/ICH";
+		r->get = pirq_piix_get;
+		r->set = pirq_piix_set;
+		return 1;
+	}
 	return 0;
 }
 
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 9f688d243b8..ae66851870b 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2419,8 +2419,8 @@
 #define PCI_DEVICE_ID_INTEL_82845_HB	0x1a30
 #define PCI_DEVICE_ID_INTEL_IOAT	0x1a38
 #define PCI_DEVICE_ID_INTEL_CPT_SMBUS	0x1c22
-#define PCI_DEVICE_ID_INTEL_CPT_LPC1	0x1c42
-#define PCI_DEVICE_ID_INTEL_CPT_LPC2	0x1c43
+#define PCI_DEVICE_ID_INTEL_CPT_LPC_MIN	0x1c41
+#define PCI_DEVICE_ID_INTEL_CPT_LPC_MAX	0x1c5f
 #define PCI_DEVICE_ID_INTEL_82801AA_0	0x2410
 #define PCI_DEVICE_ID_INTEL_82801AA_1	0x2411
 #define PCI_DEVICE_ID_INTEL_82801AA_3	0x2413

From adaaa0c6ab89e82684389b80002bce893179cf2c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@web.de>
Date: Fri, 7 May 2010 21:47:06 +0200
Subject: [PATCH 1287/3638] Staging: batman-adv: only modify hna-table on
 active module
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

If we haven't set the module to MODULE_ACTIVE state before (in general,
no interface has yet been added to batman-adv) then the hna table is not
initialised yet. If the kernel changes the mac address of the bat0
interface at this moment then an hna_local_add() called by interface_set_mac_addr()
then resulted in a null pointer derefernce. With this patch we are now
explicitly checking before if the state is MODULE_ACTIVE right now so
that we can assume having an initialised hna table.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/soft-interface.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index 0e2307f3cb9..a42b21f4019 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -152,9 +152,13 @@ int interface_set_mac_addr(struct net_device *dev, void *p)
 	if (!is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
 
-	hna_local_remove(dev->dev_addr, "mac address changed");
+	/* only modify hna-table if it has been initialised before */
+	if (atomic_read(&module_state) == MODULE_ACTIVE) {
+		hna_local_remove(dev->dev_addr, "mac address changed");
+		hna_local_add(addr->sa_data);
+	}
+
 	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
-	hna_local_add(dev->dev_addr);
 
 	return 0;
 }

From f347b8736f176681fbfc666bf00165125a3274a5 Mon Sep 17 00:00:00 2001
From: Sven Eckelmann <sven.eckelmann@gmx.de>
Date: Fri, 7 May 2010 21:47:07 +0200
Subject: [PATCH 1288/3638] Staging: batman-adv: Clone shared bat packets
 before modifying them

"tcpdump" and "batctl td" will receive packets with a wrong sequence
number on systems with a different endianess than network byte order.
This happens due to the reordering of bytes in the function which
handles aggregated bat packets. The function which receives the bat
packets must ensure that these buffers aren't shared with anything else
before that function tries to write into it. Otherwise it has to copy
the buffers so it is save again to change them.

Reported-by: Kevin Steen <batman@kevinsteen.net>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/routing.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index d89048beebe..39dd093d7f2 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -549,6 +549,7 @@ int recv_bat_packet(struct sk_buff *skb,
 {
 	struct ethhdr *ethhdr;
 	unsigned long flags;
+	struct sk_buff *skb_old;
 
 	/* drop packet if it has not necessary minimum size */
 	if (skb_headlen(skb) < sizeof(struct batman_packet))
@@ -564,12 +565,19 @@ int recv_bat_packet(struct sk_buff *skb,
 	if (is_bcast(ethhdr->h_source))
 		return NET_RX_DROP;
 
-	spin_lock_irqsave(&orig_hash_lock, flags);
 	/* TODO: we use headlen instead of "length", because
 	 * only this data is paged in. */
-	/* TODO: is another skb_copy needed here? there will be
-	 * written on the data, but nobody (?) should further use
-	 * this data */
+
+	/* create a copy of the skb, if needed, to modify it. */
+	if (!skb_clone_writable(skb, skb_headlen(skb))) {
+		skb_old = skb;
+		skb = skb_copy(skb, GFP_ATOMIC);
+		if (!skb)
+			return NET_RX_DROP;
+		kfree_skb(skb_old);
+	}
+
+	spin_lock_irqsave(&orig_hash_lock, flags);
 	receive_aggr_bat_packet(ethhdr,
 				skb->data,
 				skb_headlen(skb),

From bd13b616aa9d082dce760759b7473da5ed399452 Mon Sep 17 00:00:00 2001
From: Marek Lindner <lindner_marek@yahoo.de>
Date: Fri, 7 May 2010 21:47:08 +0200
Subject: [PATCH 1289/3638] Staging: batman-adv: fix aggregation timing bug
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

batman-adv aggregates routing packets to reduce the number of packets in
the air. Every outgoing packet is compared with other packets in the
buffer to determine whether it can be aggregated or not. Packets sent
at a lower interval can be held back longer to maximize the aggregation.
Due to insufficient checking batman-adv held back all packets for a
certain time depending on its own lowest interval rate which slowed
down all other nodes.

Reported-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/aggregation.c | 12 ++++++++++++
 drivers/staging/batman-adv/send.c        | 10 +---------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c
index 7917322a7e2..d25e5a89dac 100644
--- a/drivers/staging/batman-adv/aggregation.c
+++ b/drivers/staging/batman-adv/aggregation.c
@@ -52,6 +52,8 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
 	 */
 
 	if (time_before(send_time, forw_packet->send_time) &&
+	    time_after_eq(send_time + msecs_to_jiffies(MAX_AGGREGATION_MS),
+					forw_packet->send_time) &&
 	    (aggregated_bytes <= MAX_AGGREGATION_BYTES)) {
 
 		/**
@@ -195,6 +197,16 @@ void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 	if (forw_packet_aggr == NULL) {
 		/* the following section can run without the lock */
 		spin_unlock_irqrestore(&forw_bat_list_lock, flags);
+
+		/**
+		 * if we could not aggregate this packet with one of the others
+		 * we hold it back for a while, so that it might be aggregated
+		 * later on
+		 */
+		if ((!own_packet) &&
+		    (atomic_read(&bat_priv->aggregation_enabled)))
+			send_time += msecs_to_jiffies(MAX_AGGREGATION_MS);
+
 		new_aggregated_packet(packet_buff, packet_len,
 				      send_time, direct_link,
 				      if_incoming, own_packet);
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index ff7b1f10684..d356ce7644a 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -46,15 +46,7 @@ static unsigned long own_send_time(void)
 /* when do we schedule a forwarded packet to be sent */
 static unsigned long forward_send_time(void)
 {
-	unsigned long send_time = jiffies; /* Starting now plus... */
-
-	if (atomic_read(&aggregation_enabled))
-		send_time += (((MAX_AGGREGATION_MS - (JITTER/2) +
-				(random32() % JITTER)) * HZ) / 1000);
-	else
-		send_time += (((random32() % (JITTER/2)) * HZ) / 1000);
-
-	return send_time;
+	return jiffies + (((random32() % (JITTER/2)) * HZ) / 1000);
 }
 
 /* send out an already prepared packet to the given address via the

From bdc0c7ebf770e21d024c2e94c3d578392b59c5b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@web.de>
Date: Fri, 7 May 2010 21:47:09 +0200
Subject: [PATCH 1290/3638] Staging: batman-adv: Fix aggregation direct-link
 bug
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

So far, neighbour's secondary interface OGMs can involuntarily
piggyback on primary interface OGMs that arrived on the same secondary
interface before. Secondary interface OGMs should NEVER leave their
direct neighbour broadcast domain! This patch ensures that secondary
interface OGMs can only be aggregated to other secondary interface OGMs.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/aggregation.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c
index d25e5a89dac..e1bd3218543 100644
--- a/drivers/staging/batman-adv/aggregation.c
+++ b/drivers/staging/batman-adv/aggregation.c
@@ -81,9 +81,15 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
 		 * interface only - we still can aggregate */
 		if ((directlink) &&
 		    (new_batman_packet->ttl == 1) &&
-		    (forw_packet->if_incoming == if_incoming))
-			return true;
+		    (forw_packet->if_incoming == if_incoming) &&
 
+		    /* packets from direct neighbors or
+		     * own secondary interface packets
+		     * (= secondary interface packets in general) */
+		    (batman_packet->flags & DIRECTLINK ||
+		     (forw_packet->own &&
+		      forw_packet->if_incoming->if_num != 0)))
+			return true;
 	}
 
 	return false;
@@ -204,7 +210,7 @@ void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 		 * later on
 		 */
 		if ((!own_packet) &&
-		    (atomic_read(&bat_priv->aggregation_enabled)))
+		    (atomic_read(&aggregation_enabled)))
 			send_time += msecs_to_jiffies(MAX_AGGREGATION_MS);
 
 		new_aggregated_packet(packet_buff, packet_len,

From 9b6d10b729276a27d7bd4ee364e6da1c1ce6c5c2 Mon Sep 17 00:00:00 2001
From: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Date: Fri, 7 May 2010 21:47:10 +0200
Subject: [PATCH 1291/3638] Staging: batman-adv: Update copyright years

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/Makefile            | 2 +-
 drivers/staging/batman-adv/aggregation.c       | 2 +-
 drivers/staging/batman-adv/aggregation.h       | 2 +-
 drivers/staging/batman-adv/bitarray.c          | 2 +-
 drivers/staging/batman-adv/bitarray.h          | 2 +-
 drivers/staging/batman-adv/device.c            | 2 +-
 drivers/staging/batman-adv/device.h            | 2 +-
 drivers/staging/batman-adv/hard-interface.c    | 2 +-
 drivers/staging/batman-adv/hard-interface.h    | 2 +-
 drivers/staging/batman-adv/hash.c              | 2 +-
 drivers/staging/batman-adv/hash.h              | 2 +-
 drivers/staging/batman-adv/main.c              | 2 +-
 drivers/staging/batman-adv/main.h              | 2 +-
 drivers/staging/batman-adv/originator.c        | 2 +-
 drivers/staging/batman-adv/originator.h        | 2 +-
 drivers/staging/batman-adv/packet.h            | 2 +-
 drivers/staging/batman-adv/proc.c              | 2 +-
 drivers/staging/batman-adv/proc.h              | 2 +-
 drivers/staging/batman-adv/ring_buffer.c       | 2 +-
 drivers/staging/batman-adv/ring_buffer.h       | 2 +-
 drivers/staging/batman-adv/routing.c           | 2 +-
 drivers/staging/batman-adv/routing.h           | 2 +-
 drivers/staging/batman-adv/send.c              | 2 +-
 drivers/staging/batman-adv/send.h              | 2 +-
 drivers/staging/batman-adv/soft-interface.c    | 2 +-
 drivers/staging/batman-adv/soft-interface.h    | 2 +-
 drivers/staging/batman-adv/translation-table.c | 2 +-
 drivers/staging/batman-adv/translation-table.h | 2 +-
 drivers/staging/batman-adv/types.h             | 2 +-
 drivers/staging/batman-adv/vis.c               | 2 +-
 drivers/staging/batman-adv/vis.h               | 2 +-
 31 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/drivers/staging/batman-adv/Makefile b/drivers/staging/batman-adv/Makefile
index 42b4e637026..cf2915de062 100644
--- a/drivers/staging/batman-adv/Makefile
+++ b/drivers/staging/batman-adv/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+# Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
 #
 # Marek Lindner, Simon Wunderlich
 #
diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c
index e1bd3218543..b8338ce23c8 100644
--- a/drivers/staging/batman-adv/aggregation.c
+++ b/drivers/staging/batman-adv/aggregation.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/aggregation.h b/drivers/staging/batman-adv/aggregation.h
index 6da8df9f99b..bcd32c1d69e 100644
--- a/drivers/staging/batman-adv/aggregation.h
+++ b/drivers/staging/batman-adv/aggregation.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/bitarray.c b/drivers/staging/batman-adv/bitarray.c
index 212eef93afe..7848305bd14 100644
--- a/drivers/staging/batman-adv/bitarray.c
+++ b/drivers/staging/batman-adv/bitarray.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2006-2010 B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/bitarray.h b/drivers/staging/batman-adv/bitarray.h
index ec72dd78436..76ad24c9f3d 100644
--- a/drivers/staging/batman-adv/bitarray.h
+++ b/drivers/staging/batman-adv/bitarray.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2006-2010 B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index 2f61500186f..c82a5afe8fa 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/device.h b/drivers/staging/batman-adv/device.h
index 46c0f449652..eb14b371cea 100644
--- a/drivers/staging/batman-adv/device.h
+++ b/drivers/staging/batman-adv/device.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c
index befd4883951..cb9e9272a79 100644
--- a/drivers/staging/batman-adv/hard-interface.c
+++ b/drivers/staging/batman-adv/hard-interface.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/hard-interface.h b/drivers/staging/batman-adv/hard-interface.h
index 97c6ecb9e08..4100a276c49 100644
--- a/drivers/staging/batman-adv/hard-interface.h
+++ b/drivers/staging/batman-adv/hard-interface.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/hash.c b/drivers/staging/batman-adv/hash.c
index 5a2018de3ff..d4a4adc5704 100644
--- a/drivers/staging/batman-adv/hash.c
+++ b/drivers/staging/batman-adv/hash.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2006-2010 B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/hash.h b/drivers/staging/batman-adv/hash.h
index a70d6d6e1c7..ea6d21e0125 100644
--- a/drivers/staging/batman-adv/hash.h
+++ b/drivers/staging/batman-adv/hash.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2006-2010 B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index 2e0b482e710..a051568efff 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 2e9bb891a5d..c943e89f78e 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 29c241119a3..2ce13499546 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2009-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/originator.h b/drivers/staging/batman-adv/originator.h
index 6ef7a054a0a..8acebc1e70e 100644
--- a/drivers/staging/batman-adv/originator.h
+++ b/drivers/staging/batman-adv/originator.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/packet.h b/drivers/staging/batman-adv/packet.h
index ad006ce8b13..152f57b1c6c 100644
--- a/drivers/staging/batman-adv/packet.h
+++ b/drivers/staging/batman-adv/packet.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c
index c9366bcbb36..dfa85c49437 100644
--- a/drivers/staging/batman-adv/proc.c
+++ b/drivers/staging/batman-adv/proc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/proc.h b/drivers/staging/batman-adv/proc.h
index cd690e0f3e4..cf712648ca5 100644
--- a/drivers/staging/batman-adv/proc.h
+++ b/drivers/staging/batman-adv/proc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/ring_buffer.c b/drivers/staging/batman-adv/ring_buffer.c
index 751c899f54c..defd37c9be1 100644
--- a/drivers/staging/batman-adv/ring_buffer.c
+++ b/drivers/staging/batman-adv/ring_buffer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/ring_buffer.h b/drivers/staging/batman-adv/ring_buffer.h
index 6839ba97eeb..b8c9456558b 100644
--- a/drivers/staging/batman-adv/ring_buffer.h
+++ b/drivers/staging/batman-adv/ring_buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index 39dd093d7f2..b83e5cb2f94 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/routing.h b/drivers/staging/batman-adv/routing.h
index 939b8d4f733..8288decea37 100644
--- a/drivers/staging/batman-adv/routing.h
+++ b/drivers/staging/batman-adv/routing.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index d356ce7644a..88ecb5c76c2 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/send.h b/drivers/staging/batman-adv/send.h
index 5fc6f3417cb..b2ddf631fb5 100644
--- a/drivers/staging/batman-adv/send.h
+++ b/drivers/staging/batman-adv/send.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index a42b21f4019..0dff959050b 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/soft-interface.h b/drivers/staging/batman-adv/soft-interface.h
index c0cad8134b2..e7f59af7df3 100644
--- a/drivers/staging/batman-adv/soft-interface.h
+++ b/drivers/staging/batman-adv/soft-interface.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner
  *
diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c
index d56f6654de0..e446d907a72 100644
--- a/drivers/staging/batman-adv/translation-table.c
+++ b/drivers/staging/batman-adv/translation-table.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/translation-table.h b/drivers/staging/batman-adv/translation-table.h
index 281125b729f..8568d80df36 100644
--- a/drivers/staging/batman-adv/translation-table.h
+++ b/drivers/staging/batman-adv/translation-table.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index dec1b54031b..4e77141078f 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index 28eac7e0523..0bfc083a423 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2008-2010 B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/drivers/staging/batman-adv/vis.h b/drivers/staging/batman-adv/vis.h
index a1f92a4b101..98d89723160 100644
--- a/drivers/staging/batman-adv/vis.h
+++ b/drivers/staging/batman-adv/vis.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008-2009 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2008-2010 B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *

From b7473a38b6de6b5eda0ddbb08220f68064b47e06 Mon Sep 17 00:00:00 2001
From: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Date: Fri, 7 May 2010 21:47:11 +0200
Subject: [PATCH 1292/3638] Staging: batman-adv: remove the beta from main.h
 for release

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/main.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index c943e89f78e..5fdf5afd820 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -26,7 +26,7 @@
 #define DRIVER_DESC   "B.A.T.M.A.N. advanced"
 #define DRIVER_DEVICE "batman-adv"
 
-#define SOURCE_VERSION "0.2.1-beta"
+#define SOURCE_VERSION "0.2.1"
 
 
 /* B.A.T.M.A.N. parameters */

From 76cb4e20610a1de80fa303aaf5507a8393f927de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@web.de>
Date: Fri, 7 May 2010 21:47:12 +0200
Subject: [PATCH 1293/3638] Staging: batman-adv: Remove dead max addr and
 obsolete VIS_FORMAT strings
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Max address is not being used anywhere and just misleading, therefore
removing it. VIS_FORMAT string is now obsolete, so also remove it.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/main.h | 2 --
 drivers/staging/batman-adv/vis.h  | 2 --
 2 files changed, 4 deletions(-)

diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 5fdf5afd820..2494f5a97ad 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -34,8 +34,6 @@
 #define TQ_MAX_VALUE 255
 #define JITTER 20
 #define TTL 50			  /* Time To Live of broadcast messages */
-#define MAX_ADDR 16		  /* number of interfaces which can be added to
-				   * batman. */
 
 #define PURGE_TIMEOUT 200000	  /* purge originators after time in ms if no
 				   * valid packet comes in -> TODO: check
diff --git a/drivers/staging/batman-adv/vis.h b/drivers/staging/batman-adv/vis.h
index 98d89723160..4e417fb17b9 100644
--- a/drivers/staging/batman-adv/vis.h
+++ b/drivers/staging/batman-adv/vis.h
@@ -20,8 +20,6 @@
  */
 
 #define VIS_TIMEOUT		200000
-#define VIS_FORMAT_DD_NAME	"dot_draw"
-#define VIS_FORMAT_JSON_NAME	"json"
 
 struct vis_info {
 	unsigned long       first_seen;

From 7742361422e5ae58e0400cf79758aefe96da51e1 Mon Sep 17 00:00:00 2001
From: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Date: Fri, 7 May 2010 21:47:13 +0200
Subject: [PATCH 1294/3638] Staging: batman-adv: Add 0.2.1 changes to the
 CHANGELOG

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/CHANGELOG | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/staging/batman-adv/CHANGELOG b/drivers/staging/batman-adv/CHANGELOG
index 8a181639cea..c8f9d9e06bb 100644
--- a/drivers/staging/batman-adv/CHANGELOG
+++ b/drivers/staging/batman-adv/CHANGELOG
@@ -1,3 +1,17 @@
+batman-adv 0.2.1:
+
+* support latest kernels (2.6.20 - 2.6.33)
+* receive packets directly using skbs, remove old sockets and threads
+* fix various regressions in the vis server
+* don't disable interrupts while sending
+* replace internal logging mechanism with standard kernel logging
+* move vis formats into userland, one general format remains in the kernel
+* allow MAC address to be set, correctly initialize them
+* code refactoring and cleaning for coding style
+* many bugs (null pointers, locking, hash iterators) squashed
+
+ -- Sun, 21 Mar 2010 20:46:47 +0100
+
 batman-adv 0.2:
 
 * support latest kernels (2.6.20 - 2.6.31)

From 43fb98fb2125dbf49f66e7ead31885311c670d14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@web.de>
Date: Fri, 7 May 2010 21:47:14 +0200
Subject: [PATCH 1295/3638] Staging: batman-adv: Update README about vis raw
 output
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

We are now having a newer, more neutral vis output so that we won't have
to change the kernelmodule for adding support of new vis output formats.
This patch adds an explanation about this in the README file of
batman-adv and removes the description about the dot/json format (they
will be added to the README of batctl).

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/README | 32 +++++++++++++++++++++++++------
 1 file changed, 26 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/batman-adv/README b/drivers/staging/batman-adv/README
index 7d666ad0435..e2a72718f3f 100644
--- a/drivers/staging/batman-adv/README
+++ b/drivers/staging/batman-adv/README
@@ -1,4 +1,4 @@
-[state: 06-01-2010]
+[state: 22-03-2010]
 
 BATMAN-ADV
 ----------
@@ -44,10 +44,11 @@ regular interface:
 # ping 192.168.0.2
 ...
 
+---
 If you want topology visualization, your meshnode must be configured
 as VIS-server:
 
-# echo "server" > /proc/net/batman-adv/vis
+# echo "server" > /proc/net/batman-adv/vis_server
 
 Each node is either configured as "server" or as "client" (default:
 "client"). Clients send their topology data to the server next to them,
@@ -58,12 +59,31 @@ more vis servers sharing the same (or at least very similar) data.
 
 When configured as server, you can get a topology snapshot of your mesh:
 
-# cat /proc/net/batman-adv/vis
+# cat /proc/net/batman-adv/vis_data
 
-The output is in a generic raw format. Use the batctl tool (See below)
-to convert this to other formats more suitable for graphing, eg
-graphviz dot, or JSON data-interchange format.
+This raw output is intended to be easily parsable and convertable with
+other tools. Have a look at the batctl README if you want a vis output
+in dot or json format for instance and how those outputs could then be
+visualised in an image.
 
+The raw format consists of comma seperated values per entry where each
+entry is giving information about a certain source interface. Each entry
+can/has to have the following values:
+-> "mac" -> mac address of an originator's source interface
+           (each line begins with it)
+-> "TQ mac value" -> src mac's link quality towards mac address of a neighbor
+                     originator's interface which is being used for routing
+-> "HNA mac" -> HNA announced by source mac
+-> "PRIMARY" -> this is a primary interface
+-> "SEC mac" -> secondary mac address of source (requires preceeding
+-> PRIMARY)
+
+The TQ value has a range from 4 to 255 with 255 being the best.
+The HNA entries are showing which hosts are connected to the mesh via bat0
+or being bridged into the mesh network.
+The PRIMARY/SEC values are only applied on primary interfaces
+
+---
 In very mobile scenarios, you might want to adjust the originator
 interval to a lower value. This will make the mesh more responsive to
 topology changes, but will also increase the overhead. Please make sure

From 56c341d7af78f6766238725f79a1773aca942795 Mon Sep 17 00:00:00 2001
From: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Date: Fri, 7 May 2010 21:47:15 +0200
Subject: [PATCH 1296/3638] Staging: batman-adv: Changing version to 0.2.2-beta

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/main.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 2494f5a97ad..6221b859387 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -26,7 +26,7 @@
 #define DRIVER_DESC   "B.A.T.M.A.N. advanced"
 #define DRIVER_DEVICE "batman-adv"
 
-#define SOURCE_VERSION "0.2.1"
+#define SOURCE_VERSION "0.2.2-beta"
 
 
 /* B.A.T.M.A.N. parameters */

From db315014ff8148e73d10e927d14c962d2cabd370 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 21:47:16 +0200
Subject: [PATCH 1297/3638] Staging: batman-adv: cleanup: change test for end
 of array

The code here is testing to see if "i" is passed the end of the array.
The original code works probably, but it's not the cleanest way.

Andrew Lunn suggested that I also remove all the hard coded references
to 256 so I have done that as well.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/device.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index c82a5afe8fa..fbfe234104d 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -44,10 +44,7 @@ static struct device_client *device_client_hash[256];
 
 void bat_device_init(void)
 {
-	int i;
-
-	for (i = 0; i < 256; i++)
-		device_client_hash[i] = NULL;
+	memset(device_client_hash, 0, sizeof(device_client_hash));
 }
 
 int bat_device_setup(void)
@@ -103,15 +100,15 @@ int bat_device_open(struct inode *inode, struct file *file)
 	if (!device_client)
 		return -ENOMEM;
 
-	for (i = 0; i < 256; i++) {
+	for (i = 0; i < ARRAY_SIZE(device_client_hash); i++) {
 		if (!device_client_hash[i]) {
 			device_client_hash[i] = device_client;
 			break;
 		}
 	}
 
-	if (device_client_hash[i] != device_client) {
-		printk(KERN_ERR "batman-adv:Error - can't add another packet client: maximum number of clients reached \n");
+	if (i == ARRAY_SIZE(device_client_hash)) {
+		printk(KERN_ERR "batman-adv:Error - can't add another packet client: maximum number of clients reached\n");
 		kfree(device_client);
 		return -EXFULL;
 	}

From 0887635b26e0cb6369c0438e55d9323d3aef3f69 Mon Sep 17 00:00:00 2001
From: Luis de Bethencourt <luisbg@ubuntu.com>
Date: Fri, 7 May 2010 21:47:17 +0200
Subject: [PATCH 1298/3638] Staging: batman-adv: fix whitespace style issues

This patch fixes the 31 unnecessary whitespaces before a quoted
newline that the batman-adv files had.

Signed-off-by: Luis de Bethencourt <luisbg@ubuntu.com>
[sven.eckelmann@gmx.de: Redone to apply against current version]
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/device.c            |  2 +-
 drivers/staging/batman-adv/main.c              |  2 +-
 drivers/staging/batman-adv/originator.c        |  4 ++--
 drivers/staging/batman-adv/routing.c           | 18 +++++++++---------
 drivers/staging/batman-adv/send.c              |  4 ++--
 drivers/staging/batman-adv/translation-table.c | 14 +++++++-------
 6 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index fbfe234104d..9887f05925e 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -65,7 +65,7 @@ int bat_device_setup(void)
 	batman_class = class_create(THIS_MODULE, "batman-adv");
 
 	if (IS_ERR(batman_class)) {
-		printk(KERN_ERR "batman-adv:Could not register class 'batman-adv' \n");
+		printk(KERN_ERR "batman-adv:Could not register class 'batman-adv'\n");
 		return 0;
 	}
 
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index a051568efff..881aaa9811a 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -119,7 +119,7 @@ int init_module(void)
 	register_netdevice_notifier(&hard_if_notifier);
 	dev_add_pack(&batman_adv_packet_type);
 
-	printk(KERN_INFO "batman-adv:B.A.T.M.A.N. advanced %s%s (compatibility version %i) loaded \n",
+	printk(KERN_INFO "batman-adv:B.A.T.M.A.N. advanced %s%s (compatibility version %i) loaded\n",
 		  SOURCE_VERSION, REVISION_VERSION_STR, COMPAT_VERSION);
 
 	return 0;
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 2ce13499546..f3d8cc33011 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -126,7 +126,7 @@ struct orig_node *get_orig_node(uint8_t *addr)
 	if (orig_node != NULL)
 		return orig_node;
 
-	bat_dbg(DBG_BATMAN, "Creating new originator: %pM \n", addr);
+	bat_dbg(DBG_BATMAN, "Creating new originator: %pM\n", addr);
 
 	orig_node = kzalloc(sizeof(struct orig_node), GFP_ATOMIC);
 	if (!orig_node)
@@ -158,7 +158,7 @@ struct orig_node *get_orig_node(uint8_t *addr)
 
 		if (swaphash == NULL)
 			printk(KERN_ERR
-			       "batman-adv:Couldn't resize orig hash table \n");
+			       "batman-adv:Couldn't resize orig hash table\n");
 		else
 			orig_hash = swaphash;
 	}
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index b83e5cb2f94..a78ae5c4dcb 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -212,7 +212,7 @@ static int isBidirectionalNeigh(struct orig_node *orig_node,
 			      orig_neigh_node->tq_asym_penalty) /
 			     (TQ_MAX_VALUE *	 TQ_MAX_VALUE));
 
-	bat_dbg(DBG_BATMAN, "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i \n",
+	bat_dbg(DBG_BATMAN, "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n",
 		orig_node->orig, orig_neigh_node->orig, total_count,
 		neigh_node->real_packet_count, orig_neigh_node->tq_own,
 		orig_neigh_node->tq_asym_penalty, batman_packet->tq);
@@ -234,7 +234,7 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr,
 	struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
 	int tmp_hna_buff_len;
 
-	bat_dbg(DBG_BATMAN, "update_originator(): Searching and updating originator entry of received packet \n");
+	bat_dbg(DBG_BATMAN, "update_originator(): Searching and updating originator entry of received packet\n");
 
 	list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
 		if (compare_orig(tmp_neigh_node->addr, ethhdr->h_source) &&
@@ -341,7 +341,7 @@ static char count_real_packets(struct ethhdr *ethhdr,
 	}
 
 	if (!is_duplicate) {
-		bat_dbg(DBG_BATMAN, "updating last_seqno: old %d, new %d \n",
+		bat_dbg(DBG_BATMAN, "updating last_seqno: old %d, new %d\n",
 			orig_node->last_real_seqno, batman_packet->seqno);
 		orig_node->last_real_seqno = batman_packet->seqno;
 	}
@@ -385,7 +385,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 	is_single_hop_neigh = (compare_orig(ethhdr->h_source,
 					    batman_packet->orig) ? 1 : 0);
 
-	bat_dbg(DBG_BATMAN, "Received BATMAN packet via NB: %pM, IF: %s [%s] (from OG: %pM, via prev OG: %pM, seqno %d, tq %d, TTL %d, V %d, IDF %d) \n",
+	bat_dbg(DBG_BATMAN, "Received BATMAN packet via NB: %pM, IF: %s [%s] (from OG: %pM, via prev OG: %pM, seqno %d, tq %d, TTL %d, V %d, IDF %d)\n",
 		ethhdr->h_source, if_incoming->dev, if_incoming->addr_str,
 		batman_packet->orig, batman_packet->prev_sender,
 		batman_packet->seqno, batman_packet->tq, batman_packet->ttl,
@@ -426,7 +426,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 	}
 
 	if (is_broadcast) {
-		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all packets with broadcast source addr (sender: %pM) \n", ethhdr->h_source);
+		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all packets with broadcast source addr (sender: %pM)\n", ethhdr->h_source);
 		return;
 	}
 
@@ -454,19 +454,19 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 				bit_packet_count(word);
 		}
 
-		bat_dbg(DBG_BATMAN, "Drop packet: originator packet from myself (via neighbor) \n");
+		bat_dbg(DBG_BATMAN, "Drop packet: originator packet from myself (via neighbor)\n");
 		return;
 	}
 
 	if (batman_packet->tq == 0) {
 		count_real_packets(ethhdr, batman_packet, if_incoming);
 
-		bat_dbg(DBG_BATMAN, "Drop packet: originator packet with tq equal 0 \n");
+		bat_dbg(DBG_BATMAN, "Drop packet: originator packet with tq equal 0\n");
 		return;
 	}
 
 	if (is_my_oldorig) {
-		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast echos (sender: %pM) \n", ethhdr->h_source);
+		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n", ethhdr->h_source);
 		return;
 	}
 
@@ -484,7 +484,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 	    !(compare_orig(batman_packet->orig, batman_packet->prev_sender)) &&
 	    (compare_orig(orig_node->router->addr,
 			  orig_node->router->orig_node->router->addr))) {
-		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM) \n", ethhdr->h_source);
+		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n", ethhdr->h_source);
 		return;
 	}
 
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index 88ecb5c76c2..29b684ba4ea 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -290,7 +290,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
 	unsigned long send_time;
 
 	if (batman_packet->ttl <= 1) {
-		bat_dbg(DBG_BATMAN, "ttl exceeded \n");
+		bat_dbg(DBG_BATMAN, "ttl exceeded\n");
 		return;
 	}
 
@@ -318,7 +318,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
 	/* apply hop penalty */
 	batman_packet->tq = hop_penalty(batman_packet->tq);
 
-	bat_dbg(DBG_BATMAN, "Forwarding packet: tq_orig: %i, tq_avg: %i, tq_forw: %i, ttl_orig: %i, ttl_forw: %i \n",
+	bat_dbg(DBG_BATMAN, "Forwarding packet: tq_orig: %i, tq_avg: %i, tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n",
 		in_tq, tq_avg, batman_packet->tq, in_ttl - 1,
 		batman_packet->ttl);
 
diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c
index e446d907a72..5537846aded 100644
--- a/drivers/staging/batman-adv/translation-table.c
+++ b/drivers/staging/batman-adv/translation-table.c
@@ -77,11 +77,11 @@ void hna_local_add(uint8_t *addr)
 	   MAC-flooding. */
 	if ((num_hna + 1 > (ETH_DATA_LEN - BAT_PACKET_LEN) / ETH_ALEN) ||
 	    (num_hna + 1 > 255)) {
-		bat_dbg(DBG_ROUTES, "Can't add new local hna entry (%pM): number of local hna entries exceeds packet size \n", addr);
+		bat_dbg(DBG_ROUTES, "Can't add new local hna entry (%pM): number of local hna entries exceeds packet size\n", addr);
 		return;
 	}
 
-	bat_dbg(DBG_ROUTES, "Creating new local hna entry: %pM \n",
+	bat_dbg(DBG_ROUTES, "Creating new local hna entry: %pM\n",
 		addr);
 
 	hna_local_entry = kmalloc(sizeof(struct hna_local_entry), GFP_ATOMIC);
@@ -108,7 +108,7 @@ void hna_local_add(uint8_t *addr)
 				       hna_local_hash->size * 2);
 
 		if (swaphash == NULL)
-			printk(KERN_ERR "batman-adv:Couldn't resize local hna hash table \n");
+			printk(KERN_ERR "batman-adv:Couldn't resize local hna hash table\n");
 		else
 			hna_local_hash = swaphash;
 	}
@@ -197,7 +197,7 @@ static void _hna_local_del(void *data)
 static void hna_local_del(struct hna_local_entry *hna_local_entry,
 			  char *message)
 {
-	bat_dbg(DBG_ROUTES, "Deleting local hna entry (%pM): %s \n",
+	bat_dbg(DBG_ROUTES, "Deleting local hna entry (%pM): %s\n",
 		hna_local_entry->addr, message);
 
 	hash_remove(hna_local_hash, hna_local_entry->addr);
@@ -340,7 +340,7 @@ void hna_global_add_orig(struct orig_node *orig_node,
 				       hna_global_hash->size * 2);
 
 		if (swaphash == NULL)
-			printk(KERN_ERR "batman-adv:Couldn't resize global hna hash table \n");
+			printk(KERN_ERR "batman-adv:Couldn't resize global hna hash table\n");
 		else
 			hna_global_hash = swaphash;
 	}
@@ -365,7 +365,7 @@ int hna_global_fill_buffer_text(unsigned char *buff, int buff_len)
 
 		bytes_written += snprintf(buff + bytes_written,
 					  (2 * ETH_STR_LEN) + 10,
-					  " * %02x:%02x:%02x:%02x:%02x:%02x via %02x:%02x:%02x:%02x:%02x:%02x \n",
+					  " * %02x:%02x:%02x:%02x:%02x:%02x via %02x:%02x:%02x:%02x:%02x:%02x\n",
 					  hna_global_entry->addr[0],
 					  hna_global_entry->addr[1],
 					  hna_global_entry->addr[2],
@@ -388,7 +388,7 @@ int hna_global_fill_buffer_text(unsigned char *buff, int buff_len)
 void _hna_global_del_orig(struct hna_global_entry *hna_global_entry,
 			  char *message)
 {
-	bat_dbg(DBG_ROUTES, "Deleting global hna entry %pM (via %pM): %s \n",
+	bat_dbg(DBG_ROUTES, "Deleting global hna entry %pM (via %pM): %s\n",
 		hna_global_entry->addr, hna_global_entry->orig_node->orig,
 		message);
 

From 47fdf097c348673dced571da8a15939005219da0 Mon Sep 17 00:00:00 2001
From: Marek Lindner <lindner_marek@yahoo.de>
Date: Fri, 7 May 2010 21:47:18 +0200
Subject: [PATCH 1299/3638] Staging: batman-adv: convert multiple /proc files
 to use sysfs

This is the first patch in a series of patches which aim to convert
all batman-adv /proc files to sysfs. To keep the changes in a
digestable size it has been split up into smaller chunks. During
the transition period batman-adv will use /proc as well as sysfs.

As a first step the following files have been converted:
aggregate_ogm, originators, transtable_global, transtable_local

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/Makefile           |   2 +-
 drivers/staging/batman-adv/aggregation.c      |   7 +-
 drivers/staging/batman-adv/aggregation.h      |   3 +-
 drivers/staging/batman-adv/bat_sysfs.c        | 272 +++++++++++++++++
 drivers/staging/batman-adv/bat_sysfs.h        |  26 ++
 drivers/staging/batman-adv/main.c             |  11 +-
 drivers/staging/batman-adv/main.h             |   1 -
 drivers/staging/batman-adv/originator.c       |  73 +++++
 drivers/staging/batman-adv/originator.h       |   2 +-
 drivers/staging/batman-adv/proc.c             | 279 +-----------------
 drivers/staging/batman-adv/proc.h             |   4 -
 drivers/staging/batman-adv/send.c             |  15 +-
 .../staging/batman-adv/translation-table.c    |  42 ++-
 .../staging/batman-adv/translation-table.h    |   6 +-
 drivers/staging/batman-adv/types.h            |   2 +
 15 files changed, 439 insertions(+), 306 deletions(-)
 create mode 100644 drivers/staging/batman-adv/bat_sysfs.c
 create mode 100644 drivers/staging/batman-adv/bat_sysfs.h

diff --git a/drivers/staging/batman-adv/Makefile b/drivers/staging/batman-adv/Makefile
index cf2915de062..9ad04299161 100644
--- a/drivers/staging/batman-adv/Makefile
+++ b/drivers/staging/batman-adv/Makefile
@@ -19,4 +19,4 @@
 #
 
 obj-m += batman-adv.o
-batman-adv-objs := main.o proc.o send.o routing.o soft-interface.o device.o translation-table.o bitarray.o hash.o ring_buffer.o vis.o hard-interface.o aggregation.o originator.o
+batman-adv-objs := main.o proc.o send.o routing.o soft-interface.o device.o translation-table.o bitarray.o hash.o ring_buffer.o vis.o hard-interface.o aggregation.o originator.o bat_sysfs.o
diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c
index b8338ce23c8..c9468390878 100644
--- a/drivers/staging/batman-adv/aggregation.c
+++ b/drivers/staging/batman-adv/aggregation.c
@@ -167,7 +167,8 @@ static void aggregate(struct forw_packet *forw_packet_aggr,
 
 void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 			    struct batman_if *if_incoming, char own_packet,
-			    unsigned long send_time)
+			    unsigned long send_time,
+			    struct bat_priv *bat_priv)
 {
 	/**
 	 * _aggr -> pointer to the packet we want to aggregate with
@@ -183,7 +184,7 @@ void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 	/* find position for the packet in the forward queue */
 	spin_lock_irqsave(&forw_bat_list_lock, flags);
 	/* own packets are not to be aggregated */
-	if ((atomic_read(&aggregation_enabled)) && (!own_packet)) {
+	if ((atomic_read(&bat_priv->aggregation_enabled)) && (!own_packet)) {
 		hlist_for_each_entry(forw_packet_pos, tmp_node, &forw_bat_list,
 				     list) {
 			if (can_aggregate_with(batman_packet,
@@ -210,7 +211,7 @@ void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 		 * later on
 		 */
 		if ((!own_packet) &&
-		    (atomic_read(&aggregation_enabled)))
+		    (atomic_read(&bat_priv->aggregation_enabled)))
 			send_time += msecs_to_jiffies(MAX_AGGREGATION_MS);
 
 		new_aggregated_packet(packet_buff, packet_len,
diff --git a/drivers/staging/batman-adv/aggregation.h b/drivers/staging/batman-adv/aggregation.h
index bcd32c1d69e..29e1ffcbc7f 100644
--- a/drivers/staging/batman-adv/aggregation.h
+++ b/drivers/staging/batman-adv/aggregation.h
@@ -32,6 +32,7 @@ static inline int aggregated_packet(int buff_pos, int packet_len, int num_hna)
 
 void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 			    struct batman_if *if_outgoing, char own_packet,
-			    unsigned long send_time);
+			    unsigned long send_time,
+			    struct bat_priv *bat_priv);
 void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
 			     int packet_len, struct batman_if *if_incoming);
diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c
new file mode 100644
index 00000000000..62931186ff3
--- /dev/null
+++ b/drivers/staging/batman-adv/bat_sysfs.c
@@ -0,0 +1,272 @@
+/*
+ * Copyright (C) 2010 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ */
+
+#include "main.h"
+#include "bat_sysfs.h"
+#include "translation-table.h"
+#include "originator.h"
+#include "hard-interface.h"
+
+#define to_dev(obj)     container_of(obj, struct device, kobj)
+
+struct bat_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
+			char *buf);
+	ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
+			 char *buf, size_t count);
+};
+
+#define BAT_ATTR(_name, _mode, _show, _store)	\
+struct bat_attribute bat_attr_##_name = {	\
+	.attr = {.name = __stringify(_name),	\
+		 .mode = _mode },		\
+	.show   = _show,			\
+	.store  = _store,			\
+};
+
+#define BAT_BIN_ATTR(_name, _mode, _read, _write)	\
+struct bin_attribute bat_attr_##_name = {		\
+	.attr = { .name = __stringify(_name),		\
+		  .mode = _mode, },			\
+	.read = _read,					\
+	.write = _write,				\
+};
+
+static ssize_t show_aggr_ogm(struct kobject *kobj, struct attribute *attr,
+			     char *buff)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
+	int aggr_status = atomic_read(&bat_priv->aggregation_enabled);
+
+	return sprintf(buff, "status: %s\ncommands: enable, disable, 0, 1 \n",
+		       aggr_status == 0 ? "disabled" : "enabled");
+}
+
+static ssize_t store_aggr_ogm(struct kobject *kobj, struct attribute *attr,
+			      char *buff, size_t count)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+	struct bat_priv *bat_priv = netdev_priv(net_dev);
+	int aggr_tmp = -1;
+
+	if (((count == 2) && (buff[0] == '1')) ||
+	    (strncmp(buff, "enable", 6) == 0))
+		aggr_tmp = 1;
+
+	if (((count == 2) && (buff[0] == '0')) ||
+	    (strncmp(buff, "disable", 7) == 0))
+		aggr_tmp = 0;
+
+	if (aggr_tmp < 0) {
+		if (buff[count - 1] == '\n')
+			buff[count - 1] = '\0';
+
+		printk(KERN_INFO "batman-adv:Invalid parameter for 'aggregate OGM' setting on mesh %s received: %s\n",
+		       net_dev->name, buff);
+		return -EINVAL;
+	}
+
+	if (atomic_read(&bat_priv->aggregation_enabled) == aggr_tmp)
+		return count;
+
+	printk(KERN_INFO "batman-adv:Changing aggregation from: %s to: %s on mesh: %s\n",
+	       atomic_read(&bat_priv->aggregation_enabled) == 1 ?
+	       "enabled" : "disabled", aggr_tmp == 1 ? "enabled" : "disabled",
+	       net_dev->name);
+
+	atomic_set(&bat_priv->aggregation_enabled, (unsigned)aggr_tmp);
+	return count;
+}
+
+static BAT_ATTR(aggregate_ogm, S_IRUGO | S_IWUSR,
+		show_aggr_ogm, store_aggr_ogm);
+
+static struct bat_attribute *mesh_attrs[] = {
+	&bat_attr_aggregate_ogm,
+	NULL,
+};
+
+static ssize_t transtable_local_read(struct kobject *kobj,
+			       struct bin_attribute *bin_attr,
+			       char *buff, loff_t off, size_t count)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+
+	rcu_read_lock();
+	if (list_empty(&if_list)) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+				       net_dev->name);
+
+		return 0;
+	}
+	rcu_read_unlock();
+
+	return hna_local_fill_buffer_text(net_dev, buff, count, off);
+}
+
+static ssize_t transtable_global_read(struct kobject *kobj,
+			       struct bin_attribute *bin_attr,
+			       char *buff, loff_t off, size_t count)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+
+	rcu_read_lock();
+	if (list_empty(&if_list)) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+				       net_dev->name);
+
+		return 0;
+	}
+	rcu_read_unlock();
+
+	return hna_global_fill_buffer_text(net_dev, buff, count, off);
+}
+
+static ssize_t originators_read(struct kobject *kobj,
+			       struct bin_attribute *bin_attr,
+			       char *buff, loff_t off, size_t count)
+{
+	/* FIXME: orig table should exist per batif */
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+
+	rcu_read_lock();
+	if (list_empty(&if_list)) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+				       net_dev->name);
+
+		return 0;
+	}
+
+	if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - primary interface not active\n",
+				       net_dev->name);
+
+		return 0;
+	}
+	rcu_read_unlock();
+
+	return orig_fill_buffer_text(buff, count, off);
+}
+
+static BAT_BIN_ATTR(transtable_local, S_IRUGO, transtable_local_read, NULL);
+static BAT_BIN_ATTR(transtable_global, S_IRUGO, transtable_global_read, NULL);
+static BAT_BIN_ATTR(originators, S_IRUGO, originators_read, NULL);
+
+static struct bin_attribute *mesh_bin_attrs[] = {
+	&bat_attr_transtable_local,
+	&bat_attr_transtable_global,
+	&bat_attr_originators,
+	NULL,
+};
+
+int sysfs_add_meshif(struct net_device *dev)
+{
+	struct kobject *batif_kobject = &dev->dev.kobj;
+	struct bat_priv *bat_priv = netdev_priv(dev);
+	struct bat_attribute **bat_attr;
+	struct bin_attribute **bin_attr;
+	int err;
+
+	/* FIXME: should be done in the general mesh setup
+		  routine as soon as we have it */
+	atomic_set(&bat_priv->aggregation_enabled, 1);
+
+	bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
+						    batif_kobject);
+	if (!bat_priv->mesh_obj) {
+		printk(KERN_ERR "batman-adv:Can't add sysfs directory: %s/%s\n",
+		       dev->name, SYSFS_IF_MESH_SUBDIR);
+		goto out;
+	}
+
+	for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) {
+		err = sysfs_create_file(bat_priv->mesh_obj,
+					&((*bat_attr)->attr));
+		if (err) {
+			printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
+			       dev->name, SYSFS_IF_MESH_SUBDIR,
+			       ((*bat_attr)->attr).name);
+			goto rem_attr;
+		}
+	}
+
+	for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr) {
+		err = sysfs_create_bin_file(bat_priv->mesh_obj, (*bin_attr));
+		if (err) {
+			printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
+			       dev->name, SYSFS_IF_MESH_SUBDIR,
+			       ((*bin_attr)->attr).name);
+			goto rem_bin_attr;
+		}
+	}
+
+	return 0;
+
+rem_bin_attr:
+	for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr)
+		sysfs_remove_bin_file(bat_priv->mesh_obj, (*bin_attr));
+rem_attr:
+	for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
+		sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
+
+	kobject_put(bat_priv->mesh_obj);
+	bat_priv->mesh_obj = NULL;
+out:
+	return -ENOMEM;
+}
+
+void sysfs_del_meshif(struct net_device *dev)
+{
+	struct bat_priv *bat_priv = netdev_priv(dev);
+	struct bat_attribute **bat_attr;
+	struct bin_attribute **bin_attr;
+
+	for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr)
+		sysfs_remove_bin_file(bat_priv->mesh_obj, (*bin_attr));
+
+	for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
+		sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
+
+	kobject_put(bat_priv->mesh_obj);
+	bat_priv->mesh_obj = NULL;
+}
diff --git a/drivers/staging/batman-adv/bat_sysfs.h b/drivers/staging/batman-adv/bat_sysfs.h
new file mode 100644
index 00000000000..671ebd1aac3
--- /dev/null
+++ b/drivers/staging/batman-adv/bat_sysfs.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2010 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ */
+
+
+#define SYSFS_IF_MESH_SUBDIR "mesh"
+
+int sysfs_add_meshif(struct net_device *dev);
+void sysfs_del_meshif(struct net_device *dev);
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index 881aaa9811a..b5f8b800974 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -21,6 +21,7 @@
 
 #include "main.h"
 #include "proc.h"
+#include "bat_sysfs.h"
 #include "routing.h"
 #include "send.h"
 #include "originator.h"
@@ -44,7 +45,6 @@ DEFINE_SPINLOCK(forw_bcast_list_lock);
 atomic_t originator_interval;
 atomic_t vis_interval;
 atomic_t vis_mode;
-atomic_t aggregation_enabled;
 int16_t num_hna;
 int16_t num_ifs;
 
@@ -85,7 +85,6 @@ int init_module(void)
 	atomic_set(&vis_interval, 1000);/* TODO: raise this later, this is only
 					 * for debugging now. */
 	atomic_set(&vis_mode, VIS_TYPE_CLIENT_UPDATE);
-	atomic_set(&aggregation_enabled, 1);
 
 	/* the name should not be longer than 10 chars - see
 	 * http://lwn.net/Articles/23634/ */
@@ -116,6 +115,11 @@ int init_module(void)
 		goto free_soft_device;
 	}
 
+	retval = sysfs_add_meshif(soft_device);
+
+	if (retval < 0)
+		goto unreg_soft_device;
+
 	register_netdevice_notifier(&hard_if_notifier);
 	dev_add_pack(&batman_adv_packet_type);
 
@@ -124,6 +128,8 @@ int init_module(void)
 
 	return 0;
 
+unreg_soft_device:
+	unregister_netdevice(soft_device);
 free_soft_device:
 	free_netdev(soft_device);
 	soft_device = NULL;
@@ -136,6 +142,7 @@ void cleanup_module(void)
 	shutdown_module();
 
 	if (soft_device) {
+		sysfs_del_meshif(soft_device);
 		unregister_netdev(soft_device);
 		soft_device = NULL;
 	}
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 6221b859387..3e28e9ef79b 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -130,7 +130,6 @@ extern spinlock_t forw_bcast_list_lock;
 extern atomic_t originator_interval;
 extern atomic_t vis_interval;
 extern atomic_t vis_mode;
-extern atomic_t aggregation_enabled;
 extern int16_t num_hna;
 extern int16_t num_ifs;
 
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index f3d8cc33011..818f56e55f2 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -249,4 +249,77 @@ void purge_orig(struct work_struct *work)
 	start_purge_timer();
 }
 
+ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off)
+{
+	HASHIT(hashit);
+	struct orig_node *orig_node;
+	struct neigh_node *neigh_node;
+	size_t hdr_len, tmp_len;
+	int batman_count = 0, bytes_written = 0;
+	unsigned long flags;
+	char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN];
+
+	rcu_read_lock();
+	hdr_len = sprintf(buff,
+		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s] \n",
+		   "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
+		   "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
+		   ((struct batman_if *)if_list.next)->dev,
+		   ((struct batman_if *)if_list.next)->addr_str);
+	rcu_read_unlock();
+
+	if (off < hdr_len)
+		bytes_written = hdr_len;
+
+	spin_lock_irqsave(&orig_hash_lock, flags);
+
+	while (hash_iterate(orig_hash, &hashit)) {
+
+		orig_node = hashit.bucket->data;
+
+		if (!orig_node->router)
+			continue;
+
+		if (orig_node->router->tq_avg == 0)
+			continue;
+
+		/* estimated line length */
+		if (count < bytes_written + 200)
+			break;
+
+		addr_to_string(orig_str, orig_node->orig);
+		addr_to_string(router_str, orig_node->router->addr);
+
+		tmp_len = sprintf(buff + bytes_written,
+				  "%-17s  (%3i) %17s [%10s]:",
+				   orig_str, orig_node->router->tq_avg,
+				   router_str,
+				   orig_node->router->if_incoming->dev);
+
+		list_for_each_entry(neigh_node, &orig_node->neigh_list, list) {
+			addr_to_string(orig_str, neigh_node->addr);
+			tmp_len += sprintf(buff + bytes_written + tmp_len,
+					   " %17s (%3i)", orig_str,
+					   neigh_node->tq_avg);
+		}
+
+		tmp_len += sprintf(buff + bytes_written + tmp_len, "\n");
+
+		batman_count++;
+		hdr_len += tmp_len;
+
+		if (off >= hdr_len)
+			continue;
+
+		bytes_written += tmp_len;
+	}
+
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+	if ((batman_count == 0) && (off == 0))
+		bytes_written += sprintf(buff + bytes_written,
+					"No batman nodes in range ... \n");
+
+	return bytes_written;
+}
 
diff --git a/drivers/staging/batman-adv/originator.h b/drivers/staging/batman-adv/originator.h
index 8acebc1e70e..8289a85342a 100644
--- a/drivers/staging/batman-adv/originator.h
+++ b/drivers/staging/batman-adv/originator.h
@@ -28,4 +28,4 @@ struct orig_node *get_orig_node(uint8_t *addr);
 struct neigh_node *
 create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
 		uint8_t *neigh, struct batman_if *if_incoming);
-
+ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off);
diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c
index dfa85c49437..059b2d9ffa8 100644
--- a/drivers/staging/batman-adv/proc.c
+++ b/drivers/staging/batman-adv/proc.c
@@ -29,11 +29,8 @@
 #include "vis.h"
 
 static struct proc_dir_entry *proc_batman_dir, *proc_interface_file;
-static struct proc_dir_entry *proc_orig_interval_file, *proc_originators_file;
-static struct proc_dir_entry *proc_transt_local_file;
-static struct proc_dir_entry *proc_transt_global_file;
+static struct proc_dir_entry *proc_orig_interval_file;
 static struct proc_dir_entry *proc_vis_srv_file, *proc_vis_data_file;
-static struct proc_dir_entry *proc_aggr_file;
 
 static int proc_interfaces_read(struct seq_file *seq, void *offset)
 {
@@ -176,145 +173,6 @@ static int proc_orig_interval_open(struct inode *inode, struct file *file)
 	return single_open(file, proc_orig_interval_read, NULL);
 }
 
-static int proc_originators_read(struct seq_file *seq, void *offset)
-{
-	HASHIT(hashit);
-	struct orig_node *orig_node;
-	struct neigh_node *neigh_node;
-	int batman_count = 0;
-	char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN];
-	unsigned long flags;
-
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it\n");
-		goto end;
-	}
-
-	if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) {
-		rcu_read_unlock();
-		seq_printf(seq, "BATMAN disabled - primary interface not active\n");
-		goto end;
-	}
-
-	seq_printf(seq,
-		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s]\n",
-		   "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
-		   "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
-		   ((struct batman_if *)if_list.next)->dev,
-		   ((struct batman_if *)if_list.next)->addr_str);
-
-	rcu_read_unlock();
-	spin_lock_irqsave(&orig_hash_lock, flags);
-
-	while (hash_iterate(orig_hash, &hashit)) {
-
-		orig_node = hashit.bucket->data;
-
-		if (!orig_node->router)
-			continue;
-
-		if (orig_node->router->tq_avg == 0)
-			continue;
-
-		batman_count++;
-
-		addr_to_string(orig_str, orig_node->orig);
-		addr_to_string(router_str, orig_node->router->addr);
-
-		seq_printf(seq, "%-17s  (%3i) %17s [%10s]:",
-			   orig_str, orig_node->router->tq_avg,
-			   router_str, orig_node->router->if_incoming->dev);
-
-		list_for_each_entry(neigh_node, &orig_node->neigh_list, list) {
-			addr_to_string(orig_str, neigh_node->addr);
-			seq_printf(seq, " %17s (%3i)",
-				   orig_str, neigh_node->tq_avg);
-		}
-
-		seq_printf(seq, "\n");
-
-	}
-
-	spin_unlock_irqrestore(&orig_hash_lock, flags);
-
-	if (batman_count == 0)
-		seq_printf(seq, "No batman nodes in range ...\n");
-
-end:
-	return 0;
-}
-
-static int proc_originators_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_originators_read, NULL);
-}
-
-static int proc_transt_local_read(struct seq_file *seq, void *offset)
-{
-	char *buf;
-
-	buf = kmalloc(4096, GFP_KERNEL);
-	if (!buf)
-		return 0;
-
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it\n");
-		goto end;
-	}
-
-	rcu_read_unlock();
-
-	seq_printf(seq, "Locally retrieved addresses (from %s) announced via HNA:\n", soft_device->name);
-
-	hna_local_fill_buffer_text(buf, 4096);
-	seq_printf(seq, "%s", buf);
-
-end:
-	kfree(buf);
-	return 0;
-}
-
-static int proc_transt_local_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_transt_local_read, NULL);
-}
-
-static int proc_transt_global_read(struct seq_file *seq, void *offset)
-{
-	char *buf;
-
-	buf = kmalloc(4096, GFP_KERNEL);
-	if (!buf)
-		return 0;
-
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-		seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it\n");
-		goto end;
-	}
-	rcu_read_unlock();
-
-
-	seq_printf(seq, "Globally announced HNAs received via the mesh (translation table):\n");
-
-	hna_global_fill_buffer_text(buf, 4096);
-	seq_printf(seq, "%s", buf);
-
-end:
-	kfree(buf);
-	return 0;
-}
-
-static int proc_transt_global_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_transt_global_read, NULL);
-}
-
 /* setting the mode of the vis server by the user */
 static ssize_t proc_vis_srv_write(struct file *file, const char __user * buffer,
 			      size_t count, loff_t *ppos)
@@ -429,53 +287,6 @@ static int proc_vis_data_open(struct inode *inode, struct file *file)
 	return single_open(file, proc_vis_data_read, NULL);
 }
 
-static int proc_aggr_read(struct seq_file *seq, void *offset)
-{
-	seq_printf(seq, "%i\n", atomic_read(&aggregation_enabled));
-
-	return 0;
-}
-
-static ssize_t proc_aggr_write(struct file *file, const char __user *buffer,
-			       size_t count, loff_t *ppos)
-{
-	char *aggr_string;
-	int not_copied = 0;
-	unsigned long aggregation_enabled_tmp;
-	int retval;
-
-	aggr_string = kmalloc(count, GFP_KERNEL);
-
-	if (!aggr_string)
-		return -ENOMEM;
-
-	not_copied = copy_from_user(aggr_string, buffer, count);
-	aggr_string[count - not_copied - 1] = 0;
-
-	retval = strict_strtoul(aggr_string, 10, &aggregation_enabled_tmp);
-
-	if (retval || aggregation_enabled_tmp > 1) {
-		printk(KERN_ERR "batman-adv:Aggregation can only be enabled (1) or disabled (0), given value: %li\n", aggregation_enabled_tmp);
-	} else {
-		printk(KERN_INFO "batman-adv:Changing aggregation from: %s (%i) to: %s (%li)\n",
-		       (atomic_read(&aggregation_enabled) == 1 ?
-			"enabled" : "disabled"),
-		       atomic_read(&aggregation_enabled),
-		       (aggregation_enabled_tmp == 1 ? "enabled" : "disabled"),
-		       aggregation_enabled_tmp);
-		atomic_set(&aggregation_enabled,
-			   (unsigned)aggregation_enabled_tmp);
-	}
-
-	kfree(aggr_string);
-	return count;
-}
-
-static int proc_aggr_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_aggr_read, NULL);
-}
-
 /* satisfying different prototypes ... */
 static ssize_t proc_dummy_write(struct file *file, const char __user *buffer,
 				size_t count, loff_t *ppos)
@@ -483,15 +294,6 @@ static ssize_t proc_dummy_write(struct file *file, const char __user *buffer,
 	return count;
 }
 
-static const struct file_operations proc_aggr_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_aggr_open,
-	.read		= seq_read,
-	.write		= proc_aggr_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
 static const struct file_operations proc_vis_srv_fops = {
 	.owner		= THIS_MODULE,
 	.open		= proc_vis_srv_open,
@@ -510,33 +312,6 @@ static const struct file_operations proc_vis_data_fops = {
 	.release	= single_release,
 };
 
-static const struct file_operations proc_originators_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_originators_open,
-	.read		= seq_read,
-	.write		= proc_dummy_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static const struct file_operations proc_transt_local_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_transt_local_open,
-	.read		= seq_read,
-	.write		= proc_dummy_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static const struct file_operations proc_transt_global_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_transt_global_open,
-	.read		= seq_read,
-	.write		= proc_dummy_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
 static const struct file_operations proc_interfaces_fops = {
 	.owner		= THIS_MODULE,
 	.open		= proc_interfaces_open,
@@ -557,15 +332,6 @@ static const struct file_operations proc_orig_interval_fops = {
 
 void cleanup_procfs(void)
 {
-	if (proc_transt_global_file)
-		remove_proc_entry(PROC_FILE_TRANST_GLOBAL, proc_batman_dir);
-
-	if (proc_transt_local_file)
-		remove_proc_entry(PROC_FILE_TRANST_LOCAL, proc_batman_dir);
-
-	if (proc_originators_file)
-		remove_proc_entry(PROC_FILE_ORIGINATORS, proc_batman_dir);
-
 	if (proc_orig_interval_file)
 		remove_proc_entry(PROC_FILE_ORIG_INTERVAL, proc_batman_dir);
 
@@ -578,9 +344,6 @@ void cleanup_procfs(void)
 	if (proc_vis_srv_file)
 		remove_proc_entry(PROC_FILE_VIS_SRV, proc_batman_dir);
 
-	if (proc_aggr_file)
-		remove_proc_entry(PROC_FILE_AGGR, proc_batman_dir);
-
 	if (proc_batman_dir)
 #ifdef __NET_NET_NAMESPACE_H
 		remove_proc_entry(PROC_ROOT_DIR, init_net.proc_net);
@@ -624,36 +387,6 @@ int setup_procfs(void)
 		return -EFAULT;
 	}
 
-	proc_originators_file = create_proc_entry(PROC_FILE_ORIGINATORS,
-						  S_IRUGO, proc_batman_dir);
-	if (proc_originators_file) {
-		proc_originators_file->proc_fops = &proc_originators_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_ORIGINATORS);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
-	proc_transt_local_file = create_proc_entry(PROC_FILE_TRANST_LOCAL,
-						   S_IRUGO, proc_batman_dir);
-	if (proc_transt_local_file) {
-		proc_transt_local_file->proc_fops = &proc_transt_local_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_TRANST_LOCAL);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
-	proc_transt_global_file = create_proc_entry(PROC_FILE_TRANST_GLOBAL,
-						    S_IRUGO, proc_batman_dir);
-	if (proc_transt_global_file) {
-		proc_transt_global_file->proc_fops = &proc_transt_global_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_TRANST_GLOBAL);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
 	proc_vis_srv_file = create_proc_entry(PROC_FILE_VIS_SRV,
 						S_IWUSR | S_IRUGO,
 						proc_batman_dir);
@@ -675,15 +408,5 @@ int setup_procfs(void)
 		return -EFAULT;
 	}
 
-	proc_aggr_file = create_proc_entry(PROC_FILE_AGGR, S_IWUSR | S_IRUGO,
-					   proc_batman_dir);
-	if (proc_aggr_file) {
-		proc_aggr_file->proc_fops = &proc_aggr_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_AGGR);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
 	return 0;
 }
diff --git a/drivers/staging/batman-adv/proc.h b/drivers/staging/batman-adv/proc.h
index cf712648ca5..68a255a33a8 100644
--- a/drivers/staging/batman-adv/proc.h
+++ b/drivers/staging/batman-adv/proc.h
@@ -25,15 +25,11 @@
 #define PROC_ROOT_DIR "batman-adv"
 #define PROC_FILE_INTERFACES "interfaces"
 #define PROC_FILE_ORIG_INTERVAL "orig_interval"
-#define PROC_FILE_ORIGINATORS "originators"
 #define PROC_FILE_GATEWAYS "gateways"
 #define PROC_FILE_LOG "log"
 #define PROC_FILE_LOG_LEVEL "log_level"
-#define PROC_FILE_TRANST_LOCAL "transtable_local"
-#define PROC_FILE_TRANST_GLOBAL "transtable_global"
 #define PROC_FILE_VIS_SRV "vis_server"
 #define PROC_FILE_VIS_DATA "vis_data"
-#define PROC_FILE_AGGR "aggregate_ogm"
 
 void cleanup_procfs(void);
 int setup_procfs(void);
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index 29b684ba4ea..32d1756b90a 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -44,7 +44,7 @@ static unsigned long own_send_time(void)
 }
 
 /* when do we schedule a forwarded packet to be sent */
-static unsigned long forward_send_time(void)
+static unsigned long forward_send_time(struct bat_priv *bat_priv)
 {
 	return jiffies + (((random32() % (JITTER/2)) * HZ) / 1000);
 }
@@ -239,6 +239,8 @@ static void rebuild_batman_packet(struct batman_if *batman_if)
 
 void schedule_own_packet(struct batman_if *batman_if)
 {
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	unsigned long send_time;
 	struct batman_packet *batman_packet;
 	int vis_server = atomic_read(&vis_mode);
@@ -277,7 +279,9 @@ void schedule_own_packet(struct batman_if *batman_if)
 	slide_own_bcast_window(batman_if);
 	send_time = own_send_time();
 	add_bat_packet_to_list(batman_if->packet_buff,
-			       batman_if->packet_len, batman_if, 1, send_time);
+			       batman_if->packet_len,
+			       batman_if, 1, send_time,
+			       bat_priv);
 }
 
 void schedule_forward_packet(struct orig_node *orig_node,
@@ -286,6 +290,8 @@ void schedule_forward_packet(struct orig_node *orig_node,
 			     uint8_t directlink, int hna_buff_len,
 			     struct batman_if *if_incoming)
 {
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	unsigned char in_tq, in_ttl, tq_avg = 0;
 	unsigned long send_time;
 
@@ -329,10 +335,11 @@ void schedule_forward_packet(struct orig_node *orig_node,
 	else
 		batman_packet->flags &= ~DIRECTLINK;
 
-	send_time = forward_send_time();
+	send_time = forward_send_time(bat_priv);
 	add_bat_packet_to_list((unsigned char *)batman_packet,
 			       sizeof(struct batman_packet) + hna_buff_len,
-			       if_incoming, 0, send_time);
+			       if_incoming, 0, send_time,
+			       bat_priv);
 }
 
 static void forw_packet_free(struct forw_packet *forw_packet)
diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c
index 5537846aded..d43b1adccf7 100644
--- a/drivers/staging/batman-adv/translation-table.c
+++ b/drivers/staging/batman-adv/translation-table.c
@@ -156,23 +156,36 @@ int hna_local_fill_buffer(unsigned char *buff, int buff_len)
 	return i;
 }
 
-int hna_local_fill_buffer_text(unsigned char *buff, int buff_len)
+int hna_local_fill_buffer_text(struct net_device *net_dev, char *buff,
+			       size_t count, loff_t off)
 {
 	struct hna_local_entry *hna_local_entry;
 	HASHIT(hashit);
 	int bytes_written = 0;
 	unsigned long flags;
+	size_t hdr_len;
+
+	hdr_len = sprintf(buff,
+			  "Locally retrieved addresses (from %s) announced via HNA:\n",
+			  net_dev->name);
+
+	if (off < hdr_len)
+		bytes_written = hdr_len;
 
 	spin_lock_irqsave(&hna_local_hash_lock, flags);
 
 	while (hash_iterate(hna_local_hash, &hashit)) {
+		hdr_len += 21;
 
-		if (buff_len < bytes_written + ETH_STR_LEN + 4)
+		if (count < bytes_written + 22)
 			break;
 
+		if (off >= hdr_len)
+			continue;
+
 		hna_local_entry = hashit.bucket->data;
 
-		bytes_written += snprintf(buff + bytes_written, ETH_STR_LEN + 4,
+		bytes_written += snprintf(buff + bytes_written, 22,
 					  " * %02x:%02x:%02x:%02x:%02x:%02x\n",
 					  hna_local_entry->addr[0],
 					  hna_local_entry->addr[1],
@@ -183,7 +196,6 @@ int hna_local_fill_buffer_text(unsigned char *buff, int buff_len)
 	}
 
 	spin_unlock_irqrestore(&hna_local_hash_lock, flags);
-
 	return bytes_written;
 }
 
@@ -348,23 +360,36 @@ void hna_global_add_orig(struct orig_node *orig_node,
 	spin_unlock_irqrestore(&hna_global_hash_lock, flags);
 }
 
-int hna_global_fill_buffer_text(unsigned char *buff, int buff_len)
+int hna_global_fill_buffer_text(struct net_device *net_dev, char *buff,
+				size_t count, loff_t off)
 {
 	struct hna_global_entry *hna_global_entry;
 	HASHIT(hashit);
 	int bytes_written = 0;
 	unsigned long flags;
+	size_t hdr_len;
+
+	hdr_len = sprintf(buff,
+			  "Globally announced HNAs received via the mesh %s (translation table):\n",
+			  net_dev->name);
+
+	if (off < hdr_len)
+		bytes_written = hdr_len;
 
 	spin_lock_irqsave(&hna_global_hash_lock, flags);
 
 	while (hash_iterate(hna_global_hash, &hashit)) {
-		if (buff_len < bytes_written + (2 * ETH_STR_LEN) + 10)
+		hdr_len += 43;
+
+		if (count < bytes_written + 44)
 			break;
 
+		if (off >= hdr_len)
+			continue;
+
 		hna_global_entry = hashit.bucket->data;
 
-		bytes_written += snprintf(buff + bytes_written,
-					  (2 * ETH_STR_LEN) + 10,
+		bytes_written += snprintf(buff + bytes_written, 44,
 					  " * %02x:%02x:%02x:%02x:%02x:%02x via %02x:%02x:%02x:%02x:%02x:%02x\n",
 					  hna_global_entry->addr[0],
 					  hna_global_entry->addr[1],
@@ -381,7 +406,6 @@ int hna_global_fill_buffer_text(unsigned char *buff, int buff_len)
 	}
 
 	spin_unlock_irqrestore(&hna_global_hash_lock, flags);
-
 	return bytes_written;
 }
 
diff --git a/drivers/staging/batman-adv/translation-table.h b/drivers/staging/batman-adv/translation-table.h
index 8568d80df36..8f412fca87f 100644
--- a/drivers/staging/batman-adv/translation-table.h
+++ b/drivers/staging/batman-adv/translation-table.h
@@ -25,13 +25,15 @@ int hna_local_init(void);
 void hna_local_add(uint8_t *addr);
 void hna_local_remove(uint8_t *addr, char *message);
 int hna_local_fill_buffer(unsigned char *buff, int buff_len);
-int hna_local_fill_buffer_text(unsigned char *buff, int buff_len);
+int hna_local_fill_buffer_text(struct net_device *net_dev, char *buff,
+			       size_t count, loff_t off);
 void hna_local_purge(struct work_struct *work);
 void hna_local_free(void);
 int hna_global_init(void);
 void hna_global_add_orig(struct orig_node *orig_node, unsigned char *hna_buff,
 			 int hna_buff_len);
-int hna_global_fill_buffer_text(unsigned char *buff, int buff_len);
+int hna_global_fill_buffer_text(struct net_device *net_dev, char *buff,
+				size_t count, loff_t off);
 void _hna_global_del_orig(struct hna_global_entry *hna_global_entry,
 			  char *orig_str);
 void hna_global_del_orig(struct orig_node *orig_node, char *message);
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index 4e77141078f..db1bb0b2204 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -82,6 +82,8 @@ struct neigh_node {
 
 struct bat_priv {
 	struct net_device_stats stats;
+	atomic_t aggregation_enabled;
+	struct kobject *mesh_obj;
 };
 
 struct device_client {

From 147412406a200a9a3230fad1e0e99c818e873680 Mon Sep 17 00:00:00 2001
From: Marek Lindner <lindner_marek@yahoo.de>
Date: Fri, 7 May 2010 21:47:19 +0200
Subject: [PATCH 1300/3638] Staging: batman-adv: convert more files from /proc
 to /sys

converted files:
vis_mode, vis_data

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/aggregation.c      |   6 +-
 drivers/staging/batman-adv/aggregation.h      |   8 +-
 drivers/staging/batman-adv/bat_sysfs.c        | 118 +++++++------
 drivers/staging/batman-adv/main.c             |   2 -
 drivers/staging/batman-adv/main.h             |   1 -
 drivers/staging/batman-adv/originator.c       |  33 +++-
 drivers/staging/batman-adv/originator.h       |   3 +-
 drivers/staging/batman-adv/proc.c             | 167 ------------------
 drivers/staging/batman-adv/proc.h             |   5 -
 drivers/staging/batman-adv/routing.c          |  10 +-
 drivers/staging/batman-adv/send.c             |  16 +-
 drivers/staging/batman-adv/soft-interface.c   |   4 +
 .../staging/batman-adv/translation-table.c    |  26 +++
 drivers/staging/batman-adv/types.h            |   1 +
 drivers/staging/batman-adv/vis.c              | 124 +++++++++++--
 drivers/staging/batman-adv/vis.h              |  17 +-
 16 files changed, 265 insertions(+), 276 deletions(-)

diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c
index c9468390878..a5818ff6139 100644
--- a/drivers/staging/batman-adv/aggregation.c
+++ b/drivers/staging/batman-adv/aggregation.c
@@ -165,10 +165,10 @@ static void aggregate(struct forw_packet *forw_packet_aggr,
 			(1 << forw_packet_aggr->num_packets);
 }
 
-void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
+void add_bat_packet_to_list(struct bat_priv *bat_priv,
+			    unsigned char *packet_buff, int packet_len,
 			    struct batman_if *if_incoming, char own_packet,
-			    unsigned long send_time,
-			    struct bat_priv *bat_priv)
+			    unsigned long send_time)
 {
 	/**
 	 * _aggr -> pointer to the packet we want to aggregate with
diff --git a/drivers/staging/batman-adv/aggregation.h b/drivers/staging/batman-adv/aggregation.h
index 29e1ffcbc7f..84401ca24c3 100644
--- a/drivers/staging/batman-adv/aggregation.h
+++ b/drivers/staging/batman-adv/aggregation.h
@@ -30,9 +30,9 @@ static inline int aggregated_packet(int buff_pos, int packet_len, int num_hna)
 		(next_buff_pos <= MAX_AGGREGATION_BYTES);
 }
 
-void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
-			    struct batman_if *if_outgoing, char own_packet,
-			    unsigned long send_time,
-			    struct bat_priv *bat_priv);
+void add_bat_packet_to_list(struct bat_priv *bat_priv,
+			    unsigned char *packet_buff, int packet_len,
+			    struct batman_if *if_incoming, char own_packet,
+			    unsigned long send_time);
 void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
 			     int packet_len, struct batman_if *if_incoming);
diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c
index 62931186ff3..c14ab47fc5a 100644
--- a/drivers/staging/batman-adv/bat_sysfs.c
+++ b/drivers/staging/batman-adv/bat_sysfs.c
@@ -24,6 +24,7 @@
 #include "translation-table.h"
 #include "originator.h"
 #include "hard-interface.h"
+#include "vis.h"
 
 #define to_dev(obj)     container_of(obj, struct device, kobj)
 
@@ -99,11 +100,66 @@ static ssize_t store_aggr_ogm(struct kobject *kobj, struct attribute *attr,
 	return count;
 }
 
+static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr,
+			     char *buff)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
+	int vis_mode = atomic_read(&bat_priv->vis_mode);
+
+	return sprintf(buff, "status: %s\ncommands: client, server, %d, %d \n",
+		       vis_mode == VIS_TYPE_CLIENT_UPDATE ?
+							"client" : "server",
+		       VIS_TYPE_SERVER_SYNC, VIS_TYPE_CLIENT_UPDATE);
+}
+
+static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr,
+			      char *buff, size_t count)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+	struct bat_priv *bat_priv = netdev_priv(net_dev);
+	unsigned long val;
+	int ret, vis_mode_tmp = -1;
+
+	ret = strict_strtoul(buff, 10, &val);
+
+	if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) ||
+	    (strncmp(buff, "client", 6) == 0))
+		vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE;
+
+	if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) ||
+	    (strncmp(buff, "server", 6) == 0))
+		vis_mode_tmp = VIS_TYPE_SERVER_SYNC;
+
+	if (vis_mode_tmp < 0) {
+		if (buff[count - 1] == '\n')
+			buff[count - 1] = '\0';
+
+		printk(KERN_INFO "batman-adv:Invalid parameter for 'vis mode' setting on mesh %s received: %s\n",
+		       net_dev->name, buff);
+		return -EINVAL;
+	}
+
+	if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
+		return count;
+
+	printk(KERN_INFO "batman-adv:Changing vis mode from: %s to: %s on mesh: %s\n",
+	       atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ?
+	       "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ?
+	       "client" : "server", net_dev->name);
+
+	atomic_set(&bat_priv->vis_mode, (unsigned)vis_mode_tmp);
+	return count;
+}
+
 static BAT_ATTR(aggregate_ogm, S_IRUGO | S_IWUSR,
 		show_aggr_ogm, store_aggr_ogm);
+static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode);
 
 static struct bat_attribute *mesh_attrs[] = {
 	&bat_attr_aggregate_ogm,
+	&bat_attr_vis_mode,
 	NULL,
 };
 
@@ -114,19 +170,6 @@ static ssize_t transtable_local_read(struct kobject *kobj,
 	struct device *dev = to_dev(kobj->parent);
 	struct net_device *net_dev = to_net_dev(dev);
 
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-
-		if (off == 0)
-			return sprintf(buff,
-				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
-				       net_dev->name);
-
-		return 0;
-	}
-	rcu_read_unlock();
-
 	return hna_local_fill_buffer_text(net_dev, buff, count, off);
 }
 
@@ -137,19 +180,6 @@ static ssize_t transtable_global_read(struct kobject *kobj,
 	struct device *dev = to_dev(kobj->parent);
 	struct net_device *net_dev = to_net_dev(dev);
 
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-
-		if (off == 0)
-			return sprintf(buff,
-				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
-				       net_dev->name);
-
-		return 0;
-	}
-	rcu_read_unlock();
-
 	return hna_global_fill_buffer_text(net_dev, buff, count, off);
 }
 
@@ -157,45 +187,32 @@ static ssize_t originators_read(struct kobject *kobj,
 			       struct bin_attribute *bin_attr,
 			       char *buff, loff_t off, size_t count)
 {
-	/* FIXME: orig table should exist per batif */
 	struct device *dev = to_dev(kobj->parent);
 	struct net_device *net_dev = to_net_dev(dev);
 
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
+	return orig_fill_buffer_text(net_dev, buff, count, off);
+}
 
-		if (off == 0)
-			return sprintf(buff,
-				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
-				       net_dev->name);
+static ssize_t vis_data_read(struct kobject *kobj,
+			     struct bin_attribute *bin_attr,
+			     char *buff, loff_t off, size_t count)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
 
-		return 0;
-	}
-
-	if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) {
-		rcu_read_unlock();
-
-		if (off == 0)
-			return sprintf(buff,
-				       "BATMAN mesh %s disabled - primary interface not active\n",
-				       net_dev->name);
-
-		return 0;
-	}
-	rcu_read_unlock();
-
-	return orig_fill_buffer_text(buff, count, off);
+	return vis_fill_buffer_text(net_dev, buff, count, off);
 }
 
 static BAT_BIN_ATTR(transtable_local, S_IRUGO, transtable_local_read, NULL);
 static BAT_BIN_ATTR(transtable_global, S_IRUGO, transtable_global_read, NULL);
 static BAT_BIN_ATTR(originators, S_IRUGO, originators_read, NULL);
+static BAT_BIN_ATTR(vis_data, S_IRUGO, vis_data_read, NULL);
 
 static struct bin_attribute *mesh_bin_attrs[] = {
 	&bat_attr_transtable_local,
 	&bat_attr_transtable_global,
 	&bat_attr_originators,
+	&bat_attr_vis_data,
 	NULL,
 };
 
@@ -210,6 +227,7 @@ int sysfs_add_meshif(struct net_device *dev)
 	/* FIXME: should be done in the general mesh setup
 		  routine as soon as we have it */
 	atomic_set(&bat_priv->aggregation_enabled, 1);
+	atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
 
 	bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
 						    batif_kobject);
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index b5f8b800974..54e8cd5a32f 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -44,7 +44,6 @@ DEFINE_SPINLOCK(forw_bcast_list_lock);
 
 atomic_t originator_interval;
 atomic_t vis_interval;
-atomic_t vis_mode;
 int16_t num_hna;
 int16_t num_ifs;
 
@@ -84,7 +83,6 @@ int init_module(void)
 	atomic_set(&originator_interval, 1000);
 	atomic_set(&vis_interval, 1000);/* TODO: raise this later, this is only
 					 * for debugging now. */
-	atomic_set(&vis_mode, VIS_TYPE_CLIENT_UPDATE);
 
 	/* the name should not be longer than 10 chars - see
 	 * http://lwn.net/Articles/23634/ */
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 3e28e9ef79b..b2283a75ee6 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -129,7 +129,6 @@ extern spinlock_t forw_bcast_list_lock;
 
 extern atomic_t originator_interval;
 extern atomic_t vis_interval;
-extern atomic_t vis_mode;
 extern int16_t num_hna;
 extern int16_t num_ifs;
 
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 818f56e55f2..684db750cf1 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -26,6 +26,7 @@
 #include "hash.h"
 #include "translation-table.h"
 #include "routing.h"
+#include "hard-interface.h"
 
 static DECLARE_DELAYED_WORK(purge_orig_wq, purge_orig);
 
@@ -205,7 +206,6 @@ static bool purge_orig_neighbors(struct orig_node *orig_node,
 	return neigh_purged;
 }
 
-
 static bool purge_orig_node(struct orig_node *orig_node)
 {
 	struct neigh_node *best_neigh_node;
@@ -224,6 +224,7 @@ static bool purge_orig_node(struct orig_node *orig_node)
 				      orig_node->hna_buff,
 				      orig_node->hna_buff_len);
 	}
+
 	return false;
 }
 
@@ -249,7 +250,8 @@ void purge_orig(struct work_struct *work)
 	start_purge_timer();
 }
 
-ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off)
+ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
+			      size_t count, loff_t off)
 {
 	HASHIT(hashit);
 	struct orig_node *orig_node;
@@ -260,12 +262,35 @@ ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off)
 	char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN];
 
 	rcu_read_lock();
+	if (list_empty(&if_list)) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+				       net_dev->name);
+
+		return 0;
+	}
+
+	if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - primary interface not active\n",
+				       net_dev->name);
+
+		return 0;
+	}
+
 	hdr_len = sprintf(buff,
-		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s] \n",
+		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)] \n",
 		   "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
 		   "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
 		   ((struct batman_if *)if_list.next)->dev,
-		   ((struct batman_if *)if_list.next)->addr_str);
+		   ((struct batman_if *)if_list.next)->addr_str,
+		   net_dev->name);
 	rcu_read_unlock();
 
 	if (off < hdr_len)
diff --git a/drivers/staging/batman-adv/originator.h b/drivers/staging/batman-adv/originator.h
index 8289a85342a..745b4b064c1 100644
--- a/drivers/staging/batman-adv/originator.h
+++ b/drivers/staging/batman-adv/originator.h
@@ -28,4 +28,5 @@ struct orig_node *get_orig_node(uint8_t *addr);
 struct neigh_node *
 create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
 		uint8_t *neigh, struct batman_if *if_incoming);
-ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off);
+ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
+			      size_t count, loff_t off);
diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c
index 059b2d9ffa8..cbea64212db 100644
--- a/drivers/staging/batman-adv/proc.c
+++ b/drivers/staging/batman-adv/proc.c
@@ -30,7 +30,6 @@
 
 static struct proc_dir_entry *proc_batman_dir, *proc_interface_file;
 static struct proc_dir_entry *proc_orig_interval_file;
-static struct proc_dir_entry *proc_vis_srv_file, *proc_vis_data_file;
 
 static int proc_interfaces_read(struct seq_file *seq, void *offset)
 {
@@ -173,145 +172,6 @@ static int proc_orig_interval_open(struct inode *inode, struct file *file)
 	return single_open(file, proc_orig_interval_read, NULL);
 }
 
-/* setting the mode of the vis server by the user */
-static ssize_t proc_vis_srv_write(struct file *file, const char __user * buffer,
-			      size_t count, loff_t *ppos)
-{
-	char *vis_mode_string;
-	int not_copied = 0;
-
-	vis_mode_string = kmalloc(count, GFP_KERNEL);
-
-	if (!vis_mode_string)
-		return -ENOMEM;
-
-	not_copied = copy_from_user(vis_mode_string, buffer, count);
-	vis_mode_string[count - not_copied - 1] = 0;
-
-	if ((strcmp(vis_mode_string, "client") == 0) ||
-			(strcmp(vis_mode_string, "disabled") == 0)) {
-		printk(KERN_INFO "batman-adv:Setting VIS mode to client (disabling vis server)\n");
-		atomic_set(&vis_mode, VIS_TYPE_CLIENT_UPDATE);
-	} else if ((strcmp(vis_mode_string, "server") == 0) ||
-			(strcmp(vis_mode_string, "enabled") == 0)) {
-		printk(KERN_INFO "batman-adv:Setting VIS mode to server (enabling vis server)\n");
-		atomic_set(&vis_mode, VIS_TYPE_SERVER_SYNC);
-	} else
-		printk(KERN_ERR "batman-adv:Unknown VIS mode: %s\n",
-		       vis_mode_string);
-
-	kfree(vis_mode_string);
-	return count;
-}
-
-static int proc_vis_srv_read(struct seq_file *seq, void *offset)
-{
-	int vis_server = atomic_read(&vis_mode);
-
-	seq_printf(seq, "[%c] client mode (server disabled)\n",
-			(vis_server == VIS_TYPE_CLIENT_UPDATE) ? 'x' : ' ');
-	seq_printf(seq, "[%c] server mode (server enabled)\n",
-			(vis_server == VIS_TYPE_SERVER_SYNC) ? 'x' : ' ');
-
-	return 0;
-}
-
-static int proc_vis_srv_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_vis_srv_read, NULL);
-}
-
-static int proc_vis_data_read(struct seq_file *seq, void *offset)
-{
-	HASHIT(hashit);
-	struct vis_info *info;
-	struct vis_info_entry *entries;
-	HLIST_HEAD(vis_if_list);
-	struct if_list_entry *entry;
-	struct hlist_node *pos, *n;
-	int i;
-	char tmp_addr_str[ETH_STR_LEN];
-	unsigned long flags;
-	int vis_server = atomic_read(&vis_mode);
-
-	rcu_read_lock();
-	if (list_empty(&if_list) || (vis_server == VIS_TYPE_CLIENT_UPDATE)) {
-		rcu_read_unlock();
-		goto end;
-	}
-
-	rcu_read_unlock();
-
-	spin_lock_irqsave(&vis_hash_lock, flags);
-	while (hash_iterate(vis_hash, &hashit)) {
-		info = hashit.bucket->data;
-		entries = (struct vis_info_entry *)
-			((char *)info + sizeof(struct vis_info));
-
-		for (i = 0; i < info->packet.entries; i++) {
-			if (entries[i].quality == 0)
-				continue;
-			proc_vis_insert_interface(entries[i].src, &vis_if_list,
-				compare_orig(entries[i].src,
-						info->packet.vis_orig));
-		}
-
-		hlist_for_each_entry(entry, pos, &vis_if_list, list) {
-			addr_to_string(tmp_addr_str, entry->addr);
-			seq_printf(seq, "%s,", tmp_addr_str);
-
-			for (i = 0; i < info->packet.entries; i++)
-				proc_vis_read_entry(seq, &entries[i],
-						entry->addr, entry->primary);
-
-			/* add primary/secondary records */
-			if (compare_orig(entry->addr, info->packet.vis_orig))
-				proc_vis_read_prim_sec(seq, &vis_if_list);
-
-			seq_printf(seq, "\n");
-		}
-
-		hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, list) {
-			hlist_del(&entry->list);
-			kfree(entry);
-		}
-	}
-	spin_unlock_irqrestore(&vis_hash_lock, flags);
-
-end:
-	return 0;
-}
-
-static int proc_vis_data_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_vis_data_read, NULL);
-}
-
-/* satisfying different prototypes ... */
-static ssize_t proc_dummy_write(struct file *file, const char __user *buffer,
-				size_t count, loff_t *ppos)
-{
-	return count;
-}
-
-static const struct file_operations proc_vis_srv_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_vis_srv_open,
-	.read		= seq_read,
-	.write		= proc_vis_srv_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static const struct file_operations proc_vis_data_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_vis_data_open,
-	.read		= seq_read,
-	.write		= proc_dummy_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
 static const struct file_operations proc_interfaces_fops = {
 	.owner		= THIS_MODULE,
 	.open		= proc_interfaces_open,
@@ -338,12 +198,6 @@ void cleanup_procfs(void)
 	if (proc_interface_file)
 		remove_proc_entry(PROC_FILE_INTERFACES, proc_batman_dir);
 
-	if (proc_vis_data_file)
-		remove_proc_entry(PROC_FILE_VIS_DATA, proc_batman_dir);
-
-	if (proc_vis_srv_file)
-		remove_proc_entry(PROC_FILE_VIS_SRV, proc_batman_dir);
-
 	if (proc_batman_dir)
 #ifdef __NET_NET_NAMESPACE_H
 		remove_proc_entry(PROC_ROOT_DIR, init_net.proc_net);
@@ -387,26 +241,5 @@ int setup_procfs(void)
 		return -EFAULT;
 	}
 
-	proc_vis_srv_file = create_proc_entry(PROC_FILE_VIS_SRV,
-						S_IWUSR | S_IRUGO,
-						proc_batman_dir);
-	if (proc_vis_srv_file) {
-		proc_vis_srv_file->proc_fops = &proc_vis_srv_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_VIS_SRV);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
-	proc_vis_data_file = create_proc_entry(PROC_FILE_VIS_DATA, S_IRUGO,
-					  proc_batman_dir);
-	if (proc_vis_data_file) {
-		proc_vis_data_file->proc_fops = &proc_vis_data_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_VIS_DATA);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
 	return 0;
 }
diff --git a/drivers/staging/batman-adv/proc.h b/drivers/staging/batman-adv/proc.h
index 68a255a33a8..6a972a6f26b 100644
--- a/drivers/staging/batman-adv/proc.h
+++ b/drivers/staging/batman-adv/proc.h
@@ -25,11 +25,6 @@
 #define PROC_ROOT_DIR "batman-adv"
 #define PROC_FILE_INTERFACES "interfaces"
 #define PROC_FILE_ORIG_INTERVAL "orig_interval"
-#define PROC_FILE_GATEWAYS "gateways"
-#define PROC_FILE_LOG "log"
-#define PROC_FILE_LOG_LEVEL "log_level"
-#define PROC_FILE_VIS_SRV "vis_server"
-#define PROC_FILE_VIS_DATA "vis_data"
 
 void cleanup_procfs(void);
 int setup_procfs(void);
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index a78ae5c4dcb..8c055a124cf 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -946,6 +946,7 @@ int recv_vis_packet(struct sk_buff *skb)
 {
 	struct vis_packet *vis_packet;
 	struct ethhdr *ethhdr;
+	struct bat_priv *bat_priv;
 	int hdr_size = sizeof(struct vis_packet);
 
 	if (skb_headlen(skb) < hdr_size)
@@ -965,15 +966,20 @@ int recv_vis_packet(struct sk_buff *skb)
 	if (is_my_mac(vis_packet->sender_orig))
 		return NET_RX_DROP;
 
+	/* FIXME: each batman_if will be attached to a softif */
+	bat_priv = netdev_priv(soft_device);
+
 	switch (vis_packet->vis_type) {
 	case VIS_TYPE_SERVER_SYNC:
 		/* TODO: handle fragmented skbs properly */
-		receive_server_sync_packet(vis_packet, skb_headlen(skb));
+		receive_server_sync_packet(bat_priv, vis_packet,
+					   skb_headlen(skb));
 		break;
 
 	case VIS_TYPE_CLIENT_UPDATE:
 		/* TODO: handle fragmented skbs properly */
-		receive_client_update_packet(vis_packet, skb_headlen(skb));
+		receive_client_update_packet(bat_priv, vis_packet,
+					     skb_headlen(skb));
 		break;
 
 	default:	/* ignore unknown packet */
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index 32d1756b90a..a00aa887183 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -243,7 +243,7 @@ void schedule_own_packet(struct batman_if *batman_if)
 	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	unsigned long send_time;
 	struct batman_packet *batman_packet;
-	int vis_server = atomic_read(&vis_mode);
+	int vis_server = atomic_read(&bat_priv->vis_mode);
 
 	/**
 	 * the interface gets activated here to avoid race conditions between
@@ -271,17 +271,17 @@ void schedule_own_packet(struct batman_if *batman_if)
 	if (vis_server == VIS_TYPE_SERVER_SYNC)
 		batman_packet->flags = VIS_SERVER;
 	else
-		batman_packet->flags = 0;
+		batman_packet->flags &= ~VIS_SERVER;
 
 	/* could be read by receive_bat_packet() */
 	atomic_inc(&batman_if->seqno);
 
 	slide_own_bcast_window(batman_if);
 	send_time = own_send_time();
-	add_bat_packet_to_list(batman_if->packet_buff,
+	add_bat_packet_to_list(bat_priv,
+			       batman_if->packet_buff,
 			       batman_if->packet_len,
-			       batman_if, 1, send_time,
-			       bat_priv);
+			       batman_if, 1, send_time);
 }
 
 void schedule_forward_packet(struct orig_node *orig_node,
@@ -336,10 +336,10 @@ void schedule_forward_packet(struct orig_node *orig_node,
 		batman_packet->flags &= ~DIRECTLINK;
 
 	send_time = forward_send_time(bat_priv);
-	add_bat_packet_to_list((unsigned char *)batman_packet,
+	add_bat_packet_to_list(bat_priv,
+			       (unsigned char *)batman_packet,
 			       sizeof(struct batman_packet) + hna_buff_len,
-			       if_incoming, 0, send_time,
-			       bat_priv);
+			       if_incoming, 0, send_time);
 }
 
 static void forw_packet_free(struct forw_packet *forw_packet)
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index 0dff959050b..829deb694b8 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -182,6 +182,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 	struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
 	struct bat_priv *priv = netdev_priv(dev);
 	struct batman_if *batman_if;
+	struct bat_priv *bat_priv;
 	uint8_t dstaddr[6];
 	int data_len = skb->len;
 	unsigned long flags;
@@ -189,6 +190,9 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 	if (atomic_read(&module_state) != MODULE_ACTIVE)
 		goto dropped;
 
+	/* FIXME: each batman_if will be attached to a softif */
+	bat_priv = netdev_priv(soft_device);
+
 	dev->trans_start = jiffies;
 	/* TODO: check this for locks */
 	hna_local_add(ethhdr->h_source);
diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c
index d43b1adccf7..b735200ecf1 100644
--- a/drivers/staging/batman-adv/translation-table.c
+++ b/drivers/staging/batman-adv/translation-table.c
@@ -165,6 +165,19 @@ int hna_local_fill_buffer_text(struct net_device *net_dev, char *buff,
 	unsigned long flags;
 	size_t hdr_len;
 
+	rcu_read_lock();
+	if (list_empty(&if_list)) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+				       net_dev->name);
+
+		return 0;
+	}
+	rcu_read_unlock();
+
 	hdr_len = sprintf(buff,
 			  "Locally retrieved addresses (from %s) announced via HNA:\n",
 			  net_dev->name);
@@ -369,6 +382,19 @@ int hna_global_fill_buffer_text(struct net_device *net_dev, char *buff,
 	unsigned long flags;
 	size_t hdr_len;
 
+	rcu_read_lock();
+	if (list_empty(&if_list)) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+				       net_dev->name);
+
+		return 0;
+	}
+	rcu_read_unlock();
+
 	hdr_len = sprintf(buff,
 			  "Globally announced HNAs received via the mesh %s (translation table):\n",
 			  net_dev->name);
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index db1bb0b2204..e8d2e8c2c64 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -83,6 +83,7 @@ struct neigh_node {
 struct bat_priv {
 	struct net_device_stats stats;
 	atomic_t aggregation_enabled;
+	atomic_t vis_mode;
 	struct kobject *mesh_obj;
 };
 
diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index 0bfc083a423..5edeb3261ac 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -102,7 +102,7 @@ static int vis_info_choose(void *data, int size)
 
 /* insert interface to the list of interfaces of one originator, if it
  * does not already exist in the list */
-void proc_vis_insert_interface(const uint8_t *interface,
+static void vis_data_insert_interface(const uint8_t *interface,
 				      struct hlist_head *if_list,
 				      bool primary)
 {
@@ -123,36 +123,119 @@ void proc_vis_insert_interface(const uint8_t *interface,
 	hlist_add_head(&entry->list, if_list);
 }
 
-void proc_vis_read_prim_sec(struct seq_file *seq,
-			    struct hlist_head *if_list)
+static ssize_t vis_data_read_prim_sec(char *buff, struct hlist_head *if_list)
 {
 	struct if_list_entry *entry;
 	struct hlist_node *pos;
 	char tmp_addr_str[ETH_STR_LEN];
+	size_t len = 0;
 
 	hlist_for_each_entry(entry, pos, if_list, list) {
 		if (entry->primary)
-			seq_printf(seq, "PRIMARY, ");
+			len += sprintf(buff + len, "PRIMARY, ");
 		else {
 			addr_to_string(tmp_addr_str, entry->addr);
-			seq_printf(seq, "SEC %s, ", tmp_addr_str);
+			len += sprintf(buff + len,  "SEC %s, ", tmp_addr_str);
 		}
 	}
+
+	return len;
 }
 
 /* read an entry  */
-void proc_vis_read_entry(struct seq_file *seq,
-				struct vis_info_entry *entry,
-				uint8_t *src,
-				bool primary)
+static ssize_t vis_data_read_entry(char *buff, struct vis_info_entry *entry,
+				   uint8_t *src, bool primary)
 {
 	char to[40];
 
 	addr_to_string(to, entry->dest);
 	if (primary && entry->quality == 0)
-		seq_printf(seq, "HNA %s, ", to);
+		return sprintf(buff, "HNA %s, ", to);
 	else if (compare_orig(entry->src, src))
-		seq_printf(seq, "TQ %s %d, ", to, entry->quality);
+		return sprintf(buff, "TQ %s %d, ", to, entry->quality);
+
+	return 0;
+}
+
+ssize_t vis_fill_buffer_text(struct net_device *net_dev, char *buff,
+			      size_t count, loff_t off)
+{
+	HASHIT(hashit);
+	struct vis_info *info;
+	struct vis_info_entry *entries;
+	struct bat_priv *bat_priv = netdev_priv(net_dev);
+	HLIST_HEAD(vis_if_list);
+	struct if_list_entry *entry;
+	struct hlist_node *pos, *n;
+	size_t hdr_len, tmp_len;
+	int i, bytes_written = 0;
+	char tmp_addr_str[ETH_STR_LEN];
+	unsigned long flags;
+	int vis_server = atomic_read(&bat_priv->vis_mode);
+
+	rcu_read_lock();
+	if (list_empty(&if_list) || (vis_server == VIS_TYPE_CLIENT_UPDATE)) {
+		rcu_read_unlock();
+		return 0;
+	}
+
+	rcu_read_unlock();
+	hdr_len = 0;
+
+	spin_lock_irqsave(&vis_hash_lock, flags);
+	while (hash_iterate(vis_hash, &hashit)) {
+		info = hashit.bucket->data;
+		entries = (struct vis_info_entry *)
+			((char *)info + sizeof(struct vis_info));
+
+		/* estimated line length */
+		if (count < bytes_written + 200)
+			break;
+
+		for (i = 0; i < info->packet.entries; i++) {
+			if (entries[i].quality == 0)
+				continue;
+			vis_data_insert_interface(entries[i].src, &vis_if_list,
+				compare_orig(entries[i].src,
+						info->packet.vis_orig));
+		}
+
+		hlist_for_each_entry(entry, pos, &vis_if_list, list) {
+			addr_to_string(tmp_addr_str, entry->addr);
+			tmp_len = sprintf(buff + bytes_written,
+					  "%s,", tmp_addr_str);
+
+			for (i = 0; i < info->packet.entries; i++)
+				tmp_len += vis_data_read_entry(
+						buff + bytes_written + tmp_len,
+						&entries[i], entry->addr,
+						entry->primary);
+
+			/* add primary/secondary records */
+			if (compare_orig(entry->addr, info->packet.vis_orig))
+				tmp_len += vis_data_read_prim_sec(
+						buff + bytes_written + tmp_len,
+						&vis_if_list);
+
+			tmp_len += sprintf(buff + bytes_written + tmp_len,
+					  "\n");
+
+			hdr_len += tmp_len;
+
+			if (off >= hdr_len)
+				continue;
+
+			bytes_written += tmp_len;
+		}
+
+		hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, list) {
+			hlist_del(&entry->list);
+			kfree(entry);
+		}
+	}
+	spin_unlock_irqrestore(&vis_hash_lock, flags);
+
+	return bytes_written;
 }
 
 /* add the info packet to the send list, if it was not
@@ -280,12 +363,14 @@ static struct vis_info *add_packet(struct vis_packet *vis_packet,
 }
 
 /* handle the server sync packet, forward if needed. */
-void receive_server_sync_packet(struct vis_packet *vis_packet, int vis_info_len)
+void receive_server_sync_packet(struct bat_priv *bat_priv,
+				struct vis_packet *vis_packet,
+				int vis_info_len)
 {
 	struct vis_info *info;
 	int is_new, make_broadcast;
 	unsigned long flags;
-	int vis_server = atomic_read(&vis_mode);
+	int vis_server = atomic_read(&bat_priv->vis_mode);
 
 	make_broadcast = (vis_server == VIS_TYPE_SERVER_SYNC);
 
@@ -303,13 +388,14 @@ end:
 }
 
 /* handle an incoming client update packet and schedule forward if needed. */
-void receive_client_update_packet(struct vis_packet *vis_packet,
+void receive_client_update_packet(struct bat_priv *bat_priv,
+				  struct vis_packet *vis_packet,
 				  int vis_info_len)
 {
 	struct vis_info *info;
 	int is_new;
 	unsigned long flags;
-	int vis_server = atomic_read(&vis_mode);
+	int vis_server = atomic_read(&bat_priv->vis_mode);
 	int are_target = 0;
 
 	/* clients shall not broadcast. */
@@ -376,7 +462,7 @@ static bool vis_packet_full(struct vis_info *info)
 
 /* generates a packet of own vis data,
  * returns 0 on success, -1 if no packet could be generated */
-static int generate_vis_packet(void)
+static int generate_vis_packet(struct bat_priv *bat_priv)
 {
 	HASHIT(hashit_local);
 	HASHIT(hashit_global);
@@ -388,7 +474,7 @@ static int generate_vis_packet(void)
 	unsigned long flags;
 
 	info->first_seen = jiffies;
-	info->packet.vis_type = atomic_read(&vis_mode);
+	info->packet.vis_type = atomic_read(&bat_priv->vis_mode);
 
 	spin_lock_irqsave(&orig_hash_lock, flags);
 	memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
@@ -568,12 +654,14 @@ static void send_vis_packets(struct work_struct *work)
 {
 	struct vis_info *info, *temp;
 	unsigned long flags;
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 
 	spin_lock_irqsave(&vis_hash_lock, flags);
 
 	purge_vis_packets();
 
-	if (generate_vis_packet() == 0) {
+	if (generate_vis_packet(bat_priv) == 0) {
 		/* schedule if generation was successful */
 		send_list_add(my_vis_info);
 	}
diff --git a/drivers/staging/batman-adv/vis.h b/drivers/staging/batman-adv/vis.h
index 4e417fb17b9..9c1fd771cba 100644
--- a/drivers/staging/batman-adv/vis.h
+++ b/drivers/staging/batman-adv/vis.h
@@ -47,18 +47,13 @@ struct recvlist_node {
 extern struct hashtable_t *vis_hash;
 extern spinlock_t vis_hash_lock;
 
-void proc_vis_insert_interface(const uint8_t *interface,
-				      struct hlist_head *if_list,
-				      bool primary);
-void proc_vis_read_entry(struct seq_file *seq,
-				struct vis_info_entry *entry,
-				uint8_t *src,
-				bool primary);
-void proc_vis_read_prim_sec(struct seq_file *seq,
-			    struct hlist_head *if_list);
-void receive_server_sync_packet(struct vis_packet *vis_packet,
+ssize_t vis_fill_buffer_text(struct net_device *net_dev, char *buff,
+			      size_t count, loff_t off);
+void receive_server_sync_packet(struct bat_priv *bat_priv,
+				struct vis_packet *vis_packet,
 				int vis_info_len);
-void receive_client_update_packet(struct vis_packet *vis_packet,
+void receive_client_update_packet(struct bat_priv *bat_priv,
+				  struct vis_packet *vis_packet,
 				  int vis_info_len);
 int vis_init(void);
 void vis_quit(void);

From 1d59f82cb876ee9a1b4adc4f9b1063b855eac015 Mon Sep 17 00:00:00 2001
From: Marek Lindner <lindner_marek@yahoo.de>
Date: Fri, 7 May 2010 21:47:20 +0200
Subject: [PATCH 1301/3638] Staging: batman-adv: move originator interval
 setting from /proc to /sys

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/bat_sysfs.c | 47 ++++++++++++++++
 drivers/staging/batman-adv/main.c      |  2 -
 drivers/staging/batman-adv/main.h      |  1 -
 drivers/staging/batman-adv/proc.c      | 75 --------------------------
 drivers/staging/batman-adv/proc.h      |  1 -
 drivers/staging/batman-adv/send.c      |  6 +--
 drivers/staging/batman-adv/types.h     |  1 +
 7 files changed, 51 insertions(+), 82 deletions(-)

diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c
index c14ab47fc5a..ea7ce775009 100644
--- a/drivers/staging/batman-adv/bat_sysfs.c
+++ b/drivers/staging/batman-adv/bat_sysfs.c
@@ -153,13 +153,59 @@ static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr,
 	return count;
 }
 
+static ssize_t show_orig_interval(struct kobject *kobj, struct attribute *attr,
+				 char *buff)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
+
+	return sprintf(buff, "status: %i\n",
+		       atomic_read(&bat_priv->orig_interval));
+}
+
+static ssize_t store_orig_interval(struct kobject *kobj, struct attribute *attr,
+				  char *buff, size_t count)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+	struct bat_priv *bat_priv = netdev_priv(net_dev);
+	unsigned long orig_interval_tmp;
+	int ret;
+
+	ret = strict_strtoul(buff, 10, &orig_interval_tmp);
+	if (ret) {
+		printk(KERN_INFO "batman-adv:Invalid parameter for 'orig_interval' setting on mesh %s received: %s\n",
+		       net_dev->name, buff);
+		return -EINVAL;
+	}
+
+	if (orig_interval_tmp <= JITTER * 2) {
+		printk(KERN_INFO "batman-adv:New originator interval too small: %li (min: %i)\n",
+		       orig_interval_tmp, JITTER * 2);
+		return -EINVAL;
+	}
+
+	if (atomic_read(&bat_priv->orig_interval) == orig_interval_tmp)
+		return count;
+
+	printk(KERN_INFO "batman-adv:Changing originator interval from: %i to: %li on mesh: %s\n",
+	       atomic_read(&bat_priv->orig_interval),
+	       orig_interval_tmp, net_dev->name);
+
+	atomic_set(&bat_priv->orig_interval, orig_interval_tmp);
+	return count;
+}
+
 static BAT_ATTR(aggregate_ogm, S_IRUGO | S_IWUSR,
 		show_aggr_ogm, store_aggr_ogm);
 static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode);
+static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR,
+		show_orig_interval, store_orig_interval);
 
 static struct bat_attribute *mesh_attrs[] = {
 	&bat_attr_aggregate_ogm,
 	&bat_attr_vis_mode,
+	&bat_attr_orig_interval,
 	NULL,
 };
 
@@ -228,6 +274,7 @@ int sysfs_add_meshif(struct net_device *dev)
 		  routine as soon as we have it */
 	atomic_set(&bat_priv->aggregation_enabled, 1);
 	atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
+	atomic_set(&bat_priv->orig_interval, 1000);
 
 	bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
 						    batif_kobject);
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index 54e8cd5a32f..7d726857023 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -42,7 +42,6 @@ DEFINE_SPINLOCK(orig_hash_lock);
 DEFINE_SPINLOCK(forw_bat_list_lock);
 DEFINE_SPINLOCK(forw_bcast_list_lock);
 
-atomic_t originator_interval;
 atomic_t vis_interval;
 int16_t num_hna;
 int16_t num_ifs;
@@ -80,7 +79,6 @@ int init_module(void)
 
 	atomic_set(&module_state, MODULE_INACTIVE);
 
-	atomic_set(&originator_interval, 1000);
 	atomic_set(&vis_interval, 1000);/* TODO: raise this later, this is only
 					 * for debugging now. */
 
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index b2283a75ee6..59a70c7e90c 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -127,7 +127,6 @@ extern spinlock_t orig_hash_lock;
 extern spinlock_t forw_bat_list_lock;
 extern spinlock_t forw_bcast_list_lock;
 
-extern atomic_t originator_interval;
 extern atomic_t vis_interval;
 extern int16_t num_hna;
 extern int16_t num_ifs;
diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c
index cbea64212db..25b24fe7b6a 100644
--- a/drivers/staging/batman-adv/proc.c
+++ b/drivers/staging/batman-adv/proc.c
@@ -29,7 +29,6 @@
 #include "vis.h"
 
 static struct proc_dir_entry *proc_batman_dir, *proc_interface_file;
-static struct proc_dir_entry *proc_orig_interval_file;
 
 static int proc_interfaces_read(struct seq_file *seq, void *offset)
 {
@@ -121,57 +120,6 @@ end:
 	return count;
 }
 
-static int proc_orig_interval_read(struct seq_file *seq, void *offset)
-{
-	seq_printf(seq, "%i\n", atomic_read(&originator_interval));
-
-	return 0;
-}
-
-static ssize_t proc_orig_interval_write(struct file *file,
-					const char __user *buffer,
-					size_t count, loff_t *ppos)
-{
-	char *interval_string;
-	int not_copied = 0;
-	unsigned long originator_interval_tmp;
-	int retval;
-
-	interval_string = kmalloc(count, GFP_KERNEL);
-
-	if (!interval_string)
-		return -ENOMEM;
-
-	not_copied = copy_from_user(interval_string, buffer, count);
-	interval_string[count - not_copied - 1] = 0;
-
-	retval = strict_strtoul(interval_string, 10, &originator_interval_tmp);
-	if (retval) {
-		printk(KERN_ERR "batman-adv:New originator interval invalid\n");
-		goto end;
-	}
-
-	if (originator_interval_tmp <= JITTER * 2) {
-		printk(KERN_WARNING "batman-adv:New originator interval too small: %li (min: %i)\n",
-		       originator_interval_tmp, JITTER * 2);
-		goto end;
-	}
-
-	printk(KERN_INFO "batman-adv:Changing originator interval from: %i to: %li\n",
-	       atomic_read(&originator_interval), originator_interval_tmp);
-
-	atomic_set(&originator_interval, originator_interval_tmp);
-
-end:
-	kfree(interval_string);
-	return count;
-}
-
-static int proc_orig_interval_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_orig_interval_read, NULL);
-}
-
 static const struct file_operations proc_interfaces_fops = {
 	.owner		= THIS_MODULE,
 	.open		= proc_interfaces_open,
@@ -181,20 +129,8 @@ static const struct file_operations proc_interfaces_fops = {
 	.release	= single_release,
 };
 
-static const struct file_operations proc_orig_interval_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_orig_interval_open,
-	.read		= seq_read,
-	.write		= proc_orig_interval_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
 void cleanup_procfs(void)
 {
-	if (proc_orig_interval_file)
-		remove_proc_entry(PROC_FILE_ORIG_INTERVAL, proc_batman_dir);
-
 	if (proc_interface_file)
 		remove_proc_entry(PROC_FILE_INTERFACES, proc_batman_dir);
 
@@ -230,16 +166,5 @@ int setup_procfs(void)
 		return -EFAULT;
 	}
 
-	proc_orig_interval_file = create_proc_entry(PROC_FILE_ORIG_INTERVAL,
-						    S_IWUSR | S_IRUGO,
-						    proc_batman_dir);
-	if (proc_orig_interval_file) {
-		proc_orig_interval_file->proc_fops = &proc_orig_interval_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_ORIG_INTERVAL);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
 	return 0;
 }
diff --git a/drivers/staging/batman-adv/proc.h b/drivers/staging/batman-adv/proc.h
index 6a972a6f26b..6f4f5b3e7e0 100644
--- a/drivers/staging/batman-adv/proc.h
+++ b/drivers/staging/batman-adv/proc.h
@@ -24,7 +24,6 @@
 
 #define PROC_ROOT_DIR "batman-adv"
 #define PROC_FILE_INTERFACES "interfaces"
-#define PROC_FILE_ORIG_INTERVAL "orig_interval"
 
 void cleanup_procfs(void);
 int setup_procfs(void);
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index a00aa887183..de2344a071c 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -36,10 +36,10 @@ static uint8_t hop_penalty(const uint8_t tq)
 }
 
 /* when do we schedule our own packet to be sent */
-static unsigned long own_send_time(void)
+static unsigned long own_send_time(struct bat_priv *bat_priv)
 {
 	return jiffies +
-		(((atomic_read(&originator_interval) - JITTER +
+		(((atomic_read(&bat_priv->orig_interval) - JITTER +
 		   (random32() % 2*JITTER)) * HZ) / 1000);
 }
 
@@ -277,7 +277,7 @@ void schedule_own_packet(struct batman_if *batman_if)
 	atomic_inc(&batman_if->seqno);
 
 	slide_own_bcast_window(batman_if);
-	send_time = own_send_time();
+	send_time = own_send_time(bat_priv);
 	add_bat_packet_to_list(bat_priv,
 			       batman_if->packet_buff,
 			       batman_if->packet_len,
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index e8d2e8c2c64..a8c6ad776df 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -84,6 +84,7 @@ struct bat_priv {
 	struct net_device_stats stats;
 	atomic_t aggregation_enabled;
 	atomic_t vis_mode;
+	atomic_t orig_interval;
 	struct kobject *mesh_obj;
 };
 

From 35bd69d42e2fba4c0fd547e3bf99a0afd5700f76 Mon Sep 17 00:00:00 2001
From: Marek Lindner <lindner_marek@yahoo.de>
Date: Fri, 7 May 2010 21:47:21 +0200
Subject: [PATCH 1302/3638] Staging: batman-adv: remove redundant pointer to
 originator interface

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/device.c         |  2 +-
 drivers/staging/batman-adv/originator.c     |  1 -
 drivers/staging/batman-adv/routing.c        | 17 ++++-------------
 drivers/staging/batman-adv/soft-interface.c |  5 ++---
 drivers/staging/batman-adv/types.h          |  1 -
 drivers/staging/batman-adv/vis.c            | 15 +++++++--------
 6 files changed, 14 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index 9887f05925e..c419c62bf7d 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -250,7 +250,7 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 	if (!orig_node->router)
 		goto unlock;
 
-	batman_if = orig_node->batman_if;
+	batman_if = orig_node->router->if_incoming;
 	memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
 
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 684db750cf1..4152701c368 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -137,7 +137,6 @@ struct orig_node *get_orig_node(uint8_t *addr)
 
 	memcpy(orig_node->orig, addr, ETH_ALEN);
 	orig_node->router = NULL;
-	orig_node->batman_if = NULL;
 	orig_node->hna_buff = NULL;
 
 	size = num_ifs * sizeof(TYPE_OF_WORD) * NUM_WORDS;
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index 8c055a124cf..0a9f52b8d35 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -97,11 +97,6 @@ static void update_route(struct orig_node *orig_node,
 		bat_dbg(DBG_ROUTES, "Changing route towards: %pM (now via %pM - was via %pM)\n", orig_node->orig, neigh_node->addr, orig_node->router->addr);
 	}
 
-	if (neigh_node != NULL)
-		orig_node->batman_if = neigh_node->if_incoming;
-	else
-		orig_node->batman_if = NULL;
-
 	orig_node->router = neigh_node;
 }
 
@@ -616,12 +611,11 @@ static int recv_my_icmp_packet(struct sk_buff *skb)
 	ret = NET_RX_DROP;
 
 	if ((orig_node != NULL) &&
-	    (orig_node->batman_if != NULL) &&
 	    (orig_node->router != NULL)) {
 
 		/* don't lock while sending the packets ... we therefore
 		 * copy the required data before sending */
-		batman_if = orig_node->batman_if;
+		batman_if = orig_node->router->if_incoming;
 		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
 		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
@@ -678,12 +672,11 @@ static int recv_icmp_ttl_exceeded(struct sk_buff *skb)
 	ret = NET_RX_DROP;
 
 	if ((orig_node != NULL) &&
-	    (orig_node->batman_if != NULL) &&
 	    (orig_node->router != NULL)) {
 
 		/* don't lock while sending the packets ... we therefore
 		 * copy the required data before sending */
-		batman_if = orig_node->batman_if;
+		batman_if = orig_node->router->if_incoming;
 		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
 		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
@@ -760,12 +753,11 @@ int recv_icmp_packet(struct sk_buff *skb)
 		     hash_find(orig_hash, icmp_packet->dst));
 
 	if ((orig_node != NULL) &&
-	    (orig_node->batman_if != NULL) &&
 	    (orig_node->router != NULL)) {
 
 		/* don't lock while sending the packets ... we therefore
 		 * copy the required data before sending */
-		batman_if = orig_node->batman_if;
+		batman_if = orig_node->router->if_incoming;
 		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
 		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
@@ -844,12 +836,11 @@ int recv_unicast_packet(struct sk_buff *skb)
 		     hash_find(orig_hash, unicast_packet->dest));
 
 	if ((orig_node != NULL) &&
-	    (orig_node->batman_if != NULL) &&
 	    (orig_node->router != NULL)) {
 
 		/* don't lock while sending the packets ... we therefore
 		 * copy the required data before sending */
-		batman_if = orig_node->batman_if;
+		batman_if = orig_node->router->if_incoming;
 		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
 		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index 829deb694b8..4cdebe5f874 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -236,7 +236,6 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 			orig_node = transtable_search(ethhdr->h_dest);
 
 		if ((orig_node) &&
-		    (orig_node->batman_if) &&
 		    (orig_node->router)) {
 			if (my_skb_push(skb, sizeof(struct unicast_packet)) < 0)
 				goto unlock;
@@ -252,13 +251,13 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 			memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
 
 			/* net_dev won't be available when not active */
-			if (orig_node->batman_if->if_active != IF_ACTIVE)
+			if (orig_node->router->if_incoming->if_active != IF_ACTIVE)
 				goto unlock;
 
 			/* don't lock while sending the packets ... we therefore
 			 * copy the required data before sending */
 
-			batman_if = orig_node->batman_if;
+			batman_if = orig_node->router->if_incoming;
 			memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
 			spin_unlock_irqrestore(&orig_hash_lock, flags);
 
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index a8c6ad776df..ffaa16c30af 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -49,7 +49,6 @@ struct batman_if {
 struct orig_node {               /* structure for orig_list maintaining nodes of mesh */
 	uint8_t orig[ETH_ALEN];
 	struct neigh_node *router;
-	struct batman_if *batman_if;
 	TYPE_OF_WORD *bcast_own;
 	uint8_t *bcast_own_sum;
 	uint8_t tq_own;
diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index 5edeb3261ac..57d69d70671 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -498,14 +498,14 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
 		if (orig_node->router != NULL
 			&& compare_orig(orig_node->router->addr,
 					orig_node->orig)
-			&& orig_node->batman_if
-			&& (orig_node->batman_if->if_active == IF_ACTIVE)
+			&& (orig_node->router->if_incoming->if_active ==
+								IF_ACTIVE)
 		    && orig_node->router->tq_avg > 0) {
 
 			/* fill one entry into buffer. */
 			entry = &entry_array[info->packet.entries];
 			memcpy(entry->src,
-			       orig_node->batman_if->net_dev->dev_addr,
+			     orig_node->router->if_incoming->net_dev->dev_addr,
 			       ETH_ALEN);
 			memcpy(entry->dest, orig_node->orig, ETH_ALEN);
 			entry->quality = orig_node->router->tq_avg;
@@ -573,8 +573,7 @@ static void broadcast_vis_packet(struct vis_info *info, int packet_length)
 		orig_node = hashit.bucket->data;
 
 		/* if it's a vis server and reachable, send it. */
-		if ((!orig_node) || (!orig_node->batman_if) ||
-		    (!orig_node->router))
+		if ((!orig_node) || (!orig_node->router))
 			continue;
 		if (!(orig_node->flags & VIS_SERVER))
 			continue;
@@ -584,7 +583,7 @@ static void broadcast_vis_packet(struct vis_info *info, int packet_length)
 			continue;
 
 		memcpy(info->packet.target_orig, orig_node->orig, ETH_ALEN);
-		batman_if = orig_node->batman_if;
+		batman_if = orig_node->router->if_incoming;
 		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
 		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
@@ -609,12 +608,12 @@ static void unicast_vis_packet(struct vis_info *info, int packet_length)
 	orig_node = ((struct orig_node *)
 		     hash_find(orig_hash, info->packet.target_orig));
 
-	if ((!orig_node) || (!orig_node->batman_if) || (!orig_node->router))
+	if ((!orig_node) || (!orig_node->router))
 		goto out;
 
 	/* don't lock while sending the packets ... we therefore
 	 * copy the required data before sending */
-	batman_if = orig_node->batman_if;
+	batman_if = orig_node->router->if_incoming;
 	memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
 

From 208e13e4297a1d9b986aa371c4529df7dda1c835 Mon Sep 17 00:00:00 2001
From: Marek Lindner <lindner_marek@yahoo.de>
Date: Fri, 7 May 2010 21:47:22 +0200
Subject: [PATCH 1303/3638] Staging: batman-adv: move /proc interface handling
 to /sys

Instead of having a single /proc file "interfaces" in which you have
to echo the wanted interface batman-adv will create a subfolder in each
suitable /sys/class/net folder. This subfolder contains files for the
interface specific settings. For example, mesh_iface to add/remove an
interface from a virtual mesh network (at the moment only bat0 is
supported).

Example:
echo bat0 > /sys/class/net/eth0/batman-adv/mesh_iface

to deactivate:
echo none > /sys/class/net/eth0/batman-adv/mesh_iface

Interfaces which are not compatible with batman-adv won't contain the
batman-adv folder, therefore can't be activated. Not supported are:
loopback, non-ethernet, non-ARP and virtual mesh network interfaces

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/Makefile           |   2 +-
 drivers/staging/batman-adv/bat_sysfs.c        | 147 +++++
 drivers/staging/batman-adv/bat_sysfs.h        |   3 +
 drivers/staging/batman-adv/device.c           |   2 +-
 drivers/staging/batman-adv/hard-interface.c   | 597 +++++++++---------
 drivers/staging/batman-adv/hard-interface.h   |  18 +-
 drivers/staging/batman-adv/main.c             |  21 +-
 drivers/staging/batman-adv/main.h             |   3 +-
 drivers/staging/batman-adv/originator.c       | 191 +++++-
 drivers/staging/batman-adv/originator.h       |   2 +
 drivers/staging/batman-adv/proc.c             | 170 -----
 drivers/staging/batman-adv/proc.h             |  30 -
 drivers/staging/batman-adv/routing.c          |   6 +-
 drivers/staging/batman-adv/send.c             |  59 +-
 drivers/staging/batman-adv/send.h             |   2 +-
 drivers/staging/batman-adv/soft-interface.c   |   2 +-
 .../staging/batman-adv/translation-table.c    |  14 +-
 drivers/staging/batman-adv/types.h            |   5 +-
 drivers/staging/batman-adv/vis.c              |   9 +-
 19 files changed, 710 insertions(+), 573 deletions(-)
 delete mode 100644 drivers/staging/batman-adv/proc.c
 delete mode 100644 drivers/staging/batman-adv/proc.h

diff --git a/drivers/staging/batman-adv/Makefile b/drivers/staging/batman-adv/Makefile
index 9ad04299161..f25068c0fae 100644
--- a/drivers/staging/batman-adv/Makefile
+++ b/drivers/staging/batman-adv/Makefile
@@ -19,4 +19,4 @@
 #
 
 obj-m += batman-adv.o
-batman-adv-objs := main.o proc.o send.o routing.o soft-interface.o device.o translation-table.o bitarray.o hash.o ring_buffer.o vis.o hard-interface.o aggregation.o originator.o bat_sysfs.o
+batman-adv-objs := main.o send.o routing.o soft-interface.o device.o translation-table.o bitarray.o hash.o ring_buffer.o vis.o hard-interface.o aggregation.o originator.o bat_sysfs.o
diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c
index ea7ce775009..1811c8da660 100644
--- a/drivers/staging/batman-adv/bat_sysfs.c
+++ b/drivers/staging/batman-adv/bat_sysfs.c
@@ -36,6 +36,14 @@ struct bat_attribute {
 			 char *buf, size_t count);
 };
 
+struct hardif_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
+			char *buf);
+	ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
+			 char *buf, size_t count);
+};
+
 #define BAT_ATTR(_name, _mode, _show, _store)	\
 struct bat_attribute bat_attr_##_name = {	\
 	.attr = {.name = __stringify(_name),	\
@@ -52,6 +60,14 @@ struct bin_attribute bat_attr_##_name = {		\
 	.write = _write,				\
 };
 
+#define HARDIF_ATTR(_name, _mode, _show, _store)	\
+struct hardif_attribute hardif_attr_##_name = {		\
+	.attr = {.name = __stringify(_name),		\
+		 .mode = _mode },			\
+	.show   = _show,				\
+	.store  = _store,				\
+};
+
 static ssize_t show_aggr_ogm(struct kobject *kobj, struct attribute *attr,
 			     char *buff)
 {
@@ -275,6 +291,8 @@ int sysfs_add_meshif(struct net_device *dev)
 	atomic_set(&bat_priv->aggregation_enabled, 1);
 	atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
 	atomic_set(&bat_priv->orig_interval, 1000);
+	bat_priv->primary_if = NULL;
+	bat_priv->num_ifaces = 0;
 
 	bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
 						    batif_kobject);
@@ -335,3 +353,132 @@ void sysfs_del_meshif(struct net_device *dev)
 	kobject_put(bat_priv->mesh_obj);
 	bat_priv->mesh_obj = NULL;
 }
+
+static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr,
+			       char *buff)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+	struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
+
+	if (!batman_if)
+		return 0;
+
+	return sprintf(buff, "status: %s\ncommands: none, bat0 \n",
+		       batman_if->if_status == IF_NOT_IN_USE ?
+							"none" : "bat0");
+}
+
+static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
+				char *buff, size_t count)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+	struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
+	int status_tmp = -1;
+
+	if (!batman_if)
+		return count;
+
+	if (strncmp(buff, "none", 4) == 0)
+		status_tmp = IF_NOT_IN_USE;
+
+	if (strncmp(buff, "bat0", 4) == 0)
+		status_tmp = IF_I_WANT_YOU;
+
+	if (status_tmp < 0) {
+		if (buff[count - 1] == '\n')
+			buff[count - 1] = '\0';
+
+		printk(KERN_ERR "batman-adv:Invalid parameter for 'mesh_iface' setting received: %s\n",
+		       buff);
+		return -EINVAL;
+	}
+
+	if ((batman_if->if_status == status_tmp) ||
+	    ((status_tmp == IF_I_WANT_YOU) &&
+	     (batman_if->if_status != IF_NOT_IN_USE)))
+		return count;
+
+	if (status_tmp == IF_I_WANT_YOU)
+		status_tmp = hardif_enable_interface(batman_if);
+	else
+		hardif_disable_interface(batman_if);
+
+	return (status_tmp < 0 ? status_tmp : count);
+}
+
+static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr,
+				 char *buff)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+	struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
+
+	if (!batman_if)
+		return 0;
+
+	switch (batman_if->if_status) {
+	case IF_TO_BE_REMOVED:
+		return sprintf(buff, "disabling\n");
+	case IF_INACTIVE:
+		return sprintf(buff, "inactive\n");
+	case IF_ACTIVE:
+		return sprintf(buff, "active\n");
+	case IF_TO_BE_ACTIVATED:
+		return sprintf(buff, "enabling\n");
+	case IF_NOT_IN_USE:
+	default:
+		return sprintf(buff, "not in use\n");
+	}
+}
+
+static HARDIF_ATTR(mesh_iface, S_IRUGO | S_IWUSR,
+		   show_mesh_iface, store_mesh_iface);
+static HARDIF_ATTR(iface_status, S_IRUGO, show_iface_status, NULL);
+
+static struct hardif_attribute *batman_attrs[] = {
+	&hardif_attr_mesh_iface,
+	&hardif_attr_iface_status,
+	NULL,
+};
+
+int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
+{
+	struct kobject *hardif_kobject = &dev->dev.kobj;
+	struct hardif_attribute **hardif_attr;
+	int err;
+
+	*hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR,
+						    hardif_kobject);
+
+	if (!*hardif_obj) {
+		printk(KERN_ERR "batman-adv:Can't add sysfs directory: %s/%s\n",
+		       dev->name, SYSFS_IF_BAT_SUBDIR);
+		goto out;
+	}
+
+	for (hardif_attr = batman_attrs; *hardif_attr; ++hardif_attr) {
+		err = sysfs_create_file(*hardif_obj, &((*hardif_attr)->attr));
+		if (err) {
+			printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
+			       dev->name, SYSFS_IF_BAT_SUBDIR,
+			       ((*hardif_attr)->attr).name);
+			goto rem_attr;
+		}
+	}
+
+	return 0;
+
+rem_attr:
+	for (hardif_attr = batman_attrs; *hardif_attr; ++hardif_attr)
+		sysfs_remove_file(*hardif_obj, &((*hardif_attr)->attr));
+out:
+	return -ENOMEM;
+}
+
+void sysfs_del_hardif(struct kobject **hardif_obj)
+{
+	kobject_put(*hardif_obj);
+	*hardif_obj = NULL;
+}
diff --git a/drivers/staging/batman-adv/bat_sysfs.h b/drivers/staging/batman-adv/bat_sysfs.h
index 671ebd1aac3..e1893411871 100644
--- a/drivers/staging/batman-adv/bat_sysfs.h
+++ b/drivers/staging/batman-adv/bat_sysfs.h
@@ -21,6 +21,9 @@
 
 
 #define SYSFS_IF_MESH_SUBDIR "mesh"
+#define SYSFS_IF_BAT_SUBDIR "batman_adv"
 
 int sysfs_add_meshif(struct net_device *dev);
 void sysfs_del_meshif(struct net_device *dev);
+int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev);
+void sysfs_del_hardif(struct kobject **hardif_obj);
diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index c419c62bf7d..b2ecba2d40a 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -258,7 +258,7 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 	if (!batman_if)
 		goto dst_unreach;
 
-	if (batman_if->if_active != IF_ACTIVE)
+	if (batman_if->if_status != IF_ACTIVE)
 		goto dst_unreach;
 
 	memcpy(icmp_packet.orig,
diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c
index cb9e9272a79..b82cae79c42 100644
--- a/drivers/staging/batman-adv/hard-interface.c
+++ b/drivers/staging/batman-adv/hard-interface.c
@@ -25,22 +25,21 @@
 #include "send.h"
 #include "translation-table.h"
 #include "routing.h"
+#include "bat_sysfs.h"
+#include "originator.h"
 #include "hash.h"
 
+#include <linux/if_arp.h>
+
 #define MIN(x, y) ((x) < (y) ? (x) : (y))
 
-static char avail_ifs;
-static char active_ifs;
-
-static void hardif_free_interface(struct rcu_head *rcu);
-
-static struct batman_if *get_batman_if_by_name(char *name)
+struct batman_if *get_batman_if_by_netdev(struct net_device *net_dev)
 {
 	struct batman_if *batman_if;
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		if (strncmp(batman_if->dev, name, IFNAMSIZ) == 0)
+		if (batman_if->net_dev == net_dev)
 			goto out;
 	}
 
@@ -51,23 +50,90 @@ out:
 	return batman_if;
 }
 
-int hardif_min_mtu(void)
+static int is_valid_iface(struct net_device *net_dev)
+{
+	if (net_dev->flags & IFF_LOOPBACK)
+		return 0;
+
+	if (net_dev->type != ARPHRD_ETHER)
+		return 0;
+
+	if (net_dev->addr_len != ETH_ALEN)
+		return 0;
+
+	/* no batman over batman */
+#ifdef HAVE_NET_DEVICE_OPS
+	if (net_dev->netdev_ops->ndo_start_xmit == interface_tx)
+		return 0;
+#else
+	if (net_dev->hard_start_xmit == interface_tx)
+		return 0;
+#endif
+
+	/* Device is being bridged */
+	/* if (net_dev->br_port != NULL)
+		return 0; */
+
+	return 1;
+}
+
+static struct batman_if *get_active_batman_if(void)
 {
 	struct batman_if *batman_if;
-	/* allow big frames if all devices are capable to do so
-	 * (have MTU > 1500 + BAT_HEADER_LEN) */
-	int min_mtu = ETH_DATA_LEN;
 
+	/* TODO: should check interfaces belonging to bat_priv */
 	rcu_read_lock();
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		if ((batman_if->if_active == IF_ACTIVE) ||
-		    (batman_if->if_active == IF_TO_BE_ACTIVATED))
-			min_mtu = MIN(batman_if->net_dev->mtu - BAT_HEADER_LEN,
-				      min_mtu);
+		if (batman_if->if_status == IF_ACTIVE)
+			goto out;
 	}
-	rcu_read_unlock();
 
-	return min_mtu;
+	batman_if = NULL;
+
+out:
+	rcu_read_unlock();
+	return batman_if;
+}
+
+static void set_primary_if(struct bat_priv *bat_priv,
+			   struct batman_if *batman_if)
+{
+	struct batman_packet *batman_packet;
+
+	bat_priv->primary_if = batman_if;
+
+	if (!bat_priv->primary_if)
+		return;
+
+	set_main_if_addr(batman_if->net_dev->dev_addr);
+
+	batman_packet = (struct batman_packet *)(batman_if->packet_buff);
+	batman_packet->flags = 0;
+	batman_packet->ttl = TTL;
+
+	/***
+	 * hacky trick to make sure that we send the HNA information via
+	 * our new primary interface
+	 */
+	atomic_set(&hna_local_changed, 1);
+}
+
+static bool hardif_is_iface_up(struct batman_if *batman_if)
+{
+	if (batman_if->net_dev->flags & IFF_UP)
+		return true;
+
+	return false;
+}
+
+static void update_mac_addresses(struct batman_if *batman_if)
+{
+	addr_to_string(batman_if->addr_str, batman_if->net_dev->dev_addr);
+
+	memcpy(((struct batman_packet *)(batman_if->packet_buff))->orig,
+	       batman_if->net_dev->dev_addr, ETH_ALEN);
+	memcpy(((struct batman_packet *)(batman_if->packet_buff))->prev_sender,
+	       batman_if->net_dev->dev_addr, ETH_ALEN);
 }
 
 static void check_known_mac_addr(uint8_t *addr)
@@ -76,8 +142,8 @@ static void check_known_mac_addr(uint8_t *addr)
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		if ((batman_if->if_active != IF_ACTIVE) &&
-		    (batman_if->if_active != IF_TO_BE_ACTIVATED))
+		if ((batman_if->if_status != IF_ACTIVE) &&
+		    (batman_if->if_status != IF_TO_BE_ACTIVATED))
 			continue;
 
 		if (!compare_orig(batman_if->net_dev->dev_addr, addr))
@@ -90,6 +156,25 @@ static void check_known_mac_addr(uint8_t *addr)
 	rcu_read_unlock();
 }
 
+int hardif_min_mtu(void)
+{
+	struct batman_if *batman_if;
+	/* allow big frames if all devices are capable to do so
+	 * (have MTU > 1500 + BAT_HEADER_LEN) */
+	int min_mtu = ETH_DATA_LEN;
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(batman_if, &if_list, list) {
+		if ((batman_if->if_status == IF_ACTIVE) ||
+		    (batman_if->if_status == IF_TO_BE_ACTIVATED))
+			min_mtu = MIN(batman_if->net_dev->mtu - BAT_HEADER_LEN,
+				      min_mtu);
+	}
+	rcu_read_unlock();
+
+	return min_mtu;
+}
+
 /* adjusts the MTU if a new interface with a smaller MTU appeared. */
 void update_min_mtu(void)
 {
@@ -100,322 +185,246 @@ void update_min_mtu(void)
 		soft_device->mtu = min_mtu;
 }
 
-/* checks if the interface is up. (returns 1 if it is) */
-static int hardif_is_interface_up(char *dev)
+static void hardif_activate_interface(struct bat_priv *bat_priv,
+				      struct batman_if *batman_if)
 {
-	struct net_device *net_dev;
-
-	/**
-	 * if we already have an interface in our interface list and
-	 * the current interface is not the primary interface and
-	 * the primary interface is not up and
-	 * the primary interface has never been up - don't activate any
-	 * secondary interface !
-	 */
-
-	rcu_read_lock();
-	if ((!list_empty(&if_list)) &&
-	    strncmp(((struct batman_if *)if_list.next)->dev, dev, IFNAMSIZ) &&
-	    !(((struct batman_if *)if_list.next)->if_active == IF_ACTIVE) &&
-	    !(((struct batman_if *)if_list.next)->if_active == IF_TO_BE_ACTIVATED) &&
-	    (!main_if_was_up())) {
-		rcu_read_unlock();
-		goto end;
-	}
-	rcu_read_unlock();
-
-#ifdef __NET_NET_NAMESPACE_H
-	net_dev = dev_get_by_name(&init_net, dev);
-#else
-	net_dev = dev_get_by_name(dev);
-#endif
-	if (!net_dev)
-		goto end;
-
-	if (!(net_dev->flags & IFF_UP))
-		goto failure;
-
-	dev_put(net_dev);
-	return 1;
-
-failure:
-	dev_put(net_dev);
-end:
-	return 0;
-}
-
-/* deactivates the interface. */
-void hardif_deactivate_interface(struct batman_if *batman_if)
-{
-	if (batman_if->if_active != IF_ACTIVE)
+	if (batman_if->if_status != IF_INACTIVE)
 		return;
 
+	dev_hold(batman_if->net_dev);
+
+	update_mac_addresses(batman_if);
+	batman_if->if_status = IF_TO_BE_ACTIVATED;
+
 	/**
-	 * batman_if->net_dev has been acquired by dev_get_by_name() in
-	 * proc_interfaces_write() and has to be unreferenced.
+	 * the first active interface becomes our primary interface or
+	 * the next active interface after the old primay interface was removed
 	 */
-
-	if (batman_if->net_dev)
-		dev_put(batman_if->net_dev);
-
-	batman_if->if_active = IF_INACTIVE;
-	active_ifs--;
-
-	printk(KERN_INFO "batman-adv:Interface deactivated: %s\n",
-		  batman_if->dev);
-}
-
-/* (re)activate given interface. */
-static void hardif_activate_interface(struct batman_if *batman_if)
-{
-	if (batman_if->if_active != IF_INACTIVE)
-		return;
-
-#ifdef __NET_NET_NAMESPACE_H
-	batman_if->net_dev = dev_get_by_name(&init_net, batman_if->dev);
-#else
-	batman_if->net_dev = dev_get_by_name(batman_if->dev);
-#endif
-	if (!batman_if->net_dev)
-		goto dev_err;
-
-	check_known_mac_addr(batman_if->net_dev->dev_addr);
-
-	addr_to_string(batman_if->addr_str, batman_if->net_dev->dev_addr);
-
-	memcpy(((struct batman_packet *)(batman_if->packet_buff))->orig,
-	       batman_if->net_dev->dev_addr, ETH_ALEN);
-	memcpy(((struct batman_packet *)(batman_if->packet_buff))->prev_sender,
-	       batman_if->net_dev->dev_addr, ETH_ALEN);
-
-	batman_if->if_active = IF_TO_BE_ACTIVATED;
-	active_ifs++;
-
-	/* save the mac address if it is our primary interface */
-	if (batman_if->if_num == 0)
-		set_main_if_addr(batman_if->net_dev->dev_addr);
+	if (!bat_priv->primary_if)
+		set_primary_if(bat_priv, batman_if);
 
 	printk(KERN_INFO "batman-adv:Interface activated: %s\n",
-		  batman_if->dev);
+	       batman_if->dev);
 
+	if (atomic_read(&module_state) == MODULE_INACTIVE)
+		activate_module();
+
+	update_min_mtu();
 	return;
+}
 
-dev_err:
-	batman_if->net_dev = NULL;
+static void hardif_deactivate_interface(struct batman_if *batman_if)
+{
+	if ((batman_if->if_status != IF_ACTIVE) &&
+	   (batman_if->if_status != IF_TO_BE_ACTIVATED))
+		return;
+
+	dev_put(batman_if->net_dev);
+
+	batman_if->if_status = IF_INACTIVE;
+
+	printk(KERN_INFO "batman-adv:Interface deactivated: %s\n",
+	       batman_if->dev);
+
+	update_min_mtu();
+}
+
+int hardif_enable_interface(struct batman_if *batman_if)
+{
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
+	struct batman_packet *batman_packet;
+
+	if (batman_if->if_status != IF_NOT_IN_USE)
+		goto out;
+
+	batman_if->packet_len = BAT_PACKET_LEN;
+	batman_if->packet_buff = kmalloc(batman_if->packet_len, GFP_ATOMIC);
+
+	if (!batman_if->packet_buff) {
+		printk(KERN_ERR "batman-adv:Can't add interface packet (%s): out of memory\n",
+		       batman_if->dev);
+		goto err;
+	}
+
+	batman_packet = (struct batman_packet *)(batman_if->packet_buff);
+	batman_packet->packet_type = BAT_PACKET;
+	batman_packet->version = COMPAT_VERSION;
+	batman_packet->flags = 0;
+	batman_packet->ttl = 2;
+	batman_packet->tq = TQ_MAX_VALUE;
+	batman_packet->num_hna = 0;
+
+	batman_if->if_num = bat_priv->num_ifaces;
+	bat_priv->num_ifaces++;
+	batman_if->if_status = IF_INACTIVE;
+	orig_hash_add_if(batman_if, bat_priv->num_ifaces);
+
+	atomic_set(&batman_if->seqno, 1);
+	printk(KERN_INFO "batman-adv:Adding interface: %s\n", batman_if->dev);
+
+	if (hardif_is_iface_up(batman_if))
+		hardif_activate_interface(bat_priv, batman_if);
+	else
+		printk(KERN_ERR "batman-adv:Not using interface %s (retrying later): interface not active\n", batman_if->dev);
+
+	/* begin scheduling originator messages on that interface */
+	schedule_own_packet(batman_if);
+
+out:
+	return 0;
+
+err:
+	return -ENOMEM;
+}
+
+void hardif_disable_interface(struct batman_if *batman_if)
+{
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
+
+	if (batman_if->if_status == IF_ACTIVE)
+		hardif_deactivate_interface(batman_if);
+
+	if (batman_if->if_status != IF_INACTIVE)
+		return;
+
+	printk(KERN_INFO "batman-adv:Removing interface: %s\n", batman_if->dev);
+	bat_priv->num_ifaces--;
+	orig_hash_del_if(batman_if, bat_priv->num_ifaces);
+
+	if (batman_if == bat_priv->primary_if)
+		set_primary_if(bat_priv, get_active_batman_if());
+
+	kfree(batman_if->packet_buff);
+	batman_if->packet_buff = NULL;
+	batman_if->if_status = IF_NOT_IN_USE;
+
+	if ((atomic_read(&module_state) == MODULE_ACTIVE) &&
+	    (bat_priv->num_ifaces == 0))
+		deactivate_module();
+}
+
+static struct batman_if *hardif_add_interface(struct net_device *net_dev)
+{
+	struct batman_if *batman_if;
+	int ret;
+
+	ret = is_valid_iface(net_dev);
+	if (ret != 1)
+		goto out;
+
+	batman_if = kmalloc(sizeof(struct batman_if), GFP_ATOMIC);
+	if (!batman_if) {
+		printk(KERN_ERR "batman-adv:Can't add interface (%s): out of memory\n",
+		       net_dev->name);
+		goto out;
+	}
+
+	batman_if->dev = kstrdup(net_dev->name, GFP_ATOMIC);
+	if (!batman_if->dev)
+		goto free_if;
+
+	ret = sysfs_add_hardif(&batman_if->hardif_obj, net_dev);
+	if (ret)
+		goto free_dev;
+
+	batman_if->if_num = -1;
+	batman_if->net_dev = net_dev;
+	batman_if->if_status = IF_NOT_IN_USE;
+	INIT_RCU_HEAD(&batman_if->rcu);
+	INIT_LIST_HEAD(&batman_if->list);
+
+	check_known_mac_addr(batman_if->net_dev->dev_addr);
+	list_add_tail_rcu(&batman_if->list, &if_list);
+	return batman_if;
+
+free_dev:
+	kfree(batman_if->dev);
+free_if:
+	kfree(batman_if);
+out:
+	return NULL;
 }
 
 static void hardif_free_interface(struct rcu_head *rcu)
 {
 	struct batman_if *batman_if = container_of(rcu, struct batman_if, rcu);
 
-	kfree(batman_if->packet_buff);
+	/* delete all references to this batman_if */
+	purge_orig(NULL);
+	purge_outstanding_packets(batman_if);
+
 	kfree(batman_if->dev);
 	kfree(batman_if);
 }
 
-/**
- * called by
- *  - echo '' > /proc/.../interfaces
- *  - modprobe -r batman-adv-core
- */
-/* removes and frees all interfaces */
+static void hardif_remove_interface(struct batman_if *batman_if)
+{
+	/* first deactivate interface */
+	if (batman_if->if_status != IF_NOT_IN_USE)
+		hardif_disable_interface(batman_if);
+
+	if (batman_if->if_status != IF_NOT_IN_USE)
+		return;
+
+	batman_if->if_status = IF_TO_BE_REMOVED;
+	list_del_rcu(&batman_if->list);
+	sysfs_del_hardif(&batman_if->hardif_obj);
+	call_rcu(&batman_if->rcu, hardif_free_interface);
+}
+
 void hardif_remove_interfaces(void)
 {
-	struct batman_if *batman_if = NULL;
+	struct batman_if *batman_if, *batman_if_tmp;
 
-	avail_ifs = 0;
-
-	/* no lock needed - we don't delete somewhere else */
-	list_for_each_entry(batman_if, &if_list, list) {
-
-		list_del_rcu(&batman_if->list);
-
-		/* first deactivate interface */
-		if (batman_if->if_active != IF_INACTIVE)
-			hardif_deactivate_interface(batman_if);
-
-		call_rcu(&batman_if->rcu, hardif_free_interface);
-	}
-}
-
-static int resize_orig(struct orig_node *orig_node, int if_num)
-{
-	void *data_ptr;
-
-	data_ptr = kmalloc((if_num + 1) * sizeof(TYPE_OF_WORD) * NUM_WORDS,
-			   GFP_ATOMIC);
-	if (!data_ptr) {
-		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
-		return -1;
-	}
-
-	memcpy(data_ptr, orig_node->bcast_own,
-	       if_num * sizeof(TYPE_OF_WORD) * NUM_WORDS);
-	kfree(orig_node->bcast_own);
-	orig_node->bcast_own = data_ptr;
-
-	data_ptr = kmalloc((if_num + 1) * sizeof(uint8_t), GFP_ATOMIC);
-	if (!data_ptr) {
-		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
-		return -1;
-	}
-
-	memcpy(data_ptr, orig_node->bcast_own_sum, if_num * sizeof(uint8_t));
-	kfree(orig_node->bcast_own_sum);
-	orig_node->bcast_own_sum = data_ptr;
-
-	return 0;
-}
-
-
-/* adds an interface the interface list and activate it, if possible */
-int hardif_add_interface(char *dev, int if_num)
-{
-	struct batman_if *batman_if;
-	struct batman_packet *batman_packet;
-	struct orig_node *orig_node;
-	unsigned long flags;
-	HASHIT(hashit);
-
-	batman_if = kmalloc(sizeof(struct batman_if), GFP_KERNEL);
-
-	if (!batman_if) {
-		printk(KERN_ERR "batman-adv:Can't add interface (%s): out of memory\n", dev);
-		return -1;
-	}
-
-	batman_if->net_dev = NULL;
-
-	if ((if_num == 0) && (num_hna > 0))
-		batman_if->packet_len = BAT_PACKET_LEN + num_hna * ETH_ALEN;
-	else
-		batman_if->packet_len = BAT_PACKET_LEN;
-
-	batman_if->packet_buff = kmalloc(batman_if->packet_len, GFP_KERNEL);
-
-	if (!batman_if->packet_buff) {
-		printk(KERN_ERR "batman-adv:Can't add interface packet (%s): out of memory\n", dev);
-		goto out;
-	}
-
-	batman_if->if_num = if_num;
-	batman_if->dev = dev;
-	batman_if->if_active = IF_INACTIVE;
-	INIT_RCU_HEAD(&batman_if->rcu);
-
-	printk(KERN_INFO "batman-adv:Adding interface: %s\n", dev);
-	avail_ifs++;
-
-	INIT_LIST_HEAD(&batman_if->list);
-
-	batman_packet = (struct batman_packet *)(batman_if->packet_buff);
-	batman_packet->packet_type = BAT_PACKET;
-	batman_packet->version = COMPAT_VERSION;
-	batman_packet->flags = 0x00;
-	batman_packet->ttl = (batman_if->if_num > 0 ? 2 : TTL);
-	batman_packet->flags = 0;
-	batman_packet->tq = TQ_MAX_VALUE;
-	batman_packet->num_hna = 0;
-
-	if (batman_if->packet_len != BAT_PACKET_LEN) {
-		unsigned char *hna_buff;
-		int hna_len;
-
-		hna_buff = batman_if->packet_buff + BAT_PACKET_LEN;
-		hna_len = batman_if->packet_len - BAT_PACKET_LEN;
-		batman_packet->num_hna = hna_local_fill_buffer(hna_buff,
-							       hna_len);
-	}
-
-	atomic_set(&batman_if->seqno, 1);
-
-	/* resize all orig nodes because orig_node->bcast_own(_sum) depend on
-	 * if_num */
-	spin_lock_irqsave(&orig_hash_lock, flags);
-
-	while (hash_iterate(orig_hash, &hashit)) {
-		orig_node = hashit.bucket->data;
-		if (resize_orig(orig_node, if_num) == -1) {
-			spin_unlock_irqrestore(&orig_hash_lock, flags);
-			goto out;
-		}
-	}
-
-	spin_unlock_irqrestore(&orig_hash_lock, flags);
-
-	if (!hardif_is_interface_up(batman_if->dev))
-		printk(KERN_ERR "batman-adv:Not using interface %s (retrying later): interface not active\n", batman_if->dev);
-	else
-		hardif_activate_interface(batman_if);
-
-	list_add_tail_rcu(&batman_if->list, &if_list);
-
-	/* begin sending originator messages on that interface */
-	schedule_own_packet(batman_if);
-	return 1;
-
-out:
-	kfree(batman_if->packet_buff);
-	kfree(batman_if);
-	kfree(dev);
-	return -1;
-}
-
-char hardif_get_active_if_num(void)
-{
-	return active_ifs;
+	list_for_each_entry_safe(batman_if, batman_if_tmp, &if_list, list)
+		hardif_remove_interface(batman_if);
 }
 
 static int hard_if_event(struct notifier_block *this,
-			    unsigned long event, void *ptr)
+			 unsigned long event, void *ptr)
 {
-	struct net_device *dev = (struct net_device *)ptr;
-	struct batman_if *batman_if = get_batman_if_by_name(dev->name);
+	struct net_device *net_dev = (struct net_device *)ptr;
+	struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
+
+	if (!batman_if)
+		batman_if = hardif_add_interface(net_dev);
 
 	if (!batman_if)
 		goto out;
 
 	switch (event) {
-	case NETDEV_GOING_DOWN:
-	case NETDEV_DOWN:
-	case NETDEV_UNREGISTER:
-		hardif_deactivate_interface(batman_if);
+	case NETDEV_REGISTER:
 		break;
 	case NETDEV_UP:
-		hardif_activate_interface(batman_if);
-		if ((atomic_read(&module_state) == MODULE_INACTIVE) &&
-		    (hardif_get_active_if_num() > 0)) {
-			activate_module();
-		}
+		hardif_activate_interface(bat_priv, batman_if);
+		break;
+	case NETDEV_GOING_DOWN:
+	case NETDEV_DOWN:
+		hardif_deactivate_interface(batman_if);
+		break;
+	case NETDEV_UNREGISTER:
+		hardif_remove_interface(batman_if);
+		break;
+	case NETDEV_CHANGENAME:
+		break;
+	case NETDEV_CHANGEADDR:
+		check_known_mac_addr(batman_if->net_dev->dev_addr);
+		update_mac_addresses(batman_if);
+		if (batman_if == bat_priv->primary_if)
+			set_primary_if(bat_priv, batman_if);
 		break;
-	/* NETDEV_CHANGEADDR - mac address change - what are we doing here ? */
 	default:
 		break;
 	};
 
-	update_min_mtu();
-
 out:
 	return NOTIFY_DONE;
 }
 
-/* find batman interface by netdev. assumes rcu_read_lock on */
-static struct batman_if *find_batman_if(struct net_device *dev)
-{
-	struct batman_if *batman_if;
-
-	rcu_read_lock();
-	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		if (batman_if->net_dev == dev) {
-			rcu_read_unlock();
-			return batman_if;
-		}
-	}
-	rcu_read_unlock();
-	return NULL;
-}
-
-
 /* receive a packet with the batman ethertype coming on a hard
  * interface */
 int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
@@ -444,12 +453,12 @@ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
 				|| !skb_mac_header(skb)))
 		goto err_free;
 
-	batman_if = find_batman_if(skb->dev);
+	batman_if = get_batman_if_by_netdev(skb->dev);
 	if (!batman_if)
 		goto err_free;
 
 	/* discard frames on not active interfaces */
-	if (batman_if->if_active != IF_ACTIVE)
+	if (batman_if->if_status != IF_ACTIVE)
 		goto err_free;
 
 	stats = (struct net_device_stats *)dev_get_stats(skb->dev);
diff --git a/drivers/staging/batman-adv/hard-interface.h b/drivers/staging/batman-adv/hard-interface.h
index 4100a276c49..1e5fc3e720f 100644
--- a/drivers/staging/batman-adv/hard-interface.h
+++ b/drivers/staging/batman-adv/hard-interface.h
@@ -19,19 +19,19 @@
  *
  */
 
-#define IF_INACTIVE 0
-#define IF_ACTIVE 1
-/* #define IF_TO_BE_DEACTIVATED 2 - not needed anymore */
-#define IF_TO_BE_ACTIVATED 3
+#define IF_NOT_IN_USE 0
+#define IF_TO_BE_REMOVED 1
+#define IF_INACTIVE 2
+#define IF_ACTIVE 3
+#define IF_TO_BE_ACTIVATED 4
+#define IF_I_WANT_YOU 5
 
 extern struct notifier_block hard_if_notifier;
 
+struct batman_if *get_batman_if_by_netdev(struct net_device *net_dev);
+int hardif_enable_interface(struct batman_if *batman_if);
+void hardif_disable_interface(struct batman_if *batman_if);
 void hardif_remove_interfaces(void);
-int hardif_add_interface(char *dev, int if_num);
-void hardif_deactivate_interface(struct batman_if *batman_if);
-char hardif_get_active_if_num(void);
-void hardif_check_interfaces_status(void);
-void hardif_check_interfaces_status_wq(struct work_struct *work);
 int batman_skb_recv(struct sk_buff *skb,
 				struct net_device *dev,
 				struct packet_type *ptype,
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index 7d726857023..c1e57aaf2e5 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -20,7 +20,6 @@
  */
 
 #include "main.h"
-#include "proc.h"
 #include "bat_sysfs.h"
 #include "routing.h"
 #include "send.h"
@@ -44,7 +43,6 @@ DEFINE_SPINLOCK(forw_bcast_list_lock);
 
 atomic_t vis_interval;
 int16_t num_hna;
-int16_t num_ifs;
 
 struct net_device *soft_device;
 
@@ -89,10 +87,6 @@ int init_module(void)
 	if (!bat_event_workqueue)
 		return -ENOMEM;
 
-	retval = setup_procfs();
-	if (retval < 0)
-		return retval;
-
 	bat_device_init();
 
 	/* initialize layer 2 interface */
@@ -135,7 +129,10 @@ end:
 
 void cleanup_module(void)
 {
-	shutdown_module();
+	deactivate_module();
+
+	unregister_netdevice_notifier(&hard_if_notifier);
+	hardif_remove_interfaces();
 
 	if (soft_device) {
 		sysfs_del_meshif(soft_device);
@@ -145,9 +142,6 @@ void cleanup_module(void)
 
 	dev_remove_pack(&batman_adv_packet_type);
 
-	unregister_netdevice_notifier(&hard_if_notifier);
-	cleanup_procfs();
-
 	destroy_workqueue(bat_event_workqueue);
 	bat_event_workqueue = NULL;
 }
@@ -178,17 +172,17 @@ void activate_module(void)
 
 err:
 	printk(KERN_ERR "batman-adv:Unable to allocate memory for mesh information structures: out of mem ?\n");
-	shutdown_module();
+	deactivate_module();
 end:
 	return;
 }
 
 /* shuts down the whole module.*/
-void shutdown_module(void)
+void deactivate_module(void)
 {
 	atomic_set(&module_state, MODULE_DEACTIVATING);
 
-	purge_outstanding_packets();
+	purge_outstanding_packets(NULL);
 	flush_workqueue(bat_event_workqueue);
 
 	vis_quit();
@@ -203,7 +197,6 @@ void shutdown_module(void)
 	synchronize_net();
 	bat_device_destroy();
 
-	hardif_remove_interfaces();
 	synchronize_rcu();
 	atomic_set(&module_state, MODULE_INACTIVE);
 }
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 59a70c7e90c..247196ca751 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -129,7 +129,6 @@ extern spinlock_t forw_bcast_list_lock;
 
 extern atomic_t vis_interval;
 extern int16_t num_hna;
-extern int16_t num_ifs;
 
 extern struct net_device *soft_device;
 
@@ -138,7 +137,7 @@ extern atomic_t module_state;
 extern struct workqueue_struct *bat_event_workqueue;
 
 void activate_module(void);
-void shutdown_module(void);
+void deactivate_module(void);
 void inc_module_count(void);
 void dec_module_count(void);
 int addr_to_string(char *buff, uint8_t *addr);
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 4152701c368..44bbe894152 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -118,6 +118,8 @@ void free_orig_node(void *data)
  * address if it does not exits */
 struct orig_node *get_orig_node(uint8_t *addr)
 {
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct orig_node *orig_node;
 	struct hashtable_t *swaphash;
 	int size;
@@ -139,13 +141,13 @@ struct orig_node *get_orig_node(uint8_t *addr)
 	orig_node->router = NULL;
 	orig_node->hna_buff = NULL;
 
-	size = num_ifs * sizeof(TYPE_OF_WORD) * NUM_WORDS;
+	size = bat_priv->num_ifaces * sizeof(TYPE_OF_WORD) * NUM_WORDS;
 
 	orig_node->bcast_own = kzalloc(size, GFP_ATOMIC);
 	if (!orig_node->bcast_own)
 		goto free_orig_node;
 
-	size = num_ifs * sizeof(uint8_t);
+	size = bat_priv->num_ifaces * sizeof(uint8_t);
 	orig_node->bcast_own_sum = kzalloc(size, GFP_ATOMIC);
 	if (!orig_node->bcast_own_sum)
 		goto free_bcast_own;
@@ -182,16 +184,25 @@ static bool purge_orig_neighbors(struct orig_node *orig_node,
 
 	*best_neigh_node = NULL;
 
-
 	/* for all neighbors towards this originator ... */
 	list_for_each_safe(list_pos, list_pos_tmp, &orig_node->neigh_list) {
 		neigh_node = list_entry(list_pos, struct neigh_node, list);
 
-		if (time_after(jiffies,
+		if ((time_after(jiffies,
 			       (neigh_node->last_valid +
-				((PURGE_TIMEOUT * HZ) / 1000)))) {
+				((PURGE_TIMEOUT * HZ) / 1000)))) ||
+		    (neigh_node->if_incoming->if_status ==
+						IF_TO_BE_REMOVED)) {
 
-			bat_dbg(DBG_BATMAN, "neighbor timeout: originator %pM, neighbor: %pM, last_valid %lu\n", orig_node->orig, neigh_node->addr, (neigh_node->last_valid / HZ));
+			if (neigh_node->if_incoming->if_status ==
+							IF_TO_BE_REMOVED)
+				bat_dbg(DBG_BATMAN, "neighbor purge: originator %pM, neighbor: %pM, iface: %s\n",
+					orig_node->orig, neigh_node->addr,
+					neigh_node->if_incoming->dev);
+			else
+				bat_dbg(DBG_BATMAN, "neighbor timeout: originator %pM, neighbor: %pM, last_valid: %lu\n",
+					orig_node->orig, neigh_node->addr,
+					(neigh_node->last_valid / HZ));
 
 			neigh_purged = true;
 			list_del(list_pos);
@@ -246,13 +257,17 @@ void purge_orig(struct work_struct *work)
 
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
 
-	start_purge_timer();
+	/* if work == NULL we were not called by the timer
+	 * and thus do not need to re-arm the timer */
+	if (work)
+		start_purge_timer();
 }
 
 ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 			      size_t count, loff_t off)
 {
 	HASHIT(hashit);
+	struct bat_priv *bat_priv = netdev_priv(net_dev);
 	struct orig_node *orig_node;
 	struct neigh_node *neigh_node;
 	size_t hdr_len, tmp_len;
@@ -260,10 +275,7 @@ ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 	unsigned long flags;
 	char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN];
 
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-
+	if (!bat_priv->primary_if) {
 		if (off == 0)
 			return sprintf(buff,
 				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
@@ -272,9 +284,7 @@ ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 		return 0;
 	}
 
-	if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) {
-		rcu_read_unlock();
-
+	if (bat_priv->primary_if->if_status != IF_ACTIVE) {
 		if (off == 0)
 			return sprintf(buff,
 				       "BATMAN mesh %s disabled - primary interface not active\n",
@@ -283,12 +293,12 @@ ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 		return 0;
 	}
 
+	rcu_read_lock();
 	hdr_len = sprintf(buff,
 		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)] \n",
 		   "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
 		   "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
-		   ((struct batman_if *)if_list.next)->dev,
-		   ((struct batman_if *)if_list.next)->addr_str,
+		   bat_priv->primary_if->dev, bat_priv->primary_if->addr_str,
 		   net_dev->name);
 	rcu_read_unlock();
 
@@ -347,3 +357,152 @@ ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 	return bytes_written;
 }
 
+static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
+{
+	void *data_ptr;
+
+	data_ptr = kmalloc(max_if_num * sizeof(TYPE_OF_WORD) * NUM_WORDS,
+			   GFP_ATOMIC);
+	if (!data_ptr) {
+		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+		return -1;
+	}
+
+	memcpy(data_ptr, orig_node->bcast_own,
+	       (max_if_num - 1) * sizeof(TYPE_OF_WORD) * NUM_WORDS);
+	kfree(orig_node->bcast_own);
+	orig_node->bcast_own = data_ptr;
+
+	data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
+	if (!data_ptr) {
+		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+		return -1;
+	}
+
+	memcpy(data_ptr, orig_node->bcast_own_sum,
+	       (max_if_num - 1) * sizeof(uint8_t));
+	kfree(orig_node->bcast_own_sum);
+	orig_node->bcast_own_sum = data_ptr;
+
+	return 0;
+}
+
+int orig_hash_add_if(struct batman_if *batman_if, int max_if_num)
+{
+	struct orig_node *orig_node;
+	HASHIT(hashit);
+
+	/* resize all orig nodes because orig_node->bcast_own(_sum) depend on
+	 * if_num */
+	spin_lock(&orig_hash_lock);
+
+	while (hash_iterate(orig_hash, &hashit)) {
+		orig_node = hashit.bucket->data;
+
+		if (orig_node_add_if(orig_node, max_if_num) == -1)
+			goto err;
+	}
+
+	spin_unlock(&orig_hash_lock);
+	return 0;
+
+err:
+	spin_unlock(&orig_hash_lock);
+	return -ENOMEM;
+}
+
+static int orig_node_del_if(struct orig_node *orig_node,
+		     int max_if_num, int del_if_num)
+{
+	void *data_ptr = NULL;
+	int chunk_size;
+
+	/* last interface was removed */
+	if (max_if_num == 0)
+		goto free_bcast_own;
+
+	chunk_size = sizeof(TYPE_OF_WORD) * NUM_WORDS;
+	data_ptr = kmalloc(max_if_num * chunk_size, GFP_ATOMIC);
+	if (!data_ptr) {
+		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+		return -1;
+	}
+
+	/* copy first part */
+	memcpy(data_ptr, orig_node->bcast_own, del_if_num * chunk_size);
+
+	/* copy second part */
+	memcpy(data_ptr,
+	       orig_node->bcast_own + ((del_if_num + 1) * chunk_size),
+	       (max_if_num - del_if_num) * chunk_size);
+
+free_bcast_own:
+	kfree(orig_node->bcast_own);
+	orig_node->bcast_own = data_ptr;
+
+	if (max_if_num == 0)
+		goto free_own_sum;
+
+	data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
+	if (!data_ptr) {
+		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+		return -1;
+	}
+
+	memcpy(data_ptr, orig_node->bcast_own_sum,
+	       del_if_num * sizeof(uint8_t));
+
+	memcpy(data_ptr,
+	       orig_node->bcast_own_sum + ((del_if_num + 1) * sizeof(uint8_t)),
+	       (max_if_num - del_if_num) * sizeof(uint8_t));
+
+free_own_sum:
+	kfree(orig_node->bcast_own_sum);
+	orig_node->bcast_own_sum = data_ptr;
+
+	return 0;
+}
+
+int orig_hash_del_if(struct batman_if *batman_if, int max_if_num)
+{
+	struct batman_if *batman_if_tmp;
+	struct orig_node *orig_node;
+	HASHIT(hashit);
+	int ret;
+
+	/* resize all orig nodes because orig_node->bcast_own(_sum) depend on
+	 * if_num */
+	spin_lock(&orig_hash_lock);
+
+	while (hash_iterate(orig_hash, &hashit)) {
+		orig_node = hashit.bucket->data;
+
+		ret = orig_node_del_if(orig_node, max_if_num,
+				       batman_if->if_num);
+
+		if (ret == -1)
+			goto err;
+	}
+
+	/* renumber remaining batman interfaces _inside_ of orig_hash_lock */
+	rcu_read_lock();
+	list_for_each_entry_rcu(batman_if_tmp, &if_list, list) {
+		if (batman_if_tmp->if_status == IF_NOT_IN_USE)
+			continue;
+
+		if (batman_if == batman_if_tmp)
+			continue;
+
+		if (batman_if_tmp->if_num > batman_if->if_num)
+			batman_if_tmp->if_num--;
+	}
+	rcu_read_unlock();
+
+	batman_if->if_num = -1;
+	spin_unlock(&orig_hash_lock);
+	return 0;
+
+err:
+	spin_unlock(&orig_hash_lock);
+	return -ENOMEM;
+}
diff --git a/drivers/staging/batman-adv/originator.h b/drivers/staging/batman-adv/originator.h
index 745b4b064c1..afbc7c0e8aa 100644
--- a/drivers/staging/batman-adv/originator.h
+++ b/drivers/staging/batman-adv/originator.h
@@ -30,3 +30,5 @@ create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
 		uint8_t *neigh, struct batman_if *if_incoming);
 ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 			      size_t count, loff_t off);
+int orig_hash_add_if(struct batman_if *batman_if, int max_if_num);
+int orig_hash_del_if(struct batman_if *batman_if, int max_if_num);
diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c
deleted file mode 100644
index 25b24fe7b6a..00000000000
--- a/drivers/staging/batman-adv/proc.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner, Simon Wunderlich
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- *
- */
-
-#include "main.h"
-#include "proc.h"
-#include "routing.h"
-#include "translation-table.h"
-#include "hard-interface.h"
-#include "types.h"
-#include "hash.h"
-#include "vis.h"
-
-static struct proc_dir_entry *proc_batman_dir, *proc_interface_file;
-
-static int proc_interfaces_read(struct seq_file *seq, void *offset)
-{
-	struct batman_if *batman_if;
-
-	rcu_read_lock();
-	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		seq_printf(seq, "[%8s] %s %s\n",
-			   (batman_if->if_active == IF_ACTIVE ?
-			    "active" : "inactive"),
-			   batman_if->dev,
-			   (batman_if->if_active == IF_ACTIVE ?
-			    batman_if->addr_str : " "));
-	}
-	rcu_read_unlock();
-
-	return 0;
-}
-
-static int proc_interfaces_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_interfaces_read, NULL);
-}
-
-static ssize_t proc_interfaces_write(struct file *instance,
-				     const char __user *userbuffer,
-				     size_t count, loff_t *data)
-{
-	char *if_string, *colon_ptr = NULL, *cr_ptr = NULL;
-	int not_copied = 0, if_num = 0, add_success;
-	struct batman_if *batman_if = NULL;
-
-	if_string = kmalloc(count, GFP_KERNEL);
-
-	if (!if_string)
-		return -ENOMEM;
-
-	if (count > IFNAMSIZ - 1) {
-		printk(KERN_WARNING "batman-adv:Can't add interface: device name is too long\n");
-		goto end;
-	}
-
-	not_copied = copy_from_user(if_string, userbuffer, count);
-	if_string[count - not_copied - 1] = 0;
-
-	colon_ptr = strchr(if_string, ':');
-	if (colon_ptr)
-		*colon_ptr = 0;
-
-	if (!colon_ptr) {
-		cr_ptr = strchr(if_string, '\n');
-		if (cr_ptr)
-			*cr_ptr = 0;
-	}
-
-	if (strlen(if_string) == 0) {
-		shutdown_module();
-		num_ifs = 0;
-		goto end;
-	}
-
-	/* add interface */
-	rcu_read_lock();
-	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		if (strncmp(batman_if->dev, if_string, count) == 0) {
-			printk(KERN_ERR "batman-adv:Given interface is already active: %s\n", if_string);
-			rcu_read_unlock();
-			goto end;
-
-		}
-
-		if_num++;
-	}
-	rcu_read_unlock();
-
-	add_success = hardif_add_interface(if_string, if_num);
-	if (add_success < 0)
-		goto end;
-
-	num_ifs = if_num + 1;
-
-	if ((atomic_read(&module_state) == MODULE_INACTIVE) &&
-	    (hardif_get_active_if_num() > 0))
-		activate_module();
-
-	return count;
-end:
-	kfree(if_string);
-	return count;
-}
-
-static const struct file_operations proc_interfaces_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_interfaces_open,
-	.read		= seq_read,
-	.write		= proc_interfaces_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-void cleanup_procfs(void)
-{
-	if (proc_interface_file)
-		remove_proc_entry(PROC_FILE_INTERFACES, proc_batman_dir);
-
-	if (proc_batman_dir)
-#ifdef __NET_NET_NAMESPACE_H
-		remove_proc_entry(PROC_ROOT_DIR, init_net.proc_net);
-#else
-		remove_proc_entry(PROC_ROOT_DIR, proc_net);
-#endif
-}
-
-int setup_procfs(void)
-{
-#ifdef __NET_NET_NAMESPACE_H
-	proc_batman_dir = proc_mkdir(PROC_ROOT_DIR, init_net.proc_net);
-#else
-	proc_batman_dir = proc_mkdir(PROC_ROOT_DIR, proc_net);
-#endif
-
-	if (!proc_batman_dir) {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s' folder failed\n", PROC_ROOT_DIR);
-		return -EFAULT;
-	}
-
-	proc_interface_file = create_proc_entry(PROC_FILE_INTERFACES,
-						S_IWUSR | S_IRUGO,
-						proc_batman_dir);
-	if (proc_interface_file) {
-		proc_interface_file->proc_fops = &proc_interfaces_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_INTERFACES);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
-	return 0;
-}
diff --git a/drivers/staging/batman-adv/proc.h b/drivers/staging/batman-adv/proc.h
deleted file mode 100644
index 6f4f5b3e7e0..00000000000
--- a/drivers/staging/batman-adv/proc.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner, Simon Wunderlich
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- *
- */
-
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-
-#define PROC_ROOT_DIR "batman-adv"
-#define PROC_FILE_INTERFACES "interfaces"
-
-void cleanup_procfs(void);
-int setup_procfs(void);
-
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index 0a9f52b8d35..7b8aa27ed28 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -205,7 +205,7 @@ static int isBidirectionalNeigh(struct orig_node *orig_node,
 	batman_packet->tq = ((batman_packet->tq *
 			      orig_neigh_node->tq_own *
 			      orig_neigh_node->tq_asym_penalty) /
-			     (TQ_MAX_VALUE *	 TQ_MAX_VALUE));
+			     (TQ_MAX_VALUE * TQ_MAX_VALUE));
 
 	bat_dbg(DBG_BATMAN, "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n",
 		orig_node->orig, orig_neigh_node->orig, total_count,
@@ -387,7 +387,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 		batman_packet->version, has_directlink_flag);
 
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		if (batman_if->if_active != IF_ACTIVE)
+		if (batman_if->if_status != IF_ACTIVE)
 			continue;
 
 		if (compare_orig(ethhdr->h_source,
@@ -893,7 +893,7 @@ int recv_bcast_packet(struct sk_buff *skb)
 	if (is_my_mac(ethhdr->h_source))
 		return NET_RX_DROP;
 
-	bcast_packet = (struct bcast_packet *) skb->data;
+	bcast_packet = (struct bcast_packet *)skb->data;
 
 	/* ignore broadcasts originated by myself */
 	if (is_my_mac(bcast_packet->orig))
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index de2344a071c..31d86ae9b14 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -57,7 +57,7 @@ int send_skb_packet(struct sk_buff *skb,
 {
 	struct ethhdr *ethhdr;
 
-	if (batman_if->if_active != IF_ACTIVE)
+	if (batman_if->if_status != IF_ACTIVE)
 		goto send_skb_err;
 
 	if (unlikely(!batman_if->net_dev))
@@ -123,7 +123,7 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
 	int16_t buff_pos;
 	struct batman_packet *batman_packet;
 
-	if (batman_if->if_active != IF_ACTIVE)
+	if (batman_if->if_status != IF_ACTIVE)
 		return;
 
 	packet_num = 0;
@@ -182,7 +182,7 @@ static void send_packet(struct forw_packet *forw_packet)
 		return;
 	}
 
-	if (forw_packet->if_incoming->if_active != IF_ACTIVE)
+	if (forw_packet->if_incoming->if_status != IF_ACTIVE)
 		return;
 
 	/* multihomed peer assumed */
@@ -243,7 +243,13 @@ void schedule_own_packet(struct batman_if *batman_if)
 	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	unsigned long send_time;
 	struct batman_packet *batman_packet;
-	int vis_server = atomic_read(&bat_priv->vis_mode);
+	int vis_server;
+
+	if ((batman_if->if_status == IF_NOT_IN_USE) ||
+	    (batman_if->if_status == IF_TO_BE_REMOVED))
+		return;
+
+	vis_server = atomic_read(&bat_priv->vis_mode);
 
 	/**
 	 * the interface gets activated here to avoid race conditions between
@@ -252,11 +258,12 @@ void schedule_own_packet(struct batman_if *batman_if)
 	 * outdated packets (especially uninitialized mac addresses) in the
 	 * packet queue
 	 */
-	if (batman_if->if_active == IF_TO_BE_ACTIVATED)
-		batman_if->if_active = IF_ACTIVE;
+	if (batman_if->if_status == IF_TO_BE_ACTIVATED)
+		batman_if->if_status = IF_ACTIVE;
 
 	/* if local hna has changed and interface is a primary interface */
-	if ((atomic_read(&hna_local_changed)) && (batman_if->if_num == 0))
+	if ((atomic_read(&hna_local_changed)) &&
+	    (batman_if == bat_priv->primary_if))
 		rebuild_batman_packet(batman_if);
 
 	/**
@@ -374,13 +381,11 @@ void add_bcast_packet_to_list(struct sk_buff *skb)
 
 	forw_packet = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
 	if (!forw_packet)
-		return;
+		goto out;
 
 	skb = skb_copy(skb, GFP_ATOMIC);
-	if (!skb) {
-		kfree(forw_packet);
-		return;
-	}
+	if (!skb)
+		goto packet_free;
 
 	skb_reset_mac_header(skb);
 
@@ -391,6 +396,12 @@ void add_bcast_packet_to_list(struct sk_buff *skb)
 	forw_packet->num_packets = 0;
 
 	_add_bcast_packet_to_list(forw_packet, 1);
+	return;
+
+packet_free:
+	kfree(forw_packet);
+out:
+	return;
 }
 
 void send_outstanding_bcast_packet(struct work_struct *work)
@@ -455,19 +466,31 @@ void send_outstanding_bat_packet(struct work_struct *work)
 	forw_packet_free(forw_packet);
 }
 
-void purge_outstanding_packets(void)
+void purge_outstanding_packets(struct batman_if *batman_if)
 {
 	struct forw_packet *forw_packet;
 	struct hlist_node *tmp_node, *safe_tmp_node;
 	unsigned long flags;
 
-	bat_dbg(DBG_BATMAN, "purge_outstanding_packets()\n");
+	if (batman_if)
+		bat_dbg(DBG_BATMAN, "purge_outstanding_packets(): %s\n",
+			batman_if->dev);
+	else
+		bat_dbg(DBG_BATMAN, "purge_outstanding_packets()\n");
 
 	/* free bcast list */
 	spin_lock_irqsave(&forw_bcast_list_lock, flags);
 	hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node,
 				  &forw_bcast_list, list) {
 
+		/**
+		 * if purge_outstanding_packets() was called with an argmument
+		 * we delete only packets belonging to the given interface
+		 */
+		if ((batman_if) &&
+		    (forw_packet->if_incoming != batman_if))
+			continue;
+
 		spin_unlock_irqrestore(&forw_bcast_list_lock, flags);
 
 		/**
@@ -484,6 +507,14 @@ void purge_outstanding_packets(void)
 	hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node,
 				  &forw_bat_list, list) {
 
+		/**
+		 * if purge_outstanding_packets() was called with an argmument
+		 * we delete only packets belonging to the given interface
+		 */
+		if ((batman_if) &&
+		    (forw_packet->if_incoming != batman_if))
+			continue;
+
 		spin_unlock_irqrestore(&forw_bat_list_lock, flags);
 
 		/**
diff --git a/drivers/staging/batman-adv/send.h b/drivers/staging/batman-adv/send.h
index b2ddf631fb5..b84a470e510 100644
--- a/drivers/staging/batman-adv/send.h
+++ b/drivers/staging/batman-adv/send.h
@@ -36,4 +36,4 @@ void schedule_forward_packet(struct orig_node *orig_node,
 void add_bcast_packet_to_list(struct sk_buff *skb);
 void send_outstanding_bcast_packet(struct work_struct *work);
 void send_outstanding_bat_packet(struct work_struct *work);
-void purge_outstanding_packets(void);
+void purge_outstanding_packets(struct batman_if *batman_if);
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index 4cdebe5f874..681a0ad7cb8 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -251,7 +251,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 			memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
 
 			/* net_dev won't be available when not active */
-			if (orig_node->router->if_incoming->if_active != IF_ACTIVE)
+			if (orig_node->router->if_incoming->if_status != IF_ACTIVE)
 				goto unlock;
 
 			/* don't lock while sending the packets ... we therefore
diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c
index b735200ecf1..c7a6635e34a 100644
--- a/drivers/staging/batman-adv/translation-table.c
+++ b/drivers/staging/batman-adv/translation-table.c
@@ -159,16 +159,14 @@ int hna_local_fill_buffer(unsigned char *buff, int buff_len)
 int hna_local_fill_buffer_text(struct net_device *net_dev, char *buff,
 			       size_t count, loff_t off)
 {
+	struct bat_priv *bat_priv = netdev_priv(net_dev);
 	struct hna_local_entry *hna_local_entry;
 	HASHIT(hashit);
 	int bytes_written = 0;
 	unsigned long flags;
 	size_t hdr_len;
 
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-
+	if (!bat_priv->primary_if) {
 		if (off == 0)
 			return sprintf(buff,
 				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
@@ -176,7 +174,6 @@ int hna_local_fill_buffer_text(struct net_device *net_dev, char *buff,
 
 		return 0;
 	}
-	rcu_read_unlock();
 
 	hdr_len = sprintf(buff,
 			  "Locally retrieved addresses (from %s) announced via HNA:\n",
@@ -376,16 +373,14 @@ void hna_global_add_orig(struct orig_node *orig_node,
 int hna_global_fill_buffer_text(struct net_device *net_dev, char *buff,
 				size_t count, loff_t off)
 {
+	struct bat_priv *bat_priv = netdev_priv(net_dev);
 	struct hna_global_entry *hna_global_entry;
 	HASHIT(hashit);
 	int bytes_written = 0;
 	unsigned long flags;
 	size_t hdr_len;
 
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-
+	if (!bat_priv->primary_if) {
 		if (off == 0)
 			return sprintf(buff,
 				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
@@ -393,7 +388,6 @@ int hna_global_fill_buffer_text(struct net_device *net_dev, char *buff,
 
 		return 0;
 	}
-	rcu_read_unlock();
 
 	hdr_len = sprintf(buff,
 			  "Globally announced HNAs received via the mesh %s (translation table):\n",
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index ffaa16c30af..eba1fa62f30 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -36,12 +36,13 @@ struct batman_if {
 	struct list_head list;
 	int16_t if_num;
 	char *dev;
-	char if_active;
+	char if_status;
 	char addr_str[ETH_STR_LEN];
 	struct net_device *net_dev;
 	atomic_t seqno;
 	unsigned char *packet_buff;
 	int packet_len;
+	struct kobject *hardif_obj;
 	struct rcu_head rcu;
 
 };
@@ -84,6 +85,8 @@ struct bat_priv {
 	atomic_t aggregation_enabled;
 	atomic_t vis_mode;
 	atomic_t orig_interval;
+	char num_ifaces;
+	struct batman_if *primary_if;
 	struct kobject *mesh_obj;
 };
 
diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index 57d69d70671..b6ff031a34d 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -173,13 +173,10 @@ ssize_t vis_fill_buffer_text(struct net_device *net_dev, char *buff,
 	unsigned long flags;
 	int vis_server = atomic_read(&bat_priv->vis_mode);
 
-	rcu_read_lock();
-	if (list_empty(&if_list) || (vis_server == VIS_TYPE_CLIENT_UPDATE)) {
-		rcu_read_unlock();
+	if ((!bat_priv->primary_if) ||
+	    (vis_server == VIS_TYPE_CLIENT_UPDATE))
 		return 0;
-	}
 
-	rcu_read_unlock();
 	hdr_len = 0;
 
 	spin_lock_irqsave(&vis_hash_lock, flags);
@@ -498,7 +495,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
 		if (orig_node->router != NULL
 			&& compare_orig(orig_node->router->addr,
 					orig_node->orig)
-			&& (orig_node->router->if_incoming->if_active ==
+			&& (orig_node->router->if_incoming->if_status ==
 								IF_ACTIVE)
 		    && orig_node->router->tq_avg > 0) {
 

From b7bce588b3a6a058e00d9629c25cf170dede63fc Mon Sep 17 00:00:00 2001
From: Sven Eckelmann <sven.eckelmann@gmx.de>
Date: Fri, 7 May 2010 21:47:23 +0200
Subject: [PATCH 1304/3638] Staging: batman-adv: fix whitespace style issues

This patch fixes unnecessary whitespaces before a quoted
newline that the remaining batman-adv files had.

Reported-by: Luis de Bethencourt <luisbg@ubuntu.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/bat_sysfs.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c
index 1811c8da660..e2c000b80ca 100644
--- a/drivers/staging/batman-adv/bat_sysfs.c
+++ b/drivers/staging/batman-adv/bat_sysfs.c
@@ -75,7 +75,7 @@ static ssize_t show_aggr_ogm(struct kobject *kobj, struct attribute *attr,
 	struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
 	int aggr_status = atomic_read(&bat_priv->aggregation_enabled);
 
-	return sprintf(buff, "status: %s\ncommands: enable, disable, 0, 1 \n",
+	return sprintf(buff, "status: %s\ncommands: enable, disable, 0, 1\n",
 		       aggr_status == 0 ? "disabled" : "enabled");
 }
 
@@ -123,7 +123,7 @@ static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr,
 	struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
 	int vis_mode = atomic_read(&bat_priv->vis_mode);
 
-	return sprintf(buff, "status: %s\ncommands: client, server, %d, %d \n",
+	return sprintf(buff, "status: %s\ncommands: client, server, %d, %d\n",
 		       vis_mode == VIS_TYPE_CLIENT_UPDATE ?
 							"client" : "server",
 		       VIS_TYPE_SERVER_SYNC, VIS_TYPE_CLIENT_UPDATE);
@@ -364,7 +364,7 @@ static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr,
 	if (!batman_if)
 		return 0;
 
-	return sprintf(buff, "status: %s\ncommands: none, bat0 \n",
+	return sprintf(buff, "status: %s\ncommands: none, bat0\n",
 		       batman_if->if_status == IF_NOT_IN_USE ?
 							"none" : "bat0");
 }

From f94cee241099b31732460c255c6af24979ec778e Mon Sep 17 00:00:00 2001
From: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Date: Fri, 7 May 2010 21:47:24 +0200
Subject: [PATCH 1305/3638] Staging: batman-adv: Reorganize sequence number
 handling

BATMAN and broadcast packets are tracked with a sequence number window of
currently 64 entries to measure and avoid duplicates. Packets which have a
sequence number smaller than the newest received packet minus 64 are not
within this sequence number window anymore and are called "old packets"
from now on.

When old packets are received, the routing code assumes that the host of the
originator has been restarted. This assumption however might be wrong as
packets can also be delayed by NIC drivers, e.g. because of long queues or
collision detection in dense WiFi? environments. This behaviour can be
reproduced by doing a broadcast ping flood in a dense node environment.

The effect is that the sequence number window is jumping forth and back,
accepting and forwarding any packet (because packets are assumed to be "new")
and causing loops.

To overcome this problem, the sequence number handling has been reorganized.
When an old packet is received, the window is reset back only once. Other old
packets are dropped for (currently) 30 seconds to "protect" the new sequence
number and avoid the hopping as described above.

The reorganization brings some code cleanups (at least i hope you feel the
same) and also fixes a bug in count_real_packets() which falsely updated
the last_real_seqno for slightly older packets within the seqno window
if they are no duplicates.

This second version of the patch also fixes a problem where for seq_diff==64
bit_shift() reads from outside of the seqno window, and removes the loop
for seq_diff == -64 which was present in the first patch.

The third iteration also adds a window for the next expected sequence numbers.
This minimizes sequence number flapping for packets with very big differences
(e.g. 3 packets with seqno 0, 25000 and 50000 might still cause problems
without this window).

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/bitarray.c   | 80 +++++++++++++-------
 drivers/staging/batman-adv/main.h       |  4 +
 drivers/staging/batman-adv/originator.c |  2 +
 drivers/staging/batman-adv/routing.c    | 99 +++++++++++++++++++------
 drivers/staging/batman-adv/types.h      |  4 +
 5 files changed, 139 insertions(+), 50 deletions(-)

diff --git a/drivers/staging/batman-adv/bitarray.c b/drivers/staging/batman-adv/bitarray.c
index 7848305bd14..2fef6e35f8c 100644
--- a/drivers/staging/batman-adv/bitarray.c
+++ b/drivers/staging/batman-adv/bitarray.c
@@ -68,7 +68,7 @@ void bit_shift(TYPE_OF_WORD *seq_bits, int32_t n)
 	int32_t word_offset, word_num;
 	int32_t i;
 
-	if (n <= 0)
+	if (n <= 0 || n >= TQ_LOCAL_WINDOW_SIZE)
 		return;
 
 	word_offset = n % WORD_BIT_SIZE;/* shift how much inside each word */
@@ -111,48 +111,76 @@ void bit_shift(TYPE_OF_WORD *seq_bits, int32_t n)
 		seq_bits[i] = 0;
 }
 
+static void bit_reset_window(TYPE_OF_WORD *seq_bits)
+{
+	int i;
+	for (i = 0; i < NUM_WORDS; i++)
+		seq_bits[i] = 0;
+}
 
-/* receive and process one packet, returns 1 if received seq_num is considered
- * new, 0 if old  */
+
+/* receive and process one packet within the sequence number window.
+ *
+ * returns:
+ *  1 if the window was moved (either new or very old)
+ *  0 if the window was not moved/shifted.
+ */
 char bit_get_packet(TYPE_OF_WORD *seq_bits, int16_t seq_num_diff,
 		    int8_t set_mark)
 {
-	int i;
+	/* sequence number is slightly older. We already got a sequence number
+	 * higher than this one, so we just mark it. */
 
-	/* we already got a sequence number higher than this one, so we just
-	 * mark it. this should wrap around the integer just fine */
-	if ((seq_num_diff < 0) && (seq_num_diff >= -TQ_LOCAL_WINDOW_SIZE)) {
+	if ((seq_num_diff <= 0) && (seq_num_diff > -TQ_LOCAL_WINDOW_SIZE)) {
 		if (set_mark)
 			bit_mark(seq_bits, -seq_num_diff);
 		return 0;
 	}
 
-	/* it seems we missed a lot of packets or the other host restarted */
-	if ((seq_num_diff > TQ_LOCAL_WINDOW_SIZE) ||
-	    (seq_num_diff < -TQ_LOCAL_WINDOW_SIZE)) {
+	/* sequence number is slightly newer, so we shift the window and
+	 * set the mark if required */
 
-		if (seq_num_diff > TQ_LOCAL_WINDOW_SIZE)
-			bat_dbg(DBG_BATMAN,
-				"We missed a lot of packets (%i) !\n",
-				seq_num_diff-1);
-
-		if (-seq_num_diff > TQ_LOCAL_WINDOW_SIZE)
-			bat_dbg(DBG_BATMAN,
-				"Other host probably restarted !\n");
-
-		for (i = 0; i < NUM_WORDS; i++)
-			seq_bits[i] = 0;
-
-		if (set_mark)
-			seq_bits[0] = 1;  /* we only have the latest packet */
-	} else {
+	if ((seq_num_diff > 0) && (seq_num_diff < TQ_LOCAL_WINDOW_SIZE)) {
 		bit_shift(seq_bits, seq_num_diff);
 
 		if (set_mark)
 			bit_mark(seq_bits, 0);
+		return 1;
 	}
 
-	return 1;
+	/* sequence number is much newer, probably missed a lot of packets */
+
+	if ((seq_num_diff >= TQ_LOCAL_WINDOW_SIZE)
+		|| (seq_num_diff < EXPECTED_SEQNO_RANGE)) {
+		bat_dbg(DBG_BATMAN,
+			"We missed a lot of packets (%i) !\n",
+			seq_num_diff - 1);
+		bit_reset_window(seq_bits);
+		if (set_mark)
+			bit_mark(seq_bits, 0);
+		return 1;
+	}
+
+	/* received a much older packet. The other host either restarted
+	 * or the old packet got delayed somewhere in the network. The
+	 * packet should be dropped without calling this function if the
+	 * seqno window is protected. */
+
+	if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE)
+		|| (seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
+
+		bat_dbg(DBG_BATMAN,
+			"Other host probably restarted!\n");
+
+		bit_reset_window(seq_bits);
+		if (set_mark)
+			bit_mark(seq_bits, 0);
+
+		return 1;
+	}
+
+	/* never reached */
+	return 0;
 }
 
 /* count the hamming weight, how many good packets did we receive? just count
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 247196ca751..58c1ec16741 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -61,6 +61,10 @@
 				   * forw_packet->direct_link_flags */
 #define MAX_AGGREGATION_MS 100
 
+#define RESET_PROTECTION_MS 30000
+#define EXPECTED_SEQNO_RANGE	4096
+/* don't reset again within 30 seconds */
+
 #define MODULE_INACTIVE 0
 #define MODULE_ACTIVE 1
 #define MODULE_DEACTIVATING 2
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 44bbe894152..01d71d7ed42 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -140,6 +140,8 @@ struct orig_node *get_orig_node(uint8_t *addr)
 	memcpy(orig_node->orig, addr, ETH_ALEN);
 	orig_node->router = NULL;
 	orig_node->hna_buff = NULL;
+	orig_node->bcast_seqno_reset = jiffies - msecs_to_jiffies(RESET_PROTECTION_MS) - 1;
+	orig_node->batman_seqno_reset = jiffies - msecs_to_jiffies(RESET_PROTECTION_MS) - 1;
 
 	size = bat_priv->num_ifaces * sizeof(TYPE_OF_WORD) * NUM_WORDS;
 
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index 7b8aa27ed28..bf67059e3ee 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -304,6 +304,38 @@ update_hna:
 	update_routes(orig_node, orig_node->router, hna_buff, tmp_hna_buff_len);
 }
 
+/* checks whether the host restarted and is in the protection time.
+ * returns:
+ *  0 if the packet is to be accepted
+ *  1 if the packet is to be ignored.
+ */
+static int window_protected(int16_t seq_num_diff,
+				unsigned long *last_reset)
+{
+	if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE)
+		|| (seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
+		if (time_after(jiffies, *last_reset +
+			msecs_to_jiffies(RESET_PROTECTION_MS))) {
+
+			*last_reset = jiffies;
+			bat_dbg(DBG_BATMAN,
+				"old packet received, start protection\n");
+
+			return 0;
+		} else
+			return 1;
+	}
+	return 0;
+}
+
+/* processes a batman packet for all interfaces, adjusts the sequence number and
+ * finds out whether it is a duplicate.
+ * returns:
+ *   1 the packet is a duplicate
+ *   0 the packet has not yet been received
+ *  -1 the packet is old and has been received while the seqno window
+ *     was protected. Caller should drop it.
+ */
 static char count_real_packets(struct ethhdr *ethhdr,
 			       struct batman_packet *batman_packet,
 			       struct batman_if *if_incoming)
@@ -311,31 +343,41 @@ static char count_real_packets(struct ethhdr *ethhdr,
 	struct orig_node *orig_node;
 	struct neigh_node *tmp_neigh_node;
 	char is_duplicate = 0;
-	uint16_t seq_diff;
+	int16_t seq_diff;
+	int need_update = 0;
+	int set_mark;
 
 	orig_node = get_orig_node(batman_packet->orig);
 	if (orig_node == NULL)
 		return 0;
 
+	seq_diff = batman_packet->seqno - orig_node->last_real_seqno;
+
+	/* signalize caller that the packet is to be dropped. */
+	if (window_protected(seq_diff, &orig_node->batman_seqno_reset))
+		return -1;
+
 	list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
 
-		if (!is_duplicate)
-			is_duplicate =
-				get_bit_status(tmp_neigh_node->real_bits,
+		is_duplicate |= get_bit_status(tmp_neigh_node->real_bits,
 					       orig_node->last_real_seqno,
 					       batman_packet->seqno);
-		seq_diff = batman_packet->seqno - orig_node->last_real_seqno;
+
 		if (compare_orig(tmp_neigh_node->addr, ethhdr->h_source) &&
 		    (tmp_neigh_node->if_incoming == if_incoming))
-			bit_get_packet(tmp_neigh_node->real_bits, seq_diff, 1);
+			set_mark = 1;
 		else
-			bit_get_packet(tmp_neigh_node->real_bits, seq_diff, 0);
+			set_mark = 0;
+
+		/* if the window moved, set the update flag. */
+		need_update |= bit_get_packet(tmp_neigh_node->real_bits,
+						seq_diff, set_mark);
 
 		tmp_neigh_node->real_packet_count =
 			bit_packet_count(tmp_neigh_node->real_bits);
 	}
 
-	if (!is_duplicate) {
+	if (need_update) {
 		bat_dbg(DBG_BATMAN, "updating last_seqno: old %d, new %d\n",
 			orig_node->last_real_seqno, batman_packet->seqno);
 		orig_node->last_real_seqno = batman_packet->seqno;
@@ -453,24 +495,27 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 		return;
 	}
 
-	if (batman_packet->tq == 0) {
-		count_real_packets(ethhdr, batman_packet, if_incoming);
-
-		bat_dbg(DBG_BATMAN, "Drop packet: originator packet with tq equal 0\n");
-		return;
-	}
-
 	if (is_my_oldorig) {
 		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n", ethhdr->h_source);
 		return;
 	}
 
-	is_duplicate = count_real_packets(ethhdr, batman_packet, if_incoming);
-
 	orig_node = get_orig_node(batman_packet->orig);
 	if (orig_node == NULL)
 		return;
 
+	is_duplicate = count_real_packets(ethhdr, batman_packet, if_incoming);
+
+	if (is_duplicate == -1) {
+		bat_dbg(DBG_BATMAN, "Drop packet: packet within seqno protection time (sender: %pM)\n", ethhdr->h_source);
+		return;
+	}
+
+	if (batman_packet->tq == 0) {
+		bat_dbg(DBG_BATMAN,	"Drop packet: originator packet with tq equal 0\n");
+		return;
+	}
+
 	/* avoid temporary routing loops */
 	if ((orig_node->router) &&
 	    (orig_node->router->orig_node->router) &&
@@ -866,13 +911,13 @@ int recv_unicast_packet(struct sk_buff *skb)
 	return ret;
 }
 
-
 int recv_bcast_packet(struct sk_buff *skb)
 {
 	struct orig_node *orig_node;
 	struct bcast_packet *bcast_packet;
 	struct ethhdr *ethhdr;
 	int hdr_size = sizeof(struct bcast_packet);
+	int16_t seq_diff;
 	unsigned long flags;
 
 	/* drop packet if it has not necessary minimum size */
@@ -908,7 +953,7 @@ int recv_bcast_packet(struct sk_buff *skb)
 		return NET_RX_DROP;
 	}
 
-	/* check flood history */
+	/* check whether the packet is a duplicate */
 	if (get_bit_status(orig_node->bcast_bits,
 			   orig_node->last_bcast_seqno,
 			   ntohs(bcast_packet->seqno))) {
@@ -916,14 +961,20 @@ int recv_bcast_packet(struct sk_buff *skb)
 		return NET_RX_DROP;
 	}
 
-	/* mark broadcast in flood history */
-	if (bit_get_packet(orig_node->bcast_bits,
-			   ntohs(bcast_packet->seqno) -
-			   orig_node->last_bcast_seqno, 1))
+	seq_diff = ntohs(bcast_packet->seqno) - orig_node->last_bcast_seqno;
+
+	/* check whether the packet is old and the host just restarted. */
+	if (window_protected(seq_diff, &orig_node->bcast_seqno_reset)) {
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
+		return NET_RX_DROP;
+	}
+
+	/* mark broadcast in flood history, update window position
+	 * if required. */
+	if (bit_get_packet(orig_node->bcast_bits, seq_diff, 1))
 		orig_node->last_bcast_seqno = ntohs(bcast_packet->seqno);
 
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
-
 	/* rebroadcast packet */
 	add_bcast_packet_to_list(skb);
 
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index eba1fa62f30..c92621965b3 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -55,6 +55,10 @@ struct orig_node {               /* structure for orig_list maintaining nodes of
 	uint8_t tq_own;
 	int tq_asym_penalty;
 	unsigned long last_valid;        /* when last packet from this node was received */
+	unsigned long bcast_seqno_reset; /* time when the broadcast
+					    seqno window was reset. */
+	unsigned long batman_seqno_reset;/* time when the batman seqno
+					    window was reset. */
 /*	uint8_t  gwflags;      * flags related to gateway functions: gateway class */
 	uint8_t  flags;    		/* for now only VIS_SERVER flag. */
 	unsigned char *hna_buff;

From 19dae340d2af3074abad5b4c7306ae240068f89f Mon Sep 17 00:00:00 2001
From: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Date: Fri, 7 May 2010 21:47:25 +0200
Subject: [PATCH 1306/3638] Staging: batman-adv: Limit queue lengths for batman
 and broadcast packets

This patch limits the queue lengths of batman and broadcast packets. BATMAN
packets are held back for aggregation and jittered to avoid interferences.
Broadcast packets are stored to be sent out multiple times to increase
the probability to be received by other nodes in lossy environments.

Especially in extreme cases like broadcast storms, the queues have been seen
to run full, eating up all the memory and triggering the infamous OOM killer.
With the queue length limits introduced in this patch, this problem is
avoided.

Each queue is limited to 256 entries for now, resulting in 1 MB of maximum
space available in total for typical setups (assuming one packet including
overhead does not require more than 2000 byte). This should also be reasonable
for smaller routers, otherwise the defines can be tweaked later.

This third version of the patch does not increase the local broadcast
sequence number when the queue is already full.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/aggregation.c    | 16 +++++++++-
 drivers/staging/batman-adv/main.c           |  5 +++
 drivers/staging/batman-adv/main.h           |  4 +++
 drivers/staging/batman-adv/send.c           | 35 +++++++++++++++++----
 drivers/staging/batman-adv/send.h           |  2 +-
 drivers/staging/batman-adv/soft-interface.c |  6 ++--
 6 files changed, 57 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c
index a5818ff6139..ce8b8a6e5ae 100644
--- a/drivers/staging/batman-adv/aggregation.c
+++ b/drivers/staging/batman-adv/aggregation.c
@@ -95,6 +95,7 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
 	return false;
 }
 
+#define atomic_dec_not_zero(v)          atomic_add_unless((v), -1, 0)
 /* create a new aggregated packet and add this packet to it */
 static void new_aggregated_packet(unsigned char *packet_buff,
 			   int packet_len,
@@ -106,13 +107,26 @@ static void new_aggregated_packet(unsigned char *packet_buff,
 	struct forw_packet *forw_packet_aggr;
 	unsigned long flags;
 
+	/* own packet should always be scheduled */
+	if (!own_packet) {
+		if (!atomic_dec_not_zero(&batman_queue_left)) {
+			bat_dbg(DBG_BATMAN, "batman packet queue full\n");
+			return;
+		}
+	}
+
 	forw_packet_aggr = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
-	if (!forw_packet_aggr)
+	if (!forw_packet_aggr) {
+		if (!own_packet)
+			atomic_inc(&batman_queue_left);
 		return;
+	}
 
 	forw_packet_aggr->packet_buff = kmalloc(MAX_AGGREGATION_BYTES,
 						GFP_ATOMIC);
 	if (!forw_packet_aggr->packet_buff) {
+		if (!own_packet)
+			atomic_inc(&batman_queue_left);
 		kfree(forw_packet_aggr);
 		return;
 	}
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index c1e57aaf2e5..aa072d15134 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -42,6 +42,9 @@ DEFINE_SPINLOCK(forw_bat_list_lock);
 DEFINE_SPINLOCK(forw_bcast_list_lock);
 
 atomic_t vis_interval;
+atomic_t bcast_queue_left;
+atomic_t batman_queue_left;
+
 int16_t num_hna;
 
 struct net_device *soft_device;
@@ -79,6 +82,8 @@ int init_module(void)
 
 	atomic_set(&vis_interval, 1000);/* TODO: raise this later, this is only
 					 * for debugging now. */
+	atomic_set(&bcast_queue_left, BCAST_QUEUE_LEN);
+	atomic_set(&batman_queue_left, BATMAN_QUEUE_LEN);
 
 	/* the name should not be longer than 10 chars - see
 	 * http://lwn.net/Articles/23634/ */
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 58c1ec16741..6749ce036b9 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -69,6 +69,8 @@
 #define MODULE_ACTIVE 1
 #define MODULE_DEACTIVATING 2
 
+#define BCAST_QUEUE_LEN 256
+#define BATMAN_QUEUE_LE	256
 
 /*
  * Debug Messages
@@ -132,6 +134,8 @@ extern spinlock_t forw_bat_list_lock;
 extern spinlock_t forw_bcast_list_lock;
 
 extern atomic_t vis_interval;
+extern atomic_t bcast_queue_left;
+extern atomic_t batman_queue_left;
 extern int16_t num_hna;
 
 extern struct net_device *soft_device;
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index 31d86ae9b14..f58a9edfc2c 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -375,13 +375,28 @@ static void _add_bcast_packet_to_list(struct forw_packet *forw_packet,
 			   send_time);
 }
 
-void add_bcast_packet_to_list(struct sk_buff *skb)
+#define atomic_dec_not_zero(v)          atomic_add_unless((v), -1, 0)
+/* add a broadcast packet to the queue and setup timers. broadcast packets
+ * are sent multiple times to increase probability for beeing received.
+ *
+ * This function returns NETDEV_TX_OK on success and NETDEV_TX_BUSY on
+ * errors.
+ *
+ * The skb is not consumed, so the caller should make sure that the
+ * skb is freed. */
+int add_bcast_packet_to_list(struct sk_buff *skb)
 {
 	struct forw_packet *forw_packet;
 
-	forw_packet = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
-	if (!forw_packet)
+	if (!atomic_dec_not_zero(&bcast_queue_left)) {
+		bat_dbg(DBG_BATMAN, "bcast packet queue full\n");
 		goto out;
+	}
+
+	forw_packet = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
+
+	if (!forw_packet)
+		goto out_and_inc;
 
 	skb = skb_copy(skb, GFP_ATOMIC);
 	if (!skb)
@@ -396,12 +411,14 @@ void add_bcast_packet_to_list(struct sk_buff *skb)
 	forw_packet->num_packets = 0;
 
 	_add_bcast_packet_to_list(forw_packet, 1);
-	return;
+	return NETDEV_TX_OK;
 
 packet_free:
 	kfree(forw_packet);
+out_and_inc:
+	atomic_inc(&bcast_queue_left);
 out:
-	return;
+	return NETDEV_TX_BUSY;
 }
 
 void send_outstanding_bcast_packet(struct work_struct *work)
@@ -436,8 +453,10 @@ void send_outstanding_bcast_packet(struct work_struct *work)
 	if ((forw_packet->num_packets < 3) &&
 	    (atomic_read(&module_state) != MODULE_DEACTIVATING))
 		_add_bcast_packet_to_list(forw_packet, ((5 * HZ) / 1000));
-	else
+	else {
 		forw_packet_free(forw_packet);
+		atomic_inc(&bcast_queue_left);
+	}
 }
 
 void send_outstanding_bat_packet(struct work_struct *work)
@@ -463,6 +482,10 @@ void send_outstanding_bat_packet(struct work_struct *work)
 	    (atomic_read(&module_state) != MODULE_DEACTIVATING))
 		schedule_own_packet(forw_packet->if_incoming);
 
+	/* don't count own packet */
+	if (!forw_packet->own)
+		atomic_inc(&batman_queue_left);
+
 	forw_packet_free(forw_packet);
 }
 
diff --git a/drivers/staging/batman-adv/send.h b/drivers/staging/batman-adv/send.h
index b84a470e510..feaa2fc7f9a 100644
--- a/drivers/staging/batman-adv/send.h
+++ b/drivers/staging/batman-adv/send.h
@@ -33,7 +33,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
 			     struct batman_packet *batman_packet,
 			     uint8_t directlink, int hna_buff_len,
 			     struct batman_if *if_outgoing);
-void add_bcast_packet_to_list(struct sk_buff *skb);
+int  add_bcast_packet_to_list(struct sk_buff *skb);
 void send_outstanding_bcast_packet(struct work_struct *work);
 void send_outstanding_bat_packet(struct work_struct *work);
 void purge_outstanding_packets(struct batman_if *batman_if);
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index 681a0ad7cb8..14b5ccaeaca 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -216,10 +216,10 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 		/* set broadcast sequence number */
 		bcast_packet->seqno = htons(bcast_seqno);
 
-		bcast_seqno++;
+		/* broadcast packet. on success, increase seqno. */
+		if (add_bcast_packet_to_list(skb) == NETDEV_TX_OK)
+			bcast_seqno++;
 
-		/* broadcast packet */
-		add_bcast_packet_to_list(skb);
 		/* a copy is stored in the bcast list, therefore removing
 		 * the original skb. */
 		kfree_skb(skb);

From 7d02d777d4a7eb551999a35f52480c9ddac3d874 Mon Sep 17 00:00:00 2001
From: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Date: Fri, 7 May 2010 21:47:26 +0200
Subject: [PATCH 1307/3638] Staging: batman-adv: kfree_skb() in interface_tx()
 in error case

As we always return that the we consumed the skb, we should also free the skb
in the case of an error.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/soft-interface.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index 14b5ccaeaca..c3b52885b08 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -275,6 +275,7 @@ unlock:
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
 dropped:
 	priv->stats.tx_dropped++;
+	kfree_skb(skb);
 end:
 	return NETDEV_TX_OK;
 }

From 202cfe106012c3917543ed8792be1affc37f107b Mon Sep 17 00:00:00 2001
From: Sven Eckelmann <sven.eckelmann@gmx.de>
Date: Fri, 7 May 2010 21:47:27 +0200
Subject: [PATCH 1308/3638] Staging: batman-adv: Update pointer to ethhdr after
 skb_copy

We must ensure that all pointer to a socket buffer are updated when we
copy a socket buffer and free our reference to the old one.
Another part of the kernel could also free its reference which maybe
removes the buffer completely. In that situation we would would feed
wrong information to the routing algorithm after the memory area is
written again by someone else.

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/routing.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index bf67059e3ee..919a4f8de19 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -614,6 +614,7 @@ int recv_bat_packet(struct sk_buff *skb,
 		skb = skb_copy(skb, GFP_ATOMIC);
 		if (!skb)
 			return NET_RX_DROP;
+		ethhdr = (struct ethhdr *)skb_mac_header(skb);
 		kfree_skb(skb_old);
 	}
 
@@ -639,8 +640,8 @@ static int recv_my_icmp_packet(struct sk_buff *skb)
 	unsigned long flags;
 	uint8_t dstaddr[ETH_ALEN];
 
-	icmp_packet = (struct icmp_packet *) skb->data;
-	ethhdr = (struct ethhdr *) skb_mac_header(skb);
+	icmp_packet = (struct icmp_packet *)skb->data;
+	ethhdr = (struct ethhdr *)skb_mac_header(skb);
 
 	/* add data to device queue */
 	if (icmp_packet->msg_type != ECHO_REQUEST) {
@@ -671,7 +672,9 @@ static int recv_my_icmp_packet(struct sk_buff *skb)
 			skb = skb_copy(skb, GFP_ATOMIC);
 			if (!skb)
 				return NET_RX_DROP;
-			icmp_packet = (struct icmp_packet *) skb->data;
+
+			icmp_packet = (struct icmp_packet *)skb->data;
+			ethhdr = (struct ethhdr *)skb_mac_header(skb);
 			kfree_skb(skb_old);
 		}
 
@@ -732,6 +735,7 @@ static int recv_icmp_ttl_exceeded(struct sk_buff *skb)
 			if (!skb)
 				return NET_RX_DROP;
 			icmp_packet = (struct icmp_packet *) skb->data;
+			ethhdr = (struct ethhdr *)skb_mac_header(skb);
 			kfree_skb(skb_old);
 		}
 
@@ -780,7 +784,7 @@ int recv_icmp_packet(struct sk_buff *skb)
 	if (!is_my_mac(ethhdr->h_dest))
 		return NET_RX_DROP;
 
-	icmp_packet = (struct icmp_packet *) skb->data;
+	icmp_packet = (struct icmp_packet *)skb->data;
 
 	/* packet for me */
 	if (is_my_mac(icmp_packet->dst))
@@ -812,7 +816,8 @@ int recv_icmp_packet(struct sk_buff *skb)
 			skb = skb_copy(skb, GFP_ATOMIC);
 			if (!skb)
 				return NET_RX_DROP;
-			icmp_packet = (struct icmp_packet *) skb->data;
+			icmp_packet = (struct icmp_packet *)skb->data;
+			ethhdr = (struct ethhdr *)skb_mac_header(skb);
 			kfree_skb(skb_old);
 		}
 
@@ -895,7 +900,8 @@ int recv_unicast_packet(struct sk_buff *skb)
 			skb = skb_copy(skb, GFP_ATOMIC);
 			if (!skb)
 				return NET_RX_DROP;
-			unicast_packet = (struct unicast_packet *) skb->data;
+			unicast_packet = (struct unicast_packet *)skb->data;
+			ethhdr = (struct ethhdr *)skb_mac_header(skb);
 			kfree_skb(skb_old);
 		}
 		/* decrement ttl */

From cee42f49931e610f47229385709385cc98efb856 Mon Sep 17 00:00:00 2001
From: Andrew Lunn <andrew@lunn.ch>
Date: Fri, 7 May 2010 21:47:28 +0200
Subject: [PATCH 1309/3638] Staging: batman-adv: Update TODO file to reflect
 current state.

Not much left to do on the TODO list :-)

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/TODO | 23 +++--------------------
 1 file changed, 3 insertions(+), 20 deletions(-)

diff --git a/drivers/staging/batman-adv/TODO b/drivers/staging/batman-adv/TODO
index 2f15136b18e..518db7fd41b 100644
--- a/drivers/staging/batman-adv/TODO
+++ b/drivers/staging/batman-adv/TODO
@@ -1,23 +1,6 @@
-=> proc interface
-* implement new interface to add/delete interfaces and setting options
-* /proc/sys/net/batman-adv/ as main folder
-* in interfaces/ list every available interface of the host
-* each interfaces/$iface/ contains the following files:
--> enable (def: 0) [add/remove this interface to batman-adv]
--> ogm_interval (def: 1000) [ogm interval of that interface]
--> context (def: bat0) [later we want to support multiple mesh instances via
--> bat0/bat1/bat2/..]
--> status (read-only) [outputs the interface status from batman's
--> perspective]
-* in mesh/batX/ list every available mesh subnet
--> vis_server (def: 0) [enable/disable vis server for that mesh]
--> vis_data (read-only) [outputs the vis data in a raw format]
--> aggregate_ogm (def: 1) [enable/disable ogm aggregation for that mesh]
--> originators (read-only) [outputs the originator table]
--> transtable_global (read-only) [outputs the global translation table]
--> transtable_local (read-only) [outputs the local translation table]
-
-=> fix checkpatch.pl errors
+Request a review.
+Process the comments from the review.
+Move into mainline proper.
 
 Please send all patches to:
 	Marek Lindner <lindner_marek@yahoo.de>

From f9ab70e787c3b94ce7c56324b4afbc8051e99424 Mon Sep 17 00:00:00 2001
From: Sven Eckelmann <sven.eckelmann@gmx.de>
Date: Fri, 7 May 2010 21:47:29 +0200
Subject: [PATCH 1310/3638] Staging: batman-adv: Fix whitespace problems
 criticized by checkpatch.pl

Trailing spaces at the end of a line or before a tab are against
Documentation/CodingStyle "3.1: Spaces" and should be avoided. It is
also common style to add a single space after commas unless it is
followed either by a newline or a tab.

Reported-by: Mikal Sande <mikal.sande@gmail.com>
Reported-by: Luis de Bethencourt <luisbg@ubuntu.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/main.h       | 2 +-
 drivers/staging/batman-adv/originator.c | 4 ++--
 drivers/staging/batman-adv/types.h      | 3 +--
 drivers/staging/batman-adv/vis.c        | 2 +-
 4 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 6749ce036b9..8818e2b8093 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -70,7 +70,7 @@
 #define MODULE_DEACTIVATING 2
 
 #define BCAST_QUEUE_LEN 256
-#define BATMAN_QUEUE_LE	256
+#define BATMAN_QUEUE_LEN	256
 
 /*
  * Debug Messages
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 01d71d7ed42..25a9e215e1a 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -297,7 +297,7 @@ ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 
 	rcu_read_lock();
 	hdr_len = sprintf(buff,
-		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)] \n",
+		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)]\n",
 		   "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
 		   "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
 		   bat_priv->primary_if->dev, bat_priv->primary_if->addr_str,
@@ -354,7 +354,7 @@ ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 
 	if ((batman_count == 0) && (off == 0))
 		bytes_written += sprintf(buff + bytes_written,
-					"No batman nodes in range ... \n");
+					"No batman nodes in range ...\n");
 
 	return bytes_written;
 }
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index c92621965b3..0b1fe9e9544 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -59,8 +59,7 @@ struct orig_node {               /* structure for orig_list maintaining nodes of
 					    seqno window was reset. */
 	unsigned long batman_seqno_reset;/* time when the batman seqno
 					    window was reset. */
-/*	uint8_t  gwflags;      * flags related to gateway functions: gateway class */
-	uint8_t  flags;    		/* for now only VIS_SERVER flag. */
+	uint8_t  flags;			 /* for now only VIS_SERVER flag. */
 	unsigned char *hna_buff;
 	int16_t  hna_buff_len;
 	uint16_t last_real_seqno;   /* last and best known squence number */
diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index b6ff031a34d..1d3d954847f 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -40,7 +40,7 @@
     * when adding 128 - it is neither a predecessor nor a successor,
     * after adding more than 127 to the starting value - it is a successor */
 #define seq_before(x, y) ({typeof(x) _dummy = (x - y); \
-			  _dummy > smallest_signed_int(_dummy); })
+			_dummy > smallest_signed_int(_dummy); })
 #define seq_after(x, y) seq_before(y, x)
 
 struct hashtable_t *vis_hash;

From 6d45d8df243054614d795901c03817e21bfde964 Mon Sep 17 00:00:00 2001
From: Sven Eckelmann <sven.eckelmann@gmx.de>
Date: Fri, 7 May 2010 21:47:30 +0200
Subject: [PATCH 1311/3638] Staging: batman-adv: Reduce max characters on a
 line to 80

Documentation/CodingStyle sets a strongly prefered limit of 80
characters per line in "Chapter 2: Breaking long lines and strings".

Strings must be broken into smaller parts and long statements must be
rewritten.

Reported-by: Mikal Sande <mikal.sande@gmail.com>
Reported-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/device.c           | 22 +++++--
 drivers/staging/batman-adv/hard-interface.c   | 20 +++++--
 drivers/staging/batman-adv/main.c             | 17 ++++--
 drivers/staging/batman-adv/main.h             |  3 +-
 drivers/staging/batman-adv/originator.c       | 47 +++++++++------
 drivers/staging/batman-adv/routing.c          | 57 ++++++++++++++-----
 drivers/staging/batman-adv/send.c             | 21 ++++---
 drivers/staging/batman-adv/soft-interface.c   |  8 ++-
 .../staging/batman-adv/translation-table.c    | 34 +++++++----
 drivers/staging/batman-adv/types.h            | 45 ++++++++++-----
 10 files changed, 186 insertions(+), 88 deletions(-)

diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index b2ecba2d40a..ad82ec4a485 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -57,7 +57,8 @@ int bat_device_setup(void)
 	/* register our device - kernel assigns a free major number */
 	tmp_major = register_chrdev(0, DRIVER_DEVICE, &fops);
 	if (tmp_major < 0) {
-		printk(KERN_ERR "batman-adv:Registering the character device failed with %d\n",
+		printk(KERN_ERR "batman-adv:"
+		       "Registering the character device failed with %d\n",
 			  tmp_major);
 		return 0;
 	}
@@ -65,7 +66,8 @@ int bat_device_setup(void)
 	batman_class = class_create(THIS_MODULE, "batman-adv");
 
 	if (IS_ERR(batman_class)) {
-		printk(KERN_ERR "batman-adv:Could not register class 'batman-adv'\n");
+		printk(KERN_ERR "batman-adv:"
+		       "Could not register class 'batman-adv'\n");
 		return 0;
 	}
 
@@ -108,7 +110,9 @@ int bat_device_open(struct inode *inode, struct file *file)
 	}
 
 	if (i == ARRAY_SIZE(device_client_hash)) {
-		printk(KERN_ERR "batman-adv:Error - can't add another packet client: maximum number of clients reached\n");
+		printk(KERN_ERR "batman-adv:"
+		       "Error - can't add another packet client: "
+		       "maximum number of clients reached\n");
 		kfree(device_client);
 		return -EXFULL;
 	}
@@ -209,7 +213,9 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 	unsigned long flags;
 
 	if (len < sizeof(struct icmp_packet)) {
-		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: invalid packet size\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:"
+			"Error - can't send packet from char device: "
+			"invalid packet size\n");
 		return -EINVAL;
 	}
 
@@ -220,12 +226,16 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 		return -EFAULT;
 
 	if (icmp_packet.packet_type != BAT_ICMP) {
-		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:"
+			"Error - can't send packet from char device: "
+			"got bogus packet type (expected: BAT_ICMP)\n");
 		return -EINVAL;
 	}
 
 	if (icmp_packet.msg_type != ECHO_REQUEST) {
-		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:"
+			"Error - can't send packet from char device: "
+			"got bogus message type (expected: ECHO_REQUEST)\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c
index b82cae79c42..0d1d1011dd4 100644
--- a/drivers/staging/batman-adv/hard-interface.c
+++ b/drivers/staging/batman-adv/hard-interface.c
@@ -149,9 +149,12 @@ static void check_known_mac_addr(uint8_t *addr)
 		if (!compare_orig(batman_if->net_dev->dev_addr, addr))
 			continue;
 
-		printk(KERN_WARNING "batman-adv:The newly added mac address (%pM) already exists on: %s\n",
-		       addr, batman_if->dev);
-		printk(KERN_WARNING "batman-adv:It is strongly recommended to keep mac addresses unique to avoid problems!\n");
+		printk(KERN_WARNING "batman-adv:"
+		    "The newly added mac address (%pM) already exists on: %s\n",
+		    addr, batman_if->dev);
+		printk(KERN_WARNING "batman-adv:"
+		    "It is strongly recommended to keep mac addresses unique"
+		    "to avoid problems!\n");
 	}
 	rcu_read_unlock();
 }
@@ -242,7 +245,8 @@ int hardif_enable_interface(struct batman_if *batman_if)
 	batman_if->packet_buff = kmalloc(batman_if->packet_len, GFP_ATOMIC);
 
 	if (!batman_if->packet_buff) {
-		printk(KERN_ERR "batman-adv:Can't add interface packet (%s): out of memory\n",
+		printk(KERN_ERR "batman-adv:"
+		       "Can't add interface packet (%s): out of memory\n",
 		       batman_if->dev);
 		goto err;
 	}
@@ -266,7 +270,10 @@ int hardif_enable_interface(struct batman_if *batman_if)
 	if (hardif_is_iface_up(batman_if))
 		hardif_activate_interface(bat_priv, batman_if);
 	else
-		printk(KERN_ERR "batman-adv:Not using interface %s (retrying later): interface not active\n", batman_if->dev);
+		printk(KERN_ERR "batman-adv:"
+		       "Not using interface %s "
+		       "(retrying later): interface not active\n",
+		       batman_if->dev);
 
 	/* begin scheduling originator messages on that interface */
 	schedule_own_packet(batman_if);
@@ -316,7 +323,8 @@ static struct batman_if *hardif_add_interface(struct net_device *net_dev)
 
 	batman_if = kmalloc(sizeof(struct batman_if), GFP_ATOMIC);
 	if (!batman_if) {
-		printk(KERN_ERR "batman-adv:Can't add interface (%s): out of memory\n",
+		printk(KERN_ERR "batman-adv:"
+		       "Can't add interface (%s): out of memory\n",
 		       net_dev->name);
 		goto out;
 	}
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index aa072d15134..9d13979c2d8 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -99,14 +99,16 @@ int init_module(void)
 				   interface_setup);
 
 	if (!soft_device) {
-		printk(KERN_ERR "batman-adv:Unable to allocate the batman interface\n");
+		printk(KERN_ERR "batman-adv:"
+		       "Unable to allocate the batman interface\n");
 		goto end;
 	}
 
 	retval = register_netdev(soft_device);
 
 	if (retval < 0) {
-		printk(KERN_ERR "batman-adv:Unable to register the batman interface: %i\n", retval);
+		printk(KERN_ERR "batman-adv:"
+		       "Unable to register the batman interface: %i\n", retval);
 		goto free_soft_device;
 	}
 
@@ -118,8 +120,9 @@ int init_module(void)
 	register_netdevice_notifier(&hard_if_notifier);
 	dev_add_pack(&batman_adv_packet_type);
 
-	printk(KERN_INFO "batman-adv:B.A.T.M.A.N. advanced %s%s (compatibility version %i) loaded\n",
-		  SOURCE_VERSION, REVISION_VERSION_STR, COMPAT_VERSION);
+	printk(KERN_INFO "batman-adv:"
+	       "B.A.T.M.A.N. advanced %s%s (compatibility version %i) loaded\n",
+	       SOURCE_VERSION, REVISION_VERSION_STR, COMPAT_VERSION);
 
 	return 0;
 
@@ -176,7 +179,9 @@ void activate_module(void)
 	goto end;
 
 err:
-	printk(KERN_ERR "batman-adv:Unable to allocate memory for mesh information structures: out of mem ?\n");
+	printk(KERN_ERR "batman-adv:"
+	       "Unable to allocate memory for mesh information structures: "
+	       "out of mem ?\n");
 	deactivate_module();
 end:
 	return;
@@ -218,7 +223,7 @@ void dec_module_count(void)
 
 int addr_to_string(char *buff, uint8_t *addr)
 {
-	return sprintf(buff, "%02x:%02x:%02x:%02x:%02x:%02x",
+	return sprintf(buff, MAC_FMT,
 		       addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
 }
 
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index 8818e2b8093..5f8343d360f 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -22,7 +22,8 @@
 /* Kernel Programming */
 #define LINUX
 
-#define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, Simon Wunderlich <siwu@hrz.tu-chemnitz.de>"
+#define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, " \
+		      "Simon Wunderlich <siwu@hrz.tu-chemnitz.de>"
 #define DRIVER_DESC   "B.A.T.M.A.N. advanced"
 #define DRIVER_DEVICE "batman-adv"
 
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 25a9e215e1a..568aef8371b 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -140,8 +140,10 @@ struct orig_node *get_orig_node(uint8_t *addr)
 	memcpy(orig_node->orig, addr, ETH_ALEN);
 	orig_node->router = NULL;
 	orig_node->hna_buff = NULL;
-	orig_node->bcast_seqno_reset = jiffies - msecs_to_jiffies(RESET_PROTECTION_MS) - 1;
-	orig_node->batman_seqno_reset = jiffies - msecs_to_jiffies(RESET_PROTECTION_MS) - 1;
+	orig_node->bcast_seqno_reset = jiffies - 1
+					- msecs_to_jiffies(RESET_PROTECTION_MS);
+	orig_node->batman_seqno_reset = jiffies - 1
+					- msecs_to_jiffies(RESET_PROTECTION_MS);
 
 	size = bat_priv->num_ifaces * sizeof(TYPE_OF_WORD) * NUM_WORDS;
 
@@ -198,11 +200,15 @@ static bool purge_orig_neighbors(struct orig_node *orig_node,
 
 			if (neigh_node->if_incoming->if_status ==
 							IF_TO_BE_REMOVED)
-				bat_dbg(DBG_BATMAN, "neighbor purge: originator %pM, neighbor: %pM, iface: %s\n",
+				bat_dbg(DBG_BATMAN,
+					"neighbor purge: originator %pM, "
+					"neighbor: %pM, iface: %s\n",
 					orig_node->orig, neigh_node->addr,
 					neigh_node->if_incoming->dev);
 			else
-				bat_dbg(DBG_BATMAN, "neighbor timeout: originator %pM, neighbor: %pM, last_valid: %lu\n",
+				bat_dbg(DBG_BATMAN,
+					"neighbor timeout: originator %pM, "
+					"neighbor: %pM, last_valid: %lu\n",
 					orig_node->orig, neigh_node->addr,
 					(neigh_node->last_valid / HZ));
 
@@ -280,24 +286,25 @@ ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
 	if (!bat_priv->primary_if) {
 		if (off == 0)
 			return sprintf(buff,
-				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
-				       net_dev->name);
+				     "BATMAN mesh %s disabled - "
+				     "please specify interfaces to enable it\n",
+				     net_dev->name);
 
 		return 0;
 	}
 
-	if (bat_priv->primary_if->if_status != IF_ACTIVE) {
-		if (off == 0)
-			return sprintf(buff,
-				       "BATMAN mesh %s disabled - primary interface not active\n",
-				       net_dev->name);
-
+	if (bat_priv->primary_if->if_status != IF_ACTIVE && off == 0)
+		return sprintf(buff,
+			       "BATMAN mesh %s "
+			       "disabled - primary interface not active\n",
+			       net_dev->name);
+	else if (bat_priv->primary_if->if_status != IF_ACTIVE)
 		return 0;
-	}
 
 	rcu_read_lock();
 	hdr_len = sprintf(buff,
-		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)]\n",
+		   "  %-14s (%s/%i) %17s [%10s]: %20s "
+		   "... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)]\n",
 		   "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
 		   "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
 		   bat_priv->primary_if->dev, bat_priv->primary_if->addr_str,
@@ -366,7 +373,8 @@ static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
 	data_ptr = kmalloc(max_if_num * sizeof(TYPE_OF_WORD) * NUM_WORDS,
 			   GFP_ATOMIC);
 	if (!data_ptr) {
-		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+		printk(KERN_ERR
+		       "batman-adv:Can't resize orig: out of memory\n");
 		return -1;
 	}
 
@@ -377,7 +385,8 @@ static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
 
 	data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
 	if (!data_ptr) {
-		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+		printk(KERN_ERR
+		       "batman-adv:Can't resize orig: out of memory\n");
 		return -1;
 	}
 
@@ -426,7 +435,8 @@ static int orig_node_del_if(struct orig_node *orig_node,
 	chunk_size = sizeof(TYPE_OF_WORD) * NUM_WORDS;
 	data_ptr = kmalloc(max_if_num * chunk_size, GFP_ATOMIC);
 	if (!data_ptr) {
-		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+		printk(KERN_ERR
+		       "batman-adv:Can't resize orig: out of memory\n");
 		return -1;
 	}
 
@@ -447,7 +457,8 @@ free_bcast_own:
 
 	data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
 	if (!data_ptr) {
-		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
+		printk(KERN_ERR
+		       "batman-adv:Can't resize orig: out of memory\n");
 		return -1;
 	}
 
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index 919a4f8de19..066dc8b3881 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -94,7 +94,11 @@ static void update_route(struct orig_node *orig_node,
 
 		/* route changed */
 	} else {
-		bat_dbg(DBG_ROUTES, "Changing route towards: %pM (now via %pM - was via %pM)\n", orig_node->orig, neigh_node->addr, orig_node->router->addr);
+		bat_dbg(DBG_ROUTES,
+			"Changing route towards: %pM "
+			"(now via %pM - was via %pM)\n",
+			orig_node->orig, neigh_node->addr,
+			orig_node->router->addr);
 	}
 
 	orig_node->router = neigh_node;
@@ -207,7 +211,11 @@ static int isBidirectionalNeigh(struct orig_node *orig_node,
 			      orig_neigh_node->tq_asym_penalty) /
 			     (TQ_MAX_VALUE * TQ_MAX_VALUE));
 
-	bat_dbg(DBG_BATMAN, "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n",
+	bat_dbg(DBG_BATMAN,
+		"bidirectional: "
+		"orig = %-15pM neigh = %-15pM => own_bcast = %2i, "
+		"real recv = %2i, local tq: %3i, asym_penalty: %3i, "
+		"total tq: %3i\n",
 		orig_node->orig, orig_neigh_node->orig, total_count,
 		neigh_node->real_packet_count, orig_neigh_node->tq_own,
 		orig_neigh_node->tq_asym_penalty, batman_packet->tq);
@@ -229,7 +237,8 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr,
 	struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
 	int tmp_hna_buff_len;
 
-	bat_dbg(DBG_BATMAN, "update_originator(): Searching and updating originator entry of received packet\n");
+	bat_dbg(DBG_BATMAN, "update_originator(): "
+		"Searching and updating originator entry of received packet\n");
 
 	list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
 		if (compare_orig(tmp_neigh_node->addr, ethhdr->h_source) &&
@@ -422,7 +431,9 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 	is_single_hop_neigh = (compare_orig(ethhdr->h_source,
 					    batman_packet->orig) ? 1 : 0);
 
-	bat_dbg(DBG_BATMAN, "Received BATMAN packet via NB: %pM, IF: %s [%s] (from OG: %pM, via prev OG: %pM, seqno %d, tq %d, TTL %d, V %d, IDF %d)\n",
+	bat_dbg(DBG_BATMAN, "Received BATMAN packet via NB: %pM, IF: %s [%s] "
+		"(from OG: %pM, via prev OG: %pM, seqno %d, tq %d, "
+		"TTL %d, V %d, IDF %d)\n",
 		ethhdr->h_source, if_incoming->dev, if_incoming->addr_str,
 		batman_packet->orig, batman_packet->prev_sender,
 		batman_packet->seqno, batman_packet->tq, batman_packet->ttl,
@@ -457,13 +468,16 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 
 	if (is_my_addr) {
 		bat_dbg(DBG_BATMAN,
-			"Drop packet: received my own broadcast (sender: %pM)\n",
+			"Drop packet: received my own broadcast (sender: %pM"
+			")\n",
 			ethhdr->h_source);
 		return;
 	}
 
 	if (is_broadcast) {
-		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all packets with broadcast source addr (sender: %pM)\n", ethhdr->h_source);
+		bat_dbg(DBG_BATMAN, "Drop packet: "
+		"ignoring all packets with broadcast source addr (sender: %pM"
+		")\n", ethhdr->h_source);
 		return;
 	}
 
@@ -491,12 +505,15 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 				bit_packet_count(word);
 		}
 
-		bat_dbg(DBG_BATMAN, "Drop packet: originator packet from myself (via neighbor)\n");
+		bat_dbg(DBG_BATMAN, "Drop packet: "
+			"originator packet from myself (via neighbor)\n");
 		return;
 	}
 
 	if (is_my_oldorig) {
-		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n", ethhdr->h_source);
+		bat_dbg(DBG_BATMAN,
+			"Drop packet: ignoring all rebroadcast echos (sender: "
+			"%pM)\n", ethhdr->h_source);
 		return;
 	}
 
@@ -507,12 +524,15 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 	is_duplicate = count_real_packets(ethhdr, batman_packet, if_incoming);
 
 	if (is_duplicate == -1) {
-		bat_dbg(DBG_BATMAN, "Drop packet: packet within seqno protection time (sender: %pM)\n", ethhdr->h_source);
+		bat_dbg(DBG_BATMAN,
+			"Drop packet: packet within seqno protection time "
+			"(sender: %pM)\n", ethhdr->h_source);
 		return;
 	}
 
 	if (batman_packet->tq == 0) {
-		bat_dbg(DBG_BATMAN,	"Drop packet: originator packet with tq equal 0\n");
+		bat_dbg(DBG_BATMAN,
+			"Drop packet: originator packet with tq equal 0\n");
 		return;
 	}
 
@@ -524,7 +544,9 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 	    !(compare_orig(batman_packet->orig, batman_packet->prev_sender)) &&
 	    (compare_orig(orig_node->router->addr,
 			  orig_node->router->orig_node->router->addr))) {
-		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n", ethhdr->h_source);
+		bat_dbg(DBG_BATMAN,
+			"Drop packet: ignoring all rebroadcast packets that "
+			"may make me loop (sender: %pM)\n", ethhdr->h_source);
 		return;
 	}
 
@@ -562,7 +584,8 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 		schedule_forward_packet(orig_node, ethhdr, batman_packet,
 					1, hna_buff_len, if_incoming);
 
-		bat_dbg(DBG_BATMAN, "Forwarding packet: rebroadcast neighbor packet with direct link flag\n");
+		bat_dbg(DBG_BATMAN, "Forwarding packet: "
+			"rebroadcast neighbor packet with direct link flag\n");
 		return;
 	}
 
@@ -708,8 +731,10 @@ static int recv_icmp_ttl_exceeded(struct sk_buff *skb)
 
 	/* send TTL exceeded if packet is an echo request (traceroute) */
 	if (icmp_packet->msg_type != ECHO_REQUEST) {
-		printk(KERN_WARNING "batman-adv:Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n",
-			icmp_packet->orig, icmp_packet->dst);
+		printk(KERN_WARNING "batman-adv:"
+		       "Warning - can't forward icmp packet from %pM to %pM: "
+		       "ttl exceeded\n",
+		       icmp_packet->orig, icmp_packet->dst);
 		return NET_RX_DROP;
 	}
 
@@ -874,7 +899,9 @@ int recv_unicast_packet(struct sk_buff *skb)
 
 	/* TTL exceeded */
 	if (unicast_packet->ttl < 2) {
-		printk(KERN_WARNING "batman-adv:Warning - can't forward unicast packet from %pM to %pM: ttl exceeded\n",
+		printk(KERN_WARNING "batman-adv:Warning - "
+		       "can't forward unicast packet from %pM to %pM: "
+		       "ttl exceeded\n",
 		       ethhdr->h_source, unicast_packet->dest);
 		return NET_RX_DROP;
 	}
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index f58a9edfc2c..d8536e277a2 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -65,7 +65,8 @@ int send_skb_packet(struct sk_buff *skb,
 
 	if (!(batman_if->net_dev->flags & IFF_UP)) {
 		printk(KERN_WARNING
-		       "batman-adv:Interface %s is not up - can't send packet via that interface!\n",
+		       "batman-adv:Interface %s "
+		       "is not up - can't send packet via that interface!\n",
 		       batman_if->dev);
 		goto send_skb_err;
 	}
@@ -148,9 +149,9 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
 							    "Sending own" :
 							    "Forwarding"));
 		bat_dbg(DBG_BATMAN,
-			"%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d, IDF %s) on interface %s [%s]\n",
-			fwd_str,
-			(packet_num > 0 ? "aggregated " : ""),
+			"%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d,"
+			" IDF %s) on interface %s [%s]\n",
+			fwd_str, (packet_num > 0 ? "aggregated " : ""),
 			batman_packet->orig, ntohs(batman_packet->seqno),
 			batman_packet->tq, batman_packet->ttl,
 			(batman_packet->flags & DIRECTLINK ?
@@ -178,7 +179,8 @@ static void send_packet(struct forw_packet *forw_packet)
 	unsigned char directlink = (batman_packet->flags & DIRECTLINK ? 1 : 0);
 
 	if (!forw_packet->if_incoming) {
-		printk(KERN_ERR "batman-adv: Error - can't forward packet: incoming iface not specified\n");
+		printk(KERN_ERR "batman-adv: Error - can't forward packet: "
+		       "incoming iface not specified\n");
 		return;
 	}
 
@@ -192,7 +194,8 @@ static void send_packet(struct forw_packet *forw_packet)
 
 		/* FIXME: what about aggregated packets ? */
 		bat_dbg(DBG_BATMAN,
-			"%s packet (originator %pM, seqno %d, TTL %d) on interface %s [%s]\n",
+			"%s packet (originator %pM, seqno %d, TTL %d) "
+			"on interface %s [%s]\n",
 			(forw_packet->own ? "Sending own" : "Forwarding"),
 			batman_packet->orig, ntohs(batman_packet->seqno),
 			batman_packet->ttl, forw_packet->if_incoming->dev,
@@ -322,7 +325,8 @@ void schedule_forward_packet(struct orig_node *orig_node,
 			batman_packet->tq = orig_node->router->tq_avg;
 
 			if (orig_node->router->last_ttl)
-				batman_packet->ttl = orig_node->router->last_ttl - 1;
+				batman_packet->ttl = orig_node->router->last_ttl
+							- 1;
 		}
 
 		tq_avg = orig_node->router->tq_avg;
@@ -331,7 +335,8 @@ void schedule_forward_packet(struct orig_node *orig_node,
 	/* apply hop penalty */
 	batman_packet->tq = hop_penalty(batman_packet->tq);
 
-	bat_dbg(DBG_BATMAN, "Forwarding packet: tq_orig: %i, tq_avg: %i, tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n",
+	bat_dbg(DBG_BATMAN, "Forwarding packet: tq_orig: %i, tq_avg: %i, "
+		"tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n",
 		in_tq, tq_avg, batman_packet->tq, in_ttl - 1,
 		batman_packet->ttl);
 
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index c3b52885b08..51c40b77c8d 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -237,6 +237,8 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 
 		if ((orig_node) &&
 		    (orig_node->router)) {
+			struct neigh_node *router = orig_node->router;
+
 			if (my_skb_push(skb, sizeof(struct unicast_packet)) < 0)
 				goto unlock;
 
@@ -251,14 +253,14 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 			memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
 
 			/* net_dev won't be available when not active */
-			if (orig_node->router->if_incoming->if_status != IF_ACTIVE)
+			if (router->if_incoming->if_status != IF_ACTIVE)
 				goto unlock;
 
 			/* don't lock while sending the packets ... we therefore
 			 * copy the required data before sending */
 
-			batman_if = orig_node->router->if_incoming;
-			memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+			batman_if = router->if_incoming;
+			memcpy(dstaddr, router->addr, ETH_ALEN);
 			spin_unlock_irqrestore(&orig_hash_lock, flags);
 
 			send_skb_packet(skb, batman_if, dstaddr);
diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c
index c7a6635e34a..e01ff2151f7 100644
--- a/drivers/staging/batman-adv/translation-table.c
+++ b/drivers/staging/batman-adv/translation-table.c
@@ -77,7 +77,10 @@ void hna_local_add(uint8_t *addr)
 	   MAC-flooding. */
 	if ((num_hna + 1 > (ETH_DATA_LEN - BAT_PACKET_LEN) / ETH_ALEN) ||
 	    (num_hna + 1 > 255)) {
-		bat_dbg(DBG_ROUTES, "Can't add new local hna entry (%pM): number of local hna entries exceeds packet size\n", addr);
+		bat_dbg(DBG_ROUTES,
+			"Can't add new local hna entry (%pM): "
+			"number of local hna entries exceeds packet size\n",
+			addr);
 		return;
 	}
 
@@ -108,7 +111,8 @@ void hna_local_add(uint8_t *addr)
 				       hna_local_hash->size * 2);
 
 		if (swaphash == NULL)
-			printk(KERN_ERR "batman-adv:Couldn't resize local hna hash table\n");
+			printk(KERN_ERR "batman-adv:"
+			       "Couldn't resize local hna hash table\n");
 		else
 			hna_local_hash = swaphash;
 	}
@@ -169,14 +173,16 @@ int hna_local_fill_buffer_text(struct net_device *net_dev, char *buff,
 	if (!bat_priv->primary_if) {
 		if (off == 0)
 			return sprintf(buff,
-				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
-				       net_dev->name);
+				     "BATMAN mesh %s disabled - "
+				     "please specify interfaces to enable it\n",
+				     net_dev->name);
 
 		return 0;
 	}
 
 	hdr_len = sprintf(buff,
-			  "Locally retrieved addresses (from %s) announced via HNA:\n",
+			  "Locally retrieved addresses (from %s) "
+			  "announced via HNA:\n",
 			  net_dev->name);
 
 	if (off < hdr_len)
@@ -196,7 +202,7 @@ int hna_local_fill_buffer_text(struct net_device *net_dev, char *buff,
 		hna_local_entry = hashit.bucket->data;
 
 		bytes_written += snprintf(buff + bytes_written, 22,
-					  " * %02x:%02x:%02x:%02x:%02x:%02x\n",
+					  " * " MAC_FMT "\n",
 					  hna_local_entry->addr[0],
 					  hna_local_entry->addr[1],
 					  hna_local_entry->addr[2],
@@ -317,7 +323,8 @@ void hna_global_add_orig(struct orig_node *orig_node,
 			memcpy(hna_global_entry->addr, hna_ptr, ETH_ALEN);
 
 			bat_dbg(DBG_ROUTES,
-				"Creating new global hna entry: %pM (via %pM)\n",
+				"Creating new global hna entry: "
+				"%pM (via %pM)\n",
 				hna_global_entry->addr, orig_node->orig);
 
 			spin_lock_irqsave(&hna_global_hash_lock, flags);
@@ -362,7 +369,8 @@ void hna_global_add_orig(struct orig_node *orig_node,
 				       hna_global_hash->size * 2);
 
 		if (swaphash == NULL)
-			printk(KERN_ERR "batman-adv:Couldn't resize global hna hash table\n");
+			printk(KERN_ERR "batman-adv:"
+			       "Couldn't resize global hna hash table\n");
 		else
 			hna_global_hash = swaphash;
 	}
@@ -383,14 +391,16 @@ int hna_global_fill_buffer_text(struct net_device *net_dev, char *buff,
 	if (!bat_priv->primary_if) {
 		if (off == 0)
 			return sprintf(buff,
-				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
-				       net_dev->name);
+				     "BATMAN mesh %s disabled - "
+				     "please specify interfaces to enable it\n",
+				     net_dev->name);
 
 		return 0;
 	}
 
 	hdr_len = sprintf(buff,
-			  "Globally announced HNAs received via the mesh %s (translation table):\n",
+			  "Globally announced HNAs received via the mesh %s "
+			  "(translation table):\n",
 			  net_dev->name);
 
 	if (off < hdr_len)
@@ -410,7 +420,7 @@ int hna_global_fill_buffer_text(struct net_device *net_dev, char *buff,
 		hna_global_entry = hashit.bucket->data;
 
 		bytes_written += snprintf(buff + bytes_written, 44,
-					  " * %02x:%02x:%02x:%02x:%02x:%02x via %02x:%02x:%02x:%02x:%02x:%02x\n",
+					  " * " MAC_FMT " via " MAC_FMT "\n",
 					  hna_global_entry->addr[0],
 					  hna_global_entry->addr[1],
 					  hna_global_entry->addr[2],
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index 0b1fe9e9544..86007c7eb44 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -29,7 +29,10 @@
 #include "packet.h"
 #include "bitarray.h"
 
-#define BAT_HEADER_LEN (sizeof(struct ethhdr) + ((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? sizeof(struct unicast_packet) : sizeof(struct bcast_packet))))
+#define BAT_HEADER_LEN (sizeof(struct ethhdr) + \
+	((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? \
+	 sizeof(struct unicast_packet) : \
+	 sizeof(struct bcast_packet))))
 
 
 struct batman_if {
@@ -47,28 +50,40 @@ struct batman_if {
 
 };
 
-struct orig_node {               /* structure for orig_list maintaining nodes of mesh */
+/**
+  *	orig_node - structure for orig_list maintaining nodes of mesh
+  *	@last_valid: when last packet from this node was received
+  *	@bcast_seqno_reset: time when the broadcast seqno window was reset
+  *	@batman_seqno_reset: time when the batman seqno window was reset
+  *	@flags: for now only VIS_SERVER flag
+  *	@last_real_seqno: last and best known squence number
+  *	@last_ttl: ttl of last received packet
+  *	@last_bcast_seqno: last broadcast sequence number received by this host
+ */
+struct orig_node {
 	uint8_t orig[ETH_ALEN];
 	struct neigh_node *router;
 	TYPE_OF_WORD *bcast_own;
 	uint8_t *bcast_own_sum;
 	uint8_t tq_own;
 	int tq_asym_penalty;
-	unsigned long last_valid;        /* when last packet from this node was received */
-	unsigned long bcast_seqno_reset; /* time when the broadcast
-					    seqno window was reset. */
-	unsigned long batman_seqno_reset;/* time when the batman seqno
-					    window was reset. */
-	uint8_t  flags;			 /* for now only VIS_SERVER flag. */
+	unsigned long last_valid;
+	unsigned long bcast_seqno_reset;
+	unsigned long batman_seqno_reset;
+	uint8_t  flags;
 	unsigned char *hna_buff;
 	int16_t  hna_buff_len;
-	uint16_t last_real_seqno;   /* last and best known squence number */
-	uint8_t last_ttl;         /* ttl of last received packet */
+	uint16_t last_real_seqno;
+	uint8_t last_ttl;
 	TYPE_OF_WORD bcast_bits[NUM_WORDS];
-	uint16_t last_bcast_seqno;  /* last broadcast sequence number received by this host */
+	uint16_t last_bcast_seqno;
 	struct list_head neigh_list;
 };
 
+/**
+  *	neigh_node
+  *	@last_valid: when last packet via this neighbor was received
+ */
 struct neigh_node {
 	struct list_head list;
 	uint8_t addr[ETH_ALEN];
@@ -77,7 +92,7 @@ struct neigh_node {
 	uint8_t tq_index;
 	uint8_t tq_avg;
 	uint8_t last_ttl;
-	unsigned long last_valid;            /* when last packet via this neighbor was received */
+	unsigned long last_valid;
 	TYPE_OF_WORD real_bits[NUM_WORDS];
 	struct orig_node *orig_node;
 	struct batman_if *if_incoming;
@@ -117,7 +132,11 @@ struct hna_global_entry {
 	struct orig_node *orig_node;
 };
 
-struct forw_packet {               /* structure for forw_list maintaining packets to be send/forwarded */
+/**
+  *	forw_packet - structure for forw_list maintaining packets to be
+  *	              send/forwarded
+ */
+struct forw_packet {
 	struct hlist_node list;
 	unsigned long send_time;
 	uint8_t own;

From 2d06efdb48e412b90a67c3986222fd5743400e37 Mon Sep 17 00:00:00 2001
From: Andrew Lunn <andrew@lunn.ch>
Date: Fri, 7 May 2010 21:47:31 +0200
Subject: [PATCH 1312/3638] Staging: batman-adv: updating README

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/README | 279 +++++++++++++++++++-----------
 1 file changed, 175 insertions(+), 104 deletions(-)

diff --git a/drivers/staging/batman-adv/README b/drivers/staging/batman-adv/README
index e2a72718f3f..14244a2c4e4 100644
--- a/drivers/staging/batman-adv/README
+++ b/drivers/staging/batman-adv/README
@@ -1,169 +1,240 @@
-[state: 22-03-2010]
+[state: 03-05-2010]
 
 BATMAN-ADV
 ----------
 
-Batman-advanced is a new approach to wireless networking which does no longer
-operate on the IP basis. Unlike B.A.T.M.A.N, which exchanges information
-using UDP packets and sets routing tables, batman-advanced operates on ISO/OSI
-Layer 2 only and uses and routes (or better: bridges) Ethernet Frames. It
-emulates a virtual network switch of all nodes participating. Therefore all
-nodes appear to be link local, thus all higher operating protocols won't be
-affected by any changes within the network. You can run almost any protocol
-above B.A.T.M.A.N. Advanced, prominent examples are: IPv4, IPv6, DHCP, IPX.
+Batman  advanced  is  a new approach to wireless networking which
+does no longer operate on the IP basis. Unlike the batman daemon,
+which  exchanges  information  using UDP packets and sets routing
+tables, batman-advanced operates on ISO/OSI Layer 2 only and uses
+and  routes  (or  better: bridges) Ethernet Frames. It emulates a
+virtual network switch of all nodes participating.  Therefore all
+nodes  appear  to be link local, thus all higher operating proto-
+cols won't be affected by any changes within the network. You can
+run almost any protocol above batman advanced, prominent examples
+are: IPv4, IPv6, DHCP, IPX.
+
+Batman advanced was implemented as a Linux kernel driver  to  re-
+duce the overhead to a minimum. It does not depend on any (other)
+network driver, and can be used on wifi as well as ethernet  lan,
+vpn,  etc ... (anything with ethernet-style layer 2).
+
+CONFIGURATION
+-------------
+
+Load the batman-adv module into your kernel:
+
+# insmod batman-adv.ko
+
+The  module  is now waiting for activation. You must add some in-
+terfaces on which batman can operate. After  loading  the  module
+batman  advanced  will scan your systems interfaces to search for
+compatible interfaces. Once found, it will create  subfolders  in
+the /sys directories of each supported interface, e.g.
+
+# ls /sys/class/net/eth0/batman_adv/
+# iface_status  mesh_iface
+
+If an interface does not have the "batman_adv" subfolder it prob-
+ably is not supported. Not supported  interfaces  are:  loopback,
+non-ethernet and batman's own interfaces.
+
+Note:  After the module was loaded it will continuously watch for
+new interfaces to verify the compatibility. There is no  need  to
+reload the module if you plug your USB wifi adapter into your ma-
+chine after batman advanced was initially loaded.
+
+To activate a  given  interface  simply  write  "bat0"  into  its
+"mesh_iface" file inside the batman_adv subfolder:
+
+# echo bat0 > /sys/class/net/eth0/batman_adv/mesh_iface
+
+Repeat  this step for all interfaces you wish to add.  Now batman
+starts using/broadcasting on this/these interface(s).
+
+By reading the "iface_status" file you can check its status:
+
+# cat /sys/class/net/eth0/batman_adv/iface_status
+# active
+
+To deactivate an interface you have  to  write  "none"  into  its
+"mesh_iface" file:
+
+# echo none > /sys/class/net/eth0/batman_adv/mesh_iface
+
+
+All  mesh  wide  settings  can be found in batman's own interface
+folder:
+
+#  ls  /sys/class/net/bat0/mesh/
+#  aggregate_ogm   originators        transtable_global  vis_mode
+#  orig_interval   transtable_local   vis_data
+
+
+Some of the files contain all sort of status information  regard-
+ing  the  mesh  network.  For  example, you can view the table of
+originators (mesh participants) with:
+
+# cat /sys/class/net/bat0/mesh/originators
+
+Other files allow to change batman's behaviour to better fit your
+requirements.  For instance, you can check the current originator
+interval (value in milliseconds which determines how often batman
+sends its broadcast packets):
+
+# cat /sys/class/net/bat0/mesh/orig_interval
+# status: 1000
+
+and also change its value:
+
+# echo 3000 > /sys/class/net/bat0/mesh/orig_interval
+
+In very mobile scenarios, you might want to adjust the originator
+interval to a lower value. This will make the mesh  more  respon-
+sive to topology changes, but will also increase the overhead.
 
-This is batman-advanced implemented as Linux kernel driver. It does not depend
-on any network (other) driver, and can be used on wifi as well as ethernet,
-vpn, etc ... (anything with ethernet-style layer 2).
 
 USAGE
 -----
 
-insmod the batman-adv.ko in your kernel:
+To  make use of your newly created mesh, batman advanced provides
+a new interface "bat0" which you should use from this  point  on.
+All  interfaces  added  to  batman  advanced are not relevant any
+longer because batman handles them for you. Basically, one "hands
+over" the data by using the batman interface and batman will make
+sure it reaches its destination.
 
-# insmod batman-adv.ko
+The "bat0" interface can be used like any  other  regular  inter-
+face.  It needs an IP address which can be either statically con-
+figured or dynamically (by using DHCP or similar services):
 
-the module is now waiting for activation. You must add some interfaces
-on which batman can operate. Each interface must be added separately:
+# NodeA: ifconfig bat0 192.168.0.1
+# NodeB: ifconfig bat0 192.168.0.2
+# NodeB: ping 192.168.0.1
 
-# echo wlan0 > /proc/net/batman-adv/interfaces
+Note:  In  order to avoid problems remove all IP addresses previ-
+ously assigned to interfaces now used by batman advanced, e.g.
 
-( # echo wlan1 > /proc/net/batman-adv/interfaces )
-( # echo eth0 > /proc/net/batman-adv/interfaces )
-( ... )
+# ifconfig eth0 0.0.0.0
 
-Now batman starts broadcasting on this interface.
-You can now view the table of originators (mesh participants) with:
 
-# cat /proc/net/batman-adv/originators
+VISUALIZATION
+-------------
 
-The module will create a new interface "bat0", which can be used as a
-regular interface:
+If you want topology visualization, at least one mesh  node  must
+be configured as VIS-server:
 
-# ifconfig bat0 inet 192.168.0.1 up
-# ping 192.168.0.2
-...
+# echo "server" > /sys/class/net/bat0/mesh/vis_mode
 
----
-If you want topology visualization, your meshnode must be configured
-as VIS-server:
+Each  node  is  either configured as "server" or as "client" (de-
+fault: "client").  Clients send their topology data to the server
+next to them, and server synchronize with other servers. If there
+is no server configured (default) within the  mesh,  no  topology
+information   will  be  transmitted.  With  these  "synchronizing
+servers", there can be 1 or more vis servers sharing the same (or
+at least very similar) data.
 
-# echo "server" > /proc/net/batman-adv/vis_server
+When  configured  as  server,  you can get a topology snapshot of
+your mesh:
 
-Each node is either configured as "server" or as "client" (default:
-"client"). Clients send their topology data to the server next to them,
-and server synchronize with other servers. If there is no server
-configured (default) within the mesh, no topology information will be
-transmitted. With these "synchronizing servers", there can be 1 or
-more vis servers sharing the same (or at least very similar) data.
+# cat /sys/class/net/bat0/mesh/vis_data
 
-When configured as server, you can get a topology snapshot of your mesh:
+This raw output is intended to be easily parsable and convertable
+with  other tools. Have a look at the batctl README if you want a
+vis output in dot or json format for instance and how those  out-
+puts could then be visualised in an image.
 
-# cat /proc/net/batman-adv/vis_data
-
-This raw output is intended to be easily parsable and convertable with
-other tools. Have a look at the batctl README if you want a vis output
-in dot or json format for instance and how those outputs could then be
-visualised in an image.
-
-The raw format consists of comma seperated values per entry where each
-entry is giving information about a certain source interface. Each entry
-can/has to have the following values:
--> "mac" -> mac address of an originator's source interface
+The raw format consists of comma separated values per entry where
+each entry is giving information about a  certain  source  inter-
+face.  Each  entry can/has to have the following values:
+-> "mac" - mac address of an originator's source interface
            (each line begins with it)
--> "TQ mac value" -> src mac's link quality towards mac address of a neighbor
-                     originator's interface which is being used for routing
--> "HNA mac" -> HNA announced by source mac
--> "PRIMARY" -> this is a primary interface
--> "SEC mac" -> secondary mac address of source (requires preceeding
--> PRIMARY)
+-> "TQ mac  value"  -  src mac's link quality towards mac address
+                       of a neighbor originator's interface which
+                       is being used for routing
+-> "HNA mac" - HNA announced by source mac
+-> "PRIMARY" - this  is a primary interface
+-> "SEC mac" - secondary mac address of source
+               (requires preceding PRIMARY)
 
-The TQ value has a range from 4 to 255 with 255 being the best.
-The HNA entries are showing which hosts are connected to the mesh via bat0
-or being bridged into the mesh network.
-The PRIMARY/SEC values are only applied on primary interfaces
+The TQ value has a range from 4 to 255 with 255 being  the  best.
+The HNA entries are showing which hosts are connected to the mesh
+via bat0 or being bridged into the mesh network.  The PRIMARY/SEC
+values are only applied on primary interfaces
 
----
-In very mobile scenarios, you might want to adjust the originator
-interval to a lower value. This will make the mesh more responsive to
-topology changes, but will also increase the overhead. Please make sure
-that all nodes in your mesh use the same interval. The default value
-is 1000 ms (1 second).
-
-# echo 1000 > /proc/net/batman-adv/orig_interval
-
-To deactivate batman, do:
-
-# echo "" > /proc/net/batman-adv/interfaces
 
 LOGGING/DEBUGGING
 -----------------
 
-All error messages, warnings and information messages are sent to the
-kernel log. Depending on your operating system distribution this can be
-read in one of a number of ways. Try using the commands: dmesg,
-logread, or looking in the files /var/log/kern.log or
-/var/log/syslog. All batman-adv messages are prefixed with
+All error messages, warnings and information messages are sent to
+the kernel log. Depending on your operating  system  distribution
+this  can  be read in one of a number of ways. Try using the com-
+mands: dmesg, logread, or looking in the files  /var/log/kern.log
+or  /var/log/syslog.  All  batman-adv  messages are prefixed with
 "batman-adv:" So to see just these messages try
 
-dmesg | grep batman-adv
+# dmesg | grep batman-adv
 
-When investigating problems with your mesh network it is sometimes
-necessary to see more detail debug messages. This must be enabled when
-compiling the batman-adv module. Use "make menuconfig" and enable the
+When investigating problems with your mesh network  it  is  some-
+times  necessary  to see more detail debug messages. This must be
+enabled when compiling the batman-adv module. When building  bat-
+man-adv  as  part of kernel, use "make menuconfig" and enable the
 option "B.A.T.M.A.N. debugging".
 
-The additional debug output is by default disabled. It can be enabled
-either at kernel module load time or during run time. To enable debug
-output at module load time, add the module parameter debug=<value>.
-<value> can take one of four values.
+The additional debug output is by default disabled. It can be en-
+abled  either  at kernel modules load time or during run time. To
+enable debug output at module load time, add the module parameter
+debug=<value>.  <value> can take one of four values.
 
-0 - All debug output disabled
+0 - All  debug  output  disabled
 1 - Enable messages related to routing / flooding / broadcasting
 2 - Enable route or hna added / changed / deleted
 3 - Enable all messages
 
 e.g.
 
-modprobe batman-adv debug=2
+# modprobe batman-adv debug=2
 
-will load the module and enable debug messages for when routes or HNAs
-change.
+will load the module and enable debug messages for when routes or
+HNAs change.
 
-The debug output can also be changed at runtime using the file
+The debug output can also be changed at runtime  using  the  file
 /sys/module/batman-adv/parameters/debug. e.g.
 
-echo 2 > /sys/module/batman-adv/parameters/debug
+# echo 2 > /sys/module/batman-adv/parameters/debug
 
 enables debug messages for when routes or HNAs
 
-The debug output is sent to the kernel logs. So try dmesg, logread etc
-to see the debug messages.
+The  debug  output  is sent to the kernel logs. So try dmesg, lo-
+gread, etc to see the debug messages.
+
 
 BATCTL
 ------
 
-B.A.T.M.A.N.  advanced operates on layer 2 and thus all hosts
-participating in the virtual switch are completely transparent for all
-protocols above layer 2. Therefore the common diagnosis tools do not
-work as expected. To overcome these problems batctl was created. At
-the moment the batctl contains ping, traceroute, tcpdump and
+As batman advanced operates on layer 2 all hosts participating in
+the  virtual switch are completely transparent for all  protocols
+above layer 2. Therefore the common diagnosis tools do  not  work
+as  expected.  To  overcome these problems batctl was created. At
+the  moment the  batctl contains ping,  traceroute,  tcpdump  and
 interfaces to the kernel module settings.
 
 For more information, please see the manpage (man batctl).
 
-batctl is available on http://www.open-mesh.net/
+batctl is available on http://www.open-mesh.org/
+
 
 CONTACT
 -------
 
 Please send us comments, experiences, questions, anything :)
 
-IRC:             #batman on irc.freenode.org
-Mailing-list:    b.a.t.m.a.n@open-mesh.net
-(subscription at https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n )
+IRC:            #batman   on   irc.freenode.org
+Mailing-list:   b.a.t.m.a.n@open-mesh.net (optional  subscription
+          at https://lists.open-mesh.org/mm/listinfo/b.a.t.m.a.n)
 
 You can also contact the Authors:
 
-Marek Lindner <lindner_marek@yahoo.de>
-Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
+Marek  Lindner  <lindner_marek@yahoo.de>
+Simon  Wunderlich  <siwu@hrz.tu-chemnitz.de>
+

From 7c1e68ba9236ef848a715cbb60b13947b9ae7289 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Thu, 6 May 2010 16:44:08 -0700
Subject: [PATCH 1313/3638] staging: cxt1e1: fix semaphore build breakage

Fix build errors by including linux/semaphore.h:

drivers/staging/cxt1e1/pmcc4_private.h:144: error: field 'sr_sem_busy' has incomplete type
drivers/staging/cxt1e1/pmcc4_private.h:146: error: field 'sr_sem_wait' has incomplete type
drivers/staging/cxt1e1/pmcc4_private.h:189: error: field 'sem_wdbusy' has incomplete type
drivers/staging/cxt1e1/musycc.c:617: error: implicit declaration of function 'down'
drivers/staging/cxt1e1/musycc.c:641: error: implicit declaration of function 'up'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/cxt1e1/pmcc4_private.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/cxt1e1/pmcc4_private.h b/drivers/staging/cxt1e1/pmcc4_private.h
index 0ae18c444a7..b2b6e370263 100644
--- a/drivers/staging/cxt1e1/pmcc4_private.h
+++ b/drivers/staging/cxt1e1/pmcc4_private.h
@@ -20,6 +20,7 @@
 
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <linux/semaphore.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>    /* support for tasklets */
 #include <linux/timer.h>        /* support for timer */

From dd7ad5c8083de5c1820f1da711458582b10e0ed2 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Thu, 6 May 2010 16:45:10 -0700
Subject: [PATCH 1314/3638] staging: ti-st: depends on RFKILL

Fix build errors.  st_kim.c uses rfkill*() interfaces, so it
should depend on RFKILL.

st_kim.c:(.text+0x291b21): undefined reference to `rfkill_unregister'
st_kim.c:(.text+0x291b31): undefined reference to `rfkill_destroy'
st_kim.c:(.text+0x291d8a): undefined reference to `rfkill_alloc'
st_kim.c:(.text+0x291db9): undefined reference to `rfkill_init_sw_state'
st_kim.c:(.text+0x291dc9): undefined reference to `rfkill_register'
st_kim.c:(.text+0x291e07): undefined reference to `rfkill_unregister'
(.text+0x291e85): undefined reference to `rfkill_set_hw_state'
(.text+0x292072): undefined reference to `rfkill_set_hw_state'
(.text+0x2920e1): undefined reference to `rfkill_set_hw_state

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ti-st/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/ti-st/Kconfig b/drivers/staging/ti-st/Kconfig
index 120e8db1368..3ab204ddc29 100644
--- a/drivers/staging/ti-st/Kconfig
+++ b/drivers/staging/ti-st/Kconfig
@@ -5,6 +5,7 @@
 menu "Texas Instruments shared transport line discipline"
 config TI_ST
 	tristate "shared transport core driver"
+	depends on RFKILL
 	select FW_LOADER
 	help
 	  This enables the shared transport core driver for TI

From 1ec28abbf891036df537aa624c9df8245097e8e8 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 6 May 2010 21:44:43 -0700
Subject: [PATCH 1315/3638] Staging: hv: add module description to blkvsc

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/blkvsc_drv.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index a81040f74e9..d068f15603c 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -149,8 +149,9 @@ static int blkvsc_do_flush(struct block_device_context *blkdev);
 static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev);
 static int blkvsc_do_pending_reqs(struct block_device_context *blkdev);
 
-
 static int blkvsc_ringbuffer_size = BLKVSC_RING_BUFFER_SIZE;
+module_param(blkvsc_ringbuffer_size, int, S_IRUGO);
+MODULE_PARM_DESC(ring_size, "Ring buffer size (in bytes)");
 
 /* The one and only one */
 static struct blkvsc_driver_context g_blkvsc_drv;
@@ -1511,6 +1512,6 @@ static void __exit blkvsc_exit(void)
 
 MODULE_LICENSE("GPL");
 MODULE_VERSION(HV_DRV_VERSION);
-module_param(blkvsc_ringbuffer_size, int, S_IRUGO);
+MODULE_DESCRIPTION("Microsoft Hyper-V virtual block driver");
 module_init(blkvsc_init);
 module_exit(blkvsc_exit);

From 48c9f7c30b187a9112a174eb92bb44e1718c99a6 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 6 May 2010 21:44:44 -0700
Subject: [PATCH 1316/3638] Staging: hv: block_operations can be const

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/blkvsc_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index d068f15603c..61bd0be5fb1 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -156,7 +156,7 @@ MODULE_PARM_DESC(ring_size, "Ring buffer size (in bytes)");
 /* The one and only one */
 static struct blkvsc_driver_context g_blkvsc_drv;
 
-static struct block_device_operations block_ops = {
+static const struct block_device_operations block_ops = {
 	.owner = THIS_MODULE,
 	.open = blkvsc_open,
 	.release = blkvsc_release,

From 3afc7cc38c75d645855d680f0fad7d342f8e7fb2 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 6 May 2010 21:44:45 -0700
Subject: [PATCH 1317/3638] Staging: hv: storvsc module descriptions

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/storvsc_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 6a2014639d2..d22e35f598b 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -97,6 +97,8 @@ static int storvsc_get_chs(struct scsi_device *sdev, struct block_device *bdev,
 
 
 static int storvsc_ringbuffer_size = STORVSC_RING_BUFFER_SIZE;
+module_param(storvsc_ringbuffer_size, int, S_IRUGO);
+MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)");
 
 /* The one and only one */
 static struct storvsc_driver_context g_storvsc_drv;
@@ -991,6 +993,6 @@ static void __exit storvsc_exit(void)
 
 MODULE_LICENSE("GPL");
 MODULE_VERSION(HV_DRV_VERSION);
-module_param(storvsc_ringbuffer_size, int, S_IRUGO);
+MODULE_DESCRIPTION("Microsoft Hyper-V virtual storage driver");
 module_init(storvsc_init);
 module_exit(storvsc_exit);

From 0cbd8d9854284d3ff38d04aaa3ae726fb1c4a958 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Thu, 6 May 2010 20:34:29 -0300
Subject: [PATCH 1318/3638] staging: vt6656: code cleanup, removed HANDLE
 definition in ttype.h

Checkpatch warnings about using externs in .c files were not resolved,
neither some long lines on deeply nested code.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/baseband.c |  22 ++-
 drivers/staging/vt6656/baseband.h |  11 +-
 drivers/staging/vt6656/bssdb.c    | 277 ++++++++++++------------------
 drivers/staging/vt6656/bssdb.h    | 176 +++++++------------
 drivers/staging/vt6656/dpc.c      |  14 +-
 drivers/staging/vt6656/int.c      |  14 +-
 drivers/staging/vt6656/ioctl.c    |  31 ++--
 drivers/staging/vt6656/iwctl.c    |  42 +++--
 drivers/staging/vt6656/main_usb.c |  24 +--
 drivers/staging/vt6656/power.c    |  58 ++-----
 drivers/staging/vt6656/power.h    |  39 +----
 drivers/staging/vt6656/rxtx.c     |  15 +-
 drivers/staging/vt6656/ttype.h    |   7 -
 drivers/staging/vt6656/wcmd.c     | 124 ++++++-------
 drivers/staging/vt6656/wcmd.h     |  30 +---
 drivers/staging/vt6656/wmgr.c     | 248 +++++++++++---------------
 drivers/staging/vt6656/wmgr.h     | 109 ++++--------
 drivers/staging/vt6656/wpactl.c   |  18 +-
 18 files changed, 492 insertions(+), 767 deletions(-)

diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c
index d8154f366d5..01680e6b0f5 100644
--- a/drivers/staging/vt6656/baseband.c
+++ b/drivers/staging/vt6656/baseband.c
@@ -1513,7 +1513,9 @@ BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
                 if ( pDevice->byTMax == 0 )
                     return;
 
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_ANTENNA, NULL);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_CHANGE_ANTENNA,
+				 NULL);
 
                 pDevice->byAntennaState = 1;
 
@@ -1543,7 +1545,9 @@ BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
                  ((pDevice->ulSQ3_State1 != 0) && (pDevice->ulSQ3_State0 != 0) && (pDevice->ulSQ3_State0 < pDevice->ulSQ3_State1))
                ) {
 
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_ANTENNA, NULL);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_CHANGE_ANTENNA,
+				 NULL);
 
                 pDevice->TimerSQ3Tmax3.expires =  RUN_AT(pDevice->byTMax3 * HZ);
                 pDevice->TimerSQ3Tmax2.expires =  RUN_AT(pDevice->byTMax2 * HZ);
@@ -1576,17 +1580,14 @@ BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
  *
 -*/
 
-void
-TimerSQ3CallBack (
-      HANDLE      hDeviceContext
-    )
+void TimerSQ3CallBack(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TimerSQ3CallBack...");
     spin_lock_irq(&pDevice->lock);
 
-    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_ANTENNA, NULL);
+    bScheduleCommand((void *) pDevice, WLAN_CMD_CHANGE_ANTENNA, NULL);
     pDevice->byAntennaState = 0;
     s_vClearSQ3Value(pDevice);
     pDevice->TimerSQ3Tmax3.expires =  RUN_AT(pDevice->byTMax3 * HZ);
@@ -1618,10 +1619,7 @@ TimerSQ3CallBack (
  *
 -*/
 
-void
-TimerSQ3Tmax3CallBack (
-      HANDLE      hDeviceContext
-    )
+void TimerSQ3Tmax3CallBack(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
 
@@ -1639,7 +1637,7 @@ TimerSQ3Tmax3CallBack (
         return;
     }
 
-    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_ANTENNA, NULL);
+    bScheduleCommand((void *) pDevice, WLAN_CMD_CHANGE_ANTENNA, NULL);
     pDevice->byAntennaState = 1;
     del_timer(&pDevice->TimerSQ3Tmax3);
     del_timer(&pDevice->TimerSQ3Tmax2);
diff --git a/drivers/staging/vt6656/baseband.h b/drivers/staging/vt6656/baseband.h
index d54d4150dd0..d59992c17ec 100644
--- a/drivers/staging/vt6656/baseband.h
+++ b/drivers/staging/vt6656/baseband.h
@@ -117,15 +117,8 @@ BBvCaculateParameter (
 
 // timer for antenna diversity
 
-void
-TimerSQ3CallBack (
-      HANDLE      hDeviceContext
-    );
-
-void
-TimerSQ3Tmax3CallBack (
-      HANDLE      hDeviceContext
-    );
+void TimerSQ3CallBack(void *hDeviceContext);
+void TimerSQ3Tmax3CallBack(void *hDeviceContext);
 
 void BBvAntennaDiversity(PSDevice pDevice, BYTE byRxRate, BYTE bySQ3);
 void BBvLoopbackOn(PSDevice pDevice);
diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c
index 7cc0d9533f7..8c68e04cf98 100644
--- a/drivers/staging/vt6656/bssdb.c
+++ b/drivers/staging/vt6656/bssdb.c
@@ -91,19 +91,13 @@ const WORD             awHWRetry1[5][5] = {
 
 /*---------------------  Static Functions  --------------------------*/
 
-void s_vCheckSensitivity(
-     HANDLE hDeviceContext
-    );
-
-void s_vCheckPreEDThreshold(
-     HANDLE hDeviceContext
-    );
+void s_vCheckSensitivity(void *hDeviceContext);
+void s_vCheckPreEDThreshold(void *hDeviceContext);
 
 #ifdef Calcu_LinkQual
-void s_uCalculateLinkQual(
-     HANDLE hDeviceContext
-    );
+void s_uCalculateLinkQual(void *hDeviceContext);
 #endif
+
 /*---------------------  Export Variables  --------------------------*/
 
 
@@ -123,13 +117,10 @@ void s_uCalculateLinkQual(
  *
 -*/
 
-PKnownBSS
-BSSpSearchBSSList(
-     HANDLE hDeviceContext,
-     PBYTE pbyDesireBSSID,
-     PBYTE pbyDesireSSID,
-     CARD_PHY_TYPE  ePhyType
-    )
+PKnownBSS BSSpSearchBSSList(void *hDeviceContext,
+			    PBYTE pbyDesireBSSID,
+			    PBYTE pbyDesireSSID,
+			    CARD_PHY_TYPE ePhyType)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -296,11 +287,7 @@ pDevice->bSameBSSMaxNum = jj;
 -*/
 
 
-void
-BSSvClearBSSList(
-     HANDLE hDeviceContext,
-     BOOL bKeepCurrBSSID
-    )
+void BSSvClearBSSList(void *hDeviceContext, BOOL bKeepCurrBSSID)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -342,12 +329,9 @@ BSSvClearBSSList(
  *    TRUE if found.
  *
 -*/
-PKnownBSS
-BSSpAddrIsInBSSList(
-     HANDLE hDeviceContext,
-     PBYTE abyBSSID,
-     PWLAN_IE_SSID pSSID
-    )
+PKnownBSS BSSpAddrIsInBSSList(void *hDeviceContext,
+			      PBYTE abyBSSID,
+			      PWLAN_IE_SSID pSSID)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -383,26 +367,23 @@ BSSpAddrIsInBSSList(
  *
 -*/
 
-BOOL
-BSSbInsertToBSSList (
-     HANDLE hDeviceContext,
-     PBYTE abyBSSIDAddr,
-     QWORD qwTimestamp,
-     WORD wBeaconInterval,
-     WORD wCapInfo,
-     BYTE byCurrChannel,
-     PWLAN_IE_SSID pSSID,
-     PWLAN_IE_SUPP_RATES pSuppRates,
-     PWLAN_IE_SUPP_RATES pExtSuppRates,
-     PERPObject psERP,
-     PWLAN_IE_RSN pRSN,
-     PWLAN_IE_RSN_EXT pRSNWPA,
-     PWLAN_IE_COUNTRY pIE_Country,
-     PWLAN_IE_QUIET pIE_Quiet,
-     UINT uIELength,
-     PBYTE pbyIEs,
-     HANDLE pRxPacketContext
-    )
+BOOL BSSbInsertToBSSList(void *hDeviceContext,
+			 PBYTE abyBSSIDAddr,
+			 QWORD qwTimestamp,
+			 WORD wBeaconInterval,
+			 WORD wCapInfo,
+			 BYTE byCurrChannel,
+			 PWLAN_IE_SSID pSSID,
+			 PWLAN_IE_SUPP_RATES pSuppRates,
+			 PWLAN_IE_SUPP_RATES pExtSuppRates,
+			 PERPObject psERP,
+			 PWLAN_IE_RSN pRSN,
+			 PWLAN_IE_RSN_EXT pRSNWPA,
+			 PWLAN_IE_COUNTRY pIE_Country,
+			 PWLAN_IE_QUIET pIE_Quiet,
+			 UINT uIELength,
+			 PBYTE pbyIEs,
+			 void *pRxPacketContext)
 {
 
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -518,7 +499,9 @@ BSSbInsertToBSSList (
         if ((bIs802_1x == TRUE) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
             ( !memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
 
-            bAdd_PMKID_Candidate((HANDLE)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
+		bAdd_PMKID_Candidate((void *) pDevice,
+				     pBSSList->abyBSSID,
+				     &pBSSList->sRSNCapObj);
 
             if ((pDevice->bLinkPass == TRUE) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
                 if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == TRUE) ||
@@ -602,27 +585,24 @@ BSSbInsertToBSSList (
 -*/
 // TODO: input structure modify
 
-BOOL
-BSSbUpdateToBSSList (
-     HANDLE hDeviceContext,
-     QWORD qwTimestamp,
-     WORD wBeaconInterval,
-     WORD wCapInfo,
-     BYTE byCurrChannel,
-     BOOL bChannelHit,
-     PWLAN_IE_SSID pSSID,
-     PWLAN_IE_SUPP_RATES pSuppRates,
-     PWLAN_IE_SUPP_RATES pExtSuppRates,
-     PERPObject psERP,
-     PWLAN_IE_RSN pRSN,
-     PWLAN_IE_RSN_EXT pRSNWPA,
-     PWLAN_IE_COUNTRY pIE_Country,
-     PWLAN_IE_QUIET pIE_Quiet,
-     PKnownBSS pBSSList,
-     UINT uIELength,
-     PBYTE pbyIEs,
-     HANDLE pRxPacketContext
-    )
+BOOL BSSbUpdateToBSSList(void *hDeviceContext,
+			 QWORD qwTimestamp,
+			 WORD wBeaconInterval,
+			 WORD wCapInfo,
+			 BYTE byCurrChannel,
+			 BOOL bChannelHit,
+			 PWLAN_IE_SSID pSSID,
+			 PWLAN_IE_SUPP_RATES pSuppRates,
+			 PWLAN_IE_SUPP_RATES pExtSuppRates,
+			 PERPObject psERP,
+			 PWLAN_IE_RSN pRSN,
+			 PWLAN_IE_RSN_EXT pRSNWPA,
+			 PWLAN_IE_COUNTRY pIE_Country,
+			 PWLAN_IE_QUIET pIE_Quiet,
+			 PKnownBSS pBSSList,
+			 UINT uIELength,
+			 PBYTE pbyIEs,
+			 void *pRxPacketContext)
 {
     int             ii, jj;
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -768,12 +748,9 @@ BSSbUpdateToBSSList (
  *
 -*/
 
-BOOL
-BSSbIsSTAInNodeDB(
-     HANDLE hDeviceContext,
-     PBYTE abyDstAddr,
-     PUINT puNodeIndex
-    )
+BOOL BSSbIsSTAInNodeDB(void *hDeviceContext,
+		       PBYTE abyDstAddr,
+		       PUINT puNodeIndex)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -804,11 +781,7 @@ BSSbIsSTAInNodeDB(
  *    None
  *
 -*/
-void
-BSSvCreateOneNode(
-     HANDLE hDeviceContext,
-     PUINT puNodeIndex
-    )
+void BSSvCreateOneNode(void *hDeviceContext, PUINT puNodeIndex)
 {
 
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -869,11 +842,8 @@ BSSvCreateOneNode(
  *    None
  *
 -*/
-void
-BSSvRemoveOneNode(
-     HANDLE hDeviceContext,
-     UINT uNodeIndex
-    )
+
+void BSSvRemoveOneNode(void *hDeviceContext, UINT uNodeIndex)
 {
 
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -902,13 +872,10 @@ BSSvRemoveOneNode(
  *
 -*/
 
-void
-BSSvUpdateAPNode(
-     HANDLE hDeviceContext,
-     PWORD pwCapInfo,
-     PWLAN_IE_SUPP_RATES pSuppRates,
-     PWLAN_IE_SUPP_RATES pExtSuppRates
-    )
+void BSSvUpdateAPNode(void *hDeviceContext,
+		      PWORD pwCapInfo,
+		      PWLAN_IE_SUPP_RATES pSuppRates,
+		      PWLAN_IE_SUPP_RATES pExtSuppRates)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -946,10 +913,6 @@ BSSvUpdateAPNode(
 
 };
 
-
-
-
-
 /*+
  *
  * Routine Description:
@@ -961,11 +924,7 @@ BSSvUpdateAPNode(
  *
 -*/
 
-
-void
-BSSvAddMulticastNode(
-     HANDLE hDeviceContext
-    )
+void BSSvAddMulticastNode(void *hDeviceContext)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -991,10 +950,6 @@ BSSvAddMulticastNode(
 
 };
 
-
-
-
-
 /*+
  *
  * Routine Description:
@@ -1008,11 +963,7 @@ BSSvAddMulticastNode(
  *
 -*/
 
-
-void
-BSSvSecondCallBack(
-      HANDLE hDeviceContext
-    )
+void BSSvSecondCallBack(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -1080,7 +1031,7 @@ if((pMgmt->eCurrState!=WMAC_STATE_ASSOC) &&
 #endif
 
 #ifdef Calcu_LinkQual
-   s_uCalculateLinkQual((HANDLE)pDevice);
+   s_uCalculateLinkQual((void *)pDevice);
 #endif
 
     for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
@@ -1226,14 +1177,16 @@ if((pMgmt->eCurrState!=WMAC_STATE_ASSOC) &&
            // DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Callback inactive Count = [%d]\n", pMgmt->sNodeDBTable[0].uInActiveCount);
 
             if (pDevice->bUpdateBBVGA) {
-               // s_vCheckSensitivity((HANDLE) pDevice);
-               s_vCheckPreEDThreshold((HANDLE)pDevice);
+		/* s_vCheckSensitivity((void *) pDevice); */
+		s_vCheckPreEDThreshold((void *) pDevice);
             }
 
     	    if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
     	        (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) ) {
     	        pDevice->byBBVGANew = pDevice->abyBBVGA[0];
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_CHANGE_BBSENSITIVITY,
+				 NULL);
     	    }
 
         	if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
@@ -1281,9 +1234,13 @@ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bRoaming %d, !\n", pDevice->bRoaming );
 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bIsRoaming %d, !\n", pDevice->bIsRoaming );
           if ((pDevice->bRoaming == TRUE)&&(pDevice->bIsRoaming == TRUE)){
 	    	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fast   Roaming ...\n");
-                BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
+		BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_BSSID_SCAN,
+				 pMgmt->abyDesireSSID);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_SSID,
+				 pMgmt->abyDesireSSID);
                 pDevice->uAutoReConnectTime = 0;
                 pDevice->uIsroamingTime = 0;
                 pDevice->bRoaming = FALSE;
@@ -1326,10 +1283,14 @@ else {
 	          pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
 
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
-                BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
-	       pMgmt->eScanType = WMAC_SCAN_ACTIVE;
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
+		BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
+		pMgmt->eScanType = WMAC_SCAN_ACTIVE;
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_BSSID_SCAN,
+				 pMgmt->abyDesireSSID);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_SSID,
+				 pMgmt->abyDesireSSID);
                 pDevice->uAutoReConnectTime = 0;
             }
         }
@@ -1345,17 +1306,17 @@ else {
             else {
                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scaning ...\n");
 	       pMgmt->eScanType = WMAC_SCAN_ACTIVE;
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+		bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+		bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
                 pDevice->uAutoReConnectTime = 0;
             };
         }
         if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
 
-            if (pDevice->bUpdateBBVGA) {
-               //s_vCheckSensitivity((HANDLE) pDevice);
-               s_vCheckPreEDThreshold((HANDLE)pDevice);
-            }
+		if (pDevice->bUpdateBBVGA) {
+			/* s_vCheckSensitivity((void *) pDevice); */
+			s_vCheckPreEDThreshold((void *) pDevice);
+		}
         	if (pMgmt->sNodeDBTable[0].uInActiveCount >=ADHOC_LOST_BEACON_COUNT) {
         	    DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
                 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
@@ -1379,9 +1340,6 @@ else {
     return;
 }
 
-
-
-
 /*+
  *
  * Routine Description:
@@ -1395,15 +1353,10 @@ else {
  *
 -*/
 
-
-
-void
-BSSvUpdateNodeTxCounter(
-     HANDLE      hDeviceContext,
-     PSStatCounter    pStatistic,
-     BYTE             byTSR,
-     BYTE             byPktNO
-    )
+void BSSvUpdateNodeTxCounter(void *hDeviceContext,
+			     PSStatCounter pStatistic,
+			     BYTE byTSR,
+			     BYTE byPktNO)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -1417,8 +1370,6 @@ BSSvUpdateNodeTxCounter(
     BYTE            byPktNum;
     WORD            wFIFOCtl;
 
-
-
     byPktNum = (byPktNO & 0x0F) >> 4;
     byTxRetry = (byTSR & 0xF0) >> 4;
     wRate = (WORD) (byPktNO & 0xF0) >> 4;
@@ -1485,11 +1436,13 @@ BSSvUpdateNodeTxCounter(
             }
         };
 
-        if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
+	if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
             (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
 
-            if (BSSbIsSTAInNodeDB((HANDLE)pDevice, pbyDestAddr, &uNodeIndex)){
-                pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
+		if (BSSbIsSTAInNodeDB((void *) pDevice,
+				      pbyDestAddr,
+				      &uNodeIndex)) {
+			pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
                 if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) {
                     // transmit success, TxAttempts at least plus one
                     pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
@@ -1544,9 +1497,6 @@ BSSvUpdateNodeTxCounter(
 
 }
 
-
-
-
 /*+
  *
  * Routine Description:
@@ -1565,13 +1515,8 @@ BSSvUpdateNodeTxCounter(
  *
 -*/
 
-
-void
-BSSvClearNodeDBTable(
-     HANDLE hDeviceContext,
-     UINT uStartIndex
-    )
-
+void BSSvClearNodeDBTable(void *hDeviceContext,
+			  UINT uStartIndex)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -1594,10 +1539,7 @@ BSSvClearNodeDBTable(
     return;
 };
 
-
-void s_vCheckSensitivity(
-     HANDLE hDeviceContext
-    )
+void s_vCheckSensitivity(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PKnownBSS       pBSSList = NULL;
@@ -1629,7 +1571,9 @@ void s_vCheckSensitivity(
                 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
                     pDevice->uBBVGADiffCount++;
                     if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
-                        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
+			bScheduleCommand((void *) pDevice,
+					 WLAN_CMD_CHANGE_BBSENSITIVITY,
+					 NULL);
                 } else {
                     pDevice->uBBVGADiffCount = 0;
                 }
@@ -1639,9 +1583,7 @@ void s_vCheckSensitivity(
 }
 
 #ifdef Calcu_LinkQual
-void s_uCalculateLinkQual(
-     HANDLE hDeviceContext
-    )
+void s_uCalculateLinkQual(void *hDeviceContext)
 {
    PSDevice        pDevice = (PSDevice)hDeviceContext;
    ULONG TxOkRatio, TxCnt;
@@ -1687,10 +1629,7 @@ else
 }
 #endif
 
-void
-BSSvClearAnyBSSJoinRecord (
-     HANDLE hDeviceContext
-    )
+void BSSvClearAnyBSSJoinRecord(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -1702,9 +1641,7 @@ BSSvClearAnyBSSJoinRecord (
     return;
 }
 
-void s_vCheckPreEDThreshold(
-     HANDLE hDeviceContext
-    )
+void s_vCheckPreEDThreshold(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PKnownBSS       pBSSList = NULL;
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index 48b34b51402..8140b9b37fb 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -226,134 +226,82 @@ typedef struct tagKnownNodeDB {
 
 } KnownNodeDB, *PKnownNodeDB;
 
-
 /*---------------------  Export Functions  --------------------------*/
 
+PKnownBSS BSSpSearchBSSList(void *hDeviceContext,
+			    PBYTE pbyDesireBSSID,
+			    PBYTE pbyDesireSSID,
+			    CARD_PHY_TYPE ePhyType);
 
+PKnownBSS BSSpAddrIsInBSSList(void *hDeviceContext,
+			      PBYTE abyBSSID,
+			      PWLAN_IE_SSID pSSID);
 
-PKnownBSS
-BSSpSearchBSSList(
-     HANDLE hDeviceContext,
-     PBYTE pbyDesireBSSID,
-     PBYTE pbyDesireSSID,
-     CARD_PHY_TYPE ePhyType
-    );
+void BSSvClearBSSList(void *hDeviceContext, BOOL bKeepCurrBSSID);
 
-PKnownBSS
-BSSpAddrIsInBSSList(
-     HANDLE hDeviceContext,
-     PBYTE abyBSSID,
-     PWLAN_IE_SSID pSSID
-    );
+BOOL BSSbInsertToBSSList(void *hDeviceContext,
+			 PBYTE abyBSSIDAddr,
+			 QWORD qwTimestamp,
+			 WORD wBeaconInterval,
+			 WORD wCapInfo,
+			 BYTE byCurrChannel,
+			 PWLAN_IE_SSID pSSID,
+			 PWLAN_IE_SUPP_RATES pSuppRates,
+			 PWLAN_IE_SUPP_RATES pExtSuppRates,
+			 PERPObject psERP,
+			 PWLAN_IE_RSN pRSN,
+			 PWLAN_IE_RSN_EXT pRSNWPA,
+			 PWLAN_IE_COUNTRY pIE_Country,
+			 PWLAN_IE_QUIET pIE_Quiet,
+			 UINT uIELength,
+			 PBYTE pbyIEs,
+			 void *pRxPacketContext);
 
-void
-BSSvClearBSSList(
-     HANDLE hDeviceContext,
-     BOOL bKeepCurrBSSID
-    );
+BOOL BSSbUpdateToBSSList(void *hDeviceContext,
+			 QWORD qwTimestamp,
+			 WORD wBeaconInterval,
+			 WORD wCapInfo,
+			 BYTE byCurrChannel,
+			 BOOL bChannelHit,
+			 PWLAN_IE_SSID pSSID,
+			 PWLAN_IE_SUPP_RATES pSuppRates,
+			 PWLAN_IE_SUPP_RATES pExtSuppRates,
+			 PERPObject psERP,
+			 PWLAN_IE_RSN pRSN,
+			 PWLAN_IE_RSN_EXT pRSNWPA,
+			 PWLAN_IE_COUNTRY pIE_Country,
+			 PWLAN_IE_QUIET pIE_Quiet,
+			 PKnownBSS pBSSList,
+			 UINT uIELength,
+			 PBYTE pbyIEs,
+			 void *pRxPacketContext);
 
-BOOL
-BSSbInsertToBSSList(
-     HANDLE hDeviceContext,
-     PBYTE abyBSSIDAddr,
-     QWORD qwTimestamp,
-     WORD wBeaconInterval,
-     WORD wCapInfo,
-     BYTE byCurrChannel,
-     PWLAN_IE_SSID pSSID,
-     PWLAN_IE_SUPP_RATES pSuppRates,
-     PWLAN_IE_SUPP_RATES pExtSuppRates,
-     PERPObject psERP,
-     PWLAN_IE_RSN pRSN,
-     PWLAN_IE_RSN_EXT pRSNWPA,
-     PWLAN_IE_COUNTRY pIE_Country,
-     PWLAN_IE_QUIET pIE_Quiet,
-     UINT uIELength,
-     PBYTE pbyIEs,
-     HANDLE pRxPacketContext
-    );
+BOOL BSSbIsSTAInNodeDB(void *hDeviceContext,
+		       PBYTE abyDstAddr,
+		       PUINT puNodeIndex);
 
+void BSSvCreateOneNode(void *hDeviceContext, PUINT puNodeIndex);
 
-BOOL
-BSSbUpdateToBSSList(
-     HANDLE hDeviceContext,
-     QWORD qwTimestamp,
-     WORD wBeaconInterval,
-     WORD wCapInfo,
-     BYTE byCurrChannel,
-     BOOL bChannelHit,
-     PWLAN_IE_SSID pSSID,
-     PWLAN_IE_SUPP_RATES pSuppRates,
-     PWLAN_IE_SUPP_RATES pExtSuppRates,
-     PERPObject psERP,
-     PWLAN_IE_RSN pRSN,
-     PWLAN_IE_RSN_EXT pRSNWPA,
-     PWLAN_IE_COUNTRY pIE_Country,
-     PWLAN_IE_QUIET pIE_Quiet,
-     PKnownBSS pBSSList,
-     UINT uIELength,
-     PBYTE pbyIEs,
-     HANDLE pRxPacketContext
-    );
+void BSSvUpdateAPNode(void *hDeviceContext,
+		      PWORD pwCapInfo,
+		      PWLAN_IE_SUPP_RATES pItemRates,
+		      PWLAN_IE_SUPP_RATES pExtSuppRates);
 
+void BSSvSecondCallBack(void *hDeviceContext);
 
-BOOL
-BSSbIsSTAInNodeDB(
-     HANDLE hDeviceContext,
-     PBYTE abyDstAddr,
-     PUINT puNodeIndex
-    );
+void BSSvUpdateNodeTxCounter(void *hDeviceContext,
+			     PSStatCounter pStatistic,
+			     BYTE byTSR,
+			     BYTE byPktNO);
 
-void
-BSSvCreateOneNode(
-     HANDLE hDeviceContext,
-     PUINT puNodeIndex
-    );
+void BSSvRemoveOneNode(void *hDeviceContext,
+		       UINT uNodeIndex);
 
-void
-BSSvUpdateAPNode(
-     HANDLE hDeviceContext,
-     PWORD pwCapInfo,
-     PWLAN_IE_SUPP_RATES pItemRates,
-     PWLAN_IE_SUPP_RATES pExtSuppRates
-    );
+void BSSvAddMulticastNode(void *hDeviceContext);
 
+void BSSvClearNodeDBTable(void *hDeviceContext,
+			  UINT uStartIndex);
 
-void
-BSSvSecondCallBack(
-     HANDLE hDeviceContext
-    );
-
-
-void
-BSSvUpdateNodeTxCounter(
-     HANDLE      hDeviceContext,
-     PSStatCounter    pStatistic,
-     BYTE             byTSR,
-     BYTE             byPktNO
-    );
-
-void
-BSSvRemoveOneNode(
-     HANDLE hDeviceContext,
-     UINT uNodeIndex
-    );
-
-void
-BSSvAddMulticastNode(
-     HANDLE hDeviceContext
-    );
-
-
-void
-BSSvClearNodeDBTable(
-     HANDLE hDeviceContext,
-     UINT uStartIndex
-    );
-
-void
-BSSvClearAnyBSSJoinRecord(
-     HANDLE hDeviceContext
-    );
+void BSSvClearAnyBSSJoinRecord(void *hDeviceContext);
 
 #endif /* __BSSDB_H__ */
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index b18427b3916..6982224dfa9 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -1069,7 +1069,9 @@ static BOOL s_bAPModeRxCtl (
                     // delcare received ps-poll event
                     if (IS_CTL_PSPOLL(pbyFrame)) {
                         pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
-                        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+			bScheduleCommand((void *) pDevice,
+					 WLAN_CMD_RX_PSPOLL,
+					 NULL);
                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
                     }
                     else {
@@ -1078,7 +1080,9 @@ static BOOL s_bAPModeRxCtl (
                         if (!IS_FC_POWERMGT(pbyFrame)) {
                             pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE;
                             pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
-                            bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+				bScheduleCommand((void *) pDevice,
+						 WLAN_CMD_RX_PSPOLL,
+						 NULL);
                             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
                         }
                     }
@@ -1094,7 +1098,9 @@ static BOOL s_bAPModeRxCtl (
                       if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
                           pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE;
                           pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
-                          bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+			bScheduleCommand((void *) pDevice,
+					 WLAN_CMD_RX_PSPOLL,
+					 NULL);
                          DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
 
                       }
@@ -1596,7 +1602,7 @@ void RXvMngWorkItem(void *Context)
         }
         ASSERT(pRCB);// cannot be NULL
         pRxPacket = &(pRCB->sMngPacket);
-        vMgrRxManagePacket((HANDLE)pDevice, &(pDevice->sMgmtObj), pRxPacket);
+	vMgrRxManagePacket((void *) pDevice, &(pDevice->sMgmtObj), pRxPacket);
         pRCB->Ref--;
         if(pRCB->Ref == 0) {
             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"RxvFreeMng %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList);
diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c
index 2ba20893ce7..89f5b18bdf1 100644
--- a/drivers/staging/vt6656/int.c
+++ b/drivers/staging/vt6656/int.c
@@ -160,11 +160,11 @@ INTnsProcessData(PSDevice pDevice)
 						pMgmt->byDTIMPeriod-1;
 					pMgmt->sNodeDBTable[0].bRxPSPoll = TRUE;
 					if (pMgmt->sNodeDBTable[0].bPSEnable)
-						bScheduleCommand((HANDLE)pDevice,
-							WLAN_CMD_RX_PSPOLL,
-							NULL);
+						bScheduleCommand((void *) pDevice,
+								 WLAN_CMD_RX_PSPOLL,
+								 NULL);
 				}
-				bScheduleCommand((HANDLE)pDevice,
+				bScheduleCommand((void *) pDevice,
 						WLAN_CMD_BECON_SEND,
 						NULL);
 			} /* if (pDevice->eOPMode == OP_MODE_AP) */
@@ -174,13 +174,13 @@ INTnsProcessData(PSDevice pDevice)
 		}
 		if (pINTData->byISR0 & ISR_TBTT) {
 			if (pDevice->bEnablePSMode)
-				bScheduleCommand((HANDLE) pDevice,
+				bScheduleCommand((void *) pDevice,
 						WLAN_CMD_TBTT_WAKEUP,
 						NULL);
 			if (pDevice->bChannelSwitch) {
 				pDevice->byChannelSwitchCount--;
 				if (pDevice->byChannelSwitchCount == 0)
-					bScheduleCommand((HANDLE) pDevice,
+					bScheduleCommand((void *) pDevice,
 							WLAN_CMD_11H_CHSW,
 							NULL);
 			}
@@ -207,7 +207,7 @@ INTnsProcessData(PSDevice pDevice)
 
 	if (pINTData->byISR1 != 0)
 		if (pINTData->byISR1 & ISR_GPIO3)
-			bScheduleCommand((HANDLE) pDevice,
+			bScheduleCommand((void *) pDevice,
 					WLAN_CMD_RADIO,
 					NULL);
 	pDevice->intBuf.uDataLen = 0;
diff --git a/drivers/staging/vt6656/ioctl.c b/drivers/staging/vt6656/ioctl.c
index 08d5429db26..69d1d735f71 100644
--- a/drivers/staging/vt6656/ioctl.c
+++ b/drivers/staging/vt6656/ioctl.c
@@ -100,16 +100,21 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
             memcpy(abyScanSSID, pItemSSID, pItemSSID->len + WLAN_IEHDR_LEN);
         }
         spin_lock_irq(&pDevice->lock);
-        if (memcmp(pMgmt->abyCurrBSSID, &abyNullAddr[0], 6) == 0)
-            BSSvClearBSSList((HANDLE)pDevice, FALSE);
-        else
-            BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WLAN_CMD_BSS_SCAN..begin \n");
 
-        if (pItemSSID->len != 0)
-            bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
-        else
-            bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+	if (memcmp(pMgmt->abyCurrBSSID, &abyNullAddr[0], 6) == 0)
+		BSSvClearBSSList((void *) pDevice, FALSE);
+	else
+		BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
+
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WLAN_CMD_BSS_SCAN..begin\n");
+
+	if (pItemSSID->len != 0)
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_BSSID_SCAN,
+				 abyScanSSID);
+	else
+		bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+
         spin_unlock_irq(&pDevice->lock);
         break;
 
@@ -207,8 +212,10 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
         netif_stop_queue(pDevice->dev);
         spin_lock_irq(&pDevice->lock);
         pMgmt->eCurrState = WMAC_STATE_IDLE;
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+	bScheduleCommand((void *) pDevice,
+			 WLAN_CMD_BSSID_SCAN,
+			 pMgmt->abyDesireSSID);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
         spin_unlock_irq(&pDevice->lock);
         break;
 
@@ -576,7 +583,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 
         netif_stop_queue(pDevice->dev);
         spin_lock_irq(&pDevice->lock);
-        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RUN_AP, NULL);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_RUN_AP, NULL);
         spin_unlock_irq(&pDevice->lock);
         break;
 
diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c
index d7ed3b45633..4d0db21b1b9 100644
--- a/drivers/staging/vt6656/iwctl.c
+++ b/drivers/staging/vt6656/iwctl.c
@@ -209,9 +209,9 @@ if(pDevice->byReAssocCount > 0) {   //reject scan when re-associating!
 
 	spin_lock_irq(&pDevice->lock);
 
-   #ifdef update_BssList
-        BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
-   #endif
+#ifdef update_BssList
+	BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
+#endif
 
 //mike add: active scan OR passive scan OR desire_ssid scan
  if(wrq->length == sizeof(struct iw_scan_req)) {
@@ -229,7 +229,7 @@ if(pDevice->byReAssocCount > 0) {   //reject scan when re-associating!
 	  pMgmt->eScanType = WMAC_SCAN_PASSIVE;
          PRINT_K("SIOCSIWSCAN:[desired_ssid=%s,len=%d]\n",((PWLAN_IE_SSID)abyScanSSID)->abySSID,
 		 	                                                                                ((PWLAN_IE_SSID)abyScanSSID)->len);
-	bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
 	spin_unlock_irq(&pDevice->lock);
 
 	return 0;
@@ -244,7 +244,7 @@ if(pDevice->byReAssocCount > 0) {   //reject scan when re-associating!
 
 	 pMgmt->eScanType = WMAC_SCAN_PASSIVE;
          //printk("SIOCSIWSCAN:WLAN_CMD_BSSID_SCAN\n");
-	bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
 	spin_unlock_irq(&pDevice->lock);
 
 	return 0;
@@ -944,10 +944,14 @@ int iwctl_siwessid(struct net_device *dev,
 
             if (pCurr == NULL){
                PRINT_K("SIOCSIWESSID:hidden ssid site survey before associate.......\n");
-	      vResetCommandTimer((HANDLE) pDevice);
+	      vResetCommandTimer((void *) pDevice);
 	      pMgmt->eScanType = WMAC_SCAN_ACTIVE;
-               bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-	      bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
+	      bScheduleCommand((void *) pDevice,
+			       WLAN_CMD_BSSID_SCAN,
+			       pMgmt->abyDesireSSID);
+	      bScheduleCommand((void *) pDevice,
+			       WLAN_CMD_SSID,
+			       pMgmt->abyDesireSSID);
           }
 	 else {  //mike:to find out if that desired SSID is a hidden-ssid AP ,
                      //         by means of judging if there are two same BSSID exist in list ?
@@ -959,10 +963,14 @@ int iwctl_siwessid(struct net_device *dev,
                   }
 	     if(uSameBssidNum >= 2) {  //hit: desired AP is in hidden ssid mode!!!
                  PRINT_K("SIOCSIWESSID:hidden ssid directly associate.......\n");
-	        vResetCommandTimer((HANDLE) pDevice);
+		 vResetCommandTimer((void *) pDevice);
 	        pMgmt->eScanType = WMAC_SCAN_PASSIVE;          //this scan type,you'll submit scan result!
-	        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-	        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_BSSID_SCAN,
+				 pMgmt->abyDesireSSID);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_SSID,
+				 pMgmt->abyDesireSSID);
 	     }
 	 }
         }
@@ -1554,11 +1562,11 @@ int iwctl_siwpower(struct net_device *dev,
 	}
 	if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
          pDevice->ePSMode = WMAC_POWER_FAST;
-         PSvEnablePowerSaving((HANDLE)pDevice, pMgmt->wListenInterval);
+	 PSvEnablePowerSaving((void *) pDevice, pMgmt->wListenInterval);
 
 	} else if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
 	     pDevice->ePSMode = WMAC_POWER_FAST;
-         PSvEnablePowerSaving((HANDLE)pDevice, pMgmt->wListenInterval);
+	     PSvEnablePowerSaving((void *) pDevice, pMgmt->wListenInterval);
 	}
 	switch (wrq->flags & IW_POWER_MODE) {
 	case IW_POWER_UNICAST_R:
@@ -2007,12 +2015,16 @@ int iwctl_siwmlme(struct net_device *dev,
 	case IW_MLME_DEAUTH:
 		//this command seems to be not complete,please test it --einsnliu
 		//printk("iwctl_siwmlme--->send DEAUTH\n");
-		//bScheduleCommand((HANDLE) pDevice, WLAN_CMD_DEAUTH, (PBYTE)&reason);
+		/* bScheduleCommand((void *) pDevice,
+		   WLAN_CMD_DEAUTH,
+		   (PBYTE)&reason); */
 		//break;
 	case IW_MLME_DISASSOC:
 		if(pDevice->bLinkPass == TRUE){
 		  PRINT_K("iwctl_siwmlme--->send DISASSOCIATE\n");
-		  bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
+		  bScheduleCommand((void *) pDevice,
+				   WLAN_CMD_DISASSOCIATE,
+				   NULL);
 		}
 		break;
 	default:
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 2fcaf70aa46..f1d81b1656c 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -1158,12 +1158,12 @@ static int  device_open(struct net_device *dev) {
     }
 
     if (pDevice->sMgmtObj.eConfigMode == WMAC_CONFIG_AP) {
-        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RUN_AP, NULL);
+		bScheduleCommand((void *) pDevice, WLAN_CMD_RUN_AP, NULL);
 	}
 	else {
 	//mike:mark@2008-11-10
-            bScheduleCommand((HANDLE)pDevice, WLAN_CMD_BSSID_SCAN, NULL);
-        //bScheduleCommand((HANDLE)pDevice, WLAN_CMD_SSID, NULL);
+	  bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+	  /* bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL); */
     }
 
 
@@ -1220,7 +1220,7 @@ static int  device_close(struct net_device *dev) {
 
 //2007-1121-02<Add>by EinsnLiu
     if (pDevice->bLinkPass) {
-	bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL);
         mdelay(30);
     }
 //End Add
@@ -2101,16 +2101,16 @@ static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) {
        if (pMgmt->eConfigMode == WMAC_CONFIG_AP) {
            netif_stop_queue(pDevice->dev);
            spin_lock_irq(&pDevice->lock);
-           bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RUN_AP, NULL);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_RUN_AP, NULL);
            spin_unlock_irq(&pDevice->lock);
        }
        else {
            DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Commit the settings\n");
            spin_lock_irq(&pDevice->lock);
 //2007-1121-01<Modify>by EinsnLiu
-	    if (pDevice->bLinkPass&&
+	    if (pDevice->bLinkPass &&
 		  memcmp(pMgmt->abyCurrSSID,pMgmt->abyDesireSSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN)) {
-      		  bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
+		bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL);
 	     } else {
            pDevice->bLinkPass = FALSE;
 	   pMgmt->eCurrState = WMAC_STATE_IDLE;
@@ -2121,10 +2121,14 @@ static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) {
            netif_stop_queue(pDevice->dev);
 #ifdef  WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
            pMgmt->eScanType = WMAC_SCAN_ACTIVE;
-           if(pDevice->bWPASuppWextEnabled !=TRUE)
+	   if (!pDevice->bWPASuppWextEnabled)
 #endif
-           bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-           bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_BSSID_SCAN,
+				 pMgmt->abyDesireSSID);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_SSID,
+				 NULL);
            spin_unlock_irq(&pDevice->lock);
       }
       pDevice->bCommit = FALSE;
diff --git a/drivers/staging/vt6656/power.c b/drivers/staging/vt6656/power.c
index 05d51fbb00b..766c5be6fd2 100644
--- a/drivers/staging/vt6656/power.c
+++ b/drivers/staging/vt6656/power.c
@@ -50,19 +50,14 @@
 
 /*---------------------  Static Definitions -------------------------*/
 
-
-
-
 /*---------------------  Static Classes  ----------------------------*/
 
 /*---------------------  Static Variables  --------------------------*/
 static int          msglevel                =MSG_LEVEL_INFO;
 /*---------------------  Static Functions  --------------------------*/
 
-
 /*---------------------  Export Variables  --------------------------*/
 
-
 /*---------------------  Export Functions  --------------------------*/
 
 /*+
@@ -75,12 +70,8 @@ static int          msglevel                =MSG_LEVEL_INFO;
  *
 -*/
 
-
-void
-PSvEnablePowerSaving(
-     HANDLE hDeviceContext,
-     WORD wListenInterval
-    )
+void PSvEnablePowerSaving(void *hDeviceContext,
+			  WORD wListenInterval)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -128,7 +119,7 @@ PSvEnablePowerSaving(
     pDevice->bEnablePSMode = TRUE;
 
     if (pDevice->eOPMode == OP_MODE_ADHOC) {
-//        bMgrPrepareBeaconToSend((HANDLE)pDevice, pMgmt);
+	/* bMgrPrepareBeaconToSend((void *) pDevice, pMgmt); */
     }
     // We don't send null pkt in ad hoc mode since beacon will handle this.
     else if (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) {
@@ -139,11 +130,6 @@ PSvEnablePowerSaving(
     return;
 }
 
-
-
-
-
-
 /*+
  *
  * Routine Description:
@@ -154,10 +140,7 @@ PSvEnablePowerSaving(
  *
 -*/
 
-void
-PSvDisablePowerSaving(
-     HANDLE hDeviceContext
-    )
+void PSvDisablePowerSaving(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
 //    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -187,7 +170,6 @@ PSvDisablePowerSaving(
     return;
 }
 
-
 /*+
  *
  * Routine Description:
@@ -198,13 +180,9 @@ PSvDisablePowerSaving(
  *    FALSE, if fail
 -*/
 
-
-BOOL
-PSbConsiderPowerDown(
-     HANDLE hDeviceContext,
-     BOOL bCheckRxDMA,
-     BOOL bCheckCountToWakeUp
-    )
+BOOL PSbConsiderPowerDown(void *hDeviceContext,
+			  BOOL bCheckRxDMA,
+			  BOOL bCheckCountToWakeUp)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -248,8 +226,6 @@ PSbConsiderPowerDown(
     return TRUE;
 }
 
-
-
 /*+
  *
  * Routine Description:
@@ -260,12 +236,7 @@ PSbConsiderPowerDown(
  *
 -*/
 
-
-
-void
-PSvSendPSPOLL(
-     HANDLE hDeviceContext
-    )
+void PSvSendPSPOLL(void *hDeviceContext)
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
@@ -297,8 +268,6 @@ PSvSendPSPOLL(
     return;
 }
 
-
-
 /*+
  *
  * Routine Description:
@@ -308,10 +277,8 @@ PSvSendPSPOLL(
  *    None.
  *
 -*/
-BOOL
-PSbSendNullPacket(
-     HANDLE hDeviceContext
-    )
+
+BOOL PSbSendNullPacket(void *hDeviceContext)
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -388,10 +355,7 @@ PSbSendNullPacket(
  *
 -*/
 
-BOOL
-PSbIsNextTBTTWakeUp(
-     HANDLE hDeviceContext
-    )
+BOOL PSbIsNextTBTTWakeUp(void *hDeviceContext)
 {
 
     PSDevice         pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6656/power.h b/drivers/staging/vt6656/power.h
index c34e3899d95..50792bb8c97 100644
--- a/drivers/staging/vt6656/power.h
+++ b/drivers/staging/vt6656/power.h
@@ -48,37 +48,14 @@
 /*  PSDevice pDevice */
 /*  PSDevice hDeviceContext */
 
-BOOL
-PSbConsiderPowerDown(
-     HANDLE hDeviceContext,
-     BOOL bCheckRxDMA,
-     BOOL bCheckCountToWakeUp
-    );
+BOOL PSbConsiderPowerDown(void *hDeviceContext,
+			  BOOL bCheckRxDMA,
+			  BOOL bCheckCountToWakeUp);
 
-void
-PSvDisablePowerSaving(
-     HANDLE hDeviceContext
-    );
-
-void
-PSvEnablePowerSaving(
-     HANDLE hDeviceContext,
-     WORD wListenInterval
-    );
-
-void
-PSvSendPSPOLL(
-     HANDLE hDeviceContext
-    );
-
-BOOL
-PSbSendNullPacket(
-     HANDLE hDeviceContext
-    );
-
-BOOL
-PSbIsNextTBTTWakeUp(
-     HANDLE hDeviceContext
-    );
+void PSvDisablePowerSaving(void *hDeviceContext);
+void PSvEnablePowerSaving(void *hDeviceContext, WORD wListenInterval);
+void PSvSendPSPOLL(void *hDeviceContext);
+BOOL PSbSendNullPacket(void *hDeviceContext);
+BOOL PSbIsNextTBTTWakeUp(void *hDeviceContext);
 
 #endif /* __POWER_H__ */
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index b9f67882199..bfc786059ad 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -3032,10 +3032,12 @@ nsDMA_tx_packet(
         }
     }
 
-    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dma_tx: pDevice->wCurrentRate = %d \n", pDevice->wCurrentRate);
+    DBG_PRT(MSG_LEVEL_DEBUG,
+	    KERN_INFO "dma_tx: pDevice->wCurrentRate = %d\n",
+	    pDevice->wCurrentRate);
 
     if (wKeepRate != pDevice->wCurrentRate) {
-        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_SETPOWER, NULL);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL);
     }
 
     if (pDevice->wCurrentRate <= RATE_11M) {
@@ -3118,7 +3120,9 @@ nsDMA_tx_packet(
 
     if ( pDevice->bEnablePSMode == TRUE ) {
         if ( !pDevice->bPSModeTxBurst ) {
-            bScheduleCommand((HANDLE) pDevice, WLAN_CMD_MAC_DISPOWERSAVING, NULL);
+		bScheduleCommand((void *) pDevice,
+				 WLAN_CMD_MAC_DISPOWERSAVING,
+				 NULL);
             pDevice->bPSModeTxBurst = TRUE;
         }
     }
@@ -3138,7 +3142,7 @@ nsDMA_tx_packet(
     if (bNeedDeAuth == TRUE) {
         WORD wReason = WLAN_MGMT_REASON_MIC_FAILURE;
 
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_DEAUTH, (PBYTE)&wReason);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (PBYTE) &wReason);
     }
 
   if(status!=STATUS_PENDING) {
@@ -3258,9 +3262,8 @@ bRelayPacketSend (
         pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate;
     }
 
-
     if (wKeepRate != pDevice->wCurrentRate) {
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SETPOWER, NULL);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL);
     }
 
     if (pDevice->wCurrentRate <= RATE_11M)
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 692b63e4dab..13e8bbb6711 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -133,11 +133,4 @@ typedef DWORD *          PDWORD;
 
 typedef QWORD *          PQWORD;
 
-// handle declaration
-#ifdef STRICT
-typedef void *HANDLE;
-#else
-typedef void *HANDLE;
-#endif
-
 #endif /* __TTYPE_H__ */
diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
index 23db5f63c78..6fec9094ccd 100644
--- a/drivers/staging/vt6656/wcmd.c
+++ b/drivers/staging/vt6656/wcmd.c
@@ -94,18 +94,12 @@ s_bCommandComplete (
     );
 
 
-static
-BOOL s_bClearBSSID_SCAN (
-     HANDLE hDeviceContext
-    );
+static BOOL s_bClearBSSID_SCAN(void *hDeviceContext);
 
 /*---------------------  Export Variables  --------------------------*/
 
-
 /*---------------------  Export Functions  --------------------------*/
 
-
-
 /*
  * Description:
  *      Stop AdHoc beacon during scan process
@@ -119,6 +113,7 @@ BOOL s_bClearBSSID_SCAN (
  * Return Value: none
  *
  */
+
 static
 void
 vAdHocBeaconStop(PSDevice  pDevice)
@@ -321,15 +316,7 @@ s_MgrMakeProbeRequest(
     return pTxPacket;
 }
 
-
-
-
-
-void
-vCommandTimerWait(
-     HANDLE    hDeviceContext,
-     UINT MSecond
-    )
+void vCommandTimerWait(void *hDeviceContext, UINT MSecond)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
 
@@ -342,13 +329,7 @@ vCommandTimerWait(
     return;
 }
 
-
-
-
-void
-vRunCommand(
-      HANDLE      hDeviceContext
-    )
+void vRunCommand(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -435,7 +416,8 @@ vRunCommand(
                     pMgmt->abyScanBSSID[5] = 0xFF;
                     pItemSSID->byElementID = WLAN_EID_SSID;
                     // clear bssid list
-                    // BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
+		    /* BSSvClearBSSList((void *) pDevice,
+		       pDevice->bLinkPass); */
                     pMgmt->eScanState = WMAC_IS_SCANNING;
                     pDevice->byScanBBType = pDevice->byBBType;  //lucas
                     pDevice->bStopDataPkt = TRUE;
@@ -480,11 +462,11 @@ vRunCommand(
                     (pMgmt->uScanChannel < CB_MAX_CHANNEL_24G)) {
                     s_vProbeChannel(pDevice);
                     spin_unlock_irq(&pDevice->lock);
-		     vCommandTimerWait((HANDLE)pDevice, 100);
+		     vCommandTimerWait((void *) pDevice, 100);
                     return;
                 } else {
                     spin_unlock_irq(&pDevice->lock);
-                    vCommandTimerWait((HANDLE)pDevice, WCMD_PASSIVE_SCAN_TIME);
+		    vCommandTimerWait((void *) pDevice, WCMD_PASSIVE_SCAN_TIME);
                     return;
                 }
 
@@ -552,7 +534,11 @@ vRunCommand(
 
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Send Disassociation Packet..\n");
                 // reason = 8 : disassoc because sta has left
-                vMgrDisassocBeginSta((HANDLE)pDevice, pMgmt, pMgmt->abyCurrBSSID, (8), &Status);
+		vMgrDisassocBeginSta((void *) pDevice,
+				     pMgmt,
+				     pMgmt->abyCurrBSSID,
+				     (8),
+				     &Status);
                 pDevice->bLinkPass = FALSE;
                 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
                 // unlock command busy
@@ -614,22 +600,26 @@ vRunCommand(
             // set initial state
             pMgmt->eCurrState = WMAC_STATE_IDLE;
             pMgmt->eCurrMode = WMAC_MODE_STANDBY;
-            PSvDisablePowerSaving((HANDLE)pDevice);
+	    PSvDisablePowerSaving((void *) pDevice);
             BSSvClearNodeDBTable(pDevice, 0);
-            vMgrJoinBSSBegin((HANDLE)pDevice, &Status);
+	    vMgrJoinBSSBegin((void *) pDevice, &Status);
             // if Infra mode
             if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED)) {
                 // Call mgr to begin the deauthentication
                 // reason = (3) beacuse sta has left ESS
-                if (pMgmt->eCurrState>= WMAC_STATE_AUTH) {
-                    vMgrDeAuthenBeginSta((HANDLE)pDevice, pMgmt, pMgmt->abyCurrBSSID, (3), &Status);
-                }
+	      if (pMgmt->eCurrState >= WMAC_STATE_AUTH) {
+		vMgrDeAuthenBeginSta((void *)pDevice,
+				     pMgmt,
+				     pMgmt->abyCurrBSSID,
+				     (3),
+				     &Status);
+	      }
                 // Call mgr to begin the authentication
-                vMgrAuthenBeginSta((HANDLE)pDevice, pMgmt, &Status);
+		vMgrAuthenBeginSta((void *) pDevice, pMgmt, &Status);
                 if (Status == CMD_STATUS_SUCCESS) {
 		   pDevice->byLinkWaitCount = 0;
                     pDevice->eCommandState = WLAN_AUTHENTICATE_WAIT;
-                    vCommandTimerWait((HANDLE)pDevice, AUTHENTICATE_TIMEOUT);
+		    vCommandTimerWait((void *) pDevice, AUTHENTICATE_TIMEOUT);
                     spin_unlock_irq(&pDevice->lock);
                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" Set eCommandState = WLAN_AUTHENTICATE_WAIT\n");
                     return;
@@ -648,10 +638,12 @@ vRunCommand(
                 }
                 else {
                     // start own IBSS
-                    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CreateOwn IBSS by CurrMode = IBSS_STA \n");
-                    vMgrCreateOwnIBSS((HANDLE)pDevice, &Status);
+		    DBG_PRT(MSG_LEVEL_DEBUG,
+			    KERN_INFO "CreateOwn IBSS by CurrMode = IBSS_STA\n");
+		    vMgrCreateOwnIBSS((void *) pDevice, &Status);
                     if (Status != CMD_STATUS_SUCCESS){
-                        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " WLAN_CMD_IBSS_CREATE fail ! \n");
+			DBG_PRT(MSG_LEVEL_DEBUG,
+				KERN_INFO "WLAN_CMD_IBSS_CREATE fail!\n");
                     };
                     BSSvAddMulticastNode(pDevice);
                 }
@@ -662,10 +654,12 @@ vRunCommand(
                 if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA ||
                     pMgmt->eConfigMode == WMAC_CONFIG_AUTO) {
                     // start own IBSS
-                    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CreateOwn IBSS by CurrMode = STANDBY \n");
-                    vMgrCreateOwnIBSS((HANDLE)pDevice, &Status);
+			DBG_PRT(MSG_LEVEL_DEBUG,
+				KERN_INFO "CreateOwn IBSS by CurrMode = STANDBY\n");
+		    vMgrCreateOwnIBSS((void *) pDevice, &Status);
                     if (Status != CMD_STATUS_SUCCESS){
-                        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" WLAN_CMD_IBSS_CREATE fail ! \n");
+			DBG_PRT(MSG_LEVEL_DEBUG,
+				KERN_INFO "WLAN_CMD_IBSS_CREATE fail!\n");
                     };
                     BSSvAddMulticastNode(pDevice);
                     s_bClearBSSID_SCAN(pDevice);
@@ -701,12 +695,12 @@ vRunCommand(
 		pDevice->byLinkWaitCount = 0;
                 // Call mgr to begin the association
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"eCurrState == WMAC_STATE_AUTH\n");
-                vMgrAssocBeginSta((HANDLE)pDevice, pMgmt, &Status);
+		vMgrAssocBeginSta((void *) pDevice, pMgmt, &Status);
                 if (Status == CMD_STATUS_SUCCESS) {
                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"eCommandState = WLAN_ASSOCIATE_WAIT\n");
 		  pDevice->byLinkWaitCount = 0;
                     pDevice->eCommandState = WLAN_ASSOCIATE_WAIT;
-                    vCommandTimerWait((HANDLE)pDevice, ASSOCIATE_TIMEOUT);
+		    vCommandTimerWait((void *) pDevice, ASSOCIATE_TIMEOUT);
                     spin_unlock_irq(&pDevice->lock);
                     return;
                 }
@@ -718,7 +712,7 @@ vRunCommand(
                 pDevice->byLinkWaitCount ++;
 	       printk("WLAN_AUTHENTICATE_WAIT:wait %d times!!\n",pDevice->byLinkWaitCount);
 	       spin_unlock_irq(&pDevice->lock);
-	       vCommandTimerWait((HANDLE)pDevice, AUTHENTICATE_TIMEOUT/2);
+	       vCommandTimerWait((void *) pDevice, AUTHENTICATE_TIMEOUT/2);
 	       return;
 	   }
 	          pDevice->byLinkWaitCount = 0;
@@ -742,7 +736,8 @@ vRunCommand(
             if (pMgmt->eCurrState == WMAC_STATE_ASSOC) {
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"eCurrState == WMAC_STATE_ASSOC\n");
                 if (pDevice->ePSMode != WMAC_POWER_CAM) {
-                    PSvEnablePowerSaving((HANDLE)pDevice, pMgmt->wListenInterval);
+			PSvEnablePowerSaving((void *) pDevice,
+					     pMgmt->wListenInterval);
                 }
 /*
                 if (pMgmt->eAuthenMode >= WMAC_AUTH_WPA) {
@@ -786,7 +781,7 @@ vRunCommand(
                 pDevice->byLinkWaitCount ++;
 	       printk("WLAN_ASSOCIATE_WAIT:wait %d times!!\n",pDevice->byLinkWaitCount);
 	       spin_unlock_irq(&pDevice->lock);
-	       vCommandTimerWait((HANDLE)pDevice, ASSOCIATE_TIMEOUT/2);
+	       vCommandTimerWait((void *) pDevice, ASSOCIATE_TIMEOUT/2);
 	       return;
 	   }
 	          pDevice->byLinkWaitCount = 0;
@@ -823,9 +818,10 @@ vRunCommand(
                 pMgmt->eCurrState = WMAC_STATE_IDLE;
                 pDevice->bFixRate = FALSE;
 
-                vMgrCreateOwnIBSS((HANDLE)pDevice, &Status);
-                if (Status != CMD_STATUS_SUCCESS){
-                    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " vMgrCreateOwnIBSS fail ! \n");
+		vMgrCreateOwnIBSS((void *) pDevice, &Status);
+		if (Status != CMD_STATUS_SUCCESS) {
+			DBG_PRT(MSG_LEVEL_DEBUG,
+				KERN_INFO "vMgrCreateOwnIBSS fail!\n");
                 };
                 // alway turn off unicast bit
                 MACvRegBitsOff(pDevice, MAC_REG_RCR, RCR_UNICAST);
@@ -948,7 +944,11 @@ vRunCommand(
 
 	  if (pDevice->bLinkPass == TRUE) {
                 // reason = 8 : disassoc because sta has left
-                       vMgrDisassocBeginSta((HANDLE)pDevice, pMgmt, pMgmt->abyCurrBSSID, (8), &Status);
+		vMgrDisassocBeginSta((void *) pDevice,
+				     pMgmt,
+				     pMgmt->abyCurrBSSID,
+				     (8),
+				     &Status);
                        pDevice->bLinkPass = FALSE;
                 // unlock command busy
                         pMgmt->eCurrState = WMAC_STATE_IDLE;
@@ -1185,18 +1185,15 @@ s_bCommandComplete (
                 break;
 
         }
-
-        vCommandTimerWait((HANDLE)pDevice, 0);
+	vCommandTimerWait((void *) pDevice, 0);
     }
 
     return TRUE;
 }
 
-BOOL bScheduleCommand (
-     HANDLE hDeviceContext,
-     CMD_CODE    eCommand,
-     PBYTE       pbyItem0
-    )
+BOOL bScheduleCommand(void *hDeviceContext,
+		      CMD_CODE eCommand,
+		      PBYTE pbyItem0)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
 
@@ -1264,10 +1261,7 @@ BOOL bScheduleCommand (
  * Return Value: TRUE if success; otherwise FALSE
  *
  */
-static
-BOOL s_bClearBSSID_SCAN (
-     HANDLE hDeviceContext
-    )
+static BOOL s_bClearBSSID_SCAN(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     UINT            uCmdDequeueIdx = pDevice->uCmdDequeueIdx;
@@ -1287,10 +1281,7 @@ BOOL s_bClearBSSID_SCAN (
 
 
 //mike add:reset command timer
-void
-vResetCommandTimer(
-     HANDLE      hDeviceContext
-    )
+void vResetCommandTimer(void *hDeviceContext)
 {
   PSDevice        pDevice = (PSDevice)hDeviceContext;
 
@@ -1311,10 +1302,7 @@ vResetCommandTimer(
 
 //2007-0115-08<Add>by MikeLiu
 #ifdef TxInSleep
-void
-BSSvSecondTxData(
-      HANDLE      hDeviceContext
-    )
+void BSSvSecondTxData(void *hDeviceContext)
 {
   PSDevice        pDevice = (PSDevice)hDeviceContext;
   PSMgmtObject  pMgmt = &(pDevice->sMgmtObj);
diff --git a/drivers/staging/vt6656/wcmd.h b/drivers/staging/vt6656/wcmd.h
index a14e56470ea..09c4411c689 100644
--- a/drivers/staging/vt6656/wcmd.h
+++ b/drivers/staging/vt6656/wcmd.h
@@ -105,33 +105,22 @@ typedef enum tagCMD_STATE {
     WLAN_CMD_IDLE
 } CMD_STATE, *PCMD_STATE;
 
-
-
 /*---------------------  Export Classes  ----------------------------*/
 
 /*---------------------  Export Variables  --------------------------*/
 
-
 /*---------------------  Export Types  ------------------------------*/
 
-
 /*---------------------  Export Functions  --------------------------*/
-void
-vResetCommandTimer(
-     HANDLE      hDeviceContext
-    );
 
-BOOL
-bScheduleCommand(
-     HANDLE      hDeviceContext,
-     CMD_CODE    eCommand,
-     PBYTE       pbyItem0
-    );
+void vResetCommandTimer(void *hDeviceContext);
+
+BOOL bScheduleCommand(void *hDeviceContext,
+		      CMD_CODE eCommand,
+		      PBYTE pbyItem0);
+
+void vRunCommand(void *hDeviceContext);
 
-void
-vRunCommand(
-      HANDLE      hDeviceContext
-    );
 /*
 void
 WCMDvCommandThread(
@@ -141,10 +130,7 @@ WCMDvCommandThread(
 
 //2007-0115-09<Add>by MikeLiu
 #ifdef TxInSleep
-void
-BSSvSecondTxData(
-      HANDLE      hDeviceContext
-    );
+void BSSvSecondTxData(void *hDeviceContext);
 #endif
 
 #endif /* __WCMD_H__ */
diff --git a/drivers/staging/vt6656/wmgr.c b/drivers/staging/vt6656/wmgr.c
index 5af98e9a8f0..aaba5221170 100644
--- a/drivers/staging/vt6656/wmgr.c
+++ b/drivers/staging/vt6656/wmgr.c
@@ -329,14 +329,10 @@ s_bCipherMatch (
      PKnownBSS pCurr
  );
 
-
-
 /*---------------------  Export Variables  --------------------------*/
 
-
 /*---------------------  Export Functions  --------------------------*/
 
-
 /*+
  *
  * Routine Description:
@@ -347,10 +343,7 @@ s_bCipherMatch (
  *
 -*/
 
-void
-vMgrObjectInit(
-      HANDLE hDeviceContext
-    )
+void vMgrObjectInit(void *hDeviceContext)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
@@ -368,7 +361,7 @@ vMgrObjectInit(
     pMgmt->byCSSPK = KEY_CTL_NONE;
     pMgmt->byCSSGK = KEY_CTL_NONE;
     pMgmt->wIBSSBeaconPeriod = DEFAULT_IBSS_BI;
-    BSSvClearBSSList((HANDLE)pDevice, FALSE);
+    BSSvClearBSSList((void *) pDevice, FALSE);
 
     init_timer(&pMgmt->sTimerSecondCallback);
     pMgmt->sTimerSecondCallback.data = (ULONG)pDevice;
@@ -401,8 +394,6 @@ vMgrObjectInit(
     return;
 }
 
-
-
 /*+
  *
  * Routine Description:
@@ -414,13 +405,9 @@ vMgrObjectInit(
  *
 -*/
 
-
-void
-vMgrAssocBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt,
-     PCMD_STATUS pStatus
-    )
+void vMgrAssocBeginSta(void *hDeviceContext,
+		       PSMgmtObject pMgmt,
+		       PCMD_STATUS pStatus)
 {
     PSDevice             pDevice = (PSDevice)hDeviceContext;
     PSTxMgmtPacket          pTxPacket;
@@ -491,12 +478,9 @@ vMgrAssocBeginSta(
  *
 -*/
 
-void
-vMgrReAssocBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt,
-     PCMD_STATUS pStatus
-    )
+void vMgrReAssocBeginSta(void *hDeviceContext,
+			 PSMgmtObject pMgmt,
+			 PCMD_STATUS pStatus)
 {
     PSDevice             pDevice = (PSDevice)hDeviceContext;
     PSTxMgmtPacket          pTxPacket;
@@ -570,14 +554,11 @@ vMgrReAssocBeginSta(
  *
 -*/
 
-void
-vMgrDisassocBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt,
-      PBYTE  abyDestAddress,
-      WORD    wReason,
-     PCMD_STATUS pStatus
-    )
+void vMgrDisassocBeginSta(void *hDeviceContext,
+			  PSMgmtObject pMgmt,
+			  PBYTE  abyDestAddress,
+			  WORD    wReason,
+			  PCMD_STATUS pStatus)
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -987,7 +968,10 @@ s_vMgrRxAssocResponse(
             };
             DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Association Successful, AID=%d.\n", pMgmt->wCurrAID & ~(BIT14|BIT15));
             pMgmt->eCurrState = WMAC_STATE_ASSOC;
-            BSSvUpdateAPNode((HANDLE)pDevice, sFrame.pwCapInfo, sFrame.pSuppRates, sFrame.pExtSuppRates);
+	    BSSvUpdateAPNode((void *) pDevice,
+			     sFrame.pwCapInfo,
+			     sFrame.pSuppRates,
+			     sFrame.pExtSuppRates);
             pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
             DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Link with AP(SSID): %s\n", pItemSSID->abySSID);
             pDevice->bLinkPass = TRUE;
@@ -1089,8 +1073,6 @@ if(pMgmt->eCurrState == WMAC_STATE_ASSOC)
     return;
 }
 
-
-
 /*+
  *
  * Routine Description:
@@ -1102,12 +1084,9 @@ if(pMgmt->eCurrState == WMAC_STATE_ASSOC)
  *
 -*/
 
-void
-vMgrAuthenBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject  pMgmt,
-     PCMD_STATUS pStatus
-    )
+void vMgrAuthenBeginSta(void *hDeviceContext,
+			PSMgmtObject  pMgmt,
+			PCMD_STATUS pStatus)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     WLAN_FR_AUTHEN  sFrame;
@@ -1147,8 +1126,6 @@ vMgrAuthenBeginSta(
     return ;
 }
 
-
-
 /*+
  *
  * Routine Description:
@@ -1160,14 +1137,11 @@ vMgrAuthenBeginSta(
  *
 -*/
 
-void
-vMgrDeAuthenBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject  pMgmt,
-      PBYTE  abyDestAddress,
-      WORD    wReason,
-     PCMD_STATUS pStatus
-    )
+void vMgrDeAuthenBeginSta(void *hDeviceContext,
+			  PSMgmtObject pMgmt,
+			  PBYTE abyDestAddress,
+			  WORD wReason,
+			  PCMD_STATUS pStatus)
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
     WLAN_FR_DEAUTHEN    sFrame;
@@ -1405,12 +1379,11 @@ s_vMgrRxAuthenSequence_2(
                 s_vMgrLogStatus(pMgmt, cpu_to_le16((*(pFrame->pwStatus))));
                 pMgmt->eCurrState = WMAC_STATE_IDLE;
             }
-            if (pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT ) {
-//                spin_unlock_irq(&pDevice->lock);
-//                vCommandTimerWait((HANDLE)pDevice, 0);
-//                spin_lock_irq(&pDevice->lock);
+	    if (pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT) {
+		/* spin_unlock_irq(&pDevice->lock);
+		   vCommandTimerWait((void *) pDevice, 0);
+		   spin_lock_irq(&pDevice->lock); */
             }
-
             break;
 
         case WLAN_AUTH_ALG_SHAREDKEY:
@@ -1453,9 +1426,9 @@ s_vMgrRxAuthenSequence_2(
             else {
             	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:rx Auth_reply sequence_2 status error ...\n");
                 if ( pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT ) {
-//                    spin_unlock_irq(&pDevice->lock);
-//                    vCommandTimerWait((HANDLE)pDevice, 0);
-//                    spin_lock_irq(&pDevice->lock);
+			/* spin_unlock_irq(&pDevice->lock);
+			   vCommandTimerWait((void *) pDevice, 0);
+			   spin_lock_irq(&pDevice->lock); */
                 }
                 s_vMgrLogStatus(pMgmt, cpu_to_le16((*(pFrame->pwStatus))));
             }
@@ -1591,11 +1564,10 @@ s_vMgrRxAuthenSequence_4(
     }
 
     if ( pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT ) {
-//        spin_unlock_irq(&pDevice->lock);
-//        vCommandTimerWait((HANDLE)pDevice, 0);
-//        spin_lock_irq(&pDevice->lock);
+	/* spin_unlock_irq(&pDevice->lock);
+	   vCommandTimerWait((void *) pDevice, 0);
+	   spin_lock_irq(&pDevice->lock); */
     }
-
 }
 
 /*+
@@ -1913,10 +1885,12 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
         sERP.byERP = 0;
     }
 
-    pBSSList = BSSpAddrIsInBSSList((HANDLE)pDevice, sFrame.pHdr->sA3.abyAddr3, sFrame.pSSID);
+    pBSSList = BSSpAddrIsInBSSList((void *) pDevice,
+				   sFrame.pHdr->sA3.abyAddr3,
+				   sFrame.pSSID);
     if (pBSSList == NULL) {
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Beacon/insert: RxChannel = : %d\n", byCurrChannel);
-        BSSbInsertToBSSList((HANDLE)pDevice,
+	BSSbInsertToBSSList((void *) pDevice,
                             sFrame.pHdr->sA3.abyAddr3,
                             *sFrame.pqwTimestamp,
                             *sFrame.pwBeaconInterval,
@@ -1932,12 +1906,11 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                             sFrame.pIE_Quiet,
                             sFrame.len - WLAN_HDR_ADDR3_LEN,
                             sFrame.pHdr->sA4.abyAddr4,   // payload of beacon
-                            (HANDLE)pRxPacket
-                           );
+			    (void *) pRxPacket);
     }
     else {
 //        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"update bcn: RxChannel = : %d\n", byCurrChannel);
-        BSSbUpdateToBSSList((HANDLE)pDevice,
+	BSSbUpdateToBSSList((void *) pDevice,
                             *sFrame.pqwTimestamp,
                             *sFrame.pwBeaconInterval,
                             *sFrame.pwCapInfo,
@@ -1954,8 +1927,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                             pBSSList,
                             sFrame.len - WLAN_HDR_ADDR3_LEN,
                             sFrame.pHdr->sA4.abyAddr4,   // payload of probresponse
-                            (HANDLE)pRxPacket
-                           );
+			    (void *) pRxPacket);
 
     }
 
@@ -2324,7 +2296,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                      // set highest basic rate
                      // s_vSetHighestBasicRate(pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates);
                      // Prepare beacon frame
-                     bMgrPrepareBeaconToSend((HANDLE)pDevice, pMgmt);
+			bMgrPrepareBeaconToSend((void *) pDevice, pMgmt);
               //  }
             };
         }
@@ -2341,8 +2313,6 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
     return;
 }
 
-
-
 /*+
  *
  * Routine Description:
@@ -2355,11 +2325,9 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
  *    CMD_STATUS
  *
 -*/
-void
-vMgrCreateOwnIBSS(
-      HANDLE hDeviceContext,
-     PCMD_STATUS pStatus
-    )
+
+void vMgrCreateOwnIBSS(void *hDeviceContext,
+		       PCMD_STATUS pStatus)
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
@@ -2609,14 +2577,12 @@ vMgrCreateOwnIBSS(
 
     pMgmt->eCurrState = WMAC_STATE_STARTED;
     // Prepare beacon to send
-    if (bMgrPrepareBeaconToSend((HANDLE)pDevice, pMgmt)) {
-        *pStatus = CMD_STATUS_SUCCESS;
-    }
-    return ;
+    if (bMgrPrepareBeaconToSend((void *) pDevice, pMgmt))
+	*pStatus = CMD_STATUS_SUCCESS;
+
+    return;
 }
 
-
-
 /*+
  *
  * Routine Description:
@@ -2630,13 +2596,8 @@ vMgrCreateOwnIBSS(
  *
 -*/
 
-void
-vMgrJoinBSSBegin(
-      HANDLE hDeviceContext,
-     PCMD_STATUS pStatus
-    )
+void vMgrJoinBSSBegin(void *hDeviceContext, PCMD_STATUS pStatus)
 {
-
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     PKnownBSS       pCurr = NULL;
@@ -2782,12 +2743,17 @@ vMgrJoinBSSBegin(
             // Add current BSS to Candidate list
             // This should only works for WPA2 BSS, and WPA2 BSS check must be done before.
             if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) {
-                BOOL bResult = bAdd_PMKID_Candidate((HANDLE)pDevice, pMgmt->abyCurrBSSID, &pCurr->sRSNCapObj);
+		BOOL bResult = bAdd_PMKID_Candidate((void *) pDevice,
+						    pMgmt->abyCurrBSSID,
+						    &pCurr->sRSNCapObj);
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"bAdd_PMKID_Candidate: 1(%d)\n", bResult);
                 if (bResult == FALSE) {
-                    vFlush_PMKID_Candidate((HANDLE)pDevice);
-                    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFlush_PMKID_Candidate: 4\n");
-                    bAdd_PMKID_Candidate((HANDLE)pDevice, pMgmt->abyCurrBSSID, &pCurr->sRSNCapObj);
+			vFlush_PMKID_Candidate((void *) pDevice);
+			DBG_PRT(MSG_LEVEL_DEBUG,
+				KERN_INFO "vFlush_PMKID_Candidate: 4\n");
+			bAdd_PMKID_Candidate((void *) pDevice,
+					     pMgmt->abyCurrBSSID,
+					     &pCurr->sRSNCapObj);
                 }
             }
 
@@ -2940,7 +2906,7 @@ vMgrJoinBSSBegin(
             CARDvSetRSPINF(pDevice, (BYTE)pDevice->byBBType);
 
             // Prepare beacon
-            bMgrPrepareBeaconToSend((HANDLE)pDevice, pMgmt);
+		bMgrPrepareBeaconToSend((void *) pDevice, pMgmt);
         }
         else {
             pMgmt->eCurrState = WMAC_STATE_IDLE;
@@ -4299,31 +4265,32 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 
 
     // update or insert the bss
-    pBSSList = BSSpAddrIsInBSSList((HANDLE)pDevice, sFrame.pHdr->sA3.abyAddr3, sFrame.pSSID);
+    pBSSList = BSSpAddrIsInBSSList((void *) pDevice,
+				   sFrame.pHdr->sA3.abyAddr3,
+				   sFrame.pSSID);
     if (pBSSList) {
-        BSSbUpdateToBSSList((HANDLE)pDevice,
-                            *sFrame.pqwTimestamp,
-                            *sFrame.pwBeaconInterval,
-                            *sFrame.pwCapInfo,
-                            byCurrChannel,
-                            bChannelHit,
-                            sFrame.pSSID,
-                            sFrame.pSuppRates,
-                            sFrame.pExtSuppRates,
-                            &sERP,
-                            sFrame.pRSN,
-                            sFrame.pRSNWPA,
-                            sFrame.pIE_Country,
-                            sFrame.pIE_Quiet,
-                            pBSSList,
-                            sFrame.len - WLAN_HDR_ADDR3_LEN,
-                            sFrame.pHdr->sA4.abyAddr4,   // payload of probresponse
-                            (HANDLE)pRxPacket
-                           );
-    }
-    else {
+	BSSbUpdateToBSSList((void *) pDevice,
+			    *sFrame.pqwTimestamp,
+			    *sFrame.pwBeaconInterval,
+			    *sFrame.pwCapInfo,
+			    byCurrChannel,
+			    bChannelHit,
+			    sFrame.pSSID,
+			    sFrame.pSuppRates,
+			    sFrame.pExtSuppRates,
+			    &sERP,
+			    sFrame.pRSN,
+			    sFrame.pRSNWPA,
+			    sFrame.pIE_Country,
+			    sFrame.pIE_Quiet,
+			    pBSSList,
+			    sFrame.len - WLAN_HDR_ADDR3_LEN,
+			    /* payload of probresponse */
+			    sFrame.pHdr->sA4.abyAddr4,
+			    (void *) pRxPacket);
+    } else {
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Probe resp/insert: RxChannel = : %d\n", byCurrChannel);
-        BSSbInsertToBSSList((HANDLE)pDevice,
+	BSSbInsertToBSSList((void *) pDevice,
                             sFrame.pHdr->sA3.abyAddr3,
                             *sFrame.pqwTimestamp,
                             *sFrame.pwBeaconInterval,
@@ -4338,9 +4305,8 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                             sFrame.pIE_Country,
                             sFrame.pIE_Quiet,
                             sFrame.len - WLAN_HDR_ADDR3_LEN,
-                            sFrame.pHdr->sA4.abyAddr4,   // payload of beacon
-                            (HANDLE)pRxPacket
-                           );
+			    sFrame.pHdr->sA4.abyAddr4,   /* payload of beacon */
+			    (void *) pRxPacket);
     }
     return;
 
@@ -4436,10 +4402,6 @@ s_vMgrRxProbeRequest(
     return;
 }
 
-
-
-
-
 /*+
  *
  * Routine Description:
@@ -4454,13 +4416,9 @@ s_vMgrRxProbeRequest(
  *
 -*/
 
-
-void
-vMgrRxManagePacket(
-      HANDLE hDeviceContext,
-     PSMgmtObject pMgmt,
-     PSRxMgmtPacket pRxPacket
-     )
+void vMgrRxManagePacket(void *hDeviceContext,
+			PSMgmtObject pMgmt,
+			PSRxMgmtPacket pRxPacket)
 {
     PSDevice    pDevice = (PSDevice)hDeviceContext;
     BOOL        bInScan = FALSE;
@@ -4593,9 +4551,6 @@ vMgrRxManagePacket(
     return;
 }
 
-
-
-
 /*+
  *
  * Routine Description:
@@ -4607,11 +4562,7 @@ vMgrRxManagePacket(
  *    TRUE if success; FALSE if failed.
  *
 -*/
-BOOL
-bMgrPrepareBeaconToSend(
-     HANDLE hDeviceContext,
-     PSMgmtObject pMgmt
-    )
+BOOL bMgrPrepareBeaconToSend(void *hDeviceContext, PSMgmtObject pMgmt)
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
     PSTxMgmtPacket      pTxPacket;
@@ -4715,7 +4666,6 @@ s_vMgrLogStatus(
     }
 }
 
-
 /*
  *
  * Description:
@@ -4732,12 +4682,10 @@ s_vMgrLogStatus(
  * Return Value: none.
  *
 -*/
-BOOL
-bAdd_PMKID_Candidate (
-     HANDLE    hDeviceContext,
-     PBYTE          pbyBSSID,
-     PSRSNCapObject psRSNCapObj
-    )
+
+BOOL bAdd_PMKID_Candidate(void *hDeviceContext,
+			  PBYTE pbyBSSID,
+			  PSRSNCapObject psRSNCapObj)
 {
     PSDevice         pDevice = (PSDevice)hDeviceContext;
     PPMKID_CANDIDATE pCandidateList;
@@ -4796,10 +4744,8 @@ bAdd_PMKID_Candidate (
  * Return Value: none.
  *
 -*/
-void
-vFlush_PMKID_Candidate (
-     HANDLE hDeviceContext
-    )
+
+void vFlush_PMKID_Candidate(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
 
diff --git a/drivers/staging/vt6656/wmgr.h b/drivers/staging/vt6656/wmgr.h
index 0eda12afd26..ec2ee7805f4 100644
--- a/drivers/staging/vt6656/wmgr.h
+++ b/drivers/staging/vt6656/wmgr.h
@@ -400,102 +400,61 @@ typedef struct tagSMgmtObject
 
 } SMgmtObject, *PSMgmtObject;
 
-
 /*---------------------  Export Macros ------------------------------*/
 
-
 /*---------------------  Export Functions  --------------------------*/
 
+void vMgrObjectInit(void *hDeviceContext);
 
-void
-vMgrObjectInit(
-      HANDLE hDeviceContext
-    );
+void vMgrAssocBeginSta(void *hDeviceContext,
+		       PSMgmtObject pMgmt,
+		       PCMD_STATUS pStatus);
 
+void vMgrReAssocBeginSta(void *hDeviceContext,
+			 PSMgmtObject pMgmt,
+			 PCMD_STATUS pStatus);
 
-void
-vMgrAssocBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt,
-     PCMD_STATUS pStatus
-    );
+void vMgrDisassocBeginSta(void *hDeviceContext,
+			  PSMgmtObject pMgmt,
+			  PBYTE abyDestAddress,
+			  WORD wReason,
+			  PCMD_STATUS pStatus);
 
-void
-vMgrReAssocBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt,
-     PCMD_STATUS pStatus
-    );
+void vMgrAuthenBeginSta(void *hDeviceContext,
+			PSMgmtObject pMgmt,
+			PCMD_STATUS pStatus);
 
-void
-vMgrDisassocBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt,
-      PBYTE  abyDestAddress,
-      WORD    wReason,
-     PCMD_STATUS pStatus
-    );
+void vMgrCreateOwnIBSS(void *hDeviceContext,
+		       PCMD_STATUS pStatus);
 
-void
-vMgrAuthenBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt,
-     PCMD_STATUS pStatus
-    );
+void vMgrJoinBSSBegin(void *hDeviceContext,
+		      PCMD_STATUS pStatus);
 
-void
-vMgrCreateOwnIBSS(
-      HANDLE hDeviceContext,
-     PCMD_STATUS pStatus
-    );
-
-void
-vMgrJoinBSSBegin(
-      HANDLE hDeviceContext,
-     PCMD_STATUS pStatus
-    );
-
-void
-vMgrRxManagePacket(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt,
-      PSRxMgmtPacket pRxPacket
-    );
+void vMgrRxManagePacket(void *hDeviceContext,
+			PSMgmtObject pMgmt,
+			PSRxMgmtPacket pRxPacket);
 
 /*
 void
 vMgrScanBegin(
-      HANDLE hDeviceContext,
+      void *hDeviceContext,
      PCMD_STATUS pStatus
     );
 */
 
-void
-vMgrDeAuthenBeginSta(
-      HANDLE hDeviceContext,
-      PSMgmtObject  pMgmt,
-      PBYTE   abyDestAddress,
-      WORD    wReason,
-     PCMD_STATUS pStatus
-    );
+void vMgrDeAuthenBeginSta(void *hDeviceContext,
+			  PSMgmtObject pMgmt,
+			  PBYTE abyDestAddress,
+			  WORD wReason,
+			  PCMD_STATUS pStatus);
 
-BOOL
-bMgrPrepareBeaconToSend(
-      HANDLE hDeviceContext,
-      PSMgmtObject pMgmt
-    );
+BOOL bMgrPrepareBeaconToSend(void *hDeviceContext,
+			     PSMgmtObject pMgmt);
 
+BOOL bAdd_PMKID_Candidate(void *hDeviceContext,
+			  PBYTE pbyBSSID,
+			  PSRSNCapObject psRSNCapObj);
 
-BOOL
-bAdd_PMKID_Candidate (
-     HANDLE    hDeviceContext,
-     PBYTE          pbyBSSID,
-     PSRSNCapObject psRSNCapObj
-    );
-
-void
-vFlush_PMKID_Candidate (
-     HANDLE hDeviceContext
-    );
+void vFlush_PMKID_Candidate(void *hDeviceContext);
 
 #endif /* __WMGR_H__ */
diff --git a/drivers/staging/vt6656/wpactl.c b/drivers/staging/vt6656/wpactl.c
index 25b784c26e8..04a4875e601 100644
--- a/drivers/staging/vt6656/wpactl.c
+++ b/drivers/staging/vt6656/wpactl.c
@@ -489,7 +489,7 @@ static int wpa_set_disassociate(PSDevice pDevice,
     spin_lock_irq(&pDevice->lock);
     if (pDevice->bLinkPass) {
         if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
-            bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
+		bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL);
     }
     spin_unlock_irq(&pDevice->lock);
 
@@ -513,7 +513,7 @@ static int wpa_set_disassociate(PSDevice pDevice,
  */
 
 static int wpa_set_scan(PSDevice pDevice,
-				     struct viawget_wpa_param *param)
+			struct viawget_wpa_param *param)
 {
 	int ret = 0;
 
@@ -531,9 +531,11 @@ memcpy(pItemSSID->abySSID, param->u.scan_req.ssid, param->u.scan_req.ssid_len);
 pItemSSID->len = param->u.scan_req.ssid_len;
 
     spin_lock_irq(&pDevice->lock);
-    BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
-  //  bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
+    BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
+    /* bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); */
+    bScheduleCommand((void *) pDevice,
+		     WLAN_CMD_BSSID_SCAN,
+		     pMgmt->abyDesireSSID);
     spin_unlock_irq(&pDevice->lock);
 
     return ret;
@@ -886,12 +888,14 @@ static int wpa_set_associate(PSDevice pDevice,
 
     if (pCurr == NULL){
     printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
-    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
+    bScheduleCommand((void *) pDevice,
+		     WLAN_CMD_BSSID_SCAN,
+		     pMgmt->abyDesireSSID);
   };
 }
 /****************************************************************/
 
-    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+    bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
     spin_unlock_irq(&pDevice->lock);
 
     return ret;

From 717f4a5f55e307b3ba2b1a8c05428bb5dd35047e Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Fri, 7 May 2010 11:00:35 +0300
Subject: [PATCH 1319/3638] staging: dt3155v4l syncronize with API changes

dt3155v4l driver, as in -rc6-next-20100506 compiles, but will
not run properly due to recent changes in the videobuf APIs.

This patch synchronizes some functions that have been copied
from drivers/media/video/videobuf-dma-contig.c (and modified)
with the recent (-rc6 -> -rc6-next-) changes in videobuf layer
especially drivers/media/video/videobuf-dma-contig.c

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155v4l/dt3155v4l.c | 68 ++++++++++++++-------------
 1 file changed, 36 insertions(+), 32 deletions(-)

diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index 881c3e99bd4..b1695ad9b56 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -1,3 +1,23 @@
+/***************************************************************************
+ *   Copyright (C) 2006-2010 by Marin Mitov                                *
+ *   mitov@issp.bas.bg                                                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
 #include <media/v4l2-dev.h>
 #include <media/videobuf-core.h>
 #include <media/v4l2-ioctl.h>
@@ -260,9 +280,11 @@ dt3155_dma_contig_user_get(struct videobuf_dma_contig_memory *mem,
 	struct vm_area_struct *vma;
 	unsigned long prev_pfn, this_pfn;
 	unsigned long pages_done, user_address;
+	unsigned int offset;
 	int ret;
 
-	mem->size = PAGE_ALIGN(vb->size);
+	offset = vb->baddr & ~PAGE_MASK;
+	mem->size = PAGE_ALIGN(vb->size + offset);
 	mem->is_userptr = 0;
 	ret = -EINVAL;
 
@@ -285,7 +307,7 @@ dt3155_dma_contig_user_get(struct videobuf_dma_contig_memory *mem,
 			break;
 
 		if (pages_done == 0)
-			mem->dma_handle = this_pfn << PAGE_SHIFT;
+			mem->dma_handle = (this_pfn << PAGE_SHIFT) + offset;
 		else if (this_pfn != (prev_pfn + 1))
 			ret = -EFAULT;
 
@@ -416,14 +438,14 @@ dt3155_vm_close(struct vm_area_struct *vma)
 	struct videobuf_queue *q = map->q;
 	int i;
 
-	dev_dbg(map->q->dev, "vm_close %p [count=%u,vma=%08lx-%08lx]\n",
+	dev_dbg(q->dev, "vm_close %p [count=%u,vma=%08lx-%08lx]\n",
 		map, map->count, vma->vm_start, vma->vm_end);
 
 	map->count--;
 	if (0 == map->count) {
 		struct videobuf_dma_contig_memory *mem;
 
-		dev_dbg(map->q->dev, "munmap %p q=%p\n", map, q);
+		dev_dbg(q->dev, "munmap %p q=%p\n", map, q);
 		mutex_lock(&q->vb_lock);
 
 		/* We need first to cancel streams, before unmapping */
@@ -450,7 +472,7 @@ dt3155_vm_close(struct vm_area_struct *vma)
 				/* vfree is not atomic - can't be
 				   called with IRQ's disabled
 				 */
-				dev_dbg(map->q->dev, "buf[%d] freeing %p\n",
+				dev_dbg(q->dev, "buf[%d] freeing %p\n",
 					i, mem->vaddr);
 
 				dt3155_free_buffer(q->dev, mem->size,
@@ -475,51 +497,33 @@ static const struct vm_operations_struct dt3155_vm_ops = {
 
 /* same as videobuf_mmap_mapper(), but allocates from the pool */
 static int
-dt3155_mmap_mapper(struct videobuf_queue *q, struct vm_area_struct *vma)
+dt3155_mmap_mapper(struct videobuf_queue *q, struct videobuf_buffer *buf,
+						struct vm_area_struct *vma)
 {
 	struct videobuf_dma_contig_memory *mem;
 	struct videobuf_mapping *map;
-	unsigned int first;
 	int retval;
-	unsigned long size, offset = vma->vm_pgoff << PAGE_SHIFT;
+	unsigned long size;
 
 	dev_dbg(q->dev, "%s\n", __func__);
-	if (!(vma->vm_flags & VM_WRITE) || !(vma->vm_flags & VM_SHARED))
-		return -EINVAL;
-
-	/* look for first buffer to map */
-	for (first = 0; first < VIDEO_MAX_FRAME; first++) {
-		if (!q->bufs[first])
-			continue;
-
-		if (V4L2_MEMORY_MMAP != q->bufs[first]->memory)
-			continue;
-		if (q->bufs[first]->boff == offset)
-			break;
-	}
-	if (VIDEO_MAX_FRAME == first) {
-		dev_dbg(q->dev, "invalid user space offset [offset=0x%lx]\n",
-			offset);
-		return -EINVAL;
-	}
 
 	/* create mapping + update buffer list */
 	map = kzalloc(sizeof(struct videobuf_mapping), GFP_KERNEL);
 	if (!map)
 		return -ENOMEM;
 
-	q->bufs[first]->map = map;
+	buf->map = map;
 	map->start = vma->vm_start;
 	map->end = vma->vm_end;
 	map->q = q;
 
-	q->bufs[first]->baddr = vma->vm_start;
+	buf->baddr = vma->vm_start;
 
-	mem = q->bufs[first]->priv;
+	mem = buf->priv;
 	BUG_ON(!mem);
 	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
 
-	mem->size = PAGE_ALIGN(q->bufs[first]->bsize);
+	mem->size = PAGE_ALIGN(buf->bsize);
 	mem->vaddr = dt3155_alloc_buffer(q->dev, mem->size,
 					&mem->dma_handle, GFP_KERNEL);
 	if (!mem->vaddr) {
@@ -552,8 +556,8 @@ dt3155_mmap_mapper(struct videobuf_queue *q, struct vm_area_struct *vma)
 
 	dev_dbg(q->dev, "mmap %p: q=%p %08lx-%08lx (%lx) pgoff %08lx buf %d\n",
 		map, q, vma->vm_start, vma->vm_end,
-		(long int) q->bufs[first]->bsize,
-		vma->vm_pgoff, first);
+		(long int)buf->bsize,
+		vma->vm_pgoff, buf->i);
 
 	dt3155_vm_open(vma);
 

From f9bd64952037d0f58eeffa07e30da1fff4c39b8f Mon Sep 17 00:00:00 2001
From: Christos Tzoumakis <ctzocy@gmail.com>
Date: Fri, 7 May 2010 06:17:24 +0300
Subject: [PATCH 1320/3638] Staging: wlan-ng : fixing coding style issues in
 prism2sta.c

Signed-off-by: Christos Tzoumakis <ctzocy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/prism2sta.c | 71 +++++++++++++++--------------
 1 file changed, 37 insertions(+), 34 deletions(-)

diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c
index 31ac8da39c8..6cd09352f89 100644
--- a/drivers/staging/wlan-ng/prism2sta.c
+++ b/drivers/staging/wlan-ng/prism2sta.c
@@ -426,7 +426,7 @@ static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg)
 *	msgp		ptr to msg buffer
 *
 * Returns:
-* 	A p80211 message resultcode value.
+*	A p80211 message resultcode value.
 *
 * Side effects:
 *
@@ -458,7 +458,7 @@ u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
 				       "hfa384x_drvr_start() failed,"
 				       "result=%d\n", (int)result);
 				result =
-				    P80211ENUM_resultcode_implementation_failure;
+				 P80211ENUM_resultcode_implementation_failure;
 				wlandev->msdstate = WLAN_MSD_HWPRESENT;
 				break;
 			}
@@ -503,7 +503,7 @@ u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
 				       "hfa384x_drvr_start() failed,"
 				       "result=%d\n", (int)result);
 				result =
-				    P80211ENUM_resultcode_implementation_failure;
+				  P80211ENUM_resultcode_implementation_failure;
 				wlandev->msdstate = WLAN_MSD_HWPRESENT;
 				break;
 			}
@@ -514,7 +514,7 @@ u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
 				       "prism2sta_getcardinfo() failed,"
 				       "result=%d\n", (int)result);
 				result =
-				    P80211ENUM_resultcode_implementation_failure;
+				  P80211ENUM_resultcode_implementation_failure;
 				hfa384x_drvr_stop(hw);
 				wlandev->msdstate = WLAN_MSD_HWPRESENT;
 				break;
@@ -525,7 +525,7 @@ u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
 				       "prism2sta_globalsetup() failed,"
 				       "result=%d\n", (int)result);
 				result =
-				    P80211ENUM_resultcode_implementation_failure;
+				  P80211ENUM_resultcode_implementation_failure;
 				hfa384x_drvr_stop(hw);
 				wlandev->msdstate = WLAN_MSD_HWPRESENT;
 				break;
@@ -1178,8 +1178,8 @@ static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
 			chinforesult->active =
 			    le16_to_cpu(inf->info.chinforesult.result[n].
 					active);
-			pr_debug
-			    ("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
+	pr_debug
+		("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
 			     channel + 1,
 			     chinforesult->
 			     active & HFA384x_CHINFORESULT_BSSACTIVE ? "signal"
@@ -1246,7 +1246,9 @@ void prism2sta_processing_defer(struct work_struct *data)
 
 		netif_carrier_on(wlandev->netdev);
 
-		/* If we are joining a specific AP, set our state and reset retries */
+		/* If we are joining a specific AP, set our
+		 * state and reset retries
+		 */
 		if (hw->join_ap == 1)
 			hw->join_ap = 2;
 		hw->join_retries = 60;
@@ -1261,9 +1263,9 @@ void prism2sta_processing_defer(struct work_struct *data)
 			/* Collect the BSSID, and set state to allow tx */
 
 			result = hfa384x_drvr_getconfig(hw,
-							HFA384x_RID_CURRENTBSSID,
-							wlandev->bssid,
-							WLAN_BSSID_LEN);
+						HFA384x_RID_CURRENTBSSID,
+						wlandev->bssid,
+						WLAN_BSSID_LEN);
 			if (result) {
 				pr_debug
 				    ("getconfig(0x%02x) failed, result = %d\n",
@@ -1286,8 +1288,8 @@ void prism2sta_processing_defer(struct work_struct *data)
 
 			/* Collect the port status */
 			result = hfa384x_drvr_getconfig16(hw,
-							  HFA384x_RID_PORTSTATUS,
-							  &portstatus);
+							HFA384x_RID_PORTSTATUS,
+							&portstatus);
 			if (result) {
 				pr_debug
 				    ("getconfig(0x%02x) failed, result = %d\n",
@@ -1322,7 +1324,7 @@ void prism2sta_processing_defer(struct work_struct *data)
 					       &joinreq,
 					       HFA384x_RID_JOINREQUEST_LEN);
 			printk(KERN_INFO
-			       "linkstatus=DISCONNECTED (re-submitting join)\n");
+			    "linkstatus=DISCONNECTED (re-submitting join)\n");
 		} else {
 			if (wlandev->netdev->type == ARPHRD_ETHER)
 				printk(KERN_INFO
@@ -1509,14 +1511,15 @@ static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
 	rec.reason = le16_to_cpu(rec.reason);
 
 	/*
-	 ** Find the address in the list of authenticated stations.  If it wasn't
-	 ** found, then this address has not been previously authenticated and
-	 ** something weird has happened if this is anything other than an
-	 ** "authentication failed" message.  If the address was found, then
-	 ** set the "associated" flag for that station, based on whether the
-	 ** station is associating or losing its association.  Something weird
-	 ** has also happened if we find the address in the list of authenticated
-	 ** stations but we are getting an "authentication failed" message.
+	 ** Find the address in the list of authenticated stations.
+	 ** If it wasn't found, then this address has not been previously
+	 ** authenticated and something weird has happened if this is
+	 ** anything other than an "authentication failed" message.
+	 ** If the address was found, then set the "associated" flag for
+	 ** that station, based on whether the station is associating or
+	 ** losing its association.  Something weird has also happened
+	 ** if we find the address in the list of authenticated stations
+	 ** but we are getting an "authentication failed" message.
 	 */
 
 	for (i = 0; i < hw->authlist.cnt; i++)
@@ -1526,7 +1529,7 @@ static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
 	if (i >= hw->authlist.cnt) {
 		if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
 			printk(KERN_WARNING
-			       "assocstatus info frame received for non-authenticated station.\n");
+	"assocstatus info frame received for non-authenticated station.\n");
 	} else {
 		hw->authlist.assoc[i] =
 		    (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
@@ -1534,7 +1537,7 @@ static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
 
 		if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
 			printk(KERN_WARNING
-			       "authfail assocstatus info frame received for authenticated station.\n");
+"authfail assocstatus info frame received for authenticated station.\n");
 	}
 
 	return;
@@ -1681,12 +1684,12 @@ static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
 	}
 
 	/*
-	 ** If the authentication is okay, then add the MAC address to the list
-	 ** of authenticated stations.  Don't add the address if it is already in
-	 ** the list.  (802.11b does not seem to disallow a station from issuing
-	 ** an authentication request when the station is already authenticated.
-	 ** Does this sort of thing ever happen?  We might as well do the check
-	 ** just in case.)
+	 ** If the authentication is okay, then add the MAC address to the
+	 ** list of authenticated stations.  Don't add the address if it
+	 ** is already in the list. (802.11b does not seem to disallow
+	 ** a station from issuing an authentication request when the
+	 ** station is already authenticated. Does this sort of thing
+	 ** ever happen?  We might as well do the check just in case.)
 	 */
 
 	added = 0;
@@ -1931,7 +1934,7 @@ void prism2sta_ev_alloc(wlandevice_t *wlandev)
 *	the created wlandevice_t structure.
 *
 * Side effects:
-* 	also allocates the priv/hw structures.
+*	also allocates the priv/hw structures.
 *
 * Call context:
 *	process thread
@@ -1995,9 +1998,9 @@ void prism2sta_commsqual_defer(struct work_struct *data)
 
 	/* It only makes sense to poll these in non-IBSS */
 	if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
-		result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DBMCOMMSQUALITY,
-						&hw->qual,
-						HFA384x_RID_DBMCOMMSQUALITY_LEN);
+		result = hfa384x_drvr_getconfig(
+				hw, HFA384x_RID_DBMCOMMSQUALITY,
+				&hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
 
 		if (result) {
 			printk(KERN_ERR "error fetching commsqual\n");

From 85798ec85ec6146bff3af886c06d72cc66940a05 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Fri, 7 May 2010 15:38:54 +0100
Subject: [PATCH 1321/3638] staging: iio: Documentation fixes

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/Documentation/sysfs-class-iio | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/Documentation/sysfs-class-iio b/drivers/staging/iio/Documentation/sysfs-class-iio
index 72385821578..ff19f6e22e3 100644
--- a/drivers/staging/iio/Documentation/sysfs-class-iio
+++ b/drivers/staging/iio/Documentation/sysfs-class-iio
@@ -66,7 +66,7 @@ KernelVersion:	2.6.35
 Contact:	linux-iio@vger.kernel.org
 Description:
 		If known for a device, offset to be added to in[m]_raw prior
-		to scaling by volt[m]_scale in order to obtain voltage in
+		to scaling by in[_name][m]_scale in order to obtain voltage in
 		millivolts.  Not present if the offset is always 0 or unknown.
 		If m is not present, then voltage offset applies to all in
 		channels. May be writable if a variable offset is controlled
@@ -111,8 +111,8 @@ KernelVersion:	2.6.35
 Contact:	linux-iio@vger.kernel.org
 Description:
 		If known for a device, scale to be applied to volt[m]_raw post
-		addition of volt[m]_offset in order to obtain the measured voltage
-		in millivolts.  If shared across all in channels then m is not present.
+		addition of in[_name][m]_offset in order to obtain the measured
+		voltage	in millivolts.  If shared across all in channels then			m is not present.
 
 What:		/sys/.../device[n]/in[m]-in[o]_raw
 KernelVersion:	2.6.35

From a1169c5a0bfec75730a080a5f5d668e65144d1d1 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Fri, 7 May 2010 15:38:55 +0100
Subject: [PATCH 1322/3638] staging: iio: Break up gyro.h and move to new abi

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/inclinometer.h  | 23 ++++++++++++
 drivers/staging/iio/gyro/gyro.h           | 43 +++--------------------
 drivers/staging/iio/imu/adis16300_core.c  | 11 +++---
 drivers/staging/iio/imu/adis16400_core.c  | 16 ++++-----
 drivers/staging/iio/magnetometer/magnet.h | 12 +++----
 5 files changed, 47 insertions(+), 58 deletions(-)
 create mode 100644 drivers/staging/iio/accel/inclinometer.h

diff --git a/drivers/staging/iio/accel/inclinometer.h b/drivers/staging/iio/accel/inclinometer.h
new file mode 100644
index 00000000000..5b49f835eac
--- /dev/null
+++ b/drivers/staging/iio/accel/inclinometer.h
@@ -0,0 +1,23 @@
+/*
+ * Inclinometer related attributes
+ */
+#include "../sysfs.h"
+
+#define IIO_DEV_ATTR_INCLI_X(_show, _addr)			\
+	IIO_DEVICE_ATTR(incli_x_raw, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_INCLI_Y(_show, _addr)			\
+	IIO_DEVICE_ATTR(incli_y_raw, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_INCLI_Z(_show, _addr)			\
+	IIO_DEVICE_ATTR(incli_z_raw, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_INCLI_X_OFFSET(_mode, _show, _store, _addr) \
+	IIO_DEVICE_ATTR(incli_x_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_INCLI_Y_OFFSET(_mode, _show, _store, _addr) \
+	IIO_DEVICE_ATTR(incli_y_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_INCLI_Z_OFFSET(_mode, _show, _store, _addr) \
+	IIO_DEVICE_ATTR(incli_z_offset, _mode, _show, _store, _addr)
+
diff --git a/drivers/staging/iio/gyro/gyro.h b/drivers/staging/iio/gyro/gyro.h
index 7c4dcf2f4a6..16f6ffa039b 100644
--- a/drivers/staging/iio/gyro/gyro.h
+++ b/drivers/staging/iio/gyro/gyro.h
@@ -28,49 +28,14 @@
 	IIO_DEVICE_ATTR(gyro_scale, S_IRUGO, _show, _store, _addr)
 
 #define IIO_DEV_ATTR_GYRO(_show, _addr)			\
-	IIO_DEVICE_ATTR(gyro, S_IRUGO, _show, NULL, _addr)
+	IIO_DEVICE_ATTR(gyro_raw, S_IRUGO, _show, NULL, _addr)
 
 #define IIO_DEV_ATTR_GYRO_X(_show, _addr)			\
-	IIO_DEVICE_ATTR(gyro_x, S_IRUGO, _show, NULL, _addr)
+	IIO_DEVICE_ATTR(gyro_x_raw, S_IRUGO, _show, NULL, _addr)
 
 #define IIO_DEV_ATTR_GYRO_Y(_show, _addr)			\
-	IIO_DEVICE_ATTR(gyro_y, S_IRUGO, _show, NULL, _addr)
+	IIO_DEVICE_ATTR(gyro_y_raw, S_IRUGO, _show, NULL, _addr)
 
 #define IIO_DEV_ATTR_GYRO_Z(_show, _addr)			\
-	IIO_DEVICE_ATTR(gyro_z, S_IRUGO, _show, NULL, _addr)
+	IIO_DEVICE_ATTR(gyro_z_raw, S_IRUGO, _show, NULL, _addr)
 
-#define IIO_DEV_ATTR_TEMP_X(_show, _addr)			\
-	IIO_DEVICE_ATTR(temp_x, S_IRUGO, _show, NULL, _addr)
-
-#define IIO_DEV_ATTR_TEMP_Y(_show, _addr)			\
-	IIO_DEVICE_ATTR(temp_y, S_IRUGO, _show, NULL, _addr)
-
-#define IIO_DEV_ATTR_TEMP_Z(_show, _addr)			\
-	IIO_DEVICE_ATTR(temp_z, S_IRUGO, _show, NULL, _addr)
-
-#define IIO_DEV_ATTR_INCLI_X(_show, _addr)			\
-	IIO_DEVICE_ATTR(incli_x, S_IRUGO, _show, NULL, _addr)
-
-#define IIO_DEV_ATTR_INCLI_Y(_show, _addr)			\
-	IIO_DEVICE_ATTR(incli_y, S_IRUGO, _show, NULL, _addr)
-
-#define IIO_DEV_ATTR_INCLI_Z(_show, _addr)			\
-	IIO_DEVICE_ATTR(incli_z, S_IRUGO, _show, NULL, _addr)
-
-#define IIO_DEV_ATTR_INCLI_X_OFFSET(_mode, _show, _store, _addr) \
-	IIO_DEVICE_ATTR(incli_x_offset, _mode, _show, _store, _addr)
-
-#define IIO_DEV_ATTR_INCLI_Y_OFFSET(_mode, _show, _store, _addr) \
-	IIO_DEVICE_ATTR(incli_y_offset, _mode, _show, _store, _addr)
-
-#define IIO_DEV_ATTR_INCLI_Z_OFFSET(_mode, _show, _store, _addr) \
-	IIO_DEVICE_ATTR(incli_z_offset, _mode, _show, _store, _addr)
-
-#define IIO_DEV_ATTR_ROT(_show, _addr)                    \
-	IIO_DEVICE_ATTR(rot, S_IRUGO, _show, NULL, _addr)
-
-#define IIO_DEV_ATTR_ROT_OFFSET(_mode, _show, _store, _addr) \
-	IIO_DEVICE_ATTR(rot_offset, _mode, _show, _store, _addr)
-
-#define IIO_DEV_ATTR_ANGL(_show, _addr)                         \
-	IIO_DEVICE_ATTR(angl, S_IRUGO, _show, NULL, _addr)
diff --git a/drivers/staging/iio/imu/adis16300_core.c b/drivers/staging/iio/imu/adis16300_core.c
index 9f5f8cb850d..b923eccf7bb 100644
--- a/drivers/staging/iio/imu/adis16300_core.c
+++ b/drivers/staging/iio/imu/adis16300_core.c
@@ -21,6 +21,7 @@
 #include "../iio.h"
 #include "../sysfs.h"
 #include "../accel/accel.h"
+#include "../accel/inclinometer.h"
 #include "../gyro/gyro.h"
 #include "../adc/adc.h"
 
@@ -613,7 +614,7 @@ static IIO_DEV_ATTR_INCLI_Y(adis16300_read_13bit_signed,
 		ADIS16300_YINCLI_OUT);
 static IIO_CONST_ATTR(incli_scale, "0.044 d");
 
-static IIO_DEV_ATTR_TEMP(adis16300_read_12bit_signed);
+static IIO_DEV_ATTR_TEMP_RAW(adis16300_read_12bit_signed);
 static IIO_CONST_ATTR(temp_offset, "198.16 K");
 static IIO_CONST_ATTR(temp_scale, "0.14 K");
 
@@ -645,16 +646,16 @@ static struct attribute *adis16300_attributes[] = {
 	&iio_dev_attr_accel_z_offset.dev_attr.attr,
 	&iio_dev_attr_in_supply_raw.dev_attr.attr,
 	&iio_const_attr_in_supply_scale.dev_attr.attr,
-	&iio_dev_attr_gyro_x.dev_attr.attr,
+	&iio_dev_attr_gyro_x_raw.dev_attr.attr,
 	&iio_const_attr_gyro_scale.dev_attr.attr,
 	&iio_dev_attr_accel_x_raw.dev_attr.attr,
 	&iio_dev_attr_accel_y_raw.dev_attr.attr,
 	&iio_dev_attr_accel_z_raw.dev_attr.attr,
 	&iio_const_attr_accel_scale.dev_attr.attr,
-	&iio_dev_attr_incli_x.dev_attr.attr,
-	&iio_dev_attr_incli_y.dev_attr.attr,
+	&iio_dev_attr_incli_x_raw.dev_attr.attr,
+	&iio_dev_attr_incli_y_raw.dev_attr.attr,
 	&iio_const_attr_incli_scale.dev_attr.attr,
-	&iio_dev_attr_temp.dev_attr.attr,
+	&iio_dev_attr_temp_raw.dev_attr.attr,
 	&iio_const_attr_temp_offset.dev_attr.attr,
 	&iio_const_attr_temp_scale.dev_attr.attr,
 	&iio_dev_attr_in0_raw.dev_attr.attr,
diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c
index 27e4a734807..868c52658a5 100644
--- a/drivers/staging/iio/imu/adis16400_core.c
+++ b/drivers/staging/iio/imu/adis16400_core.c
@@ -626,7 +626,7 @@ static IIO_DEV_ATTR_MAGN_Z(adis16400_read_14bit_signed,
 static IIO_CONST_ATTR(magn_scale, "0.0005 Gs");
 
 
-static IIO_DEV_ATTR_TEMP(adis16400_read_12bit_signed);
+static IIO_DEV_ATTR_TEMP_RAW(adis16400_read_12bit_signed);
 static IIO_CONST_ATTR(temp_offset, "198.16 K");
 static IIO_CONST_ATTR(temp_scale, "0.14 K");
 
@@ -658,19 +658,19 @@ static struct attribute *adis16400_attributes[] = {
 	&iio_dev_attr_accel_z_offset.dev_attr.attr,
 	&iio_dev_attr_in_supply_raw.dev_attr.attr,
 	&iio_const_attr_in_supply_scale.dev_attr.attr,
-	&iio_dev_attr_gyro_x.dev_attr.attr,
-	&iio_dev_attr_gyro_y.dev_attr.attr,
-	&iio_dev_attr_gyro_z.dev_attr.attr,
+	&iio_dev_attr_gyro_x_raw.dev_attr.attr,
+	&iio_dev_attr_gyro_y_raw.dev_attr.attr,
+	&iio_dev_attr_gyro_z_raw.dev_attr.attr,
 	&iio_const_attr_gyro_scale.dev_attr.attr,
 	&iio_dev_attr_accel_x_raw.dev_attr.attr,
 	&iio_dev_attr_accel_y_raw.dev_attr.attr,
 	&iio_dev_attr_accel_z_raw.dev_attr.attr,
 	&iio_const_attr_accel_scale.dev_attr.attr,
-	&iio_dev_attr_magn_x.dev_attr.attr,
-	&iio_dev_attr_magn_y.dev_attr.attr,
-	&iio_dev_attr_magn_z.dev_attr.attr,
+	&iio_dev_attr_magn_x_raw.dev_attr.attr,
+	&iio_dev_attr_magn_y_raw.dev_attr.attr,
+	&iio_dev_attr_magn_z_raw.dev_attr.attr,
 	&iio_const_attr_magn_scale.dev_attr.attr,
-	&iio_dev_attr_temp.dev_attr.attr,
+	&iio_dev_attr_temp_raw.dev_attr.attr,
 	&iio_const_attr_temp_offset.dev_attr.attr,
 	&iio_const_attr_temp_scale.dev_attr.attr,
 	&iio_dev_attr_in0_raw.dev_attr.attr,
diff --git a/drivers/staging/iio/magnetometer/magnet.h b/drivers/staging/iio/magnetometer/magnet.h
index 6f6c6ed91fa..64338301f8d 100644
--- a/drivers/staging/iio/magnetometer/magnet.h
+++ b/drivers/staging/iio/magnetometer/magnet.h
@@ -21,11 +21,11 @@
 #define IIO_DEV_ATTR_MAGN_Z_GAIN(_mode, _show, _store, _addr)		\
 	IIO_DEVICE_ATTR(magn_z_gain, _mode, _show, _store, _addr)
 
-#define IIO_DEV_ATTR_MAGN_X(_show, _addr)			\
-	IIO_DEVICE_ATTR(magn_x, S_IRUGO, _show, NULL, _addr)
+#define IIO_DEV_ATTR_MAGN_X(_show, _addr)				\
+	IIO_DEVICE_ATTR(magn_x_raw, S_IRUGO, _show, NULL, _addr)
 
-#define IIO_DEV_ATTR_MAGN_Y(_show, _addr)			\
-	IIO_DEVICE_ATTR(magn_y, S_IRUGO, _show, NULL, _addr)
+#define IIO_DEV_ATTR_MAGN_Y(_show, _addr)				\
+	IIO_DEVICE_ATTR(magn_y_raw, S_IRUGO, _show, NULL, _addr)
 
-#define IIO_DEV_ATTR_MAGN_Z(_show, _addr)			\
-	IIO_DEVICE_ATTR(magn_z, S_IRUGO, _show, NULL, _addr)
+#define IIO_DEV_ATTR_MAGN_Z(_show, _addr)				\
+	IIO_DEVICE_ATTR(magn_z_raw, S_IRUGO, _show, NULL, _addr)

From 4da54d93abe7bdad6880e27270ad50b6303898b6 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Fri, 7 May 2010 15:38:56 +0100
Subject: [PATCH 1323/3638] staging: iio: adis16300 clean out some unused code

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/imu/adis16300.h      |  9 ---
 drivers/staging/iio/imu/adis16300_core.c | 70 +-----------------------
 2 files changed, 2 insertions(+), 77 deletions(-)

diff --git a/drivers/staging/iio/imu/adis16300.h b/drivers/staging/iio/imu/adis16300.h
index 77d890d1200..1c7ea5c840e 100644
--- a/drivers/staging/iio/imu/adis16300.h
+++ b/drivers/staging/iio/imu/adis16300.h
@@ -115,21 +115,12 @@ struct adis16300_state {
 	struct mutex			buf_lock;
 };
 
-int adis16300_spi_write_reg_8(struct device *dev,
-			      u8 reg_address,
-			      u8 val);
-
 int adis16300_spi_read_burst(struct device *dev, u8 *rx);
 
-int adis16300_spi_read_sequence(struct device *dev,
-				      u8 *tx, u8 *rx, int num);
-
 int adis16300_set_irq(struct device *dev, bool enable);
 
 int adis16300_reset(struct device *dev);
 
-int adis16300_stop_device(struct device *dev);
-
 int adis16300_check_status(struct device *dev);
 
 #ifdef CONFIG_IIO_RING_BUFFER
diff --git a/drivers/staging/iio/imu/adis16300_core.c b/drivers/staging/iio/imu/adis16300_core.c
index b923eccf7bb..5a7e5ef9bc5 100644
--- a/drivers/staging/iio/imu/adis16300_core.c
+++ b/drivers/staging/iio/imu/adis16300_core.c
@@ -40,7 +40,7 @@
  * @reg_address: the address of the register to be written
  * @val: the value to write
  **/
-int adis16300_spi_write_reg_8(struct device *dev,
+static int adis16300_spi_write_reg_8(struct device *dev,
 		u8 reg_address,
 		u8 val)
 {
@@ -202,55 +202,6 @@ int adis16300_spi_read_burst(struct device *dev, u8 *rx)
 	return ret;
 }
 
-/**
- * adis16300_spi_read_sequence() - read a sequence of 16-bit registers
- * @dev: device associated with child of actual device (iio_dev or iio_trig)
- * @tx: register addresses in bytes 0,2,4,6... (min size is 2*num bytes)
- * @rx: somewhere to pass back the value read (min size is 2*num bytes)
- **/
-int adis16300_spi_read_sequence(struct device *dev,
-		u8 *tx, u8 *rx, int num)
-{
-	struct spi_message msg;
-	struct spi_transfer *xfers;
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
-	struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
-	int ret, i;
-
-	xfers = kzalloc(num + 1, GFP_KERNEL);
-	if (xfers == NULL) {
-		dev_err(&st->us->dev, "memory alloc failed");
-		ret = -ENOMEM;
-		goto error_ret;
-	}
-
-	/* tx: |add1|addr2|addr3|...|addrN |zero|
-	 * rx: |zero|res1 |res2 |...|resN-1|resN| */
-	spi_message_init(&msg);
-	for (i = 0; i < num + 1; i++) {
-		if (i > 0)
-			xfers[i].rx_buf = st->rx + 2*(i - 1);
-		if (i < num)
-			xfers[i].tx_buf = st->tx + 2*i;
-		xfers[i].bits_per_word = 8;
-		xfers[i].len = 2;
-		xfers[i].cs_change = 1;
-		spi_message_add_tail(&xfers[i], &msg);
-	}
-
-	mutex_lock(&st->buf_lock);
-
-	ret = spi_sync(st->us, &msg);
-	if (ret)
-		dev_err(&st->us->dev, "problem when reading sequence");
-
-	mutex_unlock(&st->buf_lock);
-	kfree(xfers);
-
-error_ret:
-	return ret;
-}
-
 static ssize_t adis16300_spi_read_signed(struct device *dev,
 		struct device_attribute *attr,
 		char *buf,
@@ -458,7 +409,7 @@ int adis16300_reset(struct device *dev)
 }
 
 /* Power down the device */
-int adis16300_stop_device(struct device *dev)
+static int adis16300_stop_device(struct device *dev)
 {
 	int ret;
 	u16 val = ADIS16300_SLP_CNT_POWER_OFF;
@@ -470,23 +421,6 @@ int adis16300_stop_device(struct device *dev)
 	return ret;
 }
 
-int adis16300_self_test(struct device *dev)
-{
-	int ret;
-	ret = adis16300_spi_write_reg_16(dev,
-			ADIS16300_MSC_CTRL,
-			ADIS16300_MSC_CTRL_MEM_TEST);
-	if (ret) {
-		dev_err(dev, "problem starting self test");
-		goto err_ret;
-	}
-
-	adis16300_check_status(dev);
-
-err_ret:
-	return ret;
-}
-
 int adis16300_check_status(struct device *dev)
 {
 	u16 status;

From e5107fb87018c8fc6b7376c4669dc877ab65db47 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Fri, 7 May 2010 15:38:57 +0100
Subject: [PATCH 1324/3638] staging: iio: Documentation update to add incli and
 switch to magn

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/Documentation/sysfs-class-iio | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/iio/Documentation/sysfs-class-iio b/drivers/staging/iio/Documentation/sysfs-class-iio
index ff19f6e22e3..714b4c57c82 100644
--- a/drivers/staging/iio/Documentation/sysfs-class-iio
+++ b/drivers/staging/iio/Documentation/sysfs-class-iio
@@ -143,7 +143,16 @@ Description:
 		Data converted by application of offset then scale to
 		radians per second. Has all the equivalent parameters as per in[m].
 
-What:		/sys/.../device[n]/mag[_x|_y|_z][m]_raw
+What:		/sys/.../device[n]/incli[_x|_y|_z][m]_raw
+KernelVersion:	2.6.35
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Inclination raw reading about axis x, y or z (may be arbitarily
+		assigned) channel m (not present if only one inclinometer at
+		this orientation).  Data converted by application of offset
+		and scale to Degrees.
+
+What:		/sys/.../device[n]/magn[_x|_y|_z][m]_raw
 KernelVersion:	2.6.35
 Contact:	linux-iio@vger.kernel.org
 Description:

From b155498b1842090f2cf5164908deaa0762a9a8b1 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Fri, 7 May 2010 15:38:58 +0100
Subject: [PATCH 1325/3638] staging: iio: adis16400 clean out some unused code

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/imu/adis16400.h      |  9 ----
 drivers/staging/iio/imu/adis16400_core.c | 55 ++----------------------
 2 files changed, 3 insertions(+), 61 deletions(-)

diff --git a/drivers/staging/iio/imu/adis16400.h b/drivers/staging/iio/imu/adis16400.h
index a8062f60579..5a69a7ab91c 100644
--- a/drivers/staging/iio/imu/adis16400.h
+++ b/drivers/staging/iio/imu/adis16400.h
@@ -147,21 +147,12 @@ struct adis16400_state {
 	struct mutex			buf_lock;
 };
 
-int adis16400_spi_write_reg_8(struct device *dev,
-			      u8 reg_address,
-			      u8 val);
-
 int adis16400_spi_read_burst(struct device *dev, u8 *rx);
 
-int adis16400_spi_read_sequence(struct device *dev,
-				      u8 *tx, u8 *rx, int num);
-
 int adis16400_set_irq(struct device *dev, bool enable);
 
 int adis16400_reset(struct device *dev);
 
-int adis16400_stop_device(struct device *dev);
-
 int adis16400_check_status(struct device *dev);
 
 #ifdef CONFIG_IIO_RING_BUFFER
diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c
index 868c52658a5..e69e2ce47da 100644
--- a/drivers/staging/iio/imu/adis16400_core.c
+++ b/drivers/staging/iio/imu/adis16400_core.c
@@ -47,7 +47,7 @@
  * @reg_address: the address of the register to be written
  * @val: the value to write
  **/
-int adis16400_spi_write_reg_8(struct device *dev,
+static int adis16400_spi_write_reg_8(struct device *dev,
 		u8 reg_address,
 		u8 val)
 {
@@ -209,55 +209,6 @@ int adis16400_spi_read_burst(struct device *dev, u8 *rx)
 	return ret;
 }
 
-/**
- * adis16400_spi_read_sequence() - read a sequence of 16-bit registers
- * @dev: device associated with child of actual device (iio_dev or iio_trig)
- * @tx: register addresses in bytes 0,2,4,6... (min size is 2*num bytes)
- * @rx: somewhere to pass back the value read (min size is 2*num bytes)
- **/
-int adis16400_spi_read_sequence(struct device *dev,
-		u8 *tx, u8 *rx, int num)
-{
-	struct spi_message msg;
-	struct spi_transfer *xfers;
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
-	struct adis16400_state *st = iio_dev_get_devdata(indio_dev);
-	int ret, i;
-
-	xfers = kzalloc(num + 1, GFP_KERNEL);
-	if (xfers == NULL) {
-		dev_err(&st->us->dev, "memory alloc failed");
-		ret = -ENOMEM;
-		goto error_ret;
-	}
-
-	/* tx: |add1|addr2|addr3|...|addrN |zero|
-	 * rx: |zero|res1 |res2 |...|resN-1|resN| */
-	spi_message_init(&msg);
-	for (i = 0; i < num + 1; i++) {
-		if (i > 0)
-			xfers[i].rx_buf = st->rx + 2*(i - 1);
-		if (i < num)
-			xfers[i].tx_buf = st->tx + 2*i;
-		xfers[i].bits_per_word = 8;
-		xfers[i].len = 2;
-		xfers[i].cs_change = 1;
-		spi_message_add_tail(&xfers[i], &msg);
-	}
-
-	mutex_lock(&st->buf_lock);
-
-	ret = spi_sync(st->us, &msg);
-	if (ret)
-		dev_err(&st->us->dev, "problem when reading sequence");
-
-	mutex_unlock(&st->buf_lock);
-	kfree(xfers);
-
-error_ret:
-	return ret;
-}
-
 static ssize_t adis16400_spi_read_signed(struct device *dev,
 		struct device_attribute *attr,
 		char *buf,
@@ -450,7 +401,7 @@ int adis16400_reset(struct device *dev)
 }
 
 /* Power down the device */
-int adis16400_stop_device(struct device *dev)
+static int adis16400_stop_device(struct device *dev)
 {
 	int ret;
 	u16 val = ADIS16400_SLP_CNT_POWER_OFF;
@@ -462,7 +413,7 @@ int adis16400_stop_device(struct device *dev)
 	return ret;
 }
 
-int adis16400_self_test(struct device *dev)
+static int adis16400_self_test(struct device *dev)
 {
 	int ret;
 	ret = adis16400_spi_write_reg_16(dev,

From 671ece14bc58a88dea76b11c5745a09c33934663 Mon Sep 17 00:00:00 2001
From: Barry Song <Barry.Song@analog.com>
Date: Fri, 7 May 2010 15:38:59 +0100
Subject: [PATCH 1326/3638] staging: iio: adis16209 driver

Signed-off-by: Barry Song <Barry.Song@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/Kconfig             |   9 +
 drivers/staging/iio/accel/Makefile            |   4 +
 drivers/staging/iio/accel/adis16209.h         | 193 ++++++
 drivers/staging/iio/accel/adis16209_core.c    | 615 ++++++++++++++++++
 drivers/staging/iio/accel/adis16209_ring.c    | 266 ++++++++
 drivers/staging/iio/accel/adis16209_trigger.c | 124 ++++
 6 files changed, 1211 insertions(+)
 create mode 100644 drivers/staging/iio/accel/adis16209.h
 create mode 100644 drivers/staging/iio/accel/adis16209_core.c
 create mode 100644 drivers/staging/iio/accel/adis16209_ring.c
 create mode 100644 drivers/staging/iio/accel/adis16209_trigger.c

diff --git a/drivers/staging/iio/accel/Kconfig b/drivers/staging/iio/accel/Kconfig
index 3d3c3339dbc..1d89e2153dd 100644
--- a/drivers/staging/iio/accel/Kconfig
+++ b/drivers/staging/iio/accel/Kconfig
@@ -3,6 +3,15 @@
 #
 comment "Accelerometers"
 
+config ADIS16209
+       tristate "Analog Devices ADIS16209 Dual-Axis Digital Inclinometer and Accelerometer"
+       depends on SPI
+       select IIO_TRIGGER if IIO_RING_BUFFER
+       select IIO_SW_RING if IIO_RING_BUFFER
+       help
+         Say yes here to build support for Analog Devices adis16209 dual-axis digital inclinometer
+	 and accelerometer.
+
 config KXSD9
 	tristate "Kionix KXSD9 Accelerometer Driver"
 	depends on SPI
diff --git a/drivers/staging/iio/accel/Makefile b/drivers/staging/iio/accel/Makefile
index d5335f9094a..f8f2124720e 100644
--- a/drivers/staging/iio/accel/Makefile
+++ b/drivers/staging/iio/accel/Makefile
@@ -1,6 +1,10 @@
 #
 # Makefile for industrial I/O accelerometer drivers
 #
+adis16209-y             := adis16209_core.o
+adis16209-$(CONFIG_IIO_RING_BUFFER) += adis16209_ring.o adis16209_trigger.o
+obj-$(CONFIG_ADIS16209) += adis16209.o
+
 obj-$(CONFIG_KXSD9)	+= kxsd9.o
 
 lis3l02dq-y		:= lis3l02dq_core.o
diff --git a/drivers/staging/iio/accel/adis16209.h b/drivers/staging/iio/accel/adis16209.h
new file mode 100644
index 00000000000..877fd2a4838
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16209.h
@@ -0,0 +1,193 @@
+#ifndef SPI_ADIS16209_H_
+#define SPI_ADIS16209_H_
+
+#define ADIS16209_STARTUP_DELAY	220 /* ms */
+
+#define ADIS16209_READ_REG(a)    a
+#define ADIS16209_WRITE_REG(a) ((a) | 0x80)
+
+/* Flash memory write count */
+#define ADIS16209_FLASH_CNT      0x00
+/* Output, power supply */
+#define ADIS16209_SUPPLY_OUT     0x02
+/* Output, x-axis accelerometer */
+#define ADIS16209_XACCL_OUT      0x04
+/* Output, y-axis accelerometer */
+#define ADIS16209_YACCL_OUT      0x06
+/* Output, auxiliary ADC input */
+#define ADIS16209_AUX_ADC        0x08
+/* Output, temperature */
+#define ADIS16209_TEMP_OUT       0x0A
+/* Output, x-axis inclination */
+#define ADIS16209_XINCL_OUT      0x0C
+/* Output, y-axis inclination */
+#define ADIS16209_YINCL_OUT      0x0E
+/* Output, +/-180 vertical rotational position */
+#define ADIS16209_ROT_OUT        0x10
+/* Calibration, x-axis acceleration offset null */
+#define ADIS16209_XACCL_NULL     0x12
+/* Calibration, y-axis acceleration offset null */
+#define ADIS16209_YACCL_NULL     0x14
+/* Calibration, x-axis inclination offset null */
+#define ADIS16209_XINCL_NULL     0x16
+/* Calibration, y-axis inclination offset null */
+#define ADIS16209_YINCL_NULL     0x18
+/* Calibration, vertical rotation offset null */
+#define ADIS16209_ROT_NULL       0x1A
+/* Alarm 1 amplitude threshold */
+#define ADIS16209_ALM_MAG1       0x20
+/* Alarm 2 amplitude threshold */
+#define ADIS16209_ALM_MAG2       0x22
+/* Alarm 1, sample period */
+#define ADIS16209_ALM_SMPL1      0x24
+/* Alarm 2, sample period */
+#define ADIS16209_ALM_SMPL2      0x26
+/* Alarm control */
+#define ADIS16209_ALM_CTRL       0x28
+/* Auxiliary DAC data */
+#define ADIS16209_AUX_DAC        0x30
+/* General-purpose digital input/output control */
+#define ADIS16209_GPIO_CTRL      0x32
+/* Miscellaneous control */
+#define ADIS16209_MSC_CTRL       0x34
+/* Internal sample period (rate) control */
+#define ADIS16209_SMPL_PRD       0x36
+/* Operation, filter configuration */
+#define ADIS16209_AVG_CNT        0x38
+/* Operation, sleep mode control */
+#define ADIS16209_SLP_CNT        0x3A
+/* Diagnostics, system status register */
+#define ADIS16209_DIAG_STAT      0x3C
+/* Operation, system command register */
+#define ADIS16209_GLOB_CMD       0x3E
+
+#define ADIS16209_OUTPUTS        8
+
+/* MSC_CTRL */
+/* Self-test at power-on: 1 = disabled, 0 = enabled */
+#define ADIS16209_MSC_CTRL_PWRUP_SELF_TEST	(1 << 10)
+/* Self-test enable */
+#define ADIS16209_MSC_CTRL_SELF_TEST_EN	        (1 << 8)
+/* Data-ready enable: 1 = enabled, 0 = disabled */
+#define ADIS16209_MSC_CTRL_DATA_RDY_EN	        (1 << 2)
+/* Data-ready polarity: 1 = active high, 0 = active low */
+#define ADIS16209_MSC_CTRL_ACTIVE_HIGH	        (1 << 1)
+/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
+#define ADIS16209_MSC_CTRL_DATA_RDY_DIO2	(1 << 0)
+
+/* DIAG_STAT */
+/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16209_DIAG_STAT_ALARM2        (1<<9)
+/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16209_DIAG_STAT_ALARM1        (1<<8)
+/* Self-test diagnostic error flag: 1 = error condition, 0 = normal operation */
+#define ADIS16209_DIAG_STAT_SELFTEST_FAIL (1<<5)
+/* SPI communications failure */
+#define ADIS16209_DIAG_STAT_SPI_FAIL	  (1<<3)
+/* Flash update failure */
+#define ADIS16209_DIAG_STAT_FLASH_UPT	  (1<<2)
+/* Power supply above 3.625 V */
+#define ADIS16209_DIAG_STAT_POWER_HIGH	  (1<<1)
+/* Power supply below 3.15 V */
+#define ADIS16209_DIAG_STAT_POWER_LOW	  (1<<0)
+
+/* GLOB_CMD */
+#define ADIS16209_GLOB_CMD_SW_RESET	(1<<7)
+#define ADIS16209_GLOB_CMD_CLEAR_STAT	(1<<4)
+#define ADIS16209_GLOB_CMD_FACTORY_CAL	(1<<1)
+
+#define ADIS16209_MAX_TX 24
+#define ADIS16209_MAX_RX 24
+
+#define ADIS16209_ERROR_ACTIVE          (1<<14)
+
+/**
+ * struct adis16209_state - device instance specific data
+ * @us:			actual spi_device
+ * @work_trigger_to_ring: bh for triggered event handling
+ * @work_cont_thresh: CLEAN
+ * @inter:		used to check if new interrupt has been triggered
+ * @last_timestamp:	passing timestamp from th to bh of interrupt handler
+ * @indio_dev:		industrial I/O device structure
+ * @trig:		data ready trigger registered with iio
+ * @tx:			transmit buffer
+ * @rx:			recieve buffer
+ * @buf_lock:		mutex to protect tx and rx
+ **/
+struct adis16209_state {
+	struct spi_device		*us;
+	struct work_struct		work_trigger_to_ring;
+	struct iio_work_cont		work_cont_thresh;
+	s64				last_timestamp;
+	struct iio_dev			*indio_dev;
+	struct iio_trigger		*trig;
+	u8				*tx;
+	u8				*rx;
+	struct mutex			buf_lock;
+};
+
+int adis16209_set_irq(struct device *dev, bool enable);
+
+#ifdef CONFIG_IIO_RING_BUFFER
+enum adis16209_scan {
+	ADIS16209_SCAN_SUPPLY,
+	ADIS16209_SCAN_ACC_X,
+	ADIS16209_SCAN_ACC_Y,
+	ADIS16209_SCAN_AUX_ADC,
+	ADIS16209_SCAN_TEMP,
+	ADIS16209_SCAN_INCLI_X,
+	ADIS16209_SCAN_INCLI_Y,
+	ADIS16209_SCAN_ROT,
+};
+
+void adis16209_remove_trigger(struct iio_dev *indio_dev);
+int adis16209_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t adis16209_read_data_from_ring(struct device *dev,
+				      struct device_attribute *attr,
+				      char *buf);
+
+int adis16209_configure_ring(struct iio_dev *indio_dev);
+void adis16209_unconfigure_ring(struct iio_dev *indio_dev);
+
+int adis16209_initialize_ring(struct iio_ring_buffer *ring);
+void adis16209_uninitialize_ring(struct iio_ring_buffer *ring);
+#else /* CONFIG_IIO_RING_BUFFER */
+
+static inline void adis16209_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16209_probe_trigger(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline ssize_t
+adis16209_read_data_from_ring(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	return 0;
+}
+
+static int adis16209_configure_ring(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline void adis16209_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16209_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return 0;
+}
+
+static inline void adis16209_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+}
+
+#endif /* CONFIG_IIO_RING_BUFFER */
+#endif /* SPI_ADIS16209_H_ */
diff --git a/drivers/staging/iio/accel/adis16209_core.c b/drivers/staging/iio/accel/adis16209_core.c
new file mode 100644
index 00000000000..ac375c50f56
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16209_core.c
@@ -0,0 +1,615 @@
+/*
+ * ADIS16209 Programmable Digital Vibration Sensor driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "accel.h"
+#include "inclinometer.h"
+#include "../gyro/gyro.h"
+#include "../adc/adc.h"
+
+#include "adis16209.h"
+
+#define DRIVER_NAME		"adis16209"
+
+static int adis16209_check_status(struct device *dev);
+
+/**
+ * adis16209_spi_write_reg_8() - write single byte to a register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the register to be written
+ * @val: the value to write
+ **/
+static int adis16209_spi_write_reg_8(struct device *dev,
+		u8 reg_address,
+		u8 val)
+{
+	int ret;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16209_state *st = iio_dev_get_devdata(indio_dev);
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16209_WRITE_REG(reg_address);
+	st->tx[1] = val;
+
+	ret = spi_write(st->us, st->tx, 2);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16209_spi_write_reg_16() - write 2 bytes to a pair of registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: value to be written
+ **/
+static int adis16209_spi_write_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 value)
+{
+	int ret;
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16209_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+		}, {
+			.tx_buf = st->tx + 2,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16209_WRITE_REG(lower_reg_address);
+	st->tx[1] = value & 0xFF;
+	st->tx[2] = ADIS16209_WRITE_REG(lower_reg_address + 1);
+	st->tx[3] = (value >> 8) & 0xFF;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16209_spi_read_reg_16() - read 2 bytes from a 16-bit register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: somewhere to pass back the value read
+ **/
+static int adis16209_spi_read_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 *val)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16209_state *st = iio_dev_get_devdata(indio_dev);
+	int ret;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 20,
+		}, {
+			.rx_buf = st->rx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 20,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16209_READ_REG(lower_reg_address);
+	st->tx[1] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	if (ret) {
+		dev_err(&st->us->dev,
+			"problem when reading 16 bit register 0x%02X",
+			lower_reg_address);
+		goto error_ret;
+	}
+	*val = (st->rx[0] << 8) | st->rx[1];
+
+error_ret:
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+static ssize_t adis16209_read_12bit_unsigned(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret;
+	u16 val = 0;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16209_spi_read_reg_16(dev, this_attr->address, &val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16209_ERROR_ACTIVE)
+		adis16209_check_status(dev);
+
+	return sprintf(buf, "%u\n", val & 0x0FFF);
+}
+
+static ssize_t adis16209_read_14bit_unsigned(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret;
+	u16 val = 0;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16209_spi_read_reg_16(dev, this_attr->address, &val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16209_ERROR_ACTIVE)
+		adis16209_check_status(dev);
+
+	return sprintf(buf, "%u\n", val & 0x3FFF);
+}
+
+static ssize_t adis16209_read_temp(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+	u16 val;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+
+	ret = adis16209_spi_read_reg_16(dev, ADIS16209_TEMP_OUT, (u16 *)&val);
+	if (ret)
+		goto error_ret;
+
+	if (val & ADIS16209_ERROR_ACTIVE)
+		adis16209_check_status(dev);
+
+	val &= 0xFFF;
+	ret = sprintf(buf, "%d\n", val);
+
+error_ret:
+	mutex_unlock(&indio_dev->mlock);
+	return ret;
+}
+
+static ssize_t adis16209_read_14bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	s16 val = 0;
+	ssize_t ret;
+
+	mutex_lock(&indio_dev->mlock);
+
+	ret = adis16209_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
+	if (!ret) {
+		if (val & ADIS16209_ERROR_ACTIVE)
+			adis16209_check_status(dev);
+
+		val = ((s16)(val << 2) >> 2);
+		ret = sprintf(buf, "%d\n", val);
+	}
+
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16209_write_16bit(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	int ret;
+	long val;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		goto error_ret;
+	ret = adis16209_spi_write_reg_16(dev, this_attr->address, val);
+
+error_ret:
+	return ret ? ret : len;
+}
+
+static int adis16209_reset(struct device *dev)
+{
+	int ret;
+	ret = adis16209_spi_write_reg_8(dev,
+			ADIS16209_GLOB_CMD,
+			ADIS16209_GLOB_CMD_SW_RESET);
+	if (ret)
+		dev_err(dev, "problem resetting device");
+
+	return ret;
+}
+
+static ssize_t adis16209_write_reset(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t len)
+{
+	if (len < 1)
+		return -EINVAL;
+	switch (buf[0]) {
+	case '1':
+	case 'y':
+	case 'Y':
+		return adis16209_reset(dev);
+	}
+	return -EINVAL;
+}
+
+int adis16209_set_irq(struct device *dev, bool enable)
+{
+	int ret = 0;
+	u16 msc;
+
+	ret = adis16209_spi_read_reg_16(dev, ADIS16209_MSC_CTRL, &msc);
+	if (ret)
+		goto error_ret;
+
+	msc |= ADIS16209_MSC_CTRL_ACTIVE_HIGH;
+	msc &= ~ADIS16209_MSC_CTRL_DATA_RDY_DIO2;
+	if (enable)
+		msc |= ADIS16209_MSC_CTRL_DATA_RDY_EN;
+	else
+		msc &= ~ADIS16209_MSC_CTRL_DATA_RDY_EN;
+
+	ret = adis16209_spi_write_reg_16(dev, ADIS16209_MSC_CTRL, msc);
+
+error_ret:
+	return ret;
+}
+
+static int adis16209_check_status(struct device *dev)
+{
+	u16 status;
+	int ret;
+
+	ret = adis16209_spi_read_reg_16(dev, ADIS16209_DIAG_STAT, &status);
+	if (ret < 0) {
+		dev_err(dev, "Reading status failed\n");
+		goto error_ret;
+	}
+	ret = status & 0x1F;
+
+	if (status & ADIS16209_DIAG_STAT_SELFTEST_FAIL)
+		dev_err(dev, "Self test failure\n");
+	if (status & ADIS16209_DIAG_STAT_SPI_FAIL)
+		dev_err(dev, "SPI failure\n");
+	if (status & ADIS16209_DIAG_STAT_FLASH_UPT)
+		dev_err(dev, "Flash update failed\n");
+	if (status & ADIS16209_DIAG_STAT_POWER_HIGH)
+		dev_err(dev, "Power supply above 3.625V\n");
+	if (status & ADIS16209_DIAG_STAT_POWER_LOW)
+		dev_err(dev, "Power supply below 3.15V\n");
+
+error_ret:
+	return ret;
+}
+
+static int adis16209_self_test(struct device *dev)
+{
+	int ret;
+	ret = adis16209_spi_write_reg_16(dev,
+			ADIS16209_MSC_CTRL,
+			ADIS16209_MSC_CTRL_SELF_TEST_EN);
+	if (ret) {
+		dev_err(dev, "problem starting self test");
+		goto err_ret;
+	}
+
+	adis16209_check_status(dev);
+
+err_ret:
+	return ret;
+}
+
+static int adis16209_initial_setup(struct adis16209_state *st)
+{
+	int ret;
+	struct device *dev = &st->indio_dev->dev;
+
+	/* Disable IRQ */
+	ret = adis16209_set_irq(dev, false);
+	if (ret) {
+		dev_err(dev, "disable irq failed");
+		goto err_ret;
+	}
+
+	/* Do self test */
+	ret = adis16209_self_test(dev);
+	if (ret) {
+		dev_err(dev, "self test failure");
+		goto err_ret;
+	}
+
+	/* Read status register to check the result */
+	ret = adis16209_check_status(dev);
+	if (ret) {
+		adis16209_reset(dev);
+		dev_err(dev, "device not playing ball -> reset");
+		msleep(ADIS16209_STARTUP_DELAY);
+		ret = adis16209_check_status(dev);
+		if (ret) {
+			dev_err(dev, "giving up");
+			goto err_ret;
+		}
+	}
+
+	printk(KERN_INFO DRIVER_NAME ": at CS%d (irq %d)\n",
+			st->us->chip_select, st->us->irq);
+
+err_ret:
+	return ret;
+}
+
+static IIO_DEV_ATTR_IN_NAMED_RAW(supply, adis16209_read_14bit_unsigned,
+		ADIS16209_SUPPLY_OUT);
+static IIO_CONST_ATTR(in_supply_scale, "0.30518");
+static IIO_DEV_ATTR_IN_RAW(0, adis16209_read_12bit_unsigned,
+		ADIS16209_AUX_ADC);
+static IIO_CONST_ATTR(in0_scale, "0.6105");
+
+static IIO_DEV_ATTR_ACCEL_X(adis16209_read_14bit_signed,
+		ADIS16209_XACCL_OUT);
+static IIO_DEV_ATTR_ACCEL_Y(adis16209_read_14bit_signed,
+		ADIS16209_YACCL_OUT);
+static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO,
+		adis16209_read_14bit_signed,
+		adis16209_write_16bit,
+		ADIS16209_XACCL_NULL);
+static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO,
+		adis16209_read_14bit_signed,
+		adis16209_write_16bit,
+		ADIS16209_YACCL_NULL);
+static IIO_CONST_ATTR(accel_scale, "0.24414");
+
+static IIO_DEV_ATTR_INCLI_X(adis16209_read_14bit_signed,
+		ADIS16209_XINCL_OUT);
+static IIO_DEV_ATTR_INCLI_Y(adis16209_read_14bit_signed,
+		ADIS16209_YINCL_OUT);
+static IIO_DEV_ATTR_INCLI_X_OFFSET(S_IWUSR | S_IRUGO,
+		adis16209_read_14bit_signed,
+		adis16209_write_16bit,
+		ADIS16209_XACCL_NULL);
+static IIO_DEV_ATTR_INCLI_Y_OFFSET(S_IWUSR | S_IRUGO,
+		adis16209_read_14bit_signed,
+		adis16209_write_16bit,
+		ADIS16209_YACCL_NULL);
+static IIO_CONST_ATTR(incli_scale, "0.025");
+
+static IIO_DEVICE_ATTR(rot_raw, S_IRUGO, adis16209_read_14bit_signed,
+		       NULL, ADIS16209_ROT_OUT);
+
+static IIO_DEV_ATTR_TEMP(adis16209_read_temp);
+static IIO_CONST_ATTR(temp_offset, "25");
+static IIO_CONST_ATTR(temp_scale, "-0.47");
+
+static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16209_write_reset, 0);
+
+static IIO_CONST_ATTR(name, "adis16209");
+
+static struct attribute *adis16209_event_attributes[] = {
+	NULL
+};
+
+static struct attribute_group adis16209_event_attribute_group = {
+	.attrs = adis16209_event_attributes,
+};
+
+static struct attribute *adis16209_attributes[] = {
+	&iio_dev_attr_in_supply_raw.dev_attr.attr,
+	&iio_const_attr_in_supply_scale.dev_attr.attr,
+	&iio_dev_attr_temp.dev_attr.attr,
+	&iio_const_attr_temp_offset.dev_attr.attr,
+	&iio_const_attr_temp_scale.dev_attr.attr,
+	&iio_dev_attr_reset.dev_attr.attr,
+	&iio_const_attr_name.dev_attr.attr,
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_const_attr_in0_scale.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_x_offset.dev_attr.attr,
+	&iio_dev_attr_accel_y_offset.dev_attr.attr,
+	&iio_const_attr_accel_scale.dev_attr.attr,
+	&iio_dev_attr_incli_x_raw.dev_attr.attr,
+	&iio_dev_attr_incli_y_raw.dev_attr.attr,
+	&iio_dev_attr_incli_x_offset.dev_attr.attr,
+	&iio_dev_attr_incli_y_offset.dev_attr.attr,
+	&iio_const_attr_incli_scale.dev_attr.attr,
+	&iio_dev_attr_rot_raw.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group adis16209_attribute_group = {
+	.attrs = adis16209_attributes,
+};
+
+static int __devinit adis16209_probe(struct spi_device *spi)
+{
+	int ret, regdone = 0;
+	struct adis16209_state *st = kzalloc(sizeof *st, GFP_KERNEL);
+	if (!st) {
+		ret =  -ENOMEM;
+		goto error_ret;
+	}
+	/* this is only used for removal purposes */
+	spi_set_drvdata(spi, st);
+
+	/* Allocate the comms buffers */
+	st->rx = kzalloc(sizeof(*st->rx)*ADIS16209_MAX_RX, GFP_KERNEL);
+	if (st->rx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_st;
+	}
+	st->tx = kzalloc(sizeof(*st->tx)*ADIS16209_MAX_TX, GFP_KERNEL);
+	if (st->tx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_rx;
+	}
+	st->us = spi;
+	mutex_init(&st->buf_lock);
+	/* setup the industrialio driver allocated elements */
+	st->indio_dev = iio_allocate_device();
+	if (st->indio_dev == NULL) {
+		ret = -ENOMEM;
+		goto error_free_tx;
+	}
+
+	st->indio_dev->dev.parent = &spi->dev;
+	st->indio_dev->num_interrupt_lines = 1;
+	st->indio_dev->event_attrs = &adis16209_event_attribute_group;
+	st->indio_dev->attrs = &adis16209_attribute_group;
+	st->indio_dev->dev_data = (void *)(st);
+	st->indio_dev->driver_module = THIS_MODULE;
+	st->indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = adis16209_configure_ring(st->indio_dev);
+	if (ret)
+		goto error_free_dev;
+
+	ret = iio_device_register(st->indio_dev);
+	if (ret)
+		goto error_unreg_ring_funcs;
+	regdone = 1;
+
+	ret = adis16209_initialize_ring(st->indio_dev->ring);
+	if (ret) {
+		printk(KERN_ERR "failed to initialize the ring\n");
+		goto error_unreg_ring_funcs;
+	}
+
+	if (spi->irq) {
+		ret = iio_register_interrupt_line(spi->irq,
+				st->indio_dev,
+				0,
+				IRQF_TRIGGER_RISING,
+				"adis16209");
+		if (ret)
+			goto error_uninitialize_ring;
+
+		ret = adis16209_probe_trigger(st->indio_dev);
+		if (ret)
+			goto error_unregister_line;
+	}
+
+	/* Get the device into a sane initial state */
+	ret = adis16209_initial_setup(st);
+	if (ret)
+		goto error_remove_trigger;
+	return 0;
+
+error_remove_trigger:
+	adis16209_remove_trigger(st->indio_dev);
+error_unregister_line:
+	if (spi->irq)
+		iio_unregister_interrupt_line(st->indio_dev, 0);
+error_uninitialize_ring:
+	adis16209_uninitialize_ring(st->indio_dev->ring);
+error_unreg_ring_funcs:
+	adis16209_unconfigure_ring(st->indio_dev);
+error_free_dev:
+	if (regdone)
+		iio_device_unregister(st->indio_dev);
+	else
+		iio_free_device(st->indio_dev);
+error_free_tx:
+	kfree(st->tx);
+error_free_rx:
+	kfree(st->rx);
+error_free_st:
+	kfree(st);
+error_ret:
+	return ret;
+}
+
+static int adis16209_remove(struct spi_device *spi)
+{
+	struct adis16209_state *st = spi_get_drvdata(spi);
+	struct iio_dev *indio_dev = st->indio_dev;
+
+	flush_scheduled_work();
+
+	adis16209_remove_trigger(indio_dev);
+	if (spi->irq)
+		iio_unregister_interrupt_line(indio_dev, 0);
+
+	adis16209_uninitialize_ring(indio_dev->ring);
+	iio_device_unregister(indio_dev);
+	adis16209_unconfigure_ring(indio_dev);
+	kfree(st->tx);
+	kfree(st->rx);
+	kfree(st);
+
+	return 0;
+}
+
+static struct spi_driver adis16209_driver = {
+	.driver = {
+		.name = "adis16209",
+		.owner = THIS_MODULE,
+	},
+	.probe = adis16209_probe,
+	.remove = __devexit_p(adis16209_remove),
+};
+
+static __init int adis16209_init(void)
+{
+	return spi_register_driver(&adis16209_driver);
+}
+module_init(adis16209_init);
+
+static __exit void adis16209_exit(void)
+{
+	spi_unregister_driver(&adis16209_driver);
+}
+module_exit(adis16209_exit);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16209 Digital Vibration Sensor driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/accel/adis16209_ring.c b/drivers/staging/iio/accel/adis16209_ring.c
new file mode 100644
index 00000000000..533e2857491
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16209_ring.c
@@ -0,0 +1,266 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../ring_sw.h"
+#include "accel.h"
+#include "../trigger.h"
+#include "adis16209.h"
+
+/**
+ * combine_8_to_16() utility function to munge to u8s into u16
+ **/
+static inline u16 combine_8_to_16(u8 lower, u8 upper)
+{
+	u16 _lower = lower;
+	u16 _upper = upper;
+	return _lower | (_upper << 8);
+}
+
+static IIO_SCAN_EL_C(supply, ADIS16209_SCAN_SUPPLY, IIO_UNSIGNED(14),
+		     ADIS16209_SUPPLY_OUT, NULL);
+static IIO_SCAN_EL_C(accel_x, ADIS16209_SCAN_ACC_X, IIO_SIGNED(14),
+		     ADIS16209_XACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_y, ADIS16209_SCAN_ACC_Y, IIO_SIGNED(14),
+		     ADIS16209_YACCL_OUT, NULL);
+static IIO_SCAN_EL_C(aux_adc, ADIS16209_SCAN_AUX_ADC, IIO_UNSIGNED(12),
+		     ADIS16209_AUX_ADC, NULL);
+static IIO_SCAN_EL_C(temp, ADIS16209_SCAN_TEMP, IIO_UNSIGNED(12),
+		     ADIS16209_TEMP_OUT, NULL);
+static IIO_SCAN_EL_C(incli_x, ADIS16209_SCAN_INCLI_X, IIO_SIGNED(14),
+		     ADIS16209_XINCL_OUT, NULL);
+static IIO_SCAN_EL_C(incli_y, ADIS16209_SCAN_INCLI_Y, IIO_SIGNED(14),
+		     ADIS16209_YINCL_OUT, NULL);
+static IIO_SCAN_EL_C(rot, ADIS16209_SCAN_ROT, IIO_SIGNED(14),
+		     ADIS16209_ROT_OUT, NULL);
+
+static IIO_SCAN_EL_TIMESTAMP(8);
+
+static struct attribute *adis16209_scan_el_attrs[] = {
+	&iio_scan_el_supply.dev_attr.attr,
+	&iio_scan_el_accel_x.dev_attr.attr,
+	&iio_scan_el_accel_y.dev_attr.attr,
+	&iio_scan_el_aux_adc.dev_attr.attr,
+	&iio_scan_el_temp.dev_attr.attr,
+	&iio_scan_el_incli_x.dev_attr.attr,
+	&iio_scan_el_incli_y.dev_attr.attr,
+	&iio_scan_el_rot.dev_attr.attr,
+	&iio_scan_el_timestamp.dev_attr.attr,
+	NULL,
+};
+
+static struct attribute_group adis16209_scan_el_group = {
+	.attrs = adis16209_scan_el_attrs,
+	.name = "scan_elements",
+};
+
+/**
+ * adis16209_poll_func_th() top half interrupt handler called by trigger
+ * @private_data:	iio_dev
+ **/
+static void adis16209_poll_func_th(struct iio_dev *indio_dev)
+{
+	struct adis16209_state *st = iio_dev_get_devdata(indio_dev);
+	st->last_timestamp = indio_dev->trig->timestamp;
+	schedule_work(&st->work_trigger_to_ring);
+}
+
+/**
+ * adis16209_read_ring_data() read data registers which will be placed into ring
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @rx: somewhere to pass back the value read
+ **/
+static int adis16209_read_ring_data(struct device *dev, u8 *rx)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16209_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[ADIS16209_OUTPUTS + 1];
+	int ret;
+	int i;
+
+	mutex_lock(&st->buf_lock);
+
+	spi_message_init(&msg);
+
+	memset(xfers, 0, sizeof(xfers));
+	for (i = 0; i <= ADIS16209_OUTPUTS; i++) {
+		xfers[i].bits_per_word = 8;
+		xfers[i].cs_change = 1;
+		xfers[i].len = 2;
+		xfers[i].delay_usecs = 20;
+		xfers[i].tx_buf = st->tx + 2 * i;
+		st->tx[2 * i]
+			= ADIS16209_READ_REG(ADIS16209_SUPPLY_OUT + 2 * i);
+		st->tx[2 * i + 1] = 0;
+		if (i >= 1)
+			xfers[i].rx_buf = rx + 2 * (i - 1);
+		spi_message_add_tail(&xfers[i], &msg);
+	}
+
+	ret = spi_sync(st->us, &msg);
+	if (ret)
+		dev_err(&st->us->dev, "problem when burst reading");
+
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device
+ * specific to be rolled into the core.
+ */
+static void adis16209_trigger_bh_to_ring(struct work_struct *work_s)
+{
+	struct adis16209_state *st
+		= container_of(work_s, struct adis16209_state,
+			       work_trigger_to_ring);
+
+	int i = 0;
+	s16 *data;
+	size_t datasize = st->indio_dev
+		->ring->access.get_bpd(st->indio_dev->ring);
+
+	data = kmalloc(datasize , GFP_KERNEL);
+	if (data == NULL) {
+		dev_err(&st->us->dev, "memory alloc failed in ring bh");
+		return;
+	}
+
+	if (st->indio_dev->scan_count)
+		if (adis16209_read_ring_data(&st->indio_dev->dev, st->rx) >= 0)
+			for (; i < st->indio_dev->scan_count; i++) {
+				data[i] = combine_8_to_16(st->rx[i*2+1],
+							  st->rx[i*2]);
+			}
+
+	/* Guaranteed to be aligned with 8 byte boundary */
+	if (st->indio_dev->scan_timestamp)
+		*((s64 *)(data + ((i + 3)/4)*4)) = st->last_timestamp;
+
+	st->indio_dev->ring->access.store_to(st->indio_dev->ring,
+					    (u8 *)data,
+					    st->last_timestamp);
+
+	iio_trigger_notify_done(st->indio_dev->trig);
+	kfree(data);
+
+	return;
+}
+
+/* in these circumstances is it better to go with unaligned packing and
+ * deal with the cost?*/
+static int adis16209_data_rdy_ring_preenable(struct iio_dev *indio_dev)
+{
+	size_t size;
+	dev_dbg(&indio_dev->dev, "%s\n", __func__);
+	/* Check if there are any scan elements enabled, if not fail*/
+	if (!(indio_dev->scan_count || indio_dev->scan_timestamp))
+		return -EINVAL;
+
+	if (indio_dev->ring->access.set_bpd) {
+		if (indio_dev->scan_timestamp)
+			if (indio_dev->scan_count)
+				/* Timestamp (aligned to s64) and data */
+				size = (((indio_dev->scan_count * sizeof(s16))
+					 + sizeof(s64) - 1)
+					& ~(sizeof(s64) - 1))
+					+ sizeof(s64);
+			else /* Timestamp only  */
+				size = sizeof(s64);
+		else /* Data only */
+			size = indio_dev->scan_count*sizeof(s16);
+		indio_dev->ring->access.set_bpd(indio_dev->ring, size);
+	}
+
+	return 0;
+}
+
+static int adis16209_data_rdy_ring_postenable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_attach_poll_func(indio_dev->trig,
+					       indio_dev->pollfunc)
+		: 0;
+}
+
+static int adis16209_data_rdy_ring_predisable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_dettach_poll_func(indio_dev->trig,
+						indio_dev->pollfunc)
+		: 0;
+}
+
+void adis16209_unconfigure_ring(struct iio_dev *indio_dev)
+{
+	kfree(indio_dev->pollfunc);
+	iio_sw_rb_free(indio_dev->ring);
+}
+
+int adis16209_configure_ring(struct iio_dev *indio_dev)
+{
+	int ret = 0;
+	struct adis16209_state *st = indio_dev->dev_data;
+	struct iio_ring_buffer *ring;
+	INIT_WORK(&st->work_trigger_to_ring, adis16209_trigger_bh_to_ring);
+	/* Set default scan mode */
+
+	iio_scan_mask_set(indio_dev, iio_scan_el_supply.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_rot.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_temp.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_aux_adc.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_incli_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_incli_y.number);
+	indio_dev->scan_timestamp = true;
+
+	indio_dev->scan_el_attrs = &adis16209_scan_el_group;
+
+	ring = iio_sw_rb_allocate(indio_dev);
+	if (!ring) {
+		ret = -ENOMEM;
+		return ret;
+	}
+	indio_dev->ring = ring;
+	/* Effectively select the ring buffer implementation */
+	iio_ring_sw_register_funcs(&ring->access);
+	ring->preenable = &adis16209_data_rdy_ring_preenable;
+	ring->postenable = &adis16209_data_rdy_ring_postenable;
+	ring->predisable = &adis16209_data_rdy_ring_predisable;
+	ring->owner = THIS_MODULE;
+
+	indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL);
+	if (indio_dev->pollfunc == NULL) {
+		ret = -ENOMEM;
+		goto error_iio_sw_rb_free;;
+	}
+	indio_dev->pollfunc->poll_func_main = &adis16209_poll_func_th;
+	indio_dev->pollfunc->private_data = indio_dev;
+	indio_dev->modes |= INDIO_RING_TRIGGERED;
+	return 0;
+
+error_iio_sw_rb_free:
+	iio_sw_rb_free(indio_dev->ring);
+	return ret;
+}
+
+int adis16209_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return iio_ring_buffer_register(ring, 0);
+}
+
+void adis16209_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+	iio_ring_buffer_unregister(ring);
+}
diff --git a/drivers/staging/iio/accel/adis16209_trigger.c b/drivers/staging/iio/accel/adis16209_trigger.c
new file mode 100644
index 00000000000..4a0507c9a13
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16209_trigger.c
@@ -0,0 +1,124 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+#include <linux/spi/spi.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../trigger.h"
+#include "adis16209.h"
+
+/**
+ * adis16209_data_rdy_trig_poll() the event handler for the data rdy trig
+ **/
+static int adis16209_data_rdy_trig_poll(struct iio_dev *dev_info,
+				       int index,
+				       s64 timestamp,
+				       int no_test)
+{
+	struct adis16209_state *st = iio_dev_get_devdata(dev_info);
+	struct iio_trigger *trig = st->trig;
+
+	trig->timestamp = timestamp;
+	iio_trigger_poll(trig);
+
+	return IRQ_HANDLED;
+}
+
+IIO_EVENT_SH(data_rdy_trig, &adis16209_data_rdy_trig_poll);
+
+static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
+
+static struct attribute *adis16209_trigger_attrs[] = {
+	&dev_attr_name.attr,
+	NULL,
+};
+
+static const struct attribute_group adis16209_trigger_attr_group = {
+	.attrs = adis16209_trigger_attrs,
+};
+
+/**
+ * adis16209_data_rdy_trigger_set_state() set datardy interrupt state
+ **/
+static int adis16209_data_rdy_trigger_set_state(struct iio_trigger *trig,
+						bool state)
+{
+	struct adis16209_state *st = trig->private_data;
+	struct iio_dev *indio_dev = st->indio_dev;
+	int ret = 0;
+
+	dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
+	ret = adis16209_set_irq(&st->indio_dev->dev, state);
+	if (state == false) {
+		iio_remove_event_from_list(&iio_event_data_rdy_trig,
+					   &indio_dev->interrupts[0]
+					   ->ev_list);
+		flush_scheduled_work();
+	} else {
+		iio_add_event_to_list(&iio_event_data_rdy_trig,
+				      &indio_dev->interrupts[0]->ev_list);
+	}
+	return ret;
+}
+
+/**
+ * adis16209_trig_try_reen() try renabling irq for data rdy trigger
+ * @trig:	the datardy trigger
+ **/
+static int adis16209_trig_try_reen(struct iio_trigger *trig)
+{
+	struct adis16209_state *st = trig->private_data;
+	enable_irq(st->us->irq);
+	return 0;
+}
+
+int adis16209_probe_trigger(struct iio_dev *indio_dev)
+{
+	int ret;
+	struct adis16209_state *st = indio_dev->dev_data;
+
+	st->trig = iio_allocate_trigger();
+	st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
+	if (!st->trig->name) {
+		ret = -ENOMEM;
+		goto error_free_trig;
+	}
+	snprintf((char *)st->trig->name,
+		 IIO_TRIGGER_NAME_LENGTH,
+		 "adis16209-dev%d", indio_dev->id);
+	st->trig->dev.parent = &st->us->dev;
+	st->trig->owner = THIS_MODULE;
+	st->trig->private_data = st;
+	st->trig->set_trigger_state = &adis16209_data_rdy_trigger_set_state;
+	st->trig->try_reenable = &adis16209_trig_try_reen;
+	st->trig->control_attrs = &adis16209_trigger_attr_group;
+	ret = iio_trigger_register(st->trig);
+
+	/* select default trigger */
+	indio_dev->trig = st->trig;
+	if (ret)
+		goto error_free_trig_name;
+
+	return 0;
+
+error_free_trig_name:
+	kfree(st->trig->name);
+error_free_trig:
+	iio_free_trigger(st->trig);
+
+	return ret;
+}
+
+void adis16209_remove_trigger(struct iio_dev *indio_dev)
+{
+	struct adis16209_state *state = indio_dev->dev_data;
+
+	iio_trigger_unregister(state->trig);
+	kfree(state->trig->name);
+	iio_free_trigger(state->trig);
+}

From 2c834b4d2d30c8f8ae5365a66c50da95aed7b7ea Mon Sep 17 00:00:00 2001
From: Barry Song <Barry.Song@analog.com>
Date: Fri, 7 May 2010 15:39:00 +0100
Subject: [PATCH 1327/3638] staging: iio: adis16240 driver

Signed-off-by: Barry Song <Barry.Song@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/Kconfig             |   9 +
 drivers/staging/iio/accel/Makefile            |   4 +
 drivers/staging/iio/accel/adis16240.h         | 218 +++++++
 drivers/staging/iio/accel/adis16240_core.c    | 599 ++++++++++++++++++
 drivers/staging/iio/accel/adis16240_ring.c    | 254 ++++++++
 drivers/staging/iio/accel/adis16240_trigger.c | 124 ++++
 6 files changed, 1208 insertions(+)
 create mode 100644 drivers/staging/iio/accel/adis16240.h
 create mode 100644 drivers/staging/iio/accel/adis16240_core.c
 create mode 100644 drivers/staging/iio/accel/adis16240_ring.c
 create mode 100644 drivers/staging/iio/accel/adis16240_trigger.c

diff --git a/drivers/staging/iio/accel/Kconfig b/drivers/staging/iio/accel/Kconfig
index 1d89e2153dd..8f3f70f10a3 100644
--- a/drivers/staging/iio/accel/Kconfig
+++ b/drivers/staging/iio/accel/Kconfig
@@ -12,6 +12,15 @@ config ADIS16209
          Say yes here to build support for Analog Devices adis16209 dual-axis digital inclinometer
 	 and accelerometer.
 
+config ADIS16240
+       tristate "Analog Devices ADIS16240 Programmable Impact Sensor and Recorder"
+       depends on SPI
+       select IIO_TRIGGER if IIO_RING_BUFFER
+       select IIO_SW_RING if IIO_RING_BUFFER
+       help
+         Say yes here to build support for Analog Devices adis16240 programmable
+	 impact Sensor and recorder.
+
 config KXSD9
 	tristate "Kionix KXSD9 Accelerometer Driver"
 	depends on SPI
diff --git a/drivers/staging/iio/accel/Makefile b/drivers/staging/iio/accel/Makefile
index f8f2124720e..0e6762c3487 100644
--- a/drivers/staging/iio/accel/Makefile
+++ b/drivers/staging/iio/accel/Makefile
@@ -5,6 +5,10 @@ adis16209-y             := adis16209_core.o
 adis16209-$(CONFIG_IIO_RING_BUFFER) += adis16209_ring.o adis16209_trigger.o
 obj-$(CONFIG_ADIS16209) += adis16209.o
 
+adis16240-y             := adis16240_core.o
+adis16240-$(CONFIG_IIO_RING_BUFFER) += adis16240_ring.o adis16240_trigger.o
+obj-$(CONFIG_ADIS16240) += adis16240.o
+
 obj-$(CONFIG_KXSD9)	+= kxsd9.o
 
 lis3l02dq-y		:= lis3l02dq_core.o
diff --git a/drivers/staging/iio/accel/adis16240.h b/drivers/staging/iio/accel/adis16240.h
new file mode 100644
index 00000000000..dcff43c7523
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16240.h
@@ -0,0 +1,218 @@
+#ifndef SPI_ADIS16240_H_
+#define SPI_ADIS16240_H_
+
+#define ADIS16240_STARTUP_DELAY	220 /* ms */
+
+#define ADIS16240_READ_REG(a)    a
+#define ADIS16240_WRITE_REG(a) ((a) | 0x80)
+
+/* Flash memory write count */
+#define ADIS16240_FLASH_CNT      0x00
+/* Output, power supply */
+#define ADIS16240_SUPPLY_OUT     0x02
+/* Output, x-axis accelerometer */
+#define ADIS16240_XACCL_OUT      0x04
+/* Output, y-axis accelerometer */
+#define ADIS16240_YACCL_OUT      0x06
+/* Output, z-axis accelerometer */
+#define ADIS16240_ZACCL_OUT      0x08
+/* Output, auxiliary ADC input */
+#define ADIS16240_AUX_ADC        0x0A
+/* Output, temperature */
+#define ADIS16240_TEMP_OUT       0x0C
+/* Output, x-axis acceleration peak */
+#define ADIS16240_XPEAK_OUT      0x0E
+/* Output, y-axis acceleration peak */
+#define ADIS16240_YPEAK_OUT      0x10
+/* Output, z-axis acceleration peak */
+#define ADIS16240_ZPEAK_OUT      0x12
+/* Output, sum-of-squares acceleration peak */
+#define ADIS16240_XYZPEAK_OUT    0x14
+/* Output, Capture Buffer 1, X and Y acceleration */
+#define ADIS16240_CAPT_BUF1      0x16
+/* Output, Capture Buffer 2, Z acceleration */
+#define ADIS16240_CAPT_BUF2      0x18
+/* Diagnostic, error flags */
+#define ADIS16240_DIAG_STAT      0x1A
+/* Diagnostic, event counter */
+#define ADIS16240_EVNT_CNTR      0x1C
+/* Diagnostic, check sum value from firmware test */
+#define ADIS16240_CHK_SUM        0x1E
+/* Calibration, x-axis acceleration offset adjustment */
+#define ADIS16240_XACCL_OFF      0x20
+/* Calibration, y-axis acceleration offset adjustment */
+#define ADIS16240_YACCL_OFF      0x22
+/* Calibration, z-axis acceleration offset adjustment */
+#define ADIS16240_ZACCL_OFF      0x24
+/* Clock, hour and minute */
+#define ADIS16240_CLK_TIME       0x2E
+/* Clock, month and day */
+#define ADIS16240_CLK_DATE       0x30
+/* Clock, year */
+#define ADIS16240_CLK_YEAR       0x32
+/* Wake-up setting, hour and minute */
+#define ADIS16240_WAKE_TIME      0x34
+/* Wake-up setting, month and day */
+#define ADIS16240_WAKE_DATE      0x36
+/* Alarm 1 amplitude threshold */
+#define ADIS16240_ALM_MAG1       0x38
+/* Alarm 2 amplitude threshold */
+#define ADIS16240_ALM_MAG2       0x3A
+/* Alarm control */
+#define ADIS16240_ALM_CTRL       0x3C
+/* Capture, external trigger control */
+#define ADIS16240_XTRIG_CTRL     0x3E
+/* Capture, address pointer */
+#define ADIS16240_CAPT_PNTR      0x40
+/* Capture, configuration and control */
+#define ADIS16240_CAPT_CTRL      0x42
+/* General-purpose digital input/output control */
+#define ADIS16240_GPIO_CTRL      0x44
+/* Miscellaneous control */
+#define ADIS16240_MSC_CTRL       0x46
+/* Internal sample period (rate) control */
+#define ADIS16240_SMPL_PRD       0x48
+/* System command */
+#define ADIS16240_GLOB_CMD       0x4A
+
+#define ADIS16240_OUTPUTS        6
+
+/* MSC_CTRL */
+/* Enables sum-of-squares output (XYZPEAK_OUT) */
+#define ADIS16240_MSC_CTRL_XYZPEAK_OUT_EN	(1 << 15)
+/* Enables peak tracking output (XPEAK_OUT, YPEAK_OUT, and ZPEAK_OUT) */
+#define ADIS16240_MSC_CTRL_X_Y_ZPEAK_OUT_EN	(1 << 14)
+/* Self-test enable: 1 = apply electrostatic force, 0 = disabled */
+#define ADIS16240_MSC_CTRL_SELF_TEST_EN	        (1 << 8)
+/* Data-ready enable: 1 = enabled, 0 = disabled */
+#define ADIS16240_MSC_CTRL_DATA_RDY_EN	        (1 << 2)
+/* Data-ready polarity: 1 = active high, 0 = active low */
+#define ADIS16240_MSC_CTRL_ACTIVE_HIGH	        (1 << 1)
+/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
+#define ADIS16240_MSC_CTRL_DATA_RDY_DIO2	(1 << 0)
+
+/* DIAG_STAT */
+/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16240_DIAG_STAT_ALARM2      (1<<9)
+/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16240_DIAG_STAT_ALARM1      (1<<8)
+/* Capture buffer full: 1 = capture buffer is full */
+#define ADIS16240_DIAG_STAT_CPT_BUF_FUL (1<<7)
+/* Flash test, checksum flag: 1 = mismatch, 0 = match */
+#define ADIS16240_DIAG_STAT_CHKSUM      (1<<6)
+/* Power-on, self-test flag: 1 = failure, 0 = pass */
+#define ADIS16240_DIAG_STAT_PWRON_FAIL  (1<<5)
+/* Power-on self-test: 1 = in-progress, 0 = complete */
+#define ADIS16240_DIAG_STAT_PWRON_BUSY  (1<<4)
+/* SPI communications failure */
+#define ADIS16240_DIAG_STAT_SPI_FAIL	(1<<3)
+/* Flash update failure */
+#define ADIS16240_DIAG_STAT_FLASH_UPT	(1<<2)
+/* Power supply above 3.625 V */
+#define ADIS16240_DIAG_STAT_POWER_HIGH	(1<<1)
+ /* Power supply below 3.15 V */
+#define ADIS16240_DIAG_STAT_POWER_LOW	(1<<0)
+
+/* GLOB_CMD */
+#define ADIS16240_GLOB_CMD_RESUME	(1<<8)
+#define ADIS16240_GLOB_CMD_SW_RESET	(1<<7)
+#define ADIS16240_GLOB_CMD_STANDBY	(1<<2)
+
+#define ADIS16240_ERROR_ACTIVE          (1<<14)
+
+#define ADIS16240_MAX_TX 24
+#define ADIS16240_MAX_RX 24
+
+/**
+ * struct adis16240_state - device instance specific data
+ * @us:			actual spi_device
+ * @work_trigger_to_ring: bh for triggered event handling
+ * @work_cont_thresh: CLEAN
+ * @inter:		used to check if new interrupt has been triggered
+ * @last_timestamp:	passing timestamp from th to bh of interrupt handler
+ * @indio_dev:		industrial I/O device structure
+ * @trig:		data ready trigger registered with iio
+ * @tx:			transmit buffer
+ * @rx:			recieve buffer
+ * @buf_lock:		mutex to protect tx and rx
+ **/
+struct adis16240_state {
+	struct spi_device		*us;
+	struct work_struct		work_trigger_to_ring;
+	struct iio_work_cont		work_cont_thresh;
+	s64				last_timestamp;
+	struct iio_dev			*indio_dev;
+	struct iio_trigger		*trig;
+	u8				*tx;
+	u8				*rx;
+	struct mutex			buf_lock;
+};
+
+int adis16240_set_irq(struct device *dev, bool enable);
+
+#ifdef CONFIG_IIO_RING_BUFFER
+/* At the moment triggers are only used for ring buffer
+ * filling. This may change!
+ */
+
+enum adis16240_scan {
+	ADIS16240_SCAN_SUPPLY,
+	ADIS16240_SCAN_ACC_X,
+	ADIS16240_SCAN_ACC_Y,
+	ADIS16240_SCAN_ACC_Z,
+	ADIS16240_SCAN_AUX_ADC,
+	ADIS16240_SCAN_TEMP,
+};
+
+void adis16240_remove_trigger(struct iio_dev *indio_dev);
+int adis16240_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t adis16240_read_data_from_ring(struct device *dev,
+				      struct device_attribute *attr,
+				      char *buf);
+
+
+int adis16240_configure_ring(struct iio_dev *indio_dev);
+void adis16240_unconfigure_ring(struct iio_dev *indio_dev);
+
+int adis16240_initialize_ring(struct iio_ring_buffer *ring);
+void adis16240_uninitialize_ring(struct iio_ring_buffer *ring);
+#else /* CONFIG_IIO_RING_BUFFER */
+
+static inline void adis16240_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16240_probe_trigger(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline ssize_t
+adis16240_read_data_from_ring(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	return 0;
+}
+
+static int adis16240_configure_ring(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline void adis16240_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16240_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return 0;
+}
+
+static inline void adis16240_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+}
+
+#endif /* CONFIG_IIO_RING_BUFFER */
+#endif /* SPI_ADIS16240_H_ */
diff --git a/drivers/staging/iio/accel/adis16240_core.c b/drivers/staging/iio/accel/adis16240_core.c
new file mode 100644
index 00000000000..54fd6d77412
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16240_core.c
@@ -0,0 +1,599 @@
+/*
+ * ADIS16240 Programmable Impact Sensor and Recorder driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "accel.h"
+#include "../adc/adc.h"
+
+#include "adis16240.h"
+
+#define DRIVER_NAME		"adis16240"
+
+static int adis16240_check_status(struct device *dev);
+
+/**
+ * adis16240_spi_write_reg_8() - write single byte to a register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the register to be written
+ * @val: the value to write
+ **/
+static int adis16240_spi_write_reg_8(struct device *dev,
+		u8 reg_address,
+		u8 val)
+{
+	int ret;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16240_state *st = iio_dev_get_devdata(indio_dev);
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16240_WRITE_REG(reg_address);
+	st->tx[1] = val;
+
+	ret = spi_write(st->us, st->tx, 2);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16240_spi_write_reg_16() - write 2 bytes to a pair of registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: value to be written
+ **/
+static int adis16240_spi_write_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 value)
+{
+	int ret;
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16240_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		}, {
+			.tx_buf = st->tx + 2,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16240_WRITE_REG(lower_reg_address);
+	st->tx[1] = value & 0xFF;
+	st->tx[2] = ADIS16240_WRITE_REG(lower_reg_address + 1);
+	st->tx[3] = (value >> 8) & 0xFF;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16240_spi_read_reg_16() - read 2 bytes from a 16-bit register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: somewhere to pass back the value read
+ **/
+static int adis16240_spi_read_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 *val)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16240_state *st = iio_dev_get_devdata(indio_dev);
+	int ret;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		}, {
+			.rx_buf = st->rx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16240_READ_REG(lower_reg_address);
+	st->tx[1] = 0;
+	st->tx[2] = 0;
+	st->tx[3] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	if (ret) {
+		dev_err(&st->us->dev,
+			"problem when reading 16 bit register 0x%02X",
+			lower_reg_address);
+		goto error_ret;
+	}
+	*val = (st->rx[0] << 8) | st->rx[1];
+
+error_ret:
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+static ssize_t adis16240_spi_read_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf,
+		unsigned bits)
+{
+	int ret;
+	s16 val = 0;
+	unsigned shift = 16 - bits;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16240_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16240_ERROR_ACTIVE)
+		adis16240_check_status(dev);
+
+	val = ((s16)(val << shift) >> shift);
+	return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t adis16240_read_10bit_unsigned(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret;
+	u16 val = 0;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16240_spi_read_reg_16(dev, this_attr->address, &val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16240_ERROR_ACTIVE)
+		adis16240_check_status(dev);
+
+	return sprintf(buf, "%u\n", val & 0x03FF);
+}
+
+static ssize_t adis16240_read_10bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16240_spi_read_signed(dev, attr, buf, 10);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16240_read_12bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16240_spi_read_signed(dev, attr, buf, 12);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16240_write_16bit(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	int ret;
+	long val;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		goto error_ret;
+	ret = adis16240_spi_write_reg_16(dev, this_attr->address, val);
+
+error_ret:
+	return ret ? ret : len;
+}
+
+static int adis16240_reset(struct device *dev)
+{
+	int ret;
+	ret = adis16240_spi_write_reg_8(dev,
+			ADIS16240_GLOB_CMD,
+			ADIS16240_GLOB_CMD_SW_RESET);
+	if (ret)
+		dev_err(dev, "problem resetting device");
+
+	return ret;
+}
+
+static ssize_t adis16240_write_reset(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t len)
+{
+	if (len < 1)
+		return -EINVAL;
+	switch (buf[0]) {
+	case '1':
+	case 'y':
+	case 'Y':
+		return adis16240_reset(dev);
+	}
+	return -EINVAL;
+}
+
+int adis16240_set_irq(struct device *dev, bool enable)
+{
+	int ret = 0;
+	u16 msc;
+
+	ret = adis16240_spi_read_reg_16(dev, ADIS16240_MSC_CTRL, &msc);
+	if (ret)
+		goto error_ret;
+
+	msc |= ADIS16240_MSC_CTRL_ACTIVE_HIGH;
+	msc &= ~ADIS16240_MSC_CTRL_DATA_RDY_DIO2;
+	if (enable)
+		msc |= ADIS16240_MSC_CTRL_DATA_RDY_EN;
+	else
+		msc &= ~ADIS16240_MSC_CTRL_DATA_RDY_EN;
+
+	ret = adis16240_spi_write_reg_16(dev, ADIS16240_MSC_CTRL, msc);
+
+error_ret:
+	return ret;
+}
+
+static int adis16240_self_test(struct device *dev)
+{
+	int ret;
+	ret = adis16240_spi_write_reg_16(dev,
+			ADIS16240_MSC_CTRL,
+			ADIS16240_MSC_CTRL_SELF_TEST_EN);
+	if (ret) {
+		dev_err(dev, "problem starting self test");
+		goto err_ret;
+	}
+
+	msleep(ADIS16240_STARTUP_DELAY);
+
+	adis16240_check_status(dev);
+
+err_ret:
+	return ret;
+}
+
+static int adis16240_check_status(struct device *dev)
+{
+	u16 status;
+	int ret;
+
+	ret = adis16240_spi_read_reg_16(dev, ADIS16240_DIAG_STAT, &status);
+
+	if (ret < 0) {
+		dev_err(dev, "Reading status failed\n");
+		goto error_ret;
+	}
+
+	ret = status & 0x2F;
+	if (status & ADIS16240_DIAG_STAT_PWRON_FAIL)
+		dev_err(dev, "Power-on, self-test fail\n");
+	if (status & ADIS16240_DIAG_STAT_SPI_FAIL)
+		dev_err(dev, "SPI failure\n");
+	if (status & ADIS16240_DIAG_STAT_FLASH_UPT)
+		dev_err(dev, "Flash update failed\n");
+	if (status & ADIS16240_DIAG_STAT_POWER_HIGH)
+		dev_err(dev, "Power supply above 3.625V\n");
+	if (status & ADIS16240_DIAG_STAT_POWER_LOW)
+		dev_err(dev, "Power supply below 2.225V\n");
+
+error_ret:
+	return ret;
+}
+
+static int adis16240_initial_setup(struct adis16240_state *st)
+{
+	int ret;
+	struct device *dev = &st->indio_dev->dev;
+
+	/* Disable IRQ */
+	ret = adis16240_set_irq(dev, false);
+	if (ret) {
+		dev_err(dev, "disable irq failed");
+		goto err_ret;
+	}
+
+	/* Do self test */
+	ret = adis16240_self_test(dev);
+	if (ret) {
+		dev_err(dev, "self test failure");
+		goto err_ret;
+	}
+
+	/* Read status register to check the result */
+	ret = adis16240_check_status(dev);
+	if (ret) {
+		adis16240_reset(dev);
+		dev_err(dev, "device not playing ball -> reset");
+		msleep(ADIS16240_STARTUP_DELAY);
+		ret = adis16240_check_status(dev);
+		if (ret) {
+			dev_err(dev, "giving up");
+			goto err_ret;
+		}
+	}
+
+	printk(KERN_INFO DRIVER_NAME ": at CS%d (irq %d)\n",
+			st->us->chip_select, st->us->irq);
+
+err_ret:
+	return ret;
+}
+
+static IIO_DEV_ATTR_IN_NAMED_RAW(supply, adis16240_read_10bit_unsigned,
+		ADIS16240_SUPPLY_OUT);
+static IIO_DEV_ATTR_IN_RAW(0, adis16240_read_10bit_signed,
+		ADIS16240_AUX_ADC);
+static IIO_CONST_ATTR(in_supply_scale, "0.00488");
+static IIO_DEV_ATTR_ACCEL_X(adis16240_read_10bit_signed,
+		ADIS16240_XACCL_OUT);
+static IIO_DEVICE_ATTR(accel_x_peak_raw, S_IRUGO,
+		       adis16240_read_10bit_signed, NULL,
+		       ADIS16240_XPEAK_OUT);
+static IIO_DEV_ATTR_ACCEL_Y(adis16240_read_10bit_signed,
+		ADIS16240_YACCL_OUT);
+static IIO_DEVICE_ATTR(accel_y_peak_raw, S_IRUGO,
+		       adis16240_read_10bit_signed, NULL,
+		       ADIS16240_YPEAK_OUT);
+static IIO_DEV_ATTR_ACCEL_Z(adis16240_read_10bit_signed,
+		ADIS16240_ZACCL_OUT);
+static IIO_DEVICE_ATTR(accel_z_peak_raw, S_IRUGO,
+		       adis16240_read_10bit_signed, NULL,
+		       ADIS16240_ZPEAK_OUT);
+
+static IIO_DEVICE_ATTR(accel_xyz_squared_peak_raw, S_IRUGO,
+		       adis16240_read_12bit_signed, NULL,
+		       ADIS16240_XYZPEAK_OUT);
+static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO,
+		adis16240_read_10bit_signed,
+		adis16240_write_16bit,
+		ADIS16240_XACCL_OFF);
+static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO,
+		adis16240_read_10bit_signed,
+		adis16240_write_16bit,
+		ADIS16240_YACCL_OFF);
+static IIO_DEV_ATTR_ACCEL_Z_OFFSET(S_IWUSR | S_IRUGO,
+		adis16240_read_10bit_signed,
+		adis16240_write_16bit,
+		ADIS16240_ZACCL_OFF);
+static IIO_DEV_ATTR_TEMP_RAW(adis16240_read_10bit_unsigned);
+static IIO_CONST_ATTR(temp_scale, "0.244");
+
+static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16240_write_reset, 0);
+
+static IIO_CONST_ATTR_AVAIL_SAMP_FREQ("4096");
+
+static IIO_CONST_ATTR(name, "adis16240");
+
+static struct attribute *adis16240_event_attributes[] = {
+	NULL
+};
+
+static struct attribute_group adis16240_event_attribute_group = {
+	.attrs = adis16240_event_attributes,
+};
+
+static struct attribute *adis16240_attributes[] = {
+	&iio_dev_attr_in_supply_raw.dev_attr.attr,
+	&iio_const_attr_in_supply_scale.dev_attr.attr,
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_x_offset.dev_attr.attr,
+	&iio_dev_attr_accel_x_peak_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_offset.dev_attr.attr,
+	&iio_dev_attr_accel_y_peak_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_offset.dev_attr.attr,
+	&iio_dev_attr_accel_z_peak_raw.dev_attr.attr,
+	&iio_dev_attr_accel_xyz_squared_peak_raw.dev_attr.attr,
+	&iio_dev_attr_temp_raw.dev_attr.attr,
+	&iio_const_attr_temp_scale.dev_attr.attr,
+	&iio_const_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_dev_attr_reset.dev_attr.attr,
+	&iio_const_attr_name.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group adis16240_attribute_group = {
+	.attrs = adis16240_attributes,
+};
+
+static int __devinit adis16240_probe(struct spi_device *spi)
+{
+	int ret, regdone = 0;
+	struct adis16240_state *st = kzalloc(sizeof *st, GFP_KERNEL);
+	if (!st) {
+		ret =  -ENOMEM;
+		goto error_ret;
+	}
+	/* this is only used for removal purposes */
+	spi_set_drvdata(spi, st);
+
+	/* Allocate the comms buffers */
+	st->rx = kzalloc(sizeof(*st->rx)*ADIS16240_MAX_RX, GFP_KERNEL);
+	if (st->rx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_st;
+	}
+	st->tx = kzalloc(sizeof(*st->tx)*ADIS16240_MAX_TX, GFP_KERNEL);
+	if (st->tx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_rx;
+	}
+	st->us = spi;
+	mutex_init(&st->buf_lock);
+	/* setup the industrialio driver allocated elements */
+	st->indio_dev = iio_allocate_device();
+	if (st->indio_dev == NULL) {
+		ret = -ENOMEM;
+		goto error_free_tx;
+	}
+
+	st->indio_dev->dev.parent = &spi->dev;
+	st->indio_dev->num_interrupt_lines = 1;
+	st->indio_dev->event_attrs = &adis16240_event_attribute_group;
+	st->indio_dev->attrs = &adis16240_attribute_group;
+	st->indio_dev->dev_data = (void *)(st);
+	st->indio_dev->driver_module = THIS_MODULE;
+	st->indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = adis16240_configure_ring(st->indio_dev);
+	if (ret)
+		goto error_free_dev;
+
+	ret = iio_device_register(st->indio_dev);
+	if (ret)
+		goto error_unreg_ring_funcs;
+	regdone = 1;
+
+	ret = adis16240_initialize_ring(st->indio_dev->ring);
+	if (ret) {
+		printk(KERN_ERR "failed to initialize the ring\n");
+		goto error_unreg_ring_funcs;
+	}
+
+	if (spi->irq) {
+		ret = iio_register_interrupt_line(spi->irq,
+				st->indio_dev,
+				0,
+				IRQF_TRIGGER_RISING,
+				"adis16240");
+		if (ret)
+			goto error_uninitialize_ring;
+
+		ret = adis16240_probe_trigger(st->indio_dev);
+		if (ret)
+			goto error_unregister_line;
+	}
+
+	/* Get the device into a sane initial state */
+	ret = adis16240_initial_setup(st);
+	if (ret)
+		goto error_remove_trigger;
+	return 0;
+
+error_remove_trigger:
+	adis16240_remove_trigger(st->indio_dev);
+error_unregister_line:
+	if (spi->irq)
+		iio_unregister_interrupt_line(st->indio_dev, 0);
+error_uninitialize_ring:
+	adis16240_uninitialize_ring(st->indio_dev->ring);
+error_unreg_ring_funcs:
+	adis16240_unconfigure_ring(st->indio_dev);
+error_free_dev:
+	if (regdone)
+		iio_device_unregister(st->indio_dev);
+	else
+		iio_free_device(st->indio_dev);
+error_free_tx:
+	kfree(st->tx);
+error_free_rx:
+	kfree(st->rx);
+error_free_st:
+	kfree(st);
+error_ret:
+	return ret;
+}
+
+static int adis16240_remove(struct spi_device *spi)
+{
+	struct adis16240_state *st = spi_get_drvdata(spi);
+	struct iio_dev *indio_dev = st->indio_dev;
+
+	flush_scheduled_work();
+
+	adis16240_remove_trigger(indio_dev);
+	if (spi->irq)
+		iio_unregister_interrupt_line(indio_dev, 0);
+
+	adis16240_uninitialize_ring(indio_dev->ring);
+	iio_device_unregister(indio_dev);
+	adis16240_unconfigure_ring(indio_dev);
+	kfree(st->tx);
+	kfree(st->rx);
+	kfree(st);
+
+	return 0;
+}
+
+static struct spi_driver adis16240_driver = {
+	.driver = {
+		.name = "adis16240",
+		.owner = THIS_MODULE,
+	},
+	.probe = adis16240_probe,
+	.remove = __devexit_p(adis16240_remove),
+};
+
+static __init int adis16240_init(void)
+{
+	return spi_register_driver(&adis16240_driver);
+}
+module_init(adis16240_init);
+
+static __exit void adis16240_exit(void)
+{
+	spi_unregister_driver(&adis16240_driver);
+}
+module_exit(adis16240_exit);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices Programmable Impact Sensor and Recorder");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/accel/adis16240_ring.c b/drivers/staging/iio/accel/adis16240_ring.c
new file mode 100644
index 00000000000..26b677bd84c
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16240_ring.c
@@ -0,0 +1,254 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../ring_sw.h"
+#include "accel.h"
+#include "../trigger.h"
+#include "adis16240.h"
+
+/**
+ * combine_8_to_16() utility function to munge to u8s into u16
+ **/
+static inline u16 combine_8_to_16(u8 lower, u8 upper)
+{
+	u16 _lower = lower;
+	u16 _upper = upper;
+	return _lower | (_upper << 8);
+}
+
+static IIO_SCAN_EL_C(supply, ADIS16240_SCAN_SUPPLY, IIO_UNSIGNED(10),
+		ADIS16240_SUPPLY_OUT, NULL);
+static IIO_SCAN_EL_C(accel_x, ADIS16240_SCAN_ACC_X, IIO_SIGNED(10),
+		ADIS16240_XACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_y, ADIS16240_SCAN_ACC_Y, IIO_SIGNED(10),
+		ADIS16240_YACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_z, ADIS16240_SCAN_ACC_Z, IIO_SIGNED(10),
+		ADIS16240_ZACCL_OUT, NULL);
+static IIO_SCAN_EL_C(aux_adc, ADIS16240_SCAN_AUX_ADC, IIO_UNSIGNED(10),
+		ADIS16240_AUX_ADC, NULL);
+static IIO_SCAN_EL_C(temp, ADIS16240_SCAN_TEMP, IIO_UNSIGNED(10),
+		ADIS16240_TEMP_OUT, NULL);
+
+static IIO_SCAN_EL_TIMESTAMP(6);
+
+static struct attribute *adis16240_scan_el_attrs[] = {
+	&iio_scan_el_supply.dev_attr.attr,
+	&iio_scan_el_accel_x.dev_attr.attr,
+	&iio_scan_el_accel_y.dev_attr.attr,
+	&iio_scan_el_accel_z.dev_attr.attr,
+	&iio_scan_el_aux_adc.dev_attr.attr,
+	&iio_scan_el_temp.dev_attr.attr,
+	&iio_scan_el_timestamp.dev_attr.attr,
+	NULL,
+};
+
+static struct attribute_group adis16240_scan_el_group = {
+	.attrs = adis16240_scan_el_attrs,
+	.name = "scan_elements",
+};
+
+/**
+ * adis16240_poll_func_th() top half interrupt handler called by trigger
+ * @private_data:	iio_dev
+ **/
+static void adis16240_poll_func_th(struct iio_dev *indio_dev)
+{
+	struct adis16240_state *st = iio_dev_get_devdata(indio_dev);
+	st->last_timestamp = indio_dev->trig->timestamp;
+	schedule_work(&st->work_trigger_to_ring);
+}
+
+/**
+ * adis16240_read_ring_data() read data registers which will be placed into ring
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @rx: somewhere to pass back the value read
+ **/
+static int adis16240_read_ring_data(struct device *dev, u8 *rx)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16240_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[ADIS16240_OUTPUTS + 1];
+	int ret;
+	int i;
+
+	mutex_lock(&st->buf_lock);
+
+	spi_message_init(&msg);
+
+	memset(xfers, 0, sizeof(xfers));
+	for (i = 0; i <= ADIS16240_OUTPUTS; i++) {
+		xfers[i].bits_per_word = 8;
+		xfers[i].cs_change = 1;
+		xfers[i].len = 2;
+		xfers[i].delay_usecs = 30;
+		xfers[i].tx_buf = st->tx + 2 * i;
+		st->tx[2 * i]
+			= ADIS16240_READ_REG(ADIS16240_SUPPLY_OUT + 2 * i);
+		st->tx[2 * i + 1] = 0;
+		if (i >= 1)
+			xfers[i].rx_buf = rx + 2 * (i - 1);
+		spi_message_add_tail(&xfers[i], &msg);
+	}
+
+	ret = spi_sync(st->us, &msg);
+	if (ret)
+		dev_err(&st->us->dev, "problem when burst reading");
+
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+
+static void adis16240_trigger_bh_to_ring(struct work_struct *work_s)
+{
+	struct adis16240_state *st
+		= container_of(work_s, struct adis16240_state,
+				work_trigger_to_ring);
+
+	int i = 0;
+	s16 *data;
+	size_t datasize = st->indio_dev
+		->ring->access.get_bpd(st->indio_dev->ring);
+
+	data = kmalloc(datasize , GFP_KERNEL);
+	if (data == NULL) {
+		dev_err(&st->us->dev, "memory alloc failed in ring bh");
+		return;
+	}
+
+	if (st->indio_dev->scan_count)
+		if (adis16240_read_ring_data(&st->indio_dev->dev, st->rx) >= 0)
+			for (; i < st->indio_dev->scan_count; i++) {
+				data[i] = combine_8_to_16(st->rx[i*2+1],
+						st->rx[i*2]);
+			}
+
+	/* Guaranteed to be aligned with 8 byte boundary */
+	if (st->indio_dev->scan_timestamp)
+		*((s64 *)(data + ((i + 3)/4)*4)) = st->last_timestamp;
+
+	st->indio_dev->ring->access.store_to(st->indio_dev->ring,
+			(u8 *)data,
+			st->last_timestamp);
+
+	iio_trigger_notify_done(st->indio_dev->trig);
+	kfree(data);
+
+	return;
+}
+
+static int adis16240_data_rdy_ring_preenable(struct iio_dev *indio_dev)
+{
+	size_t size;
+	dev_dbg(&indio_dev->dev, "%s\n", __func__);
+	/* Check if there are any scan elements enabled, if not fail*/
+	if (!(indio_dev->scan_count || indio_dev->scan_timestamp))
+		return -EINVAL;
+
+	if (indio_dev->ring->access.set_bpd) {
+		if (indio_dev->scan_timestamp)
+			if (indio_dev->scan_count)
+				/* Timestamp (aligned sizeof(s64) and data */
+				size = (((indio_dev->scan_count * sizeof(s16))
+					 + sizeof(s64) - 1)
+					& ~(sizeof(s64) - 1))
+					+ sizeof(s64);
+			else /* Timestamp only  */
+				size = sizeof(s64);
+		else /* Data only */
+			size = indio_dev->scan_count*sizeof(s16);
+		indio_dev->ring->access.set_bpd(indio_dev->ring, size);
+	}
+
+	return 0;
+}
+
+static int adis16240_data_rdy_ring_postenable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_attach_poll_func(indio_dev->trig,
+				indio_dev->pollfunc)
+		: 0;
+}
+
+static int adis16240_data_rdy_ring_predisable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_dettach_poll_func(indio_dev->trig,
+				indio_dev->pollfunc)
+		: 0;
+}
+
+void adis16240_unconfigure_ring(struct iio_dev *indio_dev)
+{
+	kfree(indio_dev->pollfunc);
+	iio_sw_rb_free(indio_dev->ring);
+}
+
+int adis16240_configure_ring(struct iio_dev *indio_dev)
+{
+	int ret = 0;
+	struct adis16240_state *st = indio_dev->dev_data;
+	struct iio_ring_buffer *ring;
+	INIT_WORK(&st->work_trigger_to_ring, adis16240_trigger_bh_to_ring);
+	/* Set default scan mode */
+
+	iio_scan_mask_set(indio_dev, iio_scan_el_supply.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_z.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_temp.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_aux_adc.number);
+	indio_dev->scan_timestamp = true;
+
+	indio_dev->scan_el_attrs = &adis16240_scan_el_group;
+
+	ring = iio_sw_rb_allocate(indio_dev);
+	if (!ring) {
+		ret = -ENOMEM;
+		return ret;
+	}
+	indio_dev->ring = ring;
+	/* Effectively select the ring buffer implementation */
+	iio_ring_sw_register_funcs(&ring->access);
+	ring->preenable = &adis16240_data_rdy_ring_preenable;
+	ring->postenable = &adis16240_data_rdy_ring_postenable;
+	ring->predisable = &adis16240_data_rdy_ring_predisable;
+	ring->owner = THIS_MODULE;
+
+	indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL);
+	if (indio_dev->pollfunc == NULL) {
+		ret = -ENOMEM;
+		goto error_iio_sw_rb_free;;
+	}
+	indio_dev->pollfunc->poll_func_main = &adis16240_poll_func_th;
+	indio_dev->pollfunc->private_data = indio_dev;
+	indio_dev->modes |= INDIO_RING_TRIGGERED;
+	return 0;
+
+error_iio_sw_rb_free:
+	iio_sw_rb_free(indio_dev->ring);
+	return ret;
+}
+
+int adis16240_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return iio_ring_buffer_register(ring, 0);
+}
+
+void adis16240_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+	iio_ring_buffer_unregister(ring);
+}
diff --git a/drivers/staging/iio/accel/adis16240_trigger.c b/drivers/staging/iio/accel/adis16240_trigger.c
new file mode 100644
index 00000000000..df1312e17f4
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16240_trigger.c
@@ -0,0 +1,124 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+#include <linux/spi/spi.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../trigger.h"
+#include "adis16240.h"
+
+/**
+ * adis16240_data_rdy_trig_poll() the event handler for the data rdy trig
+ **/
+static int adis16240_data_rdy_trig_poll(struct iio_dev *dev_info,
+				       int index,
+				       s64 timestamp,
+				       int no_test)
+{
+	struct adis16240_state *st = iio_dev_get_devdata(dev_info);
+	struct iio_trigger *trig = st->trig;
+
+	trig->timestamp = timestamp;
+	iio_trigger_poll(trig);
+
+	return IRQ_HANDLED;
+}
+
+IIO_EVENT_SH(data_rdy_trig, &adis16240_data_rdy_trig_poll);
+
+static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
+
+static struct attribute *adis16240_trigger_attrs[] = {
+	&dev_attr_name.attr,
+	NULL,
+};
+
+static const struct attribute_group adis16240_trigger_attr_group = {
+	.attrs = adis16240_trigger_attrs,
+};
+
+/**
+ * adis16240_data_rdy_trigger_set_state() set datardy interrupt state
+ **/
+static int adis16240_data_rdy_trigger_set_state(struct iio_trigger *trig,
+						bool state)
+{
+	struct adis16240_state *st = trig->private_data;
+	struct iio_dev *indio_dev = st->indio_dev;
+	int ret = 0;
+
+	dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
+	ret = adis16240_set_irq(&st->indio_dev->dev, state);
+	if (state == false) {
+		iio_remove_event_from_list(&iio_event_data_rdy_trig,
+					   &indio_dev->interrupts[0]
+					   ->ev_list);
+		flush_scheduled_work();
+	} else {
+		iio_add_event_to_list(&iio_event_data_rdy_trig,
+				      &indio_dev->interrupts[0]->ev_list);
+	}
+	return ret;
+}
+
+/**
+ * adis16240_trig_try_reen() try renabling irq for data rdy trigger
+ * @trig:	the datardy trigger
+ **/
+static int adis16240_trig_try_reen(struct iio_trigger *trig)
+{
+	struct adis16240_state *st = trig->private_data;
+	enable_irq(st->us->irq);
+	return 0;
+}
+
+int adis16240_probe_trigger(struct iio_dev *indio_dev)
+{
+	int ret;
+	struct adis16240_state *st = indio_dev->dev_data;
+
+	st->trig = iio_allocate_trigger();
+	st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
+	if (!st->trig->name) {
+		ret = -ENOMEM;
+		goto error_free_trig;
+	}
+	snprintf((char *)st->trig->name,
+		 IIO_TRIGGER_NAME_LENGTH,
+		 "adis16240-dev%d", indio_dev->id);
+	st->trig->dev.parent = &st->us->dev;
+	st->trig->owner = THIS_MODULE;
+	st->trig->private_data = st;
+	st->trig->set_trigger_state = &adis16240_data_rdy_trigger_set_state;
+	st->trig->try_reenable = &adis16240_trig_try_reen;
+	st->trig->control_attrs = &adis16240_trigger_attr_group;
+	ret = iio_trigger_register(st->trig);
+
+	/* select default trigger */
+	indio_dev->trig = st->trig;
+	if (ret)
+		goto error_free_trig_name;
+
+	return 0;
+
+error_free_trig_name:
+	kfree(st->trig->name);
+error_free_trig:
+	iio_free_trigger(st->trig);
+
+	return ret;
+}
+
+void adis16240_remove_trigger(struct iio_dev *indio_dev)
+{
+	struct adis16240_state *state = indio_dev->dev_data;
+
+	iio_trigger_unregister(state->trig);
+	kfree(state->trig->name);
+	iio_free_trigger(state->trig);
+}

From e390b07bc50fc96caa15c594374782e472c27419 Mon Sep 17 00:00:00 2001
From: Matthias Brugger <mensch0815@googlemail.com>
Date: Fri, 7 May 2010 21:39:56 +0200
Subject: [PATCH 1328/3638] staging: adis16255 - TODO issues resolved and typos
 removed

This patch adds the adis16255 driver to the build system under the staging directory.
It solves also most issues mentioned in TODO list:
- sample rate exported to sysfs
- spi_adis16255_bringup and spi_adis16255_shutdown encapsulated
- chip selftest in spi_adis16255_bringup
- kernel messages reduced to a reasonable number
I removed the TODO file, because ther was only the reset of the gyroscope left.
This is IMOH not necessary for the actual driver.

There are also some typos in adis.c file. This patch should get rid of them as well.

Signed-off-by: Matthias Brugger <mensch0815@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig               |   2 +
 drivers/staging/Makefile              |   1 +
 drivers/staging/adis16255/Kconfig     |  10 +-
 drivers/staging/adis16255/Makefile    |   2 +-
 drivers/staging/adis16255/TODO        |   8 -
 drivers/staging/adis16255/adis16255.c | 416 +++++++++++++++-----------
 6 files changed, 253 insertions(+), 186 deletions(-)
 delete mode 100644 drivers/staging/adis16255/TODO

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index e062b092073..06d3b10d2a1 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -137,5 +137,7 @@ source "drivers/staging/cxt1e1/Kconfig"
 
 source "drivers/staging/ti-st/Kconfig"
 
+source "drivers/staging/adis16255/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 097c158d91f..5526870777c 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -49,3 +49,4 @@ obj-$(CONFIG_VIDEO_DT3155)	+= dt3155v4l/
 obj-$(CONFIG_CRYSTALHD)		+= crystalhd/
 obj-$(CONFIG_CXT1E1)		+= cxt1e1/
 obj-$(CONFIG_TI_ST)		+= ti-st/
+obj-$(CONFIG_ADIS16255))		+= adis16255/
diff --git a/drivers/staging/adis16255/Kconfig b/drivers/staging/adis16255/Kconfig
index 3952cf95b78..a642be66ade 100644
--- a/drivers/staging/adis16255/Kconfig
+++ b/drivers/staging/adis16255/Kconfig
@@ -2,8 +2,10 @@ config ADIS16255
 	tristate "Ananlog Devices ADIS16250/16255"
 	depends on SPI && SYSFS
 	---help---
-      If you say yes here you get support for the Analog Devices
-      ADIS16250/16255 Low Power Gyroscope.
+	If you say yes here you get support for the Analog Devices
+	ADIS16250/16255 Low Power Gyroscope. The driver exposes
+	orientation and gyroscope value, as well as sample rate
+	to the sysfs.
 
-      This driver can also be built as a module. If so, the module
-      will be called adis16255.
+	This driver can also be built as a module. If so, the module
+	will be called adis16255.
diff --git a/drivers/staging/adis16255/Makefile b/drivers/staging/adis16255/Makefile
index 8057372d378..8c3908106bf 100644
--- a/drivers/staging/adis16255/Makefile
+++ b/drivers/staging/adis16255/Makefile
@@ -1 +1 @@
-obj-$(CONFIG_ADIS16255) += adis1625.o
+obj-$(CONFIG_ADIS16255)		+= adis16255.o
diff --git a/drivers/staging/adis16255/TODO b/drivers/staging/adis16255/TODO
deleted file mode 100644
index 31e4ac3bdb6..00000000000
--- a/drivers/staging/adis16255/TODO
+++ /dev/null
@@ -1,8 +0,0 @@
-* sample rate changeable or at least readable from sysfs
-* reset gyroscope
-* encapsulate adis_init and adis_turn_off
-* AD_CHK deletion
-* chip selftest in adis_init
-* reduce kernel messages to reasonable amount
-
-Contact: Matthias Brugger <mensch0815@gmail.com>
diff --git a/drivers/staging/adis16255/adis16255.c b/drivers/staging/adis16255/adis16255.c
index 8d110692a03..1ba11f00b2e 100644
--- a/drivers/staging/adis16255/adis16255.c
+++ b/drivers/staging/adis16255/adis16255.c
@@ -21,6 +21,14 @@
  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 
+/*
+ * The driver just has a bare interface to the sysfs (sample rate in Hz,
+ * orientation (x, y, z) and gyroscope data in °/sec.
+ *
+ * It should be added to iio subsystem when this has left staging.
+ *
+ */
+
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/device.h>
@@ -62,14 +70,13 @@
  * @data:      Last read data from device.
  * @irq_adis:  GPIO Number of IRQ signal
  * @irq:       irq line manage by kernel
- * @negative:  indicates if sensor is upside down (negative �1)
+ * @negative:  indicates if sensor is upside down (negative == 1)
  * @direction: indicates axis (x, y, z) the sensor is meassuring
  */
 struct spi_adis16255_data {
 	struct device dev;
 	struct spi_device *spi;
 	s16 data;
-	int irq_adis;
 	int irq;
 	u8 negative;
 	char direction;
@@ -81,47 +88,44 @@ static int spi_adis16255_read_data(struct spi_adis16255_data *spiadis,
 					u8 adr,
 					u8 *rbuf)
 {
-	struct spi_device *spi �piadis->spi;
+	struct spi_device *spi = spiadis->spi;
 	struct spi_message msg;
 	struct spi_transfer xfer1, xfer2;
 	u8 *buf, *rx;
 	int ret;
 
-	buf �malloc(4, GFP_KERNEL);
-	if (buf �NULL)
+	buf = kzalloc(4, GFP_KERNEL);
+	if (buf == NULL)
 		return -ENOMEM;
 
-	rx �zalloc(4, GFP_KERNEL);
-	if (rx �NULL) {
-		ret �ENOMEM;
+	rx = kzalloc(4, GFP_KERNEL);
+	if (rx == NULL) {
+		ret = -ENOMEM;
 		goto err_buf;
 	}
 
-	buf[0] �dr;
-	buf[1] �x00;
-	buf[2] �x00;
-	buf[3] �x00;
+	buf[0] = adr;
 
 	spi_message_init(&msg);
 	memset(&xfer1, 0, sizeof(xfer1));
 	memset(&xfer2, 0, sizeof(xfer2));
 
-	xfer1.tx_buf �uf;
-	xfer1.rx_buf �uf + 2;
-	xfer1.len �;
-	xfer1.delay_usecs �;
+	xfer1.tx_buf = buf;
+	xfer1.rx_buf = buf + 2;
+	xfer1.len = 2;
+	xfer1.delay_usecs = 9;
 
-	xfer2.tx_buf �x + 2;
-	xfer2.rx_buf �x;
-	xfer2.len �;
+	xfer2.tx_buf = rx + 2;
+	xfer2.rx_buf = rx;
+	xfer2.len = 2;
 
 	spi_message_add_tail(&xfer1, &msg);
 	spi_message_add_tail(&xfer2, &msg);
 
-	ret �pi_sync(spi, &msg);
-	if (ret �0) {
-		rbuf[0] �x[0];
-		rbuf[1] �x[1];
+	ret = spi_sync(spi, &msg);
+	if (ret == 0) {
+		rbuf[0] = rx[0];
+		rbuf[1] = rx[1];
 	}
 
 	kfree(rx);
@@ -136,19 +140,19 @@ static int spi_adis16255_write_data(struct spi_adis16255_data *spiadis,
 					u8 adr2,
 					u8 *wbuf)
 {
-	struct spi_device *spi �piadis->spi;
+	struct spi_device *spi = spiadis->spi;
 	struct spi_message   msg;
 	struct spi_transfer  xfer1, xfer2;
 	u8       *buf, *rx;
 	int         ret;
 
-	buf �malloc(4, GFP_KERNEL);
-	if (buf �NULL)
+	buf = kmalloc(4, GFP_KERNEL);
+	if (buf == NULL)
 		return -ENOMEM;
 
-	rx �zalloc(4, GFP_KERNEL);
-	if (rx �NULL) {
-		ret �ENOMEM;
+	rx = kzalloc(4, GFP_KERNEL);
+	if (rx == NULL) {
+		ret = -ENOMEM;
 		goto err_buf;
 	}
 
@@ -156,27 +160,27 @@ static int spi_adis16255_write_data(struct spi_adis16255_data *spiadis,
 	memset(&xfer1, 0, sizeof(xfer1));
 	memset(&xfer2, 0, sizeof(xfer2));
 
-	buf[0] �dr1 | 0x80;
-	buf[1] �wbuf;
+	buf[0] = adr1 | 0x80;
+	buf[1] = *wbuf;
 
-	buf[2] �dr2 | 0x80;
-	buf[3] �(wbuf + 1);
+	buf[2] = adr2 | 0x80;
+	buf[3] = *(wbuf + 1);
 
-	xfer1.tx_buf �uf;
-	xfer1.rx_buf �x;
-	xfer1.len �;
-	xfer1.delay_usecs �;
+	xfer1.tx_buf = buf;
+	xfer1.rx_buf = rx;
+	xfer1.len = 2;
+	xfer1.delay_usecs = 9;
 
-	xfer2.tx_buf �uf+2;
-	xfer2.rx_buf �x+2;
-	xfer2.len �;
+	xfer2.tx_buf = buf+2;
+	xfer2.rx_buf = rx+2;
+	xfer2.len = 2;
 
 	spi_message_add_tail(&xfer1, &msg);
 	spi_message_add_tail(&xfer2, &msg);
 
-	ret �pi_sync(spi, &msg);
-	if (ret !�)
-		dev_warn(&spi->dev, "wirte data to %#x %#x failed\n",
+	ret = spi_sync(spi, &msg);
+	if (ret != 0)
+		dev_warn(&spi->dev, "write data to %#x %#x failed\n",
 				buf[0], buf[2]);
 
 	kfree(rx);
@@ -189,29 +193,31 @@ err_buf:
 
 static irqreturn_t adis_irq_thread(int irq, void *dev_id)
 {
-	struct spi_adis16255_data *spiadis �ev_id;
+	struct spi_adis16255_data *spiadis = dev_id;
 	int status;
-	u16 value;
+	u16 value = 0;
 
-	status �spi_adis16255_read_data(spiadis, ADIS_GYRO_OUT, (u8 *)&value);
-	if (status �0) {
-		/* perform on new data only... */
-		if (value & 0x8000) {
-			/* delete error and new data bit */
-			value �alue & 0x3fff;
-			/* set negative value */
-			if (value & 0x2000)
-				value �alue | 0xe000;
-
-			if (likely(spiadis->negative))
-				value �value;
-
-			spiadis->data �s16) value;
-		}
-	} else {
+	status =  spi_adis16255_read_data(spiadis, ADIS_GYRO_OUT, (u8 *)&value);
+	if (status != 0) {
 		dev_warn(&spiadis->spi->dev, "SPI FAILED\n");
+		goto exit;
 	}
 
+	/* perform on new data only... */
+	if (value & 0x8000) {
+		/* delete error and new data bit */
+		value = value & 0x3fff;
+		/* set negative value */
+		if (value & 0x2000)
+			value = value | 0xe000;
+
+		if (likely(spiadis->negative))
+			value = -value;
+
+		spiadis->data = (s16) value;
+	}
+
+exit:
 	return IRQ_HANDLED;
 }
 
@@ -221,7 +227,7 @@ ssize_t adis16255_show_data(struct device *device,
 		struct device_attribute *da,
 		char *buf)
 {
-	struct spi_adis16255_data *spiadis �ev_get_drvdata(device);
+	struct spi_adis16255_data *spiadis = dev_get_drvdata(device);
 	return snprintf(buf, PAGE_SIZE, "%d\n", spiadis->data);
 }
 DEVICE_ATTR(data, S_IRUGO , adis16255_show_data, NULL);
@@ -230,122 +236,53 @@ ssize_t adis16255_show_direction(struct device *device,
 		struct device_attribute *da,
 		char *buf)
 {
-	struct spi_adis16255_data *spiadis �ev_get_drvdata(device);
+	struct spi_adis16255_data *spiadis = dev_get_drvdata(device);
 	return snprintf(buf, PAGE_SIZE, "%c\n", spiadis->direction);
 }
 DEVICE_ATTR(direction, S_IRUGO , adis16255_show_direction, NULL);
 
-static struct attribute *adis16255_attributes[] �
+ssize_t adis16255_show_sample_rate(struct device *device,
+		struct device_attribute *da,
+		char *buf)
+{
+	struct spi_adis16255_data *spiadis = dev_get_drvdata(device);
+	int status = 0;
+	u16 value = 0;
+	int ts = 0;
+
+	status = spi_adis16255_read_data(spiadis, ADIS_SMPL_PRD_MSB,
+				(u8 *)&value);
+	if (status != 0)
+		return -EINVAL;
+
+	if (value & 0x80) {
+		/* timebase = 60.54 ms */
+		ts = 60540 * ((0x7f & value) + 1);
+	} else {
+		/* timebase = 1.953 ms */
+		ts = 1953 * ((0x7f & value) + 1);
+	}
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", (1000*1000)/ts);
+}
+DEVICE_ATTR(sample_rate, S_IRUGO , adis16255_show_sample_rate, NULL);
+
+static struct attribute *adis16255_attributes[] = {
 	&dev_attr_data.attr,
 	&dev_attr_direction.attr,
+	&dev_attr_sample_rate.attr,
 	NULL
 };
 
-static const struct attribute_group adis16255_attr_group �
-	.attrs �dis16255_attributes,
+static const struct attribute_group adis16255_attr_group = {
+	.attrs = adis16255_attributes,
 };
 
 /*-------------------------------------------------------------------------*/
 
-static int spi_adis16255_probe(struct spi_device *spi)
+static int spi_adis16255_shutdown(struct spi_adis16255_data *spiadis)
 {
-
-#define AD_CHK(_ss)\
-	do {\
-		status �ss;\
-		if (status !�)\
-			goto irq_err;\
-	} while (0);
-
-	struct adis16255_init_data *init_data �pi->dev.platform_data;
-	struct spi_adis16255_data  *spiadis;
-	int status �;
-	u16 value;
-
-	spiadis �zalloc(sizeof(*spiadis), GFP_KERNEL);
-	if (!spiadis)
-		return -ENOMEM;
-
-	spiadis->spi �pi;
-	spiadis->irq_adis �nit_data->irq;
-	spiadis->direction �nit_data->direction;
-
-	if (init_data->negative)
-		spiadis->negative �;
-
-	status �pio_request(spiadis->irq_adis, "adis16255");
-	if (status !�)
-		goto err;
-
-	status �pio_direction_input(spiadis->irq_adis);
-	if (status !�)
-		goto gpio_err;
-
-	spiadis->irq �pio_to_irq(spiadis->irq_adis);
-
-	status �equest_threaded_irq(spiadis->irq,
-			NULL, adis_irq_thread,
-			IRQF_DISABLED, "adis-driver", spiadis);
-
-	if (status !�) {
-		dev_err(&spi->dev, "IRQ request failed\n");
-		goto gpio_err;
-	}
-
-	dev_dbg(&spi->dev, "GPIO %d IRQ %d\n", spiadis->irq_adis, spiadis->irq);
-
-	dev_set_drvdata(&spi->dev, spiadis);
-	AD_CHK(sysfs_create_group(&spi->dev.kobj, &adis16255_attr_group));
-
-	dev_info(&spi->dev, "spi_adis16255 driver added!\n");
-
-	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_SUPPLY_OUT, (u8 *)&value));
-	dev_info(&spi->dev, "sensor works with %d mV (%.4x)!\n",
-			((value & 0x0fff)*18315)/10000,
-			(value & 0x0fff));
-
-	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_GYRO_SCALE, (u8 *)&value));
-	dev_info(&spi->dev, "adis GYRO_SCALE is %.4x\n", value);
-
-	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_STATUS, (u8 *)&value));
-	dev_info(&spi->dev, "adis STATUS is %.4x\n", value);
-
-	/* timebase �.953 ms, Ns � -> 512 Hz sample rate */
-	value �0x0001;
-	AD_CHK(spi_adis16255_write_data(spiadis,
-				ADIS_SMPL_PRD_MSB, ADIS_SMPL_PRD_LSB,
-				(u8 *)&value));
-	value �x0000;
-	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_SMPL_PRD_MSB,
-				(u8 *)&value));
-	dev_info(&spi->dev, "adis SMP_PRD is %.4x\n", value);
-
-	/* set interrupt on new data... */
-	value �x0006;
-	AD_CHK(spi_adis16255_write_data(spiadis,
-				ADIS_MSC_CTRL_MSB, ADIS_MSC_CTRL_LSB,
-				(u8 *)&value));
-	value �x0000;
-	AD_CHK(spi_adis16255_read_data(spiadis, ADIS_MSC_CTRL_MSB,
-				(u8 *)&value));
-	dev_info(&spi->dev, "adis MSC_CONTROL is %.4x\n", value);
-
-	return status;
-
-irq_err:
-	free_irq(spiadis->irq, spiadis);
-gpio_err:
-	gpio_free(spiadis->irq_adis);
-err:
-	kfree(spiadis);
-	return status;
-}
-
-static int spi_adis16255_remove(struct spi_device *spi)
-{
-	u16 value �;
-	struct spi_adis16255_data  *spiadis    �ev_get_drvdata(&spi->dev);
-
+	u16 value = 0;
 	/* turn sensor off */
 	spi_adis16255_write_data(spiadis,
 			ADIS_SMPL_PRD_MSB, ADIS_SMPL_PRD_LSB,
@@ -353,12 +290,145 @@ static int spi_adis16255_remove(struct spi_device *spi)
 	spi_adis16255_write_data(spiadis,
 			ADIS_MSC_CTRL_MSB, ADIS_MSC_CTRL_LSB,
 			(u8 *)&value);
+	return 0;
+}
 
-	dev_info(&spi->dev, "unregister: GPIO %d IRQ %d\n",
-		spiadis->irq_adis, spiadis->irq);
+static int spi_adis16255_bringup(struct spi_adis16255_data *spiadis)
+{
+	int status = 0;
+	u16 value = 0;
+
+	status = spi_adis16255_read_data(spiadis, ADIS_GYRO_SCALE,
+				(u8 *)&value);
+	if (status != 0)
+		goto err;
+	if (value != 0x0800) {
+		dev_warn(&spiadis->spi->dev, "Scale factor is none default"
+				"value (%.4x)\n", value);
+	}
+
+	/* timebase = 1.953 ms, Ns = 0 -> 512 Hz sample rate */
+	value =  0x0001;
+	status = spi_adis16255_write_data(spiadis,
+				ADIS_SMPL_PRD_MSB, ADIS_SMPL_PRD_LSB,
+				(u8 *)&value);
+	if (status != 0)
+		goto err;
+
+	/* start internal self-test */
+	value = 0x0400;
+	status = spi_adis16255_write_data(spiadis,
+				ADIS_MSC_CTRL_MSB, ADIS_MSC_CTRL_LSB,
+				(u8 *)&value);
+	if (status != 0)
+		goto err;
+
+	/* wait 35 ms to finish self-test */
+	msleep(35);
+
+	value = 0x0000;
+	status = spi_adis16255_read_data(spiadis, ADIS_STATUS,
+				(u8 *)&value);
+	if (status != 0)
+		goto err;
+
+	if (value & 0x23) {
+		if (value & 0x20) {
+			dev_warn(&spiadis->spi->dev, "self-test error\n");
+			status = -ENODEV;
+			goto err;
+		} else if (value & 0x3)	{
+			dev_warn(&spiadis->spi->dev, "Sensor voltage"
+						"out of range.\n");
+			status = -ENODEV;
+			goto err;
+		}
+	}
+
+	/* set interrupt to active high on DIO0 when data ready */
+	value = 0x0006;
+	status = spi_adis16255_write_data(spiadis,
+				ADIS_MSC_CTRL_MSB, ADIS_MSC_CTRL_LSB,
+				(u8 *)&value);
+	if (status != 0)
+		goto err;
+	return status;
+
+err:
+	spi_adis16255_shutdown(spiadis);
+	return status;
+}
+
+/*-------------------------------------------------------------------------*/
+
+static int spi_adis16255_probe(struct spi_device *spi)
+{
+
+	struct adis16255_init_data *init_data = spi->dev.platform_data;
+	struct spi_adis16255_data  *spiadis;
+	int status = 0;
+
+	spiadis = kzalloc(sizeof(*spiadis), GFP_KERNEL);
+	if (!spiadis)
+		return -ENOMEM;
+
+	spiadis->spi = spi;
+	spiadis->direction = init_data->direction;
+
+	if (init_data->negative)
+		spiadis->negative = 1;
+
+	status = gpio_request(init_data->irq, "adis16255");
+	if (status != 0)
+		goto err;
+
+	status = gpio_direction_input(init_data->irq);
+	if (status != 0)
+		goto gpio_err;
+
+	spiadis->irq = gpio_to_irq(init_data->irq);
+
+	status = request_threaded_irq(spiadis->irq,
+			NULL, adis_irq_thread,
+			IRQF_DISABLED, "adis-driver", spiadis);
+
+	if (status != 0) {
+		dev_err(&spi->dev, "IRQ request failed\n");
+		goto gpio_err;
+	}
+
+	dev_dbg(&spi->dev, "GPIO %d IRQ %d\n", init_data->irq, spiadis->irq);
+
+	dev_set_drvdata(&spi->dev, spiadis);
+	status = sysfs_create_group(&spi->dev.kobj, &adis16255_attr_group);
+	if (status != 0)
+		goto irq_err;
+
+	status = spi_adis16255_bringup(spiadis);
+	if (status != 0)
+		goto irq_err;
+
+	dev_info(&spi->dev, "spi_adis16255 driver added!\n");
+
+	return status;
+
+irq_err:
+	free_irq(spiadis->irq, spiadis);
+gpio_err:
+	gpio_free(init_data->irq);
+err:
+	kfree(spiadis);
+	return status;
+}
+
+static int spi_adis16255_remove(struct spi_device *spi)
+{
+	struct spi_adis16255_data  *spiadis    = dev_get_drvdata(&spi->dev);
+
+	spi_adis16255_shutdown(spiadis);
 
 	free_irq(spiadis->irq, spiadis);
-	gpio_free(spiadis->irq_adis);
+	gpio_free(irq_to_gpio(spiadis->irq));
 
 	sysfs_remove_group(&spiadis->spi->dev.kobj, &adis16255_attr_group);
 
@@ -368,13 +438,13 @@ static int spi_adis16255_remove(struct spi_device *spi)
 	return 0;
 }
 
-static struct spi_driver spi_adis16255_drv �
-	.driver �
-		.name �"spi_adis16255",
-		.owner �HIS_MODULE,
+static struct spi_driver spi_adis16255_drv = {
+	.driver = {
+		.name =  "spi_adis16255",
+		.owner = THIS_MODULE,
 	},
-	.probe �pi_adis16255_probe,
-	.remove � __devexit_p(spi_adis16255_remove),
+	.probe = spi_adis16255_probe,
+	.remove =   __devexit_p(spi_adis16255_remove),
 };
 
 /*-------------------------------------------------------------------------*/

From 7fb794b32cbd7e97e37628cb67279b86c1436e84 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Fri, 7 May 2010 12:30:18 -0700
Subject: [PATCH 1329/3638] Staging: vt6655: remove unused SUCCESS definition
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/ttype.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/staging/vt6655/ttype.h b/drivers/staging/vt6655/ttype.h
index 4dfad04bb25..dc061c6402e 100644
--- a/drivers/staging/vt6655/ttype.h
+++ b/drivers/staging/vt6655/ttype.h
@@ -58,11 +58,6 @@ typedef int             BOOL;
 #define FALSE           0
 #endif
 
-
-#if !defined(SUCCESS)
-#define SUCCESS         0
-#endif
-
 //2007-0809-01<Add>by MikeLiu
 #ifndef  update_BssList
 #define update_BssList

From 512abd006d57f9e12905dae8d63c7b08474f8f87 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 11 May 2010 14:48:51 -0700
Subject: [PATCH 1330/3638] Staging: fix typo in Makefile

This actually gets the adis16255 driver to build properly.

Cc: Matthias Brugger <mensch0815@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 5526870777c..d5fdf134981 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -49,4 +49,4 @@ obj-$(CONFIG_VIDEO_DT3155)	+= dt3155v4l/
 obj-$(CONFIG_CRYSTALHD)		+= crystalhd/
 obj-$(CONFIG_CXT1E1)		+= cxt1e1/
 obj-$(CONFIG_TI_ST)		+= ti-st/
-obj-$(CONFIG_ADIS16255))		+= adis16255/
+obj-$(CONFIG_ADIS16255)		+= adis16255/

From 6b35b7b3798b652a57fbce480f350aac851431c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Fri, 7 May 2010 12:30:19 -0700
Subject: [PATCH 1331/3638] Staging: vt6655: remove VOID definition and use
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/80211mgr.c    | 44 +++++++-------
 drivers/staging/vt6655/80211mgr.h    | 44 +++++++-------
 drivers/staging/vt6655/baseband.c    | 34 +++++------
 drivers/staging/vt6655/baseband.h    | 26 ++++----
 drivers/staging/vt6655/bssdb.c       | 30 +++++-----
 drivers/staging/vt6655/bssdb.h       | 18 +++---
 drivers/staging/vt6655/card.c        | 24 ++++----
 drivers/staging/vt6655/card.h        | 18 +++---
 drivers/staging/vt6655/datarate.c    |  8 +--
 drivers/staging/vt6655/datarate.h    |  4 +-
 drivers/staging/vt6655/device.h      |  4 +-
 drivers/staging/vt6655/device_main.c |  6 +-
 drivers/staging/vt6655/dpc.c         | 10 ++--
 drivers/staging/vt6655/dpc.h         |  2 +-
 drivers/staging/vt6655/ioctl.c       |  2 +-
 drivers/staging/vt6655/ioctl.h       |  2 +-
 drivers/staging/vt6655/key.c         |  8 +--
 drivers/staging/vt6655/key.h         |  6 +-
 drivers/staging/vt6655/mac.c         |  8 +--
 drivers/staging/vt6655/mac.h         | 52 ++++++++--------
 drivers/staging/vt6655/michael.c     | 24 ++++----
 drivers/staging/vt6655/michael.h     |  8 +--
 drivers/staging/vt6655/power.c       |  6 +-
 drivers/staging/vt6655/power.h       |  6 +-
 drivers/staging/vt6655/rc4.c         |  4 +-
 drivers/staging/vt6655/rc4.h         |  2 +-
 drivers/staging/vt6655/rf.c          |  2 +-
 drivers/staging/vt6655/rf.h          |  2 +-
 drivers/staging/vt6655/rxtx.c        | 24 ++++----
 drivers/staging/vt6655/rxtx.h        | 10 ++--
 drivers/staging/vt6655/srom.h        |  2 +-
 drivers/staging/vt6655/tkip.c        |  2 +-
 drivers/staging/vt6655/tkip.h        |  2 +-
 drivers/staging/vt6655/ttype.h       |  4 --
 drivers/staging/vt6655/vntwifi.c     | 20 +++----
 drivers/staging/vt6655/vntwifi.h     | 20 +++----
 drivers/staging/vt6655/wcmd.c        | 12 ++--
 drivers/staging/vt6655/wcmd.h        |  8 +--
 drivers/staging/vt6655/wmgr.c        | 90 ++++++++++++++--------------
 drivers/staging/vt6655/wmgr.h        | 20 +++----
 drivers/staging/vt6655/wpa.c         |  4 +-
 drivers/staging/vt6655/wpa.h         |  4 +-
 drivers/staging/vt6655/wpa2.c        |  4 +-
 drivers/staging/vt6655/wpa2.h        |  4 +-
 44 files changed, 315 insertions(+), 319 deletions(-)

diff --git a/drivers/staging/vt6655/80211mgr.c b/drivers/staging/vt6655/80211mgr.c
index d309049370e..da964a92f96 100644
--- a/drivers/staging/vt6655/80211mgr.c
+++ b/drivers/staging/vt6655/80211mgr.c
@@ -89,7 +89,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
  *
 -*/
 
-VOID
+void
 vMgrEncodeBeacon(
     IN  PWLAN_FR_BEACON  pFrame
      )
@@ -121,7 +121,7 @@ vMgrEncodeBeacon(
 -*/
 
 
-VOID
+void
 vMgrDecodeBeacon(
     IN  PWLAN_FR_BEACON  pFrame
     )
@@ -242,7 +242,7 @@ vMgrDecodeBeacon(
 -*/
 
 
-VOID
+void
 vMgrEncodeIBSSATIM(
     IN  PWLAN_FR_IBSSATIM   pFrame
     )
@@ -265,7 +265,7 @@ vMgrEncodeIBSSATIM(
  *
 -*/
 
-VOID
+void
 vMgrDecodeIBSSATIM(
     IN  PWLAN_FR_IBSSATIM   pFrame
     )
@@ -287,7 +287,7 @@ vMgrDecodeIBSSATIM(
  *
 -*/
 
-VOID
+void
 vMgrEncodeDisassociation(
     IN  PWLAN_FR_DISASSOC  pFrame
     )
@@ -315,7 +315,7 @@ vMgrEncodeDisassociation(
  *
 -*/
 
-VOID
+void
 vMgrDecodeDisassociation(
     IN  PWLAN_FR_DISASSOC  pFrame
     )
@@ -341,7 +341,7 @@ vMgrDecodeDisassociation(
 -*/
 
 
-VOID
+void
 vMgrEncodeAssocRequest(
     IN  PWLAN_FR_ASSOCREQ  pFrame
     )
@@ -368,7 +368,7 @@ vMgrEncodeAssocRequest(
  *
 -*/
 
-VOID
+void
 vMgrDecodeAssocRequest(
     IN  PWLAN_FR_ASSOCREQ  pFrame
     )
@@ -434,7 +434,7 @@ vMgrDecodeAssocRequest(
  *
 -*/
 
-VOID
+void
 vMgrEncodeAssocResponse(
     IN  PWLAN_FR_ASSOCRESP  pFrame
      )
@@ -466,7 +466,7 @@ vMgrEncodeAssocResponse(
  *
 -*/
 
-VOID
+void
 vMgrDecodeAssocResponse(
     IN PWLAN_FR_ASSOCRESP  pFrame
      )
@@ -512,7 +512,7 @@ vMgrDecodeAssocResponse(
  *
 -*/
 
-VOID
+void
 vMgrEncodeReassocRequest(
     IN  PWLAN_FR_REASSOCREQ  pFrame
      )
@@ -544,7 +544,7 @@ vMgrEncodeReassocRequest(
 -*/
 
 
-VOID
+void
 vMgrDecodeReassocRequest(
     IN  PWLAN_FR_REASSOCREQ  pFrame
      )
@@ -616,7 +616,7 @@ vMgrDecodeReassocRequest(
 -*/
 
 
-VOID
+void
 vMgrEncodeProbeRequest(
     IN PWLAN_FR_PROBEREQ  pFrame
      )
@@ -637,7 +637,7 @@ vMgrEncodeProbeRequest(
  *
 -*/
 
-VOID
+void
 vMgrDecodeProbeRequest(
     IN PWLAN_FR_PROBEREQ  pFrame
      )
@@ -690,7 +690,7 @@ vMgrDecodeProbeRequest(
 -*/
 
 
-VOID
+void
 vMgrEncodeProbeResponse(
     IN PWLAN_FR_PROBERESP  pFrame
     )
@@ -724,7 +724,7 @@ vMgrEncodeProbeResponse(
  *
 -*/
 
-VOID
+void
 vMgrDecodeProbeResponse(
     IN PWLAN_FR_PROBERESP  pFrame
     )
@@ -838,7 +838,7 @@ vMgrDecodeProbeResponse(
  *
 -*/
 
-VOID
+void
 vMgrEncodeAuthen(
     IN  PWLAN_FR_AUTHEN  pFrame
     )
@@ -869,7 +869,7 @@ vMgrEncodeAuthen(
  *
 -*/
 
-VOID
+void
 vMgrDecodeAuthen(
     IN  PWLAN_FR_AUTHEN  pFrame
     )
@@ -909,7 +909,7 @@ vMgrDecodeAuthen(
  *
 -*/
 
-VOID
+void
 vMgrEncodeDeauthen(
     IN  PWLAN_FR_DEAUTHEN  pFrame
     )
@@ -936,7 +936,7 @@ vMgrEncodeDeauthen(
  *
 -*/
 
-VOID
+void
 vMgrDecodeDeauthen(
     IN  PWLAN_FR_DEAUTHEN  pFrame
     )
@@ -962,7 +962,7 @@ vMgrDecodeDeauthen(
  *
 -*/
 
-VOID
+void
 vMgrEncodeReassocResponse(
     IN  PWLAN_FR_REASSOCRESP  pFrame
      )
@@ -995,7 +995,7 @@ vMgrEncodeReassocResponse(
 -*/
 
 
-VOID
+void
 vMgrDecodeReassocResponse(
     IN  PWLAN_FR_REASSOCRESP  pFrame
      )
diff --git a/drivers/staging/vt6655/80211mgr.h b/drivers/staging/vt6655/80211mgr.h
index 5efc13227eb..c3eafd28da4 100644
--- a/drivers/staging/vt6655/80211mgr.h
+++ b/drivers/staging/vt6655/80211mgr.h
@@ -714,112 +714,112 @@ typedef struct tagWLAN_FR_DEAUTHEN {
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID
+void
 vMgrEncodeBeacon(
     IN  PWLAN_FR_BEACON  pFrame
      );
 
-VOID
+void
 vMgrDecodeBeacon(
     IN  PWLAN_FR_BEACON  pFrame
     );
 
-VOID
+void
 vMgrEncodeIBSSATIM(
     IN  PWLAN_FR_IBSSATIM   pFrame
     );
 
-VOID
+void
 vMgrDecodeIBSSATIM(
     IN  PWLAN_FR_IBSSATIM   pFrame
     );
 
-VOID
+void
 vMgrEncodeDisassociation(
     IN  PWLAN_FR_DISASSOC  pFrame
     );
 
-VOID
+void
 vMgrDecodeDisassociation(
     IN  PWLAN_FR_DISASSOC  pFrame
     );
 
-VOID
+void
 vMgrEncodeAssocRequest(
     IN  PWLAN_FR_ASSOCREQ  pFrame
     );
 
-VOID
+void
 vMgrDecodeAssocRequest(
     IN  PWLAN_FR_ASSOCREQ  pFrame
     );
 
-VOID
+void
 vMgrEncodeAssocResponse(
     IN  PWLAN_FR_ASSOCRESP  pFrame
     );
 
-VOID
+void
 vMgrDecodeAssocResponse(
     IN PWLAN_FR_ASSOCRESP  pFrame
     );
 
-VOID
+void
 vMgrEncodeReassocRequest(
     IN  PWLAN_FR_REASSOCREQ  pFrame
     );
 
-VOID
+void
 vMgrDecodeReassocRequest(
     IN  PWLAN_FR_REASSOCREQ  pFrame
     );
 
-VOID
+void
 vMgrEncodeProbeRequest(
     IN PWLAN_FR_PROBEREQ  pFrame
     );
 
-VOID
+void
 vMgrDecodeProbeRequest(
     IN PWLAN_FR_PROBEREQ  pFrame
     );
 
-VOID
+void
 vMgrEncodeProbeResponse(
     IN PWLAN_FR_PROBERESP  pFrame
     );
 
-VOID
+void
 vMgrDecodeProbeResponse(
     IN PWLAN_FR_PROBERESP  pFrame
     );
 
-VOID
+void
 vMgrEncodeAuthen(
     IN  PWLAN_FR_AUTHEN  pFrame
     );
 
-VOID
+void
 vMgrDecodeAuthen(
     IN  PWLAN_FR_AUTHEN  pFrame
     );
 
-VOID
+void
 vMgrEncodeDeauthen(
     IN  PWLAN_FR_DEAUTHEN  pFrame
     );
 
-VOID
+void
 vMgrDecodeDeauthen(
     IN  PWLAN_FR_DEAUTHEN  pFrame
     );
 
-VOID
+void
 vMgrEncodeReassocResponse(
     IN  PWLAN_FR_REASSOCRESP  pFrame
     );
 
-VOID
+void
 vMgrDecodeReassocResponse(
     IN  PWLAN_FR_REASSOCRESP  pFrame
     );
diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c
index cd5b8ea0253..16d7db350bb 100644
--- a/drivers/staging/vt6655/baseband.c
+++ b/drivers/staging/vt6655/baseband.c
@@ -1723,13 +1723,13 @@ ULONG
 s_ulGetRatio(PSDevice pDevice);
 
 static
-VOID
+void
 s_vChangeAntenna(
     IN PSDevice pDevice
     );
 
 static
-VOID
+void
 s_vChangeAntenna (
     IN PSDevice pDevice
     )
@@ -1843,7 +1843,7 @@ BBuGetFrameTime (
  * Return Value: none
  *
  */
-VOID
+void
 BBvCaculateParameter (
     IN  PSDevice pDevice,
     IN  UINT cbFrameLength,
@@ -2321,7 +2321,7 @@ BOOL BBbVT3253Init (PSDevice pDevice)
  * Return Value: none
  *
  */
-VOID BBvReadAllRegs (DWORD_PTR dwIoBase, PBYTE pbyBBRegs)
+void BBvReadAllRegs (DWORD_PTR dwIoBase, PBYTE pbyBBRegs)
 {
     int  ii;
     BYTE byBase = 1;
@@ -2438,7 +2438,7 @@ void BBvLoopbackOff (PSDevice pDevice)
  * Return Value: none
  *
  */
-VOID
+void
 BBvSetShortSlotTime (PSDevice pDevice)
 {
     BYTE byBBRxConf=0;
@@ -2462,7 +2462,7 @@ BBvSetShortSlotTime (PSDevice pDevice)
 
 }
 
-VOID BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData)
+void BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData)
 {
     BYTE byBBRxConf=0;
 
@@ -2494,7 +2494,7 @@ VOID BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData)
  * Return Value: none
  *
  */
-VOID
+void
 BBvSoftwareReset (DWORD_PTR dwIoBase)
 {
     BBbWriteEmbeded(dwIoBase, 0x50, 0x40);
@@ -2515,7 +2515,7 @@ BBvSoftwareReset (DWORD_PTR dwIoBase)
  * Return Value: none
  *
  */
-VOID
+void
 BBvPowerSaveModeON (DWORD_PTR dwIoBase)
 {
     BYTE byOrgData;
@@ -2537,7 +2537,7 @@ BBvPowerSaveModeON (DWORD_PTR dwIoBase)
  * Return Value: none
  *
  */
-VOID
+void
 BBvPowerSaveModeOFF (DWORD_PTR dwIoBase)
 {
     BYTE byOrgData;
@@ -2561,7 +2561,7 @@ BBvPowerSaveModeOFF (DWORD_PTR dwIoBase)
  *
  */
 
-VOID
+void
 BBvSetTxAntennaMode (DWORD_PTR dwIoBase, BYTE byAntennaMode)
 {
     BYTE byBBTxConf;
@@ -2603,7 +2603,7 @@ BBvSetTxAntennaMode (DWORD_PTR dwIoBase, BYTE byAntennaMode)
  *
  */
 
-VOID
+void
 BBvSetRxAntennaMode (DWORD_PTR dwIoBase, BYTE byAntennaMode)
 {
     BYTE byBBRxConf;
@@ -2634,14 +2634,14 @@ BBvSetRxAntennaMode (DWORD_PTR dwIoBase, BYTE byAntennaMode)
  * Return Value: none
  *
  */
-VOID
+void
 BBvSetDeepSleep (DWORD_PTR dwIoBase, BYTE byLocalID)
 {
     BBbWriteEmbeded(dwIoBase, 0x0C, 0x17);//CR12
     BBbWriteEmbeded(dwIoBase, 0x0D, 0xB9);//CR13
 }
 
-VOID
+void
 BBvExitDeepSleep (DWORD_PTR dwIoBase, BYTE byLocalID)
 {
     BBbWriteEmbeded(dwIoBase, 0x0C, 0x00);//CR12
@@ -2759,7 +2759,7 @@ ULONG   ulPacketNum;
 }
 
 
-VOID
+void
 BBvClearAntDivSQ3Value (PSDevice pDevice)
 {
     UINT    ii;
@@ -2786,7 +2786,7 @@ BBvClearAntDivSQ3Value (PSDevice pDevice)
  *
  */
 
-VOID
+void
 BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
 {
 
@@ -2876,7 +2876,7 @@ BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
  *
 -*/
 
-VOID
+void
 TimerSQ3CallBack (
     IN  HANDLE      hDeviceContext
     )
@@ -2924,7 +2924,7 @@ TimerSQ3CallBack (
  *
 -*/
 
-VOID
+void
 TimerState1CallBack (
     IN  HANDLE      hDeviceContext
     )
diff --git a/drivers/staging/vt6655/baseband.h b/drivers/staging/vt6655/baseband.h
index 0682a396ea4..de9b84acd6a 100644
--- a/drivers/staging/vt6655/baseband.h
+++ b/drivers/staging/vt6655/baseband.h
@@ -126,7 +126,7 @@ BBuGetFrameTime(
     IN WORD wRate
     );
 
-VOID
+void
 BBvCaculateParameter (
     IN  PSDevice pDevice,
     IN  UINT cbFrameLength,
@@ -140,38 +140,38 @@ BBvCaculateParameter (
 BOOL BBbReadEmbeded(DWORD_PTR dwIoBase, BYTE byBBAddr, PBYTE pbyData);
 BOOL BBbWriteEmbeded(DWORD_PTR dwIoBase, BYTE byBBAddr, BYTE byData);
 
-VOID BBvReadAllRegs(DWORD_PTR dwIoBase, PBYTE pbyBBRegs);
+void BBvReadAllRegs(DWORD_PTR dwIoBase, PBYTE pbyBBRegs);
 void BBvLoopbackOn(PSDevice pDevice);
 void BBvLoopbackOff(PSDevice pDevice);
 void BBvSetShortSlotTime(PSDevice pDevice);
 BOOL BBbIsRegBitsOn(DWORD_PTR dwIoBase, BYTE byBBAddr, BYTE byTestBits);
 BOOL BBbIsRegBitsOff(DWORD_PTR dwIoBase, BYTE byBBAddr, BYTE byTestBits);
-VOID BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData);
+void BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData);
 
 // VT3253 Baseband
 BOOL BBbVT3253Init(PSDevice pDevice);
-VOID BBvSoftwareReset(DWORD_PTR dwIoBase);
-VOID BBvPowerSaveModeON(DWORD_PTR dwIoBase);
-VOID BBvPowerSaveModeOFF(DWORD_PTR dwIoBase);
-VOID BBvSetTxAntennaMode(DWORD_PTR dwIoBase, BYTE byAntennaMode);
-VOID BBvSetRxAntennaMode(DWORD_PTR dwIoBase, BYTE byAntennaMode);
-VOID BBvSetDeepSleep(DWORD_PTR dwIoBase, BYTE byLocalID);
-VOID BBvExitDeepSleep(DWORD_PTR dwIoBase, BYTE byLocalID);
+void BBvSoftwareReset(DWORD_PTR dwIoBase);
+void BBvPowerSaveModeON(DWORD_PTR dwIoBase);
+void BBvPowerSaveModeOFF(DWORD_PTR dwIoBase);
+void BBvSetTxAntennaMode(DWORD_PTR dwIoBase, BYTE byAntennaMode);
+void BBvSetRxAntennaMode(DWORD_PTR dwIoBase, BYTE byAntennaMode);
+void BBvSetDeepSleep(DWORD_PTR dwIoBase, BYTE byLocalID);
+void BBvExitDeepSleep(DWORD_PTR dwIoBase, BYTE byLocalID);
 
 // timer for antenna diversity
 
-VOID
+void
 TimerSQ3CallBack (
     IN  HANDLE      hDeviceContext
     );
 
-VOID
+void
 TimerState1CallBack(
     IN  HANDLE      hDeviceContext
     );
 
 void BBvAntennaDiversity(PSDevice pDevice, BYTE byRxRate, BYTE bySQ3);
-VOID
+void
 BBvClearAntDivSQ3Value (PSDevice pDevice);
 
 #endif // __BASEBAND_H__
diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c
index 9535d4473c5..baa83e269fd 100644
--- a/drivers/staging/vt6655/bssdb.c
+++ b/drivers/staging/vt6655/bssdb.c
@@ -90,18 +90,18 @@ const WORD             awHWRetry1[5][5] = {
 
 /*---------------------  Static Functions  --------------------------*/
 
-VOID s_vCheckSensitivity(
+void s_vCheckSensitivity(
     IN HANDLE hDeviceContext
     );
 
 #ifdef Calcu_LinkQual
-VOID s_uCalculateLinkQual(
+void s_uCalculateLinkQual(
     IN HANDLE hDeviceContext
     );
 #endif
 
 
-VOID s_vCheckPreEDThreshold(
+void s_vCheckPreEDThreshold(
     IN HANDLE hDeviceContext
     );
 /*---------------------  Export Variables  --------------------------*/
@@ -280,7 +280,7 @@ if(pDevice->bLinkPass==FALSE) pCurrBSS->bSelected = FALSE;
 -*/
 
 
-VOID
+void
 BSSvClearBSSList(
     IN HANDLE hDeviceContext,
     IN BOOL bKeepCurrBSSID
@@ -797,7 +797,7 @@ BSSDBbIsSTAInNodeDB(
  *    None
  *
 -*/
-VOID
+void
 BSSvCreateOneNode(
     IN HANDLE hDeviceContext,
     OUT PUINT puNodeIndex
@@ -862,7 +862,7 @@ BSSvCreateOneNode(
  *    None
  *
 -*/
-VOID
+void
 BSSvRemoveOneNode(
     IN HANDLE hDeviceContext,
     IN UINT uNodeIndex
@@ -895,7 +895,7 @@ BSSvRemoveOneNode(
  *
 -*/
 
-VOID
+void
 BSSvUpdateAPNode(
     IN HANDLE hDeviceContext,
     IN PWORD pwCapInfo,
@@ -958,7 +958,7 @@ BSSvUpdateAPNode(
 -*/
 
 
-VOID
+void
 BSSvAddMulticastNode(
     IN HANDLE hDeviceContext
     )
@@ -1011,7 +1011,7 @@ BSSvAddMulticastNode(
 BOOL cc=FALSE;
 UINT status;
 #endif
-VOID
+void
 BSSvSecondCallBack(
     IN  HANDLE hDeviceContext
     )
@@ -1388,7 +1388,7 @@ start:
 
 
 
-VOID
+void
 BSSvUpdateNodeTxCounter(
     IN HANDLE      hDeviceContext,
     IN BYTE        byTsr0,
@@ -1581,7 +1581,7 @@ BSSvUpdateNodeTxCounter(
 -*/
 
 
-VOID
+void
 BSSvClearNodeDBTable(
     IN HANDLE hDeviceContext,
     IN UINT uStartIndex
@@ -1610,7 +1610,7 @@ BSSvClearNodeDBTable(
 };
 
 
-VOID s_vCheckSensitivity(
+void s_vCheckSensitivity(
     IN HANDLE hDeviceContext
     )
 {
@@ -1659,7 +1659,7 @@ VOID s_vCheckSensitivity(
 }
 
 
-VOID
+void
 BSSvClearAnyBSSJoinRecord (
     IN HANDLE hDeviceContext
     )
@@ -1675,7 +1675,7 @@ BSSvClearAnyBSSJoinRecord (
 }
 
 #ifdef Calcu_LinkQual
-VOID s_uCalculateLinkQual(
+void s_uCalculateLinkQual(
     IN HANDLE hDeviceContext
     )
 {
@@ -1723,7 +1723,7 @@ else
 }
 #endif
 
-VOID s_vCheckPreEDThreshold(
+void s_vCheckPreEDThreshold(
     IN HANDLE hDeviceContext
     )
 {
diff --git a/drivers/staging/vt6655/bssdb.h b/drivers/staging/vt6655/bssdb.h
index 5ce4ef9c1bd..86a1f673290 100644
--- a/drivers/staging/vt6655/bssdb.h
+++ b/drivers/staging/vt6655/bssdb.h
@@ -257,7 +257,7 @@ BSSpAddrIsInBSSList(
     IN PWLAN_IE_SSID pSSID
     );
 
-VOID
+void
 BSSvClearBSSList(
     IN HANDLE hDeviceContext,
     IN BOOL bKeepCurrBSSID
@@ -315,13 +315,13 @@ BSSDBbIsSTAInNodeDB(
     OUT PUINT puNodeIndex
     );
 
-VOID
+void
 BSSvCreateOneNode(
     IN HANDLE hDeviceContext,
     OUT PUINT puNodeIndex
     );
 
-VOID
+void
 BSSvUpdateAPNode(
     IN HANDLE hDeviceContext,
     IN PWORD pwCapInfo,
@@ -330,13 +330,13 @@ BSSvUpdateAPNode(
     );
 
 
-VOID
+void
 BSSvSecondCallBack(
     IN HANDLE hDeviceContext
     );
 
 
-VOID
+void
 BSSvUpdateNodeTxCounter(
     IN HANDLE hDeviceContext,
     IN BYTE        byTsr0,
@@ -345,25 +345,25 @@ BSSvUpdateNodeTxCounter(
     IN UINT        uFIFOHeaderSize
     );
 
-VOID
+void
 BSSvRemoveOneNode(
     IN HANDLE hDeviceContext,
     IN UINT uNodeIndex
     );
 
-VOID
+void
 BSSvAddMulticastNode(
     IN HANDLE hDeviceContext
     );
 
 
-VOID
+void
 BSSvClearNodeDBTable(
     IN HANDLE hDeviceContext,
     IN UINT uStartIndex
     );
 
-VOID
+void
 BSSvClearAnyBSSJoinRecord(
     IN HANDLE hDeviceContext
     );
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index bf4fd49709d..091fbeabb6d 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -423,7 +423,7 @@ SCountryTable ChannelRuleTab[CCODE_MAX+1] =
 /*---------------------  Static Functions  --------------------------*/
 
 static
-VOID
+void
 s_vCaculateOFDMRParameter(
     IN  BYTE byRate,
     IN  CARD_PHY_TYPE ePHYType,
@@ -496,7 +496,7 @@ exit:
  *
  */
 static
-VOID
+void
 s_vCaculateOFDMRParameter (
     IN  BYTE byRate,
     IN  CARD_PHY_TYPE ePHYType,
@@ -611,7 +611,7 @@ s_vCaculateOFDMRParameter (
  *
  */
 static
-VOID
+void
 s_vSetRSPINF (PSDevice pDevice, CARD_PHY_TYPE ePHYType, PVOID pvSupportRateIEs, PVOID pvExtSupportRateIEs)
 {
     BYTE  byServ = 0, bySignal = 0; // For CCK
@@ -1611,7 +1611,7 @@ CARDpGetCurrentAddress (
 
 
 
-VOID CARDvInitChannelTable (PVOID pDeviceHandler)
+void CARDvInitChannelTable (PVOID pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BOOL        bMultiBand = FALSE;
@@ -2033,7 +2033,7 @@ CARDbStartQuiet (
  * Return Value: none.
  *
 -*/
-VOID
+void
 CARDvSetCountryInfo (
     IN PVOID            pDeviceHandler,
     IN CARD_PHY_TYPE    ePHYType,
@@ -2092,7 +2092,7 @@ CARDvSetCountryInfo (
  * Return Value: none.
  *
 -*/
-VOID
+void
 CARDvSetPowerConstraint (
     IN PVOID            pDeviceHandler,
     IN BYTE             byChannel,
@@ -2127,7 +2127,7 @@ CARDvSetPowerConstraint (
  * Return Value: none.
  *
 -*/
-VOID
+void
 CARDvGetPowerCapability (
     IN PVOID            pDeviceHandler,
     OUT PBYTE           pbyMinPower,
@@ -2279,7 +2279,7 @@ CARDbChannelGetList (
 }
 
 
-VOID
+void
 CARDvSetCountryIE(
     IN PVOID        pDeviceHandler,
     IN PVOID        pIE
@@ -2324,7 +2324,7 @@ CARDbGetChannelMapInfo(
 }
 
 
-VOID
+void
 CARDvSetChannelMapInfo(
     IN PVOID        pDeviceHandler,
     IN UINT         uChannelIndex,
@@ -2340,7 +2340,7 @@ CARDvSetChannelMapInfo(
 }
 
 
-VOID
+void
 CARDvClearChannelMapInfo(
     IN PVOID        pDeviceHandler
     )
@@ -2420,7 +2420,7 @@ CARDbyAutoChannelSelect(
 
 
 //xxx
-VOID
+void
 CARDvSafeResetTx (
     IN PVOID    pDeviceHandler
     )
@@ -2476,7 +2476,7 @@ CARDvSafeResetTx (
  * Return Value: none
  *
 -*/
-VOID
+void
 CARDvSafeResetRx (
     IN PVOID    pDeviceHandler
     )
diff --git a/drivers/staging/vt6655/card.h b/drivers/staging/vt6655/card.h
index 264b844cf05..6a9980d720a 100644
--- a/drivers/staging/vt6655/card.h
+++ b/drivers/staging/vt6655/card.h
@@ -101,8 +101,8 @@ QWORD CARDqGetNextTBTT(QWORD qwTSF, WORD wBeaconInterval);
 QWORD CARDqGetTSFOffset(BYTE byRxRate, QWORD qwTSF1, QWORD qwTSF2);
 BOOL CARDbSetTxPower(PVOID pDeviceHandler, ULONG ulTxPower);
 BYTE CARDbyGetPktType(PVOID pDeviceHandler);
-VOID CARDvSafeResetTx(PVOID pDeviceHandler);
-VOID CARDvSafeResetRx(PVOID pDeviceHandler);
+void CARDvSafeResetTx(PVOID pDeviceHandler);
+void CARDvSafeResetRx(PVOID pDeviceHandler);
 
 //xxx
 BOOL CARDbRadioPowerOff(PVOID pDeviceHandler);
@@ -145,7 +145,7 @@ CARDpGetCurrentAddress (
     );
 
 
-VOID CARDvInitChannelTable(PVOID pDeviceHandler);
+void CARDvInitChannelTable(PVOID pDeviceHandler);
 BYTE CARDbyGetChannelMapping(PVOID pDeviceHandler, BYTE byChannelNumber, CARD_PHY_TYPE ePhyType);
 
 BOOL
@@ -178,21 +178,21 @@ CARDbStartQuiet (
     IN PVOID            pDeviceHandler
     );
 
-VOID
+void
 CARDvSetCountryInfo (
     IN PVOID            pDeviceHandler,
     IN CARD_PHY_TYPE    ePHYType,
     IN PVOID            pIE
     );
 
-VOID
+void
 CARDvSetPowerConstraint (
     IN PVOID            pDeviceHandler,
     IN BYTE             byChannel,
     IN I8               byPower
     );
 
-VOID
+void
 CARDvGetPowerCapability (
     IN PVOID            pDeviceHandler,
     OUT PBYTE           pbyMinPower,
@@ -216,7 +216,7 @@ CARDbChannelGetList (
     OUT PBYTE      pbyChannelTable
     );
 
-VOID
+void
 CARDvSetCountryIE(
     IN PVOID        pDeviceHandler,
     IN PVOID        pIE
@@ -230,14 +230,14 @@ CARDbGetChannelMapInfo(
     OUT PBYTE       pbyMap
     );
 
-VOID
+void
 CARDvSetChannelMapInfo(
     IN PVOID        pDeviceHandler,
     IN UINT         uChannelIndex,
     IN BYTE         byMap
     );
 
-VOID
+void
 CARDvClearChannelMapInfo(
     IN PVOID        pDeviceHandler
     );
diff --git a/drivers/staging/vt6655/datarate.c b/drivers/staging/vt6655/datarate.c
index 10da57f2844..eb7653cdb57 100644
--- a/drivers/staging/vt6655/datarate.c
+++ b/drivers/staging/vt6655/datarate.c
@@ -64,13 +64,13 @@ const BYTE acbyIERate[MAX_RATE] =
 
 /*---------------------  Static Functions  --------------------------*/
 
-VOID s_vResetCounter (
+void s_vResetCounter (
     IN PKnownNodeDB psNodeDBTable
     );
 
 
 
-VOID
+void
 s_vResetCounter (
     IN PKnownNodeDB psNodeDBTable
     )
@@ -194,7 +194,7 @@ wGetRateIdx(
  * Return Value: none
  *
 -*/
-VOID
+void
 RATEvParseMaxRate (
     IN PVOID pDeviceHandler,
     IN PWLAN_IE_SUPP_RATES pItemRates,
@@ -307,7 +307,7 @@ UINT  uRateLen;
 #define AUTORATE_TXCNT_THRESHOLD        20
 #define AUTORATE_INC_THRESHOLD          30
 
-VOID
+void
 RATEvTxRateFallBack (
     IN PVOID pDeviceHandler,
     IN PKnownNodeDB psNodeDBTable
diff --git a/drivers/staging/vt6655/datarate.h b/drivers/staging/vt6655/datarate.h
index 5096f3df499..1135fe3e6f8 100644
--- a/drivers/staging/vt6655/datarate.h
+++ b/drivers/staging/vt6655/datarate.h
@@ -54,7 +54,7 @@
 
 
 
-VOID
+void
 RATEvParseMaxRate(
     IN PVOID pDeviceHandler,
     IN PWLAN_IE_SUPP_RATES pItemRates,
@@ -67,7 +67,7 @@ RATEvParseMaxRate(
     OUT PBYTE pbyTopOFDMRate
     );
 
-VOID
+void
 RATEvTxRateFallBack(
     IN PVOID pDeviceHandler,
     IN PKnownNodeDB psNodeDBTable
diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h
index 7a9f40695f2..0ea24f25cdf 100644
--- a/drivers/staging/vt6655/device.h
+++ b/drivers/staging/vt6655/device.h
@@ -828,7 +828,7 @@ typedef struct __device_info {
 //PLICE_DEBUG->
 
 
- inline  static	VOID   EnQueue (PSDevice pDevice,PSRxMgmtPacket  pRxMgmtPacket)
+ inline  static	void   EnQueue (PSDevice pDevice,PSRxMgmtPacket  pRxMgmtPacket)
 {
 	//printk("Enter EnQueue:tail is %d\n",pDevice->rxManeQueue.tail);
 	if ((pDevice->rxManeQueue.tail+1) % NUM == pDevice->rxManeQueue.head)
@@ -869,7 +869,7 @@ typedef struct __device_info {
 	}
 }
 
-VOID	InitRxManagementQueue(PSDevice   pDevice);
+void	InitRxManagementQueue(PSDevice   pDevice);
 
 
 
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index f1d70e133d1..90ebad15c3d 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -478,7 +478,7 @@ pDevice->bUpdateBBVGA = TRUE;
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" pDevice->bDiversityRegCtlON= %d\n",(INT)pDevice->bDiversityRegCtlON);
 }
 
-static VOID s_vCompleteCurrentMeasure (IN PSDevice pDevice, IN BYTE byResult)
+static void s_vCompleteCurrentMeasure (IN PSDevice pDevice, IN BYTE byResult)
 {
     UINT    ii;
     DWORD   dwDuration = 0;
@@ -847,7 +847,7 @@ else  CARDbRadioPowerOn(pDevice);
 
 
 
-static VOID device_init_diversity_timer(PSDevice pDevice) {
+static void device_init_diversity_timer(PSDevice pDevice) {
 
     init_timer(&pDevice->TimerSQ3Tmax1);
     pDevice->TimerSQ3Tmax1.data = (ULONG)pDevice;
@@ -1830,7 +1830,7 @@ static void device_free_tx_buf(PSDevice pDevice, PSTxDesc pDesc) {
 
 
 //PLICE_DEBUG ->
-VOID	InitRxManagementQueue(PSDevice  pDevice)
+void	InitRxManagementQueue(PSDevice  pDevice)
 {
 	pDevice->rxManeQueue.packet_num = 0;
 	pDevice->rxManeQueue.head = pDevice->rxManeQueue.tail = 0;
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index 67f238c01b4..58dced747fa 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -80,7 +80,7 @@ static BYTE s_byGetRateIdx(IN BYTE byRate);
 
 
 static
-VOID
+void
 s_vGetDASA(
     IN  PBYTE pbyRxBufferAddr,
     OUT PUINT pcbHeaderSize,
@@ -88,7 +88,7 @@ s_vGetDASA(
     );
 
 static
-VOID
+void
 s_vProcessRxMACHeader (
     IN  PSDevice pDevice,
     IN  PBYTE pbyRxBufferAddr,
@@ -163,7 +163,7 @@ static BOOL s_bHostWepRxEncryption(
  *
 -*/
 static
-VOID
+void
 s_vProcessRxMACHeader (
     IN  PSDevice pDevice,
     IN  PBYTE pbyRxBufferAddr,
@@ -262,7 +262,7 @@ static BYTE s_byGetRateIdx (IN BYTE byRate)
 
 
 static
-VOID
+void
 s_vGetDASA (
     IN  PBYTE pbyRxBufferAddr,
     OUT PUINT pcbHeaderSize,
@@ -314,7 +314,7 @@ s_vGetDASA (
 
 //PLICE_DEBUG ->
 
-VOID	MngWorkItem(PVOID Context)
+void	MngWorkItem(PVOID Context)
 {
 	PSRxMgmtPacket			pRxMgmtPacket;
 	PSDevice	pDevice =  (PSDevice) Context;
diff --git a/drivers/staging/vt6655/dpc.h b/drivers/staging/vt6655/dpc.h
index 51508b9087e..0860ea52969 100644
--- a/drivers/staging/vt6655/dpc.h
+++ b/drivers/staging/vt6655/dpc.h
@@ -47,7 +47,7 @@ device_receive_frame (
     IN  PSRxDesc pCurrRD
     );
 
-VOID	MngWorkItem(PVOID Context);
+void	MngWorkItem(PVOID Context);
 
 #endif // __RXTX_H__
 
diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c
index 37928e84401..86439bb629f 100644
--- a/drivers/staging/vt6655/ioctl.c
+++ b/drivers/staging/vt6655/ioctl.c
@@ -714,7 +714,7 @@ if(wpa_Result.authenticated==TRUE) {
 }
 
 /*
-VOID
+void
 vConfigWEPKey (
     IN PSDevice pDevice,
     IN DWORD    dwKeyIndex,
diff --git a/drivers/staging/vt6655/ioctl.h b/drivers/staging/vt6655/ioctl.h
index 07d228399c3..dc278aeb7ea 100644
--- a/drivers/staging/vt6655/ioctl.h
+++ b/drivers/staging/vt6655/ioctl.h
@@ -43,7 +43,7 @@
 int private_ioctl(PSDevice pDevice, struct ifreq *rq);
 
 /*
-VOID vConfigWEPKey (
+void vConfigWEPKey (
     IN PSDevice pDevice,
     IN DWORD    dwKeyIndex,
     IN PBYTE    pbyKey,
diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c
index a4d2184d826..efff7db8aaf 100644
--- a/drivers/staging/vt6655/key.c
+++ b/drivers/staging/vt6655/key.c
@@ -58,7 +58,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
 /*---------------------  Static Variables  --------------------------*/
 
 /*---------------------  Static Functions  --------------------------*/
-static VOID
+static void
 s_vCheckKeyTableValid (PSKeyManagement pTable, DWORD_PTR dwIoBase)
 {
     int i;
@@ -96,7 +96,7 @@ s_vCheckKeyTableValid (PSKeyManagement pTable, DWORD_PTR dwIoBase)
  * Return Value: none
  *
  */
-VOID KeyvInitTable (PSKeyManagement pTable, DWORD_PTR dwIoBase)
+void KeyvInitTable (PSKeyManagement pTable, DWORD_PTR dwIoBase)
 {
     int i;
     int jj;
@@ -470,7 +470,7 @@ BOOL KeybRemoveAllKey (
  * Return Value: TRUE if success otherwise FALSE
  *
  */
-VOID KeyvRemoveWEPKey (
+void KeyvRemoveWEPKey (
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
     DWORD_PTR       dwIoBase
@@ -492,7 +492,7 @@ VOID KeyvRemoveWEPKey (
     return;
 }
 
-VOID KeyvRemoveAllWEPKey (
+void KeyvRemoveAllWEPKey (
     PSKeyManagement pTable,
     DWORD_PTR       dwIoBase
     )
diff --git a/drivers/staging/vt6655/key.h b/drivers/staging/vt6655/key.h
index ba797c7b3c1..766ff049553 100644
--- a/drivers/staging/vt6655/key.h
+++ b/drivers/staging/vt6655/key.h
@@ -101,7 +101,7 @@ typedef struct tagSKeyManagement
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID KeyvInitTable(PSKeyManagement pTable, DWORD_PTR dwIoBase);
+void KeyvInitTable(PSKeyManagement pTable, DWORD_PTR dwIoBase);
 
 BOOL KeybGetKey(
     IN  PSKeyManagement pTable,
@@ -158,13 +158,13 @@ BOOL KeybRemoveAllKey(
     DWORD_PTR       dwIoBase
     );
 
-VOID KeyvRemoveWEPKey(
+void KeyvRemoveWEPKey(
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
     DWORD_PTR       dwIoBase
     );
 
-VOID KeyvRemoveAllWEPKey(
+void KeyvRemoveAllWEPKey(
     PSKeyManagement pTable,
     DWORD_PTR       dwIoBase
     );
diff --git a/drivers/staging/vt6655/mac.c b/drivers/staging/vt6655/mac.c
index cdd7cd5e409..f1ef7da75c2 100644
--- a/drivers/staging/vt6655/mac.c
+++ b/drivers/staging/vt6655/mac.c
@@ -103,7 +103,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
  * Return Value: none
  *
  */
-VOID MACvReadAllRegs (DWORD_PTR dwIoBase, PBYTE pbyMacRegs)
+void MACvReadAllRegs (DWORD_PTR dwIoBase, PBYTE pbyMacRegs)
 {
     int ii;
 
@@ -234,7 +234,7 @@ BYTE MACbyReadMultiAddr (DWORD_PTR dwIoBase, UINT uByteIdx)
  * Return Value: none
  *
  */
-VOID MACvWriteMultiAddr (DWORD_PTR dwIoBase, UINT uByteIdx, BYTE byData)
+void MACvWriteMultiAddr (DWORD_PTR dwIoBase, UINT uByteIdx, BYTE byData)
 {
     MACvSelectPage1(dwIoBase);
     VNSvOutPortB(dwIoBase + MAC_REG_MAR0 + uByteIdx, byData);
@@ -676,7 +676,7 @@ void MACvSaveContext (DWORD_PTR dwIoBase, PBYTE pbyCxtBuf)
  * Return Value: none
  *
  */
-VOID MACvRestoreContext (DWORD_PTR dwIoBase, PBYTE pbyCxtBuf)
+void MACvRestoreContext (DWORD_PTR dwIoBase, PBYTE pbyCxtBuf)
 {
     int         ii;
 
@@ -1244,7 +1244,7 @@ void MACvSetCurrTXDescAddr (int iTxType, DWORD_PTR dwIoBase, DWORD dwCurrDescAdd
  * Return Value: none
  *
  */
-VOID MACvTimer0MicroSDelay (DWORD_PTR dwIoBase, UINT uDelay)
+void MACvTimer0MicroSDelay (DWORD_PTR dwIoBase, UINT uDelay)
 {
 BYTE byValue;
 UINT uu,ii;
diff --git a/drivers/staging/vt6655/mac.h b/drivers/staging/vt6655/mac.h
index 3ba87fb64d3..5eb7f57f718 100644
--- a/drivers/staging/vt6655/mac.h
+++ b/drivers/staging/vt6655/mac.h
@@ -1075,7 +1075,7 @@
 /*---------------------  Export Functions  --------------------------*/
 
 extern WORD TxRate_iwconfig;//2008-5-8 <add> by chester
-VOID MACvReadAllRegs(DWORD_PTR dwIoBase, PBYTE pbyMacRegs);
+void MACvReadAllRegs(DWORD_PTR dwIoBase, PBYTE pbyMacRegs);
 
 BOOL MACbIsRegBitsOn(DWORD_PTR dwIoBase, BYTE byRegOfs, BYTE byTestBits);
 BOOL MACbIsRegBitsOff(DWORD_PTR dwIoBase, BYTE byRegOfs, BYTE byTestBits);
@@ -1083,32 +1083,32 @@ BOOL MACbIsRegBitsOff(DWORD_PTR dwIoBase, BYTE byRegOfs, BYTE byTestBits);
 BOOL MACbIsIntDisable(DWORD_PTR dwIoBase);
 
 BYTE MACbyReadMultiAddr(DWORD_PTR dwIoBase, UINT uByteIdx);
-VOID MACvWriteMultiAddr(DWORD_PTR dwIoBase, UINT uByteIdx, BYTE byData);
-VOID MACvSetMultiAddrByHash(DWORD_PTR dwIoBase, BYTE byHashIdx);
-VOID MACvResetMultiAddrByHash(DWORD_PTR dwIoBase, BYTE byHashIdx);
+void MACvWriteMultiAddr(DWORD_PTR dwIoBase, UINT uByteIdx, BYTE byData);
+void MACvSetMultiAddrByHash(DWORD_PTR dwIoBase, BYTE byHashIdx);
+void MACvResetMultiAddrByHash(DWORD_PTR dwIoBase, BYTE byHashIdx);
 
-VOID MACvSetRxThreshold(DWORD_PTR dwIoBase, BYTE byThreshold);
-VOID MACvGetRxThreshold(DWORD_PTR dwIoBase, PBYTE pbyThreshold);
+void MACvSetRxThreshold(DWORD_PTR dwIoBase, BYTE byThreshold);
+void MACvGetRxThreshold(DWORD_PTR dwIoBase, PBYTE pbyThreshold);
 
-VOID MACvSetTxThreshold(DWORD_PTR dwIoBase, BYTE byThreshold);
-VOID MACvGetTxThreshold(DWORD_PTR dwIoBase, PBYTE pbyThreshold);
+void MACvSetTxThreshold(DWORD_PTR dwIoBase, BYTE byThreshold);
+void MACvGetTxThreshold(DWORD_PTR dwIoBase, PBYTE pbyThreshold);
 
-VOID MACvSetDmaLength(DWORD_PTR dwIoBase, BYTE byDmaLength);
-VOID MACvGetDmaLength(DWORD_PTR dwIoBase, PBYTE pbyDmaLength);
+void MACvSetDmaLength(DWORD_PTR dwIoBase, BYTE byDmaLength);
+void MACvGetDmaLength(DWORD_PTR dwIoBase, PBYTE pbyDmaLength);
 
-VOID MACvSetShortRetryLimit(DWORD_PTR dwIoBase, BYTE byRetryLimit);
-VOID MACvGetShortRetryLimit(DWORD_PTR dwIoBase, PBYTE pbyRetryLimit);
+void MACvSetShortRetryLimit(DWORD_PTR dwIoBase, BYTE byRetryLimit);
+void MACvGetShortRetryLimit(DWORD_PTR dwIoBase, PBYTE pbyRetryLimit);
 
-VOID MACvSetLongRetryLimit(DWORD_PTR dwIoBase, BYTE byRetryLimit);
-VOID MACvGetLongRetryLimit(DWORD_PTR dwIoBase, PBYTE pbyRetryLimit);
+void MACvSetLongRetryLimit(DWORD_PTR dwIoBase, BYTE byRetryLimit);
+void MACvGetLongRetryLimit(DWORD_PTR dwIoBase, PBYTE pbyRetryLimit);
 
-VOID MACvSetLoopbackMode(DWORD_PTR dwIoBase, BYTE byLoopbackMode);
+void MACvSetLoopbackMode(DWORD_PTR dwIoBase, BYTE byLoopbackMode);
 BOOL MACbIsInLoopbackMode(DWORD_PTR dwIoBase);
 
-VOID MACvSetPacketFilter(DWORD_PTR dwIoBase, WORD wFilterType);
+void MACvSetPacketFilter(DWORD_PTR dwIoBase, WORD wFilterType);
 
-VOID MACvSaveContext(DWORD_PTR dwIoBase, PBYTE pbyCxtBuf);
-VOID MACvRestoreContext(DWORD_PTR dwIoBase, PBYTE pbyCxtBuf);
+void MACvSaveContext(DWORD_PTR dwIoBase, PBYTE pbyCxtBuf);
+void MACvRestoreContext(DWORD_PTR dwIoBase, PBYTE pbyCxtBuf);
 BOOL MACbCompareContext(DWORD_PTR dwIoBase, PBYTE pbyCxtBuf);
 
 BOOL MACbSoftwareReset(DWORD_PTR dwIoBase);
@@ -1117,14 +1117,14 @@ BOOL MACbSafeRxOff(DWORD_PTR dwIoBase);
 BOOL MACbSafeTxOff(DWORD_PTR dwIoBase);
 BOOL MACbSafeStop(DWORD_PTR dwIoBase);
 BOOL MACbShutdown(DWORD_PTR dwIoBase);
-VOID MACvInitialize(DWORD_PTR dwIoBase);
-VOID MACvSetCurrRx0DescAddr(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
-VOID MACvSetCurrRx1DescAddr(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
-VOID MACvSetCurrTXDescAddr(int iTxType, DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
-VOID MACvSetCurrTx0DescAddrEx(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
-VOID MACvSetCurrAC0DescAddrEx(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
-VOID MACvSetCurrSyncDescAddrEx(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
-VOID MACvSetCurrATIMDescAddrEx(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
+void MACvInitialize(DWORD_PTR dwIoBase);
+void MACvSetCurrRx0DescAddr(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
+void MACvSetCurrRx1DescAddr(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
+void MACvSetCurrTXDescAddr(int iTxType, DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
+void MACvSetCurrTx0DescAddrEx(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
+void MACvSetCurrAC0DescAddrEx(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
+void MACvSetCurrSyncDescAddrEx(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
+void MACvSetCurrATIMDescAddrEx(DWORD_PTR dwIoBase, DWORD dwCurrDescAddr);
 void MACvTimer0MicroSDelay(DWORD_PTR dwIoBase, UINT uDelay);
 void MACvOneShotTimer0MicroSec(DWORD_PTR dwIoBase, UINT uDelayTime);
 void MACvOneShotTimer1MicroSec(DWORD_PTR dwIoBase, UINT uDelayTime);
diff --git a/drivers/staging/vt6655/michael.c b/drivers/staging/vt6655/michael.c
index c930e0cdb85..0bf57efdede 100644
--- a/drivers/staging/vt6655/michael.c
+++ b/drivers/staging/vt6655/michael.c
@@ -49,12 +49,12 @@
 /*---------------------  Static Functions  --------------------------*/
 /*
 static DWORD s_dwGetUINT32(BYTE * p);         // Get DWORD from 4 bytes LSByte first
-static VOID s_vPutUINT32(BYTE* p, DWORD val); // Put DWORD into 4 bytes LSByte first
+static void s_vPutUINT32(BYTE* p, DWORD val); // Put DWORD into 4 bytes LSByte first
 */
-static VOID s_vClear(void);                       // Clear the internal message,
+static void s_vClear(void);                       // Clear the internal message,
                                               // resets the object to the state just after construction.
-static VOID s_vSetKey(DWORD dwK0, DWORD dwK1);
-static VOID s_vAppendByte(BYTE b);            // Add a single byte to the internal message
+static void s_vSetKey(DWORD dwK0, DWORD dwK1);
+static void s_vAppendByte(BYTE b);            // Add a single byte to the internal message
 
 /*---------------------  Export Variables  --------------------------*/
 static DWORD  L, R;           // Current state
@@ -78,7 +78,7 @@ static DWORD s_dwGetUINT32 (BYTE * p)
     return res;
 }
 
-static VOID s_vPutUINT32 (BYTE* p, DWORD val)
+static void s_vPutUINT32 (BYTE* p, DWORD val)
 // Convert from DWORD to BYTE[] in a portable way
 {
     UINT i;
@@ -90,7 +90,7 @@ static VOID s_vPutUINT32 (BYTE* p, DWORD val)
 }
 */
 
-static VOID s_vClear (void)
+static void s_vClear (void)
 {
     // Reset the state to the empty message.
     L = K0;
@@ -99,7 +99,7 @@ static VOID s_vClear (void)
     M = 0;
 }
 
-static VOID s_vSetKey (DWORD dwK0, DWORD dwK1)
+static void s_vSetKey (DWORD dwK0, DWORD dwK1)
 {
     // Set the key
     K0 = dwK0;
@@ -108,7 +108,7 @@ static VOID s_vSetKey (DWORD dwK0, DWORD dwK1)
     s_vClear();
 }
 
-static VOID s_vAppendByte (BYTE b)
+static void s_vAppendByte (BYTE b)
 {
     // Append the byte to our word-sized buffer
     M |= b << (8*nBytesInM);
@@ -131,14 +131,14 @@ static VOID s_vAppendByte (BYTE b)
     }
 }
 
-VOID MIC_vInit (DWORD dwK0, DWORD dwK1)
+void MIC_vInit (DWORD dwK0, DWORD dwK1)
 {
     // Set the key
     s_vSetKey(dwK0, dwK1);
 }
 
 
-VOID MIC_vUnInit (void)
+void MIC_vUnInit (void)
 {
     // Wipe the key material
     K0 = 0;
@@ -149,7 +149,7 @@ VOID MIC_vUnInit (void)
     s_vClear();
 }
 
-VOID MIC_vAppend (PBYTE src, UINT nBytes)
+void MIC_vAppend (PBYTE src, UINT nBytes)
 {
     // This is simple
     while (nBytes > 0)
@@ -159,7 +159,7 @@ VOID MIC_vAppend (PBYTE src, UINT nBytes)
     }
 }
 
-VOID MIC_vGetMIC (PDWORD pdwL, PDWORD pdwR)
+void MIC_vGetMIC (PDWORD pdwL, PDWORD pdwR)
 {
     // Append the minimum padding
     s_vAppendByte(0x5a);
diff --git a/drivers/staging/vt6655/michael.h b/drivers/staging/vt6655/michael.h
index 3f79b52832d..97de77b4da2 100644
--- a/drivers/staging/vt6655/michael.h
+++ b/drivers/staging/vt6655/michael.h
@@ -35,16 +35,16 @@
 
 /*---------------------  Export Types  ------------------------------*/
 
-VOID MIC_vInit(DWORD dwK0, DWORD dwK1);
+void MIC_vInit(DWORD dwK0, DWORD dwK1);
 
-VOID MIC_vUnInit(void);
+void MIC_vUnInit(void);
 
 // Append bytes to the message to be MICed
-VOID MIC_vAppend(PBYTE src, UINT nBytes);
+void MIC_vAppend(PBYTE src, UINT nBytes);
 
 // Get the MIC result. Destination should accept 8 bytes of result.
 // This also resets the message to empty.
-VOID MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR);
+void MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR);
 
 /*---------------------  Export Macros ------------------------------*/
 
diff --git a/drivers/staging/vt6655/power.c b/drivers/staging/vt6655/power.c
index 84eda045538..a28d03762e4 100644
--- a/drivers/staging/vt6655/power.c
+++ b/drivers/staging/vt6655/power.c
@@ -74,7 +74,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
 -*/
 
 
-VOID
+void
 PSvEnablePowerSaving(
     IN HANDLE hDeviceContext,
     IN WORD wListenInterval
@@ -144,7 +144,7 @@ PSvEnablePowerSaving(
  *
 -*/
 
-VOID
+void
 PSvDisablePowerSaving(
     IN HANDLE hDeviceContext
     )
@@ -250,7 +250,7 @@ PSbConsiderPowerDown(
 
 
 
-VOID
+void
 PSvSendPSPOLL(
     IN HANDLE hDeviceContext
     )
diff --git a/drivers/staging/vt6655/power.h b/drivers/staging/vt6655/power.h
index 30634fabfe9..bac8b200d54 100644
--- a/drivers/staging/vt6655/power.h
+++ b/drivers/staging/vt6655/power.h
@@ -55,18 +55,18 @@ PSbConsiderPowerDown(
     IN BOOL bCheckCountToWakeUp
     );
 
-VOID
+void
 PSvDisablePowerSaving(
     IN HANDLE hDeviceContext
     );
 
-VOID
+void
 PSvEnablePowerSaving(
     IN HANDLE hDeviceContext,
     IN WORD wListenInterval
     );
 
-VOID
+void
 PSvSendPSPOLL(
     IN HANDLE hDeviceContext
     );
diff --git a/drivers/staging/vt6655/rc4.c b/drivers/staging/vt6655/rc4.c
index e6c61312fd2..4a53f159cb3 100644
--- a/drivers/staging/vt6655/rc4.c
+++ b/drivers/staging/vt6655/rc4.c
@@ -32,7 +32,7 @@
 
 #include "rc4.h"
 
-VOID rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len)
+void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len)
 {
     UINT  ust1, ust2;
     UINT  keyindex;
@@ -78,7 +78,7 @@ UINT rc4_byte(PRC4Ext pRC4)
     return pbyst[(ustx + usty) & 0xff];
 }
 
-VOID rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest,
+void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest,
                      PBYTE pbySrc, UINT cbData_len)
 {
     UINT ii;
diff --git a/drivers/staging/vt6655/rc4.h b/drivers/staging/vt6655/rc4.h
index bf607c9d446..e65cae69efa 100644
--- a/drivers/staging/vt6655/rc4.h
+++ b/drivers/staging/vt6655/rc4.h
@@ -40,7 +40,7 @@ typedef struct {
     BYTE abystate[256];
 } RC4Ext, *PRC4Ext;
 
-VOID rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len);
+void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len);
 UINT rc4_byte(PRC4Ext pRC4);
 void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest, PBYTE pbySrc, UINT cbData_len);
 
diff --git a/drivers/staging/vt6655/rf.c b/drivers/staging/vt6655/rf.c
index 01ab73f1cc3..29eb758c9e7 100644
--- a/drivers/staging/vt6655/rf.c
+++ b/drivers/staging/vt6655/rf.c
@@ -1201,7 +1201,7 @@ DWORD   dwMax7230Pwr = 0;
  * Return Value: none
  *
 -*/
-VOID
+void
 RFvRSSITodBm (
     IN  PSDevice pDevice,
     IN  BYTE     byCurrRSSI,
diff --git a/drivers/staging/vt6655/rf.h b/drivers/staging/vt6655/rf.h
index f316bcced8e..e6e6ca58633 100644
--- a/drivers/staging/vt6655/rf.h
+++ b/drivers/staging/vt6655/rf.h
@@ -89,7 +89,7 @@ BOOL RFbRawSetPower(
     IN  UINT      uRATE
     );
 
-VOID
+void
 RFvRSSITodBm(
     IN  PSDevice pDevice,
     IN  BYTE     byCurrRSSI,
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index ed3070edcac..effefdb77b6 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -115,7 +115,7 @@ const WORD wFB_Opt1[2][5] = {
 
 
 static
-VOID
+void
 s_vFillTxKey(
     IN  PSDevice   pDevice,
     IN  PBYTE      pbyBuf,
@@ -129,7 +129,7 @@ s_vFillTxKey(
 
 
 static
-VOID
+void
 s_vFillRTSHead(
     IN PSDevice         pDevice,
     IN BYTE             byPktType,
@@ -143,7 +143,7 @@ s_vFillRTSHead(
     );
 
 static
-VOID
+void
 s_vGenerateTxParameter(
     IN PSDevice         pDevice,
     IN  BYTE            byPktType,
@@ -210,7 +210,7 @@ s_uFillDataHead (
 
 
 static
-VOID
+void
 s_vFillTxKey (
     IN  PSDevice   pDevice,
     IN  PBYTE      pbyBuf,
@@ -328,7 +328,7 @@ s_vFillTxKey (
 
 
 static
-VOID
+void
 s_vSWencryption (
     IN  PSDevice            pDevice,
     IN  PSKeyItem           pTransmitKey,
@@ -851,7 +851,7 @@ s_uFillDataHead (
 
 
 static
-VOID
+void
 s_vFillRTSHead (
     IN PSDevice         pDevice,
     IN BYTE             byPktType,
@@ -1045,7 +1045,7 @@ s_vFillRTSHead (
 }
 
 static
-VOID
+void
 s_vFillCTSHead (
     IN PSDevice pDevice,
     IN UINT     uDMAIdx,
@@ -1150,7 +1150,7 @@ s_vFillCTSHead (
 -*/
 // UINT            cbFrameSize,//Hdr+Payload+FCS
 static
-VOID
+void
 s_vGenerateTxParameter (
     IN PSDevice         pDevice,
     IN BYTE             byPktType,
@@ -1268,7 +1268,7 @@ s_vGenerateTxParameter (
     UINT  cbFragmentSize,//Hdr+payoad+FCS
 */
 static
-VOID
+void
 s_vFillFragParameter(
     IN PSDevice pDevice,
     IN PBYTE    pbyBuffer,
@@ -2093,7 +2093,7 @@ s_cbFillTxBufHead (
 }
 
 
-VOID
+void
 vGenerateFIFOHeader (
     IN  PSDevice         pDevice,
     IN  BYTE             byPktType,
@@ -2264,7 +2264,7 @@ vGenerateFIFOHeader (
  *
 -*/
 
-VOID
+void
 vGenerateMACHeader (
     IN PSDevice         pDevice,
     IN PBYTE            pbyBufferAddr,
@@ -2825,7 +2825,7 @@ cbGetFragCount (
 }
 
 
-VOID
+void
 vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb, PBYTE pbMPDU, UINT cbMPDULen) {
 
     PSTxDesc        pFrstTD;
diff --git a/drivers/staging/vt6655/rxtx.h b/drivers/staging/vt6655/rxtx.h
index 5da815efe70..4c2df48be37 100644
--- a/drivers/staging/vt6655/rxtx.h
+++ b/drivers/staging/vt6655/rxtx.h
@@ -40,7 +40,7 @@
 /*---------------------  Export Functions  --------------------------*/
 
 /*
-VOID vGenerateMACHeader(
+void vGenerateMACHeader(
     IN PSDevice pDevice,
     IN DWORD dwTxBufferAddr,
     IN PBYTE pbySkbData,
@@ -50,7 +50,7 @@ VOID vGenerateMACHeader(
     OUT PUINT pcbAppendPayload
      );
 
-VOID vProcessRxMACHeader (
+void vProcessRxMACHeader (
     IN  PSDevice pDevice,
     IN  DWORD dwRxBufferAddr,
     IN  UINT cbPacketSize,
@@ -60,7 +60,7 @@ VOID vProcessRxMACHeader (
 */
 
 
-VOID
+void
 vGenerateMACHeader (
     IN PSDevice         pDevice,
     IN PBYTE            pbyBufferAddr,
@@ -82,7 +82,7 @@ cbGetFragCount(
     );
 
 
-VOID
+void
 vGenerateFIFOHeader (
     IN  PSDevice         pDevice,
     IN  BYTE             byPktTyp,
@@ -100,7 +100,7 @@ vGenerateFIFOHeader (
     );
 
 
-VOID vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb, PBYTE pbMPDU, UINT cbMPDULen);
+void vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb, PBYTE pbMPDU, UINT cbMPDULen);
 CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket);
 CMD_STATUS csBeacon_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket);
 
diff --git a/drivers/staging/vt6655/srom.h b/drivers/staging/vt6655/srom.h
index ba123ee61d2..dbb3f5efe97 100644
--- a/drivers/staging/vt6655/srom.h
+++ b/drivers/staging/vt6655/srom.h
@@ -150,7 +150,7 @@ void SROMvWriteAllContents(DWORD_PTR dwIoBase, PBYTE pbyEepromRegs);
 void SROMvReadEtherAddress(DWORD_PTR dwIoBase, PBYTE pbyEtherAddress);
 void SROMvWriteEtherAddress(DWORD_PTR dwIoBase, PBYTE pbyEtherAddress);
 
-VOID SROMvReadSubSysVenId(DWORD_PTR dwIoBase, PDWORD pdwSubSysVenId);
+void SROMvReadSubSysVenId(DWORD_PTR dwIoBase, PDWORD pdwSubSysVenId);
 
 BOOL SROMbAutoLoad (DWORD_PTR dwIoBase);
 
diff --git a/drivers/staging/vt6655/tkip.c b/drivers/staging/vt6655/tkip.c
index 8ca154080e9..f83af5913aa 100644
--- a/drivers/staging/vt6655/tkip.c
+++ b/drivers/staging/vt6655/tkip.c
@@ -183,7 +183,7 @@ unsigned int rotr1(unsigned int a)
  * Return Value: none
  *
  */
-VOID TKIPvMixKey(
+void TKIPvMixKey(
     PBYTE   pbyTKey,
     PBYTE   pbyTA,
     WORD    wTSC15_0,
diff --git a/drivers/staging/vt6655/tkip.h b/drivers/staging/vt6655/tkip.h
index 847ecdf97ee..3dfa7f5ee7e 100644
--- a/drivers/staging/vt6655/tkip.h
+++ b/drivers/staging/vt6655/tkip.h
@@ -46,7 +46,7 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID TKIPvMixKey(
+void TKIPvMixKey(
     PBYTE   pbyTKey,
     PBYTE   pbyTA,
     WORD    wTSC15_0,
diff --git a/drivers/staging/vt6655/ttype.h b/drivers/staging/vt6655/ttype.h
index dc061c6402e..24d0eca9420 100644
--- a/drivers/staging/vt6655/ttype.h
+++ b/drivers/staging/vt6655/ttype.h
@@ -33,10 +33,6 @@
 
 /******* Common definitions and typedefs ***********************************/
 
-#ifndef VOID
-#define VOID            void
-#endif
-
 #ifndef IN
 #define IN
 #endif
diff --git a/drivers/staging/vt6655/vntwifi.c b/drivers/staging/vt6655/vntwifi.c
index fbe27a834ce..cbfa8e80dd6 100644
--- a/drivers/staging/vt6655/vntwifi.c
+++ b/drivers/staging/vt6655/vntwifi.c
@@ -69,7 +69,7 @@
  * Return Value: none
  *
 -*/
-VOID
+void
 VNTWIFIvSetOPMode (
     IN PVOID pMgmtHandle,
     IN WMAC_CONFIG_MODE eOPMode
@@ -98,7 +98,7 @@ VNTWIFIvSetOPMode (
  * Return Value: none
  *
 -*/
-VOID
+void
 VNTWIFIvSetIBSSParameter (
     IN PVOID pMgmtHandle,
     IN WORD  wBeaconPeriod,
@@ -306,7 +306,7 @@ VNTWIFIbyGetACKTxRate (
  * Return Value: none
  *
 -*/
-VOID
+void
 VNTWIFIvSetAuthenticationMode (
     IN PVOID pMgmtHandle,
     IN WMAC_AUTHENTICATION_MODE eAuthMode
@@ -338,7 +338,7 @@ VNTWIFIvSetAuthenticationMode (
  * Return Value: none
  *
 -*/
-VOID
+void
 VNTWIFIvSetEncryptionMode (
     IN PVOID pMgmtHandle,
     IN WMAC_ENCRYPTION_MODE eEncryptionMode
@@ -379,7 +379,7 @@ VNTWIFIbConfigPhyMode (
 }
 
 
-VOID
+void
 VNTWIFIbGetConfigPhyMode (
     IN  PVOID pMgmtHandle,
     OUT PVOID pePhyType
@@ -424,7 +424,7 @@ VNTWIFIbGetConfigPhyMode (
  *
 -*/
 
-VOID
+void
 VNTWIFIvQueryBSSList (
     IN PVOID    pMgmtHandle,
     OUT PUINT   puBSSCount,
@@ -454,7 +454,7 @@ VNTWIFIvQueryBSSList (
 
 
 
-VOID
+void
 VNTWIFIvGetNextBSS (
     IN PVOID            pMgmtHandle,
     IN PVOID            pvCurrentBSS,
@@ -494,7 +494,7 @@ VNTWIFIvGetNextBSS (
  * Return Value: none
  *
 -*/
-VOID
+void
 VNTWIFIvUpdateNodeTxCounter(
     IN PVOID    pMgmtHandle,
     IN PBYTE    pbyDestAddress,
@@ -529,7 +529,7 @@ VNTWIFIvUpdateNodeTxCounter(
 }
 
 
-VOID
+void
 VNTWIFIvGetTxRate(
     IN PVOID    pMgmtHandle,
     IN PBYTE    pbyDestAddress,
@@ -702,7 +702,7 @@ VNTWIFIwGetMaxSupportRate(
 }
 
 
-VOID
+void
 VNTWIFIvSet11h (
     IN PVOID pMgmtObject,
     IN BOOL  b11hEnable
diff --git a/drivers/staging/vt6655/vntwifi.h b/drivers/staging/vt6655/vntwifi.h
index 2854dfcb19a..4c560a8a099 100644
--- a/drivers/staging/vt6655/vntwifi.h
+++ b/drivers/staging/vt6655/vntwifi.h
@@ -140,7 +140,7 @@ typedef enum tagWMAC_POWER_MODE {
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID
+void
 VNTWIFIvSetIBSSParameter (
     IN PVOID pMgmtHandle,
     IN WORD  wBeaconPeriod,
@@ -148,7 +148,7 @@ VNTWIFIvSetIBSSParameter (
     IN UINT  uChannel
     );
 
-VOID
+void
 VNTWIFIvSetOPMode (
     IN PVOID pMgmtHandle,
     IN WMAC_CONFIG_MODE eOPMode
@@ -182,13 +182,13 @@ VNTWIFIbyGetACKTxRate (
     IN PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     );
 
-VOID
+void
 VNTWIFIvSetAuthenticationMode (
     IN PVOID pMgmtHandle,
     IN WMAC_AUTHENTICATION_MODE eAuthMode
     );
 
-VOID
+void
 VNTWIFIvSetEncryptionMode (
     IN PVOID pMgmtHandle,
     IN WMAC_ENCRYPTION_MODE eEncryptionMode
@@ -201,13 +201,13 @@ VNTWIFIbConfigPhyMode(
     IN CARD_PHY_TYPE ePhyType
     );
 
-VOID
+void
 VNTWIFIbGetConfigPhyMode(
     IN  PVOID pMgmtHandle,
     OUT PVOID pePhyType
     );
 
-VOID
+void
 VNTWIFIvQueryBSSList(
     IN PVOID    pMgmtHandle,
     OUT PUINT   puBSSCount,
@@ -217,7 +217,7 @@ VNTWIFIvQueryBSSList(
 
 
 
-VOID
+void
 VNTWIFIvGetNextBSS (
     IN PVOID            pMgmtHandle,
     IN PVOID            pvCurrentBSS,
@@ -226,7 +226,7 @@ VNTWIFIvGetNextBSS (
 
 
 
-VOID
+void
 VNTWIFIvUpdateNodeTxCounter(
     IN PVOID    pMgmtHandle,
     IN PBYTE    pbyDestAddress,
@@ -236,7 +236,7 @@ VNTWIFIvUpdateNodeTxCounter(
     );
 
 
-VOID
+void
 VNTWIFIvGetTxRate(
     IN PVOID    pMgmtHandle,
     IN PBYTE    pbyDestAddress,
@@ -280,7 +280,7 @@ VNTWIFIwGetMaxSupportRate(
     );
 
 // for 802.11h
-VOID
+void
 VNTWIFIvSet11h (
     IN PVOID pMgmtObject,
     IN BOOL  b11hEnable
diff --git a/drivers/staging/vt6655/wcmd.c b/drivers/staging/vt6655/wcmd.c
index c9eabf9995d..ec1036e983d 100644
--- a/drivers/staging/vt6655/wcmd.c
+++ b/drivers/staging/vt6655/wcmd.c
@@ -66,7 +66,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
 /*---------------------  Static Functions  --------------------------*/
 
 static
-VOID
+void
 s_vProbeChannel(
     IN PSDevice pDevice
     );
@@ -202,7 +202,7 @@ vAdHocBeaconRestart(PSDevice pDevice)
 -*/
 
 static
-VOID
+void
 s_vProbeChannel(
     IN PSDevice pDevice
     )
@@ -317,7 +317,7 @@ s_MgrMakeProbeRequest(
 
 
 
-VOID
+void
 vCommandTimerWait(
     IN HANDLE    hDeviceContext,
     IN UINT MSecond
@@ -337,7 +337,7 @@ vCommandTimerWait(
 
 
 
-VOID
+void
 vCommandTimer (
     IN  HANDLE      hDeviceContext
     )
@@ -1081,7 +1081,7 @@ BOOL bClearBSSID_SCAN (
 }
 
 //mike add:reset command timer
-VOID
+void
 vResetCommandTimer(
     IN HANDLE      hDeviceContext
     )
@@ -1105,7 +1105,7 @@ vResetCommandTimer(
 
 
 #ifdef TxInSleep
-VOID
+void
 BSSvSecondTxData(
     IN  HANDLE      hDeviceContext
     )
diff --git a/drivers/staging/vt6655/wcmd.h b/drivers/staging/vt6655/wcmd.h
index af32e57e335..1e816696201 100644
--- a/drivers/staging/vt6655/wcmd.h
+++ b/drivers/staging/vt6655/wcmd.h
@@ -109,12 +109,12 @@ typedef enum tagCMD_STATE {
 
 
 /*---------------------  Export Functions  --------------------------*/
-VOID
+void
 vResetCommandTimer(
     IN HANDLE      hDeviceContext
     );
 
-VOID
+void
 vCommandTimer (
     IN  HANDLE hDeviceContext
     );
@@ -130,13 +130,13 @@ bScheduleCommand(
     IN PBYTE       pbyItem0
     );
 
-VOID
+void
 vCommandTimerWait(
     IN HANDLE      hDeviceContext,
     IN UINT MSecond
     );
 #ifdef TxInSleep
-VOID
+void
 BSSvSecondTxData(
     IN  HANDLE      hDeviceContext
     );
diff --git a/drivers/staging/vt6655/wmgr.c b/drivers/staging/vt6655/wmgr.c
index 659be05a33e..64930910fca 100644
--- a/drivers/staging/vt6655/wmgr.c
+++ b/drivers/staging/vt6655/wmgr.c
@@ -113,7 +113,7 @@ s_MgrMakeAssocRequest(
     );
 
 static
-VOID
+void
 s_vMgrRxAssocRequest(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -135,7 +135,7 @@ s_MgrMakeReAssocRequest(
     );
 
 static
-VOID
+void
 s_vMgrRxAssocResponse(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -144,7 +144,7 @@ s_vMgrRxAssocResponse(
     );
 
 static
-VOID
+void
 s_vMgrRxDisassociation(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -153,7 +153,7 @@ s_vMgrRxDisassociation(
 
 // Authentication/deauthen functions
 static
-VOID
+void
 s_vMgrRxAuthenSequence_1(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -161,7 +161,7 @@ s_vMgrRxAuthenSequence_1(
     );
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_2(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -169,7 +169,7 @@ s_vMgrRxAuthenSequence_2(
     );
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_3(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -177,7 +177,7 @@ s_vMgrRxAuthenSequence_3(
     );
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_4(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -185,7 +185,7 @@ s_vMgrRxAuthenSequence_4(
     );
 
 static
-VOID
+void
 s_vMgrRxAuthentication(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -193,7 +193,7 @@ s_vMgrRxAuthentication(
     );
 
 static
-VOID
+void
 s_vMgrRxDeauthentication(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -203,7 +203,7 @@ s_vMgrRxDeauthentication(
 // Scan functions
 // probe request/response functions
 static
-VOID
+void
 s_vMgrRxProbeRequest(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -211,7 +211,7 @@ s_vMgrRxProbeRequest(
     );
 
 static
-VOID
+void
 s_vMgrRxProbeResponse(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -220,7 +220,7 @@ s_vMgrRxProbeResponse(
 
 // beacon functions
 static
-VOID
+void
 s_vMgrRxBeacon(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -229,7 +229,7 @@ s_vMgrRxBeacon(
     );
 
 static
-VOID
+void
 s_vMgrFormatTIM(
     IN PSMgmtObject pMgmt,
     IN PWLAN_IE_TIM pTIM
@@ -299,7 +299,7 @@ s_MgrMakeProbeResponse(
 
 // received status
 static
-VOID
+void
 s_vMgrLogStatus(
     IN PSMgmtObject pMgmt,
     IN WORD wStatus
@@ -307,7 +307,7 @@ s_vMgrLogStatus(
 
 
 static
-VOID
+void
 s_vMgrSynchBSS (
     IN PSDevice      pDevice,
     IN UINT          uBSSMode,
@@ -324,7 +324,7 @@ s_bCipherMatch (
     OUT PBYTE                           pbyCCSGK
     );
 
- static VOID  Encyption_Rebuild(
+ static void  Encyption_Rebuild(
     IN PSDevice pDevice,
     IN PKnownBSS pCurr
  );
@@ -347,7 +347,7 @@ s_bCipherMatch (
  *
 -*/
 
-VOID
+void
 vMgrObjectInit(
     IN  HANDLE hDeviceContext
     )
@@ -431,7 +431,7 @@ vMgrTimerInit(
  *
 -*/
 
-VOID
+void
 vMgrObjectReset(
     IN  HANDLE hDeviceContext
     )
@@ -460,7 +460,7 @@ vMgrObjectReset(
 -*/
 
 
-VOID
+void
 vMgrAssocBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject pMgmt,
@@ -536,7 +536,7 @@ vMgrAssocBeginSta(
  *
 -*/
 
-VOID
+void
 vMgrReAssocBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject pMgmt,
@@ -615,7 +615,7 @@ vMgrReAssocBeginSta(
  *
 -*/
 
-VOID
+void
 vMgrDisassocBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject pMgmt,
@@ -678,7 +678,7 @@ vMgrDisassocBeginSta(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAssocRequest(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -840,7 +840,7 @@ s_vMgrRxAssocRequest(
 -*/
 
 static
-VOID
+void
 s_vMgrRxReAssocRequest(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -990,7 +990,7 @@ s_vMgrRxReAssocRequest(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAssocResponse(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -1150,7 +1150,7 @@ if(pMgmt->eCurrState == WMAC_STATE_ASSOC)
  *
 -*/
 
-VOID
+void
 vMgrAuthenBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject  pMgmt,
@@ -1208,7 +1208,7 @@ vMgrAuthenBeginSta(
  *
 -*/
 
-VOID
+void
 vMgrDeAuthenBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject  pMgmt,
@@ -1265,7 +1265,7 @@ vMgrDeAuthenBeginSta(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAuthentication(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -1323,7 +1323,7 @@ s_vMgrRxAuthentication(
 
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_1(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -1429,7 +1429,7 @@ s_vMgrRxAuthenSequence_1(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_2(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -1531,7 +1531,7 @@ s_vMgrRxAuthenSequence_2(
 -*/
 
 static
-VOID
+void
 s_vMgrRxAuthenSequence_3(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -1619,7 +1619,7 @@ reply:
  *
 -*/
 static
-VOID
+void
 s_vMgrRxAuthenSequence_4(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -1658,7 +1658,7 @@ s_vMgrRxAuthenSequence_4(
 -*/
 
 static
-VOID
+void
 s_vMgrRxDisassociation(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -1737,7 +1737,7 @@ s_vMgrRxDisassociation(
 -*/
 
 static
-VOID
+void
 s_vMgrRxDeauthentication(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -1863,7 +1863,7 @@ ChannelExceedZoneType(
 -*/
 
 static
-VOID
+void
 s_vMgrRxBeacon(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -2384,7 +2384,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
  *    CMD_STATUS
  *
 -*/
-VOID
+void
 vMgrCreateOwnIBSS(
     IN  HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
@@ -2651,7 +2651,7 @@ vMgrCreateOwnIBSS(
  *
 -*/
 
-VOID
+void
 vMgrJoinBSSBegin(
     IN  HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
@@ -2920,7 +2920,7 @@ vMgrJoinBSSBegin(
  *
 -*/
 static
-VOID
+void
 s_vMgrSynchBSS (
     IN PSDevice      pDevice,
     IN UINT          uBSSMode,
@@ -3088,7 +3088,7 @@ s_vMgrSynchBSS (
 
 //mike add: fix NetworkManager 0.7.0 hidden ssid mode in WPA encryption
 //                   ,need reset eAuthenMode and eEncryptionStatus
- static VOID  Encyption_Rebuild(
+ static void  Encyption_Rebuild(
     IN PSDevice pDevice,
     IN PKnownBSS pCurr
  )
@@ -3140,12 +3140,12 @@ s_vMgrSynchBSS (
  *
  *
  * Return Value:
- *    VOID
+ *    void
  *
 -*/
 
 static
-VOID
+void
 s_vMgrFormatTIM(
     IN PSMgmtObject pMgmt,
     IN PWLAN_IE_TIM pTIM
@@ -4313,7 +4313,7 @@ s_MgrMakeReAssocResponse(
 -*/
 
 static
-VOID
+void
 s_vMgrRxProbeResponse(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -4438,7 +4438,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 
 
 static
-VOID
+void
 s_vMgrRxProbeRequest(
     IN PSDevice pDevice,
     IN PSMgmtObject pMgmt,
@@ -4534,7 +4534,7 @@ s_vMgrRxProbeRequest(
 -*/
 
 
-VOID
+void
 vMgrRxManagePacket(
     IN  HANDLE hDeviceContext,
     IN PSMgmtObject pMgmt,
@@ -4738,7 +4738,7 @@ bMgrPrepareBeaconToSend(
  *
 -*/
 static
-VOID
+void
 s_vMgrLogStatus(
     IN PSMgmtObject pMgmt,
     IN WORD  wStatus
@@ -4868,7 +4868,7 @@ bAdd_PMKID_Candidate (
  * Return Value: none.
  *
 -*/
-VOID
+void
 vFlush_PMKID_Candidate (
     IN HANDLE hDeviceContext
     )
diff --git a/drivers/staging/vt6655/wmgr.h b/drivers/staging/vt6655/wmgr.h
index 1c1f2ea5782..5963b146ee2 100644
--- a/drivers/staging/vt6655/wmgr.h
+++ b/drivers/staging/vt6655/wmgr.h
@@ -409,7 +409,7 @@ vMgrTimerInit(
     IN  HANDLE hDeviceContext
     );
 
-VOID
+void
 vMgrObjectReset(
     IN  HANDLE hDeviceContext
     );
@@ -421,14 +421,14 @@ vMgrAssocBeginSta(
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrReAssocBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrDisassocBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject pMgmt,
@@ -437,26 +437,26 @@ vMgrDisassocBeginSta(
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrAuthenBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrCreateOwnIBSS(
     IN  HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrJoinBSSBegin(
     IN  HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
-VOID
+void
 vMgrRxManagePacket(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject pMgmt,
@@ -464,14 +464,14 @@ vMgrRxManagePacket(
     );
 
 /*
-VOID
+void
 vMgrScanBegin(
     IN  HANDLE hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 */
 
-VOID
+void
 vMgrDeAuthenBeginSta(
     IN  HANDLE hDeviceContext,
     IN  PSMgmtObject  pMgmt,
@@ -494,7 +494,7 @@ bAdd_PMKID_Candidate (
     IN PSRSNCapObject psRSNCapObj
     );
 
-VOID
+void
 vFlush_PMKID_Candidate (
     IN HANDLE hDeviceContext
     );
diff --git a/drivers/staging/vt6655/wpa.c b/drivers/staging/vt6655/wpa.c
index 5da671418b5..75ae83814d8 100644
--- a/drivers/staging/vt6655/wpa.c
+++ b/drivers/staging/vt6655/wpa.c
@@ -68,7 +68,7 @@ const BYTE abyOUI05[4] = { 0x00, 0x50, 0xf2, 0x05 };
  *
 -*/
 
-VOID
+void
 WPA_ClearRSN (
     IN PKnownBSS        pBSSList
     )
@@ -104,7 +104,7 @@ WPA_ClearRSN (
  * Return Value: none.
  *
 -*/
-VOID
+void
 WPA_ParseRSN (
     IN PKnownBSS        pBSSList,
     IN PWLAN_IE_RSN_EXT pRSN
diff --git a/drivers/staging/vt6655/wpa.h b/drivers/staging/vt6655/wpa.h
index 9d9ce01d0c6..d77c7bb2274 100644
--- a/drivers/staging/vt6655/wpa.h
+++ b/drivers/staging/vt6655/wpa.h
@@ -58,12 +58,12 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID
+void
 WPA_ClearRSN(
     IN PKnownBSS        pBSSList
     );
 
-VOID
+void
 WPA_ParseRSN(
     IN PKnownBSS        pBSSList,
     IN PWLAN_IE_RSN_EXT pRSN
diff --git a/drivers/staging/vt6655/wpa2.c b/drivers/staging/vt6655/wpa2.c
index 931b6bd360e..183d28c29a5 100644
--- a/drivers/staging/vt6655/wpa2.c
+++ b/drivers/staging/vt6655/wpa2.c
@@ -72,7 +72,7 @@ const BYTE abyOUIPSK[4]     = { 0x00, 0x0F, 0xAC, 0x02 };
  * Return Value: none.
  *
 -*/
-VOID
+void
 WPA2_ClearRSN (
     IN PKnownBSS        pBSSNode
     )
@@ -107,7 +107,7 @@ WPA2_ClearRSN (
  * Return Value: none.
  *
 -*/
-VOID
+void
 WPA2vParseRSN (
     IN PKnownBSS        pBSSNode,
     IN PWLAN_IE_RSN     pRSN
diff --git a/drivers/staging/vt6655/wpa2.h b/drivers/staging/vt6655/wpa2.h
index e553b386900..cbd75d0d2bb 100644
--- a/drivers/staging/vt6655/wpa2.h
+++ b/drivers/staging/vt6655/wpa2.h
@@ -58,12 +58,12 @@ typedef struct tagSPMKIDCache {
 
 /*---------------------  Export Functions  --------------------------*/
 
-VOID
+void
 WPA2_ClearRSN (
     IN PKnownBSS        pBSSNode
     );
 
-VOID
+void
 WPA2vParseRSN (
     IN PKnownBSS        pBSSNode,
     IN PWLAN_IE_RSN     pRSN

From 830a619c02a53d52c86534f7d857b2e8d0ba893f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Fri, 7 May 2010 12:30:20 -0700
Subject: [PATCH 1332/3638] Staging: vt6655: remove PVOID definition and use
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/IEEE11h.c     |   6 +-
 drivers/staging/vt6655/IEEE11h.h     |   2 +-
 drivers/staging/vt6655/bssdb.c       |  14 +--
 drivers/staging/vt6655/card.c        | 122 +++++++++++++--------------
 drivers/staging/vt6655/card.h        |  96 ++++++++++-----------
 drivers/staging/vt6655/datarate.c    |  12 +--
 drivers/staging/vt6655/datarate.h    |   4 +-
 drivers/staging/vt6655/device_main.c |  14 +--
 drivers/staging/vt6655/dpc.c         |   2 +-
 drivers/staging/vt6655/dpc.h         |   2 +-
 drivers/staging/vt6655/key.c         |   4 +-
 drivers/staging/vt6655/key.h         |   2 +-
 drivers/staging/vt6655/rxtx.c        |  88 +++++++++----------
 drivers/staging/vt6655/ttype.h       |   7 --
 drivers/staging/vt6655/vntwifi.c     |  58 ++++++-------
 drivers/staging/vt6655/vntwifi.h     |  58 ++++++-------
 drivers/staging/vt6655/wmgr.c        |  18 ++--
 drivers/staging/vt6655/wmgr.h        |   2 +-
 drivers/staging/vt6655/wpa2.c        |   2 +-
 drivers/staging/vt6655/wpa2.h        |   2 +-
 20 files changed, 254 insertions(+), 261 deletions(-)

diff --git a/drivers/staging/vt6655/IEEE11h.c b/drivers/staging/vt6655/IEEE11h.c
index 2567143d3b1..77813002d2f 100644
--- a/drivers/staging/vt6655/IEEE11h.c
+++ b/drivers/staging/vt6655/IEEE11h.c
@@ -203,8 +203,8 @@ static BOOL s_bRxTPCReq(PSMgmtObject pMgmt, PWLAN_FRAME_TPCREQ pTPCReq, BYTE byR
 -*/
 BOOL
 IEEE11hbMgrRxAction (
-    IN PVOID pMgmtHandle,
-    IN PVOID pRxPacket
+    IN void *pMgmtHandle,
+    IN void *pRxPacket
     )
 {
     PSMgmtObject            pMgmt = (PSMgmtObject) pMgmtHandle;
@@ -265,7 +265,7 @@ IEEE11hbMgrRxAction (
 
 
 BOOL IEEE11hbMSRRepTx (
-    IN PVOID pMgmtHandle
+    IN void *pMgmtHandle
     )
 {
     PSMgmtObject            pMgmt = (PSMgmtObject) pMgmtHandle;
diff --git a/drivers/staging/vt6655/IEEE11h.h b/drivers/staging/vt6655/IEEE11h.h
index 0f61eddd6f2..1707388e7cf 100644
--- a/drivers/staging/vt6655/IEEE11h.h
+++ b/drivers/staging/vt6655/IEEE11h.h
@@ -46,7 +46,7 @@
 /*---------------------  Export Functions  --------------------------*/
 
 BOOL IEEE11hbMSRRepTx (
-    IN PVOID pMgmtHandle
+    IN void *pMgmtHandle
     );
 
 #endif // __IEEE11h_H__
diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c
index baa83e269fd..e7bbc56f0c8 100644
--- a/drivers/staging/vt6655/bssdb.c
+++ b/drivers/staging/vt6655/bssdb.c
@@ -764,7 +764,7 @@ BSSbUpdateToBSSList (
 
 BOOL
 BSSDBbIsSTAInNodeDB(
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN PBYTE abyDstAddr,
     OUT PUINT puNodeIndex
     )
@@ -919,7 +919,7 @@ BSSvUpdateAPNode(
     pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
                                             (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                                             uRateLen);
-    RATEvParseMaxRate((PVOID) pDevice,
+    RATEvParseMaxRate((void *)pDevice,
                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                        TRUE,
@@ -972,7 +972,7 @@ BSSvAddMulticastNode(
     pMgmt->sNodeDBTable[0].bActive = TRUE;
     pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
     skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
-    RATEvParseMaxRate((PVOID) pDevice,
+    RATEvParseMaxRate((void *)pDevice,
                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                       TRUE,
@@ -1162,7 +1162,7 @@ start:
 */
                 if (ii > 0) {
                     // ii = 0 for multicast node (AP & Adhoc)
-                    RATEvTxRateFallBack((PVOID)pDevice, &(pMgmt->sNodeDBTable[ii]));
+                    RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
                 }
                 else {
                     // ii = 0 reserved for unicast AP node (Infra STA)
@@ -1170,7 +1170,7 @@ start:
 #ifdef	PLICE_DEBUG
 		printk("SecondCallback:Before:TxDataRate is %d\n",pMgmt->sNodeDBTable[0].wTxDataRate);
 #endif
-                        RATEvTxRateFallBack((PVOID)pDevice, &(pMgmt->sNodeDBTable[ii]));
+                        RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
 #ifdef	PLICE_DEBUG
 		printk("SecondCallback:After:TxDataRate is %d\n",pMgmt->sNodeDBTable[0].wTxDataRate);
 #endif
@@ -1215,14 +1215,14 @@ start:
             if (pDevice->bShortSlotTime) {
                 pDevice->bShortSlotTime = FALSE;
                 BBvSetShortSlotTime(pDevice);
-                vUpdateIFS((PVOID)pDevice);
+                vUpdateIFS((void *)pDevice);
             }
         }
         else {
             if (!pDevice->bShortSlotTime) {
                 pDevice->bShortSlotTime = TRUE;
                 BBvSetShortSlotTime(pDevice);
-                vUpdateIFS((PVOID)pDevice);
+                vUpdateIFS((void *)pDevice);
             }
         }
 
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index 091fbeabb6d..e767044ba0d 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -612,7 +612,7 @@ s_vCaculateOFDMRParameter (
  */
 static
 void
-s_vSetRSPINF (PSDevice pDevice, CARD_PHY_TYPE ePHYType, PVOID pvSupportRateIEs, PVOID pvExtSupportRateIEs)
+s_vSetRSPINF (PSDevice pDevice, CARD_PHY_TYPE ePHYType, void *pvSupportRateIEs, void *pvExtSupportRateIEs)
 {
     BYTE  byServ = 0, bySignal = 0; // For CCK
     WORD  wLen = 0;
@@ -728,7 +728,7 @@ s_vSetRSPINF (PSDevice pDevice, CARD_PHY_TYPE ePHYType, PVOID pvSupportRateIEs,
 /*---------------------  Export Variables  --------------------------*/
 
 /*---------------------  Export Functions  --------------------------*/
-BYTE CARDbyGetChannelMapping (PVOID pDeviceHandler, BYTE byChannelNumber, CARD_PHY_TYPE ePhyType)
+BYTE CARDbyGetChannelMapping (void *pDeviceHandler, BYTE byChannelNumber, CARD_PHY_TYPE ePhyType)
 {
     UINT        ii;
 
@@ -746,7 +746,7 @@ BYTE CARDbyGetChannelMapping (PVOID pDeviceHandler, BYTE byChannelNumber, CARD_P
 }
 
 
-BYTE CARDbyGetChannelNumber (PVOID pDeviceHandler, BYTE byChannelIndex)
+BYTE CARDbyGetChannelNumber (void *pDeviceHandler, BYTE byChannelIndex)
 {
 //    PSDevice    pDevice = (PSDevice) pDeviceHandler;
     return(sChannelTbl[byChannelIndex].byChannelNumber);
@@ -765,7 +765,7 @@ BYTE CARDbyGetChannelNumber (PVOID pDeviceHandler, BYTE byChannelIndex)
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL CARDbSetChannel (PVOID pDeviceHandler, UINT uConnectionChannel)
+BOOL CARDbSetChannel (void *pDeviceHandler, UINT uConnectionChannel)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BOOL        bResult = TRUE;
@@ -853,7 +853,7 @@ BOOL CARDbSetChannel (PVOID pDeviceHandler, UINT uConnectionChannel)
  *
  */
 /*
-BOOL CARDbSendPacket (PVOID pDeviceHandler, PVOID pPacket, CARD_PKT_TYPE ePktType, UINT uLength)
+BOOL CARDbSendPacket (void *pDeviceHandler, void *pPacket, CARD_PKT_TYPE ePktType, UINT uLength)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     if (ePktType == PKT_TYPE_802_11_MNG) {
@@ -881,7 +881,7 @@ BOOL CARDbSendPacket (PVOID pDeviceHandler, PVOID pPacket, CARD_PKT_TYPE ePktTyp
  * Return Value: TRUE if short preamble; otherwise FALSE
  *
  */
-BOOL CARDbIsShortPreamble (PVOID pDeviceHandler)
+BOOL CARDbIsShortPreamble (void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     if (pDevice->byPreambleType == 0) {
@@ -902,7 +902,7 @@ BOOL CARDbIsShortPreamble (PVOID pDeviceHandler)
  * Return Value: TRUE if short slot time; otherwise FALSE
  *
  */
-BOOL CARDbIsShorSlotTime (PVOID pDeviceHandler)
+BOOL CARDbIsShorSlotTime (void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     return(pDevice->bShortSlotTime);
@@ -921,7 +921,7 @@ BOOL CARDbIsShorSlotTime (PVOID pDeviceHandler)
  * Return Value: None.
  *
  */
-BOOL CARDbSetPhyParameter (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType, WORD wCapInfo, BYTE byERPField, PVOID pvSupportRateIEs, PVOID pvExtSupportRateIEs)
+BOOL CARDbSetPhyParameter (void *pDeviceHandler, CARD_PHY_TYPE ePHYType, WORD wCapInfo, BYTE byERPField, void *pvSupportRateIEs, void *pvExtSupportRateIEs)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BYTE        byCWMaxMin = 0;
@@ -1108,7 +1108,7 @@ BOOL CARDbSetPhyParameter (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType, WORD wC
  * Return Value: none
  *
  */
-BOOL CARDbUpdateTSF (PVOID pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF)
+BOOL CARDbUpdateTSF (void *pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     QWORD       qwTSFOffset;
@@ -1143,7 +1143,7 @@ BOOL CARDbUpdateTSF (PVOID pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp,
  * Return Value: TRUE if succeed; otherwise FALSE
  *
  */
-BOOL CARDbSetBeaconPeriod (PVOID pDeviceHandler, WORD wBeaconInterval)
+BOOL CARDbSetBeaconPeriod (void *pDeviceHandler, WORD wBeaconInterval)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     UINT        uBeaconInterval = 0;
@@ -1197,7 +1197,7 @@ BOOL CARDbSetBeaconPeriod (PVOID pDeviceHandler, WORD wBeaconInterval)
  * Return Value: TRUE if all data packet complete; otherwise FALSE.
  *
  */
-BOOL CARDbStopTxPacket (PVOID pDeviceHandler, CARD_PKT_TYPE ePktType)
+BOOL CARDbStopTxPacket (void *pDeviceHandler, CARD_PKT_TYPE ePktType)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
 
@@ -1255,7 +1255,7 @@ BOOL CARDbStopTxPacket (PVOID pDeviceHandler, CARD_PKT_TYPE ePktType)
  * Return Value: TRUE if success; FALSE if failed.
  *
  */
-BOOL CARDbStartTxPacket (PVOID pDeviceHandler, CARD_PKT_TYPE ePktType)
+BOOL CARDbStartTxPacket (void *pDeviceHandler, CARD_PKT_TYPE ePktType)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
 
@@ -1297,7 +1297,7 @@ BOOL CARDbStartTxPacket (PVOID pDeviceHandler, CARD_PKT_TYPE ePktType)
  * Return Value: TRUE if success; FALSE if failed.
  *
  */
-BOOL CARDbSetBSSID(PVOID pDeviceHandler, PBYTE pbyBSSID, CARD_OP_MODE eOPMode)
+BOOL CARDbSetBSSID(void *pDeviceHandler, PBYTE pbyBSSID, CARD_OP_MODE eOPMode)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
 
@@ -1367,7 +1367,7 @@ BOOL CARDbSetBSSID(PVOID pDeviceHandler, PBYTE pbyBSSID, CARD_OP_MODE eOPMode)
  *
  */
 BOOL CARDbSetTxDataRate(
-    PVOID   pDeviceHandler,
+    void *pDeviceHandler,
     WORD    wDataRate
     )
 {
@@ -1393,7 +1393,7 @@ BOOL CARDbSetTxDataRate(
 -*/
 BOOL
 CARDbPowerDown(
-    PVOID   pDeviceHandler
+    void *pDeviceHandler
     )
 {
     PSDevice        pDevice = (PSDevice)pDeviceHandler;
@@ -1430,7 +1430,7 @@ CARDbPowerDown(
  * Return Value: TRUE if success; otherwise FALSE
  *
  */
-BOOL CARDbRadioPowerOff (PVOID pDeviceHandler)
+BOOL CARDbRadioPowerOff (void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BOOL        bResult = TRUE;
@@ -1479,7 +1479,7 @@ MACvRegBitsOn(pDevice->PortOffset, MAC_REG_GPIOCTL0, LED_ACTSET);  //LED issue
  * Return Value: TRUE if success; otherwise FALSE
  *
  */
-BOOL CARDbRadioPowerOn (PVOID pDeviceHandler)
+BOOL CARDbRadioPowerOn (void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BOOL        bResult = TRUE;
@@ -1523,7 +1523,7 @@ MACvRegBitsOff(pDevice->PortOffset, MAC_REG_GPIOCTL0, LED_ACTSET); //LED issue
 
 
 
-BOOL CARDbRemoveKey (PVOID pDeviceHandler, PBYTE pbyBSSID)
+BOOL CARDbRemoveKey (void *pDeviceHandler, PBYTE pbyBSSID)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
 
@@ -1550,7 +1550,7 @@ BOOL CARDbRemoveKey (PVOID pDeviceHandler, PBYTE pbyBSSID)
 -*/
 BOOL
 CARDbAdd_PMKID_Candidate (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN PBYTE            pbyBSSID,
     IN BOOL             bRSNCapExist,
     IN WORD             wRSNCap
@@ -1599,9 +1599,9 @@ CARDbAdd_PMKID_Candidate (
     return TRUE;
 }
 
-PVOID
+void *
 CARDpGetCurrentAddress (
-    IN PVOID            pDeviceHandler
+    IN void *pDeviceHandler
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -1611,7 +1611,7 @@ CARDpGetCurrentAddress (
 
 
 
-void CARDvInitChannelTable (PVOID pDeviceHandler)
+void CARDvInitChannelTable (void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BOOL        bMultiBand = FALSE;
@@ -1708,8 +1708,8 @@ void CARDvInitChannelTable (PVOID pDeviceHandler)
 -*/
 BOOL
 CARDbStartMeasure (
-    IN PVOID            pDeviceHandler,
-    IN PVOID            pvMeasureEIDs,
+    IN void *pDeviceHandler,
+    IN void *pvMeasureEIDs,
     IN UINT             uNumOfMeasureEIDs
     )
 {
@@ -1835,7 +1835,7 @@ CARDbStartMeasure (
 -*/
 BOOL
 CARDbChannelSwitch (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN BYTE             byMode,
     IN BYTE             byNewChannel,
     IN BYTE             byCount
@@ -1878,7 +1878,7 @@ CARDbChannelSwitch (
 -*/
 BOOL
 CARDbSetQuiet (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN BOOL             bResetQuiet,
     IN BYTE             byQuietCount,
     IN BYTE             byQuietPeriod,
@@ -1934,7 +1934,7 @@ CARDbSetQuiet (
 -*/
 BOOL
 CARDbStartQuiet (
-    IN PVOID            pDeviceHandler
+    IN void *pDeviceHandler
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2035,9 +2035,9 @@ CARDbStartQuiet (
 -*/
 void
 CARDvSetCountryInfo (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN CARD_PHY_TYPE    ePHYType,
-    IN PVOID            pIE
+    IN void *pIE
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -2094,7 +2094,7 @@ CARDvSetCountryInfo (
 -*/
 void
 CARDvSetPowerConstraint (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN BYTE             byChannel,
     IN I8               byPower
     )
@@ -2129,7 +2129,7 @@ CARDvSetPowerConstraint (
 -*/
 void
 CARDvGetPowerCapability (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     OUT PBYTE           pbyMinPower,
     OUT PBYTE           pbyMaxPower
     )
@@ -2165,7 +2165,7 @@ CARDvGetPowerCapability (
 -*/
 BYTE
 CARDbySetSupportChannels (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN OUT PBYTE        pbyIEs
     )
 {
@@ -2256,7 +2256,7 @@ CARDbySetSupportChannels (
 -*/
 I8
 CARDbyGetTransmitPower (
-    IN PVOID            pDeviceHandler
+    IN void *pDeviceHandler
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2281,8 +2281,8 @@ CARDbChannelGetList (
 
 void
 CARDvSetCountryIE(
-    IN PVOID        pDeviceHandler,
-    IN PVOID        pIE
+    IN void *pDeviceHandler,
+    IN void *pIE
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -2307,7 +2307,7 @@ CARDvSetCountryIE(
 
 BOOL
 CARDbGetChannelMapInfo(
-    IN PVOID        pDeviceHandler,
+    IN void *pDeviceHandler,
     IN UINT         uChannelIndex,
     OUT PBYTE       pbyChannelNumber,
     OUT PBYTE       pbyMap
@@ -2326,7 +2326,7 @@ CARDbGetChannelMapInfo(
 
 void
 CARDvSetChannelMapInfo(
-    IN PVOID        pDeviceHandler,
+    IN void *pDeviceHandler,
     IN UINT         uChannelIndex,
     IN BYTE         byMap
     )
@@ -2342,7 +2342,7 @@ CARDvSetChannelMapInfo(
 
 void
 CARDvClearChannelMapInfo(
-    IN PVOID        pDeviceHandler
+    IN void *pDeviceHandler
     )
 {
 //    PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2356,7 +2356,7 @@ CARDvClearChannelMapInfo(
 
 BYTE
 CARDbyAutoChannelSelect(
-    IN PVOID        pDeviceHandler,
+    IN void *pDeviceHandler,
     CARD_PHY_TYPE   ePHYType
     )
 {
@@ -2422,7 +2422,7 @@ CARDbyAutoChannelSelect(
 //xxx
 void
 CARDvSafeResetTx (
-    IN PVOID    pDeviceHandler
+    IN void *pDeviceHandler
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2478,7 +2478,7 @@ CARDvSafeResetTx (
 -*/
 void
 CARDvSafeResetRx (
-    IN PVOID    pDeviceHandler
+    IN void *pDeviceHandler
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2537,7 +2537,7 @@ CARDvSafeResetRx (
  * Return Value: response Control frame rate
  *
  */
-WORD CARDwGetCCKControlRate(PVOID pDeviceHandler, WORD wRateIdx)
+WORD CARDwGetCCKControlRate(void *pDeviceHandler, WORD wRateIdx)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     UINT ui = (UINT)wRateIdx;
@@ -2564,14 +2564,14 @@ WORD CARDwGetCCKControlRate(PVOID pDeviceHandler, WORD wRateIdx)
  * Return Value: response Control frame rate
  *
  */
-WORD CARDwGetOFDMControlRate (PVOID pDeviceHandler, WORD wRateIdx)
+WORD CARDwGetOFDMControlRate (void *pDeviceHandler, WORD wRateIdx)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
     UINT ui = (UINT)wRateIdx;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BASIC RATE: %X\n", pDevice->wBasicRate);
 
-    if (!CARDbIsOFDMinBasicRate((PVOID)pDevice)) {
+    if (!CARDbIsOFDMinBasicRate((void *)pDevice)) {
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CARDwGetOFDMControlRate:(NO OFDM) %d\n", wRateIdx);
         if (wRateIdx > RATE_24M)
             wRateIdx = RATE_24M;
@@ -2601,7 +2601,7 @@ WORD CARDwGetOFDMControlRate (PVOID pDeviceHandler, WORD wRateIdx)
  * Return Value: None.
  *
  */
-void CARDvSetRSPINF (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType)
+void CARDvSetRSPINF (void *pDeviceHandler, CARD_PHY_TYPE ePHYType)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
     BYTE  byServ = 0x00, bySignal = 0x00; //For CCK
@@ -2614,7 +2614,7 @@ void CARDvSetRSPINF (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType)
     //RSPINF_b_1
     BBvCaculateParameter(pDevice,
                          14,
-                         CARDwGetCCKControlRate((PVOID)pDevice, RATE_1M),
+                         CARDwGetCCKControlRate((void *)pDevice, RATE_1M),
                          PK_TYPE_11B,
                          &wLen,
                          &byServ,
@@ -2625,7 +2625,7 @@ void CARDvSetRSPINF (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType)
     ///RSPINF_b_2
     BBvCaculateParameter(pDevice,
                          14,
-                         CARDwGetCCKControlRate((PVOID)pDevice, RATE_2M),
+                         CARDwGetCCKControlRate((void *)pDevice, RATE_2M),
                          PK_TYPE_11B,
                          &wLen,
                          &byServ,
@@ -2636,7 +2636,7 @@ void CARDvSetRSPINF (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType)
     //RSPINF_b_5
     BBvCaculateParameter(pDevice,
                          14,
-                         CARDwGetCCKControlRate((PVOID)pDevice, RATE_5M),
+                         CARDwGetCCKControlRate((void *)pDevice, RATE_5M),
                          PK_TYPE_11B,
                          &wLen,
                          &byServ,
@@ -2647,7 +2647,7 @@ void CARDvSetRSPINF (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType)
     //RSPINF_b_11
     BBvCaculateParameter(pDevice,
                          14,
-                         CARDwGetCCKControlRate((PVOID)pDevice, RATE_11M),
+                         CARDwGetCCKControlRate((void *)pDevice, RATE_11M),
                          PK_TYPE_11B,
                          &wLen,
                          &byServ,
@@ -2686,26 +2686,26 @@ void CARDvSetRSPINF (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType)
                               &byRsvTime);
     VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_24, MAKEWORD(byTxRate,byRsvTime));
     //RSPINF_a_36
-    s_vCaculateOFDMRParameter(CARDwGetOFDMControlRate((PVOID)pDevice, RATE_36M),
+    s_vCaculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_36M),
                               ePHYType,
                               &byTxRate,
                               &byRsvTime);
     VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_36, MAKEWORD(byTxRate,byRsvTime));
     //RSPINF_a_48
-    s_vCaculateOFDMRParameter(CARDwGetOFDMControlRate((PVOID)pDevice, RATE_48M),
+    s_vCaculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_48M),
                               ePHYType,
                               &byTxRate,
                               &byRsvTime);
     VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_48, MAKEWORD(byTxRate,byRsvTime));
     //RSPINF_a_54
-    s_vCaculateOFDMRParameter(CARDwGetOFDMControlRate((PVOID)pDevice, RATE_54M),
+    s_vCaculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_54M),
                               ePHYType,
                               &byTxRate,
                               &byRsvTime);
     VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_54, MAKEWORD(byTxRate,byRsvTime));
 
     //RSPINF_a_72
-    s_vCaculateOFDMRParameter(CARDwGetOFDMControlRate((PVOID)pDevice, RATE_54M),
+    s_vCaculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_54M),
                               ePHYType,
                               &byTxRate,
                               &byRsvTime);
@@ -2726,7 +2726,7 @@ void CARDvSetRSPINF (PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType)
  * Return Value: None.
  *
  */
-void vUpdateIFS (PVOID pDeviceHandler)
+void vUpdateIFS (void *pDeviceHandler)
 {
     //Set SIFS, DIFS, EIFS, SlotTime, CwMin
     PSDevice pDevice = (PSDevice) pDeviceHandler;
@@ -2780,7 +2780,7 @@ void vUpdateIFS (PVOID pDeviceHandler)
     VNSvOutPortB(pDevice->PortOffset + MAC_REG_CWMAXMIN0, (BYTE)byMaxMin);
 }
 
-void CARDvUpdateBasicTopRate (PVOID pDeviceHandler)
+void CARDvUpdateBasicTopRate (void *pDeviceHandler)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
     BYTE byTopOFDM = RATE_24M, byTopCCK = RATE_1M;
@@ -2820,7 +2820,7 @@ void CARDvUpdateBasicTopRate (PVOID pDeviceHandler)
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL CARDbAddBasicRate (PVOID pDeviceHandler, WORD wRateIdx)
+BOOL CARDbAddBasicRate (void *pDeviceHandler, WORD wRateIdx)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
     WORD wRate = (WORD)(1<<wRateIdx);
@@ -2828,12 +2828,12 @@ BOOL CARDbAddBasicRate (PVOID pDeviceHandler, WORD wRateIdx)
     pDevice->wBasicRate |= wRate;
 
     //Determines the highest basic rate.
-    CARDvUpdateBasicTopRate((PVOID)pDevice);
+    CARDvUpdateBasicTopRate((void *)pDevice);
 
     return(TRUE);
 }
 
-BOOL CARDbIsOFDMinBasicRate (PVOID pDeviceHandler)
+BOOL CARDbIsOFDMinBasicRate (void *pDeviceHandler)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
     int ii;
@@ -2845,14 +2845,14 @@ BOOL CARDbIsOFDMinBasicRate (PVOID pDeviceHandler)
     return FALSE;
 }
 
-BYTE CARDbyGetPktType (PVOID pDeviceHandler)
+BYTE CARDbyGetPktType (void *pDeviceHandler)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
 
     if (pDevice->byBBType == BB_TYPE_11A || pDevice->byBBType == BB_TYPE_11B) {
         return (BYTE)pDevice->byBBType;
     }
-    else if (CARDbIsOFDMinBasicRate((PVOID)pDevice)) {
+    else if (CARDbIsOFDMinBasicRate((void *)pDevice)) {
         return PK_TYPE_11GA;
     }
     else {
@@ -2902,7 +2902,7 @@ void CARDvSetLoopbackMode (DWORD_PTR dwIoBase, WORD wLoopbackMode)
  * Return Value: none
  *
  */
-BOOL CARDbSoftwareReset (PVOID pDeviceHandler)
+BOOL CARDbSoftwareReset (void *pDeviceHandler)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
 
diff --git a/drivers/staging/vt6655/card.h b/drivers/staging/vt6655/card.h
index 6a9980d720a..2114e99b584 100644
--- a/drivers/staging/vt6655/card.h
+++ b/drivers/staging/vt6655/card.h
@@ -87,77 +87,77 @@ typedef enum _CARD_OP_MODE {
 /*---------------------  Export Functions  --------------------------*/
 
 BOOL ChannelValid(UINT CountryCode, UINT ChannelIndex);
-void CARDvSetRSPINF(PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType);
-void vUpdateIFS(PVOID pDeviceHandler);
-void CARDvUpdateBasicTopRate(PVOID pDeviceHandler);
-BOOL CARDbAddBasicRate(PVOID pDeviceHandler, WORD wRateIdx);
-BOOL CARDbIsOFDMinBasicRate(PVOID pDeviceHandler);
+void CARDvSetRSPINF(void *pDeviceHandler, CARD_PHY_TYPE ePHYType);
+void vUpdateIFS(void *pDeviceHandler);
+void CARDvUpdateBasicTopRate(void *pDeviceHandler);
+BOOL CARDbAddBasicRate(void *pDeviceHandler, WORD wRateIdx);
+BOOL CARDbIsOFDMinBasicRate(void *pDeviceHandler);
 void CARDvSetLoopbackMode(DWORD_PTR dwIoBase, WORD wLoopbackMode);
-BOOL CARDbSoftwareReset(PVOID pDeviceHandler);
+BOOL CARDbSoftwareReset(void *pDeviceHandler);
 void CARDvSetFirstNextTBTT(DWORD_PTR dwIoBase, WORD wBeaconInterval);
 void CARDvUpdateNextTBTT(DWORD_PTR dwIoBase, QWORD qwTSF, WORD wBeaconInterval);
 BOOL CARDbGetCurrentTSF(DWORD_PTR dwIoBase, PQWORD pqwCurrTSF);
 QWORD CARDqGetNextTBTT(QWORD qwTSF, WORD wBeaconInterval);
 QWORD CARDqGetTSFOffset(BYTE byRxRate, QWORD qwTSF1, QWORD qwTSF2);
-BOOL CARDbSetTxPower(PVOID pDeviceHandler, ULONG ulTxPower);
-BYTE CARDbyGetPktType(PVOID pDeviceHandler);
-void CARDvSafeResetTx(PVOID pDeviceHandler);
-void CARDvSafeResetRx(PVOID pDeviceHandler);
+BOOL CARDbSetTxPower(void *pDeviceHandler, ULONG ulTxPower);
+BYTE CARDbyGetPktType(void *pDeviceHandler);
+void CARDvSafeResetTx(void *pDeviceHandler);
+void CARDvSafeResetRx(void *pDeviceHandler);
 
 //xxx
-BOOL CARDbRadioPowerOff(PVOID pDeviceHandler);
-BOOL CARDbRadioPowerOn(PVOID pDeviceHandler);
-BOOL CARDbSetChannel(PVOID pDeviceHandler, UINT uConnectionChannel);
-//BOOL CARDbSendPacket(PVOID pDeviceHandler, PVOID pPacket, CARD_PKT_TYPE ePktType, UINT uLength);
-BOOL CARDbIsShortPreamble(PVOID pDeviceHandler);
-BOOL CARDbIsShorSlotTime(PVOID pDeviceHandler);
-BOOL CARDbSetPhyParameter(PVOID pDeviceHandler, CARD_PHY_TYPE ePHYType, WORD wCapInfo, BYTE byERPField, PVOID pvSupportRateIEs, PVOID pvExtSupportRateIEs);
-BOOL CARDbUpdateTSF(PVOID pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF);
-BOOL CARDbStopTxPacket(PVOID pDeviceHandler, CARD_PKT_TYPE ePktType);
-BOOL CARDbStartTxPacket(PVOID pDeviceHandler, CARD_PKT_TYPE ePktType);
-BOOL CARDbSetBeaconPeriod(PVOID pDeviceHandler, WORD wBeaconInterval);
-BOOL CARDbSetBSSID(PVOID pDeviceHandler, PBYTE pbyBSSID, CARD_OP_MODE eOPMode);
+BOOL CARDbRadioPowerOff(void *pDeviceHandler);
+BOOL CARDbRadioPowerOn(void *pDeviceHandler);
+BOOL CARDbSetChannel(void *pDeviceHandler, UINT uConnectionChannel);
+//BOOL CARDbSendPacket(void *pDeviceHandler, void *pPacket, CARD_PKT_TYPE ePktType, UINT uLength);
+BOOL CARDbIsShortPreamble(void *pDeviceHandler);
+BOOL CARDbIsShorSlotTime(void *pDeviceHandler);
+BOOL CARDbSetPhyParameter(void *pDeviceHandler, CARD_PHY_TYPE ePHYType, WORD wCapInfo, BYTE byERPField, void *pvSupportRateIEs, void *pvExtSupportRateIEs);
+BOOL CARDbUpdateTSF(void *pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF);
+BOOL CARDbStopTxPacket(void *pDeviceHandler, CARD_PKT_TYPE ePktType);
+BOOL CARDbStartTxPacket(void *pDeviceHandler, CARD_PKT_TYPE ePktType);
+BOOL CARDbSetBeaconPeriod(void *pDeviceHandler, WORD wBeaconInterval);
+BOOL CARDbSetBSSID(void *pDeviceHandler, PBYTE pbyBSSID, CARD_OP_MODE eOPMode);
 
 BOOL
 CARDbPowerDown(
-    PVOID   pDeviceHandler
+    void *pDeviceHandler
     );
 
 BOOL CARDbSetTxDataRate(
-    PVOID   pDeviceHandler,
+    void *pDeviceHandler,
     WORD    wDataRate
     );
 
 
-BOOL CARDbRemoveKey (PVOID pDeviceHandler, PBYTE pbyBSSID);
+BOOL CARDbRemoveKey (void *pDeviceHandler, PBYTE pbyBSSID);
 
 BOOL
 CARDbAdd_PMKID_Candidate (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN PBYTE            pbyBSSID,
     IN BOOL             bRSNCapExist,
     IN WORD             wRSNCap
     );
 
-PVOID
+void *
 CARDpGetCurrentAddress (
-    IN PVOID            pDeviceHandler
+    IN void *pDeviceHandler
     );
 
 
-void CARDvInitChannelTable(PVOID pDeviceHandler);
-BYTE CARDbyGetChannelMapping(PVOID pDeviceHandler, BYTE byChannelNumber, CARD_PHY_TYPE ePhyType);
+void CARDvInitChannelTable(void *pDeviceHandler);
+BYTE CARDbyGetChannelMapping(void *pDeviceHandler, BYTE byChannelNumber, CARD_PHY_TYPE ePhyType);
 
 BOOL
 CARDbStartMeasure (
-    IN PVOID            pDeviceHandler,
-    IN PVOID            pvMeasureEIDs,
+    IN void *pDeviceHandler,
+    IN void *pvMeasureEIDs,
     IN UINT             uNumOfMeasureEIDs
     );
 
 BOOL
 CARDbChannelSwitch (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN BYTE             byMode,
     IN BYTE             byNewChannel,
     IN BYTE             byCount
@@ -165,7 +165,7 @@ CARDbChannelSwitch (
 
 BOOL
 CARDbSetQuiet (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN BOOL             bResetQuiet,
     IN BYTE             byQuietCount,
     IN BYTE             byQuietPeriod,
@@ -175,39 +175,39 @@ CARDbSetQuiet (
 
 BOOL
 CARDbStartQuiet (
-    IN PVOID            pDeviceHandler
+    IN void *pDeviceHandler
     );
 
 void
 CARDvSetCountryInfo (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN CARD_PHY_TYPE    ePHYType,
-    IN PVOID            pIE
+    IN void *pIE
     );
 
 void
 CARDvSetPowerConstraint (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN BYTE             byChannel,
     IN I8               byPower
     );
 
 void
 CARDvGetPowerCapability (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     OUT PBYTE           pbyMinPower,
     OUT PBYTE           pbyMaxPower
     );
 
 BYTE
 CARDbySetSupportChannels (
-    IN PVOID            pDeviceHandler,
+    IN void *pDeviceHandler,
     IN OUT PBYTE        pbyIEs
     );
 
 I8
 CARDbyGetTransmitPower (
-    IN PVOID            pDeviceHandler
+    IN void *pDeviceHandler
     );
 
 BOOL
@@ -218,13 +218,13 @@ CARDbChannelGetList (
 
 void
 CARDvSetCountryIE(
-    IN PVOID        pDeviceHandler,
-    IN PVOID        pIE
+    IN void *pDeviceHandler,
+    IN void *pIE
     );
 
 BOOL
 CARDbGetChannelMapInfo(
-    IN PVOID        pDeviceHandler,
+    IN void *pDeviceHandler,
     IN UINT         uChannelIndex,
     OUT PBYTE       pbyChannelNumber,
     OUT PBYTE       pbyMap
@@ -232,23 +232,23 @@ CARDbGetChannelMapInfo(
 
 void
 CARDvSetChannelMapInfo(
-    IN PVOID        pDeviceHandler,
+    IN void *pDeviceHandler,
     IN UINT         uChannelIndex,
     IN BYTE         byMap
     );
 
 void
 CARDvClearChannelMapInfo(
-    IN PVOID        pDeviceHandler
+    IN void *pDeviceHandler
     );
 
 BYTE
 CARDbyAutoChannelSelect(
-    IN PVOID        pDeviceHandler,
+    IN void *pDeviceHandler,
     CARD_PHY_TYPE   ePHYType
     );
 
-BYTE CARDbyGetChannelNumber(PVOID pDeviceHandler, BYTE byChannelIndex);
+BYTE CARDbyGetChannelNumber(void *pDeviceHandler, BYTE byChannelIndex);
 
 #endif // __CARD_H__
 
diff --git a/drivers/staging/vt6655/datarate.c b/drivers/staging/vt6655/datarate.c
index eb7653cdb57..e0d1a94f732 100644
--- a/drivers/staging/vt6655/datarate.c
+++ b/drivers/staging/vt6655/datarate.c
@@ -196,7 +196,7 @@ wGetRateIdx(
 -*/
 void
 RATEvParseMaxRate (
-    IN PVOID pDeviceHandler,
+    IN void *pDeviceHandler,
     IN PWLAN_IE_SUPP_RATES pItemRates,
     IN PWLAN_IE_SUPP_RATES pItemExtRates,
     IN BOOL bUpdateBasicRate,
@@ -235,7 +235,7 @@ UINT  uRateLen;
         if (WLAN_MGMT_IS_BASICRATE(byRate) &&
             (bUpdateBasicRate == TRUE))  {
             // Add to basic rate set, update pDevice->byTopCCKBasicRate and pDevice->byTopOFDMBasicRate
-            CARDbAddBasicRate((PVOID)pDevice, wGetRateIdx(byRate));
+            CARDbAddBasicRate((void *)pDevice, wGetRateIdx(byRate));
             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate: %d\n", wGetRateIdx(byRate));
         }
         byRate = (BYTE)(pItemRates->abyRates[ii]&0x7F);
@@ -258,7 +258,7 @@ UINT  uRateLen;
             // select highest basic rate
             if (WLAN_MGMT_IS_BASICRATE(pItemExtRates->abyRates[ii])) {
             	// Add to basic rate set, update pDevice->byTopCCKBasicRate and pDevice->byTopOFDMBasicRate
-                CARDbAddBasicRate((PVOID)pDevice, wGetRateIdx(byRate));
+                CARDbAddBasicRate((void *)pDevice, wGetRateIdx(byRate));
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate: %d\n", wGetRateIdx(byRate));
             }
             byRate = (BYTE)(pItemExtRates->abyRates[ii]&0x7F);
@@ -271,7 +271,7 @@ UINT  uRateLen;
         }
     } //if(pItemExtRates != NULL)
 
-    if ((pDevice->byPacketType == PK_TYPE_11GB) && CARDbIsOFDMinBasicRate((PVOID)pDevice)) {
+    if ((pDevice->byPacketType == PK_TYPE_11GB) && CARDbIsOFDMinBasicRate((void *)pDevice)) {
         pDevice->byPacketType = PK_TYPE_11GA;
     }
 
@@ -283,7 +283,7 @@ UINT  uRateLen;
     else
        *pwMaxBasicRate = pDevice->byTopOFDMBasicRate;
     if (wOldBasicRate != pDevice->wBasicRate)
-        CARDvSetRSPINF((PVOID)pDevice, pDevice->eCurrentPHYType);
+        CARDvSetRSPINF((void *)pDevice, pDevice->eCurrentPHYType);
 
      DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Exit ParseMaxRate\n");
 }
@@ -309,7 +309,7 @@ UINT  uRateLen;
 
 void
 RATEvTxRateFallBack (
-    IN PVOID pDeviceHandler,
+    IN void *pDeviceHandler,
     IN PKnownNodeDB psNodeDBTable
     )
 {
diff --git a/drivers/staging/vt6655/datarate.h b/drivers/staging/vt6655/datarate.h
index 1135fe3e6f8..bba4a16d004 100644
--- a/drivers/staging/vt6655/datarate.h
+++ b/drivers/staging/vt6655/datarate.h
@@ -56,7 +56,7 @@
 
 void
 RATEvParseMaxRate(
-    IN PVOID pDeviceHandler,
+    IN void *pDeviceHandler,
     IN PWLAN_IE_SUPP_RATES pItemRates,
     IN PWLAN_IE_SUPP_RATES pItemExtRates,
     IN BOOL bUpdateBasicRate,
@@ -69,7 +69,7 @@ RATEvParseMaxRate(
 
 void
 RATEvTxRateFallBack(
-    IN PVOID pDeviceHandler,
+    IN void *pDeviceHandler,
     IN PKnownNodeDB psNodeDBTable
     );
 
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 90ebad15c3d..8a63a031d00 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -729,7 +729,7 @@ else
             pDevice->abyOFDMPwrTbl[ii+CB_MAX_CHANNEL_24G+1] = SROMbyReadEmbedded(pDevice->PortOffset, (BYTE)(ii + EEP_OFS_OFDMA_PWR_TBL));
             pDevice->abyOFDMDefaultPwr[ii+CB_MAX_CHANNEL_24G+1] = SROMbyReadEmbedded(pDevice->PortOffset, (BYTE)(ii + EEP_OFS_OFDMA_PWR_dBm));
         }
-        CARDvInitChannelTable((PVOID)pDevice);
+        CARDvInitChannelTable((void *)pDevice);
 
 
         if (pDevice->byLocalID > REV_ID_VT3253_B1) {
@@ -1074,7 +1074,7 @@ device_found1(struct pci_dev *pcid, const struct pci_device_id *ent)
     //Enable the chip specified capbilities
     pDevice->flags = pDevice->sOpts.flags | (pChip_info->flags & 0xFF000000UL);
     pDevice->tx_80211 = device_dma0_tx_80211;
-    pDevice->sMgmtObj.pAdapter = (PVOID)pDevice;
+    pDevice->sMgmtObj.pAdapter = (void *)pDevice;
     pDevice->pMgmt = &(pDevice->sMgmtObj);
 
     dev->irq                = pcid->irq;
@@ -1249,7 +1249,7 @@ device_release_WPADEV(pDevice);
         unregister_netdev(dev);
 
     if (pDevice->PortOffset)
-        iounmap((PVOID)pDevice->PortOffset);
+        iounmap((void *)pDevice->PortOffset);
 
     if (pDevice->pcid)
         pci_release_regions(pDevice->pcid);
@@ -1461,7 +1461,7 @@ static void device_free_rd0_ring(PSDevice pDevice) {
 
         dev_kfree_skb(pRDInfo->skb);
 
-        kfree((PVOID)pDesc->pRDInfo);
+        kfree((void *)pDesc->pRDInfo);
     }
 
 }
@@ -1479,7 +1479,7 @@ static void device_free_rd1_ring(PSDevice pDevice) {
 
         dev_kfree_skb(pRDInfo->skb);
 
-        kfree((PVOID)pDesc->pRDInfo);
+        kfree((void *)pDesc->pRDInfo);
     }
 
 }
@@ -1564,7 +1564,7 @@ static void device_free_td0_ring(PSDevice pDevice) {
         if (pTDInfo->skb)
             dev_kfree_skb(pTDInfo->skb);
 
-        kfree((PVOID)pDesc->pTDInfo);
+        kfree((void *)pDesc->pTDInfo);
     }
 }
 
@@ -1582,7 +1582,7 @@ static void device_free_td1_ring(PSDevice pDevice) {
         if (pTDInfo->skb)
             dev_kfree_skb(pTDInfo->skb);
 
-        kfree((PVOID)pDesc->pTDInfo);
+        kfree((void *)pDesc->pTDInfo);
     }
 
 }
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index 58dced747fa..ab13bdfc51b 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -314,7 +314,7 @@ s_vGetDASA (
 
 //PLICE_DEBUG ->
 
-void	MngWorkItem(PVOID Context)
+void	MngWorkItem(void *Context)
 {
 	PSRxMgmtPacket			pRxMgmtPacket;
 	PSDevice	pDevice =  (PSDevice) Context;
diff --git a/drivers/staging/vt6655/dpc.h b/drivers/staging/vt6655/dpc.h
index 0860ea52969..4129c11e011 100644
--- a/drivers/staging/vt6655/dpc.h
+++ b/drivers/staging/vt6655/dpc.h
@@ -47,7 +47,7 @@ device_receive_frame (
     IN  PSRxDesc pCurrRD
     );
 
-void	MngWorkItem(PVOID Context);
+void	MngWorkItem(void *Context);
 
 #endif // __RXTX_H__
 
diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c
index efff7db8aaf..b40c400a23c 100644
--- a/drivers/staging/vt6655/key.c
+++ b/drivers/staging/vt6655/key.c
@@ -104,10 +104,10 @@ void KeyvInitTable (PSKeyManagement pTable, DWORD_PTR dwIoBase)
     for (i=0;i<MAX_KEY_TABLE;i++) {
         pTable->KeyTable[i].bInUse = FALSE;
         pTable->KeyTable[i].PairwiseKey.bKeyValid = FALSE;
-        pTable->KeyTable[i].PairwiseKey.pvKeyTable = (PVOID)&pTable->KeyTable[i];
+        pTable->KeyTable[i].PairwiseKey.pvKeyTable = (void *)&pTable->KeyTable[i];
         for (jj=0; jj < MAX_GROUP_KEY; jj++) {
             pTable->KeyTable[i].GroupKey[jj].bKeyValid = FALSE;
-            pTable->KeyTable[i].GroupKey[jj].pvKeyTable = (PVOID)&pTable->KeyTable[i];
+            pTable->KeyTable[i].GroupKey[jj].pvKeyTable = (void *)&pTable->KeyTable[i];
         }
         pTable->KeyTable[i].wKeyCtl = 0;
         pTable->KeyTable[i].dwGTKeyIndex = 0;
diff --git a/drivers/staging/vt6655/key.h b/drivers/staging/vt6655/key.h
index 766ff049553..4cbd82f76e4 100644
--- a/drivers/staging/vt6655/key.h
+++ b/drivers/staging/vt6655/key.h
@@ -66,7 +66,7 @@ typedef struct tagSKeyItem
     BYTE        byCipherSuite;
     BYTE        byReserved0;
     DWORD       dwKeyIndex;
-    PVOID       pvKeyTable;
+    void *pvKeyTable;
 } SKeyItem, *PSKeyItem; //64
 
 typedef struct tagSKeyTable
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index effefdb77b6..8d1772e70ab 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -133,7 +133,7 @@ void
 s_vFillRTSHead(
     IN PSDevice         pDevice,
     IN BYTE             byPktType,
-    IN PVOID            pvRTS,
+    IN void *           pvRTS,
     IN UINT             cbFrameLength,
     IN BOOL             bNeedAck,
     IN BOOL             bDisCRC,
@@ -147,10 +147,10 @@ void
 s_vGenerateTxParameter(
     IN PSDevice         pDevice,
     IN  BYTE            byPktType,
-    IN PVOID            pTxBufHead,
-    IN PVOID            pvRrvTime,
-    IN PVOID            pvRTS,
-    IN PVOID            pvCTS,
+    IN void *           pTxBufHead,
+    IN void *           pvRrvTime,
+    IN void *           pvRTS,
+    IN void *           pvCTS,
     IN UINT             cbFrameSize,
     IN BOOL             bNeedACK,
     IN UINT             uDMAIdx,
@@ -164,7 +164,7 @@ static void s_vFillFragParameter(
     IN PSDevice pDevice,
     IN PBYTE    pbyBuffer,
     IN UINT     uTxType,
-    IN PVOID    pvtdCurr,
+    IN void *   pvtdCurr,
     IN WORD     wFragType,
     IN UINT     cbReqCount
     );
@@ -193,7 +193,7 @@ UINT
 s_uFillDataHead (
     IN PSDevice pDevice,
     IN BYTE     byPktType,
-    IN PVOID    pTxDataHead,
+    IN void *   pTxDataHead,
     IN UINT     cbFrameLength,
     IN UINT     uDMAIdx,
     IN BOOL     bNeedAck,
@@ -723,7 +723,7 @@ UINT
 s_uFillDataHead (
     IN PSDevice pDevice,
     IN BYTE     byPktType,
-    IN PVOID    pTxDataHead,
+    IN void *   pTxDataHead,
     IN UINT     cbFrameLength,
     IN UINT     uDMAIdx,
     IN BOOL     bNeedAck,
@@ -855,7 +855,7 @@ void
 s_vFillRTSHead (
     IN PSDevice         pDevice,
     IN BYTE             byPktType,
-    IN PVOID            pvRTS,
+    IN void *           pvRTS,
     IN UINT             cbFrameLength,
     IN BOOL             bNeedAck,
     IN BOOL             bDisCRC,
@@ -1050,7 +1050,7 @@ s_vFillCTSHead (
     IN PSDevice pDevice,
     IN UINT     uDMAIdx,
     IN BYTE     byPktType,
-    IN PVOID    pvCTS,
+    IN void *   pvCTS,
     IN UINT     cbFrameLength,
     IN BOOL     bNeedAck,
     IN BOOL     bDisCRC,
@@ -1154,10 +1154,10 @@ void
 s_vGenerateTxParameter (
     IN PSDevice         pDevice,
     IN BYTE             byPktType,
-    IN PVOID            pTxBufHead,
-    IN PVOID            pvRrvTime,
-    IN PVOID            pvRTS,
-    IN PVOID            pvCTS,
+    IN void *           pTxBufHead,
+    IN void *           pvRrvTime,
+    IN void *           pvRTS,
+    IN void *           pvCTS,
     IN UINT             cbFrameSize,
     IN BOOL             bNeedACK,
     IN UINT             uDMAIdx,
@@ -1273,7 +1273,7 @@ s_vFillFragParameter(
     IN PSDevice pDevice,
     IN PBYTE    pbyBuffer,
     IN UINT     uTxType,
-    IN PVOID    pvtdCurr,
+    IN void *   pvtdCurr,
     IN WORD     wFragType,
     IN UINT     cbReqCount
     )
@@ -1376,11 +1376,11 @@ s_cbFillTxBufHead (
     PSTxBufHead    psTxBufHd = (PSTxBufHead) pbyTxBufferAddr;
 //    UINT           tmpDescIdx;
     UINT           cbHeaderLength = 0;
-    PVOID          pvRrvTime;
+    void *         pvRrvTime;
     PSMICHDRHead   pMICHDR;
-    PVOID          pvRTS;
-    PVOID          pvCTS;
-    PVOID          pvTxDataHd;
+    void *         pvRTS;
+    void *         pvCTS;
+    void *         pvTxDataHd;
     WORD           wTxBufSize;   // FFinfo size
     UINT           uTotalCopyLength = 0;
     BYTE           byFBOption = AUTO_FB_NONE;
@@ -1544,7 +1544,7 @@ s_cbFillTxBufHead (
             }
         } // Auto Fall Back
     }
-    memset((PVOID)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderLength - wTxBufSize));
+    memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderLength - wTxBufSize));
 
 //////////////////////////////////////////////////////////////////
     if ((bNeedEncrypt == TRUE) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) {
@@ -1600,7 +1600,7 @@ s_cbFillTxBufHead (
 
 
                 //Fill FIFO,RrvTime,RTS,and CTS
-                s_vGenerateTxParameter(pDevice, byPktType, (PVOID)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
+                s_vGenerateTxParameter(pDevice, byPktType, (void *)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
                                        cbFragmentSize, bNeedACK, uDMAIdx, psEthHeader, pDevice->wCurrentRate);
                 //Fill DataHead
                 uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFragmentSize, uDMAIdx, bNeedACK,
@@ -1643,7 +1643,7 @@ s_cbFillTxBufHead (
                 //if (pDevice->bAES) {
                 //    s_vFillMICHDR(pDevice, (PBYTE)pMICHDR, pbyMacHdr, (WORD)cbFragPayloadSize);
                 //}
-                //cbReqCount += s_uDoEncryption(pDevice, psEthHeader, (PVOID)psTxBufHd, byKeySel,
+                //cbReqCount += s_uDoEncryption(pDevice, psEthHeader, (void *)psTxBufHd, byKeySel,
                 //                                pbyPayloadHead, (WORD)cbFragPayloadSize, uDMAIdx);
 
 
@@ -1653,7 +1653,7 @@ s_cbFillTxBufHead (
 
                 uLength = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen + cb802_1_H_len;
                 //copy TxBufferHeader + MacHeader to desc
-                memcpy(pbyBuffer, (PVOID)psTxBufHd, uLength);
+                memcpy(pbyBuffer, (void *)psTxBufHd, uLength);
 
                 // Copy the Packet into a tx Buffer
                 memcpy((pbyBuffer + uLength), (pPacket + 14), (cbFragPayloadSize - cb802_1_H_len));
@@ -1685,7 +1685,7 @@ s_cbFillTxBufHead (
                 //4.Set Sequence Control
                 //5.Get S/W generate FCS
                 //--------------------
-                s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (PVOID)ptdCurr, wFragType, cbReqCount);
+                s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (void *)ptdCurr, wFragType, cbReqCount);
 
                 ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
                 ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
@@ -1704,7 +1704,7 @@ s_cbFillTxBufHead (
                 wFragType = FRAGCTL_ENDFRAG;
 
                 //Fill FIFO,RrvTime,RTS,and CTS
-                s_vGenerateTxParameter(pDevice, byPktType, (PVOID)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
+                s_vGenerateTxParameter(pDevice, byPktType, (void *)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
                                        cbLastFragmentSize, bNeedACK, uDMAIdx, psEthHeader, pDevice->wCurrentRate);
                 //Fill DataHead
                 uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbLastFragmentSize, uDMAIdx, bNeedACK,
@@ -1740,7 +1740,7 @@ s_cbFillTxBufHead (
                 uLength = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen;
 
                 //copy TxBufferHeader + MacHeader to desc
-                memcpy(pbyBuffer, (PVOID)psTxBufHd, uLength);
+                memcpy(pbyBuffer, (void *)psTxBufHd, uLength);
 
                 // Copy the Packet into a tx Buffer
                 if (bMIC2Frag == FALSE) {
@@ -1814,7 +1814,7 @@ s_cbFillTxBufHead (
                 //--------------------
 
 
-                s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (PVOID)ptdCurr, wFragType, cbReqCount);
+                s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (void *)ptdCurr, wFragType, cbReqCount);
 
                 ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
                 ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
@@ -1834,7 +1834,7 @@ s_cbFillTxBufHead (
                 wFragType = FRAGCTL_MIDFRAG;
 
                 //Fill FIFO,RrvTime,RTS,and CTS
-                s_vGenerateTxParameter(pDevice, byPktType, (PVOID)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
+                s_vGenerateTxParameter(pDevice, byPktType, (void *)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
                                        cbFragmentSize, bNeedACK, uDMAIdx, psEthHeader, pDevice->wCurrentRate);
                 //Fill DataHead
                 uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFragmentSize, uDMAIdx, bNeedACK,
@@ -1864,7 +1864,7 @@ s_cbFillTxBufHead (
                 //if (pDevice->bAES) {
                 //    s_vFillMICHDR(pDevice, (PBYTE)pMICHDR, pbyMacHdr, (WORD)cbFragPayloadSize);
                 //}
-                //cbReqCount += s_uDoEncryption(pDevice, psEthHeader, (PVOID)psTxBufHd, byKeySel,
+                //cbReqCount += s_uDoEncryption(pDevice, psEthHeader, (void *)psTxBufHd, byKeySel,
                 //                              pbyPayloadHead, (WORD)cbFragPayloadSize, uDMAIdx);
 
 
@@ -1875,7 +1875,7 @@ s_cbFillTxBufHead (
                 uLength = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen;
 
                 //copy TxBufferHeader + MacHeader to desc
-                memcpy(pbyBuffer, (PVOID)psTxBufHd, uLength);
+                memcpy(pbyBuffer, (void *)psTxBufHd, uLength);
 
                 // Copy the Packet into a tx Buffer
                 memcpy((pbyBuffer + uLength),
@@ -1941,7 +1941,7 @@ s_cbFillTxBufHead (
                 //5.Get S/W generate FCS
                 //--------------------
 
-                s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (PVOID)ptdCurr, wFragType, cbReqCount);
+                s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (void *)ptdCurr, wFragType, cbReqCount);
 
                 ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
                 ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
@@ -1964,7 +1964,7 @@ s_cbFillTxBufHead (
         psTxBufHd->wFragCtl |= (WORD)wFragType;
 
         //Fill FIFO,RrvTime,RTS,and CTS
-        s_vGenerateTxParameter(pDevice, byPktType, (PVOID)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
+        s_vGenerateTxParameter(pDevice, byPktType, (void *)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
                                cbFrameSize, bNeedACK, uDMAIdx, psEthHeader, pDevice->wCurrentRate);
         //Fill DataHead
         uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK,
@@ -2015,7 +2015,7 @@ s_cbFillTxBufHead (
         uLength = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen + cb802_1_H_len;
 
         //copy TxBufferHeader + MacHeader to desc
-        memcpy(pbyBuffer, (PVOID)psTxBufHd, uLength);
+        memcpy(pbyBuffer, (void *)psTxBufHd, uLength);
 
         // Copy the Packet into a tx Buffer
         memcpy((pbyBuffer + uLength),
@@ -2342,9 +2342,9 @@ CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket) {
     PSTxDesc        pFrstTD;
     BYTE            byPktType;
     PBYTE           pbyTxBufferAddr;
-    PVOID           pvRTS;
+    void *          pvRTS;
     PSCTS           pCTS;
-    PVOID           pvTxDataHd;
+    void *          pvTxDataHd;
     UINT            uDuration;
     UINT            cbReqCount;
     PS802_11Header  pMACHeader;
@@ -2362,8 +2362,8 @@ CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket) {
     WORD            wTxBufSize;
     UINT            cbMacHdLen;
     SEthernetHeader sEthHeader;
-    PVOID           pvRrvTime;
-    PVOID           pMICHDR;
+    void *          pvRrvTime;
+    void *          pMICHDR;
     PSMgmtObject    pMgmt = pDevice->pMgmt;
     WORD            wCurrentRate = RATE_1M;
 
@@ -2516,7 +2516,7 @@ CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket) {
         cbHeaderSize = wTxBufSize + sizeof(SRrvTime_ab) + sizeof(STxDataHead_ab);
     }
 
-    memset((PVOID)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
+    memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
 
     memcpy(&(sEthHeader.abyDstAddr[0]), &(pPacket->p80211Header->sA3.abyAddr1[0]), U_ETHER_ADDR_LEN);
     memcpy(&(sEthHeader.abySrcAddr[0]), &(pPacket->p80211Header->sA3.abyAddr2[0]), U_ETHER_ADDR_LEN);
@@ -2831,9 +2831,9 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb, PBYTE pbMPDU, UINT cbMPDU
     PSTxDesc        pFrstTD;
     BYTE            byPktType;
     PBYTE           pbyTxBufferAddr;
-    PVOID           pvRTS;
-    PVOID           pvCTS;
-    PVOID           pvTxDataHd;
+    void *          pvRTS;
+    void *          pvCTS;
+    void *          pvTxDataHd;
     UINT            uDuration;
     UINT            cbReqCount;
     PS802_11Header  pMACHeader;
@@ -2857,8 +2857,8 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb, PBYTE pbMPDU, UINT cbMPDU
     WORD            wTxBufSize;
     UINT            cbMacHdLen;
     SEthernetHeader sEthHeader;
-    PVOID           pvRrvTime;
-    PVOID           pMICHDR;
+    void *          pvRrvTime;
+    void *          pMICHDR;
     PSMgmtObject    pMgmt = pDevice->pMgmt;
     WORD            wCurrentRate = RATE_1M;
     PUWLAN_80211HDR  p80211Header;
@@ -3061,7 +3061,7 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb, PBYTE pbMPDU, UINT cbMPDU
 
     }
 
-    memset((PVOID)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
+    memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
     memcpy(&(sEthHeader.abyDstAddr[0]), &(p80211Header->sA3.abyAddr1[0]), U_ETHER_ADDR_LEN);
     memcpy(&(sEthHeader.abySrcAddr[0]), &(p80211Header->sA3.abyAddr2[0]), U_ETHER_ADDR_LEN);
     //=========================
diff --git a/drivers/staging/vt6655/ttype.h b/drivers/staging/vt6655/ttype.h
index 24d0eca9420..b71fe591005 100644
--- a/drivers/staging/vt6655/ttype.h
+++ b/drivers/staging/vt6655/ttype.h
@@ -132,13 +132,6 @@ typedef DWORD *          PDWORD;
 
 typedef QWORD *          PQWORD;
 
-typedef void *           PVOID;
-
-// handle declaration
-#ifdef STRICT
 typedef void *HANDLE;
-#else
-typedef PVOID HANDLE;
-#endif
 
 #endif // __TTYPE_H__
diff --git a/drivers/staging/vt6655/vntwifi.c b/drivers/staging/vt6655/vntwifi.c
index cbfa8e80dd6..03975dabb8d 100644
--- a/drivers/staging/vt6655/vntwifi.c
+++ b/drivers/staging/vt6655/vntwifi.c
@@ -71,7 +71,7 @@
 -*/
 void
 VNTWIFIvSetOPMode (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN WMAC_CONFIG_MODE eOPMode
     )
 {
@@ -100,7 +100,7 @@ VNTWIFIvSetOPMode (
 -*/
 void
 VNTWIFIvSetIBSSParameter (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN WORD  wBeaconPeriod,
     IN WORD  wATIMWindow,
     IN UINT  uChannel
@@ -129,7 +129,7 @@ VNTWIFIvSetIBSSParameter (
 -*/
 PWLAN_IE_SSID
 VNTWIFIpGetCurrentSSID (
-    IN PVOID pMgmtHandle
+    IN void *pMgmtHandle
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -152,7 +152,7 @@ VNTWIFIpGetCurrentSSID (
 -*/
 UINT
 VNTWIFIpGetCurrentChannel (
-    IN PVOID pMgmtHandle
+    IN void *pMgmtHandle
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -178,7 +178,7 @@ VNTWIFIpGetCurrentChannel (
 -*/
 WORD
 VNTWIFIwGetAssocID (
-    IN PVOID pMgmtHandle
+    IN void *pMgmtHandle
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -308,7 +308,7 @@ VNTWIFIbyGetACKTxRate (
 -*/
 void
 VNTWIFIvSetAuthenticationMode (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN WMAC_AUTHENTICATION_MODE eAuthMode
     )
 {
@@ -340,7 +340,7 @@ VNTWIFIvSetAuthenticationMode (
 -*/
 void
 VNTWIFIvSetEncryptionMode (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN WMAC_ENCRYPTION_MODE eEncryptionMode
     )
 {
@@ -360,7 +360,7 @@ VNTWIFIvSetEncryptionMode (
 
 BOOL
 VNTWIFIbConfigPhyMode (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN CARD_PHY_TYPE ePhyType
     )
 {
@@ -381,8 +381,8 @@ VNTWIFIbConfigPhyMode (
 
 void
 VNTWIFIbGetConfigPhyMode (
-    IN  PVOID pMgmtHandle,
-    OUT PVOID pePhyType
+    IN  void *pMgmtHandle,
+    OUT void *pePhyType
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -426,9 +426,9 @@ VNTWIFIbGetConfigPhyMode (
 
 void
 VNTWIFIvQueryBSSList (
-    IN PVOID    pMgmtHandle,
+    IN void *pMgmtHandle,
     OUT PUINT   puBSSCount,
-    OUT PVOID   *pvFirstBSS
+    OUT void **pvFirstBSS
     )
 {
     UINT            ii = 0;
@@ -456,9 +456,9 @@ VNTWIFIvQueryBSSList (
 
 void
 VNTWIFIvGetNextBSS (
-    IN PVOID            pMgmtHandle,
-    IN PVOID            pvCurrentBSS,
-    OUT PVOID           *pvNextBSS
+    IN void *pMgmtHandle,
+    IN void *pvCurrentBSS,
+    OUT void **pvNextBSS
     )
 {
     PKnownBSS       pBSS = (PKnownBSS) pvCurrentBSS;
@@ -496,7 +496,7 @@ VNTWIFIvGetNextBSS (
 -*/
 void
 VNTWIFIvUpdateNodeTxCounter(
-    IN PVOID    pMgmtHandle,
+    IN void *pMgmtHandle,
     IN PBYTE    pbyDestAddress,
     IN BOOL     bTxOk,
     IN WORD     wRate,
@@ -531,7 +531,7 @@ VNTWIFIvUpdateNodeTxCounter(
 
 void
 VNTWIFIvGetTxRate(
-    IN PVOID    pMgmtHandle,
+    IN void *pMgmtHandle,
     IN PBYTE    pbyDestAddress,
     OUT PWORD   pwTxDataRate,
     OUT PBYTE   pbyACKRate,
@@ -603,7 +603,7 @@ VNTWIFIvGetTxRate(
 
 BYTE
 VNTWIFIbyGetKeyCypher(
-    IN PVOID    pMgmtHandle,
+    IN void *pMgmtHandle,
     IN BOOL     bGroupKey
     )
 {
@@ -620,8 +620,8 @@ VNTWIFIbyGetKeyCypher(
 /*
 BOOL
 VNTWIFIbInit(
-    IN PVOID    pAdapterHandler,
-    OUT PVOID   *pMgmtHandler
+    IN void *pAdapterHandler,
+    OUT void **pMgmtHandler
     )
 {
 
@@ -636,7 +636,7 @@ VNTWIFIbInit(
     }
 
     memset(pMgmt, 0, sizeof(SMgmtObject));
-    pMgmt->pAdapter = (PVOID) pAdapterHandler;
+    pMgmt->pAdapter = (void *) pAdapterHandler;
 
     // should initial MAC address abyMACAddr
     for(ii=0;ii<WLAN_BSSID_LEN;ii++) {
@@ -664,9 +664,9 @@ VNTWIFIbInit(
 
 BOOL
 VNTWIFIbSetPMKIDCache (
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN ULONG ulCount,
-    IN PVOID pPMKIDInfo
+    IN void *pPMKIDInfo
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
@@ -683,7 +683,7 @@ VNTWIFIbSetPMKIDCache (
 
 WORD
 VNTWIFIwGetMaxSupportRate(
-    IN PVOID pMgmtObject
+    IN void *pMgmtObject
     )
 {
     WORD wRate = RATE_54M;
@@ -704,7 +704,7 @@ VNTWIFIwGetMaxSupportRate(
 
 void
 VNTWIFIvSet11h (
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN BOOL  b11hEnable
     )
 {
@@ -715,9 +715,9 @@ VNTWIFIvSet11h (
 
 BOOL
 VNTWIFIbMeasureReport(
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN BOOL  bEndOfReport,
-    IN PVOID pvMeasureEID,
+    IN void *pvMeasureEID,
     IN BYTE  byReportMode,
     IN BYTE  byBasicMap,
     IN BYTE  byCCAFraction,
@@ -775,7 +775,7 @@ VNTWIFIbMeasureReport(
 
 BOOL
 VNTWIFIbChannelSwitch(
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN BYTE  byNewChannel
     )
 {
@@ -791,7 +791,7 @@ VNTWIFIbChannelSwitch(
 /*
 BOOL
 VNTWIFIbRadarPresent(
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN BYTE  byChannel
     )
 {
diff --git a/drivers/staging/vt6655/vntwifi.h b/drivers/staging/vt6655/vntwifi.h
index 4c560a8a099..666684af5cd 100644
--- a/drivers/staging/vt6655/vntwifi.h
+++ b/drivers/staging/vt6655/vntwifi.h
@@ -142,7 +142,7 @@ typedef enum tagWMAC_POWER_MODE {
 
 void
 VNTWIFIvSetIBSSParameter (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN WORD  wBeaconPeriod,
     IN WORD  wATIMWindow,
     IN UINT  uChannel
@@ -150,23 +150,23 @@ VNTWIFIvSetIBSSParameter (
 
 void
 VNTWIFIvSetOPMode (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN WMAC_CONFIG_MODE eOPMode
     );
 
 PWLAN_IE_SSID
 VNTWIFIpGetCurrentSSID(
-    IN PVOID pMgmtHandle
+    IN void *pMgmtHandle
     );
 
 UINT
 VNTWIFIpGetCurrentChannel(
-    IN PVOID pMgmtHandle
+    IN void *pMgmtHandle
     );
 
 WORD
 VNTWIFIwGetAssocID (
-    IN PVOID pMgmtHandle
+    IN void *pMgmtHandle
     );
 
 BYTE
@@ -184,34 +184,34 @@ VNTWIFIbyGetACKTxRate (
 
 void
 VNTWIFIvSetAuthenticationMode (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN WMAC_AUTHENTICATION_MODE eAuthMode
     );
 
 void
 VNTWIFIvSetEncryptionMode (
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN WMAC_ENCRYPTION_MODE eEncryptionMode
     );
 
 
 BOOL
 VNTWIFIbConfigPhyMode(
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     IN CARD_PHY_TYPE ePhyType
     );
 
 void
 VNTWIFIbGetConfigPhyMode(
-    IN  PVOID pMgmtHandle,
-    OUT PVOID pePhyType
+    IN  void *pMgmtHandle,
+    OUT void *pePhyType
     );
 
 void
 VNTWIFIvQueryBSSList(
-    IN PVOID    pMgmtHandle,
+    IN void *pMgmtHandle,
     OUT PUINT   puBSSCount,
-    OUT PVOID   *pvFirstBSS
+    OUT void **pvFirstBSS
     );
 
 
@@ -219,16 +219,16 @@ VNTWIFIvQueryBSSList(
 
 void
 VNTWIFIvGetNextBSS (
-    IN PVOID            pMgmtHandle,
-    IN PVOID            pvCurrentBSS,
-    OUT PVOID           *pvNextBSS
+    IN void *pMgmtHandle,
+    IN void *pvCurrentBSS,
+    OUT void **pvNextBSS
     );
 
 
 
 void
 VNTWIFIvUpdateNodeTxCounter(
-    IN PVOID    pMgmtHandle,
+    IN void *pMgmtHandle,
     IN PBYTE    pbyDestAddress,
     IN BOOL     bTxOk,
     IN WORD     wRate,
@@ -238,7 +238,7 @@ VNTWIFIvUpdateNodeTxCounter(
 
 void
 VNTWIFIvGetTxRate(
-    IN PVOID    pMgmtHandle,
+    IN void *pMgmtHandle,
     IN PBYTE    pbyDestAddress,
     OUT PWORD   pwTxDataRate,
     OUT PBYTE   pbyACKRate,
@@ -248,14 +248,14 @@ VNTWIFIvGetTxRate(
 /*
 BOOL
 VNTWIFIbInit(
-    IN PVOID    pAdapterHandler,
-    OUT PVOID   *pMgmtHandler
+    IN void *pAdapterHandler,
+    OUT void **pMgmtHandler
     );
 */
 
 BYTE
 VNTWIFIbyGetKeyCypher(
-    IN PVOID    pMgmtHandle,
+    IN void *pMgmtHandle,
     IN BOOL     bGroupKey
     );
 
@@ -264,33 +264,33 @@ VNTWIFIbyGetKeyCypher(
 
 BOOL
 VNTWIFIbSetPMKIDCache (
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN ULONG ulCount,
-    IN PVOID pPMKIDInfo
+    IN void *pPMKIDInfo
     );
 
 BOOL
 VNTWIFIbCommandRunning (
-    IN PVOID pMgmtObject
+    IN void *pMgmtObject
     );
 
 WORD
 VNTWIFIwGetMaxSupportRate(
-    IN PVOID pMgmtObject
+    IN void *pMgmtObject
     );
 
 // for 802.11h
 void
 VNTWIFIvSet11h (
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN BOOL  b11hEnable
     );
 
 BOOL
 VNTWIFIbMeasureReport(
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN BOOL  bEndOfReport,
-    IN PVOID pvMeasureEID,
+    IN void *pvMeasureEID,
     IN BYTE  byReportMode,
     IN BYTE  byBasicMap,
     IN BYTE  byCCAFraction,
@@ -299,13 +299,13 @@ VNTWIFIbMeasureReport(
 
 BOOL
 VNTWIFIbChannelSwitch(
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN BYTE  byNewChannel
     );
 /*
 BOOL
 VNTWIFIbRadarPresent(
-    IN PVOID pMgmtObject,
+    IN void *pMgmtObject,
     IN BYTE  byChannel
     );
 */
diff --git a/drivers/staging/vt6655/wmgr.c b/drivers/staging/vt6655/wmgr.c
index 64930910fca..ed5342ba261 100644
--- a/drivers/staging/vt6655/wmgr.c
+++ b/drivers/staging/vt6655/wmgr.c
@@ -736,7 +736,7 @@ s_vMgrRxAssocRequest(
         }
 
 
-        RATEvParseMaxRate((PVOID)pDevice,
+        RATEvParseMaxRate((void *)pDevice,
                            (PWLAN_IE_SUPP_RATES)abyCurrSuppRates,
                            (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRates,
                            FALSE, // do not change our basic rate
@@ -895,7 +895,7 @@ s_vMgrRxReAssocRequest(
         }
 
 
-        RATEvParseMaxRate((PVOID)pDevice,
+        RATEvParseMaxRate((void *)pDevice,
                           (PWLAN_IE_SUPP_RATES)abyCurrSuppRates,
                           (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRates,
                            FALSE, // do not change our basic rate
@@ -2091,7 +2091,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
             pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pBSSList->abyExtSuppRates,
                                                     (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                                                     uRateLen);
-            RATEvParseMaxRate( (PVOID)pDevice,
+            RATEvParseMaxRate( (void *)pDevice,
                                (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
                                TRUE,
@@ -2256,7 +2256,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates,
                                                         (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                                         WLAN_RATES_MAXLEN_11B);
-                RATEvParseMaxRate( (PVOID)pDevice,
+                RATEvParseMaxRate( (void *)pDevice,
                                    (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                    NULL,
                                    TRUE,
@@ -2277,7 +2277,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates,
                                                         (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                                         WLAN_RATES_MAXLEN_11B);
-                RATEvParseMaxRate( (PVOID)pDevice,
+                RATEvParseMaxRate( (void *)pDevice,
                                    (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                    NULL,
                                    TRUE,
@@ -2485,7 +2485,7 @@ vMgrCreateOwnIBSS(
 
     // set basic rate
 
-    RATEvParseMaxRate((PVOID)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
+    RATEvParseMaxRate((void *)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, TRUE,
                       &wMaxBasicRate, &wMaxSuppRate, &wSuppRate,
                       &byTopCCKBasicRate, &byTopOFDMBasicRate);
@@ -2781,7 +2781,7 @@ vMgrJoinBSSBegin(
                 }
             }
 
-            RATEvParseMaxRate((PVOID)pDevice, pItemRates, pItemExtRates, TRUE,
+            RATEvParseMaxRate((void *)pDevice, pItemRates, pItemExtRates, TRUE,
                               &wMaxBasicRate, &wMaxSuppRate, &wSuppRate,
                               &byTopCCKBasicRate, &byTopOFDMBasicRate);
 
@@ -2867,7 +2867,7 @@ vMgrJoinBSSBegin(
                                                     (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                                                     WLAN_RATES_MAXLEN_11B);
             // set basic rate
-            RATEvParseMaxRate((PVOID)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
+            RATEvParseMaxRate((void *)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
                               NULL, TRUE, &wMaxBasicRate, &wMaxSuppRate, &wSuppRate,
                               &byTopCCKBasicRate, &byTopOFDMBasicRate);
 
@@ -2967,7 +2967,7 @@ s_vMgrSynchBSS (
     pDevice->byPreambleType = 0;
     pDevice->wBasicRate = 0;
     // Set Basic Rate
-    CARDbAddBasicRate((PVOID)pDevice, RATE_1M);
+    CARDbAddBasicRate((void *)pDevice, RATE_1M);
     // calculate TSF offset
     // TSF Offset = Received Timestamp TSF - Marked Local's TSF
     CARDbUpdateTSF(pDevice, pCurr->byRxRate, pCurr->qwBSSTimestamp, pCurr->qwLocalTSF);
diff --git a/drivers/staging/vt6655/wmgr.h b/drivers/staging/vt6655/wmgr.h
index 5963b146ee2..5eabc199c02 100644
--- a/drivers/staging/vt6655/wmgr.h
+++ b/drivers/staging/vt6655/wmgr.h
@@ -249,7 +249,7 @@ typedef struct tagSRxMgmtPacket {
 typedef struct tagSMgmtObject
 {
 
-    PVOID                   pAdapter;
+    void *                   pAdapter;
     // MAC address
     BYTE                    abyMACAddr[WLAN_ADDR_LEN];
 
diff --git a/drivers/staging/vt6655/wpa2.c b/drivers/staging/vt6655/wpa2.c
index 183d28c29a5..3f377b6a2ba 100644
--- a/drivers/staging/vt6655/wpa2.c
+++ b/drivers/staging/vt6655/wpa2.c
@@ -263,7 +263,7 @@ WPA2vParseRSN (
 -*/
 UINT
 WPA2uSetIEs(
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     OUT PWLAN_IE_RSN pRSNIEs
     )
 {
diff --git a/drivers/staging/vt6655/wpa2.h b/drivers/staging/vt6655/wpa2.h
index cbd75d0d2bb..7becc749c9f 100644
--- a/drivers/staging/vt6655/wpa2.h
+++ b/drivers/staging/vt6655/wpa2.h
@@ -71,7 +71,7 @@ WPA2vParseRSN (
 
 UINT
 WPA2uSetIEs(
-    IN PVOID pMgmtHandle,
+    IN void *pMgmtHandle,
     OUT PWLAN_IE_RSN pRSNIEs
     );
 

From 9bf10920a094d71cec1076d3fa941aa6f31b09eb Mon Sep 17 00:00:00 2001
From: Lars Lindley <lindley@coyote.org>
Date: Sat, 8 May 2010 14:53:54 +0200
Subject: [PATCH 1333/3638] staging: winbond: localpara.h whitespace and
 indentation fixes.

I fixed all problems found by checkpatch.pl except a number of long
lines that I didn't find a good way to break up and still keep it
readable. I added the () to #define MAX_IE_APPEND_SIZE	(256 + 4).
I also moved som comments around after pointers from Pekka.

Signed-off-by: Lars Lindley <lindley@coyote.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/localpara.h | 388 ++++++++++++++--------------
 1 file changed, 196 insertions(+), 192 deletions(-)

diff --git a/drivers/staging/winbond/localpara.h b/drivers/staging/winbond/localpara.h
index fcf6a0442dc..d7980575bed 100644
--- a/drivers/staging/winbond/localpara.h
+++ b/drivers/staging/winbond/localpara.h
@@ -1,263 +1,267 @@
 #ifndef __WINBOND_LOCALPARA_H
 #define __WINBOND_LOCALPARA_H
 
-//=============================================================
-// LocalPara.h -
-//=============================================================
+/*
+ * =============================================================
+ * LocalPara.h -
+ * =============================================================
+ */
 
 #include "mac_structures.h"
 
-//Define the local ability
+/* Define the local ability */
 
-#define LOCAL_DEFAULT_BEACON_PERIOD			100		//ms
-#define LOCAL_DEFAULT_ATIM_WINDOW			0
-#define LOCAL_DEFAULT_ERP_CAPABILITY		0x0431	//0x0001:	ESS
-													//0x0010:	Privacy
-													//0x0020:	short preamble
-													//0x0400:	short slot time
-#define LOCAL_DEFAULT_LISTEN_INTERVAL		5
+#define LOCAL_DEFAULT_BEACON_PERIOD	100	/* ms */
+#define LOCAL_DEFAULT_ATIM_WINDOW	0
+#define LOCAL_DEFAULT_ERP_CAPABILITY	0x0431	/*
+						 * 0x0001: ESS
+						 * 0x0010: Privacy
+						 * 0x0020: short preamble
+						 * 0x0400: short slot time
+						 */
+#define LOCAL_DEFAULT_LISTEN_INTERVAL	5
 
-//#define LOCAL_DEFAULT_24_CHANNEL_NUM		11		// channel 1..11
-#define LOCAL_DEFAULT_24_CHANNEL_NUM		13		// channel 1..13
-#define LOCAL_DEFAULT_5_CHANNEL_NUM			8		// channel 36..64
+#define LOCAL_DEFAULT_24_CHANNEL_NUM	13	/* channel 1..13 */
+#define LOCAL_DEFAULT_5_CHANNEL_NUM	8	/* channel 36..64 */
 
-#define LOCAL_USA_24_CHANNEL_NUM			11
-#define LOCAL_USA_5_CHANNEL_NUM				12
-#define LOCAL_EUROPE_24_CHANNEL_NUM			13
-#define LOCAL_EUROPE_5_CHANNEL_NUM			19
-#define LOCAL_JAPAN_24_CHANNEL_NUM			14
-#define LOCAL_JAPAN_5_CHANNEL_NUM			11
-#define LOCAL_UNKNOWN_24_CHANNEL_NUM		14
-#define LOCAL_UNKNOWN_5_CHANNEL_NUM			34	//not include 165
+#define LOCAL_USA_24_CHANNEL_NUM	11
+#define LOCAL_USA_5_CHANNEL_NUM		12
+#define LOCAL_EUROPE_24_CHANNEL_NUM	13
+#define LOCAL_EUROPE_5_CHANNEL_NUM	19
+#define LOCAL_JAPAN_24_CHANNEL_NUM	14
+#define LOCAL_JAPAN_5_CHANNEL_NUM	11
+#define LOCAL_UNKNOWN_24_CHANNEL_NUM	14
+#define LOCAL_UNKNOWN_5_CHANNEL_NUM	34	/* not include 165 */
 
-
-#define psLOCAL			(&(adapter->sLocalPara))
+#define psLOCAL				(&(adapter->sLocalPara))
 
 #define MODE_802_11_BG			0
 #define MODE_802_11_A			1
 #define MODE_802_11_ABG			2
 #define MODE_802_11_BG_IBSS		3
 #define MODE_802_11_B			4
-#define MODE_AUTO				255
+#define MODE_AUTO			255
 
 #define BAND_TYPE_DSSS			0
 #define BAND_TYPE_OFDM_24		1
 #define BAND_TYPE_OFDM_5		2
 
-//refer Bitmap2RateValue table
-#define LOCAL_ALL_SUPPORTED_RATES_BITMAP		0x130c1a66	//the bitmap value of all the H/W supported rates
-															//1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54
-#define LOCAL_OFDM_SUPPORTED_RATES_BITMAP		0x130c1240	//the bitmap value of all the H/W supported rates
-															//except to non-OFDM rates
-															//6, 9, 12, 18, 24, 36, 48, 54
+/* refer Bitmap2RateValue table */
 
-#define LOCAL_11B_SUPPORTED_RATE_BITMAP			0x826
-#define LOCAL_11B_BASIC_RATE_BITMAP				0x826
-#define LOCAL_11B_OPERATION_RATE_BITMAP			0x826
-#define LOCAL_11G_BASIC_RATE_BITMAP				0x826		//1, 2, 5.5, 11
-#define LOCAL_11G_OPERATION_RATE_BITMAP			0x130c1240	//6, 9, 12, 18, 24, 36, 48, 54
-#define LOCAL_11A_BASIC_RATE_BITMAP				0x01001040	//6, 12, 24
-#define LOCAL_11A_OPERATION_RATE_BITMAP			0x120c0200	//9, 18, 36, 48, 54
+/* the bitmap value of all the H/W supported rates: */
+/* 1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54 */
+#define LOCAL_ALL_SUPPORTED_RATES_BITMAP	0x130c1a66
+/* the bitmap value of all the H/W supported rates except to non-OFDM rates: */
+/* 6, 9, 12, 18, 24, 36, 48, 54 */
+#define LOCAL_OFDM_SUPPORTED_RATES_BITMAP	0x130c1240
+#define LOCAL_11B_SUPPORTED_RATE_BITMAP		0x826
+#define LOCAL_11B_BASIC_RATE_BITMAP		0x826
+#define LOCAL_11B_OPERATION_RATE_BITMAP		0x826
+#define LOCAL_11G_BASIC_RATE_BITMAP		0x826	   /* 1, 2, 5.5, 11 */
+#define LOCAL_11G_OPERATION_RATE_BITMAP		0x130c1240 /* 6, 9, 12, 18, 24, 36, 48, 54 */
+#define LOCAL_11A_BASIC_RATE_BITMAP		0x01001040 /* 6, 12, 24 */
+#define LOCAL_11A_OPERATION_RATE_BITMAP		0x120c0200 /* 9, 18, 36, 48, 54 */
 
 
-
-#define PWR_ACTIVE		0
-#define PWR_SAVE		1
+#define PWR_ACTIVE				0
+#define PWR_SAVE				1
 #define PWR_TX_IDLE_CYCLE			6
 
-//bPreambleMode and bSlotTimeMode
-#define AUTO_MODE			0
-#define LONG_MODE			1
+/* bPreambleMode and bSlotTimeMode */
+#define AUTO_MODE				0
+#define LONG_MODE				1
 
-//Region definition
-#define REGION_AUTO			0xff
-#define REGION_UNKNOWN		0
-#define REGION_EUROPE		1	//ETSI
-#define REGION_JAPAN		2	//MKK
-#define REGION_USA			3	//FCC
-#define	REGION_FRANCE		4	//FRANCE
-#define REGION_SPAIN		5	//SPAIN
-#define REGION_ISRAEL		6	//ISRAEL
-//#define REGION_CANADA		7	//IC
+/* Region definition */
+#define REGION_AUTO				0xff
+#define REGION_UNKNOWN				0
+#define REGION_EUROPE				1	/* ETSI */
+#define REGION_JAPAN				2	/* MKK */
+#define REGION_USA				3	/* FCC */
+#define	REGION_FRANCE				4	/* FRANCE */
+#define REGION_SPAIN				5	/* SPAIN */
+#define REGION_ISRAEL				6	/* ISRAEL */
 
 #define MAX_BSS_DESCRIPT_ELEMENT		32
-#define MAX_PMKID_CandidateList         16
+#define MAX_PMKID_CandidateList			16
 
-//High byte : Event number,  low byte : reason
-//Event definition
-//-- SME/MLME event
-#define EVENT_RCV_DEAUTH					0x0100
-#define EVENT_JOIN_FAIL						0x0200
-#define EVENT_AUTH_FAIL						0x0300
-#define EVENT_ASSOC_FAIL					0x0400
-#define EVENT_LOST_SIGNAL					0x0500
-#define EVENT_BSS_DESCRIPT_LACK				0x0600
-#define EVENT_COUNTERMEASURE				0x0700
-#define EVENT_JOIN_FILTER					0x0800
-//-- TX/RX event
-#define EVENT_RX_BUFF_UNAVAILABLE			0x4100
+/*
+ * High byte : Event number,  low byte : reason
+ * Event definition
+ * -- SME/MLME event
+ */
+#define EVENT_RCV_DEAUTH			0x0100
+#define EVENT_JOIN_FAIL				0x0200
+#define EVENT_AUTH_FAIL				0x0300
+#define EVENT_ASSOC_FAIL			0x0400
+#define EVENT_LOST_SIGNAL			0x0500
+#define EVENT_BSS_DESCRIPT_LACK			0x0600
+#define EVENT_COUNTERMEASURE			0x0700
+#define EVENT_JOIN_FILTER			0x0800
+/* -- TX/RX event */
+#define EVENT_RX_BUFF_UNAVAILABLE		0x4100
 
-#define EVENT_CONNECT						0x8100
-#define EVENT_DISCONNECT					0x8200
-#define EVENT_SCAN_REQ						0x8300
+#define EVENT_CONNECT				0x8100
+#define EVENT_DISCONNECT			0x8200
+#define EVENT_SCAN_REQ				0x8300
 
-//Reason of Event
+/* Reason of Event */
 #define EVENT_REASON_FILTER_BASIC_RATE		0x0001
-#define EVENT_REASON_FILTER_PRIVACY			0x0002
+#define EVENT_REASON_FILTER_PRIVACY		0x0002
 #define EVENT_REASON_FILTER_AUTH_MODE		0x0003
-#define EVENT_REASON_TIMEOUT				0x00ff
+#define EVENT_REASON_TIMEOUT			0x00ff
 
-// 20061108 WPS IE buffer
-#define MAX_IE_APPEND_SIZE					256 + 4 // Due to [E id][Length][OUI][Data] may 257 bytes
+/* Due to[E id][Length][OUI][Data] may be 257 bytes */
+#define MAX_IE_APPEND_SIZE			(256 + 4)
 
-struct chan_info
-{
-	u8		band;
-	u8		ChanNo;
+struct chan_info {
+	u8	band;
+	u8	ChanNo;
 };
 
-struct radio_off
-{
-	u8			boHwRadioOff;
-	u8			boSwRadioOff;
+struct radio_off {
+	u8	boHwRadioOff;
+	u8	boSwRadioOff;
 };
 
-//===========================================================================
-struct wb_local_para
-{
-	u8			PermanentAddress[ MAC_ADDR_LENGTH + 2 ]; 	// read from EPROM, manufacture set for each NetCard
-    u8    		ThisMacAddress[ MAC_ADDR_LENGTH + 2 ];			// the driver will use actually.
+struct wb_local_para {
+	/* read from EPROM, manufacture set for each NetCard */
+	u8	PermanentAddress[MAC_ADDR_LENGTH + 2];
+	/* the driver will use this one actually. */
+	u8	ThisMacAddress[MAC_ADDR_LENGTH + 2];
+	u32	MTUsize;	/* Ind to Uplayer, Max transmission unit size */
+	u8	region_INF;	/* region setting from INF */
+	u8	region;		/* real region setting of the device */
+	u8	Reserved_1[2];
 
-	u32			MTUsize;				// Ind to Uplayer, Max transmission unit size
+	/* power-save variables */
+	u8	iPowerSaveMode; /* 0 indicates on, 1 indicates off */
+	u8	ATIMmode;
+	u8	ExcludeUnencrypted;
+	/* Unit ime count for the decision to enter PS mode */
+	u16	CheckCountForPS;
+	u8	boHasTxActivity;/* tx activity has occurred */
+	u8	boMacPsValid;	/* Power save mode obtained from H/W is valid or not */
 
-	u8			region_INF;	//region setting from INF
-	u8			region;		//real region setting of the device
-	u8			Reserved_1[2];
+	/* Rate */
+	u8	TxRateMode; /*
+			     * Initial, input from Registry,
+			     * may be updated by GUI
+			     * Tx Rate Mode: auto(DTO on), max, 1M, 2M, ..
+			     */
+	u8	CurrentTxRate;		/* The current Tx rate */
+	u8	CurrentTxRateForMng;	/*
+					 * The current Tx rate for management
+					 * frames. It will be decided before
+					 * connection succeeds.
+					 */
+	u8	CurrentTxFallbackRate;
 
-    //// power-save variables
-    u8  		  	iPowerSaveMode;     // 0 indicates it is on, 1 indicates it is off
-	u8			ATIMmode;
-	u8			ExcludeUnencrypted;
+	/* for Rate handler */
+	u8	BRateSet[32];		/* basic rate set */
+	u8	SRateSet[32];		/* support rate set */
 
-	u16			CheckCountForPS;	//Unit ime count for the decision to enter PS mode
-	u8			boHasTxActivity;	//tx activity has occurred
-	u8			boMacPsValid;		//Power save mode obtained from H/W is valid or not
+	u8	NumOfBRate;
+	u8	NumOfSRate;
+	u8	NumOfDsssRateInSRate;	/* number of DSSS rates in supported rate set */
+	u8	reserved1;
 
-	//// Rate
-	u8			TxRateMode;				// Initial, input from Registry, may be updated by GUI
-											//Tx Rate Mode: auto(DTO on), max, 1M, 2M, ..
-	u8			CurrentTxRate;			// The current Tx rate
-	u8			CurrentTxRateForMng;	// The current Tx rate for management frames
-										// It will be decided before connection succeeds.
-	u8			CurrentTxFallbackRate;
+	u32	dwBasicRateBitmap;	/* bit map of basic rates */
 
-	//for Rate handler
-	u8			BRateSet[32];			//basic rate set
-	u8			SRateSet[32];			//support rate set
+	u32	dwSupportRateBitmap;	/* bit map of all support rates including basic and operational rates */
 
-	u8			NumOfBRate;
-	u8			NumOfSRate;
-	u8			NumOfDsssRateInSRate;	//number of DSSS rates in supported rate set
-	u8			reserved1;
 
-	u32			dwBasicRateBitmap;		//bit map of basic rates
-	u32			dwSupportRateBitmap;	//bit map of all support rates including
-										//basic and operational rates
+	/* For SME/MLME handler */
 
-	////For SME/MLME handler
-	u16			wOldSTAindex;			// valid when boHandover=TRUE, store old connected STA index
-	u16			wConnectedSTAindex;		// Index of peerly connected AP or IBSS in
-										// the descriptionset.
-    u16			Association_ID;     	// The Association ID in the (Re)Association
-            	                    	// Response frame.
-    u16			ListenInterval;     	// The listen interval when SME invoking MLME_
-            	                    	// (Re)Associate_Request().
+	u16	wOldSTAindex;		/* valid when boHandover=TRUE, store old connected STA index */
+	u16	wConnectedSTAindex;	/* Index of peerly connected AP or IBSS in the descriptionset. */
+	u16	Association_ID;		/* The Association ID in the (Re)Association Response frame. */
+	u16	ListenInterval;		/* The listen interval when SME invoking MLME_ (Re)Associate_Request(). */
 
-	struct radio_off		RadioOffStatus;
-	u8			Reserved0[2];
+	struct	radio_off RadioOffStatus;
+	u8	Reserved0[2];
+	u8	boMsRadioOff;		/* Ndis demands to be true when set Disassoc. OID and be false when set SSID OID. */
+	u8	bAntennaNo;		/* which antenna */
+	u8	bConnectFlag;		/* the connect status flag for roaming task */
 
-	u8			boMsRadioOff;			// Ndis demands to be true when set Disassoc. OID and be false when set SSID OID.
-	u8			bAntennaNo;				//which antenna
-	u8			bConnectFlag;			//the connect status flag for roaming task
+	u8	RoamStatus;
+	u8	reserved7[3];
 
-	u8			RoamStatus;
-	u8			reserved7[3];
+	struct	chan_info CurrentChan;	/* Current channel no. and channel band. It may be changed by scanning. */
+	u8	boHandover;		/* Roaming, Hnadover to other AP. */
+	u8	boCCAbusy;
 
-	struct chan_info	CurrentChan;			//Current channel no. and channel band. It may be changed by scanning.
-	u8			boHandover;				// Roaming, Hnadover to other AP.
-	u8			boCCAbusy;
+	u16	CWMax;			/* It may not be the real value that H/W used */
+	u8	CWMin;			/* 255: set according to 802.11 spec. */
+	u8	reserved2;
 
-	u16			CWMax;					// It may not be the real value that H/W used
-	u8			CWMin;					// 255: set according to 802.11 spec.
-	u8			reserved2;
+	/* 11G: */
+	u8	bMacOperationMode;	/* operation in 802.11b or 802.11g */
+	u8	bSlotTimeMode;		/* AUTO, s32 */
+	u8	bPreambleMode;		/* AUTO, s32 */
+	u8	boNonERPpresent;
 
-	//11G:
-	u8			bMacOperationMode;		// operation in 802.11b or 802.11g
-	u8			bSlotTimeMode;			//AUTO, s32
-	u8			bPreambleMode;			//AUTO, s32
-	u8			boNonERPpresent;
+	u8	boProtectMechanism;	/* H/W will take the necessary action based on this variable */
+	u8	boShortPreamble;	/* Same here */
+	u8	boShortSlotTime;	/* Same here */
+	u8	reserved_3;
 
-	u8			boProtectMechanism;	// H/W will take the necessary action based on this variable
-	u8			boShortPreamble;	// H/W will take the necessary action based on this variable
-	u8			boShortSlotTime;	// H/W will take the necessary action based on this variable
-	u8			reserved_3;
+	u32	RSN_IE_Bitmap;
+	u32	RSN_OUI_Type;
 
-	u32       	RSN_IE_Bitmap;		//added by WS
-	u32      		RSN_OUI_Type;		//added by WS
+	/* For the BSSID */
+	u8	HwBssid[MAC_ADDR_LENGTH + 2];
+	u32	HwBssidValid;
 
-	//For the BSSID
-	u8			HwBssid[MAC_ADDR_LENGTH + 2];
-	u32			HwBssidValid;
+	/* For scan list */
+	u8	BssListCount;		/* Total count of valid descriptor indexes */
+	u8	boReceiveUncorrectInfo;	/* important settings in beacon/probe resp. have been changed */
+	u8	NoOfJoinerInIbss;
+	u8	reserved_4;
 
-	//For scan list
-	u8			BssListCount;							//Total count of valid descriptor indexes
-	u8			boReceiveUncorrectInfo;	//important settings in beacon/probe resp. have been changed
-	u8			NoOfJoinerInIbss;
-	u8			reserved_4;
+	/* Store the valid descriptor indexes obtained from scannings */
+	u8	BssListIndex[(MAX_BSS_DESCRIPT_ELEMENT + 3) & ~0x03];
+	/*
+	 * Save the BssDescriptor index in this IBSS.
+	 * The index 0 is local descriptor (psLOCAL->wConnectedSTAindex).
+	 * If CONNECTED : NoOfJoinerInIbss >= 2
+	 * else		: NoOfJoinerInIbss <= 1
+	 */
+	u8	JoinerInIbss[(MAX_BSS_DESCRIPT_ELEMENT + 3) & ~0x03];
 
-	u8			BssListIndex[ (MAX_BSS_DESCRIPT_ELEMENT+3) & ~0x03 ];	//Store the valid descriptor indexes obtained from scannings
-	u8			JoinerInIbss[ (MAX_BSS_DESCRIPT_ELEMENT+3) & ~0x03 ];	//save the BssDescriptor index in this
-														//IBSS. The index 0 is local descriptor
-														//(psLOCAL->wConnectedSTAindex).
-														//If CONNECTED : NoOfJoinerInIbss >=2
-														//		else   : NoOfJoinerInIbss <=1
+	/* General Statistics, count at Rx_handler or Tx_callback interrupt handler */
+	u64	GS_XMIT_OK;		/* Good Frames Transmitted */
+	u64	GS_RCV_OK;		/* Good Frames Received */
+	u32	GS_RCV_ERROR;		/* Frames received with crc error */
+	u32	GS_XMIT_ERROR;		/* Bad Frames Transmitted */
+	u32	GS_RCV_NO_BUFFER;	/* Receive Buffer underrun */
+	u32	GS_XMIT_ONE_COLLISION;	/* one collision */
+	u32	GS_XMIT_MORE_COLLISIONS;/* more collisions */
 
-	//// General Statistics, count at Rx_handler or Tx_callback interrupt handler
-    u64 	GS_XMIT_OK;				// Good Frames Transmitted
-    u64 	GS_RCV_OK;				// Good Frames Received
-	u32		GS_RCV_ERROR;			// Frames received with crc error
-	u32		GS_XMIT_ERROR;			// Bad Frames Transmitted
-	u32		GS_RCV_NO_BUFFER;		// Receive Buffer underrun
-	u32		GS_XMIT_ONE_COLLISION;	// one collision
-	u32		GS_XMIT_MORE_COLLISIONS;// more collisions
+	/*
+	 * ================================================================
+	 * Statistics (no matter whether it had done successfully) -wkchen
+	 * ================================================================
+	 */
+	u32	_NumRxMSDU;
+	u32	_NumTxMSDU;
+	u32	_dot11WEPExcludedCount;
+	u32	_dot11WEPUndecryptableCount;
+	u32	_dot11FrameDuplicateCount;
 
-    //================================================================
-    // Statistics (no matter whether it had done successfully) -wkchen
-    //================================================================
-    u32		   	_NumRxMSDU;
-    u32	   		_NumTxMSDU;
-    u32	   		_dot11WEPExcludedCount;
-    u32	   		_dot11WEPUndecryptableCount;
-    u32	   		_dot11FrameDuplicateCount;
+	struct	chan_info IbssChanSetting;	/* 2B. Start IBSS Channel setting by registry or WWU. */
+	u8	reserved_5[2];		/* It may not be used after considering RF type, region and modulation type. */
 
-	struct chan_info	IbssChanSetting;	// 2B. Start IBSS Channel setting by registry or WWU.
-	u8		reserved_5[2];		//It may not be used after considering RF type,
-									//region and modulation type.
+	u8	reserved_6[2];		/* two variables are for wep key error detection */
+	u32	bWepKeyError;
+	u32	bToSelfPacketReceived;
+	u32	WepKeyDetectTimerCount;
 
-	u8		reserved_6[2];		//two variables are for wep key error detection added by ws 02/02/04
+	u16	SignalLostTh;
+	u16	SignalRoamTh;
 
-    u32	      bWepKeyError;
-    u32         bToSelfPacketReceived;
-    u32         WepKeyDetectTimerCount;
-
-	u16		SignalLostTh;
-	u16		SignalRoamTh;
-
-	// 20061108 WPS IE Append
 	u8		IE_Append_data[MAX_IE_APPEND_SIZE];
 	u16		IE_Append_size;
 	u16		reserved_7;
-
 };
 
 #endif

From a09fcbd70e612b197af349ef32b090f211542fb3 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Fri, 7 May 2010 17:25:36 -0500
Subject: [PATCH 1334/3638] staging: rtl8192x: sync the various
 rtl819x_TSProc.c files

The rtl8192e, rtl8192su, and rtl8192u drivers all share what appears
to be a common private ieee80211 stack.  Various patches have been
applied to the rtl819x_TSProc.c file for some of the drivers but not
the others.

This sync's the files based on all the applied patches.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../rtl8192e/ieee80211/rtl819x_TSProc.c       | 38 ++-----------------
 .../rtl8192su/ieee80211/rtl819x_TSProc.c      | 12 +-----
 .../rtl8192u/ieee80211/rtl819x_TSProc.c       |  9 ++---
 3 files changed, 9 insertions(+), 50 deletions(-)

diff --git a/drivers/staging/rtl8192e/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192e/ieee80211/rtl819x_TSProc.c
index e8699616fad..5876b4d53eb 100644
--- a/drivers/staging/rtl8192e/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192e/ieee80211/rtl819x_TSProc.c
@@ -3,13 +3,6 @@
 #include <linux/slab.h>
 #include "rtl819x_TS.h"
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#define list_for_each_entry_safe(pos, n, head, member) \
-	for (pos = list_entry((head)->next, typeof(*pos), member), \
-		n = list_entry(pos->member.next, typeof(*pos), member); \
-		&pos->member != (head); \
-		pos = n, n = list_entry(n->member.next, typeof(*n), member))
-#endif
 void TsSetupTimeOut(unsigned long data)
 {
 	// Not implement yet
@@ -29,7 +22,6 @@ void TsInactTimeout(unsigned long data)
  *  return:  NULL
  *  notice:
 ********************************************************************************************************************/
-#if 1
 void RxPktPendingTimeout(unsigned long data)
 {
 	PRX_TS_RECORD	pRxTs = (PRX_TS_RECORD)data;
@@ -90,25 +82,16 @@ void RxPktPendingTimeout(unsigned long data)
 			return;
 		}
 		ieee80211_indicate_packets(ieee, stats_IndicateArray, index);
-		bPktInBuf = false;
 	}
 
 	if(bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff))
 	{
 		pRxTs->RxTimeoutIndicateSeq = pRxTs->RxIndicateSeq;
-#if 0
-		if(timer_pending(&pRxTs->RxPktPendingTimer))
-			del_timer_sync(&pRxTs->RxPktPendingTimer);
-		pRxTs->RxPktPendingTimer.expires = jiffies + ieee->pHTInfo->RxReorderPendingTime;
-		add_timer(&pRxTs->RxPktPendingTimer);
-#else
 		mod_timer(&pRxTs->RxPktPendingTimer, jiffies + MSECS(ieee->pHTInfo->RxReorderPendingTime));
-#endif
 	}
 	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
 }
-#endif
 
 /********************************************************************************************************************
  *function:  Add BA timer function
@@ -372,17 +355,11 @@ bool GetTs(
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
 		return false;
 	}
-#if 0
-	if(ieee->pStaQos->CurrentQosMode == QOS_DISABLE)
-	{	UP = 0; } //only use one TS
-	else if(ieee->pStaQos->CurrentQosMode & QOS_WMM)
-	{
-#else
+
 	if (ieee->current_network.qos_data.supported == 0)
 		UP = 0;
 	else
 	{
-#endif
 		// In WMM case: we use 4 TID only
 		if (!IsACValid(TID))
 		{
@@ -553,8 +530,8 @@ void RemoveTsEntry(
 void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 {
 	PTS_COMMON_INFO	pTS, pTmpTS;
+
 	printk("===========>RemovePeerTS,%pM\n", Addr);
-#if 1
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
 		if (memcmp(pTS->Addr, Addr, 6) == 0)
@@ -595,13 +572,12 @@ void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 			list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 		}
 	}
-#endif
 }
 
 void RemoveAllTS(struct ieee80211_device* ieee)
 {
 	PTS_COMMON_INFO pTS, pTmpTS;
-#if 1
+
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
 		RemoveTsEntry(ieee, pTS, TX_DIR);
@@ -629,7 +605,6 @@ void RemoveAllTS(struct ieee80211_device* ieee)
 		list_del_init(&pTS->List);
 		list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 	}
-#endif
 }
 
 void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
@@ -637,7 +612,6 @@ void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
 	if(pTxTS->bAddBaReqInProgress == false)
 	{
 		pTxTS->bAddBaReqInProgress = true;
-#if 1
 		if(pTxTS->bAddBaReqDelayed)
 		{
 			IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
@@ -648,13 +622,7 @@ void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
 			IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
 			mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
 		}
-#endif
 	}
 	else
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
 }
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-EXPORT_SYMBOL_NOVERS(RemovePeerTS);
-#else
-//EXPORT_SYMBOL(RemovePeerTS);
-#endif
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
index 38468c53967..de143ecae5f 100644
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
@@ -22,7 +22,6 @@ void TsInactTimeout(unsigned long data)
  *  return:  NULL
  *  notice:
 ********************************************************************************************************************/
-#if 1
 void RxPktPendingTimeout(unsigned long data)
 {
 	PRX_TS_RECORD	pRxTs = (PRX_TS_RECORD)data;
@@ -83,8 +82,6 @@ void RxPktPendingTimeout(unsigned long data)
 			return;
 		}
 		ieee80211_indicate_packets(ieee, stats_IndicateArray, index);
-		 bPktInBuf = false;
-
 	}
 
 	if(bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff))
@@ -95,7 +92,6 @@ void RxPktPendingTimeout(unsigned long data)
 	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
 }
-#endif
 
 /********************************************************************************************************************
  *function:  Add BA timer function
@@ -534,8 +530,8 @@ void RemoveTsEntry(
 void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 {
 	PTS_COMMON_INFO	pTS, pTmpTS;
+
 	printk("===========>RemovePeerTS,%pM\n", Addr);
-#if 1
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
 		if (memcmp(pTS->Addr, Addr, 6) == 0)
@@ -576,13 +572,12 @@ void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 			list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 		}
 	}
-#endif
 }
 
 void RemoveAllTS(struct ieee80211_device* ieee)
 {
 	PTS_COMMON_INFO pTS, pTmpTS;
-#if 1
+
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
 		RemoveTsEntry(ieee, pTS, TX_DIR);
@@ -610,7 +605,6 @@ void RemoveAllTS(struct ieee80211_device* ieee)
 		list_del_init(&pTS->List);
 		list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 	}
-#endif
 }
 
 void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
@@ -618,7 +612,6 @@ void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
 	if(pTxTS->bAddBaReqInProgress == false)
 	{
 		pTxTS->bAddBaReqInProgress = true;
-#if 1
 		if(pTxTS->bAddBaReqDelayed)
 		{
 			IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
@@ -629,7 +622,6 @@ void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
 			IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
 			mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
 		}
-#endif
 	}
 	else
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
index 451120ff213..c3fcaae0750 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
@@ -87,10 +87,7 @@ void RxPktPendingTimeout(unsigned long data)
 	if(bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff))
 	{
 		pRxTs->RxTimeoutIndicateSeq = pRxTs->RxIndicateSeq;
-		if(timer_pending(&pRxTs->RxPktPendingTimer))
-			del_timer_sync(&pRxTs->RxPktPendingTimer);
-		pRxTs->RxPktPendingTimer.expires = jiffies + ieee->pHTInfo->RxReorderPendingTime;
-		add_timer(&pRxTs->RxPktPendingTimer);
+		mod_timer(&pRxTs->RxPktPendingTimer,  jiffies + MSECS(ieee->pHTInfo->RxReorderPendingTime));
 	}
 	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
@@ -358,6 +355,7 @@ bool GetTs(
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
 		return false;
 	}
+
 	if (ieee->current_network.qos_data.supported == 0)
 		UP = 0;
 	else
@@ -532,6 +530,7 @@ void RemoveTsEntry(
 void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 {
 	PTS_COMMON_INFO	pTS, pTmpTS;
+
 	printk("===========>RemovePeerTS,%pM\n", Addr);
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
@@ -578,6 +577,7 @@ void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 void RemoveAllTS(struct ieee80211_device* ieee)
 {
 	PTS_COMMON_INFO pTS, pTmpTS;
+
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
 		RemoveTsEntry(ieee, pTS, TX_DIR);
@@ -626,4 +626,3 @@ void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
 	else
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
 }
-EXPORT_SYMBOL(RemovePeerTS);

From b63eaed0da3370817f74002b81a57b25c43e72cb Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Fri, 7 May 2010 17:27:22 -0500
Subject: [PATCH 1335/3638] staging: rtl8192x: sync the various rtl819x_Qos.h
 files

The rtl8192e, rtl8192su, and rtl8192u drivers all share what appears
to be a common private ieee80211 stack.  Various patches have been
applied to the rtl819x_Qos.h file for some of the drivers but not the
others.

This sync's the files based on all the applied patches.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../staging/rtl8192e/ieee80211/rtl819x_Qos.h  | 166 ------------------
 .../staging/rtl8192su/ieee80211/rtl819x_Qos.h |   1 -
 .../staging/rtl8192u/ieee80211/rtl819x_Qos.h  |   3 +-
 3 files changed, 1 insertion(+), 169 deletions(-)

diff --git a/drivers/staging/rtl8192e/ieee80211/rtl819x_Qos.h b/drivers/staging/rtl8192e/ieee80211/rtl819x_Qos.h
index a50ee0e1c05..d4565ecc7ab 100644
--- a/drivers/staging/rtl8192e/ieee80211/rtl819x_Qos.h
+++ b/drivers/staging/rtl8192e/ieee80211/rtl819x_Qos.h
@@ -69,147 +69,6 @@ typedef	enum _ACK_POLICY{
 }ACK_POLICY,*PACK_POLICY;
 
 #define WMM_PARAM_ELEMENT_SIZE	(8+(4*AC_PARAM_SIZE))
-#if 0
-#define GET_QOS_CTRL(_pStart)	ReadEF2Byte((u8 *)(_pStart) + 24)
-#define SET_QOS_CTRL(_pStart, _value)	WriteEF2Byte((u8 *)(_pStart) + 24, _value)
-
-// WMM control field.
-#define GET_QOS_CTRL_WMM_UP(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 0, 3))
-#define SET_QOS_CTRL_WMM_UP(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 0, 3, (u8)(_value))
-
-#define GET_QOS_CTRL_WMM_EOSP(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 4, 1))
-#define SET_QOS_CTRL_WMM_EOSP(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 4, 1, (u8)(_value))
-
-#define GET_QOS_CTRL_WMM_ACK_POLICY(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 5, 2))
-#define SET_QOS_CTRL_WMM_ACK_POLICY(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 5, 2, (u8)(_value))
-
-// 802.11e control field (by STA, data)
-#define GET_QOS_CTRL_STA_DATA_TID(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 0, 4))
-#define SET_QOS_CTRL_STA_DATA_TID(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 0, 4, (u8)(_value))
-
-#define GET_QOS_CTRL_STA_DATA_QSIZE_FLAG(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 4, 1))
-#define SET_QOS_CTRL_STA_DATA_QSIZE_FLAG(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 4, 1, (u8)(_value))
-
-#define GET_QOS_CTRL_STA_DATA_ACK_POLICY(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 5, 2))
-#define SET_QOS_CTRL_STA_DATA_ACK_POLICY(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 5, 2, (u8)(_value))
-
-#define GET_QOS_CTRL_STA_DATA_TXOP(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 8, 8))
-#define SET_QOS_CTRL_STA_DATA_TXOP(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 8, 8, (u8)(_value))
-
-#define GET_QOS_CTRL_STA_DATA_QSIZE(_pStart)	GET_QOS_CTRL_STA_DATA_TXOP(_pStart)
-#define SET_QOS_CTRL_STA_DATA_QSIZE(_pStart, _value)	SET_QOS_CTRL_STA_DATA_TXOP(_pStart)
-
-// 802.11e control field (by HC, data)
-#define GET_QOS_CTRL_HC_DATA_TID(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 0, 4))
-#define SET_QOS_CTRL_HC_DATA_TID(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 0, 4, (u8)(_value))
-
-#define GET_QOS_CTRL_HC_DATA_EOSP(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 4, 1))
-#define SET_QOS_CTRL_HC_DATA_EOSP(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 4, 1, (u8)(_value))
-
-#define GET_QOS_CTRL_HC_DATA_ACK_POLICY(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 5, 2))
-#define SET_QOS_CTRL_HC_DATA_ACK_POLICY(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 5, 2, (u8)(_value))
-
-#define GET_QOS_CTRL_HC_DATA_PS_BUFSTATE(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 8, 8))
-#define SET_QOS_CTRL_HC_DATA_PS_BUFSTATE(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 8, 8, (u8)(_value))
-
-// 802.11e control field (by HC, CFP)
-#define GET_QOS_CTRL_HC_CFP_TID(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 0, 4))
-#define SET_QOS_CTRL_HC_CFP_TID(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 0, 4, (u8)(_value))
-
-#define GET_QOS_CTRL_HC_CFP_EOSP(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 4, 1))
-#define SET_QOS_CTRL_HC_CFP_EOSP(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 4, 1, (u8)(_value))
-
-#define GET_QOS_CTRL_HC_CFP_ACK_POLICY(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 5, 2))
-#define SET_QOS_CTRL_HC_CFP_ACK_POLICY(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 5, 2, (u8)(_value))
-
-#define GET_QOS_CTRL_HC_CFP_TXOP_LIMIT(_pStart)	((u8)LE_BITS_TO_2BYTE((u8 *)(_pStart)+24, 8, 8))
-#define SET_QOS_CTRL_HC_CFP_TXOP_LIMIT(_pStart, _value)	SET_BITS_TO_LE_2BYTE((u8 *)(_pStart)+24, 8, 8, (u8)(_value))
-
-#define SET_WMM_QOS_INFO_FIELD(_pStart, _val)	WriteEF1Byte(_pStart, _val)
-
-#define GET_WMM_QOS_INFO_FIELD_PARAMETERSET_COUNT(_pStart)	LE_BITS_TO_1BYTE(_pStart, 0, 4)
-#define SET_WMM_QOS_INFO_FIELD_PARAMETERSET_COUNT(_pStart, _val)	SET_BITS_TO_LE_1BYTE(_pStart, 0, 4, _val)
-
-#define GET_WMM_QOS_INFO_FIELD_AP_UAPSD(_pStart)	LE_BITS_TO_1BYTE(_pStart, 7, 1)
-#define SET_WMM_QOS_INFO_FIELD_AP_UAPSD(_pStart, _val)	SET_BITS_TO_LE_1BYTE(_pStart, 7, 1, _val)
-
-#define GET_WMM_QOS_INFO_FIELD_STA_AC_VO_UAPSD(_pStart)	LE_BITS_TO_1BYTE(_pStart, 0, 1)
-#define SET_WMM_QOS_INFO_FIELD_STA_AC_VO_UAPSD(_pStart, _val)	SET_BITS_TO_LE_1BYTE(_pStart, 0, 1, _val)
-
-#define GET_WMM_QOS_INFO_FIELD_STA_AC_VI_UAPSD(_pStart)	LE_BITS_TO_1BYTE(_pStart, 1, 1)
-#define SET_WMM_QOS_INFO_FIELD_STA_AC_VI_UAPSD(_pStart, _val)	SET_BITS_TO_LE_1BYTE(_pStart, 1, 1, _val)
-
-#define GET_WMM_QOS_INFO_FIELD_STA_AC_BE_UAPSD(_pStart)	LE_BITS_TO_1BYTE(_pStart, 2, 1)
-#define SET_WMM_QOS_INFO_FIELD_STA_AC_BE_UAPSD(_pStart, _val)	SET_BITS_TO_LE_1BYTE(_pStart, 2, 1, _val)
-
-#define GET_WMM_QOS_INFO_FIELD_STA_AC_BK_UAPSD(_pStart)	LE_BITS_TO_1BYTE(_pStart, 3, 1)
-#define SET_WMM_QOS_INFO_FIELD_STA_AC_BK_UAPSD(_pStart, _val)	SET_BITS_TO_LE_1BYTE(_pStart, 3, 1, _val)
-
-#define GET_WMM_QOS_INFO_FIELD_STA_MAX_SP_LEN(_pStart)	LE_BITS_TO_1BYTE(_pStart, 5, 2)
-#define SET_WMM_QOS_INFO_FIELD_STA_MAX_SP_LEN(_pStart, _val)	SET_BITS_TO_LE_1BYTE(_pStart, 5, 2, _val)
-
-
-#define WMM_INFO_ELEMENT_SIZE	7
-
-#define GET_WMM_INFO_ELE_OUI(_pStart)	((u8 *)(_pStart))
-#define SET_WMM_INFO_ELE_OUI(_pStart, _pVal)	PlatformMoveMemory(_pStart, _pVal, 3);
-
-#define GET_WMM_INFO_ELE_OUI_TYPE(_pStart)	( EF1Byte( *((u8 *)(_pStart)+3) ) )
-#define SET_WMM_INFO_ELE_OUI_TYPE(_pStart, _val)	( *((u8 *)(_pStart)+3) = EF1Byte(_val) )
-
-#define GET_WMM_INFO_ELE_OUI_SUBTYPE(_pStart)	( EF1Byte( *((u8 *)(_pStart)+4) ) )
-#define SET_WMM_INFO_ELE_OUI_SUBTYPE(_pStart, _val)	( *((u8 *)(_pStart)+4) = EF1Byte(_val) )
-
-#define GET_WMM_INFO_ELE_VERSION(_pStart)	( EF1Byte( *((u8 *)(_pStart)+5) ) )
-#define SET_WMM_INFO_ELE_VERSION(_pStart, _val)	( *((u8 *)(_pStart)+5) = EF1Byte(_val) )
-
-#define GET_WMM_INFO_ELE_QOS_INFO_FIELD(_pStart)	( EF1Byte( *((u8 *)(_pStart)+6) ) )
-#define SET_WMM_INFO_ELE_QOS_INFO_FIELD(_pStart, _val)	( *((u8 *)(_pStart)+6) = EF1Byte(_val) )
-
-
-
-#define GET_WMM_AC_PARAM_AIFSN(_pStart)	( (u8)LE_BITS_TO_4BYTE(_pStart, 0, 4) )
-#define SET_WMM_AC_PARAM_AIFSN(_pStart, _val)	SET_BITS_TO_LE_4BYTE(_pStart, 0, 4, _val)
-
-#define GET_WMM_AC_PARAM_ACM(_pStart)	( (u8)LE_BITS_TO_4BYTE(_pStart, 4, 1) )
-#define SET_WMM_AC_PARAM_ACM(_pStart, _val)	SET_BITS_TO_LE_4BYTE(_pStart, 4, 1, _val)
-
-#define GET_WMM_AC_PARAM_ACI(_pStart)		( (u8)LE_BITS_TO_4BYTE(_pStart, 5, 2) )
-#define SET_WMM_AC_PARAM_ACI(_pStart, _val)	SET_BITS_TO_LE_4BYTE(_pStart, 5, 2, _val)
-
-#define GET_WMM_AC_PARAM_ACI_AIFSN(_pStart)	( (u8)LE_BITS_TO_4BYTE(_pStart, 0, 8) )
-#define SET_WMM_AC_PARAM_ACI_AIFSN(_pStart, _val)	SET_BTIS_TO_LE_4BYTE(_pStart, 0, 8, _val)
-
-#define GET_WMM_AC_PARAM_ECWMIN(_pStart)	( (u8)LE_BITS_TO_4BYTE(_pStart, 8, 4) )
-#define SET_WMM_AC_PARAM_ECWMIN(_pStart, _val)	SET_BITS_TO_LE_4BYTE(_pStart, 8, 4, _val)
-
-#define GET_WMM_AC_PARAM_ECWMAX(_pStart)	( (u8)LE_BITS_TO_4BYTE(_pStart, 12, 4) )
-#define SET_WMM_AC_PARAM_ECWMAX(_pStart, _val)	SET_BITS_TO_LE_4BYTE(_pStart, 12, 4, _val)
-
-#define GET_WMM_AC_PARAM_TXOP_LIMIT(_pStart)		( (u16)LE_BITS_TO_4BYTE(_pStart, 16, 16) )
-#define SET_WMM_AC_PARAM_TXOP_LIMIT(_pStart, _val)	SET_BITS_TO_LE_4BYTE(_pStart, 16, 16, _val)
-
-
-
-
-#define GET_WMM_PARAM_ELE_OUI(_pStart)	((u8 *)(_pStart))
-#define SET_WMM_PARAM_ELE_OUI(_pStart, _pVal)	PlatformMoveMemory(_pStart, _pVal, 3)
-
-#define GET_WMM_PARAM_ELE_OUI_TYPE(_pStart)	( EF1Byte( *((u8 *)(_pStart)+3) ) )
-#define SET_WMM_PARAM_ELE_OUI_TYPE(_pStart, _val)	( *((u8 *)(_pStart)+3) = EF1Byte(_val) )
-
-#define GET_WMM_PARAM_ELE_OUI_SUBTYPE(_pStart)	( EF1Byte( *((u8 *)(_pStart)+4) ) )
-#define SET_WMM_PARAM_ELE_OUI_SUBTYPE(_pStart, _val)	( *((u8 *)(_pStart)+4) = EF1Byte(_val) )
-
-#define GET_WMM_PARAM_ELE_VERSION(_pStart)	( EF1Byte( *((u8 *)(_pStart)+5) ) )
-#define SET_WMM_PARAM_ELE_VERSION(_pStart, _val)	( *((u8 *)(_pStart)+5) = EF1Byte(_val) )
-
-#define GET_WMM_PARAM_ELE_QOS_INFO_FIELD(_pStart)	( EF1Byte( *((u8 *)(_pStart)+6) ) )
-#define SET_WMM_PARAM_ELE_QOS_INFO_FIELD(_pStart, _val)	( *((u8 *)(_pStart)+6) = EF1Byte(_val) )
-
-#define GET_WMM_PARAM_ELE_AC_PARAM(_pStart)	( (u8 *)(_pStart)+8 )
-#define SET_WMM_PARAM_ELE_AC_PARAM(_pStart, _pVal) PlatformMoveMemory((_pStart)+8, _pVal, 16)
-#endif
 
 //
 // QoS Control Field
@@ -360,22 +219,6 @@ typedef	union _QOS_INFO_FIELD{
 
 }QOS_INFO_FIELD, *PQOS_INFO_FIELD;
 
-#if 0
-//
-// WMM Information Element
-// Ref: WMM spec 2.2.1: WME Information Element, p.10.
-//
-typedef struct _WMM_INFO_ELEMENT{
-//	u8			ElementID;
-//	u8			Length;
-	u8			OUI[3];
-	u8			OUI_Type;
-	u8			OUI_SubType;
-	u8			Version;
-	QOS_INFO_FIELD	QosInfo;
-}WMM_INFO_ELEMENT, *PWMM_INFO_ELEMENT;
-#endif
-
 //
 // ACI to AC coding.
 // Ref: WMM spec 2.2.2: WME Parameter Element, p.13.
@@ -649,16 +492,7 @@ typedef struct _OCTET_STRING{
         u8        	*Octet;
         u16             Length;
 }OCTET_STRING, *POCTET_STRING;
-#if 0
-#define FillOctetString(_os,_octet,_len)             \
-        (_os).Octet=(u8 *)(_octet);                  \
-        (_os).Length=(_len);
 
-#define WMM_ELEM_HDR_LEN        		     6
-#define WMMElemSkipHdr(_osWMMElem)                   \
-        (_osWMMElem).Octet += WMM_ELEM_HDR_LEN;      \
-        (_osWMMElem).Length -= WMM_ELEM_HDR_LEN;
-#endif
 //
 // STA QoS data.
 // Ref: DOT11_QOS in 8185 code. [def. in QoS_mp.h]
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_Qos.h b/drivers/staging/rtl8192su/ieee80211/rtl819x_Qos.h
index 7aa9a7790b6..d4565ecc7ab 100644
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_Qos.h
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_Qos.h
@@ -1,7 +1,6 @@
 #ifndef __INC_QOS_TYPE_H
 #define __INC_QOS_TYPE_H
 
-//#include "EndianFree.h"
 #define BIT0                    0x00000001
 #define BIT1                    0x00000002
 #define BIT2                    0x00000004
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
index 13b1e5ca436..9e4ced15edf 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
@@ -1,7 +1,6 @@
 #ifndef __INC_QOS_TYPE_H
 #define __INC_QOS_TYPE_H
 
-//#include "EndianFree.h"
 #define BIT0                    0x00000001
 #define BIT1                    0x00000002
 #define BIT2                    0x00000004
@@ -220,7 +219,6 @@ typedef	union _QOS_INFO_FIELD{
 
 }QOS_INFO_FIELD, *PQOS_INFO_FIELD;
 
-
 //
 // ACI to AC coding.
 // Ref: WMM spec 2.2.2: WME Parameter Element, p.13.
@@ -494,6 +492,7 @@ typedef struct _OCTET_STRING{
 	u8        	*Octet;
 	u16             Length;
 }OCTET_STRING, *POCTET_STRING;
+
 //
 // STA QoS data.
 // Ref: DOT11_QOS in 8185 code. [def. in QoS_mp.h]

From 48f658bb3d582c13b5d0b86b0295d5e0050e60c9 Mon Sep 17 00:00:00 2001
From: Takanori Suzuki <mail.tks@gmail.com>
Date: Sat, 8 May 2010 22:56:24 +0900
Subject: [PATCH 1336/3638] Staging: panel: change asm/uaccess.h to
 linux/uaccess.h

This patch replaces <asm/uaccess.h> with <linux/uaccess.h> to comply with
the checkpatch.pl hint.

Signed-off-by: Takanori Suzuki <mail.tks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/panel/panel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 377884f3480..f9fcb2fef5a 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -57,7 +57,7 @@
 #include <generated/utsrelease.h>
 
 #include <linux/io.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/system.h>
 
 #define LCD_MINOR		156

From b8aab1278147e3b067903983a835ef3c68281b13 Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Sun, 9 May 2010 14:50:40 +0300
Subject: [PATCH 1337/3638] Staging: dt3155v4l: correcting a bug

dt3155v4l driver, as in -rc6-next-20100506 has a BUG.
When it modifies q->int_ops structure in videobuf-dma-contig
module the change is visible for all other modules using it.

Make a local copy of this structure and use its modification
to solve the bug.

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155v4l/dt3155v4l.c | 7 ++++++-
 drivers/staging/dt3155v4l/dt3155v4l.h | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index b1695ad9b56..a5e40917041 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -612,9 +612,14 @@ dt3155_queue_dma_contig_init(struct videobuf_queue *q,
 					unsigned int msize,
 					void *priv)
 {
+	struct dt3155_priv *pd = q->priv_data;
+
 	videobuf_queue_dma_contig_init(q, ops, dev, irqlock,
 				       type, field, msize, priv);
-	/* overwrite with our methods */
+	/* replace with local copy */
+	pd->qt_ops = *q->int_ops;
+	q->int_ops = &pd->qt_ops;
+	/* and overwrite with our methods */
 	q->int_ops->iolock = dt3155_iolock;
 	q->int_ops->mmap_mapper = dt3155_mmap_mapper;
 	q->int_ops->sync = dt3155_sync_for_cpu;
diff --git a/drivers/staging/dt3155v4l/dt3155v4l.h b/drivers/staging/dt3155v4l/dt3155v4l.h
index e5c4ad05b18..4c6a0ee08c0 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.h
+++ b/drivers/staging/dt3155v4l/dt3155v4l.h
@@ -185,6 +185,7 @@ struct dt3155_stats {
  * @curr_buf:		pointer to curren buffer
  * @thread		pointer to worker thraed
  * @irq_handler:	irq handler for the driver
+ * @qt_ops		local copy of dma-contig qtype_ops
  * @dmaq		queue for dma buffers
  * @do_dma		wait queue of the kernel thread
  * @mux:		mutex to protect the instance
@@ -204,6 +205,7 @@ struct dt3155_priv {
 	struct videobuf_buffer *curr_buf;
 	struct task_struct *thread;
 	irq_handler_t irq_handler;
+	struct videobuf_qtype_ops qt_ops;
 	struct list_head dmaq;
 	wait_queue_head_t do_dma;
 	struct mutex mux;

From ad602259451ddc8b0f83cb312cb54223317eda74 Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Tue, 11 May 2010 11:05:25 +0300
Subject: [PATCH 1338/3638] staging: dt3155v4l: last fix to correct a bug
 introduces a bug. Correct it.

The previous patch "use_local_copy_qtype_ops.patch"

http://lkml.org/lkml/2010/5/9/40

has introduced a new BUG.

This patch corrects it.

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155v4l/dt3155v4l.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index a5e40917041..49463611f4f 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -612,7 +612,7 @@ dt3155_queue_dma_contig_init(struct videobuf_queue *q,
 					unsigned int msize,
 					void *priv)
 {
-	struct dt3155_priv *pd = q->priv_data;
+	struct dt3155_priv *pd = priv;
 
 	videobuf_queue_dma_contig_init(q, ops, dev, irqlock,
 				       type, field, msize, priv);

From e2218350465e7e0931676b4849b594c978437bce Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Wed, 12 May 2010 08:25:37 +1000
Subject: [PATCH 1339/3638] md: set mddev readonly flag on blkdev BLKROSET
 ioctl

When the user sets the block device to readwrite then the mddev should
follow suit.  Otherwise, the BUG_ON in md_write_start() will be set to
trigger.

The reverse direction, setting mddev->ro to match a set readonly
request, can be ignored because the blkdev level readonly flag precludes
the need to have mddev->ro set correctly.  Nevermind the fact that
setting mddev->ro to 1 may fail if the array is in use.

Cc: <stable@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index a20a71e5efd..08f665178c3 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5489,6 +5489,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 	int err = 0;
 	void __user *argp = (void __user *)arg;
 	mddev_t *mddev = NULL;
+	int ro;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
@@ -5624,6 +5625,34 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 			err = do_md_stop(mddev, 1, 1);
 			goto done_unlock;
 
+		case BLKROSET:
+			if (get_user(ro, (int __user *)(arg))) {
+				err = -EFAULT;
+				goto done_unlock;
+			}
+			err = -EINVAL;
+
+			/* if the bdev is going readonly the value of mddev->ro
+			 * does not matter, no writes are coming
+			 */
+			if (ro)
+				goto done_unlock;
+
+			/* are we are already prepared for writes? */
+			if (mddev->ro != 1)
+				goto done_unlock;
+
+			/* transitioning to readauto need only happen for
+			 * arrays that call md_write_start
+			 */
+			if (mddev->pers) {
+				err = restart_array(mddev);
+				if (err == 0) {
+					mddev->ro = 2;
+					set_disk_ro(mddev->gendisk, 0);
+				}
+			}
+			goto done_unlock;
 	}
 
 	/*

From d101b958cb334c757edd4998fa0f2454755d7c3e Mon Sep 17 00:00:00 2001
From: "Prashant P. Shah" <pshah.mumbai@gmail.com>
Date: Sun, 9 May 2010 22:41:16 +0530
Subject: [PATCH 1340/3638] Staging: wlags49_h2: fixed whitespace issues in
 wl_profile.c

This is a patch to the wl_profile.c file that fixes whitespace
issues found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/wl_profile.c | 759 +++++++++++-------------
 1 file changed, 354 insertions(+), 405 deletions(-)

diff --git a/drivers/staging/wlags49_h2/wl_profile.c b/drivers/staging/wlags49_h2/wl_profile.c
index 1e0c75f2855..e4e78a4ace1 100644
--- a/drivers/staging/wlags49_h2/wl_profile.c
+++ b/drivers/staging/wlags49_h2/wl_profile.c
@@ -113,17 +113,19 @@ extern p_u32    DebugFlag;
 extern dbg_info_t *DbgInfo;
 #endif
 
-int parse_yes_no( char* value );
+int parse_yes_no(char *value);
 
 
-int parse_yes_no( char* value ) {
+int parse_yes_no(char *value)
+{
 int rc = 0;										//default to NO for invalid parameters
 
-	if ( strlen( value ) == 1 ) {
-		if ( ( value[0] | ('Y'^'y') ) == 'y' ) rc = 1;
+	if (strlen(value) == 1) {
+		if ((value[0] | ('Y'^'y')) == 'y')
+			rc = 1;
 //	} else {
 //		this should not be debug time info, it is an enduser data entry error ;?
-//		DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MICROWAVE_ROBUSTNESS );
+//		DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MICROWAVE_ROBUSTNESS);
 	}
 	return rc;
 } // parse_yes_no
@@ -149,11 +151,11 @@ int rc = 0;										//default to NO for invalid parameters
  *      N/A
  *
  ******************************************************************************/
-void parse_config( struct net_device *dev )
+void parse_config(struct net_device *dev)
 {
 	int				    file_desc;
 #if 0 // BIN_DL
-	int 	 			rc;
+	int				rc;
 	char				*cp = NULL;
 #endif // BIN_DL
 	char                buffer[MAX_LINE_SIZE];
@@ -163,48 +165,48 @@ void parse_config( struct net_device *dev )
 	ENCSTRCT            sEncryption;
 	/*------------------------------------------------------------------------*/
 
-	DBG_FUNC( "parse_config" );
-	DBG_ENTER( DbgInfo );
+	DBG_FUNC("parse_config");
+	DBG_ENTER(DbgInfo);
 
 	/* Get the wavelan specific info for this device */
 	wvlan_config = (struct wl_private *)dev->priv;
-	if ( wvlan_config == NULL ) {
-		DBG_ERROR( DbgInfo, "Wavelan specific info struct not present?\n" );
+	if (wvlan_config == NULL) {
+		DBG_ERROR(DbgInfo, "Wavelan specific info struct not present?\n");
 		return;
 	}
 
 	/* setup the default encryption string */
-	strcpy( wvlan_config->szEncryption, DEF_CRYPT_STR );
+	strcpy(wvlan_config->szEncryption, DEF_CRYPT_STR);
 
 	/* Obtain a user-space process context, storing the original context */
-	fs = get_fs( );
-	set_fs( get_ds( ));
+	fs = get_fs();
+	set_fs(get_ds());
 
 	/* Determine the filename for this device and attempt to open it */
-	sprintf( filename, "%s%s", ROOT_CONFIG_FILENAME, dev->name );
-	file_desc = open( filename, O_RDONLY, 0 );
-	if ( file_desc != -1 ) {
-		DBG_TRACE( DbgInfo, "Wireless config file found. Parsing options...\n" );
+	sprintf(filename, "%s%s", ROOT_CONFIG_FILENAME, dev->name);
+	file_desc = open(filename, O_RDONLY, 0);
+	if (file_desc != -1) {
+		DBG_TRACE(DbgInfo, "Wireless config file found. Parsing options...\n");
 
 		/* Read out the options */
-		while( readline( file_desc, buffer )) {
-			translate_option( buffer, wvlan_config );
+		while (readline(file_desc, buffer)) {
+			translate_option(buffer, wvlan_config);
 		}
 		/* Close the file */
-		close( file_desc );	//;?even if file_desc == -1 ???
+		close(file_desc);	//;?even if file_desc == -1 ???
 	} else {
-		DBG_TRACE( DbgInfo, "No iwconfig file found for this device; "
-				   "config.opts or wireless.opts will be used\n" );
+		DBG_TRACE(DbgInfo, "No iwconfig file found for this device; "
+				   "config.opts or wireless.opts will be used\n");
 	}
 	/* Return to the original context */
-	set_fs( fs );
+	set_fs(fs);
 
 	/* convert the WEP keys, if read in as key1, key2, type of data */
-	if ( wvlan_config->EnableEncryption ) {
-		memset( &sEncryption, 0, sizeof( sEncryption ));
+	if (wvlan_config->EnableEncryption) {
+		memset(&sEncryption, 0, sizeof(sEncryption));
 
-		wl_wep_decode( CRYPT_CODE, &sEncryption,
-						   wvlan_config->szEncryption );
+		wl_wep_decode(CRYPT_CODE, &sEncryption,
+						   wvlan_config->szEncryption);
 
 		/* the Linux driver likes to use 1-4 for the key IDs, and then
 		   convert to 0-3 when sending to the card.  The Windows code
@@ -216,63 +218,63 @@ void parse_config( struct net_device *dev )
 		sEncryption.wEnabled = wvlan_config->EnableEncryption;
 		sEncryption.wTxKeyID = wvlan_config->TransmitKeyID - 1;
 
-		memcpy( &sEncryption.EncStr, &wvlan_config->DefaultKeys,
-				sizeof( CFG_DEFAULT_KEYS_STRCT ));
+		memcpy(&sEncryption.EncStr, &wvlan_config->DefaultKeys,
+				sizeof(CFG_DEFAULT_KEYS_STRCT));
 
-		memset( wvlan_config->szEncryption, 0, sizeof( wvlan_config->szEncryption ));
+		memset(wvlan_config->szEncryption, 0, sizeof(wvlan_config->szEncryption));
 
-		wl_wep_code( CRYPT_CODE, wvlan_config->szEncryption, &sEncryption,
-						 sizeof( sEncryption ));
+		wl_wep_code(CRYPT_CODE, wvlan_config->szEncryption, &sEncryption,
+						 sizeof(sEncryption));
 	}
 
 	/* decode the encryption string for the call to wl_commit() */
-	wl_wep_decode( CRYPT_CODE, &sEncryption, wvlan_config->szEncryption );
+	wl_wep_decode(CRYPT_CODE, &sEncryption, wvlan_config->szEncryption);
 
 	wvlan_config->TransmitKeyID    = sEncryption.wTxKeyID + 1;
 	wvlan_config->EnableEncryption = sEncryption.wEnabled;
 
-	memcpy( &wvlan_config->DefaultKeys, &sEncryption.EncStr,
-			sizeof( CFG_DEFAULT_KEYS_STRCT ));
+	memcpy(&wvlan_config->DefaultKeys, &sEncryption.EncStr,
+			sizeof(CFG_DEFAULT_KEYS_STRCT));
 
 #if 0 //BIN_DL
 		/* Obtain a user-space process context, storing the original context */
-		fs = get_fs( );
-		set_fs( get_ds( ));
+		fs = get_fs();
+		set_fs(get_ds());
 
 		//;?just to fake something
-		strcpy(/*wvlan_config->fw_image_*/filename, "/etc/agere/fw.bin" );
-		file_desc = open( /*wvlan_config->fw_image_*/filename, 0, 0 );
-		if ( file_desc == -1 ) {
-			DBG_ERROR( DbgInfo, "No image file found\n" );
+		strcpy(/*wvlan_config->fw_image_*/filename, "/etc/agere/fw.bin");
+		file_desc = open(/*wvlan_config->fw_image_*/filename, 0, 0);
+		if (file_desc == -1) {
+			DBG_ERROR(DbgInfo, "No image file found\n");
 		} else {
-			DBG_TRACE( DbgInfo, "F/W image file found\n" );
+			DBG_TRACE(DbgInfo, "F/W image file found\n");
 #define DHF_ALLOC_SIZE 96000			//just below 96K, let's hope it suffices for now and for the future
-			cp = (char*)vmalloc( DHF_ALLOC_SIZE );
-			if ( cp == NULL ) {
-				DBG_ERROR( DbgInfo, "error in vmalloc\n" );
+			cp = (char *)vmalloc(DHF_ALLOC_SIZE);
+			if (cp == NULL) {
+				DBG_ERROR(DbgInfo, "error in vmalloc\n");
 			} else {
-				rc = read( file_desc, cp, DHF_ALLOC_SIZE );
-				if ( rc == DHF_ALLOC_SIZE ) {
-					DBG_ERROR( DbgInfo, "buffer too small, %d\n", DHF_ALLOC_SIZE );
-				} else if ( rc > 0 ) {
-					DBG_TRACE( DbgInfo, "read O.K.: %d bytes  %.12s\n", rc, cp );
-					rc = read( file_desc, &cp[rc], 1 );
-					if ( rc == 0 ) {
-						DBG_TRACE( DbgInfo, "no more to read\n" );
+				rc = read(file_desc, cp, DHF_ALLOC_SIZE);
+				if (rc == DHF_ALLOC_SIZE) {
+					DBG_ERROR(DbgInfo, "buffer too small, %d\n", DHF_ALLOC_SIZE);
+				} else if (rc > 0) {
+					DBG_TRACE(DbgInfo, "read O.K.: %d bytes  %.12s\n", rc, cp);
+					rc = read(file_desc, &cp[rc], 1);
+					if (rc == 0) {
+						DBG_TRACE(DbgInfo, "no more to read\n");
 					}
 				}
-				if ( rc != 0 ) {
-					DBG_ERROR( DbgInfo, "file not read in one swoop or other error"\
-										", give up, too complicated, rc = %0X\n", rc );
+				if (rc != 0) {
+					DBG_ERROR(DbgInfo, "file not read in one swoop or other error"\
+										", give up, too complicated, rc = %0X\n", rc);
 				}
-				vfree( cp );
+				vfree(cp);
 			}
-			close( file_desc );
+			close(file_desc);
 		}
-		set_fs( fs );			/* Return to the original context */
+		set_fs(fs);			/* Return to the original context */
 #endif // BIN_DL
 
-	DBG_LEAVE( DbgInfo );
+	DBG_LEAVE(DbgInfo);
 	return;
 } // parse_config
 
@@ -298,17 +300,17 @@ void parse_config( struct net_device *dev )
  *      -1 on error
  *
  ******************************************************************************/
-int readline( int filedesc, char *buffer )
+int readline(int filedesc, char *buffer)
 {
 	int result = -1;
 	int bytes_read = 0;
 	/*------------------------------------------------------------------------*/
 
 	/* Make sure the file descriptor is good */
-	if ( filedesc != -1 ) {
+	if (filedesc != -1) {
 		/* Read in from the file byte by byte until a newline is reached */
-		while(( result = read( filedesc, &buffer[bytes_read], 1 )) == 1 ) {
-			if ( buffer[bytes_read] == '\n' ) {
+		while ((result = read(filedesc, &buffer[bytes_read], 1)) == 1) {
+			if (buffer[bytes_read] == '\n') {
 				buffer[bytes_read] = '\0';
 				bytes_read++;
 				break;
@@ -318,7 +320,7 @@ int readline( int filedesc, char *buffer )
 	}
 
 	/* Return the number of bytes read */
-	if ( result == -1 ) {
+	if (result == -1) {
 		return result;
 	} else {
 		return bytes_read;
@@ -346,7 +348,7 @@ int readline( int filedesc, char *buffer )
  *      N/A
  *
  ******************************************************************************/
-void translate_option( char *buffer, struct wl_private *lp )
+void translate_option(char *buffer, struct wl_private *lp)
 {
 	unsigned int value_convert = 0;
 	int string_length = 0;
@@ -355,16 +357,16 @@ void translate_option( char *buffer, struct wl_private *lp )
 	u_char mac_value[ETH_ALEN];
 	/*------------------------------------------------------------------------*/
 
-	DBG_FUNC( "translate_option" );
+	DBG_FUNC("translate_option");
 
-	if ( buffer == NULL || lp == NULL ) {
-		DBG_ERROR( DbgInfo, "Config file buffer and/or wavelan buffer ptr NULL\n" );
+	if (buffer == NULL || lp == NULL) {
+		DBG_ERROR(DbgInfo, "Config file buffer and/or wavelan buffer ptr NULL\n");
 		return;
 	}
 
-	ParseConfigLine( buffer, &key, &value );
+	ParseConfigLine(buffer, &key, &value);
 
-	if ( key == NULL || value == NULL ) {
+	if (key == NULL || value == NULL) {
 		return;
 	}
 
@@ -375,9 +377,9 @@ void translate_option( char *buffer, struct wl_private *lp )
 	/* handle DebugFlag as early as possible so it starts its influence as early
 	 * as possible
 	 */
-	if ( strcmp( key, PARM_NAME_DEBUG_FLAG ) == 0 ) {
-		if ( DebugFlag == ~0 ) {			//if DebugFlag is not specified on the command line
-			if ( DbgInfo->DebugFlag == 0 ) {	/* if pc_debug did not set DebugFlag (i.e.pc_debug is
+	if (strcmp(key, PARM_NAME_DEBUG_FLAG) == 0) {
+		if (DebugFlag == ~0) {			/* if DebugFlag is not specified on the command line */
+			if (DbgInfo->DebugFlag == 0) {	/* if pc_debug did not set DebugFlag (i.e.pc_debug is
 											 * not specified or specified outside the 4-8 range
 											 */
 				DbgInfo->DebugFlag |= DBG_DEFAULTS;
@@ -388,250 +390,230 @@ void translate_option( char *buffer, struct wl_private *lp )
 		DbgInfo->DebugFlag = simple_strtoul(value, NULL, 0); //;?Delete ASAP
 	}
 #endif /* DBG */
-	if ( strcmp( key, PARM_NAME_AUTH_KEY_MGMT_SUITE ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_AUTH_KEY_MGMT_SUITE, value );
+	if (strcmp(key, PARM_NAME_AUTH_KEY_MGMT_SUITE) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_AUTH_KEY_MGMT_SUITE, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_AUTH_KEY_MGMT_SUITE ) || ( value_convert <= PARM_MAX_AUTH_KEY_MGMT_SUITE )) {
+		if ((value_convert >= PARM_MIN_AUTH_KEY_MGMT_SUITE) || (value_convert <= PARM_MAX_AUTH_KEY_MGMT_SUITE)) {
 			lp->AuthKeyMgmtSuite = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_AUTH_KEY_MGMT_SUITE );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_AUTH_KEY_MGMT_SUITE);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_BRSC_2GHZ ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_BRSC_2GHZ, value );
+	} else if (strcmp(key, PARM_NAME_BRSC_2GHZ) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_BRSC_2GHZ, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_BRSC ) || ( value_convert <= PARM_MAX_BRSC )) {
+		if ((value_convert >= PARM_MIN_BRSC) || (value_convert <= PARM_MAX_BRSC)) {
 			lp->brsc[0] = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_BRSC_2GHZ );
+			DBG_WARNING(DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_BRSC_2GHZ);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_BRSC_5GHZ ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_BRSC_5GHZ, value );
+	} else if (strcmp(key, PARM_NAME_BRSC_5GHZ) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_BRSC_5GHZ, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_BRSC ) || ( value_convert <= PARM_MAX_BRSC )) {
+		if ((value_convert >= PARM_MIN_BRSC) || (value_convert <= PARM_MAX_BRSC)) {
 			lp->brsc[1] = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_BRSC_5GHZ );
+			DBG_WARNING(DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_BRSC_5GHZ);
 		}
-	}
-	else if (( strcmp( key, PARM_NAME_DESIRED_SSID ) == 0 ) || ( strcmp( key, PARM_NAME_OWN_SSID ) == 0 )) {
-		DBG_TRACE( DbgInfo, "SSID, value: %s\n", value );
+	} else if ((strcmp(key, PARM_NAME_DESIRED_SSID) == 0) || (strcmp(key, PARM_NAME_OWN_SSID) == 0)) {
+		DBG_TRACE(DbgInfo, "SSID, value: %s\n", value);
 
-		memset( lp->NetworkName, 0, ( PARM_MAX_NAME_LEN + 1 ));
+		memset(lp->NetworkName, 0, (PARM_MAX_NAME_LEN + 1));
 
 		/* Make sure the value isn't too long */
-		string_length = strlen( value );
-		if ( string_length > PARM_MAX_NAME_LEN ) {
-			DBG_WARNING( DbgInfo, "SSID too long; will be truncated\n" );
+		string_length = strlen(value);
+		if (string_length > PARM_MAX_NAME_LEN) {
+			DBG_WARNING(DbgInfo, "SSID too long; will be truncated\n");
 			string_length = PARM_MAX_NAME_LEN;
 		}
 
-		memcpy( lp->NetworkName, value, string_length );
+		memcpy(lp->NetworkName, value, string_length);
 	}
 #if 0
-	else if ( strcmp( key, PARM_NAME_DOWNLOAD_FIRMWARE ) == 0 ) {
-		DBG_TRACE( DbgInfo, "DOWNLOAD_FIRMWARE, value: %s\n", value );
-		memset( lp->fw_image_filename, 0, ( MAX_LINE_SIZE + 1 ));
+	else if (strcmp(key, PARM_NAME_DOWNLOAD_FIRMWARE) == 0) {
+		DBG_TRACE(DbgInfo, "DOWNLOAD_FIRMWARE, value: %s\n", value);
+		memset(lp->fw_image_filename, 0, (MAX_LINE_SIZE + 1));
 		/* Make sure the value isn't too long */
-		string_length = strlen( value );
-		if ( string_length > MAX_LINE_SIZE ) {
-			DBG_WARNING( DbgInfo, "F/W image file name too long; will be ignored\n" );
+		string_length = strlen(value);
+		if (string_length > MAX_LINE_SIZE) {
+			DBG_WARNING(DbgInfo, "F/W image file name too long; will be ignored\n");
 		} else {
-			memcpy( lp->fw_image_filename, value, string_length );
+			memcpy(lp->fw_image_filename, value, string_length);
 		}
 	}
 #endif
-	else if ( strcmp( key, PARM_NAME_ENABLE_ENCRYPTION ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_ENABLE_ENCRYPTION, value );
+	else if (strcmp(key, PARM_NAME_ENABLE_ENCRYPTION) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_ENABLE_ENCRYPTION, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_ENABLE_ENCRYPTION ) && ( value_convert <= PARM_MAX_ENABLE_ENCRYPTION )) {
+		if ((value_convert >= PARM_MIN_ENABLE_ENCRYPTION) && (value_convert <= PARM_MAX_ENABLE_ENCRYPTION)) {
 			lp->EnableEncryption = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_ENABLE_ENCRYPTION );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_ENABLE_ENCRYPTION);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_ENCRYPTION ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_ENCRYPTION, value );
+	} else if (strcmp(key, PARM_NAME_ENCRYPTION) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_ENCRYPTION, value);
 
-		memset( lp->szEncryption, 0, sizeof( lp->szEncryption ));
+		memset(lp->szEncryption, 0, sizeof(lp->szEncryption));
 
 		/* Make sure the value isn't too long */
-		string_length = strlen( value );
-		if ( string_length > sizeof( lp->szEncryption ) ) {
-			DBG_WARNING( DbgInfo, "%s too long; will be truncated\n", PARM_NAME_ENCRYPTION );
-			string_length = sizeof( lp->szEncryption );
+		string_length = strlen(value);
+		if (string_length > sizeof(lp->szEncryption)) {
+			DBG_WARNING(DbgInfo, "%s too long; will be truncated\n", PARM_NAME_ENCRYPTION);
+			string_length = sizeof(lp->szEncryption);
 		}
 
-		memcpy( lp->szEncryption, value, string_length );
-	}
-	else if ( strcmp( key, PARM_NAME_KEY1 ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_KEY1, value );
+		memcpy(lp->szEncryption, value, string_length);
+	} else if (strcmp(key, PARM_NAME_KEY1) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_KEY1, value);
 
-		if ( is_valid_key_string( value )) {
-			memset( lp->DefaultKeys.key[0].key, 0, MAX_KEY_SIZE );
+		if (is_valid_key_string(value)) {
+			memset(lp->DefaultKeys.key[0].key, 0, MAX_KEY_SIZE);
 
-			key_string2key( value, &lp->DefaultKeys.key[0] );
+			key_string2key(value, &lp->DefaultKeys.key[0]);
 		} else {
-			 DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_KEY1 );
+			 DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_KEY1);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_KEY2 ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_KEY2, value );
+	} else if (strcmp(key, PARM_NAME_KEY2) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_KEY2, value);
 
-		if ( is_valid_key_string( value )) {
-			memset( lp->DefaultKeys.key[1].key, 0, MAX_KEY_SIZE );
+		if (is_valid_key_string(value)) {
+			memset(lp->DefaultKeys.key[1].key, 0, MAX_KEY_SIZE);
 
-			key_string2key( value, &lp->DefaultKeys.key[1] );
+			key_string2key(value, &lp->DefaultKeys.key[1]);
 		} else {
-			 DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_KEY2 );
+			 DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_KEY2);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_KEY3 ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_KEY3, value );
+	} else if (strcmp(key, PARM_NAME_KEY3) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_KEY3, value);
 
-		if ( is_valid_key_string( value )) {
-			memset( lp->DefaultKeys.key[2].key, 0, MAX_KEY_SIZE );
+		if (is_valid_key_string(value)) {
+			memset(lp->DefaultKeys.key[2].key, 0, MAX_KEY_SIZE);
 
-			key_string2key( value, &lp->DefaultKeys.key[2] );
+			key_string2key(value, &lp->DefaultKeys.key[2]);
 		} else {
-			 DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_KEY3 );
+			 DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_KEY3);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_KEY4 ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_KEY4, value );
+	} else if (strcmp(key, PARM_NAME_KEY4) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_KEY4, value);
 
-		if ( is_valid_key_string( value )) {
-			memset( lp->DefaultKeys.key[3].key, 0, MAX_KEY_SIZE );
+		if (is_valid_key_string(value)) {
+			memset(lp->DefaultKeys.key[3].key, 0, MAX_KEY_SIZE);
 
-			key_string2key( value, &lp->DefaultKeys.key[3] );
+			key_string2key(value, &lp->DefaultKeys.key[3]);
 		} else {
-			 DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_KEY4 );
+			 DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_KEY4);
 		}
 	}
 	/* New Parameters for WARP */
-	else if ( strcmp( key, PARM_NAME_LOAD_BALANCING ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_LOAD_BALANCING, value );
+	else if (strcmp(key, PARM_NAME_LOAD_BALANCING) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_LOAD_BALANCING, value);
 		lp->loadBalancing = parse_yes_no(value);
-	}
-	else if ( strcmp( key, PARM_NAME_MEDIUM_DISTRIBUTION ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_MEDIUM_DISTRIBUTION, value );
+	} else if (strcmp(key, PARM_NAME_MEDIUM_DISTRIBUTION) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_MEDIUM_DISTRIBUTION, value);
 		lp->mediumDistribution = parse_yes_no(value);
-	}
-	else if ( strcmp( key, PARM_NAME_MICROWAVE_ROBUSTNESS) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_MICROWAVE_ROBUSTNESS, value );
+	} else if (strcmp(key, PARM_NAME_MICROWAVE_ROBUSTNESS) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_MICROWAVE_ROBUSTNESS, value);
 		lp->MicrowaveRobustness = parse_yes_no(value);
-	}
-	else if ( strcmp( key, PARM_NAME_MULTICAST_RATE ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_MULTICAST_RATE, value );
+	} else if (strcmp(key, PARM_NAME_MULTICAST_RATE) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_MULTICAST_RATE, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
 
-		if (( value_convert >= PARM_MIN_MULTICAST_RATE ) && ( value_convert <= PARM_MAX_MULTICAST_RATE )) {
+		if ((value_convert >= PARM_MIN_MULTICAST_RATE) && (value_convert <= PARM_MAX_MULTICAST_RATE)) {
 			lp->MulticastRate[0] = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MULTICAST_RATE );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MULTICAST_RATE);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_OWN_CHANNEL ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_CHANNEL, value );
+	} else if (strcmp(key, PARM_NAME_OWN_CHANNEL) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_CHANNEL, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ( wl_is_a_valid_chan( value_convert )) {
-			if ( value_convert > 14 ) {
+		if (wl_is_a_valid_chan(value_convert)) {
+			if (value_convert > 14) {
 				value_convert = value_convert | 0x100;
 			}
 			lp->Channel = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_CHANNEL );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_CHANNEL);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_OWN_NAME ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_NAME, value );
+	} else if (strcmp(key, PARM_NAME_OWN_NAME) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_NAME, value);
 
-		memset( lp->StationName, 0, ( PARM_MAX_NAME_LEN + 1 ));
+		memset(lp->StationName, 0, (PARM_MAX_NAME_LEN + 1));
 
 		/* Make sure the value isn't too long */
-		string_length = strlen( value );
-		if ( string_length > PARM_MAX_NAME_LEN ) {
-			DBG_WARNING( DbgInfo, "%s too long; will be truncated\n", PARM_NAME_OWN_NAME );
+		string_length = strlen(value);
+		if (string_length > PARM_MAX_NAME_LEN) {
+			DBG_WARNING(DbgInfo, "%s too long; will be truncated\n", PARM_NAME_OWN_NAME);
 			string_length = PARM_MAX_NAME_LEN;
 		}
 
-		memcpy( lp->StationName, value, string_length );
-	}
-	else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD, value );
+		memcpy(lp->StationName, value, string_length);
+	} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
+		if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
 			lp->RTSThreshold = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_SRSC_2GHZ ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_SRSC_2GHZ, value );
+	} else if (strcmp(key, PARM_NAME_SRSC_2GHZ) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_SRSC_2GHZ, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_SRSC ) || ( value_convert <= PARM_MAX_SRSC )) {
+		if ((value_convert >= PARM_MIN_SRSC) || (value_convert <= PARM_MAX_SRSC)) {
 			lp->srsc[0] = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_SRSC_2GHZ );
+			DBG_WARNING(DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_SRSC_2GHZ);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_SRSC_5GHZ ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_SRSC_5GHZ, value );
+	} else if (strcmp(key, PARM_NAME_SRSC_5GHZ) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_SRSC_5GHZ, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_SRSC ) || ( value_convert <= PARM_MAX_SRSC )) {
+		if ((value_convert >= PARM_MIN_SRSC) || (value_convert <= PARM_MAX_SRSC)) {
 			lp->srsc[1] = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_SRSC_5GHZ );
+			DBG_WARNING(DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_SRSC_5GHZ);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_SYSTEM_SCALE ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_SYSTEM_SCALE, value );
+	} else if (strcmp(key, PARM_NAME_SYSTEM_SCALE) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_SYSTEM_SCALE, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_SYSTEM_SCALE ) && ( value_convert <= PARM_MAX_SYSTEM_SCALE )) {
+		if ((value_convert >= PARM_MIN_SYSTEM_SCALE) && (value_convert <= PARM_MAX_SYSTEM_SCALE)) {
 			lp->DistanceBetweenAPs = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_SYSTEM_SCALE );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_SYSTEM_SCALE);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_TX_KEY ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_KEY, value );
+	} else if (strcmp(key, PARM_NAME_TX_KEY) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_KEY, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_TX_KEY ) && ( value_convert <= PARM_MAX_TX_KEY )) {
+		if ((value_convert >= PARM_MIN_TX_KEY) && (value_convert <= PARM_MAX_TX_KEY)) {
 			lp->TransmitKeyID = simple_strtoul(value, NULL, 0);
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_KEY );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_KEY);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_TX_RATE ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE, value );
+	} else if (strcmp(key, PARM_NAME_TX_RATE) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
+		if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
 			lp->TxRateControl[0] = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE);
 		}
-	}
-	else if ( strcmp( key, PARM_NAME_TX_POW_LEVEL ) == 0 ) {
-		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_POW_LEVEL, value );
+	} else if (strcmp(key, PARM_NAME_TX_POW_LEVEL) == 0) {
+		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_POW_LEVEL, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if (( value_convert >= PARM_MIN_TX_POW_LEVEL ) || ( value_convert <= PARM_MAX_TX_POW_LEVEL )) {
+		if ((value_convert >= PARM_MIN_TX_POW_LEVEL) || (value_convert <= PARM_MAX_TX_POW_LEVEL)) {
 			lp->txPowLevel = value_convert;
 		} else {
-			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_POW_LEVEL );
+			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_POW_LEVEL);
 		}
 	}
 
@@ -640,101 +622,91 @@ void translate_option( char *buffer, struct wl_private *lp )
 	/* Configuration parameters specific to STA mode */
 #if 1 //;? (HCF_TYPE) & HCF_TYPE_STA
 //;?seems reasonable that even an AP-only driver could afford this small additional footprint
-	if ( CNV_INT_TO_LITTLE( lp->hcfCtx.IFB_FWIdentity.comp_id ) == COMP_ID_FW_STA  ) {
+	if (CNV_INT_TO_LITTLE(lp->hcfCtx.IFB_FWIdentity.comp_id) == COMP_ID_FW_STA) {
 					//;?should we return an error status in AP mode
-		if ( strcmp( key, PARM_NAME_PORT_TYPE ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_PORT_TYPE, value );
+		if (strcmp(key, PARM_NAME_PORT_TYPE) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PORT_TYPE, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert == PARM_MIN_PORT_TYPE ) || ( value_convert == PARM_MAX_PORT_TYPE )) {
+			if ((value_convert == PARM_MIN_PORT_TYPE) || (value_convert == PARM_MAX_PORT_TYPE)) {
 				lp->PortType = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PORT_TYPE );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PORT_TYPE);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_PM_ENABLED ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_PM_ENABLED, value );
+		} else if (strcmp(key, PARM_NAME_PM_ENABLED) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PM_ENABLED, value);
 			value_convert = simple_strtoul(value, NULL, 0);
 	/* ;? how about wl_main.c containing
-	 * VALID_PARAM( PARM_PM_ENABLED <= WVLAN_PM_STATE_STANDARD ||
-	 *					 ( PARM_PM_ENABLED & 0x7FFF ) <= WVLAN_PM_STATE_STANDARD );
+	 * VALID_PARAM(PARM_PM_ENABLED <= WVLAN_PM_STATE_STANDARD ||
+	 *					 (PARM_PM_ENABLED & 0x7FFF) <= WVLAN_PM_STATE_STANDARD);
 	 */
-			if ( ( value_convert & 0x7FFF ) <= PARM_MAX_PM_ENABLED) {
+			if ((value_convert & 0x7FFF) <= PARM_MAX_PM_ENABLED) {
 				lp->PMEnabled = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PM_ENABLED );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PM_ENABLED);
 				//;?this is a data entry error, hence not a DBG_WARNING
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_CREATE_IBSS ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_CREATE_IBSS, value );
+		} else if (strcmp(key, PARM_NAME_CREATE_IBSS) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_CREATE_IBSS, value);
 			lp->CreateIBSS = parse_yes_no(value);
-		}
-		else if ( strcmp( key, PARM_NAME_MULTICAST_RX ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_MULTICAST_RX, value );
+		} else if (strcmp(key, PARM_NAME_MULTICAST_RX) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_MULTICAST_RX, value);
 			lp->MulticastReceive = parse_yes_no(value);
-		}
-		else if ( strcmp( key, PARM_NAME_MAX_SLEEP ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_MAX_SLEEP, value );
+		} else if (strcmp(key, PARM_NAME_MAX_SLEEP) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_MAX_SLEEP, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= 0 ) && ( value_convert <= 65535 )) {
+			if ((value_convert >= 0) && (value_convert <= 65535)) {
 				lp->MaxSleepDuration = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MAX_SLEEP );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MAX_SLEEP);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_NETWORK_ADDR ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_NETWORK_ADDR, value );
+		} else if (strcmp(key, PARM_NAME_NETWORK_ADDR) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_NETWORK_ADDR, value);
 
-			if ( parse_mac_address( value, mac_value ) == ETH_ALEN ) {
-				memcpy( lp->MACAddress, mac_value, ETH_ALEN );
+			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+				memcpy(lp->MACAddress, mac_value, ETH_ALEN);
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_NETWORK_ADDR );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_NETWORK_ADDR);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_AUTHENTICATION ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_AUTHENTICATION, value );
+		} else if (strcmp(key, PARM_NAME_AUTHENTICATION) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_AUTHENTICATION, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_AUTHENTICATION ) && ( value_convert <= PARM_MAX_AUTHENTICATION )) {
+			if ((value_convert >= PARM_MIN_AUTHENTICATION) && (value_convert <= PARM_MAX_AUTHENTICATION)) {
 				lp->authentication = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_AUTHENTICATION );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_AUTHENTICATION);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_OWN_ATIM_WINDOW ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_ATIM_WINDOW, value );
+		} else if (strcmp(key, PARM_NAME_OWN_ATIM_WINDOW) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_ATIM_WINDOW, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_OWN_ATIM_WINDOW ) && ( value_convert <= PARM_MAX_OWN_ATIM_WINDOW )) {
+			if ((value_convert >= PARM_MIN_OWN_ATIM_WINDOW) && (value_convert <= PARM_MAX_OWN_ATIM_WINDOW)) {
 				lp->atimWindow = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_ATIM_WINDOW );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_ATIM_WINDOW);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_PM_HOLDOVER_DURATION ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_PM_HOLDOVER_DURATION, value );
+		} else if (strcmp(key, PARM_NAME_PM_HOLDOVER_DURATION) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PM_HOLDOVER_DURATION, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_PM_HOLDOVER_DURATION ) && ( value_convert <= PARM_MAX_PM_HOLDOVER_DURATION )) {
+			if ((value_convert >= PARM_MIN_PM_HOLDOVER_DURATION) && (value_convert <= PARM_MAX_PM_HOLDOVER_DURATION)) {
 				lp->holdoverDuration = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PM_HOLDOVER_DURATION );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PM_HOLDOVER_DURATION);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_PROMISCUOUS_MODE ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_PROMISCUOUS_MODE, value );
+		} else if (strcmp(key, PARM_NAME_PROMISCUOUS_MODE) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PROMISCUOUS_MODE, value);
 			lp->promiscuousMode = parse_yes_no(value);
-		}
-		else if ( strcmp( key, PARM_NAME_CONNECTION_CONTROL ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_CONNECTION_CONTROL, value );
+		} else if (strcmp(key, PARM_NAME_CONNECTION_CONTROL) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_CONNECTION_CONTROL, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_CONNECTION_CONTROL ) && ( value_convert <= PARM_MAX_CONNECTION_CONTROL )) {
+			if ((value_convert >= PARM_MIN_CONNECTION_CONTROL) && (value_convert <= PARM_MAX_CONNECTION_CONTROL)) {
 				lp->connectionControl = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_CONNECTION_CONTROL );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_CONNECTION_CONTROL);
 			}
 		}
 
@@ -745,227 +717,204 @@ void translate_option( char *buffer, struct wl_private *lp )
 	/* Configuration parameters specific to AP mode */
 #if 1 //;? (HCF_TYPE) & HCF_TYPE_AP
 		//;?should we restore this to allow smaller memory footprint
-	if ( CNV_INT_TO_LITTLE( lp->hcfCtx.IFB_FWIdentity.comp_id ) == COMP_ID_FW_AP  ) {
-		if ( strcmp( key, PARM_NAME_OWN_DTIM_PERIOD ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_DTIM_PERIOD, value );
+	if (CNV_INT_TO_LITTLE(lp->hcfCtx.IFB_FWIdentity.comp_id) == COMP_ID_FW_AP) {
+		if (strcmp(key, PARM_NAME_OWN_DTIM_PERIOD) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_DTIM_PERIOD, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ( value_convert >= PARM_MIN_OWN_DTIM_PERIOD ) {
+			if (value_convert >= PARM_MIN_OWN_DTIM_PERIOD) {
 				lp->DTIMPeriod = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_DTIM_PERIOD );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_DTIM_PERIOD);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_REJECT_ANY ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_REJECT_ANY, value );
+		} else if (strcmp(key, PARM_NAME_REJECT_ANY) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_REJECT_ANY, value);
 			lp->RejectAny = parse_yes_no(value);
-		}
-		else if ( strcmp( key, PARM_NAME_EXCLUDE_UNENCRYPTED ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_EXCLUDE_UNENCRYPTED, value );
+		} else if (strcmp(key, PARM_NAME_EXCLUDE_UNENCRYPTED) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_EXCLUDE_UNENCRYPTED, value);
 			lp->ExcludeUnencrypted = parse_yes_no(value);
-		}
-		else if ( strcmp( key, PARM_NAME_MULTICAST_PM_BUFFERING ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_MULTICAST_PM_BUFFERING, value );
+		} else if (strcmp(key, PARM_NAME_MULTICAST_PM_BUFFERING) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_MULTICAST_PM_BUFFERING, value);
 			lp->ExcludeUnencrypted = parse_yes_no(value);
-		}
-		else if ( strcmp( key, PARM_NAME_INTRA_BSS_RELAY ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_INTRA_BSS_RELAY, value );
+		} else if (strcmp(key, PARM_NAME_INTRA_BSS_RELAY) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_INTRA_BSS_RELAY, value);
 			lp->ExcludeUnencrypted = parse_yes_no(value);
-		}
-		else if ( strcmp( key, PARM_NAME_OWN_BEACON_INTERVAL ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_BEACON_INTERVAL, value );
+		} else if (strcmp(key, PARM_NAME_OWN_BEACON_INTERVAL) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_BEACON_INTERVAL, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ( value_convert >= PARM_MIN_OWN_BEACON_INTERVAL ) {
+			if (value_convert >= PARM_MIN_OWN_BEACON_INTERVAL) {
 				lp->ownBeaconInterval = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_BEACON_INTERVAL );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_BEACON_INTERVAL);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_COEXISTENCE ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_COEXISTENCE, value );
+		} else if (strcmp(key, PARM_NAME_COEXISTENCE) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_COEXISTENCE, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ( value_convert >= PARM_MIN_COEXISTENCE ) {
+			if (value_convert >= PARM_MIN_COEXISTENCE) {
 				lp->coexistence = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_COEXISTENCE );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_COEXISTENCE);
 			}
 		}
 
 #ifdef USE_WDS
-		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD1 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD1, value );
+		else if (strcmp(key, PARM_NAME_RTS_THRESHOLD1) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD1, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
 				lp->wds_port[0].rtsThreshold = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD1 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD1);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD2 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD2, value );
+		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD2) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD2, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
 				lp->wds_port[1].rtsThreshold = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD2 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD2);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD3 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD3, value );
+		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD3) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD3, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
 				lp->wds_port[2].rtsThreshold = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD3 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD3);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD4 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD4, value );
+		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD4) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD4, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
 				lp->wds_port[3].rtsThreshold = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD4 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD4);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD5 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD5, value );
+		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD5) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD5, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
 				lp->wds_port[4].rtsThreshold = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD5 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD5);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD6 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD6, value );
+		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD6) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD6, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
 				lp->wds_port[5].rtsThreshold = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD6 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD6);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_TX_RATE1 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE1, value );
+		} else if (strcmp(key, PARM_NAME_TX_RATE1) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE1, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
 				lp->wds_port[0].txRateCntl = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE1 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE1);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_TX_RATE2 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE2, value );
+		} else if (strcmp(key, PARM_NAME_TX_RATE2) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE2, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
 				lp->wds_port[1].txRateCntl = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE2 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE2);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_TX_RATE3 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE3, value );
+		} else if (strcmp(key, PARM_NAME_TX_RATE3) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE3, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
 				lp->wds_port[2].txRateCntl = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE3 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE3);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_TX_RATE4 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE4, value );
+		} else if (strcmp(key, PARM_NAME_TX_RATE4) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE4, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
 				lp->wds_port[3].txRateCntl = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE4 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE4);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_TX_RATE5 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE5, value );
+		} else if (strcmp(key, PARM_NAME_TX_RATE5) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE5, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
 				lp->wds_port[4].txRateCntl = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE5 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE5);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_TX_RATE6 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE6, value );
+		} else if (strcmp(key, PARM_NAME_TX_RATE6) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE6, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
 				lp->wds_port[5].txRateCntl = value_convert;
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE6 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE6);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_WDS_ADDRESS1 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS1, value );
+		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS1) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS1, value);
 
-			if ( parse_mac_address( value, mac_value ) == ETH_ALEN ) {
-				memcpy( lp->wds_port[0].wdsAddress, mac_value, ETH_ALEN );
+			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+				memcpy(lp->wds_port[0].wdsAddress, mac_value, ETH_ALEN);
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS1 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS1);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_WDS_ADDRESS2 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS2, value );
+		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS2) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS2, value);
 
-			if ( parse_mac_address( value, mac_value ) == ETH_ALEN ) {
-				memcpy( lp->wds_port[1].wdsAddress, mac_value, ETH_ALEN );
+			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+				memcpy(lp->wds_port[1].wdsAddress, mac_value, ETH_ALEN);
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS2 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS2);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_WDS_ADDRESS3 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS3, value );
+		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS3) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS3, value);
 
-			if ( parse_mac_address( value, mac_value ) == ETH_ALEN ) {
-				memcpy( lp->wds_port[2].wdsAddress, mac_value, ETH_ALEN );
+			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+				memcpy(lp->wds_port[2].wdsAddress, mac_value, ETH_ALEN);
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS3 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS3);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_WDS_ADDRESS4 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS4, value );
+		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS4) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS4, value);
 
-			if ( parse_mac_address( value, mac_value ) == ETH_ALEN ) {
-				memcpy( lp->wds_port[3].wdsAddress, mac_value, ETH_ALEN );
+			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+				memcpy(lp->wds_port[3].wdsAddress, mac_value, ETH_ALEN);
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS4 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS4);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_WDS_ADDRESS5 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS5, value );
+		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS5) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS5, value);
 
-			if ( parse_mac_address( value, mac_value ) == ETH_ALEN ) {
-				memcpy( lp->wds_port[4].wdsAddress, mac_value, ETH_ALEN );
+			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+				memcpy(lp->wds_port[4].wdsAddress, mac_value, ETH_ALEN);
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS5 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS5);
 			}
-		}
-		else if ( strcmp( key, PARM_NAME_WDS_ADDRESS6 ) == 0 ) {
-			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS6, value );
+		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS6) == 0) {
+			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS6, value);
 
-			if ( parse_mac_address( value, mac_value ) == ETH_ALEN ) {
-				memcpy( lp->wds_port[5].wdsAddress, mac_value, ETH_ALEN );
+			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+				memcpy(lp->wds_port[5].wdsAddress, mac_value, ETH_ALEN);
 			} else {
-				DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS6 );
+				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS6);
 			}
 		}
 #endif  /* USE_WDS */
@@ -996,7 +945,7 @@ void translate_option( char *buffer, struct wl_private *lp )
  *      The number of bytes in the final MAC address, should equal to ETH_ALEN.
  *
  ******************************************************************************/
-int parse_mac_address( char *value, u_char *byte_array )
+int parse_mac_address(char *value, u_char *byte_array)
 {
 	int     value_offset = 0;
 	int     array_offset = 0;
@@ -1004,11 +953,11 @@ int parse_mac_address( char *value, u_char *byte_array )
 	char    byte_field[3];
 	/*------------------------------------------------------------------------*/
 
-	memset( byte_field, '\0', 3 );
+	memset(byte_field, '\0', 3);
 
-	while( value[value_offset] != '\0' ) {
+	while (value[value_offset] != '\0') {
 		/* Skip over the colon chars seperating the bytes, if they exist */
-		if ( value[value_offset] == ':' ) {
+		if (value[value_offset] == ':') {
 			value_offset++;
 			continue;
 		}
@@ -1018,9 +967,9 @@ int parse_mac_address( char *value, u_char *byte_array )
 		value_offset++;
 
 		/* Once the byte_field is filled, convert it and store it */
-		if ( field_offset == 2 ) {
+		if (field_offset == 2) {
 			byte_field[field_offset] = '\0';
-			byte_array[array_offset] = simple_strtoul( byte_field, NULL, 16 );
+			byte_array[array_offset] = simple_strtoul(byte_field, NULL, 16);
 			field_offset = 0;
 			array_offset++;
 		}
@@ -1052,42 +1001,42 @@ int parse_mac_address( char *value, u_char *byte_array )
  *      N/A
  *
  ******************************************************************************/
-void ParseConfigLine( char *pszLine, char **ppszLVal, char **ppszRVal )
+void ParseConfigLine(char *pszLine, char **ppszLVal, char **ppszRVal)
 {
 	int i;
 	int size;
 	/*------------------------------------------------------------------------*/
 
-	DBG_FUNC( "ParseConfigLine" );
-	DBG_ENTER( DbgInfo );
+	DBG_FUNC("ParseConfigLine");
+	DBG_ENTER(DbgInfo);
 
 	/* get a snapshot of our string size */
-	size      = strlen( pszLine );
+	size      = strlen(pszLine);
 	*ppszLVal = NULL;
 	*ppszRVal = NULL;
 
-	if ( pszLine[0] != '#' &&							/* skip the line if it is a comment */
-		 pszLine[0] != '\n'&&							/* if it's an empty UNIX line, do nothing */
-		 !( pszLine[0] == '\r' && pszLine[1] == '\n' )	/* if it's an empty MS-DOS line, do nothing */
-	    ) {
+	if (pszLine[0] != '#' &&							/* skip the line if it is a comment */
+		 pszLine[0] != '\n' &&							/* if it's an empty UNIX line, do nothing */
+		 !(pszLine[0] == '\r' && pszLine[1] == '\n')	/* if it's an empty MS-DOS line, do nothing */
+	   ) {
 		/* advance past any whitespace, and assign the L-value */
-		for( i = 0; i < size; i++ ) {
-			if ( pszLine[i] != ' ' ) {
+		for (i = 0; i < size; i++) {
+			if (pszLine[i] != ' ') {
 				*ppszLVal = &pszLine[i];
 				break;
 			}
 		}
 		/* advance to the end of the l-value*/
-		for( i++; i < size; i++ ) {
-			if ( pszLine[i] == ' ' || pszLine[i] == '=' ) {
+		for (i++; i < size; i++) {
+			if (pszLine[i] == ' ' || pszLine[i] == '=') {
 				pszLine[i] = '\0';
 				break;
 			}
 		}
 		/* make any whitespace and the equal sign a NULL character, and
 		   advance to the R-Value */
-		for( i++; i < size; i++ ) {
-			if ( pszLine[i] == ' ' || pszLine[i] == '=' ) {
+		for (i++; i < size; i++) {
+			if (pszLine[i] == ' ' || pszLine[i] == '=') {
 				pszLine[i] = '\0';
 				continue;
 			}
@@ -1095,16 +1044,16 @@ void ParseConfigLine( char *pszLine, char **ppszLVal, char **ppszRVal )
 			break;
 		}
 		/* make the line ending character(s) a NULL */
-		for( i++; i < size; i++ ) {
-			if ( pszLine[i] == '\n' ) {
+		for (i++; i < size; i++) {
+			if (pszLine[i] == '\n') {
 				pszLine[i] = '\0';
 			}
-			if (( pszLine[i] == '\r' ) && ( pszLine[i+1] == '\n' )) {
+			if ((pszLine[i] == '\r') && (pszLine[i+1] == '\n')) {
 				pszLine[i] = '\0';
 			}
 		}
 	}
-	DBG_LEAVE( DbgInfo );
+	DBG_LEAVE(DbgInfo);
 } // ParseConfigLine
 /*============================================================================*/
 

From ce7f6389790f24e07e7e32518c798451e799a830 Mon Sep 17 00:00:00 2001
From: "Prashant P. Shah" <pshah.mumbai@gmail.com>
Date: Sun, 9 May 2010 22:41:46 +0530
Subject: [PATCH 1341/3638] Staging: wlags49_h2: fixed unnecessary braces
 issues in wl_profile.c

This is a patch to the wl_profile.c file that fixes the unnecessary braces
style issues found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/wl_profile.c | 228 ++++++++++--------------
 1 file changed, 90 insertions(+), 138 deletions(-)

diff --git a/drivers/staging/wlags49_h2/wl_profile.c b/drivers/staging/wlags49_h2/wl_profile.c
index e4e78a4ace1..13ade703573 100644
--- a/drivers/staging/wlags49_h2/wl_profile.c
+++ b/drivers/staging/wlags49_h2/wl_profile.c
@@ -189,9 +189,8 @@ void parse_config(struct net_device *dev)
 		DBG_TRACE(DbgInfo, "Wireless config file found. Parsing options...\n");
 
 		/* Read out the options */
-		while (readline(file_desc, buffer)) {
+		while (readline(file_desc, buffer))
 			translate_option(buffer, wvlan_config);
-		}
 		/* Close the file */
 		close(file_desc);	//;?even if file_desc == -1 ???
 	} else {
@@ -259,9 +258,8 @@ void parse_config(struct net_device *dev)
 				} else if (rc > 0) {
 					DBG_TRACE(DbgInfo, "read O.K.: %d bytes  %.12s\n", rc, cp);
 					rc = read(file_desc, &cp[rc], 1);
-					if (rc == 0) {
+					if (rc == 0)
 						DBG_TRACE(DbgInfo, "no more to read\n");
-					}
 				}
 				if (rc != 0) {
 					DBG_ERROR(DbgInfo, "file not read in one swoop or other error"\
@@ -320,11 +318,10 @@ int readline(int filedesc, char *buffer)
 	}
 
 	/* Return the number of bytes read */
-	if (result == -1) {
+	if (result == -1)
 		return result;
-	} else {
+	else
 		return bytes_read;
-	}
 } // readline
 /*============================================================================*/
 
@@ -366,9 +363,8 @@ void translate_option(char *buffer, struct wl_private *lp)
 
 	ParseConfigLine(buffer, &key, &value);
 
-	if (key == NULL || value == NULL) {
+	if (key == NULL || value == NULL)
 		return;
-	}
 
 	/* Determine which key it is and perform the appropriate action */
 
@@ -394,29 +390,26 @@ void translate_option(char *buffer, struct wl_private *lp)
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_AUTH_KEY_MGMT_SUITE, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_AUTH_KEY_MGMT_SUITE) || (value_convert <= PARM_MAX_AUTH_KEY_MGMT_SUITE)) {
+		if ((value_convert >= PARM_MIN_AUTH_KEY_MGMT_SUITE) || (value_convert <= PARM_MAX_AUTH_KEY_MGMT_SUITE))
 			lp->AuthKeyMgmtSuite = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_AUTH_KEY_MGMT_SUITE);
-		}
 	} else if (strcmp(key, PARM_NAME_BRSC_2GHZ) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_BRSC_2GHZ, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_BRSC) || (value_convert <= PARM_MAX_BRSC)) {
+		if ((value_convert >= PARM_MIN_BRSC) || (value_convert <= PARM_MAX_BRSC))
 			lp->brsc[0] = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_BRSC_2GHZ);
-		}
 	} else if (strcmp(key, PARM_NAME_BRSC_5GHZ) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_BRSC_5GHZ, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_BRSC) || (value_convert <= PARM_MAX_BRSC)) {
+		if ((value_convert >= PARM_MIN_BRSC) || (value_convert <= PARM_MAX_BRSC))
 			lp->brsc[1] = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_BRSC_5GHZ);
-		}
 	} else if ((strcmp(key, PARM_NAME_DESIRED_SSID) == 0) || (strcmp(key, PARM_NAME_OWN_SSID) == 0)) {
 		DBG_TRACE(DbgInfo, "SSID, value: %s\n", value);
 
@@ -437,22 +430,20 @@ void translate_option(char *buffer, struct wl_private *lp)
 		memset(lp->fw_image_filename, 0, (MAX_LINE_SIZE + 1));
 		/* Make sure the value isn't too long */
 		string_length = strlen(value);
-		if (string_length > MAX_LINE_SIZE) {
+		if (string_length > MAX_LINE_SIZE)
 			DBG_WARNING(DbgInfo, "F/W image file name too long; will be ignored\n");
-		} else {
+		else
 			memcpy(lp->fw_image_filename, value, string_length);
-		}
 	}
 #endif
 	else if (strcmp(key, PARM_NAME_ENABLE_ENCRYPTION) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_ENABLE_ENCRYPTION, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_ENABLE_ENCRYPTION) && (value_convert <= PARM_MAX_ENABLE_ENCRYPTION)) {
+		if ((value_convert >= PARM_MIN_ENABLE_ENCRYPTION) && (value_convert <= PARM_MAX_ENABLE_ENCRYPTION))
 			lp->EnableEncryption = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_ENABLE_ENCRYPTION);
-		}
 	} else if (strcmp(key, PARM_NAME_ENCRYPTION) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_ENCRYPTION, value);
 
@@ -522,19 +513,17 @@ void translate_option(char *buffer, struct wl_private *lp)
 
 		value_convert = simple_strtoul(value, NULL, 0);
 
-		if ((value_convert >= PARM_MIN_MULTICAST_RATE) && (value_convert <= PARM_MAX_MULTICAST_RATE)) {
+		if ((value_convert >= PARM_MIN_MULTICAST_RATE) && (value_convert <= PARM_MAX_MULTICAST_RATE))
 			lp->MulticastRate[0] = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MULTICAST_RATE);
-		}
 	} else if (strcmp(key, PARM_NAME_OWN_CHANNEL) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_CHANNEL, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
 		if (wl_is_a_valid_chan(value_convert)) {
-			if (value_convert > 14) {
+			if (value_convert > 14)
 				value_convert = value_convert | 0x100;
-			}
 			lp->Channel = value_convert;
 		} else {
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_CHANNEL);
@@ -556,65 +545,58 @@ void translate_option(char *buffer, struct wl_private *lp)
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
+		if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD))
 			lp->RTSThreshold = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD);
-		}
 	} else if (strcmp(key, PARM_NAME_SRSC_2GHZ) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_SRSC_2GHZ, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_SRSC) || (value_convert <= PARM_MAX_SRSC)) {
+		if ((value_convert >= PARM_MIN_SRSC) || (value_convert <= PARM_MAX_SRSC))
 			lp->srsc[0] = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_SRSC_2GHZ);
-		}
 	} else if (strcmp(key, PARM_NAME_SRSC_5GHZ) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_SRSC_5GHZ, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_SRSC) || (value_convert <= PARM_MAX_SRSC)) {
+		if ((value_convert >= PARM_MIN_SRSC) || (value_convert <= PARM_MAX_SRSC))
 			lp->srsc[1] = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invaid; will be ignored\n", PARM_NAME_SRSC_5GHZ);
-		}
 	} else if (strcmp(key, PARM_NAME_SYSTEM_SCALE) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_SYSTEM_SCALE, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_SYSTEM_SCALE) && (value_convert <= PARM_MAX_SYSTEM_SCALE)) {
+		if ((value_convert >= PARM_MIN_SYSTEM_SCALE) && (value_convert <= PARM_MAX_SYSTEM_SCALE))
 			lp->DistanceBetweenAPs = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_SYSTEM_SCALE);
-		}
 	} else if (strcmp(key, PARM_NAME_TX_KEY) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_KEY, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_TX_KEY) && (value_convert <= PARM_MAX_TX_KEY)) {
+		if ((value_convert >= PARM_MIN_TX_KEY) && (value_convert <= PARM_MAX_TX_KEY))
 			lp->TransmitKeyID = simple_strtoul(value, NULL, 0);
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_KEY);
-		}
 	} else if (strcmp(key, PARM_NAME_TX_RATE) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
+		if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE))
 			lp->TxRateControl[0] = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE);
-		}
 	} else if (strcmp(key, PARM_NAME_TX_POW_LEVEL) == 0) {
 		DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_POW_LEVEL, value);
 
 		value_convert = simple_strtoul(value, NULL, 0);
-		if ((value_convert >= PARM_MIN_TX_POW_LEVEL) || (value_convert <= PARM_MAX_TX_POW_LEVEL)) {
+		if ((value_convert >= PARM_MIN_TX_POW_LEVEL) || (value_convert <= PARM_MAX_TX_POW_LEVEL))
 			lp->txPowLevel = value_convert;
-		} else {
+		else
 			DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_POW_LEVEL);
-		}
 	}
 
 	/* Need to add? : Country code, Short/Long retry */
@@ -628,11 +610,10 @@ void translate_option(char *buffer, struct wl_private *lp)
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PORT_TYPE, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert == PARM_MIN_PORT_TYPE) || (value_convert == PARM_MAX_PORT_TYPE)) {
+			if ((value_convert == PARM_MIN_PORT_TYPE) || (value_convert == PARM_MAX_PORT_TYPE))
 				lp->PortType = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PORT_TYPE);
-			}
 		} else if (strcmp(key, PARM_NAME_PM_ENABLED) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PM_ENABLED, value);
 			value_convert = simple_strtoul(value, NULL, 0);
@@ -656,46 +637,41 @@ void translate_option(char *buffer, struct wl_private *lp)
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_MAX_SLEEP, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= 0) && (value_convert <= 65535)) {
+			if ((value_convert >= 0) && (value_convert <= 65535))
 				lp->MaxSleepDuration = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MAX_SLEEP);
-			}
 		} else if (strcmp(key, PARM_NAME_NETWORK_ADDR) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_NETWORK_ADDR, value);
 
-			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+			if (parse_mac_address(value, mac_value) == ETH_ALEN)
 				memcpy(lp->MACAddress, mac_value, ETH_ALEN);
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_NETWORK_ADDR);
-			}
 		} else if (strcmp(key, PARM_NAME_AUTHENTICATION) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_AUTHENTICATION, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_AUTHENTICATION) && (value_convert <= PARM_MAX_AUTHENTICATION)) {
+			if ((value_convert >= PARM_MIN_AUTHENTICATION) && (value_convert <= PARM_MAX_AUTHENTICATION))
 				lp->authentication = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_AUTHENTICATION);
-			}
 		} else if (strcmp(key, PARM_NAME_OWN_ATIM_WINDOW) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_ATIM_WINDOW, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_OWN_ATIM_WINDOW) && (value_convert <= PARM_MAX_OWN_ATIM_WINDOW)) {
+			if ((value_convert >= PARM_MIN_OWN_ATIM_WINDOW) && (value_convert <= PARM_MAX_OWN_ATIM_WINDOW))
 				lp->atimWindow = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_ATIM_WINDOW);
-			}
 		} else if (strcmp(key, PARM_NAME_PM_HOLDOVER_DURATION) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PM_HOLDOVER_DURATION, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_PM_HOLDOVER_DURATION) && (value_convert <= PARM_MAX_PM_HOLDOVER_DURATION)) {
+			if ((value_convert >= PARM_MIN_PM_HOLDOVER_DURATION) && (value_convert <= PARM_MAX_PM_HOLDOVER_DURATION))
 				lp->holdoverDuration = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PM_HOLDOVER_DURATION);
-			}
 		} else if (strcmp(key, PARM_NAME_PROMISCUOUS_MODE) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PROMISCUOUS_MODE, value);
 			lp->promiscuousMode = parse_yes_no(value);
@@ -703,11 +679,10 @@ void translate_option(char *buffer, struct wl_private *lp)
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_CONNECTION_CONTROL, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_CONNECTION_CONTROL) && (value_convert <= PARM_MAX_CONNECTION_CONTROL)) {
+			if ((value_convert >= PARM_MIN_CONNECTION_CONTROL) && (value_convert <= PARM_MAX_CONNECTION_CONTROL))
 				lp->connectionControl = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_CONNECTION_CONTROL);
-			}
 		}
 
 		/* Need to add? : Probe Data Rate */
@@ -722,11 +697,10 @@ void translate_option(char *buffer, struct wl_private *lp)
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_DTIM_PERIOD, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (value_convert >= PARM_MIN_OWN_DTIM_PERIOD) {
+			if (value_convert >= PARM_MIN_OWN_DTIM_PERIOD)
 				lp->DTIMPeriod = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_DTIM_PERIOD);
-			}
 		} else if (strcmp(key, PARM_NAME_REJECT_ANY) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_REJECT_ANY, value);
 			lp->RejectAny = parse_yes_no(value);
@@ -743,20 +717,18 @@ void translate_option(char *buffer, struct wl_private *lp)
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_BEACON_INTERVAL, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (value_convert >= PARM_MIN_OWN_BEACON_INTERVAL) {
+			if (value_convert >= PARM_MIN_OWN_BEACON_INTERVAL)
 				lp->ownBeaconInterval = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_OWN_BEACON_INTERVAL);
-			}
 		} else if (strcmp(key, PARM_NAME_COEXISTENCE) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_COEXISTENCE, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if (value_convert >= PARM_MIN_COEXISTENCE) {
+			if (value_convert >= PARM_MIN_COEXISTENCE)
 				lp->coexistence = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_COEXISTENCE);
-			}
 		}
 
 #ifdef USE_WDS
@@ -764,158 +736,140 @@ void translate_option(char *buffer, struct wl_private *lp)
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD1, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD))
 				lp->wds_port[0].rtsThreshold = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD1);
-			}
 		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD2) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD2, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD))
 				lp->wds_port[1].rtsThreshold = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD2);
-			}
 		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD3) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD3, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD))
 				lp->wds_port[2].rtsThreshold = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD3);
-			}
 		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD4) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD4, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD))
 				lp->wds_port[3].rtsThreshold = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD4);
-			}
 		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD5) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD5, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD))
 				lp->wds_port[4].rtsThreshold = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD5);
-			}
 		} else if (strcmp(key, PARM_NAME_RTS_THRESHOLD6) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD6, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD)) {
+			if ((value_convert >= PARM_MIN_RTS_THRESHOLD) && (value_convert <= PARM_MAX_RTS_THRESHOLD))
 				lp->wds_port[5].rtsThreshold = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_RTS_THRESHOLD6);
-			}
 		} else if (strcmp(key, PARM_NAME_TX_RATE1) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE1, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE))
 				lp->wds_port[0].txRateCntl = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE1);
-			}
 		} else if (strcmp(key, PARM_NAME_TX_RATE2) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE2, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE))
 				lp->wds_port[1].txRateCntl = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE2);
-			}
 		} else if (strcmp(key, PARM_NAME_TX_RATE3) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE3, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE))
 				lp->wds_port[2].txRateCntl = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE3);
-			}
 		} else if (strcmp(key, PARM_NAME_TX_RATE4) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE4, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE))
 				lp->wds_port[3].txRateCntl = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE4);
-			}
 		} else if (strcmp(key, PARM_NAME_TX_RATE5) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE5, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE))
 				lp->wds_port[4].txRateCntl = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE5);
-			}
 		} else if (strcmp(key, PARM_NAME_TX_RATE6) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE6, value);
 
 			value_convert = simple_strtoul(value, NULL, 0);
-			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE)) {
+			if ((value_convert >= PARM_MIN_TX_RATE) && (value_convert <= PARM_MAX_TX_RATE))
 				lp->wds_port[5].txRateCntl = value_convert;
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_RATE6);
-			}
 		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS1) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS1, value);
 
-			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+			if (parse_mac_address(value, mac_value) == ETH_ALEN)
 				memcpy(lp->wds_port[0].wdsAddress, mac_value, ETH_ALEN);
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS1);
-			}
 		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS2) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS2, value);
 
-			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+			if (parse_mac_address(value, mac_value) == ETH_ALEN)
 				memcpy(lp->wds_port[1].wdsAddress, mac_value, ETH_ALEN);
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS2);
-			}
 		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS3) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS3, value);
 
-			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+			if (parse_mac_address(value, mac_value) == ETH_ALEN)
 				memcpy(lp->wds_port[2].wdsAddress, mac_value, ETH_ALEN);
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS3);
-			}
 		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS4) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS4, value);
 
-			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+			if (parse_mac_address(value, mac_value) == ETH_ALEN)
 				memcpy(lp->wds_port[3].wdsAddress, mac_value, ETH_ALEN);
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS4);
-			}
 		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS5) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS5, value);
 
-			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+			if (parse_mac_address(value, mac_value) == ETH_ALEN)
 				memcpy(lp->wds_port[4].wdsAddress, mac_value, ETH_ALEN);
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS5);
-			}
 		} else if (strcmp(key, PARM_NAME_WDS_ADDRESS6) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_WDS_ADDRESS6, value);
 
-			if (parse_mac_address(value, mac_value) == ETH_ALEN) {
+			if (parse_mac_address(value, mac_value) == ETH_ALEN)
 				memcpy(lp->wds_port[5].wdsAddress, mac_value, ETH_ALEN);
-			} else {
+			else
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_WDS_ADDRESS6);
-			}
 		}
 #endif  /* USE_WDS */
 	}
@@ -1045,12 +999,10 @@ void ParseConfigLine(char *pszLine, char **ppszLVal, char **ppszRVal)
 		}
 		/* make the line ending character(s) a NULL */
 		for (i++; i < size; i++) {
-			if (pszLine[i] == '\n') {
+			if (pszLine[i] == '\n')
 				pszLine[i] = '\0';
-			}
-			if ((pszLine[i] == '\r') && (pszLine[i+1] == '\n')) {
+			if ((pszLine[i] == '\r') && (pszLine[i+1] == '\n'))
 				pszLine[i] = '\0';
-			}
 		}
 	}
 	DBG_LEAVE(DbgInfo);

From e9ec36030cca2549cb656d94347dafecfcf218f6 Mon Sep 17 00:00:00 2001
From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Tue, 11 May 2010 15:11:24 +0000
Subject: [PATCH 1342/3638] staging: hv: Optimize adj_guesttime function and
 add more detailed comments

Credits go to Joe Perches <joe@perches.com> for suggesting the changes.

Cc: Joe Perches <joe@perches.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/hv_utils.c | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index 8f1d3ba7e09..db45d97a3a7 100644
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -106,31 +106,44 @@ static void shutdown_onchannelcallback(void *context)
 		orderly_poweroff(false);
 }
 
-
 /*
- * Synchronize time with host after reboot, restore, etc.
+ * Set guest time to host UTC time.
  */
-static void adj_guesttime(u64 hosttime, u8 flags)
+static inline void do_adj_guesttime(u64 hosttime)
 {
 	s64 host_tns;
 	struct timespec host_ts;
-	static s32 scnt = 50;
 
 	host_tns = (hosttime - WLTIMEDELTA) * 100;
 	host_ts = ns_to_timespec(host_tns);
 
+	do_settimeofday(&host_ts);
+}
+
+/*
+ * Synchronize time with host after reboot, restore, etc.
+ *
+ * ICTIMESYNCFLAG_SYNC flag bit indicates reboot, restore events of the VM.
+ * After reboot the flag ICTIMESYNCFLAG_SYNC is included in the first time
+ * message after the timesync channel is opened. Since the hv_utils module is
+ * loaded after hv_vmbus, the first message is usually missed. The other
+ * thing is, systime is automatically set to emulated hardware clock which may
+ * not be UTC time or in the same time zone. So, to override these effects, we
+ * use the first 50 time samples for initial system time setting.
+ */
+static inline void adj_guesttime(u64 hosttime, u8 flags)
+{
+	static s32 scnt = 50;
+
 	if ((flags & ICTIMESYNCFLAG_SYNC) != 0) {
-		do_settimeofday(&host_ts);
+		do_adj_guesttime(hosttime);
 		return;
 	}
 
-	if ((flags & ICTIMESYNCFLAG_SAMPLE) != 0 &&
-	    scnt > 0) {
+	if ((flags & ICTIMESYNCFLAG_SAMPLE) != 0 && scnt > 0) {
 		scnt--;
-		do_settimeofday(&host_ts);
+		do_adj_guesttime(hosttime);
 	}
-
-	return;
 }
 
 /*

From 83e13438d6adadce30de40c27e902f9a34eca0ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Sun, 9 May 2010 11:00:51 -0700
Subject: [PATCH 1343/3638] Staging: wlags49_h2*: wireless driver Kconfig
 update
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Change the wireless drivers to depend on CONFIG_WLAN instead of
CONFIG_WLAN_80211 which is gone.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/Kconfig  | 2 +-
 drivers/staging/wlags49_h25/Kconfig | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/wlags49_h2/Kconfig b/drivers/staging/wlags49_h2/Kconfig
index 92053fe7013..b6fc2ca7d85 100644
--- a/drivers/staging/wlags49_h2/Kconfig
+++ b/drivers/staging/wlags49_h2/Kconfig
@@ -1,6 +1,6 @@
 config WLAGS49_H2
 	tristate "Agere Systems HERMES II Wireless PC Card Model 0110"
-	depends on WLAN_80211 && WIRELESS_EXT && PCMCIA
+	depends on WLAN && WIRELESS_EXT && PCMCIA
 	select WEXT_SPY
 	---help---
 	  Driver for wireless cards using Agere's HERMES II chipset
diff --git a/drivers/staging/wlags49_h25/Kconfig b/drivers/staging/wlags49_h25/Kconfig
index 304a8c96ce3..dcc170929c1 100644
--- a/drivers/staging/wlags49_h25/Kconfig
+++ b/drivers/staging/wlags49_h25/Kconfig
@@ -1,6 +1,6 @@
 config WLAGS49_H25
 	tristate "Linksys HERMES II.5 WCF54G_Wireless-G_CompactFlash_Card"
-	depends on WLAN_80211 && WIRELESS_EXT && PCMCIA
+	depends on WLAN && WIRELESS_EXT && PCMCIA
 	select WEXT_SPY
 	---help---
 	  Driver for wireless cards using Agere's HERMES II.5 chipset

From 5ae8cb9525f0481025b9bc156c7a181aff7ded47 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 11 May 2010 15:51:53 -0700
Subject: [PATCH 1344/3638] Staging: wlags49: build fixes

Now that the code actually gets selected in the kernel config
properly, all of the build errors start showing up.

This patch papers over a few of them to get the code to build, I have
no idea if it actually works now or not...

Cc: Henk de Groot <pe1dnn@amsat.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhf.c   | 10 +++++-----
 drivers/staging/wlags49_h2/wl_cs.c | 14 +++++++-------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhf.c b/drivers/staging/wlags49_h2/dhf.c
index d5fb1a97e85..80a4707885d 100644
--- a/drivers/staging/wlags49_h2/dhf.c
+++ b/drivers/staging/wlags49_h2/dhf.c
@@ -286,14 +286,14 @@ int				i;
 		 fw->signature[i+1] != (/* HCF_BIG_ENDIAN ? 'B' : */ 'L'))
 		rc = DHF_ERR_INCOMP_FW;
 	else {					/* Little Endian Binary format */
-		fw->codep    = (CFG_PROG_STRCT FAR*)((PSEUDO_CHARP)fw->codep + (hcf_32)fw);
-		fw->identity = (CFG_IDENTITY_STRCT FAR*)((PSEUDO_CHARP)fw->identity + (hcf_32)fw);
-		fw->compat   = (CFG_RANGE20_STRCT FAR*)((PSEUDO_CHARP)fw->compat + (hcf_32)fw);
+		fw->codep    = (CFG_PROG_STRCT FAR*)((char *)fw->codep + (hcf_32)fw);
+		fw->identity = (CFG_IDENTITY_STRCT FAR*)((char *)fw->identity + (hcf_32)fw);
+		fw->compat   = (CFG_RANGE20_STRCT FAR*)((char *)fw->compat + (hcf_32)fw);
 		for (i = 0; fw->p[i]; i++)
-			fw->p[i] = ((PSEUDO_CHARP)fw->p[i] + (hcf_32)fw);
+			fw->p[i] = ((char *)fw->p[i] + (hcf_32)fw);
 		p = fw->codep;
 		while (p->len) {
-			p->host_addr = (PSEUDO_CHARP)p->host_addr + (hcf_32)fw;
+			p->host_addr = (char *)p->host_addr + (hcf_32)fw;
 			p++;
 		}
 	}
diff --git a/drivers/staging/wlags49_h2/wl_cs.c b/drivers/staging/wlags49_h2/wl_cs.c
index 9da42e66085..7c33eade6b8 100644
--- a/drivers/staging/wlags49_h2/wl_cs.c
+++ b/drivers/staging/wlags49_h2/wl_cs.c
@@ -157,14 +157,14 @@ static int wl_adapter_attach(struct pcmcia_device *link)
     link->io.Attributes1    = IO_DATA_PATH_WIDTH_16;
     link->io.IOAddrLines    = 6;
     link->irq.Attributes    = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
-    link->irq.IRQInfo1      = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
+//    link->irq.IRQInfo1      = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
     link->irq.Handler       = &wl_isr;
     link->conf.Attributes   = CONF_ENABLE_IRQ;
     link->conf.IntType      = INT_MEMORY_AND_IO;
     link->conf.ConfigIndex  = 5;
     link->conf.Present      = PRESENT_OPTION;
 
-    link->priv = link->irq.Instance = dev;
+    link->priv = dev;
     lp = wl_priv(dev);
     lp->link = link;
 
@@ -317,15 +317,15 @@ void wl_adapter_insert( struct pcmcia_device *link )
     /* Do we need to allocate an interrupt? */
     link->conf.Attributes |= CONF_ENABLE_IRQ;
 
-    CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
-    CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
-    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
+//    CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
+//    CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
+//    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 
 
     dev->irq        = link->irq.AssignedIRQ;
     dev->base_addr  = link->io.BasePort1;
 
-    SET_NETDEV_DEV(dev, &handle_to_dev(link));
+    SET_NETDEV_DEV(dev, &link->dev);
     if (register_netdev(dev) != 0) {
 	printk("%s: register_netdev() failed\n", MODULE_NAME);
 	goto failed;
@@ -345,7 +345,7 @@ void wl_adapter_insert( struct pcmcia_device *link )
 
 
 cs_failed:
-    cs_error( link, last_fn, last_ret );
+//    cs_error( link, last_fn, last_ret );
 
 
 failed:

From 8ff23777f02209b4c5405be292884990fac68604 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Sun, 9 May 2010 22:20:09 -0300
Subject: [PATCH 1345/3638] staging: vt6656: aes_ccmp.c: code cleanup, cleared
 checkpatch findings

Resolved all warnings/errors but lines having over 80 characters.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/aes_ccmp.c | 513 +++++++++++++++---------------
 1 file changed, 248 insertions(+), 265 deletions(-)

diff --git a/drivers/staging/vt6656/aes_ccmp.c b/drivers/staging/vt6656/aes_ccmp.c
index a1beaa93b33..b3d367b9bdc 100644
--- a/drivers/staging/vt6656/aes_ccmp.c
+++ b/drivers/staging/vt6656/aes_ccmp.c
@@ -16,7 +16,6 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- *
  * File: aes_ccmp.c
  *
  * Purpose: AES_CCMP decryption
@@ -28,9 +27,7 @@
  * Functions:
  *      AESbGenCCMP - Parsing RX-packet
  *
- *
  * Revision History:
- *
  */
 
 #include "device.h"
@@ -46,62 +43,61 @@
  * SBOX Table
  */
 
-BYTE sbox_table[256] =
-{
-0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
-0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
-0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
-0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
-0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
-0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
-0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
-0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
-0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
-0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
-0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
-0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
-0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
-0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
-0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
-0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
+BYTE sbox_table[256] = {
+	0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
+	0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
+	0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
+	0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
+	0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
+	0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
+	0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
+	0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
+	0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
+	0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
+	0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
+	0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
+	0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
+	0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
+	0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
+	0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
 };
 
 BYTE dot2_table[256] = {
-0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
-0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
-0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
-0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
-0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
-0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
-0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
-0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
-0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
-0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
-0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
-0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
-0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
-0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
-0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
-0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
+	0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
+	0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
+	0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
+	0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
+	0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
+	0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
+	0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
+	0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
+	0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
+	0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
+	0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
+	0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
+	0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
+	0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
+	0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
+	0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
 };
 
 BYTE dot3_table[256] = {
-0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
-0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
-0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
-0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
-0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
-0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
-0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
-0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
-0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
-0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
-0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
-0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
-0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
-0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
-0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
-0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
+	0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
+	0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
+	0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
+	0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
+	0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
+	0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
+	0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
+	0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
+	0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
+	0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
+	0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
+	0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
+	0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
+	0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
+	0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
+	0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
 };
 
 /*---------------------  Static Functions  --------------------------*/
@@ -112,120 +108,111 @@ BYTE dot3_table[256] = {
 
 void xor_128(BYTE *a, BYTE *b, BYTE *out)
 {
-PDWORD dwPtrA = (PDWORD) a;
-PDWORD dwPtrB = (PDWORD) b;
-PDWORD dwPtrOut =(PDWORD) out;
+	PDWORD dwPtrA = (PDWORD) a;
+	PDWORD dwPtrB = (PDWORD) b;
+	PDWORD dwPtrOut = (PDWORD) out;
 
-    (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
-    (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
-    (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
-    (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
+	(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
+	(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
+	(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
+	(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
 }
 
 
 void xor_32(BYTE *a, BYTE *b, BYTE *out)
 {
-PDWORD dwPtrA = (PDWORD) a;
-PDWORD dwPtrB = (PDWORD) b;
-PDWORD dwPtrOut =(PDWORD) out;
+	PDWORD dwPtrA = (PDWORD) a;
+	PDWORD dwPtrB = (PDWORD) b;
+	PDWORD dwPtrOut = (PDWORD) out;
 
-    (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
+	(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
 }
 
 void AddRoundKey(BYTE *key, int round)
 {
-BYTE sbox_key[4];
-BYTE rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
+	BYTE sbox_key[4];
+	BYTE rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
 
-    sbox_key[0] = sbox_table[key[13]];
-    sbox_key[1] = sbox_table[key[14]];
-    sbox_key[2] = sbox_table[key[15]];
-    sbox_key[3] = sbox_table[key[12]];
+	sbox_key[0] = sbox_table[key[13]];
+	sbox_key[1] = sbox_table[key[14]];
+	sbox_key[2] = sbox_table[key[15]];
+	sbox_key[3] = sbox_table[key[12]];
 
-    key[0] = key[0] ^ rcon_table[round];
-    xor_32(&key[0], sbox_key, &key[0]);
+	key[0] = key[0] ^ rcon_table[round];
+	xor_32(&key[0], sbox_key, &key[0]);
 
-    xor_32(&key[4], &key[0], &key[4]);
-    xor_32(&key[8], &key[4], &key[8]);
-    xor_32(&key[12], &key[8], &key[12]);
+	xor_32(&key[4], &key[0], &key[4]);
+	xor_32(&key[8], &key[4], &key[8]);
+	xor_32(&key[12], &key[8], &key[12]);
 }
 
 void SubBytes(BYTE *in, BYTE *out)
 {
-int i;
+	int i;
 
-    for (i=0; i< 16; i++)
-    {
-        out[i] = sbox_table[in[i]];
-    }
+	for (i = 0; i < 16; i++)
+		out[i] = sbox_table[in[i]];
 }
 
 void ShiftRows(BYTE *in, BYTE *out)
 {
-    out[0]  = in[0];
-    out[1]  = in[5];
-    out[2]  = in[10];
-    out[3]  = in[15];
-    out[4]  = in[4];
-    out[5]  = in[9];
-    out[6]  = in[14];
-    out[7]  = in[3];
-    out[8]  = in[8];
-    out[9]  = in[13];
-    out[10] = in[2];
-    out[11] = in[7];
-    out[12] = in[12];
-    out[13] = in[1];
-    out[14] = in[6];
-    out[15] = in[11];
+	out[0]  = in[0];
+	out[1]  = in[5];
+	out[2]  = in[10];
+	out[3]  = in[15];
+	out[4]  = in[4];
+	out[5]  = in[9];
+	out[6]  = in[14];
+	out[7]  = in[3];
+	out[8]  = in[8];
+	out[9]  = in[13];
+	out[10] = in[2];
+	out[11] = in[7];
+	out[12] = in[12];
+	out[13] = in[1];
+	out[14] = in[6];
+	out[15] = in[11];
 }
 
 void MixColumns(BYTE *in, BYTE *out)
 {
 
-    out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
-    out[1] = in[0] ^ dot2_table[in[1]] ^ dot3_table[in[2]] ^ in[3];
-    out[2] = in[0] ^ in[1] ^ dot2_table[in[2]] ^ dot3_table[in[3]];
-    out[3] = dot3_table[in[0]] ^ in[1] ^ in[2] ^ dot2_table[in[3]];
+	out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
+	out[1] = in[0] ^ dot2_table[in[1]] ^ dot3_table[in[2]] ^ in[3];
+	out[2] = in[0] ^ in[1] ^ dot2_table[in[2]] ^ dot3_table[in[3]];
+	out[3] = dot3_table[in[0]] ^ in[1] ^ in[2] ^ dot2_table[in[3]];
 }
 
-
 void AESv128(BYTE *key, BYTE *data, BYTE *ciphertext)
 {
-int  i;
-int  round;
-BYTE TmpdataA[16];
-BYTE TmpdataB[16];
-BYTE abyRoundKey[16];
+	int  i;
+	int  round;
+	BYTE TmpdataA[16];
+	BYTE TmpdataB[16];
+	BYTE abyRoundKey[16];
 
-    for(i=0; i<16; i++)
-        abyRoundKey[i] = key[i];
+	for (i = 0; i < 16; i++)
+		abyRoundKey[i] = key[i];
 
-    for (round = 0; round < 11; round++)
-    {
-        if (round == 0)
-        {
-            xor_128(abyRoundKey, data, ciphertext);
-            AddRoundKey(abyRoundKey, round);
-        }
-        else if (round == 10)
-        {
-            SubBytes(ciphertext, TmpdataA);
-            ShiftRows(TmpdataA, TmpdataB);
-            xor_128(TmpdataB, abyRoundKey, ciphertext);
-        }
-        else // round 1 ~ 9
-        {
-            SubBytes(ciphertext, TmpdataA);
-            ShiftRows(TmpdataA, TmpdataB);
-            MixColumns(&TmpdataB[0], &TmpdataA[0]);
-            MixColumns(&TmpdataB[4], &TmpdataA[4]);
-            MixColumns(&TmpdataB[8], &TmpdataA[8]);
-            MixColumns(&TmpdataB[12], &TmpdataA[12]);
-            xor_128(TmpdataA, abyRoundKey, ciphertext);
-            AddRoundKey(abyRoundKey, round);
-        }
-    }
+	for (round = 0; round < 11; round++) {
+		if (round == 0) {
+			xor_128(abyRoundKey, data, ciphertext);
+			AddRoundKey(abyRoundKey, round);
+		} else if (round == 10) {
+			SubBytes(ciphertext, TmpdataA);
+			ShiftRows(TmpdataA, TmpdataB);
+			xor_128(TmpdataB, abyRoundKey, ciphertext);
+		} else { /* round 1 ~ 9 */
+			SubBytes(ciphertext, TmpdataA);
+			ShiftRows(TmpdataA, TmpdataB);
+			MixColumns(&TmpdataB[0], &TmpdataA[0]);
+			MixColumns(&TmpdataB[4], &TmpdataA[4]);
+			MixColumns(&TmpdataB[8], &TmpdataA[8]);
+			MixColumns(&TmpdataB[12], &TmpdataA[12]);
+			xor_128(TmpdataA, abyRoundKey, ciphertext);
+			AddRoundKey(abyRoundKey, round);
+		}
+	}
 
 }
 
@@ -243,161 +230,157 @@ BYTE abyRoundKey[16];
  * Return Value: MIC compare result
  *
  */
+
 BOOL AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize)
 {
-BYTE            abyNonce[13];
-BYTE            MIC_IV[16];
-BYTE            MIC_HDR1[16];
-BYTE            MIC_HDR2[16];
-BYTE            abyMIC[16];
-BYTE            abyCTRPLD[16];
-BYTE            abyTmp[16];
-BYTE            abyPlainText[16];
-BYTE            abyLastCipher[16];
+	BYTE            abyNonce[13];
+	BYTE            MIC_IV[16];
+	BYTE            MIC_HDR1[16];
+	BYTE            MIC_HDR2[16];
+	BYTE            abyMIC[16];
+	BYTE            abyCTRPLD[16];
+	BYTE            abyTmp[16];
+	BYTE            abyPlainText[16];
+	BYTE            abyLastCipher[16];
 
-PS802_11Header  pMACHeader = (PS802_11Header) pbyFrame;
-PBYTE           pbyIV;
-PBYTE           pbyPayload;
-WORD            wHLen = 22;
-WORD            wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;//8 is IV, 8 is MIC, 4 is CRC
-BOOL            bA4 = FALSE;
-BYTE            byTmp;
-WORD            wCnt;
-int             ii,jj,kk;
+	PS802_11Header  pMACHeader = (PS802_11Header) pbyFrame;
+	PBYTE           pbyIV;
+	PBYTE           pbyPayload;
+	WORD            wHLen = 22;
+	/* 8 is IV, 8 is MIC, 4 is CRC */
+	WORD            wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;
+	BOOL            bA4 = FALSE;
+	BYTE            byTmp;
+	WORD            wCnt;
+	int             ii, jj, kk;
 
+	pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
+	if (WLAN_GET_FC_TODS(*(PWORD) pbyFrame) &&
+	    WLAN_GET_FC_FROMDS(*(PWORD) pbyFrame)) {
+		bA4 = TRUE;
+		pbyIV += 6;             /* 6 is 802.11 address4 */
+		wHLen += 6;
+		wPayloadSize -= 6;
+	}
+	pbyPayload = pbyIV + 8; /* IV-length */
 
-    pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
-    if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) &&
-         WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) {
-         bA4 = TRUE;
-         pbyIV += 6;             // 6 is 802.11 address4
-         wHLen += 6;
-         wPayloadSize -= 6;
-    }
-    pbyPayload = pbyIV + 8; //IV-length
+	abyNonce[0]  = 0x00; /* now is 0, if Qos here will be priority */
+	memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN);
+	abyNonce[7]  = pbyIV[7];
+	abyNonce[8]  = pbyIV[6];
+	abyNonce[9]  = pbyIV[5];
+	abyNonce[10] = pbyIV[4];
+	abyNonce[11] = pbyIV[1];
+	abyNonce[12] = pbyIV[0];
 
-    abyNonce[0]  = 0x00; //now is 0, if Qos here will be priority
-    memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN);
-    abyNonce[7]  = pbyIV[7];
-    abyNonce[8]  = pbyIV[6];
-    abyNonce[9]  = pbyIV[5];
-    abyNonce[10] = pbyIV[4];
-    abyNonce[11] = pbyIV[1];
-    abyNonce[12] = pbyIV[0];
+	/* MIC_IV */
+	MIC_IV[0] = 0x59;
+	memcpy(&(MIC_IV[1]), &(abyNonce[0]), 13);
+	MIC_IV[14] = (BYTE)(wPayloadSize >> 8);
+	MIC_IV[15] = (BYTE)(wPayloadSize & 0xff);
 
-    //MIC_IV
-    MIC_IV[0] = 0x59;
-    memcpy(&(MIC_IV[1]), &(abyNonce[0]), 13);
-    MIC_IV[14] = (BYTE)(wPayloadSize >> 8);
-    MIC_IV[15] = (BYTE)(wPayloadSize & 0xff);
+	/* MIC_HDR1 */
+	MIC_HDR1[0] = (BYTE)(wHLen >> 8);
+	MIC_HDR1[1] = (BYTE)(wHLen & 0xff);
+	byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff);
+	MIC_HDR1[2] = byTmp & 0x8f;
+	byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
+	byTmp &= 0x87;
+	MIC_HDR1[3] = byTmp | 0x40;
+	memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
+	memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
 
-    //MIC_HDR1
-    MIC_HDR1[0] = (BYTE)(wHLen >> 8);
-    MIC_HDR1[1] = (BYTE)(wHLen & 0xff);
-    byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff);
-    MIC_HDR1[2] = byTmp & 0x8f;
-    byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
-    byTmp &= 0x87;
-    MIC_HDR1[3] = byTmp | 0x40;
-    memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
-    memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
+	/* MIC_HDR2 */
+	memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
+	byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
+	MIC_HDR2[6] = byTmp & 0x0f;
+	MIC_HDR2[7] = 0;
 
-    //MIC_HDR2
-    memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
-    byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
-    MIC_HDR2[6] = byTmp & 0x0f;
-    MIC_HDR2[7] = 0;
-
-    if ( bA4 ) {
+	if (bA4) {
 		memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, ETH_ALEN);
-    } else {
-        MIC_HDR2[8]  = 0x00;
-        MIC_HDR2[9]  = 0x00;
-        MIC_HDR2[10] = 0x00;
-        MIC_HDR2[11] = 0x00;
-        MIC_HDR2[12] = 0x00;
-        MIC_HDR2[13] = 0x00;
-    }
-    MIC_HDR2[14] = 0x00;
-    MIC_HDR2[15] = 0x00;
+	} else {
+		MIC_HDR2[8]  = 0x00;
+		MIC_HDR2[9]  = 0x00;
+		MIC_HDR2[10] = 0x00;
+		MIC_HDR2[11] = 0x00;
+		MIC_HDR2[12] = 0x00;
+		MIC_HDR2[13] = 0x00;
+	}
+	MIC_HDR2[14] = 0x00;
+	MIC_HDR2[15] = 0x00;
 
-    //CCMP
-    AESv128(pbyRxKey,MIC_IV,abyMIC);
-    for ( kk=0; kk<16; kk++ ) {
-        abyTmp[kk] = MIC_HDR1[kk] ^ abyMIC[kk];
-    }
-    AESv128(pbyRxKey,abyTmp,abyMIC);
-    for ( kk=0; kk<16; kk++ ) {
-        abyTmp[kk] = MIC_HDR2[kk] ^ abyMIC[kk];
-    }
-    AESv128(pbyRxKey,abyTmp,abyMIC);
+	/* CCMP */
+	AESv128(pbyRxKey, MIC_IV, abyMIC);
+	for (kk = 0; kk < 16; kk++)
+		abyTmp[kk] = MIC_HDR1[kk] ^ abyMIC[kk];
 
-    wCnt = 1;
-    abyCTRPLD[0] = 0x01;
-    memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13);
+	AESv128(pbyRxKey, abyTmp, abyMIC);
+	for (kk = 0; kk < 16; kk++)
+		abyTmp[kk] = MIC_HDR2[kk] ^ abyMIC[kk];
 
-    for(jj=wPayloadSize; jj>16; jj=jj-16) {
+	AESv128(pbyRxKey, abyTmp, abyMIC);
 
-        abyCTRPLD[14] = (BYTE) (wCnt >> 8);
-        abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+	wCnt = 1;
+	abyCTRPLD[0] = 0x01;
+	memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13);
 
-        AESv128(pbyRxKey,abyCTRPLD,abyTmp);
+	for (jj = wPayloadSize; jj > 16; jj = jj-16) {
 
-        for ( kk=0; kk<16; kk++ ) {
-            abyPlainText[kk] = abyTmp[kk] ^ pbyPayload[kk];
-        }
-        for ( kk=0; kk<16; kk++ ) {
-            abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
-        }
-        AESv128(pbyRxKey,abyTmp,abyMIC);
+		abyCTRPLD[14] = (BYTE) (wCnt >> 8);
+		abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
 
-        memcpy(pbyPayload, abyPlainText, 16);
-        wCnt++;
-        pbyPayload += 16;
-    } //for wPayloadSize
+		AESv128(pbyRxKey, abyCTRPLD, abyTmp);
 
-    //last payload
-    memcpy(&(abyLastCipher[0]), pbyPayload, jj);
-    for ( ii=jj; ii<16; ii++ ) {
-        abyLastCipher[ii] = 0x00;
-    }
+		for (kk = 0; kk < 16; kk++)
+			abyPlainText[kk] = abyTmp[kk] ^ pbyPayload[kk];
 
-    abyCTRPLD[14] = (BYTE) (wCnt >> 8);
-    abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+		for (kk = 0; kk < 16; kk++)
+			abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
 
-    AESv128(pbyRxKey,abyCTRPLD,abyTmp);
-    for ( kk=0; kk<16; kk++ ) {
-        abyPlainText[kk] = abyTmp[kk] ^ abyLastCipher[kk];
-    }
-    memcpy(pbyPayload, abyPlainText, jj);
-    pbyPayload += jj;
+		AESv128(pbyRxKey, abyTmp, abyMIC);
 
-    //for MIC calculation
-    for ( ii=jj; ii<16; ii++ ) {
-        abyPlainText[ii] = 0x00;
-    }
-    for ( kk=0; kk<16; kk++ ) {
-        abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
-    }
-    AESv128(pbyRxKey,abyTmp,abyMIC);
+		memcpy(pbyPayload, abyPlainText, 16);
+		wCnt++;
+		pbyPayload += 16;
+	} /* for wPayloadSize */
 
-    //=>above is the calculate MIC
-    //--------------------------------------------
+	/* last payload */
+	memcpy(&(abyLastCipher[0]), pbyPayload, jj);
+	for (ii = jj; ii < 16; ii++)
+		abyLastCipher[ii] = 0x00;
 
-    wCnt = 0;
-    abyCTRPLD[14] = (BYTE) (wCnt >> 8);
-    abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
-    AESv128(pbyRxKey,abyCTRPLD,abyTmp);
-    for ( kk=0; kk<8; kk++ ) {
-        abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk];
-    }
-    //=>above is the dec-MIC from packet
-    //--------------------------------------------
+	abyCTRPLD[14] = (BYTE) (wCnt >> 8);
+	abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
 
-    if (  !memcmp(abyMIC,abyTmp,8) ) {
-        return TRUE;
-    } else {
-        return FALSE;
-    }
+	AESv128(pbyRxKey, abyCTRPLD, abyTmp);
+	for (kk = 0; kk < 16; kk++)
+		abyPlainText[kk] = abyTmp[kk] ^ abyLastCipher[kk];
 
+	memcpy(pbyPayload, abyPlainText, jj);
+	pbyPayload += jj;
+
+	/* for MIC calculation */
+	for (ii = jj; ii < 16; ii++)
+		abyPlainText[ii] = 0x00;
+	for (kk = 0; kk < 16; kk++)
+		abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
+
+	AESv128(pbyRxKey, abyTmp, abyMIC);
+
+	/* => above is the calculated MIC */
+
+	wCnt = 0;
+	abyCTRPLD[14] = (BYTE) (wCnt >> 8);
+	abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+	AESv128(pbyRxKey, abyCTRPLD, abyTmp);
+
+	for (kk = 0; kk < 8; kk++)
+		abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk];
+
+	/* => above is the packet dec-MIC */
+
+	if (!memcmp(abyMIC, abyTmp, 8))
+		return TRUE;
+	else
+		return FALSE;
 }

From f65515275ea3e45fdcd0fb78455f542d6fdca086 Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Sun, 9 May 2010 22:10:02 -0500
Subject: [PATCH 1346/3638] staging: vt6655: Fix kernel BUG on driver wpa
 initialization

In http://bugzilla.novell.com/show_bug.cgi?id=597299, the vt6655 driver
generates a kernel BUG on a NULL pointer dereference at NULL. This problem
has been traced to a failure in the wpa_set_wpadev() routine. As the vt6656
driver does not call this routine, the vt6655 code is similarly set to skip
the call.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Richard Meek <osl2008@googlemail.com>
Cc: Stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/device_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 8a63a031d00..7020ed41e0c 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1091,11 +1091,13 @@ device_found1(struct pci_dev *pcid, const struct pci_device_id *ent)
     }
 //2008-07-21-01<Add>by MikeLiu
 //register wpadev
+#if 0
    if(wpa_set_wpadev(pDevice, 1)!=0) {
      printk("Fail to Register WPADEV?\n");
         unregister_netdev(pDevice->dev);
         free_netdev(dev);
    }
+#endif
     device_print_info(pDevice);
     pci_set_drvdata(pcid, pDevice);
     return 0;

From a9560a72759c6208c4072a30fb45aac7c6c014d4 Mon Sep 17 00:00:00 2001
From: Mark <reodge@gmail.com>
Date: Mon, 10 May 2010 17:56:05 +0800
Subject: [PATCH 1347/3638] Staging: comedi: Fixed long line lengths in
 comedi.h

This patch fixes quite a few long line lengths in comedi.h as reported by
checkpatch.pl

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi.h | 60 ++++++++++++++++++---------------
 1 file changed, 33 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index 20a6fee4dae..1538146b37a 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -156,15 +156,15 @@
 #define TRIG_ANY	0xffffffff
 #define TRIG_INVALID	0x00000000
 
-#define TRIG_NONE	0x00000001	/* never trigger */
-#define TRIG_NOW	0x00000002	/* trigger now + N ns */
-#define TRIG_FOLLOW	0x00000004	/* trigger on next lower level trig */
-#define TRIG_TIME	0x00000008	/* trigger at time N ns */
-#define TRIG_TIMER	0x00000010	/* trigger at rate N ns */
-#define TRIG_COUNT	0x00000020	/* trigger when count reaches N */
-#define TRIG_EXT	0x00000040	/* trigger on external signal N */
-#define TRIG_INT	0x00000080	/* trigger on comedi-internal signal N */
-#define TRIG_OTHER	0x00000100	/* driver defined */
+#define TRIG_NONE	0x00000001 /* never trigger */
+#define TRIG_NOW	0x00000002 /* trigger now + N ns */
+#define TRIG_FOLLOW	0x00000004 /* trigger on next lower level trig */
+#define TRIG_TIME	0x00000008 /* trigger at time N ns */
+#define TRIG_TIMER	0x00000010 /* trigger at rate N ns */
+#define TRIG_COUNT	0x00000020 /* trigger when count reaches N */
+#define TRIG_EXT	0x00000040 /* trigger on external signal N */
+#define TRIG_INT	0x00000080 /* trigger on comedi-internal signal N */
+#define TRIG_OTHER	0x00000100 /* driver defined */
 
 /* subdevice flags */
 
@@ -181,14 +181,17 @@
 #define SDF_MODE3	0x0400	/* can do mode 3 */
 #define SDF_MODE4	0x0800	/* can do mode 4 */
 #define SDF_CMD		0x1000	/* can do commands (deprecated) */
-#define SDF_SOFT_CALIBRATED	0x2000	/* subdevice uses software calibration */
-#define SDF_CMD_WRITE		0x4000	/* can do output commands */
-#define SDF_CMD_READ		0x8000	/* can do input commands */
+#define SDF_SOFT_CALIBRATED	0x2000 /* subdevice uses software calibration */
+#define SDF_CMD_WRITE		0x4000 /* can do output commands */
+#define SDF_CMD_READ		0x8000 /* can do input commands */
 
-#define SDF_READABLE	0x00010000	/* subdevice can be read (e.g. analog input) */
-#define SDF_WRITABLE	0x00020000	/* subdevice can be written (e.g. analog output) */
+/* subdevice can be read (e.g. analog input) */
+#define SDF_READABLE	0x00010000
+/* subdevice can be written (e.g. analog output) */
+#define SDF_WRITABLE	0x00020000
 #define SDF_WRITEABLE	SDF_WRITABLE	/* spelling error in API */
-#define SDF_INTERNAL	0x00040000	/* subdevice does not have externally visible lines */
+/* subdevice does not have externally visible lines */
+#define SDF_INTERNAL	0x00040000
 #define SDF_GROUND	0x00100000	/* can do aref=ground */
 #define SDF_COMMON	0x00200000	/* can do aref=common */
 #define SDF_DIFF	0x00400000	/* can do aref=diff */
@@ -255,15 +258,14 @@
 		INSN_CONFIG_GPCT_QUADRATURE_ENCODER = 1003,
 		INSN_CONFIG_SET_GATE_SRC = 2001,	/* Set gate source */
 		INSN_CONFIG_GET_GATE_SRC = 2002,	/* Get gate source */
-		INSN_CONFIG_SET_CLOCK_SRC = 2003,	/* Set master clock source */
-		INSN_CONFIG_GET_CLOCK_SRC = 2004,	/* Get master clock source */
-		INSN_CONFIG_SET_OTHER_SRC = 2005,	/* Set other source */
+		/* Set master clock source */
+		INSN_CONFIG_SET_CLOCK_SRC = 2003,
+		INSN_CONFIG_GET_CLOCK_SRC = 2004, /* Get master clock source */
+		INSN_CONFIG_SET_OTHER_SRC = 2005, /* Set other source */
 		/* INSN_CONFIG_GET_OTHER_SRC = 2006,*//* Get other source */
-		INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE = 2006,	/* Get size in bytes of
-								   subdevice's on-board
-								   fifos used during
-								   streaming
-								   input/output */
+		/* Get size in bytes of subdevice's on-board fifos used during
+		 * streaming input/output */
+		INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE = 2006,
 		INSN_CONFIG_SET_COUNTER_MODE = 4097,
 		INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE,	/* deprecated */
 		INSN_CONFIG_8254_READ_STATUS = 4098,
@@ -273,8 +275,11 @@
 		INSN_CONFIG_PWM_SET_PERIOD = 5000,	/* sets frequency */
 		INSN_CONFIG_PWM_GET_PERIOD = 5001,	/* gets frequency */
 		INSN_CONFIG_GET_PWM_STATUS = 5002,	/* is it running? */
-		INSN_CONFIG_PWM_SET_H_BRIDGE = 5003,	/* sets H bridge: duty cycle and sign bit for a relay  at the same time */
-		INSN_CONFIG_PWM_GET_H_BRIDGE = 5004	/* gets H bridge data: duty cycle and the sign bit */
+		/* sets H bridge: duty cycle and sign bit for a relay at the
+		 * same time */
+		INSN_CONFIG_PWM_SET_H_BRIDGE = 5003,
+		/* gets H bridge data: duty cycle and the sign bit */
+		INSN_CONFIG_PWM_GET_H_BRIDGE = 5004
 	};
 
 	enum comedi_io_direction {
@@ -362,7 +367,7 @@
 		unsigned int __user *chanlist;	/* channel/range list */
 		unsigned int chanlist_len;
 
-		short __user *data;	/* data list, size depends on subd flags */
+		short __user *data; /* data list, size depends on subd flags */
 		unsigned int data_len;
 	};
 
@@ -395,7 +400,8 @@
 		unsigned int flags;	/* channel flags */
 		unsigned int range_type;	/* lookup in kernel */
 		unsigned int settling_time_0;
-		unsigned insn_bits_support;	/* see support_level enum for values */
+		/* see support_level enum for values */
+		unsigned insn_bits_support;
 		unsigned int unused[8];
 	};
 

From 801de52358abc9f42ee6291dae2425bca04228d6 Mon Sep 17 00:00:00 2001
From: "Prashant P. Shah" <pshah.mumbai@gmail.com>
Date: Mon, 10 May 2010 22:18:24 +0530
Subject: [PATCH 1348/3638] Staging: wlags49_h2: fixed C99 comments style
 issues in wl_profile.c

This is a patch to the wl_profile.c file that fixes the C99 comments
style issues found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/wl_profile.c | 54 ++++++++++++-------------
 1 file changed, 27 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/wlags49_h2/wl_profile.c b/drivers/staging/wlags49_h2/wl_profile.c
index 13ade703573..292d5792dd7 100644
--- a/drivers/staging/wlags49_h2/wl_profile.c
+++ b/drivers/staging/wlags49_h2/wl_profile.c
@@ -91,7 +91,7 @@
 
 #include <debug.h>
 #include <hcf.h>
-//#include <hcfdef.h>
+/* #include <hcfdef.h> */
 
 #include <wl_if.h>
 #include <wl_internal.h>
@@ -118,17 +118,17 @@ int parse_yes_no(char *value);
 
 int parse_yes_no(char *value)
 {
-int rc = 0;										//default to NO for invalid parameters
+int rc = 0;										/* default to NO for invalid parameters */
 
 	if (strlen(value) == 1) {
 		if ((value[0] | ('Y'^'y')) == 'y')
 			rc = 1;
-//	} else {
-//		this should not be debug time info, it is an enduser data entry error ;?
-//		DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MICROWAVE_ROBUSTNESS);
+	/* } else { */
+		/* this should not be debug time info, it is an enduser data entry error ;? */
+		/* DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_MICROWAVE_ROBUSTNESS); */
 	}
 	return rc;
-} // parse_yes_no
+} /* parse_yes_no */
 
 
 /*******************************************************************************
@@ -154,10 +154,10 @@ int rc = 0;										//default to NO for invalid parameters
 void parse_config(struct net_device *dev)
 {
 	int				    file_desc;
-#if 0 // BIN_DL
+#if 0 /* BIN_DL */
 	int				rc;
 	char				*cp = NULL;
-#endif // BIN_DL
+#endif /* BIN_DL */
 	char                buffer[MAX_LINE_SIZE];
 	char                filename[MAX_LINE_SIZE];
 	mm_segment_t	    fs;
@@ -192,7 +192,7 @@ void parse_config(struct net_device *dev)
 		while (readline(file_desc, buffer))
 			translate_option(buffer, wvlan_config);
 		/* Close the file */
-		close(file_desc);	//;?even if file_desc == -1 ???
+		close(file_desc);	/* ;?even if file_desc == -1 ??? */
 	} else {
 		DBG_TRACE(DbgInfo, "No iwconfig file found for this device; "
 				   "config.opts or wireless.opts will be used\n");
@@ -235,19 +235,19 @@ void parse_config(struct net_device *dev)
 	memcpy(&wvlan_config->DefaultKeys, &sEncryption.EncStr,
 			sizeof(CFG_DEFAULT_KEYS_STRCT));
 
-#if 0 //BIN_DL
+#if 0 /* BIN_DL */
 		/* Obtain a user-space process context, storing the original context */
 		fs = get_fs();
 		set_fs(get_ds());
 
-		//;?just to fake something
+		/* ;?just to fake something */
 		strcpy(/*wvlan_config->fw_image_*/filename, "/etc/agere/fw.bin");
 		file_desc = open(/*wvlan_config->fw_image_*/filename, 0, 0);
 		if (file_desc == -1) {
 			DBG_ERROR(DbgInfo, "No image file found\n");
 		} else {
 			DBG_TRACE(DbgInfo, "F/W image file found\n");
-#define DHF_ALLOC_SIZE 96000			//just below 96K, let's hope it suffices for now and for the future
+#define DHF_ALLOC_SIZE 96000			/* just below 96K, let's hope it suffices for now and for the future */
 			cp = (char *)vmalloc(DHF_ALLOC_SIZE);
 			if (cp == NULL) {
 				DBG_ERROR(DbgInfo, "error in vmalloc\n");
@@ -270,11 +270,11 @@ void parse_config(struct net_device *dev)
 			close(file_desc);
 		}
 		set_fs(fs);			/* Return to the original context */
-#endif // BIN_DL
+#endif /* BIN_DL */
 
 	DBG_LEAVE(DbgInfo);
 	return;
-} // parse_config
+} /* parse_config */
 
 /*******************************************************************************
  *	readline()
@@ -322,7 +322,7 @@ int readline(int filedesc, char *buffer)
 		return result;
 	else
 		return bytes_read;
-} // readline
+} /* readline */
 /*============================================================================*/
 
 /*******************************************************************************
@@ -381,9 +381,9 @@ void translate_option(char *buffer, struct wl_private *lp)
 				DbgInfo->DebugFlag |= DBG_DEFAULTS;
 			}
 		} else {
-			DbgInfo->DebugFlag = simple_strtoul(value, NULL, 0); //;?DebugFlag;
+			DbgInfo->DebugFlag = simple_strtoul(value, NULL, 0); /* ;?DebugFlag; */
 		}
-		DbgInfo->DebugFlag = simple_strtoul(value, NULL, 0); //;?Delete ASAP
+		DbgInfo->DebugFlag = simple_strtoul(value, NULL, 0); /* ;?Delete ASAP */
 	}
 #endif /* DBG */
 	if (strcmp(key, PARM_NAME_AUTH_KEY_MGMT_SUITE) == 0) {
@@ -602,10 +602,10 @@ void translate_option(char *buffer, struct wl_private *lp)
 	/* Need to add? : Country code, Short/Long retry */
 
 	/* Configuration parameters specific to STA mode */
-#if 1 //;? (HCF_TYPE) & HCF_TYPE_STA
-//;?seems reasonable that even an AP-only driver could afford this small additional footprint
+#if 1 /* ;? (HCF_TYPE) & HCF_TYPE_STA */
+/* ;?seems reasonable that even an AP-only driver could afford this small additional footprint */
 	if (CNV_INT_TO_LITTLE(lp->hcfCtx.IFB_FWIdentity.comp_id) == COMP_ID_FW_STA) {
-					//;?should we return an error status in AP mode
+					/* ;?should we return an error status in AP mode */
 		if (strcmp(key, PARM_NAME_PORT_TYPE) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_PORT_TYPE, value);
 
@@ -625,7 +625,7 @@ void translate_option(char *buffer, struct wl_private *lp)
 				lp->PMEnabled = value_convert;
 			} else {
 				DBG_WARNING(DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_PM_ENABLED);
-				//;?this is a data entry error, hence not a DBG_WARNING
+				/* ;?this is a data entry error, hence not a DBG_WARNING */
 			}
 		} else if (strcmp(key, PARM_NAME_CREATE_IBSS) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_CREATE_IBSS, value);
@@ -690,8 +690,8 @@ void translate_option(char *buffer, struct wl_private *lp)
 #endif  /* (HCF_TYPE) & HCF_TYPE_STA */
 
 	/* Configuration parameters specific to AP mode */
-#if 1 //;? (HCF_TYPE) & HCF_TYPE_AP
-		//;?should we restore this to allow smaller memory footprint
+#if 1 /* ;? (HCF_TYPE) & HCF_TYPE_AP */
+		/* ;?should we restore this to allow smaller memory footprint */
 	if (CNV_INT_TO_LITTLE(lp->hcfCtx.IFB_FWIdentity.comp_id) == COMP_ID_FW_AP) {
 		if (strcmp(key, PARM_NAME_OWN_DTIM_PERIOD) == 0) {
 			DBG_TRACE(DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_DTIM_PERIOD, value);
@@ -876,7 +876,7 @@ void translate_option(char *buffer, struct wl_private *lp)
 #endif  /* (HCF_TYPE) & HCF_TYPE_AP */
 
 	return;
-} // translate_option
+} /* translate_option */
 /*============================================================================*/
 
 /*******************************************************************************
@@ -932,7 +932,7 @@ int parse_mac_address(char *value, u_char *byte_array)
 	/* Use the array_offset as a check; 6 bytes should be written to the
 	   byte_array */
 	return array_offset;
-} // parse_mac_address
+} /* parse_mac_address */
 /*============================================================================*/
 
 /*******************************************************************************
@@ -1006,7 +1006,7 @@ void ParseConfigLine(char *pszLine, char **ppszLVal, char **ppszRVal)
 		}
 	}
 	DBG_LEAVE(DbgInfo);
-} // ParseConfigLine
+} /* ParseConfigLine */
 /*============================================================================*/
 
-#endif  // USE_PROFILE
+#endif  /* USE_PROFILE */

From 3041f30672b50a482154f554c82404e98eb41133 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 10 May 2010 10:53:04 -0700
Subject: [PATCH 1349/3638] staging: memrar depends on RAR_REGISTER

Alan said that memrar should depend on RAR_REGISTER
(instead of selecting it).

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Ossama Othman <ossama.othman@intel.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/memrar/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/memrar/Kconfig b/drivers/staging/memrar/Kconfig
index a5598a86f66..cbeebc55090 100644
--- a/drivers/staging/memrar/Kconfig
+++ b/drivers/staging/memrar/Kconfig
@@ -1,6 +1,6 @@
 config MRST_RAR_HANDLER
 	tristate "RAR handler driver for Intel Moorestown platform"
-	select RAR_REGISTER
+	depends on RAR_REGISTER
 	---help---
 	  This driver provides a memory management interface to
 	  restricted access regions (RAR) available on the Intel

From a05d08c40c0775e4691cffcfbfceeb4270987208 Mon Sep 17 00:00:00 2001
From: Zachary Richey <zr.public@gmail.com>
Date: Tue, 11 May 2010 14:16:41 -0400
Subject: [PATCH 1350/3638] Staging: wlan-ng: Fixed non static functions in
 prism2fw.c

Fixed non static functions in prism2fw.c

Signed-off-by: Zachary Richey <zr.public@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/prism2fw.c | 39 ++++++++++++++++++------------
 1 file changed, 24 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/wlan-ng/prism2fw.c b/drivers/staging/wlan-ng/prism2fw.c
index d383ea85c9b..fc2d8f40edd 100644
--- a/drivers/staging/wlan-ng/prism2fw.c
+++ b/drivers/staging/wlan-ng/prism2fw.c
@@ -160,21 +160,30 @@ hfa384x_caplevel_t priid;
 /*================================================================*/
 /* Local Function Declarations */
 
-int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev);
-int read_fwfile(const struct ihex_binrec *rfptr);
-int mkimage(imgchunk_t *clist, unsigned int *ccnt);
-int read_cardpda(pda_t *pda, wlandevice_t *wlandev);
-int mkpdrlist(pda_t *pda);
-int plugimage(imgchunk_t *fchunk, unsigned int nfchunks,
-	      s3plugrec_t *s3plug, unsigned int ns3plug, pda_t * pda);
-int crcimage(imgchunk_t *fchunk, unsigned int nfchunks,
-	     s3crcrec_t *s3crc, unsigned int ns3crc);
-int writeimage(wlandevice_t *wlandev, imgchunk_t *fchunk,
-	       unsigned int nfchunks);
-void free_chunks(imgchunk_t *fchunk, unsigned int *nfchunks);
-void free_srecs(void);
+static int prism2_fwapply(const struct ihex_binrec *rfptr,
+wlandevice_t *wlandev);
 
-int validate_identity(void);
+static int read_fwfile(const struct ihex_binrec *rfptr);
+
+static int mkimage(imgchunk_t *clist, unsigned int *ccnt);
+
+static int read_cardpda(pda_t *pda, wlandevice_t *wlandev);
+
+static int mkpdrlist(pda_t *pda);
+
+static int plugimage(imgchunk_t *fchunk, unsigned int nfchunks,
+	      s3plugrec_t *s3plug, unsigned int ns3plug, pda_t * pda);
+
+static int crcimage(imgchunk_t *fchunk, unsigned int nfchunks,
+	     s3crcrec_t *s3crc, unsigned int ns3crc);
+
+static int writeimage(wlandevice_t *wlandev, imgchunk_t *fchunk,
+	       unsigned int nfchunks);
+static void free_chunks(imgchunk_t *fchunk, unsigned int *nfchunks);
+
+static void free_srecs(void);
+
+static int validate_identity(void);
 
 /*================================================================*/
 /* Function Definitions */
@@ -255,7 +264,7 @@ int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev)
 	/* clear the pda and add an initial END record */
 	memset(&pda, 0, sizeof(pda));
 	pda.rec[0] = (hfa384x_pdrec_t *) pda.buf;
-	pda.rec[0]->len = cpu_to_le16(2);	/* len in words *//* len in words */
+	pda.rec[0]->len = cpu_to_le16(2);	/* len in words */
 	pda.rec[0]->code = cpu_to_le16(HFA384x_PDR_END_OF_PDA);
 	pda.nrec = 1;
 

From 324148788bf3744d90fb6894ec5744eb0ca91b74 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 11 May 2010 20:26:57 +0200
Subject: [PATCH 1351/3638] Staging: Drop memory allocation cast

Drop cast on the result of kmalloc and similar functions.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
@@

- (T *)
  (\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|
   kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...))
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/unioxx5.c               |  2 +-
 drivers/staging/crystalhd/crystalhd_misc.c             |  2 +-
 drivers/staging/cx25821/cx25821-audio-upstream.c       |  6 ++----
 drivers/staging/cx25821/cx25821-video-upstream-ch2.c   |  6 ++----
 drivers/staging/cx25821/cx25821-video-upstream.c       |  4 ++--
 drivers/staging/et131x/et1310_rx.c                     |  2 +-
 drivers/staging/et131x/et1310_tx.c                     |  2 +-
 drivers/staging/rt2860/common/cmm_data.c               |  2 +-
 drivers/staging/rt2860/common/cmm_mac_pci.c            |  2 +-
 drivers/staging/rt2860/common/cmm_mac_usb.c            |  2 +-
 drivers/staging/rt2860/rt_linux.c                      |  2 +-
 .../staging/rtl8187se/ieee80211/ieee80211_softmac.c    |  7 +++----
 drivers/staging/rtl8192e/ieee80211/ieee80211_module.c  |  2 +-
 drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c      |  2 +-
 drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c |  7 +++----
 drivers/staging/rtl8192e/r8192E_core.c                 |  2 +-
 drivers/staging/rtl8192su/ieee80211/ieee80211_module.c |  2 +-
 drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c     |  2 +-
 .../staging/rtl8192su/ieee80211/ieee80211_softmac.c    |  7 +++----
 drivers/staging/rtl8192su/r8192U_core.c                |  2 +-
 drivers/staging/rtl8192u/ieee80211/ieee80211_module.c  |  2 +-
 drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c      |  2 +-
 drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c |  7 +++----
 drivers/staging/rtl8192u/r8192U_core.c                 | 10 ++++++----
 drivers/staging/vme/bridges/vme_ca91cx42.c             |  3 +--
 drivers/staging/vme/bridges/vme_tsi148.c               |  2 +-
 drivers/staging/vt6655/device_main.c                   |  2 +-
 drivers/staging/vt6655/hostap.c                        |  4 ++--
 drivers/staging/vt6655/wpactl.c                        |  2 +-
 drivers/staging/vt6656/hostap.c                        |  4 ++--
 drivers/staging/vt6656/main_usb.c                      |  2 +-
 drivers/staging/vt6656/wpactl.c                        |  2 +-
 drivers/staging/wlags49_h2/wl_priv.c                   |  4 ++--
 33 files changed, 52 insertions(+), 59 deletions(-)

diff --git a/drivers/staging/comedi/drivers/unioxx5.c b/drivers/staging/comedi/drivers/unioxx5.c
index be1d83df0de..16d4c9f6916 100644
--- a/drivers/staging/comedi/drivers/unioxx5.c
+++ b/drivers/staging/comedi/drivers/unioxx5.c
@@ -285,7 +285,7 @@ static int __unioxx5_subdev_init(struct comedi_subdevice *subdev,
 		return -EIO;
 	}
 
-	usp = (struct unioxx5_subd_priv *)kzalloc(sizeof(*usp), GFP_KERNEL);
+	usp = kzalloc(sizeof(*usp), GFP_KERNEL);
 
 	if (usp == NULL) {
 		printk(KERN_ERR "comedi%d: erorr! --> out of memory!\n", minor);
diff --git a/drivers/staging/crystalhd/crystalhd_misc.c b/drivers/staging/crystalhd/crystalhd_misc.c
index d1346672531..548dc09f249 100644
--- a/drivers/staging/crystalhd/crystalhd_misc.c
+++ b/drivers/staging/crystalhd/crystalhd_misc.c
@@ -887,7 +887,7 @@ int crystalhd_create_dio_pool(struct crystalhd_adp *adp, uint32_t max_pages)
 	       BC_LINK_SG_POOL_SZ, max_pages, asz, adp->fill_byte_pool);
 
 	for (i = 0; i < BC_LINK_SG_POOL_SZ; i++) {
-		temp = (uint8_t *)kzalloc(asz, GFP_KERNEL);
+		temp = kzalloc(asz, GFP_KERNEL);
 		if ((temp) == NULL) {
 			BCMLOG_ERR("Failed to alloc %d mem\n", asz);
 			return -ENOMEM;
diff --git a/drivers/staging/cx25821/cx25821-audio-upstream.c b/drivers/staging/cx25821/cx25821-audio-upstream.c
index 11c56bdb0ce..4c7d21e3d54 100644
--- a/drivers/staging/cx25821/cx25821-audio-upstream.c
+++ b/drivers/staging/cx25821/cx25821-audio-upstream.c
@@ -751,8 +751,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
 
 	if (dev->input_audiofilename) {
 		str_length = strlen(dev->input_audiofilename);
-		dev->_audiofilename =
-		    (char *)kmalloc(str_length + 1, GFP_KERNEL);
+		dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL);
 
 		if (!dev->_audiofilename)
 			goto error;
@@ -766,8 +765,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
 		}
 	} else {
 		str_length = strlen(_defaultAudioName);
-		dev->_audiofilename =
-		    (char *)kmalloc(str_length + 1, GFP_KERNEL);
+		dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL);
 
 		if (!dev->_audiofilename)
 			goto error;
diff --git a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c
index cc51618cffa..343df6619fe 100644
--- a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c
+++ b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c
@@ -769,8 +769,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
 
 	if (dev->input_filename_ch2) {
 		str_length = strlen(dev->input_filename_ch2);
-		dev->_filename_ch2 =
-		    (char *)kmalloc(str_length + 1, GFP_KERNEL);
+		dev->_filename_ch2 = kmalloc(str_length + 1, GFP_KERNEL);
 
 		if (!dev->_filename_ch2)
 			goto error;
@@ -779,8 +778,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
 		       str_length + 1);
 	} else {
 		str_length = strlen(dev->_defaultname_ch2);
-		dev->_filename_ch2 =
-		    (char *)kmalloc(str_length + 1, GFP_KERNEL);
+		dev->_filename_ch2 = kmalloc(str_length + 1, GFP_KERNEL);
 
 		if (!dev->_filename_ch2)
 			goto error;
diff --git a/drivers/staging/cx25821/cx25821-video-upstream.c b/drivers/staging/cx25821/cx25821-video-upstream.c
index 6d48a1e26d1..fdd94cf6d0b 100644
--- a/drivers/staging/cx25821/cx25821-video-upstream.c
+++ b/drivers/staging/cx25821/cx25821-video-upstream.c
@@ -825,7 +825,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
 
 	if (dev->input_filename) {
 		str_length = strlen(dev->input_filename);
-		dev->_filename = (char *)kmalloc(str_length + 1, GFP_KERNEL);
+		dev->_filename = kmalloc(str_length + 1, GFP_KERNEL);
 
 		if (!dev->_filename)
 			goto error;
@@ -833,7 +833,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
 		memcpy(dev->_filename, dev->input_filename, str_length + 1);
 	} else {
 		str_length = strlen(dev->_defaultname);
-		dev->_filename = (char *)kmalloc(str_length + 1, GFP_KERNEL);
+		dev->_filename = kmalloc(str_length + 1, GFP_KERNEL);
 
 		if (!dev->_filename)
 			goto error;
diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c
index 8f5dcebda76..8e04bdd8f6b 100644
--- a/drivers/staging/et131x/et1310_rx.c
+++ b/drivers/staging/et131x/et1310_rx.c
@@ -547,7 +547,7 @@ int et131x_init_recv(struct et131x_adapter *adapter)
 
 	/* Setup each RFD */
 	for (rfdct = 0; rfdct < rx_ring->NumRfd; rfdct++) {
-		rfd = (MP_RFD *) kmem_cache_alloc(rx_ring->RecvLookaside,
+		rfd = kmem_cache_alloc(rx_ring->RecvLookaside,
 						     GFP_ATOMIC | GFP_DMA);
 
 		if (!rfd) {
diff --git a/drivers/staging/et131x/et1310_tx.c b/drivers/staging/et131x/et1310_tx.c
index b6ff20f47de..0f3473d758e 100644
--- a/drivers/staging/et131x/et1310_tx.c
+++ b/drivers/staging/et131x/et1310_tx.c
@@ -112,7 +112,7 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
 	struct tx_ring *tx_ring = &adapter->tx_ring;
 
 	/* Allocate memory for the TCB's (Transmit Control Block) */
-	adapter->tx_ring.tcb_ring = (struct tcb *)
+	adapter->tx_ring.tcb_ring =
 		kcalloc(NUM_TCB, sizeof(struct tcb), GFP_ATOMIC | GFP_DMA);
 	if (!adapter->tx_ring.tcb_ring) {
 		dev_err(&adapter->pdev->dev, "Cannot alloc memory for TCBs\n");
diff --git a/drivers/staging/rt2860/common/cmm_data.c b/drivers/staging/rt2860/common/cmm_data.c
index 65b00e685eb..93a53479d76 100644
--- a/drivers/staging/rt2860/common/cmm_data.c
+++ b/drivers/staging/rt2860/common/cmm_data.c
@@ -1424,7 +1424,7 @@ u32 deaggregate_AMSDU_announce(struct rt_rtmp_adapter *pAd,
 		if ((Header802_3[12] == 0x88) && (Header802_3[13] == 0x8E)) {
 			/* avoid local heap overflow, use dyanamic allocation */
 			struct rt_mlme_queue_elem *Elem =
-			    (struct rt_mlme_queue_elem *)kmalloc(sizeof(struct rt_mlme_queue_elem),
+			    kmalloc(sizeof(struct rt_mlme_queue_elem),
 							MEM_ALLOC_FLAG);
 			if (Elem != NULL) {
 				memmove(Elem->Msg +
diff --git a/drivers/staging/rt2860/common/cmm_mac_pci.c b/drivers/staging/rt2860/common/cmm_mac_pci.c
index 560ebd398e1..e26ba494287 100644
--- a/drivers/staging/rt2860/common/cmm_mac_pci.c
+++ b/drivers/staging/rt2860/common/cmm_mac_pci.c
@@ -1558,7 +1558,7 @@ void RT28xxPciMlmeRadioOFF(struct rt_rtmp_adapter *pAd)
 		if (INFRA_ON(pAd) || ADHOC_ON(pAd)) {
 			struct rt_mlme_disassoc_req DisReq;
 			struct rt_mlme_queue_elem *pMsgElem =
-			    (struct rt_mlme_queue_elem *)kmalloc(sizeof(struct rt_mlme_queue_elem),
+			    kmalloc(sizeof(struct rt_mlme_queue_elem),
 							MEM_ALLOC_FLAG);
 
 			if (pMsgElem) {
diff --git a/drivers/staging/rt2860/common/cmm_mac_usb.c b/drivers/staging/rt2860/common/cmm_mac_usb.c
index 9dd6959cd5a..8aec70fc20d 100644
--- a/drivers/staging/rt2860/common/cmm_mac_usb.c
+++ b/drivers/staging/rt2860/common/cmm_mac_usb.c
@@ -1087,7 +1087,7 @@ void RT28xxUsbMlmeRadioOFF(struct rt_rtmp_adapter *pAd)
 		if (INFRA_ON(pAd) || ADHOC_ON(pAd)) {
 			struct rt_mlme_disassoc_req DisReq;
 			struct rt_mlme_queue_elem *pMsgElem =
-			    (struct rt_mlme_queue_elem *)kmalloc(sizeof(struct rt_mlme_queue_elem),
+			    kmalloc(sizeof(struct rt_mlme_queue_elem),
 							MEM_ALLOC_FLAG);
 
 			if (pMsgElem) {
diff --git a/drivers/staging/rt2860/rt_linux.c b/drivers/staging/rt2860/rt_linux.c
index 27b78102f4b..0029b2d73b7 100644
--- a/drivers/staging/rt2860/rt_linux.c
+++ b/drivers/staging/rt2860/rt_linux.c
@@ -154,7 +154,7 @@ void RTMP_GetCurrentSystemTime(LARGE_INTEGER *time)
 /* pAd MUST allow to be NULL */
 int os_alloc_mem(struct rt_rtmp_adapter *pAd, u8 ** mem, unsigned long size)
 {
-	*mem = (u8 *)kmalloc(size, GFP_ATOMIC);
+	*mem = kmalloc(size, GFP_ATOMIC);
 	if (*mem)
 		return NDIS_STATUS_SUCCESS;
 	else
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
index e099a5fa049..b7426fea549 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
@@ -1435,7 +1435,7 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
 
 		if(*(t++) == MFIE_TYPE_CHALLENGE){
 			*chlen = *(t++);
-			*challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC);
+			*challenge = kmalloc(*chlen, GFP_ATOMIC);
 			memcpy(*challenge, t, *chlen);
 		}
 	}
@@ -2861,8 +2861,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
 
 		ieee80211_crypt_delayed_deinit(ieee, crypt);
 
-		new_crypt = (struct ieee80211_crypt_data *)
-			kmalloc(sizeof(*new_crypt), GFP_KERNEL);
+		new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
 		if (new_crypt == NULL) {
 			ret = -ENOMEM;
 			goto done;
@@ -2953,7 +2952,7 @@ int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_poin
 		goto out;
 	}
 
-	param = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
+	param = kmalloc(p->length, GFP_KERNEL);
 	if (param == NULL){
 		ret = -ENOMEM;
 		goto out;
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c
index f43a7db5c78..c7aa1c63cb1 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c
@@ -170,7 +170,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 	ieee80211_softmac_init(ieee);
 
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-	ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
+	ieee->pHTInfo = kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
 #else
 	ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kmalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
 	memset(ieee->pHTInfo,0,sizeof(RT_HIGH_THROUGHPUT));
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
index ce265ae5fe1..da10067485e 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
@@ -1397,7 +1397,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	/* skb: hdr + (possible reassembled) full plaintext payload */
 	payload = skb->data + hdrlen;
 	//ethertype = (payload[6] << 8) | payload[7];
-	rxb = (struct ieee80211_rxb*)kmalloc(sizeof(struct ieee80211_rxb),GFP_ATOMIC);
+	rxb = kmalloc(sizeof(struct ieee80211_rxb), GFP_ATOMIC);
 	if(rxb == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR,"%s(): kmalloc rxb error\n",__FUNCTION__);
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
index b4beb207391..4f6ce06b606 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
@@ -1800,7 +1800,7 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
 
 		if(*(t++) == MFIE_TYPE_CHALLENGE){
 			*chlen = *(t++);
-			*challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC);
+			*challenge = kmalloc(*chlen, GFP_ATOMIC);
 			memcpy(*challenge, t, *chlen);
 		}
 	}
@@ -3459,8 +3459,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
 
 		ieee80211_crypt_delayed_deinit(ieee, crypt);
 
-		new_crypt = (struct ieee80211_crypt_data *)
-			kmalloc(sizeof(*new_crypt), GFP_KERNEL);
+		new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
 		if (new_crypt == NULL) {
 			ret = -ENOMEM;
 			goto done;
@@ -3592,7 +3591,7 @@ int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_poin
 		goto out;
 	}
 
-	param = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
+	param = kmalloc(p->length, GFP_KERNEL);
 	if (param == NULL){
 		ret = -ENOMEM;
 		goto out;
diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c
index 604c691d64b..533be4882bb 100644
--- a/drivers/staging/rtl8192e/r8192E_core.c
+++ b/drivers/staging/rtl8192e/r8192E_core.c
@@ -5040,7 +5040,7 @@ static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
              goto out;
      }
 
-     ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
+     ipw = kmalloc(p->length, GFP_KERNEL);
      if (ipw == NULL){
              ret = -ENOMEM;
              goto out;
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
index c024fa60072..73de3baf915 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
@@ -161,7 +161,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 
 	ieee80211_softmac_init(ieee);
 
-	ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
+	ieee->pHTInfo = kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
 	if (ieee->pHTInfo == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for HTInfo\n");
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
index cc80faf6598..1f2bc7ac6f7 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
@@ -1191,7 +1191,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	/* skb: hdr + (possible reassembled) full plaintext payload */
 	payload = skb->data + hdrlen;
 	//ethertype = (payload[6] << 8) | payload[7];
-	rxb = (struct ieee80211_rxb*)kmalloc(sizeof(struct ieee80211_rxb),GFP_ATOMIC);
+	rxb = kmalloc(sizeof(struct ieee80211_rxb), GFP_ATOMIC);
 	if(rxb == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR,"%s(): kmalloc rxb error\n",__FUNCTION__);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
index 3cf5fdf8a8c..660aee2874a 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
@@ -1557,7 +1557,7 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
 
 		if(*(t++) == MFIE_TYPE_CHALLENGE){
 			*chlen = *(t++);
-			*challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC);
+			*challenge = kmalloc(*chlen, GFP_ATOMIC);
 			memcpy(*challenge, t, *chlen);
 		}
 	}
@@ -3048,8 +3048,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
 
 		ieee80211_crypt_delayed_deinit(ieee, crypt);
 
-		new_crypt = (struct ieee80211_crypt_data *)
-			kmalloc(sizeof(*new_crypt), GFP_KERNEL);
+		new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
 		if (new_crypt == NULL) {
 			ret = -ENOMEM;
 			goto done;
@@ -3182,7 +3181,7 @@ int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_poin
 		goto out;
 	}
 
-	param = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
+	param = kmalloc(p->length, GFP_KERNEL);
 	if (param == NULL){
 		ret = -ENOMEM;
 		goto out;
diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index d372ff22a0d..70a8087434d 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -5747,7 +5747,7 @@ int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
              goto out;
 	}
 
-     ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
+     ipw = kmalloc(p->length, GFP_KERNEL);
      if (ipw == NULL){
              ret = -ENOMEM;
              goto out;
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
index b752017a4d1..1111002bad9 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
@@ -161,7 +161,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 
 	ieee80211_softmac_init(ieee);
 
-	ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
+	ieee->pHTInfo = kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
 	if (ieee->pHTInfo == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for HTInfo\n");
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
index 7e9b367594a..192123fbec7 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
@@ -1302,7 +1302,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	/* skb: hdr + (possible reassembled) full plaintext payload */
 	payload = skb->data + hdrlen;
 	//ethertype = (payload[6] << 8) | payload[7];
-	rxb = (struct ieee80211_rxb*)kmalloc(sizeof(struct ieee80211_rxb),GFP_ATOMIC);
+	rxb = kmalloc(sizeof(struct ieee80211_rxb), GFP_ATOMIC);
 	if(rxb == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR,"%s(): kmalloc rxb error\n",__FUNCTION__);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index e5e583ed119..6c6bf9f6e78 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -1579,7 +1579,7 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
 
 		if(*(t++) == MFIE_TYPE_CHALLENGE){
 			*chlen = *(t++);
-			*challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC);
+			*challenge = kmalloc(*chlen, GFP_ATOMIC);
 			if (!*challenge)
 				return -ENOMEM;
 			memcpy(*challenge, t, *chlen);
@@ -3077,8 +3077,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
 
 		ieee80211_crypt_delayed_deinit(ieee, crypt);
 
-		new_crypt = (struct ieee80211_crypt_data *)
-			kmalloc(sizeof(*new_crypt), GFP_KERNEL);
+		new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
 		if (new_crypt == NULL) {
 			ret = -ENOMEM;
 			goto done;
@@ -3210,7 +3209,7 @@ int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_poin
 		goto out;
 	}
 
-	param = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
+	param = kmalloc(p->length, GFP_KERNEL);
 	if (param == NULL){
 		ret = -ENOMEM;
 		goto out;
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 68ebb025677..cbbc7d32fcf 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -2216,7 +2216,8 @@ short rtl8192_usb_initendpoints(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
-	priv->rx_urb = (struct urb**) kmalloc (sizeof(struct urb*) * (MAX_RX_URB+1), GFP_KERNEL);
+	priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB+1),
+				GFP_KERNEL);
 
 #ifndef JACKSON_NEW_RX
 	for(i=0;i<(MAX_RX_URB+1);i++){
@@ -2250,7 +2251,8 @@ short rtl8192_usb_initendpoints(struct net_device *dev)
 #endif
 
 	memset(priv->rx_urb, 0, sizeof(struct urb*) * MAX_RX_URB);
-	priv->pp_rxskb = (struct sk_buff **)kmalloc(sizeof(struct sk_buff *) * MAX_RX_URB, GFP_KERNEL);
+	priv->pp_rxskb = kmalloc(sizeof(struct sk_buff *) * MAX_RX_URB,
+				 GFP_KERNEL);
 	if (priv->pp_rxskb == NULL)
 		goto destroy;
 
@@ -2839,7 +2841,7 @@ static void rtl8192_init_priv_variable(struct net_device* dev)
 		(priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT:0);
 
 	priv->AcmControl = 0;
-	priv->pFirmware = (rt_firmware*)kmalloc(sizeof(rt_firmware), GFP_KERNEL);
+	priv->pFirmware = kmalloc(sizeof(rt_firmware), GFP_KERNEL);
 	if (priv->pFirmware)
 	memset(priv->pFirmware, 0, sizeof(rt_firmware));
 
@@ -4415,7 +4417,7 @@ int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	     goto out;
 	}
 
-     ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
+     ipw = kmalloc(p->length, GFP_KERNEL);
      if (ipw == NULL){
 	     ret = -ENOMEM;
 	     goto out;
diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
index b9f986b856e..c35dead64a3 100644
--- a/drivers/staging/vme/bridges/vme_ca91cx42.c
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.c
@@ -941,8 +941,7 @@ int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 	dev = list->parent->parent->parent;
 
 	/* XXX descriptor must be aligned on 64-bit boundaries */
-	entry = (struct ca91cx42_dma_entry *)
-		kmalloc(sizeof(struct ca91cx42_dma_entry), GFP_KERNEL);
+	entry = kmalloc(sizeof(struct ca91cx42_dma_entry), GFP_KERNEL);
 	if (entry == NULL) {
 		dev_err(dev, "Failed to allocate memory for dma resource "
 			"structure\n");
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c
index 25987d4069f..7539cce6e2a 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.c
+++ b/drivers/staging/vme/bridges/vme_tsi148.c
@@ -2309,7 +2309,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (err_chk) {
 		master_num--;
 
-		tsi148_device->flush_image = (struct vme_master_resource *)
+		tsi148_device->flush_image =
 			kmalloc(sizeof(struct vme_master_resource), GFP_KERNEL);
 		if (tsi148_device->flush_image == NULL) {
 			dev_err(&pdev->dev, "Failed to allocate memory for "
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 7020ed41e0c..f690fc2c35c 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -3025,7 +3025,7 @@ int Config_FileOperation(PSDevice pDevice,BOOL fwrite,unsigned char *Parameter)
 	  goto error1;
      	}
 
-buffer = (UCHAR *)kmalloc(1024, GFP_KERNEL);
+buffer = kmalloc(1024, GFP_KERNEL);
 if(buffer==NULL) {
   printk("alllocate mem for file fail?\n");
   result = -1;
diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
index 9e07a40480f..fb7775c5233 100644
--- a/drivers/staging/vt6655/hostap.c
+++ b/drivers/staging/vt6655/hostap.c
@@ -90,7 +90,7 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
 
-	pDevice->apdev = (struct net_device *)kmalloc(sizeof(struct net_device), GFP_KERNEL);
+	pDevice->apdev = kmalloc(sizeof(struct net_device), GFP_KERNEL);
 	if (pDevice->apdev == NULL)
 		return -ENOMEM;
 	memset(pDevice->apdev, 0, sizeof(struct net_device));
@@ -768,7 +768,7 @@ int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
 	    p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
 		return -EINVAL;
 
-	param = (struct viawget_hostapd_param *) kmalloc((int)p->length, (int)GFP_KERNEL);
+	param = kmalloc((int)p->length, (int)GFP_KERNEL);
 	if (param == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c
index 574e0b0a9c2..4e886c16209 100644
--- a/drivers/staging/vt6655/wpactl.c
+++ b/drivers/staging/vt6655/wpactl.c
@@ -905,7 +905,7 @@ int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
 	    p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
 		return -EINVAL;
 
-	param = (struct viawget_wpa_param *) kmalloc((int)p->length, (int)GFP_KERNEL);
+	param = kmalloc((int)p->length, (int)GFP_KERNEL);
 	if (param == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
index ca007c30e0a..44386316b21 100644
--- a/drivers/staging/vt6656/hostap.c
+++ b/drivers/staging/vt6656/hostap.c
@@ -91,7 +91,7 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
 
-	pDevice->apdev = (struct net_device *)kmalloc(sizeof(struct net_device), GFP_KERNEL);
+	pDevice->apdev = kmalloc(sizeof(struct net_device), GFP_KERNEL);
 	if (pDevice->apdev == NULL)
 		return -ENOMEM;
 	memset(pDevice->apdev, 0, sizeof(struct net_device));
@@ -766,7 +766,7 @@ int vt6656_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
 	    p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
 		return -EINVAL;
 
-	param = (struct viawget_hostapd_param *) kmalloc((int)p->length, (int)GFP_KERNEL);
+	param = kmalloc((int)p->length, (int)GFP_KERNEL);
 	if (param == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index f1d81b1656c..e4dc27dd21e 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -1511,7 +1511,7 @@ static UCHAR *Config_FileOperation(PSDevice pDevice) {
 	  goto error1;
      	}
 
-    buffer = (UCHAR *)kmalloc(1024, GFP_KERNEL);
+    buffer = kmalloc(1024, GFP_KERNEL);
     if(buffer==NULL) {
       printk("alllocate mem for file fail?\n");
       result = -1;
diff --git a/drivers/staging/vt6656/wpactl.c b/drivers/staging/vt6656/wpactl.c
index 04a4875e601..8f7ad2c4308 100644
--- a/drivers/staging/vt6656/wpactl.c
+++ b/drivers/staging/vt6656/wpactl.c
@@ -926,7 +926,7 @@ int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
 	    p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
 		return -EINVAL;
 
-	param = (struct viawget_wpa_param *) kmalloc((int)p->length, (int)GFP_KERNEL);
+	param = kmalloc((int)p->length, (int)GFP_KERNEL);
 	if (param == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/staging/wlags49_h2/wl_priv.c b/drivers/staging/wlags49_h2/wl_priv.c
index a67ff529d35..f2bfd3025e9 100644
--- a/drivers/staging/wlags49_h2/wl_priv.c
+++ b/drivers/staging/wlags49_h2/wl_priv.c
@@ -618,7 +618,7 @@ int wvlan_uil_put_info( struct uilreq *urq, struct wl_private *lp )
 				   LTV record, try to allocate it from the kernel stack.
 				   Otherwise, we just use our local LTV record. */
 				if( urq->len > sizeof( lp->ltvRecord )) {
-					pLtv = (ltv_t *)kmalloc( urq->len, GFP_KERNEL );
+					pLtv = kmalloc(urq->len, GFP_KERNEL);
 					if (pLtv != NULL) {
 						ltvAllocated = TRUE;
 					} else {
@@ -1298,7 +1298,7 @@ int wvlan_uil_get_info( struct uilreq *urq, struct wl_private *lp )
 				   LTV record, try to allocate it from the kernel stack.
 				   Otherwise, we just use our local LTV record. */
 				if( urq->len > sizeof( lp->ltvRecord )) {
-					pLtv = (ltv_t *)kmalloc( urq->len, GFP_KERNEL );
+					pLtv = kmalloc(urq->len, GFP_KERNEL);
 					if (pLtv != NULL) {
 						ltvAllocated = TRUE;
 

From 6593dfacd3320c4f5fefd6e307ea5c6e9c5dac4f Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Tue, 11 May 2010 17:29:43 -0300
Subject: [PATCH 1352/3638] staging: vt6656: card.h: code cleanup, resolved
 checkpatch findings

Cleared all findings but a couple of 'do not add new typedefs' warnings.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/card.h | 24 +++++++++---------------
 1 file changed, 9 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/vt6656/card.h b/drivers/staging/vt6656/card.h
index 770ee6a95c1..963c8ad3d2e 100644
--- a/drivers/staging/vt6656/card.h
+++ b/drivers/staging/vt6656/card.h
@@ -33,30 +33,27 @@
 
 /*---------------------  Export Definitions -------------------------*/
 
-
 /*---------------------  Export Classes  ----------------------------*/
 
-// Init card type
+/* init card type */
 
 typedef enum _CARD_PHY_TYPE {
-
-    PHY_TYPE_AUTO=0,
+    PHY_TYPE_AUTO = 0,
     PHY_TYPE_11B,
     PHY_TYPE_11G,
     PHY_TYPE_11A
 } CARD_PHY_TYPE, *PCARD_PHY_TYPE;
 
 typedef enum _CARD_OP_MODE {
-
-    OP_MODE_INFRASTRUCTURE=0,
+    OP_MODE_INFRASTRUCTURE = 0,
     OP_MODE_ADHOC,
     OP_MODE_AP,
     OP_MODE_UNKNOWN
 } CARD_OP_MODE, *PCARD_OP_MODE;
 
 #define CB_MAX_CHANNEL_24G  14
-//#define CB_MAX_CHANNEL_5G   24
-#define CB_MAX_CHANNEL_5G       42 //[20050104] add channel9(5045MHz), 41==>42
+/* #define CB_MAX_CHANNEL_5G   24 */
+#define CB_MAX_CHANNEL_5G       42 /* add channel9(5045MHz), 41==>42 */
 #define CB_MAX_CHANNEL      (CB_MAX_CHANNEL_24G+CB_MAX_CHANNEL_5G)
 
 /*---------------------  Export Variables  --------------------------*/
@@ -83,12 +80,9 @@ BOOL CARDbRadioPowerOn(void *pDeviceHandler);
 BYTE CARDbyGetPktType(void *pDeviceHandler);
 void CARDvSetBSSMode(void *pDeviceHandler);
 
-BOOL
-CARDbChannelSwitch (
-     void *pDeviceHandler,
-     BYTE             byMode,
-     BYTE             byNewChannel,
-     BYTE             byCount
-    );
+BOOL CARDbChannelSwitch(void *pDeviceHandler,
+			BYTE byMode,
+			BYTE byNewChannel,
+			BYTE byCount);
 
 #endif /* __CARD_H__ */

From 94c1f90bb0bac8c2b75569a247b89145022c4c24 Mon Sep 17 00:00:00 2001
From: Morgan Gatti <morgan.gatti@gmail.com>
Date: Tue, 11 May 2010 23:55:53 +0200
Subject: [PATCH 1353/3638] Staging: comedi: Fix bug and coding style issue in
 usbdux.c

This is a patch to the usbdux.c file that resolve 2 errors in coding and
fix the warning about lengt of code lines

Signed-off-by: Morgan Gatti <morgan.gatti@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/usbdux.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 8942ae45708..df71515c7a3 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -793,7 +793,7 @@ static int usbduxsub_stop(struct usbduxsub *usbduxsub)
 }
 
 static int usbduxsub_upload(struct usbduxsub *usbduxsub,
-			    uint8_t * local_transfer_buffer,
+			    uint8_t *local_transfer_buffer,
 			    unsigned int startAddr, unsigned int len)
 {
 	int errcode;
@@ -825,7 +825,7 @@ static int usbduxsub_upload(struct usbduxsub *usbduxsub,
 #define FIRMWARE_MAX_LEN 0x2000
 
 static int firmwareUpload(struct usbduxsub *usbduxsub,
-			  const u8 * firmwareBinary, int sizeFirmware)
+			  const u8 *firmwareBinary, int sizeFirmware)
 {
 	int ret;
 	uint8_t *fwBuf;
@@ -835,7 +835,7 @@ static int firmwareUpload(struct usbduxsub *usbduxsub,
 
 	if (sizeFirmware > FIRMWARE_MAX_LEN) {
 		dev_err(&usbduxsub->interface->dev,
-			"comedi_: usbdux firmware binary it too large for FX2.\n");
+			"usbdux firmware binary it too large for FX2.\n");
 		return -ENOMEM;
 	}
 
@@ -1264,8 +1264,8 @@ static int usbdux_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 			    (this_usbduxsub->ai_interval) * 2;
 		}
 		this_usbduxsub->ai_timer = cmd->scan_begin_arg / (125000 *
-								  (this_usbduxsub->
-								   ai_interval));
+							  (this_usbduxsub->
+							   ai_interval));
 	} else {
 		/* interval always 1ms */
 		this_usbduxsub->ai_interval = 1;

From b720303df7352d4a7a1f61e467e0a124913c0d41 Mon Sep 17 00:00:00 2001
From: Jing Zhang <zj.barak@gmail.com>
Date: Wed, 12 May 2010 00:00:00 -0400
Subject: [PATCH 1354/3638] ext4: fix memory leaks in error path handling of
 ext4_ext_zeroout()

When EIO occurs after bio is submitted, there is no memory free
operation for bio, which results in memory leakage. And there is also
no check against bio_alloc() for bio.

Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Jing Zhang <zj.barak@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/extents.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 236b834b4ca..228eeaf2dcc 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2544,7 +2544,7 @@ static void bi_complete(struct bio *bio, int error)
 /* FIXME!! we need to try to merge to left or right after zero-out  */
 static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
 {
-	int ret = -EIO;
+	int ret;
 	struct bio *bio;
 	int blkbits, blocksize;
 	sector_t ee_pblock;
@@ -2568,6 +2568,9 @@ static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
 			len = ee_len;
 
 		bio = bio_alloc(GFP_NOIO, len);
+		if (!bio)
+			return -ENOMEM;
+
 		bio->bi_sector = ee_pblock;
 		bio->bi_bdev   = inode->i_sb->s_bdev;
 
@@ -2595,17 +2598,15 @@ static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
 		submit_bio(WRITE, bio);
 		wait_for_completion(&event);
 
-		if (test_bit(BIO_UPTODATE, &bio->bi_flags))
-			ret = 0;
-		else {
-			ret = -EIO;
-			break;
+		if (!test_bit(BIO_UPTODATE, &bio->bi_flags)) {
+			bio_put(bio);
+			return -EIO;
 		}
 		bio_put(bio);
 		ee_len    -= done;
 		ee_pblock += done  << (blkbits - 9);
 	}
-	return ret;
+	return 0;
 }
 
 #define EXT4_EXT_ZERO_LEN 7

From b430acbd7c4b919886fa7fd92eeb7a695f1940d3 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Thu, 6 May 2010 17:41:08 -0400
Subject: [PATCH 1355/3638] ACPICA: simplify SCI_EN workaround

acpi_hw_set_mode() double checks its effectiveness
by calling acpi_hw_get_mode() -- polling up to 3 seconds.

It would be more logical for its caller, acpi_enable()
acpi_enable() to do the double-checking.  (lets assume
that acpi_disable() isn't interesting)

The ACPI specification is unclear on this point.
Some parts say that the BIOS sets SCI_EN and then returns to the OS,
but one part says "OSPM polls the SCI_EN bit until it is sampled SET".

The systems I have on hand do the former,
SCI_EN is observed to be set upon return from the BIOS.

So we move the check up out of acpi_hw_set_mode()
up into acpi_enable() where it makes logical sense.

Then we replace the 3-second polling loop
with a single check.  If this check fails, we'll see:

	"Hardware did not enter ACPI mode"

and the system will bail out of ACPI initialization
and likely fail to boot.  If we see that in practice,
we can restore the polling, but put it into acpi_enable.

This patch is important if acpi_enable() is used in
the resume from S3 path.  Many systems today are seen
coming back from S3 with SCI_EN off, and then failing
to set SCI_EN in response to acpi_enable().  Those systems
will take 3 seconds longer to resume due to this loop.

However, it is possible that we will not use acpi_enable()
in the S3 resume path, and bang SCI_EN directly, which
would make the loop harmless, as it would be invisible
to all systems except those that need it.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/evxfevnt.c | 37 +++++++++++++++++++++-------------
 drivers/acpi/acpica/hwacpi.c   | 20 +-----------------
 2 files changed, 24 insertions(+), 33 deletions(-)

diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index 5ff32c78ea2..bfbe291d572 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -69,7 +69,7 @@ acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
 
 acpi_status acpi_enable(void)
 {
-	acpi_status status = AE_OK;
+	acpi_status status;
 
 	ACPI_FUNCTION_TRACE(acpi_enable);
 
@@ -84,21 +84,30 @@ acpi_status acpi_enable(void)
 	if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INIT,
 				  "System is already in ACPI mode\n"));
-	} else {
-		/* Transition to ACPI mode */
-
-		status = acpi_hw_set_mode(ACPI_SYS_MODE_ACPI);
-		if (ACPI_FAILURE(status)) {
-			ACPI_ERROR((AE_INFO,
-				    "Could not transition to ACPI mode"));
-			return_ACPI_STATUS(status);
-		}
-
-		ACPI_DEBUG_PRINT((ACPI_DB_INIT,
-				  "Transition to ACPI mode successful\n"));
+		return_ACPI_STATUS(AE_OK);
 	}
 
-	return_ACPI_STATUS(status);
+	/* Transition to ACPI mode */
+
+	status = acpi_hw_set_mode(ACPI_SYS_MODE_ACPI);
+	if (ACPI_FAILURE(status)) {
+		ACPI_ERROR((AE_INFO,
+			    "Could not transition to ACPI mode"));
+		return_ACPI_STATUS(status);
+	}
+
+	/* Sanity check that transition succeeded */
+
+	if (acpi_hw_get_mode() != ACPI_SYS_MODE_ACPI) {
+		ACPI_ERROR((AE_INFO,
+			    "Hardware did not enter ACPI mode"));
+		return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
+	}
+
+	ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+			  "Transition to ACPI mode successful\n"));
+
+	return_ACPI_STATUS(AE_OK);
 }
 
 ACPI_EXPORT_SYMBOL(acpi_enable)
diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
index 679a112a7d2..b44274a0b62 100644
--- a/drivers/acpi/acpica/hwacpi.c
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -63,7 +63,6 @@ acpi_status acpi_hw_set_mode(u32 mode)
 {
 
 	acpi_status status;
-	u32 retry;
 
 	ACPI_FUNCTION_TRACE(hw_set_mode);
 
@@ -125,24 +124,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
 		return_ACPI_STATUS(status);
 	}
 
-	/*
-	 * Some hardware takes a LONG time to switch modes. Give them 3 sec to
-	 * do so, but allow faster systems to proceed more quickly.
-	 */
-	retry = 3000;
-	while (retry) {
-		if (acpi_hw_get_mode() == mode) {
-			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-					  "Mode %X successfully enabled\n",
-					  mode));
-			return_ACPI_STATUS(AE_OK);
-		}
-		acpi_os_stall(1000);
-		retry--;
-	}
-
-	ACPI_ERROR((AE_INFO, "Hardware did not change modes"));
-	return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
+	return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************

From b6dacf63e9fb2e7a1369843d6cef332f76fca6a3 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Tue, 11 May 2010 13:49:25 -0400
Subject: [PATCH 1356/3638] ACPI: Unconditionally set SCI_EN on resume

The ACPI spec tells us that the firmware will reenable SCI_EN on resume.
Reality disagrees in some cases. The ACPI spec tells us that the only way
to set SCI_EN is via an SMM call.
https://bugzilla.kernel.org/show_bug.cgi?id=13745 shows us that doing so
may break machines. Tracing the ACPI calls made by Windows shows that it
unconditionally sets SCI_EN on resume with a direct register write, and
therefore the overwhelming probability is that everything is fine with
this behaviour.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/acpi/sleep.c |   2 -
 drivers/acpi/sleep.c         | 157 +----------------------------------
 include/linux/acpi.h         |   1 -
 3 files changed, 2 insertions(+), 158 deletions(-)

diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index f9961034e55..82e508677b9 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -162,8 +162,6 @@ static int __init acpi_sleep_setup(char *str)
 #endif
 		if (strncmp(str, "old_ordering", 12) == 0)
 			acpi_old_suspend_ordering();
-		if (strncmp(str, "sci_force_enable", 16) == 0)
-			acpi_set_sci_en_on_resume();
 		str = strchr(str, ',');
 		if (str != NULL)
 			str += strspn(str, ", \t");
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index baa76bbf244..4ab2275b446 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -80,22 +80,6 @@ static int acpi_sleep_prepare(u32 acpi_state)
 
 #ifdef CONFIG_ACPI_SLEEP
 static u32 acpi_target_sleep_state = ACPI_STATE_S0;
-/*
- * According to the ACPI specification the BIOS should make sure that ACPI is
- * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states.  Still,
- * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI
- * on such systems during resume.  Unfortunately that doesn't help in
- * particularly pathological cases in which SCI_EN has to be set directly on
- * resume, although the specification states very clearly that this flag is
- * owned by the hardware.  The set_sci_en_on_resume variable will be set in such
- * cases.
- */
-static bool set_sci_en_on_resume;
-
-void __init acpi_set_sci_en_on_resume(void)
-{
-	set_sci_en_on_resume = true;
-}
 
 /*
  * ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the
@@ -253,11 +237,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 		break;
 	}
 
-	/* If ACPI is not enabled by the BIOS, we need to enable it here. */
-	if (set_sci_en_on_resume)
-		acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
-	else
-		acpi_enable();
+	/* This violates the spec but is required for bug compatibility. */
+	acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
 
 	/* Reprogram control registers and execute _BFS */
 	acpi_leave_sleep_state_prep(acpi_state);
@@ -346,12 +327,6 @@ static int __init init_old_suspend_ordering(const struct dmi_system_id *d)
 	return 0;
 }
 
-static int __init init_set_sci_en_on_resume(const struct dmi_system_id *d)
-{
-	set_sci_en_on_resume = true;
-	return 0;
-}
-
 static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 	{
 	.callback = init_old_suspend_ordering,
@@ -370,22 +345,6 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 		},
 	},
 	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Apple MacBook 1,1",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
-		DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Apple MacMini 1,1",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"),
-		},
-	},
-	{
 	.callback = init_old_suspend_ordering,
 	.ident = "Asus Pundit P1-AH2 (M2N8L motherboard)",
 	.matches = {
@@ -394,94 +353,6 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 		},
 	},
 	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Toshiba Satellite L300",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L300"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Hewlett-Packard HP G7000 Notebook PC",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "HP G7000 Notebook PC"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Hewlett-Packard HP Pavilion dv3 Notebook PC",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv3 Notebook PC"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Hewlett-Packard Pavilion dv4",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Hewlett-Packard Pavilion dv7",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv7"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Hewlett-Packard Compaq Presario C700 Notebook PC",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Compaq Presario C700 Notebook PC"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Hewlett-Packard Compaq Presario CQ40 Notebook PC",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Compaq Presario CQ40 Notebook PC"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Lenovo ThinkPad T410",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-		DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T410"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Lenovo ThinkPad T510",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-		DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T510"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Lenovo ThinkPad W510",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-		DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W510"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Lenovo ThinkPad X201[s]",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-		DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"),
-		},
-	},
-	{
 	.callback = init_old_suspend_ordering,
 	.ident = "Panasonic CF51-2L",
 	.matches = {
@@ -490,30 +361,6 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 		DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
 		},
 	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Dell Studio 1558",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1558"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Dell Studio 1557",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1557"),
-		},
-	},
-	{
-	.callback = init_set_sci_en_on_resume,
-	.ident = "Dell Studio 1555",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1555"),
-		},
-	},
 	{},
 };
 #endif /* CONFIG_SUSPEND */
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b926afe8c03..87ca4913294 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -251,7 +251,6 @@ int acpi_check_mem_region(resource_size_t start, resource_size_t n,
 void __init acpi_no_s4_hw_signature(void);
 void __init acpi_old_suspend_ordering(void);
 void __init acpi_s4_no_nvs(void);
-void __init acpi_set_sci_en_on_resume(void);
 #endif /* CONFIG_PM_SLEEP */
 
 struct acpi_osc_context {

From eaefbf968a83a160324225fb2ac9c49e56c86515 Mon Sep 17 00:00:00 2001
From: Bob Peterson <rpeterso@redhat.com>
Date: Tue, 11 May 2010 17:35:34 -0400
Subject: [PATCH 1357/3638] GFS2: Eliminate useless err variable

This patch removes an unneeded "err" variable that is always
returned as zero.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/meta_io.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index abafda1f637..18176d0b75d 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -34,7 +34,6 @@
 
 static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wbc)
 {
-	int err;
 	struct buffer_head *bh, *head;
 	int nr_underway = 0;
 	int write_op = (1 << BIO_RW_META) | ((wbc->sync_mode == WB_SYNC_ALL ?
@@ -86,11 +85,10 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
 	} while (bh != head);
 	unlock_page(page);
 
-	err = 0;
 	if (nr_underway == 0)
 		end_page_writeback(page);
 
-	return err;
+	return 0;
 }
 
 const struct address_space_operations gfs2_meta_aops = {

From cc0581bd6132984641e47809552fc9d5dfcadbcf Mon Sep 17 00:00:00 2001
From: Bob Peterson <rpeterso@redhat.com>
Date: Tue, 11 May 2010 17:58:11 -0400
Subject: [PATCH 1358/3638] GFS2: stuck in inode wait, no glocks stuck

This patch changes the lock ordering when gfs2 reclaims
unlinked dinodes, thereby avoiding a livelock.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/rgrp.c | 78 +++++++++++++++++++-------------------------------
 1 file changed, 30 insertions(+), 48 deletions(-)

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 37391550284..8bce73ed4d8 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -952,16 +952,14 @@ static int try_rgrp_fit(struct gfs2_rgrpd *rgd, struct gfs2_alloc *al)
  *          The inode, if one has been found, in inode.
  */
 
-static int try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked,
-			   u64 skip, struct inode **inode)
+static u64 try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked,
+			   u64 skip)
 {
 	u32 goal = 0, block;
 	u64 no_addr;
 	struct gfs2_sbd *sdp = rgd->rd_sbd;
 	unsigned int n;
-	int error = 0;
 
-	*inode = NULL;
 	for(;;) {
 		if (goal >= rgd->rd_data)
 			break;
@@ -981,10 +979,7 @@ static int try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked,
 		if (no_addr == skip)
 			continue;
 		*last_unlinked = no_addr;
-		error = gfs2_unlinked_inode_lookup(rgd->rd_sbd->sd_vfs,
-						   no_addr, inode);
-		if (*inode || error)
-			return error;
+		return no_addr;
 	}
 
 	rgd->rd_flags &= ~GFS2_RDF_CHECK;
@@ -1069,11 +1064,12 @@ static void forward_rgrp_set(struct gfs2_sbd *sdp, struct gfs2_rgrpd *rgd)
  * Try to acquire rgrp in way which avoids contending with others.
  *
  * Returns: errno
+ *          unlinked: the block address of an unlinked block to be reclaimed
  */
 
-static struct inode *get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked)
+static int get_local_rgrp(struct gfs2_inode *ip, u64 *unlinked,
+			  u64 *last_unlinked)
 {
-	struct inode *inode = NULL;
 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
 	struct gfs2_rgrpd *rgd, *begin = NULL;
 	struct gfs2_alloc *al = ip->i_alloc;
@@ -1082,6 +1078,7 @@ static struct inode *get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked)
 	int loops = 0;
 	int error, rg_locked;
 
+	*unlinked = 0;
 	rgd = gfs2_blk2rgrpd(sdp, ip->i_goal);
 
 	while (rgd) {
@@ -1103,29 +1100,19 @@ static struct inode *get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked)
 			   because that would require an iput which can only
 			   happen after the rgrp is unlocked. */
 			if (!rg_locked && rgd->rd_flags & GFS2_RDF_CHECK)
-				error = try_rgrp_unlink(rgd, last_unlinked,
-							ip->i_no_addr, &inode);
+				*unlinked = try_rgrp_unlink(rgd, last_unlinked,
+							   ip->i_no_addr);
 			if (!rg_locked)
 				gfs2_glock_dq_uninit(&al->al_rgd_gh);
-			if (inode) {
-				if (error) {
-					if (inode->i_state & I_NEW)
-						iget_failed(inode);
-					else
-						iput(inode);
-					return ERR_PTR(error);
-				}
-				return inode;
-			}
-			if (error)
-				return ERR_PTR(error);
+			if (*unlinked)
+				return -EAGAIN;
 			/* fall through */
 		case GLR_TRYFAILED:
 			rgd = recent_rgrp_next(rgd);
 			break;
 
 		default:
-			return ERR_PTR(error);
+			return error;
 		}
 	}
 
@@ -1148,22 +1135,12 @@ static struct inode *get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked)
 			if (try_rgrp_fit(rgd, al))
 				goto out;
 			if (!rg_locked && rgd->rd_flags & GFS2_RDF_CHECK)
-				error = try_rgrp_unlink(rgd, last_unlinked,
-							ip->i_no_addr, &inode);
+				*unlinked = try_rgrp_unlink(rgd, last_unlinked,
+							    ip->i_no_addr);
 			if (!rg_locked)
 				gfs2_glock_dq_uninit(&al->al_rgd_gh);
-			if (inode) {
-				if (error) {
-					if (inode->i_state & I_NEW)
-						iget_failed(inode);
-					else
-						iput(inode);
-					return ERR_PTR(error);
-				}
-				return inode;
-			}
-			if (error)
-				return ERR_PTR(error);
+			if (*unlinked)
+				return -EAGAIN;
 			break;
 
 		case GLR_TRYFAILED:
@@ -1171,7 +1148,7 @@ static struct inode *get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked)
 			break;
 
 		default:
-			return ERR_PTR(error);
+			return error;
 		}
 
 		rgd = gfs2_rgrpd_get_next(rgd);
@@ -1180,7 +1157,7 @@ static struct inode *get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked)
 
 		if (rgd == begin) {
 			if (++loops >= 3)
-				return ERR_PTR(-ENOSPC);
+				return -ENOSPC;
 			if (!skipped)
 				loops++;
 			flags = 0;
@@ -1200,7 +1177,7 @@ out:
 		forward_rgrp_set(sdp, rgd);
 	}
 
-	return NULL;
+	return 0;
 }
 
 /**
@@ -1216,7 +1193,7 @@ int gfs2_inplace_reserve_i(struct gfs2_inode *ip, char *file, unsigned int line)
 	struct gfs2_alloc *al = ip->i_alloc;
 	struct inode *inode;
 	int error = 0;
-	u64 last_unlinked = NO_BLOCK;
+	u64 last_unlinked = NO_BLOCK, unlinked;
 
 	if (gfs2_assert_warn(sdp, al->al_requested))
 		return -EINVAL;
@@ -1232,14 +1209,19 @@ try_again:
 	if (error)
 		return error;
 
-	inode = get_local_rgrp(ip, &last_unlinked);
-	if (inode) {
+	error = get_local_rgrp(ip, &unlinked, &last_unlinked);
+	if (error) {
 		if (ip != GFS2_I(sdp->sd_rindex))
 			gfs2_glock_dq_uninit(&al->al_ri_gh);
-		if (IS_ERR(inode))
-			return PTR_ERR(inode);
-		iput(inode);
+		if (error != -EAGAIN)
+			return error;
+		error = gfs2_unlinked_inode_lookup(ip->i_inode.i_sb,
+						   unlinked, &inode);
+		if (inode)
+			iput(inode);
 		gfs2_log_flush(sdp, NULL);
+		if (error == GLR_TRYFAILED)
+			error = 0;
 		goto try_again;
 	}
 

From 3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9 Mon Sep 17 00:00:00 2001
From: Don Prince <dhprince-devel@yahoo.co.uk>
Date: Wed, 12 May 2010 15:18:59 +0200
Subject: [PATCH 1359/3638] HID: Prodikeys PC-MIDI HID Driver

A specialised HID driver for the Creative Prodikeys PC-MIDI USB Keyboard.

The Prodikeys PC-MIDI is a multifunction keyboard comprising a qwerty keyboard,
multimedia keys and a touch sensitive musical keyboard.

The specialised HID driver adds full support for the musical keyboard and extra
multimedia keys which are not currently handled by the default HID driver.

The specialised HID driver interfaces with ALSA, and presents the midi keyboard
as a rawmidi device. Sustain duration, octave shifting and the midi output
channel can be read/written form userspace via sysfs.

Signed-off-by: Don Prince <dhprince-devel@yahoo.co.uk>
ALSA parts:
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 .../ABI/testing/sysfs-driver-hid-prodikeys    |  29 +
 drivers/hid/Kconfig                           |  16 +
 drivers/hid/Makefile                          |   1 +
 drivers/hid/hid-core.c                        |   1 +
 drivers/hid/hid-ids.h                         |   3 +
 drivers/hid/hid-prodikeys.c                   | 910 ++++++++++++++++++
 6 files changed, 960 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-hid-prodikeys
 create mode 100644 drivers/hid/hid-prodikeys.c

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-prodikeys b/Documentation/ABI/testing/sysfs-driver-hid-prodikeys
new file mode 100644
index 00000000000..05d988c29a8
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-prodikeys
@@ -0,0 +1,29 @@
+What:		/sys/bus/hid/drivers/prodikeys/.../channel
+Date:		April 2010
+KernelVersion:	2.6.34
+Contact:	Don Prince <dhprince.devel@yahoo.co.uk>
+Description:
+		Allows control (via software) the midi channel to which
+		that the pc-midi keyboard will output.midi data.
+		Range: 0..15
+		Type:  Read/write
+What:		/sys/bus/hid/drivers/prodikeys/.../sustain
+Date:		April 2010
+KernelVersion:	2.6.34
+Contact:	Don Prince <dhprince.devel@yahoo.co.uk>
+Description:
+		Allows control (via software) the sustain duration of a
+		note held by the pc-midi driver.
+		0 means sustain mode is disabled.
+		Range: 0..5000 (milliseconds)
+		Type:  Read/write
+What:		/sys/bus/hid/drivers/prodikeys/.../octave
+Date:		April 2010
+KernelVersion:	2.6.34
+Contact:	Don Prince <dhprince.devel@yahoo.co.uk>
+Description:
+		Controls the octave shift modifier in the pc-midi driver.
+		The octave can be shifted via software up/down 2 octaves.
+		0 means the no ocatve shift.
+		Range: -2..2 (minus 2 to plus 2)
+		Type: Read/Write
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 71d4c070362..0c3eee94f5a 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -100,6 +100,22 @@ config HID_CHICONY
 	---help---
 	Support for Chicony Tactical pad.
 
+config HID_PRODIKEYS
+	tristate "Prodikeys PC-MIDI Keyboard support" if EMBEDDED
+	depends on USB_HID && SND
+	select SND_RAWMIDI
+	default !EMBEDDED
+	---help---
+	Support for Prodikeys PC-MIDI Keyboard device support.
+	Say Y here to enable support for this device.
+	- Prodikeys PC-MIDI keyboard.
+	  The Prodikeys PC-MIDI acts as a USB Audio device, with one MIDI
+	  input and one MIDI output. These MIDI jacks appear as
+	  a sound "card" in the ALSA sound system.
+	  Note: if you say N here, this device will still function as a basic
+	  multimedia keyboard, but will lack support for the musical keyboard
+	  and some additional multimedia keys.
+
 config HID_CYPRESS
 	tristate "Cypress" if EMBEDDED
 	depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 0b2618f092c..f637b388030 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_HID_MONTEREY)	+= hid-monterey.o
 obj-$(CONFIG_HID_MOSART)	+= hid-mosart.o
 obj-$(CONFIG_HID_NTRIG)		+= hid-ntrig.o
 obj-$(CONFIG_HID_ORTEK)		+= hid-ortek.o
+obj-$(CONFIG_HID_PRODIKEYS)	+= hid-prodikeys.o
 obj-$(CONFIG_HID_QUANTA)	+= hid-quanta.o
 obj-$(CONFIG_HID_PANTHERLORD)	+= hid-pl.o
 obj-$(CONFIG_HID_PETALYNX)	+= hid-petalynx.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 143e788b729..1c57a9391c8 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1293,6 +1293,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 09d27649a0f..50134431aee 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -148,6 +148,9 @@
 #define USB_DEVICE_ID_CODEMERCS_IOW_FIRST	0x1500
 #define USB_DEVICE_ID_CODEMERCS_IOW_LAST	0x15ff
 
+#define USB_VENDOR_ID_CREATIVELABS	0x041e
+#define USB_DEVICE_ID_PRODIKEYS_PCMIDI	0x2801
+
 #define USB_VENDOR_ID_CYGNAL		0x10c4
 #define USB_DEVICE_ID_CYGNAL_RADIO_SI470X	0x818a
 
diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c
new file mode 100644
index 00000000000..845f428b809
--- /dev/null
+++ b/drivers/hid/hid-prodikeys.c
@@ -0,0 +1,910 @@
+/*
+ *  HID driver for the Prodikeys PC-MIDI Keyboard
+ *  providing midi & extra multimedia keys functionality
+ *
+ *  Copyright (c) 2009 Don Prince <dhprince.devel@yahoo.co.uk>
+ *
+ *  Controls for Octave Shift Up/Down, Channel, and
+ *  Sustain Duration available via sysfs.
+ *
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/mutex.h>
+#include <linux/hid.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/rawmidi.h>
+#include "usbhid/usbhid.h"
+#include "hid-ids.h"
+
+
+#define pk_debug(format, arg...) \
+	pr_debug("hid-prodikeys: " format "\n" , ## arg)
+#define pk_error(format, arg...) \
+	pr_err("hid-prodikeys: " format "\n" , ## arg)
+
+struct pcmidi_snd;
+
+struct pk_device {
+	unsigned long		quirks;
+
+	struct hid_device	*hdev;
+	struct pcmidi_snd	*pm; /* pcmidi device context */
+};
+
+struct pcmidi_snd;
+
+struct pcmidi_sustain {
+	unsigned long		in_use;
+	struct pcmidi_snd	*pm;
+	struct timer_list	timer;
+	unsigned char		status;
+	unsigned char		note;
+	unsigned char		velocity;
+};
+
+#define PCMIDI_SUSTAINED_MAX	32
+struct pcmidi_snd {
+	struct pk_device		*pk;
+	unsigned short			ifnum;
+	struct hid_report		*pcmidi_report6;
+	struct input_dev		*input_ep82;
+	unsigned short			midi_mode;
+	unsigned short			midi_sustain_mode;
+	unsigned short			midi_sustain;
+	unsigned short			midi_channel;
+	short				midi_octave;
+	struct pcmidi_sustain		sustained_notes[PCMIDI_SUSTAINED_MAX];
+	unsigned short			fn_state;
+	unsigned short			last_key[24];
+	spinlock_t			rawmidi_in_lock;
+	struct snd_card			*card;
+	struct snd_rawmidi		*rwmidi;
+	struct snd_rawmidi_substream	*in_substream;
+	struct snd_rawmidi_substream	*out_substream;
+	unsigned long			in_triggered;
+	unsigned long			out_active;
+};
+
+#define PK_QUIRK_NOGET	0x00010000
+#define PCMIDI_MIDDLE_C 60
+#define PCMIDI_CHANNEL_MIN 0
+#define PCMIDI_CHANNEL_MAX 15
+#define PCMIDI_OCTAVE_MIN (-2)
+#define PCMIDI_OCTAVE_MAX 2
+#define PCMIDI_SUSTAIN_MIN 0
+#define PCMIDI_SUSTAIN_MAX 5000
+
+static const char shortname[] = "PC-MIDI";
+static const char longname[] = "Prodikeys PC-MIDI Keyboard";
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+module_param_array(index, int, NULL, 0444);
+module_param_array(id, charp, NULL, 0444);
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for the PC-MIDI virtual audio driver");
+MODULE_PARM_DESC(id, "ID string for the PC-MIDI virtual audio driver");
+MODULE_PARM_DESC(enable, "Enable for the PC-MIDI virtual audio driver");
+
+
+/* Output routine for the sysfs channel file */
+static ssize_t show_channel(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+
+	dbg_hid("pcmidi sysfs read channel=%u\n", pk->pm->midi_channel);
+
+	return sprintf(buf, "%u (min:%u, max:%u)\n", pk->pm->midi_channel,
+		PCMIDI_CHANNEL_MIN, PCMIDI_CHANNEL_MAX);
+}
+
+/* Input routine for the sysfs channel file */
+static ssize_t store_channel(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+
+	unsigned channel = 0;
+
+	if (sscanf(buf, "%u", &channel) > 0 && channel <= PCMIDI_CHANNEL_MAX) {
+		dbg_hid("pcmidi sysfs write channel=%u\n", channel);
+		pk->pm->midi_channel = channel;
+		return strlen(buf);
+	}
+	return -EINVAL;
+}
+
+static DEVICE_ATTR(channel, S_IRUGO | S_IWUGO, show_channel,
+		store_channel);
+
+static struct device_attribute *sysfs_device_attr_channel = {
+		&dev_attr_channel,
+		};
+
+/* Output routine for the sysfs sustain file */
+static ssize_t show_sustain(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+
+	dbg_hid("pcmidi sysfs read sustain=%u\n", pk->pm->midi_sustain);
+
+	return sprintf(buf, "%u (off:%u, max:%u (ms))\n", pk->pm->midi_sustain,
+		PCMIDI_SUSTAIN_MIN, PCMIDI_SUSTAIN_MAX);
+}
+
+/* Input routine for the sysfs sustain file */
+static ssize_t store_sustain(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+
+	unsigned sustain = 0;
+
+	if (sscanf(buf, "%u", &sustain) > 0 && sustain <= PCMIDI_SUSTAIN_MAX) {
+		dbg_hid("pcmidi sysfs write sustain=%u\n", sustain);
+		pk->pm->midi_sustain = sustain;
+		pk->pm->midi_sustain_mode =
+			(0 == sustain || !pk->pm->midi_mode) ? 0 : 1;
+		return strlen(buf);
+	}
+	return -EINVAL;
+}
+
+static DEVICE_ATTR(sustain, S_IRUGO | S_IWUGO, show_sustain,
+		store_sustain);
+
+static struct device_attribute *sysfs_device_attr_sustain = {
+		&dev_attr_sustain,
+		};
+
+/* Output routine for the sysfs octave file */
+static ssize_t show_octave(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+
+	dbg_hid("pcmidi sysfs read octave=%d\n", pk->pm->midi_octave);
+
+	return sprintf(buf, "%d (min:%d, max:%d)\n", pk->pm->midi_octave,
+		PCMIDI_OCTAVE_MIN, PCMIDI_OCTAVE_MAX);
+}
+
+/* Input routine for the sysfs octave file */
+static ssize_t store_octave(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+
+	int octave = 0;
+
+	if (sscanf(buf, "%d", &octave) > 0 &&
+		octave >= PCMIDI_OCTAVE_MIN && octave <= PCMIDI_OCTAVE_MAX) {
+		dbg_hid("pcmidi sysfs write octave=%d\n", octave);
+		pk->pm->midi_octave = octave;
+		return strlen(buf);
+	}
+	return -EINVAL;
+}
+
+static DEVICE_ATTR(octave, S_IRUGO | S_IWUGO, show_octave,
+		store_octave);
+
+static struct device_attribute *sysfs_device_attr_octave = {
+		&dev_attr_octave,
+		};
+
+
+static void pcmidi_send_note(struct pcmidi_snd *pm,
+	unsigned char status, unsigned char note, unsigned char velocity)
+{
+	unsigned long flags;
+	unsigned char buffer[3];
+
+	buffer[0] = status;
+	buffer[1] = note;
+	buffer[2] = velocity;
+
+	spin_lock_irqsave(&pm->rawmidi_in_lock, flags);
+
+	if (!pm->in_substream)
+		goto drop_note;
+	if (!test_bit(pm->in_substream->number, &pm->in_triggered))
+		goto drop_note;
+
+	snd_rawmidi_receive(pm->in_substream, buffer, 3);
+
+drop_note:
+	spin_unlock_irqrestore(&pm->rawmidi_in_lock, flags);
+
+	return;
+}
+
+void pcmidi_sustained_note_release(unsigned long data)
+{
+	struct pcmidi_sustain *pms = (struct pcmidi_sustain *)data;
+
+	pcmidi_send_note(pms->pm, pms->status, pms->note, pms->velocity);
+	pms->in_use = 0;
+}
+
+void init_sustain_timers(struct pcmidi_snd *pm)
+{
+	struct pcmidi_sustain *pms;
+	unsigned i;
+
+	for (i = 0; i < PCMIDI_SUSTAINED_MAX; i++) {
+		pms = &pm->sustained_notes[i];
+		pms->in_use = 0;
+		pms->pm = pm;
+		setup_timer(&pms->timer, pcmidi_sustained_note_release,
+			(unsigned long)pms);
+	}
+}
+
+void stop_sustain_timers(struct pcmidi_snd *pm)
+{
+	struct pcmidi_sustain *pms;
+	unsigned i;
+
+	for (i = 0; i < PCMIDI_SUSTAINED_MAX; i++) {
+		pms = &pm->sustained_notes[i];
+		pms->in_use = 1;
+		del_timer_sync(&pms->timer);
+	}
+}
+
+static int pcmidi_get_output_report(struct pcmidi_snd *pm)
+{
+	struct hid_device *hdev = pm->pk->hdev;
+	struct hid_report *report;
+
+	list_for_each_entry(report,
+		&hdev->report_enum[HID_OUTPUT_REPORT].report_list, list) {
+		if (!(6 == report->id))
+			continue;
+
+		if (report->maxfield < 1) {
+			dev_err(&hdev->dev, "output report is empty\n");
+			break;
+		}
+		if (report->field[0]->report_count != 2) {
+			dev_err(&hdev->dev, "field count too low\n");
+			break;
+		}
+		pm->pcmidi_report6 = report;
+		return 0;
+	}
+	/* should never get here */
+	return -ENODEV;
+}
+
+static void pcmidi_submit_output_report(struct pcmidi_snd *pm, int state)
+{
+	struct hid_device *hdev = pm->pk->hdev;
+	struct hid_report *report = pm->pcmidi_report6;
+	report->field[0]->value[0] = 0x01;
+	report->field[0]->value[1] = state;
+
+	usbhid_submit_report(hdev, report, USB_DIR_OUT);
+}
+
+static int pcmidi_handle_report1(struct pcmidi_snd *pm, u8 *data)
+{
+	u32 bit_mask;
+
+	bit_mask = data[1];
+	bit_mask = (bit_mask << 8) | data[2];
+	bit_mask = (bit_mask << 8) | data[3];
+
+	dbg_hid("pcmidi mode: %d\n", pm->midi_mode);
+
+	/*KEY_MAIL or octave down*/
+	if (pm->midi_mode && bit_mask == 0x004000) {
+		/* octave down */
+		pm->midi_octave--;
+		if (pm->midi_octave < -2)
+			pm->midi_octave = -2;
+		dbg_hid("pcmidi mode: %d octave: %d\n",
+			pm->midi_mode, pm->midi_octave);
+		return 1;
+	}
+	/*KEY_WWW or sustain*/
+	else if (pm->midi_mode && bit_mask == 0x000004) {
+		/* sustain on/off*/
+		pm->midi_sustain_mode ^= 0x1;
+		return 1;
+	}
+
+	return 0; /* continue key processing */
+}
+
+static int pcmidi_handle_report3(struct pcmidi_snd *pm, u8 *data, int size)
+{
+	struct pcmidi_sustain *pms;
+	unsigned i, j;
+	unsigned char status, note, velocity;
+
+	unsigned num_notes = (size-1)/2;
+	for (j = 0; j < num_notes; j++)	{
+		note = data[j*2+1];
+		velocity = data[j*2+2];
+
+		if (note < 0x81) { /* note on */
+			status = 128 + 16 + pm->midi_channel; /* 1001nnnn */
+			note = note - 0x54 + PCMIDI_MIDDLE_C +
+				(pm->midi_octave * 12);
+			if (0 == velocity)
+				velocity = 1; /* force note on */
+		} else { /* note off */
+			status = 128 + pm->midi_channel; /* 1000nnnn */
+			note = note - 0x94 + PCMIDI_MIDDLE_C +
+				(pm->midi_octave*12);
+
+			if (pm->midi_sustain_mode) {
+				for (i = 0; i < PCMIDI_SUSTAINED_MAX; i++) {
+					pms = &pm->sustained_notes[i];
+					if (!pms->in_use) {
+						pms->status = status;
+						pms->note = note;
+						pms->velocity = velocity;
+						pms->in_use = 1;
+
+						mod_timer(&pms->timer,
+							jiffies +
+					msecs_to_jiffies(pm->midi_sustain));
+						return 1;
+					}
+				}
+			}
+		}
+		pcmidi_send_note(pm, status, note, velocity);
+	}
+
+	return 1;
+}
+
+static int pcmidi_handle_report4(struct pcmidi_snd *pm, u8 *data)
+{
+	unsigned	key;
+	u32		bit_mask;
+	u32		bit_index;
+
+	bit_mask = data[1];
+	bit_mask = (bit_mask << 8) | data[2];
+	bit_mask = (bit_mask << 8) | data[3];
+
+	/* break keys */
+	for (bit_index = 0; bit_index < 24; bit_index++) {
+		key = pm->last_key[bit_index];
+		if (!((0x01 << bit_index) & bit_mask)) {
+			input_event(pm->input_ep82, EV_KEY,
+				pm->last_key[bit_index], 0);
+				pm->last_key[bit_index] = 0;
+		}
+	}
+
+	/* make keys */
+	for (bit_index = 0; bit_index < 24; bit_index++) {
+		key = 0;
+		switch ((0x01 << bit_index) & bit_mask) {
+		case 0x000010: /* Fn lock*/
+			pm->fn_state ^= 0x000010;
+			if (pm->fn_state)
+				pcmidi_submit_output_report(pm, 0xc5);
+			else
+				pcmidi_submit_output_report(pm, 0xc6);
+			continue;
+		case 0x020000: /* midi launcher..send a key (qwerty) or not? */
+			pcmidi_submit_output_report(pm, 0xc1);
+			pm->midi_mode ^= 0x01;
+
+			dbg_hid("pcmidi mode: %d\n", pm->midi_mode);
+			continue;
+		case 0x100000: /* KEY_MESSENGER or octave up */
+			dbg_hid("pcmidi mode: %d\n", pm->midi_mode);
+			if (pm->midi_mode) {
+				pm->midi_octave++;
+				if (pm->midi_octave > 2)
+					pm->midi_octave = 2;
+				dbg_hid("pcmidi mode: %d octave: %d\n",
+					pm->midi_mode, pm->midi_octave);
+			    continue;
+			} else
+				key = KEY_MESSENGER;
+			break;
+		case 0x400000:
+			key = KEY_CALENDAR;
+			break;
+		case 0x080000:
+			key = KEY_ADDRESSBOOK;
+			break;
+		case 0x040000:
+			key = KEY_DOCUMENTS;
+			break;
+		case 0x800000:
+			key = KEY_WORDPROCESSOR;
+			break;
+		case 0x200000:
+			key = KEY_SPREADSHEET;
+			break;
+		case 0x010000:
+			key = KEY_COFFEE;
+			break;
+		case 0x000100:
+			key = KEY_HELP;
+			break;
+		case 0x000200:
+			key = KEY_SEND;
+			break;
+		case 0x000400:
+			key = KEY_REPLY;
+			break;
+		case 0x000800:
+			key = KEY_FORWARDMAIL;
+			break;
+		case 0x001000:
+			key = KEY_NEW;
+			break;
+		case 0x002000:
+			key = KEY_OPEN;
+			break;
+		case 0x004000:
+			key = KEY_CLOSE;
+			break;
+		case 0x008000:
+			key = KEY_SAVE;
+			break;
+		case 0x000001:
+			key = KEY_UNDO;
+			break;
+		case 0x000002:
+			key = KEY_REDO;
+			break;
+		case 0x000004:
+			key = KEY_SPELLCHECK;
+			break;
+		case 0x000008:
+			key = KEY_PRINT;
+			break;
+		}
+		if (key) {
+			input_event(pm->input_ep82, EV_KEY, key, 1);
+			pm->last_key[bit_index] = key;
+		}
+	}
+
+	return 1;
+}
+
+int pcmidi_handle_report(
+	struct pcmidi_snd *pm, unsigned report_id, u8 *data, int size)
+{
+	int ret = 0;
+
+	switch (report_id) {
+	case 0x01: /* midi keys (qwerty)*/
+		ret = pcmidi_handle_report1(pm, data);
+		break;
+	case 0x03: /* midi keyboard (musical)*/
+		ret = pcmidi_handle_report3(pm, data, size);
+		break;
+	case 0x04: /* multimedia/midi keys (qwerty)*/
+		ret = pcmidi_handle_report4(pm, data);
+		break;
+	}
+	return ret;
+}
+
+void pcmidi_setup_extra_keys(struct pcmidi_snd *pm, struct input_dev *input)
+{
+	/* reassigned functionality for N/A keys
+		MY PICTURES =>	KEY_WORDPROCESSOR
+		MY MUSIC=>	KEY_SPREADSHEET
+	*/
+	unsigned int keys[] = {
+		KEY_FN,
+		KEY_MESSENGER, KEY_CALENDAR,
+		KEY_ADDRESSBOOK, KEY_DOCUMENTS,
+		KEY_WORDPROCESSOR,
+		KEY_SPREADSHEET,
+		KEY_COFFEE,
+		KEY_HELP, KEY_SEND,
+		KEY_REPLY, KEY_FORWARDMAIL,
+		KEY_NEW, KEY_OPEN,
+		KEY_CLOSE, KEY_SAVE,
+		KEY_UNDO, KEY_REDO,
+		KEY_SPELLCHECK,	KEY_PRINT,
+		0
+	};
+
+	unsigned int *pkeys = &keys[0];
+	unsigned short i;
+
+	if (pm->ifnum != 1)  /* only set up ONCE for interace 1 */
+		return;
+
+	pm->input_ep82 = input;
+
+	for (i = 0; i < 24; i++)
+		pm->last_key[i] = 0;
+
+	while (*pkeys != 0) {
+		set_bit(*pkeys, pm->input_ep82->keybit);
+		++pkeys;
+	}
+}
+
+static int pcmidi_set_operational(struct pcmidi_snd *pm)
+{
+	if (pm->ifnum != 1)
+		return 0; /* only set up ONCE for interace 1 */
+
+	pcmidi_get_output_report(pm);
+	pcmidi_submit_output_report(pm, 0xc1);
+	return 0;
+}
+
+static int pcmidi_snd_free(struct snd_device *dev)
+{
+	return 0;
+}
+
+static int pcmidi_in_open(struct snd_rawmidi_substream *substream)
+{
+	struct pcmidi_snd *pm = substream->rmidi->private_data;
+
+	dbg_hid("pcmidi in open\n");
+	pm->in_substream = substream;
+	return 0;
+}
+
+static int pcmidi_in_close(struct snd_rawmidi_substream *substream)
+{
+	dbg_hid("pcmidi in close\n");
+	return 0;
+}
+
+static void pcmidi_in_trigger(struct snd_rawmidi_substream *substream, int up)
+{
+	struct pcmidi_snd *pm = substream->rmidi->private_data;
+
+	dbg_hid("pcmidi in trigger %d\n", up);
+
+	pm->in_triggered = up;
+}
+
+static struct snd_rawmidi_ops pcmidi_in_ops = {
+	.open = pcmidi_in_open,
+	.close = pcmidi_in_close,
+	.trigger = pcmidi_in_trigger
+};
+
+int pcmidi_snd_initialise(struct pcmidi_snd *pm)
+{
+	static int dev;
+	struct snd_card *card;
+	struct snd_rawmidi *rwmidi;
+	int err;
+
+	static struct snd_device_ops ops = {
+		.dev_free = pcmidi_snd_free,
+	};
+
+	if (pm->ifnum != 1)
+		return 0; /* only set up midi device ONCE for interace 1 */
+
+	if (dev >= SNDRV_CARDS)
+		return -ENODEV;
+
+	if (!enable[dev]) {
+		dev++;
+		return -ENOENT;
+	}
+
+	/* Setup sound card */
+
+	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
+	if (err < 0) {
+		pk_error("failed to create pc-midi sound card\n");
+		err = -ENOMEM;
+		goto fail;
+	}
+	pm->card = card;
+
+	/* Setup sound device */
+	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, pm, &ops);
+	if (err < 0) {
+		pk_error("failed to create pc-midi sound device: error %d\n",
+			err);
+		goto fail;
+	}
+
+	strncpy(card->driver, shortname, sizeof(card->driver));
+	strncpy(card->shortname, shortname, sizeof(card->shortname));
+	strncpy(card->longname, longname, sizeof(card->longname));
+
+	/* Set up rawmidi */
+	err = snd_rawmidi_new(card, card->shortname, 0,
+			      0, 1, &rwmidi);
+	if (err < 0) {
+		pk_error("failed to create pc-midi rawmidi device: error %d\n",
+			err);
+		goto fail;
+	}
+	pm->rwmidi = rwmidi;
+	strncpy(rwmidi->name, card->shortname, sizeof(rwmidi->name));
+	rwmidi->info_flags = SNDRV_RAWMIDI_INFO_INPUT;
+	rwmidi->private_data = pm;
+
+	snd_rawmidi_set_ops(rwmidi, SNDRV_RAWMIDI_STREAM_INPUT,
+		&pcmidi_in_ops);
+
+	snd_card_set_dev(card, &pm->pk->hdev->dev);
+
+	/* create sysfs variables */
+	err = device_create_file(&pm->pk->hdev->dev,
+				 sysfs_device_attr_channel);
+	if (err < 0) {
+		pk_error("failed to create sysfs attribute channel: error %d\n",
+			err);
+		goto fail;
+	}
+
+	err = device_create_file(&pm->pk->hdev->dev,
+				sysfs_device_attr_sustain);
+	if (err < 0) {
+		pk_error("failed to create sysfs attribute sustain: error %d\n",
+			err);
+		goto fail_attr_sustain;
+	}
+
+	err = device_create_file(&pm->pk->hdev->dev,
+			 sysfs_device_attr_octave);
+	if (err < 0) {
+		pk_error("failed to create sysfs attribute octave: error %d\n",
+			err);
+		goto fail_attr_octave;
+	}
+
+	spin_lock_init(&pm->rawmidi_in_lock);
+
+	init_sustain_timers(pm);
+	pcmidi_set_operational(pm);
+
+	/* register it */
+	err = snd_card_register(card);
+	if (err < 0) {
+		pk_error("failed to register pc-midi sound card: error %d\n",
+			 err);
+			 goto fail_register;
+	}
+
+	dbg_hid("pcmidi_snd_initialise finished ok\n");
+	return 0;
+
+fail_register:
+	stop_sustain_timers(pm);
+	device_remove_file(&pm->pk->hdev->dev, sysfs_device_attr_octave);
+fail_attr_octave:
+	device_remove_file(&pm->pk->hdev->dev, sysfs_device_attr_sustain);
+fail_attr_sustain:
+	device_remove_file(&pm->pk->hdev->dev, sysfs_device_attr_channel);
+fail:
+	if (pm->card) {
+		snd_card_free(pm->card);
+		pm->card = NULL;
+	}
+	return err;
+}
+
+int pcmidi_snd_terminate(struct pcmidi_snd *pm)
+{
+	if (pm->card) {
+		stop_sustain_timers(pm);
+
+		device_remove_file(&pm->pk->hdev->dev,
+			sysfs_device_attr_channel);
+		device_remove_file(&pm->pk->hdev->dev,
+			sysfs_device_attr_sustain);
+		device_remove_file(&pm->pk->hdev->dev,
+			sysfs_device_attr_octave);
+
+		snd_card_disconnect(pm->card);
+		snd_card_free_when_closed(pm->card);
+	}
+
+	return 0;
+}
+
+/*
+ * PC-MIDI report descriptor for report id is wrong.
+ */
+static void pk_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+		unsigned int rsize)
+{
+	if (rsize == 178 &&
+	      rdesc[111] == 0x06 && rdesc[112] == 0x00 &&
+	      rdesc[113] == 0xff) {
+		dev_info(&hdev->dev, "fixing up pc-midi keyboard report "
+			"descriptor\n");
+
+		rdesc[144] = 0x18; /* report 4: was 0x10 report count */
+	}
+}
+
+static int pk_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+	struct pcmidi_snd *pm;
+
+	pm = pk->pm;
+
+	if (HID_UP_MSVENDOR == (usage->hid & HID_USAGE_PAGE) &&
+		1 == pm->ifnum) {
+		pcmidi_setup_extra_keys(pm, hi->input);
+		return 0;
+	}
+
+	return 0;
+}
+
+
+static int pk_raw_event(struct hid_device *hdev, struct hid_report *report,
+	u8 *data, int size)
+{
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+	int ret = 0;
+
+	if (1 == pk->pm->ifnum) {
+		if (report->id == data[0])
+			switch (report->id) {
+			case 0x01: /* midi keys (qwerty)*/
+			case 0x03: /* midi keyboard (musical)*/
+			case 0x04: /* extra/midi keys (qwerty)*/
+				ret = pcmidi_handle_report(pk->pm,
+						report->id, data, size);
+				break;
+			}
+	}
+
+	return ret;
+}
+
+static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int ret;
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+	unsigned long quirks = id->driver_data;
+	struct pk_device *pk;
+	struct pcmidi_snd *pm = NULL;
+
+	pk = kzalloc(sizeof(*pk), GFP_KERNEL);
+	if (pk == NULL) {
+		dev_err(&hdev->dev, "prodikeys: can't alloc descriptor\n");
+		return -ENOMEM;
+	}
+
+	pk->hdev = hdev;
+
+	pm = kzalloc(sizeof(*pm), GFP_KERNEL);
+	if (pm == NULL) {
+		dev_err(&hdev->dev,
+			"prodikeys: can't alloc descriptor\n");
+		ret = -ENOMEM;
+		goto err_free;
+	}
+
+	pm->pk = pk;
+	pk->pm = pm;
+	pm->ifnum = ifnum;
+
+	hid_set_drvdata(hdev, pk);
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		dev_err(&hdev->dev, "prodikeys: hid parse failed\n");
+		goto err_free;
+	}
+
+	if (quirks & PK_QUIRK_NOGET) { /* hid_parse cleared all the quirks */
+		hdev->quirks |= HID_QUIRK_NOGET;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (ret) {
+		dev_err(&hdev->dev, "prodikeys: hw start failed\n");
+		goto err_free;
+	}
+
+	ret = pcmidi_snd_initialise(pm);
+	if (ret < 0)
+		goto err_stop;
+
+	return 0;
+err_stop:
+	hid_hw_stop(hdev);
+err_free:
+	if (pm != NULL)
+		kfree(pm);
+
+	kfree(pk);
+	return ret;
+}
+
+static void pk_remove(struct hid_device *hdev)
+{
+	struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+	struct pcmidi_snd *pm;
+
+	pm = pk->pm;
+	if (pm) {
+		pcmidi_snd_terminate(pm);
+		kfree(pm);
+	}
+
+	hid_hw_stop(hdev);
+
+	kfree(pk);
+}
+
+static const struct hid_device_id pk_devices[] = {
+	{HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS,
+		USB_DEVICE_ID_PRODIKEYS_PCMIDI),
+	    .driver_data = PK_QUIRK_NOGET},
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, pk_devices);
+
+static struct hid_driver pk_driver = {
+	.name = "prodikeys",
+	.id_table = pk_devices,
+	.report_fixup = pk_report_fixup,
+	.input_mapping = pk_input_mapping,
+	.raw_event = pk_raw_event,
+	.probe = pk_probe,
+	.remove = pk_remove,
+};
+
+static int pk_init(void)
+{
+	int ret;
+
+	ret = hid_register_driver(&pk_driver);
+	if (ret)
+		printk(KERN_ERR "can't register prodikeys driver\n");
+
+	return ret;
+}
+
+static void pk_exit(void)
+{
+	hid_unregister_driver(&pk_driver);
+}
+
+module_init(pk_init);
+module_exit(pk_exit);
+MODULE_LICENSE("GPL");

From 95736de984dec5b80ea9d6640d4d55ca8ff98db4 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Wed, 12 May 2010 15:27:00 +0200
Subject: [PATCH 1360/3638] HID: make Prodikeys driver standalone config option

Analogically for other full-fledged HID drivers, make the Prodikeys
driver independent on EMBEDDED.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 0c3eee94f5a..26c6f10afcb 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -101,10 +101,9 @@ config HID_CHICONY
 	Support for Chicony Tactical pad.
 
 config HID_PRODIKEYS
-	tristate "Prodikeys PC-MIDI Keyboard support" if EMBEDDED
+	tristate "Prodikeys PC-MIDI Keyboard support"
 	depends on USB_HID && SND
 	select SND_RAWMIDI
-	default !EMBEDDED
 	---help---
 	Support for Prodikeys PC-MIDI Keyboard device support.
 	Say Y here to enable support for this device.

From 23d021167eebf0df5ccadf4f8de5ccb8d4ac2904 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Wed, 12 May 2010 16:01:26 +0200
Subject: [PATCH 1361/3638] HID: magicmouse: fix input registration

When HIDRAW is not set, hid_hw_start() returns ENODEV as no subsystem has
claimed the magicmouse device, and probe routine bails out. Which is not what we want.

This happens because magicmouse driver is instantiating the connection to
Input subsystem itself, and since commit 28918c211d86b ("HID: magicmouse: fix
oops after device removal") the HID core is not registering input device
itself.

Fix this by letting HID core register the input device (so that hid_hw_start()
succeeds, as the device is claimed by at least one subsystem) and de-register
it again later before proceeding with proper input setup.

Reported-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-magicmouse.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 0d471fc2ab8..f10d56a15f2 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -354,12 +354,15 @@ static int magicmouse_probe(struct hid_device *hdev,
 		goto err_free;
 	}
 
-	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_HIDINPUT);
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 	if (ret) {
 		dev_err(&hdev->dev, "magicmouse hw start failed\n");
 		goto err_free;
 	}
 
+	/* we are handling the input ourselves */
+	hidinput_disconnect(hdev);
+
 	report = hid_register_report(hdev, HID_INPUT_REPORT, TOUCH_REPORT_ID);
 	if (!report) {
 		dev_err(&hdev->dev, "unable to register touch report\n");

From d6290a3ead555c0b092d48288b4dc0566580e17f Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Mon, 26 Apr 2010 14:59:09 -0700
Subject: [PATCH 1362/3638] OMAP3: PRCM interrupt: only check and clear enabled
 PRCM IRQs

While handling PRCM IRQs, mask out interrupts that are not enabled in
PRM_IRQENABLE_MPU.  If these are not masked out, non-enabled
interrupts are caught, a WARN() is printed due to no 'handler' and the
events are cleared.  In addition to being noisy, this can also
interfere with independent polling of this register by SR/VP code.

This was noticed using SmartReflex transitions which cause the VPx_*
interrupts to be handled since they are set in PRM_IRQSTATUS_MPU even
but not enabled in PRM_IRQENABLE_MPU.

Acked-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/pm34xx.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index ea0000bc535..a15aa92d384 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -267,13 +267,16 @@ static int _prcm_int_handle_wakeup(void)
  */
 static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id)
 {
-	u32 irqstatus_mpu;
+	u32 irqenable_mpu, irqstatus_mpu;
 	int c = 0;
 
-	do {
-		irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
-					OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
+	irqenable_mpu = prm_read_mod_reg(OCP_MOD,
+					 OMAP3_PRM_IRQENABLE_MPU_OFFSET);
+	irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
+					 OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
+	irqstatus_mpu &= irqenable_mpu;
 
+	do {
 		if (irqstatus_mpu & (OMAP3430_WKUP_ST | OMAP3430_IO_ST)) {
 			c = _prcm_int_handle_wakeup();
 
@@ -292,7 +295,11 @@ static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id)
 		prm_write_mod_reg(irqstatus_mpu, OCP_MOD,
 					OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
 
-	} while (prm_read_mod_reg(OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET));
+		irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
+					OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
+		irqstatus_mpu &= irqenable_mpu;
+
+	} while (irqstatus_mpu);
 
 	return IRQ_HANDLED;
 }

From 8e2efde9f1ba2fb918245f9419246e4e59b42a11 Mon Sep 17 00:00:00 2001
From: Ari Kauppi <Ext-Ari.Kauppi@nokia.com>
Date: Tue, 23 Mar 2010 09:04:59 +0200
Subject: [PATCH 1363/3638] OMAP3: PM: Add milliseconds interface to suspend
 wakeup timer

Millisecond resolution is possible and there are use cases for it
(automatic testing).

Seconds-based interface is preserved for compatibility.

Signed-off-by: Ari Kauppi <Ext-Ari.Kauppi@nokia.com>
Reviewed-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/pm-debug.c |  3 +++
 arch/arm/mach-omap2/pm.h       |  1 +
 arch/arm/mach-omap2/pm34xx.c   | 17 ++++++++++-------
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 6cac9817c24..723b44e252f 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -548,6 +548,9 @@ static int option_set(void *data, u64 val)
 {
 	u32 *option = data;
 
+	if (option == &wakeup_timer_milliseconds && val >= 1000)
+		return -EINVAL;
+
 	*option = val;
 
 	if (option == &enable_off_mode)
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index bd6466a2b03..3de6ece23fc 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -43,6 +43,7 @@ extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
 extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
 
 extern u32 wakeup_timer_seconds;
+extern u32 wakeup_timer_milliseconds;
 extern struct omap_dm_timer *gptimer_wakeup;
 
 #ifdef CONFIG_PM_DEBUG
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index a15aa92d384..e76af5b532a 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -58,6 +58,7 @@
 u32 enable_off_mode;
 u32 sleep_while_idle;
 u32 wakeup_timer_seconds;
+u32 wakeup_timer_milliseconds;
 
 struct power_state {
 	struct powerdomain *pwrdm;
@@ -555,20 +556,21 @@ out:
 #ifdef CONFIG_SUSPEND
 static suspend_state_t suspend_state;
 
-static void omap2_pm_wakeup_on_timer(u32 seconds)
+static void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds)
 {
 	u32 tick_rate, cycles;
 
-	if (!seconds)
+	if (!seconds && !milliseconds)
 		return;
 
 	tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer_wakeup));
-	cycles = tick_rate * seconds;
+	cycles = tick_rate * seconds + tick_rate * milliseconds / 1000;
 	omap_dm_timer_stop(gptimer_wakeup);
 	omap_dm_timer_set_load_start(gptimer_wakeup, 0, 0xffffffff - cycles);
 
-	pr_info("PM: Resume timer in %d secs (%d ticks at %d ticks/sec.)\n",
-		seconds, cycles, tick_rate);
+	pr_info("PM: Resume timer in %u.%03u secs"
+		" (%d ticks at %d ticks/sec.)\n",
+		seconds, milliseconds, cycles, tick_rate);
 }
 
 static int omap3_pm_prepare(void)
@@ -582,8 +584,9 @@ static int omap3_pm_suspend(void)
 	struct power_state *pwrst;
 	int state, ret = 0;
 
-	if (wakeup_timer_seconds)
-		omap2_pm_wakeup_on_timer(wakeup_timer_seconds);
+	if (wakeup_timer_seconds || wakeup_timer_milliseconds)
+		omap2_pm_wakeup_on_timer(wakeup_timer_seconds,
+					 wakeup_timer_milliseconds);
 
 	/* Read current next_pwrsts */
 	list_for_each_entry(pwrst, &pwrst_list, node)

From f3a8cde6bc58d97723cbc965d4d03a7cd86152fb Mon Sep 17 00:00:00 2001
From: Ranjith Lohithakshan <ranjithl@ti.com>
Date: Mon, 3 May 2010 17:07:51 +0530
Subject: [PATCH 1364/3638] OMAP3EVM: Update pad configuration for wakeup
 enabled pads

OMAP3530 TRM section 7.4.4.4.2 requires OFFOUTENABLE to be set (active low)
if wakeup capabilities are enabled on a pad. During OFF mode testing
on OMAP3530 EVM, it was observed that the device was not residing in
the OFF state. The device enters into the OFF state and immediately exits
from that state as if an IO wakeup event has occured. The issue was traced
down to the pad configuration of wkaeup enabled pad's.

Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/board-omap3evm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 017bb2f4f7d..3548fb85912 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -651,10 +651,10 @@ static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 #ifdef CONFIG_OMAP_MUX
 static struct omap_board_mux board_mux[] __initdata = {
 	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
-				OMAP_PIN_OFF_INPUT_PULLUP |
+				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
 				OMAP_PIN_OFF_WAKEUPENABLE),
 	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
-				OMAP_PIN_OFF_INPUT_PULLUP |
+				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
 				OMAP_PIN_OFF_WAKEUPENABLE),
 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 };

From 7a44ad2fce65ed2811ebef4adbc38bcc82cd44a7 Mon Sep 17 00:00:00 2001
From: Ranjith Lohithakshan <ranjithl@ti.com>
Date: Sat, 8 May 2010 12:39:21 +0530
Subject: [PATCH 1365/3638] OMAP3: PM: Enable wakeup from ads7846 touchscreen

This  patch enables the wakeup capabilities of ads7846 touchscreen driver.
ads7846 driver can now wakeup the system from suspend on OMAP3430 EVM
and SDP boards.

The earlier approach of enabling wakeup on the touchscreen GPIO pin during
board level mux init is removed. Instead the wakeup flag in
ads7846_platform_data is enabled. Based on the flag, the ads7846 driver
will do an enable_irq_wake which will eventually call into the OMAP GPIO
layer and will enable the wakeup capability on the GPIO pin.

Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/board-3430sdp.c  | 1 +
 arch/arm/mach-omap2/board-omap3evm.c | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 5822bcf7b15..e7d629b3c76 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -150,6 +150,7 @@ static int ads7846_get_pendown_state(void)
 static struct ads7846_platform_data tsc2046_config __initdata = {
 	.get_pendown_state	= ads7846_get_pendown_state,
 	.keep_vref_on		= 1,
+	.wakeup				= true,
 };
 
 
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 3548fb85912..cfbe695103d 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -600,6 +600,7 @@ struct ads7846_platform_data ads7846_config = {
 	.get_pendown_state	= ads7846_get_pendown_state,
 	.keep_vref_on		= 1,
 	.settle_delay_usecs	= 150,
+	.wakeup				= true,
 };
 
 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
@@ -654,8 +655,7 @@ static struct omap_board_mux board_mux[] __initdata = {
 				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
 				OMAP_PIN_OFF_WAKEUPENABLE),
 	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
-				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
-				OMAP_PIN_OFF_WAKEUPENABLE),
+				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW),
 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 };
 #else

From 40742fa82ebf53c9367f5807cf1012d518516e74 Mon Sep 17 00:00:00 2001
From: Mike Chan <mike@android.com>
Date: Mon, 3 May 2010 16:04:06 -0700
Subject: [PATCH 1366/3638] OMAP3: PM: Enable IO / IO-CHAIN wakeups for PER

IO events can also come from GPIO modules, which reside in the PER domain.
It is possible for the PER to enter RET while CORE is still in ON.
If GPIO 2-6 are enabled for IO-pad wakeups, the PER domain will not
wakeup in this case, unless we enable it.

Signed-off-by: Mike Chan <mike@android.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/pm34xx.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index e76af5b532a..eec0916de81 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -379,9 +379,16 @@ void omap_sram_idle(void)
 	if (pwrdm_read_pwrst(neon_pwrdm) == PWRDM_POWER_ON)
 		pwrdm_set_next_pwrst(neon_pwrdm, mpu_next_state);
 
-	/* PER */
+	/* Enable IO-PAD and IO-CHAIN wakeups */
 	per_next_state = pwrdm_read_next_pwrst(per_pwrdm);
 	core_next_state = pwrdm_read_next_pwrst(core_pwrdm);
+	if (per_next_state < PWRDM_POWER_ON ||
+			core_next_state < PWRDM_POWER_ON) {
+		prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
+		omap3_enable_io_chain();
+	}
+
+	/* PER */
 	if (per_next_state < PWRDM_POWER_ON) {
 		omap_uart_prepare_idle(2);
 		omap2_gpio_prepare_for_retention();
@@ -406,10 +413,8 @@ void omap_sram_idle(void)
 			omap3_core_save_context();
 			omap3_prcm_save_context();
 		}
-		/* Enable IO-PAD and IO-CHAIN wakeups */
-		prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
-		omap3_enable_io_chain();
 	}
+
 	omap3_intc_prepare_idle();
 
 	/*
@@ -471,7 +476,8 @@ void omap_sram_idle(void)
 	}
 
 	/* Disable IO-PAD and IO-CHAIN wakeup */
-	if (core_next_state < PWRDM_POWER_ON) {
+	if (per_next_state < PWRDM_POWER_ON ||
+			core_next_state < PWRDM_POWER_ON) {
 		prm_clear_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
 		omap3_disable_io_chain();
 	}

From 331b9e3d61cba2ad089f3f1fe2ef0122679337a1 Mon Sep 17 00:00:00 2001
From: Mike Chan <mike@android.com>
Date: Mon, 3 May 2010 16:04:07 -0700
Subject: [PATCH 1367/3638] OMAP3: PM: Remove PER wakeup dependency on CORE.

We can remove this wakeup dependency since now, when
GPIO2-6 are enabled for IO-pad wakeup, PER domain is gauranteed
to be awake or be woken up to service.

The previous dependency did not handle all corner cases. Since there
was no sleep dependency between CORE and PER domains, if PER enters
RET and CORE is ON, PER will not be active for GPIO handling.

Signed-off-by: Mike Chan <mike@android.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/pm34xx.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index eec0916de81..1d7169855ac 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -1096,14 +1096,6 @@ static int __init omap3_pm_init(void)
 	omap3_idle_init();
 
 	clkdm_add_wkdep(neon_clkdm, mpu_clkdm);
-	/*
-	 * REVISIT: This wkdep is only necessary when GPIO2-6 are enabled for
-	 * IO-pad wakeup.  Otherwise it will unnecessarily waste power
-	 * waking up PER with every CORE wakeup - see
-	 * http://marc.info/?l=linux-omap&m=121852150710062&w=2
-	*/
-	clkdm_add_wkdep(per_clkdm, core_clkdm);
-
 	if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
 		omap3_secure_ram_storage =
 			kmalloc(0x803F, GFP_KERNEL);

From a118b5f3391fc60e1619a79f8ceb070bb7b39b2d Mon Sep 17 00:00:00 2001
From: Tero Kristo <tero.kristo@nokia.com>
Date: Mon, 22 Dec 2008 14:27:12 +0200
Subject: [PATCH 1368/3638] OMAP3: GPIO fixes for off-mode

Off mode is now using the omap2 retention fix code for scanning GPIOs
during off-mode transitions. All the *non_wakeup_gpios variables
are now used for off-mode transition tracking on OMAP3. This patch fixes
cases where GPIO state changes are missed during off-mode.

Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/pm34xx.c | 10 ++++++----
 arch/arm/plat-omap/gpio.c    | 19 ++++++++++++++-----
 2 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index ea0000bc535..5de07db636b 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -376,14 +376,15 @@ void omap_sram_idle(void)
 	core_next_state = pwrdm_read_next_pwrst(core_pwrdm);
 	if (per_next_state < PWRDM_POWER_ON) {
 		omap_uart_prepare_idle(2);
-		omap2_gpio_prepare_for_retention();
 		if (per_next_state == PWRDM_POWER_OFF) {
 			if (core_next_state == PWRDM_POWER_ON) {
 				per_next_state = PWRDM_POWER_RET;
 				pwrdm_set_next_pwrst(per_pwrdm, per_next_state);
 				per_state_modified = 1;
-			} else
+			} else {
+				omap2_gpio_prepare_for_retention();
 				omap3_per_save_context();
+			}
 		}
 	}
 
@@ -454,9 +455,10 @@ void omap_sram_idle(void)
 	/* PER */
 	if (per_next_state < PWRDM_POWER_ON) {
 		per_prev_state = pwrdm_read_prev_pwrst(per_pwrdm);
-		if (per_prev_state == PWRDM_POWER_OFF)
+		if (per_prev_state == PWRDM_POWER_OFF) {
 			omap3_per_restore_context();
-		omap2_gpio_resume_after_retention();
+			omap2_gpio_resume_after_retention();
+		}
 		omap_uart_resume_idle(2);
 		if (per_state_modified)
 			pwrdm_set_next_pwrst(per_pwrdm, PWRDM_POWER_OFF);
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 45a225d0912..6216f4f09e8 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -731,7 +731,9 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
 				__raw_writel(1 << gpio, bank->base
 					+ OMAP24XX_GPIO_CLEARWKUENA);
 		}
-	} else {
+	}
+	/* This part needs to be executed always for OMAP34xx */
+	if (cpu_is_omap34xx() || (bank->non_wakeup_gpios & gpio_bit)) {
 		if (trigger != 0)
 			bank->enabled_non_wakeup_gpios |= gpio_bit;
 		else
@@ -1845,7 +1847,8 @@ static int __init _omap_gpio_init(void)
 				__raw_writel(0, bank->base +
 						OMAP24XX_GPIO_CTRL);
 			}
-			if (i < ARRAY_SIZE(non_wakeup_gpios))
+			if (cpu_is_omap24xx() &&
+			    i < ARRAY_SIZE(non_wakeup_gpios))
 				bank->non_wakeup_gpios = non_wakeup_gpios[i];
 			gpio_count = 32;
 		}
@@ -2031,10 +2034,13 @@ static int workaround_enabled;
 void omap2_gpio_prepare_for_retention(void)
 {
 	int i, c = 0;
+	int min = 0;
 
+	if (cpu_is_omap34xx())
+		min = 1;
 	/* Remove triggering for all non-wakeup GPIOs.  Otherwise spurious
 	 * IRQs will be generated.  See OMAP2420 Errata item 1.101. */
-	for (i = 0; i < gpio_bank_count; i++) {
+	for (i = min; i < gpio_bank_count; i++) {
 		struct gpio_bank *bank = &gpio_bank[i];
 		u32 l1, l2;
 
@@ -2088,10 +2094,13 @@ void omap2_gpio_prepare_for_retention(void)
 void omap2_gpio_resume_after_retention(void)
 {
 	int i;
+	int min = 0;
 
 	if (!workaround_enabled)
 		return;
-	for (i = 0; i < gpio_bank_count; i++) {
+	if (cpu_is_omap34xx())
+		min = 1;
+	for (i = min; i < gpio_bank_count; i++) {
 		struct gpio_bank *bank = &gpio_bank[i];
 		u32 l, gen, gen0, gen1;
 
@@ -2119,7 +2128,7 @@ void omap2_gpio_resume_after_retention(void)
 		 * horribly racy, but it's the best we can do to work around
 		 * this silicon bug. */
 		l ^= bank->saved_datain;
-		l &= bank->non_wakeup_gpios;
+		l &= bank->enabled_non_wakeup_gpios;
 
 		/*
 		 * No need to generate IRQs for the rising edge for gpio IRQs

From 699117a69f53efbdf8fddbd6d991575c0a22fd74 Mon Sep 17 00:00:00 2001
From: Chunqiu Wang <cqwang@motorola.com>
Date: Wed, 24 Jun 2009 17:13:39 +0000
Subject: [PATCH 1369/3638] OMAP3: GPIO: Only enable WAKEUPEN for edge
 detection GPIOs

According to the GPIO 'Wakeup and Interrupt' section of the TRM[1],
wake-up requests can only be generated on edge transitions.

Also for OMAP3, only edge GPIOs may lose interrupts when PER enters
RET/OFF state, this is addressed by gpio prepare|resume idle functions

[1] Section 25.5.3.1 OMAP34xx_ES3.1_TRM_V_Q

Signed-off-by: Chunqiu Wang <cqwang@motorola.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/plat-omap/gpio.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 6216f4f09e8..2f185ffaca4 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -724,7 +724,11 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
 							 OMAP4_GPIO_IRQWAKEN0);
 			}
 		} else {
-			if (trigger != 0)
+			/*
+			 * GPIO wakeup request can only be generated on edge
+			 * transitions
+			 */
+			if (trigger & IRQ_TYPE_EDGE_BOTH)
 				__raw_writel(1 << gpio, bank->base
 					+ OMAP24XX_GPIO_SETWKUENA);
 			else
@@ -734,7 +738,13 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
 	}
 	/* This part needs to be executed always for OMAP34xx */
 	if (cpu_is_omap34xx() || (bank->non_wakeup_gpios & gpio_bit)) {
-		if (trigger != 0)
+		/*
+		 * Log the edge gpio and manually trigger the IRQ
+		 * after resume if the input level changes
+		 * to avoid irq lost during PER RET/OFF mode
+		 * Applies for omap2 non-wakeup gpio and all omap3 gpios
+		 */
+		if (trigger & IRQ_TYPE_EDGE_BOTH)
 			bank->enabled_non_wakeup_gpios |= gpio_bit;
 		else
 			bank->enabled_non_wakeup_gpios &= ~gpio_bit;

From 43ffcd9a042858a9e9f9fe014bb073e55db34c67 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Tue, 27 Jan 2009 11:09:24 -0800
Subject: [PATCH 1370/3638] OMAP2/3: GPIO: generalize prepare for idle

Currently, the GPIO 'prepare' hook is only called when going to
off-mode, while the function is called 'prepare_for_retention.'  This
patch renames the function to 'prepare_for_idle' and calls it for any
powersate != PWRDM_POWER_ON passing in the powerstate.

The hook itself is then responsible for doing various preparation
based on the powerstate.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/pm24xx.c           |  4 ++--
 arch/arm/mach-omap2/pm34xx.c           | 10 ++++------
 arch/arm/plat-omap/gpio.c              | 19 +++++++++++++------
 arch/arm/plat-omap/include/plat/gpio.h |  4 ++--
 4 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 374299ea7ad..7816c4e84a3 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -107,7 +107,7 @@ static void omap2_enter_full_retention(void)
 	l = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0) | OMAP24XX_USBSTANDBYCTRL;
 	omap_ctrl_writel(l, OMAP2_CONTROL_DEVCONF0);
 
-	omap2_gpio_prepare_for_retention();
+	omap2_gpio_prepare_for_idle(PWRDM_POWER_RET);
 
 	if (omap2_pm_debug) {
 		omap2_pm_dump(0, 0, 0);
@@ -141,7 +141,7 @@ no_sleep:
 		tmp = timespec_to_ns(&ts_idle) * NSEC_PER_USEC;
 		omap2_pm_dump(0, 1, tmp);
 	}
-	omap2_gpio_resume_after_retention();
+	omap2_gpio_resume_after_idle();
 
 	clk_enable(osc_ck);
 
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 5de07db636b..468e1e3321e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -376,15 +376,14 @@ void omap_sram_idle(void)
 	core_next_state = pwrdm_read_next_pwrst(core_pwrdm);
 	if (per_next_state < PWRDM_POWER_ON) {
 		omap_uart_prepare_idle(2);
+		omap2_gpio_prepare_for_idle(per_next_state);
 		if (per_next_state == PWRDM_POWER_OFF) {
 			if (core_next_state == PWRDM_POWER_ON) {
 				per_next_state = PWRDM_POWER_RET;
 				pwrdm_set_next_pwrst(per_pwrdm, per_next_state);
 				per_state_modified = 1;
-			} else {
-				omap2_gpio_prepare_for_retention();
+			} else
 				omap3_per_save_context();
-			}
 		}
 	}
 
@@ -455,10 +454,9 @@ void omap_sram_idle(void)
 	/* PER */
 	if (per_next_state < PWRDM_POWER_ON) {
 		per_prev_state = pwrdm_read_prev_pwrst(per_pwrdm);
-		if (per_prev_state == PWRDM_POWER_OFF) {
+		omap2_gpio_resume_after_idle();
+		if (per_prev_state == PWRDM_POWER_OFF)
 			omap3_per_restore_context();
-			omap2_gpio_resume_after_retention();
-		}
 		omap_uart_resume_idle(2);
 		if (per_state_modified)
 			pwrdm_set_next_pwrst(per_pwrdm, PWRDM_POWER_OFF);
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 2f185ffaca4..1c81340ce65 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -27,6 +27,7 @@
 #include <mach/irqs.h>
 #include <mach/gpio.h>
 #include <asm/mach/irq.h>
+#include <plat/powerdomain.h>
 
 /*
  * OMAP1510 GPIO registers
@@ -2041,19 +2042,24 @@ static struct sys_device omap_gpio_device = {
 
 static int workaround_enabled;
 
-void omap2_gpio_prepare_for_retention(void)
+void omap2_gpio_prepare_for_idle(int power_state)
 {
 	int i, c = 0;
 	int min = 0;
 
 	if (cpu_is_omap34xx())
 		min = 1;
-	/* Remove triggering for all non-wakeup GPIOs.  Otherwise spurious
-	 * IRQs will be generated.  See OMAP2420 Errata item 1.101. */
+
 	for (i = min; i < gpio_bank_count; i++) {
 		struct gpio_bank *bank = &gpio_bank[i];
 		u32 l1, l2;
 
+		if (power_state > PWRDM_POWER_OFF)
+			continue;
+
+		/* If going to OFF, remove triggering for all
+		 * non-wakeup GPIOs.  Otherwise spurious IRQs will be
+		 * generated.  See OMAP2420 Errata item 1.101. */
 		if (!(bank->enabled_non_wakeup_gpios))
 			continue;
 
@@ -2101,19 +2107,20 @@ void omap2_gpio_prepare_for_retention(void)
 	workaround_enabled = 1;
 }
 
-void omap2_gpio_resume_after_retention(void)
+void omap2_gpio_resume_after_idle(void)
 {
 	int i;
 	int min = 0;
 
-	if (!workaround_enabled)
-		return;
 	if (cpu_is_omap34xx())
 		min = 1;
 	for (i = min; i < gpio_bank_count; i++) {
 		struct gpio_bank *bank = &gpio_bank[i];
 		u32 l, gen, gen0, gen1;
 
+		if (!workaround_enabled)
+			continue;
+
 		if (!(bank->enabled_non_wakeup_gpios))
 			continue;
 
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index de7c54731cb..de1c604962e 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -72,8 +72,8 @@
 				 IH_GPIO_BASE + (nr))
 
 extern int omap_gpio_init(void);	/* Call from board init only */
-extern void omap2_gpio_prepare_for_retention(void);
-extern void omap2_gpio_resume_after_retention(void);
+extern void omap2_gpio_prepare_for_idle(int power_state);
+extern void omap2_gpio_resume_after_idle(void);
 extern void omap_set_gpio_debounce(int gpio, int enable);
 extern void omap_set_gpio_debounce_time(int gpio, int enable);
 extern void omap_gpio_save_context(void);

From 8865b9b6d5e1601453ea20c37eb981c6ccc3f4e9 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Tue, 27 Jan 2009 11:15:34 -0800
Subject: [PATCH 1371/3638] OMAP3: GPIO: disable GPIO debounce clocks on idle

Ensure GPIO debounce clocks are disabled when idle.  Otherwise,
clocks will prevent PER powerdomain from entering retention.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/plat-omap/gpio.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 1c81340ce65..c6e1de52711 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -196,6 +196,7 @@ struct gpio_bank {
 	struct gpio_chip chip;
 	struct clk *dbck;
 	u32 mod_usage;
+	u32 dbck_enable_mask;
 };
 
 #define METHOD_MPUIO		0
@@ -647,6 +648,7 @@ void omap_set_gpio_debounce(int gpio, int enable)
 		goto done;
 
 	if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
+		bank->dbck_enable_mask = val;
 		if (enable)
 			clk_enable(bank->dbck);
 		else
@@ -2054,6 +2056,9 @@ void omap2_gpio_prepare_for_idle(int power_state)
 		struct gpio_bank *bank = &gpio_bank[i];
 		u32 l1, l2;
 
+		if (bank->dbck_enable_mask)
+			clk_disable(bank->dbck);
+
 		if (power_state > PWRDM_POWER_OFF)
 			continue;
 
@@ -2118,6 +2123,9 @@ void omap2_gpio_resume_after_idle(void)
 		struct gpio_bank *bank = &gpio_bank[i];
 		u32 l, gen, gen0, gen1;
 
+		if (bank->dbck_enable_mask)
+			clk_enable(bank->dbck);
+
 		if (!workaround_enabled)
 			continue;
 

From c872670799d5a41fe2c1f2ccf7c531b5661dcfba Mon Sep 17 00:00:00 2001
From: Tero Kristo <tero.kristo@nokia.com>
Date: Mon, 3 May 2010 15:53:57 -0700
Subject: [PATCH 1372/3638] OMAP3: GPIO: Removed a couple of unneeded registers
 from context save/restore

setwkuena and setdataout are covered already by wake_en and dataout fields.

Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/plat-omap/gpio.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index c6e1de52711..b895cc9c6b7 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -305,8 +305,6 @@ struct omap3_gpio_regs {
 	u32 risingdetect;
 	u32 fallingdetect;
 	u32 dataout;
-	u32 setwkuena;
-	u32 setdataout;
 };
 
 static struct omap3_gpio_regs gpio_context[OMAP34XX_NR_GPIOS];
@@ -2241,10 +2239,6 @@ void omap_gpio_save_context(void)
 			__raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT);
 		gpio_context[i].dataout =
 			__raw_readl(bank->base + OMAP24XX_GPIO_DATAOUT);
-		gpio_context[i].setwkuena =
-			__raw_readl(bank->base + OMAP24XX_GPIO_SETWKUENA);
-		gpio_context[i].setdataout =
-			__raw_readl(bank->base + OMAP24XX_GPIO_SETDATAOUT);
 	}
 }
 
@@ -2277,10 +2271,6 @@ void omap_gpio_restore_context(void)
 				bank->base + OMAP24XX_GPIO_FALLINGDETECT);
 		__raw_writel(gpio_context[i].dataout,
 				bank->base + OMAP24XX_GPIO_DATAOUT);
-		__raw_writel(gpio_context[i].setwkuena,
-				bank->base + OMAP24XX_GPIO_SETWKUENA);
-		__raw_writel(gpio_context[i].setdataout,
-				bank->base + OMAP24XX_GPIO_SETDATAOUT);
 	}
 }
 #endif

From d009559a4215c71694b1a29ec0e520453087a9f6 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Mon, 14 Dec 2009 15:14:51 -0800
Subject: [PATCH 1373/3638] OMAP: GPIO: remove duplicate debugfs interface

The generic gpiolib provides a debugfs interface to GPIOs which
provides identical (but nicer looking) data as the OMAP specific one.

This patch completely drops the OMAP specific interface
(/debug/omap_gpio) in favor of using the generic one (/debug/gpio.)

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/plat-omap/gpio.c | 107 --------------------------------------
 1 file changed, 107 deletions(-)

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index b895cc9c6b7..955597fd6d3 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -2310,110 +2310,3 @@ static int __init omap_gpio_sysinit(void)
 }
 
 arch_initcall(omap_gpio_sysinit);
-
-
-#ifdef	CONFIG_DEBUG_FS
-
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-
-static int dbg_gpio_show(struct seq_file *s, void *unused)
-{
-	unsigned	i, j, gpio;
-
-	for (i = 0, gpio = 0; i < gpio_bank_count; i++) {
-		struct gpio_bank	*bank = gpio_bank + i;
-		unsigned		bankwidth = 16;
-		u32			mask = 1;
-
-		if (bank_is_mpuio(bank))
-			gpio = OMAP_MPUIO(0);
-		else if (cpu_class_is_omap2() || cpu_is_omap7xx())
-			bankwidth = 32;
-
-		for (j = 0; j < bankwidth; j++, gpio++, mask <<= 1) {
-			unsigned	irq, value, is_in, irqstat;
-			const char	*label;
-
-			label = gpiochip_is_requested(&bank->chip, j);
-			if (!label)
-				continue;
-
-			irq = bank->virtual_irq_start + j;
-			value = gpio_get_value(gpio);
-			is_in = gpio_is_input(bank, mask);
-
-			if (bank_is_mpuio(bank))
-				seq_printf(s, "MPUIO %2d ", j);
-			else
-				seq_printf(s, "GPIO %3d ", gpio);
-			seq_printf(s, "(%-20.20s): %s %s",
-					label,
-					is_in ? "in " : "out",
-					value ? "hi"  : "lo");
-
-/* FIXME for at least omap2, show pullup/pulldown state */
-
-			irqstat = irq_desc[irq].status;
-#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS)
-			if (is_in && ((bank->suspend_wakeup & mask)
-					|| irqstat & IRQ_TYPE_SENSE_MASK)) {
-				char	*trigger = NULL;
-
-				switch (irqstat & IRQ_TYPE_SENSE_MASK) {
-				case IRQ_TYPE_EDGE_FALLING:
-					trigger = "falling";
-					break;
-				case IRQ_TYPE_EDGE_RISING:
-					trigger = "rising";
-					break;
-				case IRQ_TYPE_EDGE_BOTH:
-					trigger = "bothedge";
-					break;
-				case IRQ_TYPE_LEVEL_LOW:
-					trigger = "low";
-					break;
-				case IRQ_TYPE_LEVEL_HIGH:
-					trigger = "high";
-					break;
-				case IRQ_TYPE_NONE:
-					trigger = "(?)";
-					break;
-				}
-				seq_printf(s, ", irq-%d %-8s%s",
-						irq, trigger,
-						(bank->suspend_wakeup & mask)
-							? " wakeup" : "");
-			}
-#endif
-			seq_printf(s, "\n");
-		}
-
-		if (bank_is_mpuio(bank)) {
-			seq_printf(s, "\n");
-			gpio = 0;
-		}
-	}
-	return 0;
-}
-
-static int dbg_gpio_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, dbg_gpio_show, &inode->i_private);
-}
-
-static const struct file_operations debug_fops = {
-	.open		= dbg_gpio_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static int __init omap_gpio_debuginit(void)
-{
-	(void) debugfs_create_file("omap_gpio", S_IRUGO,
-					NULL, NULL, &debug_fops);
-	return 0;
-}
-late_initcall(omap_gpio_debuginit);
-#endif

From 1cd2620ca9332943c9fff84c0c9240982534d840 Mon Sep 17 00:00:00 2001
From: Peter Huewe <peterhuewe@gmx.de>
Date: Thu, 13 May 2010 00:06:54 +0200
Subject: [PATCH 1374/3638] mtd/nand/sh_flctl: Move function mtd_to_flctl to
 fix build failure

This patch fixes a build failure[1] by simply moving the function mtd_to_flctl
beneath the definition of sh_flctl which it uses.

BF introduced by patch
'mtd/nand/sh_flctl: Replace the dangerous mtd_to_flctl macro' (67026418)

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 include/linux/mtd/sh_flctl.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h
index 178b5c26c99..9cf4c4c7955 100644
--- a/include/linux/mtd/sh_flctl.h
+++ b/include/linux/mtd/sh_flctl.h
@@ -93,11 +93,6 @@
 #define INIT_FL4ECCRESULT_VAL	0x03FF03FF
 #define LOOP_TIMEOUT_MAX	0x00010000
 
-static inline struct sh_flctl *mtd_to_flctl(struct mtd_info *mtdinfo)
-{
-	return container_of(mtdinfo, struct sh_flctl, mtd);
-}
-
 struct sh_flctl {
 	struct mtd_info		mtd;
 	struct nand_chip	chip;
@@ -128,4 +123,9 @@ struct sh_flctl_platform_data {
 	unsigned has_hwecc:1;
 };
 
+static inline struct sh_flctl *mtd_to_flctl(struct mtd_info *mtdinfo)
+{
+	return container_of(mtdinfo, struct sh_flctl, mtd);
+}
+
 #endif	/* __SH_FLCTL_H__ */

From 62e823a2cba18509ee826d775270e8ef9071b5bc Mon Sep 17 00:00:00 2001
From: Jing Zhang <zj.barak@gmail.com>
Date: Thu, 13 May 2010 00:00:00 -0400
Subject: [PATCH 1375/3638] ext4: Remove unnecessary call to
 ext4_get_group_desc() in mballoc

Signed-off-by: Jing Zhang <zj.barak@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index b423a364dca..0550ea3532f 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2025,7 +2025,6 @@ repeat:
 
 		for (i = 0; i < ngroups; group++, i++) {
 			struct ext4_group_info *grp;
-			struct ext4_group_desc *desc;
 
 			if (group == ngroups)
 				group = 0;
@@ -2048,7 +2047,6 @@ repeat:
 			}
 
 			ac->ac_groups_scanned++;
-			desc = ext4_get_group_desc(sb, group, NULL);
 			if (cr == 0)
 				ext4_mb_simple_scan_group(ac, &e4b);
 			else if (cr == 1 &&

From ce082596ae4308f67f0953a67db508bb085520fa Mon Sep 17 00:00:00 2001
From: Jason Roberts <jason.e.roberts@intel.com>
Date: Thu, 13 May 2010 15:57:33 +0100
Subject: [PATCH 1376/3638] mtd/nand: Add Intel Moorestown/Denali NAND support

There is more work to be done on this but it is basically working now.

Signed-off-by: Jason Roberts <jason.e.roberts@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig  |   17 +
 drivers/mtd/nand/Makefile |    1 +
 drivers/mtd/nand/denali.c | 2134 +++++++++++++++++++++++++++++++++++++
 drivers/mtd/nand/denali.h |  816 ++++++++++++++
 4 files changed, 2968 insertions(+)
 create mode 100644 drivers/mtd/nand/denali.c
 create mode 100644 drivers/mtd/nand/denali.h

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 8f402d46a36..98a04b3c952 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -50,6 +50,23 @@ config MTD_NAND_AUTCPU12
 	  This enables the driver for the autronix autcpu12 board to
 	  access the SmartMediaCard.
 
+config MTD_NAND_DENALI
+       depends on PCI
+        tristate "Support Denali NAND controller on Intel Moorestown"
+        help
+          Enable the driver for NAND flash on Intel Moorestown, using the
+          Denali NAND controller core.
+ 
+config MTD_NAND_DENALI_SCRATCH_REG_ADDR
+        hex "Denali NAND size scratch register address"
+        default "0xFF108018"
+        help
+          Some platforms place the NAND chip size in a scratch register
+          because (some versions of) the driver aren't able to automatically
+          determine the size of certain chips. Set the address of the
+          scratch register here to enable this feature. On Intel Moorestown
+          boards, the scratch register is at 0xFF108018.
+
 config MTD_NAND_EDB7312
 	tristate "Support for Cirrus Logic EBD7312 evaluation board"
 	depends on ARCH_EDB7312
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 04bccf9d7b5..e8ab884ba47 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_MTD_NAND_CAFE)		+= cafe_nand.o
 obj-$(CONFIG_MTD_NAND_SPIA)		+= spia.o
 obj-$(CONFIG_MTD_NAND_AMS_DELTA)	+= ams-delta.o
 obj-$(CONFIG_MTD_NAND_AUTCPU12)		+= autcpu12.o
+obj-$(CONFIG_MTD_NAND_DENALI)		+= denali.o
 obj-$(CONFIG_MTD_NAND_EDB7312)		+= edb7312.o
 obj-$(CONFIG_MTD_NAND_AU1550)		+= au1550nd.o
 obj-$(CONFIG_MTD_NAND_BF5XX)		+= bf5xx_nand.o
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
new file mode 100644
index 00000000000..8a6ce0dd953
--- /dev/null
+++ b/drivers/mtd/nand/denali.c
@@ -0,0 +1,2134 @@
+/*
+ * NAND Flash Controller Device Driver
+ * Copyright © 2009-2010, Intel Corporation and its suppliers.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/wait.h>
+#include <linux/mutex.h>
+#include <linux/pci.h>
+#include <linux/mtd/mtd.h>
+#include <linux/module.h>
+
+#include "denali.h"
+
+MODULE_LICENSE("GPL");
+
+/* We define a module parameter that allows the user to override 
+ * the hardware and decide what timing mode should be used.
+ */
+#define NAND_DEFAULT_TIMINGS	-1
+
+static int onfi_timing_mode = NAND_DEFAULT_TIMINGS;
+module_param(onfi_timing_mode, int, S_IRUGO);
+MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting. -1 indicates"
+					" use default timings");
+
+#define DENALI_NAND_NAME    "denali-nand"
+
+/* We define a macro here that combines all interrupts this driver uses into
+ * a single constant value, for convenience. */
+#define DENALI_IRQ_ALL	(INTR_STATUS0__DMA_CMD_COMP | \
+			INTR_STATUS0__ECC_TRANSACTION_DONE | \
+			INTR_STATUS0__ECC_ERR | \
+			INTR_STATUS0__PROGRAM_FAIL | \
+			INTR_STATUS0__LOAD_COMP | \
+			INTR_STATUS0__PROGRAM_COMP | \
+			INTR_STATUS0__TIME_OUT | \
+			INTR_STATUS0__ERASE_FAIL | \
+			INTR_STATUS0__RST_COMP | \
+			INTR_STATUS0__ERASE_COMP)
+
+/* indicates whether or not the internal value for the flash bank is 
+   valid or not */
+#define CHIP_SELECT_INVALID 	-1
+
+#define SUPPORT_8BITECC		1
+
+/* This macro divides two integers and rounds fractional values up 
+ * to the nearest integer value. */
+#define CEIL_DIV(X, Y) (((X)%(Y)) ? ((X)/(Y)+1) : ((X)/(Y)))
+
+/* this macro allows us to convert from an MTD structure to our own
+ * device context (denali) structure.
+ */
+#define mtd_to_denali(m) container_of(m, struct denali_nand_info, mtd)
+
+/* These constants are defined by the driver to enable common driver
+   configuration options. */
+#define SPARE_ACCESS		0x41
+#define MAIN_ACCESS		0x42
+#define MAIN_SPARE_ACCESS	0x43
+
+#define DENALI_READ	0
+#define DENALI_WRITE	0x100
+
+/* types of device accesses. We can issue commands and get status */
+#define COMMAND_CYCLE	0
+#define ADDR_CYCLE	1
+#define STATUS_CYCLE	2
+
+/* this is a helper macro that allows us to 
+ * format the bank into the proper bits for the controller */
+#define BANK(x) ((x) << 24)
+
+/* List of platforms this NAND controller has be integrated into */
+static const struct pci_device_id denali_pci_ids[] = {
+	{ PCI_VDEVICE(INTEL, 0x0701), INTEL_CE4100 },
+	{ PCI_VDEVICE(INTEL, 0x0809), INTEL_MRST },
+	{ /* end: all zeroes */ }
+};
+
+
+/* these are static lookup tables that give us easy access to 
+   registers in the NAND controller.  
+ */
+static const uint32_t intr_status_addresses[4] = {INTR_STATUS0, 
+						  INTR_STATUS1, 
+					     	  INTR_STATUS2, 
+						  INTR_STATUS3};
+
+static const uint32_t device_reset_banks[4] = {DEVICE_RESET__BANK0,
+                                               DEVICE_RESET__BANK1,
+                                               DEVICE_RESET__BANK2,
+                                               DEVICE_RESET__BANK3};
+
+static const uint32_t operation_timeout[4] = {INTR_STATUS0__TIME_OUT,
+                        		      INTR_STATUS1__TIME_OUT,
+		                              INTR_STATUS2__TIME_OUT,
+		                              INTR_STATUS3__TIME_OUT};
+
+static const uint32_t reset_complete[4] = {INTR_STATUS0__RST_COMP,
+                		           INTR_STATUS1__RST_COMP,
+		                           INTR_STATUS2__RST_COMP,
+		                           INTR_STATUS3__RST_COMP};
+
+/* specifies the debug level of the driver */
+static int nand_debug_level = 0;
+
+/* forward declarations */
+static void clear_interrupts(struct denali_nand_info *denali);
+static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask);
+static void denali_irq_enable(struct denali_nand_info *denali, uint32_t int_mask);
+static uint32_t read_interrupt_status(struct denali_nand_info *denali);
+
+#define DEBUG_DENALI 0
+
+/* This is a wrapper for writing to the denali registers.
+ * this allows us to create debug information so we can
+ * observe how the driver is programming the device. 
+ * it uses standard linux convention for (val, addr) */
+static void denali_write32(uint32_t value, void *addr)
+{
+	iowrite32(value, addr);	
+
+#if DEBUG_DENALI
+	printk(KERN_ERR "wrote: 0x%x -> 0x%x\n", value, (uint32_t)((uint32_t)addr & 0x1fff));
+#endif
+} 
+
+/* Certain operations for the denali NAND controller use an indexed mode to read/write 
+   data. The operation is performed by writing the address value of the command to 
+   the device memory followed by the data. This function abstracts this common 
+   operation. 
+*/
+static void index_addr(struct denali_nand_info *denali, uint32_t address, uint32_t data)
+{
+	denali_write32(address, denali->flash_mem);
+	denali_write32(data, denali->flash_mem + 0x10);
+}
+
+/* Perform an indexed read of the device */
+static void index_addr_read_data(struct denali_nand_info *denali,
+				 uint32_t address, uint32_t *pdata)
+{
+	denali_write32(address, denali->flash_mem);
+	*pdata = ioread32(denali->flash_mem + 0x10);
+}
+
+/* We need to buffer some data for some of the NAND core routines. 
+ * The operations manage buffering that data. */
+static void reset_buf(struct denali_nand_info *denali)
+{
+	denali->buf.head = denali->buf.tail = 0;
+}
+
+static void write_byte_to_buf(struct denali_nand_info *denali, uint8_t byte)
+{
+	BUG_ON(denali->buf.tail >= sizeof(denali->buf.buf));
+	denali->buf.buf[denali->buf.tail++] = byte;
+}
+
+/* reads the status of the device */
+static void read_status(struct denali_nand_info *denali)
+{
+	uint32_t cmd = 0x0;
+
+	/* initialize the data buffer to store status */
+	reset_buf(denali);
+
+	/* initiate a device status read */
+	cmd = MODE_11 | BANK(denali->flash_bank); 
+	index_addr(denali, cmd | COMMAND_CYCLE, 0x70);
+	denali_write32(cmd | STATUS_CYCLE, denali->flash_mem);
+
+	/* update buffer with status value */
+	write_byte_to_buf(denali, ioread32(denali->flash_mem + 0x10));
+
+#if DEBUG_DENALI
+	printk("device reporting status value of 0x%2x\n", denali->buf.buf[0]);
+#endif
+}
+
+/* resets a specific device connected to the core */
+static void reset_bank(struct denali_nand_info *denali)
+{
+	uint32_t irq_status = 0;
+	uint32_t irq_mask = reset_complete[denali->flash_bank] | 
+			    operation_timeout[denali->flash_bank];
+	int bank = 0;
+
+	clear_interrupts(denali);
+
+	bank = device_reset_banks[denali->flash_bank];
+	denali_write32(bank, denali->flash_reg + DEVICE_RESET);
+
+	irq_status = wait_for_irq(denali, irq_mask);
+	
+	if (irq_status & operation_timeout[denali->flash_bank])
+	{
+		printk(KERN_ERR "reset bank failed.\n");
+	}
+}
+
+/* Reset the flash controller */
+static uint16_t NAND_Flash_Reset(struct denali_nand_info *denali)
+{
+	uint32_t i;
+
+	nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n",
+		       __FILE__, __LINE__, __func__);
+
+	for (i = 0 ; i < LLD_MAX_FLASH_BANKS; i++)
+		denali_write32(reset_complete[i] | operation_timeout[i],
+		denali->flash_reg + intr_status_addresses[i]);
+
+	for (i = 0 ; i < LLD_MAX_FLASH_BANKS; i++) {
+		denali_write32(device_reset_banks[i], denali->flash_reg + DEVICE_RESET);
+		while (!(ioread32(denali->flash_reg + intr_status_addresses[i]) &
+			(reset_complete[i] | operation_timeout[i])))
+			;
+		if (ioread32(denali->flash_reg + intr_status_addresses[i]) &
+			operation_timeout[i])
+			nand_dbg_print(NAND_DBG_WARN,
+			"NAND Reset operation timed out on bank %d\n", i);
+	}
+
+	for (i = 0; i < LLD_MAX_FLASH_BANKS; i++)
+		denali_write32(reset_complete[i] | operation_timeout[i],
+			denali->flash_reg + intr_status_addresses[i]);
+
+	return PASS;
+}
+
+/* this routine calculates the ONFI timing values for a given mode and programs
+ * the clocking register accordingly. The mode is determined by the get_onfi_nand_para
+   routine.
+ */
+static void NAND_ONFi_Timing_Mode(struct denali_nand_info *denali, uint16_t mode)
+{
+	uint16_t Trea[6] = {40, 30, 25, 20, 20, 16};
+	uint16_t Trp[6] = {50, 25, 17, 15, 12, 10};
+	uint16_t Treh[6] = {30, 15, 15, 10, 10, 7};
+	uint16_t Trc[6] = {100, 50, 35, 30, 25, 20};
+	uint16_t Trhoh[6] = {0, 15, 15, 15, 15, 15};
+	uint16_t Trloh[6] = {0, 0, 0, 0, 5, 5};
+	uint16_t Tcea[6] = {100, 45, 30, 25, 25, 25};
+	uint16_t Tadl[6] = {200, 100, 100, 100, 70, 70};
+	uint16_t Trhw[6] = {200, 100, 100, 100, 100, 100};
+	uint16_t Trhz[6] = {200, 100, 100, 100, 100, 100};
+	uint16_t Twhr[6] = {120, 80, 80, 60, 60, 60};
+	uint16_t Tcs[6] = {70, 35, 25, 25, 20, 15};
+
+	uint16_t TclsRising = 1;
+	uint16_t data_invalid_rhoh, data_invalid_rloh, data_invalid;
+	uint16_t dv_window = 0;
+	uint16_t en_lo, en_hi;
+	uint16_t acc_clks;
+	uint16_t addr_2_data, re_2_we, re_2_re, we_2_re, cs_cnt;
+
+	nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n",
+		       __FILE__, __LINE__, __func__);
+
+	en_lo = CEIL_DIV(Trp[mode], CLK_X);
+	en_hi = CEIL_DIV(Treh[mode], CLK_X);
+#if ONFI_BLOOM_TIME
+	if ((en_hi * CLK_X) < (Treh[mode] + 2))
+		en_hi++;
+#endif
+
+	if ((en_lo + en_hi) * CLK_X < Trc[mode])
+		en_lo += CEIL_DIV((Trc[mode] - (en_lo + en_hi) * CLK_X), CLK_X);
+
+	if ((en_lo + en_hi) < CLK_MULTI)
+		en_lo += CLK_MULTI - en_lo - en_hi;
+
+	while (dv_window < 8) {
+		data_invalid_rhoh = en_lo * CLK_X + Trhoh[mode];
+
+		data_invalid_rloh = (en_lo + en_hi) * CLK_X + Trloh[mode];
+
+		data_invalid =
+		    data_invalid_rhoh <
+		    data_invalid_rloh ? data_invalid_rhoh : data_invalid_rloh;
+
+		dv_window = data_invalid - Trea[mode];
+
+		if (dv_window < 8)
+			en_lo++;
+	}
+
+	acc_clks = CEIL_DIV(Trea[mode], CLK_X);
+
+	while (((acc_clks * CLK_X) - Trea[mode]) < 3)
+		acc_clks++;
+
+	if ((data_invalid - acc_clks * CLK_X) < 2)
+		nand_dbg_print(NAND_DBG_WARN, "%s, Line %d: Warning!\n",
+			__FILE__, __LINE__);
+
+	addr_2_data = CEIL_DIV(Tadl[mode], CLK_X);
+	re_2_we = CEIL_DIV(Trhw[mode], CLK_X);
+	re_2_re = CEIL_DIV(Trhz[mode], CLK_X);
+	we_2_re = CEIL_DIV(Twhr[mode], CLK_X);
+	cs_cnt = CEIL_DIV((Tcs[mode] - Trp[mode]), CLK_X);
+	if (!TclsRising)
+		cs_cnt = CEIL_DIV(Tcs[mode], CLK_X);
+	if (cs_cnt == 0)
+		cs_cnt = 1;
+
+	if (Tcea[mode]) {
+		while (((cs_cnt * CLK_X) + Trea[mode]) < Tcea[mode])
+			cs_cnt++;
+	}
+
+#if MODE5_WORKAROUND
+	if (mode == 5)
+		acc_clks = 5;
+#endif
+
+	/* Sighting 3462430: Temporary hack for MT29F128G08CJABAWP:B */
+	if ((ioread32(denali->flash_reg + MANUFACTURER_ID) == 0) &&
+		(ioread32(denali->flash_reg + DEVICE_ID) == 0x88))
+		acc_clks = 6;
+
+	denali_write32(acc_clks, denali->flash_reg + ACC_CLKS);
+	denali_write32(re_2_we, denali->flash_reg + RE_2_WE);
+	denali_write32(re_2_re, denali->flash_reg + RE_2_RE);
+	denali_write32(we_2_re, denali->flash_reg + WE_2_RE);
+	denali_write32(addr_2_data, denali->flash_reg + ADDR_2_DATA);
+	denali_write32(en_lo, denali->flash_reg + RDWR_EN_LO_CNT);
+	denali_write32(en_hi, denali->flash_reg + RDWR_EN_HI_CNT);
+	denali_write32(cs_cnt, denali->flash_reg + CS_SETUP_CNT);
+}
+
+/* configures the initial ECC settings for the controller */
+static void set_ecc_config(struct denali_nand_info *denali)
+{
+#if SUPPORT_8BITECC
+	if ((ioread32(denali->flash_reg + DEVICE_MAIN_AREA_SIZE) < 4096) ||
+		(ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE) <= 128))
+		denali_write32(8, denali->flash_reg + ECC_CORRECTION);
+#endif
+
+	if ((ioread32(denali->flash_reg + ECC_CORRECTION) & ECC_CORRECTION__VALUE)
+		== 1) {
+		denali->dev_info.wECCBytesPerSector = 4;
+		denali->dev_info.wECCBytesPerSector *= denali->dev_info.wDevicesConnected;
+		denali->dev_info.wNumPageSpareFlag =
+			denali->dev_info.wPageSpareSize -
+			denali->dev_info.wPageDataSize /
+			(ECC_SECTOR_SIZE * denali->dev_info.wDevicesConnected) *
+			denali->dev_info.wECCBytesPerSector
+			- denali->dev_info.wSpareSkipBytes;
+	} else {
+		denali->dev_info.wECCBytesPerSector =
+			(ioread32(denali->flash_reg + ECC_CORRECTION) &
+			ECC_CORRECTION__VALUE) * 13 / 8;
+		if ((denali->dev_info.wECCBytesPerSector) % 2 == 0)
+			denali->dev_info.wECCBytesPerSector += 2;
+		else
+			denali->dev_info.wECCBytesPerSector += 1;
+
+		denali->dev_info.wECCBytesPerSector *= denali->dev_info.wDevicesConnected;
+		denali->dev_info.wNumPageSpareFlag = denali->dev_info.wPageSpareSize -
+			denali->dev_info.wPageDataSize /
+			(ECC_SECTOR_SIZE * denali->dev_info.wDevicesConnected) *
+			denali->dev_info.wECCBytesPerSector
+			- denali->dev_info.wSpareSkipBytes;
+	}
+}
+
+/* queries the NAND device to see what ONFI modes it supports. */
+static uint16_t get_onfi_nand_para(struct denali_nand_info *denali)
+{
+	int i;
+	uint16_t blks_lun_l, blks_lun_h, n_of_luns;
+	uint32_t blockperlun, id;
+
+	denali_write32(DEVICE_RESET__BANK0, denali->flash_reg + DEVICE_RESET);
+
+	while (!((ioread32(denali->flash_reg + INTR_STATUS0) &
+		INTR_STATUS0__RST_COMP) |
+		(ioread32(denali->flash_reg + INTR_STATUS0) &
+		INTR_STATUS0__TIME_OUT)))
+		;
+
+	if (ioread32(denali->flash_reg + INTR_STATUS0) & INTR_STATUS0__RST_COMP) {
+		denali_write32(DEVICE_RESET__BANK1, denali->flash_reg + DEVICE_RESET);
+		while (!((ioread32(denali->flash_reg + INTR_STATUS1) &
+			INTR_STATUS1__RST_COMP) |
+			(ioread32(denali->flash_reg + INTR_STATUS1) &
+			INTR_STATUS1__TIME_OUT)))
+			;
+
+		if (ioread32(denali->flash_reg + INTR_STATUS1) &
+			INTR_STATUS1__RST_COMP) {
+			denali_write32(DEVICE_RESET__BANK2,
+				denali->flash_reg + DEVICE_RESET);
+			while (!((ioread32(denali->flash_reg + INTR_STATUS2) &
+				INTR_STATUS2__RST_COMP) |
+				(ioread32(denali->flash_reg + INTR_STATUS2) &
+				INTR_STATUS2__TIME_OUT)))
+				;
+
+			if (ioread32(denali->flash_reg + INTR_STATUS2) &
+				INTR_STATUS2__RST_COMP) {
+				denali_write32(DEVICE_RESET__BANK3,
+					denali->flash_reg + DEVICE_RESET);
+				while (!((ioread32(denali->flash_reg + INTR_STATUS3) &
+					INTR_STATUS3__RST_COMP) |
+					(ioread32(denali->flash_reg + INTR_STATUS3) &
+					INTR_STATUS3__TIME_OUT)))
+					;
+			} else {
+				printk(KERN_ERR "Getting a time out for bank 2!\n");
+			}
+		} else {
+			printk(KERN_ERR "Getting a time out for bank 1!\n");
+		}
+	}
+
+	denali_write32(INTR_STATUS0__TIME_OUT, denali->flash_reg + INTR_STATUS0);
+	denali_write32(INTR_STATUS1__TIME_OUT, denali->flash_reg + INTR_STATUS1);
+	denali_write32(INTR_STATUS2__TIME_OUT, denali->flash_reg + INTR_STATUS2);
+	denali_write32(INTR_STATUS3__TIME_OUT, denali->flash_reg + INTR_STATUS3);
+
+	denali->dev_info.wONFIDevFeatures =
+		ioread32(denali->flash_reg + ONFI_DEVICE_FEATURES);
+	denali->dev_info.wONFIOptCommands =
+		ioread32(denali->flash_reg + ONFI_OPTIONAL_COMMANDS);
+	denali->dev_info.wONFITimingMode =
+		ioread32(denali->flash_reg + ONFI_TIMING_MODE);
+	denali->dev_info.wONFIPgmCacheTimingMode =
+		ioread32(denali->flash_reg + ONFI_PGM_CACHE_TIMING_MODE);
+
+	n_of_luns = ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_LUNS) &
+		ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS;
+	blks_lun_l = ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L);
+	blks_lun_h = ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U);
+
+	blockperlun = (blks_lun_h << 16) | blks_lun_l;
+
+	denali->dev_info.wTotalBlocks = n_of_luns * blockperlun;
+
+	if (!(ioread32(denali->flash_reg + ONFI_TIMING_MODE) &
+		ONFI_TIMING_MODE__VALUE))
+		return FAIL;
+
+	for (i = 5; i > 0; i--) {
+		if (ioread32(denali->flash_reg + ONFI_TIMING_MODE) & (0x01 << i))
+			break;
+	}
+
+	NAND_ONFi_Timing_Mode(denali, i);
+
+	index_addr(denali, MODE_11 | 0, 0x90);
+	index_addr(denali, MODE_11 | 1, 0);
+
+	for (i = 0; i < 3; i++)
+		index_addr_read_data(denali, MODE_11 | 2, &id);
+
+	nand_dbg_print(NAND_DBG_DEBUG, "3rd ID: 0x%x\n", id);
+
+	denali->dev_info.MLCDevice = id & 0x0C;
+
+	/* By now, all the ONFI devices we know support the page cache */
+	/* rw feature. So here we enable the pipeline_rw_ahead feature */
+	/* iowrite32(1, denali->flash_reg + CACHE_WRITE_ENABLE); */
+	/* iowrite32(1, denali->flash_reg + CACHE_READ_ENABLE);  */
+
+	return PASS;
+}
+
+static void get_samsung_nand_para(struct denali_nand_info *denali)
+{
+	uint8_t no_of_planes;
+	uint32_t blk_size;
+	uint64_t plane_size, capacity;
+	uint32_t id_bytes[5];
+	int i;
+
+	index_addr(denali, (uint32_t)(MODE_11 | 0), 0x90);
+	index_addr(denali, (uint32_t)(MODE_11 | 1), 0);
+	for (i = 0; i < 5; i++)
+		index_addr_read_data(denali, (uint32_t)(MODE_11 | 2), &id_bytes[i]);
+
+	nand_dbg_print(NAND_DBG_DEBUG,
+		"ID bytes: 0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
+		id_bytes[0], id_bytes[1], id_bytes[2],
+		id_bytes[3], id_bytes[4]);
+
+	if ((id_bytes[1] & 0xff) == 0xd3) { /* Samsung K9WAG08U1A */
+		/* Set timing register values according to datasheet */
+		denali_write32(5, denali->flash_reg + ACC_CLKS);
+		denali_write32(20, denali->flash_reg + RE_2_WE);
+		denali_write32(12, denali->flash_reg + WE_2_RE);
+		denali_write32(14, denali->flash_reg + ADDR_2_DATA);
+		denali_write32(3, denali->flash_reg + RDWR_EN_LO_CNT);
+		denali_write32(2, denali->flash_reg + RDWR_EN_HI_CNT);
+		denali_write32(2, denali->flash_reg + CS_SETUP_CNT);
+	}
+
+	no_of_planes = 1 << ((id_bytes[4] & 0x0c) >> 2);
+	plane_size  = (uint64_t)64 << ((id_bytes[4] & 0x70) >> 4);
+	blk_size = 64 << ((ioread32(denali->flash_reg + DEVICE_PARAM_1) & 0x30) >> 4);
+	capacity = (uint64_t)128 * plane_size * no_of_planes;
+
+	do_div(capacity, blk_size);
+	denali->dev_info.wTotalBlocks = capacity;
+}
+
+static void get_toshiba_nand_para(struct denali_nand_info *denali)
+{
+	void __iomem *scratch_reg;
+	uint32_t tmp;
+
+	/* Workaround to fix a controller bug which reports a wrong */
+	/* spare area size for some kind of Toshiba NAND device */
+	if ((ioread32(denali->flash_reg + DEVICE_MAIN_AREA_SIZE) == 4096) &&
+		(ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE) == 64)) {
+		denali_write32(216, denali->flash_reg + DEVICE_SPARE_AREA_SIZE);
+		tmp = ioread32(denali->flash_reg + DEVICES_CONNECTED) *
+			ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE);
+		denali_write32(tmp, denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE);
+#if SUPPORT_15BITECC
+		denali_write32(15, denali->flash_reg + ECC_CORRECTION);
+#elif SUPPORT_8BITECC
+		denali_write32(8, denali->flash_reg + ECC_CORRECTION);
+#endif
+	}
+
+	/* As Toshiba NAND can not provide it's block number, */
+	/* so here we need user to provide the correct block */
+	/* number in a scratch register before the Linux NAND */
+	/* driver is loaded. If no valid value found in the scratch */
+	/* register, then we use default block number value */
+	scratch_reg = ioremap_nocache(SCRATCH_REG_ADDR, SCRATCH_REG_SIZE);
+	if (!scratch_reg) {
+		printk(KERN_ERR "Spectra: ioremap failed in %s, Line %d",
+			__FILE__, __LINE__);
+		denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS;
+	} else {
+		nand_dbg_print(NAND_DBG_WARN,
+			"Spectra: ioremap reg address: 0x%p\n", scratch_reg);
+		denali->dev_info.wTotalBlocks = 1 << ioread8(scratch_reg);
+		if (denali->dev_info.wTotalBlocks < 512)
+			denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS;
+		iounmap(scratch_reg);
+	}
+}
+
+static void get_hynix_nand_para(struct denali_nand_info *denali)
+{
+	void __iomem *scratch_reg;
+	uint32_t main_size, spare_size;
+
+	switch (denali->dev_info.wDeviceID) {
+	case 0xD5: /* Hynix H27UAG8T2A, H27UBG8U5A or H27UCG8VFA */
+	case 0xD7: /* Hynix H27UDG8VEM, H27UCG8UDM or H27UCG8V5A */
+		denali_write32(128, denali->flash_reg + PAGES_PER_BLOCK);
+		denali_write32(4096, denali->flash_reg + DEVICE_MAIN_AREA_SIZE);
+		denali_write32(224, denali->flash_reg + DEVICE_SPARE_AREA_SIZE);
+		main_size = 4096 * ioread32(denali->flash_reg + DEVICES_CONNECTED);
+		spare_size = 224 * ioread32(denali->flash_reg + DEVICES_CONNECTED);
+		denali_write32(main_size, denali->flash_reg + LOGICAL_PAGE_DATA_SIZE);
+		denali_write32(spare_size, denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE);
+		denali_write32(0, denali->flash_reg + DEVICE_WIDTH);
+#if SUPPORT_15BITECC
+		denali_write32(15, denali->flash_reg + ECC_CORRECTION);
+#elif SUPPORT_8BITECC
+		denali_write32(8, denali->flash_reg + ECC_CORRECTION);
+#endif
+		denali->dev_info.MLCDevice  = 1;
+		break;
+	default:
+		nand_dbg_print(NAND_DBG_WARN,
+			"Spectra: Unknown Hynix NAND (Device ID: 0x%x)."
+			"Will use default parameter values instead.\n",
+			denali->dev_info.wDeviceID);
+	}
+
+	scratch_reg = ioremap_nocache(SCRATCH_REG_ADDR, SCRATCH_REG_SIZE);
+	if (!scratch_reg) {
+		printk(KERN_ERR "Spectra: ioremap failed in %s, Line %d",
+			__FILE__, __LINE__);
+		denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS;
+	} else {
+		nand_dbg_print(NAND_DBG_WARN,
+			"Spectra: ioremap reg address: 0x%p\n", scratch_reg);
+		denali->dev_info.wTotalBlocks = 1 << ioread8(scratch_reg);
+		if (denali->dev_info.wTotalBlocks < 512)
+			denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS;
+		iounmap(scratch_reg);
+	}
+}
+
+/* determines how many NAND chips are connected to the controller. Note for
+   Intel CE4100 devices we don't support more than one device. 
+ */
+static void find_valid_banks(struct denali_nand_info *denali)
+{
+	uint32_t id[LLD_MAX_FLASH_BANKS];
+	int i;
+
+	denali->total_used_banks = 1;
+	for (i = 0; i < LLD_MAX_FLASH_BANKS; i++) {
+		index_addr(denali, (uint32_t)(MODE_11 | (i << 24) | 0), 0x90);
+		index_addr(denali, (uint32_t)(MODE_11 | (i << 24) | 1), 0);
+		index_addr_read_data(denali, (uint32_t)(MODE_11 | (i << 24) | 2), &id[i]);
+
+		nand_dbg_print(NAND_DBG_DEBUG,
+			"Return 1st ID for bank[%d]: %x\n", i, id[i]);
+
+		if (i == 0) {
+			if (!(id[i] & 0x0ff))
+				break; /* WTF? */
+		} else {
+			if ((id[i] & 0x0ff) == (id[0] & 0x0ff))
+				denali->total_used_banks++;
+			else
+				break;
+		}
+	}
+
+	if (denali->platform == INTEL_CE4100)
+	{
+		/* Platform limitations of the CE4100 device limit
+		 * users to a single chip solution for NAND.
+                 * Multichip support is not enabled. 
+		 */ 
+		if (denali->total_used_banks != 1)
+		{
+			printk(KERN_ERR "Sorry, Intel CE4100 only supports "
+					"a single NAND device.\n");
+			BUG();
+		}
+	}
+	nand_dbg_print(NAND_DBG_DEBUG,
+		"denali->total_used_banks: %d\n", denali->total_used_banks);
+}
+
+static void detect_partition_feature(struct denali_nand_info *denali)
+{
+	if (ioread32(denali->flash_reg + FEATURES) & FEATURES__PARTITION) {
+		if ((ioread32(denali->flash_reg + PERM_SRC_ID_1) &
+			PERM_SRC_ID_1__SRCID) == SPECTRA_PARTITION_ID) {
+			denali->dev_info.wSpectraStartBlock =
+			    ((ioread32(denali->flash_reg + MIN_MAX_BANK_1) &
+			      MIN_MAX_BANK_1__MIN_VALUE) *
+			     denali->dev_info.wTotalBlocks)
+			    +
+			    (ioread32(denali->flash_reg + MIN_BLK_ADDR_1) &
+			    MIN_BLK_ADDR_1__VALUE);
+
+			denali->dev_info.wSpectraEndBlock =
+			    (((ioread32(denali->flash_reg + MIN_MAX_BANK_1) &
+			       MIN_MAX_BANK_1__MAX_VALUE) >> 2) *
+			     denali->dev_info.wTotalBlocks)
+			    +
+			    (ioread32(denali->flash_reg + MAX_BLK_ADDR_1) &
+			    MAX_BLK_ADDR_1__VALUE);
+
+			denali->dev_info.wTotalBlocks *= denali->total_used_banks;
+
+			if (denali->dev_info.wSpectraEndBlock >=
+			    denali->dev_info.wTotalBlocks) {
+				denali->dev_info.wSpectraEndBlock =
+				    denali->dev_info.wTotalBlocks - 1;
+			}
+
+			denali->dev_info.wDataBlockNum =
+				denali->dev_info.wSpectraEndBlock -
+				denali->dev_info.wSpectraStartBlock + 1;
+		} else {
+			denali->dev_info.wTotalBlocks *= denali->total_used_banks;
+			denali->dev_info.wSpectraStartBlock = SPECTRA_START_BLOCK;
+			denali->dev_info.wSpectraEndBlock =
+				denali->dev_info.wTotalBlocks - 1;
+			denali->dev_info.wDataBlockNum =
+				denali->dev_info.wSpectraEndBlock -
+				denali->dev_info.wSpectraStartBlock + 1;
+		}
+	} else {
+		denali->dev_info.wTotalBlocks *= denali->total_used_banks;
+		denali->dev_info.wSpectraStartBlock = SPECTRA_START_BLOCK;
+		denali->dev_info.wSpectraEndBlock = denali->dev_info.wTotalBlocks - 1;
+		denali->dev_info.wDataBlockNum =
+			denali->dev_info.wSpectraEndBlock -
+			denali->dev_info.wSpectraStartBlock + 1;
+	}
+}
+
+static void dump_device_info(struct denali_nand_info *denali)
+{
+	nand_dbg_print(NAND_DBG_DEBUG, "denali->dev_info:\n");
+	nand_dbg_print(NAND_DBG_DEBUG, "DeviceMaker: 0x%x\n",
+		denali->dev_info.wDeviceMaker);
+	nand_dbg_print(NAND_DBG_DEBUG, "DeviceID: 0x%x\n",
+		denali->dev_info.wDeviceID);
+	nand_dbg_print(NAND_DBG_DEBUG, "DeviceType: 0x%x\n",
+		denali->dev_info.wDeviceType);
+	nand_dbg_print(NAND_DBG_DEBUG, "SpectraStartBlock: %d\n",
+		denali->dev_info.wSpectraStartBlock);
+	nand_dbg_print(NAND_DBG_DEBUG, "SpectraEndBlock: %d\n",
+		denali->dev_info.wSpectraEndBlock);
+	nand_dbg_print(NAND_DBG_DEBUG, "TotalBlocks: %d\n",
+		denali->dev_info.wTotalBlocks);
+	nand_dbg_print(NAND_DBG_DEBUG, "PagesPerBlock: %d\n",
+		denali->dev_info.wPagesPerBlock);
+	nand_dbg_print(NAND_DBG_DEBUG, "PageSize: %d\n",
+		denali->dev_info.wPageSize);
+	nand_dbg_print(NAND_DBG_DEBUG, "PageDataSize: %d\n",
+		denali->dev_info.wPageDataSize);
+	nand_dbg_print(NAND_DBG_DEBUG, "PageSpareSize: %d\n",
+		denali->dev_info.wPageSpareSize);
+	nand_dbg_print(NAND_DBG_DEBUG, "NumPageSpareFlag: %d\n",
+		denali->dev_info.wNumPageSpareFlag);
+	nand_dbg_print(NAND_DBG_DEBUG, "ECCBytesPerSector: %d\n",
+		denali->dev_info.wECCBytesPerSector);
+	nand_dbg_print(NAND_DBG_DEBUG, "BlockSize: %d\n",
+		denali->dev_info.wBlockSize);
+	nand_dbg_print(NAND_DBG_DEBUG, "BlockDataSize: %d\n",
+		denali->dev_info.wBlockDataSize);
+	nand_dbg_print(NAND_DBG_DEBUG, "DataBlockNum: %d\n",
+		denali->dev_info.wDataBlockNum);
+	nand_dbg_print(NAND_DBG_DEBUG, "PlaneNum: %d\n",
+		denali->dev_info.bPlaneNum);
+	nand_dbg_print(NAND_DBG_DEBUG, "DeviceMainAreaSize: %d\n",
+		denali->dev_info.wDeviceMainAreaSize);
+	nand_dbg_print(NAND_DBG_DEBUG, "DeviceSpareAreaSize: %d\n",
+		denali->dev_info.wDeviceSpareAreaSize);
+	nand_dbg_print(NAND_DBG_DEBUG, "DevicesConnected: %d\n",
+		denali->dev_info.wDevicesConnected);
+	nand_dbg_print(NAND_DBG_DEBUG, "DeviceWidth: %d\n",
+		denali->dev_info.wDeviceWidth);
+	nand_dbg_print(NAND_DBG_DEBUG, "HWRevision: 0x%x\n",
+		denali->dev_info.wHWRevision);
+	nand_dbg_print(NAND_DBG_DEBUG, "HWFeatures: 0x%x\n",
+		denali->dev_info.wHWFeatures);
+	nand_dbg_print(NAND_DBG_DEBUG, "ONFIDevFeatures: 0x%x\n",
+		denali->dev_info.wONFIDevFeatures);
+	nand_dbg_print(NAND_DBG_DEBUG, "ONFIOptCommands: 0x%x\n",
+		denali->dev_info.wONFIOptCommands);
+	nand_dbg_print(NAND_DBG_DEBUG, "ONFITimingMode: 0x%x\n",
+		denali->dev_info.wONFITimingMode);
+	nand_dbg_print(NAND_DBG_DEBUG, "ONFIPgmCacheTimingMode: 0x%x\n",
+		denali->dev_info.wONFIPgmCacheTimingMode);
+	nand_dbg_print(NAND_DBG_DEBUG, "MLCDevice: %s\n",
+		denali->dev_info.MLCDevice ? "Yes" : "No");
+	nand_dbg_print(NAND_DBG_DEBUG, "SpareSkipBytes: %d\n",
+		denali->dev_info.wSpareSkipBytes);
+	nand_dbg_print(NAND_DBG_DEBUG, "BitsInPageNumber: %d\n",
+		denali->dev_info.nBitsInPageNumber);
+	nand_dbg_print(NAND_DBG_DEBUG, "BitsInPageDataSize: %d\n",
+		denali->dev_info.nBitsInPageDataSize);
+	nand_dbg_print(NAND_DBG_DEBUG, "BitsInBlockDataSize: %d\n",
+		denali->dev_info.nBitsInBlockDataSize);
+}
+
+static uint16_t NAND_Read_Device_ID(struct denali_nand_info *denali)
+{
+	uint16_t status = PASS;
+	uint8_t no_of_planes;
+
+	nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n",
+		       __FILE__, __LINE__, __func__);
+
+	denali->dev_info.wDeviceMaker = ioread32(denali->flash_reg + MANUFACTURER_ID);
+	denali->dev_info.wDeviceID = ioread32(denali->flash_reg + DEVICE_ID);
+	denali->dev_info.bDeviceParam0 = ioread32(denali->flash_reg + DEVICE_PARAM_0);
+	denali->dev_info.bDeviceParam1 = ioread32(denali->flash_reg + DEVICE_PARAM_1);
+	denali->dev_info.bDeviceParam2 = ioread32(denali->flash_reg + DEVICE_PARAM_2);
+
+	denali->dev_info.MLCDevice = ioread32(denali->flash_reg + DEVICE_PARAM_0) & 0x0c;
+
+	if (ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_LUNS) &
+		ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE) { /* ONFI 1.0 NAND */
+		if (FAIL == get_onfi_nand_para(denali))
+			return FAIL;
+	} else if (denali->dev_info.wDeviceMaker == 0xEC) { /* Samsung NAND */
+		get_samsung_nand_para(denali);
+	} else if (denali->dev_info.wDeviceMaker == 0x98) { /* Toshiba NAND */
+		get_toshiba_nand_para(denali);
+	} else if (denali->dev_info.wDeviceMaker == 0xAD) { /* Hynix NAND */
+		get_hynix_nand_para(denali);
+	} else {
+		denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS;
+	}
+
+	nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:"
+			"acc_clks: %d, re_2_we: %d, we_2_re: %d,"
+			"addr_2_data: %d, rdwr_en_lo_cnt: %d, "
+			"rdwr_en_hi_cnt: %d, cs_setup_cnt: %d\n",
+			ioread32(denali->flash_reg + ACC_CLKS),
+			ioread32(denali->flash_reg + RE_2_WE),
+			ioread32(denali->flash_reg + WE_2_RE),
+			ioread32(denali->flash_reg + ADDR_2_DATA),
+			ioread32(denali->flash_reg + RDWR_EN_LO_CNT),
+			ioread32(denali->flash_reg + RDWR_EN_HI_CNT),
+			ioread32(denali->flash_reg + CS_SETUP_CNT));
+
+	denali->dev_info.wHWRevision = ioread32(denali->flash_reg + REVISION);
+	denali->dev_info.wHWFeatures = ioread32(denali->flash_reg + FEATURES);
+
+	denali->dev_info.wDeviceMainAreaSize =
+		ioread32(denali->flash_reg + DEVICE_MAIN_AREA_SIZE);
+	denali->dev_info.wDeviceSpareAreaSize =
+		ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE);
+
+	denali->dev_info.wPageDataSize =
+		ioread32(denali->flash_reg + LOGICAL_PAGE_DATA_SIZE);
+
+	/* Note: When using the Micon 4K NAND device, the controller will report
+	 * Page Spare Size as 216 bytes. But Micron's Spec say it's 218 bytes.
+	 * And if force set it to 218 bytes, the controller can not work
+	 * correctly. So just let it be. But keep in mind that this bug may
+	 * cause
+	 * other problems in future.       - Yunpeng  2008-10-10
+	 */
+	denali->dev_info.wPageSpareSize =
+		ioread32(denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE);
+
+	denali->dev_info.wPagesPerBlock = ioread32(denali->flash_reg + PAGES_PER_BLOCK);
+
+	denali->dev_info.wPageSize =
+	    denali->dev_info.wPageDataSize + denali->dev_info.wPageSpareSize;
+	denali->dev_info.wBlockSize =
+	    denali->dev_info.wPageSize * denali->dev_info.wPagesPerBlock;
+	denali->dev_info.wBlockDataSize =
+	    denali->dev_info.wPagesPerBlock * denali->dev_info.wPageDataSize;
+
+	denali->dev_info.wDeviceWidth = ioread32(denali->flash_reg + DEVICE_WIDTH);
+	denali->dev_info.wDeviceType =
+		((ioread32(denali->flash_reg + DEVICE_WIDTH) > 0) ? 16 : 8);
+
+	denali->dev_info.wDevicesConnected = ioread32(denali->flash_reg + DEVICES_CONNECTED);
+
+	denali->dev_info.wSpareSkipBytes =
+		ioread32(denali->flash_reg + SPARE_AREA_SKIP_BYTES) *
+		denali->dev_info.wDevicesConnected;
+
+	denali->dev_info.nBitsInPageNumber =
+		ilog2(denali->dev_info.wPagesPerBlock);
+	denali->dev_info.nBitsInPageDataSize =
+		ilog2(denali->dev_info.wPageDataSize);
+	denali->dev_info.nBitsInBlockDataSize =
+		ilog2(denali->dev_info.wBlockDataSize);
+
+	set_ecc_config(denali);
+
+	no_of_planes = ioread32(denali->flash_reg + NUMBER_OF_PLANES) &
+		NUMBER_OF_PLANES__VALUE;
+
+	switch (no_of_planes) {
+	case 0:
+	case 1:
+	case 3:
+	case 7:
+		denali->dev_info.bPlaneNum = no_of_planes + 1;
+		break;
+	default:
+		status = FAIL;
+		break;
+	}
+
+	find_valid_banks(denali);
+
+	detect_partition_feature(denali);
+
+	dump_device_info(denali);
+
+	/* If the user specified to override the default timings
+	 * with a specific ONFI mode, we apply those changes here. 
+	 */
+	if (onfi_timing_mode != NAND_DEFAULT_TIMINGS)
+	{
+		NAND_ONFi_Timing_Mode(denali, onfi_timing_mode);
+	}
+
+	return status;
+}
+
+static void NAND_LLD_Enable_Disable_Interrupts(struct denali_nand_info *denali,
+					uint16_t INT_ENABLE)
+{
+	nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n",
+		       __FILE__, __LINE__, __func__);
+
+	if (INT_ENABLE)
+		denali_write32(1, denali->flash_reg + GLOBAL_INT_ENABLE);
+	else
+		denali_write32(0, denali->flash_reg + GLOBAL_INT_ENABLE);
+}
+
+/* validation function to verify that the controlling software is making
+   a valid request
+ */
+static inline bool is_flash_bank_valid(int flash_bank)
+{
+	return (flash_bank >= 0 && flash_bank < 4); 
+}
+
+static void denali_irq_init(struct denali_nand_info *denali)
+{
+	uint32_t int_mask = 0;
+
+	/* Disable global interrupts */
+	NAND_LLD_Enable_Disable_Interrupts(denali, false);
+
+	int_mask = DENALI_IRQ_ALL;
+
+	/* Clear all status bits */
+	denali_write32(0xFFFF, denali->flash_reg + INTR_STATUS0);
+	denali_write32(0xFFFF, denali->flash_reg + INTR_STATUS1);
+	denali_write32(0xFFFF, denali->flash_reg + INTR_STATUS2);
+	denali_write32(0xFFFF, denali->flash_reg + INTR_STATUS3);
+
+	denali_irq_enable(denali, int_mask);
+}
+
+static void denali_irq_cleanup(int irqnum, struct denali_nand_info *denali)
+{
+	NAND_LLD_Enable_Disable_Interrupts(denali, false);
+	free_irq(irqnum, denali);
+}
+
+static void denali_irq_enable(struct denali_nand_info *denali, uint32_t int_mask)
+{
+	denali_write32(int_mask, denali->flash_reg + INTR_EN0);
+	denali_write32(int_mask, denali->flash_reg + INTR_EN1);
+	denali_write32(int_mask, denali->flash_reg + INTR_EN2);
+	denali_write32(int_mask, denali->flash_reg + INTR_EN3);
+}
+
+/* This function only returns when an interrupt that this driver cares about
+ * occurs. This is to reduce the overhead of servicing interrupts 
+ */
+static inline uint32_t denali_irq_detected(struct denali_nand_info *denali)
+{
+	return (read_interrupt_status(denali) & DENALI_IRQ_ALL);
+}
+
+/* Interrupts are cleared by writing a 1 to the appropriate status bit */
+static inline void clear_interrupt(struct denali_nand_info *denali, uint32_t irq_mask)
+{
+	uint32_t intr_status_reg = 0;
+
+	intr_status_reg = intr_status_addresses[denali->flash_bank];
+
+	denali_write32(irq_mask, denali->flash_reg + intr_status_reg);
+}
+
+static void clear_interrupts(struct denali_nand_info *denali)
+{
+	uint32_t status = 0x0;
+	spin_lock_irq(&denali->irq_lock);
+
+	status = read_interrupt_status(denali);
+
+#if DEBUG_DENALI
+	denali->irq_debug_array[denali->idx++] = 0x30000000 | status;
+	denali->idx %= 32;
+#endif
+
+	denali->irq_status = 0x0;
+	spin_unlock_irq(&denali->irq_lock);
+}
+
+static uint32_t read_interrupt_status(struct denali_nand_info *denali)
+{
+	uint32_t intr_status_reg = 0;
+
+	intr_status_reg = intr_status_addresses[denali->flash_bank];
+
+	return ioread32(denali->flash_reg + intr_status_reg);
+}
+
+#if DEBUG_DENALI
+static void print_irq_log(struct denali_nand_info *denali)
+{
+	int i = 0;
+
+	printk("ISR debug log index = %X\n", denali->idx);
+	for (i = 0; i < 32; i++)
+	{
+		printk("%08X: %08X\n", i, denali->irq_debug_array[i]);
+	}
+}
+#endif
+
+/* This is the interrupt service routine. It handles all interrupts 
+ * sent to this device. Note that on CE4100, this is a shared 
+ * interrupt. 
+ */
+static irqreturn_t denali_isr(int irq, void *dev_id)
+{
+	struct denali_nand_info *denali = dev_id;
+	uint32_t irq_status = 0x0;
+	irqreturn_t result = IRQ_NONE;
+
+	spin_lock(&denali->irq_lock);
+
+	/* check to see if a valid NAND chip has 
+         * been selected. 
+	 */
+	if (is_flash_bank_valid(denali->flash_bank))
+	{
+		/* check to see if controller generated 
+		 * the interrupt, since this is a shared interrupt */
+		if ((irq_status = denali_irq_detected(denali)) != 0)
+		{
+#if DEBUG_DENALI
+			denali->irq_debug_array[denali->idx++] = 0x10000000 | irq_status;
+			denali->idx %= 32;
+
+			printk("IRQ status = 0x%04x\n", irq_status);
+#endif
+			/* handle interrupt */
+			/* first acknowledge it */
+			clear_interrupt(denali, irq_status);
+			/* store the status in the device context for someone
+			   to read */
+			denali->irq_status |= irq_status;
+			/* notify anyone who cares that it happened */
+			complete(&denali->complete);
+			/* tell the OS that we've handled this */
+			result = IRQ_HANDLED;
+		}
+	}
+	spin_unlock(&denali->irq_lock);
+	return result;
+}
+#define BANK(x) ((x) << 24)
+
+static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask)
+{
+	unsigned long comp_res = 0;
+	uint32_t intr_status = 0;
+	bool retry = false;
+	unsigned long timeout = msecs_to_jiffies(1000);
+
+	do
+	{
+#if DEBUG_DENALI
+		printk("waiting for 0x%x\n", irq_mask);
+#endif
+		comp_res = wait_for_completion_timeout(&denali->complete, timeout);
+		spin_lock_irq(&denali->irq_lock);
+		intr_status = denali->irq_status;
+
+#if DEBUG_DENALI
+		denali->irq_debug_array[denali->idx++] = 0x20000000 | (irq_mask << 16) | intr_status;
+		denali->idx %= 32;
+#endif
+
+		if (intr_status & irq_mask)
+		{
+			denali->irq_status &= ~irq_mask;
+			spin_unlock_irq(&denali->irq_lock);
+#if DEBUG_DENALI
+			if (retry) printk("status on retry = 0x%x\n", intr_status);
+#endif
+			/* our interrupt was detected */
+			break;
+		}
+		else 
+		{
+			/* these are not the interrupts you are looking for - 
+		           need to wait again */
+			spin_unlock_irq(&denali->irq_lock);
+#if DEBUG_DENALI
+			print_irq_log(denali);
+			printk("received irq nobody cared: irq_status = 0x%x,"
+				" irq_mask = 0x%x, timeout = %ld\n", intr_status, irq_mask, comp_res);
+#endif
+			retry = true;
+		}
+	} while (comp_res != 0);
+
+	if (comp_res == 0)
+	{
+		/* timeout */
+		printk(KERN_ERR "timeout occurred, status = 0x%x, mask = 0x%x\n", 
+	       			intr_status, irq_mask);
+
+		intr_status = 0;
+	}
+	return intr_status;
+}
+
+/* This helper function setups the registers for ECC and whether or not 
+   the spare area will be transfered. */
+static void setup_ecc_for_xfer(struct denali_nand_info *denali, bool ecc_en, 
+				bool transfer_spare)
+{
+	int ecc_en_flag = 0, transfer_spare_flag = 0; 
+
+	/* set ECC, transfer spare bits if needed */
+	ecc_en_flag = ecc_en ? ECC_ENABLE__FLAG : 0;
+	transfer_spare_flag = transfer_spare ? TRANSFER_SPARE_REG__FLAG : 0;
+
+	/* Enable spare area/ECC per user's request. */
+	denali_write32(ecc_en_flag, denali->flash_reg + ECC_ENABLE);
+	denali_write32(transfer_spare_flag, denali->flash_reg + TRANSFER_SPARE_REG);
+}
+
+/* sends a pipeline command operation to the controller. See the Denali NAND 
+   controller's user guide for more information (section 4.2.3.6). 
+ */
+static int denali_send_pipeline_cmd(struct denali_nand_info *denali, bool ecc_en, 
+					bool transfer_spare, int access_type, 
+					int op)
+{
+	int status = PASS;
+	uint32_t addr = 0x0, cmd = 0x0, page_count = 1, irq_status = 0, 
+		 irq_mask = 0;
+
+	if (op == DENALI_READ) irq_mask = INTR_STATUS0__LOAD_COMP;
+	else if (op == DENALI_WRITE) irq_mask = 0;
+	else BUG();
+
+	setup_ecc_for_xfer(denali, ecc_en, transfer_spare);
+
+#if DEBUG_DENALI
+	spin_lock_irq(&denali->irq_lock);
+	denali->irq_debug_array[denali->idx++] = 0x40000000 | ioread32(denali->flash_reg + ECC_ENABLE) | (access_type << 4);
+	denali->idx %= 32;
+	spin_unlock_irq(&denali->irq_lock);
+#endif
+
+
+	/* clear interrupts */
+	clear_interrupts(denali);	
+
+	addr = BANK(denali->flash_bank) | denali->page;
+
+	if (op == DENALI_WRITE && access_type != SPARE_ACCESS)
+	{
+		cmd = MODE_01 | addr; 
+		denali_write32(cmd, denali->flash_mem);
+	}
+	else if (op == DENALI_WRITE && access_type == SPARE_ACCESS)
+	{
+		/* read spare area */
+		cmd = MODE_10 | addr; 
+		index_addr(denali, (uint32_t)cmd, access_type);
+
+		cmd = MODE_01 | addr; 
+		denali_write32(cmd, denali->flash_mem);
+	}
+	else if (op == DENALI_READ)
+	{
+		/* setup page read request for access type */
+		cmd = MODE_10 | addr; 
+		index_addr(denali, (uint32_t)cmd, access_type);
+
+		/* page 33 of the NAND controller spec indicates we should not
+		   use the pipeline commands in Spare area only mode. So we 
+		   don't.
+		 */
+		if (access_type == SPARE_ACCESS)
+		{
+			cmd = MODE_01 | addr;
+			denali_write32(cmd, denali->flash_mem);
+		}
+		else
+		{
+			index_addr(denali, (uint32_t)cmd, 0x2000 | op | page_count);
+	
+			/* wait for command to be accepted  
+			 * can always use status0 bit as the mask is identical for each
+			 * bank. */
+			irq_status = wait_for_irq(denali, irq_mask);
+
+			if (irq_status == 0)
+			{
+				printk(KERN_ERR "cmd, page, addr on timeout "
+					"(0x%x, 0x%x, 0x%x)\n", cmd, denali->page, addr);
+				status = FAIL;
+			}
+			else
+			{
+				cmd = MODE_01 | addr;
+				denali_write32(cmd, denali->flash_mem);
+			}
+		}
+	}
+	return status;
+}
+
+/* helper function that simply writes a buffer to the flash */
+static int write_data_to_flash_mem(struct denali_nand_info *denali, const uint8_t *buf, 
+					int len) 
+{
+	uint32_t i = 0, *buf32;
+
+	/* verify that the len is a multiple of 4. see comment in 
+	 * read_data_from_flash_mem() */	
+	BUG_ON((len % 4) != 0);
+
+	/* write the data to the flash memory */
+	buf32 = (uint32_t *)buf;
+	for (i = 0; i < len / 4; i++)
+	{
+		denali_write32(*buf32++, denali->flash_mem + 0x10);
+	}
+	return i*4; /* intent is to return the number of bytes read */ 
+}
+
+/* helper function that simply reads a buffer from the flash */
+static int read_data_from_flash_mem(struct denali_nand_info *denali, uint8_t *buf, 
+					int len)
+{
+	uint32_t i = 0, *buf32;
+
+	/* we assume that len will be a multiple of 4, if not
+	 * it would be nice to know about it ASAP rather than
+	 * have random failures... 
+         *	
+	 * This assumption is based on the fact that this 
+	 * function is designed to be used to read flash pages, 
+	 * which are typically multiples of 4...
+	 */
+
+	BUG_ON((len % 4) != 0);
+
+	/* transfer the data from the flash */
+	buf32 = (uint32_t *)buf;
+	for (i = 0; i < len / 4; i++)
+	{
+		*buf32++ = ioread32(denali->flash_mem + 0x10);
+	}
+	return i*4; /* intent is to return the number of bytes read */ 
+}
+
+/* writes OOB data to the device */
+static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+	uint32_t irq_status = 0;
+	uint32_t irq_mask = INTR_STATUS0__PROGRAM_COMP | 
+						INTR_STATUS0__PROGRAM_FAIL;
+	int status = 0;
+
+	denali->page = page;
+
+	if (denali_send_pipeline_cmd(denali, false, false, SPARE_ACCESS, 
+							DENALI_WRITE) == PASS) 
+	{
+		write_data_to_flash_mem(denali, buf, mtd->oobsize);
+
+#if DEBUG_DENALI
+		spin_lock_irq(&denali->irq_lock);
+		denali->irq_debug_array[denali->idx++] = 0x80000000 | mtd->oobsize;
+		denali->idx %= 32;
+		spin_unlock_irq(&denali->irq_lock);
+#endif
+
+	
+		/* wait for operation to complete */
+		irq_status = wait_for_irq(denali, irq_mask);
+
+		if (irq_status == 0)
+		{
+			printk(KERN_ERR "OOB write failed\n");
+			status = -EIO;
+		}
+	}
+	else 
+	{ 	
+		printk(KERN_ERR "unable to send pipeline command\n");
+		status = -EIO; 
+	}
+	return status;
+}
+
+/* reads OOB data from the device */
+static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+	uint32_t irq_mask = INTR_STATUS0__LOAD_COMP, irq_status = 0, addr = 0x0, cmd = 0x0;
+
+	denali->page = page;
+
+#if DEBUG_DENALI
+	printk("read_oob %d\n", page);
+#endif
+	if (denali_send_pipeline_cmd(denali, false, true, SPARE_ACCESS, 
+							DENALI_READ) == PASS) 
+	{
+		read_data_from_flash_mem(denali, buf, mtd->oobsize);	
+
+		/* wait for command to be accepted  
+		 * can always use status0 bit as the mask is identical for each
+		 * bank. */
+		irq_status = wait_for_irq(denali, irq_mask);
+
+		if (irq_status == 0)
+		{
+			printk(KERN_ERR "page on OOB timeout %d\n", denali->page);
+		}
+
+		/* We set the device back to MAIN_ACCESS here as I observed
+		 * instability with the controller if you do a block erase
+		 * and the last transaction was a SPARE_ACCESS. Block erase
+		 * is reliable (according to the MTD test infrastructure)
+		 * if you are in MAIN_ACCESS. 
+		 */
+		addr = BANK(denali->flash_bank) | denali->page;
+		cmd = MODE_10 | addr; 
+		index_addr(denali, (uint32_t)cmd, MAIN_ACCESS);
+
+#if DEBUG_DENALI
+		spin_lock_irq(&denali->irq_lock);
+		denali->irq_debug_array[denali->idx++] = 0x60000000 | mtd->oobsize;
+		denali->idx %= 32;
+		spin_unlock_irq(&denali->irq_lock);
+#endif
+	}
+}
+
+/* this function examines buffers to see if they contain data that 
+ * indicate that the buffer is part of an erased region of flash.
+ */
+bool is_erased(uint8_t *buf, int len)
+{
+	int i = 0;
+	for (i = 0; i < len; i++)
+	{	
+		if (buf[i] != 0xFF)
+		{
+			return false;
+		}
+	}
+	return true;
+}
+#define ECC_SECTOR_SIZE 512
+
+#define ECC_SECTOR(x)	(((x) & ECC_ERROR_ADDRESS__SECTOR_NR) >> 12)
+#define ECC_BYTE(x)	(((x) & ECC_ERROR_ADDRESS__OFFSET))
+#define ECC_CORRECTION_VALUE(x) ((x) & ERR_CORRECTION_INFO__BYTEMASK)
+#define ECC_ERROR_CORRECTABLE(x) (!((x) & ERR_CORRECTION_INFO))
+#define ECC_ERR_DEVICE(x)	((x) & ERR_CORRECTION_INFO__DEVICE_NR >> 8)
+#define ECC_LAST_ERR(x)		((x) & ERR_CORRECTION_INFO__LAST_ERR_INFO)
+
+static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf, 
+			uint8_t *oobbuf, uint32_t irq_status)
+{
+	bool check_erased_page = false;
+
+	if (irq_status & INTR_STATUS0__ECC_ERR)
+	{
+		/* read the ECC errors. we'll ignore them for now */
+		uint32_t err_address = 0, err_correction_info = 0;
+		uint32_t err_byte = 0, err_sector = 0, err_device = 0;
+		uint32_t err_correction_value = 0;
+
+		do 
+		{
+			err_address = ioread32(denali->flash_reg + 
+						ECC_ERROR_ADDRESS);
+			err_sector = ECC_SECTOR(err_address);
+			err_byte = ECC_BYTE(err_address);
+
+
+			err_correction_info = ioread32(denali->flash_reg + 
+						ERR_CORRECTION_INFO);
+			err_correction_value = 
+				ECC_CORRECTION_VALUE(err_correction_info);
+			err_device = ECC_ERR_DEVICE(err_correction_info);
+
+			if (ECC_ERROR_CORRECTABLE(err_correction_info))
+			{
+				/* offset in our buffer is computed as:
+				   sector number * sector size + offset in 
+				   sector
+				 */
+				int offset = err_sector * ECC_SECTOR_SIZE + 
+								err_byte;
+				if (offset < denali->mtd.writesize)
+				{
+					/* correct the ECC error */
+					buf[offset] ^= err_correction_value;
+					denali->mtd.ecc_stats.corrected++;
+				}
+				else
+				{
+					/* bummer, couldn't correct the error */
+					printk(KERN_ERR "ECC offset invalid\n");
+					denali->mtd.ecc_stats.failed++;
+				}
+			}
+			else
+			{
+				/* if the error is not correctable, need to 
+				 * look at the page to see if it is an erased page.
+				 * if so, then it's not a real ECC error */	
+				check_erased_page = true;
+			}
+
+#if DEBUG_DENALI 
+			printk("Detected ECC error in page %d: err_addr = 0x%08x,"
+				" info to fix is 0x%08x\n", denali->page, err_address, 
+				err_correction_info);
+#endif
+		} while (!ECC_LAST_ERR(err_correction_info));
+	}
+	return check_erased_page;
+}
+
+/* programs the controller to either enable/disable DMA transfers */
+static void enable_dma(struct denali_nand_info *denali, bool en)
+{
+	uint32_t reg_val = 0x0;
+
+	if (en) reg_val = DMA_ENABLE__FLAG;
+
+	denali_write32(reg_val, denali->flash_reg + DMA_ENABLE);
+	ioread32(denali->flash_reg + DMA_ENABLE);
+}
+
+/* setups the HW to perform the data DMA */
+static void setup_dma(struct denali_nand_info *denali, int op)
+{
+	uint32_t mode = 0x0;
+	const int page_count = 1;
+	dma_addr_t addr = denali->buf.dma_buf;
+
+	mode = MODE_10 | BANK(denali->flash_bank);
+
+	/* DMA is a four step process */
+
+	/* 1. setup transfer type and # of pages */
+	index_addr(denali, mode | denali->page, 0x2000 | op | page_count);
+
+	/* 2. set memory high address bits 23:8 */
+	index_addr(denali, mode | ((uint16_t)(addr >> 16) << 8), 0x2200);
+
+	/* 3. set memory low address bits 23:8 */
+	index_addr(denali, mode | ((uint16_t)addr << 8), 0x2300);
+
+	/* 4.  interrupt when complete, burst len = 64 bytes*/
+	index_addr(denali, mode | 0x14000, 0x2400);
+}
+
+/* writes a page. user specifies type, and this function handles the 
+   configuration details. */
+static void write_page(struct mtd_info *mtd, struct nand_chip *chip, 
+			const uint8_t *buf, bool raw_xfer)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+	struct pci_dev *pci_dev = denali->dev;
+
+	dma_addr_t addr = denali->buf.dma_buf;
+	size_t size = denali->mtd.writesize + denali->mtd.oobsize;
+
+	uint32_t irq_status = 0;
+	uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP | 
+						INTR_STATUS0__PROGRAM_FAIL;
+
+	/* if it is a raw xfer, we want to disable ecc, and send
+	 * the spare area.
+	 * !raw_xfer - enable ecc
+	 * raw_xfer - transfer spare
+	 */
+	setup_ecc_for_xfer(denali, !raw_xfer, raw_xfer);
+
+	/* copy buffer into DMA buffer */
+	memcpy(denali->buf.buf, buf, mtd->writesize);
+
+	if (raw_xfer)
+	{
+		/* transfer the data to the spare area */
+		memcpy(denali->buf.buf + mtd->writesize, 
+			chip->oob_poi, 
+			mtd->oobsize); 
+	}
+
+	pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_TODEVICE);
+
+	clear_interrupts(denali);
+	enable_dma(denali, true);	
+
+	setup_dma(denali, DENALI_WRITE);
+
+	/* wait for operation to complete */
+	irq_status = wait_for_irq(denali, irq_mask);
+
+	if (irq_status == 0)
+	{
+		printk(KERN_ERR "timeout on write_page (type = %d)\n", raw_xfer);
+		denali->status = 
+	   	   (irq_status & INTR_STATUS0__PROGRAM_FAIL) ? NAND_STATUS_FAIL : 
+						   	     PASS;
+	}
+
+	enable_dma(denali, false);	
+	pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_TODEVICE);
+}
+
+/* NAND core entry points */
+
+/* this is the callback that the NAND core calls to write a page. Since 
+   writing a page with ECC or without is similar, all the work is done 
+   by write_page above.   */
+static void denali_write_page(struct mtd_info *mtd, struct nand_chip *chip, 
+				const uint8_t *buf)
+{
+	/* for regular page writes, we let HW handle all the ECC
+         * data written to the device. */
+	write_page(mtd, chip, buf, false);
+}
+
+/* This is the callback that the NAND core calls to write a page without ECC. 
+   raw access is similiar to ECC page writes, so all the work is done in the
+   write_page() function above. 
+ */
+static void denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip, 
+					const uint8_t *buf)
+{
+	/* for raw page writes, we want to disable ECC and simply write 
+	   whatever data is in the buffer. */
+	write_page(mtd, chip, buf, true);
+}
+
+static int denali_write_oob(struct mtd_info *mtd, struct nand_chip *chip, 
+			    int page)
+{
+	return write_oob_data(mtd, chip->oob_poi, page);	
+}
+
+static int denali_read_oob(struct mtd_info *mtd, struct nand_chip *chip, 
+			   int page, int sndcmd)
+{
+	read_oob_data(mtd, chip->oob_poi, page);
+
+	return 0; /* notify NAND core to send command to 
+                   * NAND device. */
+}
+
+static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
+			    uint8_t *buf, int page)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+	struct pci_dev *pci_dev = denali->dev;
+
+	dma_addr_t addr = denali->buf.dma_buf;
+	size_t size = denali->mtd.writesize + denali->mtd.oobsize;
+
+	uint32_t irq_status = 0;
+	uint32_t irq_mask = INTR_STATUS0__ECC_TRANSACTION_DONE | 
+			    INTR_STATUS0__ECC_ERR;
+	bool check_erased_page = false;
+
+	setup_ecc_for_xfer(denali, true, false);
+
+	enable_dma(denali, true);
+	pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
+
+	clear_interrupts(denali);
+	setup_dma(denali, DENALI_READ);
+
+	/* wait for operation to complete */
+	irq_status = wait_for_irq(denali, irq_mask);
+
+	pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
+
+	memcpy(buf, denali->buf.buf, mtd->writesize);
+	
+	check_erased_page = handle_ecc(denali, buf, chip->oob_poi, irq_status);
+	enable_dma(denali, false);
+
+	if (check_erased_page)
+	{
+		read_oob_data(&denali->mtd, chip->oob_poi, denali->page);
+
+		/* check ECC failures that may have occurred on erased pages */
+		if (check_erased_page)
+		{
+			if (!is_erased(buf, denali->mtd.writesize))
+			{
+				denali->mtd.ecc_stats.failed++;
+			}
+			if (!is_erased(buf, denali->mtd.oobsize))
+			{
+				denali->mtd.ecc_stats.failed++;
+			}
+		}	
+	}
+	return 0;
+}
+
+static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
+				uint8_t *buf, int page)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+	struct pci_dev *pci_dev = denali->dev;
+
+	dma_addr_t addr = denali->buf.dma_buf;
+	size_t size = denali->mtd.writesize + denali->mtd.oobsize;
+
+	uint32_t irq_status = 0;
+	uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP;
+						
+	setup_ecc_for_xfer(denali, false, true);
+	enable_dma(denali, true);
+
+	pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
+
+	clear_interrupts(denali);
+	setup_dma(denali, DENALI_READ);
+
+	/* wait for operation to complete */
+	irq_status = wait_for_irq(denali, irq_mask);
+
+	pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
+
+	enable_dma(denali, false);
+
+	memcpy(buf, denali->buf.buf, mtd->writesize);
+	memcpy(chip->oob_poi, denali->buf.buf + mtd->writesize, mtd->oobsize);
+
+	return 0;
+}
+
+static uint8_t denali_read_byte(struct mtd_info *mtd)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+	uint8_t result = 0xff;
+
+	if (denali->buf.head < denali->buf.tail)
+	{
+		result = denali->buf.buf[denali->buf.head++];
+	}
+
+#if DEBUG_DENALI
+	printk("read byte -> 0x%02x\n", result);
+#endif
+	return result;
+}
+
+static void denali_select_chip(struct mtd_info *mtd, int chip)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+#if DEBUG_DENALI
+	printk("denali select chip %d\n", chip);
+#endif
+	spin_lock_irq(&denali->irq_lock);
+	denali->flash_bank = chip;
+	spin_unlock_irq(&denali->irq_lock);
+}
+
+static int denali_waitfunc(struct mtd_info *mtd, struct nand_chip *chip)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+	int status = denali->status;
+	denali->status = 0;
+
+#if DEBUG_DENALI
+	printk("waitfunc %d\n", status);
+#endif
+	return status;
+}
+
+static void denali_erase(struct mtd_info *mtd, int page)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+
+	uint32_t cmd = 0x0, irq_status = 0;
+
+#if DEBUG_DENALI
+	printk("erase page: %d\n", page);
+#endif
+	/* clear interrupts */
+	clear_interrupts(denali);	
+
+	/* setup page read request for access type */
+	cmd = MODE_10 | BANK(denali->flash_bank) | page;
+	index_addr(denali, (uint32_t)cmd, 0x1);
+
+	/* wait for erase to complete or failure to occur */
+	irq_status = wait_for_irq(denali, INTR_STATUS0__ERASE_COMP | 
+					INTR_STATUS0__ERASE_FAIL);
+
+	denali->status = (irq_status & INTR_STATUS0__ERASE_FAIL) ? NAND_STATUS_FAIL : 
+								 PASS;
+}
+
+static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col, 
+			   int page)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+
+#if DEBUG_DENALI
+	printk("cmdfunc: 0x%x %d %d\n", cmd, col, page);
+#endif
+	switch (cmd)
+	{ 
+		case NAND_CMD_PAGEPROG:
+			break;
+		case NAND_CMD_STATUS:
+			read_status(denali);
+			break;
+		case NAND_CMD_READID:
+			reset_buf(denali);
+			if (denali->flash_bank < denali->total_used_banks)
+			{
+				/* write manufacturer information into nand 
+				   buffer for NAND subsystem to fetch.
+  			         */ 
+	                        write_byte_to_buf(denali, denali->dev_info.wDeviceMaker);
+	                        write_byte_to_buf(denali, denali->dev_info.wDeviceID);
+	                        write_byte_to_buf(denali, denali->dev_info.bDeviceParam0);
+	                        write_byte_to_buf(denali, denali->dev_info.bDeviceParam1);
+	                        write_byte_to_buf(denali, denali->dev_info.bDeviceParam2);
+			}
+			else 
+			{
+				int i;
+				for (i = 0; i < 5; i++) 
+					write_byte_to_buf(denali, 0xff);
+			}
+			break;
+		case NAND_CMD_READ0:
+		case NAND_CMD_SEQIN:
+			denali->page = page;
+			break;
+		case NAND_CMD_RESET:
+			reset_bank(denali);
+			break;
+		case NAND_CMD_READOOB:
+			/* TODO: Read OOB data */
+			break;
+		default:
+			printk(KERN_ERR ": unsupported command received 0x%x\n", cmd);
+			break;
+	}
+}
+
+/* stubs for ECC functions not used by the NAND core */
+static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data, 
+				uint8_t *ecc_code)
+{
+	printk(KERN_ERR "denali_ecc_calculate called unexpectedly\n");
+	BUG();
+	return -EIO;
+}
+
+static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data, 
+				uint8_t *read_ecc, uint8_t *calc_ecc)
+{
+	printk(KERN_ERR "denali_ecc_correct called unexpectedly\n");
+	BUG();
+	return -EIO;
+}
+
+static void denali_ecc_hwctl(struct mtd_info *mtd, int mode)
+{
+	printk(KERN_ERR "denali_ecc_hwctl called unexpectedly\n");
+	BUG();
+}
+/* end NAND core entry points */
+
+/* Initialization code to bring the device up to a known good state */
+static void denali_hw_init(struct denali_nand_info *denali)
+{
+	denali_irq_init(denali);
+	NAND_Flash_Reset(denali);
+	denali_write32(0x0F, denali->flash_reg + RB_PIN_ENABLED);
+	denali_write32(CHIP_EN_DONT_CARE__FLAG, denali->flash_reg + CHIP_ENABLE_DONT_CARE);
+
+	denali_write32(0x0, denali->flash_reg + SPARE_AREA_SKIP_BYTES);
+	denali_write32(0xffff, denali->flash_reg + SPARE_AREA_MARKER);
+
+	/* Should set value for these registers when init */
+	denali_write32(0, denali->flash_reg + TWO_ROW_ADDR_CYCLES);
+	denali_write32(1, denali->flash_reg + ECC_ENABLE);
+}
+
+/* ECC layout for SLC devices. Denali spec indicates SLC fixed at 4 bytes */
+#define ECC_BYTES_SLC   4 * (2048 / ECC_SECTOR_SIZE)
+static struct nand_ecclayout nand_oob_slc = {
+	.eccbytes = 4,
+	.eccpos = { 0, 1, 2, 3 }, /* not used */
+	.oobfree = {{ 
+			.offset = ECC_BYTES_SLC, 
+			.length = 64 - ECC_BYTES_SLC  
+		   }}
+};
+
+#define ECC_BYTES_MLC   14 * (2048 / ECC_SECTOR_SIZE)
+static struct nand_ecclayout nand_oob_mlc_14bit = {
+	.eccbytes = 14,
+	.eccpos = { 0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13 }, /* not used */
+	.oobfree = {{ 
+			.offset = ECC_BYTES_MLC, 
+			.length = 64 - ECC_BYTES_MLC  
+		   }}
+};
+
+static uint8_t bbt_pattern[] = {'B', 'b', 't', '0' };
+static uint8_t mirror_pattern[] = {'1', 't', 'b', 'B' };
+
+static struct nand_bbt_descr bbt_main_descr = {
+	.options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
+		| NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
+	.offs =	8,
+	.len = 4,
+	.veroffs = 12,
+	.maxblocks = 4,
+	.pattern = bbt_pattern,
+};
+
+static struct nand_bbt_descr bbt_mirror_descr = {
+	.options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
+		| NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
+	.offs =	8,
+	.len = 4,
+	.veroffs = 12,
+	.maxblocks = 4,
+	.pattern = mirror_pattern,
+};
+
+/* initalize driver data structures */
+void denali_drv_init(struct denali_nand_info *denali)
+{
+	denali->idx = 0;
+
+	/* setup interrupt handler */
+	/* the completion object will be used to notify 
+	 * the callee that the interrupt is done */
+	init_completion(&denali->complete);
+
+	/* the spinlock will be used to synchronize the ISR
+	 * with any element that might be access shared 
+	 * data (interrupt status) */
+	spin_lock_init(&denali->irq_lock);
+
+	/* indicate that MTD has not selected a valid bank yet */
+	denali->flash_bank = CHIP_SELECT_INVALID;
+
+	/* initialize our irq_status variable to indicate no interrupts */
+	denali->irq_status = 0;
+}
+
+/* driver entry point */
+static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+	int ret = -ENODEV;
+	resource_size_t csr_base, mem_base;
+	unsigned long csr_len, mem_len;
+	struct denali_nand_info *denali;
+
+	nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n",
+		       __FILE__, __LINE__, __func__);
+
+	denali = kzalloc(sizeof(*denali), GFP_KERNEL);
+	if (!denali)
+		return -ENOMEM;
+
+	ret = pci_enable_device(dev);
+	if (ret) {
+		printk(KERN_ERR "Spectra: pci_enable_device failed.\n");
+		goto failed_enable;
+	}
+
+	if (id->driver_data == INTEL_CE4100) {
+		/* Due to a silicon limitation, we can only support 
+		 * ONFI timing mode 1 and below. 
+		 */ 
+		if (onfi_timing_mode < -1 || onfi_timing_mode > 1)
+		{
+			printk("Intel CE4100 only supports ONFI timing mode 1 "
+				"or below\n");
+			ret = -EINVAL;
+			goto failed_enable;
+		}
+		denali->platform = INTEL_CE4100;
+		mem_base = pci_resource_start(dev, 0);
+		mem_len = pci_resource_len(dev, 1);
+		csr_base = pci_resource_start(dev, 1);
+		csr_len = pci_resource_len(dev, 1);
+	} else {
+		denali->platform = INTEL_MRST;
+		csr_base = pci_resource_start(dev, 0);
+		csr_len = pci_resource_start(dev, 0);
+		mem_base = pci_resource_start(dev, 1);
+		mem_len = pci_resource_len(dev, 1);
+		if (!mem_len) {
+			mem_base = csr_base + csr_len;
+			mem_len = csr_len;
+			nand_dbg_print(NAND_DBG_WARN,
+				       "Spectra: No second BAR for PCI device; assuming %08Lx\n",
+				       (uint64_t)csr_base);
+		}
+	}
+
+	/* Is 32-bit DMA supported? */
+	ret = pci_set_dma_mask(dev, DMA_BIT_MASK(32));
+
+	if (ret)
+	{
+		printk(KERN_ERR "Spectra: no usable DMA configuration\n");
+		goto failed_enable;
+	}
+	denali->buf.dma_buf = pci_map_single(dev, denali->buf.buf, DENALI_BUF_SIZE, 
+					 PCI_DMA_BIDIRECTIONAL);
+
+	if (pci_dma_mapping_error(dev, denali->buf.dma_buf))
+	{
+		printk(KERN_ERR "Spectra: failed to map DMA buffer\n");
+		goto failed_enable;
+	}
+
+	pci_set_master(dev);
+	denali->dev = dev;
+
+	ret = pci_request_regions(dev, DENALI_NAND_NAME);
+	if (ret) {
+		printk(KERN_ERR "Spectra: Unable to request memory regions\n");
+		goto failed_req_csr;
+	}
+
+	denali->flash_reg = ioremap_nocache(csr_base, csr_len);
+	if (!denali->flash_reg) {
+		printk(KERN_ERR "Spectra: Unable to remap memory region\n");
+		ret = -ENOMEM;
+		goto failed_remap_csr;
+	}
+	nand_dbg_print(NAND_DBG_DEBUG, "Spectra: CSR 0x%08Lx -> 0x%p (0x%lx)\n",
+		       (uint64_t)csr_base, denali->flash_reg, csr_len);
+
+	denali->flash_mem = ioremap_nocache(mem_base, mem_len);
+	if (!denali->flash_mem) {
+		printk(KERN_ERR "Spectra: ioremap_nocache failed!");
+		iounmap(denali->flash_reg);
+		ret = -ENOMEM;
+		goto failed_remap_csr;
+	}
+
+	nand_dbg_print(NAND_DBG_WARN,
+		"Spectra: Remapped flash base address: "
+		"0x%p, len: %ld\n",
+		denali->flash_mem, csr_len);
+
+	denali_hw_init(denali);
+	denali_drv_init(denali);
+
+	nand_dbg_print(NAND_DBG_DEBUG, "Spectra: IRQ %d\n", dev->irq);
+	if (request_irq(dev->irq, denali_isr, IRQF_SHARED,
+			DENALI_NAND_NAME, denali)) {
+		printk(KERN_ERR "Spectra: Unable to allocate IRQ\n");
+		ret = -ENODEV;
+		goto failed_request_irq;
+	}
+
+	/* now that our ISR is registered, we can enable interrupts */
+	NAND_LLD_Enable_Disable_Interrupts(denali, true);
+
+	pci_set_drvdata(dev, denali);
+
+	NAND_Read_Device_ID(denali);
+
+	/* MTD supported page sizes vary by kernel. We validate our 
+           kernel supports the device here.
+	 */
+	if (denali->dev_info.wPageSize > NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE)
+	{
+		ret = -ENODEV;
+		printk(KERN_ERR "Spectra: device size not supported by this "
+			"version of MTD.");
+		goto failed_nand;
+	}
+
+	nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:"
+			"acc_clks: %d, re_2_we: %d, we_2_re: %d,"
+			"addr_2_data: %d, rdwr_en_lo_cnt: %d, "
+			"rdwr_en_hi_cnt: %d, cs_setup_cnt: %d\n",
+			ioread32(denali->flash_reg + ACC_CLKS),
+			ioread32(denali->flash_reg + RE_2_WE),
+			ioread32(denali->flash_reg + WE_2_RE),
+			ioread32(denali->flash_reg + ADDR_2_DATA),
+			ioread32(denali->flash_reg + RDWR_EN_LO_CNT),
+			ioread32(denali->flash_reg + RDWR_EN_HI_CNT),
+			ioread32(denali->flash_reg + CS_SETUP_CNT));
+
+	denali->mtd.name = "Denali NAND";
+	denali->mtd.owner = THIS_MODULE;
+	denali->mtd.priv = &denali->nand;
+
+	/* register the driver with the NAND core subsystem */
+	denali->nand.select_chip = denali_select_chip;
+	denali->nand.cmdfunc = denali_cmdfunc;
+	denali->nand.read_byte = denali_read_byte;
+	denali->nand.waitfunc = denali_waitfunc;
+
+	/* scan for NAND devices attached to the controller 
+	 * this is the first stage in a two step process to register
+	 * with the nand subsystem */	
+	if (nand_scan_ident(&denali->mtd, LLD_MAX_FLASH_BANKS, NULL))
+	{
+		ret = -ENXIO;
+		goto failed_nand;
+	}
+	
+	/* second stage of the NAND scan 
+	 * this stage requires information regarding ECC and 
+         * bad block management. */
+
+	/* Bad block management */
+	denali->nand.bbt_td = &bbt_main_descr;
+	denali->nand.bbt_md = &bbt_mirror_descr;
+
+	/* skip the scan for now until we have OOB read and write support */
+	denali->nand.options |= NAND_USE_FLASH_BBT | NAND_SKIP_BBTSCAN;
+	denali->nand.ecc.mode = NAND_ECC_HW_SYNDROME;
+
+	if (denali->dev_info.MLCDevice)
+	{
+		denali->nand.ecc.layout = &nand_oob_mlc_14bit;
+		denali->nand.ecc.bytes = ECC_BYTES_MLC;
+	}
+	else /* SLC */
+	{
+		denali->nand.ecc.layout = &nand_oob_slc;
+		denali->nand.ecc.bytes = ECC_BYTES_SLC;
+	}
+
+	/* These functions are required by the NAND core framework, otherwise, 
+           the NAND core will assert. However, we don't need them, so we'll stub 
+           them out. */
+	denali->nand.ecc.calculate = denali_ecc_calculate;
+	denali->nand.ecc.correct = denali_ecc_correct;
+	denali->nand.ecc.hwctl = denali_ecc_hwctl;
+
+	/* override the default read operations */
+	denali->nand.ecc.size = denali->mtd.writesize;
+	denali->nand.ecc.read_page = denali_read_page;
+	denali->nand.ecc.read_page_raw = denali_read_page_raw;
+	denali->nand.ecc.write_page = denali_write_page;
+	denali->nand.ecc.write_page_raw = denali_write_page_raw;
+	denali->nand.ecc.read_oob = denali_read_oob;
+	denali->nand.ecc.write_oob = denali_write_oob;
+	denali->nand.erase_cmd = denali_erase;
+
+	if (nand_scan_tail(&denali->mtd))
+	{
+		ret = -ENXIO;
+		goto failed_nand;
+	}
+
+	ret = add_mtd_device(&denali->mtd);
+	if (ret) {
+		printk(KERN_ERR "Spectra: Failed to register MTD device: %d\n", ret);
+		goto failed_nand;
+	}
+	return 0;
+
+ failed_nand:
+	denali_irq_cleanup(dev->irq, denali);
+ failed_request_irq:
+	iounmap(denali->flash_reg);
+	iounmap(denali->flash_mem);
+ failed_remap_csr:
+	pci_release_regions(dev);
+ failed_req_csr:
+	pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE, 
+							PCI_DMA_BIDIRECTIONAL);
+ failed_enable:
+	kfree(denali);
+	return ret;
+}
+
+/* driver exit point */
+static void denali_pci_remove(struct pci_dev *dev)
+{
+	struct denali_nand_info *denali = pci_get_drvdata(dev);
+
+	nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n",
+		       __FILE__, __LINE__, __func__);
+
+	nand_release(&denali->mtd);
+	del_mtd_device(&denali->mtd);
+
+	denali_irq_cleanup(dev->irq, denali);
+
+	iounmap(denali->flash_reg);
+	iounmap(denali->flash_mem);
+	pci_release_regions(dev);
+	pci_disable_device(dev);
+	pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE, 
+							PCI_DMA_BIDIRECTIONAL);
+	pci_set_drvdata(dev, NULL);
+	kfree(denali);
+}
+
+MODULE_DEVICE_TABLE(pci, denali_pci_ids);
+
+static struct pci_driver denali_pci_driver = {
+	.name = DENALI_NAND_NAME,
+	.id_table = denali_pci_ids,
+	.probe = denali_pci_probe,
+	.remove = denali_pci_remove,
+};
+
+static int __devinit denali_init(void)
+{
+	printk(KERN_INFO "Spectra MTD driver built on %s @ %s\n", __DATE__, __TIME__);
+	return pci_register_driver(&denali_pci_driver);
+}
+
+/* Free memory */
+static void __devexit denali_exit(void)
+{
+	pci_unregister_driver(&denali_pci_driver);
+}
+
+module_init(denali_init);
+module_exit(denali_exit);
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h
new file mode 100644
index 00000000000..422a29ab2f6
--- /dev/null
+++ b/drivers/mtd/nand/denali.h
@@ -0,0 +1,816 @@
+/*
+ * NAND Flash Controller Device Driver
+ * Copyright (c) 2009 - 2010, Intel Corporation and its suppliers.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <linux/mtd/nand.h> 
+
+#define DEVICE_RESET				0x0
+#define     DEVICE_RESET__BANK0				0x0001
+#define     DEVICE_RESET__BANK1				0x0002
+#define     DEVICE_RESET__BANK2				0x0004
+#define     DEVICE_RESET__BANK3				0x0008
+
+#define TRANSFER_SPARE_REG			0x10
+#define     TRANSFER_SPARE_REG__FLAG			0x0001
+
+#define LOAD_WAIT_CNT				0x20
+#define     LOAD_WAIT_CNT__VALUE				0xffff
+
+#define PROGRAM_WAIT_CNT			0x30
+#define     PROGRAM_WAIT_CNT__VALUE			0xffff
+
+#define ERASE_WAIT_CNT				0x40
+#define     ERASE_WAIT_CNT__VALUE			0xffff
+
+#define INT_MON_CYCCNT				0x50
+#define     INT_MON_CYCCNT__VALUE			0xffff
+
+#define RB_PIN_ENABLED				0x60
+#define     RB_PIN_ENABLED__BANK0			0x0001
+#define     RB_PIN_ENABLED__BANK1			0x0002
+#define     RB_PIN_ENABLED__BANK2			0x0004
+#define     RB_PIN_ENABLED__BANK3			0x0008
+
+#define MULTIPLANE_OPERATION			0x70
+#define     MULTIPLANE_OPERATION__FLAG			0x0001
+
+#define MULTIPLANE_READ_ENABLE			0x80
+#define     MULTIPLANE_READ_ENABLE__FLAG		0x0001
+
+#define COPYBACK_DISABLE			0x90
+#define     COPYBACK_DISABLE__FLAG			0x0001
+
+#define CACHE_WRITE_ENABLE			0xa0
+#define     CACHE_WRITE_ENABLE__FLAG			0x0001
+
+#define CACHE_READ_ENABLE			0xb0
+#define     CACHE_READ_ENABLE__FLAG			0x0001
+
+#define PREFETCH_MODE				0xc0
+#define     PREFETCH_MODE__PREFETCH_EN			0x0001
+#define     PREFETCH_MODE__PREFETCH_BURST_LENGTH	0xfff0
+
+#define CHIP_ENABLE_DONT_CARE			0xd0
+#define     CHIP_EN_DONT_CARE__FLAG			0x01
+
+#define ECC_ENABLE				0xe0
+#define     ECC_ENABLE__FLAG				0x0001
+
+#define GLOBAL_INT_ENABLE			0xf0
+#define     GLOBAL_INT_EN_FLAG				0x01
+
+#define WE_2_RE					0x100
+#define     WE_2_RE__VALUE				0x003f
+
+#define ADDR_2_DATA				0x110
+#define     ADDR_2_DATA__VALUE				0x003f
+
+#define RE_2_WE					0x120
+#define     RE_2_WE__VALUE				0x003f
+
+#define ACC_CLKS    				0x130
+#define     ACC_CLKS__VALUE				0x000f
+
+#define NUMBER_OF_PLANES			0x140
+#define     NUMBER_OF_PLANES__VALUE			0x0007
+
+#define PAGES_PER_BLOCK				0x150
+#define     PAGES_PER_BLOCK__VALUE			0xffff
+
+#define DEVICE_WIDTH				0x160
+#define     DEVICE_WIDTH__VALUE				0x0003
+
+#define DEVICE_MAIN_AREA_SIZE			0x170
+#define     DEVICE_MAIN_AREA_SIZE__VALUE		0xffff
+
+#define DEVICE_SPARE_AREA_SIZE			0x180
+#define     DEVICE_SPARE_AREA_SIZE__VALUE		0xffff
+
+#define TWO_ROW_ADDR_CYCLES			0x190
+#define     TWO_ROW_ADDR_CYCLES__FLAG			0x0001
+
+#define MULTIPLANE_ADDR_RESTRICT		0x1a0
+#define     MULTIPLANE_ADDR_RESTRICT__FLAG		0x0001
+
+#define ECC_CORRECTION				0x1b0
+#define     ECC_CORRECTION__VALUE			0x001f
+
+#define READ_MODE				0x1c0
+#define     READ_MODE__VALUE				0x000f
+
+#define WRITE_MODE				0x1d0
+#define     WRITE_MODE__VALUE				0x000f
+
+#define COPYBACK_MODE				0x1e0
+#define     COPYBACK_MODE__VALUE			0x000f
+
+#define RDWR_EN_LO_CNT				0x1f0
+#define     RDWR_EN_LO_CNT__VALUE			0x001f
+
+#define RDWR_EN_HI_CNT				0x200
+#define     RDWR_EN_HI_CNT__VALUE			0x001f
+
+#define MAX_RD_DELAY				0x210
+#define     MAX_RD_DELAY__VALUE				0x000f
+
+#define CS_SETUP_CNT				0x220
+#define     CS_SETUP_CNT__VALUE				0x001f
+
+#define SPARE_AREA_SKIP_BYTES			0x230
+#define     SPARE_AREA_SKIP_BYTES__VALUE		0x003f
+
+#define SPARE_AREA_MARKER			0x240
+#define     SPARE_AREA_MARKER__VALUE			0xffff
+
+#define DEVICES_CONNECTED			0x250
+#define     DEVICES_CONNECTED__VALUE			0x0007
+
+#define DIE_MASK					0x260
+#define     DIE_MASK__VALUE				0x00ff
+
+#define FIRST_BLOCK_OF_NEXT_PLANE		0x270
+#define     FIRST_BLOCK_OF_NEXT_PLANE__VALUE		0xffff
+
+#define WRITE_PROTECT				0x280
+#define     WRITE_PROTECT__FLAG				0x0001
+
+#define RE_2_RE					0x290
+#define     RE_2_RE__VALUE				0x003f
+
+#define MANUFACTURER_ID			0x300
+#define     MANUFACTURER_ID__VALUE			0x00ff
+
+#define DEVICE_ID				0x310
+#define     DEVICE_ID__VALUE				0x00ff
+
+#define DEVICE_PARAM_0				0x320
+#define     DEVICE_PARAM_0__VALUE			0x00ff
+
+#define DEVICE_PARAM_1				0x330
+#define     DEVICE_PARAM_1__VALUE			0x00ff
+
+#define DEVICE_PARAM_2				0x340
+#define     DEVICE_PARAM_2__VALUE			0x00ff
+
+#define LOGICAL_PAGE_DATA_SIZE			0x350
+#define     LOGICAL_PAGE_DATA_SIZE__VALUE		0xffff
+
+#define LOGICAL_PAGE_SPARE_SIZE			0x360
+#define     LOGICAL_PAGE_SPARE_SIZE__VALUE		0xffff
+
+#define REVISION					0x370
+#define     REVISION__VALUE				0xffff
+
+#define ONFI_DEVICE_FEATURES			0x380
+#define     ONFI_DEVICE_FEATURES__VALUE			0x003f
+
+#define ONFI_OPTIONAL_COMMANDS		0x390
+#define     ONFI_OPTIONAL_COMMANDS__VALUE		0x003f
+
+#define ONFI_TIMING_MODE			0x3a0
+#define     ONFI_TIMING_MODE__VALUE			0x003f
+
+#define ONFI_PGM_CACHE_TIMING_MODE		0x3b0
+#define     ONFI_PGM_CACHE_TIMING_MODE__VALUE		0x003f
+
+#define ONFI_DEVICE_NO_OF_LUNS			0x3c0
+#define     ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS		0x00ff
+#define     ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE		0x0100
+
+#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L	0x3d0
+#define     ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L__VALUE	0xffff
+
+#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U	0x3e0
+#define     ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U__VALUE	0xffff
+
+#define FEATURES					0x3f0
+#define     FEATURES__N_BANKS				0x0003
+#define     FEATURES__ECC_MAX_ERR			0x003c
+#define     FEATURES__DMA					0x0040
+#define     FEATURES__CMD_DMA				0x0080
+#define     FEATURES__PARTITION				0x0100
+#define     FEATURES__XDMA_SIDEBAND			0x0200
+#define     FEATURES__GPREG				0x0400
+#define     FEATURES__INDEX_ADDR				0x0800
+
+#define TRANSFER_MODE				0x400
+#define     TRANSFER_MODE__VALUE			0x0003
+
+#define INTR_STATUS0				0x410
+#define     INTR_STATUS0__ECC_TRANSACTION_DONE		0x0001
+#define     INTR_STATUS0__ECC_ERR			0x0002
+#define     INTR_STATUS0__DMA_CMD_COMP			0x0004
+#define     INTR_STATUS0__TIME_OUT			0x0008
+#define     INTR_STATUS0__PROGRAM_FAIL			0x0010
+#define     INTR_STATUS0__ERASE_FAIL			0x0020
+#define     INTR_STATUS0__LOAD_COMP			0x0040
+#define     INTR_STATUS0__PROGRAM_COMP			0x0080
+#define     INTR_STATUS0__ERASE_COMP			0x0100
+#define     INTR_STATUS0__PIPE_CPYBCK_CMD_COMP		0x0200
+#define     INTR_STATUS0__LOCKED_BLK			0x0400
+#define     INTR_STATUS0__UNSUP_CMD			0x0800
+#define     INTR_STATUS0__INT_ACT			0x1000
+#define     INTR_STATUS0__RST_COMP			0x2000
+#define     INTR_STATUS0__PIPE_CMD_ERR			0x4000
+#define     INTR_STATUS0__PAGE_XFER_INC			0x8000
+
+#define INTR_EN0					0x420
+#define     INTR_EN0__ECC_TRANSACTION_DONE		0x0001
+#define     INTR_EN0__ECC_ERR				0x0002
+#define     INTR_EN0__DMA_CMD_COMP			0x0004
+#define     INTR_EN0__TIME_OUT				0x0008
+#define     INTR_EN0__PROGRAM_FAIL			0x0010
+#define     INTR_EN0__ERASE_FAIL				0x0020
+#define     INTR_EN0__LOAD_COMP				0x0040
+#define     INTR_EN0__PROGRAM_COMP			0x0080
+#define     INTR_EN0__ERASE_COMP				0x0100
+#define     INTR_EN0__PIPE_CPYBCK_CMD_COMP		0x0200
+#define     INTR_EN0__LOCKED_BLK				0x0400
+#define     INTR_EN0__UNSUP_CMD				0x0800
+#define     INTR_EN0__INT_ACT				0x1000
+#define     INTR_EN0__RST_COMP				0x2000
+#define     INTR_EN0__PIPE_CMD_ERR			0x4000
+#define     INTR_EN0__PAGE_XFER_INC			0x8000
+
+#define PAGE_CNT0				0x430
+#define     PAGE_CNT0__VALUE				0x00ff
+
+#define ERR_PAGE_ADDR0				0x440
+#define     ERR_PAGE_ADDR0__VALUE			0xffff
+
+#define ERR_BLOCK_ADDR0			0x450
+#define     ERR_BLOCK_ADDR0__VALUE			0xffff
+
+#define INTR_STATUS1				0x460
+#define     INTR_STATUS1__ECC_TRANSACTION_DONE		0x0001
+#define     INTR_STATUS1__ECC_ERR			0x0002
+#define     INTR_STATUS1__DMA_CMD_COMP			0x0004
+#define     INTR_STATUS1__TIME_OUT			0x0008
+#define     INTR_STATUS1__PROGRAM_FAIL			0x0010
+#define     INTR_STATUS1__ERASE_FAIL			0x0020
+#define     INTR_STATUS1__LOAD_COMP			0x0040
+#define     INTR_STATUS1__PROGRAM_COMP			0x0080
+#define     INTR_STATUS1__ERASE_COMP			0x0100
+#define     INTR_STATUS1__PIPE_CPYBCK_CMD_COMP		0x0200
+#define     INTR_STATUS1__LOCKED_BLK			0x0400
+#define     INTR_STATUS1__UNSUP_CMD			0x0800
+#define     INTR_STATUS1__INT_ACT			0x1000
+#define     INTR_STATUS1__RST_COMP			0x2000
+#define     INTR_STATUS1__PIPE_CMD_ERR			0x4000
+#define     INTR_STATUS1__PAGE_XFER_INC			0x8000
+
+#define INTR_EN1					0x470
+#define     INTR_EN1__ECC_TRANSACTION_DONE		0x0001
+#define     INTR_EN1__ECC_ERR				0x0002
+#define     INTR_EN1__DMA_CMD_COMP			0x0004
+#define     INTR_EN1__TIME_OUT				0x0008
+#define     INTR_EN1__PROGRAM_FAIL			0x0010
+#define     INTR_EN1__ERASE_FAIL				0x0020
+#define     INTR_EN1__LOAD_COMP				0x0040
+#define     INTR_EN1__PROGRAM_COMP			0x0080
+#define     INTR_EN1__ERASE_COMP				0x0100
+#define     INTR_EN1__PIPE_CPYBCK_CMD_COMP		0x0200
+#define     INTR_EN1__LOCKED_BLK				0x0400
+#define     INTR_EN1__UNSUP_CMD				0x0800
+#define     INTR_EN1__INT_ACT				0x1000
+#define     INTR_EN1__RST_COMP				0x2000
+#define     INTR_EN1__PIPE_CMD_ERR			0x4000
+#define     INTR_EN1__PAGE_XFER_INC			0x8000
+
+#define PAGE_CNT1				0x480
+#define     PAGE_CNT1__VALUE				0x00ff
+
+#define ERR_PAGE_ADDR1				0x490
+#define     ERR_PAGE_ADDR1__VALUE			0xffff
+
+#define ERR_BLOCK_ADDR1			0x4a0
+#define     ERR_BLOCK_ADDR1__VALUE			0xffff
+
+#define INTR_STATUS2				0x4b0
+#define     INTR_STATUS2__ECC_TRANSACTION_DONE		0x0001
+#define     INTR_STATUS2__ECC_ERR			0x0002
+#define     INTR_STATUS2__DMA_CMD_COMP			0x0004
+#define     INTR_STATUS2__TIME_OUT			0x0008
+#define     INTR_STATUS2__PROGRAM_FAIL			0x0010
+#define     INTR_STATUS2__ERASE_FAIL			0x0020
+#define     INTR_STATUS2__LOAD_COMP			0x0040
+#define     INTR_STATUS2__PROGRAM_COMP			0x0080
+#define     INTR_STATUS2__ERASE_COMP			0x0100
+#define     INTR_STATUS2__PIPE_CPYBCK_CMD_COMP		0x0200
+#define     INTR_STATUS2__LOCKED_BLK			0x0400
+#define     INTR_STATUS2__UNSUP_CMD			0x0800
+#define     INTR_STATUS2__INT_ACT			0x1000
+#define     INTR_STATUS2__RST_COMP			0x2000
+#define     INTR_STATUS2__PIPE_CMD_ERR			0x4000
+#define     INTR_STATUS2__PAGE_XFER_INC			0x8000
+
+#define INTR_EN2					0x4c0
+#define     INTR_EN2__ECC_TRANSACTION_DONE		0x0001
+#define     INTR_EN2__ECC_ERR				0x0002
+#define     INTR_EN2__DMA_CMD_COMP			0x0004
+#define     INTR_EN2__TIME_OUT				0x0008
+#define     INTR_EN2__PROGRAM_FAIL			0x0010
+#define     INTR_EN2__ERASE_FAIL				0x0020
+#define     INTR_EN2__LOAD_COMP				0x0040
+#define     INTR_EN2__PROGRAM_COMP			0x0080
+#define     INTR_EN2__ERASE_COMP				0x0100
+#define     INTR_EN2__PIPE_CPYBCK_CMD_COMP		0x0200
+#define     INTR_EN2__LOCKED_BLK				0x0400
+#define     INTR_EN2__UNSUP_CMD				0x0800
+#define     INTR_EN2__INT_ACT				0x1000
+#define     INTR_EN2__RST_COMP				0x2000
+#define     INTR_EN2__PIPE_CMD_ERR			0x4000
+#define     INTR_EN2__PAGE_XFER_INC			0x8000
+
+#define PAGE_CNT2				0x4d0
+#define     PAGE_CNT2__VALUE				0x00ff
+
+#define ERR_PAGE_ADDR2				0x4e0
+#define     ERR_PAGE_ADDR2__VALUE			0xffff
+
+#define ERR_BLOCK_ADDR2			0x4f0
+#define     ERR_BLOCK_ADDR2__VALUE			0xffff
+
+#define INTR_STATUS3				0x500
+#define     INTR_STATUS3__ECC_TRANSACTION_DONE		0x0001
+#define     INTR_STATUS3__ECC_ERR			0x0002
+#define     INTR_STATUS3__DMA_CMD_COMP			0x0004
+#define     INTR_STATUS3__TIME_OUT			0x0008
+#define     INTR_STATUS3__PROGRAM_FAIL			0x0010
+#define     INTR_STATUS3__ERASE_FAIL			0x0020
+#define     INTR_STATUS3__LOAD_COMP			0x0040
+#define     INTR_STATUS3__PROGRAM_COMP			0x0080
+#define     INTR_STATUS3__ERASE_COMP			0x0100
+#define     INTR_STATUS3__PIPE_CPYBCK_CMD_COMP		0x0200
+#define     INTR_STATUS3__LOCKED_BLK			0x0400
+#define     INTR_STATUS3__UNSUP_CMD			0x0800
+#define     INTR_STATUS3__INT_ACT			0x1000
+#define     INTR_STATUS3__RST_COMP			0x2000
+#define     INTR_STATUS3__PIPE_CMD_ERR			0x4000
+#define     INTR_STATUS3__PAGE_XFER_INC			0x8000
+
+#define INTR_EN3					0x510
+#define     INTR_EN3__ECC_TRANSACTION_DONE		0x0001
+#define     INTR_EN3__ECC_ERR				0x0002
+#define     INTR_EN3__DMA_CMD_COMP			0x0004
+#define     INTR_EN3__TIME_OUT				0x0008
+#define     INTR_EN3__PROGRAM_FAIL			0x0010
+#define     INTR_EN3__ERASE_FAIL				0x0020
+#define     INTR_EN3__LOAD_COMP				0x0040
+#define     INTR_EN3__PROGRAM_COMP			0x0080
+#define     INTR_EN3__ERASE_COMP				0x0100
+#define     INTR_EN3__PIPE_CPYBCK_CMD_COMP		0x0200
+#define     INTR_EN3__LOCKED_BLK				0x0400
+#define     INTR_EN3__UNSUP_CMD				0x0800
+#define     INTR_EN3__INT_ACT				0x1000
+#define     INTR_EN3__RST_COMP				0x2000
+#define     INTR_EN3__PIPE_CMD_ERR			0x4000
+#define     INTR_EN3__PAGE_XFER_INC			0x8000
+
+#define PAGE_CNT3				0x520
+#define     PAGE_CNT3__VALUE				0x00ff
+
+#define ERR_PAGE_ADDR3				0x530
+#define     ERR_PAGE_ADDR3__VALUE			0xffff
+
+#define ERR_BLOCK_ADDR3			0x540
+#define     ERR_BLOCK_ADDR3__VALUE			0xffff
+
+#define DATA_INTR				0x550
+#define     DATA_INTR__WRITE_SPACE_AV			0x0001
+#define     DATA_INTR__READ_DATA_AV			0x0002
+
+#define DATA_INTR_EN				0x560
+#define     DATA_INTR_EN__WRITE_SPACE_AV		0x0001
+#define     DATA_INTR_EN__READ_DATA_AV			0x0002
+
+#define GPREG_0					0x570
+#define     GPREG_0__VALUE				0xffff
+
+#define GPREG_1					0x580
+#define     GPREG_1__VALUE				0xffff
+
+#define GPREG_2					0x590
+#define     GPREG_2__VALUE				0xffff
+
+#define GPREG_3					0x5a0
+#define     GPREG_3__VALUE				0xffff
+
+#define ECC_THRESHOLD				0x600
+#define     ECC_THRESHOLD__VALUE				0x03ff
+
+#define ECC_ERROR_BLOCK_ADDRESS		0x610
+#define     ECC_ERROR_BLOCK_ADDRESS__VALUE		0xffff
+
+#define ECC_ERROR_PAGE_ADDRESS			0x620
+#define     ECC_ERROR_PAGE_ADDRESS__VALUE		0x0fff
+#define     ECC_ERROR_PAGE_ADDRESS__BANK		0xf000
+
+#define ECC_ERROR_ADDRESS			0x630
+#define     ECC_ERROR_ADDRESS__OFFSET			0x0fff
+#define     ECC_ERROR_ADDRESS__SECTOR_NR		0xf000
+
+#define ERR_CORRECTION_INFO			0x640
+#define     ERR_CORRECTION_INFO__BYTEMASK		0x00ff
+#define     ERR_CORRECTION_INFO__DEVICE_NR		0x0f00
+#define     ERR_CORRECTION_INFO__ERROR_TYPE		0x4000
+#define     ERR_CORRECTION_INFO__LAST_ERR_INFO		0x8000
+
+#define DMA_ENABLE				0x700
+#define     DMA_ENABLE__FLAG				0x0001
+
+#define IGNORE_ECC_DONE				0x710
+#define     IGNORE_ECC_DONE__FLAG			0x0001
+
+#define DMA_INTR				0x720
+#define     DMA_INTR__TARGET_ERROR			0x0001
+#define     DMA_INTR__DESC_COMP_CHANNEL0		0x0002
+#define     DMA_INTR__DESC_COMP_CHANNEL1		0x0004
+#define     DMA_INTR__DESC_COMP_CHANNEL2		0x0008
+#define     DMA_INTR__DESC_COMP_CHANNEL3		0x0010
+#define     DMA_INTR__MEMCOPY_DESC_COMP		0x0020
+
+#define DMA_INTR_EN				0x730
+#define     DMA_INTR_EN__TARGET_ERROR			0x0001
+#define     DMA_INTR_EN__DESC_COMP_CHANNEL0		0x0002
+#define     DMA_INTR_EN__DESC_COMP_CHANNEL1		0x0004
+#define     DMA_INTR_EN__DESC_COMP_CHANNEL2		0x0008
+#define     DMA_INTR_EN__DESC_COMP_CHANNEL3		0x0010
+#define     DMA_INTR_EN__MEMCOPY_DESC_COMP		0x0020
+
+#define TARGET_ERR_ADDR_LO			0x740
+#define     TARGET_ERR_ADDR_LO__VALUE			0xffff
+
+#define TARGET_ERR_ADDR_HI			0x750
+#define     TARGET_ERR_ADDR_HI__VALUE			0xffff
+
+#define CHNL_ACTIVE				0x760
+#define     CHNL_ACTIVE__CHANNEL0			0x0001
+#define     CHNL_ACTIVE__CHANNEL1			0x0002
+#define     CHNL_ACTIVE__CHANNEL2			0x0004
+#define     CHNL_ACTIVE__CHANNEL3			0x0008
+
+#define ACTIVE_SRC_ID				0x800
+#define     ACTIVE_SRC_ID__VALUE				0x00ff
+
+#define PTN_INTR					0x810
+#define     PTN_INTR__CONFIG_ERROR			0x0001
+#define     PTN_INTR__ACCESS_ERROR_BANK0		0x0002
+#define     PTN_INTR__ACCESS_ERROR_BANK1		0x0004
+#define     PTN_INTR__ACCESS_ERROR_BANK2		0x0008
+#define     PTN_INTR__ACCESS_ERROR_BANK3		0x0010
+#define     PTN_INTR__REG_ACCESS_ERROR			0x0020
+
+#define PTN_INTR_EN				0x820
+#define     PTN_INTR_EN__CONFIG_ERROR			0x0001
+#define     PTN_INTR_EN__ACCESS_ERROR_BANK0		0x0002
+#define     PTN_INTR_EN__ACCESS_ERROR_BANK1		0x0004
+#define     PTN_INTR_EN__ACCESS_ERROR_BANK2		0x0008
+#define     PTN_INTR_EN__ACCESS_ERROR_BANK3		0x0010
+#define     PTN_INTR_EN__REG_ACCESS_ERROR		0x0020
+
+#define PERM_SRC_ID_0				0x830
+#define     PERM_SRC_ID_0__SRCID				0x00ff
+#define     PERM_SRC_ID_0__DIRECT_ACCESS_ACTIVE		0x0800
+#define     PERM_SRC_ID_0__WRITE_ACTIVE			0x2000
+#define     PERM_SRC_ID_0__READ_ACTIVE			0x4000
+#define     PERM_SRC_ID_0__PARTITION_VALID		0x8000
+
+#define MIN_BLK_ADDR_0				0x840
+#define     MIN_BLK_ADDR_0__VALUE			0xffff
+
+#define MAX_BLK_ADDR_0				0x850
+#define     MAX_BLK_ADDR_0__VALUE			0xffff
+
+#define MIN_MAX_BANK_0				0x860
+#define     MIN_MAX_BANK_0__MIN_VALUE			0x0003
+#define     MIN_MAX_BANK_0__MAX_VALUE			0x000c
+
+#define PERM_SRC_ID_1				0x870
+#define     PERM_SRC_ID_1__SRCID				0x00ff
+#define     PERM_SRC_ID_1__DIRECT_ACCESS_ACTIVE		0x0800
+#define     PERM_SRC_ID_1__WRITE_ACTIVE			0x2000
+#define     PERM_SRC_ID_1__READ_ACTIVE			0x4000
+#define     PERM_SRC_ID_1__PARTITION_VALID		0x8000
+
+#define MIN_BLK_ADDR_1				0x880
+#define     MIN_BLK_ADDR_1__VALUE			0xffff
+
+#define MAX_BLK_ADDR_1				0x890
+#define     MAX_BLK_ADDR_1__VALUE			0xffff
+
+#define MIN_MAX_BANK_1				0x8a0
+#define     MIN_MAX_BANK_1__MIN_VALUE			0x0003
+#define     MIN_MAX_BANK_1__MAX_VALUE			0x000c
+
+#define PERM_SRC_ID_2				0x8b0
+#define     PERM_SRC_ID_2__SRCID				0x00ff
+#define     PERM_SRC_ID_2__DIRECT_ACCESS_ACTIVE		0x0800
+#define     PERM_SRC_ID_2__WRITE_ACTIVE			0x2000
+#define     PERM_SRC_ID_2__READ_ACTIVE			0x4000
+#define     PERM_SRC_ID_2__PARTITION_VALID		0x8000
+
+#define MIN_BLK_ADDR_2				0x8c0
+#define     MIN_BLK_ADDR_2__VALUE			0xffff
+
+#define MAX_BLK_ADDR_2				0x8d0
+#define     MAX_BLK_ADDR_2__VALUE			0xffff
+
+#define MIN_MAX_BANK_2				0x8e0
+#define     MIN_MAX_BANK_2__MIN_VALUE			0x0003
+#define     MIN_MAX_BANK_2__MAX_VALUE			0x000c
+
+#define PERM_SRC_ID_3				0x8f0
+#define     PERM_SRC_ID_3__SRCID				0x00ff
+#define     PERM_SRC_ID_3__DIRECT_ACCESS_ACTIVE		0x0800
+#define     PERM_SRC_ID_3__WRITE_ACTIVE			0x2000
+#define     PERM_SRC_ID_3__READ_ACTIVE			0x4000
+#define     PERM_SRC_ID_3__PARTITION_VALID		0x8000
+
+#define MIN_BLK_ADDR_3				0x900
+#define     MIN_BLK_ADDR_3__VALUE			0xffff
+
+#define MAX_BLK_ADDR_3				0x910
+#define     MAX_BLK_ADDR_3__VALUE			0xffff
+
+#define MIN_MAX_BANK_3				0x920
+#define     MIN_MAX_BANK_3__MIN_VALUE			0x0003
+#define     MIN_MAX_BANK_3__MAX_VALUE			0x000c
+
+#define PERM_SRC_ID_4				0x930
+#define     PERM_SRC_ID_4__SRCID				0x00ff
+#define     PERM_SRC_ID_4__DIRECT_ACCESS_ACTIVE		0x0800
+#define     PERM_SRC_ID_4__WRITE_ACTIVE			0x2000
+#define     PERM_SRC_ID_4__READ_ACTIVE			0x4000
+#define     PERM_SRC_ID_4__PARTITION_VALID		0x8000
+
+#define MIN_BLK_ADDR_4				0x940
+#define     MIN_BLK_ADDR_4__VALUE			0xffff
+
+#define MAX_BLK_ADDR_4				0x950
+#define     MAX_BLK_ADDR_4__VALUE			0xffff
+
+#define MIN_MAX_BANK_4				0x960
+#define     MIN_MAX_BANK_4__MIN_VALUE			0x0003
+#define     MIN_MAX_BANK_4__MAX_VALUE			0x000c
+
+#define PERM_SRC_ID_5				0x970
+#define     PERM_SRC_ID_5__SRCID				0x00ff
+#define     PERM_SRC_ID_5__DIRECT_ACCESS_ACTIVE		0x0800
+#define     PERM_SRC_ID_5__WRITE_ACTIVE			0x2000
+#define     PERM_SRC_ID_5__READ_ACTIVE			0x4000
+#define     PERM_SRC_ID_5__PARTITION_VALID		0x8000
+
+#define MIN_BLK_ADDR_5				0x980
+#define     MIN_BLK_ADDR_5__VALUE			0xffff
+
+#define MAX_BLK_ADDR_5				0x990
+#define     MAX_BLK_ADDR_5__VALUE			0xffff
+
+#define MIN_MAX_BANK_5				0x9a0
+#define     MIN_MAX_BANK_5__MIN_VALUE			0x0003
+#define     MIN_MAX_BANK_5__MAX_VALUE			0x000c
+
+#define PERM_SRC_ID_6				0x9b0
+#define     PERM_SRC_ID_6__SRCID				0x00ff
+#define     PERM_SRC_ID_6__DIRECT_ACCESS_ACTIVE		0x0800
+#define     PERM_SRC_ID_6__WRITE_ACTIVE			0x2000
+#define     PERM_SRC_ID_6__READ_ACTIVE			0x4000
+#define     PERM_SRC_ID_6__PARTITION_VALID		0x8000
+
+#define MIN_BLK_ADDR_6				0x9c0
+#define     MIN_BLK_ADDR_6__VALUE			0xffff
+
+#define MAX_BLK_ADDR_6				0x9d0
+#define     MAX_BLK_ADDR_6__VALUE			0xffff
+
+#define MIN_MAX_BANK_6				0x9e0
+#define     MIN_MAX_BANK_6__MIN_VALUE			0x0003
+#define     MIN_MAX_BANK_6__MAX_VALUE			0x000c
+
+#define PERM_SRC_ID_7				0x9f0
+#define     PERM_SRC_ID_7__SRCID				0x00ff
+#define     PERM_SRC_ID_7__DIRECT_ACCESS_ACTIVE		0x0800
+#define     PERM_SRC_ID_7__WRITE_ACTIVE			0x2000
+#define     PERM_SRC_ID_7__READ_ACTIVE			0x4000
+#define     PERM_SRC_ID_7__PARTITION_VALID		0x8000
+
+#define MIN_BLK_ADDR_7				0xa00
+#define     MIN_BLK_ADDR_7__VALUE			0xffff
+
+#define MAX_BLK_ADDR_7				0xa10
+#define     MAX_BLK_ADDR_7__VALUE			0xffff
+
+#define MIN_MAX_BANK_7				0xa20
+#define     MIN_MAX_BANK_7__MIN_VALUE			0x0003
+#define     MIN_MAX_BANK_7__MAX_VALUE			0x000c
+
+/* flash.h */
+struct device_info_tag {
+        uint16_t wDeviceMaker;
+        uint16_t wDeviceID;
+	uint8_t  bDeviceParam0;
+	uint8_t  bDeviceParam1;
+	uint8_t  bDeviceParam2;
+        uint32_t wDeviceType;
+        uint32_t wSpectraStartBlock;
+        uint32_t wSpectraEndBlock;
+        uint32_t wTotalBlocks;
+        uint16_t wPagesPerBlock;
+        uint16_t wPageSize;
+        uint16_t wPageDataSize;
+        uint16_t wPageSpareSize;
+        uint16_t wNumPageSpareFlag;
+        uint16_t wECCBytesPerSector;
+        uint32_t wBlockSize;
+        uint32_t wBlockDataSize;
+        uint32_t wDataBlockNum;
+        uint8_t bPlaneNum;
+        uint16_t wDeviceMainAreaSize;
+        uint16_t wDeviceSpareAreaSize;
+        uint16_t wDevicesConnected;
+        uint16_t wDeviceWidth;
+        uint16_t wHWRevision;
+        uint16_t wHWFeatures;
+
+        uint16_t wONFIDevFeatures;
+        uint16_t wONFIOptCommands;
+        uint16_t wONFITimingMode;
+        uint16_t wONFIPgmCacheTimingMode;
+
+        uint16_t MLCDevice;
+        uint16_t wSpareSkipBytes;
+
+        uint8_t nBitsInPageNumber;
+        uint8_t nBitsInPageDataSize;
+        uint8_t nBitsInBlockDataSize;
+};
+
+/* ffsdefs.h */
+#define CLEAR 0                 /*use this to clear a field instead of "fail"*/
+#define SET   1                 /*use this to set a field instead of "pass"*/
+#define FAIL 1                  /*failed flag*/
+#define PASS 0                  /*success flag*/
+#define ERR -1                  /*error flag*/
+
+/* lld.h */
+#define GOOD_BLOCK 0
+#define DEFECTIVE_BLOCK 1
+#define READ_ERROR 2
+
+#define CLK_X  5
+#define CLK_MULTI 4
+
+/* ffsport.h */
+#define VERBOSE    1
+
+#define NAND_DBG_WARN  1
+#define NAND_DBG_DEBUG 2
+#define NAND_DBG_TRACE 3
+
+#ifdef VERBOSE
+#define nand_dbg_print(level, args...)                  \
+        do {                                            \
+                if (level <= nand_debug_level)          \
+                        printk(KERN_ALERT args);        \
+        } while (0)
+#else
+#define nand_dbg_print(level, args...)
+#endif
+
+
+/* spectraswconfig.h */
+#define CMD_DMA 0
+
+#define SPECTRA_PARTITION_ID    0
+/**** Block Table and Reserved Block Parameters *****/
+#define SPECTRA_START_BLOCK     3
+#define NUM_FREE_BLOCKS_GATE    30
+
+/* KBV - Updated to LNW scratch register address */
+#define SCRATCH_REG_ADDR    CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR
+#define SCRATCH_REG_SIZE    64
+
+#define GLOB_HWCTL_DEFAULT_BLKS    2048
+
+#define SUPPORT_15BITECC        1
+#define SUPPORT_8BITECC         1
+
+#define CUSTOM_CONF_PARAMS      0
+
+#define ONFI_BLOOM_TIME         1
+#define MODE5_WORKAROUND        0
+
+/* lld_nand.h */
+/*
+ * NAND Flash Controller Device Driver
+ * Copyright (c) 2009, Intel Corporation and its suppliers.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef _LLD_NAND_
+#define _LLD_NAND_
+
+#define MODE_00    0x00000000
+#define MODE_01    0x04000000
+#define MODE_10    0x08000000
+#define MODE_11    0x0C000000
+
+
+#define DATA_TRANSFER_MODE              0
+#define PROTECTION_PER_BLOCK            1
+#define LOAD_WAIT_COUNT                 2
+#define PROGRAM_WAIT_COUNT              3
+#define ERASE_WAIT_COUNT                4
+#define INT_MONITOR_CYCLE_COUNT         5
+#define READ_BUSY_PIN_ENABLED           6
+#define MULTIPLANE_OPERATION_SUPPORT    7
+#define PRE_FETCH_MODE                  8
+#define CE_DONT_CARE_SUPPORT            9
+#define COPYBACK_SUPPORT                10
+#define CACHE_WRITE_SUPPORT             11
+#define CACHE_READ_SUPPORT              12
+#define NUM_PAGES_IN_BLOCK              13
+#define ECC_ENABLE_SELECT               14
+#define WRITE_ENABLE_2_READ_ENABLE      15
+#define ADDRESS_2_DATA                  16
+#define READ_ENABLE_2_WRITE_ENABLE      17
+#define TWO_ROW_ADDRESS_CYCLES          18
+#define MULTIPLANE_ADDRESS_RESTRICT     19
+#define ACC_CLOCKS                      20
+#define READ_WRITE_ENABLE_LOW_COUNT     21
+#define READ_WRITE_ENABLE_HIGH_COUNT    22
+
+#define ECC_SECTOR_SIZE     512
+#define LLD_MAX_FLASH_BANKS     4
+
+#define DENALI_BUF_SIZE		NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE
+
+struct nand_buf
+{
+	int head;
+	int tail;
+	uint8_t buf[DENALI_BUF_SIZE];
+	dma_addr_t dma_buf;
+};
+
+#define INTEL_CE4100	1
+#define INTEL_MRST	2
+
+struct denali_nand_info {
+	struct mtd_info mtd;
+	struct nand_chip nand;
+	struct device_info_tag dev_info;
+	int flash_bank; /* currently selected chip */
+	int status;
+	int platform;
+	struct nand_buf buf;
+	struct pci_dev *dev;
+	int total_used_banks;
+	uint32_t block;  /* stored for future use */
+	uint16_t page;
+	void __iomem *flash_reg;  /* Mapped io reg base address */
+	void __iomem *flash_mem;  /* Mapped io reg base address */
+
+	/* elements used by ISR */
+	struct completion complete;
+	spinlock_t irq_lock;
+	uint32_t irq_status;
+	int irq_debug_array[32];
+	int idx;
+};
+
+static uint16_t  NAND_Flash_Reset(struct denali_nand_info *denali);
+static uint16_t  NAND_Read_Device_ID(struct denali_nand_info *denali);
+static void NAND_LLD_Enable_Disable_Interrupts(struct denali_nand_info *denali, uint16_t INT_ENABLE);
+
+#endif /*_LLD_NAND_*/
+

From aadff49c56f921d18cc280cbf087a550c67bbd02 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Thu, 13 May 2010 16:12:43 +0100
Subject: [PATCH 1377/3638] mtd/nand: Fix denali build on ppc64
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

drivers/mtd/nand/denali.c:1427: error: conflicting types for ‘enable_dma’
arch/powerpc/include/asm/dma.h:189: note: previous definition of ‘enable_dma’ was here

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/denali.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 8a6ce0dd953..ca03428b59c 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1424,7 +1424,7 @@ static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
 }
 
 /* programs the controller to either enable/disable DMA transfers */
-static void enable_dma(struct denali_nand_info *denali, bool en)
+static void denali_enable_dma(struct denali_nand_info *denali, bool en)
 {
 	uint32_t reg_val = 0x0;
 
@@ -1435,7 +1435,7 @@ static void enable_dma(struct denali_nand_info *denali, bool en)
 }
 
 /* setups the HW to perform the data DMA */
-static void setup_dma(struct denali_nand_info *denali, int op)
+static void denali_setup_dma(struct denali_nand_info *denali, int op)
 {
 	uint32_t mode = 0x0;
 	const int page_count = 1;
@@ -1494,9 +1494,9 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
 	pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_TODEVICE);
 
 	clear_interrupts(denali);
-	enable_dma(denali, true);	
+	denali_enable_dma(denali, true);	
 
-	setup_dma(denali, DENALI_WRITE);
+	denali_setup_dma(denali, DENALI_WRITE);
 
 	/* wait for operation to complete */
 	irq_status = wait_for_irq(denali, irq_mask);
@@ -1509,7 +1509,7 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
 						   	     PASS;
 	}
 
-	enable_dma(denali, false);	
+	denali_enable_dma(denali, false);	
 	pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_TODEVICE);
 }
 
@@ -1569,11 +1569,11 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
 
 	setup_ecc_for_xfer(denali, true, false);
 
-	enable_dma(denali, true);
+	denali_enable_dma(denali, true);
 	pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
 
 	clear_interrupts(denali);
-	setup_dma(denali, DENALI_READ);
+	denali_setup_dma(denali, DENALI_READ);
 
 	/* wait for operation to complete */
 	irq_status = wait_for_irq(denali, irq_mask);
@@ -1583,7 +1583,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
 	memcpy(buf, denali->buf.buf, mtd->writesize);
 	
 	check_erased_page = handle_ecc(denali, buf, chip->oob_poi, irq_status);
-	enable_dma(denali, false);
+	denali_enable_dma(denali, false);
 
 	if (check_erased_page)
 	{
@@ -1618,19 +1618,19 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
 	uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP;
 						
 	setup_ecc_for_xfer(denali, false, true);
-	enable_dma(denali, true);
+	denali_enable_dma(denali, true);
 
 	pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
 
 	clear_interrupts(denali);
-	setup_dma(denali, DENALI_READ);
+	denali_setup_dma(denali, DENALI_READ);
 
 	/* wait for operation to complete */
 	irq_status = wait_for_irq(denali, irq_mask);
 
 	pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
 
-	enable_dma(denali, false);
+	denali_enable_dma(denali, false);
 
 	memcpy(buf, denali->buf.buf, mtd->writesize);
 	memcpy(chip->oob_poi, denali->buf.buf + mtd->writesize, mtd->oobsize);

From ecce2a6f9bdc7635838baeff8a09a76c9a70e7e0 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 13 May 2010 22:07:46 +0200
Subject: [PATCH 1378/3638] drivers/mtd/nand: Use kzalloc

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/s3c2410.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index dc02dcd0c08..239aadfd01b 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -929,14 +929,13 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
 
 	pr_debug("s3c2410_nand_probe(%p)\n", pdev);
 
-	info = kmalloc(sizeof(*info), GFP_KERNEL);
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (info == NULL) {
 		dev_err(&pdev->dev, "no memory for flash info\n");
 		err = -ENOMEM;
 		goto exit_error;
 	}
 
-	memset(info, 0, sizeof(*info));
 	platform_set_drvdata(pdev, info);
 
 	spin_lock_init(&info->controller.lock);
@@ -994,15 +993,13 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
 	/* allocate our information */
 
 	size = nr_sets * sizeof(*info->mtds);
-	info->mtds = kmalloc(size, GFP_KERNEL);
+	info->mtds = kzalloc(size, GFP_KERNEL);
 	if (info->mtds == NULL) {
 		dev_err(&pdev->dev, "failed to allocate mtd storage\n");
 		err = -ENOMEM;
 		goto exit_error;
 	}
 
-	memset(info->mtds, 0, size);
-
 	/* initialise all possible chips */
 
 	nmtd = info->mtds;

From 2bfefa4c9632fb09bfe3277cf7b690818b147654 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 13 May 2010 22:03:15 +0200
Subject: [PATCH 1379/3638] drivers/mtd: Use kzalloc

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/lpddr/qinfo_probe.c     | 7 ++-----
 drivers/mtd/maps/ixp2000.c          | 3 +--
 drivers/mtd/maps/ixp4xx.c           | 3 +--
 drivers/mtd/maps/pxa2xx-flash.c     | 3 +--
 drivers/mtd/tests/mtd_pagetest.c    | 3 +--
 drivers/mtd/tests/mtd_readtest.c    | 3 +--
 drivers/mtd/tests/mtd_speedtest.c   | 3 +--
 drivers/mtd/tests/mtd_stresstest.c  | 3 +--
 drivers/mtd/tests/mtd_subpagetest.c | 3 +--
 9 files changed, 10 insertions(+), 21 deletions(-)

diff --git a/drivers/mtd/lpddr/qinfo_probe.c b/drivers/mtd/lpddr/qinfo_probe.c
index 79bf40f48b7..dbfe17baf04 100644
--- a/drivers/mtd/lpddr/qinfo_probe.c
+++ b/drivers/mtd/lpddr/qinfo_probe.c
@@ -134,13 +134,12 @@ out:
 static int lpddr_chip_setup(struct map_info *map, struct lpddr_private *lpddr)
 {
 
-	lpddr->qinfo = kmalloc(sizeof(struct qinfo_chip), GFP_KERNEL);
+	lpddr->qinfo = kzalloc(sizeof(struct qinfo_chip), GFP_KERNEL);
 	if (!lpddr->qinfo) {
 		printk(KERN_WARNING "%s: no memory for LPDDR qinfo structure\n",
 				map->name);
 		return 0;
 	}
-	memset(lpddr->qinfo, 0, sizeof(struct qinfo_chip));
 
 	/* Get the ManuID */
 	lpddr->ManufactId = CMDVAL(map_read(map, map->pfow_base + PFOW_MANUFACTURER_ID));
@@ -185,13 +184,11 @@ static struct lpddr_private *lpddr_probe_chip(struct map_info *map)
 	lpddr.numchips = 1;
 
 	numvirtchips = lpddr.numchips * lpddr.qinfo->HWPartsNum;
-	retlpddr = kmalloc(sizeof(struct lpddr_private) +
+	retlpddr = kzalloc(sizeof(struct lpddr_private) +
 			numvirtchips * sizeof(struct flchip), GFP_KERNEL);
 	if (!retlpddr)
 		return NULL;
 
-	memset(retlpddr, 0, sizeof(struct lpddr_private) +
-				numvirtchips * sizeof(struct flchip));
 	memcpy(retlpddr, &lpddr, sizeof(struct lpddr_private));
 
 	retlpddr->numchips = numvirtchips;
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index 1bdf0ee6d0b..9639d83a9d6 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -165,12 +165,11 @@ static int ixp2000_flash_probe(struct platform_device *dev)
 		return -EIO;
 	}
 
-	info = kmalloc(sizeof(struct ixp2000_flash_info), GFP_KERNEL);
+	info = kzalloc(sizeof(struct ixp2000_flash_info), GFP_KERNEL);
 	if(!info) {
 		err = -ENOMEM;
 		goto Error;
 	}
-	memset(info, 0, sizeof(struct ixp2000_flash_info));
 
 	platform_set_drvdata(dev, info);
 
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 7513d90fee6..e0a5e0426ea 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -196,12 +196,11 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
 			return err;
 	}
 
-	info = kmalloc(sizeof(struct ixp4xx_flash_info), GFP_KERNEL);
+	info = kzalloc(sizeof(struct ixp4xx_flash_info), GFP_KERNEL);
 	if(!info) {
 		err = -ENOMEM;
 		goto Error;
 	}
-	memset(info, 0, sizeof(struct ixp4xx_flash_info));
 
 	platform_set_drvdata(dev, info);
 
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 91dc6331053..dd90880048c 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -63,11 +63,10 @@ static int __init pxa2xx_flash_probe(struct platform_device *pdev)
 	if (!res)
 		return -ENODEV;
 
-	info = kmalloc(sizeof(struct pxa2xx_flash_info), GFP_KERNEL);
+	info = kzalloc(sizeof(struct pxa2xx_flash_info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
-	memset(info, 0, sizeof(struct pxa2xx_flash_info));
 	info->map.name = (char *) flash->name;
 	info->map.bankwidth = flash->width;
 	info->map.phys = res->start;
diff --git a/drivers/mtd/tests/mtd_pagetest.c b/drivers/mtd/tests/mtd_pagetest.c
index 921a85df919..6bc1b8276c6 100644
--- a/drivers/mtd/tests/mtd_pagetest.c
+++ b/drivers/mtd/tests/mtd_pagetest.c
@@ -480,12 +480,11 @@ static int scan_for_bad_eraseblocks(void)
 {
 	int i, bad = 0;
 
-	bbt = kmalloc(ebcnt, GFP_KERNEL);
+	bbt = kzalloc(ebcnt, GFP_KERNEL);
 	if (!bbt) {
 		printk(PRINT_PREF "error: cannot allocate memory\n");
 		return -ENOMEM;
 	}
-	memset(bbt, 0 , ebcnt);
 
 	printk(PRINT_PREF "scanning for bad eraseblocks\n");
 	for (i = 0; i < ebcnt; ++i) {
diff --git a/drivers/mtd/tests/mtd_readtest.c b/drivers/mtd/tests/mtd_readtest.c
index 7107fccbc7d..afe71aa15c4 100644
--- a/drivers/mtd/tests/mtd_readtest.c
+++ b/drivers/mtd/tests/mtd_readtest.c
@@ -141,12 +141,11 @@ static int scan_for_bad_eraseblocks(void)
 {
 	int i, bad = 0;
 
-	bbt = kmalloc(ebcnt, GFP_KERNEL);
+	bbt = kzalloc(ebcnt, GFP_KERNEL);
 	if (!bbt) {
 		printk(PRINT_PREF "error: cannot allocate memory\n");
 		return -ENOMEM;
 	}
-	memset(bbt, 0 , ebcnt);
 
 	/* NOR flash does not implement block_isbad */
 	if (mtd->block_isbad == NULL)
diff --git a/drivers/mtd/tests/mtd_speedtest.c b/drivers/mtd/tests/mtd_speedtest.c
index 56ca62bb96b..161feeb7b8b 100644
--- a/drivers/mtd/tests/mtd_speedtest.c
+++ b/drivers/mtd/tests/mtd_speedtest.c
@@ -295,12 +295,11 @@ static int scan_for_bad_eraseblocks(void)
 {
 	int i, bad = 0;
 
-	bbt = kmalloc(ebcnt, GFP_KERNEL);
+	bbt = kzalloc(ebcnt, GFP_KERNEL);
 	if (!bbt) {
 		printk(PRINT_PREF "error: cannot allocate memory\n");
 		return -ENOMEM;
 	}
-	memset(bbt, 0 , ebcnt);
 
 	/* NOR flash does not implement block_isbad */
 	if (mtd->block_isbad == NULL)
diff --git a/drivers/mtd/tests/mtd_stresstest.c b/drivers/mtd/tests/mtd_stresstest.c
index 3854afec56d..531625fc925 100644
--- a/drivers/mtd/tests/mtd_stresstest.c
+++ b/drivers/mtd/tests/mtd_stresstest.c
@@ -221,12 +221,11 @@ static int scan_for_bad_eraseblocks(void)
 {
 	int i, bad = 0;
 
-	bbt = kmalloc(ebcnt, GFP_KERNEL);
+	bbt = kzalloc(ebcnt, GFP_KERNEL);
 	if (!bbt) {
 		printk(PRINT_PREF "error: cannot allocate memory\n");
 		return -ENOMEM;
 	}
-	memset(bbt, 0 , ebcnt);
 
 	/* NOR flash does not implement block_isbad */
 	if (mtd->block_isbad == NULL)
diff --git a/drivers/mtd/tests/mtd_subpagetest.c b/drivers/mtd/tests/mtd_subpagetest.c
index 700237a3d12..11204e8aab5 100644
--- a/drivers/mtd/tests/mtd_subpagetest.c
+++ b/drivers/mtd/tests/mtd_subpagetest.c
@@ -354,12 +354,11 @@ static int scan_for_bad_eraseblocks(void)
 {
 	int i, bad = 0;
 
-	bbt = kmalloc(ebcnt, GFP_KERNEL);
+	bbt = kzalloc(ebcnt, GFP_KERNEL);
 	if (!bbt) {
 		printk(PRINT_PREF "error: cannot allocate memory\n");
 		return -ENOMEM;
 	}
-	memset(bbt, 0 , ebcnt);
 
 	printk(PRINT_PREF "scanning for bad eraseblocks\n");
 	for (i = 0; i < ebcnt; ++i) {

From 9d5da3a9b849cf42fc165e90b1d39e2fd1e199a8 Mon Sep 17 00:00:00 2001
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Date: Tue, 9 Mar 2010 12:27:56 -0700
Subject: [PATCH 1380/3638] mtd: extend physmap_of to let the device tree
 specify the parition probe

This is to support custom partitioning schemes for embedded PPC. To use
define your own mtd_part_parser and then add something like:
   linux,part-probe = "my_probe", "cmdlinepart";
To the board's dts file.

If linux,part-probe is not specified then this behaves the same as before.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/physmap_of.c | 53 +++++++++++++++++++++++++++++++----
 1 file changed, 48 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index bbdd2194190..36dbcee1ac2 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -173,12 +173,53 @@ static struct mtd_info * __devinit obsolete_probe(struct of_device *dev,
 	}
 }
 
+#ifdef CONFIG_MTD_PARTITIONS
+/* When partitions are set we look for a linux,part-probe property which
+   specifies the list of partition probers to use. If none is given then the
+   default is use. These take precedence over other device tree
+   information. */
+static const char *part_probe_types_def[] = { "cmdlinepart", "RedBoot", NULL };
+static const char ** __devinit of_get_probes(struct device_node *dp)
+{
+	const char *cp;
+	int cplen;
+	unsigned int l;
+	unsigned int count;
+	const char **res;
+
+	cp = of_get_property(dp, "linux,part-probe", &cplen);
+	if (cp == NULL)
+		return part_probe_types_def;
+
+	count = 0;
+	for (l = 0; l != cplen; l++)
+		if (cp[l] == 0)
+			count++;
+
+	res = kzalloc((count + 1)*sizeof(*res), GFP_KERNEL);
+	count = 0;
+	while (cplen > 0) {
+		res[count] = cp;
+		l = strlen(cp) + 1;
+		cp += l;
+		cplen -= l;
+		count++;
+	}
+	return res;
+}
+
+static void __devinit of_free_probes(const char **probes)
+{
+	if (probes != part_probe_types_def)
+		kfree(probes);
+}
+#endif
+
 static int __devinit of_flash_probe(struct of_device *dev,
 				    const struct of_device_id *match)
 {
 #ifdef CONFIG_MTD_PARTITIONS
-	static const char *part_probe_types[]
-		= { "cmdlinepart", "RedBoot", NULL };
+	const char **part_probe_types;
 #endif
 	struct device_node *dp = dev->node;
 	struct resource res;
@@ -307,12 +348,14 @@ static int __devinit of_flash_probe(struct of_device *dev,
 		goto err_out;
 
 #ifdef CONFIG_MTD_PARTITIONS
-	/* First look for RedBoot table or partitions on the command
-	 * line, these take precedence over device tree information */
+	part_probe_types = of_get_probes(dp);
 	err = parse_mtd_partitions(info->cmtd, part_probe_types,
 				   &info->parts, 0);
-	if (err < 0)
+	if (err < 0) {
+		of_free_probes(part_probe_types);
 		return err;
+	}
+	of_free_probes(part_probe_types);
 
 #ifdef CONFIG_MTD_OF_PARTS
 	if (err == 0) {

From d484018056816178abffacb84b8c16628e880c83 Mon Sep 17 00:00:00 2001
From: Ivo Clarysse <ivo.clarysse@gmail.com>
Date: Thu, 8 Apr 2010 16:14:44 +0200
Subject: [PATCH 1381/3638] mtd: mxc_nand: set NFC registers after reset

This patch allows the mxc_nand driver to reset the NAND
flash controller.  NFC registers are (re-)set after
completion of the reset, as a reset will have reverted
the NFC registers to their default values.

Signed-off-by: Ivo Clarysse <ivo.clarysse@gmail.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/mxc_nand.c | 90 ++++++++++++++++++++-----------------
 1 file changed, 48 insertions(+), 42 deletions(-)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 2ba3be1f493..b527aa2d687 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -542,6 +542,41 @@ static void mxc_do_addr_cycle(struct mtd_info *mtd, int column, int page_addr)
 	}
 }
 
+static void preset(struct mtd_info *mtd)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+	uint16_t tmp;
+
+	/* disable interrupt, disable spare enable */
+	tmp = readw(host->regs + NFC_CONFIG1);
+	tmp |= NFC_INT_MSK;
+	tmp &= ~NFC_SP_EN;
+	if (nand_chip->ecc.mode == NAND_ECC_HW) {
+		tmp |= NFC_ECC_EN;
+	} else {
+		tmp &= ~NFC_ECC_EN;
+	}
+	writew(tmp, host->regs + NFC_CONFIG1);
+	/* preset operation */
+
+	/* Unlock the internal RAM Buffer */
+	writew(0x2, host->regs + NFC_CONFIG);
+
+	/* Blocks to be unlocked */
+	if (nfc_is_v21()) {
+		writew(0x0, host->regs + NFC_V21_UNLOCKSTART_BLKADDR);
+		writew(0xffff, host->regs + NFC_V21_UNLOCKEND_BLKADDR);
+	} else if (nfc_is_v1()) {
+		writew(0x0, host->regs + NFC_V1_UNLOCKSTART_BLKADDR);
+		writew(0x4000, host->regs + NFC_V1_UNLOCKEND_BLKADDR);
+	} else
+		BUG();
+
+	/* Unlock Block Command for given address range */
+	writew(0x4, host->regs + NFC_WRPROT);
+}
+
 /* Used by the upper layer to write command to NAND Flash for
  * different operations to be carried out on NAND Flash */
 static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
@@ -559,6 +594,10 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
 
 	/* Command pre-processing step */
 	switch (command) {
+	case NAND_CMD_RESET:
+		send_cmd(host, command, false);
+		preset(mtd);
+		break;
 
 	case NAND_CMD_STATUS:
 		host->buf_start = 0;
@@ -680,7 +719,6 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 	struct mxc_nand_platform_data *pdata = pdev->dev.platform_data;
 	struct mxc_nand_host *host;
 	struct resource *res;
-	uint16_t tmp;
 	int err = 0, nr_parts = 0;
 	struct nand_ecclayout *oob_smallpage, *oob_largepage;
 
@@ -744,51 +782,17 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 		host->spare_len = 64;
 		oob_smallpage = &nandv2_hw_eccoob_smallpage;
 		oob_largepage = &nandv2_hw_eccoob_largepage;
+		this->ecc.bytes = 9;
 	} else if (nfc_is_v1()) {
 		host->regs = host->base;
 		host->spare0 = host->base + 0x800;
 		host->spare_len = 16;
 		oob_smallpage = &nandv1_hw_eccoob_smallpage;
 		oob_largepage = &nandv1_hw_eccoob_largepage;
-	} else
-		BUG();
-
-	/* disable interrupt and spare enable */
-	tmp = readw(host->regs + NFC_CONFIG1);
-	tmp |= NFC_INT_MSK;
-	tmp &= ~NFC_SP_EN;
-	writew(tmp, host->regs + NFC_CONFIG1);
-
-	init_waitqueue_head(&host->irq_waitq);
-
-	host->irq = platform_get_irq(pdev, 0);
-
-	err = request_irq(host->irq, mxc_nfc_irq, 0, DRIVER_NAME, host);
-	if (err)
-		goto eirq;
-
-	/* Reset NAND */
-	this->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
-
-	/* preset operation */
-	/* Unlock the internal RAM Buffer */
-	writew(0x2, host->regs + NFC_CONFIG);
-
-	/* Blocks to be unlocked */
-	if (nfc_is_v21()) {
-		writew(0x0, host->regs + NFC_V21_UNLOCKSTART_BLKADDR);
-	        writew(0xffff, host->regs + NFC_V21_UNLOCKEND_BLKADDR);
-		this->ecc.bytes = 9;
-	} else if (nfc_is_v1()) {
-		writew(0x0, host->regs + NFC_V1_UNLOCKSTART_BLKADDR);
-	        writew(0x4000, host->regs + NFC_V1_UNLOCKEND_BLKADDR);
 		this->ecc.bytes = 3;
 	} else
 		BUG();
 
-	/* Unlock Block Command for given address range */
-	writew(0x4, host->regs + NFC_WRPROT);
-
 	this->ecc.size = 512;
 	this->ecc.layout = oob_smallpage;
 
@@ -797,14 +801,8 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 		this->ecc.hwctl = mxc_nand_enable_hwecc;
 		this->ecc.correct = mxc_nand_correct_data;
 		this->ecc.mode = NAND_ECC_HW;
-		tmp = readw(host->regs + NFC_CONFIG1);
-		tmp |= NFC_ECC_EN;
-		writew(tmp, host->regs + NFC_CONFIG1);
 	} else {
 		this->ecc.mode = NAND_ECC_SOFT;
-		tmp = readw(host->regs + NFC_CONFIG1);
-		tmp &= ~NFC_ECC_EN;
-		writew(tmp, host->regs + NFC_CONFIG1);
 	}
 
 	/* NAND bus width determines access funtions used by upper layer */
@@ -818,6 +816,14 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 		this->options |= NAND_USE_FLASH_BBT;
 	}
 
+	init_waitqueue_head(&host->irq_waitq);
+
+	host->irq = platform_get_irq(pdev, 0);
+
+	err = request_irq(host->irq, mxc_nfc_irq, 0, DRIVER_NAME, host);
+	if (err)
+		goto eirq;
+
 	/* first scan to find the device and get the page size */
 	if (nand_scan_ident(mtd, 1, NULL)) {
 		err = -ENXIO;

From a47bfd2eb66837653dc3b42541dfe4283dd41251 Mon Sep 17 00:00:00 2001
From: Ivo Clarysse <ivo.clarysse@gmail.com>
Date: Thu, 8 Apr 2010 16:16:51 +0200
Subject: [PATCH 1382/3638] mtd: mxc_nand: support i.MX21

On i.MX21 SoCs, if the NFC_CONFIG1:NFC_INT_MASK bit is set,
NFC_CONFIG2:NFC_INT always reads out zero, even if an
operation is completed.  This patch uses enable_irq and
disable_irq_nosync instead of NFC_CONFIG1:NFC_INT_MASK to
mask NFC interrupts.  This allows NFC_CONFIG2:NFC_INT to also
be used to detect operation completion on i.MX21.

The i.MX21 NFC does not signal reset completion using
NFC_CONFIG1:NFC_INT_MASK, so instead reset completion is
tested by checking if NFC_CONFIG2 becomes 0.

Signed-off-by: Ivo Clarysse <ivo.clarysse@gmail.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/mxc_nand.c | 41 ++++++++++++++++++++++---------------
 1 file changed, 25 insertions(+), 16 deletions(-)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index b527aa2d687..35da3dc4bd1 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -38,7 +38,7 @@
 #define DRIVER_NAME "mxc_nand"
 
 #define nfc_is_v21()		(cpu_is_mx25() || cpu_is_mx35())
-#define nfc_is_v1()		(cpu_is_mx31() || cpu_is_mx27())
+#define nfc_is_v1()		(cpu_is_mx31() || cpu_is_mx27() || cpu_is_mx21())
 
 /* Addresses for NFC registers */
 #define NFC_BUF_SIZE		0xE00
@@ -168,11 +168,7 @@ static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
 {
 	struct mxc_nand_host *host = dev_id;
 
-	uint16_t tmp;
-
-	tmp = readw(host->regs + NFC_CONFIG1);
-	tmp |= NFC_INT_MSK; /* Disable interrupt */
-	writew(tmp, host->regs + NFC_CONFIG1);
+	disable_irq_nosync(irq);
 
 	wake_up(&host->irq_waitq);
 
@@ -184,15 +180,13 @@ static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
  */
 static void wait_op_done(struct mxc_nand_host *host, int useirq)
 {
-	uint32_t tmp;
-	int max_retries = 2000;
+	uint16_t tmp;
+	int max_retries = 8000;
 
 	if (useirq) {
 		if ((readw(host->regs + NFC_CONFIG2) & NFC_INT) == 0) {
 
-			tmp = readw(host->regs + NFC_CONFIG1);
-			tmp  &= ~NFC_INT_MSK;	/* Enable interrupt */
-			writew(tmp, host->regs + NFC_CONFIG1);
+			enable_irq(host->irq);
 
 			wait_event(host->irq_waitq,
 				readw(host->regs + NFC_CONFIG2) & NFC_INT);
@@ -226,8 +220,23 @@ static void send_cmd(struct mxc_nand_host *host, uint16_t cmd, int useirq)
 	writew(cmd, host->regs + NFC_FLASH_CMD);
 	writew(NFC_CMD, host->regs + NFC_CONFIG2);
 
-	/* Wait for operation to complete */
-	wait_op_done(host, useirq);
+	if (cpu_is_mx21() && (cmd == NAND_CMD_RESET)) {
+		int max_retries = 100;
+		/* Reset completion is indicated by NFC_CONFIG2 */
+		/* being set to 0 */
+		while (max_retries-- > 0) {
+			if (readw(host->regs + NFC_CONFIG2) == 0) {
+				break;
+			}
+			udelay(1);
+		}
+		if (max_retries < 0)
+			DEBUG(MTD_DEBUG_LEVEL0, "%s: RESET failed\n",
+			      __func__);
+	} else {
+		/* Wait for operation to complete */
+		wait_op_done(host, useirq);
+	}
 }
 
 /* This function sends an address (or partial address) to the
@@ -548,9 +557,9 @@ static void preset(struct mtd_info *mtd)
 	struct mxc_nand_host *host = nand_chip->priv;
 	uint16_t tmp;
 
-	/* disable interrupt, disable spare enable */
+	/* enable interrupt, disable spare enable */
 	tmp = readw(host->regs + NFC_CONFIG1);
-	tmp |= NFC_INT_MSK;
+	tmp &= ~NFC_INT_MSK;
 	tmp &= ~NFC_SP_EN;
 	if (nand_chip->ecc.mode == NAND_ECC_HW) {
 		tmp |= NFC_ECC_EN;
@@ -820,7 +829,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 
 	host->irq = platform_get_irq(pdev, 0);
 
-	err = request_irq(host->irq, mxc_nfc_irq, 0, DRIVER_NAME, host);
+	err = request_irq(host->irq, mxc_nfc_irq, IRQF_DISABLED, DRIVER_NAME, host);
 	if (err)
 		goto eirq;
 

From c3611570ddf601609f8803574ea83889ff969aa0 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Mon, 19 Apr 2010 18:20:41 +0300
Subject: [PATCH 1383/3638] mtd: sm_common: split smartmedia and xD table

2GB xD card, and 4MB SmartMedia ROM card share same ID, so to make both work
split xD and smartmedia ID tables.

Hardware driver must be able to know which type it handles (and probably just one).

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/r852.c      |  2 +-
 drivers/mtd/nand/sm_common.c | 39 ++++++++++++++++++++----------------
 drivers/mtd/nand/sm_common.h |  2 +-
 3 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 96bfbd8e8fd..6dfbb471316 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -666,7 +666,7 @@ int r852_register_nand_device(struct r852_device *dev)
 
 	r852_engine_enable(dev);
 
-	if (sm_register_device(dev->mtd))
+	if (sm_register_device(dev->mtd, dev->sm))
 		goto error2;
 
 	if (device_create_file(&dev->mtd->dev, &dev_attr_media_type))
diff --git a/drivers/mtd/nand/sm_common.c b/drivers/mtd/nand/sm_common.c
index aae0b9acd7a..ac80fb362e6 100644
--- a/drivers/mtd/nand/sm_common.c
+++ b/drivers/mtd/nand/sm_common.c
@@ -68,8 +68,6 @@ static int sm_block_markbad(struct mtd_info *mtd, loff_t ofs)
 
 
 static struct nand_flash_dev nand_smartmedia_flash_ids[] = {
-
-	/* SmartMedia */
 	{"SmartMedia 1MiB 5V",          0x6e, 256, 1, 0x1000, 0},
 	{"SmartMedia 1MiB 3,3V",        0xe8, 256, 1, 0x1000, 0},
 	{"SmartMedia 1MiB 3,3V",        0xec, 256, 1, 0x1000, 0},
@@ -82,28 +80,34 @@ static struct nand_flash_dev nand_smartmedia_flash_ids[] = {
 	{"SmartMedia 4MiB 3,3V ROM",    0xd5, 512, 4, 0x2000, NAND_ROM},
 	{"SmartMedia 8MiB 3,3V",        0xe6, 512, 8, 0x2000, 0},
 	{"SmartMedia 8MiB 3,3V ROM",    0xd6, 512, 8, 0x2000, NAND_ROM},
-
-#define XD_TYPEM       (NAND_NO_AUTOINCR | NAND_BROKEN_XD)
-	/* xD / SmartMedia */
-	{"SmartMedia/xD 16MiB 3,3V",    0x73, 512, 16, 0x4000, 0},
+	{"SmartMedia 16MiB 3,3V",       0x73, 512, 16, 0x4000, 0},
 	{"SmartMedia 16MiB 3,3V ROM",   0x57, 512, 16, 0x4000, NAND_ROM},
-	{"SmartMedia/xD 32MiB 3,3V",    0x75, 512, 32, 0x4000, 0},
+	{"SmartMedia 32MiB 3,3V",       0x75, 512, 32, 0x4000, 0},
 	{"SmartMedia 32MiB 3,3V ROM",   0x58, 512, 32, 0x4000, NAND_ROM},
-	{"SmartMedia/xD 64MiB 3,3V",    0x76, 512, 64, 0x4000, 0},
+	{"SmartMedia 64MiB 3,3V",       0x76, 512, 64, 0x4000, 0},
 	{"SmartMedia 64MiB 3,3V ROM",   0xd9, 512, 64, 0x4000, NAND_ROM},
-	{"SmartMedia/xD 128MiB 3,3V",   0x79, 512, 128, 0x4000, 0},
+	{"SmartMedia 128MiB 3,3V",      0x79, 512, 128, 0x4000, 0},
 	{"SmartMedia 128MiB 3,3V ROM",  0xda, 512, 128, 0x4000, NAND_ROM},
-	{"SmartMedia/xD 256MiB 3,3V",   0x71, 512, 256, 0x4000, XD_TYPEM},
+	{"SmartMedia 256MiB 3,3V",      0x71, 512, 256, 0x4000 },
 	{"SmartMedia 256MiB 3,3V ROM",  0x5b, 512, 256, 0x4000, NAND_ROM},
-
-	/* xD only */
-	{"xD 512MiB 3,3V",              0xDC, 512, 512, 0x4000, XD_TYPEM},
-	{"xD 1GiB 3,3V",                0xD3, 512, 1024, 0x4000, XD_TYPEM},
-	{"xD 2GiB 3,3V",                0xD5, 512, 2048, 0x4000, XD_TYPEM},
 	{NULL,}
 };
 
-int sm_register_device(struct mtd_info *mtd)
+#define XD_TYPEM       (NAND_NO_AUTOINCR | NAND_BROKEN_XD)
+static struct nand_flash_dev nand_xd_flash_ids[] = {
+
+	{"xD 16MiB 3,3V",    0x73, 512, 16, 0x4000, 0},
+	{"xD 32MiB 3,3V",    0x75, 512, 32, 0x4000, 0},
+	{"xD 64MiB 3,3V",    0x76, 512, 64, 0x4000, 0},
+	{"xD 128MiB 3,3V",   0x79, 512, 128, 0x4000, 0},
+	{"xD 256MiB 3,3V",   0x71, 512, 256, 0x4000, XD_TYPEM},
+	{"xD 512MiB 3,3V",   0xdc, 512, 512, 0x4000, XD_TYPEM},
+	{"xD 1GiB 3,3V",     0xd3, 512, 1024, 0x4000, XD_TYPEM},
+	{"xD 2GiB 3,3V",     0xd5, 512, 2048, 0x4000, XD_TYPEM},
+	{NULL,}
+};
+
+int sm_register_device(struct mtd_info *mtd, int smartmedia)
 {
 	struct nand_chip *chip = (struct nand_chip *)mtd->priv;
 	int ret;
@@ -111,7 +115,8 @@ int sm_register_device(struct mtd_info *mtd)
 	chip->options |= NAND_SKIP_BBTSCAN;
 
 	/* Scan for card properties */
-	ret = nand_scan_ident(mtd, 1, nand_smartmedia_flash_ids);
+	ret = nand_scan_ident(mtd, 1, smartmedia ?
+		nand_smartmedia_flash_ids : nand_xd_flash_ids);
 
 	if (ret)
 		return ret;
diff --git a/drivers/mtd/nand/sm_common.h b/drivers/mtd/nand/sm_common.h
index 18284f5fae6..00f4a83359b 100644
--- a/drivers/mtd/nand/sm_common.h
+++ b/drivers/mtd/nand/sm_common.h
@@ -36,7 +36,7 @@ struct sm_oob {
 #define SM_SMALL_OOB_SIZE	8
 
 
-extern int sm_register_device(struct mtd_info *mtd);
+extern int sm_register_device(struct mtd_info *mtd, int smartmedia);
 
 
 static inline int sm_sector_valid(struct sm_oob *oob)

From eedfea252690435858722a8da1109d104d639087 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben@simtec.co.uk>
Date: Tue, 20 Apr 2010 10:26:18 +0100
Subject: [PATCH 1384/3638] mtd: orion/kirkwood: add RnB line support to orion
 mtd driver

Add support for a board to register a callback to get the state of the
RnB line if it has it attached.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/plat-orion/include/plat/orion_nand.h | 1 +
 drivers/mtd/nand/orion_nand.c                 | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/arch/arm/plat-orion/include/plat/orion_nand.h b/arch/arm/plat-orion/include/plat/orion_nand.h
index d6a4cfa3778..9f3c180834d 100644
--- a/arch/arm/plat-orion/include/plat/orion_nand.h
+++ b/arch/arm/plat-orion/include/plat/orion_nand.h
@@ -14,6 +14,7 @@
  */
 struct orion_nand_data {
 	struct mtd_partition *parts;
+	int (*dev_ready)(struct mtd_info *mtd);
 	u32 nr_parts;
 	u8 ale;		/* address line number connected to ALE */
 	u8 cle;		/* address line number connected to CLE */
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index f4444fe960a..da6e7534305 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -126,6 +126,9 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 	if (board->width == 16)
 		nc->options |= NAND_BUSWIDTH_16;
 
+	if (board->dev_ready)
+		nc->dev_ready = board->dev_ready;
+
 	platform_set_drvdata(pdev, mtd);
 
 	if (nand_scan(mtd, 1)) {

From 010937ec9a550e2df97f87252a9d12d8a534c6d8 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben@simtec.co.uk>
Date: Tue, 20 Apr 2010 10:26:19 +0100
Subject: [PATCH 1385/3638] mtd: kirkwood: allow machines to register RnB
 callback

Add a kirkwood_nand_init_rnb() call to allow boards which
have RnB line detection to register this instead of a
static delay.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/mach-kirkwood/common.c | 9 +++++++++
 arch/arm/mach-kirkwood/common.h | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index f759ca24392..6072eaa5e66 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -305,6 +305,15 @@ void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts,
 	platform_device_register(&kirkwood_nand_flash);
 }
 
+void __init kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts,
+				   int (*dev_ready)(struct mtd_info *))
+{
+	kirkwood_clk_ctrl |= CGC_RUNIT;
+	kirkwood_nand_data.parts = parts;
+	kirkwood_nand_data.nr_parts = nr_parts;
+	kirkwood_nand_data.dev_ready = dev_ready;
+	platform_device_register(&kirkwood_nand_flash);
+}
 
 /*****************************************************************************
  * SoC RTC
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index d7de4346435..05e8a8a5692 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -16,6 +16,7 @@ struct mv643xx_eth_platform_data;
 struct mv_sata_platform_data;
 struct mvsdio_platform_data;
 struct mtd_partition;
+struct mtd_info;
 
 /*
  * Basic Kirkwood init functions used early by machine-setup.
@@ -41,6 +42,7 @@ void kirkwood_i2c_init(void);
 void kirkwood_uart0_init(void);
 void kirkwood_uart1_init(void);
 void kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int delay);
+void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *));
 
 extern int kirkwood_tclk;
 extern struct sys_timer kirkwood_timer;

From 8473044d644553ca3c939249490d1c5ef5f6d4e6 Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Sat, 24 Apr 2010 17:57:52 +0200
Subject: [PATCH 1386/3638] mtd: cfi_probe: enter Auto Select Mode after
 filling cfi->cfiq members

Move the code to enter Auto Select Mode down to be able to use cfi->cfiq
members to add support for chips using alternative sequence / unlock
addresses.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_probe.c | 47 ++++++++++++++++++-----------------
 1 file changed, 24 insertions(+), 23 deletions(-)

diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index e63e6749429..f657d16cb98 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -181,29 +181,6 @@ static int __xipram cfi_chip_setup(struct map_info *map,
 	for (i=0; i<(sizeof(struct cfi_ident) + num_erase_regions * 4); i++)
 		((unsigned char *)cfi->cfiq)[i] = cfi_read_query(map,base + (0x10 + i)*ofs_factor);
 
-	/* Note we put the device back into Read Mode BEFORE going into Auto
-	 * Select Mode, as some devices support nesting of modes, others
-	 * don't. This way should always work.
-	 * On cmdset 0001 the writes of 0xaa and 0x55 are not needed, and
-	 * so should be treated as nops or illegal (and so put the device
-	 * back into Read Mode, which is a nop in this case).
-	 */
-	cfi_send_gen_cmd(0xf0,     0, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0xaa, 0x555, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL);
-	cfi->mfr = cfi_read_query16(map, base);
-	cfi->id = cfi_read_query16(map, base + ofs_factor);
-
-	/* Get AMD/Spansion extended JEDEC ID */
-	if (cfi->mfr == CFI_MFR_AMD && (cfi->id & 0xff) == 0x7e)
-		cfi->id = cfi_read_query(map, base + 0xe * ofs_factor) << 8 |
-			  cfi_read_query(map, base + 0xf * ofs_factor);
-
-	/* Put it back into Read Mode */
-	cfi_qry_mode_off(base, map, cfi);
-	xip_allowed(base, map);
-
 	/* Do any necessary byteswapping */
 	cfi->cfiq->P_ID = le16_to_cpu(cfi->cfiq->P_ID);
 
@@ -228,6 +205,30 @@ static int __xipram cfi_chip_setup(struct map_info *map,
 #endif
 	}
 
+	/*
+	 * Note we put the device back into Read Mode BEFORE going into Auto
+	 * Select Mode, as some devices support nesting of modes, others
+	 * don't. This way should always work.
+	 * On cmdset 0001 the writes of 0xaa and 0x55 are not needed, and
+	 * so should be treated as nops or illegal (and so put the device
+	 * back into Read Mode, which is a nop in this case).
+	 */
+	cfi_send_gen_cmd(0xf0,     0, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0xaa, 0x555, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL);
+	cfi->mfr = cfi_read_query16(map, base);
+	cfi->id = cfi_read_query16(map, base + ofs_factor);
+
+	/* Get AMD/Spansion extended JEDEC ID */
+	if (cfi->mfr == CFI_MFR_AMD && (cfi->id & 0xff) == 0x7e)
+		cfi->id = cfi_read_query(map, base + 0xe * ofs_factor) << 8 |
+			  cfi_read_query(map, base + 0xf * ofs_factor);
+
+	/* Put it back into Read Mode */
+	cfi_qry_mode_off(base, map, cfi);
+	xip_allowed(base, map);
+
 	printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
 	       map->name, cfi->interleave, cfi->device_type*8, base,
 	       map->bankwidth*8);

From ad7026fef6c771fc88ecbcb111876fc050b1a4d0 Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Sat, 24 Apr 2010 17:57:57 +0200
Subject: [PATCH 1387/3638] mtd: cfi_probe: make the addresses used to enter
 Auto Select Mode variable

Make the addresses used to enter Auto Select Mode variable to leave place
for handling chips using non-standard addresses.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_probe.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index f657d16cb98..045dc100496 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -158,6 +158,7 @@ static int __xipram cfi_chip_setup(struct map_info *map,
 	__u32 base = 0;
 	int num_erase_regions = cfi_read_query(map, base + (0x10 + 28)*ofs_factor);
 	int i;
+	int addr_unlock1 = 0x555, addr_unlock2 = 0x2AA;
 
 	xip_enable(base, map, cfi);
 #ifdef DEBUG_CFI
@@ -214,9 +215,9 @@ static int __xipram cfi_chip_setup(struct map_info *map,
 	 * back into Read Mode, which is a nop in this case).
 	 */
 	cfi_send_gen_cmd(0xf0,     0, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0xaa, 0x555, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0xaa, addr_unlock1, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0x55, addr_unlock2, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0x90, addr_unlock1, base, map, cfi, cfi->device_type, NULL);
 	cfi->mfr = cfi_read_query16(map, base);
 	cfi->id = cfi_read_query16(map, base + ofs_factor);
 

From 54b93a49d8dd90dfb658f21a3316527fe6195106 Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Sat, 24 Apr 2010 17:58:02 +0200
Subject: [PATCH 1388/3638] mtd: cfi_probe: add support for SST 0x0701
 vendorname

SST 39VF160x and 39VF320x chips use vendorname id 0x0701 and alternative
unlock addresses. Add support for them in cfi_probe.c.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_probe.c | 8 ++++++++
 include/linux/mtd/cfi.h       | 1 +
 2 files changed, 9 insertions(+)

diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index 045dc100496..b2acd32f4fb 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -206,6 +206,11 @@ static int __xipram cfi_chip_setup(struct map_info *map,
 #endif
 	}
 
+	if (cfi->cfiq->P_ID == P_ID_SST_OLD) {
+		addr_unlock1 = 0x5555;
+		addr_unlock2 = 0x2AAA;
+	}
+
 	/*
 	 * Note we put the device back into Read Mode BEFORE going into Auto
 	 * Select Mode, as some devices support nesting of modes, others
@@ -271,6 +276,9 @@ static char *vendorname(__u16 vendor)
 	case P_ID_SST_PAGE:
 		return "SST Page Write";
 
+	case P_ID_SST_OLD:
+		return "SST 39VF160x/39VF320x";
+
 	case P_ID_INTEL_PERFORMANCE:
 		return "Intel Performance Code";
 
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index cee05b1e62b..5716fc78ca8 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -253,6 +253,7 @@ struct cfi_bri_query {
 #define P_ID_MITSUBISHI_STD     0x0100
 #define P_ID_MITSUBISHI_EXT     0x0101
 #define P_ID_SST_PAGE           0x0102
+#define P_ID_SST_OLD            0x0701
 #define P_ID_INTEL_PERFORMANCE  0x0200
 #define P_ID_INTEL_DATA         0x0210
 #define P_ID_RESERVED           0xffff

From 58598861227877bb481b9035d2a07283577a2274 Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Sat, 24 Apr 2010 17:58:07 +0200
Subject: [PATCH 1389/3638] mtd: cfi_probe: use P_ID_* definitions instead of
 hardcoded values

Use P_ID_* definitions already in include/linux/mtd/cfi.h instead of the
hardcoded values. Make the code more readable.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/gen_probe.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index fcc1bc02c8a..1d56887c839 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -241,17 +241,17 @@ static struct mtd_info *check_cmd_set(struct map_info *map, int primary)
 		/* We need these for the !CONFIG_MODULES case,
 		   because symbol_get() doesn't work there */
 #ifdef CONFIG_MTD_CFI_INTELEXT
-	case 0x0001:
-	case 0x0003:
-	case 0x0200:
+	case P_ID_INTEL_EXT:
+	case P_ID_INTEL_STD:
+	case P_ID_INTEL_PERFORMANCE:
 		return cfi_cmdset_0001(map, primary);
 #endif
 #ifdef CONFIG_MTD_CFI_AMDSTD
-	case 0x0002:
+	case P_ID_AMD_STD:
 		return cfi_cmdset_0002(map, primary);
 #endif
 #ifdef CONFIG_MTD_CFI_STAA
-        case 0x0020:
+        case P_ID_ST_ADV:
 		return cfi_cmdset_0020(map, primary);
 #endif
 	default:

From 564b84978df2bf83d334940f1a1190702579f79f Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Sat, 24 Apr 2010 17:58:17 +0200
Subject: [PATCH 1390/3638] mtd: cfi_cmdset_0002: do not fail on no extended
 query table as they are both optional

After looking at AMD's CFI specification [1], both of the extended query
tables are optional. Thus, it looks like relying that at least one of
those tables exist is a bug in cfi_cmdset_0002.

This patch inverts the logic and checks for unlock function pointers before
exiting on error. This approach leaves place to add a call to a fixup
function to try to handle chips compatible with the early AMD specification
from 1995 [2].

[1] http://www.amd.com/us-en/assets/content_type/DownloadableAssets/cfi_r20.pdf
[2] http://noel.feld.cvut.cz/hw/amd/20158a.pdf

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 93 +++++++++++++++--------------
 1 file changed, 47 insertions(+), 46 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index c16b8cecc3a..ce38d3d049e 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -357,65 +357,66 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 
 	if (cfi->cfi_mode==CFI_MODE_CFI){
 		unsigned char bootloc;
-		/*
-		 * It's a real CFI chip, not one for which the probe
-		 * routine faked a CFI structure. So we read the feature
-		 * table from it.
-		 */
 		__u16 adr = primary?cfi->cfiq->P_ADR:cfi->cfiq->A_ADR;
 		struct cfi_pri_amdstd *extp;
 
 		extp = (struct cfi_pri_amdstd*)cfi_read_pri(map, adr, sizeof(*extp), "Amd/Fujitsu");
-		if (!extp) {
-			kfree(mtd);
-			return NULL;
-		}
+		if (extp) {
+			/*
+			 * It's a real CFI chip, not one for which the probe
+			 * routine faked a CFI structure.
+			 */
+			cfi_fixup_major_minor(cfi, extp);
 
-		cfi_fixup_major_minor(cfi, extp);
+			if (extp->MajorVersion != '1' ||
+			    (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
+				printk(KERN_ERR "  Unknown Amd/Fujitsu Extended Query "
+				       "version %c.%c.\n",  extp->MajorVersion,
+				       extp->MinorVersion);
+				kfree(extp);
+				kfree(mtd);
+				return NULL;
+			}
 
-		if (extp->MajorVersion != '1' ||
-		    (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
-			printk(KERN_ERR "  Unknown Amd/Fujitsu Extended Query "
-			       "version %c.%c.\n",  extp->MajorVersion,
-			       extp->MinorVersion);
-			kfree(extp);
-			kfree(mtd);
-			return NULL;
-		}
+			/* Install our own private info structure */
+			cfi->cmdset_priv = extp;
 
-		/* Install our own private info structure */
-		cfi->cmdset_priv = extp;
-
-		/* Apply cfi device specific fixups */
-		cfi_fixup(mtd, cfi_fixup_table);
+			/* Apply cfi device specific fixups */
+			cfi_fixup(mtd, cfi_fixup_table);
 
 #ifdef DEBUG_CFI_FEATURES
-		/* Tell the user about it in lots of lovely detail */
-		cfi_tell_features(extp);
+			/* Tell the user about it in lots of lovely detail */
+			cfi_tell_features(extp);
 #endif
 
-		bootloc = extp->TopBottom;
-		if ((bootloc != 2) && (bootloc != 3)) {
-			printk(KERN_WARNING "%s: CFI does not contain boot "
-			       "bank location. Assuming top.\n", map->name);
-			bootloc = 2;
-		}
-
-		if (bootloc == 3 && cfi->cfiq->NumEraseRegions > 1) {
-			printk(KERN_WARNING "%s: Swapping erase regions for broken CFI table.\n", map->name);
-
-			for (i=0; i<cfi->cfiq->NumEraseRegions / 2; i++) {
-				int j = (cfi->cfiq->NumEraseRegions-1)-i;
-				__u32 swap;
-
-				swap = cfi->cfiq->EraseRegionInfo[i];
-				cfi->cfiq->EraseRegionInfo[i] = cfi->cfiq->EraseRegionInfo[j];
-				cfi->cfiq->EraseRegionInfo[j] = swap;
+			bootloc = extp->TopBottom;
+			if ((bootloc != 2) && (bootloc != 3)) {
+				printk(KERN_WARNING "%s: CFI does not contain boot "
+				       "bank location. Assuming top.\n", map->name);
+				bootloc = 2;
 			}
+
+			if (bootloc == 3 && cfi->cfiq->NumEraseRegions > 1) {
+				printk(KERN_WARNING "%s: Swapping erase regions for broken CFI table.\n", map->name);
+
+				for (i=0; i<cfi->cfiq->NumEraseRegions / 2; i++) {
+					int j = (cfi->cfiq->NumEraseRegions-1)-i;
+					__u32 swap;
+
+					swap = cfi->cfiq->EraseRegionInfo[i];
+					cfi->cfiq->EraseRegionInfo[i] = cfi->cfiq->EraseRegionInfo[j];
+					cfi->cfiq->EraseRegionInfo[j] = swap;
+				}
+			}
+			/* Set the default CFI lock/unlock addresses */
+			cfi->addr_unlock1 = 0x555;
+			cfi->addr_unlock2 = 0x2aa;
+		}
+
+		if (!cfi->addr_unlock1 || !cfi->addr_unlock2) {
+			kfree(mtd);
+			return NULL;
 		}
-		/* Set the default CFI lock/unlock addresses */
-		cfi->addr_unlock1 = 0x555;
-		cfi->addr_unlock2 = 0x2aa;
 
 	} /* CFI mode */
 	else if (cfi->cfi_mode == CFI_MODE_JEDEC) {

From 412da2f6e083eba6e4bd91ff2e78abb4735357a7 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Fri, 14 May 2010 01:35:54 +0100
Subject: [PATCH 1391/3638] mtd: cfi_cmdset_0002: Tone down warning messages
 about TopBottom CFI field

Accept values of 2-5 for TopBottom, where the newly-added 4 and 5 values
mean a uniform layout. It does indicate WP layout but we don't handle that.

Also don't say "broken" when swapping erase regions in a top-boot chip.
That got retrospectively documented in the spec.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index ce38d3d049e..c27dd1c936c 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -390,14 +390,15 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 #endif
 
 			bootloc = extp->TopBottom;
-			if ((bootloc != 2) && (bootloc != 3)) {
-				printk(KERN_WARNING "%s: CFI does not contain boot "
-				       "bank location. Assuming top.\n", map->name);
+			if ((bootloc < 2) || (bootloc > 5)) {
+				printk(KERN_WARNING "%s: CFI contains unrecognised boot "
+				       "bank location (%d). Assuming bottom.\n",
+				       bootloc, map->name);
 				bootloc = 2;
 			}
 
 			if (bootloc == 3 && cfi->cfiq->NumEraseRegions > 1) {
-				printk(KERN_WARNING "%s: Swapping erase regions for broken CFI table.\n", map->name);
+				printk(KERN_WARNING "%s: Swapping erase regions for top-boot CFI table.\n", map->name);
 
 				for (i=0; i<cfi->cfiq->NumEraseRegions / 2; i++) {
 					int j = (cfi->cfiq->NumEraseRegions-1)-i;

From 83dcd3bb1139060fedb15235f8614d2bac82e18d Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Sat, 24 Apr 2010 17:58:22 +0200
Subject: [PATCH 1392/3638] mtd: cfi_cmdset_0002: add CFI detection for SST
 39VF{16, 32}xx chips

SST 39VF{16,32}xx chips use the 0x0701 command set, fully compatible
with the AMD one. This patch adds support for detecting them in CFI
mode.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 35 +++++++++++++++++++++++++++++
 drivers/mtd/chips/gen_probe.c       |  1 +
 2 files changed, 36 insertions(+)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index c27dd1c936c..b7d821d6183 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -258,6 +258,31 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param)
 	mtd->flags |= MTD_POWERUP_LOCK;
 }
 
+static void fixup_old_sst_eraseregion(struct mtd_info *mtd)
+{
+	struct map_info *map = mtd->priv;
+	struct cfi_private *cfi = map->fldrv_priv;
+
+	/*
+	 * These flashes report two seperate eraseblock regions based on the
+	 * sector_erase-size and block_erase-size, although they both operate on the
+	 * same memory. This is not allowed according to CFI, so we just pick the
+	 * sector_erase-size.
+	 */
+	cfi->cfiq->NumEraseRegions = 1;
+}
+
+static void fixup_sst39vf(struct mtd_info *mtd, void *param)
+{
+	struct map_info *map = mtd->priv;
+	struct cfi_private *cfi = map->fldrv_priv;
+
+	fixup_old_sst_eraseregion(mtd);
+
+	cfi->addr_unlock1 = 0x5555;
+	cfi->addr_unlock2 = 0x2AAA;
+}
+
 static void fixup_s29gl064n_sectors(struct mtd_info *mtd, void *param)
 {
 	struct map_info *map = mtd->priv;
@@ -280,6 +305,15 @@ static void fixup_s29gl032n_sectors(struct mtd_info *mtd, void *param)
 	}
 }
 
+/* Used to fix CFI-Tables of chips without Extended Query Tables */
+static struct cfi_fixup cfi_nopri_fixup_table[] = {
+	{ CFI_MFR_SST, 0x234A, fixup_sst39vf, NULL, }, // SST39VF1602
+	{ CFI_MFR_SST, 0x234B, fixup_sst39vf, NULL, }, // SST39VF1601
+	{ CFI_MFR_SST, 0x235A, fixup_sst39vf, NULL, }, // SST39VF3202
+	{ CFI_MFR_SST, 0x235B, fixup_sst39vf, NULL, }, // SST39VF3201
+	{ 0, 0, NULL, NULL }
+};
+
 static struct cfi_fixup cfi_fixup_table[] = {
 	{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
 #ifdef AMD_BOOTLOC_BUG
@@ -413,6 +447,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 			cfi->addr_unlock1 = 0x555;
 			cfi->addr_unlock2 = 0x2aa;
 		}
+		cfi_fixup(mtd, cfi_nopri_fixup_table);
 
 		if (!cfi->addr_unlock1 || !cfi->addr_unlock2) {
 			kfree(mtd);
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index 1d56887c839..75a8f9db8e4 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -248,6 +248,7 @@ static struct mtd_info *check_cmd_set(struct map_info *map, int primary)
 #endif
 #ifdef CONFIG_MTD_CFI_AMDSTD
 	case P_ID_AMD_STD:
+	case P_ID_SST_OLD:
 		return cfi_cmdset_0002(map, primary);
 #endif
 #ifdef CONFIG_MTD_CFI_STAA

From 5a0563f0ad0c9864b735e9ae23e55f7fa9c73bf5 Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Sat, 24 Apr 2010 17:58:27 +0200
Subject: [PATCH 1393/3638] mtd: cfi_cmdset_0002: add CFI detection for SST
 39VF{32, 64}xxB chips

This patch adds support for detecting SST 39VF32xxB and 39VF64xxB
chips in CFI mode.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index b7d821d6183..0e21b098248 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -283,6 +283,17 @@ static void fixup_sst39vf(struct mtd_info *mtd, void *param)
 	cfi->addr_unlock2 = 0x2AAA;
 }
 
+static void fixup_sst39vf_rev_b(struct mtd_info *mtd, void *param)
+{
+	struct map_info *map = mtd->priv;
+	struct cfi_private *cfi = map->fldrv_priv;
+
+	fixup_old_sst_eraseregion(mtd);
+
+	cfi->addr_unlock1 = 0x555;
+	cfi->addr_unlock2 = 0x2AA;
+}
+
 static void fixup_s29gl064n_sectors(struct mtd_info *mtd, void *param)
 {
 	struct map_info *map = mtd->priv;
@@ -311,6 +322,10 @@ static struct cfi_fixup cfi_nopri_fixup_table[] = {
 	{ CFI_MFR_SST, 0x234B, fixup_sst39vf, NULL, }, // SST39VF1601
 	{ CFI_MFR_SST, 0x235A, fixup_sst39vf, NULL, }, // SST39VF3202
 	{ CFI_MFR_SST, 0x235B, fixup_sst39vf, NULL, }, // SST39VF3201
+	{ CFI_MFR_SST, 0x235C, fixup_sst39vf_rev_b, NULL, }, // SST39VF3202B
+	{ CFI_MFR_SST, 0x235D, fixup_sst39vf_rev_b, NULL, }, // SST39VF3201B
+	{ CFI_MFR_SST, 0x236C, fixup_sst39vf_rev_b, NULL, }, // SST39VF6402B
+	{ CFI_MFR_SST, 0x236D, fixup_sst39vf_rev_b, NULL, }, // SST39VF6401B
 	{ 0, 0, NULL, NULL }
 };
 

From 087444da61ed972b3c2bfbf7dcf317cb4475f143 Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Sat, 24 Apr 2010 17:58:32 +0200
Subject: [PATCH 1394/3638] mtd: cfi_util: do not printk if no extended query
 table

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index ca584d0380b..d7c2c672757 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -104,10 +104,11 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
 	int i;
 	struct cfi_extquery *extp = NULL;
 
-	printk(" %s Extended Query Table at 0x%4.4X\n", name, adr);
 	if (!adr)
 		goto out;
 
+	printk(KERN_INFO "%s Extended Query Table at 0x%4.4X\n", name, adr);
+
 	extp = kmalloc(size, GFP_KERNEL);
 	if (!extp) {
 		printk(KERN_ERR "Failed to allocate memory\n");

From ae731822294468f213f2b56a0ddfc425148c873b Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Tue, 27 Apr 2010 04:19:34 +0200
Subject: [PATCH 1395/3638] mtd: chips: use common manufacturer codes in
 jedec_probe()

Factor out old manufacturers and use the generic ones from cfi.h

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/jedec_probe.c | 252 +++++++++++++++-----------------
 include/linux/mtd/cfi.h         |  13 +-
 2 files changed, 128 insertions(+), 137 deletions(-)

diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index 8db1148dfa4..04fb45cacc3 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -22,24 +22,6 @@
 #include <linux/mtd/cfi.h>
 #include <linux/mtd/gen_probe.h>
 
-/* Manufacturers */
-#define MANUFACTURER_AMD	0x0001
-#define MANUFACTURER_ATMEL	0x001f
-#define MANUFACTURER_EON	0x001c
-#define MANUFACTURER_FUJITSU	0x0004
-#define MANUFACTURER_HYUNDAI	0x00AD
-#define MANUFACTURER_INTEL	0x0089
-#define MANUFACTURER_MACRONIX	0x00C2
-#define MANUFACTURER_NEC	0x0010
-#define MANUFACTURER_PMC	0x009D
-#define MANUFACTURER_SHARP	0x00b0
-#define MANUFACTURER_SST	0x00BF
-#define MANUFACTURER_ST		0x0020
-#define MANUFACTURER_TOSHIBA	0x0098
-#define MANUFACTURER_WINBOND	0x00da
-#define CONTINUATION_CODE	0x007f
-
-
 /* AMD */
 #define AM29DL800BB	0x22CB
 #define AM29DL800BT	0x224A
@@ -309,7 +291,7 @@ struct amd_flash_info {
  */
 static const struct amd_flash_info jedec_table[] = {
 	{
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29F032B,
 		.name		= "AMD AM29F032B",
 		.uaddr		= MTD_UADDR_0x0555_0x02AA,
@@ -321,7 +303,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,64)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29LV160DT,
 		.name		= "AMD AM29LV160DT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -336,7 +318,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29LV160DB,
 		.name		= "AMD AM29LV160DB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -351,7 +333,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,31)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29LV400BB,
 		.name		= "AMD AM29LV400BB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -366,7 +348,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,7)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29LV400BT,
 		.name		= "AMD AM29LV400BT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -381,7 +363,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29LV800BB,
 		.name		= "AMD AM29LV800BB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -397,7 +379,7 @@ static const struct amd_flash_info jedec_table[] = {
 		}
 	}, {
 /* add DL */
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29DL800BB,
 		.name		= "AMD AM29DL800BB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -414,7 +396,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,14)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29DL800BT,
 		.name		= "AMD AM29DL800BT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -431,7 +413,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29F800BB,
 		.name		= "AMD AM29F800BB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -446,7 +428,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,15),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29LV800BT,
 		.name		= "AMD AM29LV800BT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -461,7 +443,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29F800BT,
 		.name		= "AMD AM29F800BT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -476,7 +458,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29F017D,
 		.name		= "AMD AM29F017D",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -488,7 +470,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,32),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29F016D,
 		.name		= "AMD AM29F016D",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -500,7 +482,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,32),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29F080,
 		.name		= "AMD AM29F080",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -512,7 +494,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29F040,
 		.name		= "AMD AM29F040",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -524,7 +506,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29LV040B,
 		.name		= "AMD AM29LV040B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -536,7 +518,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29F002T,
 		.name		= "AMD AM29F002T",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -551,7 +533,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29SL800DT,
 		.name		= "AMD AM29SL800DT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -566,7 +548,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= CFI_MFR_AMD,
 		.dev_id		= AM29SL800DB,
 		.name		= "AMD AM29SL800DB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -581,7 +563,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,15),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ATMEL,
+		.mfr_id		= CFI_MFR_ATMEL,
 		.dev_id		= AT49BV512,
 		.name		= "Atmel AT49BV512",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -593,7 +575,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ATMEL,
+		.mfr_id		= CFI_MFR_ATMEL,
 		.dev_id		= AT29LV512,
 		.name		= "Atmel AT29LV512",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -606,7 +588,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x80,256)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ATMEL,
+		.mfr_id		= CFI_MFR_ATMEL,
 		.dev_id		= AT49BV16X,
 		.name		= "Atmel AT49BV16X",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -619,7 +601,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,31)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ATMEL,
+		.mfr_id		= CFI_MFR_ATMEL,
 		.dev_id		= AT49BV16XT,
 		.name		= "Atmel AT49BV16XT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -632,7 +614,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000,8)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ATMEL,
+		.mfr_id		= CFI_MFR_ATMEL,
 		.dev_id		= AT49BV32X,
 		.name		= "Atmel AT49BV32X",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -645,7 +627,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,63)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ATMEL,
+		.mfr_id		= CFI_MFR_ATMEL,
 		.dev_id		= AT49BV32XT,
 		.name		= "Atmel AT49BV32XT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -658,7 +640,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000,8)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_EON,
+		.mfr_id		= CFI_MFR_EON,
 		.dev_id		= EN29SL800BT,
 		.name		= "Eon EN29SL800BT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -673,7 +655,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_EON,
+		.mfr_id		= CFI_MFR_EON,
 		.dev_id		= EN29SL800BB,
 		.name		= "Eon EN29SL800BB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -688,7 +670,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,15),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29F040C,
 		.name		= "Fujitsu MBM29F040C",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -700,7 +682,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,8)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29F800BA,
 		.name		= "Fujitsu MBM29F800BA",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -715,7 +697,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,15),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV650UE,
 		.name		= "Fujitsu MBM29LV650UE",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -727,7 +709,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,128)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV320TE,
 		.name		= "Fujitsu MBM29LV320TE",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -740,7 +722,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000,8)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV320BE,
 		.name		= "Fujitsu MBM29LV320BE",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -753,7 +735,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,63)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV160TE,
 		.name		= "Fujitsu MBM29LV160TE",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -768,7 +750,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV160BE,
 		.name		= "Fujitsu MBM29LV160BE",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -783,7 +765,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,31)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV800BA,
 		.name		= "Fujitsu MBM29LV800BA",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -798,7 +780,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,15)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV800TA,
 		.name		= "Fujitsu MBM29LV800TA",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -813,7 +795,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV400BC,
 		.name		= "Fujitsu MBM29LV400BC",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -828,7 +810,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,7)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_FUJITSU,
+		.mfr_id		= CFI_MFR_FUJITSU,
 		.dev_id		= MBM29LV400TC,
 		.name		= "Fujitsu MBM29LV400TC",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -843,7 +825,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_HYUNDAI,
+		.mfr_id		= CFI_MFR_HYUNDAI,
 		.dev_id		= HY29F002T,
 		.name		= "Hyundai HY29F002T",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -858,7 +840,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F004B3B,
 		.name		= "Intel 28F004B3B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -871,7 +853,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 7),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F004B3T,
 		.name		= "Intel 28F004B3T",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -884,7 +866,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000, 8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F400B3B,
 		.name		= "Intel 28F400B3B",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -897,7 +879,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 7),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F400B3T,
 		.name		= "Intel 28F400B3T",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -910,7 +892,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000, 8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F008B3B,
 		.name		= "Intel 28F008B3B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -923,7 +905,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 15),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F008B3T,
 		.name		= "Intel 28F008B3T",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -936,7 +918,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000, 8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F008S5,
 		.name		= "Intel 28F008S5",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -948,7 +930,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F016S5,
 		.name		= "Intel 28F016S5",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -960,7 +942,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,32),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F008SA,
 		.name		= "Intel 28F008SA",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -972,7 +954,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F800B3B,
 		.name		= "Intel 28F800B3B",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -985,7 +967,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 15),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F800B3T,
 		.name		= "Intel 28F800B3T",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -998,7 +980,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000, 8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F016B3B,
 		.name		= "Intel 28F016B3B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1011,7 +993,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 31),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F016S3,
 		.name		= "Intel I28F016S3",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1023,7 +1005,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 32),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F016B3T,
 		.name		= "Intel 28F016B3T",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1036,7 +1018,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000, 8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F160B3B,
 		.name		= "Intel 28F160B3B",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1049,7 +1031,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 31),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F160B3T,
 		.name		= "Intel 28F160B3T",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1062,7 +1044,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000, 8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F320B3B,
 		.name		= "Intel 28F320B3B",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1075,7 +1057,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 63),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F320B3T,
 		.name		= "Intel 28F320B3T",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1088,7 +1070,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000, 8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F640B3B,
 		.name		= "Intel 28F640B3B",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1101,7 +1083,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 127),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F640B3T,
 		.name		= "Intel 28F640B3T",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1114,7 +1096,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000, 8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I28F640C3B,
 		.name		= "Intel 28F640C3B",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1127,7 +1109,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000, 127),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I82802AB,
 		.name		= "Intel 82802AB",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1139,7 +1121,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_INTEL,
+		.mfr_id		= CFI_MFR_INTEL,
 		.dev_id		= I82802AC,
 		.name		= "Intel 82802AC",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1151,7 +1133,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_MACRONIX,
+		.mfr_id		= CFI_MFR_MACRONIX,
 		.dev_id		= MX29LV040C,
 		.name		= "Macronix MX29LV040C",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1163,7 +1145,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_MACRONIX,
+		.mfr_id		= CFI_MFR_MACRONIX,
 		.dev_id		= MX29LV160T,
 		.name		= "MXIC MX29LV160T",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1178,7 +1160,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_NEC,
+		.mfr_id		= CFI_MFR_NEC,
 		.dev_id		= UPD29F064115,
 		.name		= "NEC uPD29F064115",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1192,7 +1174,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x2000,8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_MACRONIX,
+		.mfr_id		= CFI_MFR_MACRONIX,
 		.dev_id		= MX29LV160B,
 		.name		= "MXIC MX29LV160B",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1207,7 +1189,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,31)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_MACRONIX,
+		.mfr_id		= CFI_MFR_MACRONIX,
 		.dev_id		= MX29F040,
 		.name		= "Macronix MX29F040",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1219,7 +1201,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_MACRONIX,
+		.mfr_id		= CFI_MFR_MACRONIX,
 		.dev_id		= MX29F016,
 		.name		= "Macronix MX29F016",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1231,7 +1213,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,32),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_MACRONIX,
+		.mfr_id		= CFI_MFR_MACRONIX,
 		.dev_id		= MX29F004T,
 		.name		= "Macronix MX29F004T",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1246,7 +1228,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_MACRONIX,
+		.mfr_id		= CFI_MFR_MACRONIX,
 		.dev_id		= MX29F004B,
 		.name		= "Macronix MX29F004B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1261,7 +1243,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,7),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_MACRONIX,
+		.mfr_id		= CFI_MFR_MACRONIX,
 		.dev_id		= MX29F002T,
 		.name		= "Macronix MX29F002T",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1276,7 +1258,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_PMC,
+		.mfr_id		= CFI_MFR_PMC,
 		.dev_id		= PM49FL002,
 		.name		= "PMC Pm49FL002",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1288,7 +1270,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO( 0x01000, 64 )
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_PMC,
+		.mfr_id		= CFI_MFR_PMC,
 		.dev_id		= PM49FL004,
 		.name		= "PMC Pm49FL004",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1300,7 +1282,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO( 0x01000, 128 )
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_PMC,
+		.mfr_id		= CFI_MFR_PMC,
 		.dev_id		= PM49FL008,
 		.name		= "PMC Pm49FL008",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1312,7 +1294,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO( 0x01000, 256 )
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SHARP,
+		.mfr_id		= CFI_MFR_SHARP,
 		.dev_id		= LH28F640BF,
 		.name		= "LH28F640BF",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1324,7 +1306,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x40000,16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST39LF512,
 		.name		= "SST 39LF512",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1336,7 +1318,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST39LF010,
 		.name		= "SST 39LF010",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1348,7 +1330,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,32),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
  		.dev_id 	= SST29EE020,
 		.name		= "SST 29EE020",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1359,7 +1341,7 @@ static const struct amd_flash_info jedec_table[] = {
 		.regions = {ERASEINFO(0x01000,64),
 		}
 	}, {
- 		.mfr_id		= MANUFACTURER_SST,
+ 		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST29LE020,
  		.name		= "SST 29LE020",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1370,7 +1352,7 @@ static const struct amd_flash_info jedec_table[] = {
 		.regions = {ERASEINFO(0x01000,64),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST39LF020,
 		.name		= "SST 39LF020",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1382,7 +1364,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,64),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST39LF040,
 		.name		= "SST 39LF040",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1394,7 +1376,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,128),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST39SF010A,
 		.name		= "SST 39SF010A",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1406,7 +1388,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,32),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST39SF020A,
 		.name		= "SST 39SF020A",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1418,7 +1400,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,64),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST39SF040,
 		.name		= "SST 39SF040",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1430,7 +1412,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,128),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST49LF040B,
 		.name		= "SST 49LF040B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1443,7 +1425,7 @@ static const struct amd_flash_info jedec_table[] = {
 		}
 	}, {
 
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST49LF004B,
 		.name		= "SST 49LF004B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1455,7 +1437,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,128),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST49LF008A,
 		.name		= "SST 49LF008A",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1467,7 +1449,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,256),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST49LF030A,
 		.name		= "SST 49LF030A",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1479,7 +1461,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,96),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST49LF040A,
 		.name		= "SST 49LF040A",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1491,7 +1473,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,128),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST49LF080A,
 		.name		= "SST 49LF080A",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1503,7 +1485,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x01000,256),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,     /* should be CFI */
+		.mfr_id		= CFI_MFR_SST,     /* should be CFI */
 		.dev_id		= SST39LF160,
 		.name		= "SST 39LF160",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1516,7 +1498,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x1000,256)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,     /* should be CFI */
+		.mfr_id		= CFI_MFR_SST,     /* should be CFI */
 		.dev_id		= SST39VF1601,
 		.name		= "SST 39VF1601",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1529,7 +1511,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x1000,256)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,     /* should be CFI */
+		.mfr_id		= CFI_MFR_SST,     /* should be CFI */
 		.dev_id		= SST39VF3201,
 		.name		= "SST 39VF3201",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1544,7 +1526,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x1000,256)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST36VF3203,
 		.name		= "SST 36VF3203",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1556,7 +1538,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,64),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,
+		.mfr_id		= CFI_MFR_ST,
 		.dev_id		= M29F800AB,
 		.name		= "ST M29F800AB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1571,7 +1553,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,15),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,	/* FIXME - CFI device? */
+		.mfr_id		= CFI_MFR_ST,	/* FIXME - CFI device? */
 		.dev_id		= M29W800DT,
 		.name		= "ST M29W800DT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1586,7 +1568,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,	/* FIXME - CFI device? */
+		.mfr_id		= CFI_MFR_ST,	/* FIXME - CFI device? */
 		.dev_id		= M29W800DB,
 		.name		= "ST M29W800DB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1601,7 +1583,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,15)
 		}
 	},  {
-		.mfr_id         = MANUFACTURER_ST,
+		.mfr_id         = CFI_MFR_ST,
 		.dev_id         = M29W400DT,
 		.name           = "ST M29W400DT",
 		.devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1616,7 +1598,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,1)
 		}
 	}, {
-		.mfr_id         = MANUFACTURER_ST,
+		.mfr_id         = CFI_MFR_ST,
 		.dev_id         = M29W400DB,
 		.name           = "ST M29W400DB",
 		.devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1631,7 +1613,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,7)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,	/* FIXME - CFI device? */
+		.mfr_id		= CFI_MFR_ST,	/* FIXME - CFI device? */
 		.dev_id		= M29W160DT,
 		.name		= "ST M29W160DT",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1646,7 +1628,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,	/* FIXME - CFI device? */
+		.mfr_id		= CFI_MFR_ST,	/* FIXME - CFI device? */
 		.dev_id		= M29W160DB,
 		.name		= "ST M29W160DB",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1661,7 +1643,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,31)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,
+		.mfr_id		= CFI_MFR_ST,
 		.dev_id		= M29W040B,
 		.name		= "ST M29W040B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1673,7 +1655,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,
+		.mfr_id		= CFI_MFR_ST,
 		.dev_id		= M50FW040,
 		.name		= "ST M50FW040",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1685,7 +1667,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,8),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,
+		.mfr_id		= CFI_MFR_ST,
 		.dev_id		= M50FW080,
 		.name		= "ST M50FW080",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1697,7 +1679,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,
+		.mfr_id		= CFI_MFR_ST,
 		.dev_id		= M50FW016,
 		.name		= "ST M50FW016",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1709,7 +1691,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,32),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,
+		.mfr_id		= CFI_MFR_ST,
 		.dev_id		= M50LPW080,
 		.name		= "ST M50LPW080",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1721,7 +1703,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,16),
 		},
 	}, {
-		.mfr_id		= MANUFACTURER_ST,
+		.mfr_id		= CFI_MFR_ST,
 		.dev_id		= M50FLW080A,
 		.name		= "ST M50FLW080A",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1736,7 +1718,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x1000,16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_ST,
+		.mfr_id		= CFI_MFR_ST,
 		.dev_id		= M50FLW080B,
 		.name		= "ST M50FLW080B",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1751,7 +1733,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x1000,16),
 		}
 	}, {
-		.mfr_id		= 0xff00 | MANUFACTURER_ST,
+		.mfr_id		= 0xff00 | CFI_MFR_ST,
 		.dev_id		= 0xff00 | PSD4256G6V,
 		.name		= "ST PSD4256G6V",
 		.devtypes	= CFI_DEVICETYPE_X16,
@@ -1763,7 +1745,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,16),
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_TOSHIBA,
+		.mfr_id		= CFI_MFR_TOSHIBA,
 		.dev_id		= TC58FVT160,
 		.name		= "Toshiba TC58FVT160",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1778,7 +1760,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x04000,1)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_TOSHIBA,
+		.mfr_id		= CFI_MFR_TOSHIBA,
 		.dev_id		= TC58FVB160,
 		.name		= "Toshiba TC58FVB160",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1793,7 +1775,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,31)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_TOSHIBA,
+		.mfr_id		= CFI_MFR_TOSHIBA,
 		.dev_id		= TC58FVB321,
 		.name		= "Toshiba TC58FVB321",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1806,7 +1788,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,63)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_TOSHIBA,
+		.mfr_id		= CFI_MFR_TOSHIBA,
 		.dev_id		= TC58FVT321,
 		.name		= "Toshiba TC58FVT321",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1819,7 +1801,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000,8)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_TOSHIBA,
+		.mfr_id		= CFI_MFR_TOSHIBA,
 		.dev_id		= TC58FVB641,
 		.name		= "Toshiba TC58FVB641",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1832,7 +1814,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x10000,127)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_TOSHIBA,
+		.mfr_id		= CFI_MFR_TOSHIBA,
 		.dev_id		= TC58FVT641,
 		.name		= "Toshiba TC58FVT641",
 		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
@@ -1845,7 +1827,7 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x02000,8)
 		}
 	}, {
-		.mfr_id		= MANUFACTURER_WINBOND,
+		.mfr_id		= CFI_MFR_WINBOND,
 		.dev_id		= W49V002A,
 		.name		= "Winbond W49V002A",
 		.devtypes	= CFI_DEVICETYPE_X8,
@@ -1878,7 +1860,7 @@ static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
 		mask = (1 << (cfi->device_type * 8)) - 1;
 		result = map_read(map, base + ofs);
 		bank++;
-	} while ((result.x[0] & mask) == CONTINUATION_CODE);
+	} while ((result.x[0] & mask) == CFI_MFR_CONTINUATION);
 
 	return result.x[0] & mask;
 }
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index 5716fc78ca8..574d9ee066f 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -516,16 +516,25 @@ struct cfi_fixup {
 	void* param;
 };
 
-#define CFI_MFR_ANY 0xffff
-#define CFI_ID_ANY  0xffff
+#define CFI_MFR_ANY		0xFFFF
+#define CFI_ID_ANY		0xFFFF
+#define CFI_MFR_CONTINUATION	0x007F
 
 #define CFI_MFR_AMD		0x0001
 #define CFI_MFR_ATMEL		0x001F
+#define CFI_MFR_EON		0x001C
+#define CFI_MFR_FUJITSU		0x0004
+#define CFI_MFR_HYUNDAI		0x00AD
 #define CFI_MFR_INTEL		0x0089
 #define CFI_MFR_MACRONIX	0x00C2
+#define CFI_MFR_NEC		0x0010
+#define CFI_MFR_PMC		0x009D
 #define CFI_MFR_SAMSUNG		0x00EC
+#define CFI_MFR_SHARP		0x00B0
 #define CFI_MFR_SST		0x00BF
 #define CFI_MFR_ST		0x0020 /* STMicroelectronics */
+#define CFI_MFR_TOSHIBA		0x0098
+#define CFI_MFR_WINBOND		0x00DA
 
 void cfi_fixup(struct mtd_info *mtd, struct cfi_fixup* fixups);
 

From 7d84b6273c2a7805c042b398dcc01c98ad2ecf20 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Tue, 4 May 2010 16:15:11 +0300
Subject: [PATCH 1396/3638] mtd: jedec_probe: remove spaces before tabs

Nothing very important, this just makes git am stop producing warnings.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/jedec_probe.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index 04fb45cacc3..b2e6f2f79de 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -1331,7 +1331,7 @@ static const struct amd_flash_info jedec_table[] = {
 		}
 	}, {
 		.mfr_id		= CFI_MFR_SST,
- 		.dev_id 	= SST29EE020,
+		.dev_id		= SST29EE020,
 		.name		= "SST 29EE020",
 		.devtypes	= CFI_DEVICETYPE_X8,
 		.uaddr		= MTD_UADDR_0x5555_0x2AAA,
@@ -1341,9 +1341,9 @@ static const struct amd_flash_info jedec_table[] = {
 		.regions = {ERASEINFO(0x01000,64),
 		}
 	}, {
- 		.mfr_id		= CFI_MFR_SST,
+		.mfr_id		= CFI_MFR_SST,
 		.dev_id		= SST29LE020,
- 		.name		= "SST 29LE020",
+		.name		= "SST 29LE020",
 		.devtypes	= CFI_DEVICETYPE_X8,
 		.uaddr		= MTD_UADDR_0x5555_0x2AAA,
 		.dev_size	= SIZE_256KiB,
@@ -1951,7 +1951,7 @@ static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
 	p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
 	p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
 
-	return 1; 	/* ok */
+	return 1;	/* ok */
 }
 
 

From 6a88c47bd528cb0f82692986a3ca57b3695d9c60 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Wed, 28 Apr 2010 17:46:45 +0200
Subject: [PATCH 1397/3638] mtd: onenand: add support for chips with 4KiB page
 size

This patch adds support for OneNAND chips that have 4KiB page size.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/onenand_base.c | 32 ++++++++++++++++++------------
 include/linux/mtd/onenand.h        |  4 ++++
 2 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 32f0ed33afe..1b26f50e159 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -397,7 +397,8 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le
 		value = onenand_bufferram_address(this, block);
 		this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2);
 
-		if (ONENAND_IS_MLC(this) || ONENAND_IS_2PLANE(this))
+		if (ONENAND_IS_MLC(this) || ONENAND_IS_2PLANE(this) ||
+		    ONENAND_IS_4KB_PAGE(this))
 			/* It is always BufferRAM0 */
 			ONENAND_SET_BUFFERRAM0(this);
 		else
@@ -426,7 +427,7 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le
 		case FLEXONENAND_CMD_RECOVER_LSB:
 		case ONENAND_CMD_READ:
 		case ONENAND_CMD_READOOB:
-			if (ONENAND_IS_MLC(this))
+			if (ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this))
 				/* It is always BufferRAM0 */
 				dataram = ONENAND_SET_BUFFERRAM0(this);
 			else
@@ -466,11 +467,11 @@ static inline int onenand_read_ecc(struct onenand_chip *this)
 {
 	int ecc, i, result = 0;
 
-	if (!FLEXONENAND(this))
+	if (!FLEXONENAND(this) && !ONENAND_IS_4KB_PAGE(this))
 		return this->read_word(this->base + ONENAND_REG_ECC_STATUS);
 
 	for (i = 0; i < 4; i++) {
-		ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS + i);
+		ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS + i*2);
 		if (likely(!ecc))
 			continue;
 		if (ecc & FLEXONENAND_UNCORRECTABLE_ERROR)
@@ -1425,7 +1426,7 @@ static int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
 	int ret;
 
 	onenand_get_device(mtd, FL_READING);
-	ret = ONENAND_IS_MLC(this) ?
+	ret = ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this) ?
 		onenand_mlc_read_ops_nolock(mtd, from, &ops) :
 		onenand_read_ops_nolock(mtd, from, &ops);
 	onenand_release_device(mtd);
@@ -1460,7 +1461,7 @@ static int onenand_read_oob(struct mtd_info *mtd, loff_t from,
 
 	onenand_get_device(mtd, FL_READING);
 	if (ops->datbuf)
-		ret = ONENAND_IS_MLC(this) ?
+		ret = ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this) ?
 			onenand_mlc_read_ops_nolock(mtd, from, ops) :
 			onenand_read_ops_nolock(mtd, from, ops);
 	else
@@ -1926,7 +1927,7 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to,
 		 * 2 PLANE, MLC, and Flex-OneNAND do not support
 		 * write-while-program feature.
 		 */
-		if (!ONENAND_IS_2PLANE(this) && !first) {
+		if (!ONENAND_IS_2PLANE(this) && !ONENAND_IS_4KB_PAGE(this) && !first) {
 			ONENAND_SET_PREV_BUFFERRAM(this);
 
 			ret = this->wait(mtd, FL_WRITING);
@@ -1957,7 +1958,7 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to,
 		/*
 		 * 2 PLANE, MLC, and Flex-OneNAND wait here
 		 */
-		if (ONENAND_IS_2PLANE(this)) {
+		if (ONENAND_IS_2PLANE(this) || ONENAND_IS_4KB_PAGE(this)) {
 			ret = this->wait(mtd, FL_WRITING);
 
 			/* In partial page write we don't update bufferram */
@@ -2084,7 +2085,7 @@ static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to,
 			memcpy(oobbuf + column, buf, thislen);
 		this->write_bufferram(mtd, ONENAND_SPARERAM, oobbuf, 0, mtd->oobsize);
 
-		if (ONENAND_IS_MLC(this)) {
+		if (ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this)) {
 			/* Set main area of DataRAM to 0xff*/
 			memset(this->page_buf, 0xff, mtd->writesize);
 			this->write_bufferram(mtd, ONENAND_DATARAM,
@@ -3027,7 +3028,7 @@ static int do_otp_read(struct mtd_info *mtd, loff_t from, size_t len,
 	this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0);
 	this->wait(mtd, FL_OTPING);
 
-	ret = ONENAND_IS_MLC(this) ?
+	ret = ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this) ?
 		onenand_mlc_read_ops_nolock(mtd, from, &ops) :
 		onenand_read_ops_nolock(mtd, from, &ops);
 
@@ -3372,7 +3373,10 @@ static void onenand_check_features(struct mtd_info *mtd)
 	/* Lock scheme */
 	switch (density) {
 	case ONENAND_DEVICE_DENSITY_4Gb:
-		this->options |= ONENAND_HAS_2PLANE;
+		if (ONENAND_IS_DDP(this))
+			this->options |= ONENAND_HAS_2PLANE;
+		else
+			this->options |= ONENAND_HAS_4KB_PAGE;
 
 	case ONENAND_DEVICE_DENSITY_2Gb:
 		/* 2Gb DDP does not have 2 plane */
@@ -3393,7 +3397,7 @@ static void onenand_check_features(struct mtd_info *mtd)
 		break;
 	}
 
-	if (ONENAND_IS_MLC(this))
+	if (ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this))
 		this->options &= ~ONENAND_HAS_2PLANE;
 
 	if (FLEXONENAND(this)) {
@@ -3407,6 +3411,8 @@ static void onenand_check_features(struct mtd_info *mtd)
 		printk(KERN_DEBUG "Chip support all block unlock\n");
 	if (this->options & ONENAND_HAS_2PLANE)
 		printk(KERN_DEBUG "Chip has 2 plane\n");
+	if (this->options & ONENAND_HAS_4KB_PAGE)
+		printk(KERN_DEBUG "Chip has 4KiB pagesize\n");
 }
 
 /**
@@ -3799,7 +3805,7 @@ static int onenand_probe(struct mtd_info *mtd)
 	/* The data buffer size is equal to page size */
 	mtd->writesize = this->read_word(this->base + ONENAND_REG_DATA_BUFFER_SIZE);
 	/* We use the full BufferRAM */
-	if (ONENAND_IS_MLC(this))
+	if (ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this))
 		mtd->writesize <<= 1;
 
 	mtd->oobsize = mtd->writesize >> 5;
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 5509eb06b32..c9a3c3596b6 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -175,10 +175,14 @@ struct onenand_chip {
 #define ONENAND_HAS_CONT_LOCK		(0x0001)
 #define ONENAND_HAS_UNLOCK_ALL		(0x0002)
 #define ONENAND_HAS_2PLANE		(0x0004)
+#define ONENAND_HAS_4KB_PAGE		(0x0008)
 #define ONENAND_SKIP_UNLOCK_CHECK	(0x0100)
 #define ONENAND_PAGEBUF_ALLOC		(0x1000)
 #define ONENAND_OOBBUF_ALLOC		(0x2000)
 
+#define ONENAND_IS_4KB_PAGE(this)					\
+	(this->options & ONENAND_HAS_4KB_PAGE)
+
 /*
  * OneNAND Flash Manufacturer ID Codes
  */

From 4a8ce0b030716b95004a4ace969953bc3ad7d2fe Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Wed, 28 Apr 2010 17:46:46 +0200
Subject: [PATCH 1398/3638] mtd: onenand: allocate verify buffer in the core

This patch extends OneNAND core code with support for OneNAND verify
write check. This is done by allocating the buffer for verify read
directly from the core code.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/onenand_base.c | 13 ++++++++++++-
 include/linux/mtd/onenand.h        |  3 +++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 1b26f50e159..045811f2149 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3932,6 +3932,13 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
 				__func__);
 			return -ENOMEM;
 		}
+#ifdef CONFIG_MTD_ONENAND_VERIFY_WRITE
+		this->verify_buf = kzalloc(mtd->writesize, GFP_KERNEL);
+		if (!this->verify_buf) {
+			kfree(this->page_buf);
+			return -ENOMEM;
+		}
+#endif
 		this->options |= ONENAND_PAGEBUF_ALLOC;
 	}
 	if (!this->oob_buf) {
@@ -4059,8 +4066,12 @@ void onenand_release(struct mtd_info *mtd)
 		kfree(this->bbm);
 	}
 	/* Buffers allocated by onenand_scan */
-	if (this->options & ONENAND_PAGEBUF_ALLOC)
+	if (this->options & ONENAND_PAGEBUF_ALLOC) {
 		kfree(this->page_buf);
+#ifdef CONFIG_MTD_ONENAND_VERIFY_WRITE
+		kfree(this->verify_buf);
+#endif
+	}
 	if (this->options & ONENAND_OOBBUF_ALLOC)
 		kfree(this->oob_buf);
 	kfree(mtd->eraseregions);
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index c9a3c3596b6..9b43268224a 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -125,6 +125,9 @@ struct onenand_chip {
 	flstate_t		state;
 	unsigned char		*page_buf;
 	unsigned char		*oob_buf;
+#ifdef CONFIG_MTD_ONENAND_VERIFY_WRITE
+	unsigned char		*verify_buf;
+#endif
 
 	int			subpagesize;
 	struct nand_ecclayout	*ecclayout;

From 3328dc315914aa6db486da2ceb021b6f0b36b877 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Wed, 28 Apr 2010 17:46:47 +0200
Subject: [PATCH 1399/3638] mtd: onenand: add new callback for bufferram read

This patch adds a new callback for the underlying drivers, which is
called instead of accessing the buffer ram directly. This callback will
be used by Samsung OneNAND driver to implement DMA transfers on S5PC110
SoC.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/onenand_base.c | 6 ++----
 include/linux/mtd/onenand.h        | 2 ++
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 045811f2149..9827ab779c0 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1635,7 +1635,6 @@ static int onenand_verify_oob(struct mtd_info *mtd, const u_char *buf, loff_t to
 static int onenand_verify(struct mtd_info *mtd, const u_char *buf, loff_t addr, size_t len)
 {
 	struct onenand_chip *this = mtd->priv;
-	void __iomem *dataram;
 	int ret = 0;
 	int thislen, column;
 
@@ -1655,10 +1654,9 @@ static int onenand_verify(struct mtd_info *mtd, const u_char *buf, loff_t addr,
 
 		onenand_update_bufferram(mtd, addr, 1);
 
-		dataram = this->base + ONENAND_DATARAM;
-		dataram += onenand_bufferram_offset(mtd, ONENAND_DATARAM);
+		this->read_bufferram(mtd, ONENAND_DATARAM, this->verify_buf, 0, mtd->writesize);
 
-		if (memcmp(buf, dataram + column, thislen))
+		if (memcmp(buf, this->verify_buf, thislen))
 			return -EBADMSG;
 
 		len -= thislen;
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 9b43268224a..c26ff86ad08 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -212,6 +212,8 @@ struct mtd_partition;
 
 struct onenand_platform_data {
 	void		(*mmcontrol)(struct mtd_info *mtd, int sync_read);
+	int		(*read_bufferram)(struct mtd_info *mtd, int area,
+			unsigned char *buffer, int offset, size_t count);
 	struct mtd_partition *parts;
 	unsigned int	nr_parts;
 };

From c37cb56fb15d0f8e4180b19eed20f52fe8641b54 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Wed, 28 Apr 2010 17:46:48 +0200
Subject: [PATCH 1400/3638] mtd: onenand: add workaround for SYNC_WRITE mode

Some chips fails to identify properly when SYNC_WRITE mode is enabled
(the example is OneNAND on S5PC110 SoC). This patch adds a workaround
for such chips.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/onenand_base.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 9827ab779c0..26caf2590da 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3763,6 +3763,12 @@ static int onenand_probe(struct mtd_info *mtd)
 	/* Restore system configuration 1 */
 	this->write_word(syscfg, this->base + ONENAND_REG_SYS_CFG1);
 
+	/* Workaround */
+	if (syscfg & ONENAND_SYS_CFG1_SYNC_WRITE) {
+		bram_maf_id = this->read_word(this->base + ONENAND_REG_MANUFACTURER_ID);
+		bram_dev_id = this->read_word(this->base + ONENAND_REG_DEVICE_ID);
+	}
+
 	/* Check manufacturer ID */
 	if (onenand_check_maf(bram_maf_id))
 		return -ENXIO;
@@ -3782,6 +3788,9 @@ static int onenand_probe(struct mtd_info *mtd)
 	this->device_id = dev_id;
 	this->version_id = ver_id;
 
+	/* Check OneNAND features */
+	onenand_check_features(mtd);
+
 	density = onenand_get_density(dev_id);
 	if (FLEXONENAND(this)) {
 		this->dies = ONENAND_IS_DDP(this) ? 2 : 1;
@@ -3833,9 +3842,6 @@ static int onenand_probe(struct mtd_info *mtd)
 	else
 		mtd->size = this->chipsize;
 
-	/* Check OneNAND features */
-	onenand_check_features(mtd);
-
 	/*
 	 * We emulate the 4KiB page and 256KiB erase block size
 	 * But oobsize is still 64 bytes.

From 46f3e88bd9da010e76a9049d55cf9013560b5903 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Wed, 28 Apr 2010 17:46:49 +0200
Subject: [PATCH 1401/3638] mtd: add Samsung SoC OneNAND driver

This patch adds a driver for OneNAND controller on Samsung SoCs.
Following SoCs are supported: S3C6400, S3C6410, S5PC100 and S5PC110.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/Kconfig   |    7 +
 drivers/mtd/onenand/Makefile  |    1 +
 drivers/mtd/onenand/samsung.c | 1071 +++++++++++++++++++++++++++++++++
 3 files changed, 1079 insertions(+)
 create mode 100644 drivers/mtd/onenand/samsung.c

diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig
index 3a9f1578460..9a49d68ba5f 100644
--- a/drivers/mtd/onenand/Kconfig
+++ b/drivers/mtd/onenand/Kconfig
@@ -30,6 +30,13 @@ config MTD_ONENAND_OMAP2
 	  Support for a OneNAND flash device connected to an OMAP2/OMAP3 CPU
 	  via the GPMC memory controller.
 
+config MTD_ONENAND_SAMSUNG
+        tristate "OneNAND on Samsung SOC controller support"
+        depends on MTD_ONENAND && (ARCH_S3C64XX || ARCH_S5PC100 || ARCH_S5PV210)
+        help
+          Support for a OneNAND flash device connected to an Samsung SOC
+          S3C64XX/S5PC1XX controller.
+
 config MTD_ONENAND_OTP
 	bool "OneNAND OTP Support"
 	select HAVE_MTD_OTP
diff --git a/drivers/mtd/onenand/Makefile b/drivers/mtd/onenand/Makefile
index 64b6cc61a52..2b7884c7577 100644
--- a/drivers/mtd/onenand/Makefile
+++ b/drivers/mtd/onenand/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_MTD_ONENAND)		+= onenand.o
 # Board specific.
 obj-$(CONFIG_MTD_ONENAND_GENERIC)	+= generic.o
 obj-$(CONFIG_MTD_ONENAND_OMAP2)		+= omap2.o
+obj-$(CONFIG_MTD_ONENAND_SAMSUNG)       += samsung.o
 
 # Simulator
 obj-$(CONFIG_MTD_ONENAND_SIM)		+= onenand_sim.o
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
new file mode 100644
index 00000000000..2750317cb58
--- /dev/null
+++ b/drivers/mtd/onenand/samsung.c
@@ -0,0 +1,1071 @@
+/*
+ * Samsung S3C64XX/S5PC1XX OneNAND driver
+ *
+ *  Copyright © 2008-2010 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *  Marek Szyprowski <m.szyprowski@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Implementation:
+ *	S3C64XX and S5PC100: emulate the pseudo BufferRAM
+ *	S5PC110: use DMA
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/mach/flash.h>
+#include <plat/regs-onenand.h>
+
+#include <linux/io.h>
+
+enum soc_type {
+	TYPE_S3C6400,
+	TYPE_S3C6410,
+	TYPE_S5PC100,
+	TYPE_S5PC110,
+};
+
+#define ONENAND_ERASE_STATUS		0x00
+#define ONENAND_MULTI_ERASE_SET		0x01
+#define ONENAND_ERASE_START		0x03
+#define ONENAND_UNLOCK_START		0x08
+#define ONENAND_UNLOCK_END		0x09
+#define ONENAND_LOCK_START		0x0A
+#define ONENAND_LOCK_END		0x0B
+#define ONENAND_LOCK_TIGHT_START	0x0C
+#define ONENAND_LOCK_TIGHT_END		0x0D
+#define ONENAND_UNLOCK_ALL		0x0E
+#define ONENAND_OTP_ACCESS		0x12
+#define ONENAND_SPARE_ACCESS_ONLY	0x13
+#define ONENAND_MAIN_ACCESS_ONLY	0x14
+#define ONENAND_ERASE_VERIFY		0x15
+#define ONENAND_MAIN_SPARE_ACCESS	0x16
+#define ONENAND_PIPELINE_READ		0x4000
+
+#define MAP_00				(0x0)
+#define MAP_01				(0x1)
+#define MAP_10				(0x2)
+#define MAP_11				(0x3)
+
+#define S3C64XX_CMD_MAP_SHIFT		24
+#define S5PC1XX_CMD_MAP_SHIFT		26
+
+#define S3C6400_FBA_SHIFT		10
+#define S3C6400_FPA_SHIFT		4
+#define S3C6400_FSA_SHIFT		2
+
+#define S3C6410_FBA_SHIFT		12
+#define S3C6410_FPA_SHIFT		6
+#define S3C6410_FSA_SHIFT		4
+
+#define S5PC100_FBA_SHIFT		13
+#define S5PC100_FPA_SHIFT		7
+#define S5PC100_FSA_SHIFT		5
+
+/* S5PC110 specific definitions */
+#define S5PC110_DMA_SRC_ADDR		0x400
+#define S5PC110_DMA_SRC_CFG		0x404
+#define S5PC110_DMA_DST_ADDR		0x408
+#define S5PC110_DMA_DST_CFG		0x40C
+#define S5PC110_DMA_TRANS_SIZE		0x414
+#define S5PC110_DMA_TRANS_CMD		0x418
+#define S5PC110_DMA_TRANS_STATUS	0x41C
+#define S5PC110_DMA_TRANS_DIR		0x420
+
+#define S5PC110_DMA_CFG_SINGLE		(0x0 << 16)
+#define S5PC110_DMA_CFG_4BURST		(0x2 << 16)
+#define S5PC110_DMA_CFG_8BURST		(0x3 << 16)
+#define S5PC110_DMA_CFG_16BURST		(0x4 << 16)
+
+#define S5PC110_DMA_CFG_INC		(0x0 << 8)
+#define S5PC110_DMA_CFG_CNT		(0x1 << 8)
+
+#define S5PC110_DMA_CFG_8BIT		(0x0 << 0)
+#define S5PC110_DMA_CFG_16BIT		(0x1 << 0)
+#define S5PC110_DMA_CFG_32BIT		(0x2 << 0)
+
+#define S5PC110_DMA_SRC_CFG_READ	(S5PC110_DMA_CFG_16BURST | \
+					S5PC110_DMA_CFG_INC | \
+					S5PC110_DMA_CFG_16BIT)
+#define S5PC110_DMA_DST_CFG_READ	(S5PC110_DMA_CFG_16BURST | \
+					S5PC110_DMA_CFG_INC | \
+					S5PC110_DMA_CFG_32BIT)
+#define S5PC110_DMA_SRC_CFG_WRITE	(S5PC110_DMA_CFG_16BURST | \
+					S5PC110_DMA_CFG_INC | \
+					S5PC110_DMA_CFG_32BIT)
+#define S5PC110_DMA_DST_CFG_WRITE	(S5PC110_DMA_CFG_16BURST | \
+					S5PC110_DMA_CFG_INC | \
+					S5PC110_DMA_CFG_16BIT)
+
+#define S5PC110_DMA_TRANS_CMD_TDC	(0x1 << 18)
+#define S5PC110_DMA_TRANS_CMD_TEC	(0x1 << 16)
+#define S5PC110_DMA_TRANS_CMD_TR	(0x1 << 0)
+
+#define S5PC110_DMA_TRANS_STATUS_TD	(0x1 << 18)
+#define S5PC110_DMA_TRANS_STATUS_TB	(0x1 << 17)
+#define S5PC110_DMA_TRANS_STATUS_TE	(0x1 << 16)
+
+#define S5PC110_DMA_DIR_READ		0x0
+#define S5PC110_DMA_DIR_WRITE		0x1
+
+struct s3c_onenand {
+	struct mtd_info	*mtd;
+	struct platform_device	*pdev;
+	enum soc_type	type;
+	void __iomem	*base;
+	struct resource *base_res;
+	void __iomem	*ahb_addr;
+	struct resource *ahb_res;
+	int		bootram_command;
+	void __iomem	*page_buf;
+	void __iomem	*oob_buf;
+	unsigned int	(*mem_addr)(int fba, int fpa, int fsa);
+	unsigned int	(*cmd_map)(unsigned int type, unsigned int val);
+	void __iomem	*dma_addr;
+	struct resource *dma_res;
+	unsigned long	phys_base;
+#ifdef CONFIG_MTD_PARTITIONS
+	struct mtd_partition *parts;
+#endif
+};
+
+#define CMD_MAP_00(dev, addr)		(dev->cmd_map(MAP_00, ((addr) << 1)))
+#define CMD_MAP_01(dev, mem_addr)	(dev->cmd_map(MAP_01, (mem_addr)))
+#define CMD_MAP_10(dev, mem_addr)	(dev->cmd_map(MAP_10, (mem_addr)))
+#define CMD_MAP_11(dev, addr)		(dev->cmd_map(MAP_11, ((addr) << 2)))
+
+static struct s3c_onenand *onenand;
+
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *part_probes[] = { "cmdlinepart", NULL, };
+#endif
+
+static inline int s3c_read_reg(int offset)
+{
+	return readl(onenand->base + offset);
+}
+
+static inline void s3c_write_reg(int value, int offset)
+{
+	writel(value, onenand->base + offset);
+}
+
+static inline int s3c_read_cmd(unsigned int cmd)
+{
+	return readl(onenand->ahb_addr + cmd);
+}
+
+static inline void s3c_write_cmd(int value, unsigned int cmd)
+{
+	writel(value, onenand->ahb_addr + cmd);
+}
+
+#ifdef SAMSUNG_DEBUG
+static void s3c_dump_reg(void)
+{
+	int i;
+
+	for (i = 0; i < 0x400; i += 0x40) {
+		printk(KERN_INFO "0x%08X: 0x%08x 0x%08x 0x%08x 0x%08x\n",
+			(unsigned int) onenand->base + i,
+			s3c_read_reg(i), s3c_read_reg(i + 0x10),
+			s3c_read_reg(i + 0x20), s3c_read_reg(i + 0x30));
+	}
+}
+#endif
+
+static unsigned int s3c64xx_cmd_map(unsigned type, unsigned val)
+{
+	return (type << S3C64XX_CMD_MAP_SHIFT) | val;
+}
+
+static unsigned int s5pc1xx_cmd_map(unsigned type, unsigned val)
+{
+	return (type << S5PC1XX_CMD_MAP_SHIFT) | val;
+}
+
+static unsigned int s3c6400_mem_addr(int fba, int fpa, int fsa)
+{
+	return (fba << S3C6400_FBA_SHIFT) | (fpa << S3C6400_FPA_SHIFT) |
+		(fsa << S3C6400_FSA_SHIFT);
+}
+
+static unsigned int s3c6410_mem_addr(int fba, int fpa, int fsa)
+{
+	return (fba << S3C6410_FBA_SHIFT) | (fpa << S3C6410_FPA_SHIFT) |
+		(fsa << S3C6410_FSA_SHIFT);
+}
+
+static unsigned int s5pc100_mem_addr(int fba, int fpa, int fsa)
+{
+	return (fba << S5PC100_FBA_SHIFT) | (fpa << S5PC100_FPA_SHIFT) |
+		(fsa << S5PC100_FSA_SHIFT);
+}
+
+static void s3c_onenand_reset(void)
+{
+	unsigned long timeout = 0x10000;
+	int stat;
+
+	s3c_write_reg(ONENAND_MEM_RESET_COLD, MEM_RESET_OFFSET);
+	while (1 && timeout--) {
+		stat = s3c_read_reg(INT_ERR_STAT_OFFSET);
+		if (stat & RST_CMP)
+			break;
+	}
+	stat = s3c_read_reg(INT_ERR_STAT_OFFSET);
+	s3c_write_reg(stat, INT_ERR_ACK_OFFSET);
+
+	/* Clear interrupt */
+	s3c_write_reg(0x0, INT_ERR_ACK_OFFSET);
+	/* Clear the ECC status */
+	s3c_write_reg(0x0, ECC_ERR_STAT_OFFSET);
+}
+
+static unsigned short s3c_onenand_readw(void __iomem *addr)
+{
+	struct onenand_chip *this = onenand->mtd->priv;
+	struct device *dev = &onenand->pdev->dev;
+	int reg = addr - this->base;
+	int word_addr = reg >> 1;
+	int value;
+
+	/* It's used for probing time */
+	switch (reg) {
+	case ONENAND_REG_MANUFACTURER_ID:
+		return s3c_read_reg(MANUFACT_ID_OFFSET);
+	case ONENAND_REG_DEVICE_ID:
+		return s3c_read_reg(DEVICE_ID_OFFSET);
+	case ONENAND_REG_VERSION_ID:
+		return s3c_read_reg(FLASH_VER_ID_OFFSET);
+	case ONENAND_REG_DATA_BUFFER_SIZE:
+		return s3c_read_reg(DATA_BUF_SIZE_OFFSET);
+	case ONENAND_REG_TECHNOLOGY:
+		return s3c_read_reg(TECH_OFFSET);
+	case ONENAND_REG_SYS_CFG1:
+		return s3c_read_reg(MEM_CFG_OFFSET);
+
+	/* Used at unlock all status */
+	case ONENAND_REG_CTRL_STATUS:
+		return 0;
+
+	case ONENAND_REG_WP_STATUS:
+		return ONENAND_WP_US;
+
+	default:
+		break;
+	}
+
+	/* BootRAM access control */
+	if ((unsigned int) addr < ONENAND_DATARAM && onenand->bootram_command) {
+		if (word_addr == 0)
+			return s3c_read_reg(MANUFACT_ID_OFFSET);
+		if (word_addr == 1)
+			return s3c_read_reg(DEVICE_ID_OFFSET);
+		if (word_addr == 2)
+			return s3c_read_reg(FLASH_VER_ID_OFFSET);
+	}
+
+	value = s3c_read_cmd(CMD_MAP_11(onenand, word_addr)) & 0xffff;
+	dev_info(dev, "%s: Illegal access at reg 0x%x, value 0x%x\n", __func__,
+		 word_addr, value);
+	return value;
+}
+
+static void s3c_onenand_writew(unsigned short value, void __iomem *addr)
+{
+	struct onenand_chip *this = onenand->mtd->priv;
+	struct device *dev = &onenand->pdev->dev;
+	unsigned int reg = addr - this->base;
+	unsigned int word_addr = reg >> 1;
+
+	/* It's used for probing time */
+	switch (reg) {
+	case ONENAND_REG_SYS_CFG1:
+		s3c_write_reg(value, MEM_CFG_OFFSET);
+		return;
+
+	case ONENAND_REG_START_ADDRESS1:
+	case ONENAND_REG_START_ADDRESS2:
+		return;
+
+	/* Lock/lock-tight/unlock/unlock_all */
+	case ONENAND_REG_START_BLOCK_ADDRESS:
+		return;
+
+	default:
+		break;
+	}
+
+	/* BootRAM access control */
+	if ((unsigned int)addr < ONENAND_DATARAM) {
+		if (value == ONENAND_CMD_READID) {
+			onenand->bootram_command = 1;
+			return;
+		}
+		if (value == ONENAND_CMD_RESET) {
+			s3c_write_reg(ONENAND_MEM_RESET_COLD, MEM_RESET_OFFSET);
+			onenand->bootram_command = 0;
+			return;
+		}
+	}
+
+	dev_info(dev, "%s: Illegal access at reg 0x%x, value 0x%x\n", __func__,
+		 word_addr, value);
+
+	s3c_write_cmd(value, CMD_MAP_11(onenand, word_addr));
+}
+
+static int s3c_onenand_wait(struct mtd_info *mtd, int state)
+{
+	struct device *dev = &onenand->pdev->dev;
+	unsigned int flags = INT_ACT;
+	unsigned int stat, ecc;
+	unsigned long timeout;
+
+	switch (state) {
+	case FL_READING:
+		flags |= BLK_RW_CMP | LOAD_CMP;
+		break;
+	case FL_WRITING:
+		flags |= BLK_RW_CMP | PGM_CMP;
+		break;
+	case FL_ERASING:
+		flags |= BLK_RW_CMP | ERS_CMP;
+		break;
+	case FL_LOCKING:
+		flags |= BLK_RW_CMP;
+		break;
+	default:
+		break;
+	}
+
+	/* The 20 msec is enough */
+	timeout = jiffies + msecs_to_jiffies(20);
+	while (time_before(jiffies, timeout)) {
+		stat = s3c_read_reg(INT_ERR_STAT_OFFSET);
+		if (stat & flags)
+			break;
+
+		if (state != FL_READING)
+			cond_resched();
+	}
+	/* To get correct interrupt status in timeout case */
+	stat = s3c_read_reg(INT_ERR_STAT_OFFSET);
+	s3c_write_reg(stat, INT_ERR_ACK_OFFSET);
+
+	/*
+	 * In the Spec. it checks the controller status first
+	 * However if you get the correct information in case of
+	 * power off recovery (POR) test, it should read ECC status first
+	 */
+	if (stat & LOAD_CMP) {
+		ecc = s3c_read_reg(ECC_ERR_STAT_OFFSET);
+		if (ecc & ONENAND_ECC_4BIT_UNCORRECTABLE) {
+			dev_info(dev, "%s: ECC error = 0x%04x\n", __func__,
+				 ecc);
+			mtd->ecc_stats.failed++;
+			return -EBADMSG;
+		}
+	}
+
+	if (stat & (LOCKED_BLK | ERS_FAIL | PGM_FAIL | LD_FAIL_ECC_ERR)) {
+		dev_info(dev, "%s: controller error = 0x%04x\n", __func__,
+			 stat);
+		if (stat & LOCKED_BLK)
+			dev_info(dev, "%s: it's locked error = 0x%04x\n",
+				 __func__, stat);
+
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int s3c_onenand_command(struct mtd_info *mtd, int cmd, loff_t addr,
+			       size_t len)
+{
+	struct onenand_chip *this = mtd->priv;
+	unsigned int *m, *s;
+	int fba, fpa, fsa = 0;
+	unsigned int mem_addr, cmd_map_01, cmd_map_10;
+	int i, mcount, scount;
+	int index;
+
+	fba = (int) (addr >> this->erase_shift);
+	fpa = (int) (addr >> this->page_shift);
+	fpa &= this->page_mask;
+
+	mem_addr = onenand->mem_addr(fba, fpa, fsa);
+	cmd_map_01 = CMD_MAP_01(onenand, mem_addr);
+	cmd_map_10 = CMD_MAP_10(onenand, mem_addr);
+
+	switch (cmd) {
+	case ONENAND_CMD_READ:
+	case ONENAND_CMD_READOOB:
+	case ONENAND_CMD_BUFFERRAM:
+		ONENAND_SET_NEXT_BUFFERRAM(this);
+	default:
+		break;
+	}
+
+	index = ONENAND_CURRENT_BUFFERRAM(this);
+
+	/*
+	 * Emulate Two BufferRAMs and access with 4 bytes pointer
+	 */
+	m = (unsigned int *) onenand->page_buf;
+	s = (unsigned int *) onenand->oob_buf;
+
+	if (index) {
+		m += (this->writesize >> 2);
+		s += (mtd->oobsize >> 2);
+	}
+
+	mcount = mtd->writesize >> 2;
+	scount = mtd->oobsize >> 2;
+
+	switch (cmd) {
+	case ONENAND_CMD_READ:
+		/* Main */
+		for (i = 0; i < mcount; i++)
+			*m++ = s3c_read_cmd(cmd_map_01);
+		return 0;
+
+	case ONENAND_CMD_READOOB:
+		s3c_write_reg(TSRF, TRANS_SPARE_OFFSET);
+		/* Main */
+		for (i = 0; i < mcount; i++)
+			*m++ = s3c_read_cmd(cmd_map_01);
+
+		/* Spare */
+		for (i = 0; i < scount; i++)
+			*s++ = s3c_read_cmd(cmd_map_01);
+
+		s3c_write_reg(0, TRANS_SPARE_OFFSET);
+		return 0;
+
+	case ONENAND_CMD_PROG:
+		/* Main */
+		for (i = 0; i < mcount; i++)
+			s3c_write_cmd(*m++, cmd_map_01);
+		return 0;
+
+	case ONENAND_CMD_PROGOOB:
+		s3c_write_reg(TSRF, TRANS_SPARE_OFFSET);
+
+		/* Main - dummy write */
+		for (i = 0; i < mcount; i++)
+			s3c_write_cmd(0xffffffff, cmd_map_01);
+
+		/* Spare */
+		for (i = 0; i < scount; i++)
+			s3c_write_cmd(*s++, cmd_map_01);
+
+		s3c_write_reg(0, TRANS_SPARE_OFFSET);
+		return 0;
+
+	case ONENAND_CMD_UNLOCK_ALL:
+		s3c_write_cmd(ONENAND_UNLOCK_ALL, cmd_map_10);
+		return 0;
+
+	case ONENAND_CMD_ERASE:
+		s3c_write_cmd(ONENAND_ERASE_START, cmd_map_10);
+		return 0;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static unsigned char *s3c_get_bufferram(struct mtd_info *mtd, int area)
+{
+	struct onenand_chip *this = mtd->priv;
+	int index = ONENAND_CURRENT_BUFFERRAM(this);
+	unsigned char *p;
+
+	if (area == ONENAND_DATARAM) {
+		p = (unsigned char *) onenand->page_buf;
+		if (index == 1)
+			p += this->writesize;
+	} else {
+		p = (unsigned char *) onenand->oob_buf;
+		if (index == 1)
+			p += mtd->oobsize;
+	}
+
+	return p;
+}
+
+static int onenand_read_bufferram(struct mtd_info *mtd, int area,
+				  unsigned char *buffer, int offset,
+				  size_t count)
+{
+	unsigned char *p;
+
+	p = s3c_get_bufferram(mtd, area);
+	memcpy(buffer, p + offset, count);
+	return 0;
+}
+
+static int onenand_write_bufferram(struct mtd_info *mtd, int area,
+				   const unsigned char *buffer, int offset,
+				   size_t count)
+{
+	unsigned char *p;
+
+	p = s3c_get_bufferram(mtd, area);
+	memcpy(p + offset, buffer, count);
+	return 0;
+}
+
+static int s5pc110_dma_ops(void *dst, void *src, size_t count, int direction)
+{
+	void __iomem *base = onenand->dma_addr;
+	int status;
+
+	writel(src, base + S5PC110_DMA_SRC_ADDR);
+	writel(dst, base + S5PC110_DMA_DST_ADDR);
+
+	if (direction == S5PC110_DMA_DIR_READ) {
+		writel(S5PC110_DMA_SRC_CFG_READ, base + S5PC110_DMA_SRC_CFG);
+		writel(S5PC110_DMA_DST_CFG_READ, base + S5PC110_DMA_DST_CFG);
+	} else {
+		writel(S5PC110_DMA_SRC_CFG_WRITE, base + S5PC110_DMA_SRC_CFG);
+		writel(S5PC110_DMA_DST_CFG_WRITE, base + S5PC110_DMA_DST_CFG);
+	}
+
+	writel(count, base + S5PC110_DMA_TRANS_SIZE);
+	writel(direction, base + S5PC110_DMA_TRANS_DIR);
+
+	writel(S5PC110_DMA_TRANS_CMD_TR, base + S5PC110_DMA_TRANS_CMD);
+
+	do {
+		status = readl(base + S5PC110_DMA_TRANS_STATUS);
+	} while (!(status & S5PC110_DMA_TRANS_STATUS_TD));
+
+	if (status & S5PC110_DMA_TRANS_STATUS_TE) {
+		writel(S5PC110_DMA_TRANS_CMD_TEC, base + S5PC110_DMA_TRANS_CMD);
+		writel(S5PC110_DMA_TRANS_CMD_TDC, base + S5PC110_DMA_TRANS_CMD);
+		return -EIO;
+	}
+
+	writel(S5PC110_DMA_TRANS_CMD_TDC, base + S5PC110_DMA_TRANS_CMD);
+
+	return 0;
+}
+
+static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
+		unsigned char *buffer, int offset, size_t count)
+{
+	struct onenand_chip *this = mtd->priv;
+	void __iomem *bufferram;
+	void __iomem *p;
+	void *buf = (void *) buffer;
+	dma_addr_t dma_src, dma_dst;
+	int err;
+
+	p = bufferram = this->base + area;
+	if (ONENAND_CURRENT_BUFFERRAM(this)) {
+		if (area == ONENAND_DATARAM)
+			p += this->writesize;
+		else
+			p += mtd->oobsize;
+	}
+
+	if (offset & 3 || (size_t) buf & 3 ||
+		!onenand->dma_addr || count != mtd->writesize)
+		goto normal;
+
+	/* Handle vmalloc address */
+	if (buf >= high_memory) {
+		struct page *page;
+
+		if (((size_t) buf & PAGE_MASK) !=
+		    ((size_t) (buf + count - 1) & PAGE_MASK))
+			goto normal;
+		page = vmalloc_to_page(buf);
+		if (!page)
+			goto normal;
+		buf = page_address(page) + ((size_t) buf & ~PAGE_MASK);
+	}
+
+	/* DMA routine */
+	dma_src = onenand->phys_base + (p - this->base);
+	dma_dst = dma_map_single(&onenand->pdev->dev,
+			buf, count, DMA_FROM_DEVICE);
+	if (dma_mapping_error(&onenand->pdev->dev, dma_dst)) {
+		dev_err(&onenand->pdev->dev,
+			"Couldn't map a %d byte buffer for DMA\n", count);
+		goto normal;
+	}
+	err = s5pc110_dma_ops((void *) dma_dst, (void *) dma_src,
+			count, S5PC110_DMA_DIR_READ);
+	dma_unmap_single(&onenand->pdev->dev, dma_dst, count, DMA_FROM_DEVICE);
+
+	if (!err)
+		return 0;
+
+normal:
+	if (count != mtd->writesize) {
+		/* Copy the bufferram to memory to prevent unaligned access */
+		memcpy(this->page_buf, bufferram, mtd->writesize);
+		p = this->page_buf + offset;
+	}
+
+	memcpy(buffer, p, count);
+
+	return 0;
+}
+
+static int s3c_onenand_bbt_wait(struct mtd_info *mtd, int state)
+{
+	unsigned int flags = INT_ACT | LOAD_CMP;
+	unsigned int stat;
+	unsigned long timeout;
+
+	/* The 20 msec is enough */
+	timeout = jiffies + msecs_to_jiffies(20);
+	while (time_before(jiffies, timeout)) {
+		stat = s3c_read_reg(INT_ERR_STAT_OFFSET);
+		if (stat & flags)
+			break;
+	}
+	/* To get correct interrupt status in timeout case */
+	stat = s3c_read_reg(INT_ERR_STAT_OFFSET);
+	s3c_write_reg(stat, INT_ERR_ACK_OFFSET);
+
+	if (stat & LD_FAIL_ECC_ERR) {
+		s3c_onenand_reset();
+		return ONENAND_BBT_READ_ERROR;
+	}
+
+	if (stat & LOAD_CMP) {
+		int ecc = s3c_read_reg(ECC_ERR_STAT_OFFSET);
+		if (ecc & ONENAND_ECC_4BIT_UNCORRECTABLE) {
+			s3c_onenand_reset();
+			return ONENAND_BBT_READ_ERROR;
+		}
+	}
+
+	return 0;
+}
+
+static void s3c_onenand_check_lock_status(struct mtd_info *mtd)
+{
+	struct onenand_chip *this = mtd->priv;
+	struct device *dev = &onenand->pdev->dev;
+	unsigned int block, end;
+	int tmp;
+
+	end = this->chipsize >> this->erase_shift;
+
+	for (block = 0; block < end; block++) {
+		unsigned int mem_addr = onenand->mem_addr(block, 0, 0);
+		tmp = s3c_read_cmd(CMD_MAP_01(onenand, mem_addr));
+
+		if (s3c_read_reg(INT_ERR_STAT_OFFSET) & LOCKED_BLK) {
+			dev_err(dev, "block %d is write-protected!\n", block);
+			s3c_write_reg(LOCKED_BLK, INT_ERR_ACK_OFFSET);
+		}
+	}
+}
+
+static void s3c_onenand_do_lock_cmd(struct mtd_info *mtd, loff_t ofs,
+				    size_t len, int cmd)
+{
+	struct onenand_chip *this = mtd->priv;
+	int start, end, start_mem_addr, end_mem_addr;
+
+	start = ofs >> this->erase_shift;
+	start_mem_addr = onenand->mem_addr(start, 0, 0);
+	end = start + (len >> this->erase_shift) - 1;
+	end_mem_addr = onenand->mem_addr(end, 0, 0);
+
+	if (cmd == ONENAND_CMD_LOCK) {
+		s3c_write_cmd(ONENAND_LOCK_START, CMD_MAP_10(onenand,
+							     start_mem_addr));
+		s3c_write_cmd(ONENAND_LOCK_END, CMD_MAP_10(onenand,
+							   end_mem_addr));
+	} else {
+		s3c_write_cmd(ONENAND_UNLOCK_START, CMD_MAP_10(onenand,
+							       start_mem_addr));
+		s3c_write_cmd(ONENAND_UNLOCK_END, CMD_MAP_10(onenand,
+							     end_mem_addr));
+	}
+
+	this->wait(mtd, FL_LOCKING);
+}
+
+static void s3c_unlock_all(struct mtd_info *mtd)
+{
+	struct onenand_chip *this = mtd->priv;
+	loff_t ofs = 0;
+	size_t len = this->chipsize;
+
+	if (this->options & ONENAND_HAS_UNLOCK_ALL) {
+		/* Write unlock command */
+		this->command(mtd, ONENAND_CMD_UNLOCK_ALL, 0, 0);
+
+		/* No need to check return value */
+		this->wait(mtd, FL_LOCKING);
+
+		/* Workaround for all block unlock in DDP */
+		if (!ONENAND_IS_DDP(this)) {
+			s3c_onenand_check_lock_status(mtd);
+			return;
+		}
+
+		/* All blocks on another chip */
+		ofs = this->chipsize >> 1;
+		len = this->chipsize >> 1;
+	}
+
+	s3c_onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_UNLOCK);
+
+	s3c_onenand_check_lock_status(mtd);
+}
+
+static void s3c_onenand_setup(struct mtd_info *mtd)
+{
+	struct onenand_chip *this = mtd->priv;
+
+	onenand->mtd = mtd;
+
+	if (onenand->type == TYPE_S3C6400) {
+		onenand->mem_addr = s3c6400_mem_addr;
+		onenand->cmd_map = s3c64xx_cmd_map;
+	} else if (onenand->type == TYPE_S3C6410) {
+		onenand->mem_addr = s3c6410_mem_addr;
+		onenand->cmd_map = s3c64xx_cmd_map;
+	} else if (onenand->type == TYPE_S5PC100) {
+		onenand->mem_addr = s5pc100_mem_addr;
+		onenand->cmd_map = s5pc1xx_cmd_map;
+	} else if (onenand->type == TYPE_S5PC110) {
+		/* Use generic onenand functions */
+		onenand->cmd_map = s5pc1xx_cmd_map;
+		this->read_bufferram = s5pc110_read_bufferram;
+		return;
+	} else {
+		BUG();
+	}
+
+	this->read_word = s3c_onenand_readw;
+	this->write_word = s3c_onenand_writew;
+
+	this->wait = s3c_onenand_wait;
+	this->bbt_wait = s3c_onenand_bbt_wait;
+	this->unlock_all = s3c_unlock_all;
+	this->command = s3c_onenand_command;
+
+	this->read_bufferram = onenand_read_bufferram;
+	this->write_bufferram = onenand_write_bufferram;
+}
+
+static int s3c_onenand_probe(struct platform_device *pdev)
+{
+	struct onenand_platform_data *pdata;
+	struct onenand_chip *this;
+	struct mtd_info *mtd;
+	struct resource *r;
+	int size, err;
+	unsigned long onenand_ctrl_cfg = 0;
+
+	pdata = pdev->dev.platform_data;
+	/* No need to check pdata. the platform data is optional */
+
+	size = sizeof(struct mtd_info) + sizeof(struct onenand_chip);
+	mtd = kzalloc(size, GFP_KERNEL);
+	if (!mtd) {
+		dev_err(&pdev->dev, "failed to allocate memory\n");
+		return -ENOMEM;
+	}
+
+	onenand = kzalloc(sizeof(struct s3c_onenand), GFP_KERNEL);
+	if (!onenand) {
+		err = -ENOMEM;
+		goto onenand_fail;
+	}
+
+	this = (struct onenand_chip *) &mtd[1];
+	mtd->priv = this;
+	mtd->dev.parent = &pdev->dev;
+	mtd->owner = THIS_MODULE;
+	onenand->pdev = pdev;
+	onenand->type = platform_get_device_id(pdev)->driver_data;
+
+	s3c_onenand_setup(mtd);
+
+	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!r) {
+		dev_err(&pdev->dev, "no memory resource defined\n");
+		return -ENOENT;
+		goto ahb_resource_failed;
+	}
+
+	onenand->base_res = request_mem_region(r->start, resource_size(r),
+					       pdev->name);
+	if (!onenand->base_res) {
+		dev_err(&pdev->dev, "failed to request memory resource\n");
+		err = -EBUSY;
+		goto resource_failed;
+	}
+
+	onenand->base = ioremap(r->start, resource_size(r));
+	if (!onenand->base) {
+		dev_err(&pdev->dev, "failed to map memory resource\n");
+		err = -EFAULT;
+		goto ioremap_failed;
+	}
+	/* Set onenand_chip also */
+	this->base = onenand->base;
+
+	/* Use runtime badblock check */
+	this->options |= ONENAND_SKIP_UNLOCK_CHECK;
+
+	if (onenand->type != TYPE_S5PC110) {
+		r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+		if (!r) {
+			dev_err(&pdev->dev, "no buffer memory resource defined\n");
+			return -ENOENT;
+			goto ahb_resource_failed;
+		}
+
+		onenand->ahb_res = request_mem_region(r->start, resource_size(r),
+						      pdev->name);
+		if (!onenand->ahb_res) {
+			dev_err(&pdev->dev, "failed to request buffer memory resource\n");
+			err = -EBUSY;
+			goto ahb_resource_failed;
+		}
+
+		onenand->ahb_addr = ioremap(r->start, resource_size(r));
+		if (!onenand->ahb_addr) {
+			dev_err(&pdev->dev, "failed to map buffer memory resource\n");
+			err = -EINVAL;
+			goto ahb_ioremap_failed;
+		}
+
+		/* Allocate 4KiB BufferRAM */
+		onenand->page_buf = kzalloc(SZ_4K, GFP_KERNEL);
+		if (!onenand->page_buf) {
+			err = -ENOMEM;
+			goto page_buf_fail;
+		}
+
+		/* Allocate 128 SpareRAM */
+		onenand->oob_buf = kzalloc(128, GFP_KERNEL);
+		if (!onenand->oob_buf) {
+			err = -ENOMEM;
+			goto oob_buf_fail;
+		}
+
+		/* S3C doesn't handle subpage write */
+		mtd->subpage_sft = 0;
+		this->subpagesize = mtd->writesize;
+
+	} else { /* S5PC110 */
+		r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+		if (!r) {
+			dev_err(&pdev->dev, "no dma memory resource defined\n");
+			return -ENOENT;
+			goto dma_resource_failed;
+		}
+
+		onenand->dma_res = request_mem_region(r->start, resource_size(r),
+						      pdev->name);
+		if (!onenand->dma_res) {
+			dev_err(&pdev->dev, "failed to request dma memory resource\n");
+			err = -EBUSY;
+			goto dma_resource_failed;
+		}
+
+		onenand->dma_addr = ioremap(r->start, resource_size(r));
+		if (!onenand->dma_addr) {
+			dev_err(&pdev->dev, "failed to map dma memory resource\n");
+			err = -EINVAL;
+			goto dma_ioremap_failed;
+		}
+
+		onenand->phys_base = onenand->base_res->start;
+
+		onenand_ctrl_cfg = readl(onenand->dma_addr + 0x100);
+		if ((onenand_ctrl_cfg & ONENAND_SYS_CFG1_SYNC_WRITE) &&
+		    onenand->dma_addr)
+			writel(onenand_ctrl_cfg & ~ONENAND_SYS_CFG1_SYNC_WRITE,
+					onenand->dma_addr + 0x100);
+		else
+			onenand_ctrl_cfg = 0;
+	}
+
+	if (onenand_scan(mtd, 1)) {
+		err = -EFAULT;
+		goto scan_failed;
+	}
+
+	if (onenand->type == TYPE_S5PC110) {
+		if (onenand_ctrl_cfg && onenand->dma_addr)
+			writel(onenand_ctrl_cfg, onenand->dma_addr + 0x100);
+	} else {
+		/* S3C doesn't handle subpage write */
+		mtd->subpage_sft = 0;
+		this->subpagesize = mtd->writesize;
+	}
+
+	if (s3c_read_reg(MEM_CFG_OFFSET) & ONENAND_SYS_CFG1_SYNC_READ)
+		dev_info(&onenand->pdev->dev, "OneNAND Sync. Burst Read enabled\n");
+
+#ifdef CONFIG_MTD_PARTITIONS
+	err = parse_mtd_partitions(mtd, part_probes, &onenand->parts, 0);
+	if (err > 0)
+		add_mtd_partitions(mtd, onenand->parts, err);
+	else if (err <= 0 && pdata && pdata->parts)
+		add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts);
+	else
+#endif
+		err = add_mtd_device(mtd);
+
+	platform_set_drvdata(pdev, mtd);
+
+	return 0;
+
+scan_failed:
+	if (onenand->dma_addr)
+		iounmap(onenand->dma_addr);
+dma_ioremap_failed:
+	if (onenand->dma_res)
+		release_mem_region(onenand->dma_res->start,
+				   resource_size(onenand->dma_res));
+	kfree(onenand->oob_buf);
+oob_buf_fail:
+	kfree(onenand->page_buf);
+page_buf_fail:
+	if (onenand->ahb_addr)
+		iounmap(onenand->ahb_addr);
+ahb_ioremap_failed:
+	if (onenand->ahb_res)
+		release_mem_region(onenand->ahb_res->start,
+				   resource_size(onenand->ahb_res));
+dma_resource_failed:
+ahb_resource_failed:
+	iounmap(onenand->base);
+ioremap_failed:
+	if (onenand->base_res)
+		release_mem_region(onenand->base_res->start,
+				   resource_size(onenand->base_res));
+resource_failed:
+	kfree(onenand);
+onenand_fail:
+	kfree(mtd);
+	return err;
+}
+
+static int __devexit s3c_onenand_remove(struct platform_device *pdev)
+{
+	struct mtd_info *mtd = platform_get_drvdata(pdev);
+
+	onenand_release(mtd);
+	if (onenand->ahb_addr)
+		iounmap(onenand->ahb_addr);
+	if (onenand->ahb_res)
+		release_mem_region(onenand->ahb_res->start,
+				   resource_size(onenand->ahb_res));
+	if (onenand->dma_addr)
+		iounmap(onenand->dma_addr);
+	if (onenand->dma_res)
+		release_mem_region(onenand->dma_res->start,
+				   resource_size(onenand->dma_res));
+
+	iounmap(onenand->base);
+	release_mem_region(onenand->base_res->start,
+			   resource_size(onenand->base_res));
+
+	platform_set_drvdata(pdev, NULL);
+	kfree(onenand->oob_buf);
+	kfree(onenand->page_buf);
+	kfree(onenand);
+	kfree(mtd);
+	return 0;
+}
+
+static int s3c_pm_ops_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct mtd_info *mtd = platform_get_drvdata(pdev);
+	struct onenand_chip *this = mtd->priv;
+
+	this->wait(mtd, FL_PM_SUSPENDED);
+	return mtd->suspend(mtd);
+}
+
+static  int s3c_pm_ops_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct mtd_info *mtd = platform_get_drvdata(pdev);
+	struct onenand_chip *this = mtd->priv;
+
+	mtd->resume(mtd);
+	this->unlock_all(mtd);
+	return 0;
+}
+
+static const struct dev_pm_ops s3c_pm_ops = {
+	.suspend	= s3c_pm_ops_suspend,
+	.resume		= s3c_pm_ops_resume,
+};
+
+static struct platform_device_id s3c_onenand_driver_ids[] = {
+	{
+		.name		= "s3c6400-onenand",
+		.driver_data	= TYPE_S3C6400,
+	}, {
+		.name		= "s3c6410-onenand",
+		.driver_data	= TYPE_S3C6410,
+	}, {
+		.name		= "s5pc100-onenand",
+		.driver_data	= TYPE_S5PC100,
+	}, {
+		.name		= "s5pc110-onenand",
+		.driver_data	= TYPE_S5PC110,
+	}, { },
+};
+MODULE_DEVICE_TABLE(platform, s3c_onenand_driver_ids);
+
+static struct platform_driver s3c_onenand_driver = {
+	.driver         = {
+		.name	= "samsung-onenand",
+		.pm	= &s3c_pm_ops,
+	},
+	.id_table	= s3c_onenand_driver_ids,
+	.probe          = s3c_onenand_probe,
+	.remove         = __devexit_p(s3c_onenand_remove),
+};
+
+static int __init s3c_onenand_init(void)
+{
+	return platform_driver_register(&s3c_onenand_driver);
+}
+
+static void __exit s3c_onenand_exit(void)
+{
+	platform_driver_unregister(&s3c_onenand_driver);
+}
+
+module_init(s3c_onenand_init);
+module_exit(s3c_onenand_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Kyungmin Park <kyungmin.park@samsung.com>");
+MODULE_DESCRIPTION("Samsung OneNAND controller support");

From 0ffe0ce36e07185c693e3ff06ab5b3b6c30780ee Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Thu, 29 Apr 2010 13:34:24 -0500
Subject: [PATCH 1402/3638] mtd: sst25l: fix multi-part messages with broken
 spi masters

Some SPI masters (ep93xx) have limitations when using the SFRMOUT
signal for the spi device chip select.  The SFRMOUT signal is
only asserted as long as the spi transmit fifo contains data.  As
soon as the last bit is clocked into the receive fifo it gets
deasserted.

The functions sst25l_status and sst25l_match_device use the API
function spi_write_then_read to write a command to the flash then
read the response back.  This API function creates a two part spi
message for the write then read.  When this message is transferred
the SFRMOUT signal ends up getting deasserted after the command
phase.  This causes the command to get aborted by the device so
the read phase returns invalid data.

By changing sst25l_status and sst25l_match_device to use a single
transfer synchronous message, the SFRMOUT signal stays asserted
during the entire message so the correct data always gets returned.

This change will have no effect on SPI masters which use a chip
select mechanism (GPIO's, etc.) which does stay asserted correctly.
As a bonus, the single transfer synchronous messages complete faster
than multi-part messages.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/sst25l.c | 57 +++++++++++++++++++++---------------
 1 file changed, 33 insertions(+), 24 deletions(-)

diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index bcf040beb83..ab5d8cd02a1 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -73,15 +73,25 @@ static struct flash_info __initdata sst25l_flash_info[] = {
 
 static int sst25l_status(struct sst25l_flash *flash, int *status)
 {
-	unsigned char command, response;
+	struct spi_message m;
+	struct spi_transfer t;
+	unsigned char cmd_resp[2];
 	int err;
 
-	command = SST25L_CMD_RDSR;
-	err = spi_write_then_read(flash->spi, &command, 1, &response, 1);
+	spi_message_init(&m);
+	memset(&t, 0, sizeof(struct spi_transfer));
+
+	cmd_resp[0] = SST25L_CMD_RDSR;
+	cmd_resp[1] = 0xff;
+	t.tx_buf = cmd_resp;
+	t.rx_buf = cmd_resp;
+	t.len = sizeof(cmd_resp);
+	spi_message_add_tail(&t, &m);
+	err = spi_sync(flash->spi, &m);
 	if (err < 0)
 		return err;
 
-	*status = response;
+	*status = cmd_resp[1];
 	return 0;
 }
 
@@ -328,33 +338,32 @@ out:
 static struct flash_info *__init sst25l_match_device(struct spi_device *spi)
 {
 	struct flash_info *flash_info = NULL;
-	unsigned char command[4], response;
+	struct spi_message m;
+	struct spi_transfer t;
+	unsigned char cmd_resp[6];
 	int i, err;
 	uint16_t id;
 
-	command[0] = SST25L_CMD_READ_ID;
-	command[1] = 0;
-	command[2] = 0;
-	command[3] = 0;
-	err = spi_write_then_read(spi, command, sizeof(command), &response, 1);
+	spi_message_init(&m);
+	memset(&t, 0, sizeof(struct spi_transfer));
+
+	cmd_resp[0] = SST25L_CMD_READ_ID;
+	cmd_resp[1] = 0;
+	cmd_resp[2] = 0;
+	cmd_resp[3] = 0;
+	cmd_resp[4] = 0xff;
+	cmd_resp[5] = 0xff;
+	t.tx_buf = cmd_resp;
+	t.rx_buf = cmd_resp;
+	t.len = sizeof(cmd_resp);
+	spi_message_add_tail(&t, &m);
+	err = spi_sync(spi, &m);
 	if (err < 0) {
-		dev_err(&spi->dev, "error reading device id msb\n");
+		dev_err(&spi->dev, "error reading device id\n");
 		return NULL;
 	}
 
-	id = response << 8;
-
-	command[0] = SST25L_CMD_READ_ID;
-	command[1] = 0;
-	command[2] = 0;
-	command[3] = 1;
-	err = spi_write_then_read(spi, command, sizeof(command), &response, 1);
-	if (err < 0) {
-		dev_err(&spi->dev, "error reading device id lsb\n");
-		return NULL;
-	}
-
-	id |= response;
+	id = (cmd_resp[4] << 8) | cmd_resp[5];
 
 	for (i = 0; i < ARRAY_SIZE(sst25l_flash_info); i++)
 		if (sst25l_flash_info[i].device_id == id)

From 709c4efb68cccd2de9a7d63b1f90276b1617e613 Mon Sep 17 00:00:00 2001
From: Kevin Cernekee <cernekee@gmail.com>
Date: Tue, 4 May 2010 12:51:34 -0700
Subject: [PATCH 1403/3638] mtd: map.h: add missing bug.h include

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 include/linux/mtd/map.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
index b981b877221..01703d42598 100644
--- a/include/linux/mtd/map.h
+++ b/include/linux/mtd/map.h
@@ -7,6 +7,7 @@
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/string.h>
+#include <linux/bug.h>
 
 #include <linux/mtd/compatmac.h>
 

From 9ea5973883bbe26372f45d99eb3a500f08d966f9 Mon Sep 17 00:00:00 2001
From: Kevin Cernekee <cernekee@gmail.com>
Date: Sat, 10 Apr 2010 11:18:58 -0700
Subject: [PATCH 1404/3638] mtd: suppress warnings in inline_map_read()

With gcc 4.4.3 -O2 on MIPS32:

drivers/mtd/chips/cfi_util.c: In function 'cfi_qry_present':
include/linux/mtd/map.h:390: warning: 'r' may be used uninitialized in this function
include/linux/mtd/map.h:375: note: 'r' was declared here
include/linux/mtd/map.h:390: warning: 'r' may be used uninitialized in this function
include/linux/mtd/map.h:375: note: 'r' was declared here

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 include/linux/mtd/map.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
index 01703d42598..de89eca864c 100644
--- a/include/linux/mtd/map.h
+++ b/include/linux/mtd/map.h
@@ -387,6 +387,8 @@ static inline map_word inline_map_read(struct map_info *map, unsigned long ofs)
 #endif
 	else if (map_bankwidth_is_large(map))
 		memcpy_fromio(r.x, map->virt+ofs, map->bankwidth);
+	else
+		BUG();
 
 	return r;
 }

From 426c457a3216fac74e3d44dd39729b0689f4c7ab Mon Sep 17 00:00:00 2001
From: Kevin Cernekee <cernekee@gmail.com>
Date: Tue, 4 May 2010 20:58:03 -0700
Subject: [PATCH 1405/3638] mtd: nand: extend NAND flash detection to new MLC
 chips

Some of the newer MLC devices have a 6-byte ID sequence in which
several field definitions differ from older chips in a manner that is
not backward compatible.  For instance:

Samsung K9GAG08U0M (5-byte sequence): ec d5 14 b6 74
4th byte, bits 1:0 encode the page size: 0=1KiB, 1=2KiB, 2=4KiB, 3=8KiB
4th byte, bits 5:4 encode the block size: 0=64KiB, 1=128KiB, ...
4th byte, bit 6 encodes the OOB size: 0=8B/512B, 1=16B/512B

Samsung K9GAG08U0D (6-byte sequence): ec d5 94 29 34 41
4th byte, bits 1:0 encode the page size: 0=2KiB, 1=4KiB, 3=8KiB, 4=rsvd
4th byte, bits 7;5:4 encode the block size: 0=128KiB, 1=256KiB, ...
4th byte, bits 6;3:2 encode the OOB size: 1=128B/page, 2=218B/page

This patch uses the new 6-byte scheme if the following conditions are
all true:

1) The ID code wraps around after exactly 6 bytes

2) Manufacturer is Samsung

3) 6th byte is zero

The patch also extends the maximum OOB size from 128B to 256B.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 64 +++++++++++++++++++++++++-----------
 include/linux/mtd/nand.h     |  2 +-
 2 files changed, 45 insertions(+), 21 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index b9dc65c7253..85891dcc27a 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2774,8 +2774,8 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 						  int busw, int *maf_id,
 						  struct nand_flash_dev *type)
 {
-	int dev_id, maf_idx;
-	int tmp_id, tmp_manf;
+	int i, dev_id, maf_idx;
+	u8 id_data[8];
 
 	/* Select the device */
 	chip->select_chip(mtd, 0);
@@ -2801,15 +2801,15 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 
 	chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
 
-	/* Read manufacturer and device IDs */
+	/* Read entire ID string */
 
-	tmp_manf = chip->read_byte(mtd);
-	tmp_id = chip->read_byte(mtd);
+	for (i = 0; i < 8; i++)
+		id_data[i] = chip->read_byte(mtd);
 
-	if (tmp_manf != *maf_id || tmp_id != dev_id) {
+	if (id_data[0] != *maf_id || id_data[1] != dev_id) {
 		printk(KERN_INFO "%s: second ID read did not match "
 		       "%02x,%02x against %02x,%02x\n", __func__,
-		       *maf_id, dev_id, tmp_manf, tmp_id);
+		       *maf_id, dev_id, id_data[0], id_data[1]);
 		return ERR_PTR(-ENODEV);
 	}
 
@@ -2832,21 +2832,45 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 	if (!type->pagesize) {
 		int extid;
 		/* The 3rd id byte holds MLC / multichip data */
-		chip->cellinfo = chip->read_byte(mtd);
+		chip->cellinfo = id_data[2];
 		/* The 4th id byte is the important one */
-		extid = chip->read_byte(mtd);
-		/* Calc pagesize */
-		mtd->writesize = 1024 << (extid & 0x3);
-		extid >>= 2;
-		/* Calc oobsize */
-		mtd->oobsize = (8 << (extid & 0x01)) * (mtd->writesize >> 9);
-		extid >>= 2;
-		/* Calc blocksize. Blocksize is multiples of 64KiB */
-		mtd->erasesize = (64 * 1024) << (extid & 0x03);
-		extid >>= 2;
-		/* Get buswidth information */
-		busw = (extid & 0x01) ? NAND_BUSWIDTH_16 : 0;
+		extid = id_data[3];
 
+		/*
+		 * Field definitions are in the following datasheets:
+		 * Old style (4,5 byte ID): Samsung K9GAG08U0M (p.32)
+		 * New style   (6 byte ID): Samsung K9GAG08U0D (p.40)
+		 *
+		 * Check for wraparound + Samsung ID + nonzero 6th byte
+		 * to decide what to do.
+		 */
+		if (id_data[0] == id_data[6] && id_data[1] == id_data[7] &&
+				id_data[0] == NAND_MFR_SAMSUNG &&
+				id_data[5] != 0x00) {
+			/* Calc pagesize */
+			mtd->writesize = 2048 << (extid & 0x03);
+			extid >>= 2;
+			/* Calc oobsize */
+			mtd->oobsize = (extid & 0x03) == 0x01 ? 128 : 218;
+			extid >>= 2;
+			/* Calc blocksize */
+			mtd->erasesize = (128 * 1024) <<
+				(((extid >> 1) & 0x04) | (extid & 0x03));
+			busw = 0;
+		} else {
+			/* Calc pagesize */
+			mtd->writesize = 1024 << (extid & 0x03);
+			extid >>= 2;
+			/* Calc oobsize */
+			mtd->oobsize = (8 << (extid & 0x01)) *
+				(mtd->writesize >> 9);
+			extid >>= 2;
+			/* Calc blocksize. Blocksize is multiples of 64KiB */
+			mtd->erasesize = (64 * 1024) << (extid & 0x03);
+			extid >>= 2;
+			/* Get buswidth information */
+			busw = (extid & 0x01) ? NAND_BUSWIDTH_16 : 0;
+		}
 	} else {
 		/*
 		 * Old devices have chip data hardcoded in the device id table
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 8bdacb885f9..50f3aa00a45 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -53,7 +53,7 @@ extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
  * is supported now. If you add a chip with bigger oobsize/page
  * adjust this accordingly.
  */
-#define NAND_MAX_OOBSIZE	128
+#define NAND_MAX_OOBSIZE	256
 #define NAND_MAX_PAGESIZE	4096
 
 /*

From b60b08b02ca8d9575985ae6711bd656dd67e9039 Mon Sep 17 00:00:00 2001
From: Kevin Cernekee <cernekee@gmail.com>
Date: Tue, 4 May 2010 20:58:10 -0700
Subject: [PATCH 1406/3638] mtd: nand: support alternate BB marker locations on
 MLC

This is a slightly modified version of a patch submitted last year by
Reuben Dowle <reuben.dowle@navico.com>.  His original comments follow:

This patch adds support for some MLC NAND flashes that place the BB
marker in the LAST page of the bad block rather than the FIRST page used
for SLC NAND and other types of MLC nand.

Lifted from Samsung datasheet for K9LG8G08U0A (1Gbyte MLC NAND):
"
Identifying Initial Invalid Block(s)
All device locations are erased(FFh) except locations where the initial
invalid block(s) information is written prior to shipping. The initial
invalid block(s) status is defined by the 1st byte in the spare area.
Samsung makes sure that the last page of every initial invalid block has
non-FFh data at the column address of 2,048.
...
"

As far as I can tell, this is the same for all Samsung MLC nand, and in
fact the samsung bsp for the processor used in our project (s3c6410)
actually contained a hack similar to this patch but less portable to
enable use of their NAND parts. I discovered this problem when trying to
use a Micron NAND which does not used this layout - I wish samsung would
put their stuff in main-line to avoid this type of problem.

Currently this patch causes all MLC nand with manufacturer codes from
Samsung and ST(Numonyx) to use this alternative location, since these
are the manufactures that I know of that use this layout.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 15 +++++++++++++++
 drivers/mtd/nand/nand_bbt.c  |  3 +++
 include/linux/mtd/nand.h     |  2 ++
 3 files changed, 20 insertions(+)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 85891dcc27a..4a7b86423ee 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -347,6 +347,9 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
 	struct nand_chip *chip = mtd->priv;
 	u16 bad;
 
+	if (chip->options & NAND_BB_LAST_PAGE)
+		ofs += mtd->erasesize - mtd->writesize;
+
 	page = (int)(ofs >> chip->page_shift) & chip->pagemask;
 
 	if (getchip) {
@@ -396,6 +399,9 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
 	uint8_t buf[2] = { 0, 0 };
 	int block, ret;
 
+	if (chip->options & NAND_BB_LAST_PAGE)
+		ofs += mtd->erasesize - mtd->writesize;
+
 	/* Get block number */
 	block = (int)(ofs >> chip->bbt_erase_shift);
 	if (chip->bbt)
@@ -2933,6 +2939,15 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 	if (*maf_id != NAND_MFR_SAMSUNG && !type->pagesize)
 		chip->options &= ~NAND_SAMSUNG_LP_OPTIONS;
 
+	/*
+	 * Bad block marker is stored in the last page of each block
+	 * on Samsung and Hynix MLC devices
+	 */
+	if ((chip->cellinfo & NAND_CI_CELLTYPE_MSK) &&
+			(*maf_id == NAND_MFR_SAMSUNG ||
+			 *maf_id == NAND_MFR_HYNIX))
+		chip->options |= NAND_BB_LAST_PAGE;
+
 	/* Check for AND chips with 4 page planes */
 	if (chip->options & NAND_4PAGE_ARRAY)
 		chip->erase_cmd = multi_erase_cmd;
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 387c45c366f..ad97c0ce73b 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -432,6 +432,9 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf,
 		from = (loff_t)startblock << (this->bbt_erase_shift - 1);
 	}
 
+	if (this->options & NAND_BB_LAST_PAGE)
+		from += mtd->erasesize - (mtd->writesize * len);
+
 	for (i = startblock; i < numblocks;) {
 		int ret;
 
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 50f3aa00a45..a81b185e23a 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -181,6 +181,8 @@ typedef enum {
 #define NAND_NO_READRDY		0x00000100
 /* Chip does not allow subpage writes */
 #define NAND_NO_SUBPAGE_WRITE	0x00000200
+/* Chip stores bad block marker on the last page of the eraseblock */
+#define NAND_BB_LAST_PAGE	0x00000400
 
 /* Device is one of 'new' xD cards that expose fake nand command set */
 #define NAND_BROKEN_XD		0x00000400

From 087acaf1c6812d0ff4d4cb79c6f5a0e4e63815b3 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Tue, 27 Apr 2010 04:19:33 +0200
Subject: [PATCH 1407/3638] mtd: chips: add SST39WF160x NOR-flashes

Due to a broken CFI, they have to be added to jedec_probe.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/jedec_probe.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index b2e6f2f79de..d72a5fb2d04 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -148,6 +148,8 @@
 #define SST39LF160	0x2782
 #define SST39VF1601	0x234b
 #define SST39VF3201	0x235b
+#define SST39WF1601	0x274b
+#define SST39WF1602	0x274a
 #define SST39LF512	0x00D4
 #define SST39LF010	0x00D5
 #define SST39LF020	0x00D6
@@ -1510,6 +1512,34 @@ static const struct amd_flash_info jedec_table[] = {
 			ERASEINFO(0x1000,256),
 			ERASEINFO(0x1000,256)
 		}
+	}, {
+		/* CFI is broken: reports AMD_STD, but needs custom uaddr */
+		.mfr_id		= CFI_MFR_SST,
+		.dev_id		= SST39WF1601,
+		.name		= "SST 39WF1601",
+		.devtypes	= CFI_DEVICETYPE_X16,
+		.uaddr		= MTD_UADDR_0xAAAA_0x5555,
+		.dev_size	= SIZE_2MiB,
+		.cmd_set	= P_ID_AMD_STD,
+		.nr_regions	= 2,
+		.regions	= {
+			ERASEINFO(0x1000,256),
+			ERASEINFO(0x1000,256)
+		}
+	}, {
+		/* CFI is broken: reports AMD_STD, but needs custom uaddr */
+		.mfr_id		= CFI_MFR_SST,
+		.dev_id		= SST39WF1602,
+		.name		= "SST 39WF1602",
+		.devtypes	= CFI_DEVICETYPE_X16,
+		.uaddr		= MTD_UADDR_0xAAAA_0x5555,
+		.dev_size	= SIZE_2MiB,
+		.cmd_set	= P_ID_AMD_STD,
+		.nr_regions	= 2,
+		.regions	= {
+			ERASEINFO(0x1000,256),
+			ERASEINFO(0x1000,256)
+		}
 	}, {
 		.mfr_id		= CFI_MFR_SST,     /* should be CFI */
 		.dev_id		= SST39VF3201,

From f6763c98cb2175a816936f9b125d40054a27c185 Mon Sep 17 00:00:00 2001
From: Alexander Kurz <linux@blala.de>
Date: Thu, 13 May 2010 11:59:59 +0200
Subject: [PATCH 1408/3638] pcmciamtd: fixing obvious errors

After fixing the obvious errors, the driver will now compile
again on v2.6.34-rc3. First tests with two 4MB flash cards including
erase- and write test with one of the cards where successful.

Also, add two new PCMCIA_DEVICE_PROD_IDs.

[linux@dominikbrodowski.net: clean up commit message]
Signed-off-by: Alexander Kurz <linux@kbdbabel.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/Kconfig     |  2 +-
 drivers/mtd/maps/pcmciamtd.c | 32 ++++++++++++++++----------------
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index aa2807d0ce7..f22bc9f05dd 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -435,7 +435,7 @@ config MTD_PCI
 
 config MTD_PCMCIA
 	tristate "PCMCIA MTD driver"
-	depends on PCMCIA && MTD_COMPLEX_MAPPINGS && BROKEN
+	depends on PCMCIA && MTD_COMPLEX_MAPPINGS
 	help
 	  Map driver for accessing PCMCIA linear flash memory cards. These
 	  cards are usually around 4-16MiB in size. This does not include
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index 81159d708f8..915b64e2379 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -137,7 +137,7 @@ static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs)
 		return d;
 
 	d.x[0] = readb(addr);
-	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, addr, d.x[0]);
+	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx", ofs, addr, d.x[0]);
 	return d;
 }
 
@@ -152,7 +152,7 @@ static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs)
 		return d;
 
 	d.x[0] = readw(addr);
-	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, addr, d.x[0]);
+	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx", ofs, addr, d.x[0]);
 	return d;
 }
 
@@ -190,7 +190,7 @@ static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long
 	if(!addr)
 		return;
 
-	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02x", adr, addr, d.x[0]);
+	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02lx", adr, addr, d.x[0]);
 	writeb(d.x[0], addr);
 }
 
@@ -201,7 +201,7 @@ static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long
 	if(!addr)
 		return;
 
-	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04x", adr, addr, d.x[0]);
+	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04lx", adr, addr, d.x[0]);
 	writew(d.x[0], addr);
 }
 
@@ -245,7 +245,7 @@ static map_word pcmcia_read8(struct map_info *map, unsigned long ofs)
 		return d;
 
 	d.x[0] = readb(win_base + ofs);
-	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, win_base + ofs, d.x[0]);
+	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx", ofs, win_base + ofs, d.x[0]);
 	return d;
 }
 
@@ -259,7 +259,7 @@ static map_word pcmcia_read16(struct map_info *map, unsigned long ofs)
 		return d;
 
 	d.x[0] = readw(win_base + ofs);
-	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, win_base + ofs, d.x[0]);
+	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx", ofs, win_base + ofs, d.x[0]);
 	return d;
 }
 
@@ -276,27 +276,27 @@ static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from,
 }
 
 
-static void pcmcia_write8(struct map_info *map, u8 d, unsigned long adr)
+static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr)
 {
 	caddr_t win_base = (caddr_t)map->map_priv_2;
 
 	if(DEV_REMOVED(map))
 		return;
 
-	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02x", adr, win_base + adr, d);
-	writeb(d, win_base + adr);
+	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02lx", adr, win_base + adr, d.x[0]);
+	writeb(d.x[0], win_base + adr);
 }
 
 
-static void pcmcia_write16(struct map_info *map, u16 d, unsigned long adr)
+static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr)
 {
 	caddr_t win_base = (caddr_t)map->map_priv_2;
 
 	if(DEV_REMOVED(map))
 		return;
 
-	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04x", adr, win_base + adr, d);
-	writew(d, win_base + adr);
+	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04lx", adr, win_base + adr, d.x[0]);
+	writew(d.x[0], win_base + adr);
 }
 
 
@@ -432,7 +432,7 @@ static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev,
 }
 
 
-static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name)
+static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev, int *new_name)
 {
 	int i;
 
@@ -490,7 +490,6 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 {
 	struct pcmciamtd_dev *dev = link->priv;
 	struct mtd_info *mtd = NULL;
-	cs_status_t status;
 	win_req_t req;
 	int ret;
 	int i;
@@ -565,7 +564,7 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 	dev->pcmcia_map.map_priv_1 = (unsigned long)dev;
 	dev->pcmcia_map.map_priv_2 = (unsigned long)link->win;
 
-	dev->vpp = (vpp) ? vpp : link->socket.socket.Vpp;
+	dev->vpp = (vpp) ? vpp : link->socket->socket.Vpp;
 	link->conf.Attributes = 0;
 	if(setvpp == 2) {
 		link->conf.Vpp = dev->vpp;
@@ -652,7 +651,6 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 	link->dev_node = &dev->node;
 	return 0;
 
- failed:
 	err("CS Error, exiting");
 	pcmciamtd_release(link);
 	return -ENODEV;
@@ -737,8 +735,10 @@ static struct pcmcia_device_id pcmciamtd_ids[] = {
 	PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8),
 	PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c),
 	PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0),
+	PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965),
 	PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b),
 	PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad),
+	PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05),
 	PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca),
 	PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944),
 	/* the following was commented out in pcmcia-cs-3.2.7 */

From 9bdde162ebcc0237e722e8c3d0d376e35188a98f Mon Sep 17 00:00:00 2001
From: Alexander Kurz <linux@blala.de>
Date: Thu, 13 May 2010 12:00:00 +0200
Subject: [PATCH 1409/3638] pcmciamtd: coding style cleanups

Signed-off-by: Alexander Kurz <linux@kbdbabel.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/pcmciamtd.c | 55 +++++++++++++++++++++---------------
 1 file changed, 33 insertions(+), 22 deletions(-)

diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index 915b64e2379..050aa8ecb24 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -40,10 +40,7 @@ MODULE_PARM_DESC(debug, "Set Debug Level 0=quiet, 5=noisy");
 static const int debug = 0;
 #endif
 
-#define err(format, arg...) printk(KERN_ERR "pcmciamtd: " format "\n" , ## arg)
 #define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "pcmciamtd: " format "\n" , ## arg)
-
 
 #define DRIVER_DESC	"PCMCIA Flash memory card driver"
 
@@ -100,7 +97,9 @@ module_param(mem_type, int, 0);
 MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)");
 
 
-/* read/write{8,16} copy_{from,to} routines with window remapping to access whole card */
+/* read/write{8,16} copy_{from,to} routines with window remapping
+ * to access whole card
+ */
 static caddr_t remap_window(struct map_info *map, unsigned long to)
 {
 	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
@@ -245,7 +244,8 @@ static map_word pcmcia_read8(struct map_info *map, unsigned long ofs)
 		return d;
 
 	d.x[0] = readb(win_base + ofs);
-	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx", ofs, win_base + ofs, d.x[0]);
+	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx",
+	      ofs, win_base + ofs, d.x[0]);
 	return d;
 }
 
@@ -259,7 +259,8 @@ static map_word pcmcia_read16(struct map_info *map, unsigned long ofs)
 		return d;
 
 	d.x[0] = readw(win_base + ofs);
-	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx", ofs, win_base + ofs, d.x[0]);
+	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx",
+	      ofs, win_base + ofs, d.x[0]);
 	return d;
 }
 
@@ -283,7 +284,8 @@ static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr)
 	if(DEV_REMOVED(map))
 		return;
 
-	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02lx", adr, win_base + adr, d.x[0]);
+	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02lx",
+	      adr, win_base + adr, d.x[0]);
 	writeb(d.x[0], win_base + adr);
 }
 
@@ -295,7 +297,8 @@ static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr)
 	if(DEV_REMOVED(map))
 		return;
 
-	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04lx", adr, win_base + adr, d.x[0]);
+	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04lx",
+	      adr, win_base + adr, d.x[0]);
 	writew(d.x[0], win_base + adr);
 }
 
@@ -376,7 +379,8 @@ static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev,
 	if (!pcmcia_parse_tuple(tuple, &parse)) {
 		cistpl_jedec_t *t = &parse.jedec;
 		for (i = 0; i < t->nid; i++)
-			DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info);
+			DEBUG(2, "JEDEC: 0x%02x 0x%02x",
+			      t->id[i].mfr, t->id[i].info);
 	}
 	return -ENOSPC;
 }
@@ -477,7 +481,8 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev
 	}
 
 	DEBUG(1, "Device: Size: %lu Width:%d Name: %s",
-	      dev->pcmcia_map.size, dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
+	      dev->pcmcia_map.size,
+	      dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
 }
 
 
@@ -513,9 +518,11 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 	if(setvpp == 1)
 		dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp;
 
-	/* Request a memory window for PCMCIA. Some architeures can map windows upto the maximum
-	   that PCMCIA can support (64MiB) - this is ideal and we aim for a window the size of the
-	   whole card - otherwise we try smaller windows until we succeed */
+	/* Request a memory window for PCMCIA. Some architeures can map windows
+	 * upto the maximum that PCMCIA can support (64MiB) - this is ideal and
+	 * we aim for a window the size of the whole card - otherwise we try
+	 * smaller windows until we succeed
+	 */
 
 	req.Attributes =  WIN_MEMORY_TYPE_CM | WIN_ENABLE;
 	req.Attributes |= (dev->pcmcia_map.bankwidth == 1) ? WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16;
@@ -543,7 +550,7 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 	DEBUG(2, "dev->win_size = %d", dev->win_size);
 
 	if(!dev->win_size) {
-		err("Cant allocate memory window");
+		dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n");
 		pcmciamtd_release(link);
 		return -ENODEV;
 	}
@@ -553,7 +560,8 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 	DEBUG(2, "window handle = 0x%8.8lx", (unsigned long)link->win);
 	dev->win_base = ioremap(req.Base, req.Size);
 	if(!dev->win_base) {
-		err("ioremap(%lu, %u) failed", req.Base, req.Size);
+		dev_err(&dev->p_dev->dev, "ioremap(%lu, %u) failed\n",
+			req.Base, req.Size);
 		pcmciamtd_release(link);
 		return -ENODEV;
 	}
@@ -600,7 +608,7 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 	}
 
 	if(!mtd) {
-		DEBUG(1, "Cant find an MTD");
+		DEBUG(1, "Can not find an MTD");
 		pcmciamtd_release(link);
 		return -ENODEV;
 	}
@@ -611,8 +619,9 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 	if(new_name) {
 		int size = 0;
 		char unit = ' ';
-		/* Since we are using a default name, make it better by adding in the
-		   size */
+		/* Since we are using a default name, make it better by adding
+		 * in the size
+		 */
 		if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */
 			size = mtd->size >> 10;
 			unit = 'K';
@@ -642,16 +651,17 @@ static int pcmciamtd_config(struct pcmcia_device *link)
 	if(add_mtd_device(mtd)) {
 		map_destroy(mtd);
 		dev->mtd_info = NULL;
-		err("Couldnt register MTD device");
+		dev_err(&dev->p_dev->dev,
+			"Could not register the MTD device\n");
 		pcmciamtd_release(link);
 		return -ENODEV;
 	}
 	snprintf(dev->node.dev_name, sizeof(dev->node.dev_name), "mtd%d", mtd->index);
-	info("mtd%d: %s", mtd->index, mtd->name);
+	dev_info(&dev->p_dev->dev, "mtd%d: %s\n", mtd->index, mtd->name);
 	link->dev_node = &dev->node;
 	return 0;
 
-	err("CS Error, exiting");
+	dev_err(&dev->p_dev->dev, "CS Error, exiting\n");
 	pcmciamtd_release(link);
 	return -ENODEV;
 }
@@ -690,7 +700,8 @@ static void pcmciamtd_detach(struct pcmcia_device *link)
 
 	if(dev->mtd_info) {
 		del_mtd_device(dev->mtd_info);
-		info("mtd%d: Removing", dev->mtd_info->index);
+		dev_info(&dev->p_dev->dev, "mtd%d: Removing\n",
+			 dev->mtd_info->index);
 		map_destroy(dev->mtd_info);
 	}
 

From b2321ac37a16f0d6bdbcd2d20263e8b8b943c0ea Mon Sep 17 00:00:00 2001
From: Dominik Brodowski <linux@dominikbrodowski.net>
Date: Thu, 13 May 2010 12:00:01 +0200
Subject: [PATCH 1410/3638] pcmciamtd: add another ID

Reported-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/pcmciamtd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index 050aa8ecb24..c4aacbfe288 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -747,6 +747,7 @@ static struct pcmcia_device_id pcmciamtd_ids[] = {
 	PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c),
 	PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0),
 	PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965),
+	PCMCIA_DEVICE_PROD_ID12("PRETEC", "  2MB SRAM CARD", 0xebf91155, 0x805360ca),
 	PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b),
 	PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad),
 	PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05),

From f6b173cc9d73c00a3182ec3fdb0f03909cad4b5b Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Fri, 7 May 2010 19:09:13 +0200
Subject: [PATCH 1411/3638] mtd: nand: add Toshiba TC58NVG0 device ID

This NAND flash part advertises 0xD1 as an identifier but is still a working
128MBytes x 8bits 3.3V NAND part.

Signed-off-by: Florian Fainelli <ffainelli@freebox.fr>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_ids.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c
index 69ee2c90eb0..89907ed9900 100644
--- a/drivers/mtd/nand/nand_ids.c
+++ b/drivers/mtd/nand/nand_ids.c
@@ -82,6 +82,7 @@ struct nand_flash_dev nand_flash_ids[] = {
 	/* 1 Gigabit */
 	{"NAND 128MiB 1,8V 8-bit",	0xA1, 0, 128, 0, LP_OPTIONS},
 	{"NAND 128MiB 3,3V 8-bit",	0xF1, 0, 128, 0, LP_OPTIONS},
+	{"NAND 128MiB 3,3V 8-bit",	0xD1, 0, 128, 0, LP_OPTIONS},
 	{"NAND 128MiB 1,8V 16-bit",	0xB1, 0, 128, 0, LP_OPTIONS16},
 	{"NAND 128MiB 3,3V 16-bit",	0xC1, 0, 128, 0, LP_OPTIONS16},
 

From e39e07fdfd98be8650385f12a7b81d6adc547510 Mon Sep 17 00:00:00 2001
From: Jing Zhang <zj.barak@gmail.com>
Date: Fri, 14 May 2010 00:00:00 -0400
Subject: [PATCH 1412/3638] ext4: rename ext4_mb_release_desc() to
 ext4_mb_unload_buddy()

This function cleans up after ext4_mb_load_buddy(), so the renaming
makes the code clearer.

Signed-off-by: Jing Zhang <zj.barak@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 0550ea3532f..8639d5a637b 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1150,7 +1150,7 @@ err:
 	return ret;
 }
 
-static void ext4_mb_release_desc(struct ext4_buddy *e4b)
+static void ext4_mb_unload_buddy(struct ext4_buddy *e4b)
 {
 	if (e4b->bd_bitmap_page)
 		page_cache_release(e4b->bd_bitmap_page);
@@ -1617,7 +1617,7 @@ int ext4_mb_try_best_found(struct ext4_allocation_context *ac,
 	}
 
 	ext4_unlock_group(ac->ac_sb, group);
-	ext4_mb_release_desc(e4b);
+	ext4_mb_unload_buddy(e4b);
 
 	return 0;
 }
@@ -1672,7 +1672,7 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac,
 		ext4_mb_use_best_found(ac, e4b);
 	}
 	ext4_unlock_group(ac->ac_sb, group);
-	ext4_mb_release_desc(e4b);
+	ext4_mb_unload_buddy(e4b);
 
 	return 0;
 }
@@ -2042,7 +2042,7 @@ repeat:
 			if (!ext4_mb_good_group(ac, group, cr)) {
 				/* someone did allocation from this group */
 				ext4_unlock_group(sb, group);
-				ext4_mb_release_desc(&e4b);
+				ext4_mb_unload_buddy(&e4b);
 				continue;
 			}
 
@@ -2056,7 +2056,7 @@ repeat:
 				ext4_mb_complex_scan_group(ac, &e4b);
 
 			ext4_unlock_group(sb, group);
-			ext4_mb_release_desc(&e4b);
+			ext4_mb_unload_buddy(&e4b);
 
 			if (ac->ac_status != AC_STATUS_CONTINUE)
 				break;
@@ -2146,7 +2146,7 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v)
 	ext4_lock_group(sb, group);
 	memcpy(&sg, ext4_get_group_info(sb, group), i);
 	ext4_unlock_group(sb, group);
-	ext4_mb_release_desc(&e4b);
+	ext4_mb_unload_buddy(&e4b);
 
 	seq_printf(seq, "#%-5u: %-5u %-5u %-5u [", group, sg.info.bb_free,
 			sg.info.bb_fragments, sg.info.bb_first_free);
@@ -2566,7 +2566,7 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn)
 		}
 		ext4_unlock_group(sb, entry->group);
 		kmem_cache_free(ext4_free_ext_cachep, entry);
-		ext4_mb_release_desc(&e4b);
+		ext4_mb_unload_buddy(&e4b);
 	}
 
 	mb_debug(1, "freed %u blocks in %u structures\n", count, count2);
@@ -3695,7 +3695,7 @@ out:
 	ext4_unlock_group(sb, group);
 	if (ac)
 		kmem_cache_free(ext4_ac_cachep, ac);
-	ext4_mb_release_desc(&e4b);
+	ext4_mb_unload_buddy(&e4b);
 	put_bh(bitmap_bh);
 	return free;
 }
@@ -3799,7 +3799,7 @@ repeat:
 		if (bitmap_bh == NULL) {
 			ext4_error(sb, "Error reading block bitmap for %u",
 					group);
-			ext4_mb_release_desc(&e4b);
+			ext4_mb_unload_buddy(&e4b);
 			continue;
 		}
 
@@ -3808,7 +3808,7 @@ repeat:
 		ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa, ac);
 		ext4_unlock_group(sb, group);
 
-		ext4_mb_release_desc(&e4b);
+		ext4_mb_unload_buddy(&e4b);
 		put_bh(bitmap_bh);
 
 		list_del(&pa->u.pa_tmp_list);
@@ -4072,7 +4072,7 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb,
 		ext4_mb_release_group_pa(&e4b, pa, ac);
 		ext4_unlock_group(sb, group);
 
-		ext4_mb_release_desc(&e4b);
+		ext4_mb_unload_buddy(&e4b);
 		list_del(&pa->u.pa_tmp_list);
 		call_rcu(&(pa)->u.pa_rcu, ext4_mb_pa_callback);
 	}
@@ -4608,7 +4608,7 @@ do_more:
 		atomic_add(count, &sbi->s_flex_groups[flex_group].free_blocks);
 	}
 
-	ext4_mb_release_desc(&e4b);
+	ext4_mb_unload_buddy(&e4b);
 
 	freed += count;
 

From edc774ed0c7d75e92b53105b386a5b0ce94d4525 Mon Sep 17 00:00:00 2001
From: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Date: Fri, 14 May 2010 14:45:08 +1000
Subject: [PATCH 1413/3638] crypto: omap - OMAP macros corrected

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 arch/arm/mach-omap2/devices.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index beac46c48c5..79dbf04cbaa 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -456,7 +456,7 @@ static inline void omap_init_mcspi(void) {}
 
 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
 
-#ifdef CONFIG_ARCH_OMAP24XX
+#ifdef CONFIG_ARCH_OMAP2
 static struct resource omap2_sham_resources[] = {
 	{
 		.start	= OMAP24XX_SEC_SHA1MD5_BASE,
@@ -474,7 +474,7 @@ static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
 #define omap2_sham_resources_sz		0
 #endif
 
-#ifdef CONFIG_ARCH_OMAP34XX
+#ifdef CONFIG_ARCH_OMAP3
 static struct resource omap3_sham_resources[] = {
 	{
 		.start	= OMAP34XX_SEC_SHA1MD5_BASE,

From 5bdd5ded95b3188d58ba43ac801b8849cbea1b16 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Fri, 14 May 2010 14:58:05 +1000
Subject: [PATCH 1414/3638] crypto: mv_cesa - Use resource_size

Use the resource_size function instead of manually calculating the
resource size. This reduces the chance of introducing off-by-one errors.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 18a436cafc1..e095422b58d 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -1023,7 +1023,7 @@ static int mv_probe(struct platform_device *pdev)
 
 	spin_lock_init(&cp->lock);
 	crypto_init_queue(&cp->queue, 50);
-	cp->reg = ioremap(res->start, res->end - res->start + 1);
+	cp->reg = ioremap(res->start, resource_size(res));
 	if (!cp->reg) {
 		ret = -ENOMEM;
 		goto err;
@@ -1034,7 +1034,7 @@ static int mv_probe(struct platform_device *pdev)
 		ret = -ENXIO;
 		goto err_unmap_reg;
 	}
-	cp->sram_size = res->end - res->start + 1;
+	cp->sram_size = resource_size(res);
 	cp->max_req_size = cp->sram_size - SRAM_CFG_SPACE;
 	cp->sram = ioremap(res->start, cp->sram_size);
 	if (!cp->sram) {

From 44da397fadf19928838aaa58317a5827dd6c1ec6 Mon Sep 17 00:00:00 2001
From: "Kanigeri, Hari" <h-kanigeri2@ti.com>
Date: Thu, 22 Apr 2010 23:26:08 +0000
Subject: [PATCH 1415/3638] omap iommu: renamed omap3-iommu to omap-iommu

This patch includes changes to omap3-iommu.c file to make it generic
for all OMAPs. Renamed omap3-iommu.c to omap-iommu.c

[Hiroshi DOYU: Remove unnecessary "iommu-y" in Makefile]

Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---
 arch/arm/mach-omap2/Makefile                  |  5 +---
 .../{omap3-iommu.c => omap-iommu.c}           | 23 +++++++++++--------
 2 files changed, 14 insertions(+), 14 deletions(-)
 rename arch/arm/mach-omap2/{omap3-iommu.c => omap-iommu.c} (79%)

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 4b9fc57770d..7d2cf0f714c 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -89,10 +89,7 @@ obj-$(CONFIG_OMAP3_EMU)			+= emu.o
 obj-$(CONFIG_OMAP_MBOX_FWK)		+= mailbox_mach.o
 mailbox_mach-objs			:= mailbox.o
 
-iommu-y					+= iommu2.o
-iommu-$(CONFIG_ARCH_OMAP3)		+= omap3-iommu.o
-
-obj-$(CONFIG_OMAP_IOMMU)		+= $(iommu-y)
+obj-$(CONFIG_OMAP_IOMMU)		:= iommu2.o omap-iommu.o
 
 i2c-omap-$(CONFIG_I2C_OMAP)		:= i2c.o
 obj-y					+= $(i2c-omap-m) $(i2c-omap-y)
diff --git a/arch/arm/mach-omap2/omap3-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
similarity index 79%
rename from arch/arm/mach-omap2/omap3-iommu.c
rename to arch/arm/mach-omap2/omap-iommu.c
index fbbcb5c8336..416a65d5c4a 100644
--- a/arch/arm/mach-omap2/omap3-iommu.c
+++ b/arch/arm/mach-omap2/omap-iommu.c
@@ -1,5 +1,5 @@
 /*
- * omap iommu: omap3 device registration
+ * omap iommu: omap device registration
  *
  * Copyright (C) 2008-2009 Nokia Corporation
  *
@@ -21,6 +21,7 @@ struct iommu_device {
 	struct resource res[2];
 };
 
+#ifdef CONFIG_ARCH_OMAP3
 static struct iommu_device devices[] = {
 	{
 		.base = 0x480bd400,
@@ -43,11 +44,13 @@ static struct iommu_device devices[] = {
 	},
 #endif
 };
+#endif
+
 #define NR_IOMMU_DEVICES ARRAY_SIZE(devices)
 
-static struct platform_device *omap3_iommu_pdev[NR_IOMMU_DEVICES];
+static struct platform_device *omap_iommu_pdev[NR_IOMMU_DEVICES];
 
-static int __init omap3_iommu_init(void)
+static int __init omap_iommu_init(void)
 {
 	int i, err;
 	struct resource res[] = {
@@ -80,26 +83,26 @@ static int __init omap3_iommu_init(void)
 		err = platform_device_add(pdev);
 		if (err)
 			goto err_out;
-		omap3_iommu_pdev[i] = pdev;
+		omap_iommu_pdev[i] = pdev;
 	}
 	return 0;
 
 err_out:
 	while (i--)
-		platform_device_put(omap3_iommu_pdev[i]);
+		platform_device_put(omap_iommu_pdev[i]);
 	return err;
 }
-module_init(omap3_iommu_init);
+module_init(omap_iommu_init);
 
-static void __exit omap3_iommu_exit(void)
+static void __exit omap_iommu_exit(void)
 {
 	int i;
 
 	for (i = 0; i < NR_IOMMU_DEVICES; i++)
-		platform_device_unregister(omap3_iommu_pdev[i]);
+		platform_device_unregister(omap_iommu_pdev[i]);
 }
-module_exit(omap3_iommu_exit);
+module_exit(omap_iommu_exit);
 
 MODULE_AUTHOR("Hiroshi DOYU");
-MODULE_DESCRIPTION("omap iommu: omap3 device registration");
+MODULE_DESCRIPTION("omap iommu: omap device registration");
 MODULE_LICENSE("GPL v2");

From f779f9235f5fcaa887747ee13195efd81d09acce Mon Sep 17 00:00:00 2001
From: "Kanigeri, Hari" <h-kanigeri2@ti.com>
Date: Thu, 22 Apr 2010 23:26:09 +0000
Subject: [PATCH 1416/3638] omap iommu: support for OMAP4

This patch provides the iommu support for OMAP4 co-processors.

Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---
 arch/arm/mach-omap2/omap-iommu.c           | 59 ++++++++++++++++++++--
 arch/arm/plat-omap/include/plat/omap44xx.h |  3 ++
 2 files changed, 57 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
index 416a65d5c4a..eb9bee73e0c 100644
--- a/arch/arm/mach-omap2/omap-iommu.c
+++ b/arch/arm/mach-omap2/omap-iommu.c
@@ -13,6 +13,7 @@
 #include <linux/platform_device.h>
 
 #include <plat/iommu.h>
+#include <plat/irqs.h>
 
 struct iommu_device {
 	resource_size_t base;
@@ -20,9 +21,11 @@ struct iommu_device {
 	struct iommu_platform_data pdata;
 	struct resource res[2];
 };
+static struct iommu_device *devices;
+static int num_iommu_devices;
 
 #ifdef CONFIG_ARCH_OMAP3
-static struct iommu_device devices[] = {
+static struct iommu_device omap3_devices[] = {
 	{
 		.base = 0x480bd400,
 		.irq = 24,
@@ -44,11 +47,46 @@ static struct iommu_device devices[] = {
 	},
 #endif
 };
+#define NR_OMAP3_IOMMU_DEVICES ARRAY_SIZE(omap3_devices)
+static struct platform_device *omap3_iommu_pdev[NR_OMAP3_IOMMU_DEVICES];
+#else
+#define omap3_devices		NULL
+#define NR_OMAP3_IOMMU_DEVICES	0
+#define omap3_iommu_pdev	NULL
 #endif
 
-#define NR_IOMMU_DEVICES ARRAY_SIZE(devices)
+#ifdef CONFIG_ARCH_OMAP4
+static struct iommu_device omap4_devices[] = {
+	{
+		.base = OMAP4_MMU1_BASE,
+		.irq = INT_44XX_DUCATI_MMU_IRQ,
+		.pdata = {
+			.name = "ducati",
+			.nr_tlb_entries = 32,
+			.clk_name = "ducati_ick",
+		},
+	},
+#if defined(CONFIG_MPU_TESLA_IOMMU)
+	{
+		.base = OMAP4_MMU2_BASE,
+		.irq = INT_44XX_DSP_MMU,
+		.pdata = {
+			.name = "tesla",
+			.nr_tlb_entries = 32,
+			.clk_name = "tesla_ick",
+		},
+	},
+#endif
+};
+#define NR_OMAP4_IOMMU_DEVICES ARRAY_SIZE(omap4_devices)
+static struct platform_device *omap4_iommu_pdev[NR_OMAP4_IOMMU_DEVICES];
+#else
+#define omap4_devices		NULL
+#define NR_OMAP4_IOMMU_DEVICES	0
+#define omap4_iommu_pdev	NULL
+#endif
 
-static struct platform_device *omap_iommu_pdev[NR_IOMMU_DEVICES];
+static struct platform_device **omap_iommu_pdev;
 
 static int __init omap_iommu_init(void)
 {
@@ -58,7 +96,18 @@ static int __init omap_iommu_init(void)
 		{ .flags = IORESOURCE_IRQ },
 	};
 
-	for (i = 0; i < NR_IOMMU_DEVICES; i++) {
+	if (cpu_is_omap34xx()) {
+		devices = omap3_devices;
+		omap_iommu_pdev = omap3_iommu_pdev;
+		num_iommu_devices = NR_OMAP3_IOMMU_DEVICES;
+	} else if (cpu_is_omap44xx()) {
+		devices = omap4_devices;
+		omap_iommu_pdev = omap4_iommu_pdev;
+		num_iommu_devices = NR_OMAP4_IOMMU_DEVICES;
+	} else
+		return -ENODEV;
+
+	for (i = 0; i < num_iommu_devices; i++) {
 		struct platform_device *pdev;
 		const struct iommu_device *d = &devices[i];
 
@@ -98,7 +147,7 @@ static void __exit omap_iommu_exit(void)
 {
 	int i;
 
-	for (i = 0; i < NR_IOMMU_DEVICES; i++)
+	for (i = 0; i < num_iommu_devices; i++)
 		platform_device_unregister(omap_iommu_pdev[i]);
 }
 module_exit(omap_iommu_exit);
diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h
index b3ef1a7f53c..bb94a0baee8 100644
--- a/arch/arm/plat-omap/include/plat/omap44xx.h
+++ b/arch/arm/plat-omap/include/plat/omap44xx.h
@@ -48,5 +48,8 @@
 #define OMAP44XX_MAILBOX_BASE		(L4_44XX_BASE + 0xF4000)
 #define OMAP44XX_HSUSB_OTG_BASE		(L4_44XX_BASE + 0xAB000)
 
+#define OMAP4_MMU1_BASE			0x55082000
+#define OMAP4_MMU2_BASE			0x4A066000
+
 #endif /* __ASM_ARCH_OMAP44XX_H */
 

From 77bc5abb70ad8d99a38fc8dd56393eaa8882881c Mon Sep 17 00:00:00 2001
From: "Kanigeri, Hari" <h-kanigeri2@ti.com>
Date: Thu, 22 Apr 2010 23:26:10 +0000
Subject: [PATCH 1417/3638] omap iommu: missing check for TLB valid entry

Added the missing TLB valid entry setting for cam register

Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---
 arch/arm/mach-omap2/iommu2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c
index 4f63dc6859a..d29ebff6fde 100644
--- a/arch/arm/mach-omap2/iommu2.c
+++ b/arch/arm/mach-omap2/iommu2.c
@@ -184,7 +184,7 @@ static struct cr_regs *omap2_alloc_cr(struct iommu *obj, struct iotlb_entry *e)
 	if (!cr)
 		return ERR_PTR(-ENOMEM);
 
-	cr->cam = (e->da & MMU_CAM_VATAG_MASK) | e->prsvd | e->pgsz;
+	cr->cam = (e->da & MMU_CAM_VATAG_MASK) | e->prsvd | e->pgsz | e->valid;
 	cr->ram = e->pa | e->endian | e->elsz | e->mixed;
 
 	return cr;

From be6d8026a276e35cce1a2effaf5cd8bf6bd04814 Mon Sep 17 00:00:00 2001
From: "Kanigeri, Hari" <h-kanigeri2@ti.com>
Date: Thu, 22 Apr 2010 23:26:11 +0000
Subject: [PATCH 1418/3638] omap iommu: add TLB preservation support

This patch adds TLB preservation support to IOMMU module

Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---
 arch/arm/mach-omap2/iommu2.c |  4 +++-
 arch/arm/plat-omap/iommu.c   | 43 ++++++++++++++++++++++--------------
 2 files changed, 29 insertions(+), 18 deletions(-)

diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c
index d29ebff6fde..e82da680d90 100644
--- a/arch/arm/mach-omap2/iommu2.c
+++ b/arch/arm/mach-omap2/iommu2.c
@@ -147,6 +147,7 @@ static u32 omap2_iommu_fault_isr(struct iommu *obj, u32 *ra)
 	printk("\n");
 
 	iommu_write_reg(obj, stat, MMU_IRQSTATUS);
+	omap2_iommu_disable(obj);
 	return stat;
 }
 
@@ -212,7 +213,8 @@ static ssize_t omap2_dump_cr(struct iommu *obj, struct cr_regs *cr, char *buf)
 	char *p = buf;
 
 	/* FIXME: Need more detail analysis of cam/ram */
-	p += sprintf(p, "%08x %08x\n", cr->cam, cr->ram);
+	p += sprintf(p, "%08x %08x %01x\n", cr->cam, cr->ram,
+					(cr->cam & MMU_CAM_P) ? 1 : 0);
 
 	return p - buf;
 }
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index 0e137663349..1e83facb6b7 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -172,15 +172,12 @@ static void iotlb_lock_get(struct iommu *obj, struct iotlb_lock *l)
 	l->base = MMU_LOCK_BASE(val);
 	l->vict = MMU_LOCK_VICT(val);
 
-	BUG_ON(l->base != 0); /* Currently no preservation is used */
 }
 
 static void iotlb_lock_set(struct iommu *obj, struct iotlb_lock *l)
 {
 	u32 val;
 
-	BUG_ON(l->base != 0); /* Currently no preservation is used */
-
 	val = (l->base << MMU_LOCK_BASE_SHIFT);
 	val |= (l->vict << MMU_LOCK_VICT_SHIFT);
 
@@ -231,22 +228,32 @@ int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e)
 
 	clk_enable(obj->clk);
 
-	for (i = 0; i < obj->nr_tlb_entries; i++) {
-		struct cr_regs tmp;
-
-		iotlb_lock_get(obj, &l);
-		l.vict = i;
-		iotlb_lock_set(obj, &l);
-		iotlb_read_cr(obj, &tmp);
-		if (!iotlb_cr_valid(&tmp))
-			break;
-	}
-
-	if (i == obj->nr_tlb_entries) {
-		dev_dbg(obj->dev, "%s: full: no entry\n", __func__);
+	iotlb_lock_get(obj, &l);
+	if (l.base == obj->nr_tlb_entries) {
+		dev_warn(obj->dev, "%s: preserve entries full\n", __func__);
 		err = -EBUSY;
 		goto out;
 	}
+	if (!e->prsvd) {
+		for (i = l.base; i < obj->nr_tlb_entries; i++) {
+			struct cr_regs tmp;
+
+			iotlb_lock_get(obj, &l);
+			l.vict = i;
+			iotlb_lock_set(obj, &l);
+			iotlb_read_cr(obj, &tmp);
+			if (!iotlb_cr_valid(&tmp))
+				break;
+		}
+		if (i == obj->nr_tlb_entries) {
+			dev_dbg(obj->dev, "%s: full: no entry\n", __func__);
+			err = -EBUSY;
+			goto out;
+		}
+	} else {
+		l.vict = l.base;
+		iotlb_lock_set(obj, &l);
+	}
 
 	cr = iotlb_alloc_cr(obj, e);
 	if (IS_ERR(cr)) {
@@ -257,9 +264,11 @@ int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e)
 	iotlb_load_cr(obj, cr);
 	kfree(cr);
 
+	if (e->prsvd)
+		l.base++;
 	/* increment victim for next tlb load */
 	if (++l.vict == obj->nr_tlb_entries)
-		l.vict = 0;
+		l.vict = l.base;
 	iotlb_lock_set(obj, &l);
 out:
 	clk_disable(obj->clk);

From 37c2836c459181cc2ec24827f549a7238e7db39c Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Tue, 27 Apr 2010 05:37:12 +0000
Subject: [PATCH 1419/3638] omap iommu: Introduce iteration macro for iotlb
 entry scan

There are some places to scan iotlb entries. This iteration macro
could make these code a bit simpler with proceeding iotlb entries
transparently.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Tested-by: Hari Kanigeri <h-kanigeri2@ti.com>
---
 arch/arm/plat-omap/iommu.c | 58 ++++++++++++++++++++------------------
 1 file changed, 31 insertions(+), 27 deletions(-)

diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index 1e83facb6b7..9598d40e276 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -25,6 +25,11 @@
 
 #include "iopgtable.h"
 
+#define for_each_iotlb_cr(obj, n, __i, cr)				\
+	for (__i = 0;							\
+	     (__i < (n)) && (cr = __iotlb_read_cr((obj), __i), true);	\
+	     __i++)
+
 /* accommodate the difference between omap1 and omap2/3 */
 static const struct iommu_functions *arch_iommu;
 
@@ -211,6 +216,20 @@ static inline ssize_t iotlb_dump_cr(struct iommu *obj, struct cr_regs *cr,
 	return arch_iommu->dump_cr(obj, cr, buf);
 }
 
+/* only used in iotlb iteration for-loop */
+static struct cr_regs __iotlb_read_cr(struct iommu *obj, int n)
+{
+	struct cr_regs cr;
+	struct iotlb_lock l;
+
+	iotlb_lock_get(obj, &l);
+	l.vict = n;
+	iotlb_lock_set(obj, &l);
+	iotlb_read_cr(obj, &cr);
+
+	return cr;
+}
+
 /**
  * load_iotlb_entry - Set an iommu tlb entry
  * @obj:	target iommu
@@ -218,7 +237,6 @@ static inline ssize_t iotlb_dump_cr(struct iommu *obj, struct cr_regs *cr,
  **/
 int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e)
 {
-	int i;
 	int err = 0;
 	struct iotlb_lock l;
 	struct cr_regs *cr;
@@ -235,21 +253,20 @@ int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e)
 		goto out;
 	}
 	if (!e->prsvd) {
-		for (i = l.base; i < obj->nr_tlb_entries; i++) {
-			struct cr_regs tmp;
+		int i;
+		struct cr_regs tmp;
 
-			iotlb_lock_get(obj, &l);
-			l.vict = i;
-			iotlb_lock_set(obj, &l);
-			iotlb_read_cr(obj, &tmp);
+		for_each_iotlb_cr(obj, obj->nr_tlb_entries, i, tmp)
 			if (!iotlb_cr_valid(&tmp))
 				break;
-		}
+
 		if (i == obj->nr_tlb_entries) {
 			dev_dbg(obj->dev, "%s: full: no entry\n", __func__);
 			err = -EBUSY;
 			goto out;
 		}
+
+		iotlb_lock_get(obj, &l);
 	} else {
 		l.vict = l.base;
 		iotlb_lock_set(obj, &l);
@@ -285,20 +302,15 @@ EXPORT_SYMBOL_GPL(load_iotlb_entry);
  **/
 void flush_iotlb_page(struct iommu *obj, u32 da)
 {
-	struct iotlb_lock l;
 	int i;
+	struct cr_regs cr;
 
 	clk_enable(obj->clk);
 
-	for (i = 0; i < obj->nr_tlb_entries; i++) {
-		struct cr_regs cr;
+	for_each_iotlb_cr(obj, obj->nr_tlb_entries, i, cr) {
 		u32 start;
 		size_t bytes;
 
-		iotlb_lock_get(obj, &l);
-		l.vict = i;
-		iotlb_lock_set(obj, &l);
-		iotlb_read_cr(obj, &cr);
 		if (!iotlb_cr_valid(&cr))
 			continue;
 
@@ -308,7 +320,6 @@ void flush_iotlb_page(struct iommu *obj, u32 da)
 		if ((start <= da) && (da < start + bytes)) {
 			dev_dbg(obj->dev, "%s: %08x<=%08x(%x)\n",
 				__func__, start, da, bytes);
-			iotlb_load_cr(obj, &cr);
 			iommu_write_reg(obj, 1, MMU_FLUSH_ENTRY);
 		}
 	}
@@ -379,26 +390,19 @@ EXPORT_SYMBOL_GPL(iommu_dump_ctx);
 static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs, int num)
 {
 	int i;
-	struct iotlb_lock saved, l;
+	struct iotlb_lock saved;
+	struct cr_regs tmp;
 	struct cr_regs *p = crs;
 
 	clk_enable(obj->clk);
-
 	iotlb_lock_get(obj, &saved);
-	memcpy(&l, &saved, sizeof(saved));
 
-	for (i = 0; i < num; i++) {
-		struct cr_regs tmp;
-
-		iotlb_lock_get(obj, &l);
-		l.vict = i;
-		iotlb_lock_set(obj, &l);
-		iotlb_read_cr(obj, &tmp);
+	for_each_iotlb_cr(obj, num, i, tmp) {
 		if (!iotlb_cr_valid(&tmp))
 			continue;
-
 		*p++ = tmp;
 	}
+
 	iotlb_lock_set(obj, &saved);
 	clk_disable(obj->clk);
 

From 347815fcc63ac4c4a975bf3ca2c889c2f843ae0d Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Tue, 4 May 2010 14:52:17 +0300
Subject: [PATCH 1420/3638] omap iommu: Make CONFIG_OMAP_IOMMU_DEBUG selectable

This CONFIG_OMAP_IOMMU_DEBUG option cannot be selected because it's
not visible on menu. Make this option selectable.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 arch/arm/plat-omap/Kconfig | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 6da796ef82b..78b49a626d0 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -110,8 +110,13 @@ config OMAP_IOMMU
 	tristate
 
 config OMAP_IOMMU_DEBUG
-	depends on OMAP_IOMMU
-	tristate
+       tristate "Export OMAP IOMMU internals in DebugFS"
+       depends on OMAP_IOMMU && DEBUG_FS
+       help
+         Select this to see extensive information about
+         the internal state of OMAP IOMMU in debugfs.
+
+         Say N unless you know you need this.
 
 choice
 	prompt "System timer"

From fa460b88e0cc2b4254271be2da49e68d748db727 Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Thu, 6 May 2010 16:10:18 +0300
Subject: [PATCH 1421/3638] omap iommu: Insert a gap page between IOVMAs
 against override

Inserting a gap page between IOVMAs could detect an override on other
IOVMA with iommu fault. This was originally suggested by Sakari Ailus
and based on the work and comment by David Cohen.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: David Cohen <david.cohen@nokia.com>
Cc: Sakari Ailus <Sakari.Ailus@nokia.com>
---
 arch/arm/plat-omap/iovmm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 65c6d1ff723..5afe0135b97 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -287,16 +287,16 @@ static struct iovm_struct *alloc_iovm_area(struct iommu *obj, u32 da,
 	prev_end = 0;
 	list_for_each_entry(tmp, &obj->mmap, list) {
 
-		if ((prev_end <= start) && (start + bytes < tmp->da_start))
+		if ((prev_end < start) && (start + bytes < tmp->da_start))
 			goto found;
 
 		if (flags & IOVMF_DA_ANON)
-			start = roundup(tmp->da_end, alignement);
+			start = roundup(tmp->da_end + 1, alignement);
 
 		prev_end = tmp->da_end;
 	}
 
-	if ((start >= prev_end) && (ULONG_MAX - start >= bytes))
+	if ((start > prev_end) && (ULONG_MAX - start >= bytes))
 		goto found;
 
 	dev_dbg(obj->dev, "%s: no space to fit %08x(%x) flags: %08x\n",

From e0a42e4fcb6bf9f93c7e63246738333040263e3e Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Thu, 6 May 2010 17:09:25 +0300
Subject: [PATCH 1422/3638] omap iommu: Exit iteration if no possibility of
 available area

Searching avaialable spaces should be stopped as soon as it turns out
that there's no possibility with the rest of it.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---
 arch/arm/plat-omap/iovmm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 5afe0135b97..e43983ba59c 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -287,7 +287,10 @@ static struct iovm_struct *alloc_iovm_area(struct iommu *obj, u32 da,
 	prev_end = 0;
 	list_for_each_entry(tmp, &obj->mmap, list) {
 
-		if ((prev_end < start) && (start + bytes < tmp->da_start))
+		if (prev_end >= start)
+			break;
+
+		if (start + bytes < tmp->da_start)
 			goto found;
 
 		if (flags & IOVMF_DA_ANON)

From 4abb761749abfb4ec403e4054f9dae2ee604e54f Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Thu, 6 May 2010 18:24:04 +0300
Subject: [PATCH 1423/3638] omap iommu: Reject unaligned addresses at setting
 page table entry

This rejects unaligned device virtual address('da') and physical
address('pa') and informs error to caller when a page table entry is
set. Otherwise, a wrong address can be used by IO device.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: Hari Kanigeri <h-kanigeri2@ti.com>
---
 arch/arm/plat-omap/iommu.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index 9598d40e276..bc094dbacee 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -516,6 +516,12 @@ static int iopgd_alloc_section(struct iommu *obj, u32 da, u32 pa, u32 prot)
 {
 	u32 *iopgd = iopgd_offset(obj, da);
 
+	if ((da | pa) & ~IOSECTION_MASK) {
+		dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n",
+			__func__, da, pa, IOSECTION_SIZE);
+		return -EINVAL;
+	}
+
 	*iopgd = (pa & IOSECTION_MASK) | prot | IOPGD_SECTION;
 	flush_iopgd_range(iopgd, iopgd);
 	return 0;
@@ -526,6 +532,12 @@ static int iopgd_alloc_super(struct iommu *obj, u32 da, u32 pa, u32 prot)
 	u32 *iopgd = iopgd_offset(obj, da);
 	int i;
 
+	if ((da | pa) & ~IOSUPER_MASK) {
+		dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n",
+			__func__, da, pa, IOSUPER_SIZE);
+		return -EINVAL;
+	}
+
 	for (i = 0; i < 16; i++)
 		*(iopgd + i) = (pa & IOSUPER_MASK) | prot | IOPGD_SUPER;
 	flush_iopgd_range(iopgd, iopgd + 15);
@@ -555,6 +567,12 @@ static int iopte_alloc_large(struct iommu *obj, u32 da, u32 pa, u32 prot)
 	u32 *iopte = iopte_alloc(obj, iopgd, da);
 	int i;
 
+	if ((da | pa) & ~IOLARGE_MASK) {
+		dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n",
+			__func__, da, pa, IOLARGE_SIZE);
+		return -EINVAL;
+	}
+
 	if (IS_ERR(iopte))
 		return PTR_ERR(iopte);
 

From abab7ebf8cc12a6bb03d06b103a49e97276168f0 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Fri, 14 May 2010 09:14:24 +0100
Subject: [PATCH 1424/3638] mtd: cfi_cmdset_0002: Fix argument order in bootloc
 warning

Doh. Pointed out by Guillaume LECERF <glecerf@gmail.com> since I managed
to miss it in my test builds. S'what I get for hacking at 2am, I suppose.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 0e21b098248..87e86e93ebf 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -442,7 +442,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 			if ((bootloc < 2) || (bootloc > 5)) {
 				printk(KERN_WARNING "%s: CFI contains unrecognised boot "
 				       "bank location (%d). Assuming bottom.\n",
-				       bootloc, map->name);
+				       map->name, bootloc);
 				bootloc = 2;
 			}
 

From 6a99be5d7b5973767b1ffa4fa68fed0738589c99 Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Fri, 14 May 2010 14:05:51 +0100
Subject: [PATCH 1425/3638] GFS2: Fix typo

A missing ! in a test.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/sys.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 7afb62ec97c..68d2795f29a 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -233,7 +233,7 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len
 	glops = gfs2_glops_list[gltype];
 	if (glops == NULL)
 		return -EINVAL;
-	if (test_and_set_bit(SDF_DEMOTE, &sdp->sd_flags))
+	if (!test_and_set_bit(SDF_DEMOTE, &sdp->sd_flags))
 		fs_info(sdp, "demote interface used\n");
 	rv = gfs2_glock_get(sdp, glnum, glops, 0, &gl);
 	if (rv)

From 8f0820183056ad26dabc0202115848a92f1143fc Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Tue, 20 Apr 2010 10:47:33 -0400
Subject: [PATCH 1426/3638] tracing: Create class struct for events

This patch creates a ftrace_event_class struct that event structs point to.
This class struct will be made to hold information to modify the
events. Currently the class struct only holds the events system name.

This patch slightly increases the size, but this change lays the ground work
of other changes to make the footprint of tracepoints smaller.

With 82 standard tracepoints, and 618 system call tracepoints
(two tracepoints per syscall: enter and exit):

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4914025	1088868	 861512	6864405	 68be15	vmlinux.class

This patch also cleans up some stale comments in ftrace.h.

v2: Fixed missing semi-colon in macro.

Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h       |  6 +++-
 include/linux/syscalls.h           |  6 ++--
 include/trace/ftrace.h             | 44 +++++++++++++-----------------
 kernel/trace/trace_events.c        | 20 +++++++-------
 kernel/trace/trace_events_filter.c |  6 ++--
 kernel/trace/trace_export.c        |  6 +++-
 kernel/trace/trace_kprobe.c        | 12 ++++----
 kernel/trace/trace_syscalls.c      |  4 +++
 8 files changed, 56 insertions(+), 48 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 39e71b0a3bf..496eea898ee 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -113,10 +113,14 @@ void tracing_record_cmdline(struct task_struct *tsk);
 
 struct event_filter;
 
+struct ftrace_event_class {
+	char			*system;
+};
+
 struct ftrace_event_call {
 	struct list_head	list;
+	struct ftrace_event_class *class;
 	char			*name;
-	char			*system;
 	struct dentry		*dir;
 	struct trace_event	*event;
 	int			enabled;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 057929b0a65..ac5791df250 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -134,6 +134,8 @@ struct perf_event_attr;
 #define __SC_STR_TDECL5(t, a, ...)	#t, __SC_STR_TDECL4(__VA_ARGS__)
 #define __SC_STR_TDECL6(t, a, ...)	#t, __SC_STR_TDECL5(__VA_ARGS__)
 
+extern struct ftrace_event_class event_class_syscalls;
+
 #define SYSCALL_TRACE_ENTER_EVENT(sname)				\
 	static const struct syscall_metadata __syscall_meta_##sname;	\
 	static struct ftrace_event_call					\
@@ -146,7 +148,7 @@ struct perf_event_attr;
 	  __attribute__((section("_ftrace_events")))			\
 	  event_enter_##sname = {					\
 		.name                   = "sys_enter"#sname,		\
-		.system                 = "syscalls",			\
+		.class			= &event_class_syscalls,	\
 		.event                  = &enter_syscall_print_##sname,	\
 		.raw_init		= init_syscall_trace,		\
 		.define_fields		= syscall_enter_define_fields,	\
@@ -168,7 +170,7 @@ struct perf_event_attr;
 	  __attribute__((section("_ftrace_events")))			\
 	  event_exit_##sname = {					\
 		.name                   = "sys_exit"#sname,		\
-		.system                 = "syscalls",			\
+		.class			= &event_class_syscalls,	\
 		.event                  = &exit_syscall_print_##sname,	\
 		.raw_init		= init_syscall_trace,		\
 		.define_fields		= syscall_exit_define_fields,	\
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 75dd7787fb3..7dcdfd824aa 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -62,7 +62,10 @@
 		struct trace_entry	ent;				\
 		tstruct							\
 		char			__data[0];			\
-	};
+	};								\
+									\
+	static struct ftrace_event_class event_class_##name;
+
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, name, proto, args)	\
 	static struct ftrace_event_call			\
@@ -430,22 +433,6 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *
  * Override the macros in <trace/trace_events.h> to include the following:
  *
- * static void ftrace_event_<call>(proto)
- * {
- *	event_trace_printk(_RET_IP_, "<call>: " <fmt>);
- * }
- *
- * static int ftrace_reg_event_<call>(struct ftrace_event_call *unused)
- * {
- *	return register_trace_<call>(ftrace_event_<call>);
- * }
- *
- * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused)
- * {
- *	unregister_trace_<call>(ftrace_event_<call>);
- * }
- *
- *
  * For those macros defined with TRACE_EVENT:
  *
  * static struct ftrace_event_call event_<call>;
@@ -497,17 +484,21 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *
  * static const char print_fmt_<call>[] = <TP_printk>;
  *
+ * static struct ftrace_event_class __used event_class_<template> = {
+ *	.system			= "<system>",
+ * };
+ *
  * static struct ftrace_event_call __used
  * __attribute__((__aligned__(4)))
  * __attribute__((section("_ftrace_events"))) event_<call> = {
  *	.name			= "<call>",
- *	.system			= "<system>",
+ *	.class			= event_class_<template>,
  *	.raw_init		= trace_event_raw_init,
- *	.regfunc		= ftrace_reg_event_<call>,
- *	.unregfunc		= ftrace_unreg_event_<call>,
+ *	.regfunc		= ftrace_raw_reg_event_<call>,
+ *	.unregfunc		= ftrace_raw_unreg_event_<call>,
  *	.print_fmt		= print_fmt_<call>,
  *	.define_fields		= ftrace_define_fields_<call>,
- * }
+ * };
  *
  */
 
@@ -627,7 +618,10 @@ static struct trace_event ftrace_event_type_##call = {			\
 
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
-static const char print_fmt_##call[] = print;
+static const char print_fmt_##call[] = print;				\
+static struct ftrace_event_class __used event_class_##call = {		\
+	.system			= __stringify(TRACE_SYSTEM)		\
+};
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)			\
@@ -636,7 +630,7 @@ static struct ftrace_event_call __used					\
 __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
-	.system			= __stringify(TRACE_SYSTEM),		\
+	.class			= &event_class_##template,		\
 	.event			= &ftrace_event_type_##call,		\
 	.raw_init		= trace_event_raw_init,			\
 	.regfunc		= ftrace_raw_reg_event_##call,		\
@@ -644,7 +638,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.print_fmt		= print_fmt_##template,			\
 	.define_fields		= ftrace_define_fields_##template,	\
 	_TRACE_PERF_INIT(call)					\
-}
+};
 
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
@@ -655,7 +649,7 @@ static struct ftrace_event_call __used					\
 __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
-	.system			= __stringify(TRACE_SYSTEM),		\
+	.class			= &event_class_##template,		\
 	.event			= &ftrace_event_type_##call,		\
 	.raw_init		= trace_event_raw_init,			\
 	.regfunc		= ftrace_raw_reg_event_##call,		\
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index c697c704334..2f54b48d363 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -176,10 +176,10 @@ static int __ftrace_set_clr_event(const char *match, const char *sub,
 
 		if (match &&
 		    strcmp(match, call->name) != 0 &&
-		    strcmp(match, call->system) != 0)
+		    strcmp(match, call->class->system) != 0)
 			continue;
 
-		if (sub && strcmp(sub, call->system) != 0)
+		if (sub && strcmp(sub, call->class->system) != 0)
 			continue;
 
 		if (event && strcmp(event, call->name) != 0)
@@ -355,8 +355,8 @@ static int t_show(struct seq_file *m, void *v)
 {
 	struct ftrace_event_call *call = v;
 
-	if (strcmp(call->system, TRACE_SYSTEM) != 0)
-		seq_printf(m, "%s:", call->system);
+	if (strcmp(call->class->system, TRACE_SYSTEM) != 0)
+		seq_printf(m, "%s:", call->class->system);
 	seq_printf(m, "%s\n", call->name);
 
 	return 0;
@@ -453,7 +453,7 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 		if (!call->name || !call->regfunc)
 			continue;
 
-		if (system && strcmp(call->system, system) != 0)
+		if (system && strcmp(call->class->system, system) != 0)
 			continue;
 
 		/*
@@ -925,8 +925,8 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
 	 * If the trace point header did not define TRACE_SYSTEM
 	 * then the system would be called "TRACE_SYSTEM".
 	 */
-	if (strcmp(call->system, TRACE_SYSTEM) != 0)
-		d_events = event_subsystem_dir(call->system, d_events);
+	if (strcmp(call->class->system, TRACE_SYSTEM) != 0)
+		d_events = event_subsystem_dir(call->class->system, d_events);
 
 	call->dir = debugfs_create_dir(call->name, d_events);
 	if (!call->dir) {
@@ -1041,7 +1041,7 @@ static void __trace_remove_event_call(struct ftrace_event_call *call)
 	list_del(&call->list);
 	trace_destroy_fields(call);
 	destroy_preds(call);
-	remove_subsystem_dir(call->system);
+	remove_subsystem_dir(call->class->system);
 }
 
 /* Remove an event_call */
@@ -1399,8 +1399,8 @@ static __init void event_trace_self_tests(void)
  * syscalls as we test.
  */
 #ifndef CONFIG_EVENT_TRACE_TEST_SYSCALLS
-		if (call->system &&
-		    strcmp(call->system, "syscalls") == 0)
+		if (call->class->system &&
+		    strcmp(call->class->system, "syscalls") == 0)
 			continue;
 #endif
 
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 88c0b6dbd7f..ca329603d0b 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -628,7 +628,7 @@ static int init_subsystem_preds(struct event_subsystem *system)
 		if (!call->define_fields)
 			continue;
 
-		if (strcmp(call->system, system->name) != 0)
+		if (strcmp(call->class->system, system->name) != 0)
 			continue;
 
 		err = init_preds(call);
@@ -647,7 +647,7 @@ static void filter_free_subsystem_preds(struct event_subsystem *system)
 		if (!call->define_fields)
 			continue;
 
-		if (strcmp(call->system, system->name) != 0)
+		if (strcmp(call->class->system, system->name) != 0)
 			continue;
 
 		filter_disable_preds(call);
@@ -1252,7 +1252,7 @@ static int replace_system_preds(struct event_subsystem *system,
 		if (!call->define_fields)
 			continue;
 
-		if (strcmp(call->system, system->name) != 0)
+		if (strcmp(call->class->system, system->name) != 0)
 			continue;
 
 		/* try to see if the filter can be applied */
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index e091f64ba6c..7f16e216381 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -18,6 +18,10 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM	ftrace
 
+struct ftrace_event_class event_class_ftrace = {
+	.system			= __stringify(TRACE_SYSTEM),
+};
+
 /* not needed for this file */
 #undef __field_struct
 #define __field_struct(type, item)
@@ -160,7 +164,7 @@ __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
 	.id			= type,					\
-	.system			= __stringify(TRACE_SYSTEM),		\
+	.class			= &event_class_ftrace,			\
 	.raw_init		= ftrace_raw_init_event,		\
 	.print_fmt		= print,				\
 	.define_fields		= ftrace_define_fields_##call,		\
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 1251e367bae..eda220bf206 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -332,8 +332,8 @@ static struct trace_probe *alloc_trace_probe(const char *group,
 		goto error;
 	}
 
-	tp->call.system = kstrdup(group, GFP_KERNEL);
-	if (!tp->call.system)
+	tp->call.class->system = kstrdup(group, GFP_KERNEL);
+	if (!tp->call.class->system)
 		goto error;
 
 	INIT_LIST_HEAD(&tp->list);
@@ -361,7 +361,7 @@ static void free_trace_probe(struct trace_probe *tp)
 	for (i = 0; i < tp->nr_args; i++)
 		free_probe_arg(&tp->args[i]);
 
-	kfree(tp->call.system);
+	kfree(tp->call.class->system);
 	kfree(tp->call.name);
 	kfree(tp->symbol);
 	kfree(tp);
@@ -374,7 +374,7 @@ static struct trace_probe *find_probe_event(const char *event,
 
 	list_for_each_entry(tp, &probe_list, list)
 		if (strcmp(tp->call.name, event) == 0 &&
-		    strcmp(tp->call.system, group) == 0)
+		    strcmp(tp->call.class->system, group) == 0)
 			return tp;
 	return NULL;
 }
@@ -399,7 +399,7 @@ static int register_trace_probe(struct trace_probe *tp)
 	mutex_lock(&probe_lock);
 
 	/* register as an event */
-	old_tp = find_probe_event(tp->call.name, tp->call.system);
+	old_tp = find_probe_event(tp->call.name, tp->call.class->system);
 	if (old_tp) {
 		/* delete old event */
 		unregister_trace_probe(old_tp);
@@ -798,7 +798,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
 	char buf[MAX_ARGSTR_LEN + 1];
 
 	seq_printf(m, "%c", probe_is_return(tp) ? 'r' : 'p');
-	seq_printf(m, ":%s/%s", tp->call.system, tp->call.name);
+	seq_printf(m, ":%s/%s", tp->call.class->system, tp->call.name);
 
 	if (!tp->symbol)
 		seq_printf(m, " 0x%p", tp->rp.kp.addr);
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 4d6d711717f..d036a74a64f 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -15,6 +15,10 @@ static int sys_refcount_exit;
 static DECLARE_BITMAP(enabled_enter_syscalls, NR_syscalls);
 static DECLARE_BITMAP(enabled_exit_syscalls, NR_syscalls);
 
+struct ftrace_event_class event_class_syscalls = {
+	.system			= "syscalls"
+};
+
 extern unsigned long __start_syscalls_metadata[];
 extern unsigned long __stop_syscalls_metadata[];
 

From 53da59aa6dd881fd0bbdd058a8a299d90ce9dd1d Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Fri, 30 Apr 2010 12:59:59 -0400
Subject: [PATCH 1427/3638] tracepoints: Add check trace callback type

This check is meant to be used by tracepoint users which do a direct cast of
callbacks to (void *) for direct registration, thus bypassing the
register_trace_##name and unregister_trace_##name checks.

This permits to ensure that the callback type matches the function type at the
call site, but without generating any code.

Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
LKML-Reference: <20100430165959.GA25605@Krystal>
CC: Ingo Molnar <mingo@elte.hu>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Peter Zijlstra <peterz@infradead.org>
CC: Arnaldo Carvalho de Melo <acme@redhat.com>
CC: Lai Jiangshan <laijs@cn.fujitsu.com>
CC: Li Zefan <lizf@cn.fujitsu.com>
CC: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/tracepoint.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 1d85f9a6a19..8d5e4f6d96d 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -137,9 +137,11 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
 	static inline int unregister_trace_##name(void (*probe)(proto))	\
 	{								\
 		return tracepoint_probe_unregister(#name, (void *)probe);\
+	}								\
+	static inline void check_trace_callback_type_##name(void (*cb)(proto)) \
+	{								\
 	}
 
-
 #define DEFINE_TRACE_FN(name, reg, unreg)				\
 	static const char __tpstrtab_##name[]				\
 	__attribute__((section("__tracepoints_strings"))) = #name;	\
@@ -168,6 +170,9 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
 	static inline int unregister_trace_##name(void (*probe)(proto))	\
 	{								\
 		return -ENOSYS;						\
+	}								\
+	static inline void check_trace_callback_type_##name(void (*cb)(proto)) \
+	{								\
 	}
 
 #define DEFINE_TRACE_FN(name, reg, unreg)

From 38516ab59fbc5b3bb278cf5e1fe2867c70cff32e Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Tue, 20 Apr 2010 17:04:50 -0400
Subject: [PATCH 1428/3638] tracing: Let tracepoints have data passed to
 tracepoint callbacks

This patch adds data to be passed to tracepoint callbacks.

The created functions from DECLARE_TRACE() now need a mandatory data
parameter. For example:

DECLARE_TRACE(mytracepoint, int value, value)

Will create the register function:

int register_trace_mytracepoint((void(*)(void *data, int value))probe,
                                void *data);

As the first argument, all callbacks (probes) must take a (void *data)
parameter. So a callback for the above tracepoint will look like:

void myprobe(void *data, int value)
{
}

The callback may choose to ignore the data parameter.

This change allows callbacks to register a private data pointer along
with the function probe.

	void mycallback(void *data, int value);

	register_trace_mytracepoint(mycallback, mydata);

Then the mycallback() will receive the "mydata" as the first parameter
before the args.

A more detailed example:

  DECLARE_TRACE(mytracepoint, TP_PROTO(int status), TP_ARGS(status));

  /* In the C file */

  DEFINE_TRACE(mytracepoint, TP_PROTO(int status), TP_ARGS(status));

  [...]

       trace_mytracepoint(status);

  /* In a file registering this tracepoint */

  int my_callback(void *data, int status)
  {
	struct my_struct my_data = data;
	[...]
  }

  [...]
	my_data = kmalloc(sizeof(*my_data), GFP_KERNEL);
	init_my_data(my_data);
	register_trace_mytracepoint(my_callback, my_data);

The same callback can also be registered to the same tracepoint as long
as the data registered is different. Note, the data must also be used
to unregister the callback:

	unregister_trace_mytracepoint(my_callback, my_data);

Because of the data parameter, tracepoints declared this way can not have
no args. That is:

  DECLARE_TRACE(mytracepoint, TP_PROTO(void), TP_ARGS());

will cause an error.

If no arguments are needed, a new macro can be used instead:

  DECLARE_TRACE_NOARGS(mytracepoint);

Since there are no arguments, the proto and args fields are left out.

This is part of a series to make the tracepoint footprint smaller:

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4914025	1088868	 861512	6864405	 68be15	vmlinux.class
4918492	1084612	 861512	6864616	 68bee8	vmlinux.tracepoint

Again, this patch also increases the size of the kernel, but
lays the ground work for decreasing it.

 v5: Fixed net/core/drop_monitor.c to handle these updates.

 v4: Moved the DECLARE_TRACE() DECLARE_TRACE_NOARGS out of the
     #ifdef CONFIG_TRACE_POINTS, since the two are the same in both
     cases. The __DECLARE_TRACE() is what changes.
     Thanks to Frederic Weisbecker for pointing this out.

 v3: Made all register_* functions require data to be passed and
     all callbacks to take a void * parameter as its first argument.
     This makes the calling functions comply with C standards.

     Also added more comments to the modifications of DECLARE_TRACE().

 v2: Made the DECLARE_TRACE() have the ability to pass arguments
     and added a new DECLARE_TRACE_NOARGS() for tracepoints that
     do not need any arguments.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/tracepoint.h                    |  95 +++++++++----
 include/trace/ftrace.h                        |  14 +-
 kernel/trace/blktrace.c                       | 125 ++++++++++--------
 kernel/trace/ftrace.c                         |   7 +-
 kernel/trace/kmemtrace.c                      |  42 +++---
 kernel/trace/trace_sched_switch.c             |  20 +--
 kernel/trace/trace_sched_wakeup.c             |  28 ++--
 kernel/trace/trace_syscalls.c                 |  24 ++--
 kernel/trace/trace_workqueue.c                |  26 ++--
 kernel/tracepoint.c                           |  91 +++++++------
 net/core/drop_monitor.c                       |  12 +-
 samples/tracepoints/tp-samples-trace.h        |   4 +-
 samples/tracepoints/tracepoint-probe-sample.c |  13 +-
 .../tracepoints/tracepoint-probe-sample2.c    |   7 +-
 14 files changed, 298 insertions(+), 210 deletions(-)

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 8d5e4f6d96d..9a59d1f98cd 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -20,12 +20,17 @@
 struct module;
 struct tracepoint;
 
+struct tracepoint_func {
+	void *func;
+	void *data;
+};
+
 struct tracepoint {
 	const char *name;		/* Tracepoint name */
 	int state;			/* State. */
 	void (*regfunc)(void);
 	void (*unregfunc)(void);
-	void **funcs;
+	struct tracepoint_func *funcs;
 } __attribute__((aligned(32)));		/*
 					 * Aligned on 32 bytes because it is
 					 * globally visible and gcc happily
@@ -37,16 +42,19 @@ struct tracepoint {
  * Connect a probe to a tracepoint.
  * Internal API, should not be used directly.
  */
-extern int tracepoint_probe_register(const char *name, void *probe);
+extern int tracepoint_probe_register(const char *name, void *probe, void *data);
 
 /*
  * Disconnect a probe from a tracepoint.
  * Internal API, should not be used directly.
  */
-extern int tracepoint_probe_unregister(const char *name, void *probe);
+extern int
+tracepoint_probe_unregister(const char *name, void *probe, void *data);
 
-extern int tracepoint_probe_register_noupdate(const char *name, void *probe);
-extern int tracepoint_probe_unregister_noupdate(const char *name, void *probe);
+extern int tracepoint_probe_register_noupdate(const char *name, void *probe,
+					      void *data);
+extern int tracepoint_probe_unregister_noupdate(const char *name, void *probe,
+						void *data);
 extern void tracepoint_probe_update_all(void);
 
 struct tracepoint_iter {
@@ -102,17 +110,27 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
 /*
  * it_func[0] is never NULL because there is at least one element in the array
  * when the array itself is non NULL.
+ *
+ * Note, the proto and args passed in includes "__data" as the first parameter.
+ * The reason for this is to handle the "void" prototype. If a tracepoint
+ * has a "void" prototype, then it is invalid to declare a function
+ * as "(void *, void)". The DECLARE_TRACE_NOARGS() will pass in just
+ * "void *data", where as the DECLARE_TRACE() will pass in "void *data, proto".
  */
 #define __DO_TRACE(tp, proto, args)					\
 	do {								\
-		void **it_func;						\
+		struct tracepoint_func *it_func_ptr;			\
+		void *it_func;						\
+		void *__data;						\
 									\
 		rcu_read_lock_sched_notrace();				\
-		it_func = rcu_dereference_sched((tp)->funcs);		\
-		if (it_func) {						\
+		it_func_ptr = rcu_dereference_sched((tp)->funcs);	\
+		if (it_func_ptr) {					\
 			do {						\
-				((void(*)(proto))(*it_func))(args);	\
-			} while (*(++it_func));				\
+				it_func = (it_func_ptr)->func;		\
+				__data = (it_func_ptr)->data;		\
+				((void(*)(proto))(it_func))(args);	\
+			} while ((++it_func_ptr)->func);		\
 		}							\
 		rcu_read_unlock_sched_notrace();			\
 	} while (0)
@@ -122,23 +140,29 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
  * not add unwanted padding between the beginning of the section and the
  * structure. Force alignment to the same alignment as the section start.
  */
-#define DECLARE_TRACE(name, proto, args)				\
+#define __DECLARE_TRACE(name, proto, args, data_proto, data_args)	\
 	extern struct tracepoint __tracepoint_##name;			\
 	static inline void trace_##name(proto)				\
 	{								\
 		if (unlikely(__tracepoint_##name.state))		\
 			__DO_TRACE(&__tracepoint_##name,		\
-				TP_PROTO(proto), TP_ARGS(args));	\
+				TP_PROTO(data_proto),			\
+				TP_ARGS(data_args));			\
 	}								\
-	static inline int register_trace_##name(void (*probe)(proto))	\
+	static inline int						\
+	register_trace_##name(void (*probe)(data_proto), void *data)	\
 	{								\
-		return tracepoint_probe_register(#name, (void *)probe);	\
+		return tracepoint_probe_register(#name, (void *)probe,	\
+						 data);			\
 	}								\
-	static inline int unregister_trace_##name(void (*probe)(proto))	\
+	static inline int						\
+	unregister_trace_##name(void (*probe)(data_proto), void *data)	\
 	{								\
-		return tracepoint_probe_unregister(#name, (void *)probe);\
+		return tracepoint_probe_unregister(#name, (void *)probe, \
+						   data);		\
 	}								\
-	static inline void check_trace_callback_type_##name(void (*cb)(proto)) \
+	static inline void						\
+	check_trace_callback_type_##name(void (*cb)(data_proto))	\
 	{								\
 	}
 
@@ -158,20 +182,22 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
 	EXPORT_SYMBOL(__tracepoint_##name)
 
 #else /* !CONFIG_TRACEPOINTS */
-#define DECLARE_TRACE(name, proto, args)				\
-	static inline void _do_trace_##name(struct tracepoint *tp, proto) \
-	{ }								\
+#define __DECLARE_TRACE(name, proto, args, data_proto, data_args)	\
 	static inline void trace_##name(proto)				\
 	{ }								\
-	static inline int register_trace_##name(void (*probe)(proto))	\
+	static inline int						\
+	register_trace_##name(void (*probe)(data_proto),		\
+			      void *data)				\
 	{								\
 		return -ENOSYS;						\
 	}								\
-	static inline int unregister_trace_##name(void (*probe)(proto))	\
+	static inline int						\
+	unregister_trace_##name(void (*probe)(data_proto),		\
+				void *data)				\
 	{								\
 		return -ENOSYS;						\
 	}								\
-	static inline void check_trace_callback_type_##name(void (*cb)(proto)) \
+	static inline void check_trace_callback_type_##name(void (*cb)(data_proto)) \
 	{								\
 	}
 
@@ -181,6 +207,29 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
 #define EXPORT_TRACEPOINT_SYMBOL(name)
 
 #endif /* CONFIG_TRACEPOINTS */
+
+/*
+ * The need for the DECLARE_TRACE_NOARGS() is to handle the prototype
+ * (void). "void" is a special value in a function prototype and can
+ * not be combined with other arguments. Since the DECLARE_TRACE()
+ * macro adds a data element at the beginning of the prototype,
+ * we need a way to differentiate "(void *data, proto)" from
+ * "(void *data, void)". The second prototype is invalid.
+ *
+ * DECLARE_TRACE_NOARGS() passes "void" as the tracepoint prototype
+ * and "void *__data" as the callback prototype.
+ *
+ * DECLARE_TRACE() passes "proto" as the tracepoint protoype and
+ * "void *__data, proto" as the callback prototype.
+ */
+#define DECLARE_TRACE_NOARGS(name)					\
+		__DECLARE_TRACE(name, void, , void *__data, __data)
+
+#define DECLARE_TRACE(name, proto, args)				\
+		__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),	\
+				PARAMS(void *__data, proto),		\
+				PARAMS(__data, args))
+
 #endif /* DECLARE_TRACE */
 
 #ifndef TRACE_EVENT
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 7dcdfd824aa..ba28b644f41 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -406,18 +406,18 @@ static inline notrace int ftrace_get_offsets_##call(			\
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, name, proto, args)			\
 									\
-static void perf_trace_##name(proto);					\
+static void perf_trace_##name(void *, proto);				\
 									\
 static notrace int							\
 perf_trace_enable_##name(struct ftrace_event_call *unused)		\
 {									\
-	return register_trace_##name(perf_trace_##name);		\
+	return register_trace_##name(perf_trace_##name, NULL);		\
 }									\
 									\
 static notrace void							\
 perf_trace_disable_##name(struct ftrace_event_call *unused)		\
 {									\
-	unregister_trace_##name(perf_trace_##name);			\
+	unregister_trace_##name(perf_trace_##name, NULL);		\
 }
 
 #undef DEFINE_EVENT_PRINT
@@ -578,7 +578,7 @@ ftrace_raw_event_id_##call(struct ftrace_event_call *event_call,	\
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)			\
 									\
-static notrace void ftrace_raw_event_##call(proto)			\
+static notrace void ftrace_raw_event_##call(void *__ignore, proto)	\
 {									\
 	ftrace_raw_event_id_##template(&event_##call, args);		\
 }									\
@@ -586,13 +586,13 @@ static notrace void ftrace_raw_event_##call(proto)			\
 static notrace int							\
 ftrace_raw_reg_event_##call(struct ftrace_event_call *unused)		\
 {									\
-	return register_trace_##call(ftrace_raw_event_##call);		\
+	return register_trace_##call(ftrace_raw_event_##call, NULL);	\
 }									\
 									\
 static notrace void							\
 ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused)		\
 {									\
-	unregister_trace_##call(ftrace_raw_event_##call);		\
+	unregister_trace_##call(ftrace_raw_event_##call, NULL);		\
 }									\
 									\
 static struct trace_event ftrace_event_type_##call = {			\
@@ -793,7 +793,7 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)		\
-static notrace void perf_trace_##call(proto)			\
+static notrace void perf_trace_##call(void *__ignore, proto)	\
 {								\
 	struct ftrace_event_call *event_call = &event_##call;	\
 								\
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index b3bc91a3f51..19d93f83e3c 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -675,28 +675,33 @@ static void blk_add_trace_rq(struct request_queue *q, struct request *rq,
 	}
 }
 
-static void blk_add_trace_rq_abort(struct request_queue *q, struct request *rq)
+static void blk_add_trace_rq_abort(void *ignore,
+				   struct request_queue *q, struct request *rq)
 {
 	blk_add_trace_rq(q, rq, BLK_TA_ABORT);
 }
 
-static void blk_add_trace_rq_insert(struct request_queue *q, struct request *rq)
+static void blk_add_trace_rq_insert(void *ignore,
+				    struct request_queue *q, struct request *rq)
 {
 	blk_add_trace_rq(q, rq, BLK_TA_INSERT);
 }
 
-static void blk_add_trace_rq_issue(struct request_queue *q, struct request *rq)
+static void blk_add_trace_rq_issue(void *ignore,
+				   struct request_queue *q, struct request *rq)
 {
 	blk_add_trace_rq(q, rq, BLK_TA_ISSUE);
 }
 
-static void blk_add_trace_rq_requeue(struct request_queue *q,
+static void blk_add_trace_rq_requeue(void *ignore,
+				     struct request_queue *q,
 				     struct request *rq)
 {
 	blk_add_trace_rq(q, rq, BLK_TA_REQUEUE);
 }
 
-static void blk_add_trace_rq_complete(struct request_queue *q,
+static void blk_add_trace_rq_complete(void *ignore,
+				      struct request_queue *q,
 				      struct request *rq)
 {
 	blk_add_trace_rq(q, rq, BLK_TA_COMPLETE);
@@ -724,34 +729,40 @@ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio,
 			!bio_flagged(bio, BIO_UPTODATE), 0, NULL);
 }
 
-static void blk_add_trace_bio_bounce(struct request_queue *q, struct bio *bio)
+static void blk_add_trace_bio_bounce(void *ignore,
+				     struct request_queue *q, struct bio *bio)
 {
 	blk_add_trace_bio(q, bio, BLK_TA_BOUNCE);
 }
 
-static void blk_add_trace_bio_complete(struct request_queue *q, struct bio *bio)
+static void blk_add_trace_bio_complete(void *ignore,
+				       struct request_queue *q, struct bio *bio)
 {
 	blk_add_trace_bio(q, bio, BLK_TA_COMPLETE);
 }
 
-static void blk_add_trace_bio_backmerge(struct request_queue *q,
+static void blk_add_trace_bio_backmerge(void *ignore,
+					struct request_queue *q,
 					struct bio *bio)
 {
 	blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE);
 }
 
-static void blk_add_trace_bio_frontmerge(struct request_queue *q,
+static void blk_add_trace_bio_frontmerge(void *ignore,
+					 struct request_queue *q,
 					 struct bio *bio)
 {
 	blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE);
 }
 
-static void blk_add_trace_bio_queue(struct request_queue *q, struct bio *bio)
+static void blk_add_trace_bio_queue(void *ignore,
+				    struct request_queue *q, struct bio *bio)
 {
 	blk_add_trace_bio(q, bio, BLK_TA_QUEUE);
 }
 
-static void blk_add_trace_getrq(struct request_queue *q,
+static void blk_add_trace_getrq(void *ignore,
+				struct request_queue *q,
 				struct bio *bio, int rw)
 {
 	if (bio)
@@ -765,7 +776,8 @@ static void blk_add_trace_getrq(struct request_queue *q,
 }
 
 
-static void blk_add_trace_sleeprq(struct request_queue *q,
+static void blk_add_trace_sleeprq(void *ignore,
+				  struct request_queue *q,
 				  struct bio *bio, int rw)
 {
 	if (bio)
@@ -779,7 +791,7 @@ static void blk_add_trace_sleeprq(struct request_queue *q,
 	}
 }
 
-static void blk_add_trace_plug(struct request_queue *q)
+static void blk_add_trace_plug(void *ignore, struct request_queue *q)
 {
 	struct blk_trace *bt = q->blk_trace;
 
@@ -787,7 +799,7 @@ static void blk_add_trace_plug(struct request_queue *q)
 		__blk_add_trace(bt, 0, 0, 0, BLK_TA_PLUG, 0, 0, NULL);
 }
 
-static void blk_add_trace_unplug_io(struct request_queue *q)
+static void blk_add_trace_unplug_io(void *ignore, struct request_queue *q)
 {
 	struct blk_trace *bt = q->blk_trace;
 
@@ -800,7 +812,7 @@ static void blk_add_trace_unplug_io(struct request_queue *q)
 	}
 }
 
-static void blk_add_trace_unplug_timer(struct request_queue *q)
+static void blk_add_trace_unplug_timer(void *ignore, struct request_queue *q)
 {
 	struct blk_trace *bt = q->blk_trace;
 
@@ -813,7 +825,8 @@ static void blk_add_trace_unplug_timer(struct request_queue *q)
 	}
 }
 
-static void blk_add_trace_split(struct request_queue *q, struct bio *bio,
+static void blk_add_trace_split(void *ignore,
+				struct request_queue *q, struct bio *bio,
 				unsigned int pdu)
 {
 	struct blk_trace *bt = q->blk_trace;
@@ -839,8 +852,9 @@ static void blk_add_trace_split(struct request_queue *q, struct bio *bio,
  *     it spans a stripe (or similar). Add a trace for that action.
  *
  **/
-static void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
-				       dev_t dev, sector_t from)
+static void blk_add_trace_remap(void *ignore,
+				struct request_queue *q, struct bio *bio,
+				dev_t dev, sector_t from)
 {
 	struct blk_trace *bt = q->blk_trace;
 	struct blk_io_trace_remap r;
@@ -869,7 +883,8 @@ static void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
  *     Add a trace for that action.
  *
  **/
-static void blk_add_trace_rq_remap(struct request_queue *q,
+static void blk_add_trace_rq_remap(void *ignore,
+				   struct request_queue *q,
 				   struct request *rq, dev_t dev,
 				   sector_t from)
 {
@@ -921,64 +936,64 @@ static void blk_register_tracepoints(void)
 {
 	int ret;
 
-	ret = register_trace_block_rq_abort(blk_add_trace_rq_abort);
+	ret = register_trace_block_rq_abort(blk_add_trace_rq_abort, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_rq_insert(blk_add_trace_rq_insert);
+	ret = register_trace_block_rq_insert(blk_add_trace_rq_insert, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_rq_issue(blk_add_trace_rq_issue);
+	ret = register_trace_block_rq_issue(blk_add_trace_rq_issue, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_rq_requeue(blk_add_trace_rq_requeue);
+	ret = register_trace_block_rq_requeue(blk_add_trace_rq_requeue, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_rq_complete(blk_add_trace_rq_complete);
+	ret = register_trace_block_rq_complete(blk_add_trace_rq_complete, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_bio_bounce(blk_add_trace_bio_bounce);
+	ret = register_trace_block_bio_bounce(blk_add_trace_bio_bounce, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_bio_complete(blk_add_trace_bio_complete);
+	ret = register_trace_block_bio_complete(blk_add_trace_bio_complete, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_bio_backmerge(blk_add_trace_bio_backmerge);
+	ret = register_trace_block_bio_backmerge(blk_add_trace_bio_backmerge, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge);
+	ret = register_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_bio_queue(blk_add_trace_bio_queue);
+	ret = register_trace_block_bio_queue(blk_add_trace_bio_queue, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_getrq(blk_add_trace_getrq);
+	ret = register_trace_block_getrq(blk_add_trace_getrq, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_sleeprq(blk_add_trace_sleeprq);
+	ret = register_trace_block_sleeprq(blk_add_trace_sleeprq, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_plug(blk_add_trace_plug);
+	ret = register_trace_block_plug(blk_add_trace_plug, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_unplug_timer(blk_add_trace_unplug_timer);
+	ret = register_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_unplug_io(blk_add_trace_unplug_io);
+	ret = register_trace_block_unplug_io(blk_add_trace_unplug_io, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_split(blk_add_trace_split);
+	ret = register_trace_block_split(blk_add_trace_split, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_remap(blk_add_trace_remap);
+	ret = register_trace_block_remap(blk_add_trace_remap, NULL);
 	WARN_ON(ret);
-	ret = register_trace_block_rq_remap(blk_add_trace_rq_remap);
+	ret = register_trace_block_rq_remap(blk_add_trace_rq_remap, NULL);
 	WARN_ON(ret);
 }
 
 static void blk_unregister_tracepoints(void)
 {
-	unregister_trace_block_rq_remap(blk_add_trace_rq_remap);
-	unregister_trace_block_remap(blk_add_trace_remap);
-	unregister_trace_block_split(blk_add_trace_split);
-	unregister_trace_block_unplug_io(blk_add_trace_unplug_io);
-	unregister_trace_block_unplug_timer(blk_add_trace_unplug_timer);
-	unregister_trace_block_plug(blk_add_trace_plug);
-	unregister_trace_block_sleeprq(blk_add_trace_sleeprq);
-	unregister_trace_block_getrq(blk_add_trace_getrq);
-	unregister_trace_block_bio_queue(blk_add_trace_bio_queue);
-	unregister_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge);
-	unregister_trace_block_bio_backmerge(blk_add_trace_bio_backmerge);
-	unregister_trace_block_bio_complete(blk_add_trace_bio_complete);
-	unregister_trace_block_bio_bounce(blk_add_trace_bio_bounce);
-	unregister_trace_block_rq_complete(blk_add_trace_rq_complete);
-	unregister_trace_block_rq_requeue(blk_add_trace_rq_requeue);
-	unregister_trace_block_rq_issue(blk_add_trace_rq_issue);
-	unregister_trace_block_rq_insert(blk_add_trace_rq_insert);
-	unregister_trace_block_rq_abort(blk_add_trace_rq_abort);
+	unregister_trace_block_rq_remap(blk_add_trace_rq_remap, NULL);
+	unregister_trace_block_remap(blk_add_trace_remap, NULL);
+	unregister_trace_block_split(blk_add_trace_split, NULL);
+	unregister_trace_block_unplug_io(blk_add_trace_unplug_io, NULL);
+	unregister_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL);
+	unregister_trace_block_plug(blk_add_trace_plug, NULL);
+	unregister_trace_block_sleeprq(blk_add_trace_sleeprq, NULL);
+	unregister_trace_block_getrq(blk_add_trace_getrq, NULL);
+	unregister_trace_block_bio_queue(blk_add_trace_bio_queue, NULL);
+	unregister_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge, NULL);
+	unregister_trace_block_bio_backmerge(blk_add_trace_bio_backmerge, NULL);
+	unregister_trace_block_bio_complete(blk_add_trace_bio_complete, NULL);
+	unregister_trace_block_bio_bounce(blk_add_trace_bio_bounce, NULL);
+	unregister_trace_block_rq_complete(blk_add_trace_rq_complete, NULL);
+	unregister_trace_block_rq_requeue(blk_add_trace_rq_requeue, NULL);
+	unregister_trace_block_rq_issue(blk_add_trace_rq_issue, NULL);
+	unregister_trace_block_rq_insert(blk_add_trace_rq_insert, NULL);
+	unregister_trace_block_rq_abort(blk_add_trace_rq_abort, NULL);
 
 	tracepoint_synchronize_unregister();
 }
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 32837e19e3b..6d2cb14f944 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3234,7 +3234,8 @@ free:
 }
 
 static void
-ftrace_graph_probe_sched_switch(struct task_struct *prev, struct task_struct *next)
+ftrace_graph_probe_sched_switch(void *ignore,
+			struct task_struct *prev, struct task_struct *next)
 {
 	unsigned long long timestamp;
 	int index;
@@ -3288,7 +3289,7 @@ static int start_graph_tracing(void)
 	} while (ret == -EAGAIN);
 
 	if (!ret) {
-		ret = register_trace_sched_switch(ftrace_graph_probe_sched_switch);
+		ret = register_trace_sched_switch(ftrace_graph_probe_sched_switch, NULL);
 		if (ret)
 			pr_info("ftrace_graph: Couldn't activate tracepoint"
 				" probe to kernel_sched_switch\n");
@@ -3364,7 +3365,7 @@ void unregister_ftrace_graph(void)
 	ftrace_graph_entry = ftrace_graph_entry_stub;
 	ftrace_shutdown(FTRACE_STOP_FUNC_RET);
 	unregister_pm_notifier(&ftrace_suspend_notifier);
-	unregister_trace_sched_switch(ftrace_graph_probe_sched_switch);
+	unregister_trace_sched_switch(ftrace_graph_probe_sched_switch, NULL);
 
  out:
 	mutex_unlock(&ftrace_lock);
diff --git a/kernel/trace/kmemtrace.c b/kernel/trace/kmemtrace.c
index a91da69f153..7253d0c1c32 100644
--- a/kernel/trace/kmemtrace.c
+++ b/kernel/trace/kmemtrace.c
@@ -95,7 +95,8 @@ static inline void kmemtrace_free(enum kmemtrace_type_id type_id,
 	trace_wake_up();
 }
 
-static void kmemtrace_kmalloc(unsigned long call_site,
+static void kmemtrace_kmalloc(void *ignore,
+			      unsigned long call_site,
 			      const void *ptr,
 			      size_t bytes_req,
 			      size_t bytes_alloc,
@@ -105,7 +106,8 @@ static void kmemtrace_kmalloc(unsigned long call_site,
 			bytes_req, bytes_alloc, gfp_flags, -1);
 }
 
-static void kmemtrace_kmem_cache_alloc(unsigned long call_site,
+static void kmemtrace_kmem_cache_alloc(void *ignore,
+				       unsigned long call_site,
 				       const void *ptr,
 				       size_t bytes_req,
 				       size_t bytes_alloc,
@@ -115,7 +117,8 @@ static void kmemtrace_kmem_cache_alloc(unsigned long call_site,
 			bytes_req, bytes_alloc, gfp_flags, -1);
 }
 
-static void kmemtrace_kmalloc_node(unsigned long call_site,
+static void kmemtrace_kmalloc_node(void *ignore,
+				   unsigned long call_site,
 				   const void *ptr,
 				   size_t bytes_req,
 				   size_t bytes_alloc,
@@ -126,7 +129,8 @@ static void kmemtrace_kmalloc_node(unsigned long call_site,
 			bytes_req, bytes_alloc, gfp_flags, node);
 }
 
-static void kmemtrace_kmem_cache_alloc_node(unsigned long call_site,
+static void kmemtrace_kmem_cache_alloc_node(void *ignore,
+					    unsigned long call_site,
 					    const void *ptr,
 					    size_t bytes_req,
 					    size_t bytes_alloc,
@@ -137,12 +141,14 @@ static void kmemtrace_kmem_cache_alloc_node(unsigned long call_site,
 			bytes_req, bytes_alloc, gfp_flags, node);
 }
 
-static void kmemtrace_kfree(unsigned long call_site, const void *ptr)
+static void
+kmemtrace_kfree(void *ignore, unsigned long call_site, const void *ptr)
 {
 	kmemtrace_free(KMEMTRACE_TYPE_KMALLOC, call_site, ptr);
 }
 
-static void kmemtrace_kmem_cache_free(unsigned long call_site, const void *ptr)
+static void kmemtrace_kmem_cache_free(void *ignore,
+				      unsigned long call_site, const void *ptr)
 {
 	kmemtrace_free(KMEMTRACE_TYPE_CACHE, call_site, ptr);
 }
@@ -151,34 +157,34 @@ static int kmemtrace_start_probes(void)
 {
 	int err;
 
-	err = register_trace_kmalloc(kmemtrace_kmalloc);
+	err = register_trace_kmalloc(kmemtrace_kmalloc, NULL);
 	if (err)
 		return err;
-	err = register_trace_kmem_cache_alloc(kmemtrace_kmem_cache_alloc);
+	err = register_trace_kmem_cache_alloc(kmemtrace_kmem_cache_alloc, NULL);
 	if (err)
 		return err;
-	err = register_trace_kmalloc_node(kmemtrace_kmalloc_node);
+	err = register_trace_kmalloc_node(kmemtrace_kmalloc_node, NULL);
 	if (err)
 		return err;
-	err = register_trace_kmem_cache_alloc_node(kmemtrace_kmem_cache_alloc_node);
+	err = register_trace_kmem_cache_alloc_node(kmemtrace_kmem_cache_alloc_node, NULL);
 	if (err)
 		return err;
-	err = register_trace_kfree(kmemtrace_kfree);
+	err = register_trace_kfree(kmemtrace_kfree, NULL);
 	if (err)
 		return err;
-	err = register_trace_kmem_cache_free(kmemtrace_kmem_cache_free);
+	err = register_trace_kmem_cache_free(kmemtrace_kmem_cache_free, NULL);
 
 	return err;
 }
 
 static void kmemtrace_stop_probes(void)
 {
-	unregister_trace_kmalloc(kmemtrace_kmalloc);
-	unregister_trace_kmem_cache_alloc(kmemtrace_kmem_cache_alloc);
-	unregister_trace_kmalloc_node(kmemtrace_kmalloc_node);
-	unregister_trace_kmem_cache_alloc_node(kmemtrace_kmem_cache_alloc_node);
-	unregister_trace_kfree(kmemtrace_kfree);
-	unregister_trace_kmem_cache_free(kmemtrace_kmem_cache_free);
+	unregister_trace_kmalloc(kmemtrace_kmalloc, NULL);
+	unregister_trace_kmem_cache_alloc(kmemtrace_kmem_cache_alloc, NULL);
+	unregister_trace_kmalloc_node(kmemtrace_kmalloc_node, NULL);
+	unregister_trace_kmem_cache_alloc_node(kmemtrace_kmem_cache_alloc_node, NULL);
+	unregister_trace_kfree(kmemtrace_kfree, NULL);
+	unregister_trace_kmem_cache_free(kmemtrace_kmem_cache_free, NULL);
 }
 
 static int kmem_trace_init(struct trace_array *tr)
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index a55fccfede5..8f758d070c4 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -50,7 +50,7 @@ tracing_sched_switch_trace(struct trace_array *tr,
 }
 
 static void
-probe_sched_switch(struct task_struct *prev, struct task_struct *next)
+probe_sched_switch(void *ignore, struct task_struct *prev, struct task_struct *next)
 {
 	struct trace_array_cpu *data;
 	unsigned long flags;
@@ -108,7 +108,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 }
 
 static void
-probe_sched_wakeup(struct task_struct *wakee, int success)
+probe_sched_wakeup(void *ignore, struct task_struct *wakee, int success)
 {
 	struct trace_array_cpu *data;
 	unsigned long flags;
@@ -138,21 +138,21 @@ static int tracing_sched_register(void)
 {
 	int ret;
 
-	ret = register_trace_sched_wakeup(probe_sched_wakeup);
+	ret = register_trace_sched_wakeup(probe_sched_wakeup, NULL);
 	if (ret) {
 		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_wakeup\n");
 		return ret;
 	}
 
-	ret = register_trace_sched_wakeup_new(probe_sched_wakeup);
+	ret = register_trace_sched_wakeup_new(probe_sched_wakeup, NULL);
 	if (ret) {
 		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_wakeup_new\n");
 		goto fail_deprobe;
 	}
 
-	ret = register_trace_sched_switch(probe_sched_switch);
+	ret = register_trace_sched_switch(probe_sched_switch, NULL);
 	if (ret) {
 		pr_info("sched trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_switch\n");
@@ -161,17 +161,17 @@ static int tracing_sched_register(void)
 
 	return ret;
 fail_deprobe_wake_new:
-	unregister_trace_sched_wakeup_new(probe_sched_wakeup);
+	unregister_trace_sched_wakeup_new(probe_sched_wakeup, NULL);
 fail_deprobe:
-	unregister_trace_sched_wakeup(probe_sched_wakeup);
+	unregister_trace_sched_wakeup(probe_sched_wakeup, NULL);
 	return ret;
 }
 
 static void tracing_sched_unregister(void)
 {
-	unregister_trace_sched_switch(probe_sched_switch);
-	unregister_trace_sched_wakeup_new(probe_sched_wakeup);
-	unregister_trace_sched_wakeup(probe_sched_wakeup);
+	unregister_trace_sched_switch(probe_sched_switch, NULL);
+	unregister_trace_sched_wakeup_new(probe_sched_wakeup, NULL);
+	unregister_trace_sched_wakeup(probe_sched_wakeup, NULL);
 }
 
 static void tracing_start_sched_switch(void)
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index 8052446ceea..0e73bc2ef8c 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -98,7 +98,8 @@ static int report_latency(cycle_t delta)
 	return 1;
 }
 
-static void probe_wakeup_migrate_task(struct task_struct *task, int cpu)
+static void
+probe_wakeup_migrate_task(void *ignore, struct task_struct *task, int cpu)
 {
 	if (task != wakeup_task)
 		return;
@@ -107,7 +108,8 @@ static void probe_wakeup_migrate_task(struct task_struct *task, int cpu)
 }
 
 static void notrace
-probe_wakeup_sched_switch(struct task_struct *prev, struct task_struct *next)
+probe_wakeup_sched_switch(void *ignore,
+			  struct task_struct *prev, struct task_struct *next)
 {
 	struct trace_array_cpu *data;
 	cycle_t T0, T1, delta;
@@ -199,7 +201,7 @@ static void wakeup_reset(struct trace_array *tr)
 }
 
 static void
-probe_wakeup(struct task_struct *p, int success)
+probe_wakeup(void *ignore, struct task_struct *p, int success)
 {
 	struct trace_array_cpu *data;
 	int cpu = smp_processor_id();
@@ -263,28 +265,28 @@ static void start_wakeup_tracer(struct trace_array *tr)
 {
 	int ret;
 
-	ret = register_trace_sched_wakeup(probe_wakeup);
+	ret = register_trace_sched_wakeup(probe_wakeup, NULL);
 	if (ret) {
 		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_wakeup\n");
 		return;
 	}
 
-	ret = register_trace_sched_wakeup_new(probe_wakeup);
+	ret = register_trace_sched_wakeup_new(probe_wakeup, NULL);
 	if (ret) {
 		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_wakeup_new\n");
 		goto fail_deprobe;
 	}
 
-	ret = register_trace_sched_switch(probe_wakeup_sched_switch);
+	ret = register_trace_sched_switch(probe_wakeup_sched_switch, NULL);
 	if (ret) {
 		pr_info("sched trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_switch\n");
 		goto fail_deprobe_wake_new;
 	}
 
-	ret = register_trace_sched_migrate_task(probe_wakeup_migrate_task);
+	ret = register_trace_sched_migrate_task(probe_wakeup_migrate_task, NULL);
 	if (ret) {
 		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_migrate_task\n");
@@ -311,19 +313,19 @@ static void start_wakeup_tracer(struct trace_array *tr)
 
 	return;
 fail_deprobe_wake_new:
-	unregister_trace_sched_wakeup_new(probe_wakeup);
+	unregister_trace_sched_wakeup_new(probe_wakeup, NULL);
 fail_deprobe:
-	unregister_trace_sched_wakeup(probe_wakeup);
+	unregister_trace_sched_wakeup(probe_wakeup, NULL);
 }
 
 static void stop_wakeup_tracer(struct trace_array *tr)
 {
 	tracer_enabled = 0;
 	unregister_ftrace_function(&trace_ops);
-	unregister_trace_sched_switch(probe_wakeup_sched_switch);
-	unregister_trace_sched_wakeup_new(probe_wakeup);
-	unregister_trace_sched_wakeup(probe_wakeup);
-	unregister_trace_sched_migrate_task(probe_wakeup_migrate_task);
+	unregister_trace_sched_switch(probe_wakeup_sched_switch, NULL);
+	unregister_trace_sched_wakeup_new(probe_wakeup, NULL);
+	unregister_trace_sched_wakeup(probe_wakeup, NULL);
+	unregister_trace_sched_migrate_task(probe_wakeup_migrate_task, NULL);
 }
 
 static int __wakeup_tracer_init(struct trace_array *tr)
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index d036a74a64f..b8d30e7ecd0 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -247,7 +247,7 @@ int syscall_exit_define_fields(struct ftrace_event_call *call)
 	return ret;
 }
 
-void ftrace_syscall_enter(struct pt_regs *regs, long id)
+void ftrace_syscall_enter(void *ignore, struct pt_regs *regs, long id)
 {
 	struct syscall_trace_enter *entry;
 	struct syscall_metadata *sys_data;
@@ -282,7 +282,7 @@ void ftrace_syscall_enter(struct pt_regs *regs, long id)
 		trace_current_buffer_unlock_commit(buffer, event, 0, 0);
 }
 
-void ftrace_syscall_exit(struct pt_regs *regs, long ret)
+void ftrace_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
 {
 	struct syscall_trace_exit *entry;
 	struct syscall_metadata *sys_data;
@@ -324,7 +324,7 @@ int reg_event_syscall_enter(struct ftrace_event_call *call)
 		return -ENOSYS;
 	mutex_lock(&syscall_trace_lock);
 	if (!sys_refcount_enter)
-		ret = register_trace_sys_enter(ftrace_syscall_enter);
+		ret = register_trace_sys_enter(ftrace_syscall_enter, NULL);
 	if (!ret) {
 		set_bit(num, enabled_enter_syscalls);
 		sys_refcount_enter++;
@@ -344,7 +344,7 @@ void unreg_event_syscall_enter(struct ftrace_event_call *call)
 	sys_refcount_enter--;
 	clear_bit(num, enabled_enter_syscalls);
 	if (!sys_refcount_enter)
-		unregister_trace_sys_enter(ftrace_syscall_enter);
+		unregister_trace_sys_enter(ftrace_syscall_enter, NULL);
 	mutex_unlock(&syscall_trace_lock);
 }
 
@@ -358,7 +358,7 @@ int reg_event_syscall_exit(struct ftrace_event_call *call)
 		return -ENOSYS;
 	mutex_lock(&syscall_trace_lock);
 	if (!sys_refcount_exit)
-		ret = register_trace_sys_exit(ftrace_syscall_exit);
+		ret = register_trace_sys_exit(ftrace_syscall_exit, NULL);
 	if (!ret) {
 		set_bit(num, enabled_exit_syscalls);
 		sys_refcount_exit++;
@@ -378,7 +378,7 @@ void unreg_event_syscall_exit(struct ftrace_event_call *call)
 	sys_refcount_exit--;
 	clear_bit(num, enabled_exit_syscalls);
 	if (!sys_refcount_exit)
-		unregister_trace_sys_exit(ftrace_syscall_exit);
+		unregister_trace_sys_exit(ftrace_syscall_exit, NULL);
 	mutex_unlock(&syscall_trace_lock);
 }
 
@@ -438,7 +438,7 @@ static DECLARE_BITMAP(enabled_perf_exit_syscalls, NR_syscalls);
 static int sys_perf_refcount_enter;
 static int sys_perf_refcount_exit;
 
-static void perf_syscall_enter(struct pt_regs *regs, long id)
+static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id)
 {
 	struct syscall_metadata *sys_data;
 	struct syscall_trace_enter *rec;
@@ -484,7 +484,7 @@ int perf_sysenter_enable(struct ftrace_event_call *call)
 
 	mutex_lock(&syscall_trace_lock);
 	if (!sys_perf_refcount_enter)
-		ret = register_trace_sys_enter(perf_syscall_enter);
+		ret = register_trace_sys_enter(perf_syscall_enter, NULL);
 	if (ret) {
 		pr_info("event trace: Could not activate"
 				"syscall entry trace point");
@@ -506,11 +506,11 @@ void perf_sysenter_disable(struct ftrace_event_call *call)
 	sys_perf_refcount_enter--;
 	clear_bit(num, enabled_perf_enter_syscalls);
 	if (!sys_perf_refcount_enter)
-		unregister_trace_sys_enter(perf_syscall_enter);
+		unregister_trace_sys_enter(perf_syscall_enter, NULL);
 	mutex_unlock(&syscall_trace_lock);
 }
 
-static void perf_syscall_exit(struct pt_regs *regs, long ret)
+static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
 {
 	struct syscall_metadata *sys_data;
 	struct syscall_trace_exit *rec;
@@ -559,7 +559,7 @@ int perf_sysexit_enable(struct ftrace_event_call *call)
 
 	mutex_lock(&syscall_trace_lock);
 	if (!sys_perf_refcount_exit)
-		ret = register_trace_sys_exit(perf_syscall_exit);
+		ret = register_trace_sys_exit(perf_syscall_exit, NULL);
 	if (ret) {
 		pr_info("event trace: Could not activate"
 				"syscall exit trace point");
@@ -581,7 +581,7 @@ void perf_sysexit_disable(struct ftrace_event_call *call)
 	sys_perf_refcount_exit--;
 	clear_bit(num, enabled_perf_exit_syscalls);
 	if (!sys_perf_refcount_exit)
-		unregister_trace_sys_exit(perf_syscall_exit);
+		unregister_trace_sys_exit(perf_syscall_exit, NULL);
 	mutex_unlock(&syscall_trace_lock);
 }
 
diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c
index cc2d2faa7d9..a7cc3793baf 100644
--- a/kernel/trace/trace_workqueue.c
+++ b/kernel/trace/trace_workqueue.c
@@ -49,7 +49,8 @@ static void cpu_workqueue_stat_free(struct kref *kref)
 
 /* Insertion of a work */
 static void
-probe_workqueue_insertion(struct task_struct *wq_thread,
+probe_workqueue_insertion(void *ignore,
+			  struct task_struct *wq_thread,
 			  struct work_struct *work)
 {
 	int cpu = cpumask_first(&wq_thread->cpus_allowed);
@@ -70,7 +71,8 @@ found:
 
 /* Execution of a work */
 static void
-probe_workqueue_execution(struct task_struct *wq_thread,
+probe_workqueue_execution(void *ignore,
+			  struct task_struct *wq_thread,
 			  struct work_struct *work)
 {
 	int cpu = cpumask_first(&wq_thread->cpus_allowed);
@@ -90,7 +92,8 @@ found:
 }
 
 /* Creation of a cpu workqueue thread */
-static void probe_workqueue_creation(struct task_struct *wq_thread, int cpu)
+static void probe_workqueue_creation(void *ignore,
+				     struct task_struct *wq_thread, int cpu)
 {
 	struct cpu_workqueue_stats *cws;
 	unsigned long flags;
@@ -114,7 +117,8 @@ static void probe_workqueue_creation(struct task_struct *wq_thread, int cpu)
 }
 
 /* Destruction of a cpu workqueue thread */
-static void probe_workqueue_destruction(struct task_struct *wq_thread)
+static void
+probe_workqueue_destruction(void *ignore, struct task_struct *wq_thread)
 {
 	/* Workqueue only execute on one cpu */
 	int cpu = cpumask_first(&wq_thread->cpus_allowed);
@@ -259,19 +263,19 @@ int __init trace_workqueue_early_init(void)
 {
 	int ret, cpu;
 
-	ret = register_trace_workqueue_insertion(probe_workqueue_insertion);
+	ret = register_trace_workqueue_insertion(probe_workqueue_insertion, NULL);
 	if (ret)
 		goto out;
 
-	ret = register_trace_workqueue_execution(probe_workqueue_execution);
+	ret = register_trace_workqueue_execution(probe_workqueue_execution, NULL);
 	if (ret)
 		goto no_insertion;
 
-	ret = register_trace_workqueue_creation(probe_workqueue_creation);
+	ret = register_trace_workqueue_creation(probe_workqueue_creation, NULL);
 	if (ret)
 		goto no_execution;
 
-	ret = register_trace_workqueue_destruction(probe_workqueue_destruction);
+	ret = register_trace_workqueue_destruction(probe_workqueue_destruction, NULL);
 	if (ret)
 		goto no_creation;
 
@@ -283,11 +287,11 @@ int __init trace_workqueue_early_init(void)
 	return 0;
 
 no_creation:
-	unregister_trace_workqueue_creation(probe_workqueue_creation);
+	unregister_trace_workqueue_creation(probe_workqueue_creation, NULL);
 no_execution:
-	unregister_trace_workqueue_execution(probe_workqueue_execution);
+	unregister_trace_workqueue_execution(probe_workqueue_execution, NULL);
 no_insertion:
-	unregister_trace_workqueue_insertion(probe_workqueue_insertion);
+	unregister_trace_workqueue_insertion(probe_workqueue_insertion, NULL);
 out:
 	pr_warning("trace_workqueue: unable to trace workqueues\n");
 
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index cc89be5bc0f..c77f3eceea2 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -54,7 +54,7 @@ static struct hlist_head tracepoint_table[TRACEPOINT_TABLE_SIZE];
  */
 struct tracepoint_entry {
 	struct hlist_node hlist;
-	void **funcs;
+	struct tracepoint_func *funcs;
 	int refcount;	/* Number of times armed. 0 if disarmed. */
 	char name[0];
 };
@@ -64,12 +64,12 @@ struct tp_probes {
 		struct rcu_head rcu;
 		struct list_head list;
 	} u;
-	void *probes[0];
+	struct tracepoint_func probes[0];
 };
 
 static inline void *allocate_probes(int count)
 {
-	struct tp_probes *p  = kmalloc(count * sizeof(void *)
+	struct tp_probes *p  = kmalloc(count * sizeof(struct tracepoint_func)
 			+ sizeof(struct tp_probes), GFP_KERNEL);
 	return p == NULL ? NULL : p->probes;
 }
@@ -79,7 +79,7 @@ static void rcu_free_old_probes(struct rcu_head *head)
 	kfree(container_of(head, struct tp_probes, u.rcu));
 }
 
-static inline void release_probes(void *old)
+static inline void release_probes(struct tracepoint_func *old)
 {
 	if (old) {
 		struct tp_probes *tp_probes = container_of(old,
@@ -95,15 +95,16 @@ static void debug_print_probes(struct tracepoint_entry *entry)
 	if (!tracepoint_debug || !entry->funcs)
 		return;
 
-	for (i = 0; entry->funcs[i]; i++)
-		printk(KERN_DEBUG "Probe %d : %p\n", i, entry->funcs[i]);
+	for (i = 0; entry->funcs[i].func; i++)
+		printk(KERN_DEBUG "Probe %d : %p\n", i, entry->funcs[i].func);
 }
 
-static void *
-tracepoint_entry_add_probe(struct tracepoint_entry *entry, void *probe)
+static struct tracepoint_func *
+tracepoint_entry_add_probe(struct tracepoint_entry *entry,
+			   void *probe, void *data)
 {
 	int nr_probes = 0;
-	void **old, **new;
+	struct tracepoint_func *old, *new;
 
 	WARN_ON(!probe);
 
@@ -111,8 +112,9 @@ tracepoint_entry_add_probe(struct tracepoint_entry *entry, void *probe)
 	old = entry->funcs;
 	if (old) {
 		/* (N -> N+1), (N != 0, 1) probes */
-		for (nr_probes = 0; old[nr_probes]; nr_probes++)
-			if (old[nr_probes] == probe)
+		for (nr_probes = 0; old[nr_probes].func; nr_probes++)
+			if (old[nr_probes].func == probe &&
+			    old[nr_probes].data == data)
 				return ERR_PTR(-EEXIST);
 	}
 	/* + 2 : one for new probe, one for NULL func */
@@ -120,9 +122,10 @@ tracepoint_entry_add_probe(struct tracepoint_entry *entry, void *probe)
 	if (new == NULL)
 		return ERR_PTR(-ENOMEM);
 	if (old)
-		memcpy(new, old, nr_probes * sizeof(void *));
-	new[nr_probes] = probe;
-	new[nr_probes + 1] = NULL;
+		memcpy(new, old, nr_probes * sizeof(struct tracepoint_func));
+	new[nr_probes].func = probe;
+	new[nr_probes].data = data;
+	new[nr_probes + 1].func = NULL;
 	entry->refcount = nr_probes + 1;
 	entry->funcs = new;
 	debug_print_probes(entry);
@@ -130,10 +133,11 @@ tracepoint_entry_add_probe(struct tracepoint_entry *entry, void *probe)
 }
 
 static void *
-tracepoint_entry_remove_probe(struct tracepoint_entry *entry, void *probe)
+tracepoint_entry_remove_probe(struct tracepoint_entry *entry,
+			      void *probe, void *data)
 {
 	int nr_probes = 0, nr_del = 0, i;
-	void **old, **new;
+	struct tracepoint_func *old, *new;
 
 	old = entry->funcs;
 
@@ -142,8 +146,10 @@ tracepoint_entry_remove_probe(struct tracepoint_entry *entry, void *probe)
 
 	debug_print_probes(entry);
 	/* (N -> M), (N > 1, M >= 0) probes */
-	for (nr_probes = 0; old[nr_probes]; nr_probes++) {
-		if ((!probe || old[nr_probes] == probe))
+	for (nr_probes = 0; old[nr_probes].func; nr_probes++) {
+		if (!probe ||
+		    (old[nr_probes].func == probe &&
+		     old[nr_probes].data == data))
 			nr_del++;
 	}
 
@@ -160,10 +166,11 @@ tracepoint_entry_remove_probe(struct tracepoint_entry *entry, void *probe)
 		new = allocate_probes(nr_probes - nr_del + 1);
 		if (new == NULL)
 			return ERR_PTR(-ENOMEM);
-		for (i = 0; old[i]; i++)
-			if ((probe && old[i] != probe))
+		for (i = 0; old[i].func; i++)
+			if (probe &&
+			    (old[i].func != probe || old[i].data != data))
 				new[j++] = old[i];
-		new[nr_probes - nr_del] = NULL;
+		new[nr_probes - nr_del].func = NULL;
 		entry->refcount = nr_probes - nr_del;
 		entry->funcs = new;
 	}
@@ -315,18 +322,19 @@ static void tracepoint_update_probes(void)
 	module_update_tracepoints();
 }
 
-static void *tracepoint_add_probe(const char *name, void *probe)
+static struct tracepoint_func *
+tracepoint_add_probe(const char *name, void *probe, void *data)
 {
 	struct tracepoint_entry *entry;
-	void *old;
+	struct tracepoint_func *old;
 
 	entry = get_tracepoint(name);
 	if (!entry) {
 		entry = add_tracepoint(name);
 		if (IS_ERR(entry))
-			return entry;
+			return (struct tracepoint_func *)entry;
 	}
-	old = tracepoint_entry_add_probe(entry, probe);
+	old = tracepoint_entry_add_probe(entry, probe, data);
 	if (IS_ERR(old) && !entry->refcount)
 		remove_tracepoint(entry);
 	return old;
@@ -340,12 +348,12 @@ static void *tracepoint_add_probe(const char *name, void *probe)
  * Returns 0 if ok, error value on error.
  * The probe address must at least be aligned on the architecture pointer size.
  */
-int tracepoint_probe_register(const char *name, void *probe)
+int tracepoint_probe_register(const char *name, void *probe, void *data)
 {
-	void *old;
+	struct tracepoint_func *old;
 
 	mutex_lock(&tracepoints_mutex);
-	old = tracepoint_add_probe(name, probe);
+	old = tracepoint_add_probe(name, probe, data);
 	mutex_unlock(&tracepoints_mutex);
 	if (IS_ERR(old))
 		return PTR_ERR(old);
@@ -356,15 +364,16 @@ int tracepoint_probe_register(const char *name, void *probe)
 }
 EXPORT_SYMBOL_GPL(tracepoint_probe_register);
 
-static void *tracepoint_remove_probe(const char *name, void *probe)
+static struct tracepoint_func *
+tracepoint_remove_probe(const char *name, void *probe, void *data)
 {
 	struct tracepoint_entry *entry;
-	void *old;
+	struct tracepoint_func *old;
 
 	entry = get_tracepoint(name);
 	if (!entry)
 		return ERR_PTR(-ENOENT);
-	old = tracepoint_entry_remove_probe(entry, probe);
+	old = tracepoint_entry_remove_probe(entry, probe, data);
 	if (IS_ERR(old))
 		return old;
 	if (!entry->refcount)
@@ -382,12 +391,12 @@ static void *tracepoint_remove_probe(const char *name, void *probe)
  * itself uses stop_machine(), which insures that every preempt disabled section
  * have finished.
  */
-int tracepoint_probe_unregister(const char *name, void *probe)
+int tracepoint_probe_unregister(const char *name, void *probe, void *data)
 {
-	void *old;
+	struct tracepoint_func *old;
 
 	mutex_lock(&tracepoints_mutex);
-	old = tracepoint_remove_probe(name, probe);
+	old = tracepoint_remove_probe(name, probe, data);
 	mutex_unlock(&tracepoints_mutex);
 	if (IS_ERR(old))
 		return PTR_ERR(old);
@@ -418,12 +427,13 @@ static void tracepoint_add_old_probes(void *old)
  *
  * caller must call tracepoint_probe_update_all()
  */
-int tracepoint_probe_register_noupdate(const char *name, void *probe)
+int tracepoint_probe_register_noupdate(const char *name, void *probe,
+				       void *data)
 {
-	void *old;
+	struct tracepoint_func *old;
 
 	mutex_lock(&tracepoints_mutex);
-	old = tracepoint_add_probe(name, probe);
+	old = tracepoint_add_probe(name, probe, data);
 	if (IS_ERR(old)) {
 		mutex_unlock(&tracepoints_mutex);
 		return PTR_ERR(old);
@@ -441,12 +451,13 @@ EXPORT_SYMBOL_GPL(tracepoint_probe_register_noupdate);
  *
  * caller must call tracepoint_probe_update_all()
  */
-int tracepoint_probe_unregister_noupdate(const char *name, void *probe)
+int tracepoint_probe_unregister_noupdate(const char *name, void *probe,
+					 void *data)
 {
-	void *old;
+	struct tracepoint_func *old;
 
 	mutex_lock(&tracepoints_mutex);
-	old = tracepoint_remove_probe(name, probe);
+	old = tracepoint_remove_probe(name, probe, data);
 	if (IS_ERR(old)) {
 		mutex_unlock(&tracepoints_mutex);
 		return PTR_ERR(old);
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index cf208d8042b..ad41529fb60 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -172,12 +172,12 @@ out:
 	return;
 }
 
-static void trace_kfree_skb_hit(struct sk_buff *skb, void *location)
+static void trace_kfree_skb_hit(void *ignore, struct sk_buff *skb, void *location)
 {
 	trace_drop_common(skb, location);
 }
 
-static void trace_napi_poll_hit(struct napi_struct *napi)
+static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi)
 {
 	struct dm_hw_stat_delta *new_stat;
 
@@ -225,12 +225,12 @@ static int set_all_monitor_traces(int state)
 
 	switch (state) {
 	case TRACE_ON:
-		rc |= register_trace_kfree_skb(trace_kfree_skb_hit);
-		rc |= register_trace_napi_poll(trace_napi_poll_hit);
+		rc |= register_trace_kfree_skb(trace_kfree_skb_hit, NULL);
+		rc |= register_trace_napi_poll(trace_napi_poll_hit, NULL);
 		break;
 	case TRACE_OFF:
-		rc |= unregister_trace_kfree_skb(trace_kfree_skb_hit);
-		rc |= unregister_trace_napi_poll(trace_napi_poll_hit);
+		rc |= unregister_trace_kfree_skb(trace_kfree_skb_hit, NULL);
+		rc |= unregister_trace_napi_poll(trace_napi_poll_hit, NULL);
 
 		tracepoint_synchronize_unregister();
 
diff --git a/samples/tracepoints/tp-samples-trace.h b/samples/tracepoints/tp-samples-trace.h
index dffdc49878a..4d46be96596 100644
--- a/samples/tracepoints/tp-samples-trace.h
+++ b/samples/tracepoints/tp-samples-trace.h
@@ -7,7 +7,5 @@
 DECLARE_TRACE(subsys_event,
 	TP_PROTO(struct inode *inode, struct file *file),
 	TP_ARGS(inode, file));
-DECLARE_TRACE(subsys_eventb,
-	TP_PROTO(void),
-	TP_ARGS());
+DECLARE_TRACE_NOARGS(subsys_eventb);
 #endif
diff --git a/samples/tracepoints/tracepoint-probe-sample.c b/samples/tracepoints/tracepoint-probe-sample.c
index 9e60eb6ca2d..744c0b9652a 100644
--- a/samples/tracepoints/tracepoint-probe-sample.c
+++ b/samples/tracepoints/tracepoint-probe-sample.c
@@ -13,7 +13,8 @@
  * Here the caller only guarantees locking for struct file and struct inode.
  * Locking must therefore be done in the probe to use the dentry.
  */
-static void probe_subsys_event(struct inode *inode, struct file *file)
+static void probe_subsys_event(void *ignore,
+			       struct inode *inode, struct file *file)
 {
 	path_get(&file->f_path);
 	dget(file->f_path.dentry);
@@ -23,7 +24,7 @@ static void probe_subsys_event(struct inode *inode, struct file *file)
 	path_put(&file->f_path);
 }
 
-static void probe_subsys_eventb(void)
+static void probe_subsys_eventb(void *ignore)
 {
 	printk(KERN_INFO "Event B is encountered\n");
 }
@@ -32,9 +33,9 @@ static int __init tp_sample_trace_init(void)
 {
 	int ret;
 
-	ret = register_trace_subsys_event(probe_subsys_event);
+	ret = register_trace_subsys_event(probe_subsys_event, NULL);
 	WARN_ON(ret);
-	ret = register_trace_subsys_eventb(probe_subsys_eventb);
+	ret = register_trace_subsys_eventb(probe_subsys_eventb, NULL);
 	WARN_ON(ret);
 
 	return 0;
@@ -44,8 +45,8 @@ module_init(tp_sample_trace_init);
 
 static void __exit tp_sample_trace_exit(void)
 {
-	unregister_trace_subsys_eventb(probe_subsys_eventb);
-	unregister_trace_subsys_event(probe_subsys_event);
+	unregister_trace_subsys_eventb(probe_subsys_eventb, NULL);
+	unregister_trace_subsys_event(probe_subsys_event, NULL);
 	tracepoint_synchronize_unregister();
 }
 
diff --git a/samples/tracepoints/tracepoint-probe-sample2.c b/samples/tracepoints/tracepoint-probe-sample2.c
index be2a960573f..9fcf990e5d4 100644
--- a/samples/tracepoints/tracepoint-probe-sample2.c
+++ b/samples/tracepoints/tracepoint-probe-sample2.c
@@ -12,7 +12,8 @@
  * Here the caller only guarantees locking for struct file and struct inode.
  * Locking must therefore be done in the probe to use the dentry.
  */
-static void probe_subsys_event(struct inode *inode, struct file *file)
+static void probe_subsys_event(void *ignore,
+			       struct inode *inode, struct file *file)
 {
 	printk(KERN_INFO "Event is encountered with inode number %lu\n",
 		inode->i_ino);
@@ -22,7 +23,7 @@ static int __init tp_sample_trace_init(void)
 {
 	int ret;
 
-	ret = register_trace_subsys_event(probe_subsys_event);
+	ret = register_trace_subsys_event(probe_subsys_event, NULL);
 	WARN_ON(ret);
 
 	return 0;
@@ -32,7 +33,7 @@ module_init(tp_sample_trace_init);
 
 static void __exit tp_sample_trace_exit(void)
 {
-	unregister_trace_subsys_event(probe_subsys_event);
+	unregister_trace_subsys_event(probe_subsys_event, NULL);
 	tracepoint_synchronize_unregister();
 }
 

From 2239291aeb0379fe47980b0e560e0eb9fd7e82ec Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Wed, 21 Apr 2010 12:27:06 -0400
Subject: [PATCH 1429/3638] tracing: Remove per event trace registering

This patch removes the register functions of TRACE_EVENT() to enable
and disable tracepoints. The registering of a event is now down
directly in the trace_events.c file. The tracepoint_probe_register()
is now called directly.

The prototypes are no longer type checked, but this should not be
an issue since the tracepoints are created automatically by the
macros. If a prototype is incorrect in the TRACE_EVENT() macro, then
other macros will catch it.

The trace_event_class structure now holds the probes to be called
by the callbacks. This removes needing to have each event have
a separate pointer for the probe.

To handle kprobes and syscalls, since they register probes in a
different manner, a "reg" field is added to the ftrace_event_class
structure. If the "reg" field is assigned, then it will be called for
enabling and disabling of the probe for either ftrace or perf. To let
the reg function know what is happening, a new enum (trace_reg) is
created that has the type of control that is needed.

With this new rework, the 82 kernel events and 618 syscall events
has their footprint dramatically lowered:

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4914025	1088868	 861512	6864405	 68be15	vmlinux.class
4918492	1084612	 861512	6864616	 68bee8	vmlinux.tracepoint
4900252	1057412	 861512	6819176	 680d68	vmlinux.regs

The size went from 6863829 to 6819176, that's a total of 44K
in savings. With tracepoints being continuously added, this is
critical that the footprint becomes minimal.

v5: Added #ifdef CONFIG_PERF_EVENTS around a reference to perf
    specific structure in trace_events.c.

v4: Fixed trace self tests to check probe because regfunc no longer
    exists.

v3: Updated to handle void *data in beginning of probe parameters.
    Also added the tracepoint: check_trace_callback_type_##call().

v2: Changed the callback probes to pass void * and typecast the
    value within the function.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h    |  19 ++++-
 include/linux/syscalls.h        |  29 +------
 include/trace/ftrace.h          | 133 +++++++++-----------------------
 kernel/trace/trace_event_perf.c |  15 +++-
 kernel/trace/trace_events.c     |  32 +++++---
 kernel/trace/trace_kprobe.c     |  34 +++++---
 kernel/trace/trace_syscalls.c   |  56 +++++++++++++-
 7 files changed, 171 insertions(+), 147 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 496eea898ee..e665ed38b4b 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -113,8 +113,23 @@ void tracing_record_cmdline(struct task_struct *tsk);
 
 struct event_filter;
 
+enum trace_reg {
+	TRACE_REG_REGISTER,
+	TRACE_REG_UNREGISTER,
+	TRACE_REG_PERF_REGISTER,
+	TRACE_REG_PERF_UNREGISTER,
+};
+
+struct ftrace_event_call;
+
 struct ftrace_event_class {
 	char			*system;
+	void			*probe;
+#ifdef CONFIG_PERF_EVENTS
+	void			*perf_probe;
+#endif
+	int			(*reg)(struct ftrace_event_call *event,
+				       enum trace_reg type);
 };
 
 struct ftrace_event_call {
@@ -124,8 +139,6 @@ struct ftrace_event_call {
 	struct dentry		*dir;
 	struct trace_event	*event;
 	int			enabled;
-	int			(*regfunc)(struct ftrace_event_call *);
-	void			(*unregfunc)(struct ftrace_event_call *);
 	int			id;
 	const char		*print_fmt;
 	int			(*raw_init)(struct ftrace_event_call *);
@@ -137,8 +150,6 @@ struct ftrace_event_call {
 	void			*data;
 
 	int			perf_refcount;
-	int			(*perf_event_enable)(struct ftrace_event_call *);
-	void			(*perf_event_disable)(struct ftrace_event_call *);
 };
 
 #define PERF_MAX_TRACE_SIZE	2048
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index ac5791df250..e3348c4c22e 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -103,22 +103,6 @@ struct perf_event_attr;
 #define __SC_TEST5(t5, a5, ...)	__SC_TEST(t5); __SC_TEST4(__VA_ARGS__)
 #define __SC_TEST6(t6, a6, ...)	__SC_TEST(t6); __SC_TEST5(__VA_ARGS__)
 
-#ifdef CONFIG_PERF_EVENTS
-
-#define TRACE_SYS_ENTER_PERF_INIT(sname)				       \
-	.perf_event_enable = perf_sysenter_enable,			       \
-	.perf_event_disable = perf_sysenter_disable,
-
-#define TRACE_SYS_EXIT_PERF_INIT(sname)					       \
-	.perf_event_enable = perf_sysexit_enable,			       \
-	.perf_event_disable = perf_sysexit_disable,
-#else
-#define TRACE_SYS_ENTER_PERF(sname)
-#define TRACE_SYS_ENTER_PERF_INIT(sname)
-#define TRACE_SYS_EXIT_PERF(sname)
-#define TRACE_SYS_EXIT_PERF_INIT(sname)
-#endif /* CONFIG_PERF_EVENTS */
-
 #ifdef CONFIG_FTRACE_SYSCALLS
 #define __SC_STR_ADECL1(t, a)		#a
 #define __SC_STR_ADECL2(t, a, ...)	#a, __SC_STR_ADECL1(__VA_ARGS__)
@@ -134,7 +118,8 @@ struct perf_event_attr;
 #define __SC_STR_TDECL5(t, a, ...)	#t, __SC_STR_TDECL4(__VA_ARGS__)
 #define __SC_STR_TDECL6(t, a, ...)	#t, __SC_STR_TDECL5(__VA_ARGS__)
 
-extern struct ftrace_event_class event_class_syscalls;
+extern struct ftrace_event_class event_class_syscall_enter;
+extern struct ftrace_event_class event_class_syscall_exit;
 
 #define SYSCALL_TRACE_ENTER_EVENT(sname)				\
 	static const struct syscall_metadata __syscall_meta_##sname;	\
@@ -148,14 +133,11 @@ extern struct ftrace_event_class event_class_syscalls;
 	  __attribute__((section("_ftrace_events")))			\
 	  event_enter_##sname = {					\
 		.name                   = "sys_enter"#sname,		\
-		.class			= &event_class_syscalls,	\
+		.class			= &event_class_syscall_enter,	\
 		.event                  = &enter_syscall_print_##sname,	\
 		.raw_init		= init_syscall_trace,		\
 		.define_fields		= syscall_enter_define_fields,	\
-		.regfunc		= reg_event_syscall_enter,	\
-		.unregfunc		= unreg_event_syscall_enter,	\
 		.data			= (void *)&__syscall_meta_##sname,\
-		TRACE_SYS_ENTER_PERF_INIT(sname)			\
 	}
 
 #define SYSCALL_TRACE_EXIT_EVENT(sname)					\
@@ -170,14 +152,11 @@ extern struct ftrace_event_class event_class_syscalls;
 	  __attribute__((section("_ftrace_events")))			\
 	  event_exit_##sname = {					\
 		.name                   = "sys_exit"#sname,		\
-		.class			= &event_class_syscalls,	\
+		.class			= &event_class_syscall_exit,	\
 		.event                  = &exit_syscall_print_##sname,	\
 		.raw_init		= init_syscall_trace,		\
 		.define_fields		= syscall_exit_define_fields,	\
-		.regfunc		= reg_event_syscall_exit,	\
-		.unregfunc		= unreg_event_syscall_exit,	\
 		.data			= (void *)&__syscall_meta_##sname,\
-		TRACE_SYS_EXIT_PERF_INIT(sname)			\
 	}
 
 #define SYSCALL_METADATA(sname, nb)				\
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index ba28b644f41..26d132418f9 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -381,53 +381,6 @@ static inline notrace int ftrace_get_offsets_##call(			\
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
-#ifdef CONFIG_PERF_EVENTS
-
-/*
- * Generate the functions needed for tracepoint perf_event support.
- *
- * NOTE: The insertion profile callback (ftrace_profile_<call>) is defined later
- *
- * static int ftrace_profile_enable_<call>(void)
- * {
- * 	return register_trace_<call>(ftrace_profile_<call>);
- * }
- *
- * static void ftrace_profile_disable_<call>(void)
- * {
- * 	unregister_trace_<call>(ftrace_profile_<call>);
- * }
- *
- */
-
-#undef DECLARE_EVENT_CLASS
-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)
-
-#undef DEFINE_EVENT
-#define DEFINE_EVENT(template, name, proto, args)			\
-									\
-static void perf_trace_##name(void *, proto);				\
-									\
-static notrace int							\
-perf_trace_enable_##name(struct ftrace_event_call *unused)		\
-{									\
-	return register_trace_##name(perf_trace_##name, NULL);		\
-}									\
-									\
-static notrace void							\
-perf_trace_disable_##name(struct ftrace_event_call *unused)		\
-{									\
-	unregister_trace_##name(perf_trace_##name, NULL);		\
-}
-
-#undef DEFINE_EVENT_PRINT
-#define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
-	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
-
-#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-
-#endif /* CONFIG_PERF_EVENTS */
-
 /*
  * Stage 4 of the trace events.
  *
@@ -437,8 +390,9 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *
  * static struct ftrace_event_call event_<call>;
  *
- * static void ftrace_raw_event_<call>(proto)
+ * static void ftrace_raw_event_<call>(void *__data, proto)
  * {
+ *	struct ftrace_event_call *event_call = __data;
  *	struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
  *	struct ring_buffer_event *event;
  *	struct ftrace_raw_<call> *entry; <-- defined in stage 1
@@ -468,16 +422,6 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *						   event, irq_flags, pc);
  * }
  *
- * static int ftrace_raw_reg_event_<call>(struct ftrace_event_call *unused)
- * {
- *	return register_trace_<call>(ftrace_raw_event_<call>);
- * }
- *
- * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused)
- * {
- *	unregister_trace_<call>(ftrace_raw_event_<call>);
- * }
- *
  * static struct trace_event ftrace_event_type_<call> = {
  *	.trace			= ftrace_raw_output_<call>, <-- stage 2
  * };
@@ -504,11 +448,15 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
 
 #ifdef CONFIG_PERF_EVENTS
 
+#define _TRACE_PERF_PROTO(call, proto)					\
+	static notrace void						\
+	perf_trace_##call(void *__data, proto);
+
 #define _TRACE_PERF_INIT(call)						\
-	.perf_event_enable = perf_trace_enable_##call,			\
-	.perf_event_disable = perf_trace_disable_##call,
+	.perf_probe		= perf_trace_##call,
 
 #else
+#define _TRACE_PERF_PROTO(call, proto)
 #define _TRACE_PERF_INIT(call)
 #endif /* CONFIG_PERF_EVENTS */
 
@@ -542,9 +490,9 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 									\
 static notrace void							\
-ftrace_raw_event_id_##call(struct ftrace_event_call *event_call,	\
-				       proto)				\
+ftrace_raw_event_##call(void *__data, proto)				\
 {									\
+	struct ftrace_event_call *event_call = __data;			\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
 	struct ring_buffer_event *event;				\
 	struct ftrace_raw_##call *entry;				\
@@ -574,30 +522,23 @@ ftrace_raw_event_id_##call(struct ftrace_event_call *event_call,	\
 		trace_nowake_buffer_unlock_commit(buffer,		\
 						  event, irq_flags, pc); \
 }
+/*
+ * The ftrace_test_probe is compiled out, it is only here as a build time check
+ * to make sure that if the tracepoint handling changes, the ftrace probe will
+ * fail to compile unless it too is updated.
+ */
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)			\
 									\
-static notrace void ftrace_raw_event_##call(void *__ignore, proto)	\
-{									\
-	ftrace_raw_event_id_##template(&event_##call, args);		\
-}									\
-									\
-static notrace int							\
-ftrace_raw_reg_event_##call(struct ftrace_event_call *unused)		\
-{									\
-	return register_trace_##call(ftrace_raw_event_##call, NULL);	\
-}									\
-									\
-static notrace void							\
-ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused)		\
-{									\
-	unregister_trace_##call(ftrace_raw_event_##call, NULL);		\
-}									\
-									\
 static struct trace_event ftrace_event_type_##call = {			\
 	.trace			= ftrace_raw_output_##call,		\
-};
+};									\
+									\
+static inline void ftrace_test_probe_##call(void)			\
+{									\
+	check_trace_callback_type_##call(ftrace_raw_event_##template);	\
+}
 
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
@@ -618,9 +559,12 @@ static struct trace_event ftrace_event_type_##call = {			\
 
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
+_TRACE_PERF_PROTO(call, PARAMS(proto));					\
 static const char print_fmt_##call[] = print;				\
 static struct ftrace_event_class __used event_class_##call = {		\
-	.system			= __stringify(TRACE_SYSTEM)		\
+	.system			= __stringify(TRACE_SYSTEM),		\
+	.probe			= ftrace_raw_event_##call,		\
+	_TRACE_PERF_INIT(call)						\
 };
 
 #undef DEFINE_EVENT
@@ -633,11 +577,8 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.class			= &event_class_##template,		\
 	.event			= &ftrace_event_type_##call,		\
 	.raw_init		= trace_event_raw_init,			\
-	.regfunc		= ftrace_raw_reg_event_##call,		\
-	.unregfunc		= ftrace_raw_unreg_event_##call,	\
 	.print_fmt		= print_fmt_##template,			\
 	.define_fields		= ftrace_define_fields_##template,	\
-	_TRACE_PERF_INIT(call)					\
 };
 
 #undef DEFINE_EVENT_PRINT
@@ -652,11 +593,8 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.class			= &event_class_##template,		\
 	.event			= &ftrace_event_type_##call,		\
 	.raw_init		= trace_event_raw_init,			\
-	.regfunc		= ftrace_raw_reg_event_##call,		\
-	.unregfunc		= ftrace_raw_unreg_event_##call,	\
 	.print_fmt		= print_fmt_##call,			\
 	.define_fields		= ftrace_define_fields_##template,	\
-	_TRACE_PERF_INIT(call)					\
 }
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
@@ -756,9 +694,9 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 static notrace void							\
-perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
-			    proto)					\
+perf_trace_##call(void *__data, proto)					\
 {									\
+	struct ftrace_event_call *event_call = __data;			\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
 	struct ftrace_raw_##call *entry;				\
 	u64 __addr = 0, __count = 1;					\
@@ -791,15 +729,20 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 			       __count, irq_flags, __regs);		\
 }
 
+/*
+ * This part is compiled out, it is only here as a build time check
+ * to make sure that if the tracepoint handling changes, the
+ * perf probe will fail to compile unless it too is updated.
+ */
 #undef DEFINE_EVENT
-#define DEFINE_EVENT(template, call, proto, args)		\
-static notrace void perf_trace_##call(void *__ignore, proto)	\
-{								\
-	struct ftrace_event_call *event_call = &event_##call;	\
-								\
-	perf_trace_templ_##template(event_call, args);		\
+#define DEFINE_EVENT(template, call, proto, args)			\
+static inline void perf_test_probe_##call(void)				\
+{									\
+	check_trace_callback_type_##call(perf_trace_##template);	\
+									\
 }
 
+
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
 	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 0565bb42566..196fe9d2677 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -49,7 +49,12 @@ static int perf_trace_event_enable(struct ftrace_event_call *event)
 		rcu_assign_pointer(perf_trace_buf_nmi, buf);
 	}
 
-	ret = event->perf_event_enable(event);
+	if (event->class->reg)
+		ret = event->class->reg(event, TRACE_REG_PERF_REGISTER);
+	else
+		ret = tracepoint_probe_register(event->name,
+						event->class->perf_probe,
+						event);
 	if (!ret) {
 		total_ref_count++;
 		return 0;
@@ -75,7 +80,8 @@ int perf_trace_enable(int event_id)
 
 	mutex_lock(&event_mutex);
 	list_for_each_entry(event, &ftrace_events, list) {
-		if (event->id == event_id && event->perf_event_enable &&
+		if (event->id == event_id &&
+		    event->class && event->class->perf_probe &&
 		    try_module_get(event->mod)) {
 			ret = perf_trace_event_enable(event);
 			break;
@@ -93,7 +99,10 @@ static void perf_trace_event_disable(struct ftrace_event_call *event)
 	if (--event->perf_refcount > 0)
 		return;
 
-	event->perf_event_disable(event);
+	if (event->class->reg)
+		event->class->reg(event, TRACE_REG_PERF_UNREGISTER);
+	else
+		tracepoint_probe_unregister(event->name, event->class->perf_probe, event);
 
 	if (!--total_ref_count) {
 		buf = perf_trace_buf;
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 2f54b48d363..19d1eb0a718 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -127,13 +127,23 @@ static int ftrace_event_enable_disable(struct ftrace_event_call *call,
 		if (call->enabled) {
 			call->enabled = 0;
 			tracing_stop_cmdline_record();
-			call->unregfunc(call);
+			if (call->class->reg)
+				call->class->reg(call, TRACE_REG_UNREGISTER);
+			else
+				tracepoint_probe_unregister(call->name,
+							    call->class->probe,
+							    call);
 		}
 		break;
 	case 1:
 		if (!call->enabled) {
 			tracing_start_cmdline_record();
-			ret = call->regfunc(call);
+			if (call->class->reg)
+				ret = call->class->reg(call, TRACE_REG_REGISTER);
+			else
+				ret = tracepoint_probe_register(call->name,
+								call->class->probe,
+								call);
 			if (ret) {
 				tracing_stop_cmdline_record();
 				pr_info("event trace: Could not enable event "
@@ -171,7 +181,8 @@ static int __ftrace_set_clr_event(const char *match, const char *sub,
 	mutex_lock(&event_mutex);
 	list_for_each_entry(call, &ftrace_events, list) {
 
-		if (!call->name || !call->regfunc)
+		if (!call->name || !call->class ||
+		    (!call->class->probe && !call->class->reg))
 			continue;
 
 		if (match &&
@@ -297,7 +308,7 @@ t_next(struct seq_file *m, void *v, loff_t *pos)
 		 * The ftrace subsystem is for showing formats only.
 		 * They can not be enabled or disabled via the event files.
 		 */
-		if (call->regfunc)
+		if (call->class && (call->class->probe || call->class->reg))
 			return call;
 	}
 
@@ -450,7 +461,8 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 
 	mutex_lock(&event_mutex);
 	list_for_each_entry(call, &ftrace_events, list) {
-		if (!call->name || !call->regfunc)
+		if (!call->name || !call->class ||
+		    (!call->class->probe && !call->class->reg))
 			continue;
 
 		if (system && strcmp(call->class->system, system) != 0)
@@ -935,13 +947,15 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
 		return -1;
 	}
 
-	if (call->regfunc)
+	if (call->class->probe || call->class->reg)
 		trace_create_file("enable", 0644, call->dir, call,
 				  enable);
 
-	if (call->id && call->perf_event_enable)
+#ifdef CONFIG_PERF_EVENTS
+	if (call->id && (call->class->perf_probe || call->class->reg))
 		trace_create_file("id", 0444, call->dir, call,
 		 		  id);
+#endif
 
 	if (call->define_fields) {
 		ret = trace_define_common_fields(call);
@@ -1388,8 +1402,8 @@ static __init void event_trace_self_tests(void)
 
 	list_for_each_entry(call, &ftrace_events, list) {
 
-		/* Only test those that have a regfunc */
-		if (!call->regfunc)
+		/* Only test those that have a probe */
+		if (!call->class || !call->class->probe)
 			continue;
 
 /*
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index eda220bf206..f8af21a53f0 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -202,6 +202,7 @@ struct trace_probe {
 	unsigned long 		nhit;
 	unsigned int		flags;	/* For TP_FLAG_* */
 	const char		*symbol;	/* symbol name */
+	struct ftrace_event_class	class;
 	struct ftrace_event_call	call;
 	struct trace_event		event;
 	unsigned int		nr_args;
@@ -323,6 +324,7 @@ static struct trace_probe *alloc_trace_probe(const char *group,
 		goto error;
 	}
 
+	tp->call.class = &tp->class;
 	tp->call.name = kstrdup(event, GFP_KERNEL);
 	if (!tp->call.name)
 		goto error;
@@ -332,8 +334,8 @@ static struct trace_probe *alloc_trace_probe(const char *group,
 		goto error;
 	}
 
-	tp->call.class->system = kstrdup(group, GFP_KERNEL);
-	if (!tp->call.class->system)
+	tp->class.system = kstrdup(group, GFP_KERNEL);
+	if (!tp->class.system)
 		goto error;
 
 	INIT_LIST_HEAD(&tp->list);
@@ -1302,6 +1304,26 @@ static void probe_perf_disable(struct ftrace_event_call *call)
 }
 #endif	/* CONFIG_PERF_EVENTS */
 
+static __kprobes
+int kprobe_register(struct ftrace_event_call *event, enum trace_reg type)
+{
+	switch (type) {
+	case TRACE_REG_REGISTER:
+		return probe_event_enable(event);
+	case TRACE_REG_UNREGISTER:
+		probe_event_disable(event);
+		return 0;
+
+#ifdef CONFIG_PERF_EVENTS
+	case TRACE_REG_PERF_REGISTER:
+		return probe_perf_enable(event);
+	case TRACE_REG_PERF_UNREGISTER:
+		probe_perf_disable(event);
+		return 0;
+#endif
+	}
+	return 0;
+}
 
 static __kprobes
 int kprobe_dispatcher(struct kprobe *kp, struct pt_regs *regs)
@@ -1355,13 +1377,7 @@ static int register_probe_event(struct trace_probe *tp)
 		return -ENODEV;
 	}
 	call->enabled = 0;
-	call->regfunc = probe_event_enable;
-	call->unregfunc = probe_event_disable;
-
-#ifdef CONFIG_PERF_EVENTS
-	call->perf_event_enable = probe_perf_enable;
-	call->perf_event_disable = probe_perf_disable;
-#endif
+	call->class->reg = kprobe_register;
 	call->data = tp;
 	ret = trace_add_event_call(call);
 	if (ret) {
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index b8d30e7ecd0..a21d366cae4 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -15,8 +15,19 @@ static int sys_refcount_exit;
 static DECLARE_BITMAP(enabled_enter_syscalls, NR_syscalls);
 static DECLARE_BITMAP(enabled_exit_syscalls, NR_syscalls);
 
-struct ftrace_event_class event_class_syscalls = {
-	.system			= "syscalls"
+static int syscall_enter_register(struct ftrace_event_call *event,
+				 enum trace_reg type);
+static int syscall_exit_register(struct ftrace_event_call *event,
+				 enum trace_reg type);
+
+struct ftrace_event_class event_class_syscall_enter = {
+	.system			= "syscalls",
+	.reg			= syscall_enter_register
+};
+
+struct ftrace_event_class event_class_syscall_exit = {
+	.system			= "syscalls",
+	.reg			= syscall_exit_register
 };
 
 extern unsigned long __start_syscalls_metadata[];
@@ -587,3 +598,44 @@ void perf_sysexit_disable(struct ftrace_event_call *call)
 
 #endif /* CONFIG_PERF_EVENTS */
 
+static int syscall_enter_register(struct ftrace_event_call *event,
+				 enum trace_reg type)
+{
+	switch (type) {
+	case TRACE_REG_REGISTER:
+		return reg_event_syscall_enter(event);
+	case TRACE_REG_UNREGISTER:
+		unreg_event_syscall_enter(event);
+		return 0;
+
+#ifdef CONFIG_PERF_EVENTS
+	case TRACE_REG_PERF_REGISTER:
+		return perf_sysenter_enable(event);
+	case TRACE_REG_PERF_UNREGISTER:
+		perf_sysenter_disable(event);
+		return 0;
+#endif
+	}
+	return 0;
+}
+
+static int syscall_exit_register(struct ftrace_event_call *event,
+				 enum trace_reg type)
+{
+	switch (type) {
+	case TRACE_REG_REGISTER:
+		return reg_event_syscall_exit(event);
+	case TRACE_REG_UNREGISTER:
+		unreg_event_syscall_exit(event);
+		return 0;
+
+#ifdef CONFIG_PERF_EVENTS
+	case TRACE_REG_PERF_REGISTER:
+		return perf_sysexit_enable(event);
+	case TRACE_REG_PERF_UNREGISTER:
+		perf_sysexit_disable(event);
+		return 0;
+#endif
+	}
+	return 0;
+}

From 2e33af029556cb8bd22bf4f86f42d540249177ea Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Thu, 22 Apr 2010 10:35:55 -0400
Subject: [PATCH 1430/3638] tracing: Move fields from event to class structure

Move the defined fields from the event to the class structure.
Since the fields of the event are defined by the class they belong
to, it makes sense to have the class hold the information instead
of the individual events. The events of the same class would just
hold duplicate information.

After this change the size of the kernel dropped another 3K:

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4900252	1057412	 861512	6819176	 680d68	vmlinux.regs
4900375	1053380	 861512	6815267	 67fe23	vmlinux.fields

Although the text increased, this was mainly due to the C files
having to adapt to the change. This is a constant increase, where
new tracepoints will not increase the Text. But the big drop is
in the data size (as well as needed allocations to hold the fields).
This will give even more savings as more tracepoints are created.

Note, if just TRACE_EVENT()s are used and not DECLARE_EVENT_CLASS()
with several DEFINE_EVENT()s, then the savings will be lost. But
we are pushing developers to consolidate events with DEFINE_EVENT()
so this should not be an issue.

The kprobes define a unique class to every new event, but are dynamic
so it should not be a issue.

The syscalls however have a single class but the fields for the individual
events are different. The syscalls use a metadata to define the
fields. I moved the fields list from the event to the metadata and
added a "get_fields()" function to the class. This function is used
to find the fields. For normal events and kprobes, get_fields() just
returns a pointer to the fields list_head in the class. For syscall
events, it returns the fields list_head in the metadata for the event.

v2:  Fixed the syscall fields. The syscall metadata needs a list
     of fields for both enter and exit.

Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h       |  5 ++--
 include/linux/syscalls.h           | 14 +++++----
 include/trace/ftrace.h             | 11 +++----
 include/trace/syscall.h            |  4 +--
 kernel/trace/trace.h               |  3 ++
 kernel/trace/trace_events.c        | 48 ++++++++++++++++++++++--------
 kernel/trace/trace_events_filter.c | 10 ++++---
 kernel/trace/trace_export.c        | 14 ++++-----
 kernel/trace/trace_kprobe.c        |  8 ++---
 kernel/trace/trace_syscalls.c      | 31 ++++++++++++++++---
 10 files changed, 102 insertions(+), 46 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index e665ed38b4b..479c3c1876e 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -130,6 +130,9 @@ struct ftrace_event_class {
 #endif
 	int			(*reg)(struct ftrace_event_call *event,
 				       enum trace_reg type);
+	int			(*define_fields)(struct ftrace_event_call *);
+	struct list_head	*(*get_fields)(struct ftrace_event_call *);
+	struct list_head	fields;
 };
 
 struct ftrace_event_call {
@@ -142,8 +145,6 @@ struct ftrace_event_call {
 	int			id;
 	const char		*print_fmt;
 	int			(*raw_init)(struct ftrace_event_call *);
-	int			(*define_fields)(struct ftrace_event_call *);
-	struct list_head	fields;
 	int			filter_active;
 	struct event_filter	*filter;
 	void			*mod;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index e3348c4c22e..fd0f1f248cd 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -122,7 +122,7 @@ extern struct ftrace_event_class event_class_syscall_enter;
 extern struct ftrace_event_class event_class_syscall_exit;
 
 #define SYSCALL_TRACE_ENTER_EVENT(sname)				\
-	static const struct syscall_metadata __syscall_meta_##sname;	\
+	static struct syscall_metadata __syscall_meta_##sname;		\
 	static struct ftrace_event_call					\
 	__attribute__((__aligned__(4))) event_enter_##sname;		\
 	static struct trace_event enter_syscall_print_##sname = {	\
@@ -136,12 +136,11 @@ extern struct ftrace_event_class event_class_syscall_exit;
 		.class			= &event_class_syscall_enter,	\
 		.event                  = &enter_syscall_print_##sname,	\
 		.raw_init		= init_syscall_trace,		\
-		.define_fields		= syscall_enter_define_fields,	\
 		.data			= (void *)&__syscall_meta_##sname,\
 	}
 
 #define SYSCALL_TRACE_EXIT_EVENT(sname)					\
-	static const struct syscall_metadata __syscall_meta_##sname;	\
+	static struct syscall_metadata __syscall_meta_##sname;		\
 	static struct ftrace_event_call					\
 	__attribute__((__aligned__(4))) event_exit_##sname;		\
 	static struct trace_event exit_syscall_print_##sname = {	\
@@ -155,14 +154,13 @@ extern struct ftrace_event_class event_class_syscall_exit;
 		.class			= &event_class_syscall_exit,	\
 		.event                  = &exit_syscall_print_##sname,	\
 		.raw_init		= init_syscall_trace,		\
-		.define_fields		= syscall_exit_define_fields,	\
 		.data			= (void *)&__syscall_meta_##sname,\
 	}
 
 #define SYSCALL_METADATA(sname, nb)				\
 	SYSCALL_TRACE_ENTER_EVENT(sname);			\
 	SYSCALL_TRACE_EXIT_EVENT(sname);			\
-	static const struct syscall_metadata __used		\
+	static struct syscall_metadata __used			\
 	  __attribute__((__aligned__(4)))			\
 	  __attribute__((section("__syscalls_metadata")))	\
 	  __syscall_meta_##sname = {				\
@@ -172,12 +170,14 @@ extern struct ftrace_event_class event_class_syscall_exit;
 		.args		= args_##sname,			\
 		.enter_event	= &event_enter_##sname,		\
 		.exit_event	= &event_exit_##sname,		\
+		.enter_fields	= LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
+		.exit_fields	= LIST_HEAD_INIT(__syscall_meta_##sname.exit_fields), \
 	};
 
 #define SYSCALL_DEFINE0(sname)					\
 	SYSCALL_TRACE_ENTER_EVENT(_##sname);			\
 	SYSCALL_TRACE_EXIT_EVENT(_##sname);			\
-	static const struct syscall_metadata __used		\
+	static struct syscall_metadata __used			\
 	  __attribute__((__aligned__(4)))			\
 	  __attribute__((section("__syscalls_metadata")))	\
 	  __syscall_meta__##sname = {				\
@@ -185,6 +185,8 @@ extern struct ftrace_event_class event_class_syscall_exit;
 		.nb_args 	= 0,				\
 		.enter_event	= &event_enter__##sname,	\
 		.exit_event	= &event_exit__##sname,		\
+		.enter_fields	= LIST_HEAD_INIT(__syscall_meta__##sname.enter_fields), \
+		.exit_fields	= LIST_HEAD_INIT(__syscall_meta__##sname.exit_fields), \
 	};							\
 	asmlinkage long sys_##sname(void)
 #else
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 26d132418f9..c7e3bcd5d52 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -430,6 +430,9 @@ static inline notrace int ftrace_get_offsets_##call(			\
  *
  * static struct ftrace_event_class __used event_class_<template> = {
  *	.system			= "<system>",
+ *	.define_fields		= ftrace_define_fields_<call>,
+ *	.fields			= LIST_HEAD_INIT(event_class_##call.fields), \
+ *	.probe			= ftrace_raw_event_##call,		\
  * };
  *
  * static struct ftrace_event_call __used
@@ -438,10 +441,8 @@ static inline notrace int ftrace_get_offsets_##call(			\
  *	.name			= "<call>",
  *	.class			= event_class_<template>,
  *	.raw_init		= trace_event_raw_init,
- *	.regfunc		= ftrace_raw_reg_event_<call>,
- *	.unregfunc		= ftrace_raw_unreg_event_<call>,
+ *	.event			= &ftrace_event_type_<call>,
  *	.print_fmt		= print_fmt_<call>,
- *	.define_fields		= ftrace_define_fields_<call>,
  * };
  *
  */
@@ -563,6 +564,8 @@ _TRACE_PERF_PROTO(call, PARAMS(proto));					\
 static const char print_fmt_##call[] = print;				\
 static struct ftrace_event_class __used event_class_##call = {		\
 	.system			= __stringify(TRACE_SYSTEM),		\
+	.define_fields		= ftrace_define_fields_##call,		\
+	.fields			= LIST_HEAD_INIT(event_class_##call.fields),\
 	.probe			= ftrace_raw_event_##call,		\
 	_TRACE_PERF_INIT(call)						\
 };
@@ -578,7 +581,6 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.event			= &ftrace_event_type_##call,		\
 	.raw_init		= trace_event_raw_init,			\
 	.print_fmt		= print_fmt_##template,			\
-	.define_fields		= ftrace_define_fields_##template,	\
 };
 
 #undef DEFINE_EVENT_PRINT
@@ -594,7 +596,6 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.event			= &ftrace_event_type_##call,		\
 	.raw_init		= trace_event_raw_init,			\
 	.print_fmt		= print_fmt_##call,			\
-	.define_fields		= ftrace_define_fields_##template,	\
 }
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index e5e5f48dbfb..39647743cd9 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -25,6 +25,8 @@ struct syscall_metadata {
 	int		nb_args;
 	const char	**types;
 	const char	**args;
+	struct list_head enter_fields;
+	struct list_head exit_fields;
 
 	struct ftrace_event_call *enter_event;
 	struct ftrace_event_call *exit_event;
@@ -34,8 +36,6 @@ struct syscall_metadata {
 extern unsigned long arch_syscall_addr(int nr);
 extern int init_syscall_trace(struct ftrace_event_call *call);
 
-extern int syscall_enter_define_fields(struct ftrace_event_call *call);
-extern int syscall_exit_define_fields(struct ftrace_event_call *call);
 extern int reg_event_syscall_enter(struct ftrace_event_call *call);
 extern void unreg_event_syscall_enter(struct ftrace_event_call *call);
 extern int reg_event_syscall_exit(struct ftrace_event_call *call);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 911e9864e94..c88c563a59a 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -794,6 +794,9 @@ extern void print_subsystem_event_filter(struct event_subsystem *system,
 					 struct trace_seq *s);
 extern int filter_assign_type(const char *type);
 
+struct list_head *
+trace_get_fields(struct ftrace_event_call *event_call);
+
 static inline int
 filter_check_discard(struct ftrace_event_call *call, void *rec,
 		     struct ring_buffer *buffer,
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 19d1eb0a718..acc0f55742c 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -29,11 +29,23 @@ DEFINE_MUTEX(event_mutex);
 
 LIST_HEAD(ftrace_events);
 
+struct list_head *
+trace_get_fields(struct ftrace_event_call *event_call)
+{
+	if (!event_call->class->get_fields)
+		return &event_call->class->fields;
+	return event_call->class->get_fields(event_call);
+}
+
 int trace_define_field(struct ftrace_event_call *call, const char *type,
 		       const char *name, int offset, int size, int is_signed,
 		       int filter_type)
 {
 	struct ftrace_event_field *field;
+	struct list_head *head;
+
+	if (WARN_ON(!call->class))
+		return 0;
 
 	field = kzalloc(sizeof(*field), GFP_KERNEL);
 	if (!field)
@@ -56,7 +68,8 @@ int trace_define_field(struct ftrace_event_call *call, const char *type,
 	field->size = size;
 	field->is_signed = is_signed;
 
-	list_add(&field->link, &call->fields);
+	head = trace_get_fields(call);
+	list_add(&field->link, head);
 
 	return 0;
 
@@ -94,8 +107,10 @@ static int trace_define_common_fields(struct ftrace_event_call *call)
 void trace_destroy_fields(struct ftrace_event_call *call)
 {
 	struct ftrace_event_field *field, *next;
+	struct list_head *head;
 
-	list_for_each_entry_safe(field, next, &call->fields, link) {
+	head = trace_get_fields(call);
+	list_for_each_entry_safe(field, next, head, link) {
 		list_del(&field->link);
 		kfree(field->type);
 		kfree(field->name);
@@ -111,7 +126,6 @@ int trace_event_raw_init(struct ftrace_event_call *call)
 	if (!id)
 		return -ENODEV;
 	call->id = id;
-	INIT_LIST_HEAD(&call->fields);
 
 	return 0;
 }
@@ -537,6 +551,7 @@ event_format_read(struct file *filp, char __user *ubuf, size_t cnt,
 {
 	struct ftrace_event_call *call = filp->private_data;
 	struct ftrace_event_field *field;
+	struct list_head *head;
 	struct trace_seq *s;
 	int common_field_count = 5;
 	char *buf;
@@ -555,7 +570,8 @@ event_format_read(struct file *filp, char __user *ubuf, size_t cnt,
 	trace_seq_printf(s, "ID: %d\n", call->id);
 	trace_seq_printf(s, "format:\n");
 
-	list_for_each_entry_reverse(field, &call->fields, link) {
+	head = trace_get_fields(call);
+	list_for_each_entry_reverse(field, head, link) {
 		/*
 		 * Smartly shows the array type(except dynamic array).
 		 * Normal:
@@ -931,6 +947,7 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
 		 const struct file_operations *filter,
 		 const struct file_operations *format)
 {
+	struct list_head *head;
 	int ret;
 
 	/*
@@ -957,14 +974,21 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
 		 		  id);
 #endif
 
-	if (call->define_fields) {
-		ret = trace_define_common_fields(call);
-		if (!ret)
-			ret = call->define_fields(call);
-		if (ret < 0) {
-			pr_warning("Could not initialize trace point"
-				   " events/%s\n", call->name);
-			return ret;
+	if (call->class->define_fields) {
+		/*
+		 * Other events may have the same class. Only update
+		 * the fields if they are not already defined.
+		 */
+		head = trace_get_fields(call);
+		if (list_empty(head)) {
+			ret = trace_define_common_fields(call);
+			if (!ret)
+				ret = call->class->define_fields(call);
+			if (ret < 0) {
+				pr_warning("Could not initialize trace point"
+					   " events/%s\n", call->name);
+				return ret;
+			}
 		}
 		trace_create_file("filter", 0644, call->dir, call,
 				  filter);
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index ca329603d0b..961f99b74bd 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -500,8 +500,10 @@ static struct ftrace_event_field *
 find_event_field(struct ftrace_event_call *call, char *name)
 {
 	struct ftrace_event_field *field;
+	struct list_head *head;
 
-	list_for_each_entry(field, &call->fields, link) {
+	head = trace_get_fields(call);
+	list_for_each_entry(field, head, link) {
 		if (!strcmp(field->name, name))
 			return field;
 	}
@@ -625,7 +627,7 @@ static int init_subsystem_preds(struct event_subsystem *system)
 	int err;
 
 	list_for_each_entry(call, &ftrace_events, list) {
-		if (!call->define_fields)
+		if (!call->class || !call->class->define_fields)
 			continue;
 
 		if (strcmp(call->class->system, system->name) != 0)
@@ -644,7 +646,7 @@ static void filter_free_subsystem_preds(struct event_subsystem *system)
 	struct ftrace_event_call *call;
 
 	list_for_each_entry(call, &ftrace_events, list) {
-		if (!call->define_fields)
+		if (!call->class || !call->class->define_fields)
 			continue;
 
 		if (strcmp(call->class->system, system->name) != 0)
@@ -1249,7 +1251,7 @@ static int replace_system_preds(struct event_subsystem *system,
 	list_for_each_entry(call, &ftrace_events, list) {
 		struct event_filter *filter = call->filter;
 
-		if (!call->define_fields)
+		if (!call->class || !call->class->define_fields)
 			continue;
 
 		if (strcmp(call->class->system, system->name) != 0)
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 7f16e216381..e700a0c1803 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -18,10 +18,6 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM	ftrace
 
-struct ftrace_event_class event_class_ftrace = {
-	.system			= __stringify(TRACE_SYSTEM),
-};
-
 /* not needed for this file */
 #undef __field_struct
 #define __field_struct(type, item)
@@ -131,7 +127,7 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call)	\
 
 static int ftrace_raw_init_event(struct ftrace_event_call *call)
 {
-	INIT_LIST_HEAD(&call->fields);
+	INIT_LIST_HEAD(&call->class->fields);
 	return 0;
 }
 
@@ -159,15 +155,19 @@ static int ftrace_raw_init_event(struct ftrace_event_call *call)
 #undef FTRACE_ENTRY
 #define FTRACE_ENTRY(call, struct_name, type, tstruct, print)		\
 									\
+struct ftrace_event_class event_class_ftrace_##call = {			\
+	.system			= __stringify(TRACE_SYSTEM),		\
+	.define_fields		= ftrace_define_fields_##call,		\
+};									\
+									\
 struct ftrace_event_call __used						\
 __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
 	.id			= type,					\
-	.class			= &event_class_ftrace,			\
+	.class			= &event_class_ftrace_##call,		\
 	.raw_init		= ftrace_raw_init_event,		\
 	.print_fmt		= print,				\
-	.define_fields		= ftrace_define_fields_##call,		\
 };									\
 
 #include "trace_entries.h"
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index f8af21a53f0..b14bf745356 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1112,8 +1112,6 @@ static void probe_event_disable(struct ftrace_event_call *call)
 
 static int probe_event_raw_init(struct ftrace_event_call *event_call)
 {
-	INIT_LIST_HEAD(&event_call->fields);
-
 	return 0;
 }
 
@@ -1362,11 +1360,13 @@ static int register_probe_event(struct trace_probe *tp)
 	if (probe_is_return(tp)) {
 		tp->event.trace = print_kretprobe_event;
 		call->raw_init = probe_event_raw_init;
-		call->define_fields = kretprobe_event_define_fields;
+		INIT_LIST_HEAD(&call->class->fields);
+		call->class->define_fields = kretprobe_event_define_fields;
 	} else {
 		tp->event.trace = print_kprobe_event;
 		call->raw_init = probe_event_raw_init;
-		call->define_fields = kprobe_event_define_fields;
+		INIT_LIST_HEAD(&call->class->fields);
+		call->class->define_fields = kprobe_event_define_fields;
 	}
 	if (set_print_fmt(tp) < 0)
 		return -ENOMEM;
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index a21d366cae4..cceccf0d2e9 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -20,14 +20,37 @@ static int syscall_enter_register(struct ftrace_event_call *event,
 static int syscall_exit_register(struct ftrace_event_call *event,
 				 enum trace_reg type);
 
+static int syscall_enter_define_fields(struct ftrace_event_call *call);
+static int syscall_exit_define_fields(struct ftrace_event_call *call);
+
+static struct list_head *
+syscall_get_enter_fields(struct ftrace_event_call *call)
+{
+	struct syscall_metadata *entry = call->data;
+
+	return &entry->enter_fields;
+}
+
+static struct list_head *
+syscall_get_exit_fields(struct ftrace_event_call *call)
+{
+	struct syscall_metadata *entry = call->data;
+
+	return &entry->exit_fields;
+}
+
 struct ftrace_event_class event_class_syscall_enter = {
 	.system			= "syscalls",
-	.reg			= syscall_enter_register
+	.reg			= syscall_enter_register,
+	.define_fields		= syscall_enter_define_fields,
+	.get_fields		= syscall_get_enter_fields,
 };
 
 struct ftrace_event_class event_class_syscall_exit = {
 	.system			= "syscalls",
-	.reg			= syscall_exit_register
+	.reg			= syscall_exit_register,
+	.define_fields		= syscall_exit_define_fields,
+	.get_fields		= syscall_get_exit_fields,
 };
 
 extern unsigned long __start_syscalls_metadata[];
@@ -220,7 +243,7 @@ static void free_syscall_print_fmt(struct ftrace_event_call *call)
 		kfree(call->print_fmt);
 }
 
-int syscall_enter_define_fields(struct ftrace_event_call *call)
+static int syscall_enter_define_fields(struct ftrace_event_call *call)
 {
 	struct syscall_trace_enter trace;
 	struct syscall_metadata *meta = call->data;
@@ -243,7 +266,7 @@ int syscall_enter_define_fields(struct ftrace_event_call *call)
 	return ret;
 }
 
-int syscall_exit_define_fields(struct ftrace_event_call *call)
+static int syscall_exit_define_fields(struct ftrace_event_call *call)
 {
 	struct syscall_trace_exit trace;
 	int ret;

From 0405ab80aa94afb13bf9ac4a6fc9f2923d4b9114 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Thu, 22 Apr 2010 11:46:44 -0400
Subject: [PATCH 1431/3638] tracing: Move raw_init from events to class

The raw_init function pointer in the event is used to initialize
various kinds of events. The type of initialization needed is usually
classed to the kind of event it is.

Two events with the same class will always have the same initialization
function, so it makes sense to move this to the class structure.

Perhaps even making a special system structure would work since
the initialization is the same for all events within a system.
But since there's no system structure (yet), this will just move it
to the class.

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4900375	1053380	 861512	6815267	 67fe23	vmlinux.fields
4900382	1048964	 861512	6810858	 67ecea	vmlinux.init

The text grew very slightly, but this is a constant growth that happened
with the changing of the C files that call the init code.
The bigger savings is the data which will be saved the more events share
a class.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h  |  2 +-
 include/linux/syscalls.h      |  2 --
 include/trace/ftrace.h        |  9 ++++-----
 kernel/trace/trace_events.c   | 12 ++++++------
 kernel/trace/trace_export.c   |  2 +-
 kernel/trace/trace_kprobe.c   |  6 +++---
 kernel/trace/trace_syscalls.c |  2 ++
 7 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 479c3c1876e..393a8394df0 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -133,6 +133,7 @@ struct ftrace_event_class {
 	int			(*define_fields)(struct ftrace_event_call *);
 	struct list_head	*(*get_fields)(struct ftrace_event_call *);
 	struct list_head	fields;
+	int			(*raw_init)(struct ftrace_event_call *);
 };
 
 struct ftrace_event_call {
@@ -144,7 +145,6 @@ struct ftrace_event_call {
 	int			enabled;
 	int			id;
 	const char		*print_fmt;
-	int			(*raw_init)(struct ftrace_event_call *);
 	int			filter_active;
 	struct event_filter	*filter;
 	void			*mod;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index fd0f1f248cd..211c704a71e 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -135,7 +135,6 @@ extern struct ftrace_event_class event_class_syscall_exit;
 		.name                   = "sys_enter"#sname,		\
 		.class			= &event_class_syscall_enter,	\
 		.event                  = &enter_syscall_print_##sname,	\
-		.raw_init		= init_syscall_trace,		\
 		.data			= (void *)&__syscall_meta_##sname,\
 	}
 
@@ -153,7 +152,6 @@ extern struct ftrace_event_class event_class_syscall_exit;
 		.name                   = "sys_exit"#sname,		\
 		.class			= &event_class_syscall_exit,	\
 		.event                  = &exit_syscall_print_##sname,	\
-		.raw_init		= init_syscall_trace,		\
 		.data			= (void *)&__syscall_meta_##sname,\
 	}
 
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index c7e3bcd5d52..e7eb33420b0 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -431,8 +431,9 @@ static inline notrace int ftrace_get_offsets_##call(			\
  * static struct ftrace_event_class __used event_class_<template> = {
  *	.system			= "<system>",
  *	.define_fields		= ftrace_define_fields_<call>,
- *	.fields			= LIST_HEAD_INIT(event_class_##call.fields), \
- *	.probe			= ftrace_raw_event_##call,		\
+ *	.fields			= LIST_HEAD_INIT(event_class_##call.fields),
+ *	.raw_init		= trace_event_raw_init,
+ *	.probe			= ftrace_raw_event_##call,
  * };
  *
  * static struct ftrace_event_call __used
@@ -440,7 +441,6 @@ static inline notrace int ftrace_get_offsets_##call(			\
  * __attribute__((section("_ftrace_events"))) event_<call> = {
  *	.name			= "<call>",
  *	.class			= event_class_<template>,
- *	.raw_init		= trace_event_raw_init,
  *	.event			= &ftrace_event_type_<call>,
  *	.print_fmt		= print_fmt_<call>,
  * };
@@ -566,6 +566,7 @@ static struct ftrace_event_class __used event_class_##call = {		\
 	.system			= __stringify(TRACE_SYSTEM),		\
 	.define_fields		= ftrace_define_fields_##call,		\
 	.fields			= LIST_HEAD_INIT(event_class_##call.fields),\
+	.raw_init		= trace_event_raw_init,			\
 	.probe			= ftrace_raw_event_##call,		\
 	_TRACE_PERF_INIT(call)						\
 };
@@ -579,7 +580,6 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
 	.class			= &event_class_##template,		\
 	.event			= &ftrace_event_type_##call,		\
-	.raw_init		= trace_event_raw_init,			\
 	.print_fmt		= print_fmt_##template,			\
 };
 
@@ -594,7 +594,6 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
 	.class			= &event_class_##template,		\
 	.event			= &ftrace_event_type_##call,		\
-	.raw_init		= trace_event_raw_init,			\
 	.print_fmt		= print_fmt_##call,			\
 }
 
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index acc0f55742c..8e94255a45e 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1008,8 +1008,8 @@ static int __trace_add_event_call(struct ftrace_event_call *call)
 	if (!call->name)
 		return -EINVAL;
 
-	if (call->raw_init) {
-		ret = call->raw_init(call);
+	if (call->class->raw_init) {
+		ret = call->class->raw_init(call);
 		if (ret < 0) {
 			if (ret != -ENOSYS)
 				pr_warning("Could not initialize trace "
@@ -1170,8 +1170,8 @@ static void trace_module_add_events(struct module *mod)
 		/* The linker may leave blanks */
 		if (!call->name)
 			continue;
-		if (call->raw_init) {
-			ret = call->raw_init(call);
+		if (call->class->raw_init) {
+			ret = call->class->raw_init(call);
 			if (ret < 0) {
 				if (ret != -ENOSYS)
 					pr_warning("Could not initialize trace "
@@ -1324,8 +1324,8 @@ static __init int event_trace_init(void)
 		/* The linker may leave blanks */
 		if (!call->name)
 			continue;
-		if (call->raw_init) {
-			ret = call->raw_init(call);
+		if (call->class->raw_init) {
+			ret = call->class->raw_init(call);
 			if (ret < 0) {
 				if (ret != -ENOSYS)
 					pr_warning("Could not initialize trace "
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index e700a0c1803..e878d06c0ac 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -158,6 +158,7 @@ static int ftrace_raw_init_event(struct ftrace_event_call *call)
 struct ftrace_event_class event_class_ftrace_##call = {			\
 	.system			= __stringify(TRACE_SYSTEM),		\
 	.define_fields		= ftrace_define_fields_##call,		\
+	.raw_init		= ftrace_raw_init_event,		\
 };									\
 									\
 struct ftrace_event_call __used						\
@@ -166,7 +167,6 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
 	.id			= type,					\
 	.class			= &event_class_ftrace_##call,		\
-	.raw_init		= ftrace_raw_init_event,		\
 	.print_fmt		= print,				\
 };									\
 
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index b14bf745356..428f4a52de6 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1359,13 +1359,13 @@ static int register_probe_event(struct trace_probe *tp)
 	/* Initialize ftrace_event_call */
 	if (probe_is_return(tp)) {
 		tp->event.trace = print_kretprobe_event;
-		call->raw_init = probe_event_raw_init;
 		INIT_LIST_HEAD(&call->class->fields);
+		call->class->raw_init = probe_event_raw_init;
 		call->class->define_fields = kretprobe_event_define_fields;
 	} else {
-		tp->event.trace = print_kprobe_event;
-		call->raw_init = probe_event_raw_init;
 		INIT_LIST_HEAD(&call->class->fields);
+		tp->event.trace = print_kprobe_event;
+		call->class->raw_init = probe_event_raw_init;
 		call->class->define_fields = kprobe_event_define_fields;
 	}
 	if (set_print_fmt(tp) < 0)
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index cceccf0d2e9..1c1b9bf3ccc 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -44,6 +44,7 @@ struct ftrace_event_class event_class_syscall_enter = {
 	.reg			= syscall_enter_register,
 	.define_fields		= syscall_enter_define_fields,
 	.get_fields		= syscall_get_enter_fields,
+	.raw_init		= init_syscall_trace,
 };
 
 struct ftrace_event_class event_class_syscall_exit = {
@@ -51,6 +52,7 @@ struct ftrace_event_class event_class_syscall_exit = {
 	.reg			= syscall_exit_register,
 	.define_fields		= syscall_exit_define_fields,
 	.get_fields		= syscall_get_exit_fields,
+	.raw_init		= init_syscall_trace,
 };
 
 extern unsigned long __start_syscalls_metadata[];

From a9a5776380208a3e48a92d0c763ee1a3b486fb73 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Thu, 22 Apr 2010 18:46:14 -0400
Subject: [PATCH 1432/3638] tracing: Allow events to share their print
 functions

Multiple events may use the same method to print their data.
Instead of having all events have a pointer to their print funtions,
the trace_event structure now points to a trace_event_functions structure
that will hold the way to print ouf the event.

The event itself is now passed to the print function to let the print
function know what kind of event it should print.

This opens the door to consolidating the way several events print
their output.

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4900382	1048964	 861512	6810858	 67ecea	vmlinux.init
4900446	1049028	 861512	6810986	 67ed6a	vmlinux.preprint

This change slightly increases the size but is needed for the next change.

v3: Fix the branch tracer events to handle this change.

v2: Fix the new function graph tracer event calls to handle this change.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h         |  17 +++-
 include/linux/syscalls.h             |  10 +-
 include/trace/ftrace.h               |  13 ++-
 include/trace/syscall.h              |   6 +-
 kernel/trace/blktrace.c              |  13 ++-
 kernel/trace/kmemtrace.c             |  28 ++++--
 kernel/trace/trace.c                 |   9 +-
 kernel/trace/trace_branch.c          |   8 +-
 kernel/trace/trace_functions_graph.c |  13 ++-
 kernel/trace/trace_kprobe.c          |  22 +++--
 kernel/trace/trace_output.c          | 139 ++++++++++++++++++---------
 kernel/trace/trace_output.h          |   2 +-
 kernel/trace/trace_syscalls.c        |   6 +-
 13 files changed, 193 insertions(+), 93 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 393a8394df0..4f77932b098 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -70,18 +70,25 @@ struct trace_iterator {
 };
 
 
+struct trace_event;
+
 typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
-					      int flags);
-struct trace_event {
-	struct hlist_node	node;
-	struct list_head	list;
-	int			type;
+				      int flags, struct trace_event *event);
+
+struct trace_event_functions {
 	trace_print_func	trace;
 	trace_print_func	raw;
 	trace_print_func	hex;
 	trace_print_func	binary;
 };
 
+struct trace_event {
+	struct hlist_node		node;
+	struct list_head		list;
+	int				type;
+	struct trace_event_functions	*funcs;
+};
+
 extern int register_ftrace_event(struct trace_event *event);
 extern int unregister_ftrace_event(struct trace_event *event);
 
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 211c704a71e..f7256770a20 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -125,9 +125,12 @@ extern struct ftrace_event_class event_class_syscall_exit;
 	static struct syscall_metadata __syscall_meta_##sname;		\
 	static struct ftrace_event_call					\
 	__attribute__((__aligned__(4))) event_enter_##sname;		\
-	static struct trace_event enter_syscall_print_##sname = {	\
+	static struct trace_event_functions enter_syscall_print_funcs_##sname = { \
 		.trace                  = print_syscall_enter,		\
 	};								\
+	static struct trace_event enter_syscall_print_##sname = {	\
+		.funcs                  = &enter_syscall_print_funcs_##sname, \
+	};								\
 	static struct ftrace_event_call __used				\
 	  __attribute__((__aligned__(4)))				\
 	  __attribute__((section("_ftrace_events")))			\
@@ -142,9 +145,12 @@ extern struct ftrace_event_class event_class_syscall_exit;
 	static struct syscall_metadata __syscall_meta_##sname;		\
 	static struct ftrace_event_call					\
 	__attribute__((__aligned__(4))) event_exit_##sname;		\
-	static struct trace_event exit_syscall_print_##sname = {	\
+	static struct trace_event_functions exit_syscall_print_funcs_##sname = { \
 		.trace                  = print_syscall_exit,		\
 	};								\
+	static struct trace_event exit_syscall_print_##sname = {	\
+		.funcs                  = &exit_syscall_print_funcs_##sname, \
+	};								\
 	static struct ftrace_event_call __used				\
 	  __attribute__((__aligned__(4)))				\
 	  __attribute__((section("_ftrace_events")))			\
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index e7eb33420b0..51ed7f3568a 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -239,7 +239,8 @@ ftrace_raw_output_id_##call(int event_id, const char *name,		\
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, name, proto, args)			\
 static notrace enum print_line_t					\
-ftrace_raw_output_##name(struct trace_iterator *iter, int flags)	\
+ftrace_raw_output_##name(struct trace_iterator *iter, int flags,	\
+			 struct trace_event *event)			\
 {									\
 	return ftrace_raw_output_id_##template(event_##name.id,		\
 					       #name, iter, flags);	\
@@ -248,7 +249,8 @@ ftrace_raw_output_##name(struct trace_iterator *iter, int flags)	\
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
 static notrace enum print_line_t					\
-ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
+ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
+			 struct trace_event *event)			\
 {									\
 	struct trace_seq *s = &iter->seq;				\
 	struct ftrace_raw_##template *field;				\
@@ -531,11 +533,12 @@ ftrace_raw_event_##call(void *__data, proto)				\
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)			\
-									\
-static struct trace_event ftrace_event_type_##call = {			\
+static struct trace_event_functions ftrace_event_type_funcs_##call = {	\
 	.trace			= ftrace_raw_output_##call,		\
 };									\
-									\
+static struct trace_event ftrace_event_type_##call = {			\
+	.funcs			= &ftrace_event_type_funcs_##call,	\
+};									\
 static inline void ftrace_test_probe_##call(void)			\
 {									\
 	check_trace_callback_type_##call(ftrace_raw_event_##template);	\
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index 39647743cd9..257e08960d7 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -42,8 +42,10 @@ extern int reg_event_syscall_exit(struct ftrace_event_call *call);
 extern void unreg_event_syscall_exit(struct ftrace_event_call *call);
 extern int
 ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s);
-enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags);
-enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags);
+enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags,
+				      struct trace_event *event);
+enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags,
+				     struct trace_event *event);
 #endif
 
 #ifdef CONFIG_PERF_EVENTS
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 19d93f83e3c..36ea2b65dcd 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1336,7 +1336,7 @@ out:
 }
 
 static enum print_line_t blk_trace_event_print(struct trace_iterator *iter,
-					       int flags)
+					       int flags, struct trace_event *event)
 {
 	return print_one_line(iter, false);
 }
@@ -1358,7 +1358,8 @@ static int blk_trace_synthesize_old_trace(struct trace_iterator *iter)
 }
 
 static enum print_line_t
-blk_trace_event_print_binary(struct trace_iterator *iter, int flags)
+blk_trace_event_print_binary(struct trace_iterator *iter, int flags,
+			     struct trace_event *event)
 {
 	return blk_trace_synthesize_old_trace(iter) ?
 			TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;
@@ -1396,12 +1397,16 @@ static struct tracer blk_tracer __read_mostly = {
 	.set_flag	= blk_tracer_set_flag,
 };
 
-static struct trace_event trace_blk_event = {
-	.type		= TRACE_BLK,
+static struct trace_event_functions trace_blk_event_funcs = {
 	.trace		= blk_trace_event_print,
 	.binary		= blk_trace_event_print_binary,
 };
 
+static struct trace_event trace_blk_event = {
+	.type		= TRACE_BLK,
+	.funcs		= &trace_blk_event_funcs,
+};
+
 static int __init init_blk_tracer(void)
 {
 	if (!register_ftrace_event(&trace_blk_event)) {
diff --git a/kernel/trace/kmemtrace.c b/kernel/trace/kmemtrace.c
index 7253d0c1c32..bbfc1bb1660 100644
--- a/kernel/trace/kmemtrace.c
+++ b/kernel/trace/kmemtrace.c
@@ -243,7 +243,8 @@ struct kmemtrace_user_event_alloc {
 };
 
 static enum print_line_t
-kmemtrace_print_alloc(struct trace_iterator *iter, int flags)
+kmemtrace_print_alloc(struct trace_iterator *iter, int flags,
+		      struct trace_event *event)
 {
 	struct trace_seq *s = &iter->seq;
 	struct kmemtrace_alloc_entry *entry;
@@ -263,7 +264,8 @@ kmemtrace_print_alloc(struct trace_iterator *iter, int flags)
 }
 
 static enum print_line_t
-kmemtrace_print_free(struct trace_iterator *iter, int flags)
+kmemtrace_print_free(struct trace_iterator *iter, int flags,
+		     struct trace_event *event)
 {
 	struct trace_seq *s = &iter->seq;
 	struct kmemtrace_free_entry *entry;
@@ -281,7 +283,8 @@ kmemtrace_print_free(struct trace_iterator *iter, int flags)
 }
 
 static enum print_line_t
-kmemtrace_print_alloc_user(struct trace_iterator *iter, int flags)
+kmemtrace_print_alloc_user(struct trace_iterator *iter, int flags,
+			   struct trace_event *event)
 {
 	struct trace_seq *s = &iter->seq;
 	struct kmemtrace_alloc_entry *entry;
@@ -315,7 +318,8 @@ kmemtrace_print_alloc_user(struct trace_iterator *iter, int flags)
 }
 
 static enum print_line_t
-kmemtrace_print_free_user(struct trace_iterator *iter, int flags)
+kmemtrace_print_free_user(struct trace_iterator *iter, int flags,
+			  struct trace_event *event)
 {
 	struct trace_seq *s = &iter->seq;
 	struct kmemtrace_free_entry *entry;
@@ -469,18 +473,26 @@ static enum print_line_t kmemtrace_print_line(struct trace_iterator *iter)
 	}
 }
 
-static struct trace_event kmem_trace_alloc = {
-	.type			= TRACE_KMEM_ALLOC,
+static struct trace_event_functions kmem_trace_alloc_funcs = {
 	.trace			= kmemtrace_print_alloc,
 	.binary			= kmemtrace_print_alloc_user,
 };
 
-static struct trace_event kmem_trace_free = {
-	.type			= TRACE_KMEM_FREE,
+static struct trace_event kmem_trace_alloc = {
+	.type			= TRACE_KMEM_ALLOC,
+	.funcs			= &kmem_trace_alloc_funcs,
+};
+
+static struct trace_event_functions kmem_trace_free_funcs = {
 	.trace			= kmemtrace_print_free,
 	.binary			= kmemtrace_print_free_user,
 };
 
+static struct trace_event kmem_trace_free = {
+	.type			= TRACE_KMEM_FREE,
+	.funcs			= &kmem_trace_free_funcs,
+};
+
 static struct tracer kmem_tracer __read_mostly = {
 	.name			= "kmemtrace",
 	.init			= kmem_trace_init,
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 756d7283318..ba0ec81158b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1936,7 +1936,7 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter)
 	}
 
 	if (event)
-		return event->trace(iter, sym_flags);
+		return event->funcs->trace(iter, sym_flags, event);
 
 	if (!trace_seq_printf(s, "Unknown type %d\n", entry->type))
 		goto partial;
@@ -1962,7 +1962,7 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter)
 
 	event = ftrace_find_event(entry->type);
 	if (event)
-		return event->raw(iter, 0);
+		return event->funcs->raw(iter, 0, event);
 
 	if (!trace_seq_printf(s, "%d ?\n", entry->type))
 		goto partial;
@@ -1989,7 +1989,7 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter)
 
 	event = ftrace_find_event(entry->type);
 	if (event) {
-		enum print_line_t ret = event->hex(iter, 0);
+		enum print_line_t ret = event->funcs->hex(iter, 0, event);
 		if (ret != TRACE_TYPE_HANDLED)
 			return ret;
 	}
@@ -2014,7 +2014,8 @@ static enum print_line_t print_bin_fmt(struct trace_iterator *iter)
 	}
 
 	event = ftrace_find_event(entry->type);
-	return event ? event->binary(iter, 0) : TRACE_TYPE_HANDLED;
+	return event ? event->funcs->binary(iter, 0, event) :
+		TRACE_TYPE_HANDLED;
 }
 
 int trace_empty(struct trace_iterator *iter)
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index b9bc4d47017..8d3538b4ea5 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -143,7 +143,7 @@ static void branch_trace_reset(struct trace_array *tr)
 }
 
 static enum print_line_t trace_branch_print(struct trace_iterator *iter,
-					    int flags)
+					    int flags, struct trace_event *event)
 {
 	struct trace_branch *field;
 
@@ -167,9 +167,13 @@ static void branch_print_header(struct seq_file *s)
 		"    |\n");
 }
 
+static struct trace_event_functions trace_branch_funcs = {
+	.trace		= trace_branch_print,
+};
+
 static struct trace_event trace_branch_event = {
 	.type		= TRACE_BRANCH,
-	.trace		= trace_branch_print,
+	.funcs		= &trace_branch_funcs,
 };
 
 static struct tracer branch_trace __read_mostly =
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index dd11c830eb8..79f4bac99a9 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -1025,7 +1025,7 @@ print_graph_comment(struct trace_seq *s, struct trace_entry *ent,
 		if (!event)
 			return TRACE_TYPE_UNHANDLED;
 
-		ret = event->trace(iter, sym_flags);
+		ret = event->funcs->trace(iter, sym_flags, event);
 		if (ret != TRACE_TYPE_HANDLED)
 			return ret;
 	}
@@ -1112,7 +1112,8 @@ print_graph_function(struct trace_iterator *iter)
 }
 
 static enum print_line_t
-print_graph_function_event(struct trace_iterator *iter, int flags)
+print_graph_function_event(struct trace_iterator *iter, int flags,
+			   struct trace_event *event)
 {
 	return print_graph_function(iter);
 }
@@ -1225,14 +1226,18 @@ void graph_trace_close(struct trace_iterator *iter)
 	}
 }
 
+static struct trace_event_functions graph_functions = {
+	.trace		= print_graph_function_event,
+};
+
 static struct trace_event graph_trace_entry_event = {
 	.type		= TRACE_GRAPH_ENT,
-	.trace		= print_graph_function_event,
+	.funcs		= &graph_functions,
 };
 
 static struct trace_event graph_trace_ret_event = {
 	.type		= TRACE_GRAPH_RET,
-	.trace		= print_graph_function_event,
+	.funcs		= &graph_functions
 };
 
 static struct tracer graph_trace __read_mostly = {
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 428f4a52de6..b989ae229a2 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1011,16 +1011,15 @@ static __kprobes void kretprobe_trace_func(struct kretprobe_instance *ri,
 
 /* Event entry printers */
 enum print_line_t
-print_kprobe_event(struct trace_iterator *iter, int flags)
+print_kprobe_event(struct trace_iterator *iter, int flags,
+		   struct trace_event *event)
 {
 	struct kprobe_trace_entry *field;
 	struct trace_seq *s = &iter->seq;
-	struct trace_event *event;
 	struct trace_probe *tp;
 	int i;
 
 	field = (struct kprobe_trace_entry *)iter->ent;
-	event = ftrace_find_event(field->ent.type);
 	tp = container_of(event, struct trace_probe, event);
 
 	if (!trace_seq_printf(s, "%s: (", tp->call.name))
@@ -1046,16 +1045,15 @@ partial:
 }
 
 enum print_line_t
-print_kretprobe_event(struct trace_iterator *iter, int flags)
+print_kretprobe_event(struct trace_iterator *iter, int flags,
+		      struct trace_event *event)
 {
 	struct kretprobe_trace_entry *field;
 	struct trace_seq *s = &iter->seq;
-	struct trace_event *event;
 	struct trace_probe *tp;
 	int i;
 
 	field = (struct kretprobe_trace_entry *)iter->ent;
-	event = ftrace_find_event(field->ent.type);
 	tp = container_of(event, struct trace_probe, event);
 
 	if (!trace_seq_printf(s, "%s: (", tp->call.name))
@@ -1351,6 +1349,14 @@ int kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs)
 	return 0;	/* We don't tweek kernel, so just return 0 */
 }
 
+static struct trace_event_functions kretprobe_funcs = {
+	.trace		= print_kretprobe_event
+};
+
+static struct trace_event_functions kprobe_funcs = {
+	.trace		= print_kprobe_event
+};
+
 static int register_probe_event(struct trace_probe *tp)
 {
 	struct ftrace_event_call *call = &tp->call;
@@ -1358,13 +1364,13 @@ static int register_probe_event(struct trace_probe *tp)
 
 	/* Initialize ftrace_event_call */
 	if (probe_is_return(tp)) {
-		tp->event.trace = print_kretprobe_event;
+		tp->event.funcs = &kretprobe_funcs;
 		INIT_LIST_HEAD(&call->class->fields);
 		call->class->raw_init = probe_event_raw_init;
 		call->class->define_fields = kretprobe_event_define_fields;
 	} else {
 		INIT_LIST_HEAD(&call->class->fields);
-		tp->event.trace = print_kprobe_event;
+		tp->event.funcs = &kprobe_funcs;
 		call->class->raw_init = probe_event_raw_init;
 		call->class->define_fields = kprobe_event_define_fields;
 	}
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 2404c129a8c..fc9d4dbb089 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -726,6 +726,9 @@ int register_ftrace_event(struct trace_event *event)
 	if (WARN_ON(!event))
 		goto out;
 
+	if (WARN_ON(!event->funcs))
+		goto out;
+
 	INIT_LIST_HEAD(&event->list);
 
 	if (!event->type) {
@@ -758,14 +761,14 @@ int register_ftrace_event(struct trace_event *event)
 			goto out;
 	}
 
-	if (event->trace == NULL)
-		event->trace = trace_nop_print;
-	if (event->raw == NULL)
-		event->raw = trace_nop_print;
-	if (event->hex == NULL)
-		event->hex = trace_nop_print;
-	if (event->binary == NULL)
-		event->binary = trace_nop_print;
+	if (event->funcs->trace == NULL)
+		event->funcs->trace = trace_nop_print;
+	if (event->funcs->raw == NULL)
+		event->funcs->raw = trace_nop_print;
+	if (event->funcs->hex == NULL)
+		event->funcs->hex = trace_nop_print;
+	if (event->funcs->binary == NULL)
+		event->funcs->binary = trace_nop_print;
 
 	key = event->type & (EVENT_HASHSIZE - 1);
 
@@ -807,13 +810,15 @@ EXPORT_SYMBOL_GPL(unregister_ftrace_event);
  * Standard events
  */
 
-enum print_line_t trace_nop_print(struct trace_iterator *iter, int flags)
+enum print_line_t trace_nop_print(struct trace_iterator *iter, int flags,
+				  struct trace_event *event)
 {
 	return TRACE_TYPE_HANDLED;
 }
 
 /* TRACE_FN */
-static enum print_line_t trace_fn_trace(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_fn_trace(struct trace_iterator *iter, int flags,
+					struct trace_event *event)
 {
 	struct ftrace_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -840,7 +845,8 @@ static enum print_line_t trace_fn_trace(struct trace_iterator *iter, int flags)
 	return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static enum print_line_t trace_fn_raw(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_fn_raw(struct trace_iterator *iter, int flags,
+				      struct trace_event *event)
 {
 	struct ftrace_entry *field;
 
@@ -854,7 +860,8 @@ static enum print_line_t trace_fn_raw(struct trace_iterator *iter, int flags)
 	return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_fn_hex(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_fn_hex(struct trace_iterator *iter, int flags,
+				      struct trace_event *event)
 {
 	struct ftrace_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -867,7 +874,8 @@ static enum print_line_t trace_fn_hex(struct trace_iterator *iter, int flags)
 	return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_fn_bin(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_fn_bin(struct trace_iterator *iter, int flags,
+				      struct trace_event *event)
 {
 	struct ftrace_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -880,14 +888,18 @@ static enum print_line_t trace_fn_bin(struct trace_iterator *iter, int flags)
 	return TRACE_TYPE_HANDLED;
 }
 
-static struct trace_event trace_fn_event = {
-	.type		= TRACE_FN,
+static struct trace_event_functions trace_fn_funcs = {
 	.trace		= trace_fn_trace,
 	.raw		= trace_fn_raw,
 	.hex		= trace_fn_hex,
 	.binary		= trace_fn_bin,
 };
 
+static struct trace_event trace_fn_event = {
+	.type		= TRACE_FN,
+	.funcs		= &trace_fn_funcs,
+};
+
 /* TRACE_CTX an TRACE_WAKE */
 static enum print_line_t trace_ctxwake_print(struct trace_iterator *iter,
 					     char *delim)
@@ -916,13 +928,14 @@ static enum print_line_t trace_ctxwake_print(struct trace_iterator *iter,
 	return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_ctx_print(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_ctx_print(struct trace_iterator *iter, int flags,
+					 struct trace_event *event)
 {
 	return trace_ctxwake_print(iter, "==>");
 }
 
 static enum print_line_t trace_wake_print(struct trace_iterator *iter,
-					  int flags)
+					  int flags, struct trace_event *event)
 {
 	return trace_ctxwake_print(iter, "  +");
 }
@@ -950,12 +963,14 @@ static int trace_ctxwake_raw(struct trace_iterator *iter, char S)
 	return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_ctx_raw(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_ctx_raw(struct trace_iterator *iter, int flags,
+				       struct trace_event *event)
 {
 	return trace_ctxwake_raw(iter, 0);
 }
 
-static enum print_line_t trace_wake_raw(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_wake_raw(struct trace_iterator *iter, int flags,
+					struct trace_event *event)
 {
 	return trace_ctxwake_raw(iter, '+');
 }
@@ -984,18 +999,20 @@ static int trace_ctxwake_hex(struct trace_iterator *iter, char S)
 	return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_ctx_hex(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_ctx_hex(struct trace_iterator *iter, int flags,
+				       struct trace_event *event)
 {
 	return trace_ctxwake_hex(iter, 0);
 }
 
-static enum print_line_t trace_wake_hex(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_wake_hex(struct trace_iterator *iter, int flags,
+					struct trace_event *event)
 {
 	return trace_ctxwake_hex(iter, '+');
 }
 
 static enum print_line_t trace_ctxwake_bin(struct trace_iterator *iter,
-					   int flags)
+					   int flags, struct trace_event *event)
 {
 	struct ctx_switch_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -1012,25 +1029,33 @@ static enum print_line_t trace_ctxwake_bin(struct trace_iterator *iter,
 	return TRACE_TYPE_HANDLED;
 }
 
-static struct trace_event trace_ctx_event = {
-	.type		= TRACE_CTX,
+static struct trace_event_functions trace_ctx_funcs = {
 	.trace		= trace_ctx_print,
 	.raw		= trace_ctx_raw,
 	.hex		= trace_ctx_hex,
 	.binary		= trace_ctxwake_bin,
 };
 
-static struct trace_event trace_wake_event = {
-	.type		= TRACE_WAKE,
+static struct trace_event trace_ctx_event = {
+	.type		= TRACE_CTX,
+	.funcs		= &trace_ctx_funcs,
+};
+
+static struct trace_event_functions trace_wake_funcs = {
 	.trace		= trace_wake_print,
 	.raw		= trace_wake_raw,
 	.hex		= trace_wake_hex,
 	.binary		= trace_ctxwake_bin,
 };
 
+static struct trace_event trace_wake_event = {
+	.type		= TRACE_WAKE,
+	.funcs		= &trace_wake_funcs,
+};
+
 /* TRACE_SPECIAL */
 static enum print_line_t trace_special_print(struct trace_iterator *iter,
-					     int flags)
+					     int flags, struct trace_event *event)
 {
 	struct special_entry *field;
 
@@ -1046,7 +1071,7 @@ static enum print_line_t trace_special_print(struct trace_iterator *iter,
 }
 
 static enum print_line_t trace_special_hex(struct trace_iterator *iter,
-					   int flags)
+					   int flags, struct trace_event *event)
 {
 	struct special_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -1061,7 +1086,7 @@ static enum print_line_t trace_special_hex(struct trace_iterator *iter,
 }
 
 static enum print_line_t trace_special_bin(struct trace_iterator *iter,
-					   int flags)
+					   int flags, struct trace_event *event)
 {
 	struct special_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -1075,18 +1100,22 @@ static enum print_line_t trace_special_bin(struct trace_iterator *iter,
 	return TRACE_TYPE_HANDLED;
 }
 
-static struct trace_event trace_special_event = {
-	.type		= TRACE_SPECIAL,
+static struct trace_event_functions trace_special_funcs = {
 	.trace		= trace_special_print,
 	.raw		= trace_special_print,
 	.hex		= trace_special_hex,
 	.binary		= trace_special_bin,
 };
 
+static struct trace_event trace_special_event = {
+	.type		= TRACE_SPECIAL,
+	.funcs		= &trace_special_funcs,
+};
+
 /* TRACE_STACK */
 
 static enum print_line_t trace_stack_print(struct trace_iterator *iter,
-					   int flags)
+					   int flags, struct trace_event *event)
 {
 	struct stack_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -1114,17 +1143,21 @@ static enum print_line_t trace_stack_print(struct trace_iterator *iter,
 	return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static struct trace_event trace_stack_event = {
-	.type		= TRACE_STACK,
+static struct trace_event_functions trace_stack_funcs = {
 	.trace		= trace_stack_print,
 	.raw		= trace_special_print,
 	.hex		= trace_special_hex,
 	.binary		= trace_special_bin,
 };
 
+static struct trace_event trace_stack_event = {
+	.type		= TRACE_STACK,
+	.funcs		= &trace_stack_funcs,
+};
+
 /* TRACE_USER_STACK */
 static enum print_line_t trace_user_stack_print(struct trace_iterator *iter,
-						int flags)
+						int flags, struct trace_event *event)
 {
 	struct userstack_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -1143,17 +1176,22 @@ static enum print_line_t trace_user_stack_print(struct trace_iterator *iter,
 	return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static struct trace_event trace_user_stack_event = {
-	.type		= TRACE_USER_STACK,
+static struct trace_event_functions trace_user_stack_funcs = {
 	.trace		= trace_user_stack_print,
 	.raw		= trace_special_print,
 	.hex		= trace_special_hex,
 	.binary		= trace_special_bin,
 };
 
+static struct trace_event trace_user_stack_event = {
+	.type		= TRACE_USER_STACK,
+	.funcs		= &trace_user_stack_funcs,
+};
+
 /* TRACE_BPRINT */
 static enum print_line_t
-trace_bprint_print(struct trace_iterator *iter, int flags)
+trace_bprint_print(struct trace_iterator *iter, int flags,
+		   struct trace_event *event)
 {
 	struct trace_entry *entry = iter->ent;
 	struct trace_seq *s = &iter->seq;
@@ -1178,7 +1216,8 @@ trace_bprint_print(struct trace_iterator *iter, int flags)
 
 
 static enum print_line_t
-trace_bprint_raw(struct trace_iterator *iter, int flags)
+trace_bprint_raw(struct trace_iterator *iter, int flags,
+		 struct trace_event *event)
 {
 	struct bprint_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -1197,16 +1236,19 @@ trace_bprint_raw(struct trace_iterator *iter, int flags)
 	return TRACE_TYPE_PARTIAL_LINE;
 }
 
-
-static struct trace_event trace_bprint_event = {
-	.type		= TRACE_BPRINT,
+static struct trace_event_functions trace_bprint_funcs = {
 	.trace		= trace_bprint_print,
 	.raw		= trace_bprint_raw,
 };
 
+static struct trace_event trace_bprint_event = {
+	.type		= TRACE_BPRINT,
+	.funcs		= &trace_bprint_funcs,
+};
+
 /* TRACE_PRINT */
 static enum print_line_t trace_print_print(struct trace_iterator *iter,
-					   int flags)
+					   int flags, struct trace_event *event)
 {
 	struct print_entry *field;
 	struct trace_seq *s = &iter->seq;
@@ -1225,7 +1267,8 @@ static enum print_line_t trace_print_print(struct trace_iterator *iter,
 	return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags,
+					 struct trace_event *event)
 {
 	struct print_entry *field;
 
@@ -1240,12 +1283,16 @@ static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags)
 	return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static struct trace_event trace_print_event = {
-	.type	 	= TRACE_PRINT,
+static struct trace_event_functions trace_print_funcs = {
 	.trace		= trace_print_print,
 	.raw		= trace_print_raw,
 };
 
+static struct trace_event trace_print_event = {
+	.type	 	= TRACE_PRINT,
+	.funcs		= &trace_print_funcs,
+};
+
 
 static struct trace_event *events[] __initdata = {
 	&trace_fn_event,
diff --git a/kernel/trace/trace_output.h b/kernel/trace/trace_output.h
index 9d91c72ba38..c038eba0492 100644
--- a/kernel/trace/trace_output.h
+++ b/kernel/trace/trace_output.h
@@ -25,7 +25,7 @@ extern void trace_event_read_unlock(void);
 extern struct trace_event *ftrace_find_event(int type);
 
 extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
-					 int flags);
+					 int flags, struct trace_event *event);
 extern int
 trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
 
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 1c1b9bf3ccc..3751c81998c 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -93,7 +93,8 @@ static struct syscall_metadata *syscall_nr_to_meta(int nr)
 }
 
 enum print_line_t
-print_syscall_enter(struct trace_iterator *iter, int flags)
+print_syscall_enter(struct trace_iterator *iter, int flags,
+		    struct trace_event *event)
 {
 	struct trace_seq *s = &iter->seq;
 	struct trace_entry *ent = iter->ent;
@@ -145,7 +146,8 @@ end:
 }
 
 enum print_line_t
-print_syscall_exit(struct trace_iterator *iter, int flags)
+print_syscall_exit(struct trace_iterator *iter, int flags,
+		   struct trace_event *event)
 {
 	struct trace_seq *s = &iter->seq;
 	struct trace_entry *ent = iter->ent;

From 80decc70afc57c87eee9d6b836aec2ecacba3457 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 23 Apr 2010 10:00:22 -0400
Subject: [PATCH 1433/3638] tracing: Move print functions into event class

Currently, every event has its own trace_event structure. This is
fine since the structure is needed anyway. But the print function
structure (trace_event_functions) is now separate. Since the output
of the trace event is done by the class (with the exception of events
defined by DEFINE_EVENT_PRINT), it makes sense to have the class
define the print functions that all events in the class can use.

This makes a bigger deal with the syscall events since all syscall events
use the same class. The savings here is another 30K.

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4900382	1048964	 861512	6810858	 67ecea	vmlinux.init
4900446	1049028	 861512	6810986	 67ed6a	vmlinux.preprint
4895024	1023812	 861512	6780348	 6775bc	vmlinux.print

To accomplish this, and to let the class know what event is being
printed, the event structure is embedded in the ftrace_event_call
structure. This should not be an issues since the event structure
was created for each event anyway.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h  |  2 +-
 include/linux/syscalls.h      | 18 ++++----------
 include/trace/ftrace.h        | 45 +++++++++++++++--------------------
 kernel/trace/trace_events.c   |  6 ++---
 kernel/trace/trace_kprobe.c   | 14 +++++------
 kernel/trace/trace_syscalls.c |  8 +++++++
 6 files changed, 41 insertions(+), 52 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 4f77932b098..b1a007d6e8f 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -148,7 +148,7 @@ struct ftrace_event_call {
 	struct ftrace_event_class *class;
 	char			*name;
 	struct dentry		*dir;
-	struct trace_event	*event;
+	struct trace_event	event;
 	int			enabled;
 	int			id;
 	const char		*print_fmt;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index f7256770a20..a1a86a53bc7 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -120,24 +120,20 @@ struct perf_event_attr;
 
 extern struct ftrace_event_class event_class_syscall_enter;
 extern struct ftrace_event_class event_class_syscall_exit;
+extern struct trace_event_functions enter_syscall_print_funcs;
+extern struct trace_event_functions exit_syscall_print_funcs;
 
 #define SYSCALL_TRACE_ENTER_EVENT(sname)				\
 	static struct syscall_metadata __syscall_meta_##sname;		\
 	static struct ftrace_event_call					\
 	__attribute__((__aligned__(4))) event_enter_##sname;		\
-	static struct trace_event_functions enter_syscall_print_funcs_##sname = { \
-		.trace                  = print_syscall_enter,		\
-	};								\
-	static struct trace_event enter_syscall_print_##sname = {	\
-		.funcs                  = &enter_syscall_print_funcs_##sname, \
-	};								\
 	static struct ftrace_event_call __used				\
 	  __attribute__((__aligned__(4)))				\
 	  __attribute__((section("_ftrace_events")))			\
 	  event_enter_##sname = {					\
 		.name                   = "sys_enter"#sname,		\
 		.class			= &event_class_syscall_enter,	\
-		.event                  = &enter_syscall_print_##sname,	\
+		.event.funcs            = &enter_syscall_print_funcs,	\
 		.data			= (void *)&__syscall_meta_##sname,\
 	}
 
@@ -145,19 +141,13 @@ extern struct ftrace_event_class event_class_syscall_exit;
 	static struct syscall_metadata __syscall_meta_##sname;		\
 	static struct ftrace_event_call					\
 	__attribute__((__aligned__(4))) event_exit_##sname;		\
-	static struct trace_event_functions exit_syscall_print_funcs_##sname = { \
-		.trace                  = print_syscall_exit,		\
-	};								\
-	static struct trace_event exit_syscall_print_##sname = {	\
-		.funcs                  = &exit_syscall_print_funcs_##sname, \
-	};								\
 	static struct ftrace_event_call __used				\
 	  __attribute__((__aligned__(4)))				\
 	  __attribute__((section("_ftrace_events")))			\
 	  event_exit_##sname = {					\
 		.name                   = "sys_exit"#sname,		\
 		.class			= &event_class_syscall_exit,	\
-		.event                  = &exit_syscall_print_##sname,	\
+		.event.funcs		= &exit_syscall_print_funcs,	\
 		.data			= (void *)&__syscall_meta_##sname,\
 	}
 
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 51ed7f3568a..824141d5cf0 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -206,18 +206,22 @@
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 static notrace enum print_line_t					\
-ftrace_raw_output_id_##call(int event_id, const char *name,		\
-			    struct trace_iterator *iter, int flags)	\
+ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
+			 struct trace_event *trace_event)		\
 {									\
+	struct ftrace_event_call *event;				\
 	struct trace_seq *s = &iter->seq;				\
 	struct ftrace_raw_##call *field;				\
 	struct trace_entry *entry;					\
 	struct trace_seq *p;						\
 	int ret;							\
 									\
+	event = container_of(trace_event, struct ftrace_event_call,	\
+			     event);					\
+									\
 	entry = iter->ent;						\
 									\
-	if (entry->type != event_id) {					\
+	if (entry->type != event->id) {					\
 		WARN_ON_ONCE(1);					\
 		return TRACE_TYPE_UNHANDLED;				\
 	}								\
@@ -226,7 +230,7 @@ ftrace_raw_output_id_##call(int event_id, const char *name,		\
 									\
 	p = &get_cpu_var(ftrace_event_seq);				\
 	trace_seq_init(p);						\
-	ret = trace_seq_printf(s, "%s: ", name);			\
+	ret = trace_seq_printf(s, "%s: ", event->name);			\
 	if (ret)							\
 		ret = trace_seq_printf(s, print);			\
 	put_cpu();							\
@@ -234,17 +238,10 @@ ftrace_raw_output_id_##call(int event_id, const char *name,		\
 		return TRACE_TYPE_PARTIAL_LINE;				\
 									\
 	return TRACE_TYPE_HANDLED;					\
-}
-
-#undef DEFINE_EVENT
-#define DEFINE_EVENT(template, name, proto, args)			\
-static notrace enum print_line_t					\
-ftrace_raw_output_##name(struct trace_iterator *iter, int flags,	\
-			 struct trace_event *event)			\
-{									\
-	return ftrace_raw_output_id_##template(event_##name.id,		\
-					       #name, iter, flags);	\
-}
+}									\
+static struct trace_event_functions ftrace_event_type_funcs_##call = {	\
+	.trace			= ftrace_raw_output_##call,		\
+};
 
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
@@ -277,7 +274,10 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
 		return TRACE_TYPE_PARTIAL_LINE;				\
 									\
 	return TRACE_TYPE_HANDLED;					\
-}
+}									\
+static struct trace_event_functions ftrace_event_type_funcs_##call = {	\
+	.trace			= ftrace_raw_output_##call,		\
+};
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
@@ -533,20 +533,13 @@ ftrace_raw_event_##call(void *__data, proto)				\
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)			\
-static struct trace_event_functions ftrace_event_type_funcs_##call = {	\
-	.trace			= ftrace_raw_output_##call,		\
-};									\
-static struct trace_event ftrace_event_type_##call = {			\
-	.funcs			= &ftrace_event_type_funcs_##call,	\
-};									\
 static inline void ftrace_test_probe_##call(void)			\
 {									\
 	check_trace_callback_type_##call(ftrace_raw_event_##template);	\
 }
 
 #undef DEFINE_EVENT_PRINT
-#define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
-	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print)
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
@@ -582,7 +575,7 @@ __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
 	.class			= &event_class_##template,		\
-	.event			= &ftrace_event_type_##call,		\
+	.event.funcs		= &ftrace_event_type_funcs_##template,	\
 	.print_fmt		= print_fmt_##template,			\
 };
 
@@ -596,7 +589,7 @@ __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
 	.class			= &event_class_##template,		\
-	.event			= &ftrace_event_type_##call,		\
+	.event.funcs		= &ftrace_event_type_funcs_##call,	\
 	.print_fmt		= print_fmt_##call,			\
 }
 
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 8e94255a45e..aafe5bff8f5 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -122,7 +122,7 @@ int trace_event_raw_init(struct ftrace_event_call *call)
 {
 	int id;
 
-	id = register_ftrace_event(call->event);
+	id = register_ftrace_event(&call->event);
 	if (!id)
 		return -ENODEV;
 	call->id = id;
@@ -1073,8 +1073,8 @@ static void remove_subsystem_dir(const char *name)
 static void __trace_remove_event_call(struct ftrace_event_call *call)
 {
 	ftrace_event_enable_disable(call, 0);
-	if (call->event)
-		__unregister_ftrace_event(call->event);
+	if (call->event.funcs)
+		__unregister_ftrace_event(&call->event);
 	debugfs_remove_recursive(call->dir);
 	list_del(&call->list);
 	trace_destroy_fields(call);
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index b989ae229a2..d8061c3e02c 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -204,7 +204,6 @@ struct trace_probe {
 	const char		*symbol;	/* symbol name */
 	struct ftrace_event_class	class;
 	struct ftrace_event_call	call;
-	struct trace_event		event;
 	unsigned int		nr_args;
 	struct probe_arg	args[];
 };
@@ -1020,7 +1019,7 @@ print_kprobe_event(struct trace_iterator *iter, int flags,
 	int i;
 
 	field = (struct kprobe_trace_entry *)iter->ent;
-	tp = container_of(event, struct trace_probe, event);
+	tp = container_of(event, struct trace_probe, call.event);
 
 	if (!trace_seq_printf(s, "%s: (", tp->call.name))
 		goto partial;
@@ -1054,7 +1053,7 @@ print_kretprobe_event(struct trace_iterator *iter, int flags,
 	int i;
 
 	field = (struct kretprobe_trace_entry *)iter->ent;
-	tp = container_of(event, struct trace_probe, event);
+	tp = container_of(event, struct trace_probe, call.event);
 
 	if (!trace_seq_printf(s, "%s: (", tp->call.name))
 		goto partial;
@@ -1364,20 +1363,19 @@ static int register_probe_event(struct trace_probe *tp)
 
 	/* Initialize ftrace_event_call */
 	if (probe_is_return(tp)) {
-		tp->event.funcs = &kretprobe_funcs;
 		INIT_LIST_HEAD(&call->class->fields);
+		call->event.funcs = &kretprobe_funcs;
 		call->class->raw_init = probe_event_raw_init;
 		call->class->define_fields = kretprobe_event_define_fields;
 	} else {
 		INIT_LIST_HEAD(&call->class->fields);
-		tp->event.funcs = &kprobe_funcs;
+		call->event.funcs = &kprobe_funcs;
 		call->class->raw_init = probe_event_raw_init;
 		call->class->define_fields = kprobe_event_define_fields;
 	}
 	if (set_print_fmt(tp) < 0)
 		return -ENOMEM;
-	call->event = &tp->event;
-	call->id = register_ftrace_event(&tp->event);
+	call->id = register_ftrace_event(&call->event);
 	if (!call->id) {
 		kfree(call->print_fmt);
 		return -ENODEV;
@@ -1389,7 +1387,7 @@ static int register_probe_event(struct trace_probe *tp)
 	if (ret) {
 		pr_info("Failed to register kprobe event: %s\n", call->name);
 		kfree(call->print_fmt);
-		unregister_ftrace_event(&tp->event);
+		unregister_ftrace_event(&call->event);
 	}
 	return ret;
 }
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 3751c81998c..7c7cfe95a85 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -39,6 +39,14 @@ syscall_get_exit_fields(struct ftrace_event_call *call)
 	return &entry->exit_fields;
 }
 
+struct trace_event_functions enter_syscall_print_funcs = {
+	.trace                  = print_syscall_enter,
+};
+
+struct trace_event_functions exit_syscall_print_funcs = {
+	.trace                  = print_syscall_exit,
+};
+
 struct ftrace_event_class event_class_syscall_enter = {
 	.system			= "syscalls",
 	.reg			= syscall_enter_register,

From 32c0edaeaad74a7883e736ae0f3798784cfc2a80 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 23 Apr 2010 10:38:03 -0400
Subject: [PATCH 1434/3638] tracing: Remove duplicate id information in event
 structure

Now that the trace_event structure is embedded in the ftrace_event_call
structure, there is no need for the ftrace_event_call id field.
The id field is the same as the trace_event type field.

Removing the id and re-arranging the structure brings down the tracepoint
footprint by another 5K.

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4895024	1023812	 861512	6780348	 6775bc	vmlinux.print
4894944	1018052	 861512	6774508	 675eec	vmlinux.id

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h       |  5 ++---
 include/trace/ftrace.h             | 12 ++++++------
 kernel/trace/trace_event_perf.c    |  4 ++--
 kernel/trace/trace_events.c        |  7 +++----
 kernel/trace/trace_events_filter.c |  2 +-
 kernel/trace/trace_export.c        |  4 ++--
 kernel/trace/trace_kprobe.c        | 18 ++++++++++--------
 kernel/trace/trace_syscalls.c      | 14 ++++++++------
 8 files changed, 34 insertions(+), 32 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index b1a007d6e8f..0be02852763 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -149,14 +149,13 @@ struct ftrace_event_call {
 	char			*name;
 	struct dentry		*dir;
 	struct trace_event	event;
-	int			enabled;
-	int			id;
 	const char		*print_fmt;
-	int			filter_active;
 	struct event_filter	*filter;
 	void			*mod;
 	void			*data;
 
+	int			enabled;
+	int			filter_active;
 	int			perf_refcount;
 };
 
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 824141d5cf0..4866c109fa9 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -150,7 +150,7 @@
  *
  *	entry = iter->ent;
  *
- *	if (entry->type != event_<call>.id) {
+ *	if (entry->type != event_<call>->event.type) {
  *		WARN_ON_ONCE(1);
  *		return TRACE_TYPE_UNHANDLED;
  *	}
@@ -221,7 +221,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
 									\
 	entry = iter->ent;						\
 									\
-	if (entry->type != event->id) {					\
+	if (entry->type != event->event.type) {				\
 		WARN_ON_ONCE(1);					\
 		return TRACE_TYPE_UNHANDLED;				\
 	}								\
@@ -257,7 +257,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
 									\
 	entry = iter->ent;						\
 									\
-	if (entry->type != event_##call.id) {				\
+	if (entry->type != event_##call.event.type) {			\
 		WARN_ON_ONCE(1);					\
 		return TRACE_TYPE_UNHANDLED;				\
 	}								\
@@ -409,7 +409,7 @@ static inline notrace int ftrace_get_offsets_##call(			\
  *	__data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
  *
  *	event = trace_current_buffer_lock_reserve(&buffer,
- *				  event_<call>.id,
+ *				  event_<call>->event.type,
  *				  sizeof(*entry) + __data_size,
  *				  irq_flags, pc);
  *	if (!event)
@@ -510,7 +510,7 @@ ftrace_raw_event_##call(void *__data, proto)				\
 	__data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
 									\
 	event = trace_current_buffer_lock_reserve(&buffer,		\
-				 event_call->id,			\
+				 event_call->event.type,		\
 				 sizeof(*entry) + __data_size,		\
 				 irq_flags, pc);			\
 	if (!event)							\
@@ -711,7 +711,7 @@ perf_trace_##call(void *__data, proto)					\
 		      "profile buffer not large enough"))		\
 		return;							\
 	entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare(	\
-		__entry_size, event_call->id, &rctx, &irq_flags);	\
+		__entry_size, event_call->event.type, &rctx, &irq_flags); \
 	if (!entry)							\
 		return;							\
 	tstruct								\
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 196fe9d2677..0a47e8d6b49 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -80,7 +80,7 @@ int perf_trace_enable(int event_id)
 
 	mutex_lock(&event_mutex);
 	list_for_each_entry(event, &ftrace_events, list) {
-		if (event->id == event_id &&
+		if (event->event.type == event_id &&
 		    event->class && event->class->perf_probe &&
 		    try_module_get(event->mod)) {
 			ret = perf_trace_event_enable(event);
@@ -128,7 +128,7 @@ void perf_trace_disable(int event_id)
 
 	mutex_lock(&event_mutex);
 	list_for_each_entry(event, &ftrace_events, list) {
-		if (event->id == event_id) {
+		if (event->event.type == event_id) {
 			perf_trace_event_disable(event);
 			module_put(event->mod);
 			break;
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index aafe5bff8f5..8daaca5475b 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -125,7 +125,6 @@ int trace_event_raw_init(struct ftrace_event_call *call)
 	id = register_ftrace_event(&call->event);
 	if (!id)
 		return -ENODEV;
-	call->id = id;
 
 	return 0;
 }
@@ -567,7 +566,7 @@ event_format_read(struct file *filp, char __user *ubuf, size_t cnt,
 	trace_seq_init(s);
 
 	trace_seq_printf(s, "name: %s\n", call->name);
-	trace_seq_printf(s, "ID: %d\n", call->id);
+	trace_seq_printf(s, "ID: %d\n", call->event.type);
 	trace_seq_printf(s, "format:\n");
 
 	head = trace_get_fields(call);
@@ -641,7 +640,7 @@ event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)
 		return -ENOMEM;
 
 	trace_seq_init(s);
-	trace_seq_printf(s, "%d\n", call->id);
+	trace_seq_printf(s, "%d\n", call->event.type);
 
 	r = simple_read_from_buffer(ubuf, cnt, ppos,
 				    s->buffer, s->len);
@@ -969,7 +968,7 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
 				  enable);
 
 #ifdef CONFIG_PERF_EVENTS
-	if (call->id && (call->class->perf_probe || call->class->reg))
+	if (call->event.type && (call->class->perf_probe || call->class->reg))
 		trace_create_file("id", 0444, call->dir, call,
 		 		  id);
 #endif
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 961f99b74bd..2702d6bbf1a 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1395,7 +1395,7 @@ int ftrace_profile_set_filter(struct perf_event *event, int event_id,
 	mutex_lock(&event_mutex);
 
 	list_for_each_entry(call, &ftrace_events, list) {
-		if (call->id == event_id)
+		if (call->event.type == event_id)
 			break;
 	}
 
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index e878d06c0ac..8536e2a6596 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -153,7 +153,7 @@ static int ftrace_raw_init_event(struct ftrace_event_call *call)
 #define F_printk(fmt, args...) #fmt ", "  __stringify(args)
 
 #undef FTRACE_ENTRY
-#define FTRACE_ENTRY(call, struct_name, type, tstruct, print)		\
+#define FTRACE_ENTRY(call, struct_name, etype, tstruct, print)		\
 									\
 struct ftrace_event_class event_class_ftrace_##call = {			\
 	.system			= __stringify(TRACE_SYSTEM),		\
@@ -165,7 +165,7 @@ struct ftrace_event_call __used						\
 __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.name			= #call,				\
-	.id			= type,					\
+	.event.type		= etype,				\
 	.class			= &event_class_ftrace_##call,		\
 	.print_fmt		= print,				\
 };									\
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index d8061c3e02c..934078bca3f 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -960,8 +960,8 @@ static __kprobes void kprobe_trace_func(struct kprobe *kp, struct pt_regs *regs)
 
 	size = SIZEOF_KPROBE_TRACE_ENTRY(tp->nr_args);
 
-	event = trace_current_buffer_lock_reserve(&buffer, call->id, size,
-						  irq_flags, pc);
+	event = trace_current_buffer_lock_reserve(&buffer, call->event.type,
+						  size, irq_flags, pc);
 	if (!event)
 		return;
 
@@ -992,8 +992,8 @@ static __kprobes void kretprobe_trace_func(struct kretprobe_instance *ri,
 
 	size = SIZEOF_KRETPROBE_TRACE_ENTRY(tp->nr_args);
 
-	event = trace_current_buffer_lock_reserve(&buffer, call->id, size,
-						  irq_flags, pc);
+	event = trace_current_buffer_lock_reserve(&buffer, call->event.type,
+						  size, irq_flags, pc);
 	if (!event)
 		return;
 
@@ -1228,7 +1228,8 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
 		     "profile buffer not large enough"))
 		return;
 
-	entry = perf_trace_buf_prepare(size, call->id, &rctx, &irq_flags);
+	entry = perf_trace_buf_prepare(size, call->event.type,
+				       &rctx, &irq_flags);
 	if (!entry)
 		return;
 
@@ -1258,7 +1259,8 @@ static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
 		     "profile buffer not large enough"))
 		return;
 
-	entry = perf_trace_buf_prepare(size, call->id, &rctx, &irq_flags);
+	entry = perf_trace_buf_prepare(size, call->event.type,
+				       &rctx, &irq_flags);
 	if (!entry)
 		return;
 
@@ -1375,8 +1377,8 @@ static int register_probe_event(struct trace_probe *tp)
 	}
 	if (set_print_fmt(tp) < 0)
 		return -ENOMEM;
-	call->id = register_ftrace_event(&call->event);
-	if (!call->id) {
+	ret = register_ftrace_event(&call->event);
+	if (!ret) {
 		kfree(call->print_fmt);
 		return -ENODEV;
 	}
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 7c7cfe95a85..9d358301ae3 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -117,7 +117,7 @@ print_syscall_enter(struct trace_iterator *iter, int flags,
 	if (!entry)
 		goto end;
 
-	if (entry->enter_event->id != ent->type) {
+	if (entry->enter_event->event.type != ent->type) {
 		WARN_ON_ONCE(1);
 		goto end;
 	}
@@ -173,7 +173,7 @@ print_syscall_exit(struct trace_iterator *iter, int flags,
 		return TRACE_TYPE_HANDLED;
 	}
 
-	if (entry->exit_event->id != ent->type) {
+	if (entry->exit_event->event.type != ent->type) {
 		WARN_ON_ONCE(1);
 		return TRACE_TYPE_UNHANDLED;
 	}
@@ -315,7 +315,7 @@ void ftrace_syscall_enter(void *ignore, struct pt_regs *regs, long id)
 	size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;
 
 	event = trace_current_buffer_lock_reserve(&buffer,
-			sys_data->enter_event->id, size, 0, 0);
+			sys_data->enter_event->event.type, size, 0, 0);
 	if (!event)
 		return;
 
@@ -347,7 +347,7 @@ void ftrace_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
 		return;
 
 	event = trace_current_buffer_lock_reserve(&buffer,
-			sys_data->exit_event->id, sizeof(*entry), 0, 0);
+			sys_data->exit_event->event.type, sizeof(*entry), 0, 0);
 	if (!event)
 		return;
 
@@ -511,7 +511,8 @@ static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id)
 		return;
 
 	rec = (struct syscall_trace_enter *)perf_trace_buf_prepare(size,
-				sys_data->enter_event->id, &rctx, &flags);
+				sys_data->enter_event->event.type,
+				&rctx, &flags);
 	if (!rec)
 		return;
 
@@ -586,7 +587,8 @@ static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
 		return;
 
 	rec = (struct syscall_trace_exit *)perf_trace_buf_prepare(size,
-				sys_data->exit_event->id, &rctx, &flags);
+				sys_data->exit_event->event.type,
+				&rctx, &flags);
 	if (!rec)
 		return;
 

From 553552ce1796c32cf4e3d4f45cd5b537de91dd1d Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 23 Apr 2010 11:12:36 -0400
Subject: [PATCH 1435/3638] tracing: Combine event filter_active and enable
 into single flags field

The filter_active and enable both use an int (4 bytes each) to
set a single flag. We can save 4 bytes per event by combining the
two into a single integer.

   text	   data	    bss	    dec	    hex	filename
4913961	1088356	 861512	6863829	 68bbd5	vmlinux.orig
4894944	1018052	 861512	6774508	 675eec	vmlinux.id
4894871	1012292	 861512	6768675	 674823	vmlinux.flags

This gives us another 5K in savings.

The modification of both the enable and filter fields are done
under the event_mutex, so it is still safe to combine the two.

Note: Although Mathieu gave his Acked-by, he would like it documented
 that the reads of flags are not protected by the mutex. The way the
 code works, these reads will not break anything, but will have a
 residual effect. Since this behavior is the same even before this
 patch, describing this situation is left to another patch, as this
 patch does not change the behavior, but just brought it to Mathieu's
 attention.

v2: Updated the event trace self test to for this change.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h       | 21 +++++++++++++++++++--
 kernel/trace/trace.h               |  2 +-
 kernel/trace/trace_events.c        | 16 ++++++++--------
 kernel/trace/trace_events_filter.c | 10 +++++-----
 kernel/trace/trace_kprobe.c        |  2 +-
 5 files changed, 34 insertions(+), 17 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 0be02852763..5ac97a42950 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -143,6 +143,16 @@ struct ftrace_event_class {
 	int			(*raw_init)(struct ftrace_event_call *);
 };
 
+enum {
+	TRACE_EVENT_FL_ENABLED_BIT,
+	TRACE_EVENT_FL_FILTERED_BIT,
+};
+
+enum {
+	TRACE_EVENT_FL_ENABLED	= (1 << TRACE_EVENT_FL_ENABLED_BIT),
+	TRACE_EVENT_FL_FILTERED	= (1 << TRACE_EVENT_FL_FILTERED_BIT),
+};
+
 struct ftrace_event_call {
 	struct list_head	list;
 	struct ftrace_event_class *class;
@@ -154,8 +164,15 @@ struct ftrace_event_call {
 	void			*mod;
 	void			*data;
 
-	int			enabled;
-	int			filter_active;
+	/*
+	 * 32 bit flags:
+	 *   bit 1:		enabled
+	 *   bit 2:		filter_active
+	 *
+	 *  Must hold event_mutex to change.
+	 */
+	unsigned int		flags;
+
 	int			perf_refcount;
 };
 
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index c88c563a59a..63562595f2b 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -802,7 +802,7 @@ filter_check_discard(struct ftrace_event_call *call, void *rec,
 		     struct ring_buffer *buffer,
 		     struct ring_buffer_event *event)
 {
-	if (unlikely(call->filter_active) &&
+	if (unlikely(call->flags & TRACE_EVENT_FL_FILTERED) &&
 	    !filter_match_preds(call->filter, rec)) {
 		ring_buffer_discard_commit(buffer, event);
 		return 1;
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 8daaca5475b..53cffc0b080 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -137,8 +137,8 @@ static int ftrace_event_enable_disable(struct ftrace_event_call *call,
 
 	switch (enable) {
 	case 0:
-		if (call->enabled) {
-			call->enabled = 0;
+		if (call->flags & TRACE_EVENT_FL_ENABLED) {
+			call->flags &= ~TRACE_EVENT_FL_ENABLED;
 			tracing_stop_cmdline_record();
 			if (call->class->reg)
 				call->class->reg(call, TRACE_REG_UNREGISTER);
@@ -149,7 +149,7 @@ static int ftrace_event_enable_disable(struct ftrace_event_call *call,
 		}
 		break;
 	case 1:
-		if (!call->enabled) {
+		if (!(call->flags & TRACE_EVENT_FL_ENABLED)) {
 			tracing_start_cmdline_record();
 			if (call->class->reg)
 				ret = call->class->reg(call, TRACE_REG_REGISTER);
@@ -163,7 +163,7 @@ static int ftrace_event_enable_disable(struct ftrace_event_call *call,
 					"%s\n", call->name);
 				break;
 			}
-			call->enabled = 1;
+			call->flags |= TRACE_EVENT_FL_ENABLED;
 		}
 		break;
 	}
@@ -352,7 +352,7 @@ s_next(struct seq_file *m, void *v, loff_t *pos)
 	(*pos)++;
 
 	list_for_each_entry_continue(call, &ftrace_events, list) {
-		if (call->enabled)
+		if (call->flags & TRACE_EVENT_FL_ENABLED)
 			return call;
 	}
 
@@ -411,7 +411,7 @@ event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 	struct ftrace_event_call *call = filp->private_data;
 	char *buf;
 
-	if (call->enabled)
+	if (call->flags & TRACE_EVENT_FL_ENABLED)
 		buf = "1\n";
 	else
 		buf = "0\n";
@@ -486,7 +486,7 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 		 * or if all events or cleared, or if we have
 		 * a mixture.
 		 */
-		set |= (1 << !!call->enabled);
+		set |= (1 << !!(call->flags & TRACE_EVENT_FL_ENABLED));
 
 		/*
 		 * If we have a mixture, no need to look further.
@@ -1447,7 +1447,7 @@ static __init void event_trace_self_tests(void)
 		 * If an event is already enabled, someone is using
 		 * it and the self test should not be on.
 		 */
-		if (call->enabled) {
+		if (call->flags & TRACE_EVENT_FL_ENABLED) {
 			pr_warning("Enabled event during self test!\n");
 			WARN_ON_ONCE(1);
 			continue;
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 2702d6bbf1a..239ea5d77d6 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -547,7 +547,7 @@ static void filter_disable_preds(struct ftrace_event_call *call)
 	struct event_filter *filter = call->filter;
 	int i;
 
-	call->filter_active = 0;
+	call->flags &= ~TRACE_EVENT_FL_FILTERED;
 	filter->n_preds = 0;
 
 	for (i = 0; i < MAX_FILTER_PRED; i++)
@@ -574,7 +574,7 @@ void destroy_preds(struct ftrace_event_call *call)
 {
 	__free_preds(call->filter);
 	call->filter = NULL;
-	call->filter_active = 0;
+	call->flags &= ~TRACE_EVENT_FL_FILTERED;
 }
 
 static struct event_filter *__alloc_preds(void)
@@ -613,7 +613,7 @@ static int init_preds(struct ftrace_event_call *call)
 	if (call->filter)
 		return 0;
 
-	call->filter_active = 0;
+	call->flags &= ~TRACE_EVENT_FL_FILTERED;
 	call->filter = __alloc_preds();
 	if (IS_ERR(call->filter))
 		return PTR_ERR(call->filter);
@@ -1268,7 +1268,7 @@ static int replace_system_preds(struct event_subsystem *system,
 		if (err)
 			filter_disable_preds(call);
 		else {
-			call->filter_active = 1;
+			call->flags |= TRACE_EVENT_FL_FILTERED;
 			replace_filter_string(filter, filter_string);
 		}
 		fail = false;
@@ -1317,7 +1317,7 @@ int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
 	if (err)
 		append_filter_err(ps, call->filter);
 	else
-		call->filter_active = 1;
+		call->flags |= TRACE_EVENT_FL_FILTERED;
 out:
 	filter_opstack_clear(ps);
 	postfix_clear(ps);
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 934078bca3f..0e3ded64cdb 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1382,7 +1382,7 @@ static int register_probe_event(struct trace_probe *tp)
 		kfree(call->print_fmt);
 		return -ENODEV;
 	}
-	call->enabled = 0;
+	call->flags = 0;
 	call->class->reg = kprobe_register;
 	call->data = tp;
 	ret = trace_add_event_call(call);

From e1f7992e015ae1373d66c8068d0a45e4111a0aed Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Mon, 10 May 2010 11:23:00 +0800
Subject: [PATCH 1436/3638] tracing: Fix function declarations if
 !CONFIG_STACKTRACE

ftrace_trace_stack() and frace_trace_userstacke() take a
struct ring_buffer argument, not struct trace_array. Commit
e77405ad("tracing: pass around ring buffer instead of tracer")
made this change.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4BE77C14.5010806@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/trace.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 63562595f2b..40cd1718fb1 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -419,12 +419,12 @@ void ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags,
 void __trace_stack(struct trace_array *tr, unsigned long flags, int skip,
 		   int pc);
 #else
-static inline void ftrace_trace_stack(struct trace_array *tr,
+static inline void ftrace_trace_stack(struct ring_buffer *buffer,
 				      unsigned long flags, int skip, int pc)
 {
 }
 
-static inline void ftrace_trace_userstack(struct trace_array *tr,
+static inline void ftrace_trace_userstack(struct ring_buffer *buffer,
 					  unsigned long flags, int pc)
 {
 }

From 06e719d80ff900973cddffa84fc2d7620c69a236 Mon Sep 17 00:00:00 2001
From: "K. Y. Srinivasan" <ksrinivasan@novell.com>
Date: Fri, 7 May 2010 17:52:17 -0600
Subject: [PATCH 1437/3638] Staging: hv: auto-load MSFT PV NIC driver

Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/netvsc_drv.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 30c946c133c..1bda2407b49 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -30,6 +30,8 @@
 #include <linux/skbuff.h>
 #include <linux/in.h>
 #include <linux/slab.h>
+#include <linux/dmi.h>
+#include <linux/pci.h>
 #include <net/arp.h>
 #include <net/route.h>
 #include <net/sock.h>
@@ -551,6 +553,20 @@ static int netvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
 	return ret;
 }
 
+static const struct dmi_system_id __initconst
+hv_netvsc_dmi_table[] __maybe_unused  = {
+	{
+		.ident = "Hyper-V",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
+			DMI_MATCH(DMI_BOARD_NAME, "Virtual Machine"),
+		},
+	},
+	{ },
+};
+MODULE_DEVICE_TABLE(dmi, hv_netvsc_dmi_table);
+
 static int __init netvsc_init(void)
 {
 	int ret;
@@ -558,6 +574,9 @@ static int __init netvsc_init(void)
 	DPRINT_ENTER(NETVSC_DRV);
 	DPRINT_INFO(NETVSC_DRV, "Netvsc initializing....");
 
+	if (!dmi_check_system(hv_netvsc_dmi_table))
+		return -ENODEV;
+
 	ret = netvsc_drv_init(NetVscInitialize);
 
 	DPRINT_EXIT(NETVSC_DRV);
@@ -572,6 +591,13 @@ static void __exit netvsc_exit(void)
 	DPRINT_EXIT(NETVSC_DRV);
 }
 
+static const struct pci_device_id __initconst
+hv_netvsc_pci_table[] __maybe_unused = {
+	{ PCI_DEVICE(0x1414, 0x5353) }, /* VGA compatible controller */
+	{ 0 }
+};
+MODULE_DEVICE_TABLE(pci, hv_netvsc_pci_table);
+
 MODULE_LICENSE("GPL");
 MODULE_VERSION(HV_DRV_VERSION);
 MODULE_DESCRIPTION("Microsoft Hyper-V network driver");

From 83d4b7eb5f319d8c6d8586586cb1d9c0d1a80532 Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Date: Tue, 11 May 2010 16:33:01 -0700
Subject: [PATCH 1438/3638] staging: batman: remove all rcu head
 initializations

Remove all rcu head inits. We don't care about the RCU head state before
passing it to call_rcu() anyway. Only leave the "on_stack" variants so
debugobjects can keep track of objects on stack.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Cc: Marek Lindner <lindner_marek@yahoo.de>
Cc: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/batman-adv/hard-interface.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c
index 0d1d1011dd4..7a582e80de1 100644
--- a/drivers/staging/batman-adv/hard-interface.c
+++ b/drivers/staging/batman-adv/hard-interface.c
@@ -340,7 +340,6 @@ static struct batman_if *hardif_add_interface(struct net_device *net_dev)
 	batman_if->if_num = -1;
 	batman_if->net_dev = net_dev;
 	batman_if->if_status = IF_NOT_IN_USE;
-	INIT_RCU_HEAD(&batman_if->rcu);
 	INIT_LIST_HEAD(&batman_if->list);
 
 	check_known_mac_addr(batman_if->net_dev->dev_addr);

From 935e99fb0739aa64d0dd7e8a0bc82faec5d8f830 Mon Sep 17 00:00:00 2001
From: Anand Gadiyar <gadiyar@ti.com>
Date: Wed, 12 May 2010 13:03:13 +0530
Subject: [PATCH 1439/3638] staging: trivial: fix typo "seperate"

s/seperate/separate

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Cc: Jiri Kosina <trivial@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/das08.h          | 2 +-
 drivers/staging/dream/camera/msm_vfe8x_proc.c   | 2 +-
 drivers/staging/echo/echo.c                     | 2 +-
 drivers/staging/rt2860/mlme.h                   | 2 +-
 drivers/staging/rtl8192e/ieee80211.h            | 2 +-
 drivers/staging/rtl8192e/ieee80211/ieee80211.h  | 2 +-
 drivers/staging/rtl8192e/r8190_rtl8256.c        | 4 ++--
 drivers/staging/rtl8192e/r8192E_core.c          | 2 +-
 drivers/staging/rtl8192su/ieee80211/ieee80211.h | 2 +-
 drivers/staging/rtl8192su/r8192S_phy.c          | 2 +-
 drivers/staging/rtl8192u/ieee80211.h            | 2 +-
 drivers/staging/rtl8192u/ieee80211/ieee80211.h  | 2 +-
 drivers/staging/wlags49_h2/README.wlags49       | 2 +-
 drivers/staging/wlags49_h2/wl_priv.c            | 2 +-
 drivers/staging/wlags49_h2/wl_wext.c            | 2 +-
 15 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/comedi/drivers/das08.h b/drivers/staging/comedi/drivers/das08.h
index 35d2660cf93..2a30d764ddf 100644
--- a/drivers/staging/comedi/drivers/das08.h
+++ b/drivers/staging/comedi/drivers/das08.h
@@ -62,7 +62,7 @@ struct i8254_struct {
 #define I8254_CTRL 3
 
 struct das08_private_struct {
-	unsigned int do_mux_bits;	/*  bits for do/mux register on boards without seperate do register */
+	unsigned int do_mux_bits;	/*  bits for do/mux register on boards without separate do register */
 	unsigned int do_bits;	/*  bits for do register on boards with register dedicated to digital out only */
 	const unsigned int *pg_gainlist;
 	struct pci_dev *pdev;	/*  struct for pci-das08 */
diff --git a/drivers/staging/dream/camera/msm_vfe8x_proc.c b/drivers/staging/dream/camera/msm_vfe8x_proc.c
index 10aef0e59ba..f80ef967ba8 100644
--- a/drivers/staging/dream/camera/msm_vfe8x_proc.c
+++ b/drivers/staging/dream/camera/msm_vfe8x_proc.c
@@ -3828,7 +3828,7 @@ void vfe_camif_config(struct vfe_cmd_camif_config *in)
 		ctrl->vfeImaskLocal.camifEpoch2Irq = 1;
 	}
 
-	/*  save the content to program CAMIF_CONFIG seperately. */
+	/*  save the content to program CAMIF_CONFIG separately. */
 	ctrl->vfeCamifConfigLocal.camifCfgFromCmd = in->camifConfig;
 
 	/* EFS_Config */
diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index 4cc4f2eb7eb..58c4e907e44 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -603,7 +603,7 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
 }
 EXPORT_SYMBOL_GPL(oslec_update);
 
-/* This function is seperated from the echo canceller is it is usually called
+/* This function is separated from the echo canceller is it is usually called
    as part of the tx process.  See rx HP (DC blocking) filter above, it's
    the same design.
 
diff --git a/drivers/staging/rt2860/mlme.h b/drivers/staging/rt2860/mlme.h
index 11434132f93..99c9362bae8 100644
--- a/drivers/staging/rt2860/mlme.h
+++ b/drivers/staging/rt2860/mlme.h
@@ -322,7 +322,7 @@ struct rt_trigger_eventa {
 	u8 BSSID[6];
 	u8 RegClass;		/* Regulatory Class */
 	u16 Channel;
-	unsigned long CDCounter;	/* Maintain a seperate count down counter for each Event A. */
+	unsigned long CDCounter;	/* Maintain a separate count down counter for each Event A. */
 };
 
 /* 20/40 trigger event table */
diff --git a/drivers/staging/rtl8192e/ieee80211.h b/drivers/staging/rtl8192e/ieee80211.h
index c39249eb54b..e1f03d79d2b 100644
--- a/drivers/staging/rtl8192e/ieee80211.h
+++ b/drivers/staging/rtl8192e/ieee80211.h
@@ -1846,7 +1846,7 @@ struct ieee80211_device {
 	spinlock_t bw_spinlock;
 
 	spinlock_t reorder_spinlock;
-	// for HT operation rate set.  we use this one for HT data rate to seperate different descriptors
+	// for HT operation rate set.  we use this one for HT data rate to separate different descriptors
 	//the way fill this is the same as in the IE
 	u8	Regdot11HTOperationalRateSet[16];		//use RATR format
 	u8	dot11HTOperationalRateSet[16];		//use RATR format
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211.h b/drivers/staging/rtl8192e/ieee80211/ieee80211.h
index 1f613a28152..50728f6e9c5 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211.h
@@ -2067,7 +2067,7 @@ struct ieee80211_device {
 	spinlock_t bw_spinlock;
 
 	spinlock_t reorder_spinlock;
-	// for HT operation rate set.  we use this one for HT data rate to seperate different descriptors
+	// for HT operation rate set.  we use this one for HT data rate to separate different descriptors
 	//the way fill this is the same as in the IE
 	u8	Regdot11HTOperationalRateSet[16];		//use RATR format
 	u8	dot11HTOperationalRateSet[16];		//use RATR format
diff --git a/drivers/staging/rtl8192e/r8190_rtl8256.c b/drivers/staging/rtl8192e/r8190_rtl8256.c
index 1bd054d42f2..7391f5f8f25 100644
--- a/drivers/staging/rtl8192e/r8190_rtl8256.c
+++ b/drivers/staging/rtl8192e/r8190_rtl8256.c
@@ -802,7 +802,7 @@ MgntDisconnectIBSS(
 
 			case RT_OP_MODE_IBSS:
 				btMsr |= MSR_LINK_ADHOC;
-				// led link set seperate
+				// led link set separate
 				break;
 
 			case RT_OP_MODE_AP:
@@ -885,7 +885,7 @@ MlmeDisassociateRequest(
 
 			case RT_OP_MODE_IBSS:
 				btMsr |= MSR_LINK_ADHOC;
-				// led link set seperate
+				// led link set separate
 				break;
 
 			case RT_OP_MODE_AP:
diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c
index 533be4882bb..eb41402d1d3 100644
--- a/drivers/staging/rtl8192e/r8192E_core.c
+++ b/drivers/staging/rtl8192e/r8192E_core.c
@@ -407,7 +407,7 @@ rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
 
 			case RT_OP_MODE_IBSS:
 				btMsr |= MSR_ADHOC;
-				// led link set seperate
+				// led link set separate
 				break;
 
 			case RT_OP_MODE_AP:
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211.h b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
index 32b261d1559..bcb2b12a839 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
@@ -1152,7 +1152,7 @@ struct ieee80211_device {
 	spinlock_t reorder_spinlock;
 	/*
 	 * for HT operation rate set, we use this one for HT data rate to
-	 * seperate different descriptors the way fill this is the same as
+	 * separate different descriptors the way fill this is the same as
 	 * in the IE
 	 */
 	u8	Regdot11HTOperationalRateSet[16];	/* use RATR format */
diff --git a/drivers/staging/rtl8192su/r8192S_phy.c b/drivers/staging/rtl8192su/r8192S_phy.c
index 69ede47dfdc..b6c0f199074 100644
--- a/drivers/staging/rtl8192su/r8192S_phy.c
+++ b/drivers/staging/rtl8192su/r8192S_phy.c
@@ -882,7 +882,7 @@ phy_BB8192S_Config_ParaFile(struct net_device* dev)
 
 	//
 	// 1. Read PHY_REG.TXT BB INIT!!
-	// We will seperate as 1T1R/1T2R/1T2R_GREEN/2T2R
+	// We will separate as 1T1R/1T2R/1T2R_GREEN/2T2R
 	//
 	if (priv->rf_type == RF_1T2R || priv->rf_type == RF_2T2R ||
 	    priv->rf_type == RF_1T1R ||priv->rf_type == RF_2T2R_GREEN)
diff --git a/drivers/staging/rtl8192u/ieee80211.h b/drivers/staging/rtl8192u/ieee80211.h
index ef9e941f496..9c726113214 100644
--- a/drivers/staging/rtl8192u/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211.h
@@ -1795,7 +1795,7 @@ struct ieee80211_device {
 
 	spinlock_t reorder_spinlock;
 	/* for HT operation rate set.  we use this one for HT data rate to
-	 * seperate different descriptors
+	 * separate different descriptors
 	 * the way fill this is the same as in the IE
 	 */
 	u8	Regdot11HTOperationalRateSet[16];		/* use RATR format */
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
index 39847c81e29..e1216b70495 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
@@ -1829,7 +1829,7 @@ struct ieee80211_device {
 	spinlock_t bw_spinlock;
 
 	spinlock_t reorder_spinlock;
-	// for HT operation rate set.  we use this one for HT data rate to seperate different descriptors
+	// for HT operation rate set.  we use this one for HT data rate to separate different descriptors
 	//the way fill this is the same as in the IE
 	u8	Regdot11HTOperationalRateSet[16];		//use RATR format
 	u8	dot11HTOperationalRateSet[16];		//use RATR format
diff --git a/drivers/staging/wlags49_h2/README.wlags49 b/drivers/staging/wlags49_h2/README.wlags49
index 7586fd09adc..f65acd6f5f5 100644
--- a/drivers/staging/wlags49_h2/README.wlags49
+++ b/drivers/staging/wlags49_h2/README.wlags49
@@ -84,7 +84,7 @@ TABLE OF CONTENTS.
        the functions to interface to the Network Interface Card (NIC).  The HCF
        provides for all WaveLAN NIC types one standard interface to the MSF.
        This I/F is called the Wireless Connection Interface (WCI) and is the
-       subject of a seperate document (025726).
+       subject of a separate document (025726).
 
     The HCF directory contains firmware images to allow the card to operate in
     either station (STA) or Access Point (AP) mode. In the build process, the
diff --git a/drivers/staging/wlags49_h2/wl_priv.c b/drivers/staging/wlags49_h2/wl_priv.c
index f2bfd3025e9..260d4f0d47b 100644
--- a/drivers/staging/wlags49_h2/wl_priv.c
+++ b/drivers/staging/wlags49_h2/wl_priv.c
@@ -654,7 +654,7 @@ int wvlan_uil_put_info( struct uilreq *urq, struct wl_private *lp )
 					pLtv->u.u16[0]  = CNV_INT_TO_LITTLE( pLtv->u.u16[0] );
 					break;
 				/* CFG_CNF_OWN_SSID currently same as CNF_DESIRED_SSID. Do we
-				   need seperate storage for this? */
+				   need separate storage for this? */
 				//case CFG_CNF_OWN_SSID:
 				case CFG_CNF_OWN_ATIM_WINDOW:
 					lp->atimWindow  = pLtv->u.u16[0];
diff --git a/drivers/staging/wlags49_h2/wl_wext.c b/drivers/staging/wlags49_h2/wl_wext.c
index 4434e006548..311d3c5a2ef 100644
--- a/drivers/staging/wlags49_h2/wl_wext.c
+++ b/drivers/staging/wlags49_h2/wl_wext.c
@@ -3940,7 +3940,7 @@ void wl_wext_event_mic_failed( struct net_device *dev )
 	   MLME-MICHAELMICFAILURE.indication(keyid=# broadcast/unicast addr=addr2)
    */
 
-	/* NOTE: Format of MAC address (using colons to seperate bytes) may cause
+	/* NOTE: Format of MAC address (using colons to separate bytes) may cause
 			 a problem in future versions of the supplicant, if they ever
 			 actually parse these parameters */
 #if DBG

From 089a41985c6c7e69c8fe043c0dd397da628254f5 Mon Sep 17 00:00:00 2001
From: Barry Song <Barry.Song@analog.com>
Date: Wed, 12 May 2010 19:34:06 +0100
Subject: [PATCH 1440/3638] staging: iio: adis16260 digital gyro driver

Signed-off-by: Barry Song <Barry.Song@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/Kconfig                  |   1 +
 drivers/staging/iio/Makefile                 |   1 +
 drivers/staging/iio/gyro/Kconfig             |  13 +
 drivers/staging/iio/gyro/Makefile            |   7 +
 drivers/staging/iio/gyro/adis16260.h         | 175 +++++
 drivers/staging/iio/gyro/adis16260_core.c    | 661 +++++++++++++++++++
 drivers/staging/iio/gyro/adis16260_ring.c    | 256 +++++++
 drivers/staging/iio/gyro/adis16260_trigger.c | 124 ++++
 drivers/staging/iio/gyro/gyro.h              |   2 +
 9 files changed, 1240 insertions(+)
 create mode 100644 drivers/staging/iio/gyro/Kconfig
 create mode 100644 drivers/staging/iio/gyro/Makefile
 create mode 100644 drivers/staging/iio/gyro/adis16260.h
 create mode 100644 drivers/staging/iio/gyro/adis16260_core.c
 create mode 100644 drivers/staging/iio/gyro/adis16260_ring.c
 create mode 100644 drivers/staging/iio/gyro/adis16260_trigger.c

diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index ed38ef4db44..b0e62449c62 100644
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -41,6 +41,7 @@ config IIO_TRIGGER
 
 source "drivers/staging/iio/accel/Kconfig"
 source "drivers/staging/iio/adc/Kconfig"
+source "drivers/staging/iio/gyro/Kconfig"
 source "drivers/staging/iio/imu/Kconfig"
 source "drivers/staging/iio/light/Kconfig"
 
diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile
index 92b81c2b895..3502b39f084 100644
--- a/drivers/staging/iio/Makefile
+++ b/drivers/staging/iio/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_IIO_SW_RING) += ring_sw.o
 
 obj-y += accel/
 obj-y += adc/
+obj-y += gyro/
 obj-y += imu/
 obj-y += light/
 
diff --git a/drivers/staging/iio/gyro/Kconfig b/drivers/staging/iio/gyro/Kconfig
new file mode 100644
index 00000000000..c4043610c0d
--- /dev/null
+++ b/drivers/staging/iio/gyro/Kconfig
@@ -0,0 +1,13 @@
+#
+# IIO Digital Gyroscope Sensor drivers configuration
+#
+comment "Digital gyroscope sensors"
+
+config ADIS16260
+	tristate "Analog Devices ADIS16260/5 Digital Gyroscope Sensor SPI driver"
+	depends on SPI
+	select IIO_TRIGGER if IIO_RING_BUFFER
+	select IIO_SW_RING if IIO_RING_BUFFER
+	help
+	  Say yes here to build support for Analog Devices adis16260/5
+	  programmable digital gyroscope sensor.
diff --git a/drivers/staging/iio/gyro/Makefile b/drivers/staging/iio/gyro/Makefile
new file mode 100644
index 00000000000..6d2c547686c
--- /dev/null
+++ b/drivers/staging/iio/gyro/Makefile
@@ -0,0 +1,7 @@
+
+# Makefile for digital gyroscope sensor drivers
+#
+
+adis16260-y             := adis16260_core.o
+adis16260-$(CONFIG_IIO_RING_BUFFER) += adis16260_ring.o adis16260_trigger.o
+obj-$(CONFIG_ADIS16260) += adis16260.o
diff --git a/drivers/staging/iio/gyro/adis16260.h b/drivers/staging/iio/gyro/adis16260.h
new file mode 100644
index 00000000000..f19efb4c91c
--- /dev/null
+++ b/drivers/staging/iio/gyro/adis16260.h
@@ -0,0 +1,175 @@
+#ifndef SPI_ADIS16260_H_
+#define SPI_ADIS16260_H_
+
+#define ADIS16260_STARTUP_DELAY	220 /* ms */
+
+#define ADIS16260_READ_REG(a)    a
+#define ADIS16260_WRITE_REG(a) ((a) | 0x80)
+
+#define ADIS16260_FLASH_CNT  0x00 /* Flash memory write count */
+#define ADIS16260_SUPPLY_OUT 0x02 /* Power supply measurement */
+#define ADIS16260_GYRO_OUT   0x04 /* X-axis gyroscope output */
+#define ADIS16260_AUX_ADC    0x0A /* analog input channel measurement */
+#define ADIS16260_TEMP_OUT   0x0C /* internal temperature measurement */
+#define ADIS16260_ANGL_OUT   0x0E /* angle displacement */
+#define ADIS16260_GYRO_OFF   0x14 /* Calibration, offset/bias adjustment */
+#define ADIS16260_GYRO_SCALE 0x16 /* Calibration, scale adjustment */
+#define ADIS16260_ALM_MAG1   0x20 /* Alarm 1 magnitude/polarity setting */
+#define ADIS16260_ALM_MAG2   0x22 /* Alarm 2 magnitude/polarity setting */
+#define ADIS16260_ALM_SMPL1  0x24 /* Alarm 1 dynamic rate of change setting */
+#define ADIS16260_ALM_SMPL2  0x26 /* Alarm 2 dynamic rate of change setting */
+#define ADIS16260_ALM_CTRL   0x28 /* Alarm control */
+#define ADIS16260_AUX_DAC    0x30 /* Auxiliary DAC data */
+#define ADIS16260_GPIO_CTRL  0x32 /* Control, digital I/O line */
+#define ADIS16260_MSC_CTRL   0x34 /* Control, data ready, self-test settings */
+#define ADIS16260_SMPL_PRD   0x36 /* Control, internal sample rate */
+#define ADIS16260_SENS_AVG   0x38 /* Control, dynamic range, filtering */
+#define ADIS16260_SLP_CNT    0x3A /* Control, sleep mode initiation */
+#define ADIS16260_DIAG_STAT  0x3C /* Diagnostic, error flags */
+#define ADIS16260_GLOB_CMD   0x3E /* Control, global commands */
+#define ADIS16260_LOT_ID1    0x52 /* Lot Identification Code 1 */
+#define ADIS16260_LOT_ID2    0x54 /* Lot Identification Code 2 */
+#define ADIS16260_PROD_ID    0x56 /* Product identifier;
+				   * convert to decimal = 16,265/16,260 */
+#define ADIS16260_SERIAL_NUM 0x58 /* Serial number */
+
+#define ADIS16260_OUTPUTS    5
+
+#define ADIS16260_ERROR_ACTIVE			(1<<14)
+#define ADIS16260_NEW_DATA			(1<<15)
+
+/* MSC_CTRL */
+#define ADIS16260_MSC_CTRL_MEM_TEST		(1<<11)
+/* Internal self-test enable */
+#define ADIS16260_MSC_CTRL_INT_SELF_TEST	(1<<10)
+#define ADIS16260_MSC_CTRL_NEG_SELF_TEST	(1<<9)
+#define ADIS16260_MSC_CTRL_POS_SELF_TEST	(1<<8)
+#define ADIS16260_MSC_CTRL_DATA_RDY_EN		(1<<2)
+#define ADIS16260_MSC_CTRL_DATA_RDY_POL_HIGH	(1<<1)
+#define ADIS16260_MSC_CTRL_DATA_RDY_DIO2	(1<<0)
+
+/* SMPL_PRD */
+/* Time base (tB): 0 = 1.953 ms, 1 = 60.54 ms */
+#define ADIS16260_SMPL_PRD_TIME_BASE	(1<<7)
+#define ADIS16260_SMPL_PRD_DIV_MASK	0x7F
+
+/* SLP_CNT */
+#define ADIS16260_SLP_CNT_POWER_OFF     0x80
+
+/* DIAG_STAT */
+#define ADIS16260_DIAG_STAT_ALARM2	(1<<9)
+#define ADIS16260_DIAG_STAT_ALARM1	(1<<8)
+#define ADIS16260_DIAG_STAT_FLASH_CHK	(1<<6)
+#define ADIS16260_DIAG_STAT_SELF_TEST	(1<<5)
+#define ADIS16260_DIAG_STAT_OVERFLOW	(1<<4)
+#define ADIS16260_DIAG_STAT_SPI_FAIL	(1<<3)
+#define ADIS16260_DIAG_STAT_FLASH_UPT	(1<<2)
+#define ADIS16260_DIAG_STAT_POWER_HIGH	(1<<1)
+#define ADIS16260_DIAG_STAT_POWER_LOW	(1<<0)
+
+/* GLOB_CMD */
+#define ADIS16260_GLOB_CMD_SW_RESET	(1<<7)
+#define ADIS16260_GLOB_CMD_FLASH_UPD	(1<<3)
+#define ADIS16260_GLOB_CMD_DAC_LATCH	(1<<2)
+#define ADIS16260_GLOB_CMD_FAC_CALIB	(1<<1)
+#define ADIS16260_GLOB_CMD_AUTO_NULL	(1<<0)
+
+#define ADIS16260_MAX_TX 24
+#define ADIS16260_MAX_RX 24
+
+#define ADIS16260_SPI_SLOW	(u32)(300 * 1000)
+#define ADIS16260_SPI_BURST	(u32)(1000 * 1000)
+#define ADIS16260_SPI_FAST	(u32)(2000 * 1000)
+
+/**
+ * struct adis16260_state - device instance specific data
+ * @us:			actual spi_device
+ * @work_trigger_to_ring: bh for triggered event handling
+ * @work_cont_thresh: CLEAN
+ * @inter:		used to check if new interrupt has been triggered
+ * @last_timestamp:	passing timestamp from th to bh of interrupt handler
+ * @indio_dev:		industrial I/O device structure
+ * @trig:		data ready trigger registered with iio
+ * @tx:			transmit buffer
+ * @rx:			recieve buffer
+ * @buf_lock:		mutex to protect tx and rx
+ **/
+struct adis16260_state {
+	struct spi_device		*us;
+	struct work_struct		work_trigger_to_ring;
+	struct iio_work_cont		work_cont_thresh;
+	s64				last_timestamp;
+	struct iio_dev			*indio_dev;
+	struct iio_trigger		*trig;
+	u8				*tx;
+	u8				*rx;
+	struct mutex			buf_lock;
+};
+
+int adis16260_set_irq(struct device *dev, bool enable);
+
+#ifdef CONFIG_IIO_RING_BUFFER
+/* At the moment triggers are only used for ring buffer
+ * filling. This may change!
+ */
+
+enum adis16260_scan {
+	ADIS16260_SCAN_SUPPLY,
+	ADIS16260_SCAN_GYRO,
+	ADIS16260_SCAN_AUX_ADC,
+	ADIS16260_SCAN_TEMP,
+	ADIS16260_SCAN_ANGL,
+};
+
+void adis16260_remove_trigger(struct iio_dev *indio_dev);
+int adis16260_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t adis16260_read_data_from_ring(struct device *dev,
+				      struct device_attribute *attr,
+				      char *buf);
+
+
+int adis16260_configure_ring(struct iio_dev *indio_dev);
+void adis16260_unconfigure_ring(struct iio_dev *indio_dev);
+
+int adis16260_initialize_ring(struct iio_ring_buffer *ring);
+void adis16260_uninitialize_ring(struct iio_ring_buffer *ring);
+#else /* CONFIG_IIO_RING_BUFFER */
+
+static inline void adis16260_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16260_probe_trigger(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline ssize_t
+adis16260_read_data_from_ring(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	return 0;
+}
+
+static int adis16260_configure_ring(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline void adis16260_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16260_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return 0;
+}
+
+static inline void adis16260_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+}
+
+#endif /* CONFIG_IIO_RING_BUFFER */
+#endif /* SPI_ADIS16260_H_ */
diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c
new file mode 100644
index 00000000000..c93f4d580fc
--- /dev/null
+++ b/drivers/staging/iio/gyro/adis16260_core.c
@@ -0,0 +1,661 @@
+/*
+ * ADIS16260 Programmable Digital Gyroscope Sensor Driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../adc/adc.h"
+#include "gyro.h"
+
+#include "adis16260.h"
+
+#define DRIVER_NAME		"adis16260"
+
+static int adis16260_check_status(struct device *dev);
+
+/**
+ * adis16260_spi_write_reg_8() - write single byte to a register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the register to be written
+ * @val: the value to write
+ **/
+static int adis16260_spi_write_reg_8(struct device *dev,
+		u8 reg_address,
+		u8 val)
+{
+	int ret;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16260_state *st = iio_dev_get_devdata(indio_dev);
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16260_WRITE_REG(reg_address);
+	st->tx[1] = val;
+
+	ret = spi_write(st->us, st->tx, 2);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16260_spi_write_reg_16() - write 2 bytes to a pair of registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: value to be written
+ **/
+static int adis16260_spi_write_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 value)
+{
+	int ret;
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16260_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 20,
+		}, {
+			.tx_buf = st->tx + 2,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 20,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16260_WRITE_REG(lower_reg_address);
+	st->tx[1] = value & 0xFF;
+	st->tx[2] = ADIS16260_WRITE_REG(lower_reg_address + 1);
+	st->tx[3] = (value >> 8) & 0xFF;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16260_spi_read_reg_16() - read 2 bytes from a 16-bit register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: somewhere to pass back the value read
+ **/
+static int adis16260_spi_read_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 *val)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16260_state *st = iio_dev_get_devdata(indio_dev);
+	int ret;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 30,
+		}, {
+			.rx_buf = st->rx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 30,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16260_READ_REG(lower_reg_address);
+	st->tx[1] = 0;
+	st->tx[2] = 0;
+	st->tx[3] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	if (ret) {
+		dev_err(&st->us->dev,
+			"problem when reading 16 bit register 0x%02X",
+			lower_reg_address);
+		goto error_ret;
+	}
+	*val = (st->rx[0] << 8) | st->rx[1];
+
+error_ret:
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+static ssize_t adis16260_spi_read_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf,
+		unsigned bits)
+{
+	int ret;
+	s16 val = 0;
+	unsigned shift = 16 - bits;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16260_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16260_ERROR_ACTIVE)
+		adis16260_check_status(dev);
+	val = ((s16)(val << shift) >> shift);
+	return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t adis16260_read_12bit_unsigned(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret;
+	u16 val = 0;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16260_spi_read_reg_16(dev, this_attr->address, &val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16260_ERROR_ACTIVE)
+		adis16260_check_status(dev);
+
+	return sprintf(buf, "%u\n", val & 0x0FFF);
+}
+
+static ssize_t adis16260_read_12bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16260_spi_read_signed(dev, attr, buf, 12);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16260_read_14bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16260_spi_read_signed(dev, attr, buf, 14);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16260_write_16bit(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	int ret;
+	long val;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		goto error_ret;
+	ret = adis16260_spi_write_reg_16(dev, this_attr->address, val);
+
+error_ret:
+	return ret ? ret : len;
+}
+
+static ssize_t adis16260_read_frequency(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret, len = 0;
+	u16 t;
+	int sps;
+	ret = adis16260_spi_read_reg_16(dev,
+			ADIS16260_SMPL_PRD,
+			&t);
+	if (ret)
+		return ret;
+	sps =  (t & ADIS16260_SMPL_PRD_TIME_BASE) ? 66 : 2048;
+	sps /= (t & ADIS16260_SMPL_PRD_DIV_MASK) + 1;
+	len = sprintf(buf, "%d SPS\n", sps);
+	return len;
+}
+
+static ssize_t adis16260_write_frequency(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16260_state *st = iio_dev_get_devdata(indio_dev);
+	long val;
+	int ret;
+	u8 t;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	mutex_lock(&indio_dev->mlock);
+
+	t = (2048 / val);
+	if (t > 0)
+		t--;
+	t &= ADIS16260_SMPL_PRD_DIV_MASK;
+	if ((t & ADIS16260_SMPL_PRD_DIV_MASK) >= 0x0A)
+		st->us->max_speed_hz = ADIS16260_SPI_SLOW;
+	else
+		st->us->max_speed_hz = ADIS16260_SPI_FAST;
+
+	ret = adis16260_spi_write_reg_8(dev,
+			ADIS16260_SMPL_PRD,
+			t);
+
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret ? ret : len;
+}
+
+static int adis16260_reset(struct device *dev)
+{
+	int ret;
+	ret = adis16260_spi_write_reg_8(dev,
+			ADIS16260_GLOB_CMD,
+			ADIS16260_GLOB_CMD_SW_RESET);
+	if (ret)
+		dev_err(dev, "problem resetting device");
+
+	return ret;
+}
+
+static ssize_t adis16260_write_reset(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t len)
+{
+	if (len < 1)
+		return -EINVAL;
+	switch (buf[0]) {
+	case '1':
+	case 'y':
+	case 'Y':
+		return adis16260_reset(dev);
+	}
+	return -EINVAL;
+}
+
+int adis16260_set_irq(struct device *dev, bool enable)
+{
+	int ret;
+	u16 msc;
+	ret = adis16260_spi_read_reg_16(dev, ADIS16260_MSC_CTRL, &msc);
+	if (ret)
+		goto error_ret;
+
+	msc |= ADIS16260_MSC_CTRL_DATA_RDY_POL_HIGH;
+	if (enable)
+		msc |= ADIS16260_MSC_CTRL_DATA_RDY_EN;
+	else
+		msc &= ~ADIS16260_MSC_CTRL_DATA_RDY_EN;
+
+	ret = adis16260_spi_write_reg_16(dev, ADIS16260_MSC_CTRL, msc);
+	if (ret)
+		goto error_ret;
+
+error_ret:
+	return ret;
+}
+
+/* Power down the device */
+static int adis16260_stop_device(struct device *dev)
+{
+	int ret;
+	u16 val = ADIS16260_SLP_CNT_POWER_OFF;
+
+	ret = adis16260_spi_write_reg_16(dev, ADIS16260_SLP_CNT, val);
+	if (ret)
+		dev_err(dev, "problem with turning device off: SLP_CNT");
+
+	return ret;
+}
+
+static int adis16260_self_test(struct device *dev)
+{
+	int ret;
+	ret = adis16260_spi_write_reg_16(dev,
+			ADIS16260_MSC_CTRL,
+			ADIS16260_MSC_CTRL_MEM_TEST);
+	if (ret) {
+		dev_err(dev, "problem starting self test");
+		goto err_ret;
+	}
+
+	adis16260_check_status(dev);
+
+err_ret:
+	return ret;
+}
+
+static int adis16260_check_status(struct device *dev)
+{
+	u16 status;
+	int ret;
+
+	ret = adis16260_spi_read_reg_16(dev, ADIS16260_DIAG_STAT, &status);
+
+	if (ret < 0) {
+		dev_err(dev, "Reading status failed\n");
+		goto error_ret;
+	}
+	ret = status & 0x7F;
+	if (status & ADIS16260_DIAG_STAT_FLASH_CHK)
+		dev_err(dev, "Flash checksum error\n");
+	if (status & ADIS16260_DIAG_STAT_SELF_TEST)
+		dev_err(dev, "Self test error\n");
+	if (status & ADIS16260_DIAG_STAT_OVERFLOW)
+		dev_err(dev, "Sensor overrange\n");
+	if (status & ADIS16260_DIAG_STAT_SPI_FAIL)
+		dev_err(dev, "SPI failure\n");
+	if (status & ADIS16260_DIAG_STAT_FLASH_UPT)
+		dev_err(dev, "Flash update failed\n");
+	if (status & ADIS16260_DIAG_STAT_POWER_HIGH)
+		dev_err(dev, "Power supply above 5.25V\n");
+	if (status & ADIS16260_DIAG_STAT_POWER_LOW)
+		dev_err(dev, "Power supply below 4.75V\n");
+
+error_ret:
+	return ret;
+}
+
+static int adis16260_initial_setup(struct adis16260_state *st)
+{
+	int ret;
+	struct device *dev = &st->indio_dev->dev;
+
+	/* Disable IRQ */
+	ret = adis16260_set_irq(dev, false);
+	if (ret) {
+		dev_err(dev, "disable irq failed");
+		goto err_ret;
+	}
+
+	/* Do self test */
+	ret = adis16260_self_test(dev);
+	if (ret) {
+		dev_err(dev, "self test failure");
+		goto err_ret;
+	}
+
+	/* Read status register to check the result */
+	ret = adis16260_check_status(dev);
+	if (ret) {
+		adis16260_reset(dev);
+		dev_err(dev, "device not playing ball -> reset");
+		msleep(ADIS16260_STARTUP_DELAY);
+		ret = adis16260_check_status(dev);
+		if (ret) {
+			dev_err(dev, "giving up");
+			goto err_ret;
+		}
+	}
+
+	printk(KERN_INFO DRIVER_NAME ": at CS%d (irq %d)\n",
+			st->us->chip_select, st->us->irq);
+
+err_ret:
+	return ret;
+}
+
+static IIO_DEV_ATTR_IN_NAMED_RAW(supply,
+				adis16260_read_12bit_unsigned,
+				ADIS16260_SUPPLY_OUT);
+static IIO_CONST_ATTR(in_supply_scale, "0.0018315");
+
+static IIO_DEV_ATTR_GYRO(adis16260_read_14bit_signed,
+		ADIS16260_GYRO_OUT);
+static IIO_DEV_ATTR_GYRO_SCALE(S_IWUSR | S_IRUGO,
+		adis16260_read_14bit_signed,
+		adis16260_write_16bit,
+		ADIS16260_GYRO_SCALE);
+static IIO_DEV_ATTR_GYRO_OFFSET(S_IWUSR | S_IRUGO,
+		adis16260_read_12bit_signed,
+		adis16260_write_16bit,
+		ADIS16260_GYRO_OFF);
+
+static IIO_DEV_ATTR_TEMP_RAW(adis16260_read_12bit_unsigned);
+static IIO_CONST_ATTR(temp_offset, "25");
+static IIO_CONST_ATTR(temp_scale, "0.1453");
+
+static IIO_DEV_ATTR_IN_RAW(0, adis16260_read_12bit_unsigned,
+		ADIS16260_AUX_ADC);
+static IIO_CONST_ATTR(in0_scale, "0.0006105");
+
+static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
+		adis16260_read_frequency,
+		adis16260_write_frequency);
+static IIO_DEV_ATTR_ANGL(adis16260_read_14bit_signed,
+		ADIS16260_ANGL_OUT);
+
+static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16260_write_reset, 0);
+
+static IIO_CONST_ATTR_AVAIL_SAMP_FREQ("256 2048");
+
+static IIO_CONST_ATTR(name, "adis16260");
+
+static struct attribute *adis16260_event_attributes[] = {
+	NULL
+};
+
+static struct attribute_group adis16260_event_attribute_group = {
+	.attrs = adis16260_event_attributes,
+};
+
+static struct attribute *adis16260_attributes[] = {
+	&iio_dev_attr_in_supply_raw.dev_attr.attr,
+	&iio_const_attr_in_supply_scale.dev_attr.attr,
+	&iio_dev_attr_gyro_raw.dev_attr.attr,
+	&iio_dev_attr_gyro_scale.dev_attr.attr,
+	&iio_dev_attr_gyro_offset.dev_attr.attr,
+	&iio_dev_attr_angl_raw.dev_attr.attr,
+	&iio_dev_attr_temp_raw.dev_attr.attr,
+	&iio_const_attr_temp_offset.dev_attr.attr,
+	&iio_const_attr_temp_scale.dev_attr.attr,
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_const_attr_in0_scale.dev_attr.attr,
+	&iio_dev_attr_sampling_frequency.dev_attr.attr,
+	&iio_const_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_dev_attr_reset.dev_attr.attr,
+	&iio_const_attr_name.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group adis16260_attribute_group = {
+	.attrs = adis16260_attributes,
+};
+
+static int __devinit adis16260_probe(struct spi_device *spi)
+{
+	int ret, regdone = 0;
+	struct adis16260_state *st = kzalloc(sizeof *st, GFP_KERNEL);
+	if (!st) {
+		ret =  -ENOMEM;
+		goto error_ret;
+	}
+	/* this is only used for removal purposes */
+	spi_set_drvdata(spi, st);
+
+	/* Allocate the comms buffers */
+	st->rx = kzalloc(sizeof(*st->rx)*ADIS16260_MAX_RX, GFP_KERNEL);
+	if (st->rx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_st;
+	}
+	st->tx = kzalloc(sizeof(*st->tx)*ADIS16260_MAX_TX, GFP_KERNEL);
+	if (st->tx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_rx;
+	}
+	st->us = spi;
+	mutex_init(&st->buf_lock);
+	/* setup the industrialio driver allocated elements */
+	st->indio_dev = iio_allocate_device();
+	if (st->indio_dev == NULL) {
+		ret = -ENOMEM;
+		goto error_free_tx;
+	}
+
+	st->indio_dev->dev.parent = &spi->dev;
+	st->indio_dev->num_interrupt_lines = 1;
+	st->indio_dev->event_attrs = &adis16260_event_attribute_group;
+	st->indio_dev->attrs = &adis16260_attribute_group;
+	st->indio_dev->dev_data = (void *)(st);
+	st->indio_dev->driver_module = THIS_MODULE;
+	st->indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = adis16260_configure_ring(st->indio_dev);
+	if (ret)
+		goto error_free_dev;
+
+	ret = iio_device_register(st->indio_dev);
+	if (ret)
+		goto error_unreg_ring_funcs;
+	regdone = 1;
+
+	ret = adis16260_initialize_ring(st->indio_dev->ring);
+	if (ret) {
+		printk(KERN_ERR "failed to initialize the ring\n");
+		goto error_unreg_ring_funcs;
+	}
+
+	if (spi->irq) {
+		ret = iio_register_interrupt_line(spi->irq,
+				st->indio_dev,
+				0,
+				IRQF_TRIGGER_RISING,
+				"adis16260");
+		if (ret)
+			goto error_uninitialize_ring;
+
+		ret = adis16260_probe_trigger(st->indio_dev);
+		if (ret)
+			goto error_unregister_line;
+	}
+
+	/* Get the device into a sane initial state */
+	ret = adis16260_initial_setup(st);
+	if (ret)
+		goto error_remove_trigger;
+	return 0;
+
+error_remove_trigger:
+	adis16260_remove_trigger(st->indio_dev);
+error_unregister_line:
+	if (spi->irq)
+		iio_unregister_interrupt_line(st->indio_dev, 0);
+error_uninitialize_ring:
+	adis16260_uninitialize_ring(st->indio_dev->ring);
+error_unreg_ring_funcs:
+	adis16260_unconfigure_ring(st->indio_dev);
+error_free_dev:
+	if (regdone)
+		iio_device_unregister(st->indio_dev);
+	else
+		iio_free_device(st->indio_dev);
+error_free_tx:
+	kfree(st->tx);
+error_free_rx:
+	kfree(st->rx);
+error_free_st:
+	kfree(st);
+error_ret:
+	return ret;
+}
+
+static int adis16260_remove(struct spi_device *spi)
+{
+	int ret;
+	struct adis16260_state *st = spi_get_drvdata(spi);
+	struct iio_dev *indio_dev = st->indio_dev;
+
+	ret = adis16260_stop_device(&(indio_dev->dev));
+	if (ret)
+		goto err_ret;
+
+	flush_scheduled_work();
+
+	adis16260_remove_trigger(indio_dev);
+	if (spi->irq)
+		iio_unregister_interrupt_line(indio_dev, 0);
+
+	adis16260_uninitialize_ring(indio_dev->ring);
+	iio_device_unregister(indio_dev);
+	adis16260_unconfigure_ring(indio_dev);
+	kfree(st->tx);
+	kfree(st->rx);
+	kfree(st);
+
+	return 0;
+
+err_ret:
+	return ret;
+}
+
+static struct spi_driver adis16260_driver = {
+	.driver = {
+		.name = "adis16260",
+		.owner = THIS_MODULE,
+	},
+	.probe = adis16260_probe,
+	.remove = __devexit_p(adis16260_remove),
+};
+
+static __init int adis16260_init(void)
+{
+	return spi_register_driver(&adis16260_driver);
+}
+module_init(adis16260_init);
+
+static __exit void adis16260_exit(void)
+{
+	spi_unregister_driver(&adis16260_driver);
+}
+module_exit(adis16260_exit);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16260/5 Digital Gyroscope Sensor");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/gyro/adis16260_ring.c b/drivers/staging/iio/gyro/adis16260_ring.c
new file mode 100644
index 00000000000..4c4390ca6d7
--- /dev/null
+++ b/drivers/staging/iio/gyro/adis16260_ring.c
@@ -0,0 +1,256 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../ring_sw.h"
+#include "../accel/accel.h"
+#include "../trigger.h"
+#include "adis16260.h"
+
+/**
+ * combine_8_to_16() utility function to munge to u8s into u16
+ **/
+static inline u16 combine_8_to_16(u8 lower, u8 upper)
+{
+	u16 _lower = lower;
+	u16 _upper = upper;
+	return _lower | (_upper << 8);
+}
+
+static IIO_SCAN_EL_C(supply, ADIS16260_SCAN_SUPPLY, IIO_UNSIGNED(12),
+		ADIS16260_SUPPLY_OUT, NULL);
+static IIO_SCAN_EL_C(gyro, ADIS16260_SCAN_GYRO, IIO_SIGNED(14),
+		ADIS16260_GYRO_OUT, NULL);
+static IIO_SCAN_EL_C(aux_adc, ADIS16260_SCAN_AUX_ADC, IIO_SIGNED(14),
+		ADIS16260_AUX_ADC, NULL);
+static IIO_SCAN_EL_C(temp, ADIS16260_SCAN_TEMP, IIO_UNSIGNED(12),
+		ADIS16260_TEMP_OUT, NULL);
+static IIO_SCAN_EL_C(angl, ADIS16260_SCAN_ANGL, IIO_UNSIGNED(12),
+		ADIS16260_ANGL_OUT, NULL);
+
+static IIO_SCAN_EL_TIMESTAMP(5);
+
+static struct attribute *adis16260_scan_el_attrs[] = {
+	&iio_scan_el_supply.dev_attr.attr,
+	&iio_scan_el_gyro.dev_attr.attr,
+	&iio_scan_el_aux_adc.dev_attr.attr,
+	&iio_scan_el_temp.dev_attr.attr,
+	&iio_scan_el_angl.dev_attr.attr,
+	&iio_scan_el_timestamp.dev_attr.attr,
+	NULL,
+};
+
+static struct attribute_group adis16260_scan_el_group = {
+	.attrs = adis16260_scan_el_attrs,
+	.name = "scan_elements",
+};
+
+/**
+ * adis16260_poll_func_th() top half interrupt handler called by trigger
+ * @private_data:	iio_dev
+ **/
+static void adis16260_poll_func_th(struct iio_dev *indio_dev)
+{
+	struct adis16260_state *st = iio_dev_get_devdata(indio_dev);
+	st->last_timestamp = indio_dev->trig->timestamp;
+	schedule_work(&st->work_trigger_to_ring);
+}
+
+/**
+ * adis16260_read_ring_data() read data registers which will be placed into ring
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @rx: somewhere to pass back the value read
+ **/
+static int adis16260_read_ring_data(struct device *dev, u8 *rx)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16260_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[ADIS16260_OUTPUTS + 1];
+	int ret;
+	int i;
+
+	mutex_lock(&st->buf_lock);
+
+	spi_message_init(&msg);
+
+	memset(xfers, 0, sizeof(xfers));
+	for (i = 0; i <= ADIS16260_OUTPUTS; i++) {
+		xfers[i].bits_per_word = 8;
+		xfers[i].cs_change = 1;
+		xfers[i].len = 2;
+		xfers[i].delay_usecs = 30;
+		xfers[i].tx_buf = st->tx + 2 * i;
+		if (i < 2) /* SUPPLY_OUT:0x02 GYRO_OUT:0x04 */
+			st->tx[2 * i]
+				= ADIS16260_READ_REG(ADIS16260_SUPPLY_OUT
+						+ 2 * i);
+		else /* 0x06 to 0x09 is reserved */
+			st->tx[2 * i]
+				= ADIS16260_READ_REG(ADIS16260_SUPPLY_OUT
+						+ 2 * i + 4);
+		st->tx[2 * i + 1] = 0;
+		if (i >= 1)
+			xfers[i].rx_buf = rx + 2 * (i - 1);
+		spi_message_add_tail(&xfers[i], &msg);
+	}
+
+	ret = spi_sync(st->us, &msg);
+	if (ret)
+		dev_err(&st->us->dev, "problem when burst reading");
+
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+
+static void adis16260_trigger_bh_to_ring(struct work_struct *work_s)
+{
+	struct adis16260_state *st
+		= container_of(work_s, struct adis16260_state,
+				work_trigger_to_ring);
+
+	int i = 0;
+	s16 *data;
+	size_t datasize = st->indio_dev
+		->ring->access.get_bpd(st->indio_dev->ring);
+
+	data = kmalloc(datasize , GFP_KERNEL);
+	if (data == NULL) {
+		dev_err(&st->us->dev, "memory alloc failed in ring bh");
+		return;
+	}
+
+	if (st->indio_dev->scan_count)
+		if (adis16260_read_ring_data(&st->indio_dev->dev, st->rx) >= 0)
+			for (; i < st->indio_dev->scan_count; i++) {
+				data[i] = combine_8_to_16(st->rx[i*2+1],
+						st->rx[i*2]);
+			}
+
+	/* Guaranteed to be aligned with 8 byte boundary */
+	if (st->indio_dev->scan_timestamp)
+		*((s64 *)(data + ((i + 3)/4)*4)) = st->last_timestamp;
+
+	st->indio_dev->ring->access.store_to(st->indio_dev->ring,
+			(u8 *)data,
+			st->last_timestamp);
+
+	iio_trigger_notify_done(st->indio_dev->trig);
+	kfree(data);
+
+	return;
+}
+
+static int adis16260_data_rdy_ring_preenable(struct iio_dev *indio_dev)
+{
+	size_t size;
+	dev_dbg(&indio_dev->dev, "%s\n", __func__);
+	/* Check if there are any scan elements enabled, if not fail*/
+	if (!(indio_dev->scan_count || indio_dev->scan_timestamp))
+		return -EINVAL;
+
+	if (indio_dev->ring->access.set_bpd) {
+		if (indio_dev->scan_timestamp)
+			if (indio_dev->scan_count)
+				/* Timestamp (aligned s64) and data */
+				size = (((indio_dev->scan_count * sizeof(s16))
+						+ sizeof(s64) - 1)
+					& ~(sizeof(s64) - 1))
+					+ sizeof(s64);
+			else /* Timestamp only  */
+				size = sizeof(s64);
+		else /* Data only */
+			size = indio_dev->scan_count*sizeof(s16);
+		indio_dev->ring->access.set_bpd(indio_dev->ring, size);
+	}
+
+	return 0;
+}
+
+static int adis16260_data_rdy_ring_postenable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_attach_poll_func(indio_dev->trig,
+				indio_dev->pollfunc)
+		: 0;
+}
+
+static int adis16260_data_rdy_ring_predisable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_dettach_poll_func(indio_dev->trig,
+				indio_dev->pollfunc)
+		: 0;
+}
+
+void adis16260_unconfigure_ring(struct iio_dev *indio_dev)
+{
+	kfree(indio_dev->pollfunc);
+	iio_sw_rb_free(indio_dev->ring);
+}
+
+int adis16260_configure_ring(struct iio_dev *indio_dev)
+{
+	int ret = 0;
+	struct adis16260_state *st = indio_dev->dev_data;
+	struct iio_ring_buffer *ring;
+	INIT_WORK(&st->work_trigger_to_ring, adis16260_trigger_bh_to_ring);
+	/* Set default scan mode */
+
+	iio_scan_mask_set(indio_dev, iio_scan_el_supply.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_gyro.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_aux_adc.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_temp.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_angl.number);
+	indio_dev->scan_timestamp = true;
+
+	indio_dev->scan_el_attrs = &adis16260_scan_el_group;
+
+	ring = iio_sw_rb_allocate(indio_dev);
+	if (!ring) {
+		ret = -ENOMEM;
+		return ret;
+	}
+	indio_dev->ring = ring;
+	/* Effectively select the ring buffer implementation */
+	iio_ring_sw_register_funcs(&ring->access);
+	ring->preenable = &adis16260_data_rdy_ring_preenable;
+	ring->postenable = &adis16260_data_rdy_ring_postenable;
+	ring->predisable = &adis16260_data_rdy_ring_predisable;
+	ring->owner = THIS_MODULE;
+
+	indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL);
+	if (indio_dev->pollfunc == NULL) {
+		ret = -ENOMEM;
+		goto error_iio_sw_rb_free;;
+	}
+	indio_dev->pollfunc->poll_func_main = &adis16260_poll_func_th;
+	indio_dev->pollfunc->private_data = indio_dev;
+	indio_dev->modes |= INDIO_RING_TRIGGERED;
+	return 0;
+
+error_iio_sw_rb_free:
+	iio_sw_rb_free(indio_dev->ring);
+	return ret;
+}
+
+int adis16260_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return iio_ring_buffer_register(ring, 0);
+}
+
+void adis16260_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+	iio_ring_buffer_unregister(ring);
+}
diff --git a/drivers/staging/iio/gyro/adis16260_trigger.c b/drivers/staging/iio/gyro/adis16260_trigger.c
new file mode 100644
index 00000000000..b3c565942b8
--- /dev/null
+++ b/drivers/staging/iio/gyro/adis16260_trigger.c
@@ -0,0 +1,124 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+#include <linux/spi/spi.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../trigger.h"
+#include "adis16260.h"
+
+/**
+ * adis16260_data_rdy_trig_poll() the event handler for the data rdy trig
+ **/
+static int adis16260_data_rdy_trig_poll(struct iio_dev *dev_info,
+				       int index,
+				       s64 timestamp,
+				       int no_test)
+{
+	struct adis16260_state *st = iio_dev_get_devdata(dev_info);
+	struct iio_trigger *trig = st->trig;
+
+	trig->timestamp = timestamp;
+	iio_trigger_poll(trig);
+
+	return IRQ_HANDLED;
+}
+
+IIO_EVENT_SH(data_rdy_trig, &adis16260_data_rdy_trig_poll);
+
+static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
+
+static struct attribute *adis16260_trigger_attrs[] = {
+	&dev_attr_name.attr,
+	NULL,
+};
+
+static const struct attribute_group adis16260_trigger_attr_group = {
+	.attrs = adis16260_trigger_attrs,
+};
+
+/**
+ * adis16260_data_rdy_trigger_set_state() set datardy interrupt state
+ **/
+static int adis16260_data_rdy_trigger_set_state(struct iio_trigger *trig,
+						bool state)
+{
+	struct adis16260_state *st = trig->private_data;
+	struct iio_dev *indio_dev = st->indio_dev;
+	int ret = 0;
+
+	dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
+	ret = adis16260_set_irq(&st->indio_dev->dev, state);
+	if (state == false) {
+		iio_remove_event_from_list(&iio_event_data_rdy_trig,
+					   &indio_dev->interrupts[0]
+					   ->ev_list);
+		flush_scheduled_work();
+	} else {
+		iio_add_event_to_list(&iio_event_data_rdy_trig,
+				      &indio_dev->interrupts[0]->ev_list);
+	}
+	return ret;
+}
+
+/**
+ * adis16260_trig_try_reen() try renabling irq for data rdy trigger
+ * @trig:	the datardy trigger
+ **/
+static int adis16260_trig_try_reen(struct iio_trigger *trig)
+{
+	struct adis16260_state *st = trig->private_data;
+	enable_irq(st->us->irq);
+	return 0;
+}
+
+int adis16260_probe_trigger(struct iio_dev *indio_dev)
+{
+	int ret;
+	struct adis16260_state *st = indio_dev->dev_data;
+
+	st->trig = iio_allocate_trigger();
+	st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
+	if (!st->trig->name) {
+		ret = -ENOMEM;
+		goto error_free_trig;
+	}
+	snprintf((char *)st->trig->name,
+		 IIO_TRIGGER_NAME_LENGTH,
+		 "adis16260-dev%d", indio_dev->id);
+	st->trig->dev.parent = &st->us->dev;
+	st->trig->owner = THIS_MODULE;
+	st->trig->private_data = st;
+	st->trig->set_trigger_state = &adis16260_data_rdy_trigger_set_state;
+	st->trig->try_reenable = &adis16260_trig_try_reen;
+	st->trig->control_attrs = &adis16260_trigger_attr_group;
+	ret = iio_trigger_register(st->trig);
+
+	/* select default trigger */
+	indio_dev->trig = st->trig;
+	if (ret)
+		goto error_free_trig_name;
+
+	return 0;
+
+error_free_trig_name:
+	kfree(st->trig->name);
+error_free_trig:
+	iio_free_trigger(st->trig);
+
+	return ret;
+}
+
+void adis16260_remove_trigger(struct iio_dev *indio_dev)
+{
+	struct adis16260_state *state = indio_dev->dev_data;
+
+	iio_trigger_unregister(state->trig);
+	kfree(state->trig->name);
+	iio_free_trigger(state->trig);
+}
diff --git a/drivers/staging/iio/gyro/gyro.h b/drivers/staging/iio/gyro/gyro.h
index 16f6ffa039b..f68edab8f30 100644
--- a/drivers/staging/iio/gyro/gyro.h
+++ b/drivers/staging/iio/gyro/gyro.h
@@ -39,3 +39,5 @@
 #define IIO_DEV_ATTR_GYRO_Z(_show, _addr)			\
 	IIO_DEVICE_ATTR(gyro_z_raw, S_IRUGO, _show, NULL, _addr)
 
+#define IIO_DEV_ATTR_ANGL(_show, _addr)                         \
+	IIO_DEVICE_ATTR(angl_raw, S_IRUGO, _show, NULL, _addr)

From e64354c0be3b7134c85571a525b2e37fc4a95eef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Wed, 12 May 2010 14:14:00 -0700
Subject: [PATCH 1441/3638] Staging: vt6655: remove HANDLE definition and use
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/baseband.c    |  4 +-
 drivers/staging/vt6655/baseband.h    |  4 +-
 drivers/staging/vt6655/bssdb.c       | 72 ++++++++++++++--------------
 drivers/staging/vt6655/bssdb.h       | 32 ++++++-------
 drivers/staging/vt6655/device_main.c | 24 +++++-----
 drivers/staging/vt6655/dpc.c         | 10 ++--
 drivers/staging/vt6655/ioctl.c       | 14 +++---
 drivers/staging/vt6655/iwctl.c       | 26 +++++-----
 drivers/staging/vt6655/power.c       | 12 ++---
 drivers/staging/vt6655/power.h       | 12 ++---
 drivers/staging/vt6655/ttype.h       |  2 -
 drivers/staging/vt6655/wcmd.c        | 58 +++++++++++-----------
 drivers/staging/vt6655/wcmd.h        | 12 ++---
 drivers/staging/vt6655/wmgr.c        | 70 +++++++++++++--------------
 drivers/staging/vt6655/wmgr.h        | 30 ++++++------
 drivers/staging/vt6655/wpactl.c      | 12 ++---
 16 files changed, 196 insertions(+), 198 deletions(-)

diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c
index 16d7db350bb..7a69490fc7e 100644
--- a/drivers/staging/vt6655/baseband.c
+++ b/drivers/staging/vt6655/baseband.c
@@ -2878,7 +2878,7 @@ BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
 
 void
 TimerSQ3CallBack (
-    IN  HANDLE      hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -2926,7 +2926,7 @@ TimerSQ3CallBack (
 
 void
 TimerState1CallBack (
-    IN  HANDLE      hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6655/baseband.h b/drivers/staging/vt6655/baseband.h
index de9b84acd6a..23f7ad151d1 100644
--- a/drivers/staging/vt6655/baseband.h
+++ b/drivers/staging/vt6655/baseband.h
@@ -162,12 +162,12 @@ void BBvExitDeepSleep(DWORD_PTR dwIoBase, BYTE byLocalID);
 
 void
 TimerSQ3CallBack (
-    IN  HANDLE      hDeviceContext
+    IN void *hDeviceContext
     );
 
 void
 TimerState1CallBack(
-    IN  HANDLE      hDeviceContext
+    IN void *hDeviceContext
     );
 
 void BBvAntennaDiversity(PSDevice pDevice, BYTE byRxRate, BYTE bySQ3);
diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c
index e7bbc56f0c8..3af0ccb25d0 100644
--- a/drivers/staging/vt6655/bssdb.c
+++ b/drivers/staging/vt6655/bssdb.c
@@ -91,18 +91,18 @@ const WORD             awHWRetry1[5][5] = {
 /*---------------------  Static Functions  --------------------------*/
 
 void s_vCheckSensitivity(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 #ifdef Calcu_LinkQual
 void s_uCalculateLinkQual(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 #endif
 
 
 void s_vCheckPreEDThreshold(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 /*---------------------  Export Variables  --------------------------*/
 
@@ -125,7 +125,7 @@ void s_vCheckPreEDThreshold(
 
 PKnownBSS
 BSSpSearchBSSList(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE pbyDesireBSSID,
     IN PBYTE pbyDesireSSID,
     IN CARD_PHY_TYPE  ePhyType
@@ -282,7 +282,7 @@ if(pDevice->bLinkPass==FALSE) pCurrBSS->bSelected = FALSE;
 
 void
 BSSvClearBSSList(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN BOOL bKeepCurrBSSID
     )
 {
@@ -325,7 +325,7 @@ BSSvClearBSSList(
 -*/
 PKnownBSS
 BSSpAddrIsInBSSList(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE abyBSSID,
     IN PWLAN_IE_SSID pSSID
     )
@@ -368,7 +368,7 @@ BSSpAddrIsInBSSList(
 
 BOOL
 BSSbInsertToBSSList (
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE abyBSSIDAddr,
     IN QWORD qwTimestamp,
     IN WORD wBeaconInterval,
@@ -384,7 +384,7 @@ BSSbInsertToBSSList (
     IN PWLAN_IE_QUIET pIE_Quiet,
     IN UINT uIELength,
     IN PBYTE pbyIEs,
-    IN HANDLE pRxPacketContext
+    IN void *pRxPacketContext
     )
 {
 
@@ -502,7 +502,7 @@ BSSbInsertToBSSList (
         if ((bIs802_1x == TRUE) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
             ( !memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
 
-            bAdd_PMKID_Candidate((HANDLE)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
+            bAdd_PMKID_Candidate((void *)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
 
             if ((pDevice->bLinkPass == TRUE) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
                 if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == TRUE) ||
@@ -585,7 +585,7 @@ BSSbInsertToBSSList (
 
 BOOL
 BSSbUpdateToBSSList (
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN QWORD qwTimestamp,
     IN WORD wBeaconInterval,
     IN WORD wCapInfo,
@@ -602,7 +602,7 @@ BSSbUpdateToBSSList (
     IN PKnownBSS pBSSList,
     IN UINT uIELength,
     IN PBYTE pbyIEs,
-    IN HANDLE pRxPacketContext
+    IN void *pRxPacketContext
     )
 {
     int             ii;
@@ -799,7 +799,7 @@ BSSDBbIsSTAInNodeDB(
 -*/
 void
 BSSvCreateOneNode(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     OUT PUINT puNodeIndex
     )
 {
@@ -864,7 +864,7 @@ BSSvCreateOneNode(
 -*/
 void
 BSSvRemoveOneNode(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN UINT uNodeIndex
     )
 {
@@ -897,7 +897,7 @@ BSSvRemoveOneNode(
 
 void
 BSSvUpdateAPNode(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PWORD pwCapInfo,
     IN PWLAN_IE_SUPP_RATES pSuppRates,
     IN PWLAN_IE_SUPP_RATES pExtSuppRates
@@ -960,7 +960,7 @@ BSSvUpdateAPNode(
 
 void
 BSSvAddMulticastNode(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -1013,7 +1013,7 @@ UINT status;
 #endif
 void
 BSSvSecondCallBack(
-    IN  HANDLE hDeviceContext
+    IN  void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1111,7 +1111,7 @@ start:
 }
 
 #ifdef Calcu_LinkQual
-   s_uCalculateLinkQual((HANDLE)pDevice);
+   s_uCalculateLinkQual((void *)pDevice);
 #endif
 
     for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
@@ -1261,18 +1261,18 @@ start:
         if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS
            // DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Callback inactive Count = [%d]\n", pMgmt->sNodeDBTable[0].uInActiveCount);
             //if (pDevice->bUpdateBBVGA) {
-            //  s_vCheckSensitivity((HANDLE) pDevice);
+            //  s_vCheckSensitivity((void *) pDevice);
             //}
 
             if (pDevice->bUpdateBBVGA) {
-               // s_vCheckSensitivity((HANDLE) pDevice);
-               s_vCheckPreEDThreshold((HANDLE)pDevice);
+               // s_vCheckSensitivity((void *) pDevice);
+               s_vCheckPreEDThreshold((void *)pDevice);
             }
 
     	    if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
     	        (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) ) {
     	        pDevice->byBBVGANew = pDevice->abyBBVGA[0];
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
+                bScheduleCommand((void *) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
     	    }
 
         	if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
@@ -1324,10 +1324,10 @@ start:
 	          pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
 
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
-                BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
+                BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
  	      pMgmt->eScanType = WMAC_SCAN_ACTIVE;
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
+                bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
+                bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
                 pDevice->uAutoReConnectTime = 0;
             }
         }
@@ -1342,16 +1342,16 @@ start:
             else {
                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scaning ...\n");
 	      pMgmt->eScanType = WMAC_SCAN_ACTIVE;
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
-                bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+                bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+                bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
                 pDevice->uAutoReConnectTime = 0;
             };
         }
         if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
 
             if (pDevice->bUpdateBBVGA) {
-               //s_vCheckSensitivity((HANDLE) pDevice);
-               s_vCheckPreEDThreshold((HANDLE)pDevice);
+               //s_vCheckSensitivity((void *) pDevice);
+               s_vCheckPreEDThreshold((void *)pDevice);
             }
         	if (pMgmt->sNodeDBTable[0].uInActiveCount >=ADHOC_LOST_BEACON_COUNT) {
         	    DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
@@ -1390,7 +1390,7 @@ start:
 
 void
 BSSvUpdateNodeTxCounter(
-    IN HANDLE      hDeviceContext,
+    IN void *hDeviceContext,
     IN BYTE        byTsr0,
     IN BYTE        byTsr1,
     IN PBYTE       pbyBuffer,
@@ -1503,7 +1503,7 @@ BSSvUpdateNodeTxCounter(
 
             pMACHeader = (PS802_11Header)(pbyBuffer + uFIFOHeaderSize);
 
-            if (BSSDBbIsSTAInNodeDB((HANDLE)pMgmt, &(pMACHeader->abyAddr1[0]), &uNodeIndex)){
+            if (BSSDBbIsSTAInNodeDB((void *)pMgmt, &(pMACHeader->abyAddr1[0]), &uNodeIndex)){
                 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
                 if ((byTsr1 & TSR1_TERR) == 0) {
                     // transmit success, TxAttempts at least plus one
@@ -1583,7 +1583,7 @@ BSSvUpdateNodeTxCounter(
 
 void
 BSSvClearNodeDBTable(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN UINT uStartIndex
     )
 
@@ -1611,7 +1611,7 @@ BSSvClearNodeDBTable(
 
 
 void s_vCheckSensitivity(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1649,7 +1649,7 @@ void s_vCheckSensitivity(
                 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
                     pDevice->uBBVGADiffCount++;
                     if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
-                        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
+                        bScheduleCommand((void *) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
                 } else {
                     pDevice->uBBVGADiffCount = 0;
                 }
@@ -1661,7 +1661,7 @@ void s_vCheckSensitivity(
 
 void
 BSSvClearAnyBSSJoinRecord (
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1676,7 +1676,7 @@ BSSvClearAnyBSSJoinRecord (
 
 #ifdef Calcu_LinkQual
 void s_uCalculateLinkQual(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
    PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1724,7 +1724,7 @@ else
 #endif
 
 void s_vCheckPreEDThreshold(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6655/bssdb.h b/drivers/staging/vt6655/bssdb.h
index 86a1f673290..a66e14f0a82 100644
--- a/drivers/staging/vt6655/bssdb.h
+++ b/drivers/staging/vt6655/bssdb.h
@@ -244,7 +244,7 @@ typedef struct tagKnownNodeDB {
 
 PKnownBSS
 BSSpSearchBSSList(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE pbyDesireBSSID,
     IN PBYTE pbyDesireSSID,
     IN CARD_PHY_TYPE ePhyType
@@ -252,20 +252,20 @@ BSSpSearchBSSList(
 
 PKnownBSS
 BSSpAddrIsInBSSList(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE abyBSSID,
     IN PWLAN_IE_SSID pSSID
     );
 
 void
 BSSvClearBSSList(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN BOOL bKeepCurrBSSID
     );
 
 BOOL
 BSSbInsertToBSSList(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE abyBSSIDAddr,
     IN QWORD qwTimestamp,
     IN WORD wBeaconInterval,
@@ -281,13 +281,13 @@ BSSbInsertToBSSList(
     IN PWLAN_IE_QUIET pIE_Quiet,
     IN UINT uIELength,
     IN PBYTE pbyIEs,
-    IN HANDLE pRxPacketContext
+    IN void *pRxPacketContext
     );
 
 
 BOOL
 BSSbUpdateToBSSList(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN QWORD qwTimestamp,
     IN WORD wBeaconInterval,
     IN WORD wCapInfo,
@@ -304,26 +304,26 @@ BSSbUpdateToBSSList(
     IN PKnownBSS pBSSList,
     IN UINT uIELength,
     IN PBYTE pbyIEs,
-    IN HANDLE pRxPacketContext
+    IN void *pRxPacketContext
     );
 
 
 BOOL
 BSSDBbIsSTAInNodeDB(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE abyDstAddr,
     OUT PUINT puNodeIndex
     );
 
 void
 BSSvCreateOneNode(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     OUT PUINT puNodeIndex
     );
 
 void
 BSSvUpdateAPNode(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PWORD pwCapInfo,
     IN PWLAN_IE_SUPP_RATES pItemRates,
     IN PWLAN_IE_SUPP_RATES pExtSuppRates
@@ -332,13 +332,13 @@ BSSvUpdateAPNode(
 
 void
 BSSvSecondCallBack(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 
 void
 BSSvUpdateNodeTxCounter(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN BYTE        byTsr0,
     IN BYTE        byTsr1,
     IN PBYTE       pbyBuffer,
@@ -347,25 +347,25 @@ BSSvUpdateNodeTxCounter(
 
 void
 BSSvRemoveOneNode(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN UINT uNodeIndex
     );
 
 void
 BSSvAddMulticastNode(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 
 void
 BSSvClearNodeDBTable(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN UINT uStartIndex
     );
 
 void
 BSSvClearAnyBSSJoinRecord(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 #endif //__BSSDB_H__
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index f690fc2c35c..454277b96ee 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -2011,11 +2011,11 @@ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "call MACvIntEnable\n");
 	MACvIntEnable(pDevice->PortOffset, IMR_MASK_VALUE);
 
     if (pDevice->pMgmt->eConfigMode == WMAC_CONFIG_AP) {
-        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RUN_AP, NULL);
+        bScheduleCommand((void *)pDevice, WLAN_CMD_RUN_AP, NULL);
 	}
 	else {
-        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_BSSID_SCAN, NULL);
-        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_SSID, NULL);
+        bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+        bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, NULL);
     }
     pDevice->flags |=DEVICE_FLAGS_OPENED;
 
@@ -2034,7 +2034,7 @@ static int  device_close(struct net_device *dev) {
 //PLICE_DEBUG<-
 //2007-1121-02<Add>by EinsnLiu
     if (pDevice->bLinkPass) {
-	bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
+	bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
         mdelay(30);
     }
 #ifdef TxInSleep
@@ -2860,7 +2860,7 @@ static  irqreturn_t  device_intr(int irq,  void *dev_instance) {
 
             pDevice->bBeaconSent = FALSE;
             if (pDevice->bEnablePSMode) {
-                PSbIsNextTBTTWakeUp((HANDLE)pDevice);
+                PSbIsNextTBTTWakeUp((void *)pDevice);
             };
 
             if ((pDevice->eOPMode == OP_MODE_AP) ||
@@ -2893,7 +2893,7 @@ static  irqreturn_t  device_intr(int irq,  void *dev_instance) {
                         // check if mutltcast tx bufferring
                         pMgmt->byDTIMCount = pMgmt->byDTIMPeriod - 1;
                         pMgmt->sNodeDBTable[0].bRxPSPoll = TRUE;
-                        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+                        bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
                     }
                 }
             }
@@ -3549,7 +3549,7 @@ static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) {
        if (pMgmt->eConfigMode == WMAC_CONFIG_AP) {
            netif_stop_queue(pDevice->dev);
            spin_lock_irq(&pDevice->lock);
-           bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RUN_AP, NULL);
+           bScheduleCommand((void *)pDevice, WLAN_CMD_RUN_AP, NULL);
            spin_unlock_irq(&pDevice->lock);
        }
        else {
@@ -3563,8 +3563,8 @@ static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) {
 	      pMgmt->eScanType = WMAC_SCAN_ACTIVE;
 	 if(pDevice->bWPASuppWextEnabled !=TRUE)
 	 #endif
-           bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-           bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+           bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
+           bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
            spin_unlock_irq(&pDevice->lock);
       }
       pDevice->bCommit = FALSE;
@@ -3719,9 +3719,9 @@ viawget_resume(struct pci_dev *pcid)
         init_timer(&pMgmt->sTimerSecondCallback);
         init_timer(&pDevice->sTimerCommand);
         MACvIntEnable(pDevice->PortOffset, IMR_MASK_VALUE);
-        BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+        BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
+        bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+        bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
         spin_unlock_irq(&pDevice->lock);
     }
     return 0;
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index ab13bdfc51b..d90104a1e6b 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -631,13 +631,13 @@ device_receive_frame (
 		tasklet_schedule(&pDevice->RxMngWorkItem);
 #else
 //printk("RxMan\n");
-	vMgrRxManagePacket((HANDLE)pDevice, pDevice->pMgmt, pRxPacket);
+	vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
            //tasklet_schedule(&pDevice->RxMngWorkItem);
 #endif
 
 #endif
 //PLICE_DEBUG<-
-			//vMgrRxManagePacket((HANDLE)pDevice, pDevice->pMgmt, pRxPacket);
+			//vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
             // hostap Deamon handle 802.11 management
             if (pDevice->bEnableHostapd) {
 	            skb->dev = pDevice->apdev;
@@ -1087,7 +1087,7 @@ static BOOL s_bAPModeRxCtl (
                     // delcare received ps-poll event
                     if (IS_CTL_PSPOLL(pbyFrame)) {
                         pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
-                        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+                        bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
                     }
                     else {
@@ -1096,7 +1096,7 @@ static BOOL s_bAPModeRxCtl (
                         if (!IS_FC_POWERMGT(pbyFrame)) {
                             pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE;
                             pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
-                            bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+                            bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
                             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
                         }
                     }
@@ -1112,7 +1112,7 @@ static BOOL s_bAPModeRxCtl (
                       if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
                           pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE;
                           pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
-                          bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+                          bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
                          DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
 
                       }
diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c
index 86439bb629f..1bd819946b8 100644
--- a/drivers/staging/vt6655/ioctl.c
+++ b/drivers/staging/vt6655/ioctl.c
@@ -109,14 +109,14 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
         }
         spin_lock_irq(&pDevice->lock);
         if (memcmp(pMgmt->abyCurrBSSID, &abyNullAddr[0], 6) == 0)
-            BSSvClearBSSList((HANDLE)pDevice, FALSE);
+            BSSvClearBSSList((void *)pDevice, FALSE);
         else
-            BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
+            BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
 
         if (pItemSSID->len != 0)
-            bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
+            bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
         else
-            bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+            bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
         spin_unlock_irq(&pDevice->lock);
         break;
 
@@ -223,8 +223,8 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
         netif_stop_queue(pDevice->dev);
         spin_lock_irq(&pDevice->lock);
         pMgmt->eCurrState = WMAC_STATE_IDLE;
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+        bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
+        bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
         spin_unlock_irq(&pDevice->lock);
         break;
 
@@ -593,7 +593,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 
         netif_stop_queue(pDevice->dev);
         spin_lock_irq(&pDevice->lock);
-        bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RUN_AP, NULL);
+        bScheduleCommand((void *)pDevice, WLAN_CMD_RUN_AP, NULL);
         spin_unlock_irq(&pDevice->lock);
         break;
 
diff --git a/drivers/staging/vt6655/iwctl.c b/drivers/staging/vt6655/iwctl.c
index 7fa5842238b..cf69034fc0f 100644
--- a/drivers/staging/vt6655/iwctl.c
+++ b/drivers/staging/vt6655/iwctl.c
@@ -190,7 +190,7 @@ if(pDevice->byReAssocCount > 0) {   //reject scan when re-associating!
 }
 
 	spin_lock_irq(&pDevice->lock);
-	 BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
+	 BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
 
 //mike add: active scan OR passive scan OR desire_ssid scan
  if(wrq->length == sizeof(struct iw_scan_req)) {
@@ -208,7 +208,7 @@ if(pDevice->byReAssocCount > 0) {   //reject scan when re-associating!
 	  pMgmt->eScanType = WMAC_SCAN_PASSIVE;
          PRINT_K("SIOCSIWSCAN:[desired_ssid=%s,len=%d]\n",((PWLAN_IE_SSID)abyScanSSID)->abySSID,
 		 	                                                                                ((PWLAN_IE_SSID)abyScanSSID)->len);
-	bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
 	spin_unlock_irq(&pDevice->lock);
 
 	return 0;
@@ -223,7 +223,7 @@ if(pDevice->byReAssocCount > 0) {   //reject scan when re-associating!
 
 	 pMgmt->eScanType = WMAC_SCAN_PASSIVE;
           //printk("SIOCSIWSCAN:WLAN_CMD_BSSID_SCAN\n");
-	bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+	bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
 	spin_unlock_irq(&pDevice->lock);
 
 	return 0;
@@ -897,10 +897,10 @@ if (pMgmt->eScanState ==  WMAC_IS_SCANNING) {
 
             if (pCurr == NULL){
                PRINT_K("SIOCSIWESSID:hidden ssid site survey before associate.......\n");
-	      vResetCommandTimer((HANDLE) pDevice);
+	      vResetCommandTimer((void *) pDevice);
 	      pMgmt->eScanType = WMAC_SCAN_ACTIVE;
-               bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-	      bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
+               bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
+	      bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
           }
 	 else {  //mike:to find out if that desired SSID is a hidden-ssid AP ,
                      //         by means of judging if there are two same BSSID exist in list ?
@@ -912,10 +912,10 @@ if (pMgmt->eScanState ==  WMAC_IS_SCANNING) {
                   }
 	     if(uSameBssidNum >= 2) {  //hit: desired AP is in hidden ssid mode!!!
                  printk("SIOCSIWESSID:hidden ssid directly associate.......\n");
-	        vResetCommandTimer((HANDLE) pDevice);
+	        vResetCommandTimer((void *) pDevice);
 	        pMgmt->eScanType = WMAC_SCAN_PASSIVE;          //this scan type,you'll submit scan result!
-	        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
-	        bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
+	        bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
+	        bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
 	     }
 	 }
         }
@@ -1660,11 +1660,11 @@ int iwctl_siwpower(struct net_device *dev,
 	}
 	if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
          pDevice->ePSMode = WMAC_POWER_FAST;
-         PSvEnablePowerSaving((HANDLE)pDevice, pMgmt->wListenInterval);
+         PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval);
 
 	} else if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
 	     pDevice->ePSMode = WMAC_POWER_FAST;
-         PSvEnablePowerSaving((HANDLE)pDevice, pMgmt->wListenInterval);
+         PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval);
 	}
 	switch (wrq->flags & IW_POWER_MODE) {
 	case IW_POWER_UNICAST_R:
@@ -2096,7 +2096,7 @@ int iwctl_siwmlme(struct net_device *dev,
 	switch(mlme->cmd){
 	case IW_MLME_DEAUTH:
 		//this command seems to be not complete,please test it --einsnliu
-		//bScheduleCommand((HANDLE) pDevice, WLAN_CMD_DEAUTH, (PBYTE)&reason);
+		//bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (PBYTE)&reason);
 		break;
 	case IW_MLME_DISASSOC:
 		if(pDevice->bLinkPass == TRUE){
@@ -2104,7 +2104,7 @@ int iwctl_siwmlme(struct net_device *dev,
 		  //clear related flags
 		   memset(pMgmt->abyDesireBSSID, 0xFF,6);
 		KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
-			bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
+			bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
 		}
 		break;
 	default:
diff --git a/drivers/staging/vt6655/power.c b/drivers/staging/vt6655/power.c
index a28d03762e4..166e7fb638c 100644
--- a/drivers/staging/vt6655/power.c
+++ b/drivers/staging/vt6655/power.c
@@ -76,7 +76,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
 
 void
 PSvEnablePowerSaving(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN WORD wListenInterval
     )
 {
@@ -146,7 +146,7 @@ PSvEnablePowerSaving(
 
 void
 PSvDisablePowerSaving(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -184,7 +184,7 @@ PSvDisablePowerSaving(
 
 BOOL
 PSbConsiderPowerDown(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN BOOL bCheckRxDMA,
     IN BOOL bCheckCountToWakeUp
     )
@@ -252,7 +252,7 @@ PSbConsiderPowerDown(
 
 void
 PSvSendPSPOLL(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -298,7 +298,7 @@ PSvSendPSPOLL(
 -*/
 BOOL
 PSbSendNullPacket(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -384,7 +384,7 @@ PSbSendNullPacket(
 
 BOOL
 PSbIsNextTBTTWakeUp(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
 
diff --git a/drivers/staging/vt6655/power.h b/drivers/staging/vt6655/power.h
index bac8b200d54..769e0d1acd2 100644
--- a/drivers/staging/vt6655/power.h
+++ b/drivers/staging/vt6655/power.h
@@ -50,35 +50,35 @@
 
 BOOL
 PSbConsiderPowerDown(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN BOOL bCheckRxDMA,
     IN BOOL bCheckCountToWakeUp
     );
 
 void
 PSvDisablePowerSaving(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 void
 PSvEnablePowerSaving(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN WORD wListenInterval
     );
 
 void
 PSvSendPSPOLL(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 BOOL
 PSbSendNullPacket(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 BOOL
 PSbIsNextTBTTWakeUp(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 #endif //__POWER_H__
diff --git a/drivers/staging/vt6655/ttype.h b/drivers/staging/vt6655/ttype.h
index b71fe591005..b2dff3a7b77 100644
--- a/drivers/staging/vt6655/ttype.h
+++ b/drivers/staging/vt6655/ttype.h
@@ -132,6 +132,4 @@ typedef DWORD *          PDWORD;
 
 typedef QWORD *          PQWORD;
 
-typedef void *HANDLE;
-
 #endif // __TTYPE_H__
diff --git a/drivers/staging/vt6655/wcmd.c b/drivers/staging/vt6655/wcmd.c
index ec1036e983d..6e460409f98 100644
--- a/drivers/staging/vt6655/wcmd.c
+++ b/drivers/staging/vt6655/wcmd.c
@@ -319,7 +319,7 @@ s_MgrMakeProbeRequest(
 
 void
 vCommandTimerWait(
-    IN HANDLE    hDeviceContext,
+    IN void *hDeviceContext,
     IN UINT MSecond
     )
 {
@@ -339,7 +339,7 @@ vCommandTimerWait(
 
 void
 vCommandTimer (
-    IN  HANDLE      hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -382,7 +382,7 @@ vCommandTimer (
             // wait all Data TD complete
             if (pDevice->iTDUsed[TYPE_AC0DMA] != 0){
                 spin_unlock_irq(&pDevice->lock);
-                vCommandTimerWait((HANDLE)pDevice, 10);
+                vCommandTimerWait((void *)pDevice, 10);
                 return;
             };
 
@@ -424,7 +424,7 @@ vCommandTimer (
                     pMgmt->abyScanBSSID[5] = 0xFF;
                     pItemSSID->byElementID = WLAN_EID_SSID;
                     // clear bssid list
-                    // BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
+                    // BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
                     pMgmt->eScanState = WMAC_IS_SCANNING;
 
                 }
@@ -453,11 +453,11 @@ vCommandTimer (
                     (pMgmt->uScanChannel < CB_MAX_CHANNEL_24G)) {
                     s_vProbeChannel(pDevice);
                     spin_unlock_irq(&pDevice->lock);
-                    vCommandTimerWait((HANDLE)pDevice, WCMD_ACTIVE_SCAN_TIME);
+                    vCommandTimerWait((void *)pDevice, WCMD_ACTIVE_SCAN_TIME);
                     return;
                 } else {
                     spin_unlock_irq(&pDevice->lock);
-                    vCommandTimerWait((HANDLE)pDevice, WCMD_PASSIVE_SCAN_TIME);
+                    vCommandTimerWait((void *)pDevice, WCMD_PASSIVE_SCAN_TIME);
                     return;
                 }
 
@@ -501,7 +501,7 @@ vCommandTimer (
             } else {
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Send Disassociation Packet..\n");
                 // reason = 8 : disassoc because sta has left
-                vMgrDisassocBeginSta((HANDLE)pDevice, pMgmt, pMgmt->abyCurrBSSID, (8), &Status);
+                vMgrDisassocBeginSta((void *)pDevice, pMgmt, pMgmt->abyCurrBSSID, (8), &Status);
                 pDevice->bLinkPass = FALSE;
                 // unlock command busy
                 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
@@ -515,7 +515,7 @@ vCommandTimer (
             pDevice->eCommandState = WLAN_DISASSOCIATE_WAIT;
             // wait all Control TD complete
             if (pDevice->iTDUsed[TYPE_TXDMA0] != 0){
-                vCommandTimerWait((HANDLE)pDevice, 10);
+                vCommandTimerWait((void *)pDevice, 10);
                 spin_unlock_irq(&pDevice->lock);
                 return;
             };
@@ -528,7 +528,7 @@ vCommandTimer (
         case WLAN_DISASSOCIATE_WAIT :
             // wait all Control TD complete
             if (pDevice->iTDUsed[TYPE_TXDMA0] != 0){
-                vCommandTimerWait((HANDLE)pDevice, 10);
+                vCommandTimerWait((void *)pDevice, 10);
                 spin_unlock_irq(&pDevice->lock);
                 return;
             };
@@ -578,24 +578,24 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
             // set initial state
             pMgmt->eCurrState = WMAC_STATE_IDLE;
             pMgmt->eCurrMode = WMAC_MODE_STANDBY;
-            PSvDisablePowerSaving((HANDLE)pDevice);
+            PSvDisablePowerSaving((void *)pDevice);
             BSSvClearNodeDBTable(pDevice, 0);
 
-            vMgrJoinBSSBegin((HANDLE)pDevice, &Status);
+            vMgrJoinBSSBegin((void *)pDevice, &Status);
             // if Infra mode
             if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED)) {
 
 		// Call mgr to begin the deauthentication
                 // reason = (3) beacuse sta has left ESS
                 if (pMgmt->eCurrState>= WMAC_STATE_AUTH) {
-                    vMgrDeAuthenBeginSta((HANDLE)pDevice, pMgmt, pMgmt->abyCurrBSSID, (3), &Status);
+                    vMgrDeAuthenBeginSta((void *)pDevice, pMgmt, pMgmt->abyCurrBSSID, (3), &Status);
                 }
                 // Call mgr to begin the authentication
-                vMgrAuthenBeginSta((HANDLE)pDevice, pMgmt, &Status);
+                vMgrAuthenBeginSta((void *)pDevice, pMgmt, &Status);
                 if (Status == CMD_STATUS_SUCCESS) {
 		pDevice->byLinkWaitCount = 0;
                     pDevice->eCommandState = WLAN_AUTHENTICATE_WAIT;
-                    vCommandTimerWait((HANDLE)pDevice, AUTHENTICATE_TIMEOUT);
+                    vCommandTimerWait((void *)pDevice, AUTHENTICATE_TIMEOUT);
                     spin_unlock_irq(&pDevice->lock);
                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" Set eCommandState = WLAN_AUTHENTICATE_WAIT\n");
                     return;
@@ -615,7 +615,7 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
                 }
                 else {
                     // start own IBSS
-                    vMgrCreateOwnIBSS((HANDLE)pDevice, &Status);
+                    vMgrCreateOwnIBSS((void *)pDevice, &Status);
                     if (Status != CMD_STATUS_SUCCESS){
                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " WLAN_CMD_IBSS_CREATE fail ! \n");
                     };
@@ -627,7 +627,7 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
                 if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA ||
                     pMgmt->eConfigMode == WMAC_CONFIG_AUTO) {
                     // start own IBSS
-                    vMgrCreateOwnIBSS((HANDLE)pDevice, &Status);
+                    vMgrCreateOwnIBSS((void *)pDevice, &Status);
                     if (Status != CMD_STATUS_SUCCESS){
                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" WLAN_CMD_IBSS_CREATE fail ! \n");
                     };
@@ -661,12 +661,12 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
                 // Call mgr to begin the association
                 	pDevice->byLinkWaitCount = 0;
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"eCurrState == WMAC_STATE_AUTH\n");
-                vMgrAssocBeginSta((HANDLE)pDevice, pMgmt, &Status);
+                vMgrAssocBeginSta((void *)pDevice, pMgmt, &Status);
                 if (Status == CMD_STATUS_SUCCESS) {
 		pDevice->byLinkWaitCount = 0;
                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"eCommandState = WLAN_ASSOCIATE_WAIT\n");
                     pDevice->eCommandState = WLAN_ASSOCIATE_WAIT;
-                    vCommandTimerWait((HANDLE)pDevice, ASSOCIATE_TIMEOUT);
+                    vCommandTimerWait((void *)pDevice, ASSOCIATE_TIMEOUT);
                     spin_unlock_irq(&pDevice->lock);
                     return;
                 }
@@ -679,7 +679,7 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
                 pDevice->byLinkWaitCount ++;
 	       printk("WLAN_AUTHENTICATE_WAIT:wait %d times!!\n",pDevice->byLinkWaitCount);
 	       spin_unlock_irq(&pDevice->lock);
-	       vCommandTimerWait((HANDLE)pDevice, AUTHENTICATE_TIMEOUT/2);
+	       vCommandTimerWait((void *)pDevice, AUTHENTICATE_TIMEOUT/2);
 	       return;
 	   }
 	          pDevice->byLinkWaitCount = 0;
@@ -702,7 +702,7 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
             if (pMgmt->eCurrState == WMAC_STATE_ASSOC) {
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"eCurrState == WMAC_STATE_ASSOC\n");
                 if (pDevice->ePSMode != WMAC_POWER_CAM) {
-                    PSvEnablePowerSaving((HANDLE)pDevice, pMgmt->wListenInterval);
+                    PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval);
                 }
                 if (pMgmt->eAuthenMode >= WMAC_AUTH_WPA) {
                     KeybRemoveAllKey(&(pDevice->sKey), pDevice->abyBSSID, pDevice->PortOffset);
@@ -743,7 +743,7 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
                 pDevice->byLinkWaitCount ++;
 	       printk("WLAN_ASSOCIATE_WAIT:wait %d times!!\n",pDevice->byLinkWaitCount);
 	       spin_unlock_irq(&pDevice->lock);
-	       vCommandTimerWait((HANDLE)pDevice, ASSOCIATE_TIMEOUT/2);
+	       vCommandTimerWait((void *)pDevice, ASSOCIATE_TIMEOUT/2);
 	       return;
 	   }
 	          pDevice->byLinkWaitCount = 0;
@@ -779,7 +779,7 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
                 pMgmt->eCurrState = WMAC_STATE_IDLE;
                 pDevice->bFixRate = FALSE;
 
-                vMgrCreateOwnIBSS((HANDLE)pDevice, &Status);
+                vMgrCreateOwnIBSS((void *)pDevice, &Status);
                 if (Status != CMD_STATUS_SUCCESS){
                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " vMgrCreateOwnIBSS fail ! \n");
                 };
@@ -869,12 +869,12 @@ printk("chester-abyDesireSSID=%s\n",((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySS
             //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"eCommandState == WLAN_CMD_CHECK_BBSENSITIVITY_START\n");
             // wait all TD complete
             if (pDevice->iTDUsed[TYPE_AC0DMA] != 0){
-                vCommandTimerWait((HANDLE)pDevice, 10);
+                vCommandTimerWait((void *)pDevice, 10);
                 spin_unlock_irq(&pDevice->lock);
                 return;
             }
             if (pDevice->iTDUsed[TYPE_TXDMA0] != 0){
-                vCommandTimerWait((HANDLE)pDevice, 10);
+                vCommandTimerWait((void *)pDevice, 10);
                 spin_unlock_irq(&pDevice->lock);
                 return;
             }
@@ -971,7 +971,7 @@ s_bCommandComplete (
 
         }
 
-        vCommandTimerWait((HANDLE)pDevice, 0);
+        vCommandTimerWait((void *)pDevice, 0);
     }
 
     return TRUE;
@@ -980,7 +980,7 @@ s_bCommandComplete (
 
 
 BOOL bScheduleCommand (
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN CMD_CODE    eCommand,
     IN PBYTE       pbyItem0
     )
@@ -1061,7 +1061,7 @@ BOOL bScheduleCommand (
  *
  */
 BOOL bClearBSSID_SCAN (
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1083,7 +1083,7 @@ BOOL bClearBSSID_SCAN (
 //mike add:reset command timer
 void
 vResetCommandTimer(
-    IN HANDLE      hDeviceContext
+    IN void *hDeviceContext
     )
 {
   PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1107,7 +1107,7 @@ vResetCommandTimer(
 #ifdef TxInSleep
 void
 BSSvSecondTxData(
-    IN  HANDLE      hDeviceContext
+    IN void *hDeviceContext
     )
 {
   PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6655/wcmd.h b/drivers/staging/vt6655/wcmd.h
index 1e816696201..67b08f61edc 100644
--- a/drivers/staging/vt6655/wcmd.h
+++ b/drivers/staging/vt6655/wcmd.h
@@ -111,34 +111,34 @@ typedef enum tagCMD_STATE {
 /*---------------------  Export Functions  --------------------------*/
 void
 vResetCommandTimer(
-    IN HANDLE      hDeviceContext
+    IN void *hDeviceContext
     );
 
 void
 vCommandTimer (
-    IN  HANDLE hDeviceContext
+    IN  void *hDeviceContext
     );
 
 BOOL bClearBSSID_SCAN(
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 BOOL
 bScheduleCommand(
-    IN HANDLE      hDeviceContext,
+    IN void *hDeviceContext,
     IN CMD_CODE    eCommand,
     IN PBYTE       pbyItem0
     );
 
 void
 vCommandTimerWait(
-    IN HANDLE      hDeviceContext,
+    IN void *hDeviceContext,
     IN UINT MSecond
     );
 #ifdef TxInSleep
 void
 BSSvSecondTxData(
-    IN  HANDLE      hDeviceContext
+    IN void *hDeviceContext
     );
 #endif
 
diff --git a/drivers/staging/vt6655/wmgr.c b/drivers/staging/vt6655/wmgr.c
index ed5342ba261..614850a7b91 100644
--- a/drivers/staging/vt6655/wmgr.c
+++ b/drivers/staging/vt6655/wmgr.c
@@ -349,7 +349,7 @@ s_bCipherMatch (
 
 void
 vMgrObjectInit(
-    IN  HANDLE hDeviceContext
+    IN  void *hDeviceContext
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -368,7 +368,7 @@ vMgrObjectInit(
     pMgmt->byCSSPK = KEY_CTL_NONE;
     pMgmt->byCSSGK = KEY_CTL_NONE;
     pMgmt->wIBSSBeaconPeriod = DEFAULT_IBSS_BI;
-    BSSvClearBSSList((HANDLE)pDevice, FALSE);
+    BSSvClearBSSList((void *)pDevice, FALSE);
 
     return;
 }
@@ -385,7 +385,7 @@ vMgrObjectInit(
 
 void
 vMgrTimerInit(
-    IN  HANDLE hDeviceContext
+    IN  void *hDeviceContext
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -433,7 +433,7 @@ vMgrTimerInit(
 
 void
 vMgrObjectReset(
-    IN  HANDLE hDeviceContext
+    IN  void *hDeviceContext
     )
 {
     PSDevice         pDevice = (PSDevice)hDeviceContext;
@@ -462,7 +462,7 @@ vMgrObjectReset(
 
 void
 vMgrAssocBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     )
@@ -538,7 +538,7 @@ vMgrAssocBeginSta(
 
 void
 vMgrReAssocBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     )
@@ -617,7 +617,7 @@ vMgrReAssocBeginSta(
 
 void
 vMgrDisassocBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt,
     IN  PBYTE  abyDestAddress,
     IN  WORD    wReason,
@@ -1041,7 +1041,7 @@ s_vMgrRxAssocResponse(
             };
             DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Association Successful, AID=%d.\n", pMgmt->wCurrAID & ~(BIT14|BIT15));
             pMgmt->eCurrState = WMAC_STATE_ASSOC;
-            BSSvUpdateAPNode((HANDLE)pDevice, sFrame.pwCapInfo, sFrame.pSuppRates, sFrame.pExtSuppRates);
+            BSSvUpdateAPNode((void *)pDevice, sFrame.pwCapInfo, sFrame.pSuppRates, sFrame.pExtSuppRates);
             pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
             DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Link with AP(SSID): %s\n", pItemSSID->abySSID);
             pDevice->bLinkPass = TRUE;
@@ -1152,7 +1152,7 @@ if(pMgmt->eCurrState == WMAC_STATE_ASSOC)
 
 void
 vMgrAuthenBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject  pMgmt,
     OUT PCMD_STATUS pStatus
     )
@@ -1210,7 +1210,7 @@ vMgrAuthenBeginSta(
 
 void
 vMgrDeAuthenBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject  pMgmt,
     IN  PBYTE  abyDestAddress,
     IN  WORD    wReason,
@@ -1455,7 +1455,7 @@ s_vMgrRxAuthenSequence_2(
             }
             if (pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT ) {
 //                spin_unlock_irq(&pDevice->lock);
-//                vCommandTimerWait((HANDLE)pDevice, 0);
+//                vCommandTimerWait((void *)pDevice, 0);
 //                spin_lock_irq(&pDevice->lock);
             }
 
@@ -1502,7 +1502,7 @@ s_vMgrRxAuthenSequence_2(
             	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:rx Auth_reply sequence_2 status error ...\n");
                 if ( pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT ) {
 //                    spin_unlock_irq(&pDevice->lock);
-//                    vCommandTimerWait((HANDLE)pDevice, 0);
+//                    vCommandTimerWait((void *)pDevice, 0);
 //                    spin_lock_irq(&pDevice->lock);
                 }
                 s_vMgrLogStatus(pMgmt, cpu_to_le16((*(pFrame->pwStatus))));
@@ -1640,7 +1640,7 @@ s_vMgrRxAuthenSequence_4(
 
     if ( pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT ) {
 //        spin_unlock_irq(&pDevice->lock);
-//        vCommandTimerWait((HANDLE)pDevice, 0);
+//        vCommandTimerWait((void *)pDevice, 0);
 //        spin_lock_irq(&pDevice->lock);
     }
 
@@ -1943,10 +1943,10 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
         sERP.byERP = 0;
     }
 
-    pBSSList = BSSpAddrIsInBSSList((HANDLE)pDevice, sFrame.pHdr->sA3.abyAddr3, sFrame.pSSID);
+    pBSSList = BSSpAddrIsInBSSList((void *)pDevice, sFrame.pHdr->sA3.abyAddr3, sFrame.pSSID);
     if (pBSSList == NULL) {
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Beacon/insert: RxChannel = : %d\n", byCurrChannel);
-        BSSbInsertToBSSList((HANDLE)pDevice,
+        BSSbInsertToBSSList((void *)pDevice,
                             sFrame.pHdr->sA3.abyAddr3,
                             *sFrame.pqwTimestamp,
                             *sFrame.pwBeaconInterval,
@@ -1962,12 +1962,12 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                             sFrame.pIE_Quiet,
                             sFrame.len - WLAN_HDR_ADDR3_LEN,
                             sFrame.pHdr->sA4.abyAddr4,   // payload of beacon
-                            (HANDLE)pRxPacket
+                            (void *)pRxPacket
                            );
     }
     else {
 //        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"update bcn: RxChannel = : %d\n", byCurrChannel);
-        BSSbUpdateToBSSList((HANDLE)pDevice,
+        BSSbUpdateToBSSList((void *)pDevice,
                             *sFrame.pqwTimestamp,
                             *sFrame.pwBeaconInterval,
                             *sFrame.pwCapInfo,
@@ -1984,7 +1984,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                             pBSSList,
                             sFrame.len - WLAN_HDR_ADDR3_LEN,
                             sFrame.pHdr->sA4.abyAddr4,   // payload of probresponse
-                            (HANDLE)pRxPacket
+                            (void *)pRxPacket
                            );
 
     }
@@ -2353,7 +2353,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                      // set highest basic rate
                      // s_vSetHighestBasicRate(pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates);
                      // Prepare beacon frame
-                     bMgrPrepareBeaconToSend((HANDLE)pDevice, pMgmt);
+                     bMgrPrepareBeaconToSend((void *)pDevice, pMgmt);
               //  }
             };
         }
@@ -2386,7 +2386,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 -*/
 void
 vMgrCreateOwnIBSS(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -2629,7 +2629,7 @@ vMgrCreateOwnIBSS(
 
     pMgmt->eCurrState = WMAC_STATE_STARTED;
     // Prepare beacon to send
-    if (bMgrPrepareBeaconToSend((HANDLE)pDevice, pMgmt)) {
+    if (bMgrPrepareBeaconToSend((void *)pDevice, pMgmt)) {
         *pStatus = CMD_STATUS_SUCCESS;
     }
 
@@ -2653,7 +2653,7 @@ vMgrCreateOwnIBSS(
 
 void
 vMgrJoinBSSBegin(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -2802,12 +2802,12 @@ vMgrJoinBSSBegin(
             // Add current BSS to Candidate list
             // This should only works for WPA2 BSS, and WPA2 BSS check must be done before.
             if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) {
-                BOOL bResult = bAdd_PMKID_Candidate((HANDLE)pDevice, pMgmt->abyCurrBSSID, &pCurr->sRSNCapObj);
+                BOOL bResult = bAdd_PMKID_Candidate((void *)pDevice, pMgmt->abyCurrBSSID, &pCurr->sRSNCapObj);
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"bAdd_PMKID_Candidate: 1(%d)\n", bResult);
                 if (bResult == FALSE) {
-                    vFlush_PMKID_Candidate((HANDLE)pDevice);
+                    vFlush_PMKID_Candidate((void *)pDevice);
                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFlush_PMKID_Candidate: 4\n");
-                    bAdd_PMKID_Candidate((HANDLE)pDevice, pMgmt->abyCurrBSSID, &pCurr->sRSNCapObj);
+                    bAdd_PMKID_Candidate((void *)pDevice, pMgmt->abyCurrBSSID, &pCurr->sRSNCapObj);
                 }
             }
 
@@ -2898,7 +2898,7 @@ vMgrJoinBSSBegin(
             // and if registry setting is short preamble we can turn on too.
 
             // Prepare beacon
-            bMgrPrepareBeaconToSend((HANDLE)pDevice, pMgmt);
+            bMgrPrepareBeaconToSend((void *)pDevice, pMgmt);
         }
         else {
             pMgmt->eCurrState = WMAC_STATE_IDLE;
@@ -4378,9 +4378,9 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 
 
     // update or insert the bss
-    pBSSList = BSSpAddrIsInBSSList((HANDLE)pDevice, sFrame.pHdr->sA3.abyAddr3, sFrame.pSSID);
+    pBSSList = BSSpAddrIsInBSSList((void *)pDevice, sFrame.pHdr->sA3.abyAddr3, sFrame.pSSID);
     if (pBSSList) {
-        BSSbUpdateToBSSList((HANDLE)pDevice,
+        BSSbUpdateToBSSList((void *)pDevice,
                             *sFrame.pqwTimestamp,
                             *sFrame.pwBeaconInterval,
                             *sFrame.pwCapInfo,
@@ -4397,12 +4397,12 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                             pBSSList,
                             sFrame.len - WLAN_HDR_ADDR3_LEN,
                             sFrame.pHdr->sA4.abyAddr4,   // payload of probresponse
-                            (HANDLE)pRxPacket
+                            (void *)pRxPacket
                            );
     }
     else {
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Probe resp/insert: RxChannel = : %d\n", byCurrChannel);
-        BSSbInsertToBSSList((HANDLE)pDevice,
+        BSSbInsertToBSSList((void *)pDevice,
                             sFrame.pHdr->sA3.abyAddr3,
                             *sFrame.pqwTimestamp,
                             *sFrame.pwBeaconInterval,
@@ -4418,7 +4418,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
                             sFrame.pIE_Quiet,
                             sFrame.len - WLAN_HDR_ADDR3_LEN,
                             sFrame.pHdr->sA4.abyAddr4,   // payload of beacon
-                            (HANDLE)pRxPacket
+                            (void *)pRxPacket
                            );
     }
     return;
@@ -4536,7 +4536,7 @@ s_vMgrRxProbeRequest(
 
 void
 vMgrRxManagePacket(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN PSMgmtObject pMgmt,
     IN PSRxMgmtPacket pRxPacket
      )
@@ -4685,7 +4685,7 @@ vMgrRxManagePacket(
 -*/
 BOOL
 bMgrPrepareBeaconToSend(
-    IN HANDLE hDeviceContext,
+    IN void *hDeviceContext,
     IN PSMgmtObject pMgmt
     )
 {
@@ -4809,7 +4809,7 @@ s_vMgrLogStatus(
 -*/
 BOOL
 bAdd_PMKID_Candidate (
-    IN HANDLE    hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE          pbyBSSID,
     IN PSRSNCapObject psRSNCapObj
     )
@@ -4870,7 +4870,7 @@ bAdd_PMKID_Candidate (
 -*/
 void
 vFlush_PMKID_Candidate (
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6655/wmgr.h b/drivers/staging/vt6655/wmgr.h
index 5eabc199c02..cee86028181 100644
--- a/drivers/staging/vt6655/wmgr.h
+++ b/drivers/staging/vt6655/wmgr.h
@@ -401,36 +401,36 @@ typedef struct tagSMgmtObject
 
 void
 vMgrObjectInit(
-    IN  HANDLE hDeviceContext
+    IN  void *hDeviceContext
     );
 
 void
 vMgrTimerInit(
-    IN  HANDLE hDeviceContext
+    IN  void *hDeviceContext
     );
 
 void
 vMgrObjectReset(
-    IN  HANDLE hDeviceContext
+    IN  void *hDeviceContext
     );
 
 void
 vMgrAssocBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrReAssocBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrDisassocBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt,
     IN  PBYTE  abyDestAddress,
     IN  WORD    wReason,
@@ -439,26 +439,26 @@ vMgrDisassocBeginSta(
 
 void
 vMgrAuthenBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrCreateOwnIBSS(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrJoinBSSBegin(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrRxManagePacket(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt,
     IN  PSRxMgmtPacket pRxPacket
     );
@@ -466,14 +466,14 @@ vMgrRxManagePacket(
 /*
 void
 vMgrScanBegin(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 */
 
 void
 vMgrDeAuthenBeginSta(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject  pMgmt,
     IN  PBYTE   abyDestAddress,
     IN  WORD    wReason,
@@ -482,21 +482,21 @@ vMgrDeAuthenBeginSta(
 
 BOOL
 bMgrPrepareBeaconToSend(
-    IN  HANDLE hDeviceContext,
+    IN  void *hDeviceContext,
     IN  PSMgmtObject pMgmt
     );
 
 
 BOOL
 bAdd_PMKID_Candidate (
-    IN HANDLE    hDeviceContext,
+    IN void *hDeviceContext,
     IN PBYTE          pbyBSSID,
     IN PSRSNCapObject psRSNCapObj
     );
 
 void
 vFlush_PMKID_Candidate (
-    IN HANDLE hDeviceContext
+    IN void *hDeviceContext
     );
 
 #endif // __WMGR_H__
diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c
index 4e886c16209..e5e618eb6bb 100644
--- a/drivers/staging/vt6655/wpactl.c
+++ b/drivers/staging/vt6655/wpactl.c
@@ -496,7 +496,7 @@ static int wpa_set_disassociate(PSDevice pDevice,
     spin_lock_irq(&pDevice->lock);
     if (pDevice->bLinkPass) {
         if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
-            bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
+            bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
     }
     spin_unlock_irq(&pDevice->lock);
 
@@ -525,8 +525,8 @@ static int wpa_set_scan(PSDevice pDevice,
 	int ret = 0;
 
     spin_lock_irq(&pDevice->lock);
-    BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
-    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
+    BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
+    bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
     spin_unlock_irq(&pDevice->lock);
 
     return ret;
@@ -786,7 +786,7 @@ static int wpa_set_associate(PSDevice pDevice,
         memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6);
 else
 {
-   bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pItemSSID->abySSID);
+   bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pItemSSID->abySSID);
 }
 
     if (param->u.wpa_associate.wpa_ie_len == 0) {
@@ -870,11 +870,11 @@ if (!((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) ||
 
     if (pCurr == NULL){
     printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
-    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
+    bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
   };
 }
 /****************************************************************/
-    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
+    bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
     spin_unlock_irq(&pDevice->lock);
 
     return ret;

From bf597e99d2fd4c5d25485fd4e4877bbae2be816c Mon Sep 17 00:00:00 2001
From: Daniel Walker <dwalker@codeaurora.org>
Date: Tue, 11 May 2010 15:56:44 -0700
Subject: [PATCH 1442/3638] staging: dream: smd: remove all smd related code

Part of this code is already in my MSM tree. I'll move the rest
forward through my tree also.

Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
CC: Pavel Machek <pavel@ucw.cz>
CC: linux-arm-msm@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dream/Kconfig                 |    1 -
 drivers/staging/dream/Makefile                |    2 +-
 drivers/staging/dream/smd/Kconfig             |   26 -
 drivers/staging/dream/smd/Makefile            |    7 -
 .../dream/smd/rpc_server_dog_keepalive.c      |   68 -
 .../dream/smd/rpc_server_time_remote.c        |   77 -
 drivers/staging/dream/smd/smd.c               | 1330 -----------------
 drivers/staging/dream/smd/smd_private.h       |  164 --
 drivers/staging/dream/smd/smd_qmi.c           |  851 -----------
 drivers/staging/dream/smd/smd_rpcrouter.c     | 1261 ----------------
 drivers/staging/dream/smd/smd_rpcrouter.h     |  193 ---
 .../staging/dream/smd/smd_rpcrouter_device.c  |  377 -----
 .../staging/dream/smd/smd_rpcrouter_servers.c |  226 ---
 drivers/staging/dream/smd/smd_tty.c           |  208 ---
 14 files changed, 1 insertion(+), 4790 deletions(-)
 delete mode 100644 drivers/staging/dream/smd/Kconfig
 delete mode 100644 drivers/staging/dream/smd/Makefile
 delete mode 100644 drivers/staging/dream/smd/rpc_server_dog_keepalive.c
 delete mode 100644 drivers/staging/dream/smd/rpc_server_time_remote.c
 delete mode 100644 drivers/staging/dream/smd/smd.c
 delete mode 100644 drivers/staging/dream/smd/smd_private.h
 delete mode 100644 drivers/staging/dream/smd/smd_qmi.c
 delete mode 100644 drivers/staging/dream/smd/smd_rpcrouter.c
 delete mode 100644 drivers/staging/dream/smd/smd_rpcrouter.h
 delete mode 100644 drivers/staging/dream/smd/smd_rpcrouter_device.c
 delete mode 100644 drivers/staging/dream/smd/smd_rpcrouter_servers.c
 delete mode 100644 drivers/staging/dream/smd/smd_tty.c

diff --git a/drivers/staging/dream/Kconfig b/drivers/staging/dream/Kconfig
index 707cc71a8a6..0c30b19a5a7 100644
--- a/drivers/staging/dream/Kconfig
+++ b/drivers/staging/dream/Kconfig
@@ -3,7 +3,6 @@ config DREAM
 	depends on MACH_TROUT
 
 if DREAM
-source "drivers/staging/dream/smd/Kconfig"
 
 source "drivers/staging/dream/camera/Kconfig"
 
diff --git a/drivers/staging/dream/Makefile b/drivers/staging/dream/Makefile
index 43d1eec8e25..fbea0abcc86 100644
--- a/drivers/staging/dream/Makefile
+++ b/drivers/staging/dream/Makefile
@@ -1,5 +1,5 @@
 EXTRA_CFLAGS=-Idrivers/staging/dream/include
-obj-$(CONFIG_MSM_ADSP)		+= qdsp5/ smd/
+obj-$(CONFIG_MSM_ADSP)		+= qdsp5/
 obj-$(CONFIG_MSM_CAMERA)	+= camera/
 obj-$(CONFIG_INPUT_GPIO)	+= gpio_axis.o gpio_event.o gpio_input.o gpio_matrix.o gpio_output.o
 
diff --git a/drivers/staging/dream/smd/Kconfig b/drivers/staging/dream/smd/Kconfig
deleted file mode 100644
index 17b8bdc7b9b..00000000000
--- a/drivers/staging/dream/smd/Kconfig
+++ /dev/null
@@ -1,26 +0,0 @@
-config MSM_SMD
-	depends on ARCH_MSM
-	default y
-	bool "MSM Shared Memory Driver (SMD)"
-	help
-	  Support for the shared memory interface between the apps
-	  processor and the baseband processor.  Provides access to
-	  the "shared heap", as well as virtual serial channels
-	  used to communicate with various services on the baseband
-	  processor.
-
-config MSM_ONCRPCROUTER
-	depends on MSM_SMD
-	default y
-	bool "MSM ONCRPC router support"
-	help
-	  Support for the MSM ONCRPC router for communication between
-	  the ARM9 and ARM11
-
-config MSM_RPCSERVERS
-	depends on MSM_ONCRPCROUTER
-	default y
-	bool "Kernel side RPC server bundle"
-	help
-	  none
-
diff --git a/drivers/staging/dream/smd/Makefile b/drivers/staging/dream/smd/Makefile
deleted file mode 100644
index 1c87618366a..00000000000
--- a/drivers/staging/dream/smd/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-EXTRA_CFLAGS=-Idrivers/staging/dream/include
-obj-$(CONFIG_MSM_SMD) += smd.o smd_tty.o smd_qmi.o
-obj-$(CONFIG_MSM_ONCRPCROUTER) += smd_rpcrouter.o
-obj-$(CONFIG_MSM_ONCRPCROUTER) += smd_rpcrouter_device.o
-obj-$(CONFIG_MSM_ONCRPCROUTER) += smd_rpcrouter_servers.o
-obj-$(CONFIG_MSM_RPCSERVERS) += rpc_server_dog_keepalive.o
-obj-$(CONFIG_MSM_RPCSERVERS) += rpc_server_time_remote.o
diff --git a/drivers/staging/dream/smd/rpc_server_dog_keepalive.c b/drivers/staging/dream/smd/rpc_server_dog_keepalive.c
deleted file mode 100644
index b23fccfa87e..00000000000
--- a/drivers/staging/dream/smd/rpc_server_dog_keepalive.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/* arch/arm/mach-msm/rpc_server_dog_keepalive.c
- *
- * Copyright (C) 2007 Google, Inc.
- * Author: Iliyan Malchev <ibm@android.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <mach/msm_rpcrouter.h>
-
-/* dog_keepalive server definitions */
-
-#define DOG_KEEPALIVE_PROG 0x30000015
-#if CONFIG_MSM_AMSS_VERSION==6210
-#define DOG_KEEPALIVE_VERS 0
-#define RPC_DOG_KEEPALIVE_BEACON 1
-#elif (CONFIG_MSM_AMSS_VERSION==6220) || (CONFIG_MSM_AMSS_VERSION==6225)
-#define DOG_KEEPALIVE_VERS 0x731fa727
-#define RPC_DOG_KEEPALIVE_BEACON 2
-#elif CONFIG_MSM_AMSS_VERSION==6350
-#define DOG_KEEPALIVE_VERS 0x00010000
-#define RPC_DOG_KEEPALIVE_BEACON 2
-#else
-#error "Unsupported AMSS version"
-#endif
-#define RPC_DOG_KEEPALIVE_NULL 0
-
-
-/* TODO: Remove server registration with _VERS when modem is upated with _COMP*/
-
-static int handle_rpc_call(struct msm_rpc_server *server,
-			   struct rpc_request_hdr *req, unsigned len)
-{
-	switch (req->procedure) {
-	case RPC_DOG_KEEPALIVE_NULL:
-		return 0;
-	case RPC_DOG_KEEPALIVE_BEACON:
-		printk(KERN_INFO "DOG KEEPALIVE PING\n");
-		return 0;
-	default:
-		return -ENODEV;
-	}
-}
-
-static struct msm_rpc_server rpc_server = {
-	.prog = DOG_KEEPALIVE_PROG,
-	.vers = DOG_KEEPALIVE_VERS,
-	.rpc_call = handle_rpc_call,
-};
-
-static int __init rpc_server_init(void)
-{
-	/* Dual server registration to support backwards compatibility vers */
-	return msm_rpc_create_server(&rpc_server);
-}
-
-
-module_init(rpc_server_init);
diff --git a/drivers/staging/dream/smd/rpc_server_time_remote.c b/drivers/staging/dream/smd/rpc_server_time_remote.c
deleted file mode 100644
index 2f90fc88c38..00000000000
--- a/drivers/staging/dream/smd/rpc_server_time_remote.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/* arch/arm/mach-msm/rpc_server_time_remote.c
- *
- * Copyright (C) 2007 Google, Inc.
- * Author: Iliyan Malchev <ibm@android.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <mach/msm_rpcrouter.h>
-
-/* time_remote_mtoa server definitions. */
-
-#define TIME_REMOTE_MTOA_PROG 0x3000005d
-#if CONFIG_MSM_AMSS_VERSION==6210
-#define TIME_REMOTE_MTOA_VERS 0
-#elif (CONFIG_MSM_AMSS_VERSION==6220) || (CONFIG_MSM_AMSS_VERSION==6225)
-#define TIME_REMOTE_MTOA_VERS 0x9202a8e4
-#elif CONFIG_MSM_AMSS_VERSION==6350
-#define TIME_REMOTE_MTOA_VERS 0x00010000
-#else
-#error "Unknown AMSS version"
-#endif
-#define RPC_TIME_REMOTE_MTOA_NULL   0
-#define RPC_TIME_TOD_SET_APPS_BASES 2
-
-struct rpc_time_tod_set_apps_bases_args {
-	uint32_t tick;
-	uint64_t stamp;
-};
-
-static int handle_rpc_call(struct msm_rpc_server *server,
-			   struct rpc_request_hdr *req, unsigned len)
-{
-	switch (req->procedure) {
-	case RPC_TIME_REMOTE_MTOA_NULL:
-		return 0;
-
-	case RPC_TIME_TOD_SET_APPS_BASES: {
-		struct rpc_time_tod_set_apps_bases_args *args;
-		args = (struct rpc_time_tod_set_apps_bases_args *)(req + 1);
-		args->tick = be32_to_cpu(args->tick);
-		args->stamp = be64_to_cpu(args->stamp);
-		printk(KERN_INFO "RPC_TIME_TOD_SET_APPS_BASES:\n"
-		       "\ttick = %d\n"
-		       "\tstamp = %lld\n",
-		       args->tick, args->stamp);
-		return 0;
-	}
-	default:
-		return -ENODEV;
-	}
-}
-
-static struct msm_rpc_server rpc_server = {
-	.prog = TIME_REMOTE_MTOA_PROG,
-	.vers = TIME_REMOTE_MTOA_VERS,
-	.rpc_call = handle_rpc_call,
-};
-
-static int __init rpc_server_init(void)
-{
-	/* Dual server registration to support backwards compatibility vers */
-	return msm_rpc_create_server(&rpc_server);
-}
-
-
-module_init(rpc_server_init);
diff --git a/drivers/staging/dream/smd/smd.c b/drivers/staging/dream/smd/smd.c
deleted file mode 100644
index 8f35be7193f..00000000000
--- a/drivers/staging/dream/smd/smd.c
+++ /dev/null
@@ -1,1330 +0,0 @@
-/* arch/arm/mach-msm/smd.c
- *
- * Copyright (C) 2007 Google, Inc.
- * Author: Brian Swetland <swetland@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#include <linux/device.h>
-#include <linux/wait.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/debugfs.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-
-#include <mach/msm_smd.h>
-#include <mach/msm_iomap.h>
-#include <mach/system.h>
-
-#include "smd_private.h"
-#include "../../../../arch/arm/mach-msm/proc_comm.h"
-
-void (*msm_hw_reset_hook)(void);
-
-#define MODULE_NAME "msm_smd"
-
-enum {
-	MSM_SMD_DEBUG = 1U << 0,
-	MSM_SMSM_DEBUG = 1U << 0,
-};
-
-static int msm_smd_debug_mask;
-
-module_param_named(debug_mask, msm_smd_debug_mask,
-		   int, S_IRUGO | S_IWUSR | S_IWGRP);
-
-void *smem_find(unsigned id, unsigned size);
-static void smd_diag(void);
-
-static unsigned last_heap_free = 0xffffffff;
-
-#define MSM_A2M_INT(n) (MSM_CSR_BASE + 0x400 + (n) * 4)
-
-static inline void notify_other_smsm(void)
-{
-	writel(1, MSM_A2M_INT(5));
-}
-
-static inline void notify_other_smd(void)
-{
-	writel(1, MSM_A2M_INT(0));
-}
-
-static void smd_diag(void)
-{
-	char *x;
-
-	x = smem_find(ID_DIAG_ERR_MSG, SZ_DIAG_ERR_MSG);
-	if (x != 0) {
-		x[SZ_DIAG_ERR_MSG - 1] = 0;
-		pr_info("smem: DIAG '%s'\n", x);
-	}
-}
-
-/* call when SMSM_RESET flag is set in the A9's smsm_state */
-static void handle_modem_crash(void)
-{
-	pr_err("ARM9 has CRASHED\n");
-	smd_diag();
-
-	/* hard reboot if possible */
-	if (msm_hw_reset_hook)
-		msm_hw_reset_hook();
-
-	/* in this case the modem or watchdog should reboot us */
-	for (;;)
-		;
-}
-
-extern int (*msm_check_for_modem_crash)(void);
-
-static int check_for_modem_crash(void)
-{
-	struct smsm_shared *smsm;
-
-	smsm = smem_find(ID_SHARED_STATE, 2 * sizeof(struct smsm_shared));
-
-	/* if the modem's not ready yet, we have to hope for the best */
-	if (!smsm)
-		return 0;
-
-	if (smsm[1].state & SMSM_RESET) {
-		handle_modem_crash();
-		return -1;
-	} else {
-		return 0;
-	}
-}
-
-#define SMD_SS_CLOSED            0x00000000
-#define SMD_SS_OPENING           0x00000001
-#define SMD_SS_OPENED            0x00000002
-#define SMD_SS_FLUSHING          0x00000003
-#define SMD_SS_CLOSING           0x00000004
-#define SMD_SS_RESET             0x00000005
-#define SMD_SS_RESET_OPENING     0x00000006
-
-#define SMD_BUF_SIZE 8192
-#define SMD_CHANNELS 64
-
-#define SMD_HEADER_SIZE 20
-
-
-/* the spinlock is used to synchronize between the
-** irq handler and code that mutates the channel
-** list or fiddles with channel state
-*/
-static DEFINE_SPINLOCK(smd_lock);
-static DEFINE_SPINLOCK(smem_lock);
-
-/* the mutex is used during open() and close()
-** operations to avoid races while creating or
-** destroying smd_channel structures
-*/
-static DEFINE_MUTEX(smd_creation_mutex);
-
-static int smd_initialized;
-
-struct smd_alloc_elm {
-	char name[20];
-	uint32_t cid;
-	uint32_t ctype;
-	uint32_t ref_count;
-};
-
-struct smd_half_channel {
-	unsigned state;
-	unsigned char fDSR;
-	unsigned char fCTS;
-	unsigned char fCD;
-	unsigned char fRI;
-	unsigned char fHEAD;
-	unsigned char fTAIL;
-	unsigned char fSTATE;
-	unsigned char fUNUSED;
-	unsigned tail;
-	unsigned head;
-	unsigned char data[SMD_BUF_SIZE];
-};
-
-struct smd_shared {
-	struct smd_half_channel ch0;
-	struct smd_half_channel ch1;
-};
-
-struct smd_channel {
-	volatile struct smd_half_channel *send;
-	volatile struct smd_half_channel *recv;
-	struct list_head ch_list;
-
-	unsigned current_packet;
-	unsigned n;
-	void *priv;
-	void (*notify)(void *priv, unsigned flags);
-
-	int (*read)(smd_channel_t *ch, void *data, int len);
-	int (*write)(smd_channel_t *ch, const void *data, int len);
-	int (*read_avail)(smd_channel_t *ch);
-	int (*write_avail)(smd_channel_t *ch);
-
-	void (*update_state)(smd_channel_t *ch);
-	unsigned last_state;
-
-	char name[32];
-	struct platform_device pdev;
-};
-
-static LIST_HEAD(smd_ch_closed_list);
-static LIST_HEAD(smd_ch_list);
-
-static unsigned char smd_ch_allocated[64];
-static struct work_struct probe_work;
-
-static void smd_alloc_channel(const char *name, uint32_t cid, uint32_t type);
-
-static void smd_channel_probe_worker(struct work_struct *work)
-{
-	struct smd_alloc_elm *shared;
-	unsigned n;
-
-	shared = smem_find(ID_CH_ALLOC_TBL, sizeof(*shared) * 64);
-
-	for (n = 0; n < 64; n++) {
-		if (smd_ch_allocated[n])
-			continue;
-		if (!shared[n].ref_count)
-			continue;
-		if (!shared[n].name[0])
-			continue;
-		smd_alloc_channel(shared[n].name,
-				  shared[n].cid,
-				  shared[n].ctype);
-		smd_ch_allocated[n] = 1;
-	}
-}
-
-static char *chstate(unsigned n)
-{
-	switch (n) {
-	case SMD_SS_CLOSED:
-		return "CLOSED";
-	case SMD_SS_OPENING:
-		return "OPENING";
-	case SMD_SS_OPENED:
-		return "OPENED";
-	case SMD_SS_FLUSHING:
-		return "FLUSHING";
-	case SMD_SS_CLOSING:
-		return "CLOSING";
-	case SMD_SS_RESET:
-		return "RESET";
-	case SMD_SS_RESET_OPENING:
-		return "ROPENING";
-	default:
-		return "UNKNOWN";
-	}
-}
-
-/* how many bytes are available for reading */
-static int smd_stream_read_avail(struct smd_channel *ch)
-{
-	return (ch->recv->head - ch->recv->tail) & (SMD_BUF_SIZE - 1);
-}
-
-/* how many bytes we are free to write */
-static int smd_stream_write_avail(struct smd_channel *ch)
-{
-	return (SMD_BUF_SIZE - 1) -
-		((ch->send->head - ch->send->tail) & (SMD_BUF_SIZE - 1));
-}
-
-static int smd_packet_read_avail(struct smd_channel *ch)
-{
-	if (ch->current_packet) {
-		int n = smd_stream_read_avail(ch);
-		if (n > ch->current_packet)
-			n = ch->current_packet;
-		return n;
-	} else {
-		return 0;
-	}
-}
-
-static int smd_packet_write_avail(struct smd_channel *ch)
-{
-	int n = smd_stream_write_avail(ch);
-	return n > SMD_HEADER_SIZE ? n - SMD_HEADER_SIZE : 0;
-}
-
-static int ch_is_open(struct smd_channel *ch)
-{
-	return (ch->recv->state == SMD_SS_OPENED) &&
-		(ch->send->state == SMD_SS_OPENED);
-}
-
-/* provide a pointer and length to readable data in the fifo */
-static unsigned ch_read_buffer(struct smd_channel *ch, void **ptr)
-{
-	unsigned head = ch->recv->head;
-	unsigned tail = ch->recv->tail;
-	*ptr = (void *) (ch->recv->data + tail);
-
-	if (tail <= head)
-		return head - tail;
-	else
-		return SMD_BUF_SIZE - tail;
-}
-
-/* advance the fifo read pointer after data from ch_read_buffer is consumed */
-static void ch_read_done(struct smd_channel *ch, unsigned count)
-{
-	BUG_ON(count > smd_stream_read_avail(ch));
-	ch->recv->tail = (ch->recv->tail + count) & (SMD_BUF_SIZE - 1);
-	ch->recv->fTAIL = 1;
-}
-
-/* basic read interface to ch_read_{buffer,done} used
-** by smd_*_read() and update_packet_state()
-** will read-and-discard if the _data pointer is null
-*/
-static int ch_read(struct smd_channel *ch, void *_data, int len)
-{
-	void *ptr;
-	unsigned n;
-	unsigned char *data = _data;
-	int orig_len = len;
-
-	while (len > 0) {
-		n = ch_read_buffer(ch, &ptr);
-		if (n == 0)
-			break;
-
-		if (n > len)
-			n = len;
-		if (_data)
-			memcpy(data, ptr, n);
-
-		data += n;
-		len -= n;
-		ch_read_done(ch, n);
-	}
-
-	return orig_len - len;
-}
-
-static void update_stream_state(struct smd_channel *ch)
-{
-	/* streams have no special state requiring updating */
-}
-
-static void update_packet_state(struct smd_channel *ch)
-{
-	unsigned hdr[5];
-	int r;
-
-	/* can't do anything if we're in the middle of a packet */
-	if (ch->current_packet != 0)
-		return;
-
-	/* don't bother unless we can get the full header */
-	if (smd_stream_read_avail(ch) < SMD_HEADER_SIZE)
-		return;
-
-	r = ch_read(ch, hdr, SMD_HEADER_SIZE);
-	BUG_ON(r != SMD_HEADER_SIZE);
-
-	ch->current_packet = hdr[0];
-}
-
-/* provide a pointer and length to next free space in the fifo */
-static unsigned ch_write_buffer(struct smd_channel *ch, void **ptr)
-{
-	unsigned head = ch->send->head;
-	unsigned tail = ch->send->tail;
-	*ptr = (void *) (ch->send->data + head);
-
-	if (head < tail) {
-		return tail - head - 1;
-	} else {
-		if (tail == 0)
-			return SMD_BUF_SIZE - head - 1;
-		else
-			return SMD_BUF_SIZE - head;
-	}
-}
-
-/* advace the fifo write pointer after freespace
- * from ch_write_buffer is filled
- */
-static void ch_write_done(struct smd_channel *ch, unsigned count)
-{
-	BUG_ON(count > smd_stream_write_avail(ch));
-	ch->send->head = (ch->send->head + count) & (SMD_BUF_SIZE - 1);
-	ch->send->fHEAD = 1;
-}
-
-static void hc_set_state(volatile struct smd_half_channel *hc, unsigned n)
-{
-	if (n == SMD_SS_OPENED) {
-		hc->fDSR = 1;
-		hc->fCTS = 1;
-		hc->fCD = 1;
-	} else {
-		hc->fDSR = 0;
-		hc->fCTS = 0;
-		hc->fCD = 0;
-	}
-	hc->state = n;
-	hc->fSTATE = 1;
-	notify_other_smd();
-}
-
-static void do_smd_probe(void)
-{
-	struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
-	if (shared->heap_info.free_offset != last_heap_free) {
-		last_heap_free = shared->heap_info.free_offset;
-		schedule_work(&probe_work);
-	}
-}
-
-static void smd_state_change(struct smd_channel *ch,
-			     unsigned last, unsigned next)
-{
-	ch->last_state = next;
-
-	pr_info("SMD: ch %d %s -> %s\n", ch->n,
-		chstate(last), chstate(next));
-
-	switch (next) {
-	case SMD_SS_OPENING:
-		ch->recv->tail = 0;
-	case SMD_SS_OPENED:
-		if (ch->send->state != SMD_SS_OPENED)
-			hc_set_state(ch->send, SMD_SS_OPENED);
-		ch->notify(ch->priv, SMD_EVENT_OPEN);
-		break;
-	case SMD_SS_FLUSHING:
-	case SMD_SS_RESET:
-		/* we should force them to close? */
-	default:
-		ch->notify(ch->priv, SMD_EVENT_CLOSE);
-	}
-}
-
-static irqreturn_t smd_irq_handler(int irq, void *data)
-{
-	unsigned long flags;
-	struct smd_channel *ch;
-	int do_notify = 0;
-	unsigned ch_flags;
-	unsigned tmp;
-
-	spin_lock_irqsave(&smd_lock, flags);
-	list_for_each_entry(ch, &smd_ch_list, ch_list) {
-		ch_flags = 0;
-		if (ch_is_open(ch)) {
-			if (ch->recv->fHEAD) {
-				ch->recv->fHEAD = 0;
-				ch_flags |= 1;
-				do_notify |= 1;
-			}
-			if (ch->recv->fTAIL) {
-				ch->recv->fTAIL = 0;
-				ch_flags |= 2;
-				do_notify |= 1;
-			}
-			if (ch->recv->fSTATE) {
-				ch->recv->fSTATE = 0;
-				ch_flags |= 4;
-				do_notify |= 1;
-			}
-		}
-		tmp = ch->recv->state;
-		if (tmp != ch->last_state)
-			smd_state_change(ch, ch->last_state, tmp);
-		if (ch_flags) {
-			ch->update_state(ch);
-			ch->notify(ch->priv, SMD_EVENT_DATA);
-		}
-	}
-	if (do_notify)
-		notify_other_smd();
-	spin_unlock_irqrestore(&smd_lock, flags);
-	do_smd_probe();
-	return IRQ_HANDLED;
-}
-
-static void smd_fake_irq_handler(unsigned long arg)
-{
-	smd_irq_handler(0, NULL);
-}
-
-static DECLARE_TASKLET(smd_fake_irq_tasklet, smd_fake_irq_handler, 0);
-
-void smd_sleep_exit(void)
-{
-	unsigned long flags;
-	struct smd_channel *ch;
-	unsigned tmp;
-	int need_int = 0;
-
-	spin_lock_irqsave(&smd_lock, flags);
-	list_for_each_entry(ch, &smd_ch_list, ch_list) {
-		if (ch_is_open(ch)) {
-			if (ch->recv->fHEAD) {
-				if (msm_smd_debug_mask & MSM_SMD_DEBUG)
-					pr_info("smd_sleep_exit ch %d fHEAD "
-						"%x %x %x\n",
-						ch->n, ch->recv->fHEAD,
-						ch->recv->head, ch->recv->tail);
-				need_int = 1;
-				break;
-			}
-			if (ch->recv->fTAIL) {
-				if (msm_smd_debug_mask & MSM_SMD_DEBUG)
-					pr_info("smd_sleep_exit ch %d fTAIL "
-						"%x %x %x\n",
-						ch->n, ch->recv->fTAIL,
-						ch->send->head, ch->send->tail);
-				need_int = 1;
-				break;
-			}
-			if (ch->recv->fSTATE) {
-				if (msm_smd_debug_mask & MSM_SMD_DEBUG)
-					pr_info("smd_sleep_exit ch %d fSTATE %x"
-						"\n", ch->n, ch->recv->fSTATE);
-				need_int = 1;
-				break;
-			}
-			tmp = ch->recv->state;
-			if (tmp != ch->last_state) {
-				if (msm_smd_debug_mask & MSM_SMD_DEBUG)
-					pr_info("smd_sleep_exit ch %d "
-						"state %x != %x\n",
-						ch->n, tmp, ch->last_state);
-				need_int = 1;
-				break;
-			}
-		}
-	}
-	spin_unlock_irqrestore(&smd_lock, flags);
-	do_smd_probe();
-	if (need_int) {
-		if (msm_smd_debug_mask & MSM_SMD_DEBUG)
-			pr_info("smd_sleep_exit need interrupt\n");
-		tasklet_schedule(&smd_fake_irq_tasklet);
-	}
-}
-
-
-void smd_kick(smd_channel_t *ch)
-{
-	unsigned long flags;
-	unsigned tmp;
-
-	spin_lock_irqsave(&smd_lock, flags);
-	ch->update_state(ch);
-	tmp = ch->recv->state;
-	if (tmp != ch->last_state) {
-		ch->last_state = tmp;
-		if (tmp == SMD_SS_OPENED)
-			ch->notify(ch->priv, SMD_EVENT_OPEN);
-		else
-			ch->notify(ch->priv, SMD_EVENT_CLOSE);
-	}
-	ch->notify(ch->priv, SMD_EVENT_DATA);
-	notify_other_smd();
-	spin_unlock_irqrestore(&smd_lock, flags);
-}
-
-static int smd_is_packet(int chn)
-{
-	if ((chn > 4) || (chn == 1))
-		return 1;
-	else
-		return 0;
-}
-
-static int smd_stream_write(smd_channel_t *ch, const void *_data, int len)
-{
-	void *ptr;
-	const unsigned char *buf = _data;
-	unsigned xfer;
-	int orig_len = len;
-
-	if (len < 0)
-		return -EINVAL;
-
-	while ((xfer = ch_write_buffer(ch, &ptr)) != 0) {
-		if (!ch_is_open(ch))
-			break;
-		if (xfer > len)
-			xfer = len;
-		memcpy(ptr, buf, xfer);
-		ch_write_done(ch, xfer);
-		len -= xfer;
-		buf += xfer;
-		if (len == 0)
-			break;
-	}
-
-	notify_other_smd();
-
-	return orig_len - len;
-}
-
-static int smd_packet_write(smd_channel_t *ch, const void *_data, int len)
-{
-	unsigned hdr[5];
-
-	if (len < 0)
-		return -EINVAL;
-
-	if (smd_stream_write_avail(ch) < (len + SMD_HEADER_SIZE))
-		return -ENOMEM;
-
-	hdr[0] = len;
-	hdr[1] = hdr[2] = hdr[3] = hdr[4] = 0;
-
-	smd_stream_write(ch, hdr, sizeof(hdr));
-	smd_stream_write(ch, _data, len);
-
-	return len;
-}
-
-static int smd_stream_read(smd_channel_t *ch, void *data, int len)
-{
-	int r;
-
-	if (len < 0)
-		return -EINVAL;
-
-	r = ch_read(ch, data, len);
-	if (r > 0)
-		notify_other_smd();
-
-	return r;
-}
-
-static int smd_packet_read(smd_channel_t *ch, void *data, int len)
-{
-	unsigned long flags;
-	int r;
-
-	if (len < 0)
-		return -EINVAL;
-
-	if (len > ch->current_packet)
-		len = ch->current_packet;
-
-	r = ch_read(ch, data, len);
-	if (r > 0)
-		notify_other_smd();
-
-	spin_lock_irqsave(&smd_lock, flags);
-	ch->current_packet -= r;
-	update_packet_state(ch);
-	spin_unlock_irqrestore(&smd_lock, flags);
-
-	return r;
-}
-
-static void smd_alloc_channel(const char *name, uint32_t cid, uint32_t type)
-{
-	struct smd_channel *ch;
-	struct smd_shared *shared;
-
-	shared = smem_alloc(ID_SMD_CHANNELS + cid, sizeof(*shared));
-	if (!shared) {
-		pr_err("smd_alloc_channel() cid %d does not exist\n", cid);
-		return;
-	}
-
-	ch = kzalloc(sizeof(struct smd_channel), GFP_KERNEL);
-	if (ch == 0) {
-		pr_err("smd_alloc_channel() out of memory\n");
-		return;
-	}
-
-	ch->send = &shared->ch0;
-	ch->recv = &shared->ch1;
-	ch->n = cid;
-
-	if (smd_is_packet(cid)) {
-		ch->read = smd_packet_read;
-		ch->write = smd_packet_write;
-		ch->read_avail = smd_packet_read_avail;
-		ch->write_avail = smd_packet_write_avail;
-		ch->update_state = update_packet_state;
-	} else {
-		ch->read = smd_stream_read;
-		ch->write = smd_stream_write;
-		ch->read_avail = smd_stream_read_avail;
-		ch->write_avail = smd_stream_write_avail;
-		ch->update_state = update_stream_state;
-	}
-
-	memcpy(ch->name, "SMD_", 4);
-	memcpy(ch->name + 4, name, 20);
-	ch->name[23] = 0;
-	ch->pdev.name = ch->name;
-	ch->pdev.id = -1;
-
-	pr_info("smd_alloc_channel() '%s' cid=%d, shared=%p\n",
-		ch->name, ch->n, shared);
-
-	mutex_lock(&smd_creation_mutex);
-	list_add(&ch->ch_list, &smd_ch_closed_list);
-	mutex_unlock(&smd_creation_mutex);
-
-	platform_device_register(&ch->pdev);
-}
-
-static void do_nothing_notify(void *priv, unsigned flags)
-{
-}
-
-struct smd_channel *smd_get_channel(const char *name)
-{
-	struct smd_channel *ch;
-
-	mutex_lock(&smd_creation_mutex);
-	list_for_each_entry(ch, &smd_ch_closed_list, ch_list) {
-		if (!strcmp(name, ch->name)) {
-			list_del(&ch->ch_list);
-			mutex_unlock(&smd_creation_mutex);
-			return ch;
-		}
-	}
-	mutex_unlock(&smd_creation_mutex);
-
-	return NULL;
-}
-
-int smd_open(const char *name, smd_channel_t **_ch,
-	     void *priv, void (*notify)(void *, unsigned))
-{
-	struct smd_channel *ch;
-	unsigned long flags;
-
-	if (smd_initialized == 0) {
-		pr_info("smd_open() before smd_init()\n");
-		return -ENODEV;
-	}
-
-	ch = smd_get_channel(name);
-	if (!ch)
-		return -ENODEV;
-
-	if (notify == 0)
-		notify = do_nothing_notify;
-
-	ch->notify = notify;
-	ch->current_packet = 0;
-	ch->last_state = SMD_SS_CLOSED;
-	ch->priv = priv;
-
-	*_ch = ch;
-
-	spin_lock_irqsave(&smd_lock, flags);
-	list_add(&ch->ch_list, &smd_ch_list);
-
-	/* If the remote side is CLOSING, we need to get it to
-	 * move to OPENING (which we'll do by moving from CLOSED to
-	 * OPENING) and then get it to move from OPENING to
-	 * OPENED (by doing the same state change ourselves).
-	 *
-	 * Otherwise, it should be OPENING and we can move directly
-	 * to OPENED so that it will follow.
-	 */
-	if (ch->recv->state == SMD_SS_CLOSING) {
-		ch->send->head = 0;
-		hc_set_state(ch->send, SMD_SS_OPENING);
-	} else {
-		hc_set_state(ch->send, SMD_SS_OPENED);
-	}
-	spin_unlock_irqrestore(&smd_lock, flags);
-	smd_kick(ch);
-
-	return 0;
-}
-
-int smd_close(smd_channel_t *ch)
-{
-	unsigned long flags;
-
-	pr_info("smd_close(%p)\n", ch);
-
-	if (ch == 0)
-		return -1;
-
-	spin_lock_irqsave(&smd_lock, flags);
-	ch->notify = do_nothing_notify;
-	list_del(&ch->ch_list);
-	hc_set_state(ch->send, SMD_SS_CLOSED);
-	spin_unlock_irqrestore(&smd_lock, flags);
-
-	mutex_lock(&smd_creation_mutex);
-	list_add(&ch->ch_list, &smd_ch_closed_list);
-	mutex_unlock(&smd_creation_mutex);
-
-	return 0;
-}
-
-int smd_read(smd_channel_t *ch, void *data, int len)
-{
-	return ch->read(ch, data, len);
-}
-
-int smd_write(smd_channel_t *ch, const void *data, int len)
-{
-	return ch->write(ch, data, len);
-}
-
-int smd_read_avail(smd_channel_t *ch)
-{
-	return ch->read_avail(ch);
-}
-
-int smd_write_avail(smd_channel_t *ch)
-{
-	return ch->write_avail(ch);
-}
-
-int smd_wait_until_readable(smd_channel_t *ch, int bytes)
-{
-	return -1;
-}
-
-int smd_wait_until_writable(smd_channel_t *ch, int bytes)
-{
-	return -1;
-}
-
-int smd_cur_packet_size(smd_channel_t *ch)
-{
-	return ch->current_packet;
-}
-
-
-/* ------------------------------------------------------------------------- */
-
-void *smem_alloc(unsigned id, unsigned size)
-{
-	return smem_find(id, size);
-}
-
-static void *_smem_find(unsigned id, unsigned *size)
-{
-	struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
-	struct smem_heap_entry *toc = shared->heap_toc;
-
-	if (id >= SMEM_NUM_ITEMS)
-		return 0;
-
-	if (toc[id].allocated) {
-		*size = toc[id].size;
-		return (void *) (MSM_SHARED_RAM_BASE + toc[id].offset);
-	}
-
-	return 0;
-}
-
-void *smem_find(unsigned id, unsigned size_in)
-{
-	unsigned size;
-	void *ptr;
-
-	ptr = _smem_find(id, &size);
-	if (!ptr)
-		return 0;
-
-	size_in = ALIGN(size_in, 8);
-	if (size_in != size) {
-		pr_err("smem_find(%d, %d): wrong size %d\n",
-		       id, size_in, size);
-		return 0;
-	}
-
-	return ptr;
-}
-
-static irqreturn_t smsm_irq_handler(int irq, void *data)
-{
-	unsigned long flags;
-	struct smsm_shared *smsm;
-
-	spin_lock_irqsave(&smem_lock, flags);
-	smsm = smem_alloc(ID_SHARED_STATE,
-			  2 * sizeof(struct smsm_shared));
-
-	if (smsm == 0) {
-		pr_info("<SM NO STATE>\n");
-	} else {
-		unsigned apps = smsm[0].state;
-		unsigned modm = smsm[1].state;
-
-		if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
-			pr_info("<SM %08x %08x>\n", apps, modm);
-		if (modm & SMSM_RESET) {
-			handle_modem_crash();
-		} else {
-			apps |= SMSM_INIT;
-			if (modm & SMSM_SMDINIT)
-				apps |= SMSM_SMDINIT;
-			if (modm & SMSM_RPCINIT)
-				apps |= SMSM_RPCINIT;
-		}
-
-		if (smsm[0].state != apps) {
-			if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
-				pr_info("<SM %08x NOTIFY>\n", apps);
-			smsm[0].state = apps;
-			do_smd_probe();
-			notify_other_smsm();
-		}
-	}
-	spin_unlock_irqrestore(&smem_lock, flags);
-	return IRQ_HANDLED;
-}
-
-int smsm_change_state(uint32_t clear_mask, uint32_t set_mask)
-{
-	unsigned long flags;
-	struct smsm_shared *smsm;
-
-	spin_lock_irqsave(&smem_lock, flags);
-
-	smsm = smem_alloc(ID_SHARED_STATE,
-			  2 * sizeof(struct smsm_shared));
-
-	if (smsm) {
-		if (smsm[1].state & SMSM_RESET)
-			handle_modem_crash();
-		smsm[0].state = (smsm[0].state & ~clear_mask) | set_mask;
-		if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
-			pr_info("smsm_change_state %x\n",
-			       smsm[0].state);
-		notify_other_smsm();
-	}
-
-	spin_unlock_irqrestore(&smem_lock, flags);
-
-	if (smsm == NULL) {
-		pr_err("smsm_change_state <SM NO STATE>\n");
-		return -EIO;
-	}
-	return 0;
-}
-
-uint32_t smsm_get_state(void)
-{
-	unsigned long flags;
-	struct smsm_shared *smsm;
-	uint32_t rv;
-
-	spin_lock_irqsave(&smem_lock, flags);
-
-	smsm = smem_alloc(ID_SHARED_STATE,
-			  2 * sizeof(struct smsm_shared));
-
-	if (smsm)
-		rv = smsm[1].state;
-	else
-		rv = 0;
-
-	if (rv & SMSM_RESET)
-		handle_modem_crash();
-
-	spin_unlock_irqrestore(&smem_lock, flags);
-
-	if (smsm == NULL)
-		pr_err("smsm_get_state <SM NO STATE>\n");
-	return rv;
-}
-
-int smsm_set_sleep_duration(uint32_t delay)
-{
-	uint32_t *ptr;
-
-	ptr = smem_alloc(SMEM_SMSM_SLEEP_DELAY, sizeof(*ptr));
-	if (ptr == NULL) {
-		pr_err("smsm_set_sleep_duration <SM NO SLEEP_DELAY>\n");
-		return -EIO;
-	}
-	if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
-		pr_info("smsm_set_sleep_duration %d -> %d\n",
-		       *ptr, delay);
-	*ptr = delay;
-	return 0;
-}
-
-int smsm_set_interrupt_info(struct smsm_interrupt_info *info)
-{
-	struct smsm_interrupt_info *ptr;
-
-	ptr = smem_alloc(SMEM_SMSM_INT_INFO, sizeof(*ptr));
-	if (ptr == NULL) {
-		pr_err("smsm_set_sleep_duration <SM NO INT_INFO>\n");
-		return -EIO;
-	}
-	if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
-		pr_info("smsm_set_interrupt_info %x %x -> %x %x\n",
-		       ptr->aArm_en_mask, ptr->aArm_interrupts_pending,
-		       info->aArm_en_mask, info->aArm_interrupts_pending);
-	*ptr = *info;
-	return 0;
-}
-
-#define MAX_NUM_SLEEP_CLIENTS		64
-#define MAX_SLEEP_NAME_LEN		8
-
-#define NUM_GPIO_INT_REGISTERS		6
-#define GPIO_SMEM_NUM_GROUPS		2
-#define GPIO_SMEM_MAX_PC_INTERRUPTS	8
-
-struct tramp_gpio_save {
-	unsigned int enable;
-	unsigned int detect;
-	unsigned int polarity;
-};
-
-struct tramp_gpio_smem {
-	uint16_t num_fired[GPIO_SMEM_NUM_GROUPS];
-	uint16_t fired[GPIO_SMEM_NUM_GROUPS][GPIO_SMEM_MAX_PC_INTERRUPTS];
-	uint32_t enabled[NUM_GPIO_INT_REGISTERS];
-	uint32_t detection[NUM_GPIO_INT_REGISTERS];
-	uint32_t polarity[NUM_GPIO_INT_REGISTERS];
-};
-
-
-void smsm_print_sleep_info(void)
-{
-	unsigned long flags;
-	uint32_t *ptr;
-	struct tramp_gpio_smem *gpio;
-	struct smsm_interrupt_info *int_info;
-
-
-	spin_lock_irqsave(&smem_lock, flags);
-
-	ptr = smem_alloc(SMEM_SMSM_SLEEP_DELAY, sizeof(*ptr));
-	if (ptr)
-		pr_info("SMEM_SMSM_SLEEP_DELAY: %x\n", *ptr);
-
-	ptr = smem_alloc(SMEM_SMSM_LIMIT_SLEEP, sizeof(*ptr));
-	if (ptr)
-		pr_info("SMEM_SMSM_LIMIT_SLEEP: %x\n", *ptr);
-
-	ptr = smem_alloc(SMEM_SLEEP_POWER_COLLAPSE_DISABLED, sizeof(*ptr));
-	if (ptr)
-		pr_info("SMEM_SLEEP_POWER_COLLAPSE_DISABLED: %x\n", *ptr);
-
-	int_info = smem_alloc(SMEM_SMSM_INT_INFO, sizeof(*int_info));
-	if (int_info)
-		pr_info("SMEM_SMSM_INT_INFO %x %x %x\n",
-			int_info->aArm_en_mask,
-			int_info->aArm_interrupts_pending,
-			int_info->aArm_wakeup_reason);
-
-	gpio = smem_alloc(SMEM_GPIO_INT, sizeof(*gpio));
-	if (gpio) {
-		int i;
-		for (i = 0; i < NUM_GPIO_INT_REGISTERS; i++)
-			pr_info("SMEM_GPIO_INT: %d: e %x d %x p %x\n",
-				i, gpio->enabled[i], gpio->detection[i],
-				gpio->polarity[i]);
-
-		for (i = 0; i < GPIO_SMEM_NUM_GROUPS; i++)
-			pr_info("SMEM_GPIO_INT: %d: f %d: %d %d...\n",
-				i, gpio->num_fired[i], gpio->fired[i][0],
-				gpio->fired[i][1]);
-	}
-
-	spin_unlock_irqrestore(&smem_lock, flags);
-}
-
-int smd_core_init(void)
-{
-	int r;
-	pr_info("smd_core_init()\n");
-
-	r = request_irq(INT_A9_M2A_0, smd_irq_handler,
-			IRQF_TRIGGER_RISING, "smd_dev", 0);
-	if (r < 0)
-		return r;
-	r = enable_irq_wake(INT_A9_M2A_0);
-	if (r < 0)
-		pr_err("smd_core_init: enable_irq_wake failed for A9_M2A_0\n");
-
-	r = request_irq(INT_A9_M2A_5, smsm_irq_handler,
-			IRQF_TRIGGER_RISING, "smsm_dev", 0);
-	if (r < 0) {
-		free_irq(INT_A9_M2A_0, 0);
-		return r;
-	}
-	r = enable_irq_wake(INT_A9_M2A_5);
-	if (r < 0)
-		pr_err("smd_core_init: enable_irq_wake failed for A9_M2A_5\n");
-
-	/* we may have missed a signal while booting -- fake
-	 * an interrupt to make sure we process any existing
-	 * state
-	 */
-	smsm_irq_handler(0, 0);
-
-	pr_info("smd_core_init() done\n");
-
-	return 0;
-}
-
-#if defined(CONFIG_DEBUG_FS)
-
-static int dump_ch(char *buf, int max, int n,
-		  struct smd_half_channel *s,
-		  struct smd_half_channel *r)
-{
-	return scnprintf(
-		buf, max,
-		"ch%02d:"
-		" %8s(%04d/%04d) %c%c%c%c%c%c%c <->"
-		" %8s(%04d/%04d) %c%c%c%c%c%c%c\n", n,
-		chstate(s->state), s->tail, s->head,
-		s->fDSR ? 'D' : 'd',
-		s->fCTS ? 'C' : 'c',
-		s->fCD ? 'C' : 'c',
-		s->fRI ? 'I' : 'i',
-		s->fHEAD ? 'W' : 'w',
-		s->fTAIL ? 'R' : 'r',
-		s->fSTATE ? 'S' : 's',
-		chstate(r->state), r->tail, r->head,
-		r->fDSR ? 'D' : 'd',
-		r->fCTS ? 'R' : 'r',
-		r->fCD ? 'C' : 'c',
-		r->fRI ? 'I' : 'i',
-		r->fHEAD ? 'W' : 'w',
-		r->fTAIL ? 'R' : 'r',
-		r->fSTATE ? 'S' : 's'
-		);
-}
-
-static int debug_read_stat(char *buf, int max)
-{
-	struct smsm_shared *smsm;
-	char *msg;
-	int i = 0;
-
-	smsm = smem_find(ID_SHARED_STATE,
-			 2 * sizeof(struct smsm_shared));
-
-	msg = smem_find(ID_DIAG_ERR_MSG, SZ_DIAG_ERR_MSG);
-
-	if (smsm) {
-		if (smsm[1].state & SMSM_RESET)
-			i += scnprintf(buf + i, max - i,
-				       "smsm: ARM9 HAS CRASHED\n");
-		i += scnprintf(buf + i, max - i, "smsm: a9: %08x a11: %08x\n",
-			       smsm[0].state, smsm[1].state);
-	} else {
-		i += scnprintf(buf + i, max - i, "smsm: cannot find\n");
-	}
-	if (msg) {
-		msg[SZ_DIAG_ERR_MSG - 1] = 0;
-		i += scnprintf(buf + i, max - i, "diag: '%s'\n", msg);
-	}
-	return i;
-}
-
-static int debug_read_mem(char *buf, int max)
-{
-	unsigned n;
-	struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
-	struct smem_heap_entry *toc = shared->heap_toc;
-	int i = 0;
-
-	i += scnprintf(buf + i, max - i,
-		       "heap: init=%d free=%d remain=%d\n",
-		       shared->heap_info.initialized,
-		       shared->heap_info.free_offset,
-		       shared->heap_info.heap_remaining);
-
-	for (n = 0; n < SMEM_NUM_ITEMS; n++) {
-		if (toc[n].allocated == 0)
-			continue;
-		i += scnprintf(buf + i, max - i,
-			       "%04d: offsed %08x size %08x\n",
-			       n, toc[n].offset, toc[n].size);
-	}
-	return i;
-}
-
-static int debug_read_ch(char *buf, int max)
-{
-	struct smd_shared *shared;
-	int n, i = 0;
-
-	for (n = 0; n < SMD_CHANNELS; n++) {
-		shared = smem_find(ID_SMD_CHANNELS + n,
-				   sizeof(struct smd_shared));
-		if (shared == 0)
-			continue;
-		i += dump_ch(buf + i, max - i, n, &shared->ch0, &shared->ch1);
-	}
-
-	return i;
-}
-
-static int debug_read_version(char *buf, int max)
-{
-	struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
-	unsigned version = shared->version[VERSION_MODEM];
-	return sprintf(buf, "%d.%d\n", version >> 16, version & 0xffff);
-}
-
-static int debug_read_build_id(char *buf, int max)
-{
-	unsigned size;
-	void *data;
-
-	data = _smem_find(SMEM_HW_SW_BUILD_ID, &size);
-	if (!data)
-		return 0;
-
-	if (size >= max)
-		size = max;
-	memcpy(buf, data, size);
-
-	return size;
-}
-
-static int debug_read_alloc_tbl(char *buf, int max)
-{
-	struct smd_alloc_elm *shared;
-	int n, i = 0;
-
-	shared = smem_find(ID_CH_ALLOC_TBL, sizeof(*shared) * 64);
-
-	for (n = 0; n < 64; n++) {
-		if (shared[n].ref_count == 0)
-			continue;
-		i += scnprintf(buf + i, max - i,
-			       "%03d: %20s cid=%02d ctype=%d ref_count=%d\n",
-			       n, shared[n].name, shared[n].cid,
-			       shared[n].ctype, shared[n].ref_count);
-	}
-
-	return i;
-}
-
-static int debug_boom(char *buf, int max)
-{
-	unsigned ms = 5000;
-	msm_proc_comm(PCOM_RESET_MODEM, &ms, 0);
-	return 0;
-}
-
-#define DEBUG_BUFMAX 4096
-static char debug_buffer[DEBUG_BUFMAX];
-
-static ssize_t debug_read(struct file *file, char __user *buf,
-			  size_t count, loff_t *ppos)
-{
-	int (*fill)(char *buf, int max) = file->private_data;
-	int bsize = fill(debug_buffer, DEBUG_BUFMAX);
-	return simple_read_from_buffer(buf, count, ppos, debug_buffer, bsize);
-}
-
-static int debug_open(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
-
-static const struct file_operations debug_ops = {
-	.read = debug_read,
-	.open = debug_open,
-};
-
-static void debug_create(const char *name, mode_t mode,
-			 struct dentry *dent,
-			 int (*fill)(char *buf, int max))
-{
-	debugfs_create_file(name, mode, dent, fill, &debug_ops);
-}
-
-static void smd_debugfs_init(void)
-{
-	struct dentry *dent;
-
-	dent = debugfs_create_dir("smd", 0);
-	if (IS_ERR(dent))
-		return;
-
-	debug_create("ch", 0444, dent, debug_read_ch);
-	debug_create("stat", 0444, dent, debug_read_stat);
-	debug_create("mem", 0444, dent, debug_read_mem);
-	debug_create("version", 0444, dent, debug_read_version);
-	debug_create("tbl", 0444, dent, debug_read_alloc_tbl);
-	debug_create("build", 0444, dent, debug_read_build_id);
-	debug_create("boom", 0444, dent, debug_boom);
-}
-#else
-static void smd_debugfs_init(void) {}
-#endif
-
-static int __init msm_smd_probe(struct platform_device *pdev)
-{
-	pr_info("smd_init()\n");
-
-	INIT_WORK(&probe_work, smd_channel_probe_worker);
-
-	if (smd_core_init()) {
-		pr_err("smd_core_init() failed\n");
-		return -1;
-	}
-
-	do_smd_probe();
-
-	msm_check_for_modem_crash = check_for_modem_crash;
-
-	smd_debugfs_init();
-	smd_initialized = 1;
-
-	return 0;
-}
-
-static struct platform_driver msm_smd_driver = {
-	.probe = msm_smd_probe,
-	.driver = {
-		.name = MODULE_NAME,
-		.owner = THIS_MODULE,
-	},
-};
-
-static int __init msm_smd_init(void)
-{
-	return platform_driver_register(&msm_smd_driver);
-}
-
-module_init(msm_smd_init);
-
-MODULE_DESCRIPTION("MSM Shared Memory Core");
-MODULE_AUTHOR("Brian Swetland <swetland@google.com>");
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/dream/smd/smd_private.h b/drivers/staging/dream/smd/smd_private.h
deleted file mode 100644
index 1b2e1c89ea2..00000000000
--- a/drivers/staging/dream/smd/smd_private.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/* arch/arm/mach-msm/smd_private.h
- *
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007 QUALCOMM Incorporated
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-#ifndef _ARCH_ARM_MACH_MSM_MSM_SMD_PRIVATE_H_
-#define _ARCH_ARM_MACH_MSM_MSM_SMD_PRIVATE_H_
-
-struct smem_heap_info {
-	unsigned initialized;
-	unsigned free_offset;
-	unsigned heap_remaining;
-	unsigned reserved;
-};
-
-struct smem_heap_entry {
-	unsigned allocated;
-	unsigned offset;
-	unsigned size;
-	unsigned reserved;
-};
-
-struct smem_proc_comm {
-	unsigned command;
-	unsigned status;
-	unsigned data1;
-	unsigned data2;
-};
-
-#define PC_APPS  0
-#define PC_MODEM 1
-
-#define VERSION_QDSP6     4
-#define VERSION_APPS_SBL  6
-#define VERSION_MODEM_SBL 7
-#define VERSION_APPS      8
-#define VERSION_MODEM     9
-
-struct smem_shared {
-	struct smem_proc_comm proc_comm[4];
-	unsigned version[32];
-	struct smem_heap_info heap_info;
-	struct smem_heap_entry heap_toc[128];
-};
-
-struct smsm_shared {
-	unsigned host;
-	unsigned state;
-};
-
-struct smsm_interrupt_info {
-	uint32_t aArm_en_mask;
-	uint32_t aArm_interrupts_pending;
-	uint32_t aArm_wakeup_reason;
-};
-
-#define SZ_DIAG_ERR_MSG 0xC8
-#define ID_DIAG_ERR_MSG SMEM_DIAG_ERR_MESSAGE
-#define ID_SMD_CHANNELS SMEM_SMD_BASE_ID
-#define ID_SHARED_STATE SMEM_SMSM_SHARED_STATE
-#define ID_CH_ALLOC_TBL SMEM_CHANNEL_ALLOC_TBL
-
-#define SMSM_INIT          0x000001
-#define SMSM_SMDINIT       0x000008
-#define SMSM_RPCINIT       0x000020
-#define SMSM_RESET         0x000040
-#define SMSM_RSA               0x0080
-#define SMSM_RUN           0x000100
-#define SMSM_PWRC              0x0200
-#define SMSM_TIMEWAIT          0x0400
-#define SMSM_TIMEINIT          0x0800
-#define SMSM_PWRC_EARLY_EXIT   0x1000
-#define SMSM_WFPI              0x2000
-#define SMSM_SLEEP             0x4000
-#define SMSM_SLEEPEXIT         0x8000
-#define SMSM_OEMSBL_RELEASE    0x10000
-#define SMSM_PWRC_SUSPEND      0x200000
-
-#define SMSM_WKUP_REASON_RPC	0x00000001
-#define SMSM_WKUP_REASON_INT	0x00000002
-#define SMSM_WKUP_REASON_GPIO	0x00000004
-#define SMSM_WKUP_REASON_TIMER	0x00000008
-#define SMSM_WKUP_REASON_ALARM	0x00000010
-#define SMSM_WKUP_REASON_RESET	0x00000020
-
-void *smem_alloc(unsigned id, unsigned size);
-int smsm_change_state(uint32_t clear_mask, uint32_t set_mask);
-uint32_t smsm_get_state(void);
-int smsm_set_sleep_duration(uint32_t delay);
-int smsm_set_interrupt_info(struct smsm_interrupt_info *info);
-void smsm_print_sleep_info(void);
-
-#define SMEM_NUM_SMD_CHANNELS        64
-
-typedef enum {
-	/* fixed items */
-	SMEM_PROC_COMM = 0,
-	SMEM_HEAP_INFO,
-	SMEM_ALLOCATION_TABLE,
-	SMEM_VERSION_INFO,
-	SMEM_HW_RESET_DETECT,
-	SMEM_AARM_WARM_BOOT,
-	SMEM_DIAG_ERR_MESSAGE,
-	SMEM_SPINLOCK_ARRAY,
-	SMEM_MEMORY_BARRIER_LOCATION,
-
-	/* dynamic items */
-	SMEM_AARM_PARTITION_TABLE,
-	SMEM_AARM_BAD_BLOCK_TABLE,
-	SMEM_RESERVE_BAD_BLOCKS,
-	SMEM_WM_UUID,
-	SMEM_CHANNEL_ALLOC_TBL,
-	SMEM_SMD_BASE_ID,
-	SMEM_SMEM_LOG_IDX = SMEM_SMD_BASE_ID + SMEM_NUM_SMD_CHANNELS,
-	SMEM_SMEM_LOG_EVENTS,
-	SMEM_SMEM_STATIC_LOG_IDX,
-	SMEM_SMEM_STATIC_LOG_EVENTS,
-	SMEM_SMEM_SLOW_CLOCK_SYNC,
-	SMEM_SMEM_SLOW_CLOCK_VALUE,
-	SMEM_BIO_LED_BUF,
-	SMEM_SMSM_SHARED_STATE,
-	SMEM_SMSM_INT_INFO,
-	SMEM_SMSM_SLEEP_DELAY,
-	SMEM_SMSM_LIMIT_SLEEP,
-	SMEM_SLEEP_POWER_COLLAPSE_DISABLED,
-	SMEM_KEYPAD_KEYS_PRESSED,
-	SMEM_KEYPAD_STATE_UPDATED,
-	SMEM_KEYPAD_STATE_IDX,
-	SMEM_GPIO_INT,
-	SMEM_MDDI_LCD_IDX,
-	SMEM_MDDI_HOST_DRIVER_STATE,
-	SMEM_MDDI_LCD_DISP_STATE,
-	SMEM_LCD_CUR_PANEL,
-	SMEM_MARM_BOOT_SEGMENT_INFO,
-	SMEM_AARM_BOOT_SEGMENT_INFO,
-	SMEM_SLEEP_STATIC,
-	SMEM_SCORPION_FREQUENCY,
-	SMEM_SMD_PROFILES,
-	SMEM_TSSC_BUSY,
-	SMEM_HS_SUSPEND_FILTER_INFO,
-	SMEM_BATT_INFO,
-	SMEM_APPS_BOOT_MODE,
-	SMEM_VERSION_FIRST,
-	SMEM_VERSION_LAST = SMEM_VERSION_FIRST + 24,
-	SMEM_OSS_RRCASN1_BUF1,
-	SMEM_OSS_RRCASN1_BUF2,
-	SMEM_ID_VENDOR0,
-	SMEM_ID_VENDOR1,
-	SMEM_ID_VENDOR2,
-	SMEM_HW_SW_BUILD_ID,
-	SMEM_NUM_ITEMS,
-} smem_mem_type;
-
-#endif
diff --git a/drivers/staging/dream/smd/smd_qmi.c b/drivers/staging/dream/smd/smd_qmi.c
deleted file mode 100644
index 76fce5142d9..00000000000
--- a/drivers/staging/dream/smd/smd_qmi.c
+++ /dev/null
@@ -1,851 +0,0 @@
-/* arch/arm/mach-msm/smd_qmi.c
- *
- * QMI Control Driver -- Manages network data connections.
- *
- * Copyright (C) 2007 Google, Inc.
- * Author: Brian Swetland <swetland@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#include <linux/device.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/miscdevice.h>
-#include <linux/workqueue.h>
-
-#include <linux/uaccess.h>
-#include <mach/msm_smd.h>
-
-#define QMI_CTL 0x00
-#define QMI_WDS 0x01
-#define QMI_DMS 0x02
-#define QMI_NAS 0x03
-
-#define QMI_RESULT_SUCCESS 0x0000
-#define QMI_RESULT_FAILURE 0x0001
-
-struct qmi_msg {
-	unsigned char service;
-	unsigned char client_id;
-	unsigned short txn_id;
-	unsigned short type;
-	unsigned short size;
-	unsigned char *tlv;
-};
-
-#define qmi_ctl_client_id 0
-
-#define STATE_OFFLINE    0
-#define STATE_QUERYING   1
-#define STATE_ONLINE     2
-
-struct qmi_ctxt {
-	struct miscdevice misc;
-
-	struct mutex lock;
-
-	unsigned char ctl_txn_id;
-	unsigned char wds_client_id;
-	unsigned short wds_txn_id;
-
-	unsigned wds_busy;
-	unsigned wds_handle;
-	unsigned state_dirty;
-	unsigned state;
-
-	unsigned char addr[4];
-	unsigned char mask[4];
-	unsigned char gateway[4];
-	unsigned char dns1[4];
-	unsigned char dns2[4];
-
-	smd_channel_t *ch;
-	const char *ch_name;
-
-	struct work_struct open_work;
-	struct work_struct read_work;
-};
-
-static struct qmi_ctxt *qmi_minor_to_ctxt(unsigned n);
-
-static void qmi_read_work(struct work_struct *ws);
-static void qmi_open_work(struct work_struct *work);
-
-void qmi_ctxt_init(struct qmi_ctxt *ctxt, unsigned n)
-{
-	mutex_init(&ctxt->lock);
-	INIT_WORK(&ctxt->read_work, qmi_read_work);
-	INIT_WORK(&ctxt->open_work, qmi_open_work);
-	ctxt->ctl_txn_id = 1;
-	ctxt->wds_txn_id = 1;
-	ctxt->wds_busy = 1;
-	ctxt->state = STATE_OFFLINE;
-
-}
-
-static struct workqueue_struct *qmi_wq;
-
-static int verbose = 0;
-
-/* anyone waiting for a state change waits here */
-static DECLARE_WAIT_QUEUE_HEAD(qmi_wait_queue);
-
-
-static void qmi_dump_msg(struct qmi_msg *msg, const char *prefix)
-{
-	unsigned sz, n;
-	unsigned char *x;
-
-	if (!verbose)
-		return;
-
-	printk(KERN_INFO
-	       "qmi: %s: svc=%02x cid=%02x tid=%04x type=%04x size=%04x\n",
-	       prefix, msg->service, msg->client_id,
-	       msg->txn_id, msg->type, msg->size);
-
-	x = msg->tlv;
-	sz = msg->size;
-
-	while (sz >= 3) {
-		sz -= 3;
-
-		n = x[1] | (x[2] << 8);
-		if (n > sz)
-			break;
-
-		printk(KERN_INFO "qmi: %s: tlv: %02x %04x { ",
-		       prefix, x[0], n);
-		x += 3;
-		sz -= n;
-		while (n-- > 0)
-			printk("%02x ", *x++);
-		printk("}\n");
-	}
-}
-
-int qmi_add_tlv(struct qmi_msg *msg,
-		unsigned type, unsigned size, const void *data)
-{
-	unsigned char *x = msg->tlv + msg->size;
-
-	x[0] = type;
-	x[1] = size;
-	x[2] = size >> 8;
-
-	memcpy(x + 3, data, size);
-
-	msg->size += (size + 3);
-
-	return 0;
-}
-
-/* Extract a tagged item from a qmi message buffer,
-** taking care not to overrun the buffer.
-*/
-static int qmi_get_tlv(struct qmi_msg *msg,
-		       unsigned type, unsigned size, void *data)
-{
-	unsigned char *x = msg->tlv;
-	unsigned len = msg->size;
-	unsigned n;
-
-	while (len >= 3) {
-		len -= 3;
-
-		/* size of this item */
-		n = x[1] | (x[2] << 8);
-		if (n > len)
-			break;
-
-		if (x[0] == type) {
-			if (n != size)
-				return -1;
-			memcpy(data, x + 3, size);
-			return 0;
-		}
-
-		x += (n + 3);
-		len -= n;
-	}
-
-	return -1;
-}
-
-static unsigned qmi_get_status(struct qmi_msg *msg, unsigned *error)
-{
-	unsigned short status[2];
-	if (qmi_get_tlv(msg, 0x02, sizeof(status), status)) {
-		*error = 0;
-		return QMI_RESULT_FAILURE;
-	} else {
-		*error = status[1];
-		return status[0];
-	}
-}
-
-/* 0x01 <qmux-header> <payload> */
-#define QMUX_HEADER    13
-
-/* should be >= HEADER + FOOTER */
-#define QMUX_OVERHEAD  16
-
-static int qmi_send(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
-{
-	unsigned char *data;
-	unsigned hlen;
-	unsigned len;
-	int r;
-
-	qmi_dump_msg(msg, "send");
-
-	if (msg->service == QMI_CTL)
-		hlen = QMUX_HEADER - 1;
-	else
-		hlen = QMUX_HEADER;
-
-	/* QMUX length is total header + total payload - IFC selector */
-	len = hlen + msg->size - 1;
-	if (len > 0xffff)
-		return -1;
-
-	data = msg->tlv - hlen;
-
-	/* prepend encap and qmux header */
-	*data++ = 0x01; /* ifc selector */
-
-	/* qmux header */
-	*data++ = len;
-	*data++ = len >> 8;
-	*data++ = 0x00; /* flags: client */
-	*data++ = msg->service;
-	*data++ = msg->client_id;
-
-	/* qmi header */
-	*data++ = 0x00; /* flags: send */
-	*data++ = msg->txn_id;
-	if (msg->service != QMI_CTL)
-		*data++ = msg->txn_id >> 8;
-
-	*data++ = msg->type;
-	*data++ = msg->type >> 8;
-	*data++ = msg->size;
-	*data++ = msg->size >> 8;
-
-	/* len + 1 takes the interface selector into account */
-	r = smd_write(ctxt->ch, msg->tlv - hlen, len + 1);
-
-	if (r != len)
-		return -1;
-	else
-		return 0;
-}
-
-static void qmi_process_ctl_msg(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
-{
-	unsigned err;
-	if (msg->type == 0x0022) {
-		unsigned char n[2];
-		if (qmi_get_status(msg, &err))
-			return;
-		if (qmi_get_tlv(msg, 0x01, sizeof(n), n))
-			return;
-		if (n[0] == QMI_WDS) {
-			printk(KERN_INFO
-			       "qmi: ctl: wds use client_id 0x%02x\n", n[1]);
-			ctxt->wds_client_id = n[1];
-			ctxt->wds_busy = 0;
-		}
-	}
-}
-
-static int qmi_network_get_profile(struct qmi_ctxt *ctxt);
-
-static void swapaddr(unsigned char *src, unsigned char *dst)
-{
-	dst[0] = src[3];
-	dst[1] = src[2];
-	dst[2] = src[1];
-	dst[3] = src[0];
-}
-
-static unsigned char zero[4];
-static void qmi_read_runtime_profile(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
-{
-	unsigned char tmp[4];
-	unsigned r;
-
-	r = qmi_get_tlv(msg, 0x1e, 4, tmp);
-	swapaddr(r ? zero : tmp, ctxt->addr);
-	r = qmi_get_tlv(msg, 0x21, 4, tmp);
-	swapaddr(r ? zero : tmp, ctxt->mask);
-	r = qmi_get_tlv(msg, 0x20, 4, tmp);
-	swapaddr(r ? zero : tmp, ctxt->gateway);
-	r = qmi_get_tlv(msg, 0x15, 4, tmp);
-	swapaddr(r ? zero : tmp, ctxt->dns1);
-	r = qmi_get_tlv(msg, 0x16, 4, tmp);
-	swapaddr(r ? zero : tmp, ctxt->dns2);
-}
-
-static void qmi_process_unicast_wds_msg(struct qmi_ctxt *ctxt,
-					struct qmi_msg *msg)
-{
-	unsigned err;
-	switch (msg->type) {
-	case 0x0021:
-		if (qmi_get_status(msg, &err)) {
-			printk(KERN_ERR
-			       "qmi: wds: network stop failed (%04x)\n", err);
-		} else {
-			printk(KERN_INFO
-			       "qmi: wds: network stopped\n");
-			ctxt->state = STATE_OFFLINE;
-			ctxt->state_dirty = 1;
-		}
-		break;
-	case 0x0020:
-		if (qmi_get_status(msg, &err)) {
-			printk(KERN_ERR
-			       "qmi: wds: network start failed (%04x)\n", err);
-		} else if (qmi_get_tlv(msg, 0x01, sizeof(ctxt->wds_handle), &ctxt->wds_handle)) {
-			printk(KERN_INFO
-			       "qmi: wds no handle?\n");
-		} else {
-			printk(KERN_INFO
-			       "qmi: wds: got handle 0x%08x\n",
-			       ctxt->wds_handle);
-		}
-		break;
-	case 0x002D:
-		printk("qmi: got network profile\n");
-		if (ctxt->state == STATE_QUERYING) {
-			qmi_read_runtime_profile(ctxt, msg);
-			ctxt->state = STATE_ONLINE;
-			ctxt->state_dirty = 1;
-		}
-		break;
-	default:
-		printk(KERN_ERR "qmi: unknown msg type 0x%04x\n", msg->type);
-	}
-	ctxt->wds_busy = 0;
-}
-
-static void qmi_process_broadcast_wds_msg(struct qmi_ctxt *ctxt,
-					  struct qmi_msg *msg)
-{
-	if (msg->type == 0x0022) {
-		unsigned char n[2];
-		if (qmi_get_tlv(msg, 0x01, sizeof(n), n))
-			return;
-		switch (n[0]) {
-		case 1:
-			printk(KERN_INFO "qmi: wds: DISCONNECTED\n");
-			ctxt->state = STATE_OFFLINE;
-			ctxt->state_dirty = 1;
-			break;
-		case 2:
-			printk(KERN_INFO "qmi: wds: CONNECTED\n");
-			ctxt->state = STATE_QUERYING;
-			ctxt->state_dirty = 1;
-			qmi_network_get_profile(ctxt);
-			break;
-		case 3:
-			printk(KERN_INFO "qmi: wds: SUSPENDED\n");
-			ctxt->state = STATE_OFFLINE;
-			ctxt->state_dirty = 1;
-		}
-	} else {
-		printk(KERN_ERR "qmi: unknown bcast msg type 0x%04x\n", msg->type);
-	}
-}
-
-static void qmi_process_wds_msg(struct qmi_ctxt *ctxt,
-				struct qmi_msg *msg)
-{
-	printk(KERN_INFO "wds: %04x @ %02x\n", msg->type, msg->client_id);
-	if (msg->client_id == ctxt->wds_client_id) {
-		qmi_process_unicast_wds_msg(ctxt, msg);
-	} else if (msg->client_id == 0xff) {
-		qmi_process_broadcast_wds_msg(ctxt, msg);
-	} else {
-		printk(KERN_ERR
-		       "qmi_process_wds_msg client id 0x%02x unknown\n",
-		       msg->client_id);
-	}
-}
-
-static void qmi_process_qmux(struct qmi_ctxt *ctxt,
-			     unsigned char *buf, unsigned sz)
-{
-	struct qmi_msg msg;
-
-	/* require a full header */
-	if (sz < 5)
-		return;
-
-	/* require a size that matches the buffer size */
-	if (sz != (buf[0] | (buf[1] << 8)))
-		return;
-
-	/* only messages from a service (bit7=1) are allowed */
-	if (buf[2] != 0x80)
-		return;
-
-	msg.service = buf[3];
-	msg.client_id = buf[4];
-
-	/* annoyingly, CTL messages have a shorter TID */
-	if (buf[3] == 0) {
-		if (sz < 7)
-			return;
-		msg.txn_id = buf[6];
-		buf += 7;
-		sz -= 7;
-	} else {
-		if (sz < 8)
-			return;
-		msg.txn_id = buf[6] | (buf[7] << 8);
-		buf += 8;
-		sz -= 8;
-	}
-
-	/* no type and size!? */
-	if (sz < 4)
-		return;
-	sz -= 4;
-
-	msg.type = buf[0] | (buf[1] << 8);
-	msg.size = buf[2] | (buf[3] << 8);
-	msg.tlv = buf + 4;
-
-	if (sz != msg.size)
-		return;
-
-	qmi_dump_msg(&msg, "recv");
-
-	mutex_lock(&ctxt->lock);
-	switch (msg.service) {
-	case QMI_CTL:
-		qmi_process_ctl_msg(ctxt, &msg);
-		break;
-	case QMI_WDS:
-		qmi_process_wds_msg(ctxt, &msg);
-		break;
-	default:
-		printk(KERN_ERR "qmi: msg from unknown svc 0x%02x\n",
-		       msg.service);
-		break;
-	}
-	mutex_unlock(&ctxt->lock);
-	wake_up(&qmi_wait_queue);
-}
-
-#define QMI_MAX_PACKET (256 + QMUX_OVERHEAD)
-
-static void qmi_read_work(struct work_struct *ws)
-{
-	struct qmi_ctxt *ctxt = container_of(ws, struct qmi_ctxt, read_work);
-	struct smd_channel *ch = ctxt->ch;
-	unsigned char buf[QMI_MAX_PACKET];
-	int sz;
-
-	for (;;) {
-		sz = smd_cur_packet_size(ch);
-		if (sz == 0)
-			break;
-		if (sz < smd_read_avail(ch))
-			break;
-		if (sz > QMI_MAX_PACKET) {
-			smd_read(ch, 0, sz);
-			continue;
-		}
-		if (smd_read(ch, buf, sz) != sz) {
-			printk(KERN_ERR "qmi: not enough data?!\n");
-			continue;
-		}
-
-		/* interface selector must be 1 */
-		if (buf[0] != 0x01)
-			continue;
-
-		qmi_process_qmux(ctxt, buf + 1, sz - 1);
-	}
-}
-
-static int qmi_request_wds_cid(struct qmi_ctxt *ctxt);
-
-static void qmi_open_work(struct work_struct *ws)
-{
-	struct qmi_ctxt *ctxt = container_of(ws, struct qmi_ctxt, open_work);
-	mutex_lock(&ctxt->lock);
-	qmi_request_wds_cid(ctxt);
-	mutex_unlock(&ctxt->lock);
-}
-
-static void qmi_notify(void *priv, unsigned event)
-{
-	struct qmi_ctxt *ctxt = priv;
-
-	switch (event) {
-	case SMD_EVENT_DATA: {
-		int sz;
-		sz = smd_cur_packet_size(ctxt->ch);
-		if ((sz > 0) && (sz <= smd_read_avail(ctxt->ch)))
-			queue_work(qmi_wq, &ctxt->read_work);
-		break;
-	}
-	case SMD_EVENT_OPEN:
-		printk(KERN_INFO "qmi: smd opened\n");
-		queue_work(qmi_wq, &ctxt->open_work);
-		break;
-	case SMD_EVENT_CLOSE:
-		printk(KERN_INFO "qmi: smd closed\n");
-		break;
-	}
-}
-
-static int qmi_request_wds_cid(struct qmi_ctxt *ctxt)
-{
-	unsigned char data[64 + QMUX_OVERHEAD];
-	struct qmi_msg msg;
-	unsigned char n;
-
-	msg.service = QMI_CTL;
-	msg.client_id = qmi_ctl_client_id;
-	msg.txn_id = ctxt->ctl_txn_id;
-	msg.type = 0x0022;
-	msg.size = 0;
-	msg.tlv = data + QMUX_HEADER;
-
-	ctxt->ctl_txn_id += 2;
-
-	n = QMI_WDS;
-	qmi_add_tlv(&msg, 0x01, 0x01, &n);
-
-	return qmi_send(ctxt, &msg);
-}
-
-static int qmi_network_get_profile(struct qmi_ctxt *ctxt)
-{
-	unsigned char data[96 + QMUX_OVERHEAD];
-	struct qmi_msg msg;
-
-	msg.service = QMI_WDS;
-	msg.client_id = ctxt->wds_client_id;
-	msg.txn_id = ctxt->wds_txn_id;
-	msg.type = 0x002D;
-	msg.size = 0;
-	msg.tlv = data + QMUX_HEADER;
-
-	ctxt->wds_txn_id += 2;
-
-	return qmi_send(ctxt, &msg);
-}
-
-static int qmi_network_up(struct qmi_ctxt *ctxt, char *apn)
-{
-	unsigned char data[96 + QMUX_OVERHEAD];
-	struct qmi_msg msg;
-	char *auth_type;
-	char *user;
-	char *pass;
-
-	for (user = apn; *user; user++) {
-		if (*user == ' ') {
-			*user++ = 0;
-			break;
-		}
-	}
-	for (pass = user; *pass; pass++) {
-		if (*pass == ' ') {
-			*pass++ = 0;
-			break;
-		}
-	}
-
-	for (auth_type = pass; *auth_type; auth_type++) {
-		if (*auth_type == ' ') {
-			*auth_type++ = 0;
-			break;
-		}
-	}
-
-	msg.service = QMI_WDS;
-	msg.client_id = ctxt->wds_client_id;
-	msg.txn_id = ctxt->wds_txn_id;
-	msg.type = 0x0020;
-	msg.size = 0;
-	msg.tlv = data + QMUX_HEADER;
-
-	ctxt->wds_txn_id += 2;
-
-	qmi_add_tlv(&msg, 0x14, strlen(apn), apn);
-	if (*auth_type)
-		qmi_add_tlv(&msg, 0x16, strlen(auth_type), auth_type);
-	if (*user) {
-		if (!*auth_type) {
-			unsigned char x;
-			x = 3;
-			qmi_add_tlv(&msg, 0x16, 1, &x);
-		}
-		qmi_add_tlv(&msg, 0x17, strlen(user), user);
-		if (*pass)
-			qmi_add_tlv(&msg, 0x18, strlen(pass), pass);
-	}
-	return qmi_send(ctxt, &msg);
-}
-
-static int qmi_network_down(struct qmi_ctxt *ctxt)
-{
-	unsigned char data[16 + QMUX_OVERHEAD];
-	struct qmi_msg msg;
-
-	msg.service = QMI_WDS;
-	msg.client_id = ctxt->wds_client_id;
-	msg.txn_id = ctxt->wds_txn_id;
-	msg.type = 0x0021;
-	msg.size = 0;
-	msg.tlv = data + QMUX_HEADER;
-
-	ctxt->wds_txn_id += 2;
-
-	qmi_add_tlv(&msg, 0x01, sizeof(ctxt->wds_handle), &ctxt->wds_handle);
-
-	return qmi_send(ctxt, &msg);
-}
-
-static int qmi_print_state(struct qmi_ctxt *ctxt, char *buf, int max)
-{
-	int i;
-	char *statename;
-
-	if (ctxt->state == STATE_ONLINE) {
-		statename = "up";
-	} else if (ctxt->state == STATE_OFFLINE) {
-		statename = "down";
-	} else {
-		statename = "busy";
-	}
-
-	i = scnprintf(buf, max, "STATE=%s\n", statename);
-	i += scnprintf(buf + i, max - i, "CID=%d\n", ctxt->wds_client_id);
-
-	if (ctxt->state != STATE_ONLINE)
-		return i;
-
-	i += scnprintf(buf + i, max - i, "ADDR=%d.%d.%d.%d\n",
-		ctxt->addr[0], ctxt->addr[1], ctxt->addr[2], ctxt->addr[3]);
-	i += scnprintf(buf + i, max - i, "MASK=%d.%d.%d.%d\n",
-		ctxt->mask[0], ctxt->mask[1], ctxt->mask[2], ctxt->mask[3]);
-	i += scnprintf(buf + i, max - i, "GATEWAY=%d.%d.%d.%d\n",
-		ctxt->gateway[0], ctxt->gateway[1], ctxt->gateway[2],
-		ctxt->gateway[3]);
-	i += scnprintf(buf + i, max - i, "DNS1=%d.%d.%d.%d\n",
-		ctxt->dns1[0], ctxt->dns1[1], ctxt->dns1[2], ctxt->dns1[3]);
-	i += scnprintf(buf + i, max - i, "DNS2=%d.%d.%d.%d\n",
-		ctxt->dns2[0], ctxt->dns2[1], ctxt->dns2[2], ctxt->dns2[3]);
-
-	return i;
-}
-
-static ssize_t qmi_read(struct file *fp, char __user *buf,
-			size_t count, loff_t *pos)
-{
-	struct qmi_ctxt *ctxt = fp->private_data;
-	char msg[256];
-	int len;
-	int r;
-
-	mutex_lock(&ctxt->lock);
-	for (;;) {
-		if (ctxt->state_dirty) {
-			ctxt->state_dirty = 0;
-			len = qmi_print_state(ctxt, msg, 256);
-			break;
-		}
-		mutex_unlock(&ctxt->lock);
-		r = wait_event_interruptible(qmi_wait_queue, ctxt->state_dirty);
-		if (r < 0)
-			return r;
-		mutex_lock(&ctxt->lock);
-	}
-	mutex_unlock(&ctxt->lock);
-
-	if (len > count)
-		len = count;
-
-	if (copy_to_user(buf, msg, len))
-		return -EFAULT;
-
-	return len;
-}
-
-
-static ssize_t qmi_write(struct file *fp, const char __user *buf,
-			 size_t count, loff_t *pos)
-{
-	struct qmi_ctxt *ctxt = fp->private_data;
-	unsigned char cmd[64];
-	int len;
-	int r;
-
-	if (count < 1)
-		return 0;
-
-	len = count > 63 ? 63 : count;
-
-	if (copy_from_user(cmd, buf, len))
-		return -EFAULT;
-
-	cmd[len] = 0;
-
-	/* lazy */
-	if (cmd[len-1] == '\n') {
-		cmd[len-1] = 0;
-		len--;
-	}
-
-	if (!strncmp(cmd, "verbose", 7)) {
-		verbose = 1;
-	} else if (!strncmp(cmd, "terse", 5)) {
-		verbose = 0;
-	} else if (!strncmp(cmd, "poll", 4)) {
-		ctxt->state_dirty = 1;
-		wake_up(&qmi_wait_queue);
-	} else if (!strncmp(cmd, "down", 4)) {
-retry_down:
-		mutex_lock(&ctxt->lock);
-		if (ctxt->wds_busy) {
-			mutex_unlock(&ctxt->lock);
-			r = wait_event_interruptible(qmi_wait_queue, !ctxt->wds_busy);
-			if (r < 0)
-				return r;
-			goto retry_down;
-		}
-		ctxt->wds_busy = 1;
-		qmi_network_down(ctxt);
-		mutex_unlock(&ctxt->lock);
-	} else if (!strncmp(cmd, "up:", 3)) {
-retry_up:
-		mutex_lock(&ctxt->lock);
-		if (ctxt->wds_busy) {
-			mutex_unlock(&ctxt->lock);
-			r = wait_event_interruptible(qmi_wait_queue, !ctxt->wds_busy);
-			if (r < 0)
-				return r;
-			goto retry_up;
-		}
-		ctxt->wds_busy = 1;
-		qmi_network_up(ctxt, cmd+3);
-		mutex_unlock(&ctxt->lock);
-	} else {
-		return -EINVAL;
-	}
-
-	return count;
-}
-
-static int qmi_open(struct inode *ip, struct file *fp)
-{
-	struct qmi_ctxt *ctxt = qmi_minor_to_ctxt(MINOR(ip->i_rdev));
-	int r = 0;
-
-	if (!ctxt) {
-		printk(KERN_ERR "unknown qmi misc %d\n", MINOR(ip->i_rdev));
-		return -ENODEV;
-	}
-
-	fp->private_data = ctxt;
-
-	mutex_lock(&ctxt->lock);
-	if (ctxt->ch == 0)
-		r = smd_open(ctxt->ch_name, &ctxt->ch, ctxt, qmi_notify);
-	if (r == 0)
-		wake_up(&qmi_wait_queue);
-	mutex_unlock(&ctxt->lock);
-
-	return r;
-}
-
-static int qmi_release(struct inode *ip, struct file *fp)
-{
-	return 0;
-}
-
-static struct file_operations qmi_fops = {
-	.owner = THIS_MODULE,
-	.read = qmi_read,
-	.write = qmi_write,
-	.open = qmi_open,
-	.release = qmi_release,
-};
-
-static struct qmi_ctxt qmi_device0 = {
-	.ch_name = "SMD_DATA5_CNTL",
-	.misc = {
-		.minor = MISC_DYNAMIC_MINOR,
-		.name = "qmi0",
-		.fops = &qmi_fops,
-	}
-};
-static struct qmi_ctxt qmi_device1 = {
-	.ch_name = "SMD_DATA6_CNTL",
-	.misc = {
-		.minor = MISC_DYNAMIC_MINOR,
-		.name = "qmi1",
-		.fops = &qmi_fops,
-	}
-};
-static struct qmi_ctxt qmi_device2 = {
-	.ch_name = "SMD_DATA7_CNTL",
-	.misc = {
-		.minor = MISC_DYNAMIC_MINOR,
-		.name = "qmi2",
-		.fops = &qmi_fops,
-	}
-};
-
-static struct qmi_ctxt *qmi_minor_to_ctxt(unsigned n)
-{
-	if (n == qmi_device0.misc.minor)
-		return &qmi_device0;
-	if (n == qmi_device1.misc.minor)
-		return &qmi_device1;
-	if (n == qmi_device2.misc.minor)
-		return &qmi_device2;
-	return 0;
-}
-
-static int __init qmi_init(void)
-{
-	int ret;
-
-	qmi_wq = create_singlethread_workqueue("qmi");
-	if (qmi_wq == 0)
-		return -ENOMEM;
-
-	qmi_ctxt_init(&qmi_device0, 0);
-	qmi_ctxt_init(&qmi_device1, 1);
-	qmi_ctxt_init(&qmi_device2, 2);
-
-	ret = misc_register(&qmi_device0.misc);
-	if (ret == 0)
-		ret = misc_register(&qmi_device1.misc);
-	if (ret == 0)
-		ret = misc_register(&qmi_device2.misc);
-	return ret;
-}
-
-module_init(qmi_init);
diff --git a/drivers/staging/dream/smd/smd_rpcrouter.c b/drivers/staging/dream/smd/smd_rpcrouter.c
deleted file mode 100644
index 8744a6e499c..00000000000
--- a/drivers/staging/dream/smd/smd_rpcrouter.c
+++ /dev/null
@@ -1,1261 +0,0 @@
-/* arch/arm/mach-msm/smd_rpcrouter.c
- *
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2009 QUALCOMM Incorporated.
- * Author: San Mehat <san@android.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- */
-
-/* TODO: handle cases where smd_write() will tempfail due to full fifo */
-/* TODO: thread priority? schedule a work to bump it? */
-/* TODO: maybe make server_list_lock a mutex */
-/* TODO: pool fragments to avoid kmalloc/kfree churn */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/cdev.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/fs.h>
-#include <linux/err.h>
-#include <linux/sched.h>
-#include <linux/poll.h>
-#include <linux/slab.h>
-#include <asm/uaccess.h>
-#include <asm/byteorder.h>
-#include <linux/platform_device.h>
-#include <linux/uaccess.h>
-
-#include <mach/msm_smd.h>
-#include "smd_rpcrouter.h"
-
-#define TRACE_R2R_MSG 0
-#define TRACE_R2R_RAW 0
-#define TRACE_RPC_MSG 0
-#define TRACE_NOTIFY_MSG 0
-
-#define MSM_RPCROUTER_DEBUG 0
-#define MSM_RPCROUTER_DEBUG_PKT 0
-#define MSM_RPCROUTER_R2R_DEBUG 0
-#define DUMP_ALL_RECEIVED_HEADERS 0
-
-#define DIAG(x...) printk("[RR] ERROR " x)
-
-#if MSM_RPCROUTER_DEBUG
-#define D(x...) printk(x)
-#else
-#define D(x...) do {} while (0)
-#endif
-
-#if TRACE_R2R_MSG
-#define RR(x...) printk("[RR] "x)
-#else
-#define RR(x...) do {} while (0)
-#endif
-
-#if TRACE_RPC_MSG
-#define IO(x...) printk("[RPC] "x)
-#else
-#define IO(x...) do {} while (0)
-#endif
-
-#if TRACE_NOTIFY_MSG
-#define NTFY(x...) printk(KERN_ERR "[NOTIFY] "x)
-#else
-#define NTFY(x...) do {} while (0)
-#endif
-
-static LIST_HEAD(local_endpoints);
-static LIST_HEAD(remote_endpoints);
-
-static LIST_HEAD(server_list);
-
-static smd_channel_t *smd_channel;
-static int initialized;
-static wait_queue_head_t newserver_wait;
-static wait_queue_head_t smd_wait;
-
-static DEFINE_SPINLOCK(local_endpoints_lock);
-static DEFINE_SPINLOCK(remote_endpoints_lock);
-static DEFINE_SPINLOCK(server_list_lock);
-static DEFINE_SPINLOCK(smd_lock);
-
-static struct workqueue_struct *rpcrouter_workqueue;
-static int rpcrouter_need_len;
-
-static atomic_t next_xid = ATOMIC_INIT(1);
-static uint8_t next_pacmarkid;
-
-static void do_read_data(struct work_struct *work);
-static void do_create_pdevs(struct work_struct *work);
-static void do_create_rpcrouter_pdev(struct work_struct *work);
-
-static DECLARE_WORK(work_read_data, do_read_data);
-static DECLARE_WORK(work_create_pdevs, do_create_pdevs);
-static DECLARE_WORK(work_create_rpcrouter_pdev, do_create_rpcrouter_pdev);
-
-#define RR_STATE_IDLE    0
-#define RR_STATE_HEADER  1
-#define RR_STATE_BODY    2
-#define RR_STATE_ERROR   3
-
-struct rr_context {
-	struct rr_packet *pkt;
-	uint8_t *ptr;
-	uint32_t state; /* current assembly state */
-	uint32_t count; /* bytes needed in this state */
-};
-
-static struct rr_context the_rr_context;
-
-static struct platform_device rpcrouter_pdev = {
-	.name		= "oncrpc_router",
-	.id		= -1,
-};
-
-
-static int rpcrouter_send_control_msg(union rr_control_msg *msg)
-{
-	struct rr_header hdr;
-	unsigned long flags;
-	int need;
-
-	if (!(msg->cmd == RPCROUTER_CTRL_CMD_HELLO) && !initialized) {
-		printk(KERN_ERR "rpcrouter_send_control_msg(): Warning, "
-		       "router not initialized\n");
-		return -EINVAL;
-	}
-
-	hdr.version = RPCROUTER_VERSION;
-	hdr.type = msg->cmd;
-	hdr.src_pid = RPCROUTER_PID_LOCAL;
-	hdr.src_cid = RPCROUTER_ROUTER_ADDRESS;
-	hdr.confirm_rx = 0;
-	hdr.size = sizeof(*msg);
-	hdr.dst_pid = 0;
-	hdr.dst_cid = RPCROUTER_ROUTER_ADDRESS;
-
-	/* TODO: what if channel is full? */
-
-	need = sizeof(hdr) + hdr.size;
-	spin_lock_irqsave(&smd_lock, flags);
-	while (smd_write_avail(smd_channel) < need) {
-		spin_unlock_irqrestore(&smd_lock, flags);
-		msleep(250);
-		spin_lock_irqsave(&smd_lock, flags);
-	}
-	smd_write(smd_channel, &hdr, sizeof(hdr));
-	smd_write(smd_channel, msg, hdr.size);
-	spin_unlock_irqrestore(&smd_lock, flags);
-	return 0;
-}
-
-static struct rr_server *rpcrouter_create_server(uint32_t pid,
-							uint32_t cid,
-							uint32_t prog,
-							uint32_t ver)
-{
-	struct rr_server *server;
-	unsigned long flags;
-	int rc;
-
-	server = kmalloc(sizeof(struct rr_server), GFP_KERNEL);
-	if (!server)
-		return ERR_PTR(-ENOMEM);
-
-	memset(server, 0, sizeof(struct rr_server));
-	server->pid = pid;
-	server->cid = cid;
-	server->prog = prog;
-	server->vers = ver;
-
-	spin_lock_irqsave(&server_list_lock, flags);
-	list_add_tail(&server->list, &server_list);
-	spin_unlock_irqrestore(&server_list_lock, flags);
-
-	if (pid == RPCROUTER_PID_REMOTE) {
-		rc = msm_rpcrouter_create_server_cdev(server);
-		if (rc < 0)
-			goto out_fail;
-	}
-	return server;
-out_fail:
-	spin_lock_irqsave(&server_list_lock, flags);
-	list_del(&server->list);
-	spin_unlock_irqrestore(&server_list_lock, flags);
-	kfree(server);
-	return ERR_PTR(rc);
-}
-
-static void rpcrouter_destroy_server(struct rr_server *server)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&server_list_lock, flags);
-	list_del(&server->list);
-	spin_unlock_irqrestore(&server_list_lock, flags);
-	device_destroy(msm_rpcrouter_class, server->device_number);
-	kfree(server);
-}
-
-static struct rr_server *rpcrouter_lookup_server(uint32_t prog, uint32_t ver)
-{
-	struct rr_server *server;
-	unsigned long flags;
-
-	spin_lock_irqsave(&server_list_lock, flags);
-	list_for_each_entry(server, &server_list, list) {
-		if (server->prog == prog
-		 && server->vers == ver) {
-			spin_unlock_irqrestore(&server_list_lock, flags);
-			return server;
-		}
-	}
-	spin_unlock_irqrestore(&server_list_lock, flags);
-	return NULL;
-}
-
-static struct rr_server *rpcrouter_lookup_server_by_dev(dev_t dev)
-{
-	struct rr_server *server;
-	unsigned long flags;
-
-	spin_lock_irqsave(&server_list_lock, flags);
-	list_for_each_entry(server, &server_list, list) {
-		if (server->device_number == dev) {
-			spin_unlock_irqrestore(&server_list_lock, flags);
-			return server;
-		}
-	}
-	spin_unlock_irqrestore(&server_list_lock, flags);
-	return NULL;
-}
-
-struct msm_rpc_endpoint *msm_rpcrouter_create_local_endpoint(dev_t dev)
-{
-	struct msm_rpc_endpoint *ept;
-	unsigned long flags;
-
-	ept = kmalloc(sizeof(struct msm_rpc_endpoint), GFP_KERNEL);
-	if (!ept)
-		return NULL;
-	memset(ept, 0, sizeof(struct msm_rpc_endpoint));
-
-	/* mark no reply outstanding */
-	ept->reply_pid = 0xffffffff;
-
-	ept->cid = (uint32_t) ept;
-	ept->pid = RPCROUTER_PID_LOCAL;
-	ept->dev = dev;
-
-	if ((dev != msm_rpcrouter_devno) && (dev != MKDEV(0, 0))) {
-		struct rr_server *srv;
-		/*
-		 * This is a userspace client which opened
-		 * a program/ver devicenode. Bind the client
-		 * to that destination
-		 */
-		srv = rpcrouter_lookup_server_by_dev(dev);
-		/* TODO: bug? really? */
-		BUG_ON(!srv);
-
-		ept->dst_pid = srv->pid;
-		ept->dst_cid = srv->cid;
-		ept->dst_prog = cpu_to_be32(srv->prog);
-		ept->dst_vers = cpu_to_be32(srv->vers);
-
-		D("Creating local ept %p @ %08x:%08x\n", ept, srv->prog, srv->vers);
-	} else {
-		/* mark not connected */
-		ept->dst_pid = 0xffffffff;
-		D("Creating a master local ept %p\n", ept);
-	}
-
-	init_waitqueue_head(&ept->wait_q);
-	INIT_LIST_HEAD(&ept->read_q);
-	spin_lock_init(&ept->read_q_lock);
-	INIT_LIST_HEAD(&ept->incomplete);
-
-	spin_lock_irqsave(&local_endpoints_lock, flags);
-	list_add_tail(&ept->list, &local_endpoints);
-	spin_unlock_irqrestore(&local_endpoints_lock, flags);
-	return ept;
-}
-
-int msm_rpcrouter_destroy_local_endpoint(struct msm_rpc_endpoint *ept)
-{
-	int rc;
-	union rr_control_msg msg;
-
-	msg.cmd = RPCROUTER_CTRL_CMD_REMOVE_CLIENT;
-	msg.cli.pid = ept->pid;
-	msg.cli.cid = ept->cid;
-
-	RR("x REMOVE_CLIENT id=%d:%08x\n", ept->pid, ept->cid);
-	rc = rpcrouter_send_control_msg(&msg);
-	if (rc < 0)
-		return rc;
-
-	list_del(&ept->list);
-	kfree(ept);
-	return 0;
-}
-
-static int rpcrouter_create_remote_endpoint(uint32_t cid)
-{
-	struct rr_remote_endpoint *new_c;
-	unsigned long flags;
-
-	new_c = kmalloc(sizeof(struct rr_remote_endpoint), GFP_KERNEL);
-	if (!new_c)
-		return -ENOMEM;
-	memset(new_c, 0, sizeof(struct rr_remote_endpoint));
-
-	new_c->cid = cid;
-	new_c->pid = RPCROUTER_PID_REMOTE;
-	init_waitqueue_head(&new_c->quota_wait);
-	spin_lock_init(&new_c->quota_lock);
-
-	spin_lock_irqsave(&remote_endpoints_lock, flags);
-	list_add_tail(&new_c->list, &remote_endpoints);
-	spin_unlock_irqrestore(&remote_endpoints_lock, flags);
-	return 0;
-}
-
-static struct msm_rpc_endpoint *rpcrouter_lookup_local_endpoint(uint32_t cid)
-{
-	struct msm_rpc_endpoint *ept;
-	unsigned long flags;
-
-	spin_lock_irqsave(&local_endpoints_lock, flags);
-	list_for_each_entry(ept, &local_endpoints, list) {
-		if (ept->cid == cid) {
-			spin_unlock_irqrestore(&local_endpoints_lock, flags);
-			return ept;
-		}
-	}
-	spin_unlock_irqrestore(&local_endpoints_lock, flags);
-	return NULL;
-}
-
-static struct rr_remote_endpoint *rpcrouter_lookup_remote_endpoint(uint32_t cid)
-{
-	struct rr_remote_endpoint *ept;
-	unsigned long flags;
-
-	spin_lock_irqsave(&remote_endpoints_lock, flags);
-	list_for_each_entry(ept, &remote_endpoints, list) {
-		if (ept->cid == cid) {
-			spin_unlock_irqrestore(&remote_endpoints_lock, flags);
-			return ept;
-		}
-	}
-	spin_unlock_irqrestore(&remote_endpoints_lock, flags);
-	return NULL;
-}
-
-static int process_control_msg(union rr_control_msg *msg, int len)
-{
-	union rr_control_msg ctl;
-	struct rr_server *server;
-	struct rr_remote_endpoint *r_ept;
-	int rc = 0;
-	unsigned long flags;
-
-	if (len != sizeof(*msg)) {
-		printk(KERN_ERR "rpcrouter: r2r msg size %d != %d\n",
-		       len, sizeof(*msg));
-		return -EINVAL;
-	}
-
-	switch (msg->cmd) {
-	case RPCROUTER_CTRL_CMD_HELLO:
-		RR("o HELLO\n");
-
-		RR("x HELLO\n");
-		memset(&ctl, 0, sizeof(ctl));
-		ctl.cmd = RPCROUTER_CTRL_CMD_HELLO;
-		rpcrouter_send_control_msg(&ctl);
-
-		initialized = 1;
-
-		/* Send list of servers one at a time */
-		ctl.cmd = RPCROUTER_CTRL_CMD_NEW_SERVER;
-
-		/* TODO: long time to hold a spinlock... */
-		spin_lock_irqsave(&server_list_lock, flags);
-		list_for_each_entry(server, &server_list, list) {
-			ctl.srv.pid = server->pid;
-			ctl.srv.cid = server->cid;
-			ctl.srv.prog = server->prog;
-			ctl.srv.vers = server->vers;
-
-			RR("x NEW_SERVER id=%d:%08x prog=%08x:%08x\n",
-			   server->pid, server->cid,
-			   server->prog, server->vers);
-
-			rpcrouter_send_control_msg(&ctl);
-		}
-		spin_unlock_irqrestore(&server_list_lock, flags);
-
-		queue_work(rpcrouter_workqueue, &work_create_rpcrouter_pdev);
-		break;
-
-	case RPCROUTER_CTRL_CMD_RESUME_TX:
-		RR("o RESUME_TX id=%d:%08x\n", msg->cli.pid, msg->cli.cid);
-
-		r_ept = rpcrouter_lookup_remote_endpoint(msg->cli.cid);
-		if (!r_ept) {
-			printk(KERN_ERR
-			       "rpcrouter: Unable to resume client\n");
-			break;
-		}
-		spin_lock_irqsave(&r_ept->quota_lock, flags);
-		r_ept->tx_quota_cntr = 0;
-		spin_unlock_irqrestore(&r_ept->quota_lock, flags);
-		wake_up(&r_ept->quota_wait);
-		break;
-
-	case RPCROUTER_CTRL_CMD_NEW_SERVER:
-		RR("o NEW_SERVER id=%d:%08x prog=%08x:%08x\n",
-		   msg->srv.pid, msg->srv.cid, msg->srv.prog, msg->srv.vers);
-
-		server = rpcrouter_lookup_server(msg->srv.prog, msg->srv.vers);
-
-		if (!server) {
-			server = rpcrouter_create_server(
-				msg->srv.pid, msg->srv.cid,
-				msg->srv.prog, msg->srv.vers);
-			if (!server)
-				return -ENOMEM;
-			/*
-			 * XXX: Verify that its okay to add the
-			 * client to our remote client list
-			 * if we get a NEW_SERVER notification
-			 */
-			if (!rpcrouter_lookup_remote_endpoint(msg->srv.cid)) {
-				rc = rpcrouter_create_remote_endpoint(
-					msg->srv.cid);
-				if (rc < 0)
-					printk(KERN_ERR
-						"rpcrouter:Client create"
-						"error (%d)\n", rc);
-			}
-			schedule_work(&work_create_pdevs);
-			wake_up(&newserver_wait);
-		} else {
-			if ((server->pid == msg->srv.pid) &&
-			    (server->cid == msg->srv.cid)) {
-				printk(KERN_ERR "rpcrouter: Duplicate svr\n");
-			} else {
-				server->pid = msg->srv.pid;
-				server->cid = msg->srv.cid;
-			}
-		}
-		break;
-
-	case RPCROUTER_CTRL_CMD_REMOVE_SERVER:
-		RR("o REMOVE_SERVER prog=%08x:%d\n",
-		   msg->srv.prog, msg->srv.vers);
-		server = rpcrouter_lookup_server(msg->srv.prog, msg->srv.vers);
-		if (server)
-			rpcrouter_destroy_server(server);
-		break;
-
-	case RPCROUTER_CTRL_CMD_REMOVE_CLIENT:
-		RR("o REMOVE_CLIENT id=%d:%08x\n", msg->cli.pid, msg->cli.cid);
-		if (msg->cli.pid != RPCROUTER_PID_REMOTE) {
-			printk(KERN_ERR
-			       "rpcrouter: Denying remote removal of "
-			       "local client\n");
-			break;
-		}
-		r_ept = rpcrouter_lookup_remote_endpoint(msg->cli.cid);
-		if (r_ept) {
-			spin_lock_irqsave(&remote_endpoints_lock, flags);
-			list_del(&r_ept->list);
-			spin_unlock_irqrestore(&remote_endpoints_lock, flags);
-			kfree(r_ept);
-		}
-
-		/* Notify local clients of this event */
-		printk(KERN_ERR "rpcrouter: LOCAL NOTIFICATION NOT IMP\n");
-		rc = -ENOSYS;
-
-		break;
-	default:
-		RR("o UNKNOWN(%08x)\n", msg->cmd);
-		rc = -ENOSYS;
-	}
-
-	return rc;
-}
-
-static void do_create_rpcrouter_pdev(struct work_struct *work)
-{
-	platform_device_register(&rpcrouter_pdev);
-}
-
-static void do_create_pdevs(struct work_struct *work)
-{
-	unsigned long flags;
-	struct rr_server *server;
-
-	/* TODO: race if destroyed while being registered */
-	spin_lock_irqsave(&server_list_lock, flags);
-	list_for_each_entry(server, &server_list, list) {
-		if (server->pid == RPCROUTER_PID_REMOTE) {
-			if (server->pdev_name[0] == 0) {
-				spin_unlock_irqrestore(&server_list_lock,
-						       flags);
-				msm_rpcrouter_create_server_pdev(server);
-				schedule_work(&work_create_pdevs);
-				return;
-			}
-		}
-	}
-	spin_unlock_irqrestore(&server_list_lock, flags);
-}
-
-static void rpcrouter_smdnotify(void *_dev, unsigned event)
-{
-	if (event != SMD_EVENT_DATA)
-		return;
-
-	wake_up(&smd_wait);
-}
-
-static void *rr_malloc(unsigned sz)
-{
-	void *ptr = kmalloc(sz, GFP_KERNEL);
-	if (ptr)
-		return ptr;
-
-	printk(KERN_ERR "rpcrouter: kmalloc of %d failed, retrying...\n", sz);
-	do {
-		ptr = kmalloc(sz, GFP_KERNEL);
-	} while (!ptr);
-
-	return ptr;
-}
-
-/* TODO: deal with channel teardown / restore */
-static int rr_read(void *data, int len)
-{
-	int rc;
-	unsigned long flags;
-//	printk("rr_read() %d\n", len);
-	for(;;) {
-		spin_lock_irqsave(&smd_lock, flags);
-		if (smd_read_avail(smd_channel) >= len) {
-			rc = smd_read(smd_channel, data, len);
-			spin_unlock_irqrestore(&smd_lock, flags);
-			if (rc == len)
-				return 0;
-			else
-				return -EIO;
-		}
-		rpcrouter_need_len = len;
-		spin_unlock_irqrestore(&smd_lock, flags);
-
-//		printk("rr_read: waiting (%d)\n", len);
-		wait_event(smd_wait, smd_read_avail(smd_channel) >= len);
-	}
-	return 0;
-}
-
-static uint32_t r2r_buf[RPCROUTER_MSGSIZE_MAX];
-
-static void do_read_data(struct work_struct *work)
-{
-	struct rr_header hdr;
-	struct rr_packet *pkt;
-	struct rr_fragment *frag;
-	struct msm_rpc_endpoint *ept;
-	uint32_t pm, mid;
-	unsigned long flags;
-
-	if (rr_read(&hdr, sizeof(hdr)))
-		goto fail_io;
-
-#if TRACE_R2R_RAW
-	RR("- ver=%d type=%d src=%d:%08x crx=%d siz=%d dst=%d:%08x\n",
-	   hdr.version, hdr.type, hdr.src_pid, hdr.src_cid,
-	   hdr.confirm_rx, hdr.size, hdr.dst_pid, hdr.dst_cid);
-#endif
-
-	if (hdr.version != RPCROUTER_VERSION) {
-		DIAG("version %d != %d\n", hdr.version, RPCROUTER_VERSION);
-		goto fail_data;
-	}
-	if (hdr.size > RPCROUTER_MSGSIZE_MAX) {
-		DIAG("msg size %d > max %d\n", hdr.size, RPCROUTER_MSGSIZE_MAX);
-		goto fail_data;
-	}
-
-	if (hdr.dst_cid == RPCROUTER_ROUTER_ADDRESS) {
-		if (rr_read(r2r_buf, hdr.size))
-			goto fail_io;
-		process_control_msg((void*) r2r_buf, hdr.size);
-		goto done;
-	}
-
-	if (hdr.size < sizeof(pm)) {
-		DIAG("runt packet (no pacmark)\n");
-		goto fail_data;
-	}
-	if (rr_read(&pm, sizeof(pm)))
-		goto fail_io;
-
-	hdr.size -= sizeof(pm);
-
-	frag = rr_malloc(hdr.size + sizeof(*frag));
-	frag->next = NULL;
-	frag->length = hdr.size;
-	if (rr_read(frag->data, hdr.size))
-		goto fail_io;
-
-	ept = rpcrouter_lookup_local_endpoint(hdr.dst_cid);
-	if (!ept) {
-		DIAG("no local ept for cid %08x\n", hdr.dst_cid);
-		kfree(frag);
-		goto done;
-	}
-
-	/* See if there is already a partial packet that matches our mid
-	 * and if so, append this fragment to that packet.
-	 */
-	mid = PACMARK_MID(pm);
-	list_for_each_entry(pkt, &ept->incomplete, list) {
-		if (pkt->mid == mid) {
-			pkt->last->next = frag;
-			pkt->last = frag;
-			pkt->length += frag->length;
-			if (PACMARK_LAST(pm)) {
-				list_del(&pkt->list);
-				goto packet_complete;
-			}
-			goto done;
-		}
-	}
-	/* This mid is new -- create a packet for it, and put it on
-	 * the incomplete list if this fragment is not a last fragment,
-	 * otherwise put it on the read queue.
-	 */
-	pkt = rr_malloc(sizeof(struct rr_packet));
-	pkt->first = frag;
-	pkt->last = frag;
-	memcpy(&pkt->hdr, &hdr, sizeof(hdr));
-	pkt->mid = mid;
-	pkt->length = frag->length;
-	if (!PACMARK_LAST(pm)) {
-		list_add_tail(&pkt->list, &ept->incomplete);
-		goto done;
-	}
-
-packet_complete:
-	spin_lock_irqsave(&ept->read_q_lock, flags);
-	list_add_tail(&pkt->list, &ept->read_q);
-	wake_up(&ept->wait_q);
-	spin_unlock_irqrestore(&ept->read_q_lock, flags);
-done:
-
-	if (hdr.confirm_rx) {
-		union rr_control_msg msg;
-
-		msg.cmd = RPCROUTER_CTRL_CMD_RESUME_TX;
-		msg.cli.pid = hdr.dst_pid;
-		msg.cli.cid = hdr.dst_cid;
-
-		RR("x RESUME_TX id=%d:%08x\n", msg.cli.pid, msg.cli.cid);
-		rpcrouter_send_control_msg(&msg);
-	}
-
-	queue_work(rpcrouter_workqueue, &work_read_data);
-	return;
-
-fail_io:
-fail_data:
-	printk(KERN_ERR "rpc_router has died\n");
-}
-
-void msm_rpc_setup_req(struct rpc_request_hdr *hdr, uint32_t prog,
-		       uint32_t vers, uint32_t proc)
-{
-	memset(hdr, 0, sizeof(struct rpc_request_hdr));
-	hdr->xid = cpu_to_be32(atomic_add_return(1, &next_xid));
-	hdr->rpc_vers = cpu_to_be32(2);
-	hdr->prog = cpu_to_be32(prog);
-	hdr->vers = cpu_to_be32(vers);
-	hdr->procedure = cpu_to_be32(proc);
-}
-
-struct msm_rpc_endpoint *msm_rpc_open(void)
-{
-	struct msm_rpc_endpoint *ept;
-
-	ept = msm_rpcrouter_create_local_endpoint(MKDEV(0, 0));
-	if (ept == NULL)
-		return ERR_PTR(-ENOMEM);
-
-	return ept;
-}
-
-int msm_rpc_close(struct msm_rpc_endpoint *ept)
-{
-	return msm_rpcrouter_destroy_local_endpoint(ept);
-}
-EXPORT_SYMBOL(msm_rpc_close);
-
-int msm_rpc_write(struct msm_rpc_endpoint *ept, void *buffer, int count)
-{
-	struct rr_header hdr;
-	uint32_t pacmark;
-	struct rpc_request_hdr *rq = buffer;
-	struct rr_remote_endpoint *r_ept;
-	unsigned long flags;
-	int needed;
-	DEFINE_WAIT(__wait);
-
-	/* TODO: fragmentation for large outbound packets */
-	if (count > (RPCROUTER_MSGSIZE_MAX - sizeof(uint32_t)) || !count)
-		return -EINVAL;
-
-	/* snoop the RPC packet and enforce permissions */
-
-	/* has to have at least the xid and type fields */
-	if (count < (sizeof(uint32_t) * 2)) {
-		printk(KERN_ERR "rr_write: rejecting runt packet\n");
-		return -EINVAL;
-	}
-
-	if (rq->type == 0) {
-		/* RPC CALL */
-		if (count < (sizeof(uint32_t) * 6)) {
-			printk(KERN_ERR
-			       "rr_write: rejecting runt call packet\n");
-			return -EINVAL;
-		}
-		if (ept->dst_pid == 0xffffffff) {
-			printk(KERN_ERR "rr_write: not connected\n");
-			return -ENOTCONN;
-		}
-
-#if CONFIG_MSM_AMSS_VERSION >= 6350
-		if ((ept->dst_prog != rq->prog) ||
-			!msm_rpc_is_compatible_version(
-					be32_to_cpu(ept->dst_vers),
-					be32_to_cpu(rq->vers))) {
-#else
-		if (ept->dst_prog != rq->prog || ept->dst_vers != rq->vers) {
-#endif
-			printk(KERN_ERR
-			       "rr_write: cannot write to %08x:%d "
-			       "(bound to %08x:%d)\n",
-			       be32_to_cpu(rq->prog), be32_to_cpu(rq->vers),
-			       be32_to_cpu(ept->dst_prog),
-			       be32_to_cpu(ept->dst_vers));
-			return -EINVAL;
-		}
-		hdr.dst_pid = ept->dst_pid;
-		hdr.dst_cid = ept->dst_cid;
-		IO("CALL on ept %p to %08x:%08x @ %d:%08x (%d bytes) (xid %x proc %x)\n",
-		   ept,
-		   be32_to_cpu(rq->prog), be32_to_cpu(rq->vers),
-		   ept->dst_pid, ept->dst_cid, count,
-		   be32_to_cpu(rq->xid), be32_to_cpu(rq->procedure));
-	} else {
-		/* RPC REPLY */
-		/* TODO: locking */
-		if (ept->reply_pid == 0xffffffff) {
-			printk(KERN_ERR
-			       "rr_write: rejecting unexpected reply\n");
-			return -EINVAL;
-		}
-		if (ept->reply_xid != rq->xid) {
-			printk(KERN_ERR
-			       "rr_write: rejecting packet w/ bad xid\n");
-			return -EINVAL;
-		}
-
-		hdr.dst_pid = ept->reply_pid;
-		hdr.dst_cid = ept->reply_cid;
-
-		/* consume this reply */
-		ept->reply_pid = 0xffffffff;
-
-		IO("REPLY on ept %p to xid=%d @ %d:%08x (%d bytes)\n",
-		   ept,
-		   be32_to_cpu(rq->xid), hdr.dst_pid, hdr.dst_cid, count);
-	}
-
-	r_ept = rpcrouter_lookup_remote_endpoint(hdr.dst_cid);
-
-	if (!r_ept) {
-		printk(KERN_ERR
-			"msm_rpc_write(): No route to ept "
-			"[PID %x CID %x]\n", hdr.dst_pid, hdr.dst_cid);
-		return -EHOSTUNREACH;
-	}
-
-	/* Create routing header */
-	hdr.type = RPCROUTER_CTRL_CMD_DATA;
-	hdr.version = RPCROUTER_VERSION;
-	hdr.src_pid = ept->pid;
-	hdr.src_cid = ept->cid;
-	hdr.confirm_rx = 0;
-	hdr.size = count + sizeof(uint32_t);
-
-	for (;;) {
-		prepare_to_wait(&r_ept->quota_wait, &__wait,
-				TASK_INTERRUPTIBLE);
-		spin_lock_irqsave(&r_ept->quota_lock, flags);
-		if (r_ept->tx_quota_cntr < RPCROUTER_DEFAULT_RX_QUOTA)
-			break;
-		if (signal_pending(current) &&
-		    (!(ept->flags & MSM_RPC_UNINTERRUPTIBLE)))
-			break;
-		spin_unlock_irqrestore(&r_ept->quota_lock, flags);
-		schedule();
-	}
-	finish_wait(&r_ept->quota_wait, &__wait);
-
-	if (signal_pending(current) &&
-	    (!(ept->flags & MSM_RPC_UNINTERRUPTIBLE))) {
-		spin_unlock_irqrestore(&r_ept->quota_lock, flags);
-		return -ERESTARTSYS;
-	}
-	r_ept->tx_quota_cntr++;
-	if (r_ept->tx_quota_cntr == RPCROUTER_DEFAULT_RX_QUOTA)
-		hdr.confirm_rx = 1;
-
-	/* bump pacmark while interrupts disabled to avoid race
-	 * probably should be atomic op instead
-	 */
-	pacmark = PACMARK(count, ++next_pacmarkid, 0, 1);
-
-	spin_unlock_irqrestore(&r_ept->quota_lock, flags);
-
-	spin_lock_irqsave(&smd_lock, flags);
-
-	needed = sizeof(hdr) + hdr.size;
-	while (smd_write_avail(smd_channel) < needed) {
-		spin_unlock_irqrestore(&smd_lock, flags);
-		msleep(250);
-		spin_lock_irqsave(&smd_lock, flags);
-	}
-
-	/* TODO: deal with full fifo */
-	smd_write(smd_channel, &hdr, sizeof(hdr));
-	smd_write(smd_channel, &pacmark, sizeof(pacmark));
-	smd_write(smd_channel, buffer, count);
-
-	spin_unlock_irqrestore(&smd_lock, flags);
-
-	return count;
-}
-EXPORT_SYMBOL(msm_rpc_write);
-
-/*
- * NOTE: It is the responsibility of the caller to kfree buffer
- */
-int msm_rpc_read(struct msm_rpc_endpoint *ept, void **buffer,
-		 unsigned user_len, long timeout)
-{
-	struct rr_fragment *frag, *next;
-	char *buf;
-	int rc;
-
-	rc = __msm_rpc_read(ept, &frag, user_len, timeout);
-	if (rc <= 0)
-		return rc;
-
-	/* single-fragment messages conveniently can be
-	 * returned as-is (the buffer is at the front)
-	 */
-	if (frag->next == 0) {
-		*buffer = (void*) frag;
-		return rc;
-	}
-
-	/* multi-fragment messages, we have to do it the
-	 * hard way, which is rather disgusting right now
-	 */
-	buf = rr_malloc(rc);
-	*buffer = buf;
-
-	while (frag != NULL) {
-		memcpy(buf, frag->data, frag->length);
-		next = frag->next;
-		buf += frag->length;
-		kfree(frag);
-		frag = next;
-	}
-
-	return rc;
-}
-
-int msm_rpc_call(struct msm_rpc_endpoint *ept, uint32_t proc,
-		 void *_request, int request_size,
-		 long timeout)
-{
-	return msm_rpc_call_reply(ept, proc,
-				  _request, request_size,
-				  NULL, 0, timeout);
-}
-EXPORT_SYMBOL(msm_rpc_call);
-
-int msm_rpc_call_reply(struct msm_rpc_endpoint *ept, uint32_t proc,
-		       void *_request, int request_size,
-		       void *_reply, int reply_size,
-		       long timeout)
-{
-	struct rpc_request_hdr *req = _request;
-	struct rpc_reply_hdr *reply;
-	int rc;
-
-	if (request_size < sizeof(*req))
-		return -ETOOSMALL;
-
-	if (ept->dst_pid == 0xffffffff)
-		return -ENOTCONN;
-
-	/* We can't use msm_rpc_setup_req() here, because dst_prog and
-	 * dst_vers here are already in BE.
-	 */
-	memset(req, 0, sizeof(*req));
-	req->xid = cpu_to_be32(atomic_add_return(1, &next_xid));
-	req->rpc_vers = cpu_to_be32(2);
-	req->prog = ept->dst_prog;
-	req->vers = ept->dst_vers;
-	req->procedure = cpu_to_be32(proc);
-
-	rc = msm_rpc_write(ept, req, request_size);
-	if (rc < 0)
-		return rc;
-
-	for (;;) {
-		rc = msm_rpc_read(ept, (void*) &reply, -1, timeout);
-		if (rc < 0)
-			return rc;
-		if (rc < (3 * sizeof(uint32_t))) {
-			rc = -EIO;
-			break;
-		}
-		/* we should not get CALL packets -- ignore them */
-		if (reply->type == 0) {
-			kfree(reply);
-			continue;
-		}
-		/* If an earlier call timed out, we could get the (no
-		 * longer wanted) reply for it.  Ignore replies that
-		 * we don't expect.
-		 */
-		if (reply->xid != req->xid) {
-			kfree(reply);
-			continue;
-		}
-		if (reply->reply_stat != 0) {
-			rc = -EPERM;
-			break;
-		}
-		if (reply->data.acc_hdr.accept_stat != 0) {
-			rc = -EINVAL;
-			break;
-		}
-		if (_reply == NULL) {
-			rc = 0;
-			break;
-		}
-		if (rc > reply_size) {
-			rc = -ENOMEM;
-		} else {
-			memcpy(_reply, reply, rc);
-		}
-		break;
-	}
-	kfree(reply);
-	return rc;
-}
-EXPORT_SYMBOL(msm_rpc_call_reply);
-
-
-static inline int ept_packet_available(struct msm_rpc_endpoint *ept)
-{
-	unsigned long flags;
-	int ret;
-	spin_lock_irqsave(&ept->read_q_lock, flags);
-	ret = !list_empty(&ept->read_q);
-	spin_unlock_irqrestore(&ept->read_q_lock, flags);
-	return ret;
-}
-
-int __msm_rpc_read(struct msm_rpc_endpoint *ept,
-		   struct rr_fragment **frag_ret,
-		   unsigned len, long timeout)
-{
-	struct rr_packet *pkt;
-	struct rpc_request_hdr *rq;
-	DEFINE_WAIT(__wait);
-	unsigned long flags;
-	int rc;
-
-	IO("READ on ept %p\n", ept);
-
-	if (ept->flags & MSM_RPC_UNINTERRUPTIBLE) {
-		if (timeout < 0) {
-			wait_event(ept->wait_q, ept_packet_available(ept));
-		} else {
-			rc = wait_event_timeout(
-				ept->wait_q, ept_packet_available(ept),
-				timeout);
-			if (rc == 0)
-				return -ETIMEDOUT;
-		}
-	} else {
-		if (timeout < 0) {
-			rc = wait_event_interruptible(
-				ept->wait_q, ept_packet_available(ept));
-			if (rc < 0)
-				return rc;
-		} else {
-			rc = wait_event_interruptible_timeout(
-				ept->wait_q, ept_packet_available(ept),
-				timeout);
-			if (rc == 0)
-				return -ETIMEDOUT;
-		}
-	}
-
-	spin_lock_irqsave(&ept->read_q_lock, flags);
-	if (list_empty(&ept->read_q)) {
-		spin_unlock_irqrestore(&ept->read_q_lock, flags);
-		return -EAGAIN;
-	}
-	pkt = list_first_entry(&ept->read_q, struct rr_packet, list);
-	if (pkt->length > len) {
-		spin_unlock_irqrestore(&ept->read_q_lock, flags);
-		return -ETOOSMALL;
-	}
-	list_del(&pkt->list);
-	spin_unlock_irqrestore(&ept->read_q_lock, flags);
-
-	rc = pkt->length;
-
-	*frag_ret = pkt->first;
-	rq = (void*) pkt->first->data;
-	if ((rc >= (sizeof(uint32_t) * 3)) && (rq->type == 0)) {
-		IO("READ on ept %p is a CALL on %08x:%08x proc %d xid %d\n",
-			ept, be32_to_cpu(rq->prog), be32_to_cpu(rq->vers),
-			be32_to_cpu(rq->procedure),
-			be32_to_cpu(rq->xid));
-		/* RPC CALL */
-		if (ept->reply_pid != 0xffffffff) {
-			printk(KERN_WARNING
-			       "rr_read: lost previous reply xid...\n");
-		}
-		/* TODO: locking? */
-		ept->reply_pid = pkt->hdr.src_pid;
-		ept->reply_cid = pkt->hdr.src_cid;
-		ept->reply_xid = rq->xid;
-	}
-#if TRACE_RPC_MSG
-	else if ((rc >= (sizeof(uint32_t) * 3)) && (rq->type == 1))
-		IO("READ on ept %p is a REPLY\n", ept);
-	else IO("READ on ept %p (%d bytes)\n", ept, rc);
-#endif
-
-	kfree(pkt);
-	return rc;
-}
-
-#if CONFIG_MSM_AMSS_VERSION >= 6350
-int msm_rpc_is_compatible_version(uint32_t server_version,
-				  uint32_t client_version)
-{
-	if ((server_version & RPC_VERSION_MODE_MASK) !=
-	    (client_version & RPC_VERSION_MODE_MASK))
-		return 0;
-
-	if (server_version & RPC_VERSION_MODE_MASK)
-		return server_version == client_version;
-
-	return ((server_version & RPC_VERSION_MAJOR_MASK) ==
-		(client_version & RPC_VERSION_MAJOR_MASK)) &&
-		((server_version & RPC_VERSION_MINOR_MASK) >=
-		(client_version & RPC_VERSION_MINOR_MASK));
-}
-EXPORT_SYMBOL(msm_rpc_is_compatible_version);
-
-static int msm_rpc_get_compatible_server(uint32_t prog,
-					uint32_t ver,
-					uint32_t *found_vers)
-{
-	struct rr_server *server;
-	unsigned long     flags;
-	if (found_vers == NULL)
-		return 0;
-
-	spin_lock_irqsave(&server_list_lock, flags);
-	list_for_each_entry(server, &server_list, list) {
-		if ((server->prog == prog) &&
-		    msm_rpc_is_compatible_version(server->vers, ver)) {
-			*found_vers = server->vers;
-			spin_unlock_irqrestore(&server_list_lock, flags);
-			return 0;
-		}
-	}
-	spin_unlock_irqrestore(&server_list_lock, flags);
-	return -1;
-}
-#endif
-
-struct msm_rpc_endpoint *msm_rpc_connect(uint32_t prog, uint32_t vers, unsigned flags)
-{
-	struct msm_rpc_endpoint *ept;
-	struct rr_server *server;
-
-#if CONFIG_MSM_AMSS_VERSION >= 6350
-	if (!(vers & RPC_VERSION_MODE_MASK)) {
-		uint32_t found_vers;
-		if (msm_rpc_get_compatible_server(prog, vers, &found_vers) < 0)
-			return ERR_PTR(-EHOSTUNREACH);
-		if (found_vers != vers) {
-			D("RPC using new version %08x:{%08x --> %08x}\n",
-			 	prog, vers, found_vers);
-			vers = found_vers;
-		}
-	}
-#endif
-
-	server = rpcrouter_lookup_server(prog, vers);
-	if (!server)
-		return ERR_PTR(-EHOSTUNREACH);
-
-	ept = msm_rpc_open();
-	if (IS_ERR(ept))
-		return ept;
-
-	ept->flags = flags;
-	ept->dst_pid = server->pid;
-	ept->dst_cid = server->cid;
-	ept->dst_prog = cpu_to_be32(prog);
-	ept->dst_vers = cpu_to_be32(vers);
-
-	return ept;
-}
-EXPORT_SYMBOL(msm_rpc_connect);
-
-uint32_t msm_rpc_get_vers(struct msm_rpc_endpoint *ept)
-{
-	return be32_to_cpu(ept->dst_vers);
-}
-EXPORT_SYMBOL(msm_rpc_get_vers);
-
-/* TODO: permission check? */
-int msm_rpc_register_server(struct msm_rpc_endpoint *ept,
-			    uint32_t prog, uint32_t vers)
-{
-	int rc;
-	union rr_control_msg msg;
-	struct rr_server *server;
-
-	server = rpcrouter_create_server(ept->pid, ept->cid,
-					 prog, vers);
-	if (!server)
-		return -ENODEV;
-
-	msg.srv.cmd = RPCROUTER_CTRL_CMD_NEW_SERVER;
-	msg.srv.pid = ept->pid;
-	msg.srv.cid = ept->cid;
-	msg.srv.prog = prog;
-	msg.srv.vers = vers;
-
-	RR("x NEW_SERVER id=%d:%08x prog=%08x:%08x\n",
-	   ept->pid, ept->cid, prog, vers);
-
-	rc = rpcrouter_send_control_msg(&msg);
-	if (rc < 0)
-		return rc;
-
-	return 0;
-}
-
-/* TODO: permission check -- disallow unreg of somebody else's server */
-int msm_rpc_unregister_server(struct msm_rpc_endpoint *ept,
-			      uint32_t prog, uint32_t vers)
-{
-	struct rr_server *server;
-	server = rpcrouter_lookup_server(prog, vers);
-
-	if (!server)
-		return -ENOENT;
-	rpcrouter_destroy_server(server);
-	return 0;
-}
-
-static int msm_rpcrouter_probe(struct platform_device *pdev)
-{
-	int rc;
-
-	/* Initialize what we need to start processing */
-	INIT_LIST_HEAD(&local_endpoints);
-	INIT_LIST_HEAD(&remote_endpoints);
-
-	init_waitqueue_head(&newserver_wait);
-	init_waitqueue_head(&smd_wait);
-
-	rpcrouter_workqueue = create_singlethread_workqueue("rpcrouter");
-	if (!rpcrouter_workqueue)
-		return -ENOMEM;
-
-	rc = msm_rpcrouter_init_devices();
-	if (rc < 0)
-		goto fail_destroy_workqueue;
-
-	/* Open up SMD channel 2 */
-	initialized = 0;
-	rc = smd_open("SMD_RPCCALL", &smd_channel, NULL, rpcrouter_smdnotify);
-	if (rc < 0)
-		goto fail_remove_devices;
-
-	queue_work(rpcrouter_workqueue, &work_read_data);
-	return 0;
-
- fail_remove_devices:
-	msm_rpcrouter_exit_devices();
- fail_destroy_workqueue:
-	destroy_workqueue(rpcrouter_workqueue);
-	return rc;
-}
-
-static struct platform_driver msm_smd_channel2_driver = {
-	.probe		= msm_rpcrouter_probe,
-	.driver		= {
-			.name	= "SMD_RPCCALL",
-			.owner	= THIS_MODULE,
-	},
-};
-
-static int __init rpcrouter_init(void)
-{
-	return platform_driver_register(&msm_smd_channel2_driver);
-}
-
-module_init(rpcrouter_init);
-MODULE_DESCRIPTION("MSM RPC Router");
-MODULE_AUTHOR("San Mehat <san@android.com>");
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/dream/smd/smd_rpcrouter.h b/drivers/staging/dream/smd/smd_rpcrouter.h
deleted file mode 100644
index 86ab997b1b7..00000000000
--- a/drivers/staging/dream/smd/smd_rpcrouter.h
+++ /dev/null
@@ -1,193 +0,0 @@
-/** arch/arm/mach-msm/smd_rpcrouter.h
- *
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2008 QUALCOMM Incorporated.
- * Author: San Mehat <san@android.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _ARCH_ARM_MACH_MSM_SMD_RPCROUTER_H
-#define _ARCH_ARM_MACH_MSM_SMD_RPCROUTER_H
-
-#include <linux/types.h>
-#include <linux/list.h>
-#include <linux/cdev.h>
-#include <linux/platform_device.h>
-
-#include <mach/msm_smd.h>
-#include <mach/msm_rpcrouter.h>
-
-/* definitions for the R2R wire protcol */
-
-#define RPCROUTER_VERSION			1
-#define RPCROUTER_PROCESSORS_MAX		4
-#define RPCROUTER_MSGSIZE_MAX			512
-
-#define RPCROUTER_CLIENT_BCAST_ID		0xffffffff
-#define RPCROUTER_ROUTER_ADDRESS		0xfffffffe
-
-#define RPCROUTER_PID_LOCAL			1
-#define RPCROUTER_PID_REMOTE			0
-
-#define RPCROUTER_CTRL_CMD_DATA			1
-#define RPCROUTER_CTRL_CMD_HELLO		2
-#define RPCROUTER_CTRL_CMD_BYE			3
-#define RPCROUTER_CTRL_CMD_NEW_SERVER		4
-#define RPCROUTER_CTRL_CMD_REMOVE_SERVER	5
-#define RPCROUTER_CTRL_CMD_REMOVE_CLIENT	6
-#define RPCROUTER_CTRL_CMD_RESUME_TX		7
-#define RPCROUTER_CTRL_CMD_EXIT			8
-
-#define RPCROUTER_DEFAULT_RX_QUOTA	5
-
-union rr_control_msg {
-	uint32_t cmd;
-	struct {
-		uint32_t cmd;
-		uint32_t prog;
-		uint32_t vers;
-		uint32_t pid;
-		uint32_t cid;
-	} srv;
-	struct {
-		uint32_t cmd;
-		uint32_t pid;
-		uint32_t cid;
-	} cli;
-};
-
-struct rr_header {
-	uint32_t version;
-	uint32_t type;
-	uint32_t src_pid;
-	uint32_t src_cid;
-	uint32_t confirm_rx;
-	uint32_t size;
-	uint32_t dst_pid;
-	uint32_t dst_cid;
-};
-
-/* internals */
-
-#define RPCROUTER_MAX_REMOTE_SERVERS		100
-
-struct rr_fragment {
-	unsigned char data[RPCROUTER_MSGSIZE_MAX];
-	uint32_t length;
-	struct rr_fragment *next;
-};
-
-struct rr_packet {
-	struct list_head list;
-	struct rr_fragment *first;
-	struct rr_fragment *last;
-	struct rr_header hdr;
-	uint32_t mid;
-	uint32_t length;
-};
-
-#define PACMARK_LAST(n) ((n) & 0x80000000)
-#define PACMARK_MID(n)  (((n) >> 16) & 0xFF)
-#define PACMARK_LEN(n)  ((n) & 0xFFFF)
-
-static inline uint32_t PACMARK(uint32_t len, uint32_t mid, uint32_t first,
-			       uint32_t last)
-{
-	return (len & 0xFFFF) |
-	  ((mid & 0xFF) << 16) |
-	  ((!!first) << 30) |
-	  ((!!last) << 31);
-}
-
-struct rr_server {
-	struct list_head list;
-
-	uint32_t pid;
-	uint32_t cid;
-	uint32_t prog;
-	uint32_t vers;
-
-	dev_t device_number;
-	struct cdev cdev;
-	struct device *device;
-	struct rpcsvr_platform_device p_device;
-	char pdev_name[32];
-};
-
-struct rr_remote_endpoint {
-	uint32_t pid;
-	uint32_t cid;
-
-	int tx_quota_cntr;
-	spinlock_t quota_lock;
-	wait_queue_head_t quota_wait;
-
-	struct list_head list;
-};
-
-struct msm_rpc_endpoint {
-	struct list_head list;
-
-	/* incomplete packets waiting for assembly */
-	struct list_head incomplete;
-
-	/* complete packets waiting to be read */
-	struct list_head read_q;
-	spinlock_t read_q_lock;
-	wait_queue_head_t wait_q;
-	unsigned flags;
-
-	/* endpoint address */
-	uint32_t pid;
-	uint32_t cid;
-
-	/* bound remote address
-	 * if not connected (dst_pid == 0xffffffff) RPC_CALL writes fail
-	 * RPC_CALLs must be to the prog/vers below or they will fail
-	 */
-	uint32_t dst_pid;
-	uint32_t dst_cid;
-	uint32_t dst_prog; /* be32 */
-	uint32_t dst_vers; /* be32 */
-
-	/* reply remote address
-	 * if reply_pid == 0xffffffff, none available
-	 * RPC_REPLY writes may only go to the pid/cid/xid of the
-	 * last RPC_CALL we received.
-	 */
-	uint32_t reply_pid;
-	uint32_t reply_cid;
-	uint32_t reply_xid; /* be32 */
-	uint32_t next_pm;   /* Pacmark sequence */
-
-	/* device node if this endpoint is accessed via userspace */
-	dev_t dev;
-};
-
-/* shared between smd_rpcrouter*.c */
-
-int __msm_rpc_read(struct msm_rpc_endpoint *ept,
-		   struct rr_fragment **frag,
-		   unsigned len, long timeout);
-
-struct msm_rpc_endpoint *msm_rpcrouter_create_local_endpoint(dev_t dev);
-int msm_rpcrouter_destroy_local_endpoint(struct msm_rpc_endpoint *ept);
-
-int msm_rpcrouter_create_server_cdev(struct rr_server *server);
-int msm_rpcrouter_create_server_pdev(struct rr_server *server);
-
-int msm_rpcrouter_init_devices(void);
-void msm_rpcrouter_exit_devices(void);
-
-extern dev_t msm_rpcrouter_devno;
-extern struct class *msm_rpcrouter_class;
-#endif
diff --git a/drivers/staging/dream/smd/smd_rpcrouter_device.c b/drivers/staging/dream/smd/smd_rpcrouter_device.c
deleted file mode 100644
index e9c28eddce3..00000000000
--- a/drivers/staging/dream/smd/smd_rpcrouter_device.c
+++ /dev/null
@@ -1,377 +0,0 @@
-/* arch/arm/mach-msm/smd_rpcrouter_device.c
- *
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2009 QUALCOMM Incorporated.
- * Author: San Mehat <san@android.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/cdev.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/fs.h>
-#include <linux/err.h>
-#include <linux/sched.h>
-#include <linux/poll.h>
-#include <linux/platform_device.h>
-#include <linux/msm_rpcrouter.h>
-#include <linux/slab.h>
-
-#include <asm/uaccess.h>
-#include <asm/byteorder.h>
-
-#include "smd_rpcrouter.h"
-
-#define SAFETY_MEM_SIZE 65536
-
-/* Next minor # available for a remote server */
-static int next_minor = 1;
-
-struct class *msm_rpcrouter_class;
-dev_t msm_rpcrouter_devno;
-
-static struct cdev rpcrouter_cdev;
-static struct device *rpcrouter_device;
-
-static int rpcrouter_open(struct inode *inode, struct file *filp)
-{
-	int rc;
-	struct msm_rpc_endpoint *ept;
-
-	rc = nonseekable_open(inode, filp);
-	if (rc < 0)
-		return rc;
-
-	ept = msm_rpcrouter_create_local_endpoint(inode->i_rdev);
-	if (!ept)
-		return -ENOMEM;
-
-	filp->private_data = ept;
-	return 0;
-}
-
-static int rpcrouter_release(struct inode *inode, struct file *filp)
-{
-	struct msm_rpc_endpoint *ept;
-	ept = (struct msm_rpc_endpoint *) filp->private_data;
-
-	return msm_rpcrouter_destroy_local_endpoint(ept);
-}
-
-static ssize_t rpcrouter_read(struct file *filp, char __user *buf,
-			      size_t count, loff_t *ppos)
-{
-	struct msm_rpc_endpoint *ept;
-	struct rr_fragment *frag, *next;
-	int rc;
-
-	ept = (struct msm_rpc_endpoint *) filp->private_data;
-
-	rc = __msm_rpc_read(ept, &frag, count, -1);
-	if (rc < 0)
-		return rc;
-
-	count = rc;
-
-	while (frag != NULL) {
-		if (copy_to_user(buf, frag->data, frag->length)) {
-			printk(KERN_ERR
-			       "rpcrouter: could not copy all read data to user!\n");
-			rc = -EFAULT;
-		}
-		buf += frag->length;
-		next = frag->next;
-		kfree(frag);
-		frag = next;
-	}
-
-	return rc;
-}
-
-static ssize_t rpcrouter_write(struct file *filp, const char __user *buf,
-				size_t count, loff_t *ppos)
-{
-	struct msm_rpc_endpoint	*ept;
-	int rc = 0;
-	void *k_buffer;
-
-	ept = (struct msm_rpc_endpoint *) filp->private_data;
-
-	/* A check for safety, this seems non-standard */
-	if (count > SAFETY_MEM_SIZE)
-		return -EINVAL;
-
-	k_buffer = kmalloc(count, GFP_KERNEL);
-	if (!k_buffer)
-		return -ENOMEM;
-
-	if (copy_from_user(k_buffer, buf, count)) {
-		rc = -EFAULT;
-		goto write_out_free;
-	}
-
-	rc = msm_rpc_write(ept, k_buffer, count);
-	if (rc < 0)
-		goto write_out_free;
-
-	rc = count;
-write_out_free:
-	kfree(k_buffer);
-	return rc;
-}
-
-static unsigned int rpcrouter_poll(struct file *filp,
-				   struct poll_table_struct *wait)
-{
-	struct msm_rpc_endpoint *ept;
-	unsigned mask = 0;
-	ept = (struct msm_rpc_endpoint *) filp->private_data;
-
-	/* If there's data already in the read queue, return POLLIN.
-	 * Else, wait for the requested amount of time, and check again.
-	 */
-
-	if (!list_empty(&ept->read_q))
-		mask |= POLLIN;
-
-	if (!mask) {
-		poll_wait(filp, &ept->wait_q, wait);
-		if (!list_empty(&ept->read_q))
-			mask |= POLLIN;
-	}
-
-	return mask;
-}
-
-static long rpcrouter_ioctl(struct file *filp, unsigned int cmd,
-			    unsigned long arg)
-{
-	struct msm_rpc_endpoint *ept;
-	struct rpcrouter_ioctl_server_args server_args;
-	int rc = 0;
-	uint32_t n;
-
-	ept = (struct msm_rpc_endpoint *) filp->private_data;
-	switch (cmd) {
-
-	case RPC_ROUTER_IOCTL_GET_VERSION:
-		n = RPC_ROUTER_VERSION_V1;
-		rc = put_user(n, (unsigned int *) arg);
-		break;
-
-	case RPC_ROUTER_IOCTL_GET_MTU:
-		/* the pacmark word reduces the actual payload
-		 * possible per message
-		 */
-		n = RPCROUTER_MSGSIZE_MAX - sizeof(uint32_t);
-		rc = put_user(n, (unsigned int *) arg);
-		break;
-
-	case RPC_ROUTER_IOCTL_REGISTER_SERVER:
-		rc = copy_from_user(&server_args, (void *) arg,
-				    sizeof(server_args));
-		if (rc < 0)
-			break;
-		msm_rpc_register_server(ept,
-					server_args.prog,
-					server_args.vers);
-		break;
-
-	case RPC_ROUTER_IOCTL_UNREGISTER_SERVER:
-		rc = copy_from_user(&server_args, (void *) arg,
-				    sizeof(server_args));
-		if (rc < 0)
-			break;
-
-		msm_rpc_unregister_server(ept,
-					  server_args.prog,
-					  server_args.vers);
-		break;
-
-	case RPC_ROUTER_IOCTL_GET_MINOR_VERSION:
-		n = MSM_RPC_GET_MINOR(msm_rpc_get_vers(ept));
-		rc = put_user(n, (unsigned int *)arg);
-		break;
-
-	default:
-		rc = -EINVAL;
-		break;
-	}
-
-	return rc;
-}
-
-static struct file_operations rpcrouter_server_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = rpcrouter_open,
-	.release = rpcrouter_release,
-	.read	 = rpcrouter_read,
-	.write	 = rpcrouter_write,
-	.poll    = rpcrouter_poll,
-	.unlocked_ioctl	 = rpcrouter_ioctl,
-};
-
-static struct file_operations rpcrouter_router_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = rpcrouter_open,
-	.release = rpcrouter_release,
-	.read	 = rpcrouter_read,
-	.write	 = rpcrouter_write,
-	.poll    = rpcrouter_poll,
-	.unlocked_ioctl = rpcrouter_ioctl,
-};
-
-int msm_rpcrouter_create_server_cdev(struct rr_server *server)
-{
-	int rc;
-	uint32_t dev_vers;
-
-	if (next_minor == RPCROUTER_MAX_REMOTE_SERVERS) {
-		printk(KERN_ERR
-		       "rpcrouter: Minor numbers exhausted - Increase "
-		       "RPCROUTER_MAX_REMOTE_SERVERS\n");
-		return -ENOBUFS;
-	}
-
-#if CONFIG_MSM_AMSS_VERSION >= 6350
-	/* Servers with bit 31 set are remote msm servers with hashkey version.
-	 * Servers with bit 31 not set are remote msm servers with
-	 * backwards compatible version type in which case the minor number
-	 * (lower 16 bits) is set to zero.
-	 *
-	 */
-	if ((server->vers & RPC_VERSION_MODE_MASK))
-		dev_vers = server->vers;
-	else
-		dev_vers = server->vers & RPC_VERSION_MAJOR_MASK;
-#else
-	dev_vers = server->vers;
-#endif
-
-	server->device_number =
-		MKDEV(MAJOR(msm_rpcrouter_devno), next_minor++);
-
-	server->device =
-		device_create(msm_rpcrouter_class, rpcrouter_device,
-			      server->device_number, NULL, "%.8x:%.8x",
-			      server->prog, dev_vers);
-	if (IS_ERR(server->device)) {
-		printk(KERN_ERR
-		       "rpcrouter: Unable to create device (%ld)\n",
-		       PTR_ERR(server->device));
-		return PTR_ERR(server->device);;
-	}
-
-	cdev_init(&server->cdev, &rpcrouter_server_fops);
-	server->cdev.owner = THIS_MODULE;
-
-	rc = cdev_add(&server->cdev, server->device_number, 1);
-	if (rc < 0) {
-		printk(KERN_ERR
-		       "rpcrouter: Unable to add chrdev (%d)\n", rc);
-		device_destroy(msm_rpcrouter_class, server->device_number);
-		return rc;
-	}
-	return 0;
-}
-
-/* for backward compatible version type (31st bit cleared)
- * clearing minor number (lower 16 bits) in device name
- * is neccessary for driver binding
- */
-int msm_rpcrouter_create_server_pdev(struct rr_server *server)
-{
-	sprintf(server->pdev_name, "rs%.8x:%.8x",
-		server->prog,
-#if CONFIG_MSM_AMSS_VERSION >= 6350
-		(server->vers & RPC_VERSION_MODE_MASK) ? server->vers :
-		(server->vers & RPC_VERSION_MAJOR_MASK));
-#else
-		server->vers);
-#endif
-
-	server->p_device.base.id = -1;
-	server->p_device.base.name = server->pdev_name;
-
-	server->p_device.prog = server->prog;
-	server->p_device.vers = server->vers;
-
-	platform_device_register(&server->p_device.base);
-	return 0;
-}
-
-int msm_rpcrouter_init_devices(void)
-{
-	int rc;
-	int major;
-
-	/* Create the device nodes */
-	msm_rpcrouter_class = class_create(THIS_MODULE, "oncrpc");
-	if (IS_ERR(msm_rpcrouter_class)) {
-		rc = -ENOMEM;
-		printk(KERN_ERR
-		       "rpcrouter: failed to create oncrpc class\n");
-		goto fail;
-	}
-
-	rc = alloc_chrdev_region(&msm_rpcrouter_devno, 0,
-				 RPCROUTER_MAX_REMOTE_SERVERS + 1,
-				 "oncrpc");
-	if (rc < 0) {
-		printk(KERN_ERR
-		       "rpcrouter: Failed to alloc chardev region (%d)\n", rc);
-		goto fail_destroy_class;
-	}
-
-	major = MAJOR(msm_rpcrouter_devno);
-	rpcrouter_device = device_create(msm_rpcrouter_class, NULL,
-					 msm_rpcrouter_devno, NULL, "%.8x:%d",
-					 0, 0);
-	if (IS_ERR(rpcrouter_device)) {
-		rc = -ENOMEM;
-		goto fail_unregister_cdev_region;
-	}
-
-	cdev_init(&rpcrouter_cdev, &rpcrouter_router_fops);
-	rpcrouter_cdev.owner = THIS_MODULE;
-
-	rc = cdev_add(&rpcrouter_cdev, msm_rpcrouter_devno, 1);
-	if (rc < 0)
-		goto fail_destroy_device;
-
-	return 0;
-
-fail_destroy_device:
-	device_destroy(msm_rpcrouter_class, msm_rpcrouter_devno);
-fail_unregister_cdev_region:
-	unregister_chrdev_region(msm_rpcrouter_devno,
-				 RPCROUTER_MAX_REMOTE_SERVERS + 1);
-fail_destroy_class:
-	class_destroy(msm_rpcrouter_class);
-fail:
-	return rc;
-}
-
-void msm_rpcrouter_exit_devices(void)
-{
-	cdev_del(&rpcrouter_cdev);
-	device_destroy(msm_rpcrouter_class, msm_rpcrouter_devno);
-	unregister_chrdev_region(msm_rpcrouter_devno,
-				 RPCROUTER_MAX_REMOTE_SERVERS + 1);
-	class_destroy(msm_rpcrouter_class);
-}
-
diff --git a/drivers/staging/dream/smd/smd_rpcrouter_servers.c b/drivers/staging/dream/smd/smd_rpcrouter_servers.c
deleted file mode 100644
index bec3ee9371b..00000000000
--- a/drivers/staging/dream/smd/smd_rpcrouter_servers.c
+++ /dev/null
@@ -1,226 +0,0 @@
-/* arch/arm/mach-msm/rpc_servers.c
- *
- * Copyright (C) 2007 Google, Inc.
- * Author: Iliyan Malchev <ibm@android.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/cdev.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/types.h>
-#include <linux/fs.h>
-#include <linux/kthread.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/wakelock.h>
-#include <linux/slab.h>
-
-#include <linux/msm_rpcrouter.h>
-#include <linux/uaccess.h>
-
-#include <mach/msm_rpcrouter.h>
-#include "smd_rpcrouter.h"
-
-static struct msm_rpc_endpoint *endpoint;
-
-#define FLAG_REGISTERED 0x0001
-
-static LIST_HEAD(rpc_server_list);
-static DEFINE_MUTEX(rpc_server_list_lock);
-static int rpc_servers_active;
-
-static void rpc_server_register(struct msm_rpc_server *server)
-{
-	int rc;
-	rc = msm_rpc_register_server(endpoint, server->prog, server->vers);
-	if (rc < 0)
-		printk(KERN_ERR "[rpcserver] error registering %p @ %08x:%d\n",
-		       server, server->prog, server->vers);
-}
-
-static struct msm_rpc_server *rpc_server_find(uint32_t prog, uint32_t vers)
-{
-	struct msm_rpc_server *server;
-
-	mutex_lock(&rpc_server_list_lock);
-	list_for_each_entry(server, &rpc_server_list, list) {
-		if ((server->prog == prog) &&
-#if CONFIG_MSM_AMSS_VERSION >= 6350
-		    msm_rpc_is_compatible_version(server->vers, vers)) {
-#else
-		    server->vers == vers) {
-#endif
-			mutex_unlock(&rpc_server_list_lock);
-			return server;
-		}
-	}
-	mutex_unlock(&rpc_server_list_lock);
-	return NULL;
-}
-
-static void rpc_server_register_all(void)
-{
-	struct msm_rpc_server *server;
-
-	mutex_lock(&rpc_server_list_lock);
-	list_for_each_entry(server, &rpc_server_list, list) {
-		if (!(server->flags & FLAG_REGISTERED)) {
-			rpc_server_register(server);
-			server->flags |= FLAG_REGISTERED;
-		}
-	}
-	mutex_unlock(&rpc_server_list_lock);
-}
-
-int msm_rpc_create_server(struct msm_rpc_server *server)
-{
-	/* make sure we're in a sane state first */
-	server->flags = 0;
-	INIT_LIST_HEAD(&server->list);
-
-	mutex_lock(&rpc_server_list_lock);
-	list_add(&server->list, &rpc_server_list);
-	if (rpc_servers_active) {
-		rpc_server_register(server);
-		server->flags |= FLAG_REGISTERED;
-	}
-	mutex_unlock(&rpc_server_list_lock);
-
-	return 0;
-}
-
-static int rpc_send_accepted_void_reply(struct msm_rpc_endpoint *client,
-					uint32_t xid, uint32_t accept_status)
-{
-	int rc = 0;
-	uint8_t reply_buf[sizeof(struct rpc_reply_hdr)];
-	struct rpc_reply_hdr *reply = (struct rpc_reply_hdr *)reply_buf;
-
-	reply->xid = cpu_to_be32(xid);
-	reply->type = cpu_to_be32(1); /* reply */
-	reply->reply_stat = cpu_to_be32(RPCMSG_REPLYSTAT_ACCEPTED);
-
-	reply->data.acc_hdr.accept_stat = cpu_to_be32(accept_status);
-	reply->data.acc_hdr.verf_flavor = 0;
-	reply->data.acc_hdr.verf_length = 0;
-
-	rc = msm_rpc_write(client, reply_buf, sizeof(reply_buf));
-	if (rc < 0)
-		printk(KERN_ERR
-		       "%s: could not write response: %d\n",
-		       __FUNCTION__, rc);
-
-	return rc;
-}
-
-static int rpc_servers_thread(void *data)
-{
-	void *buffer;
-	struct rpc_request_hdr *req;
-	struct msm_rpc_server *server;
-	int rc;
-
-	for (;;) {
-		rc = wait_event_interruptible(endpoint->wait_q,
-						!list_empty(&endpoint->read_q));
-		rc = msm_rpc_read(endpoint, &buffer, -1, -1);
-		if (rc < 0) {
-			printk(KERN_ERR "%s: could not read: %d\n",
-			       __FUNCTION__, rc);
-			break;
-		}
-		req = (struct rpc_request_hdr *)buffer;
-
-		req->type = be32_to_cpu(req->type);
-		req->xid = be32_to_cpu(req->xid);
-		req->rpc_vers = be32_to_cpu(req->rpc_vers);
-		req->prog = be32_to_cpu(req->prog);
-		req->vers = be32_to_cpu(req->vers);
-		req->procedure = be32_to_cpu(req->procedure);
-
-		server = rpc_server_find(req->prog, req->vers);
-
-		if (req->rpc_vers != 2)
-			continue;
-		if (req->type != 0)
-			continue;
-		if (!server) {
-			rpc_send_accepted_void_reply(
-				endpoint, req->xid,
-				RPC_ACCEPTSTAT_PROG_UNAVAIL);
-			continue;
-		}
-
-		rc = server->rpc_call(server, req, rc);
-
-		switch (rc) {
-		case 0:
-			rpc_send_accepted_void_reply(
-				endpoint, req->xid,
-				RPC_ACCEPTSTAT_SUCCESS);
-			break;
-		default:
-			rpc_send_accepted_void_reply(
-				endpoint, req->xid,
-				RPC_ACCEPTSTAT_PROG_UNAVAIL);
-			break;
-		}
-
-		kfree(buffer);
-	}
-
-	do_exit(0);
-}
-
-static int rpcservers_probe(struct platform_device *pdev)
-{
-	struct task_struct *server_thread;
-
-	endpoint = msm_rpc_open();
-	if (IS_ERR(endpoint))
-		return PTR_ERR(endpoint);
-
-	/* we're online -- register any servers installed beforehand */
-	rpc_servers_active = 1;
-	rpc_server_register_all();
-
-	/* start the kernel thread */
-	server_thread = kthread_run(rpc_servers_thread, NULL, "krpcserversd");
-	if (IS_ERR(server_thread))
-		return PTR_ERR(server_thread);
-
-	return 0;
-}
-
-static struct platform_driver rpcservers_driver = {
-	.probe	= rpcservers_probe,
-	.driver	= {
-		.name	= "oncrpc_router",
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init rpc_servers_init(void)
-{
-	return platform_driver_register(&rpcservers_driver);
-}
-
-module_init(rpc_servers_init);
-
-MODULE_DESCRIPTION("MSM RPC Servers");
-MODULE_AUTHOR("Iliyan Malchev <ibm@android.com>");
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/dream/smd/smd_tty.c b/drivers/staging/dream/smd/smd_tty.c
deleted file mode 100644
index f40944958d4..00000000000
--- a/drivers/staging/dream/smd/smd_tty.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/* arch/arm/mach-msm/smd_tty.c
- *
- * Copyright (C) 2007 Google, Inc.
- * Author: Brian Swetland <swetland@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#include <linux/device.h>
-#include <linux/wait.h>
-
-#include <linux/tty.h>
-#include <linux/tty_driver.h>
-#include <linux/tty_flip.h>
-
-#include <mach/msm_smd.h>
-
-#define MAX_SMD_TTYS 32
-
-static DEFINE_MUTEX(smd_tty_lock);
-
-struct smd_tty_info {
-	smd_channel_t *ch;
-	struct tty_struct *tty;
-	int open_count;
-};
-
-static struct smd_tty_info smd_tty[MAX_SMD_TTYS];
-
-
-static void smd_tty_notify(void *priv, unsigned event)
-{
-	unsigned char *ptr;
-	int avail;
-	struct smd_tty_info *info = priv;
-	struct tty_struct *tty = info->tty;
-
-	if (!tty)
-		return;
-
-	if (event != SMD_EVENT_DATA)
-		return;
-
-	for (;;) {
-		if (test_bit(TTY_THROTTLED, &tty->flags)) break;
-		avail = smd_read_avail(info->ch);
-		if (avail == 0) break;
-
-		avail = tty_prepare_flip_string(tty, &ptr, avail);
-
-		if (smd_read(info->ch, ptr, avail) != avail) {
-			/* shouldn't be possible since we're in interrupt
-			** context here and nobody else could 'steal' our
-			** characters.
-			*/
-			printk(KERN_ERR "OOPS - smd_tty_buffer mismatch?!");
-		}
-
-		tty_flip_buffer_push(tty);
-	}
-
-	/* XXX only when writable and necessary */
-	tty_wakeup(tty);
-}
-
-static int smd_tty_open(struct tty_struct *tty, struct file *f)
-{
-	int res = 0;
-	int n = tty->index;
-	struct smd_tty_info *info;
-	const char *name;
-
-	if (n == 0) {
-		name = "SMD_DS";
-	} else if (n == 27) {
-		name = "SMD_GPSNMEA";
-	} else {
-		return -ENODEV;
-	}
-
-	info = smd_tty + n;
-
-	mutex_lock(&smd_tty_lock);
-	tty->driver_data = info;
-
-	if (info->open_count++ == 0) {
-		info->tty = tty;
-		if (info->ch) {
-			smd_kick(info->ch);
-		} else {
-			res = smd_open(name, &info->ch, info, smd_tty_notify);
-		}
-	}
-	mutex_unlock(&smd_tty_lock);
-
-	return res;
-}
-
-static void smd_tty_close(struct tty_struct *tty, struct file *f)
-{
-	struct smd_tty_info *info = tty->driver_data;
-
-	if (info == 0)
-		return;
-
-	mutex_lock(&smd_tty_lock);
-	if (--info->open_count == 0) {
-		info->tty = 0;
-		tty->driver_data = 0;
-		if (info->ch) {
-			smd_close(info->ch);
-			info->ch = 0;
-		}
-	}
-	mutex_unlock(&smd_tty_lock);
-}
-
-static int smd_tty_write(struct tty_struct *tty, const unsigned char *buf, int len)
-{
-	struct smd_tty_info *info = tty->driver_data;
-	int avail;
-
-	/* if we're writing to a packet channel we will
-	** never be able to write more data than there
-	** is currently space for
-	*/
-	avail = smd_write_avail(info->ch);
-	if (len > avail)
-		len = avail;
-
-	return smd_write(info->ch, buf, len);
-}
-
-static int smd_tty_write_room(struct tty_struct *tty)
-{
-	struct smd_tty_info *info = tty->driver_data;
-	return smd_write_avail(info->ch);
-}
-
-static int smd_tty_chars_in_buffer(struct tty_struct *tty)
-{
-	struct smd_tty_info *info = tty->driver_data;
-	return smd_read_avail(info->ch);
-}
-
-static void smd_tty_unthrottle(struct tty_struct *tty)
-{
-	struct smd_tty_info *info = tty->driver_data;
-	smd_kick(info->ch);
-}
-
-static struct tty_operations smd_tty_ops = {
-	.open = smd_tty_open,
-	.close = smd_tty_close,
-	.write = smd_tty_write,
-	.write_room = smd_tty_write_room,
-	.chars_in_buffer = smd_tty_chars_in_buffer,
-	.unthrottle = smd_tty_unthrottle,
-};
-
-static struct tty_driver *smd_tty_driver;
-
-static int __init smd_tty_init(void)
-{
-	int ret;
-
-	smd_tty_driver = alloc_tty_driver(MAX_SMD_TTYS);
-	if (smd_tty_driver == 0)
-		return -ENOMEM;
-
-	smd_tty_driver->owner = THIS_MODULE;
-	smd_tty_driver->driver_name = "smd_tty_driver";
-	smd_tty_driver->name = "smd";
-	smd_tty_driver->major = 0;
-	smd_tty_driver->minor_start = 0;
-	smd_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
-	smd_tty_driver->subtype = SERIAL_TYPE_NORMAL;
-	smd_tty_driver->init_termios = tty_std_termios;
-	smd_tty_driver->init_termios.c_iflag = 0;
-	smd_tty_driver->init_termios.c_oflag = 0;
-	smd_tty_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
-	smd_tty_driver->init_termios.c_lflag = 0;
-	smd_tty_driver->flags = TTY_DRIVER_RESET_TERMIOS |
-		TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
-	tty_set_operations(smd_tty_driver, &smd_tty_ops);
-
-	ret = tty_register_driver(smd_tty_driver);
-	if (ret) return ret;
-
-	/* this should be dynamic */
-	tty_register_device(smd_tty_driver, 0, 0);
-	tty_register_device(smd_tty_driver, 27, 0);
-
-	return 0;
-}
-
-module_init(smd_tty_init);

From 442f9cb5858ec86f6f05df0058cec0bf4b873534 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Wed, 12 May 2010 18:59:44 -0300
Subject: [PATCH 1443/3638] staging: vt6656: code cleanup, replaced U8 macro
 with u8

Removed custom macro for unsigned 8-bit integers.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/iocmd.h | 64 +++++++++++++++++-----------------
 drivers/staging/vt6656/ttype.h |  8 -----
 2 files changed, 32 insertions(+), 40 deletions(-)

diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
index 67ec7d75805..7fcf085bb4c 100644
--- a/drivers/staging/vt6656/iocmd.h
+++ b/drivers/staging/vt6656/iocmd.h
@@ -109,7 +109,7 @@ typedef enum tagWZONETYPE {
 //
 #pragma pack(1)
 typedef struct tagSCmdRequest {
-	U8 	    name[16];
+	u8 name[16];
 	void	*data;
 	U16	    wResult;
 	U16     wCmdCode;
@@ -121,7 +121,7 @@ typedef struct tagSCmdRequest {
 
 typedef struct tagSCmdScan {
 
-    U8	    ssid[SSID_MAXLEN + 2];
+    u8	    ssid[SSID_MAXLEN + 2];
 
 } SCmdScan, *PSCmdScan;
 
@@ -134,7 +134,7 @@ typedef struct tagSCmdBSSJoin {
 
     U16	    wBSSType;
     U16     wBBPType;
-    U8	    ssid[SSID_MAXLEN + 2];
+    u8	    ssid[SSID_MAXLEN + 2];
     U32	    uChannel;
     BOOL    bPSEnable;
     BOOL    bShareKeyAuth;
@@ -155,9 +155,9 @@ typedef struct tagSCmdZoneTypeSet {
 #ifdef WPA_SM_Transtatus
 typedef struct tagSWPAResult {
          char	ifname[100];
-         U8		proto;
-         U8   key_mgmt;
-         U8   eap_type;
+	u8 proto;
+	u8 key_mgmt;
+	u8 eap_type;
          BOOL authenticated;
 } SWPAResult, *PSWPAResult;
 #endif
@@ -166,11 +166,11 @@ typedef struct tagSCmdStartAP {
 
     U16	    wBSSType;
     U16     wBBPType;
-    U8	    ssid[SSID_MAXLEN + 2];
+    u8	    ssid[SSID_MAXLEN + 2];
     U32 	uChannel;
     U32     uBeaconInt;
     BOOL    bShareKeyAuth;
-    U8      byBasicRate;
+    u8      byBasicRate;
 
 } SCmdStartAP, *PSCmdStartAP;
 
@@ -178,8 +178,8 @@ typedef struct tagSCmdStartAP {
 typedef struct tagSCmdSetWEP {
 
     BOOL    bEnableWep;
-    U8      byKeyIndex;
-    U8      abyWepKey[WEP_NKEYS][WEP_KEYMAXLEN];
+    u8      byKeyIndex;
+    u8      abyWepKey[WEP_NKEYS][WEP_KEYMAXLEN];
     BOOL    bWepKeyAvailable[WEP_NKEYS];
     U32     auWepKeyLength[WEP_NKEYS];
 
@@ -190,11 +190,11 @@ typedef struct tagSCmdSetWEP {
 typedef struct tagSBSSIDItem {
 
 	U32	    uChannel;
-    U8      abyBSSID[BSSID_LEN];
-    U8      abySSID[SSID_MAXLEN + 1];
+    u8      abyBSSID[BSSID_LEN];
+    u8      abySSID[SSID_MAXLEN + 1];
     U16	    wBeaconInterval;
     U16	    wCapInfo;
-    U8      byNetType;
+    u8      byNetType;
     BOOL    bWEPOn;
     U32     uRSSI;
 
@@ -211,15 +211,15 @@ typedef struct tagSBSSIDList {
 typedef struct tagSNodeItem {
     // STA info
     U16            wAID;
-    U8             abyMACAddr[6];
+    u8             abyMACAddr[6];
     U16            wTxDataRate;
     U16            wInActiveCount;
     U16            wEnQueueCnt;
     U16            wFlags;
     BOOL           bPWBitOn;
-    U8             byKeyIndex;
+    u8             byKeyIndex;
     U16            wWepKeyLength;
-    U8            abyWepKey[WEP_KEYMAXLEN];
+    u8            abyWepKey[WEP_KEYMAXLEN];
     // Auto rate fallback vars
     BOOL           bIsInFallback;
     U32            uTxFailures;
@@ -241,9 +241,9 @@ typedef struct tagSCmdLinkStatus {
 
     BOOL    bLink;
 	U16	    wBSSType;
-	U8      byState;
-    U8      abyBSSID[BSSID_LEN];
-    U8      abySSID[SSID_MAXLEN + 2];
+	u8      byState;
+    u8      abyBSSID[BSSID_LEN];
+    u8      abySSID[SSID_MAXLEN + 2];
     U32     uChannel;
     U32     uLinkRate;
 
@@ -353,8 +353,8 @@ typedef struct tagSStatMIBCount {
     U32   dwCntRxFrmLength;
     U32   dwCntTxBufLength;
 
-    U8    abyCntRxPattern[16];
-    U8    abyCntTxPattern[16];
+    u8    abyCntRxPattern[16];
+    u8    abyCntTxPattern[16];
 
     // Software check....
     U32   dwCntRxDataErr;             // rx buffer data software compare CRC err count
@@ -415,24 +415,24 @@ enum {
 
 struct viawget_hostapd_param {
 	U32 cmd;
-	U8 sta_addr[6];
+	u8 sta_addr[6];
 	union {
 		struct {
 			U16 aid;
 			U16 capability;
-			U8 tx_supp_rates;
+			u8 tx_supp_rates;
 		} add_sta;
 		struct {
 			U32 inactive_sec;
 		} get_info_sta;
 		struct {
-			U8 alg;
+			u8 alg;
 			U32 flags;
 			U32 err;
-			U8 idx;
-			U8 seq[8];
+			u8 idx;
+			u8 seq[8];
 			U16 key_len;
-			U8 key[0];
+			u8 key[0];
 		} crypt;
 		struct {
 			U32 flags_and;
@@ -441,19 +441,19 @@ struct viawget_hostapd_param {
 		struct {
 			U16 rid;
 			U16 len;
-			U8 data[0];
+			u8 data[0];
 		} rid;
 		struct {
-			U8 len;
-			U8 data[0];
+			u8 len;
+			u8 data[0];
 		} generic_elem;
 		struct {
 			U16 cmd;
 			U16 reason_code;
 		} mlme;
 		struct {
-			U8 ssid_len;
-			U8 ssid[32];
+			u8 ssid_len;
+			u8 ssid[32];
 		} scan_req;
 	} u;
 };
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 13e8bbb6711..d7cf663f445 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -26,11 +26,9 @@
  *
  */
 
-
 #ifndef __TTYPE_H__
 #define __TTYPE_H__
 
-
 /******* Common definitions and typedefs ***********************************/
 
 //2007-0115-05<Add>by MikeLiu
@@ -40,7 +38,6 @@
 
 //DavidWang
 
-
 //2007-0814-01<Add>by MikeLiu
 #ifndef Safe_Close
 #define Safe_Close
@@ -82,11 +79,9 @@ typedef int             BOOL;
 
 typedef signed char             I8;     /* 8-bit signed integer */
 
-typedef unsigned char           U8;     /* 8-bit unsigned integer */
 typedef unsigned short          U16;    /* 16-bit unsigned integer */
 typedef unsigned long           U32;    /* 32-bit unsigned integer */
 
-
 typedef char            CHAR;
 typedef signed short    SHORT;
 typedef signed int      INT;
@@ -98,8 +93,6 @@ typedef unsigned int    UINT;
 typedef unsigned long   ULONG;
 typedef unsigned long long	ULONGLONG; //64 bit
 
-
-
 typedef unsigned char   BYTE;           //  8-bit
 typedef unsigned short  WORD;           // 16-bit
 typedef unsigned long   DWORD;          // 32-bit
@@ -116,7 +109,6 @@ typedef union tagUQuadWord {
 } UQuadWord;
 typedef UQuadWord       QWORD;          // 64-bit
 
-
 /****** Common pointer types ***********************************************/
 
 typedef unsigned long   ULONG_PTR;      // 32-bit

From 26233e6e27e890d592708a3cd233667820c40254 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Wed, 12 May 2010 18:59:45 -0300
Subject: [PATCH 1444/3638] staging: vt6656: code cleanup, replaced U16 macro
 with u16

Removed custom macro for unsigned 16-bit integers.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/iocmd.h | 46 +++++++++++++++++-----------------
 drivers/staging/vt6656/ttype.h |  1 -
 2 files changed, 23 insertions(+), 24 deletions(-)

diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
index 7fcf085bb4c..27ba8b7fc0f 100644
--- a/drivers/staging/vt6656/iocmd.h
+++ b/drivers/staging/vt6656/iocmd.h
@@ -111,8 +111,8 @@ typedef enum tagWZONETYPE {
 typedef struct tagSCmdRequest {
 	u8 name[16];
 	void	*data;
-	U16	    wResult;
-	U16     wCmdCode;
+	u16	    wResult;
+	u16     wCmdCode;
 } SCmdRequest, *PSCmdRequest;
 
 //
@@ -132,8 +132,8 @@ typedef struct tagSCmdScan {
 
 typedef struct tagSCmdBSSJoin {
 
-    U16	    wBSSType;
-    U16     wBBPType;
+    u16	    wBSSType;
+    u16     wBBPType;
     u8	    ssid[SSID_MAXLEN + 2];
     U32	    uChannel;
     BOOL    bPSEnable;
@@ -164,8 +164,8 @@ typedef struct tagSWPAResult {
 
 typedef struct tagSCmdStartAP {
 
-    U16	    wBSSType;
-    U16     wBBPType;
+    u16	    wBSSType;
+    u16     wBBPType;
     u8	    ssid[SSID_MAXLEN + 2];
     U32 	uChannel;
     U32     uBeaconInt;
@@ -192,8 +192,8 @@ typedef struct tagSBSSIDItem {
 	U32	    uChannel;
     u8      abyBSSID[BSSID_LEN];
     u8      abySSID[SSID_MAXLEN + 1];
-    U16	    wBeaconInterval;
-    U16	    wCapInfo;
+    u16	    wBeaconInterval;
+    u16	    wCapInfo;
     u8      byNetType;
     BOOL    bWEPOn;
     U32     uRSSI;
@@ -210,21 +210,21 @@ typedef struct tagSBSSIDList {
 
 typedef struct tagSNodeItem {
     // STA info
-    U16            wAID;
+    u16            wAID;
     u8             abyMACAddr[6];
-    U16            wTxDataRate;
-    U16            wInActiveCount;
-    U16            wEnQueueCnt;
-    U16            wFlags;
+    u16            wTxDataRate;
+    u16            wInActiveCount;
+    u16            wEnQueueCnt;
+    u16            wFlags;
     BOOL           bPWBitOn;
     u8             byKeyIndex;
-    U16            wWepKeyLength;
+    u16            wWepKeyLength;
     u8            abyWepKey[WEP_KEYMAXLEN];
     // Auto rate fallback vars
     BOOL           bIsInFallback;
     U32            uTxFailures;
     U32            uTxAttempts;
-    U16            wFailureRatio;
+    u16            wFailureRatio;
 
 } SNodeItem;
 
@@ -240,7 +240,7 @@ typedef struct tagSNodeList {
 typedef struct tagSCmdLinkStatus {
 
     BOOL    bLink;
-	U16	    wBSSType;
+	u16	    wBSSType;
 	u8      byState;
     u8      abyBSSID[BSSID_LEN];
     u8      abySSID[SSID_MAXLEN + 2];
@@ -418,8 +418,8 @@ struct viawget_hostapd_param {
 	u8 sta_addr[6];
 	union {
 		struct {
-			U16 aid;
-			U16 capability;
+			u16 aid;
+			u16 capability;
 			u8 tx_supp_rates;
 		} add_sta;
 		struct {
@@ -431,7 +431,7 @@ struct viawget_hostapd_param {
 			U32 err;
 			u8 idx;
 			u8 seq[8];
-			U16 key_len;
+			u16 key_len;
 			u8 key[0];
 		} crypt;
 		struct {
@@ -439,8 +439,8 @@ struct viawget_hostapd_param {
 			U32 flags_or;
 		} set_flags_sta;
 		struct {
-			U16 rid;
-			U16 len;
+			u16 rid;
+			u16 len;
 			u8 data[0];
 		} rid;
 		struct {
@@ -448,8 +448,8 @@ struct viawget_hostapd_param {
 			u8 data[0];
 		} generic_elem;
 		struct {
-			U16 cmd;
-			U16 reason_code;
+			u16 cmd;
+			u16 reason_code;
 		} mlme;
 		struct {
 			u8 ssid_len;
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index d7cf663f445..2b8419af790 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -79,7 +79,6 @@ typedef int             BOOL;
 
 typedef signed char             I8;     /* 8-bit signed integer */
 
-typedef unsigned short          U16;    /* 16-bit unsigned integer */
 typedef unsigned long           U32;    /* 32-bit unsigned integer */
 
 typedef char            CHAR;

From 659770d4033373340bc24fc125d1f3ba215e4669 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Wed, 12 May 2010 18:59:46 -0300
Subject: [PATCH 1445/3638] staging: vt6656: code cleanup, replaced U32 macro
 with u32

Removed custom macro for unsigned 32-bit integers.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/device.h |   8 +-
 drivers/staging/vt6656/iocmd.h  | 231 ++++++++++++++------------------
 drivers/staging/vt6656/ttype.h  |   2 -
 3 files changed, 108 insertions(+), 133 deletions(-)

diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index 6d255ca1d6f..b507bb8193d 100644
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -435,7 +435,7 @@ typedef struct __device_opt {
     int         short_retry;
     int         long_retry;
     int         bbp_type;
-    U32         flags;
+    u32         flags;
 } OPTIONS, *POPTIONS;
 
 
@@ -453,17 +453,17 @@ typedef struct __device_info {
 	struct tasklet_struct       ReadWorkItem;
 	struct tasklet_struct       RxMngWorkItem;
 
-    U32                         rx_buf_sz;
+    u32                         rx_buf_sz;
     int                         multicast_limit;
     BYTE                        byRxMode;
 
     spinlock_t                  lock;
 
-    U32                         rx_bytes;
+    u32                         rx_bytes;
 
     BYTE                        byRevId;
 
-    U32                         flags;
+    u32                         flags;
     ULONG                       Flags;
 
     SCache                      sDupRxCache;
diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
index 27ba8b7fc0f..fbba1d53e49 100644
--- a/drivers/staging/vt6656/iocmd.h
+++ b/drivers/staging/vt6656/iocmd.h
@@ -37,12 +37,6 @@
 #define DEF
 #endif
 
-//typedef int BOOL;
-//typedef uint32_t u32;
-//typedef uint16_t u16;
-//typedef uint8_t u8;
-
-
 // ioctl Command code
 #define MAGIC_CODE	                 0x3142
 #define IOCTL_CMD_TEST	            (SIOCDEVPRIVATE + 0)
@@ -50,7 +44,6 @@
 #define IOCTL_CMD_HOSTAPD           (SIOCDEVPRIVATE + 2)
 #define IOCTL_CMD_WPA               (SIOCDEVPRIVATE + 3)
 
-
 typedef enum tagWMAC_CMD {
 
     WLAN_CMD_BSS_SCAN,
@@ -90,7 +83,6 @@ typedef enum tagWZONETYPE {
 #define ADHOC_STARTED	   1
 #define ADHOC_JOINTED	   2
 
-
 #define PHY80211a 	    0
 #define PHY80211b       1
 #define PHY80211g       2
@@ -125,7 +117,6 @@ typedef struct tagSCmdScan {
 
 } SCmdScan, *PSCmdScan;
 
-
 //
 // BSS Join
 //
@@ -135,7 +126,7 @@ typedef struct tagSCmdBSSJoin {
     u16	    wBSSType;
     u16     wBBPType;
     u8	    ssid[SSID_MAXLEN + 2];
-    U32	    uChannel;
+    u32	    uChannel;
     BOOL    bPSEnable;
     BOOL    bShareKeyAuth;
 
@@ -167,43 +158,40 @@ typedef struct tagSCmdStartAP {
     u16	    wBSSType;
     u16     wBBPType;
     u8	    ssid[SSID_MAXLEN + 2];
-    U32 	uChannel;
-    U32     uBeaconInt;
+	u32 uChannel;
+	u32 uBeaconInt;
     BOOL    bShareKeyAuth;
     u8      byBasicRate;
 
 } SCmdStartAP, *PSCmdStartAP;
 
-
 typedef struct tagSCmdSetWEP {
 
     BOOL    bEnableWep;
     u8      byKeyIndex;
     u8      abyWepKey[WEP_NKEYS][WEP_KEYMAXLEN];
     BOOL    bWepKeyAvailable[WEP_NKEYS];
-    U32     auWepKeyLength[WEP_NKEYS];
+    u32     auWepKeyLength[WEP_NKEYS];
 
 } SCmdSetWEP, *PSCmdSetWEP;
 
-
-
 typedef struct tagSBSSIDItem {
 
-	U32	    uChannel;
+	u32	    uChannel;
     u8      abyBSSID[BSSID_LEN];
     u8      abySSID[SSID_MAXLEN + 1];
     u16	    wBeaconInterval;
     u16	    wCapInfo;
     u8      byNetType;
     BOOL    bWEPOn;
-    U32     uRSSI;
+    u32     uRSSI;
 
 } SBSSIDItem;
 
 
 typedef struct tagSBSSIDList {
 
-	U32		    uItem;
+	u32		    uItem;
 	SBSSIDItem	sBSSIDList[0];
 } SBSSIDList, *PSBSSIDList;
 
@@ -222,8 +210,8 @@ typedef struct tagSNodeItem {
     u8            abyWepKey[WEP_KEYMAXLEN];
     // Auto rate fallback vars
     BOOL           bIsInFallback;
-    U32            uTxFailures;
-    U32            uTxAttempts;
+    u32            uTxFailures;
+    u32            uTxAttempts;
     u16            wFailureRatio;
 
 } SNodeItem;
@@ -231,7 +219,7 @@ typedef struct tagSNodeItem {
 
 typedef struct tagSNodeList {
 
-	U32		    uItem;
+	u32		    uItem;
 	SNodeItem	sNodeList[0];
 
 } SNodeList, *PSNodeList;
@@ -244,8 +232,8 @@ typedef struct tagSCmdLinkStatus {
 	u8      byState;
     u8      abyBSSID[BSSID_LEN];
     u8      abySSID[SSID_MAXLEN + 2];
-    U32     uChannel;
-    U32     uLinkRate;
+    u32     uChannel;
+    u32     uLinkRate;
 
 } SCmdLinkStatus, *PSCmdLinkStatus;
 
@@ -253,18 +241,18 @@ typedef struct tagSCmdLinkStatus {
 // 802.11 counter
 //
 typedef struct tagSDot11MIBCount {
-    U32 TransmittedFragmentCount;
-    U32 MulticastTransmittedFrameCount;
-    U32 FailedCount;
-    U32 RetryCount;
-    U32 MultipleRetryCount;
-    U32 RTSSuccessCount;
-    U32 RTSFailureCount;
-    U32 ACKFailureCount;
-    U32 FrameDuplicateCount;
-    U32 ReceivedFragmentCount;
-    U32 MulticastReceivedFrameCount;
-    U32 FCSErrorCount;
+    u32 TransmittedFragmentCount;
+    u32 MulticastTransmittedFrameCount;
+    u32 FailedCount;
+    u32 RetryCount;
+    u32 MultipleRetryCount;
+    u32 RTSSuccessCount;
+    u32 RTSFailureCount;
+    u32 ACKFailureCount;
+    u32 FrameDuplicateCount;
+    u32 ReceivedFragmentCount;
+    u32 MulticastReceivedFrameCount;
+    u32 FCSErrorCount;
 } SDot11MIBCount, *PSDot11MIBCount;
 
 
@@ -276,119 +264,115 @@ typedef struct tagSStatMIBCount {
     //
     // ISR status count
     //
-    U32   dwIsrTx0OK;
-    U32   dwIsrTx1OK;
-    U32   dwIsrBeaconTxOK;
-    U32   dwIsrRxOK;
-    U32   dwIsrTBTTInt;
-    U32   dwIsrSTIMERInt;
-    U32   dwIsrUnrecoverableError;
-    U32   dwIsrSoftInterrupt;
-    U32   dwIsrRxNoBuf;
+    u32   dwIsrTx0OK;
+    u32   dwIsrTx1OK;
+    u32   dwIsrBeaconTxOK;
+    u32   dwIsrRxOK;
+    u32   dwIsrTBTTInt;
+    u32   dwIsrSTIMERInt;
+    u32   dwIsrUnrecoverableError;
+    u32   dwIsrSoftInterrupt;
+    u32   dwIsrRxNoBuf;
     /////////////////////////////////////
 
-    U32   dwIsrUnknown;               // unknown interrupt count
+	u32 dwIsrUnknown; /* unknown interrupt count */
 
     // RSR status count
     //
-    U32   dwRsrFrmAlgnErr;
-    U32   dwRsrErr;
-    U32   dwRsrCRCErr;
-    U32   dwRsrCRCOk;
-    U32   dwRsrBSSIDOk;
-    U32   dwRsrADDROk;
-    U32   dwRsrICVOk;
-    U32   dwNewRsrShortPreamble;
-    U32   dwRsrLong;
-    U32   dwRsrRunt;
+    u32   dwRsrFrmAlgnErr;
+    u32   dwRsrErr;
+    u32   dwRsrCRCErr;
+    u32   dwRsrCRCOk;
+    u32   dwRsrBSSIDOk;
+    u32   dwRsrADDROk;
+    u32   dwRsrICVOk;
+    u32   dwNewRsrShortPreamble;
+    u32   dwRsrLong;
+    u32   dwRsrRunt;
 
-    U32   dwRsrRxControl;
-    U32   dwRsrRxData;
-    U32   dwRsrRxManage;
+    u32   dwRsrRxControl;
+    u32   dwRsrRxData;
+    u32   dwRsrRxManage;
 
-    U32   dwRsrRxPacket;
-    U32   dwRsrRxOctet;
-    U32   dwRsrBroadcast;
-    U32   dwRsrMulticast;
-    U32   dwRsrDirected;
+    u32   dwRsrRxPacket;
+    u32   dwRsrRxOctet;
+    u32   dwRsrBroadcast;
+    u32   dwRsrMulticast;
+    u32   dwRsrDirected;
     // 64-bit OID
-    U32   ullRsrOK;
+    u32   ullRsrOK;
 
     // for some optional OIDs (64 bits) and DMI support
-    U32   ullRxBroadcastBytes;
-    U32   ullRxMulticastBytes;
-    U32   ullRxDirectedBytes;
-    U32   ullRxBroadcastFrames;
-    U32   ullRxMulticastFrames;
-    U32   ullRxDirectedFrames;
+    u32   ullRxBroadcastBytes;
+    u32   ullRxMulticastBytes;
+    u32   ullRxDirectedBytes;
+    u32   ullRxBroadcastFrames;
+    u32   ullRxMulticastFrames;
+    u32   ullRxDirectedFrames;
 
-    U32   dwRsrRxFragment;
-    U32   dwRsrRxFrmLen64;
-    U32   dwRsrRxFrmLen65_127;
-    U32   dwRsrRxFrmLen128_255;
-    U32   dwRsrRxFrmLen256_511;
-    U32   dwRsrRxFrmLen512_1023;
-    U32   dwRsrRxFrmLen1024_1518;
+    u32   dwRsrRxFragment;
+    u32   dwRsrRxFrmLen64;
+    u32   dwRsrRxFrmLen65_127;
+    u32   dwRsrRxFrmLen128_255;
+    u32   dwRsrRxFrmLen256_511;
+    u32   dwRsrRxFrmLen512_1023;
+    u32   dwRsrRxFrmLen1024_1518;
 
     // TSR0,1 status count
     //
-    U32   dwTsrTotalRetry[2];        // total collision retry count
-    U32   dwTsrOnceRetry[2];         // this packet only occur one collision
-    U32   dwTsrMoreThanOnceRetry[2]; // this packet occur more than one collision
-    U32   dwTsrRetry[2];             // this packet has ever occur collision,
-                                       // that is (dwTsrOnceCollision0 + dwTsrMoreThanOnceCollision0)
-    U32   dwTsrACKData[2];
-    U32   dwTsrErr[2];
-    U32   dwAllTsrOK[2];
-    U32   dwTsrRetryTimeout[2];
-    U32   dwTsrTransmitTimeout[2];
+	u32 dwTsrTotalRetry[2];        /* total collision retry count */
+	u32 dwTsrOnceRetry[2];         /* this packet had one collision */
+	u32 dwTsrMoreThanOnceRetry[2]; /* this packet had many collisions */
+	u32 dwTsrRetry[2];             /* this packet has ever occur collision,
+					* that is (dwTsrOnceCollision0 plus
+					* dwTsrMoreThanOnceCollision0) */
+    u32   dwTsrACKData[2];
+    u32   dwTsrErr[2];
+    u32   dwAllTsrOK[2];
+    u32   dwTsrRetryTimeout[2];
+    u32   dwTsrTransmitTimeout[2];
 
-    U32   dwTsrTxPacket[2];
-    U32   dwTsrTxOctet[2];
-    U32   dwTsrBroadcast[2];
-    U32   dwTsrMulticast[2];
-    U32   dwTsrDirected[2];
+    u32   dwTsrTxPacket[2];
+    u32   dwTsrTxOctet[2];
+    u32   dwTsrBroadcast[2];
+    u32   dwTsrMulticast[2];
+    u32   dwTsrDirected[2];
 
     // RD/TD count
-    U32   dwCntRxFrmLength;
-    U32   dwCntTxBufLength;
+    u32   dwCntRxFrmLength;
+    u32   dwCntTxBufLength;
 
     u8    abyCntRxPattern[16];
     u8    abyCntTxPattern[16];
 
-    // Software check....
-    U32   dwCntRxDataErr;             // rx buffer data software compare CRC err count
-    U32   dwCntDecryptErr;            // rx buffer data software compare CRC err count
-    U32   dwCntRxICVErr;              // rx buffer data software compare CRC err count
-    U32    idxRxErrorDesc;             // index for rx data error RD
+	/* Software check.... */
+	u32 dwCntRxDataErr;  /* rx buffer data CRC err count */
+	u32 dwCntDecryptErr; /* rx buffer data CRC err count */
+	u32 dwCntRxICVErr;   /* rx buffer data CRC err count */
+	u32 idxRxErrorDesc;  /* index for rx data error RD */
 
-    // 64-bit OID
-    U32   ullTsrOK[2];
+	/* 64-bit OID */
+	u32   ullTsrOK[2];
 
     // for some optional OIDs (64 bits) and DMI support
-    U32   ullTxBroadcastFrames[2];
-    U32   ullTxMulticastFrames[2];
-    U32   ullTxDirectedFrames[2];
-    U32   ullTxBroadcastBytes[2];
-    U32   ullTxMulticastBytes[2];
-    U32   ullTxDirectedBytes[2];
+    u32   ullTxBroadcastFrames[2];
+    u32   ullTxMulticastFrames[2];
+    u32   ullTxDirectedFrames[2];
+    u32   ullTxBroadcastBytes[2];
+    u32   ullTxMulticastBytes[2];
+    u32   ullTxDirectedBytes[2];
 } SStatMIBCount, *PSStatMIBCount;
 
-
-
-
 typedef struct tagSCmdValue {
 
-    U32     dwValue;
+    u32     dwValue;
 
 } SCmdValue,  *PSCmdValue;
 
-
 //
 // hostapd & viawget ioctl related
 //
 
-
 // VIAGWET_IOCTL_HOSTAPD ioctl() cmd:
 enum {
 	VIAWGET_HOSTAPD_FLUSH = 1,
@@ -405,16 +389,13 @@ enum {
 	VIAWGET_HOSTAPD_STA_CLEAR_STATS = 12,
 };
 
-
 #define VIAWGET_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \
 ((int) (&((struct viawget_hostapd_param *) 0)->u.generic_elem.data))
 
 // Maximum length for algorithm names (-1 for nul termination) used in ioctl()
 
-
-
 struct viawget_hostapd_param {
-	U32 cmd;
+	u32 cmd;
 	u8 sta_addr[6];
 	union {
 		struct {
@@ -423,20 +404,20 @@ struct viawget_hostapd_param {
 			u8 tx_supp_rates;
 		} add_sta;
 		struct {
-			U32 inactive_sec;
+			u32 inactive_sec;
 		} get_info_sta;
 		struct {
 			u8 alg;
-			U32 flags;
-			U32 err;
+			u32 flags;
+			u32 err;
 			u8 idx;
 			u8 seq[8];
 			u16 key_len;
 			u8 key[0];
 		} crypt;
 		struct {
-			U32 flags_and;
-			U32 flags_or;
+			u32 flags_and;
+			u32 flags_or;
 		} set_flags_sta;
 		struct {
 			u16 rid;
@@ -458,16 +439,12 @@ struct viawget_hostapd_param {
 	} u;
 };
 
-
-
 /*---------------------  Export Classes  ----------------------------*/
 
 /*---------------------  Export Variables  --------------------------*/
 
-
 /*---------------------  Export Types  ------------------------------*/
 
-
 /*---------------------  Export Functions  --------------------------*/
 
 #endif /* __IOCMD_H__ */
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 2b8419af790..a85d4f88e09 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -79,8 +79,6 @@ typedef int             BOOL;
 
 typedef signed char             I8;     /* 8-bit signed integer */
 
-typedef unsigned long           U32;    /* 32-bit unsigned integer */
-
 typedef char            CHAR;
 typedef signed short    SHORT;
 typedef signed int      INT;

From 71e510673134999627fd180181079ffccb9ec756 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Wed, 12 May 2010 18:59:47 -0300
Subject: [PATCH 1446/3638] staging: vt6656: code cleanup, removed unused I8
 macro

Removed custom macro for signed 8-bit integers, which was not used.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/ttype.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index a85d4f88e09..4dfe00acf24 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -72,13 +72,6 @@ typedef int             BOOL;
 
 /****** Simple typedefs  ***************************************************/
 
-/* These lines assume that your compiler's longs are 32 bits and
- * shorts are 16 bits. It is already assumed that chars are 8 bits,
- * but it doesn't matter if they're signed or unsigned.
- */
-
-typedef signed char             I8;     /* 8-bit signed integer */
-
 typedef char            CHAR;
 typedef signed short    SHORT;
 typedef signed int      INT;

From 3a215e0ff4184314f7f1a099354a272ddedff289 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Wed, 12 May 2010 20:54:39 -0700
Subject: [PATCH 1447/3638] Staging: vt6655: remove IN definition
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Remove empty IN definition used to specify input parameters.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/80211mgr.c    |  44 +--
 drivers/staging/vt6655/80211mgr.h    |  44 +--
 drivers/staging/vt6655/IEEE11h.c     |   6 +-
 drivers/staging/vt6655/IEEE11h.h     |   2 +-
 drivers/staging/vt6655/baseband.c    |  24 +-
 drivers/staging/vt6655/baseband.h    |  20 +-
 drivers/staging/vt6655/bssdb.c       | 138 ++++----
 drivers/staging/vt6655/bssdb.h       | 126 +++----
 drivers/staging/vt6655/card.c        |  90 ++---
 drivers/staging/vt6655/card.h        |  78 ++---
 drivers/staging/vt6655/datarate.c    |  26 +-
 drivers/staging/vt6655/datarate.h    |  22 +-
 drivers/staging/vt6655/device_main.c |   2 +-
 drivers/staging/vt6655/dpc.c         | 108 +++---
 drivers/staging/vt6655/dpc.h         |   4 +-
 drivers/staging/vt6655/ioctl.c       |   8 +-
 drivers/staging/vt6655/ioctl.h       |   8 +-
 drivers/staging/vt6655/key.c         |  14 +-
 drivers/staging/vt6655/key.h         |  14 +-
 drivers/staging/vt6655/power.c       |  20 +-
 drivers/staging/vt6655/power.h       |  22 +-
 drivers/staging/vt6655/rf.c          |  20 +-
 drivers/staging/vt6655/rf.h          |  12 +-
 drivers/staging/vt6655/rxtx.c        | 342 +++++++++----------
 drivers/staging/vt6655/rxtx.h        |  64 ++--
 drivers/staging/vt6655/ttype.h       |   4 -
 drivers/staging/vt6655/vntwifi.c     | 102 +++---
 drivers/staging/vt6655/vntwifi.h     | 104 +++---
 drivers/staging/vt6655/wcmd.c        |  46 +--
 drivers/staging/vt6655/wcmd.h        |  18 +-
 drivers/staging/vt6655/wmgr.c        | 488 +++++++++++++--------------
 drivers/staging/vt6655/wmgr.h        |  58 ++--
 drivers/staging/vt6655/wpa.c         |  10 +-
 drivers/staging/vt6655/wpa.h         |  10 +-
 drivers/staging/vt6655/wpa2.c        |   8 +-
 drivers/staging/vt6655/wpa2.h        |   8 +-
 36 files changed, 1055 insertions(+), 1059 deletions(-)

diff --git a/drivers/staging/vt6655/80211mgr.c b/drivers/staging/vt6655/80211mgr.c
index da964a92f96..38697c86248 100644
--- a/drivers/staging/vt6655/80211mgr.c
+++ b/drivers/staging/vt6655/80211mgr.c
@@ -91,7 +91,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
 
 void
 vMgrEncodeBeacon(
-    IN  PWLAN_FR_BEACON  pFrame
+    PWLAN_FR_BEACON  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -123,7 +123,7 @@ vMgrEncodeBeacon(
 
 void
 vMgrDecodeBeacon(
-    IN  PWLAN_FR_BEACON  pFrame
+    PWLAN_FR_BEACON  pFrame
     )
 {
     PWLAN_IE        pItem;
@@ -244,7 +244,7 @@ vMgrDecodeBeacon(
 
 void
 vMgrEncodeIBSSATIM(
-    IN  PWLAN_FR_IBSSATIM   pFrame
+    PWLAN_FR_IBSSATIM   pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -267,7 +267,7 @@ vMgrEncodeIBSSATIM(
 
 void
 vMgrDecodeIBSSATIM(
-    IN  PWLAN_FR_IBSSATIM   pFrame
+    PWLAN_FR_IBSSATIM   pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -289,7 +289,7 @@ vMgrDecodeIBSSATIM(
 
 void
 vMgrEncodeDisassociation(
-    IN  PWLAN_FR_DISASSOC  pFrame
+    PWLAN_FR_DISASSOC  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -317,7 +317,7 @@ vMgrEncodeDisassociation(
 
 void
 vMgrDecodeDisassociation(
-    IN  PWLAN_FR_DISASSOC  pFrame
+    PWLAN_FR_DISASSOC  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -343,7 +343,7 @@ vMgrDecodeDisassociation(
 
 void
 vMgrEncodeAssocRequest(
-    IN  PWLAN_FR_ASSOCREQ  pFrame
+    PWLAN_FR_ASSOCREQ  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -370,7 +370,7 @@ vMgrEncodeAssocRequest(
 
 void
 vMgrDecodeAssocRequest(
-    IN  PWLAN_FR_ASSOCREQ  pFrame
+    PWLAN_FR_ASSOCREQ  pFrame
     )
 {
     PWLAN_IE   pItem;
@@ -436,7 +436,7 @@ vMgrDecodeAssocRequest(
 
 void
 vMgrEncodeAssocResponse(
-    IN  PWLAN_FR_ASSOCRESP  pFrame
+    PWLAN_FR_ASSOCRESP  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -468,7 +468,7 @@ vMgrEncodeAssocResponse(
 
 void
 vMgrDecodeAssocResponse(
-    IN PWLAN_FR_ASSOCRESP  pFrame
+    PWLAN_FR_ASSOCRESP  pFrame
      )
 {
     PWLAN_IE   pItem;
@@ -514,7 +514,7 @@ vMgrDecodeAssocResponse(
 
 void
 vMgrEncodeReassocRequest(
-    IN  PWLAN_FR_REASSOCREQ  pFrame
+    PWLAN_FR_REASSOCREQ  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -546,7 +546,7 @@ vMgrEncodeReassocRequest(
 
 void
 vMgrDecodeReassocRequest(
-    IN  PWLAN_FR_REASSOCREQ  pFrame
+    PWLAN_FR_REASSOCREQ  pFrame
      )
 {
     PWLAN_IE   pItem;
@@ -618,7 +618,7 @@ vMgrDecodeReassocRequest(
 
 void
 vMgrEncodeProbeRequest(
-    IN PWLAN_FR_PROBEREQ  pFrame
+    PWLAN_FR_PROBEREQ  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -639,7 +639,7 @@ vMgrEncodeProbeRequest(
 
 void
 vMgrDecodeProbeRequest(
-    IN PWLAN_FR_PROBEREQ  pFrame
+    PWLAN_FR_PROBEREQ  pFrame
      )
 {
     PWLAN_IE   pItem;
@@ -692,7 +692,7 @@ vMgrDecodeProbeRequest(
 
 void
 vMgrEncodeProbeResponse(
-    IN PWLAN_FR_PROBERESP  pFrame
+    PWLAN_FR_PROBERESP  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -726,7 +726,7 @@ vMgrEncodeProbeResponse(
 
 void
 vMgrDecodeProbeResponse(
-    IN PWLAN_FR_PROBERESP  pFrame
+    PWLAN_FR_PROBERESP  pFrame
     )
 {
     PWLAN_IE    pItem;
@@ -840,7 +840,7 @@ vMgrDecodeProbeResponse(
 
 void
 vMgrEncodeAuthen(
-    IN  PWLAN_FR_AUTHEN  pFrame
+    PWLAN_FR_AUTHEN  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -871,7 +871,7 @@ vMgrEncodeAuthen(
 
 void
 vMgrDecodeAuthen(
-    IN  PWLAN_FR_AUTHEN  pFrame
+    PWLAN_FR_AUTHEN  pFrame
     )
 {
     PWLAN_IE    pItem;
@@ -911,7 +911,7 @@ vMgrDecodeAuthen(
 
 void
 vMgrEncodeDeauthen(
-    IN  PWLAN_FR_DEAUTHEN  pFrame
+    PWLAN_FR_DEAUTHEN  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -938,7 +938,7 @@ vMgrEncodeDeauthen(
 
 void
 vMgrDecodeDeauthen(
-    IN  PWLAN_FR_DEAUTHEN  pFrame
+    PWLAN_FR_DEAUTHEN  pFrame
     )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -964,7 +964,7 @@ vMgrDecodeDeauthen(
 
 void
 vMgrEncodeReassocResponse(
-    IN  PWLAN_FR_REASSOCRESP  pFrame
+    PWLAN_FR_REASSOCRESP  pFrame
      )
 {
     pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
@@ -997,7 +997,7 @@ vMgrEncodeReassocResponse(
 
 void
 vMgrDecodeReassocResponse(
-    IN  PWLAN_FR_REASSOCRESP  pFrame
+    PWLAN_FR_REASSOCRESP  pFrame
      )
 {
     PWLAN_IE   pItem;
diff --git a/drivers/staging/vt6655/80211mgr.h b/drivers/staging/vt6655/80211mgr.h
index c3eafd28da4..658fe144f89 100644
--- a/drivers/staging/vt6655/80211mgr.h
+++ b/drivers/staging/vt6655/80211mgr.h
@@ -716,112 +716,112 @@ typedef struct tagWLAN_FR_DEAUTHEN {
 
 void
 vMgrEncodeBeacon(
-    IN  PWLAN_FR_BEACON  pFrame
+    PWLAN_FR_BEACON  pFrame
      );
 
 void
 vMgrDecodeBeacon(
-    IN  PWLAN_FR_BEACON  pFrame
+    PWLAN_FR_BEACON  pFrame
     );
 
 void
 vMgrEncodeIBSSATIM(
-    IN  PWLAN_FR_IBSSATIM   pFrame
+    PWLAN_FR_IBSSATIM   pFrame
     );
 
 void
 vMgrDecodeIBSSATIM(
-    IN  PWLAN_FR_IBSSATIM   pFrame
+    PWLAN_FR_IBSSATIM   pFrame
     );
 
 void
 vMgrEncodeDisassociation(
-    IN  PWLAN_FR_DISASSOC  pFrame
+    PWLAN_FR_DISASSOC  pFrame
     );
 
 void
 vMgrDecodeDisassociation(
-    IN  PWLAN_FR_DISASSOC  pFrame
+    PWLAN_FR_DISASSOC  pFrame
     );
 
 void
 vMgrEncodeAssocRequest(
-    IN  PWLAN_FR_ASSOCREQ  pFrame
+    PWLAN_FR_ASSOCREQ  pFrame
     );
 
 void
 vMgrDecodeAssocRequest(
-    IN  PWLAN_FR_ASSOCREQ  pFrame
+    PWLAN_FR_ASSOCREQ  pFrame
     );
 
 void
 vMgrEncodeAssocResponse(
-    IN  PWLAN_FR_ASSOCRESP  pFrame
+    PWLAN_FR_ASSOCRESP  pFrame
     );
 
 void
 vMgrDecodeAssocResponse(
-    IN PWLAN_FR_ASSOCRESP  pFrame
+    PWLAN_FR_ASSOCRESP  pFrame
     );
 
 void
 vMgrEncodeReassocRequest(
-    IN  PWLAN_FR_REASSOCREQ  pFrame
+    PWLAN_FR_REASSOCREQ  pFrame
     );
 
 void
 vMgrDecodeReassocRequest(
-    IN  PWLAN_FR_REASSOCREQ  pFrame
+    PWLAN_FR_REASSOCREQ  pFrame
     );
 
 void
 vMgrEncodeProbeRequest(
-    IN PWLAN_FR_PROBEREQ  pFrame
+    PWLAN_FR_PROBEREQ  pFrame
     );
 
 void
 vMgrDecodeProbeRequest(
-    IN PWLAN_FR_PROBEREQ  pFrame
+    PWLAN_FR_PROBEREQ  pFrame
     );
 
 void
 vMgrEncodeProbeResponse(
-    IN PWLAN_FR_PROBERESP  pFrame
+    PWLAN_FR_PROBERESP  pFrame
     );
 
 void
 vMgrDecodeProbeResponse(
-    IN PWLAN_FR_PROBERESP  pFrame
+    PWLAN_FR_PROBERESP  pFrame
     );
 
 void
 vMgrEncodeAuthen(
-    IN  PWLAN_FR_AUTHEN  pFrame
+    PWLAN_FR_AUTHEN  pFrame
     );
 
 void
 vMgrDecodeAuthen(
-    IN  PWLAN_FR_AUTHEN  pFrame
+    PWLAN_FR_AUTHEN  pFrame
     );
 
 void
 vMgrEncodeDeauthen(
-    IN  PWLAN_FR_DEAUTHEN  pFrame
+    PWLAN_FR_DEAUTHEN  pFrame
     );
 
 void
 vMgrDecodeDeauthen(
-    IN  PWLAN_FR_DEAUTHEN  pFrame
+    PWLAN_FR_DEAUTHEN  pFrame
     );
 
 void
 vMgrEncodeReassocResponse(
-    IN  PWLAN_FR_REASSOCRESP  pFrame
+    PWLAN_FR_REASSOCRESP  pFrame
     );
 
 void
 vMgrDecodeReassocResponse(
-    IN  PWLAN_FR_REASSOCRESP  pFrame
+    PWLAN_FR_REASSOCRESP  pFrame
     );
 
 #endif// __80211MGR_H__
diff --git a/drivers/staging/vt6655/IEEE11h.c b/drivers/staging/vt6655/IEEE11h.c
index 77813002d2f..22f12f5ef90 100644
--- a/drivers/staging/vt6655/IEEE11h.c
+++ b/drivers/staging/vt6655/IEEE11h.c
@@ -203,8 +203,8 @@ static BOOL s_bRxTPCReq(PSMgmtObject pMgmt, PWLAN_FRAME_TPCREQ pTPCReq, BYTE byR
 -*/
 BOOL
 IEEE11hbMgrRxAction (
-    IN void *pMgmtHandle,
-    IN void *pRxPacket
+    void *pMgmtHandle,
+    void *pRxPacket
     )
 {
     PSMgmtObject            pMgmt = (PSMgmtObject) pMgmtHandle;
@@ -265,7 +265,7 @@ IEEE11hbMgrRxAction (
 
 
 BOOL IEEE11hbMSRRepTx (
-    IN void *pMgmtHandle
+    void *pMgmtHandle
     )
 {
     PSMgmtObject            pMgmt = (PSMgmtObject) pMgmtHandle;
diff --git a/drivers/staging/vt6655/IEEE11h.h b/drivers/staging/vt6655/IEEE11h.h
index 1707388e7cf..ae32498a511 100644
--- a/drivers/staging/vt6655/IEEE11h.h
+++ b/drivers/staging/vt6655/IEEE11h.h
@@ -46,7 +46,7 @@
 /*---------------------  Export Functions  --------------------------*/
 
 BOOL IEEE11hbMSRRepTx (
-    IN void *pMgmtHandle
+    void *pMgmtHandle
     );
 
 #endif // __IEEE11h_H__
diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c
index 7a69490fc7e..2931a0ffcf3 100644
--- a/drivers/staging/vt6655/baseband.c
+++ b/drivers/staging/vt6655/baseband.c
@@ -1725,13 +1725,13 @@ s_ulGetRatio(PSDevice pDevice);
 static
 void
 s_vChangeAntenna(
-    IN PSDevice pDevice
+    PSDevice pDevice
     );
 
 static
 void
 s_vChangeAntenna (
-    IN PSDevice pDevice
+    PSDevice pDevice
     )
 {
 
@@ -1778,10 +1778,10 @@ s_vChangeAntenna (
  */
 UINT
 BBuGetFrameTime (
-    IN BYTE byPreambleType,
-    IN BYTE byPktType,
-    IN UINT cbFrameLength,
-    IN WORD wRate
+    BYTE byPreambleType,
+    BYTE byPktType,
+    UINT cbFrameLength,
+    WORD wRate
     )
 {
     UINT uFrameTime;
@@ -1845,10 +1845,10 @@ BBuGetFrameTime (
  */
 void
 BBvCaculateParameter (
-    IN  PSDevice pDevice,
-    IN  UINT cbFrameLength,
-    IN  WORD wRate,
-    IN  BYTE byPacketType,
+    PSDevice pDevice,
+    UINT cbFrameLength,
+    WORD wRate,
+    BYTE byPacketType,
     OUT PWORD pwPhyLen,
     OUT PBYTE pbyPhySrv,
     OUT PBYTE pbyPhySgn
@@ -2878,7 +2878,7 @@ BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
 
 void
 TimerSQ3CallBack (
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -2926,7 +2926,7 @@ TimerSQ3CallBack (
 
 void
 TimerState1CallBack (
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6655/baseband.h b/drivers/staging/vt6655/baseband.h
index 23f7ad151d1..3eea7aa2fba 100644
--- a/drivers/staging/vt6655/baseband.h
+++ b/drivers/staging/vt6655/baseband.h
@@ -120,18 +120,18 @@
 
 UINT
 BBuGetFrameTime(
-    IN BYTE byPreambleType,
-    IN BYTE byPktType,
-    IN UINT cbFrameLength,
-    IN WORD wRate
+    BYTE byPreambleType,
+    BYTE byPktType,
+    UINT cbFrameLength,
+    WORD wRate
     );
 
 void
 BBvCaculateParameter (
-    IN  PSDevice pDevice,
-    IN  UINT cbFrameLength,
-    IN  WORD wRate,
-    IN  BYTE byPacketType,
+    PSDevice pDevice,
+    UINT cbFrameLength,
+    WORD wRate,
+    BYTE byPacketType,
     OUT PWORD pwPhyLen,
     OUT PBYTE pbyPhySrv,
     OUT PBYTE pbyPhySgn
@@ -162,12 +162,12 @@ void BBvExitDeepSleep(DWORD_PTR dwIoBase, BYTE byLocalID);
 
 void
 TimerSQ3CallBack (
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 void
 TimerState1CallBack(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 void BBvAntennaDiversity(PSDevice pDevice, BYTE byRxRate, BYTE bySQ3);
diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c
index 3af0ccb25d0..e64238e5e8c 100644
--- a/drivers/staging/vt6655/bssdb.c
+++ b/drivers/staging/vt6655/bssdb.c
@@ -91,18 +91,18 @@ const WORD             awHWRetry1[5][5] = {
 /*---------------------  Static Functions  --------------------------*/
 
 void s_vCheckSensitivity(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 #ifdef Calcu_LinkQual
 void s_uCalculateLinkQual(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 #endif
 
 
 void s_vCheckPreEDThreshold(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 /*---------------------  Export Variables  --------------------------*/
 
@@ -125,10 +125,10 @@ void s_vCheckPreEDThreshold(
 
 PKnownBSS
 BSSpSearchBSSList(
-    IN void *hDeviceContext,
-    IN PBYTE pbyDesireBSSID,
-    IN PBYTE pbyDesireSSID,
-    IN CARD_PHY_TYPE  ePhyType
+    void *hDeviceContext,
+    PBYTE pbyDesireBSSID,
+    PBYTE pbyDesireSSID,
+    CARD_PHY_TYPE  ePhyType
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -282,8 +282,8 @@ if(pDevice->bLinkPass==FALSE) pCurrBSS->bSelected = FALSE;
 
 void
 BSSvClearBSSList(
-    IN void *hDeviceContext,
-    IN BOOL bKeepCurrBSSID
+    void *hDeviceContext,
+    BOOL bKeepCurrBSSID
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -325,9 +325,9 @@ BSSvClearBSSList(
 -*/
 PKnownBSS
 BSSpAddrIsInBSSList(
-    IN void *hDeviceContext,
-    IN PBYTE abyBSSID,
-    IN PWLAN_IE_SSID pSSID
+    void *hDeviceContext,
+    PBYTE abyBSSID,
+    PWLAN_IE_SSID pSSID
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -368,23 +368,23 @@ BSSpAddrIsInBSSList(
 
 BOOL
 BSSbInsertToBSSList (
-    IN void *hDeviceContext,
-    IN PBYTE abyBSSIDAddr,
-    IN QWORD qwTimestamp,
-    IN WORD wBeaconInterval,
-    IN WORD wCapInfo,
-    IN BYTE byCurrChannel,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates,
-    IN PERPObject psERP,
-    IN PWLAN_IE_RSN pRSN,
-    IN PWLAN_IE_RSN_EXT pRSNWPA,
-    IN PWLAN_IE_COUNTRY pIE_Country,
-    IN PWLAN_IE_QUIET pIE_Quiet,
-    IN UINT uIELength,
-    IN PBYTE pbyIEs,
-    IN void *pRxPacketContext
+    void *hDeviceContext,
+    PBYTE abyBSSIDAddr,
+    QWORD qwTimestamp,
+    WORD wBeaconInterval,
+    WORD wCapInfo,
+    BYTE byCurrChannel,
+    PWLAN_IE_SSID pSSID,
+    PWLAN_IE_SUPP_RATES pSuppRates,
+    PWLAN_IE_SUPP_RATES pExtSuppRates,
+    PERPObject psERP,
+    PWLAN_IE_RSN pRSN,
+    PWLAN_IE_RSN_EXT pRSNWPA,
+    PWLAN_IE_COUNTRY pIE_Country,
+    PWLAN_IE_QUIET pIE_Quiet,
+    UINT uIELength,
+    PBYTE pbyIEs,
+    void *pRxPacketContext
     )
 {
 
@@ -585,24 +585,24 @@ BSSbInsertToBSSList (
 
 BOOL
 BSSbUpdateToBSSList (
-    IN void *hDeviceContext,
-    IN QWORD qwTimestamp,
-    IN WORD wBeaconInterval,
-    IN WORD wCapInfo,
-    IN BYTE byCurrChannel,
-    IN BOOL bChannelHit,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates,
-    IN PERPObject psERP,
-    IN PWLAN_IE_RSN pRSN,
-    IN PWLAN_IE_RSN_EXT pRSNWPA,
-    IN PWLAN_IE_COUNTRY pIE_Country,
-    IN PWLAN_IE_QUIET pIE_Quiet,
-    IN PKnownBSS pBSSList,
-    IN UINT uIELength,
-    IN PBYTE pbyIEs,
-    IN void *pRxPacketContext
+    void *hDeviceContext,
+    QWORD qwTimestamp,
+    WORD wBeaconInterval,
+    WORD wCapInfo,
+    BYTE byCurrChannel,
+    BOOL bChannelHit,
+    PWLAN_IE_SSID pSSID,
+    PWLAN_IE_SUPP_RATES pSuppRates,
+    PWLAN_IE_SUPP_RATES pExtSuppRates,
+    PERPObject psERP,
+    PWLAN_IE_RSN pRSN,
+    PWLAN_IE_RSN_EXT pRSNWPA,
+    PWLAN_IE_COUNTRY pIE_Country,
+    PWLAN_IE_QUIET pIE_Quiet,
+    PKnownBSS pBSSList,
+    UINT uIELength,
+    PBYTE pbyIEs,
+    void *pRxPacketContext
     )
 {
     int             ii;
@@ -764,8 +764,8 @@ BSSbUpdateToBSSList (
 
 BOOL
 BSSDBbIsSTAInNodeDB(
-    IN void *pMgmtObject,
-    IN PBYTE abyDstAddr,
+    void *pMgmtObject,
+    PBYTE abyDstAddr,
     OUT PUINT puNodeIndex
     )
 {
@@ -799,7 +799,7 @@ BSSDBbIsSTAInNodeDB(
 -*/
 void
 BSSvCreateOneNode(
-    IN void *hDeviceContext,
+    void *hDeviceContext,
     OUT PUINT puNodeIndex
     )
 {
@@ -864,8 +864,8 @@ BSSvCreateOneNode(
 -*/
 void
 BSSvRemoveOneNode(
-    IN void *hDeviceContext,
-    IN UINT uNodeIndex
+    void *hDeviceContext,
+    UINT uNodeIndex
     )
 {
 
@@ -897,10 +897,10 @@ BSSvRemoveOneNode(
 
 void
 BSSvUpdateAPNode(
-    IN void *hDeviceContext,
-    IN PWORD pwCapInfo,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates
+    void *hDeviceContext,
+    PWORD pwCapInfo,
+    PWLAN_IE_SUPP_RATES pSuppRates,
+    PWLAN_IE_SUPP_RATES pExtSuppRates
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -960,7 +960,7 @@ BSSvUpdateAPNode(
 
 void
 BSSvAddMulticastNode(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -1013,7 +1013,7 @@ UINT status;
 #endif
 void
 BSSvSecondCallBack(
-    IN  void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1390,11 +1390,11 @@ start:
 
 void
 BSSvUpdateNodeTxCounter(
-    IN void *hDeviceContext,
-    IN BYTE        byTsr0,
-    IN BYTE        byTsr1,
-    IN PBYTE       pbyBuffer,
-    IN UINT        uFIFOHeaderSize
+    void *hDeviceContext,
+    BYTE        byTsr0,
+    BYTE        byTsr1,
+    PBYTE       pbyBuffer,
+    UINT        uFIFOHeaderSize
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1583,8 +1583,8 @@ BSSvUpdateNodeTxCounter(
 
 void
 BSSvClearNodeDBTable(
-    IN void *hDeviceContext,
-    IN UINT uStartIndex
+    void *hDeviceContext,
+    UINT uStartIndex
     )
 
 {
@@ -1611,7 +1611,7 @@ BSSvClearNodeDBTable(
 
 
 void s_vCheckSensitivity(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1661,7 +1661,7 @@ void s_vCheckSensitivity(
 
 void
 BSSvClearAnyBSSJoinRecord (
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1676,7 +1676,7 @@ BSSvClearAnyBSSJoinRecord (
 
 #ifdef Calcu_LinkQual
 void s_uCalculateLinkQual(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
    PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1724,7 +1724,7 @@ else
 #endif
 
 void s_vCheckPreEDThreshold(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6655/bssdb.h b/drivers/staging/vt6655/bssdb.h
index a66e14f0a82..ec1e32bf35b 100644
--- a/drivers/staging/vt6655/bssdb.h
+++ b/drivers/staging/vt6655/bssdb.h
@@ -244,128 +244,128 @@ typedef struct tagKnownNodeDB {
 
 PKnownBSS
 BSSpSearchBSSList(
-    IN void *hDeviceContext,
-    IN PBYTE pbyDesireBSSID,
-    IN PBYTE pbyDesireSSID,
-    IN CARD_PHY_TYPE ePhyType
+    void *hDeviceContext,
+    PBYTE pbyDesireBSSID,
+    PBYTE pbyDesireSSID,
+    CARD_PHY_TYPE ePhyType
     );
 
 PKnownBSS
 BSSpAddrIsInBSSList(
-    IN void *hDeviceContext,
-    IN PBYTE abyBSSID,
-    IN PWLAN_IE_SSID pSSID
+    void *hDeviceContext,
+    PBYTE abyBSSID,
+    PWLAN_IE_SSID pSSID
     );
 
 void
 BSSvClearBSSList(
-    IN void *hDeviceContext,
-    IN BOOL bKeepCurrBSSID
+    void *hDeviceContext,
+    BOOL bKeepCurrBSSID
     );
 
 BOOL
 BSSbInsertToBSSList(
-    IN void *hDeviceContext,
-    IN PBYTE abyBSSIDAddr,
-    IN QWORD qwTimestamp,
-    IN WORD wBeaconInterval,
-    IN WORD wCapInfo,
-    IN BYTE byCurrChannel,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates,
-    IN PERPObject psERP,
-    IN PWLAN_IE_RSN pRSN,
-    IN PWLAN_IE_RSN_EXT pRSNWPA,
-    IN PWLAN_IE_COUNTRY pIE_Country,
-    IN PWLAN_IE_QUIET pIE_Quiet,
-    IN UINT uIELength,
-    IN PBYTE pbyIEs,
-    IN void *pRxPacketContext
+    void *hDeviceContext,
+    PBYTE abyBSSIDAddr,
+    QWORD qwTimestamp,
+    WORD wBeaconInterval,
+    WORD wCapInfo,
+    BYTE byCurrChannel,
+    PWLAN_IE_SSID pSSID,
+    PWLAN_IE_SUPP_RATES pSuppRates,
+    PWLAN_IE_SUPP_RATES pExtSuppRates,
+    PERPObject psERP,
+    PWLAN_IE_RSN pRSN,
+    PWLAN_IE_RSN_EXT pRSNWPA,
+    PWLAN_IE_COUNTRY pIE_Country,
+    PWLAN_IE_QUIET pIE_Quiet,
+    UINT uIELength,
+    PBYTE pbyIEs,
+    void *pRxPacketContext
     );
 
 
 BOOL
 BSSbUpdateToBSSList(
-    IN void *hDeviceContext,
-    IN QWORD qwTimestamp,
-    IN WORD wBeaconInterval,
-    IN WORD wCapInfo,
-    IN BYTE byCurrChannel,
-    IN BOOL bChannelHit,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pSuppRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates,
-    IN PERPObject psERP,
-    IN PWLAN_IE_RSN pRSN,
-    IN PWLAN_IE_RSN_EXT pRSNWPA,
-    IN PWLAN_IE_COUNTRY pIE_Country,
-    IN PWLAN_IE_QUIET pIE_Quiet,
-    IN PKnownBSS pBSSList,
-    IN UINT uIELength,
-    IN PBYTE pbyIEs,
-    IN void *pRxPacketContext
+    void *hDeviceContext,
+    QWORD qwTimestamp,
+    WORD wBeaconInterval,
+    WORD wCapInfo,
+    BYTE byCurrChannel,
+    BOOL bChannelHit,
+    PWLAN_IE_SSID pSSID,
+    PWLAN_IE_SUPP_RATES pSuppRates,
+    PWLAN_IE_SUPP_RATES pExtSuppRates,
+    PERPObject psERP,
+    PWLAN_IE_RSN pRSN,
+    PWLAN_IE_RSN_EXT pRSNWPA,
+    PWLAN_IE_COUNTRY pIE_Country,
+    PWLAN_IE_QUIET pIE_Quiet,
+    PKnownBSS pBSSList,
+    UINT uIELength,
+    PBYTE pbyIEs,
+    void *pRxPacketContext
     );
 
 
 BOOL
 BSSDBbIsSTAInNodeDB(
-    IN void *hDeviceContext,
-    IN PBYTE abyDstAddr,
+    void *hDeviceContext,
+    PBYTE abyDstAddr,
     OUT PUINT puNodeIndex
     );
 
 void
 BSSvCreateOneNode(
-    IN void *hDeviceContext,
+    void *hDeviceContext,
     OUT PUINT puNodeIndex
     );
 
 void
 BSSvUpdateAPNode(
-    IN void *hDeviceContext,
-    IN PWORD pwCapInfo,
-    IN PWLAN_IE_SUPP_RATES pItemRates,
-    IN PWLAN_IE_SUPP_RATES pExtSuppRates
+    void *hDeviceContext,
+    PWORD pwCapInfo,
+    PWLAN_IE_SUPP_RATES pItemRates,
+    PWLAN_IE_SUPP_RATES pExtSuppRates
     );
 
 
 void
 BSSvSecondCallBack(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 
 void
 BSSvUpdateNodeTxCounter(
-    IN void *hDeviceContext,
-    IN BYTE        byTsr0,
-    IN BYTE        byTsr1,
-    IN PBYTE       pbyBuffer,
-    IN UINT        uFIFOHeaderSize
+    void *hDeviceContext,
+    BYTE        byTsr0,
+    BYTE        byTsr1,
+    PBYTE       pbyBuffer,
+    UINT        uFIFOHeaderSize
     );
 
 void
 BSSvRemoveOneNode(
-    IN void *hDeviceContext,
-    IN UINT uNodeIndex
+    void *hDeviceContext,
+    UINT uNodeIndex
     );
 
 void
 BSSvAddMulticastNode(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 
 void
 BSSvClearNodeDBTable(
-    IN void *hDeviceContext,
-    IN UINT uStartIndex
+    void *hDeviceContext,
+    UINT uStartIndex
     );
 
 void
 BSSvClearAnyBSSJoinRecord(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 #endif //__BSSDB_H__
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index e767044ba0d..bc61ca912cb 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -425,8 +425,8 @@ SCountryTable ChannelRuleTab[CCODE_MAX+1] =
 static
 void
 s_vCaculateOFDMRParameter(
-    IN  BYTE byRate,
-    IN  CARD_PHY_TYPE ePHYType,
+    BYTE byRate,
+    CARD_PHY_TYPE ePHYType,
     OUT PBYTE pbyTxRate,
     OUT PBYTE pbyRsvTime
     );
@@ -498,8 +498,8 @@ exit:
 static
 void
 s_vCaculateOFDMRParameter (
-    IN  BYTE byRate,
-    IN  CARD_PHY_TYPE ePHYType,
+    BYTE byRate,
+    CARD_PHY_TYPE ePHYType,
     OUT PBYTE pbyTxRate,
     OUT PBYTE pbyRsvTime
     )
@@ -1550,10 +1550,10 @@ BOOL CARDbRemoveKey (void *pDeviceHandler, PBYTE pbyBSSID)
 -*/
 BOOL
 CARDbAdd_PMKID_Candidate (
-    IN void *pDeviceHandler,
-    IN PBYTE            pbyBSSID,
-    IN BOOL             bRSNCapExist,
-    IN WORD             wRSNCap
+    void *pDeviceHandler,
+    PBYTE            pbyBSSID,
+    BOOL             bRSNCapExist,
+    WORD             wRSNCap
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -1601,7 +1601,7 @@ CARDbAdd_PMKID_Candidate (
 
 void *
 CARDpGetCurrentAddress (
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -1708,9 +1708,9 @@ void CARDvInitChannelTable (void *pDeviceHandler)
 -*/
 BOOL
 CARDbStartMeasure (
-    IN void *pDeviceHandler,
-    IN void *pvMeasureEIDs,
-    IN UINT             uNumOfMeasureEIDs
+    void *pDeviceHandler,
+    void *pvMeasureEIDs,
+    UINT             uNumOfMeasureEIDs
     )
 {
     PSDevice                pDevice = (PSDevice) pDeviceHandler;
@@ -1835,10 +1835,10 @@ CARDbStartMeasure (
 -*/
 BOOL
 CARDbChannelSwitch (
-    IN void *pDeviceHandler,
-    IN BYTE             byMode,
-    IN BYTE             byNewChannel,
-    IN BYTE             byCount
+    void *pDeviceHandler,
+    BYTE             byMode,
+    BYTE             byNewChannel,
+    BYTE             byCount
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -1878,12 +1878,12 @@ CARDbChannelSwitch (
 -*/
 BOOL
 CARDbSetQuiet (
-    IN void *pDeviceHandler,
-    IN BOOL             bResetQuiet,
-    IN BYTE             byQuietCount,
-    IN BYTE             byQuietPeriod,
-    IN WORD             wQuietDuration,
-    IN WORD             wQuietOffset
+    void *pDeviceHandler,
+    BOOL             bResetQuiet,
+    BYTE             byQuietCount,
+    BYTE             byQuietPeriod,
+    WORD             wQuietDuration,
+    WORD             wQuietOffset
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -1934,7 +1934,7 @@ CARDbSetQuiet (
 -*/
 BOOL
 CARDbStartQuiet (
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2035,9 +2035,9 @@ CARDbStartQuiet (
 -*/
 void
 CARDvSetCountryInfo (
-    IN void *pDeviceHandler,
-    IN CARD_PHY_TYPE    ePHYType,
-    IN void *pIE
+    void *pDeviceHandler,
+    CARD_PHY_TYPE    ePHYType,
+    void *pIE
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -2094,9 +2094,9 @@ CARDvSetCountryInfo (
 -*/
 void
 CARDvSetPowerConstraint (
-    IN void *pDeviceHandler,
-    IN BYTE             byChannel,
-    IN I8               byPower
+    void *pDeviceHandler,
+    BYTE             byChannel,
+    I8               byPower
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2129,7 +2129,7 @@ CARDvSetPowerConstraint (
 -*/
 void
 CARDvGetPowerCapability (
-    IN void *pDeviceHandler,
+    void *pDeviceHandler,
     OUT PBYTE           pbyMinPower,
     OUT PBYTE           pbyMaxPower
     )
@@ -2165,8 +2165,8 @@ CARDvGetPowerCapability (
 -*/
 BYTE
 CARDbySetSupportChannels (
-    IN void *pDeviceHandler,
-    IN OUT PBYTE        pbyIEs
+    void *pDeviceHandler,
+    OUT PBYTE        pbyIEs
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -2256,7 +2256,7 @@ CARDbySetSupportChannels (
 -*/
 I8
 CARDbyGetTransmitPower (
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2267,7 +2267,7 @@ CARDbyGetTransmitPower (
 
 BOOL
 CARDbChannelGetList (
-    IN  UINT       uCountryCodeIdx,
+     UINT       uCountryCodeIdx,
     OUT PBYTE      pbyChannelTable
     )
 {
@@ -2281,8 +2281,8 @@ CARDbChannelGetList (
 
 void
 CARDvSetCountryIE(
-    IN void *pDeviceHandler,
-    IN void *pIE
+    void *pDeviceHandler,
+    void *pIE
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -2307,8 +2307,8 @@ CARDvSetCountryIE(
 
 BOOL
 CARDbGetChannelMapInfo(
-    IN void *pDeviceHandler,
-    IN UINT         uChannelIndex,
+    void *pDeviceHandler,
+    UINT         uChannelIndex,
     OUT PBYTE       pbyChannelNumber,
     OUT PBYTE       pbyMap
     )
@@ -2326,9 +2326,9 @@ CARDbGetChannelMapInfo(
 
 void
 CARDvSetChannelMapInfo(
-    IN void *pDeviceHandler,
-    IN UINT         uChannelIndex,
-    IN BYTE         byMap
+    void *pDeviceHandler,
+    UINT         uChannelIndex,
+    BYTE         byMap
     )
 {
 //    PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -2342,7 +2342,7 @@ CARDvSetChannelMapInfo(
 
 void
 CARDvClearChannelMapInfo(
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     )
 {
 //    PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2356,7 +2356,7 @@ CARDvClearChannelMapInfo(
 
 BYTE
 CARDbyAutoChannelSelect(
-    IN void *pDeviceHandler,
+    void *pDeviceHandler,
     CARD_PHY_TYPE   ePHYType
     )
 {
@@ -2422,7 +2422,7 @@ CARDbyAutoChannelSelect(
 //xxx
 void
 CARDvSafeResetTx (
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2478,7 +2478,7 @@ CARDvSafeResetTx (
 -*/
 void
 CARDvSafeResetRx (
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
diff --git a/drivers/staging/vt6655/card.h b/drivers/staging/vt6655/card.h
index 2114e99b584..f52a8e0d48c 100644
--- a/drivers/staging/vt6655/card.h
+++ b/drivers/staging/vt6655/card.h
@@ -133,15 +133,15 @@ BOOL CARDbRemoveKey (void *pDeviceHandler, PBYTE pbyBSSID);
 
 BOOL
 CARDbAdd_PMKID_Candidate (
-    IN void *pDeviceHandler,
-    IN PBYTE            pbyBSSID,
-    IN BOOL             bRSNCapExist,
-    IN WORD             wRSNCap
+    void *pDeviceHandler,
+    PBYTE            pbyBSSID,
+    BOOL             bRSNCapExist,
+    WORD             wRSNCap
     );
 
 void *
 CARDpGetCurrentAddress (
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     );
 
 
@@ -150,101 +150,101 @@ BYTE CARDbyGetChannelMapping(void *pDeviceHandler, BYTE byChannelNumber, CARD_PH
 
 BOOL
 CARDbStartMeasure (
-    IN void *pDeviceHandler,
-    IN void *pvMeasureEIDs,
-    IN UINT             uNumOfMeasureEIDs
+    void *pDeviceHandler,
+    void *pvMeasureEIDs,
+    UINT             uNumOfMeasureEIDs
     );
 
 BOOL
 CARDbChannelSwitch (
-    IN void *pDeviceHandler,
-    IN BYTE             byMode,
-    IN BYTE             byNewChannel,
-    IN BYTE             byCount
+    void *pDeviceHandler,
+    BYTE             byMode,
+    BYTE             byNewChannel,
+    BYTE             byCount
     );
 
 BOOL
 CARDbSetQuiet (
-    IN void *pDeviceHandler,
-    IN BOOL             bResetQuiet,
-    IN BYTE             byQuietCount,
-    IN BYTE             byQuietPeriod,
-    IN WORD             wQuietDuration,
-    IN WORD             wQuietOffset
+    void *pDeviceHandler,
+    BOOL             bResetQuiet,
+    BYTE             byQuietCount,
+    BYTE             byQuietPeriod,
+    WORD             wQuietDuration,
+    WORD             wQuietOffset
     );
 
 BOOL
 CARDbStartQuiet (
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     );
 
 void
 CARDvSetCountryInfo (
-    IN void *pDeviceHandler,
-    IN CARD_PHY_TYPE    ePHYType,
-    IN void *pIE
+    void *pDeviceHandler,
+    CARD_PHY_TYPE    ePHYType,
+    void *pIE
     );
 
 void
 CARDvSetPowerConstraint (
-    IN void *pDeviceHandler,
-    IN BYTE             byChannel,
-    IN I8               byPower
+    void *pDeviceHandler,
+    BYTE             byChannel,
+    I8               byPower
     );
 
 void
 CARDvGetPowerCapability (
-    IN void *pDeviceHandler,
+    void *pDeviceHandler,
     OUT PBYTE           pbyMinPower,
     OUT PBYTE           pbyMaxPower
     );
 
 BYTE
 CARDbySetSupportChannels (
-    IN void *pDeviceHandler,
-    IN OUT PBYTE        pbyIEs
+    void *pDeviceHandler,
+    OUT PBYTE        pbyIEs
     );
 
 I8
 CARDbyGetTransmitPower (
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     );
 
 BOOL
 CARDbChannelGetList (
-    IN  UINT       uCountryCodeIdx,
+     UINT       uCountryCodeIdx,
     OUT PBYTE      pbyChannelTable
     );
 
 void
 CARDvSetCountryIE(
-    IN void *pDeviceHandler,
-    IN void *pIE
+    void *pDeviceHandler,
+    void *pIE
     );
 
 BOOL
 CARDbGetChannelMapInfo(
-    IN void *pDeviceHandler,
-    IN UINT         uChannelIndex,
+    void *pDeviceHandler,
+    UINT         uChannelIndex,
     OUT PBYTE       pbyChannelNumber,
     OUT PBYTE       pbyMap
     );
 
 void
 CARDvSetChannelMapInfo(
-    IN void *pDeviceHandler,
-    IN UINT         uChannelIndex,
-    IN BYTE         byMap
+    void *pDeviceHandler,
+    UINT         uChannelIndex,
+    BYTE         byMap
     );
 
 void
 CARDvClearChannelMapInfo(
-    IN void *pDeviceHandler
+    void *pDeviceHandler
     );
 
 BYTE
 CARDbyAutoChannelSelect(
-    IN void *pDeviceHandler,
+    void *pDeviceHandler,
     CARD_PHY_TYPE   ePHYType
     );
 
diff --git a/drivers/staging/vt6655/datarate.c b/drivers/staging/vt6655/datarate.c
index e0d1a94f732..42b008a428d 100644
--- a/drivers/staging/vt6655/datarate.c
+++ b/drivers/staging/vt6655/datarate.c
@@ -65,14 +65,14 @@ const BYTE acbyIERate[MAX_RATE] =
 /*---------------------  Static Functions  --------------------------*/
 
 void s_vResetCounter (
-    IN PKnownNodeDB psNodeDBTable
+    PKnownNodeDB psNodeDBTable
     );
 
 
 
 void
 s_vResetCounter (
-    IN PKnownNodeDB psNodeDBTable
+    PKnownNodeDB psNodeDBTable
     )
 {
     BYTE            ii;
@@ -106,7 +106,7 @@ s_vResetCounter (
 -*/
 BYTE
 DATARATEbyGetRateIdx (
-    IN BYTE byRate
+    BYTE byRate
     )
 {
     BYTE    ii;
@@ -160,7 +160,7 @@ DATARATEbyGetRateIdx (
 -*/
 WORD
 wGetRateIdx(
-    IN BYTE byRate
+    BYTE byRate
     )
 {
     WORD    ii;
@@ -196,10 +196,10 @@ wGetRateIdx(
 -*/
 void
 RATEvParseMaxRate (
-    IN void *pDeviceHandler,
-    IN PWLAN_IE_SUPP_RATES pItemRates,
-    IN PWLAN_IE_SUPP_RATES pItemExtRates,
-    IN BOOL bUpdateBasicRate,
+    void *pDeviceHandler,
+    PWLAN_IE_SUPP_RATES pItemRates,
+    PWLAN_IE_SUPP_RATES pItemExtRates,
+    BOOL bUpdateBasicRate,
     OUT PWORD pwMaxBasicRate,
     OUT PWORD pwMaxSuppRate,
     OUT PWORD pwSuppRate,
@@ -309,8 +309,8 @@ UINT  uRateLen;
 
 void
 RATEvTxRateFallBack (
-    IN void *pDeviceHandler,
-    IN PKnownNodeDB psNodeDBTable
+    void *pDeviceHandler,
+    PKnownNodeDB psNodeDBTable
     )
 {
 PSDevice        pDevice = (PSDevice) pDeviceHandler;
@@ -411,9 +411,9 @@ TxRate_iwconfig=psNodeDBTable->wTxDataRate;
 -*/
 BYTE
 RATEuSetIE (
-    IN PWLAN_IE_SUPP_RATES pSrcRates,
-    IN PWLAN_IE_SUPP_RATES pDstRates,
-    IN UINT                uRateLen
+    PWLAN_IE_SUPP_RATES pSrcRates,
+    PWLAN_IE_SUPP_RATES pDstRates,
+    UINT                uRateLen
     )
 {
     UINT ii, uu, uRateCnt = 0;
diff --git a/drivers/staging/vt6655/datarate.h b/drivers/staging/vt6655/datarate.h
index bba4a16d004..abf7a3884fc 100644
--- a/drivers/staging/vt6655/datarate.h
+++ b/drivers/staging/vt6655/datarate.h
@@ -56,10 +56,10 @@
 
 void
 RATEvParseMaxRate(
-    IN void *pDeviceHandler,
-    IN PWLAN_IE_SUPP_RATES pItemRates,
-    IN PWLAN_IE_SUPP_RATES pItemExtRates,
-    IN BOOL bUpdateBasicRate,
+    void *pDeviceHandler,
+    PWLAN_IE_SUPP_RATES pItemRates,
+    PWLAN_IE_SUPP_RATES pItemExtRates,
+    BOOL bUpdateBasicRate,
     OUT PWORD pwMaxBasicRate,
     OUT PWORD pwMaxSuppRate,
     OUT PWORD pwSuppRate,
@@ -69,26 +69,26 @@ RATEvParseMaxRate(
 
 void
 RATEvTxRateFallBack(
-    IN void *pDeviceHandler,
-    IN PKnownNodeDB psNodeDBTable
+    void *pDeviceHandler,
+    PKnownNodeDB psNodeDBTable
     );
 
 BYTE
 RATEuSetIE(
-    IN PWLAN_IE_SUPP_RATES pSrcRates,
-    IN PWLAN_IE_SUPP_RATES pDstRates,
-    IN UINT                uRateLen
+    PWLAN_IE_SUPP_RATES pSrcRates,
+    PWLAN_IE_SUPP_RATES pDstRates,
+    UINT                uRateLen
     );
 
 WORD
 wGetRateIdx(
-    IN BYTE byRate
+    BYTE byRate
     );
 
 
 BYTE
 DATARATEbyGetRateIdx(
-    IN BYTE byRate
+    BYTE byRate
     );
 
 
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 454277b96ee..a401f2ad62c 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -478,7 +478,7 @@ pDevice->bUpdateBBVGA = TRUE;
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" pDevice->bDiversityRegCtlON= %d\n",(INT)pDevice->bDiversityRegCtlON);
 }
 
-static void s_vCompleteCurrentMeasure (IN PSDevice pDevice, IN BYTE byResult)
+static void s_vCompleteCurrentMeasure (PSDevice pDevice, BYTE byResult)
 {
     UINT    ii;
     DWORD   dwDuration = 0;
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index d90104a1e6b..69368392466 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -76,13 +76,13 @@ const BYTE acbyRxRate[MAX_RATE] =
 
 /*---------------------  Static Functions  --------------------------*/
 
-static BYTE s_byGetRateIdx(IN BYTE byRate);
+static BYTE s_byGetRateIdx(BYTE byRate);
 
 
 static
 void
 s_vGetDASA(
-    IN  PBYTE pbyRxBufferAddr,
+    PBYTE pbyRxBufferAddr,
     OUT PUINT pcbHeaderSize,
     OUT PSEthernetHeader psEthHeader
     );
@@ -90,37 +90,37 @@ s_vGetDASA(
 static
 void
 s_vProcessRxMACHeader (
-    IN  PSDevice pDevice,
-    IN  PBYTE pbyRxBufferAddr,
-    IN  UINT cbPacketSize,
-    IN  BOOL bIsWEP,
-    IN  BOOL bExtIV,
+    PSDevice pDevice,
+    PBYTE pbyRxBufferAddr,
+    UINT cbPacketSize,
+    BOOL bIsWEP,
+    BOOL bExtIV,
     OUT PUINT pcbHeadSize
     );
 
 static BOOL s_bAPModeRxCtl(
-    IN PSDevice pDevice,
-    IN PBYTE    pbyFrame,
-    IN INT      iSANodeIndex
+    PSDevice pDevice,
+    PBYTE    pbyFrame,
+    INT      iSANodeIndex
     );
 
 
 
 static BOOL s_bAPModeRxData (
-    IN PSDevice pDevice,
-    IN struct sk_buff* skb,
-    IN UINT     FrameSize,
-    IN UINT     cbHeaderOffset,
-    IN INT      iSANodeIndex,
-    IN INT      iDANodeIndex
+    PSDevice pDevice,
+    struct sk_buff* skb,
+    UINT     FrameSize,
+    UINT     cbHeaderOffset,
+    INT      iSANodeIndex,
+    INT      iDANodeIndex
     );
 
 
 static BOOL s_bHandleRxEncryption(
-    IN PSDevice     pDevice,
-    IN PBYTE        pbyFrame,
-    IN UINT         FrameSize,
-    IN PBYTE        pbyRsr,
+    PSDevice     pDevice,
+    PBYTE        pbyFrame,
+    UINT         FrameSize,
+    PBYTE        pbyRsr,
     OUT PBYTE       pbyNewRsr,
     OUT PSKeyItem   *pKeyOut,
     int *       pbExtIV,
@@ -130,12 +130,12 @@ static BOOL s_bHandleRxEncryption(
 
 static BOOL s_bHostWepRxEncryption(
 
-    IN PSDevice     pDevice,
-    IN PBYTE        pbyFrame,
-    IN UINT         FrameSize,
-    IN PBYTE        pbyRsr,
-    IN BOOL         bOnFly,
-    IN PSKeyItem    pKey,
+    PSDevice     pDevice,
+    PBYTE        pbyFrame,
+    UINT         FrameSize,
+    PBYTE        pbyRsr,
+    BOOL         bOnFly,
+    PSKeyItem    pKey,
     OUT PBYTE       pbyNewRsr,
     int *       pbExtIV,
     OUT PWORD       pwRxTSC15_0,
@@ -165,11 +165,11 @@ static BOOL s_bHostWepRxEncryption(
 static
 void
 s_vProcessRxMACHeader (
-    IN  PSDevice pDevice,
-    IN  PBYTE pbyRxBufferAddr,
-    IN  UINT cbPacketSize,
-    IN  BOOL bIsWEP,
-    IN  BOOL bExtIV,
+    PSDevice pDevice,
+    PBYTE pbyRxBufferAddr,
+    UINT cbPacketSize,
+    BOOL bIsWEP,
+    BOOL bExtIV,
     OUT PUINT pcbHeadSize
     )
 {
@@ -249,7 +249,7 @@ s_vProcessRxMACHeader (
 
 
 
-static BYTE s_byGetRateIdx (IN BYTE byRate)
+static BYTE s_byGetRateIdx (BYTE byRate)
 {
     BYTE    byRateIdx;
 
@@ -264,7 +264,7 @@ static BYTE s_byGetRateIdx (IN BYTE byRate)
 static
 void
 s_vGetDASA (
-    IN  PBYTE pbyRxBufferAddr,
+    PBYTE pbyRxBufferAddr,
     OUT PUINT pcbHeaderSize,
     OUT PSEthernetHeader psEthHeader
     )
@@ -335,8 +335,8 @@ void	MngWorkItem(void *Context)
 
 BOOL
 device_receive_frame (
-    IN  PSDevice pDevice,
-    IN  PSRxDesc pCurrRD
+    PSDevice pDevice,
+    PSRxDesc pCurrRD
     )
 {
 
@@ -1039,9 +1039,9 @@ device_receive_frame (
 
 
 static BOOL s_bAPModeRxCtl (
-    IN PSDevice pDevice,
-    IN PBYTE    pbyFrame,
-    IN INT      iSANodeIndex
+    PSDevice pDevice,
+    PBYTE    pbyFrame,
+    INT      iSANodeIndex
     )
 {
     PS802_11Header      p802_11Header;
@@ -1163,10 +1163,10 @@ static BOOL s_bAPModeRxCtl (
 }
 
 static BOOL s_bHandleRxEncryption (
-    IN PSDevice     pDevice,
-    IN PBYTE        pbyFrame,
-    IN UINT         FrameSize,
-    IN PBYTE        pbyRsr,
+    PSDevice     pDevice,
+    PBYTE        pbyFrame,
+    UINT         FrameSize,
+    PBYTE        pbyRsr,
     OUT PBYTE       pbyNewRsr,
     OUT PSKeyItem   *pKeyOut,
     int *       pbExtIV,
@@ -1309,12 +1309,12 @@ static BOOL s_bHandleRxEncryption (
 
 
 static BOOL s_bHostWepRxEncryption (
-    IN PSDevice     pDevice,
-    IN PBYTE        pbyFrame,
-    IN UINT         FrameSize,
-    IN PBYTE        pbyRsr,
-    IN BOOL         bOnFly,
-    IN PSKeyItem    pKey,
+    PSDevice     pDevice,
+    PBYTE        pbyFrame,
+    UINT         FrameSize,
+    PBYTE        pbyRsr,
+    BOOL         bOnFly,
+    PSKeyItem    pKey,
     OUT PBYTE       pbyNewRsr,
     int *       pbExtIV,
     OUT PWORD       pwRxTSC15_0,
@@ -1440,12 +1440,12 @@ static BOOL s_bHostWepRxEncryption (
 
 
 static BOOL s_bAPModeRxData (
-    IN PSDevice pDevice,
-    IN struct sk_buff* skb,
-    IN UINT     FrameSize,
-    IN UINT     cbHeaderOffset,
-    IN INT      iSANodeIndex,
-    IN INT      iDANodeIndex
+    PSDevice pDevice,
+    struct sk_buff* skb,
+    UINT     FrameSize,
+    UINT     cbHeaderOffset,
+    INT      iSANodeIndex,
+    INT      iDANodeIndex
     )
 {
     PSMgmtObject        pMgmt = pDevice->pMgmt;
diff --git a/drivers/staging/vt6655/dpc.h b/drivers/staging/vt6655/dpc.h
index 4129c11e011..e574963fee0 100644
--- a/drivers/staging/vt6655/dpc.h
+++ b/drivers/staging/vt6655/dpc.h
@@ -43,8 +43,8 @@
 
 BOOL
 device_receive_frame (
-    IN  PSDevice pDevice,
-    IN  PSRxDesc pCurrRD
+    PSDevice pDevice,
+    PSRxDesc pCurrRD
     );
 
 void	MngWorkItem(void *Context);
diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c
index 1bd819946b8..e36cd30f642 100644
--- a/drivers/staging/vt6655/ioctl.c
+++ b/drivers/staging/vt6655/ioctl.c
@@ -716,10 +716,10 @@ if(wpa_Result.authenticated==TRUE) {
 /*
 void
 vConfigWEPKey (
-    IN PSDevice pDevice,
-    IN DWORD    dwKeyIndex,
-    IN PBYTE    pbyKey,
-    IN ULONG    uKeyLength
+    PSDevice pDevice,
+    DWORD    dwKeyIndex,
+    PBYTE    pbyKey,
+    ULONG    uKeyLength
     )
 {
     int ii;
diff --git a/drivers/staging/vt6655/ioctl.h b/drivers/staging/vt6655/ioctl.h
index dc278aeb7ea..0d10c2a923c 100644
--- a/drivers/staging/vt6655/ioctl.h
+++ b/drivers/staging/vt6655/ioctl.h
@@ -44,10 +44,10 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq);
 
 /*
 void vConfigWEPKey (
-    IN PSDevice pDevice,
-    IN DWORD    dwKeyIndex,
-    IN PBYTE    pbyKey,
-    IN ULONG    uKeyLength
+    PSDevice pDevice,
+    DWORD    dwKeyIndex,
+    PBYTE    pbyKey,
+    ULONG    uKeyLength
     );
 */
 
diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c
index b40c400a23c..c702d509605 100644
--- a/drivers/staging/vt6655/key.c
+++ b/drivers/staging/vt6655/key.c
@@ -132,9 +132,9 @@ void KeyvInitTable (PSKeyManagement pTable, DWORD_PTR dwIoBase)
  *
  */
 BOOL KeybGetKey (
-    IN  PSKeyManagement pTable,
-    IN  PBYTE           pbyBSSID,
-    IN  DWORD           dwKeyIndex,
+    PSKeyManagement pTable,
+    PBYTE           pbyBSSID,
+    DWORD           dwKeyIndex,
     OUT PSKeyItem       *pKey
     )
 {
@@ -518,9 +518,9 @@ void KeyvRemoveAllWEPKey (
  *
  */
 BOOL KeybGetTransmitKey (
-    IN  PSKeyManagement pTable,
-    IN  PBYTE           pbyBSSID,
-    IN  DWORD           dwKeyType,
+    PSKeyManagement pTable,
+    PBYTE           pbyBSSID,
+    DWORD           dwKeyType,
     OUT PSKeyItem       *pKey
     )
 {
@@ -598,7 +598,7 @@ BOOL KeybGetTransmitKey (
  *
  */
 BOOL KeybCheckPairewiseKey (
-    IN  PSKeyManagement pTable,
+    PSKeyManagement pTable,
     OUT PSKeyItem       *pKey
     )
 {
diff --git a/drivers/staging/vt6655/key.h b/drivers/staging/vt6655/key.h
index 4cbd82f76e4..88be5b4f392 100644
--- a/drivers/staging/vt6655/key.h
+++ b/drivers/staging/vt6655/key.h
@@ -104,9 +104,9 @@ typedef struct tagSKeyManagement
 void KeyvInitTable(PSKeyManagement pTable, DWORD_PTR dwIoBase);
 
 BOOL KeybGetKey(
-    IN  PSKeyManagement pTable,
-    IN  PBYTE           pbyBSSID,
-    IN  DWORD           dwKeyIndex,
+    PSKeyManagement pTable,
+    PBYTE           pbyBSSID,
+    DWORD           dwKeyIndex,
     OUT PSKeyItem       *pKey
     );
 
@@ -141,14 +141,14 @@ BOOL KeybRemoveKey(
     );
 
 BOOL KeybGetTransmitKey(
-    IN  PSKeyManagement pTable,
-    IN  PBYTE           pbyBSSID,
-    IN  DWORD           dwKeyType,
+    PSKeyManagement pTable,
+    PBYTE           pbyBSSID,
+    DWORD           dwKeyType,
     OUT PSKeyItem       *pKey
     );
 
 BOOL KeybCheckPairewiseKey(
-    IN  PSKeyManagement pTable,
+    PSKeyManagement pTable,
     OUT PSKeyItem       *pKey
     );
 
diff --git a/drivers/staging/vt6655/power.c b/drivers/staging/vt6655/power.c
index 166e7fb638c..64c22c3e4bb 100644
--- a/drivers/staging/vt6655/power.c
+++ b/drivers/staging/vt6655/power.c
@@ -76,8 +76,8 @@ static int          msglevel                =MSG_LEVEL_INFO;
 
 void
 PSvEnablePowerSaving(
-    IN void *hDeviceContext,
-    IN WORD wListenInterval
+    void *hDeviceContext,
+    WORD wListenInterval
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -118,7 +118,7 @@ PSvEnablePowerSaving(
     pDevice->bEnablePSMode = TRUE;
 
     if (pDevice->eOPMode == OP_MODE_ADHOC) {
-//        bMgrPrepareBeaconToSend((HANDLE)pDevice, pMgmt);
+//        bMgrPrepareBeaconToSend((void *)pDevice, pMgmt);
     }
     // We don't send null pkt in ad hoc mode since beacon will handle this.
     else if (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) {
@@ -146,7 +146,7 @@ PSvEnablePowerSaving(
 
 void
 PSvDisablePowerSaving(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -184,9 +184,9 @@ PSvDisablePowerSaving(
 
 BOOL
 PSbConsiderPowerDown(
-    IN void *hDeviceContext,
-    IN BOOL bCheckRxDMA,
-    IN BOOL bCheckCountToWakeUp
+    void *hDeviceContext,
+    BOOL bCheckRxDMA,
+    BOOL bCheckCountToWakeUp
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -252,7 +252,7 @@ PSbConsiderPowerDown(
 
 void
 PSvSendPSPOLL(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -298,7 +298,7 @@ PSvSendPSPOLL(
 -*/
 BOOL
 PSbSendNullPacket(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -384,7 +384,7 @@ PSbSendNullPacket(
 
 BOOL
 PSbIsNextTBTTWakeUp(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
 
diff --git a/drivers/staging/vt6655/power.h b/drivers/staging/vt6655/power.h
index 769e0d1acd2..c0dbe216e97 100644
--- a/drivers/staging/vt6655/power.h
+++ b/drivers/staging/vt6655/power.h
@@ -45,40 +45,40 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-// IN PSDevice pDevice
-// IN PSDevice hDeviceContext
+// PSDevice pDevice
+// PSDevice hDeviceContext
 
 BOOL
 PSbConsiderPowerDown(
-    IN void *hDeviceContext,
-    IN BOOL bCheckRxDMA,
-    IN BOOL bCheckCountToWakeUp
+    void *hDeviceContext,
+    BOOL bCheckRxDMA,
+    BOOL bCheckCountToWakeUp
     );
 
 void
 PSvDisablePowerSaving(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 void
 PSvEnablePowerSaving(
-    IN void *hDeviceContext,
-    IN WORD wListenInterval
+    void *hDeviceContext,
+    WORD wListenInterval
     );
 
 void
 PSvSendPSPOLL(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 BOOL
 PSbSendNullPacket(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 BOOL
 PSbIsNextTBTTWakeUp(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 #endif //__POWER_H__
diff --git a/drivers/staging/vt6655/rf.c b/drivers/staging/vt6655/rf.c
index 29eb758c9e7..7cb86fe2eeb 100644
--- a/drivers/staging/vt6655/rf.c
+++ b/drivers/staging/vt6655/rf.c
@@ -808,7 +808,7 @@ BOOL RFbAL2230SelectChannel (DWORD_PTR dwIoBase, BYTE byChannel)
  *
  */
 BOOL RFbInit (
-    IN  PSDevice  pDevice
+    PSDevice  pDevice
     )
 {
 BOOL    bResult = TRUE;
@@ -846,7 +846,7 @@ BOOL    bResult = TRUE;
  *
  */
 BOOL RFbShutDown (
-    IN  PSDevice  pDevice
+    PSDevice  pDevice
     )
 {
 BOOL    bResult = TRUE;
@@ -997,9 +997,9 @@ BOOL RFvWriteWakeProgSyn (DWORD_PTR dwIoBase, BYTE byRFType, UINT uChannel)
  *
  */
 BOOL RFbSetPower (
-    IN  PSDevice  pDevice,
-    IN  UINT      uRATE,
-    IN  UINT      uCH
+    PSDevice  pDevice,
+    UINT      uRATE,
+    UINT      uCH
     )
 {
 BOOL    bResult = TRUE;
@@ -1136,9 +1136,9 @@ BYTE    byPwrdBm = 0;
  */
 
 BOOL RFbRawSetPower (
-    IN  PSDevice  pDevice,
-    IN  BYTE      byPwr,
-    IN  UINT      uRATE
+    PSDevice  pDevice,
+    BYTE      byPwr,
+    UINT      uRATE
     )
 {
 BOOL    bResult = TRUE;
@@ -1203,8 +1203,8 @@ DWORD   dwMax7230Pwr = 0;
 -*/
 void
 RFvRSSITodBm (
-    IN  PSDevice pDevice,
-    IN  BYTE     byCurrRSSI,
+    PSDevice pDevice,
+    BYTE     byCurrRSSI,
     long *    pldBm
     )
 {
diff --git a/drivers/staging/vt6655/rf.h b/drivers/staging/vt6655/rf.h
index e6e6ca58633..25dfc7942f6 100644
--- a/drivers/staging/vt6655/rf.h
+++ b/drivers/staging/vt6655/rf.h
@@ -79,20 +79,20 @@
 BOOL IFRFbWriteEmbeded(DWORD_PTR dwIoBase, DWORD dwData);
 BOOL RFbSelectChannel(DWORD_PTR dwIoBase, BYTE byRFType, BYTE byChannel);
 BOOL RFbInit (
-    IN  PSDevice  pDevice
+    PSDevice  pDevice
     );
 BOOL RFvWriteWakeProgSyn(DWORD_PTR dwIoBase, BYTE byRFType, UINT uChannel);
 BOOL RFbSetPower(PSDevice pDevice, UINT uRATE, UINT uCH);
 BOOL RFbRawSetPower(
-    IN  PSDevice  pDevice,
-    IN  BYTE      byPwr,
-    IN  UINT      uRATE
+    PSDevice  pDevice,
+    BYTE      byPwr,
+    UINT      uRATE
     );
 
 void
 RFvRSSITodBm(
-    IN  PSDevice pDevice,
-    IN  BYTE     byCurrRSSI,
+    PSDevice pDevice,
+    BYTE     byCurrRSSI,
     long    *pldBm
     );
 
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 8d1772e70ab..885741a774b 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -117,12 +117,12 @@ const WORD wFB_Opt1[2][5] = {
 static
 void
 s_vFillTxKey(
-    IN  PSDevice   pDevice,
-    IN  PBYTE      pbyBuf,
-    IN  PBYTE      pbyIVHead,
-    IN  PSKeyItem  pTransmitKey,
-    IN  PBYTE      pbyHdrBuf,
-    IN  WORD       wPayloadLen,
+    PSDevice   pDevice,
+    PBYTE      pbyBuf,
+    PBYTE      pbyIVHead,
+    PSKeyItem  pTransmitKey,
+    PBYTE      pbyHdrBuf,
+    WORD       wPayloadLen,
     OUT PBYTE      pMICHDR
     );
 
@@ -131,59 +131,59 @@ s_vFillTxKey(
 static
 void
 s_vFillRTSHead(
-    IN PSDevice         pDevice,
-    IN BYTE             byPktType,
-    IN void *           pvRTS,
-    IN UINT             cbFrameLength,
-    IN BOOL             bNeedAck,
-    IN BOOL             bDisCRC,
-    IN PSEthernetHeader psEthHeader,
-    IN WORD             wCurrentRate,
-    IN BYTE             byFBOption
+    PSDevice         pDevice,
+    BYTE             byPktType,
+    void *           pvRTS,
+    UINT             cbFrameLength,
+    BOOL             bNeedAck,
+    BOOL             bDisCRC,
+    PSEthernetHeader psEthHeader,
+    WORD             wCurrentRate,
+    BYTE             byFBOption
     );
 
 static
 void
 s_vGenerateTxParameter(
-    IN PSDevice         pDevice,
-    IN  BYTE            byPktType,
-    IN void *           pTxBufHead,
-    IN void *           pvRrvTime,
-    IN void *           pvRTS,
-    IN void *           pvCTS,
-    IN UINT             cbFrameSize,
-    IN BOOL             bNeedACK,
-    IN UINT             uDMAIdx,
-    IN PSEthernetHeader psEthHeader,
-    IN WORD             wCurrentRate
+    PSDevice         pDevice,
+    BYTE            byPktType,
+    void *           pTxBufHead,
+    void *           pvRrvTime,
+    void *           pvRTS,
+    void *           pvCTS,
+    UINT             cbFrameSize,
+    BOOL             bNeedACK,
+    UINT             uDMAIdx,
+    PSEthernetHeader psEthHeader,
+    WORD             wCurrentRate
     );
 
 
 
 static void s_vFillFragParameter(
-    IN PSDevice pDevice,
-    IN PBYTE    pbyBuffer,
-    IN UINT     uTxType,
-    IN void *   pvtdCurr,
-    IN WORD     wFragType,
-    IN UINT     cbReqCount
+    PSDevice pDevice,
+    PBYTE    pbyBuffer,
+    UINT     uTxType,
+    void *   pvtdCurr,
+    WORD     wFragType,
+    UINT     cbReqCount
     );
 
 
 static
 UINT
 s_cbFillTxBufHead (
-    IN  PSDevice         pDevice,
-    IN  BYTE             byPktType,
-    IN  PBYTE            pbyTxBufferAddr,
-    IN  UINT             cbFrameBodySize,
-    IN  UINT             uDMAIdx,
-    IN  PSTxDesc         pHeadTD,
-    IN  PSEthernetHeader psEthHeader,
-    IN  PBYTE            pPacket,
-    IN  BOOL             bNeedEncrypt,
-    IN  PSKeyItem        pTransmitKey,
-    IN  UINT             uNodeIndex,
+    PSDevice         pDevice,
+    BYTE             byPktType,
+    PBYTE            pbyTxBufferAddr,
+    UINT             cbFrameBodySize,
+    UINT             uDMAIdx,
+    PSTxDesc         pHeadTD,
+    PSEthernetHeader psEthHeader,
+    PBYTE            pPacket,
+    BOOL             bNeedEncrypt,
+    PSKeyItem        pTransmitKey,
+    UINT             uNodeIndex,
     OUT PUINT            puMACfragNum
     );
 
@@ -191,17 +191,17 @@ s_cbFillTxBufHead (
 static
 UINT
 s_uFillDataHead (
-    IN PSDevice pDevice,
-    IN BYTE     byPktType,
-    IN void *   pTxDataHead,
-    IN UINT     cbFrameLength,
-    IN UINT     uDMAIdx,
-    IN BOOL     bNeedAck,
-    IN UINT     uFragIdx,
-    IN UINT     cbLastFragmentSize,
-    IN UINT     uMACfragNum,
-    IN BYTE     byFBOption,
-    IN WORD     wCurrentRate
+    PSDevice pDevice,
+    BYTE     byPktType,
+    void *   pTxDataHead,
+    UINT     cbFrameLength,
+    UINT     uDMAIdx,
+    BOOL     bNeedAck,
+    UINT     uFragIdx,
+    UINT     cbLastFragmentSize,
+    UINT     uMACfragNum,
+    BYTE     byFBOption,
+    WORD     wCurrentRate
     );
 
 
@@ -212,12 +212,12 @@ s_uFillDataHead (
 static
 void
 s_vFillTxKey (
-    IN  PSDevice   pDevice,
-    IN  PBYTE      pbyBuf,
-    IN  PBYTE      pbyIVHead,
-    IN  PSKeyItem  pTransmitKey,
-    IN  PBYTE      pbyHdrBuf,
-    IN  WORD       wPayloadLen,
+    PSDevice   pDevice,
+    PBYTE      pbyBuf,
+    PBYTE      pbyIVHead,
+    PSKeyItem  pTransmitKey,
+    PBYTE      pbyHdrBuf,
+    WORD       wPayloadLen,
     OUT PBYTE      pMICHDR
     )
 {
@@ -330,10 +330,10 @@ s_vFillTxKey (
 static
 void
 s_vSWencryption (
-    IN  PSDevice            pDevice,
-    IN  PSKeyItem           pTransmitKey,
-    IN  PBYTE               pbyPayloadHead,
-    IN  WORD                wPayloadSize
+    PSDevice            pDevice,
+    PSKeyItem           pTransmitKey,
+    PBYTE               pbyPayloadHead,
+    WORD                wPayloadSize
     )
 {
     UINT   cbICVlen = 4;
@@ -379,11 +379,11 @@ s_vSWencryption (
 static
 UINT
 s_uGetTxRsvTime (
-    IN PSDevice pDevice,
-    IN BYTE     byPktType,
-    IN UINT     cbFrameLength,
-    IN WORD     wRate,
-    IN BOOL     bNeedAck
+    PSDevice pDevice,
+    BYTE     byPktType,
+    UINT     cbFrameLength,
+    WORD     wRate,
+    BOOL     bNeedAck
     )
 {
     UINT uDataTime, uAckTime;
@@ -410,11 +410,11 @@ s_uGetTxRsvTime (
 static
 UINT
 s_uGetRTSCTSRsvTime (
-    IN PSDevice pDevice,
-    IN BYTE byRTSRsvType,
-    IN BYTE byPktType,
-    IN UINT cbFrameLength,
-    IN WORD wCurrentRate
+    PSDevice pDevice,
+    BYTE byRTSRsvType,
+    BYTE byPktType,
+    UINT cbFrameLength,
+    WORD wCurrentRate
     )
 {
     UINT uRrvTime  , uRTSTime, uCTSTime, uAckTime, uDataTime;
@@ -452,16 +452,16 @@ s_uGetRTSCTSRsvTime (
 static
 UINT
 s_uGetDataDuration (
-    IN PSDevice pDevice,
-    IN BYTE     byDurType,
-    IN UINT     cbFrameLength,
-    IN BYTE     byPktType,
-    IN WORD     wRate,
-    IN BOOL     bNeedAck,
-    IN UINT     uFragIdx,
-    IN UINT     cbLastFragmentSize,
-    IN UINT     uMACfragNum,
-    IN BYTE     byFBOption
+    PSDevice pDevice,
+    BYTE     byDurType,
+    UINT     cbFrameLength,
+    BYTE     byPktType,
+    WORD     wRate,
+    BOOL     bNeedAck,
+    UINT     uFragIdx,
+    UINT     cbLastFragmentSize,
+    UINT     uMACfragNum,
+    BYTE     byFBOption
     )
 {
     BOOL bLastFrag = 0;
@@ -623,13 +623,13 @@ s_uGetDataDuration (
 static
 UINT
 s_uGetRTSCTSDuration (
-    IN PSDevice pDevice,
-    IN BYTE byDurType,
-    IN UINT cbFrameLength,
-    IN BYTE byPktType,
-    IN WORD wRate,
-    IN BOOL bNeedAck,
-    IN BYTE byFBOption
+    PSDevice pDevice,
+    BYTE byDurType,
+    UINT cbFrameLength,
+    BYTE byPktType,
+    WORD wRate,
+    BOOL bNeedAck,
+    BYTE byFBOption
     )
 {
     UINT uCTSTime = 0, uDurTime = 0;
@@ -721,17 +721,17 @@ s_uGetRTSCTSDuration (
 static
 UINT
 s_uFillDataHead (
-    IN PSDevice pDevice,
-    IN BYTE     byPktType,
-    IN void *   pTxDataHead,
-    IN UINT     cbFrameLength,
-    IN UINT     uDMAIdx,
-    IN BOOL     bNeedAck,
-    IN UINT     uFragIdx,
-    IN UINT     cbLastFragmentSize,
-    IN UINT     uMACfragNum,
-    IN BYTE     byFBOption,
-    IN WORD     wCurrentRate
+    PSDevice pDevice,
+    BYTE     byPktType,
+    void *   pTxDataHead,
+    UINT     cbFrameLength,
+    UINT     uDMAIdx,
+    BOOL     bNeedAck,
+    UINT     uFragIdx,
+    UINT     cbLastFragmentSize,
+    UINT     uMACfragNum,
+    BYTE     byFBOption,
+    WORD     wCurrentRate
     )
 {
     WORD  wLen = 0x0000;
@@ -853,15 +853,15 @@ s_uFillDataHead (
 static
 void
 s_vFillRTSHead (
-    IN PSDevice         pDevice,
-    IN BYTE             byPktType,
-    IN void *           pvRTS,
-    IN UINT             cbFrameLength,
-    IN BOOL             bNeedAck,
-    IN BOOL             bDisCRC,
-    IN PSEthernetHeader psEthHeader,
-    IN WORD             wCurrentRate,
-    IN BYTE             byFBOption
+    PSDevice         pDevice,
+    BYTE             byPktType,
+    void *           pvRTS,
+    UINT             cbFrameLength,
+    BOOL             bNeedAck,
+    BOOL             bDisCRC,
+    PSEthernetHeader psEthHeader,
+    WORD             wCurrentRate,
+    BYTE             byFBOption
     )
 {
     UINT uRTSFrameLen = 20;
@@ -1047,15 +1047,15 @@ s_vFillRTSHead (
 static
 void
 s_vFillCTSHead (
-    IN PSDevice pDevice,
-    IN UINT     uDMAIdx,
-    IN BYTE     byPktType,
-    IN void *   pvCTS,
-    IN UINT     cbFrameLength,
-    IN BOOL     bNeedAck,
-    IN BOOL     bDisCRC,
-    IN WORD     wCurrentRate,
-    IN BYTE     byFBOption
+    PSDevice pDevice,
+    UINT     uDMAIdx,
+    BYTE     byPktType,
+    void *   pvCTS,
+    UINT     cbFrameLength,
+    BOOL     bNeedAck,
+    BOOL     bDisCRC,
+    WORD     wCurrentRate,
+    BYTE     byFBOption
     )
 {
     UINT uCTSFrameLen = 14;
@@ -1152,17 +1152,17 @@ s_vFillCTSHead (
 static
 void
 s_vGenerateTxParameter (
-    IN PSDevice         pDevice,
-    IN BYTE             byPktType,
-    IN void *           pTxBufHead,
-    IN void *           pvRrvTime,
-    IN void *           pvRTS,
-    IN void *           pvCTS,
-    IN UINT             cbFrameSize,
-    IN BOOL             bNeedACK,
-    IN UINT             uDMAIdx,
-    IN PSEthernetHeader psEthHeader,
-    IN WORD             wCurrentRate
+    PSDevice         pDevice,
+    BYTE             byPktType,
+    void *           pTxBufHead,
+    void *           pvRrvTime,
+    void *           pvRTS,
+    void *           pvCTS,
+    UINT             cbFrameSize,
+    BOOL             bNeedACK,
+    UINT             uDMAIdx,
+    PSEthernetHeader psEthHeader,
+    WORD             wCurrentRate
     )
 {
     UINT cbMACHdLen = WLAN_HDR_ADDR3_LEN; //24
@@ -1270,12 +1270,12 @@ s_vGenerateTxParameter (
 static
 void
 s_vFillFragParameter(
-    IN PSDevice pDevice,
-    IN PBYTE    pbyBuffer,
-    IN UINT     uTxType,
-    IN void *   pvtdCurr,
-    IN WORD     wFragType,
-    IN UINT     cbReqCount
+    PSDevice pDevice,
+    PBYTE    pbyBuffer,
+    UINT     uTxType,
+    void *   pvtdCurr,
+    WORD     wFragType,
+    UINT     cbReqCount
     )
 {
     PSTxBufHead pTxBufHead = (PSTxBufHead) pbyBuffer;
@@ -1318,17 +1318,17 @@ s_vFillFragParameter(
 static
 UINT
 s_cbFillTxBufHead (
-    IN  PSDevice         pDevice,
-    IN  BYTE             byPktType,
-    IN  PBYTE            pbyTxBufferAddr,
-    IN  UINT             cbFrameBodySize,
-    IN  UINT             uDMAIdx,
-    IN  PSTxDesc         pHeadTD,
-    IN  PSEthernetHeader psEthHeader,
-    IN  PBYTE            pPacket,
-    IN  BOOL             bNeedEncrypt,
-    IN  PSKeyItem        pTransmitKey,
-    IN  UINT             uNodeIndex,
+    PSDevice         pDevice,
+    BYTE             byPktType,
+    PBYTE            pbyTxBufferAddr,
+    UINT             cbFrameBodySize,
+    UINT             uDMAIdx,
+    PSTxDesc         pHeadTD,
+    PSEthernetHeader psEthHeader,
+    PBYTE            pPacket,
+    BOOL             bNeedEncrypt,
+    PSKeyItem        pTransmitKey,
+    UINT             uNodeIndex,
     OUT PUINT            puMACfragNum
     )
 {
@@ -2095,17 +2095,17 @@ s_cbFillTxBufHead (
 
 void
 vGenerateFIFOHeader (
-    IN  PSDevice         pDevice,
-    IN  BYTE             byPktType,
-    IN  PBYTE            pbyTxBufferAddr,
-    IN  BOOL             bNeedEncrypt,
-    IN  UINT             cbPayloadSize,
-    IN  UINT             uDMAIdx,
-    IN  PSTxDesc         pHeadTD,
-    IN  PSEthernetHeader psEthHeader,
-    IN  PBYTE            pPacket,
-    IN  PSKeyItem        pTransmitKey,
-    IN  UINT             uNodeIndex,
+    PSDevice         pDevice,
+    BYTE             byPktType,
+    PBYTE            pbyTxBufferAddr,
+    BOOL             bNeedEncrypt,
+    UINT             cbPayloadSize,
+    UINT             uDMAIdx,
+    PSTxDesc         pHeadTD,
+    PSEthernetHeader psEthHeader,
+    PBYTE            pPacket,
+    PSKeyItem        pTransmitKey,
+    UINT             uNodeIndex,
     OUT PUINT            puMACfragNum,
     OUT PUINT            pcbHeaderSize
     )
@@ -2266,14 +2266,14 @@ vGenerateFIFOHeader (
 
 void
 vGenerateMACHeader (
-    IN PSDevice         pDevice,
-    IN PBYTE            pbyBufferAddr,
-    IN WORD             wDuration,
-    IN PSEthernetHeader psEthHeader,
-    IN BOOL             bNeedEncrypt,
-    IN WORD             wFragType,
-    IN UINT             uDMAIdx,
-    IN UINT             uFragIdx
+    PSDevice         pDevice,
+    PBYTE            pbyBufferAddr,
+    WORD             wDuration,
+    PSEthernetHeader psEthHeader,
+    BOOL             bNeedEncrypt,
+    WORD             wFragType,
+    UINT             uDMAIdx,
+    UINT             uFragIdx
     )
 {
     PS802_11Header  pMACHeader = (PS802_11Header)pbyBufferAddr;
@@ -2738,10 +2738,10 @@ CMD_STATUS csBeacon_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket) {
 
 UINT
 cbGetFragCount (
-    IN  PSDevice         pDevice,
-    IN  PSKeyItem        pTransmitKey,
-    IN  UINT             cbFrameBodySize,
-    IN  PSEthernetHeader psEthHeader
+    PSDevice         pDevice,
+    PSKeyItem        pTransmitKey,
+    UINT             cbFrameBodySize,
+    PSEthernetHeader psEthHeader
     )
 {
     UINT           cbMACHdLen;
diff --git a/drivers/staging/vt6655/rxtx.h b/drivers/staging/vt6655/rxtx.h
index 4c2df48be37..75988c74a18 100644
--- a/drivers/staging/vt6655/rxtx.h
+++ b/drivers/staging/vt6655/rxtx.h
@@ -41,20 +41,20 @@
 
 /*
 void vGenerateMACHeader(
-    IN PSDevice pDevice,
-    IN DWORD dwTxBufferAddr,
-    IN PBYTE pbySkbData,
-    IN UINT cbPacketSize,
-    IN BOOL bDMA0Used,
+    PSDevice pDevice,
+    DWORD dwTxBufferAddr,
+    PBYTE pbySkbData,
+    UINT cbPacketSize,
+    BOOL bDMA0Used,
     OUT PUINT pcbHeadSize,
     OUT PUINT pcbAppendPayload
      );
 
 void vProcessRxMACHeader (
-    IN  PSDevice pDevice,
-    IN  DWORD dwRxBufferAddr,
-    IN  UINT cbPacketSize,
-    IN  BOOL bIsWEP,
+    PSDevice pDevice,
+    DWORD dwRxBufferAddr,
+    UINT cbPacketSize,
+    BOOL bIsWEP,
     OUT PUINT pcbHeadSize
     );
 */
@@ -62,39 +62,39 @@ void vProcessRxMACHeader (
 
 void
 vGenerateMACHeader (
-    IN PSDevice         pDevice,
-    IN PBYTE            pbyBufferAddr,
-    IN WORD             wDuration,
-    IN PSEthernetHeader psEthHeader,
-    IN BOOL             bNeedEncrypt,
-    IN WORD             wFragType,
-    IN UINT             uDMAIdx,
-    IN UINT             uFragIdx
+    PSDevice         pDevice,
+    PBYTE            pbyBufferAddr,
+    WORD             wDuration,
+    PSEthernetHeader psEthHeader,
+    BOOL             bNeedEncrypt,
+    WORD             wFragType,
+    UINT             uDMAIdx,
+    UINT             uFragIdx
     );
 
 
 UINT
 cbGetFragCount(
-    IN  PSDevice         pDevice,
-    IN  PSKeyItem        pTransmitKey,
-    IN  UINT             cbFrameBodySize,
-    IN  PSEthernetHeader psEthHeader
+    PSDevice         pDevice,
+    PSKeyItem        pTransmitKey,
+    UINT             cbFrameBodySize,
+    PSEthernetHeader psEthHeader
     );
 
 
 void
 vGenerateFIFOHeader (
-    IN  PSDevice         pDevice,
-    IN  BYTE             byPktTyp,
-    IN  PBYTE            pbyTxBufferAddr,
-    IN  BOOL             bNeedEncrypt,
-    IN  UINT             cbPayloadSize,
-    IN  UINT             uDMAIdx,
-    IN  PSTxDesc         pHeadTD,
-    IN  PSEthernetHeader psEthHeader,
-    IN  PBYTE            pPacket,
-    IN  PSKeyItem        pTransmitKey,
-    IN  UINT             uNodeIndex,
+    PSDevice         pDevice,
+    BYTE             byPktTyp,
+    PBYTE            pbyTxBufferAddr,
+    BOOL             bNeedEncrypt,
+    UINT             cbPayloadSize,
+    UINT             uDMAIdx,
+    PSTxDesc         pHeadTD,
+    PSEthernetHeader psEthHeader,
+    PBYTE            pPacket,
+    PSKeyItem        pTransmitKey,
+    UINT             uNodeIndex,
     OUT PUINT            puMACfragNum,
     OUT PUINT            pcbHeaderSize
     );
diff --git a/drivers/staging/vt6655/ttype.h b/drivers/staging/vt6655/ttype.h
index b2dff3a7b77..2921083a9f2 100644
--- a/drivers/staging/vt6655/ttype.h
+++ b/drivers/staging/vt6655/ttype.h
@@ -33,10 +33,6 @@
 
 /******* Common definitions and typedefs ***********************************/
 
-#ifndef IN
-#define IN
-#endif
-
 #ifndef OUT
 #define OUT
 #endif
diff --git a/drivers/staging/vt6655/vntwifi.c b/drivers/staging/vt6655/vntwifi.c
index 03975dabb8d..bd3b2afe2cf 100644
--- a/drivers/staging/vt6655/vntwifi.c
+++ b/drivers/staging/vt6655/vntwifi.c
@@ -71,8 +71,8 @@
 -*/
 void
 VNTWIFIvSetOPMode (
-    IN void *pMgmtHandle,
-    IN WMAC_CONFIG_MODE eOPMode
+    void *pMgmtHandle,
+    WMAC_CONFIG_MODE eOPMode
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -100,10 +100,10 @@ VNTWIFIvSetOPMode (
 -*/
 void
 VNTWIFIvSetIBSSParameter (
-    IN void *pMgmtHandle,
-    IN WORD  wBeaconPeriod,
-    IN WORD  wATIMWindow,
-    IN UINT  uChannel
+    void *pMgmtHandle,
+    WORD  wBeaconPeriod,
+    WORD  wATIMWindow,
+    UINT  uChannel
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -129,7 +129,7 @@ VNTWIFIvSetIBSSParameter (
 -*/
 PWLAN_IE_SSID
 VNTWIFIpGetCurrentSSID (
-    IN void *pMgmtHandle
+    void *pMgmtHandle
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -152,7 +152,7 @@ VNTWIFIpGetCurrentSSID (
 -*/
 UINT
 VNTWIFIpGetCurrentChannel (
-    IN void *pMgmtHandle
+    void *pMgmtHandle
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -178,7 +178,7 @@ VNTWIFIpGetCurrentChannel (
 -*/
 WORD
 VNTWIFIwGetAssocID (
-    IN void *pMgmtHandle
+    void *pMgmtHandle
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -204,8 +204,8 @@ VNTWIFIwGetAssocID (
 -*/
 BYTE
 VNTWIFIbyGetMaxSupportRate (
-    IN PWLAN_IE_SUPP_RATES pSupportRateIEs,
-    IN PWLAN_IE_SUPP_RATES pExtSupportRateIEs
+    PWLAN_IE_SUPP_RATES pSupportRateIEs,
+    PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     )
 {
     BYTE    byMaxSupportRate = RATE_1M;
@@ -250,9 +250,9 @@ VNTWIFIbyGetMaxSupportRate (
 -*/
 BYTE
 VNTWIFIbyGetACKTxRate (
-    IN BYTE byRxDataRate,
-    IN PWLAN_IE_SUPP_RATES pSupportRateIEs,
-    IN PWLAN_IE_SUPP_RATES pExtSupportRateIEs
+    BYTE byRxDataRate,
+    PWLAN_IE_SUPP_RATES pSupportRateIEs,
+    PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     )
 {
     BYTE    byMaxAckRate;
@@ -308,8 +308,8 @@ VNTWIFIbyGetACKTxRate (
 -*/
 void
 VNTWIFIvSetAuthenticationMode (
-    IN void *pMgmtHandle,
-    IN WMAC_AUTHENTICATION_MODE eAuthMode
+    void *pMgmtHandle,
+    WMAC_AUTHENTICATION_MODE eAuthMode
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -340,8 +340,8 @@ VNTWIFIvSetAuthenticationMode (
 -*/
 void
 VNTWIFIvSetEncryptionMode (
-    IN void *pMgmtHandle,
-    IN WMAC_ENCRYPTION_MODE eEncryptionMode
+    void *pMgmtHandle,
+    WMAC_ENCRYPTION_MODE eEncryptionMode
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -360,8 +360,8 @@ VNTWIFIvSetEncryptionMode (
 
 BOOL
 VNTWIFIbConfigPhyMode (
-    IN void *pMgmtHandle,
-    IN CARD_PHY_TYPE ePhyType
+    void *pMgmtHandle,
+    CARD_PHY_TYPE ePhyType
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -381,7 +381,7 @@ VNTWIFIbConfigPhyMode (
 
 void
 VNTWIFIbGetConfigPhyMode (
-    IN  void *pMgmtHandle,
+    void *pMgmtHandle,
     OUT void *pePhyType
     )
 {
@@ -426,7 +426,7 @@ VNTWIFIbGetConfigPhyMode (
 
 void
 VNTWIFIvQueryBSSList (
-    IN void *pMgmtHandle,
+    void *pMgmtHandle,
     OUT PUINT   puBSSCount,
     OUT void **pvFirstBSS
     )
@@ -456,8 +456,8 @@ VNTWIFIvQueryBSSList (
 
 void
 VNTWIFIvGetNextBSS (
-    IN void *pMgmtHandle,
-    IN void *pvCurrentBSS,
+    void *pMgmtHandle,
+    void *pvCurrentBSS,
     OUT void **pvNextBSS
     )
 {
@@ -496,11 +496,11 @@ VNTWIFIvGetNextBSS (
 -*/
 void
 VNTWIFIvUpdateNodeTxCounter(
-    IN void *pMgmtHandle,
-    IN PBYTE    pbyDestAddress,
-    IN BOOL     bTxOk,
-    IN WORD     wRate,
-    IN PBYTE    pbyTxFailCount
+    void *pMgmtHandle,
+    PBYTE    pbyDestAddress,
+    BOOL     bTxOk,
+    WORD     wRate,
+    PBYTE    pbyTxFailCount
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -531,8 +531,8 @@ VNTWIFIvUpdateNodeTxCounter(
 
 void
 VNTWIFIvGetTxRate(
-    IN void *pMgmtHandle,
-    IN PBYTE    pbyDestAddress,
+    void *pMgmtHandle,
+    PBYTE    pbyDestAddress,
     OUT PWORD   pwTxDataRate,
     OUT PBYTE   pbyACKRate,
     OUT PBYTE   pbyCCKBasicRate,
@@ -603,8 +603,8 @@ VNTWIFIvGetTxRate(
 
 BYTE
 VNTWIFIbyGetKeyCypher(
-    IN void *pMgmtHandle,
-    IN BOOL     bGroupKey
+    void *pMgmtHandle,
+    BOOL     bGroupKey
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -620,7 +620,7 @@ VNTWIFIbyGetKeyCypher(
 /*
 BOOL
 VNTWIFIbInit(
-    IN void *pAdapterHandler,
+    void *pAdapterHandler,
     OUT void **pMgmtHandler
     )
 {
@@ -664,9 +664,9 @@ VNTWIFIbInit(
 
 BOOL
 VNTWIFIbSetPMKIDCache (
-    IN void *pMgmtObject,
-    IN ULONG ulCount,
-    IN void *pPMKIDInfo
+    void *pMgmtObject,
+    ULONG ulCount,
+    void *pPMKIDInfo
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
@@ -683,7 +683,7 @@ VNTWIFIbSetPMKIDCache (
 
 WORD
 VNTWIFIwGetMaxSupportRate(
-    IN void *pMgmtObject
+    void *pMgmtObject
     )
 {
     WORD wRate = RATE_54M;
@@ -704,8 +704,8 @@ VNTWIFIwGetMaxSupportRate(
 
 void
 VNTWIFIvSet11h (
-    IN void *pMgmtObject,
-    IN BOOL  b11hEnable
+    void *pMgmtObject,
+    BOOL  b11hEnable
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
@@ -715,13 +715,13 @@ VNTWIFIvSet11h (
 
 BOOL
 VNTWIFIbMeasureReport(
-    IN void *pMgmtObject,
-    IN BOOL  bEndOfReport,
-    IN void *pvMeasureEID,
-    IN BYTE  byReportMode,
-    IN BYTE  byBasicMap,
-    IN BYTE  byCCAFraction,
-    IN PBYTE pbyRPIs
+    void *pMgmtObject,
+    BOOL  bEndOfReport,
+    void *pvMeasureEID,
+    BYTE  byReportMode,
+    BYTE  byBasicMap,
+    BYTE  byCCAFraction,
+    PBYTE pbyRPIs
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
@@ -775,8 +775,8 @@ VNTWIFIbMeasureReport(
 
 BOOL
 VNTWIFIbChannelSwitch(
-    IN void *pMgmtObject,
-    IN BYTE  byNewChannel
+    void *pMgmtObject,
+    BYTE  byNewChannel
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
@@ -791,8 +791,8 @@ VNTWIFIbChannelSwitch(
 /*
 BOOL
 VNTWIFIbRadarPresent(
-    IN void *pMgmtObject,
-    IN BYTE  byChannel
+    void *pMgmtObject,
+    BYTE  byChannel
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
diff --git a/drivers/staging/vt6655/vntwifi.h b/drivers/staging/vt6655/vntwifi.h
index 666684af5cd..ca1ee0e4446 100644
--- a/drivers/staging/vt6655/vntwifi.h
+++ b/drivers/staging/vt6655/vntwifi.h
@@ -142,74 +142,74 @@ typedef enum tagWMAC_POWER_MODE {
 
 void
 VNTWIFIvSetIBSSParameter (
-    IN void *pMgmtHandle,
-    IN WORD  wBeaconPeriod,
-    IN WORD  wATIMWindow,
-    IN UINT  uChannel
+    void *pMgmtHandle,
+    WORD  wBeaconPeriod,
+    WORD  wATIMWindow,
+    UINT  uChannel
     );
 
 void
 VNTWIFIvSetOPMode (
-    IN void *pMgmtHandle,
-    IN WMAC_CONFIG_MODE eOPMode
+    void *pMgmtHandle,
+    WMAC_CONFIG_MODE eOPMode
     );
 
 PWLAN_IE_SSID
 VNTWIFIpGetCurrentSSID(
-    IN void *pMgmtHandle
+    void *pMgmtHandle
     );
 
 UINT
 VNTWIFIpGetCurrentChannel(
-    IN void *pMgmtHandle
+    void *pMgmtHandle
     );
 
 WORD
 VNTWIFIwGetAssocID (
-    IN void *pMgmtHandle
+    void *pMgmtHandle
     );
 
 BYTE
 VNTWIFIbyGetMaxSupportRate (
-    IN PWLAN_IE_SUPP_RATES pSupportRateIEs,
-    IN PWLAN_IE_SUPP_RATES pExtSupportRateIEs
+    PWLAN_IE_SUPP_RATES pSupportRateIEs,
+    PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     );
 
 BYTE
 VNTWIFIbyGetACKTxRate (
-    IN BYTE byRxDataRate,
-    IN PWLAN_IE_SUPP_RATES pSupportRateIEs,
-    IN PWLAN_IE_SUPP_RATES pExtSupportRateIEs
+    BYTE byRxDataRate,
+    PWLAN_IE_SUPP_RATES pSupportRateIEs,
+    PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     );
 
 void
 VNTWIFIvSetAuthenticationMode (
-    IN void *pMgmtHandle,
-    IN WMAC_AUTHENTICATION_MODE eAuthMode
+    void *pMgmtHandle,
+    WMAC_AUTHENTICATION_MODE eAuthMode
     );
 
 void
 VNTWIFIvSetEncryptionMode (
-    IN void *pMgmtHandle,
-    IN WMAC_ENCRYPTION_MODE eEncryptionMode
+    void *pMgmtHandle,
+    WMAC_ENCRYPTION_MODE eEncryptionMode
     );
 
 
 BOOL
 VNTWIFIbConfigPhyMode(
-    IN void *pMgmtHandle,
-    IN CARD_PHY_TYPE ePhyType
+    void *pMgmtHandle,
+    CARD_PHY_TYPE ePhyType
     );
 
 void
 VNTWIFIbGetConfigPhyMode(
-    IN  void *pMgmtHandle,
+    void *pMgmtHandle,
     OUT void *pePhyType
     );
 
 void
 VNTWIFIvQueryBSSList(
-    IN void *pMgmtHandle,
+    void *pMgmtHandle,
     OUT PUINT   puBSSCount,
     OUT void **pvFirstBSS
     );
@@ -219,8 +219,8 @@ VNTWIFIvQueryBSSList(
 
 void
 VNTWIFIvGetNextBSS (
-    IN void *pMgmtHandle,
-    IN void *pvCurrentBSS,
+    void *pMgmtHandle,
+    void *pvCurrentBSS,
     OUT void **pvNextBSS
     );
 
@@ -228,18 +228,18 @@ VNTWIFIvGetNextBSS (
 
 void
 VNTWIFIvUpdateNodeTxCounter(
-    IN void *pMgmtHandle,
-    IN PBYTE    pbyDestAddress,
-    IN BOOL     bTxOk,
-    IN WORD     wRate,
-    IN PBYTE    pbyTxFailCount
+    void *pMgmtHandle,
+    PBYTE    pbyDestAddress,
+    BOOL     bTxOk,
+    WORD     wRate,
+    PBYTE    pbyTxFailCount
     );
 
 
 void
 VNTWIFIvGetTxRate(
-    IN void *pMgmtHandle,
-    IN PBYTE    pbyDestAddress,
+    void *pMgmtHandle,
+    PBYTE    pbyDestAddress,
     OUT PWORD   pwTxDataRate,
     OUT PBYTE   pbyACKRate,
     OUT PBYTE   pbyCCKBasicRate,
@@ -248,15 +248,15 @@ VNTWIFIvGetTxRate(
 /*
 BOOL
 VNTWIFIbInit(
-    IN void *pAdapterHandler,
+    void *pAdapterHandler,
     OUT void **pMgmtHandler
     );
 */
 
 BYTE
 VNTWIFIbyGetKeyCypher(
-    IN void *pMgmtHandle,
-    IN BOOL     bGroupKey
+    void *pMgmtHandle,
+    BOOL     bGroupKey
     );
 
 
@@ -264,49 +264,49 @@ VNTWIFIbyGetKeyCypher(
 
 BOOL
 VNTWIFIbSetPMKIDCache (
-    IN void *pMgmtObject,
-    IN ULONG ulCount,
-    IN void *pPMKIDInfo
+    void *pMgmtObject,
+    ULONG ulCount,
+    void *pPMKIDInfo
     );
 
 BOOL
 VNTWIFIbCommandRunning (
-    IN void *pMgmtObject
+    void *pMgmtObject
     );
 
 WORD
 VNTWIFIwGetMaxSupportRate(
-    IN void *pMgmtObject
+    void *pMgmtObject
     );
 
 // for 802.11h
 void
 VNTWIFIvSet11h (
-    IN void *pMgmtObject,
-    IN BOOL  b11hEnable
+    void *pMgmtObject,
+    BOOL  b11hEnable
     );
 
 BOOL
 VNTWIFIbMeasureReport(
-    IN void *pMgmtObject,
-    IN BOOL  bEndOfReport,
-    IN void *pvMeasureEID,
-    IN BYTE  byReportMode,
-    IN BYTE  byBasicMap,
-    IN BYTE  byCCAFraction,
-    IN PBYTE pbyRPIs
+    void *pMgmtObject,
+    BOOL  bEndOfReport,
+    void *pvMeasureEID,
+    BYTE  byReportMode,
+    BYTE  byBasicMap,
+    BYTE  byCCAFraction,
+    PBYTE pbyRPIs
     );
 
 BOOL
 VNTWIFIbChannelSwitch(
-    IN void *pMgmtObject,
-    IN BYTE  byNewChannel
+    void *pMgmtObject,
+    BYTE  byNewChannel
     );
 /*
 BOOL
 VNTWIFIbRadarPresent(
-    IN void *pMgmtObject,
-    IN BYTE  byChannel
+    void *pMgmtObject,
+    BYTE  byChannel
     );
 */
 
diff --git a/drivers/staging/vt6655/wcmd.c b/drivers/staging/vt6655/wcmd.c
index 6e460409f98..28665d870f5 100644
--- a/drivers/staging/vt6655/wcmd.c
+++ b/drivers/staging/vt6655/wcmd.c
@@ -68,19 +68,19 @@ static int          msglevel                =MSG_LEVEL_INFO;
 static
 void
 s_vProbeChannel(
-    IN PSDevice pDevice
+    PSDevice pDevice
     );
 
 
 static
 PSTxMgmtPacket
 s_MgrMakeProbeRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pScanBSSID,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PBYTE pScanBSSID,
+    PWLAN_IE_SSID pSSID,
+    PWLAN_IE_SUPP_RATES pCurrRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 
@@ -204,7 +204,7 @@ vAdHocBeaconRestart(PSDevice pDevice)
 static
 void
 s_vProbeChannel(
-    IN PSDevice pDevice
+    PSDevice pDevice
     )
 {
                                                      //1M,   2M,   5M,   11M,  18M,  24M,  36M,  54M
@@ -267,12 +267,12 @@ s_vProbeChannel(
 
 PSTxMgmtPacket
 s_MgrMakeProbeRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pScanBSSID,
-    IN PWLAN_IE_SSID pSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PBYTE pScanBSSID,
+    PWLAN_IE_SSID pSSID,
+    PWLAN_IE_SUPP_RATES pCurrRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
 
     )
 {
@@ -319,8 +319,8 @@ s_MgrMakeProbeRequest(
 
 void
 vCommandTimerWait(
-    IN void *hDeviceContext,
-    IN UINT MSecond
+    void *hDeviceContext,
+    UINT MSecond
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -339,7 +339,7 @@ vCommandTimerWait(
 
 void
 vCommandTimer (
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -980,9 +980,9 @@ s_bCommandComplete (
 
 
 BOOL bScheduleCommand (
-    IN void *hDeviceContext,
-    IN CMD_CODE    eCommand,
-    IN PBYTE       pbyItem0
+    void *hDeviceContext,
+    CMD_CODE    eCommand,
+    PBYTE       pbyItem0
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1061,7 +1061,7 @@ BOOL bScheduleCommand (
  *
  */
 BOOL bClearBSSID_SCAN (
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1083,7 +1083,7 @@ BOOL bClearBSSID_SCAN (
 //mike add:reset command timer
 void
 vResetCommandTimer(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
   PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -1107,7 +1107,7 @@ vResetCommandTimer(
 #ifdef TxInSleep
 void
 BSSvSecondTxData(
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
   PSDevice        pDevice = (PSDevice)hDeviceContext;
diff --git a/drivers/staging/vt6655/wcmd.h b/drivers/staging/vt6655/wcmd.h
index 67b08f61edc..c3c41808951 100644
--- a/drivers/staging/vt6655/wcmd.h
+++ b/drivers/staging/vt6655/wcmd.h
@@ -111,34 +111,34 @@ typedef enum tagCMD_STATE {
 /*---------------------  Export Functions  --------------------------*/
 void
 vResetCommandTimer(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 void
 vCommandTimer (
-    IN  void *hDeviceContext
+    void *hDeviceContext
     );
 
 BOOL bClearBSSID_SCAN(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 BOOL
 bScheduleCommand(
-    IN void *hDeviceContext,
-    IN CMD_CODE    eCommand,
-    IN PBYTE       pbyItem0
+    void *hDeviceContext,
+    CMD_CODE    eCommand,
+    PBYTE       pbyItem0
     );
 
 void
 vCommandTimerWait(
-    IN void *hDeviceContext,
-    IN UINT MSecond
+    void *hDeviceContext,
+    UINT MSecond
     );
 #ifdef TxInSleep
 void
 BSSvSecondTxData(
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 #endif
 
diff --git a/drivers/staging/vt6655/wmgr.c b/drivers/staging/vt6655/wmgr.c
index 614850a7b91..19a16cae175 100644
--- a/drivers/staging/vt6655/wmgr.c
+++ b/drivers/staging/vt6655/wmgr.c
@@ -94,110 +94,110 @@ static int          msglevel                =MSG_LEVEL_INFO;
 /*---------------------  Static Functions  --------------------------*/
 //2008-8-4 <add> by chester
 static BOOL ChannelExceedZoneType(
-    IN PSDevice pDevice,
-    IN BYTE byCurrChannel
+    PSDevice pDevice,
+    BYTE byCurrChannel
     );
 
 // Association/diassociation functions
 static
 PSTxMgmtPacket
 s_MgrMakeAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pDAddr,
-    IN WORD wCurrCapInfo,
-    IN WORD wListenInterval,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PBYTE pDAddr,
+    WORD wCurrCapInfo,
+    WORD wListenInterval,
+    PWLAN_IE_SSID pCurrSSID,
+    PWLAN_IE_SUPP_RATES pCurrRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 static
 void
 s_vMgrRxAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN UINT  uNodeIndex
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket,
+    UINT  uNodeIndex
     );
 
 static
 PSTxMgmtPacket
 s_MgrMakeReAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pDAddr,
-    IN WORD wCurrCapInfo,
-    IN WORD wListenInterval,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PBYTE pDAddr,
+    WORD wCurrCapInfo,
+    WORD wListenInterval,
+    PWLAN_IE_SSID pCurrSSID,
+    PWLAN_IE_SUPP_RATES pCurrRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 static
 void
 s_vMgrRxAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN BOOL bReAssocType
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket,
+    BOOL bReAssocType
     );
 
 static
 void
 s_vMgrRxDisassociation(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     );
 
 // Authentication/deauthen functions
 static
 void
 s_vMgrRxAuthenSequence_1(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PWLAN_FR_AUTHEN pFrame
     );
 
 static
 void
 s_vMgrRxAuthenSequence_2(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PWLAN_FR_AUTHEN pFrame
     );
 
 static
 void
 s_vMgrRxAuthenSequence_3(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PWLAN_FR_AUTHEN pFrame
     );
 
 static
 void
 s_vMgrRxAuthenSequence_4(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PWLAN_FR_AUTHEN pFrame
     );
 
 static
 void
 s_vMgrRxAuthentication(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     );
 
 static
 void
 s_vMgrRxDeauthentication(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     );
 
 // Scan functions
@@ -205,49 +205,49 @@ s_vMgrRxDeauthentication(
 static
 void
 s_vMgrRxProbeRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     );
 
 static
 void
 s_vMgrRxProbeResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     );
 
 // beacon functions
 static
 void
 s_vMgrRxBeacon(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN BOOL bInScan
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket,
+    BOOL bInScan
     );
 
 static
 void
 s_vMgrFormatTIM(
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_IE_TIM pTIM
+    PSMgmtObject pMgmt,
+    PWLAN_IE_TIM pTIM
     );
 
 static
 PSTxMgmtPacket
 s_MgrMakeBeacon(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wCurrBeaconPeriod,
-    IN UINT uCurrChannel,
-    IN WORD wCurrATIMWinodw,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PBYTE pCurrBSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    WORD wCurrCapInfo,
+    WORD wCurrBeaconPeriod,
+    UINT uCurrChannel,
+    WORD wCurrATIMWinodw,
+    PWLAN_IE_SSID pCurrSSID,
+    PBYTE pCurrBSSID,
+    PWLAN_IE_SUPP_RATES pCurrSuppRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 
@@ -255,78 +255,78 @@ s_MgrMakeBeacon(
 static
 PSTxMgmtPacket
 s_MgrMakeAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wAssocStatus,
-    IN WORD wAssocAID,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    WORD wCurrCapInfo,
+    WORD wAssocStatus,
+    WORD wAssocAID,
+    PBYTE pDstAddr,
+    PWLAN_IE_SUPP_RATES pCurrSuppRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 // ReAssociation response
 static
 PSTxMgmtPacket
 s_MgrMakeReAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wAssocStatus,
-    IN WORD wAssocAID,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    WORD wCurrCapInfo,
+    WORD wAssocStatus,
+    WORD wAssocAID,
+    PBYTE pDstAddr,
+    PWLAN_IE_SUPP_RATES pCurrSuppRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     );
 
 // Probe response
 static
 PSTxMgmtPacket
 s_MgrMakeProbeResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wCurrBeaconPeriod,
-    IN UINT uCurrChannel,
-    IN WORD wCurrATIMWinodw,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PBYTE pCurrBSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
-    IN BYTE byPHYType
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    WORD wCurrCapInfo,
+    WORD wCurrBeaconPeriod,
+    UINT uCurrChannel,
+    WORD wCurrATIMWinodw,
+    PBYTE pDstAddr,
+    PWLAN_IE_SSID pCurrSSID,
+    PBYTE pCurrBSSID,
+    PWLAN_IE_SUPP_RATES pCurrSuppRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
+    BYTE byPHYType
     );
 
 // received status
 static
 void
 s_vMgrLogStatus(
-    IN PSMgmtObject pMgmt,
-    IN WORD wStatus
+    PSMgmtObject pMgmt,
+    WORD wStatus
     );
 
 
 static
 void
 s_vMgrSynchBSS (
-    IN PSDevice      pDevice,
-    IN UINT          uBSSMode,
-    IN PKnownBSS     pCurr,
+    PSDevice      pDevice,
+    UINT          uBSSMode,
+    PKnownBSS     pCurr,
     OUT PCMD_STATUS  pStatus
     );
 
 
 static BOOL
 s_bCipherMatch (
-    IN PKnownBSS                        pBSSNode,
-    IN NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
+    PKnownBSS                        pBSSNode,
+    NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
     OUT PBYTE                           pbyCCSPK,
     OUT PBYTE                           pbyCCSGK
     );
 
  static void  Encyption_Rebuild(
-    IN PSDevice pDevice,
-    IN PKnownBSS pCurr
+    PSDevice pDevice,
+    PKnownBSS pCurr
  );
 
 
@@ -349,7 +349,7 @@ s_bCipherMatch (
 
 void
 vMgrObjectInit(
-    IN  void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -385,7 +385,7 @@ vMgrObjectInit(
 
 void
 vMgrTimerInit(
-    IN  void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -433,7 +433,7 @@ vMgrTimerInit(
 
 void
 vMgrObjectReset(
-    IN  void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice         pDevice = (PSDevice)hDeviceContext;
@@ -462,8 +462,8 @@ vMgrObjectReset(
 
 void
 vMgrAssocBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -538,8 +538,8 @@ vMgrAssocBeginSta(
 
 void
 vMgrReAssocBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -617,10 +617,10 @@ vMgrReAssocBeginSta(
 
 void
 vMgrDisassocBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt,
-    IN  PBYTE  abyDestAddress,
-    IN  WORD    wReason,
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
+    PBYTE  abyDestAddress,
+    WORD    wReason,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -680,10 +680,10 @@ vMgrDisassocBeginSta(
 static
 void
 s_vMgrRxAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN UINT uNodeIndex
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket,
+    UINT uNodeIndex
     )
 {
     WLAN_FR_ASSOCREQ    sFrame;
@@ -842,10 +842,10 @@ s_vMgrRxAssocRequest(
 static
 void
 s_vMgrRxReAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN UINT uNodeIndex
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket,
+    UINT uNodeIndex
     )
 {
     WLAN_FR_REASSOCREQ    sFrame;
@@ -992,10 +992,10 @@ s_vMgrRxReAssocRequest(
 static
 void
 s_vMgrRxAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN BOOL bReAssocType
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket,
+    BOOL bReAssocType
     )
 {
     WLAN_FR_ASSOCRESP   sFrame;
@@ -1152,8 +1152,8 @@ if(pMgmt->eCurrState == WMAC_STATE_ASSOC)
 
 void
 vMgrAuthenBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject  pMgmt,
+    void *hDeviceContext,
+    PSMgmtObject  pMgmt,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -1210,10 +1210,10 @@ vMgrAuthenBeginSta(
 
 void
 vMgrDeAuthenBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject  pMgmt,
-    IN  PBYTE  abyDestAddress,
-    IN  WORD    wReason,
+    void *hDeviceContext,
+    PSMgmtObject  pMgmt,
+    PBYTE  abyDestAddress,
+    WORD    wReason,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -1267,9 +1267,9 @@ vMgrDeAuthenBeginSta(
 static
 void
 s_vMgrRxAuthentication(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     )
 {
     WLAN_FR_AUTHEN  sFrame;
@@ -1325,9 +1325,9 @@ s_vMgrRxAuthentication(
 static
 void
 s_vMgrRxAuthenSequence_1(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PWLAN_FR_AUTHEN pFrame
      )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -1431,9 +1431,9 @@ s_vMgrRxAuthenSequence_1(
 static
 void
 s_vMgrRxAuthenSequence_2(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PWLAN_FR_AUTHEN pFrame
     )
 {
     WLAN_FR_AUTHEN      sFrame;
@@ -1533,9 +1533,9 @@ s_vMgrRxAuthenSequence_2(
 static
 void
 s_vMgrRxAuthenSequence_3(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PWLAN_FR_AUTHEN pFrame
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -1621,9 +1621,9 @@ reply:
 static
 void
 s_vMgrRxAuthenSequence_4(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_FR_AUTHEN pFrame
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PWLAN_FR_AUTHEN pFrame
     )
 {
 
@@ -1660,9 +1660,9 @@ s_vMgrRxAuthenSequence_4(
 static
 void
 s_vMgrRxDisassociation(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     )
 {
     WLAN_FR_DISASSOC    sFrame;
@@ -1739,9 +1739,9 @@ s_vMgrRxDisassociation(
 static
 void
 s_vMgrRxDeauthentication(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     )
 {
     WLAN_FR_DEAUTHEN    sFrame;
@@ -1827,8 +1827,8 @@ s_vMgrRxDeauthentication(
 -*/
 static BOOL
 ChannelExceedZoneType(
-    IN PSDevice pDevice,
-    IN BYTE byCurrChannel
+    PSDevice pDevice,
+    BYTE byCurrChannel
     )
 {
   BOOL exceed=FALSE;
@@ -1865,10 +1865,10 @@ ChannelExceedZoneType(
 static
 void
 s_vMgrRxBeacon(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket,
-    IN BOOL bInScan
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket,
+    BOOL bInScan
     )
 {
 
@@ -2386,7 +2386,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 -*/
 void
 vMgrCreateOwnIBSS(
-    IN  void *hDeviceContext,
+    void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -2653,7 +2653,7 @@ vMgrCreateOwnIBSS(
 
 void
 vMgrJoinBSSBegin(
-    IN  void *hDeviceContext,
+    void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     )
 {
@@ -2922,9 +2922,9 @@ vMgrJoinBSSBegin(
 static
 void
 s_vMgrSynchBSS (
-    IN PSDevice      pDevice,
-    IN UINT          uBSSMode,
-    IN PKnownBSS     pCurr,
+    PSDevice      pDevice,
+    UINT          uBSSMode,
+    PKnownBSS     pCurr,
     OUT PCMD_STATUS  pStatus
     )
 {
@@ -3089,8 +3089,8 @@ s_vMgrSynchBSS (
 //mike add: fix NetworkManager 0.7.0 hidden ssid mode in WPA encryption
 //                   ,need reset eAuthenMode and eEncryptionStatus
  static void  Encyption_Rebuild(
-    IN PSDevice pDevice,
-    IN PKnownBSS pCurr
+    PSDevice pDevice,
+    PKnownBSS pCurr
  )
  {
   PSMgmtObject  pMgmt = &(pDevice->sMgmtObj);
@@ -3147,8 +3147,8 @@ s_vMgrSynchBSS (
 static
 void
 s_vMgrFormatTIM(
-    IN PSMgmtObject pMgmt,
-    IN PWLAN_IE_TIM pTIM
+    PSMgmtObject pMgmt,
+    PWLAN_IE_TIM pTIM
     )
 {
     BYTE        byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
@@ -3222,16 +3222,16 @@ s_vMgrFormatTIM(
 static
 PSTxMgmtPacket
 s_MgrMakeBeacon(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wCurrBeaconPeriod,
-    IN UINT uCurrChannel,
-    IN WORD wCurrATIMWinodw,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PBYTE pCurrBSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    WORD wCurrCapInfo,
+    WORD wCurrBeaconPeriod,
+    UINT uCurrChannel,
+    WORD wCurrATIMWinodw,
+    PWLAN_IE_SSID pCurrSSID,
+    PBYTE pCurrBSSID,
+    PWLAN_IE_SUPP_RATES pCurrSuppRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -3451,18 +3451,18 @@ s_MgrMakeBeacon(
 
 PSTxMgmtPacket
 s_MgrMakeProbeResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wCurrBeaconPeriod,
-    IN UINT uCurrChannel,
-    IN WORD wCurrATIMWinodw,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PBYTE pCurrBSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
-    IN BYTE byPHYType
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    WORD wCurrCapInfo,
+    WORD wCurrBeaconPeriod,
+    UINT uCurrChannel,
+    WORD wCurrATIMWinodw,
+    PBYTE pDstAddr,
+    PWLAN_IE_SSID pCurrSSID,
+    PBYTE pCurrBSSID,
+    PWLAN_IE_SUPP_RATES pCurrSuppRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
+    BYTE byPHYType
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -3640,14 +3640,14 @@ s_MgrMakeProbeResponse(
 
 PSTxMgmtPacket
 s_MgrMakeAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pDAddr,
-    IN WORD wCurrCapInfo,
-    IN WORD wListenInterval,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PBYTE pDAddr,
+    WORD wCurrCapInfo,
+    WORD wListenInterval,
+    PWLAN_IE_SSID pCurrSSID,
+    PWLAN_IE_SUPP_RATES pCurrRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -3915,14 +3915,14 @@ s_MgrMakeAssocRequest(
 
 PSTxMgmtPacket
 s_MgrMakeReAssocRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PBYTE pDAddr,
-    IN WORD wCurrCapInfo,
-    IN WORD wListenInterval,
-    IN PWLAN_IE_SSID pCurrSSID,
-    IN PWLAN_IE_SUPP_RATES pCurrRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PBYTE pDAddr,
+    WORD wCurrCapInfo,
+    WORD wListenInterval,
+    PWLAN_IE_SSID pCurrSSID,
+    PWLAN_IE_SUPP_RATES pCurrRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -4167,14 +4167,14 @@ s_MgrMakeReAssocRequest(
 
 PSTxMgmtPacket
 s_MgrMakeAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wAssocStatus,
-    IN WORD wAssocAID,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    WORD wCurrCapInfo,
+    WORD wAssocStatus,
+    WORD wAssocAID,
+    PBYTE pDstAddr,
+    PWLAN_IE_SUPP_RATES pCurrSuppRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -4241,14 +4241,14 @@ s_MgrMakeAssocResponse(
 
 PSTxMgmtPacket
 s_MgrMakeReAssocResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN WORD wCurrCapInfo,
-    IN WORD wAssocStatus,
-    IN WORD wAssocAID,
-    IN PBYTE pDstAddr,
-    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
-    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    WORD wCurrCapInfo,
+    WORD wAssocStatus,
+    WORD wAssocAID,
+    PBYTE pDstAddr,
+    PWLAN_IE_SUPP_RATES pCurrSuppRates,
+    PWLAN_IE_SUPP_RATES pCurrExtSuppRates
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -4315,9 +4315,9 @@ s_MgrMakeReAssocResponse(
 static
 void
 s_vMgrRxProbeResponse(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     )
 {
     PKnownBSS           pBSSList = NULL;
@@ -4440,9 +4440,9 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 static
 void
 s_vMgrRxProbeRequest(
-    IN PSDevice pDevice,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    PSDevice pDevice,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     )
 {
     WLAN_FR_PROBEREQ    sFrame;
@@ -4536,9 +4536,9 @@ s_vMgrRxProbeRequest(
 
 void
 vMgrRxManagePacket(
-    IN  void *hDeviceContext,
-    IN PSMgmtObject pMgmt,
-    IN PSRxMgmtPacket pRxPacket
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
      )
 {
     PSDevice    pDevice = (PSDevice)hDeviceContext;
@@ -4685,8 +4685,8 @@ vMgrRxManagePacket(
 -*/
 BOOL
 bMgrPrepareBeaconToSend(
-    IN void *hDeviceContext,
-    IN PSMgmtObject pMgmt
+    void *hDeviceContext,
+    PSMgmtObject pMgmt
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -4740,8 +4740,8 @@ bMgrPrepareBeaconToSend(
 static
 void
 s_vMgrLogStatus(
-    IN PSMgmtObject pMgmt,
-    IN WORD  wStatus
+    PSMgmtObject pMgmt,
+    WORD  wStatus
     )
 {
     switch( wStatus ){
@@ -4809,9 +4809,9 @@ s_vMgrLogStatus(
 -*/
 BOOL
 bAdd_PMKID_Candidate (
-    IN void *hDeviceContext,
-    IN PBYTE          pbyBSSID,
-    IN PSRSNCapObject psRSNCapObj
+    void *hDeviceContext,
+    PBYTE          pbyBSSID,
+    PSRSNCapObject psRSNCapObj
     )
 {
     PSDevice         pDevice = (PSDevice)hDeviceContext;
@@ -4870,7 +4870,7 @@ bAdd_PMKID_Candidate (
 -*/
 void
 vFlush_PMKID_Candidate (
-    IN void *hDeviceContext
+    void *hDeviceContext
     )
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -4883,8 +4883,8 @@ vFlush_PMKID_Candidate (
 
 static BOOL
 s_bCipherMatch (
-    IN PKnownBSS                        pBSSNode,
-    IN NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
+    PKnownBSS                        pBSSNode,
+    NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
     OUT PBYTE                           pbyCCSPK,
     OUT PBYTE                           pbyCCSGK
     )
diff --git a/drivers/staging/vt6655/wmgr.h b/drivers/staging/vt6655/wmgr.h
index cee86028181..a86406e63bc 100644
--- a/drivers/staging/vt6655/wmgr.h
+++ b/drivers/staging/vt6655/wmgr.h
@@ -401,102 +401,102 @@ typedef struct tagSMgmtObject
 
 void
 vMgrObjectInit(
-    IN  void *hDeviceContext
+    void *hDeviceContext
     );
 
 void
 vMgrTimerInit(
-    IN  void *hDeviceContext
+    void *hDeviceContext
     );
 
 void
 vMgrObjectReset(
-    IN  void *hDeviceContext
+    void *hDeviceContext
     );
 
 void
 vMgrAssocBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrReAssocBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrDisassocBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt,
-    IN  PBYTE  abyDestAddress,
-    IN  WORD    wReason,
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
+    PBYTE  abyDestAddress,
+    WORD    wReason,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrAuthenBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt,
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrCreateOwnIBSS(
-    IN  void *hDeviceContext,
+    void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrJoinBSSBegin(
-    IN  void *hDeviceContext,
+    void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 
 void
 vMgrRxManagePacket(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt,
-    IN  PSRxMgmtPacket pRxPacket
+    void *hDeviceContext,
+    PSMgmtObject pMgmt,
+    PSRxMgmtPacket pRxPacket
     );
 
 /*
 void
 vMgrScanBegin(
-    IN  void *hDeviceContext,
+    void *hDeviceContext,
     OUT PCMD_STATUS pStatus
     );
 */
 
 void
 vMgrDeAuthenBeginSta(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject  pMgmt,
-    IN  PBYTE   abyDestAddress,
-    IN  WORD    wReason,
+    void *hDeviceContext,
+    PSMgmtObject  pMgmt,
+    PBYTE   abyDestAddress,
+    WORD    wReason,
     OUT PCMD_STATUS pStatus
     );
 
 BOOL
 bMgrPrepareBeaconToSend(
-    IN  void *hDeviceContext,
-    IN  PSMgmtObject pMgmt
+    void *hDeviceContext,
+    PSMgmtObject pMgmt
     );
 
 
 BOOL
 bAdd_PMKID_Candidate (
-    IN void *hDeviceContext,
-    IN PBYTE          pbyBSSID,
-    IN PSRSNCapObject psRSNCapObj
+    void *hDeviceContext,
+    PBYTE          pbyBSSID,
+    PSRSNCapObject psRSNCapObj
     );
 
 void
 vFlush_PMKID_Candidate (
-    IN void *hDeviceContext
+    void *hDeviceContext
     );
 
 #endif // __WMGR_H__
diff --git a/drivers/staging/vt6655/wpa.c b/drivers/staging/vt6655/wpa.c
index 75ae83814d8..da5c814e200 100644
--- a/drivers/staging/vt6655/wpa.c
+++ b/drivers/staging/vt6655/wpa.c
@@ -70,7 +70,7 @@ const BYTE abyOUI05[4] = { 0x00, 0x50, 0xf2, 0x05 };
 
 void
 WPA_ClearRSN (
-    IN PKnownBSS        pBSSList
+    PKnownBSS        pBSSList
     )
 {
     int ii;
@@ -106,8 +106,8 @@ WPA_ClearRSN (
 -*/
 void
 WPA_ParseRSN (
-    IN PKnownBSS        pBSSList,
-    IN PWLAN_IE_RSN_EXT pRSN
+    PKnownBSS        pBSSList,
+    PWLAN_IE_RSN_EXT pRSN
     )
 {
     PWLAN_IE_RSN_AUTH  pIE_RSN_Auth = NULL;
@@ -241,7 +241,7 @@ BOOL
 WPA_SearchRSN (
     BYTE                byCmd,
     BYTE                byEncrypt,
-    IN PKnownBSS        pBSSList
+    PKnownBSS        pBSSList
     )
 {
     int ii;
@@ -299,7 +299,7 @@ WPA_SearchRSN (
 -*/
 BOOL
 WPAb_Is_RSN (
-    IN PWLAN_IE_RSN_EXT pRSN
+    PWLAN_IE_RSN_EXT pRSN
     )
 {
     if (pRSN == NULL)
diff --git a/drivers/staging/vt6655/wpa.h b/drivers/staging/vt6655/wpa.h
index d77c7bb2274..80d990b09d2 100644
--- a/drivers/staging/vt6655/wpa.h
+++ b/drivers/staging/vt6655/wpa.h
@@ -60,25 +60,25 @@
 
 void
 WPA_ClearRSN(
-    IN PKnownBSS        pBSSList
+    PKnownBSS        pBSSList
     );
 
 void
 WPA_ParseRSN(
-    IN PKnownBSS        pBSSList,
-    IN PWLAN_IE_RSN_EXT pRSN
+    PKnownBSS        pBSSList,
+    PWLAN_IE_RSN_EXT pRSN
     );
 
 BOOL
 WPA_SearchRSN(
     BYTE                byCmd,
     BYTE                byEncrypt,
-    IN PKnownBSS        pBSSList
+    PKnownBSS        pBSSList
     );
 
 BOOL
 WPAb_Is_RSN(
-    IN PWLAN_IE_RSN_EXT pRSN
+    PWLAN_IE_RSN_EXT pRSN
     );
 
 #endif // __WPA_H__
diff --git a/drivers/staging/vt6655/wpa2.c b/drivers/staging/vt6655/wpa2.c
index 3f377b6a2ba..102a18a835b 100644
--- a/drivers/staging/vt6655/wpa2.c
+++ b/drivers/staging/vt6655/wpa2.c
@@ -74,7 +74,7 @@ const BYTE abyOUIPSK[4]     = { 0x00, 0x0F, 0xAC, 0x02 };
 -*/
 void
 WPA2_ClearRSN (
-    IN PKnownBSS        pBSSNode
+    PKnownBSS        pBSSNode
     )
 {
     int ii;
@@ -109,8 +109,8 @@ WPA2_ClearRSN (
 -*/
 void
 WPA2vParseRSN (
-    IN PKnownBSS        pBSSNode,
-    IN PWLAN_IE_RSN     pRSN
+    PKnownBSS        pBSSNode,
+    PWLAN_IE_RSN     pRSN
     )
 {
     int                 i, j;
@@ -263,7 +263,7 @@ WPA2vParseRSN (
 -*/
 UINT
 WPA2uSetIEs(
-    IN void *pMgmtHandle,
+    void *pMgmtHandle,
     OUT PWLAN_IE_RSN pRSNIEs
     )
 {
diff --git a/drivers/staging/vt6655/wpa2.h b/drivers/staging/vt6655/wpa2.h
index 7becc749c9f..1f2a02d2a57 100644
--- a/drivers/staging/vt6655/wpa2.h
+++ b/drivers/staging/vt6655/wpa2.h
@@ -60,18 +60,18 @@ typedef struct tagSPMKIDCache {
 
 void
 WPA2_ClearRSN (
-    IN PKnownBSS        pBSSNode
+    PKnownBSS        pBSSNode
     );
 
 void
 WPA2vParseRSN (
-    IN PKnownBSS        pBSSNode,
-    IN PWLAN_IE_RSN     pRSN
+    PKnownBSS        pBSSNode,
+    PWLAN_IE_RSN     pRSN
     );
 
 UINT
 WPA2uSetIEs(
-    IN void *pMgmtHandle,
+    void *pMgmtHandle,
     OUT PWLAN_IE_RSN pRSNIEs
     );
 

From 3cdec5540d622e6b910a1fe91f544630a8ba8099 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Wed, 12 May 2010 20:54:40 -0700
Subject: [PATCH 1448/3638] Staging: vt6655: remove OUT definition
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Remove empty OUT definition used to specify output parameters.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/baseband.c |  6 ++---
 drivers/staging/vt6655/baseband.h |  6 ++---
 drivers/staging/vt6655/bssdb.c    |  4 ++--
 drivers/staging/vt6655/bssdb.h    |  4 ++--
 drivers/staging/vt6655/card.c     | 20 ++++++++--------
 drivers/staging/vt6655/card.h     | 12 +++++-----
 drivers/staging/vt6655/datarate.c | 10 ++++----
 drivers/staging/vt6655/datarate.h | 10 ++++----
 drivers/staging/vt6655/dpc.c      | 40 +++++++++++++++----------------
 drivers/staging/vt6655/key.c      |  6 ++---
 drivers/staging/vt6655/key.h      |  6 ++---
 drivers/staging/vt6655/rxtx.c     | 12 +++++-----
 drivers/staging/vt6655/rxtx.h     | 10 ++++----
 drivers/staging/vt6655/vntwifi.c  | 18 +++++++-------
 drivers/staging/vt6655/vntwifi.h  | 18 +++++++-------
 drivers/staging/vt6655/wmgr.c     | 26 ++++++++++----------
 drivers/staging/vt6655/wmgr.h     | 16 ++++++-------
 drivers/staging/vt6655/wpa2.c     |  2 +-
 drivers/staging/vt6655/wpa2.h     |  2 +-
 19 files changed, 114 insertions(+), 114 deletions(-)

diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c
index 2931a0ffcf3..5414c6c6c05 100644
--- a/drivers/staging/vt6655/baseband.c
+++ b/drivers/staging/vt6655/baseband.c
@@ -1849,9 +1849,9 @@ BBvCaculateParameter (
     UINT cbFrameLength,
     WORD wRate,
     BYTE byPacketType,
-    OUT PWORD pwPhyLen,
-    OUT PBYTE pbyPhySrv,
-    OUT PBYTE pbyPhySgn
+    PWORD pwPhyLen,
+    PBYTE pbyPhySrv,
+    PBYTE pbyPhySgn
     )
 {
     UINT cbBitCount;
diff --git a/drivers/staging/vt6655/baseband.h b/drivers/staging/vt6655/baseband.h
index 3eea7aa2fba..b236ff4139a 100644
--- a/drivers/staging/vt6655/baseband.h
+++ b/drivers/staging/vt6655/baseband.h
@@ -132,9 +132,9 @@ BBvCaculateParameter (
     UINT cbFrameLength,
     WORD wRate,
     BYTE byPacketType,
-    OUT PWORD pwPhyLen,
-    OUT PBYTE pbyPhySrv,
-    OUT PBYTE pbyPhySgn
+    PWORD pwPhyLen,
+    PBYTE pbyPhySrv,
+    PBYTE pbyPhySgn
     );
 
 BOOL BBbReadEmbeded(DWORD_PTR dwIoBase, BYTE byBBAddr, PBYTE pbyData);
diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c
index e64238e5e8c..6312a55dab1 100644
--- a/drivers/staging/vt6655/bssdb.c
+++ b/drivers/staging/vt6655/bssdb.c
@@ -766,7 +766,7 @@ BOOL
 BSSDBbIsSTAInNodeDB(
     void *pMgmtObject,
     PBYTE abyDstAddr,
-    OUT PUINT puNodeIndex
+    PUINT puNodeIndex
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
@@ -800,7 +800,7 @@ BSSDBbIsSTAInNodeDB(
 void
 BSSvCreateOneNode(
     void *hDeviceContext,
-    OUT PUINT puNodeIndex
+    PUINT puNodeIndex
     )
 {
 
diff --git a/drivers/staging/vt6655/bssdb.h b/drivers/staging/vt6655/bssdb.h
index ec1e32bf35b..e09ef876297 100644
--- a/drivers/staging/vt6655/bssdb.h
+++ b/drivers/staging/vt6655/bssdb.h
@@ -312,13 +312,13 @@ BOOL
 BSSDBbIsSTAInNodeDB(
     void *hDeviceContext,
     PBYTE abyDstAddr,
-    OUT PUINT puNodeIndex
+    PUINT puNodeIndex
     );
 
 void
 BSSvCreateOneNode(
     void *hDeviceContext,
-    OUT PUINT puNodeIndex
+    PUINT puNodeIndex
     );
 
 void
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index bc61ca912cb..b071236607f 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -427,8 +427,8 @@ void
 s_vCaculateOFDMRParameter(
     BYTE byRate,
     CARD_PHY_TYPE ePHYType,
-    OUT PBYTE pbyTxRate,
-    OUT PBYTE pbyRsvTime
+    PBYTE pbyTxRate,
+    PBYTE pbyRsvTime
     );
 
 
@@ -500,8 +500,8 @@ void
 s_vCaculateOFDMRParameter (
     BYTE byRate,
     CARD_PHY_TYPE ePHYType,
-    OUT PBYTE pbyTxRate,
-    OUT PBYTE pbyRsvTime
+    PBYTE pbyTxRate,
+    PBYTE pbyRsvTime
     )
 {
     switch (byRate) {
@@ -2130,8 +2130,8 @@ CARDvSetPowerConstraint (
 void
 CARDvGetPowerCapability (
     void *pDeviceHandler,
-    OUT PBYTE           pbyMinPower,
-    OUT PBYTE           pbyMaxPower
+    PBYTE           pbyMinPower,
+    PBYTE           pbyMaxPower
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -2166,7 +2166,7 @@ CARDvGetPowerCapability (
 BYTE
 CARDbySetSupportChannels (
     void *pDeviceHandler,
-    OUT PBYTE        pbyIEs
+    PBYTE        pbyIEs
     )
 {
     PSDevice            pDevice = (PSDevice) pDeviceHandler;
@@ -2268,7 +2268,7 @@ CARDbyGetTransmitPower (
 BOOL
 CARDbChannelGetList (
      UINT       uCountryCodeIdx,
-    OUT PBYTE      pbyChannelTable
+    PBYTE      pbyChannelTable
     )
 {
     if (uCountryCodeIdx >= CCODE_MAX) {
@@ -2309,8 +2309,8 @@ BOOL
 CARDbGetChannelMapInfo(
     void *pDeviceHandler,
     UINT         uChannelIndex,
-    OUT PBYTE       pbyChannelNumber,
-    OUT PBYTE       pbyMap
+    PBYTE       pbyChannelNumber,
+    PBYTE       pbyMap
     )
 {
 //    PSDevice            pDevice = (PSDevice) pDeviceHandler;
diff --git a/drivers/staging/vt6655/card.h b/drivers/staging/vt6655/card.h
index f52a8e0d48c..76313462cf7 100644
--- a/drivers/staging/vt6655/card.h
+++ b/drivers/staging/vt6655/card.h
@@ -195,14 +195,14 @@ CARDvSetPowerConstraint (
 void
 CARDvGetPowerCapability (
     void *pDeviceHandler,
-    OUT PBYTE           pbyMinPower,
-    OUT PBYTE           pbyMaxPower
+    PBYTE           pbyMinPower,
+    PBYTE           pbyMaxPower
     );
 
 BYTE
 CARDbySetSupportChannels (
     void *pDeviceHandler,
-    OUT PBYTE        pbyIEs
+    PBYTE        pbyIEs
     );
 
 I8
@@ -213,7 +213,7 @@ CARDbyGetTransmitPower (
 BOOL
 CARDbChannelGetList (
      UINT       uCountryCodeIdx,
-    OUT PBYTE      pbyChannelTable
+    PBYTE      pbyChannelTable
     );
 
 void
@@ -226,8 +226,8 @@ BOOL
 CARDbGetChannelMapInfo(
     void *pDeviceHandler,
     UINT         uChannelIndex,
-    OUT PBYTE       pbyChannelNumber,
-    OUT PBYTE       pbyMap
+    PBYTE       pbyChannelNumber,
+    PBYTE       pbyMap
     );
 
 void
diff --git a/drivers/staging/vt6655/datarate.c b/drivers/staging/vt6655/datarate.c
index 42b008a428d..38b09a7fb53 100644
--- a/drivers/staging/vt6655/datarate.c
+++ b/drivers/staging/vt6655/datarate.c
@@ -200,11 +200,11 @@ RATEvParseMaxRate (
     PWLAN_IE_SUPP_RATES pItemRates,
     PWLAN_IE_SUPP_RATES pItemExtRates,
     BOOL bUpdateBasicRate,
-    OUT PWORD pwMaxBasicRate,
-    OUT PWORD pwMaxSuppRate,
-    OUT PWORD pwSuppRate,
-    OUT PBYTE pbyTopCCKRate,
-    OUT PBYTE pbyTopOFDMRate
+    PWORD pwMaxBasicRate,
+    PWORD pwMaxSuppRate,
+    PWORD pwSuppRate,
+    PBYTE pbyTopCCKRate,
+    PBYTE pbyTopOFDMRate
     )
 {
 PSDevice  pDevice = (PSDevice) pDeviceHandler;
diff --git a/drivers/staging/vt6655/datarate.h b/drivers/staging/vt6655/datarate.h
index abf7a3884fc..b8ca792e9c6 100644
--- a/drivers/staging/vt6655/datarate.h
+++ b/drivers/staging/vt6655/datarate.h
@@ -60,11 +60,11 @@ RATEvParseMaxRate(
     PWLAN_IE_SUPP_RATES pItemRates,
     PWLAN_IE_SUPP_RATES pItemExtRates,
     BOOL bUpdateBasicRate,
-    OUT PWORD pwMaxBasicRate,
-    OUT PWORD pwMaxSuppRate,
-    OUT PWORD pwSuppRate,
-    OUT PBYTE pbyTopCCKRate,
-    OUT PBYTE pbyTopOFDMRate
+    PWORD pwMaxBasicRate,
+    PWORD pwMaxSuppRate,
+    PWORD pwSuppRate,
+    PBYTE pbyTopCCKRate,
+    PBYTE pbyTopOFDMRate
     );
 
 void
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index 69368392466..715be63f21a 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -83,8 +83,8 @@ static
 void
 s_vGetDASA(
     PBYTE pbyRxBufferAddr,
-    OUT PUINT pcbHeaderSize,
-    OUT PSEthernetHeader psEthHeader
+    PUINT pcbHeaderSize,
+    PSEthernetHeader psEthHeader
     );
 
 static
@@ -95,7 +95,7 @@ s_vProcessRxMACHeader (
     UINT cbPacketSize,
     BOOL bIsWEP,
     BOOL bExtIV,
-    OUT PUINT pcbHeadSize
+    PUINT pcbHeadSize
     );
 
 static BOOL s_bAPModeRxCtl(
@@ -121,11 +121,11 @@ static BOOL s_bHandleRxEncryption(
     PBYTE        pbyFrame,
     UINT         FrameSize,
     PBYTE        pbyRsr,
-    OUT PBYTE       pbyNewRsr,
-    OUT PSKeyItem   *pKeyOut,
+    PBYTE       pbyNewRsr,
+    PSKeyItem   *pKeyOut,
     int *       pbExtIV,
-    OUT PWORD       pwRxTSC15_0,
-    OUT PDWORD      pdwRxTSC47_16
+    PWORD       pwRxTSC15_0,
+    PDWORD      pdwRxTSC47_16
     );
 
 static BOOL s_bHostWepRxEncryption(
@@ -136,10 +136,10 @@ static BOOL s_bHostWepRxEncryption(
     PBYTE        pbyRsr,
     BOOL         bOnFly,
     PSKeyItem    pKey,
-    OUT PBYTE       pbyNewRsr,
+    PBYTE       pbyNewRsr,
     int *       pbExtIV,
-    OUT PWORD       pwRxTSC15_0,
-    OUT PDWORD      pdwRxTSC47_16
+    PWORD       pwRxTSC15_0,
+    PDWORD      pdwRxTSC47_16
 
     );
 
@@ -170,7 +170,7 @@ s_vProcessRxMACHeader (
     UINT cbPacketSize,
     BOOL bIsWEP,
     BOOL bExtIV,
-    OUT PUINT pcbHeadSize
+    PUINT pcbHeadSize
     )
 {
     PBYTE           pbyRxBuffer;
@@ -265,8 +265,8 @@ static
 void
 s_vGetDASA (
     PBYTE pbyRxBufferAddr,
-    OUT PUINT pcbHeaderSize,
-    OUT PSEthernetHeader psEthHeader
+    PUINT pcbHeaderSize,
+    PSEthernetHeader psEthHeader
     )
 {
     UINT            cbHeaderSize = 0;
@@ -1167,11 +1167,11 @@ static BOOL s_bHandleRxEncryption (
     PBYTE        pbyFrame,
     UINT         FrameSize,
     PBYTE        pbyRsr,
-    OUT PBYTE       pbyNewRsr,
-    OUT PSKeyItem   *pKeyOut,
+    PBYTE       pbyNewRsr,
+    PSKeyItem   *pKeyOut,
     int *       pbExtIV,
-    OUT PWORD       pwRxTSC15_0,
-    OUT PDWORD      pdwRxTSC47_16
+    PWORD       pwRxTSC15_0,
+    PDWORD      pdwRxTSC47_16
     )
 {
     UINT            PayloadLen = FrameSize;
@@ -1315,10 +1315,10 @@ static BOOL s_bHostWepRxEncryption (
     PBYTE        pbyRsr,
     BOOL         bOnFly,
     PSKeyItem    pKey,
-    OUT PBYTE       pbyNewRsr,
+    PBYTE       pbyNewRsr,
     int *       pbExtIV,
-    OUT PWORD       pwRxTSC15_0,
-    OUT PDWORD      pdwRxTSC47_16
+    PWORD       pwRxTSC15_0,
+    PDWORD      pdwRxTSC47_16
     )
 {
     UINT            PayloadLen = FrameSize;
diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c
index c702d509605..2065ee22068 100644
--- a/drivers/staging/vt6655/key.c
+++ b/drivers/staging/vt6655/key.c
@@ -135,7 +135,7 @@ BOOL KeybGetKey (
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyIndex,
-    OUT PSKeyItem       *pKey
+    PSKeyItem       *pKey
     )
 {
     int i;
@@ -521,7 +521,7 @@ BOOL KeybGetTransmitKey (
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyType,
-    OUT PSKeyItem       *pKey
+    PSKeyItem       *pKey
     )
 {
     int i, ii;
@@ -599,7 +599,7 @@ BOOL KeybGetTransmitKey (
  */
 BOOL KeybCheckPairewiseKey (
     PSKeyManagement pTable,
-    OUT PSKeyItem       *pKey
+    PSKeyItem       *pKey
     )
 {
     int i;
diff --git a/drivers/staging/vt6655/key.h b/drivers/staging/vt6655/key.h
index 88be5b4f392..db1cbf3c8e7 100644
--- a/drivers/staging/vt6655/key.h
+++ b/drivers/staging/vt6655/key.h
@@ -107,7 +107,7 @@ BOOL KeybGetKey(
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyIndex,
-    OUT PSKeyItem       *pKey
+    PSKeyItem       *pKey
     );
 
 BOOL KeybSetKey(
@@ -144,12 +144,12 @@ BOOL KeybGetTransmitKey(
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyType,
-    OUT PSKeyItem       *pKey
+    PSKeyItem       *pKey
     );
 
 BOOL KeybCheckPairewiseKey(
     PSKeyManagement pTable,
-    OUT PSKeyItem       *pKey
+    PSKeyItem       *pKey
     );
 
 BOOL KeybRemoveAllKey(
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 885741a774b..6cd10bdf280 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -123,7 +123,7 @@ s_vFillTxKey(
     PSKeyItem  pTransmitKey,
     PBYTE      pbyHdrBuf,
     WORD       wPayloadLen,
-    OUT PBYTE      pMICHDR
+    PBYTE      pMICHDR
     );
 
 
@@ -184,7 +184,7 @@ s_cbFillTxBufHead (
     BOOL             bNeedEncrypt,
     PSKeyItem        pTransmitKey,
     UINT             uNodeIndex,
-    OUT PUINT            puMACfragNum
+    PUINT            puMACfragNum
     );
 
 
@@ -218,7 +218,7 @@ s_vFillTxKey (
     PSKeyItem  pTransmitKey,
     PBYTE      pbyHdrBuf,
     WORD       wPayloadLen,
-    OUT PBYTE      pMICHDR
+    PBYTE      pMICHDR
     )
 {
     PDWORD          pdwIV = (PDWORD) pbyIVHead;
@@ -1329,7 +1329,7 @@ s_cbFillTxBufHead (
     BOOL             bNeedEncrypt,
     PSKeyItem        pTransmitKey,
     UINT             uNodeIndex,
-    OUT PUINT            puMACfragNum
+    PUINT            puMACfragNum
     )
 {
     UINT           cbMACHdLen;
@@ -2106,8 +2106,8 @@ vGenerateFIFOHeader (
     PBYTE            pPacket,
     PSKeyItem        pTransmitKey,
     UINT             uNodeIndex,
-    OUT PUINT            puMACfragNum,
-    OUT PUINT            pcbHeaderSize
+    PUINT            puMACfragNum,
+    PUINT            pcbHeaderSize
     )
 {
     UINT            wTxBufSize;       // FFinfo size
diff --git a/drivers/staging/vt6655/rxtx.h b/drivers/staging/vt6655/rxtx.h
index 75988c74a18..b008fc23adb 100644
--- a/drivers/staging/vt6655/rxtx.h
+++ b/drivers/staging/vt6655/rxtx.h
@@ -46,8 +46,8 @@ void vGenerateMACHeader(
     PBYTE pbySkbData,
     UINT cbPacketSize,
     BOOL bDMA0Used,
-    OUT PUINT pcbHeadSize,
-    OUT PUINT pcbAppendPayload
+    PUINT pcbHeadSize,
+    PUINT pcbAppendPayload
      );
 
 void vProcessRxMACHeader (
@@ -55,7 +55,7 @@ void vProcessRxMACHeader (
     DWORD dwRxBufferAddr,
     UINT cbPacketSize,
     BOOL bIsWEP,
-    OUT PUINT pcbHeadSize
+    PUINT pcbHeadSize
     );
 */
 
@@ -95,8 +95,8 @@ vGenerateFIFOHeader (
     PBYTE            pPacket,
     PSKeyItem        pTransmitKey,
     UINT             uNodeIndex,
-    OUT PUINT            puMACfragNum,
-    OUT PUINT            pcbHeaderSize
+    PUINT            puMACfragNum,
+    PUINT            pcbHeaderSize
     );
 
 
diff --git a/drivers/staging/vt6655/vntwifi.c b/drivers/staging/vt6655/vntwifi.c
index bd3b2afe2cf..b527a019188 100644
--- a/drivers/staging/vt6655/vntwifi.c
+++ b/drivers/staging/vt6655/vntwifi.c
@@ -382,7 +382,7 @@ VNTWIFIbConfigPhyMode (
 void
 VNTWIFIbGetConfigPhyMode (
     void *pMgmtHandle,
-    OUT void *pePhyType
+    void *pePhyType
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -427,8 +427,8 @@ VNTWIFIbGetConfigPhyMode (
 void
 VNTWIFIvQueryBSSList (
     void *pMgmtHandle,
-    OUT PUINT   puBSSCount,
-    OUT void **pvFirstBSS
+    PUINT   puBSSCount,
+    void **pvFirstBSS
     )
 {
     UINT            ii = 0;
@@ -458,7 +458,7 @@ void
 VNTWIFIvGetNextBSS (
     void *pMgmtHandle,
     void *pvCurrentBSS,
-    OUT void **pvNextBSS
+    void **pvNextBSS
     )
 {
     PKnownBSS       pBSS = (PKnownBSS) pvCurrentBSS;
@@ -533,10 +533,10 @@ void
 VNTWIFIvGetTxRate(
     void *pMgmtHandle,
     PBYTE    pbyDestAddress,
-    OUT PWORD   pwTxDataRate,
-    OUT PBYTE   pbyACKRate,
-    OUT PBYTE   pbyCCKBasicRate,
-    OUT PBYTE   pbyOFDMBasicRate
+    PWORD   pwTxDataRate,
+    PBYTE   pbyACKRate,
+    PBYTE   pbyCCKBasicRate,
+    PBYTE   pbyOFDMBasicRate
     )
 {
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
@@ -621,7 +621,7 @@ VNTWIFIbyGetKeyCypher(
 BOOL
 VNTWIFIbInit(
     void *pAdapterHandler,
-    OUT void **pMgmtHandler
+    void **pMgmtHandler
     )
 {
 
diff --git a/drivers/staging/vt6655/vntwifi.h b/drivers/staging/vt6655/vntwifi.h
index ca1ee0e4446..c91dfd79adc 100644
--- a/drivers/staging/vt6655/vntwifi.h
+++ b/drivers/staging/vt6655/vntwifi.h
@@ -204,14 +204,14 @@ VNTWIFIbConfigPhyMode(
 void
 VNTWIFIbGetConfigPhyMode(
     void *pMgmtHandle,
-    OUT void *pePhyType
+    void *pePhyType
     );
 
 void
 VNTWIFIvQueryBSSList(
     void *pMgmtHandle,
-    OUT PUINT   puBSSCount,
-    OUT void **pvFirstBSS
+    PUINT   puBSSCount,
+    void **pvFirstBSS
     );
 
 
@@ -221,7 +221,7 @@ void
 VNTWIFIvGetNextBSS (
     void *pMgmtHandle,
     void *pvCurrentBSS,
-    OUT void **pvNextBSS
+    void **pvNextBSS
     );
 
 
@@ -240,16 +240,16 @@ void
 VNTWIFIvGetTxRate(
     void *pMgmtHandle,
     PBYTE    pbyDestAddress,
-    OUT PWORD   pwTxDataRate,
-    OUT PBYTE   pbyACKRate,
-    OUT PBYTE   pbyCCKBasicRate,
-    OUT PBYTE   pbyOFDMBasicRate
+    PWORD   pwTxDataRate,
+    PBYTE   pbyACKRate,
+    PBYTE   pbyCCKBasicRate,
+    PBYTE   pbyOFDMBasicRate
     );
 /*
 BOOL
 VNTWIFIbInit(
     void *pAdapterHandler,
-    OUT void **pMgmtHandler
+    void **pMgmtHandler
     );
 */
 
diff --git a/drivers/staging/vt6655/wmgr.c b/drivers/staging/vt6655/wmgr.c
index 19a16cae175..60c00fc1f02 100644
--- a/drivers/staging/vt6655/wmgr.c
+++ b/drivers/staging/vt6655/wmgr.c
@@ -312,7 +312,7 @@ s_vMgrSynchBSS (
     PSDevice      pDevice,
     UINT          uBSSMode,
     PKnownBSS     pCurr,
-    OUT PCMD_STATUS  pStatus
+    PCMD_STATUS  pStatus
     );
 
 
@@ -320,8 +320,8 @@ static BOOL
 s_bCipherMatch (
     PKnownBSS                        pBSSNode,
     NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
-    OUT PBYTE                           pbyCCSPK,
-    OUT PBYTE                           pbyCCSGK
+    PBYTE                           pbyCCSPK,
+    PBYTE                           pbyCCSGK
     );
 
  static void  Encyption_Rebuild(
@@ -464,7 +464,7 @@ void
 vMgrAssocBeginSta(
     void *hDeviceContext,
     PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     )
 {
     PSDevice             pDevice = (PSDevice)hDeviceContext;
@@ -540,7 +540,7 @@ void
 vMgrReAssocBeginSta(
     void *hDeviceContext,
     PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     )
 {
     PSDevice             pDevice = (PSDevice)hDeviceContext;
@@ -621,7 +621,7 @@ vMgrDisassocBeginSta(
     PSMgmtObject pMgmt,
     PBYTE  abyDestAddress,
     WORD    wReason,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -1154,7 +1154,7 @@ void
 vMgrAuthenBeginSta(
     void *hDeviceContext,
     PSMgmtObject  pMgmt,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     )
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
@@ -1214,7 +1214,7 @@ vMgrDeAuthenBeginSta(
     PSMgmtObject  pMgmt,
     PBYTE  abyDestAddress,
     WORD    wReason,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -2387,7 +2387,7 @@ if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE)
 void
 vMgrCreateOwnIBSS(
     void *hDeviceContext,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     )
 {
     PSDevice            pDevice = (PSDevice)hDeviceContext;
@@ -2654,7 +2654,7 @@ vMgrCreateOwnIBSS(
 void
 vMgrJoinBSSBegin(
     void *hDeviceContext,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     )
 {
 
@@ -2925,7 +2925,7 @@ s_vMgrSynchBSS (
     PSDevice      pDevice,
     UINT          uBSSMode,
     PKnownBSS     pCurr,
-    OUT PCMD_STATUS  pStatus
+    PCMD_STATUS  pStatus
     )
 {
     CARD_PHY_TYPE   ePhyType = PHY_TYPE_11B;
@@ -4885,8 +4885,8 @@ static BOOL
 s_bCipherMatch (
     PKnownBSS                        pBSSNode,
     NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
-    OUT PBYTE                           pbyCCSPK,
-    OUT PBYTE                           pbyCCSGK
+    PBYTE                           pbyCCSPK,
+    PBYTE                           pbyCCSGK
     )
 {
     BYTE byMulticastCipher = KEY_CTL_INVALID;
diff --git a/drivers/staging/vt6655/wmgr.h b/drivers/staging/vt6655/wmgr.h
index a86406e63bc..9ae7e0d55bc 100644
--- a/drivers/staging/vt6655/wmgr.h
+++ b/drivers/staging/vt6655/wmgr.h
@@ -418,14 +418,14 @@ void
 vMgrAssocBeginSta(
     void *hDeviceContext,
     PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     );
 
 void
 vMgrReAssocBeginSta(
     void *hDeviceContext,
     PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     );
 
 void
@@ -434,26 +434,26 @@ vMgrDisassocBeginSta(
     PSMgmtObject pMgmt,
     PBYTE  abyDestAddress,
     WORD    wReason,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     );
 
 void
 vMgrAuthenBeginSta(
     void *hDeviceContext,
     PSMgmtObject pMgmt,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     );
 
 void
 vMgrCreateOwnIBSS(
     void *hDeviceContext,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     );
 
 void
 vMgrJoinBSSBegin(
     void *hDeviceContext,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     );
 
 void
@@ -467,7 +467,7 @@ vMgrRxManagePacket(
 void
 vMgrScanBegin(
     void *hDeviceContext,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     );
 */
 
@@ -477,7 +477,7 @@ vMgrDeAuthenBeginSta(
     PSMgmtObject  pMgmt,
     PBYTE   abyDestAddress,
     WORD    wReason,
-    OUT PCMD_STATUS pStatus
+    PCMD_STATUS pStatus
     );
 
 BOOL
diff --git a/drivers/staging/vt6655/wpa2.c b/drivers/staging/vt6655/wpa2.c
index 102a18a835b..ff2837938e9 100644
--- a/drivers/staging/vt6655/wpa2.c
+++ b/drivers/staging/vt6655/wpa2.c
@@ -264,7 +264,7 @@ WPA2vParseRSN (
 UINT
 WPA2uSetIEs(
     void *pMgmtHandle,
-    OUT PWLAN_IE_RSN pRSNIEs
+    PWLAN_IE_RSN pRSNIEs
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtHandle;
diff --git a/drivers/staging/vt6655/wpa2.h b/drivers/staging/vt6655/wpa2.h
index 1f2a02d2a57..7200db37f43 100644
--- a/drivers/staging/vt6655/wpa2.h
+++ b/drivers/staging/vt6655/wpa2.h
@@ -72,7 +72,7 @@ WPA2vParseRSN (
 UINT
 WPA2uSetIEs(
     void *pMgmtHandle,
-    OUT PWLAN_IE_RSN pRSNIEs
+    PWLAN_IE_RSN pRSNIEs
     );
 
 #endif // __WPA2_H__

From 97a0638218fc504d645c45ff03256dc4520efa72 Mon Sep 17 00:00:00 2001
From: Nitin Gupta <ngupta@vflare.org>
Date: Thu, 13 May 2010 14:24:21 +0530
Subject: [PATCH 1449/3638] Staging: ramzswap: Remove backing swap support

Currently, each ramzswap device can be assigned
a separate 'backing swap' file/partition. The ramzswap
driver forwards swap I/O requests to this backing swap
whenever an incompressible page is found.

This feature adds nearly 700 lines of code and it
also duplicates much of the swapon() functionality
(for example, finding swap extents and so on). Removing
this code makes the driver much simpler and should
help its transition from staging to stable drivers
area (drivers/block/).

Similar functionality may be implemented if we can
implement migrating pages across swap devices but the
details have not yet been worked out.

Support for _partitions_ as backing swap could be
retained as it requires a few lines of code only.
This part can be re-introduced later if above swap
migration method turns out to be infeasible.

More cleanups and code comments will be added soon.

Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ramzswap/ramzswap_drv.c   | 645 +---------------------
 drivers/staging/ramzswap/ramzswap_drv.h   |  51 +-
 drivers/staging/ramzswap/ramzswap_ioctl.h |  14 +-
 3 files changed, 25 insertions(+), 685 deletions(-)

diff --git a/drivers/staging/ramzswap/ramzswap_drv.c b/drivers/staging/ramzswap/ramzswap_drv.c
index ee5eb12b928..167f8d17a80 100644
--- a/drivers/staging/ramzswap/ramzswap_drv.c
+++ b/drivers/staging/ramzswap/ramzswap_drv.c
@@ -36,13 +36,6 @@
 static int ramzswap_major;
 static struct ramzswap *devices;
 
-/*
- * Pages that compress to larger than this size are
- * forwarded to backing swap, if present or stored
- * uncompressed in memory otherwise.
- */
-static unsigned int max_zpage_size;
-
 /* Module params (documentation at end) */
 static unsigned int num_devices;
 
@@ -79,52 +72,6 @@ static int page_zero_filled(void *ptr)
 	return 1;
 }
 
-/*
- * memlimit cannot be greater than backing disk size.
- */
-static void ramzswap_set_memlimit(struct ramzswap *rzs, size_t totalram_bytes)
-{
-	int memlimit_valid = 1;
-
-	if (!rzs->memlimit) {
-		pr_info("Memory limit not set.\n");
-		memlimit_valid = 0;
-	}
-
-	if (rzs->memlimit > rzs->disksize) {
-		pr_info("Memory limit cannot be greater than "
-			"disksize: limit=%zu, disksize=%zu\n",
-			rzs->memlimit, rzs->disksize);
-		memlimit_valid = 0;
-	}
-
-	if (!memlimit_valid) {
-		size_t mempart, disksize;
-		pr_info("Using default: smaller of (%u%% of RAM) and "
-			"(backing disk size).\n",
-			default_memlimit_perc_ram);
-		mempart = default_memlimit_perc_ram * (totalram_bytes / 100);
-		disksize = rzs->disksize;
-		rzs->memlimit = mempart > disksize ? disksize : mempart;
-	}
-
-	if (rzs->memlimit > totalram_bytes / 2) {
-		pr_info(
-		"Its not advisable setting limit more than half of "
-		"size of memory since we expect a 2:1 compression ratio. "
-		"Limit represents amount of *compressed* data we can keep "
-		"in memory!\n"
-		"\tMemory Size: %zu kB\n"
-		"\tLimit you selected: %zu kB\n"
-		"Continuing anyway ...\n",
-		totalram_bytes >> 10, rzs->memlimit >> 10
-		);
-	}
-
-	rzs->memlimit &= PAGE_MASK;
-	BUG_ON(!rzs->memlimit);
-}
-
 static void ramzswap_set_disksize(struct ramzswap *rzs, size_t totalram_bytes)
 {
 	if (!rzs->disksize) {
@@ -156,80 +103,22 @@ static void ramzswap_set_disksize(struct ramzswap *rzs, size_t totalram_bytes)
 
 /*
  * Swap header (1st page of swap device) contains information
- * to indentify it as a swap partition. Prepare such a header
- * for ramzswap device (ramzswap0) so that swapon can identify
- * it as swap partition. In case backing swap device is provided,
- * copy its swap header.
+ * about a swap file/partition. Prepare such a header for the
+ * given ramzswap device so that swapon can identify it as a
+ * swap partition.
  */
-static int setup_swap_header(struct ramzswap *rzs, union swap_header *s)
+static void setup_swap_header(struct ramzswap *rzs, union swap_header *s)
 {
-	int ret = 0;
-	struct page *page;
-	struct address_space *mapping;
-	union swap_header *backing_swap_header;
-
-	/*
-	 * There is no backing swap device. Create a swap header
-	 * that is acceptable by swapon.
-	 */
-	if (!rzs->backing_swap) {
-		s->info.version = 1;
-		s->info.last_page = (rzs->disksize >> PAGE_SHIFT) - 1;
-		s->info.nr_badpages = 0;
-		memcpy(s->magic.magic, "SWAPSPACE2", 10);
-		return 0;
-	}
-
-	/*
-	 * We have a backing swap device. Copy its swap header
-	 * to ramzswap device header. If this header contains
-	 * invalid information (backing device not a swap
-	 * partition, etc.), swapon will fail for ramzswap
-	 * which is correct behavior - we don't want to swap
-	 * over filesystem partition!
-	 */
-
-	/* Read the backing swap header (code from sys_swapon) */
-	mapping = rzs->swap_file->f_mapping;
-	if (!mapping->a_ops->readpage) {
-		ret = -EINVAL;
-		goto out;
-	}
-
-	page = read_mapping_page(mapping, 0, rzs->swap_file);
-	if (IS_ERR(page)) {
-		ret = PTR_ERR(page);
-		goto out;
-	}
-
-	backing_swap_header = kmap(page);
-	memcpy(s, backing_swap_header, sizeof(*s));
-	if (s->info.nr_badpages) {
-		pr_info("Cannot use backing swap with bad pages (%u)\n",
-			s->info.nr_badpages);
-		ret = -EINVAL;
-	}
-	/*
-	 * ramzswap disksize equals number of usable pages in backing
-	 * swap. Set last_page in swap header to match this disksize
-	 * ('last_page' means 0-based index of last usable swap page).
-	 */
+	s->info.version = 1;
 	s->info.last_page = (rzs->disksize >> PAGE_SHIFT) - 1;
-	kunmap(page);
-
-out:
-	return ret;
+	s->info.nr_badpages = 0;
+	memcpy(s->magic.magic, "SWAPSPACE2", 10);
 }
 
 static void ramzswap_ioctl_get_stats(struct ramzswap *rzs,
 			struct ramzswap_ioctl_stats *s)
 {
-	strncpy(s->backing_swap_name, rzs->backing_swap_name,
-		MAX_SWAP_NAME_LEN - 1);
-	s->backing_swap_name[MAX_SWAP_NAME_LEN - 1] = '\0';
-
 	s->disksize = rzs->disksize;
-	s->memlimit = rzs->memlimit;
 
 #if defined(CONFIG_RAMZSWAP_STATS)
 	{
@@ -265,333 +154,10 @@ static void ramzswap_ioctl_get_stats(struct ramzswap *rzs,
 	s->orig_data_size = rs->pages_stored << PAGE_SHIFT;
 	s->compr_data_size = rs->compr_size;
 	s->mem_used_total = mem_used;
-
-	s->bdev_num_reads = rzs_stat64_read(rzs, &rs->bdev_num_reads);
-	s->bdev_num_writes = rzs_stat64_read(rzs, &rs->bdev_num_writes);
 	}
 #endif /* CONFIG_RAMZSWAP_STATS */
 }
 
-static int add_backing_swap_extent(struct ramzswap *rzs,
-				pgoff_t phy_pagenum,
-				pgoff_t num_pages)
-{
-	unsigned int idx;
-	struct list_head *head;
-	struct page *curr_page, *new_page;
-	unsigned int extents_per_page = PAGE_SIZE /
-				sizeof(struct ramzswap_backing_extent);
-
-	idx = rzs->num_extents % extents_per_page;
-	if (!idx) {
-		new_page = alloc_page(__GFP_ZERO);
-		if (!new_page)
-			return -ENOMEM;
-
-		if (rzs->num_extents) {
-			curr_page = virt_to_page(rzs->curr_extent);
-			head = &curr_page->lru;
-		} else {
-			head = &rzs->backing_swap_extent_list;
-		}
-
-		list_add(&new_page->lru, head);
-		rzs->curr_extent = page_address(new_page);
-	}
-
-	rzs->curr_extent->phy_pagenum = phy_pagenum;
-	rzs->curr_extent->num_pages = num_pages;
-
-	pr_debug("add_extent: idx=%u, phy_pgnum=%lu, num_pgs=%lu, "
-		"pg_last=%lu, curr_ext=%p\n", idx, phy_pagenum, num_pages,
-		phy_pagenum + num_pages - 1, rzs->curr_extent);
-
-	if (idx != extents_per_page - 1)
-		rzs->curr_extent++;
-
-	return 0;
-}
-
-static int setup_backing_swap_extents(struct ramzswap *rzs,
-				struct inode *inode, unsigned long *num_pages)
-{
-	int ret = 0;
-	unsigned blkbits;
-	unsigned blocks_per_page;
-	pgoff_t contig_pages = 0, total_pages = 0;
-	pgoff_t pagenum = 0, prev_pagenum = 0;
-	sector_t probe_block = 0;
-	sector_t last_block;
-
-	blkbits = inode->i_blkbits;
-	blocks_per_page = PAGE_SIZE >> blkbits;
-
-	last_block = i_size_read(inode) >> blkbits;
-	while (probe_block + blocks_per_page <= last_block) {
-		unsigned block_in_page;
-		sector_t first_block;
-
-		first_block = bmap(inode, probe_block);
-		if (first_block == 0)
-			goto bad_bmap;
-
-		/* It must be PAGE_SIZE aligned on-disk */
-		if (first_block & (blocks_per_page - 1)) {
-			probe_block++;
-			goto probe_next;
-		}
-
-		/* All blocks within this page must be contiguous on disk */
-		for (block_in_page = 1; block_in_page < blocks_per_page;
-					block_in_page++) {
-			sector_t block;
-
-			block = bmap(inode, probe_block + block_in_page);
-			if (block == 0)
-				goto bad_bmap;
-			if (block != first_block + block_in_page) {
-				/* Discontiguity */
-				probe_block++;
-				goto probe_next;
-			}
-		}
-
-		/*
-		 * We found a PAGE_SIZE length, PAGE_SIZE aligned
-		 * run of blocks.
-		 */
-		pagenum = first_block >> (PAGE_SHIFT - blkbits);
-
-		if (total_pages && (pagenum != prev_pagenum + 1)) {
-			ret = add_backing_swap_extent(rzs, prev_pagenum -
-					(contig_pages - 1), contig_pages);
-			if (ret < 0)
-				goto out;
-			rzs->num_extents++;
-			contig_pages = 0;
-		}
-		total_pages++;
-		contig_pages++;
-		prev_pagenum = pagenum;
-		probe_block += blocks_per_page;
-
-probe_next:
-		continue;
-	}
-
-	if (contig_pages) {
-		pr_debug("adding last extent: pagenum=%lu, "
-			"contig_pages=%lu\n", pagenum, contig_pages);
-		ret = add_backing_swap_extent(rzs,
-			prev_pagenum - (contig_pages - 1), contig_pages);
-		if (ret < 0)
-			goto out;
-		rzs->num_extents++;
-	}
-	if (!rzs->num_extents) {
-		pr_err("No swap extents found!\n");
-		ret = -EINVAL;
-	}
-
-	if (!ret) {
-		*num_pages = total_pages;
-		pr_info("Found %lu extents containing %luk\n",
-			rzs->num_extents, *num_pages << (PAGE_SHIFT - 10));
-	}
-	goto out;
-
-bad_bmap:
-	pr_err("Backing swapfile has holes\n");
-	ret = -EINVAL;
-out:
-	while (ret && !list_empty(&rzs->backing_swap_extent_list)) {
-		struct page *page;
-		struct list_head *entry = rzs->backing_swap_extent_list.next;
-		page = list_entry(entry, struct page, lru);
-		list_del(entry);
-		__free_page(page);
-	}
-	return ret;
-}
-
-static void map_backing_swap_extents(struct ramzswap *rzs)
-{
-	struct ramzswap_backing_extent *se;
-	struct page *table_page, *se_page;
-	unsigned long num_pages, num_table_pages, entry;
-	unsigned long se_idx, span;
-	unsigned entries_per_page = PAGE_SIZE / sizeof(*rzs->table);
-	unsigned extents_per_page = PAGE_SIZE / sizeof(*se);
-
-	/* True for block device */
-	if (!rzs->num_extents)
-		return;
-
-	se_page = list_entry(rzs->backing_swap_extent_list.next,
-					struct page, lru);
-	se = page_address(se_page);
-	span = se->num_pages;
-	num_pages = rzs->disksize >> PAGE_SHIFT;
-	num_table_pages = DIV_ROUND_UP(num_pages * sizeof(*rzs->table),
-							PAGE_SIZE);
-
-	entry = 0;
-	se_idx = 0;
-	while (num_table_pages--) {
-		table_page = vmalloc_to_page(&rzs->table[entry]);
-		while (span <= entry) {
-			se_idx++;
-			if (se_idx == rzs->num_extents)
-				BUG();
-
-			if (!(se_idx % extents_per_page)) {
-				se_page = list_entry(se_page->lru.next,
-						struct page, lru);
-				se = page_address(se_page);
-			} else
-				se++;
-
-			span += se->num_pages;
-		}
-		table_page->mapping = (struct address_space *)se;
-		table_page->private = se->num_pages - (span - entry);
-		pr_debug("map_table: entry=%lu, span=%lu, map=%p, priv=%lu\n",
-			entry, span, table_page->mapping, table_page->private);
-		entry += entries_per_page;
-	}
-}
-
-/*
- * Check if value of backing_swap module param is sane.
- * Claim this device and set ramzswap size equal to
- * size of this block device.
- */
-static int setup_backing_swap(struct ramzswap *rzs)
-{
-	int ret = 0;
-	size_t disksize;
-	unsigned long num_pages = 0;
-	struct inode *inode;
-	struct file *swap_file;
-	struct address_space *mapping;
-	struct block_device *bdev = NULL;
-
-	if (!rzs->backing_swap_name[0]) {
-		pr_debug("backing_swap param not given\n");
-		goto out;
-	}
-
-	pr_info("Using backing swap device: %s\n", rzs->backing_swap_name);
-
-	swap_file = filp_open(rzs->backing_swap_name,
-				O_RDWR | O_LARGEFILE, 0);
-	if (IS_ERR(swap_file)) {
-		pr_err("Error opening backing device: %s\n",
-			rzs->backing_swap_name);
-		ret = -EINVAL;
-		goto out;
-	}
-
-	mapping = swap_file->f_mapping;
-	inode = mapping->host;
-
-	if (S_ISBLK(inode->i_mode)) {
-		bdev = I_BDEV(inode);
-		ret = bd_claim(bdev, setup_backing_swap);
-		if (ret < 0) {
-			bdev = NULL;
-			goto bad_param;
-		}
-		disksize = i_size_read(inode);
-		/*
-		 * Can happen if user gives an extended partition as
-		 * backing swap or simply a bad disk.
-		 */
-		if (!disksize) {
-			pr_err("Error reading backing swap size.\n");
-			goto bad_param;
-		}
-	} else if (S_ISREG(inode->i_mode)) {
-		bdev = inode->i_sb->s_bdev;
-		if (IS_SWAPFILE(inode)) {
-			ret = -EBUSY;
-			goto bad_param;
-		}
-		ret = setup_backing_swap_extents(rzs, inode, &num_pages);
-		if (ret < 0)
-			goto bad_param;
-		disksize = num_pages << PAGE_SHIFT;
-	} else {
-		goto bad_param;
-	}
-
-	rzs->swap_file = swap_file;
-	rzs->backing_swap = bdev;
-	rzs->disksize = disksize;
-
-	return 0;
-
-bad_param:
-	if (bdev)
-		bd_release(bdev);
-	filp_close(swap_file, NULL);
-
-out:
-	rzs->backing_swap = NULL;
-	return ret;
-}
-
-/*
- * Map logical page number 'pagenum' to physical page number
- * on backing swap device. For block device, this is a nop.
- */
-static u32 map_backing_swap_page(struct ramzswap *rzs, u32 pagenum)
-{
-	u32 skip_pages, entries_per_page;
-	size_t delta, se_offset, skipped;
-	struct page *table_page, *se_page;
-	struct ramzswap_backing_extent *se;
-
-	if (!rzs->num_extents)
-		return pagenum;
-
-	entries_per_page = PAGE_SIZE / sizeof(*rzs->table);
-
-	table_page = vmalloc_to_page(&rzs->table[pagenum]);
-	se = (struct ramzswap_backing_extent *)table_page->mapping;
-	se_page = virt_to_page(se);
-
-	skip_pages = pagenum - (pagenum / entries_per_page * entries_per_page);
-	se_offset = table_page->private + skip_pages;
-
-	if (se_offset < se->num_pages)
-		return se->phy_pagenum + se_offset;
-
-	skipped = se->num_pages - table_page->private;
-	do {
-		struct ramzswap_backing_extent *se_base;
-		u32 se_entries_per_page = PAGE_SIZE / sizeof(*se);
-
-		/* Get next swap extent */
-		se_base = (struct ramzswap_backing_extent *)
-						page_address(se_page);
-		if (se - se_base == se_entries_per_page - 1) {
-			se_page = list_entry(se_page->lru.next,
-						struct page, lru);
-			se = page_address(se_page);
-		} else {
-			se++;
-		}
-
-		skipped += se->num_pages;
-	} while (skipped < skip_pages);
-
-	delta = skipped - skip_pages;
-	se_offset = se->num_pages - delta;
-
-	return se->phy_pagenum + se_offset;
-}
-
 static void ramzswap_free_page(struct ramzswap *rzs, size_t index)
 {
 	u32 clen;
@@ -678,38 +244,12 @@ static int handle_uncompressed_page(struct ramzswap *rzs, struct bio *bio)
 
 /*
  * Called when request page is not present in ramzswap.
- * Its either in backing swap device (if present) or
- * this is an attempt to read before any previous write
+ * This is an attempt to read before any previous write
  * to this location - this happens due to readahead when
  * swap device is read from user-space (e.g. during swapon)
  */
 static int handle_ramzswap_fault(struct ramzswap *rzs, struct bio *bio)
 {
-	/*
-	 * Always forward such requests to backing swap
-	 * device (if present)
-	 */
-	if (rzs->backing_swap) {
-		u32 pagenum;
-		rzs_stat64_dec(rzs, &rzs->stats.num_reads);
-		rzs_stat64_inc(rzs, &rzs->stats.bdev_num_reads);
-		bio->bi_bdev = rzs->backing_swap;
-
-		/*
-		 * In case backing swap is a file, find the right offset within
-		 * the file corresponding to logical position 'index'. For block
-		 * device, this is a nop.
-		 */
-		pagenum = bio->bi_sector >> SECTORS_PER_PAGE_SHIFT;
-		bio->bi_sector = map_backing_swap_page(rzs, pagenum)
-					<< SECTORS_PER_PAGE_SHIFT;
-		return 1;
-	}
-
-	/*
-	 * Its unlikely event in case backing dev is
-	 * not present
-	 */
 	pr_debug("Read before write on swap device: "
 		"sector=%lu, size=%u, offset=%u\n",
 		(ulong)(bio->bi_sector), bio->bi_size,
@@ -781,7 +321,7 @@ out:
 
 static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 {
-	int ret, fwd_write_request = 0;
+	int ret;
 	u32 offset, index;
 	size_t clen;
 	struct zobj_header *zheader;
@@ -817,14 +357,6 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 		return 0;
 	}
 
-	if (rzs->backing_swap &&
-		(rzs->stats.compr_size > rzs->memlimit - PAGE_SIZE)) {
-		kunmap_atomic(user_mem, KM_USER0);
-		mutex_unlock(&rzs->lock);
-		fwd_write_request = 1;
-		goto out;
-	}
-
 	ret = lzo1x_1_compress(user_mem, PAGE_SIZE, src, &clen,
 				rzs->compress_workmem);
 
@@ -838,18 +370,11 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 	}
 
 	/*
-	 * Page is incompressible. Forward it to backing swap
-	 * if present. Otherwise, store it as-is (uncompressed)
+	 * Page is incompressible. Store it as-is (uncompressed)
 	 * since we do not want to return too many swap write
 	 * errors which has side effect of hanging the system.
 	 */
 	if (unlikely(clen > max_zpage_size)) {
-		if (rzs->backing_swap) {
-			mutex_unlock(&rzs->lock);
-			fwd_write_request = 1;
-			goto out;
-		}
-
 		clen = PAGE_SIZE;
 		page_store = alloc_page(GFP_NOIO | __GFP_HIGHMEM);
 		if (unlikely(!page_store)) {
@@ -875,8 +400,6 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 		pr_info("Error allocating memory for compressed "
 			"page: %u, size=%zu\n", index, clen);
 		rzs_stat64_inc(rzs, &rzs->stats.failed_writes);
-		if (rzs->backing_swap)
-			fwd_write_request = 1;
 		goto out;
 	}
 
@@ -914,31 +437,6 @@ memstore:
 	return 0;
 
 out:
-	if (fwd_write_request) {
-		rzs_stat64_inc(rzs, &rzs->stats.bdev_num_writes);
-		bio->bi_bdev = rzs->backing_swap;
-#if 0
-		/*
-		 * TODO: We currently have linear mapping of ramzswap and
-		 * backing swap sectors. This is not desired since we want
-		 * to optimize writes to backing swap to minimize disk seeks
-		 * or have effective wear leveling (for SSDs). Also, a
-		 * non-linear mapping is required to implement compressed
-		 * on-disk swapping.
-		 */
-		 bio->bi_sector = get_backing_swap_page()
-					<< SECTORS_PER_PAGE_SHIFT;
-#endif
-		/*
-		 * In case backing swap is a file, find the right offset within
-		 * the file corresponding to logical position 'index'. For block
-		 * device, this is a nop.
-		 */
-		bio->bi_sector = map_backing_swap_page(rzs, index)
-					<< SECTORS_PER_PAGE_SHIFT;
-		return 1;
-	}
-
 	bio_io_error(bio);
 	return 0;
 }
@@ -996,19 +494,11 @@ static int ramzswap_make_request(struct request_queue *queue, struct bio *bio)
 
 static void reset_device(struct ramzswap *rzs)
 {
-	int is_backing_blkdev = 0;
-	size_t index, num_pages;
-	unsigned entries_per_page;
-	unsigned long num_table_pages, entry = 0;
+	size_t index;
 
 	/* Do not accept any new I/O request */
 	rzs->init_done = 0;
 
-	if (rzs->backing_swap && !rzs->num_extents)
-		is_backing_blkdev = 1;
-
-	num_pages = rzs->disksize >> PAGE_SHIFT;
-
 	/* Free various per-device buffers */
 	kfree(rzs->compress_workmem);
 	free_pages((unsigned long)rzs->compress_buffer, 1);
@@ -1017,7 +507,7 @@ static void reset_device(struct ramzswap *rzs)
 	rzs->compress_buffer = NULL;
 
 	/* Free all pages that are still in this ramzswap device */
-	for (index = 0; index < num_pages; index++) {
+	for (index = 0; index < rzs->disksize >> PAGE_SHIFT; index++) {
 		struct page *page;
 		u16 offset;
 
@@ -1033,51 +523,16 @@ static void reset_device(struct ramzswap *rzs)
 			xv_free(rzs->mem_pool, page, offset);
 	}
 
-	entries_per_page = PAGE_SIZE / sizeof(*rzs->table);
-	num_table_pages = DIV_ROUND_UP(num_pages * sizeof(*rzs->table),
-					PAGE_SIZE);
-	/*
-	 * Set page->mapping to NULL for every table page.
-	 * Otherwise, we will hit bad_page() during free.
-	 */
-	while (rzs->num_extents && num_table_pages--) {
-		struct page *page;
-		page = vmalloc_to_page(&rzs->table[entry]);
-		page->mapping = NULL;
-		entry += entries_per_page;
-	}
 	vfree(rzs->table);
 	rzs->table = NULL;
 
 	xv_destroy_pool(rzs->mem_pool);
 	rzs->mem_pool = NULL;
 
-	/* Free all swap extent pages */
-	while (!list_empty(&rzs->backing_swap_extent_list)) {
-		struct page *page;
-		struct list_head *entry;
-		entry = rzs->backing_swap_extent_list.next;
-		page = list_entry(entry, struct page, lru);
-		list_del(entry);
-		__free_page(page);
-	}
-	INIT_LIST_HEAD(&rzs->backing_swap_extent_list);
-	rzs->num_extents = 0;
-
-	/* Close backing swap device, if present */
-	if (rzs->backing_swap) {
-		if (is_backing_blkdev)
-			bd_release(rzs->backing_swap);
-		filp_close(rzs->swap_file, NULL);
-		rzs->backing_swap = NULL;
-		memset(rzs->backing_swap_name, 0, MAX_SWAP_NAME_LEN);
-	}
-
 	/* Reset stats */
 	memset(&rzs->stats, 0, sizeof(rzs->stats));
 
 	rzs->disksize = 0;
-	rzs->memlimit = 0;
 }
 
 static int ramzswap_ioctl_init_device(struct ramzswap *rzs)
@@ -1092,14 +547,7 @@ static int ramzswap_ioctl_init_device(struct ramzswap *rzs)
 		return -EBUSY;
 	}
 
-	ret = setup_backing_swap(rzs);
-	if (ret)
-		goto fail;
-
-	if (rzs->backing_swap)
-		ramzswap_set_memlimit(rzs, totalram_pages << PAGE_SHIFT);
-	else
-		ramzswap_set_disksize(rzs, totalram_pages << PAGE_SHIFT);
+	ramzswap_set_disksize(rzs, totalram_pages << PAGE_SHIFT);
 
 	rzs->compress_workmem = kzalloc(LZO1X_MEM_COMPRESS, GFP_KERNEL);
 	if (!rzs->compress_workmem) {
@@ -1126,8 +574,6 @@ static int ramzswap_ioctl_init_device(struct ramzswap *rzs)
 	}
 	memset(rzs->table, 0, num_pages * sizeof(*rzs->table));
 
-	map_backing_swap_extents(rzs);
-
 	page = alloc_page(__GFP_ZERO);
 	if (!page) {
 		pr_err("Error allocating swap header page\n");
@@ -1138,23 +584,13 @@ static int ramzswap_ioctl_init_device(struct ramzswap *rzs)
 	rzs_set_flag(rzs, 0, RZS_UNCOMPRESSED);
 
 	swap_header = kmap(page);
-	ret = setup_swap_header(rzs, swap_header);
+	setup_swap_header(rzs, swap_header);
 	kunmap(page);
-	if (ret) {
-		pr_err("Error setting swap header\n");
-		goto fail;
-	}
 
 	set_capacity(rzs->disk, rzs->disksize >> SECTOR_SHIFT);
 
-	/*
-	 * We have ident mapping of sectors for ramzswap and
-	 * and the backing swap device. So, this queue flag
-	 * should be according to backing dev.
-	 */
-	if (!rzs->backing_swap ||
-			blk_queue_nonrot(rzs->backing_swap->bd_disk->queue))
-		queue_flag_set_unlocked(QUEUE_FLAG_NONROT, rzs->disk->queue);
+	/* ramzswap devices sort of resembles non-rotational disks */
+	queue_flag_set_unlocked(QUEUE_FLAG_NONROT, rzs->disk->queue);
 
 	rzs->mem_pool = xv_create_pool();
 	if (!rzs->mem_pool) {
@@ -1163,17 +599,6 @@ static int ramzswap_ioctl_init_device(struct ramzswap *rzs)
 		goto fail;
 	}
 
-	/*
-	 * Pages that compress to size greater than this are forwarded
-	 * to physical swap disk (if backing dev is provided)
-	 * TODO: make this configurable
-	 */
-	if (rzs->backing_swap)
-		max_zpage_size = max_zpage_size_bdev;
-	else
-		max_zpage_size = max_zpage_size_nobdev;
-	pr_debug("Max compressed page size: %u bytes\n", max_zpage_size);
-
 	rzs->init_done = 1;
 
 	pr_debug("Initialization done!\n");
@@ -1198,7 +623,7 @@ static int ramzswap_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
 	int ret = 0;
-	size_t disksize_kb, memlimit_kb;
+	size_t disksize_kb;
 
 	struct ramzswap *rzs = bdev->bd_disk->private_data;
 
@@ -1217,36 +642,6 @@ static int ramzswap_ioctl(struct block_device *bdev, fmode_t mode,
 		pr_info("Disk size set to %zu kB\n", disksize_kb);
 		break;
 
-	case RZSIO_SET_MEMLIMIT_KB:
-		if (rzs->init_done) {
-			/* TODO: allow changing memlimit */
-			ret = -EBUSY;
-			goto out;
-		}
-		if (copy_from_user(&memlimit_kb, (void *)arg,
-						_IOC_SIZE(cmd))) {
-			ret = -EFAULT;
-			goto out;
-		}
-		rzs->memlimit = memlimit_kb << 10;
-		pr_info("Memory limit set to %zu kB\n", memlimit_kb);
-		break;
-
-	case RZSIO_SET_BACKING_SWAP:
-		if (rzs->init_done) {
-			ret = -EBUSY;
-			goto out;
-		}
-
-		if (copy_from_user(&rzs->backing_swap_name, (void *)arg,
-						_IOC_SIZE(cmd))) {
-			ret = -EFAULT;
-			goto out;
-		}
-		rzs->backing_swap_name[MAX_SWAP_NAME_LEN - 1] = '\0';
-		pr_info("Backing swap set to %s\n", rzs->backing_swap_name);
-		break;
-
 	case RZSIO_GET_STATS:
 	{
 		struct ramzswap_ioctl_stats *stats;
@@ -1306,7 +701,6 @@ static int create_device(struct ramzswap *rzs, int device_id)
 
 	mutex_init(&rzs->lock);
 	spin_lock_init(&rzs->stat64_lock);
-	INIT_LIST_HEAD(&rzs->backing_swap_extent_list);
 
 	rzs->queue = blk_alloc_queue(GFP_KERNEL);
 	if (!rzs->queue) {
@@ -1336,10 +730,7 @@ static int create_device(struct ramzswap *rzs, int device_id)
 	rzs->disk->private_data = rzs;
 	snprintf(rzs->disk->disk_name, 16, "ramzswap%d", device_id);
 
-	/*
-	 * Actual capacity set using RZSIO_SET_DISKSIZE_KB ioctl
-	 * or set equal to backing swap device (if provided)
-	 */
+	/* Actual capacity set using RZSIO_SET_DISKSIZE_KB ioctl */
 	set_capacity(rzs->disk, 0);
 
 	blk_queue_physical_block_size(rzs->disk->queue, PAGE_SIZE);
diff --git a/drivers/staging/ramzswap/ramzswap_drv.h b/drivers/staging/ramzswap/ramzswap_drv.h
index c7e0e767c22..63c30420df2 100644
--- a/drivers/staging/ramzswap/ramzswap_drv.h
+++ b/drivers/staging/ramzswap/ramzswap_drv.h
@@ -31,8 +31,7 @@ static const unsigned max_num_devices = 32;
  * Stored at beginning of each compressed object.
  *
  * It stores back-reference to table entry which points to this
- * object. This is required to support memory defragmentation or
- * migrating compressed pages to backing swap disk.
+ * object. This is required to support memory defragmentation.
  */
 struct zobj_header {
 #if 0
@@ -44,27 +43,17 @@ struct zobj_header {
 
 /* Default ramzswap disk size: 25% of total RAM */
 static const unsigned default_disksize_perc_ram = 25;
-static const unsigned default_memlimit_perc_ram = 15;
 
 /*
- * Max compressed page size when backing device is provided.
- * Pages that compress to size greater than this are sent to
- * physical swap disk.
- */
-static const unsigned max_zpage_size_bdev = PAGE_SIZE / 2;
-
-/*
- * Max compressed page size when there is no backing dev.
  * Pages that compress to size greater than this are stored
  * uncompressed in memory.
  */
-static const unsigned max_zpage_size_nobdev = PAGE_SIZE / 4 * 3;
+static const unsigned max_zpage_size = PAGE_SIZE / 4 * 3;
 
 /*
- * NOTE: max_zpage_size_{bdev,nobdev} sizes must be
- * less than or equal to:
+ * NOTE: max_zpage_size must be less than or equal to:
  *   XV_MAX_ALLOC_SIZE - sizeof(struct zobj_header)
- * since otherwise xv_malloc would always return failure.
+ * otherwise, xv_malloc() would always return failure.
  */
 
 /*-- End of configurable params */
@@ -98,15 +87,6 @@ struct table {
 	u8 flags;
 } __attribute__((aligned(4)));
 
-/*
- * Swap extent information in case backing swap is a regular
- * file. These extent entries must fit exactly in a page.
- */
-struct ramzswap_backing_extent {
-	pgoff_t phy_pagenum;
-	pgoff_t num_pages;
-} __attribute__((aligned(4)));
-
 struct ramzswap_stats {
 	/* basic stats */
 	size_t compr_size;	/* compressed size of pages stored -
@@ -123,8 +103,6 @@ struct ramzswap_stats {
 	u32 pages_stored;	/* no. of pages currently stored */
 	u32 good_compress;	/* % of pages with compression ratio<=50% */
 	u32 pages_expand;	/* % of incompressible pages */
-	u64 bdev_num_reads;	/* no. of reads on backing dev */
-	u64 bdev_num_writes;	/* no. of writes on backing dev */
 #endif
 };
 
@@ -138,11 +116,6 @@ struct ramzswap {
 	struct request_queue *queue;
 	struct gendisk *disk;
 	int init_done;
-	/*
-	 * This is limit on compressed data size (stats.compr_size)
-	 * Its applicable only when backing swap device is present.
-	 */
-	size_t memlimit;	/* bytes */
 	/*
 	 * This is limit on amount of *uncompressed* worth of data
 	 * we can hold. When backing swap device is provided, it is
@@ -151,14 +124,6 @@ struct ramzswap {
 	size_t disksize;	/* bytes */
 
 	struct ramzswap_stats stats;
-
-	/* backing swap device info */
-	struct ramzswap_backing_extent *curr_extent;
-	struct list_head backing_swap_extent_list;
-	unsigned long num_extents;
-	char backing_swap_name[MAX_SWAP_NAME_LEN];
-	struct block_device *backing_swap;
-	struct file *swap_file;
 };
 
 /*-- */
@@ -182,13 +147,6 @@ static void rzs_stat64_inc(struct ramzswap *rzs, u64 *v)
 	spin_unlock(&rzs->stat64_lock);
 }
 
-static void rzs_stat64_dec(struct ramzswap *rzs, u64 *v)
-{
-	spin_lock(&rzs->stat64_lock);
-	*v = *v - 1;
-	spin_unlock(&rzs->stat64_lock);
-}
-
 static u64 rzs_stat64_read(struct ramzswap *rzs, u64 *v)
 {
 	u64 val;
@@ -203,7 +161,6 @@ static u64 rzs_stat64_read(struct ramzswap *rzs, u64 *v)
 #define rzs_stat_inc(v)
 #define rzs_stat_dec(v)
 #define rzs_stat64_inc(r, v)
-#define rzs_stat64_dec(r, v)
 #define rzs_stat64_read(r, v)
 #endif /* CONFIG_RAMZSWAP_STATS */
 
diff --git a/drivers/staging/ramzswap/ramzswap_ioctl.h b/drivers/staging/ramzswap/ramzswap_ioctl.h
index d26076d41bd..db94bcb4296 100644
--- a/drivers/staging/ramzswap/ramzswap_ioctl.h
+++ b/drivers/staging/ramzswap/ramzswap_ioctl.h
@@ -15,11 +15,7 @@
 #ifndef _RAMZSWAP_IOCTL_H_
 #define _RAMZSWAP_IOCTL_H_
 
-#define MAX_SWAP_NAME_LEN 128
-
 struct ramzswap_ioctl_stats {
-	char backing_swap_name[MAX_SWAP_NAME_LEN];
-	u64 memlimit;		/* only applicable if backing swap present */
 	u64 disksize;		/* user specified or equal to backing swap
 				 * size (if present) */
 	u64 num_reads;		/* failed + successful */
@@ -36,15 +32,11 @@ struct ramzswap_ioctl_stats {
 	u64 orig_data_size;
 	u64 compr_data_size;
 	u64 mem_used_total;
-	u64 bdev_num_reads;	/* no. of reads on backing dev */
-	u64 bdev_num_writes;	/* no. of writes on backing dev */
 } __attribute__ ((packed, aligned(4)));
 
 #define RZSIO_SET_DISKSIZE_KB	_IOW('z', 0, size_t)
-#define RZSIO_SET_MEMLIMIT_KB	_IOW('z', 1, size_t)
-#define RZSIO_SET_BACKING_SWAP	_IOW('z', 2, unsigned char[MAX_SWAP_NAME_LEN])
-#define RZSIO_GET_STATS		_IOR('z', 3, struct ramzswap_ioctl_stats)
-#define RZSIO_INIT		_IO('z', 4)
-#define RZSIO_RESET		_IO('z', 5)
+#define RZSIO_GET_STATS		_IOR('z', 1, struct ramzswap_ioctl_stats)
+#define RZSIO_INIT		_IO('z', 2)
+#define RZSIO_RESET		_IO('z', 3)
 
 #endif

From 93822ad193f1b1d92422dc3d539456acbe1a85ef Mon Sep 17 00:00:00 2001
From: Henk de Groot <henk.de.groot@hetnet.nl>
Date: Thu, 13 May 2010 16:27:33 +0200
Subject: [PATCH 1450/3638] Staging: wlags49_hs2: Fix wlags49_hs2 driver after
 build fixes broke it

Fixes the driver after merge into the 2.6.34 kernel. Driver should
be functional again (a fix to make it compile broke the driver).

Patch against 2.6.34 RC7 with patch-v2.6.34-rc7-next-20100513
already applied.

Removed conditional code based on kernel version, this is pointless
now the driver is part of the kernel. Also removed obsolte code
left over from previous patches. Includes also small fixes to compile
clean again.

Signed-off-by: Henk de Groot <pe1dnn@amsat.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlags49_h2/dhf.c         | 14 -----------
 drivers/staging/wlags49_h2/wl_cs.c       | 30 ++++++++++--------------
 drivers/staging/wlags49_h2/wl_cs.h       |  4 ----
 drivers/staging/wlags49_h2/wl_internal.h |  8 ++-----
 drivers/staging/wlags49_h2/wl_netdev.c   | 27 ---------------------
 drivers/staging/wlags49_h2/wl_wext.c     |  7 ------
 6 files changed, 14 insertions(+), 76 deletions(-)

diff --git a/drivers/staging/wlags49_h2/dhf.c b/drivers/staging/wlags49_h2/dhf.c
index 80a4707885d..bb80b547cc1 100644
--- a/drivers/staging/wlags49_h2/dhf.c
+++ b/drivers/staging/wlags49_h2/dhf.c
@@ -109,20 +109,6 @@
 /*                    12345678901234 */
 char signature[14] = "FUPU7D37dhfwci";
 
-/* The binary download function "relocates" the image using constructions like:
-	fw->identity = (CFG_IDENTITY_STRCT FAR *)((char FAR *)fw->identity + (hcf_32)fw );
-	under some of the memory models under MSVC 1.52 these constructions degrade to 16-bits pointer arithmetic.
-	fw->identity is limited, such that adding it to fw, does not need to carry over from offset to segment.
-	However the segment is not set at all.
-	As a workaround the PSEUDO_CHARP macro is introduced which is a char pointer except for MSVC 1.52, in
-	which case we know that a 32-bit quantity is adequate as a pointer.
-	Note that other platforms may experience comparable problems when using the binary download feature. */
-#if defined(_MSC_VER) && _MSC_VER ==  800				/* Visual C++ 1.5 */
-#define PSEUDO_CHARP hcf_32
-#else
-#define PSEUDO_CHARP (hcf_8 *)
-#endif
-
 /*-----------------------------------------------------------------------------
  *
  * LTV-records retrieved from the NIC to:
diff --git a/drivers/staging/wlags49_h2/wl_cs.c b/drivers/staging/wlags49_h2/wl_cs.c
index 7c33eade6b8..568993f3ffe 100644
--- a/drivers/staging/wlags49_h2/wl_cs.c
+++ b/drivers/staging/wlags49_h2/wl_cs.c
@@ -104,13 +104,6 @@
 #include <wl_sysfs.h>
 
 
-/*******************************************************************************
- *  macro definitions
- ******************************************************************************/
-#define CS_CHECK(fn, ret) do { \
-                    last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; \
-            } while (0)
-
 /*******************************************************************************
  *  global definitions
  ******************************************************************************/
@@ -305,7 +298,7 @@ void wl_adapter_insert( struct pcmcia_device *link )
 {
     struct net_device       *dev;
     int i;
-    int                     last_fn, last_ret;
+    int                     ret;
     /*------------------------------------------------------------------------*/
 
     DBG_FUNC( "wl_adapter_insert" );
@@ -317,10 +310,17 @@ void wl_adapter_insert( struct pcmcia_device *link )
     /* Do we need to allocate an interrupt? */
     link->conf.Attributes |= CONF_ENABLE_IRQ;
 
-//    CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
-//    CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
-//    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
+    ret = pcmcia_request_io(link, &link->io);
+    if (ret != 0)
+        goto failed;
 
+    ret = pcmcia_request_irq(link, (void *) wl_isr);
+    if (ret != 0)
+        goto failed;
+
+    ret = pcmcia_request_configuration(link, &link->conf);
+    if (ret != 0)
+        goto failed;
 
     dev->irq        = link->irq.AssignedIRQ;
     dev->base_addr  = link->io.BasePort1;
@@ -330,8 +330,7 @@ void wl_adapter_insert( struct pcmcia_device *link )
 	printk("%s: register_netdev() failed\n", MODULE_NAME);
 	goto failed;
     }
-    link->dev_node = &( wl_priv(dev) )->node;
-    strcpy(( wl_priv(dev) )->node.dev_name, dev->name);
+
     register_wlags_sysfs(dev);
 
     printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, ""mac_address ",
@@ -343,11 +342,6 @@ void wl_adapter_insert( struct pcmcia_device *link )
     DBG_LEAVE( DbgInfo );
     return;
 
-
-cs_failed:
-//    cs_error( link, last_fn, last_ret );
-
-
 failed:
     wl_adapter_release( link );
 
diff --git a/drivers/staging/wlags49_h2/wl_cs.h b/drivers/staging/wlags49_h2/wl_cs.h
index 2a0e67450fb..a9b8828a1a2 100644
--- a/drivers/staging/wlags49_h2/wl_cs.h
+++ b/drivers/staging/wlags49_h2/wl_cs.h
@@ -84,10 +84,6 @@ int wl_adapter_close(struct net_device *dev);
 
 int wl_adapter_is_open(struct net_device *dev);
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-void cs_error(client_handle_t handle, int func, int ret);
-#endif
-
 const char *DbgEvent( int mask );
 
 
diff --git a/drivers/staging/wlags49_h2/wl_internal.h b/drivers/staging/wlags49_h2/wl_internal.h
index 466fb6215ac..d9a0ad039c1 100644
--- a/drivers/staging/wlags49_h2/wl_internal.h
+++ b/drivers/staging/wlags49_h2/wl_internal.h
@@ -69,9 +69,6 @@
  ******************************************************************************/
 #include <linux/version.h>
 #ifdef BUS_PCMCIA
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-#include <pcmcia/version.h>
-#endif
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
 #include <pcmcia/cistpl.h>
@@ -866,7 +863,6 @@ struct wl_private
 {
 
 #ifdef BUS_PCMCIA
-	dev_node_t                  node;
 	struct pcmcia_device	    *link;
 #endif // BUS_PCMCIA
 
@@ -1013,13 +1009,13 @@ extern inline struct wl_private *wl_priv(struct net_device *dev)
  * SPARC, due to its weird semantics for save/restore flags. extern
  * inline should prevent the kernel from linking or module from
  * loading if they are not inlined. */
-extern inline void wl_lock(struct wl_private *lp,
+static inline void wl_lock(struct wl_private *lp,
 	                       unsigned long *flags)
 {
 	spin_lock_irqsave(&lp->slock, *flags);
 }
 
-extern inline void wl_unlock(struct wl_private *lp,
+static inline void wl_unlock(struct wl_private *lp,
 	                          unsigned long *flags)
 {
 	spin_unlock_irqrestore(&lp->slock, *flags);
diff --git a/drivers/staging/wlags49_h2/wl_netdev.c b/drivers/staging/wlags49_h2/wl_netdev.c
index 1cfaee3a235..91fd3092b47 100644
--- a/drivers/staging/wlags49_h2/wl_netdev.c
+++ b/drivers/staging/wlags49_h2/wl_netdev.c
@@ -463,15 +463,10 @@ static void wl_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 //	strncpy(info.fw_version, priv->fw_name,
 //	sizeof(info.fw_version) - 1);
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,20))
     if (dev->dev.parent) {
     	dev_set_name(dev->dev.parent, "%s", info->bus_info);
 	//strncpy(info->bus_info, dev->dev.parent->bus_id,
 	//	sizeof(info->bus_info) - 1);
-#else
-	    if (dev->class_dev.parent) {
-		sizeof(info->bus_info) - 1);
-#endif
     } else {
 	snprintf(info->bus_info, sizeof(info->bus_info) - 1,
 		"PCMCIA FIXME");
@@ -1179,7 +1174,6 @@ void wl_multicast( struct net_device *dev, int num_addrs, void *addrs )
 
 #endif /* NEW_MULTICAST */
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,30))
 static const struct net_device_ops wl_netdev_ops =
 {
     .ndo_start_xmit         = &wl_tx_port0,
@@ -1199,7 +1193,6 @@ static const struct net_device_ops wl_netdev_ops =
     .ndo_poll_controller    = wl_poll,
 #endif
 };
-#endif // (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,30))
 
 /*******************************************************************************
  *	wl_device_alloc()
@@ -1253,27 +1246,7 @@ struct net_device * wl_device_alloc( void )
     lp->wireless_data.spy_data = &lp->spy_data;
     dev->wireless_data = &lp->wireless_data;
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,30))
     dev->netdev_ops = &wl_netdev_ops;
-#else
-    dev->hard_start_xmit    = &wl_tx_port0;
-
-    dev->set_config         = &wl_config;
-    dev->get_stats          = &wl_stats;
-    dev->set_multicast_list = &wl_multicast;
-
-    dev->init               = &wl_insert;
-    dev->open               = &wl_adapter_open;
-    dev->stop               = &wl_adapter_close;
-    dev->do_ioctl           = &wl_ioctl;
-
-    dev->tx_timeout         = &wl_tx_timeout;
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-    dev->poll_controller = wl_poll;
-#endif
-
-#endif // (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,30))
 
     dev->watchdog_timeo     = TX_TIMEOUT;
 
diff --git a/drivers/staging/wlags49_h2/wl_wext.c b/drivers/staging/wlags49_h2/wl_wext.c
index 311d3c5a2ef..06467f1bf90 100644
--- a/drivers/staging/wlags49_h2/wl_wext.c
+++ b/drivers/staging/wlags49_h2/wl_wext.c
@@ -82,17 +82,10 @@
    in the build. */
 #ifdef WIRELESS_EXT
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-#define IWE_STREAM_ADD_EVENT(info, buf, end, iwe, len) \
-    iwe_stream_add_event(buf, end, iwe, len)
-#define IWE_STREAM_ADD_POINT(info, buf, end, iwe, msg) \
-    iwe_stream_add_point(buf, end, iwe, msg)
-#else
 #define IWE_STREAM_ADD_EVENT(info, buf, end, iwe, len) \
     iwe_stream_add_event(info, buf, end, iwe, len)
 #define IWE_STREAM_ADD_POINT(info, buf, end, iwe, msg) \
     iwe_stream_add_point(info, buf, end, iwe, msg)
-#endif
 
 
 

From 21fe2eea6381845956322e63e441f351774de7f9 Mon Sep 17 00:00:00 2001
From: Mark <reodge@gmail.com>
Date: Thu, 13 May 2010 17:44:39 +0800
Subject: [PATCH 1451/3638] Staging: comedi: Fix long line lengths in
 comedi_fops.c

This patch fixes lots of long line lengths in comedi_fops.c found by
checkpatch.pl

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 44 ++++++++++++++++++----------
 1 file changed, 29 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index e7095d766f4..aced00e5cd1 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -952,8 +952,9 @@ static int do_insn_ioctl(struct comedi_device *dev,
 	if (insn.n > MAX_SAMPLES)
 		insn.n = MAX_SAMPLES;
 	if (insn.insn & INSN_MASK_WRITE) {
-		if (copy_from_user
-		    (data, insn.data, insn.n * sizeof(unsigned int))) {
+		if (copy_from_user(data,
+				   insn.data,
+				   insn.n * sizeof(unsigned int))) {
 			ret = -EFAULT;
 			goto error;
 		}
@@ -962,7 +963,9 @@ static int do_insn_ioctl(struct comedi_device *dev,
 	if (ret < 0)
 		goto error;
 	if (insn.insn & INSN_MASK_READ) {
-		if (copy_to_user(insn.data, data, insn.n * sizeof(unsigned int))) {
+		if (copy_to_user(insn.data,
+				 data,
+				 insn.n * sizeof(unsigned int))) {
 			ret = -EFAULT;
 			goto error;
 		}
@@ -1070,7 +1073,9 @@ static int do_cmd_ioctl(struct comedi_device *dev,
 	}
 
 	/* make sure each element in channel/gain list is valid */
-	ret = comedi_check_chanlist(s, async->cmd.chanlist_len, async->cmd.chanlist);
+	ret = comedi_check_chanlist(s,
+				    async->cmd.chanlist_len,
+				    async->cmd.chanlist);
 	if (ret < 0) {
 		DPRINTK("bad chanlist\n");
 		goto cleanup;
@@ -2119,8 +2124,8 @@ int comedi_alloc_board_minor(struct device *hardware_device)
 		kfree(info->device);
 		kfree(info);
 		printk(KERN_ERR
-
-		       "comedi: error: ran out of minor numbers for board device files.\n");
+		       "comedi: error: "
+		       "ran out of minor numbers for board device files.\n");
 		return -EBUSY;
 	}
 	info->device->minor = i;
@@ -2133,7 +2138,8 @@ int comedi_alloc_board_minor(struct device *hardware_device)
 	retval = device_create_file(csdev, &dev_attr_max_read_buffer_kb);
 	if (retval) {
 		printk(KERN_ERR
-		       "comedi: failed to create sysfs attribute file \"%s\".\n",
+		       "comedi: "
+		       "failed to create sysfs attribute file \"%s\".\n",
 		       dev_attr_max_read_buffer_kb.attr.name);
 		comedi_free_board_minor(i);
 		return retval;
@@ -2141,7 +2147,8 @@ int comedi_alloc_board_minor(struct device *hardware_device)
 	retval = device_create_file(csdev, &dev_attr_read_buffer_kb);
 	if (retval) {
 		printk(KERN_ERR
-		       "comedi: failed to create sysfs attribute file \"%s\".\n",
+		       "comedi: "
+		       "failed to create sysfs attribute file \"%s\".\n",
 		       dev_attr_read_buffer_kb.attr.name);
 		comedi_free_board_minor(i);
 		return retval;
@@ -2149,7 +2156,8 @@ int comedi_alloc_board_minor(struct device *hardware_device)
 	retval = device_create_file(csdev, &dev_attr_max_write_buffer_kb);
 	if (retval) {
 		printk(KERN_ERR
-		       "comedi: failed to create sysfs attribute file \"%s\".\n",
+		       "comedi: "
+		       "failed to create sysfs attribute file \"%s\".\n",
 		       dev_attr_max_write_buffer_kb.attr.name);
 		comedi_free_board_minor(i);
 		return retval;
@@ -2157,7 +2165,8 @@ int comedi_alloc_board_minor(struct device *hardware_device)
 	retval = device_create_file(csdev, &dev_attr_write_buffer_kb);
 	if (retval) {
 		printk(KERN_ERR
-		       "comedi: failed to create sysfs attribute file \"%s\".\n",
+		       "comedi: "
+		       "failed to create sysfs attribute file \"%s\".\n",
 		       dev_attr_write_buffer_kb.attr.name);
 		comedi_free_board_minor(i);
 		return retval;
@@ -2216,7 +2225,8 @@ int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 	if (i == COMEDI_NUM_MINORS) {
 		kfree(info);
 		printk(KERN_ERR
-		       "comedi: error: ran out of minor numbers for board device files.\n");
+		       "comedi: error: "
+		       "ran out of minor numbers for board device files.\n");
 		return -EBUSY;
 	}
 	s->minor = i;
@@ -2230,7 +2240,8 @@ int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 	retval = device_create_file(csdev, &dev_attr_max_read_buffer_kb);
 	if (retval) {
 		printk(KERN_ERR
-		       "comedi: failed to create sysfs attribute file \"%s\".\n",
+		       "comedi: "
+		       "failed to create sysfs attribute file \"%s\".\n",
 		       dev_attr_max_read_buffer_kb.attr.name);
 		comedi_free_subdevice_minor(s);
 		return retval;
@@ -2238,7 +2249,8 @@ int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 	retval = device_create_file(csdev, &dev_attr_read_buffer_kb);
 	if (retval) {
 		printk(KERN_ERR
-		       "comedi: failed to create sysfs attribute file \"%s\".\n",
+		       "comedi: "
+		       "failed to create sysfs attribute file \"%s\".\n",
 		       dev_attr_read_buffer_kb.attr.name);
 		comedi_free_subdevice_minor(s);
 		return retval;
@@ -2246,7 +2258,8 @@ int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 	retval = device_create_file(csdev, &dev_attr_max_write_buffer_kb);
 	if (retval) {
 		printk(KERN_ERR
-		       "comedi: failed to create sysfs attribute file \"%s\".\n",
+		       "comedi: "
+		       "failed to create sysfs attribute file \"%s\".\n",
 		       dev_attr_max_write_buffer_kb.attr.name);
 		comedi_free_subdevice_minor(s);
 		return retval;
@@ -2254,7 +2267,8 @@ int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 	retval = device_create_file(csdev, &dev_attr_write_buffer_kb);
 	if (retval) {
 		printk(KERN_ERR
-		       "comedi: failed to create sysfs attribute file \"%s\".\n",
+		       "comedi: "
+		       "failed to create sysfs attribute file \"%s\".\n",
 		       dev_attr_write_buffer_kb.attr.name);
 		comedi_free_subdevice_minor(s);
 		return retval;

From 6c7f81967b8984e6fb6b1f04c63f32d90a15c479 Mon Sep 17 00:00:00 2001
From: Alexander Kurz <linux@blala.de>
Date: Thu, 13 May 2010 13:56:16 +0400
Subject: [PATCH 1452/3638] staging: comedi PCMCIA-drivers: adding
 MODULE_AUTHOR, MODULE_DESCRIPTION and MODULE_LICENSE

this adds and sorts the module labels MODULE_AUTHOR, MODULE_DESCRIPTION
and MODULE_LICENSE for all comedi PCMCIA drivers.

Signed-off-by: Alexander Kurz <linux@kbdbabel.org>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/cb_das16_cs.c     | 3 +++
 drivers/staging/comedi/drivers/das08_cs.c        | 5 ++++-
 drivers/staging/comedi/drivers/ni_daq_700.c      | 6 +++++-
 drivers/staging/comedi/drivers/ni_daq_dio24.c    | 4 ++++
 drivers/staging/comedi/drivers/ni_labpc_cs.c     | 4 +++-
 drivers/staging/comedi/drivers/ni_mio_cs.c       | 5 +++--
 drivers/staging/comedi/drivers/quatech_daqp_cs.c | 3 +++
 7 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c
index 68bd5caa5e4..19c60936e01 100644
--- a/drivers/staging/comedi/drivers/cb_das16_cs.c
+++ b/drivers/staging/comedi/drivers/cb_das16_cs.c
@@ -859,6 +859,9 @@ static struct pcmcia_device_id das16cs_id_table[] = {
 };
 
 MODULE_DEVICE_TABLE(pcmcia, das16cs_id_table);
+MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
+MODULE_DESCRIPTION("Comedi driver for Computer Boards PC-CARD DAS16/16");
+MODULE_LICENSE("GPL");
 
 struct pcmcia_driver das16cs_driver = {
 	.probe = das16cs_pcmcia_attach,
diff --git a/drivers/staging/comedi/drivers/das08_cs.c b/drivers/staging/comedi/drivers/das08_cs.c
index 9164ce158dc..456661c3b8b 100644
--- a/drivers/staging/comedi/drivers/das08_cs.c
+++ b/drivers/staging/comedi/drivers/das08_cs.c
@@ -371,6 +371,10 @@ static struct pcmcia_device_id das08_cs_id_table[] = {
 };
 
 MODULE_DEVICE_TABLE(pcmcia, das08_cs_id_table);
+MODULE_AUTHOR("David A. Schleef <ds@schleef.org>, "
+	      "Frank Mori Hess <fmhess@users.sourceforge.net>");
+MODULE_DESCRIPTION("Comedi driver for ComputerBoards DAS-08 PCMCIA boards");
+MODULE_LICENSE("GPL");
 
 struct pcmcia_driver das08_cs_driver = {
 	.probe = das08_pcmcia_attach,
@@ -413,6 +417,5 @@ static void __exit das08_cs_exit_module(void)
 	comedi_driver_unregister(&driver_das08_cs);
 }
 
-MODULE_LICENSE("GPL");
 module_init(das08_cs_init_module);
 module_exit(das08_cs_exit_module);
diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index 7844203c1ed..29140756dfc 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -734,8 +734,12 @@ static struct pcmcia_device_id dio700_cs_ids[] = {
 	PCMCIA_DEVICE_NULL
 };
 
-MODULE_LICENSE("GPL");
+
 MODULE_DEVICE_TABLE(pcmcia, dio700_cs_ids);
+MODULE_AUTHOR("Fred Brooks <nsaspook@nsaspook.com>");
+MODULE_DESCRIPTION("Comedi driver for National Instruments "
+		   "PCMCIA DAQCard-700 DIO");
+MODULE_LICENSE("GPL");
 
 struct pcmcia_driver dio700_cs_driver = {
 	.probe = dio700_cs_attach,
diff --git a/drivers/staging/comedi/drivers/ni_daq_dio24.c b/drivers/staging/comedi/drivers/ni_daq_dio24.c
index ddc312b5d20..f9e49e605d9 100644
--- a/drivers/staging/comedi/drivers/ni_daq_dio24.c
+++ b/drivers/staging/comedi/drivers/ni_daq_dio24.c
@@ -487,6 +487,10 @@ static struct pcmcia_device_id dio24_cs_ids[] = {
 };
 
 MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
+MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
+MODULE_DESCRIPTION("Comedi driver for National Instruments "
+		   "PCMCIA DAQ-Card DIO-24");
+MODULE_LICENSE("GPL");
 
 struct pcmcia_driver dio24_cs_driver = {
 	.probe = dio24_cs_attach,
diff --git a/drivers/staging/comedi/drivers/ni_labpc_cs.c b/drivers/staging/comedi/drivers/ni_labpc_cs.c
index 8ad1055a5cc..d2935e5de5e 100644
--- a/drivers/staging/comedi/drivers/ni_labpc_cs.c
+++ b/drivers/staging/comedi/drivers/ni_labpc_cs.c
@@ -463,6 +463,9 @@ static struct pcmcia_device_id labpc_cs_ids[] = {
 };
 
 MODULE_DEVICE_TABLE(pcmcia, labpc_cs_ids);
+MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>");
+MODULE_DESCRIPTION("Comedi driver for National Instruments Lab-PC");
+MODULE_LICENSE("GPL");
 
 struct pcmcia_driver labpc_cs_driver = {
 	.probe = labpc_cs_attach,
@@ -504,6 +507,5 @@ void __exit labpc_exit_module(void)
 	comedi_driver_unregister(&driver_labpc_cs);
 }
 
-MODULE_LICENSE("GPL");
 module_init(labpc_init_module);
 module_exit(labpc_exit_module);
diff --git a/drivers/staging/comedi/drivers/ni_mio_cs.c b/drivers/staging/comedi/drivers/ni_mio_cs.c
index dc4849a40c9..dcb15790345 100644
--- a/drivers/staging/comedi/drivers/ni_mio_cs.c
+++ b/drivers/staging/comedi/drivers/ni_mio_cs.c
@@ -439,8 +439,6 @@ static int ni_getboardtype(struct comedi_device *dev,
 
 #ifdef MODULE
 
-MODULE_LICENSE("GPL");
-
 static struct pcmcia_device_id ni_mio_cs_ids[] = {
 	PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d),	/* DAQCard-ai-16xe-50 */
 	PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c),	/* DAQCard-ai-16e-4 */
@@ -451,6 +449,9 @@ static struct pcmcia_device_id ni_mio_cs_ids[] = {
 };
 
 MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids);
+MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
+MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series");
+MODULE_LICENSE("GPL");
 
 struct pcmcia_driver ni_mio_cs_driver = {
 	.probe = &cs_attach,
diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index fb427dbe98f..be62face6a7 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -1243,6 +1243,9 @@ static struct pcmcia_device_id daqp_cs_id_table[] = {
 };
 
 MODULE_DEVICE_TABLE(pcmcia, daqp_cs_id_table);
+MODULE_AUTHOR("Brent Baccala <baccala@freesoft.org>");
+MODULE_DESCRIPTION("Comedi driver for Quatech DAQP PCMCIA data capture cards");
+MODULE_LICENSE("GPL");
 
 static struct pcmcia_driver daqp_cs_driver = {
 	.probe = daqp_cs_attach,

From b464f791caf66b6120c3cd8a77ad313ed532667a Mon Sep 17 00:00:00 2001
From: Mark Rankilor <reodge@gmail.com>
Date: Thu, 13 May 2010 18:28:38 +0800
Subject: [PATCH 1453/3638] Staging: comedi: Fixed long line lengths in
 comedi.h

This patches fixes long line lengths in comedi.h that were picked up by
checkpatch.pl

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi.h | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index 1538146b37a..3e3663fe1f4 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -465,7 +465,8 @@
 
 #define COMEDI_CB_EOS		1	/* end of scan */
 #define COMEDI_CB_EOA		2	/* end of acquisition */
-#define COMEDI_CB_BLOCK		4	/* data has arrived: wakes up read() / write() */
+#define COMEDI_CB_BLOCK		4	/* data has arrived:
+					 * wakes up read() / write() */
 #define COMEDI_CB_EOBUF		8	/* DEPRECATED: end of buffer */
 #define COMEDI_CB_ERROR		16	/* card error during acquisition */
 #define COMEDI_CB_OVERFLOW	32	/* buffer overflow/underflow */
@@ -499,8 +500,10 @@
 		I8254_MODE2 = (2 << 1),	/* Rate generator */
 		I8254_MODE3 = (3 << 1),	/* Square wave mode */
 		I8254_MODE4 = (4 << 1),	/* Software triggered strobe */
-		I8254_MODE5 = (5 << 1),	/* Hardware triggered strobe (retriggerable) */
-		I8254_BCD = 1,	/* use binary-coded decimal instead of binary (pretty useless) */
+		I8254_MODE5 = (5 << 1),	/* Hardware triggered strobe
+					 * (retriggerable) */
+		I8254_BCD = 1,	/* use binary-coded decimal instead of binary
+				 * (pretty useless) */
 		I8254_BINARY = 0
 	};
 
@@ -640,7 +643,8 @@ May be bitwise-or'd with CR_EDGE or CR_INVERT. */
 		NI_GPCT_UP_DOWN_PIN_i_GATE_SELECT = 0x201,
 		NI_GPCT_SELECTED_GATE_GATE_SELECT = 0x21e,
 		/* m-series "second gate" sources are unknown,
-		   we should add them here with an offset of 0x300 when known. */
+		 * we should add them here with an offset of 0x300 when
+		 * known. */
 		NI_GPCT_DISABLED_GATE_SELECT = 0x8000,
 	};
 	static inline unsigned NI_GPCT_GATE_PIN_GATE_SELECT(unsigned n)
@@ -681,14 +685,14 @@ INSN_CONFIG_SET_OTHER_SRC when using NI general-purpose counters. */
 INSN_CONFIG_ARM */
 	enum ni_gpct_arm_source {
 		NI_GPCT_ARM_IMMEDIATE = 0x0,
-		NI_GPCT_ARM_PAIRED_IMMEDIATE = 0x1,	/* Start both the counter and
-							   the adjacent paired counter
-							   simultaneously */
-		/* NI doesn't document bits for selecting hardware arm triggers.  If
-		 * the NI_GPCT_ARM_UNKNOWN bit is set, we will pass the least
-		 * significant bits (3 bits for 660x or 5 bits for m-series) through to
-		 * the hardware.  This will at least allow someone to figure out what
-		 * the bits do later. */
+		NI_GPCT_ARM_PAIRED_IMMEDIATE = 0x1, /* Start both the counter
+						     * and the adjacent paired
+						     * counter simultaneously */
+		/* NI doesn't document bits for selecting hardware arm triggers.
+		 * If the NI_GPCT_ARM_UNKNOWN bit is set, we will pass the least
+		 * significant bits (3 bits for 660x or 5 bits for m-series)
+		 * through to the hardware.  This will at least allow someone to
+		 * figure out what the bits do later. */
 		NI_GPCT_ARM_UNKNOWN = 0x1000,
 	};
 
@@ -740,8 +744,8 @@ INSN_CONFIG_ARM */
 		NI_RTSI_OUTPUT_G_GATE0 = 6,
 		NI_RTSI_OUTPUT_RGOUT0 = 7,
 		NI_RTSI_OUTPUT_RTSI_BRD_0 = 8,
-		NI_RTSI_OUTPUT_RTSI_OSC = 12	/* pre-m-series always have RTSI clock
-						   on line 7 */
+		NI_RTSI_OUTPUT_RTSI_OSC = 12	/* pre-m-series always have RTSI
+						 * clock on line 7 */
 	};
 	static inline unsigned NI_RTSI_OUTPUT_RTSI_BRD(unsigned n)
 	{

From 7d8e737dd7e3519110a7bc529ef6ac80ac41c3f5 Mon Sep 17 00:00:00 2001
From: Mark Rankilor <reodge@gmail.com>
Date: Thu, 13 May 2010 18:28:39 +0800
Subject: [PATCH 1454/3638] Staging: comedi: Fixed more long line lengths in
 comedi.h

This patches fixes some long line lengths in comedi.h from checkpatch.pl

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi.h | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index 3e3663fe1f4..6c900e2756f 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -267,7 +267,8 @@
 		 * streaming input/output */
 		INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE = 2006,
 		INSN_CONFIG_SET_COUNTER_MODE = 4097,
-		INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE,	/* deprecated */
+		/* INSN_CONFIG_8254_SET_MODE is deprecated */
+		INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE,
 		INSN_CONFIG_8254_READ_STATUS = 4098,
 		INSN_CONFIG_SET_ROUTING = 4099,
 		INSN_CONFIG_GET_ROUTING = 4109,
@@ -598,14 +599,17 @@
 		NI_GPCT_LOGIC_LOW_CLOCK_SRC_BITS = 0x3,
 		NI_GPCT_NEXT_GATE_CLOCK_SRC_BITS = 0x4,
 		NI_GPCT_NEXT_TC_CLOCK_SRC_BITS = 0x5,
-		NI_GPCT_SOURCE_PIN_i_CLOCK_SRC_BITS = 0x6,	/* NI 660x-specific */
+		/* NI 660x-specific */
+		NI_GPCT_SOURCE_PIN_i_CLOCK_SRC_BITS = 0x6,
 		NI_GPCT_PXI10_CLOCK_SRC_BITS = 0x7,
 		NI_GPCT_PXI_STAR_TRIGGER_CLOCK_SRC_BITS = 0x8,
 		NI_GPCT_ANALOG_TRIGGER_OUT_CLOCK_SRC_BITS = 0x9,
 		NI_GPCT_PRESCALE_MODE_CLOCK_SRC_MASK = 0x30000000,
 		NI_GPCT_NO_PRESCALE_CLOCK_SRC_BITS = 0x0,
-		NI_GPCT_PRESCALE_X2_CLOCK_SRC_BITS = 0x10000000,	/* divide source by 2 */
-		NI_GPCT_PRESCALE_X8_CLOCK_SRC_BITS = 0x20000000,	/* divide source by 8 */
+		/* divide source by 2 */
+		NI_GPCT_PRESCALE_X2_CLOCK_SRC_BITS = 0x10000000,
+		/* divide source by 8 */
+		NI_GPCT_PRESCALE_X8_CLOCK_SRC_BITS = 0x20000000,
 		NI_GPCT_INVERT_CLOCK_SRC_BIT = 0x80000000
 	};
 	static inline unsigned NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(unsigned n)
@@ -837,7 +841,8 @@ INSN_CONFIG_ARM */
 	{
 		return NI_USUAL_PFI_SELECT(pfi_channel);
 	}
-	static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_RTSI(unsigned rtsi_channel)
+	static inline unsigned
+		NI_CDIO_SCAN_BEGIN_SRC_RTSI(unsigned rtsi_channel)
 	{
 		return NI_USUAL_RTSI_SELECT(rtsi_channel);
 	}

From 5c2af91bbcc19c96d2fb35c4bb3f3d66b039e978 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Thu, 13 May 2010 13:55:25 +0200
Subject: [PATCH 1455/3638] Staging: rtl819su: added r8192SU_led.c/.h

added the necessary infrastructure for the leds on the device
this is a port from Realteks driver.

leds are now working partially.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/Makefile            |    1 +
 .../rtl8192su/ieee80211/ieee80211_r8192s.h    |   24 +-
 drivers/staging/rtl8192su/r8192SU_led.c       | 2347 +++++++++++++++++
 drivers/staging/rtl8192su/r8192SU_led.h       |   93 +
 drivers/staging/rtl8192su/r8192U.h            |   27 +-
 5 files changed, 2466 insertions(+), 26 deletions(-)
 create mode 100644 drivers/staging/rtl8192su/r8192SU_led.c
 create mode 100644 drivers/staging/rtl8192su/r8192SU_led.h

diff --git a/drivers/staging/rtl8192su/Makefile b/drivers/staging/rtl8192su/Makefile
index 9374a0179e5..7133894afe7 100644
--- a/drivers/staging/rtl8192su/Makefile
+++ b/drivers/staging/rtl8192su/Makefile
@@ -20,6 +20,7 @@ r8192s_usb-objs :=		\
 	r8192S_Efuse.o		\
 	r8192U_core.o		\
 	r8192U_pm.o		\
+	r8192SU_led.o		\
 	ieee80211/ieee80211_crypt.o		\
 	ieee80211/ieee80211_crypt_tkip.o	\
 	ieee80211/ieee80211_crypt_ccmp.o	\
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_r8192s.h b/drivers/staging/rtl8192su/ieee80211/ieee80211_r8192s.h
index 7d6c3bc143a..1824cda790d 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_r8192s.h
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_r8192s.h
@@ -172,18 +172,20 @@ enum {
 	IG_Max
 };
 
-typedef enum _LED_CTL_MODE {
-	LED_CTL_POWER_ON	 = 1,
-	LED_CTL_LINK		 = 2,
-	LED_CTL_NO_LINK		 = 3,
-	LED_CTL_TX		 = 4,
-	LED_CTL_RX		 = 5,
-	LED_CTL_SITE_SURVEY	 = 6,
-	LED_CTL_POWER_OFF	 = 7,
-	LED_CTL_START_TO_LINK	 = 8,
-	LED_CTL_START_WPS	 = 9,
-	LED_CTL_STOP_WPS	 = 10,
+typedef enum _LED_CTL_MODE{
+	LED_CTL_POWER_ON = 1,
+	LED_CTL_LINK = 2,
+	LED_CTL_NO_LINK = 3,
+	LED_CTL_TX = 4,
+	LED_CTL_RX = 5,
+	LED_CTL_SITE_SURVEY = 6,
+	LED_CTL_POWER_OFF = 7,
+	LED_CTL_START_TO_LINK = 8,
+	LED_CTL_START_WPS = 9,
+	LED_CTL_STOP_WPS = 10,
 	LED_CTL_START_WPS_BOTTON = 11,
+	LED_CTL_STOP_WPS_FAIL = 12,
+	LED_CTL_STOP_WPS_FAIL_OVERLAP = 13,
 } LED_CTL_MODE;
 
 typedef union _frameqos {
diff --git a/drivers/staging/rtl8192su/r8192SU_led.c b/drivers/staging/rtl8192su/r8192SU_led.c
new file mode 100644
index 00000000000..609dba67eb4
--- /dev/null
+++ b/drivers/staging/rtl8192su/r8192SU_led.c
@@ -0,0 +1,2347 @@
+/*
+ * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ */
+
+#include "r8192U.h"
+#include "r8192S_hw.h"
+#include "r8192SU_led.h"
+
+#define LED_BLINK_NORMAL_INTERVAL		100
+#define LED_BLINK_SLOWLY_INTERVAL		200
+#define LED_BLINK_LONG_INTERVAL			400
+
+#define LED_BLINK_NO_LINK_INTERVAL_ALPHA	1000
+#define LED_BLINK_LINK_INTERVAL_ALPHA		500
+#define LED_BLINK_SCAN_INTERVAL_ALPHA		180
+#define LED_BLINK_FASTER_INTERVAL_ALPHA		50
+#define LED_BLINK_WPS_SUCESS_INTERVAL_ALPHA	5000
+
+
+
+static void BlinkTimerCallback (unsigned long data);
+
+static void BlinkWorkItemCallback (struct work_struct *work);
+
+void InitLed819xUsb (struct net_device *dev, PLED_819xUsb pLed,
+							LED_PIN_819xUsb LedPin)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+
+	pLed->dev = dev;
+	pLed->LedPin = LedPin;
+	pLed->CurrLedState = LED_OFF;
+	pLed->bLedOn = FALSE;
+
+	pLed->bLedBlinkInProgress = FALSE;
+	pLed->BlinkTimes = 0;
+	pLed->BlinkingLedState = LED_OFF;
+
+	init_timer(&pLed->BlinkTimer);
+	pLed->BlinkTimer.data = (unsigned long)dev;
+	pLed->BlinkTimer.function = BlinkTimerCallback;
+
+	INIT_WORK(&priv->BlinkWorkItem, (void*)BlinkWorkItemCallback);
+	priv->pLed = pLed;
+}
+
+
+void DeInitLed819xUsb (PLED_819xUsb pLed)
+{
+	del_timer_sync(&(pLed->BlinkTimer));
+	pLed->bLedBlinkInProgress = FALSE;
+}
+
+void SwLedOn (struct net_device *dev, PLED_819xUsb pLed)
+{
+	u8 LedCfg;
+
+	LedCfg = read_nic_byte(dev, LEDCFG);
+	switch (pLed->LedPin) {
+	case LED_PIN_GPIO0:
+		break;
+	case LED_PIN_LED0:
+		write_nic_byte(dev, LEDCFG, LedCfg&0xf0); 
+		break;
+	case LED_PIN_LED1:
+		write_nic_byte(dev, LEDCFG, LedCfg&0x0f); 
+		break;
+	default:
+		break;
+	}
+	pLed->bLedOn = TRUE;
+}
+
+void SwLedOff (struct net_device *dev, PLED_819xUsb pLed)
+{
+	u8 LedCfg;
+
+	LedCfg = read_nic_byte(dev, LEDCFG);
+	switch (pLed->LedPin) {
+	case LED_PIN_GPIO0:
+		break;
+	case LED_PIN_LED0:
+		LedCfg &= 0xf0; 
+		write_nic_byte(dev, LEDCFG, (LedCfg|BIT3));
+		break;
+	case LED_PIN_LED1:
+		LedCfg &= 0x0f; 
+		write_nic_byte(dev, LEDCFG, (LedCfg|BIT7));
+		break;
+	default:
+		break;
+	}
+	pLed->bLedOn = FALSE;
+}
+
+
+void
+InitSwLeds(
+	struct net_device 	*dev
+	)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+
+	InitLed819xUsb(dev, &(priv->SwLed0), LED_PIN_LED0);
+
+	InitLed819xUsb(dev,&(priv->SwLed1), LED_PIN_LED1);
+}
+
+
+void
+DeInitSwLeds(
+	struct net_device 	*dev
+	)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+
+	DeInitLed819xUsb( &(priv->SwLed0) );
+	DeInitLed819xUsb( &(priv->SwLed1) );
+}
+
+
+void
+SwLedBlink(
+	PLED_819xUsb			pLed
+	)
+{
+	struct net_device 	*dev = (struct net_device *)(pLed->dev); 
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	bool 				bStopBlinking = FALSE;
+
+	if( pLed->BlinkingLedState == LED_ON ) 
+	{
+		SwLedOn(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn on\n", pLed->BlinkTimes);
+	}
+	else 
+	{
+		SwLedOff(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn off\n", pLed->BlinkTimes);
+	}
+
+	pLed->BlinkTimes--;
+	switch(pLed->CurrLedState)
+	{
+
+	case LED_BLINK_NORMAL: 
+		if(pLed->BlinkTimes == 0)
+		{
+			bStopBlinking = TRUE;
+		}
+		break;
+		
+	case LED_BLINK_StartToBlink:	
+		if( (priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_INFRA)) 
+		{
+			bStopBlinking = TRUE;
+		}
+		else if((priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_ADHOC))
+		{
+			bStopBlinking = TRUE;
+		}
+		else if(pLed->BlinkTimes == 0)
+		{
+			bStopBlinking = TRUE;
+		}
+		break;
+
+	case LED_BLINK_WPS:
+		if( pLed->BlinkTimes == 0 )
+		{
+			bStopBlinking = TRUE;
+		}
+		break;
+
+
+	default:
+		bStopBlinking = TRUE;
+		break;
+			
+	}
+	
+	if(bStopBlinking)
+	{
+		if( priv->ieee80211->eRFPowerState != eRfOn )
+		{
+			SwLedOff(dev, pLed);
+		}
+		else if( (priv->ieee80211->state == IEEE80211_LINKED) && (pLed->bLedOn == false))
+		{
+			SwLedOn(dev, pLed);
+		}
+		else if( (priv->ieee80211->state != IEEE80211_LINKED) &&  pLed->bLedOn == true)
+		{
+			SwLedOff(dev, pLed);
+		}
+
+		pLed->BlinkTimes = 0;
+		pLed->bLedBlinkInProgress = FALSE;
+	}
+	else
+	{
+		if( pLed->BlinkingLedState == LED_ON ) 
+			pLed->BlinkingLedState = LED_OFF;
+		else 
+			pLed->BlinkingLedState = LED_ON;
+
+		switch( pLed->CurrLedState )
+		{
+		case LED_BLINK_NORMAL:
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+			break;
+		
+		case LED_BLINK_SLOWLY:
+		case LED_BLINK_StartToBlink:
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SLOWLY_INTERVAL));
+			break;
+
+		case LED_BLINK_WPS:
+			{
+				if( pLed->BlinkingLedState == LED_ON )
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LONG_INTERVAL));
+				else
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LONG_INTERVAL));
+			}
+			break;
+
+		default:
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SLOWLY_INTERVAL));
+			break;
+		}
+	}
+}
+
+
+void
+SwLedBlink1(
+	PLED_819xUsb			pLed
+	)
+{
+	struct net_device 	*dev = (struct net_device *)(pLed->dev); 
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	PLED_819xUsb 	pLed1 = &(priv->SwLed1);	
+	bool 				bStopBlinking = FALSE;
+
+	if(priv->CustomerID == RT_CID_819x_CAMEO)
+		pLed = &(priv->SwLed1);	
+
+	if( pLed->BlinkingLedState == LED_ON ) 
+	{
+		SwLedOn(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn on\n", pLed->BlinkTimes);
+	}
+	else 
+	{
+		SwLedOff(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn off\n", pLed->BlinkTimes);
+	}
+
+
+	if(priv->CustomerID == RT_CID_DEFAULT)
+	{
+		if(priv->ieee80211->state == IEEE80211_LINKED)
+		{
+			if(!pLed1->bSWLedCtrl)
+			{
+				SwLedOn(dev, pLed1); 	
+				pLed1->bSWLedCtrl = TRUE;
+			}
+			else if(!pLed1->bLedOn)	
+				SwLedOn(dev, pLed1);
+			RT_TRACE(COMP_LED, "Blinktimes (): turn on pLed1\n");
+	}
+		else 
+	{
+			if(!pLed1->bSWLedCtrl)
+		{
+				SwLedOff(dev, pLed1);
+				pLed1->bSWLedCtrl = TRUE;
+		}
+		else if(pLed1->bLedOn)
+			SwLedOff(dev, pLed1);
+			RT_TRACE(COMP_LED, "Blinktimes (): turn off pLed1\n");		
+		}
+	}
+
+	switch(pLed->CurrLedState)
+	{
+		case LED_BLINK_SLOWLY:			
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON; 
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+			break;
+
+		case LED_BLINK_NORMAL:
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON; 
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LINK_INTERVAL_ALPHA));
+			break;
+			
+		case LED_SCAN_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else if(priv->ieee80211->state == IEEE80211_LINKED)
+				{
+					pLed->bLedLinkBlinkInProgress = TRUE;
+					pLed->CurrLedState = LED_BLINK_NORMAL;
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LINK_INTERVAL_ALPHA));
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);
+					
+				}
+				else if(priv->ieee80211->state != IEEE80211_LINKED)
+				{
+					pLed->bLedNoLinkBlinkInProgress = TRUE;
+					pLed->CurrLedState = LED_BLINK_SLOWLY;
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					 if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+				}
+			}
+			break;
+
+		case LED_TXRX_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else if(priv->ieee80211->state == IEEE80211_LINKED)
+				{
+					pLed->bLedLinkBlinkInProgress = TRUE;
+					pLed->CurrLedState = LED_BLINK_NORMAL;
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LINK_INTERVAL_ALPHA));
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				else if(priv->ieee80211->state != IEEE80211_LINKED)
+				{
+					pLed->bLedNoLinkBlinkInProgress = TRUE;
+					pLed->CurrLedState = LED_BLINK_SLOWLY;
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				pLed->BlinkTimes = 0;
+				pLed->bLedBlinkInProgress = FALSE;	
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					 if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+				}
+			}
+			break;
+
+		case LED_BLINK_WPS:
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON; 
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+			break;
+
+		case LED_BLINK_WPS_STOP:	
+			if(pLed->BlinkingLedState == LED_ON)
+			{
+				pLed->BlinkingLedState = LED_OFF;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_WPS_SUCESS_INTERVAL_ALPHA));				
+				bStopBlinking = FALSE;
+			}
+			else
+			{
+				bStopBlinking = TRUE;				
+			}
+			
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else 
+				{
+					pLed->bLedLinkBlinkInProgress = TRUE;
+					pLed->CurrLedState = LED_BLINK_NORMAL;
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LINK_INTERVAL_ALPHA));
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				pLed->bLedWPSBlinkInProgress = FALSE;	
+			}		
+			break;
+					
+		default:
+			break;
+	}
+
+}
+
+void
+SwLedBlink2(
+	PLED_819xUsb			pLed
+	)
+{
+	struct net_device 	*dev = (struct net_device *)(pLed->dev); 
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	bool 				bStopBlinking = FALSE;
+
+	if( pLed->BlinkingLedState == LED_ON) 
+	{
+		SwLedOn(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn on\n", pLed->BlinkTimes);
+	}
+	else 
+	{
+		SwLedOff(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn off\n", pLed->BlinkTimes);
+	}
+
+	switch(pLed->CurrLedState)
+	{	
+		case LED_SCAN_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+					RT_TRACE(COMP_LED, "eRFPowerState %d\n", priv->ieee80211->eRFPowerState);					
+				}
+				else if(priv->ieee80211->state == IEEE80211_LINKED)
+				{
+					pLed->CurrLedState = LED_ON;
+					pLed->BlinkingLedState = LED_ON; 
+					SwLedOn(dev, pLed);
+					RT_TRACE(COMP_LED, "stop scan blink CurrLedState %d\n", pLed->CurrLedState);
+					
+				}
+				else if(priv->ieee80211->state != IEEE80211_LINKED)
+				{
+					pLed->CurrLedState = LED_OFF;
+					pLed->BlinkingLedState = LED_OFF; 
+					SwLedOff(dev, pLed);
+					RT_TRACE(COMP_LED, "stop scan blink CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					 if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+				}
+			}
+			break;
+
+		case LED_TXRX_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else if(priv->ieee80211->state == IEEE80211_LINKED)
+				{
+					pLed->CurrLedState = LED_ON;
+					pLed->BlinkingLedState = LED_ON; 
+					SwLedOn(dev, pLed);
+					RT_TRACE(COMP_LED, "stop CurrLedState %d\n", pLed->CurrLedState);
+					
+				}
+				else if(priv->ieee80211->state != IEEE80211_LINKED)
+				{
+					pLed->CurrLedState = LED_OFF;
+					pLed->BlinkingLedState = LED_OFF; 
+					SwLedOff(dev, pLed);
+					RT_TRACE(COMP_LED, "stop CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				pLed->bLedBlinkInProgress = FALSE;
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					 if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+				}
+			}
+			break;
+					
+		default:
+			break;
+	}
+
+}
+
+void
+SwLedBlink3(
+	PLED_819xUsb			pLed
+	)
+{
+	struct net_device 	*dev = (struct net_device *)(pLed->dev); 
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	bool bStopBlinking = FALSE;
+
+	if( pLed->BlinkingLedState == LED_ON ) 
+	{
+		SwLedOn(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn on\n", pLed->BlinkTimes);
+	}
+	else 
+	{
+		if(pLed->CurrLedState != LED_BLINK_WPS_STOP)
+			SwLedOff(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn off\n", pLed->BlinkTimes);
+	}	
+
+	switch(pLed->CurrLedState)
+	{			
+		case LED_SCAN_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else if(priv->ieee80211->state == IEEE80211_LINKED)
+				{
+					pLed->CurrLedState = LED_ON;
+					pLed->BlinkingLedState = LED_ON;				
+					if( !pLed->bLedOn )
+						SwLedOn(dev, pLed);
+
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				else if(priv->ieee80211->state != IEEE80211_LINKED)
+				{
+					pLed->CurrLedState = LED_OFF;
+					pLed->BlinkingLedState = LED_OFF;									
+					if( pLed->bLedOn )
+						SwLedOff(dev, pLed);
+
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+				 	if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+				}
+			}
+			break;
+
+		case LED_TXRX_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else if(priv->ieee80211->state == IEEE80211_LINKED)
+				{
+					pLed->CurrLedState = LED_ON;
+					pLed->BlinkingLedState = LED_ON;
+				
+					if( !pLed->bLedOn )
+						SwLedOn(dev, pLed);
+
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				else if(priv->ieee80211->state != IEEE80211_LINKED)
+				{
+					pLed->CurrLedState = LED_OFF;
+					pLed->BlinkingLedState = LED_OFF;					
+				
+					if( pLed->bLedOn )
+						SwLedOff(dev, pLed);
+
+
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				pLed->bLedBlinkInProgress = FALSE;	
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+				}
+			}
+			break;
+
+		case LED_BLINK_WPS:
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON; 
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+			break;
+
+		case LED_BLINK_WPS_STOP:	
+			if(pLed->BlinkingLedState == LED_ON)
+			{
+				pLed->BlinkingLedState = LED_OFF;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_WPS_SUCESS_INTERVAL_ALPHA));				
+				bStopBlinking = FALSE;
+			}
+			else
+			{
+				bStopBlinking = TRUE;				
+			}
+			
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn )
+				{
+					SwLedOff(dev, pLed);
+				}
+				else 
+				{
+					pLed->CurrLedState = LED_ON;
+					pLed->BlinkingLedState = LED_ON; 
+					SwLedOn(dev, pLed);
+					RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);					
+				}
+				pLed->bLedWPSBlinkInProgress = FALSE;	
+			}		
+			break;
+			
+					
+		default:
+			break;
+	}
+
+}
+
+
+void
+SwLedBlink4(
+	PLED_819xUsb			pLed
+	)
+{
+	struct net_device 	*dev = (struct net_device *)(pLed->dev); 
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	PLED_819xUsb 	pLed1 = &(priv->SwLed1);	
+	bool bStopBlinking = FALSE;
+
+	if( pLed->BlinkingLedState == LED_ON ) 
+	{
+		SwLedOn(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn on\n", pLed->BlinkTimes);
+	}
+	else 
+	{
+		SwLedOff(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn off\n", pLed->BlinkTimes);
+	}	
+
+	if(!pLed1->bLedWPSBlinkInProgress && pLed1->BlinkingLedState == LED_UNKNOWN)
+	{
+		pLed1->BlinkingLedState = LED_OFF;
+		pLed1->CurrLedState = LED_OFF;
+		SwLedOff(dev, pLed1);
+	}	
+
+	switch(pLed->CurrLedState)
+	{
+		case LED_BLINK_SLOWLY:			
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON;
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+			break;
+
+		case LED_BLINK_StartToBlink:
+			if( pLed->bLedOn )
+			{
+				pLed->BlinkingLedState = LED_OFF;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SLOWLY_INTERVAL));
+			}
+			else
+			{
+				pLed->BlinkingLedState = LED_ON;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+			}
+			break;			
+			
+		case LED_SCAN_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+				{
+					SwLedOff(dev, pLed);
+				}
+				else 
+				{
+					pLed->bLedNoLinkBlinkInProgress = TRUE;
+					pLed->CurrLedState = LED_BLINK_SLOWLY;
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+				}
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					 if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+				}
+			}
+			break;
+
+		case LED_TXRX_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+				{
+					SwLedOff(dev, pLed);
+				}
+				else 
+				{
+					pLed->bLedNoLinkBlinkInProgress = TRUE;
+					pLed->CurrLedState = LED_BLINK_SLOWLY;
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+				}
+				pLed->bLedBlinkInProgress = FALSE;	
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					 if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+				}
+			}
+			break;
+
+		case LED_BLINK_WPS:
+			if( pLed->bLedOn )
+			{
+				pLed->BlinkingLedState = LED_OFF;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SLOWLY_INTERVAL));
+			}
+			else
+			{
+				pLed->BlinkingLedState = LED_ON;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+			}
+			break;
+
+		case LED_BLINK_WPS_STOP:	
+			if( pLed->bLedOn )			
+				pLed->BlinkingLedState = LED_OFF; 			
+			else			
+				pLed->BlinkingLedState = LED_ON;
+
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+			break;
+
+		case LED_BLINK_WPS_STOP_OVERLAP:	
+			pLed->BlinkTimes--;
+			if(pLed->BlinkTimes == 0)
+			{
+				if(pLed->bLedOn)
+				{
+					pLed->BlinkTimes = 1;							
+				}
+				else
+				{
+					bStopBlinking = TRUE;
+				}
+			}
+
+			if(bStopBlinking)
+			{				
+				pLed->BlinkTimes = 10;			
+				pLed->BlinkingLedState = LED_ON;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LINK_INTERVAL_ALPHA));
+			}
+			else
+			{
+				if( pLed->bLedOn )			
+					pLed->BlinkingLedState = LED_OFF;			
+				else			
+					pLed->BlinkingLedState = LED_ON;
+
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+			}
+			break;
+
+					
+		default:
+			break;
+	}
+
+	RT_TRACE(COMP_LED, "SwLedBlink4 CurrLedState %d\n", pLed->CurrLedState);
+
+
+}
+
+void
+SwLedBlink5(
+	PLED_819xUsb			pLed
+	)
+{
+	struct net_device 	*dev = (struct net_device *)(pLed->dev); 
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	bool bStopBlinking = FALSE;
+
+	if( pLed->BlinkingLedState == LED_ON ) 
+	{
+		SwLedOn(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn on\n", pLed->BlinkTimes);
+	}
+	else 
+	{
+		SwLedOff(dev, pLed);
+		RT_TRACE(COMP_LED, "Blinktimes (%d): turn off\n", pLed->BlinkTimes);
+	}
+
+	switch(pLed->CurrLedState)
+	{
+		case LED_SCAN_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+				{
+					pLed->CurrLedState = LED_OFF;
+					pLed->BlinkingLedState = LED_OFF; 									
+					if(pLed->bLedOn)				
+						SwLedOff(dev, pLed);
+				}
+				else 
+				{		pLed->CurrLedState = LED_ON;
+						pLed->BlinkingLedState = LED_ON;					
+						if(!pLed->bLedOn)
+							mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+				}
+
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+				}
+			}
+			break;
+
+	
+		case LED_TXRX_BLINK:
+			pLed->BlinkTimes--;
+			if( pLed->BlinkTimes == 0 )
+			{
+				bStopBlinking = TRUE;
+			}
+			
+			if(bStopBlinking)
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+				{
+					pLed->CurrLedState = LED_OFF;
+					pLed->BlinkingLedState = LED_OFF; 									
+					if(pLed->bLedOn)
+						SwLedOff(dev, pLed);
+				}
+				else
+				{
+					pLed->CurrLedState = LED_ON;
+					pLed->BlinkingLedState = LED_ON; 					
+					if(!pLed->bLedOn)
+						mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+				}				
+
+				pLed->bLedBlinkInProgress = FALSE;	
+			}
+			else
+			{
+				if( priv->ieee80211->eRFPowerState != eRfOn && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+				{
+					SwLedOff(dev, pLed);
+				}
+				else
+				{
+					 if( pLed->bLedOn )
+						pLed->BlinkingLedState = LED_OFF; 
+					else
+						pLed->BlinkingLedState = LED_ON;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+				}
+			}
+			break;
+					
+		default:
+			break;
+	}
+
+	RT_TRACE(COMP_LED, "SwLedBlink5 CurrLedState %d\n", pLed->CurrLedState);
+
+
+}
+
+
+void
+BlinkTimerCallback(
+	unsigned long data
+	)
+{
+	struct net_device 	*dev = (struct net_device *)data;
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+	schedule_work(&(priv->BlinkWorkItem));
+#endif
+}
+
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
+void BlinkWorkItemCallback(struct work_struct *work)
+{
+	struct r8192_priv *priv = container_of(work, struct r8192_priv, BlinkWorkItem);
+#else
+void BlinkWorkItemCallback(void * Context)
+{
+	struct net_device *dev = (struct net_device *)Context;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+#endif
+
+	PLED_819xUsb	 pLed = priv->pLed;
+
+	switch(priv->LedStrategy)
+	{
+		case SW_LED_MODE0:
+			SwLedBlink(pLed);
+			break;
+		
+		case SW_LED_MODE1:
+			SwLedBlink1(pLed);
+			break;
+		
+		case SW_LED_MODE2:
+			SwLedBlink2(pLed);
+			break;
+			
+		case SW_LED_MODE3:
+			SwLedBlink3(pLed);
+			break;
+
+		case SW_LED_MODE4:
+			SwLedBlink4(pLed);
+			break;			
+
+		case SW_LED_MODE5:
+			SwLedBlink5(pLed);
+			break;
+
+		default:
+			SwLedBlink(pLed);
+			break;
+	}
+}
+
+
+
+
+void
+SwLedControlMode0(
+	struct net_device 		*dev,
+	LED_CTL_MODE		LedAction
+)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	PLED_819xUsb	pLed = &(priv->SwLed1);
+
+	switch(LedAction)
+	{
+	case LED_CTL_TX:
+	case LED_CTL_RX:
+		if( pLed->bLedBlinkInProgress == FALSE )
+		{
+			pLed->bLedBlinkInProgress = TRUE;
+
+			pLed->CurrLedState = LED_BLINK_NORMAL;
+			pLed->BlinkTimes = 2;
+
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON; 
+			mod_timer(&(pLed->BlinkTimer),  jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+		}
+		break;
+
+	case LED_CTL_START_TO_LINK:
+		if( pLed->bLedBlinkInProgress == FALSE )
+		{
+			pLed->bLedBlinkInProgress = TRUE;
+
+			pLed->CurrLedState = LED_BLINK_StartToBlink;
+			pLed->BlinkTimes = 24;
+
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON; 
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SLOWLY_INTERVAL));
+		}
+		else
+		{
+			pLed->CurrLedState = LED_BLINK_StartToBlink;
+		}	
+		break;
+		
+	case LED_CTL_LINK:
+		pLed->CurrLedState = LED_ON;
+		if( pLed->bLedBlinkInProgress == FALSE )
+		{
+			SwLedOn(dev, pLed);
+		}
+		break;
+
+	case LED_CTL_NO_LINK:
+		pLed->CurrLedState = LED_OFF;
+		if( pLed->bLedBlinkInProgress == FALSE )
+		{
+			SwLedOff(dev, pLed);
+		}
+		break;
+	
+	case LED_CTL_POWER_OFF:
+		pLed->CurrLedState = LED_OFF;
+		if(pLed->bLedBlinkInProgress)
+		{
+			del_timer_sync(&(pLed->BlinkTimer));
+			pLed->bLedBlinkInProgress = FALSE;
+		}
+		SwLedOff(dev, pLed);
+		break;
+
+	case LED_CTL_START_WPS:
+		if( pLed->bLedBlinkInProgress == FALSE || pLed->CurrLedState == LED_ON)
+		{
+			pLed->bLedBlinkInProgress = TRUE;
+
+			pLed->CurrLedState = LED_BLINK_WPS;
+			pLed->BlinkTimes = 20;
+
+			if( pLed->bLedOn )
+			{
+				pLed->BlinkingLedState = LED_OFF; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LONG_INTERVAL));
+			}
+			else
+			{
+				pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LONG_INTERVAL));
+			}
+		}
+		break;
+
+	case LED_CTL_STOP_WPS:
+		if(pLed->bLedBlinkInProgress)
+		{
+			pLed->CurrLedState = LED_OFF;
+			del_timer_sync(&(pLed->BlinkTimer));
+			pLed->bLedBlinkInProgress = FALSE;
+		}
+		break;
+		
+
+	default:
+		break;
+	}
+	
+	RT_TRACE(COMP_LED, "Led %d\n", pLed->CurrLedState);
+	
+}
+
+void
+SwLedControlMode1(
+	struct net_device 		*dev,
+	LED_CTL_MODE		LedAction
+)
+{
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	PLED_819xUsb 	pLed = &(priv->SwLed0);
+
+	if(priv->CustomerID == RT_CID_819x_CAMEO)
+		pLed = &(priv->SwLed1);
+	
+	switch(LedAction)
+	{		
+		case LED_CTL_START_TO_LINK:	
+		case LED_CTL_NO_LINK:
+			if( pLed->bLedNoLinkBlinkInProgress == FALSE )
+			{
+				if(pLed->CurrLedState == LED_SCAN_BLINK || IS_LED_WPS_BLINKING(pLed))
+				{
+					return;
+				}
+				if( pLed->bLedLinkBlinkInProgress == TRUE )
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedLinkBlinkInProgress = FALSE;
+				}
+	 			if(pLed->bLedBlinkInProgress ==TRUE)
+				{	
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+	 			}
+				
+				pLed->bLedNoLinkBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_BLINK_SLOWLY;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+			}
+			break;		
+
+		case LED_CTL_LINK:
+			if( pLed->bLedLinkBlinkInProgress == FALSE )
+			{
+				if(pLed->CurrLedState == LED_SCAN_BLINK || IS_LED_WPS_BLINKING(pLed))
+				{
+					return;
+				}
+				if(pLed->bLedNoLinkBlinkInProgress == TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedNoLinkBlinkInProgress = FALSE;
+				}
+				if(pLed->bLedBlinkInProgress ==TRUE)
+				{	
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+	 			}
+				pLed->bLedLinkBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_BLINK_NORMAL;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_LINK_INTERVAL_ALPHA));
+			}
+			break;
+
+		case LED_CTL_SITE_SURVEY:
+			 if((priv->ieee80211->LinkDetectInfo.bBusyTraffic) && (priv->ieee80211->state == IEEE80211_LINKED))
+			 	;		 
+			 else if(pLed->bLedScanBlinkInProgress ==FALSE)
+			 {
+			 	if(IS_LED_WPS_BLINKING(pLed))
+					return;
+				
+	  			if(pLed->bLedNoLinkBlinkInProgress == TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedNoLinkBlinkInProgress = FALSE;
+				}
+				if( pLed->bLedLinkBlinkInProgress == TRUE )
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					 pLed->bLedLinkBlinkInProgress = FALSE;
+				}
+	 			if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				pLed->bLedScanBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_SCAN_BLINK;
+				pLed->BlinkTimes = 24;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+
+			 }
+			break;
+		
+		case LED_CTL_TX:
+		case LED_CTL_RX:
+	 		if(pLed->bLedBlinkInProgress ==FALSE)
+	  		{
+                            if(pLed->CurrLedState == LED_SCAN_BLINK || IS_LED_WPS_BLINKING(pLed))
+                            {
+                            }
+                            if(pLed->bLedNoLinkBlinkInProgress == TRUE)
+                            {
+                                del_timer_sync(&(pLed->BlinkTimer));
+                                pLed->bLedNoLinkBlinkInProgress = FALSE;
+                            }
+                            if( pLed->bLedLinkBlinkInProgress == TRUE )
+                            {
+                                del_timer_sync(&(pLed->BlinkTimer));
+                                pLed->bLedLinkBlinkInProgress = FALSE;
+                            }
+                            pLed->bLedBlinkInProgress = TRUE;
+                            pLed->CurrLedState = LED_TXRX_BLINK;
+                            pLed->BlinkTimes = 2;
+                            if( pLed->bLedOn )
+                                pLed->BlinkingLedState = LED_OFF; 
+                            else
+                                pLed->BlinkingLedState = LED_ON; 
+                            mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+			}
+			break;
+
+		case LED_CTL_START_WPS: 
+		case LED_CTL_START_WPS_BOTTON:
+			 if(pLed->bLedWPSBlinkInProgress ==FALSE)
+			 {
+				if(pLed->bLedNoLinkBlinkInProgress == TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedNoLinkBlinkInProgress = FALSE;
+				}
+				if( pLed->bLedLinkBlinkInProgress == TRUE )
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					 pLed->bLedLinkBlinkInProgress = FALSE;
+				}
+				if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				if(pLed->bLedScanBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedScanBlinkInProgress = FALSE;
+				}				
+				pLed->bLedWPSBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_BLINK_WPS;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+			
+			 }
+			break;
+
+		
+		case LED_CTL_STOP_WPS:
+			if(pLed->bLedNoLinkBlinkInProgress == TRUE)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedNoLinkBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedLinkBlinkInProgress == TRUE )
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				 pLed->bLedLinkBlinkInProgress = FALSE;
+			}
+			if(pLed->bLedBlinkInProgress ==TRUE)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedBlinkInProgress = FALSE;
+			}
+			if(pLed->bLedScanBlinkInProgress ==TRUE)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}			
+			if(pLed->bLedWPSBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));							
+			}
+			else
+			{
+				pLed->bLedWPSBlinkInProgress = TRUE;
+			}
+			
+			pLed->CurrLedState = LED_BLINK_WPS_STOP;
+			if(pLed->bLedOn)
+			{
+				pLed->BlinkingLedState = LED_OFF; 			
+				mod_timer(&(pLed->BlinkTimer),  jiffies + MSECS(LED_BLINK_WPS_SUCESS_INTERVAL_ALPHA));				
+			}
+			else
+			{
+				pLed->BlinkingLedState = LED_ON; 						
+				mod_timer(&(pLed->BlinkTimer), 0);
+			}					
+			break;		
+
+		case LED_CTL_STOP_WPS_FAIL:			
+			if(pLed->bLedWPSBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));							
+				pLed->bLedWPSBlinkInProgress = FALSE;				
+			}			
+
+			pLed->bLedNoLinkBlinkInProgress = TRUE;
+			pLed->CurrLedState = LED_BLINK_SLOWLY;
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON; 
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));			
+			break;				
+
+		case LED_CTL_POWER_OFF:
+			pLed->CurrLedState = LED_OFF;
+			if( pLed->bLedNoLinkBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedNoLinkBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedLinkBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedLinkBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedWPSBlinkInProgress )
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedWPSBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedScanBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}			
+				
+			SwLedOff(dev, pLed);
+			break;
+			
+		default:
+			break;
+
+	}
+
+	RT_TRACE(COMP_LED, "Led %d\n", pLed->CurrLedState);
+}
+
+void
+SwLedControlMode2(
+	struct net_device 		*dev,
+	LED_CTL_MODE		LedAction
+)
+{
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	PLED_819xUsb 	pLed = &(priv->SwLed0);
+	
+	switch(LedAction)
+	{		
+		case LED_CTL_SITE_SURVEY:
+			 if(priv->ieee80211->LinkDetectInfo.bBusyTraffic)
+			 	;		 
+			 else if(pLed->bLedScanBlinkInProgress ==FALSE)
+			 {
+			 	if(IS_LED_WPS_BLINKING(pLed))
+					return;
+			 
+	 			if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				pLed->bLedScanBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_SCAN_BLINK;
+				pLed->BlinkTimes = 24;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+
+			 }
+			break;
+		
+		case LED_CTL_TX:
+		case LED_CTL_RX:
+	 		if((pLed->bLedBlinkInProgress ==FALSE) && (priv->ieee80211->state == IEEE80211_LINKED))
+	  		{
+	  		  	if(pLed->CurrLedState == LED_SCAN_BLINK || IS_LED_WPS_BLINKING(pLed))
+				{
+					return;
+				}
+
+				pLed->bLedBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_TXRX_BLINK;
+				pLed->BlinkTimes = 2;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+			}
+			break;
+
+		case LED_CTL_LINK:
+			pLed->CurrLedState = LED_ON;
+			pLed->BlinkingLedState = LED_ON;
+			if( pLed->bLedBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedScanBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}			
+
+			mod_timer(&(pLed->BlinkTimer), 0);
+			break;			
+
+		case LED_CTL_START_WPS: 
+		case LED_CTL_START_WPS_BOTTON:		
+			if(pLed->bLedWPSBlinkInProgress ==FALSE)
+			{
+				if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				if(pLed->bLedScanBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedScanBlinkInProgress = FALSE;
+				}				
+				pLed->bLedWPSBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_ON;
+				pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), 0);			
+			 }			
+			break;
+			
+		case LED_CTL_STOP_WPS:
+			pLed->bLedWPSBlinkInProgress = FALSE;			
+			if( priv->ieee80211->eRFPowerState != eRfOn )
+			{
+				SwLedOff(dev, pLed);
+			}
+			else
+			{
+				pLed->CurrLedState = LED_ON;
+				pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), 0);
+				RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);
+			}
+			break;
+			
+		case LED_CTL_STOP_WPS_FAIL:			
+			pLed->bLedWPSBlinkInProgress = FALSE;			
+			if( priv->ieee80211->eRFPowerState != eRfOn )
+			{
+				SwLedOff(dev, pLed);
+			}
+			else 
+			{
+				pLed->CurrLedState = LED_OFF;
+				pLed->BlinkingLedState = LED_OFF; 
+				mod_timer(&(pLed->BlinkTimer), 0);
+				RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState); 				
+			}	
+			break;				
+
+		case LED_CTL_START_TO_LINK: 
+		case LED_CTL_NO_LINK:
+			if(!IS_LED_BLINKING(pLed))
+			{
+				pLed->CurrLedState = LED_OFF;
+				pLed->BlinkingLedState = LED_OFF;				
+				mod_timer(&(pLed->BlinkTimer), 0);				
+			}
+			break;
+			
+		case LED_CTL_POWER_OFF:
+			pLed->CurrLedState = LED_OFF;
+			pLed->BlinkingLedState = LED_OFF;
+			if( pLed->bLedBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedScanBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}			
+			if( pLed->bLedWPSBlinkInProgress )
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedWPSBlinkInProgress = FALSE;
+			}
+
+			mod_timer(&(pLed->BlinkTimer), 0);
+			break;
+			
+		default:
+			break;
+
+	}
+
+	RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);
+}
+
+ void
+ SwLedControlMode3(
+	struct net_device 		*dev,
+	LED_CTL_MODE		LedAction
+)
+{
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	PLED_819xUsb pLed = &(priv->SwLed0);
+	
+	switch(LedAction)
+	{		
+		case LED_CTL_SITE_SURVEY:
+			 if(priv->ieee80211->LinkDetectInfo.bBusyTraffic)
+			 	;		 
+			 else if(pLed->bLedScanBlinkInProgress ==FALSE)
+			 {
+			 	if(IS_LED_WPS_BLINKING(pLed))
+					return;
+			 
+	 			if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				pLed->bLedScanBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_SCAN_BLINK;
+				pLed->BlinkTimes = 24;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+
+			 }
+			break;
+		
+		case LED_CTL_TX:
+		case LED_CTL_RX:
+	 		if((pLed->bLedBlinkInProgress ==FALSE) && (priv->ieee80211->state == IEEE80211_LINKED))
+	  		{
+	  		  	if(pLed->CurrLedState == LED_SCAN_BLINK || IS_LED_WPS_BLINKING(pLed))
+				{
+					return;
+				}
+
+				pLed->bLedBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_TXRX_BLINK;
+				pLed->BlinkTimes = 2;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+			}
+			break;
+
+		case LED_CTL_LINK:
+			if(IS_LED_WPS_BLINKING(pLed))
+				return;
+			
+			pLed->CurrLedState = LED_ON;
+			pLed->BlinkingLedState = LED_ON;
+			if( pLed->bLedBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedScanBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}			
+
+			mod_timer(&(pLed->BlinkTimer), 0);
+			break;			
+
+		case LED_CTL_START_WPS: 
+		case LED_CTL_START_WPS_BOTTON:		
+			if(pLed->bLedWPSBlinkInProgress ==FALSE)
+			{
+				if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				if(pLed->bLedScanBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedScanBlinkInProgress = FALSE;
+				}				
+				pLed->bLedWPSBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_BLINK_WPS;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON; 
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+			
+			 }			
+			break;
+			
+		case LED_CTL_STOP_WPS:			
+			if(pLed->bLedWPSBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));							
+				pLed->bLedWPSBlinkInProgress = FALSE;				
+			}						
+			else
+			{
+				pLed->bLedWPSBlinkInProgress = TRUE;
+			}
+				
+			pLed->CurrLedState = LED_BLINK_WPS_STOP;
+			if(pLed->bLedOn)
+			{
+				pLed->BlinkingLedState = LED_OFF;			
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_WPS_SUCESS_INTERVAL_ALPHA));				
+			}
+			else
+			{
+				pLed->BlinkingLedState = LED_ON;						
+				mod_timer(&(pLed->BlinkTimer), 0);
+			}					
+
+			break;		
+
+			
+		case LED_CTL_STOP_WPS_FAIL:			
+			if(pLed->bLedWPSBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));							
+				pLed->bLedWPSBlinkInProgress = FALSE;				
+			}			
+
+			pLed->CurrLedState = LED_OFF;
+			pLed->BlinkingLedState = LED_OFF;				
+			mod_timer(&(pLed->BlinkTimer), 0);				
+			break;				
+
+		case LED_CTL_START_TO_LINK: 
+		case LED_CTL_NO_LINK:
+			if(!IS_LED_BLINKING(pLed))
+			{
+				pLed->CurrLedState = LED_OFF;
+				pLed->BlinkingLedState = LED_OFF;				
+				mod_timer(&(pLed->BlinkTimer), 0);				
+			}
+			break;
+			
+		case LED_CTL_POWER_OFF:
+			pLed->CurrLedState = LED_OFF;
+			pLed->BlinkingLedState = LED_OFF;
+			if( pLed->bLedBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedScanBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}			
+			if( pLed->bLedWPSBlinkInProgress )
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedWPSBlinkInProgress = FALSE;
+			}
+
+			mod_timer(&(pLed->BlinkTimer), 0);
+			break;
+			
+		default:
+			break;
+
+	}
+
+	RT_TRACE(COMP_LED, "CurrLedState %d\n", pLed->CurrLedState);
+}
+
+
+void
+SwLedControlMode4(
+	struct net_device 		*dev,
+	LED_CTL_MODE		LedAction
+)
+{
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	PLED_819xUsb pLed = &(priv->SwLed0);
+	PLED_819xUsb pLed1 = &(priv->SwLed1);
+	
+	switch(LedAction)
+	{		
+		case LED_CTL_START_TO_LINK:	
+				if(pLed1->bLedWPSBlinkInProgress)
+				{
+					pLed1->bLedWPSBlinkInProgress = FALSE;
+					del_timer_sync(&(pLed1->BlinkTimer));
+			
+					pLed1->BlinkingLedState = LED_OFF;
+					pLed1->CurrLedState = LED_OFF;
+
+					if(pLed1->bLedOn)
+						mod_timer(&(pLed1->BlinkTimer), 0);
+				}
+				
+			if( pLed->bLedStartToLinkBlinkInProgress == FALSE )
+			{
+				if(pLed->CurrLedState == LED_SCAN_BLINK || IS_LED_WPS_BLINKING(pLed))
+				{
+					return;
+				}
+	 			if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+	 			}
+	 			if(pLed->bLedNoLinkBlinkInProgress ==TRUE)
+				{	
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedNoLinkBlinkInProgress = FALSE;
+	 			}				
+				
+				pLed->bLedStartToLinkBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_BLINK_StartToBlink;
+				if( pLed->bLedOn )
+				{
+					pLed->BlinkingLedState = LED_OFF;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SLOWLY_INTERVAL));
+				}
+				else
+				{
+					pLed->BlinkingLedState = LED_ON;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+				}
+			}
+			break;		
+
+		case LED_CTL_LINK:			
+		case LED_CTL_NO_LINK:
+			if(LedAction == LED_CTL_LINK)
+			{
+				if(pLed1->bLedWPSBlinkInProgress)
+				{
+					pLed1->bLedWPSBlinkInProgress = FALSE;
+					del_timer_sync(&(pLed1->BlinkTimer));
+			
+					pLed1->BlinkingLedState = LED_OFF;
+					pLed1->CurrLedState = LED_OFF;
+
+					if(pLed1->bLedOn)
+						mod_timer(&(pLed1->BlinkTimer), 0);
+				}				
+			}
+			
+			if( pLed->bLedNoLinkBlinkInProgress == FALSE )
+			{
+				if(pLed->CurrLedState == LED_SCAN_BLINK || IS_LED_WPS_BLINKING(pLed))
+				{
+					return;
+				}
+	 			if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+	 			}
+				
+				pLed->bLedNoLinkBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_BLINK_SLOWLY;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+			}
+			
+			break;		
+
+		case LED_CTL_SITE_SURVEY:
+			 if((priv->ieee80211->LinkDetectInfo.bBusyTraffic) && (priv->ieee80211->state == IEEE80211_LINKED))
+			 	;		 
+			 else if(pLed->bLedScanBlinkInProgress ==FALSE)
+			 {
+			 	if(IS_LED_WPS_BLINKING(pLed))
+					return;
+				
+	  			if(pLed->bLedNoLinkBlinkInProgress == TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedNoLinkBlinkInProgress = FALSE;
+				}
+	 			if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				pLed->bLedScanBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_SCAN_BLINK;
+				pLed->BlinkTimes = 24;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+
+			 }
+			break;
+		
+		case LED_CTL_TX:
+		case LED_CTL_RX:
+	 		if(pLed->bLedBlinkInProgress ==FALSE)
+	  		{
+	  		  	if(pLed->CurrLedState == LED_SCAN_BLINK || IS_LED_WPS_BLINKING(pLed))
+				{
+					return;
+				}
+	  		  	if(pLed->bLedNoLinkBlinkInProgress == TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedNoLinkBlinkInProgress = FALSE;
+				}
+				pLed->bLedBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_TXRX_BLINK;
+				pLed->BlinkTimes = 2;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+			}
+			break;
+
+		case LED_CTL_START_WPS: 
+		case LED_CTL_START_WPS_BOTTON:
+			if(pLed1->bLedWPSBlinkInProgress)
+			{
+				pLed1->bLedWPSBlinkInProgress = FALSE;
+				del_timer_sync(&(pLed1->BlinkTimer));
+			
+				pLed1->BlinkingLedState = LED_OFF;
+				pLed1->CurrLedState = LED_OFF;
+
+				if(pLed1->bLedOn)
+					mod_timer(&(pLed1->BlinkTimer), 0);
+			}
+				
+			if(pLed->bLedWPSBlinkInProgress ==FALSE)
+			{
+				if(pLed->bLedNoLinkBlinkInProgress == TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedNoLinkBlinkInProgress = FALSE;
+				}
+				if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				if(pLed->bLedScanBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedScanBlinkInProgress = FALSE;
+				}				
+				pLed->bLedWPSBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_BLINK_WPS;
+				if( pLed->bLedOn )
+				{
+					pLed->BlinkingLedState = LED_OFF;
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SLOWLY_INTERVAL));
+				}
+				else
+				{
+					pLed->BlinkingLedState = LED_ON; 
+					mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+				}
+			
+			 }
+			break;
+		
+		case LED_CTL_STOP_WPS:	
+			if(pLed->bLedWPSBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedWPSBlinkInProgress = FALSE;								
+			}
+
+			pLed->bLedNoLinkBlinkInProgress = TRUE;
+			pLed->CurrLedState = LED_BLINK_SLOWLY;
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON;
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+				
+			break;		
+
+		case LED_CTL_STOP_WPS_FAIL:		
+			if(pLed->bLedWPSBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedWPSBlinkInProgress = FALSE;				
+			}			
+
+			pLed->bLedNoLinkBlinkInProgress = TRUE;
+			pLed->CurrLedState = LED_BLINK_SLOWLY;
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON;
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+
+			if(pLed1->bLedWPSBlinkInProgress)
+				del_timer_sync(&(pLed1->BlinkTimer));
+			else	
+				pLed1->bLedWPSBlinkInProgress = TRUE;				
+
+			pLed1->CurrLedState = LED_BLINK_WPS_STOP;
+			if( pLed1->bLedOn )
+				pLed1->BlinkingLedState = LED_OFF; 
+			else
+				pLed1->BlinkingLedState = LED_ON;
+			mod_timer(&(pLed1->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+						
+			break;				
+
+		case LED_CTL_STOP_WPS_FAIL_OVERLAP:	
+			if(pLed->bLedWPSBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedWPSBlinkInProgress = FALSE;								
+			}
+			
+			pLed->bLedNoLinkBlinkInProgress = TRUE;
+			pLed->CurrLedState = LED_BLINK_SLOWLY;
+			if( pLed->bLedOn )
+				pLed->BlinkingLedState = LED_OFF; 
+			else
+				pLed->BlinkingLedState = LED_ON;
+			mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
+
+			if(pLed1->bLedWPSBlinkInProgress)
+				del_timer_sync(&(pLed1->BlinkTimer));
+			else	
+				pLed1->bLedWPSBlinkInProgress = TRUE;				
+
+			pLed1->CurrLedState = LED_BLINK_WPS_STOP_OVERLAP;
+			pLed1->BlinkTimes = 10;
+			if( pLed1->bLedOn )
+				pLed1->BlinkingLedState = LED_OFF; 
+			else
+				pLed1->BlinkingLedState = LED_ON;
+			mod_timer(&(pLed1->BlinkTimer), jiffies + MSECS(LED_BLINK_NORMAL_INTERVAL));
+			
+			break;
+
+		case LED_CTL_POWER_OFF:
+			pLed->CurrLedState = LED_OFF;
+			pLed->BlinkingLedState = LED_OFF; 
+			
+			if( pLed->bLedNoLinkBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedNoLinkBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedLinkBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedLinkBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedWPSBlinkInProgress )
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedWPSBlinkInProgress = FALSE;
+			}
+			if( pLed->bLedScanBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedScanBlinkInProgress = FALSE;
+			}	
+			if( pLed->bLedStartToLinkBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedStartToLinkBlinkInProgress = FALSE;
+			}			
+
+			if( pLed1->bLedWPSBlinkInProgress )
+			{
+				del_timer_sync(&(pLed1->BlinkTimer));
+				pLed1->bLedWPSBlinkInProgress = FALSE;
+			}
+
+
+			pLed1->BlinkingLedState = LED_UNKNOWN;				
+			SwLedOff(dev, pLed);
+			SwLedOff(dev, pLed1);			
+			break;
+			
+		default:
+			break;
+
+	}
+
+	RT_TRACE(COMP_LED, "Led %d\n", pLed->CurrLedState);
+}
+
+
+
+void
+SwLedControlMode5(
+	struct net_device 		*dev,
+	LED_CTL_MODE		LedAction
+)
+{
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	PLED_819xUsb pLed = &(priv->SwLed0);
+
+	if(priv->CustomerID == RT_CID_819x_CAMEO)
+		pLed = &(priv->SwLed1);
+	
+	switch(LedAction)
+	{		
+		case LED_CTL_POWER_ON:
+		case LED_CTL_NO_LINK:
+		case LED_CTL_LINK: 	
+			if(pLed->CurrLedState == LED_SCAN_BLINK)
+			{
+				return;
+			}		
+			pLed->CurrLedState = LED_ON;
+			pLed->BlinkingLedState = LED_ON; 
+			pLed->bLedBlinkInProgress = FALSE;
+			mod_timer(&(pLed->BlinkTimer), 0);
+			break;
+
+		case LED_CTL_SITE_SURVEY:
+			 if((priv->ieee80211->LinkDetectInfo.bBusyTraffic) && (priv->ieee80211->state == IEEE80211_LINKED))
+			 	;		 
+			 else if(pLed->bLedScanBlinkInProgress ==FALSE)
+			 {				
+	 			if(pLed->bLedBlinkInProgress ==TRUE)
+				{
+					del_timer_sync(&(pLed->BlinkTimer));
+					pLed->bLedBlinkInProgress = FALSE;
+				}
+				pLed->bLedScanBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_SCAN_BLINK;
+				pLed->BlinkTimes = 24;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_SCAN_INTERVAL_ALPHA));
+
+			 }
+			break;
+		
+		case LED_CTL_TX:
+		case LED_CTL_RX:
+	 		if(pLed->bLedBlinkInProgress ==FALSE)
+	  		{
+	  		  	if(pLed->CurrLedState == LED_SCAN_BLINK)
+				{
+					return;
+				}			
+				pLed->bLedBlinkInProgress = TRUE;
+				pLed->CurrLedState = LED_TXRX_BLINK;
+				pLed->BlinkTimes = 2;
+				if( pLed->bLedOn )
+					pLed->BlinkingLedState = LED_OFF; 
+				else
+					pLed->BlinkingLedState = LED_ON;
+				mod_timer(&(pLed->BlinkTimer), jiffies + MSECS(LED_BLINK_FASTER_INTERVAL_ALPHA));
+			}
+			break;				
+
+		case LED_CTL_POWER_OFF:
+			pLed->CurrLedState = LED_OFF;
+			pLed->BlinkingLedState = LED_OFF; 
+
+			if( pLed->bLedBlinkInProgress)
+			{
+				del_timer_sync(&(pLed->BlinkTimer));
+				pLed->bLedBlinkInProgress = FALSE;
+			}			
+				
+			SwLedOff(dev, pLed);
+			break;
+			
+		default:
+			break;
+
+	}
+
+	RT_TRACE(COMP_LED, "Led %d\n", pLed->CurrLedState);
+}
+
+
+void
+LedControl8192SUsb(
+	struct net_device 		*dev,
+	LED_CTL_MODE		LedAction
+	)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+
+	if( priv->bRegUseLed == FALSE)
+		return;
+
+	if (!priv->up)
+		return;
+
+	if(priv->bInHctTest)
+		return;
+	
+	if(	priv->ieee80211->eRFPowerState != eRfOn && 
+		(LedAction == LED_CTL_TX || LedAction == LED_CTL_RX || 
+		 LedAction == LED_CTL_SITE_SURVEY || 
+		 LedAction == LED_CTL_LINK || 
+		 LedAction == LED_CTL_NO_LINK ||
+		 LedAction == LED_CTL_POWER_ON) )
+	{
+		return;
+	}
+	
+	switch(priv->LedStrategy)
+	{
+		case SW_LED_MODE0:
+			break;
+
+		case SW_LED_MODE1:
+			SwLedControlMode1(dev, LedAction);
+			break;
+		case SW_LED_MODE2:
+	                SwLedControlMode2(dev, LedAction);
+                	break;
+
+		case SW_LED_MODE3:
+			SwLedControlMode3(dev, LedAction);
+			break;	
+
+		case SW_LED_MODE4:
+			SwLedControlMode4(dev, LedAction);
+			break;			
+
+		case SW_LED_MODE5:
+			SwLedControlMode5(dev, LedAction);
+			break;
+
+		default:
+			break;
+	}
+	
+	RT_TRACE(COMP_LED, "LedStrategy:%d, LedAction %d\n", priv->LedStrategy,LedAction);
+}
+
+
diff --git a/drivers/staging/rtl8192su/r8192SU_led.h b/drivers/staging/rtl8192su/r8192SU_led.h
new file mode 100644
index 00000000000..acedae4a59c
--- /dev/null
+++ b/drivers/staging/rtl8192su/r8192SU_led.h
@@ -0,0 +1,93 @@
+/******************************************************************************
+ * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+******************************************************************************/
+#ifndef __INC_HAL8192USBLED_H
+#define __INC_HAL8192USBLED_H
+
+#include <linux/types.h>
+#include <linux/timer.h>
+
+typedef	enum _LED_STATE_819xUsb{
+	LED_UNKNOWN = 0,
+	LED_ON = 1,
+	LED_OFF = 2,
+	LED_BLINK_NORMAL = 3,
+	LED_BLINK_SLOWLY = 4,
+	LED_POWER_ON_BLINK = 5,
+	LED_SCAN_BLINK = 6, 
+	LED_NO_LINK_BLINK = 7, 
+	LED_BLINK_StartToBlink = 8,
+	LED_BLINK_WPS = 9,	
+	LED_TXRX_BLINK = 10,
+	LED_BLINK_WPS_STOP = 11,	
+	LED_BLINK_WPS_STOP_OVERLAP = 12,	
+	
+}LED_STATE_819xUsb;
+
+#define IS_LED_WPS_BLINKING(_LED_819xUsb)	(((PLED_819xUsb)_LED_819xUsb)->CurrLedState==LED_BLINK_WPS \
+												|| ((PLED_819xUsb)_LED_819xUsb)->CurrLedState==LED_BLINK_WPS_STOP \
+												|| ((PLED_819xUsb)_LED_819xUsb)->bLedWPSBlinkInProgress)
+
+#define IS_LED_BLINKING(_LED_819xUsb) 	(((PLED_819xUsb)_LED_819xUsb)->bLedWPSBlinkInProgress \
+											||((PLED_819xUsb)_LED_819xUsb)->bLedScanBlinkInProgress)
+
+typedef enum _LED_PIN_819xUsb{
+	LED_PIN_GPIO0,
+	LED_PIN_LED0,
+	LED_PIN_LED1
+}LED_PIN_819xUsb;
+
+typedef	enum _LED_STRATEGY_819xUsb{
+	SW_LED_MODE0, /* SW control 1 LED via GPIO0. It is default option. */
+	SW_LED_MODE1, /* SW control for PCI Express */
+	SW_LED_MODE2, /* SW control for Cameo. */
+	SW_LED_MODE3, /* SW contorl for RunTop. */
+	SW_LED_MODE4, /* SW control for Netcore */
+	SW_LED_MODE5,
+	HW_LED, /* HW control 2 LEDs, LED0 and LED1 (there are 4 different control modes) */
+}LED_STRATEGY_819xUsb, *PLED_STRATEGY_819xUsb;
+
+typedef struct _LED_819xUsb{
+	struct net_device 		*dev;
+
+	LED_PIN_819xUsb		LedPin;	
+
+	LED_STATE_819xUsb	CurrLedState; 
+	bool					bLedOn; 
+
+	bool					bSWLedCtrl;
+
+	bool					bLedBlinkInProgress; 
+	bool					bLedNoLinkBlinkInProgress;
+	bool					bLedLinkBlinkInProgress;
+	bool					bLedStartToLinkBlinkInProgress;
+	bool					bLedScanBlinkInProgress;
+	bool					bLedWPSBlinkInProgress;
+	
+	u32					BlinkTimes; 
+	LED_STATE_819xUsb	BlinkingLedState; 
+
+	struct timer_list		BlinkTimer; 
+} LED_819xUsb, *PLED_819xUsb;
+
+void InitSwLeds(struct net_device *dev);
+void DeInitSwLeds(struct net_device *dev);
+void LedControl8192SUsb(struct net_device *dev,LED_CTL_MODE LedAction);
+
+#endif
+
diff --git a/drivers/staging/rtl8192su/r8192U.h b/drivers/staging/rtl8192su/r8192U.h
index 4112e149a32..eccf4478fba 100644
--- a/drivers/staging/rtl8192su/r8192U.h
+++ b/drivers/staging/rtl8192su/r8192U.h
@@ -43,6 +43,7 @@
 #include "ieee80211/ieee80211.h"
 
 #include "r8192S_firmware.h"
+#include "r8192SU_led.h"
 
 /* EEPROM defs for use with linux/eeprom_93cx6.h */
 #define RTL819X_EEPROM_CMD_READ		(1 << 0)
@@ -1067,19 +1068,6 @@ typedef enum _RT_CUSTOMER_ID
 	RT_CID_PRONET = 13,
 }RT_CUSTOMER_ID, *PRT_CUSTOMER_ID;
 
-//================================================================================
-// LED customization.
-//================================================================================
-
-typedef	enum _LED_STRATEGY_8190{
-	SW_LED_MODE0, // SW control 1 LED via GPIO0. It is default option.
-	SW_LED_MODE1, // SW control for PCI Express
-	SW_LED_MODE2, // SW control for Cameo.
-	SW_LED_MODE3, // SW contorl for RunTop.
-	SW_LED_MODE4, // SW control for Netcore
-	HW_LED, // HW control 2 LEDs, LED0 and LED1 (there are 4 different control modes)
-}LED_STRATEGY_8190, *PLED_STRATEGY_8190;
-
 typedef enum _RESET_TYPE {
 	RESET_TYPE_NORESET = 0x00,
 	RESET_TYPE_NORMAL = 0x01,
@@ -1131,7 +1119,7 @@ typedef struct r8192_priv
 	u8  eeprom_SubCustomerID;
 	u8  eeprom_ChannelPlan;
 	RT_CUSTOMER_ID CustomerID;
-	LED_STRATEGY_8190	LedStrategy;
+	LED_STRATEGY_819xUsb	LedStrategy;
 	u8  txqueue_to_outpipemap[9];
 	u8  RtOutPipes[16];
 	u8  RtInPipes[16];
@@ -1501,8 +1489,17 @@ typedef struct r8192_priv
 	u8 MinSpaceCfg;
 
 	u16 rf_pathmap;
-//#endif
 
+	/* added for led control */
+	PLED_819xUsb			pLed;
+	LED_819xUsb			SwLed0;
+	LED_819xUsb			SwLed1;
+        u8                              bRegUseLed;
+	struct work_struct		BlinkWorkItem; 
+	/* added for led control */
+	u16				FwCmdIOMap;
+	u32				FwCmdIOParam;
+	u8				DMFlag; 
 
 
 

From 3dfe08e6073f40a742fe3e5d6b43ca8184c55722 Mon Sep 17 00:00:00 2001
From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Date: Thu, 13 May 2010 13:55:52 +0200
Subject: [PATCH 1456/3638] Staging: rtl8192su: led update

derived from Realteks driver.
leds are now working.

Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8192su/r8192U_core.c | 27 +++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 70a8087434d..78af0d7141a 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -1219,6 +1219,7 @@ void rtl8192_set_mode(struct net_device *dev,int mode)
 void rtl8192_update_msr(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
+	LED_CTL_MODE LedAction = LED_CTL_NO_LINK;
 	u8 msr;
 
 	msr  = read_nic_byte(dev, MSR);
@@ -1229,19 +1230,23 @@ void rtl8192_update_msr(struct net_device *dev)
 	 * this is intentional and make sense for ad-hoc and
 	 * master (see the create BSS/IBSS func)
 	 */
-	if (priv->ieee80211->state == IEEE80211_LINKED){
+	if (priv->ieee80211->state == IEEE80211_LINKED) {
 
-		if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
+		if (priv->ieee80211->iw_mode == IW_MODE_INFRA) {
 			msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
-		else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+			LedAction = LED_CTL_LINK;
+		} else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 			msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
 		else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 			msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
 
-	}else
+	} else
 		msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
 
 	write_nic_byte(dev, MSR, msr);
+
+	if(priv->ieee80211->LedControlHandler != NULL)
+		priv->ieee80211->LedControlHandler(dev, LedAction);
 }
 
 void rtl8192_set_chan(struct net_device *dev,short ch)
@@ -2154,15 +2159,13 @@ short rtl8192SU_tx(struct net_device *dev, struct sk_buff* skb)
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 	tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
-	//tx_fwinfo_819x_usb *tx_fwinfo = (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);//92su del
 	struct usb_device *udev = priv->udev;
 	int pend;
 	int status;
 	struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
-	//int urb_len;
 	unsigned int idx_pipe;
-	u16		MPDUOverhead = 0;
- 	//RT_DEBUG_DATA(COMP_SEND, tcb_desc, sizeof(cb_desc));
+	u16 MPDUOverhead = 0;
+	u16 type = 0;
 
 	pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
 	/* we are locked here so the two atomic_read and inc are executed
@@ -2359,6 +2362,11 @@ short rtl8192SU_tx(struct net_device *dev, struct sk_buff* skb)
 				    skb->data,
 				    skb->len, rtl8192_tx_isr, skb);
 
+	if (type == IEEE80211_FTYPE_DATA) {
+		if (priv->ieee80211->LedControlHandler != NULL)
+			priv->ieee80211->LedControlHandler(dev, LED_CTL_TX);
+        }
+
 	status = usb_submit_urb(tx_urb, GFP_ATOMIC);
 	if (!status) {
 		/*
@@ -5487,6 +5495,9 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 					priv->ieee80211->current_network.bssid);
 			ieee->is_roaming = true;
 			priv->ieee80211->link_change(dev);
+			if(ieee->LedControlHandler != NULL)
+				ieee->LedControlHandler(ieee->dev,
+							LED_CTL_START_TO_LINK);
 			queue_work(priv->ieee80211->wq,
 				&priv->ieee80211->associate_procedure_wq);
 		}

From fd4dc88e46c4d9dd845ffef50a975ceea110fd85 Mon Sep 17 00:00:00 2001
From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Thu, 13 May 2010 15:56:30 +0000
Subject: [PATCH 1457/3638] staging: hv: Fix error checking in channel.c

Fixed errors in return value checking code, which caused vmbus channel
not functioning.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Cc: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/channel.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c
index 12c351e1636..f047c5a7f64 100644
--- a/drivers/staging/hv/channel.c
+++ b/drivers/staging/hv/channel.c
@@ -204,13 +204,13 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 					   RecvRingBufferSize) >> PAGE_SHIFT;
 
 	ret = RingBufferInit(&NewChannel->Outbound, out, SendRingBufferSize);
-	if (!ret) {
+	if (ret != 0) {
 		err = ret;
 		goto errorout;
 	}
 
 	ret = RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize);
-	if (!ret) {
+	if (ret != 0) {
 		err = ret;
 		goto errorout;
 	}
@@ -228,7 +228,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 					 RecvRingBufferSize,
 					 &NewChannel->RingBufferGpadlHandle);
 
-	if (!ret) {
+	if (ret != 0) {
 		err = ret;
 		goto errorout;
 	}
@@ -569,7 +569,7 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel, void *Kbuffer,
 			ret = VmbusPostMessage(gpadlBody,
 					       subMsgInfo->MessageSize -
 					       sizeof(*subMsgInfo));
-			if (!ret)
+			if (ret != 0)
 				goto Cleanup;
 
 		}

From bbfb56520c8da666383c08220985495ff918d4ad Mon Sep 17 00:00:00 2001
From: "Prashant P. Shah" <pshah.mumbai@gmail.com>
Date: Thu, 13 May 2010 23:08:43 +0530
Subject: [PATCH 1458/3638] Staging: rtl8187se: fixed space style issues in
 r8180_core.c

This is a patch to the r8180_core.c file that fixes the space
style issues found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8187se/r8180_core.c | 1628 ++++++++++++------------
 1 file changed, 809 insertions(+), 819 deletions(-)

diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c
index 84a745bb9ca..37be5aedf52 100644
--- a/drivers/staging/rtl8187se/r8180_core.c
+++ b/drivers/staging/rtl8187se/r8180_core.c
@@ -66,23 +66,23 @@ static int hwseqnum = 0;
 static int hwwep = 0;
 static int channels = 0x3fff;
 
-#define eqMacAddr(a,b)		( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
-#define cpMacAddr(des,src)	      ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5])
+#define eqMacAddr(a, b)		(((a)[0] == (b)[0] && (a)[1] == (b)[1] && (a)[2] == (b)[2] && (a)[3] == (b)[3] && (a)[4] == (b)[4] && (a)[5] == (b)[5]) ? 1 : 0)
+#define cpMacAddr(des, src)		((des)[0] = (src)[0], (des)[1] = (src)[1], (des)[2] = (src)[2], (des)[3] = (src)[3], (des)[4] = (src)[4], (des)[5] = (src)[5])
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, rtl8180_pci_id_tbl);
 MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
 MODULE_DESCRIPTION("Linux driver for Realtek RTL8180 / RTL8185 WiFi cards");
 
 
-module_param(ifname, charp, S_IRUGO|S_IWUSR );
-module_param(hwseqnum,int, S_IRUGO|S_IWUSR);
-module_param(hwwep,int, S_IRUGO|S_IWUSR);
-module_param(channels,int, S_IRUGO|S_IWUSR);
+module_param(ifname, charp, S_IRUGO|S_IWUSR);
+module_param(hwseqnum, int, S_IRUGO|S_IWUSR);
+module_param(hwwep, int, S_IRUGO|S_IWUSR);
+module_param(channels, int, S_IRUGO|S_IWUSR);
 
-MODULE_PARM_DESC(devname," Net interface name, wlan%d=default");
-MODULE_PARM_DESC(hwseqnum," Try to use hardware 802.11 header sequence numbers. Zero=default");
-MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
-MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
+MODULE_PARM_DESC(devname, " Net interface name, wlan%d=default");
+MODULE_PARM_DESC(hwseqnum, " Try to use hardware 802.11 header sequence numbers. Zero=default");
+MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support. Still broken and not available on all cards");
+MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
 
 
 static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
@@ -90,7 +90,7 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 
 static void __devexit rtl8180_pci_remove(struct pci_dev *pdev);
 
-static void rtl8180_shutdown (struct pci_dev *pdev)
+static void rtl8180_shutdown(struct pci_dev *pdev)
 {
 	struct net_device *dev = pci_get_drvdata(pdev);
 	if (dev->netdev_ops->ndo_stop)
@@ -181,19 +181,19 @@ u16 read_nic_word(struct net_device *dev, int x)
 	return readw((u8 *)dev->mem_start + x);
 }
 
-void write_nic_byte(struct net_device *dev, int x,u8 y)
+void write_nic_byte(struct net_device *dev, int x, u8 y)
 {
 	writeb(y, (u8 *)dev->mem_start + x);
 	udelay(20);
 }
 
-void write_nic_dword(struct net_device *dev, int x,u32 y)
+void write_nic_dword(struct net_device *dev, int x, u32 y)
 {
 	writel(y, (u8 *)dev->mem_start + x);
 	udelay(20);
 }
 
-void write_nic_word(struct net_device *dev, int x,u16 y)
+void write_nic_word(struct net_device *dev, int x, u16 y)
 {
 	writew(y, (u8 *)dev->mem_start + x);
 	udelay(20);
@@ -201,7 +201,7 @@ void write_nic_word(struct net_device *dev, int x,u16 y)
 
 inline void force_pci_posting(struct net_device *dev)
 {
-	read_nic_byte(dev,EPROM_CMD);
+	read_nic_byte(dev, EPROM_CMD);
 	mb();
 }
 
@@ -220,7 +220,7 @@ static int proc_get_registers(char *page, char **start,
 {
 	struct net_device *dev = data;
 	int len = 0;
-	int i,n;
+	int i, n;
 	int max = 0xff;
 
 	/* This dump the current register page */
@@ -231,7 +231,7 @@ static int proc_get_registers(char *page, char **start,
 			len += snprintf(page + len, count - len, "%2x ",
 					read_nic_byte(dev, n));
 	}
-	len += snprintf(page + len, count - len,"\n");
+	len += snprintf(page + len, count - len, "\n");
 
 	*eof = 1;
 	return len;
@@ -287,7 +287,7 @@ static int proc_get_stats_tx(char *page, char **start,
 	int len = 0;
 	unsigned long totalOK;
 
-	totalOK=priv->stats.txnpokint+priv->stats.txhpokint+priv->stats.txlpokint;
+	totalOK = priv->stats.txnpokint+priv->stats.txhpokint+priv->stats.txlpokint;
 	len += snprintf(page + len, count - len,
 		"TX OK: %lu\n"
 		"TX Error: %lu\n"
@@ -308,7 +308,7 @@ static int proc_get_stats_tx(char *page, char **start,
 void rtl8180_proc_module_init(void)
 {
 	DMESG("Initializing proc filesystem");
-        rtl8180_proc=create_proc_entry(RTL8180_MODULE_NAME, S_IFDIR, init_net.proc_net);
+	rtl8180_proc = create_proc_entry(RTL8180_MODULE_NAME, S_IFDIR, init_net.proc_net);
 }
 
 void rtl8180_proc_module_remove(void)
@@ -385,81 +385,81 @@ short buffer_add(struct buffer **buffer, u32 *buf, dma_addr_t dma,
 {
 	struct buffer *tmp;
 
-	if(! *buffer){
+	if (!*buffer) {
 
-		*buffer = kmalloc(sizeof(struct buffer),GFP_KERNEL);
+		*buffer = kmalloc(sizeof(struct buffer), GFP_KERNEL);
 
 		if (*buffer == NULL) {
 			DMESGE("Failed to kmalloc head of TX/RX struct");
 			return -1;
 		}
-		(*buffer)->next=*buffer;
-		(*buffer)->buf=buf;
-		(*buffer)->dma=dma;
-		if(bufferhead !=NULL)
+		(*buffer)->next = *buffer;
+		(*buffer)->buf = buf;
+		(*buffer)->dma = dma;
+		if (bufferhead != NULL)
 			(*bufferhead) = (*buffer);
 		return 0;
 	}
-	tmp=*buffer;
+	tmp = *buffer;
 
-	while(tmp->next!=(*buffer)) tmp=tmp->next;
-	tmp->next = kmalloc(sizeof(struct buffer),GFP_KERNEL);
+	while (tmp->next != (*buffer))
+		tmp = tmp->next;
+	tmp->next = kmalloc(sizeof(struct buffer), GFP_KERNEL);
 	if (tmp->next == NULL) {
 		DMESGE("Failed to kmalloc TX/RX struct");
 		return -1;
 	}
-	tmp->next->buf=buf;
-	tmp->next->dma=dma;
-	tmp->next->next=*buffer;
+	tmp->next->buf = buf;
+	tmp->next->dma = dma;
+	tmp->next->next = *buffer;
 
 	return 0;
 }
 
-void buffer_free(struct net_device *dev,struct buffer **buffer,int len,short
-consistent)
+void buffer_free(struct net_device *dev, struct buffer **buffer, int len, short consistent)
 {
 
-	struct buffer *tmp,*next;
+	struct buffer *tmp, *next;
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-	struct pci_dev *pdev=priv->pdev;
+	struct pci_dev *pdev = priv->pdev;
 
 	if (!*buffer)
 		return;
 
 	tmp = *buffer;
 
-	do{
-		next=tmp->next;
-		if(consistent){
-			pci_free_consistent(pdev,len,
-				    tmp->buf,tmp->dma);
-		}else{
+	do {
+		next = tmp->next;
+		if (consistent) {
+			pci_free_consistent(pdev, len,
+				    tmp->buf, tmp->dma);
+		} else {
 			pci_unmap_single(pdev, tmp->dma,
-			len,PCI_DMA_FROMDEVICE);
+			len, PCI_DMA_FROMDEVICE);
 			kfree(tmp->buf);
 		}
 		kfree(tmp);
 		tmp = next;
 	}
-	while(next != *buffer);
+	while (next != *buffer);
 
-	*buffer=NULL;
+	*buffer = NULL;
 }
 
 void print_buffer(u32 *buffer, int len)
 {
 	int i;
-	u8 *buf =(u8*)buffer;
+	u8 *buf = (u8 *)buffer;
 
-	printk("ASCII BUFFER DUMP (len: %x):\n",len);
+	printk("ASCII BUFFER DUMP (len: %x):\n", len);
 
-	for(i=0;i<len;i++)
-		printk("%c",buf[i]);
+	for (i = 0; i < len; i++)
+		printk("%c", buf[i]);
 
-	printk("\nBINARY BUFFER DUMP (len: %x):\n",len);
+	printk("\nBINARY BUFFER DUMP (len: %x):\n", len);
 
-	for(i=0;i<len;i++)
-		printk("%02x",buf[i]);
+	for (i = 0; i < len; i++)
+		printk("%02x", buf[i]);
 
 	printk("\n");
 }
@@ -467,37 +467,37 @@ void print_buffer(u32 *buffer, int len)
 int get_curr_tx_free_desc(struct net_device *dev, int priority)
 {
 	struct r8180_priv *priv = ieee80211_priv(dev);
-	u32* tail;
-	u32* head;
+	u32 *tail;
+	u32 *head;
 	int ret;
 
-	switch (priority){
-		case MANAGE_PRIORITY:
-			head = priv->txmapringhead;
-			tail = priv->txmapringtail;
-			break;
-		case BK_PRIORITY:
-			head = priv->txbkpringhead;
-			tail = priv->txbkpringtail;
-			break;
-		case BE_PRIORITY:
-			head = priv->txbepringhead;
-			tail = priv->txbepringtail;
-			break;
-		case VI_PRIORITY:
-			head = priv->txvipringhead;
-			tail = priv->txvipringtail;
-			break;
-		case VO_PRIORITY:
-			head = priv->txvopringhead;
-			tail = priv->txvopringtail;
-			break;
-		case HI_PRIORITY:
-			head = priv->txhpringhead;
-			tail = priv->txhpringtail;
-			break;
-		default:
-			return -1;
+	switch (priority) {
+	case MANAGE_PRIORITY:
+		head = priv->txmapringhead;
+		tail = priv->txmapringtail;
+		break;
+	case BK_PRIORITY:
+		head = priv->txbkpringhead;
+		tail = priv->txbkpringtail;
+		break;
+	case BE_PRIORITY:
+		head = priv->txbepringhead;
+		tail = priv->txbepringtail;
+		break;
+	case VI_PRIORITY:
+		head = priv->txvipringhead;
+		tail = priv->txvipringtail;
+		break;
+	case VO_PRIORITY:
+		head = priv->txvopringhead;
+		tail = priv->txvopringtail;
+		break;
+	case HI_PRIORITY:
+		head = priv->txhpringhead;
+		tail = priv->txhpringtail;
+		break;
+	default:
+		return -1;
 	}
 
 	if (head <= tail)
@@ -531,7 +531,7 @@ short check_nic_enought_desc(struct net_device *dev, int priority)
 	 * between the tail and the head
 	 */
 
-	return (required+2 < get_curr_tx_free_desc(dev,priority));
+	return (required+2 < get_curr_tx_free_desc(dev, priority));
 }
 
 void fix_tx_fifo(struct net_device *dev)
@@ -540,45 +540,45 @@ void fix_tx_fifo(struct net_device *dev)
 	u32 *tmp;
 	int i;
 
-	for (tmp=priv->txmapring, i=0;
+	for (tmp = priv->txmapring, i = 0;
 	     i < priv->txringcount;
-	     tmp+=8, i++){
-		*tmp = *tmp &~ (1<<31);
+	     tmp += 8, i++) {
+		*tmp = *tmp & ~(1<<31);
 	}
 
-	for (tmp=priv->txbkpring, i=0;
+	for (tmp = priv->txbkpring, i = 0;
 	     i < priv->txringcount;
-	     tmp+=8, i++) {
-		*tmp = *tmp &~ (1<<31);
+	     tmp += 8, i++) {
+		*tmp = *tmp & ~(1<<31);
 	}
 
-	for (tmp=priv->txbepring, i=0;
+	for (tmp = priv->txbepring, i = 0;
 	     i < priv->txringcount;
-	     tmp+=8, i++){
-		*tmp = *tmp &~ (1<<31);
+	     tmp += 8, i++) {
+		*tmp = *tmp & ~(1<<31);
 	}
-	for (tmp=priv->txvipring, i=0;
+	for (tmp = priv->txvipring, i = 0;
 	     i < priv->txringcount;
-	     tmp+=8, i++) {
-		*tmp = *tmp &~ (1<<31);
+	     tmp += 8, i++) {
+		*tmp = *tmp & ~(1<<31);
 	}
 
-	for (tmp=priv->txvopring, i=0;
+	for (tmp = priv->txvopring, i = 0;
 	     i < priv->txringcount;
-	     tmp+=8, i++){
-		*tmp = *tmp &~ (1<<31);
+	     tmp += 8, i++) {
+		*tmp = *tmp & ~(1<<31);
 	}
 
-	for (tmp=priv->txhpring, i=0;
+	for (tmp = priv->txhpring, i = 0;
 	     i < priv->txringcount;
-	     tmp+=8,i++){
-		*tmp = *tmp &~ (1<<31);
+	     tmp += 8, i++) {
+		*tmp = *tmp & ~(1<<31);
 	}
 
-	for (tmp=priv->txbeaconring, i=0;
+	for (tmp = priv->txbeaconring, i = 0;
 	     i < priv->txbeaconcount;
-	     tmp+=8, i++){
-		*tmp = *tmp &~ (1<<31);
+	     tmp += 8, i++) {
+		*tmp = *tmp & ~(1<<31);
 	}
 
 	priv->txmapringtail = priv->txmapring;
@@ -622,18 +622,18 @@ void fix_rx_fifo(struct net_device *dev)
 
 	rx_desc_size = 8; // 4*8 = 32 bytes
 
-	for (tmp=priv->rxring, rxbuf=priv->rxbufferhead;
+	for (tmp = priv->rxring, rxbuf = priv->rxbufferhead;
 	     (tmp < (priv->rxring)+(priv->rxringcount)*rx_desc_size);
-	     tmp+=rx_desc_size,rxbuf=rxbuf->next){
+	     tmp += rx_desc_size, rxbuf = rxbuf->next) {
 		*(tmp+2) = rxbuf->dma;
-		*tmp=*tmp &~ 0xfff;
-		*tmp=*tmp | priv->rxbuffersize;
+		*tmp = *tmp & ~0xfff;
+		*tmp = *tmp | priv->rxbuffersize;
 		*tmp |= (1<<31);
 	}
 
-	priv->rxringtail=priv->rxring;
-	priv->rxbuffer=priv->rxbufferhead;
-	priv->rx_skb_complete=1;
+	priv->rxringtail = priv->rxring;
+	priv->rxbuffer = priv->rxbufferhead;
+	priv->rx_skb_complete = 1;
 	set_nic_rxring(dev);
 }
 
@@ -678,20 +678,18 @@ void rtl8180_RSSI_calc(struct net_device *dev, u8 *rssi, u8 *qual)
 	if (q <= 0x4e) {
 		temp = QUALITY_MAP[q];
 	} else {
-		if( q & 0x80 ) {
+		if (q & 0x80)
 			temp = 0x32;
-		} else {
+		else
 			temp = 1;
-		}
 	}
 
 	*qual = temp;
 	temp2 = *rssi;
 
-	if ( _rssi < 0x64 ){
-		if ( _rssi == 0 ) {
+	if (_rssi < 0x64) {
+		if (_rssi == 0)
 			*rssi = 1;
-		}
 	} else {
 		*rssi = 0x64;
 	}
@@ -704,27 +702,27 @@ void rtl8180_irq_enable(struct net_device *dev)
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
 	priv->irq_enabled = 1;
-	write_nic_word(dev,INTA_MASK, priv->irq_mask);
+	write_nic_word(dev, INTA_MASK, priv->irq_mask);
 }
 
 void rtl8180_irq_disable(struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	write_nic_dword(dev,IMR,0);
+	write_nic_dword(dev, IMR, 0);
 	force_pci_posting(dev);
 	priv->irq_enabled = 0;
 }
 
-void rtl8180_set_mode(struct net_device *dev,int mode)
+void rtl8180_set_mode(struct net_device *dev, int mode)
 {
 	u8 ecmd;
 
-	ecmd=read_nic_byte(dev, EPROM_CMD);
-	ecmd=ecmd &~ EPROM_CMD_OPERATING_MODE_MASK;
-	ecmd=ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT);
-	ecmd=ecmd &~ (1<<EPROM_CS_SHIFT);
-	ecmd=ecmd &~ (1<<EPROM_CK_SHIFT);
+	ecmd = read_nic_byte(dev, EPROM_CMD);
+	ecmd = ecmd & ~EPROM_CMD_OPERATING_MODE_MASK;
+	ecmd = ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT);
+	ecmd = ecmd & ~(1<<EPROM_CS_SHIFT);
+	ecmd = ecmd & ~(1<<EPROM_CK_SHIFT);
 	write_nic_byte(dev, EPROM_CMD, ecmd);
 }
 
@@ -738,13 +736,12 @@ void rtl8180_update_msr(struct net_device *dev)
 	u32 rxconf;
 
 	msr  = read_nic_byte(dev, MSR);
-	msr &= ~ MSR_LINK_MASK;
+	msr &= ~MSR_LINK_MASK;
 
-	rxconf=read_nic_dword(dev,RX_CONF);
+	rxconf = read_nic_dword(dev, RX_CONF);
 
-	if(priv->ieee80211->state == IEEE80211_LINKED)
-	{
-		if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+	if (priv->ieee80211->state == IEEE80211_LINKED)	{
+		if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 			msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
 		else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 			msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
@@ -754,7 +751,7 @@ void rtl8180_update_msr(struct net_device *dev)
 			msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
 		rxconf |= (1<<RX_CHECK_BSSID_SHIFT);
 
-	}else {
+	} else {
 		msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
 		rxconf &= ~(1<<RX_CHECK_BSSID_SHIFT);
 	}
@@ -763,7 +760,7 @@ void rtl8180_update_msr(struct net_device *dev)
 	write_nic_dword(dev, RX_CONF, rxconf);
 }
 
-void rtl8180_set_chan(struct net_device *dev,short ch)
+void rtl8180_set_chan(struct net_device *dev, short ch)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
@@ -772,8 +769,8 @@ void rtl8180_set_chan(struct net_device *dev,short ch)
 		return;
 	}
 
-	priv->chan=ch;
-	priv->rf_set_chan(dev,priv->chan);
+	priv->chan = ch;
+	priv->rf_set_chan(dev, priv->chan);
 }
 
 void rtl8180_rx_enable(struct net_device *dev)
@@ -783,8 +780,8 @@ void rtl8180_rx_enable(struct net_device *dev)
 	/* for now we accept data, management & ctl frame*/
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	rxconf=read_nic_dword(dev,RX_CONF);
-	rxconf = rxconf &~ MAC_FILTER_MASK;
+	rxconf = read_nic_dword(dev, RX_CONF);
+	rxconf = rxconf & ~MAC_FILTER_MASK;
 	rxconf = rxconf | (1<<ACCEPT_MNG_FRAME_SHIFT);
 	rxconf = rxconf | (1<<ACCEPT_DATA_FRAME_SHIFT);
 	rxconf = rxconf | (1<<ACCEPT_BCAST_FRAME_SHIFT);
@@ -792,39 +789,39 @@ void rtl8180_rx_enable(struct net_device *dev)
 	if (dev->flags & IFF_PROMISC)
 		DMESG("NIC in promisc mode");
 
-	if(priv->ieee80211->iw_mode == IW_MODE_MONITOR || \
-	   dev->flags & IFF_PROMISC){
+	if (priv->ieee80211->iw_mode == IW_MODE_MONITOR || \
+	   dev->flags & IFF_PROMISC) {
 		rxconf = rxconf | (1<<ACCEPT_ALLMAC_FRAME_SHIFT);
-	}else{
+	} else {
 		rxconf = rxconf | (1<<ACCEPT_NICMAC_FRAME_SHIFT);
 	}
 
-	if(priv->ieee80211->iw_mode == IW_MODE_MONITOR){
+	if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 		rxconf = rxconf | (1<<ACCEPT_CTL_FRAME_SHIFT);
 		rxconf = rxconf | (1<<ACCEPT_ICVERR_FRAME_SHIFT);
 		rxconf = rxconf | (1<<ACCEPT_PWR_FRAME_SHIFT);
 	}
 
-	if( priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
+	if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 		rxconf = rxconf | (1<<ACCEPT_CRCERR_FRAME_SHIFT);
 
 	rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 	rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 
 	rxconf = rxconf | (1<<RX_AUTORESETPHY_SHIFT);
-	rxconf = rxconf &~ MAX_RX_DMA_MASK;
+	rxconf = rxconf & ~MAX_RX_DMA_MASK;
 	rxconf = rxconf | (MAX_RX_DMA_2048<<MAX_RX_DMA_SHIFT);
 
 	rxconf = rxconf | RCR_ONLYERLPKT;
 
-	rxconf = rxconf &~ RCR_CS_MASK;
+	rxconf = rxconf & ~RCR_CS_MASK;
 
 	write_nic_dword(dev, RX_CONF, rxconf);
 
 	fix_rx_fifo(dev);
 
-	cmd=read_nic_byte(dev,CMD);
-	write_nic_byte(dev,CMD,cmd | (1<<CMD_RX_ENABLE_SHIFT));
+	cmd = read_nic_byte(dev, CMD);
+	write_nic_byte(dev, CMD, cmd | (1<<CMD_RX_ENABLE_SHIFT));
 }
 
 void set_nic_txring(struct net_device *dev)
@@ -844,20 +841,20 @@ void rtl8180_conttx_enable(struct net_device *dev)
 {
 	u32 txconf;
 
-	txconf = read_nic_dword(dev,TX_CONF);
-	txconf = txconf &~ TX_LOOPBACK_MASK;
-	txconf = txconf | (TX_LOOPBACK_CONTINUE <<TX_LOOPBACK_SHIFT);
-	write_nic_dword(dev,TX_CONF,txconf);
+	txconf = read_nic_dword(dev, TX_CONF);
+	txconf = txconf & ~TX_LOOPBACK_MASK;
+	txconf = txconf | (TX_LOOPBACK_CONTINUE<<TX_LOOPBACK_SHIFT);
+	write_nic_dword(dev, TX_CONF, txconf);
 }
 
 void rtl8180_conttx_disable(struct net_device *dev)
 {
 	u32 txconf;
 
-	txconf = read_nic_dword(dev,TX_CONF);
-	txconf = txconf &~ TX_LOOPBACK_MASK;
-	txconf = txconf | (TX_LOOPBACK_NONE <<TX_LOOPBACK_SHIFT);
-	write_nic_dword(dev,TX_CONF,txconf);
+	txconf = read_nic_dword(dev, TX_CONF);
+	txconf = txconf & ~TX_LOOPBACK_MASK;
+	txconf = txconf | (TX_LOOPBACK_NONE<<TX_LOOPBACK_SHIFT);
+	write_nic_dword(dev, TX_CONF, txconf);
 }
 
 void rtl8180_tx_enable(struct net_device *dev)
@@ -884,54 +881,54 @@ void rtl8180_tx_enable(struct net_device *dev)
 
 	txconf = txconf & ~(1<<TCR_PROBE_NOTIMESTAMP_SHIFT);
 
-	txconf = txconf &~ TX_LOOPBACK_MASK;
-	txconf = txconf | (TX_LOOPBACK_NONE <<TX_LOOPBACK_SHIFT);
-	txconf = txconf &~ TCR_DPRETRY_MASK;
-	txconf = txconf &~ TCR_RTSRETRY_MASK;
+	txconf = txconf & ~TX_LOOPBACK_MASK;
+	txconf = txconf | (TX_LOOPBACK_NONE<<TX_LOOPBACK_SHIFT);
+	txconf = txconf & ~TCR_DPRETRY_MASK;
+	txconf = txconf & ~TCR_RTSRETRY_MASK;
 	txconf = txconf | (priv->retry_data<<TX_DPRETRY_SHIFT);
 	txconf = txconf | (priv->retry_rts<<TX_RTSRETRY_SHIFT);
-	txconf = txconf &~ (1<<TX_NOCRC_SHIFT);
+	txconf = txconf & ~(1<<TX_NOCRC_SHIFT);
 
 	if (priv->hw_plcp_len)
 		txconf = txconf & ~TCR_PLCP_LEN;
 	else
 		txconf = txconf | TCR_PLCP_LEN;
 
-	txconf = txconf &~ TCR_MXDMA_MASK;
+	txconf = txconf & ~TCR_MXDMA_MASK;
 	txconf = txconf | (TCR_MXDMA_2048<<TCR_MXDMA_SHIFT);
 	txconf = txconf | TCR_CWMIN;
 	txconf = txconf | TCR_DISCW;
 
 	txconf = txconf | (1 << TX_NOICV_SHIFT);
 
-	write_nic_dword(dev,TX_CONF,txconf);
+	write_nic_dword(dev, TX_CONF, txconf);
 
 	fix_tx_fifo(dev);
 
-	cmd=read_nic_byte(dev,CMD);
-	write_nic_byte(dev,CMD,cmd | (1<<CMD_TX_ENABLE_SHIFT));
+	cmd = read_nic_byte(dev, CMD);
+	write_nic_byte(dev, CMD, cmd | (1<<CMD_TX_ENABLE_SHIFT));
 
-	write_nic_dword(dev,TX_CONF,txconf);
+	write_nic_dword(dev, TX_CONF, txconf);
 }
 
 void rtl8180_beacon_tx_enable(struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	rtl8180_set_mode(dev,EPROM_CMD_CONFIG);
+	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
 	priv->dma_poll_stop_mask &= ~(TPPOLLSTOP_BQ);
-	write_nic_byte(dev,TPPollStop, priv->dma_poll_mask);
-	rtl8180_set_mode(dev,EPROM_CMD_NORMAL);
+	write_nic_byte(dev, TPPollStop, priv->dma_poll_mask);
+	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 }
 
 void rtl8180_beacon_tx_disable(struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	rtl8180_set_mode(dev,EPROM_CMD_CONFIG);
+	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
 	priv->dma_poll_stop_mask |= TPPOLLSTOP_BQ;
-	write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask);
-	rtl8180_set_mode(dev,EPROM_CMD_NORMAL);
+	write_nic_byte(dev, TPPollStop, priv->dma_poll_stop_mask);
+	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 
 }
 
@@ -940,13 +937,13 @@ void rtl8180_rtx_disable(struct net_device *dev)
 	u8 cmd;
 	struct r8180_priv *priv = ieee80211_priv(dev);
 
-	cmd=read_nic_byte(dev,CMD);
-	write_nic_byte(dev, CMD, cmd &~ \
+	cmd = read_nic_byte(dev, CMD);
+	write_nic_byte(dev, CMD, cmd & ~\
 		       ((1<<CMD_RX_ENABLE_SHIFT)|(1<<CMD_TX_ENABLE_SHIFT)));
 	force_pci_posting(dev);
 	mdelay(10);
 
-	if(!priv->rx_skb_complete)
+	if (!priv->rx_skb_complete)
 		dev_kfree_skb_any(priv->rx_skb);
 }
 
@@ -961,11 +958,11 @@ short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count,
 	struct pci_dev *pdev = priv->pdev;
 	void *buf;
 
-	if((bufsize & 0xfff) != bufsize) {
-		DMESGE ("TX buffer allocation too large");
+	if ((bufsize & 0xfff) != bufsize) {
+		DMESGE("TX buffer allocation too large");
 		return 0;
 	}
-	desc = (u32*)pci_alloc_consistent(pdev,
+	desc = (u32 *)pci_alloc_consistent(pdev,
 					  sizeof(u32)*8*count+256, &dma_desc);
 	if (desc == NULL)
 		return -1;
@@ -984,90 +981,90 @@ short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count,
 		if (buf == NULL)
 			return -ENOMEM;
 
-		switch(addr) {
+		switch (addr) {
 		case TX_MANAGEPRIORITY_RING_ADDR:
-			if(-1 == buffer_add(&(priv->txmapbufs),buf,dma_tmp,NULL)){
+			if (-1 == buffer_add(&(priv->txmapbufs), buf, dma_tmp, NULL)) {
 				DMESGE("Unable to allocate mem for buffer NP");
 				return -ENOMEM;
 			}
 			break;
 		case TX_BKPRIORITY_RING_ADDR:
-			if(-1 == buffer_add(&(priv->txbkpbufs),buf,dma_tmp,NULL)){
+			if (-1 == buffer_add(&(priv->txbkpbufs), buf, dma_tmp, NULL)) {
 				DMESGE("Unable to allocate mem for buffer LP");
 				return -ENOMEM;
 			}
 			break;
 		case TX_BEPRIORITY_RING_ADDR:
-			if(-1 == buffer_add(&(priv->txbepbufs),buf,dma_tmp,NULL)){
+			if (-1 == buffer_add(&(priv->txbepbufs), buf, dma_tmp, NULL)) {
 				DMESGE("Unable to allocate mem for buffer NP");
 				return -ENOMEM;
 			}
 			break;
 		case TX_VIPRIORITY_RING_ADDR:
-			if(-1 == buffer_add(&(priv->txvipbufs),buf,dma_tmp,NULL)){
+			if (-1 == buffer_add(&(priv->txvipbufs), buf, dma_tmp, NULL)) {
 				DMESGE("Unable to allocate mem for buffer LP");
 				return -ENOMEM;
 			}
 			break;
 		case TX_VOPRIORITY_RING_ADDR:
-			if(-1 == buffer_add(&(priv->txvopbufs),buf,dma_tmp,NULL)){
+			if (-1 == buffer_add(&(priv->txvopbufs), buf, dma_tmp, NULL)) {
 				DMESGE("Unable to allocate mem for buffer NP");
 				return -ENOMEM;
 			}
 			break;
 		case TX_HIGHPRIORITY_RING_ADDR:
-			if(-1 == buffer_add(&(priv->txhpbufs),buf,dma_tmp,NULL)){
+			if (-1 == buffer_add(&(priv->txhpbufs), buf, dma_tmp, NULL)) {
 				DMESGE("Unable to allocate mem for buffer HP");
 				return -ENOMEM;
 			}
 			break;
 		case TX_BEACON_RING_ADDR:
-		        if(-1 == buffer_add(&(priv->txbeaconbufs),buf,dma_tmp,NULL)){
-			DMESGE("Unable to allocate mem for buffer BP");
+			if (-1 == buffer_add(&(priv->txbeaconbufs), buf, dma_tmp, NULL)) {
+				DMESGE("Unable to allocate mem for buffer BP");
 				return -ENOMEM;
 			}
 			break;
 		}
-		*tmp = *tmp &~ (1<<31); // descriptor empty, owned by the drv
+		*tmp = *tmp & ~(1<<31); // descriptor empty, owned by the drv
 		*(tmp+2) = (u32)dma_tmp;
 		*(tmp+3) = bufsize;
 
-		if(i+1<count)
+		if (i+1 < count)
 			*(tmp+4) = (u32)dma_desc+((i+1)*8*4);
 		else
 			*(tmp+4) = (u32)dma_desc;
 
-		tmp=tmp+8;
+		tmp = tmp+8;
 	}
 
-	switch(addr) {
+	switch (addr) {
 	case TX_MANAGEPRIORITY_RING_ADDR:
-		priv->txmapringdma=dma_desc;
-		priv->txmapring=desc;
+		priv->txmapringdma = dma_desc;
+		priv->txmapring = desc;
 		break;
 	case TX_BKPRIORITY_RING_ADDR:
-		priv->txbkpringdma=dma_desc;
-		priv->txbkpring=desc;
+		priv->txbkpringdma = dma_desc;
+		priv->txbkpring = desc;
 		break;
 	case TX_BEPRIORITY_RING_ADDR:
-		priv->txbepringdma=dma_desc;
-		priv->txbepring=desc;
+		priv->txbepringdma = dma_desc;
+		priv->txbepring = desc;
 		break;
 	case TX_VIPRIORITY_RING_ADDR:
-		priv->txvipringdma=dma_desc;
-		priv->txvipring=desc;
+		priv->txvipringdma = dma_desc;
+		priv->txvipring = desc;
 		break;
 	case TX_VOPRIORITY_RING_ADDR:
-		priv->txvopringdma=dma_desc;
-		priv->txvopring=desc;
+		priv->txvopringdma = dma_desc;
+		priv->txvopring = desc;
 		break;
 	case TX_HIGHPRIORITY_RING_ADDR:
-		priv->txhpringdma=dma_desc;
-		priv->txhpring=desc;
+		priv->txhpringdma = dma_desc;
+		priv->txhpring = desc;
 		break;
 	case TX_BEACON_RING_ADDR:
-		priv->txbeaconringdma=dma_desc;
-		priv->txbeaconring=desc;
+		priv->txbeaconringdma = dma_desc;
+		priv->txbeaconring = desc;
 		break;
 
 	}
@@ -1078,37 +1075,37 @@ short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count,
 void free_tx_desc_rings(struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-	struct pci_dev *pdev=priv->pdev;
+	struct pci_dev *pdev = priv->pdev;
 	int count = priv->txringcount;
 
 	pci_free_consistent(pdev, sizeof(u32)*8*count+256,
 			    priv->txmapring, priv->txmapringdma);
-	buffer_free(dev,&(priv->txmapbufs),priv->txbuffsize,1);
+	buffer_free(dev, &(priv->txmapbufs), priv->txbuffsize, 1);
 
 	pci_free_consistent(pdev, sizeof(u32)*8*count+256,
 			    priv->txbkpring, priv->txbkpringdma);
-	buffer_free(dev,&(priv->txbkpbufs),priv->txbuffsize,1);
+	buffer_free(dev, &(priv->txbkpbufs), priv->txbuffsize, 1);
 
 	pci_free_consistent(pdev, sizeof(u32)*8*count+256,
 			    priv->txbepring, priv->txbepringdma);
-	buffer_free(dev,&(priv->txbepbufs),priv->txbuffsize,1);
+	buffer_free(dev, &(priv->txbepbufs), priv->txbuffsize, 1);
 
 	pci_free_consistent(pdev, sizeof(u32)*8*count+256,
 			    priv->txvipring, priv->txvipringdma);
-	buffer_free(dev,&(priv->txvipbufs),priv->txbuffsize,1);
+	buffer_free(dev, &(priv->txvipbufs), priv->txbuffsize, 1);
 
 	pci_free_consistent(pdev, sizeof(u32)*8*count+256,
 			    priv->txvopring, priv->txvopringdma);
-	buffer_free(dev,&(priv->txvopbufs),priv->txbuffsize,1);
+	buffer_free(dev, &(priv->txvopbufs), priv->txbuffsize, 1);
 
 	pci_free_consistent(pdev, sizeof(u32)*8*count+256,
 			    priv->txhpring, priv->txhpringdma);
-	buffer_free(dev,&(priv->txhpbufs),priv->txbuffsize,1);
+	buffer_free(dev, &(priv->txhpbufs), priv->txbuffsize, 1);
 
 	count = priv->txbeaconcount;
 	pci_free_consistent(pdev, sizeof(u32)*8*count+256,
 			    priv->txbeaconring, priv->txbeaconringdma);
-	buffer_free(dev,&(priv->txbeaconbufs),priv->txbuffsize,1);
+	buffer_free(dev, &(priv->txbeaconbufs), priv->txbuffsize, 1);
 }
 
 void free_rx_desc_ring(struct net_device *dev)
@@ -1120,7 +1117,7 @@ void free_rx_desc_ring(struct net_device *dev)
 	pci_free_consistent(pdev, sizeof(u32)*8*count+256,
 			    priv->rxring, priv->rxringdma);
 
-	buffer_free(dev,&(priv->rxbuffer),priv->rxbuffersize,0);
+	buffer_free(dev, &(priv->rxbuffer), priv->rxbuffersize, 0);
 }
 
 short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)
@@ -1128,20 +1125,20 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)
 	int i;
 	u32 *desc;
 	u32 *tmp;
-	dma_addr_t dma_desc,dma_tmp;
+	dma_addr_t dma_desc, dma_tmp;
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-	struct pci_dev *pdev=priv->pdev;
+	struct pci_dev *pdev = priv->pdev;
 	void *buf;
 	u8 rx_desc_size;
 
 	rx_desc_size = 8; // 4*8 = 32 bytes
 
-	if((bufsize & 0xfff) != bufsize){
-		DMESGE ("RX buffer allocation too large");
+	if ((bufsize & 0xfff) != bufsize) {
+		DMESGE("RX buffer allocation too large");
 		return -1;
 	}
 
-	desc = (u32*)pci_alloc_consistent(pdev,sizeof(u32)*rx_desc_size*count+256,
+	desc = (u32 *)pci_alloc_consistent(pdev, sizeof(u32)*rx_desc_size*count+256,
 					  &dma_desc);
 
 	if (dma_desc & 0xff)
@@ -1151,31 +1148,31 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)
 		 */
 		WARN(1, "DMA buffer is not aligned\n");
 
-	priv->rxring=desc;
-	priv->rxringdma=dma_desc;
-	tmp=desc;
+	priv->rxring = desc;
+	priv->rxringdma = dma_desc;
+	tmp = desc;
 
 	for (i = 0; i < count; i++) {
-		buf = kmalloc(bufsize * sizeof(u8),GFP_ATOMIC);
+		buf = kmalloc(bufsize * sizeof(u8), GFP_ATOMIC);
 		if (buf == NULL) {
 			DMESGE("Failed to kmalloc RX buffer");
 			return -1;
 		}
 
-		dma_tmp = pci_map_single(pdev,buf,bufsize * sizeof(u8),
+		dma_tmp = pci_map_single(pdev, buf, bufsize * sizeof(u8),
 					 PCI_DMA_FROMDEVICE);
 
-		if(-1 == buffer_add(&(priv->rxbuffer), buf,dma_tmp,
-			   &(priv->rxbufferhead))){
-			   DMESGE("Unable to allocate mem RX buf");
-			   return -1;
+		if (-1 == buffer_add(&(priv->rxbuffer), buf, dma_tmp,
+			   &(priv->rxbufferhead))) {
+			DMESGE("Unable to allocate mem RX buf");
+			return -1;
 		}
-		*tmp = 0; //zero pads the header of the descriptor
-		*tmp = *tmp |( bufsize&0xfff);
+		*tmp = 0; // zero pads the header of the descriptor
+		*tmp = *tmp | (bufsize&0xfff);
 		*(tmp+2) = (u32)dma_tmp;
-		*tmp = *tmp |(1<<31); // descriptor void, owned by the NIC
+		*tmp = *tmp | (1<<31); // descriptor void, owned by the NIC
 
-		tmp=tmp+rx_desc_size;
+		tmp = tmp+rx_desc_size;
 	}
 
 	*(tmp-rx_desc_size) = *(tmp-rx_desc_size) | (1<<30); // this is the last descriptor
@@ -1189,10 +1186,10 @@ void set_nic_rxring(struct net_device *dev)
 	u8 pgreg;
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	pgreg=read_nic_byte(dev, PGSELECT);
-	write_nic_byte(dev, PGSELECT, pgreg &~ (1<<PGSELECT_PG_SHIFT));
+	pgreg = read_nic_byte(dev, PGSELECT);
+	write_nic_byte(dev, PGSELECT, pgreg & ~(1<<PGSELECT_PG_SHIFT));
 
-	write_nic_dword(dev, RXRING_ADDR,priv->rxringdma);
+	write_nic_dword(dev, RXRING_ADDR, priv->rxringdma);
 }
 
 void rtl8180_reset(struct net_device *dev)
@@ -1201,28 +1198,28 @@ void rtl8180_reset(struct net_device *dev)
 
 	rtl8180_irq_disable(dev);
 
-	cr=read_nic_byte(dev,CMD);
+	cr = read_nic_byte(dev, CMD);
 	cr = cr & 2;
 	cr = cr | (1<<CMD_RST_SHIFT);
-	write_nic_byte(dev,CMD,cr);
+	write_nic_byte(dev, CMD, cr);
 
 	force_pci_posting(dev);
 
 	mdelay(200);
 
-	if(read_nic_byte(dev,CMD) & (1<<CMD_RST_SHIFT))
+	if (read_nic_byte(dev, CMD) & (1<<CMD_RST_SHIFT))
 		DMESGW("Card reset timeout!");
 	else
 		DMESG("Card successfully reset");
 
-	rtl8180_set_mode(dev,EPROM_CMD_LOAD);
+	rtl8180_set_mode(dev, EPROM_CMD_LOAD);
 	force_pci_posting(dev);
 	mdelay(200);
 }
 
 inline u16 ieeerate2rtlrate(int rate)
 {
-	switch(rate){
+	switch (rate) {
 	case 10:
 		return 0;
 	case 20:
@@ -1252,7 +1249,7 @@ inline u16 ieeerate2rtlrate(int rate)
 	}
 }
 
-static u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540,720};
+static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540, 720};
 
 inline u16 rtl8180_rate2rate(short rate)
 {
@@ -1263,7 +1260,7 @@ inline u16 rtl8180_rate2rate(short rate)
 
 inline u8 rtl8180_IsWirelessBMode(u16 rate)
 {
-	if( ((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220) )
+	if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
 		return 1;
 	else
 		return 0;
@@ -1335,7 +1332,7 @@ u16 N_DBPSOfRate(u16 DataRate)
 
 //
 //	Description:
-// 	For Netgear case, they want good-looking singal strength.
+//	For Netgear case, they want good-looking singal strength.
 //
 long NetgearSignalStrengthTranslate(long LastSS, long CurrSS)
 {
@@ -1364,8 +1361,8 @@ long NetgearSignalStrengthTranslate(long LastSS, long CurrSS)
 		RetSS = CurrSS;
 
 	// Step 2. Smoothing.
-	if(LastSS > 0)
-		RetSS = ((LastSS * 5) + (RetSS)+ 5) / 6;
+	if (LastSS > 0)
+		RetSS = ((LastSS * 5) + (RetSS) + 5) / 6;
 
 	return RetSS;
 }
@@ -1399,11 +1396,11 @@ void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv,
 	priv->bCurCCKPkt = bCckRate;
 
 	if (priv->UndecoratedSmoothedSS >= 0)
-		priv->UndecoratedSmoothedSS = ( (priv->UndecoratedSmoothedSS * 5) + (priv->SignalStrength * 10) ) / 6;
+		priv->UndecoratedSmoothedSS = ((priv->UndecoratedSmoothedSS * 5) + (priv->SignalStrength * 10)) / 6;
 	else
 		priv->UndecoratedSmoothedSS = priv->SignalStrength * 10;
 
-	priv->UndercorateSmoothedRxPower = ( (priv->UndercorateSmoothedRxPower * 50) + (priv->RxPower* 11)) / 60;
+	priv->UndercorateSmoothedRxPower = ((priv->UndercorateSmoothedRxPower * 50) + (priv->RxPower * 11)) / 60;
 
 	if (bCckRate)
 		priv->CurCCKRSSI = priv->RSSI;
@@ -1417,23 +1414,23 @@ void rtl8180_rx(struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	struct sk_buff *tmp_skb;
-	short first,last;
+	short first, last;
 	u32 len;
 	int lastlen;
 	unsigned char quality, signal;
 	u8 rate;
-	u32 *tmp,*tmp2;
+	u32 *tmp, *tmp2;
 	u8 rx_desc_size;
 	u8 padding;
 	char rxpower = 0;
 	u32 RXAGC = 0;
 	long RxAGC_dBm = 0;
-	u8	LNA=0, BB=0;
+	u8	LNA = 0, BB = 0;
 	u8	LNA_gain[4] = {02, 17, 29, 39};
 	u8  Antenna = 0;
 	struct ieee80211_hdr_4addr *hdr;
-	u16 fc,type;
-	u8 bHwError = 0,bCRC = 0,bICV = 0;
+	u16 fc, type;
+	u8 bHwError = 0, bCRC = 0, bICV = 0;
 	bool	bCckRate = false;
 	u8     RSSI = 0;
 	long	SignalStrengthIndex = 0;
@@ -1456,27 +1453,28 @@ void rtl8180_rx(struct net_device *dev)
 
 		tmp2 = NULL;
 		tmp = priv->rxringtail;
-		do{
-			if(tmp == priv->rxring)
+		do {
+			if (tmp == priv->rxring)
 				tmp  = priv->rxring + (priv->rxringcount - 1)*rx_desc_size;
 			else
 				tmp -= rx_desc_size;
 
-			if(! (*tmp & (1<<31)))
+			if (!(*tmp & (1<<31)))
 				tmp2 = tmp;
-		}while(tmp != priv->rxring);
+		} while (tmp != priv->rxring);
 
-		if(tmp2) priv->rxringtail = tmp2;
+		if (tmp2)
+			priv->rxringtail = tmp2;
 	}
 
 	/* while there are filled descriptors */
-	while(!(*(priv->rxringtail) & (1<<31))){
-		if(*(priv->rxringtail) & (1<<26))
+	while (!(*(priv->rxringtail) & (1<<31))) {
+		if (*(priv->rxringtail) & (1<<26))
 			DMESGW("RX buffer overflow");
-		if(*(priv->rxringtail) & (1<<12))
+		if (*(priv->rxringtail) & (1<<12))
 			priv->stats.rxicverr++;
 
-		if(*(priv->rxringtail) & (1<<27)){
+		if (*(priv->rxringtail) & (1<<27)) {
 			priv->stats.rxdmafail++;
 			//DMESG("EE: RX DMA FAILED at buffer pointed by descriptor %x",(u32)priv->rxringtail);
 			goto drop;
@@ -1488,12 +1486,13 @@ void rtl8180_rx(struct net_device *dev)
 				    sizeof(u8),
 				    PCI_DMA_FROMDEVICE);
 
-		first = *(priv->rxringtail) & (1<<29) ? 1:0;
-		if(first) priv->rx_prevlen=0;
+		first = *(priv->rxringtail) & (1<<29) ? 1 : 0;
+		if (first)
+			priv->rx_prevlen = 0;
 
-		last = *(priv->rxringtail) & (1<<28) ? 1:0;
-		if(last){
-			lastlen=((*priv->rxringtail) &0xfff);
+		last = *(priv->rxringtail) & (1<<28) ? 1 : 0;
+		if (last) {
+			lastlen = ((*priv->rxringtail) & 0xfff);
 
 			/* if the last descriptor (that should
 			 * tell us the total packet len) tell
@@ -1502,109 +1501,101 @@ void rtl8180_rx(struct net_device *dev)
 			 * problem..
 			 * workaround to prevent kernel panic
 			 */
-			if(lastlen < priv->rx_prevlen)
-				len=0;
+			if (lastlen < priv->rx_prevlen)
+				len = 0;
 			else
-				len=lastlen-priv->rx_prevlen;
+				len = lastlen-priv->rx_prevlen;
 
-			if(*(priv->rxringtail) & (1<<13)) {
-				if ((*(priv->rxringtail) & 0xfff) <500)
+			if (*(priv->rxringtail) & (1<<13)) {
+				if ((*(priv->rxringtail) & 0xfff) < 500)
 					priv->stats.rxcrcerrmin++;
-				else if ((*(priv->rxringtail) & 0x0fff) >1000)
+				else if ((*(priv->rxringtail) & 0x0fff) > 1000)
 					priv->stats.rxcrcerrmax++;
 				else
 					priv->stats.rxcrcerrmid++;
 
 			}
 
-		}else{
+		} else {
 			len = priv->rxbuffersize;
 		}
 
-		if(first && last) {
+		if (first && last) {
 			padding = ((*(priv->rxringtail+3))&(0x04000000))>>26;
-		}else if(first) {
+		} else if (first) {
 			padding = ((*(priv->rxringtail+3))&(0x04000000))>>26;
-			if(padding) {
+			if (padding)
 				len -= 2;
-			}
-		}else {
+		} else {
 			padding = 0;
 		}
 		padding = 0;
-		priv->rx_prevlen+=len;
+		priv->rx_prevlen += len;
 
-		if(priv->rx_prevlen > MAX_FRAG_THRESHOLD + 100){
+		if (priv->rx_prevlen > MAX_FRAG_THRESHOLD + 100) {
 			/* HW is probably passing several buggy frames
 			* without FD or LD flag set.
 			* Throw this garbage away to prevent skb
 			* memory exausting
 			*/
-			if(!priv->rx_skb_complete)
+			if (!priv->rx_skb_complete)
 				dev_kfree_skb_any(priv->rx_skb);
 			priv->rx_skb_complete = 1;
 		}
 
-		signal=(unsigned char)(((*(priv->rxringtail+3))& (0x00ff0000))>>16);
+		signal = (unsigned char)(((*(priv->rxringtail+3)) & (0x00ff0000))>>16);
 		signal = (signal & 0xfe) >> 1;
 
-		quality=(unsigned char)((*(priv->rxringtail+3)) & (0xff));
+		quality = (unsigned char)((*(priv->rxringtail+3)) & (0xff));
 
 		stats.mac_time[0] = *(priv->rxringtail+1);
 		stats.mac_time[1] = *(priv->rxringtail+2);
-		rxpower =((char)(((*(priv->rxringtail+4))& (0x00ff0000))>>16))/2 - 42;
-		RSSI = ((u8)(((*(priv->rxringtail+3)) & (0x0000ff00))>> 8)) & (0x7f);
+		rxpower = ((char)(((*(priv->rxringtail+4)) & (0x00ff0000))>>16))/2 - 42;
+		RSSI = ((u8)(((*(priv->rxringtail+3)) & (0x0000ff00))>>8)) & (0x7f);
 
-		rate=((*(priv->rxringtail)) &
+		rate = ((*(priv->rxringtail)) &
 			((1<<23)|(1<<22)|(1<<21)|(1<<20)))>>20;
 
 		stats.rate = rtl8180_rate2rate(rate);
-		Antenna = (((*(priv->rxringtail +3))& (0x00008000)) == 0 )? 0:1 ;
-		if(!rtl8180_IsWirelessBMode(stats.rate))
-		{ // OFDM rate.
-
+		Antenna = (((*(priv->rxringtail+3)) & (0x00008000)) == 0) ? 0 : 1;
+		if (!rtl8180_IsWirelessBMode(stats.rate)) { // OFDM rate.
 			RxAGC_dBm = rxpower+1;	//bias
-		}
-		else
-		{ // CCK rate.
-			RxAGC_dBm = signal;//bit 0 discard
+		} else { // CCK rate.
+			RxAGC_dBm = signal; //bit 0 discard
 
-			LNA = (u8) (RxAGC_dBm & 0x60 ) >> 5 ; //bit 6~ bit 5
+			LNA = (u8) (RxAGC_dBm & 0x60) >> 5 ; //bit 6~ bit 5
 			BB  = (u8) (RxAGC_dBm & 0x1F);  // bit 4 ~ bit 0
 
-   			RxAGC_dBm = -( LNA_gain[LNA] + (BB *2) ); //Pin_11b=-(LNA_gain+BB_gain) (dBm)
+			RxAGC_dBm = -(LNA_gain[LNA] + (BB*2)); //Pin_11b=-(LNA_gain+BB_gain) (dBm)
 
-			RxAGC_dBm +=4; //bias
+			RxAGC_dBm += 4; //bias
 		}
 
-		if(RxAGC_dBm & 0x80) //absolute value
-   			RXAGC= ~(RxAGC_dBm)+1;
+		if (RxAGC_dBm & 0x80) //absolute value
+			RXAGC = ~(RxAGC_dBm)+1;
 		bCckRate = rtl8180_IsWirelessBMode(stats.rate);
 		// Translate RXAGC into 1-100.
-		if(!rtl8180_IsWirelessBMode(stats.rate))
-		{ // OFDM rate.
-			if(RXAGC>90)
-				RXAGC=90;
-			else if(RXAGC<25)
-				RXAGC=25;
-			RXAGC=(90-RXAGC)*100/65;
-		}
-		else
-		{ // CCK rate.
-			if(RXAGC>95)
-				RXAGC=95;
-			else if(RXAGC<30)
-				RXAGC=30;
-			RXAGC=(95-RXAGC)*100/65;
+		if (!rtl8180_IsWirelessBMode(stats.rate)) { // OFDM rate.
+			if (RXAGC > 90)
+				RXAGC = 90;
+			else if (RXAGC < 25)
+				RXAGC = 25;
+			RXAGC = (90-RXAGC)*100/65;
+		} else { // CCK rate.
+			if (RXAGC > 95)
+				RXAGC = 95;
+			else if (RXAGC < 30)
+				RXAGC = 30;
+			RXAGC = (95-RXAGC)*100/65;
 		}
 		priv->SignalStrength = (u8)RXAGC;
 		priv->RecvSignalPower = RxAGC_dBm;
 		priv->RxPower = rxpower;
 		priv->RSSI = RSSI;
 		/* SQ translation formula is provided by SD3 DZ. 2006.06.27 */
-		if(quality >= 127)
+		if (quality >= 127)
 			quality = 1;//0; //0 will cause epc to show signal zero , walk aroud now;
-		else if(quality < 27)
+		else if (quality < 27)
 			quality = 100;
 		else
 			quality = 127 - quality;
@@ -1612,31 +1603,30 @@ void rtl8180_rx(struct net_device *dev)
 
 		stats.signal = (u8)quality;//priv->wstats.qual.level = priv->SignalStrength;
 		stats.signalstrength = RXAGC;
-		if(stats.signalstrength > 100)
+		if (stats.signalstrength > 100)
 			stats.signalstrength = 100;
 		stats.signalstrength = (stats.signalstrength * 70)/100 + 30;
 	//	printk("==========================>rx : RXAGC is %d,signalstrength is %d\n",RXAGC,stats.signalstrength);
 		stats.rssi = priv->wstats.qual.qual = priv->SignalQuality;
-		stats.noise = priv->wstats.qual.noise = 100 - priv ->wstats.qual.qual;
-		bHwError = (((*(priv->rxringtail))& (0x00000fff)) == 4080)| (((*(priv->rxringtail))& (0x04000000)) != 0 )
-			| (((*(priv->rxringtail))& (0x08000000)) != 0 )| (((~(*(priv->rxringtail)))& (0x10000000)) != 0 )| (((~(*(priv->rxringtail)))& (0x20000000)) != 0 );
+		stats.noise = priv->wstats.qual.noise = 100 - priv->wstats.qual.qual;
+		bHwError = (((*(priv->rxringtail)) & (0x00000fff)) == 4080) | (((*(priv->rxringtail)) & (0x04000000)) != 0)
+			| (((*(priv->rxringtail)) & (0x08000000)) != 0) | (((~(*(priv->rxringtail))) & (0x10000000)) != 0) | (((~(*(priv->rxringtail))) & (0x20000000)) != 0);
 		bCRC = ((*(priv->rxringtail)) & (0x00002000)) >> 13;
 		bICV = ((*(priv->rxringtail)) & (0x00001000)) >> 12;
 		hdr = (struct ieee80211_hdr_4addr *)priv->rxbuffer->buf;
 		    fc = le16_to_cpu(hdr->frame_ctl);
 		type = WLAN_FC_GET_TYPE(fc);
 
-			if((IEEE80211_FTYPE_CTL != type) &&
-				(eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
-				 && (!bHwError) && (!bCRC)&& (!bICV))
-			{
+			if ((IEEE80211_FTYPE_CTL != type) &&
+				(eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
+				 && (!bHwError) && (!bCRC) && (!bICV)) {
 				/* Perform signal smoothing for dynamic
 				 * mechanism on demand. This is different
 				 * with PerformSignalSmoothing8185 in smoothing
 				 * fomula. No dramatic adjustion is apply
 				 * because dynamic mechanism need some degree
 				 * of correctness. */
-				PerformUndecoratedSignalSmoothing8185(priv,bCckRate);
+				PerformUndecoratedSignalSmoothing8185(priv, bCckRate);
 				//
 				// For good-looking singal strength.
 				//
@@ -1650,73 +1640,75 @@ void rtl8180_rx(struct net_device *dev)
 		// We need more correct power of received packets and the  "SignalStrength" of RxStats is beautified,
 		// so we record the correct power here.
 		//
-				priv->Stats_SignalQuality =(long) (priv->Stats_SignalQuality * 5 + (long)priv->SignalQuality + 5) / 6;
-				priv->Stats_RecvSignalPower = (long)(priv->Stats_RecvSignalPower * 5 + priv->RecvSignalPower -1) / 6;
+				priv->Stats_SignalQuality = (long)(priv->Stats_SignalQuality * 5 + (long)priv->SignalQuality + 5) / 6;
+				priv->Stats_RecvSignalPower = (long)(priv->Stats_RecvSignalPower * 5 + priv->RecvSignalPower - 1) / 6;
 
 		// Figure out which antenna that received the lasted packet.
 				priv->LastRxPktAntenna = Antenna ? 1 : 0; // 0: aux, 1: main.
-			    SwAntennaDiversityRxOk8185(dev, priv->SignalStrength);
+				SwAntennaDiversityRxOk8185(dev, priv->SignalStrength);
 			}
 
-		if(first){
-			if(!priv->rx_skb_complete){
+		if (first) {
+			if (!priv->rx_skb_complete) {
 				/* seems that HW sometimes fails to reiceve and
 				   doesn't provide the last descriptor */
 				dev_kfree_skb_any(priv->rx_skb);
 				priv->stats.rxnolast++;
 			}
 			/* support for prism header has been originally added by Christian */
-			if(priv->prism_hdr && priv->ieee80211->iw_mode == IW_MODE_MONITOR){
-
-			}else{
+			if (priv->prism_hdr && priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
+				
+			} else {
 				priv->rx_skb = dev_alloc_skb(len+2);
-				if( !priv->rx_skb) goto drop;
+				if (!priv->rx_skb)
+					goto drop;
 			}
 
-			priv->rx_skb_complete=0;
-			priv->rx_skb->dev=dev;
-		}else{
+			priv->rx_skb_complete = 0;
+			priv->rx_skb->dev = dev;
+		} else {
 			/* if we are here we should  have already RXed
 			* the first frame.
 			* If we get here and the skb is not allocated then
 			* we have just throw out garbage (skb not allocated)
 			* and we are still rxing garbage....
 			*/
-			if(!priv->rx_skb_complete){
+			if (!priv->rx_skb_complete) {
 
-				tmp_skb= dev_alloc_skb(priv->rx_skb->len +len+2);
+				tmp_skb = dev_alloc_skb(priv->rx_skb->len+len+2);
 
-				if(!tmp_skb) goto drop;
+				if (!tmp_skb)
+					goto drop;
 
-				tmp_skb->dev=dev;
+				tmp_skb->dev = dev;
 
-				memcpy(skb_put(tmp_skb,priv->rx_skb->len),
+				memcpy(skb_put(tmp_skb, priv->rx_skb->len),
 					priv->rx_skb->data,
 					priv->rx_skb->len);
 
 				dev_kfree_skb_any(priv->rx_skb);
 
-				priv->rx_skb=tmp_skb;
+				priv->rx_skb = tmp_skb;
 			}
 		}
 
-		if(!priv->rx_skb_complete) {
-			if(padding) {
-				memcpy(skb_put(priv->rx_skb,len),
-					(((unsigned char *)priv->rxbuffer->buf) + 2),len);
+		if (!priv->rx_skb_complete) {
+			if (padding) {
+				memcpy(skb_put(priv->rx_skb, len),
+					(((unsigned char *)priv->rxbuffer->buf) + 2), len);
 			} else {
-				memcpy(skb_put(priv->rx_skb,len),
-					priv->rxbuffer->buf,len);
+				memcpy(skb_put(priv->rx_skb, len),
+					priv->rxbuffer->buf, len);
 			}
 		}
 
-		if(last && !priv->rx_skb_complete){
-			if(priv->rx_skb->len > 4)
-				skb_trim(priv->rx_skb,priv->rx_skb->len-4);
-			if(!ieee80211_rtl_rx(priv->ieee80211,
+		if (last && !priv->rx_skb_complete) {
+			if (priv->rx_skb->len > 4)
+				skb_trim(priv->rx_skb, priv->rx_skb->len-4);
+			if (!ieee80211_rtl_rx(priv->ieee80211,
 					 priv->rx_skb, &stats))
 				dev_kfree_skb_any(priv->rx_skb);
-			priv->rx_skb_complete=1;
+			priv->rx_skb_complete = 1;
 		}
 
 		pci_dma_sync_single_for_device(priv->pdev,
@@ -1727,20 +1719,20 @@ void rtl8180_rx(struct net_device *dev)
 
 drop: // this is used when we have not enough mem
 		/* restore the descriptor */
-		*(priv->rxringtail+2)=priv->rxbuffer->dma;
-		*(priv->rxringtail)=*(priv->rxringtail) &~ 0xfff;
-		*(priv->rxringtail)=
+		*(priv->rxringtail+2) = priv->rxbuffer->dma;
+		*(priv->rxringtail) = *(priv->rxringtail) & ~0xfff;
+		*(priv->rxringtail) =
 			*(priv->rxringtail) | priv->rxbuffersize;
 
-		*(priv->rxringtail)=
+		*(priv->rxringtail) =
 			*(priv->rxringtail) | (1<<31);
 
-		priv->rxringtail+=rx_desc_size;
-		if(priv->rxringtail >=
-		   (priv->rxring)+(priv->rxringcount )*rx_desc_size)
-			priv->rxringtail=priv->rxring;
+		priv->rxringtail += rx_desc_size;
+		if (priv->rxringtail >=
+		   (priv->rxring)+(priv->rxringcount)*rx_desc_size)
+			priv->rxringtail = priv->rxring;
 
-		priv->rxbuffer=(priv->rxbuffer->next);
+		priv->rxbuffer = (priv->rxbuffer->next);
 	}
 }
 
@@ -1749,10 +1741,10 @@ void rtl8180_dma_kick(struct net_device *dev, int priority)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	rtl8180_set_mode(dev,EPROM_CMD_CONFIG);
+	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
 	write_nic_byte(dev, TX_DMA_POLLING,
 			(1 << (priority + 1)) | priv->dma_poll_mask);
-	rtl8180_set_mode(dev,EPROM_CMD_NORMAL);
+	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 
 	force_pci_posting(dev);
 }
@@ -1761,31 +1753,30 @@ void rtl8180_data_hard_stop(struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	rtl8180_set_mode(dev,EPROM_CMD_CONFIG);
+	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
 	priv->dma_poll_stop_mask |= TPPOLLSTOP_AC_VIQ;
-	write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask);
-	rtl8180_set_mode(dev,EPROM_CMD_NORMAL);
+	write_nic_byte(dev, TPPollStop, priv->dma_poll_stop_mask);
+	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 }
 
 void rtl8180_data_hard_resume(struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	rtl8180_set_mode(dev,EPROM_CMD_CONFIG);
+	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
 	priv->dma_poll_stop_mask &= ~(TPPOLLSTOP_AC_VIQ);
-	write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask);
-	rtl8180_set_mode(dev,EPROM_CMD_NORMAL);
+	write_nic_byte(dev, TPPollStop, priv->dma_poll_stop_mask);
+	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 }
 
 /* this function TX data frames when the ieee80211 stack requires this.
  * It checks also if we need to stop the ieee tx queue, eventually do it
  */
-void rtl8180_hard_data_xmit(struct sk_buff *skb,struct net_device *dev, int
-rate)
-{
+void rtl8180_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int
+rate) {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	int mode;
-	struct ieee80211_hdr_3addr  *h = (struct ieee80211_hdr_3addr  *) skb->data;
+	struct ieee80211_hdr_3addr *h = (struct ieee80211_hdr_3addr *) skb->data;
 	short morefrag = (h->frame_control) & IEEE80211_FCTL_MOREFRAGS;
 	unsigned long flags;
 	int priority;
@@ -1801,25 +1792,24 @@ rate)
 	* the ieee stack.
 	*/
 	priority = AC2Q(skb->priority);
-	spin_lock_irqsave(&priv->tx_lock,flags);
+	spin_lock_irqsave(&priv->tx_lock, flags);
 
-	if(priv->ieee80211->bHwRadioOff)
-	{
-		spin_unlock_irqrestore(&priv->tx_lock,flags);
+	if (priv->ieee80211->bHwRadioOff) {
+		spin_unlock_irqrestore(&priv->tx_lock, flags);
 
 		return;
 	}
 
-	if (!check_nic_enought_desc(dev, priority)){
+	if (!check_nic_enought_desc(dev, priority)) {
 		DMESGW("Error: no descriptor left by previous TX (avail %d) ",
 			get_curr_tx_free_desc(dev, priority));
 		ieee80211_rtl_stop_queue(priv->ieee80211);
 	}
-	rtl8180_tx(dev, skb->data, skb->len, priority, morefrag,0,rate);
+	rtl8180_tx(dev, skb->data, skb->len, priority, morefrag, 0, rate);
 	if (!check_nic_enought_desc(dev, priority))
 		ieee80211_rtl_stop_queue(priv->ieee80211);
 
-	spin_unlock_irqrestore(&priv->tx_lock,flags);
+	spin_unlock_irqrestore(&priv->tx_lock, flags);
 }
 
 /* This is a rough attempt to TX a frame
@@ -1833,7 +1823,7 @@ rate)
  * might use a different lock than tx_lock (for example mgmt_tx_lock)
  */
 /* these function may loops if invoked with 0 descriptors or 0 len buffer*/
-int rtl8180_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
+int rtl8180_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	unsigned long flags;
@@ -1841,66 +1831,68 @@ int rtl8180_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
 
 	priority = MANAGE_PRIORITY;
 
-	spin_lock_irqsave(&priv->tx_lock,flags);
+	spin_lock_irqsave(&priv->tx_lock, flags);
 
 	if (priv->ieee80211->bHwRadioOff) {
-		spin_unlock_irqrestore(&priv->tx_lock,flags);
+		spin_unlock_irqrestore(&priv->tx_lock, flags);
 		dev_kfree_skb_any(skb);
 		return NETDEV_TX_OK;
 	}
 
 	rtl8180_tx(dev, skb->data, skb->len, priority,
-		0, 0,ieeerate2rtlrate(priv->ieee80211->basic_rate));
+		0, 0, ieeerate2rtlrate(priv->ieee80211->basic_rate));
 
-	priv->ieee80211->stats.tx_bytes+=skb->len;
+	priv->ieee80211->stats.tx_bytes += skb->len;
 	priv->ieee80211->stats.tx_packets++;
-	spin_unlock_irqrestore(&priv->tx_lock,flags);
+	spin_unlock_irqrestore(&priv->tx_lock, flags);
 
 	dev_kfree_skb_any(skb);
 	return NETDEV_TX_OK;
 }
 
 // longpre 144+48 shortpre 72+24
-u16 rtl8180_len2duration(u32 len, short rate,short* ext)
+u16 rtl8180_len2duration(u32 len, short rate, short *ext)
 {
 	u16 duration;
 	u16 drift;
-	*ext=0;
+	*ext = 0;
 
-	switch(rate){
+	switch (rate) {
 	case 0://1mbps
-		*ext=0;
-		duration = ((len+4)<<4) /0x2;
+		*ext = 0;
+		duration = ((len+4)<<4) / 0x2;
 		drift = ((len+4)<<4) % 0x2;
-		if(drift ==0 ) break;
+		if (drift == 0)
+			break;
 		duration++;
 		break;
 	case 1://2mbps
-		*ext=0;
-		duration = ((len+4)<<4) /0x4;
+		*ext = 0;
+		duration = ((len+4)<<4) / 0x4;
 		drift = ((len+4)<<4) % 0x4;
-		if(drift ==0 ) break;
+		if (drift == 0)
+			break;
 		duration++;
 		break;
 	case 2: //5.5mbps
-		*ext=0;
-		duration = ((len+4)<<4) /0xb;
+		*ext = 0;
+		duration = ((len+4)<<4) / 0xb;
 		drift = ((len+4)<<4) % 0xb;
-		if(drift ==0 )
+		if (drift == 0)
 			break;
 		duration++;
 		break;
 	default:
 	case 3://11mbps
-		*ext=0;
-		duration = ((len+4)<<4) /0x16;
+		*ext = 0;
+		duration = ((len+4)<<4) / 0x16;
 		drift = ((len+4)<<4) % 0x16;
-		if(drift ==0 )
+		if (drift == 0)
 			break;
 		duration++;
-		if(drift > 6)
+		if (drift > 6)
 			break;
-		*ext=1;
+		*ext = 1;
 		break;
 	}
 
@@ -1914,13 +1906,13 @@ void rtl8180_prepare_beacon(struct net_device *dev)
 
 	u16 word  = read_nic_word(dev, BcnItv);
 	word &= ~BcnItv_BcnItv; // clear Bcn_Itv
-	word |= cpu_to_le16(priv->ieee80211->current_network.beacon_interval);//0x64;
+	word |= cpu_to_le16(priv->ieee80211->current_network.beacon_interval); //0x64;
 	write_nic_word(dev, BcnItv, word);
 
 	skb = ieee80211_get_beacon(priv->ieee80211);
-	if(skb){
-		rtl8180_tx(dev,skb->data,skb->len,BEACON_PRIORITY,
-			0,0,ieeerate2rtlrate(priv->ieee80211->basic_rate));
+	if (skb) {
+		rtl8180_tx(dev, skb->data, skb->len, BEACON_PRIORITY,
+			0, 0, ieeerate2rtlrate(priv->ieee80211->basic_rate));
 		dev_kfree_skb_any(skb);
 	}
 }
@@ -1933,7 +1925,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 		 short morefrag, short descfrag, int rate)
 {
 	struct r8180_priv *priv = ieee80211_priv(dev);
-	u32 *tail,*temp_tail;
+	u32 *tail, *temp_tail;
 	u32 *begin;
 	u32 *buf;
 	int i;
@@ -1942,7 +1934,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 	int count;
 	u16 duration;
 	short ext;
-	struct buffer* buflist;
+	struct buffer *buflist;
 	struct ieee80211_hdr_3addr *frag_hdr = (struct ieee80211_hdr_3addr *)txbuf;
 	u8 dest[ETH_ALEN];
 	u8			bUseShortPreamble = 0;
@@ -1954,46 +1946,46 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 	u16			TxDescDuration = 0;
 	u8			ownbit_flag = false;
 
-	switch(priority) {
+	switch (priority) {
 	case MANAGE_PRIORITY:
-		tail=priv->txmapringtail;
-		begin=priv->txmapring;
+		tail = priv->txmapringtail;
+		begin = priv->txmapring;
 		buflist = priv->txmapbufstail;
 		count = priv->txringcount;
 		break;
 	case BK_PRIORITY:
-		tail=priv->txbkpringtail;
-		begin=priv->txbkpring;
+		tail = priv->txbkpringtail;
+		begin = priv->txbkpring;
 		buflist = priv->txbkpbufstail;
 		count = priv->txringcount;
 		break;
 	case BE_PRIORITY:
-		tail=priv->txbepringtail;
-		begin=priv->txbepring;
+		tail = priv->txbepringtail;
+		begin = priv->txbepring;
 		buflist = priv->txbepbufstail;
 		count = priv->txringcount;
 		break;
 	case VI_PRIORITY:
-		tail=priv->txvipringtail;
-		begin=priv->txvipring;
+		tail = priv->txvipringtail;
+		begin = priv->txvipring;
 		buflist = priv->txvipbufstail;
 		count = priv->txringcount;
 		break;
 	case VO_PRIORITY:
-		tail=priv->txvopringtail;
-		begin=priv->txvopring;
+		tail = priv->txvopringtail;
+		begin = priv->txvopring;
 		buflist = priv->txvopbufstail;
 		count = priv->txringcount;
 		break;
 	case HI_PRIORITY:
-		tail=priv->txhpringtail;
-		begin=priv->txhpring;
+		tail = priv->txhpringtail;
+		begin = priv->txhpring;
 		buflist = priv->txhpbufstail;
 		count = priv->txringcount;
 		break;
 	case BEACON_PRIORITY:
-		tail=priv->txbeaconringtail;
-		begin=priv->txbeaconring;
+		tail = priv->txbeaconringtail;
+		begin = priv->txbeaconring;
 		buflist = priv->txbeaconbufstail;
 		count = priv->txbeaconcount;
 		break;
@@ -2004,8 +1996,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 
 		memcpy(&dest, frag_hdr->addr1, ETH_ALEN);
 		if (is_multicast_ether_addr(dest) ||
-				is_broadcast_ether_addr(dest))
-		{
+				is_broadcast_ether_addr(dest)) {
 			Duration = 0;
 			RtsDur = 0;
 			bRTSEnable = 0;
@@ -2021,19 +2012,18 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 
 			/* Figure out ACK rate according to BSS basic rate
 			 * and Tx rate. */
-			AckTime = ComputeTxTime(14, 10,0, 0);	// AckCTSLng = 14 use 1M bps send
+			AckTime = ComputeTxTime(14, 10, 0, 0);	// AckCTSLng = 14 use 1M bps send
 
-			if ( ((len + sCrcLng) > priv->rts) && priv->rts )
-			{ // RTS/CTS.
+			if (((len + sCrcLng) > priv->rts) && priv->rts) { // RTS/CTS.
 				u16 RtsTime, CtsTime;
 				//u16 CtsRate;
 				bRTSEnable = 1;
 				bCTSEnable = 0;
 
 				// Rate and time required for RTS.
-				RtsTime = ComputeTxTime( sAckCtsLng/8,priv->ieee80211->basic_rate, 0, 0);
+				RtsTime = ComputeTxTime(sAckCtsLng/8, priv->ieee80211->basic_rate, 0, 0);
 				// Rate and time required for CTS.
-				CtsTime = ComputeTxTime(14, 10,0, 0);	// AckCTSLng = 14 use 1M bps send
+				CtsTime = ComputeTxTime(14, 10, 0, 0);	// AckCTSLng = 14 use 1M bps send
 
 				// Figure out time required to transmit this frame.
 				ThisFrameTime = ComputeTxTime(len + sCrcLng,
@@ -2045,8 +2035,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 				RtsDur = CtsTime + ThisFrameTime + AckTime + 3*aSifsTime;
 
 				TxDescDuration = RtsTime + RtsDur;
-			}
-			else {// Normal case.
+			} else {// Normal case.
 				bCTSEnable = 0;
 				bRTSEnable = 0;
 				RtsDur = 0;
@@ -2060,10 +2049,10 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 				Duration = aSifsTime + AckTime;
 			} else { // One or more fragments remained.
 				u16 NextFragTime;
-				NextFragTime = ComputeTxTime( len + sCrcLng, //pretend following packet length equal current packet
+				NextFragTime = ComputeTxTime(len + sCrcLng, //pretend following packet length equal current packet
 						rtl8180_rate2rate(rate),
 						0,
-						bUseShortPreamble );
+						bUseShortPreamble);
 
 				//ThisFrag-ACk-NextFrag-ACK.
 				Duration = NextFragTime + 3*aSifsTime + 2*AckTime;
@@ -2073,17 +2062,17 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 
 		frag_hdr->duration_id = Duration;
 
-	buflen=priv->txbuffsize;
-	remain=len;
+	buflen = priv->txbuffsize;
+	remain = len;
 	temp_tail = tail;
 
-	while(remain!=0){
+	while (remain != 0) {
 		mb();
-		if(!buflist){
+		if (!buflist) {
 			DMESGE("TX buffer error, cannot TX frames. pri %d.", priority);
 			return -1;
 		}
-		buf=buflist->buf;
+		buf = buflist->buf;
 
 		if ((*tail & (1 << 31)) && (priority != BEACON_PRIORITY)) {
 			DMESGW("No more TX desc, returning %x of %x",
@@ -2092,7 +2081,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 			return remain;
 		}
 
-		*tail= 0; // zeroes header
+		*tail = 0; // zeroes header
 		*(tail+1) = 0;
 		*(tail+3) = 0;
 		*(tail+5) = 0;
@@ -2102,41 +2091,40 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 		/*FIXME: this should be triggered by HW encryption parameters.*/
 		*tail |= (1<<15); /* no encrypt */
 
-		if(remain==len && !descfrag) {
+		if (remain == len && !descfrag) {
 			ownbit_flag = false;
-			*tail = *tail| (1<<29) ; //fist segment of the packet
-			*tail = *tail |(len);
+			*tail = *tail | (1<<29) ; //fist segment of the packet
+			*tail = *tail | (len);
 		} else {
 			ownbit_flag = true;
 		}
 
-		for(i=0;i<buflen&& remain >0;i++,remain--){
-			((u8*)buf)[i]=txbuf[i]; //copy data into descriptor pointed DMAble buffer
-			if(remain == 4 && i+4 >= buflen) break;
+		for (i = 0; i < buflen && remain > 0; i++, remain--) {
+			((u8 *)buf)[i] = txbuf[i]; //copy data into descriptor pointed DMAble buffer
+			if (remain == 4 && i+4 >= buflen)
+				break;
 			/* ensure the last desc has at least 4 bytes payload */
 
 		}
 		txbuf = txbuf + i;
-		*(tail+3)=*(tail+3) &~ 0xfff;
-		*(tail+3)=*(tail+3) | i; // buffer lenght
+		*(tail+3) = *(tail+3) & ~0xfff;
+		*(tail+3) = *(tail+3) | i; // buffer lenght
 		// Use short preamble or not
 		if (priv->ieee80211->current_network.capability&WLAN_CAPABILITY_SHORT_PREAMBLE)
-			if (priv->plcp_preamble_mode==1 && rate!=0)	//  short mode now, not long!
+			if (priv->plcp_preamble_mode == 1 && rate != 0)	//  short mode now, not long!
 			;//	*tail |= (1<<16);				// enable short preamble mode.
 
-		if(bCTSEnable) {
+		if (bCTSEnable)
 			*tail |= (1<<18);
-		}
 
-		if(bRTSEnable) //rts enable
-		{
+		if (bRTSEnable) { //rts enable
 			*tail |= ((ieeerate2rtlrate(priv->ieee80211->basic_rate))<<19);//RTS RATE
 			*tail |= (1<<23);//rts enable
-			*(tail+1) |=(RtsDur&0xffff);//RTS Duration
+			*(tail+1) |= (RtsDur&0xffff);//RTS Duration
 		}
 		*(tail+3) |= ((TxDescDuration&0xffff)<<16); //DURATION
 //	        *(tail+3) |= (0xe6<<16);
-        	*(tail+5) |= (11<<8);//(priv->retry_data<<8); //retry lim ;
+		*(tail+5) |= (11<<8);//(priv->retry_data<<8); //retry lim ;
 
 		*tail = *tail | ((rate&0xf) << 24);
 
@@ -2145,71 +2133,72 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 		if (!priv->hw_plcp_len) {
 			duration = rtl8180_len2duration(len, rate, &ext);
 			*(tail+1) = *(tail+1) | ((duration & 0x7fff)<<16);
-			if(ext) *(tail+1) = *(tail+1) |(1<<31); //plcp length extension
+			if (ext)
+				*(tail+1) = *(tail+1) | (1<<31); //plcp length extension
 		}
 
-		if(morefrag) *tail = (*tail) | (1<<17); // more fragment
-		if(!remain) *tail = (*tail) | (1<<28); // last segment of frame
+		if (morefrag)
+			*tail = (*tail) | (1<<17); // more fragment
+		if (!remain)
+			*tail = (*tail) | (1<<28); // last segment of frame
 
 		*(tail+5) = *(tail+5)|(2<<27);
 		*(tail+7) = *(tail+7)|(1<<4);
 
 		wmb();
-		if(ownbit_flag)
-		{
+		if (ownbit_flag)
 			*tail = *tail | (1<<31); // descriptor ready to be txed
-		}
 
-		if((tail - begin)/8 == count-1)
-			tail=begin;
+		if ((tail - begin)/8 == count-1)
+			tail = begin;
 		else
-			tail=tail+8;
+			tail = tail+8;
 
-		buflist=buflist->next;
+		buflist = buflist->next;
 
 		mb();
 
-		switch(priority) {
-			case MANAGE_PRIORITY:
-				priv->txmapringtail=tail;
-				priv->txmapbufstail=buflist;
-				break;
-			case BK_PRIORITY:
-				priv->txbkpringtail=tail;
-				priv->txbkpbufstail=buflist;
-				break;
-			case BE_PRIORITY:
-				priv->txbepringtail=tail;
-				priv->txbepbufstail=buflist;
-				break;
-			case VI_PRIORITY:
-				priv->txvipringtail=tail;
-				priv->txvipbufstail=buflist;
-				break;
-			case VO_PRIORITY:
-				priv->txvopringtail=tail;
-				priv->txvopbufstail=buflist;
-				break;
-			case HI_PRIORITY:
-				priv->txhpringtail=tail;
-				priv->txhpbufstail = buflist;
-				break;
-			case BEACON_PRIORITY:
-				/* the HW seems to be happy with the 1st
-				 * descriptor filled and the 2nd empty...
-				 * So always update descriptor 1 and never
-				 * touch 2nd
-				 */
-				break;
+		switch (priority) {
+		case MANAGE_PRIORITY:
+			priv->txmapringtail = tail;
+			priv->txmapbufstail = buflist;
+			break;
+		case BK_PRIORITY:
+			priv->txbkpringtail = tail;
+			priv->txbkpbufstail = buflist;
+			break;
+		case BE_PRIORITY:
+			priv->txbepringtail = tail;
+			priv->txbepbufstail = buflist;
+			break;
+		case VI_PRIORITY:
+			priv->txvipringtail = tail;
+			priv->txvipbufstail = buflist;
+			break;
+		case VO_PRIORITY:
+			priv->txvopringtail = tail;
+			priv->txvopbufstail = buflist;
+			break;
+		case HI_PRIORITY:
+			priv->txhpringtail = tail;
+			priv->txhpbufstail = buflist;
+			break;
+		case BEACON_PRIORITY:
+			/* the HW seems to be happy with the 1st
+			 * descriptor filled and the 2nd empty...
+			 * So always update descriptor 1 and never
+			 * touch 2nd
+			 */
+			break;
 		}
 	}
 	*temp_tail = *temp_tail | (1<<31); // descriptor ready to be txed
-	rtl8180_dma_kick(dev,priority);
+	rtl8180_dma_kick(dev, priority);
 
 	return 0;
 }
 
-void rtl8180_irq_rx_tasklet(struct r8180_priv * priv);
+void rtl8180_irq_rx_tasklet(struct r8180_priv *priv);
 
 void rtl8180_link_change(struct net_device *dev)
 {
@@ -2219,13 +2208,13 @@ void rtl8180_link_change(struct net_device *dev)
 
 	rtl8180_update_msr(dev);
 
-	rtl8180_set_mode(dev,EPROM_CMD_CONFIG);
+	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
 
-	write_nic_dword(dev,BSSID,((u32*)net->bssid)[0]);
-	write_nic_word(dev,BSSID+4,((u16*)net->bssid)[2]);
+	write_nic_dword(dev, BSSID, ((u32 *)net->bssid)[0]);
+	write_nic_word(dev, BSSID+4, ((u16 *)net->bssid)[2]);
 
-	beacon_interval  = read_nic_dword(dev,BEACON_INTERVAL);
-	beacon_interval &= ~ BEACON_INTERVAL_MASK;
+	beacon_interval  = read_nic_dword(dev, BEACON_INTERVAL);
+	beacon_interval &= ~BEACON_INTERVAL_MASK;
 	beacon_interval |= net->beacon_interval;
 	write_nic_dword(dev, BEACON_INTERVAL, beacon_interval);
 
@@ -2234,42 +2223,50 @@ void rtl8180_link_change(struct net_device *dev)
 	rtl8180_set_chan(dev, priv->chan);
 }
 
-void rtl8180_rq_tx_ack(struct net_device *dev){
+void rtl8180_rq_tx_ack(struct net_device *dev)
+{
 
 	struct r8180_priv *priv = ieee80211_priv(dev);
 
-	write_nic_byte(dev,CONFIG4,read_nic_byte(dev,CONFIG4)|CONFIG4_PWRMGT);
+	write_nic_byte(dev, CONFIG4, read_nic_byte(dev, CONFIG4) | CONFIG4_PWRMGT);
 	priv->ack_tx_to_ieee = 1;
 }
 
-short rtl8180_is_tx_queue_empty(struct net_device *dev){
+short rtl8180_is_tx_queue_empty(struct net_device *dev)
+{
 
 	struct r8180_priv *priv = ieee80211_priv(dev);
-	u32* d;
+	u32 *d;
 
 	for (d = priv->txmapring;
-		d < priv->txmapring + priv->txringcount;d+=8)
-			if(*d & (1<<31)) return 0;
+		d < priv->txmapring + priv->txringcount; d += 8)
+			if (*d & (1<<31))
+				return 0;
 
 	for (d = priv->txbkpring;
-		d < priv->txbkpring + priv->txringcount;d+=8)
-			if(*d & (1<<31)) return 0;
+		d < priv->txbkpring + priv->txringcount; d += 8)
+			if (*d & (1<<31))
+				return 0;
 
 	for (d = priv->txbepring;
-		d < priv->txbepring + priv->txringcount;d+=8)
-			if(*d & (1<<31)) return 0;
+		d < priv->txbepring + priv->txringcount; d += 8)
+			if (*d & (1<<31))
+				return 0;
 
 	for (d = priv->txvipring;
-		d < priv->txvipring + priv->txringcount;d+=8)
-			if(*d & (1<<31)) return 0;
+		d < priv->txvipring + priv->txringcount; d += 8)
+			if (*d & (1<<31))
+				return 0;
 
 	for (d = priv->txvopring;
-		d < priv->txvopring + priv->txringcount;d+=8)
-			if(*d & (1<<31)) return 0;
+		d < priv->txvopring + priv->txringcount; d += 8)
+			if (*d & (1<<31))
+				return 0;
 
 	for (d = priv->txhpring;
-		d < priv->txhpring + priv->txringcount;d+=8)
-			if(*d & (1<<31)) return 0;
+		d < priv->txhpring + priv->txringcount; d += 8)
+			if (*d & (1<<31))
+				return 0;
 	return 1;
 }
 /* FIXME FIXME 5msecs is random */
@@ -2280,11 +2277,11 @@ void rtl8180_hw_wakeup(struct net_device *dev)
 	unsigned long flags;
 	struct r8180_priv *priv = ieee80211_priv(dev);
 
-	spin_lock_irqsave(&priv->ps_lock,flags);
-	write_nic_byte(dev,CONFIG4,read_nic_byte(dev,CONFIG4)&~CONFIG4_PWRMGT);
+	spin_lock_irqsave(&priv->ps_lock, flags);
+	write_nic_byte(dev, CONFIG4, read_nic_byte(dev, CONFIG4) & ~CONFIG4_PWRMGT);
 	if (priv->rf_wakeup)
 		priv->rf_wakeup(dev);
-	spin_unlock_irqrestore(&priv->ps_lock,flags);
+	spin_unlock_irqrestore(&priv->ps_lock, flags);
 }
 
 void rtl8180_hw_sleep_down(struct net_device *dev)
@@ -2304,7 +2301,7 @@ void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl)
 	u32 rb = jiffies;
 	unsigned long flags;
 
-	spin_lock_irqsave(&priv->ps_lock,flags);
+	spin_lock_irqsave(&priv->ps_lock, flags);
 
 	/* Writing HW register with 0 equals to disable
 	 * the timer, that is not really what we want
@@ -2314,15 +2311,15 @@ void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl)
 	/* If the interval in witch we are requested to sleep is too
 	 * short then give up and remain awake
 	 */
-	if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
-		||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
-		spin_unlock_irqrestore(&priv->ps_lock,flags);
+	if (((tl >= rb) && (tl-rb) <= MSECS(MIN_SLEEP_TIME))
+		|| ((rb > tl) && (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
+		spin_unlock_irqrestore(&priv->ps_lock, flags);
 		printk("too short to sleep\n");
 		return;
 	}
 
 	{
-		u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
+		u32 tmp = (tl > rb) ? (tl-rb) : (rb-tl);
 
 		priv->DozePeriodInPast2Sec += jiffies_to_msecs(tmp);
 
@@ -2332,19 +2329,19 @@ void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl)
 	 * while setting it, then give up
 	 */
 
-	if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
+	if (((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME))) ||
 		((tl < rb) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))) {
-		spin_unlock_irqrestore(&priv->ps_lock,flags);
+		spin_unlock_irqrestore(&priv->ps_lock, flags);
 		return;
 	}
 
 	queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_sleep_wq);
-	spin_unlock_irqrestore(&priv->ps_lock,flags);
+	spin_unlock_irqrestore(&priv->ps_lock, flags);
 }
 
-void rtl8180_wmm_param_update(struct work_struct * work)
+void rtl8180_wmm_param_update(struct work_struct *work)
 {
-	struct ieee80211_device * ieee = container_of(work, struct ieee80211_device,wmm_param_update_wq);
+	struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wmm_param_update_wq);
 	struct net_device *dev = ieee->dev;
 	u8 *ac_param = (u8 *)(ieee->current_network.wmm_param);
 	u8 mode = ieee->current_network.mode;
@@ -2353,7 +2350,7 @@ void rtl8180_wmm_param_update(struct work_struct * work)
 	PAC_PARAM	pAcParam;
 	u8 i;
 
-	if(!ieee->current_network.QoS_Enable){
+	if (!ieee->current_network.QoS_Enable) {
 		//legacy ac_xx_param update
 		AcParam.longData = 0;
 		AcParam.f.AciAifsn.f.AIFSN = 2; // Follow 802.11 DIFS.
@@ -2361,58 +2358,19 @@ void rtl8180_wmm_param_update(struct work_struct * work)
 		AcParam.f.Ecw.f.ECWmin = 3; // Follow 802.11 CWmin.
 		AcParam.f.Ecw.f.ECWmax = 7; // Follow 802.11 CWmax.
 		AcParam.f.TXOPLimit = 0;
-		for(eACI = 0; eACI < AC_MAX; eACI++){
+		for (eACI = 0; eACI < AC_MAX; eACI++) {
 			AcParam.f.AciAifsn.f.ACI = (u8)eACI;
 			{
 				u8		u1bAIFS;
 				u32		u4bAcParam;
 				pAcParam = (PAC_PARAM)(&AcParam);
 				// Retrive paramters to udpate.
-				u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN *(((mode&IEEE_G) == IEEE_G)?9:20) + aSifsTime;
+				u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G) ? 9 : 20) + aSifsTime;
 				u4bAcParam = ((((u32)(pAcParam->f.TXOPLimit))<<AC_PARAM_TXOP_LIMIT_OFFSET)|
 					      (((u32)(pAcParam->f.Ecw.f.ECWmax))<<AC_PARAM_ECW_MAX_OFFSET)|
 					      (((u32)(pAcParam->f.Ecw.f.ECWmin))<<AC_PARAM_ECW_MIN_OFFSET)|
 					       (((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET));
-				switch(eACI){
-					case AC1_BK:
-						write_nic_dword(dev, AC_BK_PARAM, u4bAcParam);
-						break;
-					case AC0_BE:
-						write_nic_dword(dev, AC_BE_PARAM, u4bAcParam);
-						break;
-					case AC2_VI:
-						write_nic_dword(dev, AC_VI_PARAM, u4bAcParam);
-						break;
-					case AC3_VO:
-						write_nic_dword(dev, AC_VO_PARAM, u4bAcParam);
-						break;
-					default:
-						printk(KERN_WARNING "SetHwReg8185():invalid ACI: %d!\n", eACI);
-						break;
-				}
-			}
-		}
-		return;
-	}
-
-	for(i = 0; i < AC_MAX; i++){
-		//AcParam.longData = 0;
-		pAcParam = (AC_PARAM * )ac_param;
-		{
-			AC_CODING	eACI;
-			u8		u1bAIFS;
-			u32		u4bAcParam;
-
-			// Retrive paramters to udpate.
-			eACI = pAcParam->f.AciAifsn.f.ACI;
-			//Mode G/A: slotTimeTimer = 9; Mode B: 20
-			u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G)?9:20) + aSifsTime;
-			u4bAcParam = (	(((u32)(pAcParam->f.TXOPLimit)) << AC_PARAM_TXOP_LIMIT_OFFSET)	|
-					(((u32)(pAcParam->f.Ecw.f.ECWmax)) << AC_PARAM_ECW_MAX_OFFSET)	|
-					(((u32)(pAcParam->f.Ecw.f.ECWmin)) << AC_PARAM_ECW_MIN_OFFSET)	|
-					(((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET));
-
-			switch(eACI){
+				switch (eACI) {
 				case AC1_BK:
 					write_nic_dword(dev, AC_BK_PARAM, u4bAcParam);
 					break;
@@ -2426,8 +2384,47 @@ void rtl8180_wmm_param_update(struct work_struct * work)
 					write_nic_dword(dev, AC_VO_PARAM, u4bAcParam);
 					break;
 				default:
-					printk(KERN_WARNING "SetHwReg8185(): invalid ACI: %d !\n", eACI);
+					printk(KERN_WARNING "SetHwReg8185():invalid ACI: %d!\n", eACI);
 					break;
+				}
+			}
+		}
+		return;
+	}
+
+	for (i = 0; i < AC_MAX; i++) {
+		//AcParam.longData = 0;
+		pAcParam = (AC_PARAM *)ac_param;
+		{
+			AC_CODING	eACI;
+			u8		u1bAIFS;
+			u32		u4bAcParam;
+
+			// Retrive paramters to udpate.
+			eACI = pAcParam->f.AciAifsn.f.ACI;
+			//Mode G/A: slotTimeTimer = 9; Mode B: 20
+			u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G) ? 9 : 20) + aSifsTime;
+			u4bAcParam = ((((u32)(pAcParam->f.TXOPLimit)) << AC_PARAM_TXOP_LIMIT_OFFSET)	|
+					(((u32)(pAcParam->f.Ecw.f.ECWmax)) << AC_PARAM_ECW_MAX_OFFSET)	|
+					(((u32)(pAcParam->f.Ecw.f.ECWmin)) << AC_PARAM_ECW_MIN_OFFSET)	|
+					(((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET));
+
+			switch (eACI) {
+			case AC1_BK:
+				write_nic_dword(dev, AC_BK_PARAM, u4bAcParam);
+				break;
+			case AC0_BE:
+				write_nic_dword(dev, AC_BE_PARAM, u4bAcParam);
+				break;
+			case AC2_VI:
+				write_nic_dword(dev, AC_VI_PARAM, u4bAcParam);
+				break;
+			case AC3_VO:
+				write_nic_dword(dev, AC_VO_PARAM, u4bAcParam);
+				break;
+			default:
+				printk(KERN_WARNING "SetHwReg8185(): invalid ACI: %d !\n", eACI);
+				break;
 			}
 		}
 		ac_param += (sizeof(AC_PARAM));
@@ -2453,7 +2450,7 @@ void watch_dog_adaptive(unsigned long data)
 	}
 
 	// Tx High Power Mechanism.
-	if(CheckHighPower((struct net_device *)data))
+	if (CheckHighPower((struct net_device *)data))
 		queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->tx_pw_wq);
 
 	// Tx Power Tracking on 87SE.
@@ -2461,26 +2458,26 @@ void watch_dog_adaptive(unsigned long data)
 		TxPwrTracking87SE((struct net_device *)data);
 
 	// Perform DIG immediately.
-	if(CheckDig((struct net_device *)data) == true)
+	if (CheckDig((struct net_device *)data) == true)
 		queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_dig_wq);
-   	rtl8180_watch_dog((struct net_device *)data);
+	rtl8180_watch_dog((struct net_device *)data);
 
 	queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->GPIOChangeRFWorkItem);
 
-   	priv->watch_dog_timer.expires = jiffies + MSECS(IEEE80211_WATCH_DOG_TIME);
+	priv->watch_dog_timer.expires = jiffies + MSECS(IEEE80211_WATCH_DOG_TIME);
 	add_timer(&priv->watch_dog_timer);
 }
 
 static CHANNEL_LIST ChannelPlan[] = {
-	{{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64},19},  		//FCC
-	{{1,2,3,4,5,6,7,8,9,10,11},11},                    				//IC
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},  	//ETSI
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},    //Spain. Change to ETSI.
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},  	//France. Change to ETSI.
-	{{14,36,40,44,48,52,56,60,64},9},						//MKK
+	{{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64},19},		//FCC
+	{{1,2,3,4,5,6,7,8,9,10,11},11},					//IC
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	//ETSI
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	//Spain. Change to ETSI.
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	//France. Change to ETSI.
+	{{14,36,40,44,48,52,56,60,64},9},				//MKK
 	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14, 36,40,44,48,52,56,60,64},22},//MKK1
 	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	//Israel.
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,34,38,42,46},17},			// For 11a , TELEC
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,34,38,42,46},17},		// For 11a , TELEC
 	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14},  //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
 	{{1,2,3,4,5,6,7,8,9,10,11,12,13},13} //world wide 13: ch1~ch11 active scan, ch12~13 passive //lzm add 080826
 };
@@ -2490,57 +2487,53 @@ static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ie
 	int i;
 
 	//lzm add 080826
-	ieee->MinPassiveChnlNum=MAX_CHANNEL_NUMBER+1;
-	ieee->IbssStartChnl=0;
+	ieee->MinPassiveChnlNum = MAX_CHANNEL_NUMBER+1;
+	ieee->IbssStartChnl = 0;
 
-	switch (channel_plan)
-	{
-		case COUNTRY_CODE_FCC:
-		case COUNTRY_CODE_IC:
-		case COUNTRY_CODE_ETSI:
-		case COUNTRY_CODE_SPAIN:
-		case COUNTRY_CODE_FRANCE:
-		case COUNTRY_CODE_MKK:
-		case COUNTRY_CODE_MKK1:
-		case COUNTRY_CODE_ISRAEL:
-		case COUNTRY_CODE_TELEC:
+	switch (channel_plan) {
+	case COUNTRY_CODE_FCC:
+	case COUNTRY_CODE_IC:
+	case COUNTRY_CODE_ETSI:
+	case COUNTRY_CODE_SPAIN:
+	case COUNTRY_CODE_FRANCE:
+	case COUNTRY_CODE_MKK:
+	case COUNTRY_CODE_MKK1:
+	case COUNTRY_CODE_ISRAEL:
+	case COUNTRY_CODE_TELEC:
 		{
 			Dot11d_Init(ieee);
 			ieee->bGlobalDomain = false;
-			if (ChannelPlan[channel_plan].Len != 0){
+			if (ChannelPlan[channel_plan].Len != 0) {
 				// Clear old channel map
 				memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
 				// Set new channel map
-				for (i=0;i<ChannelPlan[channel_plan].Len;i++)
-				{
-					if(ChannelPlan[channel_plan].Channel[i] <= 14)
+				for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
+					if (ChannelPlan[channel_plan].Channel[i] <= 14)
 						GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
 				}
 			}
 			break;
 		}
-		case COUNTRY_CODE_GLOBAL_DOMAIN:
+	case COUNTRY_CODE_GLOBAL_DOMAIN:
 		{
 			GET_DOT11D_INFO(ieee)->bEnabled = 0;
 			Dot11d_Reset(ieee);
 			ieee->bGlobalDomain = true;
 			break;
 		}
-		case COUNTRY_CODE_WORLD_WIDE_13_INDEX://lzm add 080826
+	case COUNTRY_CODE_WORLD_WIDE_13_INDEX://lzm add 080826
 		{
-		ieee->MinPassiveChnlNum=12;
-		ieee->IbssStartChnl= 10;
-		break;
+			ieee->MinPassiveChnlNum = 12;
+			ieee->IbssStartChnl = 10;
+			break;
 		}
-		default:
+	default:
 		{
 			Dot11d_Init(ieee);
 			ieee->bGlobalDomain = false;
 			memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
-			for (i=1;i<=14;i++)
-			{
+			for (i = 1; i <= 14; i++)
 				GET_DOT11D_INFO(ieee)->channel_map[i] = 1;
-			}
 			break;
 		}
 	}
@@ -2609,12 +2602,12 @@ short rtl8180_init(struct net_device *dev)
 
 	eeprom_93cx6_read(&eeprom, EEPROM_COUNTRY_CODE>>1, &eeprom_val);
 	priv->channel_plan = eeprom_val & 0xFF;
-	if(priv->channel_plan > COUNTRY_CODE_GLOBAL_DOMAIN){
+	if (priv->channel_plan > COUNTRY_CODE_GLOBAL_DOMAIN) {
 		printk("rtl8180_init:Error channel plan! Set to default.\n");
 		priv->channel_plan = 0;
 	}
 
-	DMESG("Channel plan is %d\n",priv->channel_plan);
+	DMESG("Channel plan is %d\n", priv->channel_plan);
 	rtl8180_set_channel_map(priv->channel_plan, priv->ieee80211);
 
 	//FIXME: these constants are placed in a bad pleace.
@@ -2630,7 +2623,7 @@ short rtl8180_init(struct net_device *dev)
 	priv->RFProgType = 0;
 	priv->bInHctTest = false;
 
-	priv->irq_enabled=0;
+	priv->irq_enabled = 0;
 
 	rtl8180_statistics_init(&priv->stats);
 	rtl8180_link_detect_init(&priv->link_detect);
@@ -2652,8 +2645,8 @@ short rtl8180_init(struct net_device *dev)
 	priv->ieee80211->ps_is_queue_empty = rtl8180_is_tx_queue_empty;
 
 	priv->hw_wep = hwwep;
-	priv->prism_hdr=0;
-	priv->dev=dev;
+	priv->prism_hdr = 0;
+	priv->dev = dev;
 	priv->retry_rts = DEFAULT_RETRY_RTS;
 	priv->retry_data = DEFAULT_RETRY_DATA;
 	priv->RFChangeInProgress = false;
@@ -2836,7 +2829,7 @@ short rtl8180_init(struct net_device *dev)
 
 	eeprom_93cx6_read(&eeprom, EEPROM_SW_REVD_OFFSET, &eeprom_val);
 	usValue = eeprom_val;
-	DMESG("usValue is 0x%x\n",usValue);
+	DMESG("usValue is 0x%x\n", usValue);
 	//3Read AntennaDiversity
 
 	// SW Antenna Diversity.
@@ -2851,19 +2844,19 @@ short rtl8180_init(struct net_device *dev)
 	else
 		priv->EEPROMDefaultAntenna1 = true;
 
-	if( priv->RegSwAntennaDiversityMechanism == 0 ) // Auto
+	if (priv->RegSwAntennaDiversityMechanism == 0) // Auto
 		/* 0: default from EEPROM. */
 		priv->bSwAntennaDiverity = priv->EEPROMSwAntennaDiversity;
 	else
 		/* 1:disable antenna diversity, 2: enable antenna diversity. */
-		priv->bSwAntennaDiverity = ((priv->RegSwAntennaDiversityMechanism == 1)? false : true);
+		priv->bSwAntennaDiverity = ((priv->RegSwAntennaDiversityMechanism == 1) ? false : true);
 
 	if (priv->RegDefaultAntenna == 0)
 		/* 0: default from EEPROM. */
 		priv->bDefaultAntenna1 = priv->EEPROMDefaultAntenna1;
 	else
 		/* 1: main, 2: aux. */
-		priv->bDefaultAntenna1 = ((priv->RegDefaultAntenna== 2) ? true : false);
+		priv->bDefaultAntenna1 = ((priv->RegDefaultAntenna == 2) ? true : false);
 
 	/* rtl8185 can calc plcp len in HW.*/
 	priv->hw_plcp_len = 1;
@@ -2871,17 +2864,17 @@ short rtl8180_init(struct net_device *dev)
 	priv->plcp_preamble_mode = 2;
 	/*the eeprom type is stored in RCR register bit #6 */
 	if (RCR_9356SEL & read_nic_dword(dev, RCR))
-		priv->epromtype=EPROM_93c56;
+		priv->epromtype = EPROM_93c56;
 	else
-		priv->epromtype=EPROM_93c46;
+		priv->epromtype = EPROM_93c46;
 
 	eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *)
 			       dev->dev_addr, 3);
 
-	for(i=1,j=0; i<14; i+=2,j++){
+	for (i = 1, j = 0; i < 14; i += 2, j++) {
 		eeprom_93cx6_read(&eeprom, EPROM_TXPW_CH1_2 + j, &word);
-		priv->chtxpwr[i]=word & 0xff;
-		priv->chtxpwr[i+1]=(word & 0xff00)>>8;
+		priv->chtxpwr[i] = word & 0xff;
+		priv->chtxpwr[i+1] = (word & 0xff00)>>8;
 	}
 	for (i = 1, j = 0; i < 14; i += 2, j++) {
 		eeprom_93cx6_read(&eeprom, EPROM_TXPW_OFDM_CH1_2 + j, &word);
@@ -2908,7 +2901,7 @@ short rtl8180_init(struct net_device *dev)
 	priv->ofdm_txpwr_base = (word>>4) & 0xf;
 
 	eeprom_93cx6_read(&eeprom, EPROM_VERSION, &version);
-	DMESG("EEPROM version %x",version);
+	DMESG("EEPROM version %x", version);
 	priv->rcr_csense = 3;
 
 	eeprom_93cx6_read(&eeprom, ENERGY_TRESHOLD, &eeprom_val);
@@ -2924,43 +2917,43 @@ short rtl8180_init(struct net_device *dev)
 	priv->rf_set_chan = rtl8225z2_rf_set_chan;
 	priv->rf_set_sens = NULL;
 
-	if (0!=alloc_rx_desc_ring(dev, priv->rxbuffersize, priv->rxringcount))
+	if (0 != alloc_rx_desc_ring(dev, priv->rxbuffersize, priv->rxringcount))
 		return -ENOMEM;
 
-	if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
+	if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
 				  TX_MANAGEPRIORITY_RING_ADDR))
 		return -ENOMEM;
 
-	if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
+	if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
 				 TX_BKPRIORITY_RING_ADDR))
 		return -ENOMEM;
 
-	if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
+	if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
 				 TX_BEPRIORITY_RING_ADDR))
 		return -ENOMEM;
 
-	if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
+	if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
 				  TX_VIPRIORITY_RING_ADDR))
 		return -ENOMEM;
 
-	if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
+	if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
 				  TX_VOPRIORITY_RING_ADDR))
 		return -ENOMEM;
 
-	if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
+	if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount,
 				  TX_HIGHPRIORITY_RING_ADDR))
 		return -ENOMEM;
 
-	if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txbeaconcount,
+	if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txbeaconcount,
 				  TX_BEACON_RING_ADDR))
 		return -ENOMEM;
 
-        if(request_irq(dev->irq, (void *)rtl8180_interrupt, IRQF_SHARED, dev->name, dev)){
+	if (request_irq(dev->irq, (void *)rtl8180_interrupt, IRQF_SHARED, dev->name, dev)) {
 		DMESGE("Error allocating IRQ %d", dev->irq);
 		return -1;
-	}else{
-		priv->irq=dev->irq;
-		DMESG("IRQ %d",dev->irq);
+	} else {
+		priv->irq = dev->irq;
+		DMESG("IRQ %d", dev->irq);
 	}
 
 	return 0;
@@ -2977,28 +2970,28 @@ void rtl8180_set_hw_wep(struct net_device *dev)
 	u8 security;
 	u32 key0_word4;
 
-	pgreg=read_nic_byte(dev, PGSELECT);
-	write_nic_byte(dev, PGSELECT, pgreg &~ (1<<PGSELECT_PG_SHIFT));
+	pgreg = read_nic_byte(dev, PGSELECT);
+	write_nic_byte(dev, PGSELECT, pgreg & ~(1<<PGSELECT_PG_SHIFT));
 
 	key0_word4 = read_nic_dword(dev, KEY0+4+4+4);
-	key0_word4 &= ~ 0xff;
-	key0_word4 |= priv->key0[3]& 0xff;
-	write_nic_dword(dev,KEY0,(priv->key0[0]));
-	write_nic_dword(dev,KEY0+4,(priv->key0[1]));
-	write_nic_dword(dev,KEY0+4+4,(priv->key0[2]));
-	write_nic_dword(dev,KEY0+4+4+4,(key0_word4));
+	key0_word4 &= ~0xff;
+	key0_word4 |= priv->key0[3] & 0xff;
+	write_nic_dword(dev, KEY0, (priv->key0[0]));
+	write_nic_dword(dev, KEY0+4, (priv->key0[1]));
+	write_nic_dword(dev, KEY0+4+4, (priv->key0[2]));
+	write_nic_dword(dev, KEY0+4+4+4, (key0_word4));
 
-	security  = read_nic_byte(dev,SECURITY);
+	security  = read_nic_byte(dev, SECURITY);
 	security |= (1<<SECURITY_WEP_TX_ENABLE_SHIFT);
 	security |= (1<<SECURITY_WEP_RX_ENABLE_SHIFT);
-	security &= ~ SECURITY_ENCRYP_MASK;
+	security &= ~SECURITY_ENCRYP_MASK;
 	security |= (SECURITY_ENCRYP_104<<SECURITY_ENCRYP_SHIFT);
 
 	write_nic_byte(dev, SECURITY, security);
 
-	DMESG("key %x %x %x %x",read_nic_dword(dev,KEY0+4+4+4),
-	      read_nic_dword(dev,KEY0+4+4),read_nic_dword(dev,KEY0+4),
-	      read_nic_dword(dev,KEY0));
+	DMESG("key %x %x %x %x", read_nic_dword(dev, KEY0+4+4+4),
+	      read_nic_dword(dev, KEY0+4+4), read_nic_dword(dev, KEY0+4),
+	      read_nic_dword(dev, KEY0));
 }
 
 
@@ -3020,7 +3013,7 @@ void rtl8185_set_anaparam2(struct net_device *dev, u32 a)
 	write_nic_dword(dev, ANAPARAM2, a);
 
 	conf3 = read_nic_byte(dev, CONFIG3);
-	write_nic_byte(dev, CONFIG3, conf3 &~(1<<CONFIG3_ANAPARAM_W_SHIFT));
+	write_nic_byte(dev, CONFIG3, conf3 & ~(1<<CONFIG3_ANAPARAM_W_SHIFT));
 	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 }
 
@@ -3035,7 +3028,7 @@ void rtl8180_set_anaparam(struct net_device *dev, u32 a)
 	write_nic_dword(dev, ANAPARAM, a);
 
 	conf3 = read_nic_byte(dev, CONFIG3);
-	write_nic_byte(dev, CONFIG3, conf3 &~(1<<CONFIG3_ANAPARAM_W_SHIFT));
+	write_nic_byte(dev, CONFIG3, conf3 & ~(1<<CONFIG3_ANAPARAM_W_SHIFT));
 	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 }
 
@@ -3052,13 +3045,13 @@ void rtl8185_write_phy(struct net_device *dev, u8 adr, u32 data)
 
 	adr |= 0x80;
 
-	phyw= ((data<<8) | adr);
+	phyw = ((data<<8) | adr);
 
 	// Note that, we must write 0xff7c after 0x7d-0x7f to write BB register.
 	write_nic_byte(dev, 0x7f, ((phyw & 0xff000000) >> 24));
 	write_nic_byte(dev, 0x7e, ((phyw & 0x00ff0000) >> 16));
 	write_nic_byte(dev, 0x7d, ((phyw & 0x0000ff00) >> 8));
-	write_nic_byte(dev, 0x7c, ((phyw & 0x000000ff) ));
+	write_nic_byte(dev, 0x7c, ((phyw & 0x000000ff)));
 
 	/* this is ok to fail when we write AGC table. check for AGC table might be
 	 * done by masking with 0x7f instead of 0xff
@@ -3066,13 +3059,13 @@ void rtl8185_write_phy(struct net_device *dev, u8 adr, u32 data)
 	//if(phyr != (data&0xff)) DMESGW("Phy write timeout %x %x %x", phyr, data,adr);
 }
 
-inline void write_phy_ofdm (struct net_device *dev, u8 adr, u32 data)
+inline void write_phy_ofdm(struct net_device *dev, u8 adr, u32 data)
 {
 	data = data & 0xff;
 	rtl8185_write_phy(dev, adr, data);
 }
 
-void write_phy_cck (struct net_device *dev, u8 adr, u32 data)
+void write_phy_cck(struct net_device *dev, u8 adr, u32 data)
 {
 	data = data & 0xff;
 	rtl8185_write_phy(dev, adr, data | 0x10000);
@@ -3082,19 +3075,19 @@ void rtl8185_set_rate(struct net_device *dev)
 {
 	int i;
 	u16 word;
-	int basic_rate,min_rr_rate,max_rr_rate;
+	int basic_rate, min_rr_rate, max_rr_rate;
 
 	basic_rate = ieeerate2rtlrate(240);
 	min_rr_rate = ieeerate2rtlrate(60);
 	max_rr_rate = ieeerate2rtlrate(240);
 
 	write_nic_byte(dev, RESP_RATE,
-			max_rr_rate<<MAX_RESP_RATE_SHIFT| min_rr_rate<<MIN_RESP_RATE_SHIFT);
+			max_rr_rate<<MAX_RESP_RATE_SHIFT | min_rr_rate<<MIN_RESP_RATE_SHIFT);
 
 	word  = read_nic_word(dev, BRSR);
 	word &= ~BRSR_MBR_8185;
 
-	for(i=0;i<=basic_rate;i++)
+	for (i = 0; i <= basic_rate; i++)
 		word |= (1<<i);
 
 	write_nic_word(dev, BRSR, word);
@@ -3117,8 +3110,8 @@ void rtl8180_adapter_start(struct net_device *dev)
 	rtl8180_beacon_tx_disable(dev);
 
 	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
-	write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]);
-	write_nic_word(dev, MAC4, ((u32*)dev->dev_addr)[1] & 0xffff );
+	write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
+	write_nic_word(dev, MAC4, ((u32 *)dev->dev_addr)[1] & 0xffff);
 	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 
 	rtl8180_update_msr(dev);
@@ -3136,15 +3129,15 @@ void rtl8180_adapter_start(struct net_device *dev)
 	*/
 
 	write_nic_byte(dev,
-		       CONFIG2, read_nic_byte(dev,CONFIG2) &~\
+		       CONFIG2, read_nic_byte(dev, CONFIG2) & ~\
 		       (1<<CONFIG2_DMA_POLLING_MODE_SHIFT));
 	//^the nic isn't in test mode
 	write_nic_byte(dev,
-		       CONFIG2, read_nic_byte(dev,CONFIG2)|(1<<4));
+		       CONFIG2, read_nic_byte(dev, CONFIG2)|(1<<4));
 
-	rtl8180_set_mode(dev,EPROM_CMD_NORMAL);
+	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 
-	write_nic_dword(dev,INT_TIMEOUT,0);
+	write_nic_dword(dev, INT_TIMEOUT, 0);
 
 	write_nic_byte(dev, WPA_CONFIG, 0);
 
@@ -3163,8 +3156,8 @@ void rtl8180_adapter_start(struct net_device *dev)
 
 	priv->rf_init(dev);
 
-	if(priv->rf_set_sens != NULL)
-		priv->rf_set_sens(dev,priv->sens);
+	if (priv->rf_set_sens != NULL)
+		priv->rf_set_sens(dev, priv->sens);
 	rtl8180_irq_enable(dev);
 
 	netif_start_queue(dev);
@@ -3183,8 +3176,8 @@ void rtl8180_start_tx_beacon(struct net_device *dev)
 	rtl8180_irq_disable(dev);
 	rtl8180_beacon_tx_enable(dev);
 
-	word = read_nic_word(dev, AtimWnd) &~ AtimWnd_AtimWnd;
-	write_nic_word(dev, AtimWnd,word);// word |=
+	word = read_nic_word(dev, AtimWnd) & ~AtimWnd_AtimWnd;
+	write_nic_word(dev, AtimWnd, word); // word |=
 
 	word  = read_nic_word(dev, BintrItv);
 	word &= ~BintrItv_BintrItv;
@@ -3215,7 +3208,7 @@ MgntActSet_802_11_PowerSaveMode(
 )
 {
 	// Currently, we do not change power save mode on IBSS mode.
-	if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+	if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 		return false;
 
 	priv->ieee80211->ps = rtPsMode;
@@ -3239,53 +3232,48 @@ void LeisurePSLeave(struct r8180_priv *priv)
 	}
 }
 
-void rtl8180_hw_wakeup_wq (struct work_struct *work)
+void rtl8180_hw_wakeup_wq(struct work_struct *work)
 {
 	struct delayed_work *dwork = to_delayed_work(work);
-	struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
+	struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, hw_wakeup_wq);
 	struct net_device *dev = ieee->dev;
 
 	rtl8180_hw_wakeup(dev);
 }
 
-void rtl8180_hw_sleep_wq (struct work_struct *work)
+void rtl8180_hw_sleep_wq(struct work_struct *work)
 {
 	struct delayed_work *dwork = to_delayed_work(work);
-        struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
+	struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, hw_sleep_wq);
 	struct net_device *dev = ieee->dev;
 
 	rtl8180_hw_sleep_down(dev);
 }
 
-static void MgntLinkKeepAlive(struct r8180_priv *priv )
+static void MgntLinkKeepAlive(struct r8180_priv *priv)
 {
 	if (priv->keepAliveLevel == 0)
 		return;
 
-	if(priv->ieee80211->state == IEEE80211_LINKED)
-	{
+	if (priv->ieee80211->state == IEEE80211_LINKED) {
 		//
 		// Keep-Alive.
 		//
 
-		if ( (priv->keepAliveLevel== 2) ||
+		if ((priv->keepAliveLevel == 2) ||
 			(priv->link_detect.LastNumTxUnicast == priv->NumTxUnicast &&
-			priv->link_detect.LastNumRxUnicast == priv->ieee80211->NumRxUnicast )
-			)
-		{
+			priv->link_detect.LastNumRxUnicast == priv->ieee80211->NumRxUnicast)
+			) {
 			priv->link_detect.IdleCount++;
 
 			//
 			// Send a Keep-Alive packet packet to AP if we had been idle for a while.
 			//
-			if(priv->link_detect.IdleCount >= ((KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD)-1) )
-			{
+			if (priv->link_detect.IdleCount >= ((KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD)-1)) {
 				priv->link_detect.IdleCount = 0;
 				ieee80211_sta_ps_send_null_frame(priv->ieee80211, false);
 			}
-		}
-		else
-		{
+		} else {
 			priv->link_detect.IdleCount = 0;
 		}
 		priv->link_detect.LastNumTxUnicast = priv->NumTxUnicast;
@@ -3303,19 +3291,18 @@ void rtl8180_watch_dog(struct net_device *dev)
 	u32 TotalRxNum = 0;
 	u16 SlotIndex = 0;
 	u16 i = 0;
-	if(priv->ieee80211->actscanning == false){
-		if((priv->ieee80211->iw_mode != IW_MODE_ADHOC) && (priv->ieee80211->state == IEEE80211_NOLINK) && (priv->ieee80211->beinretry == false) && (priv->eRFPowerState == eRfOn)){
+	if (priv->ieee80211->actscanning == false) {
+		if ((priv->ieee80211->iw_mode != IW_MODE_ADHOC) && (priv->ieee80211->state == IEEE80211_NOLINK) && (priv->ieee80211->beinretry == false) && (priv->eRFPowerState == eRfOn))
 			IPSEnter(dev);
-		}
 	}
 	//YJ,add,080828,for link state check
-	if((priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_INFRA)){
+	if ((priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_INFRA)) {
 		SlotIndex = (priv->link_detect.SlotIndex++) % priv->link_detect.SlotNum;
 		priv->link_detect.RxFrameNum[SlotIndex] = priv->ieee80211->NumRxDataInPeriod + priv->ieee80211->NumRxBcnInPeriod;
-		for( i=0; i<priv->link_detect.SlotNum; i++ )
-			TotalRxNum+= priv->link_detect.RxFrameNum[i];
+		for (i = 0; i < priv->link_detect.SlotNum; i++)
+			TotalRxNum += priv->link_detect.RxFrameNum[i];
 
-		if(TotalRxNum == 0){
+		if (TotalRxNum == 0) {
 			priv->ieee80211->state = IEEE80211_ASSOCIATING;
 			queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq);
 		}
@@ -3329,20 +3316,20 @@ void rtl8180_watch_dog(struct net_device *dev)
 		priv->bLeisurePs = true;
 	else if (priv->PowerProfile == POWER_PROFILE_AC) {
 		LeisurePSLeave(priv);
-		priv->bLeisurePs= false;
+		priv->bLeisurePs = false;
 	}
 
-	if(priv->ieee80211->state == IEEE80211_LINKED){
+	if (priv->ieee80211->state == IEEE80211_LINKED) {
 		priv->link_detect.NumRxOkInPeriod = priv->ieee80211->NumRxDataInPeriod;
-		if(	priv->link_detect.NumRxOkInPeriod> 666 ||
-			priv->link_detect.NumTxOkInPeriod> 666 ) {
+		if (priv->link_detect.NumRxOkInPeriod > 666 ||
+			priv->link_detect.NumTxOkInPeriod > 666) {
 			bBusyTraffic = true;
 		}
-		if(((priv->link_detect.NumRxOkInPeriod + priv->link_detect.NumTxOkInPeriod) > 8)
+		if (((priv->link_detect.NumRxOkInPeriod + priv->link_detect.NumTxOkInPeriod) > 8)
 			|| (priv->link_detect.NumRxOkInPeriod > 2)) {
-			bEnterPS= false;
+			bEnterPS = false;
 		} else
-			bEnterPS= true;
+			bEnterPS = true;
 
 		if (bEnterPS)
 			LeisurePSEnter(priv);
@@ -3361,17 +3348,17 @@ int _rtl8180_up(struct net_device *dev)
 {
 	struct r8180_priv *priv = ieee80211_priv(dev);
 
-	priv->up=1;
+	priv->up = 1;
 
 	DMESG("Bringing up iface");
 	rtl8185b_adapter_start(dev);
 	rtl8185b_rx_enable(dev);
 	rtl8185b_tx_enable(dev);
-	if(priv->bInactivePs){
-		if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+	if (priv->bInactivePs) {
+		if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 			IPSLeave(dev);
 	}
-       timer_rate_adaptive((unsigned long)dev);
+	timer_rate_adaptive((unsigned long)dev);
 	watch_dog_adaptive((unsigned long)dev);
 	if (priv->bSwAntennaDiverity)
 			SwAntennaDiversityTimerCallback(dev);
@@ -3394,7 +3381,8 @@ int rtl8180_up(struct net_device *dev)
 {
 	struct r8180_priv *priv = ieee80211_priv(dev);
 
-	if (priv->up == 1) return -1;
+	if (priv->up == 1)
+		return -1;
 
 	return _rtl8180_up(dev);
 }
@@ -3418,7 +3406,7 @@ int rtl8180_down(struct net_device *dev)
 	if (priv->up == 0)
 		return -1;
 
-	priv->up=0;
+	priv->up = 0;
 
 	ieee80211_softmac_stop_protocol(priv->ieee80211);
 	/* FIXME */
@@ -3434,8 +3422,8 @@ int rtl8180_down(struct net_device *dev)
 	cancel_delayed_work(&priv->ieee80211->hw_dig_wq);
 	cancel_delayed_work(&priv->ieee80211->tx_pw_wq);
 	del_timer_sync(&priv->SwAntennaDiversityTimer);
-	SetZebraRFPowerState8185(dev,eRfOff);
-	memset(&(priv->ieee80211->current_network),0,sizeof(struct ieee80211_network));
+	SetZebraRFPowerState8185(dev, eRfOff);
+	memset(&(priv->ieee80211->current_network), 0, sizeof(struct ieee80211_network));
 	priv->ieee80211->state = IEEE80211_NOLINK;
 	return 0;
 }
@@ -3485,7 +3473,7 @@ static void r8180_set_multicast(struct net_device *dev)
 	struct r8180_priv *priv = ieee80211_priv(dev);
 	short promisc;
 
-	promisc = (dev->flags & IFF_PROMISC) ? 1:0;
+	promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
 
 	if (promisc != priv->promisc)
 		rtl8180_restart(dev);
@@ -3502,7 +3490,7 @@ int r8180_set_mac_adr(struct net_device *dev, void *mac)
 
 	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
 
-	if(priv->ieee80211->iw_mode == IW_MODE_MASTER)
+	if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 		memcpy(priv->ieee80211->current_network.bssid, dev->dev_addr, ETH_ALEN);
 
 	if (priv->up) {
@@ -3520,7 +3508,7 @@ int rtl8180_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	struct iwreq *wrq = (struct iwreq *) rq;
-	int ret=-1;
+	int ret = -1;
 
 	switch (cmd) {
 	case RTL_IOCTL_WPA_SUPPLICANT:
@@ -3551,21 +3539,21 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 {
 	unsigned long ioaddr = 0;
 	struct net_device *dev = NULL;
-	struct r8180_priv *priv= NULL;
+	struct r8180_priv *priv = NULL;
 	u8 unit = 0;
 
 	unsigned long pmem_start, pmem_len, pmem_flags;
 
 	DMESG("Configuring chip resources");
 
-	if( pci_enable_device (pdev) ){
+	if (pci_enable_device(pdev)) {
 		DMESG("Failed to enable PCI device");
 		return -EIO;
 	}
 
 	pci_set_master(pdev);
 	pci_set_dma_mask(pdev, 0xffffff00ULL);
-	pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
+	pci_set_consistent_dma_mask(pdev, 0xffffff00ULL);
 	dev = alloc_ieee80211(sizeof(struct r8180_priv));
 	if (!dev)
 		return -ENOMEM;
@@ -3580,20 +3568,20 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 
 	pmem_start = pci_resource_start(pdev, 1);
 	pmem_len = pci_resource_len(pdev, 1);
-	pmem_flags = pci_resource_flags (pdev, 1);
+	pmem_flags = pci_resource_flags(pdev, 1);
 
 	if (!(pmem_flags & IORESOURCE_MEM)) {
 		DMESG("region #1 not a MMIO resource, aborting");
 		goto fail;
 	}
 
-	if( ! request_mem_region(pmem_start, pmem_len, RTL8180_MODULE_NAME)) {
+	if (!request_mem_region(pmem_start, pmem_len, RTL8180_MODULE_NAME)) {
 		DMESG("request_mem_region failed!");
 		goto fail;
 	}
 
-	ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
-	if( ioaddr == (unsigned long)NULL ){
+	ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
+	if (ioaddr == (unsigned long)NULL) {
 		DMESG("ioremap failed!");
 		goto fail1;
 	}
@@ -3610,16 +3598,16 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 	dev->netdev_ops = &rtl8180_netdev_ops;
 	dev->wireless_handlers = &r8180_wx_handlers_def;
 
-	dev->type=ARPHRD_ETHER;
+	dev->type = ARPHRD_ETHER;
 	dev->watchdog_timeo = HZ*3;
 
-	if (dev_alloc_name(dev, ifname) < 0){
+	if (dev_alloc_name(dev, ifname) < 0) {
 		DMESG("Oops: devname already taken! Trying wlan%%d...\n");
 		ifname = "wlan%d";
 		dev_alloc_name(dev, ifname);
 	}
 
-	if(rtl8180_init(dev)!=0){
+	if (rtl8180_init(dev) != 0) {
 		DMESG("Initialization failed");
 		goto fail1;
 	}
@@ -3633,16 +3621,16 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 	DMESG("Driver probe completed\n");
 	return 0;
 fail1:
-	if( dev->mem_start != (unsigned long)NULL ){
-		iounmap( (void *)dev->mem_start );
-		release_mem_region( pci_resource_start(pdev, 1),
-				    pci_resource_len(pdev, 1) );
+	if (dev->mem_start != (unsigned long)NULL) {
+		iounmap((void *)dev->mem_start);
+		release_mem_region(pci_resource_start(pdev, 1),
+				   pci_resource_len(pdev, 1));
 	}
 fail:
-	if(dev){
+	if (dev) {
 		if (priv->irq) {
 			free_irq(dev->irq, dev);
-			dev->irq=0;
+			dev->irq = 0;
 		}
 		free_ieee80211(dev);
 	}
@@ -3670,19 +3658,19 @@ static void __devexit rtl8180_pci_remove(struct pci_dev *pdev)
 		rtl8180_reset(dev);
 		mdelay(10);
 
-		if(priv->irq){
-			DMESG("Freeing irq %d",dev->irq);
+		if (priv->irq) {
+			DMESG("Freeing irq %d", dev->irq);
 			free_irq(dev->irq, dev);
-			priv->irq=0;
+			priv->irq = 0;
 		}
 
 		free_rx_desc_ring(dev);
 		free_tx_desc_rings(dev);
 
-		if( dev->mem_start != (unsigned long)NULL ){
-			iounmap( (void *)dev->mem_start );
-			release_mem_region( pci_resource_start(pdev, 1),
-					    pci_resource_len(pdev, 1) );
+		if (dev->mem_start != (unsigned long)NULL) {
+			iounmap((void *)dev->mem_start);
+			release_mem_region(pci_resource_start(pdev, 1),
+					   pci_resource_len(pdev, 1));
 		}
 
 		free_ieee80211(dev);
@@ -3742,7 +3730,7 @@ static int __init rtl8180_pci_module_init(void)
 
 static void __exit rtl8180_pci_module_exit(void)
 {
-	pci_unregister_driver (&rtl8180_pci_driver);
+	pci_unregister_driver(&rtl8180_pci_driver);
 	rtl8180_proc_module_remove();
 	ieee80211_crypto_tkip_exit();
 	ieee80211_crypto_ccmp_exit();
@@ -3757,15 +3745,15 @@ void rtl8180_try_wake_queue(struct net_device *dev, int pri)
 	short enough_desc;
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
-	spin_lock_irqsave(&priv->tx_lock,flags);
-	enough_desc = check_nic_enought_desc(dev,pri);
-	spin_unlock_irqrestore(&priv->tx_lock,flags);
+	spin_lock_irqsave(&priv->tx_lock, flags);
+	enough_desc = check_nic_enought_desc(dev, pri);
+	spin_unlock_irqrestore(&priv->tx_lock, flags);
 
-	if(enough_desc)
+	if (enough_desc)
 		ieee80211_rtl_wake_queue(priv->ieee80211);
 }
 
-void rtl8180_tx_isr(struct net_device *dev, int pri,short error)
+void rtl8180_tx_isr(struct net_device *dev, int pri, short error)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	u32 *tail; //tail virtual addr
@@ -3777,64 +3765,65 @@ void rtl8180_tx_isr(struct net_device *dev, int pri,short error)
 	unsigned long flag;
 	/* physical addr are ok on 32 bits since we set DMA mask*/
 	int offs;
-	int j,i;
+	int j, i;
 	int hd;
-	if (error) priv->stats.txretry++; //tony 20060601
-	spin_lock_irqsave(&priv->tx_lock,flag);
-	switch(pri) {
+	if (error)
+		priv->stats.txretry++; //tony 20060601
+	spin_lock_irqsave(&priv->tx_lock, flag);
+	switch (pri) {
 	case MANAGE_PRIORITY:
 		tail = priv->txmapringtail;
 		begin = priv->txmapring;
 		head = priv->txmapringhead;
-		nic = read_nic_dword(dev,TX_MANAGEPRIORITY_RING_ADDR);
+		nic = read_nic_dword(dev, TX_MANAGEPRIORITY_RING_ADDR);
 		nicbegin = priv->txmapringdma;
 		break;
 	case BK_PRIORITY:
 		tail = priv->txbkpringtail;
 		begin = priv->txbkpring;
 		head = priv->txbkpringhead;
-		nic = read_nic_dword(dev,TX_BKPRIORITY_RING_ADDR);
+		nic = read_nic_dword(dev, TX_BKPRIORITY_RING_ADDR);
 		nicbegin = priv->txbkpringdma;
 		break;
 	case BE_PRIORITY:
 		tail = priv->txbepringtail;
 		begin = priv->txbepring;
 		head = priv->txbepringhead;
-		nic = read_nic_dword(dev,TX_BEPRIORITY_RING_ADDR);
+		nic = read_nic_dword(dev, TX_BEPRIORITY_RING_ADDR);
 		nicbegin = priv->txbepringdma;
 		break;
 	case VI_PRIORITY:
 		tail = priv->txvipringtail;
 		begin = priv->txvipring;
 		head = priv->txvipringhead;
-		nic = read_nic_dword(dev,TX_VIPRIORITY_RING_ADDR);
+		nic = read_nic_dword(dev, TX_VIPRIORITY_RING_ADDR);
 		nicbegin = priv->txvipringdma;
 		break;
 	case VO_PRIORITY:
 		tail = priv->txvopringtail;
 		begin = priv->txvopring;
 		head = priv->txvopringhead;
-		nic = read_nic_dword(dev,TX_VOPRIORITY_RING_ADDR);
+		nic = read_nic_dword(dev, TX_VOPRIORITY_RING_ADDR);
 		nicbegin = priv->txvopringdma;
 		break;
 	case HI_PRIORITY:
 		tail = priv->txhpringtail;
 		begin = priv->txhpring;
 		head = priv->txhpringhead;
-		nic = read_nic_dword(dev,TX_HIGHPRIORITY_RING_ADDR);
+		nic = read_nic_dword(dev, TX_HIGHPRIORITY_RING_ADDR);
 		nicbegin = priv->txhpringdma;
 		break;
 
 	default:
-		spin_unlock_irqrestore(&priv->tx_lock,flag);
+		spin_unlock_irqrestore(&priv->tx_lock, flag);
 		return ;
 	}
 
-	nicv = (u32*) ((nic - nicbegin) + (u8*)begin);
-	if((head <= tail && (nicv > tail || nicv < head)) ||
-		(head > tail && (nicv > tail && nicv < head))){
+	nicv = (u32 *)((nic - nicbegin) + (u8*)begin);
+	if ((head <= tail && (nicv > tail || nicv < head)) ||
+		(head > tail && (nicv > tail && nicv < head))) {
 			DMESGW("nic has lost pointer");
-			spin_unlock_irqrestore(&priv->tx_lock,flag);
+			spin_unlock_irqrestore(&priv->tx_lock, flag);
 			rtl8180_restart(dev);
 			return;
 		}
@@ -3844,22 +3833,22 @@ void rtl8180_tx_isr(struct net_device *dev, int pri,short error)
 	 * and the previous of the pointed (might be in process ??)
 	*/
 	offs = (nic - nicbegin);
-	offs = offs / 8 /4;
-	hd = (head - begin) /8;
+	offs = offs / 8 / 4;
+	hd = (head - begin) / 8;
 
-	if(offs >= hd)
+	if (offs >= hd)
 		j = offs - hd;
 	else
-		j = offs + (priv->txringcount -1 -hd);
+		j = offs + (priv->txringcount-1-hd);
 
-	j-=2;
-	if(j<0) j=0;
+	j -= 2;
+	if (j < 0)
+		j = 0;
 
-	for(i=0;i<j;i++)
-	{
-		if((*head) & (1<<31))
+	for (i = 0; i < j; i++) {
+		if ((*head) & (1<<31))
 			break;
-		if(((*head)&(0x10000000)) != 0){
+		if (((*head)&(0x10000000)) != 0) {
 			priv->CurrRetryCnt += (u16)((*head) & (0x000000ff));
 			if (!error)
 				priv->NumTxOkTotal++;
@@ -3868,12 +3857,12 @@ void rtl8180_tx_isr(struct net_device *dev, int pri,short error)
 		if (!error)
 			priv->NumTxOkBytesTotal += (*(head+3)) & (0x00000fff);
 
-		*head = *head &~ (1<<31);
+		*head = *head & ~(1<<31);
 
-		if((head - begin)/8 == priv->txringcount-1)
-			head=begin;
+		if ((head - begin)/8 == priv->txringcount-1)
+			head = begin;
 		else
-			head+=8;
+			head += 8;
 	}
 
 	/* the head has been moved to the last certainly TXed
@@ -3885,14 +3874,14 @@ void rtl8180_tx_isr(struct net_device *dev, int pri,short error)
 	 * TXed no memory leak occour at all.
 	 */
 
-	switch(pri) {
+	switch (pri) {
 	case MANAGE_PRIORITY:
 		priv->txmapringhead = head;
 
-		if(priv->ack_tx_to_ieee){
-			if(rtl8180_is_tx_queue_empty(dev)){
+		if (priv->ack_tx_to_ieee) {
+			if (rtl8180_is_tx_queue_empty(dev)) {
 				priv->ack_tx_to_ieee = 0;
-				ieee80211_ps_tx_ack(priv->ieee80211,!error);
+				ieee80211_ps_tx_ack(priv->ieee80211, !error);
 			}
 		}
 		break;
@@ -3913,17 +3902,17 @@ void rtl8180_tx_isr(struct net_device *dev, int pri,short error)
 		break;
 	}
 
-	spin_unlock_irqrestore(&priv->tx_lock,flag);
+	spin_unlock_irqrestore(&priv->tx_lock, flag);
 }
 
 void rtl8180_tx_irq_wq(struct work_struct *work)
 {
 	struct delayed_work *dwork = to_delayed_work(work);
-	struct ieee80211_device * ieee = (struct ieee80211_device*)
-	                                       container_of(dwork, struct ieee80211_device, watch_dog_wq);
+	struct ieee80211_device * ieee = (struct ieee80211_device *)
+		container_of(dwork, struct ieee80211_device, watch_dog_wq);
 	struct net_device *dev = ieee->dev;
 
-	rtl8180_tx_isr(dev,MANAGE_PRIORITY,0);
+	rtl8180_tx_isr(dev, MANAGE_PRIORITY, 0);
 }
 irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 {
@@ -3933,18 +3922,19 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 	u32 inta;
 
 	/* We should return IRQ_NONE, but for now let me keep this */
-	if(priv->irq_enabled == 0) return IRQ_HANDLED;
+	if (priv->irq_enabled == 0)
+		return IRQ_HANDLED;
 
-	spin_lock_irqsave(&priv->irq_th_lock,flags);
+	spin_lock_irqsave(&priv->irq_th_lock, flags);
 
 	//ISR: 4bytes
 	inta = read_nic_dword(dev, ISR);// & priv->IntrMask;
-	write_nic_dword(dev,ISR,inta); // reset int situation
+	write_nic_dword(dev, ISR, inta); // reset int situation
 
 	priv->stats.shints++;
 
-	if(!inta){
-		spin_unlock_irqrestore(&priv->irq_th_lock,flags);
+	if (!inta) {
+		spin_unlock_irqrestore(&priv->irq_th_lock, flags);
 		return IRQ_HANDLED;
 	/*
 	   most probably we can safely return IRQ_NONE,
@@ -3960,8 +3950,8 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 
 	priv->stats.ints++;
 
-	if(!netif_running(dev)) {
-		spin_unlock_irqrestore(&priv->irq_th_lock,flags);
+	if (!netif_running(dev)) {
+		spin_unlock_irqrestore(&priv->irq_th_lock, flags);
 		return IRQ_HANDLED;
 	}
 
@@ -3975,70 +3965,70 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 		priv->stats.txbeaconerr++;
 
 	if (inta & IMR_TMGDOK)
-		rtl8180_tx_isr(dev,MANAGE_PRIORITY,0);
+		rtl8180_tx_isr(dev, MANAGE_PRIORITY, 0);
 
-	if(inta & ISR_THPDER){
+	if (inta & ISR_THPDER) {
 		priv->stats.txhperr++;
-		rtl8180_tx_isr(dev,HI_PRIORITY,1);
+		rtl8180_tx_isr(dev, HI_PRIORITY, 1);
 		priv->ieee80211->stats.tx_errors++;
 	}
 
-	if(inta & ISR_THPDOK){ //High priority tx ok
+	if (inta & ISR_THPDOK) { //High priority tx ok
 		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
 		priv->stats.txhpokint++;
-		rtl8180_tx_isr(dev,HI_PRIORITY,0);
+		rtl8180_tx_isr(dev, HI_PRIORITY, 0);
 	}
 
-	if(inta & ISR_RER) {
+	if (inta & ISR_RER)
 		priv->stats.rxerr++;
-	}
-	if(inta & ISR_TBKDER){ //corresponding to BK_PRIORITY
+
+	if (inta & ISR_TBKDER) { //corresponding to BK_PRIORITY
 		priv->stats.txbkperr++;
 		priv->ieee80211->stats.tx_errors++;
-		rtl8180_tx_isr(dev,BK_PRIORITY,1);
+		rtl8180_tx_isr(dev, BK_PRIORITY, 1);
 		rtl8180_try_wake_queue(dev, BE_PRIORITY);
 	}
 
-	if(inta & ISR_TBEDER){ //corresponding to BE_PRIORITY
+	if (inta & ISR_TBEDER) { //corresponding to BE_PRIORITY
 		priv->stats.txbeperr++;
 		priv->ieee80211->stats.tx_errors++;
-		rtl8180_tx_isr(dev,BE_PRIORITY,1);
+		rtl8180_tx_isr(dev, BE_PRIORITY, 1);
 		rtl8180_try_wake_queue(dev, BE_PRIORITY);
 	}
-	if(inta & ISR_TNPDER){ //corresponding to VO_PRIORITY
+	if (inta & ISR_TNPDER) { //corresponding to VO_PRIORITY
 		priv->stats.txnperr++;
 		priv->ieee80211->stats.tx_errors++;
-		rtl8180_tx_isr(dev,NORM_PRIORITY,1);
+		rtl8180_tx_isr(dev, NORM_PRIORITY, 1);
 		rtl8180_try_wake_queue(dev, NORM_PRIORITY);
 	}
 
-	if(inta & ISR_TLPDER){ //corresponding to VI_PRIORITY
+	if (inta & ISR_TLPDER) { //corresponding to VI_PRIORITY
 		priv->stats.txlperr++;
 		priv->ieee80211->stats.tx_errors++;
-		rtl8180_tx_isr(dev,LOW_PRIORITY,1);
+		rtl8180_tx_isr(dev, LOW_PRIORITY, 1);
 		rtl8180_try_wake_queue(dev, LOW_PRIORITY);
 	}
 
-	if(inta & ISR_ROK){
+	if (inta & ISR_ROK) {
 		priv->stats.rxint++;
 		tasklet_schedule(&priv->irq_rx_tasklet);
 	}
 
-	if(inta & ISR_RQoSOK ){
+	if (inta & ISR_RQoSOK) {
 		priv->stats.rxint++;
 		tasklet_schedule(&priv->irq_rx_tasklet);
 	}
-	if(inta & ISR_BcnInt) {
+
+	if (inta & ISR_BcnInt)
 		rtl8180_prepare_beacon(dev);
-	}
 
-	if(inta & ISR_RDU){
+	if (inta & ISR_RDU) {
 		DMESGW("No RX descriptor available");
 		priv->stats.rxrdu++;
 		tasklet_schedule(&priv->irq_rx_tasklet);
 	}
 
-	if(inta & ISR_RXFOVW){
+	if (inta & ISR_RXFOVW) {
 		priv->stats.rxoverflow++;
 		tasklet_schedule(&priv->irq_rx_tasklet);
 	}
@@ -4046,39 +4036,39 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 	if (inta & ISR_TXFOVW)
 		priv->stats.txoverflow++;
 
-	if(inta & ISR_TNPDOK){ //Normal priority tx ok
+	if (inta & ISR_TNPDOK) { //Normal priority tx ok
 		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
 		priv->stats.txnpokint++;
-		rtl8180_tx_isr(dev,NORM_PRIORITY,0);
+		rtl8180_tx_isr(dev, NORM_PRIORITY, 0);
 	}
 
-	if(inta & ISR_TLPDOK){ //Low priority tx ok
+	if (inta & ISR_TLPDOK) { //Low priority tx ok
 		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
 		priv->stats.txlpokint++;
-		rtl8180_tx_isr(dev,LOW_PRIORITY,0);
+		rtl8180_tx_isr(dev, LOW_PRIORITY, 0);
 		rtl8180_try_wake_queue(dev, LOW_PRIORITY);
 	}
 
-	if(inta & ISR_TBKDOK){ //corresponding to BK_PRIORITY
+	if (inta & ISR_TBKDOK) { //corresponding to BK_PRIORITY
 		priv->stats.txbkpokint++;
 		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
-		rtl8180_tx_isr(dev,BK_PRIORITY,0);
+		rtl8180_tx_isr(dev, BK_PRIORITY, 0);
 		rtl8180_try_wake_queue(dev, BE_PRIORITY);
 	}
 
-	if(inta & ISR_TBEDOK){ //corresponding to BE_PRIORITY
+	if (inta & ISR_TBEDOK) { //corresponding to BE_PRIORITY
 		priv->stats.txbeperr++;
 		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
-		rtl8180_tx_isr(dev,BE_PRIORITY,0);
+		rtl8180_tx_isr(dev, BE_PRIORITY, 0);
 		rtl8180_try_wake_queue(dev, BE_PRIORITY);
 	}
 	force_pci_posting(dev);
-	spin_unlock_irqrestore(&priv->irq_th_lock,flags);
+	spin_unlock_irqrestore(&priv->irq_th_lock, flags);
 
 	return IRQ_HANDLED;
 }
 
-void rtl8180_irq_rx_tasklet(struct r8180_priv* priv)
+void rtl8180_irq_rx_tasklet(struct r8180_priv *priv)
 {
 	rtl8180_rx(priv->dev);
 }
@@ -4095,10 +4085,10 @@ void GPIOChangeRFWorkItemCallBack(struct work_struct *work)
 
 	char *argv[3];
 	static char *RadioPowerPath = "/etc/acpi/events/RadioPower.sh";
-        static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", NULL};
+	static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", NULL};
 	static int readf_count = 0;
 
-	if(readf_count % 10 == 0)
+	if (readf_count % 10 == 0)
 		priv->PowerProfile = read_acadapter_file("/proc/acpi/ac_adapter/AC0/state");
 
 	readf_count = (readf_count+1)%0xffff;

From 3f56c109d0ef8437d89cdb84af02728ec9cc1150 Mon Sep 17 00:00:00 2001
From: "Prashant P. Shah" <pshah.mumbai@gmail.com>
Date: Thu, 13 May 2010 23:09:08 +0530
Subject: [PATCH 1459/3638] Staging: rtl8187se: fixed C99 comments style issues
 in r8180_core.c

This is a patch to the r8180_core.c file that fixes the C99 comments
style issues found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8187se/r8180_core.c | 456 +++++++++++++------------
 1 file changed, 233 insertions(+), 223 deletions(-)

diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c
index 37be5aedf52..dacefea7811 100644
--- a/drivers/staging/rtl8187se/r8180_core.c
+++ b/drivers/staging/rtl8187se/r8180_core.c
@@ -620,7 +620,7 @@ void fix_rx_fifo(struct net_device *dev)
 	struct buffer *rxbuf;
 	u8 rx_desc_size;
 
-	rx_desc_size = 8; // 4*8 = 32 bytes
+	rx_desc_size = 8; /* 4*8 = 32 bytes */
 
 	for (tmp = priv->rxring, rxbuf = priv->rxbufferhead;
 	     (tmp < (priv->rxring)+(priv->rxringcount)*rx_desc_size);
@@ -673,7 +673,7 @@ void rtl8180_RSSI_calc(struct net_device *dev, u8 *rssi, u8 *qual)
 
 	q = *qual;
 	orig_qual = *qual;
-	_rssi = 0; // avoid gcc complains..
+	_rssi = 0; /* avoid gcc complains.. */
 
 	if (q <= 0x4e) {
 		temp = QUALITY_MAP[q];
@@ -1025,7 +1025,7 @@ short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count,
 			}
 			break;
 		}
-		*tmp = *tmp & ~(1<<31); // descriptor empty, owned by the drv
+		*tmp = *tmp & ~(1<<31); /* descriptor empty, owned by the drv */
 		*(tmp+2) = (u32)dma_tmp;
 		*(tmp+3) = bufsize;
 
@@ -1131,7 +1131,7 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)
 	void *buf;
 	u8 rx_desc_size;
 
-	rx_desc_size = 8; // 4*8 = 32 bytes
+	rx_desc_size = 8; /* 4*8 = 32 bytes */
 
 	if ((bufsize & 0xfff) != bufsize) {
 		DMESGE("RX buffer allocation too large");
@@ -1167,15 +1167,15 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)
 			DMESGE("Unable to allocate mem RX buf");
 			return -1;
 		}
-		*tmp = 0; // zero pads the header of the descriptor
+		*tmp = 0; /* zero pads the header of the descriptor */
 		*tmp = *tmp | (bufsize&0xfff);
 		*(tmp+2) = (u32)dma_tmp;
-		*tmp = *tmp | (1<<31); // descriptor void, owned by the NIC
+		*tmp = *tmp | (1<<31); /* descriptor void, owned by the NIC */
 
 		tmp = tmp+rx_desc_size;
 	}
 
-	*(tmp-rx_desc_size) = *(tmp-rx_desc_size) | (1<<30); // this is the last descriptor
+	*(tmp-rx_desc_size) = *(tmp-rx_desc_size) | (1<<30); /* this is the last descriptor */
 
 	return 0;
 }
@@ -1330,15 +1330,14 @@ u16 N_DBPSOfRate(u16 DataRate)
 	return N_DBPS;
 }
 
-//
-//	Description:
-//	For Netgear case, they want good-looking singal strength.
-//
+/*
+ * For Netgear case, they want good-looking singal strength.
+ */
 long NetgearSignalStrengthTranslate(long LastSS, long CurrSS)
 {
 	long RetSS;
 
-	// Step 1. Scale mapping.
+	/* Step 1. Scale mapping. */
 	if (CurrSS >= 71 && CurrSS <= 100)
 		RetSS = 90 + ((CurrSS - 70) / 3);
 	else if (CurrSS >= 41 && CurrSS <= 70)
@@ -1360,39 +1359,37 @@ long NetgearSignalStrengthTranslate(long LastSS, long CurrSS)
 	else
 		RetSS = CurrSS;
 
-	// Step 2. Smoothing.
+	/* Step 2. Smoothing. */
 	if (LastSS > 0)
 		RetSS = ((LastSS * 5) + (RetSS) + 5) / 6;
 
 	return RetSS;
 }
 
-//
-//	Description:
-//		Translate 0-100 signal strength index into dBm.
-//
+/*
+ * Translate 0-100 signal strength index into dBm.
+ */
 long TranslateToDbm8185(u8 SignalStrengthIndex)
 {
 	long SignalPower;
 
-	// Translate to dBm (x=0.5y-95).
+	/* Translate to dBm (x=0.5y-95). */
 	SignalPower = (long)((SignalStrengthIndex + 1) >> 1);
 	SignalPower -= 95;
 
 	return SignalPower;
 }
 
-//
-//	Description:
-//		Perform signal smoothing for dynamic mechanism.
-//		This is different with PerformSignalSmoothing8185 in smoothing fomula.
-//		No dramatic adjustion is apply because dynamic mechanism need some degree
-//		of correctness. Ported from 8187B.
-//
+/*
+ * Perform signal smoothing for dynamic mechanism.
+ * This is different with PerformSignalSmoothing8185 in smoothing fomula.
+ * No dramatic adjustion is apply because dynamic mechanism need some degree
+ * of correctness. Ported from 8187B.
+ */
 void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv,
 					   bool bCckRate)
 {
-	// Determin the current packet is CCK rate.
+	/* Determin the current packet is CCK rate. */
 	priv->bCurCCKPkt = bCckRate;
 
 	if (priv->UndecoratedSmoothedSS >= 0)
@@ -1409,7 +1406,9 @@ void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv,
 }
 
 
-/* This is rough RX isr handling routine*/
+/*
+ * This is rough RX isr handling routine
+ */
 void rtl8180_rx(struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
@@ -1446,7 +1445,7 @@ void rtl8180_rx(struct net_device *dev)
 
 	if ((*(priv->rxringtail)) & (1<<31)) {
 		/* we have got an RX int, but the descriptor
-		 * we are pointing is empty*/
+		 * we are pointing is empty */
 
 		priv->stats.rxnodata++;
 		priv->ieee80211->stats.rx_errors++;
@@ -1476,7 +1475,7 @@ void rtl8180_rx(struct net_device *dev)
 
 		if (*(priv->rxringtail) & (1<<27)) {
 			priv->stats.rxdmafail++;
-			//DMESG("EE: RX DMA FAILED at buffer pointed by descriptor %x",(u32)priv->rxringtail);
+			/* DMESG("EE: RX DMA FAILED at buffer pointed by descriptor %x",(u32)priv->rxringtail); */
 			goto drop;
 		}
 
@@ -1558,30 +1557,30 @@ void rtl8180_rx(struct net_device *dev)
 
 		stats.rate = rtl8180_rate2rate(rate);
 		Antenna = (((*(priv->rxringtail+3)) & (0x00008000)) == 0) ? 0 : 1;
-		if (!rtl8180_IsWirelessBMode(stats.rate)) { // OFDM rate.
-			RxAGC_dBm = rxpower+1;	//bias
-		} else { // CCK rate.
-			RxAGC_dBm = signal; //bit 0 discard
+		if (!rtl8180_IsWirelessBMode(stats.rate)) { /* OFDM rate. */
+			RxAGC_dBm = rxpower+1;	/* bias */
+		} else { /* CCK rate. */
+			RxAGC_dBm = signal; /* bit 0 discard */
 
-			LNA = (u8) (RxAGC_dBm & 0x60) >> 5 ; //bit 6~ bit 5
-			BB  = (u8) (RxAGC_dBm & 0x1F);  // bit 4 ~ bit 0
+			LNA = (u8) (RxAGC_dBm & 0x60) >> 5; /* bit 6~ bit 5 */
+			BB  = (u8) (RxAGC_dBm & 0x1F); /* bit 4 ~ bit 0 */
 
-			RxAGC_dBm = -(LNA_gain[LNA] + (BB*2)); //Pin_11b=-(LNA_gain+BB_gain) (dBm)
+			RxAGC_dBm = -(LNA_gain[LNA] + (BB*2)); /* Pin_11b=-(LNA_gain+BB_gain) (dBm) */
 
-			RxAGC_dBm += 4; //bias
+			RxAGC_dBm += 4; /* bias */
 		}
 
-		if (RxAGC_dBm & 0x80) //absolute value
+		if (RxAGC_dBm & 0x80) /* absolute value */
 			RXAGC = ~(RxAGC_dBm)+1;
 		bCckRate = rtl8180_IsWirelessBMode(stats.rate);
-		// Translate RXAGC into 1-100.
-		if (!rtl8180_IsWirelessBMode(stats.rate)) { // OFDM rate.
+		/* Translate RXAGC into 1-100. */
+		if (!rtl8180_IsWirelessBMode(stats.rate)) { /* OFDM rate. */
 			if (RXAGC > 90)
 				RXAGC = 90;
 			else if (RXAGC < 25)
 				RXAGC = 25;
 			RXAGC = (90-RXAGC)*100/65;
-		} else { // CCK rate.
+		} else { /* CCK rate. */
 			if (RXAGC > 95)
 				RXAGC = 95;
 			else if (RXAGC < 30)
@@ -1594,19 +1593,19 @@ void rtl8180_rx(struct net_device *dev)
 		priv->RSSI = RSSI;
 		/* SQ translation formula is provided by SD3 DZ. 2006.06.27 */
 		if (quality >= 127)
-			quality = 1;//0; //0 will cause epc to show signal zero , walk aroud now;
+			quality = 1; /*0; */ /* 0 will cause epc to show signal zero , walk aroud now; */
 		else if (quality < 27)
 			quality = 100;
 		else
 			quality = 127 - quality;
 		priv->SignalQuality = quality;
 
-		stats.signal = (u8)quality;//priv->wstats.qual.level = priv->SignalStrength;
+		stats.signal = (u8)quality; /*priv->wstats.qual.level = priv->SignalStrength; */
 		stats.signalstrength = RXAGC;
 		if (stats.signalstrength > 100)
 			stats.signalstrength = 100;
 		stats.signalstrength = (stats.signalstrength * 70)/100 + 30;
-	//	printk("==========================>rx : RXAGC is %d,signalstrength is %d\n",RXAGC,stats.signalstrength);
+		/* printk("==========================>rx : RXAGC is %d,signalstrength is %d\n",RXAGC,stats.signalstrength); */
 		stats.rssi = priv->wstats.qual.qual = priv->SignalQuality;
 		stats.noise = priv->wstats.qual.noise = 100 - priv->wstats.qual.qual;
 		bHwError = (((*(priv->rxringtail)) & (0x00000fff)) == 4080) | (((*(priv->rxringtail)) & (0x04000000)) != 0)
@@ -1627,24 +1626,23 @@ void rtl8180_rx(struct net_device *dev)
 				 * because dynamic mechanism need some degree
 				 * of correctness. */
 				PerformUndecoratedSignalSmoothing8185(priv, bCckRate);
-				//
-				// For good-looking singal strength.
-				//
+
+				/* For good-looking singal strength. */
 				SignalStrengthIndex = NetgearSignalStrengthTranslate(
 								priv->LastSignalStrengthInPercent,
 								priv->SignalStrength);
 
 				priv->LastSignalStrengthInPercent = SignalStrengthIndex;
 				priv->Stats_SignalStrength = TranslateToDbm8185((u8)SignalStrengthIndex);
-		//
-		// We need more correct power of received packets and the  "SignalStrength" of RxStats is beautified,
-		// so we record the correct power here.
-		//
+		/*
+		 * We need more correct power of received packets and the  "SignalStrength" of RxStats is beautified,
+		 * so we record the correct power here.
+		 */
 				priv->Stats_SignalQuality = (long)(priv->Stats_SignalQuality * 5 + (long)priv->SignalQuality + 5) / 6;
 				priv->Stats_RecvSignalPower = (long)(priv->Stats_RecvSignalPower * 5 + priv->RecvSignalPower - 1) / 6;
 
-		// Figure out which antenna that received the lasted packet.
-				priv->LastRxPktAntenna = Antenna ? 1 : 0; // 0: aux, 1: main.
+		/* Figure out which antenna that received the lasted packet. */
+				priv->LastRxPktAntenna = Antenna ? 1 : 0; /* 0: aux, 1: main. */
 				SwAntennaDiversityRxOk8185(dev, priv->SignalStrength);
 			}
 
@@ -1717,7 +1715,7 @@ void rtl8180_rx(struct net_device *dev)
 				    sizeof(u8),
 				    PCI_DMA_FROMDEVICE);
 
-drop: // this is used when we have not enough mem
+drop: /* this is used when we have not enough mem */
 		/* restore the descriptor */
 		*(priv->rxringtail+2) = priv->rxbuffer->dma;
 		*(priv->rxringtail) = *(priv->rxringtail) & ~0xfff;
@@ -1769,7 +1767,8 @@ void rtl8180_data_hard_resume(struct net_device *dev)
 	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
 }
 
-/* this function TX data frames when the ieee80211 stack requires this.
+/* 
+ * This function TX data frames when the ieee80211 stack requires this.
  * It checks also if we need to stop the ieee tx queue, eventually do it
  */
 void rtl8180_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int
@@ -1785,12 +1784,12 @@ rate) {
 
 	rate = ieeerate2rtlrate(rate);
 	/*
-	* This function doesn't require lock because we make
-	* sure it's called with the tx_lock already acquired.
-	* this come from the kernel's hard_xmit callback (through
-	* the ieee stack, or from the try_wake_queue (again through
-	* the ieee stack.
-	*/
+	 * This function doesn't require lock because we make
+	 * sure it's called with the tx_lock already acquired.
+	 * this come from the kernel's hard_xmit callback (through
+	 * the ieee stack, or from the try_wake_queue (again through
+	 * the ieee stack.
+	 */
 	priority = AC2Q(skb->priority);
 	spin_lock_irqsave(&priv->tx_lock, flags);
 
@@ -1812,7 +1811,8 @@ rate) {
 	spin_unlock_irqrestore(&priv->tx_lock, flags);
 }
 
-/* This is a rough attempt to TX a frame
+/* 
+ * This is a rough attempt to TX a frame
  * This is called by the ieee 80211 stack to TX management frames.
  * If the ring is full packet are dropped (for data frame the queue
  * is stopped before this can happen). For this reason it is better
@@ -1822,7 +1822,7 @@ rate) {
  * Since queues for Management and Data frames are different we
  * might use a different lock than tx_lock (for example mgmt_tx_lock)
  */
-/* these function may loops if invoked with 0 descriptors or 0 len buffer*/
+/* these function may loops if invoked with 0 descriptors or 0 len buffer */
 int rtl8180_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
@@ -1850,7 +1850,7 @@ int rtl8180_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	return NETDEV_TX_OK;
 }
 
-// longpre 144+48 shortpre 72+24
+/* longpre 144+48 shortpre 72+24 */
 u16 rtl8180_len2duration(u32 len, short rate, short *ext)
 {
 	u16 duration;
@@ -1858,7 +1858,7 @@ u16 rtl8180_len2duration(u32 len, short rate, short *ext)
 	*ext = 0;
 
 	switch (rate) {
-	case 0://1mbps
+	case 0: /* 1mbps */
 		*ext = 0;
 		duration = ((len+4)<<4) / 0x2;
 		drift = ((len+4)<<4) % 0x2;
@@ -1866,7 +1866,7 @@ u16 rtl8180_len2duration(u32 len, short rate, short *ext)
 			break;
 		duration++;
 		break;
-	case 1://2mbps
+	case 1: /* 2mbps */
 		*ext = 0;
 		duration = ((len+4)<<4) / 0x4;
 		drift = ((len+4)<<4) % 0x4;
@@ -1874,7 +1874,7 @@ u16 rtl8180_len2duration(u32 len, short rate, short *ext)
 			break;
 		duration++;
 		break;
-	case 2: //5.5mbps
+	case 2: /* 5.5mbps */
 		*ext = 0;
 		duration = ((len+4)<<4) / 0xb;
 		drift = ((len+4)<<4) % 0xb;
@@ -1883,7 +1883,7 @@ u16 rtl8180_len2duration(u32 len, short rate, short *ext)
 		duration++;
 		break;
 	default:
-	case 3://11mbps
+	case 3: /* 11mbps */
 		*ext = 0;
 		duration = ((len+4)<<4) / 0x16;
 		drift = ((len+4)<<4) % 0x16;
@@ -1905,8 +1905,8 @@ void rtl8180_prepare_beacon(struct net_device *dev)
 	struct sk_buff *skb;
 
 	u16 word  = read_nic_word(dev, BcnItv);
-	word &= ~BcnItv_BcnItv; // clear Bcn_Itv
-	word |= cpu_to_le16(priv->ieee80211->current_network.beacon_interval); //0x64;
+	word &= ~BcnItv_BcnItv; /* clear Bcn_Itv */
+	word |= cpu_to_le16(priv->ieee80211->current_network.beacon_interval); /* 0x64; */
 	write_nic_word(dev, BcnItv, word);
 
 	skb = ieee80211_get_beacon(priv->ieee80211);
@@ -1917,7 +1917,8 @@ void rtl8180_prepare_beacon(struct net_device *dev)
 	}
 }
 
-/* This function do the real dirty work: it enqueues a TX command
+/* 
+ * This function do the real dirty work: it enqueues a TX command
  * descriptor in the ring buffer, copyes the frame in a TX buffer
  * and kicks the NIC to ensure it does the DMA transfer.
  */
@@ -2004,38 +2005,38 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 
 			ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), 0, bUseShortPreamble);
 			TxDescDuration = ThisFrameTime;
-		} else {// Unicast packet
+		} else { /* Unicast packet */
 			u16 AckTime;
 
-			//YJ,add,080828,for Keep alive
+			/* YJ,add,080828,for Keep alive */
 			priv->NumTxUnicast++;
 
 			/* Figure out ACK rate according to BSS basic rate
 			 * and Tx rate. */
-			AckTime = ComputeTxTime(14, 10, 0, 0);	// AckCTSLng = 14 use 1M bps send
+			AckTime = ComputeTxTime(14, 10, 0, 0);	/* AckCTSLng = 14 use 1M bps send */
 
-			if (((len + sCrcLng) > priv->rts) && priv->rts) { // RTS/CTS.
+			if (((len + sCrcLng) > priv->rts) && priv->rts) { /* RTS/CTS. */
 				u16 RtsTime, CtsTime;
-				//u16 CtsRate;
+				/* u16 CtsRate; */
 				bRTSEnable = 1;
 				bCTSEnable = 0;
 
-				// Rate and time required for RTS.
+				/* Rate and time required for RTS. */
 				RtsTime = ComputeTxTime(sAckCtsLng/8, priv->ieee80211->basic_rate, 0, 0);
-				// Rate and time required for CTS.
-				CtsTime = ComputeTxTime(14, 10, 0, 0);	// AckCTSLng = 14 use 1M bps send
+				/* Rate and time required for CTS. */
+				CtsTime = ComputeTxTime(14, 10, 0, 0);	/* AckCTSLng = 14 use 1M bps send */
 
-				// Figure out time required to transmit this frame.
+				/* Figure out time required to transmit this frame. */
 				ThisFrameTime = ComputeTxTime(len + sCrcLng,
 						rtl8180_rate2rate(rate),
 						0,
 						bUseShortPreamble);
 
-				// RTS-CTS-ThisFrame-ACK.
+				/* RTS-CTS-ThisFrame-ACK. */
 				RtsDur = CtsTime + ThisFrameTime + AckTime + 3*aSifsTime;
 
 				TxDescDuration = RtsTime + RtsDur;
-			} else {// Normal case.
+			} else { /* Normal case. */
 				bCTSEnable = 0;
 				bRTSEnable = 0;
 				RtsDur = 0;
@@ -2045,20 +2046,20 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 			}
 
 			if (!(frag_hdr->frame_control & IEEE80211_FCTL_MOREFRAGS)) {
-				// ThisFrame-ACK.
+				/* ThisFrame-ACK. */
 				Duration = aSifsTime + AckTime;
-			} else { // One or more fragments remained.
+			} else { /* One or more fragments remained. */
 				u16 NextFragTime;
-				NextFragTime = ComputeTxTime(len + sCrcLng, //pretend following packet length equal current packet
+				NextFragTime = ComputeTxTime(len + sCrcLng, /* pretend following packet length equal current packet */
 						rtl8180_rate2rate(rate),
 						0,
 						bUseShortPreamble);
 
-				//ThisFrag-ACk-NextFrag-ACK.
+				/* ThisFrag-ACk-NextFrag-ACK. */
 				Duration = NextFragTime + 3*aSifsTime + 2*AckTime;
 			}
 
-		} // End of Unicast packet
+		} /* End of Unicast packet */
 
 		frag_hdr->duration_id = Duration;
 
@@ -2081,26 +2082,26 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 			return remain;
 		}
 
-		*tail = 0; // zeroes header
+		*tail = 0; /* zeroes header */
 		*(tail+1) = 0;
 		*(tail+3) = 0;
 		*(tail+5) = 0;
 		*(tail+6) = 0;
 		*(tail+7) = 0;
 
-		/*FIXME: this should be triggered by HW encryption parameters.*/
+		/* FIXME: this should be triggered by HW encryption parameters.*/
 		*tail |= (1<<15); /* no encrypt */
 
 		if (remain == len && !descfrag) {
 			ownbit_flag = false;
-			*tail = *tail | (1<<29) ; //fist segment of the packet
+			*tail = *tail | (1<<29) ; /* fist segment of the packet */
 			*tail = *tail | (len);
 		} else {
 			ownbit_flag = true;
 		}
 
 		for (i = 0; i < buflen && remain > 0; i++, remain--) {
-			((u8 *)buf)[i] = txbuf[i]; //copy data into descriptor pointed DMAble buffer
+			((u8 *)buf)[i] = txbuf[i]; /* copy data into descriptor pointed DMAble buffer */
 			if (remain == 4 && i+4 >= buflen)
 				break;
 			/* ensure the last desc has at least 4 bytes payload */
@@ -2108,23 +2109,23 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 		}
 		txbuf = txbuf + i;
 		*(tail+3) = *(tail+3) & ~0xfff;
-		*(tail+3) = *(tail+3) | i; // buffer lenght
-		// Use short preamble or not
+		*(tail+3) = *(tail+3) | i; /* buffer length */
+		/* Use short preamble or not */
 		if (priv->ieee80211->current_network.capability&WLAN_CAPABILITY_SHORT_PREAMBLE)
-			if (priv->plcp_preamble_mode == 1 && rate != 0)	//  short mode now, not long!
-			;//	*tail |= (1<<16);				// enable short preamble mode.
+			if (priv->plcp_preamble_mode == 1 && rate != 0)	/*  short mode now, not long! */
+			; /* *tail |= (1<<16); */				/* enable short preamble mode. */
 
 		if (bCTSEnable)
 			*tail |= (1<<18);
 
-		if (bRTSEnable) { //rts enable
-			*tail |= ((ieeerate2rtlrate(priv->ieee80211->basic_rate))<<19);//RTS RATE
-			*tail |= (1<<23);//rts enable
-			*(tail+1) |= (RtsDur&0xffff);//RTS Duration
+		if (bRTSEnable) { /* rts enable */
+			*tail |= ((ieeerate2rtlrate(priv->ieee80211->basic_rate))<<19); /* RTS RATE */
+			*tail |= (1<<23); /* rts enable */
+			*(tail+1) |= (RtsDur&0xffff); /* RTS Duration */
 		}
-		*(tail+3) |= ((TxDescDuration&0xffff)<<16); //DURATION
-//	        *(tail+3) |= (0xe6<<16);
-		*(tail+5) |= (11<<8);//(priv->retry_data<<8); //retry lim ;
+		*(tail+3) |= ((TxDescDuration&0xffff)<<16); /* DURATION */
+		/* *(tail+3) |= (0xe6<<16); */
+		*(tail+5) |= (11<<8); /* (priv->retry_data<<8); */ /* retry lim; */
 
 		*tail = *tail | ((rate&0xf) << 24);
 
@@ -2134,20 +2135,20 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 			duration = rtl8180_len2duration(len, rate, &ext);
 			*(tail+1) = *(tail+1) | ((duration & 0x7fff)<<16);
 			if (ext)
-				*(tail+1) = *(tail+1) | (1<<31); //plcp length extension
+				*(tail+1) = *(tail+1) | (1<<31); /* plcp length extension */
 		}
 
 		if (morefrag)
-			*tail = (*tail) | (1<<17); // more fragment
+			*tail = (*tail) | (1<<17); /* more fragment */
 		if (!remain)
-			*tail = (*tail) | (1<<28); // last segment of frame
+			*tail = (*tail) | (1<<28); /* last segment of frame */
 
 		*(tail+5) = *(tail+5)|(2<<27);
 		*(tail+7) = *(tail+7)|(1<<4);
 
 		wmb();
 		if (ownbit_flag)
-			*tail = *tail | (1<<31); // descriptor ready to be txed
+			*tail = *tail | (1<<31); /* descriptor ready to be txed */
 
 		if ((tail - begin)/8 == count-1)
 			tail = begin;
@@ -2184,7 +2185,8 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 			priv->txhpbufstail = buflist;
 			break;
 		case BEACON_PRIORITY:
-			/* the HW seems to be happy with the 1st
+			/* 
+			 * The HW seems to be happy with the 1st
 			 * descriptor filled and the 2nd empty...
 			 * So always update descriptor 1 and never
 			 * touch 2nd
@@ -2192,7 +2194,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 			break;
 		}
 	}
-	*temp_tail = *temp_tail | (1<<31); // descriptor ready to be txed
+	*temp_tail = *temp_tail | (1<<31); /* descriptor ready to be txed */
 	rtl8180_dma_kick(dev, priority);
 
 	return 0;
@@ -2303,12 +2305,14 @@ void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl)
 
 	spin_lock_irqsave(&priv->ps_lock, flags);
 
-	/* Writing HW register with 0 equals to disable
+	/* 
+	 * Writing HW register with 0 equals to disable
 	 * the timer, that is not really what we want
 	 */
 	tl -= MSECS(4+16+7);
 
-	/* If the interval in witch we are requested to sleep is too
+	/* 
+	 * If the interval in witch we are requested to sleep is too
 	 * short then give up and remain awake
 	 */
 	if (((tl >= rb) && (tl-rb) <= MSECS(MIN_SLEEP_TIME))
@@ -2323,9 +2327,10 @@ void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl)
 
 		priv->DozePeriodInPast2Sec += jiffies_to_msecs(tmp);
 
-		queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); //as tl may be less than rb
+		queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); /* as tl may be less than rb */
 	}
-	/* if we suspect the TimerInt is gone beyond tl
+	/* 
+	 * If we suspect the TimerInt is gone beyond tl
 	 * while setting it, then give up
 	 */
 
@@ -2351,12 +2356,12 @@ void rtl8180_wmm_param_update(struct work_struct *work)
 	u8 i;
 
 	if (!ieee->current_network.QoS_Enable) {
-		//legacy ac_xx_param update
+		/* legacy ac_xx_param update */
 		AcParam.longData = 0;
-		AcParam.f.AciAifsn.f.AIFSN = 2; // Follow 802.11 DIFS.
+		AcParam.f.AciAifsn.f.AIFSN = 2; /* Follow 802.11 DIFS. */
 		AcParam.f.AciAifsn.f.ACM = 0;
-		AcParam.f.Ecw.f.ECWmin = 3; // Follow 802.11 CWmin.
-		AcParam.f.Ecw.f.ECWmax = 7; // Follow 802.11 CWmax.
+		AcParam.f.Ecw.f.ECWmin = 3; /* Follow 802.11 CWmin. */
+		AcParam.f.Ecw.f.ECWmax = 7; /* Follow 802.11 CWmax. */
 		AcParam.f.TXOPLimit = 0;
 		for (eACI = 0; eACI < AC_MAX; eACI++) {
 			AcParam.f.AciAifsn.f.ACI = (u8)eACI;
@@ -2364,7 +2369,7 @@ void rtl8180_wmm_param_update(struct work_struct *work)
 				u8		u1bAIFS;
 				u32		u4bAcParam;
 				pAcParam = (PAC_PARAM)(&AcParam);
-				// Retrive paramters to udpate.
+				/* Retrive paramters to udpate. */
 				u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G) ? 9 : 20) + aSifsTime;
 				u4bAcParam = ((((u32)(pAcParam->f.TXOPLimit))<<AC_PARAM_TXOP_LIMIT_OFFSET)|
 					      (((u32)(pAcParam->f.Ecw.f.ECWmax))<<AC_PARAM_ECW_MAX_OFFSET)|
@@ -2393,16 +2398,16 @@ void rtl8180_wmm_param_update(struct work_struct *work)
 	}
 
 	for (i = 0; i < AC_MAX; i++) {
-		//AcParam.longData = 0;
+		/* AcParam.longData = 0; */
 		pAcParam = (AC_PARAM *)ac_param;
 		{
 			AC_CODING	eACI;
 			u8		u1bAIFS;
 			u32		u4bAcParam;
 
-			// Retrive paramters to udpate.
+			/* Retrive paramters to udpate. */
 			eACI = pAcParam->f.AciAifsn.f.ACI;
-			//Mode G/A: slotTimeTimer = 9; Mode B: 20
+			/* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
 			u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G) ? 9 : 20) + aSifsTime;
 			u4bAcParam = ((((u32)(pAcParam->f.TXOPLimit)) << AC_PARAM_TXOP_LIMIT_OFFSET)	|
 					(((u32)(pAcParam->f.Ecw.f.ECWmax)) << AC_PARAM_ECW_MAX_OFFSET)	|
@@ -2433,7 +2438,7 @@ void rtl8180_wmm_param_update(struct work_struct *work)
 
 void rtl8180_tx_irq_wq(struct work_struct *work);
 void rtl8180_restart_wq(struct work_struct *work);
-//void rtl8180_rq_tx_ack(struct work_struct *work);
+/* void rtl8180_rq_tx_ack(struct work_struct *work); */
 void rtl8180_watch_dog_wq(struct work_struct *work);
 void rtl8180_hw_wakeup_wq(struct work_struct *work);
 void rtl8180_hw_sleep_wq(struct work_struct *work);
@@ -2449,15 +2454,15 @@ void watch_dog_adaptive(unsigned long data)
 		return;
 	}
 
-	// Tx High Power Mechanism.
+	/* Tx High Power Mechanism. */
 	if (CheckHighPower((struct net_device *)data))
 		queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->tx_pw_wq);
 
-	// Tx Power Tracking on 87SE.
+	/* Tx Power Tracking on 87SE. */
 	if (CheckTxPwrTracking((struct net_device *)data))
 		TxPwrTracking87SE((struct net_device *)data);
 
-	// Perform DIG immediately.
+	/* Perform DIG immediately. */
 	if (CheckDig((struct net_device *)data) == true)
 		queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_dig_wq);
 	rtl8180_watch_dog((struct net_device *)data);
@@ -2469,24 +2474,24 @@ void watch_dog_adaptive(unsigned long data)
 }
 
 static CHANNEL_LIST ChannelPlan[] = {
-	{{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64},19},		//FCC
-	{{1,2,3,4,5,6,7,8,9,10,11},11},					//IC
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	//ETSI
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	//Spain. Change to ETSI.
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	//France. Change to ETSI.
-	{{14,36,40,44,48,52,56,60,64},9},				//MKK
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14, 36,40,44,48,52,56,60,64},22},//MKK1
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	//Israel.
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,34,38,42,46},17},		// For 11a , TELEC
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14},  //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
-	{{1,2,3,4,5,6,7,8,9,10,11,12,13},13} //world wide 13: ch1~ch11 active scan, ch12~13 passive //lzm add 080826
+	{{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64},19},		/* FCC */
+	{{1,2,3,4,5,6,7,8,9,10,11},11},					/* IC */
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	/* ETSI */
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	/* Spain. Change to ETSI. */
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	/* France. Change to ETSI. */
+	{{14,36,40,44,48,52,56,60,64},9},				/* MKK */
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14, 36,40,44,48,52,56,60,64},22},/* MKK1 */
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},	/* Israel. */
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,34,38,42,46},17},		/* For 11a , TELEC */
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14},  /* For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626 */
+	{{1,2,3,4,5,6,7,8,9,10,11,12,13},13} /* world wide 13: ch1~ch11 active scan, ch12~13 passive //lzm add 080826 */
 };
 
 static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ieee)
 {
 	int i;
 
-	//lzm add 080826
+	/* lzm add 080826 */
 	ieee->MinPassiveChnlNum = MAX_CHANNEL_NUMBER+1;
 	ieee->IbssStartChnl = 0;
 
@@ -2504,9 +2509,9 @@ static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ie
 			Dot11d_Init(ieee);
 			ieee->bGlobalDomain = false;
 			if (ChannelPlan[channel_plan].Len != 0) {
-				// Clear old channel map
+				/* Clear old channel map */
 				memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
-				// Set new channel map
+				/* Set new channel map */
 				for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
 					if (ChannelPlan[channel_plan].Channel[i] <= 14)
 						GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
@@ -2521,7 +2526,7 @@ static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ie
 			ieee->bGlobalDomain = true;
 			break;
 		}
-	case COUNTRY_CODE_WORLD_WIDE_13_INDEX://lzm add 080826
+	case COUNTRY_CODE_WORLD_WIDE_13_INDEX:/* lzm add 080826 */
 		{
 			ieee->MinPassiveChnlNum = 12;
 			ieee->IbssStartChnl = 10;
@@ -2541,7 +2546,7 @@ static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ie
 
 void GPIOChangeRFWorkItemCallBack(struct work_struct *work);
 
-//YJ,add,080828
+/* YJ,add,080828 */
 static void rtl8180_statistics_init(struct Stats *pstats)
 {
 	memset(pstats, 0, sizeof(struct Stats));
@@ -2552,8 +2557,8 @@ static void rtl8180_link_detect_init(plink_detect_t plink_detect)
 	memset(plink_detect, 0, sizeof(link_detect_t));
 	plink_detect->SlotNum = DEFAULT_SLOT_NUM;
 }
-//YJ,add,080828,end
 
+/* YJ,add,080828,end */
 static void rtl8187se_eeprom_register_read(struct eeprom_93cx6 *eeprom)
 {
 	struct net_device *dev = eeprom->data;
@@ -2610,11 +2615,11 @@ short rtl8180_init(struct net_device *dev)
 	DMESG("Channel plan is %d\n", priv->channel_plan);
 	rtl8180_set_channel_map(priv->channel_plan, priv->ieee80211);
 
-	//FIXME: these constants are placed in a bad pleace.
-	priv->txbuffsize = 2048;//1024;
-	priv->txringcount = 32;//32;
-	priv->rxbuffersize = 2048;//1024;
-	priv->rxringcount = 64;//32;
+	/* FIXME: these constants are placed in a bad pleace. */
+	priv->txbuffsize = 2048;	/* 1024; */
+	priv->txringcount = 32;		/* 32; */
+	priv->rxbuffersize = 2048;	/* 1024; */
+	priv->rxringcount = 64;		/* 32; */
 	priv->txbeaconcount = 2;
 	priv->rx_skb_complete = 1;
 
@@ -2635,7 +2640,7 @@ short rtl8180_init(struct net_device *dev)
 		IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
 		IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;
 	priv->ieee80211->active_scan = 1;
-	priv->ieee80211->rate = 110; //11 mbps
+	priv->ieee80211->rate = 110; /* 11 mbps */
 	priv->ieee80211->modulation = IEEE80211_CCK_MODULATION;
 	priv->ieee80211->host_encrypt = 1;
 	priv->ieee80211->host_decrypt = 1;
@@ -2653,19 +2658,19 @@ short rtl8180_init(struct net_device *dev)
 	priv->SetRFPowerStateInProgress = false;
 	priv->RFProgType = 0;
 	priv->bInHctTest = false;
-	priv->bInactivePs = true;//false;
+	priv->bInactivePs = true; /* false; */
 	priv->ieee80211->bInactivePs = priv->bInactivePs;
 	priv->bSwRfProcessing = false;
 	priv->eRFPowerState = eRfOff;
 	priv->RfOffReason = 0;
 	priv->LedStrategy = SW_LED_MODE0;
-	priv->TxPollingTimes = 0;//lzm add 080826
+	priv->TxPollingTimes = 0; /* lzm add 080826 */
 	priv->bLeisurePs = true;
 	priv->dot11PowerSaveMode = eActive;
 	priv->AdMinCheckPeriod = 5;
 	priv->AdMaxCheckPeriod = 10;
-	priv->AdMaxRxSsThreshold = 30;//60->30
-	priv->AdRxSsThreshold = 20;//50->20
+	priv->AdMaxRxSsThreshold = 30;	/* 60->30 */
+	priv->AdRxSsThreshold = 20;	/* 50->20 */
 	priv->AdCheckPeriod = priv->AdMinCheckPeriod;
 	priv->AdTickCount = 0;
 	priv->AdRxSignalStrength = -1;
@@ -2686,15 +2691,15 @@ short rtl8180_init(struct net_device *dev)
 	priv->bTxPowerTrack = false;
 	priv->ThermalMeter = 0;
 	priv->FalseAlarmRegValue = 0;
-	priv->RegDigOfdmFaUpTh = 0xc; // Upper threhold of OFDM false alarm, which is used in DIG.
+	priv->RegDigOfdmFaUpTh = 0xc; /* Upper threhold of OFDM false alarm, which is used in DIG. */
 	priv->DIG_NumberFallbackVote = 0;
 	priv->DIG_NumberUpgradeVote = 0;
 	priv->LastSignalStrengthInPercent = 0;
 	priv->Stats_SignalStrength = 0;
 	priv->LastRxPktAntenna = 0;
-	priv->SignalQuality = 0; // in 0-100 index.
+	priv->SignalQuality = 0; /* in 0-100 index. */
 	priv->Stats_SignalQuality = 0;
-	priv->RecvSignalPower = 0; // in dBm.
+	priv->RecvSignalPower = 0; /* in dBm. */
 	priv->Stats_RecvSignalPower = 0;
 	priv->AdMainAntennaRxOkCnt = 0;
 	priv->AdAuxAntennaRxOkCnt = 0;
@@ -2824,27 +2829,27 @@ short rtl8180_init(struct net_device *dev)
 	priv->ieee80211->modulation |= IEEE80211_OFDM_MODULATION;
 	priv->ieee80211->short_slot = 1;
 
-	// just for sync 85
+	/* just for sync 85 */
 	priv->enable_gpio0 = 0;
 
 	eeprom_93cx6_read(&eeprom, EEPROM_SW_REVD_OFFSET, &eeprom_val);
 	usValue = eeprom_val;
 	DMESG("usValue is 0x%x\n", usValue);
-	//3Read AntennaDiversity
+	/* 3Read AntennaDiversity */
 
-	// SW Antenna Diversity.
+	/* SW Antenna Diversity. */
 	if ((usValue & EEPROM_SW_AD_MASK) != EEPROM_SW_AD_ENABLE)
 		priv->EEPROMSwAntennaDiversity = false;
 	else
 		priv->EEPROMSwAntennaDiversity = true;
 
-	// Default Antenna to use.
+	/* Default Antenna to use. */
 	if ((usValue & EEPROM_DEF_ANT_MASK) != EEPROM_DEF_ANT_1)
 		priv->EEPROMDefaultAntenna1 = false;
 	else
 		priv->EEPROMDefaultAntenna1 = true;
 
-	if (priv->RegSwAntennaDiversityMechanism == 0) // Auto
+	if (priv->RegSwAntennaDiversityMechanism == 0) /* Auto */
 		/* 0: default from EEPROM. */
 		priv->bSwAntennaDiverity = priv->EEPROMSwAntennaDiversity;
 	else
@@ -2858,11 +2863,11 @@ short rtl8180_init(struct net_device *dev)
 		/* 1: main, 2: aux. */
 		priv->bDefaultAntenna1 = ((priv->RegDefaultAntenna == 2) ? true : false);
 
-	/* rtl8185 can calc plcp len in HW.*/
+	/* rtl8185 can calc plcp len in HW. */
 	priv->hw_plcp_len = 1;
 
 	priv->plcp_preamble_mode = 2;
-	/*the eeprom type is stored in RCR register bit #6 */
+	/* the eeprom type is stored in RCR register bit #6 */
 	if (RCR_9356SEL & read_nic_dword(dev, RCR))
 		priv->epromtype = EPROM_93c56;
 	else
@@ -2997,9 +3002,9 @@ void rtl8180_set_hw_wep(struct net_device *dev)
 
 void rtl8185_rf_pins_enable(struct net_device *dev)
 {
-//	u16 tmp;
-//	tmp = read_nic_word(dev, RFPinsEnable);
-	write_nic_word(dev, RFPinsEnable, 0x1fff);// | tmp);
+	/* u16 tmp; */
+	/* tmp = read_nic_word(dev, RFPinsEnable); */
+	write_nic_word(dev, RFPinsEnable, 0x1fff); /* | tmp); */
 }
 
 void rtl8185_set_anaparam2(struct net_device *dev, u32 a)
@@ -3047,7 +3052,7 @@ void rtl8185_write_phy(struct net_device *dev, u8 adr, u32 data)
 
 	phyw = ((data<<8) | adr);
 
-	// Note that, we must write 0xff7c after 0x7d-0x7f to write BB register.
+	/* Note that, we must write 0xff7c after 0x7d-0x7f to write BB register. */
 	write_nic_byte(dev, 0x7f, ((phyw & 0xff000000) >> 24));
 	write_nic_byte(dev, 0x7e, ((phyw & 0x00ff0000) >> 16));
 	write_nic_byte(dev, 0x7d, ((phyw & 0x0000ff00) >> 8));
@@ -3056,7 +3061,7 @@ void rtl8185_write_phy(struct net_device *dev, u8 adr, u32 data)
 	/* this is ok to fail when we write AGC table. check for AGC table might be
 	 * done by masking with 0x7f instead of 0xff
 	 */
-	//if(phyr != (data&0xff)) DMESGW("Phy write timeout %x %x %x", phyr, data,adr);
+	/* if (phyr != (data&0xff)) DMESGW("Phy write timeout %x %x %x", phyr, data, adr); */
 }
 
 inline void write_phy_ofdm(struct net_device *dev, u8 adr, u32 data)
@@ -3102,7 +3107,8 @@ void rtl8180_adapter_start(struct net_device *dev)
 
 	/* enable beacon timeout, beacon TX ok and err
 	 * LP tx ok and err, HP TX ok and err, NP TX ok and err,
-	 * RX ok and ERR, and GP timer */
+	 * RX ok and ERR, and GP timer
+	 */
 	priv->irq_mask = 0x6fcf;
 
 	priv->dma_poll_mask = 0;
@@ -3123,15 +3129,15 @@ void rtl8180_adapter_start(struct net_device *dev)
 	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
 
 	/*
-	   The following is very strange. seems to be that 1 means test mode,
-	   but we need to acknolwledges the nic when a packet is ready
-	   although we set it to 0
-	*/
+	 * The following is very strange. seems to be that 1 means test mode,
+	 * but we need to acknolwledges the nic when a packet is ready
+	 * although we set it to 0
+	 */
 
 	write_nic_byte(dev,
 		       CONFIG2, read_nic_byte(dev, CONFIG2) & ~\
 		       (1<<CONFIG2_DMA_POLLING_MODE_SHIFT));
-	//^the nic isn't in test mode
+	/* ^the nic isn't in test mode */
 	write_nic_byte(dev,
 		       CONFIG2, read_nic_byte(dev, CONFIG2)|(1<<4));
 
@@ -3148,7 +3154,7 @@ void rtl8180_adapter_start(struct net_device *dev)
 
 	write_nic_byte(dev, GP_ENABLE, read_nic_byte(dev, GP_ENABLE) & ~(1<<6));
 
-	/*FIXME cfg 3 ClkRun enable - isn't it ReadOnly ? */
+	/* FIXME cfg 3 ClkRun enable - isn't it ReadOnly ? */
 	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
 	write_nic_byte(dev, CONFIG3, read_nic_byte(dev, CONFIG3)
 		       | (1 << CONFIG3_CLKRUN_SHIFT));
@@ -3163,7 +3169,8 @@ void rtl8180_adapter_start(struct net_device *dev)
 	netif_start_queue(dev);
 }
 
-/* this configures registers for beacon tx and enables it via
+/* 
+ * This configures registers for beacon tx and enables it via
  * rtl8180_beacon_tx_enable(). rtl8180_beacon_tx_disable() might
  * be used to stop beacon transmission
  */
@@ -3177,11 +3184,11 @@ void rtl8180_start_tx_beacon(struct net_device *dev)
 	rtl8180_beacon_tx_enable(dev);
 
 	word = read_nic_word(dev, AtimWnd) & ~AtimWnd_AtimWnd;
-	write_nic_word(dev, AtimWnd, word); // word |=
+	write_nic_word(dev, AtimWnd, word); /* word |= */
 
 	word  = read_nic_word(dev, BintrItv);
 	word &= ~BintrItv_BintrItv;
-	word |= 1000;/*priv->ieee80211->current_network.beacon_interval *
+	word |= 1000; /* priv->ieee80211->current_network.beacon_interval *
 		((priv->txbeaconcount > 1)?(priv->txbeaconcount-1):1);
 	// FIXME: check if correct ^^ worked with 0x3e8;
 	*/
@@ -3198,16 +3205,17 @@ static struct net_device_stats *rtl8180_stats(struct net_device *dev)
 
 	return &priv->ieee80211->stats;
 }
-//
-// Change current and default preamble mode.
-//
+
+/*
+ * Change current and default preamble mode.
+ */
 bool
 MgntActSet_802_11_PowerSaveMode(
 	struct r8180_priv *priv,
 	RT_PS_MODE		rtPsMode
 )
 {
-	// Currently, we do not change power save mode on IBSS mode.
+	/* Currently, we do not change power save mode on IBSS mode. */
 	if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 		return false;
 
@@ -3220,7 +3228,7 @@ void LeisurePSEnter(struct r8180_priv *priv)
 {
 	if (priv->bLeisurePs) {
 		if (priv->ieee80211->ps == IEEE80211_PS_DISABLED)
-			MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);//IEEE80211_PS_ENABLE
+			MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST); /* IEEE80211_PS_ENABLE */
 	}
 }
 
@@ -3256,9 +3264,9 @@ static void MgntLinkKeepAlive(struct r8180_priv *priv)
 		return;
 
 	if (priv->ieee80211->state == IEEE80211_LINKED) {
-		//
-		// Keep-Alive.
-		//
+		/*
+		 * Keep-Alive.
+		 */
 
 		if ((priv->keepAliveLevel == 2) ||
 			(priv->link_detect.LastNumTxUnicast == priv->NumTxUnicast &&
@@ -3266,9 +3274,9 @@ static void MgntLinkKeepAlive(struct r8180_priv *priv)
 			) {
 			priv->link_detect.IdleCount++;
 
-			//
-			// Send a Keep-Alive packet packet to AP if we had been idle for a while.
-			//
+			/*
+			 * Send a Keep-Alive packet packet to AP if we had been idle for a while.
+			 */
 			if (priv->link_detect.IdleCount >= ((KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD)-1)) {
 				priv->link_detect.IdleCount = 0;
 				ieee80211_sta_ps_send_null_frame(priv->ieee80211, false);
@@ -3295,7 +3303,7 @@ void rtl8180_watch_dog(struct net_device *dev)
 		if ((priv->ieee80211->iw_mode != IW_MODE_ADHOC) && (priv->ieee80211->state == IEEE80211_NOLINK) && (priv->ieee80211->beinretry == false) && (priv->eRFPowerState == eRfOn))
 			IPSEnter(dev);
 	}
-	//YJ,add,080828,for link state check
+	/* YJ,add,080828,for link state check */
 	if ((priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_INFRA)) {
 		SlotIndex = (priv->link_detect.SlotIndex++) % priv->link_detect.SlotNum;
 		priv->link_detect.RxFrameNum[SlotIndex] = priv->ieee80211->NumRxDataInPeriod + priv->ieee80211->NumRxBcnInPeriod;
@@ -3308,10 +3316,10 @@ void rtl8180_watch_dog(struct net_device *dev)
 		}
 	}
 
-	//YJ,add,080828,for KeepAlive
+	/* YJ,add,080828,for KeepAlive */
 	MgntLinkKeepAlive(priv);
 
-	//YJ,add,080828,for LPS
+	/* YJ,add,080828,for LPS */
 	if (priv->PowerProfile == POWER_PROFILE_BATTERY)
 		priv->bLeisurePs = true;
 	else if (priv->PowerProfile == POWER_PROFILE_AC) {
@@ -3586,8 +3594,8 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 		goto fail1;
 	}
 
-	dev->mem_start = ioaddr; // shared mem start
-	dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
+	dev->mem_start = ioaddr; /* shared mem start */
+	dev->mem_end = ioaddr + pci_resource_len(pdev, 0); /* shared mem end */
 
 	pci_read_config_byte(pdev, 0x05, &unit);
 	pci_write_config_byte(pdev, 0x05, unit & (~0x04));
@@ -3756,19 +3764,19 @@ void rtl8180_try_wake_queue(struct net_device *dev, int pri)
 void rtl8180_tx_isr(struct net_device *dev, int pri, short error)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-	u32 *tail; //tail virtual addr
-	u32 *head; //head virtual addr
-	u32 *begin;//start of ring virtual addr
-	u32 *nicv; //nic pointer virtual addr
-	u32 nic; //nic pointer physical addr
-	u32 nicbegin;// start of ring physical addr
+	u32 *tail; /* tail virtual addr */
+	u32 *head; /* head virtual addr */
+	u32 *begin; /* start of ring virtual addr */
+	u32 *nicv; /* nic pointer virtual addr */
+	u32 nic; /* nic pointer physical addr */
+	u32 nicbegin; /* start of ring physical addr */
 	unsigned long flag;
-	/* physical addr are ok on 32 bits since we set DMA mask*/
+	/* physical addr are ok on 32 bits since we set DMA mask */
 	int offs;
 	int j, i;
 	int hd;
 	if (error)
-		priv->stats.txretry++; //tony 20060601
+		priv->stats.txretry++; /* tony 20060601 */
 	spin_lock_irqsave(&priv->tx_lock, flag);
 	switch (pri) {
 	case MANAGE_PRIORITY:
@@ -3828,10 +3836,11 @@ void rtl8180_tx_isr(struct net_device *dev, int pri, short error)
 			return;
 		}
 
-	/* we check all the descriptors between the head and the nic,
+	/* 
+	 * We check all the descriptors between the head and the nic,
 	 * but not the currently pointed by the nic (the next to be txed)
 	 * and the previous of the pointed (might be in process ??)
-	*/
+	 */
 	offs = (nic - nicbegin);
 	offs = offs / 8 / 4;
 	hd = (head - begin) / 8;
@@ -3865,7 +3874,8 @@ void rtl8180_tx_isr(struct net_device *dev, int pri, short error)
 			head += 8;
 	}
 
-	/* the head has been moved to the last certainly TXed
+	/* 
+	 * The head has been moved to the last certainly TXed
 	 * (or at least processed by the nic) packet.
 	 * The driver take forcefully owning of all these packets
 	 * If the packet previous of the nic pointer has been
@@ -3927,9 +3937,9 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 
 	spin_lock_irqsave(&priv->irq_th_lock, flags);
 
-	//ISR: 4bytes
-	inta = read_nic_dword(dev, ISR);// & priv->IntrMask;
-	write_nic_dword(dev, ISR, inta); // reset int situation
+	/* ISR: 4bytes */
+	inta = read_nic_dword(dev, ISR); /* & priv->IntrMask; */
+	write_nic_dword(dev, ISR, inta); /* reset int situation */
 
 	priv->stats.shints++;
 
@@ -3937,9 +3947,9 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 		spin_unlock_irqrestore(&priv->irq_th_lock, flags);
 		return IRQ_HANDLED;
 	/*
-	   most probably we can safely return IRQ_NONE,
-	   but for now is better to avoid problems
-	*/
+	 * most probably we can safely return IRQ_NONE,
+	 * but for now is better to avoid problems
+	 */
 	}
 
 	if (inta == 0xffff) {
@@ -3973,8 +3983,8 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 		priv->ieee80211->stats.tx_errors++;
 	}
 
-	if (inta & ISR_THPDOK) { //High priority tx ok
-		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
+	if (inta & ISR_THPDOK) { /* High priority tx ok */
+		priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
 		priv->stats.txhpokint++;
 		rtl8180_tx_isr(dev, HI_PRIORITY, 0);
 	}
@@ -3982,27 +3992,27 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 	if (inta & ISR_RER)
 		priv->stats.rxerr++;
 
-	if (inta & ISR_TBKDER) { //corresponding to BK_PRIORITY
+	if (inta & ISR_TBKDER) { /* corresponding to BK_PRIORITY */
 		priv->stats.txbkperr++;
 		priv->ieee80211->stats.tx_errors++;
 		rtl8180_tx_isr(dev, BK_PRIORITY, 1);
 		rtl8180_try_wake_queue(dev, BE_PRIORITY);
 	}
 
-	if (inta & ISR_TBEDER) { //corresponding to BE_PRIORITY
+	if (inta & ISR_TBEDER) { /* corresponding to BE_PRIORITY */
 		priv->stats.txbeperr++;
 		priv->ieee80211->stats.tx_errors++;
 		rtl8180_tx_isr(dev, BE_PRIORITY, 1);
 		rtl8180_try_wake_queue(dev, BE_PRIORITY);
 	}
-	if (inta & ISR_TNPDER) { //corresponding to VO_PRIORITY
+	if (inta & ISR_TNPDER) { /* corresponding to VO_PRIORITY */
 		priv->stats.txnperr++;
 		priv->ieee80211->stats.tx_errors++;
 		rtl8180_tx_isr(dev, NORM_PRIORITY, 1);
 		rtl8180_try_wake_queue(dev, NORM_PRIORITY);
 	}
 
-	if (inta & ISR_TLPDER) { //corresponding to VI_PRIORITY
+	if (inta & ISR_TLPDER) { /* corresponding to VI_PRIORITY */
 		priv->stats.txlperr++;
 		priv->ieee80211->stats.tx_errors++;
 		rtl8180_tx_isr(dev, LOW_PRIORITY, 1);
@@ -4036,29 +4046,29 @@ irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
 	if (inta & ISR_TXFOVW)
 		priv->stats.txoverflow++;
 
-	if (inta & ISR_TNPDOK) { //Normal priority tx ok
-		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
+	if (inta & ISR_TNPDOK) { /* Normal priority tx ok */
+		priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
 		priv->stats.txnpokint++;
 		rtl8180_tx_isr(dev, NORM_PRIORITY, 0);
 	}
 
-	if (inta & ISR_TLPDOK) { //Low priority tx ok
-		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
+	if (inta & ISR_TLPDOK) { /* Low priority tx ok */
+		priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
 		priv->stats.txlpokint++;
 		rtl8180_tx_isr(dev, LOW_PRIORITY, 0);
 		rtl8180_try_wake_queue(dev, LOW_PRIORITY);
 	}
 
-	if (inta & ISR_TBKDOK) { //corresponding to BK_PRIORITY
+	if (inta & ISR_TBKDOK) { /* corresponding to BK_PRIORITY */
 		priv->stats.txbkpokint++;
-		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
+		priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
 		rtl8180_tx_isr(dev, BK_PRIORITY, 0);
 		rtl8180_try_wake_queue(dev, BE_PRIORITY);
 	}
 
-	if (inta & ISR_TBEDOK) { //corresponding to BE_PRIORITY
+	if (inta & ISR_TBEDOK) { /* corresponding to BE_PRIORITY */
 		priv->stats.txbeperr++;
-		priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
+		priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
 		rtl8180_tx_isr(dev, BE_PRIORITY, 0);
 		rtl8180_try_wake_queue(dev, BE_PRIORITY);
 	}

From fdd2d9341d50f3a67fc35394e41146f30a383a6b Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Fri, 14 May 2010 11:15:38 +0300
Subject: [PATCH 1460/3638] Staging: dt3155v4l: introduce state machine

This patch introduces a v4l2 state machine, so now
CONFIG_DT3155_STREAMING is no more needed.

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155v4l/Kconfig     |  8 ---
 drivers/staging/dt3155v4l/dt3155v4l.c | 80 ++++++++++++++++++++++-----
 drivers/staging/dt3155v4l/dt3155v4l.h |  4 +-
 3 files changed, 69 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/dt3155v4l/Kconfig b/drivers/staging/dt3155v4l/Kconfig
index 5cef5420d28..f49f4ac035b 100644
--- a/drivers/staging/dt3155v4l/Kconfig
+++ b/drivers/staging/dt3155v4l/Kconfig
@@ -18,11 +18,3 @@ config DT3155_CCIR
 	---help---
 	  Select it for CCIR/50Hz (European region),
 	  or leave it unselected for RS-170/60Hz (North America).
-
-config DT3155_STREAMING
-	bool "Selects mmap streaming instead of read method"
-	depends on VIDEO_DT3155
-	default y
-	---help---
-	  Select it if you wish to try mmap streaming, or
-	  or leave it unselected for using read method.
diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index 49463611f4f..308fb45965b 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -930,6 +930,7 @@ dt3155_release(struct file *filp)
 		dt3155_stop_acq(pd);
 		videobuf_stop(pd->vidq);
 		pd->acq_fp = NULL;
+		pd->streaming = 0;
 	}
 	if (!pd->users) {
 		kthread_stop(pd->thread);
@@ -949,11 +950,15 @@ dt3155_read(struct file *filp, char __user *user, size_t size, loff_t *loff)
 
 	if (mutex_lock_interruptible(&pd->mux) == -EINTR)
 		return -ERESTARTSYS;
-	if (!pd->acq_fp)
+	if (!pd->acq_fp) {
 		pd->acq_fp = filp;
-	else if (pd->acq_fp != filp) {
+		pd->streaming = 0;
+	} else if (pd->acq_fp != filp) {
 		ret = -EBUSY;
 		goto done;
+	} else if (pd->streaming == 1) {
+		ret = -EINVAL;
+		goto done;
 	}
 	ret = videobuf_read_stream(pd->vidq, user, size, loff, 0,
 						filp->f_flags & O_NONBLOCK);
@@ -1001,8 +1006,10 @@ dt3155_ioc_streamon(struct file *filp, void *p, enum v4l2_buf_type type)
 		if (ret)
 			goto unlock;
 		pd->acq_fp = filp;
+		pd->streaming = 1;
 		wake_up_interruptible_sync(&pd->do_dma);
 	} else if (pd->acq_fp == filp) {
+		pd->streaming = 1;
 		ret = videobuf_streamon(pd->vidq);
 		if (!ret)
 			wake_up_interruptible_sync(&pd->do_dma);
@@ -1043,11 +1050,8 @@ dt3155_ioc_querycap(struct file *filp, void *p, struct v4l2_capability *cap)
 	cap->version =
 	       KERNEL_VERSION(DT3155_VER_MAJ, DT3155_VER_MIN, DT3155_VER_EXT);
 	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
-#ifdef CONFIG_DT3155_STREAMING
-				V4L2_CAP_STREAMING;
-#else
+				V4L2_CAP_STREAMING |
 				V4L2_CAP_READWRITE;
-#endif
 	return 0;
 }
 
@@ -1095,7 +1099,28 @@ dt3155_ioc_try_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
 static int
 dt3155_ioc_s_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
 {
-	return dt3155_ioc_g_fmt_vid_cap(filp, p, f);
+	struct dt3155_priv *pd = video_drvdata(filp);
+	int ret =  -ERESTARTSYS;
+
+	if (mutex_lock_interruptible(&pd->mux) == -EINTR)
+		return ret;
+	if (!pd->acq_fp) {
+		pd->acq_fp = filp;
+		pd->streaming = 0;
+	} else if (pd->acq_fp != filp) {
+		ret = -EBUSY;
+		goto done;
+	}
+/*	FIXME: we don't change the format for now
+	if (pd->vidq->streaming || pd->vidq->reading || pd->curr_buff) {
+		ret = -EBUSY;
+		goto done;
+	}
+*/
+	ret = dt3155_ioc_g_fmt_vid_cap(filp, p, f);
+done:
+	mutex_unlock(&pd->mux);
+	return ret;
 }
 
 static int
@@ -1103,15 +1128,33 @@ dt3155_ioc_reqbufs(struct file *filp, void *p, struct v4l2_requestbuffers *b)
 {
 	struct dt3155_priv *pd = video_drvdata(filp);
 	struct videobuf_queue *q = pd->vidq;
+	int ret = -ERESTARTSYS;
 
 	if (b->memory != V4L2_MEMORY_MMAP)
 		return -EINVAL;
+	if (mutex_lock_interruptible(&pd->mux) == -EINTR)
+		return ret;
+	if (!pd->acq_fp)
+		pd->acq_fp = filp;
+	else if (pd->acq_fp != filp) {
+		ret = -EBUSY;
+		goto done;
+	}
+	pd->streaming = 1;
+	ret = 0;
+done:
+	mutex_unlock(&pd->mux);
+	if (ret)
+		return ret;
 	if (b->count)
-		return videobuf_reqbufs(q, b);
+		ret = videobuf_reqbufs(q, b);
 	else { /* FIXME: is it necessary? */
 		printk(KERN_DEBUG "dt3155: request to free buffers\n");
-		return videobuf_mmap_free(q);
+		/* ret = videobuf_mmap_free(q); */
+		ret = dt3155_ioc_streamoff(filp, p,
+						V4L2_BUF_TYPE_VIDEO_CAPTURE);
 	}
+	return ret;
 }
 
 static int
@@ -1128,8 +1171,12 @@ dt3155_ioc_qbuf(struct file *filp, void *p, struct v4l2_buffer *b)
 {
 	struct dt3155_priv *pd = video_drvdata(filp);
 	struct videobuf_queue *q = pd->vidq;
+	int ret;
 
-	return videobuf_qbuf(q, b);
+	ret = videobuf_qbuf(q, b);
+	if (ret)
+		return ret;
+	return videobuf_querybuf(q, b);
 }
 
 static int
@@ -1170,7 +1217,12 @@ dt3155_ioc_enum_input(struct file *filp, void *p, struct v4l2_input *input)
 		return -EINVAL;
 	strcpy(input->name, "Coax in");
 	input->type = V4L2_INPUT_TYPE_CAMERA;
-	input->std = V4L2_STD_ALL;
+	/*
+	 * FIXME: input->std = 0 according to v4l2 API
+	 * VIDIOC_G_STD, VIDIOC_S_STD, VIDIOC_QUERYSTD and VIDIOC_ENUMSTD
+	 * should return -EINVAL
+	 */
+	input->std = DT3155_CURRENT_NORM;
 	input->status = 0;/* FIXME: add sync detection & V4L2_IN_ST_NO_H_LOCK */
 	return 0;
 }
@@ -1200,7 +1252,7 @@ dt3155_ioc_g_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
 	parms->parm.capture.timeperframe.numerator = 1001;
 	parms->parm.capture.timeperframe.denominator = frames_per_sec * 1000;
 	parms->parm.capture.extendedmode = 0;
-	parms->parm.capture.readbuffers = 1;
+	parms->parm.capture.readbuffers = 1; /* FIXME: 2 buffers? */
 	return 0;
 }
 
@@ -1214,7 +1266,7 @@ dt3155_ioc_s_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
 	parms->parm.capture.timeperframe.numerator = 1001;
 	parms->parm.capture.timeperframe.denominator = frames_per_sec * 1000;
 	parms->parm.capture.extendedmode = 0;
-	parms->parm.capture.readbuffers = 1;
+	parms->parm.capture.readbuffers = 1; /* FIXME: 2 buffers? */
 	return 0;
 }
 
@@ -1377,7 +1429,7 @@ static struct video_device dt3155_vdev = {
 	.ioctl_ops = &dt3155_ioctl_ops,
 	.minor = -1,
 	.release = video_device_release,
-	.tvnorms = V4L2_STD_ALL,
+	.tvnorms = DT3155_CURRENT_NORM,
 	.current_norm = DT3155_CURRENT_NORM,
 };
 
diff --git a/drivers/staging/dt3155v4l/dt3155v4l.h b/drivers/staging/dt3155v4l/dt3155v4l.h
index 4c6a0ee08c0..e65a81e198b 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.h
+++ b/drivers/staging/dt3155v4l/dt3155v4l.h
@@ -30,7 +30,7 @@
 #define DT3155_NAME "dt3155"
 #define DT3155_VER_MAJ 1
 #define DT3155_VER_MIN 0
-#define DT3155_VER_EXT 2
+#define DT3155_VER_EXT 3
 #define DT3155_VERSION  __stringify(DT3155_VER_MAJ)	"."		\
 			__stringify(DT3155_VER_MIN)	"."		\
 			__stringify(DT3155_VER_EXT)
@@ -180,6 +180,7 @@ struct dt3155_stats {
  *
  * @vdev:		pointer to video_device structure
  * @acq_fp		pointer to filp that starts acquisition
+ * @streaming		streaming is negotiated
  * @pdev:		pointer to pci_dev structure
  * @vidq		pointer to videobuf_queue structure
  * @curr_buf:		pointer to curren buffer
@@ -200,6 +201,7 @@ struct dt3155_stats {
 struct dt3155_priv {
 	struct video_device *vdev;
 	struct file *acq_fp;
+	int streaming;
 	struct pci_dev *pdev;
 	struct videobuf_queue *vidq;
 	struct videobuf_buffer *curr_buf;

From b5a2104c98cb603f7053e4b0309fb88f15d6be86 Mon Sep 17 00:00:00 2001
From: Soeren Moeller <soerenmoeller2001@gmail.com>
Date: Fri, 14 May 2010 19:03:00 +0000
Subject: [PATCH 1461/3638] Staging: udlfb: fix coding style issues

This is a patch to the file udlfb.c that fixes a missing KERN_INFO and
removes one whitespace before a newline.

Signed-off-by: Soeren Moeller <soerenmoeller2001@gmail.com>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/udlfb/udlfb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c
index 12444f2014e..7fc1d611a78 100644
--- a/drivers/staging/udlfb/udlfb.c
+++ b/drivers/staging/udlfb/udlfb.c
@@ -1438,7 +1438,7 @@ static int __init dlfb_module_init(void)
 	if (res)
 		err("usb_register failed. Error number %d", res);
 
-	printk("VMODES initialized\n");
+	printk(KERN_INFO "VMODES initialized\n");
 
 	return res;
 }
@@ -1567,7 +1567,7 @@ static int dlfb_alloc_urb_list(struct dlfb_data *dev, int count, size_t size)
 
 	kref_get(&dev->kref); /* released in free_render_urbs() */
 
-	dl_notice("allocated %d %d byte urbs \n", i, (int) size);
+	dl_notice("allocated %d %d byte urbs\n", i, (int) size);
 
 	return i;
 }

From 7a6cb0d5497418599d2125b670926b75e673861c Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 13 May 2010 22:00:05 +0200
Subject: [PATCH 1462/3638] Staging: Use kcalloc or kzalloc

Use kcalloc or kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,y,flags;
statement S;
type T;
@@

x =
-   kmalloc
+   kcalloc
           (
-           y * sizeof(T),
+           y, sizeof(T),
                flags);
 if (x == NULL) S
-memset(x, 0, y * sizeof(T));

@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
---
 .../comedi/drivers/addi-data/addi_amcc_s5933.h       |  4 +---
 .../staging/comedi/drivers/addi-data/amcc_s5933_58.h |  4 +---
 drivers/staging/comedi/drivers/icp_multi.h           |  3 +--
 drivers/staging/dream/pmem.c                         |  5 +----
 drivers/staging/go7007/go7007-fw.c                   | 12 ++++--------
 drivers/staging/go7007/go7007-usb.c                  |  3 +--
 drivers/staging/go7007/go7007-v4l2.c                 |  4 +---
 drivers/staging/go7007/saa7134-go7007.c              |  3 +--
 drivers/staging/otus/zdusb.c                         |  5 +----
 drivers/staging/panel/panel.c                        |  3 +--
 drivers/staging/pohmelfs/config.c                    |  3 +--
 .../staging/rtl8187se/ieee80211/ieee80211_crypt.c    |  6 ++----
 .../rtl8187se/ieee80211/ieee80211_crypt_ccmp.c       |  3 +--
 .../rtl8187se/ieee80211/ieee80211_crypt_tkip.c       |  3 +--
 .../rtl8187se/ieee80211/ieee80211_crypt_wep.c        |  3 +--
 .../staging/rtl8187se/ieee80211/ieee80211_module.c   |  7 ++-----
 drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c   |  3 +--
 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c |  6 ++----
 .../rtl8192e/ieee80211/ieee80211_crypt_ccmp.c        |  3 +--
 .../rtl8192e/ieee80211/ieee80211_crypt_tkip.c        |  3 +--
 .../staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c |  3 +--
 .../staging/rtl8192e/ieee80211/ieee80211_module.c    |  7 ++-----
 .../staging/rtl8192e/ieee80211/ieee80211_softmac.c   |  3 +--
 drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c    |  3 +--
 .../staging/rtl8192su/ieee80211/ieee80211_crypt.c    |  6 ++----
 .../rtl8192su/ieee80211/ieee80211_crypt_ccmp.c       |  3 +--
 .../rtl8192su/ieee80211/ieee80211_crypt_tkip.c       |  3 +--
 .../rtl8192su/ieee80211/ieee80211_crypt_wep.c        |  3 +--
 .../staging/rtl8192su/ieee80211/ieee80211_module.c   |  7 ++-----
 .../staging/rtl8192su/ieee80211/ieee80211_softmac.c  |  3 +--
 drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c   |  3 +--
 drivers/staging/rtl8192u/ieee80211/api.c             |  4 +---
 drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c |  6 ++----
 .../rtl8192u/ieee80211/ieee80211_crypt_ccmp.c        |  3 +--
 .../rtl8192u/ieee80211/ieee80211_crypt_tkip.c        |  3 +--
 .../staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c |  3 +--
 .../staging/rtl8192u/ieee80211/ieee80211_module.c    |  7 ++-----
 .../staging/rtl8192u/ieee80211/ieee80211_softmac.c   |  3 +--
 drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c    |  3 +--
 drivers/staging/rtl8192u/r8192U_core.c               |  4 +---
 drivers/staging/sm7xx/smtcfb.c                       |  4 +---
 drivers/staging/vme/bridges/vme_ca91cx42.c           |  8 ++------
 drivers/staging/vme/bridges/vme_tsi148.c             |  8 ++------
 drivers/staging/vt6655/hostap.c                      |  3 +--
 drivers/staging/vt6655/wpactl.c                      |  3 +--
 drivers/staging/vt6656/hostap.c                      |  3 +--
 drivers/staging/vt6656/wpactl.c                      |  3 +--
 drivers/staging/wlan-ng/p80211conv.c                 |  3 +--
 drivers/staging/wlan-ng/prism2fw.c                   |  3 +--
 49 files changed, 62 insertions(+), 142 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h b/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
index 3682503e341..c3284eb0f0a 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
+++ b/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
@@ -260,12 +260,10 @@ void v_pci_card_list_init(unsigned short pci_vendor, char display)
 		for (i_Count = 0; i_Count < 2; i_Count++) {
 			pci_vendor = i_ADDIDATADeviceID[i_Count];
 			if (pcidev->vendor == pci_vendor) {
-				amcc = kmalloc(sizeof(*amcc), GFP_KERNEL);
+				amcc = kzalloc(sizeof(*amcc), GFP_KERNEL);
 				if (amcc == NULL)
 					continue;
 
-				memset(amcc, 0, sizeof(*amcc));
-
 				amcc->pcidev = pcidev;
 				if (last)
 					last->next = amcc;
diff --git a/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h b/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h
index 49141b3558e..349e93c23e9 100644
--- a/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h
+++ b/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h
@@ -253,12 +253,10 @@ void v_pci_card_list_init(unsigned short pci_vendor, char display)
 
 	pci_for_each_dev(pcidev) {
 		if (pcidev->vendor == pci_vendor) {
-			amcc = kmalloc(sizeof(*amcc), GFP_KERNEL);
+			amcc = kzalloc(sizeof(*amcc), GFP_KERNEL);
 			if (amcc == NULL)
 				continue;
 
-			memset(amcc, 0, sizeof(*amcc));
-
 			amcc->pcidev = pcidev;
 			if (last) {
 				last->next = amcc;
diff --git a/drivers/staging/comedi/drivers/icp_multi.h b/drivers/staging/comedi/drivers/icp_multi.h
index 8caadc630ed..2bb96b1d21e 100644
--- a/drivers/staging/comedi/drivers/icp_multi.h
+++ b/drivers/staging/comedi/drivers/icp_multi.h
@@ -73,14 +73,13 @@ static void pci_card_list_init(unsigned short pci_vendor, char display)
 	     pcidev != NULL;
 	     pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {
 		if (pcidev->vendor == pci_vendor) {
-			inova = kmalloc(sizeof(*inova), GFP_KERNEL);
+			inova = kzalloc(sizeof(*inova), GFP_KERNEL);
 			if (!inova) {
 				printk
 				    ("icp_multi: pci_card_list_init: allocation failed\n");
 				pci_dev_put(pcidev);
 				break;
 			}
-			memset(inova, 0, sizeof(*inova));
 
 			inova->pcidev = pci_dev_get(pcidev);
 			if (last) {
diff --git a/drivers/staging/dream/pmem.c b/drivers/staging/dream/pmem.c
index dbd2b1d14c4..6387365a833 100644
--- a/drivers/staging/dream/pmem.c
+++ b/drivers/staging/dream/pmem.c
@@ -1245,14 +1245,11 @@ int pmem_setup(struct android_pmem_platform_data *pdata,
 	}
 	pmem[id].num_entries = pmem[id].size / PMEM_MIN_ALLOC;
 
-	pmem[id].bitmap = kmalloc(pmem[id].num_entries *
+	pmem[id].bitmap = kcalloc(pmem[id].num_entries,
 				  sizeof(struct pmem_bits), GFP_KERNEL);
 	if (!pmem[id].bitmap)
 		goto err_no_mem_for_metadata;
 
-	memset(pmem[id].bitmap, 0, sizeof(struct pmem_bits) *
-					  pmem[id].num_entries);
-
 	for (i = sizeof(pmem[id].num_entries) * 8 - 1; i >= 0; i--) {
 		if ((pmem[id].num_entries) &  1<<i) {
 			PMEM_ORDER(id, index) = i;
diff --git a/drivers/staging/go7007/go7007-fw.c b/drivers/staging/go7007/go7007-fw.c
index ee622ff1707..c9a6409edfe 100644
--- a/drivers/staging/go7007/go7007-fw.c
+++ b/drivers/staging/go7007/go7007-fw.c
@@ -380,13 +380,12 @@ static int gen_mjpeghdr_to_package(struct go7007 *go, __le16 *code, int space)
 	unsigned int addr = 0x19;
 	int size = 0, i, off = 0, chunk;
 
-	buf = kmalloc(4096, GFP_KERNEL);
+	buf = kzalloc(4096, GFP_KERNEL);
 	if (buf == NULL) {
 		printk(KERN_ERR "go7007: unable to allocate 4096 bytes for "
 				"firmware construction\n");
 		return -1;
 	}
-	memset(buf, 0, 4096);
 
 	for (i = 1; i < 32; ++i) {
 		mjpeg_frame_header(go, buf + size, i);
@@ -651,13 +650,12 @@ static int gen_mpeg1hdr_to_package(struct go7007 *go,
 	unsigned int addr = 0x19;
 	int i, off = 0, chunk;
 
-	buf = kmalloc(5120, GFP_KERNEL);
+	buf = kzalloc(5120, GFP_KERNEL);
 	if (buf == NULL) {
 		printk(KERN_ERR "go7007: unable to allocate 5120 bytes for "
 				"firmware construction\n");
 		return -1;
 	}
-	memset(buf, 0, 5120);
 	framelen[0] = mpeg1_frame_header(go, buf, 0, 1, PFRAME);
 	if (go->interlace_coding)
 		framelen[0] += mpeg1_frame_header(go, buf + framelen[0] / 8,
@@ -839,13 +837,12 @@ static int gen_mpeg4hdr_to_package(struct go7007 *go,
 	unsigned int addr = 0x19;
 	int i, off = 0, chunk;
 
-	buf = kmalloc(5120, GFP_KERNEL);
+	buf = kzalloc(5120, GFP_KERNEL);
 	if (buf == NULL) {
 		printk(KERN_ERR "go7007: unable to allocate 5120 bytes for "
 				"firmware construction\n");
 		return -1;
 	}
-	memset(buf, 0, 5120);
 	framelen[0] = mpeg4_frame_header(go, buf, 0, PFRAME);
 	i = 368;
 	framelen[1] = mpeg4_frame_header(go, buf + i, 0, BFRAME_PRE);
@@ -1585,13 +1582,12 @@ int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen)
 			go->board_info->firmware);
 		return -1;
 	}
-	code = kmalloc(codespace * 2, GFP_KERNEL);
+	code = kzalloc(codespace * 2, GFP_KERNEL);
 	if (code == NULL) {
 		printk(KERN_ERR "go7007: unable to allocate %d bytes for "
 				"firmware construction\n", codespace * 2);
 		goto fw_failed;
 	}
-	memset(code, 0, codespace * 2);
 	src = (__le16 *)fw_entry->data;
 	srclen = fw_entry->size / 2;
 	while (srclen >= 2) {
diff --git a/drivers/staging/go7007/go7007-usb.c b/drivers/staging/go7007/go7007-usb.c
index ee278f64a16..20ed930b588 100644
--- a/drivers/staging/go7007/go7007-usb.c
+++ b/drivers/staging/go7007/go7007-usb.c
@@ -670,10 +670,9 @@ static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
 		"go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
 #endif
 
-	tbuf = kmalloc(8, GFP_KERNEL);
+	tbuf = kzalloc(8, GFP_KERNEL);
 	if (tbuf == NULL)
 		return -ENOMEM;
-	memset(tbuf, 0, 8);
 	tbuf[0] = data & 0xff;
 	tbuf[1] = data >> 8;
 	tbuf[2] = addr & 0xff;
diff --git a/drivers/staging/go7007/go7007-v4l2.c b/drivers/staging/go7007/go7007-v4l2.c
index 723c1a64d87..46b4b9f6855 100644
--- a/drivers/staging/go7007/go7007-v4l2.c
+++ b/drivers/staging/go7007/go7007-v4l2.c
@@ -720,7 +720,7 @@ static int vidioc_reqbufs(struct file *file, void *priv,
 		if (count > 32)
 			count = 32;
 
-		gofh->bufs = kmalloc(count * sizeof(struct go7007_buffer),
+		gofh->bufs = kcalloc(count, sizeof(struct go7007_buffer),
 				     GFP_KERNEL);
 
 		if (!gofh->bufs) {
@@ -728,8 +728,6 @@ static int vidioc_reqbufs(struct file *file, void *priv,
 			goto unlock_and_return;
 		}
 
-		memset(gofh->bufs, 0, count * sizeof(struct go7007_buffer));
-
 		for (i = 0; i < count; ++i) {
 			gofh->bufs[i].go = go;
 			gofh->bufs[i].index = i;
diff --git a/drivers/staging/go7007/saa7134-go7007.c b/drivers/staging/go7007/saa7134-go7007.c
index b25d7d2090e..49f0d31c118 100644
--- a/drivers/staging/go7007/saa7134-go7007.c
+++ b/drivers/staging/go7007/saa7134-go7007.c
@@ -440,10 +440,9 @@ static int saa7134_go7007_init(struct saa7134_dev *dev)
 
 	printk(KERN_DEBUG "saa7134-go7007: probing new SAA713X board\n");
 
-	saa = kmalloc(sizeof(struct saa7134_go7007), GFP_KERNEL);
+	saa = kzalloc(sizeof(struct saa7134_go7007), GFP_KERNEL);
 	if (saa == NULL)
 		return -ENOMEM;
-	memset(saa, 0, sizeof(struct saa7134_go7007));
 
 	/* Allocate a couple pages for receiving the compressed stream */
 	saa->top = (u8 *)get_zeroed_page(GFP_KERNEL);
diff --git a/drivers/staging/otus/zdusb.c b/drivers/staging/otus/zdusb.c
index 6509bc565e6..2c799a25029 100644
--- a/drivers/staging/otus/zdusb.c
+++ b/drivers/staging/otus/zdusb.c
@@ -95,7 +95,7 @@ static int zfLnxProbe(struct usb_interface *interface,
         printk(KERN_NOTICE "USB 1.1 Host\n");
 #endif
 
-    macp = kmalloc(sizeof(struct usbdrv_private), GFP_KERNEL);
+    macp = kzalloc(sizeof(struct usbdrv_private), GFP_KERNEL);
     if (!macp)
     {
         printk(KERN_ERR "out of memory allocating device structure\n");
@@ -103,9 +103,6 @@ static int zfLnxProbe(struct usb_interface *interface,
         goto fail;
     }
 
-    /* Zero the memory */
-    memset(macp, 0, sizeof(struct usbdrv_private));
-
     net = alloc_etherdev(0);
 
     if (net == NULL)
diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index f9fcb2fef5a..9ca0e9e2a96 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -1906,12 +1906,11 @@ static struct logical_input *panel_bind_key(char *name, char *press,
 {
 	struct logical_input *key;
 
-	key = kmalloc(sizeof(struct logical_input), GFP_KERNEL);
+	key = kzalloc(sizeof(struct logical_input), GFP_KERNEL);
 	if (!key) {
 		printk(KERN_ERR "panel: not enough memory\n");
 		return NULL;
 	}
-	memset(key, 0, sizeof(struct logical_input));
 	if (!input_name2mask(name, &key->mask, &key->value, &scan_mask_i,
 			     &scan_mask_o))
 		return NULL;
diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
index 6571a6ae05a..9fdf2de347e 100644
--- a/drivers/staging/pohmelfs/config.c
+++ b/drivers/staging/pohmelfs/config.c
@@ -238,11 +238,10 @@ static int pohmelfs_send_reply(int err, int msg_num, int action, struct cn_msg *
 {
 	struct pohmelfs_cn_ack *ack;
 
-	ack = kmalloc(sizeof(struct pohmelfs_cn_ack), GFP_KERNEL);
+	ack = kzalloc(sizeof(struct pohmelfs_cn_ack), GFP_KERNEL);
 	if (!ack)
 		return -ENOMEM;
 
-	memset(ack, 0, sizeof(struct pohmelfs_cn_ack));
 	memcpy(&ack->msg, msg, sizeof(struct cn_msg));
 
 	if (action == POHMELFS_CTLINFO_ACK)
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c
index 4c5d63fd583..c8dbcb92591 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c
@@ -109,11 +109,10 @@ int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops)
 	if (hcrypt == NULL)
 		return -1;
 
-	alg = kmalloc(sizeof(*alg), GFP_KERNEL);
+	alg = kzalloc(sizeof(*alg), GFP_KERNEL);
 	if (alg == NULL)
 		return -ENOMEM;
 
-	memset(alg, 0, sizeof(*alg));
 	alg->ops = ops;
 
 	spin_lock_irqsave(&hcrypt->lock, flags);
@@ -207,11 +206,10 @@ int ieee80211_crypto_init(void)
 {
 	int ret = -ENOMEM;
 
-	hcrypt = kmalloc(sizeof(*hcrypt), GFP_KERNEL);
+	hcrypt = kzalloc(sizeof(*hcrypt), GFP_KERNEL);
 	if (!hcrypt)
 		goto out;
 
-	memset(hcrypt, 0, sizeof(*hcrypt));
 	INIT_LIST_HEAD(&hcrypt->algs);
 	spin_lock_init(&hcrypt->lock);
 
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
index 40f1b99faad..731d2686411 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
@@ -69,10 +69,9 @@ static void * ieee80211_ccmp_init(int key_idx)
 {
 	struct ieee80211_ccmp_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
 	priv->tfm = (void *)crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
index a5254111d9a..ee71ee90fd8 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
@@ -70,10 +70,9 @@ static void * ieee80211_tkip_init(int key_idx)
 {
 	struct ieee80211_tkip_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
 	priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
index c6c3bc38459..f790cd65f10 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
@@ -45,10 +45,9 @@ static void * prism2_wep_init(int keyidx)
 {
 	struct prism2_wep_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = keyidx;
 	priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->tx_tfm)) {
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c
index 18392fce487..9d58a429c56 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c
@@ -66,8 +66,8 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 	if (ieee->networks)
 		return 0;
 
-	ieee->networks = kmalloc(
-		MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
+	ieee->networks = kcalloc(
+		MAX_NETWORK_COUNT, sizeof(struct ieee80211_network),
 		GFP_KERNEL);
 	if (!ieee->networks) {
 		printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
@@ -75,9 +75,6 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 		return -ENOMEM;
 	}
 
-	memset(ieee->networks, 0,
-	       MAX_NETWORK_COUNT * sizeof(struct ieee80211_network));
-
 	return 0;
 }
 
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
index c5b80f9c32c..aa3ba450ece 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
@@ -325,11 +325,10 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
 		struct ieee80211_crypt_data *new_crypt;
 
 		/* take WEP into use */
-		new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data),
+		new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
 				    GFP_KERNEL);
 		if (new_crypt == NULL)
 			return -ENOMEM;
-		memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
 		new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 		if (!new_crypt->ops)
 			new_crypt->ops = ieee80211_get_crypto_ops("WEP");
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c
index b3c9bf4b4ea..d5aa9af3d9f 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c
@@ -109,11 +109,10 @@ int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops)
 	if (hcrypt == NULL)
 		return -1;
 
-	alg = kmalloc(sizeof(*alg), GFP_KERNEL);
+	alg = kzalloc(sizeof(*alg), GFP_KERNEL);
 	if (alg == NULL)
 		return -ENOMEM;
 
-	memset(alg, 0, sizeof(*alg));
 	alg->ops = ops;
 
 	spin_lock_irqsave(&hcrypt->lock, flags);
@@ -207,11 +206,10 @@ int __init ieee80211_crypto_init(void)
 {
 	int ret = -ENOMEM;
 
-	hcrypt = kmalloc(sizeof(*hcrypt), GFP_KERNEL);
+	hcrypt = kzalloc(sizeof(*hcrypt), GFP_KERNEL);
 	if (!hcrypt)
 		goto out;
 
-	memset(hcrypt, 0, sizeof(*hcrypt));
 	INIT_LIST_HEAD(&hcrypt->algs);
 	spin_lock_init(&hcrypt->lock);
 
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c
index 1776f7e69bf..7165c4c75c7 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c
@@ -96,10 +96,9 @@ static void * ieee80211_ccmp_init(int key_idx)
 {
 	struct ieee80211_ccmp_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
 #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c
index 03cb21eb065..65f48896bfa 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c
@@ -87,10 +87,9 @@ static void * ieee80211_tkip_init(int key_idx)
 {
 	struct ieee80211_tkip_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
 	priv->tx_tfm_arc4 = crypto_alloc_tfm("arc4", 0);
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c
index 5678313e30a..c4bbc8ddbad 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c
@@ -71,10 +71,9 @@ static void * prism2_wep_init(int keyidx)
 {
 	struct prism2_wep_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = keyidx;
 
 #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c
index c7aa1c63cb1..614a8b630e6 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c
@@ -65,8 +65,8 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 	if (ieee->networks)
 		return 0;
 
-	ieee->networks = kmalloc(
-		MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
+	ieee->networks = kcalloc(
+		MAX_NETWORK_COUNT, sizeof(struct ieee80211_network),
 		GFP_KERNEL);
 	if (!ieee->networks) {
 		printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
@@ -74,9 +74,6 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 		return -ENOMEM;
 	}
 
-	memset(ieee->networks, 0,
-	       MAX_NETWORK_COUNT * sizeof(struct ieee80211_network));
-
 	return 0;
 }
 
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
index 4f6ce06b606..215542a00ef 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
@@ -3079,10 +3079,9 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 	  ieee->seq_ctrl[i] = 0;
 	}
 #ifdef ENABLE_DOT11D
-	ieee->pDot11dInfo = kmalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
+	ieee->pDot11dInfo = kzalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
 	if (!ieee->pDot11dInfo)
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for DOT11D\n");
-	memset(ieee->pDot11dInfo, 0, sizeof(RT_DOT11D_INFO));
 #endif
 	//added for  AP roaming
 	ieee->LinkDetectInfo.SlotNum = 2;
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
index de57967b968..fcabaf3c88d 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
@@ -477,11 +477,10 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
 		struct ieee80211_crypt_data *new_crypt;
 
 		/* take WEP into use */
-		new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data),
+		new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
 				    GFP_KERNEL);
 		if (new_crypt == NULL)
 			return -ENOMEM;
-		memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
 		new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 		if (!new_crypt->ops)
 			new_crypt->ops = ieee80211_get_crypto_ops("WEP");
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
index c4640e63196..80194233943 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
@@ -109,11 +109,10 @@ int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops)
 	if (hcrypt == NULL)
 		return -1;
 
-	alg = kmalloc(sizeof(*alg), GFP_KERNEL);
+	alg = kzalloc(sizeof(*alg), GFP_KERNEL);
 	if (alg == NULL)
 		return -ENOMEM;
 
-	memset(alg, 0, sizeof(*alg));
 	alg->ops = ops;
 
 	spin_lock_irqsave(&hcrypt->lock, flags);
@@ -206,11 +205,10 @@ int __init ieee80211_crypto_init(void)
 {
 	int ret = -ENOMEM;
 
-	hcrypt = kmalloc(sizeof(*hcrypt), GFP_KERNEL);
+	hcrypt = kzalloc(sizeof(*hcrypt), GFP_KERNEL);
 	if (!hcrypt)
 		goto out;
 
-	memset(hcrypt, 0, sizeof(*hcrypt));
 	INIT_LIST_HEAD(&hcrypt->algs);
 	spin_lock_init(&hcrypt->lock);
 
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
index 8a93f7d3eb3..77de957f1b1 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
@@ -68,10 +68,9 @@ static void * ieee80211_ccmp_init(int key_idx)
 {
 	struct ieee80211_ccmp_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
 	priv->tfm = (void *)crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
index 7e48748da10..ade5f6f1366 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
@@ -67,10 +67,9 @@ static void * ieee80211_tkip_init(int key_idx)
 {
 	struct ieee80211_tkip_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
 	priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c
index 64f9cf01c94..a1c0a59122b 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c
@@ -43,10 +43,9 @@ static void * prism2_wep_init(int keyidx)
 {
 	struct prism2_wep_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = keyidx;
 
 	priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
index 73de3baf915..a87650a517b 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
@@ -65,8 +65,8 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 	if (ieee->networks)
 		return 0;
 
-	ieee->networks = kmalloc(
-		MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
+	ieee->networks = kcalloc(
+		MAX_NETWORK_COUNT, sizeof(struct ieee80211_network),
 		GFP_KERNEL);
 	if (!ieee->networks) {
 		printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
@@ -74,9 +74,6 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 		return -ENOMEM;
 	}
 
-	memset(ieee->networks, 0,
-	       MAX_NETWORK_COUNT * sizeof(struct ieee80211_network));
-
 	return 0;
 }
 
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
index 660aee2874a..b9fa15fccb7 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
@@ -2699,10 +2699,9 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 	for(i = 0; i < 5; i++) {
 	  ieee->seq_ctrl[i] = 0;
 	}
-	ieee->pDot11dInfo = kmalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
+	ieee->pDot11dInfo = kzalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
 	if (!ieee->pDot11dInfo)
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for DOT11D\n");
-	memset(ieee->pDot11dInfo, 0, sizeof(RT_DOT11D_INFO));
 	//added for  AP roaming
 	ieee->LinkDetectInfo.SlotNum = 2;
 	ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
index 727cc552c5e..db54ad096da 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
@@ -352,11 +352,10 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
 		struct ieee80211_crypt_data *new_crypt;
 
 		/* take WEP into use */
-		new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data),
+		new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
 				    GFP_KERNEL);
 		if (new_crypt == NULL)
 			return -ENOMEM;
-		memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
 		new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 		if (!new_crypt->ops)
 			new_crypt->ops = ieee80211_get_crypto_ops("WEP");
diff --git a/drivers/staging/rtl8192u/ieee80211/api.c b/drivers/staging/rtl8192u/ieee80211/api.c
index c627d029528..5f46e50e586 100644
--- a/drivers/staging/rtl8192u/ieee80211/api.c
+++ b/drivers/staging/rtl8192u/ieee80211/api.c
@@ -131,12 +131,10 @@ struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
 	if (alg == NULL)
 		goto out;
 
-	tfm = kmalloc(sizeof(*tfm) + alg->cra_ctxsize, GFP_KERNEL);
+	tfm = kzalloc(sizeof(*tfm) + alg->cra_ctxsize, GFP_KERNEL);
 	if (tfm == NULL)
 		goto out_put;
 
-	memset(tfm, 0, sizeof(*tfm) + alg->cra_ctxsize);
-
 	tfm->__crt_alg = alg;
 
 	if (crypto_init_flags(tfm, flags))
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c
index 521e7b98993..8707eba4f90 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c
@@ -109,11 +109,10 @@ int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops)
 	if (hcrypt == NULL)
 		return -1;
 
-	alg = kmalloc(sizeof(*alg), GFP_KERNEL);
+	alg = kzalloc(sizeof(*alg), GFP_KERNEL);
 	if (alg == NULL)
 		return -ENOMEM;
 
-	memset(alg, 0, sizeof(*alg));
 	alg->ops = ops;
 
 	spin_lock_irqsave(&hcrypt->lock, flags);
@@ -206,11 +205,10 @@ int __init ieee80211_crypto_init(void)
 {
 	int ret = -ENOMEM;
 
-	hcrypt = kmalloc(sizeof(*hcrypt), GFP_KERNEL);
+	hcrypt = kzalloc(sizeof(*hcrypt), GFP_KERNEL);
 	if (!hcrypt)
 		goto out;
 
-	memset(hcrypt, 0, sizeof(*hcrypt));
 	INIT_LIST_HEAD(&hcrypt->algs);
 	spin_lock_init(&hcrypt->lock);
 
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
index 0b57632bcff..4b078e53638 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
@@ -68,10 +68,9 @@ static void * ieee80211_ccmp_init(int key_idx)
 {
 	struct ieee80211_ccmp_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
        priv->tfm = (void*)crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
index 9510507d8d0..a98584c845b 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
@@ -67,10 +67,9 @@ static void * ieee80211_tkip_init(int key_idx)
 {
 	struct ieee80211_tkip_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
 	priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
index 61ad11cae38..96c2c9d67fd 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
@@ -43,10 +43,9 @@ static void * prism2_wep_init(int keyidx)
 {
 	struct prism2_wep_data *priv;
 
-	priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+	priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
 	if (priv == NULL)
 		goto fail;
-	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = keyidx;
 
 	priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
index 1111002bad9..7455264aa54 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
@@ -65,8 +65,8 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 	if (ieee->networks)
 		return 0;
 
-	ieee->networks = kmalloc(
-		MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
+	ieee->networks = kcalloc(
+		MAX_NETWORK_COUNT, sizeof(struct ieee80211_network),
 		GFP_KERNEL);
 	if (!ieee->networks) {
 		printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
@@ -74,9 +74,6 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 		return -ENOMEM;
 	}
 
-	memset(ieee->networks, 0,
-	       MAX_NETWORK_COUNT * sizeof(struct ieee80211_network));
-
 	return 0;
 }
 
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index 6c6bf9f6e78..a6955e2b45c 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -2723,10 +2723,9 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 	  ieee->seq_ctrl[i] = 0;
 	}
 #ifdef ENABLE_DOT11D
-	ieee->pDot11dInfo = kmalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
+	ieee->pDot11dInfo = kzalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
 	if (!ieee->pDot11dInfo)
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for DOT11D\n");
-	memset(ieee->pDot11dInfo, 0, sizeof(RT_DOT11D_INFO));
 #endif
 	//added for  AP roaming
 	ieee->LinkDetectInfo.SlotNum = 2;
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
index 4d5348e6c10..79b180f79e8 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
@@ -379,11 +379,10 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
 		struct ieee80211_crypt_data *new_crypt;
 
 		/* take WEP into use */
-		new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data),
+		new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
 				    GFP_KERNEL);
 		if (new_crypt == NULL)
 			return -ENOMEM;
-		memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
 		new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 		if (!new_crypt->ops) {
 			request_module("ieee80211_crypt_wep");
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index cbbc7d32fcf..2bede271a2f 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -2251,13 +2251,11 @@ short rtl8192_usb_initendpoints(struct net_device *dev)
 #endif
 
 	memset(priv->rx_urb, 0, sizeof(struct urb*) * MAX_RX_URB);
-	priv->pp_rxskb = kmalloc(sizeof(struct sk_buff *) * MAX_RX_URB,
+	priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
 				 GFP_KERNEL);
 	if (priv->pp_rxskb == NULL)
 		goto destroy;
 
-	memset(priv->pp_rxskb, 0, sizeof(struct sk_buff*) * MAX_RX_URB);
-
 	goto _middle;
 
 
diff --git a/drivers/staging/sm7xx/smtcfb.c b/drivers/staging/sm7xx/smtcfb.c
index e817a20d1bd..9ffeb36ddde 100644
--- a/drivers/staging/sm7xx/smtcfb.c
+++ b/drivers/staging/sm7xx/smtcfb.c
@@ -688,13 +688,11 @@ static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *dev,
 {
 	struct smtcfb_info *sfb;
 
-	sfb = kmalloc(sizeof(struct smtcfb_info), GFP_KERNEL);
+	sfb = kzalloc(sizeof(struct smtcfb_info), GFP_KERNEL);
 
 	if (!sfb)
 		return NULL;
 
-	memset(sfb, 0, sizeof(struct smtcfb_info));
-
 	sfb->currcon = -1;
 	sfb->dev = dev;
 
diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
index c35dead64a3..0c82eb47a28 100644
--- a/drivers/staging/vme/bridges/vme_ca91cx42.c
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.c
@@ -1494,7 +1494,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* We want to support more than one of each bridge so we need to
 	 * dynamically allocate the bridge structure
 	 */
-	ca91cx42_bridge = kmalloc(sizeof(struct vme_bridge), GFP_KERNEL);
+	ca91cx42_bridge = kzalloc(sizeof(struct vme_bridge), GFP_KERNEL);
 
 	if (ca91cx42_bridge == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for device "
@@ -1503,9 +1503,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_struct;
 	}
 
-	memset(ca91cx42_bridge, 0, sizeof(struct vme_bridge));
-
-	ca91cx42_device = kmalloc(sizeof(struct ca91cx42_driver), GFP_KERNEL);
+	ca91cx42_device = kzalloc(sizeof(struct ca91cx42_driver), GFP_KERNEL);
 
 	if (ca91cx42_device == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for device "
@@ -1514,8 +1512,6 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_driver;
 	}
 
-	memset(ca91cx42_device, 0, sizeof(struct ca91cx42_driver));
-
 	ca91cx42_bridge->driver_priv = ca91cx42_device;
 
 	/* Enable the device */
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c
index 7539cce6e2a..cf8cf37a82c 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.c
+++ b/drivers/staging/vme/bridges/vme_tsi148.c
@@ -2230,7 +2230,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* If we want to support more than one of each bridge, we need to
 	 * dynamically generate this so we get one per device
 	 */
-	tsi148_bridge = kmalloc(sizeof(struct vme_bridge), GFP_KERNEL);
+	tsi148_bridge = kzalloc(sizeof(struct vme_bridge), GFP_KERNEL);
 	if (tsi148_bridge == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for device "
 			"structure\n");
@@ -2238,9 +2238,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_struct;
 	}
 
-	memset(tsi148_bridge, 0, sizeof(struct vme_bridge));
-
-	tsi148_device = kmalloc(sizeof(struct tsi148_driver), GFP_KERNEL);
+	tsi148_device = kzalloc(sizeof(struct tsi148_driver), GFP_KERNEL);
 	if (tsi148_device == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for device "
 			"structure\n");
@@ -2248,8 +2246,6 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_driver;
 	}
 
-	memset(tsi148_device, 0, sizeof(struct tsi148_driver));
-
 	tsi148_bridge->driver_priv = tsi148_device;
 
 	/* Enable the device */
diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
index fb7775c5233..195cc36654a 100644
--- a/drivers/staging/vt6655/hostap.c
+++ b/drivers/staging/vt6655/hostap.c
@@ -90,10 +90,9 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
 
-	pDevice->apdev = kmalloc(sizeof(struct net_device), GFP_KERNEL);
+	pDevice->apdev = kzalloc(sizeof(struct net_device), GFP_KERNEL);
 	if (pDevice->apdev == NULL)
 		return -ENOMEM;
-	memset(pDevice->apdev, 0, sizeof(struct net_device));
 
     apdev_priv = netdev_priv(pDevice->apdev);
     *apdev_priv = *pDevice;
diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c
index e5e618eb6bb..9f215dfa86e 100644
--- a/drivers/staging/vt6655/wpactl.c
+++ b/drivers/staging/vt6655/wpactl.c
@@ -681,13 +681,12 @@ static int wpa_get_scan(PSDevice pDevice,
         count++;
     };
 
-    pBuf = kmalloc(sizeof(struct viawget_scan_result) * count, (int)GFP_ATOMIC);
+    pBuf = kcalloc(count, sizeof(struct viawget_scan_result), (int)GFP_ATOMIC);
 
     if (pBuf == NULL) {
         ret = -ENOMEM;
         return ret;
     }
-   	memset(pBuf, 0, sizeof(struct viawget_scan_result) * count);
     scan_buf = (struct viawget_scan_result *)pBuf;
 	pBSS = &(pMgmt->sBSSList[0]);
     for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
index 44386316b21..93e52a3ebd8 100644
--- a/drivers/staging/vt6656/hostap.c
+++ b/drivers/staging/vt6656/hostap.c
@@ -91,10 +91,9 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
 
-	pDevice->apdev = kmalloc(sizeof(struct net_device), GFP_KERNEL);
+	pDevice->apdev = kzalloc(sizeof(struct net_device), GFP_KERNEL);
 	if (pDevice->apdev == NULL)
 		return -ENOMEM;
-	memset(pDevice->apdev, 0, sizeof(struct net_device));
 
     apdev_priv = netdev_priv(pDevice->apdev);
     *apdev_priv = *pDevice;
diff --git a/drivers/staging/vt6656/wpactl.c b/drivers/staging/vt6656/wpactl.c
index 8f7ad2c4308..961f583368a 100644
--- a/drivers/staging/vt6656/wpactl.c
+++ b/drivers/staging/vt6656/wpactl.c
@@ -678,13 +678,12 @@ static int wpa_get_scan(PSDevice pDevice,
         count++;
     };
 
-    pBuf = kmalloc(sizeof(struct viawget_scan_result) * count, (int)GFP_ATOMIC);
+    pBuf = kcalloc(count, sizeof(struct viawget_scan_result), (int)GFP_ATOMIC);
 
     if (pBuf == NULL) {
         ret = -ENOMEM;
         return ret;
     }
-   	memset(pBuf, 0, sizeof(struct viawget_scan_result) * count);
     scan_buf = (struct viawget_scan_result *)pBuf;
 	pBSS = &(pMgmt->sBSSList[0]);
     for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
diff --git a/drivers/staging/wlan-ng/p80211conv.c b/drivers/staging/wlan-ng/p80211conv.c
index 71c3595fe83..059e15055b7 100644
--- a/drivers/staging/wlan-ng/p80211conv.c
+++ b/drivers/staging/wlan-ng/p80211conv.c
@@ -601,7 +601,7 @@ int p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
 	}
 
 	/* Allocate the rxmeta */
-	rxmeta = kmalloc(sizeof(p80211_rxmeta_t), GFP_ATOMIC);
+	rxmeta = kzalloc(sizeof(p80211_rxmeta_t), GFP_ATOMIC);
 
 	if (rxmeta == NULL) {
 		printk(KERN_ERR "%s: Failed to allocate rxmeta.\n",
@@ -611,7 +611,6 @@ int p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
 	}
 
 	/* Initialize the rxmeta */
-	memset(rxmeta, 0, sizeof(p80211_rxmeta_t));
 	rxmeta->wlandev = wlandev;
 	rxmeta->hosttime = jiffies;
 
diff --git a/drivers/staging/wlan-ng/prism2fw.c b/drivers/staging/wlan-ng/prism2fw.c
index fc2d8f40edd..d20c8797bcc 100644
--- a/drivers/staging/wlan-ng/prism2fw.c
+++ b/drivers/staging/wlan-ng/prism2fw.c
@@ -536,13 +536,12 @@ int mkimage(imgchunk_t *clist, unsigned int *ccnt)
 
 	/* Allocate buffer space for chunks */
 	for (i = 0; i < *ccnt; i++) {
-		clist[i].data = kmalloc(clist[i].len, GFP_KERNEL);
+		clist[i].data = kzalloc(clist[i].len, GFP_KERNEL);
 		if (clist[i].data == NULL) {
 			printk(KERN_ERR
 			       "failed to allocate image space, exitting.\n");
 			return 1;
 		}
-		memset(clist[i].data, 0, clist[i].len);
 		pr_debug("chunk[%d]: addr=0x%06x len=%d\n",
 			 i, clist[i].addr, clist[i].len);
 	}

From 1eaa4787a774c4896518c81f24e8bccaa2244924 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 14 May 2010 10:19:13 -0400
Subject: [PATCH 1463/3638] tracing: Comment the use of event_mutex with trace
 event flags

The flags variable is protected by the event_mutex when modifying,
but the event_mutex is not held when reading the variable.

This is due to the fact that the reads occur in critical sections where
taking a mutex (or even a spinlock) is not wanted.

But the two flags that exist (enable and filter_active) have the code
written as such to handle the reads to not need a lock.

The enable flag is used just to know if the event is enabled or not
and its use is always under the event_mutex. Whether or not the event
is actually enabled is really determined by the tracepoint being
registered. The flag is just a way to let the code know if the tracepoint
is registered.

The filter_active is different. It is read without the lock. If it
is set, then the event probes jump to the filter code. There can be a
slight mismatch between filters available and filter_active. If the flag is
set but no filters are available, the code safely jumps to a filter nop.
If the flag is not set and the filters are available, then the filters
are skipped. This is acceptable since filters are usually set before
tracing or they are set by humans, which would not notice the slight
delay that this causes.

v2: Fixed typo: "cacheing" -> "caching"

Reported-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 5ac97a42950..dc7fc646fa2 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -169,7 +169,14 @@ struct ftrace_event_call {
 	 *   bit 1:		enabled
 	 *   bit 2:		filter_active
 	 *
-	 *  Must hold event_mutex to change.
+	 * Changes to flags must hold the event_mutex.
+	 *
+	 * Note: Reads of flags do not hold the event_mutex since
+	 * they occur in critical sections. But the way flags
+	 * is currently used, these changes do no affect the code
+	 * except that when a change is made, it may have a slight
+	 * delay in propagating the changes to other CPUs due to
+	 * caching and such.
 	 */
 	unsigned int		flags;
 

From b684b2ee9409f2890a8b3aea98525bbe5f84e276 Mon Sep 17 00:00:00 2001
From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Sat, 15 May 2010 00:00:00 -0400
Subject: [PATCH 1464/3638] ext4: allow defrag (EXT4_IOC_MOVE_EXT) in 32bit
 compat mode

I have an x86_64 kernel with i386 userspace. e4defrag fails on the
EXT4_IOC_MOVE_EXT ioctl because it is not wired up for the compat
case. It seems that struct move_extent is compat save, only types
with fixed widths are used:
{
        __u32 reserved;         /* should be zero */
        __u32 donor_fd;         /* donor file descriptor */
        __u64 orig_start;       /* logical start offset in block for orig */
        __u64 donor_start;      /* logical start offset in block for donor */
        __u64 len;              /* block length to be moved */
        __u64 moved_len;        /* moved block length */
};

Lets just wire up EXT4_IOC_MOVE_EXT for the compat case.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
CC: Akira Fujita <a-fujita@rs.jp.nec.com>
---
 fs/ext4/ioctl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 016d0249294..66fa0b030e3 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -375,6 +375,8 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		break;
 	case EXT4_IOC_GROUP_ADD:
 		break;
+	case EXT4_IOC_MOVE_EXT:
+		break;
 	default:
 		return -ENOIOCTLCMD;
 	}

From d80f2666b5373f195deae57c9f33a5abb8053d37 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 23:23:31 +0200
Subject: [PATCH 1465/3638] drivers/mtd: Use kmemdup

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdconcat.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index db6de74082a..7e075621bbf 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -183,10 +183,9 @@ concat_writev(struct mtd_info *mtd, const struct kvec *vecs,
 	}
 
 	/* make a copy of vecs */
-	vecs_copy = kmalloc(sizeof(struct kvec) * count, GFP_KERNEL);
+	vecs_copy = kmemdup(vecs, sizeof(struct kvec) * count, GFP_KERNEL);
 	if (!vecs_copy)
 		return -ENOMEM;
-	memcpy(vecs_copy, vecs, sizeof(struct kvec) * count);
 
 	entry_low = 0;
 	for (i = 0; i < concat->num_subdev; i++) {

From 35121c9860316d7799cea0fbc359a9186e7c2747 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Sun, 16 May 2010 00:00:00 -0400
Subject: [PATCH 1466/3638] ext4: fix quota accounting in case of fallocate

allocated_meta_data is already included in 'used' variable.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 81d60541284..55bfcd94d1a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1126,7 +1126,8 @@ void ext4_da_update_reserve_space(struct inode *inode,
 		 */
 		if (allocated_meta_blocks)
 			dquot_claim_block(inode, allocated_meta_blocks);
-		dquot_release_reservation_block(inode, mdb_free + used);
+		dquot_release_reservation_block(inode, mdb_free + used -
+						allocated_meta_blocks);
 	}
 
 	/*

From 42007efd569f1cf3bfb9a61da60ef6c2179508ca Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sun, 16 May 2010 01:00:00 -0400
Subject: [PATCH 1467/3638] ext4: check s_log_groups_per_flex in online resize
 code

If groups_per_flex < 2, sbi->s_flex_groups[] doesn't get filled out,
and every other access to this first tests s_log_groups_per_flex;
same thing needs to happen in resize or we'll wander off into
a null pointer when doing an online resize of the file system.

Thanks to Christoph Biedl, who came up with the trivial testcase:

# truncate --size 128M fsfile
# mkfs.ext3 -F fsfile
# tune2fs -O extents,uninit_bg,dir_index,flex_bg,huge_file,dir_nlink,extra_isize fsfile
# e2fsck -yDf -C0 fsfile
# truncate --size 132M fsfile
# losetup /dev/loop0 fsfile
# mount /dev/loop0 mnt
# resize2fs -p /dev/loop0

	https://bugzilla.kernel.org/show_bug.cgi?id=13549

Reported-by: Alessandro Polverini <alex@nibbles.it>
Test-case-by: Christoph Biedl  <bugzilla.kernel.bpeb@manchmal.in-ulm.de>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/resize.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 5692c48754a..6df797eb9ae 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -911,7 +911,8 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
 	percpu_counter_add(&sbi->s_freeinodes_counter,
 			   EXT4_INODES_PER_GROUP(sb));
 
-	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
+	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG) &&
+	    sbi->s_log_groups_per_flex) {
 		ext4_group_t flex_group;
 		flex_group = ext4_flex_group(sbi, input->group);
 		atomic_add(input->free_blocks_count,

From 256a453546f1cf2c29a639c79fe0d603761a8e25 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Sun, 16 May 2010 02:00:00 -0400
Subject: [PATCH 1468/3638] ext4: symlink must be handled via filesystem
 specific operation

generic setattr implementation is no longer responsible for
quota transfer so synlinks must be handled via ext4_setattr.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/symlink.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c
index 00740cb32be..ed9354aff27 100644
--- a/fs/ext4/symlink.c
+++ b/fs/ext4/symlink.c
@@ -34,6 +34,7 @@ const struct inode_operations ext4_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= page_follow_link_light,
 	.put_link	= page_put_link,
+	.setattr	= ext4_setattr,
 #ifdef CONFIG_EXT4_FS_XATTR
 	.setxattr	= generic_setxattr,
 	.getxattr	= generic_getxattr,
@@ -45,6 +46,7 @@ const struct inode_operations ext4_symlink_inode_operations = {
 const struct inode_operations ext4_fast_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= ext4_follow_link,
+	.setattr	= ext4_setattr,
 #ifdef CONFIG_EXT4_FS_XATTR
 	.setxattr	= generic_setxattr,
 	.getxattr	= generic_getxattr,

From 6b0310fbf087ad6e9e3b8392adca97cd77184084 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sun, 16 May 2010 02:00:00 -0400
Subject: [PATCH 1469/3638] ext4: don't return to userspace after freezing the
 fs with a mutex held

ext4_freeze() used jbd2_journal_lock_updates() which takes
the j_barrier mutex, and then returns to userspace.  The
kernel does not like this:

================================================
[ BUG: lock held when returning to user space! ]
------------------------------------------------
lvcreate/1075 is leaving the kernel with locks still held!
1 lock held by lvcreate/1075:
 #0:  (&journal->j_barrier){+.+...}, at: [<ffffffff811c6214>]
jbd2_journal_lock_updates+0xe1/0xf0

Use vfs_check_frozen() added to ext4_journal_start_sb() and
ext4_force_commit() instead.

Addresses-Red-Hat-Bugzilla: #568503

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/super.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e14d22c170d..00d09f58f18 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -241,6 +241,7 @@ handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks)
 	if (sb->s_flags & MS_RDONLY)
 		return ERR_PTR(-EROFS);
 
+	vfs_check_frozen(sb, SB_FREEZE_WRITE);
 	/* Special case here: if the journal has aborted behind our
 	 * backs (eg. EIO in the commit thread), then we still need to
 	 * take the FS itself readonly cleanly. */
@@ -3485,8 +3486,10 @@ int ext4_force_commit(struct super_block *sb)
 		return 0;
 
 	journal = EXT4_SB(sb)->s_journal;
-	if (journal)
+	if (journal) {
+		vfs_check_frozen(sb, SB_FREEZE_WRITE);
 		ret = ext4_journal_force_commit(journal);
+	}
 
 	return ret;
 }
@@ -3535,18 +3538,16 @@ static int ext4_freeze(struct super_block *sb)
 	 * the journal.
 	 */
 	error = jbd2_journal_flush(journal);
-	if (error < 0) {
-	out:
-		jbd2_journal_unlock_updates(journal);
-		return error;
-	}
+	if (error < 0)
+		goto out;
 
 	/* Journal blocked and flushed, clear needs_recovery flag. */
 	EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
 	error = ext4_commit_super(sb, 1);
-	if (error)
-		goto out;
-	return 0;
+out:
+	/* we rely on s_frozen to stop further updates */
+	jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal);
+	return error;
 }
 
 /*
@@ -3563,7 +3564,6 @@ static int ext4_unfreeze(struct super_block *sb)
 	EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
 	ext4_commit_super(sb, 1);
 	unlock_super(sb);
-	jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal);
 	return 0;
 }
 

From a30eec2a8650a77f754e84b2e15f062fe652baa7 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sun, 16 May 2010 03:00:00 -0400
Subject: [PATCH 1470/3638] ext4: stop issuing discards if not supported by
 device

Turn off issuance of discard requests if the device does
not support it - similar to the action we take for barriers.
This will save a little computation time if a non-discardable
device is mounted with -o discard, and also makes it obvious
that it's not doing what was asked at mount time ...

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 8639d5a637b..4f2d3a9d4e2 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2534,6 +2534,7 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn)
 			 entry->count, entry->group, entry);
 
 		if (test_opt(sb, DISCARD)) {
+			int ret;
 			ext4_fsblk_t discard_block;
 
 			discard_block = entry->start_blk +
@@ -2541,7 +2542,12 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn)
 			trace_ext4_discard_blocks(sb,
 					(unsigned long long)discard_block,
 					entry->count);
-			sb_issue_discard(sb, discard_block, entry->count);
+			ret = sb_issue_discard(sb, discard_block, entry->count);
+			if (ret == EOPNOTSUPP) {
+				ext4_warning(sb,
+					"discard not supported, disabling");
+				clear_opt(EXT4_SB(sb)->s_mount_opt, DISCARD);
+			}
 		}
 
 		err = ext4_mb_load_buddy(sb, entry->group, &e4b);

From c445e3e0a5c2804524dec6e55f66d63f6bc5bc3e Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sun, 16 May 2010 04:00:00 -0400
Subject: [PATCH 1471/3638] ext4: don't scan/accumulate more pages than mballoc
 will allocate

There was a bug reported on RHEL5 that a 10G dd on a 12G box
had a very, very slow sync after that.

At issue was the loop in write_cache_pages scanning all the way
to the end of the 10G file, even though the subsequent call
to mpage_da_submit_io would only actually write a smallish amt; then
we went back to the write_cache_pages loop ... wasting tons of time
in calling __mpage_da_writepage for thousands of pages we would
just revisit (many times) later.

Upstream it's not such a big issue for sys_sync because we get
to the loop with a much smaller nr_to_write, which limits the loop.

However, talking with Aneesh he realized that fsync upstream still
gets here with a very large nr_to_write and we face the same problem.

This patch makes mpage_add_bh_to_extent stop the loop after we've
accumulated 2048 pages, by setting mpd->io_done = 1; which ultimately
causes the write_cache_pages loop to break.

Repeating the test with a dirty_ratio of 80 (to leave something for
fsync to do), I don't see huge IO performance gains, but the reduction
in cpu usage is striking: 80% usage with stock, and 2% with the
below patch.  Instrumenting the loop in write_cache_pages clearly
shows that we are wasting time here.

Eventually we need to change mpage_da_map_pages() also submit its I/O
to the block layer, subsuming mpage_da_submit_io(), and then change it
call ext4_get_blocks() multiple times.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/inode.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 55bfcd94d1a..89a31e8869c 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2350,6 +2350,15 @@ static void mpage_add_bh_to_extent(struct mpage_da_data *mpd,
 	sector_t next;
 	int nrblocks = mpd->b_size >> mpd->inode->i_blkbits;
 
+	/*
+	 * XXX Don't go larger than mballoc is willing to allocate
+	 * This is a stopgap solution.  We eventually need to fold
+	 * mpage_da_submit_io() into this function and then call
+	 * ext4_get_blocks() multiple times in a loop
+	 */
+	if (nrblocks >= 8*1024*1024/mpd->inode->i_sb->s_blocksize)
+		goto flush_it;
+
 	/* check if thereserved journal credits might overflow */
 	if (!(EXT4_I(mpd->inode)->i_flags & EXT4_EXTENTS_FL)) {
 		if (nrblocks >= EXT4_MAX_TRANS_DATA) {

From c35a56a090eacefca07afeb994029b57d8dd8025 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 16 May 2010 05:00:00 -0400
Subject: [PATCH 1472/3638] jbd2: Improve scalability by not taking
 j_state_lock in jbd2_journal_stop()

One of the most contended locks in the jbd2 layer is j_state_lock when
running dbench.  This is especially true if using the real-time kernel
with its "sleeping spinlocks" patch that replaces spinlocks with
priority inheriting mutexes --- but it also shows up on large SMP
benchmarks.

Thanks to John Stultz for pointing this out.

Reviewed by Mingming Cao and Jan Kara.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/jbd2/transaction.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index bfc70f57900..e214d68620a 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1311,7 +1311,6 @@ int jbd2_journal_stop(handle_t *handle)
 	if (handle->h_sync)
 		transaction->t_synchronous_commit = 1;
 	current->journal_info = NULL;
-	spin_lock(&journal->j_state_lock);
 	spin_lock(&transaction->t_handle_lock);
 	transaction->t_outstanding_credits -= handle->h_buffer_credits;
 	transaction->t_updates--;
@@ -1340,8 +1339,7 @@ int jbd2_journal_stop(handle_t *handle)
 		jbd_debug(2, "transaction too old, requesting commit for "
 					"handle %p\n", handle);
 		/* This is non-blocking */
-		__jbd2_log_start_commit(journal, transaction->t_tid);
-		spin_unlock(&journal->j_state_lock);
+		jbd2_log_start_commit(journal, transaction->t_tid);
 
 		/*
 		 * Special case: JBD2_SYNC synchronous updates require us
@@ -1351,7 +1349,6 @@ int jbd2_journal_stop(handle_t *handle)
 			err = jbd2_log_wait_commit(journal, tid);
 	} else {
 		spin_unlock(&transaction->t_handle_lock);
-		spin_unlock(&journal->j_state_lock);
 	}
 
 	lock_map_release(&handle->h_lockdep_map);

From 21ca087a3891efab4d45488db8febee474d26c68 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Sun, 16 May 2010 06:00:00 -0400
Subject: [PATCH 1473/3638] ext4: Do not zero out uninitialized extents beyond
 i_size

The extents code will sometimes zero out blocks and mark them as
initialized instead of splitting an extent into several smaller ones.
This optimization however, causes problems if the extent is beyond
i_size because fsck will complain if there are uninitialized blocks
after i_size as this can not be distinguished from an inode that has
an incorrect i_size field.

https://bugzilla.kernel.org/show_bug.cgi?id=15742

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/extents.c | 67 ++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 51 insertions(+), 16 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 228eeaf2dcc..ee611daf074 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2631,11 +2631,21 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	struct ext4_extent *ex2 = NULL;
 	struct ext4_extent *ex3 = NULL;
 	struct ext4_extent_header *eh;
-	ext4_lblk_t ee_block;
+	ext4_lblk_t ee_block, eof_block;
 	unsigned int allocated, ee_len, depth;
 	ext4_fsblk_t newblock;
 	int err = 0;
 	int ret = 0;
+	int may_zeroout;
+
+	ext_debug("ext4_ext_convert_to_initialized: inode %lu, logical"
+		"block %llu, max_blocks %u\n", inode->i_ino,
+		(unsigned long long)iblock, max_blocks);
+
+	eof_block = (inode->i_size + inode->i_sb->s_blocksize - 1) >>
+		inode->i_sb->s_blocksize_bits;
+	if (eof_block < iblock + max_blocks)
+		eof_block = iblock + max_blocks;
 
 	depth = ext_depth(inode);
 	eh = path[depth].p_hdr;
@@ -2644,16 +2654,23 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	ee_len = ext4_ext_get_actual_len(ex);
 	allocated = ee_len - (iblock - ee_block);
 	newblock = iblock - ee_block + ext_pblock(ex);
+
 	ex2 = ex;
 	orig_ex.ee_block = ex->ee_block;
 	orig_ex.ee_len   = cpu_to_le16(ee_len);
 	ext4_ext_store_pblock(&orig_ex, ext_pblock(ex));
 
+	/*
+	 * It is safe to convert extent to initialized via explicit
+	 * zeroout only if extent is fully insde i_size or new_size.
+	 */
+	may_zeroout = ee_block + ee_len <= eof_block;
+
 	err = ext4_ext_get_access(handle, inode, path + depth);
 	if (err)
 		goto out;
 	/* If extent has less than 2*EXT4_EXT_ZERO_LEN zerout directly */
-	if (ee_len <= 2*EXT4_EXT_ZERO_LEN) {
+	if (ee_len <= 2*EXT4_EXT_ZERO_LEN && may_zeroout) {
 		err =  ext4_ext_zeroout(inode, &orig_ex);
 		if (err)
 			goto fix_extent_len;
@@ -2684,7 +2701,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	if (allocated > max_blocks) {
 		unsigned int newdepth;
 		/* If extent has less than EXT4_EXT_ZERO_LEN zerout directly */
-		if (allocated <= EXT4_EXT_ZERO_LEN) {
+		if (allocated <= EXT4_EXT_ZERO_LEN && may_zeroout) {
 			/*
 			 * iblock == ee_block is handled by the zerouout
 			 * at the beginning.
@@ -2760,7 +2777,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 		ex3->ee_len = cpu_to_le16(allocated - max_blocks);
 		ext4_ext_mark_uninitialized(ex3);
 		err = ext4_ext_insert_extent(handle, inode, path, ex3, 0);
-		if (err == -ENOSPC) {
+		if (err == -ENOSPC && may_zeroout) {
 			err =  ext4_ext_zeroout(inode, &orig_ex);
 			if (err)
 				goto fix_extent_len;
@@ -2784,8 +2801,10 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 		 * update the extent length after successful insert of the
 		 * split extent
 		 */
-		orig_ex.ee_len = cpu_to_le16(ee_len -
-						ext4_ext_get_actual_len(ex3));
+		ee_len -= ext4_ext_get_actual_len(ex3);
+		orig_ex.ee_len = cpu_to_le16(ee_len);
+		may_zeroout = ee_block + ee_len <= eof_block;
+
 		depth = newdepth;
 		ext4_ext_drop_refs(path);
 		path = ext4_ext_find_extent(inode, iblock, path);
@@ -2809,7 +2828,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 		 * otherwise give the extent a chance to merge to left
 		 */
 		if (le16_to_cpu(orig_ex.ee_len) <= EXT4_EXT_ZERO_LEN &&
-							iblock != ee_block) {
+			iblock != ee_block && may_zeroout) {
 			err =  ext4_ext_zeroout(inode, &orig_ex);
 			if (err)
 				goto fix_extent_len;
@@ -2878,7 +2897,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	goto out;
 insert:
 	err = ext4_ext_insert_extent(handle, inode, path, &newex, 0);
-	if (err == -ENOSPC) {
+	if (err == -ENOSPC && may_zeroout) {
 		err =  ext4_ext_zeroout(inode, &orig_ex);
 		if (err)
 			goto fix_extent_len;
@@ -2938,14 +2957,21 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 	struct ext4_extent *ex2 = NULL;
 	struct ext4_extent *ex3 = NULL;
 	struct ext4_extent_header *eh;
-	ext4_lblk_t ee_block;
+	ext4_lblk_t ee_block, eof_block;
 	unsigned int allocated, ee_len, depth;
 	ext4_fsblk_t newblock;
 	int err = 0;
+	int may_zeroout;
+
+	ext_debug("ext4_split_unwritten_extents: inode %lu, logical"
+		"block %llu, max_blocks %u\n", inode->i_ino,
+		(unsigned long long)iblock, max_blocks);
+
+	eof_block = (inode->i_size + inode->i_sb->s_blocksize - 1) >>
+		inode->i_sb->s_blocksize_bits;
+	if (eof_block < iblock + max_blocks)
+		eof_block = iblock + max_blocks;
 
-	ext_debug("ext4_split_unwritten_extents: inode %lu,"
-		  "iblock %llu, max_blocks %u\n", inode->i_ino,
-		  (unsigned long long)iblock, max_blocks);
 	depth = ext_depth(inode);
 	eh = path[depth].p_hdr;
 	ex = path[depth].p_ext;
@@ -2953,11 +2979,18 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 	ee_len = ext4_ext_get_actual_len(ex);
 	allocated = ee_len - (iblock - ee_block);
 	newblock = iblock - ee_block + ext_pblock(ex);
+
 	ex2 = ex;
 	orig_ex.ee_block = ex->ee_block;
 	orig_ex.ee_len   = cpu_to_le16(ee_len);
 	ext4_ext_store_pblock(&orig_ex, ext_pblock(ex));
 
+	/*
+	 * It is safe to convert extent to initialized via explicit
+	 * zeroout only if extent is fully insde i_size or new_size.
+	 */
+	may_zeroout = ee_block + ee_len <= eof_block;
+
 	/*
  	 * If the uninitialized extent begins at the same logical
  	 * block where the write begins, and the write completely
@@ -2992,7 +3025,7 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 		ex3->ee_len = cpu_to_le16(allocated - max_blocks);
 		ext4_ext_mark_uninitialized(ex3);
 		err = ext4_ext_insert_extent(handle, inode, path, ex3, flags);
-		if (err == -ENOSPC) {
+		if (err == -ENOSPC && may_zeroout) {
 			err =  ext4_ext_zeroout(inode, &orig_ex);
 			if (err)
 				goto fix_extent_len;
@@ -3016,8 +3049,10 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 		 * update the extent length after successful insert of the
 		 * split extent
 		 */
-		orig_ex.ee_len = cpu_to_le16(ee_len -
-						ext4_ext_get_actual_len(ex3));
+		ee_len -= ext4_ext_get_actual_len(ex3);
+		orig_ex.ee_len = cpu_to_le16(ee_len);
+		may_zeroout = ee_block + ee_len <= eof_block;
+
 		depth = newdepth;
 		ext4_ext_drop_refs(path);
 		path = ext4_ext_find_extent(inode, iblock, path);
@@ -3063,7 +3098,7 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 	goto out;
 insert:
 	err = ext4_ext_insert_extent(handle, inode, path, &newex, flags);
-	if (err == -ENOSPC) {
+	if (err == -ENOSPC && may_zeroout) {
 		err =  ext4_ext_zeroout(inode, &orig_ex);
 		if (err)
 			goto fix_extent_len;

From d17413c08cd2b1dd2bf2cfdbb0f7b736b2b2b15c Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Sun, 16 May 2010 07:00:00 -0400
Subject: [PATCH 1474/3638] ext4: clean up inode bitmaps manipulation in
 ext4_free_inode

- Reorganize locking scheme to batch two atomic operation in to one.
  This also allow us to state what healthy group must obey following rule
  ext4_free_inodes_count(sb, gdp) == ext4_count_free(inode_bitmap, NUM);
- Fix possible undefined pointer dereference.
- Even if group descriptor stats aren't accessible we have to update
  inode bitmaps.
- Move non-group members update out of group_lock.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/ialloc.c | 87 ++++++++++++++++++++++--------------------------
 1 file changed, 40 insertions(+), 47 deletions(-)

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 57f6eef6ccd..52618d5a177 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -240,56 +240,49 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
 	if (fatal)
 		goto error_return;
 
-	/* Ok, now we can actually update the inode bitmaps.. */
-	cleared = ext4_clear_bit_atomic(ext4_group_lock_ptr(sb, block_group),
-					bit, bitmap_bh->b_data);
-	if (!cleared)
-		ext4_error(sb, "bit already cleared for inode %lu", ino);
-	else {
-		gdp = ext4_get_group_desc(sb, block_group, &bh2);
-
+	fatal = -ESRCH;
+	gdp = ext4_get_group_desc(sb, block_group, &bh2);
+	if (gdp) {
 		BUFFER_TRACE(bh2, "get_write_access");
 		fatal = ext4_journal_get_write_access(handle, bh2);
-		if (fatal) goto error_return;
-
-		if (gdp) {
-			ext4_lock_group(sb, block_group);
-			count = ext4_free_inodes_count(sb, gdp) + 1;
-			ext4_free_inodes_set(sb, gdp, count);
-			if (is_directory) {
-				count = ext4_used_dirs_count(sb, gdp) - 1;
-				ext4_used_dirs_set(sb, gdp, count);
-				if (sbi->s_log_groups_per_flex) {
-					ext4_group_t f;
-
-					f = ext4_flex_group(sbi, block_group);
-					atomic_dec(&sbi->s_flex_groups[f].used_dirs);
-				}
-
-			}
-			gdp->bg_checksum = ext4_group_desc_csum(sbi,
-							block_group, gdp);
-			ext4_unlock_group(sb, block_group);
-			percpu_counter_inc(&sbi->s_freeinodes_counter);
-			if (is_directory)
-				percpu_counter_dec(&sbi->s_dirs_counter);
-
-			if (sbi->s_log_groups_per_flex) {
-				ext4_group_t f;
-
-				f = ext4_flex_group(sbi, block_group);
-				atomic_inc(&sbi->s_flex_groups[f].free_inodes);
-			}
-		}
-		BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata");
-		err = ext4_handle_dirty_metadata(handle, NULL, bh2);
-		if (!fatal) fatal = err;
 	}
-	BUFFER_TRACE(bitmap_bh, "call ext4_handle_dirty_metadata");
-	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
-	if (!fatal)
-		fatal = err;
-	sb->s_dirt = 1;
+	ext4_lock_group(sb, block_group);
+	cleared = ext4_clear_bit(bit, bitmap_bh->b_data);
+	if (fatal || !cleared) {
+		ext4_unlock_group(sb, block_group);
+		goto out;
+	}
+
+	count = ext4_free_inodes_count(sb, gdp) + 1;
+	ext4_free_inodes_set(sb, gdp, count);
+	if (is_directory) {
+		count = ext4_used_dirs_count(sb, gdp) - 1;
+		ext4_used_dirs_set(sb, gdp, count);
+		percpu_counter_dec(&sbi->s_dirs_counter);
+	}
+	gdp->bg_checksum = ext4_group_desc_csum(sbi, block_group, gdp);
+	ext4_unlock_group(sb, block_group);
+
+	percpu_counter_inc(&sbi->s_freeinodes_counter);
+	if (sbi->s_log_groups_per_flex) {
+		ext4_group_t f = ext4_flex_group(sbi, block_group);
+
+		atomic_inc(&sbi->s_flex_groups[f].free_inodes);
+		if (is_directory)
+			atomic_dec(&sbi->s_flex_groups[f].used_dirs);
+	}
+	BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata");
+	fatal = ext4_handle_dirty_metadata(handle, NULL, bh2);
+out:
+	if (cleared) {
+		BUFFER_TRACE(bitmap_bh, "call ext4_handle_dirty_metadata");
+		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
+		if (!fatal)
+			fatal = err;
+		sb->s_dirt = 1;
+	} else
+		ext4_error(sb, "bit already cleared for inode %lu", ino);
+
 error_return:
 	brelse(bitmap_bh);
 	ext4_std_error(sb, fatal);

From 84061e07c5fbbbf9dc8aef8fb750fc3a2dfc31f3 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Sun, 16 May 2010 08:00:00 -0400
Subject: [PATCH 1475/3638] ext4: init statistics after journal recovery

Currently block/inode/dir counters initialized before journal was
recovered. In fact after journal recovery this info will probably
change. And freeblocks it critical for correct delalloc mode
accounting.

https://bugzilla.kernel.org/show_bug.cgi?id=15768

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/super.c | 40 ++++++++++++++++++----------------------
 1 file changed, 18 insertions(+), 22 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 00d09f58f18..d83cdcbd9b3 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2794,24 +2794,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	get_random_bytes(&sbi->s_next_generation, sizeof(u32));
 	spin_lock_init(&sbi->s_next_gen_lock);
 
-	err = percpu_counter_init(&sbi->s_freeblocks_counter,
-			ext4_count_free_blocks(sb));
-	if (!err) {
-		err = percpu_counter_init(&sbi->s_freeinodes_counter,
-				ext4_count_free_inodes(sb));
-	}
-	if (!err) {
-		err = percpu_counter_init(&sbi->s_dirs_counter,
-				ext4_count_dirs(sb));
-	}
-	if (!err) {
-		err = percpu_counter_init(&sbi->s_dirtyblocks_counter, 0);
-	}
-	if (err) {
-		ext4_msg(sb, KERN_ERR, "insufficient memory");
-		goto failed_mount3;
-	}
-
 	sbi->s_stripe = ext4_get_stripe_size(sbi);
 	sbi->s_max_writeback_mb_bump = 128;
 
@@ -2911,6 +2893,20 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	set_task_ioprio(sbi->s_journal->j_task, journal_ioprio);
 
 no_journal:
+	err = percpu_counter_init(&sbi->s_freeblocks_counter,
+				  ext4_count_free_blocks(sb));
+	if (!err)
+		err = percpu_counter_init(&sbi->s_freeinodes_counter,
+					  ext4_count_free_inodes(sb));
+	if (!err)
+		err = percpu_counter_init(&sbi->s_dirs_counter,
+					  ext4_count_dirs(sb));
+	if (!err)
+		err = percpu_counter_init(&sbi->s_dirtyblocks_counter, 0);
+	if (err) {
+		ext4_msg(sb, KERN_ERR, "insufficient memory");
+		goto failed_mount_wq;
+	}
 	if (test_opt(sb, NOBH)) {
 		if (!(test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)) {
 			ext4_msg(sb, KERN_WARNING, "Ignoring nobh option - "
@@ -3060,6 +3056,10 @@ failed_mount_wq:
 		jbd2_journal_destroy(sbi->s_journal);
 		sbi->s_journal = NULL;
 	}
+	percpu_counter_destroy(&sbi->s_freeblocks_counter);
+	percpu_counter_destroy(&sbi->s_freeinodes_counter);
+	percpu_counter_destroy(&sbi->s_dirs_counter);
+	percpu_counter_destroy(&sbi->s_dirtyblocks_counter);
 failed_mount3:
 	if (sbi->s_flex_groups) {
 		if (is_vmalloc_addr(sbi->s_flex_groups))
@@ -3067,10 +3067,6 @@ failed_mount3:
 		else
 			kfree(sbi->s_flex_groups);
 	}
-	percpu_counter_destroy(&sbi->s_freeblocks_counter);
-	percpu_counter_destroy(&sbi->s_freeinodes_counter);
-	percpu_counter_destroy(&sbi->s_dirs_counter);
-	percpu_counter_destroy(&sbi->s_dirtyblocks_counter);
 failed_mount2:
 	for (i = 0; i < db_count; i++)
 		brelse(sbi->s_group_desc[i]);

From 56246f9ae4cfa95b460f9dfbcfb1b772d85db046 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sun, 16 May 2010 09:00:00 -0400
Subject: [PATCH 1476/3638] quota: use flags interface for dquot alloc/free
 space

Switch __dquot_alloc_space and __dquot_free_space to take flags
to indicate whether to warn and/or to reserve (or free reserve).

This is slightly more readable at the callpoints, and makes it
cleaner to add a "nofail" option in the next patch.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/quota/dquot.c         |  8 +++++---
 include/linux/quotaops.h | 25 ++++++++++++++-----------
 2 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 788b5802a7c..8c40c07797a 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1488,11 +1488,12 @@ static void inode_decr_space(struct inode *inode, qsize_t number, int reserve)
 /*
  * This operation can block, but only after everything is updated
  */
-int __dquot_alloc_space(struct inode *inode, qsize_t number,
-		int warn, int reserve)
+int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
 {
 	int cnt, ret = 0;
 	char warntype[MAXQUOTAS];
+	int warn = flags & DQUOT_SPACE_WARN;
+	int reserve = flags & DQUOT_SPACE_RESERVE;
 
 	/*
 	 * First test before acquiring mutex - solves deadlocks when we
@@ -1612,10 +1613,11 @@ EXPORT_SYMBOL(dquot_claim_space_nodirty);
 /*
  * This operation can block, but only after everything is updated
  */
-void __dquot_free_space(struct inode *inode, qsize_t number, int reserve)
+void __dquot_free_space(struct inode *inode, qsize_t number, int flags)
 {
 	unsigned int cnt;
 	char warntype[MAXQUOTAS];
+	int reserve = flags & DQUOT_SPACE_RESERVE;
 
 	/* First test before acquiring mutex - solves deadlocks when we
          * re-enter the quota code and are already holding the mutex */
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index e6fa7acce29..9edd53c2498 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -9,6 +9,9 @@
 
 #include <linux/fs.h>
 
+#define DQUOT_SPACE_WARN	0x1
+#define DQUOT_SPACE_RESERVE	0x2
+
 static inline struct quota_info *sb_dqopt(struct super_block *sb)
 {
 	return &sb->s_dquot;
@@ -33,9 +36,8 @@ int dquot_scan_active(struct super_block *sb,
 struct dquot *dquot_alloc(struct super_block *sb, int type);
 void dquot_destroy(struct dquot *dquot);
 
-int __dquot_alloc_space(struct inode *inode, qsize_t number,
-		int warn, int reserve);
-void __dquot_free_space(struct inode *inode, qsize_t number, int reserve);
+int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags);
+void __dquot_free_space(struct inode *inode, qsize_t number, int flags);
 
 int dquot_alloc_inode(const struct inode *inode);
 
@@ -231,17 +233,17 @@ static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
 }
 
 static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
-		int warn, int reserve)
+		int flags)
 {
-	if (!reserve)
+	if (!(flags & DQUOT_SPACE_RESERVE))
 		inode_add_bytes(inode, number);
 	return 0;
 }
 
 static inline void __dquot_free_space(struct inode *inode, qsize_t number,
-		int reserve)
+		int flags)
 {
-	if (!reserve)
+	if (!(flags & DQUOT_SPACE_RESERVE))
 		inode_sub_bytes(inode, number);
 }
 
@@ -257,7 +259,7 @@ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 
 static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
-	return __dquot_alloc_space(inode, nr, 1, 0);
+	return __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN);
 }
 
 static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
@@ -282,7 +284,7 @@ static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
 
 static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
-	return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0, 0);
+	return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0);
 }
 
 static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
@@ -297,7 +299,8 @@ static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
 
 static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
 {
-	return __dquot_alloc_space(inode, nr << inode->i_blkbits, 1, 1);
+	return __dquot_alloc_space(inode, nr << inode->i_blkbits,
+				DQUOT_SPACE_WARN|DQUOT_SPACE_RESERVE);
 }
 
 static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
@@ -334,7 +337,7 @@ static inline void dquot_free_block(struct inode *inode, qsize_t nr)
 static inline void dquot_release_reservation_block(struct inode *inode,
 		qsize_t nr)
 {
-	__dquot_free_space(inode, nr << inode->i_blkbits, 1);
+	__dquot_free_space(inode, nr << inode->i_blkbits, DQUOT_SPACE_RESERVE);
 }
 
 #endif /* _LINUX_QUOTAOPS_ */

From 0e05842bc117ea70ceb979cca798fd026879951b Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sun, 16 May 2010 10:00:00 -0400
Subject: [PATCH 1477/3638] quota: add the option to not fail with EDQUOT in
 block

To simplify metadata tracking for delalloc writes, ext4
will simply claim metadata blocks at allocation time, without
first speculatively reserving the worst case and then freeing
what was not used.

To do this, we need a mechanism to track allocations in
the quota subsystem, but potentially allow that allocation
to actually go over quota.

This patch adds a DQUOT_SPACE_NOFAIL flag and function
variants for this purpose.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/quota/dquot.c         |  3 ++-
 include/linux/quotaops.h | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 8c40c07797a..df6832ec17c 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1494,6 +1494,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
 	char warntype[MAXQUOTAS];
 	int warn = flags & DQUOT_SPACE_WARN;
 	int reserve = flags & DQUOT_SPACE_RESERVE;
+	int nofail = flags & DQUOT_SPACE_NOFAIL;
 
 	/*
 	 * First test before acquiring mutex - solves deadlocks when we
@@ -1514,7 +1515,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
 			continue;
 		ret = check_bdq(inode->i_dquot[cnt], number, !warn,
 				warntype+cnt);
-		if (ret) {
+		if (ret && !nofail) {
 			spin_unlock(&dq_data_lock);
 			goto out_flush_warn;
 		}
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 9edd53c2498..f8dbeb0fe0c 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -11,6 +11,7 @@
 
 #define DQUOT_SPACE_WARN	0x1
 #define DQUOT_SPACE_RESERVE	0x2
+#define DQUOT_SPACE_NOFAIL	0x4
 
 static inline struct quota_info *sb_dqopt(struct super_block *sb)
 {
@@ -262,6 +263,12 @@ static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 	return __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN);
 }
 
+static inline void dquot_alloc_space_nofail(struct inode *inode, qsize_t nr)
+{
+	__dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN|DQUOT_SPACE_NOFAIL);
+	mark_inode_dirty(inode);
+}
+
 static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
 {
 	int ret;
@@ -277,6 +284,11 @@ static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
 	return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
 }
 
+static inline void dquot_alloc_block_nofail(struct inode *inode, qsize_t nr)
+{
+	dquot_alloc_space_nofail(inode, nr << inode->i_blkbits);
+}
+
 static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
 {
 	return dquot_alloc_space(inode, nr << inode->i_blkbits);

From 72b8ab9dde211ea518ff27e631b2046ef90c29a2 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sun, 16 May 2010 11:00:00 -0400
Subject: [PATCH 1478/3638] ext4: don't use quota reservation for speculative
 metadata

Because we can badly over-reserve metadata when we
calculate worst-case, it complicates things for quota, since
we must reserve and then claim later, retry on EDQUOT, etc.
Quota is also a generally smaller pool than fs free blocks,
so this over-reservation hurts more, and more often.

I'm of the opinion that it's not the worst thing to allow
metadata to push a user slightly over quota.  This simplifies
the code and avoids the false quota rejections that result
from worst-case speculation.

This patch stops the speculative quota-charging for
worst-case metadata requirements, and just charges quota
when the blocks are allocated at writeout.  It also is
able to remove the try-again loop on EDQUOT.

This patch has been tested indirectly by running the xfstests
suite with a hack to mount & enable quota prior to the test.

I also did a more specific test of fragmenting freespace
and then doing a large delalloc write under quota; quota
stopped me at the right amount of file IO, and then the
writeout generated enough metadata (due to the fragmentation)
that it put me slightly over quota, as expected.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/balloc.c |  5 ++--
 fs/ext4/inode.c  | 69 ++++++++++++++++--------------------------------
 2 files changed, 26 insertions(+), 48 deletions(-)

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index d2f37a5516c..95b7594c76f 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -591,14 +591,15 @@ ext4_fsblk_t ext4_new_meta_blocks(handle_t *handle, struct inode *inode,
 	ret = ext4_mb_new_blocks(handle, &ar, errp);
 	if (count)
 		*count = ar.len;
-
 	/*
-	 * Account for the allocated meta blocks
+	 * Account for the allocated meta blocks.  We will never
+	 * fail EDQUOT for metdata, but we do account for it.
 	 */
 	if (!(*errp) && EXT4_I(inode)->i_delalloc_reserved_flag) {
 		spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
 		EXT4_I(inode)->i_allocated_meta_blocks += ar.len;
 		spin_unlock(&EXT4_I(inode)->i_block_reservation_lock);
+		dquot_alloc_block_nofail(inode, ar.len);
 	}
 	return ret;
 }
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 89a31e8869c..df43217e4e7 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1076,7 +1076,6 @@ void ext4_da_update_reserve_space(struct inode *inode,
 {
 	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 	struct ext4_inode_info *ei = EXT4_I(inode);
-	int mdb_free = 0, allocated_meta_blocks = 0;
 
 	spin_lock(&ei->i_block_reservation_lock);
 	trace_ext4_da_update_reserve_space(inode, used);
@@ -1091,11 +1090,10 @@ void ext4_da_update_reserve_space(struct inode *inode,
 
 	/* Update per-inode reservations */
 	ei->i_reserved_data_blocks -= used;
-	used += ei->i_allocated_meta_blocks;
 	ei->i_reserved_meta_blocks -= ei->i_allocated_meta_blocks;
-	allocated_meta_blocks = ei->i_allocated_meta_blocks;
+	percpu_counter_sub(&sbi->s_dirtyblocks_counter,
+			   used + ei->i_allocated_meta_blocks);
 	ei->i_allocated_meta_blocks = 0;
-	percpu_counter_sub(&sbi->s_dirtyblocks_counter, used);
 
 	if (ei->i_reserved_data_blocks == 0) {
 		/*
@@ -1103,31 +1101,23 @@ void ext4_da_update_reserve_space(struct inode *inode,
 		 * only when we have written all of the delayed
 		 * allocation blocks.
 		 */
-		mdb_free = ei->i_reserved_meta_blocks;
+		percpu_counter_sub(&sbi->s_dirtyblocks_counter,
+				   ei->i_reserved_meta_blocks);
 		ei->i_reserved_meta_blocks = 0;
 		ei->i_da_metadata_calc_len = 0;
-		percpu_counter_sub(&sbi->s_dirtyblocks_counter, mdb_free);
 	}
 	spin_unlock(&EXT4_I(inode)->i_block_reservation_lock);
 
-	/* Update quota subsystem */
-	if (quota_claim) {
+	/* Update quota subsystem for data blocks */
+	if (quota_claim)
 		dquot_claim_block(inode, used);
-		if (mdb_free)
-			dquot_release_reservation_block(inode, mdb_free);
-	} else {
+	else {
 		/*
 		 * We did fallocate with an offset that is already delayed
 		 * allocated. So on delayed allocated writeback we should
-		 * not update the quota for allocated blocks. But then
-		 * converting an fallocate region to initialized region would
-		 * have caused a metadata allocation. So claim quota for
-		 * that
+		 * not re-claim the quota for fallocated blocks.
 		 */
-		if (allocated_meta_blocks)
-			dquot_claim_block(inode, allocated_meta_blocks);
-		dquot_release_reservation_block(inode, mdb_free + used -
-						allocated_meta_blocks);
+		dquot_release_reservation_block(inode, used);
 	}
 
 	/*
@@ -1861,7 +1851,7 @@ static int ext4_da_reserve_space(struct inode *inode, sector_t lblock)
 	int retries = 0;
 	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 	struct ext4_inode_info *ei = EXT4_I(inode);
-	unsigned long md_needed, md_reserved;
+	unsigned long md_needed;
 	int ret;
 
 	/*
@@ -1871,22 +1861,24 @@ static int ext4_da_reserve_space(struct inode *inode, sector_t lblock)
 	 */
 repeat:
 	spin_lock(&ei->i_block_reservation_lock);
-	md_reserved = ei->i_reserved_meta_blocks;
 	md_needed = ext4_calc_metadata_amount(inode, lblock);
 	trace_ext4_da_reserve_space(inode, md_needed);
 	spin_unlock(&ei->i_block_reservation_lock);
 
 	/*
-	 * Make quota reservation here to prevent quota overflow
-	 * later. Real quota accounting is done at pages writeout
-	 * time.
+	 * We will charge metadata quota at writeout time; this saves
+	 * us from metadata over-estimation, though we may go over by
+	 * a small amount in the end.  Here we just reserve for data.
 	 */
-	ret = dquot_reserve_block(inode, md_needed + 1);
+	ret = dquot_reserve_block(inode, 1);
 	if (ret)
 		return ret;
-
+	/*
+	 * We do still charge estimated metadata to the sb though;
+	 * we cannot afford to run out of free blocks.
+	 */
 	if (ext4_claim_free_blocks(sbi, md_needed + 1)) {
-		dquot_release_reservation_block(inode, md_needed + 1);
+		dquot_release_reservation_block(inode, 1);
 		if (ext4_should_retry_alloc(inode->i_sb, &retries)) {
 			yield();
 			goto repeat;
@@ -1933,12 +1925,13 @@ static void ext4_da_release_space(struct inode *inode, int to_free)
 		 * only when we have written all of the delayed
 		 * allocation blocks.
 		 */
-		to_free += ei->i_reserved_meta_blocks;
+		percpu_counter_sub(&sbi->s_dirtyblocks_counter,
+				   ei->i_reserved_meta_blocks);
 		ei->i_reserved_meta_blocks = 0;
 		ei->i_da_metadata_calc_len = 0;
 	}
 
-	/* update fs dirty blocks counter */
+	/* update fs dirty data blocks counter */
 	percpu_counter_sub(&sbi->s_dirtyblocks_counter, to_free);
 
 	spin_unlock(&EXT4_I(inode)->i_block_reservation_lock);
@@ -3086,7 +3079,7 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
 			       loff_t pos, unsigned len, unsigned flags,
 			       struct page **pagep, void **fsdata)
 {
-	int ret, retries = 0, quota_retries = 0;
+	int ret, retries = 0;
 	struct page *page;
 	pgoff_t index;
 	unsigned from, to;
@@ -3145,22 +3138,6 @@ retry:
 
 	if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
 		goto retry;
-
-	if ((ret == -EDQUOT) &&
-	    EXT4_I(inode)->i_reserved_meta_blocks &&
-	    (quota_retries++ < 3)) {
-		/*
-		 * Since we often over-estimate the number of meta
-		 * data blocks required, we may sometimes get a
-		 * spurios out of quota error even though there would
-		 * be enough space once we write the data blocks and
-		 * find out how many meta data blocks were _really_
-		 * required.  So try forcing the inode write to see if
-		 * that helps.
-		 */
-		write_inode_now(inode, (quota_retries == 3));
-		goto retry;
-	}
 out:
 	return ret;
 }

From d4c402d9fd97a54bb7ed89f9e9869897eb4f6e1f Mon Sep 17 00:00:00 2001
From: Curt Wohlgemuth <curtw@google.com>
Date: Sun, 16 May 2010 12:00:00 -0400
Subject: [PATCH 1479/3638] ext4: Print mount options in when mounting and add
 a remount message

This adds a "re-mounted" message to ext4_remount(), and both it and
the mount message in ext4_fill_super() now have the original mount
options data string.

Signed-off-by: Curt Wohlgemuth <curtw@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/super.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index d83cdcbd9b3..8e655f5acb3 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2431,6 +2431,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 				__releases(kernel_lock)
 				__acquires(kernel_lock)
 {
+	char *orig_data = kstrdup(data, GFP_KERNEL);
 	struct buffer_head *bh;
 	struct ext4_super_block *es = NULL;
 	struct ext4_sb_info *sbi;
@@ -3037,9 +3038,11 @@ no_journal:
 	} else
 		descr = "out journal";
 
-	ext4_msg(sb, KERN_INFO, "mounted filesystem with%s", descr);
+	ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. "
+		"Opts: %s", descr, orig_data);
 
 	lock_kernel();
+	kfree(orig_data);
 	return 0;
 
 cantfind_ext4:
@@ -3086,6 +3089,7 @@ out_fail:
 	kfree(sbi->s_blockgroup_lock);
 	kfree(sbi);
 	lock_kernel();
+	kfree(orig_data);
 	return ret;
 }
 
@@ -3576,6 +3580,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 #ifdef CONFIG_QUOTA
 	int i;
 #endif
+	char *orig_data = kstrdup(data, GFP_KERNEL);
 
 	lock_kernel();
 
@@ -3709,6 +3714,9 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 #endif
 	unlock_super(sb);
 	unlock_kernel();
+
+	ext4_msg(sb, KERN_INFO, "re-mounted. Opts: %s", orig_data);
+	kfree(orig_data);
 	return 0;
 
 restore_opts:
@@ -3730,6 +3738,7 @@ restore_opts:
 #endif
 	unlock_super(sb);
 	unlock_kernel();
+	kfree(orig_data);
 	return err;
 }
 

From fbe845ddf368f77f86aa7500f8fd2690f54c66a8 Mon Sep 17 00:00:00 2001
From: Curt Wohlgemuth <curtw@google.com>
Date: Sun, 16 May 2010 13:00:00 -0400
Subject: [PATCH 1480/3638] ext4: Remove extraneous newlines in ext4_msg()
 calls

Addresses-Google-Bug: #2562325

Signed-off-by: Curt Wohlgemuth <curtw@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/inode.c | 6 +++---
 fs/ext4/super.c | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index df43217e4e7..6aa0442811d 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2276,7 +2276,7 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd)
 		ext4_msg(mpd->inode->i_sb, KERN_CRIT,
 			 "delayed block allocation failed for inode %lu at "
 			 "logical offset %llu with max blocks %zd with "
-			 "error %d\n", mpd->inode->i_ino,
+			 "error %d", mpd->inode->i_ino,
 			 (unsigned long long) next,
 			 mpd->b_size >> mpd->inode->i_blkbits, err);
 		printk(KERN_CRIT "This should not happen!!  "
@@ -2944,7 +2944,7 @@ retry:
 		if (IS_ERR(handle)) {
 			ret = PTR_ERR(handle);
 			ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: "
-			       "%ld pages, ino %lu; err %d\n", __func__,
+			       "%ld pages, ino %lu; err %d", __func__,
 				wbc->nr_to_write, inode->i_ino, ret);
 			goto out_writepages;
 		}
@@ -3019,7 +3019,7 @@ retry:
 	if (pages_skipped != wbc->pages_skipped)
 		ext4_msg(inode->i_sb, KERN_CRIT,
 			 "This should not happen leaving %s "
-			 "with nr_to_write = %ld ret = %d\n",
+			 "with nr_to_write = %ld ret = %d",
 			 __func__, wbc->nr_to_write, ret);
 
 	/* Update index */
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 8e655f5acb3..c597ec73da1 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2999,7 +2999,7 @@ no_journal:
 	err = ext4_setup_system_zone(sb);
 	if (err) {
 		ext4_msg(sb, KERN_ERR, "failed to initialize system "
-			 "zone (%d)\n", err);
+			 "zone (%d)", err);
 		goto failed_mount4;
 	}
 

From 6d19c42b7cf81c39632b6d4dbc514e8449bcd346 Mon Sep 17 00:00:00 2001
From: Nikanth Karthikesan <knikanth@suse.de>
Date: Sun, 16 May 2010 14:00:00 -0400
Subject: [PATCH 1481/3638] ext4: Prevent creation of files larger than
 RLIMIT_FSIZE using fallocate

Currently using posix_fallocate one can bypass an RLIMIT_FSIZE limit
and create a file larger than the limit. Add a check for that.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Amit Arora <aarora@in.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/extents.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index ee611daf074..8a8f9f0be91 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3708,6 +3708,11 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
 	 */
 	credits = ext4_chunk_trans_blocks(inode, max_blocks);
 	mutex_lock(&inode->i_mutex);
+	ret = inode_newsize_ok(inode, (len + offset));
+	if (ret) {
+		mutex_unlock(&inode->i_mutex);
+		return ret;
+	}
 retry:
 	while (ret >= 0 && ret < max_blocks) {
 		block = block + ret;

From 8a57d9d61a6e361c7bb159dda797672c1df1a691 Mon Sep 17 00:00:00 2001
From: Curt Wohlgemuth <curtw@google.com>
Date: Sun, 16 May 2010 15:00:00 -0400
Subject: [PATCH 1482/3638] ext4: check for a good block group before loading
 buddy pages

This adds a new field in ext4_group_info to cache the largest available
block range in a block group; and don't load the buddy pages until *after*
we've done a sanity check on the block group.

With large allocation requests (e.g., fallocate(), 8MiB) and relatively full
partitions, it's easy to have no block groups with a block extent large
enough to satisfy the input request length.  This currently causes the loop
during cr == 0 in ext4_mb_regular_allocator() to load the buddy bitmap pages
for EVERY block group.  That can be a lot of pages.  The patch below allows
us to call ext4_mb_good_group() BEFORE we load the buddy pages (although we
have check again after we lock the block group).

Addresses-Google-Bug: #2578108
Addresses-Google-Bug: #2704453

Signed-off-by: Curt Wohlgemuth <curtw@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/ext4.h    |  1 +
 fs/ext4/mballoc.c | 70 ++++++++++++++++++++++++++++++++++++++---------
 2 files changed, 58 insertions(+), 13 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index bf938cf7c5f..d266003cac3 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1678,6 +1678,7 @@ struct ext4_group_info {
 	ext4_grpblk_t	bb_first_free;	/* first free block */
 	ext4_grpblk_t	bb_free;	/* total free blocks */
 	ext4_grpblk_t	bb_fragments;	/* nr of freespace fragments */
+	ext4_grpblk_t	bb_largest_free_order;/* order of largest frag in BG */
 	struct          list_head bb_prealloc_list;
 #ifdef DOUBLE_CHECK
 	void            *bb_bitmap;
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 4f2d3a9d4e2..aa499fe1168 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -658,6 +658,27 @@ static void ext4_mb_mark_free_simple(struct super_block *sb,
 	}
 }
 
+/*
+ * Cache the order of the largest free extent we have available in this block
+ * group.
+ */
+static void
+mb_set_largest_free_order(struct super_block *sb, struct ext4_group_info *grp)
+{
+	int i;
+	int bits;
+
+	grp->bb_largest_free_order = -1; /* uninit */
+
+	bits = sb->s_blocksize_bits + 1;
+	for (i = bits; i >= 0; i--) {
+		if (grp->bb_counters[i] > 0) {
+			grp->bb_largest_free_order = i;
+			break;
+		}
+	}
+}
+
 static noinline_for_stack
 void ext4_mb_generate_buddy(struct super_block *sb,
 				void *buddy, void *bitmap, ext4_group_t group)
@@ -700,6 +721,7 @@ void ext4_mb_generate_buddy(struct super_block *sb,
 		 */
 		grp->bb_free = free;
 	}
+	mb_set_largest_free_order(sb, grp);
 
 	clear_bit(EXT4_GROUP_INFO_NEED_INIT_BIT, &(grp->bb_state));
 
@@ -725,6 +747,9 @@ void ext4_mb_generate_buddy(struct super_block *sb,
  * contain blocks_per_page (PAGE_CACHE_SIZE / blocksize)  blocks.
  * So it can have information regarding groups_per_page which
  * is blocks_per_page/2
+ *
+ * Locking note:  This routine takes the block group lock of all groups
+ * for this page; do not hold this lock when calling this routine!
  */
 
 static int ext4_mb_init_cache(struct page *page, char *incore)
@@ -910,6 +935,11 @@ out:
 	return err;
 }
 
+/*
+ * Locking note:  This routine calls ext4_mb_init_cache(), which takes the
+ * block group lock of all groups for this page; do not hold the BG lock when
+ * calling this routine!
+ */
 static noinline_for_stack
 int ext4_mb_init_group(struct super_block *sb, ext4_group_t group)
 {
@@ -1004,6 +1034,11 @@ err:
 	return ret;
 }
 
+/*
+ * Locking note:  This routine calls ext4_mb_init_cache(), which takes the
+ * block group lock of all groups for this page; do not hold the BG lock when
+ * calling this routine!
+ */
 static noinline_for_stack int
 ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
 					struct ext4_buddy *e4b)
@@ -1299,6 +1334,7 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
 			buddy = buddy2;
 		} while (1);
 	}
+	mb_set_largest_free_order(sb, e4b->bd_info);
 	mb_check_buddy(e4b);
 }
 
@@ -1427,6 +1463,7 @@ static int mb_mark_used(struct ext4_buddy *e4b, struct ext4_free_extent *ex)
 		e4b->bd_info->bb_counters[ord]++;
 		e4b->bd_info->bb_counters[ord]++;
 	}
+	mb_set_largest_free_order(e4b->bd_sb, e4b->bd_info);
 
 	mb_set_bits(EXT4_MB_BITMAP(e4b), ex->fe_start, len0);
 	mb_check_buddy(e4b);
@@ -1821,16 +1858,22 @@ void ext4_mb_scan_aligned(struct ext4_allocation_context *ac,
 	}
 }
 
+/* This is now called BEFORE we load the buddy bitmap. */
 static int ext4_mb_good_group(struct ext4_allocation_context *ac,
 				ext4_group_t group, int cr)
 {
 	unsigned free, fragments;
-	unsigned i, bits;
 	int flex_size = ext4_flex_bg_size(EXT4_SB(ac->ac_sb));
 	struct ext4_group_info *grp = ext4_get_group_info(ac->ac_sb, group);
 
 	BUG_ON(cr < 0 || cr >= 4);
-	BUG_ON(EXT4_MB_GRP_NEED_INIT(grp));
+
+	/* We only do this if the grp has never been initialized */
+	if (unlikely(EXT4_MB_GRP_NEED_INIT(grp))) {
+		int ret = ext4_mb_init_group(ac->ac_sb, group);
+		if (ret)
+			return 0;
+	}
 
 	free = grp->bb_free;
 	fragments = grp->bb_fragments;
@@ -1843,17 +1886,16 @@ static int ext4_mb_good_group(struct ext4_allocation_context *ac,
 	case 0:
 		BUG_ON(ac->ac_2order == 0);
 
+		if (grp->bb_largest_free_order < ac->ac_2order)
+			return 0;
+
 		/* Avoid using the first bg of a flexgroup for data files */
 		if ((ac->ac_flags & EXT4_MB_HINT_DATA) &&
 		    (flex_size >= EXT4_FLEX_SIZE_DIR_ALLOC_SCHEME) &&
 		    ((group % flex_size) == 0))
 			return 0;
 
-		bits = ac->ac_sb->s_blocksize_bits + 1;
-		for (i = ac->ac_2order; i <= bits; i++)
-			if (grp->bb_counters[i] > 0)
-				return 1;
-		break;
+		return 1;
 	case 1:
 		if ((free / fragments) >= ac->ac_g_ex.fe_len)
 			return 1;
@@ -2024,14 +2066,11 @@ repeat:
 		group = ac->ac_g_ex.fe_group;
 
 		for (i = 0; i < ngroups; group++, i++) {
-			struct ext4_group_info *grp;
-
 			if (group == ngroups)
 				group = 0;
 
-			/* quick check to skip empty groups */
-			grp = ext4_get_group_info(sb, group);
-			if (grp->bb_free == 0)
+			/* This now checks without needing the buddy page */
+			if (!ext4_mb_good_group(ac, group, cr))
 				continue;
 
 			err = ext4_mb_load_buddy(sb, group, &e4b);
@@ -2039,8 +2078,12 @@ repeat:
 				goto out;
 
 			ext4_lock_group(sb, group);
+
+			/*
+			 * We need to check again after locking the
+			 * block group
+			 */
 			if (!ext4_mb_good_group(ac, group, cr)) {
-				/* someone did allocation from this group */
 				ext4_unlock_group(sb, group);
 				ext4_mb_unload_buddy(&e4b);
 				continue;
@@ -2253,6 +2296,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
 	INIT_LIST_HEAD(&meta_group_info[i]->bb_prealloc_list);
 	init_rwsem(&meta_group_info[i]->alloc_sem);
 	meta_group_info[i]->bb_free_root = RB_ROOT;
+	meta_group_info[i]->bb_largest_free_order = -1;  /* uninit */
 
 #ifdef DOUBLE_CHECK
 	{

From 1b4d0d8ea7b3cbd107f345ab766416f9b38ce66a Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@suse.de>
Date: Thu, 13 May 2010 09:31:54 -0500
Subject: [PATCH 1483/3638] [SCSI] libsas: fix deref before check in commit
 70b25f890ce

commit 70b25f890ce9f0520c64075ce9225a5b020a513e
Author: Tejun Heo <tj@kernel.org>
Date:   Thu Apr 15 09:00:08 2010 +0900

    [SCSI] fix locking around blk_abort_request()

Introduced a reference before check problem, fix this by moving the
lock shorthand code to be right at the point of actual use.

Reported-by: Dan Carpenter <error27@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libsas/sas_ata.c       |  5 +++--
 drivers/scsi/libsas/sas_scsi_host.c | 16 ++++++++--------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 88f74467257..8c496b56556 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -395,12 +395,13 @@ int sas_ata_init_host_and_port(struct domain_device *found_dev,
 void sas_ata_task_abort(struct sas_task *task)
 {
 	struct ata_queued_cmd *qc = task->uldd_task;
-	struct request_queue *q = qc->scsicmd->device->request_queue;
 	struct completion *waiting;
-	unsigned long flags;
 
 	/* Bounce SCSI-initiated commands to the SCSI EH */
 	if (qc->scsicmd) {
+		struct request_queue *q = qc->scsicmd->device->request_queue;
+		unsigned long flags;
+
 		spin_lock_irqsave(q->queue_lock, flags);
 		blk_abort_request(qc->scsicmd->request);
 		spin_unlock_irqrestore(q->queue_lock, flags);
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 822835055ce..53849f21ad4 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -1030,8 +1030,6 @@ int __sas_task_abort(struct sas_task *task)
 void sas_task_abort(struct sas_task *task)
 {
 	struct scsi_cmnd *sc = task->uldd_task;
-	struct request_queue *q = sc->device->request_queue;
-	unsigned long flags;
 
 	/* Escape for libsas internal commands */
 	if (!sc) {
@@ -1043,13 +1041,15 @@ void sas_task_abort(struct sas_task *task)
 
 	if (dev_is_sata(task->dev)) {
 		sas_ata_task_abort(task);
-		return;
-	}
+	} else {
+		struct request_queue *q = sc->device->request_queue;
+		unsigned long flags;
 
-	spin_lock_irqsave(q->queue_lock, flags);
-	blk_abort_request(sc->request);
-	spin_unlock_irqrestore(q->queue_lock, flags);
-	scsi_schedule_eh(sc->device->host);
+		spin_lock_irqsave(q->queue_lock, flags);
+		blk_abort_request(sc->request);
+		spin_unlock_irqrestore(q->queue_lock, flags);
+		scsi_schedule_eh(sc->device->host);
+	}
 }
 
 int sas_slave_alloc(struct scsi_device *scsi_dev)

From 291dae472a8976ff461f24c848fee2a03f9ea3c8 Mon Sep 17 00:00:00 2001
From: Curt Wohlgemuth <curtw@google.com>
Date: Sun, 16 May 2010 16:00:00 -0400
Subject: [PATCH 1484/3638] ext4: Fix for ext4_mb_collect_stats()

Fix ext4_mb_collect_stats() to use the correct test for s_bal_success; it
should be testing "best-extent.fe_len >= orig-extent.fe_len" , not
"orig-extent.fe_len >= goal-extent.fe_len" .

Signed-off-by: Curt Wohlgemuth <curtw@google.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index aa499fe1168..e5dcdc9bd56 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3029,7 +3029,7 @@ static void ext4_mb_collect_stats(struct ext4_allocation_context *ac)
 	if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) {
 		atomic_inc(&sbi->s_bal_reqs);
 		atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);
-		if (ac->ac_o_ex.fe_len >= ac->ac_g_ex.fe_len)
+		if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len)
 			atomic_inc(&sbi->s_bal_success);
 		atomic_add(ac->ac_found, &sbi->s_bal_ex_scanned);
 		if (ac->ac_g_ex.fe_start == ac->ac_b_ex.fe_start &&

From 39a4bade8c1826b658316d66ee81c09b0a4d7d42 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Sun, 16 May 2010 17:00:00 -0400
Subject: [PATCH 1485/3638] ext4: Show journal_checksum option

We failed to show journal_checksum option in /proc/mounts. Fix it.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/super.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index c597ec73da1..2e8790e801f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -942,6 +942,8 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	seq_puts(seq, test_opt(sb, BARRIER) ? "1" : "0");
 	if (test_opt(sb, JOURNAL_ASYNC_COMMIT))
 		seq_puts(seq, ",journal_async_commit");
+	else if (test_opt(sb, JOURNAL_CHECKSUM))
+		seq_puts(seq, ",journal_checksum");
 	if (test_opt(sb, NOBH))
 		seq_puts(seq, ",nobh");
 	if (test_opt(sb, I_VERSION))

From 8e48dcfbd7c0892b4cfd064d682cc4c95a29df32 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 16 May 2010 18:00:00 -0400
Subject: [PATCH 1486/3638] ext4: Use our own write_cache_pages()

Make a copy of write_cache_pages() for the benefit of
ext4_da_writepages().  This allows us to simplify the code some, and
will allow us to further customize the code in future patches.

There are some nasty hacks in write_cache_pages(), which Linus has
(correctly) characterized as vile.  I've just copied it into
write_cache_pages_da(), without trying to clean those bits up lest I
break something in the ext4's delalloc implementation, which is a bit
fragile right now.  This will allow Dave Chinner to clean up
write_cache_pages() in mm/page-writeback.c, without worrying about
breaking ext4.  Eventually write_cache_pages_da() will go away when I
rewrite ext4's delayed allocation and create a general
ext4_writepages() which is used for all of ext4's writeback.  Until
now this is the lowest risk way to clean up the core
write_cache_pages() function.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Dave Chinner <david@fromorbit.com>
---
 fs/ext4/inode.c | 141 ++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 119 insertions(+), 22 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 6aa0442811d..830336d3911 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2426,17 +2426,6 @@ static int __mpage_da_writepage(struct page *page,
 	struct buffer_head *bh, *head;
 	sector_t logical;
 
-	if (mpd->io_done) {
-		/*
-		 * Rest of the page in the page_vec
-		 * redirty then and skip then. We will
-		 * try to write them again after
-		 * starting a new transaction
-		 */
-		redirty_page_for_writepage(wbc, page);
-		unlock_page(page);
-		return MPAGE_DA_EXTENT_TAIL;
-	}
 	/*
 	 * Can we merge this page to current extent?
 	 */
@@ -2831,6 +2820,124 @@ static int ext4_da_writepages_trans_blocks(struct inode *inode)
 	return ext4_chunk_trans_blocks(inode, max_blocks);
 }
 
+/*
+ * write_cache_pages_da - walk the list of dirty pages of the given
+ * address space and call the callback function (which usually writes
+ * the pages).
+ *
+ * This is a forked version of write_cache_pages().  Differences:
+ *	Range cyclic is ignored.
+ *	no_nrwrite_index_update is always presumed true
+ */
+static int write_cache_pages_da(struct address_space *mapping,
+				struct writeback_control *wbc,
+				struct mpage_da_data *mpd)
+{
+	int ret = 0;
+	int done = 0;
+	struct pagevec pvec;
+	int nr_pages;
+	pgoff_t index;
+	pgoff_t end;		/* Inclusive */
+	long nr_to_write = wbc->nr_to_write;
+
+	pagevec_init(&pvec, 0);
+	index = wbc->range_start >> PAGE_CACHE_SHIFT;
+	end = wbc->range_end >> PAGE_CACHE_SHIFT;
+
+	while (!done && (index <= end)) {
+		int i;
+
+		nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
+			      PAGECACHE_TAG_DIRTY,
+			      min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1);
+		if (nr_pages == 0)
+			break;
+
+		for (i = 0; i < nr_pages; i++) {
+			struct page *page = pvec.pages[i];
+
+			/*
+			 * At this point, the page may be truncated or
+			 * invalidated (changing page->mapping to NULL), or
+			 * even swizzled back from swapper_space to tmpfs file
+			 * mapping. However, page->index will not change
+			 * because we have a reference on the page.
+			 */
+			if (page->index > end) {
+				done = 1;
+				break;
+			}
+
+			lock_page(page);
+
+			/*
+			 * Page truncated or invalidated. We can freely skip it
+			 * then, even for data integrity operations: the page
+			 * has disappeared concurrently, so there could be no
+			 * real expectation of this data interity operation
+			 * even if there is now a new, dirty page at the same
+			 * pagecache address.
+			 */
+			if (unlikely(page->mapping != mapping)) {
+continue_unlock:
+				unlock_page(page);
+				continue;
+			}
+
+			if (!PageDirty(page)) {
+				/* someone wrote it for us */
+				goto continue_unlock;
+			}
+
+			if (PageWriteback(page)) {
+				if (wbc->sync_mode != WB_SYNC_NONE)
+					wait_on_page_writeback(page);
+				else
+					goto continue_unlock;
+			}
+
+			BUG_ON(PageWriteback(page));
+			if (!clear_page_dirty_for_io(page))
+				goto continue_unlock;
+
+			ret = __mpage_da_writepage(page, wbc, mpd);
+			if (unlikely(ret)) {
+				if (ret == AOP_WRITEPAGE_ACTIVATE) {
+					unlock_page(page);
+					ret = 0;
+				} else {
+					done = 1;
+					break;
+				}
+			}
+
+			if (nr_to_write > 0) {
+				nr_to_write--;
+				if (nr_to_write == 0 &&
+				    wbc->sync_mode == WB_SYNC_NONE) {
+					/*
+					 * We stop writing back only if we are
+					 * not doing integrity sync. In case of
+					 * integrity sync we have to keep going
+					 * because someone may be concurrently
+					 * dirtying pages, and we might have
+					 * synced a lot of newly appeared dirty
+					 * pages, but have not synced all of the
+					 * old dirty pages.
+					 */
+					done = 1;
+					break;
+				}
+			}
+		}
+		pagevec_release(&pvec);
+		cond_resched();
+	}
+	return ret;
+}
+
+
 static int ext4_da_writepages(struct address_space *mapping,
 			      struct writeback_control *wbc)
 {
@@ -2839,7 +2946,6 @@ static int ext4_da_writepages(struct address_space *mapping,
 	handle_t *handle = NULL;
 	struct mpage_da_data mpd;
 	struct inode *inode = mapping->host;
-	int no_nrwrite_index_update;
 	int pages_written = 0;
 	long pages_skipped;
 	unsigned int max_pages;
@@ -2919,12 +3025,6 @@ static int ext4_da_writepages(struct address_space *mapping,
 	mpd.wbc = wbc;
 	mpd.inode = mapping->host;
 
-	/*
-	 * we don't want write_cache_pages to update
-	 * nr_to_write and writeback_index
-	 */
-	no_nrwrite_index_update = wbc->no_nrwrite_index_update;
-	wbc->no_nrwrite_index_update = 1;
 	pages_skipped = wbc->pages_skipped;
 
 retry:
@@ -2966,8 +3066,7 @@ retry:
 		mpd.io_done = 0;
 		mpd.pages_written = 0;
 		mpd.retval = 0;
-		ret = write_cache_pages(mapping, wbc, __mpage_da_writepage,
-					&mpd);
+		ret = write_cache_pages_da(mapping, wbc, &mpd);
 		/*
 		 * If we have a contiguous extent of pages and we
 		 * haven't done the I/O yet, map the blocks and submit
@@ -3033,8 +3132,6 @@ retry:
 		mapping->writeback_index = index;
 
 out_writepages:
-	if (!no_nrwrite_index_update)
-		wbc->no_nrwrite_index_update = 0;
 	wbc->nr_to_write -= nr_to_writebump;
 	wbc->range_start = range_start;
 	trace_ext4_da_writepages_result(inode, wbc, ret, pages_written);

From 0b9dae6aeb0e5397b426e135509046b323740fd5 Mon Sep 17 00:00:00 2001
From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Tue, 4 May 2010 15:01:21 -0700
Subject: [PATCH 1487/3638] [SCSI] qla2xxx: Check for ISP84xx before processing
 to get 84xx firmware version.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_attr.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index c272af4a76e..d416c3599e3 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1198,9 +1198,11 @@ qla24xx_84xx_fw_version_show(struct device *dev,
 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 	struct qla_hw_data *ha = vha->hw;
 
-	if (IS_QLA84XX(ha) && ha->cs84xx)
-		if (ha->cs84xx->op_fw_version == 0)
-			rval = qla84xx_verify_chip(vha, status);
+	if (!IS_QLA84XX(ha))
+		return snprintf(buf, PAGE_SIZE, "\n");
+
+	if (ha->cs84xx && ha->cs84xx->op_fw_version == 0)
+		rval = qla84xx_verify_chip(vha, status);
 
 	if ((rval == QLA_SUCCESS) && (status[0] == 0))
 		return snprintf(buf, PAGE_SIZE, "%u\n",

From 62542f4b05a4515ff75320600ffeb2e7447d25fe Mon Sep 17 00:00:00 2001
From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Tue, 4 May 2010 15:01:22 -0700
Subject: [PATCH 1488/3638] [SCSI] qla2xxx: Display proper link state for
 disconnected ports.

With qla2xxx using mid-layer async-scsi-scanning, the link state for
disconnected port is displayed wrong. Additional check for cable presence
is considered to display proper link state.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_attr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index d416c3599e3..5c98b097cfd 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -987,7 +987,8 @@ qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
 	int len = 0;
 
 	if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
-	    atomic_read(&vha->loop_state) == LOOP_DEAD)
+	    atomic_read(&vha->loop_state) == LOOP_DEAD ||
+	    vha->device_flags & DFLG_NO_CABLE)
 		len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 	else if (atomic_read(&vha->loop_state) != LOOP_READY ||
 	    test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||

From 3e46f031322bdd8d1f11e17fb7cf00c38b08dd55 Mon Sep 17 00:00:00 2001
From: Lalit Chandivade <lalit.chandivade@qlogic.com>
Date: Tue, 4 May 2010 15:01:23 -0700
Subject: [PATCH 1489/3638] [SCSI] qla2xxx: Clear error status after
 uncorrectable non-fatal errors.

Currently error status is cleared only after the uncorrectable fatal errors
in the qla2xxx_pci_slot_reset. This fix is added to clear the error status in
qla2xxx_pci_resume. This way for both fatal and non-fatal errors the error
status gets cleared properly.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=572258

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_os.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index b1adeb71a8b..f2102db0316 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3697,7 +3697,6 @@ qla2xxx_pci_slot_reset(struct pci_dev *pdev)
 		ret =  PCI_ERS_RESULT_RECOVERED;
 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
 
-	pci_cleanup_aer_uncorrect_error_status(pdev);
 
 	DEBUG17(qla_printk(KERN_WARNING, ha,
 	    "slot_reset-return:ret=%x\n", ret));
@@ -3721,6 +3720,8 @@ qla2xxx_pci_resume(struct pci_dev *pdev)
 		    "from slot/link_reset");
 	}
 
+	pci_cleanup_aer_uncorrect_error_status(pdev);
+
 	ha->flags.eeh_busy = 0;
 }
 

From 6a03b4cd78f3f2695a2d0e6343d555b3de0e67c1 Mon Sep 17 00:00:00 2001
From: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Date: Tue, 4 May 2010 15:01:24 -0700
Subject: [PATCH 1490/3638] [SCSI] qla2xxx: Add char device to increase driver
 use count

The driver should not be unloaded if any application is using it.
To disallow driver unload, driver use count must be incremented.
Application uses this char device as handle and increases driver
use count to avoid possible driver unload.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_def.h |  3 ++-
 drivers/scsi/qla2xxx/qla_os.c  | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index edb7a704ed7..d4a53e5549b 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -35,7 +35,8 @@
 
 #include "qla_bsg.h"
 #include "qla_nx.h"
-#define QLA2XXX_DRIVER_NAME  "qla2xxx"
+#define QLA2XXX_DRIVER_NAME	"qla2xxx"
+#define QLA2XXX_APIDEV		"ql2xapidev"
 
 /*
  * We have MAILBOX_REGISTER_COUNT sized arrays in a few places,
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index f2102db0316..10c14af2235 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -24,6 +24,8 @@
  */
 char qla2x00_version_str[40];
 
+static int apidev_major;
+
 /*
  * SRB allocation cache
  */
@@ -3763,6 +3765,10 @@ static struct pci_driver qla2xxx_pci_driver = {
 	.err_handler	= &qla2xxx_err_handler,
 };
 
+static struct file_operations apidev_fops = {
+	.owner = THIS_MODULE,
+};
+
 /**
  * qla2x00_module_init - Module initialization.
  **/
@@ -3791,6 +3797,13 @@ qla2x00_module_init(void)
 		kmem_cache_destroy(srb_cachep);
 		return -ENODEV;
 	}
+
+	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
+	if (apidev_major < 0) {
+		printk(KERN_WARNING "qla2xxx: Unable to register char device "
+		    "%s\n", QLA2XXX_APIDEV);
+	}
+
 	qla2xxx_transport_vport_template =
 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
 	if (!qla2xxx_transport_vport_template) {
@@ -3816,6 +3829,7 @@ qla2x00_module_init(void)
 static void __exit
 qla2x00_module_exit(void)
 {
+	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
 	pci_unregister_driver(&qla2xxx_pci_driver);
 	qla2x00_release_firmware();
 	kmem_cache_destroy(srb_cachep);

From 99b0bec7bbf3350d1a920a7138fa62c456a8ecf1 Mon Sep 17 00:00:00 2001
From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Tue, 4 May 2010 15:01:25 -0700
Subject: [PATCH 1491/3638] [SCSI] qla2xxx: Further generalization of SRB CTX
 infrastructure.

Prepare CTX infrastructure for additional asynchronous
executions, add generic done() operator, pull CMD definitions.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_def.h  | 17 +++++---
 drivers/scsi/qla2xxx/qla_init.c | 43 ++++++++++++++-----
 drivers/scsi/qla2xxx/qla_isr.c  | 74 ++++++++++-----------------------
 3 files changed, 65 insertions(+), 69 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index d4a53e5549b..b3cf6099600 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -214,14 +214,21 @@ typedef struct srb {
 /*
  * SRB extensions.
  */
-struct srb_ctx {
 #define SRB_LOGIN_CMD	1
 #define SRB_LOGOUT_CMD	2
+#define SRB_ELS_CMD_RPT 3
+#define SRB_ELS_CMD_HST 4
+#define SRB_CT_CMD 5
+
+struct srb_ctx {
 	uint16_t type;
+	char *name;
+
 	struct timer_list timer;
 
-	void (*free)(srb_t *sp);
-	void (*timeout)(srb_t *sp);
+	void (*done)(srb_t *);
+	void (*free)(srb_t *);
+	void (*timeout)(srb_t *);
 };
 
 struct srb_logio {
@@ -231,12 +238,10 @@ struct srb_logio {
 #define SRB_LOGIN_COND_PLOGI	BIT_1
 #define SRB_LOGIN_SKIP_PRLI	BIT_2
 	uint16_t flags;
+	uint16_t data[2];
 };
 
 struct srb_bsg_ctx {
-#define SRB_ELS_CMD_RPT 3
-#define SRB_ELS_CMD_HST 4
-#define SRB_CT_CMD 5
 	uint16_t type;
 };
 
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 55540d2d4e3..c3c2c3627a7 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -117,13 +117,22 @@ qla2x00_async_logio_timeout(srb_t *sp)
 
 	DEBUG2(printk(KERN_WARNING
 	    "scsi(%ld:%x): Async-%s timeout.\n",
-	    fcport->vha->host_no, sp->handle,
-	    lio->ctx.type == SRB_LOGIN_CMD ? "login": "logout"));
+	    fcport->vha->host_no, sp->handle, lio->ctx.name));
 
 	if (lio->ctx.type == SRB_LOGIN_CMD)
 		qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 }
 
+static void
+qla2x00_async_login_ctx_done(srb_t *sp)
+{
+	struct srb_logio *lio = sp->ctx;
+
+	qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
+	    lio->data);
+	lio->ctx.free(sp);
+}
+
 int
 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
@@ -141,7 +150,9 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 
 	lio = sp->ctx;
 	lio->ctx.type = SRB_LOGIN_CMD;
+	lio->ctx.name = "login";
 	lio->ctx.timeout = qla2x00_async_logio_timeout;
+	lio->ctx.done = qla2x00_async_login_ctx_done;
 	lio->flags |= SRB_LOGIN_COND_PLOGI;
 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 		lio->flags |= SRB_LOGIN_RETRIED;
@@ -163,6 +174,16 @@ done:
 	return rval;
 }
 
+static void
+qla2x00_async_logout_ctx_done(srb_t *sp)
+{
+	struct srb_logio *lio = sp->ctx;
+
+	qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
+	    lio->data);
+	lio->ctx.free(sp);
+}
+
 int
 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 {
@@ -179,7 +200,9 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 
 	lio = sp->ctx;
 	lio->ctx.type = SRB_LOGOUT_CMD;
+	lio->ctx.name = "logout";
 	lio->ctx.timeout = qla2x00_async_logio_timeout;
+	lio->ctx.done = qla2x00_async_logout_ctx_done;
 	rval = qla2x00_start_sp(sp);
 	if (rval != QLA_SUCCESS)
 		goto done_free_sp;
@@ -202,17 +225,17 @@ qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
 {
 	int rval;
-	uint8_t opts = 0;
 
 	switch (data[0]) {
 	case MBS_COMMAND_COMPLETE:
-		if (fcport->flags & FCF_FCP2_DEVICE)
-			opts |= BIT_1;
-		rval = qla2x00_get_port_database(vha, fcport, opts);
-		if (rval != QLA_SUCCESS)
-			qla2x00_mark_device_lost(vha, fcport, 1, 0);
-		else
-			qla2x00_update_fcport(vha, fcport);
+		if (fcport->flags & FCF_FCP2_DEVICE) {
+			rval = qla2x00_get_port_database(vha, fcport, BIT_1);
+			if (rval != QLA_SUCCESS) {
+				qla2x00_mark_device_lost(vha, fcport, 1, 0);
+				break;
+			}
+		}
+		qla2x00_update_fcport(vha, fcport);
 		break;
 	case MBS_COMMAND_ERROR:
 		if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index f1ac62d505d..037bc41eef5 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -895,34 +895,20 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 {
 	const char func[] = "MBX-IOCB";
 	const char *type;
-	struct qla_hw_data *ha = vha->hw;
 	fc_port_t *fcport;
 	srb_t *sp;
 	struct srb_logio *lio;
-	uint16_t data[2];
+	uint16_t *data;
 
 	sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
 	if (!sp)
 		return;
 
-	type = NULL;
 	lio = sp->ctx;
-	switch (lio->ctx.type) {
-	case SRB_LOGIN_CMD:
-		type = "login";
-		break;
-	case SRB_LOGOUT_CMD:
-		type = "logout";
-		break;
-	default:
-		qla_printk(KERN_WARNING, ha,
-		    "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
-		    lio->ctx.type);
-		return;
-	}
-
 	del_timer(&lio->ctx.timer);
+	type = lio->ctx.name;
 	fcport = sp->fcport;
+	data = lio->data;
 
 	data[0] = data[1] = 0;
 	if (mbx->entry_status) {
@@ -938,7 +924,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 		data[0] = MBS_COMMAND_ERROR;
 		data[1] = lio->flags & SRB_LOGIN_RETRIED ?
 		    QLA_LOGIO_LOGIN_RETRIED: 0;
-		goto done_post_logio_done_work;
+		goto logio_done;
 	}
 
 	if (!mbx->status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
@@ -948,10 +934,14 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 		    le16_to_cpu(mbx->mb1)));
 
 		data[0] = MBS_COMMAND_COMPLETE;
-		if (lio->ctx.type == SRB_LOGIN_CMD && le16_to_cpu(mbx->mb1) & BIT_1)
-			fcport->flags |= FCF_FCP2_DEVICE;
+		if (lio->ctx.type == SRB_LOGIN_CMD)
+			fcport->port_type = FCT_TARGET;
+			if (le16_to_cpu(mbx->mb1) & BIT_0)
+				fcport->port_type = FCT_INITIATOR;
+			if (le16_to_cpu(mbx->mb1) & BIT_1)
+				fcport->flags |= FCF_FCP2_DEVICE;
 
-		goto done_post_logio_done_work;
+		goto logio_done;
 	}
 
 	data[0] = le16_to_cpu(mbx->mb0);
@@ -976,12 +966,8 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 	    le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
 	    le16_to_cpu(mbx->mb7)));
 
-done_post_logio_done_work:
-	lio->ctx.type == SRB_LOGIN_CMD ?
-	    qla2x00_post_async_login_done_work(fcport->vha, fcport, data):
-	    qla2x00_post_async_logout_done_work(fcport->vha, fcport, data);
-
-	lio->ctx.free(sp);
+logio_done:
+	lio->ctx.done(sp);
 }
 
 static void
@@ -1084,35 +1070,21 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 {
 	const char func[] = "LOGIO-IOCB";
 	const char *type;
-	struct qla_hw_data *ha = vha->hw;
 	fc_port_t *fcport;
 	srb_t *sp;
 	struct srb_logio *lio;
-	uint16_t data[2];
+	uint16_t *data;
 	uint32_t iop[2];
 
 	sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
 	if (!sp)
 		return;
 
-	type = NULL;
 	lio = sp->ctx;
-	switch (lio->ctx.type) {
-	case SRB_LOGIN_CMD:
-		type = "login";
-		break;
-	case SRB_LOGOUT_CMD:
-		type = "logout";
-		break;
-	default:
-		qla_printk(KERN_WARNING, ha,
-		    "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
-		    lio->ctx.type);
-		return;
-	}
-
 	del_timer(&lio->ctx.timer);
+	type = lio->ctx.name;
 	fcport = sp->fcport;
+	data = lio->data;
 
 	data[0] = data[1] = 0;
 	if (logio->entry_status) {
@@ -1125,7 +1097,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 		data[0] = MBS_COMMAND_ERROR;
 		data[1] = lio->flags & SRB_LOGIN_RETRIED ?
 		    QLA_LOGIO_LOGIN_RETRIED: 0;
-		goto done_post_logio_done_work;
+		goto logio_done;
 	}
 
 	if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
@@ -1136,7 +1108,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 
 		data[0] = MBS_COMMAND_COMPLETE;
 		if (lio->ctx.type == SRB_LOGOUT_CMD)
-			goto done_post_logio_done_work;
+			goto logio_done;
 
 		iop[0] = le32_to_cpu(logio->io_parameter[0]);
 		if (iop[0] & BIT_4) {
@@ -1151,7 +1123,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 		if (logio->io_parameter[9] || logio->io_parameter[10])
 			fcport->supported_classes |= FC_COS_CLASS3;
 
-		goto done_post_logio_done_work;
+		goto logio_done;
 	}
 
 	iop[0] = le32_to_cpu(logio->io_parameter[0]);
@@ -1184,12 +1156,8 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 	    le32_to_cpu(logio->io_parameter[0]),
 	    le32_to_cpu(logio->io_parameter[1])));
 
-done_post_logio_done_work:
-	lio->ctx.type == SRB_LOGIN_CMD ?
-	    qla2x00_post_async_login_done_work(fcport->vha, fcport, data):
-	    qla2x00_post_async_logout_done_work(fcport->vha, fcport, data);
-
-	lio->ctx.free(sp);
+logio_done:
+	lio->ctx.done(sp);
 }
 
 /**

From 5ff1d58410ffb160b388d622ef0c6a0411a05559 Mon Sep 17 00:00:00 2001
From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Tue, 4 May 2010 15:01:26 -0700
Subject: [PATCH 1492/3638] [SCSI] qla2xxx: Limit mailbox command contention
 for ADISC requests.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_def.h  |  7 +++
 drivers/scsi/qla2xxx/qla_gbl.h  |  8 +++
 drivers/scsi/qla2xxx/qla_init.c | 88 ++++++++++++++++++++++++++++++---
 drivers/scsi/qla2xxx/qla_iocb.c | 39 ++++++++++++++-
 drivers/scsi/qla2xxx/qla_isr.c  | 33 ++++++-------
 drivers/scsi/qla2xxx/qla_os.c   | 31 ++++++++++--
 6 files changed, 178 insertions(+), 28 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index b3cf6099600..a491338e1bf 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -219,6 +219,7 @@ typedef struct srb {
 #define SRB_ELS_CMD_RPT 3
 #define SRB_ELS_CMD_HST 4
 #define SRB_CT_CMD 5
+#define SRB_ADISC_CMD	6
 
 struct srb_ctx {
 	uint16_t type;
@@ -1623,6 +1624,7 @@ typedef struct fc_port {
 #define FCF_FABRIC_DEVICE	BIT_0
 #define FCF_LOGIN_NEEDED	BIT_1
 #define FCF_FCP2_DEVICE		BIT_2
+#define FCF_ASYNC_SENT		BIT_3
 
 /* No loop ID flag. */
 #define FC_NO_LOOP_ID		0x1000
@@ -2156,6 +2158,8 @@ enum qla_work_type {
 	QLA_EVT_ASYNC_LOGIN_DONE,
 	QLA_EVT_ASYNC_LOGOUT,
 	QLA_EVT_ASYNC_LOGOUT_DONE,
+	QLA_EVT_ASYNC_ADISC,
+	QLA_EVT_ASYNC_ADISC_DONE,
 	QLA_EVT_UEVENT,
 };
 
@@ -2514,6 +2518,9 @@ struct qla_hw_data {
 	dma_addr_t	ex_init_cb_dma;
 	struct ex_init_cb_81xx *ex_init_cb;
 
+	void		*async_pd;
+	dma_addr_t	async_pd_dma;
+
 	/* These are used by mailbox operations. */
 	volatile uint16_t mailbox_out[MAILBOX_REGISTER_COUNT];
 
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index cff5a4ae762..03be2984190 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -56,10 +56,14 @@ extern void qla84xx_put_chip(struct scsi_qla_host *);
 extern int qla2x00_async_login(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
 extern int qla2x00_async_logout(struct scsi_qla_host *, fc_port_t *);
+extern int qla2x00_async_adisc(struct scsi_qla_host *, fc_port_t *,
+    uint16_t *);
 extern int qla2x00_async_login_done(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
 extern int qla2x00_async_logout_done(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
+extern int qla2x00_async_adisc_done(struct scsi_qla_host *, fc_port_t *,
+    uint16_t *);
 
 extern fc_port_t *
 qla2x00_alloc_fcport(scsi_qla_host_t *, gfp_t );
@@ -97,6 +101,10 @@ extern int qla2x00_post_async_logout_work(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
 extern int qla2x00_post_async_logout_done_work(struct scsi_qla_host *,
     fc_port_t *, uint16_t *);
+extern int qla2x00_post_async_adisc_work(struct scsi_qla_host *, fc_port_t *,
+    uint16_t *);
+extern int qla2x00_post_async_adisc_done_work(struct scsi_qla_host *,
+    fc_port_t *, uint16_t *);
 extern int qla2x00_post_uevent_work(struct scsi_qla_host *, u32);
 
 extern int qla81xx_restart_mpi_firmware(scsi_qla_host_t *);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index c3c2c3627a7..4e7a3d5493e 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -119,6 +119,7 @@ qla2x00_async_logio_timeout(srb_t *sp)
 	    "scsi(%ld:%x): Async-%s timeout.\n",
 	    fcport->vha->host_no, sp->handle, lio->ctx.name));
 
+	fcport->flags &= ~FCF_ASYNC_SENT;
 	if (lio->ctx.type == SRB_LOGIN_CMD)
 		qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 }
@@ -220,6 +221,56 @@ done:
 	return rval;
 }
 
+static void
+qla2x00_async_adisc_ctx_done(srb_t *sp)
+{
+	struct srb_logio *lio = sp->ctx;
+
+	qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
+	    lio->data);
+	lio->ctx.free(sp);
+}
+
+int
+qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
+    uint16_t *data)
+{
+	struct qla_hw_data *ha = vha->hw;
+	srb_t *sp;
+	struct srb_logio *lio;
+	int rval;
+
+	rval = QLA_FUNCTION_FAILED;
+	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
+	    ELS_TMO_2_RATOV(ha) + 2);
+	if (!sp)
+		goto done;
+
+	lio = sp->ctx;
+	lio->ctx.type = SRB_ADISC_CMD;
+	lio->ctx.name = "adisc";
+	lio->ctx.timeout = qla2x00_async_logio_timeout;
+	lio->ctx.done = qla2x00_async_adisc_ctx_done;
+	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
+		lio->flags |= SRB_LOGIN_RETRIED;
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+
+	DEBUG2(printk(KERN_DEBUG
+	    "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
+	    fcport->vha->host_no, sp->handle, fcport->loop_id,
+	    fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
+
+	return rval;
+
+done_free_sp:
+	del_timer_sync(&lio->ctx.timer);
+	lio->ctx.free(sp);
+done:
+	return rval;
+}
+
 int
 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
@@ -229,15 +280,14 @@ qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 	switch (data[0]) {
 	case MBS_COMMAND_COMPLETE:
 		if (fcport->flags & FCF_FCP2_DEVICE) {
-			rval = qla2x00_get_port_database(vha, fcport, BIT_1);
-			if (rval != QLA_SUCCESS) {
-				qla2x00_mark_device_lost(vha, fcport, 1, 0);
-				break;
-			}
+			fcport->flags |= FCF_ASYNC_SENT;
+			qla2x00_post_async_adisc_work(vha, fcport, data);
+			break;
 		}
 		qla2x00_update_fcport(vha, fcport);
 		break;
 	case MBS_COMMAND_ERROR:
+		fcport->flags &= ~FCF_ASYNC_SENT;
 		if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 		else
@@ -251,6 +301,7 @@ qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 		fcport->loop_id++;
 		rval = qla2x00_find_new_loop_id(vha, fcport);
 		if (rval != QLA_SUCCESS) {
+			fcport->flags &= ~FCF_ASYNC_SENT;
 			qla2x00_mark_device_lost(vha, fcport, 1, 0);
 			break;
 		}
@@ -268,6 +319,26 @@ qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 	return QLA_SUCCESS;
 }
 
+int
+qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
+    uint16_t *data)
+{
+	if (data[0] == MBS_COMMAND_COMPLETE) {
+		qla2x00_update_fcport(vha, fcport);
+
+		return QLA_SUCCESS;
+	}
+
+	/* Retry login. */
+	fcport->flags &= ~FCF_ASYNC_SENT;
+	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
+		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+	else
+		qla2x00_mark_device_lost(vha, fcport, 1, 0);
+
+	return QLA_SUCCESS;
+}
+
 /****************************************************************************/
 /*                QLogic ISP2x00 Hardware Support Functions.                */
 /****************************************************************************/
@@ -2062,6 +2133,7 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
 	if (IS_QLA23XX(ha)) {
 		nv->firmware_options[0] |= BIT_2;
 		nv->firmware_options[0] &= ~BIT_3;
+		nv->firmware_options[0] &= ~BIT_6;
 		nv->add_firmware_options[1] |= BIT_5 | BIT_4;
 
 		if (IS_QLA2300(ha)) {
@@ -2680,7 +2752,7 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
 	    PORT_RETRY_TIME;
 	atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
 	    PORT_RETRY_TIME);
-	fcport->flags &= ~FCF_LOGIN_NEEDED;
+	fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
 
 	qla2x00_iidma_fcport(vha, fcport);
 
@@ -3326,11 +3398,15 @@ qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
 	retry = 0;
 
 	if (IS_ALOGIO_CAPABLE(ha)) {
+		if (fcport->flags & FCF_ASYNC_SENT)
+			return rval;
+		fcport->flags |= FCF_ASYNC_SENT;
 		rval = qla2x00_post_async_login_work(vha, fcport, NULL);
 		if (!rval)
 			return rval;
 	}
 
+	fcport->flags &= ~FCF_ASYNC_SENT;
 	rval = qla2x00_fabric_login(vha, fcport, next_loopid);
 	if (rval == QLA_SUCCESS) {
 		/* Send an ADISC to FCP2 devices.*/
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index d792ae32ed6..8112e41065f 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1053,6 +1053,36 @@ qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx)
 	/* Implicit: mbx->mbx10 = 0. */
 }
 
+static void
+qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio)
+{
+	logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
+	logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC);
+	logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+	logio->vp_index = sp->fcport->vp_idx;
+}
+
+static void
+qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx)
+{
+	struct qla_hw_data *ha = sp->fcport->vha->hw;
+
+	mbx->entry_type = MBX_IOCB_TYPE;
+	SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
+	mbx->mb0 = cpu_to_le16(MBC_GET_PORT_DATABASE);
+	if (HAS_EXTENDED_IDS(ha)) {
+		mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
+		mbx->mb10 = cpu_to_le16(BIT_0);
+	} else {
+		mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | BIT_0);
+	}
+	mbx->mb2 = cpu_to_le16(MSW(ha->async_pd_dma));
+	mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma));
+	mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma)));
+	mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma)));
+	mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
+}
+
 static void
 qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
 {
@@ -1185,12 +1215,12 @@ qla2x00_start_sp(srb_t *sp)
 	switch (ctx->type) {
 	case SRB_LOGIN_CMD:
 		IS_FWI2_CAPABLE(ha) ?
-		    qla24xx_login_iocb(sp, pkt):
+		    qla24xx_login_iocb(sp, pkt) :
 		    qla2x00_login_iocb(sp, pkt);
 		break;
 	case SRB_LOGOUT_CMD:
 		IS_FWI2_CAPABLE(ha) ?
-		    qla24xx_logout_iocb(sp, pkt):
+		    qla24xx_logout_iocb(sp, pkt) :
 		    qla2x00_logout_iocb(sp, pkt);
 		break;
 	case SRB_ELS_CMD_RPT:
@@ -1200,6 +1230,11 @@ qla2x00_start_sp(srb_t *sp)
 	case SRB_CT_CMD:
 		qla24xx_ct_iocb(sp, pkt);
 		break;
+	case SRB_ADISC_CMD:
+		IS_FWI2_CAPABLE(ha) ?
+		    qla24xx_adisc_iocb(sp, pkt) :
+		    qla2x00_adisc_iocb(sp, pkt);
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 037bc41eef5..a1968eb5e9c 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -899,6 +899,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 	srb_t *sp;
 	struct srb_logio *lio;
 	uint16_t *data;
+	uint16_t status;
 
 	sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
 	if (!sp)
@@ -910,7 +911,9 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 	fcport = sp->fcport;
 	data = lio->data;
 
-	data[0] = data[1] = 0;
+	data[0] = MBS_COMMAND_ERROR;
+	data[1] = lio->flags & SRB_LOGIN_RETRIED ?
+	    QLA_LOGIO_LOGIN_RETRIED : 0;
 	if (mbx->entry_status) {
 		DEBUG2(printk(KERN_WARNING
 		    "scsi(%ld:%x): Async-%s error entry - entry-status=%x "
@@ -921,26 +924,27 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 		    le16_to_cpu(mbx->status_flags)));
 		DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx, sizeof(*mbx)));
 
-		data[0] = MBS_COMMAND_ERROR;
-		data[1] = lio->flags & SRB_LOGIN_RETRIED ?
-		    QLA_LOGIO_LOGIN_RETRIED: 0;
 		goto logio_done;
 	}
 
-	if (!mbx->status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
+	status = le16_to_cpu(mbx->status);
+	if (status == 0x30 && lio->ctx.type == SRB_LOGIN_CMD &&
+	    le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
+		status = 0;
+	if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
 		DEBUG2(printk(KERN_DEBUG
 		    "scsi(%ld:%x): Async-%s complete - mbx1=%x.\n",
 		    fcport->vha->host_no, sp->handle, type,
 		    le16_to_cpu(mbx->mb1)));
 
 		data[0] = MBS_COMMAND_COMPLETE;
-		if (lio->ctx.type == SRB_LOGIN_CMD)
+		if (lio->ctx.type == SRB_LOGIN_CMD) {
 			fcport->port_type = FCT_TARGET;
 			if (le16_to_cpu(mbx->mb1) & BIT_0)
 				fcport->port_type = FCT_INITIATOR;
 			if (le16_to_cpu(mbx->mb1) & BIT_1)
 				fcport->flags |= FCF_FCP2_DEVICE;
-
+		}
 		goto logio_done;
 	}
 
@@ -953,15 +957,13 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 		break;
 	default:
 		data[0] = MBS_COMMAND_ERROR;
-		data[1] = lio->flags & SRB_LOGIN_RETRIED ?
-		    QLA_LOGIO_LOGIN_RETRIED: 0;
 		break;
 	}
 
 	DEBUG2(printk(KERN_WARNING
 	    "scsi(%ld:%x): Async-%s failed - status=%x mb0=%x mb1=%x mb2=%x "
 	    "mb6=%x mb7=%x.\n",
-	    fcport->vha->host_no, sp->handle, type, le16_to_cpu(mbx->status),
+	    fcport->vha->host_no, sp->handle, type, status,
 	    le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
 	    le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
 	    le16_to_cpu(mbx->mb7)));
@@ -1086,7 +1088,9 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 	fcport = sp->fcport;
 	data = lio->data;
 
-	data[0] = data[1] = 0;
+	data[0] = MBS_COMMAND_ERROR;
+	data[1] = lio->flags & SRB_LOGIN_RETRIED ?
+		QLA_LOGIO_LOGIN_RETRIED : 0;
 	if (logio->entry_status) {
 		DEBUG2(printk(KERN_WARNING
 		    "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n",
@@ -1094,9 +1098,6 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 		    logio->entry_status));
 		DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio)));
 
-		data[0] = MBS_COMMAND_ERROR;
-		data[1] = lio->flags & SRB_LOGIN_RETRIED ?
-		    QLA_LOGIO_LOGIN_RETRIED: 0;
 		goto logio_done;
 	}
 
@@ -1107,7 +1108,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 		    le32_to_cpu(logio->io_parameter[0])));
 
 		data[0] = MBS_COMMAND_COMPLETE;
-		if (lio->ctx.type == SRB_LOGOUT_CMD)
+		if (lio->ctx.type != SRB_LOGIN_CMD)
 			goto logio_done;
 
 		iop[0] = le32_to_cpu(logio->io_parameter[0]);
@@ -1144,8 +1145,6 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 		/* Fall through. */
 	default:
 		data[0] = MBS_COMMAND_ERROR;
-		data[1] = lio->flags & SRB_LOGIN_RETRIED ?
-		    QLA_LOGIO_LOGIN_RETRIED: 0;
 		break;
 	}
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 10c14af2235..2e083c0d921 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2639,9 +2639,19 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 
 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
 
+	/* Get consistent memory allocated for Async Port-Database. */
+	if (!IS_FWI2_CAPABLE(ha)) {
+		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
+			&ha->async_pd_dma);
+		if (!ha->async_pd)
+			goto fail_async_pd;
+	}
+
 	INIT_LIST_HEAD(&ha->vp_list);
 	return 1;
 
+fail_async_pd:
+	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
 fail_ex_init_cb:
 	kfree(ha->npiv_info);
 fail_npiv_info:
@@ -2757,6 +2767,9 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 		dma_pool_free(ha->s_dma_pool,
 			ha->ex_init_cb, ha->ex_init_cb_dma);
 
+	if (ha->async_pd)
+		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
+
 	if (ha->s_dma_pool)
 		dma_pool_destroy(ha->s_dma_pool);
 
@@ -2809,6 +2822,8 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 	ha->init_cb_dma = 0;
 	ha->ex_init_cb = NULL;
 	ha->ex_init_cb_dma = 0;
+	ha->async_pd = NULL;
+	ha->async_pd_dma = 0;
 
 	ha->s_dma_pool = NULL;
 	ha->dl_dma_pool = NULL;
@@ -2935,6 +2950,8 @@ qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
+qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
+qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
 
 int
 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
@@ -3004,6 +3021,14 @@ qla2x00_do_work(struct scsi_qla_host *vha)
 			qla2x00_async_logout_done(vha, e->u.logio.fcport,
 			    e->u.logio.data);
 			break;
+		case QLA_EVT_ASYNC_ADISC:
+			qla2x00_async_adisc(vha, e->u.logio.fcport,
+			    e->u.logio.data);
+			break;
+		case QLA_EVT_ASYNC_ADISC_DONE:
+			qla2x00_async_adisc_done(vha, e->u.logio.fcport,
+			    e->u.logio.data);
+			break;
 		case QLA_EVT_UEVENT:
 			qla2x00_uevent_emit(vha, e->u.uevent.code);
 			break;
@@ -3029,9 +3054,8 @@ void qla2x00_relogin(struct scsi_qla_host *vha)
 	 * If the port is not ONLINE then try to login
 	 * to it if we haven't run out of retries.
 	 */
-		if (atomic_read(&fcport->state) !=
-			FCS_ONLINE && fcport->login_retry) {
-
+		if (atomic_read(&fcport->state) != FCS_ONLINE &&
+		    fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
 			fcport->login_retry--;
 			if (fcport->flags & FCF_FABRIC_DEVICE) {
 				if (fcport->flags & FCF_FCP2_DEVICE)
@@ -3042,6 +3066,7 @@ void qla2x00_relogin(struct scsi_qla_host *vha)
 							fcport->d_id.b.al_pa);
 
 				if (IS_ALOGIO_CAPABLE(ha)) {
+					fcport->flags |= FCF_ASYNC_SENT;
 					data[0] = 0;
 					data[1] = QLA_LOGIO_LOGIN_RETRIED;
 					status = qla2x00_post_async_login_work(

From b7d2280c153b33fc60f1a89406d2329137a8b61c Mon Sep 17 00:00:00 2001
From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Tue, 4 May 2010 15:01:27 -0700
Subject: [PATCH 1493/3638] [SCSI] qla2xxx: Cleanup FCP-command-status
 processing debug statements.

Migrate to a consistent set of debug entries during status-IOCB
handling:

* group CS_TIMEOUT handling with CS_PORT_UNAVAILABLE and the like
  (more regrouping of common behaviour).

* drop CS_DATA_OVERRUN handling as it now falls into the
  'default' case (still returns DID_ERROR).

* consolidate CS_RESET and CS_ABORTED handling, as we the only
  functional difference was a printk() (still returns DID_RESET).

* dropped all the earlier inconsistent [qla_]printk()s sprinkled
  throught the needlessly large case-statement.  Failure case
  I/Os are now logged with a 'standard' format:

	<command failure details>
	<command generic details>

  so, for example a dropped-frame is logged as:

	qla2xxx 0000:13:00.0: scsi(16:0:0) Dropped frame(s) detected (4000 of 4000 bytes).
	qla2xxx 0000:13:00.0: scsi(16:0:0) FCP command status: 0x15-0x18 (70018) \
    oxid=78 ser=76 cdb=280000 len=4000 rsp_info=0 resid=0 fw_resid=4000

  which should now convey all relevant information.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_isr.c | 194 +++++++++++----------------------
 1 file changed, 64 insertions(+), 130 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index a1968eb5e9c..b92f9a6ee4f 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1283,6 +1283,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 	struct sts_entry_24xx *sts24;
 	uint16_t	comp_status;
 	uint16_t	scsi_status;
+	uint16_t	ox_id;
 	uint8_t		lscsi_status;
 	int32_t		resid;
 	uint32_t	sense_len, rsp_info_len, resid_len, fw_resid_len;
@@ -1291,6 +1292,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 	uint32_t handle;
 	uint16_t que;
 	struct req_que *req;
+	int logit = 1;
 
 	sts = (sts_entry_t *) pkt;
 	sts24 = (struct sts_entry_24xx *) pkt;
@@ -1320,9 +1322,9 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		sp = NULL;
 
 	if (sp == NULL) {
-		DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n",
-		    vha->host_no));
-		qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n");
+		qla_printk(KERN_WARNING, ha,
+		    "scsi(%ld): Invalid status handle (0x%x).\n", vha->host_no,
+		    sts->handle);
 
 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 		qla2xxx_wake_dpc(vha);
@@ -1330,10 +1332,9 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 	}
 	cp = sp->cmd;
 	if (cp == NULL) {
-		DEBUG2(printk("scsi(%ld): Command already returned back to OS "
-		    "pkt->handle=%d sp=%p.\n", vha->host_no, handle, sp));
 		qla_printk(KERN_WARNING, ha,
-		    "Command is NULL: already returned to OS (sp=%p)\n", sp);
+		    "scsi(%ld): Command already returned (0x%x/%p).\n",
+		    vha->host_no, sts->handle, sp);
 
 		return;
 	}
@@ -1342,6 +1343,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 
 	fcport = sp->fcport;
 
+	ox_id = 0;
 	sense_len = rsp_info_len = resid_len = fw_resid_len = 0;
 	if (IS_FWI2_CAPABLE(ha)) {
 		if (scsi_status & SS_SENSE_LEN_VALID)
@@ -1355,6 +1357,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		rsp_info = sts24->data;
 		sense_data = sts24->data;
 		host_to_fcp_swap(sts24->data, sizeof(sts24->data));
+		ox_id = le16_to_cpu(sts24->ox_id);
 	} else {
 		if (scsi_status & SS_SENSE_LEN_VALID)
 			sense_len = le16_to_cpu(sts->req_sense_length);
@@ -1371,17 +1374,13 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		if (IS_FWI2_CAPABLE(ha))
 			sense_data += rsp_info_len;
 		if (rsp_info_len > 3 && rsp_info[3]) {
-			DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
-			    "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..."
-			    "retrying command\n", vha->host_no,
-			    cp->device->channel, cp->device->id,
-			    cp->device->lun, rsp_info_len, rsp_info[0],
-			    rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4],
-			    rsp_info[5], rsp_info[6], rsp_info[7]));
+			DEBUG2(qla_printk(KERN_INFO, ha,
+			    "scsi(%ld:%d:%d): FCP I/O protocol failure "
+			    "(0x%x/0x%x).\n", vha->host_no, cp->device->id,
+			    cp->device->lun, rsp_info_len, rsp_info[3]));
 
 			cp->result = DID_BUS_BUSY << 16;
-			qla2x00_sp_compl(ha, sp);
-			return;
+			goto out;
 		}
 	}
 
@@ -1408,12 +1407,10 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 			    ((unsigned)(scsi_bufflen(cp) - resid) <
 			     cp->underflow)) {
 				qla_printk(KERN_INFO, ha,
-					   "scsi(%ld:%d:%d:%d): Mid-layer underflow "
-					   "detected (%x of %x bytes)...returning "
-					   "error status.\n", vha->host_no,
-					   cp->device->channel, cp->device->id,
-					   cp->device->lun, resid,
-					   scsi_bufflen(cp));
+				    "scsi(%ld:%d:%d): Mid-layer underflow "
+				    "detected (0x%x of 0x%x bytes).\n",
+				    vha->host_no, cp->device->id,
+				    cp->device->lun, resid, scsi_bufflen(cp));
 
 				cp->result = DID_ERROR << 16;
 				break;
@@ -1422,12 +1419,12 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		cp->result = DID_OK << 16 | lscsi_status;
 
 		if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
-			DEBUG2(printk(KERN_INFO
-			    "scsi(%ld): QUEUE FULL status detected "
-			    "0x%x-0x%x.\n", vha->host_no, comp_status,
-			    scsi_status));
+			DEBUG2(qla_printk(KERN_INFO, ha,
+			    "scsi(%ld:%d:%d) QUEUE FULL detected.\n",
+			    vha->host_no, cp->device->id, cp->device->lun));
 			break;
 		}
+		logit = 0;
 		if (lscsi_status != SS_CHECK_CONDITION)
 			break;
 
@@ -1439,23 +1436,14 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		break;
 
 	case CS_DATA_UNDERRUN:
-		DEBUG2(printk(KERN_INFO
-		    "scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x. "
-		    "resid=0x%x fw_resid=0x%x cdb=0x%x os_underflow=0x%x\n",
-		    vha->host_no, cp->device->id, cp->device->lun, comp_status,
-		    scsi_status, resid_len, fw_resid_len, cp->cmnd[0],
-		    cp->underflow));
-
 		/* Use F/W calculated residual length. */
 		resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
 		scsi_set_resid(cp, resid);
 		if (scsi_status & SS_RESIDUAL_UNDER) {
 			if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
-				DEBUG2(printk(
-				    "scsi(%ld:%d:%d:%d) Dropped frame(s) "
-				    "detected (%x of %x bytes)...residual "
-				    "length mismatch...retrying command.\n",
-				    vha->host_no, cp->device->channel,
+				DEBUG2(qla_printk(KERN_INFO, ha,
+				    "scsi(%ld:%d:%d) Dropped frame(s) detected "
+				    "(0x%x of 0x%x bytes).\n", vha->host_no,
 				    cp->device->id, cp->device->lun, resid,
 				    scsi_bufflen(cp)));
 
@@ -1467,21 +1455,18 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 			    ((unsigned)(scsi_bufflen(cp) - resid) <
 			    cp->underflow)) {
 				qla_printk(KERN_INFO, ha,
-				    "scsi(%ld:%d:%d:%d): Mid-layer underflow "
-				    "detected (%x of %x bytes)...returning "
-				    "error status.\n", vha->host_no,
-				    cp->device->channel, cp->device->id,
+				    "scsi(%ld:%d:%d): Mid-layer underflow "
+				    "detected (0x%x of 0x%x bytes).\n",
+				    vha->host_no, cp->device->id,
 				    cp->device->lun, resid, scsi_bufflen(cp));
 
 				cp->result = DID_ERROR << 16;
 				break;
 			}
 		} else if (!lscsi_status) {
-			DEBUG2(printk(
-			    "scsi(%ld:%d:%d:%d) Dropped frame(s) detected "
-			    "(%x of %x bytes)...firmware reported underrun..."
-			    "retrying command.\n", vha->host_no,
-			    cp->device->channel, cp->device->id,
+			DEBUG2(qla_printk(KERN_INFO, ha,
+			    "scsi(%ld:%d:%d) Dropped frame(s) detected (0x%x "
+			    "of 0x%x bytes).\n", vha->host_no, cp->device->id,
 			    cp->device->lun, resid, scsi_bufflen(cp)));
 
 			cp->result = DID_ERROR << 16;
@@ -1489,6 +1474,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		}
 
 		cp->result = DID_OK << 16 | lscsi_status;
+		logit = 0;
 
 		/*
 		 * Check to see if SCSI Status is non zero. If so report SCSI
@@ -1496,10 +1482,11 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		 */
 		if (lscsi_status != 0) {
 			if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
-				DEBUG2(printk(KERN_INFO
-				    "scsi(%ld): QUEUE FULL status detected "
-				    "0x%x-0x%x.\n", vha->host_no, comp_status,
-				    scsi_status));
+				DEBUG2(qla_printk(KERN_INFO, ha,
+				    "scsi(%ld:%d:%d) QUEUE FULL detected.\n",
+				    vha->host_no, cp->device->id,
+				    cp->device->lun));
+				logit = 1;
 				break;
 			}
 			if (lscsi_status != SS_CHECK_CONDITION)
@@ -1513,70 +1500,11 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		}
 		break;
 
-	case CS_DATA_OVERRUN:
-		DEBUG2(printk(KERN_INFO
-		    "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n",
-		    vha->host_no, cp->device->id, cp->device->lun, comp_status,
-		    scsi_status));
-		DEBUG2(printk(KERN_INFO
-		    "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
-		    cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3],
-		    cp->cmnd[4], cp->cmnd[5]));
-		DEBUG2(printk(KERN_INFO
-		    "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
-		    "status!\n",
-		    cp->serial_number, scsi_bufflen(cp), resid_len));
-
-		cp->result = DID_ERROR << 16;
-		break;
-
 	case CS_PORT_LOGGED_OUT:
 	case CS_PORT_CONFIG_CHG:
 	case CS_PORT_BUSY:
 	case CS_INCOMPLETE:
 	case CS_PORT_UNAVAILABLE:
-		/*
-		 * If the port is in Target Down state, return all IOs for this
-		 * Target with DID_NO_CONNECT ELSE Queue the IOs in the
-		 * retry_queue.
-		 */
-		DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down "
-		    "pid=%ld, compl status=0x%x, port state=0x%x\n",
-		    vha->host_no, cp->device->id, cp->device->lun,
-		    cp->serial_number, comp_status,
-		    atomic_read(&fcport->state)));
-
-		/*
-		 * We are going to have the fc class block the rport
-		 * while we try to recover so instruct the mid layer
-		 * to requeue until the class decides how to handle this.
-		 */
-		cp->result = DID_TRANSPORT_DISRUPTED << 16;
-		if (atomic_read(&fcport->state) == FCS_ONLINE)
-			qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
-		break;
-
-	case CS_RESET:
-		DEBUG2(printk(KERN_INFO
-		    "scsi(%ld): RESET status detected 0x%x-0x%x.\n",
-		    vha->host_no, comp_status, scsi_status));
-
-		cp->result = DID_RESET << 16;
-		break;
-
-	case CS_ABORTED:
-		/*
-		 * hv2.19.12 - DID_ABORT does not retry the request if we
-		 * aborted this request then abort otherwise it must be a
-		 * reset.
-		 */
-		DEBUG2(printk(KERN_INFO
-		    "scsi(%ld): ABORT status detected 0x%x-0x%x.\n",
-		    vha->host_no, comp_status, scsi_status));
-
-		cp->result = DID_RESET << 16;
-		break;
-
 	case CS_TIMEOUT:
 		/*
 		 * We are going to have the fc class block the rport
@@ -1585,37 +1513,43 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		 */
 		cp->result = DID_TRANSPORT_DISRUPTED << 16;
 
-		if (IS_FWI2_CAPABLE(ha)) {
-			DEBUG2(printk(KERN_INFO
-			    "scsi(%ld:%d:%d:%d): TIMEOUT status detected "
-			    "0x%x-0x%x\n", vha->host_no, cp->device->channel,
-			    cp->device->id, cp->device->lun, comp_status,
-			    scsi_status));
-			break;
+		if (comp_status == CS_TIMEOUT) {
+			if (IS_FWI2_CAPABLE(ha))
+				break;
+			else if ((le16_to_cpu(sts->status_flags) &
+			    SF_LOGOUT_SENT) == 0)
+				break;
 		}
-		DEBUG2(printk(KERN_INFO
-		    "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x "
-		    "sflags=%x.\n", vha->host_no, cp->device->channel,
-		    cp->device->id, cp->device->lun, comp_status, scsi_status,
-		    le16_to_cpu(sts->status_flags)));
 
-		/* Check to see if logout occurred. */
-		if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT))
+		DEBUG2(qla_printk(KERN_INFO, ha,
+			"scsi(%ld:%d:%d) Port down status: port-state=0x%x\n",
+			vha->host_no, cp->device->id, cp->device->lun,
+			atomic_read(&fcport->state)));
+
+		if (atomic_read(&fcport->state) == FCS_ONLINE)
 			qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
 		break;
 
+	case CS_RESET:
+	case CS_ABORTED:
+		cp->result = DID_RESET << 16;
+		break;
 	default:
-		DEBUG3(printk("scsi(%ld): Error detected (unknown status) "
-		    "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status));
-		qla_printk(KERN_INFO, ha,
-		    "Unknown status detected 0x%x-0x%x.\n",
-		    comp_status, scsi_status);
-
 		cp->result = DID_ERROR << 16;
 		break;
 	}
 
-	/* Place command on done queue. */
+out:
+	if (logit)
+		DEBUG2(qla_printk(KERN_INFO, ha,
+		    "scsi(%ld:%d:%d) FCP command status: 0x%x-0x%x (0x%x) "
+		    "oxid=0x%x ser=0x%lx cdb=%02x%02x%02x len=0x%x "
+		    "rsp_info=0x%x resid=0x%x fw_resid=0x%x\n", vha->host_no,
+		    cp->device->id, cp->device->lun, comp_status, scsi_status,
+		    cp->result, ox_id, cp->serial_number, cp->cmnd[0],
+		    cp->cmnd[1], cp->cmnd[2], scsi_bufflen(cp), rsp_info_len,
+		    resid_len, fw_resid_len));
+
 	if (rsp->status_srb == NULL)
 		qla2x00_sp_compl(ha, sp);
 }

From 4916392b56921b4aaaeaca3ef492135f42fbb5f2 Mon Sep 17 00:00:00 2001
From: Madhuranath Iyengar <madhuranath.iyengar@qlogic.com>
Date: Tue, 4 May 2010 15:01:28 -0700
Subject: [PATCH 1494/3638] [SCSI] qla2xxx: Provide common framework for BSG
 and IOCB commands.

Currently, BSG and IOCB/Logio commands have a different
framework (srb structs). The purpose of this effort is to
consolidate them into a generalized framework for these
as well as other asynchronous operations in the future.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_bsg.c  |  28 +++----
 drivers/scsi/qla2xxx/qla_def.h  |  48 ++++++------
 drivers/scsi/qla2xxx/qla_gbl.h  |   6 +-
 drivers/scsi/qla2xxx/qla_init.c | 135 ++++++++++++++++++--------------
 drivers/scsi/qla2xxx/qla_iocb.c |  24 +++---
 drivers/scsi/qla2xxx/qla_isr.c  |  50 ++++++------
 drivers/scsi/qla2xxx/qla_os.c   |  13 +--
 7 files changed, 162 insertions(+), 142 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 21e5bcd4bb5..951db816ee4 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -16,7 +16,7 @@ qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
 {
 	srb_t *sp;
 	struct qla_hw_data *ha = vha->hw;
-	struct srb_bsg_ctx *ctx;
+	struct srb_ctx *ctx;
 
 	sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
 	if (!sp)
@@ -208,7 +208,7 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
 	int req_sg_cnt, rsp_sg_cnt;
 	int rval =  (DRIVER_ERROR << 16);
 	uint16_t nextlid = 0;
-	struct srb_bsg *els;
+	struct srb_ctx *els;
 
 	/*  Multiple SG's are not supported for ELS requests */
 	if (bsg_job->request_payload.sg_cnt > 1 ||
@@ -307,17 +307,17 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
 	}
 
 	/* Alloc SRB structure */
-	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
+	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
 	if (!sp) {
 		rval = -ENOMEM;
 		goto done_unmap_sg;
 	}
 
 	els = sp->ctx;
-	els->ctx.type =
+	els->type =
 		(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
 		SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
-	els->bsg_job = bsg_job;
+	els->u.bsg_job = bsg_job;
 
 	DEBUG2(qla_printk(KERN_INFO, ha,
 		"scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
@@ -361,7 +361,7 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 	uint16_t loop_id;
 	struct fc_port *fcport;
 	char  *type = "FC_BSG_HST_CT";
-	struct srb_bsg *ct;
+	struct srb_ctx *ct;
 
 	/* pass through is supported only for ISP 4Gb or higher */
 	if (!IS_FWI2_CAPABLE(ha)) {
@@ -442,15 +442,15 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 	fcport->loop_id = loop_id;
 
 	/* Alloc SRB structure */
-	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
+	sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
 	if (!sp) {
 		rval = -ENOMEM;
 		goto done_free_fcport;
 	}
 
 	ct = sp->ctx;
-	ct->ctx.type = SRB_CT_CMD;
-	ct->bsg_job = bsg_job;
+	ct->type = SRB_CT_CMD;
+	ct->u.bsg_job = bsg_job;
 
 	DEBUG2(qla_printk(KERN_INFO, ha,
 		"scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
@@ -1155,7 +1155,7 @@ qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
 	int cnt, que;
 	unsigned long flags;
 	struct req_que *req;
-	struct srb_bsg *sp_bsg;
+	struct srb_ctx *sp_bsg;
 
 	/* find the bsg job from the active list of commands */
 	spin_lock_irqsave(&ha->hardware_lock, flags);
@@ -1167,11 +1167,11 @@ qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
 		for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 			sp = req->outstanding_cmds[cnt];
 			if (sp) {
-				sp_bsg = (struct srb_bsg *)sp->ctx;
+				sp_bsg = sp->ctx;
 
-				if (((sp_bsg->ctx.type == SRB_CT_CMD) ||
-					(sp_bsg->ctx.type == SRB_ELS_CMD_HST))
-					&& (sp_bsg->bsg_job == bsg_job)) {
+				if (((sp_bsg->type == SRB_CT_CMD) ||
+					(sp_bsg->type == SRB_ELS_CMD_HST))
+					&& (sp_bsg->u.bsg_job == bsg_job)) {
 					if (ha->isp_ops->abort_command(sp)) {
 						DEBUG2(qla_printk(KERN_INFO, ha,
 						    "scsi(%ld): mbx "
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a491338e1bf..08f5fd5359d 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -214,16 +214,16 @@ typedef struct srb {
 /*
  * SRB extensions.
  */
-#define SRB_LOGIN_CMD	1
-#define SRB_LOGOUT_CMD	2
-#define SRB_ELS_CMD_RPT 3
-#define SRB_ELS_CMD_HST 4
-#define SRB_CT_CMD 5
-#define SRB_ADISC_CMD	6
-
-struct srb_ctx {
-	uint16_t type;
-	char *name;
+struct srb_iocb {
+	union {
+		struct {
+			uint16_t flags;
+#define SRB_LOGIN_RETRIED	BIT_0
+#define SRB_LOGIN_COND_PLOGI	BIT_1
+#define SRB_LOGIN_SKIP_PRLI	BIT_2
+			uint16_t data[2];
+		} logio;
+	} u;
 
 	struct timer_list timer;
 
@@ -232,23 +232,21 @@ struct srb_ctx {
 	void (*timeout)(srb_t *);
 };
 
-struct srb_logio {
-	struct srb_ctx ctx;
+/* Values for srb_ctx type */
+#define SRB_LOGIN_CMD	1
+#define SRB_LOGOUT_CMD	2
+#define SRB_ELS_CMD_RPT 3
+#define SRB_ELS_CMD_HST 4
+#define SRB_CT_CMD	5
+#define SRB_ADISC_CMD	6
 
-#define SRB_LOGIN_RETRIED	BIT_0
-#define SRB_LOGIN_COND_PLOGI	BIT_1
-#define SRB_LOGIN_SKIP_PRLI	BIT_2
-	uint16_t flags;
-	uint16_t data[2];
-};
-
-struct srb_bsg_ctx {
+struct srb_ctx {
 	uint16_t type;
-};
-
-struct srb_bsg {
-	struct srb_bsg_ctx ctx;
-	struct fc_bsg_job *bsg_job;
+	char *name;
+	union {
+		struct srb_iocb *iocb_cmd;
+		struct fc_bsg_job *bsg_job;
+	} u;
 };
 
 struct msg_echo_lb {
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 03be2984190..408e5f0a53c 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -58,11 +58,11 @@ extern int qla2x00_async_login(struct scsi_qla_host *, fc_port_t *,
 extern int qla2x00_async_logout(struct scsi_qla_host *, fc_port_t *);
 extern int qla2x00_async_adisc(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
-extern int qla2x00_async_login_done(struct scsi_qla_host *, fc_port_t *,
+extern void qla2x00_async_login_done(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
-extern int qla2x00_async_logout_done(struct scsi_qla_host *, fc_port_t *,
+extern void qla2x00_async_logout_done(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
-extern int qla2x00_async_adisc_done(struct scsi_qla_host *, fc_port_t *,
+extern void qla2x00_async_adisc_done(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
 
 extern fc_port_t *
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 4e7a3d5493e..72b4ef27015 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -48,6 +48,7 @@ qla2x00_ctx_sp_timeout(unsigned long __data)
 {
 	srb_t *sp = (srb_t *)__data;
 	struct srb_ctx *ctx;
+	struct srb_iocb *iocb;
 	fc_port_t *fcport = sp->fcport;
 	struct qla_hw_data *ha = fcport->vha->hw;
 	struct req_que *req;
@@ -57,17 +58,21 @@ qla2x00_ctx_sp_timeout(unsigned long __data)
 	req = ha->req_q_map[0];
 	req->outstanding_cmds[sp->handle] = NULL;
 	ctx = sp->ctx;
-	ctx->timeout(sp);
+	iocb = ctx->u.iocb_cmd;
+	iocb->timeout(sp);
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-	ctx->free(sp);
+	iocb->free(sp);
 }
 
 void
 qla2x00_ctx_sp_free(srb_t *sp)
 {
 	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *iocb = ctx->u.iocb_cmd;
 
+	del_timer_sync(&iocb->timer);
+	kfree(iocb);
 	kfree(ctx);
 	mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
 }
@@ -79,6 +84,7 @@ qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
 	srb_t *sp;
 	struct qla_hw_data *ha = vha->hw;
 	struct srb_ctx *ctx;
+	struct srb_iocb *iocb;
 
 	sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
 	if (!sp)
@@ -86,21 +92,30 @@ qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
 	ctx = kzalloc(size, GFP_KERNEL);
 	if (!ctx) {
 		mempool_free(sp, ha->srb_mempool);
+		sp = NULL;
+		goto done;
+	}
+	iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
+	if (!iocb) {
+		mempool_free(sp, ha->srb_mempool);
+		sp = NULL;
+		kfree(ctx);
 		goto done;
 	}
 
 	memset(sp, 0, sizeof(*sp));
 	sp->fcport = fcport;
 	sp->ctx = ctx;
-	ctx->free = qla2x00_ctx_sp_free;
+	ctx->u.iocb_cmd = iocb;
+	iocb->free = qla2x00_ctx_sp_free;
 
-	init_timer(&ctx->timer);
+	init_timer(&iocb->timer);
 	if (!tmo)
 		goto done;
-	ctx->timer.expires = jiffies + tmo * HZ;
-	ctx->timer.data = (unsigned long)sp;
-	ctx->timer.function = qla2x00_ctx_sp_timeout;
-	add_timer(&ctx->timer);
+	iocb->timer.expires = jiffies + tmo * HZ;
+	iocb->timer.data = (unsigned long)sp;
+	iocb->timer.function = qla2x00_ctx_sp_timeout;
+	add_timer(&iocb->timer);
 done:
 	return sp;
 }
@@ -113,25 +128,26 @@ static void
 qla2x00_async_logio_timeout(srb_t *sp)
 {
 	fc_port_t *fcport = sp->fcport;
-	struct srb_logio *lio = sp->ctx;
+	struct srb_ctx *ctx = sp->ctx;
 
 	DEBUG2(printk(KERN_WARNING
 	    "scsi(%ld:%x): Async-%s timeout.\n",
-	    fcport->vha->host_no, sp->handle, lio->ctx.name));
+	    fcport->vha->host_no, sp->handle, ctx->name));
 
 	fcport->flags &= ~FCF_ASYNC_SENT;
-	if (lio->ctx.type == SRB_LOGIN_CMD)
+	if (ctx->type == SRB_LOGIN_CMD)
 		qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 }
 
 static void
 qla2x00_async_login_ctx_done(srb_t *sp)
 {
-	struct srb_logio *lio = sp->ctx;
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *lio = ctx->u.iocb_cmd;
 
 	qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
-	    lio->data);
-	lio->ctx.free(sp);
+		lio->u.logio.data);
+	lio->free(sp);
 }
 
 int
@@ -140,23 +156,25 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 {
 	struct qla_hw_data *ha = vha->hw;
 	srb_t *sp;
-	struct srb_logio *lio;
+	struct srb_ctx *ctx;
+	struct srb_iocb *lio;
 	int rval;
 
 	rval = QLA_FUNCTION_FAILED;
-	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
+	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 	    ELS_TMO_2_RATOV(ha) + 2);
 	if (!sp)
 		goto done;
 
-	lio = sp->ctx;
-	lio->ctx.type = SRB_LOGIN_CMD;
-	lio->ctx.name = "login";
-	lio->ctx.timeout = qla2x00_async_logio_timeout;
-	lio->ctx.done = qla2x00_async_login_ctx_done;
-	lio->flags |= SRB_LOGIN_COND_PLOGI;
+	ctx = sp->ctx;
+	ctx->type = SRB_LOGIN_CMD;
+	ctx->name = "login";
+	lio = ctx->u.iocb_cmd;
+	lio->timeout = qla2x00_async_logio_timeout;
+	lio->done = qla2x00_async_login_ctx_done;
+	lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
-		lio->flags |= SRB_LOGIN_RETRIED;
+		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 	rval = qla2x00_start_sp(sp);
 	if (rval != QLA_SUCCESS)
 		goto done_free_sp;
@@ -169,8 +187,7 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 	return rval;
 
 done_free_sp:
-	del_timer_sync(&lio->ctx.timer);
-	lio->ctx.free(sp);
+	lio->free(sp);
 done:
 	return rval;
 }
@@ -178,11 +195,12 @@ done:
 static void
 qla2x00_async_logout_ctx_done(srb_t *sp)
 {
-	struct srb_logio *lio = sp->ctx;
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *lio = ctx->u.iocb_cmd;
 
 	qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
-	    lio->data);
-	lio->ctx.free(sp);
+	    lio->u.logio.data);
+	lio->free(sp);
 }
 
 int
@@ -190,20 +208,22 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 {
 	struct qla_hw_data *ha = vha->hw;
 	srb_t *sp;
-	struct srb_logio *lio;
+	struct srb_ctx *ctx;
+	struct srb_iocb *lio;
 	int rval;
 
 	rval = QLA_FUNCTION_FAILED;
-	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
+	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 	    ELS_TMO_2_RATOV(ha) + 2);
 	if (!sp)
 		goto done;
 
-	lio = sp->ctx;
-	lio->ctx.type = SRB_LOGOUT_CMD;
-	lio->ctx.name = "logout";
-	lio->ctx.timeout = qla2x00_async_logio_timeout;
-	lio->ctx.done = qla2x00_async_logout_ctx_done;
+	ctx = sp->ctx;
+	ctx->type = SRB_LOGOUT_CMD;
+	ctx->name = "logout";
+	lio = ctx->u.iocb_cmd;
+	lio->timeout = qla2x00_async_logio_timeout;
+	lio->done = qla2x00_async_logout_ctx_done;
 	rval = qla2x00_start_sp(sp);
 	if (rval != QLA_SUCCESS)
 		goto done_free_sp;
@@ -215,8 +235,7 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 	return rval;
 
 done_free_sp:
-	del_timer_sync(&lio->ctx.timer);
-	lio->ctx.free(sp);
+	lio->free(sp);
 done:
 	return rval;
 }
@@ -224,11 +243,12 @@ done:
 static void
 qla2x00_async_adisc_ctx_done(srb_t *sp)
 {
-	struct srb_logio *lio = sp->ctx;
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *lio = ctx->u.iocb_cmd;
 
 	qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
-	    lio->data);
-	lio->ctx.free(sp);
+	    lio->u.logio.data);
+	lio->free(sp);
 }
 
 int
@@ -237,22 +257,24 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 {
 	struct qla_hw_data *ha = vha->hw;
 	srb_t *sp;
-	struct srb_logio *lio;
+	struct srb_ctx *ctx;
+	struct srb_iocb *lio;
 	int rval;
 
 	rval = QLA_FUNCTION_FAILED;
-	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
+	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 	    ELS_TMO_2_RATOV(ha) + 2);
 	if (!sp)
 		goto done;
 
-	lio = sp->ctx;
-	lio->ctx.type = SRB_ADISC_CMD;
-	lio->ctx.name = "adisc";
-	lio->ctx.timeout = qla2x00_async_logio_timeout;
-	lio->ctx.done = qla2x00_async_adisc_ctx_done;
+	ctx = sp->ctx;
+	ctx->type = SRB_ADISC_CMD;
+	ctx->name = "adisc";
+	lio = ctx->u.iocb_cmd;
+	lio->timeout = qla2x00_async_logio_timeout;
+	lio->done = qla2x00_async_adisc_ctx_done;
 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
-		lio->flags |= SRB_LOGIN_RETRIED;
+		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 	rval = qla2x00_start_sp(sp);
 	if (rval != QLA_SUCCESS)
 		goto done_free_sp;
@@ -265,13 +287,12 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 	return rval;
 
 done_free_sp:
-	del_timer_sync(&lio->ctx.timer);
-	lio->ctx.free(sp);
+	lio->free(sp);
 done:
 	return rval;
 }
 
-int
+void
 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
 {
@@ -308,25 +329,25 @@ qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 		qla2x00_post_async_login_work(vha, fcport, NULL);
 		break;
 	}
-	return QLA_SUCCESS;
+	return;
 }
 
-int
+void
 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
 {
 	qla2x00_mark_device_lost(vha, fcport, 1, 0);
-	return QLA_SUCCESS;
+	return;
 }
 
-int
+void
 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
 {
 	if (data[0] == MBS_COMMAND_COMPLETE) {
 		qla2x00_update_fcport(vha, fcport);
 
-		return QLA_SUCCESS;
+		return;
 	}
 
 	/* Retry login. */
@@ -336,7 +357,7 @@ qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 	else
 		qla2x00_mark_device_lost(vha, fcport, 1, 0);
 
-	return QLA_SUCCESS;
+	return;
 }
 
 /****************************************************************************/
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 8112e41065f..8861b88319f 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -983,13 +983,14 @@ qla2x00_start_iocbs(srb_t *sp)
 static void
 qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
 {
-	struct srb_logio *lio = sp->ctx;
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *lio = ctx->u.iocb_cmd;
 
 	logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
 	logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI);
-	if (lio->flags & SRB_LOGIN_COND_PLOGI)
+	if (lio->u.logio.flags & SRB_LOGIN_COND_PLOGI)
 		logio->control_flags |= cpu_to_le16(LCF_COND_PLOGI);
-	if (lio->flags & SRB_LOGIN_SKIP_PRLI)
+	if (lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI)
 		logio->control_flags |= cpu_to_le16(LCF_SKIP_PRLI);
 	logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
 	logio->port_id[0] = sp->fcport->d_id.b.al_pa;
@@ -1002,14 +1003,15 @@ static void
 qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx)
 {
 	struct qla_hw_data *ha = sp->fcport->vha->hw;
-	struct srb_logio *lio = sp->ctx;
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *lio = ctx->u.iocb_cmd;
 	uint16_t opts;
 
 	mbx->entry_type = MBX_IOCB_TYPE;;
 	SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
 	mbx->mb0 = cpu_to_le16(MBC_LOGIN_FABRIC_PORT);
-	opts = lio->flags & SRB_LOGIN_COND_PLOGI ? BIT_0: 0;
-	opts |= lio->flags & SRB_LOGIN_SKIP_PRLI ? BIT_1: 0;
+	opts = lio->u.logio.flags & SRB_LOGIN_COND_PLOGI ? BIT_0 : 0;
+	opts |= lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI ? BIT_1 : 0;
 	if (HAS_EXTENDED_IDS(ha)) {
 		mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
 		mbx->mb10 = cpu_to_le16(opts);
@@ -1086,7 +1088,7 @@ qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx)
 static void
 qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
 {
-	struct fc_bsg_job *bsg_job = ((struct srb_bsg*)sp->ctx)->bsg_job;
+	struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
 
         els_iocb->entry_type = ELS_IOCB_TYPE;
         els_iocb->entry_count = 1;
@@ -1099,8 +1101,10 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
         els_iocb->sof_type = EST_SOFI3;
         els_iocb->rx_dsd_count = __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt);
 
-        els_iocb->opcode =(((struct srb_bsg*)sp->ctx)->ctx.type == SRB_ELS_CMD_RPT) ?
-	    bsg_job->request->rqst_data.r_els.els_code : bsg_job->request->rqst_data.h_els.command_code;
+	els_iocb->opcode =
+	    (((struct srb_ctx *)sp->ctx)->type == SRB_ELS_CMD_RPT) ?
+	    bsg_job->request->rqst_data.r_els.els_code :
+	    bsg_job->request->rqst_data.h_els.command_code;
         els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
         els_iocb->port_id[1] = sp->fcport->d_id.b.area;
         els_iocb->port_id[2] = sp->fcport->d_id.b.domain;
@@ -1134,7 +1138,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
 	int index;
 	uint16_t tot_dsds;
         scsi_qla_host_t *vha = sp->fcport->vha;
-	struct fc_bsg_job *bsg_job = ((struct srb_bsg*)sp->ctx)->bsg_job;
+	struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
 	int loop_iterartion = 0;
 	int cont_iocb_prsnt = 0;
 	int entry_count = 1;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index b92f9a6ee4f..166bb2045fd 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -897,7 +897,8 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 	const char *type;
 	fc_port_t *fcport;
 	srb_t *sp;
-	struct srb_logio *lio;
+	struct srb_iocb *lio;
+	struct srb_ctx *ctx;
 	uint16_t *data;
 	uint16_t status;
 
@@ -905,14 +906,14 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 	if (!sp)
 		return;
 
-	lio = sp->ctx;
-	del_timer(&lio->ctx.timer);
-	type = lio->ctx.name;
+	ctx = sp->ctx;
+	lio = ctx->u.iocb_cmd;
+	type = ctx->name;
 	fcport = sp->fcport;
-	data = lio->data;
+	data = lio->u.logio.data;
 
 	data[0] = MBS_COMMAND_ERROR;
-	data[1] = lio->flags & SRB_LOGIN_RETRIED ?
+	data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 	    QLA_LOGIO_LOGIN_RETRIED : 0;
 	if (mbx->entry_status) {
 		DEBUG2(printk(KERN_WARNING
@@ -928,7 +929,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 	}
 
 	status = le16_to_cpu(mbx->status);
-	if (status == 0x30 && lio->ctx.type == SRB_LOGIN_CMD &&
+	if (status == 0x30 && ctx->type == SRB_LOGIN_CMD &&
 	    le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
 		status = 0;
 	if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
@@ -938,7 +939,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 		    le16_to_cpu(mbx->mb1)));
 
 		data[0] = MBS_COMMAND_COMPLETE;
-		if (lio->ctx.type == SRB_LOGIN_CMD) {
+		if (ctx->type == SRB_LOGIN_CMD) {
 			fcport->port_type = FCT_TARGET;
 			if (le16_to_cpu(mbx->mb1) & BIT_0)
 				fcport->port_type = FCT_INITIATOR;
@@ -969,7 +970,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
 	    le16_to_cpu(mbx->mb7)));
 
 logio_done:
-	lio->ctx.done(sp);
+	lio->done(sp);
 }
 
 static void
@@ -980,7 +981,7 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
 	const char *type;
 	struct qla_hw_data *ha = vha->hw;
 	srb_t *sp;
-	struct srb_bsg *sp_bsg;
+	struct srb_ctx *sp_bsg;
 	struct fc_bsg_job *bsg_job;
 	uint16_t comp_status;
 	uint32_t fw_status[3];
@@ -989,11 +990,11 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
 	sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
 	if (!sp)
 		return;
-	sp_bsg = (struct srb_bsg*)sp->ctx;
-	bsg_job = sp_bsg->bsg_job;
+	sp_bsg = sp->ctx;
+	bsg_job = sp_bsg->u.bsg_job;
 
 	type = NULL;
-	switch (sp_bsg->ctx.type) {
+	switch (sp_bsg->type) {
 	case SRB_ELS_CMD_RPT:
 	case SRB_ELS_CMD_HST:
 		type = "els";
@@ -1004,7 +1005,7 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
 	default:
 		qla_printk(KERN_WARNING, ha,
 		    "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
-		    sp_bsg->ctx.type);
+		    sp_bsg->type);
 		return;
 	}
 
@@ -1058,8 +1059,8 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
 	dma_unmap_sg(&ha->pdev->dev,
 	    bsg_job->reply_payload.sg_list,
 	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
-	if ((sp_bsg->ctx.type == SRB_ELS_CMD_HST) ||
-	    (sp_bsg->ctx.type == SRB_CT_CMD))
+	if ((sp_bsg->type == SRB_ELS_CMD_HST) ||
+	    (sp_bsg->type == SRB_CT_CMD))
 		kfree(sp->fcport);
 	kfree(sp->ctx);
 	mempool_free(sp, ha->srb_mempool);
@@ -1074,7 +1075,8 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 	const char *type;
 	fc_port_t *fcport;
 	srb_t *sp;
-	struct srb_logio *lio;
+	struct srb_iocb *lio;
+	struct srb_ctx *ctx;
 	uint16_t *data;
 	uint32_t iop[2];
 
@@ -1082,14 +1084,14 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 	if (!sp)
 		return;
 
-	lio = sp->ctx;
-	del_timer(&lio->ctx.timer);
-	type = lio->ctx.name;
+	ctx = sp->ctx;
+	lio = ctx->u.iocb_cmd;
+	type = ctx->name;
 	fcport = sp->fcport;
-	data = lio->data;
+	data = lio->u.logio.data;
 
 	data[0] = MBS_COMMAND_ERROR;
-	data[1] = lio->flags & SRB_LOGIN_RETRIED ?
+	data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 		QLA_LOGIO_LOGIN_RETRIED : 0;
 	if (logio->entry_status) {
 		DEBUG2(printk(KERN_WARNING
@@ -1108,7 +1110,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 		    le32_to_cpu(logio->io_parameter[0])));
 
 		data[0] = MBS_COMMAND_COMPLETE;
-		if (lio->ctx.type != SRB_LOGIN_CMD)
+		if (ctx->type != SRB_LOGIN_CMD)
 			goto logio_done;
 
 		iop[0] = le32_to_cpu(logio->io_parameter[0]);
@@ -1156,7 +1158,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
 	    le32_to_cpu(logio->io_parameter[1])));
 
 logio_done:
-	lio->ctx.done(sp);
+	lio->done(sp);
 }
 
 /**
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2e083c0d921..70651f9fa65 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1191,24 +1191,19 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
 					ctx = sp->ctx;
 					if (ctx->type == SRB_LOGIN_CMD ||
 					    ctx->type == SRB_LOGOUT_CMD) {
-						del_timer_sync(&ctx->timer);
-						ctx->free(sp);
+						ctx->u.iocb_cmd->free(sp);
 					} else {
-						struct srb_bsg *sp_bsg =
-						    (struct srb_bsg *)sp->ctx;
 						struct fc_bsg_job *bsg_job =
-						    sp_bsg->bsg_job;
-
+						    ctx->u.bsg_job;
 						if (bsg_job->request->msgcode
 						    == FC_BSG_HST_CT)
 							kfree(sp->fcport);
 						bsg_job->req->errors = 0;
 						bsg_job->reply->result = res;
-						bsg_job->job_done(
-						    sp_bsg->bsg_job);
+						bsg_job->job_done(bsg_job);
 						kfree(sp->ctx);
 						mempool_free(sp,
-						    ha->srb_mempool);
+							ha->srb_mempool);
 					}
 				}
 			}

From 3822263eb1e74821ad1ae886ddd2184ae9395ff7 Mon Sep 17 00:00:00 2001
From: Madhuranath Iyengar <madhuranath.iyengar@qlogic.com>
Date: Tue, 4 May 2010 15:01:29 -0700
Subject: [PATCH 1495/3638] [SCSI] qla2xxx: Support for asynchronous TM and
 Marker IOCBs.

Currently we can only issue the task management (TM)
commands via the mailbox mechanism. This is a limitation,
since only one mailbox command can be issued at a time.
The purpose of this effort is to provide support for
issuing and processing the respose to TM and Marker
IOCBs asynchronously. Towards achieving this, the
consolidated srb architecture that is currently used for
BSG and IOCB/Logio commands has been enhanced and used.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_bsg.c  |   4 +
 drivers/scsi/qla2xxx/qla_def.h  |  22 +++++
 drivers/scsi/qla2xxx/qla_gbl.h  |   7 ++
 drivers/scsi/qla2xxx/qla_init.c | 156 +++++++++++++++++++++++++++++++-
 drivers/scsi/qla2xxx/qla_iocb.c |  64 +++++++++++++
 drivers/scsi/qla2xxx/qla_isr.c  | 102 +++++++++++++++++++++
 drivers/scsi/qla2xxx/qla_mbx.c  |  10 ++
 drivers/scsi/qla2xxx/qla_os.c   |   5 +
 8 files changed, 366 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 951db816ee4..b905dfe5ea6 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -317,6 +317,9 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
 	els->type =
 		(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
 		SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
+	els->name =
+		(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
+		"bsg_els_rpt" : "bsg_els_hst");
 	els->u.bsg_job = bsg_job;
 
 	DEBUG2(qla_printk(KERN_INFO, ha,
@@ -450,6 +453,7 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
 
 	ct = sp->ctx;
 	ct->type = SRB_CT_CMD;
+	ct->name = "bsg_ct";
 	ct->u.bsg_job = bsg_job;
 
 	DEBUG2(qla_printk(KERN_INFO, ha,
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 08f5fd5359d..0d2cecbb8f4 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -223,6 +223,26 @@ struct srb_iocb {
 #define SRB_LOGIN_SKIP_PRLI	BIT_2
 			uint16_t data[2];
 		} logio;
+		struct {
+			/*
+			 * Values for flags field below are as
+			 * defined in tsk_mgmt_entry struct
+			 * for control_flags field in qla_fw.h.
+			 */
+			uint32_t flags;
+			uint32_t lun;
+			uint32_t data;
+		} tmf;
+		struct {
+			/*
+			 * values for modif field below are as
+			 * defined in mrk_entry_24xx struct
+			 * for the modifier field in qla_fw.h.
+			 */
+			uint8_t modif;
+			uint16_t lun;
+			uint32_t data;
+		} marker;
 	} u;
 
 	struct timer_list timer;
@@ -239,6 +259,8 @@ struct srb_iocb {
 #define SRB_ELS_CMD_HST 4
 #define SRB_CT_CMD	5
 #define SRB_ADISC_CMD	6
+#define SRB_TM_CMD	7
+#define SRB_MARKER_CMD	8
 
 struct srb_ctx {
 	uint16_t type;
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 408e5f0a53c..3dbefe1a6b5 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -58,12 +58,18 @@ extern int qla2x00_async_login(struct scsi_qla_host *, fc_port_t *,
 extern int qla2x00_async_logout(struct scsi_qla_host *, fc_port_t *);
 extern int qla2x00_async_adisc(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
+extern int qla2x00_async_tm_cmd(fc_port_t *, uint32_t, uint32_t, uint32_t);
+extern int qla2x00_async_marker(fc_port_t *, uint16_t, uint8_t);
 extern void qla2x00_async_login_done(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
 extern void qla2x00_async_logout_done(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
 extern void qla2x00_async_adisc_done(struct scsi_qla_host *, fc_port_t *,
     uint16_t *);
+extern void qla2x00_async_tm_cmd_done(struct scsi_qla_host *, fc_port_t *,
+	struct srb_iocb *);
+extern void qla2x00_async_marker_done(struct scsi_qla_host *, fc_port_t *,
+	struct srb_iocb *);
 
 extern fc_port_t *
 qla2x00_alloc_fcport(scsi_qla_host_t *, gfp_t );
@@ -87,6 +93,7 @@ extern int ql2xetsenable;
 extern int ql2xshiftctondsd;
 extern int ql2xdbwr;
 extern int ql2xdontresethba;
+extern int ql2xasynctmfenable;
 
 extern int qla2x00_loop_reset(scsi_qla_host_t *);
 extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 72b4ef27015..e78089ded51 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -125,7 +125,7 @@ done:
 #define ELS_TMO_2_RATOV(ha) ((ha)->r_a_tov / 10 * 2)
 
 static void
-qla2x00_async_logio_timeout(srb_t *sp)
+qla2x00_async_iocb_timeout(srb_t *sp)
 {
 	fc_port_t *fcport = sp->fcport;
 	struct srb_ctx *ctx = sp->ctx;
@@ -170,7 +170,7 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 	ctx->type = SRB_LOGIN_CMD;
 	ctx->name = "login";
 	lio = ctx->u.iocb_cmd;
-	lio->timeout = qla2x00_async_logio_timeout;
+	lio->timeout = qla2x00_async_iocb_timeout;
 	lio->done = qla2x00_async_login_ctx_done;
 	lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
@@ -222,7 +222,7 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 	ctx->type = SRB_LOGOUT_CMD;
 	ctx->name = "logout";
 	lio = ctx->u.iocb_cmd;
-	lio->timeout = qla2x00_async_logio_timeout;
+	lio->timeout = qla2x00_async_iocb_timeout;
 	lio->done = qla2x00_async_logout_ctx_done;
 	rval = qla2x00_start_sp(sp);
 	if (rval != QLA_SUCCESS)
@@ -271,7 +271,7 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 	ctx->type = SRB_ADISC_CMD;
 	ctx->name = "adisc";
 	lio = ctx->u.iocb_cmd;
-	lio->timeout = qla2x00_async_logio_timeout;
+	lio->timeout = qla2x00_async_iocb_timeout;
 	lio->done = qla2x00_async_adisc_ctx_done;
 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
@@ -292,6 +292,112 @@ done:
 	return rval;
 }
 
+static void
+qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
+{
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
+
+	qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
+	iocb->free(sp);
+}
+
+int
+qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
+	uint32_t tag)
+{
+	struct scsi_qla_host *vha = fcport->vha;
+	struct qla_hw_data *ha = vha->hw;
+	srb_t *sp;
+	struct srb_ctx *ctx;
+	struct srb_iocb *tcf;
+	int rval;
+
+	rval = QLA_FUNCTION_FAILED;
+	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
+	    ELS_TMO_2_RATOV(ha) + 2);
+	if (!sp)
+		goto done;
+
+	ctx = sp->ctx;
+	ctx->type = SRB_TM_CMD;
+	ctx->name = "tmf";
+	tcf = ctx->u.iocb_cmd;
+	tcf->u.tmf.flags = flags;
+	tcf->u.tmf.lun = lun;
+	tcf->u.tmf.data = tag;
+	tcf->timeout = qla2x00_async_iocb_timeout;
+	tcf->done = qla2x00_async_tm_cmd_ctx_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+
+	DEBUG2(printk(KERN_DEBUG
+	    "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
+	    fcport->vha->host_no, sp->handle, fcport->loop_id,
+	    fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
+
+	return rval;
+
+done_free_sp:
+	tcf->free(sp);
+done:
+	return rval;
+}
+
+static void
+qla2x00_async_marker_ctx_done(srb_t *sp)
+{
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
+
+	qla2x00_async_marker_done(sp->fcport->vha, sp->fcport, iocb);
+	iocb->free(sp);
+}
+
+int
+qla2x00_async_marker(fc_port_t *fcport, uint16_t lun, uint8_t modif)
+{
+	struct scsi_qla_host *vha = fcport->vha;
+	srb_t *sp;
+	struct srb_ctx *ctx;
+	struct srb_iocb *mrk;
+	int rval;
+
+	rval = QLA_FUNCTION_FAILED;
+	sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx), 0);
+	if (!sp)
+		goto done;
+
+	ctx = sp->ctx;
+	ctx->type = SRB_MARKER_CMD;
+	ctx->name = "marker";
+	mrk = ctx->u.iocb_cmd;
+	mrk->u.marker.lun = lun;
+	mrk->u.marker.modif = modif;
+	mrk->timeout = qla2x00_async_iocb_timeout;
+	mrk->done = qla2x00_async_marker_ctx_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+
+	DEBUG2(printk(KERN_DEBUG
+	    "scsi(%ld:%x): Async-marker - loop-id=%x "
+	    "portid=%02x%02x%02x.\n",
+	    fcport->vha->host_no, sp->handle, fcport->loop_id,
+	    fcport->d_id.b.domain, fcport->d_id.b.area,
+	    fcport->d_id.b.al_pa));
+
+	return rval;
+
+done_free_sp:
+	mrk->free(sp);
+done:
+	return rval;
+}
+
 void
 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
@@ -360,6 +466,48 @@ qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 	return;
 }
 
+void
+qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
+    struct srb_iocb *iocb)
+{
+	int rval;
+	uint32_t flags;
+	uint16_t lun;
+
+	flags = iocb->u.tmf.flags;
+	lun = (uint16_t)iocb->u.tmf.lun;
+
+	/* Issue Marker IOCB */
+	rval = qla2x00_async_marker(fcport, lun,
+		flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
+
+	if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
+		DEBUG2_3_11(printk(KERN_WARNING
+			"%s(%ld): TM IOCB failed (%x).\n",
+			__func__, vha->host_no, rval));
+	}
+
+	return;
+}
+
+void
+qla2x00_async_marker_done(struct scsi_qla_host *vha, fc_port_t *fcport,
+    struct srb_iocb *iocb)
+{
+	/*
+	 * Currently we dont have any specific post response processing
+	 * for this IOCB. We'll just return success or failed
+	 * depending on whether the IOCB command succeeded or failed.
+	 */
+	if (iocb->u.tmf.data) {
+		DEBUG2_3_11(printk(KERN_WARNING
+		    "%s(%ld): Marker IOCB failed (%x).\n",
+		    __func__, vha->host_no, iocb->u.tmf.data));
+	}
+
+	return;
+}
+
 /****************************************************************************/
 /*                QLogic ISP2x00 Hardware Support Functions.                */
 /****************************************************************************/
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 8861b88319f..d7a9fff15ad 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1085,6 +1085,64 @@ qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx)
 	mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
 }
 
+static void
+qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk)
+{
+	uint32_t flags;
+	unsigned int lun;
+	struct fc_port *fcport = sp->fcport;
+	scsi_qla_host_t *vha = fcport->vha;
+	struct qla_hw_data *ha = vha->hw;
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *iocb = ctx->u.iocb_cmd;
+	struct req_que *req = vha->req;
+
+	flags = iocb->u.tmf.flags;
+	lun = iocb->u.tmf.lun;
+
+	tsk->entry_type = TSK_MGMT_IOCB_TYPE;
+	tsk->entry_count = 1;
+	tsk->handle = MAKE_HANDLE(req->id, tsk->handle);
+	tsk->nport_handle = cpu_to_le16(fcport->loop_id);
+	tsk->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
+	tsk->control_flags = cpu_to_le32(flags);
+	tsk->port_id[0] = fcport->d_id.b.al_pa;
+	tsk->port_id[1] = fcport->d_id.b.area;
+	tsk->port_id[2] = fcport->d_id.b.domain;
+	tsk->vp_index = fcport->vp_idx;
+
+	if (flags == TCF_LUN_RESET) {
+		int_to_scsilun(lun, &tsk->lun);
+		host_to_fcp_swap((uint8_t *)&tsk->lun,
+			sizeof(tsk->lun));
+	}
+}
+
+static void
+qla24xx_marker_iocb(srb_t *sp, struct mrk_entry_24xx *mrk)
+{
+	uint16_t lun;
+	uint8_t modif;
+	struct fc_port *fcport = sp->fcport;
+	scsi_qla_host_t *vha = fcport->vha;
+	struct srb_ctx *ctx = sp->ctx;
+	struct srb_iocb *iocb = ctx->u.iocb_cmd;
+	struct req_que *req = vha->req;
+
+	lun = iocb->u.marker.lun;
+	modif = iocb->u.marker.modif;
+	mrk->entry_type = MARKER_TYPE;
+	mrk->modifier = modif;
+	if (modif !=  MK_SYNC_ALL) {
+		mrk->nport_handle = cpu_to_le16(fcport->loop_id);
+		mrk->lun[1] = LSB(lun);
+		mrk->lun[2] = MSB(lun);
+		host_to_fcp_swap(mrk->lun, sizeof(mrk->lun));
+		mrk->vp_index = vha->vp_idx;
+		mrk->handle = MAKE_HANDLE(req->id, mrk->handle);
+	}
+}
+
 static void
 qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
 {
@@ -1239,6 +1297,12 @@ qla2x00_start_sp(srb_t *sp)
 		    qla24xx_adisc_iocb(sp, pkt) :
 		    qla2x00_adisc_iocb(sp, pkt);
 		break;
+	case SRB_TM_CMD:
+		qla24xx_tm_iocb(sp, pkt);
+		break;
+	case SRB_MARKER_CMD:
+		qla24xx_marker_iocb(sp, pkt);
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 166bb2045fd..eed71ea1d94 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1161,6 +1161,99 @@ logio_done:
 	lio->done(sp);
 }
 
+static void
+qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
+    struct tsk_mgmt_entry *tsk)
+{
+	const char func[] = "TMF-IOCB";
+	const char *type;
+	fc_port_t *fcport;
+	srb_t *sp;
+	struct srb_iocb *iocb;
+	struct srb_ctx *ctx;
+	struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
+	int error = 1;
+
+	sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
+	if (!sp)
+		return;
+
+	ctx = sp->ctx;
+	iocb = ctx->u.iocb_cmd;
+	type = ctx->name;
+	fcport = sp->fcport;
+
+	if (sts->entry_status) {
+		DEBUG2(printk(KERN_WARNING
+		    "scsi(%ld:%x): Async-%s error - entry-status(%x).\n",
+		    fcport->vha->host_no, sp->handle, type,
+		    sts->entry_status));
+	} else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
+		DEBUG2(printk(KERN_WARNING
+		    "scsi(%ld:%x): Async-%s error - completion status(%x).\n",
+		    fcport->vha->host_no, sp->handle, type,
+		    sts->comp_status));
+	} else if (!(le16_to_cpu(sts->scsi_status) &
+	    SS_RESPONSE_INFO_LEN_VALID)) {
+		DEBUG2(printk(KERN_WARNING
+		    "scsi(%ld:%x): Async-%s error - no response info(%x).\n",
+		    fcport->vha->host_no, sp->handle, type,
+		    sts->scsi_status));
+	} else if (le32_to_cpu(sts->rsp_data_len) < 4) {
+		DEBUG2(printk(KERN_WARNING
+		    "scsi(%ld:%x): Async-%s error - not enough response(%d).\n",
+		    fcport->vha->host_no, sp->handle, type,
+		    sts->rsp_data_len));
+	} else if (sts->data[3]) {
+		DEBUG2(printk(KERN_WARNING
+		    "scsi(%ld:%x): Async-%s error - response(%x).\n",
+		    fcport->vha->host_no, sp->handle, type,
+		    sts->data[3]));
+	} else {
+		error = 0;
+	}
+
+	if (error) {
+		iocb->u.tmf.data = error;
+		DEBUG2(qla2x00_dump_buffer((uint8_t *)sts, sizeof(*sts)));
+	}
+
+	iocb->done(sp);
+}
+
+static void
+qla24xx_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
+    struct mrk_entry_24xx *mrk)
+{
+	const char func[] = "MRK-IOCB";
+	const char *type;
+	fc_port_t *fcport;
+	srb_t *sp;
+	struct srb_iocb *iocb;
+	struct srb_ctx *ctx;
+	struct sts_entry_24xx *sts = (struct sts_entry_24xx *)mrk;
+
+	sp = qla2x00_get_sp_from_handle(vha, func, req, mrk);
+	if (!sp)
+		return;
+
+	ctx = sp->ctx;
+	iocb = ctx->u.iocb_cmd;
+	type = ctx->name;
+	fcport = sp->fcport;
+
+	if (sts->entry_status) {
+		iocb->u.marker.data = 1;
+		DEBUG2(printk(KERN_WARNING
+		    "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n",
+		    fcport->vha->host_no, sp->handle, type,
+		    sts->entry_status));
+		DEBUG2(qla2x00_dump_buffer((uint8_t *)mrk, sizeof(*sts)));
+	}
+
+	iocb->done(sp);
+}
+
 /**
  * qla2x00_process_response_queue() - Process response queue entries.
  * @ha: SCSI driver HA context
@@ -1225,6 +1318,7 @@ qla2x00_process_response_queue(struct rsp_que *rsp)
 		case MBX_IOCB_TYPE:
 			qla2x00_mbx_iocb_entry(vha, rsp->req,
 			    (struct mbx_entry *)pkt);
+			break;
 		default:
 			/* Type Not Supported. */
 			DEBUG4(printk(KERN_WARNING
@@ -1751,6 +1845,14 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
 			qla24xx_logio_entry(vha, rsp->req,
 			    (struct logio_entry_24xx *)pkt);
 			break;
+		case TSK_MGMT_IOCB_TYPE:
+			qla24xx_tm_iocb_entry(vha, rsp->req,
+			    (struct tsk_mgmt_entry *)pkt);
+			break;
+		case MARKER_TYPE:
+			qla24xx_marker_iocb_entry(vha, rsp->req,
+			    (struct mrk_entry_24xx *)pkt);
+			break;
                 case CT_IOCB_TYPE:
 			qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
 			clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 2f303322806..f3650d0434c 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2464,12 +2464,22 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
 int
 qla24xx_abort_target(struct fc_port *fcport, unsigned int l, int tag)
 {
+	struct qla_hw_data *ha = fcport->vha->hw;
+
+	if ((ql2xasynctmfenable) && IS_FWI2_CAPABLE(ha))
+		return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
+
 	return __qla24xx_issue_tmf("Target", TCF_TARGET_RESET, fcport, l, tag);
 }
 
 int
 qla24xx_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
 {
+	struct qla_hw_data *ha = fcport->vha->hw;
+
+	if ((ql2xasynctmfenable) && IS_FWI2_CAPABLE(ha))
+		return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
+
 	return __qla24xx_issue_tmf("Lun", TCF_LUN_RESET, fcport, l, tag);
 }
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 70651f9fa65..523d414b59a 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -142,6 +142,11 @@ MODULE_PARM_DESC(ql2xdontresethba,
 	" 1 -- Do not reset on failure.\n");
 
 
+int ql2xasynctmfenable;
+module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xasynctmfenable,
+		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
+		"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 /*
  * SCSI host template entry points
  */

From bad750028917a7b804623701d0674e46c6012c18 Mon Sep 17 00:00:00 2001
From: Arun Easi <arun.easi@qlogic.com>
Date: Tue, 4 May 2010 15:01:30 -0700
Subject: [PATCH 1496/3638] [SCSI] qla2xxx: T10 DIF support added.

Signed-off-by: Duane Grigsby <duane.grigsby@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_attr.c   |  16 +
 drivers/scsi/qla2xxx/qla_dbg.c    |  58 +++
 drivers/scsi/qla2xxx/qla_dbg.h    |  10 +
 drivers/scsi/qla2xxx/qla_def.h    |  84 +++-
 drivers/scsi/qla2xxx/qla_fw.h     |  47 ++-
 drivers/scsi/qla2xxx/qla_gbl.h    |   4 +
 drivers/scsi/qla2xxx/qla_inline.h |  16 +
 drivers/scsi/qla2xxx/qla_iocb.c   | 678 +++++++++++++++++++++++++++++-
 drivers/scsi/qla2xxx/qla_isr.c    |  77 ++++
 drivers/scsi/qla2xxx/qla_os.c     |  75 +++-
 10 files changed, 1053 insertions(+), 12 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 5c98b097cfd..62a22cfae20 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1726,6 +1726,22 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
 			fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
 	}
 
+	if (IS_QLA25XX(ha) && ql2xenabledif) {
+		if (ha->fw_attributes & BIT_4) {
+			vha->flags.difdix_supported = 1;
+			DEBUG18(qla_printk(KERN_INFO, ha,
+			    "Registering for DIF/DIX type 1 and 3"
+			    " protection.\n"));
+			scsi_host_set_prot(vha->host,
+			    SHOST_DIF_TYPE1_PROTECTION
+			    | SHOST_DIF_TYPE3_PROTECTION
+			    | SHOST_DIX_TYPE1_PROTECTION
+			    | SHOST_DIX_TYPE3_PROTECTION);
+			scsi_host_set_guard(vha->host, SHOST_DIX_GUARD_CRC);
+		} else
+			vha->flags.difdix_supported = 0;
+	}
+
 	if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
 				   &ha->pdev->dev)) {
 		DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 89bfc119010..2afc8a362f2 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -1663,4 +1663,62 @@ qla2x00_dump_buffer(uint8_t * b, uint32_t size)
 		printk("\n");
 }
 
+void
+qla2x00_dump_buffer_zipped(uint8_t *b, uint32_t size)
+{
+	uint32_t cnt;
+	uint8_t c;
+	uint8_t  last16[16], cur16[16];
+	uint32_t lc = 0, num_same16 = 0, j;
 
+	printk(KERN_DEBUG " 0   1   2   3   4   5   6   7   8   9  "
+	    "Ah  Bh  Ch  Dh  Eh  Fh\n");
+	printk(KERN_DEBUG "----------------------------------------"
+	    "----------------------\n");
+
+	for (cnt = 0; cnt < size;) {
+		c = *b++;
+
+		cur16[lc++] = c;
+
+		cnt++;
+		if (cnt % 16)
+			continue;
+
+		/* We have 16 now */
+		lc = 0;
+		if (num_same16 == 0) {
+			memcpy(last16, cur16, 16);
+			num_same16++;
+			continue;
+		}
+		if (memcmp(cur16, last16, 16) == 0) {
+			num_same16++;
+			continue;
+		}
+		for (j = 0; j < 16; j++)
+			printk(KERN_DEBUG "%02x  ", (uint32_t)last16[j]);
+		printk(KERN_DEBUG "\n");
+
+		if (num_same16 > 1)
+			printk(KERN_DEBUG "> prev pattern repeats (%u)"
+			    "more times\n", num_same16-1);
+		memcpy(last16, cur16, 16);
+		num_same16 = 1;
+	}
+
+	if (num_same16) {
+		for (j = 0; j < 16; j++)
+			printk(KERN_DEBUG "%02x  ", (uint32_t)last16[j]);
+		printk(KERN_DEBUG "\n");
+
+		if (num_same16 > 1)
+			printk(KERN_DEBUG "> prev pattern repeats (%u)"
+			    "more times\n", num_same16-1);
+	}
+	if (lc) {
+		for (j = 0; j < lc; j++)
+			printk(KERN_DEBUG "%02x  ", (uint32_t)cur16[j]);
+		printk(KERN_DEBUG "\n");
+	}
+}
diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h
index d6d9c86cb05..916c81f3f55 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.h
+++ b/drivers/scsi/qla2xxx/qla_dbg.h
@@ -27,6 +27,9 @@
 /* #define QL_DEBUG_LEVEL_15 */ /* Output NPIV trace msgs */
 /* #define QL_DEBUG_LEVEL_16 */ /* Output ISP84XX trace msgs */
 /* #define QL_DEBUG_LEVEL_17 */ /* Output EEH trace messages */
+/* #define QL_DEBUG_LEVEL_18 */ /* Output T10 CRC trace messages */
+
+/* #define QL_PRINTK_BUF */ /* Captures printk to buffer */
 
 /*
 * Macros use for debugging the driver.
@@ -139,6 +142,13 @@
 #define DEBUG17(x)	do {} while (0)
 #endif
 
+#if defined(QL_DEBUG_LEVEL_18)
+#define DEBUG18(x)	do {if (ql2xextended_error_logging) x; } while (0)
+#else
+#define DEBUG18(x)	do {} while (0)
+#endif
+
+
 /*
  * Firmware Dump structure definition
  */
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 0d2cecbb8f4..4559f5c6c1a 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -188,6 +188,16 @@
 
 struct req_que;
 
+/*
+ * (sd.h is not exported, hence local inclusion)
+ * Data Integrity Field tuple.
+ */
+struct sd_dif_tuple {
+	__be16 guard_tag;	/* Checksum */
+	__be16 app_tag;		/* Opaque storage */
+	__be32 ref_tag;		/* Target LBA or indirect LBA */
+};
+
 /*
  * SCSI Request Block
  */
@@ -208,8 +218,14 @@ typedef struct srb {
 /*
  * SRB flag definitions
  */
-#define SRB_DMA_VALID		BIT_0	/* Command sent to ISP */
-#define SRB_FCP_CMND_DMA_VALID	BIT_12  /* FCP command in IOCB */
+#define SRB_DMA_VALID			BIT_0	/* Command sent to ISP */
+#define SRB_FCP_CMND_DMA_VALID		BIT_12	/* DIF: DSD List valid */
+#define SRB_CRC_CTX_DMA_VALID		BIT_2	/* DIF: context DMA valid */
+#define SRB_CRC_PROT_DMA_VALID		BIT_4	/* DIF: prot DMA valid */
+#define SRB_CRC_CTX_DSD_VALID		BIT_5	/* DIF: dsd_list valid */
+
+/* To identify if a srb is of T10-CRC type. @sp => srb_t pointer */
+#define IS_PROT_IO(sp)	(sp->flags & SRB_CRC_CTX_DSD_VALID)
 
 /*
  * SRB extensions.
@@ -1330,6 +1346,66 @@ typedef struct {
 	uint32_t dseg_4_length;		/* Data segment 4 length. */
 } cont_a64_entry_t;
 
+#define PO_MODE_DIF_INSERT	0
+#define PO_MODE_DIF_REMOVE	BIT_0
+#define PO_MODE_DIF_PASS	BIT_1
+#define PO_MODE_DIF_REPLACE	(BIT_0 + BIT_1)
+#define PO_ENABLE_DIF_BUNDLING	BIT_8
+#define PO_ENABLE_INCR_GUARD_SEED	BIT_3
+#define PO_DISABLE_INCR_REF_TAG	BIT_5
+#define PO_DISABLE_GUARD_CHECK	BIT_4
+/*
+ * ISP queue - 64-Bit addressing, continuation crc entry structure definition.
+ */
+struct crc_context {
+	uint32_t handle;		/* System handle. */
+	uint32_t ref_tag;
+	uint16_t app_tag;
+	uint8_t ref_tag_mask[4];	/* Validation/Replacement Mask*/
+	uint8_t app_tag_mask[2];	/* Validation/Replacement Mask*/
+	uint16_t guard_seed;		/* Initial Guard Seed */
+	uint16_t prot_opts;		/* Requested Data Protection Mode */
+	uint16_t blk_size;		/* Data size in bytes */
+	uint16_t runt_blk_guard;	/* Guard value for runt block (tape
+					 * only) */
+	uint32_t byte_count;		/* Total byte count/ total data
+					 * transfer count */
+	union {
+		struct {
+			uint32_t	reserved_1;
+			uint16_t	reserved_2;
+			uint16_t	reserved_3;
+			uint32_t	reserved_4;
+			uint32_t	data_address[2];
+			uint32_t	data_length;
+			uint32_t	reserved_5[2];
+			uint32_t	reserved_6;
+		} nobundling;
+		struct {
+			uint32_t	dif_byte_count;	/* Total DIF byte
+							 * count */
+			uint16_t	reserved_1;
+			uint16_t	dseg_count;	/* Data segment count */
+			uint32_t	reserved_2;
+			uint32_t	data_address[2];
+			uint32_t	data_length;
+			uint32_t	dif_address[2];
+			uint32_t	dif_length;	/* Data segment 0
+							 * length */
+		} bundling;
+	} u;
+
+	struct fcp_cmnd	fcp_cmnd;
+	dma_addr_t	crc_ctx_dma;
+	/* List of DMA context transfers */
+	struct list_head dsd_list;
+
+	/* This structure should not exceed 512 bytes */
+};
+
+#define CRC_CONTEXT_LEN_FW	(offsetof(struct crc_context, fcp_cmnd.lun))
+#define CRC_CONTEXT_FCPCMND_OFF	(offsetof(struct crc_context, fcp_cmnd.lun))
+
 /*
  * ISP queue - status entry structure definition.
  */
@@ -1390,6 +1466,7 @@ typedef struct {
 #define CS_ABORTED		0x5	/* System aborted command. */
 #define CS_TIMEOUT		0x6	/* Timeout error. */
 #define CS_DATA_OVERRUN		0x7	/* Data overrun. */
+#define CS_DIF_ERROR		0xC	/* DIF error detected  */
 
 #define CS_DATA_UNDERRUN	0x15	/* Data Underrun. */
 #define CS_QUEUE_FULL		0x1C	/* Queue Full. */
@@ -2732,6 +2809,7 @@ typedef struct scsi_qla_host {
 
 		uint32_t	management_server_logged_in :1;
 		uint32_t	process_response_queue	:1;
+		uint32_t	difdix_supported:1;
 	} flags;
 
 	atomic_t	loop_state;
@@ -2883,6 +2961,8 @@ typedef struct scsi_qla_host {
 #define OPTROM_BURST_SIZE	0x1000
 #define OPTROM_BURST_DWORDS	(OPTROM_BURST_SIZE / 4)
 
+#define	QLA_DSDS_PER_IOCB	37
+
 #include "qla_gbl.h"
 #include "qla_dbg.h"
 #include "qla_inline.h"
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index a77a2471eaf..93f83396014 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -400,6 +400,7 @@ struct cmd_type_6 {
 	struct scsi_lun lun;		/* FCP LUN (BE). */
 
 	uint16_t control_flags;		/* Control flags. */
+#define CF_DIF_SEG_DESCR_ENABLE		BIT_3
 #define CF_DATA_SEG_DESCR_ENABLE	BIT_2
 #define CF_READ_DATA			BIT_1
 #define CF_WRITE_DATA			BIT_0
@@ -466,6 +467,43 @@ struct cmd_type_7 {
 	uint32_t dseg_0_len;		/* Data segment 0 length. */
 };
 
+#define COMMAND_TYPE_CRC_2	0x6A	/* Command Type CRC_2 (Type 6)
+					 * (T10-DIF) */
+struct cmd_type_crc_2 {
+	uint8_t entry_type;		/* Entry type. */
+	uint8_t entry_count;		/* Entry count. */
+	uint8_t sys_define;		/* System defined. */
+	uint8_t entry_status;		/* Entry Status. */
+
+	uint32_t handle;		/* System handle. */
+
+	uint16_t nport_handle;		/* N_PORT handle. */
+	uint16_t timeout;		/* Command timeout. */
+
+	uint16_t dseg_count;		/* Data segment count. */
+
+	uint16_t fcp_rsp_dseg_len;	/* FCP_RSP DSD length. */
+
+	struct scsi_lun lun;		/* FCP LUN (BE). */
+
+	uint16_t control_flags;		/* Control flags. */
+
+	uint16_t fcp_cmnd_dseg_len;		/* Data segment length. */
+	uint32_t fcp_cmnd_dseg_address[2];	/* Data segment address. */
+
+	uint32_t fcp_rsp_dseg_address[2];	/* Data segment address. */
+
+	uint32_t byte_count;		/* Total byte count. */
+
+	uint8_t port_id[3];		/* PortID of destination port. */
+	uint8_t vp_index;
+
+	uint32_t crc_context_address[2];	/* Data segment address. */
+	uint16_t crc_context_len;		/* Data segment length. */
+	uint16_t reserved_1;			/* MUST be set to 0. */
+};
+
+
 /*
  * ISP queue - status entry structure definition.
  */
@@ -496,10 +534,17 @@ struct sts_entry_24xx {
 
 	uint32_t sense_len;		/* FCP SENSE length. */
 	uint32_t rsp_data_len;		/* FCP response data length. */
-
 	uint8_t data[28];		/* FCP response/sense information. */
+	/*
+	 * If DIF Error is set in comp_status, these additional fields are
+	 * defined:
+	 * &data[10] : uint8_t report_runt_bg[2];	- computed guard
+	 * &data[12] : uint8_t actual_dif[8];		- DIF Data recieved
+	 * &data[20] : uint8_t expected_dif[8];		- DIF Data computed
+	*/
 };
 
+
 /*
  * Status entry completion status
  */
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 3dbefe1a6b5..3e946da74b9 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -94,6 +94,8 @@ extern int ql2xshiftctondsd;
 extern int ql2xdbwr;
 extern int ql2xdontresethba;
 extern int ql2xasynctmfenable;
+extern int ql2xenabledif;
+extern int ql2xenablehba_err_chk;
 
 extern int qla2x00_loop_reset(scsi_qla_host_t *);
 extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
@@ -179,6 +181,7 @@ extern int qla2x00_start_sp(srb_t *);
 extern void qla2x00_ctx_sp_free(srb_t *);
 extern uint16_t qla24xx_calc_iocbs(uint16_t);
 extern void qla24xx_build_scsi_iocbs(srb_t *, struct cmd_type_7 *, uint16_t);
+extern int qla24xx_dif_start_scsi(srb_t *);
 
 
 /*
@@ -423,6 +426,7 @@ extern void qla25xx_fw_dump(scsi_qla_host_t *, int);
 extern void qla81xx_fw_dump(scsi_qla_host_t *, int);
 extern void qla2x00_dump_regs(scsi_qla_host_t *);
 extern void qla2x00_dump_buffer(uint8_t *, uint32_t);
+extern void qla2x00_dump_buffer_zipped(uint8_t *, uint32_t);
 
 /*
  * Global Function Prototypes in qla_gs.c source file.
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index ad53c645555..84c2fea154d 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -67,3 +67,19 @@ qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
 	return ((loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
 	    loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST);
 }
+
+static inline void
+qla2x00_clean_dsd_pool(struct qla_hw_data *ha, srb_t *sp)
+{
+	struct dsd_dma *dsd_ptr, *tdsd_ptr;
+
+	/* clean up allocated prev pool */
+	list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
+	    &((struct crc_context *)sp->ctx)->dsd_list, list) {
+		dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
+		    dsd_ptr->dsd_list_dma);
+		list_del(&dsd_ptr->list);
+		kfree(dsd_ptr);
+	}
+	INIT_LIST_HEAD(&((struct crc_context *)sp->ctx)->dsd_list);
+}
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index d7a9fff15ad..8ef94536541 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -145,7 +145,49 @@ qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
 	return (cont_pkt);
 }
 
-/**
+static inline int
+qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts)
+{
+	uint8_t	guard = scsi_host_get_guard(sp->cmd->device->host);
+
+	/* We only support T10 DIF right now */
+	if (guard != SHOST_DIX_GUARD_CRC) {
+		DEBUG2(printk(KERN_ERR "Unsupported guard: %d\n", guard));
+		return 0;
+	}
+
+	/* We always use DIFF Bundling for best performance */
+	*fw_prot_opts = 0;
+
+	/* Translate SCSI opcode to a protection opcode */
+	switch (scsi_get_prot_op(sp->cmd)) {
+	case SCSI_PROT_READ_STRIP:
+		*fw_prot_opts |= PO_MODE_DIF_REMOVE;
+		break;
+	case SCSI_PROT_WRITE_INSERT:
+		*fw_prot_opts |= PO_MODE_DIF_INSERT;
+		break;
+	case SCSI_PROT_READ_INSERT:
+		*fw_prot_opts |= PO_MODE_DIF_INSERT;
+		break;
+	case SCSI_PROT_WRITE_STRIP:
+		*fw_prot_opts |= PO_MODE_DIF_REMOVE;
+		break;
+	case SCSI_PROT_READ_PASS:
+		*fw_prot_opts |= PO_MODE_DIF_PASS;
+		break;
+	case SCSI_PROT_WRITE_PASS:
+		*fw_prot_opts |= PO_MODE_DIF_PASS;
+		break;
+	default:	/* Normal Request */
+		*fw_prot_opts |= PO_MODE_DIF_PASS;
+		break;
+	}
+
+	return scsi_prot_sg_count(sp->cmd);
+}
+
+/*
  * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit
  * capable IOCB types.
  *
@@ -636,6 +678,8 @@ qla24xx_calc_iocbs(uint16_t dsds)
 		if ((dsds - 1) % 5)
 			iocbs++;
 	}
+	DEBUG3(printk(KERN_DEBUG "%s(): Required PKT(s) = %d\n",
+	    __func__, iocbs));
 	return iocbs;
 }
 
@@ -716,6 +760,453 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
 	}
 }
 
+struct fw_dif_context {
+	uint32_t ref_tag;
+	uint16_t app_tag;
+	uint8_t ref_tag_mask[4];	/* Validation/Replacement Mask*/
+	uint8_t app_tag_mask[2];	/* Validation/Replacement Mask*/
+};
+
+/*
+ * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command
+ *
+ */
+static inline void
+qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
+    unsigned int protcnt)
+{
+	struct sd_dif_tuple *spt;
+	unsigned char op = scsi_get_prot_op(cmd);
+
+	switch (scsi_get_prot_type(cmd)) {
+	/* For TYPE 0 protection: no checking */
+	case SCSI_PROT_DIF_TYPE0:
+		pkt->ref_tag_mask[0] = 0x00;
+		pkt->ref_tag_mask[1] = 0x00;
+		pkt->ref_tag_mask[2] = 0x00;
+		pkt->ref_tag_mask[3] = 0x00;
+		break;
+
+	/*
+	 * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to
+	 * match LBA in CDB + N
+	 */
+	case SCSI_PROT_DIF_TYPE2:
+		break;
+
+	/* For Type 3 protection: 16 bit GUARD only */
+	case SCSI_PROT_DIF_TYPE3:
+		pkt->ref_tag_mask[0] = pkt->ref_tag_mask[1] =
+			pkt->ref_tag_mask[2] = pkt->ref_tag_mask[3] =
+								0x00;
+		break;
+
+	/*
+	 * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and
+	 * 16 bit app tag.
+	 */
+	case SCSI_PROT_DIF_TYPE1:
+		if (!ql2xenablehba_err_chk)
+			break;
+
+		if (protcnt && (op == SCSI_PROT_WRITE_STRIP ||
+		    op == SCSI_PROT_WRITE_PASS)) {
+			spt = page_address(sg_page(scsi_prot_sglist(cmd))) +
+			    scsi_prot_sglist(cmd)[0].offset;
+			DEBUG18(printk(KERN_DEBUG
+			    "%s(): LBA from user %p, lba = 0x%x\n",
+			    __func__, spt, (int)spt->ref_tag));
+			pkt->ref_tag = swab32(spt->ref_tag);
+			pkt->app_tag_mask[0] = 0x0;
+			pkt->app_tag_mask[1] = 0x0;
+		} else {
+			pkt->ref_tag = cpu_to_le32((uint32_t)
+			    (0xffffffff & scsi_get_lba(cmd)));
+			pkt->app_tag = __constant_cpu_to_le16(0);
+			pkt->app_tag_mask[0] = 0x0;
+			pkt->app_tag_mask[1] = 0x0;
+		}
+		/* enable ALL bytes of the ref tag */
+		pkt->ref_tag_mask[0] = 0xff;
+		pkt->ref_tag_mask[1] = 0xff;
+		pkt->ref_tag_mask[2] = 0xff;
+		pkt->ref_tag_mask[3] = 0xff;
+		break;
+	}
+
+	DEBUG18(printk(KERN_DEBUG
+	    "%s(): Setting protection Tags: (BIG) ref tag = 0x%x,"
+	    " app tag = 0x%x, prot SG count %d , cmd lba 0x%x,"
+	    " prot_type=%u\n", __func__, pkt->ref_tag, pkt->app_tag, protcnt,
+	    (int)scsi_get_lba(cmd), scsi_get_prot_type(cmd)));
+}
+
+
+static int
+qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
+	uint16_t tot_dsds)
+{
+	void *next_dsd;
+	uint8_t avail_dsds = 0;
+	uint32_t dsd_list_len;
+	struct dsd_dma *dsd_ptr;
+	struct scatterlist *sg;
+	uint32_t *cur_dsd = dsd;
+	int	i;
+	uint16_t	used_dsds = tot_dsds;
+
+	uint8_t		*cp;
+
+	scsi_for_each_sg(sp->cmd, sg, tot_dsds, i) {
+		dma_addr_t	sle_dma;
+
+		/* Allocate additional continuation packets? */
+		if (avail_dsds == 0) {
+			avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
+					QLA_DSDS_PER_IOCB : used_dsds;
+			dsd_list_len = (avail_dsds + 1) * 12;
+			used_dsds -= avail_dsds;
+
+			/* allocate tracking DS */
+			dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
+			if (!dsd_ptr)
+				return 1;
+
+			/* allocate new list */
+			dsd_ptr->dsd_addr = next_dsd =
+			    dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
+				&dsd_ptr->dsd_list_dma);
+
+			if (!next_dsd) {
+				/*
+				 * Need to cleanup only this dsd_ptr, rest
+				 * will be done by sp_free_dma()
+				 */
+				kfree(dsd_ptr);
+				return 1;
+			}
+
+			list_add_tail(&dsd_ptr->list,
+			    &((struct crc_context *)sp->ctx)->dsd_list);
+
+			sp->flags |= SRB_CRC_CTX_DSD_VALID;
+
+			/* add new list to cmd iocb or last list */
+			*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+			*cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+			*cur_dsd++ = dsd_list_len;
+			cur_dsd = (uint32_t *)next_dsd;
+		}
+		sle_dma = sg_dma_address(sg);
+		DEBUG18(printk("%s(): %p, sg entry %d - addr =0x%x 0x%x,"
+		    " len =%d\n", __func__ , cur_dsd, i, LSD(sle_dma),
+		    MSD(sle_dma), sg_dma_len(sg)));
+		*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+		*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+		*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+		avail_dsds--;
+
+		if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
+			cp = page_address(sg_page(sg)) + sg->offset;
+			DEBUG18(printk("%s(): User Data buffer= %p:\n",
+			    __func__ , cp));
+		}
+	}
+	/* Null termination */
+	*cur_dsd++ = 0;
+	*cur_dsd++ = 0;
+	*cur_dsd++ = 0;
+	return 0;
+}
+
+static int
+qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
+							uint32_t *dsd,
+	uint16_t tot_dsds)
+{
+	void *next_dsd;
+	uint8_t avail_dsds = 0;
+	uint32_t dsd_list_len;
+	struct dsd_dma *dsd_ptr;
+	struct scatterlist *sg;
+	int	i;
+	struct scsi_cmnd *cmd;
+	uint32_t *cur_dsd = dsd;
+	uint16_t	used_dsds = tot_dsds;
+
+	uint8_t		*cp;
+
+
+	cmd = sp->cmd;
+	scsi_for_each_prot_sg(cmd, sg, tot_dsds, i) {
+		dma_addr_t	sle_dma;
+
+		/* Allocate additional continuation packets? */
+		if (avail_dsds == 0) {
+			avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
+						QLA_DSDS_PER_IOCB : used_dsds;
+			dsd_list_len = (avail_dsds + 1) * 12;
+			used_dsds -= avail_dsds;
+
+			/* allocate tracking DS */
+			dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
+			if (!dsd_ptr)
+				return 1;
+
+			/* allocate new list */
+			dsd_ptr->dsd_addr = next_dsd =
+			    dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
+				&dsd_ptr->dsd_list_dma);
+
+			if (!next_dsd) {
+				/*
+				 * Need to cleanup only this dsd_ptr, rest
+				 * will be done by sp_free_dma()
+				 */
+				kfree(dsd_ptr);
+				return 1;
+			}
+
+			list_add_tail(&dsd_ptr->list,
+			    &((struct crc_context *)sp->ctx)->dsd_list);
+
+			sp->flags |= SRB_CRC_CTX_DSD_VALID;
+
+			/* add new list to cmd iocb or last list */
+			*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+			*cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+			*cur_dsd++ = dsd_list_len;
+			cur_dsd = (uint32_t *)next_dsd;
+		}
+		sle_dma = sg_dma_address(sg);
+		if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
+			DEBUG18(printk(KERN_DEBUG
+			    "%s(): %p, sg entry %d - addr =0x%x"
+			    "0x%x, len =%d\n", __func__ , cur_dsd, i,
+			    LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg)));
+		}
+		*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+		*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+		*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+
+		if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
+			cp = page_address(sg_page(sg)) + sg->offset;
+			DEBUG18(printk("%s(): Protection Data buffer = %p:\n",
+			    __func__ , cp));
+		}
+		avail_dsds--;
+	}
+	/* Null termination */
+	*cur_dsd++ = 0;
+	*cur_dsd++ = 0;
+	*cur_dsd++ = 0;
+	return 0;
+}
+
+/**
+ * qla24xx_build_scsi_crc_2_iocbs() - Build IOCB command utilizing Command
+ *							Type 6 IOCB types.
+ *
+ * @sp: SRB command to process
+ * @cmd_pkt: Command type 3 IOCB
+ * @tot_dsds: Total number of segments to transfer
+ */
+static inline int
+qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
+    uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts)
+{
+	uint32_t		*cur_dsd, *fcp_dl;
+	scsi_qla_host_t		*vha;
+	struct scsi_cmnd	*cmd;
+	struct scatterlist	*cur_seg;
+	int			sgc;
+	uint32_t		total_bytes;
+	uint32_t		data_bytes;
+	uint32_t		dif_bytes;
+	uint8_t			bundling = 1;
+	uint16_t		blk_size;
+	uint8_t			*clr_ptr;
+	struct crc_context	*crc_ctx_pkt = NULL;
+	struct qla_hw_data	*ha;
+	uint8_t			additional_fcpcdb_len;
+	uint16_t		fcp_cmnd_len;
+	struct fcp_cmnd		*fcp_cmnd;
+	dma_addr_t		crc_ctx_dma;
+
+	cmd = sp->cmd;
+
+	sgc = 0;
+	/* Update entry type to indicate Command Type CRC_2 IOCB */
+	*((uint32_t *)(&cmd_pkt->entry_type)) =
+	    __constant_cpu_to_le32(COMMAND_TYPE_CRC_2);
+
+	/* No data transfer */
+	data_bytes = scsi_bufflen(cmd);
+	if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
+		DEBUG18(printk(KERN_INFO "%s: Zero data bytes or DMA-NONE %d\n",
+		    __func__, data_bytes));
+		cmd_pkt->byte_count = __constant_cpu_to_le32(0);
+		return QLA_SUCCESS;
+	}
+
+	vha = sp->fcport->vha;
+	ha = vha->hw;
+
+	DEBUG18(printk(KERN_DEBUG
+	    "%s(%ld): Executing cmd sp %p, pid=%ld, prot_op=%u.\n", __func__,
+	    vha->host_no, sp, cmd->serial_number, scsi_get_prot_op(sp->cmd)));
+
+	cmd_pkt->vp_index = sp->fcport->vp_idx;
+
+	/* Set transfer direction */
+	if (cmd->sc_data_direction == DMA_TO_DEVICE) {
+		cmd_pkt->control_flags =
+		    __constant_cpu_to_le16(CF_WRITE_DATA);
+	} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
+		cmd_pkt->control_flags =
+		    __constant_cpu_to_le16(CF_READ_DATA);
+	}
+
+	tot_prot_dsds = scsi_prot_sg_count(cmd);
+	if (!tot_prot_dsds)
+		bundling = 0;
+
+	/* Allocate CRC context from global pool */
+	crc_ctx_pkt = sp->ctx = dma_pool_alloc(ha->dl_dma_pool,
+	    GFP_ATOMIC, &crc_ctx_dma);
+
+	if (!crc_ctx_pkt)
+		goto crc_queuing_error;
+
+	/* Zero out CTX area. */
+	clr_ptr = (uint8_t *)crc_ctx_pkt;
+	memset(clr_ptr, 0, sizeof(*crc_ctx_pkt));
+
+	crc_ctx_pkt->crc_ctx_dma = crc_ctx_dma;
+
+	sp->flags |= SRB_CRC_CTX_DMA_VALID;
+
+	/* Set handle */
+	crc_ctx_pkt->handle = cmd_pkt->handle;
+
+	INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list);
+
+	qla24xx_set_t10dif_tags(cmd, (struct fw_dif_context *)
+	    &crc_ctx_pkt->ref_tag, tot_prot_dsds);
+
+	cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma));
+	cmd_pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma));
+	cmd_pkt->crc_context_len = CRC_CONTEXT_LEN_FW;
+
+	/* Determine SCSI command length -- align to 4 byte boundary */
+	if (cmd->cmd_len > 16) {
+		DEBUG18(printk(KERN_INFO "%s(): **** SCSI CMD > 16\n",
+		    __func__));
+		additional_fcpcdb_len = cmd->cmd_len - 16;
+		if ((cmd->cmd_len % 4) != 0) {
+			/* SCSI cmd > 16 bytes must be multiple of 4 */
+			goto crc_queuing_error;
+		}
+		fcp_cmnd_len = 12 + cmd->cmd_len + 4;
+	} else {
+		additional_fcpcdb_len = 0;
+		fcp_cmnd_len = 12 + 16 + 4;
+	}
+
+	fcp_cmnd = &crc_ctx_pkt->fcp_cmnd;
+
+	fcp_cmnd->additional_cdb_len = additional_fcpcdb_len;
+	if (cmd->sc_data_direction == DMA_TO_DEVICE)
+		fcp_cmnd->additional_cdb_len |= 1;
+	else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
+		fcp_cmnd->additional_cdb_len |= 2;
+
+	int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun);
+	memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
+	cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len);
+	cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32(
+	    LSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
+	cmd_pkt->fcp_cmnd_dseg_address[1] = cpu_to_le32(
+	    MSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
+	fcp_cmnd->task_attribute = 0;
+	fcp_cmnd->task_managment = 0;
+
+	cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
+
+	DEBUG18(printk(KERN_INFO "%s(%ld): Total SG(s) Entries %d, Data"
+	    "entries %d, data bytes %d, Protection entries %d\n",
+	    __func__, vha->host_no, tot_dsds, (tot_dsds-tot_prot_dsds),
+	    data_bytes, tot_prot_dsds));
+
+	/* Compute dif len and adjust data len to incude protection */
+	total_bytes = data_bytes;
+	dif_bytes = 0;
+	blk_size = cmd->device->sector_size;
+	if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE1) {
+		dif_bytes = (data_bytes / blk_size) * 8;
+		total_bytes += dif_bytes;
+	}
+
+	if (!ql2xenablehba_err_chk)
+		fw_prot_opts |= 0x10; /* Disable Guard tag checking */
+
+	if (!bundling) {
+		cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address;
+	} else {
+		/*
+		 * Configure Bundling if we need to fetch interlaving
+		 * protection PCI accesses
+		 */
+		fw_prot_opts |= PO_ENABLE_DIF_BUNDLING;
+		crc_ctx_pkt->u.bundling.dif_byte_count = cpu_to_le32(dif_bytes);
+		crc_ctx_pkt->u.bundling.dseg_count = cpu_to_le16(tot_dsds -
+							tot_prot_dsds);
+		cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.data_address;
+	}
+
+	/* Finish the common fields of CRC pkt */
+	crc_ctx_pkt->blk_size = cpu_to_le16(blk_size);
+	crc_ctx_pkt->prot_opts = cpu_to_le16(fw_prot_opts);
+	crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes);
+	crc_ctx_pkt->guard_seed = __constant_cpu_to_le16(0);
+	/* Fibre channel byte count */
+	cmd_pkt->byte_count = cpu_to_le32(total_bytes);
+	fcp_dl = (uint32_t *)(crc_ctx_pkt->fcp_cmnd.cdb + 16 +
+	    additional_fcpcdb_len);
+	*fcp_dl = htonl(total_bytes);
+
+	DEBUG18(printk(KERN_INFO "%s(%ld): dif bytes = 0x%x (%d), total bytes"
+	    " = 0x%x (%d), dat block size =0x%x (%d)\n", __func__,
+	    vha->host_no, dif_bytes, dif_bytes, total_bytes, total_bytes,
+	    crc_ctx_pkt->blk_size, crc_ctx_pkt->blk_size));
+
+	/* Walks data segments */
+
+	cmd_pkt->control_flags |=
+	    __constant_cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE);
+	if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
+	    (tot_dsds - tot_prot_dsds)))
+		goto crc_queuing_error;
+
+	if (bundling && tot_prot_dsds) {
+		/* Walks dif segments */
+		cur_seg = scsi_prot_sglist(cmd);
+		cmd_pkt->control_flags |=
+			__constant_cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE);
+		cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;
+		if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd,
+		    tot_prot_dsds))
+			goto crc_queuing_error;
+	}
+	return QLA_SUCCESS;
+
+crc_queuing_error:
+	DEBUG18(qla_printk(KERN_INFO, ha,
+	    "CMD sent FAILED crc_q error:sp = %p\n", sp));
+	/* Cleanup will be performed by the caller */
+
+	return QLA_FUNCTION_FAILED;
+}
 
 /**
  * qla24xx_start_scsi() - Send a SCSI command to the ISP
@@ -869,6 +1360,191 @@ queuing_error:
 	return QLA_FUNCTION_FAILED;
 }
 
+
+/**
+ * qla24xx_dif_start_scsi() - Send a SCSI command to the ISP
+ * @sp: command to send to the ISP
+ *
+ * Returns non-zero if a failure occurred, else zero.
+ */
+int
+qla24xx_dif_start_scsi(srb_t *sp)
+{
+	int			nseg;
+	unsigned long		flags;
+	uint32_t		*clr_ptr;
+	uint32_t		index;
+	uint32_t		handle;
+	uint16_t		cnt;
+	uint16_t		req_cnt = 0;
+	uint16_t		tot_dsds;
+	uint16_t		tot_prot_dsds;
+	uint16_t		fw_prot_opts = 0;
+	struct req_que		*req = NULL;
+	struct rsp_que		*rsp = NULL;
+	struct scsi_cmnd	*cmd = sp->cmd;
+	struct scsi_qla_host	*vha = sp->fcport->vha;
+	struct qla_hw_data	*ha = vha->hw;
+	struct cmd_type_crc_2	*cmd_pkt;
+	uint32_t		status = 0;
+
+#define QDSS_GOT_Q_SPACE	BIT_0
+
+	/* Only process protection in this routine */
+	if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL)
+		return qla24xx_start_scsi(sp);
+
+	/* Setup device pointers. */
+
+	qla25xx_set_que(sp, &rsp);
+	req = vha->req;
+
+	/* So we know we haven't pci_map'ed anything yet */
+	tot_dsds = 0;
+
+	/* Send marker if required */
+	if (vha->marker_needed != 0) {
+		if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
+		    QLA_SUCCESS)
+			return QLA_FUNCTION_FAILED;
+		vha->marker_needed = 0;
+	}
+
+	/* Acquire ring specific lock */
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+
+	/* Check for room in outstanding command list. */
+	handle = req->current_outstanding_cmd;
+	for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
+		handle++;
+		if (handle == MAX_OUTSTANDING_COMMANDS)
+			handle = 1;
+		if (!req->outstanding_cmds[handle])
+			break;
+	}
+
+	if (index == MAX_OUTSTANDING_COMMANDS)
+		goto queuing_error;
+
+	/* Compute number of required data segments */
+	/* Map the sg table so we have an accurate count of sg entries needed */
+	if (scsi_sg_count(cmd)) {
+		nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+		    scsi_sg_count(cmd), cmd->sc_data_direction);
+		if (unlikely(!nseg))
+			goto queuing_error;
+		else
+			sp->flags |= SRB_DMA_VALID;
+	} else
+		nseg = 0;
+
+	/* number of required data segments */
+	tot_dsds = nseg;
+
+	/* Compute number of required protection segments */
+	if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) {
+		nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
+		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
+		if (unlikely(!nseg))
+			goto queuing_error;
+		else
+			sp->flags |= SRB_CRC_PROT_DMA_VALID;
+	} else {
+		nseg = 0;
+	}
+
+	req_cnt = 1;
+	/* Total Data and protection sg segment(s) */
+	tot_prot_dsds = nseg;
+	tot_dsds += nseg;
+	if (req->cnt < (req_cnt + 2)) {
+		cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
+
+		if (req->ring_index < cnt)
+			req->cnt = cnt - req->ring_index;
+		else
+			req->cnt = req->length -
+				(req->ring_index - cnt);
+	}
+
+	if (req->cnt < (req_cnt + 2))
+		goto queuing_error;
+
+	status |= QDSS_GOT_Q_SPACE;
+
+	/* Build header part of command packet (excluding the OPCODE). */
+	req->current_outstanding_cmd = handle;
+	req->outstanding_cmds[handle] = sp;
+	sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
+	req->cnt -= req_cnt;
+
+	/* Fill-in common area */
+	cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr;
+	cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
+
+	clr_ptr = (uint32_t *)cmd_pkt + 2;
+	memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
+
+	/* Set NPORT-ID and LUN number*/
+	cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+	cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
+	cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
+	cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+
+	int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
+	host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
+
+	/* Total Data and protection segment(s) */
+	cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
+
+	/* Build IOCB segments and adjust for data protection segments */
+	if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *)
+	    req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) !=
+		QLA_SUCCESS)
+		goto queuing_error;
+
+	cmd_pkt->entry_count = (uint8_t)req_cnt;
+	/* Specify response queue number where completion should happen */
+	cmd_pkt->entry_status = (uint8_t) rsp->id;
+	cmd_pkt->timeout = __constant_cpu_to_le16(0);
+	wmb();
+
+	/* Adjust ring index. */
+	req->ring_index++;
+	if (req->ring_index == req->length) {
+		req->ring_index = 0;
+		req->ring_ptr = req->ring;
+	} else
+		req->ring_ptr++;
+
+	/* Set chip new ring index. */
+	WRT_REG_DWORD(req->req_q_in, req->ring_index);
+	RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
+
+	/* Manage unprocessed RIO/ZIO commands in response queue. */
+	if (vha->flags.process_response_queue &&
+	    rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+		qla24xx_process_response_queue(vha, rsp);
+
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+	return QLA_SUCCESS;
+
+queuing_error:
+	if (status & QDSS_GOT_Q_SPACE) {
+		req->outstanding_cmds[handle] = NULL;
+		req->cnt += req_cnt;
+	}
+	/* Cleanup will be performed by the caller (queuecommand) */
+
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+	DEBUG18(qla_printk(KERN_INFO, ha,
+	    "CMD sent FAILED SCSI prot_op:%02x\n", scsi_get_prot_op(cmd)));
+	return QLA_FUNCTION_FAILED;
+}
+
+
 static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp)
 {
 	struct scsi_cmnd *cmd = sp->cmd;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index eed71ea1d94..be3d8bed2ec 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -10,6 +10,7 @@
 #include <linux/slab.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi_bsg_fc.h>
+#include <scsi/scsi_eh.h>
 
 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
 static void qla2x00_process_completed_request(struct scsi_qla_host *,
@@ -1364,6 +1365,78 @@ qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len,
 		DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len));
 }
 
+struct scsi_dif_tuple {
+	__be16 guard;       /* Checksum */
+	__be16 app_tag;         /* APPL identifer */
+	__be32 ref_tag;         /* Target LBA or indirect LBA */
+};
+
+/*
+ * Checks the guard or meta-data for the type of error
+ * detected by the HBA. In case of errors, we set the
+ * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
+ * to indicate to the kernel that the HBA detected error.
+ */
+static inline void
+qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
+{
+	struct scsi_cmnd *cmd = sp->cmd;
+	struct scsi_dif_tuple	*ep =
+			(struct scsi_dif_tuple *)&sts24->data[20];
+	struct scsi_dif_tuple	*ap =
+			(struct scsi_dif_tuple *)&sts24->data[12];
+	uint32_t	e_ref_tag, a_ref_tag;
+	uint16_t	e_app_tag, a_app_tag;
+	uint16_t	e_guard, a_guard;
+
+	e_ref_tag = be32_to_cpu(ep->ref_tag);
+	a_ref_tag = be32_to_cpu(ap->ref_tag);
+	e_app_tag = be16_to_cpu(ep->app_tag);
+	a_app_tag = be16_to_cpu(ap->app_tag);
+	e_guard = be16_to_cpu(ep->guard);
+	a_guard = be16_to_cpu(ap->guard);
+
+	DEBUG18(printk(KERN_DEBUG
+	    "%s(): iocb(s) %p Returned STATUS\n", __func__, sts24));
+
+	DEBUG18(printk(KERN_ERR "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
+	    " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
+	    " tag=0x%x, act guard=0x%x, exp guard=0x%x\n",
+	    cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
+	    a_app_tag, e_app_tag, a_guard, e_guard));
+
+
+	/* check guard */
+	if (e_guard != a_guard) {
+		scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
+		    0x10, 0x1);
+		set_driver_byte(cmd, DRIVER_SENSE);
+		set_host_byte(cmd, DID_ABORT);
+		cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
+		return;
+	}
+
+	/* check appl tag */
+	if (e_app_tag != a_app_tag) {
+		scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
+		    0x10, 0x2);
+		set_driver_byte(cmd, DRIVER_SENSE);
+		set_host_byte(cmd, DID_ABORT);
+		cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
+		return;
+	}
+
+	/* check ref tag */
+	if (e_ref_tag != a_ref_tag) {
+		scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
+		    0x10, 0x3);
+		set_driver_byte(cmd, DRIVER_SENSE);
+		set_host_byte(cmd, DID_ABORT);
+		cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
+		return;
+	}
+}
+
 /**
  * qla2x00_status_entry() - Process a Status IOCB entry.
  * @ha: SCSI driver HA context
@@ -1630,6 +1703,10 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 	case CS_ABORTED:
 		cp->result = DID_RESET << 16;
 		break;
+
+	case CS_DIF_ERROR:
+		qla2x00_handle_dif_error(sp, sts24);
+		break;
 	default:
 		cp->result = DID_ERROR << 16;
 		break;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 523d414b59a..5104aefdc7e 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -92,6 +92,19 @@ module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(ql2xmaxqdepth,
 		"Maximum queue depth to report for target devices.");
 
+/* Do not change the value of this after module load */
+int ql2xenabledif = 1;
+module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(ql2xenabledif,
+		" Enable T10-CRC-DIF "
+		" Default is 0 - No DIF Support. 1 - Enable it");
+
+int ql2xenablehba_err_chk;
+module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(ql2xenablehba_err_chk,
+		" Enable T10-CRC-DIF Error isolation by HBA"
+		" Default is 0 - Error isolation disabled, 1 - Enable it");
+
 int ql2xiidmaenable=1;
 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
 MODULE_PARM_DESC(ql2xiidmaenable,
@@ -537,6 +550,14 @@ qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 	if (fcport->drport)
 		goto qc24_target_busy;
 
+	if (!vha->flags.difdix_supported &&
+		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
+			DEBUG2(qla_printk(KERN_ERR, ha,
+			    "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
+			    cmd->cmnd[0]));
+			cmd->result = DID_NO_CONNECT << 16;
+			goto qc24_fail_command;
+	}
 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 		    atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
@@ -776,7 +797,8 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 
 		if (sp == NULL)
 			continue;
-		if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID))
+		if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
+		    !IS_PROT_IO(sp))
 			continue;
 		if (sp->cmd != cmd)
 			continue;
@@ -842,7 +864,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 		sp = req->outstanding_cmds[cnt];
 		if (!sp)
 			continue;
-		if (sp->ctx)
+		if ((sp->ctx) && !IS_PROT_IO(sp))
 			continue;
 		if (vha->vp_idx != sp->fcport->vha->vp_idx)
 			continue;
@@ -1189,7 +1211,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
 			if (sp) {
 				req->outstanding_cmds[cnt] = NULL;
 				if (!sp->ctx ||
-				(sp->flags & SRB_FCP_CMND_DMA_VALID)) {
+					(sp->flags & SRB_FCP_CMND_DMA_VALID) ||
+					IS_PROT_IO(sp)) {
 					sp->cmd->result = res;
 					qla2x00_sp_compl(ha, sp);
 				} else {
@@ -1553,7 +1576,7 @@ static struct isp_operations qla25xx_isp_ops = {
 	.read_optrom		= qla25xx_read_optrom_data,
 	.write_optrom		= qla24xx_write_optrom_data,
 	.get_flash_version	= qla24xx_get_flash_version,
-	.start_scsi		= qla24xx_start_scsi,
+	.start_scsi		= qla24xx_dif_start_scsi,
 	.abort_isp		= qla2x00_abort_isp,
 };
 
@@ -2185,6 +2208,22 @@ skip_dpc:
 	DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
 	    base_vha->host_no, ha));
 
+	if (IS_QLA25XX(ha) && ql2xenabledif) {
+		if (ha->fw_attributes & BIT_4) {
+			base_vha->flags.difdix_supported = 1;
+			DEBUG18(qla_printk(KERN_INFO, ha,
+			    "Registering for DIF/DIX type 1 and 3"
+			    " protection.\n"));
+			scsi_host_set_prot(host,
+			    SHOST_DIF_TYPE1_PROTECTION
+			    | SHOST_DIF_TYPE3_PROTECTION
+			    | SHOST_DIX_TYPE1_PROTECTION
+			    | SHOST_DIX_TYPE3_PROTECTION);
+			scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
+		} else
+			base_vha->flags.difdix_supported = 0;
+	}
+
 	ha->isp_ops->enable_intrs(ha);
 
 	ret = scsi_add_host(host, &pdev->dev);
@@ -2546,7 +2585,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 	if (!ha->s_dma_pool)
 		goto fail_free_nvram;
 
-	if (IS_QLA82XX(ha)) {
+	if (IS_QLA82XX(ha) || ql2xenabledif) {
 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
 		if (!ha->dl_dma_pool) {
@@ -2678,12 +2717,12 @@ fail_free_ms_iocb:
 	ha->ms_iocb = NULL;
 	ha->ms_iocb_dma = 0;
 fail_dma_pool:
-	if (IS_QLA82XX(ha)) {
+	if (IS_QLA82XX(ha) || ql2xenabledif) {
 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
 		ha->fcp_cmnd_dma_pool = NULL;
 	}
 fail_dl_dma_pool:
-	if (IS_QLA82XX(ha)) {
+	if (IS_QLA82XX(ha) || ql2xenabledif) {
 		dma_pool_destroy(ha->dl_dma_pool);
 		ha->dl_dma_pool = NULL;
 	}
@@ -3346,11 +3385,31 @@ static void
 qla2x00_sp_free_dma(srb_t *sp)
 {
 	struct scsi_cmnd *cmd = sp->cmd;
+	struct qla_hw_data *ha = sp->fcport->vha->hw;
 
 	if (sp->flags & SRB_DMA_VALID) {
 		scsi_dma_unmap(cmd);
 		sp->flags &= ~SRB_DMA_VALID;
 	}
+
+	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
+		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
+		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
+		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
+	}
+
+	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
+		/* List assured to be having elements */
+		qla2x00_clean_dsd_pool(ha, sp);
+		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
+	}
+
+	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
+		dma_pool_free(ha->dl_dma_pool, sp->ctx,
+		    ((struct crc_context *)sp->ctx)->crc_ctx_dma);
+		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
+	}
+
 	CMD_SP(cmd) = NULL;
 }
 
@@ -3464,7 +3523,7 @@ qla2x00_timer(scsi_qla_host_t *vha)
 					sp = req->outstanding_cmds[index];
 					if (!sp)
 						continue;
-					if (sp->ctx)
+					if (sp->ctx && !IS_PROT_IO(sp))
 						continue;
 					sfcp = sp->fcport;
 					if (!(sfcp->flags & FCF_FCP2_DEVICE))

From 1516ef44835417f55645cdd9ccf203551ca6e8c0 Mon Sep 17 00:00:00 2001
From: Mike Waychison <mikew@google.com>
Date: Tue, 4 May 2010 15:01:31 -0700
Subject: [PATCH 1497/3638] [SCSI] qla2xxx: Silence bogus warning by gcc for
 wrap and did.

The qla2xxx driver uses a port_id_t to mark the start of its enumerations.  gcc
is complaining that wrap.b24 may be used uninitialized, but this doesn't look
to be possible.  Silence it.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index e78089ded51..7fd1344ff1f 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3150,7 +3150,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
 	sw_info_t	*swl;
 	int		swl_idx;
 	int		first_dev, last_dev;
-	port_id_t	wrap, nxt_d_id;
+	port_id_t	wrap = {}, nxt_d_id;
 	struct qla_hw_data *ha = vha->hw;
 	struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
 	struct scsi_qla_host *tvp;
@@ -3453,7 +3453,7 @@ qla2x00_device_resync(scsi_qla_host_t *vha)
 	uint32_t rscn_entry;
 	uint8_t rscn_out_iter;
 	uint8_t format;
-	port_id_t d_id;
+	port_id_t d_id = {};
 
 	rval = QLA_RSCNS_HANDLED;
 

From 86fbee86e94c7e80c9bb01db0cf68b7977462109 Mon Sep 17 00:00:00 2001
From: Lalit Chandivade <lalit.chandivade@qlogic.com>
Date: Tue, 4 May 2010 15:01:32 -0700
Subject: [PATCH 1498/3638] [SCSI] qla2xxx: ensure flash operation and host
 reset via sg_reset are mutually exclusive

The problem occurring is a hw-race where there's an outstanding read-flash
operation occurring while the chip is being reset (done via an sg_reset script).
After the chip is paused, the read-flash operation never completes and the
DPC thread, while trying to complete the reset, is never able to recover,
as the HW appears to be hung...

The fix is to wait for outstanding flash operation prior to doing a sg_reset -h.
And to wait for reset to complete before any flash operations.

Note, during the wait, if any of the operation (reset/flash) does not complete,
failure is returned to the upper layer. The upper layer either need to
fail or retry.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_attr.c |  6 +++++
 drivers/scsi/qla2xxx/qla_os.c   | 46 ++++++++++++++++++++++++++++++++-
 2 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 62a22cfae20..3b708606b93 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -281,6 +281,12 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
 			return count;
 		}
 
+		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
+			qla_printk(KERN_WARNING, ha,
+				"HBA not online, failing NVRAM update.\n");
+			return -EAGAIN;
+		}
+
 		DEBUG2(qla_printk(KERN_INFO, ha,
 		    "Reading flash region -- 0x%x/0x%x.\n",
 		    ha->optrom_region_start, ha->optrom_region_size));
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 5104aefdc7e..0de92d37667 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -676,6 +676,50 @@ qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 	return (return_status);
 }
 
+/*
+ * qla2x00_wait_for_reset_ready
+ *    Wait till the HBA is online after going through
+ *    <= MAX_RETRIES_OF_ISP_ABORT  or
+ *    finally HBA is disabled ie marked offline or flash
+ *    operations are in progress.
+ *
+ * Input:
+ *     ha - pointer to host adapter structure
+ *
+ * Note:
+ *    Does context switching-Release SPIN_LOCK
+ *    (if any) before calling this routine.
+ *
+ * Return:
+ *    Success (Adapter is online/no flash ops) : 0
+ *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
+ */
+int
+qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
+{
+	int		return_status;
+	unsigned long	wait_online;
+	struct qla_hw_data *ha = vha->hw;
+	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
+
+	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
+	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
+	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
+	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
+	    ha->optrom_state != QLA_SWAITING ||
+	    ha->dpc_active) && time_before(jiffies, wait_online))
+		msleep(1000);
+
+	if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
+		return_status = QLA_SUCCESS;
+	else
+		return_status = QLA_FUNCTION_FAILED;
+
+	DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
+
+	return return_status;
+}
+
 int
 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 {
@@ -1081,7 +1125,7 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	qla_printk(KERN_INFO, ha,
 	    "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
 
-	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
+	if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
 		goto eh_host_reset_lock;
 
 	/*

From f4c496c1fbaa59dbb3820c18453df661079b1d4a Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Tue, 4 May 2010 15:01:33 -0700
Subject: [PATCH 1499/3638] [SCSI] qla2xxx: Optionally disable target reset.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_gbl.h | 1 +
 drivers/scsi/qla2xxx/qla_os.c  | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 3e946da74b9..8217c3bcbc2 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -96,6 +96,7 @@ extern int ql2xdontresethba;
 extern int ql2xasynctmfenable;
 extern int ql2xenabledif;
 extern int ql2xenablehba_err_chk;
+extern int ql2xtargetreset;
 
 extern int qla2x00_loop_reset(scsi_qla_host_t *);
 extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 0de92d37667..be1a8fcbb1f 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -154,6 +154,12 @@ MODULE_PARM_DESC(ql2xdontresethba,
 	" 0 (Default) -- Reset on failure.\n"
 	" 1 -- Do not reset on failure.\n");
 
+int ql2xtargetreset = 1;
+module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xtargetreset,
+		 "Enable target reset."
+		 "Default is 1 - use hw defaults.");
+
 
 int ql2xasynctmfenable;
 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
@@ -1193,7 +1199,7 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
 	struct fc_port *fcport;
 	struct qla_hw_data *ha = vha->hw;
 
-	if (ha->flags.enable_target_reset) {
+	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
 			if (fcport->port_type != FCT_TARGET)
 				continue;

From f1af6208c8cef81e313ec2e64b44e783c3a11c13 Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Tue, 4 May 2010 15:01:34 -0700
Subject: [PATCH 1500/3638] [SCSI] qla2xxx: Updates to ISP82xx support.

1) Allow transition to NEED RESET state only from READY state for ISP82xx.
2) Avoid infinite ISP aborts when chip reset fails.
3) Code cleanup to remove some of the unused debug code.

Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Santosh Vernekar <santosh.vernekar@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/qla2xxx/qla_def.h  |   2 -
 drivers/scsi/qla2xxx/qla_init.c |  33 -----
 drivers/scsi/qla2xxx/qla_nx.c   | 205 ++++++++++++++++----------------
 drivers/scsi/qla2xxx/qla_nx.h   |  15 +--
 4 files changed, 111 insertions(+), 144 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 4559f5c6c1a..83961090901 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2764,8 +2764,6 @@ struct qla_hw_data {
 	unsigned long	nx_pcibase;		/* Base I/O address */
 	uint8_t		*nxdb_rd_ptr;		/* Doorbell read pointer */
 	unsigned long	nxdb_wr_ptr;		/* Door bell write pointer */
-	unsigned long	first_page_group_start;
-	unsigned long	first_page_group_end;
 
 	uint32_t	crb_win;
 	uint32_t	curr_window;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 7fd1344ff1f..ab2cc71994c 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -5296,39 +5296,6 @@ qla82xx_restart_isp(scsi_qla_host_t *vha)
 				    "(%d).\n", rval);
 			}
 		}
-	} else {	/* failed the ISP abort */
-		vha->flags.online = 1;
-		if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-			if (ha->isp_abort_cnt == 0) {
-				qla_printk(KERN_WARNING, ha,
-				    "ISP error recovery failed - "
-				    "board disabled\n");
-				/*
-				 * The next call disables the board
-				 * completely.
-				 */
-				ha->isp_ops->reset_adapter(vha);
-				vha->flags.online = 0;
-				clear_bit(ISP_ABORT_RETRY,
-					&vha->dpc_flags);
-				status = 0;
-			} else { /* schedule another ISP abort */
-				ha->isp_abort_cnt--;
-				qla_printk(KERN_INFO, ha,
-					"qla%ld: ISP abort - "
-					"retry remaining %d\n",
-					vha->host_no, ha->isp_abort_cnt);
-				status = 1;
-			}
-		} else {
-			ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
-			qla_printk(KERN_INFO, ha,
-				"(%ld): ISP error recovery "
-				"- retrying (%d) more times\n",
-				vha->host_no, ha->isp_abort_cnt);
-			set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
-			status = 1;
-		}
 	}
 
 	if (!status) {
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 495ff1ade36..ff562de0e8e 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -30,16 +30,6 @@
 #define QLA82XX_PCI_CAMQM_2M_BASE	(0x000ff800UL)
 #define CRB_INDIRECT_2M	(0x1e0000UL)
 
-static inline void *qla82xx_pci_base_offsetfset(struct qla_hw_data *ha,
-    unsigned long off)
-{
-	if ((off < ha->first_page_group_end) &&
-	    (off >= ha->first_page_group_start))
-		return (void *)(ha->nx_pcibase + off);
-
-	return NULL;
-}
-
 #define MAX_CRB_XFORM 60
 static unsigned long crb_addr_xform[MAX_CRB_XFORM];
 int qla82xx_crb_table_initialized;
@@ -335,6 +325,18 @@ unsigned qla82xx_crb_hub_agt[64] = {
 	0,
 };
 
+/* Device states */
+char *qdev_state[] = {
+	 "Unknown",
+	"Cold",
+	"Initializing",
+	"Ready",
+	"Need Reset",
+	"Need Quiescent",
+	"Failed",
+	"Quiescent",
+};
+
 /*
  * In: 'off' is offset from CRB space in 128M pci map
  * Out: 'off' is 2M pci map addr
@@ -661,7 +663,7 @@ static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
 	u64 off, void *data, int size)
 {
 	unsigned long   flags;
-	void           *addr;
+	void           *addr = NULL;
 	int             ret = 0;
 	u64             start;
 	uint8_t         *mem_ptr = NULL;
@@ -684,26 +686,23 @@ static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
 		return -1;
 	}
 
-	addr = qla82xx_pci_base_offsetfset(ha, start);
-	if (!addr) {
-		write_unlock_irqrestore(&ha->hw_lock, flags);
-		mem_base = pci_resource_start(ha->pdev, 0);
-		mem_page = start & PAGE_MASK;
-		/* Map two pages whenever user tries to access addresses in two
-		* consecutive pages.
-		*/
-		if (mem_page != ((start + size - 1) & PAGE_MASK))
-			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
-		else
-			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
-		if (mem_ptr == 0UL) {
-			*(u8  *)data = 0;
-			return -1;
-		}
-		addr = mem_ptr;
-		addr += start & (PAGE_SIZE - 1);
-		write_lock_irqsave(&ha->hw_lock, flags);
+	write_unlock_irqrestore(&ha->hw_lock, flags);
+	mem_base = pci_resource_start(ha->pdev, 0);
+	mem_page = start & PAGE_MASK;
+	/* Map two pages whenever user tries to access addresses in two
+	* consecutive pages.
+	*/
+	if (mem_page != ((start + size - 1) & PAGE_MASK))
+		mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
+	else
+		mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+	if (mem_ptr == 0UL) {
+		*(u8  *)data = 0;
+		return -1;
 	}
+	addr = mem_ptr;
+	addr += start & (PAGE_SIZE - 1);
+	write_lock_irqsave(&ha->hw_lock, flags);
 
 	switch (size) {
 	case 1:
@@ -734,7 +733,7 @@ qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
 	u64 off, void *data, int size)
 {
 	unsigned long   flags;
-	void           *addr;
+	void           *addr = NULL;
 	int             ret = 0;
 	u64             start;
 	uint8_t         *mem_ptr = NULL;
@@ -757,25 +756,22 @@ qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
 		return -1;
 	}
 
-	addr = qla82xx_pci_base_offsetfset(ha, start);
-	if (!addr) {
-		write_unlock_irqrestore(&ha->hw_lock, flags);
-		mem_base = pci_resource_start(ha->pdev, 0);
-		mem_page = start & PAGE_MASK;
-		/* Map two pages whenever user tries to access addresses in two
-		 * consecutive pages.
-		 */
-		if (mem_page != ((start + size - 1) & PAGE_MASK))
-			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
-		else
-			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
-		if (mem_ptr == 0UL)
-			return -1;
+	write_unlock_irqrestore(&ha->hw_lock, flags);
+	mem_base = pci_resource_start(ha->pdev, 0);
+	mem_page = start & PAGE_MASK;
+	/* Map two pages whenever user tries to access addresses in two
+	 * consecutive pages.
+	 */
+	if (mem_page != ((start + size - 1) & PAGE_MASK))
+		mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
+	else
+		mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+	if (mem_ptr == 0UL)
+		return -1;
 
-		addr = mem_ptr;
-		addr += start & (PAGE_SIZE - 1);
-		write_lock_irqsave(&ha->hw_lock, flags);
-	}
+	addr = mem_ptr;
+	addr += start & (PAGE_SIZE - 1);
+	write_lock_irqsave(&ha->hw_lock, flags);
 
 	switch (size) {
 	case 1:
@@ -1866,6 +1862,14 @@ void qla82xx_config_rings(struct scsi_qla_host *vha)
 	WRT_REG_DWORD((unsigned long  __iomem *)&reg->rsp_q_out[0], 0);
 }
 
+void qla82xx_reset_adapter(struct scsi_qla_host *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	vha->flags.online = 0;
+	qla2x00_try_to_stop_firmware(vha);
+	ha->isp_ops->disable_intrs(ha);
+}
+
 int qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
 {
 	u64 *ptr64;
@@ -2093,15 +2097,7 @@ qla82xx_intr_handler(int irq, void *dev_id)
 
 		if (RD_REG_DWORD(&reg->host_int)) {
 			stat = RD_REG_DWORD(&reg->host_status);
-			if (stat & HSRX_RISC_PAUSED) {
-				if (pci_channel_offline(ha->pdev))
-					break;
-
-				qla_printk(KERN_INFO, ha, "RISC paused\n");
-				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
-				qla2xxx_wake_dpc(vha);
-				break;
-			} else if ((stat & HSRX_RISC_INT) == 0)
+			if ((stat & HSRX_RISC_INT) == 0)
 				break;
 
 			switch (stat & 0xff) {
@@ -2177,15 +2173,7 @@ qla82xx_msix_default(int irq, void *dev_id)
 	do {
 		if (RD_REG_DWORD(&reg->host_int)) {
 			stat = RD_REG_DWORD(&reg->host_status);
-			if (stat & HSRX_RISC_PAUSED) {
-				if (pci_channel_offline(ha->pdev))
-					break;
-
-				qla_printk(KERN_INFO, ha, "RISC paused\n");
-				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
-				qla2xxx_wake_dpc(vha);
-				break;
-			} else if ((stat & HSRX_RISC_INT) == 0)
+			if ((stat & HSRX_RISC_INT) == 0)
 				break;
 
 			switch (stat & 0xff) {
@@ -3348,6 +3336,9 @@ qla82xx_need_reset_handler(scsi_qla_host_t *vha)
 	}
 
 	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+	qla_printk(KERN_INFO, ha, "3:Device state is 0x%x = %s\n", dev_state,
+		dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
+
 	/* Force to DEV_COLD unless someone else is starting a reset */
 	if (dev_state != QLA82XX_DEV_INITIALIZING) {
 		qla_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n");
@@ -3398,7 +3389,6 @@ int
 qla82xx_device_state_handler(scsi_qla_host_t *vha)
 {
 	uint32_t dev_state;
-	uint32_t drv_active;
 	int rval = QLA_SUCCESS;
 	unsigned long dev_init_timeout;
 	struct qla_hw_data *ha = vha->hw;
@@ -3407,38 +3397,9 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha)
 	if (!vha->flags.init_done)
 		qla82xx_set_drv_active(vha);
 
-	/* Set cold state*/
-	if (!PCI_FUNC(ha->pdev->devfn & 1)) {
-
-		/* Check if other functions alive, else set dev state
-		 * to cold
-		 */
-		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
-		drv_active &= ~(1 << (ha->portnum * 4));
-		drv_active &= ~(1 << ((ha->portnum + 1) * 4));
-
-		dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
-		if (!drv_active) {
-
-			switch (dev_state) {
-			case QLA82XX_DEV_COLD:
-			case QLA82XX_DEV_READY:
-			case QLA82XX_DEV_INITIALIZING:
-			case QLA82XX_DEV_NEED_RESET:
-			case QLA82XX_DEV_NEED_QUIESCENT:
-			case QLA82XX_DEV_QUIESCENT:
-			case QLA82XX_DEV_FAILED:
-				break;
-			default:
-				qla_printk(KERN_INFO, ha,
-					"No other function exist,"
-					" resetting dev state to COLD\n");
-				qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
-					QLA82XX_DEV_COLD);
-				break;
-			}
-		}
-	}
+	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+	qla_printk(KERN_INFO, ha, "1:Device state is 0x%x = %s\n", dev_state,
+		dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
 
 	/* wait for 30 seconds for device to go ready */
 	dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
@@ -3453,6 +3414,11 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha)
 			break;
 		}
 		dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+		qla_printk(KERN_INFO, ha,
+			"2:Device state is 0x%x = %s\n", dev_state,
+			dev_state < MAX_STATES ?
+			qdev_state[dev_state] : "Unknown");
+
 		switch (dev_state) {
 		case QLA82XX_DEV_READY:
 			goto exit;
@@ -3545,12 +3511,14 @@ qla82xx_abort_isp(scsi_qla_host_t *vha)
 
 	qla82xx_idc_lock(ha);
 	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
-	if (dev_state != QLA82XX_DEV_INITIALIZING) {
+	if (dev_state == QLA82XX_DEV_READY) {
 		qla_printk(KERN_INFO, ha, "HW State: NEED RESET\n");
 		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
 			QLA82XX_DEV_NEED_RESET);
 	} else
-		qla_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n");
+		qla_printk(KERN_INFO, ha, "HW State: %s\n",
+			dev_state < MAX_STATES ?
+			qdev_state[dev_state] : "Unknown");
 	qla82xx_idc_unlock(ha);
 
 	rval = qla82xx_device_state_handler(vha);
@@ -3561,6 +3529,39 @@ qla82xx_abort_isp(scsi_qla_host_t *vha)
 
 	if (rval == QLA_SUCCESS)
 		qla82xx_restart_isp(vha);
+
+	if (rval) {
+		vha->flags.online = 1;
+		if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+			if (ha->isp_abort_cnt == 0) {
+				qla_printk(KERN_WARNING, ha,
+				    "ISP error recovery failed - "
+				    "board disabled\n");
+				/*
+				 * The next call disables the board
+				 * completely.
+				 */
+				ha->isp_ops->reset_adapter(vha);
+				vha->flags.online = 0;
+				clear_bit(ISP_ABORT_RETRY,
+				    &vha->dpc_flags);
+				rval = QLA_SUCCESS;
+			} else { /* schedule another ISP abort */
+				ha->isp_abort_cnt--;
+				DEBUG(qla_printk(KERN_INFO, ha,
+				    "qla%ld: ISP abort - retry remaining %d\n",
+				    vha->host_no, ha->isp_abort_cnt));
+				rval = QLA_FUNCTION_FAILED;
+			}
+		} else {
+			ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
+			DEBUG(qla_printk(KERN_INFO, ha,
+			    "(%ld): ISP error recovery - retrying (%d) "
+			    "more times\n", vha->host_no, ha->isp_abort_cnt));
+			set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
+			rval = QLA_FUNCTION_FAILED;
+		}
+	}
 	return rval;
 }
 
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
index 7804bbbb3db..f8f99a5ea53 100644
--- a/drivers/scsi/qla2xxx/qla_nx.h
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -545,13 +545,14 @@
 #define QLA82XX_CRB_DEV_PART_INFO    (QLA82XX_CAM_RAM(0x14c))
 
 /* Every driver should use these Device State */
-#define QLA82XX_DEV_COLD	    1
-#define QLA82XX_DEV_INITIALIZING    2
-#define QLA82XX_DEV_READY	    3
-#define QLA82XX_DEV_NEED_RESET	    4
-#define QLA82XX_DEV_NEED_QUIESCENT  5
-#define QLA82XX_DEV_FAILED	    6
-#define QLA82XX_DEV_QUIESCENT	    7
+#define QLA82XX_DEV_COLD		1
+#define QLA82XX_DEV_INITIALIZING	2
+#define QLA82XX_DEV_READY		3
+#define QLA82XX_DEV_NEED_RESET		4
+#define QLA82XX_DEV_NEED_QUIESCENT	5
+#define QLA82XX_DEV_FAILED		6
+#define QLA82XX_DEV_QUIESCENT		7
+#define	MAX_STATES			8 /* Increment if new state added */
 
 #define QLA82XX_IDC_VERSION			1
 #define QLA82XX_ROM_DEV_INIT_TIMEOUT		30

From e28393c0c4416dffb46ca481e670f10c6a35baca Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:23 -0300
Subject: [PATCH 1501/3638] thinkpad-acpi: constrain IBM-era support to IBM
 boxes

Lenovo is playing around with its ACPI BIOS, and will end up reusing
method names.  Their memory is not nearly as long as thinkpad-acpi's...

Secure most of the old IBM codepaths against running in a non-IBM box.
This would happen on the Lenovo X100e in video_init(), for example.  We
would misdetect it as an ancient model 570 firmware.

Also, refuse to load the driver if we cannot identify the vendor.  No
ACPI ThinkPad in existence lacks this information, AFAIK.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 57 +++++++++++++++++++---------
 1 file changed, 39 insertions(+), 18 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 63290b33c87..21759dacff6 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -480,6 +480,15 @@ static unsigned long __init tpacpi_check_quirks(
 	return 0;
 }
 
+static inline bool __pure __init tpacpi_is_lenovo(void)
+{
+	return thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO;
+}
+
+static inline bool __pure __init tpacpi_is_ibm(void)
+{
+	return thinkpad_id.vendor == PCI_VENDOR_ID_IBM;
+}
 
 /****************************************************************************
  ****************************************************************************
@@ -1886,7 +1895,9 @@ static int __init thinkpad_acpi_driver_init(struct ibm_init_struct *iibm)
 		(thinkpad_id.ec_version_str) ?
 			thinkpad_id.ec_version_str : "unknown");
 
-	if (thinkpad_id.vendor && thinkpad_id.model_str)
+	BUG_ON(!thinkpad_id.vendor);
+
+	if (thinkpad_id.model_str)
 		printk(TPACPI_INFO "%s %s, model %s\n",
 			(thinkpad_id.vendor == PCI_VENDOR_ID_IBM) ?
 				"IBM" : ((thinkpad_id.vendor ==
@@ -3353,7 +3364,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 		goto err_exit;
 	}
 
-	if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
+	if (tpacpi_is_lenovo()) {
 		dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
 			   "using Lenovo default hot key map\n");
 		memcpy(hotkey_keycode_map, &lenovo_keycode_map,
@@ -4422,7 +4433,8 @@ static int __init video_init(struct ibm_init_struct *iibm)
 	vdbg_printk(TPACPI_DBG_INIT, "initializing video subdriver\n");
 
 	TPACPI_ACPIHANDLE_INIT(vid);
-	TPACPI_ACPIHANDLE_INIT(vid2);
+	if (tpacpi_is_ibm())
+		TPACPI_ACPIHANDLE_INIT(vid2);
 
 	if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga)
 		/* G41, assume IVGA doesn't change */
@@ -4431,10 +4443,12 @@ static int __init video_init(struct ibm_init_struct *iibm)
 	if (!vid_handle)
 		/* video switching not supported on R30, R31 */
 		video_supported = TPACPI_VIDEO_NONE;
-	else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd"))
+	else if (tpacpi_is_ibm() &&
+		 acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd"))
 		/* 570 */
 		video_supported = TPACPI_VIDEO_570;
-	else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd"))
+	else if (tpacpi_is_ibm() &&
+		 acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd"))
 		/* 600e/x, 770e, 770x */
 		video_supported = TPACPI_VIDEO_770;
 	else
@@ -4811,8 +4825,10 @@ static int __init light_init(struct ibm_init_struct *iibm)
 
 	vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n");
 
-	TPACPI_ACPIHANDLE_INIT(ledb);
-	TPACPI_ACPIHANDLE_INIT(lght);
+	if (tpacpi_is_ibm()) {
+		TPACPI_ACPIHANDLE_INIT(ledb);
+		TPACPI_ACPIHANDLE_INIT(lght);
+	}
 	TPACPI_ACPIHANDLE_INIT(cmos);
 	INIT_WORK(&tpacpi_led_thinklight.work, light_set_status_worker);
 
@@ -5284,10 +5300,10 @@ static int __init led_init(struct ibm_init_struct *iibm)
 	if (!led_handle)
 		/* led not supported on R30, R31 */
 		led_supported = TPACPI_LED_NONE;
-	else if (strlencmp(led_path, "SLED") == 0)
+	else if (tpacpi_is_ibm() && strlencmp(led_path, "SLED") == 0)
 		/* 570 */
 		led_supported = TPACPI_LED_570;
-	else if (strlencmp(led_path, "SYSL") == 0)
+	else if (tpacpi_is_ibm() && strlencmp(led_path, "SYSL") == 0)
 		/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
 		led_supported = TPACPI_LED_OLD;
 	else
@@ -5741,11 +5757,12 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
 			    TPACPI_THERMAL_TPEC_16 : TPACPI_THERMAL_TPEC_8;
 		}
 	} else if (acpi_tmp7) {
-		if (acpi_evalf(ec_handle, NULL, "UPDT", "qv")) {
+		if (tpacpi_is_ibm() &&
+		    acpi_evalf(ec_handle, NULL, "UPDT", "qv")) {
 			/* 600e/x, 770e, 770x */
 			thermal_read_mode = TPACPI_THERMAL_ACPI_UPDT;
 		} else {
-			/* Standard ACPI TMPx access, max 8 sensors */
+			/* IBM/LENOVO DSDT EC.TMPx access, max 8 sensors */
 			thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07;
 		}
 	} else {
@@ -6249,7 +6266,7 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 	}
 
 	/* Safety */
-	if (thinkpad_id.vendor != PCI_VENDOR_ID_IBM &&
+	if (!tpacpi_is_ibm() &&
 	    (brightness_mode == TPACPI_BRGHT_MODE_ECNVRAM ||
 	     brightness_mode == TPACPI_BRGHT_MODE_EC))
 		return -EINVAL;
@@ -7968,9 +7985,11 @@ static int __init fan_init(struct ibm_init_struct *iibm)
 	tp_features.second_fan = 0;
 	fan_control_desired_level = 7;
 
-	TPACPI_ACPIHANDLE_INIT(fans);
-	TPACPI_ACPIHANDLE_INIT(gfan);
-	TPACPI_ACPIHANDLE_INIT(sfan);
+	if (tpacpi_is_ibm()) {
+		TPACPI_ACPIHANDLE_INIT(fans);
+		TPACPI_ACPIHANDLE_INIT(gfan);
+		TPACPI_ACPIHANDLE_INIT(sfan);
+	}
 
 	quirks = tpacpi_check_quirks(fan_quirk_table,
 				     ARRAY_SIZE(fan_quirk_table));
@@ -8662,6 +8681,10 @@ static int __init probe_for_thinkpad(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
+	/* It would be dangerous to run the driver in this case */
+	if (!tpacpi_is_ibm() && !tpacpi_is_lenovo())
+		return -ENODEV;
+
 	/*
 	 * Non-ancient models have better DMI tagging, but very old models
 	 * don't.  tpacpi_is_fw_known() is a cheat to help in that case.
@@ -9059,9 +9082,7 @@ static int __init thinkpad_acpi_module_init(void)
 		tpacpi_inputdev->name = "ThinkPad Extra Buttons";
 		tpacpi_inputdev->phys = TPACPI_DRVR_NAME "/input0";
 		tpacpi_inputdev->id.bustype = BUS_HOST;
-		tpacpi_inputdev->id.vendor = (thinkpad_id.vendor) ?
-						thinkpad_id.vendor :
-						PCI_VENDOR_ID_IBM;
+		tpacpi_inputdev->id.vendor = thinkpad_id.vendor;
 		tpacpi_inputdev->id.product = TPACPI_HKEY_INPUT_PRODUCT;
 		tpacpi_inputdev->id.version = TPACPI_HKEY_INPUT_VERSION;
 		tpacpi_inputdev->dev.parent = &tpacpi_pdev->dev;

From a318930d06a7a93bd50000c7112f995b459adda7 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:26 -0300
Subject: [PATCH 1502/3638] thinkpad-acpi: X100e quick fixes

The X100e needs some quick fixes to work semi-right with this driver.
There are much better ways to do this, but we can start with a quick
update and do it properly later.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 21759dacff6..7817cef6aae 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -516,6 +516,7 @@ TPACPI_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0",	/* 240, 240x */
 	   "\\_SB.PCI0.ISA.EC",	/* A21e, A2xm/p, T20-22, X20-21 */
 	   "\\_SB.PCI0.AD4S.EC0",	/* i1400, R30 */
 	   "\\_SB.PCI0.ICH3.EC0",	/* R31 */
+	   "\\_SB.PCI0.LPC0.EC",	/* X100e and a few others */
 	   "\\_SB.PCI0.LPC.EC",	/* all others */
 	   );
 
@@ -537,6 +538,7 @@ TPACPI_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA",	/* 570 */
 	   "\\_SB.PCI0.AGP0.VID0",	/* 600e/x, 770x */
 	   "\\_SB.PCI0.VID0",	/* 770e */
 	   "\\_SB.PCI0.VID",	/* A21e, G4x, R50e, X30, X40 */
+	   "\\_SB.PCI0.AGP.VGA",	/* X100e and a few others */
 	   "\\_SB.PCI0.AGP.VID",	/* all others */
 	   );				/* R30, R31 */
 

From 5d756db99a7382d5cd173e912d527e9ee73d0596 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:28 -0300
Subject: [PATCH 1503/3638] thinkpad-acpi: fix volume/mute hotkey poll handling

The hotkey polling code is supposed to generate hotkey messages as
close to the way the IBM event-based volume hotkey firmware does as
possible, i.e:

* Pressing MUTE issues a mute hotkey event, even if already mute;

* Pressing Volume up/down issues a volume up/down hotkey event,
  even if already at maximum or minumum volume;

* The act of unmuting issues a volume up/down event, depending on
  which hotkey was used to unmute.

Fix the code to do just that (mute handling was incorrect), and handle
multiple hotkey presses between two polling cycles.

The new code uses the volume_toggle bit in NVRAM only to detect
repeated presses of the mute key and multiple presses of the volume
keys trying to go past the end of the volume scale.  This will work
around a bug in recent Lenovo firmware (e.g. T400), which causes the
firmware to not update the volume_toggle bit in certain situations.

Reported-by: Yang Zhe <yangzhe1990@gmail.com>
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 71 ++++++++++++++++++++++------
 1 file changed, 57 insertions(+), 14 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 7817cef6aae..1f27b350ae0 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -122,6 +122,11 @@ enum {
 	TP_NVRAM_POS_LEVEL_VOLUME	= 0,
 };
 
+/* Misc NVRAM-related */
+enum {
+	TP_NVRAM_LEVEL_VOLUME_MAX = 14,
+};
+
 /* ACPI HIDs */
 #define TPACPI_ACPI_HKEY_HID		"IBM0068"
 
@@ -2418,6 +2423,21 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
 			tpacpi_hotkey_send_key(__scancode); \
 	} while (0)
 
+	void issue_volchange(const unsigned int oldvol,
+			     const unsigned int newvol)
+	{
+		unsigned int i = oldvol;
+
+		while (i > newvol) {
+			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
+			i--;
+		}
+		while (i < newvol) {
+			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
+			i++;
+		}
+	}
+
 	TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle);
 	TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNSPACE, zoom_toggle);
 	TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF7, display_toggle);
@@ -2427,24 +2447,47 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
 
 	TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF8, displayexp_toggle);
 
-	/* handle volume */
-	if (oldn->volume_toggle != newn->volume_toggle) {
-		if (oldn->mute != newn->mute) {
+	/*
+	 * Handle volume
+	 *
+	 * This code is supposed to duplicate the IBM firmware behaviour:
+	 * - Pressing MUTE issues mute hotkey message, even when already mute
+	 * - Pressing Volume up/down issues volume up/down hotkey messages,
+	 *   even when already at maximum or minumum volume
+	 * - The act of unmuting issues volume up/down notification,
+	 *   depending which key was used to unmute
+	 *
+	 * We are constrained to what the NVRAM can tell us, which is not much
+	 * and certainly not enough if more than one volume hotkey was pressed
+	 * since the last poll cycle.
+	 *
+	 * Just to make our life interesting, some newer Lenovo ThinkPads have
+	 * bugs in the BIOS and may fail to update volume_toggle properly.
+	 */
+	if (newn->mute) {
+		/* muted */
+		if (!oldn->mute ||
+		    oldn->volume_toggle != newn->volume_toggle ||
+		    oldn->volume_level != newn->volume_level) {
+			/* recently muted, or repeated mute keypress, or
+			 * multiple presses ending in mute */
+			issue_volchange(oldn->volume_level, newn->volume_level);
 			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_MUTE);
 		}
-		if (oldn->volume_level > newn->volume_level) {
-			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
-		} else if (oldn->volume_level < newn->volume_level) {
+	} else {
+		/* unmute */
+		if (oldn->mute) {
+			/* recently unmuted, issue 'unmute' keypress */
 			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
-		} else if (oldn->mute == newn->mute) {
-			/* repeated key presses that didn't change state */
-			if (newn->mute) {
-				TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_MUTE);
-			} else if (newn->volume_level != 0) {
-				TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
-			} else {
+		}
+		if (oldn->volume_level != newn->volume_level) {
+			issue_volchange(oldn->volume_level, newn->volume_level);
+		} else if (oldn->volume_toggle != newn->volume_toggle) {
+			/* repeated vol up/down keypress at end of scale ? */
+			if (newn->volume_level == 0)
 				TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
-			}
+			else if (newn->volume_level >= TP_NVRAM_LEVEL_VOLUME_MAX)
+				TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
 		}
 	}
 

From 7a43f788988ac47b21ce258197c5014b5249c9f5 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:31 -0300
Subject: [PATCH 1504/3638] thinkpad-acpi: move greeting messages out of the
 first subdriver (v2)

Move the driver initial greetings out of the first subdriver, as we do a
lot of other initialization before that point, and the initial greetings
should go as soon as the driver decides that it should load.

These greetings are not cosmetic, they make my life easier when users
report bugs.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 56 ++++++++++++++--------------
 1 file changed, 27 insertions(+), 29 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 1f27b350ae0..a768a69d58d 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -1888,36 +1888,9 @@ static bool __init tpacpi_is_fw_known(void)
  ****************************************************************************/
 
 /*************************************************************************
- * thinkpad-acpi init subdriver
+ * thinkpad-acpi metadata subdriver
  */
 
-static int __init thinkpad_acpi_driver_init(struct ibm_init_struct *iibm)
-{
-	printk(TPACPI_INFO "%s v%s\n", TPACPI_DESC, TPACPI_VERSION);
-	printk(TPACPI_INFO "%s\n", TPACPI_URL);
-
-	printk(TPACPI_INFO "ThinkPad BIOS %s, EC %s\n",
-		(thinkpad_id.bios_version_str) ?
-			thinkpad_id.bios_version_str : "unknown",
-		(thinkpad_id.ec_version_str) ?
-			thinkpad_id.ec_version_str : "unknown");
-
-	BUG_ON(!thinkpad_id.vendor);
-
-	if (thinkpad_id.model_str)
-		printk(TPACPI_INFO "%s %s, model %s\n",
-			(thinkpad_id.vendor == PCI_VENDOR_ID_IBM) ?
-				"IBM" : ((thinkpad_id.vendor ==
-						PCI_VENDOR_ID_LENOVO) ?
-					"Lenovo" : "Unknown vendor"),
-			thinkpad_id.model_str,
-			(thinkpad_id.nummodel_str) ?
-				thinkpad_id.nummodel_str : "unknown");
-
-	tpacpi_check_outdated_fw();
-	return 0;
-}
-
 static int thinkpad_acpi_driver_read(struct seq_file *m)
 {
 	seq_printf(m, "driver:\t\t%s\n", TPACPI_DESC);
@@ -8753,12 +8726,34 @@ static int __init probe_for_thinkpad(void)
 	return 0;
 }
 
+static void __init thinkpad_acpi_init_banner(void)
+{
+	printk(TPACPI_INFO "%s v%s\n", TPACPI_DESC, TPACPI_VERSION);
+	printk(TPACPI_INFO "%s\n", TPACPI_URL);
+
+	printk(TPACPI_INFO "ThinkPad BIOS %s, EC %s\n",
+		(thinkpad_id.bios_version_str) ?
+			thinkpad_id.bios_version_str : "unknown",
+		(thinkpad_id.ec_version_str) ?
+			thinkpad_id.ec_version_str : "unknown");
+
+	BUG_ON(!thinkpad_id.vendor);
+
+	if (thinkpad_id.model_str)
+		printk(TPACPI_INFO "%s %s, model %s\n",
+			(thinkpad_id.vendor == PCI_VENDOR_ID_IBM) ?
+				"IBM" : ((thinkpad_id.vendor ==
+						PCI_VENDOR_ID_LENOVO) ?
+					"Lenovo" : "Unknown vendor"),
+			thinkpad_id.model_str,
+			(thinkpad_id.nummodel_str) ?
+				thinkpad_id.nummodel_str : "unknown");
+}
 
 /* Module init, exit, parameters */
 
 static struct ibm_init_struct ibms_init[] __initdata = {
 	{
-		.init = thinkpad_acpi_driver_init,
 		.data = &thinkpad_acpi_driver_data,
 	},
 	{
@@ -9028,6 +9023,9 @@ static int __init thinkpad_acpi_module_init(void)
 
 	/* Driver initialization */
 
+	thinkpad_acpi_init_banner();
+	tpacpi_check_outdated_fw();
+
 	TPACPI_ACPIHANDLE_INIT(ecrd);
 	TPACPI_ACPIHANDLE_INIT(ecwr);
 

From 77775838bb76173d7a1ed28f75dfe388962aceca Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:33 -0300
Subject: [PATCH 1505/3638] thinkpad-acpi: let other subdrivers know backlight
 level range

Extract the backlight level range size detection from the brightness
subdriver, and allow the other subdrivers access to that information.

This also allows us to relocate some code to a more convenient place.
The moved code was largerly unmodified, except for the return type of
tpacpi_check_std_acpi_brightness_support(), which now is correctly
marked as returning "unsigned int", and and two cosmetic fixes to make
checkpatch.pl happy.

Fixes for the NVRAM polling mode for the brightness hotkeys will need
this.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 251 +++++++++++++++------------
 1 file changed, 140 insertions(+), 111 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index a768a69d58d..b03bf5153b0 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -304,8 +304,8 @@ static struct {
 	u32 hotkey_tablet:1;
 	u32 light:1;
 	u32 light_status:1;
-	u32 bright_16levels:1;
 	u32 bright_acpimode:1;
+	u32 bright_unkfw:1;
 	u32 wan:1;
 	u32 uwb:1;
 	u32 fan_ctrl_status_undef:1;
@@ -368,6 +368,9 @@ struct tpacpi_led_classdev {
 	unsigned int led;
 };
 
+/* brightness level capabilities */
+static unsigned int bright_maxlvl;	/* 0 = unknown */
+
 #ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
 static int dbg_wlswemul;
 static int tpacpi_wlsw_emulstate;
@@ -1051,80 +1054,6 @@ static void tpacpi_disable_brightness_delay(void)
 			"ACPI backlight control delay disabled\n");
 }
 
-static int __init tpacpi_query_bcl_levels(acpi_handle handle)
-{
-	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-	union acpi_object *obj;
-	int rc;
-
-	if (ACPI_SUCCESS(acpi_evaluate_object(handle, NULL, NULL, &buffer))) {
-		obj = (union acpi_object *)buffer.pointer;
-		if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) {
-			printk(TPACPI_ERR "Unknown _BCL data, "
-			       "please report this to %s\n", TPACPI_MAIL);
-			rc = 0;
-		} else {
-			rc = obj->package.count;
-		}
-	} else {
-		return 0;
-	}
-
-	kfree(buffer.pointer);
-	return rc;
-}
-
-static acpi_status __init tpacpi_acpi_walk_find_bcl(acpi_handle handle,
-					u32 lvl, void *context, void **rv)
-{
-	char name[ACPI_PATH_SEGMENT_LENGTH];
-	struct acpi_buffer buffer = { sizeof(name), &name };
-
-	if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer)) &&
-	    !strncmp("_BCL", name, sizeof(name) - 1)) {
-		BUG_ON(!rv || !*rv);
-		**(int **)rv = tpacpi_query_bcl_levels(handle);
-		return AE_CTRL_TERMINATE;
-	} else {
-		return AE_OK;
-	}
-}
-
-/*
- * Returns 0 (no ACPI _BCL or _BCL invalid), or size of brightness map
- */
-static int __init tpacpi_check_std_acpi_brightness_support(void)
-{
-	int status;
-	int bcl_levels = 0;
-	void *bcl_ptr = &bcl_levels;
-
-	if (!vid_handle) {
-		TPACPI_ACPIHANDLE_INIT(vid);
-	}
-	if (!vid_handle)
-		return 0;
-
-	/*
-	 * Search for a _BCL method, and execute it.  This is safe on all
-	 * ThinkPads, and as a side-effect, _BCL will place a Lenovo Vista
-	 * BIOS in ACPI backlight control mode.  We do NOT have to care
-	 * about calling the _BCL method in an enabled video device, any
-	 * will do for our purposes.
-	 */
-
-	status = acpi_walk_namespace(ACPI_TYPE_METHOD, vid_handle, 3,
-				     tpacpi_acpi_walk_find_bcl, NULL, NULL,
-				     &bcl_ptr);
-
-	if (ACPI_SUCCESS(status) && bcl_levels > 2) {
-		tp_features.bright_acpimode = 1;
-		return (bcl_levels - 2);
-	}
-
-	return 0;
-}
-
 static void printk_deprecated_attribute(const char * const what,
 					const char * const details)
 {
@@ -3420,11 +3349,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 	}
 
 	/* Do not issue duplicate brightness change events to
-	 * userspace */
-	if (!tp_features.bright_acpimode)
-		/* update bright_acpimode... */
-		tpacpi_check_std_acpi_brightness_support();
-
+	 * userspace. tpacpi_detect_brightness_capabilities() must have
+	 * been called before this point  */
 	if (tp_features.bright_acpimode && acpi_video_backlight_support()) {
 		printk(TPACPI_INFO
 		       "This ThinkPad has standard ACPI backlight "
@@ -5989,7 +5915,7 @@ static unsigned int tpacpi_brightness_nvram_get(void)
 	lnvram = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
 		  & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
 		  >> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
-	lnvram &= (tp_features.bright_16levels) ? 0x0f : 0x07;
+	lnvram &= bright_maxlvl;
 
 	return lnvram;
 }
@@ -6098,8 +6024,7 @@ static int brightness_set(unsigned int value)
 {
 	int res;
 
-	if (value > ((tp_features.bright_16levels)? 15 : 7) ||
-	    value < 0)
+	if (value > bright_maxlvl || value < 0)
 		return -EINVAL;
 
 	vdbg_printk(TPACPI_DBG_BRGHT,
@@ -6174,6 +6099,80 @@ static struct backlight_ops ibm_backlight_data = {
 
 /* --------------------------------------------------------------------- */
 
+static int __init tpacpi_query_bcl_levels(acpi_handle handle)
+{
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object *obj;
+	int rc;
+
+	if (ACPI_SUCCESS(acpi_evaluate_object(handle, NULL, NULL, &buffer))) {
+		obj = (union acpi_object *)buffer.pointer;
+		if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) {
+			printk(TPACPI_ERR "Unknown _BCL data, "
+			       "please report this to %s\n", TPACPI_MAIL);
+			rc = 0;
+		} else {
+			rc = obj->package.count;
+		}
+	} else {
+		return 0;
+	}
+
+	kfree(buffer.pointer);
+	return rc;
+}
+
+static acpi_status __init tpacpi_acpi_walk_find_bcl(acpi_handle handle,
+					u32 lvl, void *context, void **rv)
+{
+	char name[ACPI_PATH_SEGMENT_LENGTH];
+	struct acpi_buffer buffer = { sizeof(name), &name };
+
+	if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer)) &&
+	    !strncmp("_BCL", name, sizeof(name) - 1)) {
+		BUG_ON(!rv || !*rv);
+		**(int **)rv = tpacpi_query_bcl_levels(handle);
+		return AE_CTRL_TERMINATE;
+	} else {
+		return AE_OK;
+	}
+}
+
+/*
+ * Returns 0 (no ACPI _BCL or _BCL invalid), or size of brightness map
+ */
+static unsigned int __init tpacpi_check_std_acpi_brightness_support(void)
+{
+	int status;
+	int bcl_levels = 0;
+	void *bcl_ptr = &bcl_levels;
+
+	if (!vid_handle)
+		TPACPI_ACPIHANDLE_INIT(vid);
+
+	if (!vid_handle)
+		return 0;
+
+	/*
+	 * Search for a _BCL method, and execute it.  This is safe on all
+	 * ThinkPads, and as a side-effect, _BCL will place a Lenovo Vista
+	 * BIOS in ACPI backlight control mode.  We do NOT have to care
+	 * about calling the _BCL method in an enabled video device, any
+	 * will do for our purposes.
+	 */
+
+	status = acpi_walk_namespace(ACPI_TYPE_METHOD, vid_handle, 3,
+				     tpacpi_acpi_walk_find_bcl, NULL, NULL,
+				     &bcl_ptr);
+
+	if (ACPI_SUCCESS(status) && bcl_levels > 2) {
+		tp_features.bright_acpimode = 1;
+		return bcl_levels - 2;
+	}
+
+	return 0;
+}
+
 /*
  * These are only useful for models that have only one possibility
  * of GPU.  If the BIOS model handles both ATI and Intel, don't use
@@ -6204,6 +6203,47 @@ static const struct tpacpi_quirk brightness_quirk_table[] __initconst = {
 	TPACPI_Q_IBM('7', '5', TPACPI_BRGHT_Q_NOEC),	/* X41 Tablet */
 };
 
+/*
+ * Returns < 0 for error, otherwise sets tp_features.bright_*
+ * and bright_maxlvl.
+ */
+static void __init tpacpi_detect_brightness_capabilities(void)
+{
+	unsigned int b;
+
+	vdbg_printk(TPACPI_DBG_INIT,
+		    "detecting firmware brightness interface capabilities\n");
+
+	/* we could run a quirks check here (same table used by
+	 * brightness_init) if needed */
+
+	/*
+	 * We always attempt to detect acpi support, so as to switch
+	 * Lenovo Vista BIOS to ACPI brightness mode even if we are not
+	 * going to publish a backlight interface
+	 */
+	b = tpacpi_check_std_acpi_brightness_support();
+	switch (b) {
+	case 16:
+		bright_maxlvl = 15;
+		printk(TPACPI_INFO
+		       "detected a 16-level brightness capable ThinkPad\n");
+		break;
+	case 8:
+	case 0:
+		bright_maxlvl = 7;
+		printk(TPACPI_INFO
+		       "detected a 8-level brightness capable ThinkPad\n");
+		break;
+	default:
+		printk(TPACPI_ERR
+		       "Unsupported brightness interface, "
+		       "please contact %s\n", TPACPI_MAIL);
+		tp_features.bright_unkfw = 1;
+		bright_maxlvl = b - 1;
+	}
+}
+
 static int __init brightness_init(struct ibm_init_struct *iibm)
 {
 	struct backlight_properties props;
@@ -6217,14 +6257,13 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 	quirks = tpacpi_check_quirks(brightness_quirk_table,
 				ARRAY_SIZE(brightness_quirk_table));
 
-	/*
-	 * We always attempt to detect acpi support, so as to switch
-	 * Lenovo Vista BIOS to ACPI brightness mode even if we are not
-	 * going to publish a backlight interface
-	 */
-	b = tpacpi_check_std_acpi_brightness_support();
-	if (b > 0) {
+	/* tpacpi_detect_brightness_capabilities() must have run already */
 
+	/* if it is unknown, we don't handle it: it wouldn't be safe */
+	if (tp_features.bright_unkfw)
+		return 1;
+
+	if (tp_features.bright_acpimode) {
 		if (acpi_video_backlight_support()) {
 			if (brightness_enable > 1) {
 				printk(TPACPI_NOTICE
@@ -6253,15 +6292,6 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 		return 1;
 	}
 
-	if (b > 16) {
-		printk(TPACPI_ERR
-		       "Unsupported brightness interface, "
-		       "please contact %s\n", TPACPI_MAIL);
-		return 1;
-	}
-	if (b == 16)
-		tp_features.bright_16levels = 1;
-
 	/*
 	 * Check for module parameter bogosity, note that we
 	 * init brightness_mode to TPACPI_BRGHT_MODE_MAX in order to be
@@ -6292,12 +6322,9 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 	if (tpacpi_brightness_get_raw(&b) < 0)
 		return 1;
 
-	if (tp_features.bright_16levels)
-		printk(TPACPI_INFO
-		       "detected a 16-level brightness capable ThinkPad\n");
-
 	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = (tp_features.bright_16levels) ? 15 : 7;
+	props.max_brightness = bright_maxlvl;
+	props.brightness = b & TP_EC_BACKLIGHT_LVLMSK;
 	ibm_backlight_device = backlight_device_register(TPACPI_BACKLIGHT_DEV_NAME,
 							 NULL, NULL,
 							 &ibm_backlight_data,
@@ -6320,7 +6347,6 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 			"or not on your ThinkPad\n", TPACPI_MAIL);
 	}
 
-	ibm_backlight_device->props.brightness = b & TP_EC_BACKLIGHT_LVLMSK;
 	backlight_update_status(ibm_backlight_device);
 
 	vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
@@ -6363,9 +6389,8 @@ static int brightness_read(struct seq_file *m)
 	} else {
 		seq_printf(m, "level:\t\t%d\n", level);
 		seq_printf(m, "commands:\tup, down\n");
-		seq_printf(m, "commands:\tlevel <level>"
-			       " (<level> is 0-%d)\n",
-			       (tp_features.bright_16levels) ? 15 : 7);
+		seq_printf(m, "commands:\tlevel <level> (<level> is 0-%d)\n",
+			       bright_maxlvl);
 	}
 
 	return 0;
@@ -6376,7 +6401,6 @@ static int brightness_write(char *buf)
 	int level;
 	int rc;
 	char *cmd;
-	int max_level = (tp_features.bright_16levels) ? 15 : 7;
 
 	level = brightness_get(NULL);
 	if (level < 0)
@@ -6384,13 +6408,13 @@ static int brightness_write(char *buf)
 
 	while ((cmd = next_cmd(&buf))) {
 		if (strlencmp(cmd, "up") == 0) {
-			if (level < max_level)
+			if (level < bright_maxlvl)
 				level++;
 		} else if (strlencmp(cmd, "down") == 0) {
 			if (level > 0)
 				level--;
 		} else if (sscanf(cmd, "level %d", &level) == 1 &&
-			   level >= 0 && level <= max_level) {
+			   level >= 0 && level <= bright_maxlvl) {
 			/* new level set */
 		} else
 			return -EINVAL;
@@ -9130,6 +9154,11 @@ static int __init thinkpad_acpi_module_init(void)
 		tpacpi_inputdev->id.version = TPACPI_HKEY_INPUT_VERSION;
 		tpacpi_inputdev->dev.parent = &tpacpi_pdev->dev;
 	}
+
+	/* Init subdriver dependencies */
+	tpacpi_detect_brightness_capabilities();
+
+	/* Init subdrivers */
 	for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
 		ret = ibm_init(&ibms_init[i]);
 		if (ret >= 0 && *ibms_init[i].param)

From 289990228155cbc58a35c1b266af00f387caa595 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:36 -0300
Subject: [PATCH 1506/3638] thinkpad-acpi: fix brightness hotkey poll handling

Handle multiple brightness hotkey presses between two polling cycles.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 36 ++++++++++++++++++----------
 1 file changed, 24 insertions(+), 12 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index b03bf5153b0..fa412a43f5e 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2340,6 +2340,21 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
 		}
 	}
 
+	void issue_brightnesschange(const unsigned int oldbrt,
+				    const unsigned int newbrt)
+	{
+		unsigned int i = oldbrt;
+
+		while (i > newbrt) {
+			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
+			i--;
+		}
+		while (i < newbrt) {
+			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
+			i++;
+		}
+	}
+
 	TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle);
 	TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNSPACE, zoom_toggle);
 	TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF7, display_toggle);
@@ -2394,19 +2409,16 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
 	}
 
 	/* handle brightness */
-	if (oldn->brightness_toggle != newn->brightness_toggle) {
-		if (oldn->brightness_level < newn->brightness_level) {
-			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
-		} else if (oldn->brightness_level > newn->brightness_level) {
+	if (oldn->brightness_level != newn->brightness_level) {
+		issue_brightnesschange(oldn->brightness_level,
+				       newn->brightness_level);
+	} else if (oldn->brightness_toggle != newn->brightness_toggle) {
+		/* repeated key presses that didn't change state */
+		if (newn->brightness_level == 0)
 			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
-		} else {
-			/* repeated key presses that didn't change state */
-			if (newn->brightness_level != 0) {
-				TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
-			} else {
-				TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
-			}
-		}
+		else if (newn->brightness_level >= bright_maxlvl
+				&& !tp_features.bright_unkfw)
+			TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
 	}
 
 #undef TPACPI_COMPARE_KEY

From 69df49eb31e14fb01d9404497b751bfda9bfa012 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:38 -0300
Subject: [PATCH 1507/3638] thinkpad-acpi: update HKEY and hotkey subdriver
 documentation (v2)

Update the hotkey driver documentation to match the behaviour
of the fixed NVRAM polling code.

This also documents some HKEY events such as the alarms,
which is very important information.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 Documentation/laptops/thinkpad-acpi.txt | 64 ++++++++++++++++++-------
 1 file changed, 48 insertions(+), 16 deletions(-)

diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index 39c0a09d010..fc15538d8b4 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -292,13 +292,13 @@ sysfs notes:
 
 		Warning: when in NVRAM mode, the volume up/down/mute
 		keys are synthesized according to changes in the mixer,
-		so you have to use volume up or volume down to unmute,
-		as per the ThinkPad volume mixer user interface.  When
-		in ACPI event mode, volume up/down/mute are reported as
-		separate events, but this behaviour may be corrected in
-		future releases of this driver, in which case the
-		ThinkPad volume mixer user interface semantics will be
-		enforced.
+		which uses a single volume up or volume down hotkey
+		press to unmute, as per the ThinkPad volume mixer user
+		interface.  When in ACPI event mode, volume up/down/mute
+		events are reported by the firmware and can behave
+		differently (and that behaviour changes with firmware
+		version -- not just with firmware models -- as well as
+		OSI(Linux) state).
 
 	hotkey_poll_freq:
 		frequency in Hz for hot key polling. It must be between
@@ -309,7 +309,7 @@ sysfs notes:
 		will cause hot key presses that require NVRAM polling
 		to never be reported.
 
-		Setting hotkey_poll_freq too low will cause repeated
+		Setting hotkey_poll_freq too low may cause repeated
 		pressings of the same hot key to be misreported as a
 		single key press, or to not even be detected at all.
 		The recommended polling frequency is 10Hz.
@@ -397,6 +397,7 @@ ACPI	Scan
 event	code	Key		Notes
 
 0x1001	0x00	FN+F1		-
+
 0x1002	0x01	FN+F2		IBM: battery (rare)
 				Lenovo: Screen lock
 
@@ -404,7 +405,8 @@ event	code	Key		Notes
 				this hot key, even with hot keys
 				disabled or with Fn+F3 masked
 				off
-				IBM: screen lock
+				IBM: screen lock, often turns
+				off the ThinkLight as side-effect
 				Lenovo: battery
 
 0x1004	0x03	FN+F4		Sleep button (ACPI sleep button
@@ -433,7 +435,8 @@ event	code	Key		Notes
 				Do you feel lucky today?
 
 0x1008	0x07	FN+F8		IBM: toggle screen expand
-				Lenovo: configure UltraNav
+				Lenovo: configure UltraNav,
+				or toggle screen expand
 
 0x1009	0x08	FN+F9		-
 	..	..		..
@@ -444,7 +447,7 @@ event	code	Key		Notes
 				either through the ACPI event,
 				or through a hotkey event.
 				The firmware may refuse to
-				generate further FN+F4 key
+				generate further FN+F12 key
 				press events until a S3 or S4
 				ACPI sleep cycle is performed,
 				or some time passes.
@@ -512,15 +515,19 @@ events for switches:
 SW_RFKILL_ALL	T60 and later hardware rfkill rocker switch
 SW_TABLET_MODE	Tablet ThinkPads HKEY events 0x5009 and 0x500A
 
-Non hot-key ACPI HKEY event map:
+Non hotkey ACPI HKEY event map:
+-------------------------------
+
+Events that are not propagated by the driver, except for legacy
+compatibility purposes when hotkey_report_mode is set to 1:
+
 0x5001		Lid closed
 0x5002		Lid opened
 0x5009		Tablet swivel: switched to tablet mode
 0x500A		Tablet swivel: switched to normal mode
 0x7000		Radio Switch may have changed state
 
-The above events are not propagated by the driver, except for legacy
-compatibility purposes when hotkey_report_mode is set to 1.
+Events that are never propagated by the driver:
 
 0x2304		System is waking up from suspend to undock
 0x2305		System is waking up from suspend to eject bay
@@ -528,14 +535,39 @@ compatibility purposes when hotkey_report_mode is set to 1.
 0x2405		System is waking up from hibernation to eject bay
 0x5010		Brightness level changed/control event
 
-The above events are never propagated by the driver.
+Events that are propagated by the driver to userspace:
 
+0x2313		ALARM: System is waking up from suspend because
+		the battery is nearly empty
+0x2413		ALARM: System is waking up from hibernation because
+		the battery is nearly empty
 0x3003		Bay ejection (see 0x2x05) complete, can sleep again
+0x3006		Bay hotplug request (hint to power up SATA link when
+		the optical drive tray is ejected)
 0x4003		Undocked (see 0x2x04), can sleep again
 0x500B		Tablet pen inserted into its storage bay
 0x500C		Tablet pen removed from its storage bay
+0x6011		ALARM: battery is too hot
+0x6012		ALARM: battery is extremely hot
+0x6021		ALARM: a sensor is too hot
+0x6022		ALARM: a sensor is extremely hot
+0x6030		System thermal table changed
 
-The above events are propagated by the driver.
+Battery nearly empty alarms are a last resort attempt to get the
+operating system to hibernate or shutdown cleanly (0x2313), or shutdown
+cleanly (0x2413) before power is lost.  They must be acted upon, as the
+wake up caused by the firmware will have negated most safety nets...
+
+When any of the "too hot" alarms happen, according to Lenovo the user
+should suspend or hibernate the laptop (and in the case of battery
+alarms, unplug the AC adapter) to let it cool down.  These alarms do
+signal that something is wrong, they should never happen on normal
+operating conditions.
+
+The "extremely hot" alarms are emergencies.  According to Lenovo, the
+operating system is to force either an immediate suspend or hibernate
+cycle, or a system shutdown.  Obviously, something is very wrong if this
+happens.
 
 Compatibility notes:
 

From 38e11cdec90f1dd7355db4aed8a1857258e99485 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:40 -0300
Subject: [PATCH 1508/3638] thinkpad-acpi: disclose usertask for ALSA callbacks

Disclose the user task doing ALSA access when requested by
the debug bitmask.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index fa412a43f5e..b03cb3e0458 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -6740,6 +6740,8 @@ static int volume_alsa_vol_get(struct snd_kcontrol *kcontrol,
 static int volume_alsa_vol_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
+	tpacpi_disclose_usertask("ALSA", "set volume to %ld\n",
+				 ucontrol->value.integer.value[0]);
 	return volume_alsa_set_volume(ucontrol->value.integer.value[0]);
 }
 
@@ -6763,6 +6765,9 @@ static int volume_alsa_mute_get(struct snd_kcontrol *kcontrol,
 static int volume_alsa_mute_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
+	tpacpi_disclose_usertask("ALSA", "%smute\n",
+				 ucontrol->value.integer.value[0] ?
+					"un" : "");
 	return volume_alsa_set_mute(!ucontrol->value.integer.value[0]);
 }
 

From 437e470c4ca818c97426afa3a67fbd7e34cffe00 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:43 -0300
Subject: [PATCH 1509/3638] thinkpad-acpi: detect EC node using its HID (v2)

Use the EC HID (PNP0C09) to locate its main node, instead of a static
list.

Suggested-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/thinkpad_acpi.c | 53 +++++++++++++++++++++-------
 1 file changed, 41 insertions(+), 12 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index b03cb3e0458..877a7802e83 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -129,6 +129,7 @@ enum {
 
 /* ACPI HIDs */
 #define TPACPI_ACPI_HKEY_HID		"IBM0068"
+#define TPACPI_ACPI_EC_HID		"PNP0C09"
 
 /* Input IDs */
 #define TPACPI_HKEY_INPUT_PRODUCT	0x5054 /* "TP" */
@@ -511,6 +512,7 @@ static inline bool __pure __init tpacpi_is_ibm(void)
  */
 
 static acpi_handle root_handle;
+static acpi_handle ec_handle;
 
 #define TPACPI_HANDLE(object, parent, paths...)			\
 	static acpi_handle  object##_handle;			\
@@ -518,16 +520,6 @@ static acpi_handle root_handle;
 	static char        *object##_path;			\
 	static char        *object##_paths[] = { paths }
 
-TPACPI_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0",	/* 240, 240x */
-	   "\\_SB.PCI.ISA.EC",	/* 570 */
-	   "\\_SB.PCI0.ISA0.EC0",	/* 600e/x, 770e, 770x */
-	   "\\_SB.PCI0.ISA.EC",	/* A21e, A2xm/p, T20-22, X20-21 */
-	   "\\_SB.PCI0.AD4S.EC0",	/* i1400, R30 */
-	   "\\_SB.PCI0.ICH3.EC0",	/* R31 */
-	   "\\_SB.PCI0.LPC0.EC",	/* X100e and a few others */
-	   "\\_SB.PCI0.LPC.EC",	/* all others */
-	   );
-
 TPACPI_HANDLE(ecrd, ec, "ECRD");	/* 570 */
 TPACPI_HANDLE(ecwr, ec, "ECWR");	/* 570 */
 
@@ -708,6 +700,43 @@ static void drv_acpi_handle_init(char *name,
 	*handle = NULL;
 }
 
+static acpi_status __init tpacpi_acpi_handle_locate_callback(acpi_handle handle,
+			u32 level, void *context, void **return_value)
+{
+	*(acpi_handle *)return_value = handle;
+
+	return AE_CTRL_TERMINATE;
+}
+
+static void __init tpacpi_acpi_handle_locate(const char *name,
+		const char *hid,
+		acpi_handle *handle)
+{
+	acpi_status status;
+	acpi_handle device_found;
+
+	BUG_ON(!name || !hid || !handle);
+	vdbg_printk(TPACPI_DBG_INIT,
+			"trying to locate ACPI handle for %s, using HID %s\n",
+			name, hid);
+
+	memset(&device_found, 0, sizeof(device_found));
+	status = acpi_get_devices(hid, tpacpi_acpi_handle_locate_callback,
+				  (void *)name, &device_found);
+
+	*handle = NULL;
+
+	if (ACPI_SUCCESS(status)) {
+		*handle = device_found;
+		dbg_printk(TPACPI_DBG_INIT,
+			   "Found ACPI handle for %s\n", name);
+	} else {
+		vdbg_printk(TPACPI_DBG_INIT,
+			    "Could not locate an ACPI handle for %s: %s\n",
+			    name, acpi_format_exception(status));
+	}
+}
+
 static void dispatch_acpi_notify(acpi_handle handle, u32 event, void *data)
 {
 	struct ibm_struct *ibm = data;
@@ -8752,8 +8781,8 @@ static int __init probe_for_thinkpad(void)
 		      (thinkpad_id.ec_model != 0) ||
 		      tpacpi_is_fw_known();
 
-	/* ec is required because many other handles are relative to it */
-	TPACPI_ACPIHANDLE_INIT(ec);
+	/* The EC handler is required */
+	tpacpi_acpi_handle_locate("ec", TPACPI_ACPI_EC_HID, &ec_handle);
 	if (!ec_handle) {
 		if (is_thinkpad)
 			printk(TPACPI_ERR

From 263f4a30e4f1dc5385650738c1dcf3728036ecc4 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:45 -0300
Subject: [PATCH 1510/3638] thinkpad-acpi: acpi_evalf fixes

Use acpi_format_exception() in acpi_evalf() instead of logging numeric
errors.

Also, when ACPICA returns an error, we should not be touching the return
object, as it is invalid.  In debug mode, acpi_evalf() callers would
printk the returned crap (but fortunately, not use it).

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 877a7802e83..da3a70b280f 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -605,9 +605,10 @@ static int acpi_evalf(acpi_handle handle,
 
 	switch (res_type) {
 	case 'd':		/* int */
-		if (res)
+		success = (status == AE_OK &&
+			   out_obj.type == ACPI_TYPE_INTEGER);
+		if (success && res)
 			*(int *)res = out_obj.integer.value;
-		success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER;
 		break;
 	case 'v':		/* void */
 		success = status == AE_OK;
@@ -620,8 +621,8 @@ static int acpi_evalf(acpi_handle handle,
 	}
 
 	if (!success && !quiet)
-		printk(TPACPI_ERR "acpi_evalf(%s, %s, ...) failed: %d\n",
-		       method, fmt0, status);
+		printk(TPACPI_ERR "acpi_evalf(%s, %s, ...) failed: %s\n",
+		       method, fmt0, acpi_format_exception(status));
 
 	return success;
 }

From 72f19921217c2267adc65cbe69c63da970578a14 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:48 -0300
Subject: [PATCH 1511/3638] thinkpad-acpi: explain errors from
 acpi_install_notify_handler

Log more human-friendly errors instead of numeric values when
setup_acpi_notify() fails to install a notification handler.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index da3a70b280f..a39f159d4f2 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -785,8 +785,8 @@ static int __init setup_acpi_notify(struct ibm_struct *ibm)
 			       "handling %s events\n", ibm->name);
 		} else {
 			printk(TPACPI_ERR
-			       "acpi_install_notify_handler(%s) failed: %d\n",
-			       ibm->name, status);
+			       "acpi_install_notify_handler(%s) failed: %s\n",
+			       ibm->name, acpi_format_exception(status));
 		}
 		return -ENODEV;
 	}

From 2cbb5c8f5533facb606adc5986ce40da2e987d6d Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:50 -0300
Subject: [PATCH 1512/3638] thinkpad-acpi: don't depend on led_path for led
 firmware type (v2)

Don't depend on the contents of led_path to know which LED interface
the firmware wants.

This removes the only user of *_path for the thinkpad-acpi ACPI
handlers, which will simplify future code.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 47 +++++++++++++++++-----------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index a39f159d4f2..29ad2734644 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -5009,11 +5009,7 @@ enum {	/* For TPACPI_LED_OLD */
 
 static enum led_access_mode led_supported;
 
-TPACPI_HANDLE(led, ec, "SLED",	/* 570 */
-	   "SYSL",		/* 600e/x, 770e, 770x, A21e, A2xm/p, */
-				/* T20-22, X20-21 */
-	   "LED",		/* all others */
-	   );			/* R30, R31 */
+static acpi_handle led_handle;
 
 #define TPACPI_LED_NUMLEDS 16
 static struct tpacpi_led_classdev *tpacpi_leds;
@@ -5273,6 +5269,32 @@ static const struct tpacpi_quirk led_useful_qtable[] __initconst = {
 #undef TPACPI_LEDQ_IBM
 #undef TPACPI_LEDQ_LNV
 
+static enum led_access_mode __init led_init_detect_mode(void)
+{
+	acpi_status status;
+
+	if (tpacpi_is_ibm()) {
+		/* 570 */
+		status = acpi_get_handle(ec_handle, "SLED", &led_handle);
+		if (ACPI_SUCCESS(status))
+			return TPACPI_LED_570;
+
+		/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
+		status = acpi_get_handle(ec_handle, "SYSL", &led_handle);
+		if (ACPI_SUCCESS(status))
+			return TPACPI_LED_OLD;
+	}
+
+	/* most others */
+	status = acpi_get_handle(ec_handle, "LED", &led_handle);
+	if (ACPI_SUCCESS(status))
+		return TPACPI_LED_NEW;
+
+	/* R30, R31, and unknown firmwares */
+	led_handle = NULL;
+	return TPACPI_LED_NONE;
+}
+
 static int __init led_init(struct ibm_init_struct *iibm)
 {
 	unsigned int i;
@@ -5281,20 +5303,7 @@ static int __init led_init(struct ibm_init_struct *iibm)
 
 	vdbg_printk(TPACPI_DBG_INIT, "initializing LED subdriver\n");
 
-	TPACPI_ACPIHANDLE_INIT(led);
-
-	if (!led_handle)
-		/* led not supported on R30, R31 */
-		led_supported = TPACPI_LED_NONE;
-	else if (tpacpi_is_ibm() && strlencmp(led_path, "SLED") == 0)
-		/* 570 */
-		led_supported = TPACPI_LED_570;
-	else if (tpacpi_is_ibm() && strlencmp(led_path, "SYSL") == 0)
-		/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
-		led_supported = TPACPI_LED_OLD;
-	else
-		/* all others */
-		led_supported = TPACPI_LED_NEW;
+	led_supported = led_init_detect_mode();
 
 	vdbg_printk(TPACPI_DBG_INIT, "LED commands are %s, mode %d\n",
 		str_supported(led_supported), led_supported);

From ef07a5abadfcb2470fc9cbfbee0cb41076b4ba9b Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:54 -0300
Subject: [PATCH 1513/3638] thinkpad-acpi: clean up ACPI handles handling

1. Remove <handle>_path, as its only user was already removed in
   a previous commit

2. Move all handle initialization, as well as <handle>_parent and
   <handle>_paths to __init.* sections.  This reduces the driver's
   runtime footprint nicely.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 29ad2734644..b3bfce95383 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -516,9 +516,9 @@ static acpi_handle ec_handle;
 
 #define TPACPI_HANDLE(object, parent, paths...)			\
 	static acpi_handle  object##_handle;			\
-	static acpi_handle *object##_parent = &parent##_handle;	\
-	static char        *object##_path;			\
-	static char        *object##_paths[] = { paths }
+	static const acpi_handle *object##_parent __initdata =	\
+						&parent##_handle; \
+	static char *object##_paths[] __initdata = { paths }
 
 TPACPI_HANDLE(ecrd, ec, "ECRD");	/* 570 */
 TPACPI_HANDLE(ecwr, ec, "ECWR");	/* 570 */
@@ -673,11 +673,11 @@ static int issue_thinkpad_cmos_command(int cmos_cmd)
 
 #define TPACPI_ACPIHANDLE_INIT(object) \
 	drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \
-		object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
+		object##_paths, ARRAY_SIZE(object##_paths))
 
-static void drv_acpi_handle_init(char *name,
-			   acpi_handle *handle, acpi_handle parent,
-			   char **paths, int num_paths, char **path)
+static void __init drv_acpi_handle_init(const char *name,
+			   acpi_handle *handle, const acpi_handle parent,
+			   char **paths, const int num_paths)
 {
 	int i;
 	acpi_status status;
@@ -688,10 +688,9 @@ static void drv_acpi_handle_init(char *name,
 	for (i = 0; i < num_paths; i++) {
 		status = acpi_get_handle(parent, paths[i], handle);
 		if (ACPI_SUCCESS(status)) {
-			*path = paths[i];
 			dbg_printk(TPACPI_DBG_INIT,
 				   "Found ACPI handle %s for %s\n",
-				   *path, name);
+				   paths[i], name);
 			return;
 		}
 	}

From 7d9745cf239ca98cf1f694bff4765a276b05ee68 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 16 May 2010 19:45:57 -0300
Subject: [PATCH 1514/3638] thinkpad-acpi: document backlight level writeback
 at driver init

Document this, it is no fun to try to second guess why this sort of
stuff is in place years after it was added...

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
---
 drivers/platform/x86/thinkpad_acpi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index b3bfce95383..4bdb13796e2 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -6397,6 +6397,10 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 			"or not on your ThinkPad\n", TPACPI_MAIL);
 	}
 
+	/* Added by mistake in early 2007.  Probably useless, but it could
+	 * be working around some unknown firmware problem where the value
+	 * read at startup doesn't match the real hardware state... so leave
+	 * it in place just in case */
 	backlight_update_status(ibm_backlight_device);
 
 	vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,

From e35fd6609b2fee54484d520deccb8f18bf7d38f3 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 16 May 2010 19:00:00 -0400
Subject: [PATCH 1515/3638] ext4: Add new abstraction ext4_map_blocks()
 underneath ext4_get_blocks()

Jack up ext4_get_blocks() and add a new function, ext4_map_blocks()
which uses a much smaller structure, struct ext4_map_blocks which is
20 bytes, as opposed to a struct buffer_head, which nearly 5 times
bigger on an x86_64 machine.  By switching things to use
ext4_map_blocks(), we can save stack space by using ext4_map_blocks()
since we can avoid allocating a struct buffer_head on the stack.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/ext4.h    |  30 +++++-
 fs/ext4/extents.c | 237 ++++++++++++++++++++++------------------------
 fs/ext4/inode.c   | 102 +++++++++++---------
 3 files changed, 199 insertions(+), 170 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index d266003cac3..57fc0e5c091 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -125,6 +125,29 @@ struct ext4_allocation_request {
 	unsigned int flags;
 };
 
+/*
+ * Logical to physical block mapping, used by ext4_map_blocks()
+ *
+ * This structure is used to pass requests into ext4_map_blocks() as
+ * well as to store the information returned by ext4_map_blocks().  It
+ * takes less room on the stack than a struct buffer_head.
+ */
+#define EXT4_MAP_NEW		(1 << BH_New)
+#define EXT4_MAP_MAPPED		(1 << BH_Mapped)
+#define EXT4_MAP_UNWRITTEN	(1 << BH_Unwritten)
+#define EXT4_MAP_BOUNDARY	(1 << BH_Boundary)
+#define EXT4_MAP_UNINIT		(1 << BH_Uninit)
+#define EXT4_MAP_FLAGS		(EXT4_MAP_NEW | EXT4_MAP_MAPPED |\
+				 EXT4_MAP_UNWRITTEN | EXT4_MAP_BOUNDARY |\
+				 EXT4_MAP_UNINIT)
+
+struct ext4_map_blocks {
+	ext4_fsblk_t m_pblk;
+	ext4_lblk_t m_lblk;
+	unsigned int m_len;
+	unsigned int m_flags;
+};
+
 /*
  * For delayed allocation tracking
  */
@@ -1773,9 +1796,8 @@ extern int ext4_ext_tree_init(handle_t *handle, struct inode *);
 extern int ext4_ext_writepage_trans_blocks(struct inode *, int);
 extern int ext4_ext_index_trans_blocks(struct inode *inode, int nrblocks,
 				       int chunk);
-extern int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
-			       ext4_lblk_t iblock, unsigned int max_blocks,
-			       struct buffer_head *bh_result, int flags);
+extern int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
+			       struct ext4_map_blocks *map, int flags);
 extern void ext4_ext_truncate(struct inode *);
 extern void ext4_ext_init(struct super_block *);
 extern void ext4_ext_release(struct super_block *);
@@ -1783,6 +1805,8 @@ extern long ext4_fallocate(struct inode *inode, int mode, loff_t offset,
 			  loff_t len);
 extern int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
 			  ssize_t len);
+extern int ext4_map_blocks(handle_t *handle, struct inode *inode,
+			   struct ext4_map_blocks *map, int flags);
 extern int ext4_get_blocks(handle_t *handle, struct inode *inode,
 			   sector_t block, unsigned int max_blocks,
 			   struct buffer_head *bh, int flags);
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 8a8f9f0be91..37f93878934 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2611,7 +2611,7 @@ static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
 
 #define EXT4_EXT_ZERO_LEN 7
 /*
- * This function is called by ext4_ext_get_blocks() if someone tries to write
+ * This function is called by ext4_ext_map_blocks() if someone tries to write
  * to an uninitialized extent. It may result in splitting the uninitialized
  * extent into multiple extents (upto three - one initialized and two
  * uninitialized).
@@ -2621,10 +2621,9 @@ static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
  *   c> Splits in three extents: Somone is writing in middle of the extent
  */
 static int ext4_ext_convert_to_initialized(handle_t *handle,
-						struct inode *inode,
-						struct ext4_ext_path *path,
-						ext4_lblk_t iblock,
-						unsigned int max_blocks)
+					   struct inode *inode,
+					   struct ext4_map_blocks *map,
+					   struct ext4_ext_path *path)
 {
 	struct ext4_extent *ex, newex, orig_ex;
 	struct ext4_extent *ex1 = NULL;
@@ -2640,20 +2639,20 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 
 	ext_debug("ext4_ext_convert_to_initialized: inode %lu, logical"
 		"block %llu, max_blocks %u\n", inode->i_ino,
-		(unsigned long long)iblock, max_blocks);
+		(unsigned long long)map->m_lblk, map->m_len);
 
 	eof_block = (inode->i_size + inode->i_sb->s_blocksize - 1) >>
 		inode->i_sb->s_blocksize_bits;
-	if (eof_block < iblock + max_blocks)
-		eof_block = iblock + max_blocks;
+	if (eof_block < map->m_lblk + map->m_len)
+		eof_block = map->m_lblk + map->m_len;
 
 	depth = ext_depth(inode);
 	eh = path[depth].p_hdr;
 	ex = path[depth].p_ext;
 	ee_block = le32_to_cpu(ex->ee_block);
 	ee_len = ext4_ext_get_actual_len(ex);
-	allocated = ee_len - (iblock - ee_block);
-	newblock = iblock - ee_block + ext_pblock(ex);
+	allocated = ee_len - (map->m_lblk - ee_block);
+	newblock = map->m_lblk - ee_block + ext_pblock(ex);
 
 	ex2 = ex;
 	orig_ex.ee_block = ex->ee_block;
@@ -2683,10 +2682,10 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 		return allocated;
 	}
 
-	/* ex1: ee_block to iblock - 1 : uninitialized */
-	if (iblock > ee_block) {
+	/* ex1: ee_block to map->m_lblk - 1 : uninitialized */
+	if (map->m_lblk > ee_block) {
 		ex1 = ex;
-		ex1->ee_len = cpu_to_le16(iblock - ee_block);
+		ex1->ee_len = cpu_to_le16(map->m_lblk - ee_block);
 		ext4_ext_mark_uninitialized(ex1);
 		ex2 = &newex;
 	}
@@ -2695,15 +2694,15 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	 * we insert ex3, if ex1 is NULL. This is to avoid temporary
 	 * overlap of blocks.
 	 */
-	if (!ex1 && allocated > max_blocks)
-		ex2->ee_len = cpu_to_le16(max_blocks);
+	if (!ex1 && allocated > map->m_len)
+		ex2->ee_len = cpu_to_le16(map->m_len);
 	/* ex3: to ee_block + ee_len : uninitialised */
-	if (allocated > max_blocks) {
+	if (allocated > map->m_len) {
 		unsigned int newdepth;
 		/* If extent has less than EXT4_EXT_ZERO_LEN zerout directly */
 		if (allocated <= EXT4_EXT_ZERO_LEN && may_zeroout) {
 			/*
-			 * iblock == ee_block is handled by the zerouout
+			 * map->m_lblk == ee_block is handled by the zerouout
 			 * at the beginning.
 			 * Mark first half uninitialized.
 			 * Mark second half initialized and zero out the
@@ -2716,7 +2715,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 			ext4_ext_dirty(handle, inode, path + depth);
 
 			ex3 = &newex;
-			ex3->ee_block = cpu_to_le32(iblock);
+			ex3->ee_block = cpu_to_le32(map->m_lblk);
 			ext4_ext_store_pblock(ex3, newblock);
 			ex3->ee_len = cpu_to_le16(allocated);
 			err = ext4_ext_insert_extent(handle, inode, path,
@@ -2729,7 +2728,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 				ex->ee_len   = orig_ex.ee_len;
 				ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
 				ext4_ext_dirty(handle, inode, path + depth);
-				/* blocks available from iblock */
+				/* blocks available from map->m_lblk */
 				return allocated;
 
 			} else if (err)
@@ -2751,8 +2750,8 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 				 */
 				depth = ext_depth(inode);
 				ext4_ext_drop_refs(path);
-				path = ext4_ext_find_extent(inode,
-								iblock, path);
+				path = ext4_ext_find_extent(inode, map->m_lblk,
+							    path);
 				if (IS_ERR(path)) {
 					err = PTR_ERR(path);
 					return err;
@@ -2772,9 +2771,9 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 			return allocated;
 		}
 		ex3 = &newex;
-		ex3->ee_block = cpu_to_le32(iblock + max_blocks);
-		ext4_ext_store_pblock(ex3, newblock + max_blocks);
-		ex3->ee_len = cpu_to_le16(allocated - max_blocks);
+		ex3->ee_block = cpu_to_le32(map->m_lblk + map->m_len);
+		ext4_ext_store_pblock(ex3, newblock + map->m_len);
+		ex3->ee_len = cpu_to_le16(allocated - map->m_len);
 		ext4_ext_mark_uninitialized(ex3);
 		err = ext4_ext_insert_extent(handle, inode, path, ex3, 0);
 		if (err == -ENOSPC && may_zeroout) {
@@ -2787,7 +2786,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 			ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
 			ext4_ext_dirty(handle, inode, path + depth);
 			/* zeroed the full extent */
-			/* blocks available from iblock */
+			/* blocks available from map->m_lblk */
 			return allocated;
 
 		} else if (err)
@@ -2807,7 +2806,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 
 		depth = newdepth;
 		ext4_ext_drop_refs(path);
-		path = ext4_ext_find_extent(inode, iblock, path);
+		path = ext4_ext_find_extent(inode, map->m_lblk, path);
 		if (IS_ERR(path)) {
 			err = PTR_ERR(path);
 			goto out;
@@ -2821,14 +2820,14 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 		if (err)
 			goto out;
 
-		allocated = max_blocks;
+		allocated = map->m_len;
 
 		/* If extent has less than EXT4_EXT_ZERO_LEN and we are trying
 		 * to insert a extent in the middle zerout directly
 		 * otherwise give the extent a chance to merge to left
 		 */
 		if (le16_to_cpu(orig_ex.ee_len) <= EXT4_EXT_ZERO_LEN &&
-			iblock != ee_block && may_zeroout) {
+			map->m_lblk != ee_block && may_zeroout) {
 			err =  ext4_ext_zeroout(inode, &orig_ex);
 			if (err)
 				goto fix_extent_len;
@@ -2838,7 +2837,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 			ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
 			ext4_ext_dirty(handle, inode, path + depth);
 			/* zero out the first half */
-			/* blocks available from iblock */
+			/* blocks available from map->m_lblk */
 			return allocated;
 		}
 	}
@@ -2849,12 +2848,12 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	 */
 	if (ex1 && ex1 != ex) {
 		ex1 = ex;
-		ex1->ee_len = cpu_to_le16(iblock - ee_block);
+		ex1->ee_len = cpu_to_le16(map->m_lblk - ee_block);
 		ext4_ext_mark_uninitialized(ex1);
 		ex2 = &newex;
 	}
-	/* ex2: iblock to iblock + maxblocks-1 : initialised */
-	ex2->ee_block = cpu_to_le32(iblock);
+	/* ex2: map->m_lblk to map->m_lblk + maxblocks-1 : initialised */
+	ex2->ee_block = cpu_to_le32(map->m_lblk);
 	ext4_ext_store_pblock(ex2, newblock);
 	ex2->ee_len = cpu_to_le16(allocated);
 	if (ex2 != ex)
@@ -2924,7 +2923,7 @@ fix_extent_len:
 }
 
 /*
- * This function is called by ext4_ext_get_blocks() from
+ * This function is called by ext4_ext_map_blocks() from
  * ext4_get_blocks_dio_write() when DIO to write
  * to an uninitialized extent.
  *
@@ -2947,9 +2946,8 @@ fix_extent_len:
  */
 static int ext4_split_unwritten_extents(handle_t *handle,
 					struct inode *inode,
+					struct ext4_map_blocks *map,
 					struct ext4_ext_path *path,
-					ext4_lblk_t iblock,
-					unsigned int max_blocks,
 					int flags)
 {
 	struct ext4_extent *ex, newex, orig_ex;
@@ -2965,20 +2963,20 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 
 	ext_debug("ext4_split_unwritten_extents: inode %lu, logical"
 		"block %llu, max_blocks %u\n", inode->i_ino,
-		(unsigned long long)iblock, max_blocks);
+		(unsigned long long)map->m_lblk, map->m_len);
 
 	eof_block = (inode->i_size + inode->i_sb->s_blocksize - 1) >>
 		inode->i_sb->s_blocksize_bits;
-	if (eof_block < iblock + max_blocks)
-		eof_block = iblock + max_blocks;
+	if (eof_block < map->m_lblk + map->m_len)
+		eof_block = map->m_lblk + map->m_len;
 
 	depth = ext_depth(inode);
 	eh = path[depth].p_hdr;
 	ex = path[depth].p_ext;
 	ee_block = le32_to_cpu(ex->ee_block);
 	ee_len = ext4_ext_get_actual_len(ex);
-	allocated = ee_len - (iblock - ee_block);
-	newblock = iblock - ee_block + ext_pblock(ex);
+	allocated = ee_len - (map->m_lblk - ee_block);
+	newblock = map->m_lblk - ee_block + ext_pblock(ex);
 
 	ex2 = ex;
 	orig_ex.ee_block = ex->ee_block;
@@ -2996,16 +2994,16 @@ static int ext4_split_unwritten_extents(handle_t *handle,
  	 * block where the write begins, and the write completely
  	 * covers the extent, then we don't need to split it.
  	 */
-	if ((iblock == ee_block) && (allocated <= max_blocks))
+	if ((map->m_lblk == ee_block) && (allocated <= map->m_len))
 		return allocated;
 
 	err = ext4_ext_get_access(handle, inode, path + depth);
 	if (err)
 		goto out;
-	/* ex1: ee_block to iblock - 1 : uninitialized */
-	if (iblock > ee_block) {
+	/* ex1: ee_block to map->m_lblk - 1 : uninitialized */
+	if (map->m_lblk > ee_block) {
 		ex1 = ex;
-		ex1->ee_len = cpu_to_le16(iblock - ee_block);
+		ex1->ee_len = cpu_to_le16(map->m_lblk - ee_block);
 		ext4_ext_mark_uninitialized(ex1);
 		ex2 = &newex;
 	}
@@ -3014,15 +3012,15 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 	 * we insert ex3, if ex1 is NULL. This is to avoid temporary
 	 * overlap of blocks.
 	 */
-	if (!ex1 && allocated > max_blocks)
-		ex2->ee_len = cpu_to_le16(max_blocks);
+	if (!ex1 && allocated > map->m_len)
+		ex2->ee_len = cpu_to_le16(map->m_len);
 	/* ex3: to ee_block + ee_len : uninitialised */
-	if (allocated > max_blocks) {
+	if (allocated > map->m_len) {
 		unsigned int newdepth;
 		ex3 = &newex;
-		ex3->ee_block = cpu_to_le32(iblock + max_blocks);
-		ext4_ext_store_pblock(ex3, newblock + max_blocks);
-		ex3->ee_len = cpu_to_le16(allocated - max_blocks);
+		ex3->ee_block = cpu_to_le32(map->m_lblk + map->m_len);
+		ext4_ext_store_pblock(ex3, newblock + map->m_len);
+		ex3->ee_len = cpu_to_le16(allocated - map->m_len);
 		ext4_ext_mark_uninitialized(ex3);
 		err = ext4_ext_insert_extent(handle, inode, path, ex3, flags);
 		if (err == -ENOSPC && may_zeroout) {
@@ -3035,7 +3033,7 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 			ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
 			ext4_ext_dirty(handle, inode, path + depth);
 			/* zeroed the full extent */
-			/* blocks available from iblock */
+			/* blocks available from map->m_lblk */
 			return allocated;
 
 		} else if (err)
@@ -3055,7 +3053,7 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 
 		depth = newdepth;
 		ext4_ext_drop_refs(path);
-		path = ext4_ext_find_extent(inode, iblock, path);
+		path = ext4_ext_find_extent(inode, map->m_lblk, path);
 		if (IS_ERR(path)) {
 			err = PTR_ERR(path);
 			goto out;
@@ -3069,7 +3067,7 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 		if (err)
 			goto out;
 
-		allocated = max_blocks;
+		allocated = map->m_len;
 	}
 	/*
 	 * If there was a change of depth as part of the
@@ -3078,15 +3076,15 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 	 */
 	if (ex1 && ex1 != ex) {
 		ex1 = ex;
-		ex1->ee_len = cpu_to_le16(iblock - ee_block);
+		ex1->ee_len = cpu_to_le16(map->m_lblk - ee_block);
 		ext4_ext_mark_uninitialized(ex1);
 		ex2 = &newex;
 	}
 	/*
-	 * ex2: iblock to iblock + maxblocks-1 : to be direct IO written,
-	 * uninitialised still.
+	 * ex2: map->m_lblk to map->m_lblk + map->m_len-1 : to be written
+	 * using direct I/O, uninitialised still.
 	 */
-	ex2->ee_block = cpu_to_le32(iblock);
+	ex2->ee_block = cpu_to_le32(map->m_lblk);
 	ext4_ext_store_pblock(ex2, newblock);
 	ex2->ee_len = cpu_to_le16(allocated);
 	ext4_ext_mark_uninitialized(ex2);
@@ -3188,10 +3186,9 @@ static void unmap_underlying_metadata_blocks(struct block_device *bdev,
 
 static int
 ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
-			ext4_lblk_t iblock, unsigned int max_blocks,
+			struct ext4_map_blocks *map,
 			struct ext4_ext_path *path, int flags,
-			unsigned int allocated, struct buffer_head *bh_result,
-			ext4_fsblk_t newblock)
+			unsigned int allocated, ext4_fsblk_t newblock)
 {
 	int ret = 0;
 	int err = 0;
@@ -3199,15 +3196,14 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
 
 	ext_debug("ext4_ext_handle_uninitialized_extents: inode %lu, logical"
 		  "block %llu, max_blocks %u, flags %d, allocated %u",
-		  inode->i_ino, (unsigned long long)iblock, max_blocks,
+		  inode->i_ino, (unsigned long long)map->m_lblk, map->m_len,
 		  flags, allocated);
 	ext4_ext_show_leaf(inode, path);
 
 	/* get_block() before submit the IO, split the extent */
 	if ((flags & EXT4_GET_BLOCKS_PRE_IO)) {
-		ret = ext4_split_unwritten_extents(handle,
-						inode, path, iblock,
-						max_blocks, flags);
+		ret = ext4_split_unwritten_extents(handle, inode, map,
+						   path, flags);
 		/*
 		 * Flag the inode(non aio case) or end_io struct (aio case)
 		 * that this IO needs to convertion to written when IO is
@@ -3218,7 +3214,7 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
 		else
 			ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN);
 		if (ext4_should_dioread_nolock(inode))
-			set_buffer_uninit(bh_result);
+			map->m_flags |= EXT4_MAP_UNINIT;
 		goto out;
 	}
 	/* IO end_io complete, convert the filled extent to written */
@@ -3246,14 +3242,12 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
 		 * the buffer head will be unmapped so that
 		 * a read from the block returns 0s.
 		 */
-		set_buffer_unwritten(bh_result);
+		map->m_flags |= EXT4_MAP_UNWRITTEN;
 		goto out1;
 	}
 
 	/* buffered write, writepage time, convert*/
-	ret = ext4_ext_convert_to_initialized(handle, inode,
-						path, iblock,
-						max_blocks);
+	ret = ext4_ext_convert_to_initialized(handle, inode, map, path);
 	if (ret >= 0)
 		ext4_update_inode_fsync_trans(handle, inode, 1);
 out:
@@ -3262,7 +3256,7 @@ out:
 		goto out2;
 	} else
 		allocated = ret;
-	set_buffer_new(bh_result);
+	map->m_flags |= EXT4_MAP_NEW;
 	/*
 	 * if we allocated more blocks than requested
 	 * we need to make sure we unmap the extra block
@@ -3270,11 +3264,11 @@ out:
 	 * unmapped later when we find the buffer_head marked
 	 * new.
 	 */
-	if (allocated > max_blocks) {
+	if (allocated > map->m_len) {
 		unmap_underlying_metadata_blocks(inode->i_sb->s_bdev,
-					newblock + max_blocks,
-					allocated - max_blocks);
-		allocated = max_blocks;
+					newblock + map->m_len,
+					allocated - map->m_len);
+		allocated = map->m_len;
 	}
 
 	/*
@@ -3288,13 +3282,13 @@ out:
 		ext4_da_update_reserve_space(inode, allocated, 0);
 
 map_out:
-	set_buffer_mapped(bh_result);
+	map->m_flags |= EXT4_MAP_MAPPED;
 out1:
-	if (allocated > max_blocks)
-		allocated = max_blocks;
+	if (allocated > map->m_len)
+		allocated = map->m_len;
 	ext4_ext_show_leaf(inode, path);
-	bh_result->b_bdev = inode->i_sb->s_bdev;
-	bh_result->b_blocknr = newblock;
+	map->m_pblk = newblock;
+	map->m_len = allocated;
 out2:
 	if (path) {
 		ext4_ext_drop_refs(path);
@@ -3320,10 +3314,8 @@ out2:
  *
  * return < 0, error case.
  */
-int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
-			ext4_lblk_t iblock,
-			unsigned int max_blocks, struct buffer_head *bh_result,
-			int flags)
+int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
+			struct ext4_map_blocks *map, int flags)
 {
 	struct ext4_ext_path *path = NULL;
 	struct ext4_extent_header *eh;
@@ -3334,12 +3326,11 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	struct ext4_allocation_request ar;
 	ext4_io_end_t *io = EXT4_I(inode)->cur_aio_dio;
 
-	__clear_bit(BH_New, &bh_result->b_state);
 	ext_debug("blocks %u/%u requested for inode %lu\n",
-			iblock, max_blocks, inode->i_ino);
+		  map->m_lblk, map->m_len, inode->i_ino);
 
 	/* check in cache */
-	cache_type = ext4_ext_in_cache(inode, iblock, &newex);
+	cache_type = ext4_ext_in_cache(inode, map->m_lblk, &newex);
 	if (cache_type) {
 		if (cache_type == EXT4_EXT_CACHE_GAP) {
 			if ((flags & EXT4_GET_BLOCKS_CREATE) == 0) {
@@ -3352,12 +3343,12 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 			/* we should allocate requested block */
 		} else if (cache_type == EXT4_EXT_CACHE_EXTENT) {
 			/* block is already allocated */
-			newblock = iblock
+			newblock = map->m_lblk
 				   - le32_to_cpu(newex.ee_block)
 				   + ext_pblock(&newex);
 			/* number of remaining blocks in the extent */
 			allocated = ext4_ext_get_actual_len(&newex) -
-					(iblock - le32_to_cpu(newex.ee_block));
+				(map->m_lblk - le32_to_cpu(newex.ee_block));
 			goto out;
 		} else {
 			BUG();
@@ -3365,7 +3356,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	}
 
 	/* find extent for this block */
-	path = ext4_ext_find_extent(inode, iblock, NULL);
+	path = ext4_ext_find_extent(inode, map->m_lblk, NULL);
 	if (IS_ERR(path)) {
 		err = PTR_ERR(path);
 		path = NULL;
@@ -3382,7 +3373,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	if (unlikely(path[depth].p_ext == NULL && depth != 0)) {
 		EXT4_ERROR_INODE(inode, "bad extent address "
 				 "iblock: %d, depth: %d pblock %lld",
-				 iblock, depth, path[depth].p_block);
+				 map->m_lblk, depth, path[depth].p_block);
 		err = -EIO;
 		goto out2;
 	}
@@ -3400,12 +3391,12 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 		 */
 		ee_len = ext4_ext_get_actual_len(ex);
 		/* if found extent covers block, simply return it */
-		if (in_range(iblock, ee_block, ee_len)) {
-			newblock = iblock - ee_block + ee_start;
+		if (in_range(map->m_lblk, ee_block, ee_len)) {
+			newblock = map->m_lblk - ee_block + ee_start;
 			/* number of remaining blocks in the extent */
-			allocated = ee_len - (iblock - ee_block);
-			ext_debug("%u fit into %u:%d -> %llu\n", iblock,
-					ee_block, ee_len, newblock);
+			allocated = ee_len - (map->m_lblk - ee_block);
+			ext_debug("%u fit into %u:%d -> %llu\n", map->m_lblk,
+				  ee_block, ee_len, newblock);
 
 			/* Do not put uninitialized extent in the cache */
 			if (!ext4_ext_is_uninitialized(ex)) {
@@ -3415,8 +3406,8 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 				goto out;
 			}
 			ret = ext4_ext_handle_uninitialized_extents(handle,
-					inode, iblock, max_blocks, path,
-					flags, allocated, bh_result, newblock);
+					inode, map, path, flags, allocated,
+					newblock);
 			return ret;
 		}
 	}
@@ -3430,7 +3421,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 		 * put just found gap into cache to speed up
 		 * subsequent requests
 		 */
-		ext4_ext_put_gap_in_cache(inode, path, iblock);
+		ext4_ext_put_gap_in_cache(inode, path, map->m_lblk);
 		goto out2;
 	}
 	/*
@@ -3438,11 +3429,11 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	 */
 
 	/* find neighbour allocated blocks */
-	ar.lleft = iblock;
+	ar.lleft = map->m_lblk;
 	err = ext4_ext_search_left(inode, path, &ar.lleft, &ar.pleft);
 	if (err)
 		goto out2;
-	ar.lright = iblock;
+	ar.lright = map->m_lblk;
 	err = ext4_ext_search_right(inode, path, &ar.lright, &ar.pright);
 	if (err)
 		goto out2;
@@ -3453,26 +3444,26 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	 * EXT_INIT_MAX_LEN and for an uninitialized extent this limit is
 	 * EXT_UNINIT_MAX_LEN.
 	 */
-	if (max_blocks > EXT_INIT_MAX_LEN &&
+	if (map->m_len > EXT_INIT_MAX_LEN &&
 	    !(flags & EXT4_GET_BLOCKS_UNINIT_EXT))
-		max_blocks = EXT_INIT_MAX_LEN;
-	else if (max_blocks > EXT_UNINIT_MAX_LEN &&
+		map->m_len = EXT_INIT_MAX_LEN;
+	else if (map->m_len > EXT_UNINIT_MAX_LEN &&
 		 (flags & EXT4_GET_BLOCKS_UNINIT_EXT))
-		max_blocks = EXT_UNINIT_MAX_LEN;
+		map->m_len = EXT_UNINIT_MAX_LEN;
 
-	/* Check if we can really insert (iblock)::(iblock+max_blocks) extent */
-	newex.ee_block = cpu_to_le32(iblock);
-	newex.ee_len = cpu_to_le16(max_blocks);
+	/* Check if we can really insert (m_lblk)::(m_lblk + m_len) extent */
+	newex.ee_block = cpu_to_le32(map->m_lblk);
+	newex.ee_len = cpu_to_le16(map->m_len);
 	err = ext4_ext_check_overlap(inode, &newex, path);
 	if (err)
 		allocated = ext4_ext_get_actual_len(&newex);
 	else
-		allocated = max_blocks;
+		allocated = map->m_len;
 
 	/* allocate new block */
 	ar.inode = inode;
-	ar.goal = ext4_ext_find_goal(inode, path, iblock);
-	ar.logical = iblock;
+	ar.goal = ext4_ext_find_goal(inode, path, map->m_lblk);
+	ar.logical = map->m_lblk;
 	ar.len = allocated;
 	if (S_ISREG(inode->i_mode))
 		ar.flags = EXT4_MB_HINT_DATA;
@@ -3506,7 +3497,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 						     EXT4_STATE_DIO_UNWRITTEN);
 		}
 		if (ext4_should_dioread_nolock(inode))
-			set_buffer_uninit(bh_result);
+			map->m_flags |= EXT4_MAP_UNINIT;
 	}
 
 	if (unlikely(EXT4_I(inode)->i_flags & EXT4_EOFBLOCKS_FL)) {
@@ -3518,7 +3509,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 			goto out2;
 		}
 		last_ex = EXT_LAST_EXTENT(eh);
-		if (iblock + ar.len > le32_to_cpu(last_ex->ee_block)
+		if (map->m_lblk + ar.len > le32_to_cpu(last_ex->ee_block)
 		    + ext4_ext_get_actual_len(last_ex))
 			EXT4_I(inode)->i_flags &= ~EXT4_EOFBLOCKS_FL;
 	}
@@ -3536,9 +3527,9 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	/* previous routine could use block we allocated */
 	newblock = ext_pblock(&newex);
 	allocated = ext4_ext_get_actual_len(&newex);
-	if (allocated > max_blocks)
-		allocated = max_blocks;
-	set_buffer_new(bh_result);
+	if (allocated > map->m_len)
+		allocated = map->m_len;
+	map->m_flags |= EXT4_MAP_NEW;
 
 	/*
 	 * Update reserved blocks/metadata blocks after successful
@@ -3552,18 +3543,18 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	 * when it is _not_ an uninitialized extent.
 	 */
 	if ((flags & EXT4_GET_BLOCKS_UNINIT_EXT) == 0) {
-		ext4_ext_put_in_cache(inode, iblock, allocated, newblock,
+		ext4_ext_put_in_cache(inode, map->m_lblk, allocated, newblock,
 						EXT4_EXT_CACHE_EXTENT);
 		ext4_update_inode_fsync_trans(handle, inode, 1);
 	} else
 		ext4_update_inode_fsync_trans(handle, inode, 0);
 out:
-	if (allocated > max_blocks)
-		allocated = max_blocks;
+	if (allocated > map->m_len)
+		allocated = map->m_len;
 	ext4_ext_show_leaf(inode, path);
-	set_buffer_mapped(bh_result);
-	bh_result->b_bdev = inode->i_sb->s_bdev;
-	bh_result->b_blocknr = newblock;
+	map->m_flags |= EXT4_MAP_MAPPED;
+	map->m_pblk = newblock;
+	map->m_len = allocated;
 out2:
 	if (path) {
 		ext4_ext_drop_refs(path);
@@ -3729,7 +3720,7 @@ retry:
 		if (ret <= 0) {
 #ifdef EXT4FS_DEBUG
 			WARN_ON(ret <= 0);
-			printk(KERN_ERR "%s: ext4_ext_get_blocks "
+			printk(KERN_ERR "%s: ext4_ext_map_blocks "
 				    "returned error inode#%lu, block=%u, "
 				    "max_blocks=%u", __func__,
 				    inode->i_ino, block, max_blocks);
@@ -3806,7 +3797,7 @@ int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
 				      EXT4_GET_BLOCKS_IO_CONVERT_EXT);
 		if (ret <= 0) {
 			WARN_ON(ret <= 0);
-			printk(KERN_ERR "%s: ext4_ext_get_blocks "
+			printk(KERN_ERR "%s: ext4_ext_map_blocks "
 				    "returned error inode#%lu, block=%u, "
 				    "max_blocks=%u", __func__,
 				    inode->i_ino, block, max_blocks);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 830336d3911..ff2f5fd681b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -149,7 +149,7 @@ int ext4_truncate_restart_trans(handle_t *handle, struct inode *inode,
 	int ret;
 
 	/*
-	 * Drop i_data_sem to avoid deadlock with ext4_get_blocks At this
+	 * Drop i_data_sem to avoid deadlock with ext4_map_blocks.  At this
 	 * moment, get_block can be called only for blocks inside i_size since
 	 * page cache has been already dropped and writes are blocked by
 	 * i_mutex. So we can safely drop the i_data_sem here.
@@ -890,9 +890,9 @@ err_out:
 }
 
 /*
- * The ext4_ind_get_blocks() function handles non-extents inodes
+ * The ext4_ind_map_blocks() function handles non-extents inodes
  * (i.e., using the traditional indirect/double-indirect i_blocks
- * scheme) for ext4_get_blocks().
+ * scheme) for ext4_map_blocks().
  *
  * Allocation strategy is simple: if we have to allocate something, we will
  * have to go the whole way to leaf. So let's do it before attaching anything
@@ -917,9 +917,8 @@ err_out:
  * down_read(&EXT4_I(inode)->i_data_sem) if not allocating file system
  * blocks.
  */
-static int ext4_ind_get_blocks(handle_t *handle, struct inode *inode,
-			       ext4_lblk_t iblock, unsigned int maxblocks,
-			       struct buffer_head *bh_result,
+static int ext4_ind_map_blocks(handle_t *handle, struct inode *inode,
+			       struct ext4_map_blocks *map,
 			       int flags)
 {
 	int err = -EIO;
@@ -935,7 +934,7 @@ static int ext4_ind_get_blocks(handle_t *handle, struct inode *inode,
 
 	J_ASSERT(!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL));
 	J_ASSERT(handle != NULL || (flags & EXT4_GET_BLOCKS_CREATE) == 0);
-	depth = ext4_block_to_path(inode, iblock, offsets,
+	depth = ext4_block_to_path(inode, map->m_lblk, offsets,
 				   &blocks_to_boundary);
 
 	if (depth == 0)
@@ -946,10 +945,9 @@ static int ext4_ind_get_blocks(handle_t *handle, struct inode *inode,
 	/* Simplest case - block found, no allocation needed */
 	if (!partial) {
 		first_block = le32_to_cpu(chain[depth - 1].key);
-		clear_buffer_new(bh_result);
 		count++;
 		/*map more blocks*/
-		while (count < maxblocks && count <= blocks_to_boundary) {
+		while (count < map->m_len && count <= blocks_to_boundary) {
 			ext4_fsblk_t blk;
 
 			blk = le32_to_cpu(*(chain[depth-1].p + count));
@@ -969,7 +967,7 @@ static int ext4_ind_get_blocks(handle_t *handle, struct inode *inode,
 	/*
 	 * Okay, we need to do block allocation.
 	*/
-	goal = ext4_find_goal(inode, iblock, partial);
+	goal = ext4_find_goal(inode, map->m_lblk, partial);
 
 	/* the number of blocks need to allocate for [d,t]indirect blocks */
 	indirect_blks = (chain + depth) - partial - 1;
@@ -979,11 +977,11 @@ static int ext4_ind_get_blocks(handle_t *handle, struct inode *inode,
 	 * direct blocks to allocate for this branch.
 	 */
 	count = ext4_blks_to_allocate(partial, indirect_blks,
-					maxblocks, blocks_to_boundary);
+				      map->m_len, blocks_to_boundary);
 	/*
 	 * Block out ext4_truncate while we alter the tree
 	 */
-	err = ext4_alloc_branch(handle, inode, iblock, indirect_blks,
+	err = ext4_alloc_branch(handle, inode, map->m_lblk, indirect_blks,
 				&count, goal,
 				offsets + (partial - chain), partial);
 
@@ -995,18 +993,20 @@ static int ext4_ind_get_blocks(handle_t *handle, struct inode *inode,
 	 * may need to return -EAGAIN upwards in the worst case.  --sct
 	 */
 	if (!err)
-		err = ext4_splice_branch(handle, inode, iblock,
+		err = ext4_splice_branch(handle, inode, map->m_lblk,
 					 partial, indirect_blks, count);
 	if (err)
 		goto cleanup;
 
-	set_buffer_new(bh_result);
+	map->m_flags |= EXT4_MAP_NEW;
 
 	ext4_update_inode_fsync_trans(handle, inode, 1);
 got_it:
-	map_bh(bh_result, inode->i_sb, le32_to_cpu(chain[depth-1].key));
+	map->m_flags |= EXT4_MAP_MAPPED;
+	map->m_pblk = le32_to_cpu(chain[depth-1].key);
+	map->m_len = count;
 	if (count > blocks_to_boundary)
-		set_buffer_boundary(bh_result);
+		map->m_flags |= EXT4_MAP_BOUNDARY;
 	err = count;
 	/* Clean up and exit */
 	partial = chain + depth - 1;	/* the whole chain */
@@ -1016,7 +1016,6 @@ cleanup:
 		brelse(partial->bh);
 		partial--;
 	}
-	BUFFER_TRACE(bh_result, "returned");
 out:
 	return err;
 }
@@ -1203,15 +1202,15 @@ static pgoff_t ext4_num_dirty_pages(struct inode *inode, pgoff_t idx,
 }
 
 /*
- * The ext4_get_blocks() function tries to look up the requested blocks,
+ * The ext4_map_blocks() function tries to look up the requested blocks,
  * and returns if the blocks are already mapped.
  *
  * Otherwise it takes the write lock of the i_data_sem and allocate blocks
  * and store the allocated blocks in the result buffer head and mark it
  * mapped.
  *
- * If file type is extents based, it will call ext4_ext_get_blocks(),
- * Otherwise, call with ext4_ind_get_blocks() to handle indirect mapping
+ * If file type is extents based, it will call ext4_ext_map_blocks(),
+ * Otherwise, call with ext4_ind_map_blocks() to handle indirect mapping
  * based files
  *
  * On success, it returns the number of blocks being mapped or allocate.
@@ -1224,35 +1223,30 @@ static pgoff_t ext4_num_dirty_pages(struct inode *inode, pgoff_t idx,
  *
  * It returns the error in case of allocation failure.
  */
-int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
-		    unsigned int max_blocks, struct buffer_head *bh,
-		    int flags)
+int ext4_map_blocks(handle_t *handle, struct inode *inode,
+		    struct ext4_map_blocks *map, int flags)
 {
 	int retval;
 
-	clear_buffer_mapped(bh);
-	clear_buffer_unwritten(bh);
-
-	ext_debug("ext4_get_blocks(): inode %lu, flag %d, max_blocks %u,"
-		  "logical block %lu\n", inode->i_ino, flags, max_blocks,
-		  (unsigned long)block);
+	map->m_flags = 0;
+	ext_debug("ext4_map_blocks(): inode %lu, flag %d, max_blocks %u,"
+		  "logical block %lu\n", inode->i_ino, flags, map->m_len,
+		  (unsigned long) map->m_lblk);
 	/*
 	 * Try to see if we can get the block without requesting a new
 	 * file system block.
 	 */
 	down_read((&EXT4_I(inode)->i_data_sem));
 	if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
-		retval =  ext4_ext_get_blocks(handle, inode, block, max_blocks,
-				bh, 0);
+		retval = ext4_ext_map_blocks(handle, inode, map, 0);
 	} else {
-		retval = ext4_ind_get_blocks(handle, inode, block, max_blocks,
-					     bh, 0);
+		retval = ext4_ind_map_blocks(handle, inode, map, 0);
 	}
 	up_read((&EXT4_I(inode)->i_data_sem));
 
-	if (retval > 0 && buffer_mapped(bh)) {
+	if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) {
 		int ret = check_block_validity(inode, "file system corruption",
-					       block, bh->b_blocknr, retval);
+					map->m_lblk, map->m_pblk, retval);
 		if (ret != 0)
 			return ret;
 	}
@@ -1268,7 +1262,7 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
 	 * ext4_ext_get_block() returns th create = 0
 	 * with buffer head unmapped.
 	 */
-	if (retval > 0 && buffer_mapped(bh))
+	if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED)
 		return retval;
 
 	/*
@@ -1281,7 +1275,7 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
 	 * of BH_Unwritten and BH_Mapped flags being simultaneously
 	 * set on the buffer_head.
 	 */
-	clear_buffer_unwritten(bh);
+	map->m_flags &= ~EXT4_MAP_UNWRITTEN;
 
 	/*
 	 * New blocks allocate and/or writing to uninitialized extent
@@ -1304,13 +1298,11 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
 	 * could have changed the inode type in between
 	 */
 	if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
-		retval =  ext4_ext_get_blocks(handle, inode, block, max_blocks,
-					      bh, flags);
+		retval = ext4_ext_map_blocks(handle, inode, map, flags);
 	} else {
-		retval = ext4_ind_get_blocks(handle, inode, block,
-					     max_blocks, bh, flags);
+		retval = ext4_ind_map_blocks(handle, inode, map, flags);
 
-		if (retval > 0 && buffer_new(bh)) {
+		if (retval > 0 && map->m_flags & EXT4_MAP_NEW) {
 			/*
 			 * We allocated new blocks which will result in
 			 * i_data's format changing.  Force the migrate
@@ -1333,16 +1325,38 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
 		EXT4_I(inode)->i_delalloc_reserved_flag = 0;
 
 	up_write((&EXT4_I(inode)->i_data_sem));
-	if (retval > 0 && buffer_mapped(bh)) {
+	if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) {
 		int ret = check_block_validity(inode, "file system "
 					       "corruption after allocation",
-					       block, bh->b_blocknr, retval);
+					       map->m_lblk, map->m_pblk,
+					       retval);
 		if (ret != 0)
 			return ret;
 	}
 	return retval;
 }
 
+int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
+		    unsigned int max_blocks, struct buffer_head *bh,
+		    int flags)
+{
+	struct ext4_map_blocks map;
+	int ret;
+
+	map.m_lblk = block;
+	map.m_len = max_blocks;
+
+	ret = ext4_map_blocks(handle, inode, &map, flags);
+	if (ret < 0)
+		return ret;
+
+	bh->b_blocknr = map.m_pblk;
+	bh->b_size = inode->i_sb->s_blocksize * map.m_len;
+	bh->b_bdev = inode->i_sb->s_bdev;
+	bh->b_state = (bh->b_state & ~EXT4_MAP_FLAGS) | map.m_flags;
+	return ret;
+}
+
 /* Maximum number of blocks we map for direct IO at once. */
 #define DIO_MAX_BLOCKS 4096
 

From 7845bc3e132605e3e8a1f37748e29281164b65f5 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 17 May 2010 08:13:47 +0900
Subject: [PATCH 1516/3638] fat: convert to unlocked_ioctl

FAT does not require the BKL in its ioctl function, which is already serialized
through a mutex. Since we're already touching the ioctl code, also fix the
missing handling of FAT_IOCTL_GET_ATTRIBUTES in the compat code.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/fat/dir.c  | 11 ++++++-----
 fs/fat/fat.h  |  4 ++--
 fs/fat/file.c | 19 ++++++++++++++++---
 3 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 20a1b92e035..ee42b9e0b16 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -753,9 +753,10 @@ static int fat_ioctl_readdir(struct inode *inode, struct file *filp,
 	return ret;
 }
 
-static int fat_dir_ioctl(struct inode *inode, struct file *filp,
-			 unsigned int cmd, unsigned long arg)
+static long fat_dir_ioctl(struct file *filp, unsigned int cmd,
+			  unsigned long arg)
 {
+	struct inode *inode = filp->f_path.dentry->d_inode;
 	struct __fat_dirent __user *d1 = (struct __fat_dirent __user *)arg;
 	int short_only, both;
 
@@ -769,7 +770,7 @@ static int fat_dir_ioctl(struct inode *inode, struct file *filp,
 		both = 1;
 		break;
 	default:
-		return fat_generic_ioctl(inode, filp, cmd, arg);
+		return fat_generic_ioctl(filp, cmd, arg);
 	}
 
 	if (!access_ok(VERIFY_WRITE, d1, sizeof(struct __fat_dirent[2])))
@@ -809,7 +810,7 @@ static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd,
 		both = 1;
 		break;
 	default:
-		return -ENOIOCTLCMD;
+		return fat_generic_ioctl(filp, cmd, (unsigned long)arg);
 	}
 
 	if (!access_ok(VERIFY_WRITE, d1, sizeof(struct compat_dirent[2])))
@@ -831,7 +832,7 @@ const struct file_operations fat_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= fat_readdir,
-	.ioctl		= fat_dir_ioctl,
+	.unlocked_ioctl	= fat_dir_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= fat_compat_dir_ioctl,
 #endif
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index e6efdfa0f6d..eb821ee1a33 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -298,8 +298,8 @@ extern int fat_free_clusters(struct inode *inode, int cluster);
 extern int fat_count_free_clusters(struct super_block *sb);
 
 /* fat/file.c */
-extern int fat_generic_ioctl(struct inode *inode, struct file *filp,
-			     unsigned int cmd, unsigned long arg);
+extern long fat_generic_ioctl(struct file *filp, unsigned int cmd,
+			      unsigned long arg);
 extern const struct file_operations fat_file_operations;
 extern const struct inode_operations fat_file_inode_operations;
 extern int fat_setattr(struct dentry * dentry, struct iattr * attr);
diff --git a/fs/fat/file.c b/fs/fat/file.c
index e8c159de236..a14c2f6a489 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -8,6 +8,7 @@
 
 #include <linux/capability.h>
 #include <linux/module.h>
+#include <linux/compat.h>
 #include <linux/mount.h>
 #include <linux/time.h>
 #include <linux/buffer_head.h>
@@ -114,9 +115,9 @@ out:
 	return err;
 }
 
-int fat_generic_ioctl(struct inode *inode, struct file *filp,
-		      unsigned int cmd, unsigned long arg)
+long fat_generic_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
+	struct inode *inode = filp->f_path.dentry->d_inode;
 	u32 __user *user_attr = (u32 __user *)arg;
 
 	switch (cmd) {
@@ -129,6 +130,15 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
 	}
 }
 
+#ifdef CONFIG_COMPAT
+static long fat_generic_compat_ioctl(struct file *filp, unsigned int cmd,
+				      unsigned long arg)
+
+{
+	return fat_generic_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
+
 static int fat_file_release(struct inode *inode, struct file *filp)
 {
 	if ((filp->f_mode & FMODE_WRITE) &&
@@ -159,7 +169,10 @@ const struct file_operations fat_file_operations = {
 	.aio_write	= generic_file_aio_write,
 	.mmap		= generic_file_mmap,
 	.release	= fat_file_release,
-	.ioctl		= fat_generic_ioctl,
+	.unlocked_ioctl	= fat_generic_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= fat_generic_compat_ioctl,
+#endif
 	.fsync		= fat_file_fsync,
 	.splice_read	= generic_file_splice_read,
 };

From 2ed886852adfcb070bf350e66a0da0d98b2f3ab5 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 16 May 2010 20:00:00 -0400
Subject: [PATCH 1517/3638] ext4: Convert callers of ext4_get_blocks() to use
 ext4_map_blocks()

This saves a huge amount of stack space by avoiding unnecesary struct
buffer_head's from being allocated on the stack.

In addition, to make the code easier to understand, collapse and
refactor ext4_get_block(), ext4_get_block_write(),
noalloc_get_block_write(), into a single function.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/dir.c     |  12 +-
 fs/ext4/extents.c |  40 +++---
 fs/ext4/inode.c   | 331 ++++++++++++++++++----------------------------
 3 files changed, 152 insertions(+), 231 deletions(-)

diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 86cb6d86a04..e3f2700b8be 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -128,14 +128,14 @@ static int ext4_readdir(struct file *filp,
 	offset = filp->f_pos & (sb->s_blocksize - 1);
 
 	while (!error && !stored && filp->f_pos < inode->i_size) {
-		ext4_lblk_t blk = filp->f_pos >> EXT4_BLOCK_SIZE_BITS(sb);
-		struct buffer_head map_bh;
+		struct ext4_map_blocks map;
 		struct buffer_head *bh = NULL;
 
-		map_bh.b_state = 0;
-		err = ext4_get_blocks(NULL, inode, blk, 1, &map_bh, 0);
+		map.m_lblk = filp->f_pos >> EXT4_BLOCK_SIZE_BITS(sb);
+		map.m_len = 1;
+		err = ext4_map_blocks(NULL, inode, &map, 0);
 		if (err > 0) {
-			pgoff_t index = map_bh.b_blocknr >>
+			pgoff_t index = map.m_pblk >>
 					(PAGE_CACHE_SHIFT - inode->i_blkbits);
 			if (!ra_has_index(&filp->f_ra, index))
 				page_cache_sync_readahead(
@@ -143,7 +143,7 @@ static int ext4_readdir(struct file *filp,
 					&filp->f_ra, filp,
 					index, 1);
 			filp->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT;
-			bh = ext4_bread(NULL, inode, blk, 0, &err);
+			bh = ext4_bread(NULL, inode, map.m_lblk, 0, &err);
 		}
 
 		/*
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 37f93878934..d6801eb7232 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3667,13 +3667,12 @@ static void ext4_falloc_update_inode(struct inode *inode,
 long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
 {
 	handle_t *handle;
-	ext4_lblk_t block;
 	loff_t new_size;
 	unsigned int max_blocks;
 	int ret = 0;
 	int ret2 = 0;
 	int retries = 0;
-	struct buffer_head map_bh;
+	struct ext4_map_blocks map;
 	unsigned int credits, blkbits = inode->i_blkbits;
 
 	/*
@@ -3687,13 +3686,13 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
 	if (S_ISDIR(inode->i_mode))
 		return -ENODEV;
 
-	block = offset >> blkbits;
+	map.m_lblk = offset >> blkbits;
 	/*
 	 * We can't just convert len to max_blocks because
 	 * If blocksize = 4096 offset = 3072 and len = 2048
 	 */
 	max_blocks = (EXT4_BLOCK_ALIGN(len + offset, blkbits) >> blkbits)
-							- block;
+		- map.m_lblk;
 	/*
 	 * credits to insert 1 extent into extent tree
 	 */
@@ -3706,16 +3705,14 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
 	}
 retry:
 	while (ret >= 0 && ret < max_blocks) {
-		block = block + ret;
-		max_blocks = max_blocks - ret;
+		map.m_lblk = map.m_lblk + ret;
+		map.m_len = max_blocks = max_blocks - ret;
 		handle = ext4_journal_start(inode, credits);
 		if (IS_ERR(handle)) {
 			ret = PTR_ERR(handle);
 			break;
 		}
-		map_bh.b_state = 0;
-		ret = ext4_get_blocks(handle, inode, block,
-				      max_blocks, &map_bh,
+		ret = ext4_map_blocks(handle, inode, &map,
 				      EXT4_GET_BLOCKS_CREATE_UNINIT_EXT);
 		if (ret <= 0) {
 #ifdef EXT4FS_DEBUG
@@ -3729,14 +3726,14 @@ retry:
 			ret2 = ext4_journal_stop(handle);
 			break;
 		}
-		if ((block + ret) >= (EXT4_BLOCK_ALIGN(offset + len,
+		if ((map.m_lblk + ret) >= (EXT4_BLOCK_ALIGN(offset + len,
 						blkbits) >> blkbits))
 			new_size = offset + len;
 		else
-			new_size = (block + ret) << blkbits;
+			new_size = (map.m_lblk + ret) << blkbits;
 
 		ext4_falloc_update_inode(inode, mode, new_size,
-						buffer_new(&map_bh));
+					 (map.m_flags & EXT4_MAP_NEW));
 		ext4_mark_inode_dirty(handle, inode);
 		ret2 = ext4_journal_stop(handle);
 		if (ret2)
@@ -3765,42 +3762,39 @@ int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
 				    ssize_t len)
 {
 	handle_t *handle;
-	ext4_lblk_t block;
 	unsigned int max_blocks;
 	int ret = 0;
 	int ret2 = 0;
-	struct buffer_head map_bh;
+	struct ext4_map_blocks map;
 	unsigned int credits, blkbits = inode->i_blkbits;
 
-	block = offset >> blkbits;
+	map.m_lblk = offset >> blkbits;
 	/*
 	 * We can't just convert len to max_blocks because
 	 * If blocksize = 4096 offset = 3072 and len = 2048
 	 */
-	max_blocks = (EXT4_BLOCK_ALIGN(len + offset, blkbits) >> blkbits)
-							- block;
+	max_blocks = ((EXT4_BLOCK_ALIGN(len + offset, blkbits) >> blkbits) -
+		      map.m_lblk);
 	/*
 	 * credits to insert 1 extent into extent tree
 	 */
 	credits = ext4_chunk_trans_blocks(inode, max_blocks);
 	while (ret >= 0 && ret < max_blocks) {
-		block = block + ret;
-		max_blocks = max_blocks - ret;
+		map.m_lblk += ret;
+		map.m_len = (max_blocks -= ret);
 		handle = ext4_journal_start(inode, credits);
 		if (IS_ERR(handle)) {
 			ret = PTR_ERR(handle);
 			break;
 		}
-		map_bh.b_state = 0;
-		ret = ext4_get_blocks(handle, inode, block,
-				      max_blocks, &map_bh,
+		ret = ext4_map_blocks(handle, inode, &map,
 				      EXT4_GET_BLOCKS_IO_CONVERT_EXT);
 		if (ret <= 0) {
 			WARN_ON(ret <= 0);
 			printk(KERN_ERR "%s: ext4_ext_map_blocks "
 				    "returned error inode#%lu, block=%u, "
 				    "max_blocks=%u", __func__,
-				    inode->i_ino, block, max_blocks);
+				    inode->i_ino, map.m_lblk, map.m_len);
 		}
 		ext4_mark_inode_dirty(handle, inode);
 		ret2 = ext4_journal_stop(handle);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index ff2f5fd681b..0b1d7c89f93 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1336,133 +1336,112 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
 	return retval;
 }
 
-int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
-		    unsigned int max_blocks, struct buffer_head *bh,
-		    int flags)
-{
-	struct ext4_map_blocks map;
-	int ret;
-
-	map.m_lblk = block;
-	map.m_len = max_blocks;
-
-	ret = ext4_map_blocks(handle, inode, &map, flags);
-	if (ret < 0)
-		return ret;
-
-	bh->b_blocknr = map.m_pblk;
-	bh->b_size = inode->i_sb->s_blocksize * map.m_len;
-	bh->b_bdev = inode->i_sb->s_bdev;
-	bh->b_state = (bh->b_state & ~EXT4_MAP_FLAGS) | map.m_flags;
-	return ret;
-}
-
 /* Maximum number of blocks we map for direct IO at once. */
 #define DIO_MAX_BLOCKS 4096
 
-int ext4_get_block(struct inode *inode, sector_t iblock,
-		   struct buffer_head *bh_result, int create)
+static int _ext4_get_block(struct inode *inode, sector_t iblock,
+			   struct buffer_head *bh, int flags)
 {
 	handle_t *handle = ext4_journal_current_handle();
+	struct ext4_map_blocks map;
 	int ret = 0, started = 0;
-	unsigned max_blocks = bh_result->b_size >> inode->i_blkbits;
 	int dio_credits;
 
-	if (create && !handle) {
+	map.m_lblk = iblock;
+	map.m_len = bh->b_size >> inode->i_blkbits;
+
+	if (flags && !handle) {
 		/* Direct IO write... */
-		if (max_blocks > DIO_MAX_BLOCKS)
-			max_blocks = DIO_MAX_BLOCKS;
-		dio_credits = ext4_chunk_trans_blocks(inode, max_blocks);
+		if (map.m_len > DIO_MAX_BLOCKS)
+			map.m_len = DIO_MAX_BLOCKS;
+		dio_credits = ext4_chunk_trans_blocks(inode, map.m_len);
 		handle = ext4_journal_start(inode, dio_credits);
 		if (IS_ERR(handle)) {
 			ret = PTR_ERR(handle);
-			goto out;
+			return ret;
 		}
 		started = 1;
 	}
 
-	ret = ext4_get_blocks(handle, inode, iblock, max_blocks, bh_result,
-			      create ? EXT4_GET_BLOCKS_CREATE : 0);
+	ret = ext4_map_blocks(handle, inode, &map, flags);
 	if (ret > 0) {
-		bh_result->b_size = (ret << inode->i_blkbits);
+		map_bh(bh, inode->i_sb, map.m_pblk);
+		bh->b_state = (bh->b_state & ~EXT4_MAP_FLAGS) | map.m_flags;
+		bh->b_size = inode->i_sb->s_blocksize * map.m_len;
 		ret = 0;
 	}
 	if (started)
 		ext4_journal_stop(handle);
-out:
 	return ret;
 }
 
+int ext4_get_block(struct inode *inode, sector_t iblock,
+		   struct buffer_head *bh, int create)
+{
+	return _ext4_get_block(inode, iblock, bh,
+			       create ? EXT4_GET_BLOCKS_CREATE : 0);
+}
+
 /*
  * `handle' can be NULL if create is zero
  */
 struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode,
 				ext4_lblk_t block, int create, int *errp)
 {
-	struct buffer_head dummy;
+	struct ext4_map_blocks map;
+	struct buffer_head *bh;
 	int fatal = 0, err;
-	int flags = 0;
 
 	J_ASSERT(handle != NULL || create == 0);
 
-	dummy.b_state = 0;
-	dummy.b_blocknr = -1000;
-	buffer_trace_init(&dummy.b_history);
-	if (create)
-		flags |= EXT4_GET_BLOCKS_CREATE;
-	err = ext4_get_blocks(handle, inode, block, 1, &dummy, flags);
-	/*
-	 * ext4_get_blocks() returns number of blocks mapped. 0 in
-	 * case of a HOLE.
-	 */
-	if (err > 0) {
-		if (err > 1)
-			WARN_ON(1);
-		err = 0;
-	}
-	*errp = err;
-	if (!err && buffer_mapped(&dummy)) {
-		struct buffer_head *bh;
-		bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
-		if (!bh) {
-			*errp = -EIO;
-			goto err;
-		}
-		if (buffer_new(&dummy)) {
-			J_ASSERT(create != 0);
-			J_ASSERT(handle != NULL);
+	map.m_lblk = block;
+	map.m_len = 1;
+	err = ext4_map_blocks(handle, inode, &map,
+			      create ? EXT4_GET_BLOCKS_CREATE : 0);
 
-			/*
-			 * Now that we do not always journal data, we should
-			 * keep in mind whether this should always journal the
-			 * new buffer as metadata.  For now, regular file
-			 * writes use ext4_get_block instead, so it's not a
-			 * problem.
-			 */
-			lock_buffer(bh);
-			BUFFER_TRACE(bh, "call get_create_access");
-			fatal = ext4_journal_get_create_access(handle, bh);
-			if (!fatal && !buffer_uptodate(bh)) {
-				memset(bh->b_data, 0, inode->i_sb->s_blocksize);
-				set_buffer_uptodate(bh);
-			}
-			unlock_buffer(bh);
-			BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
-			err = ext4_handle_dirty_metadata(handle, inode, bh);
-			if (!fatal)
-				fatal = err;
-		} else {
-			BUFFER_TRACE(bh, "not a new buffer");
-		}
-		if (fatal) {
-			*errp = fatal;
-			brelse(bh);
-			bh = NULL;
-		}
-		return bh;
+	if (err < 0)
+		*errp = err;
+	if (err <= 0)
+		return NULL;
+	*errp = 0;
+
+	bh = sb_getblk(inode->i_sb, map.m_pblk);
+	if (!bh) {
+		*errp = -EIO;
+		return NULL;
 	}
-err:
-	return NULL;
+	if (map.m_flags & EXT4_MAP_NEW) {
+		J_ASSERT(create != 0);
+		J_ASSERT(handle != NULL);
+
+		/*
+		 * Now that we do not always journal data, we should
+		 * keep in mind whether this should always journal the
+		 * new buffer as metadata.  For now, regular file
+		 * writes use ext4_get_block instead, so it's not a
+		 * problem.
+		 */
+		lock_buffer(bh);
+		BUFFER_TRACE(bh, "call get_create_access");
+		fatal = ext4_journal_get_create_access(handle, bh);
+		if (!fatal && !buffer_uptodate(bh)) {
+			memset(bh->b_data, 0, inode->i_sb->s_blocksize);
+			set_buffer_uptodate(bh);
+		}
+		unlock_buffer(bh);
+		BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
+		err = ext4_handle_dirty_metadata(handle, inode, bh);
+		if (!fatal)
+			fatal = err;
+	} else {
+		BUFFER_TRACE(bh, "not a new buffer");
+	}
+	if (fatal) {
+		*errp = fatal;
+		brelse(bh);
+		bh = NULL;
+	}
+	return bh;
 }
 
 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
@@ -2050,28 +2029,23 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd)
 /*
  * mpage_put_bnr_to_bhs - walk blocks and assign them actual numbers
  *
- * @mpd->inode - inode to walk through
- * @exbh->b_blocknr - first block on a disk
- * @exbh->b_size - amount of space in bytes
- * @logical - first logical block to start assignment with
- *
  * the function goes through all passed space and put actual disk
  * block numbers into buffer heads, dropping BH_Delay and BH_Unwritten
  */
-static void mpage_put_bnr_to_bhs(struct mpage_da_data *mpd, sector_t logical,
-				 struct buffer_head *exbh)
+static void mpage_put_bnr_to_bhs(struct mpage_da_data *mpd,
+				 struct ext4_map_blocks *map)
 {
 	struct inode *inode = mpd->inode;
 	struct address_space *mapping = inode->i_mapping;
-	int blocks = exbh->b_size >> inode->i_blkbits;
-	sector_t pblock = exbh->b_blocknr, cur_logical;
+	int blocks = map->m_len;
+	sector_t pblock = map->m_pblk, cur_logical;
 	struct buffer_head *head, *bh;
 	pgoff_t index, end;
 	struct pagevec pvec;
 	int nr_pages, i;
 
-	index = logical >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
-	end = (logical + blocks - 1) >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
+	index = map->m_lblk >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
+	end = (map->m_lblk + blocks - 1) >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
 	cur_logical = index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
 
 	pagevec_init(&pvec, 0);
@@ -2098,17 +2072,16 @@ static void mpage_put_bnr_to_bhs(struct mpage_da_data *mpd, sector_t logical,
 
 			/* skip blocks out of the range */
 			do {
-				if (cur_logical >= logical)
+				if (cur_logical >= map->m_lblk)
 					break;
 				cur_logical++;
 			} while ((bh = bh->b_this_page) != head);
 
 			do {
-				if (cur_logical >= logical + blocks)
+				if (cur_logical >= map->m_lblk + blocks)
 					break;
 
-				if (buffer_delay(bh) ||
-						buffer_unwritten(bh)) {
+				if (buffer_delay(bh) || buffer_unwritten(bh)) {
 
 					BUG_ON(bh->b_bdev != inode->i_sb->s_bdev);
 
@@ -2127,7 +2100,7 @@ static void mpage_put_bnr_to_bhs(struct mpage_da_data *mpd, sector_t logical,
 				} else if (buffer_mapped(bh))
 					BUG_ON(bh->b_blocknr != pblock);
 
-				if (buffer_uninit(exbh))
+				if (map->m_flags & EXT4_MAP_UNINIT)
 					set_buffer_uninit(bh);
 				cur_logical++;
 				pblock++;
@@ -2138,21 +2111,6 @@ static void mpage_put_bnr_to_bhs(struct mpage_da_data *mpd, sector_t logical,
 }
 
 
-/*
- * __unmap_underlying_blocks - just a helper function to unmap
- * set of blocks described by @bh
- */
-static inline void __unmap_underlying_blocks(struct inode *inode,
-					     struct buffer_head *bh)
-{
-	struct block_device *bdev = inode->i_sb->s_bdev;
-	int blocks, i;
-
-	blocks = bh->b_size >> inode->i_blkbits;
-	for (i = 0; i < blocks; i++)
-		unmap_underlying_metadata(bdev, bh->b_blocknr + i);
-}
-
 static void ext4_da_block_invalidatepages(struct mpage_da_data *mpd,
 					sector_t logical, long blk_cnt)
 {
@@ -2214,7 +2172,7 @@ static void ext4_print_free_blocks(struct inode *inode)
 static int mpage_da_map_blocks(struct mpage_da_data *mpd)
 {
 	int err, blks, get_blocks_flags;
-	struct buffer_head new;
+	struct ext4_map_blocks map;
 	sector_t next = mpd->b_blocknr;
 	unsigned max_blocks = mpd->b_size >> mpd->inode->i_blkbits;
 	loff_t disksize = EXT4_I(mpd->inode)->i_disksize;
@@ -2255,15 +2213,15 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd)
 	 * EXT4_GET_BLOCKS_DELALLOC_RESERVE so the delalloc accounting
 	 * variables are updated after the blocks have been allocated.
 	 */
-	new.b_state = 0;
+	map.m_lblk = next;
+	map.m_len = max_blocks;
 	get_blocks_flags = EXT4_GET_BLOCKS_CREATE;
 	if (ext4_should_dioread_nolock(mpd->inode))
 		get_blocks_flags |= EXT4_GET_BLOCKS_IO_CREATE_EXT;
 	if (mpd->b_state & (1 << BH_Delay))
 		get_blocks_flags |= EXT4_GET_BLOCKS_DELALLOC_RESERVE;
 
-	blks = ext4_get_blocks(handle, mpd->inode, next, max_blocks,
-			       &new, get_blocks_flags);
+	blks = ext4_map_blocks(handle, mpd->inode, &map, get_blocks_flags);
 	if (blks < 0) {
 		err = blks;
 		/*
@@ -2305,10 +2263,13 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd)
 	}
 	BUG_ON(blks == 0);
 
-	new.b_size = (blks << mpd->inode->i_blkbits);
+	if (map.m_flags & EXT4_MAP_NEW) {
+		struct block_device *bdev = mpd->inode->i_sb->s_bdev;
+		int i;
 
-	if (buffer_new(&new))
-		__unmap_underlying_blocks(mpd->inode, &new);
+		for (i = 0; i < map.m_len; i++)
+			unmap_underlying_metadata(bdev, map.m_pblk + i);
+	}
 
 	/*
 	 * If blocks are delayed marked, we need to
@@ -2316,7 +2277,7 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd)
 	 */
 	if ((mpd->b_state & (1 << BH_Delay)) ||
 	    (mpd->b_state & (1 << BH_Unwritten)))
-		mpage_put_bnr_to_bhs(mpd, next, &new);
+		mpage_put_bnr_to_bhs(mpd, &map);
 
 	if (ext4_should_order_data(mpd->inode)) {
 		err = ext4_jbd2_file_inode(handle, mpd->inode);
@@ -2534,8 +2495,9 @@ static int __mpage_da_writepage(struct page *page,
  * initialized properly.
  */
 static int ext4_da_get_block_prep(struct inode *inode, sector_t iblock,
-				  struct buffer_head *bh_result, int create)
+				  struct buffer_head *bh, int create)
 {
+	struct ext4_map_blocks map;
 	int ret = 0;
 	sector_t invalid_block = ~((sector_t) 0xffff);
 
@@ -2543,16 +2505,22 @@ static int ext4_da_get_block_prep(struct inode *inode, sector_t iblock,
 		invalid_block = ~0;
 
 	BUG_ON(create == 0);
-	BUG_ON(bh_result->b_size != inode->i_sb->s_blocksize);
+	BUG_ON(bh->b_size != inode->i_sb->s_blocksize);
+
+	map.m_lblk = iblock;
+	map.m_len = 1;
 
 	/*
 	 * first, we need to know whether the block is allocated already
 	 * preallocated blocks are unmapped but should treated
 	 * the same as allocated blocks.
 	 */
-	ret = ext4_get_blocks(NULL, inode, iblock, 1,  bh_result, 0);
-	if ((ret == 0) && !buffer_delay(bh_result)) {
-		/* the block isn't (pre)allocated yet, let's reserve space */
+	ret = ext4_map_blocks(NULL, inode, &map, 0);
+	if (ret < 0)
+		return ret;
+	if (ret == 0) {
+		if (buffer_delay(bh))
+			return 0; /* Not sure this could or should happen */
 		/*
 		 * XXX: __block_prepare_write() unmaps passed block,
 		 * is it OK?
@@ -2562,26 +2530,26 @@ static int ext4_da_get_block_prep(struct inode *inode, sector_t iblock,
 			/* not enough space to reserve */
 			return ret;
 
-		map_bh(bh_result, inode->i_sb, invalid_block);
-		set_buffer_new(bh_result);
-		set_buffer_delay(bh_result);
-	} else if (ret > 0) {
-		bh_result->b_size = (ret << inode->i_blkbits);
-		if (buffer_unwritten(bh_result)) {
-			/* A delayed write to unwritten bh should
-			 * be marked new and mapped.  Mapped ensures
-			 * that we don't do get_block multiple times
-			 * when we write to the same offset and new
-			 * ensures that we do proper zero out for
-			 * partial write.
-			 */
-			set_buffer_new(bh_result);
-			set_buffer_mapped(bh_result);
-		}
-		ret = 0;
+		map_bh(bh, inode->i_sb, invalid_block);
+		set_buffer_new(bh);
+		set_buffer_delay(bh);
+		return 0;
 	}
 
-	return ret;
+	map_bh(bh, inode->i_sb, map.m_pblk);
+	bh->b_state = (bh->b_state & ~EXT4_MAP_FLAGS) | map.m_flags;
+
+	if (buffer_unwritten(bh)) {
+		/* A delayed write to unwritten bh should be marked
+		 * new and mapped.  Mapped ensures that we don't do
+		 * get_block multiple times when we write to the same
+		 * offset and new ensures that we do proper zero out
+		 * for partial write.
+		 */
+		set_buffer_new(bh);
+		set_buffer_mapped(bh);
+	}
+	return 0;
 }
 
 /*
@@ -2603,21 +2571,8 @@ static int ext4_da_get_block_prep(struct inode *inode, sector_t iblock,
 static int noalloc_get_block_write(struct inode *inode, sector_t iblock,
 				   struct buffer_head *bh_result, int create)
 {
-	int ret = 0;
-	unsigned max_blocks = bh_result->b_size >> inode->i_blkbits;
-
 	BUG_ON(bh_result->b_size != inode->i_sb->s_blocksize);
-
-	/*
-	 * we don't want to do block allocation in writepage
-	 * so call get_block_wrap with create = 0
-	 */
-	ret = ext4_get_blocks(NULL, inode, iblock, max_blocks, bh_result, 0);
-	if (ret > 0) {
-		bh_result->b_size = (ret << inode->i_blkbits);
-		ret = 0;
-	}
-	return ret;
+	return _ext4_get_block(inode, iblock, bh_result, 0);
 }
 
 static int bget_one(handle_t *handle, struct buffer_head *bh)
@@ -3644,46 +3599,18 @@ out:
 	return ret;
 }
 
+/*
+ * ext4_get_block used when preparing for a DIO write or buffer write.
+ * We allocate an uinitialized extent if blocks haven't been allocated.
+ * The extent will be converted to initialized after the IO is complete.
+ */
 static int ext4_get_block_write(struct inode *inode, sector_t iblock,
 		   struct buffer_head *bh_result, int create)
 {
-	handle_t *handle = ext4_journal_current_handle();
-	int ret = 0;
-	unsigned max_blocks = bh_result->b_size >> inode->i_blkbits;
-	int dio_credits;
-	int started = 0;
-
 	ext4_debug("ext4_get_block_write: inode %lu, create flag %d\n",
 		   inode->i_ino, create);
-	/*
-	 * ext4_get_block in prepare for a DIO write or buffer write.
-	 * We allocate an uinitialized extent if blocks haven't been allocated.
-	 * The extent will be converted to initialized after IO complete.
-	 */
-	create = EXT4_GET_BLOCKS_IO_CREATE_EXT;
-
-	if (!handle) {
-		if (max_blocks > DIO_MAX_BLOCKS)
-			max_blocks = DIO_MAX_BLOCKS;
-		dio_credits = ext4_chunk_trans_blocks(inode, max_blocks);
-		handle = ext4_journal_start(inode, dio_credits);
-		if (IS_ERR(handle)) {
-			ret = PTR_ERR(handle);
-			goto out;
-		}
-		started = 1;
-	}
-
-	ret = ext4_get_blocks(handle, inode, iblock, max_blocks, bh_result,
-			      create);
-	if (ret > 0) {
-		bh_result->b_size = (ret << inode->i_blkbits);
-		ret = 0;
-	}
-	if (started)
-		ext4_journal_stop(handle);
-out:
-	return ret;
+	return _ext4_get_block(inode, iblock, bh_result,
+			       EXT4_GET_BLOCKS_IO_CREATE_EXT);
 }
 
 static void dump_completed_IO(struct inode * inode)

From 24676da469f50f433baa347845639662c561d1f6 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 16 May 2010 21:00:00 -0400
Subject: [PATCH 1518/3638] ext4: Convert calls of ext4_error() to
 EXT4_ERROR_INODE()

EXT4_ERROR_INODE() tends to provide better error information and in a
more consistent format.  Some errors were not even identifying the inode
or directory which was corrupted, which made them not very useful.

Addresses-Google-Bug: #2507977

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/dir.c         | 10 +++---
 fs/ext4/ext4.h        |  4 +--
 fs/ext4/extents.c     | 10 +++---
 fs/ext4/inode.c       | 83 ++++++++++++++++++++-----------------------
 fs/ext4/move_extent.c |  8 ++---
 fs/ext4/namei.c       | 39 ++++++++++----------
 fs/ext4/xattr.c       | 35 +++++++++---------
 7 files changed, 86 insertions(+), 103 deletions(-)

diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index e3f2700b8be..6a2b8bcff64 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -83,11 +83,10 @@ int ext4_check_dir_entry(const char *function, struct inode *dir,
 		error_msg = "inode out of bounds";
 
 	if (error_msg != NULL)
-		__ext4_error(dir->i_sb, function,
-			"bad entry in directory #%lu: %s - block=%llu"
+		ext4_error_inode(function, dir,
+			"bad entry in directory: %s - block=%llu"
 			"offset=%u(%u), inode=%u, rec_len=%d, name_len=%d",
-			dir->i_ino, error_msg, 
-			(unsigned long long) bh->b_blocknr,     
+			error_msg, (unsigned long long) bh->b_blocknr,
 			(unsigned) (offset%bh->b_size), offset,
 			le32_to_cpu(de->inode),
 			rlen, de->name_len);
@@ -152,9 +151,8 @@ static int ext4_readdir(struct file *filp,
 		 */
 		if (!bh) {
 			if (!dir_has_error) {
-				ext4_error(sb, "directory #%lu "
+				EXT4_ERROR_INODE(inode, "directory "
 					   "contains a hole at offset %Lu",
-					   inode->i_ino,
 					   (unsigned long long) filp->f_pos);
 				dir_has_error = 1;
 			}
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 57fc0e5c091..413321ff1e2 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -54,10 +54,10 @@
 #endif
 
 #define EXT4_ERROR_INODE(inode, fmt, a...) \
-	ext4_error_inode(__func__, (inode), (fmt), ## a);
+	ext4_error_inode(__func__, (inode), (fmt), ## a)
 
 #define EXT4_ERROR_FILE(file, fmt, a...)	\
-	ext4_error_file(__func__, (file), (fmt), ## a);
+	ext4_error_file(__func__, (file), (fmt), ## a)
 
 /* data type for block offset of block group */
 typedef int ext4_grpblk_t;
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d6801eb7232..91c3873970e 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -439,10 +439,10 @@ static int __ext4_ext_check(const char *function, struct inode *inode,
 	return 0;
 
 corrupted:
-	__ext4_error(inode->i_sb, function,
-			"bad header/extent in inode #%lu: %s - magic %x, "
+	ext4_error_inode(function, inode,
+			"bad header/extent: %s - magic %x, "
 			"entries %u, max %u(%u), depth %u(%u)",
-			inode->i_ino, error_msg, le16_to_cpu(eh->eh_magic),
+			error_msg, le16_to_cpu(eh->eh_magic),
 			le16_to_cpu(eh->eh_entries), le16_to_cpu(eh->eh_max),
 			max, le16_to_cpu(eh->eh_depth), depth);
 
@@ -1622,9 +1622,7 @@ int ext4_ext_try_to_merge(struct inode *inode,
 		merge_done = 1;
 		WARN_ON(eh->eh_entries == 0);
 		if (!eh->eh_entries)
-			ext4_error(inode->i_sb,
-				   "inode#%lu, eh->eh_entries = 0!",
-				   inode->i_ino);
+			EXT4_ERROR_INODE(inode, "eh->eh_entries = 0!");
 	}
 
 	return merge_done;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 0b1d7c89f93..3b687725758 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -348,9 +348,8 @@ static int __ext4_check_blockref(const char *function, struct inode *inode,
 		if (blk &&
 		    unlikely(!ext4_data_block_valid(EXT4_SB(inode->i_sb),
 						    blk, 1))) {
-			__ext4_error(inode->i_sb, function,
-				   "invalid block reference %u "
-				   "in inode #%lu", blk, inode->i_ino);
+			ext4_error_inode(function, inode,
+					 "invalid block reference %u", blk);
 			return -EIO;
 		}
 	}
@@ -1129,15 +1128,15 @@ void ext4_da_update_reserve_space(struct inode *inode,
 		ext4_discard_preallocations(inode);
 }
 
-static int check_block_validity(struct inode *inode, const char *msg,
-				sector_t logical, sector_t phys, int len)
+static int check_block_validity(struct inode *inode, const char *func,
+				struct ext4_map_blocks *map)
 {
-	if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), phys, len)) {
-		__ext4_error(inode->i_sb, msg,
-			   "inode #%lu logical block %llu mapped to %llu "
-			   "(size %d)", inode->i_ino,
-			   (unsigned long long) logical,
-			   (unsigned long long) phys, len);
+	if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), map->m_pblk,
+				   map->m_len)) {
+		ext4_error_inode(func, inode,
+			   "lblock %lu mapped to illegal pblock %llu "
+			   "(length %d)", (unsigned long) map->m_lblk,
+				 map->m_pblk, map->m_len);
 		return -EIO;
 	}
 	return 0;
@@ -1245,8 +1244,7 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
 	up_read((&EXT4_I(inode)->i_data_sem));
 
 	if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) {
-		int ret = check_block_validity(inode, "file system corruption",
-					map->m_lblk, map->m_pblk, retval);
+		int ret = check_block_validity(inode, __func__, map);
 		if (ret != 0)
 			return ret;
 	}
@@ -1326,10 +1324,9 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
 
 	up_write((&EXT4_I(inode)->i_data_sem));
 	if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) {
-		int ret = check_block_validity(inode, "file system "
-					       "corruption after allocation",
-					       map->m_lblk, map->m_pblk,
-					       retval);
+		int ret = check_block_validity(inode,
+					       "ext4_map_blocks_after_alloc",
+					       map);
 		if (ret != 0)
 			return ret;
 	}
@@ -4327,10 +4324,9 @@ static int ext4_clear_blocks(handle_t *handle, struct inode *inode,
 
 	if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), block_to_free,
 				   count)) {
-		ext4_error(inode->i_sb, "inode #%lu: "
-			   "attempt to clear blocks %llu len %lu, invalid",
-			   inode->i_ino, (unsigned long long) block_to_free,
-			   count);
+		EXT4_ERROR_INODE(inode, "attempt to clear invalid "
+				 "blocks %llu len %lu",
+				 (unsigned long long) block_to_free, count);
 		return 1;
 	}
 
@@ -4435,11 +4431,10 @@ static void ext4_free_data(handle_t *handle, struct inode *inode,
 		if ((EXT4_JOURNAL(inode) == NULL) || bh2jh(this_bh))
 			ext4_handle_dirty_metadata(handle, inode, this_bh);
 		else
-			ext4_error(inode->i_sb,
-				   "circular indirect block detected, "
-				   "inode=%lu, block=%llu",
-				   inode->i_ino,
-				   (unsigned long long) this_bh->b_blocknr);
+			EXT4_ERROR_INODE(inode,
+					 "circular indirect block detected at "
+					 "block %llu",
+				(unsigned long long) this_bh->b_blocknr);
 	}
 }
 
@@ -4477,11 +4472,10 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
 
 			if (!ext4_data_block_valid(EXT4_SB(inode->i_sb),
 						   nr, 1)) {
-				ext4_error(inode->i_sb,
-					   "indirect mapped block in inode "
-					   "#%lu invalid (level %d, blk #%lu)",
-					   inode->i_ino, depth,
-					   (unsigned long) nr);
+				EXT4_ERROR_INODE(inode,
+						 "invalid indirect mapped "
+						 "block %lu (level %d)",
+						 (unsigned long) nr, depth);
 				break;
 			}
 
@@ -4493,9 +4487,9 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
 			 * (should be rare).
 			 */
 			if (!bh) {
-				ext4_error(inode->i_sb,
-					   "Read failure, inode=%lu, block=%llu",
-					   inode->i_ino, nr);
+				EXT4_ERROR_INODE(inode,
+						 "Read failure block=%llu",
+						 (unsigned long long) nr);
 				continue;
 			}
 
@@ -4810,8 +4804,8 @@ static int __ext4_get_inode_loc(struct inode *inode,
 
 	bh = sb_getblk(sb, block);
 	if (!bh) {
-		ext4_error(sb, "unable to read inode block - "
-			   "inode=%lu, block=%llu", inode->i_ino, block);
+		EXT4_ERROR_INODE(inode, "unable to read inode block - "
+				 "block %llu", block);
 		return -EIO;
 	}
 	if (!buffer_uptodate(bh)) {
@@ -4909,8 +4903,8 @@ make_io:
 		submit_bh(READ_META, bh);
 		wait_on_buffer(bh);
 		if (!buffer_uptodate(bh)) {
-			ext4_error(sb, "unable to read inode block - inode=%lu,"
-				   " block=%llu", inode->i_ino, block);
+			EXT4_ERROR_INODE(inode, "unable to read inode "
+					 "block %llu", block);
 			brelse(bh);
 			return -EIO;
 		}
@@ -5121,8 +5115,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 	ret = 0;
 	if (ei->i_file_acl &&
 	    !ext4_data_block_valid(EXT4_SB(sb), ei->i_file_acl, 1)) {
-		ext4_error(sb, "bad extended attribute block %llu inode #%lu",
-			   ei->i_file_acl, inode->i_ino);
+		EXT4_ERROR_INODE(inode, "bad extended attribute block %llu",
+				 ei->i_file_acl);
 		ret = -EIO;
 		goto bad_inode;
 	} else if (ei->i_flags & EXT4_EXTENTS_FL) {
@@ -5167,8 +5161,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 			   new_decode_dev(le32_to_cpu(raw_inode->i_block[1])));
 	} else {
 		ret = -EIO;
-		ext4_error(inode->i_sb, "bogus i_mode (%o) for inode=%lu",
-			   inode->i_mode, inode->i_ino);
+		EXT4_ERROR_INODE(inode, "bogus i_mode (%o)", inode->i_mode);
 		goto bad_inode;
 	}
 	brelse(iloc.bh);
@@ -5406,9 +5399,9 @@ int ext4_write_inode(struct inode *inode, struct writeback_control *wbc)
 		if (wbc->sync_mode == WB_SYNC_ALL)
 			sync_dirty_buffer(iloc.bh);
 		if (buffer_req(iloc.bh) && !buffer_uptodate(iloc.bh)) {
-			ext4_error(inode->i_sb, "IO error syncing inode, "
-				   "inode=%lu, block=%llu", inode->i_ino,
-				   (unsigned long long)iloc.bh->b_blocknr);
+			EXT4_ERROR_INODE(inode,
+				"IO error syncing inode (block=%llu)",
+				(unsigned long long) iloc.bh->b_blocknr);
 			err = -EIO;
 		}
 		brelse(iloc.bh);
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 82621a36093..b8b8ea1ceda 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -530,7 +530,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 	 * new_ext       |-------|
 	 */
 	if (le32_to_cpu(oext->ee_block) + oext_alen - 1 < new_ext_end) {
-		ext4_error(orig_inode->i_sb,
+		EXT4_ERROR_INODE(orig_inode,
 			"new_ext_end(%u) should be less than or equal to "
 			"oext->ee_block(%u) + oext_alen(%d) - 1",
 			new_ext_end, le32_to_cpu(oext->ee_block),
@@ -693,12 +693,12 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
 	while (1) {
 		/* The extent for donor must be found. */
 		if (!dext) {
-			ext4_error(donor_inode->i_sb,
+			EXT4_ERROR_INODE(donor_inode,
 				   "The extent for donor must be found");
 			*err = -EIO;
 			goto out;
 		} else if (donor_off != le32_to_cpu(tmp_dext.ee_block)) {
-			ext4_error(donor_inode->i_sb,
+			EXT4_ERROR_INODE(donor_inode,
 				"Donor offset(%u) and the first block of donor "
 				"extent(%u) should be equal",
 				donor_off,
@@ -1355,7 +1355,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 			if (ret1 < 0)
 				break;
 			if (*moved_len > len) {
-				ext4_error(orig_inode->i_sb,
+				EXT4_ERROR_INODE(orig_inode,
 					"We replaced blocks too much! "
 					"sum of replaced: %llu requested: %llu",
 					*moved_len, len);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 0c070fabd10..bff77b04f0d 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -943,8 +943,8 @@ restart:
 		wait_on_buffer(bh);
 		if (!buffer_uptodate(bh)) {
 			/* read error, skip block & hope for the best */
-			ext4_error(sb, "reading directory #%lu offset %lu",
-				   dir->i_ino, (unsigned long)block);
+			EXT4_ERROR_INODE(dir, "reading directory lblock %lu",
+					 (unsigned long) block);
 			brelse(bh);
 			goto next;
 		}
@@ -1066,15 +1066,15 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, stru
 		__u32 ino = le32_to_cpu(de->inode);
 		brelse(bh);
 		if (!ext4_valid_inum(dir->i_sb, ino)) {
-			ext4_error(dir->i_sb, "bad inode number: %u", ino);
+			EXT4_ERROR_INODE(dir, "bad inode number: %u", ino);
 			return ERR_PTR(-EIO);
 		}
 		inode = ext4_iget(dir->i_sb, ino);
 		if (unlikely(IS_ERR(inode))) {
 			if (PTR_ERR(inode) == -ESTALE) {
-				ext4_error(dir->i_sb,
-						"deleted inode referenced: %u",
-						ino);
+				EXT4_ERROR_INODE(dir,
+						 "deleted inode referenced: %u",
+						 ino);
 				return ERR_PTR(-EIO);
 			} else {
 				return ERR_CAST(inode);
@@ -1104,8 +1104,8 @@ struct dentry *ext4_get_parent(struct dentry *child)
 	brelse(bh);
 
 	if (!ext4_valid_inum(child->d_inode->i_sb, ino)) {
-		ext4_error(child->d_inode->i_sb,
-			   "bad inode number: %u", ino);
+		EXT4_ERROR_INODE(child->d_inode,
+				 "bad parent inode number: %u", ino);
 		return ERR_PTR(-EIO);
 	}
 
@@ -1404,9 +1404,7 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry,
 	de = (struct ext4_dir_entry_2 *)((char *)fde +
 		ext4_rec_len_from_disk(fde->rec_len, blocksize));
 	if ((char *) de >= (((char *) root) + blocksize)) {
-		ext4_error(dir->i_sb,
-			   "invalid rec_len for '..' in inode %lu",
-			   dir->i_ino);
+		EXT4_ERROR_INODE(dir, "invalid rec_len for '..'");
 		brelse(bh);
 		return -EIO;
 	}
@@ -1915,9 +1913,8 @@ static int empty_dir(struct inode *inode)
 	if (inode->i_size < EXT4_DIR_REC_LEN(1) + EXT4_DIR_REC_LEN(2) ||
 	    !(bh = ext4_bread(NULL, inode, 0, 0, &err))) {
 		if (err)
-			ext4_error(inode->i_sb,
-				   "error %d reading directory #%lu offset 0",
-				   err, inode->i_ino);
+			EXT4_ERROR_INODE(inode,
+				"error %d reading directory lblock 0", err);
 		else
 			ext4_warning(inode->i_sb,
 				     "bad directory (dir #%lu) - no data block",
@@ -1941,17 +1938,17 @@ static int empty_dir(struct inode *inode)
 	de = ext4_next_entry(de1, sb->s_blocksize);
 	while (offset < inode->i_size) {
 		if (!bh ||
-			(void *) de >= (void *) (bh->b_data+sb->s_blocksize)) {
+		    (void *) de >= (void *) (bh->b_data+sb->s_blocksize)) {
+			unsigned int lblock;
 			err = 0;
 			brelse(bh);
-			bh = ext4_bread(NULL, inode,
-				offset >> EXT4_BLOCK_SIZE_BITS(sb), 0, &err);
+			lblock = offset >> EXT4_BLOCK_SIZE_BITS(sb);
+			bh = ext4_bread(NULL, inode, lblock, 0, &err);
 			if (!bh) {
 				if (err)
-					ext4_error(sb,
-						   "error %d reading directory"
-						   " #%lu offset %u",
-						   err, inode->i_ino, offset);
+					EXT4_ERROR_INODE(inode,
+						"error %d reading directory "
+						"lblock %u", err, lblock);
 				offset += sb->s_blocksize;
 				continue;
 			}
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index b4c5aa8489d..0a09a2e96f0 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -228,9 +228,8 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
 		atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
 	if (ext4_xattr_check_block(bh)) {
 bad_block:
-		ext4_error(inode->i_sb,
-			   "inode %lu: bad block %llu", inode->i_ino,
-			   EXT4_I(inode)->i_file_acl);
+		EXT4_ERROR_INODE(inode, "bad block %llu",
+				 EXT4_I(inode)->i_file_acl);
 		error = -EIO;
 		goto cleanup;
 	}
@@ -372,9 +371,8 @@ ext4_xattr_block_list(struct dentry *dentry, char *buffer, size_t buffer_size)
 	ea_bdebug(bh, "b_count=%d, refcount=%d",
 		atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
 	if (ext4_xattr_check_block(bh)) {
-		ext4_error(inode->i_sb,
-			   "inode %lu: bad block %llu", inode->i_ino,
-			   EXT4_I(inode)->i_file_acl);
+		EXT4_ERROR_INODE(inode, "bad block %llu",
+				 EXT4_I(inode)->i_file_acl);
 		error = -EIO;
 		goto cleanup;
 	}
@@ -666,8 +664,8 @@ ext4_xattr_block_find(struct inode *inode, struct ext4_xattr_info *i,
 			atomic_read(&(bs->bh->b_count)),
 			le32_to_cpu(BHDR(bs->bh)->h_refcount));
 		if (ext4_xattr_check_block(bs->bh)) {
-			ext4_error(sb, "inode %lu: bad block %llu",
-				   inode->i_ino, EXT4_I(inode)->i_file_acl);
+			EXT4_ERROR_INODE(inode, "bad block %llu",
+					 EXT4_I(inode)->i_file_acl);
 			error = -EIO;
 			goto cleanup;
 		}
@@ -880,8 +878,8 @@ cleanup_dquot:
 	goto cleanup;
 
 bad_block:
-	ext4_error(inode->i_sb, "inode %lu: bad block %llu",
-		   inode->i_ino, EXT4_I(inode)->i_file_acl);
+	EXT4_ERROR_INODE(inode, "bad block %llu",
+			 EXT4_I(inode)->i_file_acl);
 	goto cleanup;
 
 #undef header
@@ -1194,8 +1192,8 @@ retry:
 		if (!bh)
 			goto cleanup;
 		if (ext4_xattr_check_block(bh)) {
-			ext4_error(inode->i_sb, "inode %lu: bad block %llu",
-				   inode->i_ino, EXT4_I(inode)->i_file_acl);
+			EXT4_ERROR_INODE(inode, "bad block %llu",
+					 EXT4_I(inode)->i_file_acl);
 			error = -EIO;
 			goto cleanup;
 		}
@@ -1372,14 +1370,14 @@ ext4_xattr_delete_inode(handle_t *handle, struct inode *inode)
 		goto cleanup;
 	bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
 	if (!bh) {
-		ext4_error(inode->i_sb, "inode %lu: block %llu read error",
-			   inode->i_ino, EXT4_I(inode)->i_file_acl);
+		EXT4_ERROR_INODE(inode, "block %llu read error",
+				 EXT4_I(inode)->i_file_acl);
 		goto cleanup;
 	}
 	if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
 	    BHDR(bh)->h_blocks != cpu_to_le32(1)) {
-		ext4_error(inode->i_sb, "inode %lu: bad block %llu",
-			   inode->i_ino, EXT4_I(inode)->i_file_acl);
+		EXT4_ERROR_INODE(inode, "bad block %llu",
+				 EXT4_I(inode)->i_file_acl);
 		goto cleanup;
 	}
 	ext4_xattr_release_block(handle, inode, bh);
@@ -1504,9 +1502,8 @@ again:
 		}
 		bh = sb_bread(inode->i_sb, ce->e_block);
 		if (!bh) {
-			ext4_error(inode->i_sb,
-				"inode %lu: block %lu read error",
-				inode->i_ino, (unsigned long) ce->e_block);
+			EXT4_ERROR_INODE(inode, "block %lu read error",
+					 (unsigned long) ce->e_block);
 		} else if (le32_to_cpu(BHDR(bh)->h_refcount) >=
 				EXT4_XATTR_REFCOUNT_MAX) {
 			ea_idebug(inode, "block %lu refcount %d>=%d",

From 91d60417212fa6b100107384c5e4f5663ab69c8f Mon Sep 17 00:00:00 2001
From: Steven King <sfking@fdwdc.com>
Date: Fri, 22 Jan 2010 12:43:03 -0800
Subject: [PATCH 1519/3638] m68knommu: Coldfire QSPI platform support

Since Grant has added the coldfire-qspi driver to next-spi, here is the
platform support for the parts that have qspi hardware.  This sets up
gpio to do the spi chip select using the default chip select pins; it should
be trivial for boards that require different or additional spi chip selects to
use other gpios as needed.

Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68k/include/asm/m520xsim.h      |   1 +
 arch/m68k/include/asm/m523xsim.h      |   5 +
 arch/m68k/include/asm/m5249sim.h      |   2 +
 arch/m68k/include/asm/m527xsim.h      |   7 +
 arch/m68k/include/asm/m528xsim.h      |  67 +---------
 arch/m68k/include/asm/m532xsim.h      |   1 +
 arch/m68k/include/asm/mcfqspi.h       |  64 +++++++++
 arch/m68knommu/platform/520x/config.c | 149 +++++++++++++++++++++
 arch/m68knommu/platform/523x/config.c | 170 ++++++++++++++++++++++++
 arch/m68knommu/platform/5249/config.c | 167 +++++++++++++++++++++++
 arch/m68knommu/platform/527x/config.c | 182 ++++++++++++++++++++++++++
 arch/m68knommu/platform/528x/config.c | 137 +++++++++++++++++++
 arch/m68knommu/platform/532x/config.c | 124 ++++++++++++++++++
 13 files changed, 1010 insertions(+), 66 deletions(-)
 create mode 100644 arch/m68k/include/asm/mcfqspi.h

diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h
index ed2b69b9680..db824a4b136 100644
--- a/arch/m68k/include/asm/m520xsim.h
+++ b/arch/m68k/include/asm/m520xsim.h
@@ -113,6 +113,7 @@
 
 #define MCF_GPIO_PAR_UART                   (0xA4036)
 #define MCF_GPIO_PAR_FECI2C                 (0xA4033)
+#define MCF_GPIO_PAR_QSPI                   (0xA4034)
 #define MCF_GPIO_PAR_FEC                    (0xA4038)
 
 #define MCF_GPIO_PAR_UART_PAR_URXD0         (0x0001)
diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h
index a34894cf8e6..e8d06b24a48 100644
--- a/arch/m68k/include/asm/m523xsim.h
+++ b/arch/m68k/include/asm/m523xsim.h
@@ -127,5 +127,10 @@
 #define MCFGPIO_IRQ_MAX			8
 #define MCFGPIO_IRQ_VECBASE		MCFINT_VECBASE
 
+/*
+ * Pin Assignment
+*/
+#define	MCFGPIO_PAR_QSPI	(MCF_IPSBAR + 0x10004A)
+#define	MCFGPIO_PAR_TIMER	(MCF_IPSBAR + 0x10004C)
 /****************************************************************************/
 #endif	/* m523xsim_h */
diff --git a/arch/m68k/include/asm/m5249sim.h b/arch/m68k/include/asm/m5249sim.h
index 14bce877ed8..79b7b402f3c 100644
--- a/arch/m68k/include/asm/m5249sim.h
+++ b/arch/m68k/include/asm/m5249sim.h
@@ -69,10 +69,12 @@
 #define	MCFSIM_DMA1ICR		MCFSIM_ICR7	/* DMA 1 ICR */
 #define	MCFSIM_DMA2ICR		MCFSIM_ICR8	/* DMA 2 ICR */
 #define	MCFSIM_DMA3ICR		MCFSIM_ICR9	/* DMA 3 ICR */
+#define	MCFSIM_QSPIICR		MCFSIM_ICR10	/* QSPI ICR */
 
 /*
  *	Define system peripheral IRQ usage.
  */
+#define	MCF_IRQ_QSPI		28		/* QSPI, Level 4 */
 #define	MCF_IRQ_TIMER		30		/* Timer0, Level 6 */
 #define	MCF_IRQ_PROFILER	31		/* Timer1, Level 7 */
 
diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h
index 453356d72d8..1feb46f108c 100644
--- a/arch/m68k/include/asm/m527xsim.h
+++ b/arch/m68k/include/asm/m527xsim.h
@@ -31,6 +31,7 @@
 #define	MCFINT_UART0		13		/* Interrupt number for UART0 */
 #define	MCFINT_UART1		14		/* Interrupt number for UART1 */
 #define	MCFINT_UART2		15		/* Interrupt number for UART2 */
+#define	MCFINT_QSPI		18		/* Interrupt number for QSPI */
 #define	MCFINT_PIT1		36		/* Interrupt number for PIT1 */
 
 /*
@@ -120,6 +121,9 @@
 #define MCFGPIO_PIN_MAX			100
 #define MCFGPIO_IRQ_MAX			8
 #define MCFGPIO_IRQ_VECBASE		MCFINT_VECBASE
+
+#define MCFGPIO_PAR_QSPI	(MCF_IPSBAR + 0x10004A)
+#define MCFGPIO_PAR_TIMER	(MCF_IPSBAR + 0x10004C)
 #endif
 
 #ifdef CONFIG_M5275
@@ -212,6 +216,8 @@
 #define MCFGPIO_PIN_MAX			148
 #define MCFGPIO_IRQ_MAX			8
 #define MCFGPIO_IRQ_VECBASE		MCFINT_VECBASE
+
+#define MCFGPIO_PAR_QSPI	(MCF_IPSBAR + 0x10007E)
 #endif
 
 /*
@@ -223,6 +229,7 @@
 #define MCFEPORT_EPPDR		(MCF_IPSBAR + 0x130005)
 
 
+
 /*
  *	GPIO pins setups to enable the UARTs.
  */
diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h
index e2ad1f42b65..891cbedad97 100644
--- a/arch/m68k/include/asm/m528xsim.h
+++ b/arch/m68k/include/asm/m528xsim.h
@@ -29,6 +29,7 @@
 
 #define	MCFINT_VECBASE		64		/* Vector base number */
 #define	MCFINT_UART0		13		/* Interrupt number for UART0 */
+#define	MCFINT_QSPI		18		/* Interrupt number for QSPI */
 #define	MCFINT_PIT1		55		/* Interrupt number for PIT1 */
 
 /*
@@ -249,70 +250,4 @@
 #define MCF5282_I2C_I2SR_RXAK   (0x01)  // received acknowledge
 
 
-
-/*********************************************************************
-*
-* Queued Serial Peripheral Interface (QSPI) Module
-*
-*********************************************************************/
-/* Derek - 21 Feb 2005 */
-/* change to the format used in I2C */
-/* Read/Write access macros for general use */
-#define MCF5282_QSPI_QMR        MCF_IPSBAR + 0x0340
-#define MCF5282_QSPI_QDLYR      MCF_IPSBAR + 0x0344
-#define MCF5282_QSPI_QWR        MCF_IPSBAR + 0x0348
-#define MCF5282_QSPI_QIR        MCF_IPSBAR + 0x034C
-#define MCF5282_QSPI_QAR        MCF_IPSBAR + 0x0350
-#define MCF5282_QSPI_QDR        MCF_IPSBAR + 0x0354
-#define MCF5282_QSPI_QCR        MCF_IPSBAR + 0x0354
-
-/* Bit level definitions and macros */
-#define MCF5282_QSPI_QMR_MSTR                           (0x8000)
-#define MCF5282_QSPI_QMR_DOHIE                          (0x4000)
-#define MCF5282_QSPI_QMR_BITS_16                        (0x0000)
-#define MCF5282_QSPI_QMR_BITS_8                         (0x2000)
-#define MCF5282_QSPI_QMR_BITS_9                         (0x2400)
-#define MCF5282_QSPI_QMR_BITS_10                        (0x2800)
-#define MCF5282_QSPI_QMR_BITS_11                        (0x2C00)
-#define MCF5282_QSPI_QMR_BITS_12                        (0x3000)
-#define MCF5282_QSPI_QMR_BITS_13                        (0x3400)
-#define MCF5282_QSPI_QMR_BITS_14                        (0x3800)
-#define MCF5282_QSPI_QMR_BITS_15                        (0x3C00)
-#define MCF5282_QSPI_QMR_CPOL                           (0x0200)
-#define MCF5282_QSPI_QMR_CPHA                           (0x0100)
-#define MCF5282_QSPI_QMR_BAUD(x)                        (((x)&0x00FF))
-
-#define MCF5282_QSPI_QDLYR_SPE                          (0x80)
-#define MCF5282_QSPI_QDLYR_QCD(x)                       (((x)&0x007F)<<8)
-#define MCF5282_QSPI_QDLYR_DTL(x)                       (((x)&0x00FF))
-
-#define MCF5282_QSPI_QWR_HALT                           (0x8000)
-#define MCF5282_QSPI_QWR_WREN                           (0x4000)
-#define MCF5282_QSPI_QWR_WRTO                           (0x2000)
-#define MCF5282_QSPI_QWR_CSIV                           (0x1000)
-#define MCF5282_QSPI_QWR_ENDQP(x)                       (((x)&0x000F)<<8)
-#define MCF5282_QSPI_QWR_CPTQP(x)                       (((x)&0x000F)<<4)
-#define MCF5282_QSPI_QWR_NEWQP(x)                       (((x)&0x000F))
-
-#define MCF5282_QSPI_QIR_WCEFB                          (0x8000)
-#define MCF5282_QSPI_QIR_ABRTB                          (0x4000)
-#define MCF5282_QSPI_QIR_ABRTL                          (0x1000)
-#define MCF5282_QSPI_QIR_WCEFE                          (0x0800)
-#define MCF5282_QSPI_QIR_ABRTE                          (0x0400)
-#define MCF5282_QSPI_QIR_SPIFE                          (0x0100)
-#define MCF5282_QSPI_QIR_WCEF                           (0x0008)
-#define MCF5282_QSPI_QIR_ABRT                           (0x0004)
-#define MCF5282_QSPI_QIR_SPIF                           (0x0001)
-
-#define MCF5282_QSPI_QAR_ADDR(x)                        (((x)&0x003F))
-
-#define MCF5282_QSPI_QDR_COMMAND(x)                     (((x)&0xFF00))
-#define MCF5282_QSPI_QCR_DATA(x)                        (((x)&0x00FF)<<8)
-#define MCF5282_QSPI_QCR_CONT                           (0x8000)
-#define MCF5282_QSPI_QCR_BITSE                          (0x4000)
-#define MCF5282_QSPI_QCR_DT                             (0x2000)
-#define MCF5282_QSPI_QCR_DSCK                           (0x1000)
-#define MCF5282_QSPI_QCR_CS                             (((x)&0x000F)<<8)
-
-/****************************************************************************/
 #endif	/* m528xsim_h */
diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h
index 36bf15aec9a..c4bf1c81e3c 100644
--- a/arch/m68k/include/asm/m532xsim.h
+++ b/arch/m68k/include/asm/m532xsim.h
@@ -17,6 +17,7 @@
 #define MCFINT_UART0        26          /* Interrupt number for UART0 */
 #define MCFINT_UART1        27          /* Interrupt number for UART1 */
 #define MCFINT_UART2        28          /* Interrupt number for UART2 */
+#define MCFINT_QSPI         31          /* Interrupt number for QSPI */
 
 #define MCF_WTM_WCR	MCF_REG16(0xFC098000)
 
diff --git a/arch/m68k/include/asm/mcfqspi.h b/arch/m68k/include/asm/mcfqspi.h
new file mode 100644
index 00000000000..39d90d51111
--- /dev/null
+++ b/arch/m68k/include/asm/mcfqspi.h
@@ -0,0 +1,64 @@
+/*
+ * Definitions for Freescale Coldfire QSPI module
+ *
+ * Copyright 2010 Steven King <sfking@fdwdc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+*/
+
+#ifndef mcfqspi_h
+#define mcfqspi_h
+
+#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
+#define	MCFQSPI_IOBASE		(MCF_IPSBAR + 0x340)
+#elif defined(CONFIG_M5249)
+#define MCFQSPI_IOBASE		(MCF_MBAR + 0x300)
+#elif defined(CONFIG_M520x) || defined(CONFIG_M532x)
+#define MCFQSPI_IOBASE		0xFC058000
+#endif
+#define MCFQSPI_IOSIZE		0x40
+
+/**
+ * struct mcfqspi_cs_control - chip select control for the coldfire qspi driver
+ * @setup: setup the control; allocate gpio's, etc. May be NULL.
+ * @teardown: finish with the control; free gpio's, etc. May be NULL.
+ * @select: output the signals to select the device.  Can not be NULL.
+ * @deselect: output the signals to deselect the device. Can not be NULL.
+ *
+ * The QSPI module has 4 hardware chip selects.  We don't use them.  Instead
+ * platforms are required to supply a mcfqspi_cs_control as a part of the
+ * platform data for each QSPI master controller.  Only the select and
+ * deselect functions are required.
+*/
+struct mcfqspi_cs_control {
+	int 	(*setup)(struct mcfqspi_cs_control *);
+	void	(*teardown)(struct mcfqspi_cs_control *);
+	void	(*select)(struct mcfqspi_cs_control *, u8, bool);
+	void	(*deselect)(struct mcfqspi_cs_control *, u8, bool);
+};
+
+/**
+ * struct mcfqspi_platform_data - platform data for the coldfire qspi driver
+ * @bus_num: board specific identifier for this qspi driver.
+ * @num_chipselects: number of chip selects supported by this qspi driver.
+ * @cs_control: platform dependent chip select control.
+*/
+struct mcfqspi_platform_data {
+	s16	bus_num;
+	u16	num_chipselect;
+	struct mcfqspi_cs_control *cs_control;
+};
+
+#endif /* mcfqspi_h */
diff --git a/arch/m68knommu/platform/520x/config.c b/arch/m68knommu/platform/520x/config.c
index 92614de42cd..71d2ba474c6 100644
--- a/arch/m68knommu/platform/520x/config.c
+++ b/arch/m68knommu/platform/520x/config.c
@@ -15,10 +15,13 @@
 #include <linux/param.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
 #include <asm/mcfuart.h>
+#include <asm/mcfqspi.h>
 
 /***************************************************************************/
 
@@ -74,9 +77,152 @@ static struct platform_device m520x_fec = {
 	.resource		= m520x_fec_resources,
 };
 
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+static struct resource m520x_qspi_resources[] = {
+	{
+		.start		= MCFQSPI_IOBASE,
+		.end		= MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= MCFINT_VECBASE + MCFINT_QSPI,
+		.end		= MCFINT_VECBASE + MCFINT_QSPI,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+#define MCFQSPI_CS0    62
+#define MCFQSPI_CS1    63
+#define MCFQSPI_CS2    44
+
+static int m520x_cs_setup(struct mcfqspi_cs_control *cs_control)
+{
+	int status;
+
+	status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS0 failed\n");
+		goto fail0;
+	}
+	status = gpio_direction_output(MCFQSPI_CS0, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n");
+		goto fail1;
+	}
+
+	status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS1 failed\n");
+		goto fail1;
+	}
+	status = gpio_direction_output(MCFQSPI_CS1, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n");
+		goto fail2;
+	}
+
+	status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS2 failed\n");
+		goto fail2;
+	}
+	status = gpio_direction_output(MCFQSPI_CS2, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n");
+		goto fail3;
+	}
+
+	return 0;
+
+fail3:
+	gpio_free(MCFQSPI_CS2);
+fail2:
+	gpio_free(MCFQSPI_CS1);
+fail1:
+	gpio_free(MCFQSPI_CS0);
+fail0:
+	return status;
+}
+
+static void m520x_cs_teardown(struct mcfqspi_cs_control *cs_control)
+{
+	gpio_free(MCFQSPI_CS2);
+	gpio_free(MCFQSPI_CS1);
+	gpio_free(MCFQSPI_CS0);
+}
+
+static void m520x_cs_select(struct mcfqspi_cs_control *cs_control,
+			    u8 chip_select, bool cs_high)
+{
+	switch (chip_select) {
+	case 0:
+		gpio_set_value(MCFQSPI_CS0, cs_high);
+		break;
+	case 1:
+		gpio_set_value(MCFQSPI_CS1, cs_high);
+		break;
+	case 2:
+		gpio_set_value(MCFQSPI_CS2, cs_high);
+		break;
+	}
+}
+
+static void m520x_cs_deselect(struct mcfqspi_cs_control *cs_control,
+			      u8 chip_select, bool cs_high)
+{
+	switch (chip_select) {
+	case 0:
+		gpio_set_value(MCFQSPI_CS0, !cs_high);
+		break;
+	case 1:
+		gpio_set_value(MCFQSPI_CS1, !cs_high);
+		break;
+	case 2:
+		gpio_set_value(MCFQSPI_CS2, !cs_high);
+		break;
+	}
+}
+
+static struct mcfqspi_cs_control m520x_cs_control = {
+	.setup                  = m520x_cs_setup,
+	.teardown               = m520x_cs_teardown,
+	.select                 = m520x_cs_select,
+	.deselect               = m520x_cs_deselect,
+};
+
+static struct mcfqspi_platform_data m520x_qspi_data = {
+	.bus_num		= 0,
+	.num_chipselect		= 3,
+	.cs_control		= &m520x_cs_control,
+};
+
+static struct platform_device m520x_qspi = {
+	.name			= "mcfqspi",
+	.id			= 0,
+	.num_resources		= ARRAY_SIZE(m520x_qspi_resources),
+	.resource		= m520x_qspi_resources,
+	.dev.platform_data	= &m520x_qspi_data,
+};
+
+static void __init m520x_qspi_init(void)
+{
+	u16 par;
+	/* setup Port QS for QSPI with gpio CS control */
+	writeb(0x3f, MCF_IPSBAR + MCF_GPIO_PAR_QSPI);
+	/* make U1CTS and U2RTS gpio for cs_control */
+	par = readw(MCF_IPSBAR + MCF_GPIO_PAR_UART);
+	par &= 0x00ff;
+	writew(par, MCF_IPSBAR + MCF_GPIO_PAR_UART);
+}
+#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */
+
+
 static struct platform_device *m520x_devices[] __initdata = {
 	&m520x_uart,
 	&m520x_fec,
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	&m520x_qspi,
+#endif
 };
 
 /***************************************************************************/
@@ -147,6 +293,9 @@ void __init config_BSP(char *commandp, int size)
 	mach_reset = m520x_cpu_reset;
 	m520x_uarts_init();
 	m520x_fec_init();
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	m520x_qspi_init();
+#endif
 }
 
 /***************************************************************************/
diff --git a/arch/m68knommu/platform/523x/config.c b/arch/m68knommu/platform/523x/config.c
index 6ba84f2aa39..8980f6d7715 100644
--- a/arch/m68knommu/platform/523x/config.c
+++ b/arch/m68knommu/platform/523x/config.c
@@ -16,10 +16,13 @@
 #include <linux/param.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
 #include <asm/mcfuart.h>
+#include <asm/mcfqspi.h>
 
 /***************************************************************************/
 
@@ -75,9 +78,173 @@ static struct platform_device m523x_fec = {
 	.resource		= m523x_fec_resources,
 };
 
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+static struct resource m523x_qspi_resources[] = {
+	{
+		.start		= MCFQSPI_IOBASE,
+		.end		= MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= MCFINT_VECBASE + MCFINT_QSPI,
+		.end		= MCFINT_VECBASE + MCFINT_QSPI,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+#define MCFQSPI_CS0    91
+#define MCFQSPI_CS1    92
+#define MCFQSPI_CS2    103
+#define MCFQSPI_CS3    99
+
+static int m523x_cs_setup(struct mcfqspi_cs_control *cs_control)
+{
+	int status;
+
+	status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS0 failed\n");
+		goto fail0;
+	}
+	status = gpio_direction_output(MCFQSPI_CS0, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n");
+		goto fail1;
+	}
+
+	status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS1 failed\n");
+		goto fail1;
+	}
+	status = gpio_direction_output(MCFQSPI_CS1, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n");
+		goto fail2;
+	}
+
+	status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS2 failed\n");
+		goto fail2;
+	}
+	status = gpio_direction_output(MCFQSPI_CS2, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n");
+		goto fail3;
+	}
+
+	status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS3 failed\n");
+		goto fail3;
+	}
+	status = gpio_direction_output(MCFQSPI_CS3, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n");
+		goto fail4;
+	}
+
+	return 0;
+
+fail4:
+	gpio_free(MCFQSPI_CS3);
+fail3:
+	gpio_free(MCFQSPI_CS2);
+fail2:
+	gpio_free(MCFQSPI_CS1);
+fail1:
+	gpio_free(MCFQSPI_CS0);
+fail0:
+	return status;
+}
+
+static void m523x_cs_teardown(struct mcfqspi_cs_control *cs_control)
+{
+	gpio_free(MCFQSPI_CS3);
+	gpio_free(MCFQSPI_CS2);
+	gpio_free(MCFQSPI_CS1);
+	gpio_free(MCFQSPI_CS0);
+}
+
+static void m523x_cs_select(struct mcfqspi_cs_control *cs_control,
+			    u8 chip_select, bool cs_high)
+{
+	switch (chip_select) {
+	case 0:
+		gpio_set_value(MCFQSPI_CS0, cs_high);
+		break;
+	case 1:
+		gpio_set_value(MCFQSPI_CS1, cs_high);
+		break;
+	case 2:
+		gpio_set_value(MCFQSPI_CS2, cs_high);
+		break;
+	case 3:
+		gpio_set_value(MCFQSPI_CS3, cs_high);
+		break;
+	}
+}
+
+static void m523x_cs_deselect(struct mcfqspi_cs_control *cs_control,
+			      u8 chip_select, bool cs_high)
+{
+	switch (chip_select) {
+	case 0:
+		gpio_set_value(MCFQSPI_CS0, !cs_high);
+		break;
+	case 1:
+		gpio_set_value(MCFQSPI_CS1, !cs_high);
+		break;
+	case 2:
+		gpio_set_value(MCFQSPI_CS2, !cs_high);
+		break;
+	case 3:
+		gpio_set_value(MCFQSPI_CS3, !cs_high);
+		break;
+	}
+}
+
+static struct mcfqspi_cs_control m523x_cs_control = {
+	.setup                  = m523x_cs_setup,
+	.teardown               = m523x_cs_teardown,
+	.select                 = m523x_cs_select,
+	.deselect               = m523x_cs_deselect,
+};
+
+static struct mcfqspi_platform_data m523x_qspi_data = {
+	.bus_num		= 0,
+	.num_chipselect		= 4,
+	.cs_control		= &m523x_cs_control,
+};
+
+static struct platform_device m523x_qspi = {
+	.name			= "mcfqspi",
+	.id			= 0,
+	.num_resources		= ARRAY_SIZE(m523x_qspi_resources),
+	.resource		= m523x_qspi_resources,
+	.dev.platform_data	= &m523x_qspi_data,
+};
+
+static void __init m523x_qspi_init(void)
+{
+	u16 par;
+
+	/* setup QSPS pins for QSPI with gpio CS control */
+	writeb(0x1f, MCFGPIO_PAR_QSPI);
+	/* and CS2 & CS3 as gpio */
+	par = readw(MCFGPIO_PAR_TIMER);
+	par &= 0x3f3f;
+	writew(par, MCFGPIO_PAR_TIMER);
+}
+#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */
+
 static struct platform_device *m523x_devices[] __initdata = {
 	&m523x_uart,
 	&m523x_fec,
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	&m523x_qspi,
+#endif
 };
 
 /***************************************************************************/
@@ -114,6 +281,9 @@ void __init config_BSP(char *commandp, int size)
 static int __init init_BSP(void)
 {
 	m523x_fec_init();
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	m523x_qspi_init();
+#endif
 	platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices));
 	return 0;
 }
diff --git a/arch/m68knommu/platform/5249/config.c b/arch/m68knommu/platform/5249/config.c
index 646f5ba462f..72fc4ae0e66 100644
--- a/arch/m68knommu/platform/5249/config.c
+++ b/arch/m68knommu/platform/5249/config.c
@@ -12,10 +12,13 @@
 #include <linux/param.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
 #include <asm/mcfuart.h>
+#include <asm/mcfqspi.h>
 
 /***************************************************************************/
 
@@ -37,8 +40,169 @@ static struct platform_device m5249_uart = {
 	.dev.platform_data	= m5249_uart_platform,
 };
 
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+static struct resource m5249_qspi_resources[] = {
+	{
+		.start		= MCFQSPI_IOBASE,
+		.end		= MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= MCF_IRQ_QSPI,
+		.end		= MCF_IRQ_QSPI,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+#define MCFQSPI_CS0    29
+#define MCFQSPI_CS1    24
+#define MCFQSPI_CS2    21
+#define MCFQSPI_CS3    22
+
+static int m5249_cs_setup(struct mcfqspi_cs_control *cs_control)
+{
+	int status;
+
+	status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS0 failed\n");
+		goto fail0;
+	}
+	status = gpio_direction_output(MCFQSPI_CS0, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n");
+		goto fail1;
+	}
+
+	status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS1 failed\n");
+		goto fail1;
+	}
+	status = gpio_direction_output(MCFQSPI_CS1, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n");
+		goto fail2;
+	}
+
+	status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS2 failed\n");
+		goto fail2;
+	}
+	status = gpio_direction_output(MCFQSPI_CS2, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n");
+		goto fail3;
+	}
+
+	status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS3 failed\n");
+		goto fail3;
+	}
+	status = gpio_direction_output(MCFQSPI_CS3, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n");
+		goto fail4;
+	}
+
+	return 0;
+
+fail4:
+	gpio_free(MCFQSPI_CS3);
+fail3:
+	gpio_free(MCFQSPI_CS2);
+fail2:
+	gpio_free(MCFQSPI_CS1);
+fail1:
+	gpio_free(MCFQSPI_CS0);
+fail0:
+	return status;
+}
+
+static void m5249_cs_teardown(struct mcfqspi_cs_control *cs_control)
+{
+	gpio_free(MCFQSPI_CS3);
+	gpio_free(MCFQSPI_CS2);
+	gpio_free(MCFQSPI_CS1);
+	gpio_free(MCFQSPI_CS0);
+}
+
+static void m5249_cs_select(struct mcfqspi_cs_control *cs_control,
+			    u8 chip_select, bool cs_high)
+{
+	switch (chip_select) {
+	case 0:
+		gpio_set_value(MCFQSPI_CS0, cs_high);
+		break;
+	case 1:
+		gpio_set_value(MCFQSPI_CS1, cs_high);
+		break;
+	case 2:
+		gpio_set_value(MCFQSPI_CS2, cs_high);
+		break;
+	case 3:
+		gpio_set_value(MCFQSPI_CS3, cs_high);
+		break;
+	}
+}
+
+static void m5249_cs_deselect(struct mcfqspi_cs_control *cs_control,
+			      u8 chip_select, bool cs_high)
+{
+	switch (chip_select) {
+	case 0:
+		gpio_set_value(MCFQSPI_CS0, !cs_high);
+		break;
+	case 1:
+		gpio_set_value(MCFQSPI_CS1, !cs_high);
+		break;
+	case 2:
+		gpio_set_value(MCFQSPI_CS2, !cs_high);
+		break;
+	case 3:
+		gpio_set_value(MCFQSPI_CS3, !cs_high);
+		break;
+	}
+}
+
+static struct mcfqspi_cs_control m5249_cs_control = {
+	.setup                  = m5249_cs_setup,
+	.teardown               = m5249_cs_teardown,
+	.select                 = m5249_cs_select,
+	.deselect               = m5249_cs_deselect,
+};
+
+static struct mcfqspi_platform_data m5249_qspi_data = {
+	.bus_num		= 0,
+	.num_chipselect		= 4,
+	.cs_control		= &m5249_cs_control,
+};
+
+static struct platform_device m5249_qspi = {
+	.name			= "mcfqspi",
+	.id			= 0,
+	.num_resources		= ARRAY_SIZE(m5249_qspi_resources),
+	.resource		= m5249_qspi_resources,
+	.dev.platform_data	= &m5249_qspi_data,
+};
+
+static void __init m5249_qspi_init(void)
+{
+	/* QSPI irq setup */
+	writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI0,
+	       MCF_MBAR + MCFSIM_QSPIICR);
+	mcf_mapirq2imr(MCF_IRQ_QSPI, MCFINTC_QSPI);
+}
+#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */
+
+
 static struct platform_device *m5249_devices[] __initdata = {
 	&m5249_uart,
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	&m5249_qspi,
+#endif
 };
 
 /***************************************************************************/
@@ -100,6 +264,9 @@ void __init config_BSP(char *commandp, int size)
 	mach_reset = m5249_cpu_reset;
 	m5249_timers_init();
 	m5249_uarts_init();
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	m5249_qspi_init();
+#endif
 }
 
 /***************************************************************************/
diff --git a/arch/m68knommu/platform/527x/config.c b/arch/m68knommu/platform/527x/config.c
index fa51be17283..3d9c35c98b9 100644
--- a/arch/m68knommu/platform/527x/config.c
+++ b/arch/m68knommu/platform/527x/config.c
@@ -16,10 +16,13 @@
 #include <linux/param.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
 #include <asm/mcfuart.h>
+#include <asm/mcfqspi.h>
 
 /***************************************************************************/
 
@@ -106,12 +109,188 @@ static struct platform_device m527x_fec[] = {
 	},
 };
 
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+static struct resource m527x_qspi_resources[] = {
+	{
+		.start		= MCFQSPI_IOBASE,
+		.end		= MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= MCFINT_VECBASE + MCFINT_QSPI,
+		.end		= MCFINT_VECBASE + MCFINT_QSPI,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+#if defined(CONFIG_M5271)
+#define MCFQSPI_CS0    91
+#define MCFQSPI_CS1    92
+#define MCFQSPI_CS2    99
+#define MCFQSPI_CS3    103
+#elif defined(CONFIG_M5275)
+#define MCFQSPI_CS0    59
+#define MCFQSPI_CS1    60
+#define MCFQSPI_CS2    61
+#define MCFQSPI_CS3    62
+#endif
+
+static int m527x_cs_setup(struct mcfqspi_cs_control *cs_control)
+{
+	int status;
+
+	status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS0 failed\n");
+		goto fail0;
+	}
+	status = gpio_direction_output(MCFQSPI_CS0, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n");
+		goto fail1;
+	}
+
+	status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS1 failed\n");
+		goto fail1;
+	}
+	status = gpio_direction_output(MCFQSPI_CS1, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n");
+		goto fail2;
+	}
+
+	status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS2 failed\n");
+		goto fail2;
+	}
+	status = gpio_direction_output(MCFQSPI_CS2, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n");
+		goto fail3;
+	}
+
+	status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS3 failed\n");
+		goto fail3;
+	}
+	status = gpio_direction_output(MCFQSPI_CS3, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n");
+		goto fail4;
+	}
+
+	return 0;
+
+fail4:
+	gpio_free(MCFQSPI_CS3);
+fail3:
+	gpio_free(MCFQSPI_CS2);
+fail2:
+	gpio_free(MCFQSPI_CS1);
+fail1:
+	gpio_free(MCFQSPI_CS0);
+fail0:
+	return status;
+}
+
+static void m527x_cs_teardown(struct mcfqspi_cs_control *cs_control)
+{
+	gpio_free(MCFQSPI_CS3);
+	gpio_free(MCFQSPI_CS2);
+	gpio_free(MCFQSPI_CS1);
+	gpio_free(MCFQSPI_CS0);
+}
+
+static void m527x_cs_select(struct mcfqspi_cs_control *cs_control,
+			    u8 chip_select, bool cs_high)
+{
+	switch (chip_select) {
+	case 0:
+		gpio_set_value(MCFQSPI_CS0, cs_high);
+		break;
+	case 1:
+		gpio_set_value(MCFQSPI_CS1, cs_high);
+		break;
+	case 2:
+		gpio_set_value(MCFQSPI_CS2, cs_high);
+		break;
+	case 3:
+		gpio_set_value(MCFQSPI_CS3, cs_high);
+		break;
+	}
+}
+
+static void m527x_cs_deselect(struct mcfqspi_cs_control *cs_control,
+			      u8 chip_select, bool cs_high)
+{
+	switch (chip_select) {
+	case 0:
+		gpio_set_value(MCFQSPI_CS0, !cs_high);
+		break;
+	case 1:
+		gpio_set_value(MCFQSPI_CS1, !cs_high);
+		break;
+	case 2:
+		gpio_set_value(MCFQSPI_CS2, !cs_high);
+		break;
+	case 3:
+		gpio_set_value(MCFQSPI_CS3, !cs_high);
+		break;
+	}
+}
+
+static struct mcfqspi_cs_control m527x_cs_control = {
+	.setup                  = m527x_cs_setup,
+	.teardown               = m527x_cs_teardown,
+	.select                 = m527x_cs_select,
+	.deselect               = m527x_cs_deselect,
+};
+
+static struct mcfqspi_platform_data m527x_qspi_data = {
+	.bus_num		= 0,
+	.num_chipselect		= 4,
+	.cs_control		= &m527x_cs_control,
+};
+
+static struct platform_device m527x_qspi = {
+	.name			= "mcfqspi",
+	.id			= 0,
+	.num_resources		= ARRAY_SIZE(m527x_qspi_resources),
+	.resource		= m527x_qspi_resources,
+	.dev.platform_data	= &m527x_qspi_data,
+};
+
+static void __init m527x_qspi_init(void)
+{
+#if defined(CONFIG_M5271)
+	u16 par;
+
+	/* setup QSPS pins for QSPI with gpio CS control */
+	writeb(0x1f, MCFGPIO_PAR_QSPI);
+	/* and CS2 & CS3 as gpio */
+	par = readw(MCFGPIO_PAR_TIMER);
+	par &= 0x3f3f;
+	writew(par, MCFGPIO_PAR_TIMER);
+#elif defined(CONFIG_M5275)
+	/* setup QSPS pins for QSPI with gpio CS control */
+	writew(0x003e, MCFGPIO_PAR_QSPI);
+#endif
+}
+#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */
+
 static struct platform_device *m527x_devices[] __initdata = {
 	&m527x_uart,
 	&m527x_fec[0],
 #ifdef CONFIG_FEC2
 	&m527x_fec[1],
 #endif
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	&m527x_qspi,
+#endif
 };
 
 /***************************************************************************/
@@ -187,6 +366,9 @@ void __init config_BSP(char *commandp, int size)
 	mach_reset = m527x_cpu_reset;
 	m527x_uarts_init();
 	m527x_fec_init();
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	m527x_qspi_init();
+#endif
 }
 
 /***************************************************************************/
diff --git a/arch/m68knommu/platform/528x/config.c b/arch/m68knommu/platform/528x/config.c
index 6e608d1836f..76b743343bf 100644
--- a/arch/m68knommu/platform/528x/config.c
+++ b/arch/m68knommu/platform/528x/config.c
@@ -17,10 +17,13 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
 #include <asm/mcfuart.h>
+#include <asm/mcfqspi.h>
 
 /***************************************************************************/
 
@@ -76,10 +79,141 @@ static struct platform_device m528x_fec = {
 	.resource		= m528x_fec_resources,
 };
 
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+static struct resource m528x_qspi_resources[] = {
+	{
+		.start		= MCFQSPI_IOBASE,
+		.end		= MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= MCFINT_VECBASE + MCFINT_QSPI,
+		.end		= MCFINT_VECBASE + MCFINT_QSPI,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+#define MCFQSPI_CS0    147
+#define MCFQSPI_CS1    148
+#define MCFQSPI_CS2    149
+#define MCFQSPI_CS3    150
+
+static int m528x_cs_setup(struct mcfqspi_cs_control *cs_control)
+{
+	int status;
+
+	status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS0 failed\n");
+		goto fail0;
+	}
+	status = gpio_direction_output(MCFQSPI_CS0, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n");
+		goto fail1;
+	}
+
+	status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS1 failed\n");
+		goto fail1;
+	}
+	status = gpio_direction_output(MCFQSPI_CS1, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n");
+		goto fail2;
+	}
+
+	status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS2 failed\n");
+		goto fail2;
+	}
+	status = gpio_direction_output(MCFQSPI_CS2, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n");
+		goto fail3;
+	}
+
+	status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS3 failed\n");
+		goto fail3;
+	}
+	status = gpio_direction_output(MCFQSPI_CS3, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n");
+		goto fail4;
+	}
+
+	return 0;
+
+fail4:
+	gpio_free(MCFQSPI_CS3);
+fail3:
+	gpio_free(MCFQSPI_CS2);
+fail2:
+	gpio_free(MCFQSPI_CS1);
+fail1:
+	gpio_free(MCFQSPI_CS0);
+fail0:
+	return status;
+}
+
+static void m528x_cs_teardown(struct mcfqspi_cs_control *cs_control)
+{
+	gpio_free(MCFQSPI_CS3);
+	gpio_free(MCFQSPI_CS2);
+	gpio_free(MCFQSPI_CS1);
+	gpio_free(MCFQSPI_CS0);
+}
+
+static void m528x_cs_select(struct mcfqspi_cs_control *cs_control,
+			    u8 chip_select, bool cs_high)
+{
+	gpio_set_value(MCFQSPI_CS0 + chip_select, cs_high);
+}
+
+static void m528x_cs_deselect(struct mcfqspi_cs_control *cs_control,
+			      u8 chip_select, bool cs_high)
+{
+	gpio_set_value(MCFQSPI_CS0 + chip_select, !cs_high);
+}
+
+static struct mcfqspi_cs_control m528x_cs_control = {
+	.setup                  = m528x_cs_setup,
+	.teardown               = m528x_cs_teardown,
+	.select                 = m528x_cs_select,
+	.deselect               = m528x_cs_deselect,
+};
+
+static struct mcfqspi_platform_data m528x_qspi_data = {
+	.bus_num		= 0,
+	.num_chipselect		= 4,
+	.cs_control		= &m528x_cs_control,
+};
+
+static struct platform_device m528x_qspi = {
+	.name			= "mcfqspi",
+	.id			= 0,
+	.num_resources		= ARRAY_SIZE(m528x_qspi_resources),
+	.resource		= m528x_qspi_resources,
+	.dev.platform_data	= &m528x_qspi_data,
+};
+
+static void __init m528x_qspi_init(void)
+{
+	/* setup Port QS for QSPI with gpio CS control */
+	__raw_writeb(0x07, MCFGPIO_PQSPAR);
+}
+#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */
 
 static struct platform_device *m528x_devices[] __initdata = {
 	&m528x_uart,
 	&m528x_fec,
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	&m528x_qspi,
+#endif
 };
 
 /***************************************************************************/
@@ -174,6 +308,9 @@ static int __init init_BSP(void)
 	mach_reset = m528x_cpu_reset;
 	m528x_uarts_init();
 	m528x_fec_init();
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	m528x_qspi_init();
+#endif
 	platform_add_devices(m528x_devices, ARRAY_SIZE(m528x_devices));
 	return 0;
 }
diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c
index d632948e64e..ca51323f957 100644
--- a/arch/m68knommu/platform/532x/config.c
+++ b/arch/m68knommu/platform/532x/config.c
@@ -21,12 +21,15 @@
 #include <linux/param.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
 #include <asm/mcfuart.h>
 #include <asm/mcfdma.h>
 #include <asm/mcfwdebug.h>
+#include <asm/mcfqspi.h>
 
 /***************************************************************************/
 
@@ -82,9 +85,127 @@ static struct platform_device m532x_fec = {
 	.resource		= m532x_fec_resources,
 };
 
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+static struct resource m532x_qspi_resources[] = {
+	{
+		.start		= MCFQSPI_IOBASE,
+		.end		= MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= MCFINT_VECBASE + MCFINT_QSPI,
+		.end		= MCFINT_VECBASE + MCFINT_QSPI,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+#define MCFQSPI_CS0    84
+#define MCFQSPI_CS1    85
+#define MCFQSPI_CS2    86
+
+static int m532x_cs_setup(struct mcfqspi_cs_control *cs_control)
+{
+	int status;
+
+	status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS0 failed\n");
+		goto fail0;
+	}
+	status = gpio_direction_output(MCFQSPI_CS0, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n");
+		goto fail1;
+	}
+
+	status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS1 failed\n");
+		goto fail1;
+	}
+	status = gpio_direction_output(MCFQSPI_CS1, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n");
+		goto fail2;
+	}
+
+	status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2");
+	if (status) {
+		pr_debug("gpio_request for MCFQSPI_CS2 failed\n");
+		goto fail2;
+	}
+	status = gpio_direction_output(MCFQSPI_CS2, 1);
+	if (status) {
+		pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n");
+		goto fail3;
+	}
+
+	return 0;
+
+fail3:
+	gpio_free(MCFQSPI_CS2);
+fail2:
+	gpio_free(MCFQSPI_CS1);
+fail1:
+	gpio_free(MCFQSPI_CS0);
+fail0:
+	return status;
+}
+
+static void m532x_cs_teardown(struct mcfqspi_cs_control *cs_control)
+{
+	gpio_free(MCFQSPI_CS2);
+	gpio_free(MCFQSPI_CS1);
+	gpio_free(MCFQSPI_CS0);
+}
+
+static void m532x_cs_select(struct mcfqspi_cs_control *cs_control,
+			    u8 chip_select, bool cs_high)
+{
+	gpio_set_value(MCFQSPI_CS0 + chip_select, cs_high);
+}
+
+static void m532x_cs_deselect(struct mcfqspi_cs_control *cs_control,
+			      u8 chip_select, bool cs_high)
+{
+	gpio_set_value(MCFQSPI_CS0 + chip_select, !cs_high);
+}
+
+static struct mcfqspi_cs_control m532x_cs_control = {
+	.setup                  = m532x_cs_setup,
+	.teardown               = m532x_cs_teardown,
+	.select                 = m532x_cs_select,
+	.deselect               = m532x_cs_deselect,
+};
+
+static struct mcfqspi_platform_data m532x_qspi_data = {
+	.bus_num		= 0,
+	.num_chipselect		= 3,
+	.cs_control		= &m532x_cs_control,
+};
+
+static struct platform_device m532x_qspi = {
+	.name			= "mcfqspi",
+	.id			= 0,
+	.num_resources		= ARRAY_SIZE(m532x_qspi_resources),
+	.resource		= m532x_qspi_resources,
+	.dev.platform_data	= &m532x_qspi_data,
+};
+
+static void __init m532x_qspi_init(void)
+{
+	/* setup QSPS pins for QSPI with gpio CS control */
+	writew(0x01f0, MCF_GPIO_PAR_QSPI);
+}
+#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */
+
+
 static struct platform_device *m532x_devices[] __initdata = {
 	&m532x_uart,
 	&m532x_fec,
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	&m532x_qspi,
+#endif
 };
 
 /***************************************************************************/
@@ -158,6 +279,9 @@ static int __init init_BSP(void)
 {
 	m532x_uarts_init();
 	m532x_fec_init();
+#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
+	m532x_qspi_init();
+#endif
 	platform_add_devices(m532x_devices, ARRAY_SIZE(m532x_devices));
 	return 0;
 }

From 12e9b892002d9af057655d35b44db8ee9243b0dc Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Sun, 16 May 2010 22:00:00 -0400
Subject: [PATCH 1520/3638] ext4: Use bitops to read/modify i_flags in struct
 ext4_inode_info

At several places we modify EXT4_I(inode)->i_flags without holding
i_mutex (ext4_do_update_inode, ...). These modifications are racy and
we can lose updates to i_flags. So convert handling of i_flags to use
bitops which are atomic.

https://bugzilla.kernel.org/show_bug.cgi?id=15792

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/dir.c         |   4 +-
 fs/ext4/ext4.h        | 109 ++++++++++++++++++++++++++++++++++++------
 fs/ext4/ext4_jbd2.h   |   8 ++--
 fs/ext4/extents.c     |  10 ++--
 fs/ext4/file.c        |   2 +-
 fs/ext4/ialloc.c      |   4 +-
 fs/ext4/inode.c       |  30 ++++++------
 fs/ext4/mballoc.c     |   4 +-
 fs/ext4/migrate.c     |   2 +-
 fs/ext4/move_extent.c |   4 +-
 fs/ext4/namei.c       |  10 ++--
 fs/ext4/super.c       |   1 +
 fs/ext4/xattr.c       |   4 +-
 13 files changed, 136 insertions(+), 56 deletions(-)

diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 6a2b8bcff64..ea5e6cb7e2a 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -110,7 +110,7 @@ static int ext4_readdir(struct file *filp,
 
 	if (EXT4_HAS_COMPAT_FEATURE(inode->i_sb,
 				    EXT4_FEATURE_COMPAT_DIR_INDEX) &&
-	    ((EXT4_I(inode)->i_flags & EXT4_INDEX_FL) ||
+	    ((ext4_test_inode_flag(inode, EXT4_INODE_INDEX)) ||
 	     ((inode->i_size >> sb->s_blocksize_bits) == 1))) {
 		err = ext4_dx_readdir(filp, dirent, filldir);
 		if (err != ERR_BAD_DX_DIR) {
@@ -121,7 +121,7 @@ static int ext4_readdir(struct file *filp,
 		 * We don't set the inode dirty flag since it's not
 		 * critical that it get flushed back to the disk.
 		 */
-		EXT4_I(filp->f_path.dentry->d_inode)->i_flags &= ~EXT4_INDEX_FL;
+		ext4_clear_inode_flag(filp->f_path.dentry->d_inode, EXT4_INODE_INDEX);
 	}
 	stored = 0;
 	offset = filp->f_pos & (sb->s_blocksize - 1);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 413321ff1e2..74414884580 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -344,6 +344,83 @@ static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags)
 		return flags & EXT4_OTHER_FLMASK;
 }
 
+/*
+ * Inode flags used for atomic set/get
+ */
+enum {
+	EXT4_INODE_SECRM	= 0,	/* Secure deletion */
+	EXT4_INODE_UNRM		= 1,	/* Undelete */
+	EXT4_INODE_COMPR	= 2,	/* Compress file */
+	EXT4_INODE_SYNC		= 3,	/* Synchronous updates */
+	EXT4_INODE_IMMUTABLE	= 4,	/* Immutable file */
+	EXT4_INODE_APPEND	= 5,	/* writes to file may only append */
+	EXT4_INODE_NODUMP	= 6,	/* do not dump file */
+	EXT4_INODE_NOATIME	= 7,	/* do not update atime */
+/* Reserved for compression usage... */
+	EXT4_INODE_DIRTY	= 8,
+	EXT4_INODE_COMPRBLK	= 9,	/* One or more compressed clusters */
+	EXT4_INODE_NOCOMPR	= 10,	/* Don't compress */
+	EXT4_INODE_ECOMPR	= 11,	/* Compression error */
+/* End compression flags --- maybe not all used */
+	EXT4_INODE_INDEX	= 12,	/* hash-indexed directory */
+	EXT4_INODE_IMAGIC	= 13,	/* AFS directory */
+	EXT4_INODE_JOURNAL_DATA	= 14,	/* file data should be journaled */
+	EXT4_INODE_NOTAIL	= 15,	/* file tail should not be merged */
+	EXT4_INODE_DIRSYNC	= 16,	/* dirsync behaviour (directories only) */
+	EXT4_INODE_TOPDIR	= 17,	/* Top of directory hierarchies*/
+	EXT4_INODE_HUGE_FILE	= 18,	/* Set to each huge file */
+	EXT4_INODE_EXTENTS	= 19,	/* Inode uses extents */
+	EXT4_INODE_EA_INODE	= 21,	/* Inode used for large EA */
+	EXT4_INODE_EOFBLOCKS	= 22,	/* Blocks allocated beyond EOF */
+	EXT4_INODE_RESERVED	= 31,	/* reserved for ext4 lib */
+};
+
+#define TEST_FLAG_VALUE(FLAG) (EXT4_##FLAG##_FL == (1 << EXT4_INODE_##FLAG))
+#define CHECK_FLAG_VALUE(FLAG) if (!TEST_FLAG_VALUE(FLAG)) { \
+	printk(KERN_EMERG "EXT4 flag fail: " #FLAG ": %d %d\n", \
+		EXT4_##FLAG##_FL, EXT4_INODE_##FLAG); BUG_ON(1); }
+
+/*
+ * Since it's pretty easy to mix up bit numbers and hex values, and we
+ * can't do a compile-time test for ENUM values, we use a run-time
+ * test to make sure that EXT4_XXX_FL is consistent with respect to
+ * EXT4_INODE_XXX.  If all is well the printk and BUG_ON will all drop
+ * out so it won't cost any extra space in the compiled kernel image.
+ * But it's important that these values are the same, since we are
+ * using EXT4_INODE_XXX to test for the flag values, but EXT4_XX_FL
+ * must be consistent with the values of FS_XXX_FL defined in
+ * include/linux/fs.h and the on-disk values found in ext2, ext3, and
+ * ext4 filesystems, and of course the values defined in e2fsprogs.
+ *
+ * It's not paranoia if the Murphy's Law really *is* out to get you.  :-)
+ */
+static inline void ext4_check_flag_values(void)
+{
+	CHECK_FLAG_VALUE(SECRM);
+	CHECK_FLAG_VALUE(UNRM);
+	CHECK_FLAG_VALUE(COMPR);
+	CHECK_FLAG_VALUE(SYNC);
+	CHECK_FLAG_VALUE(IMMUTABLE);
+	CHECK_FLAG_VALUE(APPEND);
+	CHECK_FLAG_VALUE(NODUMP);
+	CHECK_FLAG_VALUE(NOATIME);
+	CHECK_FLAG_VALUE(DIRTY);
+	CHECK_FLAG_VALUE(COMPRBLK);
+	CHECK_FLAG_VALUE(NOCOMPR);
+	CHECK_FLAG_VALUE(ECOMPR);
+	CHECK_FLAG_VALUE(INDEX);
+	CHECK_FLAG_VALUE(IMAGIC);
+	CHECK_FLAG_VALUE(JOURNAL_DATA);
+	CHECK_FLAG_VALUE(NOTAIL);
+	CHECK_FLAG_VALUE(DIRSYNC);
+	CHECK_FLAG_VALUE(TOPDIR);
+	CHECK_FLAG_VALUE(HUGE_FILE);
+	CHECK_FLAG_VALUE(EXTENTS);
+	CHECK_FLAG_VALUE(EA_INODE);
+	CHECK_FLAG_VALUE(EOFBLOCKS);
+	CHECK_FLAG_VALUE(RESERVED);
+}
+
 /* Used to pass group descriptor data when online resize is done */
 struct ext4_new_group_input {
 	__u32 group;		/* Group number for this data */
@@ -639,9 +716,8 @@ struct ext4_ext_cache {
  */
 struct ext4_inode_info {
 	__le32	i_data[15];	/* unconverted */
-	__u32	i_flags;
-	ext4_fsblk_t	i_file_acl;
 	__u32	i_dtime;
+	ext4_fsblk_t	i_file_acl;
 
 	/*
 	 * i_block_group is the number of the block group which contains
@@ -652,6 +728,7 @@ struct ext4_inode_info {
 	 */
 	ext4_group_t	i_block_group;
 	unsigned long	i_state_flags;		/* Dynamic state flags */
+	unsigned long	i_flags;
 
 	ext4_lblk_t		i_dir_start_lookup;
 #ifdef CONFIG_EXT4_FS_XATTR
@@ -1087,20 +1164,22 @@ enum {
 	EXT4_STATE_DIO_UNWRITTEN,	/* need convert on dio done*/
 };
 
-static inline int ext4_test_inode_state(struct inode *inode, int bit)
-{
-	return test_bit(bit, &EXT4_I(inode)->i_state_flags);
+#define EXT4_INODE_BIT_FNS(name, field)					\
+static inline int ext4_test_inode_##name(struct inode *inode, int bit)	\
+{									\
+	return test_bit(bit, &EXT4_I(inode)->i_##field);		\
+}									\
+static inline void ext4_set_inode_##name(struct inode *inode, int bit)	\
+{									\
+	set_bit(bit, &EXT4_I(inode)->i_##field);			\
+}									\
+static inline void ext4_clear_inode_##name(struct inode *inode, int bit) \
+{									\
+	clear_bit(bit, &EXT4_I(inode)->i_##field);			\
 }
 
-static inline void ext4_set_inode_state(struct inode *inode, int bit)
-{
-	set_bit(bit, &EXT4_I(inode)->i_state_flags);
-}
-
-static inline void ext4_clear_inode_state(struct inode *inode, int bit)
-{
-	clear_bit(bit, &EXT4_I(inode)->i_state_flags);
-}
+EXT4_INODE_BIT_FNS(flag, flags)
+EXT4_INODE_BIT_FNS(state, state_flags)
 #else
 /* Assume that user mode programs are passing in an ext4fs superblock, not
  * a kernel struct super_block.  This will allow us to call the feature-test
@@ -1287,7 +1366,7 @@ struct ext4_dir_entry_2 {
 
 #define is_dx(dir) (EXT4_HAS_COMPAT_FEATURE(dir->i_sb, \
 				      EXT4_FEATURE_COMPAT_DIR_INDEX) && \
-		      (EXT4_I(dir)->i_flags & EXT4_INDEX_FL))
+		    ext4_test_inode_flag((dir), EXT4_INODE_INDEX))
 #define EXT4_DIR_LINK_MAX(dir) (!is_dx(dir) && (dir)->i_nlink >= EXT4_LINK_MAX)
 #define EXT4_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2 || (dir)->i_nlink == 1)
 
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index b79ad512646..dade0c02479 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -273,7 +273,7 @@ static inline int ext4_should_journal_data(struct inode *inode)
 		return 1;
 	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
 		return 1;
-	if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL)
+	if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA))
 		return 1;
 	return 0;
 }
@@ -284,7 +284,7 @@ static inline int ext4_should_order_data(struct inode *inode)
 		return 0;
 	if (!S_ISREG(inode->i_mode))
 		return 0;
-	if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL)
+	if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA))
 		return 0;
 	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
 		return 1;
@@ -297,7 +297,7 @@ static inline int ext4_should_writeback_data(struct inode *inode)
 		return 0;
 	if (EXT4_JOURNAL(inode) == NULL)
 		return 1;
-	if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL)
+	if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA))
 		return 0;
 	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
 		return 1;
@@ -321,7 +321,7 @@ static inline int ext4_should_dioread_nolock(struct inode *inode)
 		return 0;
 	if (!S_ISREG(inode->i_mode))
 		return 0;
-	if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+	if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 		return 0;
 	if (ext4_should_journal_data(inode))
 		return 0;
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 91c3873970e..42d8ce91adb 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3498,7 +3498,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 			map->m_flags |= EXT4_MAP_UNINIT;
 	}
 
-	if (unlikely(EXT4_I(inode)->i_flags & EXT4_EOFBLOCKS_FL)) {
+	if (unlikely(ext4_test_inode_flag(inode, EXT4_INODE_EOFBLOCKS))) {
 		if (unlikely(!eh->eh_entries)) {
 			EXT4_ERROR_INODE(inode,
 					 "eh->eh_entries == 0 ee_block %d",
@@ -3509,7 +3509,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 		last_ex = EXT_LAST_EXTENT(eh);
 		if (map->m_lblk + ar.len > le32_to_cpu(last_ex->ee_block)
 		    + ext4_ext_get_actual_len(last_ex))
-			EXT4_I(inode)->i_flags &= ~EXT4_EOFBLOCKS_FL;
+			ext4_clear_inode_flag(inode, EXT4_INODE_EOFBLOCKS);
 	}
 	err = ext4_ext_insert_extent(handle, inode, path, &newex, flags);
 	if (err) {
@@ -3650,7 +3650,7 @@ static void ext4_falloc_update_inode(struct inode *inode,
 		 * can proceed even if the new size is the same as i_size.
 		 */
 		if (new_size > i_size_read(inode))
-			EXT4_I(inode)->i_flags |= EXT4_EOFBLOCKS_FL;
+			ext4_set_inode_flag(inode, EXT4_INODE_EOFBLOCKS);
 	}
 
 }
@@ -3677,7 +3677,7 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
 	 * currently supporting (pre)allocate mode for extent-based
 	 * files _only_
 	 */
-	if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+	if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 		return -EOPNOTSUPP;
 
 	/* preallocation to directories is currently not supported */
@@ -3922,7 +3922,7 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	int error = 0;
 
 	/* fallback to generic here if not in extents fmt */
-	if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+	if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 		return generic_block_fiemap(inode, fieinfo, start, len,
 			ext4_get_block);
 
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index d0776e410f3..5313ae4cda2 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -66,7 +66,7 @@ ext4_file_write(struct kiocb *iocb, const struct iovec *iov,
 	 * is smaller than s_maxbytes, which is for extent-mapped files.
 	 */
 
-	if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL)) {
+	if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) {
 		struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 		size_t length = iov_length(iov, nr_segs);
 
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 52618d5a177..7f6b5826d5a 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -492,7 +492,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent,
 
 	if (S_ISDIR(mode) &&
 	    ((parent == sb->s_root->d_inode) ||
-	     (EXT4_I(parent)->i_flags & EXT4_TOPDIR_FL))) {
+	     (ext4_test_inode_flag(parent, EXT4_INODE_TOPDIR)))) {
 		int best_ndir = inodes_per_group;
 		int ret = -1;
 
@@ -1038,7 +1038,7 @@ got:
 	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
 		/* set extent flag only for directory, file and normal symlink*/
 		if (S_ISDIR(mode) || S_ISREG(mode) || S_ISLNK(mode)) {
-			EXT4_I(inode)->i_flags |= EXT4_EXTENTS_FL;
+			ext4_set_inode_flag(inode, EXT4_INODE_EXTENTS);
 			ext4_ext_tree_init(handle, inode);
 		}
 	}
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 3b687725758..c2b0724e8ad 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -931,7 +931,7 @@ static int ext4_ind_map_blocks(handle_t *handle, struct inode *inode,
 	int count = 0;
 	ext4_fsblk_t first_block = 0;
 
-	J_ASSERT(!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL));
+	J_ASSERT(!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)));
 	J_ASSERT(handle != NULL || (flags & EXT4_GET_BLOCKS_CREATE) == 0);
 	depth = ext4_block_to_path(inode, map->m_lblk, offsets,
 				   &blocks_to_boundary);
@@ -1059,7 +1059,7 @@ static int ext4_indirect_calc_metadata_amount(struct inode *inode,
  */
 static int ext4_calc_metadata_amount(struct inode *inode, sector_t lblock)
 {
-	if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL)
+	if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
 		return ext4_ext_calc_metadata_amount(inode, lblock);
 
 	return ext4_indirect_calc_metadata_amount(inode, lblock);
@@ -1236,7 +1236,7 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
 	 * file system block.
 	 */
 	down_read((&EXT4_I(inode)->i_data_sem));
-	if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
+	if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
 		retval = ext4_ext_map_blocks(handle, inode, map, 0);
 	} else {
 		retval = ext4_ind_map_blocks(handle, inode, map, 0);
@@ -1295,7 +1295,7 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
 	 * We need to check for EXT4 here because migrate
 	 * could have changed the inode type in between
 	 */
-	if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
+	if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
 		retval = ext4_ext_map_blocks(handle, inode, map, flags);
 	} else {
 		retval = ext4_ind_map_blocks(handle, inode, map, flags);
@@ -2325,7 +2325,7 @@ static void mpage_add_bh_to_extent(struct mpage_da_data *mpd,
 		goto flush_it;
 
 	/* check if thereserved journal credits might overflow */
-	if (!(EXT4_I(mpd->inode)->i_flags & EXT4_EXTENTS_FL)) {
+	if (!(ext4_test_inode_flag(mpd->inode, EXT4_INODE_EXTENTS))) {
 		if (nrblocks >= EXT4_MAX_TRANS_DATA) {
 			/*
 			 * With non-extent format we are limited by the journal
@@ -2779,7 +2779,7 @@ static int ext4_da_writepages_trans_blocks(struct inode *inode)
 	 * number of contiguous block. So we will limit
 	 * number of contiguous block to a sane value
 	 */
-	if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) &&
+	if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) &&
 	    (max_blocks > EXT4_MAX_TRANS_DATA))
 		max_blocks = EXT4_MAX_TRANS_DATA;
 
@@ -3995,7 +3995,7 @@ static ssize_t ext4_direct_IO(int rw, struct kiocb *iocb,
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = file->f_mapping->host;
 
-	if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL)
+	if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
 		return ext4_ext_direct_IO(rw, iocb, iov, offset, nr_segs);
 
 	return ext4_ind_direct_IO(rw, iocb, iov, offset, nr_segs);
@@ -4631,12 +4631,12 @@ void ext4_truncate(struct inode *inode)
 	if (!ext4_can_truncate(inode))
 		return;
 
-	EXT4_I(inode)->i_flags &= ~EXT4_EOFBLOCKS_FL;
+	ext4_clear_inode_flag(inode, EXT4_INODE_EOFBLOCKS);
 
 	if (inode->i_size == 0 && !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC))
 		ext4_set_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE);
 
-	if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
+	if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
 		ext4_ext_truncate(inode);
 		return;
 	}
@@ -5473,7 +5473,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 	}
 
 	if (attr->ia_valid & ATTR_SIZE) {
-		if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL)) {
+		if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) {
 			struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 
 			if (attr->ia_size > sbi->s_bitmap_maxbytes) {
@@ -5486,7 +5486,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 	if (S_ISREG(inode->i_mode) &&
 	    attr->ia_valid & ATTR_SIZE &&
 	    (attr->ia_size < inode->i_size ||
-	     (EXT4_I(inode)->i_flags & EXT4_EOFBLOCKS_FL))) {
+	     (ext4_test_inode_flag(inode, EXT4_INODE_EOFBLOCKS)))) {
 		handle_t *handle;
 
 		handle = ext4_journal_start(inode, 3);
@@ -5518,7 +5518,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 			}
 		}
 		/* ext4_truncate will clear the flag */
-		if ((EXT4_I(inode)->i_flags & EXT4_EOFBLOCKS_FL))
+		if ((ext4_test_inode_flag(inode, EXT4_INODE_EOFBLOCKS)))
 			ext4_truncate(inode);
 	}
 
@@ -5594,7 +5594,7 @@ static int ext4_indirect_trans_blocks(struct inode *inode, int nrblocks,
 
 static int ext4_index_trans_blocks(struct inode *inode, int nrblocks, int chunk)
 {
-	if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+	if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 		return ext4_indirect_trans_blocks(inode, nrblocks, chunk);
 	return ext4_ext_index_trans_blocks(inode, nrblocks, chunk);
 }
@@ -5929,9 +5929,9 @@ int ext4_change_inode_journal_flag(struct inode *inode, int val)
 	 */
 
 	if (val)
-		EXT4_I(inode)->i_flags |= EXT4_JOURNAL_DATA_FL;
+		ext4_set_inode_flag(inode, EXT4_INODE_JOURNAL_DATA);
 	else
-		EXT4_I(inode)->i_flags &= ~EXT4_JOURNAL_DATA_FL;
+		ext4_clear_inode_flag(inode, EXT4_INODE_JOURNAL_DATA);
 	ext4_set_aops(inode);
 
 	jbd2_journal_unlock_updates(journal);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e5dcdc9bd56..0bdc0188e5e 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2006,7 +2006,7 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
 	sbi = EXT4_SB(sb);
 	ngroups = ext4_get_groups_count(sb);
 	/* non-extent files are limited to low blocks/groups */
-	if (!(EXT4_I(ac->ac_inode)->i_flags & EXT4_EXTENTS_FL))
+	if (!(ext4_test_inode_flag(ac->ac_inode, EXT4_INODE_EXTENTS)))
 		ngroups = sbi->s_blockfile_groups;
 
 	BUG_ON(ac->ac_status == AC_STATUS_FOUND);
@@ -3171,7 +3171,7 @@ ext4_mb_use_preallocated(struct ext4_allocation_context *ac)
 			continue;
 
 		/* non-extent files can't have physical blocks past 2^32 */
-		if (!(EXT4_I(ac->ac_inode)->i_flags & EXT4_EXTENTS_FL) &&
+		if (!(ext4_test_inode_flag(ac->ac_inode, EXT4_INODE_EXTENTS)) &&
 			pa->pa_pstart + pa->pa_len > EXT4_MAX_BLOCK_FILE_PHYS)
 			continue;
 
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index 34dcfc52ef4..6f3a27ec30b 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -475,7 +475,7 @@ int ext4_ext_migrate(struct inode *inode)
 	 */
 	if (!EXT4_HAS_INCOMPAT_FEATURE(inode->i_sb,
 				       EXT4_FEATURE_INCOMPAT_EXTENTS) ||
-	    (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+	    (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 		return -EINVAL;
 
 	if (S_ISLNK(inode->i_mode) && inode->i_blocks == 0)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index b8b8ea1ceda..3a6c92ac131 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -977,11 +977,11 @@ mext_check_arguments(struct inode *orig_inode,
 	}
 
 	/* Ext4 move extent supports only extent based file */
-	if (!(EXT4_I(orig_inode)->i_flags & EXT4_EXTENTS_FL)) {
+	if (!(ext4_test_inode_flag(orig_inode, EXT4_INODE_EXTENTS))) {
 		ext4_debug("ext4 move extent: orig file is not extents "
 			"based file [ino:orig %lu]\n", orig_inode->i_ino);
 		return -EOPNOTSUPP;
-	} else if (!(EXT4_I(donor_inode)->i_flags & EXT4_EXTENTS_FL)) {
+	} else if (!(ext4_test_inode_flag(donor_inode, EXT4_INODE_EXTENTS))) {
 		ext4_debug("ext4 move extent: donor file is not extents "
 			"based file [ino:donor %lu]\n", donor_inode->i_ino);
 		return -EOPNOTSUPP;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index bff77b04f0d..7b4bf8feae4 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -656,7 +656,7 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
 	dxtrace(printk(KERN_DEBUG "In htree_fill_tree, start hash: %x:%x\n", 
 		       start_hash, start_minor_hash));
 	dir = dir_file->f_path.dentry->d_inode;
-	if (!(EXT4_I(dir)->i_flags & EXT4_INDEX_FL)) {
+	if (!(ext4_test_inode_flag(dir, EXT4_INODE_INDEX))) {
 		hinfo.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
 		if (hinfo.hash_version <= DX_HASH_TEA)
 			hinfo.hash_version +=
@@ -801,7 +801,7 @@ static void ext4_update_dx_flag(struct inode *inode)
 {
 	if (!EXT4_HAS_COMPAT_FEATURE(inode->i_sb,
 				     EXT4_FEATURE_COMPAT_DIR_INDEX))
-		EXT4_I(inode)->i_flags &= ~EXT4_INDEX_FL;
+		ext4_clear_inode_flag(inode, EXT4_INODE_INDEX);
 }
 
 /*
@@ -1416,7 +1416,7 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry,
 		brelse(bh);
 		return retval;
 	}
-	EXT4_I(dir)->i_flags |= EXT4_INDEX_FL;
+	ext4_set_inode_flag(dir, EXT4_INODE_INDEX);
 	data1 = bh2->b_data;
 
 	memcpy (data1, de, len);
@@ -1489,7 +1489,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
 		retval = ext4_dx_add_entry(handle, dentry, inode);
 		if (!retval || (retval != ERR_BAD_DX_DIR))
 			return retval;
-		EXT4_I(dir)->i_flags &= ~EXT4_INDEX_FL;
+		ext4_clear_inode_flag(dir, EXT4_INODE_INDEX);
 		dx_fallback++;
 		ext4_mark_inode_dirty(handle, dir);
 	}
@@ -2294,7 +2294,7 @@ retry:
 		}
 	} else {
 		/* clear the extent format for fast symlink */
-		EXT4_I(inode)->i_flags &= ~EXT4_EXTENTS_FL;
+		ext4_clear_inode_flag(inode, EXT4_INODE_EXTENTS);
 		inode->i_op = &ext4_fast_symlink_inode_operations;
 		memcpy((char *)&EXT4_I(inode)->i_data, symname, l);
 		inode->i_size = l-1;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 2e8790e801f..9766b2ae6cd 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4148,6 +4148,7 @@ static int __init init_ext4_fs(void)
 {
 	int err;
 
+	ext4_check_flag_values();
 	err = init_ext4_system_zone();
 	if (err)
 		return err;
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 0a09a2e96f0..47431bc662a 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -818,7 +818,7 @@ inserted:
 						EXT4_I(inode)->i_block_group);
 
 			/* non-extent files can't have physical blocks past 2^32 */
-			if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+			if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 				goal = goal & EXT4_MAX_BLOCK_FILE_PHYS;
 
 			block = ext4_new_meta_blocks(handle, inode,
@@ -826,7 +826,7 @@ inserted:
 			if (error)
 				goto cleanup;
 
-			if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+			if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 				BUG_ON(block > EXT4_MAX_BLOCK_FILE_PHYS);
 
 			ea_idebug(inode, "creating block %d", block);

From b3667f9177359b0594e4f2cd5cc01115f8c7e2af Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Fri, 7 May 2010 15:18:13 -0700
Subject: [PATCH 1521/3638] [SCSI] libfc: set seq_id for incoming sequence

After the recent patch "fixes unnecessary seq id jump"
the SCST module fcst stopped working because multi-sequence
write data wasn't finding the sequence after the first frame.

Add back the setting of the seq_id when the first frame arrives.
Also fix indentation on two lines.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_exch.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index daff880e426..6addbd6e41e 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -918,6 +918,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
 	if (fc_sof_is_init(fr_sof(fp))) {
 		sp = &ep->seq;
 		sp->ssb_stat |= SSB_ST_RESP;
+		sp->id = fh->fh_seq_id;
 	} else {
 		sp = &ep->seq;
 		if (sp->id != fh->fh_seq_id) {
@@ -1322,11 +1323,12 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
 	}
 	sof = fr_sof(fp);
 	sp = &ep->seq;
-	if (fc_sof_is_init(sof))
+	if (fc_sof_is_init(sof)) {
 		sp->ssb_stat |= SSB_ST_RESP;
-	else if (sp->id != fh->fh_seq_id) {
-			atomic_inc(&mp->stats.seq_not_found);
-			goto rel;
+		sp->id = fh->fh_seq_id;
+	} else if (sp->id != fh->fh_seq_id) {
+		atomic_inc(&mp->stats.seq_not_found);
+		goto rel;
 	}
 
 	f_ctl = ntoh24(fh->fh_f_ctl);

From 721cafafb66f57b461226aa197997f3e5b296f91 Mon Sep 17 00:00:00 2001
From: Vasu Dev <vasu.dev@intel.com>
Date: Fri, 7 May 2010 15:18:19 -0700
Subject: [PATCH 1522/3638] [SCSI] fcoe: fixes wrong error exit in fcoe_create

fcoe_create exits using out_nodev label when module is not
yet LIVE but this exit path unlocks the rtnl_lock though
rtnl lock was not held in this case.

So this patch replaces out_nodev with out_nomod to exit
w/o unlocking rtnl_lock.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index aba839e6801..7022a16b14f 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -2056,7 +2056,7 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp)
 	 */
 	if (THIS_MODULE->state != MODULE_STATE_LIVE) {
 		rc = -ENODEV;
-		goto out_nodev;
+		goto out_nomod;
 	}
 #endif
 

From 1b80e0f91c41db4633c0a61f727de169a9e9b275 Mon Sep 17 00:00:00 2001
From: Robert Love <robert.w.love@intel.com>
Date: Fri, 7 May 2010 15:18:24 -0700
Subject: [PATCH 1523/3638] [SCSI] libfc: Remove unused fc_get_host_port_type

Remove this unused routine.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/libfc/fc_lport.c | 11 -----------
 include/scsi/libfc.h          |  1 -
 2 files changed, 12 deletions(-)

diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index ef25e11abd3..7159bcfa8ec 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -243,17 +243,6 @@ static void fc_lport_ptp_setup(struct fc_lport *lport,
 	fc_lport_enter_ready(lport);
 }
 
-/**
- * fc_get_host_port_type() - Return the port type of the given Scsi_Host
- * @shost: The SCSI host whose port type is to be determined
- */
-void fc_get_host_port_type(struct Scsi_Host *shost)
-{
-	/* TODO - currently just NPORT */
-	fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
-}
-EXPORT_SYMBOL(fc_get_host_port_type);
-
 /**
  * fc_get_host_port_state() - Return the port state of the given Scsi_Host
  * @shost:  The SCSI host whose port state is to be determined
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index a26bb50c0c8..1755fa7e927 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -1049,7 +1049,6 @@ void fc_exch_mgr_reset(struct fc_lport *, u32 s_id, u32 d_id);
  * Functions for fc_functions_template
  */
 void fc_get_host_speed(struct Scsi_Host *);
-void fc_get_host_port_type(struct Scsi_Host *);
 void fc_get_host_port_state(struct Scsi_Host *);
 void fc_set_rport_loss_tmo(struct fc_rport *, u32 timeout);
 struct fc_host_statistics *fc_get_host_stats(struct Scsi_Host *);

From d29510a2968f87eaf455c606cd8802b6f8a0774b Mon Sep 17 00:00:00 2001
From: Robert Love <robert.w.love@intel.com>
Date: Fri, 7 May 2010 15:18:30 -0700
Subject: [PATCH 1524/3638] [SCSI] libfc: Remove extra pointer check

The fcf pointer is checked again after this verification
making the first check redundant. Remote the first check.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/libfcoe.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index aadd24962e9..ec4c88c2d13 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -948,8 +948,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
 	u32	desc_mask;
 
 	LIBFCOE_FIP_DBG(fip, "Clear Virtual Link received\n");
-	if (!fcf)
-		return;
+
 	if (!fcf || !fc_host_port_id(lport->host))
 		return;
 

From 5e4f8fe7b58f4da5043b7f219fe9193cddd9262e Mon Sep 17 00:00:00 2001
From: Robert Love <robert.w.love@intel.com>
Date: Fri, 7 May 2010 15:18:35 -0700
Subject: [PATCH 1525/3638] [SCSI] fcoe: move link speed checking into its own
 routine

It doesn't make sense to update the link speed in the is_link_ok()
routine. Move it to it's own routine and acquire the device speed
when we're configuring the device initially as well as if there are
any netdev events received.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 42 +++++++++++++++++++++++++++-------------
 1 file changed, 29 insertions(+), 13 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 7022a16b14f..4834d3c130d 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -74,6 +74,7 @@ static int fcoe_rcv(struct sk_buff *, struct net_device *,
 static int fcoe_percpu_receive_thread(void *);
 static void fcoe_clean_pending_queue(struct fc_lport *);
 static void fcoe_percpu_clean(struct fc_lport *);
+static int fcoe_link_speed_update(struct fc_lport *);
 static int fcoe_link_ok(struct fc_lport *);
 
 static struct fc_lport *fcoe_hostlist_lookup(const struct net_device *);
@@ -631,6 +632,8 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev)
 	port->fcoe_pending_queue_active = 0;
 	setup_timer(&port->timer, fcoe_queue_timer, (unsigned long)lport);
 
+	fcoe_link_speed_update(lport);
+
 	if (!lport->vport) {
 		/*
 		 * Use NAA 1&2 (FC-FS Rev. 2.0, Sec. 15) to generate WWNN/WWPN:
@@ -1829,6 +1832,9 @@ static int fcoe_device_notification(struct notifier_block *notifier,
 		FCOE_NETDEV_DBG(netdev, "Unknown event %ld "
 				"from netdev netlink\n", event);
 	}
+
+	fcoe_link_speed_update(lport);
+
 	if (link_possible && !fcoe_link_ok(lport))
 		fcoe_ctlr_link_up(&fcoe->ctlr);
 	else if (fcoe_ctlr_link_down(&fcoe->ctlr)) {
@@ -2128,26 +2134,19 @@ out_nomod:
 }
 
 /**
- * fcoe_link_ok() - Check if the link is OK for a local port
- * @lport: The local port to check link on
- *
- * Any permanently-disqualifying conditions have been previously checked.
- * This also updates the speed setting, which may change with link for 100/1000.
- *
- * This function should probably be checking for PAUSE support at some point
- * in the future. Currently Per-priority-pause is not determinable using
- * ethtool, so we shouldn't be restrictive until that problem is resolved.
- *
- * Returns: 0 if link is OK for use by FCoE.
+ * fcoe_link_speed_update() - Update the supported and actual link speeds
+ * @lport: The local port to update speeds for
  *
+ * Returns: 0 if the ethtool query was successful
+ *          -1 if the ethtool query failed
  */
-int fcoe_link_ok(struct fc_lport *lport)
+int fcoe_link_speed_update(struct fc_lport *lport)
 {
 	struct fcoe_port *port = lport_priv(lport);
 	struct net_device *netdev = port->fcoe->netdev;
 	struct ethtool_cmd ecmd = { ETHTOOL_GSET };
 
-	if (netif_oper_up(netdev) && !dev_ethtool_get_settings(netdev, &ecmd)) {
+	if (!dev_ethtool_get_settings(netdev, &ecmd)) {
 		lport->link_supported_speeds &=
 			~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
 		if (ecmd.supported & (SUPPORTED_1000baseT_Half |
@@ -2166,6 +2165,23 @@ int fcoe_link_ok(struct fc_lport *lport)
 	return -1;
 }
 
+/**
+ * fcoe_link_ok() - Check if the link is OK for a local port
+ * @lport: The local port to check link on
+ *
+ * Returns: 0 if link is UP and OK, -1 if not
+ *
+ */
+int fcoe_link_ok(struct fc_lport *lport)
+{
+	struct fcoe_port *port = lport_priv(lport);
+	struct net_device *netdev = port->fcoe->netdev;
+
+	if (netif_oper_up(netdev))
+		return 0;
+	return -1;
+}
+
 /**
  * fcoe_percpu_clean() - Clear all pending skbs for an local port
  * @lport: The local port whose skbs are to be cleared

From 7b2787ec15b9d1c2f716da61b0eec21a3f5e6520 Mon Sep 17 00:00:00 2001
From: Robert Love <robert.w.love@intel.com>
Date: Fri, 7 May 2010 15:18:41 -0700
Subject: [PATCH 1526/3638] [SCSI] libfc: Move the port_id into lport

This patch creates a port_id member in struct fc_lport.
This allows libfc to just deal with fc_lport instances
instead of calling into the fc_host to get the port_id.

This change helps in only using symbols necessary for
operation from the libfc structures. libfc still needs
to change the fc_host_port_id() if the port_id changes
so the presentation layer (scsi_transport_fc) can provide
the user with the correct value, but libfc shouldn't
rely on the presentation layer for operational values.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/libfcoe.c   |  9 ++++-----
 drivers/scsi/libfc/fc_disc.c  |  2 +-
 drivers/scsi/libfc/fc_elsct.c |  2 +-
 drivers/scsi/libfc/fc_exch.c  |  2 +-
 drivers/scsi/libfc/fc_fcp.c   | 14 +++++++-------
 drivers/scsi/libfc/fc_libfc.h |  2 +-
 drivers/scsi/libfc/fc_lport.c | 16 ++++++++++------
 drivers/scsi/libfc/fc_npiv.c  |  4 ++--
 include/scsi/fc_encode.h      | 18 +++++++-----------
 include/scsi/libfc.h          |  2 ++
 10 files changed, 36 insertions(+), 35 deletions(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index ec4c88c2d13..948364a3342 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -343,7 +343,7 @@ static void fcoe_ctlr_send_keep_alive(struct fcoe_ctlr *fip,
 
 	fcf = fip->sel_fcf;
 	lp = fip->lp;
-	if (!fcf || !fc_host_port_id(lp->host))
+	if (!fcf || !lp->port_id)
 		return;
 
 	len = sizeof(*kal) + ports * sizeof(*vn);
@@ -374,7 +374,7 @@ static void fcoe_ctlr_send_keep_alive(struct fcoe_ctlr *fip,
 		vn->fd_desc.fip_dtype = FIP_DT_VN_ID;
 		vn->fd_desc.fip_dlen = sizeof(*vn) / FIP_BPW;
 		memcpy(vn->fd_mac, fip->get_src_addr(lport), ETH_ALEN);
-		hton24(vn->fd_fc_id, fc_host_port_id(lp->host));
+		hton24(vn->fd_fc_id, lp->port_id);
 		put_unaligned_be64(lp->wwpn, &vn->fd_wwpn);
 	}
 	skb_put(skb, len);
@@ -949,7 +949,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
 
 	LIBFCOE_FIP_DBG(fip, "Clear Virtual Link received\n");
 
-	if (!fcf || !fc_host_port_id(lport->host))
+	if (!fcf || !lport->port_id)
 		return;
 
 	/*
@@ -987,8 +987,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
 			if (compare_ether_addr(vp->fd_mac,
 					       fip->get_src_addr(lport)) == 0 &&
 			    get_unaligned_be64(&vp->fd_wwpn) == lport->wwpn &&
-			    ntoh24(vp->fd_fc_id) ==
-			    fc_host_port_id(lport->host))
+			    ntoh24(vp->fd_fc_id) == lport->port_id)
 				desc_mask &= ~BIT(FIP_DT_VN_ID);
 			break;
 		default:
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index b292272d296..c7985da8809 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -440,7 +440,7 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
 		ids.port_id = ntoh24(np->fp_fid);
 		ids.port_name = ntohll(np->fp_wwpn);
 
-		if (ids.port_id != fc_host_port_id(lport->host) &&
+		if (ids.port_id != lport->port_id &&
 		    ids.port_name != lport->wwpn) {
 			rdata = lport->tt.rport_create(lport, ids.port_id);
 			if (rdata) {
diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c
index 53748724f2c..e9412b710fa 100644
--- a/drivers/scsi/libfc/fc_elsct.c
+++ b/drivers/scsi/libfc/fc_elsct.c
@@ -63,7 +63,7 @@ struct fc_seq *fc_elsct_send(struct fc_lport *lport, u32 did,
 		return NULL;
 	}
 
-	fc_fill_fc_hdr(fp, r_ctl, did, fc_host_port_id(lport->host), fh_type,
+	fc_fill_fc_hdr(fp, r_ctl, did, lport->port_id, fh_type,
 		       FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
 
 	return lport->tt.exch_seq_send(lport, fp, resp, NULL, arg, timer_msec);
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 6addbd6e41e..104e0fba7c4 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -1927,7 +1927,7 @@ static void fc_exch_rrq(struct fc_exch *ep)
 		did = ep->sid;
 
 	fc_fill_fc_hdr(fp, FC_RCTL_ELS_REQ, did,
-		       fc_host_port_id(lport->host), FC_TYPE_ELS,
+		       lport->port_id, FC_TYPE_ELS,
 		       FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
 
 	if (fc_exch_seq_send(lport, fp, fc_exch_rrq_resp, NULL, ep,
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 81a7c976b37..ec1f66c4a9d 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -490,7 +490,7 @@ crc_err:
 			if (stats->InvalidCRCCount++ < 5)
 				printk(KERN_WARNING "libfc: CRC error on data "
 				       "frame for port (%6.6x)\n",
-				       fc_host_port_id(lport->host));
+				       lport->port_id);
 			put_cpu();
 			/*
 			 * Assume the frame is total garbage.
@@ -1109,7 +1109,7 @@ static int fc_fcp_cmd_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp,
 	rpriv = rport->dd_data;
 
 	fc_fill_fc_hdr(fp, FC_RCTL_DD_UNSOL_CMD, rport->port_id,
-		       fc_host_port_id(rpriv->local_port->host), FC_TYPE_FCP,
+		       rpriv->local_port->port_id, FC_TYPE_FCP,
 		       FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
 
 	seq = lport->tt.exch_seq_send(lport, fp, resp, fc_fcp_pkt_destroy,
@@ -1382,7 +1382,7 @@ static void fc_fcp_rec(struct fc_fcp_pkt *fsp)
 
 	fr_seq(fp) = fsp->seq_ptr;
 	fc_fill_fc_hdr(fp, FC_RCTL_ELS_REQ, rport->port_id,
-		       fc_host_port_id(rpriv->local_port->host), FC_TYPE_ELS,
+		       rpriv->local_port->port_id, FC_TYPE_ELS,
 		       FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
 	if (lport->tt.elsct_send(lport, rport->port_id, fp, ELS_REC,
 				 fc_fcp_rec_resp, fsp,
@@ -1640,7 +1640,7 @@ static void fc_fcp_srr(struct fc_fcp_pkt *fsp, enum fc_rctl r_ctl, u32 offset)
 	srr->srr_rel_off = htonl(offset);
 
 	fc_fill_fc_hdr(fp, FC_RCTL_ELS4_REQ, rport->port_id,
-		       fc_host_port_id(rpriv->local_port->host), FC_TYPE_FCP,
+		       rpriv->local_port->port_id, FC_TYPE_FCP,
 		       FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
 
 	seq = lport->tt.exch_seq_send(lport, fp, fc_fcp_srr_resp, NULL,
@@ -2101,12 +2101,12 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd)
 
 	if (fc_fcp_lport_queue_ready(lport)) {
 		shost_printk(KERN_INFO, shost, "libfc: Host reset succeeded "
-			     "on port (%6.6x)\n", fc_host_port_id(lport->host));
+			     "on port (%6.6x)\n", lport->port_id);
 		return SUCCESS;
 	} else {
 		shost_printk(KERN_INFO, shost, "libfc: Host reset failed, "
 			     "port (%6.6x) is not ready.\n",
-			     fc_host_port_id(lport->host));
+			     lport->port_id);
 		return FAILED;
 	}
 }
@@ -2191,7 +2191,7 @@ void fc_fcp_destroy(struct fc_lport *lport)
 
 	if (!list_empty(&si->scsi_pkt_queue))
 		printk(KERN_ERR "libfc: Leaked SCSI packets when destroying "
-		       "port (%6.6x)\n", fc_host_port_id(lport->host));
+		       "port (%6.6x)\n", lport->port_id);
 
 	mempool_destroy(si->scsi_pkt_pool);
 	kfree(si);
diff --git a/drivers/scsi/libfc/fc_libfc.h b/drivers/scsi/libfc/fc_libfc.h
index efc6b3fe6f3..f5c0ca4b6ef 100644
--- a/drivers/scsi/libfc/fc_libfc.h
+++ b/drivers/scsi/libfc/fc_libfc.h
@@ -47,7 +47,7 @@ extern unsigned int fc_debug_logging;
 	FC_CHECK_LOGGING(FC_LPORT_LOGGING,				\
 			 printk(KERN_INFO "host%u: lport %6.6x: " fmt,	\
 				(lport)->host->host_no,			\
-				fc_host_port_id((lport)->host), ##args))
+				(lport)->port_id, ##args))
 
 #define FC_DISC_DBG(disc, fmt, args...)				\
 	FC_CHECK_LOGGING(FC_DISC_LOGGING,			\
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index 7159bcfa8ec..79c9e3ccd34 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -565,7 +565,7 @@ void __fc_linkup(struct fc_lport *lport)
 void fc_linkup(struct fc_lport *lport)
 {
 	printk(KERN_INFO "host%d: libfc: Link up on port (%6.6x)\n",
-	       lport->host->host_no, fc_host_port_id(lport->host));
+	       lport->host->host_no, lport->port_id);
 
 	mutex_lock(&lport->lp_mutex);
 	__fc_linkup(lport);
@@ -595,7 +595,7 @@ void __fc_linkdown(struct fc_lport *lport)
 void fc_linkdown(struct fc_lport *lport)
 {
 	printk(KERN_INFO "host%d: libfc: Link down on port (%6.6x)\n",
-	       lport->host->host_no, fc_host_port_id(lport->host));
+	       lport->host->host_no, lport->port_id);
 
 	mutex_lock(&lport->lp_mutex);
 	__fc_linkdown(lport);
@@ -697,7 +697,7 @@ void fc_lport_disc_callback(struct fc_lport *lport, enum fc_disc_event event)
 	case DISC_EV_FAILED:
 		printk(KERN_ERR "host%d: libfc: "
 		       "Discovery failed for port (%6.6x)\n",
-		       lport->host->host_no, fc_host_port_id(lport->host));
+		       lport->host->host_no, lport->port_id);
 		mutex_lock(&lport->lp_mutex);
 		fc_lport_enter_reset(lport);
 		mutex_unlock(&lport->lp_mutex);
@@ -745,7 +745,11 @@ static void fc_lport_set_port_id(struct fc_lport *lport, u32 port_id,
 		printk(KERN_INFO "host%d: Assigned Port ID %6.6x\n",
 		       lport->host->host_no, port_id);
 
+	lport->port_id = port_id;
+
+	/* Update the fc_host */
 	fc_host_port_id(lport->host) = port_id;
+
 	if (lport->tt.lport_set_port_id)
 		lport->tt.lport_set_port_id(lport, port_id, fp);
 }
@@ -950,7 +954,7 @@ static void fc_lport_reset_locked(struct fc_lport *lport)
 	lport->tt.exch_mgr_reset(lport, 0, 0);
 	fc_host_fabric_name(lport->host) = 0;
 
-	if (fc_host_port_id(lport->host))
+	if (lport->port_id)
 		fc_lport_set_port_id(lport, 0, NULL);
 }
 
@@ -1695,7 +1699,7 @@ static int fc_lport_els_request(struct fc_bsg_job *job,
 	fh = fc_frame_header_get(fp);
 	fh->fh_r_ctl = FC_RCTL_ELS_REQ;
 	hton24(fh->fh_d_id, did);
-	hton24(fh->fh_s_id, fc_host_port_id(lport->host));
+	hton24(fh->fh_s_id, lport->port_id);
 	fh->fh_type = FC_TYPE_ELS;
 	hton24(fh->fh_f_ctl, FC_FC_FIRST_SEQ |
 	       FC_FC_END_SEQ | FC_FC_SEQ_INIT);
@@ -1755,7 +1759,7 @@ static int fc_lport_ct_request(struct fc_bsg_job *job,
 	fh = fc_frame_header_get(fp);
 	fh->fh_r_ctl = FC_RCTL_DD_UNSOL_CTL;
 	hton24(fh->fh_d_id, did);
-	hton24(fh->fh_s_id, fc_host_port_id(lport->host));
+	hton24(fh->fh_s_id, lport->port_id);
 	fh->fh_type = FC_TYPE_CT;
 	hton24(fh->fh_f_ctl, FC_FC_FIRST_SEQ |
 	       FC_FC_END_SEQ | FC_FC_SEQ_INIT);
diff --git a/drivers/scsi/libfc/fc_npiv.c b/drivers/scsi/libfc/fc_npiv.c
index 45b6f1e2df9..dd2b43bb1c7 100644
--- a/drivers/scsi/libfc/fc_npiv.c
+++ b/drivers/scsi/libfc/fc_npiv.c
@@ -69,7 +69,7 @@ struct fc_lport *fc_vport_id_lookup(struct fc_lport *n_port, u32 port_id)
 	struct fc_lport *lport = NULL;
 	struct fc_lport *vn_port;
 
-	if (fc_host_port_id(n_port->host) == port_id)
+	if (n_port->port_id == port_id)
 		return n_port;
 
 	if (port_id == FC_FID_FLOGI)
@@ -77,7 +77,7 @@ struct fc_lport *fc_vport_id_lookup(struct fc_lport *n_port, u32 port_id)
 
 	mutex_lock(&n_port->lp_mutex);
 	list_for_each_entry(vn_port, &n_port->vports, list) {
-		if (fc_host_port_id(vn_port->host) == port_id) {
+		if (vn_port->port_id == port_id) {
 			lport = vn_port;
 			break;
 		}
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
index 8eb0a0fc0a7..9b4867c9c2d 100644
--- a/include/scsi/fc_encode.h
+++ b/include/scsi/fc_encode.h
@@ -74,7 +74,7 @@ static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp)
 	adisc->adisc_cmd = ELS_ADISC;
 	put_unaligned_be64(lport->wwpn, &adisc->adisc_wwpn);
 	put_unaligned_be64(lport->wwnn, &adisc->adisc_wwnn);
-	hton24(adisc->adisc_port_id, fc_host_port_id(lport->host));
+	hton24(adisc->adisc_port_id, lport->port_id);
 }
 
 /**
@@ -127,15 +127,13 @@ static inline int fc_ct_fill(struct fc_lport *lport,
 
 	case FC_NS_RFT_ID:
 		ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rft));
-		hton24(ct->payload.rft.fid.fp_fid,
-		       fc_host_port_id(lport->host));
+		hton24(ct->payload.rft.fid.fp_fid, lport->port_id);
 		ct->payload.rft.fts = lport->fcts;
 		break;
 
 	case FC_NS_RFF_ID:
 		ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id));
-		hton24(ct->payload.rff.fr_fid.fp_fid,
-		       fc_host_port_id(lport->host));
+		hton24(ct->payload.rff.fr_fid.fp_fid, lport->port_id);
 		ct->payload.rff.fr_type = FC_TYPE_FCP;
 		if (lport->service_params & FCP_SPPF_INIT_FCN)
 			ct->payload.rff.fr_feat = FCP_FEAT_INIT;
@@ -145,16 +143,14 @@ static inline int fc_ct_fill(struct fc_lport *lport,
 
 	case FC_NS_RNN_ID:
 		ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id));
-		hton24(ct->payload.rn.fr_fid.fp_fid,
-		       fc_host_port_id(lport->host));
+		hton24(ct->payload.rn.fr_fid.fp_fid, lport->port_id);
 		put_unaligned_be64(lport->wwnn, &ct->payload.rn.fr_wwn);
 		break;
 
 	case FC_NS_RSPN_ID:
 		len = strnlen(fc_host_symbolic_name(lport->host), 255);
 		ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rspn) + len);
-		hton24(ct->payload.spn.fr_fid.fp_fid,
-		       fc_host_port_id(lport->host));
+		hton24(ct->payload.spn.fr_fid.fp_fid, lport->port_id);
 		strncpy(ct->payload.spn.fr_name,
 			fc_host_symbolic_name(lport->host), len);
 		ct->payload.spn.fr_name_len = len;
@@ -268,7 +264,7 @@ static inline void fc_logo_fill(struct fc_lport *lport, struct fc_frame *fp)
 	logo = fc_frame_payload_get(fp, sizeof(*logo));
 	memset(logo, 0, sizeof(*logo));
 	logo->fl_cmd = ELS_LOGO;
-	hton24(logo->fl_n_port_id, fc_host_port_id(lport->host));
+	hton24(logo->fl_n_port_id, lport->port_id);
 	logo->fl_n_port_wwn = htonll(lport->wwpn);
 }
 
@@ -295,7 +291,7 @@ static inline void fc_rec_fill(struct fc_lport *lport, struct fc_frame *fp)
 	rec = fc_frame_payload_get(fp, sizeof(*rec));
 	memset(rec, 0, sizeof(*rec));
 	rec->rec_cmd = ELS_REC;
-	hton24(rec->rec_s_id, fc_host_port_id(lport->host));
+	hton24(rec->rec_s_id, lport->port_id);
 	rec->rec_ox_id = htons(ep->oxid);
 	rec->rec_rx_id = htons(ep->rxid);
 }
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 1755fa7e927..7495c0ba67e 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -780,6 +780,7 @@ struct fc_disc {
  * @dev_stats:             FCoE device stats (TODO: libfc should not be
  *                         FCoE aware)
  * @retry_count:           Number of retries in the current state
+ * @port_id:               FC Port ID
  * @wwpn:                  World Wide Port Name
  * @wwnn:                  World Wide Node Name
  * @service_params:        Common service parameters
@@ -826,6 +827,7 @@ struct fc_lport {
 	u8			       retry_count;
 
 	/* Fabric information */
+	u32                            port_id;
 	u64			       wwpn;
 	u64			       wwnn;
 	unsigned int		       service_params;

From 34ce27bcf96f5f366e1fa8c4729ffc8a55de4cc3 Mon Sep 17 00:00:00 2001
From: Vasu Dev <vasu.dev@intel.com>
Date: Fri, 7 May 2010 15:18:46 -0700
Subject: [PATCH 1527/3638] [SCSI] fcoe: fix a circular locking issue with rtnl
 and sysfs mutex

Currently rtnl mutex is grabbed during fcoe create, destroy, enable
and disable operations while sysfs s_active read mutex is already
held, but simultaneously other networking events could try grabbing
write s_active mutex while rtnl is already held and that is causing
circular lock warning, its detailed log pasted at end.

In this log, the rtnl was held before write s_active during device
renaming but there are more such cases as Joe reported another
instance with tg3 open at:-
http://www.open-fcoe.org/pipermail/devel/2010-February/008263.html

This patch fixes this issue by not waiting for rtnl mutex during
fcoe ops, that means if rtnl mutex is not immediately available
then restart_syscall() to allow others waiting in line to
grab s_active along with rtnl mutex to finish their work first
under these mutex.

Currently rtnl mutex was grabbed twice during fcoe_destroy call flow,
second grab was from fcoe_if_destroy called from fcoe_destroy after
dropping rtnl mutex before calling fcoe_if_destroy, so instead made
fcoe_if_destroy always called with rtnl mutex held to have this mutex
grabbed only once in this code path.

However left matching rtnl_unlock as-is in its original place as it was
dropped there for good reason since very next call causes synchronous
fip worker flush and if rtnl mutex is still held before flush
then that would cause new circular warning between fip->recv_work and
rtnl mutex, I've added detailed comment for this on fcoe_if_destroy
calling and rtnl muxtes unlocking.

=======================================================
[ INFO: possible circular locking dependency detected ]
2.6.33.1linux-stable-2.6.33 #1
-------------------------------------------------------
fcoemon/18823 is trying to acquire lock:
(fcoe_config_mutex){+.+.+.}, at: [<ffffffffa02ba5fc>] fcoe_create+0x27/0x4f7
[fcoe]

but task is already holding lock:
(s_active){++++.+}, at: [<ffffffff8115ef93>] sysfs_get_active_two+0x31/0x48

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

-> #2 (s_active){++++.+}:
   [<ffffffff81077bdb>] __lock_acquire+0xb73/0xd2b
   [<ffffffff81077e60>] lock_acquire+0xcd/0xf1
   [<ffffffff8115e5df>] sysfs_deactivate+0x8b/0xe0
   [<ffffffff8115edfb>] sysfs_addrm_finish+0x36/0x55
   [<ffffffff8115d0cc>] sysfs_hash_and_remove+0x53/0x6a
   [<ffffffff8115f353>] sysfs_remove_link+0x21/0x23
   [<ffffffff812b6c93>] device_rename+0x99/0xcb
   [<ffffffff8138dbf0>] dev_change_name+0xd5/0x1d2
   [<ffffffff8138deee>] dev_ifsioc+0x201/0x2ac
   [<ffffffff8138e4ba>] dev_ioctl+0x521/0x632
   [<ffffffff81379e43>] sock_do_ioctl+0x3d/0x47
   [<ffffffff8137a254>] sock_ioctl+0x213/0x222
   [<ffffffff81114614>] vfs_ioctl+0x32/0xa6
   [<ffffffff81114b94>] do_vfs_ioctl+0x490/0x4d6
   [<ffffffff81114c30>] sys_ioctl+0x56/0x79
   [<ffffffff81009b42>] system_call_fastpath+0x16/0x1b

-> #1 (rtnl_mutex){+.+.+.}:
   [<ffffffff81077bdb>] __lock_acquire+0xb73/0xd2b
   [<ffffffff81077e60>] lock_acquire+0xcd/0xf1
   [<ffffffff8142f343>] __mutex_lock_common+0x4b/0x383
   [<ffffffff8142f73f>] mutex_lock_nested+0x3e/0x43
   [<ffffffff813959f9>] rtnl_lock+0x17/0x19
   [<ffffffff8138ccae>] register_netdevice_notifier+0x1e/0x19b
   [<ffffffffa02580c1>] 0xffffffffa02580c1
   [<ffffffff81002069>] do_one_initcall+0x5e/0x15e
   [<ffffffff81084094>] sys_init_module+0xd8/0x23a
   [<ffffffff81009b42>] system_call_fastpath+0x16/0x1b

-> #0 (fcoe_config_mutex){+.+.+.}:
   [<ffffffff81077a85>] __lock_acquire+0xa1d/0xd2b
   [<ffffffff81077e60>] lock_acquire+0xcd/0xf1
   [<ffffffff8142f343>] __mutex_lock_common+0x4b/0x383
   [<ffffffff8142f73f>] mutex_lock_nested+0x3e/0x43
   [<ffffffffa02ba5fc>] fcoe_create+0x27/0x4f7 [fcoe]
   [<ffffffff810635b1>] param_attr_store+0x27/0x35
   [<ffffffff81063619>] module_attr_store+0x26/0x2a
   [<ffffffff8115dae3>] sysfs_write_file+0x108/0x144
   [<ffffffff81107bd1>] vfs_write+0xae/0x10b
   [<ffffffff81107cee>] sys_write+0x4a/0x6e
   [<ffffffff81009b42>] system_call_fastpath+0x16/0x1b

other info that might help us debug this:

3 locks held by fcoemon/18823:
#0:  (&buffer->mutex){+.+.+.}, at: [<ffffffff8115da17>]
sysfs_write_file+0x3c/0x144
#1:  (s_active){++++.+}, at: [<ffffffff8115ef86>]
sysfs_get_active_two+0x24/0x48
#2:  (s_active){++++.+}, at: [<ffffffff8115ef93>]
sysfs_get_active_two+0x31/0x48

stack backtrace:
Pid: 18823, comm: fcoemon Tainted: G        W  2.6.33.1linux-stable-2.6.33 #1
Call Trace:
[<ffffffff81076c38>] print_circular_bug+0xa8/0xb6
[<ffffffff81077a85>] __lock_acquire+0xa1d/0xd2b
[<ffffffffa02ba5fc>] ? fcoe_create+0x27/0x4f7 [fcoe]
[<ffffffff81077e60>] lock_acquire+0xcd/0xf1
[<ffffffffa02ba5fc>] ? fcoe_create+0x27/0x4f7 [fcoe]
[<ffffffffa02ba5fc>] ? fcoe_create+0x27/0x4f7 [fcoe]
[<ffffffff8142f343>] __mutex_lock_common+0x4b/0x383
[<ffffffffa02ba5fc>] ? fcoe_create+0x27/0x4f7 [fcoe]
[<ffffffff8106ac70>] ? cpu_clock+0x43/0x5e
[<ffffffff81074e12>] ? lockstat_clock+0x11/0x13
[<ffffffff81074e40>] ? lock_release_holdtime+0x2c/0x127
[<ffffffff8115ef93>] ? sysfs_get_active_two+0x31/0x48
[<ffffffff8142f73f>] mutex_lock_nested+0x3e/0x43
[<ffffffffa02ba5fc>] fcoe_create+0x27/0x4f7 [fcoe]
[<ffffffff810635b1>] param_attr_store+0x27/0x35
[<ffffffff81063619>] module_attr_store+0x26/0x2a
[<ffffffff8115dae3>] sysfs_write_file+0x108/0x144
[<ffffffff81107bd1>] vfs_write+0xae/0x10b
[<ffffffff81076596>] ? trace_hardirqs_on_caller+0x125/0x150
[<ffffffff81107cee>] sys_write+0x4a/0x6e
[<ffffffff81009b42>] system_call_fastpath+0x16/0x1b

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 41 +++++++++++++++++++++++++++++++++-------
 1 file changed, 34 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 4834d3c130d..0c825c0944f 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -801,6 +801,12 @@ skip_oem:
 /**
  * fcoe_if_destroy() - Tear down a SW FCoE instance
  * @lport: The local port to be destroyed
+ *
+ * Locking: must be called with the RTNL mutex held and RTNL mutex
+ * needed to be dropped by this function since not dropping RTNL
+ * would cause circular locking warning on synchronous fip worker
+ * cancelling thru fcoe_interface_put invoked by this function.
+ *
  */
 static void fcoe_if_destroy(struct fc_lport *lport)
 {
@@ -823,7 +829,6 @@ static void fcoe_if_destroy(struct fc_lport *lport)
 	/* Free existing transmit skbs */
 	fcoe_clean_pending_queue(lport);
 
-	rtnl_lock();
 	if (!is_zero_ether_addr(port->data_src_addr))
 		dev_unicast_delete(netdev, port->data_src_addr);
 	rtnl_unlock();
@@ -1902,7 +1907,12 @@ static int fcoe_disable(const char *buffer, struct kernel_param *kp)
 		goto out_nodev;
 	}
 
-	rtnl_lock();
+	if (!rtnl_trylock()) {
+		dev_put(netdev);
+		mutex_unlock(&fcoe_config_mutex);
+		return restart_syscall();
+	}
+
 	fcoe = fcoe_hostlist_lookup_port(netdev);
 	rtnl_unlock();
 
@@ -1952,7 +1962,12 @@ static int fcoe_enable(const char *buffer, struct kernel_param *kp)
 		goto out_nodev;
 	}
 
-	rtnl_lock();
+	if (!rtnl_trylock()) {
+		dev_put(netdev);
+		mutex_unlock(&fcoe_config_mutex);
+		return restart_syscall();
+	}
+
 	fcoe = fcoe_hostlist_lookup_port(netdev);
 	rtnl_unlock();
 
@@ -2003,7 +2018,12 @@ static int fcoe_destroy(const char *buffer, struct kernel_param *kp)
 		goto out_nodev;
 	}
 
-	rtnl_lock();
+	if (!rtnl_trylock()) {
+		dev_put(netdev);
+		mutex_unlock(&fcoe_config_mutex);
+		return restart_syscall();
+	}
+
 	fcoe = fcoe_hostlist_lookup_port(netdev);
 	if (!fcoe) {
 		rtnl_unlock();
@@ -2012,7 +2032,7 @@ static int fcoe_destroy(const char *buffer, struct kernel_param *kp)
 	}
 	list_del(&fcoe->list);
 	fcoe_interface_cleanup(fcoe);
-	rtnl_unlock();
+	/* RTNL mutex is dropped by fcoe_if_destroy */
 	fcoe_if_destroy(fcoe->ctlr.lp);
 	module_put(THIS_MODULE);
 
@@ -2033,6 +2053,8 @@ static void fcoe_destroy_work(struct work_struct *work)
 
 	port = container_of(work, struct fcoe_port, destroy_work);
 	mutex_lock(&fcoe_config_mutex);
+	rtnl_lock();
+	/* RTNL mutex is dropped by fcoe_if_destroy */
 	fcoe_if_destroy(port->lport);
 	mutex_unlock(&fcoe_config_mutex);
 }
@@ -2054,6 +2076,12 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp)
 	struct net_device *netdev;
 
 	mutex_lock(&fcoe_config_mutex);
+
+	if (!rtnl_trylock()) {
+		mutex_unlock(&fcoe_config_mutex);
+		return restart_syscall();
+	}
+
 #ifdef CONFIG_FCOE_MODULE
 	/*
 	 * Make sure the module has been initialized, and is not about to be
@@ -2071,7 +2099,6 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp)
 		goto out_nomod;
 	}
 
-	rtnl_lock();
 	netdev = fcoe_if_to_netdev(buffer);
 	if (!netdev) {
 		rc = -ENODEV;
@@ -2126,9 +2153,9 @@ out_free:
 out_putdev:
 	dev_put(netdev);
 out_nodev:
-	rtnl_unlock();
 	module_put(THIS_MODULE);
 out_nomod:
+	rtnl_unlock();
 	mutex_unlock(&fcoe_config_mutex);
 	return rc;
 }

From 8b889e4f95545241fe90aa426ce9b7395d13ae06 Mon Sep 17 00:00:00 2001
From: Kaladhar Musunuru <kmusunuru@juniper.net>
Date: Fri, 7 May 2010 15:18:52 -0700
Subject: [PATCH 1528/3638] [SCSI] libfcoe: Fix incorrect MAC address clearing

Fix typo in memset. Incorrect length parameter to memset resulting non-zero MAC address in FPMA messages.

Signed-off-by: Kaladhar Musunuru <kmusunuru@juniper.net>
Acked-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/libfcoe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 948364a3342..080e4eca65b 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -439,7 +439,7 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip, struct fc_lport *lport,
 	cap->encaps.fd_desc.fip_dlen = dlen / FIP_BPW;
 
 	mac = (struct fip_mac_desc *)skb_put(skb, sizeof(*mac));
-	memset(mac, 0, sizeof(mac));
+	memset(mac, 0, sizeof(*mac));
 	mac->fd_desc.fip_dtype = FIP_DT_MAC;
 	mac->fd_desc.fip_dlen = sizeof(*mac) / FIP_BPW;
 	if (dtype != FIP_DT_FLOGI && dtype != FIP_DT_FDISC) {

From fb83153d7308e1344f1d4a2e287b6aaab2f6d14c Mon Sep 17 00:00:00 2001
From: Kaladhar Musunuru <kmusunuru@juniper.net>
Date: Fri, 7 May 2010 15:18:57 -0700
Subject: [PATCH 1529/3638] [SCSI] libfcoe: FIP Keep-Alive messages for VPorts
 are sent with incorrect port_id and wwn

All VNports are sending FIP Keep-Alive messages with port_id and wwpn of the parent host instead of it's own port_id and wwpn. Standard FIP descriptor type 11 indicates to send own port_id and port_name.

Signed-off-by: Kaladhar Musunuru <kmusunuru@juniper.net>
Acked-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/libfcoe.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 080e4eca65b..50aaa4bcfc5 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -374,8 +374,8 @@ static void fcoe_ctlr_send_keep_alive(struct fcoe_ctlr *fip,
 		vn->fd_desc.fip_dtype = FIP_DT_VN_ID;
 		vn->fd_desc.fip_dlen = sizeof(*vn) / FIP_BPW;
 		memcpy(vn->fd_mac, fip->get_src_addr(lport), ETH_ALEN);
-		hton24(vn->fd_fc_id, lp->port_id);
-		put_unaligned_be64(lp->wwpn, &vn->fd_wwpn);
+		hton24(vn->fd_fc_id, lport->port_id);
+		put_unaligned_be64(lport->wwpn, &vn->fd_wwpn);
 	}
 	skb_put(skb, len);
 	skb->protocol = htons(ETH_P_FIP);

From 15af974dcb22914f29aeb9a9cac5879b0dc3860e Mon Sep 17 00:00:00 2001
From: Vasu Dev <vasu.dev@intel.com>
Date: Fri, 7 May 2010 15:19:03 -0700
Subject: [PATCH 1530/3638] [SCSI] fcoe: fix fcoe module ref counting

Currently fcoe module ref count is used for tracking
active fcoe instances, it means each fcoe instance create
increments the count while destroy dec the count.

The dec is done only if fcoe instance is destroyed from
/sysfs but not if destroyed due to NETDEV_UNREGISTER event.
So this patch moves only module_put doing dec to common
fcoe_if_destroy function, so that dec would occur on ever
fcoe instance destroy.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 0c825c0944f..ba75a98c960 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -851,6 +851,7 @@ static void fcoe_if_destroy(struct fc_lport *lport)
 
 	/* Release the Scsi_Host */
 	scsi_host_put(lport->host);
+	module_put(THIS_MODULE);
 }
 
 /**
@@ -2034,7 +2035,6 @@ static int fcoe_destroy(const char *buffer, struct kernel_param *kp)
 	fcoe_interface_cleanup(fcoe);
 	/* RTNL mutex is dropped by fcoe_if_destroy */
 	fcoe_if_destroy(fcoe->ctlr.lp);
-	module_put(THIS_MODULE);
 
 out_putdev:
 	dev_put(netdev);

From 5ca05594097438f81337e53ad50c2d17ffc28238 Mon Sep 17 00:00:00 2001
From: "Rajashekhara, Mahesh" <Mahesh_Rajashekhara@adaptec.com>
Date: Mon, 10 May 2010 04:05:50 -0700
Subject: [PATCH 1531/3638] [SCSI] aacraid: respond automatically to volumes
 added by config tool

Problem description:
--------------------

When the JBOD is created from the OS using Adaptec Storage Manager
utility device is not available under FDISK until a system restart is
done.

Solution:
---------

AIF handling: If there is a JBOD drive added to the system, identify
the old one with scsi_device_lookup() and remove it to enable a fresh
scsi_add_device(); else the new JBOD is not available until reboot.

Signed-off-by: Mahesh Rajashekhara <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/aacraid/aacraid.h |  2 +-
 drivers/scsi/aacraid/commsup.c | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 619c02d9c86..9f985267c30 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -12,7 +12,7 @@
  *----------------------------------------------------------------------------*/
 
 #ifndef AAC_DRIVER_BUILD
-# define AAC_DRIVER_BUILD 24702
+# define AAC_DRIVER_BUILD 26000
 # define AAC_DRIVER_BRANCH "-ms"
 #endif
 #define MAXIMUM_NUM_CONTAINERS	32
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 94d2954d79a..69692b050e3 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -966,6 +966,16 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
 			device_config_needed =
 			  (((__le32 *)aifcmd->data)[0] ==
 			    cpu_to_le32(AifEnAddJBOD)) ? ADD : DELETE;
+			if (device_config_needed == ADD) {
+				device = scsi_device_lookup(dev->scsi_host_ptr,
+					channel,
+					id,
+					lun);
+				if (device) {
+					scsi_remove_device(device);
+					scsi_device_put(device);
+				}
+			}
 			break;
 
 		case AifEnEnclosureManagement:

From e3cc268fe4a0ad1cbefbc53cee35c80281e609b8 Mon Sep 17 00:00:00 2001
From: "Rajashekhara, Mahesh" <Mahesh_Rajashekhara@adaptec.com>
Date: Mon, 10 May 2010 04:12:28 -0700
Subject: [PATCH 1532/3638] [SCSI] aacraid: expose physical devices for models
 with newer firmware

The default driver setting is "expose_physicals=0", which means raw
physical drives are not exposed to OS.  If the user wants to expose
connected physical drives, enable "expose_physicals" module parameter.
With the new JBOD firmware, physical drives are not available for
"expose_physicals>0".  In function "aac_expose_phy_device", modified
to reset the appropriate bit in the first byte of inquiry data.  This
fix exposes the connected physical drives.

Signed-off-by: Mahesh Rajashekhara <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/aacraid/aachba.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 7e26ebc2666..24b1ba06ece 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -328,6 +328,16 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 	return status;
 }
 
+static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
+{
+	char inq_data;
+	scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
+	if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
+		inq_data &= 0xdf;
+		scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
+	}
+}
+
 /**
  *	aac_get_containers	-	list containers
  *	@common: adapter to probe
@@ -2573,6 +2583,11 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
 
 	scsi_dma_unmap(scsicmd);
 
+	/* expose physical device if expose_physicald flag is on */
+	if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
+	  && expose_physicals > 0)
+		aac_expose_phy_device(scsicmd);
+
 	/*
 	 * First check the fib status
 	 */

From 1fc8010a5d9a27391db2be103b13f4ac80990cfc Mon Sep 17 00:00:00 2001
From: "Rajashekhara, Mahesh" <Mahesh_Rajashekhara@adaptec.com>
Date: Mon, 10 May 2010 04:17:57 -0700
Subject: [PATCH 1533/3638] [SCSI] aacraid: add support for handling ATA
 pass-through commands.

There are two conditions for ATA pass thru command that falls into
'SRB_STATUS_ERROR' condition.

1. When the "CC" bit is set by the host in ATA pass-through CDB

   - Even for the successful completion, SCSI target shall generate
     check condition.

   - Driver returns a result code of SAM_STAT_CHECK_CONDITION, with a
     driver byte of DID_OK to the mid layer.

     Below is the snippet of existing code which fills a result code
     of SAM_STAT_CHECK_CONDITION:

	***********************************
	        if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
                		int len;
	               		scsicmd->result |= SAM_STAT_CHECK_CONDITION;
			..........
	************************************

2. When the "CC" bit is reset by the host and if SCSI target generates
   a check condition when an error occurs.

   - Driver returns a result code of SAM_STAT_CHECK_CONDITION, with a
     driver byte of DID_ERROR to the mid layer.

Signed-off-by: Mahesh Rajashekhara <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/aacraid/aachba.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 24b1ba06ece..fdc7d9935ae 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -2693,8 +2693,22 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
 			scsicmd->cmnd[0],
 			le32_to_cpu(srbreply->scsi_status));
 #endif
-		scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
-		break;
+		if ((scsicmd->cmnd[0] == ATA_12)
+		  || (scsicmd->cmnd[0] == ATA_16)) {
+			if (scsicmd->cmnd[2] & (0x01 << 5)) {
+				scsicmd->result = DID_OK << 16
+						| COMMAND_COMPLETE << 8;
+				break;
+			} else {
+				scsicmd->result = DID_ERROR << 16
+						| COMMAND_COMPLETE << 8;
+				break;
+			}
+		} else {
+			scsicmd->result = DID_ERROR << 16
+					| COMMAND_COMPLETE << 8;
+			break;
+		}
 	}
 	if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
 		int len;

From da3cc679b247a22efe0746d129074015b278e64d Mon Sep 17 00:00:00 2001
From: "Rajashekhara, Mahesh" <Mahesh_Rajashekhara@adaptec.com>
Date: Mon, 10 May 2010 04:24:01 -0700
Subject: [PATCH 1534/3638] [SCSI] aacraid: prohibit access to array container
 space

Problem description:
--------------------

The issue reported by one of the customer was able to read LBA beyond
the array reported size with "sg_read" utility. If N is the last block
address reported, then should not be able to read past N,
i.e. N+1. But in their case, reported last LBA=143134719.  So should
not have been able to read with LBA=143134720, but it is read without
failure, which means reported size to the OS is not correct and is
less than the actual last block address.

Solution:
---------

Firmware layer exposes lesser container capacity than the actual
one. It exposes [Actual size - Spitfire space(10MB)] to the OS, IO's
to the 10MB should be prohibited from the Linux driver. Driver checks
LBA boundary, if its greater than the array reported size then sets
sensekey to HARDWARE_ERROR and sends the notification to the MID
layer.

Signed-off-by: Mahesh Rajashekhara <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/aacraid/aachba.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index fdc7d9935ae..7df2dd1d2c6 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1608,6 +1608,7 @@ static int aac_read(struct scsi_cmnd * scsicmd)
 	int status;
 	struct aac_dev *dev;
 	struct fib * cmd_fibcontext;
+	int cid;
 
 	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 	/*
@@ -1657,6 +1658,22 @@ static int aac_read(struct scsi_cmnd * scsicmd)
 		count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
 		break;
 	}
+
+	if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
+		cid = scmd_id(scsicmd);
+		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
+		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+			SAM_STAT_CHECK_CONDITION;
+		set_sense(&dev->fsa_dev[cid].sense_data,
+			  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+			  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+			     SCSI_SENSE_BUFFERSIZE));
+		scsicmd->scsi_done(scsicmd);
+		return 1;
+	}
+
 	dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
 	  smp_processor_id(), (unsigned long long)lba, jiffies));
 	if (aac_adapter_bounds(dev,scsicmd,lba))
@@ -1698,6 +1715,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
 	int status;
 	struct aac_dev *dev;
 	struct fib * cmd_fibcontext;
+	int cid;
 
 	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 	/*
@@ -1737,6 +1755,22 @@ static int aac_write(struct scsi_cmnd * scsicmd)
 		count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
 		fua = scsicmd->cmnd[1] & 0x8;
 	}
+
+	if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
+		cid = scmd_id(scsicmd);
+		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
+		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+			SAM_STAT_CHECK_CONDITION;
+		set_sense(&dev->fsa_dev[cid].sense_data,
+			  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+			  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+			     SCSI_SENSE_BUFFERSIZE));
+		scsicmd->scsi_done(scsicmd);
+		return 1;
+	}
+
 	dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
 	  smp_processor_id(), (unsigned long long)lba, jiffies));
 	if (aac_adapter_bounds(dev,scsicmd,lba))

From 9cccde93fed1ca988eb2fb17ab9194bf7b5ed1b0 Mon Sep 17 00:00:00 2001
From: "Rajashekhara, Mahesh" <Mahesh_Rajashekhara@adaptec.com>
Date: Mon, 10 May 2010 04:29:25 -0700
Subject: [PATCH 1535/3638] [SCSI] aacraid: add an ifdef'd device delete case
 instead of taking the device offline

Problem description:
--------------------

The problem reported by one of the customer was when a logical array
is deleted(from the SDK, from the GUI, from arcconf) then the
corresponding physical device (/dev/sdb, for example) is not removed
from the Linux namespace. So you end up with a "dead" device
entry. And some of the linux tools go slightly wonky.

Solution:
---------

Based on the notification from FW, the driver calls
"scsi_remove_device" for the DELETED drive. This call not only informs
the scsi device status to the SCSI mid layer and also it will remove
corresponding scsi device entries from the Linux sysfs.

Signed-off-by: Mahesh Rajashekhara <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/aacraid/aacraid.h | 4 +++-
 drivers/scsi/aacraid/commsup.c | 8 ++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 9f985267c30..4dbcc055ac7 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -12,7 +12,7 @@
  *----------------------------------------------------------------------------*/
 
 #ifndef AAC_DRIVER_BUILD
-# define AAC_DRIVER_BUILD 26000
+# define AAC_DRIVER_BUILD 26400
 # define AAC_DRIVER_BRANCH "-ms"
 #endif
 #define MAXIMUM_NUM_CONTAINERS	32
@@ -26,6 +26,8 @@
 #define AAC_MAX_HOSTPHYSMEMPAGES (0xfffff)
 #define AAC_MAX_32BIT_SGBCOUNT	((unsigned short)256)
 
+#define AAC_DEBUG_INSTRUMENT_AIF_DELETE
+
 /*
  * These macros convert from physical channels to virtual channels
  */
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 69692b050e3..70079146e20 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -1133,6 +1133,9 @@ retry_next:
 	if (device) {
 		switch (device_config_needed) {
 		case DELETE:
+#if (defined(AAC_DEBUG_INSTRUMENT_AIF_DELETE))
+			scsi_remove_device(device);
+#else
 			if (scsi_device_online(device)) {
 				scsi_device_set_state(device, SDEV_OFFLINE);
 				sdev_printk(KERN_INFO, device,
@@ -1141,6 +1144,7 @@ retry_next:
 						"array deleted" :
 						"enclosure services event");
 			}
+#endif
 			break;
 		case ADD:
 			if (!scsi_device_online(device)) {
@@ -1155,12 +1159,16 @@ retry_next:
 		case CHANGE:
 			if ((channel == CONTAINER_CHANNEL)
 			 && (!dev->fsa_dev[container].valid)) {
+#if (defined(AAC_DEBUG_INSTRUMENT_AIF_DELETE))
+				scsi_remove_device(device);
+#else
 				if (!scsi_device_online(device))
 					break;
 				scsi_device_set_state(device, SDEV_OFFLINE);
 				sdev_printk(KERN_INFO, device,
 					"Device offlined - %s\n",
 					"array failed");
+#endif
 				break;
 			}
 			scsi_rescan_device(&device->sdev_gendev);

From f70f362b4a6fe47c239dbfb3efc0cc2c10e4f09c Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 16 May 2010 23:00:00 -0400
Subject: [PATCH 1536/3638] ext4: Avoid crashing on NULL ptr dereference on a
 filesystem error

If the EOFBLOCK_FL flag is set when it should not be and the inode is
zero length, then eh_entries is zero, and ex is NULL, so dereferencing
ex to print ex->ee_block causes a kernel OOPS in
ext4_ext_map_blocks().

On top of that, the error message which is printed isn't very helpful.
So we fix this by printing something more explanatory which doesn't
involve trying to print ex->ee_block.

Addresses-Google-Bug: #2655740

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/extents.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 42d8ce91adb..e40d2b793f2 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3370,8 +3370,9 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 	 */
 	if (unlikely(path[depth].p_ext == NULL && depth != 0)) {
 		EXT4_ERROR_INODE(inode, "bad extent address "
-				 "iblock: %d, depth: %d pblock %lld",
-				 map->m_lblk, depth, path[depth].p_block);
+				 "lblock: %lu, depth: %d pblock %lld",
+				 (unsigned long) map->m_lblk, depth,
+				 path[depth].p_block);
 		err = -EIO;
 		goto out2;
 	}
@@ -3501,8 +3502,8 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 	if (unlikely(ext4_test_inode_flag(inode, EXT4_INODE_EOFBLOCKS))) {
 		if (unlikely(!eh->eh_entries)) {
 			EXT4_ERROR_INODE(inode,
-					 "eh->eh_entries == 0 ee_block %d",
-					 ex->ee_block);
+					 "eh->eh_entries == 0 and "
+					 "EOFBLOCKS_FL set");
 			err = -EIO;
 			goto out2;
 		}

From 7cc4bcc6f152d365eb27acba5dcb7b38b36b3e50 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 16:24:20 +0200
Subject: [PATCH 1537/3638] hfsplus: Push down BKL into ioctl function

HFS is one of the remaining users of the ->ioctl function, convert it
blindly to unlocked_ioctl by pushing down the BKL.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 fs/hfsplus/dir.c        |  2 +-
 fs/hfsplus/hfsplus_fs.h |  3 +--
 fs/hfsplus/inode.c      |  2 +-
 fs/hfsplus/ioctl.c      | 12 +++++++++---
 4 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 5f402367825..764fd1bdca8 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -494,7 +494,7 @@ const struct inode_operations hfsplus_dir_inode_operations = {
 const struct file_operations hfsplus_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= hfsplus_readdir,
-	.ioctl          = hfsplus_ioctl,
+	.unlocked_ioctl = hfsplus_ioctl,
 	.llseek		= generic_file_llseek,
 	.release	= hfsplus_dir_release,
 };
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index 5c10d803d9d..6505c30ad96 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -337,8 +337,7 @@ struct inode *hfsplus_new_inode(struct super_block *, int);
 void hfsplus_delete_inode(struct inode *);
 
 /* ioctl.c */
-int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
+long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 int hfsplus_setxattr(struct dentry *dentry, const char *name,
 		     const void *value, size_t size, int flags);
 ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 1bcf597c056..9bbb82924a2 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -285,7 +285,7 @@ static const struct file_operations hfsplus_file_operations = {
 	.fsync		= file_fsync,
 	.open		= hfsplus_file_open,
 	.release	= hfsplus_file_release,
-	.ioctl          = hfsplus_ioctl,
+	.unlocked_ioctl = hfsplus_ioctl,
 };
 
 struct inode *hfsplus_new_inode(struct super_block *sb, int mode)
diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c
index f457d2ca51a..ac405f09902 100644
--- a/fs/hfsplus/ioctl.c
+++ b/fs/hfsplus/ioctl.c
@@ -17,14 +17,16 @@
 #include <linux/mount.h>
 #include <linux/sched.h>
 #include <linux/xattr.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 #include "hfsplus_fs.h"
 
-int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg)
+long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
+	struct inode *inode = filp->f_path.dentry->d_inode;
 	unsigned int flags;
 
+	lock_kernel();
 	switch (cmd) {
 	case HFSPLUS_IOC_EXT2_GETFLAGS:
 		flags = 0;
@@ -38,8 +40,10 @@ int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 	case HFSPLUS_IOC_EXT2_SETFLAGS: {
 		int err = 0;
 		err = mnt_want_write(filp->f_path.mnt);
-		if (err)
+		if (err) {
+			unlock_kernel();
 			return err;
+		}
 
 		if (!is_owner_or_cap(inode)) {
 			err = -EACCES;
@@ -85,9 +89,11 @@ int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		mark_inode_dirty(inode);
 setflags_out:
 		mnt_drop_write(filp->f_path.mnt);
+		unlock_kernel();
 		return err;
 	}
 	default:
+		unlock_kernel();
 		return -ENOTTY;
 	}
 }

From 1114b68468fa2359e15c75f415793b9dd0e5d837 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 16:24:22 +0200
Subject: [PATCH 1538/3638] sn_hwperf: Kill BKL usage

This driver always gave up the BKL in its ioctl function, so just
convert it to unlocked_ioctl and remove the BKL here.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 arch/ia64/sn/kernel/sn2/sn_hwperf.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 55ac3c4e11d..d68fe0f40a0 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -30,7 +30,6 @@
 #include <linux/miscdevice.h>
 #include <linux/utsname.h>
 #include <linux/cpumask.h>
-#include <linux/smp_lock.h>
 #include <linux/nodemask.h>
 #include <linux/smp.h>
 #include <linux/mutex.h>
@@ -682,8 +681,7 @@ static int sn_hwperf_map_err(int hwperf_err)
 /*
  * ioctl for "sn_hwperf" misc device
  */
-static int
-sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
+static long sn_hwperf_ioctl(struct file *fp, u32 op, unsigned long arg)
 {
 	struct sn_hwperf_ioctl_args a;
 	struct cpuinfo_ia64 *cdata;
@@ -699,8 +697,6 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
 	int i;
 	int j;
 
-	unlock_kernel();
-
 	/* only user requests are allowed here */
 	if ((op & SN_HWPERF_OP_MASK) < 10) {
 		r = -EINVAL;
@@ -859,12 +855,11 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
 error:
 	vfree(p);
 
-	lock_kernel();
 	return r;
 }
 
 static const struct file_operations sn_hwperf_fops = {
-	.ioctl = sn_hwperf_ioctl,
+	.unlocked_ioctl = sn_hwperf_ioctl,
 };
 
 static struct miscdevice sn_hwperf_dev = {

From d5f1d54cbc1b2f320ac054b2df519dec22a27779 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 16:24:23 +0200
Subject: [PATCH 1539/3638] um/mmapper: Remove BKL usage

An empty function does not need the BKL, so just remove it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 arch/um/drivers/mmapper_kern.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index d22f9e5c0ea..7158393b679 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -46,8 +46,7 @@ static ssize_t mmapper_write(struct file *file, const char __user *buf,
 	return count;
 }
 
-static int mmapper_ioctl(struct inode *inode, struct file *file,
-			 unsigned int cmd, unsigned long arg)
+static long mmapper_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	return -ENOIOCTLCMD;
 }
@@ -90,7 +89,7 @@ static const struct file_operations mmapper_fops = {
 	.owner		= THIS_MODULE,
 	.read		= mmapper_read,
 	.write		= mmapper_write,
-	.ioctl		= mmapper_ioctl,
+	.unlocked_ioctl	= mmapper_ioctl,
 	.mmap		= mmapper_mmap,
 	.open		= mmapper_open,
 	.release	= mmapper_release,

From 977183902a52d1e0adc986f9462424db5a545044 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 16:24:24 +0200
Subject: [PATCH 1540/3638] coda/psdev: Remove BKL from ioctl function

The ioctl function returns constant results, so it obviously
does not need the BKL and can be converted to unlocked_ioctl.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 fs/coda/psdev.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index be4392ca209..66b9cf79c5b 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -73,8 +73,7 @@ static unsigned int coda_psdev_poll(struct file *file, poll_table * wait)
 	return mask;
 }
 
-static int coda_psdev_ioctl(struct inode * inode, struct file * filp, 
-			    unsigned int cmd, unsigned long arg)
+static long coda_psdev_ioctl(struct file * filp, unsigned int cmd, unsigned long arg)
 {
 	unsigned int data;
 
@@ -344,7 +343,7 @@ static const struct file_operations coda_psdev_fops = {
 	.read		= coda_psdev_read,
 	.write		= coda_psdev_write,
 	.poll		= coda_psdev_poll,
-	.ioctl		= coda_psdev_ioctl,
+	.unlocked_ioctl	= coda_psdev_ioctl,
 	.open		= coda_psdev_open,
 	.release	= coda_psdev_release,
 };

From ce8273a573918612cbd320597db3d5dd89578454 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 16:24:25 +0200
Subject: [PATCH 1541/3638] smbfs: Push down BKL into ioctl function

Converting from ->ioctl to ->unlocked_ioctl with explicit
lock_kernel lets us kill the ioctl operation.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[fixed inode reference in smb_ioctl]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 fs/smbfs/dir.c   |  2 +-
 fs/smbfs/file.c  |  2 +-
 fs/smbfs/ioctl.c | 10 ++++++----
 fs/smbfs/proto.h |  2 +-
 4 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c
index 3e4803b4427..6c978428892 100644
--- a/fs/smbfs/dir.c
+++ b/fs/smbfs/dir.c
@@ -39,7 +39,7 @@ const struct file_operations smb_dir_operations =
 {
 	.read		= generic_read_dir,
 	.readdir	= smb_readdir,
-	.ioctl		= smb_ioctl,
+	.unlocked_ioctl	= smb_ioctl,
 	.open		= smb_dir_open,
 };
 
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index dbf6548bbf0..84ecf0e43f9 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -437,7 +437,7 @@ const struct file_operations smb_file_operations =
 	.aio_read	= smb_file_aio_read,
 	.write		= do_sync_write,
 	.aio_write	= smb_file_aio_write,
-	.ioctl		= smb_ioctl,
+	.unlocked_ioctl	= smb_ioctl,
 	.mmap		= smb_file_mmap,
 	.open		= smb_file_open,
 	.release	= smb_file_release,
diff --git a/fs/smbfs/ioctl.c b/fs/smbfs/ioctl.c
index dbae1f8ea26..07215312ad3 100644
--- a/fs/smbfs/ioctl.c
+++ b/fs/smbfs/ioctl.c
@@ -13,6 +13,7 @@
 #include <linux/time.h>
 #include <linux/mm.h>
 #include <linux/highuid.h>
+#include <linux/smp_lock.h>
 #include <linux/net.h>
 
 #include <linux/smb_fs.h>
@@ -22,14 +23,14 @@
 
 #include "proto.h"
 
-int
-smb_ioctl(struct inode *inode, struct file *filp,
-	  unsigned int cmd, unsigned long arg)
+long
+smb_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct smb_sb_info *server = server_from_inode(inode);
+	struct smb_sb_info *server = server_from_inode(filp->f_path.dentry->d_inode);
 	struct smb_conn_opt opt;
 	int result = -EINVAL;
 
+	lock_kernel();
 	switch (cmd) {
 		uid16_t uid16;
 		uid_t uid32;
@@ -62,6 +63,7 @@ smb_ioctl(struct inode *inode, struct file *filp,
 	default:
 		break;
 	}
+	unlock_kernel();
 
 	return result;
 }
diff --git a/fs/smbfs/proto.h b/fs/smbfs/proto.h
index 03f456c1b7d..05939a6f43e 100644
--- a/fs/smbfs/proto.h
+++ b/fs/smbfs/proto.h
@@ -67,7 +67,7 @@ extern const struct address_space_operations smb_file_aops;
 extern const struct file_operations smb_file_operations;
 extern const struct inode_operations smb_file_inode_operations;
 /* ioctl.c */
-extern int smb_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern long smb_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 /* smbiod.c */
 extern void smbiod_wake_up(void);
 extern int smbiod_register_server(struct smb_sb_info *server);

From 16ef8def80ea97c3cacdcaa765bdf62b2d94f86d Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 00:24:00 +0200
Subject: [PATCH 1542/3638] dvb: Push down BKL into ioctl functions

This requires changing all users of dvb_usercopy to
omit the inode argument.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 drivers/media/dvb/dvb-core/dmxdev.c         | 31 +++++++++++++++------
 drivers/media/dvb/dvb-core/dvb_ca_en50221.c | 17 +++++++----
 drivers/media/dvb/dvb-core/dvb_frontend.c   | 30 ++++++++++----------
 drivers/media/dvb/dvb-core/dvb_net.c        | 15 +++++++---
 drivers/media/dvb/dvb-core/dvbdev.c         | 17 +++++++----
 drivers/media/dvb/dvb-core/dvbdev.h         | 11 +++-----
 drivers/media/dvb/firewire/firedtv-ci.c     |  5 ++--
 drivers/media/dvb/ttpci/av7110.c            |  4 +--
 drivers/media/dvb/ttpci/av7110_av.c         |  8 +++---
 drivers/media/dvb/ttpci/av7110_ca.c         |  5 ++--
 10 files changed, 85 insertions(+), 58 deletions(-)

diff --git a/drivers/media/dvb/dvb-core/dmxdev.c b/drivers/media/dvb/dvb-core/dmxdev.c
index 9ddc57909d4..425862ffb28 100644
--- a/drivers/media/dvb/dvb-core/dmxdev.c
+++ b/drivers/media/dvb/dvb-core/dmxdev.c
@@ -25,6 +25,7 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/module.h>
+#include <linux/smp_lock.h>
 #include <linux/poll.h>
 #include <linux/ioctl.h>
 #include <linux/wait.h>
@@ -963,7 +964,7 @@ dvb_demux_read(struct file *file, char __user *buf, size_t count,
 	return ret;
 }
 
-static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
+static int dvb_demux_do_ioctl(struct file *file,
 			      unsigned int cmd, void *parg)
 {
 	struct dmxdev_filter *dmxdevfilter = file->private_data;
@@ -1084,10 +1085,16 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 	return ret;
 }
 
-static int dvb_demux_ioctl(struct inode *inode, struct file *file,
-			   unsigned int cmd, unsigned long arg)
+static long dvb_demux_ioctl(struct file *file, unsigned int cmd,
+			    unsigned long arg)
 {
-	return dvb_usercopy(inode, file, cmd, arg, dvb_demux_do_ioctl);
+	int ret;
+
+	lock_kernel();
+	ret = dvb_usercopy(file, cmd, arg, dvb_demux_do_ioctl);
+	unlock_kernel();
+
+	return ret;
 }
 
 static unsigned int dvb_demux_poll(struct file *file, poll_table *wait)
@@ -1139,7 +1146,7 @@ static int dvb_demux_release(struct inode *inode, struct file *file)
 static const struct file_operations dvb_demux_fops = {
 	.owner = THIS_MODULE,
 	.read = dvb_demux_read,
-	.ioctl = dvb_demux_ioctl,
+	.unlocked_ioctl = dvb_demux_ioctl,
 	.open = dvb_demux_open,
 	.release = dvb_demux_release,
 	.poll = dvb_demux_poll,
@@ -1152,7 +1159,7 @@ static struct dvb_device dvbdev_demux = {
 	.fops = &dvb_demux_fops
 };
 
-static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
+static int dvb_dvr_do_ioctl(struct file *file,
 			    unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -1176,10 +1183,16 @@ static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
 	return ret;
 }
 
-static int dvb_dvr_ioctl(struct inode *inode, struct file *file,
+static long dvb_dvr_ioctl(struct file *file,
 			 unsigned int cmd, unsigned long arg)
 {
-	return dvb_usercopy(inode, file, cmd, arg, dvb_dvr_do_ioctl);
+	int ret;
+
+	lock_kernel();
+	ret = dvb_usercopy(file, cmd, arg, dvb_dvr_do_ioctl);
+	unlock_kernel();
+
+	return ret;
 }
 
 static unsigned int dvb_dvr_poll(struct file *file, poll_table *wait)
@@ -1208,7 +1221,7 @@ static const struct file_operations dvb_dvr_fops = {
 	.owner = THIS_MODULE,
 	.read = dvb_dvr_read,
 	.write = dvb_dvr_write,
-	.ioctl = dvb_dvr_ioctl,
+	.unlocked_ioctl = dvb_dvr_ioctl,
 	.open = dvb_dvr_open,
 	.release = dvb_dvr_release,
 	.poll = dvb_dvr_poll,
diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
index cb22da53bfb..ef259a0718a 100644
--- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
+++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
@@ -36,6 +36,7 @@
 #include <linux/delay.h>
 #include <linux/spinlock.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <linux/kthread.h>
 
 #include "dvb_ca_en50221.h"
@@ -1181,7 +1182,7 @@ static int dvb_ca_en50221_thread(void *data)
  *
  * @return 0 on success, <0 on error.
  */
-static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file,
+static int dvb_ca_en50221_io_do_ioctl(struct file *file,
 				      unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -1255,10 +1256,16 @@ static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file,
  *
  * @return 0 on success, <0 on error.
  */
-static int dvb_ca_en50221_io_ioctl(struct inode *inode, struct file *file,
-				   unsigned int cmd, unsigned long arg)
+static long dvb_ca_en50221_io_ioctl(struct file *file,
+				    unsigned int cmd, unsigned long arg)
 {
-	return dvb_usercopy(inode, file, cmd, arg, dvb_ca_en50221_io_do_ioctl);
+	int ret;
+
+	lock_kernel();
+	ret = dvb_usercopy(file, cmd, arg, dvb_ca_en50221_io_do_ioctl);
+	unlock_kernel();
+
+	return ret;
 }
 
 
@@ -1611,7 +1618,7 @@ static const struct file_operations dvb_ca_fops = {
 	.owner = THIS_MODULE,
 	.read = dvb_ca_en50221_io_read,
 	.write = dvb_ca_en50221_io_write,
-	.ioctl = dvb_ca_en50221_io_ioctl,
+	.unlocked_ioctl = dvb_ca_en50221_io_ioctl,
 	.open = dvb_ca_en50221_io_open,
 	.release = dvb_ca_en50221_io_release,
 	.poll = dvb_ca_en50221_io_poll,
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 55ea260572b..5450d1f7a53 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -36,6 +36,7 @@
 #include <linux/list.h>
 #include <linux/freezer.h>
 #include <linux/jiffies.h>
+#include <linux/smp_lock.h>
 #include <linux/kthread.h>
 #include <asm/processor.h>
 
@@ -1188,14 +1189,14 @@ static void dtv_property_cache_submit(struct dvb_frontend *fe)
 	}
 }
 
-static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl_legacy(struct file *file,
 			unsigned int cmd, void *parg);
-static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl_properties(struct file *file,
 			unsigned int cmd, void *parg);
 
 static int dtv_property_process_get(struct dvb_frontend *fe,
 				    struct dtv_property *tvp,
-				    struct inode *inode, struct file *file)
+				    struct file *file)
 {
 	int r = 0;
 
@@ -1328,7 +1329,6 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
 
 static int dtv_property_process_set(struct dvb_frontend *fe,
 				    struct dtv_property *tvp,
-				    struct inode *inode,
 				    struct file *file)
 {
 	int r = 0;
@@ -1359,7 +1359,7 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
 		dprintk("%s() Finalised property cache\n", __func__);
 		dtv_property_cache_submit(fe);
 
-		r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND,
+		r |= dvb_frontend_ioctl_legacy(file, FE_SET_FRONTEND,
 			&fepriv->parameters);
 		break;
 	case DTV_FREQUENCY:
@@ -1391,12 +1391,12 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
 		break;
 	case DTV_VOLTAGE:
 		fe->dtv_property_cache.voltage = tvp->u.data;
-		r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE,
+		r = dvb_frontend_ioctl_legacy(file, FE_SET_VOLTAGE,
 			(void *)fe->dtv_property_cache.voltage);
 		break;
 	case DTV_TONE:
 		fe->dtv_property_cache.sectone = tvp->u.data;
-		r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_TONE,
+		r = dvb_frontend_ioctl_legacy(file, FE_SET_TONE,
 			(void *)fe->dtv_property_cache.sectone);
 		break;
 	case DTV_CODE_RATE_HP:
@@ -1480,7 +1480,7 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
 	return r;
 }
 
-static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl(struct file *file,
 			unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -1502,17 +1502,17 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
 		return -ERESTARTSYS;
 
 	if ((cmd == FE_SET_PROPERTY) || (cmd == FE_GET_PROPERTY))
-		err = dvb_frontend_ioctl_properties(inode, file, cmd, parg);
+		err = dvb_frontend_ioctl_properties(file, cmd, parg);
 	else {
 		fe->dtv_property_cache.state = DTV_UNDEFINED;
-		err = dvb_frontend_ioctl_legacy(inode, file, cmd, parg);
+		err = dvb_frontend_ioctl_legacy(file, cmd, parg);
 	}
 
 	up(&fepriv->sem);
 	return err;
 }
 
-static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl_properties(struct file *file,
 			unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -1548,7 +1548,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
 		}
 
 		for (i = 0; i < tvps->num; i++) {
-			(tvp + i)->result = dtv_property_process_set(fe, tvp + i, inode, file);
+			(tvp + i)->result = dtv_property_process_set(fe, tvp + i, file);
 			err |= (tvp + i)->result;
 		}
 
@@ -1580,7 +1580,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
 		}
 
 		for (i = 0; i < tvps->num; i++) {
-			(tvp + i)->result = dtv_property_process_get(fe, tvp + i, inode, file);
+			(tvp + i)->result = dtv_property_process_get(fe, tvp + i, file);
 			err |= (tvp + i)->result;
 		}
 
@@ -1597,7 +1597,7 @@ out:
 	return err;
 }
 
-static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl_legacy(struct file *file,
 			unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -2022,7 +2022,7 @@ static int dvb_frontend_release(struct inode *inode, struct file *file)
 
 static const struct file_operations dvb_frontend_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= dvb_generic_ioctl,
+	.unlocked_ioctl	= dvb_generic_ioctl,
 	.poll		= dvb_frontend_poll,
 	.open		= dvb_frontend_open,
 	.release	= dvb_frontend_release
diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index 441c0642b30..a96eee38d60 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -59,6 +59,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/dvb/net.h>
+#include <linux/smp_lock.h>
 #include <linux/uio.h>
 #include <asm/uaccess.h>
 #include <linux/crc32.h>
@@ -1333,7 +1334,7 @@ static int dvb_net_remove_if(struct dvb_net *dvbnet, unsigned long num)
 	return 0;
 }
 
-static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
+static int dvb_net_do_ioctl(struct file *file,
 		  unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -1435,10 +1436,16 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 	return 0;
 }
 
-static int dvb_net_ioctl(struct inode *inode, struct file *file,
+static long dvb_net_ioctl(struct file *file,
 	      unsigned int cmd, unsigned long arg)
 {
-	return dvb_usercopy(inode, file, cmd, arg, dvb_net_do_ioctl);
+	int ret;
+
+	lock_kernel();
+	ret = dvb_usercopy(file, cmd, arg, dvb_net_do_ioctl);
+	unlock_kernel();
+
+	return ret;
 }
 
 static int dvb_net_close(struct inode *inode, struct file *file)
@@ -1459,7 +1466,7 @@ static int dvb_net_close(struct inode *inode, struct file *file)
 
 static const struct file_operations dvb_net_fops = {
 	.owner = THIS_MODULE,
-	.ioctl = dvb_net_ioctl,
+	.unlocked_ioctl = dvb_net_ioctl,
 	.open =	dvb_generic_open,
 	.release = dvb_net_close,
 };
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 94159b90f73..b915c39d782 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -154,10 +154,11 @@ int dvb_generic_release(struct inode *inode, struct file *file)
 EXPORT_SYMBOL(dvb_generic_release);
 
 
-int dvb_generic_ioctl(struct inode *inode, struct file *file,
-		      unsigned int cmd, unsigned long arg)
+long dvb_generic_ioctl(struct file *file,
+		       unsigned int cmd, unsigned long arg)
 {
 	struct dvb_device *dvbdev = file->private_data;
+	int ret;
 
 	if (!dvbdev)
 		return -ENODEV;
@@ -165,7 +166,11 @@ int dvb_generic_ioctl(struct inode *inode, struct file *file,
 	if (!dvbdev->kernel_ioctl)
 		return -EINVAL;
 
-	return dvb_usercopy (inode, file, cmd, arg, dvbdev->kernel_ioctl);
+	lock_kernel();
+	ret = dvb_usercopy(file, cmd, arg, dvbdev->kernel_ioctl);
+	unlock_kernel();
+
+	return ret;
 }
 EXPORT_SYMBOL(dvb_generic_ioctl);
 
@@ -377,9 +382,9 @@ EXPORT_SYMBOL(dvb_unregister_adapter);
    define this as video_usercopy(). this will introduce a dependecy
    to the v4l "videodev.o" module, which is unnecessary for some
    cards (ie. the budget dvb-cards don't need the v4l module...) */
-int dvb_usercopy(struct inode *inode, struct file *file,
+int dvb_usercopy(struct file *file,
 		     unsigned int cmd, unsigned long arg,
-		     int (*func)(struct inode *inode, struct file *file,
+		     int (*func)(struct file *file,
 		     unsigned int cmd, void *arg))
 {
 	char    sbuf[128];
@@ -416,7 +421,7 @@ int dvb_usercopy(struct inode *inode, struct file *file,
 	}
 
 	/* call driver */
-	if ((err = func(inode, file, cmd, parg)) == -ENOIOCTLCMD)
+	if ((err = func(file, cmd, parg)) == -ENOIOCTLCMD)
 		err = -EINVAL;
 
 	if (err < 0)
diff --git a/drivers/media/dvb/dvb-core/dvbdev.h b/drivers/media/dvb/dvb-core/dvbdev.h
index f7b499d4a3c..fcc6ae98745 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.h
+++ b/drivers/media/dvb/dvb-core/dvbdev.h
@@ -116,8 +116,7 @@ struct dvb_device {
 
 	wait_queue_head_t	  wait_queue;
 	/* don't really need those !? -- FIXME: use video_usercopy  */
-	int (*kernel_ioctl)(struct inode *inode, struct file *file,
-			    unsigned int cmd, void *arg);
+	int (*kernel_ioctl)(struct file *file, unsigned int cmd, void *arg);
 
 	void *priv;
 };
@@ -138,17 +137,15 @@ extern void dvb_unregister_device (struct dvb_device *dvbdev);
 
 extern int dvb_generic_open (struct inode *inode, struct file *file);
 extern int dvb_generic_release (struct inode *inode, struct file *file);
-extern int dvb_generic_ioctl (struct inode *inode, struct file *file,
+extern long dvb_generic_ioctl (struct file *file,
 			      unsigned int cmd, unsigned long arg);
 
 /* we don't mess with video_usercopy() any more,
 we simply define out own dvb_usercopy(), which will hopefully become
 generic_usercopy()  someday... */
 
-extern int dvb_usercopy(struct inode *inode, struct file *file,
-			    unsigned int cmd, unsigned long arg,
-			    int (*func)(struct inode *inode, struct file *file,
-			    unsigned int cmd, void *arg));
+extern int dvb_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
+			    int (*func)(struct file *file, unsigned int cmd, void *arg));
 
 /** generic DVB attach function. */
 #ifdef CONFIG_MEDIA_ATTACH
diff --git a/drivers/media/dvb/firewire/firedtv-ci.c b/drivers/media/dvb/firewire/firedtv-ci.c
index 853e04b7cb3..d3c2cf60de7 100644
--- a/drivers/media/dvb/firewire/firedtv-ci.c
+++ b/drivers/media/dvb/firewire/firedtv-ci.c
@@ -175,8 +175,7 @@ static int fdtv_ca_send_msg(struct firedtv *fdtv, void *arg)
 	return err;
 }
 
-static int fdtv_ca_ioctl(struct inode *inode, struct file *file,
-			    unsigned int cmd, void *arg)
+static int fdtv_ca_ioctl(struct file *file, unsigned int cmd, void *arg)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct firedtv *fdtv = dvbdev->priv;
@@ -217,7 +216,7 @@ static unsigned int fdtv_ca_io_poll(struct file *file, poll_table *wait)
 
 static const struct file_operations fdtv_ca_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= dvb_generic_ioctl,
+	.unlocked_ioctl	= dvb_generic_ioctl,
 	.open		= dvb_generic_open,
 	.release	= dvb_generic_release,
 	.poll		= fdtv_ca_io_poll,
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index 38915591c6e..a6be529eec5 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -708,7 +708,7 @@ static void gpioirq(unsigned long cookie)
 
 
 #ifdef CONFIG_DVB_AV7110_OSD
-static int dvb_osd_ioctl(struct inode *inode, struct file *file,
+static int dvb_osd_ioctl(struct file *file,
 			 unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -727,7 +727,7 @@ static int dvb_osd_ioctl(struct inode *inode, struct file *file,
 
 static const struct file_operations dvb_osd_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= dvb_generic_ioctl,
+	.unlocked_ioctl	= dvb_generic_ioctl,
 	.open		= dvb_generic_open,
 	.release	= dvb_generic_release,
 };
diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c
index 53884814161..13efba942da 100644
--- a/drivers/media/dvb/ttpci/av7110_av.c
+++ b/drivers/media/dvb/ttpci/av7110_av.c
@@ -1089,7 +1089,7 @@ static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len
 }
 
 
-static int dvb_video_ioctl(struct inode *inode, struct file *file,
+static int dvb_video_ioctl(struct file *file,
 			   unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -1297,7 +1297,7 @@ static int dvb_video_ioctl(struct inode *inode, struct file *file,
 	return ret;
 }
 
-static int dvb_audio_ioctl(struct inode *inode, struct file *file,
+static int dvb_audio_ioctl(struct file *file,
 			   unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -1517,7 +1517,7 @@ static int dvb_audio_release(struct inode *inode, struct file *file)
 static const struct file_operations dvb_video_fops = {
 	.owner		= THIS_MODULE,
 	.write		= dvb_video_write,
-	.ioctl		= dvb_generic_ioctl,
+	.unlocked_ioctl	= dvb_generic_ioctl,
 	.open		= dvb_video_open,
 	.release	= dvb_video_release,
 	.poll		= dvb_video_poll,
@@ -1535,7 +1535,7 @@ static struct dvb_device dvbdev_video = {
 static const struct file_operations dvb_audio_fops = {
 	.owner		= THIS_MODULE,
 	.write		= dvb_audio_write,
-	.ioctl		= dvb_generic_ioctl,
+	.unlocked_ioctl	= dvb_generic_ioctl,
 	.open		= dvb_audio_open,
 	.release	= dvb_audio_release,
 	.poll		= dvb_audio_poll,
diff --git a/drivers/media/dvb/ttpci/av7110_ca.c b/drivers/media/dvb/ttpci/av7110_ca.c
index ac7779c45c5..4eba35a018e 100644
--- a/drivers/media/dvb/ttpci/av7110_ca.c
+++ b/drivers/media/dvb/ttpci/av7110_ca.c
@@ -248,8 +248,7 @@ static unsigned int dvb_ca_poll (struct file *file, poll_table *wait)
 	return mask;
 }
 
-static int dvb_ca_ioctl(struct inode *inode, struct file *file,
-		 unsigned int cmd, void *parg)
+static int dvb_ca_ioctl(struct file *file, unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct av7110 *av7110 = dvbdev->priv;
@@ -350,7 +349,7 @@ static const struct file_operations dvb_ca_fops = {
 	.owner		= THIS_MODULE,
 	.read		= dvb_ca_read,
 	.write		= dvb_ca_write,
-	.ioctl		= dvb_generic_ioctl,
+	.unlocked_ioctl	= dvb_generic_ioctl,
 	.open		= dvb_ca_open,
 	.release	= dvb_generic_release,
 	.poll		= dvb_ca_poll,

From f4927c45beda9a70e5c3bda0bd9f12b4f713c00b Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 00:24:01 +0200
Subject: [PATCH 1543/3638] scsi: Push down BKL into ioctl functions

Push down the bkl into ioctl functions on the scsi layer.

[jkacur: Forward declaration missing ';'.
Conflicting declaraction in megaraid.h changed
Fixed missing inodes declarations]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 drivers/scsi/3w-9xxx.c              | 10 +++++++---
 drivers/scsi/3w-sas.c               |  8 ++++++--
 drivers/scsi/3w-xxxx.c              | 11 ++++++++---
 drivers/scsi/aacraid/linit.c        | 11 ++++++++---
 drivers/scsi/dpt_i2o.c              | 20 +++++++++++++++++---
 drivers/scsi/gdth.c                 | 20 +++++++++++++++-----
 drivers/scsi/megaraid.c             | 20 +++++++++++++++++---
 drivers/scsi/megaraid.h             |  3 +--
 drivers/scsi/megaraid/megaraid_mm.c | 22 +++++++++++++++++-----
 drivers/scsi/osst.c                 | 14 ++++++++++----
 drivers/scsi/sg.c                   | 17 ++++++++++++++---
 11 files changed, 120 insertions(+), 36 deletions(-)

diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index e9788f55ab1..4f74850560f 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -123,7 +123,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 static int twa_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
 static char *twa_aen_severity_lookup(unsigned char severity_code);
 static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id);
-static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
+static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 static int twa_chrdev_open(struct inode *inode, struct file *file);
 static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_host);
 static void twa_free_request_id(TW_Device_Extension *tw_dev,int request_id);
@@ -218,7 +218,7 @@ static struct device_attribute *twa_host_attrs[] = {
 /* File operations struct for character device */
 static const struct file_operations twa_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= twa_chrdev_ioctl,
+	.unlocked_ioctl	= twa_chrdev_ioctl,
 	.open		= twa_chrdev_open,
 	.release	= NULL
 };
@@ -635,8 +635,9 @@ out:
 } /* End twa_check_srl() */
 
 /* This function handles ioctl for the character device */
-static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
+	struct inode *inode = file->f_path.dentry->d_inode;
 	long timeout;
 	unsigned long *cpu_addr, data_buffer_length_adjusted = 0, flags = 0;
 	dma_addr_t dma_handle;
@@ -655,6 +656,8 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
 	int retval = TW_IOCTL_ERROR_OS_EFAULT;
 	void __user *argp = (void __user *)arg;
 
+	lock_kernel();
+
 	/* Only let one of these through at a time */
 	if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
 		retval = TW_IOCTL_ERROR_OS_EINTR;
@@ -874,6 +877,7 @@ out3:
 out2:
 	mutex_unlock(&tw_dev->ioctl_lock);
 out:
+	unlock_kernel();
 	return retval;
 } /* End twa_chrdev_ioctl() */
 
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index 54c5ffb1eaa..8af380951f1 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -750,19 +750,22 @@ static void twl_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_comm
 
 /* This function handles ioctl for the character device
    This interface is used by smartmontools open source software */
-static int twl_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long twl_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	long timeout;
 	unsigned long *cpu_addr, data_buffer_length_adjusted = 0, flags = 0;
 	dma_addr_t dma_handle;
 	int request_id = 0;
 	TW_Ioctl_Driver_Command driver_command;
+	struct inode *inode = file->f_dentry->d_inode;
 	TW_Ioctl_Buf_Apache *tw_ioctl;
 	TW_Command_Full *full_command_packet;
 	TW_Device_Extension *tw_dev = twl_device_extension_list[iminor(inode)];
 	int retval = -EFAULT;
 	void __user *argp = (void __user *)arg;
 
+	lock_kernel();
+
 	/* Only let one of these through at a time */
 	if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
 		retval = -EINTR;
@@ -858,6 +861,7 @@ out3:
 out2:
 	mutex_unlock(&tw_dev->ioctl_lock);
 out:
+	unlock_kernel();
 	return retval;
 } /* End twl_chrdev_ioctl() */
 
@@ -884,7 +888,7 @@ out:
 /* File operations struct for character device */
 static const struct file_operations twl_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= twl_chrdev_ioctl,
+	.unlocked_ioctl	= twl_chrdev_ioctl,
 	.open		= twl_chrdev_open,
 	.release	= NULL
 };
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 5faf903ca8c..608f3b28b25 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -880,7 +880,7 @@ static int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
 } /* End tw_allocate_memory() */
 
 /* This function handles ioctl for the character device */
-static int tw_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long tw_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	int request_id;
 	dma_addr_t dma_handle;
@@ -888,6 +888,7 @@ static int tw_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
 	unsigned long flags;
 	unsigned int data_buffer_length = 0;
 	unsigned long data_buffer_length_adjusted = 0;
+	struct inode *inode = file->f_dentry->d_inode;
 	unsigned long *cpu_addr;
 	long timeout;
 	TW_New_Ioctl *tw_ioctl;
@@ -898,9 +899,12 @@ static int tw_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
 
 	dprintk(KERN_WARNING "3w-xxxx: tw_chrdev_ioctl()\n");
 
+	lock_kernel();
 	/* Only let one of these through at a time */
-	if (mutex_lock_interruptible(&tw_dev->ioctl_lock))
+	if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
+		unlock_kernel();
 		return -EINTR;
+	}
 
 	/* First copy down the buffer length */
 	if (copy_from_user(&data_buffer_length, argp, sizeof(unsigned int)))
@@ -1029,6 +1033,7 @@ out2:
 	dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_Ioctl) - 1, cpu_addr, dma_handle);
 out:
 	mutex_unlock(&tw_dev->ioctl_lock);
+	unlock_kernel();
 	return retval;
 } /* End tw_chrdev_ioctl() */
 
@@ -1051,7 +1056,7 @@ static int tw_chrdev_open(struct inode *inode, struct file *file)
 /* File operations struct for character device */
 static const struct file_operations tw_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= tw_chrdev_ioctl,
+	.unlocked_ioctl	= tw_chrdev_ioctl,
 	.open		= tw_chrdev_open,
 	.release	= NULL
 };
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index e9373a2d14f..33898b61fdb 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -705,12 +705,17 @@ static int aac_cfg_open(struct inode *inode, struct file *file)
  *	Bugs: Needs to handle hot plugging
  */
 
-static int aac_cfg_ioctl(struct inode *inode, struct file *file,
+static long aac_cfg_ioctl(struct file *file,
 		unsigned int cmd, unsigned long arg)
 {
+	int ret;
 	if (!capable(CAP_SYS_RAWIO))
 		return -EPERM;
-	return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
+	lock_kernel();
+	ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
+	unlock_kernel();
+
+	return ret;
 }
 
 #ifdef CONFIG_COMPAT
@@ -1029,7 +1034,7 @@ ssize_t aac_get_serial_number(struct device *device, char *buf)
 
 static const struct file_operations aac_cfg_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= aac_cfg_ioctl,
+	.unlocked_ioctl	= aac_cfg_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl   = aac_compat_cfg_ioctl,
 #endif
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 0435d044c9d..b0c576f84b2 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -114,12 +114,13 @@ static int hba_count = 0;
 
 static struct class *adpt_sysfs_class;
 
+static long adpt_unlocked_ioctl(struct file *, unsigned int, unsigned long);
 #ifdef CONFIG_COMPAT
 static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long);
 #endif
 
 static const struct file_operations adpt_fops = {
-	.ioctl		= adpt_ioctl,
+	.unlocked_ioctl	= adpt_unlocked_ioctl,
 	.open		= adpt_open,
 	.release	= adpt_close,
 #ifdef CONFIG_COMPAT
@@ -2069,8 +2070,7 @@ static int adpt_system_info(void __user *buffer)
 	return 0;
 }
 
-static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
-	      ulong arg)
+static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 {
 	int minor;
 	int error = 0;
@@ -2153,6 +2153,20 @@ static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
 	return error;
 }
 
+static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg)
+{
+	struct inode *inode;
+	long ret;
+ 
+	inode = file->f_dentry->d_inode;
+ 
+	lock_kernel();
+	ret = adpt_ioctl(inode, file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 #ifdef CONFIG_COMPAT
 static long compat_adpt_ioctl(struct file *file,
 				unsigned int cmd, unsigned long arg)
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 35a4b3073ec..d3f335db3d8 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -180,8 +180,8 @@ static const char *gdth_ctr_name(gdth_ha_str *ha);
 
 static int gdth_open(struct inode *inode, struct file *filep);
 static int gdth_close(struct inode *inode, struct file *filep);
-static int gdth_ioctl(struct inode *inode, struct file *filep,
-                      unsigned int cmd, unsigned long arg);
+static long gdth_unlocked_ioctl(struct file *filep, unsigned int cmd,
+			        unsigned long arg);
 
 static void gdth_flush(gdth_ha_str *ha);
 static int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *));
@@ -369,7 +369,7 @@ MODULE_LICENSE("GPL");
 
 /* ioctl interface */
 static const struct file_operations gdth_fops = {
-    .ioctl   = gdth_ioctl,
+    .unlocked_ioctl   = gdth_unlocked_ioctl,
     .open    = gdth_open,
     .release = gdth_close,
 };
@@ -4462,8 +4462,7 @@ free_fail:
     return rc;
 }
   
-static int gdth_ioctl(struct inode *inode, struct file *filep,
-                      unsigned int cmd, unsigned long arg)
+static int gdth_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 {
     gdth_ha_str *ha; 
     Scsi_Cmnd *scp;
@@ -4611,6 +4610,17 @@ static int gdth_ioctl(struct inode *inode, struct file *filep,
     return 0;
 }
 
+static long gdth_unlocked_ioctl(struct file *file, unsigned int cmd,
+			        unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = gdth_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
 
 /* flush routine */
 static void gdth_flush(gdth_ha_str *ha)
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 4bf7edca9e6..0b6e3228610 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -91,12 +91,15 @@ static struct proc_dir_entry *mega_proc_dir_entry;
 /* For controller re-ordering */
 static struct mega_hbas mega_hbas[MAX_CONTROLLERS];
 
+static long
+megadev_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
+
 /*
  * The File Operations structure for the serial/ioctl interface of the driver
  */
 static const struct file_operations megadev_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= megadev_ioctl,
+	.unlocked_ioctl	= megadev_unlocked_ioctl,
 	.open		= megadev_open,
 };
 
@@ -3302,8 +3305,7 @@ megadev_open (struct inode *inode, struct file *filep)
  * controller.
  */
 static int
-megadev_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
-		unsigned long arg)
+megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 {
 	adapter_t	*adapter;
 	nitioctl_t	uioc;
@@ -3694,6 +3696,18 @@ freemem_and_return:
 	return 0;
 }
 
+static long
+megadev_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = megadev_ioctl(filep, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 /**
  * mega_m_to_n()
  * @arg - user address
diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h
index d310f49d077..2b4a048cadf 100644
--- a/drivers/scsi/megaraid.h
+++ b/drivers/scsi/megaraid.h
@@ -1013,8 +1013,7 @@ static void mega_8_to_40ld (mraid_inquiry *inquiry,
 		mega_inquiry3 *enquiry3, mega_product_info *);
 
 static int megadev_open (struct inode *, struct file *);
-static int megadev_ioctl (struct inode *, struct file *, unsigned int,
-		unsigned long);
+static int megadev_ioctl (struct file *, unsigned int, unsigned long);
 static int mega_m_to_n(void __user *, nitioctl_t *);
 static int mega_n_to_m(void __user *, megacmd_t *);
 
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 36e0b7d05c1..41f82f76d88 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -22,7 +22,7 @@
 
 // Entry points for char node driver
 static int mraid_mm_open(struct inode *, struct file *);
-static int mraid_mm_ioctl(struct inode *, struct file *, uint, unsigned long);
+static long mraid_mm_unlocked_ioctl(struct file *, uint, unsigned long);
 
 
 // routines to convert to and from the old the format
@@ -70,7 +70,7 @@ static wait_queue_head_t wait_q;
 
 static const struct file_operations lsi_fops = {
 	.open	= mraid_mm_open,
-	.ioctl	= mraid_mm_ioctl,
+	.unlocked_ioctl = mraid_mm_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = mraid_mm_compat_ioctl,
 #endif
@@ -110,8 +110,7 @@ mraid_mm_open(struct inode *inode, struct file *filep)
  * @arg		: user ioctl packet
  */
 static int
-mraid_mm_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
-							unsigned long arg)
+mraid_mm_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 {
 	uioc_t		*kioc;
 	char		signature[EXT_IOCTL_SIGN_SZ]	= {0};
@@ -218,6 +217,19 @@ mraid_mm_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
 	return rval;
 }
 
+static long
+mraid_mm_unlocked_ioctl(struct file *filep, unsigned int cmd,
+		        unsigned long arg)
+{
+	int err;
+
+	/* inconsistant: mraid_mm_compat_ioctl doesn't take the BKL */
+	lock_kernel();
+	err = mraid_mm_ioctl(filep, cmd, arg);
+	unlock_kernel();
+
+	return err;
+}
 
 /**
  * mraid_mm_get_adapter - Returns corresponding adapters for the mimd packet
@@ -1225,7 +1237,7 @@ mraid_mm_compat_ioctl(struct file *filep, unsigned int cmd,
 {
 	int err;
 
-	err = mraid_mm_ioctl(NULL, filep, cmd, arg);
+	err = mraid_mm_ioctl(filep, cmd, arg);
 
 	return err;
 }
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index b219118f8bd..8dbf1c3afb7 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -4932,7 +4932,7 @@ static int os_scsi_tape_close(struct inode * inode, struct file * filp)
 
 
 /* The ioctl command */
-static int osst_ioctl(struct inode * inode,struct file * file,
+static long osst_ioctl(struct file * file,
 	 unsigned int cmd_in, unsigned long arg)
 {
 	int		      i, cmd_nr, cmd_type, blk, retval = 0;
@@ -4943,8 +4943,11 @@ static int osst_ioctl(struct inode * inode,struct file * file,
 	char		    * name  = tape_name(STp);
 	void	    __user  * p     = (void __user *)arg;
 
-	if (mutex_lock_interruptible(&STp->lock))
+	lock_kernel();
+	if (mutex_lock_interruptible(&STp->lock)) {
+		unlock_kernel();
 		return -ERESTARTSYS;
+	}
 
 #if DEBUG
 	if (debugging && !STp->in_use) {
@@ -5256,12 +5259,15 @@ static int osst_ioctl(struct inode * inode,struct file * file,
 
 	mutex_unlock(&STp->lock);
 
-	return scsi_ioctl(STp->device, cmd_in, p);
+	retval = scsi_ioctl(STp->device, cmd_in, p);
+	unlock_kernel();
+	return retval;
 
 out:
 	if (SRpnt) osst_release_request(SRpnt);
 
 	mutex_unlock(&STp->lock);
+	unlock_kernel();
 
 	return retval;
 }
@@ -5613,7 +5619,7 @@ static const struct file_operations osst_fops = {
 	.owner =        THIS_MODULE,
 	.read =         osst_read,
 	.write =        osst_write,
-	.ioctl =        osst_ioctl,
+	.unlocked_ioctl = osst_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = osst_compat_ioctl,
 #endif
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index dee1c96288d..ef752b248c4 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -758,8 +758,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
 }
 
 static int
-sg_ioctl(struct inode *inode, struct file *filp,
-	 unsigned int cmd_in, unsigned long arg)
+sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
 {
 	void __user *p = (void __user *)arg;
 	int __user *ip = p;
@@ -1078,6 +1077,18 @@ sg_ioctl(struct inode *inode, struct file *filp,
 	}
 }
 
+static long
+sg_unlocked_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = sg_ioctl(filp, cmd_in, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 #ifdef CONFIG_COMPAT
 static long sg_compat_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
 {
@@ -1322,7 +1333,7 @@ static const struct file_operations sg_fops = {
 	.read = sg_read,
 	.write = sg_write,
 	.poll = sg_poll,
-	.ioctl = sg_ioctl,
+	.unlocked_ioctl = sg_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = sg_compat_ioctl,
 #endif

From 703c631ebbcadcfd861d01e697fdda7c388fec9a Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 00:24:02 +0200
Subject: [PATCH 1544/3638] isdn: Push down BKL into ioctl functions

Push down bkl into isdn ioctl functions

[fweisbec: dropped drivers/isdn/divert/divert_procfs.c
as it has been pushed down in procfs branch already]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 drivers/isdn/capi/capi.c       | 17 ++++++++++++++---
 drivers/isdn/i4l/isdn_common.c | 18 +++++++++++++++---
 drivers/isdn/mISDN/timerdev.c  | 10 ++++++----
 3 files changed, 35 insertions(+), 10 deletions(-)

diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index ee5837522f5..0cabe31f26d 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -787,8 +787,7 @@ capi_poll(struct file *file, poll_table * wait)
 }
 
 static int
-capi_ioctl(struct inode *inode, struct file *file,
-	   unsigned int cmd, unsigned long arg)
+capi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct capidev *cdev = file->private_data;
 	capi_ioctl_struct data;
@@ -981,6 +980,18 @@ register_out:
 	}
 }
 
+static long
+capi_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = capi_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static int capi_open(struct inode *inode, struct file *file)
 {
 	struct capidev *cdev;
@@ -1026,7 +1037,7 @@ static const struct file_operations capi_fops =
 	.read		= capi_read,
 	.write		= capi_write,
 	.poll		= capi_poll,
-	.ioctl		= capi_ioctl,
+	.unlocked_ioctl	= capi_unlocked_ioctl,
 	.open		= capi_open,
 	.release	= capi_release,
 };
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 70044ee4b22..a44cdb492ea 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1272,9 +1272,9 @@ isdn_poll(struct file *file, poll_table * wait)
 
 
 static int
-isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
+isdn_ioctl(struct file *file, uint cmd, ulong arg)
 {
-	uint minor = iminor(inode);
+	uint minor = iminor(file->f_path.dentry->d_inode);
 	isdn_ctrl c;
 	int drvidx;
 	int chidx;
@@ -1722,6 +1722,18 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 #undef cfg
 }
 
+static long
+isdn_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = isdn_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 /*
  * Open the device code.
  */
@@ -1838,7 +1850,7 @@ static const struct file_operations isdn_fops =
 	.read		= isdn_read,
 	.write		= isdn_write,
 	.poll		= isdn_poll,
-	.ioctl		= isdn_ioctl,
+	.unlocked_ioctl	= isdn_unlocked_ioctl,
 	.open		= isdn_open,
 	.release	= isdn_close,
 };
diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index 8785004e85e..c3243c913ec 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -24,6 +24,7 @@
 #include <linux/miscdevice.h>
 #include <linux/module.h>
 #include <linux/mISDNif.h>
+#include <linux/smp_lock.h>
 #include "core.h"
 
 static u_int	*debug;
@@ -215,9 +216,8 @@ unlock:
 	return ret;
 }
 
-static int
-mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
-    unsigned long arg)
+static long
+mISDN_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 {
 	struct mISDNtimerdev	*dev = filep->private_data;
 	int			id, tout, ret = 0;
@@ -226,6 +226,7 @@ mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
 	if (*debug & DEBUG_TIMER)
 		printk(KERN_DEBUG "%s(%p, %x, %lx)\n", __func__,
 		    filep, cmd, arg);
+	lock_kernel();
 	switch (cmd) {
 	case IMADDTIMER:
 		if (get_user(tout, (int __user *)arg)) {
@@ -257,13 +258,14 @@ mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
 	default:
 		ret = -EINVAL;
 	}
+	unlock_kernel();
 	return ret;
 }
 
 static const struct file_operations mISDN_fops = {
 	.read		= mISDN_read,
 	.poll		= mISDN_poll,
-	.ioctl		= mISDN_ioctl,
+	.unlocked_ioctl	= mISDN_ioctl,
 	.open		= mISDN_open,
 	.release	= mISDN_close,
 };

From 55929332c92e5d34d65a8f784604c92677ea3e15 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 27 Apr 2010 00:24:05 +0200
Subject: [PATCH 1545/3638] drivers: Push down BKL into various drivers

These are the last remaining device drivers using
the ->ioctl file operation in the drivers directory
(except from v4l drivers).

[fweisbec: drop i8k pushdown as it has been done from
procfs pushdown branch already]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 drivers/char/apm-emulation.c      |  8 +++---
 drivers/char/applicom.c           | 13 +++++----
 drivers/char/ds1620.c             | 16 +++++++++--
 drivers/char/dtlk.c               | 15 ++++++-----
 drivers/char/generic_nvram.c      | 17 +++++++++---
 drivers/char/genrtc.c             | 16 +++++++++--
 drivers/char/hpet.c               | 14 ++++++----
 drivers/char/ipmi/ipmi_devintf.c  | 26 ++++++++++++++----
 drivers/char/ipmi/ipmi_watchdog.c | 17 ++++++++++--
 drivers/char/nvram.c              | 10 ++++---
 drivers/char/nwflash.c            |  7 +++--
 drivers/char/raw.c                | 42 ++++++++++++++++-------------
 drivers/hwmon/fschmd.c            |  9 ++++---
 drivers/hwmon/w83793.c            | 10 ++++---
 drivers/input/misc/hp_sdc_rtc.c   | 34 +++++++++++++++++-------
 drivers/macintosh/nvram.c         |  2 +-
 drivers/macintosh/via-pmu.c       | 17 +++++++++---
 drivers/mtd/mtdchar.c             | 19 +++++++++----
 drivers/pcmcia/pcmcia_ioctl.c     | 17 +++++++++---
 drivers/rtc/rtc-m41t80.c          | 16 +++++++++--
 drivers/sbus/char/openprom.c      | 44 ++++++++++++++++++-------------
 drivers/usb/mon/mon_bin.c         | 23 +++++++++++-----
 drivers/usb/mon/mon_stat.c        |  3 ++-
 23 files changed, 280 insertions(+), 115 deletions(-)

diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index 4f568cb9af3..033e1505fca 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -265,8 +265,8 @@ static unsigned int apm_poll(struct file *fp, poll_table * wait)
  *   Only when everyone who has opened /dev/apm_bios with write permission
  *   has acknowledge does the actual suspend happen.
  */
-static int
-apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
+static long
+apm_ioctl(struct file *filp, u_int cmd, u_long arg)
 {
 	struct apm_user *as = filp->private_data;
 	int err = -EINVAL;
@@ -274,6 +274,7 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
 	if (!as->suser || !as->writer)
 		return -EPERM;
 
+	lock_kernel();
 	switch (cmd) {
 	case APM_IOC_SUSPEND:
 		mutex_lock(&state_lock);
@@ -334,6 +335,7 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
 		mutex_unlock(&state_lock);
 		break;
 	}
+	unlock_kernel();
 
 	return err;
 }
@@ -397,7 +399,7 @@ static const struct file_operations apm_bios_fops = {
 	.owner		= THIS_MODULE,
 	.read		= apm_read,
 	.poll		= apm_poll,
-	.ioctl		= apm_ioctl,
+	.unlocked_ioctl	= apm_ioctl,
 	.open		= apm_open,
 	.release	= apm_release,
 };
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index a7424bf7eac..63313a33ba5 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -26,6 +26,7 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/errno.h>
+#include <linux/smp_lock.h>
 #include <linux/miscdevice.h>
 #include <linux/pci.h>
 #include <linux/wait.h>
@@ -106,8 +107,7 @@ static unsigned int DeviceErrorCount;	/* number of device error     */
 
 static ssize_t ac_read (struct file *, char __user *, size_t, loff_t *);
 static ssize_t ac_write (struct file *, const char __user *, size_t, loff_t *);
-static int ac_ioctl(struct inode *, struct file *, unsigned int,
-		    unsigned long);
+static long ac_ioctl(struct file *, unsigned int, unsigned long);
 static irqreturn_t ac_interrupt(int, void *);
 
 static const struct file_operations ac_fops = {
@@ -115,7 +115,7 @@ static const struct file_operations ac_fops = {
 	.llseek = no_llseek,
 	.read = ac_read,
 	.write = ac_write,
-	.ioctl = ac_ioctl,
+	.unlocked_ioctl = ac_ioctl,
 };
 
 static struct miscdevice ac_miscdev = {
@@ -689,7 +689,7 @@ static irqreturn_t ac_interrupt(int vec, void *dev_instance)
 
 
 
-static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
      
 {				/* @ ADG ou ATO selon le cas */
 	int i;
@@ -711,7 +711,8 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
 		kfree(adgl);
 		return -EFAULT;
 	}
-	
+
+	lock_kernel();	
 	IndexCard = adgl->num_card-1;
 	 
 	if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) {
@@ -721,6 +722,7 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
 			warncount--;
 		}
 		kfree(adgl);
+		unlock_kernel();
 		return -EINVAL;
 	}
 
@@ -838,6 +840,7 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
 	}
 	Dummy = readb(apbs[IndexCard].RamIO + VERS);
 	kfree(adgl);
+	unlock_kernel();
 	return 0;
 }
 
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 61f0146e215..dbee8688f75 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -232,7 +232,7 @@ ds1620_read(struct file *file, char __user *buf, size_t count, loff_t *ptr)
 }
 
 static int
-ds1620_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+ds1620_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct therm therm;
 	union {
@@ -316,6 +316,18 @@ ds1620_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
 	return 0;
 }
 
+static long
+ds1620_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = ds1620_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 #ifdef THERM_USE_PROC
 static int
 proc_therm_ds1620_read(char *buf, char **start, off_t offset,
@@ -344,7 +356,7 @@ static const struct file_operations ds1620_fops = {
 	.owner		= THIS_MODULE,
 	.open		= ds1620_open,
 	.read		= ds1620_read,
-	.ioctl		= ds1620_ioctl,
+	.unlocked_ioctl	= ds1620_unlocked_ioctl,
 };
 
 static struct miscdevice ds1620_miscdev = {
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index 045c930e632..e3859d4eaea 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -93,8 +93,8 @@ static ssize_t dtlk_write(struct file *, const char __user *,
 static unsigned int dtlk_poll(struct file *, poll_table *);
 static int dtlk_open(struct inode *, struct file *);
 static int dtlk_release(struct inode *, struct file *);
-static int dtlk_ioctl(struct inode *inode, struct file *file,
-		      unsigned int cmd, unsigned long arg);
+static long dtlk_ioctl(struct file *file,
+		       unsigned int cmd, unsigned long arg);
 
 static const struct file_operations dtlk_fops =
 {
@@ -102,7 +102,7 @@ static const struct file_operations dtlk_fops =
 	.read		= dtlk_read,
 	.write		= dtlk_write,
 	.poll		= dtlk_poll,
-	.ioctl		= dtlk_ioctl,
+	.unlocked_ioctl	= dtlk_ioctl,
 	.open		= dtlk_open,
 	.release	= dtlk_release,
 };
@@ -263,10 +263,9 @@ static void dtlk_timer_tick(unsigned long data)
 	wake_up_interruptible(&dtlk_process_list);
 }
 
-static int dtlk_ioctl(struct inode *inode,
-		      struct file *file,
-		      unsigned int cmd,
-		      unsigned long arg)
+static long dtlk_ioctl(struct file *file,
+		       unsigned int cmd,
+		       unsigned long arg)
 {
 	char __user *argp = (char __user *)arg;
 	struct dtlk_settings *sp;
@@ -276,7 +275,9 @@ static int dtlk_ioctl(struct inode *inode,
 	switch (cmd) {
 
 	case DTLK_INTERROGATE:
+		lock_kernel();
 		sp = dtlk_interrogate();
+		unlock_kernel();
 		if (copy_to_user(argp, sp, sizeof(struct dtlk_settings)))
 			return -EINVAL;
 		return 0;
diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c
index fda4181b5e6..82b5a88a82d 100644
--- a/drivers/char/generic_nvram.c
+++ b/drivers/char/generic_nvram.c
@@ -19,6 +19,7 @@
 #include <linux/miscdevice.h>
 #include <linux/fcntl.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 #include <asm/nvram.h>
 #ifdef CONFIG_PPC_PMAC
@@ -84,8 +85,7 @@ static ssize_t write_nvram(struct file *file, const char __user *buf,
 	return p - buf;
 }
 
-static int nvram_ioctl(struct inode *inode, struct file *file,
-	unsigned int cmd, unsigned long arg)
+static int nvram_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	switch(cmd) {
 #ifdef CONFIG_PPC_PMAC
@@ -116,12 +116,23 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
 	return 0;
 }
 
+static long nvram_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = nvram_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 const struct file_operations nvram_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= nvram_llseek,
 	.read		= read_nvram,
 	.write		= write_nvram,
-	.ioctl		= nvram_ioctl,
+	.unlocked_ioctl	= nvram_unlocked_ioctl,
 };
 
 static struct miscdevice nvram_dev = {
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
index 31e7c91c2d9..b6c2cc167c1 100644
--- a/drivers/char/genrtc.c
+++ b/drivers/char/genrtc.c
@@ -262,7 +262,7 @@ static inline int gen_set_rtc_irq_bit(unsigned char bit)
 #endif
 }
 
-static int gen_rtc_ioctl(struct inode *inode, struct file *file,
+static int gen_rtc_ioctl(struct file *file,
 			 unsigned int cmd, unsigned long arg)
 {
 	struct rtc_time wtime;
@@ -332,6 +332,18 @@ static int gen_rtc_ioctl(struct inode *inode, struct file *file,
 	return -EINVAL;
 }
 
+static long gen_rtc_unlocked_ioctl(struct file *file, unsigned int cmd,
+				   unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = gen_rtc_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 /*
  *	We enforce only one user at a time here with the open/close.
  *	Also clear the previous interrupt data on an open, and clean
@@ -482,7 +494,7 @@ static const struct file_operations gen_rtc_fops = {
 	.read		= gen_rtc_read,
 	.poll		= gen_rtc_poll,
 #endif
-	.ioctl		= gen_rtc_ioctl,
+	.unlocked_ioctl	= gen_rtc_unlocked_ioctl,
 	.open		= gen_rtc_open,
 	.release	= gen_rtc_release,
 };
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 9ded667625a..a0a1829d319 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -431,14 +431,18 @@ static int hpet_release(struct inode *inode, struct file *file)
 
 static int hpet_ioctl_common(struct hpet_dev *, int, unsigned long, int);
 
-static int
-hpet_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-	   unsigned long arg)
+static long hpet_ioctl(struct file *file, unsigned int cmd,
+			unsigned long arg)
 {
 	struct hpet_dev *devp;
+	int ret;
 
 	devp = file->private_data;
-	return hpet_ioctl_common(devp, cmd, arg, 0);
+	lock_kernel();
+	ret = hpet_ioctl_common(devp, cmd, arg, 0);
+	unlock_kernel();
+
+	return ret;
 }
 
 static int hpet_ioctl_ieon(struct hpet_dev *devp)
@@ -654,7 +658,7 @@ static const struct file_operations hpet_fops = {
 	.llseek = no_llseek,
 	.read = hpet_read,
 	.poll = hpet_poll,
-	.ioctl = hpet_ioctl,
+	.unlocked_ioctl = hpet_ioctl,
 	.open = hpet_open,
 	.release = hpet_release,
 	.fasync = hpet_fasync,
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 65545de3dbf..d8ec92a3898 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -228,8 +228,7 @@ static int handle_send_req(ipmi_user_t     user,
 	return rv;
 }
 
-static int ipmi_ioctl(struct inode  *inode,
-		      struct file   *file,
+static int ipmi_ioctl(struct file   *file,
 		      unsigned int  cmd,
 		      unsigned long data)
 {
@@ -630,6 +629,23 @@ static int ipmi_ioctl(struct inode  *inode,
 	return rv;
 }
 
+/*
+ * Note: it doesn't make sense to take the BKL here but
+ *       not in compat_ipmi_ioctl. -arnd
+ */
+static long ipmi_unlocked_ioctl(struct file   *file,
+			        unsigned int  cmd,
+			        unsigned long data)
+{
+	int ret;
+
+	lock_kernel();
+	ret = ipmi_ioctl(file, cmd, data);
+	unlock_kernel();
+
+	return ret;
+}
+
 #ifdef CONFIG_COMPAT
 
 /*
@@ -802,7 +818,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
 		if (copy_to_user(precv64, &recv64, sizeof(recv64)))
 			return -EFAULT;
 
-		rc = ipmi_ioctl(filep->f_path.dentry->d_inode, filep,
+		rc = ipmi_ioctl(filep,
 				((cmd == COMPAT_IPMICTL_RECEIVE_MSG)
 				 ? IPMICTL_RECEIVE_MSG
 				 : IPMICTL_RECEIVE_MSG_TRUNC),
@@ -819,14 +835,14 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
 		return rc;
 	}
 	default:
-		return ipmi_ioctl(filep->f_path.dentry->d_inode, filep, cmd, arg);
+		return ipmi_ioctl(filep, cmd, arg);
 	}
 }
 #endif
 
 static const struct file_operations ipmi_fops = {
 	.owner		= THIS_MODULE,
-	.ioctl		= ipmi_ioctl,
+	.unlocked_ioctl	= ipmi_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl   = compat_ipmi_ioctl,
 #endif
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index a4d57e31f71..82bcdb262a3 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -659,7 +659,7 @@ static struct watchdog_info ident = {
 	.identity	= "IPMI"
 };
 
-static int ipmi_ioctl(struct inode *inode, struct file *file,
+static int ipmi_ioctl(struct file *file,
 		      unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
@@ -730,6 +730,19 @@ static int ipmi_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
+static long ipmi_unlocked_ioctl(struct file *file,
+				unsigned int cmd,
+				unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = ipmi_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static ssize_t ipmi_write(struct file *file,
 			  const char  __user *buf,
 			  size_t      len,
@@ -880,7 +893,7 @@ static const struct file_operations ipmi_wdog_fops = {
 	.read    = ipmi_read,
 	.poll    = ipmi_poll,
 	.write   = ipmi_write,
-	.ioctl   = ipmi_ioctl,
+	.unlocked_ioctl = ipmi_unlocked_ioctl,
 	.open    = ipmi_open,
 	.release = ipmi_close,
 	.fasync  = ipmi_fasync,
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 47e8f7b0e4c..66d2917b003 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -296,8 +296,8 @@ checksum_err:
 	return -EIO;
 }
 
-static int nvram_ioctl(struct inode *inode, struct file *file,
-					unsigned int cmd, unsigned long arg)
+static long nvram_ioctl(struct file *file, unsigned int cmd,
+			unsigned long arg)
 {
 	int i;
 
@@ -308,6 +308,7 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
 		if (!capable(CAP_SYS_ADMIN))
 			return -EACCES;
 
+		lock_kernel();
 		spin_lock_irq(&rtc_lock);
 
 		for (i = 0; i < NVRAM_BYTES; ++i)
@@ -315,6 +316,7 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
 		__nvram_set_checksum();
 
 		spin_unlock_irq(&rtc_lock);
+		unlock_kernel();
 		return 0;
 
 	case NVRAM_SETCKS:
@@ -323,9 +325,11 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
 		if (!capable(CAP_SYS_ADMIN))
 			return -EACCES;
 
+		lock_kernel();
 		spin_lock_irq(&rtc_lock);
 		__nvram_set_checksum();
 		spin_unlock_irq(&rtc_lock);
+		unlock_kernel();
 		return 0;
 
 	default:
@@ -422,7 +426,7 @@ static const struct file_operations nvram_fops = {
 	.llseek		= nvram_llseek,
 	.read		= nvram_read,
 	.write		= nvram_write,
-	.ioctl		= nvram_ioctl,
+	.unlocked_ioctl	= nvram_ioctl,
 	.open		= nvram_open,
 	.release	= nvram_release,
 };
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index f80810901db..043a1c7b86b 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -94,8 +94,9 @@ static int get_flash_id(void)
 	return c2;
 }
 
-static int flash_ioctl(struct inode *inodep, struct file *filep, unsigned int cmd, unsigned long arg)
+static long flash_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 {
+	lock_kernel();
 	switch (cmd) {
 	case CMD_WRITE_DISABLE:
 		gbWriteBase64Enable = 0;
@@ -113,8 +114,10 @@ static int flash_ioctl(struct inode *inodep, struct file *filep, unsigned int cm
 	default:
 		gbWriteBase64Enable = 0;
 		gbWriteEnable = 0;
+		unlock_kernel();
 		return -EINVAL;
 	}
+	unlock_kernel();
 	return 0;
 }
 
@@ -631,7 +634,7 @@ static const struct file_operations flash_fops =
 	.llseek		= flash_llseek,
 	.read		= flash_read,
 	.write		= flash_write,
-	.ioctl		= flash_ioctl,
+	.unlocked_ioctl	= flash_ioctl,
 };
 
 static struct miscdevice flash_miscdev =
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 8756ab0daa8..b38942f6bf3 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -121,13 +121,17 @@ static int raw_release(struct inode *inode, struct file *filp)
 /*
  * Forward ioctls to the underlying block device.
  */
-static int
-raw_ioctl(struct inode *inode, struct file *filp,
-		  unsigned int command, unsigned long arg)
+static long
+raw_ioctl(struct file *filp, unsigned int command, unsigned long arg)
 {
 	struct block_device *bdev = filp->private_data;
+	int ret;
 
-	return blkdev_ioctl(bdev, 0, command, arg);
+	lock_kernel();
+	ret = blkdev_ioctl(bdev, 0, command, arg);
+	unlock_kernel();
+
+	return ret;
 }
 
 static void bind_device(struct raw_config_request *rq)
@@ -141,13 +145,14 @@ static void bind_device(struct raw_config_request *rq)
  * Deal with ioctls against the raw-device control interface, to bind
  * and unbind other raw devices.
  */
-static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
-			unsigned int command, unsigned long arg)
+static long raw_ctl_ioctl(struct file *filp, unsigned int command,
+			  unsigned long arg)
 {
 	struct raw_config_request rq;
 	struct raw_device_data *rawdev;
 	int err = 0;
 
+	lock_kernel();
 	switch (command) {
 	case RAW_SETBIND:
 	case RAW_GETBIND:
@@ -240,25 +245,26 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
 		break;
 	}
 out:
+	unlock_kernel();
 	return err;
 }
 
 static const struct file_operations raw_fops = {
-	.read	=	do_sync_read,
-	.aio_read = 	generic_file_aio_read,
-	.write	=	do_sync_write,
-	.aio_write =	blkdev_aio_write,
-	.fsync	=	blkdev_fsync,
-	.open	=	raw_open,
-	.release=	raw_release,
-	.ioctl	=	raw_ioctl,
-	.owner	=	THIS_MODULE,
+	.read		= do_sync_read,
+	.aio_read	= generic_file_aio_read,
+	.write		= do_sync_write,
+	.aio_write	= blkdev_aio_write,
+	.fsync		= blkdev_fsync,
+	.open		= raw_open,
+	.release	= raw_release,
+	.unlocked_ioctl = raw_ioctl,
+	.owner		= THIS_MODULE,
 };
 
 static const struct file_operations raw_ctl_fops = {
-	.ioctl	=	raw_ctl_ioctl,
-	.open	=	raw_open,
-	.owner	=	THIS_MODULE,
+	.unlocked_ioctl = raw_ctl_ioctl,
+	.open		= raw_open,
+	.owner		= THIS_MODULE,
 };
 
 static struct cdev raw_cdev;
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index 0627f7a5b9b..b7ca2a9676c 100644
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -38,6 +38,7 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/smp_lock.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/sysfs.h>
@@ -847,8 +848,7 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf,
 	return count;
 }
 
-static int watchdog_ioctl(struct inode *inode, struct file *filp,
-	unsigned int cmd, unsigned long arg)
+static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	static struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
@@ -858,6 +858,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
 	int i, ret = 0;
 	struct fschmd_data *data = filp->private_data;
 
+	lock_kernel();
 	switch (cmd) {
 	case WDIOC_GETSUPPORT:
 		ident.firmware_version = data->revision;
@@ -914,7 +915,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
 	default:
 		ret = -ENOTTY;
 	}
-
+	unlock_kernel();
 	return ret;
 }
 
@@ -924,7 +925,7 @@ static const struct file_operations watchdog_fops = {
 	.open = watchdog_open,
 	.release = watchdog_release,
 	.write = watchdog_write,
-	.ioctl = watchdog_ioctl,
+	.unlocked_ioctl = watchdog_ioctl,
 };
 
 
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 612807d9715..697202e2789 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -35,6 +35,7 @@
 #include <linux/slab.h>
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
+#include <linux/smp_lock.h>
 #include <linux/hwmon-vid.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
@@ -1319,8 +1320,8 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf,
 	return count;
 }
 
-static int watchdog_ioctl(struct inode *inode, struct file *filp,
-			  unsigned int cmd, unsigned long arg)
+static long watchdog_ioctl(struct file *filp, unsigned int cmd,
+			   unsigned long arg)
 {
 	static struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING |
@@ -1332,6 +1333,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
 	int val, ret = 0;
 	struct w83793_data *data = filp->private_data;
 
+	lock_kernel();
 	switch (cmd) {
 	case WDIOC_GETSUPPORT:
 		if (!nowayout)
@@ -1385,7 +1387,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
 	default:
 		ret = -ENOTTY;
 	}
-
+	unlock_kernel();
 	return ret;
 }
 
@@ -1395,7 +1397,7 @@ static const struct file_operations watchdog_fops = {
 	.open = watchdog_open,
 	.release = watchdog_close,
 	.write = watchdog_write,
-	.ioctl = watchdog_ioctl,
+	.unlocked_ioctl = watchdog_ioctl,
 };
 
 /*
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index ad730e15afc..e00a1cc79c0 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -43,6 +43,7 @@
 #include <linux/proc_fs.h>
 #include <linux/poll.h>
 #include <linux/rtc.h>
+#include <linux/smp_lock.h>
 #include <linux/semaphore.h>
 
 MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
@@ -64,8 +65,8 @@ static DECLARE_WAIT_QUEUE_HEAD(hp_sdc_rtc_wait);
 static ssize_t hp_sdc_rtc_read(struct file *file, char __user *buf,
 			       size_t count, loff_t *ppos);
 
-static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
-			    unsigned int cmd, unsigned long arg);
+static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
+				      unsigned int cmd, unsigned long arg);
 
 static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait);
 
@@ -512,7 +513,7 @@ static int hp_sdc_rtc_read_proc(char *page, char **start, off_t off,
         return len;
 }
 
-static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file, 
+static int hp_sdc_rtc_ioctl(struct file *file, 
 			    unsigned int cmd, unsigned long arg)
 {
 #if 1
@@ -659,14 +660,27 @@ static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
 #endif
 }
 
+static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
+				      unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = hp_sdc_rtc_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
+
 static const struct file_operations hp_sdc_rtc_fops = {
-        .owner =	THIS_MODULE,
-        .llseek =	no_llseek,
-        .read =		hp_sdc_rtc_read,
-        .poll =		hp_sdc_rtc_poll,
-        .ioctl =	hp_sdc_rtc_ioctl,
-        .open =		hp_sdc_rtc_open,
-        .fasync =	hp_sdc_rtc_fasync,
+        .owner =		THIS_MODULE,
+        .llseek =		no_llseek,
+        .read =			hp_sdc_rtc_read,
+        .poll =			hp_sdc_rtc_poll,
+        .unlocked_ioctl = 	hp_sdc_rtc_ioctl,
+        .open =			hp_sdc_rtc_open,
+        .fasync =		hp_sdc_rtc_fasync,
 };
 
 static struct miscdevice hp_sdc_rtc_dev = {
diff --git a/drivers/macintosh/nvram.c b/drivers/macintosh/nvram.c
index c876349c32d..a271c8218d8 100644
--- a/drivers/macintosh/nvram.c
+++ b/drivers/macintosh/nvram.c
@@ -100,7 +100,7 @@ const struct file_operations nvram_fops = {
 	.llseek		= nvram_llseek,
 	.read		= read_nvram,
 	.write		= write_nvram,
-	.ioctl		= nvram_ioctl,
+	.unlocked_ioctl	= nvram_ioctl,
 };
 
 static struct miscdevice nvram_dev = {
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 42764849eb7..3d4fc0f7b00 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -2273,8 +2273,7 @@ static int register_pmu_pm_ops(void)
 device_initcall(register_pmu_pm_ops);
 #endif
 
-static int
-pmu_ioctl(struct inode * inode, struct file *filp,
+static int pmu_ioctl(struct file *filp,
 		     u_int cmd, u_long arg)
 {
 	__u32 __user *argp = (__u32 __user *)arg;
@@ -2337,11 +2336,23 @@ pmu_ioctl(struct inode * inode, struct file *filp,
 	return error;
 }
 
+static long pmu_unlocked_ioctl(struct file *filp,
+			       u_int cmd, u_long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = pmu_ioctl(filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static const struct file_operations pmu_device_fops = {
 	.read		= pmu_read,
 	.write		= pmu_write,
 	.poll		= pmu_fpoll,
-	.ioctl		= pmu_ioctl,
+	.unlocked_ioctl	= pmu_unlocked_ioctl,
 	.open		= pmu_open,
 	.release	= pmu_release,
 };
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 5b081cb8435..6749c2f9634 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -450,8 +450,7 @@ static int mtd_do_readoob(struct mtd_info *mtd, uint64_t start,
 	return ret;
 }
 
-static int mtd_ioctl(struct inode *inode, struct file *file,
-		     u_int cmd, u_long arg)
+static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
 {
 	struct mtd_file_info *mfi = file->private_data;
 	struct mtd_info *mtd = mfi->mtd;
@@ -822,6 +821,17 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 	return ret;
 } /* memory_ioctl */
 
+static long mtd_unlocked_ioctl(struct file *file, u_int cmd, u_long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = mtd_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 #ifdef CONFIG_COMPAT
 
 struct mtd_oob_buf32 {
@@ -836,7 +846,6 @@ struct mtd_oob_buf32 {
 static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
 	unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
 	struct mtd_file_info *mfi = file->private_data;
 	struct mtd_info *mtd = mfi->mtd;
 	void __user *argp = compat_ptr(arg);
@@ -874,7 +883,7 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
 		break;
 	}
 	default:
-		ret = mtd_ioctl(inode, file, cmd, (unsigned long)argp);
+		ret = mtd_ioctl(file, cmd, (unsigned long)argp);
 	}
 
 	unlock_kernel();
@@ -942,7 +951,7 @@ static const struct file_operations mtd_fops = {
 	.llseek		= mtd_lseek,
 	.read		= mtd_read,
 	.write		= mtd_write,
-	.ioctl		= mtd_ioctl,
+	.unlocked_ioctl	= mtd_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= mtd_compat_ioctl,
 #endif
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 7631faa0cad..838bbf6bca8 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -818,8 +818,7 @@ static u_int ds_poll(struct file *file, poll_table *wait)
 
 /*====================================================================*/
 
-static int ds_ioctl(struct inode *inode, struct file *file,
-		    u_int cmd, u_long arg)
+static int ds_ioctl(struct file *file, u_int cmd, u_long arg)
 {
     struct pcmcia_socket *s;
     void __user *uarg = (char __user *)arg;
@@ -1026,13 +1025,25 @@ free_out:
     return err;
 } /* ds_ioctl */
 
+static long ds_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = ds_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
+
 /*====================================================================*/
 
 static const struct file_operations ds_fops = {
 	.owner		= THIS_MODULE,
 	.open		= ds_open,
 	.release	= ds_release,
-	.ioctl		= ds_ioctl,
+	.unlocked_ioctl	= ds_unlocked_ioctl,
 	.read		= ds_read,
 	.write		= ds_write,
 	.poll		= ds_poll,
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 60fe266f0f4..038095d9997 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -623,7 +623,7 @@ static ssize_t wdt_read(struct file *file, char __user *buf,
  *	according to their available features. We only actually usefully support
  *	querying capabilities and current status.
  */
-static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+static int wdt_ioctl(struct file *file, unsigned int cmd,
 		     unsigned long arg)
 {
 	int new_margin, rv;
@@ -676,6 +676,18 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	return -ENOTTY;
 }
 
+static long wdt_unlocked_ioctl(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = wdt_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 /**
  *	wdt_open:
  *	@inode: inode of device
@@ -736,7 +748,7 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
 static const struct file_operations wdt_fops = {
 	.owner	= THIS_MODULE,
 	.read	= wdt_read,
-	.ioctl	= wdt_ioctl,
+	.unlocked_ioctl = wdt_unlocked_ioctl,
 	.write	= wdt_write,
 	.open	= wdt_open,
 	.release = wdt_release,
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index fc2f676e984..d53e62ab09d 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -298,9 +298,9 @@ static int opromgetbootargs(void __user *argp, struct openpromio *op, int bufsiz
 /*
  *	SunOS and Solaris /dev/openprom ioctl calls.
  */
-static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
-				unsigned int cmd, unsigned long arg,
-				struct device_node *dp)
+static long openprom_sunos_ioctl(struct file * file,
+				 unsigned int cmd, unsigned long arg,
+				 struct device_node *dp)
 {
 	DATA *data = file->private_data;
 	struct openpromio *opp = NULL;
@@ -316,6 +316,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 	if (bufsize < 0)
 		return bufsize;
 
+	lock_kernel();
+
 	switch (cmd) {
 	case OPROMGETOPT:
 	case OPROMGETPROP:
@@ -365,6 +367,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 	}
 
 	kfree(opp);
+	unlock_kernel();
+
 	return error;
 }
 
@@ -547,13 +551,14 @@ static int opiocgetnext(unsigned int cmd, void __user *argp)
 	return 0;
 }
 
-static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
+static int openprom_bsd_ioctl(struct file * file,
 			      unsigned int cmd, unsigned long arg)
 {
 	DATA *data = (DATA *) file->private_data;
 	void __user *argp = (void __user *)arg;
 	int err;
 
+	lock_kernel();
 	switch (cmd) {
 	case OPIOCGET:
 		err = opiocget(argp, data);
@@ -570,10 +575,10 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 	case OPIOCGETOPTNODE:
 		BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
 
+		err = 0;
 		if (copy_to_user(argp, &options_node->phandle, sizeof(phandle)))
-			return -EFAULT;
-
-		return 0;
+			err = -EFAULT;
+		break;
 
 	case OPIOCGETNEXT:
 	case OPIOCGETCHILD:
@@ -581,9 +586,10 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 		break;
 
 	default:
-		return -EINVAL;
-
+		err = -EINVAL;
+		break;
 	};
+	unlock_kernel();
 
 	return err;
 }
@@ -592,8 +598,8 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 /*
  *	Handoff control to the correct ioctl handler.
  */
-static int openprom_ioctl(struct inode * inode, struct file * file,
-			  unsigned int cmd, unsigned long arg)
+static long openprom_ioctl(struct file * file,
+			   unsigned int cmd, unsigned long arg)
 {
 	DATA *data = (DATA *) file->private_data;
 
@@ -602,14 +608,14 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
 	case OPROMNXTOPT:
 		if ((file->f_mode & FMODE_READ) == 0)
 			return -EPERM;
-		return openprom_sunos_ioctl(inode, file, cmd, arg,
+		return openprom_sunos_ioctl(file, cmd, arg,
 					    options_node);
 
 	case OPROMSETOPT:
 	case OPROMSETOPT2:
 		if ((file->f_mode & FMODE_WRITE) == 0)
 			return -EPERM;
-		return openprom_sunos_ioctl(inode, file, cmd, arg,
+		return openprom_sunos_ioctl(file, cmd, arg,
 					    options_node);
 
 	case OPROMNEXT:
@@ -618,7 +624,7 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
 	case OPROMNXTPROP:
 		if ((file->f_mode & FMODE_READ) == 0)
 			return -EPERM;
-		return openprom_sunos_ioctl(inode, file, cmd, arg,
+		return openprom_sunos_ioctl(file, cmd, arg,
 					    data->current_node);
 
 	case OPROMU2P:
@@ -630,7 +636,7 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
 	case OPROMPATH2NODE:
 		if ((file->f_mode & FMODE_READ) == 0)
 			return -EPERM;
-		return openprom_sunos_ioctl(inode, file, cmd, arg, NULL);
+		return openprom_sunos_ioctl(file, cmd, arg, NULL);
 
 	case OPIOCGET:
 	case OPIOCNEXTPROP:
@@ -639,12 +645,12 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
 	case OPIOCGETCHILD:
 		if ((file->f_mode & FMODE_READ) == 0)
 			return -EBADF;
-		return openprom_bsd_ioctl(inode,file,cmd,arg);
+		return openprom_bsd_ioctl(file,cmd,arg);
 
 	case OPIOCSET:
 		if ((file->f_mode & FMODE_WRITE) == 0)
 			return -EBADF;
-		return openprom_bsd_ioctl(inode,file,cmd,arg);
+		return openprom_bsd_ioctl(file,cmd,arg);
 
 	default:
 		return -EINVAL;
@@ -676,7 +682,7 @@ static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
 	case OPROMSETCUR:
 	case OPROMPCI2NODE:
 	case OPROMPATH2NODE:
-		rval = openprom_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
+		rval = openprom_ioctl(file, cmd, arg);
 		break;
 	}
 
@@ -709,7 +715,7 @@ static int openprom_release(struct inode * inode, struct file * file)
 static const struct file_operations openprom_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	no_llseek,
-	.ioctl =	openprom_ioctl,
+	.unlocked_ioctl = openprom_ioctl,
 	.compat_ioctl =	openprom_compat_ioctl,
 	.open =		openprom_open,
 	.release =	openprom_release,
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index ddf7f9a1b33..55947725f60 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -954,8 +954,7 @@ static int mon_bin_queued(struct mon_reader_bin *rp)
 
 /*
  */
-static int mon_bin_ioctl(struct inode *inode, struct file *file,
-    unsigned int cmd, unsigned long arg)
+static int mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct mon_reader_bin *rp = file->private_data;
 	// struct mon_bus* mbus = rp->r.m_bus;
@@ -1095,6 +1094,19 @@ static int mon_bin_ioctl(struct inode *inode, struct file *file,
 	return ret;
 }
 
+static long mon_bin_unlocked_ioctl(struct file *file, unsigned int cmd,
+				   unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = mon_bin_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
+
 #ifdef CONFIG_COMPAT
 static long mon_bin_compat_ioctl(struct file *file,
     unsigned int cmd, unsigned long arg)
@@ -1148,14 +1160,13 @@ static long mon_bin_compat_ioctl(struct file *file,
 		return 0;
 
 	case MON_IOCG_STATS:
-		return mon_bin_ioctl(NULL, file, cmd,
-					    (unsigned long) compat_ptr(arg));
+		return mon_bin_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
 
 	case MON_IOCQ_URB_LEN:
 	case MON_IOCQ_RING_SIZE:
 	case MON_IOCT_RING_SIZE:
 	case MON_IOCH_MFLUSH:
-		return mon_bin_ioctl(NULL, file, cmd, arg);
+		return mon_bin_ioctl(file, cmd, arg);
 
 	default:
 		;
@@ -1239,7 +1250,7 @@ static const struct file_operations mon_fops_binary = {
 	.read =		mon_bin_read,
 	/* .write =	mon_text_write, */
 	.poll =		mon_bin_poll,
-	.ioctl =	mon_bin_ioctl,
+	.unlocked_ioctl = mon_bin_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl =	mon_bin_compat_ioctl,
 #endif
diff --git a/drivers/usb/mon/mon_stat.c b/drivers/usb/mon/mon_stat.c
index 1becdc3837e..8ec94f15a73 100644
--- a/drivers/usb/mon/mon_stat.c
+++ b/drivers/usb/mon/mon_stat.c
@@ -11,6 +11,7 @@
 #include <linux/slab.h>
 #include <linux/usb.h>
 #include <linux/fs.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 
 #include "usb_mon.h"
@@ -63,6 +64,6 @@ const struct file_operations mon_fops_stat = {
 	.read =		mon_stat_read,
 	/* .write =	mon_stat_write, */
 	/* .poll =		mon_stat_poll, */
-	/* .ioctl =	mon_stat_ioctl, */
+	/* .unlocked_ioctl =	mon_stat_ioctl, */
 	.release =	mon_stat_release,
 };

From 2ff82f852189226cda3cb192985a4a7fc750ab26 Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@redhat.com>
Date: Wed, 5 May 2010 15:15:34 +0200
Subject: [PATCH 1546/3638] coda: BKL ioctl pushdown

Convert coda_pioctl to an unlocked_ioctl pushing down the BKL
into it.

Signed-off-by: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 fs/coda/pioctl.c | 41 ++++++++++++++++++++++++-----------------
 1 file changed, 24 insertions(+), 17 deletions(-)

diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index 773f2ce9aa0..96ace2ce7e6 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -23,10 +23,12 @@
 #include <linux/coda_fs_i.h>
 #include <linux/coda_psdev.h>
 
+#include <linux/smp_lock.h>
+
 /* pioctl ops */
 static int coda_ioctl_permission(struct inode *inode, int mask);
-static int coda_pioctl(struct inode * inode, struct file * filp, 
-                       unsigned int cmd, unsigned long user_data);
+static long coda_pioctl(struct file *filp, unsigned int cmd,
+			unsigned long user_data);
 
 /* exported from this file */
 const struct inode_operations coda_ioctl_inode_operations =
@@ -37,7 +39,7 @@ const struct inode_operations coda_ioctl_inode_operations =
 
 const struct file_operations coda_ioctl_operations = {
 	.owner		= THIS_MODULE,
-	.ioctl		= coda_pioctl,
+	.unlocked_ioctl	= coda_pioctl,
 };
 
 /* the coda pioctl inode ops */
@@ -46,40 +48,43 @@ static int coda_ioctl_permission(struct inode *inode, int mask)
 	return (mask & MAY_EXEC) ? -EACCES : 0;
 }
 
-static int coda_pioctl(struct inode * inode, struct file * filp, 
-                       unsigned int cmd, unsigned long user_data)
+static long coda_pioctl(struct file *filp, unsigned int cmd,
+			unsigned long user_data)
 {
 	struct path path;
         int error;
 	struct PioctlData data;
+	struct inode *inode = filp->f_dentry->d_inode;
         struct inode *target_inode = NULL;
         struct coda_inode_info *cnp;
 
+	lock_kernel();
+
         /* get the Pioctl data arguments from user space */
         if (copy_from_user(&data, (void __user *)user_data, sizeof(data))) {
-	    return -EINVAL;
+		error = -EINVAL;
+		goto out;
 	}
        
         /* 
          * Look up the pathname. Note that the pathname is in 
          * user memory, and namei takes care of this
          */
-        if (data.follow) {
+	if (data.follow)
                 error = user_path(data.path, &path);
-	} else {
+	else
 	        error = user_lpath(data.path, &path);
-	}
-		
-	if ( error ) {
-		return error;
-        } else {
+
+	if (error)
+		goto out;
+	else
 		target_inode = path.dentry->d_inode;
-	}
-	
+
 	/* return if it is not a Coda inode */
 	if ( target_inode->i_sb != inode->i_sb ) {
 		path_put(&path);
-	        return  -EINVAL;
+		error = -EINVAL;
+		goto out;
 	}
 
 	/* now proceed to make the upcall */
@@ -88,6 +93,8 @@ static int coda_pioctl(struct inode * inode, struct file * filp,
 	error = venus_pioctl(inode->i_sb, &(cnp->c_fid), cmd, &data);
 
 	path_put(&path);
+
+out:
+	unlock_kernel();
         return error;
 }
-

From 1977bb2ed8ffdd161fe1c9eef1f9fd283e41d4b5 Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@redhat.com>
Date: Wed, 5 May 2010 15:15:35 +0200
Subject: [PATCH 1547/3638] coda: Clean-up whitespace problems in pioctl.c

Signed-off-by: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 fs/coda/pioctl.c | 35 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 18 deletions(-)

diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index 96ace2ce7e6..ca25d96d45c 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -1,6 +1,6 @@
 /*
  * Pioctl operations for Coda.
- * Original version: (C) 1996 Peter Braam 
+ * Original version: (C) 1996 Peter Braam
  * Rewritten for Linux 2.1: (C) 1997 Carnegie Mellon University
  *
  * Carnegie Mellon encourages users of this code to contribute improvements
@@ -31,8 +31,7 @@ static long coda_pioctl(struct file *filp, unsigned int cmd,
 			unsigned long user_data);
 
 /* exported from this file */
-const struct inode_operations coda_ioctl_inode_operations =
-{
+const struct inode_operations coda_ioctl_inode_operations = {
 	.permission	= coda_ioctl_permission,
 	.setattr	= coda_setattr,
 };
@@ -52,28 +51,28 @@ static long coda_pioctl(struct file *filp, unsigned int cmd,
 			unsigned long user_data)
 {
 	struct path path;
-        int error;
+	int error;
 	struct PioctlData data;
 	struct inode *inode = filp->f_dentry->d_inode;
-        struct inode *target_inode = NULL;
-        struct coda_inode_info *cnp;
+	struct inode *target_inode = NULL;
+	struct coda_inode_info *cnp;
 
 	lock_kernel();
 
-        /* get the Pioctl data arguments from user space */
-        if (copy_from_user(&data, (void __user *)user_data, sizeof(data))) {
+	/* get the Pioctl data arguments from user space */
+	if (copy_from_user(&data, (void __user *)user_data, sizeof(data))) {
 		error = -EINVAL;
 		goto out;
 	}
-       
-        /* 
-         * Look up the pathname. Note that the pathname is in 
-         * user memory, and namei takes care of this
-         */
+
+	/*
+	 * Look up the pathname. Note that the pathname is in
+	 * user memory, and namei takes care of this
+	 */
 	if (data.follow)
-                error = user_path(data.path, &path);
+		error = user_path(data.path, &path);
 	else
-	        error = user_lpath(data.path, &path);
+		error = user_lpath(data.path, &path);
 
 	if (error)
 		goto out;
@@ -81,14 +80,14 @@ static long coda_pioctl(struct file *filp, unsigned int cmd,
 		target_inode = path.dentry->d_inode;
 
 	/* return if it is not a Coda inode */
-	if ( target_inode->i_sb != inode->i_sb ) {
+	if (target_inode->i_sb != inode->i_sb) {
 		path_put(&path);
 		error = -EINVAL;
 		goto out;
 	}
 
 	/* now proceed to make the upcall */
-        cnp = ITOC(target_inode);
+	cnp = ITOC(target_inode);
 
 	error = venus_pioctl(inode->i_sb, &(cnp->c_fid), cmd, &data);
 
@@ -96,5 +95,5 @@ static long coda_pioctl(struct file *filp, unsigned int cmd,
 
 out:
 	unlock_kernel();
-        return error;
+	return error;
 }

From 93d84b6d99f5ddb911b318990c759a0fefa0f7ea Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@redhat.com>
Date: Wed, 5 May 2010 15:15:37 +0200
Subject: [PATCH 1548/3638] ncpfs: BKL ioctl pushdown

Convert ncp_ioctl to an unlocked_ioctl and push down the bkl into it.

Signed-off-by: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Petr Vandrovec <vandrove@vc.cvut.cz>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 fs/ncpfs/dir.c         |  2 +-
 fs/ncpfs/file.c        |  2 +-
 fs/ncpfs/ioctl.c       | 27 ++++++++++++++++-----------
 include/linux/ncp_fs.h |  2 +-
 4 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 7edfcd4d5e5..92dde6f8d89 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -51,7 +51,7 @@ const struct file_operations ncp_dir_operations =
 {
 	.read		= generic_read_dir,
 	.readdir	= ncp_readdir,
-	.ioctl		= ncp_ioctl,
+	.unlocked_ioctl	= ncp_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= ncp_compat_ioctl,
 #endif
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
index 1daabb90e0a..b9387089289 100644
--- a/fs/ncpfs/file.c
+++ b/fs/ncpfs/file.c
@@ -295,7 +295,7 @@ const struct file_operations ncp_file_operations =
 	.llseek 	= ncp_remote_llseek,
 	.read		= ncp_file_read,
 	.write		= ncp_file_write,
-	.ioctl		= ncp_ioctl,
+	.unlocked_ioctl	= ncp_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= ncp_compat_ioctl,
 #endif
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 60a5e2864ea..023c03d0207 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -20,6 +20,7 @@
 #include <linux/smp_lock.h>
 #include <linux/vmalloc.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 
 #include <linux/ncp_fs.h>
 
@@ -261,9 +262,9 @@ ncp_get_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
 }
 #endif /* CONFIG_NCPFS_NLS */
 
-static int __ncp_ioctl(struct inode *inode, struct file *filp,
-	      unsigned int cmd, unsigned long arg)
+static long __ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
+	struct inode *inode = filp->f_dentry->d_inode;
 	struct ncp_server *server = NCP_SERVER(inode);
 	int result;
 	struct ncp_ioctl_request request;
@@ -841,11 +842,11 @@ static int ncp_ioctl_need_write(unsigned int cmd)
 	}
 }
 
-int ncp_ioctl(struct inode *inode, struct file *filp,
-	      unsigned int cmd, unsigned long arg)
+long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	int ret;
+	long ret;
 
+	lock_kernel();
 	if (ncp_ioctl_need_write(cmd)) {
 		/*
 		 * inside the ioctl(), any failures which
@@ -853,24 +854,28 @@ int ncp_ioctl(struct inode *inode, struct file *filp,
 		 * -EACCESS, so it seems consistent to keep
 		 *  that here.
 		 */
-		if (mnt_want_write(filp->f_path.mnt))
-			return -EACCES;
+		if (mnt_want_write(filp->f_path.mnt)) {
+			ret = -EACCES;
+			goto out;
+		}
 	}
-	ret = __ncp_ioctl(inode, filp, cmd, arg);
+	ret = __ncp_ioctl(filp, cmd, arg);
 	if (ncp_ioctl_need_write(cmd))
 		mnt_drop_write(filp->f_path.mnt);
+
+out:
+	unlock_kernel();
 	return ret;
 }
 
 #ifdef CONFIG_COMPAT
 long ncp_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
-	int ret;
+	long ret;
 
 	lock_kernel();
 	arg = (unsigned long) compat_ptr(arg);
-	ret = ncp_ioctl(inode, file, cmd, arg);
+	ret = ncp_ioctl(file, cmd, arg);
 	unlock_kernel();
 	return ret;
 }
diff --git a/include/linux/ncp_fs.h b/include/linux/ncp_fs.h
index 30b06c89394..4522aed0090 100644
--- a/include/linux/ncp_fs.h
+++ b/include/linux/ncp_fs.h
@@ -210,7 +210,7 @@ int ncp_date_dos2unix(__le16 time, __le16 date);
 void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
 
 /* linux/fs/ncpfs/ioctl.c */
-int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+long ncp_ioctl(struct file *, unsigned int, unsigned long);
 long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);
 
 /* linux/fs/ncpfs/sock.c */

From d6c89d9aca0933d90ab926bf448b32f24a163792 Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@redhat.com>
Date: Fri, 7 May 2010 17:34:28 +0200
Subject: [PATCH 1549/3638] uml: Convert to unlocked_ioctls to remove implicit
 BKL

Convert hostaudio_ioctl and hostmixer_ioctl_mixdev to
unlocked_ioctl without pushdown.

There is nothing to protect inside, the synchronization
is made from the host already.

Signed-off-by: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 arch/um/drivers/hostaudio_kern.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index 368219cc236..ae42695c359 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -136,7 +136,7 @@ static unsigned int hostaudio_poll(struct file *file,
 	return mask;
 }
 
-static int hostaudio_ioctl(struct inode *inode, struct file *file,
+static long hostaudio_ioctl(struct file *file,
 			   unsigned int cmd, unsigned long arg)
 {
 	struct hostaudio_state *state = file->private_data;
@@ -223,7 +223,7 @@ static int hostaudio_release(struct inode *inode, struct file *file)
 
 /* /dev/mixer file operations */
 
-static int hostmixer_ioctl_mixdev(struct inode *inode, struct file *file,
+static long hostmixer_ioctl_mixdev(struct file *file,
 				  unsigned int cmd, unsigned long arg)
 {
 	struct hostmixer_state *state = file->private_data;
@@ -289,7 +289,7 @@ static const struct file_operations hostaudio_fops = {
 	.read           = hostaudio_read,
 	.write          = hostaudio_write,
 	.poll           = hostaudio_poll,
-	.ioctl          = hostaudio_ioctl,
+	.unlocked_ioctl	= hostaudio_ioctl,
 	.mmap           = NULL,
 	.open           = hostaudio_open,
 	.release        = hostaudio_release,
@@ -298,7 +298,7 @@ static const struct file_operations hostaudio_fops = {
 static const struct file_operations hostmixer_fops = {
 	.owner          = THIS_MODULE,
 	.llseek         = no_llseek,
-	.ioctl          = hostmixer_ioctl_mixdev,
+	.unlocked_ioctl	= hostmixer_ioctl_mixdev,
 	.open           = hostmixer_open_mixdev,
 	.release        = hostmixer_release,
 };

From 786ec7915e530936b9eb2e3d12274145cab7aa7d Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 17 May 2010 00:00:00 -0400
Subject: [PATCH 1550/3638] ext4: Clear the EXT4_EOFBLOCKS_FL flag only when
 warranted

Dimitry Monakhov discovered an edge case where it was possible for the
EXT4_EOFBLOCKS_FL flag could get cleared unnecessarily.  This is true;
I have a test case that can be exercised via downloading and
decompressing the file:

wget ftp://ftp.kernel.org/pub/linux/kernel/people/tytso/ext4-testcases/eofblocks-fl-test-case.img.bz2
bunzip2 eofblocks-fl-test-case.img
dd if=/dev/zero of=eofblocks-fl-test-case.img bs=1k seek=17925 bs=1k count=1 conv=notrunc

However, triggering it in real life is highly unlikely since it
requires an extremely fragmented sparse file with a hole in exactly
the right place in the extent tree.  (It actually took quite a bit of
work to generate this test case.)  Still, it's nice to get even
extreme corner cases to be correct, so this patch makes sure that we
don't clear the EXT4_EOFBLOCKS_FL incorrectly even in this corner
case.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/extents.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index e40d2b793f2..ffcaa1137de 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3319,7 +3319,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 	struct ext4_extent_header *eh;
 	struct ext4_extent newex, *ex, *last_ex;
 	ext4_fsblk_t newblock;
-	int err = 0, depth, ret, cache_type;
+	int i, err = 0, depth, ret, cache_type;
 	unsigned int allocated = 0;
 	struct ext4_allocation_request ar;
 	ext4_io_end_t *io = EXT4_I(inode)->cur_aio_dio;
@@ -3508,8 +3508,20 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 			goto out2;
 		}
 		last_ex = EXT_LAST_EXTENT(eh);
-		if (map->m_lblk + ar.len > le32_to_cpu(last_ex->ee_block)
-		    + ext4_ext_get_actual_len(last_ex))
+		/*
+		 * If the current leaf block was reached by looking at
+		 * the last index block all the way down the tree, and
+		 * we are extending the inode beyond the last extent
+		 * in the current leaf block, then clear the
+		 * EOFBLOCKS_FL flag.
+		 */
+		for (i = depth-1; i >= 0; i--) {
+			if (path[i].p_idx != EXT_LAST_INDEX(path[i].p_hdr))
+				break;
+		}
+		if ((i < 0) &&
+		    (map->m_lblk + ar.len > le32_to_cpu(last_ex->ee_block) +
+		     ext4_ext_get_actual_len(last_ex)))
 			ext4_clear_inode_flag(inode, EXT4_INODE_EOFBLOCKS);
 	}
 	err = ext4_ext_insert_extent(handle, inode, path, &newex, flags);

From ef2f80ff7325b2c1888ff02ead28957b5840bf51 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 17 May 2010 11:27:00 +1000
Subject: [PATCH 1551/3638] md/linear: avoid possible oops and array stop

Since commit ef286f6fa673cd7fb367e1b145069d8dbfcc6081
it has been important that each personality clears
->private in the ->stop() function, or sets it to a
attribute group to be removed.
linear.c doesn't.  This can sometimes lead to an oops,
though it doesn't always.

Suitable for 2.6.33-stable and 2.6.34.

Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@kernel.org
---
 drivers/md/linear.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index bb2a23159b2..9db8ee0614a 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -281,6 +281,7 @@ static int linear_stop (mddev_t *mddev)
 	rcu_barrier();
 	blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
 	kfree(conf);
+	mddev->private = NULL;
 
 	return 0;
 }

From b6eb127d274385d81ce8dd45c98190f097bce1b4 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 15 Apr 2010 10:13:47 +1000
Subject: [PATCH 1552/3638] md: remove unneeded sysfs files more promptly

When an array is stopped we need to remove some
sysfs files which are dependent on the type of array.

We need to delay that deletion as deleting them while holding
reconfig_mutex can lead to deadlocks.

We currently delay them until the array is completely destroyed.
However it is possible to deactivate and then reactivate the array.
It is also possible to need to remove sysfs files when changing level,
which can potentially happen several times before an array is
destroyed.

So we need to delete these files more promptly: as soon as
reconfig_mutex is dropped.

We need to ensure this happens before do_md_run can restart the array,
so we use open_mutex for some extra locking.  This is not deadlock
prone.

Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 41 +++++++++++++++++++++++++++++++----------
 1 file changed, 31 insertions(+), 10 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 08f665178c3..edf777f6fe5 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -507,9 +507,32 @@ static inline int mddev_trylock(mddev_t * mddev)
 	return mutex_trylock(&mddev->reconfig_mutex);
 }
 
+static struct attribute_group md_redundancy_group;
+
 static inline void mddev_unlock(mddev_t * mddev)
 {
-	mutex_unlock(&mddev->reconfig_mutex);
+	if (mddev->pers == NULL && mddev->private) {
+		/* These cannot be removed under reconfig_mutex as
+		 * an access to the files will try to take reconfig_mutex
+		 * while holding the file unremovable, which leads to
+		 * a deadlock.
+		 * So hold open_mutex instead - we are allowed to take
+		 * it while holding reconfig_mutex, and md_run can
+		 * use it to wait for the remove to complete.
+		 */
+		mutex_lock(&mddev->open_mutex);
+		mutex_unlock(&mddev->reconfig_mutex);
+
+		sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
+		if (mddev->private != (void*)1)
+			sysfs_remove_group(&mddev->kobj, mddev->private);
+		if (mddev->sysfs_action)
+			sysfs_put(mddev->sysfs_action);
+		mddev->sysfs_action = NULL;
+		mddev->private = NULL;
+		mutex_unlock(&mddev->open_mutex);
+	} else
+		mutex_unlock(&mddev->reconfig_mutex);
 
 	md_wakeup_thread(mddev->thread);
 }
@@ -4075,15 +4098,6 @@ static void mddev_delayed_delete(struct work_struct *ws)
 {
 	mddev_t *mddev = container_of(ws, mddev_t, del_work);
 
-	if (mddev->private) {
-		sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
-		if (mddev->private != (void*)1)
-			sysfs_remove_group(&mddev->kobj, mddev->private);
-		if (mddev->sysfs_action)
-			sysfs_put(mddev->sysfs_action);
-		mddev->sysfs_action = NULL;
-		mddev->private = NULL;
-	}
 	sysfs_remove_group(&mddev->kobj, &md_bitmap_group);
 	kobject_del(&mddev->kobj);
 	kobject_put(&mddev->kobj);
@@ -4241,6 +4255,13 @@ static int do_md_run(mddev_t * mddev)
 	if (mddev->pers)
 		return -EBUSY;
 
+	/* These two calls synchronise us with the
+	 * sysfs_remove_group calls in mddev_unlock,
+	 * so they must have completed.
+	 */
+	mutex_lock(&mddev->open_mutex);
+	mutex_unlock(&mddev->open_mutex);
+
 	/*
 	 * Analyze all RAID superblock(s)
 	 */

From a64c876fd357906a1f7193723866562ad290654c Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Wed, 14 Apr 2010 17:15:37 +1000
Subject: [PATCH 1553/3638] md: manage redundancy group in sysfs when changing
 level.

Some levels expect the 'redundancy group' to be present,
others don't.
So when we change level of an array we might need to
add or remove this group.

This requires fixing up the current practice of overloading ->private
to indicate (when ->pers == NULL) that something needs to be removed.
So create a new ->to_remove to fill that role.

When changing levels, we may need to add or remove attributes.  When
changing RAID5 -> RAID6, we both add and remove the same thing.  It is
important to catch this and optimise it out as the removal is delayed
until a lock is released, so trying to add immediately would cause
problems.


Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c    | 43 ++++++++++++++++++++++++++++++++-----------
 drivers/md/md.h    |  1 +
 drivers/md/raid5.c |  7 +++++--
 3 files changed, 38 insertions(+), 13 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index edf777f6fe5..e8d238885cd 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -509,9 +509,9 @@ static inline int mddev_trylock(mddev_t * mddev)
 
 static struct attribute_group md_redundancy_group;
 
-static inline void mddev_unlock(mddev_t * mddev)
+static void mddev_unlock(mddev_t * mddev)
 {
-	if (mddev->pers == NULL && mddev->private) {
+	if (mddev->to_remove) {
 		/* These cannot be removed under reconfig_mutex as
 		 * an access to the files will try to take reconfig_mutex
 		 * while holding the file unremovable, which leads to
@@ -520,16 +520,20 @@ static inline void mddev_unlock(mddev_t * mddev)
 		 * it while holding reconfig_mutex, and md_run can
 		 * use it to wait for the remove to complete.
 		 */
+		struct attribute_group *to_remove = mddev->to_remove;
+		mddev->to_remove = NULL;
 		mutex_lock(&mddev->open_mutex);
 		mutex_unlock(&mddev->reconfig_mutex);
 
-		sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
-		if (mddev->private != (void*)1)
-			sysfs_remove_group(&mddev->kobj, mddev->private);
-		if (mddev->sysfs_action)
-			sysfs_put(mddev->sysfs_action);
-		mddev->sysfs_action = NULL;
-		mddev->private = NULL;
+		if (to_remove != &md_redundancy_group)
+			sysfs_remove_group(&mddev->kobj, to_remove);
+		if (mddev->pers == NULL ||
+		    mddev->pers->sync_request == NULL) {
+			sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
+			if (mddev->sysfs_action)
+				sysfs_put(mddev->sysfs_action);
+			mddev->sysfs_action = NULL;
+		}
 		mutex_unlock(&mddev->open_mutex);
 	} else
 		mutex_unlock(&mddev->reconfig_mutex);
@@ -2996,6 +3000,23 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	/* Looks like we have a winner */
 	mddev_suspend(mddev);
 	mddev->pers->stop(mddev);
+	
+	if (mddev->pers->sync_request == NULL &&
+	    pers->sync_request != NULL) {
+		/* need to add the md_redundancy_group */
+		if (sysfs_create_group(&mddev->kobj, &md_redundancy_group))
+			printk(KERN_WARNING
+			       "md: cannot register extra attributes for %s\n",
+			       mdname(mddev));
+		mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, "sync_action");
+	}		
+	if (mddev->pers->sync_request != NULL &&
+	    pers->sync_request == NULL) {
+		/* need to remove the md_redundancy_group */
+		if (mddev->to_remove == NULL)
+			mddev->to_remove = &md_redundancy_group;
+	}
+
 	module_put(mddev->pers->owner);
 	/* Invalidate devices that are now superfluous */
 	list_for_each_entry(rdev, &mddev->disks, same_set)
@@ -4550,8 +4571,8 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 			mddev->queue->unplug_fn = NULL;
 			mddev->queue->backing_dev_info.congested_fn = NULL;
 			module_put(mddev->pers->owner);
-			if (mddev->pers->sync_request && mddev->private == NULL)
-				mddev->private = (void*)1;
+			if (mddev->pers->sync_request && mddev->to_remove == NULL)
+				mddev->to_remove = &md_redundancy_group;
 			mddev->pers = NULL;
 			/* tell userspace to handle 'inactive' */
 			sysfs_notify_dirent(mddev->sysfs_state);
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 8e4c75c00d4..722f5dfe195 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -305,6 +305,7 @@ struct mddev_s
 	atomic_t 			max_corr_read_errors; /* max read retries */
 	struct list_head		all_mddevs;
 
+	struct attribute_group		*to_remove;
 	/* Generic barrier handling.
 	 * If there is a pending barrier request, all other
 	 * writes are blocked while the devices are flushed.
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 70ffbd071b2..a361398875d 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5090,7 +5090,9 @@ static int run(mddev_t *mddev)
 	}
 
 	/* Ok, everything is just fine now */
-	if (sysfs_create_group(&mddev->kobj, &raid5_attrs_group))
+	if (mddev->to_remove == &raid5_attrs_group)
+		mddev->to_remove = NULL;
+	else if (sysfs_create_group(&mddev->kobj, &raid5_attrs_group))
 		printk(KERN_WARNING
 		       "raid5: failed to create sysfs attributes for %s\n",
 		       mdname(mddev));
@@ -5137,7 +5139,8 @@ static int stop(mddev_t *mddev)
 	mddev->queue->backing_dev_info.congested_fn = NULL;
 	blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
 	free_conf(conf);
-	mddev->private = &raid5_attrs_group;
+	mddev->private = NULL;
+	mddev->to_remove = &raid5_attrs_group;
 	return 0;
 }
 

From 0617b83fa239db9743a18ce6cc0e556f4d0fd567 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Mon, 17 May 2010 01:00:00 -0400
Subject: [PATCH 1554/3638] ext4: restart ext4_ext_remove_space() after
 transaction restart

If i_data_sem was internally dropped due to transaction restart, it is
necessary to restart path look-up because extents tree was possibly
modified by ext4_get_block().

https://bugzilla.kernel.org/show_bug.cgi?id=15827

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: Jan Kara <jack@suse.cz>
---
 fs/ext4/extents.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index ffcaa1137de..0a47becf668 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -107,11 +107,8 @@ static int ext4_ext_truncate_extend_restart(handle_t *handle,
 	if (err <= 0)
 		return err;
 	err = ext4_truncate_restart_trans(handle, inode, needed);
-	/*
-	 * We have dropped i_data_sem so someone might have cached again
-	 * an extent we are going to truncate.
-	 */
-	ext4_ext_invalidate_cache(inode);
+	if (err == 0)
+		err = -EAGAIN;
 
 	return err;
 }
@@ -2359,7 +2356,7 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start)
 	int depth = ext_depth(inode);
 	struct ext4_ext_path *path;
 	handle_t *handle;
-	int i = 0, err = 0;
+	int i, err;
 
 	ext_debug("truncate since %u\n", start);
 
@@ -2368,23 +2365,26 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start)
 	if (IS_ERR(handle))
 		return PTR_ERR(handle);
 
+again:
 	ext4_ext_invalidate_cache(inode);
 
 	/*
 	 * We start scanning from right side, freeing all the blocks
 	 * after i_size and walking into the tree depth-wise.
 	 */
+	depth = ext_depth(inode);
 	path = kzalloc(sizeof(struct ext4_ext_path) * (depth + 1), GFP_NOFS);
 	if (path == NULL) {
 		ext4_journal_stop(handle);
 		return -ENOMEM;
 	}
+	path[0].p_depth = depth;
 	path[0].p_hdr = ext_inode_hdr(inode);
 	if (ext4_ext_check(inode, path[0].p_hdr, depth)) {
 		err = -EIO;
 		goto out;
 	}
-	path[0].p_depth = depth;
+	i = err = 0;
 
 	while (i >= 0 && err == 0) {
 		if (i == depth) {
@@ -2478,6 +2478,8 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start)
 out:
 	ext4_ext_drop_refs(path);
 	kfree(path);
+	if (err == -EAGAIN)
+		goto again;
 	ext4_journal_stop(handle);
 
 	return err;

From 5a58ec8766e0ce98fd585eb404b3e56935afafe6 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Mon, 17 May 2010 02:00:00 -0400
Subject: [PATCH 1555/3638] ext4: Add a missing trace hook

Commit f8ec9d6837241865cf99bed97bb99f4399fd5a03 added a
trace event ext4_da_release_space, but didn't add some
corresponding trace hook.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c2b0724e8ad..8e45331b656 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1893,6 +1893,7 @@ static void ext4_da_release_space(struct inode *inode, int to_free)
 
 	spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
 
+	trace_ext4_da_release_space(inode, to_free);
 	if (unlikely(to_free > ei->i_reserved_data_blocks)) {
 		/*
 		 * if there aren't enough reserved blocks, then the

From 11c93605faecfe6f9a28a6f3d14989bad077055a Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Mon, 17 May 2010 06:55:24 +0100
Subject: [PATCH 1556/3638] mtd/maps/pcmciamtd: Fix printk format for ssize_t
 in debug messages

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/pcmciamtd.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index c4aacbfe288..a975f2a1bb9 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -161,7 +161,7 @@ static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long
 	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
 	unsigned long win_size = dev->win_size;
 
-	DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
+	DEBUG(3, "to = %p from = %lu len = %zd", to, from, len);
 	while(len) {
 		int toread = win_size - (from & (win_size-1));
 		caddr_t addr;
@@ -210,7 +210,7 @@ static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const v
 	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
 	unsigned long win_size = dev->win_size;
 
-	DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
+	DEBUG(3, "to = %lu from = %p len = %zd", to, from, len);
 	while(len) {
 		int towrite = win_size - (to & (win_size-1));
 		caddr_t addr;
@@ -272,7 +272,7 @@ static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from,
 	if(DEV_REMOVED(map))
 		return;
 
-	DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
+	DEBUG(3, "to = %p from = %lu len = %zd", to, from, len);
 	memcpy_fromio(to, win_base + from, len);
 }
 
@@ -310,7 +310,7 @@ static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *f
 	if(DEV_REMOVED(map))
 		return;
 
-	DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
+	DEBUG(3, "to = %lu from = %p len = %zd", to, from, len);
 	memcpy_toio(win_base + to, from, len);
 }
 

From f307333e14f6b18045eb4198fe646d9b6028f3ed Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 17 May 2010 03:00:00 -0400
Subject: [PATCH 1557/3638] ext4: Add new tracepoints to track mballoc's buddy
 bitmap loads

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.c           |  2 ++
 include/trace/events/ext4.h | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 0bdc0188e5e..a93f554b680 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -890,6 +890,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
 			BUG_ON(incore == NULL);
 			mb_debug(1, "put buddy for group %u in page %lu/%x\n",
 				group, page->index, i * blocksize);
+			trace_ext4_mb_buddy_bitmap_load(sb, group);
 			grinfo = ext4_get_group_info(sb, group);
 			grinfo->bb_fragments = 0;
 			memset(grinfo->bb_counters, 0,
@@ -907,6 +908,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
 			BUG_ON(incore != NULL);
 			mb_debug(1, "put bitmap for group %u in page %lu/%x\n",
 				group, page->index, i * blocksize);
+			trace_ext4_mb_bitmap_load(sb, group);
 
 			/* see comments in ext4_mb_put_pa() */
 			ext4_lock_group(sb, group);
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 2aa6aa3e8f6..99fbf1d0a6b 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -974,6 +974,39 @@ TRACE_EVENT(ext4_da_release_space,
 		  __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
 );
 
+DECLARE_EVENT_CLASS(ext4__bitmap_load,
+	TP_PROTO(struct super_block *sb, unsigned long group),
+
+	TP_ARGS(sb, group),
+
+	TP_STRUCT__entry(
+		__field(	dev_t,	dev			)
+		__field(	__u32,	group			)
+
+	),
+
+	TP_fast_assign(
+		__entry->dev	= sb->s_dev;
+		__entry->group	= group;
+	),
+
+	TP_printk("dev %s group %u",
+		  jbd2_dev_to_name(__entry->dev), __entry->group)
+);
+
+DEFINE_EVENT(ext4__bitmap_load, ext4_mb_bitmap_load,
+
+	TP_PROTO(struct super_block *sb, unsigned long group),
+
+	TP_ARGS(sb, group)
+);
+
+DEFINE_EVENT(ext4__bitmap_load, ext4_mb_buddy_bitmap_load,
+
+	TP_PROTO(struct super_block *sb, unsigned long group),
+
+	TP_ARGS(sb, group)
+);
 
 #endif /* _TRACE_EXT4_H */
 

From a99c47a228c194aa75bffdcb82806c5f33c7c63b Mon Sep 17 00:00:00 2001
From: Tom Lyon <pugs@cisco.com>
Date: Mon, 17 May 2010 08:20:45 +0100
Subject: [PATCH 1558/3638] intel-iommu: errors with smaller iommu widths

When using iommu_domain_alloc with the Intel iommu, the domain address
width is always initialized to 48 bits (agaw 2).  This domain->agaw value
is then used by pfn_to_dma_pte to (always) build a 4 level page table.
However, not all systems support iommu width of 48 or 4 level page tables.
In particular, the Core i5-660 and i5-670 support an address width of 36
bits (not 39!), an agaw of only 1, and only 3 level page tables.

This version of the patch simply lops off extra levels of the page tables
if the agaw value of the iommu is less than what is currently allocated
for the domain (in intel_iommu_attach_device).  If there were already
allocated addresses above what the new iommu can handle, EFAULT is
returned.

Signed-off-by: Tom Lyon <pugs@cisco.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/intel-iommu.c | 40 ++++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index da40f078973..57be89e6f48 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3433,19 +3433,6 @@ static void vm_domain_remove_all_dev_info(struct dmar_domain *domain)
 /* domain id for virtual machine, it won't be set in context */
 static unsigned long vm_domid;
 
-static int vm_domain_min_agaw(struct dmar_domain *domain)
-{
-	int i;
-	int min_agaw = domain->agaw;
-
-	for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) {
-		if (min_agaw > g_iommus[i]->agaw)
-			min_agaw = g_iommus[i]->agaw;
-	}
-
-	return min_agaw;
-}
-
 static struct dmar_domain *iommu_alloc_vm_domain(void)
 {
 	struct dmar_domain *domain;
@@ -3574,7 +3561,6 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct intel_iommu *iommu;
 	int addr_width;
-	u64 end;
 
 	/* normally pdev is not mapped */
 	if (unlikely(domain_context_mapped(pdev))) {
@@ -3597,14 +3583,30 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
 
 	/* check if this iommu agaw is sufficient for max mapped address */
 	addr_width = agaw_to_width(iommu->agaw);
-	end = DOMAIN_MAX_ADDR(addr_width);
-	end = end & VTD_PAGE_MASK;
-	if (end < dmar_domain->max_addr) {
-		printk(KERN_ERR "%s: iommu agaw (%d) is not "
+	if (addr_width > cap_mgaw(iommu->cap))
+		addr_width = cap_mgaw(iommu->cap);
+
+	if (dmar_domain->max_addr > (1LL << addr_width)) {
+		printk(KERN_ERR "%s: iommu width (%d) is not "
 		       "sufficient for the mapped address (%llx)\n",
-		       __func__, iommu->agaw, dmar_domain->max_addr);
+		       __func__, addr_width, dmar_domain->max_addr);
 		return -EFAULT;
 	}
+	dmar_domain->gaw = addr_width;
+
+	/*
+	 * Knock out extra levels of page tables if necessary
+	 */
+	while (iommu->agaw < dmar_domain->agaw) {
+		struct dma_pte *pte;
+
+		pte = dmar_domain->pgd;
+		if (dma_pte_present(pte)) {
+			free_pgtable_page(dmar_domain->pgd);
+			dmar_domain->pgd = (struct dma_pte *)dma_pte_addr(pte);
+		}
+		dmar_domain->agaw--;
+	}
 
 	return domain_add_dev_info(dmar_domain, pdev, CONTEXT_TT_MULTI_LEVEL);
 }

From 8954da1f82a468deeeae3683252b5440e7f4ccbe Mon Sep 17 00:00:00 2001
From: Tom Lyon <pugs@cisco.com>
Date: Mon, 17 May 2010 08:19:52 +0100
Subject: [PATCH 1559/3638] intel-iommu: intel_iommu_map_range failed at very
 end of address space

intel_iommu_map_range() doesn't allow allocation at the very end of the
address space; that code has been simplified and corrected.

Signed-off-by: Tom Lyon <pugs@cisco.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/intel-iommu.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 57be89e6f48..65741dc491d 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3626,7 +3626,6 @@ static int intel_iommu_map_range(struct iommu_domain *domain,
 {
 	struct dmar_domain *dmar_domain = domain->priv;
 	u64 max_addr;
-	int addr_width;
 	int prot = 0;
 	int ret;
 
@@ -3639,18 +3638,14 @@ static int intel_iommu_map_range(struct iommu_domain *domain,
 
 	max_addr = iova + size;
 	if (dmar_domain->max_addr < max_addr) {
-		int min_agaw;
 		u64 end;
 
 		/* check if minimum agaw is sufficient for mapped address */
-		min_agaw = vm_domain_min_agaw(dmar_domain);
-		addr_width = agaw_to_width(min_agaw);
-		end = DOMAIN_MAX_ADDR(addr_width);
-		end = end & VTD_PAGE_MASK;
+		end = __DOMAIN_MAX_ADDR(dmar_domain->gaw) + 1;
 		if (end < max_addr) {
-			printk(KERN_ERR "%s: iommu agaw (%d) is not "
+			printk(KERN_ERR "%s: iommu width (%d) is not "
 			       "sufficient for the mapped address (%llx)\n",
-			       __func__, min_agaw, max_addr);
+			       __func__, dmar_domain->gaw, max_addr);
 			return -EFAULT;
 		}
 		dmar_domain->max_addr = max_addr;

From f084db932e6fe877bf8362bc256fc850de196deb Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Mon, 17 May 2010 04:00:00 -0400
Subject: [PATCH 1560/3638] tracing: Convert more ext4 events to DEFINE_EVENT

Use DECLARE_EVENT_CLASS, and save ~2.7K:

   text    data     bss     dec     hex filename
 274441    7200     260  281901   44d2d fs/ext4/ext4.o.orig
 271881    7040     256  279177   44289 fs/ext4/ext4.o

4 events are converted:

  ext4__mb_new_pa: ext4_mb_new_inode_pa, ext4_mb_new_group_pa
  ext4__mballoc:   ext4_mballoc_discard, ext4_mballoc_free

No change in functionality.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 include/trace/events/ext4.h | 61 +++++++++++--------------------------
 1 file changed, 17 insertions(+), 44 deletions(-)

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 99fbf1d0a6b..5d60ad4ebf7 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -353,7 +353,7 @@ TRACE_EVENT(ext4_discard_blocks,
 		  jbd2_dev_to_name(__entry->dev), __entry->blk, __entry->count)
 );
 
-TRACE_EVENT(ext4_mb_new_inode_pa,
+DECLARE_EVENT_CLASS(ext4__mb_new_pa,
 	TP_PROTO(struct ext4_allocation_context *ac,
 		 struct ext4_prealloc_space *pa),
 
@@ -381,32 +381,20 @@ TRACE_EVENT(ext4_mb_new_inode_pa,
 		  __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
 );
 
-TRACE_EVENT(ext4_mb_new_group_pa,
+DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_inode_pa,
+
 	TP_PROTO(struct ext4_allocation_context *ac,
 		 struct ext4_prealloc_space *pa),
 
-	TP_ARGS(ac, pa),
+	TP_ARGS(ac, pa)
+);
 
-	TP_STRUCT__entry(
-		__field(	dev_t,	dev			)
-		__field(	ino_t,	ino			)
-		__field(	__u64,	pa_pstart		)
-		__field(	__u32,	pa_len			)
-		__field(	__u64,	pa_lstart		)
+DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,
 
-	),
+	TP_PROTO(struct ext4_allocation_context *ac,
+		 struct ext4_prealloc_space *pa),
 
-	TP_fast_assign(
-		__entry->dev		= ac->ac_sb->s_dev;
-		__entry->ino		= ac->ac_inode->i_ino;
-		__entry->pa_pstart	= pa->pa_pstart;
-		__entry->pa_len		= pa->pa_len;
-		__entry->pa_lstart	= pa->pa_lstart;
-	),
-
-	TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
-		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
-		  __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
+	TP_ARGS(ac, pa)
 );
 
 TRACE_EVENT(ext4_mb_release_inode_pa,
@@ -790,7 +778,7 @@ TRACE_EVENT(ext4_mballoc_prealloc,
 		  __entry->result_len, __entry->result_logical)
 );
 
-TRACE_EVENT(ext4_mballoc_discard,
+DECLARE_EVENT_CLASS(ext4__mballoc,
 	TP_PROTO(struct ext4_allocation_context *ac),
 
 	TP_ARGS(ac),
@@ -819,33 +807,18 @@ TRACE_EVENT(ext4_mballoc_discard,
 		  __entry->result_len, __entry->result_logical)
 );
 
-TRACE_EVENT(ext4_mballoc_free,
+DEFINE_EVENT(ext4__mballoc, ext4_mballoc_discard,
+
 	TP_PROTO(struct ext4_allocation_context *ac),
 
-	TP_ARGS(ac),
+	TP_ARGS(ac)
+);
 
-	TP_STRUCT__entry(
-		__field(	dev_t,	dev			)
-		__field(	ino_t,	ino			)
-		__field(	__u32, 	result_logical		)
-		__field(	  int,	result_start		)
-		__field(	__u32, 	result_group		)
-		__field(	  int,	result_len		)
-	),
+DEFINE_EVENT(ext4__mballoc, ext4_mballoc_free,
 
-	TP_fast_assign(
-		__entry->dev		= ac->ac_inode->i_sb->s_dev;
-		__entry->ino		= ac->ac_inode->i_ino;
-		__entry->result_logical	= ac->ac_b_ex.fe_logical;
-		__entry->result_start	= ac->ac_b_ex.fe_start;
-		__entry->result_group	= ac->ac_b_ex.fe_group;
-		__entry->result_len	= ac->ac_b_ex.fe_len;
-	),
+	TP_PROTO(struct ext4_allocation_context *ac),
 
-	TP_printk("dev %s inode %lu extent %u/%d/%u@%u ",
-		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
-		  __entry->result_group, __entry->result_start,
-		  __entry->result_len, __entry->result_logical)
+	TP_ARGS(ac)
 );
 
 TRACE_EVENT(ext4_forget,

From 25783602050600b294086d6a0be9a0c2cfe8a3e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20R=C3=A9tornaz?= <philippe.retornaz@epfl.ch>
Date: Tue, 11 May 2010 16:57:49 +0200
Subject: [PATCH 1561/3638] mx31moboard: Fix usb PHY reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Setup the pad with correct pull-up/down before doing the reset.
Assert the PHY enable signal so the reset is really done.

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Acked-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/mach-mx31moboard.c | 100 ++++++++++-----------------
 1 file changed, 38 insertions(+), 62 deletions(-)

diff --git a/arch/arm/mach-mx3/mach-mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c
index fccb9207b78..5c4448947d7 100644
--- a/arch/arm/mach-mx3/mach-mx31moboard.c
+++ b/arch/arm/mach-mx3/mach-mx31moboard.c
@@ -306,37 +306,51 @@ static struct imxmmc_platform_data sdhc1_pdata = {
  * this pin is dedicated for all mx31moboard systems, so we do it here
  */
 #define USB_RESET_B	IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+		      PAD_CTL_ODE_CMOS)
+
+#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
+#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
 
 static void usb_xcvr_reset(void)
 {
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
+
+	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
+	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
+
+	gpio_request(OTG_EN_B, "usb-udc-en");
+	gpio_direction_output(OTG_EN_B, 0);
+	gpio_request(USBH2_EN_B, "usbh2-en");
+	gpio_direction_output(USBH2_EN_B, 0);
+
 	gpio_request(USB_RESET_B, "usb-reset");
 	gpio_direction_output(USB_RESET_B, 0);
 	mdelay(1);
 	gpio_set_value(USB_RESET_B, 1);
-}
-
-#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
-			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
-
-#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
-
-static void moboard_usbotg_init(void)
-{
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
-
-	gpio_request(OTG_EN_B, "usb-udc-en");
-	gpio_direction_output(OTG_EN_B, 0);
+	mdelay(1);
 }
 
 static struct fsl_usb2_platform_data usb_pdata = {
@@ -346,44 +360,7 @@ static struct fsl_usb2_platform_data usb_pdata = {
 
 #if defined(CONFIG_USB_ULPI)
 
-#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
-
-static int moboard_usbh2_hw_init(struct platform_device *pdev)
-{
-	int ret;
-
-	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
-
-	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
-
-	ret = gpio_request(USBH2_EN_B, "usbh2-en");
-	if (ret)
-		return ret;
-	gpio_direction_output(USBH2_EN_B, 0);
-
-	return 0;
-}
-
-static int moboard_usbh2_hw_exit(struct platform_device *pdev)
-{
-	gpio_free(USBH2_EN_B);
-	return 0;
-}
-
 static struct mxc_usbh_platform_data usbh2_pdata = {
-	.init	= moboard_usbh2_hw_init,
-	.exit	= moboard_usbh2_hw_exit,
 	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 	.flags	= MXC_EHCI_POWER_PINS_ENABLED,
 };
@@ -508,7 +485,6 @@ static void __init mxc_board_init(void)
 
 	usb_xcvr_reset();
 
-	moboard_usbotg_init();
 	mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
 	moboard_usbh2_init();
 

From 66c202ad9a58905e0e6a0fa3976020a7ab0fa6df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20R=C3=A9tornaz?= <philippe.retornaz@epfl.ch>
Date: Tue, 11 May 2010 16:57:50 +0200
Subject: [PATCH 1562/3638] mx31moboard: Move usb OTG device registration
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

In preparation for a new robot which needs the
OTG port as host.

This moves the OTG device registration into board
initialisation.

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Acked-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/mach-mx31moboard.c     | 7 -------
 arch/arm/mach-mx3/mx31moboard-devboard.c | 9 +++++++++
 arch/arm/mach-mx3/mx31moboard-marxbot.c  | 8 ++++++++
 arch/arm/mach-mx3/mx31moboard-smartbot.c | 8 ++++++++
 4 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-mx3/mach-mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c
index 5c4448947d7..4bb011afc2a 100644
--- a/arch/arm/mach-mx3/mach-mx31moboard.c
+++ b/arch/arm/mach-mx3/mach-mx31moboard.c
@@ -18,7 +18,6 @@
 
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
-#include <linux/fsl_devices.h>
 #include <linux/gfp.h>
 #include <linux/gpio.h>
 #include <linux/init.h>
@@ -353,11 +352,6 @@ static void usb_xcvr_reset(void)
 	mdelay(1);
 }
 
-static struct fsl_usb2_platform_data usb_pdata = {
-	.operating_mode	= FSL_USB2_DR_DEVICE,
-	.phy_mode	= FSL_USB2_PHY_ULPI,
-};
-
 #if defined(CONFIG_USB_ULPI)
 
 static struct mxc_usbh_platform_data usbh2_pdata = {
@@ -485,7 +479,6 @@ static void __init mxc_board_init(void)
 
 	usb_xcvr_reset();
 
-	mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
 	moboard_usbh2_init();
 
 	switch (mx31moboard_baseboard) {
diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c
index 11b906ce7ea..582299cb2c0 100644
--- a/arch/arm/mach-mx3/mx31moboard-devboard.c
+++ b/arch/arm/mach-mx3/mx31moboard-devboard.c
@@ -22,6 +22,7 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/types.h>
+#include <linux/fsl_devices.h>
 
 #include <linux/usb/otg.h>
 
@@ -213,6 +214,12 @@ static int __init devboard_usbh1_init(void)
 	return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
 }
 
+
+static struct fsl_usb2_platform_data usb_pdata = {
+	.operating_mode	= FSL_USB2_DR_DEVICE,
+	.phy_mode	= FSL_USB2_PHY_ULPI,
+};
+
 /*
  * system init for baseboard usage. Will be called by mx31moboard init.
  */
@@ -229,5 +236,7 @@ void __init mx31moboard_devboard_init(void)
 
 	devboard_init_sel_gpios();
 
+	mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+
 	devboard_usbh1_init();
 }
diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c
index ffb105e14d8..4930f8c27e6 100644
--- a/arch/arm/mach-mx3/mx31moboard-marxbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c
@@ -25,6 +25,7 @@
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/types.h>
+#include <linux/fsl_devices.h>
 
 #include <linux/usb/otg.h>
 
@@ -329,6 +330,11 @@ static int __init marxbot_usbh1_init(void)
 	return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
 }
 
+static struct fsl_usb2_platform_data usb_pdata = {
+	.operating_mode	= FSL_USB2_DR_DEVICE,
+	.phy_mode	= FSL_USB2_PHY_ULPI,
+};
+
 /*
  * system init for baseboard usage. Will be called by mx31moboard init.
  */
@@ -356,5 +362,7 @@ void __init mx31moboard_marxbot_init(void)
 	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0));
 	gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false);
 
+	mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+
 	marxbot_usbh1_init();
 }
diff --git a/arch/arm/mach-mx3/mx31moboard-smartbot.c b/arch/arm/mach-mx3/mx31moboard-smartbot.c
index 83d2b9f42ce..ac1a163a5b7 100644
--- a/arch/arm/mach-mx3/mx31moboard-smartbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-smartbot.c
@@ -23,6 +23,7 @@
 #include <linux/i2c.h>
 #include <linux/platform_device.h>
 #include <linux/types.h>
+#include <linux/fsl_devices.h>
 
 #include <mach/common.h>
 #include <mach/hardware.h>
@@ -116,6 +117,11 @@ static int __init smartbot_cam_init(void)
 	return 0;
 }
 
+static struct fsl_usb2_platform_data usb_pdata = {
+	.operating_mode	= FSL_USB2_DR_DEVICE,
+	.phy_mode	= FSL_USB2_PHY_ULPI,
+};
+
 #define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
 #define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
 #define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
@@ -155,6 +161,8 @@ void __init mx31moboard_smartbot_init(void)
 
 	mxc_register_device(&mxc_uart_device1, &uart_pdata);
 
+	mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+
 	smartbot_resets_init();
 
 	smartbot_cam_init();

From 3a47b1a4f16285bc1b96941782a896afc4711e97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20R=C3=A9tornaz?= <philippe.retornaz@epfl.ch>
Date: Tue, 11 May 2010 16:57:51 +0200
Subject: [PATCH 1563/3638] mx31moboard: OTG host support for smartbot board
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The Eyebot robot needs the OTG port in host mode on the smartbot.

Add a new board definition so we can select the usb host/device
mode at boot with the mx31moboard_baseboard boot parameter.

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/mach-mx31moboard.c          |  3 +-
 arch/arm/mach-mx3/mx31moboard-smartbot.c      | 39 ++++++++++++++++++-
 .../plat-mxc/include/mach/board-mx31moboard.h |  3 +-
 3 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-mx3/mach-mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c
index 4bb011afc2a..33a8d35498a 100644
--- a/arch/arm/mach-mx3/mach-mx31moboard.c
+++ b/arch/arm/mach-mx3/mach-mx31moboard.c
@@ -491,7 +491,8 @@ static void __init mxc_board_init(void)
 		mx31moboard_marxbot_init();
 		break;
 	case MX31SMARTBOT:
-		mx31moboard_smartbot_init();
+	case MX31EYEBOT:
+		mx31moboard_smartbot_init(mx31moboard_baseboard);
 		break;
 	default:
 		printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
diff --git a/arch/arm/mach-mx3/mx31moboard-smartbot.c b/arch/arm/mach-mx3/mx31moboard-smartbot.c
index ac1a163a5b7..293eea6d9d9 100644
--- a/arch/arm/mach-mx3/mx31moboard-smartbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-smartbot.c
@@ -25,10 +25,16 @@
 #include <linux/types.h>
 #include <linux/fsl_devices.h>
 
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx3.h>
+#include <mach/board-mx31moboard.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
 
 #include <media/soc_camera.h>
 
@@ -122,6 +128,24 @@ static struct fsl_usb2_platform_data usb_pdata = {
 	.phy_mode	= FSL_USB2_PHY_ULPI,
 };
 
+#if defined(CONFIG_USB_ULPI)
+
+static struct mxc_usbh_platform_data otg_host_pdata = {
+	.portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+	.flags	= MXC_EHCI_POWER_PINS_ENABLED,
+};
+
+static int __init smartbot_otg_host_init(void)
+{
+	otg_host_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+			USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+	return mxc_register_device(&mxc_otg_host, &otg_host_pdata);
+}
+#else
+static inline int smartbot_otg_host_init(void) { return 0; }
+#endif
+
 #define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
 #define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
 #define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
@@ -152,7 +176,7 @@ static void smartbot_resets_init(void)
 /*
  * system init for baseboard usage. Will be called by mx31moboard init.
  */
-void __init mx31moboard_smartbot_init(void)
+void __init mx31moboard_smartbot_init(int board)
 {
 	printk(KERN_INFO "Initializing mx31smartbot peripherals\n");
 
@@ -161,7 +185,18 @@ void __init mx31moboard_smartbot_init(void)
 
 	mxc_register_device(&mxc_uart_device1, &uart_pdata);
 
-	mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+
+	switch (board) {
+	case MX31SMARTBOT:
+		mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+		break;
+	case MX31EYEBOT:
+		smartbot_otg_host_init();
+		break;
+	default:
+		printk(KERN_WARNING "Unknown board %d, USB OTG not initialized",
+			board);
+	}
 
 	smartbot_resets_init();
 
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31moboard.h b/arch/arm/plat-mxc/include/mach/board-mx31moboard.h
index fc5fec9b55f..36ff3cedee1 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx31moboard.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx31moboard.h
@@ -26,6 +26,7 @@ enum mx31moboard_boards {
 	MX31DEVBOARD	= 1,
 	MX31MARXBOT	= 2,
 	MX31SMARTBOT	= 3,
+	MX31EYEBOT	= 4,
 };
 
 /*
@@ -35,7 +36,7 @@ enum mx31moboard_boards {
 
 extern void mx31moboard_devboard_init(void);
 extern void mx31moboard_marxbot_init(void);
-extern void mx31moboard_smartbot_init(void);
+extern void mx31moboard_smartbot_init(int board);
 
 #endif
 

From a2ef4562c25317f3d0731e79eb432db8ed9eb1ca Mon Sep 17 00:00:00 2001
From: Magnus Lilja <lilja.magnus@gmail.com>
Date: Fri, 14 May 2010 17:08:29 +0200
Subject: [PATCH 1564/3638] MXC: Add USB OTG (device) for i.MX31 PDK (3DS)
 board.

Tested on actual hardware using the g_ether and g_serial gadget drivers.

Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/mach-mx31_3ds.c | 55 +++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index f54af1e29ca..55d6117fbae 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -16,6 +16,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <linux/delay.h>
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/clk.h>
@@ -26,6 +27,7 @@
 #include <linux/mfd/mc13783.h>
 #include <linux/spi/spi.h>
 #include <linux/regulator/machine.h>
+#include <linux/fsl_devices.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -65,6 +67,21 @@ static int mx31_3ds_pins[] = {
 	MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
 	/* MC13783 IRQ */
 	IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
+	/* USB OTG reset */
+	IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
+	/* USB OTG */
+	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
+	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
+	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
+	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
+	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
+	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
+	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
+	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
+	MX31_PIN_USBOTG_CLK__USBOTG_CLK,
+	MX31_PIN_USBOTG_DIR__USBOTG_DIR,
+	MX31_PIN_USBOTG_NXT__USBOTG_NXT,
+	MX31_PIN_USBOTG_STP__USBOTG_STP,
 };
 
 /* Regulators */
@@ -126,6 +143,41 @@ static struct mxc_nand_platform_data imx31_3ds_nand_flash_pdata = {
 #endif
 };
 
+/*
+ * USB OTG
+ */
+
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+		     PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+#define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
+
+static void mx31_3ds_usbotg_init(void)
+{
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
+
+	gpio_request(USBOTG_RST_B, "otgusb-reset");
+	gpio_direction_output(USBOTG_RST_B, 0);
+	mdelay(1);
+	gpio_set_value(USBOTG_RST_B, 1);
+}
+
+static struct fsl_usb2_platform_data usbotg_pdata = {
+	.operating_mode = FSL_USB2_DR_DEVICE,
+	.phy_mode	= FSL_USB2_PHY_ULPI,
+};
+
 static struct imxuart_platform_data uart_pdata = {
 	.flags = IMXUART_HAVE_RTSCTS,
 };
@@ -315,6 +367,9 @@ static void __init mxc_board_init(void)
 	spi_register_board_info(mx31_3ds_spi_devs,
 						ARRAY_SIZE(mx31_3ds_spi_devs));
 
+	mx31_3ds_usbotg_init();
+	mxc_register_device(&mxc_otg_udc_device, &usbotg_pdata);
+
 	if (!mx31_3ds_init_expio())
 		platform_device_register(&smsc911x_device);
 }

From 1721a238ba5df9e870ed952464d38714261f5be9 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 23:19:30 +0200
Subject: [PATCH 1565/3638] HID: Use kmemdup

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index b9f99f9c4b2..c9eb2d08f39 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -653,10 +653,9 @@ int hid_parse_report(struct hid_device *device, __u8 *start,
 	if (device->driver->report_fixup)
 		device->driver->report_fixup(device, start, size);
 
-	device->rdesc = kmalloc(size, GFP_KERNEL);
+	device->rdesc = kmemdup(start, size, GFP_KERNEL);
 	if (device->rdesc == NULL)
 		return -ENOMEM;
-	memcpy(device->rdesc, start, size);
 	device->rsize = size;
 
 	parser = vmalloc(sizeof(struct hid_parser));

From cc05ea0cd63437da2033b3ce6e033b1f1aaaf640 Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Tue, 4 May 2010 18:22:15 +0900
Subject: [PATCH 1566/3638] DMA ENGINE: Do not reset 'private' of channel

The member 'private' of 'struct dma_chan' is meant for passing
data between client and the controller driver.

The DMA client driver may point it to platform specific stuff after
acquiring the channel. So, it is the responsiblity of the same code
to reset it, if it must.

The DMA engine doesn't set it and hence, shouldn't reset it either.

This reseting of private by DMA Engine comes in the way of implementing
default channel settings during DMAC probe. That capability is useful
for not having the clients to always provide platform specific data,
like Rx/Tx FIFO addresses, which usually doesn't change across channel
requests.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/dmaengine.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 790caeeb4cc..21eb896f4df 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -514,7 +514,6 @@ struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, v
 				break;
 			if (--device->privatecnt == 0)
 				dma_cap_clear(DMA_PRIVATE, device->cap_mask);
-			chan->private = NULL;
 			chan = NULL;
 		}
 	}
@@ -536,7 +535,6 @@ void dma_release_channel(struct dma_chan *chan)
 	/* drop PRIVATE cap enabled by __dma_request_channel() */
 	if (--chan->device->privatecnt == 0)
 		dma_cap_clear(DMA_PRIVATE, chan->device->cap_mask);
-	chan->private = NULL;
 	mutex_unlock(&dma_list_mutex);
 }
 EXPORT_SYMBOL_GPL(dma_release_channel);

From a9885c8f7bf62e251fc178f838b9f0ee897c158a Mon Sep 17 00:00:00 2001
From: Don Prince <dhprince.devel@yahoo.co.uk>
Date: Fri, 14 May 2010 17:30:59 +0100
Subject: [PATCH 1567/3638] HID: Zydacron Remote Control driver

A specialised HID driver for the Zydacron Remote Control (usb id: 13ec:0006).

The specialised HID driver adds support for the buttons which are not

currently handled by the default HID driver.

Signed-off-by: Don Prince <dhprince-devel@yahoo.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig    | 7 +++++++
 drivers/hid/Makefile   | 1 +
 drivers/hid/hid-core.c | 1 +
 drivers/hid/hid-ids.h  | 3 +++
 4 files changed, 12 insertions(+)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 631ede69c01..3cf69a0a8b7 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -380,6 +380,13 @@ config ZEROPLUS_FF
 	  Say Y here if you have a Zeroplus based game controller and want
 	  to have force feedback support for it.
 
+config HID_ZYDACRON
+	tristate "Zydacron remote control support" if EMBEDDED
+	depends on USB_HID
+	default !EMBEDDED
+	---help---
+	Support for Zydacron remote control.
+
 endmenu
 
 endif # HID_SUPPORT
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 0b2618f092c..d1f1b448977 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -54,6 +54,7 @@ obj-$(CONFIG_HID_THRUSTMASTER)	+= hid-tmff.o
 obj-$(CONFIG_HID_TOPSEED)	+= hid-topseed.o
 obj-$(CONFIG_HID_TWINHAN)	+= hid-twinhan.o
 obj-$(CONFIG_HID_ZEROPLUS)	+= hid-zpff.o
+obj-$(CONFIG_HID_ZYDACRON)	+= hid-zydacron.o
 obj-$(CONFIG_HID_WACOM)		+= hid-wacom.o
 
 obj-$(CONFIG_USB_HID)		+= usbhid/
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index c9eb2d08f39..7c77c64d3e9 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1364,6 +1364,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
 
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
 	{ }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 513e75e0f65..30cba94cfb0 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -481,6 +481,9 @@
 
 #define USB_VENDOR_ID_ZEROPLUS		0x0c12
 
+#define USB_VENDOR_ID_ZYDACRON	0x13EC
+#define USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL	0x0006
+
 #define USB_VENDOR_ID_KYE		0x0458
 #define USB_DEVICE_ID_KYE_ERGO_525V	0x0087
 #define USB_DEVICE_ID_KYE_GPEN_560	0x5003

From aeacb6fd30c800e8229905eac7023777a472d772 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 11:46:36 +0200
Subject: [PATCH 1568/3638] HID: picolcd: Eliminate use after free

The skip label frees resp, which has not been allocated at the point of
this goto and then does a break, based on the fact that err is non-zero.
This is replaced by a break directly.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@free@
expression E;
position p;
@@
kfree@p(E)

@@
expression free.E, subE<=free.E, E1;
position free.p;
@@

  kfree@p(E)
  ...
(
  subE = E1
|
* E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-picolcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 95253b31054..7aabf65c48e 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -1616,7 +1616,7 @@ static ssize_t _picolcd_flash_write(struct picolcd_data *data, int report_id,
 		raw_data[len_off] = s > 32 ? 32 : s;
 		if (copy_from_user(raw_data+len_off+1, u, raw_data[len_off])) {
 			err = -EFAULT;
-			goto skip;
+			break;
 		}
 		resp = picolcd_send_and_wait(data->hdev, report_id, raw_data,
 				len_off+1+raw_data[len_off]);

From 899ad0cea6ad7ff4ba24b16318edbc3cbbe03fad Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Mon, 17 May 2010 05:00:00 -0400
Subject: [PATCH 1569/3638] ext4: Conditionally define compat ioctl numbers

It is unnecessary, and in general impossible, to define the compat
ioctl numbers except when building the filesystem with CONFIG_COMPAT
defined.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/ext4.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 74414884580..d8c28f658cb 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -498,6 +498,7 @@ struct ext4_new_group_data {
 #define EXT4_IOC_ALLOC_DA_BLKS		_IO('f', 12)
 #define EXT4_IOC_MOVE_EXT		_IOWR('f', 15, struct move_extent)
 
+#if defined(__KERNEL__) && defined(CONFIG_COMPAT)
 /*
  * ioctl commands in 32 bit emulation
  */
@@ -513,6 +514,7 @@ struct ext4_new_group_data {
 #endif
 #define EXT4_IOC32_GETVERSION_OLD	FS_IOC32_GETVERSION
 #define EXT4_IOC32_SETVERSION_OLD	FS_IOC32_SETVERSION
+#endif
 
 
 /*

From 0fc5c3a54d68d0e6c2f3b346dcc924ba928c4d0e Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sat, 27 Feb 2010 17:51:43 +0100
Subject: [PATCH 1570/3638] KVM: arch/x86/kvm/kvm_timer.h checkpatch cleanup

arch/x86/kvm/kvm_timer.h:13: ERROR: code indent should use tabs where possible

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/kvm_timer.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kvm/kvm_timer.h b/arch/x86/kvm/kvm_timer.h
index 55c7524dda5..64bc6ea78d9 100644
--- a/arch/x86/kvm/kvm_timer.h
+++ b/arch/x86/kvm/kvm_timer.h
@@ -10,9 +10,7 @@ struct kvm_timer {
 };
 
 struct kvm_timer_ops {
-        bool (*is_periodic)(struct kvm_timer *);
+	bool (*is_periodic)(struct kvm_timer *);
 };
 
-
 enum hrtimer_restart kvm_timer_fn(struct hrtimer *data);
-

From d24778265ac9b2602889a5e99c6e7ba777a236df Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 1 Mar 2010 15:34:34 +0100
Subject: [PATCH 1571/3638] KVM: SVM: Return correct values in
 nested_svm_exit_handled_msr

The nested_svm_exit_handled_msr() returned an bool which is
a bug. I worked by accident because the exected integer
return values match with the true and false values. This
patch changes the return value to int and let the function
return the correct values.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/svm.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 6882be5b926..07437ca1278 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1552,16 +1552,16 @@ static void nested_svm_unmap(struct page *page)
 	kvm_release_page_dirty(page);
 }
 
-static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm)
+static int nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 {
 	u32 param = svm->vmcb->control.exit_info_1 & 1;
 	u32 msr = svm->vcpu.arch.regs[VCPU_REGS_RCX];
-	bool ret = false;
 	u32 t0, t1;
+	int ret;
 	u8 val;
 
 	if (!(svm->nested.intercept & (1ULL << INTERCEPT_MSR_PROT)))
-		return false;
+		return NESTED_EXIT_HOST;
 
 	switch (msr) {
 	case 0 ... 0x1fff:
@@ -1579,12 +1579,12 @@ static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 		t0 %= 8;
 		break;
 	default:
-		ret = true;
+		ret = NESTED_EXIT_DONE;
 		goto out;
 	}
 
 	if (!kvm_read_guest(svm->vcpu.kvm, svm->nested.vmcb_msrpm + t1, &val, 1))
-		ret = val & ((1 << param) << t0);
+		ret = val & ((1 << param) << t0) ? NESTED_EXIT_DONE : NESTED_EXIT_HOST;
 
 out:
 	return ret;

From 455716fa941ec7a03c04bd54e1b906698171b15c Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 1 Mar 2010 15:34:35 +0100
Subject: [PATCH 1572/3638] KVM: SVM: Move msrpm offset calculation to seperate
 function

The algorithm to find the offset in the msrpm for a given
msr is needed at other places too. Move that logic to its
own function.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/svm.c | 51 ++++++++++++++++++++++++++++++++--------------
 1 file changed, 36 insertions(+), 15 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 07437ca1278..429a24435c6 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -117,6 +117,8 @@ struct vcpu_svm {
 	unsigned long int3_rip;
 };
 
+#define MSR_INVALID			0xffffffffU
+
 /* enable NPT for AMD64 and X86 with PAE */
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
 static bool npt_enabled = true;
@@ -200,6 +202,27 @@ static u32 msrpm_ranges[] = {0, 0xc0000000, 0xc0010000};
 #define MSRS_RANGE_SIZE 2048
 #define MSRS_IN_RANGE (MSRS_RANGE_SIZE * 8 / 2)
 
+static u32 svm_msrpm_offset(u32 msr)
+{
+	u32 offset;
+	int i;
+
+	for (i = 0; i < NUM_MSR_MAPS; i++) {
+		if (msr < msrpm_ranges[i] ||
+		    msr >= msrpm_ranges[i] + MSRS_IN_RANGE)
+			continue;
+
+		offset  = (msr - msrpm_ranges[i]) / 4; /* 4 msrs per u8 */
+		offset += (i * MSRS_RANGE_SIZE);       /* add range offset */
+
+		/* Now we have the u8 offset - but need the u32 offset */
+		return offset / 4;
+	}
+
+	/* MSR not in any range */
+	return MSR_INVALID;
+}
+
 #define MAX_INST_SIZE 15
 
 static inline u32 svm_has(u32 feat)
@@ -418,23 +441,21 @@ err_1:
 static void set_msr_interception(u32 *msrpm, unsigned msr,
 				 int read, int write)
 {
-	int i;
+	u8 bit_read, bit_write;
+	unsigned long tmp;
+	u32 offset;
 
-	for (i = 0; i < NUM_MSR_MAPS; i++) {
-		if (msr >= msrpm_ranges[i] &&
-		    msr < msrpm_ranges[i] + MSRS_IN_RANGE) {
-			u32 msr_offset = (i * MSRS_IN_RANGE + msr -
-					  msrpm_ranges[i]) * 2;
+	offset    = svm_msrpm_offset(msr);
+	bit_read  = 2 * (msr & 0x0f);
+	bit_write = 2 * (msr & 0x0f) + 1;
+	tmp       = msrpm[offset];
 
-			u32 *base = msrpm + (msr_offset / 32);
-			u32 msr_shift = msr_offset % 32;
-			u32 mask = ((write) ? 0 : 2) | ((read) ? 0 : 1);
-			*base = (*base & ~(0x3 << msr_shift)) |
-				(mask << msr_shift);
-			return;
-		}
-	}
-	BUG();
+	BUG_ON(offset == MSR_INVALID);
+
+	read  ? clear_bit(bit_read,  &tmp) : set_bit(bit_read,  &tmp);
+	write ? clear_bit(bit_write, &tmp) : set_bit(bit_write, &tmp);
+
+	msrpm[offset] = tmp;
 }
 
 static void svm_vcpu_init_msrpm(u32 *msrpm)

From ac72a9b733995cb3ef538000f6309b5e724aa469 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 1 Mar 2010 15:34:36 +0100
Subject: [PATCH 1573/3638] KVM: SVM: Introduce direct access msr list

This patch introduces a list with all msrs a guest might
have direct access to and changes the svm_vcpu_init_msrpm
function to use this list.
It also adds a check to set_msr_interception which triggers
a warning if a developer changes a msr intercept that is not
in the list.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/svm.c | 56 +++++++++++++++++++++++++++++++++++++---------
 1 file changed, 46 insertions(+), 10 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 429a24435c6..a079550d388 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -119,6 +119,27 @@ struct vcpu_svm {
 
 #define MSR_INVALID			0xffffffffU
 
+static struct svm_direct_access_msrs {
+	u32 index;   /* Index of the MSR */
+	bool always; /* True if intercept is always on */
+} direct_access_msrs[] = {
+	{ .index = MSR_K6_STAR,				.always = true  },
+	{ .index = MSR_IA32_SYSENTER_CS,		.always = true  },
+#ifdef CONFIG_X86_64
+	{ .index = MSR_GS_BASE,				.always = true  },
+	{ .index = MSR_FS_BASE,				.always = true  },
+	{ .index = MSR_KERNEL_GS_BASE,			.always = true  },
+	{ .index = MSR_LSTAR,				.always = true  },
+	{ .index = MSR_CSTAR,				.always = true  },
+	{ .index = MSR_SYSCALL_MASK,			.always = true  },
+#endif
+	{ .index = MSR_IA32_LASTBRANCHFROMIP,		.always = false },
+	{ .index = MSR_IA32_LASTBRANCHTOIP,		.always = false },
+	{ .index = MSR_IA32_LASTINTFROMIP,		.always = false },
+	{ .index = MSR_IA32_LASTINTTOIP,		.always = false },
+	{ .index = MSR_INVALID,				.always = false },
+};
+
 /* enable NPT for AMD64 and X86 with PAE */
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
 static bool npt_enabled = true;
@@ -438,6 +459,17 @@ err_1:
 
 }
 
+static bool valid_msr_intercept(u32 index)
+{
+	int i;
+
+	for (i = 0; direct_access_msrs[i].index != MSR_INVALID; i++)
+		if (direct_access_msrs[i].index == index)
+			return true;
+
+	return false;
+}
+
 static void set_msr_interception(u32 *msrpm, unsigned msr,
 				 int read, int write)
 {
@@ -445,6 +477,12 @@ static void set_msr_interception(u32 *msrpm, unsigned msr,
 	unsigned long tmp;
 	u32 offset;
 
+	/*
+	 * If this warning triggers extend the direct_access_msrs list at the
+	 * beginning of the file
+	 */
+	WARN_ON(!valid_msr_intercept(msr));
+
 	offset    = svm_msrpm_offset(msr);
 	bit_read  = 2 * (msr & 0x0f);
 	bit_write = 2 * (msr & 0x0f) + 1;
@@ -460,18 +498,16 @@ static void set_msr_interception(u32 *msrpm, unsigned msr,
 
 static void svm_vcpu_init_msrpm(u32 *msrpm)
 {
+	int i;
+
 	memset(msrpm, 0xff, PAGE_SIZE * (1 << MSRPM_ALLOC_ORDER));
 
-#ifdef CONFIG_X86_64
-	set_msr_interception(msrpm, MSR_GS_BASE, 1, 1);
-	set_msr_interception(msrpm, MSR_FS_BASE, 1, 1);
-	set_msr_interception(msrpm, MSR_KERNEL_GS_BASE, 1, 1);
-	set_msr_interception(msrpm, MSR_LSTAR, 1, 1);
-	set_msr_interception(msrpm, MSR_CSTAR, 1, 1);
-	set_msr_interception(msrpm, MSR_SYSCALL_MASK, 1, 1);
-#endif
-	set_msr_interception(msrpm, MSR_K6_STAR, 1, 1);
-	set_msr_interception(msrpm, MSR_IA32_SYSENTER_CS, 1, 1);
+	for (i = 0; direct_access_msrs[i].index != MSR_INVALID; i++) {
+		if (!direct_access_msrs[i].always)
+			continue;
+
+		set_msr_interception(msrpm, direct_access_msrs[i].index, 1, 1);
+	}
 }
 
 static void svm_enable_lbrv(struct vcpu_svm *svm)

From 323c3d809b8bd42d6d557c734d4bdfdefa110445 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 1 Mar 2010 15:34:37 +0100
Subject: [PATCH 1574/3638] KVM: SVM: Optimize nested svm msrpm merging

This patch optimizes the way the msrpm of the host and the
guest are merged. The old code merged the 2 msrpm pages
completly. This code needed to touch 24kb of memory for that
operation. The optimized variant this patch introduces
merges only the parts where the host msrpm may contain zero
bits. This reduces the amount of memory which is touched to
48 bytes.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/svm.c | 80 ++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 71 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index a079550d388..45a287e51e1 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -93,6 +93,9 @@ struct nested_state {
 
 };
 
+#define MSRPM_OFFSETS	16
+static u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
+
 struct vcpu_svm {
 	struct kvm_vcpu vcpu;
 	struct vmcb *vmcb;
@@ -510,6 +513,49 @@ static void svm_vcpu_init_msrpm(u32 *msrpm)
 	}
 }
 
+static void add_msr_offset(u32 offset)
+{
+	int i;
+
+	for (i = 0; i < MSRPM_OFFSETS; ++i) {
+
+		/* Offset already in list? */
+		if (msrpm_offsets[i] == offset)
+			return;
+
+		/* Slot used by another offset? */
+		if (msrpm_offsets[i] != MSR_INVALID)
+			continue;
+
+		/* Add offset to list */
+		msrpm_offsets[i] = offset;
+
+		return;
+	}
+
+	/*
+	 * If this BUG triggers the msrpm_offsets table has an overflow. Just
+	 * increase MSRPM_OFFSETS in this case.
+	 */
+	BUG();
+}
+
+static void init_msrpm_offsets(void)
+{
+	int i;
+
+	memset(msrpm_offsets, 0xff, sizeof(msrpm_offsets));
+
+	for (i = 0; direct_access_msrs[i].index != MSR_INVALID; i++) {
+		u32 offset;
+
+		offset = svm_msrpm_offset(direct_access_msrs[i].index);
+		BUG_ON(offset == MSR_INVALID);
+
+		add_msr_offset(offset);
+	}
+}
+
 static void svm_enable_lbrv(struct vcpu_svm *svm)
 {
 	u32 *msrpm = svm->msrpm;
@@ -548,6 +594,8 @@ static __init int svm_hardware_setup(void)
 	memset(iopm_va, 0xff, PAGE_SIZE * (1 << IOPM_ALLOC_ORDER));
 	iopm_base = page_to_pfn(iopm_pages) << PAGE_SHIFT;
 
+	init_msrpm_offsets();
+
 	if (boot_cpu_has(X86_FEATURE_NX))
 		kvm_enable_efer_bits(EFER_NX);
 
@@ -811,6 +859,7 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
 	svm_vcpu_init_msrpm(svm->msrpm);
 
 	svm->nested.msrpm = page_address(nested_msrpm_pages);
+	svm_vcpu_init_msrpm(svm->nested.msrpm);
 
 	svm->vmcb = page_address(page);
 	clear_page(svm->vmcb);
@@ -1888,21 +1937,34 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 
 static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
 {
-	u32 *nested_msrpm;
-	struct page *page;
+	/*
+	 * This function merges the msr permission bitmaps of kvm and the
+	 * nested vmcb. It is omptimized in that it only merges the parts where
+	 * the kvm msr permission bitmap may contain zero bits
+	 */
 	int i;
 
-	nested_msrpm = nested_svm_map(svm, svm->nested.vmcb_msrpm, &page);
-	if (!nested_msrpm)
-		return false;
+	if (!(svm->nested.intercept & (1ULL << INTERCEPT_MSR_PROT)))
+		return true;
 
-	for (i = 0; i < PAGE_SIZE * (1 << MSRPM_ALLOC_ORDER) / 4; i++)
-		svm->nested.msrpm[i] = svm->msrpm[i] | nested_msrpm[i];
+	for (i = 0; i < MSRPM_OFFSETS; i++) {
+		u32 value, p;
+		u64 offset;
+
+		if (msrpm_offsets[i] == 0xffffffff)
+			break;
+
+		offset = svm->nested.vmcb_msrpm + msrpm_offsets[i];
+		p      = msrpm_offsets[i] / 4;
+
+		if (kvm_read_guest(svm->vcpu.kvm, offset, &value, 4))
+			return false;
+
+		svm->nested.msrpm[p] = svm->msrpm[p] | value;
+	}
 
 	svm->vmcb->control.msrpm_base_pa = __pa(svm->nested.msrpm);
 
-	nested_svm_unmap(page);
-
 	return true;
 }
 

From 0d6b35378e80c555e20ca3aa3d3cc609b403cbb6 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 1 Mar 2010 15:34:38 +0100
Subject: [PATCH 1575/3638] KVM: SVM: Use svm_msrpm_offset in
 nested_svm_exit_handled_msr

There is a generic function now to calculate msrpm offsets.
Use that function in nested_svm_exit_handled_msr() remove
the duplicate logic (which had a bug anyway).

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/svm.c | 47 +++++++++++++++++-----------------------------
 1 file changed, 17 insertions(+), 30 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 45a287e51e1..7cb2eb906ec 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1660,40 +1660,27 @@ static void nested_svm_unmap(struct page *page)
 
 static int nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 {
-	u32 param = svm->vmcb->control.exit_info_1 & 1;
-	u32 msr = svm->vcpu.arch.regs[VCPU_REGS_RCX];
-	u32 t0, t1;
-	int ret;
-	u8 val;
+	u32 offset, msr, value;
+	int write, mask;
 
 	if (!(svm->nested.intercept & (1ULL << INTERCEPT_MSR_PROT)))
 		return NESTED_EXIT_HOST;
 
-	switch (msr) {
-	case 0 ... 0x1fff:
-		t0 = (msr * 2) % 8;
-		t1 = msr / 8;
-		break;
-	case 0xc0000000 ... 0xc0001fff:
-		t0 = (8192 + msr - 0xc0000000) * 2;
-		t1 = (t0 / 8);
-		t0 %= 8;
-		break;
-	case 0xc0010000 ... 0xc0011fff:
-		t0 = (16384 + msr - 0xc0010000) * 2;
-		t1 = (t0 / 8);
-		t0 %= 8;
-		break;
-	default:
-		ret = NESTED_EXIT_DONE;
-		goto out;
-	}
+	msr    = svm->vcpu.arch.regs[VCPU_REGS_RCX];
+	offset = svm_msrpm_offset(msr);
+	write  = svm->vmcb->control.exit_info_1 & 1;
+	mask   = 1 << ((2 * (msr & 0xf)) + write);
 
-	if (!kvm_read_guest(svm->vcpu.kvm, svm->nested.vmcb_msrpm + t1, &val, 1))
-		ret = val & ((1 << param) << t0) ? NESTED_EXIT_DONE : NESTED_EXIT_HOST;
+	if (offset == MSR_INVALID)
+		return NESTED_EXIT_DONE;
 
-out:
-	return ret;
+	/* Offset is in 32 bit units but need in 8 bit units */
+	offset *= 4;
+
+	if (kvm_read_guest(svm->vcpu.kvm, svm->nested.vmcb_msrpm + offset, &value, 4))
+		return NESTED_EXIT_DONE;
+
+	return (value & mask) ? NESTED_EXIT_DONE : NESTED_EXIT_HOST;
 }
 
 static int nested_svm_exit_special(struct vcpu_svm *svm)
@@ -1954,8 +1941,8 @@ static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
 		if (msrpm_offsets[i] == 0xffffffff)
 			break;
 
-		offset = svm->nested.vmcb_msrpm + msrpm_offsets[i];
-		p      = msrpm_offsets[i] / 4;
+		p      = msrpm_offsets[i];
+		offset = svm->nested.vmcb_msrpm + (p * 4);
 
 		if (kvm_read_guest(svm->vcpu.kvm, offset, &value, 4))
 			return false;

From ce2ac085ff1500aad157cabd8221b7c38eb751bd Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 1 Mar 2010 15:34:39 +0100
Subject: [PATCH 1576/3638] KVM; SVM: Add correct handling of nested iopm

This patch adds the correct handling of the nested io
permission bitmap. Old behavior was to not lookup the port
in the iopm but only reinject an io intercept to the guest.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/svm.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 7cb2eb906ec..ddea391e78c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -79,6 +79,7 @@ struct nested_state {
 
 	/* gpa pointers to the real vectors */
 	u64 vmcb_msrpm;
+	u64 vmcb_iopm;
 
 	/* A VMEXIT is required but not yet emulated */
 	bool exit_required;
@@ -1658,6 +1659,26 @@ static void nested_svm_unmap(struct page *page)
 	kvm_release_page_dirty(page);
 }
 
+static int nested_svm_intercept_ioio(struct vcpu_svm *svm)
+{
+	unsigned port;
+	u8 val, bit;
+	u64 gpa;
+
+	if (!(svm->nested.intercept & (1ULL << INTERCEPT_IOIO_PROT)))
+		return NESTED_EXIT_HOST;
+
+	port = svm->vmcb->control.exit_info_1 >> 16;
+	gpa  = svm->nested.vmcb_iopm + (port / 8);
+	bit  = port % 8;
+	val  = 0;
+
+	if (kvm_read_guest(svm->vcpu.kvm, gpa, &val, 1))
+		val &= (1 << bit);
+
+	return val ? NESTED_EXIT_DONE : NESTED_EXIT_HOST;
+}
+
 static int nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 {
 	u32 offset, msr, value;
@@ -1723,6 +1744,9 @@ static int nested_svm_intercept(struct vcpu_svm *svm)
 	case SVM_EXIT_MSR:
 		vmexit = nested_svm_exit_handled_msr(svm);
 		break;
+	case SVM_EXIT_IOIO:
+		vmexit = nested_svm_intercept_ioio(svm);
+		break;
 	case SVM_EXIT_READ_CR0 ... SVM_EXIT_READ_CR8: {
 		u32 cr_bits = 1 << (exit_code - SVM_EXIT_READ_CR0);
 		if (svm->nested.intercept_cr_read & cr_bits)
@@ -2047,6 +2071,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	svm->vmcb->save.cpl = nested_vmcb->save.cpl;
 
 	svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa;
+	svm->nested.vmcb_iopm  = nested_vmcb->control.iopm_base_pa  & ~0x0fffULL;
 
 	/* cache intercepts */
 	svm->nested.intercept_cr_read    = nested_vmcb->control.intercept_cr_read;

From f71385383fb86246ab3c69cc17a09ef9883590d8 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 1 Mar 2010 15:34:40 +0100
Subject: [PATCH 1577/3638] KVM: SVM: Ignore lower 12 bit of nested msrpm_pa

These bits are ignored by the hardware too. Implement this
for nested svm too.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/svm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ddea391e78c..490bec19988 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2070,7 +2070,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	svm->vmcb->save.dr6 = nested_vmcb->save.dr6;
 	svm->vmcb->save.cpl = nested_vmcb->save.cpl;
 
-	svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa;
+	svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa & ~0x0fffULL;
 	svm->nested.vmcb_iopm  = nested_vmcb->control.iopm_base_pa  & ~0x0fffULL;
 
 	/* cache intercepts */

From 835e6b80478e59820cff127adba3e518ae5a43f5 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Wed, 3 Mar 2010 17:53:05 +0200
Subject: [PATCH 1578/3638] KVM: x86 emulator mark VMMCALL and LMSW as
 privileged

LMSW is present in both group tables. It was marked privileged only in
one of them. Intel analog of VMMCALL is already marked privileged.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 5b6794adaa2..2832a8c07c6 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -362,9 +362,9 @@ static u32 group_table[] = {
 
 static u32 group2_table[] = {
 	[Group7*8] =
-	SrcNone | ModRM | Priv, 0, 0, SrcNone | ModRM,
+	SrcNone | ModRM | Priv, 0, 0, SrcNone | ModRM | Priv,
 	SrcNone | ModRM | DstMem | Mov, 0,
-	SrcMem16 | ModRM | Mov, 0,
+	SrcMem16 | ModRM | Mov | Priv, 0,
 	[Group9*8] =
 	0, 0, 0, 0, 0, 0, 0, 0,
 };

From 7b06bf2ffa15e119c7439ed0b024d44f66d7b605 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Tue, 9 Mar 2010 14:37:53 +0800
Subject: [PATCH 1579/3638] KVM: s390: Fix possible memory leak of in
 kvm_arch_vcpu_create()

This patch fixed possible memory leak in kvm_arch_vcpu_create()
under s390, which would happen when kvm_arch_vcpu_create() fails.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Cc: stable@kernel.org
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/s390/kvm/kvm-s390.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 49292869a5c..ee7c713686c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -341,11 +341,13 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
 
 	rc = kvm_vcpu_init(vcpu, kvm, id);
 	if (rc)
-		goto out_free_cpu;
+		goto out_free_sie_block;
 	VM_EVENT(kvm, 3, "create cpu %d at %p, sie block at %p", id, vcpu,
 		 vcpu->arch.sie_block);
 
 	return vcpu;
+out_free_sie_block:
+	free_page((unsigned long)(vcpu->arch.sie_block));
 out_free_cpu:
 	kfree(vcpu);
 out_nomem:

From 06056bfb944a0302a8f22eb45f09123de7fb417b Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Tue, 9 Mar 2010 14:13:43 +0800
Subject: [PATCH 1580/3638] KVM: PPC: Do not create debugfs if fail to create
 vcpu

If fail to create the vcpu, we should not create the debugfs
for it.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Alexander Graf <agraf@suse.de>
Cc: stable@kernel.org
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/powerpc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index ace31ca0524..3f8677e9d8f 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -194,7 +194,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 {
 	struct kvm_vcpu *vcpu;
 	vcpu = kvmppc_core_vcpu_create(kvm, id);
-	kvmppc_create_vcpu_debugfs(vcpu, id);
+	if (!IS_ERR(vcpu))
+		kvmppc_create_vcpu_debugfs(vcpu, id);
 	return vcpu;
 }
 

From 2ed152afc7ed61830b848b32936e1541a1a57799 Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Wed, 10 Mar 2010 19:00:43 +0800
Subject: [PATCH 1581/3638] KVM: cleanup kvm trace

This patch does:

 - no need call tracepoint_synchronize_unregister() when kvm module
   is unloaded since ftrace can handle it

 - cleanup ftrace's macro

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/mmu.c         | 1 -
 arch/x86/kvm/mmutrace.h    | 7 +++++--
 arch/x86/kvm/trace.h       | 7 +++++--
 arch/x86/kvm/x86.c         | 2 +-
 include/trace/events/kvm.h | 1 -
 virt/kvm/kvm_main.c        | 1 -
 6 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 19a8906bcaa..3af2dfd8778 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -148,7 +148,6 @@ module_param(oos_shadow, bool, 0644);
 
 #include <trace/events/kvm.h>
 
-#undef TRACE_INCLUDE_FILE
 #define CREATE_TRACE_POINTS
 #include "mmutrace.h"
 
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index 3e4a5c6ca2a..1fe956ab761 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -6,8 +6,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvmmmu
-#define TRACE_INCLUDE_PATH .
-#define TRACE_INCLUDE_FILE mmutrace
 
 #define KVM_MMU_PAGE_FIELDS \
 	__field(__u64, gfn) \
@@ -216,5 +214,10 @@ TRACE_EVENT(
 
 #endif /* _TRACE_KVMMMU_H */
 
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE mmutrace
+
 /* This part must be outside protection */
 #include <trace/define_trace.h>
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 17b52ccd977..b75efef79e5 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -5,8 +5,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm
-#define TRACE_INCLUDE_PATH arch/x86/kvm
-#define TRACE_INCLUDE_FILE trace
 
 /*
  * Tracepoint for guest mode entry.
@@ -575,5 +573,10 @@ TRACE_EVENT(kvm_skinit,
 
 #endif /* _TRACE_KVM_H */
 
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH arch/x86/kvm
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
 /* This part must be outside protection */
 #include <trace/define_trace.h>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2b34dc705cf..74e70d975ff 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -41,7 +41,7 @@
 #include <linux/srcu.h>
 #include <linux/slab.h>
 #include <trace/events/kvm.h>
-#undef TRACE_INCLUDE_FILE
+
 #define CREATE_TRACE_POINTS
 #include "trace.h"
 
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index b17d49dfc3e..6dd3a51ab1c 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -5,7 +5,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm
-#define TRACE_INCLUDE_FILE kvm
 
 #if defined(__KVM_HAVE_IOAPIC)
 TRACE_EVENT(kvm_set_irq,
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 5bac6eb0f0a..b152b23cd09 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2279,7 +2279,6 @@ EXPORT_SYMBOL_GPL(kvm_init);
 
 void kvm_exit(void)
 {
-	tracepoint_synchronize_unregister();
 	kvm_exit_debug();
 	misc_deregister(&kvm_dev);
 	kmem_cache_destroy(kvm_vcpu_cache);

From d4f64b6cad0fc0fb4cec868c6ca6b1325949d08b Mon Sep 17 00:00:00 2001
From: Minchan Kim <minchan.kim@gmail.com>
Date: Wed, 10 Mar 2010 23:31:22 +0900
Subject: [PATCH 1582/3638] KVM: remove redundant initialization of
 page->private

The prep_new_page() in page allocator calls set_page_private(page, 0).
So we don't need to reinitialize private of page.

Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Cc: Avi Kivity<avi@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/mmu.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 3af2dfd8778..4455ddbe36f 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -326,7 +326,6 @@ static int mmu_topup_memory_cache_page(struct kvm_mmu_memory_cache *cache,
 		page = alloc_page(GFP_KERNEL);
 		if (!page)
 			return -ENOMEM;
-		set_page_private(page, 0);
 		cache->objects[cache->nobjs++] = page_address(page);
 	}
 	return 0;

From 5bfd8b5455e69b37af16a2df1edae2c3b567648c Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 11 Mar 2010 10:50:44 +0200
Subject: [PATCH 1583/3638] KVM: Move kvm_exit tracepoint rip reading inside
 tracepoint

Reading rip is expensive on vmx, so move it inside the tracepoint so we only
incur the cost if tracing is enabled.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c   | 2 +-
 arch/x86/kvm/trace.h | 6 +++---
 arch/x86/kvm/vmx.c   | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 490bec19988..abbc3f9d03b 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2686,7 +2686,7 @@ static int handle_exit(struct kvm_vcpu *vcpu)
 	struct kvm_run *kvm_run = vcpu->run;
 	u32 exit_code = svm->vmcb->control.exit_code;
 
-	trace_kvm_exit(exit_code, svm->vmcb->save.rip);
+	trace_kvm_exit(exit_code, vcpu);
 
 	if (unlikely(svm->nested.exit_required)) {
 		nested_svm_vmexit(svm);
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index b75efef79e5..d10b359a21f 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -182,8 +182,8 @@ TRACE_EVENT(kvm_apic,
  * Tracepoint for kvm guest exit:
  */
 TRACE_EVENT(kvm_exit,
-	TP_PROTO(unsigned int exit_reason, unsigned long guest_rip),
-	TP_ARGS(exit_reason, guest_rip),
+	TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu),
+	TP_ARGS(exit_reason, vcpu),
 
 	TP_STRUCT__entry(
 		__field(	unsigned int,	exit_reason	)
@@ -192,7 +192,7 @@ TRACE_EVENT(kvm_exit,
 
 	TP_fast_assign(
 		__entry->exit_reason	= exit_reason;
-		__entry->guest_rip	= guest_rip;
+		__entry->guest_rip	= kvm_rip_read(vcpu);
 	),
 
 	TP_printk("reason %s rip 0x%lx",
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 8e2a24693be..3dbfc20824b 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3612,7 +3612,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
 	u32 exit_reason = vmx->exit_reason;
 	u32 vectoring_info = vmx->idt_vectoring_info;
 
-	trace_kvm_exit(exit_reason, kvm_rip_read(vcpu));
+	trace_kvm_exit(exit_reason, vcpu);
 
 	/* If guest state is invalid, start emulating */
 	if (vmx->emulation_required && emulate_invalid_guest_state)

From 5c1c85d08da5c257b21b0423b96fa6554aa4cb6f Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 11 Mar 2010 13:01:59 +0200
Subject: [PATCH 1584/3638] KVM: Trace exception injection

Often an exception can help point out where things start to go wrong.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/trace.h | 32 ++++++++++++++++++++++++++++++++
 arch/x86/kvm/x86.c   |  3 +++
 2 files changed, 35 insertions(+)

diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index d10b359a21f..32c912c40bf 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -219,6 +219,38 @@ TRACE_EVENT(kvm_inj_virq,
 	TP_printk("irq %u", __entry->irq)
 );
 
+#define EXS(x) { x##_VECTOR, "#" #x }
+
+#define kvm_trace_sym_exc						\
+	EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM),	\
+	EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF),		\
+	EXS(MF), EXS(MC)
+
+/*
+ * Tracepoint for kvm interrupt injection:
+ */
+TRACE_EVENT(kvm_inj_exception,
+	TP_PROTO(unsigned exception, bool has_error, unsigned error_code),
+	TP_ARGS(exception, has_error, error_code),
+
+	TP_STRUCT__entry(
+		__field(	u8,	exception	)
+		__field(	u8,	has_error	)
+		__field(	u32,	error_code	)
+	),
+
+	TP_fast_assign(
+		__entry->exception	= exception;
+		__entry->has_error	= has_error;
+		__entry->error_code	= error_code;
+	),
+
+	TP_printk("%s (0x%x)",
+		  __print_symbolic(__entry->exception, kvm_trace_sym_exc),
+		  /* FIXME: don't print error_code if not present */
+		  __entry->has_error ? __entry->error_code : 0)
+);
+
 /*
  * Tracepoint for page fault.
  */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 74e70d975ff..a1cf87fe9f3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4237,6 +4237,9 @@ static void inject_pending_event(struct kvm_vcpu *vcpu)
 {
 	/* try to reinject previous events if any */
 	if (vcpu->arch.exception.pending) {
+		trace_kvm_inj_exception(vcpu->arch.exception.nr,
+					vcpu->arch.exception.has_error_code,
+					vcpu->arch.exception.error_code);
 		kvm_x86_ops->queue_exception(vcpu, vcpu->arch.exception.nr,
 					  vcpu->arch.exception.has_error_code,
 					  vcpu->arch.exception.error_code);

From ec68798c8fd0f01cdbd3f3e1a970e76a644cf08e Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Fri, 5 Mar 2010 12:11:48 +0800
Subject: [PATCH 1585/3638] KVM: x86: Use native_store_idt() instead of
 kvm_get_idt()

This patch use generic linux function native_store_idt()
instead of kvm_get_idt(), and also removed the useless
function kvm_get_idt().

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 5 -----
 arch/x86/kvm/vmx.c              | 2 +-
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index ec891a2ce86..ea1b6c615f9 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -716,11 +716,6 @@ static inline void kvm_load_ldt(u16 sel)
 	asm("lldt %0" : : "rm"(sel));
 }
 
-static inline void kvm_get_idt(struct desc_ptr *table)
-{
-	asm("sidt %0" : "=m"(*table));
-}
-
 #ifdef CONFIG_X86_64
 static inline unsigned long read_msr(unsigned long msr)
 {
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 3dbfc20824b..33d88e0a060 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2452,7 +2452,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
 
 	vmcs_write16(HOST_TR_SELECTOR, GDT_ENTRY_TSS*8);  /* 22.2.4 */
 
-	kvm_get_idt(&dt);
+	native_store_idt(&dt);
 	vmcs_writel(HOST_IDTR_BASE, dt.address);   /* 22.2.4 */
 
 	asm("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return));

From 5c0d0920a270b9f2aa20c1cecb162703da32e766 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Fri, 12 Mar 2010 08:45:39 +0800
Subject: [PATCH 1586/3638] KVM: ia64: fix the error code of ioctl
 KVM_IA64_VCPU_GET_STACK failure

The ioctl KVM_IA64_VCPU_GET_STACK does not set the error code if
copy_to_user() fail, and 0 will be return, we should use -EFAULT
instead of 0 in this case, so this patch fixed it.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/ia64/kvm/kvm-ia64.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 7f3c0a2e60c..38d51302f5b 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -1535,8 +1535,10 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
 			goto out;
 
 		if (copy_to_user(user_stack, stack,
-				 sizeof(struct kvm_ia64_vcpu_stack)))
+				 sizeof(struct kvm_ia64_vcpu_stack))) {
+			r = -EFAULT;
 			goto out;
+		}
 
 		break;
 	}

From 160d2f6c0c90713aa3bb93dd344fe0d527342e26 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Fri, 12 Mar 2010 10:09:45 +0800
Subject: [PATCH 1587/3638] KVM: x86: fix the error of ioctl KVM_IRQ_LINE if no
 irq chip

If no irq chip in kernel, ioctl KVM_IRQ_LINE will return -EFAULT.
But I see in other place such as KVM_[GET|SET]IRQCHIP, -ENXIO is
return. So this patch used -ENXIO instead of -EFAULT.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a1cf87fe9f3..7a8fe9051ec 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2836,11 +2836,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
 		r = -EFAULT;
 		if (copy_from_user(&irq_event, argp, sizeof irq_event))
 			goto out;
+		r = -ENXIO;
 		if (irqchip_in_kernel(kvm)) {
 			__s32 status;
 			status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
 					irq_event.irq, irq_event.level);
 			if (ioctl == KVM_IRQ_LINE_STATUS) {
+				r = -EFAULT;
 				irq_event.status = status;
 				if (copy_to_user(argp, &irq_event,
 							sizeof irq_event))

From 600f1ec3761671307935a583c46f17fff0fa9b72 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Fri, 12 Mar 2010 10:11:15 +0800
Subject: [PATCH 1588/3638] KVM: ia64: fix the error of ioctl KVM_IRQ_LINE if
 no irq chip

If no irq chip in kernel, ioctl KVM_IRQ_LINE will return -EFAULT.
But I see in other place such as KVM_[GET|SET]IRQCHIP, -ENXIO is
return. So this patch used -ENXIO instead of -EFAULT.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/ia64/kvm/kvm-ia64.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 38d51302f5b..d7bac1f75af 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -979,11 +979,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
 		r = -EFAULT;
 		if (copy_from_user(&irq_event, argp, sizeof irq_event))
 			goto out;
+		r = -ENXIO;
 		if (irqchip_in_kernel(kvm)) {
 			__s32 status;
 			status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
 				    irq_event.irq, irq_event.level);
 			if (ioctl == KVM_IRQ_LINE_STATUS) {
+				r = -EFAULT;
 				irq_event.status = status;
 				if (copy_to_user(argp, &irq_event,
 							sizeof irq_event))

From a87fa35514bcf17aeca97245574e3f735cec9074 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Fri, 12 Mar 2010 12:59:06 +0800
Subject: [PATCH 1589/3638] KVM: fix the errno of ioctl
 KVM_[UN]REGISTER_COALESCED_MMIO failure

This patch change the errno of ioctl KVM_[UN]REGISTER_COALESCED_MMIO
from -EINVAL to -ENXIO if no coalesced mmio dev exists.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 virt/kvm/coalesced_mmio.c | 4 ++--
 virt/kvm/kvm_main.c       | 2 --
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index 36e25802964..b66001f8754 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -139,7 +139,7 @@ int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
 	struct kvm_coalesced_mmio_dev *dev = kvm->coalesced_mmio_dev;
 
 	if (dev == NULL)
-		return -EINVAL;
+		return -ENXIO;
 
 	mutex_lock(&kvm->slots_lock);
 	if (dev->nb_zones >= KVM_COALESCED_MMIO_ZONE_MAX) {
@@ -162,7 +162,7 @@ int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
 	struct kvm_coalesced_mmio_zone *z;
 
 	if (dev == NULL)
-		return -EINVAL;
+		return -ENXIO;
 
 	mutex_lock(&kvm->slots_lock);
 
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index b152b23cd09..0db6dfcc842 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1609,7 +1609,6 @@ static long kvm_vm_ioctl(struct file *filp,
 		r = -EFAULT;
 		if (copy_from_user(&zone, argp, sizeof zone))
 			goto out;
-		r = -ENXIO;
 		r = kvm_vm_ioctl_register_coalesced_mmio(kvm, &zone);
 		if (r)
 			goto out;
@@ -1621,7 +1620,6 @@ static long kvm_vm_ioctl(struct file *filp,
 		r = -EFAULT;
 		if (copy_from_user(&zone, argp, sizeof zone))
 			goto out;
-		r = -ENXIO;
 		r = kvm_vm_ioctl_unregister_coalesced_mmio(kvm, &zone);
 		if (r)
 			goto out;

From d57e2c0740bbdd768dcbafe58cf62174f31d7c2d Mon Sep 17 00:00:00 2001
From: jing zhang <zj.barak@gmail.com>
Date: Sat, 13 Mar 2010 15:00:45 +0800
Subject: [PATCH 1590/3638] KVM: fix assigned_device_enable_host_msix error
 handling

Free IRQ's and disable MSIX upon failure.

Cc: Avi Kivity <avi@redhat.com>
Signed-off-by: Jing Zhang <zj.barak@gmail.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 virt/kvm/assigned-dev.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
index 02ff2b19dbe..4d10b1e047f 100644
--- a/virt/kvm/assigned-dev.c
+++ b/virt/kvm/assigned-dev.c
@@ -316,12 +316,16 @@ static int assigned_device_enable_host_msix(struct kvm *kvm,
 				kvm_assigned_dev_intr, 0,
 				"kvm_assigned_msix_device",
 				(void *)dev);
-		/* FIXME: free requested_irq's on failure */
 		if (r)
-			return r;
+			goto err;
 	}
 
 	return 0;
+err:
+	for (i -= 1; i >= 0; i--)
+		free_irq(dev->host_msix_entries[i].vector, (void *)dev);
+	pci_disable_msix(dev->dev);
+	return r;
 }
 
 #endif

From 72016f3a4221799a0b1fdf443ef6e29db572a9bb Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 15 Mar 2010 13:59:53 +0200
Subject: [PATCH 1591/3638] KVM: MMU: Consolidate two guest pte reads in
 kvm_mmu_pte_write()

kvm_mmu_pte_write() reads guest ptes in two different occasions, both to
allow a 32-bit pae guest to update a pte with 4-byte writes.  Consolidate
these into a single read, which also allows us to consolidate another read
from an invlpg speculating a gpte into the shadow page table.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmu.c | 69 +++++++++++++++++++++-------------------------
 1 file changed, 31 insertions(+), 38 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 4455ddbe36f..91f8b171c82 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2560,36 +2560,11 @@ static bool last_updated_pte_accessed(struct kvm_vcpu *vcpu)
 }
 
 static void mmu_guess_page_from_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
-					  const u8 *new, int bytes)
+					  u64 gpte)
 {
 	gfn_t gfn;
-	int r;
-	u64 gpte = 0;
 	pfn_t pfn;
 
-	if (bytes != 4 && bytes != 8)
-		return;
-
-	/*
-	 * Assume that the pte write on a page table of the same type
-	 * as the current vcpu paging mode.  This is nearly always true
-	 * (might be false while changing modes).  Note it is verified later
-	 * by update_pte().
-	 */
-	if (is_pae(vcpu)) {
-		/* Handle a 32-bit guest writing two halves of a 64-bit gpte */
-		if ((bytes == 4) && (gpa % 4 == 0)) {
-			r = kvm_read_guest(vcpu->kvm, gpa & ~(u64)7, &gpte, 8);
-			if (r)
-				return;
-			memcpy((void *)&gpte + (gpa % 8), new, 4);
-		} else if ((bytes == 8) && (gpa % 8 == 0)) {
-			memcpy((void *)&gpte, new, 8);
-		}
-	} else {
-		if ((bytes == 4) && (gpa % 4 == 0))
-			memcpy((void *)&gpte, new, 4);
-	}
 	if (!is_present_gpte(gpte))
 		return;
 	gfn = (gpte & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT;
@@ -2640,7 +2615,34 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 	int r;
 
 	pgprintk("%s: gpa %llx bytes %d\n", __func__, gpa, bytes);
-	mmu_guess_page_from_pte_write(vcpu, gpa, new, bytes);
+
+	switch (bytes) {
+	case 4:
+		gentry = *(const u32 *)new;
+		break;
+	case 8:
+		gentry = *(const u64 *)new;
+		break;
+	default:
+		gentry = 0;
+		break;
+	}
+
+	/*
+	 * Assume that the pte write on a page table of the same type
+	 * as the current vcpu paging mode.  This is nearly always true
+	 * (might be false while changing modes).  Note it is verified later
+	 * by update_pte().
+	 */
+	if (is_pae(vcpu) && bytes == 4) {
+		/* Handle a 32-bit guest writing two halves of a 64-bit gpte */
+		gpa &= ~(gpa_t)7;
+		r = kvm_read_guest(vcpu->kvm, gpa, &gentry, 8);
+		if (r)
+			gentry = 0;
+	}
+
+	mmu_guess_page_from_pte_write(vcpu, gpa, gentry);
 	spin_lock(&vcpu->kvm->mmu_lock);
 	kvm_mmu_access_page(vcpu, gfn);
 	kvm_mmu_free_some_pages(vcpu);
@@ -2705,20 +2707,11 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 				continue;
 		}
 		spte = &sp->spt[page_offset / sizeof(*spte)];
-		if ((gpa & (pte_size - 1)) || (bytes < pte_size)) {
-			gentry = 0;
-			r = kvm_read_guest_atomic(vcpu->kvm,
-						  gpa & ~(u64)(pte_size - 1),
-						  &gentry, pte_size);
-			new = (const void *)&gentry;
-			if (r < 0)
-				new = NULL;
-		}
 		while (npte--) {
 			entry = *spte;
 			mmu_pte_write_zap_pte(vcpu, sp, spte);
-			if (new)
-				mmu_pte_write_new_pte(vcpu, sp, spte, new);
+			if (gentry)
+				mmu_pte_write_new_pte(vcpu, sp, spte, &gentry);
 			mmu_pte_write_flush_tlb(vcpu, entry, *spte);
 			++spte;
 		}

From daea3e73cb4ac971bee97f333ae027861d00fc0b Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 15 Mar 2010 13:59:54 +0200
Subject: [PATCH 1592/3638] KVM: Make locked operations truly atomic

Once upon a time, locked operations were emulated while holding the mmu mutex.
Since mmu pages were write protected, it was safe to emulate the writes in
a non-atomic manner, since there could be no other writer, either in the
guest or in the kernel.

These days emulation takes place without holding the mmu spinlock, so the
write could be preempted by an unshadowing event, which exposes the page
to writes by the guest.  This may cause corruption of guest page tables.

Fix by using an atomic cmpxchg for these operations.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 69 ++++++++++++++++++++++++++++++++--------------
 1 file changed, 48 insertions(+), 21 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7a8fe9051ec..855f3ea9edd 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3291,41 +3291,68 @@ int emulator_write_emulated(unsigned long addr,
 }
 EXPORT_SYMBOL_GPL(emulator_write_emulated);
 
+#define CMPXCHG_TYPE(t, ptr, old, new) \
+	(cmpxchg((t *)(ptr), *(t *)(old), *(t *)(new)) == *(t *)(old))
+
+#ifdef CONFIG_X86_64
+#  define CMPXCHG64(ptr, old, new) CMPXCHG_TYPE(u64, ptr, old, new)
+#else
+#  define CMPXCHG64(ptr, old, new) \
+	(cmpxchg64((u64 *)(ptr), *(u64 *)(old), *(u *)(new)) == *(u64 *)(old))
+#endif
+
 static int emulator_cmpxchg_emulated(unsigned long addr,
 				     const void *old,
 				     const void *new,
 				     unsigned int bytes,
 				     struct kvm_vcpu *vcpu)
 {
-	printk_once(KERN_WARNING "kvm: emulating exchange as write\n");
-#ifndef CONFIG_X86_64
+	gpa_t gpa;
+	struct page *page;
+	char *kaddr;
+	bool exchanged;
+
 	/* guests cmpxchg8b have to be emulated atomically */
-	if (bytes == 8) {
-		gpa_t gpa;
-		struct page *page;
-		char *kaddr;
-		u64 val;
+	if (bytes > 8 || (bytes & (bytes - 1)))
+		goto emul_write;
 
-		gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, NULL);
+	gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, NULL);
 
-		if (gpa == UNMAPPED_GVA ||
-		   (gpa & PAGE_MASK) == APIC_DEFAULT_PHYS_BASE)
-			goto emul_write;
+	if (gpa == UNMAPPED_GVA ||
+	    (gpa & PAGE_MASK) == APIC_DEFAULT_PHYS_BASE)
+		goto emul_write;
 
-		if (((gpa + bytes - 1) & PAGE_MASK) != (gpa & PAGE_MASK))
-			goto emul_write;
+	if (((gpa + bytes - 1) & PAGE_MASK) != (gpa & PAGE_MASK))
+		goto emul_write;
 
-		val = *(u64 *)new;
+	page = gfn_to_page(vcpu->kvm, gpa >> PAGE_SHIFT);
 
-		page = gfn_to_page(vcpu->kvm, gpa >> PAGE_SHIFT);
-
-		kaddr = kmap_atomic(page, KM_USER0);
-		set_64bit((u64 *)(kaddr + offset_in_page(gpa)), val);
-		kunmap_atomic(kaddr, KM_USER0);
-		kvm_release_page_dirty(page);
+	kaddr = kmap_atomic(page, KM_USER0);
+	kaddr += offset_in_page(gpa);
+	switch (bytes) {
+	case 1:
+		exchanged = CMPXCHG_TYPE(u8, kaddr, old, new);
+		break;
+	case 2:
+		exchanged = CMPXCHG_TYPE(u16, kaddr, old, new);
+		break;
+	case 4:
+		exchanged = CMPXCHG_TYPE(u32, kaddr, old, new);
+		break;
+	case 8:
+		exchanged = CMPXCHG64(kaddr, old, new);
+		break;
+	default:
+		BUG();
 	}
+	kunmap_atomic(kaddr, KM_USER0);
+	kvm_release_page_dirty(page);
+
+	if (!exchanged)
+		return X86EMUL_CMPXCHG_FAILED;
+
 emul_write:
-#endif
+	printk_once(KERN_WARNING "kvm: emulating exchange as write\n");
 
 	return emulator_write_emulated(addr, new, bytes, vcpu);
 }

From 4a5f48f666ccc4ffdbc54241d9cab06806ed7922 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 15 Mar 2010 13:59:55 +0200
Subject: [PATCH 1593/3638] KVM: Don't follow an atomic operation by a
 non-atomic one

Currently emulated atomic operations are immediately followed by a non-atomic
operation, so that kvm_mmu_pte_write() can be invoked.  This updates the mmu
but undoes the whole point of doing things atomically.

Fix by only performing the atomic operation and the mmu update, and avoiding
the non-atomic write.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 855f3ea9edd..dd4a7ad63af 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3234,7 +3234,8 @@ int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
 static int emulator_write_emulated_onepage(unsigned long addr,
 					   const void *val,
 					   unsigned int bytes,
-					   struct kvm_vcpu *vcpu)
+					   struct kvm_vcpu *vcpu,
+					   bool mmu_only)
 {
 	gpa_t                 gpa;
 	u32 error_code;
@@ -3250,6 +3251,10 @@ static int emulator_write_emulated_onepage(unsigned long addr,
 	if ((gpa & PAGE_MASK) == APIC_DEFAULT_PHYS_BASE)
 		goto mmio;
 
+	if (mmu_only) {
+		kvm_mmu_pte_write(vcpu, gpa, val, bytes, 1);
+		return X86EMUL_CONTINUE;
+	}
 	if (emulator_write_phys(vcpu, gpa, val, bytes))
 		return X86EMUL_CONTINUE;
 
@@ -3270,24 +3275,35 @@ mmio:
 	return X86EMUL_CONTINUE;
 }
 
-int emulator_write_emulated(unsigned long addr,
+int __emulator_write_emulated(unsigned long addr,
 				   const void *val,
 				   unsigned int bytes,
-				   struct kvm_vcpu *vcpu)
+				   struct kvm_vcpu *vcpu,
+				   bool mmu_only)
 {
 	/* Crossing a page boundary? */
 	if (((addr + bytes - 1) ^ addr) & PAGE_MASK) {
 		int rc, now;
 
 		now = -addr & ~PAGE_MASK;
-		rc = emulator_write_emulated_onepage(addr, val, now, vcpu);
+		rc = emulator_write_emulated_onepage(addr, val, now, vcpu,
+						     mmu_only);
 		if (rc != X86EMUL_CONTINUE)
 			return rc;
 		addr += now;
 		val += now;
 		bytes -= now;
 	}
-	return emulator_write_emulated_onepage(addr, val, bytes, vcpu);
+	return emulator_write_emulated_onepage(addr, val, bytes, vcpu,
+					       mmu_only);
+}
+
+int emulator_write_emulated(unsigned long addr,
+				   const void *val,
+				   unsigned int bytes,
+				   struct kvm_vcpu *vcpu)
+{
+	return __emulator_write_emulated(addr, val, bytes, vcpu, false);
 }
 EXPORT_SYMBOL_GPL(emulator_write_emulated);
 
@@ -3351,6 +3367,8 @@ static int emulator_cmpxchg_emulated(unsigned long addr,
 	if (!exchanged)
 		return X86EMUL_CMPXCHG_FAILED;
 
+	return __emulator_write_emulated(addr, new, bytes, vcpu, true);
+
 emul_write:
 	printk_once(KERN_WARNING "kvm: emulating exchange as write\n");
 
@@ -4005,7 +4023,7 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu)
 
 	kvm_x86_ops->patch_hypercall(vcpu, instruction);
 
-	return emulator_write_emulated(rip, instruction, 3, vcpu);
+	return __emulator_write_emulated(rip, instruction, 3, vcpu, false);
 }
 
 static u64 mk_cr_64(u64 curr_cr, u32 new_val)

From fbc5d139bb92e6822e4c000f97631a072d8babf9 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 15 Mar 2010 13:59:56 +0200
Subject: [PATCH 1594/3638] KVM: MMU: Do not instantiate nontrapping spte on
 unsync page

The update_pte() path currently uses a nontrapping spte when a nonpresent
(or nonaccessed) gpte is written.  This is fine since at present it is only
used on sync pages.  However, on an unsync page this will cause an endless
fault loop as the guest is under no obligation to invlpg a gpte that
transitions from nonpresent to present.

Needed for the next patch which reinstates update_pte() on invlpg.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/paging_tmpl.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 81eab9a50e6..4b37e1acd37 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -258,11 +258,17 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page,
 	pt_element_t gpte;
 	unsigned pte_access;
 	pfn_t pfn;
+	u64 new_spte;
 
 	gpte = *(const pt_element_t *)pte;
 	if (~gpte & (PT_PRESENT_MASK | PT_ACCESSED_MASK)) {
-		if (!is_present_gpte(gpte))
-			__set_spte(spte, shadow_notrap_nonpresent_pte);
+		if (!is_present_gpte(gpte)) {
+			if (page->unsync)
+				new_spte = shadow_trap_nonpresent_pte;
+			else
+				new_spte = shadow_notrap_nonpresent_pte;
+			__set_spte(spte, new_spte);
+		}
 		return;
 	}
 	pgprintk("%s: gpte %llx spte %p\n", __func__, (u64)gpte, spte);

From 08e850c6536db302050c0287649e68e3bbdfe2c7 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 15 Mar 2010 13:59:57 +0200
Subject: [PATCH 1595/3638] KVM: MMU: Reinstate pte prefetch on invlpg

Commit fb341f57 removed the pte prefetch on guest invlpg, citing guest races.
However, the SDM is adamant that prefetch is allowed:

  "The processor may create entries in paging-structure caches for
   translations required for prefetches and for accesses that are a
   result of speculative execution that would never actually occur
   in the executed code path."

And, in fact, there was a race in the prefetch code: we picked up the pte
without the mmu lock held, so an older invlpg could install the pte over
a newer invlpg.

Reinstate the prefetch logic, but this time note whether another invlpg has
executed using a counter.  If a race occured, do not install the pte.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h |  1 +
 arch/x86/kvm/mmu.c              | 37 ++++++++++++++++++++-------------
 arch/x86/kvm/paging_tmpl.h      | 15 +++++++++++++
 3 files changed, 39 insertions(+), 14 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index ea1b6c615f9..28826c82d1e 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -389,6 +389,7 @@ struct kvm_arch {
 	unsigned int n_free_mmu_pages;
 	unsigned int n_requested_mmu_pages;
 	unsigned int n_alloc_mmu_pages;
+	atomic_t invlpg_counter;
 	struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES];
 	/*
 	 * Hash table of struct kvm_mmu_page.
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 91f8b171c82..064c3efb49d 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2613,9 +2613,30 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 	int flooded = 0;
 	int npte;
 	int r;
+	int invlpg_counter;
 
 	pgprintk("%s: gpa %llx bytes %d\n", __func__, gpa, bytes);
 
+	invlpg_counter = atomic_read(&vcpu->kvm->arch.invlpg_counter);
+
+	/*
+	 * Assume that the pte write on a page table of the same type
+	 * as the current vcpu paging mode.  This is nearly always true
+	 * (might be false while changing modes).  Note it is verified later
+	 * by update_pte().
+	 */
+	if ((is_pae(vcpu) && bytes == 4) || !new) {
+		/* Handle a 32-bit guest writing two halves of a 64-bit gpte */
+		if (is_pae(vcpu)) {
+			gpa &= ~(gpa_t)7;
+			bytes = 8;
+		}
+		r = kvm_read_guest(vcpu->kvm, gpa, &gentry, min(bytes, 8));
+		if (r)
+			gentry = 0;
+		new = (const u8 *)&gentry;
+	}
+
 	switch (bytes) {
 	case 4:
 		gentry = *(const u32 *)new;
@@ -2628,22 +2649,10 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 		break;
 	}
 
-	/*
-	 * Assume that the pte write on a page table of the same type
-	 * as the current vcpu paging mode.  This is nearly always true
-	 * (might be false while changing modes).  Note it is verified later
-	 * by update_pte().
-	 */
-	if (is_pae(vcpu) && bytes == 4) {
-		/* Handle a 32-bit guest writing two halves of a 64-bit gpte */
-		gpa &= ~(gpa_t)7;
-		r = kvm_read_guest(vcpu->kvm, gpa, &gentry, 8);
-		if (r)
-			gentry = 0;
-	}
-
 	mmu_guess_page_from_pte_write(vcpu, gpa, gentry);
 	spin_lock(&vcpu->kvm->mmu_lock);
+	if (atomic_read(&vcpu->kvm->arch.invlpg_counter) != invlpg_counter)
+		gentry = 0;
 	kvm_mmu_access_page(vcpu, gfn);
 	kvm_mmu_free_some_pages(vcpu);
 	++vcpu->kvm->stat.mmu_pte_write;
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 4b37e1acd37..067797a7276 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -463,6 +463,7 @@ out_unlock:
 static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
 {
 	struct kvm_shadow_walk_iterator iterator;
+	gpa_t pte_gpa = -1;
 	int level;
 	u64 *sptep;
 	int need_flush = 0;
@@ -476,6 +477,10 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
 		if (level == PT_PAGE_TABLE_LEVEL  ||
 		    ((level == PT_DIRECTORY_LEVEL && is_large_pte(*sptep))) ||
 		    ((level == PT_PDPE_LEVEL && is_large_pte(*sptep)))) {
+			struct kvm_mmu_page *sp = page_header(__pa(sptep));
+
+			pte_gpa = (sp->gfn << PAGE_SHIFT);
+			pte_gpa += (sptep - sp->spt) * sizeof(pt_element_t);
 
 			if (is_shadow_present_pte(*sptep)) {
 				rmap_remove(vcpu->kvm, sptep);
@@ -493,7 +498,17 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
 
 	if (need_flush)
 		kvm_flush_remote_tlbs(vcpu->kvm);
+
+	atomic_inc(&vcpu->kvm->arch.invlpg_counter);
+
 	spin_unlock(&vcpu->kvm->mmu_lock);
+
+	if (pte_gpa == -1)
+		return;
+
+	if (mmu_topup_memory_caches(vcpu))
+		return;
+	kvm_mmu_pte_write(vcpu, pte_gpa, NULL, sizeof(pt_element_t), 0);
 }
 
 static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr, u32 access,

From d6d367d6783e38634377bc66b62bff3ffd717e5f Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 15 Mar 2010 16:38:28 +0200
Subject: [PATCH 1596/3638] KVM: x86 emulator: Fix DstAcc decoding.

Set correct operation length. Add RAX (64bit) handling.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 2832a8c07c6..0b70a364f0f 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1194,9 +1194,9 @@ done_prefixes:
 		break;
 	case DstAcc:
 		c->dst.type = OP_REG;
-		c->dst.bytes = c->op_bytes;
+		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
 		c->dst.ptr = &c->regs[VCPU_REGS_RAX];
-		switch (c->op_bytes) {
+		switch (c->dst.bytes) {
 			case 1:
 				c->dst.val = *(u8 *)c->dst.ptr;
 				break;
@@ -1206,6 +1206,9 @@ done_prefixes:
 			case 4:
 				c->dst.val = *(u32 *)c->dst.ptr;
 				break;
+			case 8:
+				c->dst.val = *(u64 *)c->dst.ptr;
+				break;
 		}
 		c->dst.orig_val = c->dst.val;
 		break;

From c73e197bc525e67b71578126b679446f5b88b508 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 15 Mar 2010 16:38:29 +0200
Subject: [PATCH 1597/3638] KVM: x86 emulator: fix RCX access during rep
 emulation

During rep emulation access length to RCX depends on current address
mode.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 0b70a364f0f..4dce80560d2 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1852,7 +1852,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 
 	if (c->rep_prefix && (c->d & String)) {
 		/* All REP prefixes have the same first termination condition */
-		if (c->regs[VCPU_REGS_RCX] == 0) {
+		if (address_mask(c, c->regs[VCPU_REGS_RCX]) == 0) {
 			kvm_rip_write(ctxt->vcpu, c->eip);
 			goto done;
 		}
@@ -1876,7 +1876,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 				goto done;
 			}
 		}
-		c->regs[VCPU_REGS_RCX]--;
+		register_address_increment(c, &c->regs[VCPU_REGS_RCX], -1);
 		c->eip = kvm_rip_read(ctxt->vcpu);
 	}
 

From af5b4f7ff7ec76400b89db9538accd9aeb996da4 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 15 Mar 2010 16:38:30 +0200
Subject: [PATCH 1598/3638] KVM: x86 emulator: check return value against
 correct define

Check return value against correct define instead of open code
the value.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 4dce80560d2..670ca8f151d 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -566,7 +566,7 @@ static u32 group2_table[] = {
 #define insn_fetch(_type, _size, _eip)                                  \
 ({	unsigned long _x;						\
 	rc = do_insn_fetch(ctxt, ops, (_eip), &_x, (_size));		\
-	if (rc != 0)							\
+	if (rc != X86EMUL_CONTINUE)					\
 		goto done;						\
 	(_eip) += (_size);						\
 	(_type)_x;							\

From 49c6799a2ce3a6a4dd66021dabeb468901c7a700 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 15 Mar 2010 16:38:31 +0200
Subject: [PATCH 1599/3638] KVM: Remove pointer to rflags from realmode_set_cr
 parameters.

Mov reg, cr instruction doesn't change flags in any meaningful way, so
no need to update rflags after instruction execution.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 3 +--
 arch/x86/kvm/emulate.c          | 3 +--
 arch/x86/kvm/x86.c              | 4 +---
 3 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 28826c82d1e..53f52025947 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -587,8 +587,7 @@ void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
 		   unsigned long *rflags);
 
 unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr);
-void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value,
-		     unsigned long *rflags);
+void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value);
 void kvm_enable_efer_bits(u64);
 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data);
 int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 670ca8f151d..91450b5cd49 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2534,8 +2534,7 @@ twobyte_insn:
 	case 0x22: /* mov reg, cr */
 		if (c->modrm_mod != 3)
 			goto cannot_emulate;
-		realmode_set_cr(ctxt->vcpu,
-				c->modrm_reg, c->modrm_val, &ctxt->eflags);
+		realmode_set_cr(ctxt->vcpu, c->modrm_reg, c->modrm_val);
 		c->dst.type = OP_NONE;
 		break;
 	case 0x23: /* mov from reg to dr */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index dd4a7ad63af..35db4f0db4e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4080,13 +4080,11 @@ unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr)
 	return value;
 }
 
-void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long val,
-		     unsigned long *rflags)
+void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long val)
 {
 	switch (cr) {
 	case 0:
 		kvm_set_cr0(vcpu, mk_cr_64(kvm_read_cr0(vcpu), val));
-		*rflags = kvm_get_rflags(vcpu);
 		break;
 	case 2:
 		vcpu->arch.cr2 = val;

From 31299944584fd62df8b0cfa30ad2c56f445b8cf2 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Mon, 15 Mar 2010 17:29:09 +0800
Subject: [PATCH 1600/3638] KVM: VMX: change to use bool return values

Make use of bool as return values, and remove some useless
bool value converting. Thanks Avi to point this out.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/vmx.c | 54 +++++++++++++++++++++++-----------------------
 1 file changed, 27 insertions(+), 27 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 33d88e0a060..87b3c6843aa 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -234,56 +234,56 @@ static const u32 vmx_msr_index[] = {
 };
 #define NR_VMX_MSR ARRAY_SIZE(vmx_msr_index)
 
-static inline int is_page_fault(u32 intr_info)
+static inline bool is_page_fault(u32 intr_info)
 {
 	return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
 			     INTR_INFO_VALID_MASK)) ==
 		(INTR_TYPE_HARD_EXCEPTION | PF_VECTOR | INTR_INFO_VALID_MASK);
 }
 
-static inline int is_no_device(u32 intr_info)
+static inline bool is_no_device(u32 intr_info)
 {
 	return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
 			     INTR_INFO_VALID_MASK)) ==
 		(INTR_TYPE_HARD_EXCEPTION | NM_VECTOR | INTR_INFO_VALID_MASK);
 }
 
-static inline int is_invalid_opcode(u32 intr_info)
+static inline bool is_invalid_opcode(u32 intr_info)
 {
 	return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
 			     INTR_INFO_VALID_MASK)) ==
 		(INTR_TYPE_HARD_EXCEPTION | UD_VECTOR | INTR_INFO_VALID_MASK);
 }
 
-static inline int is_external_interrupt(u32 intr_info)
+static inline bool is_external_interrupt(u32 intr_info)
 {
 	return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK))
 		== (INTR_TYPE_EXT_INTR | INTR_INFO_VALID_MASK);
 }
 
-static inline int is_machine_check(u32 intr_info)
+static inline bool is_machine_check(u32 intr_info)
 {
 	return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK |
 			     INTR_INFO_VALID_MASK)) ==
 		(INTR_TYPE_HARD_EXCEPTION | MC_VECTOR | INTR_INFO_VALID_MASK);
 }
 
-static inline int cpu_has_vmx_msr_bitmap(void)
+static inline bool cpu_has_vmx_msr_bitmap(void)
 {
 	return vmcs_config.cpu_based_exec_ctrl & CPU_BASED_USE_MSR_BITMAPS;
 }
 
-static inline int cpu_has_vmx_tpr_shadow(void)
+static inline bool cpu_has_vmx_tpr_shadow(void)
 {
 	return vmcs_config.cpu_based_exec_ctrl & CPU_BASED_TPR_SHADOW;
 }
 
-static inline int vm_need_tpr_shadow(struct kvm *kvm)
+static inline bool vm_need_tpr_shadow(struct kvm *kvm)
 {
 	return (cpu_has_vmx_tpr_shadow()) && (irqchip_in_kernel(kvm));
 }
 
-static inline int cpu_has_secondary_exec_ctrls(void)
+static inline bool cpu_has_secondary_exec_ctrls(void)
 {
 	return vmcs_config.cpu_based_exec_ctrl &
 		CPU_BASED_ACTIVATE_SECONDARY_CONTROLS;
@@ -303,80 +303,80 @@ static inline bool cpu_has_vmx_flexpriority(void)
 
 static inline bool cpu_has_vmx_ept_execute_only(void)
 {
-	return !!(vmx_capability.ept & VMX_EPT_EXECUTE_ONLY_BIT);
+	return vmx_capability.ept & VMX_EPT_EXECUTE_ONLY_BIT;
 }
 
 static inline bool cpu_has_vmx_eptp_uncacheable(void)
 {
-	return !!(vmx_capability.ept & VMX_EPTP_UC_BIT);
+	return vmx_capability.ept & VMX_EPTP_UC_BIT;
 }
 
 static inline bool cpu_has_vmx_eptp_writeback(void)
 {
-	return !!(vmx_capability.ept & VMX_EPTP_WB_BIT);
+	return vmx_capability.ept & VMX_EPTP_WB_BIT;
 }
 
 static inline bool cpu_has_vmx_ept_2m_page(void)
 {
-	return !!(vmx_capability.ept & VMX_EPT_2MB_PAGE_BIT);
+	return vmx_capability.ept & VMX_EPT_2MB_PAGE_BIT;
 }
 
 static inline bool cpu_has_vmx_ept_1g_page(void)
 {
-	return !!(vmx_capability.ept & VMX_EPT_1GB_PAGE_BIT);
+	return vmx_capability.ept & VMX_EPT_1GB_PAGE_BIT;
 }
 
-static inline int cpu_has_vmx_invept_individual_addr(void)
+static inline bool cpu_has_vmx_invept_individual_addr(void)
 {
-	return !!(vmx_capability.ept & VMX_EPT_EXTENT_INDIVIDUAL_BIT);
+	return vmx_capability.ept & VMX_EPT_EXTENT_INDIVIDUAL_BIT;
 }
 
-static inline int cpu_has_vmx_invept_context(void)
+static inline bool cpu_has_vmx_invept_context(void)
 {
-	return !!(vmx_capability.ept & VMX_EPT_EXTENT_CONTEXT_BIT);
+	return vmx_capability.ept & VMX_EPT_EXTENT_CONTEXT_BIT;
 }
 
-static inline int cpu_has_vmx_invept_global(void)
+static inline bool cpu_has_vmx_invept_global(void)
 {
-	return !!(vmx_capability.ept & VMX_EPT_EXTENT_GLOBAL_BIT);
+	return vmx_capability.ept & VMX_EPT_EXTENT_GLOBAL_BIT;
 }
 
-static inline int cpu_has_vmx_ept(void)
+static inline bool cpu_has_vmx_ept(void)
 {
 	return vmcs_config.cpu_based_2nd_exec_ctrl &
 		SECONDARY_EXEC_ENABLE_EPT;
 }
 
-static inline int cpu_has_vmx_unrestricted_guest(void)
+static inline bool cpu_has_vmx_unrestricted_guest(void)
 {
 	return vmcs_config.cpu_based_2nd_exec_ctrl &
 		SECONDARY_EXEC_UNRESTRICTED_GUEST;
 }
 
-static inline int cpu_has_vmx_ple(void)
+static inline bool cpu_has_vmx_ple(void)
 {
 	return vmcs_config.cpu_based_2nd_exec_ctrl &
 		SECONDARY_EXEC_PAUSE_LOOP_EXITING;
 }
 
-static inline int vm_need_virtualize_apic_accesses(struct kvm *kvm)
+static inline bool vm_need_virtualize_apic_accesses(struct kvm *kvm)
 {
 	return flexpriority_enabled && irqchip_in_kernel(kvm);
 }
 
-static inline int cpu_has_vmx_vpid(void)
+static inline bool cpu_has_vmx_vpid(void)
 {
 	return vmcs_config.cpu_based_2nd_exec_ctrl &
 		SECONDARY_EXEC_ENABLE_VPID;
 }
 
-static inline int cpu_has_vmx_rdtscp(void)
+static inline bool cpu_has_vmx_rdtscp(void)
 {
 	return vmcs_config.cpu_based_2nd_exec_ctrl &
 		SECONDARY_EXEC_RDTSCP;
 }
 
-static inline int cpu_has_virtual_nmis(void)
+static inline bool cpu_has_virtual_nmis(void)
 {
 	return vmcs_config.pin_based_exec_ctrl & PIN_BASED_VIRTUAL_NMIS;
 }

From 6ce5a090a9a0ea4266a2cad058c69e2f27201e11 Mon Sep 17 00:00:00 2001
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Mon, 15 Mar 2010 22:13:30 +0900
Subject: [PATCH 1601/3638] KVM: coalesced_mmio: fix
 kvm_coalesced_mmio_init()'s error handling

kvm_coalesced_mmio_init() keeps to hold the addresses of a coalesced
mmio ring page and dev even after it has freed them.

Also, if this function fails, though it might be rare, it seems to be
suggesting the system's serious state: so we'd better stop the works
following the kvm_creat_vm().

This patch clears these problems.

  We move the coalesced mmio's initialization out of kvm_create_vm().
  This seems to be natural because it includes a registration which
  can be done only when vm is successfully created.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 virt/kvm/coalesced_mmio.c |  2 ++
 virt/kvm/kvm_main.c       | 12 ++++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index b66001f8754..53850177163 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -120,8 +120,10 @@ int kvm_coalesced_mmio_init(struct kvm *kvm)
 	return ret;
 
 out_free_dev:
+	kvm->coalesced_mmio_dev = NULL;
 	kfree(dev);
 out_free_page:
+	kvm->coalesced_mmio_ring = NULL;
 	__free_page(page);
 out_err:
 	return ret;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0db6dfcc842..55a5d480449 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -422,9 +422,6 @@ static struct kvm *kvm_create_vm(void)
 	spin_lock(&kvm_lock);
 	list_add(&kvm->vm_list, &vm_list);
 	spin_unlock(&kvm_lock);
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
-	kvm_coalesced_mmio_init(kvm);
-#endif
 out:
 	return kvm;
 
@@ -1753,12 +1750,19 @@ static struct file_operations kvm_vm_fops = {
 
 static int kvm_dev_ioctl_create_vm(void)
 {
-	int fd;
+	int fd, r;
 	struct kvm *kvm;
 
 	kvm = kvm_create_vm();
 	if (IS_ERR(kvm))
 		return PTR_ERR(kvm);
+#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
+	r = kvm_coalesced_mmio_init(kvm);
+	if (r < 0) {
+		kvm_put_kvm(kvm);
+		return r;
+	}
+#endif
 	fd = anon_inode_getfd("kvm-vm", &kvm_vm_fops, kvm, O_RDWR);
 	if (fd < 0)
 		kvm_put_kvm(kvm);

From 52a4661737ecc918633f6b05c611a4af4b5eae5a Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:03 +0200
Subject: [PATCH 1602/3638] KVM: Provide callback to get/set control registers
 in emulator ops.

Use this callback instead of directly call kvm function. Also rename
realmode_(set|get)_cr to emulator_(set|get)_cr since function has nothing
to do with real mode.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |   3 +-
 arch/x86/include/asm/kvm_host.h    |   2 -
 arch/x86/kvm/emulate.c             |   7 +-
 arch/x86/kvm/x86.c                 | 114 +++++++++++++++--------------
 4 files changed, 63 insertions(+), 63 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 2666d7ac322..0c5caa469eb 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -108,7 +108,8 @@ struct x86_emulate_ops {
 				const void *new,
 				unsigned int bytes,
 				struct kvm_vcpu *vcpu);
-
+	ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
+	void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
 };
 
 /* Type, address-of, and value of an instruction's operand. */
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 53f52025947..9d474c7ae26 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -586,8 +586,6 @@ void realmode_lidt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
 void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
 		   unsigned long *rflags);
 
-unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr);
-void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value);
 void kvm_enable_efer_bits(u64);
 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data);
 int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 91450b5cd49..5b060e4be0e 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2483,7 +2483,7 @@ twobyte_insn:
 			break;
 		case 4: /* smsw */
 			c->dst.bytes = 2;
-			c->dst.val = realmode_get_cr(ctxt->vcpu, 0);
+			c->dst.val = ops->get_cr(0, ctxt->vcpu);
 			break;
 		case 6: /* lmsw */
 			realmode_lmsw(ctxt->vcpu, (u16)c->src.val,
@@ -2519,8 +2519,7 @@ twobyte_insn:
 	case 0x20: /* mov cr, reg */
 		if (c->modrm_mod != 3)
 			goto cannot_emulate;
-		c->regs[c->modrm_rm] =
-				realmode_get_cr(ctxt->vcpu, c->modrm_reg);
+		c->regs[c->modrm_rm] = ops->get_cr(c->modrm_reg, ctxt->vcpu);
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;
 	case 0x21: /* mov from dr to reg */
@@ -2534,7 +2533,7 @@ twobyte_insn:
 	case 0x22: /* mov reg, cr */
 		if (c->modrm_mod != 3)
 			goto cannot_emulate;
-		realmode_set_cr(ctxt->vcpu, c->modrm_reg, c->modrm_val);
+		ops->set_cr(c->modrm_reg, c->modrm_val, ctxt->vcpu);
 		c->dst.type = OP_NONE;
 		break;
 	case 0x23: /* mov from reg to dr */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 35db4f0db4e..94a29759ab2 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3423,12 +3423,70 @@ void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context)
 }
 EXPORT_SYMBOL_GPL(kvm_report_emulation_failure);
 
+static u64 mk_cr_64(u64 curr_cr, u32 new_val)
+{
+	return (curr_cr & ~((1ULL << 32) - 1)) | new_val;
+}
+
+static unsigned long emulator_get_cr(int cr, struct kvm_vcpu *vcpu)
+{
+	unsigned long value;
+
+	switch (cr) {
+	case 0:
+		value = kvm_read_cr0(vcpu);
+		break;
+	case 2:
+		value = vcpu->arch.cr2;
+		break;
+	case 3:
+		value = vcpu->arch.cr3;
+		break;
+	case 4:
+		value = kvm_read_cr4(vcpu);
+		break;
+	case 8:
+		value = kvm_get_cr8(vcpu);
+		break;
+	default:
+		vcpu_printf(vcpu, "%s: unexpected cr %u\n", __func__, cr);
+		return 0;
+	}
+
+	return value;
+}
+
+static void emulator_set_cr(int cr, unsigned long val, struct kvm_vcpu *vcpu)
+{
+	switch (cr) {
+	case 0:
+		kvm_set_cr0(vcpu, mk_cr_64(kvm_read_cr0(vcpu), val));
+		break;
+	case 2:
+		vcpu->arch.cr2 = val;
+		break;
+	case 3:
+		kvm_set_cr3(vcpu, val);
+		break;
+	case 4:
+		kvm_set_cr4(vcpu, mk_cr_64(kvm_read_cr4(vcpu), val));
+		break;
+	case 8:
+		kvm_set_cr8(vcpu, val & 0xfUL);
+		break;
+	default:
+		vcpu_printf(vcpu, "%s: unexpected cr %u\n", __func__, cr);
+	}
+}
+
 static struct x86_emulate_ops emulate_ops = {
 	.read_std            = kvm_read_guest_virt_system,
 	.fetch               = kvm_fetch_guest_virt,
 	.read_emulated       = emulator_read_emulated,
 	.write_emulated      = emulator_write_emulated,
 	.cmpxchg_emulated    = emulator_cmpxchg_emulated,
+	.get_cr              = emulator_get_cr,
+	.set_cr              = emulator_set_cr,
 };
 
 static void cache_all_regs(struct kvm_vcpu *vcpu)
@@ -4026,11 +4084,6 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu)
 	return __emulator_write_emulated(rip, instruction, 3, vcpu, false);
 }
 
-static u64 mk_cr_64(u64 curr_cr, u32 new_val)
-{
-	return (curr_cr & ~((1ULL << 32) - 1)) | new_val;
-}
-
 void realmode_lgdt(struct kvm_vcpu *vcpu, u16 limit, unsigned long base)
 {
 	struct desc_ptr dt = { limit, base };
@@ -4052,57 +4105,6 @@ void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
 	*rflags = kvm_get_rflags(vcpu);
 }
 
-unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr)
-{
-	unsigned long value;
-
-	switch (cr) {
-	case 0:
-		value = kvm_read_cr0(vcpu);
-		break;
-	case 2:
-		value = vcpu->arch.cr2;
-		break;
-	case 3:
-		value = vcpu->arch.cr3;
-		break;
-	case 4:
-		value = kvm_read_cr4(vcpu);
-		break;
-	case 8:
-		value = kvm_get_cr8(vcpu);
-		break;
-	default:
-		vcpu_printf(vcpu, "%s: unexpected cr %u\n", __func__, cr);
-		return 0;
-	}
-
-	return value;
-}
-
-void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long val)
-{
-	switch (cr) {
-	case 0:
-		kvm_set_cr0(vcpu, mk_cr_64(kvm_read_cr0(vcpu), val));
-		break;
-	case 2:
-		vcpu->arch.cr2 = val;
-		break;
-	case 3:
-		kvm_set_cr3(vcpu, val);
-		break;
-	case 4:
-		kvm_set_cr4(vcpu, mk_cr_64(kvm_read_cr4(vcpu), val));
-		break;
-	case 8:
-		kvm_set_cr8(vcpu, val & 0xfUL);
-		break;
-	default:
-		vcpu_printf(vcpu, "%s: unexpected cr %u\n", __func__, cr);
-	}
-}
-
 static int move_to_next_stateful_cpuid_entry(struct kvm_vcpu *vcpu, int i)
 {
 	struct kvm_cpuid_entry2 *e = &vcpu->arch.cpuid_entries[i];

From 93a152be5af3d651ff0ab5459f5e0f9662b22438 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:04 +0200
Subject: [PATCH 1603/3638] KVM: remove realmode_lmsw function.

Use (get|set)_cr callback to emulate lmsw inside emulator.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 2 --
 arch/x86/kvm/emulate.c          | 4 ++--
 arch/x86/kvm/x86.c              | 7 -------
 3 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 9d474c7ae26..b99cec1547c 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -583,8 +583,6 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 void kvm_report_emulation_failure(struct kvm_vcpu *cvpu, const char *context);
 void realmode_lgdt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
 void realmode_lidt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
-void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
-		   unsigned long *rflags);
 
 void kvm_enable_efer_bits(u64);
 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data);
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 5b060e4be0e..5e2fa61e810 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2486,8 +2486,8 @@ twobyte_insn:
 			c->dst.val = ops->get_cr(0, ctxt->vcpu);
 			break;
 		case 6: /* lmsw */
-			realmode_lmsw(ctxt->vcpu, (u16)c->src.val,
-				      &ctxt->eflags);
+			ops->set_cr(0, (ops->get_cr(0, ctxt->vcpu) & ~0x0ful) |
+				    (c->src.val & 0x0f), ctxt->vcpu);
 			c->dst.type = OP_NONE;
 			break;
 		case 7: /* invlpg*/
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 94a29759ab2..c382e972109 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4098,13 +4098,6 @@ void realmode_lidt(struct kvm_vcpu *vcpu, u16 limit, unsigned long base)
 	kvm_x86_ops->set_idt(vcpu, &dt);
 }
 
-void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
-		   unsigned long *rflags)
-{
-	kvm_lmsw(vcpu, msw);
-	*rflags = kvm_get_rflags(vcpu);
-}
-
 static int move_to_next_stateful_cpuid_entry(struct kvm_vcpu *vcpu, int i)
 {
 	struct kvm_cpuid_entry2 *e = &vcpu->arch.cpuid_entries[i];

From 9c5372445c1ad4fcdb4128957ec89334223b8113 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:05 +0200
Subject: [PATCH 1604/3638] KVM: Provide x86_emulate_ctxt callback to get
 current cpl

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |  1 +
 arch/x86/kvm/emulate.c             | 15 ++++++++-------
 arch/x86/kvm/x86.c                 |  6 ++++++
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 0c5caa469eb..b048fd21c54 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -110,6 +110,7 @@ struct x86_emulate_ops {
 				struct kvm_vcpu *vcpu);
 	ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
 	void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
+	int (*cpl)(struct kvm_vcpu *vcpu);
 };
 
 /* Type, address-of, and value of an instruction's operand. */
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 5e2fa61e810..8bd05571672 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1257,7 +1257,7 @@ static int emulate_popf(struct x86_emulate_ctxt *ctxt,
 	int rc;
 	unsigned long val, change_mask;
 	int iopl = (ctxt->eflags & X86_EFLAGS_IOPL) >> IOPL_SHIFT;
-	int cpl = kvm_x86_ops->get_cpl(ctxt->vcpu);
+	int cpl = ops->cpl(ctxt->vcpu);
 
 	rc = emulate_pop(ctxt, ops, &val, len);
 	if (rc != X86EMUL_CONTINUE)
@@ -1758,7 +1758,8 @@ emulate_sysexit(struct x86_emulate_ctxt *ctxt)
 	return X86EMUL_CONTINUE;
 }
 
-static bool emulator_bad_iopl(struct x86_emulate_ctxt *ctxt)
+static bool emulator_bad_iopl(struct x86_emulate_ctxt *ctxt,
+			      struct x86_emulate_ops *ops)
 {
 	int iopl;
 	if (ctxt->mode == X86EMUL_MODE_REAL)
@@ -1766,7 +1767,7 @@ static bool emulator_bad_iopl(struct x86_emulate_ctxt *ctxt)
 	if (ctxt->mode == X86EMUL_MODE_VM86)
 		return true;
 	iopl = (ctxt->eflags & X86_EFLAGS_IOPL) >> IOPL_SHIFT;
-	return kvm_x86_ops->get_cpl(ctxt->vcpu) > iopl;
+	return ops->cpl(ctxt->vcpu) > iopl;
 }
 
 static bool emulator_io_port_access_allowed(struct x86_emulate_ctxt *ctxt,
@@ -1803,7 +1804,7 @@ static bool emulator_io_permited(struct x86_emulate_ctxt *ctxt,
 				 struct x86_emulate_ops *ops,
 				 u16 port, u16 len)
 {
-	if (emulator_bad_iopl(ctxt))
+	if (emulator_bad_iopl(ctxt, ops))
 		if (!emulator_io_port_access_allowed(ctxt, ops, port, len))
 			return false;
 	return true;
@@ -1842,7 +1843,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	}
 
 	/* Privileged instruction can be executed only in CPL=0 */
-	if ((c->d & Priv) && kvm_x86_ops->get_cpl(ctxt->vcpu)) {
+	if ((c->d & Priv) && ops->cpl(ctxt->vcpu)) {
 		kvm_inject_gp(ctxt->vcpu, 0);
 		goto done;
 	}
@@ -2378,7 +2379,7 @@ special_insn:
 		c->dst.type = OP_NONE;	/* Disable writeback. */
 		break;
 	case 0xfa: /* cli */
-		if (emulator_bad_iopl(ctxt))
+		if (emulator_bad_iopl(ctxt, ops))
 			kvm_inject_gp(ctxt->vcpu, 0);
 		else {
 			ctxt->eflags &= ~X86_EFLAGS_IF;
@@ -2386,7 +2387,7 @@ special_insn:
 		}
 		break;
 	case 0xfb: /* sti */
-		if (emulator_bad_iopl(ctxt))
+		if (emulator_bad_iopl(ctxt, ops))
 			kvm_inject_gp(ctxt->vcpu, 0);
 		else {
 			toggle_interruptibility(ctxt, KVM_X86_SHADOW_INT_STI);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c382e972109..9cb28a943c9 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3479,6 +3479,11 @@ static void emulator_set_cr(int cr, unsigned long val, struct kvm_vcpu *vcpu)
 	}
 }
 
+static int emulator_get_cpl(struct kvm_vcpu *vcpu)
+{
+	return kvm_x86_ops->get_cpl(vcpu);
+}
+
 static struct x86_emulate_ops emulate_ops = {
 	.read_std            = kvm_read_guest_virt_system,
 	.fetch               = kvm_fetch_guest_virt,
@@ -3487,6 +3492,7 @@ static struct x86_emulate_ops emulate_ops = {
 	.cmpxchg_emulated    = emulator_cmpxchg_emulated,
 	.get_cr              = emulator_get_cr,
 	.set_cr              = emulator_set_cr,
+	.cpl                 = emulator_get_cpl,
 };
 
 static void cache_all_regs(struct kvm_vcpu *vcpu)

From 063db061b9b3472c925f09ae3a0a8359b80c2295 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:06 +0200
Subject: [PATCH 1605/3638] KVM: Provide current eip as part of emulator
 context.

Eliminate the need to call back into KVM to get it from emulator.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |  3 ++-
 arch/x86/kvm/emulate.c             | 12 ++++++------
 arch/x86/kvm/x86.c                 |  1 +
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index b048fd21c54..07657258af8 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -141,7 +141,7 @@ struct decode_cache {
 	u8 seg_override;
 	unsigned int d;
 	unsigned long regs[NR_VCPU_REGS];
-	unsigned long eip, eip_orig;
+	unsigned long eip;
 	/* modrm */
 	u8 modrm;
 	u8 modrm_mod;
@@ -160,6 +160,7 @@ struct x86_emulate_ctxt {
 	struct kvm_vcpu *vcpu;
 
 	unsigned long eflags;
+	unsigned long eip; /* eip before instruction emulation */
 	/* Emulated execution mode, represented by an X86EMUL_MODE value. */
 	int mode;
 	u32 cs_base;
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 8bd05571672..2c27aa466cf 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -667,7 +667,7 @@ static int do_insn_fetch(struct x86_emulate_ctxt *ctxt,
 	int rc;
 
 	/* x86 instructions are limited to 15 bytes. */
-	if (eip + size - ctxt->decode.eip_orig > 15)
+	if (eip + size - ctxt->eip > 15)
 		return X86EMUL_UNHANDLEABLE;
 	eip += ctxt->cs_base;
 	while (size--) {
@@ -927,7 +927,7 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	/* Shadow copy of register state. Committed on successful emulation. */
 
 	memset(c, 0, sizeof(struct decode_cache));
-	c->eip = c->eip_orig = kvm_rip_read(ctxt->vcpu);
+	c->eip = ctxt->eip;
 	ctxt->cs_base = seg_base(ctxt, VCPU_SREG_CS);
 	memcpy(c->regs, ctxt->vcpu->arch.regs, sizeof c->regs);
 
@@ -1878,7 +1878,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 			}
 		}
 		register_address_increment(c, &c->regs[VCPU_REGS_RCX], -1);
-		c->eip = kvm_rip_read(ctxt->vcpu);
+		c->eip = ctxt->eip;
 	}
 
 	if (c->src.type == OP_MEM) {
@@ -2447,7 +2447,7 @@ twobyte_insn:
 				goto done;
 
 			/* Let the processor re-execute the fixed hypercall */
-			c->eip = kvm_rip_read(ctxt->vcpu);
+			c->eip = ctxt->eip;
 			/* Disable writeback. */
 			c->dst.type = OP_NONE;
 			break;
@@ -2551,7 +2551,7 @@ twobyte_insn:
 			| ((u64)c->regs[VCPU_REGS_RDX] << 32);
 		if (kvm_set_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], msr_data)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			c->eip = kvm_rip_read(ctxt->vcpu);
+			c->eip = ctxt->eip;
 		}
 		rc = X86EMUL_CONTINUE;
 		c->dst.type = OP_NONE;
@@ -2560,7 +2560,7 @@ twobyte_insn:
 		/* rdmsr */
 		if (kvm_get_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], &msr_data)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			c->eip = kvm_rip_read(ctxt->vcpu);
+			c->eip = ctxt->eip;
 		} else {
 			c->regs[VCPU_REGS_RAX] = (u32)msr_data;
 			c->regs[VCPU_REGS_RDX] = msr_data >> 32;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9cb28a943c9..0ecd37ac9d3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3531,6 +3531,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 
 		vcpu->arch.emulate_ctxt.vcpu = vcpu;
 		vcpu->arch.emulate_ctxt.eflags = kvm_x86_ops->get_rflags(vcpu);
+		vcpu->arch.emulate_ctxt.eip = kvm_rip_read(vcpu);
 		vcpu->arch.emulate_ctxt.mode =
 			(!is_protmode(vcpu)) ? X86EMUL_MODE_REAL :
 			(vcpu->arch.emulate_ctxt.eflags & X86_EFLAGS_VM)

From 5e3ae6c5407ffb23bc4d9871e09d1b222e1b31a4 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:07 +0200
Subject: [PATCH 1606/3638] KVM: x86 emulator: fix mov r/m, sreg emulation.

mov r/m, sreg generates #UD ins sreg is incorrect.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 2c27aa466cf..c3b9334eb24 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2126,12 +2126,11 @@ special_insn:
 	case 0x8c: { /* mov r/m, sreg */
 		struct kvm_segment segreg;
 
-		if (c->modrm_reg <= 5)
+		if (c->modrm_reg <= VCPU_SREG_GS)
 			kvm_get_segment(ctxt->vcpu, &segreg, c->modrm_reg);
 		else {
-			printk(KERN_INFO "0x8c: Invalid segreg in modrm byte 0x%02x\n",
-			       c->modrm);
-			goto cannot_emulate;
+			kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+			goto done;
 		}
 		c->dst.val = segreg.selector;
 		break;

From 6e1e5ffee8d95f9bce71eaa029cb5247b0f2f673 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:08 +0200
Subject: [PATCH 1607/3638] KVM: x86 emulator: fix 0f 01 /5 emulation

It is undefined and should generate #UD.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index c3b9334eb24..7c7debb424d 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2490,6 +2490,9 @@ twobyte_insn:
 				    (c->src.val & 0x0f), ctxt->vcpu);
 			c->dst.type = OP_NONE;
 			break;
+		case 5: /* not defined */
+			kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+			goto done;
 		case 7: /* invlpg*/
 			emulate_invlpg(ctxt->vcpu, memop);
 			/* Disable writeback. */

From ab8557b2b361c8bb2e2421c791c8f6c4f6ba3d08 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:09 +0200
Subject: [PATCH 1608/3638] KVM: x86 emulator: 0f (20|21|22|23) ignore mod
 bits.

Resent spec says that for 0f (20|21|22|23) the 2 bits in the mod field
are ignored. Interestingly enough older spec says that 11 is only valid
encoding.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 7c7debb424d..fa4604e0325 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2520,28 +2520,20 @@ twobyte_insn:
 		c->dst.type = OP_NONE;
 		break;
 	case 0x20: /* mov cr, reg */
-		if (c->modrm_mod != 3)
-			goto cannot_emulate;
 		c->regs[c->modrm_rm] = ops->get_cr(c->modrm_reg, ctxt->vcpu);
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;
 	case 0x21: /* mov from dr to reg */
-		if (c->modrm_mod != 3)
-			goto cannot_emulate;
 		if (emulator_get_dr(ctxt, c->modrm_reg, &c->regs[c->modrm_rm]))
 			goto cannot_emulate;
 		rc = X86EMUL_CONTINUE;
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;
 	case 0x22: /* mov reg, cr */
-		if (c->modrm_mod != 3)
-			goto cannot_emulate;
 		ops->set_cr(c->modrm_reg, c->modrm_val, ctxt->vcpu);
 		c->dst.type = OP_NONE;
 		break;
 	case 0x23: /* mov from reg to dr */
-		if (c->modrm_mod != 3)
-			goto cannot_emulate;
 		if (emulator_set_dr(ctxt, c->modrm_reg, c->regs[c->modrm_rm]))
 			goto cannot_emulate;
 		rc = X86EMUL_CONTINUE;

From 6aebfa6ea75f9a02a0339e733090dd40d6f2edfd Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:10 +0200
Subject: [PATCH 1609/3638] KVM: x86 emulator: inject #UD on access to
 non-existing CR

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index fa4604e0325..836e97ba45d 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2520,6 +2520,13 @@ twobyte_insn:
 		c->dst.type = OP_NONE;
 		break;
 	case 0x20: /* mov cr, reg */
+		switch (c->modrm_reg) {
+		case 1:
+		case 5 ... 7:
+		case 9 ... 15:
+			kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+			goto done;
+		}
 		c->regs[c->modrm_rm] = ops->get_cr(c->modrm_reg, ctxt->vcpu);
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;

From 1e470be5a10801cb1c5c145f2cd9e0f5ebaf4f2e Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:11 +0200
Subject: [PATCH 1610/3638] KVM: x86 emulator: fix mov dr to inject #UD when
 needed.

If CR4.DE=1 access to registers DR4/DR5 cause #UD.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 836e97ba45d..5afddcfa1a7 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2531,9 +2531,12 @@ twobyte_insn:
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;
 	case 0x21: /* mov from dr to reg */
-		if (emulator_get_dr(ctxt, c->modrm_reg, &c->regs[c->modrm_rm]))
-			goto cannot_emulate;
-		rc = X86EMUL_CONTINUE;
+		if ((ops->get_cr(4, ctxt->vcpu) & X86_CR4_DE) &&
+		    (c->modrm_reg == 4 || c->modrm_reg == 5)) {
+			kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+			goto done;
+		}
+		emulator_get_dr(ctxt, c->modrm_reg, &c->regs[c->modrm_rm]);
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;
 	case 0x22: /* mov reg, cr */
@@ -2541,9 +2544,12 @@ twobyte_insn:
 		c->dst.type = OP_NONE;
 		break;
 	case 0x23: /* mov from reg to dr */
-		if (emulator_set_dr(ctxt, c->modrm_reg, c->regs[c->modrm_rm]))
-			goto cannot_emulate;
-		rc = X86EMUL_CONTINUE;
+		if ((ops->get_cr(4, ctxt->vcpu) & X86_CR4_DE) &&
+		    (c->modrm_reg == 4 || c->modrm_reg == 5)) {
+			kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+			goto done;
+		}
+		emulator_set_dr(ctxt, c->modrm_reg, c->regs[c->modrm_rm]);
 		c->dst.type = OP_NONE;	/* no writeback */
 		break;
 	case 0x30:

From 2e901c4cf4b550ad37840870246e835889cf7322 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:12 +0200
Subject: [PATCH 1611/3638] KVM: x86 emulator: fix return values of
 syscall/sysenter/sysexit emulations

Return X86EMUL_PROPAGATE_FAULT is fault was injected. Also inject #UD
for those instruction when appropriate.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 5afddcfa1a7..1393bf03424 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1600,8 +1600,11 @@ emulate_syscall(struct x86_emulate_ctxt *ctxt)
 	u64 msr_data;
 
 	/* syscall is not available in real mode */
-	if (ctxt->mode == X86EMUL_MODE_REAL || ctxt->mode == X86EMUL_MODE_VM86)
-		return X86EMUL_UNHANDLEABLE;
+	if (ctxt->mode == X86EMUL_MODE_REAL ||
+	    ctxt->mode == X86EMUL_MODE_VM86) {
+		kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+		return X86EMUL_PROPAGATE_FAULT;
+	}
 
 	setup_syscalls_segments(ctxt, &cs, &ss);
 
@@ -1651,14 +1654,16 @@ emulate_sysenter(struct x86_emulate_ctxt *ctxt)
 	/* inject #GP if in real mode */
 	if (ctxt->mode == X86EMUL_MODE_REAL) {
 		kvm_inject_gp(ctxt->vcpu, 0);
-		return X86EMUL_UNHANDLEABLE;
+		return X86EMUL_PROPAGATE_FAULT;
 	}
 
 	/* XXX sysenter/sysexit have not been tested in 64bit mode.
 	* Therefore, we inject an #UD.
 	*/
-	if (ctxt->mode == X86EMUL_MODE_PROT64)
-		return X86EMUL_UNHANDLEABLE;
+	if (ctxt->mode == X86EMUL_MODE_PROT64) {
+		kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+		return X86EMUL_PROPAGATE_FAULT;
+	}
 
 	setup_syscalls_segments(ctxt, &cs, &ss);
 
@@ -1713,7 +1718,7 @@ emulate_sysexit(struct x86_emulate_ctxt *ctxt)
 	if (ctxt->mode == X86EMUL_MODE_REAL ||
 	    ctxt->mode == X86EMUL_MODE_VM86) {
 		kvm_inject_gp(ctxt->vcpu, 0);
-		return X86EMUL_UNHANDLEABLE;
+		return X86EMUL_PROPAGATE_FAULT;
 	}
 
 	setup_syscalls_segments(ctxt, &cs, &ss);

From fd5253658b403d51fc19e56ecb44c54a3071fded Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:13 +0200
Subject: [PATCH 1612/3638] KVM: x86 emulator: do not call writeback if msr
 access fails.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 1393bf03424..b89a8f21733 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2563,7 +2563,7 @@ twobyte_insn:
 			| ((u64)c->regs[VCPU_REGS_RDX] << 32);
 		if (kvm_set_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], msr_data)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			c->eip = ctxt->eip;
+			goto done;
 		}
 		rc = X86EMUL_CONTINUE;
 		c->dst.type = OP_NONE;
@@ -2572,7 +2572,7 @@ twobyte_insn:
 		/* rdmsr */
 		if (kvm_get_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], &msr_data)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			c->eip = ctxt->eip;
+			goto done;
 		} else {
 			c->regs[VCPU_REGS_RAX] = (u32)msr_data;
 			c->regs[VCPU_REGS_RDX] = msr_data >> 32;

From a41ffb7540cb37426759e688083502d6463421b2 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:14 +0200
Subject: [PATCH 1613/3638] KVM: x86 emulator: If LOCK prefix is used dest arg
 should be memory.

If LOCK prefix is used dest arg should be memory, otherwise instruction
should generate #UD.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b89a8f21733..46a7ee3040a 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1842,7 +1842,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	}
 
 	/* LOCK prefix is allowed only with some instructions */
-	if (c->lock_prefix && !(c->d & Lock)) {
+	if (c->lock_prefix && (!(c->d & Lock) || c->dst.type != OP_MEM)) {
 		kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
 		goto done;
 	}

From aca06a83071e4e4c9150751db7ea6a46240734fc Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:15 +0200
Subject: [PATCH 1614/3638] KVM: x86 emulator: cleanup grp3 return value

When x86_emulate_insn() does not know how to emulate instruction it
exits via cannot_emulate label in all cases except when emulating
grp3. Fix that.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 46a7ee3040a..d696cbd6ff7 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1397,7 +1397,6 @@ static inline int emulate_grp3(struct x86_emulate_ctxt *ctxt,
 			       struct x86_emulate_ops *ops)
 {
 	struct decode_cache *c = &ctxt->decode;
-	int rc = X86EMUL_CONTINUE;
 
 	switch (c->modrm_reg) {
 	case 0 ... 1:	/* test */
@@ -1410,11 +1409,9 @@ static inline int emulate_grp3(struct x86_emulate_ctxt *ctxt,
 		emulate_1op("neg", c->dst, ctxt->eflags);
 		break;
 	default:
-		DPRINTF("Cannot emulate %02x\n", c->b);
-		rc = X86EMUL_UNHANDLEABLE;
-		break;
+		return 0;
 	}
-	return rc;
+	return 1;
 }
 
 static inline int emulate_grp45(struct x86_emulate_ctxt *ctxt,
@@ -2374,9 +2371,8 @@ special_insn:
 		c->dst.type = OP_NONE;	/* Disable writeback. */
 		break;
 	case 0xf6 ... 0xf7:	/* Grp3 */
-		rc = emulate_grp3(ctxt, ops);
-		if (rc != X86EMUL_CONTINUE)
-			goto done;
+		if (!emulate_grp3(ctxt, ops))
+			goto cannot_emulate;
 		break;
 	case 0xf8: /* clc */
 		ctxt->eflags &= ~EFLG_CF;

From 2dafc6c234b6064189405f42e1602e9a0abe5a44 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:16 +0200
Subject: [PATCH 1615/3638] KVM: x86 emulator: Provide more callbacks for x86
 emulator.

Provide get_cached_descriptor(), set_cached_descriptor(),
get_segment_selector(), set_segment_selector(), get_gdt(),
write_std() callbacks.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |  16 ++++
 arch/x86/kvm/x86.c                 | 130 +++++++++++++++++++++++++----
 2 files changed, 131 insertions(+), 15 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 07657258af8..f901467a18b 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -62,6 +62,15 @@ struct x86_emulate_ops {
 	int (*read_std)(unsigned long addr, void *val,
 			unsigned int bytes, struct kvm_vcpu *vcpu, u32 *error);
 
+	/*
+	 * write_std: Write bytes of standard (non-emulated/special) memory.
+	 *            Used for descriptor writing.
+	 *  @addr:  [IN ] Linear address to which to write.
+	 *  @val:   [OUT] Value write to memory, zero-extended to 'u_long'.
+	 *  @bytes: [IN ] Number of bytes to write to memory.
+	 */
+	int (*write_std)(unsigned long addr, void *val,
+			 unsigned int bytes, struct kvm_vcpu *vcpu, u32 *error);
 	/*
 	 * fetch: Read bytes of standard (non-emulated/special) memory.
 	 *        Used for instruction fetch.
@@ -108,6 +117,13 @@ struct x86_emulate_ops {
 				const void *new,
 				unsigned int bytes,
 				struct kvm_vcpu *vcpu);
+	bool (*get_cached_descriptor)(struct desc_struct *desc,
+				      int seg, struct kvm_vcpu *vcpu);
+	void (*set_cached_descriptor)(struct desc_struct *desc,
+				      int seg, struct kvm_vcpu *vcpu);
+	u16 (*get_segment_selector)(int seg, struct kvm_vcpu *vcpu);
+	void (*set_segment_selector)(u16 sel, int seg, struct kvm_vcpu *vcpu);
+	void (*get_gdt)(struct desc_ptr *dt, struct kvm_vcpu *vcpu);
 	ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
 	void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
 	int (*cpl)(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 0ecd37ac9d3..fbee8fbb33b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3058,6 +3058,18 @@ static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v)
 	return kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, addr, len, v);
 }
 
+static void kvm_set_segment(struct kvm_vcpu *vcpu,
+			struct kvm_segment *var, int seg)
+{
+	kvm_x86_ops->set_segment(vcpu, var, seg);
+}
+
+void kvm_get_segment(struct kvm_vcpu *vcpu,
+		     struct kvm_segment *var, int seg)
+{
+	kvm_x86_ops->get_segment(vcpu, var, seg);
+}
+
 gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, u32 *error)
 {
 	u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;
@@ -3138,14 +3150,18 @@ static int kvm_read_guest_virt_system(gva_t addr, void *val, unsigned int bytes,
 	return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, 0, error);
 }
 
-static int kvm_write_guest_virt(gva_t addr, void *val, unsigned int bytes,
-				struct kvm_vcpu *vcpu, u32 *error)
+static int kvm_write_guest_virt_helper(gva_t addr, void *val,
+				       unsigned int bytes,
+				       struct kvm_vcpu *vcpu, u32 access,
+				       u32 *error)
 {
 	void *data = val;
 	int r = X86EMUL_CONTINUE;
 
+	access |= PFERR_WRITE_MASK;
+
 	while (bytes) {
-		gpa_t gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, error);
+		gpa_t gpa =  vcpu->arch.mmu.gva_to_gpa(vcpu, addr, access, error);
 		unsigned offset = addr & (PAGE_SIZE-1);
 		unsigned towrite = min(bytes, (unsigned)PAGE_SIZE - offset);
 		int ret;
@@ -3168,6 +3184,19 @@ out:
 	return r;
 }
 
+static int kvm_write_guest_virt(gva_t addr, void *val, unsigned int bytes,
+				struct kvm_vcpu *vcpu, u32 *error)
+{
+	u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;
+	return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, access, error);
+}
+
+static int kvm_write_guest_virt_system(gva_t addr, void *val,
+				       unsigned int bytes,
+				       struct kvm_vcpu *vcpu, u32 *error)
+{
+	return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, 0, error);
+}
 
 static int emulator_read_emulated(unsigned long addr,
 				  void *val,
@@ -3484,12 +3513,95 @@ static int emulator_get_cpl(struct kvm_vcpu *vcpu)
 	return kvm_x86_ops->get_cpl(vcpu);
 }
 
+static void emulator_get_gdt(struct desc_ptr *dt, struct kvm_vcpu *vcpu)
+{
+	kvm_x86_ops->get_gdt(vcpu, dt);
+}
+
+static bool emulator_get_cached_descriptor(struct desc_struct *desc, int seg,
+					   struct kvm_vcpu *vcpu)
+{
+	struct kvm_segment var;
+
+	kvm_get_segment(vcpu, &var, seg);
+
+	if (var.unusable)
+		return false;
+
+	if (var.g)
+		var.limit >>= 12;
+	set_desc_limit(desc, var.limit);
+	set_desc_base(desc, (unsigned long)var.base);
+	desc->type = var.type;
+	desc->s = var.s;
+	desc->dpl = var.dpl;
+	desc->p = var.present;
+	desc->avl = var.avl;
+	desc->l = var.l;
+	desc->d = var.db;
+	desc->g = var.g;
+
+	return true;
+}
+
+static void emulator_set_cached_descriptor(struct desc_struct *desc, int seg,
+					   struct kvm_vcpu *vcpu)
+{
+	struct kvm_segment var;
+
+	/* needed to preserve selector */
+	kvm_get_segment(vcpu, &var, seg);
+
+	var.base = get_desc_base(desc);
+	var.limit = get_desc_limit(desc);
+	if (desc->g)
+		var.limit = (var.limit << 12) | 0xfff;
+	var.type = desc->type;
+	var.present = desc->p;
+	var.dpl = desc->dpl;
+	var.db = desc->d;
+	var.s = desc->s;
+	var.l = desc->l;
+	var.g = desc->g;
+	var.avl = desc->avl;
+	var.present = desc->p;
+	var.unusable = !var.present;
+	var.padding = 0;
+
+	kvm_set_segment(vcpu, &var, seg);
+	return;
+}
+
+static u16 emulator_get_segment_selector(int seg, struct kvm_vcpu *vcpu)
+{
+	struct kvm_segment kvm_seg;
+
+	kvm_get_segment(vcpu, &kvm_seg, seg);
+	return kvm_seg.selector;
+}
+
+static void emulator_set_segment_selector(u16 sel, int seg,
+					  struct kvm_vcpu *vcpu)
+{
+	struct kvm_segment kvm_seg;
+
+	kvm_get_segment(vcpu, &kvm_seg, seg);
+	kvm_seg.selector = sel;
+	kvm_set_segment(vcpu, &kvm_seg, seg);
+}
+
 static struct x86_emulate_ops emulate_ops = {
 	.read_std            = kvm_read_guest_virt_system,
+	.write_std           = kvm_write_guest_virt_system,
 	.fetch               = kvm_fetch_guest_virt,
 	.read_emulated       = emulator_read_emulated,
 	.write_emulated      = emulator_write_emulated,
 	.cmpxchg_emulated    = emulator_cmpxchg_emulated,
+	.get_cached_descriptor = emulator_get_cached_descriptor,
+	.set_cached_descriptor = emulator_set_cached_descriptor,
+	.get_segment_selector = emulator_get_segment_selector,
+	.set_segment_selector = emulator_set_segment_selector,
+	.get_gdt             = emulator_get_gdt,
 	.get_cr              = emulator_get_cr,
 	.set_cr              = emulator_set_cr,
 	.cpl                 = emulator_get_cpl,
@@ -4649,12 +4761,6 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	return 0;
 }
 
-void kvm_get_segment(struct kvm_vcpu *vcpu,
-		     struct kvm_segment *var, int seg)
-{
-	kvm_x86_ops->get_segment(vcpu, var, seg);
-}
-
 void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l)
 {
 	struct kvm_segment cs;
@@ -4726,12 +4832,6 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
 	return 0;
 }
 
-static void kvm_set_segment(struct kvm_vcpu *vcpu,
-			struct kvm_segment *var, int seg)
-{
-	kvm_x86_ops->set_segment(vcpu, var, seg);
-}
-
 static void seg_desct_to_kvm_desct(struct desc_struct *seg_desc, u16 selector,
 				   struct kvm_segment *kvm_desct)
 {

From 38ba30ba51a003360f177d5b8349439fe44fc55b Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:17 +0200
Subject: [PATCH 1616/3638] KVM: x86 emulator: Emulate task switch in
 emulator.c

Implement emulation of 16/32 bit task switch in emulator.c

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |   5 +
 arch/x86/kvm/emulate.c             | 563 +++++++++++++++++++++++++++++
 2 files changed, 568 insertions(+)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index f901467a18b..bd469296f5e 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -11,6 +11,8 @@
 #ifndef _ASM_X86_KVM_X86_EMULATE_H
 #define _ASM_X86_KVM_X86_EMULATE_H
 
+#include <asm/desc_defs.h>
+
 struct x86_emulate_ctxt;
 
 /*
@@ -210,5 +212,8 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt,
 		    struct x86_emulate_ops *ops);
 int x86_emulate_insn(struct x86_emulate_ctxt *ctxt,
 		     struct x86_emulate_ops *ops);
+int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
+			 struct x86_emulate_ops *ops,
+			 u16 tss_selector, int reason);
 
 #endif /* _ASM_X86_KVM_X86_EMULATE_H */
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index d696cbd6ff7..db4776c6b50 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -33,6 +33,7 @@
 #include <asm/kvm_emulate.h>
 
 #include "x86.h"
+#include "tss.h"
 
 /*
  * Opcode effective-address decode tables.
@@ -1221,6 +1222,198 @@ done:
 	return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0;
 }
 
+static u32 desc_limit_scaled(struct desc_struct *desc)
+{
+	u32 limit = get_desc_limit(desc);
+
+	return desc->g ? (limit << 12) | 0xfff : limit;
+}
+
+static void get_descriptor_table_ptr(struct x86_emulate_ctxt *ctxt,
+				     struct x86_emulate_ops *ops,
+				     u16 selector, struct desc_ptr *dt)
+{
+	if (selector & 1 << 2) {
+		struct desc_struct desc;
+		memset (dt, 0, sizeof *dt);
+		if (!ops->get_cached_descriptor(&desc, VCPU_SREG_LDTR, ctxt->vcpu))
+			return;
+
+		dt->size = desc_limit_scaled(&desc); /* what if limit > 65535? */
+		dt->address = get_desc_base(&desc);
+	} else
+		ops->get_gdt(dt, ctxt->vcpu);
+}
+
+/* allowed just for 8 bytes segments */
+static int read_segment_descriptor(struct x86_emulate_ctxt *ctxt,
+				   struct x86_emulate_ops *ops,
+				   u16 selector, struct desc_struct *desc)
+{
+	struct desc_ptr dt;
+	u16 index = selector >> 3;
+	int ret;
+	u32 err;
+	ulong addr;
+
+	get_descriptor_table_ptr(ctxt, ops, selector, &dt);
+
+	if (dt.size < index * 8 + 7) {
+		kvm_inject_gp(ctxt->vcpu, selector & 0xfffc);
+		return X86EMUL_PROPAGATE_FAULT;
+	}
+	addr = dt.address + index * 8;
+	ret = ops->read_std(addr, desc, sizeof *desc, ctxt->vcpu,  &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT)
+		kvm_inject_page_fault(ctxt->vcpu, addr, err);
+
+       return ret;
+}
+
+/* allowed just for 8 bytes segments */
+static int write_segment_descriptor(struct x86_emulate_ctxt *ctxt,
+				    struct x86_emulate_ops *ops,
+				    u16 selector, struct desc_struct *desc)
+{
+	struct desc_ptr dt;
+	u16 index = selector >> 3;
+	u32 err;
+	ulong addr;
+	int ret;
+
+	get_descriptor_table_ptr(ctxt, ops, selector, &dt);
+
+	if (dt.size < index * 8 + 7) {
+		kvm_inject_gp(ctxt->vcpu, selector & 0xfffc);
+		return X86EMUL_PROPAGATE_FAULT;
+	}
+
+	addr = dt.address + index * 8;
+	ret = ops->write_std(addr, desc, sizeof *desc, ctxt->vcpu, &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT)
+		kvm_inject_page_fault(ctxt->vcpu, addr, err);
+
+	return ret;
+}
+
+static int load_segment_descriptor(struct x86_emulate_ctxt *ctxt,
+				   struct x86_emulate_ops *ops,
+				   u16 selector, int seg)
+{
+	struct desc_struct seg_desc;
+	u8 dpl, rpl, cpl;
+	unsigned err_vec = GP_VECTOR;
+	u32 err_code = 0;
+	bool null_selector = !(selector & ~0x3); /* 0000-0003 are null */
+	int ret;
+
+	memset(&seg_desc, 0, sizeof seg_desc);
+
+	if ((seg <= VCPU_SREG_GS && ctxt->mode == X86EMUL_MODE_VM86)
+	    || ctxt->mode == X86EMUL_MODE_REAL) {
+		/* set real mode segment descriptor */
+		set_desc_base(&seg_desc, selector << 4);
+		set_desc_limit(&seg_desc, 0xffff);
+		seg_desc.type = 3;
+		seg_desc.p = 1;
+		seg_desc.s = 1;
+		goto load;
+	}
+
+	/* NULL selector is not valid for TR, CS and SS */
+	if ((seg == VCPU_SREG_CS || seg == VCPU_SREG_SS || seg == VCPU_SREG_TR)
+	    && null_selector)
+		goto exception;
+
+	/* TR should be in GDT only */
+	if (seg == VCPU_SREG_TR && (selector & (1 << 2)))
+		goto exception;
+
+	if (null_selector) /* for NULL selector skip all following checks */
+		goto load;
+
+	ret = read_segment_descriptor(ctxt, ops, selector, &seg_desc);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+
+	err_code = selector & 0xfffc;
+	err_vec = GP_VECTOR;
+
+	/* can't load system descriptor into segment selecor */
+	if (seg <= VCPU_SREG_GS && !seg_desc.s)
+		goto exception;
+
+	if (!seg_desc.p) {
+		err_vec = (seg == VCPU_SREG_SS) ? SS_VECTOR : NP_VECTOR;
+		goto exception;
+	}
+
+	rpl = selector & 3;
+	dpl = seg_desc.dpl;
+	cpl = ops->cpl(ctxt->vcpu);
+
+	switch (seg) {
+	case VCPU_SREG_SS:
+		/*
+		 * segment is not a writable data segment or segment
+		 * selector's RPL != CPL or segment selector's RPL != CPL
+		 */
+		if (rpl != cpl || (seg_desc.type & 0xa) != 0x2 || dpl != cpl)
+			goto exception;
+		break;
+	case VCPU_SREG_CS:
+		if (!(seg_desc.type & 8))
+			goto exception;
+
+		if (seg_desc.type & 4) {
+			/* conforming */
+			if (dpl > cpl)
+				goto exception;
+		} else {
+			/* nonconforming */
+			if (rpl > cpl || dpl != cpl)
+				goto exception;
+		}
+		/* CS(RPL) <- CPL */
+		selector = (selector & 0xfffc) | cpl;
+		break;
+	case VCPU_SREG_TR:
+		if (seg_desc.s || (seg_desc.type != 1 && seg_desc.type != 9))
+			goto exception;
+		break;
+	case VCPU_SREG_LDTR:
+		if (seg_desc.s || seg_desc.type != 2)
+			goto exception;
+		break;
+	default: /*  DS, ES, FS, or GS */
+		/*
+		 * segment is not a data or readable code segment or
+		 * ((segment is a data or nonconforming code segment)
+		 * and (both RPL and CPL > DPL))
+		 */
+		if ((seg_desc.type & 0xa) == 0x8 ||
+		    (((seg_desc.type & 0xc) != 0xc) &&
+		     (rpl > dpl && cpl > dpl)))
+			goto exception;
+		break;
+	}
+
+	if (seg_desc.s) {
+		/* mark segment as accessed */
+		seg_desc.type |= 1;
+		ret = write_segment_descriptor(ctxt, ops, selector, &seg_desc);
+		if (ret != X86EMUL_CONTINUE)
+			return ret;
+	}
+load:
+	ops->set_segment_selector(selector, seg, ctxt->vcpu);
+	ops->set_cached_descriptor(&seg_desc, seg, ctxt->vcpu);
+	return X86EMUL_CONTINUE;
+exception:
+	kvm_queue_exception_e(ctxt->vcpu, err_vec, err_code);
+	return X86EMUL_PROPAGATE_FAULT;
+}
+
 static inline void emulate_push(struct x86_emulate_ctxt *ctxt)
 {
 	struct decode_cache *c = &ctxt->decode;
@@ -1812,6 +2005,376 @@ static bool emulator_io_permited(struct x86_emulate_ctxt *ctxt,
 	return true;
 }
 
+static u32 get_cached_descriptor_base(struct x86_emulate_ctxt *ctxt,
+				      struct x86_emulate_ops *ops,
+				      int seg)
+{
+	struct desc_struct desc;
+	if (ops->get_cached_descriptor(&desc, seg, ctxt->vcpu))
+		return get_desc_base(&desc);
+	else
+		return ~0;
+}
+
+static void save_state_to_tss16(struct x86_emulate_ctxt *ctxt,
+				struct x86_emulate_ops *ops,
+				struct tss_segment_16 *tss)
+{
+	struct decode_cache *c = &ctxt->decode;
+
+	tss->ip = c->eip;
+	tss->flag = ctxt->eflags;
+	tss->ax = c->regs[VCPU_REGS_RAX];
+	tss->cx = c->regs[VCPU_REGS_RCX];
+	tss->dx = c->regs[VCPU_REGS_RDX];
+	tss->bx = c->regs[VCPU_REGS_RBX];
+	tss->sp = c->regs[VCPU_REGS_RSP];
+	tss->bp = c->regs[VCPU_REGS_RBP];
+	tss->si = c->regs[VCPU_REGS_RSI];
+	tss->di = c->regs[VCPU_REGS_RDI];
+
+	tss->es = ops->get_segment_selector(VCPU_SREG_ES, ctxt->vcpu);
+	tss->cs = ops->get_segment_selector(VCPU_SREG_CS, ctxt->vcpu);
+	tss->ss = ops->get_segment_selector(VCPU_SREG_SS, ctxt->vcpu);
+	tss->ds = ops->get_segment_selector(VCPU_SREG_DS, ctxt->vcpu);
+	tss->ldt = ops->get_segment_selector(VCPU_SREG_LDTR, ctxt->vcpu);
+}
+
+static int load_state_from_tss16(struct x86_emulate_ctxt *ctxt,
+				 struct x86_emulate_ops *ops,
+				 struct tss_segment_16 *tss)
+{
+	struct decode_cache *c = &ctxt->decode;
+	int ret;
+
+	c->eip = tss->ip;
+	ctxt->eflags = tss->flag | 2;
+	c->regs[VCPU_REGS_RAX] = tss->ax;
+	c->regs[VCPU_REGS_RCX] = tss->cx;
+	c->regs[VCPU_REGS_RDX] = tss->dx;
+	c->regs[VCPU_REGS_RBX] = tss->bx;
+	c->regs[VCPU_REGS_RSP] = tss->sp;
+	c->regs[VCPU_REGS_RBP] = tss->bp;
+	c->regs[VCPU_REGS_RSI] = tss->si;
+	c->regs[VCPU_REGS_RDI] = tss->di;
+
+	/*
+	 * SDM says that segment selectors are loaded before segment
+	 * descriptors
+	 */
+	ops->set_segment_selector(tss->ldt, VCPU_SREG_LDTR, ctxt->vcpu);
+	ops->set_segment_selector(tss->es, VCPU_SREG_ES, ctxt->vcpu);
+	ops->set_segment_selector(tss->cs, VCPU_SREG_CS, ctxt->vcpu);
+	ops->set_segment_selector(tss->ss, VCPU_SREG_SS, ctxt->vcpu);
+	ops->set_segment_selector(tss->ds, VCPU_SREG_DS, ctxt->vcpu);
+
+	/*
+	 * Now load segment descriptors. If fault happenes at this stage
+	 * it is handled in a context of new task
+	 */
+	ret = load_segment_descriptor(ctxt, ops, tss->ldt, VCPU_SREG_LDTR);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->es, VCPU_SREG_ES);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->cs, VCPU_SREG_CS);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->ss, VCPU_SREG_SS);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->ds, VCPU_SREG_DS);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+
+	return X86EMUL_CONTINUE;
+}
+
+static int task_switch_16(struct x86_emulate_ctxt *ctxt,
+			  struct x86_emulate_ops *ops,
+			  u16 tss_selector, u16 old_tss_sel,
+			  ulong old_tss_base, struct desc_struct *new_desc)
+{
+	struct tss_segment_16 tss_seg;
+	int ret;
+	u32 err, new_tss_base = get_desc_base(new_desc);
+
+	ret = ops->read_std(old_tss_base, &tss_seg, sizeof tss_seg, ctxt->vcpu,
+			    &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT) {
+		/* FIXME: need to provide precise fault address */
+		kvm_inject_page_fault(ctxt->vcpu, old_tss_base, err);
+		return ret;
+	}
+
+	save_state_to_tss16(ctxt, ops, &tss_seg);
+
+	ret = ops->write_std(old_tss_base, &tss_seg, sizeof tss_seg, ctxt->vcpu,
+			     &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT) {
+		/* FIXME: need to provide precise fault address */
+		kvm_inject_page_fault(ctxt->vcpu, old_tss_base, err);
+		return ret;
+	}
+
+	ret = ops->read_std(new_tss_base, &tss_seg, sizeof tss_seg, ctxt->vcpu,
+			    &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT) {
+		/* FIXME: need to provide precise fault address */
+		kvm_inject_page_fault(ctxt->vcpu, new_tss_base, err);
+		return ret;
+	}
+
+	if (old_tss_sel != 0xffff) {
+		tss_seg.prev_task_link = old_tss_sel;
+
+		ret = ops->write_std(new_tss_base,
+				     &tss_seg.prev_task_link,
+				     sizeof tss_seg.prev_task_link,
+				     ctxt->vcpu, &err);
+		if (ret == X86EMUL_PROPAGATE_FAULT) {
+			/* FIXME: need to provide precise fault address */
+			kvm_inject_page_fault(ctxt->vcpu, new_tss_base, err);
+			return ret;
+		}
+	}
+
+	return load_state_from_tss16(ctxt, ops, &tss_seg);
+}
+
+static void save_state_to_tss32(struct x86_emulate_ctxt *ctxt,
+				struct x86_emulate_ops *ops,
+				struct tss_segment_32 *tss)
+{
+	struct decode_cache *c = &ctxt->decode;
+
+	tss->cr3 = ops->get_cr(3, ctxt->vcpu);
+	tss->eip = c->eip;
+	tss->eflags = ctxt->eflags;
+	tss->eax = c->regs[VCPU_REGS_RAX];
+	tss->ecx = c->regs[VCPU_REGS_RCX];
+	tss->edx = c->regs[VCPU_REGS_RDX];
+	tss->ebx = c->regs[VCPU_REGS_RBX];
+	tss->esp = c->regs[VCPU_REGS_RSP];
+	tss->ebp = c->regs[VCPU_REGS_RBP];
+	tss->esi = c->regs[VCPU_REGS_RSI];
+	tss->edi = c->regs[VCPU_REGS_RDI];
+
+	tss->es = ops->get_segment_selector(VCPU_SREG_ES, ctxt->vcpu);
+	tss->cs = ops->get_segment_selector(VCPU_SREG_CS, ctxt->vcpu);
+	tss->ss = ops->get_segment_selector(VCPU_SREG_SS, ctxt->vcpu);
+	tss->ds = ops->get_segment_selector(VCPU_SREG_DS, ctxt->vcpu);
+	tss->fs = ops->get_segment_selector(VCPU_SREG_FS, ctxt->vcpu);
+	tss->gs = ops->get_segment_selector(VCPU_SREG_GS, ctxt->vcpu);
+	tss->ldt_selector = ops->get_segment_selector(VCPU_SREG_LDTR, ctxt->vcpu);
+}
+
+static int load_state_from_tss32(struct x86_emulate_ctxt *ctxt,
+				 struct x86_emulate_ops *ops,
+				 struct tss_segment_32 *tss)
+{
+	struct decode_cache *c = &ctxt->decode;
+	int ret;
+
+	ops->set_cr(3, tss->cr3, ctxt->vcpu);
+	c->eip = tss->eip;
+	ctxt->eflags = tss->eflags | 2;
+	c->regs[VCPU_REGS_RAX] = tss->eax;
+	c->regs[VCPU_REGS_RCX] = tss->ecx;
+	c->regs[VCPU_REGS_RDX] = tss->edx;
+	c->regs[VCPU_REGS_RBX] = tss->ebx;
+	c->regs[VCPU_REGS_RSP] = tss->esp;
+	c->regs[VCPU_REGS_RBP] = tss->ebp;
+	c->regs[VCPU_REGS_RSI] = tss->esi;
+	c->regs[VCPU_REGS_RDI] = tss->edi;
+
+	/*
+	 * SDM says that segment selectors are loaded before segment
+	 * descriptors
+	 */
+	ops->set_segment_selector(tss->ldt_selector, VCPU_SREG_LDTR, ctxt->vcpu);
+	ops->set_segment_selector(tss->es, VCPU_SREG_ES, ctxt->vcpu);
+	ops->set_segment_selector(tss->cs, VCPU_SREG_CS, ctxt->vcpu);
+	ops->set_segment_selector(tss->ss, VCPU_SREG_SS, ctxt->vcpu);
+	ops->set_segment_selector(tss->ds, VCPU_SREG_DS, ctxt->vcpu);
+	ops->set_segment_selector(tss->fs, VCPU_SREG_FS, ctxt->vcpu);
+	ops->set_segment_selector(tss->gs, VCPU_SREG_GS, ctxt->vcpu);
+
+	/*
+	 * Now load segment descriptors. If fault happenes at this stage
+	 * it is handled in a context of new task
+	 */
+	ret = load_segment_descriptor(ctxt, ops, tss->ldt_selector, VCPU_SREG_LDTR);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->es, VCPU_SREG_ES);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->cs, VCPU_SREG_CS);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->ss, VCPU_SREG_SS);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->ds, VCPU_SREG_DS);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->fs, VCPU_SREG_FS);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = load_segment_descriptor(ctxt, ops, tss->gs, VCPU_SREG_GS);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+
+	return X86EMUL_CONTINUE;
+}
+
+static int task_switch_32(struct x86_emulate_ctxt *ctxt,
+			  struct x86_emulate_ops *ops,
+			  u16 tss_selector, u16 old_tss_sel,
+			  ulong old_tss_base, struct desc_struct *new_desc)
+{
+	struct tss_segment_32 tss_seg;
+	int ret;
+	u32 err, new_tss_base = get_desc_base(new_desc);
+
+	ret = ops->read_std(old_tss_base, &tss_seg, sizeof tss_seg, ctxt->vcpu,
+			    &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT) {
+		/* FIXME: need to provide precise fault address */
+		kvm_inject_page_fault(ctxt->vcpu, old_tss_base, err);
+		return ret;
+	}
+
+	save_state_to_tss32(ctxt, ops, &tss_seg);
+
+	ret = ops->write_std(old_tss_base, &tss_seg, sizeof tss_seg, ctxt->vcpu,
+			     &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT) {
+		/* FIXME: need to provide precise fault address */
+		kvm_inject_page_fault(ctxt->vcpu, old_tss_base, err);
+		return ret;
+	}
+
+	ret = ops->read_std(new_tss_base, &tss_seg, sizeof tss_seg, ctxt->vcpu,
+			    &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT) {
+		/* FIXME: need to provide precise fault address */
+		kvm_inject_page_fault(ctxt->vcpu, new_tss_base, err);
+		return ret;
+	}
+
+	if (old_tss_sel != 0xffff) {
+		tss_seg.prev_task_link = old_tss_sel;
+
+		ret = ops->write_std(new_tss_base,
+				     &tss_seg.prev_task_link,
+				     sizeof tss_seg.prev_task_link,
+				     ctxt->vcpu, &err);
+		if (ret == X86EMUL_PROPAGATE_FAULT) {
+			/* FIXME: need to provide precise fault address */
+			kvm_inject_page_fault(ctxt->vcpu, new_tss_base, err);
+			return ret;
+		}
+	}
+
+	return load_state_from_tss32(ctxt, ops, &tss_seg);
+}
+
+static int emulator_do_task_switch(struct x86_emulate_ctxt *ctxt,
+				    struct x86_emulate_ops *ops,
+				    u16 tss_selector, int reason)
+{
+	struct desc_struct curr_tss_desc, next_tss_desc;
+	int ret;
+	u16 old_tss_sel = ops->get_segment_selector(VCPU_SREG_TR, ctxt->vcpu);
+	ulong old_tss_base =
+		get_cached_descriptor_base(ctxt, ops, VCPU_SREG_TR);
+
+	/* FIXME: old_tss_base == ~0 ? */
+
+	ret = read_segment_descriptor(ctxt, ops, tss_selector, &next_tss_desc);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+	ret = read_segment_descriptor(ctxt, ops, old_tss_sel, &curr_tss_desc);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
+
+	/* FIXME: check that next_tss_desc is tss */
+
+	if (reason != TASK_SWITCH_IRET) {
+		if ((tss_selector & 3) > next_tss_desc.dpl ||
+		    ops->cpl(ctxt->vcpu) > next_tss_desc.dpl) {
+			kvm_inject_gp(ctxt->vcpu, 0);
+			return X86EMUL_PROPAGATE_FAULT;
+		}
+	}
+
+	if (!next_tss_desc.p || desc_limit_scaled(&next_tss_desc) < 0x67) {
+		kvm_queue_exception_e(ctxt->vcpu, TS_VECTOR,
+				      tss_selector & 0xfffc);
+		return X86EMUL_PROPAGATE_FAULT;
+	}
+
+	if (reason == TASK_SWITCH_IRET || reason == TASK_SWITCH_JMP) {
+		curr_tss_desc.type &= ~(1 << 1); /* clear busy flag */
+		write_segment_descriptor(ctxt, ops, old_tss_sel,
+					 &curr_tss_desc);
+	}
+
+	if (reason == TASK_SWITCH_IRET)
+		ctxt->eflags = ctxt->eflags & ~X86_EFLAGS_NT;
+
+	/* set back link to prev task only if NT bit is set in eflags
+	   note that old_tss_sel is not used afetr this point */
+	if (reason != TASK_SWITCH_CALL && reason != TASK_SWITCH_GATE)
+		old_tss_sel = 0xffff;
+
+	if (next_tss_desc.type & 8)
+		ret = task_switch_32(ctxt, ops, tss_selector, old_tss_sel,
+				     old_tss_base, &next_tss_desc);
+	else
+		ret = task_switch_16(ctxt, ops, tss_selector, old_tss_sel,
+				     old_tss_base, &next_tss_desc);
+
+	if (reason == TASK_SWITCH_CALL || reason == TASK_SWITCH_GATE)
+		ctxt->eflags = ctxt->eflags | X86_EFLAGS_NT;
+
+	if (reason != TASK_SWITCH_IRET) {
+		next_tss_desc.type |= (1 << 1); /* set busy flag */
+		write_segment_descriptor(ctxt, ops, tss_selector,
+					 &next_tss_desc);
+	}
+
+	ops->set_cr(0,  ops->get_cr(0, ctxt->vcpu) | X86_CR0_TS, ctxt->vcpu);
+	ops->set_cached_descriptor(&next_tss_desc, VCPU_SREG_TR, ctxt->vcpu);
+	ops->set_segment_selector(tss_selector, VCPU_SREG_TR, ctxt->vcpu);
+
+	return ret;
+}
+
+int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
+			 struct x86_emulate_ops *ops,
+			 u16 tss_selector, int reason)
+{
+	struct decode_cache *c = &ctxt->decode;
+	int rc;
+
+	memset(c, 0, sizeof(struct decode_cache));
+	c->eip = ctxt->eip;
+	memcpy(c->regs, ctxt->vcpu->arch.regs, sizeof c->regs);
+
+	rc = emulator_do_task_switch(ctxt, ops, tss_selector, reason);
+
+	if (rc == X86EMUL_CONTINUE) {
+		memcpy(ctxt->vcpu->arch.regs, c->regs, sizeof c->regs);
+		kvm_rip_write(ctxt->vcpu, c->eip);
+	}
+
+	return rc;
+}
+
 int
 x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 {

From 2e873022f511b82a5318c7af179f588f08d68cb9 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:18 +0200
Subject: [PATCH 1617/3638] KVM: x86 emulator: Use load_segment_descriptor()
 instead of kvm_load_segment_descriptor()

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index db4776c6b50..702bffffd27 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1508,7 +1508,7 @@ static int emulate_pop_sreg(struct x86_emulate_ctxt *ctxt,
 	if (rc != X86EMUL_CONTINUE)
 		return rc;
 
-	rc = kvm_load_segment_descriptor(ctxt->vcpu, (u16)selector, seg);
+	rc = load_segment_descriptor(ctxt, ops, (u16)selector, seg);
 	return rc;
 }
 
@@ -1683,7 +1683,7 @@ static int emulate_ret_far(struct x86_emulate_ctxt *ctxt,
 	rc = emulate_pop(ctxt, ops, &cs, c->op_bytes);
 	if (rc != X86EMUL_CONTINUE)
 		return rc;
-	rc = kvm_load_segment_descriptor(ctxt->vcpu, (u16)cs, VCPU_SREG_CS);
+	rc = load_segment_descriptor(ctxt, ops, (u16)cs, VCPU_SREG_CS);
 	return rc;
 }
 
@@ -2717,7 +2717,7 @@ special_insn:
 		if (c->modrm_reg == VCPU_SREG_SS)
 			toggle_interruptibility(ctxt, KVM_X86_SHADOW_INT_MOV_SS);
 
-		rc = kvm_load_segment_descriptor(ctxt->vcpu, sel, c->modrm_reg);
+		rc = load_segment_descriptor(ctxt, ops, sel, c->modrm_reg);
 
 		c->dst.type = OP_NONE;  /* Disable writeback. */
 		break;
@@ -2892,8 +2892,8 @@ special_insn:
 		goto jmp;
 	case 0xea: /* jmp far */
 	jump_far:
-		if (kvm_load_segment_descriptor(ctxt->vcpu, c->src2.val,
-						VCPU_SREG_CS))
+		if (load_segment_descriptor(ctxt, ops, c->src2.val,
+					    VCPU_SREG_CS))
 			goto done;
 
 		c->eip = c->src.val;

From ceffb4597253b2420d2f171d8b1cdf2cd3137989 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:19 +0200
Subject: [PATCH 1618/3638] KVM: Use task switch from emulator.c

Remove old task switch code from x86.c

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c |   6 +-
 arch/x86/kvm/x86.c     | 561 ++---------------------------------------
 2 files changed, 22 insertions(+), 545 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 702bffffd27..8225ec26efe 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2291,6 +2291,7 @@ static int emulator_do_task_switch(struct x86_emulate_ctxt *ctxt,
 	u16 old_tss_sel = ops->get_segment_selector(VCPU_SREG_TR, ctxt->vcpu);
 	ulong old_tss_base =
 		get_cached_descriptor_base(ctxt, ops, VCPU_SREG_TR);
+	u32 desc_limit;
 
 	/* FIXME: old_tss_base == ~0 ? */
 
@@ -2311,7 +2312,10 @@ static int emulator_do_task_switch(struct x86_emulate_ctxt *ctxt,
 		}
 	}
 
-	if (!next_tss_desc.p || desc_limit_scaled(&next_tss_desc) < 0x67) {
+	desc_limit = desc_limit_scaled(&next_tss_desc);
+	if (!next_tss_desc.p ||
+	    ((desc_limit < 0x67 && (next_tss_desc.type & 8)) ||
+	     desc_limit < 0x2b)) {
 		kvm_queue_exception_e(ctxt->vcpu, TS_VECTOR,
 				      tss_selector & 0xfffc);
 		return X86EMUL_PROPAGATE_FAULT;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fbee8fbb33b..f69854c8f33 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4832,557 +4832,30 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
 	return 0;
 }
 
-static void seg_desct_to_kvm_desct(struct desc_struct *seg_desc, u16 selector,
-				   struct kvm_segment *kvm_desct)
-{
-	kvm_desct->base = get_desc_base(seg_desc);
-	kvm_desct->limit = get_desc_limit(seg_desc);
-	if (seg_desc->g) {
-		kvm_desct->limit <<= 12;
-		kvm_desct->limit |= 0xfff;
-	}
-	kvm_desct->selector = selector;
-	kvm_desct->type = seg_desc->type;
-	kvm_desct->present = seg_desc->p;
-	kvm_desct->dpl = seg_desc->dpl;
-	kvm_desct->db = seg_desc->d;
-	kvm_desct->s = seg_desc->s;
-	kvm_desct->l = seg_desc->l;
-	kvm_desct->g = seg_desc->g;
-	kvm_desct->avl = seg_desc->avl;
-	if (!selector)
-		kvm_desct->unusable = 1;
-	else
-		kvm_desct->unusable = 0;
-	kvm_desct->padding = 0;
-}
-
-static void get_segment_descriptor_dtable(struct kvm_vcpu *vcpu,
-					  u16 selector,
-					  struct desc_ptr *dtable)
-{
-	if (selector & 1 << 2) {
-		struct kvm_segment kvm_seg;
-
-		kvm_get_segment(vcpu, &kvm_seg, VCPU_SREG_LDTR);
-
-		if (kvm_seg.unusable)
-			dtable->size = 0;
-		else
-			dtable->size = kvm_seg.limit;
-		dtable->address = kvm_seg.base;
-	}
-	else
-		kvm_x86_ops->get_gdt(vcpu, dtable);
-}
-
-/* allowed just for 8 bytes segments */
-static int load_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
-					 struct desc_struct *seg_desc)
-{
-	struct desc_ptr dtable;
-	u16 index = selector >> 3;
-	int ret;
-	u32 err;
-	gva_t addr;
-
-	get_segment_descriptor_dtable(vcpu, selector, &dtable);
-
-	if (dtable.size < index * 8 + 7) {
-		kvm_queue_exception_e(vcpu, GP_VECTOR, selector & 0xfffc);
-		return X86EMUL_PROPAGATE_FAULT;
-	}
-	addr = dtable.base + index * 8;
-	ret = kvm_read_guest_virt_system(addr, seg_desc, sizeof(*seg_desc),
-					 vcpu,  &err);
-	if (ret == X86EMUL_PROPAGATE_FAULT)
-		kvm_inject_page_fault(vcpu, addr, err);
-
-       return ret;
-}
-
-/* allowed just for 8 bytes segments */
-static int save_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
-					 struct desc_struct *seg_desc)
-{
-	struct desc_ptr dtable;
-	u16 index = selector >> 3;
-
-	get_segment_descriptor_dtable(vcpu, selector, &dtable);
-
-	if (dtable.size < index * 8 + 7)
-		return 1;
-	return kvm_write_guest_virt(dtable.address + index*8, seg_desc, sizeof(*seg_desc), vcpu, NULL);
-}
-
-static gpa_t get_tss_base_addr_write(struct kvm_vcpu *vcpu,
-			       struct desc_struct *seg_desc)
-{
-	u32 base_addr = get_desc_base(seg_desc);
-
-	return kvm_mmu_gva_to_gpa_write(vcpu, base_addr, NULL);
-}
-
-static gpa_t get_tss_base_addr_read(struct kvm_vcpu *vcpu,
-			     struct desc_struct *seg_desc)
-{
-	u32 base_addr = get_desc_base(seg_desc);
-
-	return kvm_mmu_gva_to_gpa_read(vcpu, base_addr, NULL);
-}
-
-static u16 get_segment_selector(struct kvm_vcpu *vcpu, int seg)
-{
-	struct kvm_segment kvm_seg;
-
-	kvm_get_segment(vcpu, &kvm_seg, seg);
-	return kvm_seg.selector;
-}
-
-static int kvm_load_realmode_segment(struct kvm_vcpu *vcpu, u16 selector, int seg)
-{
-	struct kvm_segment segvar = {
-		.base = selector << 4,
-		.limit = 0xffff,
-		.selector = selector,
-		.type = 3,
-		.present = 1,
-		.dpl = 3,
-		.db = 0,
-		.s = 1,
-		.l = 0,
-		.g = 0,
-		.avl = 0,
-		.unusable = 0,
-	};
-	kvm_x86_ops->set_segment(vcpu, &segvar, seg);
-	return X86EMUL_CONTINUE;
-}
-
-static int is_vm86_segment(struct kvm_vcpu *vcpu, int seg)
-{
-	return (seg != VCPU_SREG_LDTR) &&
-		(seg != VCPU_SREG_TR) &&
-		(kvm_get_rflags(vcpu) & X86_EFLAGS_VM);
-}
-
-int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg)
-{
-	struct kvm_segment kvm_seg;
-	struct desc_struct seg_desc;
-	u8 dpl, rpl, cpl;
-	unsigned err_vec = GP_VECTOR;
-	u32 err_code = 0;
-	bool null_selector = !(selector & ~0x3); /* 0000-0003 are null */
-	int ret;
-
-	if (is_vm86_segment(vcpu, seg) || !is_protmode(vcpu))
-		return kvm_load_realmode_segment(vcpu, selector, seg);
-
-	/* NULL selector is not valid for TR, CS and SS */
-	if ((seg == VCPU_SREG_CS || seg == VCPU_SREG_SS || seg == VCPU_SREG_TR)
-	    && null_selector)
-		goto exception;
-
-	/* TR should be in GDT only */
-	if (seg == VCPU_SREG_TR && (selector & (1 << 2)))
-		goto exception;
-
-	ret = load_guest_segment_descriptor(vcpu, selector, &seg_desc);
-	if (ret)
-		return ret;
-
-	seg_desct_to_kvm_desct(&seg_desc, selector, &kvm_seg);
-
-	if (null_selector) { /* for NULL selector skip all following checks */
-		kvm_seg.unusable = 1;
-		goto load;
-	}
-
-	err_code = selector & 0xfffc;
-	err_vec = GP_VECTOR;
-
-	/* can't load system descriptor into segment selecor */
-	if (seg <= VCPU_SREG_GS && !kvm_seg.s)
-		goto exception;
-
-	if (!kvm_seg.present) {
-		err_vec = (seg == VCPU_SREG_SS) ? SS_VECTOR : NP_VECTOR;
-		goto exception;
-	}
-
-	rpl = selector & 3;
-	dpl = kvm_seg.dpl;
-	cpl = kvm_x86_ops->get_cpl(vcpu);
-
-	switch (seg) {
-	case VCPU_SREG_SS:
-		/*
-		 * segment is not a writable data segment or segment
-		 * selector's RPL != CPL or segment selector's RPL != CPL
-		 */
-		if (rpl != cpl || (kvm_seg.type & 0xa) != 0x2 || dpl != cpl)
-			goto exception;
-		break;
-	case VCPU_SREG_CS:
-		if (!(kvm_seg.type & 8))
-			goto exception;
-
-		if (kvm_seg.type & 4) {
-			/* conforming */
-			if (dpl > cpl)
-				goto exception;
-		} else {
-			/* nonconforming */
-			if (rpl > cpl || dpl != cpl)
-				goto exception;
-		}
-		/* CS(RPL) <- CPL */
-		selector = (selector & 0xfffc) | cpl;
-            break;
-	case VCPU_SREG_TR:
-		if (kvm_seg.s || (kvm_seg.type != 1 && kvm_seg.type != 9))
-			goto exception;
-		break;
-	case VCPU_SREG_LDTR:
-		if (kvm_seg.s || kvm_seg.type != 2)
-			goto exception;
-		break;
-	default: /*  DS, ES, FS, or GS */
-		/*
-		 * segment is not a data or readable code segment or
-		 * ((segment is a data or nonconforming code segment)
-		 * and (both RPL and CPL > DPL))
-		 */
-		if ((kvm_seg.type & 0xa) == 0x8 ||
-		    (((kvm_seg.type & 0xc) != 0xc) && (rpl > dpl && cpl > dpl)))
-			goto exception;
-		break;
-	}
-
-	if (!kvm_seg.unusable && kvm_seg.s) {
-		/* mark segment as accessed */
-		kvm_seg.type |= 1;
-		seg_desc.type |= 1;
-		save_guest_segment_descriptor(vcpu, selector, &seg_desc);
-	}
-load:
-	kvm_set_segment(vcpu, &kvm_seg, seg);
-	return X86EMUL_CONTINUE;
-exception:
-	kvm_queue_exception_e(vcpu, err_vec, err_code);
-	return X86EMUL_PROPAGATE_FAULT;
-}
-
-static void save_state_to_tss32(struct kvm_vcpu *vcpu,
-				struct tss_segment_32 *tss)
-{
-	tss->cr3 = vcpu->arch.cr3;
-	tss->eip = kvm_rip_read(vcpu);
-	tss->eflags = kvm_get_rflags(vcpu);
-	tss->eax = kvm_register_read(vcpu, VCPU_REGS_RAX);
-	tss->ecx = kvm_register_read(vcpu, VCPU_REGS_RCX);
-	tss->edx = kvm_register_read(vcpu, VCPU_REGS_RDX);
-	tss->ebx = kvm_register_read(vcpu, VCPU_REGS_RBX);
-	tss->esp = kvm_register_read(vcpu, VCPU_REGS_RSP);
-	tss->ebp = kvm_register_read(vcpu, VCPU_REGS_RBP);
-	tss->esi = kvm_register_read(vcpu, VCPU_REGS_RSI);
-	tss->edi = kvm_register_read(vcpu, VCPU_REGS_RDI);
-	tss->es = get_segment_selector(vcpu, VCPU_SREG_ES);
-	tss->cs = get_segment_selector(vcpu, VCPU_SREG_CS);
-	tss->ss = get_segment_selector(vcpu, VCPU_SREG_SS);
-	tss->ds = get_segment_selector(vcpu, VCPU_SREG_DS);
-	tss->fs = get_segment_selector(vcpu, VCPU_SREG_FS);
-	tss->gs = get_segment_selector(vcpu, VCPU_SREG_GS);
-	tss->ldt_selector = get_segment_selector(vcpu, VCPU_SREG_LDTR);
-}
-
-static void kvm_load_segment_selector(struct kvm_vcpu *vcpu, u16 sel, int seg)
-{
-	struct kvm_segment kvm_seg;
-	kvm_get_segment(vcpu, &kvm_seg, seg);
-	kvm_seg.selector = sel;
-	kvm_set_segment(vcpu, &kvm_seg, seg);
-}
-
-static int load_state_from_tss32(struct kvm_vcpu *vcpu,
-				  struct tss_segment_32 *tss)
-{
-	kvm_set_cr3(vcpu, tss->cr3);
-
-	kvm_rip_write(vcpu, tss->eip);
-	kvm_set_rflags(vcpu, tss->eflags | 2);
-
-	kvm_register_write(vcpu, VCPU_REGS_RAX, tss->eax);
-	kvm_register_write(vcpu, VCPU_REGS_RCX, tss->ecx);
-	kvm_register_write(vcpu, VCPU_REGS_RDX, tss->edx);
-	kvm_register_write(vcpu, VCPU_REGS_RBX, tss->ebx);
-	kvm_register_write(vcpu, VCPU_REGS_RSP, tss->esp);
-	kvm_register_write(vcpu, VCPU_REGS_RBP, tss->ebp);
-	kvm_register_write(vcpu, VCPU_REGS_RSI, tss->esi);
-	kvm_register_write(vcpu, VCPU_REGS_RDI, tss->edi);
-
-	/*
-	 * SDM says that segment selectors are loaded before segment
-	 * descriptors
-	 */
-	kvm_load_segment_selector(vcpu, tss->ldt_selector, VCPU_SREG_LDTR);
-	kvm_load_segment_selector(vcpu, tss->es, VCPU_SREG_ES);
-	kvm_load_segment_selector(vcpu, tss->cs, VCPU_SREG_CS);
-	kvm_load_segment_selector(vcpu, tss->ss, VCPU_SREG_SS);
-	kvm_load_segment_selector(vcpu, tss->ds, VCPU_SREG_DS);
-	kvm_load_segment_selector(vcpu, tss->fs, VCPU_SREG_FS);
-	kvm_load_segment_selector(vcpu, tss->gs, VCPU_SREG_GS);
-
-	/*
-	 * Now load segment descriptors. If fault happenes at this stage
-	 * it is handled in a context of new task
-	 */
-	if (kvm_load_segment_descriptor(vcpu, tss->ldt_selector, VCPU_SREG_LDTR))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->es, VCPU_SREG_ES))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->cs, VCPU_SREG_CS))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->ss, VCPU_SREG_SS))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->ds, VCPU_SREG_DS))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->fs, VCPU_SREG_FS))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->gs, VCPU_SREG_GS))
-		return 1;
-	return 0;
-}
-
-static void save_state_to_tss16(struct kvm_vcpu *vcpu,
-				struct tss_segment_16 *tss)
-{
-	tss->ip = kvm_rip_read(vcpu);
-	tss->flag = kvm_get_rflags(vcpu);
-	tss->ax = kvm_register_read(vcpu, VCPU_REGS_RAX);
-	tss->cx = kvm_register_read(vcpu, VCPU_REGS_RCX);
-	tss->dx = kvm_register_read(vcpu, VCPU_REGS_RDX);
-	tss->bx = kvm_register_read(vcpu, VCPU_REGS_RBX);
-	tss->sp = kvm_register_read(vcpu, VCPU_REGS_RSP);
-	tss->bp = kvm_register_read(vcpu, VCPU_REGS_RBP);
-	tss->si = kvm_register_read(vcpu, VCPU_REGS_RSI);
-	tss->di = kvm_register_read(vcpu, VCPU_REGS_RDI);
-
-	tss->es = get_segment_selector(vcpu, VCPU_SREG_ES);
-	tss->cs = get_segment_selector(vcpu, VCPU_SREG_CS);
-	tss->ss = get_segment_selector(vcpu, VCPU_SREG_SS);
-	tss->ds = get_segment_selector(vcpu, VCPU_SREG_DS);
-	tss->ldt = get_segment_selector(vcpu, VCPU_SREG_LDTR);
-}
-
-static int load_state_from_tss16(struct kvm_vcpu *vcpu,
-				 struct tss_segment_16 *tss)
-{
-	kvm_rip_write(vcpu, tss->ip);
-	kvm_set_rflags(vcpu, tss->flag | 2);
-	kvm_register_write(vcpu, VCPU_REGS_RAX, tss->ax);
-	kvm_register_write(vcpu, VCPU_REGS_RCX, tss->cx);
-	kvm_register_write(vcpu, VCPU_REGS_RDX, tss->dx);
-	kvm_register_write(vcpu, VCPU_REGS_RBX, tss->bx);
-	kvm_register_write(vcpu, VCPU_REGS_RSP, tss->sp);
-	kvm_register_write(vcpu, VCPU_REGS_RBP, tss->bp);
-	kvm_register_write(vcpu, VCPU_REGS_RSI, tss->si);
-	kvm_register_write(vcpu, VCPU_REGS_RDI, tss->di);
-
-	/*
-	 * SDM says that segment selectors are loaded before segment
-	 * descriptors
-	 */
-	kvm_load_segment_selector(vcpu, tss->ldt, VCPU_SREG_LDTR);
-	kvm_load_segment_selector(vcpu, tss->es, VCPU_SREG_ES);
-	kvm_load_segment_selector(vcpu, tss->cs, VCPU_SREG_CS);
-	kvm_load_segment_selector(vcpu, tss->ss, VCPU_SREG_SS);
-	kvm_load_segment_selector(vcpu, tss->ds, VCPU_SREG_DS);
-
-	/*
-	 * Now load segment descriptors. If fault happenes at this stage
-	 * it is handled in a context of new task
-	 */
-	if (kvm_load_segment_descriptor(vcpu, tss->ldt, VCPU_SREG_LDTR))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->es, VCPU_SREG_ES))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->cs, VCPU_SREG_CS))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->ss, VCPU_SREG_SS))
-		return 1;
-
-	if (kvm_load_segment_descriptor(vcpu, tss->ds, VCPU_SREG_DS))
-		return 1;
-	return 0;
-}
-
-static int kvm_task_switch_16(struct kvm_vcpu *vcpu, u16 tss_selector,
-			      u16 old_tss_sel, u32 old_tss_base,
-			      struct desc_struct *nseg_desc)
-{
-	struct tss_segment_16 tss_segment_16;
-	int ret = 0;
-
-	if (kvm_read_guest(vcpu->kvm, old_tss_base, &tss_segment_16,
-			   sizeof tss_segment_16))
-		goto out;
-
-	save_state_to_tss16(vcpu, &tss_segment_16);
-
-	if (kvm_write_guest(vcpu->kvm, old_tss_base, &tss_segment_16,
-			    sizeof tss_segment_16))
-		goto out;
-
-	if (kvm_read_guest(vcpu->kvm, get_tss_base_addr_read(vcpu, nseg_desc),
-			   &tss_segment_16, sizeof tss_segment_16))
-		goto out;
-
-	if (old_tss_sel != 0xffff) {
-		tss_segment_16.prev_task_link = old_tss_sel;
-
-		if (kvm_write_guest(vcpu->kvm,
-				    get_tss_base_addr_write(vcpu, nseg_desc),
-				    &tss_segment_16.prev_task_link,
-				    sizeof tss_segment_16.prev_task_link))
-			goto out;
-	}
-
-	if (load_state_from_tss16(vcpu, &tss_segment_16))
-		goto out;
-
-	ret = 1;
-out:
-	return ret;
-}
-
-static int kvm_task_switch_32(struct kvm_vcpu *vcpu, u16 tss_selector,
-		       u16 old_tss_sel, u32 old_tss_base,
-		       struct desc_struct *nseg_desc)
-{
-	struct tss_segment_32 tss_segment_32;
-	int ret = 0;
-
-	if (kvm_read_guest(vcpu->kvm, old_tss_base, &tss_segment_32,
-			   sizeof tss_segment_32))
-		goto out;
-
-	save_state_to_tss32(vcpu, &tss_segment_32);
-
-	if (kvm_write_guest(vcpu->kvm, old_tss_base, &tss_segment_32,
-			    sizeof tss_segment_32))
-		goto out;
-
-	if (kvm_read_guest(vcpu->kvm, get_tss_base_addr_read(vcpu, nseg_desc),
-			   &tss_segment_32, sizeof tss_segment_32))
-		goto out;
-
-	if (old_tss_sel != 0xffff) {
-		tss_segment_32.prev_task_link = old_tss_sel;
-
-		if (kvm_write_guest(vcpu->kvm,
-				    get_tss_base_addr_write(vcpu, nseg_desc),
-				    &tss_segment_32.prev_task_link,
-				    sizeof tss_segment_32.prev_task_link))
-			goto out;
-	}
-
-	if (load_state_from_tss32(vcpu, &tss_segment_32))
-		goto out;
-
-	ret = 1;
-out:
-	return ret;
-}
-
 int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason)
 {
-	struct kvm_segment tr_seg;
-	struct desc_struct cseg_desc;
-	struct desc_struct nseg_desc;
-	int ret = 0;
-	u32 old_tss_base = get_segment_base(vcpu, VCPU_SREG_TR);
-	u16 old_tss_sel = get_segment_selector(vcpu, VCPU_SREG_TR);
-	u32 desc_limit;
+	int cs_db, cs_l, ret;
+	cache_all_regs(vcpu);
 
-	old_tss_base = kvm_mmu_gva_to_gpa_write(vcpu, old_tss_base, NULL);
+	kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l);
 
-	/* FIXME: Handle errors. Failure to read either TSS or their
-	 * descriptors should generate a pagefault.
-	 */
-	if (load_guest_segment_descriptor(vcpu, tss_selector, &nseg_desc))
-		goto out;
+	vcpu->arch.emulate_ctxt.vcpu = vcpu;
+	vcpu->arch.emulate_ctxt.eflags = kvm_x86_ops->get_rflags(vcpu);
+	vcpu->arch.emulate_ctxt.eip = kvm_rip_read(vcpu);
+	vcpu->arch.emulate_ctxt.mode =
+		(!is_protmode(vcpu)) ? X86EMUL_MODE_REAL :
+		(vcpu->arch.emulate_ctxt.eflags & X86_EFLAGS_VM)
+		? X86EMUL_MODE_VM86 : cs_l
+		? X86EMUL_MODE_PROT64 :	cs_db
+		? X86EMUL_MODE_PROT32 : X86EMUL_MODE_PROT16;
 
-	if (load_guest_segment_descriptor(vcpu, old_tss_sel, &cseg_desc))
-		goto out;
+	ret = emulator_task_switch(&vcpu->arch.emulate_ctxt, &emulate_ops,
+				   tss_selector, reason);
 
-	if (reason != TASK_SWITCH_IRET) {
-		int cpl;
+	if (ret == X86EMUL_CONTINUE)
+		kvm_x86_ops->set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags);
 
-		cpl = kvm_x86_ops->get_cpl(vcpu);
-		if ((tss_selector & 3) > nseg_desc.dpl || cpl > nseg_desc.dpl) {
-			kvm_queue_exception_e(vcpu, GP_VECTOR, 0);
-			return 1;
-		}
-	}
-
-	desc_limit = get_desc_limit(&nseg_desc);
-	if (!nseg_desc.p ||
-	    ((desc_limit < 0x67 && (nseg_desc.type & 8)) ||
-	     desc_limit < 0x2b)) {
-		kvm_queue_exception_e(vcpu, TS_VECTOR, tss_selector & 0xfffc);
-		return 1;
-	}
-
-	if (reason == TASK_SWITCH_IRET || reason == TASK_SWITCH_JMP) {
-		cseg_desc.type &= ~(1 << 1); //clear the B flag
-		save_guest_segment_descriptor(vcpu, old_tss_sel, &cseg_desc);
-	}
-
-	if (reason == TASK_SWITCH_IRET) {
-		u32 eflags = kvm_get_rflags(vcpu);
-		kvm_set_rflags(vcpu, eflags & ~X86_EFLAGS_NT);
-	}
-
-	/* set back link to prev task only if NT bit is set in eflags
-	   note that old_tss_sel is not used afetr this point */
-	if (reason != TASK_SWITCH_CALL && reason != TASK_SWITCH_GATE)
-		old_tss_sel = 0xffff;
-
-	if (nseg_desc.type & 8)
-		ret = kvm_task_switch_32(vcpu, tss_selector, old_tss_sel,
-					 old_tss_base, &nseg_desc);
-	else
-		ret = kvm_task_switch_16(vcpu, tss_selector, old_tss_sel,
-					 old_tss_base, &nseg_desc);
-
-	if (reason == TASK_SWITCH_CALL || reason == TASK_SWITCH_GATE) {
-		u32 eflags = kvm_get_rflags(vcpu);
-		kvm_set_rflags(vcpu, eflags | X86_EFLAGS_NT);
-	}
-
-	if (reason != TASK_SWITCH_IRET) {
-		nseg_desc.type |= (1 << 1);
-		save_guest_segment_descriptor(vcpu, tss_selector,
-					      &nseg_desc);
-	}
-
-	kvm_x86_ops->set_cr0(vcpu, kvm_read_cr0(vcpu) | X86_CR0_TS);
-	seg_desct_to_kvm_desct(&nseg_desc, tss_selector, &tr_seg);
-	tr_seg.type = 11;
-	kvm_set_segment(vcpu, &tr_seg, VCPU_SREG_TR);
-out:
-	return ret;
+	return (ret != X86EMUL_CONTINUE);
 }
 EXPORT_SYMBOL_GPL(kvm_task_switch);
 

From 69f55cb11e8d789433d111ac3a0f60be37a1ae01 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:20 +0200
Subject: [PATCH 1619/3638] KVM: x86 emulator: populate OP_MEM operand during
 decoding.

All struct operand fields are initialized during decoding for all
operand types except OP_MEM, but there is no reason for that. Move
OP_MEM operand initialization into decoding stage for consistency.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 66 +++++++++++++++++++-----------------------
 1 file changed, 29 insertions(+), 37 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 8225ec26efe..0eed6839619 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1057,6 +1057,10 @@ done_prefixes:
 
 	if (c->ad_bytes != 8)
 		c->modrm_ea = (u32)c->modrm_ea;
+
+	if (c->rip_relative)
+		c->modrm_ea += c->eip;
+
 	/*
 	 * Decode and fetch the source operand: register, memory
 	 * or immediate.
@@ -1091,6 +1095,8 @@ done_prefixes:
 			break;
 		}
 		c->src.type = OP_MEM;
+		c->src.ptr = (unsigned long *)c->modrm_ea;
+		c->src.val = 0;
 		break;
 	case SrcImm:
 	case SrcImmU:
@@ -1169,8 +1175,10 @@ done_prefixes:
 		c->src2.val = 1;
 		break;
 	case Src2Mem16:
-		c->src2.bytes = 2;
 		c->src2.type = OP_MEM;
+		c->src2.bytes = 2;
+		c->src2.ptr = (unsigned long *)(c->modrm_ea + c->src.bytes);
+		c->src2.val = 0;
 		break;
 	}
 
@@ -1192,6 +1200,15 @@ done_prefixes:
 			break;
 		}
 		c->dst.type = OP_MEM;
+		c->dst.ptr = (unsigned long *)c->modrm_ea;
+		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
+		c->dst.val = 0;
+		if (c->d & BitOp) {
+			unsigned long mask = ~(c->dst.bytes * 8 - 1);
+
+			c->dst.ptr = (void *)c->dst.ptr +
+						   (c->src.val & mask) / 8;
+		}
 		break;
 	case DstAcc:
 		c->dst.type = OP_REG;
@@ -1215,9 +1232,6 @@ done_prefixes:
 		break;
 	}
 
-	if (c->rip_relative)
-		c->modrm_ea += c->eip;
-
 done:
 	return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0;
 }
@@ -1638,14 +1652,13 @@ static inline int emulate_grp45(struct x86_emulate_ctxt *ctxt,
 }
 
 static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
-			       struct x86_emulate_ops *ops,
-			       unsigned long memop)
+			       struct x86_emulate_ops *ops)
 {
 	struct decode_cache *c = &ctxt->decode;
 	u64 old, new;
 	int rc;
 
-	rc = ops->read_emulated(memop, &old, 8, ctxt->vcpu);
+	rc = ops->read_emulated(c->modrm_ea, &old, 8, ctxt->vcpu);
 	if (rc != X86EMUL_CONTINUE)
 		return rc;
 
@@ -1660,7 +1673,7 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
 		new = ((u64)c->regs[VCPU_REGS_RCX] << 32) |
 		       (u32) c->regs[VCPU_REGS_RBX];
 
-		rc = ops->cmpxchg_emulated(memop, &old, &new, 8, ctxt->vcpu);
+		rc = ops->cmpxchg_emulated(c->modrm_ea, &old, &new, 8, ctxt->vcpu);
 		if (rc != X86EMUL_CONTINUE)
 			return rc;
 		ctxt->eflags |= EFLG_ZF;
@@ -2382,7 +2395,6 @@ int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
 int
 x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 {
-	unsigned long memop = 0;
 	u64 msr_data;
 	unsigned long saved_eip = 0;
 	struct decode_cache *c = &ctxt->decode;
@@ -2417,9 +2429,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 		goto done;
 	}
 
-	if (((c->d & ModRM) && (c->modrm_mod != 3)) || (c->d & MemAbs))
-		memop = c->modrm_ea;
-
 	if (c->rep_prefix && (c->d & String)) {
 		/* All REP prefixes have the same first termination condition */
 		if (address_mask(c, c->regs[VCPU_REGS_RCX]) == 0) {
@@ -2451,8 +2460,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	}
 
 	if (c->src.type == OP_MEM) {
-		c->src.ptr = (unsigned long *)memop;
-		c->src.val = 0;
 		rc = ops->read_emulated((unsigned long)c->src.ptr,
 					&c->src.val,
 					c->src.bytes,
@@ -2463,8 +2470,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	}
 
 	if (c->src2.type == OP_MEM) {
-		c->src2.ptr = (unsigned long *)(memop + c->src.bytes);
-		c->src2.val = 0;
 		rc = ops->read_emulated((unsigned long)c->src2.ptr,
 					&c->src2.val,
 					c->src2.bytes,
@@ -2477,25 +2482,12 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 		goto special_insn;
 
 
-	if (c->dst.type == OP_MEM) {
-		c->dst.ptr = (unsigned long *)memop;
-		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
-		c->dst.val = 0;
-		if (c->d & BitOp) {
-			unsigned long mask = ~(c->dst.bytes * 8 - 1);
-
-			c->dst.ptr = (void *)c->dst.ptr +
-						   (c->src.val & mask) / 8;
-		}
-		if (!(c->d & Mov)) {
-			/* optimisation - avoid slow emulated read */
-			rc = ops->read_emulated((unsigned long)c->dst.ptr,
-						&c->dst.val,
-						c->dst.bytes,
-						ctxt->vcpu);
-			if (rc != X86EMUL_CONTINUE)
-				goto done;
-		}
+	if ((c->dst.type == OP_MEM) && !(c->d & Mov)) {
+		/* optimisation - avoid slow emulated read if Mov */
+		rc = ops->read_emulated((unsigned long)c->dst.ptr, &c->dst.val,
+					c->dst.bytes, ctxt->vcpu);
+		if (rc != X86EMUL_CONTINUE)
+			goto done;
 	}
 	c->dst.orig_val = c->dst.val;
 
@@ -3062,7 +3054,7 @@ twobyte_insn:
 			kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
 			goto done;
 		case 7: /* invlpg*/
-			emulate_invlpg(ctxt->vcpu, memop);
+			emulate_invlpg(ctxt->vcpu, c->modrm_ea);
 			/* Disable writeback. */
 			c->dst.type = OP_NONE;
 			break;
@@ -3263,7 +3255,7 @@ twobyte_insn:
 							(u64) c->src.val;
 		break;
 	case 0xc7:		/* Grp9 (cmpxchg8b) */
-		rc = emulate_grp9(ctxt, ops, memop);
+		rc = emulate_grp9(ctxt, ops);
 		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		c->dst.type = OP_NONE;

From a682e35449abc83d260a8219015c7cb4b25ecced Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:21 +0200
Subject: [PATCH 1620/3638] KVM: x86 emulator: add decoding of X,Y parameters
 from Intel SDM

Add decoding of X,Y parameters from Intel SDM which are used by string
instruction to specify source and destination. Use this new decoding
to implement movs, cmps, stos, lods in a generic way.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 125 +++++++++++++++--------------------------
 1 file changed, 44 insertions(+), 81 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 0eed6839619..3b32270a20d 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -51,6 +51,7 @@
 #define DstReg      (2<<1)	/* Register operand. */
 #define DstMem      (3<<1)	/* Memory operand. */
 #define DstAcc      (4<<1)      /* Destination Accumulator */
+#define DstDI       (5<<1)	/* Destination is in ES:(E)DI */
 #define DstMask     (7<<1)
 /* Source operand type. */
 #define SrcNone     (0<<4)	/* No source operand. */
@@ -64,6 +65,7 @@
 #define SrcOne      (7<<4)	/* Implied '1' */
 #define SrcImmUByte (8<<4)      /* 8-bit unsigned immediate operand. */
 #define SrcImmU     (9<<4)      /* Immediate operand, unsigned */
+#define SrcSI       (0xa<<4)	/* Source is in the DS:RSI */
 #define SrcMask     (0xf<<4)
 /* Generic ModRM decode. */
 #define ModRM       (1<<8)
@@ -177,12 +179,12 @@ static u32 opcode_table[256] = {
 	/* 0xA0 - 0xA7 */
 	ByteOp | DstReg | SrcMem | Mov | MemAbs, DstReg | SrcMem | Mov | MemAbs,
 	ByteOp | DstMem | SrcReg | Mov | MemAbs, DstMem | SrcReg | Mov | MemAbs,
-	ByteOp | ImplicitOps | Mov | String, ImplicitOps | Mov | String,
-	ByteOp | ImplicitOps | String, ImplicitOps | String,
+	ByteOp | SrcSI | DstDI | Mov | String, SrcSI | DstDI | Mov | String,
+	ByteOp | SrcSI | DstDI | String, SrcSI | DstDI | String,
 	/* 0xA8 - 0xAF */
-	0, 0, ByteOp | ImplicitOps | Mov | String, ImplicitOps | Mov | String,
-	ByteOp | ImplicitOps | Mov | String, ImplicitOps | Mov | String,
-	ByteOp | ImplicitOps | String, ImplicitOps | String,
+	0, 0, ByteOp | DstDI | Mov | String, DstDI | Mov | String,
+	ByteOp | SrcSI | DstAcc | Mov | String, SrcSI | DstAcc | Mov | String,
+	ByteOp | DstDI | String, DstDI | String,
 	/* 0xB0 - 0xB7 */
 	ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov,
 	ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov,
@@ -1145,6 +1147,14 @@ done_prefixes:
 		c->src.bytes = 1;
 		c->src.val = 1;
 		break;
+	case SrcSI:
+		c->src.type = OP_MEM;
+		c->src.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
+		c->src.ptr = (unsigned long *)
+			register_address(c,  seg_override_base(ctxt, c),
+					 c->regs[VCPU_REGS_RSI]);
+		c->src.val = 0;
+		break;
 	}
 
 	/*
@@ -1230,6 +1240,14 @@ done_prefixes:
 		}
 		c->dst.orig_val = c->dst.val;
 		break;
+	case DstDI:
+		c->dst.type = OP_MEM;
+		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
+		c->dst.ptr = (unsigned long *)
+			register_address(c, es_base(ctxt),
+					 c->regs[VCPU_REGS_RDI]);
+		c->dst.val = 0;
+		break;
 	}
 
 done:
@@ -2392,6 +2410,16 @@ int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
 	return rc;
 }
 
+static void string_addr_inc(struct x86_emulate_ctxt *ctxt, unsigned long base,
+			    int reg, unsigned long **ptr)
+{
+	struct decode_cache *c = &ctxt->decode;
+	int df = (ctxt->eflags & EFLG_DF) ? -1 : 1;
+
+	register_address_increment(c, &c->regs[reg], df * c->src.bytes);
+	*ptr = (unsigned long *)register_address(c,  base, c->regs[reg]);
+}
+
 int
 x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 {
@@ -2754,89 +2782,16 @@ special_insn:
 		c->dst.val = (unsigned long)c->regs[VCPU_REGS_RAX];
 		break;
 	case 0xa4 ... 0xa5:	/* movs */
-		c->dst.type = OP_MEM;
-		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
-		c->dst.ptr = (unsigned long *)register_address(c,
-						   es_base(ctxt),
-						   c->regs[VCPU_REGS_RDI]);
-		rc = ops->read_emulated(register_address(c,
-						seg_override_base(ctxt, c),
-						c->regs[VCPU_REGS_RSI]),
-					&c->dst.val,
-					c->dst.bytes, ctxt->vcpu);
-		if (rc != X86EMUL_CONTINUE)
-			goto done;
-		register_address_increment(c, &c->regs[VCPU_REGS_RSI],
-				       (ctxt->eflags & EFLG_DF) ? -c->dst.bytes
-							   : c->dst.bytes);
-		register_address_increment(c, &c->regs[VCPU_REGS_RDI],
-				       (ctxt->eflags & EFLG_DF) ? -c->dst.bytes
-							   : c->dst.bytes);
-		break;
+		goto mov;
 	case 0xa6 ... 0xa7:	/* cmps */
-		c->src.type = OP_NONE; /* Disable writeback. */
-		c->src.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
-		c->src.ptr = (unsigned long *)register_address(c,
-				       seg_override_base(ctxt, c),
-						   c->regs[VCPU_REGS_RSI]);
-		rc = ops->read_emulated((unsigned long)c->src.ptr,
-					&c->src.val,
-					c->src.bytes,
-					ctxt->vcpu);
-		if (rc != X86EMUL_CONTINUE)
-			goto done;
-
 		c->dst.type = OP_NONE; /* Disable writeback. */
-		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
-		c->dst.ptr = (unsigned long *)register_address(c,
-						   es_base(ctxt),
-						   c->regs[VCPU_REGS_RDI]);
-		rc = ops->read_emulated((unsigned long)c->dst.ptr,
-					&c->dst.val,
-					c->dst.bytes,
-					ctxt->vcpu);
-		if (rc != X86EMUL_CONTINUE)
-			goto done;
-
 		DPRINTF("cmps: mem1=0x%p mem2=0x%p\n", c->src.ptr, c->dst.ptr);
-
-		emulate_2op_SrcV("cmp", c->src, c->dst, ctxt->eflags);
-
-		register_address_increment(c, &c->regs[VCPU_REGS_RSI],
-				       (ctxt->eflags & EFLG_DF) ? -c->src.bytes
-								  : c->src.bytes);
-		register_address_increment(c, &c->regs[VCPU_REGS_RDI],
-				       (ctxt->eflags & EFLG_DF) ? -c->dst.bytes
-								  : c->dst.bytes);
-
-		break;
+		goto cmp;
 	case 0xaa ... 0xab:	/* stos */
-		c->dst.type = OP_MEM;
-		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
-		c->dst.ptr = (unsigned long *)register_address(c,
-						   es_base(ctxt),
-						   c->regs[VCPU_REGS_RDI]);
 		c->dst.val = c->regs[VCPU_REGS_RAX];
-		register_address_increment(c, &c->regs[VCPU_REGS_RDI],
-				       (ctxt->eflags & EFLG_DF) ? -c->dst.bytes
-							   : c->dst.bytes);
 		break;
 	case 0xac ... 0xad:	/* lods */
-		c->dst.type = OP_REG;
-		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
-		c->dst.ptr = (unsigned long *)&c->regs[VCPU_REGS_RAX];
-		rc = ops->read_emulated(register_address(c,
-						seg_override_base(ctxt, c),
-						c->regs[VCPU_REGS_RSI]),
-					&c->dst.val,
-					c->dst.bytes,
-					ctxt->vcpu);
-		if (rc != X86EMUL_CONTINUE)
-			goto done;
-		register_address_increment(c, &c->regs[VCPU_REGS_RSI],
-				       (ctxt->eflags & EFLG_DF) ? -c->dst.bytes
-							   : c->dst.bytes);
-		break;
+		goto mov;
 	case 0xae ... 0xaf:	/* scas */
 		DPRINTF("Urk! I don't handle SCAS.\n");
 		goto cannot_emulate;
@@ -2979,6 +2934,14 @@ writeback:
 	if (rc != X86EMUL_CONTINUE)
 		goto done;
 
+	if ((c->d & SrcMask) == SrcSI)
+		string_addr_inc(ctxt, seg_override_base(ctxt, c), VCPU_REGS_RSI,
+				&c->src.ptr);
+
+	if ((c->d & DstMask) == DstDI)
+		string_addr_inc(ctxt, es_base(ctxt), VCPU_REGS_RDI,
+				&c->dst.ptr);
+
 	/* Commit shadow register state. */
 	memcpy(ctxt->vcpu->arch.regs, c->regs, sizeof c->regs);
 	kvm_rip_write(ctxt->vcpu, c->eip);

From d9271123a46011af26da680baeb7fdf67b498abf Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:22 +0200
Subject: [PATCH 1621/3638] KVM: x86 emulator: during rep emulation decrement
 ECX only if emulation succeeded

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 3b32270a20d..594574d8b9e 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2411,13 +2411,13 @@ int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
 }
 
 static void string_addr_inc(struct x86_emulate_ctxt *ctxt, unsigned long base,
-			    int reg, unsigned long **ptr)
+			    int reg, struct operand *op)
 {
 	struct decode_cache *c = &ctxt->decode;
 	int df = (ctxt->eflags & EFLG_DF) ? -1 : 1;
 
-	register_address_increment(c, &c->regs[reg], df * c->src.bytes);
-	*ptr = (unsigned long *)register_address(c,  base, c->regs[reg]);
+	register_address_increment(c, &c->regs[reg], df * op->bytes);
+	op->ptr = (unsigned long *)register_address(c,  base, c->regs[reg]);
 }
 
 int
@@ -2483,7 +2483,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 				goto done;
 			}
 		}
-		register_address_increment(c, &c->regs[VCPU_REGS_RCX], -1);
 		c->eip = ctxt->eip;
 	}
 
@@ -2936,11 +2935,13 @@ writeback:
 
 	if ((c->d & SrcMask) == SrcSI)
 		string_addr_inc(ctxt, seg_override_base(ctxt, c), VCPU_REGS_RSI,
-				&c->src.ptr);
+				&c->src);
 
 	if ((c->d & DstMask) == DstDI)
-		string_addr_inc(ctxt, es_base(ctxt), VCPU_REGS_RDI,
-				&c->dst.ptr);
+		string_addr_inc(ctxt, es_base(ctxt), VCPU_REGS_RDI, &c->dst);
+
+	if (c->rep_prefix && (c->d & String))
+		register_address_increment(c, &c->regs[VCPU_REGS_RCX], -1);
 
 	/* Commit shadow register state. */
 	memcpy(ctxt->vcpu->arch.regs, c->regs, sizeof c->regs);

From cf8f70bfe38b326bb80b10f76d6544f571040229 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:23 +0200
Subject: [PATCH 1622/3638] KVM: x86 emulator: fix in/out emulation.

in/out emulation is broken now. The breakage is different depending
on where IO device resides. If it is in userspace emulator reports
emulation failure since it incorrectly interprets kvm_emulate_pio()
return value. If IO device is in the kernel emulation of 'in' will do
nothing since kvm_emulate_pio() stores result directly into vcpu
registers, so emulator will overwrite result of emulation during
commit of shadowed register.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |   7 +
 arch/x86/include/asm/kvm_host.h    |   3 +-
 arch/x86/kvm/emulate.c             |  52 ++++---
 arch/x86/kvm/svm.c                 |  20 +--
 arch/x86/kvm/vmx.c                 |  20 ++-
 arch/x86/kvm/x86.c                 | 215 ++++++++++++++++++-----------
 6 files changed, 181 insertions(+), 136 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index bd469296f5e..679245c9a55 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -119,6 +119,13 @@ struct x86_emulate_ops {
 				const void *new,
 				unsigned int bytes,
 				struct kvm_vcpu *vcpu);
+
+	int (*pio_in_emulated)(int size, unsigned short port, void *val,
+			       unsigned int count, struct kvm_vcpu *vcpu);
+
+	int (*pio_out_emulated)(int size, unsigned short port, const void *val,
+				unsigned int count, struct kvm_vcpu *vcpu);
+
 	bool (*get_cached_descriptor)(struct desc_struct *desc,
 				      int seg, struct kvm_vcpu *vcpu);
 	void (*set_cached_descriptor)(struct desc_struct *desc,
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index b99cec1547c..776d3e202b5 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -590,8 +590,7 @@ int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
 
 struct x86_emulate_ctxt;
 
-int kvm_emulate_pio(struct kvm_vcpu *vcpu, int in,
-		     int size, unsigned port);
+int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port);
 int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
 			   int size, unsigned long count, int down,
 			    gva_t address, int rep, unsigned port);
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 594574d8b9e..2d095ce9dc8 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -210,13 +210,13 @@ static u32 opcode_table[256] = {
 	0, 0, 0, 0, 0, 0, 0, 0,
 	/* 0xE0 - 0xE7 */
 	0, 0, 0, 0,
-	ByteOp | SrcImmUByte, SrcImmUByte,
-	ByteOp | SrcImmUByte, SrcImmUByte,
+	ByteOp | SrcImmUByte | DstAcc, SrcImmUByte | DstAcc,
+	ByteOp | SrcImmUByte | DstAcc, SrcImmUByte | DstAcc,
 	/* 0xE8 - 0xEF */
 	SrcImm | Stack, SrcImm | ImplicitOps,
 	SrcImmU | Src2Imm16 | No64, SrcImmByte | ImplicitOps,
-	SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps,
-	SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps,
+	SrcNone | ByteOp | DstAcc, SrcNone | DstAcc,
+	SrcNone | ByteOp | DstAcc, SrcNone | DstAcc,
 	/* 0xF0 - 0xF7 */
 	0, 0, 0, 0,
 	ImplicitOps | Priv, ImplicitOps, Group | Group3_Byte, Group | Group3,
@@ -2426,8 +2426,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	u64 msr_data;
 	unsigned long saved_eip = 0;
 	struct decode_cache *c = &ctxt->decode;
-	unsigned int port;
-	int io_dir_in;
 	int rc = X86EMUL_CONTINUE;
 
 	ctxt->interruptibility = 0;
@@ -2823,14 +2821,10 @@ special_insn:
 		break;
 	case 0xe4: 	/* inb */
 	case 0xe5: 	/* in */
-		port = c->src.val;
-		io_dir_in = 1;
-		goto do_io;
+		goto do_io_in;
 	case 0xe6: /* outb */
 	case 0xe7: /* out */
-		port = c->src.val;
-		io_dir_in = 0;
-		goto do_io;
+		goto do_io_out;
 	case 0xe8: /* call (near) */ {
 		long int rel = c->src.val;
 		c->src.val = (unsigned long) c->eip;
@@ -2855,25 +2849,29 @@ special_insn:
 		break;
 	case 0xec: /* in al,dx */
 	case 0xed: /* in (e/r)ax,dx */
-		port = c->regs[VCPU_REGS_RDX];
-		io_dir_in = 1;
-		goto do_io;
-	case 0xee: /* out al,dx */
-	case 0xef: /* out (e/r)ax,dx */
-		port = c->regs[VCPU_REGS_RDX];
-		io_dir_in = 0;
-	do_io:
-		if (!emulator_io_permited(ctxt, ops, port,
-					  (c->d & ByteOp) ? 1 : c->op_bytes)) {
+		c->src.val = c->regs[VCPU_REGS_RDX];
+	do_io_in:
+		c->dst.bytes = min(c->dst.bytes, 4u);
+		if (!emulator_io_permited(ctxt, ops, c->src.val, c->dst.bytes)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
 			goto done;
 		}
-		if (kvm_emulate_pio(ctxt->vcpu, io_dir_in,
-				   (c->d & ByteOp) ? 1 : c->op_bytes,
-				   port) != 0) {
-			c->eip = saved_eip;
-			goto cannot_emulate;
+		if (!ops->pio_in_emulated(c->dst.bytes, c->src.val,
+					  &c->dst.val, 1, ctxt->vcpu))
+			goto done; /* IO is needed */
+		break;
+	case 0xee: /* out al,dx */
+	case 0xef: /* out (e/r)ax,dx */
+		c->src.val = c->regs[VCPU_REGS_RDX];
+	do_io_out:
+		c->dst.bytes = min(c->dst.bytes, 4u);
+		if (!emulator_io_permited(ctxt, ops, c->src.val, c->dst.bytes)) {
+			kvm_inject_gp(ctxt->vcpu, 0);
+			goto done;
 		}
+		ops->pio_out_emulated(c->dst.bytes, c->src.val, &c->dst.val, 1,
+				      ctxt->vcpu);
+		c->dst.type = OP_NONE;	/* Disable writeback. */
 		break;
 	case 0xf4:              /* hlt */
 		ctxt->vcpu->arch.halt_request = 1;
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index abbc3f9d03b..e9f79619e18 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1494,29 +1494,23 @@ static int shutdown_interception(struct vcpu_svm *svm)
 
 static int io_interception(struct vcpu_svm *svm)
 {
+	struct kvm_vcpu *vcpu = &svm->vcpu;
 	u32 io_info = svm->vmcb->control.exit_info_1; /* address size bug? */
 	int size, in, string;
 	unsigned port;
 
 	++svm->vcpu.stat.io_exits;
-
-	svm->next_rip = svm->vmcb->control.exit_info_2;
-
 	string = (io_info & SVM_IOIO_STR_MASK) != 0;
-
-	if (string) {
-		if (emulate_instruction(&svm->vcpu,
-					0, 0, 0) == EMULATE_DO_MMIO)
-			return 0;
-		return 1;
-	}
-
 	in = (io_info & SVM_IOIO_TYPE_MASK) != 0;
+	if (string || in)
+		return !(emulate_instruction(vcpu, 0, 0, 0) == EMULATE_DO_MMIO);
+
 	port = io_info >> 16;
 	size = (io_info & SVM_IOIO_SIZE_MASK) >> SVM_IOIO_SIZE_SHIFT;
-
+	svm->next_rip = svm->vmcb->control.exit_info_2;
 	skip_emulated_instruction(&svm->vcpu);
-	return kvm_emulate_pio(&svm->vcpu, in, size, port);
+
+	return kvm_fast_pio_out(vcpu, size, port);
 }
 
 static int nmi_interception(struct vcpu_svm *svm)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 87b3c6843aa..1cceca1c59b 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2985,22 +2985,20 @@ static int handle_io(struct kvm_vcpu *vcpu)
 	int size, in, string;
 	unsigned port;
 
-	++vcpu->stat.io_exits;
 	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
 	string = (exit_qualification & 16) != 0;
-
-	if (string) {
-		if (emulate_instruction(vcpu, 0, 0, 0) == EMULATE_DO_MMIO)
-			return 0;
-		return 1;
-	}
-
-	size = (exit_qualification & 7) + 1;
 	in = (exit_qualification & 8) != 0;
-	port = exit_qualification >> 16;
 
+	++vcpu->stat.io_exits;
+
+	if (string || in)
+		return !(emulate_instruction(vcpu, 0, 0, 0) == EMULATE_DO_MMIO);
+
+	port = exit_qualification >> 16;
+	size = (exit_qualification & 7) + 1;
 	skip_emulated_instruction(vcpu);
-	return kvm_emulate_pio(vcpu, in, size, port);
+
+	return kvm_fast_pio_out(vcpu, size, port);
 }
 
 static void
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f69854c8f33..6624ad13ee9 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3404,6 +3404,86 @@ emul_write:
 	return emulator_write_emulated(addr, new, bytes, vcpu);
 }
 
+static int kernel_pio(struct kvm_vcpu *vcpu, void *pd)
+{
+	/* TODO: String I/O for in kernel device */
+	int r;
+
+	if (vcpu->arch.pio.in)
+		r = kvm_io_bus_read(vcpu->kvm, KVM_PIO_BUS, vcpu->arch.pio.port,
+				    vcpu->arch.pio.size, pd);
+	else
+		r = kvm_io_bus_write(vcpu->kvm, KVM_PIO_BUS,
+				     vcpu->arch.pio.port, vcpu->arch.pio.size,
+				     pd);
+	return r;
+}
+
+
+static int emulator_pio_in_emulated(int size, unsigned short port, void *val,
+			     unsigned int count, struct kvm_vcpu *vcpu)
+{
+	if (vcpu->arch.pio.cur_count)
+		goto data_avail;
+
+	trace_kvm_pio(1, port, size, 1);
+
+	vcpu->arch.pio.port = port;
+	vcpu->arch.pio.in = 1;
+	vcpu->arch.pio.string = 0;
+	vcpu->arch.pio.down = 0;
+	vcpu->arch.pio.rep = 0;
+	vcpu->arch.pio.count = vcpu->arch.pio.cur_count = count;
+	vcpu->arch.pio.size = size;
+
+	if (!kernel_pio(vcpu, vcpu->arch.pio_data)) {
+	data_avail:
+		memcpy(val, vcpu->arch.pio_data, size * count);
+		vcpu->arch.pio.cur_count = 0;
+		return 1;
+	}
+
+	vcpu->run->exit_reason = KVM_EXIT_IO;
+	vcpu->run->io.direction = KVM_EXIT_IO_IN;
+	vcpu->run->io.size = size;
+	vcpu->run->io.data_offset = KVM_PIO_PAGE_OFFSET * PAGE_SIZE;
+	vcpu->run->io.count = count;
+	vcpu->run->io.port = port;
+
+	return 0;
+}
+
+static int emulator_pio_out_emulated(int size, unsigned short port,
+			      const void *val, unsigned int count,
+			      struct kvm_vcpu *vcpu)
+{
+	trace_kvm_pio(0, port, size, 1);
+
+	vcpu->arch.pio.port = port;
+	vcpu->arch.pio.in = 0;
+	vcpu->arch.pio.string = 0;
+	vcpu->arch.pio.down = 0;
+	vcpu->arch.pio.rep = 0;
+	vcpu->arch.pio.count = vcpu->arch.pio.cur_count = count;
+	vcpu->arch.pio.size = size;
+
+	memcpy(vcpu->arch.pio_data, val, size * count);
+
+	if (!kernel_pio(vcpu, vcpu->arch.pio_data)) {
+		vcpu->arch.pio.cur_count = 0;
+		return 1;
+	}
+
+	vcpu->run->exit_reason = KVM_EXIT_IO;
+	vcpu->run->io.direction = KVM_EXIT_IO_OUT;
+	vcpu->run->io.size = size;
+	vcpu->run->io.data_offset = KVM_PIO_PAGE_OFFSET * PAGE_SIZE;
+	vcpu->run->io.count = count;
+	vcpu->run->io.port = port;
+
+	return 0;
+}
+
 static unsigned long get_segment_base(struct kvm_vcpu *vcpu, int seg)
 {
 	return kvm_x86_ops->get_segment_base(vcpu, seg);
@@ -3597,6 +3677,8 @@ static struct x86_emulate_ops emulate_ops = {
 	.read_emulated       = emulator_read_emulated,
 	.write_emulated      = emulator_write_emulated,
 	.cmpxchg_emulated    = emulator_cmpxchg_emulated,
+	.pio_in_emulated     = emulator_pio_in_emulated,
+	.pio_out_emulated    = emulator_pio_out_emulated,
 	.get_cached_descriptor = emulator_get_cached_descriptor,
 	.set_cached_descriptor = emulator_set_cached_descriptor,
 	.get_segment_selector = emulator_get_segment_selector,
@@ -3704,6 +3786,12 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 	if (vcpu->arch.pio.string)
 		return EMULATE_DO_MMIO;
 
+	if (vcpu->arch.pio.cur_count && !vcpu->arch.pio.string) {
+		if (!vcpu->arch.pio.in)
+			vcpu->arch.pio.cur_count = 0;
+		return EMULATE_DO_MMIO;
+	}
+
 	if (r || vcpu->mmio_is_write) {
 		run->exit_reason = KVM_EXIT_MMIO;
 		run->mmio.phys_addr = vcpu->mmio_phys_addr;
@@ -3760,43 +3848,36 @@ int complete_pio(struct kvm_vcpu *vcpu)
 	int r;
 	unsigned long val;
 
-	if (!io->string) {
-		if (io->in) {
-			val = kvm_register_read(vcpu, VCPU_REGS_RAX);
-			memcpy(&val, vcpu->arch.pio_data, io->size);
-			kvm_register_write(vcpu, VCPU_REGS_RAX, val);
-		}
-	} else {
-		if (io->in) {
-			r = pio_copy_data(vcpu);
-			if (r)
-				goto out;
-		}
-
-		delta = 1;
-		if (io->rep) {
-			delta *= io->cur_count;
-			/*
-			 * The size of the register should really depend on
-			 * current address size.
-			 */
-			val = kvm_register_read(vcpu, VCPU_REGS_RCX);
-			val -= delta;
-			kvm_register_write(vcpu, VCPU_REGS_RCX, val);
-		}
-		if (io->down)
-			delta = -delta;
-		delta *= io->size;
-		if (io->in) {
-			val = kvm_register_read(vcpu, VCPU_REGS_RDI);
-			val += delta;
-			kvm_register_write(vcpu, VCPU_REGS_RDI, val);
-		} else {
-			val = kvm_register_read(vcpu, VCPU_REGS_RSI);
-			val += delta;
-			kvm_register_write(vcpu, VCPU_REGS_RSI, val);
-		}
+	if (io->in) {
+		r = pio_copy_data(vcpu);
+		if (r)
+			goto out;
 	}
+
+	delta = 1;
+	if (io->rep) {
+		delta *= io->cur_count;
+		/*
+		 * The size of the register should really depend on
+		 * current address size.
+		 */
+		val = kvm_register_read(vcpu, VCPU_REGS_RCX);
+		val -= delta;
+		kvm_register_write(vcpu, VCPU_REGS_RCX, val);
+	}
+	if (io->down)
+		delta = -delta;
+	delta *= io->size;
+	if (io->in) {
+		val = kvm_register_read(vcpu, VCPU_REGS_RDI);
+		val += delta;
+		kvm_register_write(vcpu, VCPU_REGS_RDI, val);
+	} else {
+		val = kvm_register_read(vcpu, VCPU_REGS_RSI);
+		val += delta;
+		kvm_register_write(vcpu, VCPU_REGS_RSI, val);
+	}
+
 out:
 	io->count -= io->cur_count;
 	io->cur_count = 0;
@@ -3804,21 +3885,6 @@ out:
 	return 0;
 }
 
-static int kernel_pio(struct kvm_vcpu *vcpu, void *pd)
-{
-	/* TODO: String I/O for in kernel device */
-	int r;
-
-	if (vcpu->arch.pio.in)
-		r = kvm_io_bus_read(vcpu->kvm, KVM_PIO_BUS, vcpu->arch.pio.port,
-				    vcpu->arch.pio.size, pd);
-	else
-		r = kvm_io_bus_write(vcpu->kvm, KVM_PIO_BUS,
-				     vcpu->arch.pio.port, vcpu->arch.pio.size,
-				     pd);
-	return r;
-}
-
 static int pio_string_write(struct kvm_vcpu *vcpu)
 {
 	struct kvm_pio_request *io = &vcpu->arch.pio;
@@ -3836,36 +3902,6 @@ static int pio_string_write(struct kvm_vcpu *vcpu)
 	return r;
 }
 
-int kvm_emulate_pio(struct kvm_vcpu *vcpu, int in, int size, unsigned port)
-{
-	unsigned long val;
-
-	trace_kvm_pio(!in, port, size, 1);
-
-	vcpu->run->exit_reason = KVM_EXIT_IO;
-	vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT;
-	vcpu->run->io.size = vcpu->arch.pio.size = size;
-	vcpu->run->io.data_offset = KVM_PIO_PAGE_OFFSET * PAGE_SIZE;
-	vcpu->run->io.count = vcpu->arch.pio.count = vcpu->arch.pio.cur_count = 1;
-	vcpu->run->io.port = vcpu->arch.pio.port = port;
-	vcpu->arch.pio.in = in;
-	vcpu->arch.pio.string = 0;
-	vcpu->arch.pio.down = 0;
-	vcpu->arch.pio.rep = 0;
-
-	if (!vcpu->arch.pio.in) {
-		val = kvm_register_read(vcpu, VCPU_REGS_RAX);
-		memcpy(vcpu->arch.pio_data, &val, 4);
-	}
-
-	if (!kernel_pio(vcpu, vcpu->arch.pio_data)) {
-		complete_pio(vcpu);
-		return 1;
-	}
-	return 0;
-}
-EXPORT_SYMBOL_GPL(kvm_emulate_pio);
-
 int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
 		  int size, unsigned long count, int down,
 		  gva_t address, int rep, unsigned port)
@@ -3931,6 +3967,16 @@ int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
 }
 EXPORT_SYMBOL_GPL(kvm_emulate_pio_string);
 
+int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port)
+{
+	unsigned long val = kvm_register_read(vcpu, VCPU_REGS_RAX);
+	int ret = emulator_pio_out_emulated(size, port, &val, 1, vcpu);
+	/* do not return to emulator after return from userspace */
+	vcpu->arch.pio.cur_count = 0;
+	return ret;
+}
+EXPORT_SYMBOL_GPL(kvm_fast_pio_out);
+
 static void bounce_off(void *info)
 {
 	/* nothing */
@@ -4661,9 +4707,12 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 
 	if (vcpu->arch.pio.cur_count) {
 		vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
-		r = complete_pio(vcpu);
+		if (!vcpu->arch.pio.string)
+			r = emulate_instruction(vcpu, 0, 0, EMULTYPE_NO_DECODE);
+		else
+			r = complete_pio(vcpu);
 		srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
-		if (r)
+		if (r == EMULATE_DO_MMIO)
 			goto out;
 	}
 	if (vcpu->mmio_needed) {

From 7972995b0c346de76fe260ce0fd6bcc8ffab724a Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:24 +0200
Subject: [PATCH 1623/3638] KVM: x86 emulator: Move string pio emulation into
 emulator.c

Currently emulation is done outside of emulator so things like doing
ins/outs to/from mmio are broken it also makes it hard (if not impossible)
to implement single stepping in the future. The implementation in this
patch is not efficient since it exits to userspace for each IO while
previous implementation did 'ins' in batches. Further patch that
implements pio in string read ahead address this problem.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h |   8 --
 arch/x86/kvm/emulate.c          |  48 +++-----
 arch/x86/kvm/x86.c              | 206 +++-----------------------------
 3 files changed, 32 insertions(+), 230 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 776d3e202b5..26c629a062d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -224,14 +224,9 @@ struct kvm_pv_mmu_op_buffer {
 
 struct kvm_pio_request {
 	unsigned long count;
-	int cur_count;
-	gva_t guest_gva;
 	int in;
 	int port;
 	int size;
-	int string;
-	int down;
-	int rep;
 };
 
 /*
@@ -591,9 +586,6 @@ int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
 struct x86_emulate_ctxt;
 
 int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port);
-int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
-			   int size, unsigned long count, int down,
-			    gva_t address, int rep, unsigned port);
 void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
 int kvm_emulate_halt(struct kvm_vcpu *vcpu);
 int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address);
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 2d095ce9dc8..2c66e097d91 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -153,8 +153,8 @@ static u32 opcode_table[256] = {
 	0, 0, 0, 0,
 	/* 0x68 - 0x6F */
 	SrcImm | Mov | Stack, 0, SrcImmByte | Mov | Stack, 0,
-	SrcNone  | ByteOp  | ImplicitOps, SrcNone  | ImplicitOps, /* insb, insw/insd */
-	SrcNone  | ByteOp  | ImplicitOps, SrcNone  | ImplicitOps, /* outsb, outsw/outsd */
+	DstDI | ByteOp | Mov | String, DstDI | Mov | String, /* insb, insw/insd */
+	SrcSI | ByteOp | ImplicitOps | String, SrcSI | ImplicitOps | String, /* outsb, outsw/outsd */
 	/* 0x70 - 0x77 */
 	SrcImmByte, SrcImmByte, SrcImmByte, SrcImmByte,
 	SrcImmByte, SrcImmByte, SrcImmByte, SrcImmByte,
@@ -2615,47 +2615,29 @@ special_insn:
 		break;
 	case 0x6c:		/* insb */
 	case 0x6d:		/* insw/insd */
+		c->dst.bytes = min(c->dst.bytes, 4u);
 		if (!emulator_io_permited(ctxt, ops, c->regs[VCPU_REGS_RDX],
-					  (c->d & ByteOp) ? 1 : c->op_bytes)) {
+					  c->dst.bytes)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
 			goto done;
 		}
-		if (kvm_emulate_pio_string(ctxt->vcpu,
-				1,
-				(c->d & ByteOp) ? 1 : c->op_bytes,
-				c->rep_prefix ?
-				address_mask(c, c->regs[VCPU_REGS_RCX]) : 1,
-				(ctxt->eflags & EFLG_DF),
-				register_address(c, es_base(ctxt),
-						 c->regs[VCPU_REGS_RDI]),
-				c->rep_prefix,
-				c->regs[VCPU_REGS_RDX]) == 0) {
-			c->eip = saved_eip;
-			return -1;
-		}
-		return 0;
+		if (!ops->pio_in_emulated(c->dst.bytes, c->regs[VCPU_REGS_RDX],
+					  &c->dst.val, 1, ctxt->vcpu))
+			goto done; /* IO is needed, skip writeback */
+		break;
 	case 0x6e:		/* outsb */
 	case 0x6f:		/* outsw/outsd */
+		c->src.bytes = min(c->src.bytes, 4u);
 		if (!emulator_io_permited(ctxt, ops, c->regs[VCPU_REGS_RDX],
-					  (c->d & ByteOp) ? 1 : c->op_bytes)) {
+					  c->src.bytes)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
 			goto done;
 		}
-		if (kvm_emulate_pio_string(ctxt->vcpu,
-				0,
-				(c->d & ByteOp) ? 1 : c->op_bytes,
-				c->rep_prefix ?
-				address_mask(c, c->regs[VCPU_REGS_RCX]) : 1,
-				(ctxt->eflags & EFLG_DF),
-					 register_address(c,
-					  seg_override_base(ctxt, c),
-						 c->regs[VCPU_REGS_RSI]),
-				c->rep_prefix,
-				c->regs[VCPU_REGS_RDX]) == 0) {
-			c->eip = saved_eip;
-			return -1;
-		}
-		return 0;
+		ops->pio_out_emulated(c->src.bytes, c->regs[VCPU_REGS_RDX],
+				      &c->src.val, 1, ctxt->vcpu);
+
+		c->dst.type = OP_NONE; /* nothing to writeback */
+		break;
 	case 0x70 ... 0x7f: /* jcc (short) */
 		if (test_cc(c->b, ctxt->eflags))
 			jmp_rel(c, c->src.val);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6624ad13ee9..658e8e8155c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3150,18 +3150,17 @@ static int kvm_read_guest_virt_system(gva_t addr, void *val, unsigned int bytes,
 	return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, 0, error);
 }
 
-static int kvm_write_guest_virt_helper(gva_t addr, void *val,
+static int kvm_write_guest_virt_system(gva_t addr, void *val,
 				       unsigned int bytes,
-				       struct kvm_vcpu *vcpu, u32 access,
+				       struct kvm_vcpu *vcpu,
 				       u32 *error)
 {
 	void *data = val;
 	int r = X86EMUL_CONTINUE;
 
-	access |= PFERR_WRITE_MASK;
-
 	while (bytes) {
-		gpa_t gpa =  vcpu->arch.mmu.gva_to_gpa(vcpu, addr, access, error);
+		gpa_t gpa =  vcpu->arch.mmu.gva_to_gpa(vcpu, addr,
+						       PFERR_WRITE_MASK, error);
 		unsigned offset = addr & (PAGE_SIZE-1);
 		unsigned towrite = min(bytes, (unsigned)PAGE_SIZE - offset);
 		int ret;
@@ -3184,20 +3183,6 @@ out:
 	return r;
 }
 
-static int kvm_write_guest_virt(gva_t addr, void *val, unsigned int bytes,
-				struct kvm_vcpu *vcpu, u32 *error)
-{
-	u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;
-	return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, access, error);
-}
-
-static int kvm_write_guest_virt_system(gva_t addr, void *val,
-				       unsigned int bytes,
-				       struct kvm_vcpu *vcpu, u32 *error)
-{
-	return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, 0, error);
-}
-
 static int emulator_read_emulated(unsigned long addr,
 				  void *val,
 				  unsigned int bytes,
@@ -3423,23 +3408,20 @@ static int kernel_pio(struct kvm_vcpu *vcpu, void *pd)
 static int emulator_pio_in_emulated(int size, unsigned short port, void *val,
 			     unsigned int count, struct kvm_vcpu *vcpu)
 {
-	if (vcpu->arch.pio.cur_count)
+	if (vcpu->arch.pio.count)
 		goto data_avail;
 
 	trace_kvm_pio(1, port, size, 1);
 
 	vcpu->arch.pio.port = port;
 	vcpu->arch.pio.in = 1;
-	vcpu->arch.pio.string = 0;
-	vcpu->arch.pio.down = 0;
-	vcpu->arch.pio.rep = 0;
-	vcpu->arch.pio.count = vcpu->arch.pio.cur_count = count;
+	vcpu->arch.pio.count  = count;
 	vcpu->arch.pio.size = size;
 
 	if (!kernel_pio(vcpu, vcpu->arch.pio_data)) {
 	data_avail:
 		memcpy(val, vcpu->arch.pio_data, size * count);
-		vcpu->arch.pio.cur_count = 0;
+		vcpu->arch.pio.count = 0;
 		return 1;
 	}
 
@@ -3461,16 +3443,13 @@ static int emulator_pio_out_emulated(int size, unsigned short port,
 
 	vcpu->arch.pio.port = port;
 	vcpu->arch.pio.in = 0;
-	vcpu->arch.pio.string = 0;
-	vcpu->arch.pio.down = 0;
-	vcpu->arch.pio.rep = 0;
-	vcpu->arch.pio.count = vcpu->arch.pio.cur_count = count;
+	vcpu->arch.pio.count = count;
 	vcpu->arch.pio.size = size;
 
 	memcpy(vcpu->arch.pio_data, val, size * count);
 
 	if (!kernel_pio(vcpu, vcpu->arch.pio_data)) {
-		vcpu->arch.pio.cur_count = 0;
+		vcpu->arch.pio.count = 0;
 		return 1;
 	}
 
@@ -3717,7 +3696,6 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 	cache_all_regs(vcpu);
 
 	vcpu->mmio_is_write = 0;
-	vcpu->arch.pio.string = 0;
 
 	if (!(emulation_type & EMULTYPE_NO_DECODE)) {
 		int cs_db, cs_l;
@@ -3783,12 +3761,9 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 	if (r == 0)
 		kvm_x86_ops->set_interrupt_shadow(vcpu, shadow_mask);
 
-	if (vcpu->arch.pio.string)
-		return EMULATE_DO_MMIO;
-
-	if (vcpu->arch.pio.cur_count && !vcpu->arch.pio.string) {
+	if (vcpu->arch.pio.count) {
 		if (!vcpu->arch.pio.in)
-			vcpu->arch.pio.cur_count = 0;
+			vcpu->arch.pio.count = 0;
 		return EMULATE_DO_MMIO;
 	}
 
@@ -3821,158 +3796,12 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 }
 EXPORT_SYMBOL_GPL(emulate_instruction);
 
-static int pio_copy_data(struct kvm_vcpu *vcpu)
-{
-	void *p = vcpu->arch.pio_data;
-	gva_t q = vcpu->arch.pio.guest_gva;
-	unsigned bytes;
-	int ret;
-	u32 error_code;
-
-	bytes = vcpu->arch.pio.size * vcpu->arch.pio.cur_count;
-	if (vcpu->arch.pio.in)
-		ret = kvm_write_guest_virt(q, p, bytes, vcpu, &error_code);
-	else
-		ret = kvm_read_guest_virt(q, p, bytes, vcpu, &error_code);
-
-	if (ret == X86EMUL_PROPAGATE_FAULT)
-		kvm_inject_page_fault(vcpu, q, error_code);
-
-	return ret;
-}
-
-int complete_pio(struct kvm_vcpu *vcpu)
-{
-	struct kvm_pio_request *io = &vcpu->arch.pio;
-	long delta;
-	int r;
-	unsigned long val;
-
-	if (io->in) {
-		r = pio_copy_data(vcpu);
-		if (r)
-			goto out;
-	}
-
-	delta = 1;
-	if (io->rep) {
-		delta *= io->cur_count;
-		/*
-		 * The size of the register should really depend on
-		 * current address size.
-		 */
-		val = kvm_register_read(vcpu, VCPU_REGS_RCX);
-		val -= delta;
-		kvm_register_write(vcpu, VCPU_REGS_RCX, val);
-	}
-	if (io->down)
-		delta = -delta;
-	delta *= io->size;
-	if (io->in) {
-		val = kvm_register_read(vcpu, VCPU_REGS_RDI);
-		val += delta;
-		kvm_register_write(vcpu, VCPU_REGS_RDI, val);
-	} else {
-		val = kvm_register_read(vcpu, VCPU_REGS_RSI);
-		val += delta;
-		kvm_register_write(vcpu, VCPU_REGS_RSI, val);
-	}
-
-out:
-	io->count -= io->cur_count;
-	io->cur_count = 0;
-
-	return 0;
-}
-
-static int pio_string_write(struct kvm_vcpu *vcpu)
-{
-	struct kvm_pio_request *io = &vcpu->arch.pio;
-	void *pd = vcpu->arch.pio_data;
-	int i, r = 0;
-
-	for (i = 0; i < io->cur_count; i++) {
-		if (kvm_io_bus_write(vcpu->kvm, KVM_PIO_BUS,
-				     io->port, io->size, pd)) {
-			r = -EOPNOTSUPP;
-			break;
-		}
-		pd += io->size;
-	}
-	return r;
-}
-
-int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
-		  int size, unsigned long count, int down,
-		  gva_t address, int rep, unsigned port)
-{
-	unsigned now, in_page;
-	int ret = 0;
-
-	trace_kvm_pio(!in, port, size, count);
-
-	vcpu->run->exit_reason = KVM_EXIT_IO;
-	vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT;
-	vcpu->run->io.size = vcpu->arch.pio.size = size;
-	vcpu->run->io.data_offset = KVM_PIO_PAGE_OFFSET * PAGE_SIZE;
-	vcpu->run->io.count = vcpu->arch.pio.count = vcpu->arch.pio.cur_count = count;
-	vcpu->run->io.port = vcpu->arch.pio.port = port;
-	vcpu->arch.pio.in = in;
-	vcpu->arch.pio.string = 1;
-	vcpu->arch.pio.down = down;
-	vcpu->arch.pio.rep = rep;
-
-	if (!count) {
-		kvm_x86_ops->skip_emulated_instruction(vcpu);
-		return 1;
-	}
-
-	if (!down)
-		in_page = PAGE_SIZE - offset_in_page(address);
-	else
-		in_page = offset_in_page(address) + size;
-	now = min(count, (unsigned long)in_page / size);
-	if (!now)
-		now = 1;
-	if (down) {
-		/*
-		 * String I/O in reverse.  Yuck.  Kill the guest, fix later.
-		 */
-		pr_unimpl(vcpu, "guest string pio down\n");
-		kvm_inject_gp(vcpu, 0);
-		return 1;
-	}
-	vcpu->run->io.count = now;
-	vcpu->arch.pio.cur_count = now;
-
-	if (vcpu->arch.pio.cur_count == vcpu->arch.pio.count)
-		kvm_x86_ops->skip_emulated_instruction(vcpu);
-
-	vcpu->arch.pio.guest_gva = address;
-
-	if (!vcpu->arch.pio.in) {
-		/* string PIO write */
-		ret = pio_copy_data(vcpu);
-		if (ret == X86EMUL_PROPAGATE_FAULT)
-			return 1;
-		if (ret == 0 && !pio_string_write(vcpu)) {
-			complete_pio(vcpu);
-			if (vcpu->arch.pio.count == 0)
-				ret = 1;
-		}
-	}
-	/* no string PIO read support yet */
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(kvm_emulate_pio_string);
-
 int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port)
 {
 	unsigned long val = kvm_register_read(vcpu, VCPU_REGS_RAX);
 	int ret = emulator_pio_out_emulated(size, port, &val, 1, vcpu);
 	/* do not return to emulator after return from userspace */
-	vcpu->arch.pio.cur_count = 0;
+	vcpu->arch.pio.count = 0;
 	return ret;
 }
 EXPORT_SYMBOL_GPL(kvm_fast_pio_out);
@@ -4705,15 +4534,14 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 	if (!irqchip_in_kernel(vcpu->kvm))
 		kvm_set_cr8(vcpu, kvm_run->cr8);
 
-	if (vcpu->arch.pio.cur_count) {
+	if (vcpu->arch.pio.count) {
 		vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
-		if (!vcpu->arch.pio.string)
-			r = emulate_instruction(vcpu, 0, 0, EMULTYPE_NO_DECODE);
-		else
-			r = complete_pio(vcpu);
+		r = emulate_instruction(vcpu, 0, 0, EMULTYPE_NO_DECODE);
 		srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
-		if (r == EMULATE_DO_MMIO)
+		if (r == EMULATE_DO_MMIO) {
+			r = 0;
 			goto out;
+		}
 	}
 	if (vcpu->mmio_needed) {
 		memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8);

From cb404fe0898779ec5fe5e06e90aaddcf40aefad8 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:25 +0200
Subject: [PATCH 1624/3638] KVM: x86 emulator: remove saved_eip

c->eip is never written back in case of emulation failure, so no need to
set it to old value.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 2c66e097d91..0579d9dd9aa 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2424,7 +2424,6 @@ int
 x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 {
 	u64 msr_data;
-	unsigned long saved_eip = 0;
 	struct decode_cache *c = &ctxt->decode;
 	int rc = X86EMUL_CONTINUE;
 
@@ -2436,7 +2435,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	 */
 
 	memcpy(c->regs, ctxt->vcpu->arch.regs, sizeof c->regs);
-	saved_eip = c->eip;
 
 	if (ctxt->mode == X86EMUL_MODE_PROT64 && (c->d & No64)) {
 		kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
@@ -2928,11 +2926,7 @@ writeback:
 	kvm_rip_write(ctxt->vcpu, c->eip);
 
 done:
-	if (rc == X86EMUL_UNHANDLEABLE) {
-		c->eip = saved_eip;
-		return -1;
-	}
-	return 0;
+	return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0;
 
 twobyte_insn:
 	switch (c->b) {
@@ -3209,6 +3203,5 @@ twobyte_insn:
 
 cannot_emulate:
 	DPRINTF("Cannot emulate %02x\n", c->b);
-	c->eip = saved_eip;
 	return -1;
 }

From 5cd21917da245fbe98bd443de2c7f519b3df6814 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:26 +0200
Subject: [PATCH 1625/3638] KVM: x86 emulator: restart string instruction
 without going back to a guest.

Currently when string instruction is only partially complete we go back
to a guest mode, guest tries to reexecute instruction and exits again
and at this point emulation continues. Avoid all of this by restarting
instruction without going back to a guest mode, but return to a guest
mode each 1024 iterations to allow interrupt injection. Pending
exception causes immediate guest entry too.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |  1 +
 arch/x86/kvm/emulate.c             | 34 ++++++++++++++++++++----------
 arch/x86/kvm/x86.c                 | 19 ++++++++++++++++-
 3 files changed, 42 insertions(+), 12 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 679245c9a55..7fda16f89cc 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -193,6 +193,7 @@ struct x86_emulate_ctxt {
 	/* interruptibility state, as a result of execution of STI or MOV SS */
 	int interruptibility;
 
+	bool restart; /* restart string instruction after writeback */
 	/* decode cache */
 	struct decode_cache decode;
 };
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 0579d9dd9aa..6de6ad1610d 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -927,8 +927,11 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	int mode = ctxt->mode;
 	int def_op_bytes, def_ad_bytes, group;
 
-	/* Shadow copy of register state. Committed on successful emulation. */
 
+	/* we cannot decode insn before we complete previous rep insn */
+	WARN_ON(ctxt->restart);
+
+	/* Shadow copy of register state. Committed on successful emulation. */
 	memset(c, 0, sizeof(struct decode_cache));
 	c->eip = ctxt->eip;
 	ctxt->cs_base = seg_base(ctxt, VCPU_SREG_CS);
@@ -2426,6 +2429,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	u64 msr_data;
 	struct decode_cache *c = &ctxt->decode;
 	int rc = X86EMUL_CONTINUE;
+	int saved_dst_type = c->dst.type;
 
 	ctxt->interruptibility = 0;
 
@@ -2454,8 +2458,11 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	}
 
 	if (c->rep_prefix && (c->d & String)) {
+		ctxt->restart = true;
 		/* All REP prefixes have the same first termination condition */
 		if (address_mask(c, c->regs[VCPU_REGS_RCX]) == 0) {
+		string_done:
+			ctxt->restart = false;
 			kvm_rip_write(ctxt->vcpu, c->eip);
 			goto done;
 		}
@@ -2467,17 +2474,13 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 		 * 	- if REPNE/REPNZ and ZF = 1 then done
 		 */
 		if ((c->b == 0xa6) || (c->b == 0xa7) ||
-				(c->b == 0xae) || (c->b == 0xaf)) {
+		    (c->b == 0xae) || (c->b == 0xaf)) {
 			if ((c->rep_prefix == REPE_PREFIX) &&
-				((ctxt->eflags & EFLG_ZF) == 0)) {
-					kvm_rip_write(ctxt->vcpu, c->eip);
-					goto done;
-			}
+			    ((ctxt->eflags & EFLG_ZF) == 0))
+				goto string_done;
 			if ((c->rep_prefix == REPNE_PREFIX) &&
-				((ctxt->eflags & EFLG_ZF) == EFLG_ZF)) {
-				kvm_rip_write(ctxt->vcpu, c->eip);
-				goto done;
-			}
+			    ((ctxt->eflags & EFLG_ZF) == EFLG_ZF))
+				goto string_done;
 		}
 		c->eip = ctxt->eip;
 	}
@@ -2911,6 +2914,12 @@ writeback:
 	if (rc != X86EMUL_CONTINUE)
 		goto done;
 
+	/*
+	 * restore dst type in case the decoding will be reused
+	 * (happens for string instruction )
+	 */
+	c->dst.type = saved_dst_type;
+
 	if ((c->d & SrcMask) == SrcSI)
 		string_addr_inc(ctxt, seg_override_base(ctxt, c), VCPU_REGS_RSI,
 				&c->src);
@@ -2918,8 +2927,11 @@ writeback:
 	if ((c->d & DstMask) == DstDI)
 		string_addr_inc(ctxt, es_base(ctxt), VCPU_REGS_RDI, &c->dst);
 
-	if (c->rep_prefix && (c->d & String))
+	if (c->rep_prefix && (c->d & String)) {
 		register_address_increment(c, &c->regs[VCPU_REGS_RCX], -1);
+		if (!(c->regs[VCPU_REGS_RCX] & 0x3ff))
+			ctxt->restart = false;
+	}
 
 	/* Commit shadow register state. */
 	memcpy(ctxt->vcpu->arch.regs, c->regs, sizeof c->regs);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 658e8e8155c..c88cb814528 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3755,6 +3755,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 		return EMULATE_DONE;
 	}
 
+restart:
 	r = x86_emulate_insn(&vcpu->arch.emulate_ctxt, &emulate_ops);
 	shadow_mask = vcpu->arch.emulate_ctxt.interruptibility;
 
@@ -3777,7 +3778,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 
 	if (r) {
 		if (kvm_mmu_unprotect_page_virt(vcpu, cr2))
-			return EMULATE_DONE;
+			goto done;
 		if (!vcpu->mmio_needed) {
 			kvm_report_emulation_failure(vcpu, "mmio");
 			return EMULATE_FAIL;
@@ -3792,6 +3793,13 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 		return EMULATE_DO_MMIO;
 	}
 
+done:
+	if (vcpu->arch.exception.pending)
+		vcpu->arch.emulate_ctxt.restart = false;
+
+	if (vcpu->arch.emulate_ctxt.restart)
+		goto restart;
+
 	return EMULATE_DONE;
 }
 EXPORT_SYMBOL_GPL(emulate_instruction);
@@ -4560,6 +4568,15 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 			goto out;
 		}
 	}
+	if (vcpu->arch.emulate_ctxt.restart) {
+		vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
+		r = emulate_instruction(vcpu, 0, 0, EMULTYPE_NO_DECODE);
+		srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
+		if (r == EMULATE_DO_MMIO) {
+			r = 0;
+			goto out;
+		}
+	}
 	if (kvm_run->exit_reason == KVM_EXIT_HYPERCALL)
 		kvm_register_write(vcpu, VCPU_REGS_RAX,
 				     kvm_run->hypercall.ret);

From 7b262e90fc20a49fddf3dad94c8cead1f0439751 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:27 +0200
Subject: [PATCH 1626/3638] KVM: x86 emulator: introduce pio in string read
 ahead.

To optimize "rep ins" instruction do IO in big chunks ahead of time
instead of doing it only when required during instruction emulation.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |  7 +++++
 arch/x86/kvm/emulate.c             | 46 ++++++++++++++++++++++++++----
 2 files changed, 48 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 7fda16f89cc..b5e12c58386 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -151,6 +151,12 @@ struct fetch_cache {
 	unsigned long end;
 };
 
+struct read_cache {
+	u8 data[1024];
+	unsigned long pos;
+	unsigned long end;
+};
+
 struct decode_cache {
 	u8 twobyte;
 	u8 b;
@@ -178,6 +184,7 @@ struct decode_cache {
 	void *modrm_ptr;
 	unsigned long modrm_val;
 	struct fetch_cache fetch;
+	struct read_cache io_read;
 };
 
 struct x86_emulate_ctxt {
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 6de6ad1610d..ab3fff5bf7c 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1257,6 +1257,36 @@ done:
 	return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0;
 }
 
+static int pio_in_emulated(struct x86_emulate_ctxt *ctxt,
+			   struct x86_emulate_ops *ops,
+			   unsigned int size, unsigned short port,
+			   void *dest)
+{
+	struct read_cache *rc = &ctxt->decode.io_read;
+
+	if (rc->pos == rc->end) { /* refill pio read ahead */
+		struct decode_cache *c = &ctxt->decode;
+		unsigned int in_page, n;
+		unsigned int count = c->rep_prefix ?
+			address_mask(c, c->regs[VCPU_REGS_RCX]) : 1;
+		in_page = (ctxt->eflags & EFLG_DF) ?
+			offset_in_page(c->regs[VCPU_REGS_RDI]) :
+			PAGE_SIZE - offset_in_page(c->regs[VCPU_REGS_RDI]);
+		n = min(min(in_page, (unsigned int)sizeof(rc->data)) / size,
+			count);
+		if (n == 0)
+			n = 1;
+		rc->pos = rc->end = 0;
+		if (!ops->pio_in_emulated(size, port, rc->data, n, ctxt->vcpu))
+			return 0;
+		rc->end = n * size;
+	}
+
+	memcpy(dest, rc->data + rc->pos, size);
+	rc->pos += size;
+	return 1;
+}
+
 static u32 desc_limit_scaled(struct desc_struct *desc)
 {
 	u32 limit = get_desc_limit(desc);
@@ -2622,8 +2652,8 @@ special_insn:
 			kvm_inject_gp(ctxt->vcpu, 0);
 			goto done;
 		}
-		if (!ops->pio_in_emulated(c->dst.bytes, c->regs[VCPU_REGS_RDX],
-					  &c->dst.val, 1, ctxt->vcpu))
+		if (!pio_in_emulated(ctxt, ops, c->dst.bytes,
+				     c->regs[VCPU_REGS_RDX], &c->dst.val))
 			goto done; /* IO is needed, skip writeback */
 		break;
 	case 0x6e:		/* outsb */
@@ -2839,8 +2869,8 @@ special_insn:
 			kvm_inject_gp(ctxt->vcpu, 0);
 			goto done;
 		}
-		if (!ops->pio_in_emulated(c->dst.bytes, c->src.val,
-					  &c->dst.val, 1, ctxt->vcpu))
+		if (!pio_in_emulated(ctxt, ops, c->dst.bytes, c->src.val,
+				     &c->dst.val))
 			goto done; /* IO is needed */
 		break;
 	case 0xee: /* out al,dx */
@@ -2928,8 +2958,14 @@ writeback:
 		string_addr_inc(ctxt, es_base(ctxt), VCPU_REGS_RDI, &c->dst);
 
 	if (c->rep_prefix && (c->d & String)) {
+		struct read_cache *rc = &ctxt->decode.io_read;
 		register_address_increment(c, &c->regs[VCPU_REGS_RCX], -1);
-		if (!(c->regs[VCPU_REGS_RCX] & 0x3ff))
+		/*
+		 * Re-enter guest when pio read ahead buffer is empty or,
+		 * if it is not used, after each 1024 iteration.
+		 */
+		if ((rc->end == 0 && !(c->regs[VCPU_REGS_RCX] & 0x3ff)) ||
+		    (rc->end != 0 && rc->end == rc->pos))
 			ctxt->restart = false;
 	}
 

From 92bf9748b5bc381070f6adf0b56efd3428e4a97b Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 18 Mar 2010 15:20:28 +0200
Subject: [PATCH 1627/3638] KVM: small kvm_arch_vcpu_ioctl_run() cleanup.

Unify all conditions that get us back into emulator after returning from
userspace.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 32 ++++++--------------------------
 1 file changed, 6 insertions(+), 26 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c88cb814528..cc540f27053 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4542,33 +4542,13 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 	if (!irqchip_in_kernel(vcpu->kvm))
 		kvm_set_cr8(vcpu, kvm_run->cr8);
 
-	if (vcpu->arch.pio.count) {
-		vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
-		r = emulate_instruction(vcpu, 0, 0, EMULTYPE_NO_DECODE);
-		srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
-		if (r == EMULATE_DO_MMIO) {
-			r = 0;
-			goto out;
+	if (vcpu->arch.pio.count || vcpu->mmio_needed ||
+	    vcpu->arch.emulate_ctxt.restart) {
+		if (vcpu->mmio_needed) {
+			memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8);
+			vcpu->mmio_read_completed = 1;
+			vcpu->mmio_needed = 0;
 		}
-	}
-	if (vcpu->mmio_needed) {
-		memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8);
-		vcpu->mmio_read_completed = 1;
-		vcpu->mmio_needed = 0;
-
-		vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
-		r = emulate_instruction(vcpu, vcpu->arch.mmio_fault_cr2, 0,
-					EMULTYPE_NO_DECODE);
-		srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
-		if (r == EMULATE_DO_MMIO) {
-			/*
-			 * Read-modify-write.  Back to userspace.
-			 */
-			r = 0;
-			goto out;
-		}
-	}
-	if (vcpu->arch.emulate_ctxt.restart) {
 		vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
 		r = emulate_instruction(vcpu, 0, 0, EMULTYPE_NO_DECODE);
 		srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);

From 9749a6c0f0a4f88ae7bad4f65d7da32769e9b2b7 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@web.de>
Date: Sat, 20 Mar 2010 10:14:13 +0100
Subject: [PATCH 1628/3638] KVM: x86: Fix 32-bit build breakage due to typo

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index cc540f27053..b4d3363b78e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3328,7 +3328,7 @@ EXPORT_SYMBOL_GPL(emulator_write_emulated);
 #  define CMPXCHG64(ptr, old, new) CMPXCHG_TYPE(u64, ptr, old, new)
 #else
 #  define CMPXCHG64(ptr, old, new) \
-	(cmpxchg64((u64 *)(ptr), *(u64 *)(old), *(u *)(new)) == *(u64 *)(old))
+	(cmpxchg64((u64 *)(ptr), *(u64 *)(old), *(u64 *)(new)) == *(u64 *)(old))
 #endif
 
 static int emulator_cmpxchg_emulated(unsigned long addr,

From 482ac18ae293a3a0b1e1eea95c10dcc9ceeb4708 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Sun, 21 Mar 2010 13:08:20 +0200
Subject: [PATCH 1629/3638] KVM: x86 emulator: commit rflags as part of
 registers commit

Make sure that rflags is committed only after successful instruction
emulation.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h | 1 +
 arch/x86/kvm/emulate.c             | 1 +
 arch/x86/kvm/x86.c                 | 8 ++++++--
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index b5e12c58386..a1319c82050 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -136,6 +136,7 @@ struct x86_emulate_ops {
 	ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
 	void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
 	int (*cpl)(struct kvm_vcpu *vcpu);
+	void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
 };
 
 /* Type, address-of, and value of an instruction's operand. */
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index ab3fff5bf7c..48de4b89005 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2972,6 +2972,7 @@ writeback:
 	/* Commit shadow register state. */
 	memcpy(ctxt->vcpu->arch.regs, c->regs, sizeof c->regs);
 	kvm_rip_write(ctxt->vcpu, c->eip);
+	ops->set_rflags(ctxt->vcpu, ctxt->eflags);
 
 done:
 	return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b4d3363b78e..247e805a041 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3649,6 +3649,11 @@ static void emulator_set_segment_selector(u16 sel, int seg,
 	kvm_set_segment(vcpu, &kvm_seg, seg);
 }
 
+static void emulator_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
+{
+	kvm_x86_ops->set_rflags(vcpu, rflags);
+}
+
 static struct x86_emulate_ops emulate_ops = {
 	.read_std            = kvm_read_guest_virt_system,
 	.write_std           = kvm_write_guest_virt_system,
@@ -3666,6 +3671,7 @@ static struct x86_emulate_ops emulate_ops = {
 	.get_cr              = emulator_get_cr,
 	.set_cr              = emulator_set_cr,
 	.cpl                 = emulator_get_cpl,
+	.set_rflags          = emulator_set_rflags,
 };
 
 static void cache_all_regs(struct kvm_vcpu *vcpu)
@@ -3786,8 +3792,6 @@ restart:
 		return EMULATE_DO_MMIO;
 	}
 
-	kvm_x86_ops->set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags);
-
 	if (vcpu->mmio_is_write) {
 		vcpu->mmio_needed = 0;
 		return EMULATE_DO_MMIO;

From 6550e1f165f384f3a46b60a1be9aba4bc3c2adad Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Sun, 21 Mar 2010 13:08:21 +0200
Subject: [PATCH 1630/3638] KVM: x86 emulator: add decoding of CMPXCHG8B dst
 operand

Decode CMPXCHG8B destination operand in decoding stage. Fixes regression
introduced by "If LOCK prefix is used dest arg should be memory" commit.
This commit relies on dst operand be decoded at the beginning of an
instruction emulation.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 48de4b89005..b8ce53861f6 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -52,6 +52,7 @@
 #define DstMem      (3<<1)	/* Memory operand. */
 #define DstAcc      (4<<1)      /* Destination Accumulator */
 #define DstDI       (5<<1)	/* Destination is in ES:(E)DI */
+#define DstMem64    (6<<1)	/* 64bit memory operand */
 #define DstMask     (7<<1)
 /* Source operand type. */
 #define SrcNone     (0<<4)	/* No source operand. */
@@ -360,7 +361,7 @@ static u32 group_table[] = {
 	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM | Lock,
 	DstMem | SrcImmByte | ModRM | Lock, DstMem | SrcImmByte | ModRM | Lock,
 	[Group9*8] =
-	0, ImplicitOps | ModRM | Lock, 0, 0, 0, 0, 0, 0,
+	0, DstMem64 | ModRM | Lock, 0, 0, 0, 0, 0, 0,
 };
 
 static u32 group2_table[] = {
@@ -1205,6 +1206,7 @@ done_prefixes:
 			 c->twobyte && (c->b == 0xb6 || c->b == 0xb7));
 		break;
 	case DstMem:
+	case DstMem64:
 		if ((c->d & ModRM) && c->modrm_mod == 3) {
 			c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
 			c->dst.type = OP_REG;
@@ -1214,7 +1216,10 @@ done_prefixes:
 		}
 		c->dst.type = OP_MEM;
 		c->dst.ptr = (unsigned long *)c->modrm_ea;
-		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
+		if ((c->d & DstMask) == DstMem64)
+			c->dst.bytes = 8;
+		else
+			c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
 		c->dst.val = 0;
 		if (c->d & BitOp) {
 			unsigned long mask = ~(c->dst.bytes * 8 - 1);
@@ -1706,12 +1711,7 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
 			       struct x86_emulate_ops *ops)
 {
 	struct decode_cache *c = &ctxt->decode;
-	u64 old, new;
-	int rc;
-
-	rc = ops->read_emulated(c->modrm_ea, &old, 8, ctxt->vcpu);
-	if (rc != X86EMUL_CONTINUE)
-		return rc;
+	u64 old = c->dst.orig_val;
 
 	if (((u32) (old >> 0) != (u32) c->regs[VCPU_REGS_RAX]) ||
 	    ((u32) (old >> 32) != (u32) c->regs[VCPU_REGS_RDX])) {
@@ -1719,15 +1719,12 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
 		c->regs[VCPU_REGS_RAX] = (u32) (old >> 0);
 		c->regs[VCPU_REGS_RDX] = (u32) (old >> 32);
 		ctxt->eflags &= ~EFLG_ZF;
-
 	} else {
-		new = ((u64)c->regs[VCPU_REGS_RCX] << 32) |
+		c->dst.val = ((u64)c->regs[VCPU_REGS_RCX] << 32) |
 		       (u32) c->regs[VCPU_REGS_RBX];
 
-		rc = ops->cmpxchg_emulated(c->modrm_ea, &old, &new, 8, ctxt->vcpu);
-		if (rc != X86EMUL_CONTINUE)
-			return rc;
 		ctxt->eflags |= EFLG_ZF;
+		c->lock_prefix = 1;
 	}
 	return X86EMUL_CONTINUE;
 }
@@ -3245,7 +3242,6 @@ twobyte_insn:
 		rc = emulate_grp9(ctxt, ops);
 		if (rc != X86EMUL_CONTINUE)
 			goto done;
-		c->dst.type = OP_NONE;
 		break;
 	}
 	goto writeback;

From de3e6480f76804fe06d460ddb1920c7daa07f29b Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Sun, 21 Mar 2010 16:58:36 +0200
Subject: [PATCH 1631/3638] KVM: x86 emulator: fix unlocked CMPXCHG8B emulation

When CMPXCHG8B is executed without LOCK prefix it is racy. Preserve this
behaviour in emulator too.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b8ce53861f6..64c9854f045 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1724,7 +1724,6 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
 		       (u32) c->regs[VCPU_REGS_RBX];
 
 		ctxt->eflags |= EFLG_ZF;
-		c->lock_prefix = 1;
 	}
 	return X86EMUL_CONTINUE;
 }

From 041b1359a29b9301bc8baed6efcdbad29f80f6af Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Tue, 23 Mar 2010 14:15:53 -0300
Subject: [PATCH 1632/3638] KVM: x86: document KVM_REQ_PENDING_TIMER usage

Document that KVM_REQ_PENDING_TIMER is implicitly used during guest
entry.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/timer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/timer.c b/arch/x86/kvm/timer.c
index eea40439066..4ddadb1a5ff 100644
--- a/arch/x86/kvm/timer.c
+++ b/arch/x86/kvm/timer.c
@@ -12,7 +12,8 @@ static int __kvm_timer_fn(struct kvm_vcpu *vcpu, struct kvm_timer *ktimer)
 	/*
 	 * There is a race window between reading and incrementing, but we do
 	 * not care about potentially loosing timer events in the !reinject
-	 * case anyway.
+	 * case anyway. Note: KVM_REQ_PENDING_TIMER is implicitly checked
+	 * in vcpu_enter_guest.
 	 */
 	if (ktimer->reinject || !atomic_read(&ktimer->pending)) {
 		atomic_inc(&ktimer->pending);

From f815bce8940bc28e42e6b924825bb31df2a4bff5 Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Fri, 19 Mar 2010 17:58:53 +0800
Subject: [PATCH 1633/3638] KVM: MMU: check reserved bits only if CR4.PSE=1 or
 CR4.PAE=1

- Check reserved bits only if CR4.PAE=1 or CR4.PSE=1 when guest #PF occurs
- Fix a typo in reset_rsvds_bits_mask()

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/mmu.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 064c3efb49d..83d2ebce9ea 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2297,13 +2297,19 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu, int level)
 		/* no rsvd bits for 2 level 4K page table entries */
 		context->rsvd_bits_mask[0][1] = 0;
 		context->rsvd_bits_mask[0][0] = 0;
+		context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[0][0];
+
+		if (!is_pse(vcpu)) {
+			context->rsvd_bits_mask[1][1] = 0;
+			break;
+		}
+
 		if (is_cpuid_PSE36())
 			/* 36bits PSE 4MB page */
 			context->rsvd_bits_mask[1][1] = rsvd_bits(17, 21);
 		else
 			/* 32 bits PSE 4MB page */
 			context->rsvd_bits_mask[1][1] = rsvd_bits(13, 21);
-		context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[1][0];
 		break;
 	case PT32E_ROOT_LEVEL:
 		context->rsvd_bits_mask[0][2] =
@@ -2316,7 +2322,7 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu, int level)
 		context->rsvd_bits_mask[1][1] = exb_bit_rsvd |
 			rsvd_bits(maxphyaddr, 62) |
 			rsvd_bits(13, 20);		/* large page */
-		context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[1][0];
+		context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[0][0];
 		break;
 	case PT64_ROOT_LEVEL:
 		context->rsvd_bits_mask[0][3] = exb_bit_rsvd |
@@ -2334,7 +2340,7 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu, int level)
 		context->rsvd_bits_mask[1][1] = exb_bit_rsvd |
 			rsvd_bits(maxphyaddr, 51) |
 			rsvd_bits(13, 20);		/* large page */
-		context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[1][0];
+		context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[0][0];
 		break;
 	}
 }

From 84b0c8c6a6f87b62bca93727dee12ec59e32e597 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Sun, 14 Mar 2010 10:16:40 +0200
Subject: [PATCH 1634/3638] KVM: MMU: Disassociate direct maps from guest
 levels

Direct maps are linear translations for a section of memory, used for
real mode or with large pages.  As such, they are independent of the guest
levels.

Teach the mmu about this by making page->role.glevels = 0 for direct maps.
This allows direct maps to be shared among real mode and the various paging
modes.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/mmu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 83d2ebce9ea..1cc60d3f445 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1329,6 +1329,8 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
 	role = vcpu->arch.mmu.base_role;
 	role.level = level;
 	role.direct = direct;
+	if (role.direct)
+		role.glevels = 0;
 	role.access = access;
 	if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) {
 		quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level));

From 0f2d8f4dd0663defff8c1738d33478c1fb65a4f5 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 25 Mar 2010 12:16:48 +0200
Subject: [PATCH 1635/3638] KVM: Document KVM_SET_USER_MEMORY_REGION

Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/api.txt | 45 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index d170cb43554..9d6e64753d2 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -749,6 +749,51 @@ Writes debug registers into the vcpu.
 See KVM_GET_DEBUGREGS for the data structure. The flags field is unused
 yet and must be cleared on entry.
 
+4.34 KVM_SET_USER_MEMORY_REGION
+
+Capability: KVM_CAP_USER_MEM
+Architectures: all
+Type: vm ioctl
+Parameters: struct kvm_userspace_memory_region (in)
+Returns: 0 on success, -1 on error
+
+struct kvm_userspace_memory_region {
+	__u32 slot;
+	__u32 flags;
+	__u64 guest_phys_addr;
+	__u64 memory_size; /* bytes */
+	__u64 userspace_addr; /* start of the userspace allocated memory */
+};
+
+/* for kvm_memory_region::flags */
+#define KVM_MEM_LOG_DIRTY_PAGES  1UL
+
+This ioctl allows the user to create or modify a guest physical memory
+slot.  When changing an existing slot, it may be moved in the guest
+physical memory space, or its flags may be modified.  It may not be
+resized.  Slots may not overlap in guest physical address space.
+
+Memory for the region is taken starting at the address denoted by the
+field userspace_addr, which must point at user addressable memory for
+the entire memory slot size.  Any object may back this memory, including
+anonymous memory, ordinary files, and hugetlbfs.
+
+It is recommended that the lower 21 bits of guest_phys_addr and userspace_addr
+be identical.  This allows large pages in the guest to be backed by large
+pages in the host.
+
+The flags field supports just one flag, KVM_MEM_LOG_DIRTY_PAGES, which
+instructs kvm to keep track of writes to memory within the slot.  See
+the KVM_GET_DIRTY_LOG ioctl.
+
+When the KVM_CAP_SYNC_MMU capability, changes in the backing of the memory
+region are automatically reflected into the guest.  For example, an mmap()
+that affects the region will be made visible immediately.  Another example
+is madvise(MADV_DROP).
+
+It is recommended to use this API instead of the KVM_SET_MEMORY_REGION ioctl.
+The KVM_SET_MEMORY_REGION does not allow fine grained control over memory
+allocation and is deprecated.
 
 5. The kvm_run structure
 

From 8a5416db832895b84b85ad0bcbb11d1cce0d3d37 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 25 Mar 2010 12:27:30 +0200
Subject: [PATCH 1636/3638] KVM: Document KVM_SET_TSS_ADDR

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/api.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index 9d6e64753d2..2cc0120ccdb 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -795,6 +795,24 @@ It is recommended to use this API instead of the KVM_SET_MEMORY_REGION ioctl.
 The KVM_SET_MEMORY_REGION does not allow fine grained control over memory
 allocation and is deprecated.
 
+4.35 KVM_SET_TSS_ADDR
+
+Capability: KVM_CAP_SET_TSS_ADDR
+Architectures: x86
+Type: vm ioctl
+Parameters: unsigned long tss_address (in)
+Returns: 0 on success, -1 on error
+
+This ioctl defines the physical address of a three-page region in the guest
+physical address space.  The region must be within the first 4GB of the
+guest physical address space and must not conflict with any memory slot
+or any mmio address.  The guest may malfunction if it accesses this memory
+region.
+
+This ioctl is required on Intel-based hosts.  This is needed on Intel hardware
+because of a quirk in the virtualization implementation (see the internals
+documentation when it pops into existence).
+
 5. The kvm_run structure
 
 Application code obtains a pointer to the kvm_run structure by

From 3eeafd7da2b0293b512abe95c86843fc4ab42add Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:17 +0100
Subject: [PATCH 1637/3638] KVM: PPC: Ensure split mode works

On PowerPC we can go into MMU Split Mode. That means that either
data relocation is on but instruction relocation is off or vice
versa.

That mode didn't work properly, as we weren't always flushing
entries when going into a new split mode, potentially mapping
different code or data that we're supposed to.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h |  9 +++---
 arch/powerpc/kvm/book3s.c             | 46 ++++++++++++++-------------
 2 files changed, 29 insertions(+), 26 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index e6ea974df44..14d0262ae00 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -99,10 +99,11 @@ struct kvmppc_vcpu_book3s {
 #define CONTEXT_GUEST		1
 #define CONTEXT_GUEST_END	2
 
-#define VSID_REAL	0xfffffffffff00000
-#define VSID_REAL_DR	0xffffffffffe00000
-#define VSID_REAL_IR	0xffffffffffd00000
-#define VSID_BAT	0xffffffffffc00000
+#define VSID_REAL_DR	0x7ffffffffff00000
+#define VSID_REAL_IR	0x7fffffffffe00000
+#define VSID_SPLIT_MASK	0x7fffffffffe00000
+#define VSID_REAL	0x7fffffffffc00000
+#define VSID_BAT	0x7fffffffffb00000
 #define VSID_PR		0x8000000000000000
 
 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 8cab902771a..ff5a4205825 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -134,6 +134,14 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 
 	if (((vcpu->arch.msr & (MSR_IR|MSR_DR)) != (old_msr & (MSR_IR|MSR_DR))) ||
 	    (vcpu->arch.msr & MSR_PR) != (old_msr & MSR_PR)) {
+		bool dr = (vcpu->arch.msr & MSR_DR) ? true : false;
+		bool ir = (vcpu->arch.msr & MSR_IR) ? true : false;
+
+		/* Flush split mode PTEs */
+		if (dr != ir)
+			kvmppc_mmu_pte_vflush(vcpu, VSID_SPLIT_MASK,
+					      VSID_SPLIT_MASK);
+
 		kvmppc_mmu_flush_segments(vcpu);
 		kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc);
 	}
@@ -396,15 +404,7 @@ static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data,
 	} else {
 		pte->eaddr = eaddr;
 		pte->raddr = eaddr & 0xffffffff;
-		pte->vpage = eaddr >> 12;
-		switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
-		case 0:
-			pte->vpage |= VSID_REAL;
-		case MSR_DR:
-			pte->vpage |= VSID_REAL_DR;
-		case MSR_IR:
-			pte->vpage |= VSID_REAL_IR;
-		}
+		pte->vpage = VSID_REAL | eaddr >> 12;
 		pte->may_read = true;
 		pte->may_write = true;
 		pte->may_execute = true;
@@ -513,12 +513,10 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	int page_found = 0;
 	struct kvmppc_pte pte;
 	bool is_mmio = false;
+	bool dr = (vcpu->arch.msr & MSR_DR) ? true : false;
+	bool ir = (vcpu->arch.msr & MSR_IR) ? true : false;
 
-	if ( vec == BOOK3S_INTERRUPT_DATA_STORAGE ) {
-		relocated = (vcpu->arch.msr & MSR_DR);
-	} else {
-		relocated = (vcpu->arch.msr & MSR_IR);
-	}
+	relocated = data ? dr : ir;
 
 	/* Resolve real address if translation turned on */
 	if (relocated) {
@@ -530,14 +528,18 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		pte.raddr = eaddr & 0xffffffff;
 		pte.eaddr = eaddr;
 		pte.vpage = eaddr >> 12;
-		switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
-		case 0:
-			pte.vpage |= VSID_REAL;
-		case MSR_DR:
-			pte.vpage |= VSID_REAL_DR;
-		case MSR_IR:
-			pte.vpage |= VSID_REAL_IR;
-		}
+	}
+
+	switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
+	case 0:
+		pte.vpage |= VSID_REAL;
+		break;
+	case MSR_DR:
+		pte.vpage |= VSID_REAL_DR;
+		break;
+	case MSR_IR:
+		pte.vpage |= VSID_REAL_IR;
+		break;
 	}
 
 	if (vcpu->arch.mmu.is_dcbz32(vcpu) &&

From 18978768d89f638165646718c50ced19f2a10164 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:18 +0100
Subject: [PATCH 1638/3638] KVM: PPC: Allow userspace to unset the IRQ line

Userspace can tell us that it wants to trigger an interrupt. But
so far it can't tell us that it wants to stop triggering one.

So let's interpret the parameter to the ioctl that we have anyways
to tell us if we want to raise or lower the interrupt line.

Signed-off-by: Alexander Graf <agraf@suse.de>

v2 -> v3:

 - Add CAP for unset irq
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm.h     | 3 +++
 arch/powerpc/include/asm/kvm_ppc.h | 2 ++
 arch/powerpc/kvm/book3s.c          | 6 ++++++
 arch/powerpc/kvm/powerpc.c         | 6 +++++-
 include/linux/kvm.h                | 1 +
 5 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h
index 19bae31202c..6c5547d82bb 100644
--- a/arch/powerpc/include/asm/kvm.h
+++ b/arch/powerpc/include/asm/kvm.h
@@ -84,4 +84,7 @@ struct kvm_guest_debug_arch {
 #define KVM_REG_QPR		0x0040
 #define KVM_REG_FQPR		0x0060
 
+#define KVM_INTERRUPT_SET	-1U
+#define KVM_INTERRUPT_UNSET	-2U
+
 #endif /* __LINUX_KVM_POWERPC_H */
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index c7fcdd751f1..6a2464e4d6b 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -92,6 +92,8 @@ extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
 extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
 extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
                                        struct kvm_interrupt *irq);
+extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
+                                         struct kvm_interrupt *irq);
 
 extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
                                   unsigned int op, int *advance);
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index ff5a4205825..34e1a342bec 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -231,6 +231,12 @@ void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
 	kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL);
 }
 
+void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
+                                  struct kvm_interrupt *irq)
+{
+	kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL);
+}
+
 int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority)
 {
 	int deliver = 1;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 3f8677e9d8f..0bb6a7e826d 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -149,6 +149,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	switch (ext) {
 	case KVM_CAP_PPC_SEGSTATE:
 	case KVM_CAP_PPC_PAIRED_SINGLES:
+	case KVM_CAP_PPC_UNSET_IRQ:
 		r = 1;
 		break;
 	case KVM_CAP_COALESCED_MMIO:
@@ -451,7 +452,10 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
 
 int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq)
 {
-	kvmppc_core_queue_external(vcpu, irq);
+	if (irq->irq == KVM_INTERRUPT_UNSET)
+		kvmppc_core_dequeue_external(vcpu, irq);
+	else
+		kvmppc_core_queue_external(vcpu, irq);
 
 	if (waitqueue_active(&vcpu->wq)) {
 		wake_up_interruptible(&vcpu->wq);
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index ce2876717a8..c36d093e980 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -507,6 +507,7 @@ struct kvm_ioeventfd {
 #define KVM_CAP_DEBUGREGS 50
 #endif
 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
+#define KVM_CAP_PPC_UNSET_IRQ 53
 
 #ifdef KVM_CAP_IRQ_ROUTING
 

From c8027f165228b4c62bad31609d5c9e98ddfb8ef6 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:19 +0100
Subject: [PATCH 1639/3638] KVM: PPC: Make DSISR 32 bits wide

DSISR is only defined as 32 bits wide. So let's reflect that in the
structs too.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h   | 2 +-
 arch/powerpc/include/asm/kvm_host.h     | 2 +-
 arch/powerpc/kvm/book3s_64_interrupts.S | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 14d0262ae00..9f5a9921927 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -84,8 +84,8 @@ struct kvmppc_vcpu_book3s {
 	u64 hid[6];
 	u64 gqr[8];
 	int slb_nr;
+	u32 dsisr;
 	u64 sdr1;
-	u64 dsisr;
 	u64 hior;
 	u64 msr_mask;
 	u64 vsid_first;
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 119deb4750d..0ebda67ad6a 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -260,7 +260,7 @@ struct kvm_vcpu_arch {
 
 	u32 last_inst;
 #ifdef CONFIG_PPC64
-	ulong fault_dsisr;
+	u32 fault_dsisr;
 #endif
 	ulong fault_dear;
 	ulong fault_esr;
diff --git a/arch/powerpc/kvm/book3s_64_interrupts.S b/arch/powerpc/kvm/book3s_64_interrupts.S
index c1584d0cbce..faca87610d6 100644
--- a/arch/powerpc/kvm/book3s_64_interrupts.S
+++ b/arch/powerpc/kvm/book3s_64_interrupts.S
@@ -171,7 +171,7 @@ kvmppc_handler_highmem:
 	std	r3, VCPU_PC(r7)
 	std	r4, VCPU_SHADOW_SRR1(r7)
 	std	r5, VCPU_FAULT_DEAR(r7)
-	std	r6, VCPU_FAULT_DSISR(r7)
+	stw	r6, VCPU_FAULT_DSISR(r7)
 
 	ld	r5, VCPU_HFLAGS(r7)
 	rldicl.	r5, r5, 0, 63		/* CR = ((r5 & 1) == 0) */

From 4b389ca2e733b986c5282690e4e0314f000e6228 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:20 +0100
Subject: [PATCH 1640/3638] KVM: PPC: Book3S_32 guest MMU fixes

This patch makes the VSID of mapped pages always reflecting all special cases
we have, like split mode.

It also changes the tlbie mask to 0x0ffff000 according to the spec. The mask
we used before was incorrect.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h |  1 +
 arch/powerpc/kvm/book3s_32_mmu.c      | 30 ++++++++++++++++++++-------
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 9f5a9921927..b47b2f516ef 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -44,6 +44,7 @@ struct kvmppc_sr {
 	bool Ks;
 	bool Kp;
 	bool nx;
+	bool valid;
 };
 
 struct kvmppc_bat {
diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c
index 1483a9bddda..7071e22b42f 100644
--- a/arch/powerpc/kvm/book3s_32_mmu.c
+++ b/arch/powerpc/kvm/book3s_32_mmu.c
@@ -57,6 +57,8 @@ static inline bool check_debug_ip(struct kvm_vcpu *vcpu)
 
 static int kvmppc_mmu_book3s_32_xlate_bat(struct kvm_vcpu *vcpu, gva_t eaddr,
 					  struct kvmppc_pte *pte, bool data);
+static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, u64 esid,
+					     u64 *vsid);
 
 static struct kvmppc_sr *find_sr(struct kvmppc_vcpu_book3s *vcpu_book3s, gva_t eaddr)
 {
@@ -66,13 +68,14 @@ static struct kvmppc_sr *find_sr(struct kvmppc_vcpu_book3s *vcpu_book3s, gva_t e
 static u64 kvmppc_mmu_book3s_32_ea_to_vp(struct kvm_vcpu *vcpu, gva_t eaddr,
 					 bool data)
 {
-	struct kvmppc_sr *sre = find_sr(to_book3s(vcpu), eaddr);
+	u64 vsid;
 	struct kvmppc_pte pte;
 
 	if (!kvmppc_mmu_book3s_32_xlate_bat(vcpu, eaddr, &pte, data))
 		return pte.vpage;
 
-	return (((u64)eaddr >> 12) & 0xffff) | (((u64)sre->vsid) << 16);
+	kvmppc_mmu_book3s_32_esid_to_vsid(vcpu, eaddr >> SID_SHIFT, &vsid);
+	return (((u64)eaddr >> 12) & 0xffff) | (vsid << 16);
 }
 
 static void kvmppc_mmu_book3s_32_reset_msr(struct kvm_vcpu *vcpu)
@@ -142,8 +145,13 @@ static int kvmppc_mmu_book3s_32_xlate_bat(struct kvm_vcpu *vcpu, gva_t eaddr,
 				    bat->bepi_mask);
 		}
 		if ((eaddr & bat->bepi_mask) == bat->bepi) {
+			u64 vsid;
+			kvmppc_mmu_book3s_32_esid_to_vsid(vcpu,
+				eaddr >> SID_SHIFT, &vsid);
+			vsid <<= 16;
+			pte->vpage = (((u64)eaddr >> 12) & 0xffff) | vsid;
+
 			pte->raddr = bat->brpn | (eaddr & ~bat->bepi_mask);
-			pte->vpage = (eaddr >> 12) | VSID_BAT;
 			pte->may_read = bat->pp;
 			pte->may_write = bat->pp > 1;
 			pte->may_execute = true;
@@ -302,6 +310,7 @@ static void kvmppc_mmu_book3s_32_mtsrin(struct kvm_vcpu *vcpu, u32 srnum,
 	/* And then put in the new SR */
 	sre->raw = value;
 	sre->vsid = (value & 0x0fffffff);
+	sre->valid = (value & 0x80000000) ? false : true;
 	sre->Ks = (value & 0x40000000) ? true : false;
 	sre->Kp = (value & 0x20000000) ? true : false;
 	sre->nx = (value & 0x10000000) ? true : false;
@@ -312,7 +321,7 @@ static void kvmppc_mmu_book3s_32_mtsrin(struct kvm_vcpu *vcpu, u32 srnum,
 
 static void kvmppc_mmu_book3s_32_tlbie(struct kvm_vcpu *vcpu, ulong ea, bool large)
 {
-	kvmppc_mmu_pte_flush(vcpu, ea, ~0xFFFULL);
+	kvmppc_mmu_pte_flush(vcpu, ea, 0x0FFFF000);
 }
 
 static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, u64 esid,
@@ -333,15 +342,22 @@ static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, u64 esid,
 		break;
 	case MSR_DR|MSR_IR:
 	{
-		ulong ea;
-		ea = esid << SID_SHIFT;
-		*vsid = find_sr(to_book3s(vcpu), ea)->vsid;
+		ulong ea = esid << SID_SHIFT;
+		struct kvmppc_sr *sr = find_sr(to_book3s(vcpu), ea);
+
+		if (!sr->valid)
+			return -1;
+
+		*vsid = sr->vsid;
 		break;
 	}
 	default:
 		BUG();
 	}
 
+	if (vcpu->arch.msr & MSR_PR)
+		*vsid |= VSID_PR;
+
 	return 0;
 }
 

From 8963221d7d7244cc828dfca5649404c747599b3e Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:21 +0100
Subject: [PATCH 1641/3638] KVM: PPC: Split instruction reading out

The current check_ext function reads the instruction and then does
the checking. Let's split the reading out so we can reuse it for
different functions.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 34e1a342bec..358d5f78311 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -651,26 +651,34 @@ void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr)
 	kvmppc_recalc_shadow_msr(vcpu);
 }
 
-static int kvmppc_check_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr)
+static int kvmppc_read_inst(struct kvm_vcpu *vcpu)
 {
 	ulong srr0 = vcpu->arch.pc;
 	int ret;
 
-	/* Need to do paired single emulation? */
-	if (!(vcpu->arch.hflags & BOOK3S_HFLAG_PAIRED_SINGLE))
-		return EMULATE_DONE;
-
-	/* Read out the instruction */
 	ret = kvmppc_ld(vcpu, &srr0, sizeof(u32), &vcpu->arch.last_inst, false);
 	if (ret == -ENOENT) {
 		vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 33, 33, 1);
 		vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 34, 36, 0);
 		vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 42, 47, 0);
 		kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_INST_STORAGE);
-	} else if(ret == EMULATE_DONE) {
+		return EMULATE_AGAIN;
+	}
+
+	return EMULATE_DONE;
+}
+
+static int kvmppc_check_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr)
+{
+
+	/* Need to do paired single emulation? */
+	if (!(vcpu->arch.hflags & BOOK3S_HFLAG_PAIRED_SINGLE))
+		return EMULATE_DONE;
+
+	/* Read out the instruction */
+	if (kvmppc_read_inst(vcpu) == EMULATE_DONE)
 		/* Need to emulate */
 		return EMULATE_FAIL;
-	}
 
 	return EMULATE_AGAIN;
 }

From c2453693d41f31dae1b4d39b2d59d9a9c6dcb837 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:22 +0100
Subject: [PATCH 1642/3638] KVM: PPC: Don't reload FPU with invalid values

When the guest activates the FPU, we load it up. That's fine when
it wasn't activated before on the host, but if it was we end up
reloading FPU values from last time the FPU was deactivated on the
host without writing the proper values back to the vcpu struct.

This patch checks if the FPU is enabled already and if so just doesn't
bother activating it, making FPU operations survive guest context switches.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 358d5f78311..6f409c98205 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -702,6 +702,11 @@ static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
 		return RESUME_GUEST;
 	}
 
+	/* We already own the ext */
+	if (vcpu->arch.guest_owned_ext & msr) {
+		return RESUME_GUEST;
+	}
+
 #ifdef DEBUG_EXT
 	printk(KERN_INFO "Loading up ext 0x%lx\n", msr);
 #endif

From a56cf347c21b21d52db127672cf1edf5dd724a4b Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:23 +0100
Subject: [PATCH 1643/3638] KVM: PPC: Load VCPU for register fetching

When trying to read or store vcpu register data, we should also make
sure the vcpu is actually loaded, so we're 100% sure we get the correct
values.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 6f409c98205..c058f1a5c09 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -956,6 +956,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 {
 	int i;
 
+	vcpu_load(vcpu);
+
 	regs->pc = vcpu->arch.pc;
 	regs->cr = kvmppc_get_cr(vcpu);
 	regs->ctr = vcpu->arch.ctr;
@@ -976,6 +978,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
 		regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
 
+	vcpu_put(vcpu);
+
 	return 0;
 }
 
@@ -983,6 +987,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 {
 	int i;
 
+	vcpu_load(vcpu);
+
 	vcpu->arch.pc = regs->pc;
 	kvmppc_set_cr(vcpu, regs->cr);
 	vcpu->arch.ctr = regs->ctr;
@@ -1002,6 +1008,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
 		kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
 
+	vcpu_put(vcpu);
+
 	return 0;
 }
 

From c664876c6d88ff8c8e93ee05c0bbdc3e4c2af488 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:24 +0100
Subject: [PATCH 1644/3638] KVM: PPC: Implement mfsr emulation

We emulate the mfsrin instruction already, that passes the SR number
in a register value. But we lacked support for mfsr that encoded the
SR number in the opcode.

So let's implement it.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_emulate.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index c9892140dd0..8d7a78d87ef 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -35,6 +35,7 @@
 #define OP_31_XOP_SLBMTE	402
 #define OP_31_XOP_SLBIE		434
 #define OP_31_XOP_SLBIA		498
+#define OP_31_XOP_MFSR		595
 #define OP_31_XOP_MFSRIN	659
 #define OP_31_XOP_SLBMFEV	851
 #define OP_31_XOP_EIOIO		854
@@ -90,6 +91,18 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		case OP_31_XOP_MTMSR:
 			kvmppc_set_msr(vcpu, kvmppc_get_gpr(vcpu, get_rs(inst)));
 			break;
+		case OP_31_XOP_MFSR:
+		{
+			int srnum;
+
+			srnum = kvmppc_get_field(inst, 12 + 32, 15 + 32);
+			if (vcpu->arch.mmu.mfsrin) {
+				u32 sr;
+				sr = vcpu->arch.mmu.mfsrin(vcpu, srnum);
+				kvmppc_set_gpr(vcpu, get_rt(inst), sr);
+			}
+			break;
+		}
 		case OP_31_XOP_MFSRIN:
 		{
 			int srnum;

From c04a695a4484467889d0c91c2e377c6abcecd5d5 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:25 +0100
Subject: [PATCH 1645/3638] KVM: PPC: Implement BAT reads

BATs can't only be written to, you can also read them out!
So let's implement emulation for reading BAT values again.

While at it, I also made BAT setting flush the segment cache,
so we're absolutely sure there's no MMU state left when writing
BATs.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_emulate.c | 35 ++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index 8d7a78d87ef..39d5003e01f 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -239,6 +239,34 @@ void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, bool upper,
 	}
 }
 
+static u32 kvmppc_read_bat(struct kvm_vcpu *vcpu, int sprn)
+{
+	struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
+	struct kvmppc_bat *bat;
+
+	switch (sprn) {
+	case SPRN_IBAT0U ... SPRN_IBAT3L:
+		bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT0U) / 2];
+		break;
+	case SPRN_IBAT4U ... SPRN_IBAT7L:
+		bat = &vcpu_book3s->ibat[4 + ((sprn - SPRN_IBAT4U) / 2)];
+		break;
+	case SPRN_DBAT0U ... SPRN_DBAT3L:
+		bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT0U) / 2];
+		break;
+	case SPRN_DBAT4U ... SPRN_DBAT7L:
+		bat = &vcpu_book3s->dbat[4 + ((sprn - SPRN_DBAT4U) / 2)];
+		break;
+	default:
+		BUG();
+	}
+
+	if (sprn % 2)
+		return bat->raw >> 32;
+	else
+		return bat->raw;
+}
+
 static void kvmppc_write_bat(struct kvm_vcpu *vcpu, int sprn, u32 val)
 {
 	struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
@@ -290,6 +318,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 		/* BAT writes happen so rarely that we're ok to flush
 		 * everything here */
 		kvmppc_mmu_pte_flush(vcpu, 0, 0);
+		kvmppc_mmu_flush_segments(vcpu);
 		break;
 	case SPRN_HID0:
 		to_book3s(vcpu)->hid[0] = spr_val;
@@ -373,6 +402,12 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 	int emulated = EMULATE_DONE;
 
 	switch (sprn) {
+	case SPRN_IBAT0U ... SPRN_IBAT3L:
+	case SPRN_IBAT4U ... SPRN_IBAT7L:
+	case SPRN_DBAT0U ... SPRN_DBAT3L:
+	case SPRN_DBAT4U ... SPRN_DBAT7L:
+		kvmppc_set_gpr(vcpu, rt, kvmppc_read_bat(vcpu, sprn));
+		break;
 	case SPRN_SDR1:
 		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->sdr1);
 		break;

From 1bec1677ca5b3406dc1f174b61beaeb832eed715 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:26 +0100
Subject: [PATCH 1646/3638] KVM: PPC: Make XER load 32 bit

We have a 32 bit value in the PACA to store XER in. We also do an stw
when storing XER in there. But then we load it with ld, completely
screwing it up on every entry.

Welcome to the Big Endian world.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_slb.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/book3s_64_slb.S b/arch/powerpc/kvm/book3s_64_slb.S
index 35b76272218..09196790795 100644
--- a/arch/powerpc/kvm/book3s_64_slb.S
+++ b/arch/powerpc/kvm/book3s_64_slb.S
@@ -145,7 +145,7 @@ slb_do_enter:
 	lwz	r11, (PACA_KVM_CR)(r13)
 	mtcr	r11
 
-	ld	r11, (PACA_KVM_XER)(r13)
+	lwz	r11, (PACA_KVM_XER)(r13)
 	mtxer	r11
 
 	ld	r11, (PACA_KVM_R11)(r13)

From 1c85e73303fa70cd6bc2bf138484acb4ffe30efd Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:27 +0100
Subject: [PATCH 1647/3638] KVM: PPC: Implement emulation for lbzux and lhax

We get MMIOs with the weirdest instructions. But every time we do,
we need to improve our emulator to implement them.

So let's do that - this time it's lbzux and lhax's round.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/emulate.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 2410ec2a756..dbb5d6842a5 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -38,10 +38,12 @@
 #define OP_31_XOP_LBZX      87
 #define OP_31_XOP_STWX      151
 #define OP_31_XOP_STBX      215
+#define OP_31_XOP_LBZUX     119
 #define OP_31_XOP_STBUX     247
 #define OP_31_XOP_LHZX      279
 #define OP_31_XOP_LHZUX     311
 #define OP_31_XOP_MFSPR     339
+#define OP_31_XOP_LHAX      343
 #define OP_31_XOP_STHX      407
 #define OP_31_XOP_STHUX     439
 #define OP_31_XOP_MTSPR     467
@@ -173,6 +175,19 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
 			break;
 
+		case OP_31_XOP_LBZUX:
+			rt = get_rt(inst);
+			ra = get_ra(inst);
+			rb = get_rb(inst);
+
+			ea = kvmppc_get_gpr(vcpu, rb);
+			if (ra)
+				ea += kvmppc_get_gpr(vcpu, ra);
+
+			emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
+			kvmppc_set_gpr(vcpu, ra, ea);
+			break;
+
 		case OP_31_XOP_STWX:
 			rs = get_rs(inst);
 			emulated = kvmppc_handle_store(run, vcpu,
@@ -202,6 +217,11 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			kvmppc_set_gpr(vcpu, rs, ea);
 			break;
 
+		case OP_31_XOP_LHAX:
+			rt = get_rt(inst);
+			emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
+			break;
+
 		case OP_31_XOP_LHZX:
 			rt = get_rt(inst);
 			emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);

From ca7f4203b9b66e12d0d9968ff7dfe781f3a9695a Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:28 +0100
Subject: [PATCH 1648/3638] KVM: PPC: Implement alignment interrupt

Mac OS X has some applications - namely the Finder - that require alignment
interrupts to work properly. So we need to implement them.

But the spec for 970 and 750 also looks different. While 750 requires the
DSISR and DAR fields to reflect some instruction bits (DSISR) and the fault
address (DAR), the 970 declares this as an optional feature. So we need
to reconstruct DSISR and DAR manually.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h |  2 +
 arch/powerpc/kvm/book3s.c             | 10 ++++
 arch/powerpc/kvm/book3s_64_emulate.c  | 75 +++++++++++++++++++++++++++
 3 files changed, 87 insertions(+)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index b47b2f516ef..bea76371dbe 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -131,6 +131,8 @@ extern void kvmppc_rmcall(ulong srr0, ulong srr1);
 extern void kvmppc_load_up_fpu(void);
 extern void kvmppc_load_up_altivec(void);
 extern void kvmppc_load_up_vsx(void);
+extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
+extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
 
 static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
 {
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index c058f1a5c09..de12202fe1c 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -906,6 +906,16 @@ program_interrupt:
 		}
 		break;
 	}
+	case BOOK3S_INTERRUPT_ALIGNMENT:
+		if (kvmppc_read_inst(vcpu) == EMULATE_DONE) {
+			to_book3s(vcpu)->dsisr = kvmppc_alignment_dsisr(vcpu,
+				vcpu->arch.last_inst);
+			vcpu->arch.dear = kvmppc_alignment_dar(vcpu,
+				vcpu->arch.last_inst);
+			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
+		}
+		r = RESUME_GUEST;
+		break;
 	case BOOK3S_INTERRUPT_MACHINE_CHECK:
 	case BOOK3S_INTERRUPT_TRACE:
 		kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index 39d5003e01f..1e5cf8d594e 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -44,6 +44,11 @@
 /* DCBZ is actually 1014, but we patch it to 1010 so we get a trap */
 #define OP_31_XOP_DCBZ		1010
 
+#define OP_LFS			48
+#define OP_LFD			50
+#define OP_STFS			52
+#define OP_STFD			54
+
 #define SPRN_GQR0		912
 #define SPRN_GQR1		913
 #define SPRN_GQR2		914
@@ -474,3 +479,73 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 	return emulated;
 }
 
+u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst)
+{
+	u32 dsisr = 0;
+
+	/*
+	 * This is what the spec says about DSISR bits (not mentioned = 0):
+	 *
+	 * 12:13		[DS]	Set to bits 30:31
+	 * 15:16		[X]	Set to bits 29:30
+	 * 17			[X]	Set to bit 25
+	 *			[D/DS]	Set to bit 5
+	 * 18:21		[X]	Set to bits 21:24
+	 *			[D/DS]	Set to bits 1:4
+	 * 22:26			Set to bits 6:10 (RT/RS/FRT/FRS)
+	 * 27:31			Set to bits 11:15 (RA)
+	 */
+
+	switch (get_op(inst)) {
+	/* D-form */
+	case OP_LFS:
+	case OP_LFD:
+	case OP_STFD:
+	case OP_STFS:
+		dsisr |= (inst >> 12) & 0x4000;	/* bit 17 */
+		dsisr |= (inst >> 17) & 0x3c00; /* bits 18:21 */
+		break;
+	/* X-form */
+	case 31:
+		dsisr |= (inst << 14) & 0x18000; /* bits 15:16 */
+		dsisr |= (inst << 8)  & 0x04000; /* bit 17 */
+		dsisr |= (inst << 3)  & 0x03c00; /* bits 18:21 */
+		break;
+	default:
+		printk(KERN_INFO "KVM: Unaligned instruction 0x%x\n", inst);
+		break;
+	}
+
+	dsisr |= (inst >> 16) & 0x03ff; /* bits 22:31 */
+
+	return dsisr;
+}
+
+ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst)
+{
+	ulong dar = 0;
+	ulong ra;
+
+	switch (get_op(inst)) {
+	case OP_LFS:
+	case OP_LFD:
+	case OP_STFD:
+	case OP_STFS:
+		ra = get_ra(inst);
+		if (ra)
+			dar = kvmppc_get_gpr(vcpu, ra);
+		dar += (s32)((s16)inst);
+		break;
+	case 31:
+		ra = get_ra(inst);
+		if (ra)
+			dar = kvmppc_get_gpr(vcpu, ra);
+		dar += kvmppc_get_gpr(vcpu, get_rb(inst));
+		break;
+	default:
+		printk(KERN_INFO "KVM: Unaligned instruction 0x%x\n", inst);
+		break;
+	}
+
+	return dar;
+}

From 71fbfd5f38f73515f1516a68fbe04dba198b70f0 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:29 +0100
Subject: [PATCH 1649/3638] KVM: Add support for enabling capabilities per-vcpu

Some times we don't want all capabilities to be available to all
our vcpus. One example for that is the OSI interface, implemented
in the next patch.

In order to have a generic mechanism in how to enable capabilities
individually, this patch introduces a new ioctl that can be used
for this purpose. That way features we don't want in all guests or
userspace configurations can just not be enabled and we're good.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/api.txt  | 35 +++++++++++++++++++++++++++++++++++
 arch/powerpc/kvm/powerpc.c | 27 +++++++++++++++++++++++++++
 include/linux/kvm.h        | 11 +++++++++++
 3 files changed, 73 insertions(+)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index 2cc0120ccdb..f9724dc8d07 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -813,6 +813,41 @@ This ioctl is required on Intel-based hosts.  This is needed on Intel hardware
 because of a quirk in the virtualization implementation (see the internals
 documentation when it pops into existence).
 
+4.36 KVM_ENABLE_CAP
+
+Capability: KVM_CAP_ENABLE_CAP
+Architectures: ppc
+Type: vcpu ioctl
+Parameters: struct kvm_enable_cap (in)
+Returns: 0 on success; -1 on error
+
++Not all extensions are enabled by default. Using this ioctl the application
+can enable an extension, making it available to the guest.
+
+On systems that do not support this ioctl, it always fails. On systems that
+do support it, it only works for extensions that are supported for enablement.
+
+To check if a capability can be enabled, the KVM_CHECK_EXTENSION ioctl should
+be used.
+
+struct kvm_enable_cap {
+       /* in */
+       __u32 cap;
+
+The capability that is supposed to get enabled.
+
+       __u32 flags;
+
+A bitfield indicating future enhancements. Has to be 0 for now.
+
+       __u64 args[4];
+
+Arguments for enabling a feature. If a feature needs initial values to
+function properly, this is the place to put them.
+
+       __u8  pad[64];
+};
+
 5. The kvm_run structure
 
 Application code obtains a pointer to the kvm_run structure by
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 0bb6a7e826d..646bfd256e5 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -150,6 +150,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_PPC_SEGSTATE:
 	case KVM_CAP_PPC_PAIRED_SINGLES:
 	case KVM_CAP_PPC_UNSET_IRQ:
+	case KVM_CAP_ENABLE_CAP:
 		r = 1;
 		break;
 	case KVM_CAP_COALESCED_MMIO:
@@ -465,6 +466,23 @@ int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq)
 	return 0;
 }
 
+static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
+				     struct kvm_enable_cap *cap)
+{
+	int r;
+
+	if (cap->flags)
+		return -EINVAL;
+
+	switch (cap->cap) {
+	default:
+		r = -EINVAL;
+		break;
+	}
+
+	return r;
+}
+
 int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
                                     struct kvm_mp_state *mp_state)
 {
@@ -493,6 +511,15 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
 		r = kvm_vcpu_ioctl_interrupt(vcpu, &irq);
 		break;
 	}
+	case KVM_ENABLE_CAP:
+	{
+		struct kvm_enable_cap cap;
+		r = -EFAULT;
+		if (copy_from_user(&cap, argp, sizeof(cap)))
+			goto out;
+		r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap);
+		break;
+	}
 	default:
 		r = -EINVAL;
 	}
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c36d093e980..ecb68e43355 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -400,6 +400,15 @@ struct kvm_ioeventfd {
 	__u8  pad[36];
 };
 
+/* for KVM_ENABLE_CAP */
+struct kvm_enable_cap {
+	/* in */
+	__u32 cap;
+	__u32 flags;
+	__u64 args[4];
+	__u8  pad[64];
+};
+
 #define KVMIO 0xAE
 
 /*
@@ -508,6 +517,7 @@ struct kvm_ioeventfd {
 #endif
 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 #define KVM_CAP_PPC_UNSET_IRQ 53
+#define KVM_CAP_ENABLE_CAP 54
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -697,6 +707,7 @@ struct kvm_clock_data {
 /* Available with KVM_CAP_DEBUGREGS */
 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
+#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
 

From ad0a048b096ac819f28667602285453468a8d8f9 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:30 +0100
Subject: [PATCH 1650/3638] KVM: PPC: Add OSI hypercall interface

MOL uses its own hypercall interface to call back into userspace when
the guest wants to do something.

So let's implement that as an exit reason, specify it with a CAP and
only really use it when userspace wants us to.

The only user of it so far is MOL.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/api.txt             | 19 ++++++++++++++++---
 arch/powerpc/include/asm/kvm_book3s.h |  5 +++++
 arch/powerpc/include/asm/kvm_host.h   |  2 ++
 arch/powerpc/kvm/book3s.c             | 24 ++++++++++++++++++------
 arch/powerpc/kvm/powerpc.c            | 12 ++++++++++++
 include/linux/kvm.h                   |  6 ++++++
 6 files changed, 59 insertions(+), 9 deletions(-)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index f9724dc8d07..6f362356e73 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -958,9 +958,9 @@ executed a memory-mapped I/O instruction which could not be satisfied
 by kvm.  The 'data' member contains the written data if 'is_write' is
 true, and should be filled by application code otherwise.
 
-NOTE: For KVM_EXIT_IO and KVM_EXIT_MMIO, the corresponding operations
-are complete (and guest state is consistent) only after userspace has
-re-entered the kernel with KVM_RUN.  The kernel side will first finish
+NOTE: For KVM_EXIT_IO, KVM_EXIT_MMIO and KVM_EXIT_OSI, the corresponding
+operations are complete (and guest state is consistent) only after userspace
+has re-entered the kernel with KVM_RUN.  The kernel side will first finish
 incomplete operations and then check for pending signals.  Userspace
 can re-enter the guest with an unmasked signal pending to complete
 pending operations.
@@ -1015,6 +1015,19 @@ s390 specific.
 
 powerpc specific.
 
+		/* KVM_EXIT_OSI */
+		struct {
+			__u64 gprs[32];
+		} osi;
+
+MOL uses a special hypercall interface it calls 'OSI'. To enable it, we catch
+hypercalls and exit with this exit struct that contains all the guest gprs.
+
+If exit_reason is KVM_EXIT_OSI, then the vcpu has triggered such a hypercall.
+Userspace can now handle the hypercall and when it's done modify the gprs as
+necessary. Upon guest entry all guest GPRs will then be replaced by the values
+in this struct.
+
 		/* Fix the size of the union. */
 		char padding[256];
 	};
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index bea76371dbe..7e243b2cac7 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -148,6 +148,11 @@ static inline ulong dsisr(void)
 
 extern void kvm_return_point(void);
 
+/* Magic register values loaded into r3 and r4 before the 'sc' assembly
+ * instruction for the OSI hypercalls */
+#define OSI_SC_MAGIC_R3			0x113724FA
+#define OSI_SC_MAGIC_R4			0x77810F9B
+
 #define INS_DCBZ			0x7c0007ec
 
 #endif /* __ASM_KVM_BOOK3S_H__ */
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 0ebda67ad6a..486f1cafd5f 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -273,6 +273,8 @@ struct kvm_vcpu_arch {
 	u8 mmio_sign_extend;
 	u8 dcr_needed;
 	u8 dcr_is_write;
+	u8 osi_needed;
+	u8 osi_enabled;
 
 	u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
 
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index de12202fe1c..7696d0f547e 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -872,12 +872,24 @@ program_interrupt:
 		break;
 	}
 	case BOOK3S_INTERRUPT_SYSCALL:
-#ifdef EXIT_DEBUG
-		printk(KERN_INFO "Syscall Nr %d\n", (int)kvmppc_get_gpr(vcpu, 0));
-#endif
-		vcpu->stat.syscall_exits++;
-		kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
-		r = RESUME_GUEST;
+		// XXX make user settable
+		if (vcpu->arch.osi_enabled &&
+		    (((u32)kvmppc_get_gpr(vcpu, 3)) == OSI_SC_MAGIC_R3) &&
+		    (((u32)kvmppc_get_gpr(vcpu, 4)) == OSI_SC_MAGIC_R4)) {
+			u64 *gprs = run->osi.gprs;
+			int i;
+
+			run->exit_reason = KVM_EXIT_OSI;
+			for (i = 0; i < 32; i++)
+				gprs[i] = kvmppc_get_gpr(vcpu, i);
+			vcpu->arch.osi_needed = 1;
+			r = RESUME_HOST_NV;
+
+		} else {
+			vcpu->stat.syscall_exits++;
+			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
+			r = RESUME_GUEST;
+		}
 		break;
 	case BOOK3S_INTERRUPT_FP_UNAVAIL:
 	case BOOK3S_INTERRUPT_ALTIVEC:
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 646bfd256e5..9a4dd8146d3 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -151,6 +151,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_PPC_PAIRED_SINGLES:
 	case KVM_CAP_PPC_UNSET_IRQ:
 	case KVM_CAP_ENABLE_CAP:
+	case KVM_CAP_PPC_OSI:
 		r = 1;
 		break;
 	case KVM_CAP_COALESCED_MMIO:
@@ -433,6 +434,13 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
 		if (!vcpu->arch.dcr_is_write)
 			kvmppc_complete_dcr_load(vcpu, run);
 		vcpu->arch.dcr_needed = 0;
+	} else if (vcpu->arch.osi_needed) {
+		u64 *gprs = run->osi.gprs;
+		int i;
+
+		for (i = 0; i < 32; i++)
+			kvmppc_set_gpr(vcpu, i, gprs[i]);
+		vcpu->arch.osi_needed = 0;
 	}
 
 	kvmppc_core_deliver_interrupts(vcpu);
@@ -475,6 +483,10 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
 		return -EINVAL;
 
 	switch (cap->cap) {
+	case KVM_CAP_PPC_OSI:
+		r = 0;
+		vcpu->arch.osi_enabled = true;
+		break;
 	default:
 		r = -EINVAL;
 		break;
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index ecb68e43355..23ea0225390 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -160,6 +160,7 @@ struct kvm_pit_config {
 #define KVM_EXIT_DCR              15
 #define KVM_EXIT_NMI              16
 #define KVM_EXIT_INTERNAL_ERROR   17
+#define KVM_EXIT_OSI              18
 
 /* For KVM_EXIT_INTERNAL_ERROR */
 #define KVM_INTERNAL_ERROR_EMULATION 1
@@ -259,6 +260,10 @@ struct kvm_run {
 			__u32 ndata;
 			__u64 data[16];
 		} internal;
+		/* KVM_EXIT_OSI */
+		struct {
+			__u64 gprs[32];
+		} osi;
 		/* Fix the size of the union. */
 		char padding[256];
 	};
@@ -516,6 +521,7 @@ struct kvm_enable_cap {
 #define KVM_CAP_DEBUGREGS 50
 #endif
 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
+#define KVM_CAP_PPC_OSI 52
 #define KVM_CAP_PPC_UNSET_IRQ 53
 #define KVM_CAP_ENABLE_CAP 54
 

From a2b07664f6cd14836ff84a77f48566673dca00bb Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:31 +0100
Subject: [PATCH 1651/3638] KVM: PPC: Make build work without
 CONFIG_VSX/ALTIVEC

The FPU/Altivec/VSX enablement also brought access to some structure
elements that are only defined when the respective config options
are enabled.

Unfortuately I forgot to check for the config options at some places,
so let's do that now.

Unbreaks the build when CONFIG_VSX is not set.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 7696d0f547e..d2b3dabe2dc 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -609,7 +609,9 @@ void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr)
 {
 	struct thread_struct *t = &current->thread;
 	u64 *vcpu_fpr = vcpu->arch.fpr;
+#ifdef CONFIG_VSX
 	u64 *vcpu_vsx = vcpu->arch.vsr;
+#endif
 	u64 *thread_fpr = (u64*)t->fpr;
 	int i;
 
@@ -689,7 +691,9 @@ static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
 {
 	struct thread_struct *t = &current->thread;
 	u64 *vcpu_fpr = vcpu->arch.fpr;
+#ifdef CONFIG_VSX
 	u64 *vcpu_vsx = vcpu->arch.vsr;
+#endif
 	u64 *thread_fpr = (u64*)t->fpr;
 	int i;
 
@@ -1221,8 +1225,12 @@ int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
 {
 	int ret;
 	struct thread_struct ext_bkp;
+#ifdef CONFIG_ALTIVEC
 	bool save_vec = current->thread.used_vr;
+#endif
+#ifdef CONFIG_VSX
 	bool save_vsx = current->thread.used_vsr;
+#endif
 	ulong ext_msr;
 
 	/* No need to go into the guest when all we do is going out */

From 9fb244a2c215d1e16ee92cb164b7b61c8dfa3909 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:32 +0100
Subject: [PATCH 1652/3638] KVM: PPC: Fix dcbz emulation

On most systems we need to emulate dcbz when running 32 bit guests. So
far we've been rather slack, not giving correct DSISR values to the guest.

This patch makes the emulation more accurate, introducing a difference
between "page not mapped" and "write protection fault". While at it, it
also speeds up dcbz emulation by an order of magnitude by using kmap.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c            | 56 +++++++++++-----------------
 arch/powerpc/kvm/book3s_64_emulate.c | 19 ++++++++--
 2 files changed, 37 insertions(+), 38 deletions(-)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index d2b3dabe2dc..ed575849637 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -29,6 +29,7 @@
 #include <linux/gfp.h>
 #include <linux/sched.h>
 #include <linux/vmalloc.h>
+#include <linux/highmem.h>
 
 #define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU
 
@@ -369,34 +370,29 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
  */
 static void kvmppc_patch_dcbz(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte)
 {
-	bool touched = false;
-	hva_t hpage;
+	struct page *hpage;
+	u64 hpage_offset;
 	u32 *page;
 	int i;
 
-	hpage = gfn_to_hva(vcpu->kvm, pte->raddr >> PAGE_SHIFT);
-	if (kvm_is_error_hva(hpage))
+	hpage = gfn_to_page(vcpu->kvm, pte->raddr >> PAGE_SHIFT);
+	if (is_error_page(hpage))
 		return;
 
-	hpage |= pte->raddr & ~PAGE_MASK;
-	hpage &= ~0xFFFULL;
+	hpage_offset = pte->raddr & ~PAGE_MASK;
+	hpage_offset &= ~0xFFFULL;
+	hpage_offset /= 4;
 
-	page = vmalloc(HW_PAGE_SIZE);
+	get_page(hpage);
+	page = kmap_atomic(hpage, KM_USER0);
 
-	if (copy_from_user(page, (void __user *)hpage, HW_PAGE_SIZE))
-		goto out;
+	/* patch dcbz into reserved instruction, so we trap */
+	for (i=hpage_offset; i < hpage_offset + (HW_PAGE_SIZE / 4); i++)
+		if ((page[i] & 0xff0007ff) == INS_DCBZ)
+			page[i] &= 0xfffffff7;
 
-	for (i=0; i < HW_PAGE_SIZE / 4; i++)
-		if ((page[i] & 0xff0007ff) == INS_DCBZ) {
-			page[i] &= 0xfffffff7; // reserved instruction, so we trap
-			touched = true;
-		}
-
-	if (touched)
-		copy_to_user((void __user *)hpage, page, HW_PAGE_SIZE);
-
-out:
-	vfree(page);
+	kunmap_atomic(page, KM_USER0);
+	put_page(hpage);
 }
 
 static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data,
@@ -449,30 +445,21 @@ int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
 	      bool data)
 {
 	struct kvmppc_pte pte;
-	hva_t hva = *eaddr;
 
 	vcpu->stat.st++;
 
 	if (kvmppc_xlate(vcpu, *eaddr, data, &pte))
-		goto nopte;
+		return -ENOENT;
 
 	*eaddr = pte.raddr;
 
-	hva = kvmppc_pte_to_hva(vcpu, &pte, false);
-	if (kvm_is_error_hva(hva))
-		goto mmio;
+	if (!pte.may_write)
+		return -EPERM;
 
-	if (copy_to_user((void __user *)hva, ptr, size)) {
-		printk(KERN_INFO "kvmppc_st at 0x%lx failed\n", hva);
-		goto mmio;
-	}
+	if (kvm_write_guest(vcpu->kvm, pte.raddr, ptr, size))
+		return EMULATE_DO_MMIO;
 
 	return EMULATE_DONE;
-
-nopte:
-	return -ENOENT;
-mmio:
-	return EMULATE_DO_MMIO;
 }
 
 int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
@@ -787,6 +774,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			 *     that no guest that needs the dcbz hack does NX.
 			 */
 			kvmppc_mmu_pte_flush(vcpu, vcpu->arch.pc, ~0xFFFULL);
+			r = RESUME_GUEST;
 		} else {
 			vcpu->arch.msr |= vcpu->arch.shadow_srr1 & 0x58000000;
 			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index 1e5cf8d594e..bbd15906900 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -189,6 +189,8 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			ulong ra = 0;
 			ulong addr, vaddr;
 			u32 zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+			u32 dsisr;
+			int r;
 
 			if (get_ra(inst))
 				ra = kvmppc_get_gpr(vcpu, get_ra(inst));
@@ -198,14 +200,23 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 				addr &= 0xffffffff;
 			vaddr = addr;
 
-			if (kvmppc_st(vcpu, &addr, 32, zeros, true)) {
+			r = kvmppc_st(vcpu, &addr, 32, zeros, true);
+			if ((r == -ENOENT) || (r == -EPERM)) {
+				*advance = 0;
 				vcpu->arch.dear = vaddr;
 				vcpu->arch.fault_dear = vaddr;
-				to_book3s(vcpu)->dsisr = DSISR_PROTFAULT |
-						      DSISR_ISSTORE;
+
+				dsisr = DSISR_ISSTORE;
+				if (r == -ENOENT)
+					dsisr |= DSISR_NOHPTE;
+				else if (r == -EPERM)
+					dsisr |= DSISR_PROTFAULT;
+
+				to_book3s(vcpu)->dsisr = dsisr;
+				vcpu->arch.fault_dsisr = dsisr;
+
 				kvmppc_book3s_queue_irqprio(vcpu,
 					BOOK3S_INTERRUPT_DATA_STORAGE);
-				kvmppc_mmu_pte_flush(vcpu, vaddr, ~0xFFFULL);
 			}
 
 			break;

From bd7cdbb7fcd135a399ebb855dc9106747ee2e6ba Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:33 +0100
Subject: [PATCH 1653/3638] KVM: PPC: Add emulation for dcba

Mac OS X uses the dcba instruction. According to the specification it doesn't
guarantee any functionality, so let's just emulate it as nop.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_emulate.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index bbd15906900..8f50776a9a1 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -37,6 +37,7 @@
 #define OP_31_XOP_SLBIA		498
 #define OP_31_XOP_MFSR		595
 #define OP_31_XOP_MFSRIN	659
+#define OP_31_XOP_DCBA		758
 #define OP_31_XOP_SLBMFEV	851
 #define OP_31_XOP_EIOIO		854
 #define OP_31_XOP_SLBMFEE	915
@@ -183,6 +184,9 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 				kvmppc_set_gpr(vcpu, get_rt(inst), t);
 			}
 			break;
+		case OP_31_XOP_DCBA:
+			/* Gets treated as NOP */
+			break;
 		case OP_31_XOP_DCBZ:
 		{
 			ulong rb = kvmppc_get_gpr(vcpu, get_rb(inst));

From a1eda280ccd5fee71a89a94030f96bca5faebe21 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:34 +0100
Subject: [PATCH 1654/3638] KVM: PPC: Add check if pte was mapped secondary

Some HTAB providers (namely the PS3) ignore the SECONDARY flag. They
just put an entry in the htab as secondary when they see fit.

So we need to check the return value of htab_insert to remember the
correct slot id so we can actually invalidate the entry again.

Fixes KVM on the PS3.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_mmu_host.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index 25bd4ede722..a01e9c5a3fc 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -270,6 +270,13 @@ map_again:
 			    (rflags & HPTE_R_N) ? '-' : 'x',
 			    orig_pte->eaddr, hpteg, va, orig_pte->vpage, hpaddr);
 
+		/* The ppc_md code may give us a secondary entry even though we
+		   asked for a primary. Fix up. */
+		if ((ret & _PTEIDX_SECONDARY) && !(vflags & HPTE_V_SECONDARY)) {
+			hash = ~hash;
+			hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP);
+		}
+
 		pte->slot = hpteg + (ret & 7);
 		pte->host_va = va;
 		pte->pte = *orig_pte;

From 5a1b419fc936af9f10766c889d83d80990ecd300 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:35 +0100
Subject: [PATCH 1655/3638] KVM: PPC: Use ULL for big numbers

Some constants were bigger than ints. Let's mark them as such so we don't
accidently truncate them.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 7e243b2cac7..8a6b4c54086 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -100,12 +100,12 @@ struct kvmppc_vcpu_book3s {
 #define CONTEXT_GUEST		1
 #define CONTEXT_GUEST_END	2
 
-#define VSID_REAL_DR	0x7ffffffffff00000
-#define VSID_REAL_IR	0x7fffffffffe00000
-#define VSID_SPLIT_MASK	0x7fffffffffe00000
-#define VSID_REAL	0x7fffffffffc00000
-#define VSID_BAT	0x7fffffffffb00000
-#define VSID_PR		0x8000000000000000
+#define VSID_REAL_DR	0x7ffffffffff00000ULL
+#define VSID_REAL_IR	0x7fffffffffe00000ULL
+#define VSID_SPLIT_MASK	0x7fffffffffe00000ULL
+#define VSID_REAL	0x7fffffffffc00000ULL
+#define VSID_BAT	0x7fffffffffb00000ULL
+#define VSID_PR		0x8000000000000000ULL
 
 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);

From 3ed9c6d2b5aa0ac365c52a2a3a370ac499f21e45 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:36 +0100
Subject: [PATCH 1656/3638] KVM: PPC: Make bools bitfields

Bool defaults to at least byte width. We usually only want to waste a single
bit on this. So let's move all the bool values to bitfields, potentially
saving memory.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h | 28 +++++++++++++--------------
 arch/powerpc/include/asm/kvm_host.h   |  6 +++---
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 8a6b4c54086..ee7992189c6 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -29,40 +29,40 @@ struct kvmppc_slb {
 	u64 vsid;
 	u64 orige;
 	u64 origv;
-	bool valid;
-	bool Ks;
-	bool Kp;
-	bool nx;
-	bool large;	/* PTEs are 16MB */
-	bool tb;	/* 1TB segment */
-	bool class;
+	bool valid	: 1;
+	bool Ks		: 1;
+	bool Kp		: 1;
+	bool nx		: 1;
+	bool large	: 1;	/* PTEs are 16MB */
+	bool tb		: 1;	/* 1TB segment */
+	bool class	: 1;
 };
 
 struct kvmppc_sr {
 	u32 raw;
 	u32 vsid;
-	bool Ks;
-	bool Kp;
-	bool nx;
-	bool valid;
+	bool Ks		: 1;
+	bool Kp		: 1;
+	bool nx		: 1;
+	bool valid	: 1;
 };
 
 struct kvmppc_bat {
 	u64 raw;
 	u32 bepi;
 	u32 bepi_mask;
-	bool vs;
-	bool vp;
 	u32 brpn;
 	u8 wimg;
 	u8 pp;
+	bool vs		: 1;
+	bool vp		: 1;
 };
 
 struct kvmppc_sid_map {
 	u64 guest_vsid;
 	u64 guest_esid;
 	u64 host_vsid;
-	bool valid;
+	bool valid	: 1;
 };
 
 #define SID_MAP_BITS    9
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 486f1cafd5f..5869a487e2e 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -127,9 +127,9 @@ struct kvmppc_pte {
 	u64 eaddr;
 	u64 vpage;
 	u64 raddr;
-	bool may_read;
-	bool may_write;
-	bool may_execute;
+	bool may_read		: 1;
+	bool may_write		: 1;
+	bool may_execute	: 1;
 };
 
 struct kvmppc_mmu {

From 05b0ab1c0bb526ac1056bab356ee92cfd6daa6fd Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 24 Mar 2010 21:48:37 +0100
Subject: [PATCH 1657/3638] KVM: PPC: Disable MSR_FEx for Cell hosts

Cell can't handle MSR_FE0 and MSR_FE1 too well. It gets dog slow.
So let's just override the guest whenever we see one of the two and mask them
out. See commit ddf5f75a16b3e7460ffee881795aa168dffcd0cf for reference.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index ed575849637..41c23b636f5 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -357,6 +357,10 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 	    !strcmp(cur_cpu_spec->platform, "ppc970"))
 		vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32;
 
+	/* Cell performs badly if MSR_FEx are set. So let's hope nobody
+	   really needs them in a VM on Cell and force disable them. */
+	if (!strcmp(cur_cpu_spec->platform, "ppc-cell-be"))
+		to_book3s(vcpu)->msr_mask &= ~(MSR_FE0 | MSR_FE1);
 }
 
 /* Book3s_32 CPUs always have 32 bytes cache line size, which Linux assumes. To

From 647dc49eebad2c30f823cae2bd8204b66c739f9c Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 1 Apr 2010 14:39:21 +0300
Subject: [PATCH 1658/3638] KVM: Document replacements for KVM_EXIT_HYPERCALL

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/api.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index 6f362356e73..baa8fde8bd1 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -974,7 +974,9 @@ pending operations.
 			__u32 pad;
 		} hypercall;
 
-Unused.
+Unused.  This was once used for 'hypercall to userspace'.  To implement
+such functionality, use KVM_EXIT_IO (x86) or KVM_EXIT_MMIO (all except s390).
+Note KVM_EXIT_IO is significantly faster than KVM_EXIT_MMIO.
 
 		/* KVM_EXIT_TPR_ACCESS */
 		struct {

From 287d5611fab5a42214d028b6f67fbd2ee977dcf2 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Thu, 1 Apr 2010 15:33:21 +0200
Subject: [PATCH 1659/3638] KVM: PPC: Only use QPRs when available

BookE KVM doesn't know about QPRs, so let's not try to access then.

This fixes a build error on BookE KVM.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/powerpc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 9a4dd8146d3..ffbe4cac5b1 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -335,6 +335,7 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
 	case KVM_REG_FPR:
 		vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
 		break;
+#ifdef CONFIG_PPC_BOOK3S
 	case KVM_REG_QPR:
 		vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
 		break;
@@ -342,6 +343,7 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
 		vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
 		vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
 		break;
+#endif
 	default:
 		BUG();
 	}

From 306d071f179c28c97688cb91c8585fd5ab840a9e Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Thu, 1 Apr 2010 15:33:22 +0200
Subject: [PATCH 1660/3638] KVM: PPC: Don't export Book3S symbols on BookE

Book3S knows how to convert floats to doubles and vice versa. BookE doesn't.
So let's make sure we don't export them on BookE.

This fixes a link error on BookE with CONFIG_KVM=y.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kernel/ppc_ksyms.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 58fdb3a784d..bc9f39d2598 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -101,8 +101,10 @@ EXPORT_SYMBOL(pci_dram_offset);
 EXPORT_SYMBOL(start_thread);
 EXPORT_SYMBOL(kernel_thread);
 
+#ifndef CONFIG_BOOKE
 EXPORT_SYMBOL_GPL(cvt_df);
 EXPORT_SYMBOL_GPL(cvt_fd);
+#endif
 EXPORT_SYMBOL(giveup_fpu);
 #ifdef CONFIG_ALTIVEC
 EXPORT_SYMBOL(giveup_altivec);

From 805d32dea4dfb8319aaf7e73a681ad410a5e331a Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Thu, 1 Apr 2010 16:50:45 +0800
Subject: [PATCH 1661/3638] KVM: MMU: cleanup/fix mmu audit code

This patch does:
- 'sp' parameter in inspect_spte_fn() is not used, so remove it
- fix 'kvm' and 'slots' is not defined in count_rmaps()
- fix a bug in inspect_spte_has_rmap()

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmu.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 1cc60d3f445..6ed7d633aef 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3182,8 +3182,7 @@ static gva_t canonicalize(gva_t gva)
 }
 
 
-typedef void (*inspect_spte_fn) (struct kvm *kvm, struct kvm_mmu_page *sp,
-				 u64 *sptep);
+typedef void (*inspect_spte_fn) (struct kvm *kvm, u64 *sptep);
 
 static void __mmu_spte_walk(struct kvm *kvm, struct kvm_mmu_page *sp,
 			    inspect_spte_fn fn)
@@ -3199,7 +3198,7 @@ static void __mmu_spte_walk(struct kvm *kvm, struct kvm_mmu_page *sp,
 				child = page_header(ent & PT64_BASE_ADDR_MASK);
 				__mmu_spte_walk(kvm, child, fn);
 			} else
-				fn(kvm, sp, &sp->spt[i]);
+				fn(kvm, &sp->spt[i]);
 		}
 	}
 }
@@ -3290,6 +3289,8 @@ static void audit_mappings(struct kvm_vcpu *vcpu)
 
 static int count_rmaps(struct kvm_vcpu *vcpu)
 {
+	struct kvm *kvm = vcpu->kvm;
+	struct kvm_memslots *slots;
 	int nmaps = 0;
 	int i, j, k, idx;
 
@@ -3323,7 +3324,7 @@ static int count_rmaps(struct kvm_vcpu *vcpu)
 	return nmaps;
 }
 
-void inspect_spte_has_rmap(struct kvm *kvm, struct kvm_mmu_page *sp, u64 *sptep)
+void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
 {
 	unsigned long *rmapp;
 	struct kvm_mmu_page *rev_sp;
@@ -3339,14 +3340,14 @@ void inspect_spte_has_rmap(struct kvm *kvm, struct kvm_mmu_page *sp, u64 *sptep)
 			printk(KERN_ERR "%s: no memslot for gfn %ld\n",
 					 audit_msg, gfn);
 			printk(KERN_ERR "%s: index %ld of sp (gfn=%lx)\n",
-					audit_msg, sptep - rev_sp->spt,
+			       audit_msg, (long int)(sptep - rev_sp->spt),
 					rev_sp->gfn);
 			dump_stack();
 			return;
 		}
 
 		rmapp = gfn_to_rmap(kvm, rev_sp->gfns[sptep - rev_sp->spt],
-				    is_large_pte(*sptep));
+				    rev_sp->role.level);
 		if (!*rmapp) {
 			if (!printk_ratelimit())
 				return;
@@ -3381,7 +3382,7 @@ static void check_writable_mappings_rmap(struct kvm_vcpu *vcpu)
 				continue;
 			if (!(ent & PT_WRITABLE_MASK))
 				continue;
-			inspect_spte_has_rmap(vcpu->kvm, sp, &pt[i]);
+			inspect_spte_has_rmap(vcpu->kvm, &pt[i]);
 		}
 	}
 	return;

From f84cbb0561d7cefb5fc050ee99d8c82ec9ce883d Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Tue, 6 Apr 2010 18:29:05 +0800
Subject: [PATCH 1662/3638] KVM: MMU: remove unused field

kvm_mmu_page.oos_link is not used, so remove it

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 2 --
 arch/x86/kvm/mmu.c              | 1 -
 2 files changed, 3 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 26c629a062d..0c49c888be6 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -187,8 +187,6 @@ struct kvm_mmu_page {
 	struct list_head link;
 	struct hlist_node hash_link;
 
-	struct list_head oos_link;
-
 	/*
 	 * The following two entries are used to key the shadow page in the
 	 * hash table.
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 6ed7d633aef..ec8900b6692 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -923,7 +923,6 @@ static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu,
 	sp->gfns = mmu_memory_cache_alloc(&vcpu->arch.mmu_page_cache, PAGE_SIZE);
 	set_page_private(virt_to_page(sp->spt), (unsigned long)sp);
 	list_add(&sp->link, &vcpu->kvm->arch.active_mmu_pages);
-	INIT_LIST_HEAD(&sp->oos_link);
 	bitmap_zero(sp->slot_bitmap, KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS);
 	sp->multimapped = 0;
 	sp->parent_pte = parent_pte;

From 24222c2fec75df30d56d1e2014d45d2559c94f1a Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Tue, 6 Apr 2010 18:31:13 +0800
Subject: [PATCH 1663/3638] KVM: MMU: remove unnecessary NX check in walk_addr

After is_rsvd_bits_set() checks, EFER.NXE must be enabled if NX bit is seted

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/paging_tmpl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 067797a7276..d9dea288e51 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -170,7 +170,7 @@ walk:
 			goto access_error;
 
 #if PTTYPE == 64
-		if (fetch_fault && is_nx(vcpu) && (pte & PT64_NX_MASK))
+		if (fetch_fault && (pte & PT64_NX_MASK))
 			goto access_error;
 #endif
 

From 4496f974825e2ee317c3cc94e41ec2db7eb73af8 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 7 Apr 2010 10:03:25 +0200
Subject: [PATCH 1664/3638] KVM: PPC: Add dequeue for external on BookE

Commit a0abee86af2d1f048dbe99d2bcc4a2cefe685617 introduced unsetting of the
IRQ line from userspace. This added a new core specific callback that I
apparently forgot to add for BookE.

So let's add the callback for BookE as well, making it build again.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/powerpc/kvm/booke.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 2a3a1953d4b..c9222407102 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -133,6 +133,12 @@ void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
 	kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_EXTERNAL);
 }
 
+void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
+                                  struct kvm_interrupt *irq)
+{
+	clear_bit(BOOKE_IRQPRIO_EXTERNAL, &vcpu->arch.pending_exceptions);
+}
+
 /* Deliver the interrupt of the corresponding priority, if possible. */
 static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
                                         unsigned int priority)

From 2fb53ad811e238d5dec8716b99986c3f234e3337 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Sun, 11 Apr 2010 13:05:15 +0300
Subject: [PATCH 1665/3638] KVM: x86 emulator: Don't overwrite decode cache

Currently if we an instruction spans a page boundary, when we fetch the
second half we overwrite the first half.  This prevents us from tracing
the full instruction opcodes.

Fix by appending the second half to the first.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 64c9854f045..083b269a83e 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -646,21 +646,22 @@ static unsigned long ss_base(struct x86_emulate_ctxt *ctxt)
 
 static int do_fetch_insn_byte(struct x86_emulate_ctxt *ctxt,
 			      struct x86_emulate_ops *ops,
-			      unsigned long linear, u8 *dest)
+			      unsigned long eip, u8 *dest)
 {
 	struct fetch_cache *fc = &ctxt->decode.fetch;
 	int rc;
-	int size;
+	int size, cur_size;
 
-	if (linear < fc->start || linear >= fc->end) {
-		size = min(15UL, PAGE_SIZE - offset_in_page(linear));
-		rc = ops->fetch(linear, fc->data, size, ctxt->vcpu, NULL);
+	if (eip == fc->end) {
+		cur_size = fc->end - fc->start;
+		size = min(15UL - cur_size, PAGE_SIZE - offset_in_page(eip));
+		rc = ops->fetch(ctxt->cs_base + eip, fc->data + cur_size,
+				size, ctxt->vcpu, NULL);
 		if (rc != X86EMUL_CONTINUE)
 			return rc;
-		fc->start = linear;
-		fc->end = linear + size;
+		fc->end += size;
 	}
-	*dest = fc->data[linear - fc->start];
+	*dest = fc->data[eip - fc->start];
 	return X86EMUL_CONTINUE;
 }
 
@@ -673,7 +674,6 @@ static int do_insn_fetch(struct x86_emulate_ctxt *ctxt,
 	/* x86 instructions are limited to 15 bytes. */
 	if (eip + size - ctxt->eip > 15)
 		return X86EMUL_UNHANDLEABLE;
-	eip += ctxt->cs_base;
 	while (size--) {
 		rc = do_fetch_insn_byte(ctxt, ops, eip++, dest++);
 		if (rc != X86EMUL_CONTINUE)
@@ -935,6 +935,7 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	/* Shadow copy of register state. Committed on successful emulation. */
 	memset(c, 0, sizeof(struct decode_cache));
 	c->eip = ctxt->eip;
+	c->fetch.start = c->fetch.end = c->eip;
 	ctxt->cs_base = seg_base(ctxt, VCPU_SREG_CS);
 	memcpy(c->regs, ctxt->vcpu->arch.regs, sizeof c->regs);
 

From e46479f852adab6027e4950d69400d967bf7bc6f Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Sun, 11 Apr 2010 13:05:16 +0300
Subject: [PATCH 1666/3638] KVM: Trace emulated instructions

Log emulated instructions in ftrace, especially if they failed.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/trace.h | 86 ++++++++++++++++++++++++++++++++++++++++++++
 arch/x86/kvm/x86.c   |  4 +++
 2 files changed, 90 insertions(+)

diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 32c912c40bf..a6544b8e7c0 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -603,6 +603,92 @@ TRACE_EVENT(kvm_skinit,
 		  __entry->rip, __entry->slb)
 );
 
+#define __print_insn(insn, ilen) ({		                 \
+	int i;							 \
+	const char *ret = p->buffer + p->len;			 \
+								 \
+	for (i = 0; i < ilen; ++i)				 \
+		trace_seq_printf(p, " %02x", insn[i]);		 \
+	trace_seq_printf(p, "%c", 0);				 \
+	ret;							 \
+	})
+
+#define KVM_EMUL_INSN_F_CR0_PE (1 << 0)
+#define KVM_EMUL_INSN_F_EFL_VM (1 << 1)
+#define KVM_EMUL_INSN_F_CS_D   (1 << 2)
+#define KVM_EMUL_INSN_F_CS_L   (1 << 3)
+
+#define kvm_trace_symbol_emul_flags	                  \
+	{ 0,   			    "real" },		  \
+	{ KVM_EMUL_INSN_F_CR0_PE			  \
+	  | KVM_EMUL_INSN_F_EFL_VM, "vm16" },		  \
+	{ KVM_EMUL_INSN_F_CR0_PE,   "prot16" },		  \
+	{ KVM_EMUL_INSN_F_CR0_PE			  \
+	  | KVM_EMUL_INSN_F_CS_D,   "prot32" },		  \
+	{ KVM_EMUL_INSN_F_CR0_PE			  \
+	  | KVM_EMUL_INSN_F_CS_L,   "prot64" }
+
+#define kei_decode_mode(mode) ({			\
+	u8 flags = 0xff;				\
+	switch (mode) {					\
+	case X86EMUL_MODE_REAL:				\
+		flags = 0;				\
+		break;					\
+	case X86EMUL_MODE_VM86:				\
+		flags = KVM_EMUL_INSN_F_EFL_VM;		\
+		break;					\
+	case X86EMUL_MODE_PROT16:			\
+		flags = KVM_EMUL_INSN_F_CR0_PE;		\
+		break;					\
+	case X86EMUL_MODE_PROT32:			\
+		flags = KVM_EMUL_INSN_F_CR0_PE		\
+			| KVM_EMUL_INSN_F_CS_D;		\
+		break;					\
+	case X86EMUL_MODE_PROT64:			\
+		flags = KVM_EMUL_INSN_F_CR0_PE		\
+			| KVM_EMUL_INSN_F_CS_L;		\
+		break;					\
+	}						\
+	flags;						\
+	})
+
+TRACE_EVENT(kvm_emulate_insn,
+	TP_PROTO(struct kvm_vcpu *vcpu, __u8 failed),
+	TP_ARGS(vcpu, failed),
+
+	TP_STRUCT__entry(
+		__field(    __u64, rip                       )
+		__field(    __u32, csbase                    )
+		__field(    __u8,  len                       )
+		__array(    __u8,  insn,    15	             )
+		__field(    __u8,  flags       	   	     )
+		__field(    __u8,  failed                    )
+		),
+
+	TP_fast_assign(
+		__entry->rip = vcpu->arch.emulate_ctxt.decode.fetch.start;
+		__entry->csbase = kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS);
+		__entry->len = vcpu->arch.emulate_ctxt.decode.eip
+			       - vcpu->arch.emulate_ctxt.decode.fetch.start;
+		memcpy(__entry->insn,
+		       vcpu->arch.emulate_ctxt.decode.fetch.data,
+		       15);
+		__entry->flags = kei_decode_mode(vcpu->arch.emulate_ctxt.mode);
+		__entry->failed = failed;
+		),
+
+	TP_printk("%x:%llx:%s (%s)%s",
+		  __entry->csbase, __entry->rip,
+		  __print_insn(__entry->insn, __entry->len),
+		  __print_symbolic(__entry->flags,
+				   kvm_trace_symbol_emul_flags),
+		  __entry->failed ? " failed" : ""
+		)
+	);
+
+#define trace_kvm_emulate_insn_start(vcpu) trace_kvm_emulate_insn(vcpu, 0)
+#define trace_kvm_emulate_insn_failed(vcpu) trace_kvm_emulate_insn(vcpu, 1)
+
 #endif /* _TRACE_KVM_H */
 
 #undef TRACE_INCLUDE_PATH
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 247e805a041..33a40c544c7 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3718,6 +3718,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 			? X86EMUL_MODE_PROT32 : X86EMUL_MODE_PROT16;
 
 		r = x86_decode_insn(&vcpu->arch.emulate_ctxt, &emulate_ops);
+		trace_kvm_emulate_insn_start(vcpu);
 
 		/* Only allow emulation of specific instructions on #UD
 		 * (namely VMMCALL, sysenter, sysexit, syscall)*/
@@ -3750,6 +3751,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 		++vcpu->stat.insn_emulation;
 		if (r)  {
 			++vcpu->stat.insn_emulation_fail;
+			trace_kvm_emulate_insn_failed(vcpu);
 			if (kvm_mmu_unprotect_page_virt(vcpu, cr2))
 				return EMULATE_DONE;
 			return EMULATE_FAIL;
@@ -3786,6 +3788,8 @@ restart:
 		if (kvm_mmu_unprotect_page_virt(vcpu, cr2))
 			goto done;
 		if (!vcpu->mmio_needed) {
+			++vcpu->stat.insn_emulation_fail;
+			trace_kvm_emulate_insn_failed(vcpu);
 			kvm_report_emulation_failure(vcpu, "mmio");
 			return EMULATE_FAIL;
 		}

From f7a711971edd952352a89698db1d36f469e25f77 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Sun, 11 Apr 2010 15:33:32 +0300
Subject: [PATCH 1667/3638] KVM: Fix MAXPHYADDR calculation when cpuid does not
 support it

MAXPHYADDR is derived from cpuid 0x80000008, but when that isn't present, we
get some random value.

Fix by checking first that cpuid 0x80000008 is supported.

Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 33a40c544c7..d65e481c5fa 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4171,9 +4171,13 @@ int cpuid_maxphyaddr(struct kvm_vcpu *vcpu)
 {
 	struct kvm_cpuid_entry2 *best;
 
+	best = kvm_find_cpuid_entry(vcpu, 0x80000000, 0);
+	if (!best || best->eax < 0x80000008)
+		goto not_found;
 	best = kvm_find_cpuid_entry(vcpu, 0x80000008, 0);
 	if (best)
 		return best->eax & 0xff;
+not_found:
 	return 36;
 }
 

From 6bc31bdc55cad6609b1610b4cecad312664f2808 Mon Sep 17 00:00:00 2001
From: Andre Przywara <andre.przywara@amd.com>
Date: Sun, 11 Apr 2010 23:07:28 +0200
Subject: [PATCH 1668/3638] KVM: SVM: implement NEXTRIPsave SVM feature

On SVM we set the instruction length of skipped instructions
to hard-coded, well known values, which could be wrong when (bogus,
but valid) prefixes (REX, segment override) are used.
Newer AMD processors (Fam10h 45nm and better, aka. PhenomII or
AthlonII) have an explicit NEXTRIP field in the VMCB containing the
desired information.
Since it is cheap to do so, we use this field to override the guessed
value on newer processors.
A fix for older CPUs would be rather expensive, as it would require
to fetch and partially decode the instruction. As the problem is not
a security issue and needs special, handcrafted code to trigger
(no compiler will ever generate such code), I omit a fix for older
CPUs.
If someone is interested, I have both a patch for these CPUs as well as
demo code triggering this issue: It segfaults under KVM, but runs
perfectly on native Linux.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/svm.h |  4 +++-
 arch/x86/kvm/svm.c         | 13 ++++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index b26a38d8535..1d91d05f936 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -81,7 +81,9 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
 	u32 event_inj_err;
 	u64 nested_cr3;
 	u64 lbr_ctl;
-	u8 reserved_5[832];
+	u64 reserved_5;
+	u64 next_rip;
+	u8 reserved_6[816];
 };
 
 
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index e9f79619e18..64b7f60dc5b 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -44,11 +44,11 @@ MODULE_LICENSE("GPL");
 #define SEG_TYPE_LDT 2
 #define SEG_TYPE_BUSY_TSS16 3
 
-#define SVM_FEATURE_NPT  (1 << 0)
-#define SVM_FEATURE_LBRV (1 << 1)
-#define SVM_FEATURE_SVML (1 << 2)
-#define SVM_FEATURE_NRIP (1 << 3)
-#define SVM_FEATURE_PAUSE_FILTER (1 << 10)
+#define SVM_FEATURE_NPT            (1 <<  0)
+#define SVM_FEATURE_LBRV           (1 <<  1)
+#define SVM_FEATURE_SVML           (1 <<  2)
+#define SVM_FEATURE_NRIP           (1 <<  3)
+#define SVM_FEATURE_PAUSE_FILTER   (1 << 10)
 
 #define NESTED_EXIT_HOST	0	/* Exit handled on host level */
 #define NESTED_EXIT_DONE	1	/* Exit caused nested vmexit  */
@@ -320,6 +320,9 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
+	if (svm->vmcb->control.next_rip != 0)
+		svm->next_rip = svm->vmcb->control.next_rip;
+
 	if (!svm->next_rip) {
 		if (emulate_instruction(vcpu, 0, 0, EMULTYPE_SKIP) !=
 				EMULATE_DONE)

From 020df0794f5764e742feaa718be88b8f1b4ce04f Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Tue, 13 Apr 2010 10:05:23 +0300
Subject: [PATCH 1669/3638] KVM: move DR register access handling into generic
 code

Currently both SVM and VMX have their own DR handling code. Move it to
x86.c.

Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h |  5 ++-
 arch/x86/kvm/svm.c              | 66 ++--------------------------
 arch/x86/kvm/vmx.c              | 78 +++++----------------------------
 arch/x86/kvm/x86.c              | 78 ++++++++++++++++++++++++++++++++-
 4 files changed, 93 insertions(+), 134 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 0c49c888be6..5d5e0a9afcf 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -496,8 +496,7 @@ struct kvm_x86_ops {
 	void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
 	void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
 	void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
-	int (*get_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long *dest);
-	int (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value);
+	void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value);
 	void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
 	unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
 	void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
@@ -602,6 +601,8 @@ void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
 void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
 void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
 void kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
+int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val);
+int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val);
 unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu);
 void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
 void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 64b7f60dc5b..87b36fbbfec 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1307,70 +1307,11 @@ static void new_asid(struct vcpu_svm *svm, struct svm_cpu_data *sd)
 	svm->vmcb->control.asid = sd->next_asid++;
 }
 
-static int svm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *dest)
+static void svm_set_dr7(struct kvm_vcpu *vcpu, unsigned long value)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	switch (dr) {
-	case 0 ... 3:
-		*dest = vcpu->arch.db[dr];
-		break;
-	case 4:
-		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE))
-			return EMULATE_FAIL; /* will re-inject UD */
-		/* fall through */
-	case 6:
-		if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
-			*dest = vcpu->arch.dr6;
-		else
-			*dest = svm->vmcb->save.dr6;
-		break;
-	case 5:
-		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE))
-			return EMULATE_FAIL; /* will re-inject UD */
-		/* fall through */
-	case 7:
-		if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
-			*dest = vcpu->arch.dr7;
-		else
-			*dest = svm->vmcb->save.dr7;
-		break;
-	}
-
-	return EMULATE_DONE;
-}
-
-static int svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value)
-{
-	struct vcpu_svm *svm = to_svm(vcpu);
-
-	switch (dr) {
-	case 0 ... 3:
-		vcpu->arch.db[dr] = value;
-		if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP))
-			vcpu->arch.eff_db[dr] = value;
-		break;
-	case 4:
-		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE))
-			return EMULATE_FAIL; /* will re-inject UD */
-		/* fall through */
-	case 6:
-		vcpu->arch.dr6 = (value & DR6_VOLATILE) | DR6_FIXED_1;
-		break;
-	case 5:
-		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE))
-			return EMULATE_FAIL; /* will re-inject UD */
-		/* fall through */
-	case 7:
-		vcpu->arch.dr7 = (value & DR7_VOLATILE) | DR7_FIXED_1;
-		if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) {
-			svm->vmcb->save.dr7 = vcpu->arch.dr7;
-			vcpu->arch.switch_db_regs = (value & DR7_BP_EN_MASK);
-		}
-		break;
-	}
-
-	return EMULATE_DONE;
+	svm->vmcb->save.dr7 = value;
 }
 
 static int pf_interception(struct vcpu_svm *svm)
@@ -3302,8 +3243,7 @@ static struct kvm_x86_ops svm_x86_ops = {
 	.set_idt = svm_set_idt,
 	.get_gdt = svm_get_gdt,
 	.set_gdt = svm_set_gdt,
-	.get_dr = svm_get_dr,
-	.set_dr = svm_set_dr,
+	.set_dr7 = svm_set_dr7,
 	.cache_reg = svm_cache_reg,
 	.get_rflags = svm_get_rflags,
 	.set_rflags = svm_set_rflags,
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 1cceca1c59b..fb4a8869bb9 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3089,19 +3089,9 @@ static int handle_cr(struct kvm_vcpu *vcpu)
 	return 0;
 }
 
-static int check_dr_alias(struct kvm_vcpu *vcpu)
-{
-	if (kvm_read_cr4_bits(vcpu, X86_CR4_DE)) {
-		kvm_queue_exception(vcpu, UD_VECTOR);
-		return -1;
-	}
-	return 0;
-}
-
 static int handle_dr(struct kvm_vcpu *vcpu)
 {
 	unsigned long exit_qualification;
-	unsigned long val;
 	int dr, reg;
 
 	/* Do not handle if the CPL > 0, will trigger GP on re-entry */
@@ -3136,67 +3126,20 @@ static int handle_dr(struct kvm_vcpu *vcpu)
 	dr = exit_qualification & DEBUG_REG_ACCESS_NUM;
 	reg = DEBUG_REG_ACCESS_REG(exit_qualification);
 	if (exit_qualification & TYPE_MOV_FROM_DR) {
-		switch (dr) {
-		case 0 ... 3:
-			val = vcpu->arch.db[dr];
-			break;
-		case 4:
-			if (check_dr_alias(vcpu) < 0)
-				return 1;
-			/* fall through */
-		case 6:
-			val = vcpu->arch.dr6;
-			break;
-		case 5:
-			if (check_dr_alias(vcpu) < 0)
-				return 1;
-			/* fall through */
-		default: /* 7 */
-			val = vcpu->arch.dr7;
-			break;
-		}
-		kvm_register_write(vcpu, reg, val);
-	} else {
-		val = vcpu->arch.regs[reg];
-		switch (dr) {
-		case 0 ... 3:
-			vcpu->arch.db[dr] = val;
-			if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP))
-				vcpu->arch.eff_db[dr] = val;
-			break;
-		case 4:
-			if (check_dr_alias(vcpu) < 0)
-				return 1;
-			/* fall through */
-		case 6:
-			if (val & 0xffffffff00000000ULL) {
-				kvm_inject_gp(vcpu, 0);
-				return 1;
-			}
-			vcpu->arch.dr6 = (val & DR6_VOLATILE) | DR6_FIXED_1;
-			break;
-		case 5:
-			if (check_dr_alias(vcpu) < 0)
-				return 1;
-			/* fall through */
-		default: /* 7 */
-			if (val & 0xffffffff00000000ULL) {
-				kvm_inject_gp(vcpu, 0);
-				return 1;
-			}
-			vcpu->arch.dr7 = (val & DR7_VOLATILE) | DR7_FIXED_1;
-			if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) {
-				vmcs_writel(GUEST_DR7, vcpu->arch.dr7);
-				vcpu->arch.switch_db_regs =
-					(val & DR7_BP_EN_MASK);
-			}
-			break;
-		}
-	}
+		unsigned long val;
+		if (!kvm_get_dr(vcpu, dr, &val))
+			kvm_register_write(vcpu, reg, val);
+	} else
+		kvm_set_dr(vcpu, dr, vcpu->arch.regs[reg]);
 	skip_emulated_instruction(vcpu);
 	return 1;
 }
 
+static void vmx_set_dr7(struct kvm_vcpu *vcpu, unsigned long val)
+{
+	vmcs_writel(GUEST_DR7, val);
+}
+
 static int handle_cpuid(struct kvm_vcpu *vcpu)
 {
 	kvm_emulate_cpuid(vcpu);
@@ -4187,6 +4130,7 @@ static struct kvm_x86_ops vmx_x86_ops = {
 	.set_idt = vmx_set_idt,
 	.get_gdt = vmx_get_gdt,
 	.set_gdt = vmx_set_gdt,
+	.set_dr7 = vmx_set_dr7,
 	.cache_reg = vmx_cache_reg,
 	.get_rflags = vmx_get_rflags,
 	.set_rflags = vmx_set_rflags,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d65e481c5fa..09dccac2df7 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -562,6 +562,80 @@ unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu)
 }
 EXPORT_SYMBOL_GPL(kvm_get_cr8);
 
+int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val)
+{
+	switch (dr) {
+	case 0 ... 3:
+		vcpu->arch.db[dr] = val;
+		if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP))
+			vcpu->arch.eff_db[dr] = val;
+		break;
+	case 4:
+		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE)) {
+			kvm_queue_exception(vcpu, UD_VECTOR);
+			return 1;
+		}
+		/* fall through */
+	case 6:
+		if (val & 0xffffffff00000000ULL) {
+			kvm_inject_gp(vcpu, 0);
+			return 1;
+		}
+		vcpu->arch.dr6 = (val & DR6_VOLATILE) | DR6_FIXED_1;
+		break;
+	case 5:
+		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE)) {
+			kvm_queue_exception(vcpu, UD_VECTOR);
+			return 1;
+		}
+		/* fall through */
+	default: /* 7 */
+		if (val & 0xffffffff00000000ULL) {
+			kvm_inject_gp(vcpu, 0);
+			return 1;
+		}
+		vcpu->arch.dr7 = (val & DR7_VOLATILE) | DR7_FIXED_1;
+		if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) {
+			kvm_x86_ops->set_dr7(vcpu, vcpu->arch.dr7);
+			vcpu->arch.switch_db_regs = (val & DR7_BP_EN_MASK);
+		}
+		break;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(kvm_set_dr);
+
+int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val)
+{
+	switch (dr) {
+	case 0 ... 3:
+		*val = vcpu->arch.db[dr];
+		break;
+	case 4:
+		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE)) {
+			kvm_queue_exception(vcpu, UD_VECTOR);
+			return 1;
+		}
+		/* fall through */
+	case 6:
+		*val = vcpu->arch.dr6;
+		break;
+	case 5:
+		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE)) {
+			kvm_queue_exception(vcpu, UD_VECTOR);
+			return 1;
+		}
+		/* fall through */
+	default: /* 7 */
+		*val = vcpu->arch.dr7;
+		break;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(kvm_get_dr);
+
 static inline u32 bit(int bitno)
 {
 	return 1 << (bitno & 31);
@@ -3483,14 +3557,14 @@ int emulate_clts(struct kvm_vcpu *vcpu)
 
 int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long *dest)
 {
-	return kvm_x86_ops->get_dr(ctxt->vcpu, dr, dest);
+	return kvm_get_dr(ctxt->vcpu, dr, dest);
 }
 
 int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long value)
 {
 	unsigned long mask = (ctxt->mode == X86EMUL_MODE_PROT64) ? ~0ULL : ~0U;
 
-	return kvm_x86_ops->set_dr(ctxt->vcpu, dr, value & mask);
+	return kvm_set_dr(ctxt->vcpu, dr, value & mask);
 }
 
 void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context)

From 660c22c425cbe14badfb3b0a0206862577701ab7 Mon Sep 17 00:00:00 2001
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Tue, 13 Apr 2010 22:47:24 +0900
Subject: [PATCH 1670/3638] KVM: limit the number of pages per memory slot

This patch limits the number of pages per memory slot to make
us free from extra care about type issues.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 include/linux/kvm_host.h |  6 ++++++
 virt/kvm/kvm_main.c      | 11 ++++++-----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 169d07758ee..55830638aeb 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -105,6 +105,12 @@ struct kvm_vcpu {
 	struct kvm_vcpu_arch arch;
 };
 
+/*
+ * Some of the bitops functions do not support too long bitmaps.
+ * This number must be determined not to exceed such limits.
+ */
+#define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)
+
 struct kvm_memory_slot {
 	gfn_t base_gfn;
 	unsigned long npages;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 55a5d480449..d6351a34b29 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -557,6 +557,10 @@ int __kvm_set_memory_region(struct kvm *kvm,
 	base_gfn = mem->guest_phys_addr >> PAGE_SHIFT;
 	npages = mem->memory_size >> PAGE_SHIFT;
 
+	r = -EINVAL;
+	if (npages > KVM_MEM_MAX_NR_PAGES)
+		goto out;
+
 	if (!npages)
 		mem->flags &= ~KVM_MEM_LOG_DIRTY_PAGES;
 
@@ -1187,13 +1191,10 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn)
 	memslot = gfn_to_memslot_unaliased(kvm, gfn);
 	if (memslot && memslot->dirty_bitmap) {
 		unsigned long rel_gfn = gfn - memslot->base_gfn;
-		unsigned long *p = memslot->dirty_bitmap +
-					rel_gfn / BITS_PER_LONG;
-		int offset = rel_gfn % BITS_PER_LONG;
 
 		/* avoid RMW */
-		if (!generic_test_le_bit(offset, p))
-			generic___set_le_bit(offset, p);
+		if (!generic_test_le_bit(rel_gfn, memslot->dirty_bitmap))
+			generic___set_le_bit(rel_gfn, memslot->dirty_bitmap);
 	}
 }
 

From 8f6abd06f521112a0a3bc906df273fa3ce0a9387 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Tue, 13 Apr 2010 10:21:56 +0300
Subject: [PATCH 1671/3638] KVM: x86: get rid of mmu_only parameter in
 emulator_write_emulated()

We can call kvm_mmu_pte_write() directly from
emulator_cmpxchg_emulated() instead of passing mmu_only down to
emulator_write_emulated_onepage() and call it there.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 36 +++++++++++-------------------------
 1 file changed, 11 insertions(+), 25 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 09dccac2df7..40991527f54 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3322,8 +3322,7 @@ int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
 static int emulator_write_emulated_onepage(unsigned long addr,
 					   const void *val,
 					   unsigned int bytes,
-					   struct kvm_vcpu *vcpu,
-					   bool mmu_only)
+					   struct kvm_vcpu *vcpu)
 {
 	gpa_t                 gpa;
 	u32 error_code;
@@ -3339,10 +3338,6 @@ static int emulator_write_emulated_onepage(unsigned long addr,
 	if ((gpa & PAGE_MASK) == APIC_DEFAULT_PHYS_BASE)
 		goto mmio;
 
-	if (mmu_only) {
-		kvm_mmu_pte_write(vcpu, gpa, val, bytes, 1);
-		return X86EMUL_CONTINUE;
-	}
 	if (emulator_write_phys(vcpu, gpa, val, bytes))
 		return X86EMUL_CONTINUE;
 
@@ -3363,35 +3358,24 @@ mmio:
 	return X86EMUL_CONTINUE;
 }
 
-int __emulator_write_emulated(unsigned long addr,
-				   const void *val,
-				   unsigned int bytes,
-				   struct kvm_vcpu *vcpu,
-				   bool mmu_only)
+int emulator_write_emulated(unsigned long addr,
+			    const void *val,
+			    unsigned int bytes,
+			    struct kvm_vcpu *vcpu)
 {
 	/* Crossing a page boundary? */
 	if (((addr + bytes - 1) ^ addr) & PAGE_MASK) {
 		int rc, now;
 
 		now = -addr & ~PAGE_MASK;
-		rc = emulator_write_emulated_onepage(addr, val, now, vcpu,
-						     mmu_only);
+		rc = emulator_write_emulated_onepage(addr, val, now, vcpu);
 		if (rc != X86EMUL_CONTINUE)
 			return rc;
 		addr += now;
 		val += now;
 		bytes -= now;
 	}
-	return emulator_write_emulated_onepage(addr, val, bytes, vcpu,
-					       mmu_only);
-}
-
-int emulator_write_emulated(unsigned long addr,
-				   const void *val,
-				   unsigned int bytes,
-				   struct kvm_vcpu *vcpu)
-{
-	return __emulator_write_emulated(addr, val, bytes, vcpu, false);
+	return emulator_write_emulated_onepage(addr, val, bytes, vcpu);
 }
 EXPORT_SYMBOL_GPL(emulator_write_emulated);
 
@@ -3455,7 +3439,9 @@ static int emulator_cmpxchg_emulated(unsigned long addr,
 	if (!exchanged)
 		return X86EMUL_CMPXCHG_FAILED;
 
-	return __emulator_write_emulated(addr, new, bytes, vcpu, true);
+	kvm_mmu_pte_write(vcpu, gpa, new, bytes, 1);
+
+	return X86EMUL_CONTINUE;
 
 emul_write:
 	printk_once(KERN_WARNING "kvm: emulating exchange as write\n");
@@ -4165,7 +4151,7 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu)
 
 	kvm_x86_ops->patch_hypercall(vcpu, instruction);
 
-	return __emulator_write_emulated(rip, instruction, 3, vcpu, false);
+	return emulator_write_emulated(rip, instruction, 3, vcpu);
 }
 
 void realmode_lgdt(struct kvm_vcpu *vcpu, u16 limit, unsigned long base)

From 0760d44868f351ba30fc9a08cf1830e46aa72466 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Wed, 14 Apr 2010 15:50:57 +0200
Subject: [PATCH 1672/3638] KVM: x86: Terminate early if task_switch_16/32
 failed

Stop the switch immediately if task_switch_16/32 returned an error. Only
if that step succeeded, the switch should actually take place and update
any register states.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 083b269a83e..aace5659bbe 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2402,6 +2402,8 @@ static int emulator_do_task_switch(struct x86_emulate_ctxt *ctxt,
 	else
 		ret = task_switch_16(ctxt, ops, tss_selector, old_tss_sel,
 				     old_tss_base, &next_tss_desc);
+	if (ret != X86EMUL_CONTINUE)
+		return ret;
 
 	if (reason == TASK_SWITCH_CALL || reason == TASK_SWITCH_GATE)
 		ctxt->eflags = ctxt->eflags | X86_EFLAGS_NT;

From e269fb2189fb86d79d64c0ca74c6c1a549ad4aa3 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Wed, 14 Apr 2010 15:51:09 +0200
Subject: [PATCH 1673/3638] KVM: x86: Push potential exception error code on
 task switches

When a fault triggers a task switch, the error code, if existent, has to
be pushed on the new task's stack. Implement the missing bits.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_emulate.h |  3 ++-
 arch/x86/include/asm/kvm_host.h    |  3 ++-
 arch/x86/include/asm/svm.h         |  1 +
 arch/x86/kvm/emulate.c             | 22 ++++++++++++++++++----
 arch/x86/kvm/svm.c                 | 11 ++++++++++-
 arch/x86/kvm/vmx.c                 | 12 +++++++++++-
 arch/x86/kvm/x86.c                 |  6 ++++--
 7 files changed, 48 insertions(+), 10 deletions(-)

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index a1319c82050..0b2729bf207 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -230,6 +230,7 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt,
 		     struct x86_emulate_ops *ops);
 int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
 			 struct x86_emulate_ops *ops,
-			 u16 tss_selector, int reason);
+			 u16 tss_selector, int reason,
+			 bool has_error_code, u32 error_code);
 
 #endif /* _ASM_X86_KVM_X86_EMULATE_H */
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 5d5e0a9afcf..3602728d54d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -595,7 +595,8 @@ int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
 void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg);
 int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg);
 
-int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason);
+int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason,
+		    bool has_error_code, u32 error_code);
 
 void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
 void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index 1d91d05f936..0e831059ac5 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -244,6 +244,7 @@ struct __attribute__ ((__packed__)) vmcb {
 
 #define SVM_EXITINFOSHIFT_TS_REASON_IRET 36
 #define SVM_EXITINFOSHIFT_TS_REASON_JMP 38
+#define SVM_EXITINFOSHIFT_TS_HAS_ERROR_CODE 44
 
 #define	SVM_EXIT_READ_CR0 	0x000
 #define	SVM_EXIT_READ_CR3 	0x003
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index aace5659bbe..585d0ef4a5f 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2344,8 +2344,9 @@ static int task_switch_32(struct x86_emulate_ctxt *ctxt,
 }
 
 static int emulator_do_task_switch(struct x86_emulate_ctxt *ctxt,
-				    struct x86_emulate_ops *ops,
-				    u16 tss_selector, int reason)
+				   struct x86_emulate_ops *ops,
+				   u16 tss_selector, int reason,
+				   bool has_error_code, u32 error_code)
 {
 	struct desc_struct curr_tss_desc, next_tss_desc;
 	int ret;
@@ -2418,12 +2419,22 @@ static int emulator_do_task_switch(struct x86_emulate_ctxt *ctxt,
 	ops->set_cached_descriptor(&next_tss_desc, VCPU_SREG_TR, ctxt->vcpu);
 	ops->set_segment_selector(tss_selector, VCPU_SREG_TR, ctxt->vcpu);
 
+	if (has_error_code) {
+		struct decode_cache *c = &ctxt->decode;
+
+		c->op_bytes = c->ad_bytes = (next_tss_desc.type & 8) ? 4 : 2;
+		c->lock_prefix = 0;
+		c->src.val = (unsigned long) error_code;
+		emulate_push(ctxt);
+	}
+
 	return ret;
 }
 
 int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
 			 struct x86_emulate_ops *ops,
-			 u16 tss_selector, int reason)
+			 u16 tss_selector, int reason,
+			 bool has_error_code, u32 error_code)
 {
 	struct decode_cache *c = &ctxt->decode;
 	int rc;
@@ -2431,12 +2442,15 @@ int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
 	memset(c, 0, sizeof(struct decode_cache));
 	c->eip = ctxt->eip;
 	memcpy(c->regs, ctxt->vcpu->arch.regs, sizeof c->regs);
+	c->dst.type = OP_NONE;
 
-	rc = emulator_do_task_switch(ctxt, ops, tss_selector, reason);
+	rc = emulator_do_task_switch(ctxt, ops, tss_selector, reason,
+				     has_error_code, error_code);
 
 	if (rc == X86EMUL_CONTINUE) {
 		memcpy(ctxt->vcpu->arch.regs, c->regs, sizeof c->regs);
 		kvm_rip_write(ctxt->vcpu, c->eip);
+		rc = writeback(ctxt, ops);
 	}
 
 	return rc;
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 87b36fbbfec..78af52222fd 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2222,6 +2222,8 @@ static int task_switch_interception(struct vcpu_svm *svm)
 		svm->vmcb->control.exit_int_info & SVM_EXITINTINFO_TYPE_MASK;
 	uint32_t idt_v =
 		svm->vmcb->control.exit_int_info & SVM_EXITINTINFO_VALID;
+	bool has_error_code = false;
+	u32 error_code = 0;
 
 	tss_selector = (u16)svm->vmcb->control.exit_info_1;
 
@@ -2242,6 +2244,12 @@ static int task_switch_interception(struct vcpu_svm *svm)
 			svm->vcpu.arch.nmi_injected = false;
 			break;
 		case SVM_EXITINTINFO_TYPE_EXEPT:
+			if (svm->vmcb->control.exit_info_2 &
+			    (1ULL << SVM_EXITINFOSHIFT_TS_HAS_ERROR_CODE)) {
+				has_error_code = true;
+				error_code =
+					(u32)svm->vmcb->control.exit_info_2;
+			}
 			kvm_clear_exception_queue(&svm->vcpu);
 			break;
 		case SVM_EXITINTINFO_TYPE_INTR:
@@ -2258,7 +2266,8 @@ static int task_switch_interception(struct vcpu_svm *svm)
 	     (int_vec == OF_VECTOR || int_vec == BP_VECTOR)))
 		skip_emulated_instruction(&svm->vcpu);
 
-	return kvm_task_switch(&svm->vcpu, tss_selector, reason);
+	return kvm_task_switch(&svm->vcpu, tss_selector, reason,
+			       has_error_code, error_code);
 }
 
 static int cpuid_interception(struct vcpu_svm *svm)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index fb4a8869bb9..1b38d8a88cf 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3271,6 +3271,8 @@ static int handle_task_switch(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 	unsigned long exit_qualification;
+	bool has_error_code = false;
+	u32 error_code = 0;
 	u16 tss_selector;
 	int reason, type, idt_v;
 
@@ -3293,6 +3295,13 @@ static int handle_task_switch(struct kvm_vcpu *vcpu)
 			kvm_clear_interrupt_queue(vcpu);
 			break;
 		case INTR_TYPE_HARD_EXCEPTION:
+			if (vmx->idt_vectoring_info &
+			    VECTORING_INFO_DELIVER_CODE_MASK) {
+				has_error_code = true;
+				error_code =
+					vmcs_read32(IDT_VECTORING_ERROR_CODE);
+			}
+			/* fall through */
 		case INTR_TYPE_SOFT_EXCEPTION:
 			kvm_clear_exception_queue(vcpu);
 			break;
@@ -3307,7 +3316,8 @@ static int handle_task_switch(struct kvm_vcpu *vcpu)
 		       type != INTR_TYPE_NMI_INTR))
 		skip_emulated_instruction(vcpu);
 
-	if (!kvm_task_switch(vcpu, tss_selector, reason))
+	if (!kvm_task_switch(vcpu, tss_selector, reason, has_error_code,
+			     error_code))
 		return 0;
 
 	/* clear all local breakpoint enable flags */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 40991527f54..58a295c6bf6 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4778,7 +4778,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
 	return 0;
 }
 
-int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason)
+int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason,
+		    bool has_error_code, u32 error_code)
 {
 	int cs_db, cs_l, ret;
 	cache_all_regs(vcpu);
@@ -4796,7 +4797,8 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason)
 		? X86EMUL_MODE_PROT32 : X86EMUL_MODE_PROT16;
 
 	ret = emulator_task_switch(&vcpu->arch.emulate_ctxt, &emulate_ops,
-				   tss_selector, reason);
+				   tss_selector, reason, has_error_code,
+				   error_code);
 
 	if (ret == X86EMUL_CONTINUE)
 		kvm_x86_ops->set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags);

From 5b7e0102ae744e9175b905f4267a81393bdb7a75 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 14 Apr 2010 19:20:03 +0300
Subject: [PATCH 1674/3638] KVM: MMU: Replace role.glevels with role.cr4_pae

There is no real distinction between glevels=3 and glevels=4; both have
exactly the same format and the code is treated exactly the same way.  Drop
role.glevels and replace is with role.cr4_pae (which is meaningful).  This
simplifies the code a bit.

As a side effect, it allows sharing shadow page tables between pae and
longmode guest page tables at the same guest page.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h |  2 +-
 arch/x86/kvm/mmu.c              | 12 ++++++------
 arch/x86/kvm/mmutrace.h         |  5 +++--
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 3602728d54d..707d272ae4a 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -171,8 +171,8 @@ struct kvm_pte_chain {
 union kvm_mmu_page_role {
 	unsigned word;
 	struct {
-		unsigned glevels:4;
 		unsigned level:4;
+		unsigned cr4_pae:1;
 		unsigned quadrant:2;
 		unsigned pad_for_nice_hex_output:6;
 		unsigned direct:1;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index ec8900b6692..51aa580d0aa 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1206,7 +1206,7 @@ static int kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp);
 
 static int kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 {
-	if (sp->role.glevels != vcpu->arch.mmu.root_level) {
+	if (sp->role.cr4_pae != !!is_pae(vcpu)) {
 		kvm_mmu_zap_page(vcpu->kvm, sp);
 		return 1;
 	}
@@ -1329,7 +1329,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
 	role.level = level;
 	role.direct = direct;
 	if (role.direct)
-		role.glevels = 0;
+		role.cr4_pae = 0;
 	role.access = access;
 	if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) {
 		quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level));
@@ -2443,7 +2443,7 @@ static int init_kvm_softmmu(struct kvm_vcpu *vcpu)
 	else
 		r = paging32_init_context(vcpu);
 
-	vcpu->arch.mmu.base_role.glevels = vcpu->arch.mmu.root_level;
+	vcpu->arch.mmu.base_role.cr4_pae = !!is_pae(vcpu);
 
 	return r;
 }
@@ -2532,7 +2532,7 @@ static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu,
         }
 
 	++vcpu->kvm->stat.mmu_pte_updated;
-	if (sp->role.glevels == PT32_ROOT_LEVEL)
+	if (!sp->role.cr4_pae)
 		paging32_update_pte(vcpu, sp, spte, new);
 	else
 		paging64_update_pte(vcpu, sp, spte, new);
@@ -2681,7 +2681,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 	hlist_for_each_entry_safe(sp, node, n, bucket, hash_link) {
 		if (sp->gfn != gfn || sp->role.direct || sp->role.invalid)
 			continue;
-		pte_size = sp->role.glevels == PT32_ROOT_LEVEL ? 4 : 8;
+		pte_size = sp->role.cr4_pae ? 8 : 4;
 		misaligned = (offset ^ (offset + bytes - 1)) & ~(pte_size - 1);
 		misaligned |= bytes < 4;
 		if (misaligned || flooded) {
@@ -2705,7 +2705,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 		page_offset = offset;
 		level = sp->role.level;
 		npte = 1;
-		if (sp->role.glevels == PT32_ROOT_LEVEL) {
+		if (!sp->role.cr4_pae) {
 			page_offset <<= 1;	/* 32->64 */
 			/*
 			 * A 32-bit pde maps 4MB while the shadow pdes map
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index 1fe956ab761..3851f1f3030 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -28,9 +28,10 @@
 								        \
 	role.word = __entry->role;					\
 									\
-	trace_seq_printf(p, "sp gfn %llx %u/%u q%u%s %s%s %spge"	\
+	trace_seq_printf(p, "sp gfn %llx %u%s q%u%s %s%s %spge"		\
 			 " %snxe root %u %s%c",				\
-			 __entry->gfn, role.level, role.glevels,	\
+			 __entry->gfn, role.level,			\
+			 role.cr4_pae ? " pae" : "",			\
 			 role.quadrant,					\
 			 role.direct ? " direct" : "",			\
 			 access_str[role.access],			\

From 19d04437267f00c7b50343513693b7a3174ff908 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 15 Apr 2010 12:29:50 +0300
Subject: [PATCH 1675/3638] KVM: fix emulator_task_switch() return value.

emulator_task_switch() should return -1 for failure and 0 for success to
the caller, just like x86_emulate_insn() does.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 2 +-
 arch/x86/kvm/x86.c     | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 585d0ef4a5f..5ac0bb465ed 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2453,7 +2453,7 @@ int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
 		rc = writeback(ctxt, ops);
 	}
 
-	return rc;
+	return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0;
 }
 
 static void string_addr_inc(struct x86_emulate_ctxt *ctxt, unsigned long base,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 58a295c6bf6..30efeead451 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4800,10 +4800,11 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason,
 				   tss_selector, reason, has_error_code,
 				   error_code);
 
-	if (ret == X86EMUL_CONTINUE)
-		kvm_x86_ops->set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags);
+	if (ret)
+		return EMULATE_FAIL;
 
-	return (ret != X86EMUL_CONTINUE);
+	kvm_x86_ops->set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags);
+	return EMULATE_DONE;
 }
 EXPORT_SYMBOL_GPL(kvm_task_switch);
 

From 1b8c7934a4063653095fb9fa88f9169f5b52f52b Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 21:23:41 +0800
Subject: [PATCH 1676/3638] KVM: MMU: remove unused struct kvm_unsync_walk

Remove 'struct kvm_unsync_walk' since it's not used.

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmu.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 51aa580d0aa..b57be03d442 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -173,11 +173,6 @@ struct kvm_shadow_walk_iterator {
 	     shadow_walk_okay(&(_walker));			\
 	     shadow_walk_next(&(_walker)))
 
-
-struct kvm_unsync_walk {
-	int (*entry) (struct kvm_mmu_page *sp, struct kvm_unsync_walk *walk);
-};
-
 typedef int (*mmu_parent_walk_fn) (struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp);
 
 static struct kmem_cache *pte_chain_cache;

From 0571d366e0be571be14581cb5e28d9c3f6e0d0b1 Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 21:27:54 +0800
Subject: [PATCH 1677/3638] KVM: MMU: reduce 'struct kvm_mmu_page' size

Define 'multimapped' as 'bool'.

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 707d272ae4a..3c31c5ad37a 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -202,9 +202,9 @@ struct kvm_mmu_page {
 	 * in this shadow page.
 	 */
 	DECLARE_BITMAP(slot_bitmap, KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS);
-	int multimapped;         /* More than one parent_pte? */
-	int root_count;          /* Currently serving as active root */
+	bool multimapped;         /* More than one parent_pte? */
 	bool unsync;
+	int root_count;          /* Currently serving as active root */
 	unsigned int unsync_children;
 	union {
 		u64 *parent_pte;               /* !multimapped */

From 6b18493d60e7f54a0feb771fa141b5fcb72ce1e4 Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 21:29:17 +0800
Subject: [PATCH 1678/3638] KVM: MMU: remove unused parameter in
 mmu_parent_walk()

'vcpu' is unused, remove it

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmu.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index b57be03d442..45f3aa5213c 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -173,7 +173,7 @@ struct kvm_shadow_walk_iterator {
 	     shadow_walk_okay(&(_walker));			\
 	     shadow_walk_next(&(_walker)))
 
-typedef int (*mmu_parent_walk_fn) (struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp);
+typedef int (*mmu_parent_walk_fn) (struct kvm_mmu_page *sp);
 
 static struct kmem_cache *pte_chain_cache;
 static struct kmem_cache *rmap_desc_cache;
@@ -1001,8 +1001,7 @@ static void mmu_page_remove_parent_pte(struct kvm_mmu_page *sp,
 }
 
 
-static void mmu_parent_walk(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
-			    mmu_parent_walk_fn fn)
+static void mmu_parent_walk(struct kvm_mmu_page *sp, mmu_parent_walk_fn fn)
 {
 	struct kvm_pte_chain *pte_chain;
 	struct hlist_node *node;
@@ -1011,8 +1010,8 @@ static void mmu_parent_walk(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
 
 	if (!sp->multimapped && sp->parent_pte) {
 		parent_sp = page_header(__pa(sp->parent_pte));
-		fn(vcpu, parent_sp);
-		mmu_parent_walk(vcpu, parent_sp, fn);
+		fn(parent_sp);
+		mmu_parent_walk(parent_sp, fn);
 		return;
 	}
 	hlist_for_each_entry(pte_chain, node, &sp->parent_ptes, link)
@@ -1020,8 +1019,8 @@ static void mmu_parent_walk(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
 			if (!pte_chain->parent_ptes[i])
 				break;
 			parent_sp = page_header(__pa(pte_chain->parent_ptes[i]));
-			fn(vcpu, parent_sp);
-			mmu_parent_walk(vcpu, parent_sp, fn);
+			fn(parent_sp);
+			mmu_parent_walk(parent_sp, fn);
 		}
 }
 
@@ -1058,16 +1057,15 @@ static void kvm_mmu_update_parents_unsync(struct kvm_mmu_page *sp)
 		}
 }
 
-static int unsync_walk_fn(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
+static int unsync_walk_fn(struct kvm_mmu_page *sp)
 {
 	kvm_mmu_update_parents_unsync(sp);
 	return 1;
 }
 
-static void kvm_mmu_mark_parents_unsync(struct kvm_vcpu *vcpu,
-					struct kvm_mmu_page *sp)
+static void kvm_mmu_mark_parents_unsync(struct kvm_mmu_page *sp)
 {
-	mmu_parent_walk(vcpu, sp, unsync_walk_fn);
+	mmu_parent_walk(sp, unsync_walk_fn);
 	kvm_mmu_update_parents_unsync(sp);
 }
 
@@ -1345,7 +1343,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
 			mmu_page_add_parent_pte(vcpu, sp, parent_pte);
 			if (sp->unsync_children) {
 				set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests);
-				kvm_mmu_mark_parents_unsync(vcpu, sp);
+				kvm_mmu_mark_parents_unsync(sp);
 			}
 			trace_kvm_mmu_get_page(sp, false);
 			return sp;
@@ -1759,7 +1757,7 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 	++vcpu->kvm->stat.mmu_unsync;
 	sp->unsync = 1;
 
-	kvm_mmu_mark_parents_unsync(vcpu, sp);
+	kvm_mmu_mark_parents_unsync(sp);
 
 	mmu_convert_notrap(sp);
 	return 0;

From acb5451789f21ad51215897bb8f9306a05e8acd4 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 15 Apr 2010 21:03:50 +0300
Subject: [PATCH 1679/3638] KVM: prevent spurious exit to userspace during task
 switch emulation.

If kvm_task_switch() fails code exits to userspace without specifying
exit reason, so the previous exit reason is reused by userspace. Fix
this by specifying exit reason correctly.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/svm.c | 10 ++++++++--
 arch/x86/kvm/vmx.c |  8 ++++++--
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 78af52222fd..ab78eb8ba89 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2266,8 +2266,14 @@ static int task_switch_interception(struct vcpu_svm *svm)
 	     (int_vec == OF_VECTOR || int_vec == BP_VECTOR)))
 		skip_emulated_instruction(&svm->vcpu);
 
-	return kvm_task_switch(&svm->vcpu, tss_selector, reason,
-			       has_error_code, error_code);
+	if (kvm_task_switch(&svm->vcpu, tss_selector, reason,
+				has_error_code, error_code) == EMULATE_FAIL) {
+		svm->vcpu.run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+		svm->vcpu.run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
+		svm->vcpu.run->internal.ndata = 0;
+		return 0;
+	}
+	return 1;
 }
 
 static int cpuid_interception(struct vcpu_svm *svm)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 1b38d8a88cf..6e5e75e0d7d 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3316,9 +3316,13 @@ static int handle_task_switch(struct kvm_vcpu *vcpu)
 		       type != INTR_TYPE_NMI_INTR))
 		skip_emulated_instruction(vcpu);
 
-	if (!kvm_task_switch(vcpu, tss_selector, reason, has_error_code,
-			     error_code))
+	if (kvm_task_switch(vcpu, tss_selector, reason,
+				has_error_code, error_code) == EMULATE_FAIL) {
+		vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+		vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
+		vcpu->run->internal.ndata = 0;
 		return 0;
+	}
 
 	/* clear all local breakpoint enable flags */
 	vmcs_writel(GUEST_DR7, vmcs_readl(GUEST_DR7) & ~55);

From 3246af0ece6c61689847417977733f0b12dc4b6f Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 16:35:54 +0800
Subject: [PATCH 1680/3638] KVM: MMU: cleanup for hlist walk restart

Quote from Avi:

|Just change the assignment to a 'goto restart;' please,
|I don't like playing with list_for_each internals.

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmu.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 45f3aa5213c..7a17db1cdcd 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1565,13 +1565,14 @@ static int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
 	r = 0;
 	index = kvm_page_table_hashfn(gfn);
 	bucket = &kvm->arch.mmu_page_hash[index];
+restart:
 	hlist_for_each_entry_safe(sp, node, n, bucket, hash_link)
 		if (sp->gfn == gfn && !sp->role.direct) {
 			pgprintk("%s: gfn %lx role %x\n", __func__, gfn,
 				 sp->role.word);
 			r = 1;
 			if (kvm_mmu_zap_page(kvm, sp))
-				n = bucket->first;
+				goto restart;
 		}
 	return r;
 }
@@ -1585,13 +1586,14 @@ static void mmu_unshadow(struct kvm *kvm, gfn_t gfn)
 
 	index = kvm_page_table_hashfn(gfn);
 	bucket = &kvm->arch.mmu_page_hash[index];
+restart:
 	hlist_for_each_entry_safe(sp, node, nn, bucket, hash_link) {
 		if (sp->gfn == gfn && !sp->role.direct
 		    && !sp->role.invalid) {
 			pgprintk("%s: zap %lx %x\n",
 				 __func__, gfn, sp->role.word);
 			if (kvm_mmu_zap_page(kvm, sp))
-				nn = bucket->first;
+				goto restart;
 		}
 	}
 }
@@ -2671,6 +2673,8 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 	}
 	index = kvm_page_table_hashfn(gfn);
 	bucket = &vcpu->kvm->arch.mmu_page_hash[index];
+
+restart:
 	hlist_for_each_entry_safe(sp, node, n, bucket, hash_link) {
 		if (sp->gfn != gfn || sp->role.direct || sp->role.invalid)
 			continue;
@@ -2691,7 +2695,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 			pgprintk("misaligned: gpa %llx bytes %d role %x\n",
 				 gpa, bytes, sp->role.word);
 			if (kvm_mmu_zap_page(vcpu->kvm, sp))
-				n = bucket->first;
+				goto restart;
 			++vcpu->kvm->stat.mmu_flooded;
 			continue;
 		}
@@ -2900,10 +2904,11 @@ void kvm_mmu_zap_all(struct kvm *kvm)
 	struct kvm_mmu_page *sp, *node;
 
 	spin_lock(&kvm->mmu_lock);
+restart:
 	list_for_each_entry_safe(sp, node, &kvm->arch.active_mmu_pages, link)
 		if (kvm_mmu_zap_page(kvm, sp))
-			node = container_of(kvm->arch.active_mmu_pages.next,
-					    struct kvm_mmu_page, link);
+			goto restart;
+
 	spin_unlock(&kvm->mmu_lock);
 
 	kvm_flush_remote_tlbs(kvm);

From 90d83dc3d49f5101addae962ccc1b4aff66b68d8 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Mon, 19 Apr 2010 17:41:23 +0800
Subject: [PATCH 1681/3638] KVM: use the correct RCU API for PROVE_RCU=y

The RCU/SRCU API have already changed for proving RCU usage.

I got the following dmesg when PROVE_RCU=y because we used incorrect API.
This patch coverts rcu_deference() to srcu_dereference() or family API.

===================================================
[ INFO: suspicious rcu_dereference_check() usage. ]
---------------------------------------------------
arch/x86/kvm/mmu.c:3020 invoked rcu_dereference_check() without protection!

other info that might help us debug this:

rcu_scheduler_active = 1, debug_locks = 0
2 locks held by qemu-system-x86/8550:
 #0:  (&kvm->slots_lock){+.+.+.}, at: [<ffffffffa011a6ac>] kvm_set_memory_region+0x29/0x50 [kvm]
 #1:  (&(&kvm->mmu_lock)->rlock){+.+...}, at: [<ffffffffa012262d>] kvm_arch_commit_memory_region+0xa6/0xe2 [kvm]

stack backtrace:
Pid: 8550, comm: qemu-system-x86 Not tainted 2.6.34-rc4-tip-01028-g939eab1 #27
Call Trace:
 [<ffffffff8106c59e>] lockdep_rcu_dereference+0xaa/0xb3
 [<ffffffffa012f6c1>] kvm_mmu_calculate_mmu_pages+0x44/0x7d [kvm]
 [<ffffffffa012263e>] kvm_arch_commit_memory_region+0xb7/0xe2 [kvm]
 [<ffffffffa011a5d7>] __kvm_set_memory_region+0x636/0x6e2 [kvm]
 [<ffffffffa011a6ba>] kvm_set_memory_region+0x37/0x50 [kvm]
 [<ffffffffa015e956>] vmx_set_tss_addr+0x46/0x5a [kvm_intel]
 [<ffffffffa0126592>] kvm_arch_vm_ioctl+0x17a/0xcf8 [kvm]
 [<ffffffff810a8692>] ? unlock_page+0x27/0x2c
 [<ffffffff810bf879>] ? __do_fault+0x3a9/0x3e1
 [<ffffffffa011b12f>] kvm_vm_ioctl+0x364/0x38d [kvm]
 [<ffffffff81060cfa>] ? up_read+0x23/0x3d
 [<ffffffff810f3587>] vfs_ioctl+0x32/0xa6
 [<ffffffff810f3b19>] do_vfs_ioctl+0x495/0x4db
 [<ffffffff810e6b2f>] ? fget_light+0xc2/0x241
 [<ffffffff810e416c>] ? do_sys_open+0x104/0x116
 [<ffffffff81382d6d>] ? retint_swapgs+0xe/0x13
 [<ffffffff810f3ba6>] sys_ioctl+0x47/0x6a
 [<ffffffff810021db>] system_call_fastpath+0x16/0x1b

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/ia64/kvm/kvm-ia64.c |  2 +-
 arch/s390/kvm/kvm-s390.h |  2 +-
 arch/x86/kvm/mmu.c       |  7 ++++---
 arch/x86/kvm/vmx.c       |  2 +-
 arch/x86/kvm/x86.c       |  4 ++--
 arch/x86/kvm/x86.h       |  7 +++++++
 include/linux/kvm_host.h |  7 +++++++
 virt/kvm/iommu.c         |  4 ++--
 virt/kvm/kvm_main.c      | 13 ++++++++-----
 9 files changed, 33 insertions(+), 15 deletions(-)

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index d7bac1f75af..d5f4e916120 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -1381,7 +1381,7 @@ static void kvm_release_vm_pages(struct kvm *kvm)
 	int i, j;
 	unsigned long base_gfn;
 
-	slots = rcu_dereference(kvm->memslots);
+	slots = kvm_memslots(kvm);
 	for (i = 0; i < slots->nmemslots; i++) {
 		memslot = &slots->memslots[i];
 		base_gfn = memslot->base_gfn;
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index 60f09ab3672..cfa9d177745 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -72,7 +72,7 @@ static inline void kvm_s390_vcpu_set_mem(struct kvm_vcpu *vcpu)
 	struct kvm_memslots *memslots;
 
 	idx = srcu_read_lock(&vcpu->kvm->srcu);
-	memslots = rcu_dereference(vcpu->kvm->memslots);
+	memslots = kvm_memslots(vcpu->kvm);
 
 	mem = &memslots->memslots[0];
 
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 7a17db1cdcd..0682a393ad9 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -787,7 +787,7 @@ static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
 	int retval = 0;
 	struct kvm_memslots *slots;
 
-	slots = rcu_dereference(kvm->memslots);
+	slots = kvm_memslots(kvm);
 
 	for (i = 0; i < slots->nmemslots; i++) {
 		struct kvm_memory_slot *memslot = &slots->memslots[i];
@@ -3016,7 +3016,8 @@ unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm)
 	unsigned int  nr_pages = 0;
 	struct kvm_memslots *slots;
 
-	slots = rcu_dereference(kvm->memslots);
+	slots = kvm_memslots(kvm);
+
 	for (i = 0; i < slots->nmemslots; i++)
 		nr_pages += slots->memslots[i].npages;
 
@@ -3292,7 +3293,7 @@ static int count_rmaps(struct kvm_vcpu *vcpu)
 	int i, j, k, idx;
 
 	idx = srcu_read_lock(&kvm->srcu);
-	slots = rcu_dereference(kvm->memslots);
+	slots = kvm_memslots(kvm);
 	for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
 		struct kvm_memory_slot *m = &slots->memslots[i];
 		struct kvm_rmap_desc *d;
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 0b896ac7e4b..d0a10b5612e 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1558,7 +1558,7 @@ static gva_t rmode_tss_base(struct kvm *kvm)
 		struct kvm_memslots *slots;
 		gfn_t base_gfn;
 
-		slots = rcu_dereference(kvm->memslots);
+		slots = kvm_memslots(kvm);
 		base_gfn = kvm->memslots->memslots[0].base_gfn +
 				 kvm->memslots->memslots[0].npages - 3;
 		return base_gfn << PAGE_SHIFT;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 58a96e6a234..638248c9699 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2497,7 +2497,7 @@ gfn_t unalias_gfn_instantiation(struct kvm *kvm, gfn_t gfn)
 	struct kvm_mem_alias *alias;
 	struct kvm_mem_aliases *aliases;
 
-	aliases = rcu_dereference(kvm->arch.aliases);
+	aliases = kvm_aliases(kvm);
 
 	for (i = 0; i < aliases->naliases; ++i) {
 		alias = &aliases->aliases[i];
@@ -2516,7 +2516,7 @@ gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
 	struct kvm_mem_alias *alias;
 	struct kvm_mem_aliases *aliases;
 
-	aliases = rcu_dereference(kvm->arch.aliases);
+	aliases = kvm_aliases(kvm);
 
 	for (i = 0; i < aliases->naliases; ++i) {
 		alias = &aliases->aliases[i];
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index b7a404722d2..f4b54458285 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -65,6 +65,13 @@ static inline int is_paging(struct kvm_vcpu *vcpu)
 	return kvm_read_cr0_bits(vcpu, X86_CR0_PG);
 }
 
+static inline struct kvm_mem_aliases *kvm_aliases(struct kvm *kvm)
+{
+	return rcu_dereference_check(kvm->arch.aliases,
+			srcu_read_lock_held(&kvm->srcu)
+			|| lockdep_is_held(&kvm->slots_lock));
+}
+
 void kvm_before_handle_nmi(struct kvm_vcpu *vcpu);
 void kvm_after_handle_nmi(struct kvm_vcpu *vcpu);
 
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 55830638aeb..1ed030bad59 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -250,6 +250,13 @@ void kvm_exit(void);
 void kvm_get_kvm(struct kvm *kvm);
 void kvm_put_kvm(struct kvm *kvm);
 
+static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
+{
+	return rcu_dereference_check(kvm->memslots,
+			srcu_read_lock_held(&kvm->srcu)
+			|| lockdep_is_held(&kvm->slots_lock));
+}
+
 #define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
 #define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
 static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 80fd3ad3b2d..37ca71ebdba 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -78,7 +78,7 @@ static int kvm_iommu_map_memslots(struct kvm *kvm)
 	int i, r = 0;
 	struct kvm_memslots *slots;
 
-	slots = rcu_dereference(kvm->memslots);
+	slots = kvm_memslots(kvm);
 
 	for (i = 0; i < slots->nmemslots; i++) {
 		r = kvm_iommu_map_pages(kvm, &slots->memslots[i]);
@@ -217,7 +217,7 @@ static int kvm_iommu_unmap_memslots(struct kvm *kvm)
 	int i;
 	struct kvm_memslots *slots;
 
-	slots = rcu_dereference(kvm->memslots);
+	slots = kvm_memslots(kvm);
 
 	for (i = 0; i < slots->nmemslots; i++) {
 		kvm_iommu_put_pages(kvm, slots->memslots[i].base_gfn,
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index d6351a34b29..4901ec5061b 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -834,7 +834,7 @@ EXPORT_SYMBOL_GPL(kvm_is_error_hva);
 struct kvm_memory_slot *gfn_to_memslot_unaliased(struct kvm *kvm, gfn_t gfn)
 {
 	int i;
-	struct kvm_memslots *slots = rcu_dereference(kvm->memslots);
+	struct kvm_memslots *slots = kvm_memslots(kvm);
 
 	for (i = 0; i < slots->nmemslots; ++i) {
 		struct kvm_memory_slot *memslot = &slots->memslots[i];
@@ -856,7 +856,7 @@ struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn)
 int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)
 {
 	int i;
-	struct kvm_memslots *slots = rcu_dereference(kvm->memslots);
+	struct kvm_memslots *slots = kvm_memslots(kvm);
 
 	gfn = unalias_gfn_instantiation(kvm, gfn);
 	for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
@@ -900,7 +900,7 @@ out:
 int memslot_id(struct kvm *kvm, gfn_t gfn)
 {
 	int i;
-	struct kvm_memslots *slots = rcu_dereference(kvm->memslots);
+	struct kvm_memslots *slots = kvm_memslots(kvm);
 	struct kvm_memory_slot *memslot = NULL;
 
 	gfn = unalias_gfn(kvm, gfn);
@@ -1994,7 +1994,9 @@ int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
 		     int len, const void *val)
 {
 	int i;
-	struct kvm_io_bus *bus = rcu_dereference(kvm->buses[bus_idx]);
+	struct kvm_io_bus *bus;
+
+	bus = srcu_dereference(kvm->buses[bus_idx], &kvm->srcu);
 	for (i = 0; i < bus->dev_count; i++)
 		if (!kvm_iodevice_write(bus->devs[i], addr, len, val))
 			return 0;
@@ -2006,8 +2008,9 @@ int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
 		    int len, void *val)
 {
 	int i;
-	struct kvm_io_bus *bus = rcu_dereference(kvm->buses[bus_idx]);
+	struct kvm_io_bus *bus;
 
+	bus = srcu_dereference(kvm->buses[bus_idx], &kvm->srcu);
 	for (i = 0; i < bus->dev_count; i++)
 		if (!kvm_iodevice_read(bus->devs[i], addr, len, val))
 			return 0;

From 87bc3bf972af0585ba5415aebbc8bd09b6a2ee94 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 19 Apr 2010 17:25:53 +0300
Subject: [PATCH 1682/3638] KVM: MMU: Drop cr4.pge from shadow page role

Since commit bf47a760f66ad, we no longer handle ptes with the global bit
set specially, so there is no reason to distinguish between shadow pages
created with cr4.gpe set and clear.

Such tracking is expensive when the guest toggles cr4.pge, so drop it.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 1 -
 arch/x86/kvm/mmutrace.h         | 3 +--
 arch/x86/kvm/x86.c              | 1 -
 3 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 3c31c5ad37a..d47d087568f 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -178,7 +178,6 @@ union kvm_mmu_page_role {
 		unsigned direct:1;
 		unsigned access:3;
 		unsigned invalid:1;
-		unsigned cr4_pge:1;
 		unsigned nxe:1;
 	};
 };
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index 3851f1f3030..bc4f7f0be2b 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -28,7 +28,7 @@
 								        \
 	role.word = __entry->role;					\
 									\
-	trace_seq_printf(p, "sp gfn %llx %u%s q%u%s %s%s %spge"		\
+	trace_seq_printf(p, "sp gfn %llx %u%s q%u%s %s%s"		\
 			 " %snxe root %u %s%c",				\
 			 __entry->gfn, role.level,			\
 			 role.cr4_pae ? " pae" : "",			\
@@ -36,7 +36,6 @@
 			 role.direct ? " direct" : "",			\
 			 access_str[role.access],			\
 			 role.invalid ? " invalid" : "",		\
-			 role.cr4_pge ? "" : "!",			\
 			 role.nxe ? "" : "!",				\
 			 __entry->root_count,				\
 			 __entry->unsync ? "unsync" : "sync", 0);	\
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 638248c9699..cf37ac6644e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -488,7 +488,6 @@ void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 	}
 	kvm_x86_ops->set_cr4(vcpu, cr4);
 	vcpu->arch.cr4 = cr4;
-	vcpu->arch.mmu.base_role.cr4_pge = (cr4 & X86_CR4_PGE) && !tdp_enabled;
 	kvm_mmu_reset_context(vcpu);
 }
 EXPORT_SYMBOL_GPL(kvm_set_cr4);

From 66cbff59a16017234ea6c80ecddfc17b27a83504 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Sat, 17 Apr 2010 17:00:19 +0800
Subject: [PATCH 1683/3638] KVM: do not call hardware_disable() on
 CPU_UP_CANCELED

When CPU_UP_CANCELED, hardware_enable() has not been called at the CPU
which is going up because raw_notifier_call_chain(CPU_ONLINE)
has not been called for this cpu.

Drop the handling for CPU_UP_CANCELED.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 virt/kvm/kvm_main.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 4901ec5061b..6dc940455e8 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1931,11 +1931,6 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val,
 		       cpu);
 		hardware_disable(NULL);
 		break;
-	case CPU_UP_CANCELED:
-		printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n",
-		       cpu);
-		smp_call_function_single(cpu, hardware_disable, NULL, 1);
-		break;
 	case CPU_ONLINE:
 		printk(KERN_INFO "kvm: enabling virtualization on CPU%d\n",
 		       cpu);

From 51fb60d81b483ae75614d401e7d4271884894113 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 17:16:40 +0800
Subject: [PATCH 1684/3638] KVM: MMU: Move sync_page() first pte address
 calculation out of loop

Move first pte address calculation out of loop to save some cycles.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/paging_tmpl.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index d9dea288e51..5910557b3f3 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -572,12 +572,15 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 {
 	int i, offset, nr_present;
 	bool reset_host_protection;
+	gpa_t first_pte_gpa;
 
 	offset = nr_present = 0;
 
 	if (PTTYPE == 32)
 		offset = sp->role.quadrant << PT64_LEVEL_BITS;
 
+	first_pte_gpa = gfn_to_gpa(sp->gfn) + offset * sizeof(pt_element_t);
+
 	for (i = 0; i < PT64_ENT_PER_PAGE; i++) {
 		unsigned pte_access;
 		pt_element_t gpte;
@@ -587,8 +590,7 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 		if (!is_shadow_present_pte(sp->spt[i]))
 			continue;
 
-		pte_gpa = gfn_to_gpa(sp->gfn);
-		pte_gpa += (i+offset) * sizeof(pt_element_t);
+		pte_gpa = first_pte_gpa + i * sizeof(pt_element_t);
 
 		if (kvm_read_guest_atomic(vcpu->kvm, pte_gpa, &gpte,
 					  sizeof(pt_element_t)))

From 814a59d2077d630cffca7e2878c5b6f9b91ba725 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 17:18:01 +0800
Subject: [PATCH 1685/3638] KVM: MMU: Make use of is_large_pte() in walker

Make use of is_large_pte() instead of checking PT_PAGE_SIZE_MASK
bit directly.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/paging_tmpl.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 5910557b3f3..d0cc07eb6ed 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -190,10 +190,10 @@ walk:
 
 		if ((walker->level == PT_PAGE_TABLE_LEVEL) ||
 		    ((walker->level == PT_DIRECTORY_LEVEL) &&
-				(pte & PT_PAGE_SIZE_MASK)  &&
+				is_large_pte(pte) &&
 				(PTTYPE == 64 || is_pse(vcpu))) ||
 		    ((walker->level == PT_PDPE_LEVEL) &&
-				(pte & PT_PAGE_SIZE_MASK)  &&
+				is_large_pte(pte) &&
 				is_long_mode(vcpu))) {
 			int lvl = walker->level;
 

From b2fc15a5ef6679a5f87fee012a836294532bc628 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 17:18:54 +0800
Subject: [PATCH 1686/3638] KVM: MMU: Remove unused varialbe in rmap_next()

Remove unused varialbe in rmap_next()

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/mmu.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 0682a393ad9..7eff794457f 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -647,7 +647,6 @@ static void rmap_remove(struct kvm *kvm, u64 *spte)
 static u64 *rmap_next(struct kvm *kvm, unsigned long *rmapp, u64 *spte)
 {
 	struct kvm_rmap_desc *desc;
-	struct kvm_rmap_desc *prev_desc;
 	u64 *prev_spte;
 	int i;
 
@@ -659,7 +658,6 @@ static u64 *rmap_next(struct kvm *kvm, unsigned long *rmapp, u64 *spte)
 		return NULL;
 	}
 	desc = (struct kvm_rmap_desc *)(*rmapp & ~1ul);
-	prev_desc = NULL;
 	prev_spte = NULL;
 	while (desc) {
 		for (i = 0; i < RMAP_EXT && desc->sptes[i]; ++i) {

From 2a059bf444dd7758ccf48f217cd981570132be85 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 17:19:48 +0800
Subject: [PATCH 1687/3638] KVM: Get rid of dead function gva_to_page()

Nobody use gva_to_page() anymore, get rid of it.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/mmu.c       | 14 --------------
 include/linux/kvm_host.h |  1 -
 2 files changed, 15 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 7eff794457f..d2a110e870f 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1618,20 +1618,6 @@ static void mmu_convert_notrap(struct kvm_mmu_page *sp)
 	}
 }
 
-struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva)
-{
-	struct page *page;
-
-	gpa_t gpa = kvm_mmu_gva_to_gpa_read(vcpu, gva, NULL);
-
-	if (gpa == UNMAPPED_GVA)
-		return NULL;
-
-	page = gfn_to_page(vcpu->kvm, gpa >> PAGE_SHIFT);
-
-	return page;
-}
-
 /*
  * The function is based on mtrr_type_lookup() in
  * arch/x86/kernel/cpu/mtrr/generic.c
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 1ed030bad59..ce027d51809 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -260,7 +260,6 @@ static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
 #define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
 #define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
 static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
-struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva);
 
 extern struct page *bad_page;
 extern pfn_t bad_pfn;

From 77a1a715707d0f60ce0cfbe44070527a0a561f01 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Fri, 16 Apr 2010 16:21:42 +0800
Subject: [PATCH 1688/3638] KVM: MMU: cleanup for function unaccount_shadowed()

Since gfn is not changed in the for loop, we do not need to call
gfn_to_memslot_unaliased() under the loop, and it is safe to move
it out.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d2a110e870f..ddfa8658fb6 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -431,9 +431,9 @@ static void unaccount_shadowed(struct kvm *kvm, gfn_t gfn)
 	int i;
 
 	gfn = unalias_gfn(kvm, gfn);
+	slot = gfn_to_memslot_unaliased(kvm, gfn);
 	for (i = PT_DIRECTORY_LEVEL;
 	     i < PT_PAGE_TABLE_LEVEL + KVM_NR_PAGE_SIZES; ++i) {
-		slot          = gfn_to_memslot_unaliased(kvm, gfn);
 		write_count   = slot_largepage_idx(gfn, slot, i);
 		*write_count -= 1;
 		WARN_ON(*write_count < 0);

From 2191d657c9eaa4c444c33e014199ed9de1ac339d Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:32 +0200
Subject: [PATCH 1689/3638] KVM: PPC: Name generic 64-bit code generic

We have quite some code that can be used by Book3S_32 and Book3S_64 alike,
so let's call it "Book3S" instead of "Book3S_64", so we can later on
use it from the 32 bit port too.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h                       | 2 +-
 .../include/asm/{kvm_book3s_64_asm.h => kvm_book3s_asm.h}   | 0
 arch/powerpc/include/asm/paca.h                             | 2 +-
 arch/powerpc/kernel/head_64.S                               | 4 ++--
 arch/powerpc/kvm/Makefile                                   | 6 +++---
 arch/powerpc/kvm/{book3s_64_emulate.c => book3s_emulate.c}  | 0
 arch/powerpc/kvm/{book3s_64_exports.c => book3s_exports.c}  | 0
 .../kvm/{book3s_64_interrupts.S => book3s_interrupts.S}     | 1 -
 .../kvm/{book3s_64_rmhandlers.S => book3s_rmhandlers.S}     | 1 -
 9 files changed, 7 insertions(+), 9 deletions(-)
 rename arch/powerpc/include/asm/{kvm_book3s_64_asm.h => kvm_book3s_asm.h} (100%)
 rename arch/powerpc/kvm/{book3s_64_emulate.c => book3s_emulate.c} (100%)
 rename arch/powerpc/kvm/{book3s_64_exports.c => book3s_exports.c} (100%)
 rename arch/powerpc/kvm/{book3s_64_interrupts.S => book3s_interrupts.S} (99%)
 rename arch/powerpc/kvm/{book3s_64_rmhandlers.S => book3s_rmhandlers.S} (99%)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index ee7992189c6..7670e2a1286 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -22,7 +22,7 @@
 
 #include <linux/types.h>
 #include <linux/kvm_host.h>
-#include <asm/kvm_book3s_64_asm.h>
+#include <asm/kvm_book3s_asm.h>
 
 struct kvmppc_slb {
 	u64 esid;
diff --git a/arch/powerpc/include/asm/kvm_book3s_64_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
similarity index 100%
rename from arch/powerpc/include/asm/kvm_book3s_64_asm.h
rename to arch/powerpc/include/asm/kvm_book3s_asm.h
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index a011603d407..dc3ccdf8199 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -23,7 +23,7 @@
 #include <asm/page.h>
 #include <asm/exception-64e.h>
 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
-#include <asm/kvm_book3s_64_asm.h>
+#include <asm/kvm_book3s_asm.h>
 #endif
 
 register struct paca_struct *local_paca asm("r13");
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index bed9a29ee38..844a44b6447 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -37,7 +37,7 @@
 #include <asm/firmware.h>
 #include <asm/page_64.h>
 #include <asm/irqflags.h>
-#include <asm/kvm_book3s_64_asm.h>
+#include <asm/kvm_book3s_asm.h>
 
 /* The physical memory is layed out such that the secondary processor
  * spin code sits at 0x0000...0x00ff. On server, the vectors follow
@@ -169,7 +169,7 @@ exception_marker:
 /* KVM trampoline code needs to be close to the interrupt handlers */
 
 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
-#include "../kvm/book3s_64_rmhandlers.S"
+#include "../kvm/book3s_rmhandlers.S"
 #endif
 
 _GLOBAL(generic_secondary_thread_init)
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index eba721e3932..0a67310299a 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -14,7 +14,7 @@ CFLAGS_emulate.o  := -I.
 
 common-objs-y += powerpc.o emulate.o
 obj-$(CONFIG_KVM_EXIT_TIMING) += timing.o
-obj-$(CONFIG_KVM_BOOK3S_64_HANDLER) += book3s_64_exports.o
+obj-$(CONFIG_KVM_BOOK3S_64_HANDLER) += book3s_exports.o
 
 AFLAGS_booke_interrupts.o := -I$(obj)
 
@@ -43,8 +43,8 @@ kvm-book3s_64-objs := \
 	fpu.o \
 	book3s_paired_singles.o \
 	book3s.o \
-	book3s_64_emulate.o \
-	book3s_64_interrupts.o \
+	book3s_emulate.o \
+	book3s_interrupts.o \
 	book3s_64_mmu_host.o \
 	book3s_64_mmu.o \
 	book3s_32_mmu.o
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
similarity index 100%
rename from arch/powerpc/kvm/book3s_64_emulate.c
rename to arch/powerpc/kvm/book3s_emulate.c
diff --git a/arch/powerpc/kvm/book3s_64_exports.c b/arch/powerpc/kvm/book3s_exports.c
similarity index 100%
rename from arch/powerpc/kvm/book3s_64_exports.c
rename to arch/powerpc/kvm/book3s_exports.c
diff --git a/arch/powerpc/kvm/book3s_64_interrupts.S b/arch/powerpc/kvm/book3s_interrupts.S
similarity index 99%
rename from arch/powerpc/kvm/book3s_64_interrupts.S
rename to arch/powerpc/kvm/book3s_interrupts.S
index faca87610d6..570f8740769 100644
--- a/arch/powerpc/kvm/book3s_64_interrupts.S
+++ b/arch/powerpc/kvm/book3s_interrupts.S
@@ -315,4 +315,3 @@ kvm_loop_lightweight:
 
 	/* Jump back into the beginning of this function */
 	b	kvm_start_lightweight
-
diff --git a/arch/powerpc/kvm/book3s_64_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S
similarity index 99%
rename from arch/powerpc/kvm/book3s_64_rmhandlers.S
rename to arch/powerpc/kvm/book3s_rmhandlers.S
index bd08535fcdc..d89e315615b 100644
--- a/arch/powerpc/kvm/book3s_64_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_rmhandlers.S
@@ -192,4 +192,3 @@ kvmppc_trampoline_enter:
 	.long kvmppc_handler_trampoline_enter - _stext
 
 #include "book3s_64_slb.S"
-

From d32154f1b8b748ea23edc90b06f640304a979012 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:33 +0200
Subject: [PATCH 1690/3638] KVM: PPC: Add host MMU Support

In order to support 32 bit Book3S, we need to add code to enable our
shadow MMU to actually add shadow PTEs. This is the module enabling
that support.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_32_mmu_host.c | 480 ++++++++++++++++++++++++++
 1 file changed, 480 insertions(+)
 create mode 100644 arch/powerpc/kvm/book3s_32_mmu_host.c

diff --git a/arch/powerpc/kvm/book3s_32_mmu_host.c b/arch/powerpc/kvm/book3s_32_mmu_host.c
new file mode 100644
index 00000000000..ce1bfb19c4c
--- /dev/null
+++ b/arch/powerpc/kvm/book3s_32_mmu_host.c
@@ -0,0 +1,480 @@
+/*
+ * Copyright (C) 2010 SUSE Linux Products GmbH. All rights reserved.
+ *
+ * Authors:
+ *     Alexander Graf <agraf@suse.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include <linux/kvm_host.h>
+
+#include <asm/kvm_ppc.h>
+#include <asm/kvm_book3s.h>
+#include <asm/mmu-hash32.h>
+#include <asm/machdep.h>
+#include <asm/mmu_context.h>
+#include <asm/hw_irq.h>
+
+/* #define DEBUG_MMU */
+/* #define DEBUG_SR */
+
+#ifdef DEBUG_MMU
+#define dprintk_mmu(a, ...) printk(KERN_INFO a, __VA_ARGS__)
+#else
+#define dprintk_mmu(a, ...) do { } while(0)
+#endif
+
+#ifdef DEBUG_SR
+#define dprintk_sr(a, ...) printk(KERN_INFO a, __VA_ARGS__)
+#else
+#define dprintk_sr(a, ...) do { } while(0)
+#endif
+
+#if PAGE_SHIFT != 12
+#error Unknown page size
+#endif
+
+#ifdef CONFIG_SMP
+#error XXX need to grab mmu_hash_lock
+#endif
+
+#ifdef CONFIG_PTE_64BIT
+#error Only 32 bit pages are supported for now
+#endif
+
+static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
+{
+	volatile u32 *pteg;
+
+	dprintk_mmu("KVM: Flushing SPTE: 0x%llx (0x%llx) -> 0x%llx\n",
+		    pte->pte.eaddr, pte->pte.vpage, pte->host_va);
+
+	pteg = (u32*)pte->slot;
+
+	pteg[0] = 0;
+	asm volatile ("sync");
+	asm volatile ("tlbie %0" : : "r" (pte->pte.eaddr) : "memory");
+	asm volatile ("sync");
+	asm volatile ("tlbsync");
+
+	pte->host_va = 0;
+
+	if (pte->pte.may_write)
+		kvm_release_pfn_dirty(pte->pfn);
+	else
+		kvm_release_pfn_clean(pte->pfn);
+}
+
+void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 _guest_ea, u64 _ea_mask)
+{
+	int i;
+	u32 guest_ea = _guest_ea;
+	u32 ea_mask = _ea_mask;
+
+	dprintk_mmu("KVM: Flushing %d Shadow PTEs: 0x%x & 0x%x\n",
+		    vcpu->arch.hpte_cache_offset, guest_ea, ea_mask);
+	BUG_ON(vcpu->arch.hpte_cache_offset > HPTEG_CACHE_NUM);
+
+	guest_ea &= ea_mask;
+	for (i = 0; i < vcpu->arch.hpte_cache_offset; i++) {
+		struct hpte_cache *pte;
+
+		pte = &vcpu->arch.hpte_cache[i];
+		if (!pte->host_va)
+			continue;
+
+		if ((pte->pte.eaddr & ea_mask) == guest_ea) {
+			invalidate_pte(vcpu, pte);
+		}
+	}
+
+	/* Doing a complete flush -> start from scratch */
+	if (!ea_mask)
+		vcpu->arch.hpte_cache_offset = 0;
+}
+
+void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 guest_vp, u64 vp_mask)
+{
+	int i;
+
+	dprintk_mmu("KVM: Flushing %d Shadow vPTEs: 0x%llx & 0x%llx\n",
+		    vcpu->arch.hpte_cache_offset, guest_vp, vp_mask);
+	BUG_ON(vcpu->arch.hpte_cache_offset > HPTEG_CACHE_NUM);
+
+	guest_vp &= vp_mask;
+	for (i = 0; i < vcpu->arch.hpte_cache_offset; i++) {
+		struct hpte_cache *pte;
+
+		pte = &vcpu->arch.hpte_cache[i];
+		if (!pte->host_va)
+			continue;
+
+		if ((pte->pte.vpage & vp_mask) == guest_vp) {
+			invalidate_pte(vcpu, pte);
+		}
+	}
+}
+
+void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end)
+{
+	int i;
+
+	dprintk_mmu("KVM: Flushing %d Shadow pPTEs: 0x%llx & 0x%llx\n",
+		    vcpu->arch.hpte_cache_offset, pa_start, pa_end);
+	BUG_ON(vcpu->arch.hpte_cache_offset > HPTEG_CACHE_NUM);
+
+	for (i = 0; i < vcpu->arch.hpte_cache_offset; i++) {
+		struct hpte_cache *pte;
+
+		pte = &vcpu->arch.hpte_cache[i];
+		if (!pte->host_va)
+			continue;
+
+		if ((pte->pte.raddr >= pa_start) &&
+		    (pte->pte.raddr < pa_end)) {
+			invalidate_pte(vcpu, pte);
+		}
+	}
+}
+
+struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data)
+{
+	int i;
+	u64 guest_vp;
+
+	guest_vp = vcpu->arch.mmu.ea_to_vp(vcpu, ea, false);
+	for (i=0; i<vcpu->arch.hpte_cache_offset; i++) {
+		struct hpte_cache *pte;
+
+		pte = &vcpu->arch.hpte_cache[i];
+		if (!pte->host_va)
+			continue;
+
+		if (pte->pte.vpage == guest_vp)
+			return &pte->pte;
+	}
+
+	return NULL;
+}
+
+static int kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu)
+{
+	if (vcpu->arch.hpte_cache_offset == HPTEG_CACHE_NUM)
+		kvmppc_mmu_pte_flush(vcpu, 0, 0);
+
+	return vcpu->arch.hpte_cache_offset++;
+}
+
+/* We keep 512 gvsid->hvsid entries, mapping the guest ones to the array using
+ * a hash, so we don't waste cycles on looping */
+static u16 kvmppc_sid_hash(struct kvm_vcpu *vcpu, u64 gvsid)
+{
+	return (u16)(((gvsid >> (SID_MAP_BITS * 7)) & SID_MAP_MASK) ^
+		     ((gvsid >> (SID_MAP_BITS * 6)) & SID_MAP_MASK) ^
+		     ((gvsid >> (SID_MAP_BITS * 5)) & SID_MAP_MASK) ^
+		     ((gvsid >> (SID_MAP_BITS * 4)) & SID_MAP_MASK) ^
+		     ((gvsid >> (SID_MAP_BITS * 3)) & SID_MAP_MASK) ^
+		     ((gvsid >> (SID_MAP_BITS * 2)) & SID_MAP_MASK) ^
+		     ((gvsid >> (SID_MAP_BITS * 1)) & SID_MAP_MASK) ^
+		     ((gvsid >> (SID_MAP_BITS * 0)) & SID_MAP_MASK));
+}
+
+
+static struct kvmppc_sid_map *find_sid_vsid(struct kvm_vcpu *vcpu, u64 gvsid)
+{
+	struct kvmppc_sid_map *map;
+	u16 sid_map_mask;
+
+	if (vcpu->arch.msr & MSR_PR)
+		gvsid |= VSID_PR;
+
+	sid_map_mask = kvmppc_sid_hash(vcpu, gvsid);
+	map = &to_book3s(vcpu)->sid_map[sid_map_mask];
+	if (map->guest_vsid == gvsid) {
+		dprintk_sr("SR: Searching 0x%llx -> 0x%llx\n",
+			    gvsid, map->host_vsid);
+		return map;
+	}
+
+	map = &to_book3s(vcpu)->sid_map[SID_MAP_MASK - sid_map_mask];
+	if (map->guest_vsid == gvsid) {
+		dprintk_sr("SR: Searching 0x%llx -> 0x%llx\n",
+			    gvsid, map->host_vsid);
+		return map;
+	}
+
+	dprintk_sr("SR: Searching 0x%llx -> not found\n", gvsid);
+	return NULL;
+}
+
+extern struct hash_pte *Hash;
+extern unsigned long _SDR1;
+
+static u32 *kvmppc_mmu_get_pteg(struct kvm_vcpu *vcpu, u32 vsid, u32 eaddr,
+				bool primary)
+{
+	u32 page, hash, htabmask;
+	ulong pteg = (ulong)Hash;
+
+	page = (eaddr & ~ESID_MASK) >> 12;
+
+	hash = ((vsid ^ page) << 6);
+	if (!primary)
+		hash = ~hash;
+
+	htabmask = ((_SDR1 & 0x1FF) << 16) | 0xFFC0;
+	hash &= htabmask;
+
+	pteg |= hash;
+
+	dprintk_mmu("htab: %p | hash: %x | htabmask: %x | pteg: %lx\n",
+		Hash, hash, htabmask, pteg);
+
+	return (u32*)pteg;
+}
+
+extern char etext[];
+
+int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte)
+{
+	pfn_t hpaddr;
+	u64 va;
+	u64 vsid;
+	struct kvmppc_sid_map *map;
+	volatile u32 *pteg;
+	u32 eaddr = orig_pte->eaddr;
+	u32 pteg0, pteg1;
+	register int rr = 0;
+	bool primary = false;
+	bool evict = false;
+	int hpte_id;
+	struct hpte_cache *pte;
+
+	/* Get host physical address for gpa */
+	hpaddr = gfn_to_pfn(vcpu->kvm, orig_pte->raddr >> PAGE_SHIFT);
+	if (kvm_is_error_hva(hpaddr)) {
+		printk(KERN_INFO "Couldn't get guest page for gfn %llx!\n",
+				 orig_pte->eaddr);
+		return -EINVAL;
+	}
+	hpaddr <<= PAGE_SHIFT;
+
+	/* and write the mapping ea -> hpa into the pt */
+	vcpu->arch.mmu.esid_to_vsid(vcpu, orig_pte->eaddr >> SID_SHIFT, &vsid);
+	map = find_sid_vsid(vcpu, vsid);
+	if (!map) {
+		kvmppc_mmu_map_segment(vcpu, eaddr);
+		map = find_sid_vsid(vcpu, vsid);
+	}
+	BUG_ON(!map);
+
+	vsid = map->host_vsid;
+	va = (vsid << SID_SHIFT) | (eaddr & ~ESID_MASK);
+
+next_pteg:
+	if (rr == 16) {
+		primary = !primary;
+		evict = true;
+		rr = 0;
+	}
+
+	pteg = kvmppc_mmu_get_pteg(vcpu, vsid, eaddr, primary);
+
+	/* not evicting yet */
+	if (!evict && (pteg[rr] & PTE_V)) {
+		rr += 2;
+		goto next_pteg;
+	}
+
+	dprintk_mmu("KVM: old PTEG: %p (%d)\n", pteg, rr);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[0], pteg[1]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[2], pteg[3]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[4], pteg[5]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[6], pteg[7]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[8], pteg[9]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[10], pteg[11]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[12], pteg[13]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[14], pteg[15]);
+
+	pteg0 = ((eaddr & 0x0fffffff) >> 22) | (vsid << 7) | PTE_V |
+		(primary ? 0 : PTE_SEC);
+	pteg1 = hpaddr | PTE_M | PTE_R | PTE_C;
+
+	if (orig_pte->may_write) {
+		pteg1 |= PP_RWRW;
+		mark_page_dirty(vcpu->kvm, orig_pte->raddr >> PAGE_SHIFT);
+	} else {
+		pteg1 |= PP_RWRX;
+	}
+
+	local_irq_disable();
+
+	if (pteg[rr]) {
+		pteg[rr] = 0;
+		asm volatile ("sync");
+	}
+	pteg[rr + 1] = pteg1;
+	pteg[rr] = pteg0;
+	asm volatile ("sync");
+
+	local_irq_enable();
+
+	dprintk_mmu("KVM: new PTEG: %p\n", pteg);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[0], pteg[1]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[2], pteg[3]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[4], pteg[5]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[6], pteg[7]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[8], pteg[9]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[10], pteg[11]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[12], pteg[13]);
+	dprintk_mmu("KVM:   %08x - %08x\n", pteg[14], pteg[15]);
+
+
+	/* Now tell our Shadow PTE code about the new page */
+
+	hpte_id = kvmppc_mmu_hpte_cache_next(vcpu);
+	pte = &vcpu->arch.hpte_cache[hpte_id];
+
+	dprintk_mmu("KVM: %c%c Map 0x%llx: [%lx] 0x%llx (0x%llx) -> %lx\n",
+		    orig_pte->may_write ? 'w' : '-',
+		    orig_pte->may_execute ? 'x' : '-',
+		    orig_pte->eaddr, (ulong)pteg, va,
+		    orig_pte->vpage, hpaddr);
+
+	pte->slot = (ulong)&pteg[rr];
+	pte->host_va = va;
+	pte->pte = *orig_pte;
+	pte->pfn = hpaddr >> PAGE_SHIFT;
+
+	return 0;
+}
+
+static struct kvmppc_sid_map *create_sid_map(struct kvm_vcpu *vcpu, u64 gvsid)
+{
+	struct kvmppc_sid_map *map;
+	struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
+	u16 sid_map_mask;
+	static int backwards_map = 0;
+
+	if (vcpu->arch.msr & MSR_PR)
+		gvsid |= VSID_PR;
+
+	/* We might get collisions that trap in preceding order, so let's
+	   map them differently */
+
+	sid_map_mask = kvmppc_sid_hash(vcpu, gvsid);
+	if (backwards_map)
+		sid_map_mask = SID_MAP_MASK - sid_map_mask;
+
+	map = &to_book3s(vcpu)->sid_map[sid_map_mask];
+
+	/* Make sure we're taking the other map next time */
+	backwards_map = !backwards_map;
+
+	/* Uh-oh ... out of mappings. Let's flush! */
+	if (vcpu_book3s->vsid_next >= vcpu_book3s->vsid_max) {
+		vcpu_book3s->vsid_next = vcpu_book3s->vsid_first;
+		memset(vcpu_book3s->sid_map, 0,
+		       sizeof(struct kvmppc_sid_map) * SID_MAP_NUM);
+		kvmppc_mmu_pte_flush(vcpu, 0, 0);
+		kvmppc_mmu_flush_segments(vcpu);
+	}
+	map->host_vsid = vcpu_book3s->vsid_next;
+
+	/* Would have to be 111 to be completely aligned with the rest of
+	   Linux, but that is just way too little space! */
+	vcpu_book3s->vsid_next+=1;
+
+	map->guest_vsid = gvsid;
+	map->valid = true;
+
+	return map;
+}
+
+int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr)
+{
+	u32 esid = eaddr >> SID_SHIFT;
+	u64 gvsid;
+	u32 sr;
+	struct kvmppc_sid_map *map;
+	struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu);
+
+	if (vcpu->arch.mmu.esid_to_vsid(vcpu, esid, &gvsid)) {
+		/* Invalidate an entry */
+		svcpu->sr[esid] = SR_INVALID;
+		return -ENOENT;
+	}
+
+	map = find_sid_vsid(vcpu, gvsid);
+	if (!map)
+		map = create_sid_map(vcpu, gvsid);
+
+	map->guest_esid = esid;
+	sr = map->host_vsid | SR_KP;
+	svcpu->sr[esid] = sr;
+
+	dprintk_sr("MMU: mtsr %d, 0x%x\n", esid, sr);
+
+	return 0;
+}
+
+void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu)
+{
+	int i;
+	struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu);
+
+	dprintk_sr("MMU: flushing all segments (%d)\n", ARRAY_SIZE(svcpu->sr));
+	for (i = 0; i < ARRAY_SIZE(svcpu->sr); i++)
+		svcpu->sr[i] = SR_INVALID;
+}
+
+void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
+{
+	kvmppc_mmu_pte_flush(vcpu, 0, 0);
+	preempt_disable();
+	__destroy_context(to_book3s(vcpu)->context_id);
+	preempt_enable();
+}
+
+/* From mm/mmu_context_hash32.c */
+#define CTX_TO_VSID(ctx) (((ctx) * (897 * 16)) & 0xffffff)
+
+int kvmppc_mmu_init(struct kvm_vcpu *vcpu)
+{
+	struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
+	int err;
+
+	err = __init_new_context();
+	if (err < 0)
+		return -1;
+	vcpu3s->context_id = err;
+
+	vcpu3s->vsid_max = CTX_TO_VSID(vcpu3s->context_id + 1) - 1;
+	vcpu3s->vsid_first = CTX_TO_VSID(vcpu3s->context_id);
+
+#if 0 /* XXX still doesn't guarantee uniqueness */
+	/* We could collide with the Linux vsid space because the vsid
+	 * wraps around at 24 bits. We're safe if we do our own space
+	 * though, so let's always set the highest bit. */
+
+	vcpu3s->vsid_max |= 0x00800000;
+	vcpu3s->vsid_first |= 0x00800000;
+#endif
+	BUG_ON(vcpu3s->vsid_max < vcpu3s->vsid_first);
+
+	vcpu3s->vsid_next = vcpu3s->vsid_first;
+
+	return 0;
+}

From 786f19daa8b109ae6b96a351eee3a14b9f8b57d0 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:34 +0200
Subject: [PATCH 1691/3638] KVM: PPC: Add SR swapping code

Later in this series we will move the current segment switch code to
generic code and make that call hooks for the specific sub-archs (32
vs. 64 bit). This is the hook for 32 bits.

It enabled the entry and exit code to swap segment registers with
values from the shadow cpu structure.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_32_sr.S | 143 ++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 arch/powerpc/kvm/book3s_32_sr.S

diff --git a/arch/powerpc/kvm/book3s_32_sr.S b/arch/powerpc/kvm/book3s_32_sr.S
new file mode 100644
index 00000000000..3608471ad2d
--- /dev/null
+++ b/arch/powerpc/kvm/book3s_32_sr.S
@@ -0,0 +1,143 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright SUSE Linux Products GmbH 2009
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+/******************************************************************************
+ *                                                                            *
+ *                               Entry code                                   *
+ *                                                                            *
+ *****************************************************************************/
+
+.macro LOAD_GUEST_SEGMENTS
+
+	/* Required state:
+	 *
+	 * MSR = ~IR|DR
+	 * R1 = host R1
+	 * R2 = host R2
+	 * R3 = shadow vcpu
+	 * all other volatile GPRS = free
+	 * SVCPU[CR]  = guest CR
+	 * SVCPU[XER] = guest XER
+	 * SVCPU[CTR] = guest CTR
+	 * SVCPU[LR]  = guest LR
+	 */
+
+#define XCHG_SR(n)	lwz	r9, (SVCPU_SR+(n*4))(r3);  \
+			mtsr	n, r9
+
+	XCHG_SR(0)
+	XCHG_SR(1)
+	XCHG_SR(2)
+	XCHG_SR(3)
+	XCHG_SR(4)
+	XCHG_SR(5)
+	XCHG_SR(6)
+	XCHG_SR(7)
+	XCHG_SR(8)
+	XCHG_SR(9)
+	XCHG_SR(10)
+	XCHG_SR(11)
+	XCHG_SR(12)
+	XCHG_SR(13)
+	XCHG_SR(14)
+	XCHG_SR(15)
+
+	/* Clear BATs. */
+
+#define KVM_KILL_BAT(n, reg)		\
+        mtspr   SPRN_IBAT##n##U,reg;	\
+        mtspr   SPRN_IBAT##n##L,reg;	\
+        mtspr   SPRN_DBAT##n##U,reg;	\
+        mtspr   SPRN_DBAT##n##L,reg;	\
+
+        li	r9, 0
+	KVM_KILL_BAT(0, r9)
+	KVM_KILL_BAT(1, r9)
+	KVM_KILL_BAT(2, r9)
+	KVM_KILL_BAT(3, r9)
+
+.endm
+
+/******************************************************************************
+ *                                                                            *
+ *                               Exit code                                    *
+ *                                                                            *
+ *****************************************************************************/
+
+.macro LOAD_HOST_SEGMENTS
+
+	/* Register usage at this point:
+	 *
+	 * R1         = host R1
+	 * R2         = host R2
+	 * R12        = exit handler id
+	 * R13        = shadow vcpu - SHADOW_VCPU_OFF
+	 * SVCPU.*    = guest *
+	 * SVCPU[CR]  = guest CR
+	 * SVCPU[XER] = guest XER
+	 * SVCPU[CTR] = guest CTR
+	 * SVCPU[LR]  = guest LR
+	 *
+	 */
+
+	/* Restore BATs */
+
+	/* We only overwrite the upper part, so we only restoree
+	   the upper part. */
+#define KVM_LOAD_BAT(n, reg, RA, RB)	\
+	lwz	RA,(n*16)+0(reg);	\
+	lwz	RB,(n*16)+4(reg);	\
+	mtspr	SPRN_IBAT##n##U,RA;	\
+	mtspr	SPRN_IBAT##n##L,RB;	\
+	lwz	RA,(n*16)+8(reg);	\
+	lwz	RB,(n*16)+12(reg);	\
+	mtspr	SPRN_DBAT##n##U,RA;	\
+	mtspr	SPRN_DBAT##n##L,RB;	\
+
+	lis     r9, BATS@ha
+	addi    r9, r9, BATS@l
+	tophys(r9, r9)
+	KVM_LOAD_BAT(0, r9, r10, r11)
+	KVM_LOAD_BAT(1, r9, r10, r11)
+	KVM_LOAD_BAT(2, r9, r10, r11)
+	KVM_LOAD_BAT(3, r9, r10, r11)
+
+	/* Restore Segment Registers */
+
+	/* 0xc - 0xf */
+
+        li      r0, 4
+        mtctr   r0
+	LOAD_REG_IMMEDIATE(r3, 0x20000000 | (0x111 * 0xc))
+        lis     r4, 0xc000
+3:      mtsrin  r3, r4
+        addi    r3, r3, 0x111     /* increment VSID */
+        addis   r4, r4, 0x1000    /* address of next segment */
+        bdnz    3b
+
+	/* 0x0 - 0xb */
+
+	/* 'current->mm' needs to be in r4 */
+	tophys(r4, r2)
+	lwz	r4, MM(r4)
+	tophys(r4, r4)
+	/* This only clobbers r0, r3, r4 and r5 */
+	bl	switch_mmu_context
+
+.endm

From 0737279427bef48f552b3ab63a6c0ba7491fe29f Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:35 +0200
Subject: [PATCH 1692/3638] KVM: PPC: Add generic segment switching code

This is the code that will later be used instead of book3s_64_slb.S. It
does the last step of guest entry and the first generic steps of guest
exiting, once we have determined the interrupt is a KVM interrupt.

It also reads the last used instruction from the guest virtual address
space if necessary, to speed up that path.

The new thing about this file is that it makes use of generic long load
and store functions and calls a macro to fill in the actual segment
switching code. That still needs to be done differently for book3s_32 and
book3s_64.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_segment.S | 257 ++++++++++++++++++++++++++++++
 1 file changed, 257 insertions(+)
 create mode 100644 arch/powerpc/kvm/book3s_segment.S

diff --git a/arch/powerpc/kvm/book3s_segment.S b/arch/powerpc/kvm/book3s_segment.S
new file mode 100644
index 00000000000..4c0d1d85d20
--- /dev/null
+++ b/arch/powerpc/kvm/book3s_segment.S
@@ -0,0 +1,257 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright SUSE Linux Products GmbH 2010
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+/* Real mode helpers */
+
+#if defined(CONFIG_PPC_BOOK3S_64)
+
+#define GET_SHADOW_VCPU(reg)    \
+	addi    reg, r13, PACA_KVM_SVCPU
+
+#elif defined(CONFIG_PPC_BOOK3S_32)
+
+#define GET_SHADOW_VCPU(reg)    			\
+	tophys(reg, r2);       			\
+	lwz     reg, (THREAD + THREAD_KVM_SVCPU)(reg);	\
+	tophys(reg, reg)
+
+#endif
+
+/* Disable for nested KVM */
+#define USE_QUICK_LAST_INST
+
+
+/* Get helper functions for subarch specific functionality */
+
+#if defined(CONFIG_PPC_BOOK3S_64)
+#include "book3s_64_slb.S"
+#elif defined(CONFIG_PPC_BOOK3S_32)
+#include "book3s_32_sr.S"
+#endif
+
+/******************************************************************************
+ *                                                                            *
+ *                               Entry code                                   *
+ *                                                                            *
+ *****************************************************************************/
+
+.global kvmppc_handler_trampoline_enter
+kvmppc_handler_trampoline_enter:
+
+	/* Required state:
+	 *
+	 * MSR = ~IR|DR
+	 * R13 = PACA
+	 * R1 = host R1
+	 * R2 = host R2
+	 * R10 = guest MSR
+	 * all other volatile GPRS = free
+	 * SVCPU[CR] = guest CR
+	 * SVCPU[XER] = guest XER
+	 * SVCPU[CTR] = guest CTR
+	 * SVCPU[LR] = guest LR
+	 */
+
+	/* r3 = shadow vcpu */
+	GET_SHADOW_VCPU(r3)
+
+	/* Move SRR0 and SRR1 into the respective regs */
+	PPC_LL  r9, SVCPU_PC(r3)
+	mtsrr0	r9
+	mtsrr1	r10
+
+	/* Activate guest mode, so faults get handled by KVM */
+	li	r11, KVM_GUEST_MODE_GUEST
+	stb	r11, SVCPU_IN_GUEST(r3)
+
+	/* Switch to guest segment. This is subarch specific. */
+	LOAD_GUEST_SEGMENTS
+
+	/* Enter guest */
+
+	PPC_LL	r4, (SVCPU_CTR)(r3)
+	PPC_LL	r5, (SVCPU_LR)(r3)
+	lwz	r6, (SVCPU_CR)(r3)
+	lwz	r7, (SVCPU_XER)(r3)
+
+	mtctr	r4
+	mtlr	r5
+	mtcr	r6
+	mtxer	r7
+
+	PPC_LL	r0, (SVCPU_R0)(r3)
+	PPC_LL	r1, (SVCPU_R1)(r3)
+	PPC_LL	r2, (SVCPU_R2)(r3)
+	PPC_LL	r4, (SVCPU_R4)(r3)
+	PPC_LL	r5, (SVCPU_R5)(r3)
+	PPC_LL	r6, (SVCPU_R6)(r3)
+	PPC_LL	r7, (SVCPU_R7)(r3)
+	PPC_LL	r8, (SVCPU_R8)(r3)
+	PPC_LL	r9, (SVCPU_R9)(r3)
+	PPC_LL	r10, (SVCPU_R10)(r3)
+	PPC_LL	r11, (SVCPU_R11)(r3)
+	PPC_LL	r12, (SVCPU_R12)(r3)
+	PPC_LL	r13, (SVCPU_R13)(r3)
+
+	PPC_LL	r3, (SVCPU_R3)(r3)
+
+	RFI
+kvmppc_handler_trampoline_enter_end:
+
+
+
+/******************************************************************************
+ *                                                                            *
+ *                               Exit code                                    *
+ *                                                                            *
+ *****************************************************************************/
+
+.global kvmppc_handler_trampoline_exit
+kvmppc_handler_trampoline_exit:
+
+	/* Register usage at this point:
+	 *
+	 * SPRG_SCRATCH0  = guest R13
+	 * R12            = exit handler id
+	 * R13            = shadow vcpu - SHADOW_VCPU_OFF [=PACA on PPC64]
+	 * SVCPU.SCRATCH0 = guest R12
+	 * SVCPU.SCRATCH1 = guest CR
+	 *
+	 */
+
+	/* Save registers */
+
+	PPC_STL	r0, (SHADOW_VCPU_OFF + SVCPU_R0)(r13)
+	PPC_STL	r1, (SHADOW_VCPU_OFF + SVCPU_R1)(r13)
+	PPC_STL	r2, (SHADOW_VCPU_OFF + SVCPU_R2)(r13)
+	PPC_STL	r3, (SHADOW_VCPU_OFF + SVCPU_R3)(r13)
+	PPC_STL	r4, (SHADOW_VCPU_OFF + SVCPU_R4)(r13)
+	PPC_STL	r5, (SHADOW_VCPU_OFF + SVCPU_R5)(r13)
+	PPC_STL	r6, (SHADOW_VCPU_OFF + SVCPU_R6)(r13)
+	PPC_STL	r7, (SHADOW_VCPU_OFF + SVCPU_R7)(r13)
+	PPC_STL	r8, (SHADOW_VCPU_OFF + SVCPU_R8)(r13)
+	PPC_STL	r9, (SHADOW_VCPU_OFF + SVCPU_R9)(r13)
+	PPC_STL	r10, (SHADOW_VCPU_OFF + SVCPU_R10)(r13)
+	PPC_STL	r11, (SHADOW_VCPU_OFF + SVCPU_R11)(r13)
+
+	/* Restore R1/R2 so we can handle faults */
+	PPC_LL	r1, (SHADOW_VCPU_OFF + SVCPU_HOST_R1)(r13)
+	PPC_LL	r2, (SHADOW_VCPU_OFF + SVCPU_HOST_R2)(r13)
+
+	/* Save guest PC and MSR */
+	mfsrr0	r3
+	mfsrr1	r4
+
+	PPC_STL	r3, (SHADOW_VCPU_OFF + SVCPU_PC)(r13)
+	PPC_STL	r4, (SHADOW_VCPU_OFF + SVCPU_SHADOW_SRR1)(r13)
+
+	/* Get scratch'ed off registers */
+	mfspr	r9, SPRN_SPRG_SCRATCH0
+	PPC_LL	r8, (SHADOW_VCPU_OFF + SVCPU_SCRATCH0)(r13)
+	lwz	r7, (SHADOW_VCPU_OFF + SVCPU_SCRATCH1)(r13)
+
+	PPC_STL	r9, (SHADOW_VCPU_OFF + SVCPU_R13)(r13)
+	PPC_STL	r8, (SHADOW_VCPU_OFF + SVCPU_R12)(r13)
+	stw	r7, (SHADOW_VCPU_OFF + SVCPU_CR)(r13)
+
+	/* Save more register state  */
+
+	mfxer	r5
+	mfdar	r6
+	mfdsisr	r7
+	mfctr	r8
+	mflr	r9
+
+	stw	r5, (SHADOW_VCPU_OFF + SVCPU_XER)(r13)
+	PPC_STL	r6, (SHADOW_VCPU_OFF + SVCPU_FAULT_DAR)(r13)
+	stw	r7, (SHADOW_VCPU_OFF + SVCPU_FAULT_DSISR)(r13)
+	PPC_STL	r8, (SHADOW_VCPU_OFF + SVCPU_CTR)(r13)
+	PPC_STL	r9, (SHADOW_VCPU_OFF + SVCPU_LR)(r13)
+
+	/*
+	 * In order for us to easily get the last instruction,
+	 * we got the #vmexit at, we exploit the fact that the
+	 * virtual layout is still the same here, so we can just
+	 * ld from the guest's PC address
+	 */
+
+	/* We only load the last instruction when it's safe */
+	cmpwi	r12, BOOK3S_INTERRUPT_DATA_STORAGE
+	beq	ld_last_inst
+	cmpwi	r12, BOOK3S_INTERRUPT_PROGRAM
+	beq	ld_last_inst
+
+	b	no_ld_last_inst
+
+ld_last_inst:
+	/* Save off the guest instruction we're at */
+
+	/* In case lwz faults */
+	li	r0, KVM_INST_FETCH_FAILED
+
+#ifdef USE_QUICK_LAST_INST
+
+	/* Set guest mode to 'jump over instruction' so if lwz faults
+	 * we'll just continue at the next IP. */
+	li	r9, KVM_GUEST_MODE_SKIP
+	stb	r9, (SHADOW_VCPU_OFF + SVCPU_IN_GUEST)(r13)
+
+	/*    1) enable paging for data */
+	mfmsr	r9
+	ori	r11, r9, MSR_DR			/* Enable paging for data */
+	mtmsr	r11
+	sync
+	/*    2) fetch the instruction */
+	lwz	r0, 0(r3)
+	/*    3) disable paging again */
+	mtmsr	r9
+	sync
+
+#endif
+	stw	r0, (SHADOW_VCPU_OFF + SVCPU_LAST_INST)(r13)
+
+no_ld_last_inst:
+
+	/* Unset guest mode */
+	li	r9, KVM_GUEST_MODE_NONE
+	stb	r9, (SHADOW_VCPU_OFF + SVCPU_IN_GUEST)(r13)
+
+	/* Switch back to host MMU */
+	LOAD_HOST_SEGMENTS
+
+	/* Register usage at this point:
+	 *
+	 * R1       = host R1
+	 * R2       = host R2
+	 * R12      = exit handler id
+	 * R13      = shadow vcpu - SHADOW_VCPU_OFF [=PACA on PPC64]
+	 * SVCPU.*  = guest *
+	 *
+	 */
+
+	/* RFI into the highmem handler */
+	mfmsr	r7
+	ori	r7, r7, MSR_IR|MSR_DR|MSR_RI|MSR_ME	/* Enable paging */
+	mtsrr1	r7
+	/* Load highmem handler address */
+	PPC_LL	r8, (SHADOW_VCPU_OFF + SVCPU_VMHANDLER)(r13)
+	mtsrr0	r8
+
+	RFI
+kvmppc_handler_trampoline_exit_end:

From c83ec269e6931edf61abe1ed777ebb867b06a85c Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:36 +0200
Subject: [PATCH 1693/3638] PPC: Split context init/destroy functions

We need to reserve a context from KVM to make sure we have our own
segment space. While we did that split for Book3S_64 already, 32 bit
is still outstanding.

So let's split it now.

Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/mmu_context.h |  2 ++
 arch/powerpc/mm/mmu_context_hash32.c   | 29 +++++++++++++++++++-------
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index 26383e0778a..81fb41289d6 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -27,6 +27,8 @@ extern int __init_new_context(void);
 extern void __destroy_context(int context_id);
 static inline void mmu_context_init(void) { }
 #else
+extern unsigned long __init_new_context(void);
+extern void __destroy_context(unsigned long context_id);
 extern void mmu_context_init(void);
 #endif
 
diff --git a/arch/powerpc/mm/mmu_context_hash32.c b/arch/powerpc/mm/mmu_context_hash32.c
index 0dfba2bf7f3..d0ee554e86e 100644
--- a/arch/powerpc/mm/mmu_context_hash32.c
+++ b/arch/powerpc/mm/mmu_context_hash32.c
@@ -60,11 +60,7 @@
 static unsigned long next_mmu_context;
 static unsigned long context_map[LAST_CONTEXT / BITS_PER_LONG + 1];
 
-
-/*
- * Set up the context for a new address space.
- */
-int init_new_context(struct task_struct *t, struct mm_struct *mm)
+unsigned long __init_new_context(void)
 {
 	unsigned long ctx = next_mmu_context;
 
@@ -74,11 +70,30 @@ int init_new_context(struct task_struct *t, struct mm_struct *mm)
 			ctx = 0;
 	}
 	next_mmu_context = (ctx + 1) & LAST_CONTEXT;
-	mm->context.id = ctx;
+
+	return ctx;
+}
+EXPORT_SYMBOL_GPL(__init_new_context);
+
+/*
+ * Set up the context for a new address space.
+ */
+int init_new_context(struct task_struct *t, struct mm_struct *mm)
+{
+	mm->context.id = __init_new_context();
 
 	return 0;
 }
 
+/*
+ * Free a context ID. Make sure to call this with preempt disabled!
+ */
+void __destroy_context(unsigned long ctx)
+{
+	clear_bit(ctx, context_map);
+}
+EXPORT_SYMBOL_GPL(__destroy_context);
+
 /*
  * We're finished using the context for an address space.
  */
@@ -86,7 +101,7 @@ void destroy_context(struct mm_struct *mm)
 {
 	preempt_disable();
 	if (mm->context.id != NO_CONTEXT) {
-		clear_bit(mm->context.id, context_map);
+		__destroy_context(mm->context.id);
 		mm->context.id = NO_CONTEXT;
 	}
 	preempt_enable();

From 3ae07890dd40e40fa78270900894fba3bb448439 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:37 +0200
Subject: [PATCH 1694/3638] KVM: PPC: Add kvm_book3s_64.h

In the process of generalizing as much code as possible, I also moved
the shadow vcpu code together to a generic book3s file. Unfortunately
the location of the shadow vcpu is different on 32 and 64 bit, so we
need a wrapper function to tell us where it is.

That sounded like a perfect fit for a subarch specific header file.
Here we can put anything that needs to be different between those two.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s_64.h | 28 ++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 arch/powerpc/include/asm/kvm_book3s_64.h

diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
new file mode 100644
index 00000000000..4cadd612d57
--- /dev/null
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -0,0 +1,28 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright SUSE Linux Products GmbH 2010
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#ifndef __ASM_KVM_BOOK3S_64_H__
+#define __ASM_KVM_BOOK3S_64_H__
+
+static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu)
+{
+	return &get_paca()->shadow_vcpu;
+}
+
+#endif /* __ASM_KVM_BOOK3S_64_H__ */

From 8c60b9fb0f9dca8adb0143456245041e7a036c2f Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:38 +0200
Subject: [PATCH 1695/3638] KVM: PPC: Add kvm_book3s_32.h

In analogy to the 64 bit specific header file, this is the 32 bit
pendant. With this in place we can just always call to_svcpu and
be assured we get the right pointer anywhere.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s_32.h | 42 ++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 arch/powerpc/include/asm/kvm_book3s_32.h

diff --git a/arch/powerpc/include/asm/kvm_book3s_32.h b/arch/powerpc/include/asm/kvm_book3s_32.h
new file mode 100644
index 00000000000..de604db135f
--- /dev/null
+++ b/arch/powerpc/include/asm/kvm_book3s_32.h
@@ -0,0 +1,42 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright SUSE Linux Products GmbH 2010
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#ifndef __ASM_KVM_BOOK3S_32_H__
+#define __ASM_KVM_BOOK3S_32_H__
+
+static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu)
+{
+	return to_book3s(vcpu)->shadow_vcpu;
+}
+
+#define PTE_SIZE	12
+#define VSID_ALL	0
+#define SR_INVALID	0x00000001	/* VSID 1 should always be unused */
+#define SR_KP		0x20000000
+#define PTE_V		0x80000000
+#define PTE_SEC		0x00000040
+#define PTE_M		0x00000010
+#define PTE_R		0x00000100
+#define PTE_C		0x00000080
+
+#define SID_SHIFT	28
+#define ESID_MASK	0xf0000000
+#define VSID_MASK	0x00fffffff0000000ULL
+
+#endif /* __ASM_KVM_BOOK3S_32_H__ */

From 66bb170655799a0149df0844fb8232f27e54323c Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:39 +0200
Subject: [PATCH 1696/3638] KVM: PPC: Add fields to shadow vcpu

After a lot of thought on how to make the entry / exit code easier,
I figured it'd be clever to put even more register state into the
shadow vcpu. That way we have more registers available to use, making
the code easier to read.

So this patch adds a few new fields to that shadow vcpu. Later on we
will remove the originals from the vcpu and paca.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s_asm.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
index 183461b4840..e915e7dfa62 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -63,12 +63,33 @@ struct kvmppc_book3s_shadow_vcpu {
 	ulong gpr[14];
 	u32 cr;
 	u32 xer;
+
+	u32 fault_dsisr;
+	u32 last_inst;
+	ulong ctr;
+	ulong lr;
+	ulong pc;
+	ulong shadow_srr1;
+	ulong fault_dar;
+
 	ulong host_r1;
 	ulong host_r2;
 	ulong handler;
 	ulong scratch0;
 	ulong scratch1;
 	ulong vmhandler;
+	u8 in_guest;
+
+#ifdef CONFIG_PPC_BOOK3S_32
+	u32     sr[16];			/* Guest SRs */
+#endif
+#ifdef CONFIG_PPC_BOOK3S_64
+	u8 slb_max;			/* highest used guest slb entry */
+	struct  {
+		u64     esid;
+		u64     vsid;
+	} slb[64];			/* guest SLB */
+#endif
 };
 
 #endif /*__ASSEMBLY__ */

From c7f38f46f2a98d232147e47284cb4e7363296a3e Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:40 +0200
Subject: [PATCH 1697/3638] KVM: PPC: Improve indirect svcpu accessors

We already have some inline fuctions we use to access vcpu or svcpu structs,
depending on whether we're on booke or book3s. Since we just put a few more
registers into the svcpu, we also need to make sure the respective callbacks
are available and get used.

So this patch moves direct use of the now in the svcpu struct fields to
inline function calls. While at it, it also moves the definition of those
inline function calls to respective header files for booke and book3s,
greatly improving readability.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h    |  98 +++++++++++++++++-
 arch/powerpc/include/asm/kvm_booke.h     |  96 +++++++++++++++++
 arch/powerpc/include/asm/kvm_ppc.h       |  79 +-------------
 arch/powerpc/kvm/book3s.c                | 125 +++++++++++++----------
 arch/powerpc/kvm/book3s_64_mmu.c         |   2 +-
 arch/powerpc/kvm/book3s_64_mmu_host.c    |  26 ++---
 arch/powerpc/kvm/book3s_emulate.c        |   6 +-
 arch/powerpc/kvm/book3s_paired_singles.c |   2 +-
 arch/powerpc/kvm/emulate.c               |   7 +-
 arch/powerpc/kvm/powerpc.c               |   2 +-
 10 files changed, 290 insertions(+), 153 deletions(-)
 create mode 100644 arch/powerpc/include/asm/kvm_booke.h

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 7670e2a1286..9517b8deafe 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -71,7 +71,7 @@ struct kvmppc_sid_map {
 
 struct kvmppc_vcpu_book3s {
 	struct kvm_vcpu vcpu;
-	struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
+	struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
 	struct kvmppc_sid_map sid_map[SID_MAP_NUM];
 	struct kvmppc_slb slb[64];
 	struct {
@@ -147,6 +147,94 @@ static inline ulong dsisr(void)
 }
 
 extern void kvm_return_point(void);
+static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu);
+
+static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
+{
+	if ( num < 14 ) {
+		to_svcpu(vcpu)->gpr[num] = val;
+		to_book3s(vcpu)->shadow_vcpu->gpr[num] = val;
+	} else
+		vcpu->arch.gpr[num] = val;
+}
+
+static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
+{
+	if ( num < 14 )
+		return to_svcpu(vcpu)->gpr[num];
+	else
+		return vcpu->arch.gpr[num];
+}
+
+static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
+{
+	to_svcpu(vcpu)->cr = val;
+	to_book3s(vcpu)->shadow_vcpu->cr = val;
+}
+
+static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
+{
+	return to_svcpu(vcpu)->cr;
+}
+
+static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
+{
+	to_svcpu(vcpu)->xer = val;
+	to_book3s(vcpu)->shadow_vcpu->xer = val;
+}
+
+static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
+{
+	return to_svcpu(vcpu)->xer;
+}
+
+static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
+{
+	to_svcpu(vcpu)->ctr = val;
+}
+
+static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
+{
+	return to_svcpu(vcpu)->ctr;
+}
+
+static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
+{
+	to_svcpu(vcpu)->lr = val;
+}
+
+static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
+{
+	return to_svcpu(vcpu)->lr;
+}
+
+static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
+{
+	to_svcpu(vcpu)->pc = val;
+}
+
+static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
+{
+	return to_svcpu(vcpu)->pc;
+}
+
+static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
+{
+	ulong pc = kvmppc_get_pc(vcpu);
+	struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu);
+
+	/* Load the instruction manually if it failed to do so in the
+	 * exit path */
+	if (svcpu->last_inst == KVM_INST_FETCH_FAILED)
+		kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false);
+
+	return svcpu->last_inst;
+}
+
+static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
+{
+	return to_svcpu(vcpu)->fault_dar;
+}
 
 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
  * instruction for the OSI hypercalls */
@@ -155,4 +243,12 @@ extern void kvm_return_point(void);
 
 #define INS_DCBZ			0x7c0007ec
 
+/* Also add subarch specific defines */
+
+#ifdef CONFIG_PPC_BOOK3S_32
+#include <asm/kvm_book3s_32.h>
+#else
+#include <asm/kvm_book3s_64.h>
+#endif
+
 #endif /* __ASM_KVM_BOOK3S_H__ */
diff --git a/arch/powerpc/include/asm/kvm_booke.h b/arch/powerpc/include/asm/kvm_booke.h
new file mode 100644
index 00000000000..9c9ba3d59b1
--- /dev/null
+++ b/arch/powerpc/include/asm/kvm_booke.h
@@ -0,0 +1,96 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright SUSE Linux Products GmbH 2010
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#ifndef __ASM_KVM_BOOKE_H__
+#define __ASM_KVM_BOOKE_H__
+
+#include <linux/types.h>
+#include <linux/kvm_host.h>
+
+static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
+{
+	vcpu->arch.gpr[num] = val;
+}
+
+static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
+{
+	return vcpu->arch.gpr[num];
+}
+
+static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
+{
+	vcpu->arch.cr = val;
+}
+
+static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.cr;
+}
+
+static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
+{
+	vcpu->arch.xer = val;
+}
+
+static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.xer;
+}
+
+static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.last_inst;
+}
+
+static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
+{
+	vcpu->arch.ctr = val;
+}
+
+static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.ctr;
+}
+
+static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
+{
+	vcpu->arch.lr = val;
+}
+
+static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.lr;
+}
+
+static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
+{
+	vcpu->arch.pc = val;
+}
+
+static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.pc;
+}
+
+static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.fault_dear;
+}
+
+#endif /* __ASM_KVM_BOOKE_H__ */
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index 6a2464e4d6b..edade847b8f 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -30,6 +30,8 @@
 #include <linux/kvm_host.h>
 #ifdef CONFIG_PPC_BOOK3S
 #include <asm/kvm_book3s.h>
+#else
+#include <asm/kvm_booke.h>
 #endif
 
 enum emulation_result {
@@ -138,81 +140,4 @@ static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
 	return r;
 }
 
-#ifdef CONFIG_PPC_BOOK3S
-
-/* We assume we're always acting on the current vcpu */
-
-static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
-{
-	if ( num < 14 ) {
-		get_paca()->shadow_vcpu.gpr[num] = val;
-		to_book3s(vcpu)->shadow_vcpu.gpr[num] = val;
-	} else
-		vcpu->arch.gpr[num] = val;
-}
-
-static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
-{
-	if ( num < 14 )
-		return get_paca()->shadow_vcpu.gpr[num];
-	else
-		return vcpu->arch.gpr[num];
-}
-
-static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
-{
-	get_paca()->shadow_vcpu.cr = val;
-	to_book3s(vcpu)->shadow_vcpu.cr = val;
-}
-
-static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
-{
-	return get_paca()->shadow_vcpu.cr;
-}
-
-static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
-{
-	get_paca()->shadow_vcpu.xer = val;
-	to_book3s(vcpu)->shadow_vcpu.xer = val;
-}
-
-static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
-{
-	return get_paca()->shadow_vcpu.xer;
-}
-
-#else
-
-static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
-{
-	vcpu->arch.gpr[num] = val;
-}
-
-static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
-{
-	return vcpu->arch.gpr[num];
-}
-
-static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
-{
-	vcpu->arch.cr = val;
-}
-
-static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
-{
-	return vcpu->arch.cr;
-}
-
-static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
-{
-	vcpu->arch.xer = val;
-}
-
-static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
-{
-	return vcpu->arch.xer;
-}
-
-#endif
-
 #endif /* __POWERPC_KVM_PPC_H__ */
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 41c23b636f5..7ff80f9f13a 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -71,18 +71,26 @@ void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu)
 
 void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 {
-	memcpy(get_paca()->kvm_slb, to_book3s(vcpu)->slb_shadow, sizeof(get_paca()->kvm_slb));
-	memcpy(&get_paca()->shadow_vcpu, &to_book3s(vcpu)->shadow_vcpu,
+#ifdef CONFIG_PPC_BOOK3S_64
+	memcpy(to_svcpu(vcpu)->slb, to_book3s(vcpu)->slb_shadow, sizeof(to_svcpu(vcpu)->slb));
+	memcpy(&get_paca()->shadow_vcpu, to_book3s(vcpu)->shadow_vcpu,
 	       sizeof(get_paca()->shadow_vcpu));
-	get_paca()->kvm_slb_max = to_book3s(vcpu)->slb_shadow_max;
+	to_svcpu(vcpu)->slb_max = to_book3s(vcpu)->slb_shadow_max;
+#endif
+
+#ifdef CONFIG_PPC_BOOK3S_32
+	current->thread.kvm_shadow_vcpu = to_book3s(vcpu)->shadow_vcpu;
+#endif
 }
 
 void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
 {
-	memcpy(to_book3s(vcpu)->slb_shadow, get_paca()->kvm_slb, sizeof(get_paca()->kvm_slb));
-	memcpy(&to_book3s(vcpu)->shadow_vcpu, &get_paca()->shadow_vcpu,
+#ifdef CONFIG_PPC_BOOK3S_64
+	memcpy(to_book3s(vcpu)->slb_shadow, to_svcpu(vcpu)->slb, sizeof(to_svcpu(vcpu)->slb));
+	memcpy(to_book3s(vcpu)->shadow_vcpu, &get_paca()->shadow_vcpu,
 	       sizeof(get_paca()->shadow_vcpu));
-	to_book3s(vcpu)->slb_shadow_max = get_paca()->kvm_slb_max;
+	to_book3s(vcpu)->slb_shadow_max = to_svcpu(vcpu)->slb_max;
+#endif
 
 	kvmppc_giveup_ext(vcpu, MSR_FP);
 	kvmppc_giveup_ext(vcpu, MSR_VEC);
@@ -144,7 +152,7 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 					      VSID_SPLIT_MASK);
 
 		kvmppc_mmu_flush_segments(vcpu);
-		kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc);
+		kvmppc_mmu_map_segment(vcpu, kvmppc_get_pc(vcpu));
 	}
 
 	/* Preload FPU if it's enabled */
@@ -154,9 +162,9 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 
 void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags)
 {
-	vcpu->arch.srr0 = vcpu->arch.pc;
+	vcpu->arch.srr0 = kvmppc_get_pc(vcpu);
 	vcpu->arch.srr1 = vcpu->arch.msr | flags;
-	vcpu->arch.pc = to_book3s(vcpu)->hior + vec;
+	kvmppc_set_pc(vcpu, to_book3s(vcpu)->hior + vec);
 	vcpu->arch.mmu.reset_msr(vcpu);
 }
 
@@ -551,20 +559,20 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 
 	if (page_found == -ENOENT) {
 		/* Page not found in guest PTE entries */
-		vcpu->arch.dear = vcpu->arch.fault_dear;
-		to_book3s(vcpu)->dsisr = vcpu->arch.fault_dsisr;
-		vcpu->arch.msr |= (vcpu->arch.shadow_srr1 & 0x00000000f8000000ULL);
+		vcpu->arch.dear = kvmppc_get_fault_dar(vcpu);
+		to_book3s(vcpu)->dsisr = to_svcpu(vcpu)->fault_dsisr;
+		vcpu->arch.msr |= (to_svcpu(vcpu)->shadow_srr1 & 0x00000000f8000000ULL);
 		kvmppc_book3s_queue_irqprio(vcpu, vec);
 	} else if (page_found == -EPERM) {
 		/* Storage protection */
-		vcpu->arch.dear = vcpu->arch.fault_dear;
-		to_book3s(vcpu)->dsisr = vcpu->arch.fault_dsisr & ~DSISR_NOHPTE;
+		vcpu->arch.dear = kvmppc_get_fault_dar(vcpu);
+		to_book3s(vcpu)->dsisr = to_svcpu(vcpu)->fault_dsisr & ~DSISR_NOHPTE;
 		to_book3s(vcpu)->dsisr |= DSISR_PROTFAULT;
-		vcpu->arch.msr |= (vcpu->arch.shadow_srr1 & 0x00000000f8000000ULL);
+		vcpu->arch.msr |= (to_svcpu(vcpu)->shadow_srr1 & 0x00000000f8000000ULL);
 		kvmppc_book3s_queue_irqprio(vcpu, vec);
 	} else if (page_found == -EINVAL) {
 		/* Page not found in guest SLB */
-		vcpu->arch.dear = vcpu->arch.fault_dear;
+		vcpu->arch.dear = kvmppc_get_fault_dar(vcpu);
 		kvmppc_book3s_queue_irqprio(vcpu, vec + 0x80);
 	} else if (!is_mmio &&
 		   kvmppc_visible_gfn(vcpu, pte.raddr >> PAGE_SHIFT)) {
@@ -646,10 +654,11 @@ void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr)
 
 static int kvmppc_read_inst(struct kvm_vcpu *vcpu)
 {
-	ulong srr0 = vcpu->arch.pc;
+	ulong srr0 = kvmppc_get_pc(vcpu);
+	u32 last_inst = kvmppc_get_last_inst(vcpu);
 	int ret;
 
-	ret = kvmppc_ld(vcpu, &srr0, sizeof(u32), &vcpu->arch.last_inst, false);
+	ret = kvmppc_ld(vcpu, &srr0, sizeof(u32), &last_inst, false);
 	if (ret == -ENOENT) {
 		vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 33, 33, 1);
 		vcpu->arch.msr = kvmppc_set_field(vcpu->arch.msr, 34, 36, 0);
@@ -754,12 +763,12 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	run->ready_for_interrupt_injection = 1;
 #ifdef EXIT_DEBUG
 	printk(KERN_EMERG "exit_nr=0x%x | pc=0x%lx | dar=0x%lx | dec=0x%x | msr=0x%lx\n",
-		exit_nr, vcpu->arch.pc, vcpu->arch.fault_dear,
-		kvmppc_get_dec(vcpu), vcpu->arch.msr);
+		exit_nr, kvmppc_get_pc(vcpu), kvmppc_get_fault_dar(vcpu),
+		kvmppc_get_dec(vcpu), to_svcpu(vcpu)->shadow_srr1);
 #elif defined (EXIT_DEBUG_SIMPLE)
 	if ((exit_nr != 0x900) && (exit_nr != 0x500))
 		printk(KERN_EMERG "exit_nr=0x%x | pc=0x%lx | dar=0x%lx | msr=0x%lx\n",
-			exit_nr, vcpu->arch.pc, vcpu->arch.fault_dear,
+			exit_nr, kvmppc_get_pc(vcpu), kvmppc_get_fault_dar(vcpu),
 			vcpu->arch.msr);
 #endif
 	kvm_resched(vcpu);
@@ -767,8 +776,8 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	case BOOK3S_INTERRUPT_INST_STORAGE:
 		vcpu->stat.pf_instruc++;
 		/* only care about PTEG not found errors, but leave NX alone */
-		if (vcpu->arch.shadow_srr1 & 0x40000000) {
-			r = kvmppc_handle_pagefault(run, vcpu, vcpu->arch.pc, exit_nr);
+		if (to_svcpu(vcpu)->shadow_srr1 & 0x40000000) {
+			r = kvmppc_handle_pagefault(run, vcpu, kvmppc_get_pc(vcpu), exit_nr);
 			vcpu->stat.sp_instruc++;
 		} else if (vcpu->arch.mmu.is_dcbz32(vcpu) &&
 			  (!(vcpu->arch.hflags & BOOK3S_HFLAG_DCBZ32))) {
@@ -777,38 +786,41 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			 *     so we can't use the NX bit inside the guest. Let's cross our fingers,
 			 *     that no guest that needs the dcbz hack does NX.
 			 */
-			kvmppc_mmu_pte_flush(vcpu, vcpu->arch.pc, ~0xFFFULL);
+			kvmppc_mmu_pte_flush(vcpu, kvmppc_get_pc(vcpu), ~0xFFFULL);
 			r = RESUME_GUEST;
 		} else {
-			vcpu->arch.msr |= vcpu->arch.shadow_srr1 & 0x58000000;
+			vcpu->arch.msr |= to_svcpu(vcpu)->shadow_srr1 & 0x58000000;
 			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
-			kvmppc_mmu_pte_flush(vcpu, vcpu->arch.pc, ~0xFFFULL);
+			kvmppc_mmu_pte_flush(vcpu, kvmppc_get_pc(vcpu), ~0xFFFULL);
 			r = RESUME_GUEST;
 		}
 		break;
 	case BOOK3S_INTERRUPT_DATA_STORAGE:
+	{
+		ulong dar = kvmppc_get_fault_dar(vcpu);
 		vcpu->stat.pf_storage++;
 		/* The only case we need to handle is missing shadow PTEs */
-		if (vcpu->arch.fault_dsisr & DSISR_NOHPTE) {
-			r = kvmppc_handle_pagefault(run, vcpu, vcpu->arch.fault_dear, exit_nr);
+		if (to_svcpu(vcpu)->fault_dsisr & DSISR_NOHPTE) {
+			r = kvmppc_handle_pagefault(run, vcpu, dar, exit_nr);
 		} else {
-			vcpu->arch.dear = vcpu->arch.fault_dear;
-			to_book3s(vcpu)->dsisr = vcpu->arch.fault_dsisr;
+			vcpu->arch.dear = dar;
+			to_book3s(vcpu)->dsisr = to_svcpu(vcpu)->fault_dsisr;
 			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
 			kvmppc_mmu_pte_flush(vcpu, vcpu->arch.dear, ~0xFFFULL);
 			r = RESUME_GUEST;
 		}
 		break;
+	}
 	case BOOK3S_INTERRUPT_DATA_SEGMENT:
-		if (kvmppc_mmu_map_segment(vcpu, vcpu->arch.fault_dear) < 0) {
-			vcpu->arch.dear = vcpu->arch.fault_dear;
+		if (kvmppc_mmu_map_segment(vcpu, kvmppc_get_fault_dar(vcpu)) < 0) {
+			vcpu->arch.dear = kvmppc_get_fault_dar(vcpu);
 			kvmppc_book3s_queue_irqprio(vcpu,
 				BOOK3S_INTERRUPT_DATA_SEGMENT);
 		}
 		r = RESUME_GUEST;
 		break;
 	case BOOK3S_INTERRUPT_INST_SEGMENT:
-		if (kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc) < 0) {
+		if (kvmppc_mmu_map_segment(vcpu, kvmppc_get_pc(vcpu)) < 0) {
 			kvmppc_book3s_queue_irqprio(vcpu,
 				BOOK3S_INTERRUPT_INST_SEGMENT);
 		}
@@ -829,13 +841,13 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		ulong flags;
 
 program_interrupt:
-		flags = vcpu->arch.shadow_srr1 & 0x1f0000ull;
+		flags = to_svcpu(vcpu)->shadow_srr1 & 0x1f0000ull;
 
 		if (vcpu->arch.msr & MSR_PR) {
 #ifdef EXIT_DEBUG
-			printk(KERN_INFO "Userspace triggered 0x700 exception at 0x%lx (0x%x)\n", vcpu->arch.pc, vcpu->arch.last_inst);
+			printk(KERN_INFO "Userspace triggered 0x700 exception at 0x%lx (0x%x)\n", kvmppc_get_pc(vcpu), kvmppc_get_last_inst(vcpu));
 #endif
-			if ((vcpu->arch.last_inst & 0xff0007ff) !=
+			if ((kvmppc_get_last_inst(vcpu) & 0xff0007ff) !=
 			    (INS_DCBZ & 0xfffffff7)) {
 				kvmppc_core_queue_program(vcpu, flags);
 				r = RESUME_GUEST;
@@ -854,7 +866,7 @@ program_interrupt:
 			break;
 		case EMULATE_FAIL:
 			printk(KERN_CRIT "%s: emulation at %lx failed (%08x)\n",
-			       __func__, vcpu->arch.pc, vcpu->arch.last_inst);
+			       __func__, kvmppc_get_pc(vcpu), kvmppc_get_last_inst(vcpu));
 			kvmppc_core_queue_program(vcpu, flags);
 			r = RESUME_GUEST;
 			break;
@@ -917,9 +929,9 @@ program_interrupt:
 	case BOOK3S_INTERRUPT_ALIGNMENT:
 		if (kvmppc_read_inst(vcpu) == EMULATE_DONE) {
 			to_book3s(vcpu)->dsisr = kvmppc_alignment_dsisr(vcpu,
-				vcpu->arch.last_inst);
+				kvmppc_get_last_inst(vcpu));
 			vcpu->arch.dear = kvmppc_alignment_dar(vcpu,
-				vcpu->arch.last_inst);
+				kvmppc_get_last_inst(vcpu));
 			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
 		}
 		r = RESUME_GUEST;
@@ -932,7 +944,7 @@ program_interrupt:
 	default:
 		/* Ugh - bork here! What did we get? */
 		printk(KERN_EMERG "exit_nr=0x%x | pc=0x%lx | msr=0x%lx\n",
-			exit_nr, vcpu->arch.pc, vcpu->arch.shadow_srr1);
+			exit_nr, kvmppc_get_pc(vcpu), to_svcpu(vcpu)->shadow_srr1);
 		r = RESUME_HOST;
 		BUG();
 		break;
@@ -959,7 +971,7 @@ program_interrupt:
 	}
 
 #ifdef EXIT_DEBUG
-	printk(KERN_EMERG "KVM exit: vcpu=0x%p pc=0x%lx r=0x%x\n", vcpu, vcpu->arch.pc, r);
+	printk(KERN_EMERG "KVM exit: vcpu=0x%p pc=0x%lx r=0x%x\n", vcpu, kvmppc_get_pc(vcpu), r);
 #endif
 
 	return r;
@@ -976,10 +988,10 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 
 	vcpu_load(vcpu);
 
-	regs->pc = vcpu->arch.pc;
+	regs->pc = kvmppc_get_pc(vcpu);
 	regs->cr = kvmppc_get_cr(vcpu);
-	regs->ctr = vcpu->arch.ctr;
-	regs->lr = vcpu->arch.lr;
+	regs->ctr = kvmppc_get_ctr(vcpu);
+	regs->lr = kvmppc_get_lr(vcpu);
 	regs->xer = kvmppc_get_xer(vcpu);
 	regs->msr = vcpu->arch.msr;
 	regs->srr0 = vcpu->arch.srr0;
@@ -1007,10 +1019,10 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 
 	vcpu_load(vcpu);
 
-	vcpu->arch.pc = regs->pc;
+	kvmppc_set_pc(vcpu, regs->pc);
 	kvmppc_set_cr(vcpu, regs->cr);
-	vcpu->arch.ctr = regs->ctr;
-	vcpu->arch.lr = regs->lr;
+	kvmppc_set_ctr(vcpu, regs->ctr);
+	kvmppc_set_lr(vcpu, regs->lr);
 	kvmppc_set_xer(vcpu, regs->xer);
 	kvmppc_set_msr(vcpu, regs->msr);
 	vcpu->arch.srr0 = regs->srr0;
@@ -1157,19 +1169,23 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 {
 	struct kvmppc_vcpu_book3s *vcpu_book3s;
 	struct kvm_vcpu *vcpu;
-	int err;
+	int err = -ENOMEM;
 
 	vcpu_book3s = vmalloc(sizeof(struct kvmppc_vcpu_book3s));
-	if (!vcpu_book3s) {
-		err = -ENOMEM;
+	if (!vcpu_book3s)
 		goto out;
-	}
+
 	memset(vcpu_book3s, 0, sizeof(struct kvmppc_vcpu_book3s));
 
+	vcpu_book3s->shadow_vcpu = (struct kvmppc_book3s_shadow_vcpu *)
+		kzalloc(sizeof(*vcpu_book3s->shadow_vcpu), GFP_KERNEL);
+	if (!vcpu_book3s->shadow_vcpu)
+		goto free_vcpu;
+
 	vcpu = &vcpu_book3s->vcpu;
 	err = kvm_vcpu_init(vcpu, kvm, id);
 	if (err)
-		goto free_vcpu;
+		goto free_shadow_vcpu;
 
 	vcpu->arch.host_retip = kvm_return_point;
 	vcpu->arch.host_msr = mfmsr();
@@ -1188,7 +1204,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 
 	err = __init_new_context();
 	if (err < 0)
-		goto free_vcpu;
+		goto free_shadow_vcpu;
 	vcpu_book3s->context_id = err;
 
 	vcpu_book3s->vsid_max = ((vcpu_book3s->context_id + 1) << USER_ESID_BITS) - 1;
@@ -1197,6 +1213,8 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 
 	return vcpu;
 
+free_shadow_vcpu:
+	kfree(vcpu_book3s->shadow_vcpu);
 free_vcpu:
 	vfree(vcpu_book3s);
 out:
@@ -1209,6 +1227,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
 
 	__destroy_context(vcpu_book3s->context_id);
 	kvm_vcpu_uninit(vcpu);
+	kfree(vcpu_book3s->shadow_vcpu);
 	vfree(vcpu_book3s);
 }
 
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index 512dcff7755..12e4c975a37 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -383,7 +383,7 @@ static void kvmppc_mmu_book3s_64_slbia(struct kvm_vcpu *vcpu)
 
 	if (vcpu->arch.msr & MSR_IR) {
 		kvmppc_mmu_flush_segments(vcpu);
-		kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc);
+		kvmppc_mmu_map_segment(vcpu, kvmppc_get_pc(vcpu));
 	}
 }
 
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index a01e9c5a3fc..b0f5b4edaec 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -331,14 +331,14 @@ static int kvmppc_mmu_next_segment(struct kvm_vcpu *vcpu, ulong esid)
 	int found_inval = -1;
 	int r;
 
-	if (!get_paca()->kvm_slb_max)
-		get_paca()->kvm_slb_max = 1;
+	if (!to_svcpu(vcpu)->slb_max)
+		to_svcpu(vcpu)->slb_max = 1;
 
 	/* Are we overwriting? */
-	for (i = 1; i < get_paca()->kvm_slb_max; i++) {
-		if (!(get_paca()->kvm_slb[i].esid & SLB_ESID_V))
+	for (i = 1; i < to_svcpu(vcpu)->slb_max; i++) {
+		if (!(to_svcpu(vcpu)->slb[i].esid & SLB_ESID_V))
 			found_inval = i;
-		else if ((get_paca()->kvm_slb[i].esid & ESID_MASK) == esid)
+		else if ((to_svcpu(vcpu)->slb[i].esid & ESID_MASK) == esid)
 			return i;
 	}
 
@@ -352,11 +352,11 @@ static int kvmppc_mmu_next_segment(struct kvm_vcpu *vcpu, ulong esid)
 		max_slb_size = mmu_slb_size;
 
 	/* Overflowing -> purge */
-	if ((get_paca()->kvm_slb_max) == max_slb_size)
+	if ((to_svcpu(vcpu)->slb_max) == max_slb_size)
 		kvmppc_mmu_flush_segments(vcpu);
 
-	r = get_paca()->kvm_slb_max;
-	get_paca()->kvm_slb_max++;
+	r = to_svcpu(vcpu)->slb_max;
+	to_svcpu(vcpu)->slb_max++;
 
 	return r;
 }
@@ -374,7 +374,7 @@ int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr)
 
 	if (vcpu->arch.mmu.esid_to_vsid(vcpu, esid, &gvsid)) {
 		/* Invalidate an entry */
-		get_paca()->kvm_slb[slb_index].esid = 0;
+		to_svcpu(vcpu)->slb[slb_index].esid = 0;
 		return -ENOENT;
 	}
 
@@ -388,8 +388,8 @@ int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr)
 	slb_vsid &= ~SLB_VSID_KP;
 	slb_esid |= slb_index;
 
-	get_paca()->kvm_slb[slb_index].esid = slb_esid;
-	get_paca()->kvm_slb[slb_index].vsid = slb_vsid;
+	to_svcpu(vcpu)->slb[slb_index].esid = slb_esid;
+	to_svcpu(vcpu)->slb[slb_index].vsid = slb_vsid;
 
 	dprintk_slb("slbmte %#llx, %#llx\n", slb_vsid, slb_esid);
 
@@ -398,8 +398,8 @@ int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr)
 
 void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu)
 {
-	get_paca()->kvm_slb_max = 1;
-	get_paca()->kvm_slb[0].esid = 0;
+	to_svcpu(vcpu)->slb_max = 1;
+	to_svcpu(vcpu)->slb[0].esid = 0;
 }
 
 void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 8f50776a9a1..daa829b8f1f 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -69,7 +69,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		switch (get_xop(inst)) {
 		case OP_19_XOP_RFID:
 		case OP_19_XOP_RFI:
-			vcpu->arch.pc = vcpu->arch.srr0;
+			kvmppc_set_pc(vcpu, vcpu->arch.srr0);
 			kvmppc_set_msr(vcpu, vcpu->arch.srr1);
 			*advance = 0;
 			break;
@@ -208,7 +208,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			if ((r == -ENOENT) || (r == -EPERM)) {
 				*advance = 0;
 				vcpu->arch.dear = vaddr;
-				vcpu->arch.fault_dear = vaddr;
+				to_svcpu(vcpu)->fault_dar = vaddr;
 
 				dsisr = DSISR_ISSTORE;
 				if (r == -ENOENT)
@@ -217,7 +217,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 					dsisr |= DSISR_PROTFAULT;
 
 				to_book3s(vcpu)->dsisr = dsisr;
-				vcpu->arch.fault_dsisr = dsisr;
+				to_svcpu(vcpu)->fault_dsisr = dsisr;
 
 				kvmppc_book3s_queue_irqprio(vcpu,
 					BOOK3S_INTERRUPT_DATA_STORAGE);
diff --git a/arch/powerpc/kvm/book3s_paired_singles.c b/arch/powerpc/kvm/book3s_paired_singles.c
index 7a27bac8c44..a9f66abafcb 100644
--- a/arch/powerpc/kvm/book3s_paired_singles.c
+++ b/arch/powerpc/kvm/book3s_paired_singles.c
@@ -656,7 +656,7 @@ static int kvmppc_ps_one_in(struct kvm_vcpu *vcpu, bool rc,
 
 int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
 {
-	u32 inst = vcpu->arch.last_inst;
+	u32 inst = kvmppc_get_last_inst(vcpu);
 	enum emulation_result emulated = EMULATE_DONE;
 
 	int ax_rd = inst_get_field(inst, 6, 10);
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index dbb5d6842a5..c6db28cdc59 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -132,7 +132,7 @@ void kvmppc_emulate_dec(struct kvm_vcpu *vcpu)
  * from opcode tables in the future. */
 int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 {
-	u32 inst = vcpu->arch.last_inst;
+	u32 inst = kvmppc_get_last_inst(vcpu);
 	u32 ea;
 	int ra;
 	int rb;
@@ -516,10 +516,11 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 		}
 	}
 
-	trace_kvm_ppc_instr(inst, vcpu->arch.pc, emulated);
+	trace_kvm_ppc_instr(inst, kvmppc_get_pc(vcpu), emulated);
 
+	/* Advance past emulated instruction. */
 	if (advance)
-		vcpu->arch.pc += 4; /* Advance past emulated instruction. */
+		kvmppc_set_pc(vcpu, kvmppc_get_pc(vcpu) + 4);
 
 	return emulated;
 }
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index ffbe4cac5b1..9b8683f39e0 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -70,7 +70,7 @@ int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu)
 	case EMULATE_FAIL:
 		/* XXX Deliver Program interrupt to guest. */
 		printk(KERN_EMERG "%s: emulation failed (%08x)\n", __func__,
-		       vcpu->arch.last_inst);
+		       kvmppc_get_last_inst(vcpu));
 		r = RESUME_HOST;
 		break;
 	default:

From c14dea04a248a59fe01f1b49ac94615042016558 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:41 +0200
Subject: [PATCH 1698/3638] KVM: PPC: Use KVM_BOOK3S_HANDLER

So far we had a lot of conditional code on CONFIG_KVM_BOOK3S_64_HANDLER.
As we're moving towards common code between 32 and 64 bits, most of
these ifdefs can be moved to a more generic term define, called
CONFIG_KVM_BOOK3S_HANDLER.

This patch adds the new generic config option and moves ifdefs over.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s_asm.h | 4 ++--
 arch/powerpc/include/asm/paca.h           | 2 +-
 arch/powerpc/kvm/Kconfig                  | 4 ++++
 arch/powerpc/kvm/Makefile                 | 2 +-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
index e915e7dfa62..36fdb3aff30 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -22,7 +22,7 @@
 
 #ifdef __ASSEMBLY__
 
-#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
+#ifdef CONFIG_KVM_BOOK3S_HANDLER
 
 #include <asm/kvm_asm.h>
 
@@ -55,7 +55,7 @@ kvmppc_resume_\intno:
 .macro DO_KVM intno
 .endm
 
-#endif /* CONFIG_KVM_BOOK3S_64_HANDLER */
+#endif /* CONFIG_KVM_BOOK3S_HANDLER */
 
 #else  /*__ASSEMBLY__ */
 
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index dc3ccdf8199..33347ea4b47 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -136,7 +136,7 @@ struct paca_struct {
 	u64 startpurr;			/* PURR/TB value snapshot */
 	u64 startspurr;			/* SPURR value snapshot */
 
-#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
+#ifdef CONFIG_KVM_BOOK3S_HANDLER
 	struct  {
 		u64     esid;
 		u64     vsid;
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index 60624cc9f4d..8ef37664fda 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -22,8 +22,12 @@ config KVM
 	select ANON_INODES
 	select KVM_MMIO
 
+config KVM_BOOK3S_HANDLER
+	bool
+
 config KVM_BOOK3S_64_HANDLER
 	bool
+	select KVM_BOOK3S_HANDLER
 
 config KVM_BOOK3S_64
 	tristate "KVM support for PowerPC book3s_64 processors"
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index 0a67310299a..f621ce64363 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -14,7 +14,7 @@ CFLAGS_emulate.o  := -I.
 
 common-objs-y += powerpc.o emulate.o
 obj-$(CONFIG_KVM_EXIT_TIMING) += timing.o
-obj-$(CONFIG_KVM_BOOK3S_64_HANDLER) += book3s_exports.o
+obj-$(CONFIG_KVM_BOOK3S_HANDLER) += book3s_exports.o
 
 AFLAGS_booke_interrupts.o := -I$(obj)
 

From 00c3a37ca332f54f2187720e51f7c0e18e91d7c9 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:42 +0200
Subject: [PATCH 1699/3638] KVM: PPC: Use CONFIG_PPC_BOOK3S define

Upstream recently added a new name for PPC64: Book3S_64.

So instead of using CONFIG_PPC64 we should use CONFIG_PPC_BOOK3S consotently.
That makes understanding the code easier (I hope).

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_host.h | 8 ++++----
 arch/powerpc/kernel/asm-offsets.c   | 6 +++---
 arch/powerpc/kvm/Kconfig            | 2 +-
 arch/powerpc/kvm/emulate.c          | 6 +++---
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 5869a487e2e..22801f80231 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -66,7 +66,7 @@ struct kvm_vcpu_stat {
 	u32 dec_exits;
 	u32 ext_intr_exits;
 	u32 halt_wakeup;
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S
 	u32 pf_storage;
 	u32 pf_instruc;
 	u32 sp_storage;
@@ -160,7 +160,7 @@ struct hpte_cache {
 struct kvm_vcpu_arch {
 	ulong host_stack;
 	u32 host_pid;
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S
 	ulong host_msr;
 	ulong host_r2;
 	void *host_retip;
@@ -201,7 +201,7 @@ struct kvm_vcpu_arch {
 #endif
 
 	ulong msr;
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S
 	ulong shadow_msr;
 	ulong shadow_srr1;
 	ulong hflags;
@@ -283,7 +283,7 @@ struct kvm_vcpu_arch {
 	u64 dec_jiffies;
 	unsigned long pending_exceptions;
 
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S
 	struct hpte_cache hpte_cache[HPTEG_CACHE_NUM];
 	int hpte_cache_offset;
 #endif
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 957ceb7059c..57a8c49c883 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -426,8 +426,8 @@ int main(void)
 	DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear));
 	DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr));
 
-	/* book3s_64 */
-#ifdef CONFIG_PPC64
+	/* book3s */
+#ifdef CONFIG_PPC_BOOK3S
 	DEFINE(VCPU_FAULT_DSISR, offsetof(struct kvm_vcpu, arch.fault_dsisr));
 	DEFINE(VCPU_HOST_RETIP, offsetof(struct kvm_vcpu, arch.host_retip));
 	DEFINE(VCPU_HOST_R2, offsetof(struct kvm_vcpu, arch.host_r2));
@@ -442,7 +442,7 @@ int main(void)
 #else
 	DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
 	DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
-#endif /* CONFIG_PPC64 */
+#endif /* CONFIG_PPC_BOOK3S */
 #endif
 #ifdef CONFIG_44x
 	DEFINE(PGD_T_LOG2, PGD_T_LOG2);
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index 8ef37664fda..d864698860c 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -31,7 +31,7 @@ config KVM_BOOK3S_64_HANDLER
 
 config KVM_BOOK3S_64
 	tristate "KVM support for PowerPC book3s_64 processors"
-	depends on EXPERIMENTAL && PPC64
+	depends on EXPERIMENTAL && PPC_BOOK3S_64
 	select KVM
 	select KVM_BOOK3S_64_HANDLER
 	---help---
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index c6db28cdc59..b608c0b0beb 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -69,7 +69,7 @@
 #define OP_STH  44
 #define OP_STHU 45
 
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S
 static int kvmppc_dec_enabled(struct kvm_vcpu *vcpu)
 {
 	return 1;
@@ -86,7 +86,7 @@ void kvmppc_emulate_dec(struct kvm_vcpu *vcpu)
 	unsigned long dec_nsec;
 
 	pr_debug("mtDEC: %x\n", vcpu->arch.dec);
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S
 	/* mtdec lowers the interrupt line when positive. */
 	kvmppc_core_dequeue_dec(vcpu);
 
@@ -153,7 +153,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 
 	switch (get_op(inst)) {
 	case OP_TRAP:
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S
 	case OP_TRAP_64:
 		kvmppc_core_queue_program(vcpu, SRR1_PROGTRAP);
 #else

From 56db45a5cd06e3a6a7823a8cd7541e6bafe8427b Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:43 +0200
Subject: [PATCH 1700/3638] PPC: Add STLU

For assembly code there are several "long" load and store defines already.
The one that's missing is the typical stack store, stdu/stwu.

So let's add that define as well, making my KVM code happy.

CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/asm-compat.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h
index a9b91ed3d4b..2048a6aeea9 100644
--- a/arch/powerpc/include/asm/asm-compat.h
+++ b/arch/powerpc/include/asm/asm-compat.h
@@ -21,6 +21,7 @@
 /* operations for longs and pointers */
 #define PPC_LL		stringify_in_c(ld)
 #define PPC_STL		stringify_in_c(std)
+#define PPC_STLU	stringify_in_c(stdu)
 #define PPC_LCMPI	stringify_in_c(cmpdi)
 #define PPC_LONG	stringify_in_c(.llong)
 #define PPC_LONG_ALIGN	stringify_in_c(.balign 8)
@@ -44,6 +45,7 @@
 /* operations for longs and pointers */
 #define PPC_LL		stringify_in_c(lwz)
 #define PPC_STL		stringify_in_c(stw)
+#define PPC_STLU	stringify_in_c(stwu)
 #define PPC_LCMPI	stringify_in_c(cmpwi)
 #define PPC_LONG	stringify_in_c(.long)
 #define PPC_LONG_ALIGN	stringify_in_c(.balign 4)

From 0604675fe17f68741730cebe74422605bb79d972 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:44 +0200
Subject: [PATCH 1701/3638] KVM: PPC: Use now shadowed vcpu fields

The shadow vcpu now contains some fields we don't use from the vcpu anymore.
Access to them happens using inline functions that happily use the shadow
vcpu fields.

So let's now ifdef them out to booke only and add asm-offsets.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_host.h |  8 +--
 arch/powerpc/include/asm/paca.h     |  6 --
 arch/powerpc/kernel/asm-offsets.c   | 91 +++++++++++++++++------------
 3 files changed, 57 insertions(+), 48 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 22801f80231..5a83995105f 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -191,11 +191,11 @@ struct kvm_vcpu_arch {
 	u32 qpr[32];
 #endif
 
+#ifdef CONFIG_BOOKE
 	ulong pc;
 	ulong ctr;
 	ulong lr;
 
-#ifdef CONFIG_BOOKE
 	ulong xer;
 	u32 cr;
 #endif
@@ -203,7 +203,6 @@ struct kvm_vcpu_arch {
 	ulong msr;
 #ifdef CONFIG_PPC_BOOK3S
 	ulong shadow_msr;
-	ulong shadow_srr1;
 	ulong hflags;
 	ulong guest_owned_ext;
 #endif
@@ -258,14 +257,13 @@ struct kvm_vcpu_arch {
 	struct dentry *debugfs_exit_timing;
 #endif
 
+#ifdef CONFIG_BOOKE
 	u32 last_inst;
-#ifdef CONFIG_PPC64
-	u32 fault_dsisr;
-#endif
 	ulong fault_dear;
 	ulong fault_esr;
 	ulong queued_dear;
 	ulong queued_esr;
+#endif
 	gpa_t paddr_accessed;
 
 	u8 io_gpr; /* GPR used as IO source/target */
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 33347ea4b47..224eb371ca1 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -137,14 +137,8 @@ struct paca_struct {
 	u64 startspurr;			/* SPURR value snapshot */
 
 #ifdef CONFIG_KVM_BOOK3S_HANDLER
-	struct  {
-		u64     esid;
-		u64     vsid;
-	} kvm_slb[64];			/* guest SLB */
 	/* We use this to store guest state in */
 	struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
-	u8 kvm_slb_max;			/* highest used guest slb entry */
-	u8 kvm_in_guest;		/* are we inside the guest? */
 #endif
 };
 
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 57a8c49c883..e8003ff81ee 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -50,6 +50,9 @@
 #endif
 #ifdef CONFIG_KVM
 #include <linux/kvm_host.h>
+#ifndef CONFIG_BOOKE
+#include <asm/kvm_book3s.h>
+#endif
 #endif
 
 #ifdef CONFIG_PPC32
@@ -191,33 +194,9 @@ int main(void)
 	DEFINE(PACA_DATA_OFFSET, offsetof(struct paca_struct, data_offset));
 	DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
-	DEFINE(PACA_KVM_IN_GUEST, offsetof(struct paca_struct, kvm_in_guest));
-	DEFINE(PACA_KVM_SLB, offsetof(struct paca_struct, kvm_slb));
-	DEFINE(PACA_KVM_SLB_MAX, offsetof(struct paca_struct, kvm_slb_max));
-	DEFINE(PACA_KVM_CR, offsetof(struct paca_struct, shadow_vcpu.cr));
-	DEFINE(PACA_KVM_XER, offsetof(struct paca_struct, shadow_vcpu.xer));
-	DEFINE(PACA_KVM_R0, offsetof(struct paca_struct, shadow_vcpu.gpr[0]));
-	DEFINE(PACA_KVM_R1, offsetof(struct paca_struct, shadow_vcpu.gpr[1]));
-	DEFINE(PACA_KVM_R2, offsetof(struct paca_struct, shadow_vcpu.gpr[2]));
-	DEFINE(PACA_KVM_R3, offsetof(struct paca_struct, shadow_vcpu.gpr[3]));
-	DEFINE(PACA_KVM_R4, offsetof(struct paca_struct, shadow_vcpu.gpr[4]));
-	DEFINE(PACA_KVM_R5, offsetof(struct paca_struct, shadow_vcpu.gpr[5]));
-	DEFINE(PACA_KVM_R6, offsetof(struct paca_struct, shadow_vcpu.gpr[6]));
-	DEFINE(PACA_KVM_R7, offsetof(struct paca_struct, shadow_vcpu.gpr[7]));
-	DEFINE(PACA_KVM_R8, offsetof(struct paca_struct, shadow_vcpu.gpr[8]));
-	DEFINE(PACA_KVM_R9, offsetof(struct paca_struct, shadow_vcpu.gpr[9]));
-	DEFINE(PACA_KVM_R10, offsetof(struct paca_struct, shadow_vcpu.gpr[10]));
-	DEFINE(PACA_KVM_R11, offsetof(struct paca_struct, shadow_vcpu.gpr[11]));
-	DEFINE(PACA_KVM_R12, offsetof(struct paca_struct, shadow_vcpu.gpr[12]));
-	DEFINE(PACA_KVM_R13, offsetof(struct paca_struct, shadow_vcpu.gpr[13]));
-	DEFINE(PACA_KVM_HOST_R1, offsetof(struct paca_struct, shadow_vcpu.host_r1));
-	DEFINE(PACA_KVM_HOST_R2, offsetof(struct paca_struct, shadow_vcpu.host_r2));
-	DEFINE(PACA_KVM_VMHANDLER, offsetof(struct paca_struct,
-					    shadow_vcpu.vmhandler));
-	DEFINE(PACA_KVM_SCRATCH0, offsetof(struct paca_struct,
-					   shadow_vcpu.scratch0));
-	DEFINE(PACA_KVM_SCRATCH1, offsetof(struct paca_struct,
-					   shadow_vcpu.scratch1));
+	DEFINE(PACA_KVM_SVCPU, offsetof(struct paca_struct, shadow_vcpu));
+	DEFINE(SVCPU_SLB, offsetof(struct kvmppc_book3s_shadow_vcpu, slb));
+	DEFINE(SVCPU_SLB_MAX, offsetof(struct kvmppc_book3s_shadow_vcpu, slb_max));
 #endif
 #endif /* CONFIG_PPC64 */
 
@@ -412,9 +391,6 @@ int main(void)
 	DEFINE(VCPU_HOST_STACK, offsetof(struct kvm_vcpu, arch.host_stack));
 	DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid));
 	DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
-	DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
-	DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
-	DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
 	DEFINE(VCPU_MSR, offsetof(struct kvm_vcpu, arch.msr));
 	DEFINE(VCPU_SPRG4, offsetof(struct kvm_vcpu, arch.sprg4));
 	DEFINE(VCPU_SPRG5, offsetof(struct kvm_vcpu, arch.sprg5));
@@ -422,26 +398,67 @@ int main(void)
 	DEFINE(VCPU_SPRG7, offsetof(struct kvm_vcpu, arch.sprg7));
 	DEFINE(VCPU_SHADOW_PID, offsetof(struct kvm_vcpu, arch.shadow_pid));
 
-	DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
-	DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear));
-	DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr));
-
 	/* book3s */
 #ifdef CONFIG_PPC_BOOK3S
-	DEFINE(VCPU_FAULT_DSISR, offsetof(struct kvm_vcpu, arch.fault_dsisr));
 	DEFINE(VCPU_HOST_RETIP, offsetof(struct kvm_vcpu, arch.host_retip));
-	DEFINE(VCPU_HOST_R2, offsetof(struct kvm_vcpu, arch.host_r2));
 	DEFINE(VCPU_HOST_MSR, offsetof(struct kvm_vcpu, arch.host_msr));
 	DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr));
-	DEFINE(VCPU_SHADOW_SRR1, offsetof(struct kvm_vcpu, arch.shadow_srr1));
 	DEFINE(VCPU_TRAMPOLINE_LOWMEM, offsetof(struct kvm_vcpu, arch.trampoline_lowmem));
 	DEFINE(VCPU_TRAMPOLINE_ENTER, offsetof(struct kvm_vcpu, arch.trampoline_enter));
 	DEFINE(VCPU_HIGHMEM_HANDLER, offsetof(struct kvm_vcpu, arch.highmem_handler));
 	DEFINE(VCPU_RMCALL, offsetof(struct kvm_vcpu, arch.rmcall));
 	DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags));
+	DEFINE(VCPU_SVCPU, offsetof(struct kvmppc_vcpu_book3s, shadow_vcpu) -
+			   offsetof(struct kvmppc_vcpu_book3s, vcpu));
+	DEFINE(SVCPU_CR, offsetof(struct kvmppc_book3s_shadow_vcpu, cr));
+	DEFINE(SVCPU_XER, offsetof(struct kvmppc_book3s_shadow_vcpu, xer));
+	DEFINE(SVCPU_CTR, offsetof(struct kvmppc_book3s_shadow_vcpu, ctr));
+	DEFINE(SVCPU_LR, offsetof(struct kvmppc_book3s_shadow_vcpu, lr));
+	DEFINE(SVCPU_PC, offsetof(struct kvmppc_book3s_shadow_vcpu, pc));
+	DEFINE(SVCPU_R0, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[0]));
+	DEFINE(SVCPU_R1, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[1]));
+	DEFINE(SVCPU_R2, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[2]));
+	DEFINE(SVCPU_R3, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[3]));
+	DEFINE(SVCPU_R4, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[4]));
+	DEFINE(SVCPU_R5, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[5]));
+	DEFINE(SVCPU_R6, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[6]));
+	DEFINE(SVCPU_R7, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[7]));
+	DEFINE(SVCPU_R8, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[8]));
+	DEFINE(SVCPU_R9, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[9]));
+	DEFINE(SVCPU_R10, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[10]));
+	DEFINE(SVCPU_R11, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[11]));
+	DEFINE(SVCPU_R12, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[12]));
+	DEFINE(SVCPU_R13, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[13]));
+	DEFINE(SVCPU_HOST_R1, offsetof(struct kvmppc_book3s_shadow_vcpu, host_r1));
+	DEFINE(SVCPU_HOST_R2, offsetof(struct kvmppc_book3s_shadow_vcpu, host_r2));
+	DEFINE(SVCPU_VMHANDLER, offsetof(struct kvmppc_book3s_shadow_vcpu,
+					 vmhandler));
+	DEFINE(SVCPU_SCRATCH0, offsetof(struct kvmppc_book3s_shadow_vcpu,
+					scratch0));
+	DEFINE(SVCPU_SCRATCH1, offsetof(struct kvmppc_book3s_shadow_vcpu,
+					scratch1));
+	DEFINE(SVCPU_IN_GUEST, offsetof(struct kvmppc_book3s_shadow_vcpu,
+					in_guest));
+	DEFINE(SVCPU_FAULT_DSISR, offsetof(struct kvmppc_book3s_shadow_vcpu,
+					   fault_dsisr));
+	DEFINE(SVCPU_FAULT_DAR, offsetof(struct kvmppc_book3s_shadow_vcpu,
+					 fault_dar));
+	DEFINE(SVCPU_LAST_INST, offsetof(struct kvmppc_book3s_shadow_vcpu,
+					 last_inst));
+	DEFINE(SVCPU_SHADOW_SRR1, offsetof(struct kvmppc_book3s_shadow_vcpu,
+					   shadow_srr1));
+#ifdef CONFIG_PPC_BOOK3S_32
+	DEFINE(SVCPU_SR, offsetof(struct kvmppc_book3s_shadow_vcpu, sr));
+#endif
 #else
 	DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
 	DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
+	DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
+	DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
+	DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
+	DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
+	DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear));
+	DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr));
 #endif /* CONFIG_PPC_BOOK3S */
 #endif
 #ifdef CONFIG_44x

From 9cc5e9538ab7cbbfb1d7263373d2f58ab2af2bad Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:45 +0200
Subject: [PATCH 1702/3638] KVM: PPC: Extract MMU init

The host shadow mmu code needs to get initialized. It needs to fetch a
segment it can use to put shadow PTEs into.

That initialization code was in generic code, which is icky. Let's move
it over to the respective MMU file.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_ppc.h    |  1 +
 arch/powerpc/kvm/book3s.c             |  8 +-------
 arch/powerpc/kvm/book3s_64_mmu_host.c | 18 ++++++++++++++++++
 3 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index edade847b8f..18d139ec2d2 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -69,6 +69,7 @@ extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
 extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
 extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
 extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
+extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
 extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
 extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
 extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 7ff80f9f13a..d0986968a61 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1202,14 +1202,9 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 
 	vcpu->arch.shadow_msr = MSR_USER64;
 
-	err = __init_new_context();
+	err = kvmppc_mmu_init(vcpu);
 	if (err < 0)
 		goto free_shadow_vcpu;
-	vcpu_book3s->context_id = err;
-
-	vcpu_book3s->vsid_max = ((vcpu_book3s->context_id + 1) << USER_ESID_BITS) - 1;
-	vcpu_book3s->vsid_first = vcpu_book3s->context_id << USER_ESID_BITS;
-	vcpu_book3s->vsid_next = vcpu_book3s->vsid_first;
 
 	return vcpu;
 
@@ -1225,7 +1220,6 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
 {
 	struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
 
-	__destroy_context(vcpu_book3s->context_id);
 	kvm_vcpu_uninit(vcpu);
 	kfree(vcpu_book3s->shadow_vcpu);
 	vfree(vcpu_book3s);
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index b0f5b4edaec..0eea589dbef 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -405,4 +405,22 @@ void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu)
 void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
 {
 	kvmppc_mmu_pte_flush(vcpu, 0, 0);
+	__destroy_context(to_book3s(vcpu)->context_id);
+}
+
+int kvmppc_mmu_init(struct kvm_vcpu *vcpu)
+{
+	struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
+	int err;
+
+	err = __init_new_context();
+	if (err < 0)
+		return -1;
+	vcpu3s->context_id = err;
+
+	vcpu3s->vsid_max = ((vcpu3s->context_id + 1) << USER_ESID_BITS) - 1;
+	vcpu3s->vsid_first = vcpu3s->context_id << USER_ESID_BITS;
+	vcpu3s->vsid_next = vcpu3s->vsid_first;
+
+	return 0;
 }

From 8c3a4e0b673ba8b274399f575dc803a89a953a66 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:46 +0200
Subject: [PATCH 1703/3638] KVM: PPC: Make real mode handler generic

The real mode handler code was originally writen for 64 bit Book3S only.
But since we not add 32 bit functionality too, we need to make some tweaks
to it.

This patch basically combines using the "long" access defines and using
fields from the shadow VCPU we just moved there.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_rmhandlers.S | 119 ++++++++++++++++++++-------
 1 file changed, 88 insertions(+), 31 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S
index d89e315615b..284f0a03891 100644
--- a/arch/powerpc/kvm/book3s_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_rmhandlers.S
@@ -22,7 +22,10 @@
 #include <asm/reg.h>
 #include <asm/page.h>
 #include <asm/asm-offsets.h>
+
+#ifdef CONFIG_PPC_BOOK3S_64
 #include <asm/exception-64s.h>
+#endif
 
 /*****************************************************************************
  *                                                                           *
@@ -30,6 +33,39 @@
  *                                                                           *
  ****************************************************************************/
 
+#if defined(CONFIG_PPC_BOOK3S_64)
+
+#define LOAD_SHADOW_VCPU(reg)				\
+	mfspr	reg, SPRN_SPRG_PACA
+
+#define SHADOW_VCPU_OFF		PACA_KVM_SVCPU
+#define MSR_NOIRQ		MSR_KERNEL & ~(MSR_IR | MSR_DR)
+#define FUNC(name) 		GLUE(.,name)
+
+#elif defined(CONFIG_PPC_BOOK3S_32)
+
+#define LOAD_SHADOW_VCPU(reg)						\
+	mfspr	reg, SPRN_SPRG_THREAD;					\
+	lwz	reg, THREAD_KVM_SVCPU(reg);				\
+	/* PPC32 can have a NULL pointer - let's check for that */	\
+	mtspr   SPRN_SPRG_SCRATCH1, r12;	/* Save r12 */		\
+	mfcr	r12;							\
+	cmpwi	reg, 0;							\
+	bne	1f;							\
+	mfspr	reg, SPRN_SPRG_SCRATCH0;				\
+	mtcr	r12;							\
+	mfspr	r12, SPRN_SPRG_SCRATCH1;				\
+	b	kvmppc_resume_\intno;					\
+1:;									\
+	mtcr	r12;							\
+	mfspr	r12, SPRN_SPRG_SCRATCH1;				\
+	tophys(reg, reg)
+
+#define SHADOW_VCPU_OFF		0
+#define MSR_NOIRQ		MSR_KERNEL
+#define FUNC(name)		name
+
+#endif
 
 .macro INTERRUPT_TRAMPOLINE intno
 
@@ -42,19 +78,19 @@ kvmppc_trampoline_\intno:
 	 * First thing to do is to find out if we're coming
 	 * from a KVM guest or a Linux process.
 	 *
-	 * To distinguish, we check a magic byte in the PACA
+	 * To distinguish, we check a magic byte in the PACA/current
 	 */
-	mfspr	r13, SPRN_SPRG_PACA		/* r13 = PACA */
-	std	r12, PACA_KVM_SCRATCH0(r13)
+	LOAD_SHADOW_VCPU(r13)
+	PPC_STL	r12, (SHADOW_VCPU_OFF + SVCPU_SCRATCH0)(r13)
 	mfcr	r12
-	stw	r12, PACA_KVM_SCRATCH1(r13)
-	lbz	r12, PACA_KVM_IN_GUEST(r13)
+	stw	r12, (SHADOW_VCPU_OFF + SVCPU_SCRATCH1)(r13)
+	lbz	r12, (SHADOW_VCPU_OFF + SVCPU_IN_GUEST)(r13)
 	cmpwi	r12, KVM_GUEST_MODE_NONE
 	bne	..kvmppc_handler_hasmagic_\intno
 	/* No KVM guest? Then jump back to the Linux handler! */
-	lwz	r12, PACA_KVM_SCRATCH1(r13)
+	lwz	r12, (SHADOW_VCPU_OFF + SVCPU_SCRATCH1)(r13)
 	mtcr	r12
-	ld	r12, PACA_KVM_SCRATCH0(r13)
+	PPC_LL	r12, (SHADOW_VCPU_OFF + SVCPU_SCRATCH0)(r13)
 	mfspr	r13, SPRN_SPRG_SCRATCH0		/* r13 = original r13 */
 	b	kvmppc_resume_\intno		/* Get back original handler */
 
@@ -76,9 +112,7 @@ kvmppc_trampoline_\intno:
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_SYSTEM_RESET
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_MACHINE_CHECK
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_DATA_STORAGE
-INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_DATA_SEGMENT
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_INST_STORAGE
-INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_INST_SEGMENT
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_EXTERNAL
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_ALIGNMENT
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_PROGRAM
@@ -88,7 +122,14 @@ INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_SYSCALL
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_TRACE
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_PERFMON
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_ALTIVEC
+
+/* Those are only available on 64 bit machines */
+
+#ifdef CONFIG_PPC_BOOK3S_64
+INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_DATA_SEGMENT
+INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_INST_SEGMENT
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_VSX
+#endif
 
 /*
  * Bring us back to the faulting code, but skip the
@@ -99,11 +140,11 @@ INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_VSX
  *
  * Input Registers:
  *
- * R12               = free
- * R13               = PACA
- * PACA.KVM.SCRATCH0 = guest R12
- * PACA.KVM.SCRATCH1 = guest CR
- * SPRG_SCRATCH0     = guest R13
+ * R12            = free
+ * R13            = Shadow VCPU (PACA)
+ * SVCPU.SCRATCH0 = guest R12
+ * SVCPU.SCRATCH1 = guest CR
+ * SPRG_SCRATCH0  = guest R13
  *
  */
 kvmppc_handler_skip_ins:
@@ -114,9 +155,9 @@ kvmppc_handler_skip_ins:
 	mtsrr0	r12
 
 	/* Clean up all state */
-	lwz	r12, PACA_KVM_SCRATCH1(r13)
+	lwz	r12, (SHADOW_VCPU_OFF + SVCPU_SCRATCH1)(r13)
 	mtcr	r12
-	ld	r12, PACA_KVM_SCRATCH0(r13)
+	PPC_LL	r12, (SHADOW_VCPU_OFF + SVCPU_SCRATCH0)(r13)
 	mfspr	r13, SPRN_SPRG_SCRATCH0
 
 	/* And get back into the code */
@@ -147,32 +188,48 @@ kvmppc_handler_lowmem_trampoline_end:
  *
  * R3 = function
  * R4 = MSR
- * R5 = CTR
+ * R5 = scratch register
  *
  */
 _GLOBAL(kvmppc_rmcall)
-	mtmsr	r4		/* Disable relocation, so mtsrr
+	LOAD_REG_IMMEDIATE(r5, MSR_NOIRQ)
+	mtmsr	r5		/* Disable relocation and interrupts, so mtsrr
 				   doesn't get interrupted */
-	mtctr	r5
+	sync
 	mtsrr0	r3
 	mtsrr1	r4
 	RFI
 
+#if defined(CONFIG_PPC_BOOK3S_32)
+#define STACK_LR	INT_FRAME_SIZE+4
+#elif defined(CONFIG_PPC_BOOK3S_64)
+#define STACK_LR	_LINK
+#endif
+
 /*
  * Activate current's external feature (FPU/Altivec/VSX)
  */
-#define define_load_up(what) 				\
-							\
-_GLOBAL(kvmppc_load_up_ ## what);			\
-	stdu	r1, -INT_FRAME_SIZE(r1);		\
-	mflr	r3;					\
-	std	r3, _LINK(r1);				\
-							\
-	bl	.load_up_ ## what;			\
-							\
-	ld	r3, _LINK(r1);				\
-	mtlr	r3;					\
-	addi	r1, r1, INT_FRAME_SIZE;			\
+#define define_load_up(what) 					\
+								\
+_GLOBAL(kvmppc_load_up_ ## what);				\
+	PPC_STLU r1, -INT_FRAME_SIZE(r1);			\
+	mflr	r3;						\
+	PPC_STL	r3, STACK_LR(r1);				\
+	PPC_STL	r20, _NIP(r1);					\
+	mfmsr	r20;						\
+	LOAD_REG_IMMEDIATE(r3, MSR_DR|MSR_EE);			\
+	andc	r3,r20,r3;		/* Disable DR,EE */	\
+	mtmsr	r3;						\
+	sync;							\
+								\
+	bl	FUNC(load_up_ ## what);				\
+								\
+	mtmsr	r20;			/* Enable DR,EE */	\
+	sync;							\
+	PPC_LL	r3, STACK_LR(r1);				\
+	PPC_LL	r20, _NIP(r1);					\
+	mtlr	r3;						\
+	addi	r1, r1, INT_FRAME_SIZE;				\
 	blr
 
 define_load_up(fpu)

From b79fcdf67e9e03773fb032679675d8008d5cc2dc Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:47 +0200
Subject: [PATCH 1704/3638] KVM: PPC: Make highmem code generic

Since we now have several fields in the shadow VCPU, we also change
the internal calling convention between the different entry/exit code
layers.

Let's reflect that in the IR=1 code and make sure we use "long" defines
for long field access.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_interrupts.S | 199 ++++++++++++++-------------
 1 file changed, 100 insertions(+), 99 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_interrupts.S b/arch/powerpc/kvm/book3s_interrupts.S
index 570f8740769..a1b50280dc4 100644
--- a/arch/powerpc/kvm/book3s_interrupts.S
+++ b/arch/powerpc/kvm/book3s_interrupts.S
@@ -24,36 +24,56 @@
 #include <asm/asm-offsets.h>
 #include <asm/exception-64s.h>
 
-#define KVMPPC_HANDLE_EXIT .kvmppc_handle_exit
-#define ULONG_SIZE 8
-#define VCPU_GPR(n)     (VCPU_GPRS + (n * ULONG_SIZE))
+#if defined(CONFIG_PPC_BOOK3S_64)
 
-.macro DISABLE_INTERRUPTS
-       mfmsr   r0
-       rldicl  r0,r0,48,1
-       rotldi  r0,r0,16
-       mtmsrd  r0,1
-.endm
+#define ULONG_SIZE 		8
+#define FUNC(name) 		GLUE(.,name)
 
+#define GET_SHADOW_VCPU(reg)    \
+        addi    reg, r13, PACA_KVM_SVCPU
+
+#define DISABLE_INTERRUPTS	\
+	mfmsr   r0;		\
+	rldicl  r0,r0,48,1;	\
+	rotldi  r0,r0,16;	\
+	mtmsrd  r0,1;		\
+
+#elif defined(CONFIG_PPC_BOOK3S_32)
+
+#define ULONG_SIZE              4
+#define FUNC(name)		name
+
+#define GET_SHADOW_VCPU(reg)    \
+        lwz     reg, (THREAD + THREAD_KVM_SVCPU)(r2)
+
+#define DISABLE_INTERRUPTS	\
+	mfmsr   r0;		\
+	rlwinm  r0,r0,0,17,15;	\
+	mtmsr   r0;		\
+
+#endif /* CONFIG_PPC_BOOK3S_XX */
+
+
+#define VCPU_GPR(n)		(VCPU_GPRS + (n * ULONG_SIZE))
 #define VCPU_LOAD_NVGPRS(vcpu) \
-	ld	r14, VCPU_GPR(r14)(vcpu); \
-	ld	r15, VCPU_GPR(r15)(vcpu); \
-	ld	r16, VCPU_GPR(r16)(vcpu); \
-	ld	r17, VCPU_GPR(r17)(vcpu); \
-	ld	r18, VCPU_GPR(r18)(vcpu); \
-	ld	r19, VCPU_GPR(r19)(vcpu); \
-	ld	r20, VCPU_GPR(r20)(vcpu); \
-	ld	r21, VCPU_GPR(r21)(vcpu); \
-	ld	r22, VCPU_GPR(r22)(vcpu); \
-	ld	r23, VCPU_GPR(r23)(vcpu); \
-	ld	r24, VCPU_GPR(r24)(vcpu); \
-	ld	r25, VCPU_GPR(r25)(vcpu); \
-	ld	r26, VCPU_GPR(r26)(vcpu); \
-	ld	r27, VCPU_GPR(r27)(vcpu); \
-	ld	r28, VCPU_GPR(r28)(vcpu); \
-	ld	r29, VCPU_GPR(r29)(vcpu); \
-	ld	r30, VCPU_GPR(r30)(vcpu); \
-	ld	r31, VCPU_GPR(r31)(vcpu); \
+	PPC_LL	r14, VCPU_GPR(r14)(vcpu); \
+	PPC_LL	r15, VCPU_GPR(r15)(vcpu); \
+	PPC_LL	r16, VCPU_GPR(r16)(vcpu); \
+	PPC_LL	r17, VCPU_GPR(r17)(vcpu); \
+	PPC_LL	r18, VCPU_GPR(r18)(vcpu); \
+	PPC_LL	r19, VCPU_GPR(r19)(vcpu); \
+	PPC_LL	r20, VCPU_GPR(r20)(vcpu); \
+	PPC_LL	r21, VCPU_GPR(r21)(vcpu); \
+	PPC_LL	r22, VCPU_GPR(r22)(vcpu); \
+	PPC_LL	r23, VCPU_GPR(r23)(vcpu); \
+	PPC_LL	r24, VCPU_GPR(r24)(vcpu); \
+	PPC_LL	r25, VCPU_GPR(r25)(vcpu); \
+	PPC_LL	r26, VCPU_GPR(r26)(vcpu); \
+	PPC_LL	r27, VCPU_GPR(r27)(vcpu); \
+	PPC_LL	r28, VCPU_GPR(r28)(vcpu); \
+	PPC_LL	r29, VCPU_GPR(r29)(vcpu); \
+	PPC_LL	r30, VCPU_GPR(r30)(vcpu); \
+	PPC_LL	r31, VCPU_GPR(r31)(vcpu); \
 
 /*****************************************************************************
  *                                                                           *
@@ -69,11 +89,11 @@ _GLOBAL(__kvmppc_vcpu_entry)
 
 kvm_start_entry:
 	/* Write correct stack frame */
-	mflr    r0
-	std     r0,16(r1)
+	mflr	r0
+	PPC_STL	r0,PPC_LR_STKOFF(r1)
 
 	/* Save host state to the stack */
-	stdu	r1, -SWITCH_FRAME_SIZE(r1)
+	PPC_STLU r1, -SWITCH_FRAME_SIZE(r1)
 
 	/* Save r3 (kvm_run) and r4 (vcpu) */
 	SAVE_2GPRS(3, r1)
@@ -82,33 +102,28 @@ kvm_start_entry:
 	SAVE_NVGPRS(r1)
 
 	/* Save LR */
-	std	r0, _LINK(r1)
+	PPC_STL	r0, _LINK(r1)
 
 	/* Load non-volatile guest state from the vcpu */
 	VCPU_LOAD_NVGPRS(r4)
 
+	GET_SHADOW_VCPU(r5)
+
 	/* Save R1/R2 in the PACA */
-	std	r1, PACA_KVM_HOST_R1(r13)
-	std	r2, PACA_KVM_HOST_R2(r13)
+	PPC_STL	r1, SVCPU_HOST_R1(r5)
+	PPC_STL	r2, SVCPU_HOST_R2(r5)
 
 	/* XXX swap in/out on load? */
-	ld	r3, VCPU_HIGHMEM_HANDLER(r4)
-	std	r3, PACA_KVM_VMHANDLER(r13)
+	PPC_LL	r3, VCPU_HIGHMEM_HANDLER(r4)
+	PPC_STL	r3, SVCPU_VMHANDLER(r5)
 
 kvm_start_lightweight:
 
-	ld	r9, VCPU_PC(r4)			/* r9 = vcpu->arch.pc */
-	ld	r10, VCPU_SHADOW_MSR(r4)	/* r10 = vcpu->arch.shadow_msr */
-
-	/* Load some guest state in the respective registers */
-	ld	r5, VCPU_CTR(r4)	/* r5 = vcpu->arch.ctr */
-					/* will be swapped in by rmcall */
-
-	ld	r3, VCPU_LR(r4)		/* r3 = vcpu->arch.lr */
-	mtlr	r3			/* LR = r3 */
+	PPC_LL	r10, VCPU_SHADOW_MSR(r4)	/* r10 = vcpu->arch.shadow_msr */
 
 	DISABLE_INTERRUPTS
 
+#ifdef CONFIG_PPC_BOOK3S_64
 	/* Some guests may need to have dcbz set to 32 byte length.
 	 *
 	 * Usually we ensure that by patching the guest's instructions
@@ -118,7 +133,7 @@ kvm_start_lightweight:
 	 * because that's a lot faster.
 	 */
 
-	ld	r3, VCPU_HFLAGS(r4)
+	PPC_LL	r3, VCPU_HFLAGS(r4)
 	rldicl.	r3, r3, 0, 63		/* CR = ((r3 & 1) == 0) */
 	beq	no_dcbz32_on
 
@@ -128,13 +143,15 @@ kvm_start_lightweight:
 
 no_dcbz32_on:
 
-	ld	r6, VCPU_RMCALL(r4)
+#endif /* CONFIG_PPC_BOOK3S_64 */
+
+	PPC_LL	r6, VCPU_RMCALL(r4)
 	mtctr	r6
 
-	ld	r3, VCPU_TRAMPOLINE_ENTER(r4)
+	PPC_LL	r3, VCPU_TRAMPOLINE_ENTER(r4)
 	LOAD_REG_IMMEDIATE(r4, MSR_KERNEL & ~(MSR_IR | MSR_DR))
 
-	/* Jump to SLB patching handlder and into our guest */
+	/* Jump to segment patching handler and into our guest */
 	bctr
 
 /*
@@ -149,31 +166,20 @@ kvmppc_handler_highmem:
 	/*
 	 * Register usage at this point:
 	 *
-	 * R0         = guest last inst
-	 * R1         = host R1
-	 * R2         = host R2
-	 * R3         = guest PC
-	 * R4         = guest MSR
-	 * R5         = guest DAR
-	 * R6         = guest DSISR
-	 * R13        = PACA
-	 * PACA.KVM.* = guest *
+	 * R1       = host R1
+	 * R2       = host R2
+	 * R12      = exit handler id
+	 * R13      = PACA
+	 * SVCPU.*  = guest *
 	 *
 	 */
 
 	/* R7 = vcpu */
-	ld	r7, GPR4(r1)
+	PPC_LL	r7, GPR4(r1)
 
-	/* Now save the guest state */
+#ifdef CONFIG_PPC_BOOK3S_64
 
-	stw	r0, VCPU_LAST_INST(r7)
-
-	std	r3, VCPU_PC(r7)
-	std	r4, VCPU_SHADOW_SRR1(r7)
-	std	r5, VCPU_FAULT_DEAR(r7)
-	stw	r6, VCPU_FAULT_DSISR(r7)
-
-	ld	r5, VCPU_HFLAGS(r7)
+	PPC_LL	r5, VCPU_HFLAGS(r7)
 	rldicl.	r5, r5, 0, 63		/* CR = ((r5 & 1) == 0) */
 	beq	no_dcbz32_off
 
@@ -184,35 +190,29 @@ kvmppc_handler_highmem:
 
 no_dcbz32_off:
 
-	std	r14, VCPU_GPR(r14)(r7)
-	std	r15, VCPU_GPR(r15)(r7)
-	std	r16, VCPU_GPR(r16)(r7)
-	std	r17, VCPU_GPR(r17)(r7)
-	std	r18, VCPU_GPR(r18)(r7)
-	std	r19, VCPU_GPR(r19)(r7)
-	std	r20, VCPU_GPR(r20)(r7)
-	std	r21, VCPU_GPR(r21)(r7)
-	std	r22, VCPU_GPR(r22)(r7)
-	std	r23, VCPU_GPR(r23)(r7)
-	std	r24, VCPU_GPR(r24)(r7)
-	std	r25, VCPU_GPR(r25)(r7)
-	std	r26, VCPU_GPR(r26)(r7)
-	std	r27, VCPU_GPR(r27)(r7)
-	std	r28, VCPU_GPR(r28)(r7)
-	std	r29, VCPU_GPR(r29)(r7)
-	std	r30, VCPU_GPR(r30)(r7)
-	std	r31, VCPU_GPR(r31)(r7)
+#endif /* CONFIG_PPC_BOOK3S_64 */
 
-	/* Save guest CTR */
-	mfctr	r5
-	std	r5, VCPU_CTR(r7)
-
-	/* Save guest LR */
-	mflr	r5
-	std	r5, VCPU_LR(r7)
+	PPC_STL	r14, VCPU_GPR(r14)(r7)
+	PPC_STL	r15, VCPU_GPR(r15)(r7)
+	PPC_STL	r16, VCPU_GPR(r16)(r7)
+	PPC_STL	r17, VCPU_GPR(r17)(r7)
+	PPC_STL	r18, VCPU_GPR(r18)(r7)
+	PPC_STL	r19, VCPU_GPR(r19)(r7)
+	PPC_STL	r20, VCPU_GPR(r20)(r7)
+	PPC_STL	r21, VCPU_GPR(r21)(r7)
+	PPC_STL	r22, VCPU_GPR(r22)(r7)
+	PPC_STL	r23, VCPU_GPR(r23)(r7)
+	PPC_STL	r24, VCPU_GPR(r24)(r7)
+	PPC_STL	r25, VCPU_GPR(r25)(r7)
+	PPC_STL	r26, VCPU_GPR(r26)(r7)
+	PPC_STL	r27, VCPU_GPR(r27)(r7)
+	PPC_STL	r28, VCPU_GPR(r28)(r7)
+	PPC_STL	r29, VCPU_GPR(r29)(r7)
+	PPC_STL	r30, VCPU_GPR(r30)(r7)
+	PPC_STL	r31, VCPU_GPR(r31)(r7)
 
 	/* Restore host msr -> SRR1 */
-	ld	r6, VCPU_HOST_MSR(r7)
+	PPC_LL	r6, VCPU_HOST_MSR(r7)
 
 	/*
 	 * For some interrupts, we need to call the real Linux
@@ -231,6 +231,7 @@ no_dcbz32_off:
 
 	/* Back to EE=1 */
 	mtmsr	r6
+	sync
 	b	kvm_return_point
 
 call_linux_handler:
@@ -249,14 +250,14 @@ call_linux_handler:
 	 */
 
 	/* Restore host IP -> SRR0 */
-	ld	r5, VCPU_HOST_RETIP(r7)
+	PPC_LL	r5, VCPU_HOST_RETIP(r7)
 
 	/* XXX Better move to a safe function?
 	 *     What if we get an HTAB flush in between mtsrr0 and mtsrr1? */
 
 	mtlr	r12
 
-	ld	r4, VCPU_TRAMPOLINE_LOWMEM(r7)
+	PPC_LL	r4, VCPU_TRAMPOLINE_LOWMEM(r7)
 	mtsrr0	r4
 	LOAD_REG_IMMEDIATE(r3, MSR_KERNEL & ~(MSR_IR | MSR_DR))
 	mtsrr1	r3
@@ -274,7 +275,7 @@ kvm_return_point:
 
 	/* Restore r3 (kvm_run) and r4 (vcpu) */
 	REST_2GPRS(3, r1)
-	bl	KVMPPC_HANDLE_EXIT
+	bl	FUNC(kvmppc_handle_exit)
 
 	/* If RESUME_GUEST, get back in the loop */
 	cmpwi	r3, RESUME_GUEST
@@ -285,7 +286,7 @@ kvm_return_point:
 
 kvm_exit_loop:
 
-	ld	r4, _LINK(r1)
+	PPC_LL	r4, _LINK(r1)
 	mtlr	r4
 
 	/* Restore non-volatile host registers (r14 - r31) */
@@ -296,8 +297,8 @@ kvm_exit_loop:
 
 kvm_loop_heavyweight:
 
-	ld	r4, _LINK(r1)
-	std     r4, (16 + SWITCH_FRAME_SIZE)(r1)
+	PPC_LL	r4, _LINK(r1)
+	PPC_STL r4, (PPC_LR_STKOFF + SWITCH_FRAME_SIZE)(r1)
 
 	/* Load vcpu and cpu_run */
 	REST_2GPRS(3, r1)

From 53e5b8bbbd0d0305234b2cfeae400183db98f993 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:48 +0200
Subject: [PATCH 1705/3638] KVM: PPC: Make SLB switching code the new segment
 framework

We just introduced generic segment switching code that only needs to call
small macros to do the actual switching, but keeps most of the entry / exit
code generic.

So let's move the SLB switching code over to use this new mechanism.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_slb.S     | 183 ++++-----------------------
 arch/powerpc/kvm/book3s_rmhandlers.S |   2 +-
 2 files changed, 25 insertions(+), 160 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_slb.S b/arch/powerpc/kvm/book3s_64_slb.S
index 09196790795..04e7d3bbfe8 100644
--- a/arch/powerpc/kvm/book3s_64_slb.S
+++ b/arch/powerpc/kvm/book3s_64_slb.S
@@ -44,8 +44,7 @@ slb_exit_skip_ ## num:
  *                                                                            *
  *****************************************************************************/
 
-.global kvmppc_handler_trampoline_enter
-kvmppc_handler_trampoline_enter:
+.macro LOAD_GUEST_SEGMENTS
 
 	/* Required state:
 	 *
@@ -53,20 +52,14 @@ kvmppc_handler_trampoline_enter:
 	 * R13 = PACA
 	 * R1 = host R1
 	 * R2 = host R2
-	 * R9 = guest IP
-	 * R10 = guest MSR
-	 * all other GPRS = free
-	 * PACA[KVM_CR] = guest CR
-	 * PACA[KVM_XER] = guest XER
+	 * R3 = shadow vcpu
+	 * all other volatile GPRS = free
+	 * SVCPU[CR]  = guest CR
+	 * SVCPU[XER] = guest XER
+	 * SVCPU[CTR] = guest CTR
+	 * SVCPU[LR]  = guest LR
 	 */
 
-	mtsrr0	r9
-	mtsrr1	r10
-
-	/* Activate guest mode, so faults get handled by KVM */
-	li	r11, KVM_GUEST_MODE_GUEST
-	stb	r11, PACA_KVM_IN_GUEST(r13)
-
 	/* Remove LPAR shadow entries */
 
 #if SLB_NUM_BOLTED == 3
@@ -101,14 +94,14 @@ kvmppc_handler_trampoline_enter:
 
 	/* Fill SLB with our shadow */
 
-	lbz	r12, PACA_KVM_SLB_MAX(r13)
+	lbz	r12, SVCPU_SLB_MAX(r3)
 	mulli	r12, r12, 16
-	addi	r12, r12, PACA_KVM_SLB
-	add	r12, r12, r13
+	addi	r12, r12, SVCPU_SLB
+	add	r12, r12, r3
 
 	/* for (r11 = kvm_slb; r11 < kvm_slb + kvm_slb_size; r11+=slb_entry) */
-	li	r11, PACA_KVM_SLB
-	add	r11, r11, r13
+	li	r11, SVCPU_SLB
+	add	r11, r11, r3
 
 slb_loop_enter:
 
@@ -127,34 +120,7 @@ slb_loop_enter_skip:
 
 slb_do_enter:
 
-	/* Enter guest */
-
-	ld	r0, (PACA_KVM_R0)(r13)
-	ld	r1, (PACA_KVM_R1)(r13)
-	ld	r2, (PACA_KVM_R2)(r13)
-	ld	r3, (PACA_KVM_R3)(r13)
-	ld	r4, (PACA_KVM_R4)(r13)
-	ld	r5, (PACA_KVM_R5)(r13)
-	ld	r6, (PACA_KVM_R6)(r13)
-	ld	r7, (PACA_KVM_R7)(r13)
-	ld	r8, (PACA_KVM_R8)(r13)
-	ld	r9, (PACA_KVM_R9)(r13)
-	ld	r10, (PACA_KVM_R10)(r13)
-	ld	r12, (PACA_KVM_R12)(r13)
-
-	lwz	r11, (PACA_KVM_CR)(r13)
-	mtcr	r11
-
-	lwz	r11, (PACA_KVM_XER)(r13)
-	mtxer	r11
-
-	ld	r11, (PACA_KVM_R11)(r13)
-	ld	r13, (PACA_KVM_R13)(r13)
-
-	RFI
-kvmppc_handler_trampoline_enter_end:
-
-
+.endm
 
 /******************************************************************************
  *                                                                            *
@@ -162,99 +128,22 @@ kvmppc_handler_trampoline_enter_end:
  *                                                                            *
  *****************************************************************************/
 
-.global kvmppc_handler_trampoline_exit
-kvmppc_handler_trampoline_exit:
+.macro LOAD_HOST_SEGMENTS
 
 	/* Register usage at this point:
 	 *
-	 * SPRG_SCRATCH0     = guest R13
-	 * R12               = exit handler id
-	 * R13               = PACA
-	 * PACA.KVM.SCRATCH0 = guest R12
-	 * PACA.KVM.SCRATCH1 = guest CR
+	 * R1         = host R1
+	 * R2         = host R2
+	 * R12        = exit handler id
+	 * R13        = shadow vcpu - SHADOW_VCPU_OFF [=PACA on PPC64]
+	 * SVCPU.*    = guest *
+	 * SVCPU[CR]  = guest CR
+	 * SVCPU[XER] = guest XER
+	 * SVCPU[CTR] = guest CTR
+	 * SVCPU[LR]  = guest LR
 	 *
 	 */
 
-	/* Save registers */
-
-	std	r0, PACA_KVM_R0(r13)
-	std	r1, PACA_KVM_R1(r13)
-	std	r2, PACA_KVM_R2(r13)
-	std	r3, PACA_KVM_R3(r13)
-	std	r4, PACA_KVM_R4(r13)
-	std	r5, PACA_KVM_R5(r13)
-	std	r6, PACA_KVM_R6(r13)
-	std	r7, PACA_KVM_R7(r13)
-	std	r8, PACA_KVM_R8(r13)
-	std	r9, PACA_KVM_R9(r13)
-	std	r10, PACA_KVM_R10(r13)
-	std	r11, PACA_KVM_R11(r13)
-
-	/* Restore R1/R2 so we can handle faults */
-	ld	r1, PACA_KVM_HOST_R1(r13)
-	ld	r2, PACA_KVM_HOST_R2(r13)
-
-	/* Save guest PC and MSR in GPRs */
-	mfsrr0	r3
-	mfsrr1	r4
-
-	/* Get scratch'ed off registers */
-	mfspr	r9, SPRN_SPRG_SCRATCH0
-	std	r9, PACA_KVM_R13(r13)
-
-	ld	r8, PACA_KVM_SCRATCH0(r13)
-	std	r8, PACA_KVM_R12(r13)
-
-	lwz	r7, PACA_KVM_SCRATCH1(r13)
-	stw	r7, PACA_KVM_CR(r13)
-
-	/* Save more register state  */
-
-	mfxer	r6
-	stw	r6, PACA_KVM_XER(r13)
-
-	mfdar	r5
-	mfdsisr	r6
-
-	/*
-	 * In order for us to easily get the last instruction,
-	 * we got the #vmexit at, we exploit the fact that the
-	 * virtual layout is still the same here, so we can just
-	 * ld from the guest's PC address
-	 */
-
-	/* We only load the last instruction when it's safe */
-	cmpwi	r12, BOOK3S_INTERRUPT_DATA_STORAGE
-	beq	ld_last_inst
-	cmpwi	r12, BOOK3S_INTERRUPT_PROGRAM
-	beq	ld_last_inst
-
-	b	no_ld_last_inst
-
-ld_last_inst:
-	/* Save off the guest instruction we're at */
-
-	/* Set guest mode to 'jump over instruction' so if lwz faults
-	 * we'll just continue at the next IP. */
-	li	r9, KVM_GUEST_MODE_SKIP
-	stb	r9, PACA_KVM_IN_GUEST(r13)
-
-	/*    1) enable paging for data */
-	mfmsr	r9
-	ori	r11, r9, MSR_DR			/* Enable paging for data */
-	mtmsr	r11
-	/*    2) fetch the instruction */
-	li	r0, KVM_INST_FETCH_FAILED	/* In case lwz faults */
-	lwz	r0, 0(r3)
-	/*    3) disable paging again */
-	mtmsr	r9
-
-no_ld_last_inst:
-
-	/* Unset guest mode */
-	li	r9, KVM_GUEST_MODE_NONE
-	stb	r9, PACA_KVM_IN_GUEST(r13)
-
 	/* Restore bolted entries from the shadow and fix it along the way */
 
 	/* We don't store anything in entry 0, so we don't need to take care of it */
@@ -275,28 +164,4 @@ no_ld_last_inst:
 
 slb_do_exit:
 
-	/* Register usage at this point:
-	 *
-	 * R0         = guest last inst
-	 * R1         = host R1
-	 * R2         = host R2
-	 * R3         = guest PC
-	 * R4         = guest MSR
-	 * R5         = guest DAR
-	 * R6         = guest DSISR
-	 * R12        = exit handler id
-	 * R13        = PACA
-	 * PACA.KVM.* = guest *
-	 *
-	 */
-
-	/* RFI into the highmem handler */
-	mfmsr	r7
-	ori	r7, r7, MSR_IR|MSR_DR|MSR_RI	/* Enable paging */
-	mtsrr1	r7
-	ld	r8, PACA_KVM_VMHANDLER(r13)	/* Highmem handler address */
-	mtsrr0	r8
-
-	RFI
-kvmppc_handler_trampoline_exit_end:
-
+.endm
diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S
index 284f0a03891..8a1c4bdb58b 100644
--- a/arch/powerpc/kvm/book3s_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_rmhandlers.S
@@ -248,4 +248,4 @@ kvmppc_trampoline_lowmem:
 kvmppc_trampoline_enter:
 	.long kvmppc_handler_trampoline_enter - _stext
 
-#include "book3s_64_slb.S"
+#include "book3s_segment.S"

From 33fd27c7d26ec869f637634526e7293027bd8746 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:49 +0200
Subject: [PATCH 1706/3638] KVM: PPC: Release clean pages as clean

When we mapped a page as read-only, we can just release it as clean to
KVM's page claim mechanisms, because we're pretty sure it hasn't been
touched.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_mmu_host.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index 0eea589dbef..b2301543837 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -55,7 +55,11 @@ static void invalidate_pte(struct hpte_cache *pte)
 			       MMU_PAGE_4K, MMU_SEGSIZE_256M,
 			       false);
 	pte->host_va = 0;
-	kvm_release_pfn_dirty(pte->pfn);
+
+	if (pte->pte.may_write)
+		kvm_release_pfn_dirty(pte->pfn);
+	else
+		kvm_release_pfn_clean(pte->pfn);
 }
 
 void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 guest_ea, u64 ea_mask)

From 0474b259d0366a70ea83b94534c333093c189421 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:50 +0200
Subject: [PATCH 1707/3638] KVM: PPC: Remove fetch fail code

When instruction fetch failed, the inline function hook automatically
detects that and starts the internal guest memory load function. So
whenever we access kvmppc_get_last_inst(), we're sure the result is sane.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/emulate.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index b608c0b0beb..4568ec386c2 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -147,10 +147,6 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 
 	pr_debug(KERN_INFO "Emulating opcode %d / %d\n", get_op(inst), get_xop(inst));
 
-	/* Try again next time */
-	if (inst == KVM_INST_FETCH_FAILED)
-		return EMULATE_DONE;
-
 	switch (get_op(inst)) {
 	case OP_TRAP:
 #ifdef CONFIG_PPC_BOOK3S

From 97e492558f423d99c51eb934506b7a3d7c64613b Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:51 +0200
Subject: [PATCH 1708/3638] KVM: PPC: Add SVCPU to Book3S_32

We need to keep the pointer to the shadow vcpu somewhere accessible from
within really early interrupt code. The best fit I found was the thread
struct, as that resides in an SPRG.

So let's put a pointer to the shadow vcpu in the thread struct and add
an asm-offset so we can find it.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/processor.h | 3 +++
 arch/powerpc/kernel/asm-offsets.c    | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 221ba624046..7492fe8ad6e 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -229,6 +229,9 @@ struct thread_struct {
 	unsigned long	spefscr;	/* SPE & eFP status */
 	int		used_spe;	/* set if process has used spe */
 #endif /* CONFIG_SPE */
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
+	void*		kvm_shadow_vcpu; /* KVM internal data */
+#endif /* CONFIG_KVM_BOOK3S_32_HANDLER */
 };
 
 #define ARCH_MIN_TASKALIGN 16
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index e8003ff81ee..1804c2cd1df 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -108,6 +108,9 @@ int main(void)
 	DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
 #endif /* CONFIG_SPE */
 #endif /* CONFIG_PPC64 */
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
+	DEFINE(THREAD_KVM_SVCPU, offsetof(struct thread_struct, kvm_shadow_vcpu));
+#endif
 
 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
 	DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));

From 61db97cc1e7fce4fd16f72b1350e1728797fa26f Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:52 +0200
Subject: [PATCH 1709/3638] KVM: PPC: Emulate segment fault

Book3S_32 doesn't know about segment faults. It only knows about page faults.
So in order to know that we didn't map a segment, we need to fake segment
faults.

We do this by setting invalid segment registers to an invalid VSID and then
check for that VSID on normal page faults.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index d0986968a61..f8ac26599f6 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -775,6 +775,18 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	switch (exit_nr) {
 	case BOOK3S_INTERRUPT_INST_STORAGE:
 		vcpu->stat.pf_instruc++;
+
+#ifdef CONFIG_PPC_BOOK3S_32
+		/* We set segments as unused segments when invalidating them. So
+		 * treat the respective fault as segment fault. */
+		if (to_svcpu(vcpu)->sr[kvmppc_get_pc(vcpu) >> SID_SHIFT]
+		    == SR_INVALID) {
+			kvmppc_mmu_map_segment(vcpu, kvmppc_get_pc(vcpu));
+			r = RESUME_GUEST;
+			break;
+		}
+#endif
+
 		/* only care about PTEG not found errors, but leave NX alone */
 		if (to_svcpu(vcpu)->shadow_srr1 & 0x40000000) {
 			r = kvmppc_handle_pagefault(run, vcpu, kvmppc_get_pc(vcpu), exit_nr);
@@ -799,6 +811,17 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	{
 		ulong dar = kvmppc_get_fault_dar(vcpu);
 		vcpu->stat.pf_storage++;
+
+#ifdef CONFIG_PPC_BOOK3S_32
+		/* We set segments as unused segments when invalidating them. So
+		 * treat the respective fault as segment fault. */
+		if ((to_svcpu(vcpu)->sr[dar >> SID_SHIFT]) == SR_INVALID) {
+			kvmppc_mmu_map_segment(vcpu, dar);
+			r = RESUME_GUEST;
+			break;
+		}
+#endif
+
 		/* The only case we need to handle is missing shadow PTEs */
 		if (to_svcpu(vcpu)->fault_dsisr & DSISR_NOHPTE) {
 			r = kvmppc_handle_pagefault(run, vcpu, dar, exit_nr);

From 07b0907db19d28dc74e7927d565655690b96daf7 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:53 +0200
Subject: [PATCH 1710/3638] KVM: PPC: Add Book3S compatibility code

Some code we had so far required defines and had code that was completely
Book3S_64 specific. Since we now opened book3s.c to Book3S_32 too, we need
to take care of these pieces.

So let's add some minor code where it makes sense to not go the Book3S_64
code paths and add compat defines on others.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c            | 26 +++++++++++++++++++++++++-
 arch/powerpc/kvm/book3s_32_mmu.c     |  3 +++
 arch/powerpc/kvm/book3s_emulate.c    |  4 ++++
 arch/powerpc/kvm/book3s_rmhandlers.S |  4 ++--
 4 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index f8ac26599f6..61ae0faf0d2 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -40,6 +40,13 @@
 static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
 			     ulong msr);
 
+/* Some compatibility defines */
+#ifdef CONFIG_PPC_BOOK3S_32
+#define MSR_USER32 MSR_USER
+#define MSR_USER64 MSR_USER
+#define HW_PAGE_SIZE PAGE_SIZE
+#endif
+
 struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "exits",       VCPU_STAT(sum_exits) },
 	{ "mmio",        VCPU_STAT(mmio_exits) },
@@ -348,11 +355,14 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 {
 	vcpu->arch.hflags &= ~BOOK3S_HFLAG_SLB;
 	vcpu->arch.pvr = pvr;
+#ifdef CONFIG_PPC_BOOK3S_64
 	if ((pvr >= 0x330000) && (pvr < 0x70330000)) {
 		kvmppc_mmu_book3s_64_init(vcpu);
 		to_book3s(vcpu)->hior = 0xfff00000;
 		to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL;
-	} else {
+	} else
+#endif
+	{
 		kvmppc_mmu_book3s_32_init(vcpu);
 		to_book3s(vcpu)->hior = 0;
 		to_book3s(vcpu)->msr_mask = 0xffffffffULL;
@@ -369,6 +379,11 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 	   really needs them in a VM on Cell and force disable them. */
 	if (!strcmp(cur_cpu_spec->platform, "ppc-cell-be"))
 		to_book3s(vcpu)->msr_mask &= ~(MSR_FE0 | MSR_FE1);
+
+#ifdef CONFIG_PPC_BOOK3S_32
+	/* 32 bit Book3S always has 32 byte dcbz */
+	vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32;
+#endif
 }
 
 /* Book3s_32 CPUs always have 32 bytes cache line size, which Linux assumes. To
@@ -1212,8 +1227,13 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 
 	vcpu->arch.host_retip = kvm_return_point;
 	vcpu->arch.host_msr = mfmsr();
+#ifdef CONFIG_PPC_BOOK3S_64
 	/* default to book3s_64 (970fx) */
 	vcpu->arch.pvr = 0x3C0301;
+#else
+	/* default to book3s_32 (750) */
+	vcpu->arch.pvr = 0x84202;
+#endif
 	kvmppc_set_pvr(vcpu, vcpu->arch.pvr);
 	vcpu_book3s->slb_nr = 64;
 
@@ -1221,7 +1241,11 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 	vcpu->arch.trampoline_lowmem = kvmppc_trampoline_lowmem;
 	vcpu->arch.trampoline_enter = kvmppc_trampoline_enter;
 	vcpu->arch.highmem_handler = (ulong)kvmppc_handler_highmem;
+#ifdef CONFIG_PPC_BOOK3S_64
 	vcpu->arch.rmcall = *(ulong*)kvmppc_rmcall;
+#else
+	vcpu->arch.rmcall = (ulong)kvmppc_rmcall;
+#endif
 
 	vcpu->arch.shadow_msr = MSR_USER64;
 
diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c
index 7071e22b42f..48efb37500a 100644
--- a/arch/powerpc/kvm/book3s_32_mmu.c
+++ b/arch/powerpc/kvm/book3s_32_mmu.c
@@ -45,6 +45,9 @@
 
 #define PTEG_FLAG_ACCESSED	0x00000100
 #define PTEG_FLAG_DIRTY		0x00000080
+#ifndef SID_SHIFT
+#define SID_SHIFT		28
+#endif
 
 static inline bool check_debug_ip(struct kvm_vcpu *vcpu)
 {
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index daa829b8f1f..3f7afb5f348 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -59,6 +59,10 @@
 #define SPRN_GQR6		918
 #define SPRN_GQR7		919
 
+/* Book3S_32 defines mfsrin(v) - but that messes up our abstract
+ * function pointers, so let's just disable the define. */
+#undef mfsrin
+
 int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
                            unsigned int inst, int *advance)
 {
diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S
index 8a1c4bdb58b..506d5c316c9 100644
--- a/arch/powerpc/kvm/book3s_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_rmhandlers.S
@@ -242,10 +242,10 @@ define_load_up(vsx)
 
 .global kvmppc_trampoline_lowmem
 kvmppc_trampoline_lowmem:
-	.long kvmppc_handler_lowmem_trampoline - _stext
+	.long kvmppc_handler_lowmem_trampoline - CONFIG_KERNEL_START
 
 .global kvmppc_trampoline_enter
 kvmppc_trampoline_enter:
-	.long kvmppc_handler_trampoline_enter - _stext
+	.long kvmppc_handler_trampoline_enter - CONFIG_KERNEL_START
 
 #include "book3s_segment.S"

From be85669886776faa496b026b344691c325727731 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:54 +0200
Subject: [PATCH 1711/3638] KVM: PPC: Export MMU variables

Our shadow MMU code needs to know where the HTAB is located and how
big it is. So we need some variables from the kernel exported to
module space if KVM is built as a module.

CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kernel/ppc_ksyms.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index bc9f39d2598..2b7c43f95bb 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -178,6 +178,11 @@ EXPORT_SYMBOL(switch_mmu_context);
 extern long mol_trampoline;
 EXPORT_SYMBOL(mol_trampoline); /* For MOL */
 EXPORT_SYMBOL(flush_hash_pages); /* For MOL */
+
+extern struct hash_pte *Hash;
+extern unsigned long _SDR1;
+EXPORT_SYMBOL_GPL(Hash); /* For KVM */
+EXPORT_SYMBOL_GPL(_SDR1); /* For KVM */
 #ifdef CONFIG_SMP
 extern int mmu_hash_lock;
 EXPORT_SYMBOL(mmu_hash_lock); /* For MOL */

From 218d169c4c856eee7df56ea0fb8cbb32167e63d3 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:55 +0200
Subject: [PATCH 1712/3638] PPC: Export SWITCH_FRAME_SIZE

We need the SWITCH_FRAME_SIZE define on Book3S_32 now too.
So let's export it unconditionally.

CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kernel/asm-offsets.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 1804c2cd1df..2716c51906d 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -210,8 +210,8 @@ int main(void)
 	/* Interrupt register frame */
 	DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
 	DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
-#ifdef CONFIG_PPC64
 	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
+#ifdef CONFIG_PPC64
 	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
 	DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
 	DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);

From ada7ba17b4054f303ad62d91ffd22bc4afad1657 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:56 +0200
Subject: [PATCH 1713/3638] KVM: PPC: Check max IRQ prio

We have a define on what the highest bit of IRQ priorities is. So we can
just as well use it in the bit checking code and avoid invalid IRQ values
to be triggered.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 61ae0faf0d2..ec0a6512ab0 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -337,7 +337,7 @@ void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu)
 		printk(KERN_EMERG "KVM: Check pending: %lx\n", vcpu->arch.pending_exceptions);
 #endif
 	priority = __ffs(*pending);
-	while (priority <= (sizeof(unsigned int) * 8)) {
+	while (priority < BOOK3S_IRQPRIO_MAX) {
 		if (kvmppc_book3s_irqprio_deliver(vcpu, priority) &&
 		    (priority != BOOK3S_IRQPRIO_DECREMENTER)) {
 			/* DEC interrupts get cleared by mtdec */

From dd84c21748d9280f210565429b1bdb9b6353e8d2 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:57 +0200
Subject: [PATCH 1714/3638] KVM: PPC: Add KVM intercept handlers

When an interrupt occurs we don't know yet if we're in guest context or
in host context. When in guest context, KVM needs to handle it.

So let's pull the same trick we did on Book3S_64: Just add a macro to
determine if we're in guest context or not and if so jump on to KVM code.

CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kernel/head_32.S | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index e025e89fe93..98c4b29a56f 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -33,6 +33,7 @@
 #include <asm/asm-offsets.h>
 #include <asm/ptrace.h>
 #include <asm/bug.h>
+#include <asm/kvm_book3s_asm.h>
 
 /* 601 only have IBAT; cr0.eq is set on 601 when using this macro */
 #define LOAD_BAT(n, reg, RA, RB)	\
@@ -303,6 +304,7 @@ __secondary_hold_acknowledge:
  */
 #define EXCEPTION(n, label, hdlr, xfer)		\
 	. = n;					\
+	DO_KVM n;				\
 label:						\
 	EXCEPTION_PROLOG;			\
 	addi	r3,r1,STACK_FRAME_OVERHEAD;	\
@@ -358,6 +360,7 @@ i##n:								\
  *	-- paulus.
  */
 	. = 0x200
+	DO_KVM  0x200
 	mtspr	SPRN_SPRG_SCRATCH0,r10
 	mtspr	SPRN_SPRG_SCRATCH1,r11
 	mfcr	r10
@@ -381,6 +384,7 @@ i##n:								\
 
 /* Data access exception. */
 	. = 0x300
+	DO_KVM  0x300
 DataAccess:
 	EXCEPTION_PROLOG
 	mfspr	r10,SPRN_DSISR
@@ -397,6 +401,7 @@ DataAccess:
 
 /* Instruction access exception. */
 	. = 0x400
+	DO_KVM  0x400
 InstructionAccess:
 	EXCEPTION_PROLOG
 	andis.	r0,r9,0x4000		/* no pte found? */
@@ -413,6 +418,7 @@ InstructionAccess:
 
 /* Alignment exception */
 	. = 0x600
+	DO_KVM  0x600
 Alignment:
 	EXCEPTION_PROLOG
 	mfspr	r4,SPRN_DAR
@@ -427,6 +433,7 @@ Alignment:
 
 /* Floating-point unavailable */
 	. = 0x800
+	DO_KVM  0x800
 FPUnavailable:
 BEGIN_FTR_SECTION
 /*
@@ -450,6 +457,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_FPU_UNAVAILABLE)
 
 /* System call */
 	. = 0xc00
+	DO_KVM  0xc00
 SystemCall:
 	EXCEPTION_PROLOG
 	EXC_XFER_EE_LITE(0xc00, DoSyscall)
@@ -467,9 +475,11 @@ SystemCall:
  * by executing an altivec instruction.
  */
 	. = 0xf00
+	DO_KVM  0xf00
 	b	PerformanceMonitor
 
 	. = 0xf20
+	DO_KVM  0xf20
 	b	AltiVecUnavailable
 
 /*
@@ -882,6 +892,10 @@ __secondary_start:
 	RFI
 #endif /* CONFIG_SMP */
 
+#ifdef CONFIG_KVM_BOOK3S_HANDLER
+#include "../kvm/book3s_rmhandlers.S"
+#endif
+
 /*
  * Those generic dummy functions are kept for CPUs not
  * included in CONFIG_6xx

From 4f84139037b0c006c906cacbe904b25ccd4dfff9 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 16 Apr 2010 00:11:58 +0200
Subject: [PATCH 1715/3638] KVM: PPC: Enable Book3S_32 KVM building

Now that we have all the bits and pieces in place, let's enable building
of the Book3S_32 target.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/Kconfig  | 18 ++++++++++++++++++
 arch/powerpc/kvm/Makefile | 12 ++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index d864698860c..b7baff78f90 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -25,10 +25,28 @@ config KVM
 config KVM_BOOK3S_HANDLER
 	bool
 
+config KVM_BOOK3S_32_HANDLER
+	bool
+	select KVM_BOOK3S_HANDLER
+
 config KVM_BOOK3S_64_HANDLER
 	bool
 	select KVM_BOOK3S_HANDLER
 
+config KVM_BOOK3S_32
+	tristate "KVM support for PowerPC book3s_32 processors"
+	depends on EXPERIMENTAL && PPC_BOOK3S_32 && !SMP && !PTE_64BIT
+	select KVM
+	select KVM_BOOK3S_32_HANDLER
+	---help---
+	  Support running unmodified book3s_32 guest kernels
+	  in virtual machines on book3s_32 host processors.
+
+	  This module provides access to the hardware capabilities through
+	  a character device node named /dev/kvm.
+
+	  If unsure, say N.
+
 config KVM_BOOK3S_64
 	tristate "KVM support for PowerPC book3s_64 processors"
 	depends on EXPERIMENTAL && PPC_BOOK3S_64
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index f621ce64363..ff436066bf7 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -50,9 +50,21 @@ kvm-book3s_64-objs := \
 	book3s_32_mmu.o
 kvm-objs-$(CONFIG_KVM_BOOK3S_64) := $(kvm-book3s_64-objs)
 
+kvm-book3s_32-objs := \
+	$(common-objs-y) \
+	fpu.o \
+	book3s_paired_singles.o \
+	book3s.o \
+	book3s_emulate.o \
+	book3s_interrupts.o \
+	book3s_32_mmu_host.o \
+	book3s_32_mmu.o
+kvm-objs-$(CONFIG_KVM_BOOK3S_32) := $(kvm-book3s_32-objs)
+
 kvm-objs := $(kvm-objs-m) $(kvm-objs-y)
 
 obj-$(CONFIG_KVM_440) += kvm.o
 obj-$(CONFIG_KVM_E500) += kvm.o
 obj-$(CONFIG_KVM_BOOK3S_64) += kvm.o
+obj-$(CONFIG_KVM_BOOK3S_32) += kvm.o
 

From af7b4d104b36e782a5a97dd55958c3c63964e088 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:46 +0200
Subject: [PATCH 1716/3638] KVM: PPC: Convert u64 -> ulong

There are some pieces in the code that I overlooked that still use
u64s instead of longs. This slows down 32 bit hosts unnecessarily, so
let's just move them to ulong.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h | 4 ++--
 arch/powerpc/include/asm/kvm_host.h   | 6 +++---
 arch/powerpc/kvm/book3s.c             | 6 +++---
 arch/powerpc/kvm/book3s_32_mmu.c      | 6 +++---
 arch/powerpc/kvm/book3s_32_mmu_host.c | 8 +++-----
 arch/powerpc/kvm/book3s_64_mmu.c      | 4 ++--
 arch/powerpc/kvm/book3s_64_mmu_host.c | 6 +++---
 7 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 9517b8deafe..5d3bd0cc411 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -107,9 +107,9 @@ struct kvmppc_vcpu_book3s {
 #define VSID_BAT	0x7fffffffffb00000ULL
 #define VSID_PR		0x8000000000000000ULL
 
-extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
+extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask);
 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
-extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
+extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end);
 extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 5a83995105f..0c9ad869dec 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -124,9 +124,9 @@ struct kvm_arch {
 };
 
 struct kvmppc_pte {
-	u64 eaddr;
+	ulong eaddr;
 	u64 vpage;
-	u64 raddr;
+	ulong raddr;
 	bool may_read		: 1;
 	bool may_write		: 1;
 	bool may_execute	: 1;
@@ -145,7 +145,7 @@ struct kvmppc_mmu {
 	int  (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data);
 	void (*reset_msr)(struct kvm_vcpu *vcpu);
 	void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
-	int  (*esid_to_vsid)(struct kvm_vcpu *vcpu, u64 esid, u64 *vsid);
+	int  (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
 	u64  (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
 	bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
 };
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index ec0a6512ab0..6ee9c5e1ffe 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -813,12 +813,12 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			 *     so we can't use the NX bit inside the guest. Let's cross our fingers,
 			 *     that no guest that needs the dcbz hack does NX.
 			 */
-			kvmppc_mmu_pte_flush(vcpu, kvmppc_get_pc(vcpu), ~0xFFFULL);
+			kvmppc_mmu_pte_flush(vcpu, kvmppc_get_pc(vcpu), ~0xFFFUL);
 			r = RESUME_GUEST;
 		} else {
 			vcpu->arch.msr |= to_svcpu(vcpu)->shadow_srr1 & 0x58000000;
 			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
-			kvmppc_mmu_pte_flush(vcpu, kvmppc_get_pc(vcpu), ~0xFFFULL);
+			kvmppc_mmu_pte_flush(vcpu, kvmppc_get_pc(vcpu), ~0xFFFUL);
 			r = RESUME_GUEST;
 		}
 		break;
@@ -844,7 +844,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			vcpu->arch.dear = dar;
 			to_book3s(vcpu)->dsisr = to_svcpu(vcpu)->fault_dsisr;
 			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
-			kvmppc_mmu_pte_flush(vcpu, vcpu->arch.dear, ~0xFFFULL);
+			kvmppc_mmu_pte_flush(vcpu, vcpu->arch.dear, ~0xFFFUL);
 			r = RESUME_GUEST;
 		}
 		break;
diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c
index 48efb37500a..33186b745c9 100644
--- a/arch/powerpc/kvm/book3s_32_mmu.c
+++ b/arch/powerpc/kvm/book3s_32_mmu.c
@@ -60,7 +60,7 @@ static inline bool check_debug_ip(struct kvm_vcpu *vcpu)
 
 static int kvmppc_mmu_book3s_32_xlate_bat(struct kvm_vcpu *vcpu, gva_t eaddr,
 					  struct kvmppc_pte *pte, bool data);
-static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, u64 esid,
+static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, ulong esid,
 					     u64 *vsid);
 
 static struct kvmppc_sr *find_sr(struct kvmppc_vcpu_book3s *vcpu_book3s, gva_t eaddr)
@@ -183,7 +183,7 @@ static int kvmppc_mmu_book3s_32_xlate_pte(struct kvm_vcpu *vcpu, gva_t eaddr,
 	struct kvmppc_sr *sre;
 	hva_t ptegp;
 	u32 pteg[16];
-	u64 ptem = 0;
+	u32 ptem = 0;
 	int i;
 	int found = 0;
 
@@ -327,7 +327,7 @@ static void kvmppc_mmu_book3s_32_tlbie(struct kvm_vcpu *vcpu, ulong ea, bool lar
 	kvmppc_mmu_pte_flush(vcpu, ea, 0x0FFFF000);
 }
 
-static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, u64 esid,
+static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, ulong esid,
 					     u64 *vsid)
 {
 	/* In case we only have one of MSR_IR or MSR_DR set, let's put
diff --git a/arch/powerpc/kvm/book3s_32_mmu_host.c b/arch/powerpc/kvm/book3s_32_mmu_host.c
index ce1bfb19c4c..2bb67e633de 100644
--- a/arch/powerpc/kvm/book3s_32_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_32_mmu_host.c
@@ -77,11 +77,9 @@ static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
 		kvm_release_pfn_clean(pte->pfn);
 }
 
-void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 _guest_ea, u64 _ea_mask)
+void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong guest_ea, ulong ea_mask)
 {
 	int i;
-	u32 guest_ea = _guest_ea;
-	u32 ea_mask = _ea_mask;
 
 	dprintk_mmu("KVM: Flushing %d Shadow PTEs: 0x%x & 0x%x\n",
 		    vcpu->arch.hpte_cache_offset, guest_ea, ea_mask);
@@ -127,7 +125,7 @@ void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 guest_vp, u64 vp_mask)
 	}
 }
 
-void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end)
+void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end)
 {
 	int i;
 
@@ -265,7 +263,7 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte)
 	/* Get host physical address for gpa */
 	hpaddr = gfn_to_pfn(vcpu->kvm, orig_pte->raddr >> PAGE_SHIFT);
 	if (kvm_is_error_hva(hpaddr)) {
-		printk(KERN_INFO "Couldn't get guest page for gfn %llx!\n",
+		printk(KERN_INFO "Couldn't get guest page for gfn %lx!\n",
 				 orig_pte->eaddr);
 		return -EINVAL;
 	}
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index 12e4c975a37..a9241e90a68 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -232,7 +232,7 @@ do_second:
 			}
 
 			dprintk("KVM MMU: Translated 0x%lx [0x%llx] -> 0x%llx "
-				"-> 0x%llx\n",
+				"-> 0x%lx\n",
 				eaddr, avpn, gpte->vpage, gpte->raddr);
 			found = true;
 			break;
@@ -439,7 +439,7 @@ static void kvmppc_mmu_book3s_64_tlbie(struct kvm_vcpu *vcpu, ulong va,
 	kvmppc_mmu_pte_vflush(vcpu, va >> 12, mask);
 }
 
-static int kvmppc_mmu_book3s_64_esid_to_vsid(struct kvm_vcpu *vcpu, u64 esid,
+static int kvmppc_mmu_book3s_64_esid_to_vsid(struct kvm_vcpu *vcpu, ulong esid,
 					     u64 *vsid)
 {
 	switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index b2301543837..41af12fb126 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -62,7 +62,7 @@ static void invalidate_pte(struct hpte_cache *pte)
 		kvm_release_pfn_clean(pte->pfn);
 }
 
-void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 guest_ea, u64 ea_mask)
+void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong guest_ea, ulong ea_mask)
 {
 	int i;
 
@@ -110,7 +110,7 @@ void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 guest_vp, u64 vp_mask)
 	}
 }
 
-void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end)
+void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end)
 {
 	int i;
 
@@ -216,7 +216,7 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte)
 	/* Get host physical address for gpa */
 	hpaddr = gfn_to_pfn(vcpu->kvm, orig_pte->raddr >> PAGE_SHIFT);
 	if (kvm_is_error_hva(hpaddr)) {
-		printk(KERN_INFO "Couldn't get guest page for gfn %llx!\n", orig_pte->eaddr);
+		printk(KERN_INFO "Couldn't get guest page for gfn %lx!\n", orig_pte->eaddr);
 		return -EINVAL;
 	}
 	hpaddr <<= PAGE_SHIFT;

From 7fdaec997cc8ef77e8da7ed70f3d9f074b61c31f Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:47 +0200
Subject: [PATCH 1717/3638] KVM: PPC: Make Performance Counters work

When we get a performance counter interrupt we need to route it on to the
Linux handler after we got out of the guest context. We also need to tell
our handling code that this particular interrupt doesn't need treatment.

So let's add those two bits in, making perf work while having a KVM guest
running.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c            | 3 +++
 arch/powerpc/kvm/book3s_interrupts.S | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 6ee9c5e1ffe..f66de7e518f 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -873,6 +873,9 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		vcpu->stat.ext_intr_exits++;
 		r = RESUME_GUEST;
 		break;
+	case BOOK3S_INTERRUPT_PERFMON:
+		r = RESUME_GUEST;
+		break;
 	case BOOK3S_INTERRUPT_PROGRAM:
 	{
 		enum emulation_result er;
diff --git a/arch/powerpc/kvm/book3s_interrupts.S b/arch/powerpc/kvm/book3s_interrupts.S
index a1b50280dc4..2f0bc928b08 100644
--- a/arch/powerpc/kvm/book3s_interrupts.S
+++ b/arch/powerpc/kvm/book3s_interrupts.S
@@ -228,6 +228,8 @@ no_dcbz32_off:
 	beq	call_linux_handler
 	cmpwi	r12, BOOK3S_INTERRUPT_DECREMENTER
 	beq	call_linux_handler
+	cmpwi	r12, BOOK3S_INTERRUPT_PERFMON
+	beq	call_linux_handler
 
 	/* Back to EE=1 */
 	mtmsr	r6

From f7bc74e1c306636a659a04805474b2f8fcbd1f7e Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:48 +0200
Subject: [PATCH 1718/3638] KVM: PPC: Improve split mode

When in split mode, instruction relocation and data relocation are not equal.

So far we implemented this mode by reserving a special pseudo-VSID for the
two cases and flushing all PTEs when going into split mode, which is slow.

Unfortunately 32bit Linux and Mac OS X use split mode extensively. So to not
slow down things too much, I came up with a different idea: Mark the split
mode with a bit in the VSID and then treat it like any other segment.

This means we can just flush the shadow segment cache, but keep the PTEs
intact. I verified that this works with ppc32 Linux and Mac OS X 10.4
guests and does speed them up.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_book3s.h |  9 +++----
 arch/powerpc/kvm/book3s.c             | 28 +++++++++----------
 arch/powerpc/kvm/book3s_32_mmu.c      | 21 +++++++++------
 arch/powerpc/kvm/book3s_64_mmu.c      | 39 ++++++++++++++-------------
 4 files changed, 52 insertions(+), 45 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 5d3bd0cc411..6f74d93725a 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -100,11 +100,10 @@ struct kvmppc_vcpu_book3s {
 #define CONTEXT_GUEST		1
 #define CONTEXT_GUEST_END	2
 
-#define VSID_REAL_DR	0x7ffffffffff00000ULL
-#define VSID_REAL_IR	0x7fffffffffe00000ULL
-#define VSID_SPLIT_MASK	0x7fffffffffe00000ULL
-#define VSID_REAL	0x7fffffffffc00000ULL
-#define VSID_BAT	0x7fffffffffb00000ULL
+#define VSID_REAL	0x1fffffffffc00000ULL
+#define VSID_BAT	0x1fffffffffb00000ULL
+#define VSID_REAL_DR	0x2000000000000000ULL
+#define VSID_REAL_IR	0x4000000000000000ULL
 #define VSID_PR		0x8000000000000000ULL
 
 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask);
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index f66de7e518f..397701d39ae 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -148,16 +148,8 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 		}
 	}
 
-	if (((vcpu->arch.msr & (MSR_IR|MSR_DR)) != (old_msr & (MSR_IR|MSR_DR))) ||
-	    (vcpu->arch.msr & MSR_PR) != (old_msr & MSR_PR)) {
-		bool dr = (vcpu->arch.msr & MSR_DR) ? true : false;
-		bool ir = (vcpu->arch.msr & MSR_IR) ? true : false;
-
-		/* Flush split mode PTEs */
-		if (dr != ir)
-			kvmppc_mmu_pte_vflush(vcpu, VSID_SPLIT_MASK,
-					      VSID_SPLIT_MASK);
-
+	if ((vcpu->arch.msr & (MSR_PR|MSR_IR|MSR_DR)) !=
+		   (old_msr & (MSR_PR|MSR_IR|MSR_DR))) {
 		kvmppc_mmu_flush_segments(vcpu);
 		kvmppc_mmu_map_segment(vcpu, kvmppc_get_pc(vcpu));
 	}
@@ -535,6 +527,7 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	bool is_mmio = false;
 	bool dr = (vcpu->arch.msr & MSR_DR) ? true : false;
 	bool ir = (vcpu->arch.msr & MSR_IR) ? true : false;
+	u64 vsid;
 
 	relocated = data ? dr : ir;
 
@@ -552,13 +545,20 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 
 	switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
 	case 0:
-		pte.vpage |= VSID_REAL;
+		pte.vpage |= ((u64)VSID_REAL << (SID_SHIFT - 12));
 		break;
 	case MSR_DR:
-		pte.vpage |= VSID_REAL_DR;
-		break;
 	case MSR_IR:
-		pte.vpage |= VSID_REAL_IR;
+		vcpu->arch.mmu.esid_to_vsid(vcpu, eaddr >> SID_SHIFT, &vsid);
+
+		if ((vcpu->arch.msr & (MSR_DR|MSR_IR)) == MSR_DR)
+			pte.vpage |= ((u64)VSID_REAL_DR << (SID_SHIFT - 12));
+		else
+			pte.vpage |= ((u64)VSID_REAL_IR << (SID_SHIFT - 12));
+		pte.vpage |= vsid;
+
+		if (vsid == -1)
+			page_found = -EINVAL;
 		break;
 	}
 
diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c
index 33186b745c9..0b10503c8a4 100644
--- a/arch/powerpc/kvm/book3s_32_mmu.c
+++ b/arch/powerpc/kvm/book3s_32_mmu.c
@@ -330,30 +330,35 @@ static void kvmppc_mmu_book3s_32_tlbie(struct kvm_vcpu *vcpu, ulong ea, bool lar
 static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, ulong esid,
 					     u64 *vsid)
 {
+	ulong ea = esid << SID_SHIFT;
+	struct kvmppc_sr *sr;
+	u64 gvsid = esid;
+
+	if (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
+		sr = find_sr(to_book3s(vcpu), ea);
+		if (sr->valid)
+			gvsid = sr->vsid;
+	}
+
 	/* In case we only have one of MSR_IR or MSR_DR set, let's put
 	   that in the real-mode context (and hope RM doesn't access
 	   high memory) */
 	switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
 	case 0:
-		*vsid = (VSID_REAL >> 16) | esid;
+		*vsid = VSID_REAL | esid;
 		break;
 	case MSR_IR:
-		*vsid = (VSID_REAL_IR >> 16) | esid;
+		*vsid = VSID_REAL_IR | gvsid;
 		break;
 	case MSR_DR:
-		*vsid = (VSID_REAL_DR >> 16) | esid;
+		*vsid = VSID_REAL_DR | gvsid;
 		break;
 	case MSR_DR|MSR_IR:
-	{
-		ulong ea = esid << SID_SHIFT;
-		struct kvmppc_sr *sr = find_sr(to_book3s(vcpu), ea);
-
 		if (!sr->valid)
 			return -1;
 
 		*vsid = sr->vsid;
 		break;
-	}
 	default:
 		BUG();
 	}
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index a9241e90a68..612de6e4d74 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -442,29 +442,32 @@ static void kvmppc_mmu_book3s_64_tlbie(struct kvm_vcpu *vcpu, ulong va,
 static int kvmppc_mmu_book3s_64_esid_to_vsid(struct kvm_vcpu *vcpu, ulong esid,
 					     u64 *vsid)
 {
-	switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
-	case 0:
-		*vsid = (VSID_REAL >> 16) | esid;
-		break;
-	case MSR_IR:
-		*vsid = (VSID_REAL_IR >> 16) | esid;
-		break;
-	case MSR_DR:
-		*vsid = (VSID_REAL_DR >> 16) | esid;
-		break;
-	case MSR_DR|MSR_IR:
-	{
-		ulong ea;
-		struct kvmppc_slb *slb;
-		ea = esid << SID_SHIFT;
+	ulong ea = esid << SID_SHIFT;
+	struct kvmppc_slb *slb;
+	u64 gvsid = esid;
+
+	if (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
 		slb = kvmppc_mmu_book3s_64_find_slbe(to_book3s(vcpu), ea);
 		if (slb)
-			*vsid = slb->vsid;
-		else
+			gvsid = slb->vsid;
+	}
+
+	switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) {
+	case 0:
+		*vsid = VSID_REAL | esid;
+		break;
+	case MSR_IR:
+		*vsid = VSID_REAL_IR | gvsid;
+		break;
+	case MSR_DR:
+		*vsid = VSID_REAL_DR | gvsid;
+		break;
+	case MSR_DR|MSR_IR:
+		if (!slb)
 			return -ENOENT;
 
+		*vsid = gvsid;
 		break;
-	}
 	default:
 		BUG();
 		break;

From 6fc558258077d4e44b1780c0fd4ef93dd96c6fca Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:49 +0200
Subject: [PATCH 1719/3638] KVM: PPC: Make Alignment interrupts work again

In the process of merging Book3S_32 and 64 I somehow ended up having the
alignment interrupt handler take last_inst, but the fetching code not
fetching it. So we ended up with stale last_inst values.

Let's just enable last_inst fetching for alignment interrupts too.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_segment.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_segment.S b/arch/powerpc/kvm/book3s_segment.S
index 4c0d1d85d20..7c52ed0b705 100644
--- a/arch/powerpc/kvm/book3s_segment.S
+++ b/arch/powerpc/kvm/book3s_segment.S
@@ -196,6 +196,8 @@ kvmppc_handler_trampoline_exit:
 	beq	ld_last_inst
 	cmpwi	r12, BOOK3S_INTERRUPT_PROGRAM
 	beq	ld_last_inst
+	cmpwi	r12, BOOK3S_INTERRUPT_ALIGNMENT
+	beq-	ld_last_inst
 
 	b	no_ld_last_inst
 

From ac21467182e562a71d8b4e098ea054e42700c0ff Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:50 +0200
Subject: [PATCH 1720/3638] KVM: PPC: Be more informative on BUG

We have a condition in the ppc64 host mmu code that should never occur.
Unfortunately, it just did happen to me and I was rather puzzled on why,
because BUG_ON doesn't tell me anything useful.

So let's add some more debug output in case this goes wrong. Also change
BUG to WARN, since I don't want to reboot every time I mess something up.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_mmu_host.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index 41af12fb126..5545c45ea57 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -231,10 +231,16 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte)
 	vcpu->arch.mmu.esid_to_vsid(vcpu, orig_pte->eaddr >> SID_SHIFT, &vsid);
 	map = find_sid_vsid(vcpu, vsid);
 	if (!map) {
-		kvmppc_mmu_map_segment(vcpu, orig_pte->eaddr);
+		ret = kvmppc_mmu_map_segment(vcpu, orig_pte->eaddr);
+		WARN_ON(ret < 0);
 		map = find_sid_vsid(vcpu, vsid);
 	}
-	BUG_ON(!map);
+	if (!map) {
+		printk(KERN_ERR "KVM: Segment map for 0x%llx (0x%lx) failed\n",
+				vsid, orig_pte->eaddr);
+		WARN_ON(true);
+		return -EINVAL;
+	}
 
 	vsid = map->host_vsid;
 	va = hpt_va(orig_pte->eaddr, vsid, MMU_SEGSIZE_256M);

From 6355644190f67326f5a16d0269c3e612fcfd6889 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:51 +0200
Subject: [PATCH 1721/3638] KVM: PPC: Set VSID_PR also for Book3S_64

Book3S_64 didn't set VSID_PR when we're in PR=1. This lead to pretty bad
behavior when searching for the shadow segment, as part of the code relied
on VSID_PR being set.

This patch fixes booting Book3S_64 guests.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_mmu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index 612de6e4d74..4025ea26b3c 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -473,6 +473,9 @@ static int kvmppc_mmu_book3s_64_esid_to_vsid(struct kvm_vcpu *vcpu, ulong esid,
 		break;
 	}
 
+	if (vcpu->arch.msr & MSR_PR)
+		*vsid |= VSID_PR;
+
 	return 0;
 }
 

From 5156f274bb1ee1cfc22240445ef94f7dcfc9929d Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:52 +0200
Subject: [PATCH 1722/3638] KVM: PPC: Fix Book3S_64 Host MMU debug output

We have some debug output in Book3S_64. Some of that was invalid though,
partially not even compiling because it accessed incorrect variables.

So let's fix that up, making debugging more fun again.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s_64_mmu_host.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index 5545c45ea57..e4b5744977f 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -48,8 +48,8 @@
 
 static void invalidate_pte(struct hpte_cache *pte)
 {
-	dprintk_mmu("KVM: Flushing SPT %d: 0x%llx (0x%llx) -> 0x%llx\n",
-		    i, pte->pte.eaddr, pte->pte.vpage, pte->host_va);
+	dprintk_mmu("KVM: Flushing SPT: 0x%lx (0x%llx) -> 0x%llx\n",
+		    pte->pte.eaddr, pte->pte.vpage, pte->host_va);
 
 	ppc_md.hpte_invalidate(pte->slot, pte->host_va,
 			       MMU_PAGE_4K, MMU_SEGSIZE_256M,
@@ -66,7 +66,7 @@ void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong guest_ea, ulong ea_mask)
 {
 	int i;
 
-	dprintk_mmu("KVM: Flushing %d Shadow PTEs: 0x%llx & 0x%llx\n",
+	dprintk_mmu("KVM: Flushing %d Shadow PTEs: 0x%lx & 0x%lx\n",
 		    vcpu->arch.hpte_cache_offset, guest_ea, ea_mask);
 	BUG_ON(vcpu->arch.hpte_cache_offset > HPTEG_CACHE_NUM);
 
@@ -114,8 +114,8 @@ void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end)
 {
 	int i;
 
-	dprintk_mmu("KVM: Flushing %d Shadow pPTEs: 0x%llx & 0x%llx\n",
-		    vcpu->arch.hpte_cache_offset, guest_pa, pa_mask);
+	dprintk_mmu("KVM: Flushing %d Shadow pPTEs: 0x%lx & 0x%lx\n",
+		    vcpu->arch.hpte_cache_offset, pa_start, pa_end);
 	BUG_ON(vcpu->arch.hpte_cache_offset > HPTEG_CACHE_NUM);
 
 	for (i = 0; i < vcpu->arch.hpte_cache_offset; i++) {
@@ -186,7 +186,7 @@ static struct kvmppc_sid_map *find_sid_vsid(struct kvm_vcpu *vcpu, u64 gvsid)
 	sid_map_mask = kvmppc_sid_hash(vcpu, gvsid);
 	map = &to_book3s(vcpu)->sid_map[sid_map_mask];
 	if (map->guest_vsid == gvsid) {
-		dprintk_slb("SLB: Searching 0x%llx -> 0x%llx\n",
+		dprintk_slb("SLB: Searching: 0x%llx -> 0x%llx\n",
 			    gvsid, map->host_vsid);
 		return map;
 	}
@@ -198,7 +198,8 @@ static struct kvmppc_sid_map *find_sid_vsid(struct kvm_vcpu *vcpu, u64 gvsid)
 		return map;
 	}
 
-	dprintk_slb("SLB: Searching 0x%llx -> not found\n", gvsid);
+	dprintk_slb("SLB: Searching %d/%d: 0x%llx -> not found\n",
+		    sid_map_mask, SID_MAP_MASK - sid_map_mask, gvsid);
 	return NULL;
 }
 
@@ -275,7 +276,7 @@ map_again:
 		int hpte_id = kvmppc_mmu_hpte_cache_next(vcpu);
 		struct hpte_cache *pte = &vcpu->arch.hpte_cache[hpte_id];
 
-		dprintk_mmu("KVM: %c%c Map 0x%llx: [%lx] 0x%lx (0x%llx) -> %lx\n",
+		dprintk_mmu("KVM: %c%c Map 0x%lx: [%lx] 0x%lx (0x%llx) -> %lx\n",
 			    ((rflags & HPTE_R_PP) == 3) ? '-' : 'w',
 			    (rflags & HPTE_R_N) ? '-' : 'x',
 			    orig_pte->eaddr, hpteg, va, orig_pte->vpage, hpaddr);
@@ -331,6 +332,9 @@ static struct kvmppc_sid_map *create_sid_map(struct kvm_vcpu *vcpu, u64 gvsid)
 	map->guest_vsid = gvsid;
 	map->valid = true;
 
+	dprintk_slb("SLB: New mapping at %d: 0x%llx -> 0x%llx\n",
+		    sid_map_mask, gvsid, map->host_vsid);
+
 	return map;
 }
 

From 251585b5d02152973dbc24c803ca322bb977d4a2 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:53 +0200
Subject: [PATCH 1723/3638] KVM: PPC: Find HTAB ourselves

For KVM we need to find the location of the HTAB. We can either rely
on internal data structures of the kernel or ask the hardware.

Ben issued complaints about the internal data structure method, so
let's switch it to our own inquiry of the HTAB. Now we're fully
independend :-).

CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kernel/ppc_ksyms.c       |  5 -----
 arch/powerpc/kvm/book3s_32_mmu_host.c | 21 +++++++++++++--------
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 2b7c43f95bb..bc9f39d2598 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -178,11 +178,6 @@ EXPORT_SYMBOL(switch_mmu_context);
 extern long mol_trampoline;
 EXPORT_SYMBOL(mol_trampoline); /* For MOL */
 EXPORT_SYMBOL(flush_hash_pages); /* For MOL */
-
-extern struct hash_pte *Hash;
-extern unsigned long _SDR1;
-EXPORT_SYMBOL_GPL(Hash); /* For KVM */
-EXPORT_SYMBOL_GPL(_SDR1); /* For KVM */
 #ifdef CONFIG_SMP
 extern int mmu_hash_lock;
 EXPORT_SYMBOL(mmu_hash_lock); /* For MOL */
diff --git a/arch/powerpc/kvm/book3s_32_mmu_host.c b/arch/powerpc/kvm/book3s_32_mmu_host.c
index 2bb67e633de..0bb66005338 100644
--- a/arch/powerpc/kvm/book3s_32_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_32_mmu_host.c
@@ -54,6 +54,9 @@
 #error Only 32 bit pages are supported for now
 #endif
 
+static ulong htab;
+static u32 htabmask;
+
 static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
 {
 	volatile u32 *pteg;
@@ -217,14 +220,11 @@ static struct kvmppc_sid_map *find_sid_vsid(struct kvm_vcpu *vcpu, u64 gvsid)
 	return NULL;
 }
 
-extern struct hash_pte *Hash;
-extern unsigned long _SDR1;
-
 static u32 *kvmppc_mmu_get_pteg(struct kvm_vcpu *vcpu, u32 vsid, u32 eaddr,
 				bool primary)
 {
-	u32 page, hash, htabmask;
-	ulong pteg = (ulong)Hash;
+	u32 page, hash;
+	ulong pteg = htab;
 
 	page = (eaddr & ~ESID_MASK) >> 12;
 
@@ -232,13 +232,12 @@ static u32 *kvmppc_mmu_get_pteg(struct kvm_vcpu *vcpu, u32 vsid, u32 eaddr,
 	if (!primary)
 		hash = ~hash;
 
-	htabmask = ((_SDR1 & 0x1FF) << 16) | 0xFFC0;
 	hash &= htabmask;
 
 	pteg |= hash;
 
-	dprintk_mmu("htab: %p | hash: %x | htabmask: %x | pteg: %lx\n",
-		Hash, hash, htabmask, pteg);
+	dprintk_mmu("htab: %lx | hash: %x | htabmask: %x | pteg: %lx\n",
+		htab, hash, htabmask, pteg);
 
 	return (u32*)pteg;
 }
@@ -453,6 +452,7 @@ int kvmppc_mmu_init(struct kvm_vcpu *vcpu)
 {
 	struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
 	int err;
+	ulong sdr1;
 
 	err = __init_new_context();
 	if (err < 0)
@@ -474,5 +474,10 @@ int kvmppc_mmu_init(struct kvm_vcpu *vcpu)
 
 	vcpu3s->vsid_next = vcpu3s->vsid_first;
 
+	/* Remember where the HTAB is */
+	asm ( "mfsdr1 %0" : "=r"(sdr1) );
+	htabmask = ((sdr1 & 0x1FF) << 16) | 0xFFC0;
+	htab = (ulong)__va(sdr1 & 0xffff0000);
+
 	return 0;
 }

From b83d4a9cfc81503a082331cc5d1e480d99f3a531 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 20 Apr 2010 02:49:54 +0200
Subject: [PATCH 1724/3638] KVM: PPC: Enable native paired singles

When we're on a paired single capable host, we can just always enable
paired singles and expose them to the guest directly.

This approach breaks when multiple VMs run and access PS concurrently,
but this should suffice until we get a proper framework for it in Linux.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm_asm.h |  1 +
 arch/powerpc/kvm/book3s.c          | 19 +++++++++++++++++++
 arch/powerpc/kvm/book3s_emulate.c  |  5 ++++-
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h
index 7238c048e5b..c5ea4cda34b 100644
--- a/arch/powerpc/include/asm/kvm_asm.h
+++ b/arch/powerpc/include/asm/kvm_asm.h
@@ -89,6 +89,7 @@
 #define BOOK3S_HFLAG_DCBZ32			0x1
 #define BOOK3S_HFLAG_SLB			0x2
 #define BOOK3S_HFLAG_PAIRED_SINGLE		0x4
+#define BOOK3S_HFLAG_NATIVE_PS			0x8
 
 #define RESUME_FLAG_NV          (1<<0)  /* Reload guest nonvolatile state? */
 #define RESUME_FLAG_HOST        (1<<1)  /* Resume host? */
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 397701d39ae..9f97dbe25e4 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -345,6 +345,8 @@ void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu)
 
 void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 {
+	u32 host_pvr;
+
 	vcpu->arch.hflags &= ~BOOK3S_HFLAG_SLB;
 	vcpu->arch.pvr = pvr;
 #ifdef CONFIG_PPC_BOOK3S_64
@@ -376,6 +378,23 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 	/* 32 bit Book3S always has 32 byte dcbz */
 	vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32;
 #endif
+
+	/* On some CPUs we can execute paired single operations natively */
+	asm ( "mfpvr %0" : "=r"(host_pvr));
+	switch (host_pvr) {
+	case 0x00080200:	/* lonestar 2.0 */
+	case 0x00088202:	/* lonestar 2.2 */
+	case 0x70000100:	/* gekko 1.0 */
+	case 0x00080100:	/* gekko 2.0 */
+	case 0x00083203:	/* gekko 2.3a */
+	case 0x00083213:	/* gekko 2.3b */
+	case 0x00083204:	/* gekko 2.4 */
+	case 0x00083214:	/* gekko 2.4e (8SE) - retail HW2 */
+	case 0x00087200:	/* broadway */
+		vcpu->arch.hflags |= BOOK3S_HFLAG_NATIVE_PS;
+		/* Enable HID2.PSE - in case we need it later */
+		mtspr(SPRN_HID2_GEKKO, mfspr(SPRN_HID2_GEKKO) | (1 << 29));
+	}
 }
 
 /* Book3s_32 CPUs always have 32 bytes cache line size, which Linux assumes. To
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 3f7afb5f348..c85f906038c 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -365,7 +365,10 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 		case 0x00083213:	/* gekko 2.3b */
 		case 0x00083204:	/* gekko 2.4 */
 		case 0x00083214:	/* gekko 2.4e (8SE) - retail HW2 */
-			if (spr_val & (1 << 29)) { /* HID2.PSE */
+		case 0x00087200:	/* broadway */
+			if (vcpu->arch.hflags & BOOK3S_HFLAG_NATIVE_PS) {
+				/* Native paired singles */
+			} else if (spr_val & (1 << 29)) { /* HID2.PSE */
 				vcpu->arch.hflags |= BOOK3S_HFLAG_PAIRED_SINGLE;
 				kvmppc_giveup_ext(vcpu, MSR_FP);
 			} else {

From cdbecfc398a904ce9f5c126638b09a2429fb86ed Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Sat, 17 Apr 2010 16:41:47 +0800
Subject: [PATCH 1725/3638] KVM: VMX: free vpid when fail to create vcpu

Fix bug of the exception path, free allocated vpid when fail
to create vcpu.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/vmx.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d0a10b5612e..54c0035a63f 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2333,6 +2333,16 @@ static void allocate_vpid(struct vcpu_vmx *vmx)
 	spin_unlock(&vmx_vpid_lock);
 }
 
+static void free_vpid(struct vcpu_vmx *vmx)
+{
+	if (!enable_vpid)
+		return;
+	spin_lock(&vmx_vpid_lock);
+	if (vmx->vpid != 0)
+		__clear_bit(vmx->vpid, vmx_vpid_bitmap);
+	spin_unlock(&vmx_vpid_lock);
+}
+
 static void __vmx_disable_intercept_for_msr(unsigned long *msr_bitmap, u32 msr)
 {
 	int f = sizeof(unsigned long);
@@ -3916,10 +3926,7 @@ static void vmx_free_vcpu(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 
-	spin_lock(&vmx_vpid_lock);
-	if (vmx->vpid != 0)
-		__clear_bit(vmx->vpid, vmx_vpid_bitmap);
-	spin_unlock(&vmx_vpid_lock);
+	free_vpid(vmx);
 	vmx_free_vmcs(vcpu);
 	kfree(vmx->guest_msrs);
 	kvm_vcpu_uninit(vcpu);
@@ -3981,6 +3988,7 @@ free_msrs:
 uninit_vcpu:
 	kvm_vcpu_uninit(&vmx->vcpu);
 free_vcpu:
+	free_vpid(vmx);
 	kmem_cache_free(kvm_vcpu_cache, vmx);
 	return ERR_PTR(err);
 }

From 039091875ce4629d83db64c055528e7b86337d50 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 21 Apr 2010 16:08:20 +0300
Subject: [PATCH 1726/3638] KVM: Document mmu

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 Documentation/kvm/mmu.txt | 302 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 302 insertions(+)
 create mode 100644 Documentation/kvm/mmu.txt

diff --git a/Documentation/kvm/mmu.txt b/Documentation/kvm/mmu.txt
new file mode 100644
index 00000000000..da046711362
--- /dev/null
+++ b/Documentation/kvm/mmu.txt
@@ -0,0 +1,302 @@
+The x86 kvm shadow mmu
+======================
+
+The mmu (in arch/x86/kvm, files mmu.[ch] and paging_tmpl.h) is responsible
+for presenting a standard x86 mmu to the guest, while translating guest
+physical addresses to host physical addresses.
+
+The mmu code attempts to satisfy the following requirements:
+
+- correctness: the guest should not be able to determine that it is running
+               on an emulated mmu except for timing (we attempt to comply
+               with the specification, not emulate the characteristics of
+               a particular implementation such as tlb size)
+- security:    the guest must not be able to touch host memory not assigned
+               to it
+- performance: minimize the performance penalty imposed by the mmu
+- scaling:     need to scale to large memory and large vcpu guests
+- hardware:    support the full range of x86 virtualization hardware
+- integration: Linux memory management code must be in control of guest memory
+               so that swapping, page migration, page merging, transparent
+               hugepages, and similar features work without change
+- dirty tracking: report writes to guest memory to enable live migration
+               and framebuffer-based displays
+- footprint:   keep the amount of pinned kernel memory low (most memory
+               should be shrinkable)
+- reliablity:  avoid multipage or GFP_ATOMIC allocations
+
+Acronyms
+========
+
+pfn   host page frame number
+hpa   host physical address
+hva   host virtual address
+gfn   guest frame number
+gpa   guest physical address
+gva   guest virtual address
+ngpa  nested guest physical address
+ngva  nested guest virtual address
+pte   page table entry (used also to refer generically to paging structure
+      entries)
+gpte  guest pte (referring to gfns)
+spte  shadow pte (referring to pfns)
+tdp   two dimensional paging (vendor neutral term for NPT and EPT)
+
+Virtual and real hardware supported
+===================================
+
+The mmu supports first-generation mmu hardware, which allows an atomic switch
+of the current paging mode and cr3 during guest entry, as well as
+two-dimensional paging (AMD's NPT and Intel's EPT).  The emulated hardware
+it exposes is the traditional 2/3/4 level x86 mmu, with support for global
+pages, pae, pse, pse36, cr0.wp, and 1GB pages.  Work is in progress to support
+exposing NPT capable hardware on NPT capable hosts.
+
+Translation
+===========
+
+The primary job of the mmu is to program the processor's mmu to translate
+addresses for the guest.  Different translations are required at different
+times:
+
+- when guest paging is disabled, we translate guest physical addresses to
+  host physical addresses (gpa->hpa)
+- when guest paging is enabled, we translate guest virtual addresses, to
+  guest physical addresses, to host physical addresses (gva->gpa->hpa)
+- when the guest launches a guest of its own, we translate nested guest
+  virtual addresses, to nested guest physical addresses, to guest physical
+  addresses, to host physical addresses (ngva->ngpa->gpa->hpa)
+
+The primary challenge is to encode between 1 and 3 translations into hardware
+that support only 1 (traditional) and 2 (tdp) translations.  When the
+number of required translations matches the hardware, the mmu operates in
+direct mode; otherwise it operates in shadow mode (see below).
+
+Memory
+======
+
+Guest memory (gpa) is part of user address space of the process that is using
+kvm.  Userspace defines the translation between guest addresses and user
+addresses (gpa->hva); note that two gpas may alias to the same gva, but not
+vice versa.
+
+These gvas may be backed using any method available to the host: anonymous
+memory, file backed memory, and device memory.  Memory might be paged by the
+host at any time.
+
+Events
+======
+
+The mmu is driven by events, some from the guest, some from the host.
+
+Guest generated events:
+- writes to control registers (especially cr3)
+- invlpg/invlpga instruction execution
+- access to missing or protected translations
+
+Host generated events:
+- changes in the gpa->hpa translation (either through gpa->hva changes or
+  through hva->hpa changes)
+- memory pressure (the shrinker)
+
+Shadow pages
+============
+
+The principal data structure is the shadow page, 'struct kvm_mmu_page'.  A
+shadow page contains 512 sptes, which can be either leaf or nonleaf sptes.  A
+shadow page may contain a mix of leaf and nonleaf sptes.
+
+A nonleaf spte allows the hardware mmu to reach the leaf pages and
+is not related to a translation directly.  It points to other shadow pages.
+
+A leaf spte corresponds to either one or two translations encoded into
+one paging structure entry.  These are always the lowest level of the
+translation stack, with an optional higher level translations left to NPT/EPT.
+Leaf ptes point at guest pages.
+
+The following table shows translations encoded by leaf ptes, with higher-level
+translations in parentheses:
+
+ Non-nested guests:
+  nonpaging:     gpa->hpa
+  paging:        gva->gpa->hpa
+  paging, tdp:   (gva->)gpa->hpa
+ Nested guests:
+  non-tdp:       ngva->gpa->hpa  (*)
+  tdp:           (ngva->)ngpa->gpa->hpa
+
+(*) the guest hypervisor will encode the ngva->gpa translation into its page
+    tables if npt is not present
+
+Shadow pages contain the following information:
+  role.level:
+    The level in the shadow paging hierarchy that this shadow page belongs to.
+    1=4k sptes, 2=2M sptes, 3=1G sptes, etc.
+  role.direct:
+    If set, leaf sptes reachable from this page are for a linear range.
+    Examples include real mode translation, large guest pages backed by small
+    host pages, and gpa->hpa translations when NPT or EPT is active.
+    The linear range starts at (gfn << PAGE_SHIFT) and its size is determined
+    by role.level (2MB for first level, 1GB for second level, 0.5TB for third
+    level, 256TB for fourth level)
+    If clear, this page corresponds to a guest page table denoted by the gfn
+    field.
+  role.quadrant:
+    When role.cr4_pae=0, the guest uses 32-bit gptes while the host uses 64-bit
+    sptes.  That means a guest page table contains more ptes than the host,
+    so multiple shadow pages are needed to shadow one guest page.
+    For first-level shadow pages, role.quadrant can be 0 or 1 and denotes the
+    first or second 512-gpte block in the guest page table.  For second-level
+    page tables, each 32-bit gpte is converted to two 64-bit sptes
+    (since each first-level guest page is shadowed by two first-level
+    shadow pages) so role.quadrant takes values in the range 0..3.  Each
+    quadrant maps 1GB virtual address space.
+  role.access:
+    Inherited guest access permissions in the form uwx.  Note execute
+    permission is positive, not negative.
+  role.invalid:
+    The page is invalid and should not be used.  It is a root page that is
+    currently pinned (by a cpu hardware register pointing to it); once it is
+    unpinned it will be destroyed.
+  role.cr4_pae:
+    Contains the value of cr4.pae for which the page is valid (e.g. whether
+    32-bit or 64-bit gptes are in use).
+  role.cr4_nxe:
+    Contains the value of efer.nxe for which the page is valid.
+  gfn:
+    Either the guest page table containing the translations shadowed by this
+    page, or the base page frame for linear translations.  See role.direct.
+  spt:
+    A pageful of 64-bit sptes containig the translations for this page.
+    Accessed by both kvm and hardware.
+    The page pointed to by spt will have its page->private pointing back
+    at the shadow page structure.
+    sptes in spt point either at guest pages, or at lower-level shadow pages.
+    Specifically, if sp1 and sp2 are shadow pages, then sp1->spt[n] may point
+    at __pa(sp2->spt).  sp2 will point back at sp1 through parent_pte.
+    The spt array forms a DAG structure with the shadow page as a node, and
+    guest pages as leaves.
+  gfns:
+    An array of 512 guest frame numbers, one for each present pte.  Used to
+    perform a reverse map from a pte to a gfn.
+  slot_bitmap:
+    A bitmap containing one bit per memory slot.  If the page contains a pte
+    mapping a page from memory slot n, then bit n of slot_bitmap will be set
+    (if a page is aliased among several slots, then it is not guaranteed that
+    all slots will be marked).
+    Used during dirty logging to avoid scanning a shadow page if none if its
+    pages need tracking.
+  root_count:
+    A counter keeping track of how many hardware registers (guest cr3 or
+    pdptrs) are now pointing at the page.  While this counter is nonzero, the
+    page cannot be destroyed.  See role.invalid.
+  multimapped:
+    Whether there exist multiple sptes pointing at this page.
+  parent_pte/parent_ptes:
+    If multimapped is zero, parent_pte points at the single spte that points at
+    this page's spt.  Otherwise, parent_ptes points at a data structure
+    with a list of parent_ptes.
+  unsync:
+    If true, then the translations in this page may not match the guest's
+    translation.  This is equivalent to the state of the tlb when a pte is
+    changed but before the tlb entry is flushed.  Accordingly, unsync ptes
+    are synchronized when the guest executes invlpg or flushes its tlb by
+    other means.  Valid for leaf pages.
+  unsync_children:
+    How many sptes in the page point at pages that are unsync (or have
+    unsynchronized children).
+  unsync_child_bitmap:
+    A bitmap indicating which sptes in spt point (directly or indirectly) at
+    pages that may be unsynchronized.  Used to quickly locate all unsychronized
+    pages reachable from a given page.
+
+Reverse map
+===========
+
+The mmu maintains a reverse mapping whereby all ptes mapping a page can be
+reached given its gfn.  This is used, for example, when swapping out a page.
+
+Synchronized and unsynchronized pages
+=====================================
+
+The guest uses two events to synchronize its tlb and page tables: tlb flushes
+and page invalidations (invlpg).
+
+A tlb flush means that we need to synchronize all sptes reachable from the
+guest's cr3.  This is expensive, so we keep all guest page tables write
+protected, and synchronize sptes to gptes when a gpte is written.
+
+A special case is when a guest page table is reachable from the current
+guest cr3.  In this case, the guest is obliged to issue an invlpg instruction
+before using the translation.  We take advantage of that by removing write
+protection from the guest page, and allowing the guest to modify it freely.
+We synchronize modified gptes when the guest invokes invlpg.  This reduces
+the amount of emulation we have to do when the guest modifies multiple gptes,
+or when the a guest page is no longer used as a page table and is used for
+random guest data.
+
+As a side effect we have resynchronize all reachable unsynchronized shadow
+pages on a tlb flush.
+
+
+Reaction to events
+==================
+
+- guest page fault (or npt page fault, or ept violation)
+
+This is the most complicated event.  The cause of a page fault can be:
+
+  - a true guest fault (the guest translation won't allow the access) (*)
+  - access to a missing translation
+  - access to a protected translation
+    - when logging dirty pages, memory is write protected
+    - synchronized shadow pages are write protected (*)
+  - access to untranslatable memory (mmio)
+
+  (*) not applicable in direct mode
+
+Handling a page fault is performed as follows:
+
+ - if needed, walk the guest page tables to determine the guest translation
+   (gva->gpa or ngpa->gpa)
+   - if permissions are insufficient, reflect the fault back to the guest
+ - determine the host page
+   - if this is an mmio request, there is no host page; call the emulator
+     to emulate the instruction instead
+ - walk the shadow page table to find the spte for the translation,
+   instantiating missing intermediate page tables as necessary
+ - try to unsynchronize the page
+   - if successful, we can let the guest continue and modify the gpte
+ - emulate the instruction
+   - if failed, unshadow the page and let the guest continue
+ - update any translations that were modified by the instruction
+
+invlpg handling:
+
+  - walk the shadow page hierarchy and drop affected translations
+  - try to reinstantiate the indicated translation in the hope that the
+    guest will use it in the near future
+
+Guest control register updates:
+
+- mov to cr3
+  - look up new shadow roots
+  - synchronize newly reachable shadow pages
+
+- mov to cr0/cr4/efer
+  - set up mmu context for new paging mode
+  - look up new shadow roots
+  - synchronize newly reachable shadow pages
+
+Host translation updates:
+
+  - mmu notifier called with updated hva
+  - look up affected sptes through reverse map
+  - drop (or update) translations
+
+Further reading
+===============
+
+- NPT presentation from KVM Forum 2008
+  http://www.linux-kvm.org/wiki/images/c/c8/KvmForum2008%24kdf2008_21.pdf
+

From d14769377a247d4e7b570592a090474c8a059938 Mon Sep 17 00:00:00 2001
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Fri, 23 Apr 2010 17:48:35 +0900
Subject: [PATCH 1727/3638] KVM: Remove test-before-set optimization for dirty
 bits

As Avi pointed out, testing bit part in mark_page_dirty() was important
in the days of shadow paging, but currently EPT and NPT has already become
common and the chance of faulting a page more that once per iteration is
small. So let's remove the test bit to avoid extra access.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 virt/kvm/kvm_main.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 6dc940455e8..9ab1a77941e 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1192,9 +1192,7 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn)
 	if (memslot && memslot->dirty_bitmap) {
 		unsigned long rel_gfn = gfn - memslot->base_gfn;
 
-		/* avoid RMW */
-		if (!generic_test_le_bit(rel_gfn, memslot->dirty_bitmap))
-			generic___set_le_bit(rel_gfn, memslot->dirty_bitmap);
+		generic___set_le_bit(rel_gfn, memslot->dirty_bitmap);
 	}
 }
 

From 924584ccb08c338ebd2f40936ff2321c1cce6a6d Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 12:33:07 +0200
Subject: [PATCH 1728/3638] KVM: SVM: Fix nested nmi handling

The patch introducing nested nmi handling had a bug. The
check does not belong to enable_nmi_window but must be in
nmi_allowed. This patch fixes this.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ab78eb8ba89..ec205847be6 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2771,8 +2771,12 @@ static int svm_nmi_allowed(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 	struct vmcb *vmcb = svm->vmcb;
-	return !(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) &&
-		!(svm->vcpu.arch.hflags & HF_NMI_MASK);
+	int ret;
+	ret = !(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) &&
+	      !(svm->vcpu.arch.hflags & HF_NMI_MASK);
+	ret = ret && gif_set(svm) && nested_svm_nmi(svm);
+
+	return ret;
 }
 
 static bool svm_get_nmi_mask(struct kvm_vcpu *vcpu)
@@ -2841,11 +2845,9 @@ static void enable_nmi_window(struct kvm_vcpu *vcpu)
 	 * Something prevents NMI from been injected. Single step over possible
 	 * problem (IRET or exception injection or interrupt shadow)
 	 */
-	if (gif_set(svm) && nested_svm_nmi(svm)) {
-		svm->nmi_singlestep = true;
-		svm->vmcb->save.rflags |= (X86_EFLAGS_TF | X86_EFLAGS_RF);
-		update_db_intercept(vcpu);
-	}
+	svm->nmi_singlestep = true;
+	svm->vmcb->save.rflags |= (X86_EFLAGS_TF | X86_EFLAGS_RF);
+	update_db_intercept(vcpu);
 }
 
 static int svm_set_tss_addr(struct kvm *kvm, unsigned int addr)

From 2041a06a50a2ef4062c8454482aa06e25f6cccde Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 12:33:08 +0200
Subject: [PATCH 1729/3638] KVM: SVM: Make sure rip is synced to vmcb before
 nested vmexit

This patch fixes a bug where a nested guest always went over
the same instruction because the rip was not advanced on a
nested vmexit.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ec205847be6..c480d7f64a6 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2960,6 +2960,10 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
 	u16 gs_selector;
 	u16 ldt_selector;
 
+	svm->vmcb->save.rax = vcpu->arch.regs[VCPU_REGS_RAX];
+	svm->vmcb->save.rsp = vcpu->arch.regs[VCPU_REGS_RSP];
+	svm->vmcb->save.rip = vcpu->arch.regs[VCPU_REGS_RIP];
+
 	/*
 	 * A vmexit emulation is required before the vcpu can be executed
 	 * again.
@@ -2967,10 +2971,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
 	if (unlikely(svm->nested.exit_required))
 		return;
 
-	svm->vmcb->save.rax = vcpu->arch.regs[VCPU_REGS_RAX];
-	svm->vmcb->save.rsp = vcpu->arch.regs[VCPU_REGS_RSP];
-	svm->vmcb->save.rip = vcpu->arch.regs[VCPU_REGS_RIP];
-
 	pre_svm_run(svm);
 
 	sync_lapic_to_cr8(vcpu);

From 2be4fc7a02c368dcfda83a386a5101c211b9535e Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 12:33:09 +0200
Subject: [PATCH 1730/3638] KVM: SVM: Sync cr0 and cr3 to kvm state before
 nested handling

This patch syncs cr0 and cr3 from the vmcb to the kvm state
before nested intercept handling is done. This allows to
simplify the vmexit path.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index c480d7f64a6..5ad9d802bd1 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1799,10 +1799,7 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 	nested_vmcb->save.gdtr   = vmcb->save.gdtr;
 	nested_vmcb->save.idtr   = vmcb->save.idtr;
 	nested_vmcb->save.cr0    = kvm_read_cr0(&svm->vcpu);
-	if (npt_enabled)
-		nested_vmcb->save.cr3    = vmcb->save.cr3;
-	else
-		nested_vmcb->save.cr3    = svm->vcpu.arch.cr3;
+	nested_vmcb->save.cr3    = svm->vcpu.arch.cr3;
 	nested_vmcb->save.cr2    = vmcb->save.cr2;
 	nested_vmcb->save.cr4    = svm->vcpu.arch.cr4;
 	nested_vmcb->save.rflags = vmcb->save.rflags;
@@ -2641,6 +2638,11 @@ static int handle_exit(struct kvm_vcpu *vcpu)
 
 	trace_kvm_exit(exit_code, vcpu);
 
+	if (!(svm->vmcb->control.intercept_cr_write & INTERCEPT_CR0_MASK))
+		vcpu->arch.cr0 = svm->vmcb->save.cr0;
+	if (npt_enabled)
+		vcpu->arch.cr3 = svm->vmcb->save.cr3;
+
 	if (unlikely(svm->nested.exit_required)) {
 		nested_svm_vmexit(svm);
 		svm->nested.exit_required = false;
@@ -2668,11 +2670,6 @@ static int handle_exit(struct kvm_vcpu *vcpu)
 
 	svm_complete_interrupts(svm);
 
-	if (!(svm->vmcb->control.intercept_cr_write & INTERCEPT_CR0_MASK))
-		vcpu->arch.cr0 = svm->vmcb->save.cr0;
-	if (npt_enabled)
-		vcpu->arch.cr3 = svm->vmcb->save.cr3;
-
 	if (svm->vmcb->control.exit_code == SVM_EXIT_ERR) {
 		kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
 		kvm_run->fail_entry.hardware_entry_failure_reason

From 228070b1b31abc16c331b57bf965101c6eb1d167 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 12:33:10 +0200
Subject: [PATCH 1731/3638] KVM: SVM: Propagate nested entry failure into guest
 hypervisor

This patch implements propagation of a failes guest vmrun
back into the guest instead of killing the whole guest.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 5ad9d802bd1..b10d1630c20 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1715,6 +1715,10 @@ static int nested_svm_intercept(struct vcpu_svm *svm)
 			vmexit = NESTED_EXIT_DONE;
 		break;
 	}
+	case SVM_EXIT_ERR: {
+		vmexit = NESTED_EXIT_DONE;
+		break;
+	}
 	default: {
 		u64 exit_bits = 1ULL << (exit_code - SVM_EXIT_INTR);
 		if (svm->nested.intercept & exit_bits)

From d4330ef2fb2236a1e3a176f0f68360f4c0a8661b Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 12:33:11 +0200
Subject: [PATCH 1732/3638] KVM: x86: Add callback to let modules decide over
 some supported cpuid bits

This patch adds the get_supported_cpuid callback to
kvm_x86_ops. It will be used in do_cpuid_ent to delegate the
decission about some supported cpuid bits to the
architecture modules.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 2 ++
 arch/x86/kvm/svm.c              | 6 ++++++
 arch/x86/kvm/vmx.c              | 6 ++++++
 arch/x86/kvm/x86.c              | 3 +++
 4 files changed, 17 insertions(+)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index d47d087568f..357573af974 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -528,6 +528,8 @@ struct kvm_x86_ops {
 	int (*get_lpage_level)(void);
 	bool (*rdtscp_supported)(void);
 
+	void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry);
+
 	const struct trace_print_flags *exit_reasons_str;
 };
 
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index b10d1630c20..0fa2035bd8e 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3152,6 +3152,10 @@ static void svm_cpuid_update(struct kvm_vcpu *vcpu)
 {
 }
 
+static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
+{
+}
+
 static const struct trace_print_flags svm_exit_reasons_str[] = {
 	{ SVM_EXIT_READ_CR0,			"read_cr0" },
 	{ SVM_EXIT_READ_CR3,			"read_cr3" },
@@ -3297,6 +3301,8 @@ static struct kvm_x86_ops svm_x86_ops = {
 	.cpuid_update = svm_cpuid_update,
 
 	.rdtscp_supported = svm_rdtscp_supported,
+
+	.set_supported_cpuid = svm_set_supported_cpuid,
 };
 
 static int __init svm_init(void)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 54c0035a63f..9f8532b1fa9 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4119,6 +4119,10 @@ static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
 	}
 }
 
+static void vmx_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
+{
+}
+
 static struct kvm_x86_ops vmx_x86_ops = {
 	.cpu_has_kvm_support = cpu_has_kvm_support,
 	.disabled_by_bios = vmx_disabled_by_bios,
@@ -4191,6 +4195,8 @@ static struct kvm_x86_ops vmx_x86_ops = {
 	.cpuid_update = vmx_cpuid_update,
 
 	.rdtscp_supported = vmx_rdtscp_supported,
+
+	.set_supported_cpuid = vmx_set_supported_cpuid,
 };
 
 static int __init vmx_init(void)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 848c814e8c3..6e6434332f2 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1960,6 +1960,9 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 		entry->ecx &= kvm_supported_word6_x86_features;
 		break;
 	}
+
+	kvm_x86_ops->set_supported_cpuid(function, entry);
+
 	put_cpu();
 }
 

From c2c63a493924e09a1984d1374a0e60dfd54fc0b0 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 12:33:12 +0200
Subject: [PATCH 1733/3638] KVM: SVM: Report emulated SVM features to userspace

This patch implements the reporting of the emulated SVM
features to userspace instead of the real hardware
capabilities. Every real hardware capability needs emulation
in nested svm so the old behavior was broken.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 0fa2035bd8e..65fc11438b7 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3154,6 +3154,16 @@ static void svm_cpuid_update(struct kvm_vcpu *vcpu)
 
 static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
 {
+	switch (func) {
+	case 0x8000000A:
+		entry->eax = 1; /* SVM revision 1 */
+		entry->ebx = 8; /* Lets support 8 ASIDs in case we add proper
+				   ASID emulation to nested SVM */
+		entry->ecx = 0; /* Reserved */
+		entry->edx = 0; /* Do not support any additional features */
+
+		break;
+	}
 }
 
 static const struct trace_print_flags svm_exit_reasons_str[] = {

From ce7ddec4bbbc08f0c2901cc103773aed864b09fd Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 12:33:13 +0200
Subject: [PATCH 1734/3638] KVM: x86: Allow marking an exception as reinjected

This patch adds logic to kvm/x86 which allows to mark an
injected exception as reinjected. This allows to remove an
ugly hack from svm_complete_interrupts that prevented
exceptions from being reinjected at all in the nested case.
The hack was necessary because an reinjected exception into
the nested guest could cause a nested vmexit emulation. But
reinjected exceptions must not intercept. The downside of
the hack is that a exception that in injected could get
lost.
This patch fixes the problem and puts the code for it into
generic x86 files because. Nested-VMX will likely have the
same problem and could reuse the code.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/kvm_host.h |  6 +++++-
 arch/x86/kvm/svm.c              | 12 ++++++------
 arch/x86/kvm/vmx.c              |  3 ++-
 arch/x86/kvm/x86.c              | 23 +++++++++++++++++++----
 4 files changed, 32 insertions(+), 12 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 357573af974..3f0007b076d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -312,6 +312,7 @@ struct kvm_vcpu_arch {
 	struct kvm_queued_exception {
 		bool pending;
 		bool has_error_code;
+		bool reinject;
 		u8 nr;
 		u32 error_code;
 	} exception;
@@ -514,7 +515,8 @@ struct kvm_x86_ops {
 	void (*set_irq)(struct kvm_vcpu *vcpu);
 	void (*set_nmi)(struct kvm_vcpu *vcpu);
 	void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr,
-				bool has_error_code, u32 error_code);
+				bool has_error_code, u32 error_code,
+				bool reinject);
 	int (*interrupt_allowed)(struct kvm_vcpu *vcpu);
 	int (*nmi_allowed)(struct kvm_vcpu *vcpu);
 	bool (*get_nmi_mask)(struct kvm_vcpu *vcpu);
@@ -617,6 +619,8 @@ void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
 
 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr);
 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
+void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr);
+void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
 void kvm_inject_page_fault(struct kvm_vcpu *vcpu, unsigned long cr2,
 			   u32 error_code);
 bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 65fc11438b7..30e49fe7f8c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -338,7 +338,8 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu)
 }
 
 static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
-				bool has_error_code, u32 error_code)
+				bool has_error_code, u32 error_code,
+				bool reinject)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
@@ -346,7 +347,8 @@ static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
 	 * If we are within a nested VM we'd better #VMEXIT and let the guest
 	 * handle the exception
 	 */
-	if (nested_svm_check_exception(svm, nr, has_error_code, error_code))
+	if (!reinject &&
+	    nested_svm_check_exception(svm, nr, has_error_code, error_code))
 		return;
 
 	if (nr == BP_VECTOR && !svm_has(SVM_FEATURE_NRIP)) {
@@ -2918,8 +2920,6 @@ static void svm_complete_interrupts(struct vcpu_svm *svm)
 		svm->vcpu.arch.nmi_injected = true;
 		break;
 	case SVM_EXITINTINFO_TYPE_EXEPT:
-		if (is_nested(svm))
-			break;
 		/*
 		 * In case of software exceptions, do not reinject the vector,
 		 * but re-execute the instruction instead. Rewind RIP first
@@ -2935,10 +2935,10 @@ static void svm_complete_interrupts(struct vcpu_svm *svm)
 		}
 		if (exitintinfo & SVM_EXITINTINFO_VALID_ERR) {
 			u32 err = svm->vmcb->control.exit_int_info_err;
-			kvm_queue_exception_e(&svm->vcpu, vector, err);
+			kvm_requeue_exception_e(&svm->vcpu, vector, err);
 
 		} else
-			kvm_queue_exception(&svm->vcpu, vector);
+			kvm_requeue_exception(&svm->vcpu, vector);
 		break;
 	case SVM_EXITINTINFO_TYPE_INTR:
 		kvm_queue_interrupt(&svm->vcpu, vector, false);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 9f8532b1fa9..875b785228f 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -919,7 +919,8 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu)
 }
 
 static void vmx_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
-				bool has_error_code, u32 error_code)
+				bool has_error_code, u32 error_code,
+				bool reinject)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 	u32 intr_info = nr | INTR_INFO_VALID_MASK;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6e6434332f2..6b2ce1d2d74 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -265,7 +265,8 @@ static int exception_class(int vector)
 }
 
 static void kvm_multiple_exception(struct kvm_vcpu *vcpu,
-		unsigned nr, bool has_error, u32 error_code)
+		unsigned nr, bool has_error, u32 error_code,
+		bool reinject)
 {
 	u32 prev_nr;
 	int class1, class2;
@@ -276,6 +277,7 @@ static void kvm_multiple_exception(struct kvm_vcpu *vcpu,
 		vcpu->arch.exception.has_error_code = has_error;
 		vcpu->arch.exception.nr = nr;
 		vcpu->arch.exception.error_code = error_code;
+		vcpu->arch.exception.reinject = true;
 		return;
 	}
 
@@ -304,10 +306,16 @@ static void kvm_multiple_exception(struct kvm_vcpu *vcpu,
 
 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr)
 {
-	kvm_multiple_exception(vcpu, nr, false, 0);
+	kvm_multiple_exception(vcpu, nr, false, 0, false);
 }
 EXPORT_SYMBOL_GPL(kvm_queue_exception);
 
+void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr)
+{
+	kvm_multiple_exception(vcpu, nr, false, 0, true);
+}
+EXPORT_SYMBOL_GPL(kvm_requeue_exception);
+
 void kvm_inject_page_fault(struct kvm_vcpu *vcpu, unsigned long addr,
 			   u32 error_code)
 {
@@ -324,10 +332,16 @@ EXPORT_SYMBOL_GPL(kvm_inject_nmi);
 
 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code)
 {
-	kvm_multiple_exception(vcpu, nr, true, error_code);
+	kvm_multiple_exception(vcpu, nr, true, error_code, false);
 }
 EXPORT_SYMBOL_GPL(kvm_queue_exception_e);
 
+void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code)
+{
+	kvm_multiple_exception(vcpu, nr, true, error_code, true);
+}
+EXPORT_SYMBOL_GPL(kvm_requeue_exception_e);
+
 /*
  * Checks if cpl <= required_cpl; if true, return true.  Otherwise queue
  * a #GP and return false.
@@ -4408,7 +4422,8 @@ static void inject_pending_event(struct kvm_vcpu *vcpu)
 					vcpu->arch.exception.error_code);
 		kvm_x86_ops->queue_exception(vcpu, vcpu->arch.exception.nr,
 					  vcpu->arch.exception.has_error_code,
-					  vcpu->arch.exception.error_code);
+					  vcpu->arch.exception.error_code,
+					  vcpu->arch.exception.reinject);
 		return;
 	}
 

From ff47a49b235e59e606e1cb267a08f7fbeb5719d1 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 12:33:14 +0200
Subject: [PATCH 1735/3638] KVM: SVM: Handle MCE intercepts always on host
 level

This patch prevents MCE intercepts from being propagated
into the L1 guest if they happened in an L2 guest.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 30e49fe7f8c..889f66022e5 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1651,6 +1651,7 @@ static int nested_svm_exit_special(struct vcpu_svm *svm)
 	switch (exit_code) {
 	case SVM_EXIT_INTR:
 	case SVM_EXIT_NMI:
+	case SVM_EXIT_EXCP_BASE + MC_VECTOR:
 		return NESTED_EXIT_HOST;
 	case SVM_EXIT_NPF:
 		/* For now we are always handling NPFs when using them */

From df2fb6e7106dd0b76e3576bfaecbeb6f34843709 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Thu, 22 Apr 2010 17:33:57 +0800
Subject: [PATCH 1736/3638] KVM: MMU: fix sp->unsync type error in trace event
 definition

sp->unsync is bool now, so update trace event declaration.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmutrace.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index bc4f7f0be2b..40a1786f36c 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -11,7 +11,7 @@
 	__field(__u64, gfn) \
 	__field(__u32, role) \
 	__field(__u32, root_count) \
-	__field(__u32, unsync)
+	__field(bool, unsync)
 
 #define KVM_MMU_PAGE_ASSIGN(sp)			     \
 	__entry->gfn = sp->gfn;			     \

From b843f065481488fd1d1f4ff2179aaf4f300a1358 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Sun, 25 Apr 2010 15:51:46 +0300
Subject: [PATCH 1737/3638] KVM: Document KVM_GET_MP_STATE and KVM_SET_MP_STATE

Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 Documentation/kvm/api.txt | 44 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index baa8fde8bd1..a237518e51b 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -848,6 +848,50 @@ function properly, this is the place to put them.
        __u8  pad[64];
 };
 
+4.37 KVM_GET_MP_STATE
+
+Capability: KVM_CAP_MP_STATE
+Architectures: x86, ia64
+Type: vcpu ioctl
+Parameters: struct kvm_mp_state (out)
+Returns: 0 on success; -1 on error
+
+struct kvm_mp_state {
+	__u32 mp_state;
+};
+
+Returns the vcpu's current "multiprocessing state" (though also valid on
+uniprocessor guests).
+
+Possible values are:
+
+ - KVM_MP_STATE_RUNNABLE:        the vcpu is currently running
+ - KVM_MP_STATE_UNINITIALIZED:   the vcpu is an application processor (AP)
+                                 which has not yet received an INIT signal
+ - KVM_MP_STATE_INIT_RECEIVED:   the vcpu has received an INIT signal, and is
+                                 now ready for a SIPI
+ - KVM_MP_STATE_HALTED:          the vcpu has executed a HLT instruction and
+                                 is waiting for an interrupt
+ - KVM_MP_STATE_SIPI_RECEIVED:   the vcpu has just received a SIPI (vector
+                                 accesible via KVM_GET_VCPU_EVENTS)
+
+This ioctl is only useful after KVM_CREATE_IRQCHIP.  Without an in-kernel
+irqchip, the multiprocessing state must be maintained by userspace.
+
+4.38 KVM_SET_MP_STATE
+
+Capability: KVM_CAP_MP_STATE
+Architectures: x86, ia64
+Type: vcpu ioctl
+Parameters: struct kvm_mp_state (in)
+Returns: 0 on success; -1 on error
+
+Sets the vcpu's current "multiprocessing state"; see KVM_GET_MP_STATE for
+arguments.
+
+This ioctl is only useful after KVM_CREATE_IRQCHIP.  Without an in-kernel
+irqchip, the multiprocessing state must be maintained by userspace.
+
 5. The kvm_run structure
 
 Application code obtains a pointer to the kvm_run structure by

From c4bd09b28907ca17cdb307c32bbcc9882c280feb Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 26 Apr 2010 11:59:21 +0300
Subject: [PATCH 1738/3638] KVM: Minor MMU documentation edits

Reported by Andrew Jones.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 Documentation/kvm/mmu.txt | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/kvm/mmu.txt b/Documentation/kvm/mmu.txt
index da046711362..0cc28fb84f4 100644
--- a/Documentation/kvm/mmu.txt
+++ b/Documentation/kvm/mmu.txt
@@ -75,8 +75,8 @@ direct mode; otherwise it operates in shadow mode (see below).
 Memory
 ======
 
-Guest memory (gpa) is part of user address space of the process that is using
-kvm.  Userspace defines the translation between guest addresses and user
+Guest memory (gpa) is part of the user address space of the process that is
+using kvm.  Userspace defines the translation between guest addresses and user
 addresses (gpa->hva); note that two gpas may alias to the same gva, but not
 vice versa.
 
@@ -111,7 +111,7 @@ is not related to a translation directly.  It points to other shadow pages.
 
 A leaf spte corresponds to either one or two translations encoded into
 one paging structure entry.  These are always the lowest level of the
-translation stack, with an optional higher level translations left to NPT/EPT.
+translation stack, with optional higher level translations left to NPT/EPT.
 Leaf ptes point at guest pages.
 
 The following table shows translations encoded by leaf ptes, with higher-level
@@ -167,7 +167,7 @@ Shadow pages contain the following information:
     Either the guest page table containing the translations shadowed by this
     page, or the base page frame for linear translations.  See role.direct.
   spt:
-    A pageful of 64-bit sptes containig the translations for this page.
+    A pageful of 64-bit sptes containing the translations for this page.
     Accessed by both kvm and hardware.
     The page pointed to by spt will have its page->private pointing back
     at the shadow page structure.
@@ -235,7 +235,7 @@ the amount of emulation we have to do when the guest modifies multiple gptes,
 or when the a guest page is no longer used as a page table and is used for
 random guest data.
 
-As a side effect we have resynchronize all reachable unsynchronized shadow
+As a side effect we have to resynchronize all reachable unsynchronized shadow
 pages on a tlb flush.
 
 

From 4a31f2eff3b8fcf009db35f89eb222ed7835b6b9 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Tue, 27 Apr 2010 12:24:42 +0200
Subject: [PATCH 1739/3638] ARM: mx3: Fix a race condition in mxcmmc

From cefcdab08d1c9636c4a7290bc2bbe937d051bce4 Mon Sep 17 00:00:00 2001
From: Volker Ernst <volker.ernst@txtr.com>
Date: Mon, 26 Apr 2010 22:51:07 +0200
Subject: [PATCH] ARM: mx3: Fix a race condition in mxcmmc

This fixes a race condition regarding interrupt bits in the SDHC
controller driver code.

In case of PIO-transfer it does not clear SDHC-status bit#11/12
in the INT-handler anymore. INT-handler might be called during
an ongoing PIO-data-transfer (with some other INT-flag set) and
PIO-transfer depends on these bits being set to detect the end
of the data-transfer. This also means that at the end of PIO-
transfer that PIO-software has to clear these bits itself.

However in case of DMA-transfer these bits have to be cleared
in the INT-handler, because they are used to generate INTs then.

Works solid, no more problems here, can transfer big files.

Signed-off-by: Volker Ernst <volker.ernst@txtr.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Cc: Andy Green <andy@warmcat.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/mmc/host/mxcmmc.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 2c53024ee43..ec18e3b6034 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -489,6 +489,9 @@ static void mxcmci_datawork(struct work_struct *work)
 	struct mxcmci_host *host = container_of(work, struct mxcmci_host,
 						  datawork);
 	int datastat = mxcmci_transfer_data(host);
+
+	writel(STATUS_READ_OP_DONE | STATUS_WRITE_OP_DONE,
+		host->base + MMC_REG_STATUS);
 	mxcmci_finish_data(host, datastat);
 
 	if (host->req->stop) {
@@ -553,7 +556,8 @@ static irqreturn_t mxcmci_irq(int irq, void *devid)
 	u32 stat;
 
 	stat = readl(host->base + MMC_REG_STATUS);
-	writel(stat & ~STATUS_SDIO_INT_ACTIVE, host->base + MMC_REG_STATUS);
+	writel(stat & ~(STATUS_SDIO_INT_ACTIVE | STATUS_DATA_TRANS_DONE |
+			STATUS_WRITE_OP_DONE), host->base + MMC_REG_STATUS);
 
 	dev_dbg(mmc_dev(host->mmc), "%s: 0x%08x\n", __func__, stat);
 
@@ -561,6 +565,13 @@ static irqreturn_t mxcmci_irq(int irq, void *devid)
 	sdio_irq = (stat & STATUS_SDIO_INT_ACTIVE) && host->use_sdio;
 	spin_unlock_irqrestore(&host->lock, flags);
 
+#ifdef HAS_DMA
+	if (mxcmci_use_dma(host) &&
+	    (stat & (STATUS_READ_OP_DONE | STATUS_WRITE_OP_DONE)))
+		writel(STATUS_READ_OP_DONE | STATUS_WRITE_OP_DONE,
+			host->base + MMC_REG_STATUS);
+#endif
+
 	if (sdio_irq) {
 		writel(STATUS_SDIO_INT_ACTIVE, host->base + MMC_REG_STATUS);
 		mmc_signal_sdio_irq(host->mmc);

From 6d38c1cf520e9e1d544242e2ae471677d7a78463 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 29 Apr 2010 10:03:18 +0200
Subject: [PATCH 1740/3638] arm/mach-mx2/3: Fix watchdog-devices to match the
 current driver

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx2/devices.c | 9 ++-------
 arch/arm/mach-mx3/devices.c | 2 +-
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c
index b91e412f7b3..a9377cec662 100644
--- a/arch/arm/mach-mx2/devices.c
+++ b/arch/arm/mach-mx2/devices.c
@@ -109,12 +109,7 @@ DEFINE_IMX_GPT_DEVICE(4, MX27_GPT5_BASE_ADDR, MX27_INT_GPT5);
 DEFINE_IMX_GPT_DEVICE(5, MX27_GPT6_BASE_ADDR, MX27_INT_GPT6);
 #endif
 
-/*
- * Watchdog:
- * - i.MX1
- * - i.MX21
- * - i.MX27
- */
+/* Watchdog: i.MX1 has seperate driver, i.MX21 and i.MX27 are equal */
 static struct resource mxc_wdt_resources[] = {
 	{
 		.start = MX2x_WDOG_BASE_ADDR,
@@ -124,7 +119,7 @@ static struct resource mxc_wdt_resources[] = {
 };
 
 struct platform_device mxc_wdt = {
-	.name = "mxc_wdt",
+	.name = "imx2-wdt",
 	.id = 0,
 	.num_resources = ARRAY_SIZE(mxc_wdt_resources),
 	.resource = mxc_wdt_resources,
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index 1ffed283d6c..81a1dbacbe4 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -582,7 +582,7 @@ static struct resource imx_wdt_resources[] = {
 };
 
 struct platform_device imx_wdt_device0 = {
-	.name           = "imx-wdt",
+	.name           = "imx2-wdt",
 	.id             = 0,
 	.num_resources  = ARRAY_SIZE(imx_wdt_resources),
 	.resource       = imx_wdt_resources,

From 3170ba546f8d4d2c35809f311c67311f896199f5 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 29 Apr 2010 10:03:19 +0200
Subject: [PATCH 1741/3638] arm/mach-mx3: add watchdog device to Phytec-boards

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/mach-pcm037.c | 1 +
 arch/arm/mach-mx3/mach-pcm043.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm/mach-mx3/mach-pcm037.c b/arch/arm/mach-mx3/mach-pcm037.c
index 2df1ec55a97..5024284d645 100644
--- a/arch/arm/mach-mx3/mach-pcm037.c
+++ b/arch/arm/mach-mx3/mach-pcm037.c
@@ -449,6 +449,7 @@ static int __init pcm037_camera_alloc_dma(const size_t buf_size)
 static struct platform_device *devices[] __initdata = {
 	&pcm037_flash,
 	&pcm037_sram_device,
+	&imx_wdt_device0,
 	&pcm037_mt9t031,
 	&pcm037_mt9v022,
 };
diff --git a/arch/arm/mach-mx3/mach-pcm043.c b/arch/arm/mach-mx3/mach-pcm043.c
index 1bf1ec2eef5..78d9185a9d4 100644
--- a/arch/arm/mach-mx3/mach-pcm043.c
+++ b/arch/arm/mach-mx3/mach-pcm043.c
@@ -150,6 +150,7 @@ static struct i2c_board_info pcm043_i2c_devices[] = {
 static struct platform_device *devices[] __initdata = {
 	&pcm043_flash,
 	&mxc_fec_device,
+	&imx_wdt_device0,
 };
 
 static struct pad_desc pcm043_pads[] = {

From f13899da00e1b815211cf246c7d2704db3c18e37 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 29 Apr 2010 10:03:20 +0200
Subject: [PATCH 1742/3638] arm/mach-mx2: add watchdog device to Phytec-boards

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx2/mach-pca100.c | 1 +
 arch/arm/mach-mx2/mach-pcm038.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm/mach-mx2/mach-pca100.c b/arch/arm/mach-mx2/mach-pca100.c
index 778fff23091..a87422ed4ff 100644
--- a/arch/arm/mach-mx2/mach-pca100.c
+++ b/arch/arm/mach-mx2/mach-pca100.c
@@ -145,6 +145,7 @@ static struct mxc_nand_platform_data pca100_nand_board_info = {
 static struct platform_device *platform_devices[] __initdata = {
 	&mxc_w1_master_device,
 	&mxc_fec_device,
+	&mxc_wdt,
 };
 
 static struct imxi2c_platform_data pca100_i2c_1_data = {
diff --git a/arch/arm/mach-mx2/mach-pcm038.c b/arch/arm/mach-mx2/mach-pcm038.c
index 035fbe046ec..36c89431679 100644
--- a/arch/arm/mach-mx2/mach-pcm038.c
+++ b/arch/arm/mach-mx2/mach-pcm038.c
@@ -182,6 +182,7 @@ static struct platform_device *platform_devices[] __initdata = {
 	&mxc_w1_master_device,
 	&mxc_fec_device,
 	&pcm038_sram_mtd_device,
+	&mxc_wdt,
 };
 
 /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and

From 4d92dc0f00a775dc2e1267b0e00befb783902fe7 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Mon, 17 May 2010 06:00:00 -0400
Subject: [PATCH 1743/3638] ext4: Fix compat EXT4_IOC_ADD_GROUP

struct ext4_new_group_input needs to be converted because u64 has
only 32-bit alignment on some 32-bit architectures, notably i386.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/ext4.h  | 16 ++++++++++++++++
 fs/ext4/ioctl.c | 25 +++++++++++++++++++++++--
 2 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index d8c28f658cb..2c1165f731a 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -29,6 +29,9 @@
 #include <linux/wait.h>
 #include <linux/blockgroup_lock.h>
 #include <linux/percpu_counter.h>
+#ifdef __KERNEL__
+#include <linux/compat.h>
+#endif
 
 /*
  * The fourth extended filesystem constants/structures
@@ -432,6 +435,18 @@ struct ext4_new_group_input {
 	__u16 unused;
 };
 
+#if defined(__KERNEL__) && defined(CONFIG_COMPAT)
+struct compat_ext4_new_group_input {
+	u32 group;
+	compat_u64 block_bitmap;
+	compat_u64 inode_bitmap;
+	compat_u64 inode_table;
+	u32 blocks_count;
+	u16 reserved_blocks;
+	u16 unused;
+};
+#endif
+
 /* The struct ext4_new_group_input in kernel space, with free_blocks_count */
 struct ext4_new_group_data {
 	__u32 group;
@@ -509,6 +524,7 @@ struct ext4_new_group_data {
 #define EXT4_IOC32_GETRSVSZ		_IOR('f', 5, int)
 #define EXT4_IOC32_SETRSVSZ		_IOW('f', 6, int)
 #define EXT4_IOC32_GROUP_EXTEND		_IOW('f', 7, unsigned int)
+#define EXT4_IOC32_GROUP_ADD		_IOW('f', 8, struct compat_ext4_new_group_input)
 #ifdef CONFIG_JBD2_DEBUG
 #define EXT4_IOC32_WAIT_FOR_READONLY	_IOR('f', 99, int)
 #endif
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 66fa0b030e3..6ddec84846c 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -373,8 +373,29 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case EXT4_IOC32_SETRSVSZ:
 		cmd = EXT4_IOC_SETRSVSZ;
 		break;
-	case EXT4_IOC_GROUP_ADD:
-		break;
+	case EXT4_IOC32_GROUP_ADD: {
+		struct compat_ext4_new_group_input __user *uinput;
+		struct ext4_new_group_input input;
+		mm_segment_t old_fs;
+		int err;
+
+		uinput = compat_ptr(arg);
+		err = get_user(input.group, &uinput->group);
+		err |= get_user(input.block_bitmap, &uinput->block_bitmap);
+		err |= get_user(input.inode_bitmap, &uinput->inode_bitmap);
+		err |= get_user(input.inode_table, &uinput->inode_table);
+		err |= get_user(input.blocks_count, &uinput->blocks_count);
+		err |= get_user(input.reserved_blocks,
+				&uinput->reserved_blocks);
+		if (err)
+			return -EFAULT;
+		old_fs = get_fs();
+		set_fs(KERNEL_DS);
+		err = ext4_ioctl(file, EXT4_IOC_GROUP_ADD,
+				 (unsigned long) &input);
+		set_fs(old_fs);
+		return err;
+	}
 	case EXT4_IOC_MOVE_EXT:
 		break;
 	default:

From 200b0700420a78c3ade543761f0901985f41f96b Mon Sep 17 00:00:00 2001
From: Boaz Harrosh <bharrosh@panasas.com>
Date: Mon, 22 Mar 2010 11:23:40 +0200
Subject: [PATCH 1744/3638] exofs: Add default address_space_operations

All vectors of address_space_operations should be initialized
by the filesystem. Add the missing parts.

This is actually an optimization, by using
__set_page_dirty_nobuffers. The default, in case of NULL,
would be __set_page_dirty_buffers which has these extar if(s).

.releasepage && .invalidatepage should both not be called
because page_private() is NULL in exofs. Put a WARN_ON if
they are called, to indicate the Kernel has changed in this
regard, if when it does.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
---
 fs/exofs/inode.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index 76d2a79ef93..9507283be3a 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -755,6 +755,21 @@ static int exofs_write_end(struct file *file, struct address_space *mapping,
 	return ret;
 }
 
+static int exofs_releasepage(struct page *page, gfp_t gfp)
+{
+	EXOFS_DBGMSG("page 0x%lx\n", page->index);
+	WARN_ON(1);
+	return try_to_free_buffers(page);
+}
+
+static void exofs_invalidatepage(struct page *page, unsigned long offset)
+{
+	EXOFS_DBGMSG("page_has_buffers=>%d\n", page_has_buffers(page));
+	WARN_ON(1);
+
+	block_invalidatepage(page, offset);
+}
+
 const struct address_space_operations exofs_aops = {
 	.readpage	= exofs_readpage,
 	.readpages	= exofs_readpages,
@@ -762,6 +777,21 @@ const struct address_space_operations exofs_aops = {
 	.writepages	= exofs_writepages,
 	.write_begin	= exofs_write_begin_export,
 	.write_end	= exofs_write_end,
+	.releasepage	= exofs_releasepage,
+	.set_page_dirty	= __set_page_dirty_nobuffers,
+	.invalidatepage = exofs_invalidatepage,
+
+	/* Not implemented Yet */
+	.bmap		= NULL, /* TODO: use osd's OSD_ACT_READ_MAP */
+	.direct_IO	= NULL, /* TODO: Should be trivial to do */
+
+	/* With these NULL has special meaning or default is not exported */
+	.sync_page	= NULL,
+	.get_xip_mem	= NULL,
+	.migratepage	= NULL,
+	.launder_page	= NULL,
+	.is_partially_uptodate = NULL,
+	.error_remove_page = NULL,
 };
 
 /******************************************************************************

From ddf08f4b90a413892bbb9bb2e8a57aed991cd47d Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 11:05:33 +0200
Subject: [PATCH 1745/3638] exofs: confusion between kmap() and kmap_atomic()
 api

For kmap_atomic() we call kunmap_atomic() on the returned pointer.
That's different from kmap() and kunmap() and so it's easy to get them
backwards.

Cc: Stable <stable@kernel.org>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
---
 fs/exofs/dir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/exofs/dir.c b/fs/exofs/dir.c
index 4cfab1cc75c..d91e9d829bc 100644
--- a/fs/exofs/dir.c
+++ b/fs/exofs/dir.c
@@ -608,7 +608,7 @@ int exofs_make_empty(struct inode *inode, struct inode *parent)
 	de->inode_no = cpu_to_le64(parent->i_ino);
 	memcpy(de->name, PARENT_DIR, sizeof(PARENT_DIR));
 	exofs_set_de_type(de, inode);
-	kunmap_atomic(page, KM_USER0);
+	kunmap_atomic(kaddr, KM_USER0);
 	err = exofs_commit_chunk(page, 0, chunk_size);
 fail:
 	page_cache_release(page);

From 69b62d01ec44fe0d505d89917392347732135a4d Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Mon, 17 May 2010 12:51:03 +0200
Subject: [PATCH 1746/3638] writeback: disable periodic old data writeback for
 !dirty_writeback_centisecs

Prior to 2.6.32, setting /proc/sys/vm/dirty_writeback_centisecs disabled
periodic dirty writeback from kupdate. This got broken and now causes
excessive sys CPU usage if set to zero, as we'll keep beating on
schedule().

Cc: stable@kernel.org
Reported-by: Justin Maggard <jmaggard10@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/fs-writeback.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 4b37f7cea4d..760dc8d0b4f 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -852,6 +852,12 @@ static long wb_check_old_data_flush(struct bdi_writeback *wb)
 	unsigned long expired;
 	long nr_pages;
 
+	/*
+	 * When set to zero, disable periodic writeback
+	 */
+	if (!dirty_writeback_interval)
+		return 0;
+
 	expired = wb->last_old_flush +
 			msecs_to_jiffies(dirty_writeback_interval * 10);
 	if (time_before(jiffies, expired))
@@ -947,8 +953,12 @@ int bdi_writeback_task(struct bdi_writeback *wb)
 				break;
 		}
 
-		wait_jiffies = msecs_to_jiffies(dirty_writeback_interval * 10);
-		schedule_timeout_interruptible(wait_jiffies);
+		if (dirty_writeback_interval) {
+			wait_jiffies = msecs_to_jiffies(dirty_writeback_interval * 10);
+			schedule_timeout_interruptible(wait_jiffies);
+		} else
+			schedule();
+
 		try_to_freeze();
 	}
 

From e913fc825dc685a444cb4c1d0f9d32f372f59861 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Mon, 17 May 2010 12:55:07 +0200
Subject: [PATCH 1747/3638] writeback: fix WB_SYNC_NONE writeback from umount

When umount calls sync_filesystem(), we first do a WB_SYNC_NONE
writeback to kick off writeback of pending dirty inodes, then follow
that up with a WB_SYNC_ALL to wait for it. Since umount already holds
the sb s_umount mutex, WB_SYNC_NONE ends up doing nothing and all
writeback happens as WB_SYNC_ALL. This can greatly slow down umount,
since WB_SYNC_ALL writeback is a data integrity operation and thus
a bigger hammer than simple WB_SYNC_NONE. For barrier aware file systems
it's a lot slower.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/fs-writeback.c           | 48 ++++++++++++++++++++++++++++---------
 fs/sync.c                   |  2 +-
 include/linux/backing-dev.h |  2 +-
 include/linux/writeback.h   | 10 ++++++++
 mm/page-writeback.c         |  4 ++--
 5 files changed, 51 insertions(+), 15 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 760dc8d0b4f..67db89786e7 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -45,6 +45,7 @@ struct wb_writeback_args {
 	int for_kupdate:1;
 	int range_cyclic:1;
 	int for_background:1;
+	int sb_pinned:1;
 };
 
 /*
@@ -230,6 +231,11 @@ static void bdi_sync_writeback(struct backing_dev_info *bdi,
 		.sync_mode	= WB_SYNC_ALL,
 		.nr_pages	= LONG_MAX,
 		.range_cyclic	= 0,
+		/*
+		 * Setting sb_pinned is not necessary for WB_SYNC_ALL, but
+		 * lets make it explicitly clear.
+		 */
+		.sb_pinned	= 1,
 	};
 	struct bdi_work work;
 
@@ -245,21 +251,23 @@ static void bdi_sync_writeback(struct backing_dev_info *bdi,
  * @bdi: the backing device to write from
  * @sb: write inodes from this super_block
  * @nr_pages: the number of pages to write
+ * @sb_locked: caller already holds sb umount sem.
  *
  * Description:
  *   This does WB_SYNC_NONE opportunistic writeback. The IO is only
  *   started when this function returns, we make no guarentees on
- *   completion. Caller need not hold sb s_umount semaphore.
+ *   completion. Caller specifies whether sb umount sem is held already or not.
  *
  */
 void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb,
-			 long nr_pages)
+			 long nr_pages, int sb_locked)
 {
 	struct wb_writeback_args args = {
 		.sb		= sb,
 		.sync_mode	= WB_SYNC_NONE,
 		.nr_pages	= nr_pages,
 		.range_cyclic	= 1,
+		.sb_pinned	= sb_locked,
 	};
 
 	/*
@@ -577,7 +585,7 @@ static enum sb_pin_state pin_sb_for_writeback(struct writeback_control *wbc,
 	/*
 	 * Caller must already hold the ref for this
 	 */
-	if (wbc->sync_mode == WB_SYNC_ALL) {
+	if (wbc->sync_mode == WB_SYNC_ALL || wbc->sb_pinned) {
 		WARN_ON(!rwsem_is_locked(&sb->s_umount));
 		return SB_NOT_PINNED;
 	}
@@ -751,6 +759,7 @@ static long wb_writeback(struct bdi_writeback *wb,
 		.for_kupdate		= args->for_kupdate,
 		.for_background		= args->for_background,
 		.range_cyclic		= args->range_cyclic,
+		.sb_pinned		= args->sb_pinned,
 	};
 	unsigned long oldest_jif;
 	long wrote = 0;
@@ -1193,6 +1202,18 @@ static void wait_sb_inodes(struct super_block *sb)
 	iput(old_inode);
 }
 
+static void __writeback_inodes_sb(struct super_block *sb, int sb_locked)
+{
+	unsigned long nr_dirty = global_page_state(NR_FILE_DIRTY);
+	unsigned long nr_unstable = global_page_state(NR_UNSTABLE_NFS);
+	long nr_to_write;
+
+	nr_to_write = nr_dirty + nr_unstable +
+			(inodes_stat.nr_inodes - inodes_stat.nr_unused);
+
+	bdi_start_writeback(sb->s_bdi, sb, nr_to_write, sb_locked);
+}
+
 /**
  * writeback_inodes_sb	-	writeback dirty inodes from given super_block
  * @sb: the superblock
@@ -1204,17 +1225,22 @@ static void wait_sb_inodes(struct super_block *sb)
  */
 void writeback_inodes_sb(struct super_block *sb)
 {
-	unsigned long nr_dirty = global_page_state(NR_FILE_DIRTY);
-	unsigned long nr_unstable = global_page_state(NR_UNSTABLE_NFS);
-	long nr_to_write;
-
-	nr_to_write = nr_dirty + nr_unstable +
-			(inodes_stat.nr_inodes - inodes_stat.nr_unused);
-
-	bdi_start_writeback(sb->s_bdi, sb, nr_to_write);
+	__writeback_inodes_sb(sb, 0);
 }
 EXPORT_SYMBOL(writeback_inodes_sb);
 
+/**
+ * writeback_inodes_sb_locked	- writeback dirty inodes from given super_block
+ * @sb: the superblock
+ *
+ * Like writeback_inodes_sb(), except the caller already holds the
+ * sb umount sem.
+ */
+void writeback_inodes_sb_locked(struct super_block *sb)
+{
+	__writeback_inodes_sb(sb, 1);
+}
+
 /**
  * writeback_inodes_sb_if_idle	-	start writeback if none underway
  * @sb: the superblock
diff --git a/fs/sync.c b/fs/sync.c
index 92b228176f7..de6a4419283 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -42,7 +42,7 @@ static int __sync_filesystem(struct super_block *sb, int wait)
 	if (wait)
 		sync_inodes_sb(sb);
 	else
-		writeback_inodes_sb(sb);
+		writeback_inodes_sb_locked(sb);
 
 	if (sb->s_op->sync_fs)
 		sb->s_op->sync_fs(sb, wait);
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 7534979d83b..ff8bac63213 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -106,7 +106,7 @@ int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
 void bdi_unregister(struct backing_dev_info *bdi);
 int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int);
 void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb,
-				long nr_pages);
+				long nr_pages, int sb_locked);
 int bdi_writeback_task(struct bdi_writeback *wb);
 int bdi_has_dirty_io(struct backing_dev_info *bdi);
 
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index eb38a2c645f..47e1c686cb0 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -65,6 +65,15 @@ struct writeback_control {
 	 * so we use a single control to update them
 	 */
 	unsigned no_nrwrite_index_update:1;
+
+	/*
+	 * For WB_SYNC_ALL, the sb must always be pinned. For WB_SYNC_NONE,
+	 * the writeback code will pin the sb for the caller. However,
+	 * for eg umount, the caller does WB_SYNC_NONE but already has
+	 * the sb pinned. If the below is set, caller already has the
+	 * sb pinned.
+	 */
+	unsigned sb_pinned:1;
 };
 
 /*
@@ -73,6 +82,7 @@ struct writeback_control {
 struct bdi_writeback;
 int inode_wait(void *);
 void writeback_inodes_sb(struct super_block *);
+void writeback_inodes_sb_locked(struct super_block *);
 int writeback_inodes_sb_if_idle(struct super_block *);
 void sync_inodes_sb(struct super_block *);
 void writeback_inodes_wbc(struct writeback_control *wbc);
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index d0f2b3765f8..53b2fcf2d28 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -597,7 +597,7 @@ static void balance_dirty_pages(struct address_space *mapping,
 	    (!laptop_mode && ((global_page_state(NR_FILE_DIRTY)
 			       + global_page_state(NR_UNSTABLE_NFS))
 					  > background_thresh)))
-		bdi_start_writeback(bdi, NULL, 0);
+		bdi_start_writeback(bdi, NULL, 0, 0);
 }
 
 void set_page_dirty_balance(struct page *page, int page_mkwrite)
@@ -705,7 +705,7 @@ void laptop_mode_timer_fn(unsigned long data)
 	 */
 
 	if (bdi_has_dirty_io(&q->backing_dev_info))
-		bdi_start_writeback(&q->backing_dev_info, NULL, nr_pages);
+		bdi_start_writeback(&q->backing_dev_info, NULL, 0, nr_pages);
 }
 
 /*

From 60e6679e28518ccd67169c4a539d8cc7490eb8a6 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 17 May 2010 07:00:00 -0400
Subject: [PATCH 1748/3638] ext4: Drop whitespace at end of lines

This patch was generated using:

#!/usr/bin/perl -i
while (<>) {
    s/[ 	]+$//;
    print;
}

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/block_validity.c |  4 ++--
 fs/ext4/ext4.h           |  4 ++--
 fs/ext4/extents.c        |  8 ++++----
 fs/ext4/fsync.c          |  2 +-
 fs/ext4/inode.c          |  4 ++--
 fs/ext4/ioctl.c          |  2 +-
 fs/ext4/mballoc.c        |  8 ++++----
 fs/ext4/namei.c          | 10 +++++-----
 fs/ext4/super.c          |  4 ++--
 9 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index 538c4865508..5b6973fbf1b 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -72,9 +72,9 @@ static int add_system_zone(struct ext4_sb_info *sbi,
 		else if (start_blk >= (entry->start_blk + entry->count))
 			n = &(*n)->rb_right;
 		else {
-			if (start_blk + count > (entry->start_blk + 
+			if (start_blk + count > (entry->start_blk +
 						 entry->count))
-				entry->count = (start_blk + count - 
+				entry->count = (start_blk + count -
 						entry->start_blk);
 			new_node = *n;
 			new_entry = rb_entry(new_node, struct ext4_system_zone,
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 2c1165f731a..124ef771a61 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -75,7 +75,7 @@ typedef __u32 ext4_lblk_t;
 typedef unsigned int ext4_group_t;
 
 /*
- * Flags used in mballoc's allocation_context flags field.  
+ * Flags used in mballoc's allocation_context flags field.
  *
  * Also used to show what's going on for debugging purposes when the
  * flag field is exported via the traceport interface
@@ -470,7 +470,7 @@ struct ext4_new_group_data {
 #define EXT4_GET_BLOCKS_CREATE_UNINIT_EXT	(EXT4_GET_BLOCKS_UNINIT_EXT|\
 						 EXT4_GET_BLOCKS_CREATE)
 	/* Caller is from the delayed allocation writeout path,
-	   so set the magic i_delalloc_reserve_flag after taking the 
+	   so set the magic i_delalloc_reserve_flag after taking the
 	   inode allocation semaphore for */
 #define EXT4_GET_BLOCKS_DELALLOC_RESERVE	0x0004
 	/* caller is from the direct IO path, request to creation of an
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 0a47becf668..377309c1af6 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -182,10 +182,10 @@ static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode,
 	if (flex_size >= EXT4_FLEX_SIZE_DIR_ALLOC_SCHEME) {
 		/*
 		 * If there are at least EXT4_FLEX_SIZE_DIR_ALLOC_SCHEME
-		 * block groups per flexgroup, reserve the first block 
-		 * group for directories and special files.  Regular 
+		 * block groups per flexgroup, reserve the first block
+		 * group for directories and special files.  Regular
 		 * files will start at the second block group.  This
-		 * tends to speed up directory access and improves 
+		 * tends to speed up directory access and improves
 		 * fsck times.
 		 */
 		block_group &= ~(flex_size-1);
@@ -2034,7 +2034,7 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
 	struct ext4_ext_cache *cex;
 	int ret = EXT4_EXT_CACHE_NO;
 
-	/* 
+	/*
 	 * We borrow i_block_reservation_lock to protect i_cached_extent
 	 */
 	spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 42bd94a942c..6ca7b6e59d8 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -66,7 +66,7 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
 	ret = flush_completed_IO(inode);
 	if (ret < 0)
 		return ret;
-	
+
 	if (!journal)
 		return simple_fsync(file, dentry, datasync);
 
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8e45331b656..502b07dc70d 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -784,7 +784,7 @@ failed:
 	/* Allocation failed, free what we already allocated */
 	ext4_free_blocks(handle, inode, 0, new_blocks[0], 1, 0);
 	for (i = 1; i <= n ; i++) {
-		/* 
+		/*
 		 * branch[i].bh is newly allocated, so there is no
 		 * need to revoke the block, which is why we don't
 		 * need to set EXT4_FREE_BLOCKS_METADATA.
@@ -874,7 +874,7 @@ static int ext4_splice_branch(handle_t *handle, struct inode *inode,
 
 err_out:
 	for (i = 1; i <= num; i++) {
-		/* 
+		/*
 		 * branch[i].bh is newly allocated, so there is no
 		 * need to revoke the block, which is why we don't
 		 * need to set EXT4_FREE_BLOCKS_METADATA.
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 6ddec84846c..bf5ae883b1b 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -258,7 +258,7 @@ setversion_out:
 		if (me.moved_len > 0)
 			file_remove_suid(donor_filp);
 
-		if (copy_to_user((struct move_extent __user *)arg, 
+		if (copy_to_user((struct move_extent __user *)arg,
 				 &me, sizeof(me)))
 			err = -EFAULT;
 mext_out:
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index a93f554b680..12b3bc026a6 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2691,7 +2691,7 @@ int __init init_ext4_mballoc(void)
 
 void exit_ext4_mballoc(void)
 {
-	/* 
+	/*
 	 * Wait for completion of call_rcu()'s on ext4_pspace_cachep
 	 * before destroying the slab cache.
 	 */
@@ -3330,7 +3330,7 @@ static void ext4_mb_put_pa(struct ext4_allocation_context *ac,
 	spin_unlock(&pa->pa_lock);
 
 	grp_blk = pa->pa_pstart;
-	/* 
+	/*
 	 * If doing group-based preallocation, pa_pstart may be in the
 	 * next group when pa is used up
 	 */
@@ -4534,12 +4534,12 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
 			if (!bh)
 				tbh = sb_find_get_block(inode->i_sb,
 							block + i);
-			ext4_forget(handle, flags & EXT4_FREE_BLOCKS_METADATA, 
+			ext4_forget(handle, flags & EXT4_FREE_BLOCKS_METADATA,
 				    inode, tbh, block + i);
 		}
 	}
 
-	/* 
+	/*
 	 * We need to make sure we don't reuse the freed block until
 	 * after the transaction is committed, which we can do by
 	 * treating the block as metadata, below.  We make an
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 7b4bf8feae4..83be743c8d1 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -187,7 +187,7 @@ unsigned int ext4_rec_len_from_disk(__le16 dlen, unsigned blocksize)
 		return blocksize;
 	return (len & 65532) | ((len & 3) << 16);
 }
-  
+
 __le16 ext4_rec_len_to_disk(unsigned len, unsigned blocksize)
 {
 	if ((len > blocksize) || (blocksize > (1 << 18)) || (len & 3))
@@ -197,7 +197,7 @@ __le16 ext4_rec_len_to_disk(unsigned len, unsigned blocksize)
 	if (len == blocksize) {
 		if (blocksize == 65536)
 			return cpu_to_le16(EXT4_MAX_REC_LEN);
-		else 
+		else
 			return cpu_to_le16(0);
 	}
 	return cpu_to_le16((len & 65532) | ((len >> 16) & 3));
@@ -349,7 +349,7 @@ struct stats dx_show_entries(struct dx_hash_info *hinfo, struct inode *dir,
 		brelse(bh);
 	}
 	if (bcount)
-		printk(KERN_DEBUG "%snames %u, fullness %u (%u%%)\n", 
+		printk(KERN_DEBUG "%snames %u, fullness %u (%u%%)\n",
 		       levels ? "" : "   ", names, space/bcount,
 		       (space/bcount)*100/blocksize);
 	return (struct stats) { names, space, bcount};
@@ -653,7 +653,7 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
 	int ret, err;
 	__u32 hashval;
 
-	dxtrace(printk(KERN_DEBUG "In htree_fill_tree, start hash: %x:%x\n", 
+	dxtrace(printk(KERN_DEBUG "In htree_fill_tree, start hash: %x:%x\n",
 		       start_hash, start_minor_hash));
 	dir = dir_file->f_path.dentry->d_inode;
 	if (!(ext4_test_inode_flag(dir, EXT4_INODE_INDEX))) {
@@ -1141,7 +1141,7 @@ dx_move_dirents(char *from, char *to, struct dx_map_entry *map, int count,
 	unsigned rec_len = 0;
 
 	while (count--) {
-		struct ext4_dir_entry_2 *de = (struct ext4_dir_entry_2 *) 
+		struct ext4_dir_entry_2 *de = (struct ext4_dir_entry_2 *)
 						(from + (map->offs<<2));
 		rec_len = EXT4_DIR_REC_LEN(de->name_len);
 		memcpy (to, de, rec_len);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9766b2ae6cd..49d88c0597c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2216,7 +2216,7 @@ static unsigned long ext4_get_stripe_size(struct ext4_sb_info *sbi)
 struct ext4_attr {
 	struct attribute attr;
 	ssize_t (*show)(struct ext4_attr *, struct ext4_sb_info *, char *);
-	ssize_t (*store)(struct ext4_attr *, struct ext4_sb_info *, 
+	ssize_t (*store)(struct ext4_attr *, struct ext4_sb_info *,
 			 const char *, size_t);
 	int offset;
 };
@@ -3383,7 +3383,7 @@ static int ext4_commit_super(struct super_block *sb, int sync)
 	if (!(sb->s_flags & MS_RDONLY))
 		es->s_wtime = cpu_to_le32(get_seconds());
 	es->s_kbytes_written =
-		cpu_to_le64(EXT4_SB(sb)->s_kbytes_written + 
+		cpu_to_le64(EXT4_SB(sb)->s_kbytes_written +
 			    ((part_stat_read(sb->s_bdev->bd_part, sectors[1]) -
 			      EXT4_SB(sb)->s_sectors_written_start) >> 1));
 	ext4_free_blocks_count_set(es, percpu_counter_sum_positive(

From 5547e8aac6f71505d621a612de2fca0dd988b439 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Fri, 7 May 2010 13:35:44 +0400
Subject: [PATCH 1749/3638] writeback: Update dirty flags in two steps

Filesystems with delalloc support may dirty inode during writepages.
As result inode will have dirty metadata flags even after write_inode.
In fact we have two dedicated functions for proper data and metadata
writeback. It is reasonable to separate flags updates in two stages.

https://bugzilla.kernel.org/show_bug.cgi?id=15906

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/fs-writeback.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 67db89786e7..0f629571234 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -460,11 +460,9 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 
 	BUG_ON(inode->i_state & I_SYNC);
 
-	/* Set I_SYNC, reset I_DIRTY */
-	dirty = inode->i_state & I_DIRTY;
+	/* Set I_SYNC, reset I_DIRTY_PAGES */
 	inode->i_state |= I_SYNC;
-	inode->i_state &= ~I_DIRTY;
-
+	inode->i_state &= ~I_DIRTY_PAGES;
 	spin_unlock(&inode_lock);
 
 	ret = do_writepages(mapping, wbc);
@@ -480,6 +478,15 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 			ret = err;
 	}
 
+	/*
+	 * Some filesystems may redirty the inode during the writeback
+	 * due to delalloc, clear dirty metadata flags right before
+	 * write_inode()
+	 */
+	spin_lock(&inode_lock);
+	dirty = inode->i_state & I_DIRTY;
+	inode->i_state &= ~(I_DIRTY_SYNC | I_DIRTY_DATASYNC);
+	spin_unlock(&inode_lock);
 	/* Don't write the inode if only I_DIRTY_PAGES was set */
 	if (dirty & (I_DIRTY_SYNC | I_DIRTY_DATASYNC)) {
 		int err = write_inode(inode, wbc);

From b355850ba383232d4e0e357c1cda8cb7bfcc60bc Mon Sep 17 00:00:00 2001
From: Don Prince <dhprince.devel@yahoo.co.uk>
Date: Mon, 17 May 2010 11:42:39 +0100
Subject: [PATCH 1750/3638] HID: hid-samsung: add support for Creative Desktop
 Wireless 6000

Add support for the multimedia buttons of the Creative Desktop Wireless 6000
keyboard/mouse combo which are not currently handled by the default/samsung HID
driver.

Signed-off-by: Don Prince <dhprince-devel@yahoo.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig       |   2 +-
 drivers/hid/hid-core.c    |   1 +
 drivers/hid/hid-ids.h     |   1 +
 drivers/hid/hid-samsung.c | 102 +++++++++++++++++++++++++++++++++-----
 4 files changed, 93 insertions(+), 13 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 3cf69a0a8b7..ac8e12d00c0 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -273,7 +273,7 @@ config HID_SAMSUNG
 	depends on USB_HID
 	default !EMBEDDED
 	---help---
-	Support for Samsung InfraRed remote control.
+	Support for Samsung InfraRed remote control or keyboards.
 
 config HID_SONY
 	tristate "Sony" if EMBEDDED
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 7c77c64d3e9..c625c3419a8 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1346,6 +1346,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 30cba94cfb0..ba071b1aba3 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -415,6 +415,7 @@
 
 #define USB_VENDOR_ID_SAMSUNG		0x0419
 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE	0x0001
+#define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE	0x0600
 
 #define USB_VENDOR_ID_SONY			0x054c
 #define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE	0x024b
diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c
index 510dd134059..869a5acfc0b 100644
--- a/drivers/hid/hid-samsung.c
+++ b/drivers/hid/hid-samsung.c
@@ -7,6 +7,18 @@
  *  Copyright (c) 2006-2007 Jiri Kosina
  *  Copyright (c) 2007 Paul Walmsley
  *  Copyright (c) 2008 Jiri Slaby
+ *  Copyright (c) 2010 Don Prince <dhprince.devel@yahoo.co.uk>
+ *
+ *
+ *  This driver supports several HID devices:
+ *
+ *  [0419:0001] Samsung IrDA remote controller (reports as Cypress USB Mouse).
+ *	various hid report fixups for different variants.
+ *
+ *  [0419:0600] Creative Desktop Wireless 6000 keyboard/mouse combo
+ *	several key mappings used from the consumer usage page
+ *	deviate from the USB HUT 1.12 standard.
+ *
  */
 
 /*
@@ -17,14 +29,13 @@
  */
 
 #include <linux/device.h>
+#include <linux/usb.h>
 #include <linux/hid.h>
 #include <linux/module.h>
 
 #include "hid-ids.h"
 
 /*
- * Samsung IrDA remote controller (reports as Cypress USB Mouse).
- *
  * There are several variants for 0419:0001:
  *
  * 1. 184 byte report descriptor
@@ -43,21 +54,21 @@
  * 4. 171 byte report descriptor
  * Report #3 has an array field with logical range 0..1 instead of 1..3.
  */
-static inline void samsung_dev_trace(struct hid_device *hdev,
+static inline void samsung_irda_dev_trace(struct hid_device *hdev,
 		unsigned int rsize)
 {
 	dev_info(&hdev->dev, "fixing up Samsung IrDA %d byte report "
 			"descriptor\n", rsize);
 }
 
-static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+static void samsung_irda_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int rsize)
 {
 	if (rsize == 184 && rdesc[175] == 0x25 && rdesc[176] == 0x40 &&
 			rdesc[177] == 0x75 && rdesc[178] == 0x30 &&
 			rdesc[179] == 0x95 && rdesc[180] == 0x01 &&
 			rdesc[182] == 0x40) {
-		samsung_dev_trace(hdev, 184);
+		samsung_irda_dev_trace(hdev, 184);
 		rdesc[176] = 0xff;
 		rdesc[178] = 0x08;
 		rdesc[180] = 0x06;
@@ -65,24 +76,87 @@ static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 	} else
 	if (rsize == 203 && rdesc[192] == 0x15 && rdesc[193] == 0x0 &&
 			rdesc[194] == 0x25 && rdesc[195] == 0x12) {
-		samsung_dev_trace(hdev, 203);
+		samsung_irda_dev_trace(hdev, 203);
 		rdesc[193] = 0x1;
 		rdesc[195] = 0xf;
 	} else
 	if (rsize == 135 && rdesc[124] == 0x15 && rdesc[125] == 0x0 &&
 			rdesc[126] == 0x25 && rdesc[127] == 0x11) {
-		samsung_dev_trace(hdev, 135);
+		samsung_irda_dev_trace(hdev, 135);
 		rdesc[125] = 0x1;
 		rdesc[127] = 0xe;
 	} else
 	if (rsize == 171 && rdesc[160] == 0x15 && rdesc[161] == 0x0 &&
 			rdesc[162] == 0x25 && rdesc[163] == 0x01) {
-		samsung_dev_trace(hdev, 171);
+		samsung_irda_dev_trace(hdev, 171);
 		rdesc[161] = 0x1;
 		rdesc[163] = 0x3;
 	}
 }
 
+#define samsung_kbd_mouse_map_key_clear(c) \
+	hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
+
+static int samsung_kbd_mouse_input_mapping(struct hid_device *hdev,
+	struct hid_input *hi, struct hid_field *field, struct hid_usage *usage,
+	unsigned long **bit, int *max)
+{
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+
+	if (1 != ifnum || HID_UP_CONSUMER != (usage->hid & HID_USAGE_PAGE))
+		return 0;
+
+	dbg_hid("samsung wireless keyboard/mouse input mapping event [0x%x]\n",
+		usage->hid & HID_USAGE);
+
+	switch (usage->hid & HID_USAGE) {
+	/* report 2 */
+	case 0x0b5: samsung_kbd_mouse_map_key_clear(KEY_NEXTSONG); break;
+	case 0x0b6: samsung_kbd_mouse_map_key_clear(KEY_PREVIOUSSONG); break;
+	case 0x0b7: samsung_kbd_mouse_map_key_clear(KEY_STOPCD); break;
+	case 0x0cd: samsung_kbd_mouse_map_key_clear(KEY_PLAYPAUSE); break;
+	case 0x0e2: samsung_kbd_mouse_map_key_clear(KEY_MUTE); break;
+	case 0x0e9: samsung_kbd_mouse_map_key_clear(KEY_VOLUMEUP); break;
+	case 0x0ea: samsung_kbd_mouse_map_key_clear(KEY_VOLUMEDOWN); break;
+	case 0x183: samsung_kbd_mouse_map_key_clear(KEY_MEDIA); break;
+	case 0x195: samsung_kbd_mouse_map_key_clear(KEY_EMAIL);	break;
+	case 0x196: samsung_kbd_mouse_map_key_clear(KEY_CALC); break;
+	case 0x197: samsung_kbd_mouse_map_key_clear(KEY_COMPUTER); break;
+	case 0x22b: samsung_kbd_mouse_map_key_clear(KEY_SEARCH); break;
+	case 0x22c: samsung_kbd_mouse_map_key_clear(KEY_WWW); break;
+	case 0x22d: samsung_kbd_mouse_map_key_clear(KEY_BACK); break;
+	case 0x22e: samsung_kbd_mouse_map_key_clear(KEY_FORWARD); break;
+	case 0x22f: samsung_kbd_mouse_map_key_clear(KEY_FAVORITES); break;
+	case 0x230: samsung_kbd_mouse_map_key_clear(KEY_REFRESH); break;
+	case 0x231: samsung_kbd_mouse_map_key_clear(KEY_STOP); break;
+	default:
+		return 0;
+	}
+
+	return 1;
+}
+
+static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+	unsigned int rsize)
+{
+	if (USB_DEVICE_ID_SAMSUNG_IR_REMOTE == hdev->product)
+		samsung_irda_report_fixup(hdev, rdesc, rsize);
+}
+
+static int samsung_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+	struct hid_field *field, struct hid_usage *usage,
+	unsigned long **bit, int *max)
+{
+	int ret = 0;
+
+	if (USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE == hdev->product)
+		ret = samsung_kbd_mouse_input_mapping(hdev,
+			hi, field, usage, bit, max);
+
+	return ret;
+}
+
 static int samsung_probe(struct hid_device *hdev,
 		const struct hid_device_id *id)
 {
@@ -95,10 +169,12 @@ static int samsung_probe(struct hid_device *hdev,
 		goto err_free;
 	}
 
-	if (hdev->rsize == 184) {
-		/* disable hidinput, force hiddev */
-		cmask = (cmask & ~HID_CONNECT_HIDINPUT) |
-			HID_CONNECT_HIDDEV_FORCE;
+	if (USB_DEVICE_ID_SAMSUNG_IR_REMOTE == hdev->product) {
+		if (hdev->rsize == 184) {
+			/* disable hidinput, force hiddev */
+			cmask = (cmask & ~HID_CONNECT_HIDINPUT) |
+				HID_CONNECT_HIDDEV_FORCE;
+		}
 	}
 
 	ret = hid_hw_start(hdev, cmask);
@@ -114,6 +190,7 @@ err_free:
 
 static const struct hid_device_id samsung_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, samsung_devices);
@@ -122,6 +199,7 @@ static struct hid_driver samsung_driver = {
 	.name = "samsung",
 	.id_table = samsung_devices,
 	.report_fixup = samsung_report_fixup,
+	.input_mapping = samsung_input_mapping,
 	.probe = samsung_probe,
 };
 

From 14ece1028b3ed53ffec1b1213ffc6acaf79ad77c Mon Sep 17 00:00:00 2001
From: Frank Mayhar <fmayhar@google.com>
Date: Mon, 17 May 2010 08:00:00 -0400
Subject: [PATCH 1751/3638] ext4: Make fsync sync new parent directories in
 no-journal mode

Add a new ext4 state to tell us when a file has been newly created; use
that state in ext4_sync_file in no-journal mode to tell us when we need
to sync the parent directory as well as the inode and data itself.  This
fixes a problem in which a panic or power failure may lose the entire
file even when using fsync, since the parent directory entry is lost.

Addresses-Google-Bug: #2480057

Signed-off-by: Frank Mayhar <fmayhar@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/ext4.h  |  1 +
 fs/ext4/fsync.c | 31 +++++++++++++++++++++++++++++--
 fs/ext4/namei.c |  2 ++
 3 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 124ef771a61..60bd31026e7 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1180,6 +1180,7 @@ enum {
 	EXT4_STATE_DA_ALLOC_CLOSE,	/* Alloc DA blks on close */
 	EXT4_STATE_EXT_MIGRATE,		/* Inode is migrating */
 	EXT4_STATE_DIO_UNWRITTEN,	/* need convert on dio done*/
+	EXT4_STATE_NEWENTRY,		/* File just added to dir */
 };
 
 #define EXT4_INODE_BIT_FNS(name, field)					\
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 6ca7b6e59d8..e187f87acec 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -34,6 +34,29 @@
 
 #include <trace/events/ext4.h>
 
+/*
+ * If we're not journaling and this is a just-created file, we have to
+ * sync our parent directory (if it was freshly created) since
+ * otherwise it will only be written by writeback, leaving a huge
+ * window during which a crash may lose the file.  This may apply for
+ * the parent directory's parent as well, and so on recursively, if
+ * they are also freshly created.
+ */
+static void ext4_sync_parent(struct inode *inode)
+{
+	struct dentry *dentry = NULL;
+
+	while (inode && ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY)) {
+		ext4_clear_inode_state(inode, EXT4_STATE_NEWENTRY);
+		dentry = list_entry(inode->i_dentry.next,
+				    struct dentry, d_alias);
+		if (!dentry || !dentry->d_parent || !dentry->d_parent->d_inode)
+			break;
+		inode = dentry->d_parent->d_inode;
+		sync_mapping_buffers(inode->i_mapping);
+	}
+}
+
 /*
  * akpm: A new design for ext4_sync_file().
  *
@@ -67,8 +90,12 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
 	if (ret < 0)
 		return ret;
 
-	if (!journal)
-		return simple_fsync(file, dentry, datasync);
+	if (!journal) {
+		ret = simple_fsync(file, dentry, datasync);
+		if (!ret && !list_empty(&inode->i_dentry))
+			ext4_sync_parent(inode);
+		return ret;
+	}
 
 	/*
 	 * data=writeback,ordered:
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 83be743c8d1..a43e6617b35 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1517,6 +1517,8 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
 	de->rec_len = ext4_rec_len_to_disk(blocksize, blocksize);
 	retval = add_dirent_to_buf(handle, dentry, inode, de, bh);
 	brelse(bh);
+	if (retval == 0)
+		ext4_set_inode_state(inode, EXT4_STATE_NEWENTRY);
 	return retval;
 }
 

From 345e5c8a1cc30ebd527bcc122d9540538942f1ba Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Thu, 7 Jan 2010 17:57:46 +0100
Subject: [PATCH 1752/3638] powerpc: Add interrupt support to mpc8xxx_gpio

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 .../powerpc/dts-bindings/fsl/8xxx_gpio.txt    |  22 ++-
 arch/powerpc/sysdev/mpc8xxx_gpio.c            | 147 ++++++++++++++++++
 2 files changed, 168 insertions(+), 1 deletion(-)

diff --git a/Documentation/powerpc/dts-bindings/fsl/8xxx_gpio.txt b/Documentation/powerpc/dts-bindings/fsl/8xxx_gpio.txt
index d015dcec401..b0019eb5330 100644
--- a/Documentation/powerpc/dts-bindings/fsl/8xxx_gpio.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/8xxx_gpio.txt
@@ -11,7 +11,7 @@ Required properties:
   83xx, "fsl,mpc8572-gpio" for 85xx and "fsl,mpc8610-gpio" for 86xx.
 - #gpio-cells : Should be two. The first cell is the pin number and the
   second cell is used to specify optional parameters (currently unused).
- - interrupts : Interrupt mapping for GPIO IRQ (currently unused).
+ - interrupts : Interrupt mapping for GPIO IRQ.
  - interrupt-parent : Phandle for the interrupt controller that
    services interrupts for this device.
 - gpio-controller : Marks the port as GPIO controller.
@@ -38,3 +38,23 @@ Example of gpio-controller nodes for a MPC8347 SoC:
 
 See booting-without-of.txt for details of how to specify GPIO
 information for devices.
+
+To use GPIO pins as interrupt sources for peripherals, specify the
+GPIO controller as the interrupt parent and define GPIO number +
+trigger mode using the interrupts property, which is defined like
+this:
+
+interrupts = <number trigger>, where:
+ - number: GPIO pin (0..31)
+ - trigger: trigger mode:
+	2 = trigger on falling edge
+	3 = trigger on both edges
+
+Example of device using this is:
+
+	funkyfpga@0 {
+		compatible = "funky-fpga";
+		...
+		interrupts = <4 3>;
+		interrupt-parent = <&gpio1>;
+	};
diff --git a/arch/powerpc/sysdev/mpc8xxx_gpio.c b/arch/powerpc/sysdev/mpc8xxx_gpio.c
index 6478eb10691..83f519655fa 100644
--- a/arch/powerpc/sysdev/mpc8xxx_gpio.c
+++ b/arch/powerpc/sysdev/mpc8xxx_gpio.c
@@ -16,6 +16,7 @@
 #include <linux/of_gpio.h>
 #include <linux/gpio.h>
 #include <linux/slab.h>
+#include <linux/irq.h>
 
 #define MPC8XXX_GPIO_PINS	32
 
@@ -35,6 +36,7 @@ struct mpc8xxx_gpio_chip {
 	 * open drain mode safely
 	 */
 	u32 data;
+	struct irq_host *irq;
 };
 
 static inline u32 mpc8xxx_gpio2mask(unsigned int gpio)
@@ -128,12 +130,136 @@ static int mpc8xxx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val
 	return 0;
 }
 
+static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
+{
+	struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
+	struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm);
+
+	if (mpc8xxx_gc->irq && offset < MPC8XXX_GPIO_PINS)
+		return irq_create_mapping(mpc8xxx_gc->irq, offset);
+	else
+		return -ENXIO;
+}
+
+static void mpc8xxx_gpio_irq_cascade(unsigned int irq, struct irq_desc *desc)
+{
+	struct mpc8xxx_gpio_chip *mpc8xxx_gc = get_irq_desc_data(desc);
+	struct of_mm_gpio_chip *mm = &mpc8xxx_gc->mm_gc;
+	unsigned int mask;
+
+	mask = in_be32(mm->regs + GPIO_IER) & in_be32(mm->regs + GPIO_IMR);
+	if (mask)
+		generic_handle_irq(irq_linear_revmap(mpc8xxx_gc->irq,
+						     32 - ffs(mask)));
+}
+
+static void mpc8xxx_irq_unmask(unsigned int virq)
+{
+	struct mpc8xxx_gpio_chip *mpc8xxx_gc = get_irq_chip_data(virq);
+	struct of_mm_gpio_chip *mm = &mpc8xxx_gc->mm_gc;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
+
+	setbits32(mm->regs + GPIO_IMR, mpc8xxx_gpio2mask(virq_to_hw(virq)));
+
+	spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
+}
+
+static void mpc8xxx_irq_mask(unsigned int virq)
+{
+	struct mpc8xxx_gpio_chip *mpc8xxx_gc = get_irq_chip_data(virq);
+	struct of_mm_gpio_chip *mm = &mpc8xxx_gc->mm_gc;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
+
+	clrbits32(mm->regs + GPIO_IMR, mpc8xxx_gpio2mask(virq_to_hw(virq)));
+
+	spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
+}
+
+static void mpc8xxx_irq_ack(unsigned int virq)
+{
+	struct mpc8xxx_gpio_chip *mpc8xxx_gc = get_irq_chip_data(virq);
+	struct of_mm_gpio_chip *mm = &mpc8xxx_gc->mm_gc;
+
+	out_be32(mm->regs + GPIO_IER, mpc8xxx_gpio2mask(virq_to_hw(virq)));
+}
+
+static int mpc8xxx_irq_set_type(unsigned int virq, unsigned int flow_type)
+{
+	struct mpc8xxx_gpio_chip *mpc8xxx_gc = get_irq_chip_data(virq);
+	struct of_mm_gpio_chip *mm = &mpc8xxx_gc->mm_gc;
+	unsigned long flags;
+
+	switch (flow_type) {
+	case IRQ_TYPE_EDGE_FALLING:
+		spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
+		setbits32(mm->regs + GPIO_ICR,
+			  mpc8xxx_gpio2mask(virq_to_hw(virq)));
+		spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
+		break;
+
+	case IRQ_TYPE_EDGE_BOTH:
+		spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
+		clrbits32(mm->regs + GPIO_ICR,
+			  mpc8xxx_gpio2mask(virq_to_hw(virq)));
+		spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct irq_chip mpc8xxx_irq_chip = {
+	.name		= "mpc8xxx-gpio",
+	.unmask		= mpc8xxx_irq_unmask,
+	.mask		= mpc8xxx_irq_mask,
+	.ack		= mpc8xxx_irq_ack,
+	.set_type	= mpc8xxx_irq_set_type,
+};
+
+static int mpc8xxx_gpio_irq_map(struct irq_host *h, unsigned int virq,
+				irq_hw_number_t hw)
+{
+	set_irq_chip_data(virq, h->host_data);
+	set_irq_chip_and_handler(virq, &mpc8xxx_irq_chip, handle_level_irq);
+	set_irq_type(virq, IRQ_TYPE_NONE);
+
+	return 0;
+}
+
+static int mpc8xxx_gpio_irq_xlate(struct irq_host *h, struct device_node *ct,
+				  const u32 *intspec, unsigned int intsize,
+				  irq_hw_number_t *out_hwirq,
+				  unsigned int *out_flags)
+
+{
+	/* interrupt sense values coming from the device tree equal either
+	 * EDGE_FALLING or EDGE_BOTH
+	 */
+	*out_hwirq = intspec[0];
+	*out_flags = intspec[1];
+
+	return 0;
+}
+
+static struct irq_host_ops mpc8xxx_gpio_irq_ops = {
+	.map	= mpc8xxx_gpio_irq_map,
+	.xlate	= mpc8xxx_gpio_irq_xlate,
+};
+
 static void __init mpc8xxx_add_controller(struct device_node *np)
 {
 	struct mpc8xxx_gpio_chip *mpc8xxx_gc;
 	struct of_mm_gpio_chip *mm_gc;
 	struct of_gpio_chip *of_gc;
 	struct gpio_chip *gc;
+	unsigned hwirq;
 	int ret;
 
 	mpc8xxx_gc = kzalloc(sizeof(*mpc8xxx_gc), GFP_KERNEL);
@@ -158,11 +284,32 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
 	else
 		gc->get = mpc8xxx_gpio_get;
 	gc->set = mpc8xxx_gpio_set;
+	gc->to_irq = mpc8xxx_gpio_to_irq;
 
 	ret = of_mm_gpiochip_add(np, mm_gc);
 	if (ret)
 		goto err;
 
+	hwirq = irq_of_parse_and_map(np, 0);
+	if (hwirq == NO_IRQ)
+		goto skip_irq;
+
+	mpc8xxx_gc->irq =
+		irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, MPC8XXX_GPIO_PINS,
+			       &mpc8xxx_gpio_irq_ops, MPC8XXX_GPIO_PINS);
+	if (!mpc8xxx_gc->irq)
+		goto skip_irq;
+
+	mpc8xxx_gc->irq->host_data = mpc8xxx_gc;
+
+	/* ack and mask all irqs */
+	out_be32(mm_gc->regs + GPIO_IER, 0xffffffff);
+	out_be32(mm_gc->regs + GPIO_IMR, 0);
+
+	set_irq_data(hwirq, mpc8xxx_gc);
+	set_irq_chained_handler(hwirq, mpc8xxx_gpio_irq_cascade);
+
+skip_irq:
 	return;
 
 err:

From 18f397c838e50bb2b8d581dcfc73f3d35ee5b1e2 Mon Sep 17 00:00:00 2001
From: Kim Phillips <kim.phillips@freescale.com>
Date: Thu, 22 Apr 2010 19:25:13 -0500
Subject: [PATCH 1753/3638] powerpc: remove tls_ssl_stream descriptor type
 capability in sec3.3 node

Technically, whilst SEC v3.3 h/w honours the tls_ssl_stream descriptor
type, it lacks the ARC4 algorithm execution unit required to be able
to execute anything meaningful with it.  Change the node to agree with
the documentation that declares that the sec3.3 really doesn't have such
a descriptor type.

Reported-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/mpc8315erdb.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts
index 8a3a4f3ef83..508b770d3dd 100644
--- a/arch/powerpc/boot/dts/mpc8315erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8315erdb.dts
@@ -292,7 +292,7 @@
 			fsl,num-channels = <4>;
 			fsl,channel-fifo-len = <24>;
 			fsl,exec-units-mask = <0x97c>;
-			fsl,descriptor-types-mask = <0x3ab0abf>;
+			fsl,descriptor-types-mask = <0x3a30abf>;
 		};
 
 		sata@18000 {

From 7541ef78c3b83e906b580f005207000545cf770a Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@mvista.com>
Date: Thu, 15 Apr 2010 22:36:31 +0400
Subject: [PATCH 1754/3638] powerpc/85xx: Add eTSEC 2.0 support for P1020RDB
 boards

This patch adds support for eTSEC 2.0 as found in P1020.
The changes include introduction of the group nodes for
the etsec nodes.

Signed-off-by: Sandeep Gopalpet <sandeep.kumar@freescale.com>
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/p1020rdb.dts | 119 +++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)

diff --git a/arch/powerpc/boot/dts/p1020rdb.dts b/arch/powerpc/boot/dts/p1020rdb.dts
index df5269093af..49848c545d8 100644
--- a/arch/powerpc/boot/dts/p1020rdb.dts
+++ b/arch/powerpc/boot/dts/p1020rdb.dts
@@ -19,6 +19,9 @@
 	aliases {
 		serial0 = &serial0;
 		serial1 = &serial1;
+		ethernet0 = &enet0;
+		ethernet1 = &enet1;
+		ethernet2 = &enet2;
 		pci0 = &pci0;
 		pci1 = &pci1;
 	};
@@ -346,6 +349,122 @@
 			};
 		};
 
+		mdio@24000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "fsl,etsec2-mdio";
+			reg = <0x24000 0x1000 0xb0030 0x4>;
+
+			phy0: ethernet-phy@0 {
+				interrupt-parent = <&mpic>;
+				interrupts = <3 1>;
+				reg = <0x0>;
+			};
+
+			phy1: ethernet-phy@1 {
+				interrupt-parent = <&mpic>;
+				interrupts = <2 1>;
+				reg = <0x1>;
+			};
+		};
+
+		mdio@25000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "fsl,etsec2-tbi";
+			reg = <0x25000 0x1000 0xb1030 0x4>;
+
+			tbi0: tbi-phy@11 {
+				reg = <0x11>;
+				device_type = "tbi-phy";
+			};
+		};
+
+		enet0: ethernet@b0000 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			device_type = "network";
+			model = "eTSEC";
+			compatible = "fsl,etsec2";
+			fsl,num_rx_queues = <0x8>;
+			fsl,num_tx_queues = <0x8>;
+			local-mac-address = [ 00 00 00 00 00 00 ];
+			interrupt-parent = <&mpic>;
+			fixed-link = <1 1 1000 0 0>;
+			phy-connection-type = "rgmii-id";
+
+			queue-group@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xb0000 0x1000>;
+				interrupts = <29 2 30 2 34 2>;
+			};
+
+			queue-group@1 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xb4000 0x1000>;
+				interrupts = <17 2 18 2 24 2>;
+			};
+		};
+
+		enet1: ethernet@b1000 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			device_type = "network";
+			model = "eTSEC";
+			compatible = "fsl,etsec2";
+			fsl,num_rx_queues = <0x8>;
+			fsl,num_tx_queues = <0x8>;
+			local-mac-address = [ 00 00 00 00 00 00 ];
+			interrupt-parent = <&mpic>;
+			phy-handle = <&phy0>;
+			tbi-handle = <&tbi0>;
+			phy-connection-type = "sgmii";
+
+			queue-group@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xb1000 0x1000>;
+				interrupts = <35 2 36 2 40 2>;
+			};
+
+			queue-group@1 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xb5000 0x1000>;
+				interrupts = <51 2 52 2 67 2>;
+			};
+		};
+
+		enet2: ethernet@b2000 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			device_type = "network";
+			model = "eTSEC";
+			compatible = "fsl,etsec2";
+			fsl,num_rx_queues = <0x8>;
+			fsl,num_tx_queues = <0x8>;
+			local-mac-address = [ 00 00 00 00 00 00 ];
+			interrupt-parent = <&mpic>;
+			phy-handle = <&phy1>;
+			phy-connection-type = "rgmii-id";
+
+			queue-group@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xb2000 0x1000>;
+				interrupts = <31 2 32 2 33 2>;
+			};
+
+			queue-group@1 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xb6000 0x1000>;
+				interrupts = <25 2 26 2 27 2>;
+			};
+		};
+
 		usb@22000 {
 			#address-cells = <1>;
 			#size-cells = <0>;

From 0aedc0085146131da5b04476aab21834b1403b31 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@mvista.com>
Date: Thu, 22 Apr 2010 19:44:47 +0400
Subject: [PATCH 1755/3638] powerpc/85xx: Fix P1020RDB boot hang due USB2

Since USB2 is shared with local bus, either local bus or USB2
should be disabled. By default U-Boot enables local bus, so we
have to disable USB2, otherwise kernel hangs:

 ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
 fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller
 fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1
 fsl-ehci fsl-ehci.0: irq 28, io base 0xffe22000
 fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00
 hub 1-0:1.0: USB hub found
 hub 1-0:1.0: 1 port detected
 fsl-ehci fsl-ehci.1: Freescale On-Chip EHCI Host Controller
 fsl-ehci fsl-ehci.1: new USB bus registered, assigned bus number 2
 <hangs here>

Note that U-Boot doesn't clear 'status' property when it enables
USB2, so we have to comment out the whole node.

To enable USB2, one can issue
'setenv hwconfig usb2:dr_mode=<host|peripheral>' command at the
U-Boot prompt.

Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/p1020rdb.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/boot/dts/p1020rdb.dts b/arch/powerpc/boot/dts/p1020rdb.dts
index 49848c545d8..22f64b62d7f 100644
--- a/arch/powerpc/boot/dts/p1020rdb.dts
+++ b/arch/powerpc/boot/dts/p1020rdb.dts
@@ -475,6 +475,11 @@
 			phy_type = "ulpi";
 		};
 
+		/* USB2 is shared with localbus, so it must be disabled
+		   by default. We can't put 'status = "disabled";' here
+		   since U-Boot doesn't clear the status property when
+		   it enables USB2. OTOH, U-Boot does create a new node
+		   when there isn't any. So, just comment it out.
 		usb@23000 {
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -484,6 +489,7 @@
 			interrupts = <46 0x2>;
 			phy_type = "ulpi";
 		};
+		*/
 
 		sdhci@2e000 {
 			compatible = "fsl,p1020-esdhc", "fsl,esdhc";

From 6971df4f5b0e5b6955c03e8d51bad5d50463f98f Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@mvista.com>
Date: Sun, 2 May 2010 21:27:05 +0400
Subject: [PATCH 1756/3638] powerpc/83xx: Add MCU LEDs support for MPC837xRDB
 and MPC8315RDB boards

There are two front-panel LEDs on MPC837xRDB and MPC8315RDB boards: PWR
and HDD. After adding appropriate nodes we can program these LEDs from
kernel and user space.

Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/mpc8315erdb.dts     | 14 ++++++++++++++
 arch/powerpc/boot/dts/mpc8377_rdb.dts     | 14 ++++++++++++++
 arch/powerpc/boot/dts/mpc8378_rdb.dts     | 14 ++++++++++++++
 arch/powerpc/boot/dts/mpc8379_rdb.dts     | 14 ++++++++++++++
 arch/powerpc/platforms/83xx/mpc831x_rdb.c |  1 +
 arch/powerpc/platforms/83xx/mpc837x_rdb.c |  1 +
 6 files changed, 58 insertions(+)

diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts
index 508b770d3dd..4dd08c32297 100644
--- a/arch/powerpc/boot/dts/mpc8315erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8315erdb.dts
@@ -463,4 +463,18 @@
 				  0 0x00800000>;
 		};
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pwr {
+			gpios = <&mcu_pio 0 0>;
+			default-state = "on";
+		};
+
+		hdd {
+			gpios = <&mcu_pio 1 0>;
+			linux,default-trigger = "ide-disk";
+		};
+	};
 };
diff --git a/arch/powerpc/boot/dts/mpc8377_rdb.dts b/arch/powerpc/boot/dts/mpc8377_rdb.dts
index 9e2264b1000..dbc1b988b29 100644
--- a/arch/powerpc/boot/dts/mpc8377_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8377_rdb.dts
@@ -486,4 +486,18 @@
 				  0 0x00800000>;
 		};
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pwr {
+			gpios = <&mcu_pio 0 0>;
+			default-state = "on";
+		};
+
+		hdd {
+			gpios = <&mcu_pio 1 0>;
+			linux,default-trigger = "ide-disk";
+		};
+	};
 };
diff --git a/arch/powerpc/boot/dts/mpc8378_rdb.dts b/arch/powerpc/boot/dts/mpc8378_rdb.dts
index 4e6a1a407bb..3447eb9f6e8 100644
--- a/arch/powerpc/boot/dts/mpc8378_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8378_rdb.dts
@@ -470,4 +470,18 @@
 				  0 0x00800000>;
 		};
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pwr {
+			gpios = <&mcu_pio 0 0>;
+			default-state = "on";
+		};
+
+		hdd {
+			gpios = <&mcu_pio 1 0>;
+			linux,default-trigger = "ide-disk";
+		};
+	};
 };
diff --git a/arch/powerpc/boot/dts/mpc8379_rdb.dts b/arch/powerpc/boot/dts/mpc8379_rdb.dts
index 72336d50452..15560c619b0 100644
--- a/arch/powerpc/boot/dts/mpc8379_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8379_rdb.dts
@@ -436,4 +436,18 @@
 		compatible = "fsl,mpc8349-pci";
 		device_type = "pci";
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pwr {
+			gpios = <&mcu_pio 0 0>;
+			default-state = "on";
+		};
+
+		hdd {
+			gpios = <&mcu_pio 1 0>;
+			linux,default-trigger = "ide-disk";
+		};
+	};
 };
diff --git a/arch/powerpc/platforms/83xx/mpc831x_rdb.c b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
index 0b4f883b20e..ae525e4745d 100644
--- a/arch/powerpc/platforms/83xx/mpc831x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
@@ -74,6 +74,7 @@ static int __init mpc831x_rdb_probe(void)
 static struct of_device_id __initdata of_bus_ids[] = {
 	{ .compatible = "simple-bus" },
 	{ .compatible = "gianfar" },
+	{ .compatible = "gpio-leds", },
 	{},
 };
 
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index a1908d26124..e00801c4254 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -72,6 +72,7 @@ static struct of_device_id mpc837x_ids[] = {
 	{ .compatible = "soc", },
 	{ .compatible = "simple-bus", },
 	{ .compatible = "gianfar", },
+	{ .compatible = "gpio-leds", },
 	{},
 };
 

From 4c5ddd52695f7bac6362ad13fd3dc878212d1368 Mon Sep 17 00:00:00 2001
From: Timur Tabi <timur@freescale.com>
Date: Mon, 3 May 2010 16:54:15 -0500
Subject: [PATCH 1757/3638] powerpc/8610: add probing for individual DMA
 channels, not just DMA controllers

A future version of the MPC8610 HPCD's ASoC DMA driver will probe on individual
DMA channel nodes, so the DMA controller nodes' compatible string must be listed
in mpc8610_ids[] for the probe to work.

Also remove the "gianfar" compatible from mpc8610_ids[], since there is no
gianfar (or any other networking device) on the 8610.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index 5abe137f630..018cc67be42 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -83,7 +83,8 @@ static struct of_device_id __initdata mpc8610_ids[] = {
 	{ .compatible = "fsl,mpc8610-immr", },
 	{ .compatible = "fsl,mpc8610-guts", },
 	{ .compatible = "simple-bus", },
-	{ .compatible = "gianfar", },
+	/* So that the DMA channel nodes can be probed individually: */
+	{ .compatible = "fsl,eloplus-dma", },
 	{}
 };
 

From 78e2e68a2b79f394b7cd61e07987a8a89af907f7 Mon Sep 17 00:00:00 2001
From: Li Yang <leoli@freescale.com>
Date: Fri, 7 May 2010 16:38:34 +0800
Subject: [PATCH 1758/3638] powerpc/fsl-booke: Fix InstructionTLBError execute
 permission check

In CONFIG_PTE_64BIT the PTE format has unique permission bits for user
and supervisor execute.  However on !CONFIG_PTE_64BIT we overload the
supervisor bit to imply user execute with _PAGE_USER set.  This allows
us to use the same permission check mask for user or supervisor code on
!CONFIG_PTE_64BIT.

However, on CONFIG_PTE_64BIT we map _PAGE_EXEC to _PAGE_BAP_UX so we
need a different permission mask based on the fault coming from a kernel
address or user space.

Without unique permission masks we see issues like the following with
modules:

Unable to handle kernel paging request for instruction fetch
Faulting instruction address: 0xf938d040
Oops: Kernel access of bad area, sig: 11 [#1]

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jin Qing <b24347@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/kernel/head_fsl_booke.S | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 72552654799..edd4a57fd29 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -639,6 +639,13 @@ interrupt_base:
 	rlwinm	r12,r12,0,16,1
 	mtspr	SPRN_MAS1,r12
 
+	/* Make up the required permissions for kernel code */
+#ifdef CONFIG_PTE_64BIT
+	li	r13,_PAGE_PRESENT | _PAGE_BAP_SX
+	oris	r13,r13,_PAGE_ACCESSED@h
+#else
+	li	r13,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC
+#endif
 	b	4f
 
 	/* Get the PGD for the current thread */
@@ -646,15 +653,15 @@ interrupt_base:
 	mfspr	r11,SPRN_SPRG_THREAD
 	lwz	r11,PGDIR(r11)
 
-4:
-	/* Make up the required permissions */
+	/* Make up the required permissions for user code */
 #ifdef CONFIG_PTE_64BIT
-	li	r13,_PAGE_PRESENT | _PAGE_EXEC
+	li	r13,_PAGE_PRESENT | _PAGE_BAP_UX
 	oris	r13,r13,_PAGE_ACCESSED@h
 #else
 	li	r13,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC
 #endif
 
+4:
 	FIND_PTE
 	andc.	r13,r13,r11		/* Check permission */
 

From 78f622377f7d31d988db350a43c5689dd5f31876 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Thu, 13 May 2010 14:38:21 -0500
Subject: [PATCH 1759/3638] powerpc/fsl-booke: Move loadcam_entry back to asm
 code to fix SMP ftrace

When we build with ftrace enabled its possible that loadcam_entry would
have used the stack pointer (even though the code doesn't need it).  We
call loadcam_entry in __secondary_start before the stack is setup.  To
ensure that loadcam_entry doesn't use the stack pointer the easiest
solution is to just have it in asm code.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/kernel/asm-offsets.c |  8 ++++++++
 arch/powerpc/mm/fsl_booke_mmu.c   | 25 +++----------------------
 arch/powerpc/mm/mmu_decl.h        |  8 ++++++++
 arch/powerpc/mm/tlb_nohash_low.S  | 28 ++++++++++++++++++++++++++++
 4 files changed, 47 insertions(+), 22 deletions(-)

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 957ceb7059c..0271b58ec31 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -448,6 +448,14 @@ int main(void)
 	DEFINE(PGD_T_LOG2, PGD_T_LOG2);
 	DEFINE(PTE_T_LOG2, PTE_T_LOG2);
 #endif
+#ifdef CONFIG_FSL_BOOKE
+	DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam));
+	DEFINE(TLBCAM_MAS0, offsetof(struct tlbcam, MAS0));
+	DEFINE(TLBCAM_MAS1, offsetof(struct tlbcam, MAS1));
+	DEFINE(TLBCAM_MAS2, offsetof(struct tlbcam, MAS2));
+	DEFINE(TLBCAM_MAS3, offsetof(struct tlbcam, MAS3));
+	DEFINE(TLBCAM_MAS7, offsetof(struct tlbcam, MAS7));
+#endif
 
 #ifdef CONFIG_KVM_EXIT_TIMING
 	DEFINE(VCPU_TIMING_EXIT_TBU, offsetof(struct kvm_vcpu,
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index 1ed6b52f303..cdc7526e9c9 100644
--- a/arch/powerpc/mm/fsl_booke_mmu.c
+++ b/arch/powerpc/mm/fsl_booke_mmu.c
@@ -2,7 +2,7 @@
  * Modifications by Kumar Gala (galak@kernel.crashing.org) to support
  * E500 Book E processors.
  *
- * Copyright 2004 Freescale Semiconductor, Inc
+ * Copyright 2004,2010 Freescale Semiconductor, Inc.
  *
  * This file contains the routines for initializing the MMU
  * on the 4xx series of chips.
@@ -56,19 +56,13 @@
 
 unsigned int tlbcam_index;
 
-#define NUM_TLBCAMS	(64)
 
 #if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS)
 #error "LOWMEM_CAM_NUM must be less than NUM_TLBCAMS"
 #endif
 
-struct tlbcam {
-	u32	MAS0;
-	u32	MAS1;
-	unsigned long	MAS2;
-	u32	MAS3;
-	u32	MAS7;
-} TLBCAM[NUM_TLBCAMS];
+#define NUM_TLBCAMS	(64)
+struct tlbcam TLBCAM[NUM_TLBCAMS];
 
 struct tlbcamrange {
 	unsigned long start;
@@ -109,19 +103,6 @@ unsigned long p_mapped_by_tlbcam(phys_addr_t pa)
 	return 0;
 }
 
-void loadcam_entry(int idx)
-{
-	mtspr(SPRN_MAS0, TLBCAM[idx].MAS0);
-	mtspr(SPRN_MAS1, TLBCAM[idx].MAS1);
-	mtspr(SPRN_MAS2, TLBCAM[idx].MAS2);
-	mtspr(SPRN_MAS3, TLBCAM[idx].MAS3);
-
-	if (mmu_has_feature(MMU_FTR_BIG_PHYS))
-		mtspr(SPRN_MAS7, TLBCAM[idx].MAS7);
-
-	asm volatile("isync;tlbwe;isync" : : : "memory");
-}
-
 /*
  * Set up one of the I/D BAT (block address translation) register pairs.
  * The parameters are not checked; in particular size must be a power
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index eb11d5d2aa9..63b84a0d3b1 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -144,7 +144,15 @@ extern unsigned long mmu_mapin_ram(unsigned long top);
 extern void MMU_init_hw(void);
 extern unsigned long mmu_mapin_ram(unsigned long top);
 extern void adjust_total_lowmem(void);
+extern void loadcam_entry(unsigned int index);
 
+struct tlbcam {
+	u32	MAS0;
+	u32	MAS1;
+	unsigned long	MAS2;
+	u32	MAS3;
+	u32	MAS7;
+};
 #elif defined(CONFIG_PPC32)
 /* anything 32-bit except 4xx or 8xx */
 extern void MMU_init_hw(void);
diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S
index e925cb58afd..cfa768203d0 100644
--- a/arch/powerpc/mm/tlb_nohash_low.S
+++ b/arch/powerpc/mm/tlb_nohash_low.S
@@ -365,3 +365,31 @@ _GLOBAL(set_context)
 #else
 #error Unsupported processor type !
 #endif
+
+#if defined(CONFIG_FSL_BOOKE)
+/*
+ * extern void loadcam_entry(unsigned int index)
+ *
+ * Load TLBCAM[index] entry in to the L2 CAM MMU
+ */
+_GLOBAL(loadcam_entry)
+	LOAD_REG_ADDR(r4, TLBCAM)
+	mulli	r5,r3,TLBCAM_SIZE
+	add	r3,r5,r4
+	lwz	r4,TLBCAM_MAS0(r3)
+	mtspr	SPRN_MAS0,r4
+	lwz	r4,TLBCAM_MAS1(r3)
+	mtspr	SPRN_MAS1,r4
+	PPC_LL	r4,TLBCAM_MAS2(r3)
+	mtspr	SPRN_MAS2,r4
+	lwz	r4,TLBCAM_MAS3(r3)
+	mtspr	SPRN_MAS3,r4
+BEGIN_MMU_FTR_SECTION
+	lwz	r4,TLBCAM_MAS7(r3)
+	mtspr	SPRN_MAS7,r4
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_BIG_PHYS)
+	isync
+	tlbwe
+	isync
+	blr
+#endif

From d5c051f1080e0eec55f3fc42c37d941681941628 Mon Sep 17 00:00:00 2001
From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Tue, 27 Apr 2010 13:15:00 -0300
Subject: [PATCH 1760/3638] classmate-laptop: Add RFKILL support.

The RFKILL device shares the same ACPI device used for backlight. So, it
required a new struct sharing both a backlight_device and a rfkill
device.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
---
 drivers/platform/x86/classmate-laptop.c | 170 +++++++++++++++++++++---
 1 file changed, 148 insertions(+), 22 deletions(-)

diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 7f9e5ddc949..3bf399fe2bb 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -24,6 +24,7 @@
 #include <acpi/acpi_drivers.h>
 #include <linux/backlight.h>
 #include <linux/input.h>
+#include <linux/rfkill.h>
 
 MODULE_LICENSE("GPL");
 
@@ -37,7 +38,7 @@ struct cmpc_accel {
 
 #define CMPC_ACCEL_HID		"ACCE0000"
 #define CMPC_TABLET_HID		"TBLT0000"
-#define CMPC_BL_HID		"IPML200"
+#define CMPC_IPML_HID	"IPML200"
 #define CMPC_KEYS_HID		"FnBT0000"
 
 /*
@@ -461,43 +462,168 @@ static const struct backlight_ops cmpc_bl_ops = {
 	.update_status = cmpc_bl_update_status
 };
 
-static int cmpc_bl_add(struct acpi_device *acpi)
+/*
+ * RFKILL code.
+ */
+
+static acpi_status cmpc_get_rfkill_wlan(acpi_handle handle,
+					unsigned long long *value)
 {
-	struct backlight_properties props;
+	union acpi_object param;
+	struct acpi_object_list input;
+	unsigned long long output;
+	acpi_status status;
+
+	param.type = ACPI_TYPE_INTEGER;
+	param.integer.value = 0xC1;
+	input.count = 1;
+	input.pointer = &param;
+	status = acpi_evaluate_integer(handle, "GRDI", &input, &output);
+	if (ACPI_SUCCESS(status))
+		*value = output;
+	return status;
+}
+
+static acpi_status cmpc_set_rfkill_wlan(acpi_handle handle,
+					unsigned long long value)
+{
+	union acpi_object param[2];
+	struct acpi_object_list input;
+	acpi_status status;
+	unsigned long long output;
+
+	param[0].type = ACPI_TYPE_INTEGER;
+	param[0].integer.value = 0xC1;
+	param[1].type = ACPI_TYPE_INTEGER;
+	param[1].integer.value = value;
+	input.count = 2;
+	input.pointer = param;
+	status = acpi_evaluate_integer(handle, "GWRI", &input, &output);
+	return status;
+}
+
+static void cmpc_rfkill_query(struct rfkill *rfkill, void *data)
+{
+	acpi_status status;
+	acpi_handle handle;
+	unsigned long long state;
+	bool blocked;
+
+	handle = data;
+	status = cmpc_get_rfkill_wlan(handle, &state);
+	if (ACPI_SUCCESS(status)) {
+		blocked = state & 1 ? false : true;
+		rfkill_set_sw_state(rfkill, blocked);
+	}
+}
+
+static int cmpc_rfkill_block(void *data, bool blocked)
+{
+	acpi_status status;
+	acpi_handle handle;
+	unsigned long long state;
+
+	handle = data;
+	status = cmpc_get_rfkill_wlan(handle, &state);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+	if (blocked)
+		state &= ~1;
+	else
+		state |= 1;
+	status = cmpc_set_rfkill_wlan(handle, state);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+	return 0;
+}
+
+static const struct rfkill_ops cmpc_rfkill_ops = {
+	.query = cmpc_rfkill_query,
+	.set_block = cmpc_rfkill_block,
+};
+
+/*
+ * Common backlight and rfkill code.
+ */
+
+struct ipml200_dev {
 	struct backlight_device *bd;
+	struct rfkill *rf;
+};
+
+static int cmpc_ipml_add(struct acpi_device *acpi)
+{
+	int retval;
+	struct ipml200_dev *ipml;
+	struct backlight_properties props;
+
+	ipml = kmalloc(sizeof(*ipml), GFP_KERNEL);
+	if (ipml == NULL)
+		return -ENOMEM;
 
 	memset(&props, 0, sizeof(struct backlight_properties));
 	props.max_brightness = 7;
-	bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle,
-				       &cmpc_bl_ops, &props);
-	if (IS_ERR(bd))
-		return PTR_ERR(bd);
-	dev_set_drvdata(&acpi->dev, bd);
+	ipml->bd = backlight_device_register("cmpc_bl", &acpi->dev,
+					     acpi->handle, &cmpc_bl_ops,
+					     &props);
+	if (IS_ERR(ipml->bd)) {
+		retval = PTR_ERR(ipml->bd);
+		goto out_bd;
+	}
+
+	ipml->rf = rfkill_alloc("cmpc_rfkill", &acpi->dev, RFKILL_TYPE_WLAN,
+				&cmpc_rfkill_ops, acpi->handle);
+	/* rfkill_alloc may fail if RFKILL is disabled. We should still work
+	 * anyway. */
+	if (!IS_ERR(ipml->rf)) {
+		retval = rfkill_register(ipml->rf);
+		if (retval) {
+			rfkill_destroy(ipml->rf);
+			ipml->rf = NULL;
+		}
+	} else {
+		ipml->rf = NULL;
+	}
+
+	dev_set_drvdata(&acpi->dev, ipml);
 	return 0;
+
+out_bd:
+	kfree(ipml);
+	return retval;
 }
 
-static int cmpc_bl_remove(struct acpi_device *acpi, int type)
+static int cmpc_ipml_remove(struct acpi_device *acpi, int type)
 {
-	struct backlight_device *bd;
+	struct ipml200_dev *ipml;
+
+	ipml = dev_get_drvdata(&acpi->dev);
+
+	backlight_device_unregister(ipml->bd);
+
+	if (ipml->rf) {
+		rfkill_unregister(ipml->rf);
+		rfkill_destroy(ipml->rf);
+	}
+
+	kfree(ipml);
 
-	bd = dev_get_drvdata(&acpi->dev);
-	backlight_device_unregister(bd);
 	return 0;
 }
 
-static const struct acpi_device_id cmpc_bl_device_ids[] = {
-	{CMPC_BL_HID, 0},
+static const struct acpi_device_id cmpc_ipml_device_ids[] = {
+	{CMPC_IPML_HID, 0},
 	{"", 0}
 };
 
-static struct acpi_driver cmpc_bl_acpi_driver = {
+static struct acpi_driver cmpc_ipml_acpi_driver = {
 	.owner = THIS_MODULE,
 	.name = "cmpc",
 	.class = "cmpc",
-	.ids = cmpc_bl_device_ids,
+	.ids = cmpc_ipml_device_ids,
 	.ops = {
-		.add = cmpc_bl_add,
-		.remove = cmpc_bl_remove
+		.add = cmpc_ipml_add,
+		.remove = cmpc_ipml_remove
 	}
 };
 
@@ -580,7 +706,7 @@ static int cmpc_init(void)
 	if (r)
 		goto failed_keys;
 
-	r = acpi_bus_register_driver(&cmpc_bl_acpi_driver);
+	r = acpi_bus_register_driver(&cmpc_ipml_acpi_driver);
 	if (r)
 		goto failed_bl;
 
@@ -598,7 +724,7 @@ failed_accel:
 	acpi_bus_unregister_driver(&cmpc_tablet_acpi_driver);
 
 failed_tablet:
-	acpi_bus_unregister_driver(&cmpc_bl_acpi_driver);
+	acpi_bus_unregister_driver(&cmpc_ipml_acpi_driver);
 
 failed_bl:
 	acpi_bus_unregister_driver(&cmpc_keys_acpi_driver);
@@ -611,7 +737,7 @@ static void cmpc_exit(void)
 {
 	acpi_bus_unregister_driver(&cmpc_accel_acpi_driver);
 	acpi_bus_unregister_driver(&cmpc_tablet_acpi_driver);
-	acpi_bus_unregister_driver(&cmpc_bl_acpi_driver);
+	acpi_bus_unregister_driver(&cmpc_ipml_acpi_driver);
 	acpi_bus_unregister_driver(&cmpc_keys_acpi_driver);
 }
 
@@ -621,7 +747,7 @@ module_exit(cmpc_exit);
 static const struct acpi_device_id cmpc_device_ids[] = {
 	{CMPC_ACCEL_HID, 0},
 	{CMPC_TABLET_HID, 0},
-	{CMPC_BL_HID, 0},
+	{CMPC_IPML_HID, 0},
 	{CMPC_KEYS_HID, 0},
 	{"", 0}
 };

From 9a58a3333923c7fef4ba6ac9afd817429e63a1fe Mon Sep 17 00:00:00 2001
From: Sreedhara DS <sreedhara.ds@intel.com>
Date: Mon, 26 Apr 2010 18:13:05 +0100
Subject: [PATCH 1761/3638] IPC driver for Intel Mobile Internet Device (MID)
 platforms

The IPC (inter processor communications) is used to provide the
communications between kernel and system control units on some embedded
Intel x86 platforms.

(Various bits of clean up and restructuring by Alan Cox)

Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
 arch/x86/include/asm/intel_scu_ipc.h |  55 ++
 drivers/platform/x86/Kconfig         |   8 +
 drivers/platform/x86/Makefile        |   1 +
 drivers/platform/x86/intel_scu_ipc.c | 829 +++++++++++++++++++++++++++
 4 files changed, 893 insertions(+)
 create mode 100644 arch/x86/include/asm/intel_scu_ipc.h
 create mode 100644 drivers/platform/x86/intel_scu_ipc.c

diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h
new file mode 100644
index 00000000000..4470c9ad4a3
--- /dev/null
+++ b/arch/x86/include/asm/intel_scu_ipc.h
@@ -0,0 +1,55 @@
+#ifndef _ASM_X86_INTEL_SCU_IPC_H_
+#define  _ASM_X86_INTEL_SCU_IPC_H_
+
+/* Read single register */
+int intel_scu_ipc_ioread8(u16 addr, u8 *data);
+
+/* Read two sequential registers */
+int intel_scu_ipc_ioread16(u16 addr, u16 *data);
+
+/* Read four sequential registers */
+int intel_scu_ipc_ioread32(u16 addr, u32 *data);
+
+/* Read a vector */
+int intel_scu_ipc_readv(u16 *addr, u8 *data, int len);
+
+/* Write single register */
+int intel_scu_ipc_iowrite8(u16 addr, u8 data);
+
+/* Write two sequential registers */
+int intel_scu_ipc_iowrite16(u16 addr, u16 data);
+
+/* Write four sequential registers */
+int intel_scu_ipc_iowrite32(u16 addr, u32 data);
+
+/* Write a vector */
+int intel_scu_ipc_writev(u16 *addr, u8 *data, int len);
+
+/* Update single register based on the mask */
+int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask);
+
+/*
+ * Indirect register read
+ * Can be used when SCCB(System Controller Configuration Block) register
+ * HRIM(Honor Restricted IPC Messages) is set (bit 23)
+ */
+int intel_scu_ipc_register_read(u32 addr, u32 *data);
+
+/*
+ * Indirect register write
+ * Can be used when SCCB(System Controller Configuration Block) register
+ * HRIM(Honor Restricted IPC Messages) is set (bit 23)
+ */
+int intel_scu_ipc_register_write(u32 addr, u32 data);
+
+/* Issue commands to the SCU with or without data */
+int intel_scu_ipc_simple_command(int cmd, int sub);
+int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
+							u32 *out, int outlen);
+/* I2C control api */
+int intel_scu_ipc_i2c_cntrl(u32 addr, u32 *data);
+
+/* Update FW version */
+int intel_scu_ipc_fw_update(u8 *buffer, u32 length);
+
+#endif
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 6c3320d7505..619134151ca 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -527,4 +527,12 @@ config ACPI_CMPC
 	  keys as input device, backlight device, tablet and accelerometer
 	  devices.
 
+config INTEL_SCU_IPC
+	bool "Intel SCU IPC Support"
+	depends on X86_MRST
+	default y
+	---help---
+	  IPC is used to bridge the communications between kernel and SCU on
+	  some embedded Intel x86 platforms.
+
 endif # X86_PLATFORM_DEVICES
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index a906490e353..8770bfe7143 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -25,3 +25,4 @@ obj-$(CONFIG_ACPI_ASUS)		+= asus_acpi.o
 obj-$(CONFIG_TOPSTAR_LAPTOP)	+= topstar-laptop.o
 obj-$(CONFIG_ACPI_TOSHIBA)	+= toshiba_acpi.o
 obj-$(CONFIG_TOSHIBA_BT_RFKILL)	+= toshiba_bluetooth.o
+obj-$(CONFIG_INTEL_SCU_IPC)	+= intel_scu_ipc.o
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
new file mode 100644
index 00000000000..576c3ed9243
--- /dev/null
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -0,0 +1,829 @@
+/*
+ * intel_scu_ipc.c: Driver for the Intel SCU IPC mechanism
+ *
+ * (C) Copyright 2008-2010 Intel Corporation
+ * Author: Sreedhara DS (sreedhara.ds@intel.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ *
+ * SCU runing in ARC processor communicates with other entity running in IA
+ * core through IPC mechanism which in turn messaging between IA core ad SCU.
+ * SCU has two IPC mechanism IPC-1 and IPC-2. IPC-1 is used between IA32 and
+ * SCU where IPC-2 is used between P-Unit and SCU. This driver delas with
+ * IPC-1 Driver provides an API for power control unit registers (e.g. MSIC)
+ * along with other APIs.
+ */
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/sysdev.h>
+#include <linux/pm.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <asm/setup.h>
+#include <asm/intel_scu_ipc.h>
+
+/* IPC defines the following message types */
+#define IPCMSG_WATCHDOG_TIMER 0xF8 /* Set Kernel Watchdog Threshold */
+#define IPCMSG_BATTERY        0xEF /* Coulomb Counter Accumulator */
+#define IPCMSG_FW_UPDATE      0xFE /* Firmware update */
+#define IPCMSG_PCNTRL         0xFF /* Power controller unit read/write */
+#define IPCMSG_FW_REVISION    0xF4 /* Get firmware revision */
+
+/* Command id associated with message IPCMSG_PCNTRL */
+#define IPC_CMD_PCNTRL_W      0 /* Register write */
+#define IPC_CMD_PCNTRL_R      1 /* Register read */
+#define IPC_CMD_PCNTRL_M      2 /* Register read-modify-write */
+
+/* Miscelaneous Command ids */
+#define IPC_CMD_INDIRECT_RD   2 /* 32bit indirect read */
+#define IPC_CMD_INDIRECT_WR   5 /* 32bit indirect write */
+
+/*
+ * IPC register summary
+ *
+ * IPC register blocks are memory mapped at fixed address of 0xFF11C000
+ * To read or write information to the SCU, driver writes to IPC-1 memory
+ * mapped registers (base address 0xFF11C000). The following is the IPC
+ * mechanism
+ *
+ * 1. IA core cDMI interface claims this transaction and converts it to a
+ *    Transaction Layer Packet (TLP) message which is sent across the cDMI.
+ *
+ * 2. South Complex cDMI block receives this message and writes it to
+ *    the IPC-1 register block, causing an interrupt to the SCU
+ *
+ * 3. SCU firmware decodes this interrupt and IPC message and the appropriate
+ *    message handler is called within firmware.
+ */
+
+#define IPC_BASE_ADDR     0xFF11C000	/* IPC1 base register address */
+#define IPC_MAX_ADDR      0x100		/* Maximum IPC regisers */
+#define IPC_WWBUF_SIZE    16		/* IPC Write buffer Size */
+#define IPC_RWBUF_SIZE    16		/* IPC Read buffer Size */
+#define IPC_I2C_BASE      0xFF12B000	/* I2C control register base address */
+#define IPC_I2C_MAX_ADDR  0x10		/* Maximum I2C regisers */
+
+static int ipc_probe(struct pci_dev *dev, const struct pci_device_id *id);
+static void ipc_remove(struct pci_dev *pdev);
+
+struct intel_scu_ipc_dev {
+	struct pci_dev *pdev;
+	void __iomem *ipc_base;
+	void __iomem *i2c_base;
+};
+
+static struct intel_scu_ipc_dev  ipcdev; /* Only one for now */
+
+static int platform = 1;
+module_param(platform, int, 0);
+MODULE_PARM_DESC(platform, "1 for moorestown platform");
+
+
+
+
+/*
+ * IPC Read Buffer (Read Only):
+ * 16 byte buffer for receiving data from SCU, if IPC command
+ * processing results in response data
+ */
+#define IPC_READ_BUFFER		0x90
+
+#define IPC_I2C_CNTRL_ADDR	0
+#define I2C_DATA_ADDR		0x04
+
+static DEFINE_MUTEX(ipclock); /* lock used to prevent multiple call to SCU */
+
+/*
+ * Command Register (Write Only):
+ * A write to this register results in an interrupt to the SCU core processor
+ * Format:
+ * |rfu2(8) | size(8) | command id(4) | rfu1(3) | ioc(1) | command(8)|
+ */
+static inline void ipc_command(u32 cmd) /* Send ipc command */
+{
+	writel(cmd, ipcdev.ipc_base);
+}
+
+/*
+ * IPC Write Buffer (Write Only):
+ * 16-byte buffer for sending data associated with IPC command to
+ * SCU. Size of the data is specified in the IPC_COMMAND_REG register
+ */
+static inline void ipc_data_writel(u32 data, u32 offset) /* Write ipc data */
+{
+	writel(data, ipcdev.ipc_base + 0x80 + offset);
+}
+
+/*
+ * IPC destination Pointer (Write Only):
+ * Use content as pointer for destination write
+ */
+static inline void ipc_write_dptr(u32 data) /* Write dptr data */
+{
+	writel(data, ipcdev.ipc_base + 0x0C);
+}
+
+/*
+ * IPC Source Pointer (Write Only):
+ * Use content as pointer for read location
+*/
+static inline void ipc_write_sptr(u32 data) /* Write dptr data */
+{
+	writel(data, ipcdev.ipc_base + 0x08);
+}
+
+/*
+ * Status Register (Read Only):
+ * Driver will read this register to get the ready/busy status of the IPC
+ * block and error status of the IPC command that was just processed by SCU
+ * Format:
+ * |rfu3(8)|error code(8)|initiator id(8)|cmd id(4)|rfu1(2)|error(1)|busy(1)|
+ */
+
+static inline u8 ipc_read_status(void)
+{
+	return __raw_readl(ipcdev.ipc_base + 0x04);
+}
+
+static inline u8 ipc_data_readb(u32 offset) /* Read ipc byte data */
+{
+	return readb(ipcdev.ipc_base + IPC_READ_BUFFER + offset);
+}
+
+static inline u8 ipc_data_readl(u32 offset) /* Read ipc u32 data */
+{
+	return readl(ipcdev.ipc_base + IPC_READ_BUFFER + offset);
+}
+
+static inline int busy_loop(void) /* Wait till scu status is busy */
+{
+	u32 status = 0;
+	u32 loop_count = 0;
+
+	status = ipc_read_status();
+	while (status & 1) {
+		udelay(1); /* scu processing time is in few u secods */
+		status = ipc_read_status();
+		loop_count++;
+		/* break if scu doesn't reset busy bit after huge retry */
+		if (loop_count > 100000) {
+			dev_err(&ipcdev.pdev->dev, "IPC timed out");
+			return -ETIMEDOUT;
+		}
+	}
+	return (status >> 1) & 1;
+}
+
+/* Read/Write power control(PMIC in Langwell, MSIC in PenWell) registers */
+static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
+{
+	int nc;
+	u32 offset = 0;
+	u32 err = 0;
+	u8 cbuf[IPC_WWBUF_SIZE] = { '\0' };
+	u32 *wbuf = (u32 *)&cbuf;
+
+	mutex_lock(&ipclock);
+	if (ipcdev.pdev == NULL) {
+		mutex_unlock(&ipclock);
+		return -ENODEV;
+	}
+
+	if (platform == 1) {
+		/* Entry is 4 bytes for read/write, 5 bytes for read modify */
+		for (nc = 0; nc < count; nc++) {
+			cbuf[offset] = addr[nc];
+			cbuf[offset + 1] = addr[nc] >> 8;
+			if (id != IPC_CMD_PCNTRL_R)
+				cbuf[offset + 2] = data[nc];
+			if (id == IPC_CMD_PCNTRL_M) {
+				cbuf[offset + 3] = data[nc + 1];
+				offset += 1;
+			}
+			offset += 3;
+		}
+		for (nc = 0, offset = 0; nc < count; nc++, offset += 4)
+			ipc_data_writel(wbuf[nc], offset); /* Write wbuff */
+
+	} else {
+		for (nc = 0, offset = 0; nc < count; nc++, offset += 2)
+			ipc_data_writel(addr[nc], offset); /* Write addresses */
+		if (id != IPC_CMD_PCNTRL_R) {
+			for (nc = 0; nc < count; nc++, offset++)
+				ipc_data_writel(data[nc], offset); /* Write data */
+			if (id == IPC_CMD_PCNTRL_M)
+				ipc_data_writel(data[nc + 1], offset); /* Mask value*/
+		}
+	}
+
+	if (id != IPC_CMD_PCNTRL_M)
+		ipc_command((count * 3) << 16 |  id << 12 | 0 << 8 | op);
+	else
+		ipc_command((count * 4) << 16 |  id << 12 | 0 << 8 | op);
+
+	err = busy_loop();
+
+	if (id == IPC_CMD_PCNTRL_R) { /* Read rbuf */
+		/* Workaround: values are read as 0 without memcpy_fromio */
+		memcpy_fromio(cbuf, ipcdev.ipc_base + IPC_READ_BUFFER, 16);
+		if (platform == 1) {
+			for (nc = 0, offset = 2; nc < count; nc++, offset += 3)
+				data[nc] = ipc_data_readb(offset);
+		} else {
+			for (nc = 0; nc < count; nc++)
+				data[nc] = ipc_data_readb(nc);
+		}
+	}
+	mutex_unlock(&ipclock);
+	return err;
+}
+
+/**
+ *	intel_scu_ipc_ioread8		-	read a word via the SCU
+ *	@addr: register on SCU
+ *	@data: return pointer for read byte
+ *
+ *	Read a single register. Returns 0 on success or an error code. All
+ *	locking between SCU accesses is handled for the caller.
+ *
+ *	This function may sleep.
+ */
+int intel_scu_ipc_ioread8(u16 addr, u8 *data)
+{
+	return pwr_reg_rdwr(&addr, data, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
+}
+EXPORT_SYMBOL(intel_scu_ipc_ioread8);
+
+/**
+ *	intel_scu_ipc_ioread16		-	read a word via the SCU
+ *	@addr: register on SCU
+ *	@data: return pointer for read word
+ *
+ *	Read a register pair. Returns 0 on success or an error code. All
+ *	locking between SCU accesses is handled for the caller.
+ *
+ *	This function may sleep.
+ */
+int intel_scu_ipc_ioread16(u16 addr, u16 *data)
+{
+	u16 x[2] = {addr, addr + 1 };
+	return pwr_reg_rdwr(x, (u8 *)data, 2, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
+}
+EXPORT_SYMBOL(intel_scu_ipc_ioread16);
+
+/**
+ *	intel_scu_ipc_ioread32		-	read a dword via the SCU
+ *	@addr: register on SCU
+ *	@data: return pointer for read dword
+ *
+ *	Read four registers. Returns 0 on success or an error code. All
+ *	locking between SCU accesses is handled for the caller.
+ *
+ *	This function may sleep.
+ */
+int intel_scu_ipc_ioread32(u16 addr, u32 *data)
+{
+	u16 x[4] = {addr, addr + 1, addr + 2, addr + 3};
+	return pwr_reg_rdwr(x, (u8 *)data, 4, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
+}
+EXPORT_SYMBOL(intel_scu_ipc_ioread32);
+
+/**
+ *	intel_scu_ipc_iowrite8		-	write a byte via the SCU
+ *	@addr: register on SCU
+ *	@data: byte to write
+ *
+ *	Write a single register. Returns 0 on success or an error code. All
+ *	locking between SCU accesses is handled for the caller.
+ *
+ *	This function may sleep.
+ */
+int intel_scu_ipc_iowrite8(u16 addr, u8 data)
+{
+	return pwr_reg_rdwr(&addr, &data, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
+}
+EXPORT_SYMBOL(intel_scu_ipc_iowrite8);
+
+/**
+ *	intel_scu_ipc_iowrite16		-	write a word via the SCU
+ *	@addr: register on SCU
+ *	@data: word to write
+ *
+ *	Write two registers. Returns 0 on success or an error code. All
+ *	locking between SCU accesses is handled for the caller.
+ *
+ *	This function may sleep.
+ */
+int intel_scu_ipc_iowrite16(u16 addr, u16 data)
+{
+	u16 x[2] = {addr, addr + 1 };
+	return pwr_reg_rdwr(x, (u8 *)&data, 2, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
+}
+EXPORT_SYMBOL(intel_scu_ipc_iowrite16);
+
+/**
+ *	intel_scu_ipc_iowrite32		-	write a dword via the SCU
+ *	@addr: register on SCU
+ *	@data: dword to write
+ *
+ *	Write four registers. Returns 0 on success or an error code. All
+ *	locking between SCU accesses is handled for the caller.
+ *
+ *	This function may sleep.
+ */
+int intel_scu_ipc_iowrite32(u16 addr, u32 data)
+{
+	u16 x[4] = {addr, addr + 1, addr + 2, addr + 3};
+	return pwr_reg_rdwr(x, (u8 *)&data, 4, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
+}
+EXPORT_SYMBOL(intel_scu_ipc_iowrite32);
+
+/**
+ *	intel_scu_ipc_readvv		-	read a set of registers
+ *	@addr: register list
+ *	@data: bytes to return
+ *	@len: length of array
+ *
+ *	Read registers. Returns 0 on success or an error code. All
+ *	locking between SCU accesses is handled for the caller.
+ *
+ *	The largest array length permitted by the hardware is 5 items.
+ *
+ *	This function may sleep.
+ */
+int intel_scu_ipc_readv(u16 *addr, u8 *data, int len)
+{
+	return pwr_reg_rdwr(addr, data, len, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
+}
+EXPORT_SYMBOL(intel_scu_ipc_readv);
+
+/**
+ *	intel_scu_ipc_writev		-	write a set of registers
+ *	@addr: register list
+ *	@data: bytes to write
+ *	@len: length of array
+ *
+ *	Write registers. Returns 0 on success or an error code. All
+ *	locking between SCU accesses is handled for the caller.
+ *
+ *	The largest array length permitted by the hardware is 5 items.
+ *
+ *	This function may sleep.
+ *
+ */
+int intel_scu_ipc_writev(u16 *addr, u8 *data, int len)
+{
+	return pwr_reg_rdwr(addr, data, len, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
+}
+EXPORT_SYMBOL(intel_scu_ipc_writev);
+
+
+/**
+ *	intel_scu_ipc_update_register	-	r/m/w a register
+ *	@addr: register address
+ *	@bits: bits to update
+ *	@mask: mask of bits to update
+ *
+ *	Read-modify-write power control unit register. The first data argument
+ *	must be register value and second is mask value
+ *	mask is a bitmap that indicates which bits to update.
+ *	0 = masked. Don't modify this bit, 1 = modify this bit.
+ *	returns 0 on success or an error code.
+ *
+ *	This function may sleep. Locking between SCU accesses is handled
+ *	for the caller.
+ */
+int intel_scu_ipc_update_register(u16 addr, u8 bits, u8 mask)
+{
+	u8 data[2] = { bits, mask };
+	return pwr_reg_rdwr(&addr, data, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_M);
+}
+EXPORT_SYMBOL(intel_scu_ipc_update_register);
+
+/**
+ *	intel_scu_ipc_register_read	-	32bit indirect read
+ *	@addr: register address
+ *	@value: 32bit value return
+ *
+ *	Performs IA 32 bit indirect read, returns 0 on success, or an
+ *	error code.
+ *
+ *	Can be used when SCCB(System Controller Configuration Block) register
+ *	HRIM(Honor Restricted IPC Messages) is set (bit 23)
+ *
+ *	This function may sleep. Locking for SCU accesses is handled for
+ *	the caller.
+ */
+int intel_scu_ipc_register_read(u32 addr, u32 *value)
+{
+	u32 err = 0;
+
+	mutex_lock(&ipclock);
+	if (ipcdev.pdev == NULL) {
+		mutex_unlock(&ipclock);
+		return -ENODEV;
+	}
+	ipc_write_sptr(addr);
+	ipc_command(4 << 16 | IPC_CMD_INDIRECT_RD);
+	err = busy_loop();
+	*value = ipc_data_readl(0);
+	mutex_unlock(&ipclock);
+	return err;
+}
+EXPORT_SYMBOL(intel_scu_ipc_register_read);
+
+/**
+ *	intel_scu_ipc_register_write	-	32bit indirect write
+ *	@addr: register address
+ *	@value: 32bit value to write
+ *
+ *	Performs IA 32 bit indirect write, returns 0 on success, or an
+ *	error code.
+ *
+ *	Can be used when SCCB(System Controller Configuration Block) register
+ *	HRIM(Honor Restricted IPC Messages) is set (bit 23)
+ *
+ *	This function may sleep. Locking for SCU accesses is handled for
+ *	the caller.
+ */
+int intel_scu_ipc_register_write(u32 addr, u32 value)
+{
+	u32 err = 0;
+
+	mutex_lock(&ipclock);
+	if (ipcdev.pdev == NULL) {
+		mutex_unlock(&ipclock);
+		return -ENODEV;
+	}
+	ipc_write_dptr(addr);
+	ipc_data_writel(value, 0);
+	ipc_command(4 << 16 | IPC_CMD_INDIRECT_WR);
+	err = busy_loop();
+	mutex_unlock(&ipclock);
+	return err;
+}
+EXPORT_SYMBOL(intel_scu_ipc_register_write);
+
+/**
+ *	intel_scu_ipc_simple_command	-	send a simple command
+ *	@cmd: command
+ *	@sub: sub type
+ *
+ *	Issue a simple command to the SCU. Do not use this interface if
+ *	you must then access data as any data values may be overwritten
+ *	by another SCU access by the time this function returns.
+ *
+ *	This function may sleep. Locking for SCU accesses is handled for
+ *	the caller.
+ */
+int intel_scu_ipc_simple_command(int cmd, int sub)
+{
+	u32 err = 0;
+
+	mutex_lock(&ipclock);
+	if (ipcdev.pdev == NULL) {
+		mutex_unlock(&ipclock);
+		return -ENODEV;
+	}
+	ipc_command(cmd << 12 | sub);
+	err = busy_loop();
+	mutex_unlock(&ipclock);
+	return err;
+}
+EXPORT_SYMBOL(intel_scu_ipc_simple_command);
+
+/**
+ *	intel_scu_ipc_command	-	command with data
+ *	@cmd: command
+ *	@sub: sub type
+ *	@in: input data
+ *	@inlen: input length
+ *	@out: output data
+ *	@outlein: output length
+ *
+ *	Issue a command to the SCU which involves data transfers. Do the
+ *	data copies under the lock but leave it for the caller to interpret
+ */
+
+int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
+							u32 *out, int outlen)
+{
+	u32 err = 0;
+	int i = 0;
+
+	mutex_lock(&ipclock);
+	if (ipcdev.pdev == NULL) {
+		mutex_unlock(&ipclock);
+		return -ENODEV;
+	}
+
+	for (i = 0; i < inlen; i++)
+		ipc_data_writel(*in++, 4 * i);
+
+	ipc_command(cmd << 12 | sub);
+	err = busy_loop();
+
+	for (i = 0; i < outlen; i++)
+		*out++ = ipc_data_readl(4 * i);
+
+	mutex_unlock(&ipclock);
+	return err;
+}
+EXPORT_SYMBOL(intel_scu_ipc_command);
+
+/*I2C commands */
+#define IPC_I2C_WRITE 1 /* I2C Write command */
+#define IPC_I2C_READ  2 /* I2C Read command */
+
+/**
+ *	intel_scu_ipc_i2c_cntrl		-	I2C read/write operations
+ *	@addr: I2C address + command bits
+ *	@data: data to read/write
+ *
+ *	Perform an an I2C read/write operation via the SCU. All locking is
+ *	handled for the caller. This function may sleep.
+ *
+ *	Returns an error code or 0 on success.
+ *
+ *	This has to be in the IPC driver for the locking.
+ */
+int intel_scu_ipc_i2c_cntrl(u32 addr, u32 *data)
+{
+	u32 cmd = 0;
+
+	mutex_lock(&ipclock);
+	cmd = (addr >> 24) & 0xFF;
+	if (cmd == IPC_I2C_READ) {
+		writel(addr, ipcdev.i2c_base + IPC_I2C_CNTRL_ADDR);
+		/* Write not getting updated without delay */
+		mdelay(1);
+		*data = readl(ipcdev.i2c_base + I2C_DATA_ADDR);
+	} else if (cmd == IPC_I2C_WRITE) {
+		writel(addr, ipcdev.i2c_base + I2C_DATA_ADDR);
+		mdelay(1);
+		writel(addr, ipcdev.i2c_base + IPC_I2C_CNTRL_ADDR);
+	} else {
+		dev_err(&ipcdev.pdev->dev,
+			"intel_scu_ipc: I2C INVALID_CMD = 0x%x\n", cmd);
+
+		mutex_unlock(&ipclock);
+		return -1;
+	}
+	mutex_unlock(&ipclock);
+	return 0;
+}
+EXPORT_SYMBOL(intel_scu_ipc_i2c_cntrl);
+
+#define IPC_FW_LOAD_ADDR 0xFFFC0000 /* Storage location for FW image */
+#define IPC_FW_UPDATE_MBOX_ADDR 0xFFFFDFF4 /* Mailbox between ipc and scu */
+#define IPC_MAX_FW_SIZE 262144 /* 256K storage size for loading the FW image */
+#define IPC_FW_MIP_HEADER_SIZE 2048 /* Firmware MIP header size */
+/* IPC inform SCU to get ready for update process */
+#define IPC_CMD_FW_UPDATE_READY  0x10FE
+/* IPC inform SCU to go for update process */
+#define IPC_CMD_FW_UPDATE_GO     0x20FE
+/* Status code for fw update */
+#define IPC_FW_UPDATE_SUCCESS	0x444f4e45 /* Status code 'DONE' */
+#define IPC_FW_UPDATE_BADN	0x4241444E /* Status code 'BADN' */
+#define IPC_FW_TXHIGH		0x54784849 /* Status code 'IPC_FW_TXHIGH' */
+#define IPC_FW_TXLOW		0x54784c4f /* Status code 'IPC_FW_TXLOW' */
+
+struct fw_update_mailbox {
+	u32    status;
+	u32    scu_flag;
+	u32    driver_flag;
+};
+
+
+/**
+ *	intel_scu_ipc_fw_update	-	 Firmware update utility
+ *	@buffer: firmware buffer
+ *	@length: size of firmware buffer
+ *
+ *	This function provides an interface to load the firmware into
+ *	the SCU. Returns 0 on success or -1 on failure
+ */
+int intel_scu_ipc_fw_update(u8 *buffer, u32 length)
+{
+	void __iomem *fw_update_base;
+	struct fw_update_mailbox __iomem *mailbox = NULL;
+	int retry_cnt = 0;
+	u32 status;
+
+	mutex_lock(&ipclock);
+	fw_update_base = ioremap_nocache(IPC_FW_LOAD_ADDR, (128*1024));
+	if (fw_update_base == NULL) {
+		mutex_unlock(&ipclock);
+		return -ENOMEM;
+	}
+	mailbox = ioremap_nocache(IPC_FW_UPDATE_MBOX_ADDR,
+					sizeof(struct fw_update_mailbox));
+	if (mailbox == NULL) {
+		iounmap(fw_update_base);
+		mutex_unlock(&ipclock);
+		return -ENOMEM;
+	}
+
+	ipc_command(IPC_CMD_FW_UPDATE_READY);
+
+	/* Intitialize mailbox */
+	writel(0, &mailbox->status);
+	writel(0, &mailbox->scu_flag);
+	writel(0, &mailbox->driver_flag);
+
+	/* Driver copies the 2KB MIP header to SRAM at 0xFFFC0000*/
+	memcpy_toio(fw_update_base, buffer, 0x800);
+
+	/* Driver sends "FW Update" IPC command (CMD_ID 0xFE; MSG_ID 0x02).
+	* Upon receiving this command, SCU will write the 2K MIP header
+	* from 0xFFFC0000 into NAND.
+	* SCU will write a status code into the Mailbox, and then set scu_flag.
+	*/
+
+	ipc_command(IPC_CMD_FW_UPDATE_GO);
+
+	/*Driver stalls until scu_flag is set */
+	while (readl(&mailbox->scu_flag) != 1) {
+		rmb();
+		mdelay(1);
+	}
+
+	/* Driver checks Mailbox status.
+	 * If the status is 'BADN', then abort (bad NAND).
+	 * If the status is 'IPC_FW_TXLOW', then continue.
+	 */
+	while (readl(&mailbox->status) != IPC_FW_TXLOW) {
+		rmb();
+		mdelay(10);
+	}
+	mdelay(10);
+
+update_retry:
+	if (retry_cnt > 5)
+		goto update_end;
+
+	if (readl(&mailbox->status) != IPC_FW_TXLOW)
+		goto update_end;
+	buffer = buffer + 0x800;
+	memcpy_toio(fw_update_base, buffer, 0x20000);
+	writel(1, &mailbox->driver_flag);
+	while (readl(&mailbox->scu_flag) == 1) {
+		rmb();
+		mdelay(1);
+	}
+
+	/* check for 'BADN' */
+	if (readl(&mailbox->status) == IPC_FW_UPDATE_BADN)
+		goto update_end;
+
+	while (readl(&mailbox->status) != IPC_FW_TXHIGH) {
+		rmb();
+		mdelay(10);
+	}
+	mdelay(10);
+
+	if (readl(&mailbox->status) != IPC_FW_TXHIGH)
+		goto update_end;
+
+	buffer = buffer + 0x20000;
+	memcpy_toio(fw_update_base, buffer, 0x20000);
+	writel(0, &mailbox->driver_flag);
+
+	while (mailbox->scu_flag == 0) {
+		rmb();
+		mdelay(1);
+	}
+
+	/* check for 'BADN' */
+	if (readl(&mailbox->status) == IPC_FW_UPDATE_BADN)
+		goto update_end;
+
+	if (readl(&mailbox->status) == IPC_FW_TXLOW) {
+		++retry_cnt;
+		goto update_retry;
+	}
+
+update_end:
+	status = readl(&mailbox->status);
+
+	iounmap(fw_update_base);
+	iounmap(mailbox);
+	mutex_unlock(&ipclock);
+
+	if (status == IPC_FW_UPDATE_SUCCESS)
+		return 0;
+	return -1;
+}
+EXPORT_SYMBOL(intel_scu_ipc_fw_update);
+
+/*
+ * Interrupt handler gets called when ioc bit of IPC_COMMAND_REG set to 1
+ * When ioc bit is set to 1, caller api must wait for interrupt handler called
+ * which in turn unlocks the caller api. Currently this is not used
+ *
+ * This is edge triggered so we need take no action to clear anything
+ */
+static irqreturn_t ioc(int irq, void *dev_id)
+{
+	return IRQ_HANDLED;
+}
+
+/**
+ *	ipc_probe	-	probe an Intel SCU IPC
+ *	@dev: the PCI device matching
+ *	@id: entry in the match table
+ *
+ *	Enable and install an intel SCU IPC. This appears in the PCI space
+ *	but uses some hard coded addresses as well.
+ */
+static int ipc_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+	int err;
+	resource_size_t pci_resource;
+
+	if (ipcdev.pdev)		/* We support only one SCU */
+		return -EBUSY;
+
+	ipcdev.pdev = pci_dev_get(dev);
+
+	err = pci_enable_device(dev);
+	if (err)
+		return err;
+
+	err = pci_request_regions(dev, "intel_scu_ipc");
+	if (err)
+		return err;
+
+	pci_resource = pci_resource_start(dev, 0);
+	if (!pci_resource)
+		return -ENOMEM;
+
+	if (request_irq(dev->irq, ioc, 0, "intel_scu_ipc", &ipcdev))
+		return -EBUSY;
+
+	ipcdev.ipc_base = ioremap_nocache(IPC_BASE_ADDR, IPC_MAX_ADDR);
+	if (!ipcdev.ipc_base)
+		return -ENOMEM;
+
+	ipcdev.i2c_base = ioremap_nocache(IPC_I2C_BASE, IPC_I2C_MAX_ADDR);
+	if (!ipcdev.i2c_base) {
+		iounmap(ipcdev.ipc_base);
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+/**
+ *	ipc_remove	-	remove a bound IPC device
+ *	@pdev: PCI device
+ *
+ *	In practice the SCU is not removable but this function is also
+ *	called for each device on a module unload or cleanup which is the
+ *	path that will get used.
+ *
+ *	Free up the mappings and release the PCI resources
+ */
+static void ipc_remove(struct pci_dev *pdev)
+{
+	free_irq(pdev->irq, &ipcdev);
+	pci_release_regions(pdev);
+	pci_dev_put(ipcdev.pdev);
+	iounmap(ipcdev.ipc_base);
+	iounmap(ipcdev.i2c_base);
+	ipcdev.pdev = NULL;
+}
+
+static const struct pci_device_id pci_ids[] = {
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080e)},
+	{ 0,}
+};
+MODULE_DEVICE_TABLE(pci, pci_ids);
+
+static struct pci_driver ipc_driver = {
+	.name = "intel_scu_ipc",
+	.id_table = pci_ids,
+	.probe = ipc_probe,
+	.remove = ipc_remove,
+};
+
+
+static int __init intel_scu_ipc_init(void)
+{
+	return  pci_register_driver(&ipc_driver);
+}
+
+static void __exit intel_scu_ipc_exit(void)
+{
+	pci_unregister_driver(&ipc_driver);
+}
+
+MODULE_AUTHOR("Sreedhara DS <sreedhara.ds@intel.com>");
+MODULE_DESCRIPTION("Intel SCU IPC driver");
+MODULE_LICENSE("GPL");
+
+module_init(intel_scu_ipc_init);
+module_exit(intel_scu_ipc_exit);

From 89a7644be2c59eea443b0db2514fd42d5de909f8 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 7 May 2010 11:24:11 -0700
Subject: [PATCH 1762/3638] eeepc-wmi: depends on BACKLIGHT_CLASS_DEVICE

eeepc-wmi uses backlight*() interfaces so it should depend on
BACKLIGHT_CLASS_DEVICE.

eeepc-wmi.c:(.text+0x2d7f54): undefined reference to `backlight_force_update'
eeepc-wmi.c:(.text+0x2d8012): undefined reference to `backlight_device_register'
eeepc-wmi.c:(.devinit.text+0x1c31c): undefined reference to `backlight_device_unregister'
eeepc-wmi.c:(.devexit.text+0x2f8b): undefined reference to `backlight_device_unregister'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: stable@kernel.org
---
 drivers/platform/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 619134151ca..0ec796d9da1 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -390,6 +390,7 @@ config EEEPC_WMI
 	depends on ACPI_WMI
 	depends on INPUT
 	depends on EXPERIMENTAL
+	depends on BACKLIGHT_CLASS_DEVICE
 	select INPUT_SPARSEKMAP
 	---help---
 	  Say Y here if you want to support WMI-based hotkeys on Eee PC laptops.

From 6c62673cf58516e1b82329ac90ebf3ff3f485672 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Fri, 7 May 2010 14:30:00 -0400
Subject: [PATCH 1763/3638] drivers/platform/x86: Clarify the MRST IPC driver
 description slightly

Make it clear that this driver is only needed for embedded hardware,
not PCs.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 0ec796d9da1..3e1b8a28871 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -534,6 +534,7 @@ config INTEL_SCU_IPC
 	default y
 	---help---
 	  IPC is used to bridge the communications between kernel and SCU on
-	  some embedded Intel x86 platforms.
+	  some embedded Intel x86 platforms. This is not needed for PC-type
+	  machines.
 
 endif # X86_PLATFORM_DEVICES

From e1518c7c0a67a75727f7285780dbef0ca7121cc9 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 13 May 2010 11:19:06 -0700
Subject: [PATCH 1764/3638] ceph: clean up mds reply, error handling

We would occasionally BUG out in the reply handler because r_reply was
nonzero, due to a race with ceph_mdsc_do_request temporarily setting
r_reply to an ERR_PTR value.  This is unnecessary, messy, and also wrong
in the EIO case.

Clean up by consistently using r_err for errors and r_reply for messages.
Also fix the abort logic to trigger consistently for all errors that return
to the caller early (e.g., EIO from timeout case).  If an abort races with
a reply, use the result from the reply.

Also fix locking for r_err, r_reply update in the reply handler.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 121 +++++++++++++++++++++----------------------
 fs/ceph/mds_client.h |   2 +-
 2 files changed, 60 insertions(+), 63 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 24561a557e0..b3b19f05b82 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1517,7 +1517,7 @@ static int __prepare_send_request(struct ceph_mds_client *mdsc,
 	}
 	msg = create_request_message(mdsc, req, mds);
 	if (IS_ERR(msg)) {
-		req->r_reply = ERR_PTR(PTR_ERR(msg));
+		req->r_err = PTR_ERR(msg);
 		complete_request(mdsc, req);
 		return -PTR_ERR(msg);
 	}
@@ -1552,7 +1552,7 @@ static int __do_request(struct ceph_mds_client *mdsc,
 	int mds = -1;
 	int err = -EAGAIN;
 
-	if (req->r_reply)
+	if (req->r_err || req->r_got_result)
 		goto out;
 
 	if (req->r_timeout &&
@@ -1609,7 +1609,7 @@ out:
 	return err;
 
 finish:
-	req->r_reply = ERR_PTR(err);
+	req->r_err = err;
 	complete_request(mdsc, req);
 	goto out;
 }
@@ -1689,59 +1689,53 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
 	__register_request(mdsc, req, dir);
 	__do_request(mdsc, req);
 
-	/* wait */
-	if (!req->r_reply) {
-		mutex_unlock(&mdsc->mutex);
-		if (req->r_timeout) {
-			err = (long)wait_for_completion_interruptible_timeout(
-				&req->r_completion, req->r_timeout);
-			if (err == 0)
-				req->r_reply = ERR_PTR(-EIO);
-			else if (err < 0)
-				req->r_reply = ERR_PTR(err);
-		} else {
-                        err = wait_for_completion_interruptible(
-                                &req->r_completion);
-                        if (err)
-                                req->r_reply = ERR_PTR(err);
-		}
-		mutex_lock(&mdsc->mutex);
-	}
-
-	if (IS_ERR(req->r_reply)) {
-		err = PTR_ERR(req->r_reply);
-		req->r_reply = NULL;
-
-		if (err == -ERESTARTSYS) {
-			/* aborted */
-			req->r_aborted = true;
-
-			if (req->r_locked_dir &&
-			    (req->r_op & CEPH_MDS_OP_WRITE)) {
-				struct ceph_inode_info *ci =
-					ceph_inode(req->r_locked_dir);
-
-				dout("aborted, clearing I_COMPLETE on %p\n", 
-				     req->r_locked_dir);
-				spin_lock(&req->r_locked_dir->i_lock);
-				ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
-				ci->i_release_count++;
-				spin_unlock(&req->r_locked_dir->i_lock);
-			}
-		} else {
-			/* clean up this request */
-			__unregister_request(mdsc, req);
-			if (!list_empty(&req->r_unsafe_item))
-				list_del_init(&req->r_unsafe_item);
-			complete(&req->r_safe_completion);
-		}
-	} else if (req->r_err) {
+	if (req->r_err) {
 		err = req->r_err;
-	} else {
-		err = le32_to_cpu(req->r_reply_info.head->result);
+		__unregister_request(mdsc, req);
+		dout("do_request early error %d\n", err);
+		goto out;
 	}
-	mutex_unlock(&mdsc->mutex);
 
+	/* wait */
+	mutex_unlock(&mdsc->mutex);
+	dout("do_request waiting\n");
+	if (req->r_timeout) {
+		err = (long)wait_for_completion_interruptible_timeout(
+			&req->r_completion, req->r_timeout);
+		if (err == 0)
+			err = -EIO;
+	} else {
+		err = wait_for_completion_interruptible(&req->r_completion);
+	}
+	dout("do_request waited, got %d\n", err);
+	mutex_lock(&mdsc->mutex);
+
+	/* only abort if we didn't race with a real reply */
+	if (req->r_got_result) {
+		err = le32_to_cpu(req->r_reply_info.head->result);
+	} else if (err < 0) {
+		dout("aborted request %lld with %d\n", req->r_tid, err);
+		req->r_err = err;
+		req->r_aborted = true;
+
+		if (req->r_locked_dir &&
+		    (req->r_op & CEPH_MDS_OP_WRITE)) {
+			struct ceph_inode_info *ci =
+				ceph_inode(req->r_locked_dir);
+
+			dout("aborted, clearing I_COMPLETE on %p\n",
+			     req->r_locked_dir);
+			spin_lock(&req->r_locked_dir->i_lock);
+			ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
+			ci->i_release_count++;
+			spin_unlock(&req->r_locked_dir->i_lock);
+		}
+	} else {
+		err = req->r_err;
+	}
+
+out:
+	mutex_unlock(&mdsc->mutex);
 	dout("do_request %p done, result %d\n", req, err);
 	return err;
 }
@@ -1838,11 +1832,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 			mutex_unlock(&mdsc->mutex);
 			goto out;
 		}
-	}
-
-	BUG_ON(req->r_reply);
-
-	if (!head->safe) {
+	} else {
 		req->r_got_unsafe = true;
 		list_add_tail(&req->r_unsafe_item, &req->r_session->s_unsafe);
 	}
@@ -1880,12 +1870,19 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 
 	up_read(&mdsc->snap_rwsem);
 out_err:
-	if (err) {
-		req->r_err = err;
+	mutex_lock(&mdsc->mutex);
+	if (!req->r_aborted) {
+		if (err) {
+			req->r_err = err;
+		} else {
+			req->r_reply = msg;
+			ceph_msg_get(msg);
+			req->r_got_result = true;
+		}
 	} else {
-		req->r_reply = msg;
-		ceph_msg_get(msg);
+		dout("reply arrived after request %lld was aborted\n", tid);
 	}
+	mutex_unlock(&mdsc->mutex);
 
 	add_cap_releases(mdsc, req->r_session, -1);
 	mutex_unlock(&session->s_mutex);
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 961cc6f6587..0b1dd10be39 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -213,7 +213,7 @@ struct ceph_mds_request {
 	struct completion r_safe_completion;
 	ceph_mds_request_callback_t r_callback;
 	struct list_head  r_unsafe_item;  /* per-session unsafe list item */
-	bool		  r_got_unsafe, r_got_safe;
+	bool		  r_got_unsafe, r_got_safe, r_got_result;
 
 	bool              r_did_prepopulate;
 	u32               r_readdir_offset;

From b4556396fac5b3f063d5b8ac54dc02f7612a75e1 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 13 May 2010 12:01:13 -0700
Subject: [PATCH 1765/3638] ceph: fix race between aborted requests and
 fill_trace

When we abort requests we need to prevent fill_trace et al from doing
anything that relies on locks held by the VFS caller.  This fixes a race
between the reply handler and the abort code, ensuring that continue
holding the dir mutex until the reply handler completes.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 11 +++++++++++
 fs/ceph/mds_client.h |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index b3b19f05b82..c0568fe3c0b 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1181,6 +1181,7 @@ ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode)
 	if (!req)
 		return ERR_PTR(-ENOMEM);
 
+	mutex_init(&req->r_fill_mutex);
 	req->r_started = jiffies;
 	req->r_resend_mds = -1;
 	INIT_LIST_HEAD(&req->r_unsafe_dir_item);
@@ -1715,8 +1716,16 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
 		err = le32_to_cpu(req->r_reply_info.head->result);
 	} else if (err < 0) {
 		dout("aborted request %lld with %d\n", req->r_tid, err);
+
+		/*
+		 * ensure we aren't running concurrently with
+		 * ceph_fill_trace or ceph_readdir_prepopulate, which
+		 * rely on locks (dir mutex) held by our caller.
+		 */
+		mutex_lock(&req->r_fill_mutex);
 		req->r_err = err;
 		req->r_aborted = true;
+		mutex_unlock(&req->r_fill_mutex);
 
 		if (req->r_locked_dir &&
 		    (req->r_op & CEPH_MDS_OP_WRITE)) {
@@ -1861,12 +1870,14 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 	}
 
 	/* insert trace into our cache */
+	mutex_lock(&req->r_fill_mutex);
 	err = ceph_fill_trace(mdsc->client->sb, req, req->r_session);
 	if (err == 0) {
 		if (result == 0 && rinfo->dir_nr)
 			ceph_readdir_prepopulate(req, req->r_session);
 		ceph_unreserve_caps(&req->r_caps_reservation);
 	}
+	mutex_unlock(&req->r_fill_mutex);
 
 	up_read(&mdsc->snap_rwsem);
 out_err:
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 0b1dd10be39..141a265bda7 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -165,6 +165,8 @@ struct ceph_mds_request {
 	struct inode *r_locked_dir; /* dir (if any) i_mutex locked by vfs */
 	struct inode *r_target_inode;       /* resulting inode */
 
+	struct mutex r_fill_mutex;
+
 	union ceph_mds_request_args r_args;
 	int r_fmode;        /* file mode, if expecting cap */
 

From 81a6cf2d30eac5d790f53cdff110892f7b18c7fe Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 14 May 2010 09:35:38 -0700
Subject: [PATCH 1766/3638] ceph: invalidate affected dentry leases on aborted
 requests

If we abort a request, we return to caller, but the request may still
complete.  And if we hold the dir FILE_EXCL bit, we may not release a
lease when sending a request.  A simple un-tar, control-c, un-tar again
will reproduce the bug (manifested as a 'Cannot open: File exists').

Ensure we invalidate affected dentry leases (as well dir I_COMPLETE) so
we don't have valid (but incorrect) leases.  Do the same, consistently, at
other sites where I_COMPLETE is similarly cleared.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/dir.c        | 13 +++++++++++--
 fs/ceph/inode.c      | 13 +++++++++++--
 fs/ceph/mds_client.c |  7 ++++++-
 fs/ceph/super.h      |  1 +
 4 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 650d2db5ed2..4b1a7a4bae0 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -888,13 +888,22 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 		/* ensure target dentry is invalidated, despite
 		   rehashing bug in vfs_rename_dir */
-		new_dentry->d_time = jiffies;
-		ceph_dentry(new_dentry)->lease_shared_gen = 0;
+		ceph_invalidate_dentry_lease(new_dentry);
 	}
 	ceph_mdsc_put_request(req);
 	return err;
 }
 
+/*
+ * Ensure a dentry lease will no longer revalidate.
+ */
+void ceph_invalidate_dentry_lease(struct dentry *dentry)
+{
+	spin_lock(&dentry->d_lock);
+	dentry->d_time = jiffies;
+	ceph_dentry(dentry)->lease_shared_gen = 0;
+	spin_unlock(&dentry->d_lock);
+}
 
 /*
  * Check if dentry lease is valid.  If not, delete the lease.  Try to
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 85b4d2ffdeb..220a2aec054 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -938,8 +938,15 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
 				ceph_inode(req->r_locked_dir);
 			dout(" clearing %p complete (empty trace)\n",
 			     req->r_locked_dir);
+			spin_lock(&req->r_locked_dir->i_lock);
 			ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
 			ci->i_release_count++;
+			spin_unlock(&req->r_locked_dir->i_lock);
+
+			if (req->r_dentry)
+				ceph_invalidate_dentry_lease(req->r_dentry);
+			if (req->r_old_dentry)
+				ceph_invalidate_dentry_lease(req->r_old_dentry);
 		}
 		return 0;
 	}
@@ -1011,13 +1018,15 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
 			     req->r_old_dentry->d_name.len,
 			     req->r_old_dentry->d_name.name,
 			     dn, dn->d_name.len, dn->d_name.name);
+
 			/* ensure target dentry is invalidated, despite
 			   rehashing bug in vfs_rename_dir */
-			dn->d_time = jiffies;
-			ceph_dentry(dn)->lease_shared_gen = 0;
+			ceph_invalidate_dentry_lease(dn);
+
 			/* take overwritten dentry's readdir offset */
 			ceph_dentry(req->r_old_dentry)->offset =
 				ceph_dentry(dn)->offset;
+
 			dn = req->r_old_dentry;  /* use old_dentry */
 			in = dn->d_inode;
 		}
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index c0568fe3c0b..76995a96043 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1732,12 +1732,17 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
 			struct ceph_inode_info *ci =
 				ceph_inode(req->r_locked_dir);
 
-			dout("aborted, clearing I_COMPLETE on %p\n",
+			dout("aborted, clearing I_COMPLETE on %p, leases\n",
 			     req->r_locked_dir);
 			spin_lock(&req->r_locked_dir->i_lock);
 			ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
 			ci->i_release_count++;
 			spin_unlock(&req->r_locked_dir->i_lock);
+
+			if (req->r_dentry)
+				ceph_invalidate_dentry_lease(req->r_dentry);
+			if (req->r_old_dentry)
+				ceph_invalidate_dentry_lease(req->r_old_dentry);
 		}
 	} else {
 		err = req->r_err;
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 13513b80d87..cfe3b0834d5 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -871,6 +871,7 @@ extern struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
 extern void ceph_dentry_lru_add(struct dentry *dn);
 extern void ceph_dentry_lru_touch(struct dentry *dn);
 extern void ceph_dentry_lru_del(struct dentry *dn);
+extern void ceph_invalidate_dentry_lease(struct dentry *dentry);
 
 /*
  * our d_ops vary depending on whether the inode is live,

From 8381fc35244dbdf58cfc49e04e0d7c3498c8aa03 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Thu, 6 May 2010 11:58:55 +0200
Subject: [PATCH 1767/3638] dmaengine: mpc512x: Use resource_size

Use the resource_size function instead of manually calculating the
resource size.  This reduces the chance of introducing off-by-one
errors.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/mpc512x_dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 7a750b95303..e41fb8b671d 100644
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -657,7 +657,7 @@ static int __devinit mpc_dma_probe(struct of_device *op,
 	}
 
 	regs_start = res.start;
-	regs_size = res.end - res.start + 1;
+	regs_size = resource_size(&res);
 
 	if (!devm_request_mem_region(dev, regs_start, regs_size, DRV_NAME)) {
 		dev_err(dev, "Error requesting memory region!\n");

From 4b5397dc24ab12afaac85be3d0863b7f6eb8b0f0 Mon Sep 17 00:00:00 2001
From: Phillip Lougher <phillip@lougher.demon.co.uk>
Date: Fri, 14 May 2010 20:48:47 +0100
Subject: [PATCH 1768/3638] squashfs: add xattr id support

This patch adds support for mapping xattr ids (stored in inodes)
into the on-disk location of the xattrs themselves.

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 fs/squashfs/Makefile         |   2 +
 fs/squashfs/squashfs.h       |   6 +++
 fs/squashfs/squashfs_fs.h    |  32 ++++++++++-
 fs/squashfs/squashfs_fs_sb.h |   3 ++
 fs/squashfs/super.c          |  22 ++++++--
 fs/squashfs/xattr_id.c       | 100 +++++++++++++++++++++++++++++++++++
 6 files changed, 161 insertions(+), 4 deletions(-)
 create mode 100644 fs/squashfs/xattr_id.c

diff --git a/fs/squashfs/Makefile b/fs/squashfs/Makefile
index df8a19ef870..c0da4a189cc 100644
--- a/fs/squashfs/Makefile
+++ b/fs/squashfs/Makefile
@@ -5,3 +5,5 @@
 obj-$(CONFIG_SQUASHFS) += squashfs.o
 squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o
 squashfs-y += namei.o super.o symlink.o zlib_wrapper.o decompressor.o
+squashfs-y += xattr_id.o
+
diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
index fe2587af551..133befe2f8b 100644
--- a/fs/squashfs/squashfs.h
+++ b/fs/squashfs/squashfs.h
@@ -73,6 +73,12 @@ extern struct inode *squashfs_iget(struct super_block *, long long,
 				unsigned int);
 extern int squashfs_read_inode(struct inode *, long long);
 
+/* xattr_id.c */
+extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
+				int *, long long *);
+extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
+				u64 *, int *);
+
 /*
  * Inodes, files and decompressor operations
  */
diff --git a/fs/squashfs/squashfs_fs.h b/fs/squashfs/squashfs_fs.h
index 79024245ea0..c654e863d3c 100644
--- a/fs/squashfs/squashfs_fs.h
+++ b/fs/squashfs/squashfs_fs.h
@@ -174,6 +174,24 @@
 
 #define SQUASHFS_ID_BLOCK_BYTES(A)	(SQUASHFS_ID_BLOCKS(A) *\
 					sizeof(u64))
+/* xattr id lookup table defines */
+#define SQUASHFS_XATTR_BYTES(A)		((A) * sizeof(struct squashfs_xattr_id))
+
+#define SQUASHFS_XATTR_BLOCK(A)		(SQUASHFS_XATTR_BYTES(A) / \
+					SQUASHFS_METADATA_SIZE)
+
+#define SQUASHFS_XATTR_BLOCK_OFFSET(A)	(SQUASHFS_XATTR_BYTES(A) % \
+					SQUASHFS_METADATA_SIZE)
+
+#define SQUASHFS_XATTR_BLOCKS(A)	((SQUASHFS_XATTR_BYTES(A) + \
+					SQUASHFS_METADATA_SIZE - 1) / \
+					SQUASHFS_METADATA_SIZE)
+
+#define SQUASHFS_XATTR_BLOCK_BYTES(A)	(SQUASHFS_XATTR_BLOCKS(A) *\
+					sizeof(u64))
+#define SQUASHFS_XATTR_BLK(A)		((unsigned int) ((A) >> 16))
+
+#define SQUASHFS_XATTR_OFFSET(A)	((unsigned int) ((A) & 0xffff))
 
 /* cached data constants for filesystem */
 #define SQUASHFS_CACHED_BLKS		8
@@ -228,7 +246,7 @@ struct squashfs_super_block {
 	__le64			root_inode;
 	__le64			bytes_used;
 	__le64			id_table_start;
-	__le64			xattr_table_start;
+	__le64			xattr_id_table_start;
 	__le64			inode_table_start;
 	__le64			directory_table_start;
 	__le64			fragment_table_start;
@@ -377,4 +395,16 @@ struct squashfs_fragment_entry {
 	unsigned int		unused;
 };
 
+struct squashfs_xattr_id {
+	__le64			xattr;
+	__le32			count;
+	__le32			size;
+};
+
+struct squashfs_xattr_id_table {
+	__le64			xattr_table_start;
+	__le32			xattr_ids;
+	__le32			unused;
+};
+
 #endif
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
index 2e77dc547e2..d9037a5215f 100644
--- a/fs/squashfs/squashfs_fs_sb.h
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -61,6 +61,7 @@ struct squashfs_sb_info {
 	int					next_meta_index;
 	__le64					*id_table;
 	__le64					*fragment_index;
+	__le64					*xattr_id_table;
 	struct mutex				read_data_mutex;
 	struct mutex				meta_index_mutex;
 	struct meta_index			*meta_index;
@@ -68,9 +69,11 @@ struct squashfs_sb_info {
 	__le64					*inode_lookup_table;
 	u64					inode_table;
 	u64					directory_table;
+	u64					xattr_table;
 	unsigned int				block_size;
 	unsigned short				block_log;
 	long long				bytes_used;
 	unsigned int				inodes;
+	int					xattr_ids;
 };
 #endif
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 48b6f4a385a..c4dfc393fa5 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -36,6 +36,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/magic.h>
+#include <linux/xattr.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
@@ -82,7 +83,7 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 	long long root_inode;
 	unsigned short flags;
 	unsigned int fragments;
-	u64 lookup_table_start;
+	u64 lookup_table_start, xattr_id_table_start;
 	int err;
 
 	TRACE("Entered squashfs_fill_superblock\n");
@@ -143,7 +144,7 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 	 * Check if there's xattrs in the filesystem.  These are not
 	 * supported in this version, so warn that they will be ignored.
 	 */
-	if (le64_to_cpu(sblk->xattr_table_start) != SQUASHFS_INVALID_BLK)
+	if (le64_to_cpu(sblk->xattr_id_table_start) != SQUASHFS_INVALID_BLK)
 		ERROR("Xattrs in filesystem, these will be ignored\n");
 
 	/* Check the filesystem does not extend beyond the end of the
@@ -253,7 +254,7 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 allocate_lookup_table:
 	lookup_table_start = le64_to_cpu(sblk->lookup_table_start);
 	if (lookup_table_start == SQUASHFS_INVALID_BLK)
-		goto allocate_root;
+		goto allocate_xattr_table;
 
 	/* Allocate and read inode lookup table */
 	msblk->inode_lookup_table = squashfs_read_inode_lookup_table(sb,
@@ -266,6 +267,19 @@ allocate_lookup_table:
 
 	sb->s_export_op = &squashfs_export_ops;
 
+allocate_xattr_table:
+	xattr_id_table_start = le64_to_cpu(sblk->xattr_id_table_start);
+	if (xattr_id_table_start == SQUASHFS_INVALID_BLK)
+		goto allocate_root;
+
+	/* Allocate and read xattr id lookup table */
+	msblk->xattr_id_table = squashfs_read_xattr_id_table(sb,
+		xattr_id_table_start, &msblk->xattr_table, &msblk->xattr_ids);
+	if (IS_ERR(msblk->xattr_id_table)) {
+		err = PTR_ERR(msblk->xattr_id_table);
+		msblk->xattr_id_table = NULL;
+		goto failed_mount;
+	}
 allocate_root:
 	root = new_inode(sb);
 	if (!root) {
@@ -301,6 +315,7 @@ failed_mount:
 	kfree(msblk->inode_lookup_table);
 	kfree(msblk->fragment_index);
 	kfree(msblk->id_table);
+	kfree(msblk->xattr_id_table);
 	kfree(sb->s_fs_info);
 	sb->s_fs_info = NULL;
 	kfree(sblk);
@@ -355,6 +370,7 @@ static void squashfs_put_super(struct super_block *sb)
 		kfree(sbi->fragment_index);
 		kfree(sbi->meta_index);
 		kfree(sbi->inode_lookup_table);
+		kfree(sbi->xattr_id_table);
 		kfree(sb->s_fs_info);
 		sb->s_fs_info = NULL;
 	}
diff --git a/fs/squashfs/xattr_id.c b/fs/squashfs/xattr_id.c
new file mode 100644
index 00000000000..a74101244a9
--- /dev/null
+++ b/fs/squashfs/xattr_id.c
@@ -0,0 +1,100 @@
+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * Copyright (c) 2010
+ * Phillip Lougher <phillip@lougher.demon.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * xattr_id.c
+ */
+
+/*
+ * This file implements code to map the 32-bit xattr id stored in the inode
+ * into the on disk location of the xattr data.
+ */
+
+#include <linux/fs.h>
+#include <linux/vfs.h>
+#include <linux/slab.h>
+
+#include "squashfs_fs.h"
+#include "squashfs_fs_sb.h"
+#include "squashfs_fs_i.h"
+#include "squashfs.h"
+
+/*
+ * Map xattr id using the xattr id look up table
+ */
+int squashfs_xattr_lookup(struct super_block *sb, unsigned int index,
+		int *count, int *size, long long *xattr)
+{
+	struct squashfs_sb_info *msblk = sb->s_fs_info;
+	int block = SQUASHFS_XATTR_BLOCK(index);
+	int offset = SQUASHFS_XATTR_BLOCK_OFFSET(index);
+	u64 start_block = le64_to_cpu(msblk->xattr_id_table[block]);
+	struct squashfs_xattr_id id;
+	int err;
+
+	err = squashfs_read_metadata(sb, &id, &start_block, &offset,
+							sizeof(id));
+	if (err < 0)
+		return err;
+
+	*xattr = le64_to_cpu(id.xattr);
+	*size = le32_to_cpu(id.size);
+	*count = le32_to_cpu(id.count);
+	return 0;
+}
+
+
+/*
+ * Read uncompressed xattr id lookup table indexes from disk into memory
+ */
+__le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 start,
+		u64 *xattr_table_start, int *xattr_ids)
+{
+	unsigned int len;
+	__le64 *xid_table;
+	struct squashfs_xattr_id_table id_table;
+	int err;
+
+	err = squashfs_read_table(sb, &id_table, start, sizeof(id_table));
+	if (err < 0) {
+		ERROR("unable to read xattr id table\n");
+		return ERR_PTR(err);
+	}
+	*xattr_table_start = le64_to_cpu(id_table.xattr_table_start);
+	*xattr_ids = le32_to_cpu(id_table.xattr_ids);
+	len = SQUASHFS_XATTR_BLOCK_BYTES(*xattr_ids);
+
+	TRACE("In read_xattr_index_table, length %d\n", len);
+
+	/* Allocate xattr id lookup table indexes */
+	xid_table = kmalloc(len, GFP_KERNEL);
+	if (xid_table == NULL) {
+		ERROR("Failed to allocate xattr id index table\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	err = squashfs_read_table(sb, xid_table, start + sizeof(id_table), len);
+	if (err < 0) {
+		ERROR("unable to read xattr id index table\n");
+		kfree(xid_table);
+		return ERR_PTR(err);
+	}
+
+	return xid_table;
+}

From f41d207cbedecd82f797adcce83890aa96f1c9e9 Mon Sep 17 00:00:00 2001
From: Phillip Lougher <phillip@lougher.demon.co.uk>
Date: Mon, 17 May 2010 03:17:04 +0100
Subject: [PATCH 1769/3638] squashfs: add support for xattr reading

Add support for listxattr and getxattr.  Also add xattr definitions.

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 fs/squashfs/Makefile        |   2 +-
 fs/squashfs/squashfs_fs.h   |  19 +++
 fs/squashfs/squashfs_fs_i.h |   3 +
 fs/squashfs/xattr.c         | 319 ++++++++++++++++++++++++++++++++++++
 4 files changed, 342 insertions(+), 1 deletion(-)
 create mode 100644 fs/squashfs/xattr.c

diff --git a/fs/squashfs/Makefile b/fs/squashfs/Makefile
index c0da4a189cc..56684d46410 100644
--- a/fs/squashfs/Makefile
+++ b/fs/squashfs/Makefile
@@ -5,5 +5,5 @@
 obj-$(CONFIG_SQUASHFS) += squashfs.o
 squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o
 squashfs-y += namei.o super.o symlink.o zlib_wrapper.o decompressor.o
-squashfs-y += xattr_id.o
+squashfs-y += xattr.o xattr_id.o
 
diff --git a/fs/squashfs/squashfs_fs.h b/fs/squashfs/squashfs_fs.h
index c654e863d3c..6fe940cf901 100644
--- a/fs/squashfs/squashfs_fs.h
+++ b/fs/squashfs/squashfs_fs.h
@@ -46,6 +46,7 @@
 #define SQUASHFS_NAME_LEN		256
 
 #define SQUASHFS_INVALID_FRAG		(0xffffffffU)
+#define SQUASHFS_INVALID_XATTR		(0xffffffffU)
 #define SQUASHFS_INVALID_BLK		(-1LL)
 
 /* Filesystem flags */
@@ -96,6 +97,13 @@
 #define SQUASHFS_LFIFO_TYPE		13
 #define SQUASHFS_LSOCKET_TYPE		14
 
+/* Xattr types */
+#define SQUASHFS_XATTR_USER             0
+#define SQUASHFS_XATTR_TRUSTED          1
+#define SQUASHFS_XATTR_SECURITY         2
+#define SQUASHFS_XATTR_VALUE_OOL        256
+#define SQUASHFS_XATTR_PREFIX_MASK      0xff
+
 /* Flag whether block is compressed or uncompressed, bit is set if block is
  * uncompressed */
 #define SQUASHFS_COMPRESSED_BIT		(1 << 15)
@@ -395,6 +403,17 @@ struct squashfs_fragment_entry {
 	unsigned int		unused;
 };
 
+struct squashfs_xattr_entry {
+	__le16			type;
+	__le16			size;
+	char			data[0];
+};
+
+struct squashfs_xattr_val {
+	__le32			vsize;
+	char			value[0];
+};
+
 struct squashfs_xattr_id {
 	__le64			xattr;
 	__le32			count;
diff --git a/fs/squashfs/squashfs_fs_i.h b/fs/squashfs/squashfs_fs_i.h
index fbfca30c0c6..d3e3a37f28a 100644
--- a/fs/squashfs/squashfs_fs_i.h
+++ b/fs/squashfs/squashfs_fs_i.h
@@ -26,6 +26,9 @@
 struct squashfs_inode_info {
 	u64		start;
 	int		offset;
+	u64		xattr;
+	unsigned int	xattr_size;
+	int		xattr_count;
 	union {
 		struct {
 			u64		fragment_block;
diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
new file mode 100644
index 00000000000..147ecc3f69e
--- /dev/null
+++ b/fs/squashfs/xattr.c
@@ -0,0 +1,319 @@
+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * Copyright (c) 2010
+ * Phillip Lougher <phillip@lougher.demon.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * xattr_id.c
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/fs.h>
+#include <linux/vfs.h>
+#include <linux/xattr.h>
+#include <linux/slab.h>
+
+#include "squashfs_fs.h"
+#include "squashfs_fs_sb.h"
+#include "squashfs_fs_i.h"
+#include "squashfs.h"
+
+static inline struct xattr_handler *squashfs_xattr_handler(int);
+
+ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
+	size_t buffer_size)
+{
+	struct inode *inode = d->d_inode;
+	struct super_block *sb = inode->i_sb;
+	struct squashfs_sb_info *msblk = sb->s_fs_info;
+	u64 start = SQUASHFS_XATTR_BLK(squashfs_i(inode)->xattr)
+						 + msblk->xattr_table;
+	int offset = SQUASHFS_XATTR_OFFSET(squashfs_i(inode)->xattr);
+	int count = squashfs_i(inode)->xattr_count;
+	size_t rest = buffer_size;
+	int err;
+
+	/* check that the file system has xattrs */
+	if (msblk->xattr_id_table == NULL)
+		return -EOPNOTSUPP;
+
+	/* loop reading each xattr name */
+	while (count--) {
+		struct squashfs_xattr_entry entry;
+		struct squashfs_xattr_val val;
+		struct xattr_handler *handler;
+		int name_size, prefix_size = 0;
+
+		err = squashfs_read_metadata(sb, &entry, &start, &offset,
+							sizeof(entry));
+		if (err < 0)
+			goto failed;
+
+		name_size = le16_to_cpu(entry.size);
+		handler = squashfs_xattr_handler(le16_to_cpu(entry.type));
+		if (handler)
+			prefix_size = handler->list(d, buffer, rest, NULL,
+				name_size, handler->flags);
+		if (prefix_size) {
+			if (buffer) {
+				if (prefix_size + name_size + 1 > rest) {
+					err = -ERANGE;
+					goto failed;
+				}
+				buffer += prefix_size;
+			}
+			err = squashfs_read_metadata(sb, buffer, &start,
+				&offset, name_size);
+			if (err < 0)
+				goto failed;
+			if (buffer) {
+				buffer[name_size] = '\0';
+				buffer += name_size + 1;
+			}
+			rest -= prefix_size + name_size + 1;
+		} else  {
+			/* no handler or insuffficient privileges, so skip */
+			err = squashfs_read_metadata(sb, NULL, &start,
+				&offset, name_size);
+			if (err < 0)
+				goto failed;
+		}
+
+
+		/* skip remaining xattr entry */
+		err = squashfs_read_metadata(sb, &val, &start, &offset,
+						sizeof(val));
+		if (err < 0)
+			goto failed;
+
+		err = squashfs_read_metadata(sb, NULL, &start, &offset,
+						le32_to_cpu(val.vsize));
+		if (err < 0)
+			goto failed;
+	}
+	err = buffer_size - rest;
+
+failed:
+	return err;
+}
+
+
+static int squashfs_xattr_get(struct inode *inode, int name_index,
+	const char *name, void *buffer, size_t buffer_size)
+{
+	struct super_block *sb = inode->i_sb;
+	struct squashfs_sb_info *msblk = sb->s_fs_info;
+	u64 start = SQUASHFS_XATTR_BLK(squashfs_i(inode)->xattr)
+						 + msblk->xattr_table;
+	int offset = SQUASHFS_XATTR_OFFSET(squashfs_i(inode)->xattr);
+	int count = squashfs_i(inode)->xattr_count;
+	int name_len = strlen(name);
+	int err, vsize;
+	char *target = kmalloc(name_len, GFP_KERNEL);
+
+	if (target == NULL)
+		return  -ENOMEM;
+
+	/* loop reading each xattr name */
+	for (; count; count--) {
+		struct squashfs_xattr_entry entry;
+		struct squashfs_xattr_val val;
+		int type, prefix, name_size;
+
+		err = squashfs_read_metadata(sb, &entry, &start, &offset,
+							sizeof(entry));
+		if (err < 0)
+			goto failed;
+
+		name_size = le16_to_cpu(entry.size);
+		type = le16_to_cpu(entry.type);
+		prefix = type & SQUASHFS_XATTR_PREFIX_MASK;
+
+		err = squashfs_read_metadata(sb, target, &start, &offset,
+							name_size);
+		if (err < 0)
+			goto failed;
+
+		if (prefix == name_index && name_size == name_len &&
+					strncmp(target, name, name_size) == 0) {
+			/* found xattr */
+			if (type & SQUASHFS_XATTR_VALUE_OOL) {
+				__le64 xattr;
+				/* val is a reference to the real location */
+				err = squashfs_read_metadata(sb, &val, &start,
+						&offset, sizeof(val));
+				if (err < 0)
+					goto failed;
+				err = squashfs_read_metadata(sb, &xattr, &start,
+					 &offset, sizeof(xattr));
+				if (err < 0)
+					goto failed;
+				xattr = le64_to_cpu(xattr);
+				start = SQUASHFS_XATTR_BLK(xattr) +
+							msblk->xattr_table;
+				offset = SQUASHFS_XATTR_OFFSET(xattr);
+			}
+			/* read xattr value */
+			err = squashfs_read_metadata(sb, &val, &start, &offset,
+							sizeof(val));
+			if (err < 0)
+				goto failed;
+
+			vsize = le32_to_cpu(val.vsize);
+			if (buffer) {
+				if (vsize > buffer_size) {
+					err = -ERANGE;
+					goto failed;
+				}
+				err = squashfs_read_metadata(sb, buffer, &start,
+					 &offset, vsize);
+				if (err < 0)
+					goto failed;
+			}
+			break;
+		}
+
+		/* no match, skip remaining xattr entry */
+		err = squashfs_read_metadata(sb, &val, &start, &offset,
+							sizeof(val));
+		if (err < 0)
+			goto failed;
+		err = squashfs_read_metadata(sb, NULL, &start, &offset,
+						le32_to_cpu(val.vsize));
+		if (err < 0)
+			goto failed;
+	}
+	err = count ? vsize : -ENODATA;
+
+failed:
+	kfree(target);
+	return err;
+}
+
+
+/*
+ * User namespace support
+ */
+static size_t squashfs_user_list(struct dentry *d, char *list, size_t list_size,
+	const char *name, size_t name_len, int type)
+{
+	if (list && XATTR_USER_PREFIX_LEN <= list_size)
+		memcpy(list, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
+	return XATTR_USER_PREFIX_LEN;
+}
+
+static int squashfs_user_get(struct dentry *d, const char *name, void *buffer,
+	size_t size, int type)
+{
+	if (name[0] == '\0')
+		return  -EINVAL;
+
+	return squashfs_xattr_get(d->d_inode, SQUASHFS_XATTR_USER, name,
+		buffer, size);
+}
+
+struct xattr_handler squashfs_xattr_user_handler = {
+	.prefix	= XATTR_USER_PREFIX,
+	.list	= squashfs_user_list,
+	.get	= squashfs_user_get
+};
+
+/*
+ * Trusted namespace support
+ */
+static size_t squashfs_trusted_list(struct dentry *d, char *list,
+	size_t list_size, const char *name, size_t name_len, int type)
+{
+	if (!capable(CAP_SYS_ADMIN))
+		return 0;
+
+	if (list && XATTR_TRUSTED_PREFIX_LEN <= list_size)
+		memcpy(list, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN);
+	return XATTR_TRUSTED_PREFIX_LEN;
+}
+
+static int squashfs_trusted_get(struct dentry *d, const char *name,
+	void *buffer, size_t size, int type)
+{
+	if (name[0] == '\0')
+		return  -EINVAL;
+
+	return squashfs_xattr_get(d->d_inode, SQUASHFS_XATTR_TRUSTED, name,
+		buffer, size);
+}
+
+struct xattr_handler squashfs_xattr_trusted_handler = {
+	.prefix	= XATTR_TRUSTED_PREFIX,
+	.list	= squashfs_trusted_list,
+	.get	= squashfs_trusted_get
+};
+
+/*
+ * Security namespace support
+ */
+static size_t squashfs_security_list(struct dentry *d, char *list,
+	size_t list_size, const char *name, size_t name_len, int type)
+{
+	if (list && XATTR_SECURITY_PREFIX_LEN <= list_size)
+		memcpy(list, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN);
+	return XATTR_SECURITY_PREFIX_LEN;
+}
+
+static int squashfs_security_get(struct dentry *d, const char *name,
+	void *buffer, size_t size, int type)
+{
+	if (name[0] == '\0')
+		return  -EINVAL;
+
+	return squashfs_xattr_get(d->d_inode, SQUASHFS_XATTR_SECURITY, name,
+		buffer, size);
+}
+
+struct xattr_handler squashfs_xattr_security_handler = {
+	.prefix	= XATTR_SECURITY_PREFIX,
+	.list	= squashfs_security_list,
+	.get	= squashfs_security_get
+};
+
+static inline struct xattr_handler *squashfs_xattr_handler(int type)
+{
+	if (type & ~(SQUASHFS_XATTR_PREFIX_MASK | SQUASHFS_XATTR_VALUE_OOL))
+		/* ignore unrecognised type */
+		return NULL;
+
+	switch (type & SQUASHFS_XATTR_PREFIX_MASK) {
+	case SQUASHFS_XATTR_USER:
+		return &squashfs_xattr_user_handler;
+	case SQUASHFS_XATTR_TRUSTED:
+		return &squashfs_xattr_trusted_handler;
+	case SQUASHFS_XATTR_SECURITY:
+		return &squashfs_xattr_security_handler;
+	default:
+		/* ignore unrecognised type */
+		return NULL;
+	}
+}
+
+struct xattr_handler *squashfs_xattr_handlers[] = {
+	&squashfs_xattr_user_handler,
+	&squashfs_xattr_trusted_handler,
+	&squashfs_xattr_security_handler,
+	NULL
+};
+

From 67f66cc6c728de183d9d43c243cb163c1ebd8e04 Mon Sep 17 00:00:00 2001
From: Phillip Lougher <phillip@lougher.demon.co.uk>
Date: Mon, 17 May 2010 04:06:56 +0100
Subject: [PATCH 1770/3638] squashfs: add new extended inode types

Add new extended inode types that store the xattr_id field.
Also add the necessary code changes to make xattrs visibile.

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 fs/squashfs/inode.c       | 91 ++++++++++++++++++++++++++++++++++++---
 fs/squashfs/namei.c       |  5 ++-
 fs/squashfs/squashfs.h    | 12 +++++-
 fs/squashfs/squashfs_fs.h | 25 +++++++++++
 fs/squashfs/super.c       |  8 +---
 fs/squashfs/symlink.c     | 10 +++++
 6 files changed, 135 insertions(+), 16 deletions(-)

diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c
index 49daaf669e4..250701180a3 100644
--- a/fs/squashfs/inode.c
+++ b/fs/squashfs/inode.c
@@ -40,6 +40,7 @@
 
 #include <linux/fs.h>
 #include <linux/vfs.h>
+#include <linux/xattr.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
@@ -111,6 +112,7 @@ int squashfs_read_inode(struct inode *inode, long long ino)
 	int err, type, offset = SQUASHFS_INODE_OFFSET(ino);
 	union squashfs_inode squashfs_ino;
 	struct squashfs_base_inode *sqshb_ino = &squashfs_ino.base;
+	int xattr_id = SQUASHFS_INVALID_XATTR;
 
 	TRACE("Entered squashfs_read_inode\n");
 
@@ -199,8 +201,10 @@ int squashfs_read_inode(struct inode *inode, long long ino)
 			frag_offset = 0;
 		}
 
+		xattr_id = le32_to_cpu(sqsh_ino->xattr);
 		inode->i_nlink = le32_to_cpu(sqsh_ino->nlink);
 		inode->i_size = le64_to_cpu(sqsh_ino->file_size);
+		inode->i_op = &squashfs_inode_ops;
 		inode->i_fop = &generic_ro_fops;
 		inode->i_mode |= S_IFREG;
 		inode->i_blocks = ((inode->i_size -
@@ -251,6 +255,7 @@ int squashfs_read_inode(struct inode *inode, long long ino)
 		if (err < 0)
 			goto failed_read;
 
+		xattr_id = le32_to_cpu(sqsh_ino->xattr);
 		inode->i_nlink = le32_to_cpu(sqsh_ino->nlink);
 		inode->i_size = le32_to_cpu(sqsh_ino->file_size);
 		inode->i_op = &squashfs_dir_inode_ops;
@@ -280,21 +285,33 @@ int squashfs_read_inode(struct inode *inode, long long ino)
 
 		inode->i_nlink = le32_to_cpu(sqsh_ino->nlink);
 		inode->i_size = le32_to_cpu(sqsh_ino->symlink_size);
-		inode->i_op = &page_symlink_inode_operations;
+		inode->i_op = &squashfs_symlink_inode_ops;
 		inode->i_data.a_ops = &squashfs_symlink_aops;
 		inode->i_mode |= S_IFLNK;
 		squashfs_i(inode)->start = block;
 		squashfs_i(inode)->offset = offset;
 
+		if (type == SQUASHFS_LSYMLINK_TYPE) {
+			__le32 xattr;
+
+			err = squashfs_read_metadata(sb, NULL, &block,
+						&offset, inode->i_size);
+			if (err < 0)
+				goto failed_read;
+			err = squashfs_read_metadata(sb, &xattr, &block,
+						&offset, sizeof(xattr));
+			if (err < 0)
+				goto failed_read;
+			xattr_id = le32_to_cpu(xattr);
+		}
+
 		TRACE("Symbolic link inode %x:%x, start_block %llx, offset "
 				"%x\n", SQUASHFS_INODE_BLK(ino), offset,
 				block, offset);
 		break;
 	}
 	case SQUASHFS_BLKDEV_TYPE:
-	case SQUASHFS_CHRDEV_TYPE:
-	case SQUASHFS_LBLKDEV_TYPE:
-	case SQUASHFS_LCHRDEV_TYPE: {
+	case SQUASHFS_CHRDEV_TYPE: {
 		struct squashfs_dev_inode *sqsh_ino = &squashfs_ino.dev;
 		unsigned int rdev;
 
@@ -315,10 +332,32 @@ int squashfs_read_inode(struct inode *inode, long long ino)
 				SQUASHFS_INODE_BLK(ino), offset, rdev);
 		break;
 	}
+	case SQUASHFS_LBLKDEV_TYPE:
+	case SQUASHFS_LCHRDEV_TYPE: {
+		struct squashfs_ldev_inode *sqsh_ino = &squashfs_ino.ldev;
+		unsigned int rdev;
+
+		err = squashfs_read_metadata(sb, sqsh_ino, &block, &offset,
+				sizeof(*sqsh_ino));
+		if (err < 0)
+			goto failed_read;
+
+		if (type == SQUASHFS_LCHRDEV_TYPE)
+			inode->i_mode |= S_IFCHR;
+		else
+			inode->i_mode |= S_IFBLK;
+		xattr_id = le32_to_cpu(sqsh_ino->xattr);
+		inode->i_op = &squashfs_inode_ops;
+		inode->i_nlink = le32_to_cpu(sqsh_ino->nlink);
+		rdev = le32_to_cpu(sqsh_ino->rdev);
+		init_special_inode(inode, inode->i_mode, new_decode_dev(rdev));
+
+		TRACE("Device inode %x:%x, rdev %x\n",
+				SQUASHFS_INODE_BLK(ino), offset, rdev);
+		break;
+	}
 	case SQUASHFS_FIFO_TYPE:
-	case SQUASHFS_SOCKET_TYPE:
-	case SQUASHFS_LFIFO_TYPE:
-	case SQUASHFS_LSOCKET_TYPE: {
+	case SQUASHFS_SOCKET_TYPE: {
 		struct squashfs_ipc_inode *sqsh_ino = &squashfs_ino.ipc;
 
 		err = squashfs_read_metadata(sb, sqsh_ino, &block, &offset,
@@ -334,14 +373,52 @@ int squashfs_read_inode(struct inode *inode, long long ino)
 		init_special_inode(inode, inode->i_mode, 0);
 		break;
 	}
+	case SQUASHFS_LFIFO_TYPE:
+	case SQUASHFS_LSOCKET_TYPE: {
+		struct squashfs_lipc_inode *sqsh_ino = &squashfs_ino.lipc;
+
+		err = squashfs_read_metadata(sb, sqsh_ino, &block, &offset,
+				sizeof(*sqsh_ino));
+		if (err < 0)
+			goto failed_read;
+
+		if (type == SQUASHFS_LFIFO_TYPE)
+			inode->i_mode |= S_IFIFO;
+		else
+			inode->i_mode |= S_IFSOCK;
+		xattr_id = le32_to_cpu(sqsh_ino->xattr);
+		inode->i_op = &squashfs_inode_ops;
+		inode->i_nlink = le32_to_cpu(sqsh_ino->nlink);
+		init_special_inode(inode, inode->i_mode, 0);
+		break;
+	}
 	default:
 		ERROR("Unknown inode type %d in squashfs_iget!\n", type);
 		return -EINVAL;
 	}
 
+	if (xattr_id != SQUASHFS_INVALID_XATTR && msblk->xattr_id_table) {
+		err = squashfs_xattr_lookup(sb, xattr_id,
+					&squashfs_i(inode)->xattr_count,
+					&squashfs_i(inode)->xattr_size,
+					&squashfs_i(inode)->xattr);
+		if (err < 0)
+			goto failed_read;
+		inode->i_blocks += ((squashfs_i(inode)->xattr_size - 1) >> 9)
+				+ 1;
+	} else
+		squashfs_i(inode)->xattr_count = 0;
+
 	return 0;
 
 failed_read:
 	ERROR("Unable to read inode 0x%llx\n", ino);
 	return err;
 }
+
+
+const struct inode_operations squashfs_inode_ops = {
+	.getxattr = generic_getxattr,
+	.listxattr = squashfs_listxattr
+};
+
diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c
index 5266bd8ad93..32f5b54d1ce 100644
--- a/fs/squashfs/namei.c
+++ b/fs/squashfs/namei.c
@@ -57,6 +57,7 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/dcache.h>
+#include <linux/xattr.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
@@ -237,5 +238,7 @@ failed:
 
 
 const struct inode_operations squashfs_dir_inode_ops = {
-	.lookup = squashfs_lookup
+	.lookup = squashfs_lookup,
+	.getxattr = generic_getxattr,
+	.listxattr = squashfs_listxattr
 };
diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
index 133befe2f8b..7d238107058 100644
--- a/fs/squashfs/squashfs.h
+++ b/fs/squashfs/squashfs.h
@@ -73,6 +73,9 @@ extern struct inode *squashfs_iget(struct super_block *, long long,
 				unsigned int);
 extern int squashfs_read_inode(struct inode *, long long);
 
+/* xattr.c */
+extern ssize_t squashfs_listxattr(struct dentry *, char *, size_t);
+
 /* xattr_id.c */
 extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
 				int *, long long *);
@@ -80,7 +83,7 @@ extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
 				u64 *, int *);
 
 /*
- * Inodes, files and decompressor operations
+ * Inodes, files,  decompressor and xattr operations
  */
 
 /* dir.c */
@@ -92,11 +95,18 @@ extern const struct export_operations squashfs_export_ops;
 /* file.c */
 extern const struct address_space_operations squashfs_aops;
 
+/* inode.c */
+extern const struct inode_operations squashfs_inode_ops;
+
 /* namei.c */
 extern const struct inode_operations squashfs_dir_inode_ops;
 
 /* symlink.c */
 extern const struct address_space_operations squashfs_symlink_aops;
+extern const struct inode_operations squashfs_symlink_inode_ops;
+
+/* xattr.c */
+extern struct xattr_handler *squashfs_xattr_handlers[];
 
 /* zlib_wrapper.c */
 extern const struct squashfs_decompressor squashfs_zlib_comp_ops;
diff --git a/fs/squashfs/squashfs_fs.h b/fs/squashfs/squashfs_fs.h
index 6fe940cf901..8eabb808b78 100644
--- a/fs/squashfs/squashfs_fs.h
+++ b/fs/squashfs/squashfs_fs.h
@@ -287,6 +287,17 @@ struct squashfs_ipc_inode {
 	__le32			nlink;
 };
 
+struct squashfs_lipc_inode {
+	__le16			inode_type;
+	__le16			mode;
+	__le16			uid;
+	__le16			guid;
+	__le32			mtime;
+	__le32	 		inode_number;
+	__le32			nlink;
+	__le32			xattr;
+};
+
 struct squashfs_dev_inode {
 	__le16			inode_type;
 	__le16			mode;
@@ -298,6 +309,18 @@ struct squashfs_dev_inode {
 	__le32			rdev;
 };
 
+struct squashfs_ldev_inode {
+	__le16			inode_type;
+	__le16			mode;
+	__le16			uid;
+	__le16			guid;
+	__le32			mtime;
+	__le32	 		inode_number;
+	__le32			nlink;
+	__le32			rdev;
+	__le32			xattr;
+};
+
 struct squashfs_symlink_inode {
 	__le16			inode_type;
 	__le16			mode;
@@ -375,12 +398,14 @@ struct squashfs_ldir_inode {
 union squashfs_inode {
 	struct squashfs_base_inode		base;
 	struct squashfs_dev_inode		dev;
+	struct squashfs_ldev_inode		ldev;
 	struct squashfs_symlink_inode		symlink;
 	struct squashfs_reg_inode		reg;
 	struct squashfs_lreg_inode		lreg;
 	struct squashfs_dir_inode		dir;
 	struct squashfs_ldir_inode		ldir;
 	struct squashfs_ipc_inode		ipc;
+	struct squashfs_lipc_inode		lipc;
 };
 
 struct squashfs_dir_entry {
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index c4dfc393fa5..b6425ac1c2a 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -140,13 +140,6 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 	if (msblk->decompressor == NULL)
 		goto failed_mount;
 
-	/*
-	 * Check if there's xattrs in the filesystem.  These are not
-	 * supported in this version, so warn that they will be ignored.
-	 */
-	if (le64_to_cpu(sblk->xattr_id_table_start) != SQUASHFS_INVALID_BLK)
-		ERROR("Xattrs in filesystem, these will be ignored\n");
-
 	/* Check the filesystem does not extend beyond the end of the
 	   block device */
 	msblk->bytes_used = le64_to_cpu(sblk->bytes_used);
@@ -268,6 +261,7 @@ allocate_lookup_table:
 	sb->s_export_op = &squashfs_export_ops;
 
 allocate_xattr_table:
+	sb->s_xattr = squashfs_xattr_handlers;
 	xattr_id_table_start = le64_to_cpu(sblk->xattr_id_table_start);
 	if (xattr_id_table_start == SQUASHFS_INVALID_BLK)
 		goto allocate_root;
diff --git a/fs/squashfs/symlink.c b/fs/squashfs/symlink.c
index 32b911f4ee3..a7ee68a8621 100644
--- a/fs/squashfs/symlink.c
+++ b/fs/squashfs/symlink.c
@@ -35,6 +35,7 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/pagemap.h>
+#include <linux/xattr.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
@@ -114,3 +115,12 @@ error_out:
 const struct address_space_operations squashfs_symlink_aops = {
 	.readpage = squashfs_symlink_readpage
 };
+
+const struct inode_operations squashfs_symlink_inode_ops = {
+	.readlink = generic_readlink,
+	.follow_link = page_follow_link_light,
+	.put_link = page_put_link,
+	.getxattr = generic_getxattr,
+	.listxattr = squashfs_listxattr
+};
+

From 01e5b4e4e897fce8c7e6236bc933c9721c7ee237 Mon Sep 17 00:00:00 2001
From: Phillip Lougher <phillip@lougher.demon.co.uk>
Date: Mon, 17 May 2010 19:39:02 +0100
Subject: [PATCH 1771/3638] squashfs: add xattr support configure option

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 fs/squashfs/Kconfig    | 11 +++++++++++
 fs/squashfs/Makefile   |  2 +-
 fs/squashfs/inode.c    |  1 +
 fs/squashfs/namei.c    |  1 +
 fs/squashfs/squashfs.h |  6 ------
 fs/squashfs/super.c    |  4 +++-
 fs/squashfs/symlink.c  |  1 +
 fs/squashfs/xattr.h    | 45 ++++++++++++++++++++++++++++++++++++++++++
 8 files changed, 63 insertions(+), 8 deletions(-)
 create mode 100644 fs/squashfs/xattr.h

diff --git a/fs/squashfs/Kconfig b/fs/squashfs/Kconfig
index 25a00d19d68..cc6ce8a84c2 100644
--- a/fs/squashfs/Kconfig
+++ b/fs/squashfs/Kconfig
@@ -26,6 +26,17 @@ config SQUASHFS
 
 	  If unsure, say N.
 
+config SQUASHFS_XATTRS
+	bool "Squashfs XATTR support"
+	depends on SQUASHFS
+	default n
+	help
+	  Saying Y here includes support for extended attributes (xattrs).
+	  Xattrs are name:value pairs associated with inodes by
+	  the kernel or by users (see the attr(5) manual page).
+
+	  If unsure, say N.
+
 config SQUASHFS_EMBEDDED
 
 	bool "Additional option for memory-constrained systems" 
diff --git a/fs/squashfs/Makefile b/fs/squashfs/Makefile
index 56684d46410..2cee3e9fa45 100644
--- a/fs/squashfs/Makefile
+++ b/fs/squashfs/Makefile
@@ -5,5 +5,5 @@
 obj-$(CONFIG_SQUASHFS) += squashfs.o
 squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o
 squashfs-y += namei.o super.o symlink.o zlib_wrapper.o decompressor.o
-squashfs-y += xattr.o xattr_id.o
+squashfs-$(CONFIG_SQUASHFS_XATTRS) += xattr.o xattr_id.o
 
diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c
index 250701180a3..62e63ad2507 100644
--- a/fs/squashfs/inode.c
+++ b/fs/squashfs/inode.c
@@ -46,6 +46,7 @@
 #include "squashfs_fs_sb.h"
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
+#include "xattr.h"
 
 /*
  * Initialise VFS inode with the base inode information common to all
diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c
index 32f5b54d1ce..7a9464d08cf 100644
--- a/fs/squashfs/namei.c
+++ b/fs/squashfs/namei.c
@@ -63,6 +63,7 @@
 #include "squashfs_fs_sb.h"
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
+#include "xattr.h"
 
 /*
  * Lookup name in the directory index, returning the location of the metadata
diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
index 7d238107058..305ce15d2d2 100644
--- a/fs/squashfs/squashfs.h
+++ b/fs/squashfs/squashfs.h
@@ -76,12 +76,6 @@ extern int squashfs_read_inode(struct inode *, long long);
 /* xattr.c */
 extern ssize_t squashfs_listxattr(struct dentry *, char *, size_t);
 
-/* xattr_id.c */
-extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
-				int *, long long *);
-extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
-				u64 *, int *);
-
 /*
  * Inodes, files,  decompressor and xattr operations
  */
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index b6425ac1c2a..88b4f860665 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -43,6 +43,7 @@
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
 #include "decompressor.h"
+#include "xattr.h"
 
 static struct file_system_type squashfs_fs_type;
 static const struct super_operations squashfs_super_ops;
@@ -272,7 +273,8 @@ allocate_xattr_table:
 	if (IS_ERR(msblk->xattr_id_table)) {
 		err = PTR_ERR(msblk->xattr_id_table);
 		msblk->xattr_id_table = NULL;
-		goto failed_mount;
+		if (err != -ENOTSUPP)
+			goto failed_mount;
 	}
 allocate_root:
 	root = new_inode(sb);
diff --git a/fs/squashfs/symlink.c b/fs/squashfs/symlink.c
index a7ee68a8621..ec86434921e 100644
--- a/fs/squashfs/symlink.c
+++ b/fs/squashfs/symlink.c
@@ -41,6 +41,7 @@
 #include "squashfs_fs_sb.h"
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
+#include "xattr.h"
 
 static int squashfs_symlink_readpage(struct file *file, struct page *page)
 {
diff --git a/fs/squashfs/xattr.h b/fs/squashfs/xattr.h
new file mode 100644
index 00000000000..4a96366bfcc
--- /dev/null
+++ b/fs/squashfs/xattr.h
@@ -0,0 +1,45 @@
+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * Copyright (c) 2010
+ * Phillip Lougher <phillip@lougher.demon.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * xattr.h
+ */
+
+#ifdef CONFIG_SQUASHFS_XATTRS
+extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
+		u64 *, int *);
+extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
+		int *, long long *);
+#else
+static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
+		u64 start, u64 *xattr_table_start, int *xattr_ids)
+{
+	ERROR("Xattrs in filesystem, these will be ignored\n");
+	return ERR_PTR(-ENOTSUPP);
+}
+
+static inline int squashfs_xattr_lookup(struct super_block *sb,
+		unsigned int index, int *count, int *size, long long *xattr)
+{
+	return 0;
+}
+#define squashfs_listxattr NULL
+#define generic_getxattr NULL
+#define squashfs_xattr_handlers NULL
+#endif

From d0742abaa1c396a26bb3d3ce2732988cd3faa020 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Mon, 17 May 2010 20:57:02 +0200
Subject: [PATCH 1772/3638] HID: add omitted hid-zydacron.c file

Commit a9885c8f7bf62e251fc178 ("HID: Zydacron Remote Control driver") added
hid-zydracon driver by Don Prince, but mistakenly omitted hid-zydracon.c
file itself. Properly add the file.

Reported-by: Don Prince <dhprince.devel@yahoo.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-zydacron.c | 237 +++++++++++++++++++++++++++++++++++++
 1 file changed, 237 insertions(+)
 create mode 100644 drivers/hid/hid-zydacron.c

diff --git a/drivers/hid/hid-zydacron.c b/drivers/hid/hid-zydacron.c
new file mode 100644
index 00000000000..9e8d35a203e
--- /dev/null
+++ b/drivers/hid/hid-zydacron.c
@@ -0,0 +1,237 @@
+/*
+*  HID driver for zydacron remote control
+*
+*  Copyright (c) 2010 Don Prince <dhprince.devel@yahoo.co.uk>
+*/
+
+/*
+* This program is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License as published by the Free
+* Software Foundation; either version 2 of the License, or (at your option)
+* any later version.
+*/
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+struct zc_device {
+	struct input_dev	*input_ep81;
+	unsigned short		last_key[4];
+};
+
+
+/*
+* Zydacron remote control has an invalid HID report descriptor,
+* that needs fixing before we can parse it.
+*/
+static void zc_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+	unsigned int rsize)
+{
+	if (rsize >= 253 &&
+		rdesc[0x96] == 0xbc && rdesc[0x97] == 0xff &&
+		rdesc[0xca] == 0xbc && rdesc[0xcb] == 0xff &&
+		rdesc[0xe1] == 0xbc && rdesc[0xe2] == 0xff) {
+			dev_info(&hdev->dev,
+				"fixing up zydacron remote control report "
+				"descriptor\n");
+			rdesc[0x96] = rdesc[0xca] = rdesc[0xe1] = 0x0c;
+			rdesc[0x97] = rdesc[0xcb] = rdesc[0xe2] = 0x00;
+		}
+}
+
+#define zc_map_key_clear(c) \
+	hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
+
+static int zc_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+	struct hid_field *field, struct hid_usage *usage,
+	unsigned long **bit, int *max)
+{
+	int i;
+	struct zc_device *zc = hid_get_drvdata(hdev);
+	zc->input_ep81 = hi->input;
+
+	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
+		return 0;
+
+	dbg_hid("zynacron input mapping event [0x%x]\n",
+		usage->hid & HID_USAGE);
+
+	switch (usage->hid & HID_USAGE) {
+	/* report 2 */
+	case 0x10:
+		zc_map_key_clear(KEY_MODE);
+		break;
+	case 0x30:
+		zc_map_key_clear(KEY_SCREEN);
+		break;
+	case 0x70:
+		zc_map_key_clear(KEY_INFO);
+		break;
+	/* report 3 */
+	case 0x04:
+		zc_map_key_clear(KEY_RADIO);
+		break;
+	/* report 4 */
+	case 0x0d:
+		zc_map_key_clear(KEY_PVR);
+		break;
+	case 0x25:
+		zc_map_key_clear(KEY_TV);
+		break;
+	case 0x47:
+		zc_map_key_clear(KEY_AUDIO);
+		break;
+	case 0x49:
+		zc_map_key_clear(KEY_AUX);
+		break;
+	case 0x4a:
+		zc_map_key_clear(KEY_VIDEO);
+		break;
+	case 0x48:
+		zc_map_key_clear(KEY_DVD);
+		break;
+	case 0x24:
+		zc_map_key_clear(KEY_MENU);
+		break;
+	case 0x32:
+		zc_map_key_clear(KEY_TEXT);
+		break;
+	default:
+		return 0;
+	}
+
+	for (i = 0; i < 4; i++)
+		zc->last_key[i] = 0;
+
+	return 1;
+}
+
+static int zc_raw_event(struct hid_device *hdev, struct hid_report *report,
+	 u8 *data, int size)
+{
+	struct zc_device *zc = hid_get_drvdata(hdev);
+	int ret = 0;
+	unsigned key;
+	unsigned short index;
+
+	if (report->id == data[0]) {
+
+		/* break keys */
+		for (index = 0; index < 4; index++) {
+			key = zc->last_key[index];
+			if (key) {
+				input_event(zc->input_ep81, EV_KEY, key, 0);
+				zc->last_key[index] = 0;
+			}
+		}
+
+		key = 0;
+		switch (report->id) {
+		case 0x02:
+		case 0x03:
+			switch (data[1]) {
+			case 0x10:
+				key = KEY_MODE;
+				index = 0;
+				break;
+			case 0x30:
+				key = KEY_SCREEN;
+				index = 1;
+				break;
+			case 0x70:
+				key = KEY_INFO;
+				index = 2;
+				break;
+			case 0x04:
+				key = KEY_RADIO;
+				index = 3;
+				break;
+			}
+
+			if (key) {
+				input_event(zc->input_ep81, EV_KEY, key, 1);
+				zc->last_key[index] = key;
+			}
+
+			ret = 1;
+			break;
+		}
+	}
+
+	return ret;
+}
+
+static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int ret;
+	struct zc_device *zc;
+
+	zc = kzalloc(sizeof(*zc), GFP_KERNEL);
+	if (zc == NULL) {
+		dev_err(&hdev->dev, "zydacron: can't alloc descriptor\n");
+		return -ENOMEM;
+	}
+
+	hid_set_drvdata(hdev, zc);
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		dev_err(&hdev->dev, "zydacron: parse failed\n");
+		goto err_free;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (ret) {
+		dev_err(&hdev->dev, "zydacron: hw start failed\n");
+		goto err_free;
+	}
+
+	return 0;
+err_free:
+	kfree(zc);
+
+	return ret;
+}
+
+static void zc_remove(struct hid_device *hdev)
+{
+	struct zc_device *zc = hid_get_drvdata(hdev);
+
+	hid_hw_stop(hdev);
+
+	if (NULL != zc)
+		kfree(zc);
+}
+
+static const struct hid_device_id zc_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, zc_devices);
+
+static struct hid_driver zc_driver = {
+	.name = "zydacron",
+	.id_table = zc_devices,
+	.report_fixup = zc_report_fixup,
+	.input_mapping = zc_input_mapping,
+	.raw_event = zc_raw_event,
+	.probe = zc_probe,
+	.remove = zc_remove,
+};
+
+static int __init zc_init(void)
+{
+	return hid_register_driver(&zc_driver);
+}
+
+static void __exit zc_exit(void)
+{
+	hid_unregister_driver(&zc_driver);
+}
+
+module_init(zc_init);
+module_exit(zc_exit);
+MODULE_LICENSE("GPL");

From aa5b1894cbc700d7462947c017ca9b7bcda1e8ed Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 16:32:21 -0700
Subject: [PATCH 1773/3638] squashfs: xattr_lookup sparse fix

Sparse detected that unsigned pointer was being passed as int pointer.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
[fixed up to deal with code refactoring]
Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 fs/squashfs/xattr.h    | 5 +++--
 fs/squashfs/xattr_id.c | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/squashfs/xattr.h b/fs/squashfs/xattr.h
index 4a96366bfcc..9da071ae181 100644
--- a/fs/squashfs/xattr.h
+++ b/fs/squashfs/xattr.h
@@ -25,7 +25,7 @@
 extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
 		u64 *, int *);
 extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
-		int *, long long *);
+		int *, unsigned long long *);
 #else
 static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
 		u64 start, u64 *xattr_table_start, int *xattr_ids)
@@ -35,7 +35,8 @@ static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
 }
 
 static inline int squashfs_xattr_lookup(struct super_block *sb,
-		unsigned int index, int *count, int *size, long long *xattr)
+		unsigned int index, int *count, int *size,
+		unsigned long long *xattr)
 {
 	return 0;
 }
diff --git a/fs/squashfs/xattr_id.c b/fs/squashfs/xattr_id.c
index a74101244a9..cfb41106098 100644
--- a/fs/squashfs/xattr_id.c
+++ b/fs/squashfs/xattr_id.c
@@ -39,7 +39,7 @@
  * Map xattr id using the xattr id look up table
  */
 int squashfs_xattr_lookup(struct super_block *sb, unsigned int index,
-		int *count, int *size, long long *xattr)
+		int *count, unsigned int *size, unsigned long long *xattr)
 {
 	struct squashfs_sb_info *msblk = sb->s_fs_info;
 	int block = SQUASHFS_XATTR_BLOCK(index);

From 0f87ee08564b95389e609699990725efd282021c Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 16:32:22 -0700
Subject: [PATCH 1774/3638] squashfs: xattr fix sparse warnings

Sparse does not like inline function declared without body,
because it is not part of the standard kernel practice.

The xattr_handler tables can be declared static.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 fs/squashfs/xattr.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
index 147ecc3f69e..de03889050b 100644
--- a/fs/squashfs/xattr.c
+++ b/fs/squashfs/xattr.c
@@ -34,7 +34,7 @@
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
 
-static inline struct xattr_handler *squashfs_xattr_handler(int);
+static struct xattr_handler *squashfs_xattr_handler(int);
 
 ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
 	size_t buffer_size)
@@ -228,7 +228,7 @@ static int squashfs_user_get(struct dentry *d, const char *name, void *buffer,
 		buffer, size);
 }
 
-struct xattr_handler squashfs_xattr_user_handler = {
+static struct xattr_handler squashfs_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
 	.list	= squashfs_user_list,
 	.get	= squashfs_user_get
@@ -258,7 +258,7 @@ static int squashfs_trusted_get(struct dentry *d, const char *name,
 		buffer, size);
 }
 
-struct xattr_handler squashfs_xattr_trusted_handler = {
+static struct xattr_handler squashfs_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
 	.list	= squashfs_trusted_list,
 	.get	= squashfs_trusted_get
@@ -285,7 +285,7 @@ static int squashfs_security_get(struct dentry *d, const char *name,
 		buffer, size);
 }
 
-struct xattr_handler squashfs_xattr_security_handler = {
+static struct xattr_handler squashfs_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
 	.list	= squashfs_security_list,
 	.get	= squashfs_security_get

From 21b667f69b023979410188d7d94c9b219f216626 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 4 Mar 2010 10:22:59 -0800
Subject: [PATCH 1775/3638] ceph: simplify page setup for incoming data

Drop largely useless helper __prepare_pages(), and simplify sanity checks.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/osd_client.c | 56 ++++++++++----------------------------------
 1 file changed, 12 insertions(+), 44 deletions(-)

diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 3514f71ff85..22a33f8c880 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -1087,45 +1087,6 @@ bad:
 	return;
 }
 
-
-/*
- * A read request prepares specific pages that data is to be read into.
- * When a message is being read off the wire, we call prepare_pages to
- * find those pages.
- *  0 = success, -1 failure.
- */
-static int __prepare_pages(struct ceph_connection *con,
-			 struct ceph_msg_header *hdr,
-			 struct ceph_osd_request *req,
-			 u64 tid,
-			 struct ceph_msg *m)
-{
-	struct ceph_osd *osd = con->private;
-	struct ceph_osd_client *osdc;
-	int ret = -1;
-	int data_len = le32_to_cpu(hdr->data_len);
-	unsigned data_off = le16_to_cpu(hdr->data_off);
-
-	int want = calc_pages_for(data_off & ~PAGE_MASK, data_len);
-
-	if (!osd)
-		return -1;
-
-	osdc = osd->o_osdc;
-
-	dout("__prepare_pages on msg %p tid %llu, has %d pages, want %d\n", m,
-	     tid, req->r_num_pages, want);
-	if (unlikely(req->r_num_pages < want))
-		goto out;
-	m->pages = req->r_pages;
-	m->nr_pages = req->r_num_pages;
-	ret = 0; /* success */
-out:
-	BUG_ON(ret < 0 || m->nr_pages < want);
-
-	return ret;
-}
-
 /*
  * Register request, send initial attempt.
  */
@@ -1394,7 +1355,8 @@ static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)
 }
 
 /*
- * lookup and return message for incoming reply
+ * lookup and return message for incoming reply.  set up reply message
+ * pages.
  */
 static struct ceph_msg *get_reply(struct ceph_connection *con,
 				  struct ceph_msg_header *hdr,
@@ -1407,7 +1369,6 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
 	int front = le32_to_cpu(hdr->front_len);
 	int data_len = le32_to_cpu(hdr->data_len);
 	u64 tid;
-	int err;
 
 	tid = le64_to_cpu(hdr->tid);
 	mutex_lock(&osdc->request_mutex);
@@ -1439,12 +1400,19 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
 	m = ceph_msg_get(req->r_reply);
 
 	if (data_len > 0) {
-		err = __prepare_pages(con, hdr, req, tid, m);
-		if (err < 0) {
+		unsigned data_off = le16_to_cpu(hdr->data_off);
+		int want = calc_pages_for(data_off & ~PAGE_MASK, data_len);
+
+		if (unlikely(req->r_num_pages < want)) {
+			pr_warning("tid %lld reply %d > expected %d pages\n",
+				   tid, want, m->nr_pages);
 			*skip = 1;
 			ceph_msg_put(m);
-			m = ERR_PTR(err);
+			m = ERR_PTR(-EIO);
+			goto out;
 		}
+		m->pages = req->r_pages;
+		m->nr_pages = req->r_num_pages;
 	}
 	*skip = 0;
 	req->r_con_filling_msg = ceph_con_get(con);

From f553069e5d7c6f53688ae4470173fcb1be97cbe7 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 17 Mar 2010 08:53:04 -0700
Subject: [PATCH 1776/3638] ceph: update for removal of kref_set

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/msgpool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c
index ca3b44a89f2..030297f62fb 100644
--- a/fs/ceph/msgpool.c
+++ b/fs/ceph/msgpool.c
@@ -170,7 +170,7 @@ void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *msg)
 		msg->front.iov_len = pool->front_len;
 		msg->hdr.front_len = cpu_to_le32(pool->front_len);
 
-		kref_set(&msg->kref, 1);  /* retake a single ref */
+		kref_init(&msg->kref);  /* retake a single ref */
 		list_add(&msg->list_head, &pool->msgs);
 		pool->num++;
 		dout("msgpool_put %p reclaim %p, now %d/%d\n", pool, msg,

From 31459fe4b24c1e09712eff0d82a5276f4fd0e3cf Mon Sep 17 00:00:00 2001
From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Wed, 17 Mar 2010 13:54:02 -0700
Subject: [PATCH 1777/3638] ceph: use __page_cache_alloc and
 add_to_page_cache_lru

Following Nick Piggin patches in btrfs, pagecache pages should be
allocated with __page_cache_alloc, so they obey pagecache memory
policies.

Also, using add_to_page_cache_lru instead of using a private
pagevec where applicable.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/addr.c      | 9 ++-------
 fs/ceph/file.c      | 2 +-
 fs/ceph/messenger.c | 2 +-
 fs/ceph/pagelist.c  | 2 +-
 fs/ceph/xattr.c     | 2 +-
 5 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index a9005d862ed..caf76c7fa77 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -274,7 +274,6 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
 	struct ceph_osd_client *osdc = &ceph_inode_to_client(inode)->osdc;
 	int rc = 0;
 	struct page **pages;
-	struct pagevec pvec;
 	loff_t offset;
 	u64 len;
 
@@ -297,8 +296,6 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
 	if (rc < 0)
 		goto out;
 
-	/* set uptodate and add to lru in pagevec-sized chunks */
-	pagevec_init(&pvec, 0);
 	for (; !list_empty(page_list) && len > 0;
 	     rc -= PAGE_CACHE_SIZE, len -= PAGE_CACHE_SIZE) {
 		struct page *page =
@@ -312,7 +309,7 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
 			zero_user_segment(page, s, PAGE_CACHE_SIZE);
 		}
 
-		if (add_to_page_cache(page, mapping, page->index, GFP_NOFS)) {
+		if (add_to_page_cache_lru(page, mapping, page->index, GFP_NOFS)) {
 			page_cache_release(page);
 			dout("readpages %p add_to_page_cache failed %p\n",
 			     inode, page);
@@ -323,10 +320,8 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
 		flush_dcache_page(page);
 		SetPageUptodate(page);
 		unlock_page(page);
-		if (pagevec_add(&pvec, page) == 0)
-			pagevec_lru_add_file(&pvec);   /* add to lru */
+		page_cache_release(page);
 	}
-	pagevec_lru_add_file(&pvec);
 	rc = 0;
 
 out:
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ed6f19721d6..6230c3de1f0 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -326,7 +326,7 @@ static struct page **alloc_page_vector(int num_pages)
 	if (!pages)
 		return ERR_PTR(-ENOMEM);
 	for (i = 0; i < num_pages; i++) {
-		pages[i] = alloc_page(GFP_NOFS);
+		pages[i] = __page_cache_alloc(GFP_NOFS);
 		if (pages[i] == NULL) {
 			ceph_release_page_vector(pages, i);
 			return ERR_PTR(-ENOMEM);
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index cd4fadb6491..af3b143fbf0 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -1947,7 +1947,7 @@ struct ceph_messenger *ceph_messenger_create(struct ceph_entity_addr *myaddr)
 
 	/* the zero page is needed if a request is "canceled" while the message
 	 * is being written over the socket */
-	msgr->zero_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+	msgr->zero_page = __page_cache_alloc(GFP_KERNEL | __GFP_ZERO);
 	if (!msgr->zero_page) {
 		kfree(msgr);
 		return ERR_PTR(-ENOMEM);
diff --git a/fs/ceph/pagelist.c b/fs/ceph/pagelist.c
index 5f8dbf7c745..b6859f47d36 100644
--- a/fs/ceph/pagelist.c
+++ b/fs/ceph/pagelist.c
@@ -20,7 +20,7 @@ int ceph_pagelist_release(struct ceph_pagelist *pl)
 
 static int ceph_pagelist_addpage(struct ceph_pagelist *pl)
 {
-	struct page *page = alloc_page(GFP_NOFS);
+	struct page *page = __page_cache_alloc(GFP_NOFS);
 	if (!page)
 		return -ENOMEM;
 	pl->room += PAGE_SIZE;
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 2845422907f..8938934c4c9 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -641,7 +641,7 @@ static int ceph_sync_setxattr(struct dentry *dentry, const char *name,
 			return -ENOMEM;
 		err = -ENOMEM;
 		for (i = 0; i < nr_pages; i++) {
-			pages[i] = alloc_page(GFP_NOFS);
+			pages[i] = __page_cache_alloc(GFP_NOFS);
 			if (!pages[i]) {
 				nr_pages = i;
 				goto out;

From 104648ad3f2ebe8556c020e5f0344853076cd5ee Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 18 Mar 2010 10:14:30 -0700
Subject: [PATCH 1778/3638] ceph: reduce build_path debug output

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 76995a96043..ccb4141e306 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1268,7 +1268,7 @@ retry:
 		struct inode *inode = temp->d_inode;
 
 		if (inode && ceph_snap(inode) == CEPH_SNAPDIR) {
-			dout("build_path_dentry path+%d: %p SNAPDIR\n",
+			dout("build_path path+%d: %p SNAPDIR\n",
 			     pos, temp);
 		} else if (stop_on_nosnap && inode &&
 			   ceph_snap(inode) == CEPH_NOSNAP) {
@@ -1279,20 +1279,18 @@ retry:
 				break;
 			strncpy(path + pos, temp->d_name.name,
 				temp->d_name.len);
-			dout("build_path_dentry path+%d: %p '%.*s'\n",
-			     pos, temp, temp->d_name.len, path + pos);
 		}
 		if (pos)
 			path[--pos] = '/';
 		temp = temp->d_parent;
 		if (temp == NULL) {
-			pr_err("build_path_dentry corrupt dentry\n");
+			pr_err("build_path corrupt dentry\n");
 			kfree(path);
 			return ERR_PTR(-EINVAL);
 		}
 	}
 	if (pos != 0) {
-		pr_err("build_path_dentry did not end path lookup where "
+		pr_err("build_path did not end path lookup where "
 		       "expected, namelen is %d, pos is %d\n", len, pos);
 		/* presumably this is only possible if racing with a
 		   rename of one of the parent directories (we can not
@@ -1304,7 +1302,7 @@ retry:
 
 	*base = ceph_ino(temp->d_inode);
 	*plen = len;
-	dout("build_path_dentry on %p %d built %llx '%.*s'\n",
+	dout("build_path on %p %d built %llx '%.*s'\n",
 	     dentry, atomic_read(&dentry->d_count), *base, len, path);
 	return path;
 }

From c7708075f18086ee7d02df8b891910893e9ea372 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sat, 20 Mar 2010 16:01:27 +0300
Subject: [PATCH 1779/3638] ceph: cleanup: remove dead code

"xattr" is never NULL here.  We took care of that in the previous
if statement block.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/xattr.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 8938934c4c9..d940d14f692 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -186,12 +186,6 @@ static int __set_xattr(struct ceph_inode_info *ci,
 		ci->i_xattrs.names_size -= xattr->name_len;
 		ci->i_xattrs.vals_size -= xattr->val_len;
 	}
-	if (!xattr) {
-		pr_err("__set_xattr ENOMEM on %p %llx.%llx xattr %s=%s\n",
-		       &ci->vfs_inode, ceph_vinop(&ci->vfs_inode), name,
-		       xattr->val);
-		return -ENOMEM;
-	}
 	ci->i_xattrs.names_size += name_len;
 	ci->i_xattrs.vals_size += val_len;
 	if (val)

From 6f46cb29350963527b663c9eb4fe964daa9ae707 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 24 Mar 2010 21:30:19 -0700
Subject: [PATCH 1780/3638] ceph: fix theoretically possible double-put on
 connection

This would only trigger if we bailed out before resetting r_con_filling_msg
because the server reply was corrupt (oversized).

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/osd_client.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 22a33f8c880..3d2bfbc232d 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -1386,6 +1386,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
 		     req->r_reply, req->r_con_filling_msg);
 		ceph_con_revoke_message(req->r_con_filling_msg, req->r_reply);
 		ceph_con_put(req->r_con_filling_msg);
+		req->r_con_filling_msg = NULL;
 	}
 
 	if (front > req->r_reply->front.iov_len) {

From 3143edd3a185f1fd370ebdd21b4151aa9f3283a3 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 24 Mar 2010 21:43:33 -0700
Subject: [PATCH 1781/3638] ceph: clean up statfs

Avoid unnecessary msgpool.  Preallocate reply.  Fix use-after-free race.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mon_client.c | 151 +++++++++++++++++++++++++++----------------
 fs/ceph/mon_client.h |   5 +-
 2 files changed, 98 insertions(+), 58 deletions(-)

diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 8fdc011ca95..43cfab06fce 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -393,16 +393,64 @@ static void __insert_statfs(struct ceph_mon_client *monc,
 	rb_insert_color(&new->node, &monc->statfs_request_tree);
 }
 
+static void release_statfs_request(struct kref *kref)
+{
+	struct ceph_mon_statfs_request *req =
+		container_of(kref, struct ceph_mon_statfs_request, kref);
+
+	if (req->reply)
+		ceph_msg_put(req->reply);
+	if (req->request)
+		ceph_msg_put(req->request);
+}
+
+static void put_statfs_request(struct ceph_mon_statfs_request *req)
+{
+	kref_put(&req->kref, release_statfs_request);
+}
+
+static void get_statfs_request(struct ceph_mon_statfs_request *req)
+{
+	kref_get(&req->kref);
+}
+
+static struct ceph_msg *get_statfs_reply(struct ceph_connection *con,
+					 struct ceph_msg_header *hdr,
+					 int *skip)
+{
+	struct ceph_mon_client *monc = con->private;
+	struct ceph_mon_statfs_request *req;
+	u64 tid = le64_to_cpu(hdr->tid);
+	struct ceph_msg *m;
+
+	mutex_lock(&monc->mutex);
+	req = __lookup_statfs(monc, tid);
+	if (!req) {
+		dout("get_statfs_reply %lld dne\n", tid);
+		*skip = 1;
+		m = NULL;
+	} else {
+		dout("get_statfs_reply %lld got %p\n", tid, req->reply);
+		m = ceph_msg_get(req->reply);
+		/*
+		 * we don't need to track the connection reading into
+		 * this reply because we only have one open connection
+		 * at a time, ever.
+		 */
+	}
+	mutex_unlock(&monc->mutex);
+	return m;
+}
+
 static void handle_statfs_reply(struct ceph_mon_client *monc,
 				struct ceph_msg *msg)
 {
 	struct ceph_mon_statfs_request *req;
 	struct ceph_mon_statfs_reply *reply = msg->front.iov_base;
-	u64 tid;
+	u64 tid = le64_to_cpu(msg->hdr.tid);
 
 	if (msg->front.iov_len != sizeof(*reply))
 		goto bad;
-	tid = le64_to_cpu(msg->hdr.tid);
 	dout("handle_statfs_reply %p tid %llu\n", msg, tid);
 
 	mutex_lock(&monc->mutex);
@@ -410,10 +458,13 @@ static void handle_statfs_reply(struct ceph_mon_client *monc,
 	if (req) {
 		*req->buf = reply->st;
 		req->result = 0;
+		get_statfs_request(req);
 	}
 	mutex_unlock(&monc->mutex);
-	if (req)
+	if (req) {
 		complete(&req->completion);
+		put_statfs_request(req);
+	}
 	return;
 
 bad:
@@ -421,68 +472,64 @@ bad:
 	ceph_msg_dump(msg);
 }
 
-/*
- * (re)send a statfs request
- */
-static int send_statfs(struct ceph_mon_client *monc,
-		       struct ceph_mon_statfs_request *req)
-{
-	struct ceph_msg *msg;
-	struct ceph_mon_statfs *h;
-
-	dout("send_statfs tid %llu\n", req->tid);
-	msg = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), 0, 0, NULL);
-	if (IS_ERR(msg))
-		return PTR_ERR(msg);
-	req->request = msg;
-	msg->hdr.tid = cpu_to_le64(req->tid);
-	h = msg->front.iov_base;
-	h->monhdr.have_version = 0;
-	h->monhdr.session_mon = cpu_to_le16(-1);
-	h->monhdr.session_mon_tid = 0;
-	h->fsid = monc->monmap->fsid;
-	ceph_con_send(monc->con, msg);
-	return 0;
-}
-
 /*
  * Do a synchronous statfs().
  */
 int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
 {
-	struct ceph_mon_statfs_request req;
+	struct ceph_mon_statfs_request *req;
+	struct ceph_mon_statfs *h;
 	int err;
 
-	req.buf = buf;
-	init_completion(&req.completion);
+	req = kmalloc(sizeof(*req), GFP_NOFS);
+	if (!req)
+		return -ENOMEM;
 
-	/* allocate memory for reply */
-	err = ceph_msgpool_resv(&monc->msgpool_statfs_reply, 1);
-	if (err)
-		return err;
+	memset(req, 0, sizeof(*req));
+	kref_init(&req->kref);
+	req->buf = buf;
+	init_completion(&req->completion);
+
+	req->request = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), 0, 0, NULL);
+	if (IS_ERR(req->request)) {
+		err = PTR_ERR(req->request);
+		goto out;
+	}
+	req->reply = ceph_msg_new(CEPH_MSG_STATFS_REPLY, 1024, 0, 0, NULL);
+	if (IS_ERR(req->reply)) {
+		err = PTR_ERR(req->reply);
+		goto out;
+	}
+
+	/* fill out request */
+	h = req->request->front.iov_base;
+	h->monhdr.have_version = 0;
+	h->monhdr.session_mon = cpu_to_le16(-1);
+	h->monhdr.session_mon_tid = 0;
+	h->fsid = monc->monmap->fsid;
 
 	/* register request */
 	mutex_lock(&monc->mutex);
-	req.tid = ++monc->last_tid;
-	req.last_attempt = jiffies;
-	req.delay = BASE_DELAY_INTERVAL;
-	__insert_statfs(monc, &req);
+	req->tid = ++monc->last_tid;
+	req->request->hdr.tid = cpu_to_le64(req->tid);
+	__insert_statfs(monc, req);
 	monc->num_statfs_requests++;
 	mutex_unlock(&monc->mutex);
 
 	/* send request and wait */
-	err = send_statfs(monc, &req);
-	if (!err)
-		err = wait_for_completion_interruptible(&req.completion);
+	ceph_con_send(monc->con, ceph_msg_get(req->request));
+	err = wait_for_completion_interruptible(&req->completion);
 
 	mutex_lock(&monc->mutex);
-	rb_erase(&req.node, &monc->statfs_request_tree);
+	rb_erase(&req->node, &monc->statfs_request_tree);
 	monc->num_statfs_requests--;
-	ceph_msgpool_resv(&monc->msgpool_statfs_reply, -1);
 	mutex_unlock(&monc->mutex);
 
 	if (!err)
-		err = req.result;
+		err = req->result;
+
+out:
+	kref_put(&req->kref, release_statfs_request);
 	return err;
 }
 
@@ -496,7 +543,7 @@ static void __resend_statfs(struct ceph_mon_client *monc)
 
 	for (p = rb_first(&monc->statfs_request_tree); p; p = rb_next(p)) {
 		req = rb_entry(p, struct ceph_mon_statfs_request, node);
-		send_statfs(monc, req);
+		ceph_con_send(monc->con, ceph_msg_get(req->request));
 	}
 }
 
@@ -591,13 +638,9 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 			       sizeof(struct ceph_mon_subscribe_ack), 1, false);
 	if (err < 0)
 		goto out_monmap;
-	err = ceph_msgpool_init(&monc->msgpool_statfs_reply,
-				sizeof(struct ceph_mon_statfs_reply), 0, false);
-	if (err < 0)
-		goto out_pool1;
 	err = ceph_msgpool_init(&monc->msgpool_auth_reply, 4096, 1, false);
 	if (err < 0)
-		goto out_pool2;
+		goto out_pool;
 
 	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, 0, 0, NULL);
 	monc->pending_auth = 0;
@@ -624,10 +667,8 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 
 out_pool3:
 	ceph_msgpool_destroy(&monc->msgpool_auth_reply);
-out_pool2:
+out_pool:
 	ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
-out_pool1:
-	ceph_msgpool_destroy(&monc->msgpool_statfs_reply);
 out_monmap:
 	kfree(monc->monmap);
 out:
@@ -652,7 +693,6 @@ void ceph_monc_stop(struct ceph_mon_client *monc)
 
 	ceph_msg_put(monc->m_auth);
 	ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
-	ceph_msgpool_destroy(&monc->msgpool_statfs_reply);
 	ceph_msgpool_destroy(&monc->msgpool_auth_reply);
 
 	kfree(monc->monmap);
@@ -773,8 +813,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
 		m = ceph_msgpool_get(&monc->msgpool_subscribe_ack, front_len);
 		break;
 	case CEPH_MSG_STATFS_REPLY:
-		m = ceph_msgpool_get(&monc->msgpool_statfs_reply, front_len);
-		break;
+		return get_statfs_reply(con, hdr, skip);
 	case CEPH_MSG_AUTH_REPLY:
 		m = ceph_msgpool_get(&monc->msgpool_auth_reply, front_len);
 		break;
diff --git a/fs/ceph/mon_client.h b/fs/ceph/mon_client.h
index b958ad5afa0..cc89a86c858 100644
--- a/fs/ceph/mon_client.h
+++ b/fs/ceph/mon_client.h
@@ -2,6 +2,7 @@
 #define _FS_CEPH_MON_CLIENT_H
 
 #include <linux/completion.h>
+#include <linux/kref.h>
 #include <linux/rbtree.h>
 
 #include "messenger.h"
@@ -44,13 +45,14 @@ struct ceph_mon_request {
  * to the caller
  */
 struct ceph_mon_statfs_request {
+	struct kref kref;
 	u64 tid;
 	struct rb_node node;
 	int result;
 	struct ceph_statfs *buf;
 	struct completion completion;
-	unsigned long last_attempt, delay; /* jiffies */
 	struct ceph_msg *request;  /* original request */
+	struct ceph_msg *reply;    /* and reply */
 };
 
 struct ceph_mon_client {
@@ -72,7 +74,6 @@ struct ceph_mon_client {
 
 	/* msg pools */
 	struct ceph_msgpool msgpool_subscribe_ack;
-	struct ceph_msgpool msgpool_statfs_reply;
 	struct ceph_msgpool msgpool_auth_reply;
 
 	/* pending statfs requests */

From 6694d6b95cf3b41751e78815d05968fa2084d7bf Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 24 Mar 2010 21:48:05 -0700
Subject: [PATCH 1782/3638] ceph: drop unnecessary msgpool for mon_client
 auth_reply

Preallocate a single reply message that we can reuse instead.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mon_client.c | 19 ++++++++++++-------
 fs/ceph/mon_client.h |  5 ++---
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 43cfab06fce..5a67732fa6e 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -638,16 +638,21 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 			       sizeof(struct ceph_mon_subscribe_ack), 1, false);
 	if (err < 0)
 		goto out_monmap;
-	err = ceph_msgpool_init(&monc->msgpool_auth_reply, 4096, 1, false);
-	if (err < 0)
+
+	monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, 0, 0,
+					  NULL);
+	if (IS_ERR(monc->m_auth_reply)) {
+		err = PTR_ERR(monc->m_auth_reply);
+		monc->m_auth_reply = NULL;
 		goto out_pool;
+	}
 
 	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, 0, 0, NULL);
 	monc->pending_auth = 0;
 	if (IS_ERR(monc->m_auth)) {
 		err = PTR_ERR(monc->m_auth);
 		monc->m_auth = NULL;
-		goto out_pool3;
+		goto out_auth_reply;
 	}
 
 	monc->cur_mon = -1;
@@ -665,8 +670,8 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 	monc->want_next_osdmap = 1;
 	return 0;
 
-out_pool3:
-	ceph_msgpool_destroy(&monc->msgpool_auth_reply);
+out_auth_reply:
+	ceph_msg_put(monc->m_auth_reply);
 out_pool:
 	ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
 out_monmap:
@@ -692,8 +697,8 @@ void ceph_monc_stop(struct ceph_mon_client *monc)
 	ceph_auth_destroy(monc->auth);
 
 	ceph_msg_put(monc->m_auth);
+	ceph_msg_put(monc->m_auth_reply);
 	ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
-	ceph_msgpool_destroy(&monc->msgpool_auth_reply);
 
 	kfree(monc->monmap);
 }
@@ -815,7 +820,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
 	case CEPH_MSG_STATFS_REPLY:
 		return get_statfs_reply(con, hdr, skip);
 	case CEPH_MSG_AUTH_REPLY:
-		m = ceph_msgpool_get(&monc->msgpool_auth_reply, front_len);
+		m = ceph_msg_get(monc->m_auth_reply);
 		break;
 	case CEPH_MSG_MON_MAP:
 	case CEPH_MSG_MDS_MAP:
diff --git a/fs/ceph/mon_client.h b/fs/ceph/mon_client.h
index cc89a86c858..2658e3e3b27 100644
--- a/fs/ceph/mon_client.h
+++ b/fs/ceph/mon_client.h
@@ -63,7 +63,7 @@ struct ceph_mon_client {
 	struct delayed_work delayed_work;
 
 	struct ceph_auth_client *auth;
-	struct ceph_msg *m_auth;
+	struct ceph_msg *m_auth, *m_auth_reply;
 	int pending_auth;
 
 	bool hunting;
@@ -72,9 +72,8 @@ struct ceph_mon_client {
 	struct ceph_connection *con;
 	bool have_fsid;
 
-	/* msg pools */
+	/* msgs */
 	struct ceph_msgpool msgpool_subscribe_ack;
-	struct ceph_msgpool msgpool_auth_reply;
 
 	/* pending statfs requests */
 	struct rb_root statfs_request_tree;

From 7c315c552c7442eab73461de61dbcce579a31d3a Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 24 Mar 2010 21:52:30 -0700
Subject: [PATCH 1783/3638] ceph: drop unnecessary msgpool for mon_client
 subscribe_ack

Preallocate a single message to reuse instead.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mon_client.c | 20 ++++++++++++--------
 fs/ceph/mon_client.h |  6 +-----
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 5a67732fa6e..5bee9250bf2 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -634,17 +634,21 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 		CEPH_ENTITY_TYPE_OSD | CEPH_ENTITY_TYPE_MDS;
 
 	/* msg pools */
-	err = ceph_msgpool_init(&monc->msgpool_subscribe_ack,
-			       sizeof(struct ceph_mon_subscribe_ack), 1, false);
-	if (err < 0)
+	monc->m_subscribe_ack = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE_ACK,
+				     sizeof(struct ceph_mon_subscribe_ack),
+				     0, 0, NULL);
+	if (IS_ERR(monc->m_subscribe_ack)) {
+		err = PTR_ERR(monc->m_subscribe_ack);
+		monc->m_subscribe_ack = NULL;
 		goto out_monmap;
+	}
 
 	monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, 0, 0,
 					  NULL);
 	if (IS_ERR(monc->m_auth_reply)) {
 		err = PTR_ERR(monc->m_auth_reply);
 		monc->m_auth_reply = NULL;
-		goto out_pool;
+		goto out_subscribe_ack;
 	}
 
 	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, 0, 0, NULL);
@@ -672,8 +676,8 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 
 out_auth_reply:
 	ceph_msg_put(monc->m_auth_reply);
-out_pool:
-	ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
+out_subscribe_ack:
+	ceph_msg_put(monc->m_subscribe_ack);
 out_monmap:
 	kfree(monc->monmap);
 out:
@@ -698,7 +702,7 @@ void ceph_monc_stop(struct ceph_mon_client *monc)
 
 	ceph_msg_put(monc->m_auth);
 	ceph_msg_put(monc->m_auth_reply);
-	ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
+	ceph_msg_put(monc->m_subscribe_ack);
 
 	kfree(monc->monmap);
 }
@@ -815,7 +819,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
 
 	switch (type) {
 	case CEPH_MSG_MON_SUBSCRIBE_ACK:
-		m = ceph_msgpool_get(&monc->msgpool_subscribe_ack, front_len);
+		m = ceph_msg_get(monc->m_subscribe_ack);
 		break;
 	case CEPH_MSG_STATFS_REPLY:
 		return get_statfs_reply(con, hdr, skip);
diff --git a/fs/ceph/mon_client.h b/fs/ceph/mon_client.h
index 2658e3e3b27..0046deed074 100644
--- a/fs/ceph/mon_client.h
+++ b/fs/ceph/mon_client.h
@@ -6,7 +6,6 @@
 #include <linux/rbtree.h>
 
 #include "messenger.h"
-#include "msgpool.h"
 
 struct ceph_client;
 struct ceph_mount_args;
@@ -63,7 +62,7 @@ struct ceph_mon_client {
 	struct delayed_work delayed_work;
 
 	struct ceph_auth_client *auth;
-	struct ceph_msg *m_auth, *m_auth_reply;
+	struct ceph_msg *m_auth, *m_auth_reply, *m_subscribe_ack;
 	int pending_auth;
 
 	bool hunting;
@@ -72,9 +71,6 @@ struct ceph_mon_client {
 	struct ceph_connection *con;
 	bool have_fsid;
 
-	/* msgs */
-	struct ceph_msgpool msgpool_subscribe_ack;
-
 	/* pending statfs requests */
 	struct rb_root statfs_request_tree;
 	int num_statfs_requests;

From 2d06eeb877581a7f53209af1582c5f66c799f0bd Mon Sep 17 00:00:00 2001
From: Cheng Renquan <crquan@gmail.com>
Date: Fri, 26 Mar 2010 18:04:40 +0800
Subject: [PATCH 1784/3638] ceph: handle kzalloc() failure

Signed-off-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index ccb4141e306..d549ab3adfd 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2631,6 +2631,9 @@ int ceph_mdsc_init(struct ceph_mds_client *mdsc, struct ceph_client *client)
 	mdsc->client = client;
 	mutex_init(&mdsc->mutex);
 	mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS);
+	if (mdsc->mdsmap == NULL)
+		return -ENOMEM;
+
 	init_completion(&mdsc->safe_umount_waiters);
 	init_completion(&mdsc->session_close_waiters);
 	INIT_LIST_HEAD(&mdsc->waiting_for_map);
@@ -2656,6 +2659,7 @@ int ceph_mdsc_init(struct ceph_mds_client *mdsc, struct ceph_client *client)
 	init_waitqueue_head(&mdsc->cap_flushing_wq);
 	spin_lock_init(&mdsc->dentry_lru_lock);
 	INIT_LIST_HEAD(&mdsc->dentry_lru);
+
 	return 0;
 }
 

From 640ef79d27c81b7a3265a344ec1d25644dd463ad Mon Sep 17 00:00:00 2001
From: Cheng Renquan <crquan@gmail.com>
Date: Fri, 26 Mar 2010 17:40:33 +0800
Subject: [PATCH 1785/3638] ceph: use ceph_sb_to_client instead of ceph_client

ceph_sb_to_client and ceph_client are really identical, we need to dump
one; while function ceph_client is confusing with "struct ceph_client",
ceph_sb_to_client's definition is more clear; so we'd better switch all
call to ceph_sb_to_client.

  -static inline struct ceph_client *ceph_client(struct super_block *sb)
  -{
  -	return sb->s_fs_info;
  -}

Signed-off-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/addr.c   |  2 +-
 fs/ceph/caps.c   | 15 +++++++++------
 fs/ceph/dir.c    | 10 +++++-----
 fs/ceph/export.c |  2 +-
 fs/ceph/file.c   |  2 +-
 fs/ceph/inode.c  | 10 +++++-----
 fs/ceph/ioctl.c  |  2 +-
 fs/ceph/snap.c   |  2 +-
 fs/ceph/super.c  |  8 ++++----
 fs/ceph/super.h  |  6 ------
 fs/ceph/xattr.c  |  4 ++--
 11 files changed, 30 insertions(+), 33 deletions(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index caf76c7fa77..d9c60b84949 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -563,7 +563,7 @@ static void writepages_finish(struct ceph_osd_request *req,
 	ceph_release_pages(req->r_pages, req->r_num_pages);
 	if (req->r_pages_from_pool)
 		mempool_free(req->r_pages,
-			     ceph_client(inode->i_sb)->wb_pagevec_pool);
+			     ceph_sb_to_client(inode->i_sb)->wb_pagevec_pool);
 	else
 		kfree(req->r_pages);
 	ceph_osdc_put_request(req);
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index d9400534b27..51fd39da147 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -867,7 +867,8 @@ void __ceph_remove_cap(struct ceph_cap *cap)
 {
 	struct ceph_mds_session *session = cap->session;
 	struct ceph_inode_info *ci = cap->ci;
-	struct ceph_mds_client *mdsc = &ceph_client(ci->vfs_inode.i_sb)->mdsc;
+	struct ceph_mds_client *mdsc =
+		&ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
 	int removed = 0;
 
 	dout("__ceph_remove_cap %p from %p\n", cap, &ci->vfs_inode);
@@ -1298,7 +1299,8 @@ static void ceph_flush_snaps(struct ceph_inode_info *ci)
  */
 void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
 {
-	struct ceph_mds_client *mdsc = &ceph_client(ci->vfs_inode.i_sb)->mdsc;
+	struct ceph_mds_client *mdsc =
+		&ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
 	struct inode *inode = &ci->vfs_inode;
 	int was = ci->i_dirty_caps;
 	int dirty = 0;
@@ -1336,7 +1338,7 @@ void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
 static int __mark_caps_flushing(struct inode *inode,
 				 struct ceph_mds_session *session)
 {
-	struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+	struct ceph_mds_client *mdsc = &ceph_sb_to_client(inode->i_sb)->mdsc;
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int flushing;
 
@@ -1663,7 +1665,7 @@ ack:
 static int try_flush_caps(struct inode *inode, struct ceph_mds_session *session,
 			  unsigned *flush_tid)
 {
-	struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+	struct ceph_mds_client *mdsc = &ceph_sb_to_client(inode->i_sb)->mdsc;
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int unlock_session = session ? 0 : 1;
 	int flushing = 0;
@@ -1829,7 +1831,8 @@ int ceph_write_inode(struct inode *inode, struct writeback_control *wbc)
 			err = wait_event_interruptible(ci->i_cap_wq,
 				       caps_are_flushed(inode, flush_tid));
 	} else {
-		struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+		struct ceph_mds_client *mdsc =
+			&ceph_sb_to_client(inode->i_sb)->mdsc;
 
 		spin_lock(&inode->i_lock);
 		if (__ceph_caps_dirty(ci))
@@ -2411,7 +2414,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
 	__releases(inode->i_lock)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
-	struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+	struct ceph_mds_client *mdsc = &ceph_sb_to_client(inode->i_sb)->mdsc;
 	unsigned seq = le32_to_cpu(m->seq);
 	int dirty = le32_to_cpu(m->dirty);
 	int cleaned = 0;
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 4b1a7a4bae0..33feac75c53 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -478,7 +478,7 @@ static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int origin)
 struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
 				  struct dentry *dentry, int err)
 {
-	struct ceph_client *client = ceph_client(dentry->d_sb);
+	struct ceph_client *client = ceph_sb_to_client(dentry->d_sb);
 	struct inode *parent = dentry->d_parent->d_inode;
 
 	/* .snap dir? */
@@ -1059,7 +1059,7 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int left;
 
-	if (!ceph_test_opt(ceph_client(inode->i_sb), DIRSTAT))
+	if (!ceph_test_opt(ceph_sb_to_client(inode->i_sb), DIRSTAT))
 		return -EISDIR;
 
 	if (!cf->dir_info) {
@@ -1161,7 +1161,7 @@ void ceph_dentry_lru_add(struct dentry *dn)
 	dout("dentry_lru_add %p %p '%.*s'\n", di, dn,
 	     dn->d_name.len, dn->d_name.name);
 	if (di) {
-		mdsc = &ceph_client(dn->d_sb)->mdsc;
+		mdsc = &ceph_sb_to_client(dn->d_sb)->mdsc;
 		spin_lock(&mdsc->dentry_lru_lock);
 		list_add_tail(&di->lru, &mdsc->dentry_lru);
 		mdsc->num_dentry++;
@@ -1177,7 +1177,7 @@ void ceph_dentry_lru_touch(struct dentry *dn)
 	dout("dentry_lru_touch %p %p '%.*s'\n", di, dn,
 	     dn->d_name.len, dn->d_name.name);
 	if (di) {
-		mdsc = &ceph_client(dn->d_sb)->mdsc;
+		mdsc = &ceph_sb_to_client(dn->d_sb)->mdsc;
 		spin_lock(&mdsc->dentry_lru_lock);
 		list_move_tail(&di->lru, &mdsc->dentry_lru);
 		spin_unlock(&mdsc->dentry_lru_lock);
@@ -1192,7 +1192,7 @@ void ceph_dentry_lru_del(struct dentry *dn)
 	dout("dentry_lru_del %p %p '%.*s'\n", di, dn,
 	     dn->d_name.len, dn->d_name.name);
 	if (di) {
-		mdsc = &ceph_client(dn->d_sb)->mdsc;
+		mdsc = &ceph_sb_to_client(dn->d_sb)->mdsc;
 		spin_lock(&mdsc->dentry_lru_lock);
 		list_del_init(&di->lru);
 		mdsc->num_dentry--;
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 9d67572fb32..15683905a7b 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -115,7 +115,7 @@ static struct dentry *__fh_to_dentry(struct super_block *sb,
 static struct dentry *__cfh_to_dentry(struct super_block *sb,
 				      struct ceph_nfs_confh *cfh)
 {
-	struct ceph_mds_client *mdsc = &ceph_client(sb)->mdsc;
+	struct ceph_mds_client *mdsc = &ceph_sb_to_client(sb)->mdsc;
 	struct inode *inode;
 	struct dentry *dentry;
 	struct ceph_vino vino;
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 6230c3de1f0..834d2b83834 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -809,7 +809,7 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = file->f_dentry->d_inode;
 	struct ceph_inode_info *ci = ceph_inode(inode);
-	struct ceph_osd_client *osdc = &ceph_client(inode->i_sb)->osdc;
+	struct ceph_osd_client *osdc = &ceph_sb_to_client(inode->i_sb)->osdc;
 	loff_t endoff = pos + iov->iov_len;
 	int got = 0;
 	int ret, err;
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 220a2aec054..ef917232cf3 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -384,7 +384,7 @@ void ceph_destroy_inode(struct inode *inode)
 	 */
 	if (ci->i_snap_realm) {
 		struct ceph_mds_client *mdsc =
-			&ceph_client(ci->vfs_inode.i_sb)->mdsc;
+			&ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
 		struct ceph_snap_realm *realm = ci->i_snap_realm;
 
 		dout(" dropping residual ref to snap realm %p\n", realm);
@@ -623,7 +623,7 @@ static int fill_inode(struct inode *inode,
 
 	inode->i_mapping->a_ops = &ceph_aops;
 	inode->i_mapping->backing_dev_info =
-		&ceph_client(inode->i_sb)->backing_dev_info;
+		&ceph_sb_to_client(inode->i_sb)->backing_dev_info;
 
 	switch (inode->i_mode & S_IFMT) {
 	case S_IFIFO:
@@ -681,7 +681,7 @@ static int fill_inode(struct inode *inode,
 		}
 
 		/* it may be better to set st_size in getattr instead? */
-		if (ceph_test_opt(ceph_client(inode->i_sb), RBYTES))
+		if (ceph_test_opt(ceph_sb_to_client(inode->i_sb), RBYTES))
 			inode->i_size = ci->i_rbytes;
 		break;
 	default:
@@ -1438,7 +1438,7 @@ void ceph_queue_vmtruncate(struct inode *inode)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
-	if (queue_work(ceph_client(inode->i_sb)->trunc_wq,
+	if (queue_work(ceph_sb_to_client(inode->i_sb)->trunc_wq,
 		       &ci->i_vmtruncate_work)) {
 		dout("ceph_queue_vmtruncate %p\n", inode);
 		igrab(inode);
@@ -1527,7 +1527,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
 	struct inode *parent_inode = dentry->d_parent->d_inode;
 	const unsigned int ia_valid = attr->ia_valid;
 	struct ceph_mds_request *req;
-	struct ceph_mds_client *mdsc = &ceph_client(dentry->d_sb)->mdsc;
+	struct ceph_mds_client *mdsc = &ceph_sb_to_client(dentry->d_sb)->mdsc;
 	int issued;
 	int release = 0, dirtied = 0;
 	int mask = 0;
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index 8a5bcae6284..d085f07756b 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -98,7 +98,7 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
 	struct ceph_ioctl_dataloc dl;
 	struct inode *inode = file->f_dentry->d_inode;
 	struct ceph_inode_info *ci = ceph_inode(inode);
-	struct ceph_osd_client *osdc = &ceph_client(inode->i_sb)->osdc;
+	struct ceph_osd_client *osdc = &ceph_sb_to_client(inode->i_sb)->osdc;
 	u64 len = 1, olen;
 	u64 tmp;
 	struct ceph_object_layout ol;
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index d5114db7045..c0b26b6badb 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -512,7 +512,7 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
 			    struct ceph_cap_snap *capsnap)
 {
 	struct inode *inode = &ci->vfs_inode;
-	struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+	struct ceph_mds_client *mdsc = &ceph_sb_to_client(inode->i_sb)->mdsc;
 
 	BUG_ON(capsnap->writing);
 	capsnap->size = inode->i_size;
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 110857ba926..93ad169a6ae 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -107,8 +107,8 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
 static int ceph_syncfs(struct super_block *sb, int wait)
 {
 	dout("sync_fs %d\n", wait);
-	ceph_osdc_sync(&ceph_client(sb)->osdc);
-	ceph_mdsc_sync(&ceph_client(sb)->mdsc);
+	ceph_osdc_sync(&ceph_sb_to_client(sb)->osdc);
+	ceph_mdsc_sync(&ceph_sb_to_client(sb)->mdsc);
 	dout("sync_fs %d done\n", wait);
 	return 0;
 }
@@ -932,9 +932,9 @@ static int ceph_get_sb(struct file_system_type *fs_type,
 		goto out;
 	}
 
-	if (ceph_client(sb) != client) {
+	if (ceph_sb_to_client(sb) != client) {
 		ceph_destroy_client(client);
-		client = ceph_client(sb);
+		client = ceph_sb_to_client(sb);
 		dout("get_sb got existing client %p\n", client);
 	} else {
 		dout("get_sb using new client %p\n", client);
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index cfe3b0834d5..51b3ff23845 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -160,12 +160,6 @@ struct ceph_client {
 #endif
 };
 
-static inline struct ceph_client *ceph_client(struct super_block *sb)
-{
-	return sb->s_fs_info;
-}
-
-
 /*
  * File i/o capability.  This tracks shared state with the metadata
  * server that allows us to cache or writeback attributes or to read
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index d940d14f692..3b4c2620030 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -616,7 +616,7 @@ out:
 static int ceph_sync_setxattr(struct dentry *dentry, const char *name,
 			      const char *value, size_t size, int flags)
 {
-	struct ceph_client *client = ceph_client(dentry->d_sb);
+	struct ceph_client *client = ceph_sb_to_client(dentry->d_sb);
 	struct inode *inode = dentry->d_inode;
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct inode *parent_inode = dentry->d_parent->d_inode;
@@ -773,7 +773,7 @@ out:
 
 static int ceph_send_removexattr(struct dentry *dentry, const char *name)
 {
-	struct ceph_client *client = ceph_client(dentry->d_sb);
+	struct ceph_client *client = ceph_sb_to_client(dentry->d_sb);
 	struct ceph_mds_client *mdsc = &client->mdsc;
 	struct inode *inode = dentry->d_inode;
 	struct inode *parent_inode = dentry->d_parent->d_inode;

From d52f847a841bfeba0ea87a7842732d388a1ca2e8 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 1 Apr 2010 15:23:14 -0700
Subject: [PATCH 1786/3638] ceph: rewrite msgpool using mempool_t

Since we don't need to maintain large pools of messages, we can just
use the standard mempool_t.  We maintain a msgpool 'wrapper' because we
need the mempool_t* in the alloc function, and mempool gives us only
pool_data.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/msgpool.c | 174 ++++++++--------------------------------------
 fs/ceph/msgpool.h |   8 +--
 2 files changed, 30 insertions(+), 152 deletions(-)

diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c
index 030297f62fb..ca032223e87 100644
--- a/fs/ceph/msgpool.c
+++ b/fs/ceph/msgpool.c
@@ -7,106 +7,43 @@
 
 #include "msgpool.h"
 
-/*
- * We use msg pools to preallocate memory for messages we expect to
- * receive over the wire, to avoid getting ourselves into OOM
- * conditions at unexpected times.  We take use a few different
- * strategies:
- *
- *  - for request/response type interactions, we preallocate the
- * memory needed for the response when we generate the request.
- *
- *  - for messages we can receive at any time from the MDS, we preallocate
- * a pool of messages we can re-use.
- *
- *  - for writeback, we preallocate some number of messages to use for
- * requests and their replies, so that we always make forward
- * progress.
- *
- * The msgpool behaves like a mempool_t, but keeps preallocated
- * ceph_msgs strung together on a list_head instead of using a pointer
- * vector.  This avoids vector reallocation when we adjust the number
- * of preallocated items (which happens frequently).
- */
-
-
-/*
- * Allocate or release as necessary to meet our target pool size.
- */
-static int __fill_msgpool(struct ceph_msgpool *pool)
+static void *alloc_fn(gfp_t gfp_mask, void *arg)
 {
-	struct ceph_msg *msg;
+	struct ceph_msgpool *pool = arg;
+	struct ceph_msg *m;
 
-	while (pool->num < pool->min) {
-		dout("fill_msgpool %p %d/%d allocating\n", pool, pool->num,
-		     pool->min);
-		spin_unlock(&pool->lock);
-		msg = ceph_msg_new(0, pool->front_len, 0, 0, NULL);
-		spin_lock(&pool->lock);
-		if (IS_ERR(msg))
-			return PTR_ERR(msg);
-		msg->pool = pool;
-		list_add(&msg->list_head, &pool->msgs);
-		pool->num++;
-	}
-	while (pool->num > pool->min) {
-		msg = list_first_entry(&pool->msgs, struct ceph_msg, list_head);
-		dout("fill_msgpool %p %d/%d releasing %p\n", pool, pool->num,
-		     pool->min, msg);
-		list_del_init(&msg->list_head);
-		pool->num--;
-		ceph_msg_kfree(msg);
-	}
-	return 0;
+	m = ceph_msg_new(0, pool->front_len, 0, 0, NULL);
+	if (IS_ERR(m))
+		return NULL;
+	return m;
+}
+
+static void free_fn(void *element, void *arg)
+{
+	ceph_msg_put(element);
 }
 
 int ceph_msgpool_init(struct ceph_msgpool *pool,
-		      int front_len, int min, bool blocking)
+		      int front_len, int size, bool blocking)
 {
-	int ret;
-
-	dout("msgpool_init %p front_len %d min %d\n", pool, front_len, min);
-	spin_lock_init(&pool->lock);
 	pool->front_len = front_len;
-	INIT_LIST_HEAD(&pool->msgs);
-	pool->num = 0;
-	pool->min = min;
-	pool->blocking = blocking;
-	init_waitqueue_head(&pool->wait);
-
-	spin_lock(&pool->lock);
-	ret = __fill_msgpool(pool);
-	spin_unlock(&pool->lock);
-	return ret;
+	pool->pool = mempool_create(size, alloc_fn, free_fn, pool);
+	if (!pool->pool)
+		return -ENOMEM;
+	return 0;
 }
 
 void ceph_msgpool_destroy(struct ceph_msgpool *pool)
 {
-	dout("msgpool_destroy %p\n", pool);
-	spin_lock(&pool->lock);
-	pool->min = 0;
-	__fill_msgpool(pool);
-	spin_unlock(&pool->lock);
+	mempool_destroy(pool->pool);
 }
 
-int ceph_msgpool_resv(struct ceph_msgpool *pool, int delta)
+struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
+				  int front_len)
 {
-	int ret;
+	if (front_len > pool->front_len) {
+		struct ceph_msg *msg;
 
-	spin_lock(&pool->lock);
-	dout("msgpool_resv %p delta %d\n", pool, delta);
-	pool->min += delta;
-	ret = __fill_msgpool(pool);
-	spin_unlock(&pool->lock);
-	return ret;
-}
-
-struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, int front_len)
-{
-	wait_queue_t wait;
-	struct ceph_msg *msg;
-
-	if (front_len && front_len > pool->front_len) {
 		pr_err("msgpool_get pool %p need front %d, pool size is %d\n",
 		       pool, front_len, pool->front_len);
 		WARN_ON(1);
@@ -115,72 +52,17 @@ struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, int front_len)
 		msg = ceph_msg_new(0, front_len, 0, 0, NULL);
 		if (!IS_ERR(msg))
 			return msg;
+		return NULL;
 	}
 
-	if (!front_len)
-		front_len = pool->front_len;
-
-	if (pool->blocking) {
-		/* mempool_t behavior; first try to alloc */
-		msg = ceph_msg_new(0, front_len, 0, 0, NULL);
-		if (!IS_ERR(msg))
-			return msg;
-	}
-
-	while (1) {
-		spin_lock(&pool->lock);
-		if (likely(pool->num)) {
-			msg = list_entry(pool->msgs.next, struct ceph_msg,
-					 list_head);
-			list_del_init(&msg->list_head);
-			pool->num--;
-			dout("msgpool_get %p got %p, now %d/%d\n", pool, msg,
-			     pool->num, pool->min);
-			spin_unlock(&pool->lock);
-			return msg;
-		}
-		pr_err("msgpool_get %p now %d/%d, %s\n", pool, pool->num,
-		       pool->min, pool->blocking ? "waiting" : "may fail");
-		spin_unlock(&pool->lock);
-
-		if (!pool->blocking) {
-			WARN_ON(1);
-
-			/* maybe we can allocate it now? */
-			msg = ceph_msg_new(0, front_len, 0, 0, NULL);
-			if (!IS_ERR(msg))
-				return msg;
-
-			pr_err("msgpool_get %p empty + alloc failed\n", pool);
-			return ERR_PTR(-ENOMEM);
-		}
-
-		init_wait(&wait);
-		prepare_to_wait(&pool->wait, &wait, TASK_UNINTERRUPTIBLE);
-		schedule();
-		finish_wait(&pool->wait, &wait);
-	}
+	return mempool_alloc(pool->pool, GFP_NOFS);
 }
 
 void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *msg)
 {
-	spin_lock(&pool->lock);
-	if (pool->num < pool->min) {
-		/* reset msg front_len; user may have changed it */
-		msg->front.iov_len = pool->front_len;
-		msg->hdr.front_len = cpu_to_le32(pool->front_len);
+	/* reset msg front_len; user may have changed it */
+	msg->front.iov_len = pool->front_len;
+	msg->hdr.front_len = cpu_to_le32(pool->front_len);
 
-		kref_init(&msg->kref);  /* retake a single ref */
-		list_add(&msg->list_head, &pool->msgs);
-		pool->num++;
-		dout("msgpool_put %p reclaim %p, now %d/%d\n", pool, msg,
-		     pool->num, pool->min);
-		spin_unlock(&pool->lock);
-		wake_up(&pool->wait);
-	} else {
-		dout("msgpool_put %p drop %p, at %d/%d\n", pool, msg,
-		     pool->num, pool->min);
-		spin_unlock(&pool->lock);
-		ceph_msg_kfree(msg);
-	}
+	kref_init(&msg->kref);  /* retake single ref */
 }
diff --git a/fs/ceph/msgpool.h b/fs/ceph/msgpool.h
index bc834bfcd72..62a61c7fca0 100644
--- a/fs/ceph/msgpool.h
+++ b/fs/ceph/msgpool.h
@@ -1,6 +1,7 @@
 #ifndef _FS_CEPH_MSGPOOL
 #define _FS_CEPH_MSGPOOL
 
+#include <linux/mempool.h>
 #include "messenger.h"
 
 /*
@@ -8,18 +9,13 @@
  * avoid unexpected OOM conditions.
  */
 struct ceph_msgpool {
-	spinlock_t lock;
+	mempool_t *pool;
 	int front_len;          /* preallocated payload size */
-	struct list_head msgs;  /* msgs in the pool; each has 1 ref */
-	int num, min;           /* cur, min # msgs in the pool */
-	bool blocking;
-	wait_queue_head_t wait;
 };
 
 extern int ceph_msgpool_init(struct ceph_msgpool *pool,
 			     int front_len, int size, bool blocking);
 extern void ceph_msgpool_destroy(struct ceph_msgpool *pool);
-extern int ceph_msgpool_resv(struct ceph_msgpool *, int delta);
 extern struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *,
 					 int front_len);
 extern void ceph_msgpool_put(struct ceph_msgpool *, struct ceph_msg *);

From a79832f26be370ee26ea81eecdfd42d10e49d66a Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 1 Apr 2010 16:06:19 -0700
Subject: [PATCH 1787/3638] ceph: make ceph_msg_new return NULL on failure;
 clean up, fix callers

Returning ERR_PTR(-ENOMEM) is useless extra work.  Return NULL on failure
instead, and fix up the callers (about half of which were wrong anyway).

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/caps.c       |  4 ++--
 fs/ceph/file.c       |  4 ++--
 fs/ceph/mds_client.c | 40 +++++++++++++++++-----------------------
 fs/ceph/messenger.c  | 20 +++++++-------------
 fs/ceph/mon_client.c | 25 +++++++------------------
 fs/ceph/msgpool.c    | 13 ++-----------
 fs/ceph/osd_client.c | 22 +++++++++++-----------
 7 files changed, 48 insertions(+), 80 deletions(-)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 51fd39da147..8755e2d83d4 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -939,8 +939,8 @@ static int send_cap_msg(struct ceph_mds_session *session,
 	     xattr_version, xattrs_buf ? (int)xattrs_buf->vec.iov_len : 0);
 
 	msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, sizeof(*fc), 0, 0, NULL);
-	if (IS_ERR(msg))
-		return PTR_ERR(msg);
+	if (!msg)
+		return -ENOMEM;
 
 	msg->hdr.tid = cpu_to_le64(flush_tid);
 
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 834d2b83834..b0426090e8c 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -649,8 +649,8 @@ more:
 				    do_sync,
 				    ci->i_truncate_seq, ci->i_truncate_size,
 				    &mtime, false, 2);
-	if (IS_ERR(req))
-		return PTR_ERR(req);
+	if (!req)
+		return -ENOMEM;
 
 	num_pages = calc_pages_for(pos, len);
 
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index d549ab3adfd..7e89c185d38 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -666,9 +666,9 @@ static struct ceph_msg *create_session_msg(u32 op, u64 seq)
 	struct ceph_mds_session_head *h;
 
 	msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h), 0, 0, NULL);
-	if (IS_ERR(msg)) {
+	if (!msg) {
 		pr_err("create_session_msg ENOMEM creating msg\n");
-		return ERR_PTR(PTR_ERR(msg));
+		return NULL;
 	}
 	h = msg->front.iov_base;
 	h->op = cpu_to_le32(op);
@@ -687,7 +687,6 @@ static int __open_session(struct ceph_mds_client *mdsc,
 	struct ceph_msg *msg;
 	int mstate;
 	int mds = session->s_mds;
-	int err = 0;
 
 	/* wait for mds to go active? */
 	mstate = ceph_mdsmap_get_state(mdsc->mdsmap, mds);
@@ -698,13 +697,9 @@ static int __open_session(struct ceph_mds_client *mdsc,
 
 	/* send connect message */
 	msg = create_session_msg(CEPH_SESSION_REQUEST_OPEN, session->s_seq);
-	if (IS_ERR(msg)) {
-		err = PTR_ERR(msg);
-		goto out;
-	}
+	if (!msg)
+		return -ENOMEM;
 	ceph_con_send(&session->s_con, msg);
-
-out:
 	return 0;
 }
 
@@ -883,8 +878,8 @@ static int send_renew_caps(struct ceph_mds_client *mdsc,
 		ceph_mds_state_name(state));
 	msg = create_session_msg(CEPH_SESSION_REQUEST_RENEWCAPS,
 				 ++session->s_renew_seq);
-	if (IS_ERR(msg))
-		return PTR_ERR(msg);
+	if (!msg)
+		return -ENOMEM;
 	ceph_con_send(&session->s_con, msg);
 	return 0;
 }
@@ -931,17 +926,15 @@ static int request_close_session(struct ceph_mds_client *mdsc,
 				 struct ceph_mds_session *session)
 {
 	struct ceph_msg *msg;
-	int err = 0;
 
 	dout("request_close_session mds%d state %s seq %lld\n",
 	     session->s_mds, session_state_name(session->s_state),
 	     session->s_seq);
 	msg = create_session_msg(CEPH_SESSION_REQUEST_CLOSE, session->s_seq);
-	if (IS_ERR(msg))
-		err = PTR_ERR(msg);
-	else
-		ceph_con_send(&session->s_con, msg);
-	return err;
+	if (!msg)
+		return -ENOMEM;
+	ceph_con_send(&session->s_con, msg);
+	return 0;
 }
 
 /*
@@ -1426,8 +1419,10 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc,
 		len += req->r_old_dentry->d_name.len;
 
 	msg = ceph_msg_new(CEPH_MSG_CLIENT_REQUEST, len, 0, 0, NULL);
-	if (IS_ERR(msg))
+	if (!msg) {
+		msg = ERR_PTR(-ENOMEM);
 		goto out_free2;
+	}
 
 	msg->hdr.tid = cpu_to_le64(req->r_tid);
 
@@ -1518,7 +1513,7 @@ static int __prepare_send_request(struct ceph_mds_client *mdsc,
 	if (IS_ERR(msg)) {
 		req->r_err = PTR_ERR(msg);
 		complete_request(mdsc, req);
-		return -PTR_ERR(msg);
+		return PTR_ERR(msg);
 	}
 	req->r_request = msg;
 
@@ -2158,11 +2153,10 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, int mds)
 		goto fail_nopagelist;
 	ceph_pagelist_init(pagelist);
 
+	err = -ENOMEM;
 	reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0, 0, 0, NULL);
-	if (IS_ERR(reply)) {
-		err = PTR_ERR(reply);
+	if (!reply)
 		goto fail_nomsg;
-	}
 
 	/* find session */
 	session = __ceph_lookup_mds_session(mdsc, mds);
@@ -2469,7 +2463,7 @@ void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session,
 	len += dnamelen;
 
 	msg = ceph_msg_new(CEPH_MSG_CLIENT_LEASE, len, 0, 0, NULL);
-	if (IS_ERR(msg))
+	if (!msg)
 		return;
 	lease = msg->front.iov_base;
 	lease->action = action;
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index af3b143fbf0..fe7d0c52ae3 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -1402,19 +1402,17 @@ static int read_partial_message(struct ceph_connection *con)
 		con->in_msg = ceph_alloc_msg(con, &con->in_hdr, &skip);
 		if (skip) {
 			/* skip this message */
-			dout("alloc_msg returned NULL, skipping message\n");
+			dout("alloc_msg said skip message\n");
 			con->in_base_pos = -front_len - middle_len - data_len -
 				sizeof(m->footer);
 			con->in_tag = CEPH_MSGR_TAG_READY;
 			con->in_seq++;
 			return 0;
 		}
-		if (IS_ERR(con->in_msg)) {
-			ret = PTR_ERR(con->in_msg);
-			con->in_msg = NULL;
+		if (!con->in_msg) {
 			con->error_msg =
 				"error allocating memory for incoming message";
-			return ret;
+			return -ENOMEM;
 		}
 		m = con->in_msg;
 		m->front.iov_len = 0;    /* haven't read it yet */
@@ -2147,7 +2145,7 @@ out2:
 	ceph_msg_put(m);
 out:
 	pr_err("msg_new can't create type %d len %d\n", type, front_len);
-	return ERR_PTR(-ENOMEM);
+	return NULL;
 }
 
 /*
@@ -2190,10 +2188,7 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
 		mutex_unlock(&con->mutex);
 		msg = con->ops->alloc_msg(con, hdr, skip);
 		mutex_lock(&con->mutex);
-		if (IS_ERR(msg))
-			return msg;
-
-		if (*skip)
+		if (!msg || *skip)
 			return NULL;
 	}
 	if (!msg) {
@@ -2202,17 +2197,16 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
 		if (!msg) {
 			pr_err("unable to allocate msg type %d len %d\n",
 			       type, front_len);
-			return ERR_PTR(-ENOMEM);
+			return NULL;
 		}
 	}
 	memcpy(&msg->hdr, &con->in_hdr, sizeof(con->in_hdr));
 
 	if (middle_len) {
 		ret = ceph_alloc_middle(con, msg);
-
 		if (ret < 0) {
 			ceph_msg_put(msg);
-			return msg;
+			return NULL;
 		}
 	}
 
diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 5bee9250bf2..35f593e7e36 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -490,16 +490,13 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
 	req->buf = buf;
 	init_completion(&req->completion);
 
+	err = -ENOMEM;
 	req->request = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), 0, 0, NULL);
-	if (IS_ERR(req->request)) {
-		err = PTR_ERR(req->request);
+	if (!req->request)
 		goto out;
-	}
 	req->reply = ceph_msg_new(CEPH_MSG_STATFS_REPLY, 1024, 0, 0, NULL);
-	if (IS_ERR(req->reply)) {
-		err = PTR_ERR(req->reply);
+	if (!req->reply)
 		goto out;
-	}
 
 	/* fill out request */
 	h = req->request->front.iov_base;
@@ -634,30 +631,22 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 		CEPH_ENTITY_TYPE_OSD | CEPH_ENTITY_TYPE_MDS;
 
 	/* msg pools */
+	err = -ENOMEM;
 	monc->m_subscribe_ack = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE_ACK,
 				     sizeof(struct ceph_mon_subscribe_ack),
 				     0, 0, NULL);
-	if (IS_ERR(monc->m_subscribe_ack)) {
-		err = PTR_ERR(monc->m_subscribe_ack);
-		monc->m_subscribe_ack = NULL;
+	if (!monc->m_subscribe_ack)
 		goto out_monmap;
-	}
 
 	monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, 0, 0,
 					  NULL);
-	if (IS_ERR(monc->m_auth_reply)) {
-		err = PTR_ERR(monc->m_auth_reply);
-		monc->m_auth_reply = NULL;
+	if (!monc->m_auth_reply)
 		goto out_subscribe_ack;
-	}
 
 	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, 0, 0, NULL);
 	monc->pending_auth = 0;
-	if (IS_ERR(monc->m_auth)) {
-		err = PTR_ERR(monc->m_auth);
-		monc->m_auth = NULL;
+	if (!monc->m_auth)
 		goto out_auth_reply;
-	}
 
 	monc->cur_mon = -1;
 	monc->hunting = true;
diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c
index ca032223e87..04fea84890d 100644
--- a/fs/ceph/msgpool.c
+++ b/fs/ceph/msgpool.c
@@ -10,12 +10,8 @@
 static void *alloc_fn(gfp_t gfp_mask, void *arg)
 {
 	struct ceph_msgpool *pool = arg;
-	struct ceph_msg *m;
 
-	m = ceph_msg_new(0, pool->front_len, 0, 0, NULL);
-	if (IS_ERR(m))
-		return NULL;
-	return m;
+	return ceph_msg_new(0, pool->front_len, 0, 0, NULL);
 }
 
 static void free_fn(void *element, void *arg)
@@ -42,17 +38,12 @@ struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
 				  int front_len)
 {
 	if (front_len > pool->front_len) {
-		struct ceph_msg *msg;
-
 		pr_err("msgpool_get pool %p need front %d, pool size is %d\n",
 		       pool, front_len, pool->front_len);
 		WARN_ON(1);
 
 		/* try to alloc a fresh message */
-		msg = ceph_msg_new(0, front_len, 0, 0, NULL);
-		if (!IS_ERR(msg))
-			return msg;
-		return NULL;
+		return ceph_msg_new(0, front_len, 0, 0, NULL);
 	}
 
 	return mempool_alloc(pool->pool, GFP_NOFS);
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 3d2bfbc232d..a51d0df2af3 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -147,7 +147,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
 		req = kzalloc(sizeof(*req), GFP_NOFS);
 	}
 	if (req == NULL)
-		return ERR_PTR(-ENOMEM);
+		return NULL;
 
 	req->r_osdc = osdc;
 	req->r_mempool = use_mempool;
@@ -165,9 +165,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
 	else
 		msg = ceph_msg_new(CEPH_MSG_OSD_OPREPLY,
 				   OSD_OPREPLY_FRONT_LEN, 0, 0, NULL);
-	if (IS_ERR(msg)) {
+	if (!msg) {
 		ceph_osdc_put_request(req);
-		return ERR_PTR(PTR_ERR(msg));
+		return NULL;
 	}
 	req->r_reply = msg;
 
@@ -179,9 +179,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
 		msg = ceph_msgpool_get(&osdc->msgpool_op, 0);
 	else
 		msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, 0, 0, NULL);
-	if (IS_ERR(msg)) {
+	if (!msg) {
 		ceph_osdc_put_request(req);
-		return ERR_PTR(PTR_ERR(msg));
+		return NULL;
 	}
 	msg->hdr.type = cpu_to_le16(CEPH_MSG_OSD_OP);
 	memset(msg->front.iov_base, 0, msg->front.iov_len);
@@ -1263,8 +1263,8 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc,
 				    CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ,
 				    NULL, 0, truncate_seq, truncate_size, NULL,
 				    false, 1);
-	if (IS_ERR(req))
-		return PTR_ERR(req);
+	if (!req)
+		return -ENOMEM;
 
 	/* it may be a short read due to an object boundary */
 	req->r_pages = pages;
@@ -1306,8 +1306,8 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino,
 				    snapc, do_sync,
 				    truncate_seq, truncate_size, mtime,
 				    nofail, 1);
-	if (IS_ERR(req))
-		return PTR_ERR(req);
+	if (!req)
+		return -ENOMEM;
 
 	/* it may be a short write due to an object boundary */
 	req->r_pages = pages;
@@ -1393,7 +1393,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
 		pr_warning("get_reply front %d > preallocated %d\n",
 			   front, (int)req->r_reply->front.iov_len);
 		m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, 0, 0, NULL);
-		if (IS_ERR(m))
+		if (!m)
 			goto out;
 		ceph_msg_put(req->r_reply);
 		req->r_reply = m;
@@ -1409,7 +1409,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
 				   tid, want, m->nr_pages);
 			*skip = 1;
 			ceph_msg_put(m);
-			m = ERR_PTR(-EIO);
+			m = NULL;
 			goto out;
 		}
 		m->pages = req->r_pages;

From bb257664f748bcfc80715f85f70f0f560caec3b4 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 1 Apr 2010 16:07:23 -0700
Subject: [PATCH 1788/3638] ceph: simplify ceph_msg_new

We only need to pass in front_len.  Callers can attach any other payload
pieces (middle, data) as they see fit.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/caps.c       |  2 +-
 fs/ceph/mds_client.c | 11 +++++------
 fs/ceph/messenger.c  | 20 +++++++++-----------
 fs/ceph/messenger.h  |  4 +---
 fs/ceph/mon_client.c | 16 +++++++---------
 fs/ceph/msgpool.c    |  4 ++--
 fs/ceph/osd_client.c |  8 ++++----
 7 files changed, 29 insertions(+), 36 deletions(-)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 8755e2d83d4..74c74842c86 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -938,7 +938,7 @@ static int send_cap_msg(struct ceph_mds_session *session,
 	     seq, issue_seq, mseq, follows, size, max_size,
 	     xattr_version, xattrs_buf ? (int)xattrs_buf->vec.iov_len : 0);
 
-	msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, sizeof(*fc), 0, 0, NULL);
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, sizeof(*fc));
 	if (!msg)
 		return -ENOMEM;
 
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 7e89c185d38..35dbdad07b1 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -665,7 +665,7 @@ static struct ceph_msg *create_session_msg(u32 op, u64 seq)
 	struct ceph_msg *msg;
 	struct ceph_mds_session_head *h;
 
-	msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h), 0, 0, NULL);
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h));
 	if (!msg) {
 		pr_err("create_session_msg ENOMEM creating msg\n");
 		return NULL;
@@ -1051,8 +1051,7 @@ static int add_cap_releases(struct ceph_mds_client *mdsc,
 
 	while (session->s_num_cap_releases < session->s_nr_caps + extra) {
 		spin_unlock(&session->s_cap_lock);
-		msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPRELEASE, PAGE_CACHE_SIZE,
-				   0, 0, NULL);
+		msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPRELEASE, PAGE_CACHE_SIZE);
 		if (!msg)
 			goto out_unlocked;
 		dout("add_cap_releases %p msg %p now %d\n", session, msg,
@@ -1418,7 +1417,7 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc,
 	if (req->r_old_dentry_drop)
 		len += req->r_old_dentry->d_name.len;
 
-	msg = ceph_msg_new(CEPH_MSG_CLIENT_REQUEST, len, 0, 0, NULL);
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_REQUEST, len);
 	if (!msg) {
 		msg = ERR_PTR(-ENOMEM);
 		goto out_free2;
@@ -2154,7 +2153,7 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, int mds)
 	ceph_pagelist_init(pagelist);
 
 	err = -ENOMEM;
-	reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0, 0, 0, NULL);
+	reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0);
 	if (!reply)
 		goto fail_nomsg;
 
@@ -2462,7 +2461,7 @@ void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session,
 	dnamelen = dentry->d_name.len;
 	len += dnamelen;
 
-	msg = ceph_msg_new(CEPH_MSG_CLIENT_LEASE, len, 0, 0, NULL);
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_LEASE, len);
 	if (!msg)
 		return;
 	lease = msg->front.iov_base;
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index fe7d0c52ae3..395ce326bed 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -2081,8 +2081,7 @@ void ceph_con_keepalive(struct ceph_connection *con)
  * construct a new message with given type, size
  * the new msg has a ref count of 1.
  */
-struct ceph_msg *ceph_msg_new(int type, int front_len,
-			      int page_len, int page_off, struct page **pages)
+struct ceph_msg *ceph_msg_new(int type, int front_len)
 {
 	struct ceph_msg *m;
 
@@ -2098,8 +2097,8 @@ struct ceph_msg *ceph_msg_new(int type, int front_len,
 	m->hdr.version = 0;
 	m->hdr.front_len = cpu_to_le32(front_len);
 	m->hdr.middle_len = 0;
-	m->hdr.data_len = cpu_to_le32(page_len);
-	m->hdr.data_off = cpu_to_le16(page_off);
+	m->hdr.data_len = 0;
+	m->hdr.data_off = 0;
 	m->hdr.reserved = 0;
 	m->footer.front_crc = 0;
 	m->footer.middle_crc = 0;
@@ -2133,18 +2132,17 @@ struct ceph_msg *ceph_msg_new(int type, int front_len,
 	m->middle = NULL;
 
 	/* data */
-	m->nr_pages = calc_pages_for(page_off, page_len);
-	m->pages = pages;
+	m->nr_pages = 0;
+	m->pages = NULL;
 	m->pagelist = NULL;
 
-	dout("ceph_msg_new %p page %d~%d -> %d\n", m, page_off, page_len,
-	     m->nr_pages);
+	dout("ceph_msg_new %p front %d\n", m, front_len);
 	return m;
 
 out2:
 	ceph_msg_put(m);
 out:
-	pr_err("msg_new can't create type %d len %d\n", type, front_len);
+	pr_err("msg_new can't create type %d front %d\n", type, front_len);
 	return NULL;
 }
 
@@ -2193,7 +2191,7 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
 	}
 	if (!msg) {
 		*skip = 0;
-		msg = ceph_msg_new(type, front_len, 0, 0, NULL);
+		msg = ceph_msg_new(type, front_len);
 		if (!msg) {
 			pr_err("unable to allocate msg type %d len %d\n",
 			       type, front_len);
@@ -2202,7 +2200,7 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
 	}
 	memcpy(&msg->hdr, &con->in_hdr, sizeof(con->in_hdr));
 
-	if (middle_len) {
+	if (middle_len && !msg->middle) {
 		ret = ceph_alloc_middle(con, msg);
 		if (ret < 0) {
 			ceph_msg_put(msg);
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index a5caf91cc97..27fb69585f6 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -234,9 +234,7 @@ extern void ceph_con_keepalive(struct ceph_connection *con);
 extern struct ceph_connection *ceph_con_get(struct ceph_connection *con);
 extern void ceph_con_put(struct ceph_connection *con);
 
-extern struct ceph_msg *ceph_msg_new(int type, int front_len,
-				     int page_len, int page_off,
-				     struct page **pages);
+extern struct ceph_msg *ceph_msg_new(int type, int front_len);
 extern void ceph_msg_kfree(struct ceph_msg *m);
 
 
diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 35f593e7e36..9900706fee7 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -191,7 +191,7 @@ static void __send_subscribe(struct ceph_mon_client *monc)
 		struct ceph_mon_subscribe_item *i;
 		void *p, *end;
 
-		msg = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, 0, 0, NULL);
+		msg = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96);
 		if (!msg)
 			return;
 
@@ -491,10 +491,10 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
 	init_completion(&req->completion);
 
 	err = -ENOMEM;
-	req->request = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), 0, 0, NULL);
+	req->request = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h));
 	if (!req->request)
 		goto out;
-	req->reply = ceph_msg_new(CEPH_MSG_STATFS_REPLY, 1024, 0, 0, NULL);
+	req->reply = ceph_msg_new(CEPH_MSG_STATFS_REPLY, 1024);
 	if (!req->reply)
 		goto out;
 
@@ -633,17 +633,15 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 	/* msg pools */
 	err = -ENOMEM;
 	monc->m_subscribe_ack = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE_ACK,
-				     sizeof(struct ceph_mon_subscribe_ack),
-				     0, 0, NULL);
+				     sizeof(struct ceph_mon_subscribe_ack));
 	if (!monc->m_subscribe_ack)
 		goto out_monmap;
 
-	monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, 0, 0,
-					  NULL);
+	monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096);
 	if (!monc->m_auth_reply)
 		goto out_subscribe_ack;
 
-	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, 0, 0, NULL);
+	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096);
 	monc->pending_auth = 0;
 	if (!monc->m_auth)
 		goto out_auth_reply;
@@ -818,7 +816,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
 	case CEPH_MSG_MON_MAP:
 	case CEPH_MSG_MDS_MAP:
 	case CEPH_MSG_OSD_MAP:
-		m = ceph_msg_new(type, front_len, 0, 0, NULL);
+		m = ceph_msg_new(type, front_len);
 		break;
 	}
 
diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c
index 04fea84890d..10d3632cc40 100644
--- a/fs/ceph/msgpool.c
+++ b/fs/ceph/msgpool.c
@@ -11,7 +11,7 @@ static void *alloc_fn(gfp_t gfp_mask, void *arg)
 {
 	struct ceph_msgpool *pool = arg;
 
-	return ceph_msg_new(0, pool->front_len, 0, 0, NULL);
+	return ceph_msg_new(0, pool->front_len);
 }
 
 static void free_fn(void *element, void *arg)
@@ -43,7 +43,7 @@ struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
 		WARN_ON(1);
 
 		/* try to alloc a fresh message */
-		return ceph_msg_new(0, front_len, 0, 0, NULL);
+		return ceph_msg_new(0, front_len);
 	}
 
 	return mempool_alloc(pool->pool, GFP_NOFS);
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index a51d0df2af3..a44b3b6374e 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -164,7 +164,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
 		msg = ceph_msgpool_get(&osdc->msgpool_op_reply, 0);
 	else
 		msg = ceph_msg_new(CEPH_MSG_OSD_OPREPLY,
-				   OSD_OPREPLY_FRONT_LEN, 0, 0, NULL);
+				   OSD_OPREPLY_FRONT_LEN);
 	if (!msg) {
 		ceph_osdc_put_request(req);
 		return NULL;
@@ -178,7 +178,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
 	if (use_mempool)
 		msg = ceph_msgpool_get(&osdc->msgpool_op, 0);
 	else
-		msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, 0, 0, NULL);
+		msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size);
 	if (!msg) {
 		ceph_osdc_put_request(req);
 		return NULL;
@@ -1392,7 +1392,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
 	if (front > req->r_reply->front.iov_len) {
 		pr_warning("get_reply front %d > preallocated %d\n",
 			   front, (int)req->r_reply->front.iov_len);
-		m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, 0, 0, NULL);
+		m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front);
 		if (!m)
 			goto out;
 		ceph_msg_put(req->r_reply);
@@ -1435,7 +1435,7 @@ static struct ceph_msg *alloc_msg(struct ceph_connection *con,
 
 	switch (type) {
 	case CEPH_MSG_OSD_MAP:
-		return ceph_msg_new(type, front, 0, 0, NULL);
+		return ceph_msg_new(type, front);
 	case CEPH_MSG_OSD_OPREPLY:
 		return get_reply(con, hdr, skip);
 	default:

From 6f2bc3ff4cdb03903c79e155e9e1889ce176de09 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 2 Apr 2010 16:16:34 -0700
Subject: [PATCH 1789/3638] ceph: clean up connection reset

Reset out_keepalive_pending and peer_global_seq, and drop unused var.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/messenger.c | 2 ++
 fs/ceph/messenger.h | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index 395ce326bed..8cfca375c6a 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -340,6 +340,7 @@ static void reset_connection(struct ceph_connection *con)
 		ceph_msg_put(con->out_msg);
 		con->out_msg = NULL;
 	}
+	con->out_keepalive_pending = false;
 	con->in_seq = 0;
 	con->in_seq_acked = 0;
 }
@@ -357,6 +358,7 @@ void ceph_con_close(struct ceph_connection *con)
 	clear_bit(WRITE_PENDING, &con->state);
 	mutex_lock(&con->mutex);
 	reset_connection(con);
+	con->peer_global_seq = 0;
 	cancel_delayed_work(&con->work);
 	mutex_unlock(&con->mutex);
 	queue_con(con);
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index 27fb69585f6..e56564f7e71 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -158,7 +158,6 @@ struct ceph_connection {
 	struct list_head out_queue;
 	struct list_head out_sent;   /* sending or sent but unacked */
 	u64 out_seq;		     /* last message queued for send */
-	u64 out_seq_sent;            /* last message sent */
 	bool out_keepalive_pending;
 
 	u64 in_seq, in_seq_acked;  /* last message received, acked */

From 6822d00b5462e7a9dfa11dcc60cc25823a2107c5 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 7 Apr 2010 11:23:20 -0700
Subject: [PATCH 1790/3638] ceph: wait for both monmap and osdmap when opening
 session

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
---
 fs/ceph/super.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 93ad169a6ae..a8124e89dea 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -682,9 +682,10 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid)
 /*
  * true if we have the mon map (and have thus joined the cluster)
  */
-static int have_mon_map(struct ceph_client *client)
+static int have_mon_and_osd_map(struct ceph_client *client)
 {
-	return client->monc.monmap && client->monc.monmap->epoch;
+	return client->monc.monmap && client->monc.monmap->epoch &&
+	       client->osdc.osdmap && client->osdc.osdmap->epoch;
 }
 
 /*
@@ -762,7 +763,7 @@ static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt,
 	if (err < 0)
 		goto out;
 
-	while (!have_mon_map(client)) {
+	while (!have_mon_and_osd_map(client)) {
 		err = -EIO;
 		if (timeout && time_after_eq(jiffies, started + timeout))
 			goto out;
@@ -770,8 +771,8 @@ static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt,
 		/* wait */
 		dout("mount waiting for mon_map\n");
 		err = wait_event_interruptible_timeout(client->auth_wq,
-			       have_mon_map(client) || (client->auth_err < 0),
-			       timeout);
+		       have_mon_and_osd_map(client) || (client->auth_err < 0),
+		       timeout);
 		if (err == -EINTR || err == -ERESTARTSYS)
 			goto out;
 		if (client->auth_err < 0) {

From 1bb71637d07d58e993ef3f8e2c6b7ca6f4c0e0b8 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Thu, 8 Apr 2010 19:48:57 +0800
Subject: [PATCH 1791/3638] ceph: remove unused #includes

Remove unused #include's in
  fs/ceph/super.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/super.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index a8124e89dea..b3225bf63f5 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -8,14 +8,11 @@
 #include <linux/module.h>
 #include <linux/mount.h>
 #include <linux/parser.h>
-#include <linux/rwsem.h>
 #include <linux/sched.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/statfs.h>
 #include <linux/string.h>
-#include <linux/version.h>
-#include <linux/vmalloc.h>
 
 #include "decode.h"
 #include "super.h"

From c473ad927e6b3be0bac51ddf312e5d8d2b9220b0 Mon Sep 17 00:00:00 2001
From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Tue, 13 Apr 2010 19:34:26 +0100
Subject: [PATCH 1792/3638] ceph: wake up mount thread when getting osdmap

Now that the mount thread waits for the osdmap, it needs
to be awaken.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
---
 fs/ceph/osd_client.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index a44b3b6374e..b81e6f97010 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -1078,6 +1078,7 @@ done:
 	if (newmap)
 		kick_requests(osdc, NULL);
 	up_read(&osdc->map_sem);
+	wake_up(&osdc->client->auth_wq);
 	return;
 
 bad:

From 0d509c949a4d3f21943bd93863a2e6c2f0d0c004 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Wed, 21 Apr 2010 12:31:13 +0200
Subject: [PATCH 1793/3638] ceph: d_obtain_alias() returns ERR_PTR()

d_obtain_alias() doesn't return NULL, it returns an ERR_PTR().

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/export.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 15683905a7b..17447644d67 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -93,11 +93,11 @@ static struct dentry *__fh_to_dentry(struct super_block *sb,
 		return ERR_PTR(-ESTALE);
 
 	dentry = d_obtain_alias(inode);
-	if (!dentry) {
+	if (IS_ERR(dentry)) {
 		pr_err("fh_to_dentry %llx -- inode %p but ENOMEM\n",
 		       fh->ino, inode);
 		iput(inode);
-		return ERR_PTR(-ENOMEM);
+		return dentry;
 	}
 	err = ceph_init_dentry(dentry);
 
@@ -149,11 +149,11 @@ static struct dentry *__cfh_to_dentry(struct super_block *sb,
 	}
 
 	dentry = d_obtain_alias(inode);
-	if (!dentry) {
+	if (IS_ERR(dentry)) {
 		pr_err("cfh_to_dentry %llx -- inode %p but ENOMEM\n",
 		       cfh->ino, inode);
 		iput(inode);
-		return ERR_PTR(-ENOMEM);
+		return dentry;
 	}
 	err = ceph_init_dentry(dentry);
 	if (err < 0) {
@@ -202,11 +202,11 @@ static struct dentry *ceph_fh_to_parent(struct super_block *sb,
 		return ERR_PTR(-ESTALE);
 
 	dentry = d_obtain_alias(inode);
-	if (!dentry) {
+	if (IS_ERR(dentry)) {
 		pr_err("fh_to_parent %llx -- inode %p but ENOMEM\n",
 		       cfh->ino, inode);
 		iput(inode);
-		return ERR_PTR(-ENOMEM);
+		return dentry;
 	}
 	err = ceph_init_dentry(dentry);
 	if (err < 0) {

From f26e681d52fcc4778d8c604ef047487ca9f3df95 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 21 Apr 2010 11:09:38 -0700
Subject: [PATCH 1794/3638] ceph: osdtimeout=0 for now timeout

Allow the osd reset timeout to be disabled.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/osd_client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index b81e6f97010..97a3a57fe8c 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -715,7 +715,7 @@ static void handle_timeout(struct work_struct *work)
 	 * should mark the osd as failed and we should find out about
 	 * it from an updated osd map.
 	 */
-	while (!list_empty(&osdc->req_lru)) {
+	while (timeout && !list_empty(&osdc->req_lru)) {
 		req = list_entry(osdc->req_lru.next, struct ceph_osd_request,
 				 r_req_lru_item);
 

From 559c1e0073ae779d60e1c673cda837f3e4295302 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 14 May 2010 09:55:18 -0700
Subject: [PATCH 1795/3638] ceph: include auth method in error messages

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/auth.c      | 9 +++++----
 fs/ceph/auth.h      | 2 ++
 fs/ceph/auth_none.c | 1 +
 fs/ceph/auth_x.c    | 1 +
 4 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/fs/ceph/auth.c b/fs/ceph/auth.c
index 818afe72e6c..9f46de2ba7a 100644
--- a/fs/ceph/auth.c
+++ b/fs/ceph/auth.c
@@ -150,7 +150,8 @@ int ceph_build_auth_request(struct ceph_auth_client *ac,
 
 	ret = ac->ops->build_request(ac, p + sizeof(u32), end);
 	if (ret < 0) {
-		pr_err("error %d building request\n", ret);
+		pr_err("error %d building auth method %s request\n", ret,
+		       ac->ops->name);
 		return ret;
 	}
 	dout(" built request %d bytes\n", ret);
@@ -216,8 +217,8 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
 		if (ac->protocol != protocol) {
 			ret = ceph_auth_init_protocol(ac, protocol);
 			if (ret) {
-				pr_err("error %d on auth protocol %d init\n",
-				       ret, protocol);
+				pr_err("error %d on auth method %s init\n",
+				       ret, ac->ops->name);
 				goto out;
 			}
 		}
@@ -229,7 +230,7 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
 	if (ret == -EAGAIN) {
 		return ceph_build_auth_request(ac, reply_buf, reply_len);
 	} else if (ret) {
-		pr_err("authentication error %d\n", ret);
+		pr_err("auth method '%s' error %d\n", ac->ops->name, ret);
 		return ret;
 	}
 	return 0;
diff --git a/fs/ceph/auth.h b/fs/ceph/auth.h
index ca4f57cfb26..4429a707c02 100644
--- a/fs/ceph/auth.h
+++ b/fs/ceph/auth.h
@@ -15,6 +15,8 @@ struct ceph_auth_client;
 struct ceph_authorizer;
 
 struct ceph_auth_client_ops {
+	const char *name;
+
 	/*
 	 * true if we are authenticated and can connect to
 	 * services.
diff --git a/fs/ceph/auth_none.c b/fs/ceph/auth_none.c
index 8cd9e3af07f..24407c11929 100644
--- a/fs/ceph/auth_none.c
+++ b/fs/ceph/auth_none.c
@@ -94,6 +94,7 @@ static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client *ac,
 }
 
 static const struct ceph_auth_client_ops ceph_auth_none_ops = {
+	.name = "none",
 	.reset = reset,
 	.destroy = destroy,
 	.is_authenticated = is_authenticated,
diff --git a/fs/ceph/auth_x.c b/fs/ceph/auth_x.c
index fee5a08da88..18c1a1de554 100644
--- a/fs/ceph/auth_x.c
+++ b/fs/ceph/auth_x.c
@@ -618,6 +618,7 @@ static void ceph_x_invalidate_authorizer(struct ceph_auth_client *ac,
 
 
 static const struct ceph_auth_client_ops ceph_x_ops = {
+	.name = "x",
 	.is_authenticated = ceph_x_is_authenticated,
 	.build_request = ceph_x_build_request,
 	.handle_reply = ceph_x_handle_reply,

From 8c6efb58a5bab880d45b2078cb55ec4320707daf Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 23 Apr 2010 11:36:54 -0700
Subject: [PATCH 1796/3638] ceph: fix memory leak due to possible dentry init
 race

Free dentry_info in error path.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/dir.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 33feac75c53..422794fd10e 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -51,8 +51,11 @@ int ceph_init_dentry(struct dentry *dentry)
 		return -ENOMEM;          /* oh well */
 
 	spin_lock(&dentry->d_lock);
-	if (dentry->d_fsdata) /* lost a race */
+	if (dentry->d_fsdata) {
+		/* lost a race */
+		kmem_cache_free(ceph_dentry_cachep, di);
 		goto out_unlock;
+	}
 	di->dentry = dentry;
 	di->lease_session = NULL;
 	dentry->d_fsdata = di;

From 4f48280ee1d0654390cd50ad0c41ea93309e7c91 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Sat, 24 Apr 2010 09:56:35 -0700
Subject: [PATCH 1797/3638] ceph: name msgpools; useful error messages

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/msgpool.c    | 13 +++++++++----
 fs/ceph/msgpool.h    |  4 +++-
 fs/ceph/osd_client.c |  6 ++++--
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c
index 10d3632cc40..50fe5cc5de7 100644
--- a/fs/ceph/msgpool.c
+++ b/fs/ceph/msgpool.c
@@ -10,8 +10,12 @@
 static void *alloc_fn(gfp_t gfp_mask, void *arg)
 {
 	struct ceph_msgpool *pool = arg;
+	void *p;
 
-	return ceph_msg_new(0, pool->front_len);
+	p = ceph_msg_new(0, pool->front_len);
+	if (!p)
+		pr_err("msgpool %s alloc failed\n", pool->name);
+	return p;
 }
 
 static void free_fn(void *element, void *arg)
@@ -20,12 +24,13 @@ static void free_fn(void *element, void *arg)
 }
 
 int ceph_msgpool_init(struct ceph_msgpool *pool,
-		      int front_len, int size, bool blocking)
+		      int front_len, int size, bool blocking, const char *name)
 {
 	pool->front_len = front_len;
 	pool->pool = mempool_create(size, alloc_fn, free_fn, pool);
 	if (!pool->pool)
 		return -ENOMEM;
+	pool->name = name;
 	return 0;
 }
 
@@ -38,8 +43,8 @@ struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
 				  int front_len)
 {
 	if (front_len > pool->front_len) {
-		pr_err("msgpool_get pool %p need front %d, pool size is %d\n",
-		       pool, front_len, pool->front_len);
+		pr_err("msgpool_get pool %s need front %d, pool size is %d\n",
+		       pool->name, front_len, pool->front_len);
 		WARN_ON(1);
 
 		/* try to alloc a fresh message */
diff --git a/fs/ceph/msgpool.h b/fs/ceph/msgpool.h
index 62a61c7fca0..a362605f936 100644
--- a/fs/ceph/msgpool.h
+++ b/fs/ceph/msgpool.h
@@ -9,12 +9,14 @@
  * avoid unexpected OOM conditions.
  */
 struct ceph_msgpool {
+	const char *name;
 	mempool_t *pool;
 	int front_len;          /* preallocated payload size */
 };
 
 extern int ceph_msgpool_init(struct ceph_msgpool *pool,
-			     int front_len, int size, bool blocking);
+			     int front_len, int size, bool blocking,
+			     const char *name);
 extern void ceph_msgpool_destroy(struct ceph_msgpool *pool);
 extern struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *,
 					 int front_len);
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 97a3a57fe8c..c0aca732efd 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -1214,11 +1214,13 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client)
 	if (!osdc->req_mempool)
 		goto out;
 
-	err = ceph_msgpool_init(&osdc->msgpool_op, OSD_OP_FRONT_LEN, 10, true);
+	err = ceph_msgpool_init(&osdc->msgpool_op, OSD_OP_FRONT_LEN, 10, true,
+				"osd_op");
 	if (err < 0)
 		goto out_mempool;
 	err = ceph_msgpool_init(&osdc->msgpool_op_reply,
-				OSD_OPREPLY_FRONT_LEN, 10, true);
+				OSD_OPREPLY_FRONT_LEN, 10, true,
+				"osd_op_reply");
 	if (err < 0)
 		goto out_msgpool;
 	return 0;

From 9dd4658db1be5ca92c2ed2fd7a100d973125d9c5 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 28 Apr 2010 13:51:50 -0700
Subject: [PATCH 1798/3638] ceph: close messenger race

Simplify messenger locking, and close race between ceph_con_close() setting
the CLOSED bit and con_work() checking the bit, then taking the mutex.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/messenger.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index 8cfca375c6a..bb16edb1aef 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -1546,7 +1546,6 @@ static int try_write(struct ceph_connection *con)
 	dout("try_write start %p state %lu nref %d\n", con, con->state,
 	     atomic_read(&con->nref));
 
-	mutex_lock(&con->mutex);
 more:
 	dout("try_write out_kvec_bytes %d\n", con->out_kvec_bytes);
 
@@ -1639,7 +1638,6 @@ do_next:
 done:
 	ret = 0;
 out:
-	mutex_unlock(&con->mutex);
 	dout("try_write done on %p\n", con);
 	return ret;
 }
@@ -1651,7 +1649,6 @@ out:
  */
 static int try_read(struct ceph_connection *con)
 {
-	struct ceph_messenger *msgr;
 	int ret = -1;
 
 	if (!con->sock)
@@ -1661,9 +1658,6 @@ static int try_read(struct ceph_connection *con)
 		return 0;
 
 	dout("try_read start on %p\n", con);
-	msgr = con->msgr;
-
-	mutex_lock(&con->mutex);
 
 more:
 	dout("try_read tag %d in_base_pos %d\n", (int)con->in_tag,
@@ -1758,7 +1752,6 @@ more:
 done:
 	ret = 0;
 out:
-	mutex_unlock(&con->mutex);
 	dout("try_read done on %p\n", con);
 	return ret;
 
@@ -1830,6 +1823,8 @@ more:
 	dout("con_work %p start, clearing QUEUED\n", con);
 	clear_bit(QUEUED, &con->state);
 
+	mutex_lock(&con->mutex);
+
 	if (test_bit(CLOSED, &con->state)) { /* e.g. if we are replaced */
 		dout("con_work CLOSED\n");
 		con_close_socket(con);
@@ -1844,11 +1839,16 @@ more:
 	if (test_and_clear_bit(SOCK_CLOSED, &con->state) ||
 	    try_read(con) < 0 ||
 	    try_write(con) < 0) {
+		mutex_unlock(&con->mutex);
 		backoff = 1;
 		ceph_fault(con);     /* error/fault path */
+		goto done_unlocked;
 	}
 
 done:
+	mutex_unlock(&con->mutex);
+
+done_unlocked:
 	clear_bit(BUSY, &con->state);
 	dout("con->state=%lu\n", con->state);
 	if (test_bit(QUEUED, &con->state)) {

From a6424e48c8d54a5795430b07c4487f1ed280df4e Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 29 Apr 2010 09:28:11 -0700
Subject: [PATCH 1799/3638] ceph: fix xattr dangling pointer / double free

If we use the xattr_blob, clear the pointer so we don't release the memory
at the bottom of the fuction.

Reported-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index ef917232cf3..913cafd70cd 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -619,6 +619,7 @@ static int fill_inode(struct inode *inode,
 			memcpy(ci->i_xattrs.blob->vec.iov_base,
 			       iinfo->xattr_data, iinfo->xattr_len);
 		ci->i_xattrs.version = le64_to_cpu(info->xattr_version);
+		xattr_blob = NULL;
 	}
 
 	inode->i_mapping->a_ops = &ceph_aops;

From bddfa3cc18fcd9c9313a1030b19d3b0ea2639310 Mon Sep 17 00:00:00 2001
From: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Date: Thu, 29 Apr 2010 09:32:28 -0700
Subject: [PATCH 1800/3638] ceph: listxattr should compare version by >=

If the version hasn't changed, don't rebuild the index.

Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/xattr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 3b4c2620030..7185d0794df 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -568,7 +568,7 @@ ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size)
 	     ci->i_xattrs.version, ci->i_xattrs.index_version);
 
 	if (__ceph_caps_issued_mask(ci, CEPH_CAP_XATTR_SHARED, 1) &&
-	    (ci->i_xattrs.index_version > ci->i_xattrs.version)) {
+	    (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
 		goto list_xattr;
 	} else {
 		spin_unlock(&inode->i_lock);

From f1f2765faedc24f8f2e9fd68521a5ea469801b60 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 3 May 2010 21:50:39 -0700
Subject: [PATCH 1801/3638] ceph: set next_offset on readdir finish

Set next_offset to 2 (always 2!), not 0, on readdir finish.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/dir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 422794fd10e..0b0a39d05ca 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -338,7 +338,7 @@ more:
 		if (req->r_reply_info.dir_end) {
 			kfree(fi->last_name);
 			fi->last_name = NULL;
-			fi->next_offset = 0;
+			fi->next_offset = 2;
 		} else {
 			rinfo = &req->r_reply_info;
 			err = note_last_dentry(fi,

From e8a7498715181ece36130335536e13733a5c3187 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 15 Apr 2010 14:08:49 -0700
Subject: [PATCH 1802/3638] ceph: skip set_dentry_offset work if directory not
 I_COMPLETE

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/inode.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 913cafd70cd..49a0935c439 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -861,6 +861,10 @@ static void ceph_set_dentry_offset(struct dentry *dn)
 	di = ceph_dentry(dn);
 
 	spin_lock(&inode->i_lock);
+	if ((ceph_inode(inode)->i_ceph_flags & CEPH_I_COMPLETE) == 0) {
+		spin_unlock(&inode->i_lock);
+		return;
+	}
 	di->offset = ceph_inode(inode)->i_max_offset++;
 	spin_unlock(&inode->i_lock);
 

From 1b7facc41b42c2ab904b2f88b64b1f8ca0ca6cb7 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 16 Apr 2010 12:58:02 -0700
Subject: [PATCH 1803/3638] ceph: don't clobber i_max_offset on already
 complete dir

This can screw up offsets assigned to new dentries and break dcache
readdir results.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 49a0935c439..aa22a0bce52 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -675,7 +675,8 @@ static int fill_inode(struct inode *inode,
 		/* set dir completion flag? */
 		if (ci->i_files == 0 && ci->i_subdirs == 0 &&
 		    ceph_snap(inode) == CEPH_NOSNAP &&
-		    (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED)) {
+		    (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED) &&
+		    (ci->i_ceph_flags & CEPH_I_COMPLETE) == 0) {
 			dout(" marking %p complete (empty)\n", inode);
 			ci->i_ceph_flags |= CEPH_I_COMPLETE;
 			ci->i_max_offset = 2;

From 1cd3935bedccf592d44343890251452a6dd74fc4 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 3 May 2010 22:08:02 -0700
Subject: [PATCH 1804/3638] ceph: set dn offset when spliced

We want to assign an offset when the dentry goes from null to linked, which
is always done by splice_dentry().  Notably, we should NOT assign an
offset when a dentry is first created and is still null.

BUG if we try to splice a non-null dentry (we shouldn't).

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/dir.c   | 13 +++----
 fs/ceph/inode.c | 95 +++++++++++++++++++++++++------------------------
 2 files changed, 56 insertions(+), 52 deletions(-)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 0b0a39d05ca..d3bb8132a1a 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -128,7 +128,8 @@ more:
 	dentry = list_entry(p, struct dentry, d_u.d_child);
 	di = ceph_dentry(dentry);
 	while (1) {
-		dout(" p %p/%p d_subdirs %p/%p\n", p->prev, p->next,
+		dout(" p %p/%p %s d_subdirs %p/%p\n", p->prev, p->next,
+		     d_unhashed(dentry) ? "!hashed" : "hashed",
 		     parent->d_subdirs.prev, parent->d_subdirs.next);
 		if (p == &parent->d_subdirs) {
 			fi->at_end = 1;
@@ -571,7 +572,6 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 		    !is_root_ceph_dentry(dir, dentry) &&
 		    (ci->i_ceph_flags & CEPH_I_COMPLETE) &&
 		    (__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) {
-			di->offset = ci->i_max_offset++;
 			spin_unlock(&dir->i_lock);
 			dout(" dir %p complete, -ENOENT\n", dir);
 			d_add(dentry, NULL);
@@ -984,8 +984,9 @@ static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd)
 {
 	struct inode *dir = dentry->d_parent->d_inode;
 
-	dout("d_revalidate %p '%.*s' inode %p\n", dentry,
-	     dentry->d_name.len, dentry->d_name.name, dentry->d_inode);
+	dout("d_revalidate %p '%.*s' inode %p offset %lld\n", dentry,
+	     dentry->d_name.len, dentry->d_name.name, dentry->d_inode,
+	     ceph_dentry(dentry)->offset);
 
 	/* always trust cached snapped dentries, snapdir dentry */
 	if (ceph_snap(dir) != CEPH_NOSNAP) {
@@ -1177,8 +1178,8 @@ void ceph_dentry_lru_touch(struct dentry *dn)
 	struct ceph_dentry_info *di = ceph_dentry(dn);
 	struct ceph_mds_client *mdsc;
 
-	dout("dentry_lru_touch %p %p '%.*s'\n", di, dn,
-	     dn->d_name.len, dn->d_name.name);
+	dout("dentry_lru_touch %p %p '%.*s' (offset %lld)\n", di, dn,
+	     dn->d_name.len, dn->d_name.name, di->offset);
 	if (di) {
 		mdsc = &ceph_sb_to_client(dn->d_sb)->mdsc;
 		spin_lock(&mdsc->dentry_lru_lock);
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index aa22a0bce52..1bcf98bd025 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -803,50 +803,6 @@ out_unlock:
 	return;
 }
 
-/*
- * splice a dentry to an inode.
- * caller must hold directory i_mutex for this to be safe.
- *
- * we will only rehash the resulting dentry if @prehash is
- * true; @prehash will be set to false (for the benefit of
- * the caller) if we fail.
- */
-static struct dentry *splice_dentry(struct dentry *dn, struct inode *in,
-				    bool *prehash)
-{
-	struct dentry *realdn;
-
-	/* dn must be unhashed */
-	if (!d_unhashed(dn))
-		d_drop(dn);
-	realdn = d_materialise_unique(dn, in);
-	if (IS_ERR(realdn)) {
-		pr_err("splice_dentry error %p inode %p ino %llx.%llx\n",
-		       dn, in, ceph_vinop(in));
-		if (prehash)
-			*prehash = false; /* don't rehash on error */
-		dn = realdn; /* note realdn contains the error */
-		goto out;
-	} else if (realdn) {
-		dout("dn %p (%d) spliced with %p (%d) "
-		     "inode %p ino %llx.%llx\n",
-		     dn, atomic_read(&dn->d_count),
-		     realdn, atomic_read(&realdn->d_count),
-		     realdn->d_inode, ceph_vinop(realdn->d_inode));
-		dput(dn);
-		dn = realdn;
-	} else {
-		BUG_ON(!ceph_dentry(dn));
-
-		dout("dn %p attached to %p ino %llx.%llx\n",
-		     dn, dn->d_inode, ceph_vinop(dn->d_inode));
-	}
-	if ((!prehash || *prehash) && d_unhashed(dn))
-		d_rehash(dn);
-out:
-	return dn;
-}
-
 /*
  * Set dentry's directory position based on the current dir's max, and
  * order it in d_subdirs, so that dcache_readdir behaves.
@@ -878,6 +834,52 @@ static void ceph_set_dentry_offset(struct dentry *dn)
 	spin_unlock(&dcache_lock);
 }
 
+/*
+ * splice a dentry to an inode.
+ * caller must hold directory i_mutex for this to be safe.
+ *
+ * we will only rehash the resulting dentry if @prehash is
+ * true; @prehash will be set to false (for the benefit of
+ * the caller) if we fail.
+ */
+static struct dentry *splice_dentry(struct dentry *dn, struct inode *in,
+				    bool *prehash)
+{
+	struct dentry *realdn;
+
+	BUG_ON(dn->d_inode);
+
+	/* dn must be unhashed */
+	if (!d_unhashed(dn))
+		d_drop(dn);
+	realdn = d_materialise_unique(dn, in);
+	if (IS_ERR(realdn)) {
+		pr_err("splice_dentry error %p inode %p ino %llx.%llx\n",
+		       dn, in, ceph_vinop(in));
+		if (prehash)
+			*prehash = false; /* don't rehash on error */
+		dn = realdn; /* note realdn contains the error */
+		goto out;
+	} else if (realdn) {
+		dout("dn %p (%d) spliced with %p (%d) "
+		     "inode %p ino %llx.%llx\n",
+		     dn, atomic_read(&dn->d_count),
+		     realdn, atomic_read(&realdn->d_count),
+		     realdn->d_inode, ceph_vinop(realdn->d_inode));
+		dput(dn);
+		dn = realdn;
+	} else {
+		BUG_ON(!ceph_dentry(dn));
+		dout("dn %p attached to %p ino %llx.%llx\n",
+		     dn, dn->d_inode, ceph_vinop(dn->d_inode));
+	}
+	if ((!prehash || *prehash) && d_unhashed(dn))
+		d_rehash(dn);
+	ceph_set_dentry_offset(dn);
+out:
+	return dn;
+}
+
 /*
  * Incorporate results into the local cache.  This is either just
  * one inode, or a directory, dentry, and possibly linked-to inode (e.g.,
@@ -1030,6 +1032,9 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
 			ceph_invalidate_dentry_lease(dn);
 
 			/* take overwritten dentry's readdir offset */
+			dout("dn %p gets %p offset %lld (old offset %lld)\n",
+			     req->r_old_dentry, dn, ceph_dentry(dn)->offset,
+			     ceph_dentry(req->r_old_dentry)->offset);
 			ceph_dentry(req->r_old_dentry)->offset =
 				ceph_dentry(dn)->offset;
 
@@ -1074,7 +1079,6 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
 				goto done;
 			}
 			req->r_dentry = dn;  /* may have spliced */
-			ceph_set_dentry_offset(dn);
 			igrab(in);
 		} else if (ceph_ino(in) == vino.ino &&
 			   ceph_snap(in) == vino.snap) {
@@ -1117,7 +1121,6 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
 			err = PTR_ERR(dn);
 			goto done;
 		}
-		ceph_set_dentry_offset(dn);
 		req->r_dentry = dn;  /* may have spliced */
 		igrab(in);
 		rinfo->head->is_dentry = 1;  /* fool notrace handlers */

From 6e19a16ef28aee09dbcbb9f3ff24ac4f439def7d Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 29 Apr 2010 16:38:32 -0700
Subject: [PATCH 1805/3638] ceph: clean up mount options, ->show_options()

Ensure all options are included in /proc/mounts.  Some cleanup.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/super.c | 128 +++++++++++++++++++++++++++++-------------------
 fs/ceph/super.h |  23 ++++-----
 2 files changed, 90 insertions(+), 61 deletions(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index b3225bf63f5..34b16cb302f 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -110,54 +110,6 @@ static int ceph_syncfs(struct super_block *sb, int wait)
 	return 0;
 }
 
-
-/**
- * ceph_show_options - Show mount options in /proc/mounts
- * @m: seq_file to write to
- * @mnt: mount descriptor
- */
-static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
-{
-	struct ceph_client *client = ceph_sb_to_client(mnt->mnt_sb);
-	struct ceph_mount_args *args = client->mount_args;
-
-	if (args->flags & CEPH_OPT_FSID)
-		seq_printf(m, ",fsidmajor=%llu,fsidminor%llu",
-			   le64_to_cpu(*(__le64 *)&args->fsid.fsid[0]),
-			   le64_to_cpu(*(__le64 *)&args->fsid.fsid[8]));
-	if (args->flags & CEPH_OPT_NOSHARE)
-		seq_puts(m, ",noshare");
-	if (args->flags & CEPH_OPT_DIRSTAT)
-		seq_puts(m, ",dirstat");
-	if ((args->flags & CEPH_OPT_RBYTES) == 0)
-		seq_puts(m, ",norbytes");
-	if (args->flags & CEPH_OPT_NOCRC)
-		seq_puts(m, ",nocrc");
-	if (args->flags & CEPH_OPT_NOASYNCREADDIR)
-		seq_puts(m, ",noasyncreaddir");
-	if (strcmp(args->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))
-		seq_printf(m, ",snapdirname=%s", args->snapdir_name);
-	if (args->name)
-		seq_printf(m, ",name=%s", args->name);
-	if (args->secret)
-		seq_puts(m, ",secret=<hidden>");
-	return 0;
-}
-
-/*
- * caches
- */
-struct kmem_cache *ceph_inode_cachep;
-struct kmem_cache *ceph_cap_cachep;
-struct kmem_cache *ceph_dentry_cachep;
-struct kmem_cache *ceph_file_cachep;
-
-static void ceph_inode_init_once(void *foo)
-{
-	struct ceph_inode_info *ci = foo;
-	inode_init_once(&ci->vfs_inode);
-}
-
 static int default_congestion_kb(void)
 {
 	int congestion_kb;
@@ -187,6 +139,80 @@ static int default_congestion_kb(void)
 	return congestion_kb;
 }
 
+/**
+ * ceph_show_options - Show mount options in /proc/mounts
+ * @m: seq_file to write to
+ * @mnt: mount descriptor
+ */
+static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
+{
+	struct ceph_client *client = ceph_sb_to_client(mnt->mnt_sb);
+	struct ceph_mount_args *args = client->mount_args;
+
+	if (args->flags & CEPH_OPT_FSID)
+		seq_printf(m, ",fsidmajor=%llu,fsidminor%llu",
+			   le64_to_cpu(*(__le64 *)&args->fsid.fsid[0]),
+			   le64_to_cpu(*(__le64 *)&args->fsid.fsid[8]));
+	if (args->flags & CEPH_OPT_NOSHARE)
+		seq_puts(m, ",noshare");
+	if (args->flags & CEPH_OPT_DIRSTAT)
+		seq_puts(m, ",dirstat");
+	if ((args->flags & CEPH_OPT_RBYTES) == 0)
+		seq_puts(m, ",norbytes");
+	if (args->flags & CEPH_OPT_NOCRC)
+		seq_puts(m, ",nocrc");
+	if (args->flags & CEPH_OPT_NOASYNCREADDIR)
+		seq_puts(m, ",noasyncreaddir");
+
+	if (args->mount_timeout != CEPH_MOUNT_TIMEOUT_DEFAULT)
+		seq_printf(m, ",mount_timeout=%d", args->mount_timeout);
+	if (args->osd_idle_ttl != CEPH_OSD_IDLE_TTL_DEFAULT)
+		seq_printf(m, ",osd_idle_ttl=%d", args->osd_idle_ttl);
+	if (args->osd_timeout != CEPH_OSD_TIMEOUT_DEFAULT)
+		seq_printf(m, ",osdtimeout=%d", args->osd_timeout);
+	if (args->osd_keepalive_timeout != CEPH_OSD_KEEPALIVE_DEFAULT)
+		seq_printf(m, ",osdkeepalivetimeout=%d",
+			 args->osd_keepalive_timeout);
+	if (args->wsize)
+		seq_printf(m, ",wsize=%d", args->wsize);
+	if (args->rsize != CEPH_MOUNT_RSIZE_DEFAULT)
+		seq_printf(m, ",rsize=%d", args->rsize);
+	if (args->congestion_kb != default_congestion_kb())
+		seq_printf(m, ",write_congestion_kb=%d", args->congestion_kb);
+	if (args->caps_wanted_delay_min != CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT)
+		seq_printf(m, ",caps_wanted_delay_min=%d",
+			 args->caps_wanted_delay_min);
+	if (args->caps_wanted_delay_max != CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT)
+		seq_printf(m, ",caps_wanted_delay_max=%d",
+			   args->caps_wanted_delay_max);
+	if (args->cap_release_safety != CEPH_CAP_RELEASE_SAFETY_DEFAULT)
+		seq_printf(m, ",cap_release_safety=%d",
+			   args->cap_release_safety);
+	if (args->max_readdir != CEPH_MAX_READDIR_DEFAULT)
+		seq_printf(m, ",readdir_max_entries=%d", args->max_readdir);
+	if (strcmp(args->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))
+		seq_printf(m, ",snapdirname=%s", args->snapdir_name);
+	if (args->name)
+		seq_printf(m, ",name=%s", args->name);
+	if (args->secret)
+		seq_puts(m, ",secret=<hidden>");
+	return 0;
+}
+
+/*
+ * caches
+ */
+struct kmem_cache *ceph_inode_cachep;
+struct kmem_cache *ceph_cap_cachep;
+struct kmem_cache *ceph_dentry_cachep;
+struct kmem_cache *ceph_file_cachep;
+
+static void ceph_inode_init_once(void *foo)
+{
+	struct ceph_inode_info *ci = foo;
+	inode_init_once(&ci->vfs_inode);
+}
+
 static int __init init_caches(void)
 {
 	ceph_inode_cachep = kmem_cache_create("ceph_inode_info",
@@ -305,6 +331,7 @@ enum {
 	Opt_osd_idle_ttl,
 	Opt_caps_wanted_delay_min,
 	Opt_caps_wanted_delay_max,
+	Opt_cap_release_safety,
 	Opt_readdir_max_entries,
 	Opt_congestion_kb,
 	Opt_last_int,
@@ -336,6 +363,7 @@ static match_table_t arg_tokens = {
 	{Opt_osd_idle_ttl, "osd_idle_ttl=%d"},
 	{Opt_caps_wanted_delay_min, "caps_wanted_delay_min=%d"},
 	{Opt_caps_wanted_delay_max, "caps_wanted_delay_max=%d"},
+	{Opt_cap_release_safety, "cap_release_safety=%d"},
 	{Opt_readdir_max_entries, "readdir_max_entries=%d"},
 	{Opt_congestion_kb, "write_congestion_kb=%d"},
 	/* int args above */
@@ -385,8 +413,8 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options,
 	args->caps_wanted_delay_max = CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT;
 	args->rsize = CEPH_MOUNT_RSIZE_DEFAULT;
 	args->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL);
-	args->cap_release_safety = CEPH_CAPS_PER_RELEASE * 4;
-	args->max_readdir = 1024;
+	args->cap_release_safety = CEPH_CAP_RELEASE_SAFETY_DEFAULT;
+	args->max_readdir = CEPH_MAX_READDIR_DEFAULT;
 	args->congestion_kb = default_congestion_kb();
 
 	/* ip1[:port1][,ip2[:port2]...]:/subdir/in/fs */
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 51b3ff23845..395adc5fceb 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -52,24 +52,24 @@
 
 struct ceph_mount_args {
 	int sb_flags;
-	int num_mon;
-	struct ceph_entity_addr *mon_addr;
 	int flags;
-	int mount_timeout;
-	int osd_idle_ttl;
-	int caps_wanted_delay_min, caps_wanted_delay_max;
 	struct ceph_fsid fsid;
 	struct ceph_entity_addr my_addr;
-	int wsize;
-	int rsize;            /* max readahead */
-	int max_readdir;      /* max readdir size */
-	int congestion_kb;      /* max readdir size */
+	int num_mon;
+	struct ceph_entity_addr *mon_addr;
+	int mount_timeout;
+	int osd_idle_ttl;
 	int osd_timeout;
 	int osd_keepalive_timeout;
+	int wsize;
+	int rsize;            /* max readahead */
+	int congestion_kb;    /* max writeback in flight */
+	int caps_wanted_delay_min, caps_wanted_delay_max;
+	int cap_release_safety;
+	int max_readdir;      /* max readdir size */
 	char *snapdir_name;   /* default ".snap" */
 	char *name;
 	char *secret;
-	int cap_release_safety;
 };
 
 /*
@@ -80,13 +80,13 @@ struct ceph_mount_args {
 #define CEPH_OSD_KEEPALIVE_DEFAULT  5
 #define CEPH_OSD_IDLE_TTL_DEFAULT    60
 #define CEPH_MOUNT_RSIZE_DEFAULT    (512*1024) /* readahead */
+#define CEPH_MAX_READDIR_DEFAULT    1024
 
 #define CEPH_MSG_MAX_FRONT_LEN	(16*1024*1024)
 #define CEPH_MSG_MAX_DATA_LEN	(16*1024*1024)
 
 #define CEPH_SNAPDIRNAME_DEFAULT ".snap"
 #define CEPH_AUTH_NAME_DEFAULT   "guest"
-
 /*
  * Delay telling the MDS we no longer want caps, in case we reopen
  * the file.  Delay a minimum amount of time, even if we send a cap
@@ -96,6 +96,7 @@ struct ceph_mount_args {
 #define CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT      5  /* cap release delay */
 #define CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT     60  /* cap release delay */
 
+#define CEPH_CAP_RELEASE_SAFETY_DEFAULT        (CEPH_CAPS_PER_RELEASE * 4)
 
 /* mount state */
 enum {

From b736b3d9d0ba52693701373d7cd88aaad8e5bed3 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 30 Apr 2010 12:45:02 -0700
Subject: [PATCH 1806/3638] ceph: adjust masked struct_v variable names

Reported-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/auth_x.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/fs/ceph/auth_x.c b/fs/ceph/auth_x.c
index 18c1a1de554..7b206231566 100644
--- a/fs/ceph/auth_x.c
+++ b/fs/ceph/auth_x.c
@@ -127,7 +127,7 @@ static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
 	int ret;
 	char *dbuf;
 	char *ticket_buf;
-	u8 struct_v;
+	u8 reply_struct_v;
 
 	dbuf = kmalloc(TEMP_TICKET_BUF_LEN, GFP_NOFS);
 	if (!dbuf)
@@ -139,14 +139,14 @@ static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
 		goto out_dbuf;
 
 	ceph_decode_need(&p, end, 1 + sizeof(u32), bad);
-	struct_v = ceph_decode_8(&p);
-	if (struct_v != 1)
+	reply_struct_v = ceph_decode_8(&p);
+	if (reply_struct_v != 1)
 		goto bad;
 	num = ceph_decode_32(&p);
 	dout("%d tickets\n", num);
 	while (num--) {
 		int type;
-		u8 struct_v;
+		u8 tkt_struct_v, blob_struct_v;
 		struct ceph_x_ticket_handler *th;
 		void *dp, *dend;
 		int dlen;
@@ -165,8 +165,8 @@ static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
 		type = ceph_decode_32(&p);
 		dout(" ticket type %d %s\n", type, ceph_entity_type_name(type));
 
-		struct_v = ceph_decode_8(&p);
-		if (struct_v != 1)
+		tkt_struct_v = ceph_decode_8(&p);
+		if (tkt_struct_v != 1)
 			goto bad;
 
 		th = get_ticket_handler(ac, type);
@@ -186,8 +186,8 @@ static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
 		dend = dbuf + dlen;
 		dp = dbuf;
 
-		struct_v = ceph_decode_8(&dp);
-		if (struct_v != 1)
+		tkt_struct_v = ceph_decode_8(&dp);
+		if (tkt_struct_v != 1)
 			goto bad;
 
 		memcpy(&old_key, &th->session_key, sizeof(old_key));
@@ -224,7 +224,7 @@ static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
 		tpend = tp + dlen;
 		dout(" ticket blob is %d bytes\n", dlen);
 		ceph_decode_need(&tp, tpend, 1 + sizeof(u64), bad);
-		struct_v = ceph_decode_8(&tp);
+		blob_struct_v = ceph_decode_8(&tp);
 		new_secret_id = ceph_decode_64(&tp);
 		ret = ceph_decode_buffer(&new_ticket_blob, &tp, tpend);
 		if (ret)

From 56b7cf9581fa0486657102a6fb8efabc3eadeba1 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 3 May 2010 15:22:00 -0700
Subject: [PATCH 1807/3638] ceph: skip mds sync on forced unmount

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 35dbdad07b1..0d451a83bc8 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2748,6 +2748,9 @@ void ceph_mdsc_sync(struct ceph_mds_client *mdsc)
 {
 	u64 want_tid, want_flush;
 
+	if (mdsc->client->mount_state == CEPH_MOUNT_SHUTDOWN)
+		return;
+
 	dout("sync\n");
 	mutex_lock(&mdsc->mutex);
 	want_tid = mdsc->last_tid;

From 31e0cf8f6a1488b6ca69dcdceeaed107ecfd6463 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 4 May 2010 16:39:35 -0700
Subject: [PATCH 1808/3638] ceph: name bdi ceph-%d instead of major:minor

The bdi_setup_and_register() helper doesn't help us since we bdi_init() in
create_client() and bdi_register() only when sget() succeeds.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/super.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 34b16cb302f..7f5b20dc494 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -910,6 +910,8 @@ static int ceph_compare_super(struct super_block *sb, void *data)
 /*
  * construct our own bdi so we can control readahead, etc.
  */
+static atomic_long_t bdi_seq = ATOMIC_INIT(0);
+
 static int ceph_register_bdi(struct super_block *sb, struct ceph_client *client)
 {
 	int err;
@@ -919,7 +921,8 @@ static int ceph_register_bdi(struct super_block *sb, struct ceph_client *client)
 		client->backing_dev_info.ra_pages =
 			(client->mount_args->rsize + PAGE_CACHE_SIZE - 1)
 			>> PAGE_SHIFT;
-	err = bdi_register_dev(&client->backing_dev_info, sb->s_dev);
+	err = bdi_register(&client->backing_dev_info, NULL, "ceph-%d",
+			   atomic_long_inc_return(&bdi_seq));
 	if (!err)
 		sb->s_bdi = &client->backing_dev_info;
 	return err;

From 0f8605f2bde2c69737709765dfc574558ea35d4e Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 5 May 2010 15:51:35 -0700
Subject: [PATCH 1809/3638] ceph: clean up cap release loop vs spinlock

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 0d451a83bc8..824a9b2cde7 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1143,10 +1143,8 @@ static void send_cap_releases(struct ceph_mds_client *mdsc,
 	struct ceph_msg *msg;
 
 	dout("send_cap_releases mds%d\n", session->s_mds);
-	while (1) {
-		spin_lock(&session->s_cap_lock);
-		if (list_empty(&session->s_cap_releases_done))
-			break;
+	spin_lock(&session->s_cap_lock);
+	while (!list_empty(&session->s_cap_releases_done)) {
 		msg = list_first_entry(&session->s_cap_releases_done,
 				 struct ceph_msg, list_head);
 		list_del_init(&msg->list_head);
@@ -1154,6 +1152,7 @@ static void send_cap_releases(struct ceph_mds_client *mdsc,
 		msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
 		dout("send_cap_releases mds%d %p\n", session->s_mds, msg);
 		ceph_con_send(&session->s_con, msg);
+		spin_lock(&session->s_cap_lock);
 	}
 	spin_unlock(&session->s_cap_lock);
 }

From a5ee751c15016d0deee0d651e42a3b163ea73ade Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 10:27:14 +0200
Subject: [PATCH 1810/3638] ceph: cleanup: remove unused assignement

We don't ever use "dirty" so we can remove it.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/caps.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 74c74842c86..0e85d3c8079 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1718,10 +1718,9 @@ out_unlocked:
 static int caps_are_flushed(struct inode *inode, unsigned tid)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
-	int dirty, i, ret = 1;
+	int i, ret = 1;
 
 	spin_lock(&inode->i_lock);
-	dirty = __ceph_caps_dirty(ci);
 	for (i = 0; i < CEPH_CAP_BITS; i++)
 		if ((ci->i_flushing_caps & (1 << i)) &&
 		    ci->i_cap_flush_tid[i] <= tid) {

From dbad185d4939ffb806f6fa753ef9f470e3b72b62 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 25 Mar 2010 15:45:38 -0700
Subject: [PATCH 1811/3638] ceph: drop src address(es) from message header [new
 protocol feature]

The CEPH_FEATURE_NOSRCADDR protocol feature avoids putting the full source
address in each message header (twice).  This patch switches the client to
the new scheme, and _requires_ this feature on the server.  The server
will support both the old and new schemes.  That means an old client will
work with a new server, but a new client will not work with an old server.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/ceph_fs.h   | 13 +++++++++++--
 fs/ceph/messenger.c | 14 ++++++--------
 fs/ceph/msgr.h      | 20 +++++++++++++++++++-
 3 files changed, 36 insertions(+), 11 deletions(-)

diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h
index 0c2241ef365..8b194c6ef7d 100644
--- a/fs/ceph/ceph_fs.h
+++ b/fs/ceph/ceph_fs.h
@@ -53,8 +53,17 @@
 /*
  * feature bits
  */
-#define CEPH_FEATURE_SUPPORTED  0
-#define CEPH_FEATURE_REQUIRED   0
+#define CEPH_FEATURE_UID        1
+#define CEPH_FEATURE_NOSRCADDR  2
+
+#define CEPH_FEATURE_SUPPORTED_MON  CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
+#define CEPH_FEATURE_REQUIRED_MON   CEPH_FEATURE_UID
+#define CEPH_FEATURE_SUPPORTED_MDS  CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
+#define CEPH_FEATURE_REQUIRED_MDS   CEPH_FEATURE_UID
+#define CEPH_FEATURE_SUPPORTED_OSD  CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
+#define CEPH_FEATURE_REQUIRED_OSD   CEPH_FEATURE_UID
+#define CEPH_FEATURE_SUPPORTED_CLIENT CEPH_FEATURE_NOSRCADDR
+#define CEPH_FEATURE_REQUIRED_CLIENT CEPH_FEATURE_NOSRCADDR
 
 
 /*
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index bb16edb1aef..fe75ec7d840 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -663,7 +663,7 @@ static void prepare_write_connect(struct ceph_messenger *msgr,
 	dout("prepare_write_connect %p cseq=%d gseq=%d proto=%d\n", con,
 	     con->connect_seq, global_seq, proto);
 
-	con->out_connect.features = CEPH_FEATURE_SUPPORTED;
+	con->out_connect.features = CEPH_FEATURE_SUPPORTED_CLIENT;
 	con->out_connect.host_type = cpu_to_le32(CEPH_ENTITY_TYPE_CLIENT);
 	con->out_connect.connect_seq = cpu_to_le32(con->connect_seq);
 	con->out_connect.global_seq = cpu_to_le32(global_seq);
@@ -1126,8 +1126,8 @@ static void fail_protocol(struct ceph_connection *con)
 
 static int process_connect(struct ceph_connection *con)
 {
-	u64 sup_feat = CEPH_FEATURE_SUPPORTED;
-	u64 req_feat = CEPH_FEATURE_REQUIRED;
+	u64 sup_feat = CEPH_FEATURE_SUPPORTED_CLIENT;
+	u64 req_feat = CEPH_FEATURE_REQUIRED_CLIENT;
 	u64 server_feat = le64_to_cpu(con->in_reply.features);
 
 	dout("process_connect on %p tag %d\n", con, (int)con->in_tag);
@@ -1514,14 +1514,14 @@ static void process_message(struct ceph_connection *con)
 
 	/* if first message, set peer_name */
 	if (con->peer_name.type == 0)
-		con->peer_name = msg->hdr.src.name;
+		con->peer_name = msg->hdr.src;
 
 	con->in_seq++;
 	mutex_unlock(&con->mutex);
 
 	dout("===== %p %llu from %s%lld %d=%s len %d+%d (%u %u %u) =====\n",
 	     msg, le64_to_cpu(msg->hdr.seq),
-	     ENTITY_NAME(msg->hdr.src.name),
+	     ENTITY_NAME(msg->hdr.src),
 	     le16_to_cpu(msg->hdr.type),
 	     ceph_msg_type_name(le16_to_cpu(msg->hdr.type)),
 	     le32_to_cpu(msg->hdr.front_len),
@@ -1987,9 +1987,7 @@ void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg)
 	}
 
 	/* set src+dst */
-	msg->hdr.src.name = con->msgr->inst.name;
-	msg->hdr.src.addr = con->msgr->my_enc_addr;
-	msg->hdr.orig_src = msg->hdr.src;
+	msg->hdr.src = con->msgr->inst.name;
 
 	BUG_ON(msg->front.iov_len != le32_to_cpu(msg->hdr.front_len));
 
diff --git a/fs/ceph/msgr.h b/fs/ceph/msgr.h
index 8aaab414f3f..6baa8e4f8e7 100644
--- a/fs/ceph/msgr.h
+++ b/fs/ceph/msgr.h
@@ -120,7 +120,7 @@ struct ceph_msg_connect_reply {
 /*
  * message header
  */
-struct ceph_msg_header {
+struct ceph_msg_header_old {
 	__le64 seq;       /* message seq# for this session */
 	__le64 tid;       /* transaction id */
 	__le16 type;      /* message type */
@@ -138,6 +138,24 @@ struct ceph_msg_header {
 	__le32 crc;       /* header crc32c */
 } __attribute__ ((packed));
 
+struct ceph_msg_header {
+	__le64 seq;       /* message seq# for this session */
+	__le64 tid;       /* transaction id */
+	__le16 type;      /* message type */
+	__le16 priority;  /* priority.  higher value == higher priority */
+	__le16 version;   /* version of message encoding */
+
+	__le32 front_len; /* bytes in main payload */
+	__le32 middle_len;/* bytes in middle payload */
+	__le32 data_len;  /* bytes of data payload */
+	__le16 data_off;  /* sender: include full offset;
+			     receiver: mask against ~PAGE_MASK */
+
+	struct ceph_entity_name src;
+	__le32 reserved;
+	__le32 crc;       /* header crc32c */
+} __attribute__ ((packed));
+
 #define CEPH_MSG_PRIO_LOW     64
 #define CEPH_MSG_PRIO_DEFAULT 127
 #define CEPH_MSG_PRIO_HIGH    196

From f8c76f6f250edbdc9d2011b0e05d196a3d8ae895 Mon Sep 17 00:00:00 2001
From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Thu, 22 Apr 2010 15:40:37 -0700
Subject: [PATCH 1812/3638] ceph: make mon client statfs handling more generic

This is being done so that we could reuse the statfs
infrastructure with other requests that return values.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/debugfs.c    | 13 ++++---
 fs/ceph/mon_client.c | 82 ++++++++++++++++++++++----------------------
 fs/ceph/mon_client.h | 15 ++++----
 3 files changed, 58 insertions(+), 52 deletions(-)

diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index f7048da92ac..3be33fb066c 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -113,7 +113,7 @@ static int osdmap_show(struct seq_file *s, void *p)
 static int monc_show(struct seq_file *s, void *p)
 {
 	struct ceph_client *client = s->private;
-	struct ceph_mon_statfs_request *req;
+	struct ceph_mon_generic_request *req;
 	struct ceph_mon_client *monc = &client->monc;
 	struct rb_node *rp;
 
@@ -126,9 +126,14 @@ static int monc_show(struct seq_file *s, void *p)
 	if (monc->want_next_osdmap)
 		seq_printf(s, "want next osdmap\n");
 
-	for (rp = rb_first(&monc->statfs_request_tree); rp; rp = rb_next(rp)) {
-		req = rb_entry(rp, struct ceph_mon_statfs_request, node);
-		seq_printf(s, "%lld statfs\n", req->tid);
+	for (rp = rb_first(&monc->generic_request_tree); rp; rp = rb_next(rp)) {
+		__u16 op;
+		req = rb_entry(rp, struct ceph_mon_generic_request, node);
+		op = le16_to_cpu(req->request->hdr.type);
+		if (op == CEPH_MSG_STATFS)
+			seq_printf(s, "%lld statfs\n", req->tid);
+		else
+			seq_printf(s, "%lld unknown\n", req->tid);
 	}
 
 	mutex_unlock(&monc->mutex);
diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 9900706fee7..7df2f8c157f 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -353,14 +353,14 @@ out:
 /*
  * statfs
  */
-static struct ceph_mon_statfs_request *__lookup_statfs(
+static struct ceph_mon_generic_request *__lookup_generic_req(
 	struct ceph_mon_client *monc, u64 tid)
 {
-	struct ceph_mon_statfs_request *req;
-	struct rb_node *n = monc->statfs_request_tree.rb_node;
+	struct ceph_mon_generic_request *req;
+	struct rb_node *n = monc->generic_request_tree.rb_node;
 
 	while (n) {
-		req = rb_entry(n, struct ceph_mon_statfs_request, node);
+		req = rb_entry(n, struct ceph_mon_generic_request, node);
 		if (tid < req->tid)
 			n = n->rb_left;
 		else if (tid > req->tid)
@@ -371,16 +371,16 @@ static struct ceph_mon_statfs_request *__lookup_statfs(
 	return NULL;
 }
 
-static void __insert_statfs(struct ceph_mon_client *monc,
-			    struct ceph_mon_statfs_request *new)
+static void __insert_generic_request(struct ceph_mon_client *monc,
+			    struct ceph_mon_generic_request *new)
 {
-	struct rb_node **p = &monc->statfs_request_tree.rb_node;
+	struct rb_node **p = &monc->generic_request_tree.rb_node;
 	struct rb_node *parent = NULL;
-	struct ceph_mon_statfs_request *req = NULL;
+	struct ceph_mon_generic_request *req = NULL;
 
 	while (*p) {
 		parent = *p;
-		req = rb_entry(parent, struct ceph_mon_statfs_request, node);
+		req = rb_entry(parent, struct ceph_mon_generic_request, node);
 		if (new->tid < req->tid)
 			p = &(*p)->rb_left;
 		else if (new->tid > req->tid)
@@ -390,13 +390,13 @@ static void __insert_statfs(struct ceph_mon_client *monc,
 	}
 
 	rb_link_node(&new->node, parent, p);
-	rb_insert_color(&new->node, &monc->statfs_request_tree);
+	rb_insert_color(&new->node, &monc->generic_request_tree);
 }
 
-static void release_statfs_request(struct kref *kref)
+static void release_generic_request(struct kref *kref)
 {
-	struct ceph_mon_statfs_request *req =
-		container_of(kref, struct ceph_mon_statfs_request, kref);
+	struct ceph_mon_generic_request *req =
+		container_of(kref, struct ceph_mon_generic_request, kref);
 
 	if (req->reply)
 		ceph_msg_put(req->reply);
@@ -404,33 +404,33 @@ static void release_statfs_request(struct kref *kref)
 		ceph_msg_put(req->request);
 }
 
-static void put_statfs_request(struct ceph_mon_statfs_request *req)
+static void put_generic_request(struct ceph_mon_generic_request *req)
 {
-	kref_put(&req->kref, release_statfs_request);
+	kref_put(&req->kref, release_generic_request);
 }
 
-static void get_statfs_request(struct ceph_mon_statfs_request *req)
+static void get_generic_request(struct ceph_mon_generic_request *req)
 {
 	kref_get(&req->kref);
 }
 
-static struct ceph_msg *get_statfs_reply(struct ceph_connection *con,
+static struct ceph_msg *get_generic_reply(struct ceph_connection *con,
 					 struct ceph_msg_header *hdr,
 					 int *skip)
 {
 	struct ceph_mon_client *monc = con->private;
-	struct ceph_mon_statfs_request *req;
+	struct ceph_mon_generic_request *req;
 	u64 tid = le64_to_cpu(hdr->tid);
 	struct ceph_msg *m;
 
 	mutex_lock(&monc->mutex);
-	req = __lookup_statfs(monc, tid);
+	req = __lookup_generic_req(monc, tid);
 	if (!req) {
-		dout("get_statfs_reply %lld dne\n", tid);
+		dout("get_generic_reply %lld dne\n", tid);
 		*skip = 1;
 		m = NULL;
 	} else {
-		dout("get_statfs_reply %lld got %p\n", tid, req->reply);
+		dout("get_generic_reply %lld got %p\n", tid, req->reply);
 		m = ceph_msg_get(req->reply);
 		/*
 		 * we don't need to track the connection reading into
@@ -445,7 +445,7 @@ static struct ceph_msg *get_statfs_reply(struct ceph_connection *con,
 static void handle_statfs_reply(struct ceph_mon_client *monc,
 				struct ceph_msg *msg)
 {
-	struct ceph_mon_statfs_request *req;
+	struct ceph_mon_generic_request *req;
 	struct ceph_mon_statfs_reply *reply = msg->front.iov_base;
 	u64 tid = le64_to_cpu(msg->hdr.tid);
 
@@ -454,21 +454,21 @@ static void handle_statfs_reply(struct ceph_mon_client *monc,
 	dout("handle_statfs_reply %p tid %llu\n", msg, tid);
 
 	mutex_lock(&monc->mutex);
-	req = __lookup_statfs(monc, tid);
+	req = __lookup_generic_req(monc, tid);
 	if (req) {
-		*req->buf = reply->st;
+		*(struct ceph_statfs *)req->buf = reply->st;
 		req->result = 0;
-		get_statfs_request(req);
+		get_generic_request(req);
 	}
 	mutex_unlock(&monc->mutex);
 	if (req) {
 		complete(&req->completion);
-		put_statfs_request(req);
+		put_generic_request(req);
 	}
 	return;
 
 bad:
-	pr_err("corrupt statfs reply, no tid\n");
+	pr_err("corrupt generic reply, no tid\n");
 	ceph_msg_dump(msg);
 }
 
@@ -477,7 +477,7 @@ bad:
  */
 int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
 {
-	struct ceph_mon_statfs_request *req;
+	struct ceph_mon_generic_request *req;
 	struct ceph_mon_statfs *h;
 	int err;
 
@@ -509,8 +509,8 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
 	mutex_lock(&monc->mutex);
 	req->tid = ++monc->last_tid;
 	req->request->hdr.tid = cpu_to_le64(req->tid);
-	__insert_statfs(monc, req);
-	monc->num_statfs_requests++;
+	__insert_generic_request(monc, req);
+	monc->num_generic_requests++;
 	mutex_unlock(&monc->mutex);
 
 	/* send request and wait */
@@ -518,28 +518,28 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
 	err = wait_for_completion_interruptible(&req->completion);
 
 	mutex_lock(&monc->mutex);
-	rb_erase(&req->node, &monc->statfs_request_tree);
-	monc->num_statfs_requests--;
+	rb_erase(&req->node, &monc->generic_request_tree);
+	monc->num_generic_requests--;
 	mutex_unlock(&monc->mutex);
 
 	if (!err)
 		err = req->result;
 
 out:
-	kref_put(&req->kref, release_statfs_request);
+	kref_put(&req->kref, release_generic_request);
 	return err;
 }
 
 /*
  * Resend pending statfs requests.
  */
-static void __resend_statfs(struct ceph_mon_client *monc)
+static void __resend_generic_request(struct ceph_mon_client *monc)
 {
-	struct ceph_mon_statfs_request *req;
+	struct ceph_mon_generic_request *req;
 	struct rb_node *p;
 
-	for (p = rb_first(&monc->statfs_request_tree); p; p = rb_next(p)) {
-		req = rb_entry(p, struct ceph_mon_statfs_request, node);
+	for (p = rb_first(&monc->generic_request_tree); p; p = rb_next(p)) {
+		req = rb_entry(p, struct ceph_mon_generic_request, node);
 		ceph_con_send(monc->con, ceph_msg_get(req->request));
 	}
 }
@@ -652,8 +652,8 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 	monc->sub_sent = 0;
 
 	INIT_DELAYED_WORK(&monc->delayed_work, delayed_work);
-	monc->statfs_request_tree = RB_ROOT;
-	monc->num_statfs_requests = 0;
+	monc->generic_request_tree = RB_ROOT;
+	monc->num_generic_requests = 0;
 	monc->last_tid = 0;
 
 	monc->have_mdsmap = 0;
@@ -717,7 +717,7 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
 		monc->client->msgr->inst.name.num = monc->auth->global_id;
 
 		__send_subscribe(monc);
-		__resend_statfs(monc);
+		__resend_generic_request(monc);
 	}
 	mutex_unlock(&monc->mutex);
 }
@@ -809,7 +809,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
 		m = ceph_msg_get(monc->m_subscribe_ack);
 		break;
 	case CEPH_MSG_STATFS_REPLY:
-		return get_statfs_reply(con, hdr, skip);
+		return get_generic_reply(con, hdr, skip);
 	case CEPH_MSG_AUTH_REPLY:
 		m = ceph_msg_get(monc->m_auth_reply);
 		break;
diff --git a/fs/ceph/mon_client.h b/fs/ceph/mon_client.h
index 0046deed074..76887785a4d 100644
--- a/fs/ceph/mon_client.h
+++ b/fs/ceph/mon_client.h
@@ -22,7 +22,7 @@ struct ceph_monmap {
 };
 
 struct ceph_mon_client;
-struct ceph_mon_statfs_request;
+struct ceph_mon_generic_request;
 
 
 /*
@@ -40,15 +40,16 @@ struct ceph_mon_request {
 };
 
 /*
- * statfs() is done a bit differently because we need to get data back
+ * ceph_mon_generic_request is being used for the statfs and poolop requests
+ * which are bening done a bit differently because we need to get data back
  * to the caller
  */
-struct ceph_mon_statfs_request {
+struct ceph_mon_generic_request {
 	struct kref kref;
 	u64 tid;
 	struct rb_node node;
 	int result;
-	struct ceph_statfs *buf;
+	void *buf;
 	struct completion completion;
 	struct ceph_msg *request;  /* original request */
 	struct ceph_msg *reply;    /* and reply */
@@ -71,9 +72,9 @@ struct ceph_mon_client {
 	struct ceph_connection *con;
 	bool have_fsid;
 
-	/* pending statfs requests */
-	struct rb_root statfs_request_tree;
-	int num_statfs_requests;
+	/* pending generic requests */
+	struct rb_root generic_request_tree;
+	int num_generic_requests;
 	u64 last_tid;
 
 	/* mds/osd map */

From e01a594646ebbf964b6058e3bf28125379063439 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 10 May 2010 15:36:44 -0700
Subject: [PATCH 1813/3638] ceph: dicard cap releases on mds restart

If the MDS restarts, the expire caps state is no longer shared, and can be
thrown out.  Caps state will be rebuilt on the MDS during the reconnect
process that follows.  Zero out any release messages and adjust the
release counter accordingly.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 824a9b2cde7..a4d9e5b0fd3 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1157,6 +1157,44 @@ static void send_cap_releases(struct ceph_mds_client *mdsc,
 	spin_unlock(&session->s_cap_lock);
 }
 
+static void discard_cap_releases(struct ceph_mds_client *mdsc,
+				 struct ceph_mds_session *session)
+{
+	struct ceph_msg *msg;
+	struct ceph_mds_cap_release *head;
+	unsigned num;
+
+	dout("discard_cap_releases mds%d\n", session->s_mds);
+	spin_lock(&session->s_cap_lock);
+
+	/* zero out the in-progress message */
+	msg = list_first_entry(&session->s_cap_releases,
+			       struct ceph_msg, list_head);
+	head = msg->front.iov_base;
+	num = le32_to_cpu(head->num);
+	dout("discard_cap_releases mds%d %p %u\n", session->s_mds, msg, num);
+	head->num = cpu_to_le32(0);
+	session->s_num_cap_releases += num;
+
+	/* requeue completed messages */
+	while (!list_empty(&session->s_cap_releases_done)) {
+		msg = list_first_entry(&session->s_cap_releases_done,
+				 struct ceph_msg, list_head);
+		list_del_init(&msg->list_head);
+
+		head = msg->front.iov_base;
+		num = le32_to_cpu(head->num);
+		dout("discard_cap_releases mds%d %p %u\n", session->s_mds, msg,
+		     num);
+		session->s_num_cap_releases += num;
+		head->num = cpu_to_le32(0);
+		msg->front.iov_len = sizeof(*head);
+		list_add(&msg->list_head, &session->s_cap_releases);
+	}
+
+	spin_unlock(&session->s_cap_lock);
+}
+
 /*
  * requests
  */
@@ -2183,6 +2221,9 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, int mds)
 	dout("session %p state %s\n", session,
 	     session_state_name(session->s_state));
 
+	/* drop old cap expires; we're about to reestablish that state */
+	discard_cap_releases(mdsc, session);
+
 	/* traverse this session's caps */
 	err = ceph_pagelist_encode_32(pagelist, session->s_nr_caps);
 	if (err)

From aab53dd9e81ccefa7b8d88eec5138dd73639a783 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 17 Mar 2010 16:30:21 -0700
Subject: [PATCH 1814/3638] ceph: only send cap releases when mds is OPEN|HUNG

On OPENING we shouldn't have any caps (or releases).
On CLOSING, we should wait until we succeed (and throw it all out), or
don't (and are OPEN again).
On RECONNECTING we can wait until we are OPEN.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index a4d9e5b0fd3..d45787470fb 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2647,7 +2647,9 @@ static void delayed_work(struct work_struct *work)
 		else
 			ceph_con_keepalive(&s->s_con);
 		add_cap_releases(mdsc, s, -1);
-		send_cap_releases(mdsc, s);
+		if (s->s_state == CEPH_MDS_SESSION_OPEN ||
+		    s->s_state == CEPH_MDS_SESSION_HUNG)
+			send_cap_releases(mdsc, s);
 		mutex_unlock(&s->s_mutex);
 		ceph_put_mds_session(s);
 

From 29790f26ab3e63b2a083f0811b80e2f086e4fcb2 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 18 Mar 2010 14:45:05 -0700
Subject: [PATCH 1815/3638] ceph: wait for mds OPEN reply to indicate reconnect
 success

We used to infer reconnect success by watching the MDS state, essentially
assuming that hearing nothing meant things were ok.  That wasn't
particularly reliable.  Instead, the MDS replies with an explicit OPEN
message to indicate success.

Strictly speaking, this is a protocol change, but it is a backwards
compatible one that does not break new clients + old servers or old
clients + new servers.  At least not yet.

Drop unused @all argument from kick_requests while we're at it.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index d45787470fb..972ec5ae2ac 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1660,10 +1660,9 @@ static void __wake_requests(struct ceph_mds_client *mdsc,
 
 /*
  * Wake up threads with requests pending for @mds, so that they can
- * resubmit their requests to a possibly different mds.  If @all is set,
- * wake up if their requests has been forwarded to @mds, too.
+ * resubmit their requests to a possibly different mds.
  */
-static void kick_requests(struct ceph_mds_client *mdsc, int mds, int all)
+static void kick_requests(struct ceph_mds_client *mdsc, int mds)
 {
 	struct ceph_mds_request *req;
 	struct rb_node *p;
@@ -2026,6 +2025,8 @@ static void handle_session(struct ceph_mds_session *session,
 
 	switch (op) {
 	case CEPH_SESSION_OPEN:
+		if (session->s_state == CEPH_MDS_SESSION_RECONNECTING)
+			pr_info("mds%d reconnect success\n", session->s_mds);
 		session->s_state = CEPH_MDS_SESSION_OPEN;
 		renewed_caps(mdsc, session, 0);
 		wake = 1;
@@ -2039,10 +2040,12 @@ static void handle_session(struct ceph_mds_session *session,
 		break;
 
 	case CEPH_SESSION_CLOSE:
+		if (session->s_state == CEPH_MDS_SESSION_RECONNECTING)
+			pr_info("mds%d reconnect denied\n", session->s_mds);
 		remove_session_caps(session);
 		wake = 1; /* for good measure */
 		complete(&mdsc->session_close_waiters);
-		kick_requests(mdsc, mds, 0);      /* cur only */
+		kick_requests(mdsc, mds);
 		break;
 
 	case CEPH_SESSION_STALE:
@@ -2258,7 +2261,6 @@ send:
 	reply->nr_pages = calc_pages_for(0, pagelist->length);
 	ceph_con_send(&session->s_con, reply);
 
-	session->s_state = CEPH_MDS_SESSION_OPEN;
 	mutex_unlock(&session->s_mutex);
 
 	mutex_lock(&mdsc->mutex);
@@ -2334,7 +2336,7 @@ static void check_new_map(struct ceph_mds_client *mdsc,
 			}
 
 			/* kick any requests waiting on the recovering mds */
-			kick_requests(mdsc, i, 1);
+			kick_requests(mdsc, i);
 		} else if (oldstate == newstate) {
 			continue;  /* nothing new with this mds */
 		}
@@ -2347,18 +2349,14 @@ static void check_new_map(struct ceph_mds_client *mdsc,
 			send_mds_reconnect(mdsc, i);
 
 		/*
-		 * kick requests on any mds that has gone active.
-		 *
-		 * kick requests on cur or forwarder: we may have sent
-		 * the request to mds1, mds1 told us it forwarded it
-		 * to mds2, but then we learn mds1 failed and can't be
-		 * sure it successfully forwarded our request before
-		 * it died.
+		 * kick request on any mds that has gone active.
 		 */
 		if (oldstate < CEPH_MDS_STATE_ACTIVE &&
 		    newstate >= CEPH_MDS_STATE_ACTIVE) {
-			pr_info("mds%d reconnect completed\n", s->s_mds);
-			kick_requests(mdsc, i, 1);
+			if (oldstate != CEPH_MDS_STATE_CREATING &&
+			    oldstate != CEPH_MDS_STATE_STARTING)
+				pr_info("mds%d recovery completed\n", s->s_mds);
+			kick_requests(mdsc, i);
 			ceph_kick_flushing_caps(mdsc, s);
 			wake_up_session_caps(s, 1);
 		}

From 34b6c855fafc54ef130649809cd580f98e3f8416 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 10 May 2010 16:31:25 -0700
Subject: [PATCH 1816/3638] ceph: clean up send_mds_reconnect interface

Pass a ceph_mds_session, since the caller has it.

Remove the dead code for sending empty reconnects.  It used to be used
when the MDS contacted _us_ to solicit a reconnect, and we could reply
saying "go away, I have no session."  Now we only send reconnects based
on the mds map, and only when we do in fact have an open session.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 47 +++++++++++++++-----------------------------
 1 file changed, 16 insertions(+), 31 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 972ec5ae2ac..e310b4be558 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2177,50 +2177,38 @@ out:
  *
  * called with mdsc->mutex held.
  */
-static void send_mds_reconnect(struct ceph_mds_client *mdsc, int mds)
+static void send_mds_reconnect(struct ceph_mds_client *mdsc,
+			       struct ceph_mds_session *session)
 {
-	struct ceph_mds_session *session = NULL;
 	struct ceph_msg *reply;
 	struct rb_node *p;
+	int mds = session->s_mds;
 	int err = -ENOMEM;
 	struct ceph_pagelist *pagelist;
 
-	pr_info("reconnect to recovering mds%d\n", mds);
+	pr_info("mds%d reconnect start\n", mds);
 
 	pagelist = kmalloc(sizeof(*pagelist), GFP_NOFS);
 	if (!pagelist)
 		goto fail_nopagelist;
 	ceph_pagelist_init(pagelist);
 
-	err = -ENOMEM;
 	reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0);
 	if (!reply)
 		goto fail_nomsg;
 
-	/* find session */
-	session = __ceph_lookup_mds_session(mdsc, mds);
-	mutex_unlock(&mdsc->mutex);    /* drop lock for duration */
+	mutex_lock(&session->s_mutex);
+	session->s_state = CEPH_MDS_SESSION_RECONNECTING;
+	session->s_seq = 0;
 
-	if (session) {
-		mutex_lock(&session->s_mutex);
+	ceph_con_open(&session->s_con,
+		      ceph_mdsmap_get_addr(mdsc->mdsmap, mds));
 
-		session->s_state = CEPH_MDS_SESSION_RECONNECTING;
-		session->s_seq = 0;
-
-		ceph_con_open(&session->s_con,
-			      ceph_mdsmap_get_addr(mdsc->mdsmap, mds));
-
-		/* replay unsafe requests */
-		replay_unsafe_requests(mdsc, session);
-	} else {
-		dout("no session for mds%d, will send short reconnect\n",
-		     mds);
-	}
+	/* replay unsafe requests */
+	replay_unsafe_requests(mdsc, session);
 
 	down_read(&mdsc->snap_rwsem);
 
-	if (!session)
-		goto send;
 	dout("session %p state %s\n", session,
 	     session_state_name(session->s_state));
 
@@ -2255,7 +2243,6 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, int mds)
 			goto fail;
 	}
 
-send:
 	reply->pagelist = pagelist;
 	reply->hdr.data_len = cpu_to_le32(pagelist->length);
 	reply->nr_pages = calc_pages_for(0, pagelist->length);
@@ -2267,23 +2254,18 @@ send:
 	__wake_requests(mdsc, &session->s_waiting);
 	mutex_unlock(&mdsc->mutex);
 
-	ceph_put_mds_session(session);
-
 	up_read(&mdsc->snap_rwsem);
-	mutex_lock(&mdsc->mutex);
 	return;
 
 fail:
 	ceph_msg_put(reply);
 	up_read(&mdsc->snap_rwsem);
 	mutex_unlock(&session->s_mutex);
-	ceph_put_mds_session(session);
 fail_nomsg:
 	ceph_pagelist_release(pagelist);
 	kfree(pagelist);
 fail_nopagelist:
 	pr_err("error %d preparing reconnect for mds%d\n", err, mds);
-	mutex_lock(&mdsc->mutex);
 	return;
 }
 
@@ -2345,8 +2327,11 @@ static void check_new_map(struct ceph_mds_client *mdsc,
 		 * send reconnect?
 		 */
 		if (s->s_state == CEPH_MDS_SESSION_RESTARTING &&
-		    newstate >= CEPH_MDS_STATE_RECONNECT)
-			send_mds_reconnect(mdsc, i);
+		    newstate >= CEPH_MDS_STATE_RECONNECT) {
+			mutex_unlock(&mdsc->mutex);
+			send_mds_reconnect(mdsc, s);
+			mutex_lock(&mdsc->mutex);
+		}
 
 		/*
 		 * kick request on any mds that has gone active.

From 7e70f0ed9f3ee47394576be86c593f66832413e9 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 18 Mar 2010 13:59:12 -0700
Subject: [PATCH 1817/3638] ceph: attempt mds reconnect if mds closes our
 session

Currently, if our session is closed (due to a timeout, or explicit close,
or whatever), we just sit there doing nothing unless/until the MDS
restarts, at which point we try to reconnect.

Change client to attempt an immediate reconnect if our session is closed.

Note that currently the MDS doesn't support this, and our attempt will
fail.  We'll get a session CLOSE, our caps and dirty cap state will be
dropped, and the client will be free to attempt to reconnect.  That's
clearly not as nice as a successful reconnect, but it at least allows us
to try to carry on, and in the future the MDS will support a reconnect
and we will fare better.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index e310b4be558..525085f36db 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2958,9 +2958,10 @@ static void con_put(struct ceph_connection *con)
 static void peer_reset(struct ceph_connection *con)
 {
 	struct ceph_mds_session *s = con->private;
+	struct ceph_mds_client *mdsc = s->s_mdsc;
 
-	pr_err("mds%d gave us the boot.  IMPLEMENT RECONNECT.\n",
-	       s->s_mds);
+	pr_warning("mds%d closed our session\n", s->s_mds);
+	send_mds_reconnect(mdsc, s);
 }
 
 static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)

From 6c99f2545dbb9e53afe0d1d037c51ab04ef1ff4e Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 10 May 2010 16:12:25 -0700
Subject: [PATCH 1818/3638] ceph: throw out dirty caps metadata, data on
 session teardown

The remove_session_caps() helper is called when an MDS closes out our
session (either normally, or as a result of a failed reconnect), and when
we tear down state for umount.  If we remove the last cap, and there are
no cap migrations in progress, then there is little hope of us flushing
out that data to the mds (without heroic efforts to reconnect and flush).

So, to avoid leaving inodes pinned (due to dirty state) and crashing after
umount, throw out dirty caps state and unpin the inodes.  Print a warning
to the console so we know something was lost.

NOTE: Although we drop wrbuffer refs, we don't actually mark pages clean;
maybe a truncate should be queued?

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 44 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 41 insertions(+), 3 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 525085f36db..114bada97c1 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -799,12 +799,49 @@ out:
 }
 
 static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
-				   void *arg)
+				  void *arg)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
+	int drop = 0;
+
 	dout("removing cap %p, ci is %p, inode is %p\n",
 	     cap, ci, &ci->vfs_inode);
-	ceph_remove_cap(cap);
+	spin_lock(&inode->i_lock);
+	__ceph_remove_cap(cap);
+	if (!__ceph_is_any_real_caps(ci)) {
+		struct ceph_mds_client *mdsc =
+			&ceph_sb_to_client(inode->i_sb)->mdsc;
+
+		spin_lock(&mdsc->cap_dirty_lock);
+		if (!list_empty(&ci->i_dirty_item)) {
+			pr_info(" dropping dirty %s state for %p %lld\n",
+				ceph_cap_string(ci->i_dirty_caps),
+				inode, ceph_ino(inode));
+			ci->i_dirty_caps = 0;
+			list_del_init(&ci->i_dirty_item);
+			drop = 1;
+		}
+		if (!list_empty(&ci->i_flushing_item)) {
+			pr_info(" dropping dirty+flushing %s state for %p %lld\n",
+				ceph_cap_string(ci->i_flushing_caps),
+				inode, ceph_ino(inode));
+			ci->i_flushing_caps = 0;
+			list_del_init(&ci->i_flushing_item);
+			mdsc->num_cap_flushing--;
+			drop = 1;
+		}
+		if (drop && ci->i_wrbuffer_ref) {
+			pr_info(" dropping dirty data for %p %lld\n",
+				inode, ceph_ino(inode));
+			ci->i_wrbuffer_ref = 0;
+			ci->i_wrbuffer_ref_head = 0;
+			drop++;
+		}
+		spin_unlock(&mdsc->cap_dirty_lock);
+	}
+	spin_unlock(&inode->i_lock);
+	while (drop--)
+		iput(inode);
 	return 0;
 }
 
@@ -816,6 +853,7 @@ static void remove_session_caps(struct ceph_mds_session *session)
 	dout("remove_session_caps on %p\n", session);
 	iterate_session_caps(session, remove_session_caps_cb, NULL);
 	BUG_ON(session->s_nr_caps > 0);
+	BUG_ON(!list_empty(&session->s_cap_flushing));
 	cleanup_cap_releases(session);
 }
 
@@ -1281,7 +1319,7 @@ retry:
 			len += 1 + temp->d_name.len;
 		temp = temp->d_parent;
 		if (temp == NULL) {
-			pr_err("build_path_dentry corrupt dentry %p\n", dentry);
+			pr_err("build_path corrupt dentry %p\n", dentry);
 			return ERR_PTR(-EINVAL);
 		}
 	}

From 1a75627896fe67d0124eab6fe2f83dd40188c40c Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 11 May 2010 11:40:25 -0700
Subject: [PATCH 1819/3638] ceph: use ceph. prefix for virtual xattrs

Drop the 'user.' prefix and use just 'ceph.' for fs virtual xattrs.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/xattr.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 7185d0794df..68aeebc6968 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -7,7 +7,8 @@
 
 static bool ceph_is_valid_xattr(const char *name)
 {
-	return !strncmp(name, XATTR_SECURITY_PREFIX,
+	return !strncmp(name, "ceph.", 5) ||
+	       !strncmp(name, XATTR_SECURITY_PREFIX,
 			XATTR_SECURITY_PREFIX_LEN) ||
 	       !strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN) ||
 	       !strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
@@ -76,14 +77,14 @@ static size_t ceph_vxattrcb_rctime(struct ceph_inode_info *ci, char *val,
 }
 
 static struct ceph_vxattr_cb ceph_dir_vxattrs[] = {
-	{ true, "user.ceph.dir.entries", ceph_vxattrcb_entries},
-	{ true, "user.ceph.dir.files", ceph_vxattrcb_files},
-	{ true, "user.ceph.dir.subdirs", ceph_vxattrcb_subdirs},
-	{ true, "user.ceph.dir.rentries", ceph_vxattrcb_rentries},
-	{ true, "user.ceph.dir.rfiles", ceph_vxattrcb_rfiles},
-	{ true, "user.ceph.dir.rsubdirs", ceph_vxattrcb_rsubdirs},
-	{ true, "user.ceph.dir.rbytes", ceph_vxattrcb_rbytes},
-	{ true, "user.ceph.dir.rctime", ceph_vxattrcb_rctime},
+	{ true, "ceph.dir.entries", ceph_vxattrcb_entries},
+	{ true, "ceph.dir.files", ceph_vxattrcb_files},
+	{ true, "ceph.dir.subdirs", ceph_vxattrcb_subdirs},
+	{ true, "ceph.dir.rentries", ceph_vxattrcb_rentries},
+	{ true, "ceph.dir.rfiles", ceph_vxattrcb_rfiles},
+	{ true, "ceph.dir.rsubdirs", ceph_vxattrcb_rsubdirs},
+	{ true, "ceph.dir.rbytes", ceph_vxattrcb_rbytes},
+	{ true, "ceph.dir.rctime", ceph_vxattrcb_rctime},
 	{ true, NULL, NULL }
 };
 
@@ -107,7 +108,7 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
 }
 
 static struct ceph_vxattr_cb ceph_file_vxattrs[] = {
-	{ true, "user.ceph.layout", ceph_vxattrcb_layout},
+	{ true, "ceph.layout", ceph_vxattrcb_layout},
 	{ NULL, NULL }
 };
 

From ca9d93a292e327bbcddd8f8ea4197397e35097d4 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 12 May 2010 14:48:20 -0700
Subject: [PATCH 1820/3638] ceph: resync headers with userland

Notable changes include pool op defines and types, FLOCK feature bit, and
new CMPXATTR osd ops.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/ceph_fs.h      | 50 +++++++++++++++++++++++++++++++++++++++---
 fs/ceph/ceph_strings.c | 23 ++++++++++++++++++-
 fs/ceph/messenger.c    | 12 ----------
 fs/ceph/messenger.h    |  4 +---
 fs/ceph/msgr.h         |  1 -
 fs/ceph/rados.h        | 23 +++++++++++++++++--
 6 files changed, 91 insertions(+), 22 deletions(-)

diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h
index 8b194c6ef7d..715e39ce517 100644
--- a/fs/ceph/ceph_fs.h
+++ b/fs/ceph/ceph_fs.h
@@ -19,7 +19,7 @@
  * Ceph release version
  */
 #define CEPH_VERSION_MAJOR 0
-#define CEPH_VERSION_MINOR 19
+#define CEPH_VERSION_MINOR 20
 #define CEPH_VERSION_PATCH 0
 
 #define _CEPH_STRINGIFY(x) #x
@@ -36,7 +36,7 @@
  * client-facing protocol.
  */
 #define CEPH_OSD_PROTOCOL     8 /* cluster internal */
-#define CEPH_MDS_PROTOCOL     9 /* cluster internal */
+#define CEPH_MDS_PROTOCOL    12 /* cluster internal */
 #define CEPH_MON_PROTOCOL     5 /* cluster internal */
 #define CEPH_OSDC_PROTOCOL   24 /* server/client */
 #define CEPH_MDSC_PROTOCOL   32 /* server/client */
@@ -55,10 +55,11 @@
  */
 #define CEPH_FEATURE_UID        1
 #define CEPH_FEATURE_NOSRCADDR  2
+#define CEPH_FEATURE_FLOCK      4
 
 #define CEPH_FEATURE_SUPPORTED_MON  CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
 #define CEPH_FEATURE_REQUIRED_MON   CEPH_FEATURE_UID
-#define CEPH_FEATURE_SUPPORTED_MDS  CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
+#define CEPH_FEATURE_SUPPORTED_MDS  CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR|CEPH_FEATURE_FLOCK
 #define CEPH_FEATURE_REQUIRED_MDS   CEPH_FEATURE_UID
 #define CEPH_FEATURE_SUPPORTED_OSD  CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
 #define CEPH_FEATURE_REQUIRED_OSD   CEPH_FEATURE_UID
@@ -100,6 +101,8 @@ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout);
 #define CEPH_AUTH_NONE	 	0x1
 #define CEPH_AUTH_CEPHX	 	0x2
 
+#define CEPH_AUTH_UID_DEFAULT ((__u64) -1)
+
 
 /*********************************************
  * message layer
@@ -137,11 +140,27 @@ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout);
 #define CEPH_MSG_CLIENT_SNAP            0x312
 #define CEPH_MSG_CLIENT_CAPRELEASE      0x313
 
+/* pool ops */
+#define CEPH_MSG_POOLOP_REPLY           48
+#define CEPH_MSG_POOLOP                 49
+
+
 /* osd */
 #define CEPH_MSG_OSD_MAP          41
 #define CEPH_MSG_OSD_OP           42
 #define CEPH_MSG_OSD_OPREPLY      43
 
+/* pool operations */
+enum {
+  POOL_OP_CREATE			= 0x01,
+  POOL_OP_DELETE			= 0x02,
+  POOL_OP_AUID_CHANGE			= 0x03,
+  POOL_OP_CREATE_SNAP			= 0x11,
+  POOL_OP_DELETE_SNAP			= 0x12,
+  POOL_OP_CREATE_UNMANAGED_SNAP		= 0x21,
+  POOL_OP_DELETE_UNMANAGED_SNAP		= 0x22,
+};
+
 struct ceph_mon_request_header {
 	__le64 have_version;
 	__le16 session_mon;
@@ -164,6 +183,31 @@ struct ceph_mon_statfs_reply {
 	struct ceph_statfs st;
 } __attribute__ ((packed));
 
+const char *ceph_pool_op_name(int op);
+
+struct ceph_mon_poolop {
+	struct ceph_mon_request_header monhdr;
+	struct ceph_fsid fsid;
+	__le32 pool;
+	__le32 op;
+	__le64 auid;
+	__le64 snapid;
+	__le32 name_len;
+} __attribute__ ((packed));
+
+struct ceph_mon_poolop_reply {
+	struct ceph_mon_request_header monhdr;
+	struct ceph_fsid fsid;
+	__le32 reply_code;
+	__le32 epoch;
+	char has_data;
+	char data[0];
+} __attribute__ ((packed));
+
+struct ceph_mon_unmanaged_snap {
+	__le64 snapid;
+} __attribute__ ((packed));
+
 struct ceph_osd_getmap {
 	struct ceph_mon_request_header monhdr;
 	struct ceph_fsid fsid;
diff --git a/fs/ceph/ceph_strings.c b/fs/ceph/ceph_strings.c
index 8e4be6a80c6..78908301ff1 100644
--- a/fs/ceph/ceph_strings.c
+++ b/fs/ceph/ceph_strings.c
@@ -10,7 +10,6 @@ const char *ceph_entity_type_name(int type)
 	case CEPH_ENTITY_TYPE_OSD: return "osd";
 	case CEPH_ENTITY_TYPE_MON: return "mon";
 	case CEPH_ENTITY_TYPE_CLIENT: return "client";
-	case CEPH_ENTITY_TYPE_ADMIN: return "admin";
 	case CEPH_ENTITY_TYPE_AUTH: return "auth";
 	default: return "unknown";
 	}
@@ -45,6 +44,7 @@ const char *ceph_osd_op_name(int op)
 	case CEPH_OSD_OP_SETXATTRS: return "setxattrs";
 	case CEPH_OSD_OP_RESETXATTRS: return "resetxattrs";
 	case CEPH_OSD_OP_RMXATTR: return "rmxattr";
+	case CEPH_OSD_OP_CMPXATTR: return "cmpxattr";
 
 	case CEPH_OSD_OP_PULL: return "pull";
 	case CEPH_OSD_OP_PUSH: return "push";
@@ -174,3 +174,24 @@ const char *ceph_snap_op_name(int o)
 	}
 	return "???";
 }
+
+const char *ceph_pool_op_name(int op) {
+  switch (op) {
+  case POOL_OP_CREATE:
+    return "create pool";
+  case POOL_OP_DELETE:
+    return "delete pool";
+  case POOL_OP_AUID_CHANGE:
+    return "change auid";
+  case POOL_OP_CREATE_SNAP:
+    return "create snap";
+  case POOL_OP_DELETE_SNAP:
+    return "delete snap";
+  case POOL_OP_CREATE_UNMANAGED_SNAP:
+    return "create unmanaged snap";
+  case POOL_OP_DELETE_UNMANAGED_SNAP:
+    return "delete unmanaged snap";
+  default:
+    return "unknown";
+  }
+}
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index fe75ec7d840..d18a544490f 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -39,18 +39,6 @@ static void queue_con(struct ceph_connection *con);
 static void con_work(struct work_struct *);
 static void ceph_fault(struct ceph_connection *con);
 
-const char *ceph_name_type_str(int t)
-{
-	switch (t) {
-	case CEPH_ENTITY_TYPE_MON: return "mon";
-	case CEPH_ENTITY_TYPE_MDS: return "mds";
-	case CEPH_ENTITY_TYPE_OSD: return "osd";
-	case CEPH_ENTITY_TYPE_CLIENT: return "client";
-	case CEPH_ENTITY_TYPE_ADMIN: return "admin";
-	default: return "???";
-	}
-}
-
 /*
  * nicely render a sockaddr as a string.
  */
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index e56564f7e71..4e5764c7fbc 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -49,10 +49,8 @@ struct ceph_connection_operations {
 					int *skip);
 };
 
-extern const char *ceph_name_type_str(int t);
-
 /* use format string %s%d */
-#define ENTITY_NAME(n) ceph_name_type_str((n).type), le64_to_cpu((n).num)
+#define ENTITY_NAME(n) ceph_entity_type_name((n).type), le64_to_cpu((n).num)
 
 struct ceph_messenger {
 	struct ceph_entity_inst inst;    /* my name+address */
diff --git a/fs/ceph/msgr.h b/fs/ceph/msgr.h
index 6baa8e4f8e7..892a0298dfd 100644
--- a/fs/ceph/msgr.h
+++ b/fs/ceph/msgr.h
@@ -50,7 +50,6 @@ struct ceph_entity_name {
 #define CEPH_ENTITY_TYPE_MDS    0x02
 #define CEPH_ENTITY_TYPE_OSD    0x04
 #define CEPH_ENTITY_TYPE_CLIENT 0x08
-#define CEPH_ENTITY_TYPE_ADMIN  0x10
 #define CEPH_ENTITY_TYPE_AUTH   0x20
 
 #define CEPH_ENTITY_TYPE_ANY    0xFF
diff --git a/fs/ceph/rados.h b/fs/ceph/rados.h
index fd56451a871..8fcc023056c 100644
--- a/fs/ceph/rados.h
+++ b/fs/ceph/rados.h
@@ -101,8 +101,8 @@ struct ceph_pg_pool {
 	__le64 snap_seq;          /* seq for per-pool snapshot */
 	__le32 snap_epoch;        /* epoch of last snap */
 	__le32 num_snaps;
-	__le32 num_removed_snap_intervals;
-	__le64 uid;
+	__le32 num_removed_snap_intervals; /* if non-empty, NO per-pool snaps */
+	__le64 auid;               /* who owns the pg */
 } __attribute__ ((packed));
 
 /*
@@ -208,6 +208,7 @@ enum {
 	/* read */
 	CEPH_OSD_OP_GETXATTR  = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 1,
 	CEPH_OSD_OP_GETXATTRS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 2,
+	CEPH_OSD_OP_CMPXATTR  = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 3,
 
 	/* write */
 	CEPH_OSD_OP_SETXATTR  = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 1,
@@ -305,6 +306,22 @@ enum {
 #define EOLDSNAPC    ERESTART  /* ORDERSNAP flag set; writer has old snapc*/
 #define EBLACKLISTED ESHUTDOWN /* blacklisted */
 
+/* xattr comparison */
+enum {
+	CEPH_OSD_CMPXATTR_OP_NOP = 0,
+	CEPH_OSD_CMPXATTR_OP_EQ  = 1,
+	CEPH_OSD_CMPXATTR_OP_NE  = 2,
+	CEPH_OSD_CMPXATTR_OP_GT  = 3,
+	CEPH_OSD_CMPXATTR_OP_GTE = 4,
+	CEPH_OSD_CMPXATTR_OP_LT  = 5,
+	CEPH_OSD_CMPXATTR_OP_LTE = 6
+};
+
+enum {
+	CEPH_OSD_CMPXATTR_MODE_STRING = 1,
+	CEPH_OSD_CMPXATTR_MODE_U64    = 2
+};
+
 /*
  * an individual object operation.  each may be accompanied by some data
  * payload
@@ -321,6 +338,8 @@ struct ceph_osd_op {
 		struct {
 			__le32 name_len;
 			__le32 value_len;
+			__u8 cmp_op;       /* CEPH_OSD_CMPXATTR_OP_* */
+			__u8 cmp_mode;     /* CEPH_OSD_CMPXATTR_MODE_* */
 		} __attribute__ ((packed)) xattr;
 		struct {
 			__u8 class_len;

From aba558e28ac40a598542d995c09efa8439ee3ed4 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 12 May 2010 15:23:30 -0700
Subject: [PATCH 1821/3638] ceph: save peer feature bits in connection
 structure

These are used for adjusting behavior, such as conditionally encoding a
newer message format.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/messenger.c | 1 +
 fs/ceph/messenger.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index d18a544490f..50c5f24086f 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -1223,6 +1223,7 @@ static int process_connect(struct ceph_connection *con)
 		clear_bit(CONNECTING, &con->state);
 		con->peer_global_seq = le32_to_cpu(con->in_reply.global_seq);
 		con->connect_seq++;
+		con->peer_features = server_feat;
 		dout("process_connect got READY gseq %d cseq %d (%d)\n",
 		     con->peer_global_seq,
 		     le32_to_cpu(con->in_reply.connect_seq),
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index 4e5764c7fbc..889f81f093c 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -142,6 +142,7 @@ struct ceph_connection {
 	struct ceph_entity_addr peer_addr; /* peer address */
 	struct ceph_entity_name peer_name; /* peer name */
 	struct ceph_entity_addr peer_addr_for_me;
+	unsigned peer_features;
 	u32 connect_seq;      /* identify the most recent connection
 				 attempt for this connection, client */
 	u32 peer_global_seq;  /* peer's global seq for this connection */

From 85792d0dd6e7a7a18fba55c97e49871211b28fe0 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 13 May 2010 09:06:02 -0700
Subject: [PATCH 1822/3638] ceph: cope with out of order (unsafe after safe)
 mds reply

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 114bada97c1..40dd437a26a 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1871,6 +1871,12 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 		mutex_unlock(&mdsc->mutex);
 		goto out;
 	}
+	if (req->r_got_safe && !head->safe) {
+		pr_warning("got unsafe after safe on %llu from mds%d\n",
+			   tid, mds);
+		mutex_unlock(&mdsc->mutex);
+		goto out;
+	}
 
 	result = le32_to_cpu(head->result);
 

From 167c9e352deb7e25568c926c49c3eafad69cbe76 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 14 May 2010 10:02:57 -0700
Subject: [PATCH 1823/3638] ceph: use common helper for aborted dir request
 invalidation

We invalidate I_COMPLETE and dentry leases in two places: on aborted mds
request and on request replay.  Use common helper to avoid duplicate code.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/inode.c      | 17 ++---------------
 fs/ceph/mds_client.c | 39 +++++++++++++++++++++++----------------
 fs/ceph/mds_client.h |  2 ++
 3 files changed, 27 insertions(+), 31 deletions(-)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 1bcf98bd025..a81b8b662c7 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -941,21 +941,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
 
 	if (!rinfo->head->is_target && !rinfo->head->is_dentry) {
 		dout("fill_trace reply is empty!\n");
-		if (rinfo->head->result == 0 && req->r_locked_dir) {
-			struct ceph_inode_info *ci =
-				ceph_inode(req->r_locked_dir);
-			dout(" clearing %p complete (empty trace)\n",
-			     req->r_locked_dir);
-			spin_lock(&req->r_locked_dir->i_lock);
-			ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
-			ci->i_release_count++;
-			spin_unlock(&req->r_locked_dir->i_lock);
-
-			if (req->r_dentry)
-				ceph_invalidate_dentry_lease(req->r_dentry);
-			if (req->r_old_dentry)
-				ceph_invalidate_dentry_lease(req->r_old_dentry);
-		}
+		if (rinfo->head->result == 0 && req->r_locked_dir)
+			ceph_invalidate_dir_request(req);
 		return 0;
 	}
 
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 40dd437a26a..5c17ab44d02 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1794,22 +1794,8 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
 		mutex_unlock(&req->r_fill_mutex);
 
 		if (req->r_locked_dir &&
-		    (req->r_op & CEPH_MDS_OP_WRITE)) {
-			struct ceph_inode_info *ci =
-				ceph_inode(req->r_locked_dir);
-
-			dout("aborted, clearing I_COMPLETE on %p, leases\n",
-			     req->r_locked_dir);
-			spin_lock(&req->r_locked_dir->i_lock);
-			ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
-			ci->i_release_count++;
-			spin_unlock(&req->r_locked_dir->i_lock);
-
-			if (req->r_dentry)
-				ceph_invalidate_dentry_lease(req->r_dentry);
-			if (req->r_old_dentry)
-				ceph_invalidate_dentry_lease(req->r_old_dentry);
-		}
+		    (req->r_op & CEPH_MDS_OP_WRITE))
+			ceph_invalidate_dir_request(req);
 	} else {
 		err = req->r_err;
 	}
@@ -1820,6 +1806,27 @@ out:
 	return err;
 }
 
+/*
+ * Invalidate dir I_COMPLETE, dentry lease state on an aborted MDS
+ * namespace request.
+ */
+void ceph_invalidate_dir_request(struct ceph_mds_request *req)
+{
+	struct inode *inode = req->r_locked_dir;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+
+	dout("invalidate_dir_request %p (I_COMPLETE, lease(s))\n", inode);
+	spin_lock(&inode->i_lock);
+	ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
+	ci->i_release_count++;
+	spin_unlock(&inode->i_lock);
+
+	if (req->r_dentry)
+		ceph_invalidate_dentry_lease(req->r_dentry);
+	if (req->r_old_dentry)
+		ceph_invalidate_dentry_lease(req->r_old_dentry);
+}
+
 /*
  * Handle mds reply.
  *
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 141a265bda7..d9936c4f121 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -303,6 +303,8 @@ extern void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc,
 				    struct inode *inode,
 				    struct dentry *dn, int mask);
 
+extern void ceph_invalidate_dir_request(struct ceph_mds_request *req);
+
 extern struct ceph_mds_request *
 ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode);
 extern void ceph_mdsc_submit_request(struct ceph_mds_client *mdsc,

From cffe7b6d8cc029d13524acedf4917210dc0102ab Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 13 May 2010 22:07:29 +0200
Subject: [PATCH 1824/3638] ceph: Use kzalloc

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mon_client.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 7df2f8c157f..7062b889ab2 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -481,11 +481,10 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
 	struct ceph_mon_statfs *h;
 	int err;
 
-	req = kmalloc(sizeof(*req), GFP_NOFS);
+	req = kzalloc(sizeof(*req), GFP_NOFS);
 	if (!req)
 		return -ENOMEM;
 
-	memset(req, 0, sizeof(*req));
 	kref_init(&req->kref);
 	req->buf = buf;
 	init_completion(&req->completion);

From 366837706bae00abc2edd75add2579c1be18b2b8 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 14 May 2010 11:36:48 -0700
Subject: [PATCH 1825/3638] ceph: cleanup pool op strings

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/ceph_strings.c | 31 ++++++++++++-------------------
 1 file changed, 12 insertions(+), 19 deletions(-)

diff --git a/fs/ceph/ceph_strings.c b/fs/ceph/ceph_strings.c
index 78908301ff1..7503aee828c 100644
--- a/fs/ceph/ceph_strings.c
+++ b/fs/ceph/ceph_strings.c
@@ -175,23 +175,16 @@ const char *ceph_snap_op_name(int o)
 	return "???";
 }
 
-const char *ceph_pool_op_name(int op) {
-  switch (op) {
-  case POOL_OP_CREATE:
-    return "create pool";
-  case POOL_OP_DELETE:
-    return "delete pool";
-  case POOL_OP_AUID_CHANGE:
-    return "change auid";
-  case POOL_OP_CREATE_SNAP:
-    return "create snap";
-  case POOL_OP_DELETE_SNAP:
-    return "delete snap";
-  case POOL_OP_CREATE_UNMANAGED_SNAP:
-    return "create unmanaged snap";
-  case POOL_OP_DELETE_UNMANAGED_SNAP:
-    return "delete unmanaged snap";
-  default:
-    return "unknown";
-  }
+const char *ceph_pool_op_name(int op)
+{
+	switch (op) {
+	case POOL_OP_CREATE: return "create";
+	case POOL_OP_DELETE: return "delete";
+	case POOL_OP_AUID_CHANGE: return "auid change";
+	case POOL_OP_CREATE_SNAP: return "create snap";
+	case POOL_OP_DELETE_SNAP: return "delete snap";
+	case POOL_OP_CREATE_UNMANAGED_SNAP: return "create unmanaged snap";
+	case POOL_OP_DELETE_UNMANAGED_SNAP: return "delete unmanaged snap";
+	}
+	return "???";
 }

From 23804d91f112df09b832cd091b71af4dc2831aa8 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 14 May 2010 13:06:30 -0700
Subject: [PATCH 1826/3638] ceph: specify max_bytes on readdir replies

Specify max bytes in request to bound size of reply.  Add associated
mount option with default value of 512 KB.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/ceph_fs.h | 1 +
 fs/ceph/dir.c     | 2 ++
 fs/ceph/super.c   | 8 ++++++++
 fs/ceph/super.h   | 4 +++-
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h
index 715e39ce517..3b9eeed097b 100644
--- a/fs/ceph/ceph_fs.h
+++ b/fs/ceph/ceph_fs.h
@@ -361,6 +361,7 @@ union ceph_mds_request_args {
 	struct {
 		__le32 frag;                 /* which dir fragment */
 		__le32 max_entries;          /* how many dentries to grab */
+		__le32 max_bytes;
 	} __attribute__ ((packed)) readdir;
 	struct {
 		__le32 mode;
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index d3bb8132a1a..4fd30900eff 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -233,6 +233,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
 	u32 ftype;
 	struct ceph_mds_reply_info_parsed *rinfo;
 	const int max_entries = client->mount_args->max_readdir;
+	const int max_bytes = client->mount_args->max_readdir_bytes;
 
 	dout("readdir %p filp %p frag %u off %u\n", inode, filp, frag, off);
 	if (fi->at_end)
@@ -316,6 +317,7 @@ more:
 		req->r_readdir_offset = fi->next_offset;
 		req->r_args.readdir.frag = cpu_to_le32(frag);
 		req->r_args.readdir.max_entries = cpu_to_le32(max_entries);
+		req->r_args.readdir.max_bytes = cpu_to_le32(max_bytes);
 		req->r_num_caps = max_entries + 1;
 		err = ceph_mdsc_do_request(mdsc, NULL, req);
 		if (err < 0) {
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 7f5b20dc494..bac13898b94 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -190,6 +190,8 @@ static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
 			   args->cap_release_safety);
 	if (args->max_readdir != CEPH_MAX_READDIR_DEFAULT)
 		seq_printf(m, ",readdir_max_entries=%d", args->max_readdir);
+	if (args->max_readdir_bytes != CEPH_MAX_READDIR_BYTES_DEFAULT)
+		seq_printf(m, ",readdir_max_bytes=%d", args->max_readdir_bytes);
 	if (strcmp(args->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))
 		seq_printf(m, ",snapdirname=%s", args->snapdir_name);
 	if (args->name)
@@ -333,6 +335,7 @@ enum {
 	Opt_caps_wanted_delay_max,
 	Opt_cap_release_safety,
 	Opt_readdir_max_entries,
+	Opt_readdir_max_bytes,
 	Opt_congestion_kb,
 	Opt_last_int,
 	/* int args above */
@@ -365,6 +368,7 @@ static match_table_t arg_tokens = {
 	{Opt_caps_wanted_delay_max, "caps_wanted_delay_max=%d"},
 	{Opt_cap_release_safety, "cap_release_safety=%d"},
 	{Opt_readdir_max_entries, "readdir_max_entries=%d"},
+	{Opt_readdir_max_bytes, "readdir_max_bytes=%d"},
 	{Opt_congestion_kb, "write_congestion_kb=%d"},
 	/* int args above */
 	{Opt_snapdirname, "snapdirname=%s"},
@@ -415,6 +419,7 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options,
 	args->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL);
 	args->cap_release_safety = CEPH_CAP_RELEASE_SAFETY_DEFAULT;
 	args->max_readdir = CEPH_MAX_READDIR_DEFAULT;
+	args->max_readdir_bytes = CEPH_MAX_READDIR_BYTES_DEFAULT;
 	args->congestion_kb = default_congestion_kb();
 
 	/* ip1[:port1][,ip2[:port2]...]:/subdir/in/fs */
@@ -522,6 +527,9 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options,
 		case Opt_readdir_max_entries:
 			args->max_readdir = intval;
 			break;
+		case Opt_readdir_max_bytes:
+			args->max_readdir_bytes = intval;
+			break;
 		case Opt_congestion_kb:
 			args->congestion_kb = intval;
 			break;
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 395adc5fceb..3725c9ee9d0 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -66,7 +66,8 @@ struct ceph_mount_args {
 	int congestion_kb;    /* max writeback in flight */
 	int caps_wanted_delay_min, caps_wanted_delay_max;
 	int cap_release_safety;
-	int max_readdir;      /* max readdir size */
+	int max_readdir;       /* max readdir result (entires) */
+	int max_readdir_bytes; /* max readdir result (bytes) */
 	char *snapdir_name;   /* default ".snap" */
 	char *name;
 	char *secret;
@@ -81,6 +82,7 @@ struct ceph_mount_args {
 #define CEPH_OSD_IDLE_TTL_DEFAULT    60
 #define CEPH_MOUNT_RSIZE_DEFAULT    (512*1024) /* readahead */
 #define CEPH_MAX_READDIR_DEFAULT    1024
+#define CEPH_MAX_READDIR_BYTES_DEFAULT    (512*1024)
 
 #define CEPH_MSG_MAX_FRONT_LEN	(16*1024*1024)
 #define CEPH_MSG_MAX_DATA_LEN	(16*1024*1024)

From 34d23762d988b7dcb08390ac72a353df3d60193c Mon Sep 17 00:00:00 2001
From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Tue, 6 Apr 2010 14:33:58 -0700
Subject: [PATCH 1827/3638] ceph: all allocation functions should get gfp_mask

This is essential, as for the rados block device we'll need
to run in different contexts that would need flags that
are other than GFP_NOFS.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/caps.c       |  2 +-
 fs/ceph/file.c       | 10 +++++-----
 fs/ceph/mds_client.c | 11 ++++++-----
 fs/ceph/messenger.c  | 10 +++++-----
 fs/ceph/messenger.h  |  2 +-
 fs/ceph/mon_client.c | 15 ++++++++-------
 fs/ceph/msgpool.c    |  4 ++--
 fs/ceph/osd_client.c |  8 ++++----
 8 files changed, 32 insertions(+), 30 deletions(-)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 0e85d3c8079..0dd0b81e64f 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -938,7 +938,7 @@ static int send_cap_msg(struct ceph_mds_session *session,
 	     seq, issue_seq, mseq, follows, size, max_size,
 	     xattr_version, xattrs_buf ? (int)xattrs_buf->vec.iov_len : 0);
 
-	msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, sizeof(*fc));
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, sizeof(*fc), GFP_NOFS);
 	if (!msg)
 		return -ENOMEM;
 
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index b0426090e8c..0611ec3698a 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -317,16 +317,16 @@ void ceph_release_page_vector(struct page **pages, int num_pages)
 /*
  * allocate a vector new pages
  */
-static struct page **alloc_page_vector(int num_pages)
+struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags)
 {
 	struct page **pages;
 	int i;
 
-	pages = kmalloc(sizeof(*pages) * num_pages, GFP_NOFS);
+	pages = kmalloc(sizeof(*pages) * num_pages, flags);
 	if (!pages)
 		return ERR_PTR(-ENOMEM);
 	for (i = 0; i < num_pages; i++) {
-		pages[i] = __page_cache_alloc(GFP_NOFS);
+		pages[i] = __page_cache_alloc(flags);
 		if (pages[i] == NULL) {
 			ceph_release_page_vector(pages, i);
 			return ERR_PTR(-ENOMEM);
@@ -540,7 +540,7 @@ static ssize_t ceph_sync_read(struct file *file, char __user *data,
 		 * in sequence.
 		 */
 	} else {
-		pages = alloc_page_vector(num_pages);
+		pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
 	}
 	if (IS_ERR(pages))
 		return PTR_ERR(pages);
@@ -668,7 +668,7 @@ more:
 		truncate_inode_pages_range(inode->i_mapping, pos, 
 					   (pos+len) | (PAGE_CACHE_SIZE-1));
 	} else {
-		pages = alloc_page_vector(num_pages);
+		pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
 		if (IS_ERR(pages)) {
 			ret = PTR_ERR(pages);
 			goto out;
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 5c17ab44d02..1b786cf2c7a 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -665,7 +665,7 @@ static struct ceph_msg *create_session_msg(u32 op, u64 seq)
 	struct ceph_msg *msg;
 	struct ceph_mds_session_head *h;
 
-	msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h));
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h), GFP_NOFS);
 	if (!msg) {
 		pr_err("create_session_msg ENOMEM creating msg\n");
 		return NULL;
@@ -1089,7 +1089,8 @@ static int add_cap_releases(struct ceph_mds_client *mdsc,
 
 	while (session->s_num_cap_releases < session->s_nr_caps + extra) {
 		spin_unlock(&session->s_cap_lock);
-		msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPRELEASE, PAGE_CACHE_SIZE);
+		msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPRELEASE, PAGE_CACHE_SIZE,
+				   GFP_NOFS);
 		if (!msg)
 			goto out_unlocked;
 		dout("add_cap_releases %p msg %p now %d\n", session, msg,
@@ -1492,7 +1493,7 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc,
 	if (req->r_old_dentry_drop)
 		len += req->r_old_dentry->d_name.len;
 
-	msg = ceph_msg_new(CEPH_MSG_CLIENT_REQUEST, len);
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_REQUEST, len, GFP_NOFS);
 	if (!msg) {
 		msg = ERR_PTR(-ENOMEM);
 		goto out_free2;
@@ -2244,7 +2245,7 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc,
 		goto fail_nopagelist;
 	ceph_pagelist_init(pagelist);
 
-	reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0);
+	reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0, GFP_NOFS);
 	if (!reply)
 		goto fail_nomsg;
 
@@ -2535,7 +2536,7 @@ void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session,
 	dnamelen = dentry->d_name.len;
 	len += dnamelen;
 
-	msg = ceph_msg_new(CEPH_MSG_CLIENT_LEASE, len);
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_LEASE, len, GFP_NOFS);
 	if (!msg)
 		return;
 	lease = msg->front.iov_base;
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index 50c5f24086f..60b74839ebe 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -2070,11 +2070,11 @@ void ceph_con_keepalive(struct ceph_connection *con)
  * construct a new message with given type, size
  * the new msg has a ref count of 1.
  */
-struct ceph_msg *ceph_msg_new(int type, int front_len)
+struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags)
 {
 	struct ceph_msg *m;
 
-	m = kmalloc(sizeof(*m), GFP_NOFS);
+	m = kmalloc(sizeof(*m), flags);
 	if (m == NULL)
 		goto out;
 	kref_init(&m->kref);
@@ -2101,11 +2101,11 @@ struct ceph_msg *ceph_msg_new(int type, int front_len)
 	/* front */
 	if (front_len) {
 		if (front_len > PAGE_CACHE_SIZE) {
-			m->front.iov_base = __vmalloc(front_len, GFP_NOFS,
+			m->front.iov_base = __vmalloc(front_len, flags,
 						      PAGE_KERNEL);
 			m->front_is_vmalloc = true;
 		} else {
-			m->front.iov_base = kmalloc(front_len, GFP_NOFS);
+			m->front.iov_base = kmalloc(front_len, flags);
 		}
 		if (m->front.iov_base == NULL) {
 			pr_err("msg_new can't allocate %d bytes\n",
@@ -2180,7 +2180,7 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
 	}
 	if (!msg) {
 		*skip = 0;
-		msg = ceph_msg_new(type, front_len);
+		msg = ceph_msg_new(type, front_len, GFP_NOFS);
 		if (!msg) {
 			pr_err("unable to allocate msg type %d len %d\n",
 			       type, front_len);
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index 889f81f093c..00a9430b1ff 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -232,7 +232,7 @@ extern void ceph_con_keepalive(struct ceph_connection *con);
 extern struct ceph_connection *ceph_con_get(struct ceph_connection *con);
 extern void ceph_con_put(struct ceph_connection *con);
 
-extern struct ceph_msg *ceph_msg_new(int type, int front_len);
+extern struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags);
 extern void ceph_msg_kfree(struct ceph_msg *m);
 
 
diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 7062b889ab2..61cb11701f1 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -191,7 +191,7 @@ static void __send_subscribe(struct ceph_mon_client *monc)
 		struct ceph_mon_subscribe_item *i;
 		void *p, *end;
 
-		msg = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96);
+		msg = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, GFP_NOFS);
 		if (!msg)
 			return;
 
@@ -490,10 +490,10 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
 	init_completion(&req->completion);
 
 	err = -ENOMEM;
-	req->request = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h));
+	req->request = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), GFP_NOFS);
 	if (!req->request)
 		goto out;
-	req->reply = ceph_msg_new(CEPH_MSG_STATFS_REPLY, 1024);
+	req->reply = ceph_msg_new(CEPH_MSG_STATFS_REPLY, 1024, GFP_NOFS);
 	if (!req->reply)
 		goto out;
 
@@ -632,15 +632,16 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 	/* msg pools */
 	err = -ENOMEM;
 	monc->m_subscribe_ack = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE_ACK,
-				     sizeof(struct ceph_mon_subscribe_ack));
+				     sizeof(struct ceph_mon_subscribe_ack),
+				     GFP_NOFS);
 	if (!monc->m_subscribe_ack)
 		goto out_monmap;
 
-	monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096);
+	monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, GFP_NOFS);
 	if (!monc->m_auth_reply)
 		goto out_subscribe_ack;
 
-	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096);
+	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, GFP_NOFS);
 	monc->pending_auth = 0;
 	if (!monc->m_auth)
 		goto out_auth_reply;
@@ -815,7 +816,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
 	case CEPH_MSG_MON_MAP:
 	case CEPH_MSG_MDS_MAP:
 	case CEPH_MSG_OSD_MAP:
-		m = ceph_msg_new(type, front_len);
+		m = ceph_msg_new(type, front_len, GFP_NOFS);
 		break;
 	}
 
diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c
index 50fe5cc5de7..dd65a643813 100644
--- a/fs/ceph/msgpool.c
+++ b/fs/ceph/msgpool.c
@@ -12,7 +12,7 @@ static void *alloc_fn(gfp_t gfp_mask, void *arg)
 	struct ceph_msgpool *pool = arg;
 	void *p;
 
-	p = ceph_msg_new(0, pool->front_len);
+	p = ceph_msg_new(0, pool->front_len, gfp_mask);
 	if (!p)
 		pr_err("msgpool %s alloc failed\n", pool->name);
 	return p;
@@ -48,7 +48,7 @@ struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
 		WARN_ON(1);
 
 		/* try to alloc a fresh message */
-		return ceph_msg_new(0, front_len);
+		return ceph_msg_new(0, front_len, GFP_NOFS);
 	}
 
 	return mempool_alloc(pool->pool, GFP_NOFS);
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index c0aca732efd..16141e6e8b7 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -164,7 +164,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
 		msg = ceph_msgpool_get(&osdc->msgpool_op_reply, 0);
 	else
 		msg = ceph_msg_new(CEPH_MSG_OSD_OPREPLY,
-				   OSD_OPREPLY_FRONT_LEN);
+				   OSD_OPREPLY_FRONT_LEN, GFP_NOFS);
 	if (!msg) {
 		ceph_osdc_put_request(req);
 		return NULL;
@@ -178,7 +178,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
 	if (use_mempool)
 		msg = ceph_msgpool_get(&osdc->msgpool_op, 0);
 	else
-		msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size);
+		msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, GFP_NOFS);
 	if (!msg) {
 		ceph_osdc_put_request(req);
 		return NULL;
@@ -1395,7 +1395,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
 	if (front > req->r_reply->front.iov_len) {
 		pr_warning("get_reply front %d > preallocated %d\n",
 			   front, (int)req->r_reply->front.iov_len);
-		m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front);
+		m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, GFP_NOFS);
 		if (!m)
 			goto out;
 		ceph_msg_put(req->r_reply);
@@ -1438,7 +1438,7 @@ static struct ceph_msg *alloc_msg(struct ceph_connection *con,
 
 	switch (type) {
 	case CEPH_MSG_OSD_MAP:
-		return ceph_msg_new(type, front);
+		return ceph_msg_new(type, front, GFP_NOFS);
 	case CEPH_MSG_OSD_OPREPLY:
 		return get_reply(con, hdr, skip);
 	default:

From a5ebca4769f28ceade28ff59fcbffb8e184e599c Mon Sep 17 00:00:00 2001
From: Jonas Aaberg <jonas.aberg@stericsson.com>
Date: Tue, 18 May 2010 00:41:09 +0200
Subject: [PATCH 1828/3638] DMAENGINE: DMA40 support paused channel status

Support determining whether a channel is paused or
not using the status function.

Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/ste_dma40.c | 75 ++++++++++++++++++++++++++++++++++++-----
 1 file changed, 67 insertions(+), 8 deletions(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index e4295a27672..16a7d2b605e 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -659,7 +659,7 @@ static void d40_config_set_event(struct d40_chan *d40c, bool do_enable)
 	spin_unlock_irqrestore(&d40c->phy_chan->lock, flags);
 }
 
-static bool d40_chan_has_events(struct d40_chan *d40c)
+static u32 d40_chan_has_events(struct d40_chan *d40c)
 {
 	u32 val = 0;
 
@@ -674,7 +674,7 @@ static bool d40_chan_has_events(struct d40_chan *d40c)
 		val = readl(d40c->base->virtbase + D40_DREG_PCBASE +
 			    d40c->phy_chan->num * D40_DREG_PCDELTA +
 			    D40_CHAN_REG_SDLNK);
-	return (bool) val;
+	return val;
 }
 
 static void d40_config_enable_lidx(struct d40_chan *d40c)
@@ -1389,6 +1389,65 @@ static int d40_pause(struct dma_chan *chan)
 	return res;
 }
 
+static bool d40_is_paused(struct d40_chan *d40c)
+{
+	bool is_paused = false;
+	unsigned long flags;
+	void __iomem *active_reg;
+	u32 status;
+	u32 event;
+	int res;
+
+	spin_lock_irqsave(&d40c->lock, flags);
+
+	if (d40c->log_num == D40_PHY_CHAN) {
+		if (d40c->phy_chan->num % 2 == 0)
+			active_reg = d40c->base->virtbase + D40_DREG_ACTIVE;
+		else
+			active_reg = d40c->base->virtbase + D40_DREG_ACTIVO;
+
+		status = (readl(active_reg) &
+			  D40_CHAN_POS_MASK(d40c->phy_chan->num)) >>
+			D40_CHAN_POS(d40c->phy_chan->num);
+		if (status == D40_DMA_SUSPENDED || status == D40_DMA_STOP)
+			is_paused = true;
+
+		goto _exit;
+	}
+
+	res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
+	if (res != 0)
+		goto _exit;
+
+	if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
+	    d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM)
+		event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type);
+	else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM)
+		event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type);
+	else {
+		dev_err(&d40c->chan.dev->device,
+			"[%s] Unknown direction\n", __func__);
+		goto _exit;
+	}
+	status = d40_chan_has_events(d40c);
+	status = (status & D40_EVENTLINE_MASK(event)) >>
+		D40_EVENTLINE_POS(event);
+
+	if (status != D40_DMA_RUN)
+		is_paused = true;
+
+	/* Resume the other logical channels if any */
+	if (d40_chan_has_events(d40c))
+		res = d40_channel_execute_command(d40c,
+						  D40_DMA_RUN);
+
+_exit:
+	spin_unlock_irqrestore(&d40c->lock, flags);
+	return is_paused;
+
+}
+
+
 static bool d40_tx_is_linked(struct d40_chan *d40c)
 {
 	bool is_link;
@@ -1980,13 +2039,13 @@ static enum dma_status d40_tx_status(struct dma_chan *chan,
 	last_complete = d40c->completed;
 	last_used = chan->cookie;
 
-	ret = dma_async_is_complete(cookie, last_complete, last_used);
+	if (d40_is_paused(d40c))
+		ret = DMA_PAUSED;
+	else
+		ret = dma_async_is_complete(cookie, last_complete, last_used);
 
-	if (txstate) {
-		txstate->last = last_complete;
-		txstate->used = last_used;
-		txstate->residue = stedma40_residue(chan);
-	}
+	dma_set_tx_state(txstate, last_complete, last_used,
+			 stedma40_residue(chan));
 
 	return ret;
 }

From 4aed79b2818e7330b5d00143e4c20bc6555df91f Mon Sep 17 00:00:00 2001
From: Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com>
Date: Tue, 18 May 2010 00:41:21 +0200
Subject: [PATCH 1829/3638] DMAENGINE: DMA40 fix for allocation of logical
 channel 0

Fix for allocation failure of logical channel when event line
happens to be number 0.

Signed-off-by: Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/ste_dma40.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 16a7d2b605e..81fec95312b 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1039,11 +1039,11 @@ static int d40_validate_conf(struct d40_chan *d40c,
 }
 
 static bool d40_alloc_mask_set(struct d40_phy_res *phy, bool is_src,
-			       int log_event_line)
+			       int log_event_line, bool is_log)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&phy->lock, flags);
-	if (!log_event_line) {
+	if (!is_log) {
 		/* Physical interrupts are masked per physical full channel */
 		if (phy->allocated_src == D40_ALLOC_FREE &&
 		    phy->allocated_dst == D40_ALLOC_FREE) {
@@ -1161,15 +1161,16 @@ static int d40_allocate_channel(struct d40_chan *d40c)
 			/* Find physical half channel */
 			for (i = 0; i < d40c->base->num_phy_chans; i++) {
 
-				if (d40_alloc_mask_set(&phys[i], is_src, 0))
+				if (d40_alloc_mask_set(&phys[i], is_src,
+						       0, is_log))
 					goto found_phy;
 			}
 		} else
 			for (j = 0; j < d40c->base->num_phy_chans; j += 8) {
 				int phy_num = j  + event_group * 2;
 				for (i = phy_num; i < phy_num + 2; i++) {
-					if (d40_alloc_mask_set(&phys[i],
-							       is_src, 0))
+					if (d40_alloc_mask_set(&phys[i], is_src,
+							       0, is_log))
 						goto found_phy;
 				}
 			}
@@ -1193,13 +1194,13 @@ found_phy:
 		if (is_src) {
 			for (i = phy_num; i < phy_num + 2; i++) {
 				if (d40_alloc_mask_set(&phys[i], is_src,
-						       event_line))
+						       event_line, is_log))
 					goto found_log;
 			}
 		} else {
 			for (i = phy_num + 1; i >= phy_num; i--) {
 				if (d40_alloc_mask_set(&phys[i], is_src,
-						       event_line))
+						       event_line, is_log))
 					goto found_log;
 			}
 		}

From 8c484ee4910b36c9ac273ad1150261c6ebfc1ef7 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Thu, 11 Mar 2010 16:47:58 +0100
Subject: [PATCH 1830/3638] drbd: use proc_create_data with explicit NULL
 argument

To document that we know about deprecation of proc_create,
even though we are not affected, as we don't use the ->data member,
open code proc_create_data(..., NULL);

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 93d1f9b469d..db7a07a9a2c 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -3129,7 +3129,7 @@ int __init drbd_init(void)
 	if (err)
 		goto Enomem;
 
-	drbd_proc = proc_create("drbd", S_IFREG | S_IRUGO , NULL, &drbd_proc_fops);
+	drbd_proc = proc_create_data("drbd", S_IFREG | S_IRUGO , NULL, &drbd_proc_fops, NULL);
 	if (!drbd_proc)	{
 		printk(KERN_ERR "drbd: unable to register proc file\n");
 		goto Enomem;

From e4f925e12ea5daaa9baf2dd5af9c4951721dae95 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 17 Mar 2010 14:18:41 +0100
Subject: [PATCH 1831/3638] drbd: Do not upgrade state to Outdated if already
 Inconsistent [Bugz 277]

There was a race condition:
  In a situation with a SyncSource+Primary and a SyncTarget+Secondary node,
  and a resync dependency to some other device. After both nodes decided
  to do the resync, the other device finishes its resync process.
  At that time SyncSource already sent the P_SYNC_UUID packet, and
  already updated its peer disk state to Inconsistent.
  The SyncTarget node waits for the P_SYNC_UUID and sends a state packet
  to report the resync dependency change. That packet still carries
  a disk state of Outdated.

Impact:
  If application writes come in, during that time on the Primary node,
  those do not get replicated, and the out-of-sync counter gets increased.
  => The completion of resync is not detected on the primary node.
  => stalled.
  Those blocks get resync'ed with the next resync, since the are get
  marked as out-of-sync in the bitmap.

In order to fix this, we filter out that wrong state change in the
sanitize_state() function.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index db7a07a9a2c..8f84a9f58c9 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -840,7 +840,7 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state
 			break;
 		case C_WF_BITMAP_S:
 		case C_PAUSED_SYNC_S:
-			ns.pdsk = D_OUTDATED;
+			ns.pdsk = os.pdsk > D_OUTDATED ? D_OUTDATED : os.pdsk;
 			break;
 		case C_SYNC_SOURCE:
 			ns.pdsk = D_INCONSISTENT;

From e0f83012dc510b0be92ee2d59227a573a36777b8 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Thu, 1 Apr 2010 15:13:19 +0200
Subject: [PATCH 1832/3638] drbd: fix regression: attach while connected failed

commit e4f925e12ea5daaa9baf2dd5af9c4951721dae95
Author: Philipp Reisner <philipp.reisner@linbit.com>
Date:   Wed Mar 17 14:18:41 2010 +0100

    drbd: Do not upgrade state to Outdated if already Inconsistent

prevented the necessary state transition for attaching while connected
(Diskless -> Consistent respectively Outdated).
This is the fix for the fix.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_main.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 8f84a9f58c9..b1ce5dc7c60 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -840,7 +840,12 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state
 			break;
 		case C_WF_BITMAP_S:
 		case C_PAUSED_SYNC_S:
-			ns.pdsk = os.pdsk > D_OUTDATED ? D_OUTDATED : os.pdsk;
+			/* remap any consistent state to D_OUTDATED,
+			 * but disallow "upgrade" of not even consistent states.
+			 */
+			ns.pdsk =
+				(D_DISKLESS < os.pdsk && os.pdsk < D_OUTDATED)
+				? os.pdsk : D_OUTDATED;
 			break;
 		case C_SYNC_SOURCE:
 			ns.pdsk = D_INCONSISTENT;

From 8d1894ebe441093cfd967affcbc56b764960575e Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Thu, 1 Apr 2010 16:55:18 +0200
Subject: [PATCH 1833/3638] drbd: remove bogus ASSERT

block_id may be ID_SYNCER,
as well as checksum based resync request magic, or online verify magic.

Let's just drop that ASSERT.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_receiver.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index c786023001d..93106fb92be 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -4233,7 +4233,6 @@ static int got_NegRSDReply(struct drbd_conf *mdev, struct p_header *h)
 
 	sector = be64_to_cpu(p->sector);
 	size = be32_to_cpu(p->blksize);
-	D_ASSERT(p->block_id == ID_SYNCER);
 
 	update_peer_seq(mdev, be32_to_cpu(p->seq_num));
 

From c3470cde57ea34d9b4bd34891ec040e46b9fb3bf Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Thu, 1 Apr 2010 16:57:19 +0200
Subject: [PATCH 1834/3638] drbd: fix potential protocol error

Don't forget to drain the digest in case we cannot satisfy a
checksum based resync or online-verify request.

It would additionally cause a protocoll error,
dropping the connection.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_receiver.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 93106fb92be..c7285e16b66 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1331,6 +1331,9 @@ static int drbd_drain_block(struct drbd_conf *mdev, int data_size)
 	int rr, rv = 1;
 	void *data;
 
+	if (!data_size)
+		return TRUE;
+
 	page = drbd_pp_alloc(mdev, 1);
 
 	data = kmap(page);
@@ -1946,7 +1949,7 @@ static int receive_DataRequest(struct drbd_conf *mdev, struct p_header *h)
 			    "no local data.\n");
 		drbd_send_ack_rp(mdev, h->command == P_DATA_REQUEST ? P_NEG_DREPLY :
 				 P_NEG_RS_DREPLY , p);
-		return TRUE;
+		return drbd_drain_block(mdev, h->length - brps);
 	}
 
 	/* GFP_NOIO, because we must not cause arbitrary write-out: in a DRBD

From 8d4ce82b3ccd755c8ba401469ced5286b1e02284 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Thu, 1 Apr 2010 16:59:32 +0200
Subject: [PATCH 1835/3638] drbd: don't start a resync without access to
 up-to-date Data

In case both nodes are "inconsistent", invalidate would
have started a resync anyways, without a chance to ever
succeed, just filling the logs with warning messages.

Simply disallow that state change,
re-using the SS_NO_UP_TO_DATE_DISK return value.

This also changes the corresponding error string to
"Need access to UpToDate Data" -- I found the
"Refusing to be Primary without at least one UpToDate disk"
answer misleading in some situations anyways.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_main.c    | 3 +++
 drivers/block/drbd/drbd_strings.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index b1ce5dc7c60..e181e405e24 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -684,6 +684,9 @@ static int is_valid_state(struct drbd_conf *mdev, union drbd_state ns)
 	else if (ns.conn > C_CONNECTED && ns.pdsk < D_INCONSISTENT)
 		rv = SS_NO_REMOTE_DISK;
 
+	else if (ns.conn > C_CONNECTED && ns.disk < D_UP_TO_DATE && ns.pdsk < D_UP_TO_DATE)
+		rv = SS_NO_UP_TO_DATE_DISK;
+
 	else if ((ns.conn == C_CONNECTED ||
 		  ns.conn == C_WF_BITMAP_S ||
 		  ns.conn == C_SYNC_SOURCE ||
diff --git a/drivers/block/drbd/drbd_strings.c b/drivers/block/drbd/drbd_strings.c
index 76863e3f05b..85179e1fb50 100644
--- a/drivers/block/drbd/drbd_strings.c
+++ b/drivers/block/drbd/drbd_strings.c
@@ -70,7 +70,7 @@ static const char *drbd_disk_s_names[] = {
 
 static const char *drbd_state_sw_errors[] = {
 	[-SS_TWO_PRIMARIES] = "Multiple primaries not allowed by config",
-	[-SS_NO_UP_TO_DATE_DISK] = "Refusing to be Primary without at least one UpToDate disk",
+	[-SS_NO_UP_TO_DATE_DISK] = "Need access to UpToDate data",
 	[-SS_NO_LOCAL_DISK] = "Can not resync without local disk",
 	[-SS_NO_REMOTE_DISK] = "Can not resync without remote disk",
 	[-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected",

From c3fe30b0e7cd67e0207097f5f39ce9626644879e Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Thu, 1 Apr 2010 09:57:40 +0200
Subject: [PATCH 1836/3638] drbd: cleanup: This code path to trigger a resync
 is no longer needed

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_receiver.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index c7285e16b66..c3504ddd59c 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2853,7 +2853,6 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 	unsigned int max_seg_s;
 	sector_t p_size, p_usize, my_usize;
 	int ldsc = 0; /* local disk size changed */
-	enum drbd_conns nconn;
 
 	ERR_IF(h->length != (sizeof(*p)-sizeof(*h))) return FALSE;
 	if (drbd_recv(mdev, h->payload, h->length) != h->length)
@@ -2920,22 +2919,6 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 		drbd_set_my_capacity(mdev, p_size);
 	}
 
-	if (mdev->p_uuid && mdev->state.conn <= C_CONNECTED && get_ldev(mdev)) {
-		nconn = drbd_sync_handshake(mdev,
-				mdev->state.peer, mdev->state.pdsk);
-		put_ldev(mdev);
-
-		if (nconn == C_MASK) {
-			drbd_force_state(mdev, NS(conn, C_DISCONNECTING));
-			return FALSE;
-		}
-
-		if (drbd_request_state(mdev, NS(conn, nconn)) < SS_SUCCESS) {
-			drbd_force_state(mdev, NS(conn, C_DISCONNECTING));
-			return FALSE;
-		}
-	}
-
 	if (get_ldev(mdev)) {
 		if (mdev->ldev->known_size != drbd_get_capacity(mdev->ldev->backing_bdev)) {
 			mdev->ldev->known_size = drbd_get_capacity(mdev->ldev->backing_bdev);

From 6666032ade5a758aa05380ab92f416ab8ef25005 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 6 Apr 2010 12:15:04 +0200
Subject: [PATCH 1837/3638] drbd: check for corrupt or malicous sector
 addresses when receiving data

Even if it should never happen if the peer does behave, we need to
double check, and not even attempt access beyond end of device.
It usually would be caught by lower layers, resulting in "IO error",
but may also end up in the internal meta data area.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_receiver.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index c3504ddd59c..3a36bc814e7 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1262,6 +1262,7 @@ static int receive_Barrier(struct drbd_conf *mdev, struct p_header *h)
 static struct drbd_epoch_entry *
 read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __must_hold(local)
 {
+	const sector_t capacity = drbd_get_capacity(mdev->this_bdev);
 	struct drbd_epoch_entry *e;
 	struct bio_vec *bvec;
 	struct page *page;
@@ -1287,6 +1288,15 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __
 	ERR_IF(data_size &  0x1ff) return NULL;
 	ERR_IF(data_size >  DRBD_MAX_SEGMENT_SIZE) return NULL;
 
+	/* even though we trust out peer,
+	 * we sometimes have to double check. */
+	if (sector + (data_size>>9) > capacity) {
+		dev_err(DEV, "capacity: %llus < sector: %llus + size: %u\n",
+			(unsigned long long)capacity,
+			(unsigned long long)sector, data_size);
+		return NULL;
+	}
+
 	/* GFP_NOIO, because we must not cause arbitrary write-out: in a DRBD
 	 * "criss-cross" setup, that might cause write-out on some other DRBD,
 	 * which in turn might block on the other node at this very place.  */

From 979f5c7f1f6c8a532b943defb790d43b999934eb Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 6 Apr 2010 14:15:06 +0200
Subject: [PATCH 1838/3638] drbd: fail_requests_early: remove incorrect and
 unnecessary optimization

The condition does not fit the commend (I may well be Primary,
even if I lost the disk earlier and now the connection).

And this is catched below anyways, where it also gets logged.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_req.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index de81ab7b462..d8d9bbfca3b 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -962,11 +962,6 @@ fail_and_free_req:
  */
 static int drbd_fail_request_early(struct drbd_conf *mdev, int is_write)
 {
-	/* Unconfigured */
-	if (mdev->state.conn == C_DISCONNECTING &&
-	    mdev->state.disk == D_DISKLESS)
-		return 1;
-
 	if (mdev->state.role != R_PRIMARY &&
 		(!allow_oos || is_write)) {
 		if (__ratelimit(&drbd_ratelimit_state)) {

From 3a11a4878939e0e3c355bf3f52ef642a4cb6ba84 Mon Sep 17 00:00:00 2001
From: Adam Gandelman <adam.gandelman@linbit.com>
Date: Thu, 8 Apr 2010 16:48:23 -0700
Subject: [PATCH 1839/3638] drbd: New handler: initial-split-brain

Some wish to be notified of all instances of split brain, not just those that
go unresolved.  The initial-split-brain handler is called to notify someone
upon  detection of all split brain conditions even if auto-recovery policies
are configured.

Signed-off-by: Adam Gandelman <adam.gandelman@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_receiver.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 3a36bc814e7..6876041fc3d 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2487,6 +2487,9 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_conf *mdev, enum drbd_rol
 		     hg > 0 ? "source" : "target");
 	}
 
+	if (abs(hg) == 100)
+		drbd_khelper(mdev, "initial-split-brain");
+
 	if (hg == 100 || (hg == -100 && mdev->net_conf->always_asbp)) {
 		int pcount = (mdev->state.role == R_PRIMARY)
 			   + (peer_role == R_PRIMARY);
@@ -2532,7 +2535,7 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_conf *mdev, enum drbd_rol
 		 * after an attempted attach on a diskless node.
 		 * We just refuse to attach -- well, we drop the "connection"
 		 * to that disk, in a way... */
-		dev_alert(DEV, "Split-Brain detected, dropping connection!\n");
+		dev_alert(DEV, "Split-Brain detected but unresolved, dropping connection!\n");
 		drbd_khelper(mdev, "split-brain");
 		return C_MASK;
 	}

From d845030f21859dd11bcecc7e1b8575fb845eb425 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 24 Mar 2010 15:51:26 +0100
Subject: [PATCH 1840/3638] drbd: made determin_dev_size's parameter an flag
 enum

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h | 6 +++++-
 drivers/block/drbd/drbd_nl.c  | 6 +++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index d6f1ae342b1..f5c56f4fd2a 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1382,8 +1382,12 @@ extern void drbd_suspend_io(struct drbd_conf *mdev);
 extern void drbd_resume_io(struct drbd_conf *mdev);
 extern char *ppsize(char *buf, unsigned long long size);
 extern sector_t drbd_new_dev_size(struct drbd_conf *, struct drbd_backing_dev *, int);
+enum dds_flags {
+	DDSF_FORCED    = 1,
+	DDSF_NO_RESYNC = 2, /* Do not run a resync for the new space */
+};
 enum determine_dev_size { dev_size_error = -1, unchanged = 0, shrunk = 1, grew = 2 };
-extern enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *, int force) __must_hold(local);
+extern enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *, enum dds_flags) __must_hold(local);
 extern void resync_after_online_grow(struct drbd_conf *);
 extern void drbd_setup_queue_param(struct drbd_conf *mdev, unsigned int) __must_hold(local);
 extern int drbd_set_role(struct drbd_conf *mdev, enum drbd_role new_role,
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 6429d2b19e0..97abbc2acc5 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -510,7 +510,7 @@ void drbd_resume_io(struct drbd_conf *mdev)
  * Returns 0 on success, negative return values indicate errors.
  * You should call drbd_md_sync() after calling this function.
  */
-enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, int force) __must_hold(local)
+enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, enum dds_flags flags) __must_hold(local)
 {
 	sector_t prev_first_sect, prev_size; /* previous meta location */
 	sector_t la_size;
@@ -541,7 +541,7 @@ enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, int force
 	/* TODO: should only be some assert here, not (re)init... */
 	drbd_md_set_sector_offsets(mdev, mdev->ldev);
 
-	size = drbd_new_dev_size(mdev, mdev->ldev, force);
+	size = drbd_new_dev_size(mdev, mdev->ldev, flags & DDSF_FORCED);
 
 	if (drbd_get_capacity(mdev->this_bdev) != size ||
 	    drbd_bm_capacity(mdev) != size) {
@@ -1508,7 +1508,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 	}
 
 	mdev->ldev->dc.disk_size = (sector_t)rs.resize_size;
-	dd = drbd_determin_dev_size(mdev, rs.resize_force);
+	dd = drbd_determin_dev_size(mdev, rs.resize_force ? DDSF_FORCED : 0);
 	drbd_md_sync(mdev);
 	put_ldev(mdev);
 	if (dd == dev_size_error) {

From 02d9a94bbb0d4e0fec8db6735bdc4ccfaac8f0ce Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 24 Mar 2010 16:23:03 +0100
Subject: [PATCH 1841/3638] drbd: Implemented the set_new_bits parameter for
 drbd_bm_resize()

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_bitmap.c | 10 +++++++---
 drivers/block/drbd/drbd_int.h    |  2 +-
 drivers/block/drbd/drbd_main.c   |  2 +-
 drivers/block/drbd/drbd_nl.c     |  2 +-
 4 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 3390716898d..695fb64cba0 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -441,7 +441,7 @@ static void bm_memset(struct drbd_bitmap *b, size_t offset, int c, size_t len)
  * In case this is actually a resize, we copy the old bitmap into the new one.
  * Otherwise, the bitmap is initialized to all bits set.
  */
-int drbd_bm_resize(struct drbd_conf *mdev, sector_t capacity)
+int drbd_bm_resize(struct drbd_conf *mdev, sector_t capacity, int set_new_bits)
 {
 	struct drbd_bitmap *b = mdev->bitmap;
 	unsigned long bits, words, owords, obits, *p_addr, *bm;
@@ -526,8 +526,12 @@ int drbd_bm_resize(struct drbd_conf *mdev, sector_t capacity)
 	b->bm_dev_capacity = capacity;
 
 	if (growing) {
-		bm_memset(b, owords, 0xff, words-owords);
-		b->bm_set += bits - obits;
+		if (set_new_bits) {
+			bm_memset(b, owords, 0xff, words-owords);
+			b->bm_set += bits - obits;
+		} else
+			bm_memset(b, owords, 0x00, words-owords);
+
 	}
 
 	if (want < have) {
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index f5c56f4fd2a..37a25a6084d 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1311,7 +1311,7 @@ struct bm_extent {
 #define APP_R_HSIZE 15
 
 extern int  drbd_bm_init(struct drbd_conf *mdev);
-extern int  drbd_bm_resize(struct drbd_conf *mdev, sector_t sectors);
+extern int  drbd_bm_resize(struct drbd_conf *mdev, sector_t sectors, int set_new_bits);
 extern void drbd_bm_cleanup(struct drbd_conf *mdev);
 extern void drbd_bm_set_all(struct drbd_conf *mdev);
 extern void drbd_bm_clear_all(struct drbd_conf *mdev);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index e181e405e24..65c2a65d3d6 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2688,7 +2688,7 @@ void drbd_mdev_cleanup(struct drbd_conf *mdev)
 	drbd_set_my_capacity(mdev, 0);
 	if (mdev->bitmap) {
 		/* maybe never allocated. */
-		drbd_bm_resize(mdev, 0);
+		drbd_bm_resize(mdev, 0, 1);
 		drbd_bm_cleanup(mdev);
 	}
 
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 97abbc2acc5..360e506426b 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -546,7 +546,7 @@ enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, enum dds_
 	if (drbd_get_capacity(mdev->this_bdev) != size ||
 	    drbd_bm_capacity(mdev) != size) {
 		int err;
-		err = drbd_bm_resize(mdev, size);
+		err = drbd_bm_resize(mdev, size, !(flags & DDSF_NO_RESYNC));
 		if (unlikely(err)) {
 			/* currently there is only one error: ENOMEM! */
 			size = drbd_bm_capacity(mdev)>>1;

From e89b591c3aba0af87f5248b15f56ce7a4f439c16 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 24 Mar 2010 17:11:33 +0100
Subject: [PATCH 1842/3638] drbd: Implemented flags for the resize packet

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h      | 14 ++++++++------
 drivers/block/drbd/drbd_main.c     |  8 ++++----
 drivers/block/drbd/drbd_nl.c       |  2 +-
 drivers/block/drbd/drbd_receiver.c | 19 ++++++++++++-------
 4 files changed, 25 insertions(+), 18 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 37a25a6084d..e0913248398 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -481,7 +481,8 @@ struct p_sizes {
 	u64	    u_size;  /* user requested size */
 	u64	    c_size;  /* current exported size */
 	u32	    max_segment_size;  /* Maximal size of a BIO */
-	u32	    queue_order_type;
+	u16	    queue_order_type;  /* not yet implemented in DRBD*/
+	u16	    dds_flags; /* use enum dds_flags here. */
 } __packed;
 
 struct p_state {
@@ -1081,6 +1082,11 @@ enum chg_state_flags {
 	CS_ORDERED      = CS_WAIT_COMPLETE + CS_SERIALIZE,
 };
 
+enum dds_flags {
+	DDSF_FORCED    = 1,
+	DDSF_NO_RESYNC = 2, /* Do not run a resync for the new space */
+};
+
 extern void drbd_init_set_defaults(struct drbd_conf *mdev);
 extern int drbd_change_state(struct drbd_conf *mdev, enum chg_state_flags f,
 			union drbd_state mask, union drbd_state val);
@@ -1113,7 +1119,7 @@ extern int drbd_send_protocol(struct drbd_conf *mdev);
 extern int drbd_send_uuids(struct drbd_conf *mdev);
 extern int drbd_send_uuids_skip_initial_sync(struct drbd_conf *mdev);
 extern int drbd_send_sync_uuid(struct drbd_conf *mdev, u64 val);
-extern int drbd_send_sizes(struct drbd_conf *mdev, int trigger_reply);
+extern int drbd_send_sizes(struct drbd_conf *mdev, int trigger_reply, enum dds_flags flags);
 extern int _drbd_send_state(struct drbd_conf *mdev);
 extern int drbd_send_state(struct drbd_conf *mdev);
 extern int _drbd_send_cmd(struct drbd_conf *mdev, struct socket *sock,
@@ -1382,10 +1388,6 @@ extern void drbd_suspend_io(struct drbd_conf *mdev);
 extern void drbd_resume_io(struct drbd_conf *mdev);
 extern char *ppsize(char *buf, unsigned long long size);
 extern sector_t drbd_new_dev_size(struct drbd_conf *, struct drbd_backing_dev *, int);
-enum dds_flags {
-	DDSF_FORCED    = 1,
-	DDSF_NO_RESYNC = 2, /* Do not run a resync for the new space */
-};
 enum determine_dev_size { dev_size_error = -1, unchanged = 0, shrunk = 1, grew = 2 };
 extern enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *, enum dds_flags) __must_hold(local);
 extern void resync_after_online_grow(struct drbd_conf *);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 65c2a65d3d6..a478dad82da 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1240,7 +1240,7 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 	    os.disk == D_ATTACHING && ns.disk == D_NEGOTIATING) {
 		kfree(mdev->p_uuid); /* We expect to receive up-to-date UUIDs soon. */
 		mdev->p_uuid = NULL; /* ...to not use the old ones in the mean time */
-		drbd_send_sizes(mdev, 0);  /* to start sync... */
+		drbd_send_sizes(mdev, 0, 0);  /* to start sync... */
 		drbd_send_uuids(mdev);
 		drbd_send_state(mdev);
 	}
@@ -1763,7 +1763,7 @@ int drbd_send_sync_uuid(struct drbd_conf *mdev, u64 val)
 			     (struct p_header *)&p, sizeof(p));
 }
 
-int drbd_send_sizes(struct drbd_conf *mdev, int trigger_reply)
+int drbd_send_sizes(struct drbd_conf *mdev, int trigger_reply, enum dds_flags flags)
 {
 	struct p_sizes p;
 	sector_t d_size, u_size;
@@ -1775,7 +1775,6 @@ int drbd_send_sizes(struct drbd_conf *mdev, int trigger_reply)
 		d_size = drbd_get_max_capacity(mdev->ldev);
 		u_size = mdev->ldev->dc.disk_size;
 		q_order_type = drbd_queue_order_type(mdev);
-		p.queue_order_type = cpu_to_be32(drbd_queue_order_type(mdev));
 		put_ldev(mdev);
 	} else {
 		d_size = 0;
@@ -1787,7 +1786,8 @@ int drbd_send_sizes(struct drbd_conf *mdev, int trigger_reply)
 	p.u_size = cpu_to_be64(u_size);
 	p.c_size = cpu_to_be64(trigger_reply ? 0 : drbd_get_capacity(mdev->this_bdev));
 	p.max_segment_size = cpu_to_be32(queue_max_segment_size(mdev->rq_queue));
-	p.queue_order_type = cpu_to_be32(q_order_type);
+	p.queue_order_type = cpu_to_be16(q_order_type);
+	p.dds_flags = cpu_to_be16(flags);
 
 	ok = drbd_send_cmd(mdev, USE_DATA_SOCKET, P_SIZES,
 			   (struct p_header *)&p, sizeof(p));
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 360e506426b..6f7933376a1 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1521,7 +1521,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 			set_bit(RESIZE_PENDING, &mdev->flags);
 
 		drbd_send_uuids(mdev);
-		drbd_send_sizes(mdev, 1);
+		drbd_send_sizes(mdev, 1, 0);
 	}
 
  fail:
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 6876041fc3d..11b1bafde28 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -902,7 +902,7 @@ retry:
 	if (!drbd_send_protocol(mdev))
 		return -1;
 	drbd_send_sync_param(mdev, &mdev->sync_conf);
-	drbd_send_sizes(mdev, 0);
+	drbd_send_sizes(mdev, 0, 0);
 	drbd_send_uuids(mdev);
 	drbd_send_state(mdev);
 	clear_bit(USE_DEGR_WFC_T, &mdev->flags);
@@ -2866,6 +2866,7 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 	unsigned int max_seg_s;
 	sector_t p_size, p_usize, my_usize;
 	int ldsc = 0; /* local disk size changed */
+	enum dds_flags ddsf;
 
 	ERR_IF(h->length != (sizeof(*p)-sizeof(*h))) return FALSE;
 	if (drbd_recv(mdev, h->payload, h->length) != h->length)
@@ -2921,8 +2922,9 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 	}
 #undef min_not_zero
 
+	ddsf = be16_to_cpu(p->dds_flags);
 	if (get_ldev(mdev)) {
-	  dd = drbd_determin_dev_size(mdev, 0);
+		dd = drbd_determin_dev_size(mdev, ddsf);
 		put_ldev(mdev);
 		if (dd == dev_size_error)
 			return FALSE;
@@ -2942,7 +2944,7 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 		if (max_seg_s != queue_max_segment_size(mdev->rq_queue))
 			drbd_setup_queue_param(mdev, max_seg_s);
 
-		drbd_setup_order_type(mdev, be32_to_cpu(p->queue_order_type));
+		drbd_setup_order_type(mdev, be16_to_cpu(p->queue_order_type));
 		put_ldev(mdev);
 	}
 
@@ -2951,14 +2953,17 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 		    drbd_get_capacity(mdev->this_bdev) || ldsc) {
 			/* we have different sizes, probably peer
 			 * needs to know my new size... */
-			drbd_send_sizes(mdev, 0);
+			drbd_send_sizes(mdev, 0, ddsf);
 		}
 		if (test_and_clear_bit(RESIZE_PENDING, &mdev->flags) ||
 		    (dd == grew && mdev->state.conn == C_CONNECTED)) {
 			if (mdev->state.pdsk >= D_INCONSISTENT &&
-			    mdev->state.disk >= D_INCONSISTENT)
-				resync_after_online_grow(mdev);
-			else
+			    mdev->state.disk >= D_INCONSISTENT) {
+				if (ddsf & DDSF_NO_RESYNC)
+					dev_info(DEV, "Resync of new storage suppressed with --assume-clean\n");
+				else
+					resync_after_online_grow(mdev);
+			} else
 				set_bit(RESYNC_AFTER_NEG, &mdev->flags);
 		}
 	}

From fd76438c2421324fa2fb9303e760ec5332ff0b58 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Thu, 1 Apr 2010 09:57:40 +0200
Subject: [PATCH 1843/3638] drbd: Make sure to resync all of the new storage
 upon online resize

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_bitmap.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 695fb64cba0..178cf1642b2 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -84,6 +84,9 @@ struct drbd_bitmap {
 #define BM_MD_IO_ERROR  1
 #define BM_P_VMALLOCED  2
 
+int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
+			       unsigned long e, int val, const enum km_type km);
+
 static int bm_is_locked(struct drbd_bitmap *b)
 {
 	return test_bit(BM_LOCKED, &b->bm_flags);
@@ -529,6 +532,9 @@ int drbd_bm_resize(struct drbd_conf *mdev, sector_t capacity, int set_new_bits)
 		if (set_new_bits) {
 			bm_memset(b, owords, 0xff, words-owords);
 			b->bm_set += bits - obits;
+			__bm_change_bits_to(mdev, obits,
+					    ALIGN(obits, BITS_PER_LONG),
+					    1, KM_IRQ1);
 		} else
 			bm_memset(b, owords, 0x00, words-owords);
 

From b4ee79dac3bddc468e21cae0deb00b80ec4ac051 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Thu, 1 Apr 2010 09:57:40 +0200
Subject: [PATCH 1844/3638] drbd: Added some missing statics

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_bitmap.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 178cf1642b2..aa7e23cf7e2 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -84,7 +84,7 @@ struct drbd_bitmap {
 #define BM_MD_IO_ERROR  1
 #define BM_P_VMALLOCED  2
 
-int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
+static int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
 			       unsigned long e, int val, const enum km_type km);
 
 static int bm_is_locked(struct drbd_bitmap *b)
@@ -783,7 +783,7 @@ static void bm_page_io_async(struct drbd_conf *mdev, struct drbd_bitmap *b, int
 	/* nothing to do, on disk == in memory */
 # define bm_cpu_to_lel(x) ((void)0)
 # else
-void bm_cpu_to_lel(struct drbd_bitmap *b)
+static void bm_cpu_to_lel(struct drbd_bitmap *b)
 {
 	/* need to cpu_to_lel all the pages ...
 	 * this may be optimized by using
@@ -1025,7 +1025,7 @@ unsigned long _drbd_bm_find_next_zero(struct drbd_conf *mdev, unsigned long bm_f
  * wants bitnr, not sector.
  * expected to be called for only a few bits (e - s about BITS_PER_LONG).
  * Must hold bitmap lock already. */
-int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
+static int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
 	unsigned long e, int val, const enum km_type km)
 {
 	struct drbd_bitmap *b = mdev->bitmap;
@@ -1063,7 +1063,7 @@ int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
  * for val != 0, we change 0 -> 1, return code positive
  * for val == 0, we change 1 -> 0, return code negative
  * wants bitnr, not sector */
-int bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
+static int bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
 	const unsigned long e, int val)
 {
 	unsigned long flags;

From 6495d2c6d04f4c45411fdb1b40527c24015f39d6 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 24 Mar 2010 16:07:04 +0100
Subject: [PATCH 1845/3638] drbd: Implemented the --assume-clean option for
 drbdsetup resize

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_nl.c | 11 +++++++++--
 include/linux/drbd.h         |  3 ++-
 include/linux/drbd_nl.h      |  1 +
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 6f7933376a1..19b9a2851e7 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1479,6 +1479,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 	int retcode = NO_ERROR;
 	int ldsc = 0; /* local disk size changed */
 	enum determine_dev_size dd;
+	enum dds_flags ddsf;
 
 	memset(&rs, 0, sizeof(struct resize));
 	if (!resize_from_tags(mdev, nlp->tag_list, &rs)) {
@@ -1502,13 +1503,19 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 		goto fail;
 	}
 
+	if (rs.no_resync && mdev->agreed_pro_version < 93) {
+		retcode = ERR_NEED_APV_93;
+		goto fail;
+	}
+
 	if (mdev->ldev->known_size != drbd_get_capacity(mdev->ldev->backing_bdev)) {
 		mdev->ldev->known_size = drbd_get_capacity(mdev->ldev->backing_bdev);
 		ldsc = 1;
 	}
 
 	mdev->ldev->dc.disk_size = (sector_t)rs.resize_size;
-	dd = drbd_determin_dev_size(mdev, rs.resize_force ? DDSF_FORCED : 0);
+	ddsf = (rs.resize_force ? DDSF_FORCED : 0) | (rs.no_resync ? DDSF_NO_RESYNC : 0);
+	dd = drbd_determin_dev_size(mdev, ddsf);
 	drbd_md_sync(mdev);
 	put_ldev(mdev);
 	if (dd == dev_size_error) {
@@ -1521,7 +1528,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 			set_bit(RESIZE_PENDING, &mdev->flags);
 
 		drbd_send_uuids(mdev);
-		drbd_send_sizes(mdev, 1, 0);
+		drbd_send_sizes(mdev, 1, ddsf);
 	}
 
  fail:
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 4341b1a97a3..7944dd36ee3 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -56,7 +56,7 @@ extern const char *drbd_buildtag(void);
 #define REL_VERSION "8.3.7"
 #define API_VERSION 88
 #define PRO_VERSION_MIN 86
-#define PRO_VERSION_MAX 92
+#define PRO_VERSION_MAX 93
 
 
 enum drbd_io_error_p {
@@ -139,6 +139,7 @@ enum drbd_ret_codes {
 	ERR_DATA_NOT_CURRENT	= 150,
 	ERR_CONNECTED		= 151, /* DRBD 8.3 only */
 	ERR_PERM		= 152,
+	ERR_NEED_APV_93		= 153,
 
 	/* insert new ones above this line */
 	AFTER_LAST_ERR_CODE
diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
index f7431a4ca60..de055c07c2b 100644
--- a/include/linux/drbd_nl.h
+++ b/include/linux/drbd_nl.h
@@ -71,6 +71,7 @@ NL_PACKET(disconnect, 6, )
 NL_PACKET(resize, 7,
 	NL_INT64(		29,	T_MAY_IGNORE,	resize_size)
 	NL_BIT(			68,	T_MAY_IGNORE,	resize_force)
+	NL_BIT(			69,	T_MANDATORY,	no_resync)
 )
 
 NL_PACKET(syncer_conf, 8,

From 087c24925cf4209be1a91f8ede9241e17e9734c7 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Fri, 26 Mar 2010 13:49:56 +0100
Subject: [PATCH 1846/3638] drbd: bugfix: Make resize work, if remote's size
 was limiting and increased in the meantime

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_nl.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 19b9a2851e7..6cb703686b2 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1477,7 +1477,6 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 {
 	struct resize rs;
 	int retcode = NO_ERROR;
-	int ldsc = 0; /* local disk size changed */
 	enum determine_dev_size dd;
 	enum dds_flags ddsf;
 
@@ -1508,10 +1507,8 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 		goto fail;
 	}
 
-	if (mdev->ldev->known_size != drbd_get_capacity(mdev->ldev->backing_bdev)) {
+	if (mdev->ldev->known_size != drbd_get_capacity(mdev->ldev->backing_bdev))
 		mdev->ldev->known_size = drbd_get_capacity(mdev->ldev->backing_bdev);
-		ldsc = 1;
-	}
 
 	mdev->ldev->dc.disk_size = (sector_t)rs.resize_size;
 	ddsf = (rs.resize_force ? DDSF_FORCED : 0) | (rs.no_resync ? DDSF_NO_RESYNC : 0);
@@ -1523,7 +1520,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 		goto fail;
 	}
 
-	if (mdev->state.conn == C_CONNECTED && (dd != unchanged || ldsc)) {
+	if (mdev->state.conn == C_CONNECTED) {
 		if (dd == grew)
 			set_bit(RESIZE_PENDING, &mdev->flags);
 

From 6b4388ac1f282515db3a651707238cad00b50e80 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Mon, 26 Apr 2010 14:11:45 +0200
Subject: [PATCH 1847/3638] drbd: Added transmission faults to the fault
 injection code

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h      | 1 +
 drivers/block/drbd/drbd_main.c     | 3 ++-
 drivers/block/drbd/drbd_receiver.c | 8 +++++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index e0913248398..2409de12f01 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -132,6 +132,7 @@ enum {
 	DRBD_FAULT_DT_RA = 6,	/* data read ahead */
 	DRBD_FAULT_BM_ALLOC = 7,	/* bitmap allocation */
 	DRBD_FAULT_AL_EE = 8,	/* alloc ee */
+	DRBD_FAULT_RECEIVE = 9, /* Changes some bytes upon receiving a [rs]data block */
 
 	DRBD_FAULT_MAX,
 };
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index a478dad82da..7468d2ce734 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -3668,7 +3668,8 @@ _drbd_fault_str(unsigned int type) {
 		[DRBD_FAULT_DT_RD] = "Data read",
 		[DRBD_FAULT_DT_RA] = "Data read ahead",
 		[DRBD_FAULT_BM_ALLOC] = "BM allocation",
-		[DRBD_FAULT_AL_EE] = "EE allocation"
+		[DRBD_FAULT_AL_EE] = "EE allocation",
+		[DRBD_FAULT_RECEIVE] = "receive data corruption",
 	};
 
 	return (type < DRBD_FAULT_MAX) ? _faults[type] : "**Unknown**";
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 11b1bafde28..b27f4dd36f8 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1270,6 +1270,7 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __
 	int dgs, ds, i, rr;
 	void *dig_in = mdev->int_dig_in;
 	void *dig_vv = mdev->int_dig_vv;
+	unsigned long *data;
 
 	dgs = (mdev->agreed_pro_version >= 87 && mdev->integrity_r_tfm) ?
 		crypto_hash_digestsize(mdev->integrity_r_tfm) : 0;
@@ -1307,7 +1308,12 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __
 	ds = data_size;
 	bio_for_each_segment(bvec, bio, i) {
 		page = bvec->bv_page;
-		rr = drbd_recv(mdev, kmap(page), min_t(int, ds, PAGE_SIZE));
+		data = kmap(page);
+		rr = drbd_recv(mdev, data, min_t(int, ds, PAGE_SIZE));
+		if (FAULT_ACTIVE(mdev, DRBD_FAULT_RECEIVE)) {
+			dev_err(DEV, "Fault injection: Corrupting data on receive\n");
+			data[0] = data[0] ^ (unsigned long)-1;
+		}
 		kunmap(page);
 		if (rr != min_t(int, ds, PAGE_SIZE)) {
 			drbd_free_ee(mdev, e);

From 5223671bb0315d83f9ad7becbbb9e703aa735bbe Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 28 Apr 2010 14:46:57 +0200
Subject: [PATCH 1848/3638] drbd: Fixed bitmap in case of online-grow without
 resync

The "surplus" bits of the old (smaller) bitmap must be clean
in case of online-grow without resync.

Note: Reverted 67ae8b80d4a116ab3b7094eb3723506b20c06dff as
well, since the lines added by this patch are redundant. The
bits get set by the bm_set_surplus(b) call before that.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_bitmap.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index aa7e23cf7e2..e3f88d6e141 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -519,7 +519,7 @@ int drbd_bm_resize(struct drbd_conf *mdev, sector_t capacity, int set_new_bits)
 	obits  = b->bm_bits;
 
 	growing = bits > obits;
-	if (opages)
+	if (opages && growing && set_new_bits)
 		bm_set_surplus(b);
 
 	b->bm_pages = npages;
@@ -532,9 +532,6 @@ int drbd_bm_resize(struct drbd_conf *mdev, sector_t capacity, int set_new_bits)
 		if (set_new_bits) {
 			bm_memset(b, owords, 0xff, words-owords);
 			b->bm_set += bits - obits;
-			__bm_change_bits_to(mdev, obits,
-					    ALIGN(obits, BITS_PER_LONG),
-					    1, KM_IRQ1);
 		} else
 			bm_memset(b, owords, 0x00, words-owords);
 

From 0ced55a3bed25b0e30dcb3c7dce9634ce3c60cf2 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Fri, 30 Apr 2010 15:26:20 +0200
Subject: [PATCH 1849/3638] drbd: Receiving of delay_probes

Delay_probes are new packets in the DRBD protocol, which allow
DRBD to know the current delay packets have on the data socket.
(relative to the meta data socket)

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h      | 20 ++++++-
 drivers/block/drbd/drbd_main.c     |  3 +
 drivers/block/drbd/drbd_receiver.c | 96 ++++++++++++++++++++++++++++++
 3 files changed, 118 insertions(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 2409de12f01..fd7615f1e52 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -209,8 +209,11 @@ enum drbd_packets {
 	P_RS_IS_IN_SYNC	      = 0x22, /* meta socket */
 	P_SYNC_PARAM89	      = 0x23, /* data socket, protocol version 89 replacement for P_SYNC_PARAM */
 	P_COMPRESSED_BITMAP   = 0x24, /* compressed or otherwise encoded bitmap transfer */
+	/* P_CKPT_FENCE_REQ      = 0x25, * currently reserved for protocol D */
+	/* P_CKPT_DISABLE_REQ    = 0x26, * currently reserved for protocol D */
+	P_DELAY_PROBE         = 0x27, /* is used on BOTH sockets */
 
-	P_MAX_CMD	      = 0x25,
+	P_MAX_CMD	      = 0x28,
 	P_MAY_IGNORE	      = 0x100, /* Flag to test if (cmd > P_MAY_IGNORE) ... */
 	P_MAX_OPT_CMD	      = 0x101,
 
@@ -540,6 +543,18 @@ struct p_compressed_bm {
 	u8 code[0];
 } __packed;
 
+struct p_delay_probe {
+	struct p_header head;
+	u32	seq_num; /* sequence number to match the two probe packets */
+	u32	offset;	 /* usecs the probe got sent after the reference time point */
+} __packed;
+
+struct delay_probe {
+	struct list_head list;
+	int seq_num;
+	struct timeval time;
+};
+
 /* DCBP: Drbd Compressed Bitmap Packet ... */
 static inline enum drbd_bitmap_code
 DCBP_get_code(struct p_compressed_bm *p)
@@ -1028,6 +1043,9 @@ struct drbd_conf {
 	u64 ed_uuid; /* UUID of the exposed data */
 	struct mutex state_mutex;
 	char congestion_reason;  /* Why we where congested... */
+	struct list_head delay_probes; /* protected by peer_seq_lock */
+	int data_delay;   /* Delay of packets on the data-sock behind meta-sock */
+	atomic_t delay_seq; /* To generate sequence numbers of delay probes */
 };
 
 static inline struct drbd_conf *minor_to_mdev(unsigned int minor)
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 7468d2ce734..3d5fe307a19 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2608,6 +2608,7 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
 	atomic_set(&mdev->net_cnt, 0);
 	atomic_set(&mdev->packet_seq, 0);
 	atomic_set(&mdev->pp_in_use, 0);
+	atomic_set(&mdev->delay_seq, 0);
 
 	mutex_init(&mdev->md_io_mutex);
 	mutex_init(&mdev->data.mutex);
@@ -2636,6 +2637,8 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
 	INIT_LIST_HEAD(&mdev->unplug_work.list);
 	INIT_LIST_HEAD(&mdev->md_sync_work.list);
 	INIT_LIST_HEAD(&mdev->bm_io_work.w.list);
+	INIT_LIST_HEAD(&mdev->delay_probes);
+
 	mdev->resync_work.cb  = w_resync_inactive;
 	mdev->unplug_work.cb  = w_send_write_hint;
 	mdev->md_sync_work.cb = w_md_sync;
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index b27f4dd36f8..fee0d249adf 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3501,6 +3501,92 @@ static int receive_UnplugRemote(struct drbd_conf *mdev, struct p_header *h)
 	return TRUE;
 }
 
+static void timeval_sub_us(struct timeval* tv, unsigned int us)
+{
+	tv->tv_sec -= us / 1000000;
+	us = us % 1000000;
+	if (tv->tv_usec > us) {
+		tv->tv_usec += 1000000;
+		tv->tv_sec--;
+	}
+	tv->tv_usec -= us;
+}
+
+static void got_delay_probe(struct drbd_conf *mdev, int from, struct p_delay_probe *p)
+{
+	struct delay_probe *dp;
+	struct list_head *le;
+	struct timeval now;
+	int seq_num;
+	int offset;
+	int data_delay;
+
+	seq_num = be32_to_cpu(p->seq_num);
+	offset  = be32_to_cpu(p->offset);
+
+	spin_lock(&mdev->peer_seq_lock);
+	if (!list_empty(&mdev->delay_probes)) {
+		if (from == USE_DATA_SOCKET)
+			le = mdev->delay_probes.next;
+		else
+			le = mdev->delay_probes.prev;
+
+		dp = list_entry(le, struct delay_probe, list);
+
+		if (dp->seq_num == seq_num) {
+			list_del(le);
+			spin_unlock(&mdev->peer_seq_lock);
+			do_gettimeofday(&now);
+			timeval_sub_us(&now, offset);
+			data_delay =
+				now.tv_usec - dp->time.tv_usec +
+				(now.tv_sec - dp->time.tv_sec) * 1000000;
+
+			if (data_delay > 0)
+				mdev->data_delay = data_delay;
+
+			kfree(dp);
+			return;
+		}
+
+		if (dp->seq_num > seq_num) {
+			spin_unlock(&mdev->peer_seq_lock);
+			dev_warn(DEV, "Previous allocation failure of struct delay_probe?\n");
+			return; /* Do not alloca a struct delay_probe.... */
+		}
+	}
+	spin_unlock(&mdev->peer_seq_lock);
+
+	dp = kmalloc(sizeof(struct delay_probe), GFP_NOIO);
+	if (!dp) {
+		dev_warn(DEV, "Failed to allocate a struct delay_probe, do not worry.\n");
+		return;
+	}
+
+	dp->seq_num = seq_num;
+	do_gettimeofday(&dp->time);
+	timeval_sub_us(&dp->time, offset);
+
+	spin_lock(&mdev->peer_seq_lock);
+	if (from == USE_DATA_SOCKET)
+		list_add(&dp->list, &mdev->delay_probes);
+	else
+		list_add_tail(&dp->list, &mdev->delay_probes);
+	spin_unlock(&mdev->peer_seq_lock);
+}
+
+static int receive_delay_probe(struct drbd_conf *mdev, struct p_header *h)
+{
+	struct p_delay_probe *p = (struct p_delay_probe *)h;
+
+	ERR_IF(h->length != (sizeof(*p)-sizeof(*h))) return FALSE;
+	if (drbd_recv(mdev, h->payload, h->length) != h->length)
+		return FALSE;
+
+	got_delay_probe(mdev, USE_DATA_SOCKET, p);
+	return TRUE;
+}
+
 typedef int (*drbd_cmd_handler_f)(struct drbd_conf *, struct p_header *);
 
 static drbd_cmd_handler_f drbd_default_handler[] = {
@@ -3524,6 +3610,7 @@ static drbd_cmd_handler_f drbd_default_handler[] = {
 	[P_OV_REQUEST]      = receive_DataRequest,
 	[P_OV_REPLY]        = receive_DataRequest,
 	[P_CSUM_RS_REQUEST]    = receive_DataRequest,
+	[P_DELAY_PROBE]     = receive_delay_probe,
 	/* anything missing from this table is in
 	 * the asender_tbl, see get_asender_cmd */
 	[P_MAX_CMD]	    = NULL,
@@ -4300,6 +4387,14 @@ static int got_OVResult(struct drbd_conf *mdev, struct p_header *h)
 	return TRUE;
 }
 
+static int got_delay_probe_m(struct drbd_conf *mdev, struct p_header *h)
+{
+	struct p_delay_probe *p = (struct p_delay_probe *)h;
+
+	got_delay_probe(mdev, USE_META_SOCKET, p);
+	return TRUE;
+}
+
 struct asender_cmd {
 	size_t pkt_size;
 	int (*process)(struct drbd_conf *mdev, struct p_header *h);
@@ -4324,6 +4419,7 @@ static struct asender_cmd *get_asender_cmd(int cmd)
 	[P_BARRIER_ACK]	    = { sizeof(struct p_barrier_ack), got_BarrierAck },
 	[P_STATE_CHG_REPLY] = { sizeof(struct p_req_state_reply), got_RqSReply },
 	[P_RS_IS_IN_SYNC]   = { sizeof(struct p_block_ack), got_IsInSync },
+	[P_DELAY_PROBE]     = { sizeof(struct p_delay_probe), got_delay_probe_m },
 	[P_MAX_CMD]	    = { 0, NULL },
 	};
 	if (cmd > P_MAX_CMD || asender_tbl[cmd].process == NULL)

From 7237bc430f49de1145d761c4b39f2ebae58842d5 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Mon, 3 May 2010 15:10:47 +0200
Subject: [PATCH 1850/3638] drbd: Sending of delay_probes

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h  |  1 +
 drivers/block/drbd/drbd_main.c | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index fd7615f1e52..3e4d8b574fe 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1046,6 +1046,7 @@ struct drbd_conf {
 	struct list_head delay_probes; /* protected by peer_seq_lock */
 	int data_delay;   /* Delay of packets on the data-sock behind meta-sock */
 	atomic_t delay_seq; /* To generate sequence numbers of delay probes */
+	struct timeval dps_time; /* delay-probes-start-time */
 };
 
 static inline struct drbd_conf *minor_to_mdev(unsigned int minor)
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 3d5fe307a19..710bfebb7b6 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2188,6 +2188,39 @@ int drbd_send_ov_request(struct drbd_conf *mdev, sector_t sector, int size)
 	return ok;
 }
 
+static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds)
+{
+	struct p_delay_probe dp;
+	int offset, ok = 0;
+	struct timeval now;
+
+	mutex_lock(&ds->mutex);
+	if (likely(ds->socket)) {
+		do_gettimeofday(&now);
+		offset = now.tv_usec - mdev->dps_time.tv_usec +
+			 (now.tv_sec - mdev->dps_time.tv_sec) * 1000000;
+		dp.seq_num  = cpu_to_be32(atomic_read(&mdev->delay_seq));
+		dp.offset   = cpu_to_be32(offset);
+
+		ok = _drbd_send_cmd(mdev, ds->socket, P_DELAY_PROBE,
+				    (struct p_header *)&dp, sizeof(dp), 0);
+	}
+	mutex_unlock(&ds->mutex);
+
+	return ok;
+}
+
+static int drbd_send_dalay_probes(struct drbd_conf *mdev)
+{
+	int ok;
+	atomic_inc(&mdev->delay_seq);
+	do_gettimeofday(&mdev->dps_time);
+	ok = drbd_send_delay_probe(mdev, &mdev->meta);
+	ok = ok && drbd_send_delay_probe(mdev, &mdev->data);
+
+	return ok;
+}
+
 /* called on sndtimeo
  * returns FALSE if we should retry,
  * TRUE if we think connection is dead

From caa20d974c86af496b419eef70010e63b7fab7ac Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Mon, 17 May 2010 16:24:16 -0700
Subject: [PATCH 1851/3638] async_tx: trim dma_async_tx_descriptor in 'no
 channel switch' case

Saves 24 bytes per descriptor (64-bit) when the channel-switching
capabilities of async_tx are not required.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 crypto/async_tx/async_tx.c | 46 ++++++++++++-----------------
 drivers/dma/dmaengine.c    | 16 +++++-----
 include/linux/dmaengine.h  | 60 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 88 insertions(+), 34 deletions(-)

diff --git a/crypto/async_tx/async_tx.c b/crypto/async_tx/async_tx.c
index f9cdf04fe7c..7f2c00a4520 100644
--- a/crypto/async_tx/async_tx.c
+++ b/crypto/async_tx/async_tx.c
@@ -81,18 +81,13 @@ async_tx_channel_switch(struct dma_async_tx_descriptor *depend_tx,
 	struct dma_device *device = chan->device;
 	struct dma_async_tx_descriptor *intr_tx = (void *) ~0;
 
-	#ifdef CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH
-	BUG();
-	#endif
-
 	/* first check to see if we can still append to depend_tx */
-	spin_lock_bh(&depend_tx->lock);
-	if (depend_tx->parent && depend_tx->chan == tx->chan) {
-		tx->parent = depend_tx;
-		depend_tx->next = tx;
+	txd_lock(depend_tx);
+	if (txd_parent(depend_tx) && depend_tx->chan == tx->chan) {
+		txd_chain(depend_tx, tx);
 		intr_tx = NULL;
 	}
-	spin_unlock_bh(&depend_tx->lock);
+	txd_unlock(depend_tx);
 
 	/* attached dependency, flush the parent channel */
 	if (!intr_tx) {
@@ -111,24 +106,22 @@ async_tx_channel_switch(struct dma_async_tx_descriptor *depend_tx,
 	if (intr_tx) {
 		intr_tx->callback = NULL;
 		intr_tx->callback_param = NULL;
-		tx->parent = intr_tx;
-		/* safe to set ->next outside the lock since we know we are
+		/* safe to chain outside the lock since we know we are
 		 * not submitted yet
 		 */
-		intr_tx->next = tx;
+		txd_chain(intr_tx, tx);
 
 		/* check if we need to append */
-		spin_lock_bh(&depend_tx->lock);
-		if (depend_tx->parent) {
-			intr_tx->parent = depend_tx;
-			depend_tx->next = intr_tx;
+		txd_lock(depend_tx);
+		if (txd_parent(depend_tx)) {
+			txd_chain(depend_tx, intr_tx);
 			async_tx_ack(intr_tx);
 			intr_tx = NULL;
 		}
-		spin_unlock_bh(&depend_tx->lock);
+		txd_unlock(depend_tx);
 
 		if (intr_tx) {
-			intr_tx->parent = NULL;
+			txd_clear_parent(intr_tx);
 			intr_tx->tx_submit(intr_tx);
 			async_tx_ack(intr_tx);
 		}
@@ -176,21 +169,20 @@ async_tx_submit(struct dma_chan *chan, struct dma_async_tx_descriptor *tx,
 		 * 2/ dependencies are 1:1 i.e. two transactions can
 		 * not depend on the same parent
 		 */
-		BUG_ON(async_tx_test_ack(depend_tx) || depend_tx->next ||
-		       tx->parent);
+		BUG_ON(async_tx_test_ack(depend_tx) || txd_next(depend_tx) ||
+		       txd_parent(tx));
 
 		/* the lock prevents async_tx_run_dependencies from missing
 		 * the setting of ->next when ->parent != NULL
 		 */
-		spin_lock_bh(&depend_tx->lock);
-		if (depend_tx->parent) {
+		txd_lock(depend_tx);
+		if (txd_parent(depend_tx)) {
 			/* we have a parent so we can not submit directly
 			 * if we are staying on the same channel: append
 			 * else: channel switch
 			 */
 			if (depend_tx->chan == chan) {
-				tx->parent = depend_tx;
-				depend_tx->next = tx;
+				txd_chain(depend_tx, tx);
 				s = ASYNC_TX_SUBMITTED;
 			} else
 				s = ASYNC_TX_CHANNEL_SWITCH;
@@ -203,7 +195,7 @@ async_tx_submit(struct dma_chan *chan, struct dma_async_tx_descriptor *tx,
 			else
 				s = ASYNC_TX_CHANNEL_SWITCH;
 		}
-		spin_unlock_bh(&depend_tx->lock);
+		txd_unlock(depend_tx);
 
 		switch (s) {
 		case ASYNC_TX_SUBMITTED:
@@ -212,12 +204,12 @@ async_tx_submit(struct dma_chan *chan, struct dma_async_tx_descriptor *tx,
 			async_tx_channel_switch(depend_tx, tx);
 			break;
 		case ASYNC_TX_DIRECT_SUBMIT:
-			tx->parent = NULL;
+			txd_clear_parent(tx);
 			tx->tx_submit(tx);
 			break;
 		}
 	} else {
-		tx->parent = NULL;
+		txd_clear_parent(tx);
 		tx->tx_submit(tx);
 	}
 
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index d18b5d069d7..fcfe1a62ffa 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -978,7 +978,9 @@ void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx,
 	struct dma_chan *chan)
 {
 	tx->chan = chan;
+	#ifndef CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH
 	spin_lock_init(&tx->lock);
+	#endif
 }
 EXPORT_SYMBOL(dma_async_tx_descriptor_init);
 
@@ -1011,7 +1013,7 @@ EXPORT_SYMBOL_GPL(dma_wait_for_async_tx);
  */
 void dma_run_dependencies(struct dma_async_tx_descriptor *tx)
 {
-	struct dma_async_tx_descriptor *dep = tx->next;
+	struct dma_async_tx_descriptor *dep = txd_next(tx);
 	struct dma_async_tx_descriptor *dep_next;
 	struct dma_chan *chan;
 
@@ -1019,7 +1021,7 @@ void dma_run_dependencies(struct dma_async_tx_descriptor *tx)
 		return;
 
 	/* we'll submit tx->next now, so clear the link */
-	tx->next = NULL;
+	txd_clear_next(tx);
 	chan = dep->chan;
 
 	/* keep submitting up until a channel switch is detected
@@ -1027,14 +1029,14 @@ void dma_run_dependencies(struct dma_async_tx_descriptor *tx)
 	 * processing the interrupt from async_tx_channel_switch
 	 */
 	for (; dep; dep = dep_next) {
-		spin_lock_bh(&dep->lock);
-		dep->parent = NULL;
-		dep_next = dep->next;
+		txd_lock(dep);
+		txd_clear_parent(dep);
+		dep_next = txd_next(dep);
 		if (dep_next && dep_next->chan == chan)
-			dep->next = NULL; /* ->next will be submitted */
+			txd_clear_next(dep); /* ->next will be submitted */
 		else
 			dep_next = NULL; /* submit current dep and terminate */
-		spin_unlock_bh(&dep->lock);
+		txd_unlock(dep);
 
 		dep->tx_submit(dep);
 	}
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 20ea12c86fd..cb234979fc6 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -230,11 +230,71 @@ struct dma_async_tx_descriptor {
 	dma_cookie_t (*tx_submit)(struct dma_async_tx_descriptor *tx);
 	dma_async_tx_callback callback;
 	void *callback_param;
+#ifndef CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH
 	struct dma_async_tx_descriptor *next;
 	struct dma_async_tx_descriptor *parent;
 	spinlock_t lock;
+#endif
 };
 
+#ifdef CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH
+static inline void txd_lock(struct dma_async_tx_descriptor *txd)
+{
+}
+static inline void txd_unlock(struct dma_async_tx_descriptor *txd)
+{
+}
+static inline void txd_chain(struct dma_async_tx_descriptor *txd, struct dma_async_tx_descriptor *next)
+{
+	BUG();
+}
+static inline void txd_clear_parent(struct dma_async_tx_descriptor *txd)
+{
+}
+static inline void txd_clear_next(struct dma_async_tx_descriptor *txd)
+{
+}
+static inline struct dma_async_tx_descriptor *txd_next(struct dma_async_tx_descriptor *txd)
+{
+	return NULL;
+}
+static inline struct dma_async_tx_descriptor *txd_parent(struct dma_async_tx_descriptor *txd)
+{
+	return NULL;
+}
+
+#else
+static inline void txd_lock(struct dma_async_tx_descriptor *txd)
+{
+	spin_lock_bh(&txd->lock);
+}
+static inline void txd_unlock(struct dma_async_tx_descriptor *txd)
+{
+	spin_unlock_bh(&txd->lock);
+}
+static inline void txd_chain(struct dma_async_tx_descriptor *txd, struct dma_async_tx_descriptor *next)
+{
+	txd->next = next;
+	next->parent = txd;
+}
+static inline void txd_clear_parent(struct dma_async_tx_descriptor *txd)
+{
+	txd->parent = NULL;
+}
+static inline void txd_clear_next(struct dma_async_tx_descriptor *txd)
+{
+	txd->next = NULL;
+}
+static inline struct dma_async_tx_descriptor *txd_parent(struct dma_async_tx_descriptor *txd)
+{
+	return txd->parent;
+}
+static inline struct dma_async_tx_descriptor *txd_next(struct dma_async_tx_descriptor *txd)
+{
+	return txd->next;
+}
+#endif
+
 /**
  * struct dma_device - info on the entity supplying DMA services
  * @chancnt: how many DMA channels are supported

From 67c7ddd055c794f0d8e9466ca2d6b5cc0b73d4df Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Tue, 4 May 2010 11:12:00 +0200
Subject: [PATCH 1852/3638] drbd: Four new configuration settings for resync
 speed control

To reasonably control resync speed over drbd-proxy connections,
drbd has to measure the current delay of packets transmitted over
the (possibly congested) data socket vs the meta-data socket.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_nl.c |  4 ++++
 include/linux/drbd_limits.h  | 16 ++++++++++++++++
 include/linux/drbd_nl.h      |  4 ++++
 3 files changed, 24 insertions(+)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 6cb703686b2..93d150661f4 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1555,6 +1555,10 @@ static int drbd_nl_syncer_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *n
 		sc.rate       = DRBD_RATE_DEF;
 		sc.after      = DRBD_AFTER_DEF;
 		sc.al_extents = DRBD_AL_EXTENTS_DEF;
+		sc.dp_volume  = DRBD_DP_VOLUME_DEF;
+		sc.dp_interval = DRBD_DP_INTERVAL_DEF;
+		sc.throttle_th = DRBD_RS_THROTTLE_TH_DEF;
+		sc.hold_off_th = DRBD_RS_HOLD_OFF_TH_DEF;
 	} else
 		memcpy(&sc, &mdev->sync_conf, sizeof(struct syncer_conf));
 
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 51f47a586ad..440b42e38e8 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -133,5 +133,21 @@
 #define DRBD_MAX_BIO_BVECS_MAX 128
 #define DRBD_MAX_BIO_BVECS_DEF 0
 
+#define DRBD_DP_VOLUME_MIN 4
+#define DRBD_DP_VOLUME_MAX 1048576
+#define DRBD_DP_VOLUME_DEF 16384
+
+#define DRBD_DP_INTERVAL_MIN 1
+#define DRBD_DP_INTERVAL_MAX 600
+#define DRBD_DP_INTERVAL_DEF 5
+
+#define DRBD_RS_THROTTLE_TH_MIN 1
+#define DRBD_RS_THROTTLE_TH_MAX 600
+#define DRBD_RS_THROTTLE_TH_DEF 20
+
+#define DRBD_RS_HOLD_OFF_TH_MIN 1
+#define DRBD_RS_HOLD_OFF_TH_MAX 6000
+#define DRBD_RS_HOLD_OFF_TH_DEF 100
+
 #undef RANGE
 #endif
diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
index de055c07c2b..ce77a746fc9 100644
--- a/include/linux/drbd_nl.h
+++ b/include/linux/drbd_nl.h
@@ -78,6 +78,10 @@ NL_PACKET(syncer_conf, 8,
 	NL_INTEGER(	30,	T_MAY_IGNORE,	rate)
 	NL_INTEGER(	31,	T_MAY_IGNORE,	after)
 	NL_INTEGER(	32,	T_MAY_IGNORE,	al_extents)
+	NL_INTEGER(     71,	T_MAY_IGNORE,	dp_volume)
+	NL_INTEGER(     72,	T_MAY_IGNORE,	dp_interval)
+	NL_INTEGER(     73,	T_MAY_IGNORE,	throttle_th)
+	NL_INTEGER(     74,	T_MAY_IGNORE,	hold_off_th)
 	NL_STRING(      52,     T_MAY_IGNORE,   verify_alg,     SHARED_SECRET_MAX)
 	NL_STRING(      51,     T_MAY_IGNORE,   cpu_mask,       32)
 	NL_STRING(	64,	T_MAY_IGNORE,	csums_alg,	SHARED_SECRET_MAX)

From bd26bfc5b4253425d17aa49648ae1f3e976041c4 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Tue, 4 May 2010 12:33:58 +0200
Subject: [PATCH 1853/3638] drbd: Actually send delay probes

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h  |  6 ++++-
 drivers/block/drbd/drbd_main.c | 43 +++++++++++++++++++++++++++++++++-
 2 files changed, 47 insertions(+), 2 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 3e4d8b574fe..210870ed8a7 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -925,9 +925,11 @@ struct drbd_conf {
 	unsigned int ko_count;
 	struct drbd_work  resync_work,
 			  unplug_work,
-			  md_sync_work;
+			  md_sync_work,
+			  delay_probe_work;
 	struct timer_list resync_timer;
 	struct timer_list md_sync_timer;
+	struct timer_list delay_probe_timer;
 
 	/* Used after attach while negotiating new disk state. */
 	union drbd_state new_state_tmp;
@@ -1047,6 +1049,8 @@ struct drbd_conf {
 	int data_delay;   /* Delay of packets on the data-sock behind meta-sock */
 	atomic_t delay_seq; /* To generate sequence numbers of delay probes */
 	struct timeval dps_time; /* delay-probes-start-time */
+	int dp_volume_last;  /* send_cnt of last delay probe */
+	int c_sync_rate; /* current resync rate after delay_probe magic */
 };
 
 static inline struct drbd_conf *minor_to_mdev(unsigned int minor)
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 710bfebb7b6..98785d08cf7 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2207,10 +2207,13 @@ static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds)
 	}
 	mutex_unlock(&ds->mutex);
 
+	mdev->dp_volume_last = mdev->send_cnt;
+	mod_timer(&mdev->delay_probe_timer, jiffies + mdev->sync_conf.dp_interval * HZ / 10);
+
 	return ok;
 }
 
-static int drbd_send_dalay_probes(struct drbd_conf *mdev)
+static int drbd_send_delay_probes(struct drbd_conf *mdev)
 {
 	int ok;
 	atomic_inc(&mdev->delay_seq);
@@ -2350,6 +2353,30 @@ static int _drbd_send_zc_bio(struct drbd_conf *mdev, struct bio *bio)
 	return 1;
 }
 
+static void consider_delay_probes(struct drbd_conf *mdev)
+{
+	if (mdev->state.conn != C_SYNC_SOURCE)
+		return;
+
+	if (mdev->dp_volume_last + mdev->sync_conf.dp_volume * 2 < mdev->send_cnt)
+		drbd_send_delay_probes(mdev);
+}
+
+static int w_delay_probes(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
+{
+	if (!cancel && mdev->state.conn == C_SYNC_SOURCE)
+		drbd_send_delay_probes(mdev);
+
+	return 1;
+}
+
+static void delay_probe_timer_fn(unsigned long data)
+{
+	struct drbd_conf *mdev = (struct drbd_conf *) data;
+
+	drbd_queue_work(&mdev->data.work, &mdev->delay_probe_work);
+}
+
 /* Used to send write requests
  * R_PRIMARY -> Peer	(P_DATA)
  */
@@ -2412,6 +2439,10 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
 	}
 
 	drbd_put_data_sock(mdev);
+
+	if (ok)
+		consider_delay_probes(mdev);
+
 	return ok;
 }
 
@@ -2457,6 +2488,10 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packets cmd,
 		ok = _drbd_send_zc_bio(mdev, e->private_bio);
 
 	drbd_put_data_sock(mdev);
+
+	if (ok)
+		consider_delay_probes(mdev);
+
 	return ok;
 }
 
@@ -2671,17 +2706,23 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
 	INIT_LIST_HEAD(&mdev->md_sync_work.list);
 	INIT_LIST_HEAD(&mdev->bm_io_work.w.list);
 	INIT_LIST_HEAD(&mdev->delay_probes);
+	INIT_LIST_HEAD(&mdev->delay_probe_work.list);
 
 	mdev->resync_work.cb  = w_resync_inactive;
 	mdev->unplug_work.cb  = w_send_write_hint;
 	mdev->md_sync_work.cb = w_md_sync;
 	mdev->bm_io_work.w.cb = w_bitmap_io;
+	mdev->delay_probe_work.cb = w_delay_probes;
 	init_timer(&mdev->resync_timer);
 	init_timer(&mdev->md_sync_timer);
+	init_timer(&mdev->delay_probe_timer);
 	mdev->resync_timer.function = resync_timer_fn;
 	mdev->resync_timer.data = (unsigned long) mdev;
 	mdev->md_sync_timer.function = md_sync_timer_fn;
 	mdev->md_sync_timer.data = (unsigned long) mdev;
+	mdev->delay_probe_timer.function = delay_probe_timer_fn;
+	mdev->delay_probe_timer.data = (unsigned long) mdev;
+
 
 	init_waitqueue_head(&mdev->misc_wait);
 	init_waitqueue_head(&mdev->state_wait);

From cdd67a74603d0453ddffc24c572aed2ddd1795b8 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Tue, 4 May 2010 16:57:18 +0200
Subject: [PATCH 1854/3638] drbd: Control the actual resync rate based on the
 queuing delay of data packets

In a setup with a high bandwidth and high latency network, eventually
involving deep queues in routers, it is beneficial to only fill those
queues up to an limited extend with resync data.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_worker.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 44bf6d11197..0bbecf45b48 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -414,6 +414,18 @@ void resync_timer_fn(unsigned long data)
 		drbd_queue_work(&mdev->data.work, &mdev->resync_work);
 }
 
+static int calc_resync_rate(struct drbd_conf *mdev)
+{
+	int d = mdev->data_delay / 1000; /* us -> ms */
+	int td = mdev->sync_conf.throttle_th * 100;  /* 0.1s -> ms */
+	int hd = mdev->sync_conf.hold_off_th * 100;  /* 0.1s -> ms */
+	int cr = mdev->sync_conf.rate;
+
+	return d <= td ? cr :
+		d >= hd ? 0 :
+		cr + (cr * (td - d) / (hd - td));
+}
+
 int w_make_resync_request(struct drbd_conf *mdev,
 		struct drbd_work *w, int cancel)
 {
@@ -446,7 +458,8 @@ int w_make_resync_request(struct drbd_conf *mdev,
 		return 1;
 	}
 
-	number = SLEEP_TIME * mdev->sync_conf.rate / ((BM_BLOCK_SIZE/1024)*HZ);
+	mdev->c_sync_rate = calc_resync_rate(mdev);
+	number = SLEEP_TIME * mdev->c_sync_rate  / ((BM_BLOCK_SIZE / 1024) * HZ);
 	pe = atomic_read(&mdev->rs_pending_cnt);
 
 	mutex_lock(&mdev->data.mutex);

From eedf386ae9d9e80a5669107e960090951e62f3a3 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Tue, 4 May 2010 16:31:03 +0200
Subject: [PATCH 1855/3638] drbd: Proc bits of new resync speed stuff

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_proc.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
index be3374b6846..81dea0a8593 100644
--- a/drivers/block/drbd/drbd_proc.c
+++ b/drivers/block/drbd/drbd_proc.c
@@ -73,14 +73,22 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq)
 	seq_printf(seq, "sync'ed:%3u.%u%% ", res / 10, res % 10);
 	/* if more than 1 GB display in MB */
 	if (mdev->rs_total > 0x100000L)
-		seq_printf(seq, "(%lu/%lu)M\n\t",
+		seq_printf(seq, "(%lu/%lu)M",
 			    (unsigned long) Bit2KB(rs_left >> 10),
 			    (unsigned long) Bit2KB(mdev->rs_total >> 10));
 	else
-		seq_printf(seq, "(%lu/%lu)K\n\t",
+		seq_printf(seq, "(%lu/%lu)K",
 			    (unsigned long) Bit2KB(rs_left),
 			    (unsigned long) Bit2KB(mdev->rs_total));
 
+	if (mdev->state.conn == C_SYNC_TARGET)
+		seq_printf(seq, " queue_delay: %d.%d ms\n\t",
+			   mdev->data_delay / 1000,
+			   (mdev->data_delay % 1000) / 100);
+	else if (mdev->state.conn == C_SYNC_SOURCE)
+		seq_printf(seq, " delay_probe: %d\n\t",
+			   atomic_read(&mdev->delay_seq));
+
 	/* see drivers/md/md.c
 	 * We do not want to overflow, so the order of operands and
 	 * the * 100 / 100 trick are important. We do a +1 to be
@@ -128,6 +136,14 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq)
 	else
 		seq_printf(seq, " (%ld)", dbdt);
 
+	if (mdev->state.conn == C_SYNC_TARGET) {
+		if (mdev->c_sync_rate > 1000)
+			seq_printf(seq, " want: %d,%03d",
+				   mdev->c_sync_rate / 1000, mdev->c_sync_rate % 1000);
+		else
+			seq_printf(seq, " want: %d", mdev->c_sync_rate);
+	}
+
 	seq_printf(seq, " K/sec\n");
 }
 

From 078b078f662a8e21d5a6fee81007b5337ab962cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Fri, 14 May 2010 19:37:32 -0700
Subject: [PATCH 1856/3638] Staging: vt6655: use ETH_ALEN macro instead of
 custom one
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Replaced custom ethernet address length definition U_ETHER_ADDR_LEN by
ETH_ALEN from <linux/if_ether.h>.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/aes_ccmp.c    | 10 ++--
 drivers/staging/vt6655/card.c        |  4 +-
 drivers/staging/vt6655/desc.h        |  6 +--
 drivers/staging/vt6655/device.h      | 18 +++----
 drivers/staging/vt6655/device_main.c | 14 +++---
 drivers/staging/vt6655/dpc.c         | 14 +++---
 drivers/staging/vt6655/ioctl.c       |  2 +-
 drivers/staging/vt6655/key.c         |  4 +-
 drivers/staging/vt6655/key.h         |  2 +-
 drivers/staging/vt6655/mib.c         |  2 +-
 drivers/staging/vt6655/mib.h         |  2 +-
 drivers/staging/vt6655/rxtx.c        | 70 ++++++++++++++--------------
 drivers/staging/vt6655/srom.c        |  4 +-
 drivers/staging/vt6655/tether.c      |  2 +-
 drivers/staging/vt6655/tether.h      | 22 ++++-----
 drivers/staging/vt6655/wctl.c        |  4 +-
 drivers/staging/vt6655/wmgr.c        |  8 ++--
 drivers/staging/vt6655/wpa2.c        |  2 +-
 drivers/staging/vt6655/wpactl.c      |  2 +-
 19 files changed, 96 insertions(+), 96 deletions(-)

diff --git a/drivers/staging/vt6655/aes_ccmp.c b/drivers/staging/vt6655/aes_ccmp.c
index 2614ed380a4..fef1b91c292 100644
--- a/drivers/staging/vt6655/aes_ccmp.c
+++ b/drivers/staging/vt6655/aes_ccmp.c
@@ -277,7 +277,7 @@ int             ii,jj,kk;
     pbyPayload = pbyIV + 8; //IV-length
 
     abyNonce[0]  = 0x00; //now is 0, if Qos here will be priority
-    memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, U_ETHER_ADDR_LEN);
+    memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN);
     abyNonce[7]  = pbyIV[7];
     abyNonce[8]  = pbyIV[6];
     abyNonce[9]  = pbyIV[5];
@@ -299,16 +299,16 @@ int             ii,jj,kk;
     byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
     byTmp &= 0x87;
     MIC_HDR1[3] = byTmp | 0x40;
-    memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, U_ETHER_ADDR_LEN);
-    memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, U_ETHER_ADDR_LEN);
+    memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
+    memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
 
     //MIC_HDR2
-    memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, U_ETHER_ADDR_LEN);
+    memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
     byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
     MIC_HDR2[6] = byTmp & 0x0f;
     MIC_HDR2[7] = 0;
     if ( bA4 ) {
-        memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, U_ETHER_ADDR_LEN);
+        memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, ETH_ALEN);
     } else {
         MIC_HDR2[8]  = 0x00;
         MIC_HDR2[9]  = 0x00;
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index b071236607f..7bc2d7654b0 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -1576,7 +1576,7 @@ CARDbAdd_PMKID_Candidate (
     // Update Old Candidate
     for (ii = 0; ii < pDevice->gsPMKIDCandidate.NumCandidates; ii++) {
         pCandidateList = &pDevice->gsPMKIDCandidate.CandidateList[ii];
-        if ( !memcmp(pCandidateList->BSSID, pbyBSSID, U_ETHER_ADDR_LEN)) {
+        if ( !memcmp(pCandidateList->BSSID, pbyBSSID, ETH_ALEN)) {
             if ((bRSNCapExist == TRUE) && (wRSNCap & BIT0)) {
                 pCandidateList->Flags |= NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
             } else {
@@ -1593,7 +1593,7 @@ CARDbAdd_PMKID_Candidate (
     } else {
         pCandidateList->Flags &= ~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED);
     }
-    memcpy(pCandidateList->BSSID, pbyBSSID, U_ETHER_ADDR_LEN);
+    memcpy(pCandidateList->BSSID, pbyBSSID, ETH_ALEN);
     pDevice->gsPMKIDCandidate.NumCandidates++;
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"NumCandidates:%d\n", (int)pDevice->gsPMKIDCandidate.NumCandidates);
     return TRUE;
diff --git a/drivers/staging/vt6655/desc.h b/drivers/staging/vt6655/desc.h
index 0e119492d71..cedb1e7df4f 100644
--- a/drivers/staging/vt6655/desc.h
+++ b/drivers/staging/vt6655/desc.h
@@ -446,8 +446,8 @@ typedef const SRrvTime_atim *PCSRrvTime_atim;
 typedef struct tagSRTSData {
     WORD    wFrameControl;
     WORD    wDurationID;
-    BYTE    abyRA[U_ETHER_ADDR_LEN];
-    BYTE    abyTA[U_ETHER_ADDR_LEN];
+    BYTE    abyRA[ETH_ALEN];
+    BYTE    abyTA[ETH_ALEN];
 }__attribute__ ((__packed__))
 SRTSData, *PSRTSData;
 typedef const SRTSData *PCSRTSData;
@@ -522,7 +522,7 @@ typedef const SRTS_a_FB *PCSRTS_a_FB;
 typedef struct tagSCTSData {
     WORD    wFrameControl;
     WORD    wDurationID;
-    BYTE    abyRA[U_ETHER_ADDR_LEN];
+    BYTE    abyRA[ETH_ALEN];
     WORD    wReserved;
 }__attribute__ ((__packed__))
 SCTSData, *PSCTSData;
diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h
index 0ea24f25cdf..40ee4e14237 100644
--- a/drivers/staging/vt6655/device.h
+++ b/drivers/staging/vt6655/device.h
@@ -103,7 +103,7 @@
 #define MAC_MAX_CONTEXT_REG     (256+128)
 
 #define MAX_MULTICAST_ADDRESS_NUM       32
-#define MULTICAST_ADDRESS_LIST_SIZE     (MAX_MULTICAST_ADDRESS_NUM * U_ETHER_ADDR_LEN)
+#define MULTICAST_ADDRESS_LIST_SIZE     (MAX_MULTICAST_ADDRESS_NUM * ETH_ALEN)
 
 
 //#define OP_MODE_INFRASTRUCTURE  0
@@ -304,7 +304,7 @@ typedef enum {
 // The receive duplicate detection cache entry
 typedef struct tagSCacheEntry{
     WORD        wFmSequence;
-    BYTE        abyAddr2[U_ETHER_ADDR_LEN];
+    BYTE        abyAddr2[ETH_ALEN];
 } SCacheEntry, *PSCacheEntry;
 
 typedef struct tagSCache{
@@ -321,7 +321,7 @@ typedef struct tagSDeFragControlBlock
 {
     WORD            wSequence;
     WORD            wFragNum;
-    BYTE            abyAddr2[U_ETHER_ADDR_LEN];
+    BYTE            abyAddr2[ETH_ALEN];
 	UINT            uLifetime;
     struct sk_buff* skb;
     PBYTE           pbyRxBuffer;
@@ -484,7 +484,7 @@ typedef struct __device_info {
    BYTE                        byOriginalZonetype;
     BYTE                        abyMacContext[MAC_MAX_CONTEXT_REG];
     BOOL                        bLinkPass;          // link status: OK or fail
-    BYTE                        abyCurrentNetAddr[U_ETHER_ADDR_LEN];
+    BYTE                        abyCurrentNetAddr[ETH_ALEN];
 
     // Adapter statistics
     SStatCounter                scStatistic;
@@ -546,8 +546,8 @@ typedef struct __device_info {
     BYTE                        byOpMode;
     BOOL                        bBSSIDFilter;
     WORD                        wMaxTransmitMSDULifetime;
-    BYTE                        abyBSSID[U_ETHER_ADDR_LEN];
-    BYTE                        abyDesireBSSID[U_ETHER_ADDR_LEN];
+    BYTE                        abyBSSID[ETH_ALEN];
+    BYTE                        abyDesireBSSID[ETH_ALEN];
     WORD                        wCTSDuration;       // update while speed change
     WORD                        wACKDuration;       // update while speed change
     WORD                        wRTSTransmitLen;    // update while speed change
@@ -753,9 +753,9 @@ typedef struct __device_info {
 
     SEthernetHeader         sTxEthHeader;
     SEthernetHeader         sRxEthHeader;
-    BYTE                    abyBroadcastAddr[U_ETHER_ADDR_LEN];
-    BYTE                    abySNAP_RFC1042[U_ETHER_ADDR_LEN];
-    BYTE                    abySNAP_Bridgetunnel[U_ETHER_ADDR_LEN];
+    BYTE                    abyBroadcastAddr[ETH_ALEN];
+    BYTE                    abySNAP_RFC1042[ETH_ALEN];
+    BYTE                    abySNAP_Bridgetunnel[ETH_ALEN];
      BYTE                        abyEEPROM[EEP_MAX_CONTEXT_SIZE];  //DWORD alignment
     // Pre-Authentication & PMK cache
     SPMKID                  gsPMKID;
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index a401f2ad62c..301efc5cbe0 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -429,14 +429,14 @@ pOpts->flags|=DEVICE_FLAGS_DiversityANT;
 static void
 device_set_options(PSDevice pDevice) {
 
-    BYTE    abyBroadcastAddr[U_ETHER_ADDR_LEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-    BYTE    abySNAP_RFC1042[U_ETHER_ADDR_LEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
-    BYTE    abySNAP_Bridgetunnel[U_ETHER_ADDR_LEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
+    BYTE    abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+    BYTE    abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
+    BYTE    abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
 
 
-    memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, U_ETHER_ADDR_LEN);
-    memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, U_ETHER_ADDR_LEN);
-    memcpy(pDevice->abySNAP_Bridgetunnel, abySNAP_Bridgetunnel, U_ETHER_ADDR_LEN);
+    memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, ETH_ALEN);
+    memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, ETH_ALEN);
+    memcpy(pDevice->abySNAP_Bridgetunnel, abySNAP_Bridgetunnel, ETH_ALEN);
 
     pDevice->uChannel = pDevice->sOpts.channel_num;
     pDevice->wRTSThreshold = pDevice->sOpts.rts_thresh;
@@ -1971,7 +1971,7 @@ device_init_rd0_ring(pDevice);
 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "call device_init_registers\n");
 	device_init_registers(pDevice, DEVICE_INIT_COLD);
     MACvReadEtherAddress(pDevice->PortOffset, pDevice->abyCurrentNetAddr);
-    memcpy(pDevice->pMgmt->abyMACAddr, pDevice->abyCurrentNetAddr, U_ETHER_ADDR_LEN);
+    memcpy(pDevice->pMgmt->abyMACAddr, pDevice->abyCurrentNetAddr, ETH_ALEN);
     device_set_multi(pDevice->dev);
 
     // Init for Key Management
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index 715be63f21a..83040f4f6c7 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -236,11 +236,11 @@ s_vProcessRxMACHeader (
         }
     }
 
-    cbHeaderSize -= (U_ETHER_ADDR_LEN * 2);
+    cbHeaderSize -= (ETH_ALEN * 2);
     pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize);
-    for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
+    for(ii=0;ii<ETH_ALEN;ii++)
         *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
-    for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
+    for(ii=0;ii<ETH_ALEN;ii++)
         *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
 
     *pcbHeadSize = cbHeaderSize;
@@ -277,14 +277,14 @@ s_vGetDASA (
 
     if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
         if (pMACHeader->wFrameCtl & FC_FROMDS) {
-            for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
+            for(ii=0;ii<ETH_ALEN;ii++) {
                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
             }
         }
         else {
             // IBSS mode
-            for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
+            for(ii=0;ii<ETH_ALEN;ii++) {
                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
             }
@@ -293,14 +293,14 @@ s_vGetDASA (
     else {
         // Is AP mode..
         if (pMACHeader->wFrameCtl & FC_FROMDS) {
-            for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
+            for(ii=0;ii<ETH_ALEN;ii++) {
                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
                 cbHeaderSize += 6;
             }
         }
         else {
-            for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
+            for(ii=0;ii<ETH_ALEN;ii++) {
                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
             }
diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c
index e36cd30f642..404287c6025 100644
--- a/drivers/staging/vt6655/ioctl.c
+++ b/drivers/staging/vt6655/ioctl.c
@@ -497,7 +497,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
 		};
 		if (sValue.dwValue == 1) {
                      DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "up wpadev\n");
-		   memcpy(pDevice->wpadev->dev_addr, pDevice->dev->dev_addr, U_ETHER_ADDR_LEN);
+		   memcpy(pDevice->wpadev->dev_addr, pDevice->dev->dev_addr, ETH_ALEN);
 		   pDevice->bWPADEVUp = TRUE;
         }
         else {
diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c
index 2065ee22068..bfc5c509d90 100644
--- a/drivers/staging/vt6655/key.c
+++ b/drivers/staging/vt6655/key.c
@@ -281,7 +281,7 @@ BOOL KeybSetKey (
         }
     }
     if (j < (MAX_KEY_TABLE-1)) {
-        memcpy(pTable->KeyTable[j].abyBSSID,pbyBSSID,U_ETHER_ADDR_LEN);
+        memcpy(pTable->KeyTable[j].abyBSSID,pbyBSSID,ETH_ALEN);
         pTable->KeyTable[j].bInUse = TRUE;
         if ((dwKeyIndex & PAIRWISE_KEY) != 0)  {
             // Pairwise key
@@ -656,7 +656,7 @@ BOOL KeybSetDefaultKey (
     }
 
     pTable->KeyTable[MAX_KEY_TABLE-1].bInUse = TRUE;
-    for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
+    for(ii=0;ii<ETH_ALEN;ii++)
         pTable->KeyTable[MAX_KEY_TABLE-1].abyBSSID[ii] = 0xFF;
 
     // Group key
diff --git a/drivers/staging/vt6655/key.h b/drivers/staging/vt6655/key.h
index db1cbf3c8e7..39403d93aeb 100644
--- a/drivers/staging/vt6655/key.h
+++ b/drivers/staging/vt6655/key.h
@@ -71,7 +71,7 @@ typedef struct tagSKeyItem
 
 typedef struct tagSKeyTable
 {
-    BYTE        abyBSSID[U_ETHER_ADDR_LEN];  //6
+    BYTE        abyBSSID[ETH_ALEN];  //6
     BYTE        byReserved0[2];              //8
     SKeyItem    PairwiseKey;
     SKeyItem    GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
diff --git a/drivers/staging/vt6655/mib.c b/drivers/staging/vt6655/mib.c
index fb11595c82c..e5f06382e4f 100644
--- a/drivers/staging/vt6655/mib.c
+++ b/drivers/staging/vt6655/mib.c
@@ -190,7 +190,7 @@ void STAvUpdateRDStatCounter (PSStatCounter pStatistic,
 
         pStatistic->ullRsrOK++;
 
-        if (cbFrameLength >= U_ETHER_ADDR_LEN) {
+        if (cbFrameLength >= ETH_ALEN) {
             // update counters in case that successful transmit
             if (byRSR & RSR_ADDRBROAD) {
                 pStatistic->ullRxBroadcastFrames++;
diff --git a/drivers/staging/vt6655/mib.h b/drivers/staging/vt6655/mib.h
index 2aa2b91de72..2308319a405 100644
--- a/drivers/staging/vt6655/mib.h
+++ b/drivers/staging/vt6655/mib.h
@@ -78,7 +78,7 @@ typedef struct tagSMib2Counter {
     LONG    ifType;
     LONG    ifMtu;
     DWORD   ifSpeed;
-    BYTE    ifPhysAddress[U_ETHER_ADDR_LEN];
+    BYTE    ifPhysAddress[ETH_ALEN];
     LONG    ifAdminStatus;
     LONG    ifOperStatus;
     DWORD   ifLastChange;
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 6cd10bdf280..e27fa204962 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -900,16 +900,16 @@ s_vFillRTSHead (
             pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4
             if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
                 (pDevice->eOPMode == OP_MODE_AP)) {
-                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN);
             }
             else {
-                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             }
             if (pDevice->eOPMode == OP_MODE_AP) {
-                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             }
             else {
-                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN);
             }
         }
         else {
@@ -938,17 +938,17 @@ s_vFillRTSHead (
 
             if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
                 (pDevice->eOPMode == OP_MODE_AP)) {
-                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN);
             }
             else {
-                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             }
 
             if (pDevice->eOPMode == OP_MODE_AP) {
-                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             }
             else {
-                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN);
             }
 
         } // if (byFBOption == AUTO_FB_NONE)
@@ -969,17 +969,17 @@ s_vFillRTSHead (
 
             if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
                 (pDevice->eOPMode == OP_MODE_AP)) {
-                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN);
             }
             else {
-                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             }
 
             if (pDevice->eOPMode == OP_MODE_AP) {
-                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             }
             else {
-                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN);
             }
 
         }
@@ -1000,16 +1000,16 @@ s_vFillRTSHead (
 
             if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
                 (pDevice->eOPMode == OP_MODE_AP)) {
-                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN);
             }
             else {
-                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             }
             if (pDevice->eOPMode == OP_MODE_AP) {
-                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             }
             else {
-                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+                memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN);
             }
         }
     }
@@ -1029,17 +1029,17 @@ s_vFillRTSHead (
 
         if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
             (pDevice->eOPMode == OP_MODE_AP)) {
-            memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN);
         }
         else {
-            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
         }
 
         if (pDevice->eOPMode == OP_MODE_AP) {
-            memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
         }
         else {
-            memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN);
         }
     }
 }
@@ -1098,7 +1098,7 @@ s_vFillCTSHead (
             pBuf->Data.wDurationID = pBuf->wDuration_ba;
             pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4
             pBuf->Data.wReserved = 0x0000;
-            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyCurrentNetAddr[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyCurrentNetAddr[0]), ETH_ALEN);
 
         } else { //if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA)
             PSCTS pBuf = (PSCTS)pvCTS;
@@ -1116,7 +1116,7 @@ s_vFillCTSHead (
             pBuf->Data.wDurationID = pBuf->wDuration_ba;
             pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4
             pBuf->Data.wReserved = 0x0000;
-            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyCurrentNetAddr[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyCurrentNetAddr[0]), ETH_ALEN);
         }
     }
 }
@@ -2287,21 +2287,21 @@ vGenerateMACHeader (
     }
 
     if (pDevice->eOPMode == OP_MODE_AP) {
-        memcpy(&(pMACHeader->abyAddr1[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-        memcpy(&(pMACHeader->abyAddr2[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
-        memcpy(&(pMACHeader->abyAddr3[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
+        memcpy(&(pMACHeader->abyAddr1[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN);
+        memcpy(&(pMACHeader->abyAddr2[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
+        memcpy(&(pMACHeader->abyAddr3[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN);
         pMACHeader->wFrameCtl |= FC_FROMDS;
     }
     else {
         if (pDevice->eOPMode == OP_MODE_ADHOC) {
-            memcpy(&(pMACHeader->abyAddr1[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-            memcpy(&(pMACHeader->abyAddr2[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
-            memcpy(&(pMACHeader->abyAddr3[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pMACHeader->abyAddr1[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN);
+            memcpy(&(pMACHeader->abyAddr2[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN);
+            memcpy(&(pMACHeader->abyAddr3[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
         }
         else {
-            memcpy(&(pMACHeader->abyAddr3[0]), &(psEthHeader->abyDstAddr[0]), U_ETHER_ADDR_LEN);
-            memcpy(&(pMACHeader->abyAddr2[0]), &(psEthHeader->abySrcAddr[0]), U_ETHER_ADDR_LEN);
-            memcpy(&(pMACHeader->abyAddr1[0]), &(pDevice->abyBSSID[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pMACHeader->abyAddr3[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN);
+            memcpy(&(pMACHeader->abyAddr2[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN);
+            memcpy(&(pMACHeader->abyAddr1[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
             pMACHeader->wFrameCtl |= FC_TODS;
         }
     }
@@ -2518,8 +2518,8 @@ CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket) {
 
     memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
 
-    memcpy(&(sEthHeader.abyDstAddr[0]), &(pPacket->p80211Header->sA3.abyAddr1[0]), U_ETHER_ADDR_LEN);
-    memcpy(&(sEthHeader.abySrcAddr[0]), &(pPacket->p80211Header->sA3.abyAddr2[0]), U_ETHER_ADDR_LEN);
+    memcpy(&(sEthHeader.abyDstAddr[0]), &(pPacket->p80211Header->sA3.abyAddr1[0]), ETH_ALEN);
+    memcpy(&(sEthHeader.abySrcAddr[0]), &(pPacket->p80211Header->sA3.abyAddr2[0]), ETH_ALEN);
     //=========================
     //    No Fragmentation
     //=========================
@@ -3062,8 +3062,8 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb, PBYTE pbMPDU, UINT cbMPDU
     }
 
     memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
-    memcpy(&(sEthHeader.abyDstAddr[0]), &(p80211Header->sA3.abyAddr1[0]), U_ETHER_ADDR_LEN);
-    memcpy(&(sEthHeader.abySrcAddr[0]), &(p80211Header->sA3.abyAddr2[0]), U_ETHER_ADDR_LEN);
+    memcpy(&(sEthHeader.abyDstAddr[0]), &(p80211Header->sA3.abyAddr1[0]), ETH_ALEN);
+    memcpy(&(sEthHeader.abySrcAddr[0]), &(p80211Header->sA3.abyAddr2[0]), ETH_ALEN);
     //=========================
     //    No Fragmentation
     //=========================
diff --git a/drivers/staging/vt6655/srom.c b/drivers/staging/vt6655/srom.c
index fb7a6468cab..418575fdc2c 100644
--- a/drivers/staging/vt6655/srom.c
+++ b/drivers/staging/vt6655/srom.c
@@ -320,7 +320,7 @@ void SROMvReadEtherAddress(DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
     BYTE     ii;
 
     /* ii = Rom Address */
-    for (ii = 0; ii < U_ETHER_ADDR_LEN; ii++) {
+    for (ii = 0; ii < ETH_ALEN; ii++) {
         *pbyEtherAddress = SROMbyReadEmbedded(dwIoBase, ii);
         pbyEtherAddress++;
     }
@@ -345,7 +345,7 @@ void SROMvWriteEtherAddress(DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
     BYTE     ii;
 
     /* ii = Rom Address */
-    for (ii = 0; ii < U_ETHER_ADDR_LEN; ii++) {
+    for (ii = 0; ii < ETH_ALEN; ii++) {
         SROMbWriteEmbedded(dwIoBase, ii, *pbyEtherAddress);
         pbyEtherAddress++;
     }
diff --git a/drivers/staging/vt6655/tether.c b/drivers/staging/vt6655/tether.c
index c90b469ad54..d8ba67395cb 100644
--- a/drivers/staging/vt6655/tether.c
+++ b/drivers/staging/vt6655/tether.c
@@ -68,7 +68,7 @@ BYTE ETHbyGetHashIndexByCrc32 (PBYTE pbyMultiAddr)
     BYTE    byHash = 0;
 
     // get the least 6-bits from CRC generator
-    byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, U_ETHER_ADDR_LEN,
+    byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, ETH_ALEN,
             0xFFFFFFFFL) & 0x3F);
     // reverse most bit to least bit
     for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) {
diff --git a/drivers/staging/vt6655/tether.h b/drivers/staging/vt6655/tether.h
index 5a3c326436c..af119dd82b2 100644
--- a/drivers/staging/vt6655/tether.h
+++ b/drivers/staging/vt6655/tether.h
@@ -29,17 +29,17 @@
 #ifndef __TETHER_H__
 #define __TETHER_H__
 
+#include <linux/if_ether.h>
 #include "ttype.h"
 
 /*---------------------  Export Definitions -------------------------*/
 //
 // constants
 //
-#define U_ETHER_ADDR_LEN    6           // Ethernet address length
 #define U_TYPE_LEN          2           //
 #define U_CRC_LEN           4           //
-#define U_HEADER_LEN        (U_ETHER_ADDR_LEN * 2 + U_TYPE_LEN)
-#define U_ETHER_ADDR_STR_LEN (U_ETHER_ADDR_LEN * 2 + 1)
+#define U_HEADER_LEN        (ETH_ALEN * 2 + U_TYPE_LEN)
+#define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
                                         // Ethernet address string length
 
 #define MIN_DATA_LEN        46          // min data length
@@ -167,8 +167,8 @@
 // Ethernet packet
 //
 typedef struct tagSEthernetHeader {
-    BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
-    BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
+    BYTE    abyDstAddr[ETH_ALEN];
+    BYTE    abySrcAddr[ETH_ALEN];
     WORD    wType;
 }__attribute__ ((__packed__))
 SEthernetHeader, *PSEthernetHeader;
@@ -178,8 +178,8 @@ SEthernetHeader, *PSEthernetHeader;
 // 802_3 packet
 //
 typedef struct tagS802_3Header {
-    BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
-    BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
+    BYTE    abyDstAddr[ETH_ALEN];
+    BYTE    abySrcAddr[ETH_ALEN];
     WORD    wLen;
 }__attribute__ ((__packed__))
 S802_3Header, *PS802_3Header;
@@ -190,11 +190,11 @@ S802_3Header, *PS802_3Header;
 typedef struct tagS802_11Header {
     WORD    wFrameCtl;
     WORD    wDurationID;
-    BYTE    abyAddr1[U_ETHER_ADDR_LEN];
-    BYTE    abyAddr2[U_ETHER_ADDR_LEN];
-    BYTE    abyAddr3[U_ETHER_ADDR_LEN];
+    BYTE    abyAddr1[ETH_ALEN];
+    BYTE    abyAddr2[ETH_ALEN];
+    BYTE    abyAddr3[ETH_ALEN];
     WORD    wSeqCtl;
-    BYTE    abyAddr4[U_ETHER_ADDR_LEN];
+    BYTE    abyAddr4[ETH_ALEN];
 }__attribute__ ((__packed__))
 S802_11Header, *PS802_11Header;
 
diff --git a/drivers/staging/vt6655/wctl.c b/drivers/staging/vt6655/wctl.c
index 4406f8caa55..64a66b2f1fc 100644
--- a/drivers/staging/vt6655/wctl.c
+++ b/drivers/staging/vt6655/wctl.c
@@ -89,7 +89,7 @@ BOOL WCTLbIsDuplicate (PSCache pCache, PS802_11Header pMACHeader)
     /* Not fount in cache - insert */
     pCacheEntry = &pCache->asCacheEntry[pCache->uInPtr];
     pCacheEntry->wFmSequence = pMACHeader->wSeqCtl;
-    memcpy(&(pCacheEntry->abyAddr2[0]), &(pMACHeader->abyAddr2[0]), U_ETHER_ADDR_LEN);
+    memcpy(&(pCacheEntry->abyAddr2[0]), &(pMACHeader->abyAddr2[0]), ETH_ALEN);
     ADD_ONE_WITH_WRAP_AROUND(pCache->uInPtr, DUPLICATE_RX_CACHE_LENGTH);
     return FALSE;
 }
@@ -151,7 +151,7 @@ UINT ii;
             pDevice->sRxDFCB[ii].bInUse = TRUE;
             pDevice->sRxDFCB[ii].wSequence = (pMACHeader->wSeqCtl >> 4);
             pDevice->sRxDFCB[ii].wFragNum = (pMACHeader->wSeqCtl & 0x000F);
-            memcpy(&(pDevice->sRxDFCB[ii].abyAddr2[0]), &(pMACHeader->abyAddr2[0]), U_ETHER_ADDR_LEN);
+            memcpy(&(pDevice->sRxDFCB[ii].abyAddr2[0]), &(pMACHeader->abyAddr2[0]), ETH_ALEN);
             return(ii);
         }
     }
diff --git a/drivers/staging/vt6655/wmgr.c b/drivers/staging/vt6655/wmgr.c
index 60c00fc1f02..8af356fd139 100644
--- a/drivers/staging/vt6655/wmgr.c
+++ b/drivers/staging/vt6655/wmgr.c
@@ -3869,7 +3869,7 @@ s_MgrMakeAssocRequest(
             *pwPMKID = 0;            // Initialize PMKID count
             pbyRSN += 2;             // Point to PMKID list
             for (ii = 0; ii < pDevice->gsPMKID.BSSIDInfoCount; ii++) {
-                if ( !memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0], pMgmt->abyCurrBSSID, U_ETHER_ADDR_LEN)) {
+                if ( !memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0], pMgmt->abyCurrBSSID, ETH_ALEN)) {
                     (*pwPMKID) ++;
                     memcpy(pbyRSN, pDevice->gsPMKID.BSSIDInfo[ii].PMKID, 16);
                     pbyRSN += 16;
@@ -4125,7 +4125,7 @@ s_MgrMakeReAssocRequest(
             *pwPMKID = 0;            // Initialize PMKID count
             pbyRSN += 2;             // Point to PMKID list
             for (ii = 0; ii < pDevice->gsPMKID.BSSIDInfoCount; ii++) {
-                if ( !memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0], pMgmt->abyCurrBSSID, U_ETHER_ADDR_LEN)) {
+                if ( !memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0], pMgmt->abyCurrBSSID, ETH_ALEN)) {
                     (*pwPMKID) ++;
                     memcpy(pbyRSN, pDevice->gsPMKID.BSSIDInfo[ii].PMKID, 16);
                     pbyRSN += 16;
@@ -4831,7 +4831,7 @@ bAdd_PMKID_Candidate (
     // Update Old Candidate
     for (ii = 0; ii < pDevice->gsPMKIDCandidate.NumCandidates; ii++) {
         pCandidateList = &pDevice->gsPMKIDCandidate.CandidateList[ii];
-        if ( !memcmp(pCandidateList->BSSID, pbyBSSID, U_ETHER_ADDR_LEN)) {
+        if ( !memcmp(pCandidateList->BSSID, pbyBSSID, ETH_ALEN)) {
             if ((psRSNCapObj->bRSNCapExist == TRUE) && (psRSNCapObj->wRSNCap & BIT0)) {
                 pCandidateList->Flags |= NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
             } else {
@@ -4848,7 +4848,7 @@ bAdd_PMKID_Candidate (
     } else {
         pCandidateList->Flags &= ~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED);
     }
-    memcpy(pCandidateList->BSSID, pbyBSSID, U_ETHER_ADDR_LEN);
+    memcpy(pCandidateList->BSSID, pbyBSSID, ETH_ALEN);
     pDevice->gsPMKIDCandidate.NumCandidates++;
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"NumCandidates:%d\n", (int)pDevice->gsPMKIDCandidate.NumCandidates);
     return TRUE;
diff --git a/drivers/staging/vt6655/wpa2.c b/drivers/staging/vt6655/wpa2.c
index ff2837938e9..7a42a0aad7d 100644
--- a/drivers/staging/vt6655/wpa2.c
+++ b/drivers/staging/vt6655/wpa2.c
@@ -346,7 +346,7 @@ WPA2uSetIEs(
             *pwPMKID = 0;                               // Initialize PMKID count
             pbyBuffer = &pRSNIEs->abyRSN[20];           // Point to PMKID list
             for (ii = 0; ii < pMgmt->gsPMKIDCache.BSSIDInfoCount; ii++) {
-                if ( !memcmp(&pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyBSSID[0], pMgmt->abyCurrBSSID, U_ETHER_ADDR_LEN)) {
+                if ( !memcmp(&pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyBSSID[0], pMgmt->abyCurrBSSID, ETH_ALEN)) {
                     (*pwPMKID) ++;
                     memcpy(pbyBuffer, pMgmt->gsPMKIDCache.BSSIDInfo[ii].abyPMKID, 16);
                     pbyBuffer += 16;
diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c
index 9f215dfa86e..22c2fab3f32 100644
--- a/drivers/staging/vt6655/wpactl.c
+++ b/drivers/staging/vt6655/wpactl.c
@@ -101,7 +101,7 @@ static int wpa_init_wpadev(PSDevice pDevice)
 
     wpadev_priv = netdev_priv(pDevice->wpadev);
     *wpadev_priv = *pDevice;
-	memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, U_ETHER_ADDR_LEN);
+	memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, ETH_ALEN);
          pDevice->wpadev->base_addr = dev->base_addr;
 	pDevice->wpadev->irq = dev->irq;
 	pDevice->wpadev->mem_start = dev->mem_start;

From a8cdfd8d3bf0b6d2bbe792f5e74f54ccc6bc1d4f Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 5 May 2010 20:53:33 +0200
Subject: [PATCH 1857/3638] drbd: A fixes to the new resync speed code

* Mention P_DELAY_PROBE in the packet naming array
* Do not corrupt the mdev->data.work list in case the timer goes
  off before delay_probe_work got handled by the worker
* Do not mod_timer() twice for a single delay_probe pair

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h  | 1 +
 drivers/block/drbd/drbd_main.c | 9 +++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 210870ed8a7..37380d2c869 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -268,6 +268,7 @@ static inline const char *cmdname(enum drbd_packets cmd)
 		[P_CSUM_RS_REQUEST]     = "CsumRSRequest",
 		[P_RS_IS_IN_SYNC]	= "CsumRSIsInSync",
 		[P_COMPRESSED_BITMAP]   = "CBitmap",
+		[P_DELAY_PROBE]         = "DelayProbe",
 		[P_MAX_CMD]	        = NULL,
 	};
 
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 98785d08cf7..44cc7b415ed 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2207,9 +2207,6 @@ static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds)
 	}
 	mutex_unlock(&ds->mutex);
 
-	mdev->dp_volume_last = mdev->send_cnt;
-	mod_timer(&mdev->delay_probe_timer, jiffies + mdev->sync_conf.dp_interval * HZ / 10);
-
 	return ok;
 }
 
@@ -2221,6 +2218,9 @@ static int drbd_send_delay_probes(struct drbd_conf *mdev)
 	ok = drbd_send_delay_probe(mdev, &mdev->meta);
 	ok = ok && drbd_send_delay_probe(mdev, &mdev->data);
 
+	mdev->dp_volume_last = mdev->send_cnt;
+	mod_timer(&mdev->delay_probe_timer, jiffies + mdev->sync_conf.dp_interval * HZ / 10);
+
 	return ok;
 }
 
@@ -2374,7 +2374,8 @@ static void delay_probe_timer_fn(unsigned long data)
 {
 	struct drbd_conf *mdev = (struct drbd_conf *) data;
 
-	drbd_queue_work(&mdev->data.work, &mdev->delay_probe_work);
+	if (list_empty(&mdev->delay_probe_work.list))
+		drbd_queue_work(&mdev->data.work, &mdev->delay_probe_work);
 }
 
 /* Used to send write requests

From 96fe9ee2c2dfe3268961f3873ea6098b9b9f27c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Fri, 14 May 2010 19:37:33 -0700
Subject: [PATCH 1858/3638] Staging: vt6655: use ETH_HLEN macro instead of
 custom one
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Replaced custom header length definition U_HEADER_LEN by ETH_HLEN
from <linux/if_ether.h>. Also remove unused U_TYPE_LEN.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/device_main.c | 16 ++++++++--------
 drivers/staging/vt6655/tether.h      |  6 ++----
 drivers/staging/vt6655/wroute.c      |  4 ++--
 3 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 301efc5cbe0..25894a201b2 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -2152,8 +2152,8 @@ BOOL device_dma0_xmit(PSDevice pDevice, struct sk_buff *skb, UINT uNodeIndex) {
 
     pHeadTD->m_td1TD1.byTCR = (TCR_EDP|TCR_STP);
 
-    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)(skb->data), U_HEADER_LEN);
-    cbFrameBodySize = skb->len - U_HEADER_LEN;
+    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)(skb->data), ETH_HLEN);
+    cbFrameBodySize = skb->len - ETH_HLEN;
 
     // 802.1H
     if (ntohs(pDevice->sTxEthHeader.wType) > MAX_DATA_LEN) {
@@ -2356,8 +2356,8 @@ static int  device_xmit(struct sk_buff *skb, struct net_device *dev) {
     pHeadTD->m_td1TD1.byTCR = (TCR_EDP|TCR_STP);
 
 
-    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)(skb->data), U_HEADER_LEN);
-    cbFrameBodySize = skb->len - U_HEADER_LEN;
+    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)(skb->data), ETH_HLEN);
+    cbFrameBodySize = skb->len - ETH_HLEN;
     // 802.1H
     if (ntohs(pDevice->sTxEthHeader.wType) > MAX_DATA_LEN) {
         cbFrameBodySize += 8;
@@ -2636,10 +2636,10 @@ pDevice->byTopCCKBasicRate,pDevice->byTopOFDMBasicRate);
     BYTE  Descriptor_type;
     WORD Key_info;
 BOOL            bTxeapol_key = FALSE;
-    Protocol_Version = skb->data[U_HEADER_LEN];
-    Packet_Type = skb->data[U_HEADER_LEN+1];
-    Descriptor_type = skb->data[U_HEADER_LEN+1+1+2];
-    Key_info = (skb->data[U_HEADER_LEN+1+1+2+1] << 8)|(skb->data[U_HEADER_LEN+1+1+2+2]);
+    Protocol_Version = skb->data[ETH_HLEN];
+    Packet_Type = skb->data[ETH_HLEN+1];
+    Descriptor_type = skb->data[ETH_HLEN+1+1+2];
+    Key_info = (skb->data[ETH_HLEN+1+1+2+1] << 8)|(skb->data[ETH_HLEN+1+1+2+2]);
    if (pDevice->sTxEthHeader.wType == TYPE_PKT_802_1x) {
            if(((Protocol_Version==1) ||(Protocol_Version==2)) &&
 	        (Packet_Type==3)) {  //802.1x OR eapol-key challenge frame transfer
diff --git a/drivers/staging/vt6655/tether.h b/drivers/staging/vt6655/tether.h
index af119dd82b2..4f2af359c06 100644
--- a/drivers/staging/vt6655/tether.h
+++ b/drivers/staging/vt6655/tether.h
@@ -36,19 +36,17 @@
 //
 // constants
 //
-#define U_TYPE_LEN          2           //
 #define U_CRC_LEN           4           //
-#define U_HEADER_LEN        (ETH_ALEN * 2 + U_TYPE_LEN)
 #define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
                                         // Ethernet address string length
 
 #define MIN_DATA_LEN        46          // min data length
 #define MAX_DATA_LEN        1500        // max data length
 
-#define MIN_PACKET_LEN      (MIN_DATA_LEN + U_HEADER_LEN)
+#define MIN_PACKET_LEN      (MIN_DATA_LEN + ETH_HLEN)
                                         // 60
                                         // min total packet length (tx)
-#define MAX_PACKET_LEN      (MAX_DATA_LEN + U_HEADER_LEN)
+#define MAX_PACKET_LEN      (MAX_DATA_LEN + ETH_HLEN)
                                         // 1514
                                         // max total packet length (tx)
 
diff --git a/drivers/staging/vt6655/wroute.c b/drivers/staging/vt6655/wroute.c
index 1d02040e80e..485e105b0af 100644
--- a/drivers/staging/vt6655/wroute.c
+++ b/drivers/staging/vt6655/wroute.c
@@ -91,9 +91,9 @@ BOOL ROUTEbRelay (PSDevice pDevice, PBYTE pbySkbData, UINT uDataLen, UINT uNodeI
 
     pHeadTD->m_td1TD1.byTCR = (TCR_EDP|TCR_STP);
 
-    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)pbySkbData, U_HEADER_LEN);
+    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)pbySkbData, ETH_HLEN);
 
-    cbFrameBodySize = uDataLen - U_HEADER_LEN;
+    cbFrameBodySize = uDataLen - ETH_HLEN;
 
     if (ntohs(pDevice->sTxEthHeader.wType) > MAX_DATA_LEN) {
         cbFrameBodySize += 8;

From 162f3ec7f026784ff2e216f19147d67e2f8ccd56 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Thu, 6 May 2010 15:19:30 +0200
Subject: [PATCH 1859/3638] drbd: Fixes to the new delay_probes code

* Only send delay_probes with protocol 93 or newer
* drbd_send_delay_probes() is called only from worker context,
  no atomic_t needed for delay_seq

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h  | 6 +++---
 drivers/block/drbd/drbd_main.c | 8 ++++----
 drivers/block/drbd/drbd_proc.c | 3 +--
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 37380d2c869..45d9a4534c4 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -552,7 +552,7 @@ struct p_delay_probe {
 
 struct delay_probe {
 	struct list_head list;
-	int seq_num;
+	unsigned int seq_num;
 	struct timeval time;
 };
 
@@ -1048,9 +1048,9 @@ struct drbd_conf {
 	char congestion_reason;  /* Why we where congested... */
 	struct list_head delay_probes; /* protected by peer_seq_lock */
 	int data_delay;   /* Delay of packets on the data-sock behind meta-sock */
-	atomic_t delay_seq; /* To generate sequence numbers of delay probes */
+	unsigned int delay_seq; /* To generate sequence numbers of delay probes */
 	struct timeval dps_time; /* delay-probes-start-time */
-	int dp_volume_last;  /* send_cnt of last delay probe */
+	unsigned int dp_volume_last;  /* send_cnt of last delay probe */
 	int c_sync_rate; /* current resync rate after delay_probe magic */
 };
 
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 44cc7b415ed..3aa0add1c23 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2199,7 +2199,7 @@ static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds)
 		do_gettimeofday(&now);
 		offset = now.tv_usec - mdev->dps_time.tv_usec +
 			 (now.tv_sec - mdev->dps_time.tv_sec) * 1000000;
-		dp.seq_num  = cpu_to_be32(atomic_read(&mdev->delay_seq));
+		dp.seq_num  = cpu_to_be32(mdev->delay_seq);
 		dp.offset   = cpu_to_be32(offset);
 
 		ok = _drbd_send_cmd(mdev, ds->socket, P_DELAY_PROBE,
@@ -2213,7 +2213,8 @@ static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds)
 static int drbd_send_delay_probes(struct drbd_conf *mdev)
 {
 	int ok;
-	atomic_inc(&mdev->delay_seq);
+
+	mdev->delay_seq++;
 	do_gettimeofday(&mdev->dps_time);
 	ok = drbd_send_delay_probe(mdev, &mdev->meta);
 	ok = ok && drbd_send_delay_probe(mdev, &mdev->data);
@@ -2355,7 +2356,7 @@ static int _drbd_send_zc_bio(struct drbd_conf *mdev, struct bio *bio)
 
 static void consider_delay_probes(struct drbd_conf *mdev)
 {
-	if (mdev->state.conn != C_SYNC_SOURCE)
+	if (mdev->state.conn != C_SYNC_SOURCE || mdev->agreed_pro_version < 93)
 		return;
 
 	if (mdev->dp_volume_last + mdev->sync_conf.dp_volume * 2 < mdev->send_cnt)
@@ -2677,7 +2678,6 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
 	atomic_set(&mdev->net_cnt, 0);
 	atomic_set(&mdev->packet_seq, 0);
 	atomic_set(&mdev->pp_in_use, 0);
-	atomic_set(&mdev->delay_seq, 0);
 
 	mutex_init(&mdev->md_io_mutex);
 	mutex_init(&mdev->data.mutex);
diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
index 81dea0a8593..d0f1767ea4c 100644
--- a/drivers/block/drbd/drbd_proc.c
+++ b/drivers/block/drbd/drbd_proc.c
@@ -86,8 +86,7 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq)
 			   mdev->data_delay / 1000,
 			   (mdev->data_delay % 1000) / 100);
 	else if (mdev->state.conn == C_SYNC_SOURCE)
-		seq_printf(seq, " delay_probe: %d\n\t",
-			   atomic_read(&mdev->delay_seq));
+		seq_printf(seq, " delay_probe: %u\n\t", mdev->delay_seq);
 
 	/* see drivers/md/md.c
 	 * We do not want to overflow, so the order of operands and

From 708d740ed8242b84eefc63df144313a7308c7de5 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Mon, 3 May 2010 10:38:57 +0200
Subject: [PATCH 1860/3638] drbd: reduce sizeof struct drbd_epoch_entry by 8
 byte by aligning members

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 45d9a4534c4..1bc86ddac38 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -747,12 +747,8 @@ struct drbd_epoch_entry {
 	struct hlist_node colision;
 	sector_t sector;
 	unsigned int size;
-	struct drbd_epoch *epoch;
-
-	/* up to here, the struct layout is identical to drbd_request;
-	 * we might be able to use that to our advantage...  */
-
 	unsigned int flags;
+	struct drbd_epoch *epoch;
 	u64    block_id;
 };
 

From 058276303dbc4ed089c1f7dad0871810b1f5ddf1 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Mon, 17 May 2010 16:30:42 -0700
Subject: [PATCH 1861/3638] DMAENGINE: extend the control command to include an
 arg

This adds an argument to the DMAengine control function, so that
we can later provide control commands that need some external data
passed in through an argument akin to the ioctl() operation
prototype.

[dan.j.williams@intel.com: fix up some missed conversions]
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/at_hdmac.c       |  3 ++-
 drivers/dma/coh901318.c      |  5 +++--
 drivers/dma/dw_dmac.c        |  3 ++-
 drivers/dma/fsldma.c         |  2 +-
 drivers/dma/ipu/ipu_idmac.c  | 12 +++++++-----
 drivers/dma/shdma.c          |  3 ++-
 drivers/dma/ste_dma40.c      |  3 ++-
 drivers/dma/timb_dma.c       |  3 ++-
 drivers/dma/txx9dmac.c       |  3 ++-
 drivers/mmc/host/atmel-mci.c |  2 +-
 drivers/serial/sh-sci.c      |  2 +-
 drivers/video/mx3fb.c        |  2 +-
 include/linux/dmaengine.h    |  3 ++-
 sound/soc/txx9/txx9aclc.c    |  7 ++++---
 14 files changed, 32 insertions(+), 21 deletions(-)

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 93ed99c84cf..ee805a43f87 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -759,7 +759,8 @@ err_desc_get:
 	return NULL;
 }
 
-static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+		       unsigned long arg)
 {
 	struct at_dma_chan	*atchan = to_at_dma_chan(chan);
 	struct at_dma		*atdma = to_at_dma(chan->device);
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 4233440741a..a724e6be1b4 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -942,7 +942,7 @@ coh901318_free_chan_resources(struct dma_chan *chan)
 
 	spin_unlock_irqrestore(&cohc->lock, flags);
 
-	chan->device->device_control(chan, DMA_TERMINATE_ALL);
+	chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
 }
 
 
@@ -1176,7 +1176,8 @@ coh901318_issue_pending(struct dma_chan *chan)
 }
 
 static int
-coh901318_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+coh901318_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+		  unsigned long arg)
 {
 	unsigned long flags;
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 18fb5b41ced..a3991ab0d67 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -781,7 +781,8 @@ err_desc_get:
 	return NULL;
 }
 
-static int dwc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int dwc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+		       unsigned long arg)
 {
 	struct dw_dma_chan	*dwc = to_dw_dma_chan(chan);
 	struct dw_dma		*dw = to_dw_dma(chan->device);
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index cb1924f46c9..005329d496b 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -775,7 +775,7 @@ fail:
 }
 
 static int fsl_dma_device_control(struct dma_chan *dchan,
-				  enum dma_ctrl_cmd cmd)
+				  enum dma_ctrl_cmd cmd, unsigned long arg)
 {
 	struct fsldma_chan *chan;
 	unsigned long flags;
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index 246a6143e4a..cb26ee9773d 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1472,7 +1472,8 @@ static void idmac_issue_pending(struct dma_chan *chan)
 	 */
 }
 
-static int __idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int __idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+			   unsigned long arg)
 {
 	struct idmac_channel *ichan = to_idmac_chan(chan);
 	struct idmac *idmac = to_idmac(chan->device);
@@ -1513,14 +1514,15 @@ static int __idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
 	return 0;
 }
 
-static int idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+			 unsigned long arg)
 {
 	struct idmac_channel *ichan = to_idmac_chan(chan);
 	int ret;
 
 	mutex_lock(&ichan->chan_mutex);
 
-	ret = __idmac_control(chan, cmd);
+	ret = __idmac_control(chan, cmd, arg);
 
 	mutex_unlock(&ichan->chan_mutex);
 
@@ -1616,7 +1618,7 @@ static void idmac_free_chan_resources(struct dma_chan *chan)
 
 	mutex_lock(&ichan->chan_mutex);
 
-	__idmac_control(chan, DMA_TERMINATE_ALL);
+	__idmac_control(chan, DMA_TERMINATE_ALL, 0);
 
 	if (ichan->status > IPU_CHANNEL_FREE) {
 #ifdef DEBUG
@@ -1709,7 +1711,7 @@ static void __exit ipu_idmac_exit(struct ipu *ipu)
 	for (i = 0; i < IPU_CHANNELS_NUM; i++) {
 		struct idmac_channel *ichan = ipu->channel + i;
 
-		idmac_control(&ichan->dma_chan, DMA_TERMINATE_ALL);
+		idmac_control(&ichan->dma_chan, DMA_TERMINATE_ALL, 0);
 		idmac_prep_slave_sg(&ichan->dma_chan, NULL, 0, DMA_NONE, 0);
 	}
 
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 98f82cdb404..e9de1d35c20 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -580,7 +580,8 @@ static struct dma_async_tx_descriptor *sh_dmae_prep_slave_sg(
 			       direction, flags);
 }
 
-static int sh_dmae_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int sh_dmae_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+			   unsigned long arg)
 {
 	struct sh_dmae_chan *sh_chan = to_sh_chan(chan);
 
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 81fec95312b..c426829f6ab 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2065,7 +2065,8 @@ static void d40_issue_pending(struct dma_chan *chan)
 	spin_unlock_irqrestore(&d40c->lock, flags);
 }
 
-static int d40_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int d40_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+		       unsigned long arg)
 {
 	unsigned long flags;
 	struct d40_chan *d40c = container_of(chan, struct d40_chan, chan);
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 44b346d8d31..0172fa3c7a2 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -611,7 +611,8 @@ static struct dma_async_tx_descriptor *td_prep_slave_sg(struct dma_chan *chan,
 	return &td_desc->txd;
 }
 
-static int td_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int td_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+		      unsigned long arg)
 {
 	struct timb_dma_chan *td_chan =
 		container_of(chan, struct timb_dma_chan, chan);
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index e523737639a..d02edb05910 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -938,7 +938,8 @@ txx9dmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	return &first->txd;
 }
 
-static int txx9dmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int txx9dmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+			    unsigned long arg)
 {
 	struct txx9dmac_chan *dc = to_txx9dmac_chan(chan);
 	struct txx9dmac_desc *desc, *_desc;
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index ae6d24ba4f0..fd2d24f8147 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -578,7 +578,7 @@ static void atmci_stop_dma(struct atmel_mci *host)
 	struct dma_chan *chan = host->data_chan;
 
 	if (chan) {
-		chan->device->device_control(chan, DMA_TERMINATE_ALL);
+	  chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
 		atmci_dma_cleanup(host);
 	} else {
 		/* Data transfer was stopped by the interrupt handler */
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 69098823797..882f3d5ed02 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1087,7 +1087,7 @@ static void work_fn_rx(struct work_struct *work)
 		unsigned long flags;
 		int count;
 
-		chan->device->device_control(chan, DMA_TERMINATE_ALL);
+		chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
 		dev_dbg(port->dev, "Read %u bytes with cookie %d\n",
 			sh_desc->partial, sh_desc->cookie);
 
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index 3aa50bc276e..7cfc170bce1 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -388,7 +388,7 @@ static void sdc_disable_channel(struct mx3fb_info *mx3_fbi)
 	spin_unlock_irqrestore(&mx3fb->lock, flags);
 
 	mx3_fbi->txd->chan->device->device_control(mx3_fbi->txd->chan,
-						   DMA_TERMINATE_ALL);
+						   DMA_TERMINATE_ALL, 0);
 	mx3_fbi->txd = NULL;
 	mx3_fbi->cookie = -EINVAL;
 }
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 50b7b3e0d57..17456571ff7 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -347,7 +347,8 @@ struct dma_device {
 		struct dma_chan *chan, struct scatterlist *sgl,
 		unsigned int sg_len, enum dma_data_direction direction,
 		unsigned long flags);
-	int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd);
+	int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+		unsigned long arg);
 
 	enum dma_status (*device_tx_status)(struct dma_chan *chan,
 					    dma_cookie_t cookie,
diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c
index b35d00706c0..9398f507f77 100644
--- a/sound/soc/txx9/txx9aclc.c
+++ b/sound/soc/txx9/txx9aclc.c
@@ -159,7 +159,7 @@ static void txx9aclc_dma_tasklet(unsigned long data)
 		void __iomem *base = drvdata->base;
 
 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);
-		chan->device->device_control(chan, DMA_TERMINATE_ALL);
+		chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
 		/* first time */
 		for (i = 0; i < NR_DMA_CHAIN; i++) {
 			desc = txx9aclc_dma_submit(dmadata,
@@ -267,7 +267,7 @@ static int txx9aclc_pcm_close(struct snd_pcm_substream *substream)
 	struct dma_chan *chan = dmadata->dma_chan;
 
 	dmadata->frag_count = -1;
-	chan->device->device_control(chan, DMA_TERMINATE_ALL);
+	chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
 	return 0;
 }
 
@@ -396,7 +396,8 @@ static int txx9aclc_pcm_remove(struct platform_device *pdev)
 		struct dma_chan *chan = dmadata->dma_chan;
 		if (chan) {
 			dmadata->frag_count = -1;
-			chan->device->device_control(chan, DMA_TERMINATE_ALL);
+			chan->device->device_control(chan,
+						     DMA_TERMINATE_ALL, 0);
 			dma_release_channel(chan);
 		}
 		dev->dmadata[i].dma_chan = NULL;

From 94002c07ff0e207a883519ccc35c0b5390b29331 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 23:21:43 +0200
Subject: [PATCH 1862/3638] Staging: Use kmemdup

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/usbdux.c          |  3 +--
 drivers/staging/comedi/drivers/usbduxfast.c      |  3 +--
 drivers/staging/hv/vmbus.c                       |  3 +--
 drivers/staging/line6/dumprequest.c              |  3 +--
 drivers/staging/line6/pod.c                      |  6 ++----
 drivers/staging/line6/variax.c                   |  5 ++---
 drivers/staging/pohmelfs/config.c                | 16 ++++++----------
 .../rtl8187se/ieee80211/ieee80211_softmac.c      |  4 ++--
 .../staging/rtl8187se/ieee80211/ieee80211_wx.c   |  3 +--
 .../rtl8192e/ieee80211/ieee80211_softmac.c       |  4 ++--
 .../staging/rtl8192e/ieee80211/ieee80211_wx.c    |  3 +--
 .../rtl8192su/ieee80211/ieee80211_softmac.c      |  4 ++--
 .../staging/rtl8192su/ieee80211/ieee80211_wx.c   |  3 +--
 .../rtl8192u/ieee80211/ieee80211_softmac.c       |  7 +++----
 .../staging/rtl8192u/ieee80211/ieee80211_wx.c    |  3 +--
 drivers/staging/usbip/stub_rx.c                  |  4 ++--
 16 files changed, 29 insertions(+), 45 deletions(-)

diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index df71515c7a3..86f035d0067 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -840,13 +840,12 @@ static int firmwareUpload(struct usbduxsub *usbduxsub,
 	}
 
 	/* we generate a local buffer for the firmware */
-	fwBuf = kzalloc(sizeFirmware, GFP_KERNEL);
+	fwBuf = kmemdup(firmwareBinary, sizeFirmware, GFP_KERNEL);
 	if (!fwBuf) {
 		dev_err(&usbduxsub->interface->dev,
 			"comedi_: mem alloc for firmware failed\n");
 		return -ENOMEM;
 	}
-	memcpy(fwBuf, firmwareBinary, sizeFirmware);
 
 	ret = usbduxsub_stop(usbduxsub);
 	if (ret < 0) {
diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index 0d72c416e73..29c3c016b93 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -1368,13 +1368,12 @@ static int firmwareUpload(struct usbduxfastsub_s *usbduxfastsub,
 	}
 
 	/* we generate a local buffer for the firmware */
-	fwBuf = kzalloc(sizeFirmware, GFP_KERNEL);
+	fwBuf = kmemdup(firmwareBinary, sizeFirmware, GFP_KERNEL);
 	if (!fwBuf) {
 		dev_err(&usbduxfastsub->interface->dev,
 			"comedi_: mem alloc for firmware failed\n");
 		return -ENOMEM;
 	}
-	memcpy(fwBuf, firmwareBinary, sizeFirmware);
 
 	ret = usbduxfastsub_stop(usbduxfastsub);
 	if (ret < 0) {
diff --git a/drivers/staging/hv/vmbus.c b/drivers/staging/hv/vmbus.c
index 0a9d8459db0..007543bdb41 100644
--- a/drivers/staging/hv/vmbus.c
+++ b/drivers/staging/hv/vmbus.c
@@ -185,11 +185,10 @@ static void VmbusOnMsgDPC(struct hv_driver *drv)
 			/* no msg */
 			break;
 		} else {
-			copied = kmalloc(sizeof(*copied), GFP_ATOMIC);
+			copied = kmemdup(msg, sizeof(*copied), GFP_ATOMIC);
 			if (copied == NULL)
 				continue;
 
-			memcpy(copied, msg, sizeof(*copied));
 			osd_schedule_callback(gVmbusConnection.WorkQueue,
 					      VmbusOnChannelMessage,
 					      (void *)copied);
diff --git a/drivers/staging/line6/dumprequest.c b/drivers/staging/line6/dumprequest.c
index bb8c9da5803..cd468c39da5 100644
--- a/drivers/staging/line6/dumprequest.c
+++ b/drivers/staging/line6/dumprequest.c
@@ -105,10 +105,9 @@ int line6_wait_dump(struct line6_dump_request *l6dr, int nonblock)
 int line6_dumpreq_initbuf(struct line6_dump_request *l6dr, const void *buf,
 			  size_t len, int num)
 {
-	l6dr->reqbufs[num].buffer = kmalloc(len, GFP_KERNEL);
+	l6dr->reqbufs[num].buffer = kmemdup(buf, len, GFP_KERNEL);
 	if (l6dr->reqbufs[num].buffer == NULL)
 		return -ENOMEM;
-	memcpy(l6dr->reqbufs[num].buffer, buf, len);
 	l6dr->reqbufs[num].length = len;
 	return 0;
 }
diff --git a/drivers/staging/line6/pod.c b/drivers/staging/line6/pod.c
index 4983f2b51cf..28f514611ab 100644
--- a/drivers/staging/line6/pod.c
+++ b/drivers/staging/line6/pod.c
@@ -1074,7 +1074,8 @@ int pod_init(struct usb_interface *interface, struct usb_line6_pod *pod)
 		return -ENOMEM;
 	}
 
-	pod->buffer_versionreq = kmalloc(sizeof(pod_request_version),
+	pod->buffer_versionreq = kmemdup(pod_request_version,
+					 sizeof(pod_request_version),
 					 GFP_KERNEL);
 
 	if (pod->buffer_versionreq == NULL) {
@@ -1083,9 +1084,6 @@ int pod_init(struct usb_interface *interface, struct usb_line6_pod *pod)
 		return -ENOMEM;
 	}
 
-	memcpy(pod->buffer_versionreq, pod_request_version,
-	       sizeof(pod_request_version));
-
 	/* create sysfs entries: */
 	err = pod_create_files2(&interface->dev);
 	if (err < 0) {
diff --git a/drivers/staging/line6/variax.c b/drivers/staging/line6/variax.c
index 28eb89983f3..58ddbe6393f 100644
--- a/drivers/staging/line6/variax.c
+++ b/drivers/staging/line6/variax.c
@@ -486,7 +486,8 @@ int variax_init(struct usb_interface *interface,
 		return err;
 	}
 
-	variax->buffer_activate = kmalloc(sizeof(variax_activate), GFP_KERNEL);
+	variax->buffer_activate = kmemdup(variax_activate,
+					  sizeof(variax_activate), GFP_KERNEL);
 
 	if (variax->buffer_activate == NULL) {
 		dev_err(&interface->dev, "Out of memory\n");
@@ -494,8 +495,6 @@ int variax_init(struct usb_interface *interface,
 		return -ENOMEM;
 	}
 
-	memcpy(variax->buffer_activate, variax_activate,
-	       sizeof(variax_activate));
 	init_timer(&variax->activate_timer);
 
 	/* create sysfs entries: */
diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
index 9fdf2de347e..8c8d1c282e7 100644
--- a/drivers/staging/pohmelfs/config.c
+++ b/drivers/staging/pohmelfs/config.c
@@ -204,18 +204,18 @@ int pohmelfs_copy_crypto(struct pohmelfs_sb *psb)
 	}
 
 	if (g->hash_keysize) {
-		psb->hash_key = kmalloc(g->hash_keysize, GFP_KERNEL);
+		psb->hash_key = kmemdup(g->hash_key, g->hash_keysize,
+					GFP_KERNEL);
 		if (!psb->hash_key)
 			goto err_out_free_cipher_string;
-		memcpy(psb->hash_key, g->hash_key, g->hash_keysize);
 		psb->hash_keysize = g->hash_keysize;
 	}
 
 	if (g->cipher_keysize) {
-		psb->cipher_key = kmalloc(g->cipher_keysize, GFP_KERNEL);
+		psb->cipher_key = kmemdup(g->cipher_key, g->cipher_keysize,
+					  GFP_KERNEL);
 		if (!psb->cipher_key)
 			goto err_out_free_hash;
-		memcpy(psb->cipher_key, g->cipher_key, g->cipher_keysize);
 		psb->cipher_keysize = g->cipher_keysize;
 	}
 
@@ -454,14 +454,12 @@ static int pohmelfs_crypto_hash_init(struct pohmelfs_config_group *g, struct poh
 	g->hash_strlen = c->strlen;
 	g->hash_keysize = c->keysize;
 
-	g->hash_key = kmalloc(c->keysize, GFP_KERNEL);
+	g->hash_key = kmemdup(key, c->keysize, GFP_KERNEL);
 	if (!g->hash_key) {
 		kfree(g->hash_string);
 		return -ENOMEM;
 	}
 
-	memcpy(g->hash_key, key, c->keysize);
-
 	return 0;
 }
 
@@ -479,14 +477,12 @@ static int pohmelfs_crypto_cipher_init(struct pohmelfs_config_group *g, struct p
 	g->cipher_strlen = c->strlen;
 	g->cipher_keysize = c->keysize;
 
-	g->cipher_key = kmalloc(c->keysize, GFP_KERNEL);
+	g->cipher_key = kmemdup(key, c->keysize, GFP_KERNEL);
 	if (!g->cipher_key) {
 		kfree(g->cipher_string);
 		return -ENOMEM;
 	}
 
-	memcpy(g->cipher_key, key, c->keysize);
-
 	return 0;
 }
 
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
index b7426fea549..1b838a266e0 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
@@ -2667,11 +2667,11 @@ static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
 		return -EINVAL;
 
 	if (param->u.wpa_ie.len) {
-		buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
+		buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
+			      GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
 
-		memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = param->u.wpa_ie.len;
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
index aa3ba450ece..07d8dbcdca2 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
@@ -727,10 +727,9 @@ int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
 			printk("len:%zu, ie:%d\n", len, ie[1]);
 			return -EINVAL;
 		}
-		buf = kmalloc(len, GFP_KERNEL);
+		buf = kmemdup(ie, len, GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
-		memcpy(buf, ie, len);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = len;
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
index 215542a00ef..46b6e8c900e 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
@@ -3255,11 +3255,11 @@ static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
 		return -EINVAL;
 
 	if (param->u.wpa_ie.len) {
-		buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
+		buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
+			      GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
 
-		memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = param->u.wpa_ie.len;
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
index fcabaf3c88d..4971b1c8e7d 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
@@ -979,10 +979,9 @@ int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
 			printk("len:%zu, ie:%d\n", len, ie[1]);
 			return -EINVAL;
 		}
-		buf = kmalloc(len, GFP_KERNEL);
+		buf = kmemdup(ie, len, GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
-		memcpy(buf, ie, len);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = len;
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
index b9fa15fccb7..4f1f2f08b2d 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
@@ -2844,11 +2844,11 @@ static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
 		return -EINVAL;
 
 	if (param->u.wpa_ie.len) {
-		buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
+		buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
+			      GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
 
-		memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = param->u.wpa_ie.len;
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
index db54ad096da..2ce5bd543ea 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
@@ -767,10 +767,9 @@ int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
 			printk("len: %Zd, ie:%d\n", len, ie[1]);
 			return -EINVAL;
 		}
-		buf = kmalloc(len, GFP_KERNEL);
+		buf = kmemdup(ie, len, GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
-		memcpy(buf, ie, len);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = len;
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index a6955e2b45c..a2e84c57857 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -1579,10 +1579,9 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
 
 		if(*(t++) == MFIE_TYPE_CHALLENGE){
 			*chlen = *(t++);
-			*challenge = kmalloc(*chlen, GFP_ATOMIC);
+			*challenge = kmemdup(t, *chlen, GFP_ATOMIC);
 			if (!*challenge)
 				return -ENOMEM;
-			memcpy(*challenge, t, *chlen);
 		}
 	}
 
@@ -2870,11 +2869,11 @@ static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
 		return -EINVAL;
 
 	if (param->u.wpa_ie.len) {
-		buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
+		buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
+			      GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
 
-		memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = param->u.wpa_ie.len;
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
index 79b180f79e8..fb78ed2876e 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
@@ -847,10 +847,9 @@ int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
 			printk("len:%zu, ie:%d\n", len, ie[1]);
 			return -EINVAL;
 		}
-		buf = kmalloc(len, GFP_KERNEL);
+		buf = kmemdup(ie, len, GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
-		memcpy(buf, ie, len);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = len;
diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c
index bc267408667..feb9fd7a7bb 100644
--- a/drivers/staging/usbip/stub_rx.c
+++ b/drivers/staging/usbip/stub_rx.c
@@ -502,13 +502,13 @@ static void stub_recv_cmd_submit(struct stub_device *sdev,
 	}
 
 	/* set priv->urb->setup_packet */
-	priv->urb->setup_packet = kzalloc(8, GFP_KERNEL);
+	priv->urb->setup_packet = kmemdup(&pdu->u.cmd_submit.setup, 8,
+					  GFP_KERNEL);
 	if (!priv->urb->setup_packet) {
 		dev_err(&sdev->interface->dev, "allocate setup_packet\n");
 		usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC);
 		return;
 	}
-	memcpy(priv->urb->setup_packet, &pdu->u.cmd_submit.setup, 8);
 
 	/* set other members from the base header of pdu */
 	priv->urb->context                = (void *) priv;

From 9153f7b997aef3fcfd0bf1eededfd76595c7dc0b Mon Sep 17 00:00:00 2001
From: Hank Janssen <hjanssen@microsoft.com>
Date: Sat, 15 May 2010 14:39:58 -0700
Subject: [PATCH 1863/3638] staging: hv: Added heartbeat functionality to
 hv_utils

Add heartbeat functionality to hv_utils/Hyper-V

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/channel_mgmt.c | 23 ++++++++++-
 drivers/staging/hv/hv_utils.c     | 64 +++++++++++++++++++++++++++++++
 drivers/staging/hv/utils.h        |  5 +++
 drivers/staging/hv/version_info.h |  3 +-
 4 files changed, 92 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/channel_mgmt.c b/drivers/staging/hv/channel_mgmt.c
index 6877e8e7f71..3f53b4d1e4c 100644
--- a/drivers/staging/hv/channel_mgmt.c
+++ b/drivers/staging/hv/channel_mgmt.c
@@ -33,8 +33,8 @@ struct vmbus_channel_message_table_entry {
 	void (*messageHandler)(struct vmbus_channel_message_header *msg);
 };
 
-#define MAX_MSG_TYPES                    2
-#define MAX_NUM_DEVICE_CLASSES_SUPPORTED 6
+#define MAX_MSG_TYPES                    3
+#define MAX_NUM_DEVICE_CLASSES_SUPPORTED 7
 
 static const struct hv_guid
 	gSupportedDeviceClasses[MAX_NUM_DEVICE_CLASSES_SUPPORTED] = {
@@ -89,6 +89,14 @@ static const struct hv_guid
 			0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf
 		}
 	},
+	/* {57164f39-9115-4e78-ab55-382f3bd5422d} */
+	/* Heartbeat */
+	{
+		.data = {
+			0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,
+			0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d
+		}
+	},
 };
 
 
@@ -211,6 +219,17 @@ struct hyperv_service_callback hv_cb_utils[MAX_MSG_TYPES] = {
 		.callback = chn_cb_negotiate,
 		.log_msg = "Timesync channel functionality initialized"
 	},
+	/* {57164f39-9115-4e78-ab55-382f3bd5422d} */
+	/* Heartbeat */
+	{
+		.msg_type = HV_HEARTBEAT_MSG,
+		.data = {
+			0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,
+			0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d
+		},
+		.callback = chn_cb_negotiate,
+		.log_msg = "Heartbeat channel functionality initialized"
+	},
 };
 EXPORT_SYMBOL(hv_cb_utils);
 
diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index db45d97a3a7..8a49aafea37 100644
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -194,6 +194,62 @@ static void timesync_onchannelcallback(void *context)
 	DPRINT_EXIT(VMBUS);
 }
 
+/*
+ * Heartbeat functionality.
+ * Every two seconds, Hyper-V send us a heartbeat request message.
+ * we respond to this message, and Hyper-V knows we are alive.
+ */
+static void heartbeat_onchannelcallback(void *context)
+{
+	struct vmbus_channel *channel = context;
+	u8 *buf;
+	u32 buflen, recvlen;
+	u64 requestid;
+	struct icmsg_hdr *icmsghdrp;
+	struct heartbeat_msg_data *heartbeat_msg;
+
+	DPRINT_ENTER(VMBUS);
+
+	buflen = PAGE_SIZE;
+	buf = kmalloc(buflen, GFP_ATOMIC);
+
+	VmbusChannelRecvPacket(channel, buf, buflen, &recvlen, &requestid);
+
+	if (recvlen > 0) {
+		DPRINT_DBG(VMBUS, "heartbeat packet: len=%d, requestid=%lld",
+			   recvlen, requestid);
+
+		icmsghdrp = (struct icmsg_hdr *)&buf[
+			sizeof(struct vmbuspipe_hdr)];
+
+		icmsghdrp = (struct icmsg_hdr *)&buf[
+				sizeof(struct vmbuspipe_hdr)];
+
+		if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
+			prep_negotiate_resp(icmsghdrp, NULL, buf);
+		} else {
+			heartbeat_msg = (struct heartbeat_msg_data *)&buf[
+				sizeof(struct vmbuspipe_hdr) +
+				sizeof(struct icmsg_hdr)];
+
+			DPRINT_DBG(VMBUS, "heartbeat seq = %lld",
+				   heartbeat_msg->seq_num);
+
+			heartbeat_msg->seq_num += 1;
+		}
+
+		icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION
+			| ICMSGHDRFLAG_RESPONSE;
+
+		VmbusChannelSendPacket(channel, buf,
+				       recvlen, requestid,
+				       VmbusPacketTypeDataInBand, 0);
+	}
+
+	kfree(buf);
+
+	DPRINT_EXIT(VMBUS);
+}
 
 static int __init init_hyperv_utils(void)
 {
@@ -207,6 +263,10 @@ static int __init init_hyperv_utils(void)
 		&timesync_onchannelcallback;
 	hv_cb_utils[HV_TIMESYNC_MSG].callback = &timesync_onchannelcallback;
 
+	hv_cb_utils[HV_HEARTBEAT_MSG].channel->OnChannelCallback =
+		&heartbeat_onchannelcallback;
+	hv_cb_utils[HV_HEARTBEAT_MSG].callback = &heartbeat_onchannelcallback;
+
 	return 0;
 }
 
@@ -221,6 +281,10 @@ static void exit_hyperv_utils(void)
 	hv_cb_utils[HV_TIMESYNC_MSG].channel->OnChannelCallback =
 		&chn_cb_negotiate;
 	hv_cb_utils[HV_TIMESYNC_MSG].callback = &chn_cb_negotiate;
+
+	hv_cb_utils[HV_HEARTBEAT_MSG].channel->OnChannelCallback =
+		&chn_cb_negotiate;
+	hv_cb_utils[HV_HEARTBEAT_MSG].callback = &chn_cb_negotiate;
 }
 
 module_init(init_hyperv_utils);
diff --git a/drivers/staging/hv/utils.h b/drivers/staging/hv/utils.h
index a4b9fd06e27..7c0749999a6 100644
--- a/drivers/staging/hv/utils.h
+++ b/drivers/staging/hv/utils.h
@@ -75,6 +75,10 @@ struct shutdown_msg_data {
 	u8  display_message[2048];
 } __attribute__((packed));
 
+struct heartbeat_msg_data {
+	u64 seq_num;
+	u32 reserved[8];
+} __attribute__((packed));
 
 /* Time Sync IC defs */
 #define ICTIMESYNCFLAG_PROBE	0
@@ -97,6 +101,7 @@ struct ictimesync_data{
 /* Index for each IC struct in array hv_cb_utils[] */
 #define HV_SHUTDOWN_MSG		0
 #define HV_TIMESYNC_MSG		1
+#define HV_HEARTBEAT_MSG	2
 
 struct hyperv_service_callback {
 	u8 msg_type;
diff --git a/drivers/staging/hv/version_info.h b/drivers/staging/hv/version_info.h
index 82e74b1ab15..35178f2c796 100644
--- a/drivers/staging/hv/version_info.h
+++ b/drivers/staging/hv/version_info.h
@@ -40,8 +40,9 @@
  *	Minor Number	Changes when new functionality is added
  *			to the Linux IC's that is not a bug fix.
  *
+ * 3.1 - Added completed hv_utils driver. Shutdown/Heartbeat/Timesync
  */
-#define HV_DRV_VERSION           "3.0"
+#define HV_DRV_VERSION           "3.1"
 
 
 #endif

From 59497bba59035a2b09ac21f96bb904d1101bd95f Mon Sep 17 00:00:00 2001
From: Christoph Fritz <chf.fritz@googlemail.com>
Date: Sun, 16 May 2010 23:45:59 +0200
Subject: [PATCH 1864/3638] Staging: wlan-ng prism2usb: add suspend/resume

There is no need trying to load the (even in most cases) not availible
firmware after suspend. This saves about 30 secounds on reset waiting
for timeout.

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/prism2usb.c | 65 +++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
index 501d27f74c7..f5cff751db2 100644
--- a/drivers/staging/wlan-ng/prism2usb.c
+++ b/drivers/staging/wlan-ng/prism2usb.c
@@ -285,11 +285,76 @@ exit:
 	usb_set_intfdata(interface, NULL);
 }
 
+#ifdef CONFIG_PM
+static int prism2sta_suspend(struct usb_interface *interface,
+				pm_message_t message)
+{
+	hfa384x_t *hw = NULL;
+	wlandevice_t *wlandev;
+	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
+	if (!wlandev)
+		return -ENODEV;
+
+	hw = wlandev->priv;
+	if (!hw)
+		return -ENODEV;
+
+	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+
+	usb_kill_urb(&hw->rx_urb);
+	usb_kill_urb(&hw->tx_urb);
+	usb_kill_urb(&hw->ctlx_urb);
+
+	return 0;
+}
+
+static int prism2sta_resume(struct usb_interface *interface)
+{
+	int result = 0;
+	hfa384x_t *hw = NULL;
+	wlandevice_t *wlandev;
+	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
+	if (!wlandev)
+		return -ENODEV;
+
+	hw = wlandev->priv;
+	if (!hw)
+		return -ENODEV;
+
+	/* Do a chip-level reset on the MAC */
+	if (prism2_doreset) {
+		result = hfa384x_corereset(hw,
+					   prism2_reset_holdtime,
+					   prism2_reset_settletime, 0);
+		if (result != 0) {
+			unregister_wlandev(wlandev);
+			hfa384x_destroy(hw);
+			printk(KERN_ERR
+			       "%s: hfa384x_corereset() failed.\n", dev_info);
+			kfree(wlandev);
+			kfree(hw);
+			wlandev = NULL;
+			return -ENODEV;
+		}
+	}
+
+	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
+
+	return 0;
+}
+#else
+#define prism2sta_suspend NULL
+#define prism2sta_resume NULL
+#endif /* CONFIG_PM */
+
 static struct usb_driver prism2_usb_driver = {
 	.name = "prism2_usb",
 	.probe = prism2sta_probe_usb,
 	.disconnect = prism2sta_disconnect_usb,
 	.id_table = usb_prism_tbl,
+	.suspend = prism2sta_suspend,
+	.resume = prism2sta_resume,
+	.reset_resume = prism2sta_resume,
 	/* fops, minor? */
 };
 

From 45bb912bd5ea4d2b3a270a93cbdf767a0e2df6f5 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Fri, 14 May 2010 17:10:48 +0200
Subject: [PATCH 1865/3638] drbd: Allow drbd_epoch_entries to use multiple
 bios. This should allow for better performance if the lower level IO stack of
 the peers differs in limits exposed either via the queue, or via some
 merge_bvec_fn.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h      |  90 +++++-
 drivers/block/drbd/drbd_main.c     |  19 +-
 drivers/block/drbd/drbd_nl.c       |  18 +-
 drivers/block/drbd/drbd_receiver.c | 483 ++++++++++++++++-------------
 drivers/block/drbd/drbd_worker.c   | 178 ++++++-----
 drivers/block/drbd/drbd_wrappers.h |  16 +-
 6 files changed, 480 insertions(+), 324 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 1bc86ddac38..4b97f30bb7c 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -740,18 +740,6 @@ enum epoch_event {
 	EV_CLEANUP = 32, /* used as flag */
 };
 
-struct drbd_epoch_entry {
-	struct drbd_work    w;
-	struct drbd_conf *mdev;
-	struct bio *private_bio;
-	struct hlist_node colision;
-	sector_t sector;
-	unsigned int size;
-	unsigned int flags;
-	struct drbd_epoch *epoch;
-	u64    block_id;
-};
-
 struct drbd_wq_barrier {
 	struct drbd_work w;
 	struct completion done;
@@ -762,17 +750,49 @@ struct digest_info {
 	void *digest;
 };
 
-/* ee flag bits */
+struct drbd_epoch_entry {
+	struct drbd_work w;
+	struct hlist_node colision;
+	struct drbd_epoch *epoch;
+	struct drbd_conf *mdev;
+	struct page *pages;
+	atomic_t pending_bios;
+	unsigned int size;
+	/* see comments on ee flag bits below */
+	unsigned long flags;
+	sector_t sector;
+	u64 block_id;
+};
+
+/* ee flag bits.
+ * While corresponding bios are in flight, the only modification will be
+ * set_bit WAS_ERROR, which has to be atomic.
+ * If no bios are in flight yet, or all have been completed,
+ * non-atomic modification to ee->flags is ok.
+ */
 enum {
 	__EE_CALL_AL_COMPLETE_IO,
-	__EE_CONFLICT_PENDING,
 	__EE_MAY_SET_IN_SYNC,
+
+	/* This epoch entry closes an epoch using a barrier.
+	 * On sucessful completion, the epoch is released,
+	 * and the P_BARRIER_ACK send. */
 	__EE_IS_BARRIER,
+
+	/* In case a barrier failed,
+	 * we need to resubmit without the barrier flag. */
+	__EE_RESUBMITTED,
+
+	/* we may have several bios per epoch entry.
+	 * if any of those fail, we set this flag atomically
+	 * from the endio callback */
+	__EE_WAS_ERROR,
 };
 #define EE_CALL_AL_COMPLETE_IO (1<<__EE_CALL_AL_COMPLETE_IO)
-#define EE_CONFLICT_PENDING    (1<<__EE_CONFLICT_PENDING)
 #define EE_MAY_SET_IN_SYNC     (1<<__EE_MAY_SET_IN_SYNC)
 #define EE_IS_BARRIER          (1<<__EE_IS_BARRIER)
+#define	EE_RESUBMITTED         (1<<__EE_RESUBMITTED)
+#define EE_WAS_ERROR           (1<<__EE_WAS_ERROR)
 
 /* global flag bits */
 enum {
@@ -1441,7 +1461,8 @@ static inline void ov_oos_print(struct drbd_conf *mdev)
 }
 
 
-extern void drbd_csum(struct drbd_conf *, struct crypto_hash *, struct bio *, void *);
+extern void drbd_csum_bio(struct drbd_conf *, struct crypto_hash *, struct bio *, void *);
+extern void drbd_csum_ee(struct drbd_conf *, struct crypto_hash *, struct drbd_epoch_entry *, void *);
 /* worker callbacks */
 extern int w_req_cancel_conflict(struct drbd_conf *, struct drbd_work *, int);
 extern int w_read_retry_remote(struct drbd_conf *, struct drbd_work *, int);
@@ -1465,6 +1486,8 @@ extern int w_e_reissue(struct drbd_conf *, struct drbd_work *, int);
 extern void resync_timer_fn(unsigned long data);
 
 /* drbd_receiver.c */
+extern int drbd_submit_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e,
+		const unsigned rw, const int fault_type);
 extern int drbd_release_ee(struct drbd_conf *mdev, struct list_head *list);
 extern struct drbd_epoch_entry *drbd_alloc_ee(struct drbd_conf *mdev,
 					    u64 id,
@@ -1620,6 +1643,41 @@ void drbd_bcast_ee(struct drbd_conf *mdev,
  * inline helper functions
  *************************/
 
+/* see also page_chain_add and friends in drbd_receiver.c */
+static inline struct page *page_chain_next(struct page *page)
+{
+	return (struct page *)page_private(page);
+}
+#define page_chain_for_each(page) \
+	for (; page && ({ prefetch(page_chain_next(page)); 1; }); \
+			page = page_chain_next(page))
+#define page_chain_for_each_safe(page, n) \
+	for (; page && ({ n = page_chain_next(page); 1; }); page = n)
+
+static inline int drbd_bio_has_active_page(struct bio *bio)
+{
+	struct bio_vec *bvec;
+	int i;
+
+	__bio_for_each_segment(bvec, bio, i, 0) {
+		if (page_count(bvec->bv_page) > 1)
+			return 1;
+	}
+
+	return 0;
+}
+
+static inline int drbd_ee_has_active_page(struct drbd_epoch_entry *e)
+{
+	struct page *page = e->pages;
+	page_chain_for_each(page) {
+		if (page_count(page) > 1)
+			return 1;
+	}
+	return 0;
+}
+
+
 static inline void drbd_state_lock(struct drbd_conf *mdev)
 {
 	wait_event(mdev->misc_wait,
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 3aa0add1c23..d0fabace145 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2354,6 +2354,19 @@ static int _drbd_send_zc_bio(struct drbd_conf *mdev, struct bio *bio)
 	return 1;
 }
 
+static int _drbd_send_zc_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e)
+{
+	struct page *page = e->pages;
+	unsigned len = e->size;
+	page_chain_for_each(page) {
+		unsigned l = min_t(unsigned, len, PAGE_SIZE);
+		if (!_drbd_send_page(mdev, page, 0, l))
+			return 0;
+		len -= l;
+	}
+	return 1;
+}
+
 static void consider_delay_probes(struct drbd_conf *mdev)
 {
 	if (mdev->state.conn != C_SYNC_SOURCE || mdev->agreed_pro_version < 93)
@@ -2430,7 +2443,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
 		drbd_send(mdev, mdev->data.socket, &p, sizeof(p), MSG_MORE));
 	if (ok && dgs) {
 		dgb = mdev->int_dig_out;
-		drbd_csum(mdev, mdev->integrity_w_tfm, req->master_bio, dgb);
+		drbd_csum_bio(mdev, mdev->integrity_w_tfm, req->master_bio, dgb);
 		ok = drbd_send(mdev, mdev->data.socket, dgb, dgs, MSG_MORE);
 	}
 	if (ok) {
@@ -2483,11 +2496,11 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packets cmd,
 					sizeof(p), MSG_MORE);
 	if (ok && dgs) {
 		dgb = mdev->int_dig_out;
-		drbd_csum(mdev, mdev->integrity_w_tfm, e->private_bio, dgb);
+		drbd_csum_ee(mdev, mdev->integrity_w_tfm, e, dgb);
 		ok = drbd_send(mdev, mdev->data.socket, dgb, dgs, MSG_MORE);
 	}
 	if (ok)
-		ok = _drbd_send_zc_bio(mdev, e->private_bio);
+		ok = _drbd_send_zc_ee(mdev, e);
 
 	drbd_put_data_sock(mdev);
 
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 93d150661f4..28ef76bd523 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -2215,9 +2215,9 @@ void drbd_bcast_ee(struct drbd_conf *mdev,
 {
 	struct cn_msg *cn_reply;
 	struct drbd_nl_cfg_reply *reply;
-	struct bio_vec *bvec;
 	unsigned short *tl;
-	int i;
+	struct page *page;
+	unsigned len;
 
 	if (!e)
 		return;
@@ -2255,11 +2255,15 @@ void drbd_bcast_ee(struct drbd_conf *mdev,
 	put_unaligned(T_ee_data, tl++);
 	put_unaligned(e->size, tl++);
 
-	__bio_for_each_segment(bvec, e->private_bio, i, 0) {
-		void *d = kmap(bvec->bv_page);
-		memcpy(tl, d + bvec->bv_offset, bvec->bv_len);
-		kunmap(bvec->bv_page);
-		tl=(unsigned short*)((char*)tl + bvec->bv_len);
+	len = e->size;
+	page = e->pages;
+	page_chain_for_each(page) {
+		void *d = kmap_atomic(page, KM_USER0);
+		unsigned l = min_t(unsigned, len, PAGE_SIZE);
+		memcpy(tl, d, l);
+		kunmap_atomic(d, KM_USER0);
+		tl = (unsigned short*)((char*)tl + l);
+		len -= l;
 	}
 	put_unaligned(TT_END, tl++); /* Close the tag list */
 
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index fee0d249adf..388a3e8bb0d 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -80,30 +80,124 @@ static struct drbd_epoch *previous_epoch(struct drbd_conf *mdev, struct drbd_epo
 
 #define GFP_TRY	(__GFP_HIGHMEM | __GFP_NOWARN)
 
-static struct page *drbd_pp_first_page_or_try_alloc(struct drbd_conf *mdev)
+/*
+ * some helper functions to deal with single linked page lists,
+ * page->private being our "next" pointer.
+ */
+
+/* If at least n pages are linked at head, get n pages off.
+ * Otherwise, don't modify head, and return NULL.
+ * Locking is the responsibility of the caller.
+ */
+static struct page *page_chain_del(struct page **head, int n)
+{
+	struct page *page;
+	struct page *tmp;
+
+	BUG_ON(!n);
+	BUG_ON(!head);
+
+	page = *head;
+	while (page) {
+		tmp = page_chain_next(page);
+		if (--n == 0)
+			break; /* found sufficient pages */
+		if (tmp == NULL)
+			/* insufficient pages, don't use any of them. */
+			return NULL;
+		page = tmp;
+	}
+
+	/* add end of list marker for the returned list */
+	set_page_private(page, 0);
+	/* actual return value, and adjustment of head */
+	page = *head;
+	*head = tmp;
+	return page;
+}
+
+/* may be used outside of locks to find the tail of a (usually short)
+ * "private" page chain, before adding it back to a global chain head
+ * with page_chain_add() under a spinlock. */
+static struct page *page_chain_tail(struct page *page, int *len)
+{
+	struct page *tmp;
+	int i = 1;
+	while ((tmp = page_chain_next(page)))
+		++i, page = tmp;
+	if (len)
+		*len = i;
+	return page;
+}
+
+static int page_chain_free(struct page *page)
+{
+	struct page *tmp;
+	int i = 0;
+	page_chain_for_each_safe(page, tmp) {
+		put_page(page);
+		++i;
+	}
+	return i;
+}
+
+static void page_chain_add(struct page **head,
+		struct page *chain_first, struct page *chain_last)
+{
+#if 1
+	struct page *tmp;
+	tmp = page_chain_tail(chain_first, NULL);
+	BUG_ON(tmp != chain_last);
+#endif
+
+	/* add chain to head */
+	set_page_private(chain_last, (unsigned long)*head);
+	*head = chain_first;
+}
+
+static struct page *drbd_pp_first_pages_or_try_alloc(struct drbd_conf *mdev, int number)
 {
 	struct page *page = NULL;
+	struct page *tmp = NULL;
+	int i = 0;
 
 	/* Yes, testing drbd_pp_vacant outside the lock is racy.
 	 * So what. It saves a spin_lock. */
-	if (drbd_pp_vacant > 0) {
+	if (drbd_pp_vacant >= number) {
 		spin_lock(&drbd_pp_lock);
-		page = drbd_pp_pool;
-		if (page) {
-			drbd_pp_pool = (struct page *)page_private(page);
-			set_page_private(page, 0); /* just to be polite */
-			drbd_pp_vacant--;
-		}
+		page = page_chain_del(&drbd_pp_pool, number);
+		if (page)
+			drbd_pp_vacant -= number;
 		spin_unlock(&drbd_pp_lock);
+		if (page)
+			return page;
 	}
+
 	/* GFP_TRY, because we must not cause arbitrary write-out: in a DRBD
 	 * "criss-cross" setup, that might cause write-out on some other DRBD,
 	 * which in turn might block on the other node at this very place.  */
-	if (!page)
-		page = alloc_page(GFP_TRY);
-	if (page)
-		atomic_inc(&mdev->pp_in_use);
-	return page;
+	for (i = 0; i < number; i++) {
+		tmp = alloc_page(GFP_TRY);
+		if (!tmp)
+			break;
+		set_page_private(tmp, (unsigned long)page);
+		page = tmp;
+	}
+
+	if (i == number)
+		return page;
+
+	/* Not enough pages immediately available this time.
+	 * No need to jump around here, drbd_pp_alloc will retry this
+	 * function "soon". */
+	if (page) {
+		tmp = page_chain_tail(page, NULL);
+		spin_lock(&drbd_pp_lock);
+		page_chain_add(&drbd_pp_pool, page, tmp);
+		drbd_pp_vacant += i;
+		spin_unlock(&drbd_pp_lock);
+	}
+	return NULL;
 }
 
 /* kick lower level device, if we have more than (arbitrary number)
@@ -127,7 +221,7 @@ static void reclaim_net_ee(struct drbd_conf *mdev, struct list_head *to_be_freed
 
 	list_for_each_safe(le, tle, &mdev->net_ee) {
 		e = list_entry(le, struct drbd_epoch_entry, w.list);
-		if (drbd_bio_has_active_page(e->private_bio))
+		if (drbd_ee_has_active_page(e))
 			break;
 		list_move(le, to_be_freed);
 	}
@@ -148,32 +242,34 @@ static void drbd_kick_lo_and_reclaim_net(struct drbd_conf *mdev)
 }
 
 /**
- * drbd_pp_alloc() - Returns a page, fails only if a signal comes in
+ * drbd_pp_alloc() - Returns @number pages, retries forever (or until signalled)
  * @mdev:	DRBD device.
- * @retry:	whether or not to retry allocation forever (or until signalled)
+ * @number:	number of pages requested
+ * @retry:	whether to retry, if not enough pages are available right now
  *
- * Tries to allocate a page, first from our own page pool, then from the
- * kernel, unless this allocation would exceed the max_buffers setting.
- * If @retry is non-zero, retry until DRBD frees a page somewhere else.
+ * Tries to allocate number pages, first from our own page pool, then from
+ * the kernel, unless this allocation would exceed the max_buffers setting.
+ * Possibly retry until DRBD frees sufficient pages somewhere else.
+ *
+ * Returns a page chain linked via page->private.
  */
-static struct page *drbd_pp_alloc(struct drbd_conf *mdev, int retry)
+static struct page *drbd_pp_alloc(struct drbd_conf *mdev, unsigned number, bool retry)
 {
 	struct page *page = NULL;
 	DEFINE_WAIT(wait);
 
-	if (atomic_read(&mdev->pp_in_use) < mdev->net_conf->max_buffers) {
-		page = drbd_pp_first_page_or_try_alloc(mdev);
-		if (page)
-			return page;
-	}
+	/* Yes, we may run up to @number over max_buffers. If we
+	 * follow it strictly, the admin will get it wrong anyways. */
+	if (atomic_read(&mdev->pp_in_use) < mdev->net_conf->max_buffers)
+		page = drbd_pp_first_pages_or_try_alloc(mdev, number);
 
-	for (;;) {
+	while (page == NULL) {
 		prepare_to_wait(&drbd_pp_wait, &wait, TASK_INTERRUPTIBLE);
 
 		drbd_kick_lo_and_reclaim_net(mdev);
 
 		if (atomic_read(&mdev->pp_in_use) < mdev->net_conf->max_buffers) {
-			page = drbd_pp_first_page_or_try_alloc(mdev);
+			page = drbd_pp_first_pages_or_try_alloc(mdev, number);
 			if (page)
 				break;
 		}
@@ -190,62 +286,32 @@ static struct page *drbd_pp_alloc(struct drbd_conf *mdev, int retry)
 	}
 	finish_wait(&drbd_pp_wait, &wait);
 
+	if (page)
+		atomic_add(number, &mdev->pp_in_use);
 	return page;
 }
 
 /* Must not be used from irq, as that may deadlock: see drbd_pp_alloc.
- * Is also used from inside an other spin_lock_irq(&mdev->req_lock) */
+ * Is also used from inside an other spin_lock_irq(&mdev->req_lock);
+ * Either links the page chain back to the global pool,
+ * or returns all pages to the system. */
 static void drbd_pp_free(struct drbd_conf *mdev, struct page *page)
 {
-	int free_it;
-
-	spin_lock(&drbd_pp_lock);
-	if (drbd_pp_vacant > (DRBD_MAX_SEGMENT_SIZE/PAGE_SIZE)*minor_count) {
-		free_it = 1;
-	} else {
-		set_page_private(page, (unsigned long)drbd_pp_pool);
-		drbd_pp_pool = page;
-		drbd_pp_vacant++;
-		free_it = 0;
-	}
-	spin_unlock(&drbd_pp_lock);
-
-	atomic_dec(&mdev->pp_in_use);
-
-	if (free_it)
-		__free_page(page);
-
-	wake_up(&drbd_pp_wait);
-}
-
-static void drbd_pp_free_bio_pages(struct drbd_conf *mdev, struct bio *bio)
-{
-	struct page *p_to_be_freed = NULL;
-	struct page *page;
-	struct bio_vec *bvec;
 	int i;
-
-	spin_lock(&drbd_pp_lock);
-	__bio_for_each_segment(bvec, bio, i, 0) {
-		if (drbd_pp_vacant > (DRBD_MAX_SEGMENT_SIZE/PAGE_SIZE)*minor_count) {
-			set_page_private(bvec->bv_page, (unsigned long)p_to_be_freed);
-			p_to_be_freed = bvec->bv_page;
-		} else {
-			set_page_private(bvec->bv_page, (unsigned long)drbd_pp_pool);
-			drbd_pp_pool = bvec->bv_page;
-			drbd_pp_vacant++;
-		}
+	if (drbd_pp_vacant > (DRBD_MAX_SEGMENT_SIZE/PAGE_SIZE)*minor_count)
+		i = page_chain_free(page);
+	else {
+		struct page *tmp;
+		tmp = page_chain_tail(page, &i);
+		spin_lock(&drbd_pp_lock);
+		page_chain_add(&drbd_pp_pool, page, tmp);
+		drbd_pp_vacant += i;
+		spin_unlock(&drbd_pp_lock);
 	}
-	spin_unlock(&drbd_pp_lock);
-	atomic_sub(bio->bi_vcnt, &mdev->pp_in_use);
-
-	while (p_to_be_freed) {
-		page = p_to_be_freed;
-		p_to_be_freed = (struct page *)page_private(page);
-		set_page_private(page, 0); /* just to be polite */
-		put_page(page);
-	}
-
+	atomic_sub(i, &mdev->pp_in_use);
+	i = atomic_read(&mdev->pp_in_use);
+	if (i < 0)
+		dev_warn(DEV, "ASSERTION FAILED: pp_in_use: %d < 0\n", i);
 	wake_up(&drbd_pp_wait);
 }
 
@@ -270,11 +336,9 @@ struct drbd_epoch_entry *drbd_alloc_ee(struct drbd_conf *mdev,
 				     unsigned int data_size,
 				     gfp_t gfp_mask) __must_hold(local)
 {
-	struct request_queue *q;
 	struct drbd_epoch_entry *e;
 	struct page *page;
-	struct bio *bio;
-	unsigned int ds;
+	unsigned nr_pages = (data_size + PAGE_SIZE -1) >> PAGE_SHIFT;
 
 	if (FAULT_ACTIVE(mdev, DRBD_FAULT_AL_EE))
 		return NULL;
@@ -286,84 +350,32 @@ struct drbd_epoch_entry *drbd_alloc_ee(struct drbd_conf *mdev,
 		return NULL;
 	}
 
-	bio = bio_alloc(gfp_mask & ~__GFP_HIGHMEM, div_ceil(data_size, PAGE_SIZE));
-	if (!bio) {
-		if (!(gfp_mask & __GFP_NOWARN))
-			dev_err(DEV, "alloc_ee: Allocation of a bio failed\n");
-		goto fail1;
-	}
+	page = drbd_pp_alloc(mdev, nr_pages, (gfp_mask & __GFP_WAIT));
+	if (!page)
+		goto fail;
 
-	bio->bi_bdev = mdev->ldev->backing_bdev;
-	bio->bi_sector = sector;
-
-	ds = data_size;
-	while (ds) {
-		page = drbd_pp_alloc(mdev, (gfp_mask & __GFP_WAIT));
-		if (!page) {
-			if (!(gfp_mask & __GFP_NOWARN))
-				dev_err(DEV, "alloc_ee: Allocation of a page failed\n");
-			goto fail2;
-		}
-		if (!bio_add_page(bio, page, min_t(int, ds, PAGE_SIZE), 0)) {
-			drbd_pp_free(mdev, page);
-			dev_err(DEV, "alloc_ee: bio_add_page(s=%llu,"
-			    "data_size=%u,ds=%u) failed\n",
-			    (unsigned long long)sector, data_size, ds);
-
-			q = bdev_get_queue(bio->bi_bdev);
-			if (q->merge_bvec_fn) {
-				struct bvec_merge_data bvm = {
-					.bi_bdev = bio->bi_bdev,
-					.bi_sector = bio->bi_sector,
-					.bi_size = bio->bi_size,
-					.bi_rw = bio->bi_rw,
-				};
-				int l = q->merge_bvec_fn(q, &bvm,
-						&bio->bi_io_vec[bio->bi_vcnt]);
-				dev_err(DEV, "merge_bvec_fn() = %d\n", l);
-			}
-
-			/* dump more of the bio. */
-			dev_err(DEV, "bio->bi_max_vecs = %d\n", bio->bi_max_vecs);
-			dev_err(DEV, "bio->bi_vcnt = %d\n", bio->bi_vcnt);
-			dev_err(DEV, "bio->bi_size = %d\n", bio->bi_size);
-			dev_err(DEV, "bio->bi_phys_segments = %d\n", bio->bi_phys_segments);
-
-			goto fail2;
-			break;
-		}
-		ds -= min_t(int, ds, PAGE_SIZE);
-	}
-
-	D_ASSERT(data_size == bio->bi_size);
-
-	bio->bi_private = e;
-	e->mdev = mdev;
-	e->sector = sector;
-	e->size = bio->bi_size;
-
-	e->private_bio = bio;
-	e->block_id = id;
 	INIT_HLIST_NODE(&e->colision);
 	e->epoch = NULL;
+	e->mdev = mdev;
+	e->pages = page;
+	atomic_set(&e->pending_bios, 0);
+	e->size = data_size;
 	e->flags = 0;
+	e->sector = sector;
+	e->sector = sector;
+	e->block_id = id;
 
 	return e;
 
- fail2:
-	drbd_pp_free_bio_pages(mdev, bio);
-	bio_put(bio);
- fail1:
+ fail:
 	mempool_free(e, drbd_ee_mempool);
-
 	return NULL;
 }
 
 void drbd_free_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e)
 {
-	struct bio *bio = e->private_bio;
-	drbd_pp_free_bio_pages(mdev, bio);
-	bio_put(bio);
+	drbd_pp_free(mdev, e->pages);
+	D_ASSERT(atomic_read(&e->pending_bios) == 0);
 	D_ASSERT(hlist_unhashed(&e->colision));
 	mempool_free(e, drbd_ee_mempool);
 }
@@ -1120,6 +1132,90 @@ void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo)
 		dev_info(DEV, "Method to ensure write ordering: %s\n", write_ordering_str[mdev->write_ordering]);
 }
 
+/**
+ * drbd_submit_ee()
+ * @mdev:	DRBD device.
+ * @e:		epoch entry
+ * @rw:		flag field, see bio->bi_rw
+ */
+/* TODO allocate from our own bio_set. */
+int drbd_submit_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e,
+		const unsigned rw, const int fault_type)
+{
+	struct bio *bios = NULL;
+	struct bio *bio;
+	struct page *page = e->pages;
+	sector_t sector = e->sector;
+	unsigned ds = e->size;
+	unsigned n_bios = 0;
+	unsigned nr_pages = (ds + PAGE_SIZE -1) >> PAGE_SHIFT;
+
+	/* In most cases, we will only need one bio.  But in case the lower
+	 * level restrictions happen to be different at this offset on this
+	 * side than those of the sending peer, we may need to submit the
+	 * request in more than one bio. */
+next_bio:
+	bio = bio_alloc(GFP_NOIO, nr_pages);
+	if (!bio) {
+		dev_err(DEV, "submit_ee: Allocation of a bio failed\n");
+		goto fail;
+	}
+	/* > e->sector, unless this is the first bio */
+	bio->bi_sector = sector;
+	bio->bi_bdev = mdev->ldev->backing_bdev;
+	/* we special case some flags in the multi-bio case, see below
+	 * (BIO_RW_UNPLUG, BIO_RW_BARRIER) */
+	bio->bi_rw = rw;
+	bio->bi_private = e;
+	bio->bi_end_io = drbd_endio_sec;
+
+	bio->bi_next = bios;
+	bios = bio;
+	++n_bios;
+
+	page_chain_for_each(page) {
+		unsigned len = min_t(unsigned, ds, PAGE_SIZE);
+		if (!bio_add_page(bio, page, len, 0)) {
+			/* a single page must always be possible! */
+			BUG_ON(bio->bi_vcnt == 0);
+			goto next_bio;
+		}
+		ds -= len;
+		sector += len >> 9;
+		--nr_pages;
+	}
+	D_ASSERT(page == NULL);
+	D_ASSERT(ds == 0);
+
+	atomic_set(&e->pending_bios, n_bios);
+	do {
+		bio = bios;
+		bios = bios->bi_next;
+		bio->bi_next = NULL;
+
+		/* strip off BIO_RW_UNPLUG unless it is the last bio */
+		if (bios)
+			bio->bi_rw &= ~(1<<BIO_RW_UNPLUG);
+
+		drbd_generic_make_request(mdev, fault_type, bio);
+
+		/* strip off BIO_RW_BARRIER,
+		 * unless it is the first or last bio */
+		if (bios && bios->bi_next)
+			bios->bi_rw &= ~(1<<BIO_RW_BARRIER);
+	} while (bios);
+	maybe_kick_lo(mdev);
+	return 0;
+
+fail:
+	while (bios) {
+		bio = bios;
+		bios = bios->bi_next;
+		bio_put(bio);
+	}
+	return -ENOMEM;
+}
+
 /**
  * w_e_reissue() - Worker callback; Resubmit a bio, without BIO_RW_BARRIER set
  * @mdev:	DRBD device.
@@ -1129,8 +1225,6 @@ void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo)
 int w_e_reissue(struct drbd_conf *mdev, struct drbd_work *w, int cancel) __releases(local)
 {
 	struct drbd_epoch_entry *e = (struct drbd_epoch_entry *)w;
-	struct bio *bio = e->private_bio;
-
 	/* We leave DE_CONTAINS_A_BARRIER and EE_IS_BARRIER in place,
 	   (and DE_BARRIER_IN_NEXT_EPOCH_ISSUED in the previous Epoch)
 	   so that we can finish that epoch in drbd_may_finish_epoch().
@@ -1144,33 +1238,17 @@ int w_e_reissue(struct drbd_conf *mdev, struct drbd_work *w, int cancel) __relea
 	if (previous_epoch(mdev, e->epoch))
 		dev_warn(DEV, "Write ordering was not enforced (one time event)\n");
 
-	/* prepare bio for re-submit,
-	 * re-init volatile members */
 	/* we still have a local reference,
 	 * get_ldev was done in receive_Data. */
-	bio->bi_bdev = mdev->ldev->backing_bdev;
-	bio->bi_sector = e->sector;
-	bio->bi_size = e->size;
-	bio->bi_idx = 0;
-
-	bio->bi_flags &= ~(BIO_POOL_MASK - 1);
-	bio->bi_flags |= 1 << BIO_UPTODATE;
-
-	/* don't know whether this is necessary: */
-	bio->bi_phys_segments = 0;
-	bio->bi_next = NULL;
-
-	/* these should be unchanged: */
-	/* bio->bi_end_io = drbd_endio_write_sec; */
-	/* bio->bi_vcnt = whatever; */
 
 	e->w.cb = e_end_block;
-
-	/* This is no longer a barrier request. */
-	bio->bi_rw &= ~(1UL << BIO_RW_BARRIER);
-
-	drbd_generic_make_request(mdev, DRBD_FAULT_DT_WR, bio);
-
+	if (drbd_submit_ee(mdev, e, WRITE, DRBD_FAULT_DT_WR) != 0) {
+		/* drbd_submit_ee fails for one reason only:
+		 * if was not able to allocate sufficient bios.
+		 * requeue, try again later. */
+		e->w.cb = w_e_reissue;
+		drbd_queue_work(&mdev->data.work, &e->w);
+	}
 	return 1;
 }
 
@@ -1264,10 +1342,8 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __
 {
 	const sector_t capacity = drbd_get_capacity(mdev->this_bdev);
 	struct drbd_epoch_entry *e;
-	struct bio_vec *bvec;
 	struct page *page;
-	struct bio *bio;
-	int dgs, ds, i, rr;
+	int dgs, ds, rr;
 	void *dig_in = mdev->int_dig_in;
 	void *dig_vv = mdev->int_dig_vv;
 	unsigned long *data;
@@ -1304,28 +1380,29 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __
 	e = drbd_alloc_ee(mdev, id, sector, data_size, GFP_NOIO);
 	if (!e)
 		return NULL;
-	bio = e->private_bio;
+
 	ds = data_size;
-	bio_for_each_segment(bvec, bio, i) {
-		page = bvec->bv_page;
+	page = e->pages;
+	page_chain_for_each(page) {
+		unsigned len = min_t(int, ds, PAGE_SIZE);
 		data = kmap(page);
-		rr = drbd_recv(mdev, data, min_t(int, ds, PAGE_SIZE));
+		rr = drbd_recv(mdev, data, len);
 		if (FAULT_ACTIVE(mdev, DRBD_FAULT_RECEIVE)) {
 			dev_err(DEV, "Fault injection: Corrupting data on receive\n");
 			data[0] = data[0] ^ (unsigned long)-1;
 		}
 		kunmap(page);
-		if (rr != min_t(int, ds, PAGE_SIZE)) {
+		if (rr != len) {
 			drbd_free_ee(mdev, e);
 			dev_warn(DEV, "short read receiving data: read %d expected %d\n",
-			     rr, min_t(int, ds, PAGE_SIZE));
+			     rr, len);
 			return NULL;
 		}
 		ds -= rr;
 	}
 
 	if (dgs) {
-		drbd_csum(mdev, mdev->integrity_r_tfm, bio, dig_vv);
+		drbd_csum_ee(mdev, mdev->integrity_r_tfm, e, dig_vv);
 		if (memcmp(dig_in, dig_vv, dgs)) {
 			dev_err(DEV, "Digest integrity check FAILED.\n");
 			drbd_bcast_ee(mdev, "digest failed",
@@ -1350,7 +1427,7 @@ static int drbd_drain_block(struct drbd_conf *mdev, int data_size)
 	if (!data_size)
 		return TRUE;
 
-	page = drbd_pp_alloc(mdev, 1);
+	page = drbd_pp_alloc(mdev, 1, 1);
 
 	data = kmap(page);
 	while (data_size) {
@@ -1414,7 +1491,7 @@ static int recv_dless_read(struct drbd_conf *mdev, struct drbd_request *req,
 	}
 
 	if (dgs) {
-		drbd_csum(mdev, mdev->integrity_r_tfm, bio, dig_vv);
+		drbd_csum_bio(mdev, mdev->integrity_r_tfm, bio, dig_vv);
 		if (memcmp(dig_in, dig_vv, dgs)) {
 			dev_err(DEV, "Digest integrity check FAILED. Broken NICs?\n");
 			return 0;
@@ -1435,7 +1512,7 @@ static int e_end_resync_block(struct drbd_conf *mdev, struct drbd_work *w, int u
 
 	D_ASSERT(hlist_unhashed(&e->colision));
 
-	if (likely(drbd_bio_uptodate(e->private_bio))) {
+	if (likely((e->flags & EE_WAS_ERROR) == 0)) {
 		drbd_set_in_sync(mdev, sector, e->size);
 		ok = drbd_send_ack(mdev, P_RS_WRITE_ACK, e);
 	} else {
@@ -1454,30 +1531,28 @@ static int recv_resync_read(struct drbd_conf *mdev, sector_t sector, int data_si
 	struct drbd_epoch_entry *e;
 
 	e = read_in_block(mdev, ID_SYNCER, sector, data_size);
-	if (!e) {
-		put_ldev(mdev);
-		return FALSE;
-	}
+	if (!e)
+		goto fail;
 
 	dec_rs_pending(mdev);
 
-	e->private_bio->bi_end_io = drbd_endio_write_sec;
-	e->private_bio->bi_rw = WRITE;
-	e->w.cb = e_end_resync_block;
-
 	inc_unacked(mdev);
 	/* corresponding dec_unacked() in e_end_resync_block()
 	 * respective _drbd_clear_done_ee */
 
+	e->w.cb = e_end_resync_block;
+
 	spin_lock_irq(&mdev->req_lock);
 	list_add(&e->w.list, &mdev->sync_ee);
 	spin_unlock_irq(&mdev->req_lock);
 
-	drbd_generic_make_request(mdev, DRBD_FAULT_RS_WR, e->private_bio);
-	/* accounting done in endio */
+	if (drbd_submit_ee(mdev, e, WRITE, DRBD_FAULT_RS_WR) == 0)
+		return TRUE;
 
-	maybe_kick_lo(mdev);
-	return TRUE;
+	drbd_free_ee(mdev, e);
+fail:
+	put_ldev(mdev);
+	return FALSE;
 }
 
 static int receive_DataReply(struct drbd_conf *mdev, struct p_header *h)
@@ -1572,7 +1647,7 @@ static int e_end_block(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 	}
 
 	if (mdev->net_conf->wire_protocol == DRBD_PROT_C) {
-		if (likely(drbd_bio_uptodate(e->private_bio))) {
+		if (likely((e->flags & EE_WAS_ERROR) == 0)) {
 			pcmd = (mdev->state.conn >= C_SYNC_SOURCE &&
 				mdev->state.conn <= C_PAUSED_SYNC_T &&
 				e->flags & EE_MAY_SET_IN_SYNC) ?
@@ -1718,7 +1793,6 @@ static int receive_Data(struct drbd_conf *mdev, struct p_header *h)
 		return FALSE;
 	}
 
-	e->private_bio->bi_end_io = drbd_endio_write_sec;
 	e->w.cb = e_end_block;
 
 	spin_lock(&mdev->epoch_lock);
@@ -1914,12 +1988,8 @@ static int receive_Data(struct drbd_conf *mdev, struct p_header *h)
 		drbd_al_begin_io(mdev, e->sector);
 	}
 
-	e->private_bio->bi_rw = rw;
-	drbd_generic_make_request(mdev, DRBD_FAULT_DT_WR, e->private_bio);
-	/* accounting done in endio */
-
-	maybe_kick_lo(mdev);
-	return TRUE;
+	if (drbd_submit_ee(mdev, e, rw, DRBD_FAULT_DT_WR) == 0)
+		return TRUE;
 
 out_interrupted:
 	/* yes, the epoch_size now is imbalanced.
@@ -1977,9 +2047,6 @@ static int receive_DataRequest(struct drbd_conf *mdev, struct p_header *h)
 		return FALSE;
 	}
 
-	e->private_bio->bi_rw = READ;
-	e->private_bio->bi_end_io = drbd_endio_read_sec;
-
 	switch (h->command) {
 	case P_DATA_REQUEST:
 		e->w.cb = w_e_end_data_req;
@@ -2073,10 +2140,8 @@ static int receive_DataRequest(struct drbd_conf *mdev, struct p_header *h)
 
 	inc_unacked(mdev);
 
-	drbd_generic_make_request(mdev, fault_type, e->private_bio);
-	maybe_kick_lo(mdev);
-
-	return TRUE;
+	if (drbd_submit_ee(mdev, e, READ, fault_type) == 0)
+		return TRUE;
 
 out_free_e:
 	kfree(di);
@@ -3837,7 +3902,7 @@ static void drbd_disconnect(struct drbd_conf *mdev)
 		dev_info(DEV, "net_ee not empty, killed %u entries\n", i);
 	i = atomic_read(&mdev->pp_in_use);
 	if (i)
-		dev_info(DEV, "pp_in_use = %u, expected 0\n", i);
+		dev_info(DEV, "pp_in_use = %d, expected 0\n", i);
 
 	D_ASSERT(list_empty(&mdev->read_ee));
 	D_ASSERT(list_empty(&mdev->active_ee));
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 0bbecf45b48..d771b1e0424 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -47,8 +47,7 @@ static int w_make_ov_request(struct drbd_conf *mdev, struct drbd_work *w, int ca
 
 /* defined here:
    drbd_md_io_complete
-   drbd_endio_write_sec
-   drbd_endio_read_sec
+   drbd_endio_sec
    drbd_endio_pri
 
  * more endio handlers:
@@ -85,27 +84,10 @@ void drbd_md_io_complete(struct bio *bio, int error)
 /* reads on behalf of the partner,
  * "submitted" by the receiver
  */
-void drbd_endio_read_sec(struct bio *bio, int error) __releases(local)
+void drbd_endio_read_sec_final(struct drbd_epoch_entry *e) __releases(local)
 {
 	unsigned long flags = 0;
-	struct drbd_epoch_entry *e = NULL;
-	struct drbd_conf *mdev;
-	int uptodate = bio_flagged(bio, BIO_UPTODATE);
-
-	e = bio->bi_private;
-	mdev = e->mdev;
-
-	if (error)
-		dev_warn(DEV, "read: error=%d s=%llus\n", error,
-				(unsigned long long)e->sector);
-	if (!error && !uptodate) {
-		dev_warn(DEV, "read: setting error to -EIO s=%llus\n",
-				(unsigned long long)e->sector);
-		/* strange behavior of some lower level drivers...
-		 * fail the request by clearing the uptodate flag,
-		 * but do not return any error?! */
-		error = -EIO;
-	}
+	struct drbd_conf *mdev = e->mdev;
 
 	D_ASSERT(e->block_id != ID_VACANT);
 
@@ -114,49 +96,38 @@ void drbd_endio_read_sec(struct bio *bio, int error) __releases(local)
 	list_del(&e->w.list);
 	if (list_empty(&mdev->read_ee))
 		wake_up(&mdev->ee_wait);
+	if (test_bit(__EE_WAS_ERROR, &e->flags))
+		__drbd_chk_io_error(mdev, FALSE);
 	spin_unlock_irqrestore(&mdev->req_lock, flags);
 
-	drbd_chk_io_error(mdev, error, FALSE);
 	drbd_queue_work(&mdev->data.work, &e->w);
 	put_ldev(mdev);
 }
 
+static int is_failed_barrier(int ee_flags)
+{
+	return (ee_flags & (EE_IS_BARRIER|EE_WAS_ERROR|EE_RESUBMITTED))
+			== (EE_IS_BARRIER|EE_WAS_ERROR);
+}
+
 /* writes on behalf of the partner, or resync writes,
- * "submitted" by the receiver.
- */
-void drbd_endio_write_sec(struct bio *bio, int error) __releases(local)
+ * "submitted" by the receiver, final stage.  */
+static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(local)
 {
 	unsigned long flags = 0;
-	struct drbd_epoch_entry *e = NULL;
-	struct drbd_conf *mdev;
+	struct drbd_conf *mdev = e->mdev;
 	sector_t e_sector;
 	int do_wake;
 	int is_syncer_req;
 	int do_al_complete_io;
-	int uptodate = bio_flagged(bio, BIO_UPTODATE);
-	int is_barrier = bio_rw_flagged(bio, BIO_RW_BARRIER);
 
-	e = bio->bi_private;
-	mdev = e->mdev;
-
-	if (error)
-		dev_warn(DEV, "write: error=%d s=%llus\n", error,
-				(unsigned long long)e->sector);
-	if (!error && !uptodate) {
-		dev_warn(DEV, "write: setting error to -EIO s=%llus\n",
-				(unsigned long long)e->sector);
-		/* strange behavior of some lower level drivers...
-		 * fail the request by clearing the uptodate flag,
-		 * but do not return any error?! */
-		error = -EIO;
-	}
-
-	/* error == -ENOTSUPP would be a better test,
-	 * alas it is not reliable */
-	if (error && is_barrier && e->flags & EE_IS_BARRIER) {
+	/* if this is a failed barrier request, disable use of barriers,
+	 * and schedule for resubmission */
+	if (is_failed_barrier(e->flags)) {
 		drbd_bump_write_ordering(mdev, WO_bdev_flush);
 		spin_lock_irqsave(&mdev->req_lock, flags);
 		list_del(&e->w.list);
+		e->flags |= EE_RESUBMITTED;
 		e->w.cb = w_e_reissue;
 		/* put_ldev actually happens below, once we come here again. */
 		__release(local);
@@ -167,17 +138,16 @@ void drbd_endio_write_sec(struct bio *bio, int error) __releases(local)
 
 	D_ASSERT(e->block_id != ID_VACANT);
 
-	spin_lock_irqsave(&mdev->req_lock, flags);
-	mdev->writ_cnt += e->size >> 9;
-	is_syncer_req = is_syncer_block_id(e->block_id);
-
 	/* after we moved e to done_ee,
 	 * we may no longer access it,
 	 * it may be freed/reused already!
 	 * (as soon as we release the req_lock) */
 	e_sector = e->sector;
 	do_al_complete_io = e->flags & EE_CALL_AL_COMPLETE_IO;
+	is_syncer_req = is_syncer_block_id(e->block_id);
 
+	spin_lock_irqsave(&mdev->req_lock, flags);
+	mdev->writ_cnt += e->size >> 9;
 	list_del(&e->w.list); /* has been on active_ee or sync_ee */
 	list_add_tail(&e->w.list, &mdev->done_ee);
 
@@ -190,7 +160,7 @@ void drbd_endio_write_sec(struct bio *bio, int error) __releases(local)
 		? list_empty(&mdev->sync_ee)
 		: list_empty(&mdev->active_ee);
 
-	if (error)
+	if (test_bit(__EE_WAS_ERROR, &e->flags))
 		__drbd_chk_io_error(mdev, FALSE);
 	spin_unlock_irqrestore(&mdev->req_lock, flags);
 
@@ -205,7 +175,42 @@ void drbd_endio_write_sec(struct bio *bio, int error) __releases(local)
 
 	wake_asender(mdev);
 	put_ldev(mdev);
+}
 
+/* writes on behalf of the partner, or resync writes,
+ * "submitted" by the receiver.
+ */
+void drbd_endio_sec(struct bio *bio, int error)
+{
+	struct drbd_epoch_entry *e = bio->bi_private;
+	struct drbd_conf *mdev = e->mdev;
+	int uptodate = bio_flagged(bio, BIO_UPTODATE);
+	int is_write = bio_data_dir(bio) == WRITE;
+
+	if (error)
+		dev_warn(DEV, "%s: error=%d s=%llus\n",
+				is_write ? "write" : "read", error,
+				(unsigned long long)e->sector);
+	if (!error && !uptodate) {
+		dev_warn(DEV, "%s: setting error to -EIO s=%llus\n",
+				is_write ? "write" : "read",
+				(unsigned long long)e->sector);
+		/* strange behavior of some lower level drivers...
+		 * fail the request by clearing the uptodate flag,
+		 * but do not return any error?! */
+		error = -EIO;
+	}
+
+	if (error)
+		set_bit(__EE_WAS_ERROR, &e->flags);
+
+	bio_put(bio); /* no need for the bio anymore */
+	if (atomic_dec_and_test(&e->pending_bios)) {
+		if (is_write)
+			drbd_endio_write_sec_final(e);
+		else
+			drbd_endio_read_sec_final(e);
+	}
 }
 
 /* read, readA or write requests on R_PRIMARY coming from drbd_make_request
@@ -295,7 +300,34 @@ int w_resync_inactive(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 	return 1; /* Simply ignore this! */
 }
 
-void drbd_csum(struct drbd_conf *mdev, struct crypto_hash *tfm, struct bio *bio, void *digest)
+void drbd_csum_ee(struct drbd_conf *mdev, struct crypto_hash *tfm, struct drbd_epoch_entry *e, void *digest)
+{
+	struct hash_desc desc;
+	struct scatterlist sg;
+	struct page *page = e->pages;
+	struct page *tmp;
+	unsigned len;
+
+	desc.tfm = tfm;
+	desc.flags = 0;
+
+	sg_init_table(&sg, 1);
+	crypto_hash_init(&desc);
+
+	while ((tmp = page_chain_next(page))) {
+		/* all but the last page will be fully used */
+		sg_set_page(&sg, page, PAGE_SIZE, 0);
+		crypto_hash_update(&desc, &sg, sg.length);
+		page = tmp;
+	}
+	/* and now the last, possibly only partially used page */
+	len = e->size & (PAGE_SIZE - 1);
+	sg_set_page(&sg, page, len ?: PAGE_SIZE, 0);
+	crypto_hash_update(&desc, &sg, sg.length);
+	crypto_hash_final(&desc, digest);
+}
+
+void drbd_csum_bio(struct drbd_conf *mdev, struct crypto_hash *tfm, struct bio *bio, void *digest)
 {
 	struct hash_desc desc;
 	struct scatterlist sg;
@@ -329,11 +361,11 @@ static int w_e_send_csum(struct drbd_conf *mdev, struct drbd_work *w, int cancel
 		return 1;
 	}
 
-	if (likely(drbd_bio_uptodate(e->private_bio))) {
+	if (likely((e->flags & EE_WAS_ERROR) == 0)) {
 		digest_size = crypto_hash_digestsize(mdev->csums_tfm);
 		digest = kmalloc(digest_size, GFP_NOIO);
 		if (digest) {
-			drbd_csum(mdev, mdev->csums_tfm, e->private_bio, digest);
+			drbd_csum_ee(mdev, mdev->csums_tfm, e, digest);
 
 			inc_rs_pending(mdev);
 			ok = drbd_send_drequest_csum(mdev,
@@ -369,23 +401,21 @@ static int read_for_csum(struct drbd_conf *mdev, sector_t sector, int size)
 	/* GFP_TRY, because if there is no memory available right now, this may
 	 * be rescheduled for later. It is "only" background resync, after all. */
 	e = drbd_alloc_ee(mdev, DRBD_MAGIC+0xbeef, sector, size, GFP_TRY);
-	if (!e) {
-		put_ldev(mdev);
-		return 2;
-	}
+	if (!e)
+		goto fail;
 
 	spin_lock_irq(&mdev->req_lock);
 	list_add(&e->w.list, &mdev->read_ee);
 	spin_unlock_irq(&mdev->req_lock);
 
-	e->private_bio->bi_end_io = drbd_endio_read_sec;
-	e->private_bio->bi_rw = READ;
 	e->w.cb = w_e_send_csum;
+	if (drbd_submit_ee(mdev, e, READ, DRBD_FAULT_RS_RD) == 0)
+		return 1;
 
-	mdev->read_cnt += size >> 9;
-	drbd_generic_make_request(mdev, DRBD_FAULT_RS_RD, e->private_bio);
-
-	return 1;
+	drbd_free_ee(mdev, e);
+fail:
+	put_ldev(mdev);
+	return 2;
 }
 
 void resync_timer_fn(unsigned long data)
@@ -819,7 +849,7 @@ out:
 /* helper */
 static void move_to_net_ee_or_free(struct drbd_conf *mdev, struct drbd_epoch_entry *e)
 {
-	if (drbd_bio_has_active_page(e->private_bio)) {
+	if (drbd_ee_has_active_page(e)) {
 		/* This might happen if sendpage() has not finished */
 		spin_lock_irq(&mdev->req_lock);
 		list_add_tail(&e->w.list, &mdev->net_ee);
@@ -845,7 +875,7 @@ int w_e_end_data_req(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 		return 1;
 	}
 
-	if (likely(drbd_bio_uptodate(e->private_bio))) {
+	if (likely((e->flags & EE_WAS_ERROR) == 0)) {
 		ok = drbd_send_block(mdev, P_DATA_REPLY, e);
 	} else {
 		if (__ratelimit(&drbd_ratelimit_state))
@@ -886,7 +916,7 @@ int w_e_end_rsdata_req(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 		put_ldev(mdev);
 	}
 
-	if (likely(drbd_bio_uptodate(e->private_bio))) {
+	if (likely((e->flags & EE_WAS_ERROR) == 0)) {
 		if (likely(mdev->state.pdsk >= D_INCONSISTENT)) {
 			inc_rs_pending(mdev);
 			ok = drbd_send_block(mdev, P_RS_DATA_REPLY, e);
@@ -934,7 +964,7 @@ int w_e_end_csum_rs_req(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 
 	di = (struct digest_info *)(unsigned long)e->block_id;
 
-	if (likely(drbd_bio_uptodate(e->private_bio))) {
+	if (likely((e->flags & EE_WAS_ERROR) == 0)) {
 		/* quick hack to try to avoid a race against reconfiguration.
 		 * a real fix would be much more involved,
 		 * introducing more locking mechanisms */
@@ -944,7 +974,7 @@ int w_e_end_csum_rs_req(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 			digest = kmalloc(digest_size, GFP_NOIO);
 		}
 		if (digest) {
-			drbd_csum(mdev, mdev->csums_tfm, e->private_bio, digest);
+			drbd_csum_ee(mdev, mdev->csums_tfm, e, digest);
 			eq = !memcmp(digest, di->digest, digest_size);
 			kfree(digest);
 		}
@@ -986,14 +1016,14 @@ int w_e_end_ov_req(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 	if (unlikely(cancel))
 		goto out;
 
-	if (unlikely(!drbd_bio_uptodate(e->private_bio)))
+	if (unlikely((e->flags & EE_WAS_ERROR) != 0))
 		goto out;
 
 	digest_size = crypto_hash_digestsize(mdev->verify_tfm);
 	/* FIXME if this allocation fails, online verify will not terminate! */
 	digest = kmalloc(digest_size, GFP_NOIO);
 	if (digest) {
-		drbd_csum(mdev, mdev->verify_tfm, e->private_bio, digest);
+		drbd_csum_ee(mdev, mdev->verify_tfm, e, digest);
 		inc_rs_pending(mdev);
 		ok = drbd_send_drequest_csum(mdev, e->sector, e->size,
 					     digest, digest_size, P_OV_REPLY);
@@ -1042,11 +1072,11 @@ int w_e_end_ov_reply(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 
 	di = (struct digest_info *)(unsigned long)e->block_id;
 
-	if (likely(drbd_bio_uptodate(e->private_bio))) {
+	if (likely((e->flags & EE_WAS_ERROR) == 0)) {
 		digest_size = crypto_hash_digestsize(mdev->verify_tfm);
 		digest = kmalloc(digest_size, GFP_NOIO);
 		if (digest) {
-			drbd_csum(mdev, mdev->verify_tfm, e->private_bio, digest);
+			drbd_csum_ee(mdev, mdev->verify_tfm, e, digest);
 
 			D_ASSERT(digest_size == di->digest_size);
 			eq = !memcmp(digest, di->digest, digest_size);
diff --git a/drivers/block/drbd/drbd_wrappers.h b/drivers/block/drbd/drbd_wrappers.h
index f93fa111ce5..defdb5013ea 100644
--- a/drivers/block/drbd/drbd_wrappers.h
+++ b/drivers/block/drbd/drbd_wrappers.h
@@ -18,23 +18,9 @@ static inline void drbd_set_my_capacity(struct drbd_conf *mdev,
 
 #define drbd_bio_uptodate(bio) bio_flagged(bio, BIO_UPTODATE)
 
-static inline int drbd_bio_has_active_page(struct bio *bio)
-{
-	struct bio_vec *bvec;
-	int i;
-
-	__bio_for_each_segment(bvec, bio, i, 0) {
-		if (page_count(bvec->bv_page) > 1)
-			return 1;
-	}
-
-	return 0;
-}
-
 /* bi_end_io handlers */
 extern void drbd_md_io_complete(struct bio *bio, int error);
-extern void drbd_endio_read_sec(struct bio *bio, int error);
-extern void drbd_endio_write_sec(struct bio *bio, int error);
+extern void drbd_endio_sec(struct bio *bio, int error);
 extern void drbd_endio_pri(struct bio *bio, int error);
 
 /*

From bb3d000cb99aa0924b78c1ae5f5943484527868a Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Fri, 14 May 2010 19:08:55 +0200
Subject: [PATCH 1866/3638] drbd: allow resync requests to be larger than
 max_segment_size

this should allow for better background resync performance.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_worker.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index d771b1e0424..91085c1ab52 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -462,7 +462,7 @@ int w_make_resync_request(struct drbd_conf *mdev,
 	unsigned long bit;
 	sector_t sector;
 	const sector_t capacity = drbd_get_capacity(mdev->this_bdev);
-	int max_segment_size = queue_max_segment_size(mdev->rq_queue);
+	int max_segment_size;
 	int number, i, size, pe, mx;
 	int align, queued, sndbuf;
 
@@ -488,6 +488,11 @@ int w_make_resync_request(struct drbd_conf *mdev,
 		return 1;
 	}
 
+	/* starting with drbd 8.3.8, we can handle multi-bio EEs,
+	 * if it should be necessary */
+	max_segment_size = mdev->agreed_pro_version < 94 ?
+		queue_max_segment_size(mdev->rq_queue) : DRBD_MAX_SEGMENT_SIZE;
+
 	mdev->c_sync_rate = calc_resync_rate(mdev);
 	number = SLEEP_TIME * mdev->c_sync_rate  / ((BM_BLOCK_SIZE / 1024) * HZ);
 	pe = atomic_read(&mdev->rs_pending_cnt);
@@ -552,12 +557,6 @@ next_sector:
 		 *
 		 * Additionally always align bigger requests, in order to
 		 * be prepared for all stripe sizes of software RAIDs.
-		 *
-		 * we _do_ care about the agreed-upon q->max_segment_size
-		 * here, as splitting up the requests on the other side is more
-		 * difficult.  the consequence is, that on lvm and md and other
-		 * "indirect" devices, this is dead code, since
-		 * q->max_segment_size will be PAGE_SIZE.
 		 */
 		align = 1;
 		for (;;) {

From a1c88d0d7aa2ef427f78834c9a3b0a673a19dca6 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Fri, 14 May 2010 19:16:41 +0200
Subject: [PATCH 1867/3638] drbd: always use_bmbv, ignore setting

Now that the peer may handle multi-bio EEs,
we can ignore the peer's limit,
and concentrate on the limits of the local IO stack.

This is safe accross drbd protocol versions,
as our queue_max_sectors() will be adjusted accordingly.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_nl.c       | 3 ---
 drivers/block/drbd/drbd_receiver.c | 6 +++++-
 drivers/block/drbd/drbd_req.c      | 2 +-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 28ef76bd523..f20336bc59c 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -704,9 +704,6 @@ void drbd_setup_queue_param(struct drbd_conf *mdev, unsigned int max_seg_s) __mu
 	struct request_queue * const b = mdev->ldev->backing_bdev->bd_disk->queue;
 	int max_segments = mdev->ldev->dc.max_bio_bvecs;
 
-	if (b->merge_bvec_fn && !mdev->ldev->dc.use_bmbv)
-		max_seg_s = PAGE_SIZE;
-
 	max_seg_s = min(queue_max_sectors(b) * queue_logical_block_size(b), max_seg_s);
 
 	blk_queue_max_hw_sectors(q, max_seg_s >> 9);
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 388a3e8bb0d..a04ec01ab3c 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3011,7 +3011,11 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 			ldsc = 1;
 		}
 
-		max_seg_s = be32_to_cpu(p->max_segment_size);
+		if (mdev->agreed_pro_version < 94)
+			max_seg_s = be32_to_cpu(p->max_segment_size);
+		else /* drbd 8.3.8 onwards */
+			max_seg_s = DRBD_MAX_SEGMENT_SIZE;
+
 		if (max_seg_s != queue_max_segment_size(mdev->rq_queue))
 			drbd_setup_queue_param(mdev, max_seg_s);
 
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index d8d9bbfca3b..343e0e6dd53 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -1110,7 +1110,7 @@ int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct
 	} else if (limit && get_ldev(mdev)) {
 		struct request_queue * const b =
 			mdev->ldev->backing_bdev->bd_disk->queue;
-		if (b->merge_bvec_fn && mdev->ldev->dc.use_bmbv) {
+		if (b->merge_bvec_fn) {
 			backing_limit = b->merge_bvec_fn(b, bvm, bvec);
 			limit = min(limit, backing_limit);
 		}

From 9a25a04c8079725c1b1ab756694a8e0757844b40 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Mon, 10 May 2010 16:42:23 +0200
Subject: [PATCH 1868/3638] drbd: If we detect late that IO got frozen, retry
 after we thawed.

If we detect late (= after grabing mdev->req_lock) that IO got frozen, we
return 1 to generic_make_request(), which simply will retry to make a
request for that bio.

In the subsequent call of generic_make_request() into drbd_make_request_26()
we sleep in inc_ap_bio().

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h |  4 ++--
 drivers/block/drbd/drbd_req.c | 33 ++++++++++++++++++++++++++-------
 2 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 4b97f30bb7c..c194348a46e 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -2223,7 +2223,7 @@ static inline int __inc_ap_bio_cond(struct drbd_conf *mdev)
 /* I'd like to use wait_event_lock_irq,
  * but I'm not sure when it got introduced,
  * and not sure when it has 3 or 4 arguments */
-static inline void inc_ap_bio(struct drbd_conf *mdev, int one_or_two)
+static inline void inc_ap_bio(struct drbd_conf *mdev, int count)
 {
 	/* compare with after_state_ch,
 	 * os.conn != C_WF_BITMAP_S && ns.conn == C_WF_BITMAP_S */
@@ -2245,7 +2245,7 @@ static inline void inc_ap_bio(struct drbd_conf *mdev, int one_or_two)
 		finish_wait(&mdev->misc_wait, &wait);
 		spin_lock_irq(&mdev->req_lock);
 	}
-	atomic_add(one_or_two, &mdev->ap_bio_cnt);
+	atomic_add(count, &mdev->ap_bio_cnt);
 	spin_unlock_irq(&mdev->req_lock);
 }
 
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 343e0e6dd53..3397f11d0ba 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -722,6 +722,7 @@ static int drbd_make_request_common(struct drbd_conf *mdev, struct bio *bio)
 	struct drbd_request *req;
 	int local, remote;
 	int err = -EIO;
+	int ret = 0;
 
 	/* allocate outside of all locks; */
 	req = drbd_req_new(mdev, bio);
@@ -784,7 +785,7 @@ static int drbd_make_request_common(struct drbd_conf *mdev, struct bio *bio)
 			    (mdev->state.pdsk == D_INCONSISTENT &&
 			     mdev->state.conn >= C_CONNECTED));
 
-	if (!(local || remote)) {
+	if (!(local || remote) && !mdev->state.susp) {
 		dev_err(DEV, "IO ERROR: neither local nor remote disk\n");
 		goto fail_free_complete;
 	}
@@ -810,6 +811,16 @@ allocate_barrier:
 	/* GOOD, everything prepared, grab the spin_lock */
 	spin_lock_irq(&mdev->req_lock);
 
+	if (mdev->state.susp) {
+		/* If we got suspended, use the retry mechanism of
+		   generic_make_request() to restart processing of this
+		   bio. In the next call to drbd_make_request_26
+		   we sleep in inc_ap_bio() */
+		ret = 1;
+		spin_unlock_irq(&mdev->req_lock);
+		goto fail_free_complete;
+	}
+
 	if (remote) {
 		remote = (mdev->state.pdsk == D_UP_TO_DATE ||
 			    (mdev->state.pdsk == D_INCONSISTENT &&
@@ -947,12 +958,14 @@ fail_and_free_req:
 		req->private_bio = NULL;
 		put_ldev(mdev);
 	}
-	bio_endio(bio, err);
+	if (!ret)
+		bio_endio(bio, err);
+
 	drbd_req_free(req);
 	dec_ap_bio(mdev);
 	kfree(b);
 
-	return 0;
+	return ret;
 }
 
 /* helper function for drbd_make_request
@@ -1065,15 +1078,21 @@ int drbd_make_request_26(struct request_queue *q, struct bio *bio)
 
 		/* we need to get a "reference count" (ap_bio_cnt)
 		 * to avoid races with the disconnect/reconnect/suspend code.
-		 * In case we need to split the bio here, we need to get two references
+		 * In case we need to split the bio here, we need to get three references
 		 * atomically, otherwise we might deadlock when trying to submit the
 		 * second one! */
-		inc_ap_bio(mdev, 2);
+		inc_ap_bio(mdev, 3);
 
 		D_ASSERT(e_enr == s_enr + 1);
 
-		drbd_make_request_common(mdev, &bp->bio1);
-		drbd_make_request_common(mdev, &bp->bio2);
+		while (drbd_make_request_common(mdev, &bp->bio1))
+			inc_ap_bio(mdev, 1);
+
+		while (drbd_make_request_common(mdev, &bp->bio2))
+			inc_ap_bio(mdev, 1);
+
+		dec_ap_bio(mdev);
+
 		bio_pair_release(bp);
 	}
 	return 0;

From 0c3f34516e8c5a1a0ba3585a7777d32bbbdf4ecb Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Mon, 17 May 2010 16:10:43 +0200
Subject: [PATCH 1869/3638] drbd: Create new current UUID as late as possible

The choice was to either delay creation of the new UUID until
IO got thawed or to delay it until the first IO request.

Both are correct, the later is more friendly to users of
dual-primary setups, that actually only write on one side.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_int.h      |  9 ++++++++-
 drivers/block/drbd/drbd_main.c     | 25 ++++++++++++++++++++-----
 drivers/block/drbd/drbd_receiver.c | 11 +++++++++++
 3 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index c194348a46e..e9654c8d5b6 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -943,7 +943,8 @@ struct drbd_conf {
 	struct drbd_work  resync_work,
 			  unplug_work,
 			  md_sync_work,
-			  delay_probe_work;
+			  delay_probe_work,
+			  uuid_work;
 	struct timer_list resync_timer;
 	struct timer_list md_sync_timer;
 	struct timer_list delay_probe_timer;
@@ -1068,6 +1069,7 @@ struct drbd_conf {
 	struct timeval dps_time; /* delay-probes-start-time */
 	unsigned int dp_volume_last;  /* send_cnt of last delay probe */
 	int c_sync_rate; /* current resync rate after delay_probe magic */
+	atomic_t new_c_uuid;
 };
 
 static inline struct drbd_conf *minor_to_mdev(unsigned int minor)
@@ -2217,6 +2219,8 @@ static inline int __inc_ap_bio_cond(struct drbd_conf *mdev)
 		return 0;
 	if (test_bit(BITMAP_IO, &mdev->flags))
 		return 0;
+	if (atomic_read(&mdev->new_c_uuid))
+		return 0;
 	return 1;
 }
 
@@ -2237,6 +2241,9 @@ static inline void inc_ap_bio(struct drbd_conf *mdev, int count)
 	 * to avoid races with the reconnect code,
 	 * we need to atomic_inc within the spinlock. */
 
+	if (atomic_read(&mdev->new_c_uuid) && atomic_add_unless(&mdev->new_c_uuid, -1, 1))
+		drbd_queue_work_front(&mdev->data.work, &mdev->uuid_work);
+
 	spin_lock_irq(&mdev->req_lock);
 	while (!__inc_ap_bio_cond(mdev)) {
 		prepare_to_wait(&mdev->misc_wait, &wait, TASK_UNINTERRUPTIBLE);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index d0fabace145..c144509011b 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1217,17 +1217,16 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 		mdev->p_uuid = NULL;
 		if (get_ldev(mdev)) {
 			if ((ns.role == R_PRIMARY || ns.peer == R_PRIMARY) &&
-			    mdev->ldev->md.uuid[UI_BITMAP] == 0 && ns.disk >= D_UP_TO_DATE) {
-				drbd_uuid_new_current(mdev);
-				drbd_send_uuids(mdev);
-			}
+			    mdev->ldev->md.uuid[UI_BITMAP] == 0 && ns.disk >= D_UP_TO_DATE)
+				atomic_set(&mdev->new_c_uuid, 2);
 			put_ldev(mdev);
 		}
 	}
 
 	if (ns.pdsk < D_INCONSISTENT && get_ldev(mdev)) {
+		/* Diskless peer becomes primary or got connected do diskless, primary peer. */
 		if (ns.peer == R_PRIMARY && mdev->ldev->md.uuid[UI_BITMAP] == 0)
-			drbd_uuid_new_current(mdev);
+			atomic_set(&mdev->new_c_uuid, 2);
 
 		/* D_DISKLESS Peer becomes secondary */
 		if (os.peer == R_PRIMARY && ns.peer == R_SECONDARY)
@@ -1351,6 +1350,19 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 	drbd_md_sync(mdev);
 }
 
+static int w_new_current_uuid(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
+{
+	if (get_ldev(mdev)) {
+		drbd_uuid_new_current(mdev);
+		drbd_send_uuids(mdev);
+		drbd_md_sync(mdev);
+		put_ldev(mdev);
+	}
+	atomic_dec(&mdev->new_c_uuid);
+	wake_up(&mdev->misc_wait);
+
+	return 1;
+}
 
 static int drbd_thread_setup(void *arg)
 {
@@ -2691,6 +2703,7 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
 	atomic_set(&mdev->net_cnt, 0);
 	atomic_set(&mdev->packet_seq, 0);
 	atomic_set(&mdev->pp_in_use, 0);
+	atomic_set(&mdev->new_c_uuid, 0);
 
 	mutex_init(&mdev->md_io_mutex);
 	mutex_init(&mdev->data.mutex);
@@ -2721,12 +2734,14 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
 	INIT_LIST_HEAD(&mdev->bm_io_work.w.list);
 	INIT_LIST_HEAD(&mdev->delay_probes);
 	INIT_LIST_HEAD(&mdev->delay_probe_work.list);
+	INIT_LIST_HEAD(&mdev->uuid_work.list);
 
 	mdev->resync_work.cb  = w_resync_inactive;
 	mdev->unplug_work.cb  = w_send_write_hint;
 	mdev->md_sync_work.cb = w_md_sync;
 	mdev->bm_io_work.w.cb = w_bitmap_io;
 	mdev->delay_probe_work.cb = w_delay_probes;
+	mdev->uuid_work.cb = w_new_current_uuid;
 	init_timer(&mdev->resync_timer);
 	init_timer(&mdev->md_sync_timer);
 	init_timer(&mdev->delay_probe_timer);
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index a04ec01ab3c..461d9872d4d 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1150,6 +1150,17 @@ int drbd_submit_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e,
 	unsigned n_bios = 0;
 	unsigned nr_pages = (ds + PAGE_SIZE -1) >> PAGE_SHIFT;
 
+	if (atomic_read(&mdev->new_c_uuid)) {
+		if (atomic_add_unless(&mdev->new_c_uuid, -1, 1)) {
+			drbd_uuid_new_current(mdev);
+			drbd_md_sync(mdev);
+
+			atomic_dec(&mdev->new_c_uuid);
+			wake_up(&mdev->misc_wait);
+		}
+		wait_event(mdev->misc_wait, !atomic_read(&mdev->new_c_uuid));
+	}
+
 	/* In most cases, we will only need one bio.  But in case the lower
 	 * level restrictions happen to be different at this offset on this
 	 * side than those of the sending peer, we may need to submit the

From 2db4e42eaceabec42f738f3895300632cd375e67 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 13 May 2010 22:02:21 +0200
Subject: [PATCH 1870/3638] drivers/block/drbd: Use kzalloc

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_nl.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index f20336bc59c..632e3245d1b 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1196,13 +1196,12 @@ static int drbd_nl_net_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 	}
 
 	/* allocation not in the IO path, cqueue thread context */
-	new_conf = kmalloc(sizeof(struct net_conf), GFP_KERNEL);
+	new_conf = kzalloc(sizeof(struct net_conf), GFP_KERNEL);
 	if (!new_conf) {
 		retcode = ERR_NOMEM;
 		goto fail;
 	}
 
-	memset(new_conf, 0, sizeof(struct net_conf));
 	new_conf->timeout	   = DRBD_TIMEOUT_DEF;
 	new_conf->try_connect_int  = DRBD_CONNECT_INT_DEF;
 	new_conf->ping_int	   = DRBD_PING_INT_DEF;

From 7752f1b096e13991f20b59fd11ba73da3809d93c Mon Sep 17 00:00:00 2001
From: Masami Hiramatsu <mhiramat@redhat.com>
Date: Mon, 10 May 2010 13:12:07 -0400
Subject: [PATCH 1871/3638] perf probe: Don't compile CFI related code if
 elfutils is old

Check elfutils version, and if it is old don't compile CFI analysis code. This
allows to compile perf with old elfutils.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Tested-by: Stephane Eranian <eranian@google.com>
Reported-by: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <20100510171207.26029.97604.stgit@localhost6.localdomain6>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/probe-finder.c | 4 ++++
 tools/perf/util/probe-finder.h | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 562b1443e78..93583eb19cd 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -668,6 +668,7 @@ static int convert_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf)
 	ret = dwarf_getlocation_addr(&fb_attr, pf->addr, &pf->fb_ops, &nops, 1);
 	if (ret <= 0 || nops == 0) {
 		pf->fb_ops = NULL;
+#if _ELFUTILS_PREREQ(0, 142)
 	} else if (nops == 1 && pf->fb_ops[0].atom == DW_OP_call_frame_cfa &&
 		   pf->cfi != NULL) {
 		Dwarf_Frame *frame;
@@ -677,6 +678,7 @@ static int convert_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf)
 				   (uintmax_t)pf->addr);
 			return -ENOENT;
 		}
+#endif
 	}
 
 	/* Find each argument */
@@ -956,8 +958,10 @@ int find_kprobe_trace_events(int fd, struct perf_probe_event *pev,
 		return -EBADF;
 	}
 
+#if _ELFUTILS_PREREQ(0, 142)
 	/* Get the call frame information from this dwarf */
 	pf.cfi = dwarf_getcfi(dbg);
+#endif
 
 	off = 0;
 	line_list__init(&pf.lcache);
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
index 66f1980e385..e1f61dcd18f 100644
--- a/tools/perf/util/probe-finder.h
+++ b/tools/perf/util/probe-finder.h
@@ -29,6 +29,7 @@ extern int find_line_range(int fd, struct line_range *lr);
 
 #include <dwarf.h>
 #include <libdw.h>
+#include <version.h>
 
 struct probe_finder {
 	struct perf_probe_event	*pev;		/* Target probe event */
@@ -44,7 +45,9 @@ struct probe_finder {
 	struct list_head	lcache;		/* Line cache for lazy match */
 
 	/* For variable searching */
+#if _ELFUTILS_PREREQ(0, 142)
 	Dwarf_CFI		*cfi;		/* Call Frame Information */
+#endif
 	Dwarf_Op		*fb_ops;	/* Frame base attribute */
 	struct perf_probe_arg	*pvar;		/* Current target variable */
 	struct kprobe_trace_arg	*tvar;		/* Current result variable */

From 32ec6acfdcc066313261d0fbe6a966cb1804a7cd Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Tue, 18 May 2010 00:23:14 -0300
Subject: [PATCH 1872/3638] perf tui: Fix build problem with slang <= 2.0.6
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks the
build if it isn't defined. Use the equivalent one that glibc has on
features.h.

Reported-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/newt.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index ccb7c5bb269..9338d060ee4 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -1,7 +1,15 @@
 #define _GNU_SOURCE
 #include <stdio.h>
 #undef _GNU_SOURCE
-
+/*
+ * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks
+ * the build if it isn't defined. Use the equivalent one that glibc
+ * has on features.h.
+ */
+#include <features.h>
+#ifndef HAVE_LONG_LONG
+#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
+#endif
 #include <slang.h>
 #include <stdlib.h>
 #include <newt.h>

From 964147d5c86d63be79b442c30f3783d49860c078 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 18 May 2010 15:27:13 +1000
Subject: [PATCH 1873/3638] md/raid1: fix counting of write targets.

There is a very small race window when writing to a
RAID1 such that if a device is marked faulty at exactly the wrong
time, the write-in-progress will not be sent to the device,
but the bitmap (if present) will be updated to say that
the write was sent.

Then if the device turned out to still be usable as was re-added
to the array, the bitmap-based-resync would skip resyncing that
block, possibly leading to corruption.  This would only be a problem
if no further writes were issued to that area of the device (i.e.
that bitmap chunk).

Suitable for any pending -stable kernel.

Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid1.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index f741f77eeb2..1ab30f64848 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -911,9 +911,10 @@ static int make_request(struct request_queue *q, struct bio * bio)
 			if (test_bit(Faulty, &rdev->flags)) {
 				rdev_dec_pending(rdev, mddev);
 				r1_bio->bios[i] = NULL;
-			} else
+			} else {
 				r1_bio->bios[i] = bio;
-			targets++;
+				targets++;
+			}
 		} else
 			r1_bio->bios[i] = NULL;
 	}

From ee8b81b03dffa1c0075553d01c557714aedb85a1 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 8 Mar 2010 16:02:36 +1100
Subject: [PATCH 1874/3638] md: remove some dead fields from mddev_s

These fields have never been used.
commit 4b6d287f627b5fb6a49f78f9e81649ff98c62bb7
added them, but also added identical files to bitmap_super_s,
and only used the latter.

So remove these unused fields.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/md/md.h b/drivers/md/md.h
index 722f5dfe195..05145786b50 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -279,9 +279,6 @@ struct mddev_s
 	atomic_t			writes_pending; 
 	struct request_queue		*queue;	/* for plugging ... */
 
-	atomic_t                        write_behind; /* outstanding async IO */
-	unsigned int                    max_write_behind; /* 0 = sync */
-
 	struct bitmap                   *bitmap; /* the bitmap for the device */
 	struct {
 		struct file		*file; /* the bitmap file */

From 696fcd535b5a8cfc0617e9cf1d9d69a13895cc1e Mon Sep 17 00:00:00 2001
From: Paul Clements <paul.clements@steeleye.com>
Date: Mon, 8 Mar 2010 16:02:37 +1100
Subject: [PATCH 1875/3638] md: expose max value of behind writes counter

Keep track of the maximum number of concurrent write-behind requests
for an md array and exposed this number in sysfs at
   md/bitmap/max_backlog_used

Writing any value to this file will clear it.

This allows userspace to be involved in tuning bitmap/backlog.

Signed-off-by: Paul Clements <paul.clements@steeleye.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/bitmap.c | 29 ++++++++++++++++++++++++++++-
 drivers/md/bitmap.h |  1 +
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 26ac8aad0b1..6279393db64 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1292,9 +1292,14 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect
 	if (!bitmap) return 0;
 
 	if (behind) {
+		int bw;
 		atomic_inc(&bitmap->behind_writes);
+		bw = atomic_read(&bitmap->behind_writes);
+		if (bw > bitmap->behind_writes_used)
+			bitmap->behind_writes_used = bw;
+
 		PRINTK(KERN_DEBUG "inc write-behind count %d/%d\n",
-		  atomic_read(&bitmap->behind_writes), bitmap->max_write_behind);
+		       bw, bitmap->max_write_behind);
 	}
 
 	while (sectors) {
@@ -2006,6 +2011,27 @@ static ssize_t can_clear_store(mddev_t *mddev, const char *buf, size_t len)
 static struct md_sysfs_entry bitmap_can_clear =
 __ATTR(can_clear, S_IRUGO|S_IWUSR, can_clear_show, can_clear_store);
 
+static ssize_t
+behind_writes_used_show(mddev_t *mddev, char *page)
+{
+	if (mddev->bitmap == NULL)
+		return sprintf(page, "0\n");
+	return sprintf(page, "%lu\n",
+		       mddev->bitmap->behind_writes_used);
+}
+
+static ssize_t
+behind_writes_used_reset(mddev_t *mddev, const char *buf, size_t len)
+{
+	if (mddev->bitmap)
+		mddev->bitmap->behind_writes_used = 0;
+	return len;
+}
+
+static struct md_sysfs_entry max_backlog_used =
+__ATTR(max_backlog_used, S_IRUGO | S_IWUSR,
+       behind_writes_used_show, behind_writes_used_reset);
+
 static struct attribute *md_bitmap_attrs[] = {
 	&bitmap_location.attr,
 	&bitmap_timeout.attr,
@@ -2013,6 +2039,7 @@ static struct attribute *md_bitmap_attrs[] = {
 	&bitmap_chunksize.attr,
 	&bitmap_metadata.attr,
 	&bitmap_can_clear.attr,
+	&max_backlog_used.attr,
 	NULL
 };
 struct attribute_group md_bitmap_group = {
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index cb821d76d1b..aa82b7caa85 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -227,6 +227,7 @@ struct bitmap {
 	int allclean;
 
 	atomic_t behind_writes;
+	unsigned long behind_writes_used; /* highest actual value at runtime */
 
 	/*
 	 * the bitmap daemon - periodically wakes up and sweeps the bitmap

From 7b92813c3c0b6990f14838e3985fb385d2655d0c Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 8 Mar 2010 16:02:40 +1100
Subject: [PATCH 1876/3638] drivers/md: Remove unnecessary casts of void *

void pointers do not need to be cast to other pointer types.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/bitmap.c    |  8 ++++----
 drivers/md/faulty.c    |  6 +++---
 drivers/md/multipath.c |  2 +-
 drivers/md/raid1.c     |  8 ++++----
 drivers/md/raid10.c    |  8 ++++----
 drivers/md/raid5.c     | 10 +++++-----
 6 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 6279393db64..49d6080387c 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -505,7 +505,7 @@ void bitmap_update_sb(struct bitmap *bitmap)
 		return;
 	}
 	spin_unlock_irqrestore(&bitmap->lock, flags);
-	sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
 	sb->events = cpu_to_le64(bitmap->mddev->events);
 	if (bitmap->mddev->events < bitmap->events_cleared) {
 		/* rocking back to read-only */
@@ -526,7 +526,7 @@ void bitmap_print_sb(struct bitmap *bitmap)
 
 	if (!bitmap || !bitmap->sb_page)
 		return;
-	sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
 	printk(KERN_DEBUG "%s: bitmap file superblock:\n", bmname(bitmap));
 	printk(KERN_DEBUG "         magic: %08x\n", le32_to_cpu(sb->magic));
 	printk(KERN_DEBUG "       version: %d\n", le32_to_cpu(sb->version));
@@ -575,7 +575,7 @@ static int bitmap_read_sb(struct bitmap *bitmap)
 		return err;
 	}
 
-	sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
 
 	chunksize = le32_to_cpu(sb->chunksize);
 	daemon_sleep = le32_to_cpu(sb->daemon_sleep) * HZ;
@@ -661,7 +661,7 @@ static int bitmap_mask_state(struct bitmap *bitmap, enum bitmap_state bits,
 		return 0;
 	}
 	spin_unlock_irqrestore(&bitmap->lock, flags);
-	sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
 	old = le32_to_cpu(sb->state) & bits;
 	switch (op) {
 		case MASK_SET: sb->state |= cpu_to_le32(bits);
diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 713acd02ab3..608a8d3736e 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -171,7 +171,7 @@ static void add_sector(conf_t *conf, sector_t start, int mode)
 static int make_request(struct request_queue *q, struct bio *bio)
 {
 	mddev_t *mddev = q->queuedata;
-	conf_t *conf = (conf_t*)mddev->private;
+	conf_t *conf = mddev->private;
 	int failit = 0;
 
 	if (bio_data_dir(bio) == WRITE) {
@@ -224,7 +224,7 @@ static int make_request(struct request_queue *q, struct bio *bio)
 
 static void status(struct seq_file *seq, mddev_t *mddev)
 {
-	conf_t *conf = (conf_t*)mddev->private;
+	conf_t *conf = mddev->private;
 	int n;
 
 	if ((n=atomic_read(&conf->counters[WriteTransient])) != 0)
@@ -327,7 +327,7 @@ static int run(mddev_t *mddev)
 
 static int stop(mddev_t *mddev)
 {
-	conf_t *conf = (conf_t *)mddev->private;
+	conf_t *conf = mddev->private;
 
 	kfree(conf);
 	mddev->private = NULL;
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 5558ebc705c..97befd5cc0e 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -84,7 +84,7 @@ static void multipath_end_bh_io (struct multipath_bh *mp_bh, int err)
 static void multipath_end_request(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	struct multipath_bh * mp_bh = (struct multipath_bh *)(bio->bi_private);
+	struct multipath_bh *mp_bh = bio->bi_private;
 	multipath_conf_t *conf = mp_bh->mddev->private;
 	mdk_rdev_t *rdev = conf->multipaths[mp_bh->path].rdev;
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 1ab30f64848..23a7516abbf 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -262,7 +262,7 @@ static inline void update_head_pos(int disk, r1bio_t *r1_bio)
 static void raid1_end_read_request(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	r1bio_t * r1_bio = (r1bio_t *)(bio->bi_private);
+	r1bio_t *r1_bio = bio->bi_private;
 	int mirror;
 	conf_t *conf = r1_bio->mddev->private;
 
@@ -307,7 +307,7 @@ static void raid1_end_read_request(struct bio *bio, int error)
 static void raid1_end_write_request(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	r1bio_t * r1_bio = (r1bio_t *)(bio->bi_private);
+	r1bio_t *r1_bio = bio->bi_private;
 	int mirror, behind = test_bit(R1BIO_BehindIO, &r1_bio->state);
 	conf_t *conf = r1_bio->mddev->private;
 	struct bio *to_put = NULL;
@@ -1223,7 +1223,7 @@ abort:
 
 static void end_sync_read(struct bio *bio, int error)
 {
-	r1bio_t * r1_bio = (r1bio_t *)(bio->bi_private);
+	r1bio_t *r1_bio = bio->bi_private;
 	int i;
 
 	for (i=r1_bio->mddev->raid_disks; i--; )
@@ -1246,7 +1246,7 @@ static void end_sync_read(struct bio *bio, int error)
 static void end_sync_write(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	r1bio_t * r1_bio = (r1bio_t *)(bio->bi_private);
+	r1bio_t *r1_bio = bio->bi_private;
 	mddev_t *mddev = r1_bio->mddev;
 	conf_t *conf = mddev->private;
 	int i;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b4ba41ecbd2..b90fef607f6 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -254,7 +254,7 @@ static inline void update_head_pos(int slot, r10bio_t *r10_bio)
 static void raid10_end_read_request(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	r10bio_t * r10_bio = (r10bio_t *)(bio->bi_private);
+	r10bio_t *r10_bio = bio->bi_private;
 	int slot, dev;
 	conf_t *conf = r10_bio->mddev->private;
 
@@ -295,7 +295,7 @@ static void raid10_end_read_request(struct bio *bio, int error)
 static void raid10_end_write_request(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	r10bio_t * r10_bio = (r10bio_t *)(bio->bi_private);
+	r10bio_t *r10_bio = bio->bi_private;
 	int slot, dev;
 	conf_t *conf = r10_bio->mddev->private;
 
@@ -1223,7 +1223,7 @@ abort:
 
 static void end_sync_read(struct bio *bio, int error)
 {
-	r10bio_t * r10_bio = (r10bio_t *)(bio->bi_private);
+	r10bio_t *r10_bio = bio->bi_private;
 	conf_t *conf = r10_bio->mddev->private;
 	int i,d;
 
@@ -1260,7 +1260,7 @@ static void end_sync_read(struct bio *bio, int error)
 static void end_sync_write(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	r10bio_t * r10_bio = (r10bio_t *)(bio->bi_private);
+	r10bio_t *r10_bio = bio->bi_private;
 	mddev_t *mddev = r10_bio->mddev;
 	conf_t *conf = mddev->private;
 	int i,d;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index a361398875d..10af3715b1f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1618,7 +1618,7 @@ static void raid5_build_block(struct stripe_head *sh, int i, int previous)
 static void error(mddev_t *mddev, mdk_rdev_t *rdev)
 {
 	char b[BDEVNAME_SIZE];
-	raid5_conf_t *conf = (raid5_conf_t *) mddev->private;
+	raid5_conf_t *conf = mddev->private;
 	pr_debug("raid5: error called\n");
 
 	if (!test_bit(Faulty, &rdev->flags)) {
@@ -4057,7 +4057,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
 	 * As the reads complete, handle_stripe will copy the data
 	 * into the destination stripe and release that stripe.
 	 */
-	raid5_conf_t *conf = (raid5_conf_t *) mddev->private;
+	raid5_conf_t *conf = mddev->private;
 	struct stripe_head *sh;
 	sector_t first_sector, last_sector;
 	int raid_disks = conf->previous_raid_disks;
@@ -4266,7 +4266,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
 /* FIXME go_faster isn't used */
 static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster)
 {
-	raid5_conf_t *conf = (raid5_conf_t *) mddev->private;
+	raid5_conf_t *conf = mddev->private;
 	struct stripe_head *sh;
 	sector_t max_sector = mddev->dev_sectors;
 	int sync_blocks;
@@ -5132,7 +5132,7 @@ abort:
 
 static int stop(mddev_t *mddev)
 {
-	raid5_conf_t *conf = (raid5_conf_t *) mddev->private;
+	raid5_conf_t *conf = mddev->private;
 
 	md_unregister_thread(mddev->thread);
 	mddev->thread = NULL;
@@ -5181,7 +5181,7 @@ static void printall(struct seq_file *seq, raid5_conf_t *conf)
 
 static void status(struct seq_file *seq, mddev_t *mddev)
 {
-	raid5_conf_t *conf = (raid5_conf_t *) mddev->private;
+	raid5_conf_t *conf = mddev->private;
 	int i;
 
 	seq_printf(seq, " level %d, %dk chunk, algorithm %d", mddev->level,

From c0cc75f84e0e413bce2dcabea74ef418da45c7c1 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 22 Mar 2010 10:28:51 +1100
Subject: [PATCH 1877/3638] md: discard StateChanged device flag.

This was needed when sysfs files could only be 'notified'
from process context.  Now that we have sys_notify_direct,
we can call it directly from an interrupt.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 7 +------
 drivers/md/md.h | 3 ---
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index e8d238885cd..2a64cba9ea7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5970,7 +5970,7 @@ void md_error(mddev_t *mddev, mdk_rdev_t *rdev)
 	mddev->pers->error_handler(mddev,rdev);
 	if (mddev->degraded)
 		set_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
-	set_bit(StateChanged, &rdev->flags);
+	sysfs_notify_dirent(rdev->sysfs_state);
 	set_bit(MD_RECOVERY_INTR, &mddev->recovery);
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	md_wakeup_thread(mddev->thread);
@@ -6962,11 +6962,6 @@ void md_check_recovery(mddev_t *mddev)
 		if (mddev->flags)
 			md_update_sb(mddev, 0);
 
-		list_for_each_entry(rdev, &mddev->disks, same_set)
-			if (test_and_clear_bit(StateChanged, &rdev->flags))
-				sysfs_notify_dirent(rdev->sysfs_state);
-
-
 		if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) &&
 		    !test_bit(MD_RECOVERY_DONE, &mddev->recovery)) {
 			/* resync/recovery still happening */
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 05145786b50..e4836c68b73 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -74,9 +74,6 @@ struct mdk_rdev_s
 #define Blocked		8		/* An error occured on an externally
 					 * managed array, don't allow writes
 					 * until it is cleared */
-#define StateChanged	9		/* Faulty or Blocked has changed during
-					 * interrupt, so it needs to be
-					 * notified by the thread */
 	wait_queue_head_t blocked_wait;
 
 	int desc_nr;			/* descriptor index in the superblock */

From 84707f38e767ac470fd82af6c45a8cafe2bd1b9a Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 16 Mar 2010 17:23:35 +1100
Subject: [PATCH 1878/3638] md: don't use mddev->raid_disks in raid0 or raid10
 while array is active.

In a subsequent patch we will make it possible to change
mddev->raid_disks while a RAID0 or RAID10 array is active.  This is
part of the process of reshaping such an array.

This means that we cannot use this value while processes requests
(it is OK to use it during initialisation as we are locked against
changes then).
Both RAID0 and RAID10 have the same value stored in the private data
structure, so use that value instead.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid0.c  | 15 ++++++++++-----
 drivers/md/raid10.c | 16 ++++++++--------
 2 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 377cf2a3c33..c2e0d1d2810 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -28,9 +28,10 @@ static void raid0_unplug(struct request_queue *q)
 	mddev_t *mddev = q->queuedata;
 	raid0_conf_t *conf = mddev->private;
 	mdk_rdev_t **devlist = conf->devlist;
+	int raid_disks = conf->strip_zone[0].nb_dev;
 	int i;
 
-	for (i=0; i<mddev->raid_disks; i++) {
+	for (i=0; i < raid_disks; i++) {
 		struct request_queue *r_queue = bdev_get_queue(devlist[i]->bdev);
 
 		blk_unplug(r_queue);
@@ -42,12 +43,13 @@ static int raid0_congested(void *data, int bits)
 	mddev_t *mddev = data;
 	raid0_conf_t *conf = mddev->private;
 	mdk_rdev_t **devlist = conf->devlist;
+	int raid_disks = conf->strip_zone[0].nb_dev;
 	int i, ret = 0;
 
 	if (mddev_congested(mddev, bits))
 		return 1;
 
-	for (i = 0; i < mddev->raid_disks && !ret ; i++) {
+	for (i = 0; i < raid_disks && !ret ; i++) {
 		struct request_queue *q = bdev_get_queue(devlist[i]->bdev);
 
 		ret |= bdi_congested(&q->backing_dev_info, bits);
@@ -65,6 +67,7 @@ static void dump_zones(mddev_t *mddev)
 	sector_t zone_start = 0;
 	char b[BDEVNAME_SIZE];
 	raid0_conf_t *conf = mddev->private;
+	int raid_disks = conf->strip_zone[0].nb_dev;
 	printk(KERN_INFO "******* %s configuration *********\n",
 		mdname(mddev));
 	h = 0;
@@ -72,7 +75,7 @@ static void dump_zones(mddev_t *mddev)
 		printk(KERN_INFO "zone%d=[", j);
 		for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
 			printk("%s/",
-			bdevname(conf->devlist[j*mddev->raid_disks
+			bdevname(conf->devlist[j*raid_disks
 						+ k]->bdev, b));
 		printk("]\n");
 
@@ -401,6 +404,7 @@ static mdk_rdev_t *map_sector(mddev_t *mddev, struct strip_zone *zone,
 	unsigned int sect_in_chunk;
 	sector_t chunk;
 	raid0_conf_t *conf = mddev->private;
+	int raid_disks = conf->strip_zone[0].nb_dev;
 	unsigned int chunk_sects = mddev->chunk_sectors;
 
 	if (is_power_of_2(chunk_sects)) {
@@ -423,7 +427,7 @@ static mdk_rdev_t *map_sector(mddev_t *mddev, struct strip_zone *zone,
 	*	+ the position in the chunk
 	*/
 	*sector_offset = (chunk * chunk_sects) + sect_in_chunk;
-	return conf->devlist[(zone - conf->strip_zone)*mddev->raid_disks
+	return conf->devlist[(zone - conf->strip_zone)*raid_disks
 			     + sector_div(sector, zone->nb_dev)];
 }
 
@@ -518,6 +522,7 @@ static void raid0_status(struct seq_file *seq, mddev_t *mddev)
 	int j, k, h;
 	char b[BDEVNAME_SIZE];
 	raid0_conf_t *conf = mddev->private;
+	int raid_disks = conf->strip_zone[0].nb_dev;
 
 	sector_t zone_size;
 	sector_t zone_start = 0;
@@ -528,7 +533,7 @@ static void raid0_status(struct seq_file *seq, mddev_t *mddev)
 		seq_printf(seq, "=[");
 		for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
 			seq_printf(seq, "%s/", bdevname(
-				conf->devlist[j*mddev->raid_disks + k]
+				conf->devlist[j*raid_disks + k]
 						->bdev, b));
 
 		zone_size  = conf->strip_zone[j].zone_end - zone_start;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b90fef607f6..044c1157d98 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -600,7 +600,7 @@ static void unplug_slaves(mddev_t *mddev)
 	int i;
 
 	rcu_read_lock();
-	for (i=0; i<mddev->raid_disks; i++) {
+	for (i=0; i < conf->raid_disks; i++) {
 		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) {
 			struct request_queue *r_queue = bdev_get_queue(rdev->bdev);
@@ -634,7 +634,7 @@ static int raid10_congested(void *data, int bits)
 	if (mddev_congested(mddev, bits))
 		return 1;
 	rcu_read_lock();
-	for (i = 0; i < mddev->raid_disks && ret == 0; i++) {
+	for (i = 0; i < conf->raid_disks && ret == 0; i++) {
 		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		if (rdev && !test_bit(Faulty, &rdev->flags)) {
 			struct request_queue *q = bdev_get_queue(rdev->bdev);
@@ -1131,7 +1131,7 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 	int mirror;
 	mirror_info_t *p;
 	int first = 0;
-	int last = mddev->raid_disks - 1;
+	int last = conf->raid_disks - 1;
 
 	if (mddev->recovery_cp < MaxSector)
 		/* only hot-add to in-sync arrays, as recovery is
@@ -2139,7 +2139,7 @@ raid10_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	conf_t *conf = mddev->private;
 
 	if (!raid_disks)
-		raid_disks = mddev->raid_disks;
+		raid_disks = conf->raid_disks;
 	if (!sectors)
 		sectors = mddev->dev_sectors;
 
@@ -2250,7 +2250,7 @@ static int run(mddev_t *mddev)
 
 	list_for_each_entry(rdev, &mddev->disks, same_set) {
 		disk_idx = rdev->raid_disk;
-		if (disk_idx >= mddev->raid_disks
+		if (disk_idx >= conf->raid_disks
 		    || disk_idx < 0)
 			continue;
 		disk = conf->mirrors + disk_idx;
@@ -2311,8 +2311,8 @@ static int run(mddev_t *mddev)
 		       mdname(mddev));
 	printk(KERN_INFO
 		"raid10: raid set %s active with %d out of %d devices\n",
-		mdname(mddev), mddev->raid_disks - mddev->degraded,
-		mddev->raid_disks);
+		mdname(mddev), conf->raid_disks - mddev->degraded,
+		conf->raid_disks);
 	/*
 	 * Ok, everything is just fine now
 	 */
@@ -2335,7 +2335,7 @@ static int run(mddev_t *mddev)
 			mddev->queue->backing_dev_info.ra_pages = 2* stripe;
 	}
 
-	if (conf->near_copies < mddev->raid_disks)
+	if (conf->near_copies < conf->raid_disks)
 		blk_queue_merge_bvec(mddev->queue, raid10_mergeable_bvec);
 	md_integrity_register(mddev);
 	return 0;

From 54071b3808ee3dc8624d9d6f1b06c4fd5308fa3b Mon Sep 17 00:00:00 2001
From: Trela Maciej <Maciej.Trela@intel.com>
Date: Mon, 8 Mar 2010 16:02:42 +1100
Subject: [PATCH 1879/3638] md:Add support for Raid0->Raid5 takeover

Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c    | 14 ++++++++++++++
 drivers/md/raid5.c | 26 ++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2a64cba9ea7..22c630b7ba6 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3017,6 +3017,20 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 			mddev->to_remove = &md_redundancy_group;
 	}
 
+	if (mddev->pers->sync_request == NULL &&
+	    mddev->external) {
+		/* We are converting from a no-redundancy array
+		 * to a redundancy array and metadata is managed
+		 * externally so we need to be sure that writes
+		 * won't block due to a need to transition
+		 *      clean->dirty
+		 * until external management is started.
+		 */
+		mddev->in_sync = 0;
+		mddev->safemode_delay = 0;
+		mddev->safemode = 0;
+	}
+
 	module_put(mddev->pers->owner);
 	/* Invalidate devices that are now superfluous */
 	list_for_each_entry(rdev, &mddev->disks, same_set)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 10af3715b1f..bb28fd6b44f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -52,6 +52,7 @@
 #include <linux/cpu.h>
 #include "md.h"
 #include "raid5.h"
+#include "raid0.h"
 #include "bitmap.h"
 
 /*
@@ -5619,6 +5620,21 @@ static void raid5_quiesce(mddev_t *mddev, int state)
 }
 
 
+static void *raid5_takeover_raid0(mddev_t *mddev)
+{
+
+	mddev->new_level = 5;
+	mddev->new_layout = ALGORITHM_PARITY_N;
+	mddev->new_chunk_sectors = mddev->chunk_sectors;
+	mddev->raid_disks += 1;
+	mddev->delta_disks = 1;
+	/* make sure it will be not marked as dirty */
+	mddev->recovery_cp = MaxSector;
+
+	return setup_conf(mddev);
+}
+
+
 static void *raid5_takeover_raid1(mddev_t *mddev)
 {
 	int chunksect;
@@ -5748,6 +5764,16 @@ static void *raid5_takeover(mddev_t *mddev)
 	 *  raid4 - trivial - just use a raid4 layout.
 	 *  raid6 - Providing it is a *_6 layout
 	 */
+	if (mddev->level == 0) {
+		/* for raid0 takeover only one zone is supported */
+		struct raid0_private_data *raid0_priv
+			= mddev->private;
+		if (raid0_priv->nr_strip_zones > 1) {
+			printk(KERN_ERR "md: cannot takeover raid 0 with more than one zone.\n");
+			return ERR_PTR(-EINVAL);
+		}
+		return raid5_takeover_raid0(mddev);
+	}
 
 	if (mddev->level == 1)
 		return raid5_takeover_raid1(mddev);

From 9af204cf720cedf369cf823bbd806c350201f7ea Mon Sep 17 00:00:00 2001
From: "Trela, Maciej" <Maciej.Trela@intel.com>
Date: Mon, 8 Mar 2010 16:02:44 +1100
Subject: [PATCH 1880/3638] md: Add support for Raid5->Raid0 and Raid10->Raid0
 takeover

Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c    |   7 +++
 drivers/md/raid0.c | 125 ++++++++++++++++++++++++++++++++++++++++++---
 drivers/md/raid0.h |   3 ++
 3 files changed, 129 insertions(+), 6 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 22c630b7ba6..7dcc7408955 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3045,6 +3045,13 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	mddev->layout = mddev->new_layout;
 	mddev->chunk_sectors = mddev->new_chunk_sectors;
 	mddev->delta_disks = 0;
+	if (mddev->pers->sync_request == NULL) {
+		/* this is now an array without redundancy, so
+		 * it must always be in_sync
+		 */
+		mddev->in_sync = 1;
+		del_timer_sync(&mddev->safemode_timer);
+	}
 	pers->run(mddev);
 	mddev_resume(mddev);
 	set_bit(MD_CHANGE_DEVS, &mddev->flags);
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index c2e0d1d2810..afddf624bad 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -22,6 +22,7 @@
 #include <linux/seq_file.h>
 #include "md.h"
 #include "raid0.h"
+#include "raid5.h"
 
 static void raid0_unplug(struct request_queue *q)
 {
@@ -90,7 +91,7 @@ static void dump_zones(mddev_t *mddev)
 	printk(KERN_INFO "**********************************\n\n");
 }
 
-static int create_strip_zones(mddev_t *mddev)
+static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 {
 	int i, c, err;
 	sector_t curr_zone_end, sectors;
@@ -164,6 +165,10 @@ static int create_strip_zones(mddev_t *mddev)
 	list_for_each_entry(rdev1, &mddev->disks, same_set) {
 		int j = rdev1->raid_disk;
 
+		if (mddev->level == 10)
+			/* taking over a raid10-n2 array */
+			j /= 2;
+
 		if (j < 0 || j >= mddev->raid_disks) {
 			printk(KERN_ERR "raid0: bad disk number %d - "
 				"aborting!\n", j);
@@ -264,13 +269,14 @@ static int create_strip_zones(mddev_t *mddev)
 			 (mddev->chunk_sectors << 9) * mddev->raid_disks);
 
 	printk(KERN_INFO "raid0: done.\n");
-	mddev->private = conf;
+	*private_conf = conf;
+
 	return 0;
 abort:
 	kfree(conf->strip_zone);
 	kfree(conf->devlist);
 	kfree(conf);
-	mddev->private = NULL;
+	*private_conf = NULL;
 	return err;
 }
 
@@ -321,6 +327,7 @@ static sector_t raid0_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 
 static int raid0_run(mddev_t *mddev)
 {
+	raid0_conf_t *conf;
 	int ret;
 
 	if (mddev->chunk_sectors == 0) {
@@ -332,9 +339,20 @@ static int raid0_run(mddev_t *mddev)
 	blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors);
 	mddev->queue->queue_lock = &mddev->queue->__queue_lock;
 
-	ret = create_strip_zones(mddev);
-	if (ret < 0)
-		return ret;
+	/* if private is not null, we are here after takeover */
+	if (mddev->private == NULL) {
+		ret = create_strip_zones(mddev, &conf);
+		if (ret < 0)
+			return ret;
+		mddev->private = conf;
+	}
+	conf = mddev->private;
+	if (conf->scale_raid_disks) {
+		int i;
+		for (i=0; i < conf->strip_zone[0].nb_dev; i++)
+			conf->devlist[i]->raid_disk /= conf->scale_raid_disks;
+		/* FIXME update sysfs rd links */
+	}
 
 	/* calculate array device size */
 	md_set_array_sectors(mddev, raid0_size(mddev, 0, 0));
@@ -548,6 +566,99 @@ static void raid0_status(struct seq_file *seq, mddev_t *mddev)
 	return;
 }
 
+static void *raid0_takeover_raid5(mddev_t *mddev)
+{
+	mdk_rdev_t *rdev;
+	raid0_conf_t *priv_conf;
+
+	if (mddev->degraded != 1) {
+		printk(KERN_ERR "md: raid5 must be degraded! Degraded disks: %d\n",
+		       mddev->degraded);
+		return ERR_PTR(-EINVAL);
+	}
+
+	list_for_each_entry(rdev, &mddev->disks, same_set) {
+		/* check slot number for a disk */
+		if (rdev->raid_disk == mddev->raid_disks-1) {
+			printk(KERN_ERR "md: raid5 must have missing parity disk!\n");
+			return ERR_PTR(-EINVAL);
+		}
+	}
+
+	/* Set new parameters */
+	mddev->new_level = 0;
+	mddev->new_chunk_sectors = mddev->chunk_sectors;
+	mddev->raid_disks--;
+	mddev->delta_disks = -1;
+	/* make sure it will be not marked as dirty */
+	mddev->recovery_cp = MaxSector;
+
+	create_strip_zones(mddev, &priv_conf);
+	return priv_conf;
+}
+
+static void *raid0_takeover_raid10(mddev_t *mddev)
+{
+	raid0_conf_t *priv_conf;
+
+	/* Check layout:
+	 *  - far_copies must be 1
+	 *  - near_copies must be 2
+	 *  - disks number must be even
+	 *  - all mirrors must be already degraded
+	 */
+	if (mddev->layout != ((1 << 8) + 2)) {
+		printk(KERN_ERR "md: Raid0 cannot takover layout: %x\n",
+		       mddev->layout);
+		return ERR_PTR(-EINVAL);
+	}
+	if (mddev->raid_disks & 1) {
+		printk(KERN_ERR "md: Raid0 cannot takover Raid10 with odd disk number.\n");
+		return ERR_PTR(-EINVAL);
+	}
+	if (mddev->degraded != (mddev->raid_disks>>1)) {
+		printk(KERN_ERR "md: All mirrors must be already degraded!\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	/* Set new parameters */
+	mddev->new_level = 0;
+	mddev->new_chunk_sectors = mddev->chunk_sectors;
+	mddev->delta_disks = - mddev->raid_disks / 2;
+	mddev->raid_disks += mddev->delta_disks;
+	mddev->degraded = 0;
+	/* make sure it will be not marked as dirty */
+	mddev->recovery_cp = MaxSector;
+
+	create_strip_zones(mddev, &priv_conf);
+	priv_conf->scale_raid_disks = 2;
+	return priv_conf;
+}
+
+static void *raid0_takeover(mddev_t *mddev)
+{
+	/* raid0 can take over:
+	 *  raid5 - providing it is Raid4 layout and one disk is faulty
+	 *  raid10 - assuming we have all necessary active disks
+	 */
+	if (mddev->level == 5) {
+		if (mddev->layout == ALGORITHM_PARITY_N)
+			return raid0_takeover_raid5(mddev);
+
+		printk(KERN_ERR "md: Raid can only takeover Raid5 with layout: %d\n",
+		       ALGORITHM_PARITY_N);
+	}
+
+	if (mddev->level == 10)
+		return raid0_takeover_raid10(mddev);
+
+	return ERR_PTR(-EINVAL);
+}
+
+static void raid0_quiesce(mddev_t *mddev, int state)
+{
+}
+
 static struct mdk_personality raid0_personality=
 {
 	.name		= "raid0",
@@ -558,6 +669,8 @@ static struct mdk_personality raid0_personality=
 	.stop		= raid0_stop,
 	.status		= raid0_status,
 	.size		= raid0_size,
+	.takeover	= raid0_takeover,
+	.quiesce	= raid0_quiesce,
 };
 
 static int __init raid0_init (void)
diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
index 91f8e876ee6..d724e664ca4 100644
--- a/drivers/md/raid0.h
+++ b/drivers/md/raid0.h
@@ -13,6 +13,9 @@ struct raid0_private_data
 	struct strip_zone *strip_zone;
 	mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
 	int nr_strip_zones;
+	int scale_raid_disks; /* divide rdev->raid_disks by this in run()
+			       * to handle conversion from raid10
+			       */
 };
 
 typedef struct raid0_private_data raid0_conf_t;

From dab8b29248b3f14f456651a2a6ee9b8fd16d1b3c Mon Sep 17 00:00:00 2001
From: "Trela, Maciej" <Maciej.Trela@intel.com>
Date: Mon, 8 Mar 2010 16:02:45 +1100
Subject: [PATCH 1881/3638] md: Add support for Raid0->Raid10 takeover

Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid10.c | 194 ++++++++++++++++++++++++++++++++------------
 drivers/md/raid10.h |  12 +++
 2 files changed, 155 insertions(+), 51 deletions(-)

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 044c1157d98..57d71d5d88f 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -23,6 +23,7 @@
 #include <linux/seq_file.h>
 #include "md.h"
 #include "raid10.h"
+#include "raid0.h"
 #include "bitmap.h"
 
 /*
@@ -2141,7 +2142,7 @@ raid10_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	if (!raid_disks)
 		raid_disks = conf->raid_disks;
 	if (!sectors)
-		sectors = mddev->dev_sectors;
+		sectors = conf->dev_sectors;
 
 	size = sectors >> conf->chunk_shift;
 	sector_div(size, conf->far_copies);
@@ -2151,62 +2152,60 @@ raid10_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	return size << conf->chunk_shift;
 }
 
-static int run(mddev_t *mddev)
+
+static conf_t *setup_conf(mddev_t *mddev)
 {
-	conf_t *conf;
-	int i, disk_idx, chunk_size;
-	mirror_info_t *disk;
-	mdk_rdev_t *rdev;
+	conf_t *conf = NULL;
 	int nc, fc, fo;
 	sector_t stride, size;
+	int err = -EINVAL;
 
 	if (mddev->chunk_sectors < (PAGE_SIZE >> 9) ||
 	    !is_power_of_2(mddev->chunk_sectors)) {
 		printk(KERN_ERR "md/raid10: chunk size must be "
 		       "at least PAGE_SIZE(%ld) and be a power of 2.\n", PAGE_SIZE);
-		return -EINVAL;
+		goto out;
 	}
 
 	nc = mddev->layout & 255;
 	fc = (mddev->layout >> 8) & 255;
 	fo = mddev->layout & (1<<16);
+
 	if ((nc*fc) <2 || (nc*fc) > mddev->raid_disks ||
 	    (mddev->layout >> 17)) {
 		printk(KERN_ERR "raid10: %s: unsupported raid10 layout: 0x%8x\n",
 		       mdname(mddev), mddev->layout);
 		goto out;
 	}
-	/*
-	 * copy the already verified devices into our private RAID10
-	 * bookkeeping area. [whatever we allocate in run(),
-	 * should be freed in stop()]
-	 */
+
+	err = -ENOMEM;
 	conf = kzalloc(sizeof(conf_t), GFP_KERNEL);
-	mddev->private = conf;
-	if (!conf) {
-		printk(KERN_ERR "raid10: couldn't allocate memory for %s\n",
-			mdname(mddev));
+	if (!conf)
 		goto out;
-	}
+
 	conf->mirrors = kzalloc(sizeof(struct mirror_info)*mddev->raid_disks,
-				 GFP_KERNEL);
-	if (!conf->mirrors) {
-		printk(KERN_ERR "raid10: couldn't allocate memory for %s\n",
-		       mdname(mddev));
-		goto out_free_conf;
-	}
+				GFP_KERNEL);
+	if (!conf->mirrors)
+		goto out;
 
 	conf->tmppage = alloc_page(GFP_KERNEL);
 	if (!conf->tmppage)
-		goto out_free_conf;
+		goto out;
+
 
 	conf->raid_disks = mddev->raid_disks;
 	conf->near_copies = nc;
 	conf->far_copies = fc;
 	conf->copies = nc*fc;
 	conf->far_offset = fo;
-	conf->chunk_mask = mddev->chunk_sectors - 1;
-	conf->chunk_shift = ffz(~mddev->chunk_sectors);
+	conf->chunk_mask = mddev->new_chunk_sectors - 1;
+	conf->chunk_shift = ffz(~mddev->new_chunk_sectors);
+
+	conf->r10bio_pool = mempool_create(NR_RAID10_BIOS, r10bio_pool_alloc,
+					   r10bio_pool_free, conf);
+	if (!conf->r10bio_pool)
+		goto out;
+
 	size = mddev->dev_sectors >> conf->chunk_shift;
 	sector_div(size, fc);
 	size = size * conf->raid_disks;
@@ -2220,7 +2219,8 @@ static int run(mddev_t *mddev)
 	 */
 	stride += conf->raid_disks - 1;
 	sector_div(stride, conf->raid_disks);
-	mddev->dev_sectors = stride << conf->chunk_shift;
+
+	conf->dev_sectors = stride << conf->chunk_shift;
 
 	if (fo)
 		stride = 1;
@@ -2228,18 +2228,63 @@ static int run(mddev_t *mddev)
 		sector_div(stride, fc);
 	conf->stride = stride << conf->chunk_shift;
 
-	conf->r10bio_pool = mempool_create(NR_RAID10_BIOS, r10bio_pool_alloc,
-						r10bio_pool_free, conf);
-	if (!conf->r10bio_pool) {
-		printk(KERN_ERR "raid10: couldn't allocate memory for %s\n",
-			mdname(mddev));
-		goto out_free_conf;
-	}
 
-	conf->mddev = mddev;
 	spin_lock_init(&conf->device_lock);
+	INIT_LIST_HEAD(&conf->retry_list);
+
+	spin_lock_init(&conf->resync_lock);
+	init_waitqueue_head(&conf->wait_barrier);
+
+	conf->thread = md_register_thread(raid10d, mddev, NULL);
+	if (!conf->thread)
+		goto out;
+
+	conf->scale_disks = 0;
+	conf->mddev = mddev;
+	return conf;
+
+ out:
+	printk(KERN_ERR "raid10: couldn't allocate memory for %s\n",
+	       mdname(mddev));
+	if (conf) {
+		if (conf->r10bio_pool)
+			mempool_destroy(conf->r10bio_pool);
+		kfree(conf->mirrors);
+		safe_put_page(conf->tmppage);
+		kfree(conf);
+	}
+	return ERR_PTR(err);
+}
+
+static int run(mddev_t *mddev)
+{
+	conf_t *conf;
+	int i, disk_idx, chunk_size;
+	mirror_info_t *disk;
+	mdk_rdev_t *rdev;
+	sector_t size;
+
+	/*
+	 * copy the already verified devices into our private RAID10
+	 * bookkeeping area. [whatever we allocate in run(),
+	 * should be freed in stop()]
+	 */
+
+	if (mddev->private == NULL) {
+		conf = setup_conf(mddev);
+		if (IS_ERR(conf))
+			return PTR_ERR(conf);
+		mddev->private = conf;
+	}
+	conf = mddev->private;
+	if (!conf)
+		goto out;
+
 	mddev->queue->queue_lock = &conf->device_lock;
 
+	mddev->thread = conf->thread;
+	conf->thread = NULL;
+
 	chunk_size = mddev->chunk_sectors << 9;
 	blk_queue_io_min(mddev->queue, chunk_size);
 	if (conf->raid_disks % conf->near_copies)
@@ -2253,6 +2298,11 @@ static int run(mddev_t *mddev)
 		if (disk_idx >= conf->raid_disks
 		    || disk_idx < 0)
 			continue;
+		if (conf->scale_disks) {
+			disk_idx *= conf->scale_disks;
+			rdev->raid_disk = disk_idx;
+			/* MOVE 'rd%d' link !! */
+		}
 		disk = conf->mirrors + disk_idx;
 
 		disk->rdev = rdev;
@@ -2270,11 +2320,6 @@ static int run(mddev_t *mddev)
 
 		disk->head_position = 0;
 	}
-	INIT_LIST_HEAD(&conf->retry_list);
-
-	spin_lock_init(&conf->resync_lock);
-	init_waitqueue_head(&conf->wait_barrier);
-
 	/* need to check that every block has at least one working mirror */
 	if (!enough(conf)) {
 		printk(KERN_ERR "raid10: not enough operational mirrors for %s\n",
@@ -2296,15 +2341,6 @@ static int run(mddev_t *mddev)
 		}
 	}
 
-
-	mddev->thread = md_register_thread(raid10d, mddev, NULL);
-	if (!mddev->thread) {
-		printk(KERN_ERR
-		       "raid10: couldn't allocate thread for %s\n",
-		       mdname(mddev));
-		goto out_free_conf;
-	}
-
 	if (mddev->recovery_cp != MaxSector)
 		printk(KERN_NOTICE "raid10: %s is not clean"
 		       " -- starting background reconstruction\n",
@@ -2316,8 +2352,10 @@ static int run(mddev_t *mddev)
 	/*
 	 * Ok, everything is just fine now
 	 */
-	md_set_array_sectors(mddev, raid10_size(mddev, 0, 0));
-	mddev->resync_max_sectors = raid10_size(mddev, 0, 0);
+	mddev->dev_sectors = conf->dev_sectors;
+	size = raid10_size(mddev, 0, 0);
+	md_set_array_sectors(mddev, size);
+	mddev->resync_max_sectors = size;
 
 	mddev->queue->unplug_fn = raid10_unplug;
 	mddev->queue->backing_dev_info.congested_fn = raid10_congested;
@@ -2347,6 +2385,7 @@ out_free_conf:
 	kfree(conf->mirrors);
 	kfree(conf);
 	mddev->private = NULL;
+	md_unregister_thread(mddev->thread);
 out:
 	return -EIO;
 }
@@ -2383,6 +2422,58 @@ static void raid10_quiesce(mddev_t *mddev, int state)
 	}
 }
 
+static void *raid10_takeover_raid0(mddev_t *mddev)
+{
+	mdk_rdev_t *rdev;
+	conf_t *conf;
+
+	if (mddev->degraded > 0) {
+		printk(KERN_ERR "error: degraded raid0!\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	/* Update slot numbers to obtain
+	 * degraded raid10 with missing mirrors
+	 */
+	list_for_each_entry(rdev, &mddev->disks, same_set) {
+		rdev->raid_disk *= 2;
+	}
+
+	/* Set new parameters */
+	mddev->new_level = 10;
+	/* new layout: far_copies = 1, near_copies = 2 */
+	mddev->new_layout = (1<<8) + 2;
+	mddev->new_chunk_sectors = mddev->chunk_sectors;
+	mddev->delta_disks = mddev->raid_disks;
+	mddev->degraded = mddev->raid_disks;
+	mddev->raid_disks *= 2;
+	/* make sure it will be not marked as dirty */
+	mddev->recovery_cp = MaxSector;
+
+	conf = setup_conf(mddev);
+	conf->scale_disks = 2;
+	return conf;
+}
+
+static void *raid10_takeover(mddev_t *mddev)
+{
+	struct raid0_private_data *raid0_priv;
+
+	/* raid10 can take over:
+	 *  raid0 - providing it has only two drives
+	 */
+	if (mddev->level == 0) {
+		/* for raid0 takeover only one zone is supported */
+		raid0_priv = mddev->private;
+		if (raid0_priv->nr_strip_zones > 1) {
+			printk(KERN_ERR "md: cannot takeover raid 0 with more than one zone.\n");
+			return ERR_PTR(-EINVAL);
+		}
+		return raid10_takeover_raid0(mddev);
+	}
+	return ERR_PTR(-EINVAL);
+}
+
 static struct mdk_personality raid10_personality =
 {
 	.name		= "raid10",
@@ -2399,6 +2490,7 @@ static struct mdk_personality raid10_personality =
 	.sync_request	= sync_request,
 	.quiesce	= raid10_quiesce,
 	.size		= raid10_size,
+	.takeover	= raid10_takeover,
 };
 
 static int __init raid_init(void)
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index 59cd1efb8d3..3824a087e17 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -33,9 +33,16 @@ struct r10_private_data_s {
 					       * 1 stripe.
 					       */
 
+	sector_t		dev_sectors;  /* temp copy of mddev->dev_sectors */
+
 	int chunk_shift; /* shift from chunks to sectors */
 	sector_t chunk_mask;
 
+	int			scale_disks;  /* When starting array, multiply
+					       * each ->raid_disk by this.
+					       * Need for raid0->raid10 migration
+					       */
+
 	struct list_head	retry_list;
 	/* queue pending writes and submit them on unplug */
 	struct bio_list		pending_bio_list;
@@ -57,6 +64,11 @@ struct r10_private_data_s {
 	mempool_t *r10bio_pool;
 	mempool_t *r10buf_pool;
 	struct page		*tmppage;
+
+	/* When taking over an array from a different personality, we store
+	 * the new thread here until we fully activate the array.
+	 */
+	struct mdk_thread_s	*thread;
 };
 
 typedef struct r10_private_data_s conf_t;

From b71031076e1169e89bdac1b245ad1488587e4730 Mon Sep 17 00:00:00 2001
From: Maciej Trela <Maciej.Trela@intel.com>
Date: Wed, 14 Apr 2010 16:58:16 +1000
Subject: [PATCH 1882/3638] md: Correctly handle device removal via sysfs

Writing "none" to "../md/dev-xx/slot" removes that device
from being an active part of the array, but it didn't
set ->raid_disk to -1 to record this fact.


Signed-off-by: Maciej Trela <Maciej.Trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 7dcc7408955..766be870128 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2385,6 +2385,7 @@ slot_store(mdk_rdev_t *rdev, const char *buf, size_t len)
 			return err;
 		sprintf(nm, "rd%d", rdev->raid_disk);
 		sysfs_remove_link(&rdev->mddev->kobj, nm);
+		rdev->raid_disk = -1;
 		set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery);
 		md_wakeup_thread(rdev->mddev->thread);
 	} else if (rdev->mddev->pers) {

From 233fca36bb439eadcad28500b5139fed7c64a0ae Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Wed, 14 Apr 2010 17:02:09 +1000
Subject: [PATCH 1883/3638] md: Relax checks on ->max_disks when external
 metadata handling is used.

When metadata is being managed by user-space, md doesn't know
what the maximum number of devices allowed in an array is
so ->max_disks is 0.  In this case we should allow any (+ve)
number of disks.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 766be870128..46bdf4b38be 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2801,8 +2801,9 @@ static void analyze_sbs(mddev_t * mddev)
 
 	i = 0;
 	rdev_for_each(rdev, tmp, mddev) {
-		if (rdev->desc_nr >= mddev->max_disks ||
-		    i > mddev->max_disks) {
+		if (mddev->max_disks &&
+		    (rdev->desc_nr >= mddev->max_disks ||
+		     i > mddev->max_disks)) {
 			printk(KERN_WARNING
 			       "md: %s: %s: only %d devices permitted\n",
 			       mdname(mddev), bdevname(rdev->bdev, b),
@@ -5406,7 +5407,7 @@ static int update_raid_disks(mddev_t *mddev, int raid_disks)
 	if (mddev->pers->check_reshape == NULL)
 		return -EINVAL;
 	if (raid_disks <= 0 ||
-	    raid_disks >= mddev->max_disks)
+	    (mddev->max_disks && raid_disks >= mddev->max_disks))
 		return -EINVAL;
 	if (mddev->sync_thread || mddev->reshape_position != MaxSector)
 		return -EBUSY;

From 5cac7861b2de95a1f714ebdc652813abd0afcc73 Mon Sep 17 00:00:00 2001
From: Maciej Trela <Maciej.Trela@intel.com>
Date: Wed, 14 Apr 2010 17:17:39 +1000
Subject: [PATCH 1884/3638] md: notify level changes through sysfs.

Level changes can be very significant, so make sure
to notify them via sysfs.

Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 46bdf4b38be..c5a1b0725c9 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3059,6 +3059,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	set_bit(MD_CHANGE_DEVS, &mddev->flags);
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	md_wakeup_thread(mddev->thread);
+	sysfs_notify(&mddev->kobj, NULL, "level");
 	return rv;
 }
 

From a78d38a1a16c8e009aa512caa71d483757fefc1c Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 22 Mar 2010 16:53:49 +1100
Subject: [PATCH 1885/3638] md: add support for raid5 to raid4 conversion

This is unlikely to be wanted, but we may as well provide it
for completeness.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid5.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index bb28fd6b44f..020143dec18 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5788,6 +5788,18 @@ static void *raid5_takeover(mddev_t *mddev)
 	return ERR_PTR(-EINVAL);
 }
 
+static void *raid4_takeover(mddev_t *mddev)
+{
+	/* raid4 can take over raid5 if layout is right.
+	 */
+	if (mddev->level == 5 &&
+	    mddev->layout == ALGORITHM_PARITY_N) {
+		mddev->new_layout = 0;
+		mddev->new_level = 4;
+		return setup_conf(mddev);
+	}
+	return ERR_PTR(-EINVAL);
+}
 
 static struct mdk_personality raid5_personality;
 
@@ -5903,6 +5915,7 @@ static struct mdk_personality raid4_personality =
 	.start_reshape  = raid5_start_reshape,
 	.finish_reshape = raid5_finish_reshape,
 	.quiesce	= raid5_quiesce,
+	.takeover	= raid4_takeover,
 };
 
 static int __init raid5_init(void)

From 2b7f22284d71975e37a82db154386348eec0e52c Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 25 Mar 2010 16:06:03 +1100
Subject: [PATCH 1886/3638] md/raid5: small tidyup in raid5_align_endio

Diving through ->queue to find mddev is unnecessarily complex - there
is an easier path to finding mddev, so use that.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid5.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 020143dec18..7bfeba3ce1e 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3713,10 +3713,10 @@ static void raid5_align_endio(struct bio *bi, int error)
 
 	bio_put(bi);
 
-	mddev = raid_bi->bi_bdev->bd_disk->queue->queuedata;
-	conf = mddev->private;
 	rdev = (void*)raid_bi->bi_next;
 	raid_bi->bi_next = NULL;
+	mddev = rdev->mddev;
+	conf = mddev->private;
 
 	rdev_dec_pending(rdev, conf->mddev);
 

From 490773268cf64f68da2470e07b52c7944da6312d Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 25 Mar 2010 16:20:56 +1100
Subject: [PATCH 1887/3638] md: move io accounting out of personalities into
 md_make_request

While I generally prefer letting personalities do as much as possible,
given that we have a central md_make_request anyway we may as well use
it to simplify code.
Also this centralises knowledge of ->gendisk which will help later.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/linear.c    |  8 --------
 drivers/md/md.c        | 11 +++++++++++
 drivers/md/multipath.c |  8 --------
 drivers/md/raid0.c     |  8 --------
 drivers/md/raid1.c     |  7 -------
 drivers/md/raid10.c    |  7 -------
 drivers/md/raid5.c     |  8 +-------
 7 files changed, 12 insertions(+), 45 deletions(-)

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 9db8ee0614a..3048c1704f4 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -288,23 +288,15 @@ static int linear_stop (mddev_t *mddev)
 
 static int linear_make_request (struct request_queue *q, struct bio *bio)
 {
-	const int rw = bio_data_dir(bio);
 	mddev_t *mddev = q->queuedata;
 	dev_info_t *tmp_dev;
 	sector_t start_sector;
-	int cpu;
 
 	if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
 		md_barrier_request(mddev, bio);
 		return 0;
 	}
 
-	cpu = part_stat_lock();
-	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-		      bio_sectors(bio));
-	part_stat_unlock();
-
 	rcu_read_lock();
 	tmp_dev = which_dev(mddev, bio->bi_sector);
 	start_sector = tmp_dev->end_sector - tmp_dev->rdev->sectors;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c5a1b0725c9..117663d2a4e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -214,8 +214,11 @@ static DEFINE_SPINLOCK(all_mddevs_lock);
  */
 static int md_make_request(struct request_queue *q, struct bio *bio)
 {
+	const int rw = bio_data_dir(bio);
 	mddev_t *mddev = q->queuedata;
 	int rv;
+	int cpu;
+
 	if (mddev == NULL || mddev->pers == NULL) {
 		bio_io_error(bio);
 		return 0;
@@ -236,7 +239,15 @@ static int md_make_request(struct request_queue *q, struct bio *bio)
 	}
 	atomic_inc(&mddev->active_io);
 	rcu_read_unlock();
+
 	rv = mddev->pers->make_request(q, bio);
+
+	cpu = part_stat_lock();
+	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
+	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
+		      bio_sectors(bio));
+	part_stat_unlock();
+
 	if (atomic_dec_and_test(&mddev->active_io) && mddev->suspended)
 		wake_up(&mddev->sb_wait);
 
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 97befd5cc0e..5b4e2918663 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -141,8 +141,6 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
 	multipath_conf_t *conf = mddev->private;
 	struct multipath_bh * mp_bh;
 	struct multipath_info *multipath;
-	const int rw = bio_data_dir(bio);
-	int cpu;
 
 	if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
 		md_barrier_request(mddev, bio);
@@ -154,12 +152,6 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
 	mp_bh->master_bio = bio;
 	mp_bh->mddev = mddev;
 
-	cpu = part_stat_lock();
-	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-		      bio_sectors(bio));
-	part_stat_unlock();
-
 	mp_bh->path = multipath_map(conf);
 	if (mp_bh->path < 0) {
 		bio_endio(bio, -EIO);
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index afddf624bad..d535f9be39f 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -472,20 +472,12 @@ static int raid0_make_request(struct request_queue *q, struct bio *bio)
 	sector_t sector_offset;
 	struct strip_zone *zone;
 	mdk_rdev_t *tmp_dev;
-	const int rw = bio_data_dir(bio);
-	int cpu;
 
 	if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
 		md_barrier_request(mddev, bio);
 		return 0;
 	}
 
-	cpu = part_stat_lock();
-	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-		      bio_sectors(bio));
-	part_stat_unlock();
-
 	chunk_sects = mddev->chunk_sectors;
 	if (unlikely(!is_io_in_chunk_boundary(mddev, chunk_sects, bio))) {
 		sector_t sector = bio->bi_sector;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 23a7516abbf..e277013ac80 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -787,7 +787,6 @@ static int make_request(struct request_queue *q, struct bio * bio)
 	struct page **behind_pages = NULL;
 	const int rw = bio_data_dir(bio);
 	const bool do_sync = bio_rw_flagged(bio, BIO_RW_SYNCIO);
-	int cpu;
 	bool do_barriers;
 	mdk_rdev_t *blocked_rdev;
 
@@ -833,12 +832,6 @@ static int make_request(struct request_queue *q, struct bio * bio)
 
 	bitmap = mddev->bitmap;
 
-	cpu = part_stat_lock();
-	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-		      bio_sectors(bio));
-	part_stat_unlock();
-
 	/*
 	 * make_request() can abort the operation when READA is being
 	 * used and no empty request is available.
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 57d71d5d88f..ca313d646fd 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -795,7 +795,6 @@ static int make_request(struct request_queue *q, struct bio * bio)
 	mirror_info_t *mirror;
 	r10bio_t *r10_bio;
 	struct bio *read_bio;
-	int cpu;
 	int i;
 	int chunk_sects = conf->chunk_mask + 1;
 	const int rw = bio_data_dir(bio);
@@ -850,12 +849,6 @@ static int make_request(struct request_queue *q, struct bio * bio)
 	 */
 	wait_barrier(conf);
 
-	cpu = part_stat_lock();
-	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-		      bio_sectors(bio));
-	part_stat_unlock();
-
 	r10_bio = mempool_alloc(conf->r10bio_pool, GFP_NOIO);
 
 	r10_bio->master_bio = bio;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 7bfeba3ce1e..c6ae7c19491 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3879,7 +3879,7 @@ static int make_request(struct request_queue *q, struct bio * bi)
 	sector_t logical_sector, last_sector;
 	struct stripe_head *sh;
 	const int rw = bio_data_dir(bi);
-	int cpu, remaining;
+	int remaining;
 
 	if (unlikely(bio_rw_flagged(bi, BIO_RW_BARRIER))) {
 		/* Drain all pending writes.  We only really need
@@ -3894,12 +3894,6 @@ static int make_request(struct request_queue *q, struct bio * bi)
 
 	md_write_start(mddev, bi);
 
-	cpu = part_stat_lock();
-	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-		      bio_sectors(bi));
-	part_stat_unlock();
-
 	if (rw == READ &&
 	     mddev->reshape_position == MaxSector &&
 	     chunk_aligned_read(q,bi))

From 49ce6cea85fb8d25ee59486c919406e9cecf1762 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 29 Mar 2010 10:51:42 +1100
Subject: [PATCH 1888/3638] md: don't reference gendisk in getgeo

Using ->array_sectors rather than get_capacity() is more
direct and is a step towards relaxing the tight connection
between mddev and gendisk.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 117663d2a4e..69f2a8e6ccd 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5556,7 +5556,7 @@ static int md_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 
 	geo->heads = 2;
 	geo->sectors = 4;
-	geo->cylinders = get_capacity(mddev->gendisk) / 8;
+	geo->cylinders = mddev->array_sectors / 8;
 	return 0;
 }
 

From b821eaa572fd737faaf6928ba046e571526c36c6 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 29 Mar 2010 11:18:15 +1100
Subject: [PATCH 1889/3638] md: remove ->changed and related code.

We set ->changed to 1 and call check_disk_change at the end
of md_open so that bd_invalidated would be set and thus
partition rescan would happen appropriately.

Now that we call revalidate_disk directly, which sets bd_invalidates,
that indirection is no longer needed and can be removed.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c    | 22 +---------------------
 drivers/md/md.h    |  1 -
 drivers/md/raid1.c |  1 -
 drivers/md/raid5.c |  2 --
 4 files changed, 1 insertion(+), 25 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 69f2a8e6ccd..f2b30019b1c 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4501,7 +4501,6 @@ static int do_md_run(mddev_t * mddev)
 	md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */
 
 	revalidate_disk(mddev->gendisk);
-	mddev->changed = 1;
 	md_new_event(mddev);
 	sysfs_notify_dirent(mddev->sysfs_state);
 	if (mddev->sysfs_action)
@@ -4620,7 +4619,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 				}
 
 			set_capacity(disk, 0);
-			mddev->changed = 1;
+			revalidate_disk(disk);
 
 			if (mddev->ro)
 				mddev->ro = 0;
@@ -4686,7 +4685,6 @@ out:
 		mddev->sync_speed_min = mddev->sync_speed_max = 0;
 		mddev->recovery = 0;
 		mddev->in_sync = 0;
-		mddev->changed = 0;
 		mddev->degraded = 0;
 		mddev->barriers_work = 0;
 		mddev->safemode = 0;
@@ -5850,7 +5848,6 @@ static int md_open(struct block_device *bdev, fmode_t mode)
 	atomic_inc(&mddev->openers);
 	mutex_unlock(&mddev->open_mutex);
 
-	check_disk_change(bdev);
  out:
 	return err;
 }
@@ -5865,21 +5862,6 @@ static int md_release(struct gendisk *disk, fmode_t mode)
 
 	return 0;
 }
-
-static int md_media_changed(struct gendisk *disk)
-{
-	mddev_t *mddev = disk->private_data;
-
-	return mddev->changed;
-}
-
-static int md_revalidate(struct gendisk *disk)
-{
-	mddev_t *mddev = disk->private_data;
-
-	mddev->changed = 0;
-	return 0;
-}
 static const struct block_device_operations md_fops =
 {
 	.owner		= THIS_MODULE,
@@ -5890,8 +5872,6 @@ static const struct block_device_operations md_fops =
 	.compat_ioctl	= md_compat_ioctl,
 #endif
 	.getgeo		= md_getgeo,
-	.media_changed	= md_media_changed,
-	.revalidate_disk= md_revalidate,
 };
 
 static int md_thread(void * arg)
diff --git a/drivers/md/md.h b/drivers/md/md.h
index e4836c68b73..3225e25f3c2 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -237,7 +237,6 @@ struct mddev_s
 	atomic_t			active;		/* general refcount */
 	atomic_t			openers;	/* number of active opens */
 
-	int				changed;	/* true if we might need to reread partition info */
 	int				degraded;	/* whether md should consider
 							 * adding a spare
 							 */
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index e277013ac80..eebce166daf 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2184,7 +2184,6 @@ static int raid1_resize(mddev_t *mddev, sector_t sectors)
 	if (mddev->array_sectors > raid1_size(mddev, sectors, 0))
 		return -EINVAL;
 	set_capacity(mddev->gendisk, mddev->array_sectors);
-	mddev->changed = 1;
 	revalidate_disk(mddev->gendisk);
 	if (sectors > mddev->dev_sectors &&
 	    mddev->recovery_cp == MaxSector) {
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c6ae7c19491..231afda1697 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5335,7 +5335,6 @@ static int raid5_resize(mddev_t *mddev, sector_t sectors)
 	    raid5_size(mddev, sectors, mddev->raid_disks))
 		return -EINVAL;
 	set_capacity(mddev->gendisk, mddev->array_sectors);
-	mddev->changed = 1;
 	revalidate_disk(mddev->gendisk);
 	if (sectors > mddev->dev_sectors && mddev->recovery_cp == MaxSector) {
 		mddev->recovery_cp = mddev->dev_sectors;
@@ -5549,7 +5548,6 @@ static void raid5_finish_reshape(mddev_t *mddev)
 		if (mddev->delta_disks > 0) {
 			md_set_array_sectors(mddev, raid5_size(mddev, 0, 0));
 			set_capacity(mddev->gendisk, mddev->array_sectors);
-			mddev->changed = 1;
 			revalidate_disk(mddev->gendisk);
 		} else {
 			int d;

From fe60b0142813002be16dfae28780d9779ee22473 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 29 Mar 2010 11:10:42 +1100
Subject: [PATCH 1890/3638] md: factor do_md_run to separate accesses to
 ->gendisk

As part of relaxing the binding between an mddev and gendisk,
we separate do_md_run into two functions.
  md_run does all the work internal to md
  do_md_run calls md_run and makes and changes to gendisk
     that are required.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index f2b30019b1c..e752332268d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4297,11 +4297,10 @@ static void md_safemode_timeout(unsigned long data)
 
 static int start_dirty_degraded;
 
-static int do_md_run(mddev_t * mddev)
+static int md_run(mddev_t *mddev)
 {
 	int err;
 	mdk_rdev_t *rdev;
-	struct gendisk *disk;
 	struct mdk_personality *pers;
 
 	if (list_empty(&mddev->disks))
@@ -4366,8 +4365,6 @@ static int do_md_run(mddev_t * mddev)
 		sysfs_notify_dirent(rdev->sysfs_state);
 	}
 
-	disk = mddev->gendisk;
-
 	spin_lock(&pers_lock);
 	pers = find_pers(mddev->level, mddev->clevel);
 	if (!pers || !try_module_get(pers->owner)) {
@@ -4495,21 +4492,32 @@ static int do_md_run(mddev_t * mddev)
 	if (mddev->flags)
 		md_update_sb(mddev, 0);
 
-	set_capacity(disk, mddev->array_sectors);
-
 	md_wakeup_thread(mddev->thread);
 	md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */
 
-	revalidate_disk(mddev->gendisk);
 	md_new_event(mddev);
 	sysfs_notify_dirent(mddev->sysfs_state);
 	if (mddev->sysfs_action)
 		sysfs_notify_dirent(mddev->sysfs_action);
 	sysfs_notify(&mddev->kobj, NULL, "degraded");
-	kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
 	return 0;
 }
 
+static int do_md_run(mddev_t *mddev)
+{
+	int err;
+
+	err = md_run(mddev);
+	if (err)
+		goto out;
+
+	set_capacity(mddev->gendisk, mddev->array_sectors);
+	revalidate_disk(mddev->gendisk);
+	kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
+out:
+	return err;
+}
+
 static int restart_array(mddev_t *mddev)
 {
 	struct gendisk *disk = mddev->gendisk;

From 6177b472ab14e1ac88896960370dd54ba577d926 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 29 Mar 2010 11:37:13 +1100
Subject: [PATCH 1891/3638] md: start to refactor do_md_stop

do_md_stop is large and clunky, so hard to understand.

This is a first step of refactoring, pulling two simple
sub-functions out.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 98 +++++++++++++++++++++++++++----------------------
 1 file changed, 55 insertions(+), 43 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index e752332268d..002d0a34d6e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4568,6 +4568,58 @@ void restore_bitmap_write_access(struct file *file)
 	spin_unlock(&inode->i_lock);
 }
 
+static void md_clean(mddev_t *mddev)
+{
+	mddev->array_sectors = 0;
+	mddev->external_size = 0;
+	mddev->dev_sectors = 0;
+	mddev->raid_disks = 0;
+	mddev->recovery_cp = 0;
+	mddev->resync_min = 0;
+	mddev->resync_max = MaxSector;
+	mddev->reshape_position = MaxSector;
+	mddev->external = 0;
+	mddev->persistent = 0;
+	mddev->level = LEVEL_NONE;
+	mddev->clevel[0] = 0;
+	mddev->flags = 0;
+	mddev->ro = 0;
+	mddev->metadata_type[0] = 0;
+	mddev->chunk_sectors = 0;
+	mddev->ctime = mddev->utime = 0;
+	mddev->layout = 0;
+	mddev->max_disks = 0;
+	mddev->events = 0;
+	mddev->delta_disks = 0;
+	mddev->new_level = LEVEL_NONE;
+	mddev->new_layout = 0;
+	mddev->new_chunk_sectors = 0;
+	mddev->curr_resync = 0;
+	mddev->resync_mismatches = 0;
+	mddev->suspend_lo = mddev->suspend_hi = 0;
+	mddev->sync_speed_min = mddev->sync_speed_max = 0;
+	mddev->recovery = 0;
+	mddev->in_sync = 0;
+	mddev->degraded = 0;
+	mddev->barriers_work = 0;
+	mddev->safemode = 0;
+	mddev->bitmap_info.offset = 0;
+	mddev->bitmap_info.default_offset = 0;
+	mddev->bitmap_info.chunksize = 0;
+	mddev->bitmap_info.daemon_sleep = 0;
+	mddev->bitmap_info.max_write_behind = 0;
+}
+
+static void md_stop(mddev_t *mddev)
+{
+	mddev->pers->stop(mddev);
+	if (mddev->pers->sync_request && mddev->to_remove == NULL)
+		mddev->to_remove = &md_redundancy_group;
+	module_put(mddev->pers->owner);
+	mddev->pers = NULL;
+
+}
+
 /* mode:
  *   0 - completely stop and dis-assemble array
  *   1 - switch to readonly
@@ -4608,14 +4660,11 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 			if (mddev->ro)
 				set_disk_ro(disk, 0);
 
-			mddev->pers->stop(mddev);
+			md_stop(mddev);
 			mddev->queue->merge_bvec_fn = NULL;
 			mddev->queue->unplug_fn = NULL;
 			mddev->queue->backing_dev_info.congested_fn = NULL;
-			module_put(mddev->pers->owner);
-			if (mddev->pers->sync_request && mddev->to_remove == NULL)
-				mddev->to_remove = &md_redundancy_group;
-			mddev->pers = NULL;
+
 			/* tell userspace to handle 'inactive' */
 			sysfs_notify_dirent(mddev->sysfs_state);
 
@@ -4663,44 +4712,7 @@ out:
 
 		export_array(mddev);
 
-		mddev->array_sectors = 0;
-		mddev->external_size = 0;
-		mddev->dev_sectors = 0;
-		mddev->raid_disks = 0;
-		mddev->recovery_cp = 0;
-		mddev->resync_min = 0;
-		mddev->resync_max = MaxSector;
-		mddev->reshape_position = MaxSector;
-		mddev->external = 0;
-		mddev->persistent = 0;
-		mddev->level = LEVEL_NONE;
-		mddev->clevel[0] = 0;
-		mddev->flags = 0;
-		mddev->ro = 0;
-		mddev->metadata_type[0] = 0;
-		mddev->chunk_sectors = 0;
-		mddev->ctime = mddev->utime = 0;
-		mddev->layout = 0;
-		mddev->max_disks = 0;
-		mddev->events = 0;
-		mddev->delta_disks = 0;
-		mddev->new_level = LEVEL_NONE;
-		mddev->new_layout = 0;
-		mddev->new_chunk_sectors = 0;
-		mddev->curr_resync = 0;
-		mddev->resync_mismatches = 0;
-		mddev->suspend_lo = mddev->suspend_hi = 0;
-		mddev->sync_speed_min = mddev->sync_speed_max = 0;
-		mddev->recovery = 0;
-		mddev->in_sync = 0;
-		mddev->degraded = 0;
-		mddev->barriers_work = 0;
-		mddev->safemode = 0;
-		mddev->bitmap_info.offset = 0;
-		mddev->bitmap_info.default_offset = 0;
-		mddev->bitmap_info.chunksize = 0;
-		mddev->bitmap_info.daemon_sleep = 0;
-		mddev->bitmap_info.max_write_behind = 0;
+		md_clean(mddev);
 		kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
 		if (mddev->hold_active == UNTIL_STOP)
 			mddev->hold_active = 0;

From a047e125403112ceb4d41e68307a2e7498ddba4e Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 29 Mar 2010 12:07:53 +1100
Subject: [PATCH 1892/3638] md: factor md_stop_writes out of do_md_stop.

Further refactoring of do_md_stop.
This one requires some explanation as it takes code from different
places in do_md_stop, so some re-ordering happens.

We only get into this part of do_md_stop if there are no active opens
of the device, so no writes can be happening and the device must have
been flushed.  In md_stop_writes we want to stop any internal sources
of writes - i.e. resync - and flush out the metadata.

The only code that was previously before some of this code is
code to clean up the queue, the mddev, the gendisk, or sysfs, all
of which is probably better after code that makes active changes (i.e.
triggers writes).

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 37 ++++++++++++++++++++++---------------
 1 file changed, 22 insertions(+), 15 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 002d0a34d6e..86dfbc361cc 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4610,6 +4610,27 @@ static void md_clean(mddev_t *mddev)
 	mddev->bitmap_info.max_write_behind = 0;
 }
 
+static void md_stop_writes(mddev_t *mddev)
+{
+	if (mddev->sync_thread) {
+		set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+		set_bit(MD_RECOVERY_INTR, &mddev->recovery);
+		md_unregister_thread(mddev->sync_thread);
+		mddev->sync_thread = NULL;
+	}
+
+	del_timer_sync(&mddev->safemode_timer);
+
+	bitmap_flush(mddev);
+	md_super_wait(mddev);
+
+	if (!mddev->in_sync || mddev->flags) {
+		/* mark array as shutdown cleanly */
+		mddev->in_sync = 1;
+		md_update_sb(mddev, 1);
+	}
+}
+
 static void md_stop(mddev_t *mddev)
 {
 	mddev->pers->stop(mddev);
@@ -4637,14 +4658,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 		err = -EBUSY;
 	} else if (mddev->pers) {
 
-		if (mddev->sync_thread) {
-			set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
-			set_bit(MD_RECOVERY_INTR, &mddev->recovery);
-			md_unregister_thread(mddev->sync_thread);
-			mddev->sync_thread = NULL;
-		}
-
-		del_timer_sync(&mddev->safemode_timer);
+		md_stop_writes(mddev);
 
 		switch(mode) {
 		case 1: /* readonly */
@@ -4655,8 +4669,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 			break;
 		case 0: /* disassemble */
 		case 2: /* stop */
-			bitmap_flush(mddev);
-			md_super_wait(mddev);
 			if (mddev->ro)
 				set_disk_ro(disk, 0);
 
@@ -4681,11 +4693,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 			if (mddev->ro)
 				mddev->ro = 0;
 		}
-		if (!mddev->in_sync || mddev->flags) {
-			/* mark array as shutdown cleanly */
-			mddev->in_sync = 1;
-			md_update_sb(mddev, 1);
-		}
 		if (mode == 1)
 			set_disk_ro(disk, 1);
 		clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);

From a4bd82d0d03b1485975579f131ccfd0aad6b7d6e Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 29 Mar 2010 13:23:10 +1100
Subject: [PATCH 1893/3638] md: split md_set_readonly out of do_md_stop

Using do_md_stop to set an array to read-only is a little confusing.
Now most of the common code has been factored out, split
md_set_readonly off in to a separate function.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 90 ++++++++++++++++++++++++++++---------------------
 1 file changed, 51 insertions(+), 39 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 86dfbc361cc..3a2710a2e10 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3309,6 +3309,7 @@ array_state_show(mddev_t *mddev, char *page)
 }
 
 static int do_md_stop(mddev_t * mddev, int ro, int is_open);
+static int md_set_readonly(mddev_t * mddev, int is_open);
 static int do_md_run(mddev_t * mddev);
 static int restart_array(mddev_t *mddev);
 
@@ -3339,7 +3340,7 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len)
 		break; /* not supported yet */
 	case readonly:
 		if (mddev->pers)
-			err = do_md_stop(mddev, 1, 0);
+			err = md_set_readonly(mddev, 0);
 		else {
 			mddev->ro = 1;
 			set_disk_ro(mddev->gendisk, 1);
@@ -3349,7 +3350,7 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len)
 	case read_auto:
 		if (mddev->pers) {
 			if (mddev->ro == 0)
-				err = do_md_stop(mddev, 1, 0);
+				err = md_set_readonly(mddev, 0);
 			else if (mddev->ro == 1)
 				err = restart_array(mddev);
 			if (err == 0) {
@@ -4641,9 +4642,34 @@ static void md_stop(mddev_t *mddev)
 
 }
 
+static int md_set_readonly(mddev_t *mddev, int is_open)
+{
+	int err = 0;
+	mutex_lock(&mddev->open_mutex);
+	if (atomic_read(&mddev->openers) > is_open) {
+		printk("md: %s still in use.\n",mdname(mddev));
+		err = -EBUSY;
+		goto out;
+	}
+	if (mddev->pers) {
+		md_stop_writes(mddev);
+
+		err  = -ENXIO;
+		if (mddev->ro==1)
+			goto out;
+		mddev->ro = 1;
+		set_disk_ro(mddev->gendisk, 1);
+		clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+		sysfs_notify_dirent(mddev->sysfs_state);
+		err = 0;	
+	}
+out:
+	mutex_unlock(&mddev->open_mutex);
+	return err;
+}
+
 /* mode:
  *   0 - completely stop and dis-assemble array
- *   1 - switch to readonly
  *   2 - stop but do not disassemble array
  */
 static int do_md_stop(mddev_t * mddev, int mode, int is_open)
@@ -4660,45 +4686,33 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 
 		md_stop_writes(mddev);
 
-		switch(mode) {
-		case 1: /* readonly */
-			err  = -ENXIO;
-			if (mddev->ro==1)
-				goto out;
-			mddev->ro = 1;
-			break;
-		case 0: /* disassemble */
-		case 2: /* stop */
-			if (mddev->ro)
-				set_disk_ro(disk, 0);
+		if (mddev->ro)
+			set_disk_ro(disk, 0);
 
-			md_stop(mddev);
-			mddev->queue->merge_bvec_fn = NULL;
-			mddev->queue->unplug_fn = NULL;
-			mddev->queue->backing_dev_info.congested_fn = NULL;
+		md_stop(mddev);
+		mddev->queue->merge_bvec_fn = NULL;
+		mddev->queue->unplug_fn = NULL;
+		mddev->queue->backing_dev_info.congested_fn = NULL;
 
-			/* tell userspace to handle 'inactive' */
-			sysfs_notify_dirent(mddev->sysfs_state);
+		/* tell userspace to handle 'inactive' */
+		sysfs_notify_dirent(mddev->sysfs_state);
 
-			list_for_each_entry(rdev, &mddev->disks, same_set)
-				if (rdev->raid_disk >= 0) {
-					char nm[20];
-					sprintf(nm, "rd%d", rdev->raid_disk);
-					sysfs_remove_link(&mddev->kobj, nm);
-				}
+		list_for_each_entry(rdev, &mddev->disks, same_set)
+			if (rdev->raid_disk >= 0) {
+				char nm[20];
+				sprintf(nm, "rd%d", rdev->raid_disk);
+				sysfs_remove_link(&mddev->kobj, nm);
+			}
 
-			set_capacity(disk, 0);
-			revalidate_disk(disk);
+		set_capacity(disk, 0);
+		revalidate_disk(disk);
 
-			if (mddev->ro)
-				mddev->ro = 0;
-		}
-		if (mode == 1)
-			set_disk_ro(disk, 1);
+		if (mddev->ro)
+			mddev->ro = 0;
+		
 		clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
 		err = 0;
 	}
-out:
 	mutex_unlock(&mddev->open_mutex);
 	if (err)
 		return err;
@@ -4724,9 +4738,7 @@ out:
 		if (mddev->hold_active == UNTIL_STOP)
 			mddev->hold_active = 0;
 
-	} else if (mddev->pers)
-		printk(KERN_INFO "md: %s switched to read-only mode.\n",
-			mdname(mddev));
+	}
 	err = 0;
 	blk_integrity_unregister(disk);
 	md_new_event(mddev);
@@ -5724,7 +5736,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 			goto done_unlock;
 
 		case STOP_ARRAY_RO:
-			err = do_md_stop(mddev, 1, 1);
+			err = md_set_readonly(mddev, 1);
 			goto done_unlock;
 
 		case BLKROSET:
@@ -7140,7 +7152,7 @@ static int md_notify_reboot(struct notifier_block *this,
 				 * appears to still be in use.  Hence
 				 * the '100'.
 				 */
-				do_md_stop(mddev, 1, 100);
+				md_set_readonly(mddev, 100);
 				mddev_unlock(mddev);
 			}
 		/*

From cca9cf90c504d98644ace52c474770970729f0eb Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 1 Apr 2010 12:08:16 +1100
Subject: [PATCH 1894/3638] md: call md_stop_writes from md_stop

This moves the call to the other side of set_readonly, but that should
not be an issue.
This encapsulates in 'md_stop' all of the functionality for internally
stopping the array, leaving all the interactions with externalities
(sysfs, request_queue, gendisk) in do_md_stop.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 3a2710a2e10..f48ba419cd7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4634,12 +4634,14 @@ static void md_stop_writes(mddev_t *mddev)
 
 static void md_stop(mddev_t *mddev)
 {
+	md_stop_writes(mddev);
+
 	mddev->pers->stop(mddev);
 	if (mddev->pers->sync_request && mddev->to_remove == NULL)
 		mddev->to_remove = &md_redundancy_group;
 	module_put(mddev->pers->owner);
 	mddev->pers = NULL;
-
+	clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
 }
 
 static int md_set_readonly(mddev_t *mddev, int is_open)
@@ -4684,8 +4686,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 		err = -EBUSY;
 	} else if (mddev->pers) {
 
-		md_stop_writes(mddev);
-
 		if (mddev->ro)
 			set_disk_ro(disk, 0);
 
@@ -4710,7 +4710,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 		if (mddev->ro)
 			mddev->ro = 0;
 		
-		clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
 		err = 0;
 	}
 	mutex_unlock(&mddev->open_mutex);

From 21a52c6d05c15f862797736393915bfa8cd40ee9 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 1 Apr 2010 15:02:13 +1100
Subject: [PATCH 1895/3638] md: pass mddev to make_request functions rather
 than request_queue

We used to pass the personality make_request function direct
to the block layer so the first argument had to be a queue.
But now we have the intermediary md_make_request so it makes
at lot more sense to pass a struct mddev_s.
It makes it possible to have an mddev without its own queue too.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/faulty.c    | 3 +--
 drivers/md/linear.c    | 7 +++----
 drivers/md/md.c        | 4 ++--
 drivers/md/md.h        | 2 +-
 drivers/md/multipath.c | 3 +--
 drivers/md/raid0.c     | 7 +++----
 drivers/md/raid1.c     | 3 +--
 drivers/md/raid10.c    | 7 +++----
 drivers/md/raid5.c     | 8 +++-----
 9 files changed, 18 insertions(+), 26 deletions(-)

diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 608a8d3736e..bd4348f6be0 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -168,9 +168,8 @@ static void add_sector(conf_t *conf, sector_t start, int mode)
 		conf->nfaults = n+1;
 }
 
-static int make_request(struct request_queue *q, struct bio *bio)
+static int make_request(mddev_t *mddev, struct bio *bio)
 {
-	mddev_t *mddev = q->queuedata;
 	conf_t *conf = mddev->private;
 	int failit = 0;
 
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 3048c1704f4..3204a2263f2 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -286,9 +286,8 @@ static int linear_stop (mddev_t *mddev)
 	return 0;
 }
 
-static int linear_make_request (struct request_queue *q, struct bio *bio)
+static int linear_make_request (mddev_t *mddev, struct bio *bio)
 {
-	mddev_t *mddev = q->queuedata;
 	dev_info_t *tmp_dev;
 	sector_t start_sector;
 
@@ -328,9 +327,9 @@ static int linear_make_request (struct request_queue *q, struct bio *bio)
 
 		bp = bio_split(bio, end_sector - bio->bi_sector);
 
-		if (linear_make_request(q, &bp->bio1))
+		if (linear_make_request(mddev, &bp->bio1))
 			generic_make_request(&bp->bio1);
-		if (linear_make_request(q, &bp->bio2))
+		if (linear_make_request(mddev, &bp->bio2))
 			generic_make_request(&bp->bio2);
 		bio_pair_release(bp);
 		return 0;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index f48ba419cd7..2e05b0c2515 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -240,7 +240,7 @@ static int md_make_request(struct request_queue *q, struct bio *bio)
 	atomic_inc(&mddev->active_io);
 	rcu_read_unlock();
 
-	rv = mddev->pers->make_request(q, bio);
+	rv = mddev->pers->make_request(mddev, bio);
 
 	cpu = part_stat_lock();
 	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
@@ -354,7 +354,7 @@ static void md_submit_barrier(struct work_struct *ws)
 		bio_endio(bio, 0);
 	else {
 		bio->bi_rw &= ~(1<<BIO_RW_BARRIER);
-		if (mddev->pers->make_request(mddev->queue, bio))
+		if (mddev->pers->make_request(mddev, bio))
 			generic_make_request(bio);
 		mddev->barrier = POST_REQUEST_BARRIER;
 		submit_barriers(mddev);
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 3225e25f3c2..a536f545809 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -330,7 +330,7 @@ struct mdk_personality
 	int level;
 	struct list_head list;
 	struct module *owner;
-	int (*make_request)(struct request_queue *q, struct bio *bio);
+	int (*make_request)(mddev_t *mddev, struct bio *bio);
 	int (*run)(mddev_t *mddev);
 	int (*stop)(mddev_t *mddev);
 	void (*status)(struct seq_file *seq, mddev_t *mddev);
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 5b4e2918663..50bf8e6f8c7 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -135,9 +135,8 @@ static void multipath_unplug(struct request_queue *q)
 }
 
 
-static int multipath_make_request (struct request_queue *q, struct bio * bio)
+static int multipath_make_request(mddev_t *mddev, struct bio * bio)
 {
-	mddev_t *mddev = q->queuedata;
 	multipath_conf_t *conf = mddev->private;
 	struct multipath_bh * mp_bh;
 	struct multipath_info *multipath;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index d535f9be39f..9f9c6b76ca7 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -465,9 +465,8 @@ static inline int is_io_in_chunk_boundary(mddev_t *mddev,
 	}
 }
 
-static int raid0_make_request(struct request_queue *q, struct bio *bio)
+static int raid0_make_request(mddev_t *mddev, struct bio *bio)
 {
-	mddev_t *mddev = q->queuedata;
 	unsigned int chunk_sects;
 	sector_t sector_offset;
 	struct strip_zone *zone;
@@ -495,9 +494,9 @@ static int raid0_make_request(struct request_queue *q, struct bio *bio)
 		else
 			bp = bio_split(bio, chunk_sects -
 				       sector_div(sector, chunk_sects));
-		if (raid0_make_request(q, &bp->bio1))
+		if (raid0_make_request(mddev, &bp->bio1))
 			generic_make_request(&bp->bio1);
-		if (raid0_make_request(q, &bp->bio2))
+		if (raid0_make_request(mddev, &bp->bio2))
 			generic_make_request(&bp->bio2);
 
 		bio_pair_release(bp);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index eebce166daf..5ff75c4d3af 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -773,9 +773,8 @@ do_sync_io:
 	return NULL;
 }
 
-static int make_request(struct request_queue *q, struct bio * bio)
+static int make_request(mddev_t *mddev, struct bio * bio)
 {
-	mddev_t *mddev = q->queuedata;
 	conf_t *conf = mddev->private;
 	mirror_info_t *mirror;
 	r1bio_t *r1_bio;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index ca313d646fd..a1d727610a4 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -788,9 +788,8 @@ static void unfreeze_array(conf_t *conf)
 	spin_unlock_irq(&conf->resync_lock);
 }
 
-static int make_request(struct request_queue *q, struct bio * bio)
+static int make_request(mddev_t *mddev, struct bio * bio)
 {
-	mddev_t *mddev = q->queuedata;
 	conf_t *conf = mddev->private;
 	mirror_info_t *mirror;
 	r10bio_t *r10_bio;
@@ -824,9 +823,9 @@ static int make_request(struct request_queue *q, struct bio * bio)
 		 */
 		bp = bio_split(bio,
 			       chunk_sects - (bio->bi_sector & (chunk_sects - 1)) );
-		if (make_request(q, &bp->bio1))
+		if (make_request(mddev, &bp->bio1))
 			generic_make_request(&bp->bio1);
-		if (make_request(q, &bp->bio2))
+		if (make_request(mddev, &bp->bio2))
 			generic_make_request(&bp->bio2);
 
 		bio_pair_release(bp);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 231afda1697..2882a26646f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3753,9 +3753,8 @@ static int bio_fits_rdev(struct bio *bi)
 }
 
 
-static int chunk_aligned_read(struct request_queue *q, struct bio * raid_bio)
+static int chunk_aligned_read(mddev_t *mddev, struct bio * raid_bio)
 {
-	mddev_t *mddev = q->queuedata;
 	raid5_conf_t *conf = mddev->private;
 	int dd_idx;
 	struct bio* align_bi;
@@ -3870,9 +3869,8 @@ static struct stripe_head *__get_priority_stripe(raid5_conf_t *conf)
 	return sh;
 }
 
-static int make_request(struct request_queue *q, struct bio * bi)
+static int make_request(mddev_t *mddev, struct bio * bi)
 {
-	mddev_t *mddev = q->queuedata;
 	raid5_conf_t *conf = mddev->private;
 	int dd_idx;
 	sector_t new_sector;
@@ -3896,7 +3894,7 @@ static int make_request(struct request_queue *q, struct bio * bi)
 
 	if (rw == READ &&
 	     mddev->reshape_position == MaxSector &&
-	     chunk_aligned_read(q,bi))
+	     chunk_aligned_read(mddev,bi))
 		return 0;
 
 	logical_sector = bi->bi_sector & ~((sector_t)STRIPE_SECTORS-1);

From fafd7fb052182e087b5a3c6c408e4ac8c2b5fa14 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 1 Apr 2010 15:55:30 +1100
Subject: [PATCH 1896/3638] md: factor out init code for an mddev

This is a simple factorisation that makes mddev_find easier to read.


Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 39 ++++++++++++++++++++++-----------------
 1 file changed, 22 insertions(+), 17 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2e05b0c2515..d3579fc9efe 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -416,6 +416,27 @@ static void mddev_put(mddev_t *mddev)
 	spin_unlock(&all_mddevs_lock);
 }
 
+static void mddev_init(mddev_t *mddev)
+{
+	mutex_init(&mddev->open_mutex);
+	mutex_init(&mddev->reconfig_mutex);
+	mutex_init(&mddev->bitmap_info.mutex);
+	INIT_LIST_HEAD(&mddev->disks);
+	INIT_LIST_HEAD(&mddev->all_mddevs);
+	init_timer(&mddev->safemode_timer);
+	atomic_set(&mddev->active, 1);
+	atomic_set(&mddev->openers, 0);
+	atomic_set(&mddev->active_io, 0);
+	spin_lock_init(&mddev->write_lock);
+	atomic_set(&mddev->flush_pending, 0);
+	init_waitqueue_head(&mddev->sb_wait);
+	init_waitqueue_head(&mddev->recovery_wait);
+	mddev->reshape_position = MaxSector;
+	mddev->resync_min = 0;
+	mddev->resync_max = MaxSector;
+	mddev->level = LEVEL_NONE;
+}
+
 static mddev_t * mddev_find(dev_t unit)
 {
 	mddev_t *mddev, *new = NULL;
@@ -482,23 +503,7 @@ static mddev_t * mddev_find(dev_t unit)
 	else
 		new->md_minor = MINOR(unit) >> MdpMinorShift;
 
-	mutex_init(&new->open_mutex);
-	mutex_init(&new->reconfig_mutex);
-	mutex_init(&new->bitmap_info.mutex);
-	INIT_LIST_HEAD(&new->disks);
-	INIT_LIST_HEAD(&new->all_mddevs);
-	init_timer(&new->safemode_timer);
-	atomic_set(&new->active, 1);
-	atomic_set(&new->openers, 0);
-	atomic_set(&new->active_io, 0);
-	spin_lock_init(&new->write_lock);
-	atomic_set(&new->flush_pending, 0);
-	init_waitqueue_head(&new->sb_wait);
-	init_waitqueue_head(&new->recovery_wait);
-	new->reshape_position = MaxSector;
-	new->resync_min = 0;
-	new->resync_max = MaxSector;
-	new->level = LEVEL_NONE;
+	mddev_init(new);
 
 	goto retry;
 }

From 9e35b99c7efacfddc748c89a0c53b1122b0ee72c Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 6 Apr 2010 14:23:02 +1000
Subject: [PATCH 1897/3638] md: don't unregister the thread in mddev_suspend

This is
 - unnecessary because mddev_suspend is always followed by a call to
   ->stop, and each ->stop unregisters the thread, and
 - a problem as it makes it awkwards to suspend and then resume a
   device as we will want later.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index d3579fc9efe..af0780ae56b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -254,6 +254,12 @@ static int md_make_request(struct request_queue *q, struct bio *bio)
 	return rv;
 }
 
+/* mddev_suspend makes sure no new requests are submitted
+ * to the device, and that any requests that have been submitted
+ * are completely handled.
+ * Once ->stop is called and completes, the module will be completely
+ * unused.
+ */
 static void mddev_suspend(mddev_t *mddev)
 {
 	BUG_ON(mddev->suspended);
@@ -261,13 +267,6 @@ static void mddev_suspend(mddev_t *mddev)
 	synchronize_rcu();
 	wait_event(mddev->sb_wait, atomic_read(&mddev->active_io) == 0);
 	mddev->pers->quiesce(mddev, 1);
-	md_unregister_thread(mddev->thread);
-	mddev->thread = NULL;
-	/* we now know that no code is executing in the personality module,
-	 * except possibly the tail end of a ->bi_end_io function, but that
-	 * is certain to complete before the module has a chance to get
-	 * unloaded
-	 */
 }
 
 static void mddev_resume(mddev_t *mddev)

From d754c5ae1ff76b20d3ecde8ad666d7865eada8ae Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Wed, 7 Apr 2010 12:14:43 +1000
Subject: [PATCH 1898/3638] md/raid1: fix confusing 'redirect sector' message.

This message seems to suggest the named device is the one on which a
read failed, however it is actually the device that the read will be
redirected to.
So make the message a little clearer.

Reported-by: Tim Burgess <ozburgess@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid1.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 5ff75c4d3af..2e08e48b02d 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1689,10 +1689,10 @@ static void raid1d(mddev_t *mddev)
 				r1_bio->bios[r1_bio->read_disk] = bio;
 				rdev = conf->mirrors[disk].rdev;
 				if (printk_ratelimit())
-					printk(KERN_ERR "raid1: %s: redirecting sector %llu to"
-					       " another mirror\n",
-					       bdevname(rdev->bdev,b),
-					       (unsigned long long)r1_bio->sector);
+					printk(KERN_ERR "raid1: redirecting sector %llu to"
+					       " other mirror: %s\n",
+					       (unsigned long long)r1_bio->sector,
+					       bdevname(rdev->bdev,b));
 				bio->bi_sector = r1_bio->sector + rdev->data_offset;
 				bio->bi_bdev = rdev->bdev;
 				bio->bi_end_io = raid1_end_read_request;

From e555190d82c0f58e825e3cbd9e6ebe2e7ac713bd Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Wed, 31 Mar 2010 11:21:44 +1100
Subject: [PATCH 1899/3638] md/raid1: delay reads that could overtake
 behind-writes.

When a raid1 array is configured to support write-behind
on some devices, it normally only reads from other devices.
If all devices are write-behind (because the rest have failed)
it is possible for a read request to be serviced before a
behind-write request, which would appear as data corruption.

So when forced to read from a WriteMostly device, wait for any
write-behind to complete, and don't start any more behind-writes.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/bitmap.c |  4 +++-
 drivers/md/bitmap.h |  1 +
 drivers/md/raid1.c  | 25 ++++++++++++++++++-------
 3 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 49d6080387c..c9c6a345e17 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1356,7 +1356,8 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
 {
 	if (!bitmap) return;
 	if (behind) {
-		atomic_dec(&bitmap->behind_writes);
+		if (atomic_dec_and_test(&bitmap->behind_writes))
+			wake_up(&bitmap->behind_wait);
 		PRINTK(KERN_DEBUG "dec write-behind count %d/%d\n",
 		  atomic_read(&bitmap->behind_writes), bitmap->max_write_behind);
 	}
@@ -1680,6 +1681,7 @@ int bitmap_create(mddev_t *mddev)
 	atomic_set(&bitmap->pending_writes, 0);
 	init_waitqueue_head(&bitmap->write_wait);
 	init_waitqueue_head(&bitmap->overflow_wait);
+	init_waitqueue_head(&bitmap->behind_wait);
 
 	bitmap->mddev = mddev;
 
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index aa82b7caa85..3797dea4723 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -240,6 +240,7 @@ struct bitmap {
 	atomic_t pending_writes; /* pending writes to the bitmap file */
 	wait_queue_head_t write_wait;
 	wait_queue_head_t overflow_wait;
+	wait_queue_head_t behind_wait;
 
 	struct sysfs_dirent *sysfs_can_clear;
 };
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 2e08e48b02d..cb2da87ad59 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -857,6 +857,15 @@ static int make_request(mddev_t *mddev, struct bio * bio)
 		}
 		mirror = conf->mirrors + rdisk;
 
+		if (test_bit(WriteMostly, &mirror->rdev->flags) &&
+		    bitmap) {
+			/* Reading from a write-mostly device must
+			 * take care not to over-take any writes
+			 * that are 'behind'
+			 */
+			wait_event(bitmap->behind_wait,
+				   atomic_read(&bitmap->behind_writes) == 0);
+		}
 		r1_bio->read_disk = rdisk;
 
 		read_bio = bio_clone(bio, GFP_NOIO);
@@ -934,10 +943,14 @@ static int make_request(mddev_t *mddev, struct bio * bio)
 		set_bit(R1BIO_Degraded, &r1_bio->state);
 	}
 
-	/* do behind I/O ? */
+	/* do behind I/O ?
+	 * Not if there are too many, or cannot allocate memory,
+	 * or a reader on WriteMostly is waiting for behind writes 
+	 * to flush */
 	if (bitmap &&
 	    (atomic_read(&bitmap->behind_writes)
 	     < mddev->bitmap_info.max_write_behind) &&
+	    !waitqueue_active(&bitmap->behind_wait) &&
 	    (behind_pages = alloc_behind_pages(bio)) != NULL)
 		set_bit(R1BIO_BehindIO, &r1_bio->state);
 
@@ -2144,15 +2157,13 @@ static int stop(mddev_t *mddev)
 {
 	conf_t *conf = mddev->private;
 	struct bitmap *bitmap = mddev->bitmap;
-	int behind_wait = 0;
 
 	/* wait for behind writes to complete */
-	while (bitmap && atomic_read(&bitmap->behind_writes) > 0) {
-		behind_wait++;
-		printk(KERN_INFO "raid1: behind writes in progress on device %s, waiting to stop (%d)\n", mdname(mddev), behind_wait);
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(HZ); /* wait a second */
+	if (bitmap && atomic_read(&bitmap->behind_writes) > 0) {
+		printk(KERN_INFO "raid1: behind writes in progress on device %s, waiting to stop.\n", mdname(mddev));
 		/* need to kick something here to make sure I/O goes? */
+		wait_event(bitmap->behind_wait,
+			   atomic_read(&bitmap->behind_writes) == 0);
 	}
 
 	raise_barrier(conf);

From f1b29bcae116409db5e543622aadab43041c9ae9 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Sat, 1 May 2010 18:09:05 -0700
Subject: [PATCH 1900/3638] md/raid4: permit raid0 takeover

For consistency allow raid4 to takeover raid0 in addition to raid5 (with a
raid4 layout).

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/md/raid5.c | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 2882a26646f..81563b7c035 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5610,10 +5610,17 @@ static void raid5_quiesce(mddev_t *mddev, int state)
 }
 
 
-static void *raid5_takeover_raid0(mddev_t *mddev)
+static void *raid45_takeover_raid0(mddev_t *mddev, int level)
 {
+	struct raid0_private_data *raid0_priv = mddev->private;
 
-	mddev->new_level = 5;
+	/* for raid0 takeover only one zone is supported */
+	if (raid0_priv->nr_strip_zones > 1) {
+		printk(KERN_ERR "md: cannot takeover raid0 with more than one zone.\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	mddev->new_level = level;
 	mddev->new_layout = ALGORITHM_PARITY_N;
 	mddev->new_chunk_sectors = mddev->chunk_sectors;
 	mddev->raid_disks += 1;
@@ -5749,22 +5756,13 @@ static int raid6_check_reshape(mddev_t *mddev)
 static void *raid5_takeover(mddev_t *mddev)
 {
 	/* raid5 can take over:
-	 *  raid0 - if all devices are the same - make it a raid4 layout
+	 *  raid0 - if there is only one strip zone - make it a raid4 layout
 	 *  raid1 - if there are two drives.  We need to know the chunk size
 	 *  raid4 - trivial - just use a raid4 layout.
 	 *  raid6 - Providing it is a *_6 layout
 	 */
-	if (mddev->level == 0) {
-		/* for raid0 takeover only one zone is supported */
-		struct raid0_private_data *raid0_priv
-			= mddev->private;
-		if (raid0_priv->nr_strip_zones > 1) {
-			printk(KERN_ERR "md: cannot takeover raid 0 with more than one zone.\n");
-			return ERR_PTR(-EINVAL);
-		}
-		return raid5_takeover_raid0(mddev);
-	}
-
+	if (mddev->level == 0)
+		return raid45_takeover_raid0(mddev, 5);
 	if (mddev->level == 1)
 		return raid5_takeover_raid1(mddev);
 	if (mddev->level == 4) {
@@ -5780,8 +5778,12 @@ static void *raid5_takeover(mddev_t *mddev)
 
 static void *raid4_takeover(mddev_t *mddev)
 {
-	/* raid4 can take over raid5 if layout is right.
+	/* raid4 can take over:
+	 *  raid0 - if there is only one strip zone
+	 *  raid5 - if layout is right
 	 */
+	if (mddev->level == 0)
+		return raid45_takeover_raid0(mddev, 4);
 	if (mddev->level == 5 &&
 	    mddev->layout == ALGORITHM_PARITY_N) {
 		mddev->new_layout = 0;

From bb7f8d2217d8753ab5008c78f16697d9e697d570 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Sat, 1 May 2010 18:14:57 -0700
Subject: [PATCH 1901/3638] md: notify mdstat waiters of level change

Level modifications change the output of mdstat.  The mdmon manager
thread is interested in these events for external metadata management.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/md/md.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index af0780ae56b..69f659e46aa 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3075,6 +3075,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	md_wakeup_thread(mddev->thread);
 	sysfs_notify(&mddev->kobj, NULL, "level");
+	md_new_event(mddev);
 	return rv;
 }
 

From f2859af6716ce99cac7f35c5a0c6b7fed346312f Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Sun, 2 May 2010 10:04:16 -0700
Subject: [PATCH 1902/3638] md: allow integers to be passed to md/level

e.g. allow md to interpret 'echo 4 > md/level' as a request for raid4.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/md/md.c | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 69f659e46aa..b8a0fcfb1de 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2934,9 +2934,10 @@ level_show(mddev_t *mddev, char *page)
 static ssize_t
 level_store(mddev_t *mddev, const char *buf, size_t len)
 {
-	char level[16];
+	char clevel[16];
 	ssize_t rv = len;
 	struct mdk_personality *pers;
+	long level;
 	void *priv;
 	mdk_rdev_t *rdev;
 
@@ -2969,19 +2970,22 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	}
 
 	/* Now find the new personality */
-	if (len == 0 || len >= sizeof(level))
+	if (len == 0 || len >= sizeof(clevel))
 		return -EINVAL;
-	strncpy(level, buf, len);
-	if (level[len-1] == '\n')
+	strncpy(clevel, buf, len);
+	if (clevel[len-1] == '\n')
 		len--;
-	level[len] = 0;
+	clevel[len] = 0;
+	if (strict_strtol(clevel, 10, &level))
+		level = LEVEL_NONE;
 
-	request_module("md-%s", level);
+	if (request_module("md-%s", clevel) != 0)
+		request_module("md-level-%s", clevel);
 	spin_lock(&pers_lock);
-	pers = find_pers(LEVEL_NONE, level);
+	pers = find_pers(level, clevel);
 	if (!pers || !try_module_get(pers->owner)) {
 		spin_unlock(&pers_lock);
-		printk(KERN_WARNING "md: personality %s not loaded\n", level);
+		printk(KERN_WARNING "md: personality %s not loaded\n", clevel);
 		return -EINVAL;
 	}
 	spin_unlock(&pers_lock);
@@ -2994,7 +2998,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	if (!pers->takeover) {
 		module_put(pers->owner);
 		printk(KERN_WARNING "md: %s: %s does not support personality takeover\n",
-		       mdname(mddev), level);
+		       mdname(mddev), clevel);
 		return -EINVAL;
 	}
 
@@ -3010,7 +3014,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 		mddev->delta_disks = 0;
 		module_put(pers->owner);
 		printk(KERN_WARNING "md: %s: %s would not accept array\n",
-		       mdname(mddev), level);
+		       mdname(mddev), clevel);
 		return PTR_ERR(priv);
 	}
 

From 08fb730ca346ff16598ef31911c88fbca6133bf5 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 3 May 2010 13:16:56 +1000
Subject: [PATCH 1903/3638] md: remove EXPERIMENTAL designation from RAID10

RAID10 has been available for quite a while now and is quite well
tested, so we can remove the EXPERIMENTAL designation.

Reported-by: Eric MSP Veith <eveith@wwweb-library.net>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index acb3a4e404f..4a6feac8c94 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -100,8 +100,8 @@ config MD_RAID1
 	  If unsure, say Y.
 
 config MD_RAID10
-	tristate "RAID-10 (mirrored striping) mode (EXPERIMENTAL)"
-	depends on BLK_DEV_MD && EXPERIMENTAL
+	tristate "RAID-10 (mirrored striping) mode"
+	depends on BLK_DEV_MD
 	---help---
 	  RAID-10 provides a combination of striping (RAID-0) and
 	  mirroring (RAID-1) with easier configuration and more flexible

From 0c55e02259115c151e4835dd417cf41467bb02e2 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 3 May 2010 14:09:02 +1000
Subject: [PATCH 1904/3638] md/raid5: improve consistency of error messages.

Many 'printk' messages from the raid456 module mention 'raid5' even
though it may be a 'raid6' or even 'raid4' array.  This can cause
confusion.
Also the actual array name is not always reported and when it is
it is not reported consistently.

So change all the messages to start:
    md/raid:%s:
where '%s' becomes e.g. md3 to identify the particular array.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid5.c | 149 +++++++++++++++++++++------------------------
 1 file changed, 69 insertions(+), 80 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 81563b7c035..cee9f93b35c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1509,7 +1509,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
 		set_bit(R5_UPTODATE, &sh->dev[i].flags);
 		if (test_bit(R5_ReadError, &sh->dev[i].flags)) {
 			rdev = conf->disks[i].rdev;
-			printk_rl(KERN_INFO "raid5:%s: read error corrected"
+			printk_rl(KERN_INFO "md/raid:%s: read error corrected"
 				  " (%lu sectors at %llu on %s)\n",
 				  mdname(conf->mddev), STRIPE_SECTORS,
 				  (unsigned long long)(sh->sector
@@ -1529,7 +1529,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
 		atomic_inc(&rdev->read_errors);
 		if (conf->mddev->degraded)
 			printk_rl(KERN_WARNING
-				  "raid5:%s: read error not correctable "
+				  "md/raid:%s: read error not correctable "
 				  "(sector %llu on %s).\n",
 				  mdname(conf->mddev),
 				  (unsigned long long)(sh->sector
@@ -1538,7 +1538,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
 		else if (test_bit(R5_ReWrite, &sh->dev[i].flags))
 			/* Oh, no!!! */
 			printk_rl(KERN_WARNING
-				  "raid5:%s: read error NOT corrected!! "
+				  "md/raid:%s: read error NOT corrected!! "
 				  "(sector %llu on %s).\n",
 				  mdname(conf->mddev),
 				  (unsigned long long)(sh->sector
@@ -1547,7 +1547,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
 		else if (atomic_read(&rdev->read_errors)
 			 > conf->max_nr_stripes)
 			printk(KERN_WARNING
-			       "raid5:%s: Too many read errors, failing device %s.\n",
+			       "md/raid:%s: Too many read errors, failing device %s.\n",
 			       mdname(conf->mddev), bdn);
 		else
 			retry = 1;
@@ -1620,7 +1620,7 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
 {
 	char b[BDEVNAME_SIZE];
 	raid5_conf_t *conf = mddev->private;
-	pr_debug("raid5: error called\n");
+	pr_debug("raid456: error called\n");
 
 	if (!test_bit(Faulty, &rdev->flags)) {
 		set_bit(MD_CHANGE_DEVS, &mddev->flags);
@@ -1636,9 +1636,13 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
 		}
 		set_bit(Faulty, &rdev->flags);
 		printk(KERN_ALERT
-		       "raid5: Disk failure on %s, disabling device.\n"
-		       "raid5: Operation continuing on %d devices.\n",
-		       bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded);
+		       "md/raid:%s: Disk failure on %s, disabling device.\n"
+		       KERN_ALERT
+		       "md/raid:%s: Operation continuing on %d devices.\n",
+		       mdname(mddev),
+		       bdevname(rdev->bdev, b),
+		       mdname(mddev),
+		       conf->raid_disks - mddev->degraded);
 	}
 }
 
@@ -1719,8 +1723,6 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
 			pd_idx = data_disks;
 			break;
 		default:
-			printk(KERN_ERR "raid5: unsupported algorithm %d\n",
-				algorithm);
 			BUG();
 		}
 		break;
@@ -1836,10 +1838,7 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
 			qd_idx = raid_disks - 1;
 			break;
 
-
 		default:
-			printk(KERN_CRIT "raid6: unsupported algorithm %d\n",
-			       algorithm);
 			BUG();
 		}
 		break;
@@ -1902,8 +1901,6 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous)
 		case ALGORITHM_PARITY_N:
 			break;
 		default:
-			printk(KERN_ERR "raid5: unsupported algorithm %d\n",
-			       algorithm);
 			BUG();
 		}
 		break;
@@ -1962,8 +1959,6 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous)
 			i -= 1;
 			break;
 		default:
-			printk(KERN_CRIT "raid6: unsupported algorithm %d\n",
-			       algorithm);
 			BUG();
 		}
 		break;
@@ -1976,7 +1971,8 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous)
 				     previous, &dummy1, &sh2);
 	if (check != sh->sector || dummy1 != dd_idx || sh2.pd_idx != sh->pd_idx
 		|| sh2.qd_idx != sh->qd_idx) {
-		printk(KERN_ERR "compute_blocknr: map not correct\n");
+		printk(KERN_ERR "md/raid:%s: compute_blocknr: map not correct\n",
+		       mdname(conf->mddev));
 		return 0;
 	}
 	return r_sector;
@@ -3942,7 +3938,7 @@ static int make_request(mddev_t *mddev, struct bio * bi)
 		new_sector = raid5_compute_sector(conf, logical_sector,
 						  previous,
 						  &dd_idx, NULL);
-		pr_debug("raid5: make_request, sector %llu logical %llu\n",
+		pr_debug("raid456: make_request, sector %llu logical %llu\n",
 			(unsigned long long)new_sector, 
 			(unsigned long long)logical_sector);
 
@@ -4721,7 +4717,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
 	if (mddev->new_level != 5
 	    && mddev->new_level != 4
 	    && mddev->new_level != 6) {
-		printk(KERN_ERR "raid5: %s: raid level not set to 4/5/6 (%d)\n",
+		printk(KERN_ERR "md/raid:%s: raid level not set to 4/5/6 (%d)\n",
 		       mdname(mddev), mddev->new_level);
 		return ERR_PTR(-EIO);
 	}
@@ -4729,12 +4725,12 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
 	     && !algorithm_valid_raid5(mddev->new_layout)) ||
 	    (mddev->new_level == 6
 	     && !algorithm_valid_raid6(mddev->new_layout))) {
-		printk(KERN_ERR "raid5: %s: layout %d not supported\n",
+		printk(KERN_ERR "md/raid:%s: layout %d not supported\n",
 		       mdname(mddev), mddev->new_layout);
 		return ERR_PTR(-EIO);
 	}
 	if (mddev->new_level == 6 && mddev->raid_disks < 4) {
-		printk(KERN_ERR "raid6: not enough configured devices for %s (%d, minimum 4)\n",
+		printk(KERN_ERR "md/raid:%s: not enough configured devices (%d, minimum 4)\n",
 		       mdname(mddev), mddev->raid_disks);
 		return ERR_PTR(-EINVAL);
 	}
@@ -4742,8 +4738,8 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
 	if (!mddev->new_chunk_sectors ||
 	    (mddev->new_chunk_sectors << 9) % PAGE_SIZE ||
 	    !is_power_of_2(mddev->new_chunk_sectors)) {
-		printk(KERN_ERR "raid5: invalid chunk size %d for %s\n",
-		       mddev->new_chunk_sectors << 9, mdname(mddev));
+		printk(KERN_ERR "md/raid:%s: invalid chunk size %d\n",
+		       mdname(mddev), mddev->new_chunk_sectors << 9);
 		return ERR_PTR(-EINVAL);
 	}
 
@@ -4785,7 +4781,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
 	if (raid5_alloc_percpu(conf) != 0)
 		goto abort;
 
-	pr_debug("raid5: run(%s) called.\n", mdname(mddev));
+	pr_debug("raid456: run(%s) called.\n", mdname(mddev));
 
 	list_for_each_entry(rdev, &mddev->disks, same_set) {
 		raid_disk = rdev->raid_disk;
@@ -4798,9 +4794,9 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
 
 		if (test_bit(In_sync, &rdev->flags)) {
 			char b[BDEVNAME_SIZE];
-			printk(KERN_INFO "raid5: device %s operational as raid"
-				" disk %d\n", bdevname(rdev->bdev,b),
-				raid_disk);
+			printk(KERN_INFO "md/raid:%s: device %s operational as raid"
+			       " disk %d\n",
+			       mdname(mddev), bdevname(rdev->bdev, b), raid_disk);
 		} else
 			/* Cannot rely on bitmap to complete recovery */
 			conf->fullsync = 1;
@@ -4824,16 +4820,17 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
 		 max_disks * ((sizeof(struct bio) + PAGE_SIZE))) / 1024;
 	if (grow_stripes(conf, conf->max_nr_stripes)) {
 		printk(KERN_ERR
-			"raid5: couldn't allocate %dkB for buffers\n", memory);
+		       "md/raid:%s: couldn't allocate %dkB for buffers\n",
+		       mdname(mddev), memory);
 		goto abort;
 	} else
-		printk(KERN_INFO "raid5: allocated %dkB for %s\n",
-			memory, mdname(mddev));
+		printk(KERN_INFO "md/raid:%s: allocated %dkB\n",
+		       mdname(mddev), memory);
 
 	conf->thread = md_register_thread(raid5d, mddev, NULL);
 	if (!conf->thread) {
 		printk(KERN_ERR
-		       "raid5: couldn't allocate thread for %s\n",
+		       "md/raid:%s: couldn't allocate thread.\n",
 		       mdname(mddev));
 		goto abort;
 	}
@@ -4884,7 +4881,7 @@ static int run(mddev_t *mddev)
 	sector_t reshape_offset = 0;
 
 	if (mddev->recovery_cp != MaxSector)
-		printk(KERN_NOTICE "raid5: %s is not clean"
+		printk(KERN_NOTICE "md/raid:%s: not clean"
 		       " -- starting background reconstruction\n",
 		       mdname(mddev));
 	if (mddev->reshape_position != MaxSector) {
@@ -4898,7 +4895,7 @@ static int run(mddev_t *mddev)
 		int max_degraded = (mddev->level == 6 ? 2 : 1);
 
 		if (mddev->new_level != mddev->level) {
-			printk(KERN_ERR "raid5: %s: unsupported reshape "
+			printk(KERN_ERR "md/raid:%s: unsupported reshape "
 			       "required - aborting.\n",
 			       mdname(mddev));
 			return -EINVAL;
@@ -4911,8 +4908,8 @@ static int run(mddev_t *mddev)
 		here_new = mddev->reshape_position;
 		if (sector_div(here_new, mddev->new_chunk_sectors *
 			       (mddev->raid_disks - max_degraded))) {
-			printk(KERN_ERR "raid5: reshape_position not "
-			       "on a stripe boundary\n");
+			printk(KERN_ERR "md/raid:%s: reshape_position not "
+			       "on a stripe boundary\n", mdname(mddev));
 			return -EINVAL;
 		}
 		reshape_offset = here_new * mddev->new_chunk_sectors;
@@ -4933,8 +4930,9 @@ static int run(mddev_t *mddev)
 			if ((here_new * mddev->new_chunk_sectors != 
 			     here_old * mddev->chunk_sectors) ||
 			    mddev->ro == 0) {
-				printk(KERN_ERR "raid5: in-place reshape must be started"
-				       " in read-only mode - aborting\n");
+				printk(KERN_ERR "md/raid:%s: in-place reshape must be started"
+				       " in read-only mode - aborting\n",
+				       mdname(mddev));
 				return -EINVAL;
 			}
 		} else if (mddev->delta_disks < 0
@@ -4943,11 +4941,13 @@ static int run(mddev_t *mddev)
 		    : (here_new * mddev->new_chunk_sectors >=
 		       here_old * mddev->chunk_sectors)) {
 			/* Reading from the same stripe as writing to - bad */
-			printk(KERN_ERR "raid5: reshape_position too early for "
-			       "auto-recovery - aborting.\n");
+			printk(KERN_ERR "md/raid:%s: reshape_position too early for "
+			       "auto-recovery - aborting.\n",
+			       mdname(mddev));
 			return -EINVAL;
 		}
-		printk(KERN_INFO "raid5: reshape will continue\n");
+		printk(KERN_INFO "md/raid:%s: reshape will continue\n",
+		       mdname(mddev));
 		/* OK, we should be able to continue; */
 	} else {
 		BUG_ON(mddev->level != mddev->new_level);
@@ -4989,18 +4989,6 @@ static int run(mddev_t *mddev)
 		    mddev->minor_version > 90)
 			rdev->recovery_offset = reshape_offset;
 			
-		printk("%d: w=%d pa=%d pr=%d m=%d a=%d r=%d op1=%d op2=%d\n",
-		       rdev->raid_disk, working_disks, conf->prev_algo,
-		       conf->previous_raid_disks, conf->max_degraded,
-		       conf->algorithm, conf->raid_disks, 
-		       only_parity(rdev->raid_disk,
-				   conf->prev_algo,
-				   conf->previous_raid_disks,
-				   conf->max_degraded),
-		       only_parity(rdev->raid_disk,
-				   conf->algorithm,
-				   conf->raid_disks,
-				   conf->max_degraded));
 		if (rdev->recovery_offset < reshape_offset) {
 			/* We need to check old and new layout */
 			if (!only_parity(rdev->raid_disk,
@@ -5021,7 +5009,7 @@ static int run(mddev_t *mddev)
 			   - working_disks);
 
 	if (mddev->degraded > conf->max_degraded) {
-		printk(KERN_ERR "raid5: not enough operational devices for %s"
+		printk(KERN_ERR "md/raid:%s: not enough operational devices"
 			" (%d/%d failed)\n",
 			mdname(mddev), mddev->degraded, conf->raid_disks);
 		goto abort;
@@ -5035,32 +5023,32 @@ static int run(mddev_t *mddev)
 	    mddev->recovery_cp != MaxSector) {
 		if (mddev->ok_start_degraded)
 			printk(KERN_WARNING
-			       "raid5: starting dirty degraded array: %s"
-			       "- data corruption possible.\n",
+			       "md/raid:%s: starting dirty degraded array"
+			       " - data corruption possible.\n",
 			       mdname(mddev));
 		else {
 			printk(KERN_ERR
-			       "raid5: cannot start dirty degraded array for %s\n",
+			       "md/raid:%s: cannot start dirty degraded array.\n",
 			       mdname(mddev));
 			goto abort;
 		}
 	}
 
 	if (mddev->degraded == 0)
-		printk("raid5: raid level %d set %s active with %d out of %d"
-		       " devices, algorithm %d\n", conf->level, mdname(mddev),
+		printk(KERN_INFO "md/raid:%s: raid level %d active with %d out of %d"
+		       " devices, algorithm %d\n", mdname(mddev), conf->level,
 		       mddev->raid_disks-mddev->degraded, mddev->raid_disks,
 		       mddev->new_layout);
 	else
-		printk(KERN_ALERT "raid5: raid level %d set %s active with %d"
-			" out of %d devices, algorithm %d\n", conf->level,
-			mdname(mddev), mddev->raid_disks - mddev->degraded,
-			mddev->raid_disks, mddev->new_layout);
+		printk(KERN_ALERT "md/raid:%s: raid level %d active with %d"
+		       " out of %d devices, algorithm %d\n",
+		       mdname(mddev), conf->level,
+		       mddev->raid_disks - mddev->degraded,
+		       mddev->raid_disks, mddev->new_layout);
 
 	print_raid5_conf(conf);
 
 	if (conf->reshape_progress != MaxSector) {
-		printk("...ok start reshape thread\n");
 		conf->reshape_safe = conf->reshape_progress;
 		atomic_set(&conf->reshape_stripes, 0);
 		clear_bit(MD_RECOVERY_SYNC, &mddev->recovery);
@@ -5087,7 +5075,7 @@ static int run(mddev_t *mddev)
 		mddev->to_remove = NULL;
 	else if (sysfs_create_group(&mddev->kobj, &raid5_attrs_group))
 		printk(KERN_WARNING
-		       "raid5: failed to create sysfs attributes for %s\n",
+		       "md/raid:%s: failed to create sysfs attributes.\n",
 		       mdname(mddev));
 
 	mddev->queue->queue_lock = &conf->device_lock;
@@ -5117,12 +5105,10 @@ abort:
 		free_conf(conf);
 	}
 	mddev->private = NULL;
-	printk(KERN_ALERT "raid5: failed to run raid set %s\n", mdname(mddev));
+	printk(KERN_ALERT "md/raid:%s: failed to run raid set.\n", mdname(mddev));
 	return -EIO;
 }
 
-
-
 static int stop(mddev_t *mddev)
 {
 	raid5_conf_t *conf = mddev->private;
@@ -5196,21 +5182,22 @@ static void print_raid5_conf (raid5_conf_t *conf)
 	int i;
 	struct disk_info *tmp;
 
-	printk("RAID5 conf printout:\n");
+	printk(KERN_DEBUG "RAID conf printout:\n");
 	if (!conf) {
 		printk("(conf==NULL)\n");
 		return;
 	}
-	printk(" --- rd:%d wd:%d\n", conf->raid_disks,
-		 conf->raid_disks - conf->mddev->degraded);
+	printk(KERN_DEBUG " --- level:%d rd:%d wd:%d\n", conf->level,
+	       conf->raid_disks,
+	       conf->raid_disks - conf->mddev->degraded);
 
 	for (i = 0; i < conf->raid_disks; i++) {
 		char b[BDEVNAME_SIZE];
 		tmp = conf->disks + i;
 		if (tmp->rdev)
-		printk(" disk %d, o:%d, dev:%s\n",
-			i, !test_bit(Faulty, &tmp->rdev->flags),
-			bdevname(tmp->rdev->bdev,b));
+			printk(KERN_DEBUG " disk %d, o:%d, dev:%s\n",
+			       i, !test_bit(Faulty, &tmp->rdev->flags),
+			       bdevname(tmp->rdev->bdev, b));
 	}
 }
 
@@ -5358,7 +5345,8 @@ static int check_stripe_cache(mddev_t *mddev)
 	    > conf->max_nr_stripes ||
 	    ((mddev->new_chunk_sectors << 9) / STRIPE_SIZE) * 4
 	    > conf->max_nr_stripes) {
-		printk(KERN_WARNING "raid5: reshape: not enough stripes.  Needed %lu\n",
+		printk(KERN_WARNING "md/raid:%s: reshape: not enough stripes.  Needed %lu\n",
+		       mdname(mddev),
 		       ((max(mddev->chunk_sectors, mddev->new_chunk_sectors) << 9)
 			/ STRIPE_SIZE)*4);
 		return 0;
@@ -5429,7 +5417,7 @@ static int raid5_start_reshape(mddev_t *mddev)
 	 */
 	if (raid5_size(mddev, 0, conf->raid_disks + mddev->delta_disks)
 	    < mddev->array_sectors) {
-		printk(KERN_ERR "md: %s: array size must be reduced "
+		printk(KERN_ERR "md/raid:%s: array size must be reduced "
 		       "before number of disks\n", mdname(mddev));
 		return -EINVAL;
 	}
@@ -5467,9 +5455,9 @@ static int raid5_start_reshape(mddev_t *mddev)
 				if (sysfs_create_link(&mddev->kobj,
 						      &rdev->kobj, nm))
 					printk(KERN_WARNING
-					       "raid5: failed to create "
-					       " link %s for %s\n",
-					       nm, mdname(mddev));
+					       "md/raid:%s: failed to create "
+					       " link %s\n",
+					       mdname(mddev), nm);
 			} else
 				break;
 		}
@@ -5616,7 +5604,8 @@ static void *raid45_takeover_raid0(mddev_t *mddev, int level)
 
 	/* for raid0 takeover only one zone is supported */
 	if (raid0_priv->nr_strip_zones > 1) {
-		printk(KERN_ERR "md: cannot takeover raid0 with more than one zone.\n");
+		printk(KERN_ERR "md/raid:%s: cannot takeover raid0 with more than one zone.\n",
+		       mdname(mddev));
 		return ERR_PTR(-EINVAL);
 	}
 

From 9dd1e2faf72f79a2af9dcbd059473c06648726c2 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 3 May 2010 14:30:35 +1000
Subject: [PATCH 1905/3638] md/raid1: improve printk messages

Make sure the array name is included in a uniform way in all printk
messages.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid1.c | 57 +++++++++++++++++++++++-----------------------
 1 file changed, 29 insertions(+), 28 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index cb2da87ad59..1db02c4955a 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -296,7 +296,8 @@ static void raid1_end_read_request(struct bio *bio, int error)
 		 */
 		char b[BDEVNAME_SIZE];
 		if (printk_ratelimit())
-			printk(KERN_ERR "raid1: %s: rescheduling sector %llu\n",
+			printk(KERN_ERR "md/raid1:%s: %s: rescheduling sector %llu\n",
+			       mdname(conf->mddev),
 			       bdevname(conf->mirrors[mirror].rdev->bdev,b), (unsigned long long)r1_bio->sector);
 		reschedule_retry(r1_bio);
 	}
@@ -1075,21 +1076,22 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
 	} else
 		set_bit(Faulty, &rdev->flags);
 	set_bit(MD_CHANGE_DEVS, &mddev->flags);
-	printk(KERN_ALERT "raid1: Disk failure on %s, disabling device.\n"
-		"raid1: Operation continuing on %d devices.\n",
-		bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded);
+	printk(KERN_ALERT "md/raid1:%s: Disk failure on %s, disabling device.\n"
+	       KERN_ALERT "md/raid1:%s: Operation continuing on %d devices.\n",
+	       mdname(mddev), bdevname(rdev->bdev, b),
+	       mdname(mddev), conf->raid_disks - mddev->degraded);
 }
 
 static void print_conf(conf_t *conf)
 {
 	int i;
 
-	printk("RAID1 conf printout:\n");
+	printk(KERN_DEBUG "RAID1 conf printout:\n");
 	if (!conf) {
-		printk("(!conf)\n");
+		printk(KERN_DEBUG "(!conf)\n");
 		return;
 	}
-	printk(" --- wd:%d rd:%d\n", conf->raid_disks - conf->mddev->degraded,
+	printk(KERN_DEBUG " --- wd:%d rd:%d\n", conf->raid_disks - conf->mddev->degraded,
 		conf->raid_disks);
 
 	rcu_read_lock();
@@ -1097,7 +1099,7 @@ static void print_conf(conf_t *conf)
 		char b[BDEVNAME_SIZE];
 		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		if (rdev)
-			printk(" disk %d, wo:%d, o:%d, dev:%s\n",
+			printk(KERN_DEBUG " disk %d, wo:%d, o:%d, dev:%s\n",
 			       i, !test_bit(In_sync, &rdev->flags),
 			       !test_bit(Faulty, &rdev->flags),
 			       bdevname(rdev->bdev,b));
@@ -1458,9 +1460,10 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
 				char b[BDEVNAME_SIZE];
 				/* Cannot read from anywhere, array is toast */
 				md_error(mddev, conf->mirrors[r1_bio->read_disk].rdev);
-				printk(KERN_ALERT "raid1: %s: unrecoverable I/O read error"
+				printk(KERN_ALERT "md/raid1:%s: %s: unrecoverable I/O read error"
 				       " for block %llu\n",
-				       bdevname(bio->bi_bdev,b),
+				       mdname(mddev),
+				       bdevname(bio->bi_bdev, b),
 				       (unsigned long long)r1_bio->sector);
 				md_done_sync(mddev, r1_bio->sectors, 0);
 				put_buf(r1_bio);
@@ -1582,7 +1585,7 @@ static void fix_read_error(conf_t *conf, int read_disk,
 				else {
 					atomic_add(s, &rdev->corrected_errors);
 					printk(KERN_INFO
-					       "raid1:%s: read error corrected "
+					       "md/raid1:%s: read error corrected "
 					       "(%d sectors at %llu on %s)\n",
 					       mdname(mddev), s,
 					       (unsigned long long)(sect +
@@ -1687,8 +1690,9 @@ static void raid1d(mddev_t *mddev)
 
 			bio = r1_bio->bios[r1_bio->read_disk];
 			if ((disk=read_balance(conf, r1_bio)) == -1) {
-				printk(KERN_ALERT "raid1: %s: unrecoverable I/O"
+				printk(KERN_ALERT "md/raid1:%s: %s: unrecoverable I/O"
 				       " read error for block %llu\n",
+				       mdname(mddev),
 				       bdevname(bio->bi_bdev,b),
 				       (unsigned long long)r1_bio->sector);
 				raid_end_bio_io(r1_bio);
@@ -1702,8 +1706,9 @@ static void raid1d(mddev_t *mddev)
 				r1_bio->bios[r1_bio->read_disk] = bio;
 				rdev = conf->mirrors[disk].rdev;
 				if (printk_ratelimit())
-					printk(KERN_ERR "raid1: redirecting sector %llu to"
+					printk(KERN_ERR "md/raid1:%s: redirecting sector %llu to"
 					       " other mirror: %s\n",
+					       mdname(mddev),
 					       (unsigned long long)r1_bio->sector,
 					       bdevname(rdev->bdev,b));
 				bio->bi_sector = r1_bio->sector + rdev->data_offset;
@@ -1760,13 +1765,8 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
 	int still_degraded = 0;
 
 	if (!conf->r1buf_pool)
-	{
-/*
-		printk("sync start - bitmap %p\n", mddev->bitmap);
-*/
 		if (init_resync(conf))
 			return 0;
-	}
 
 	max_sector = mddev->dev_sectors;
 	if (sector_nr >= max_sector) {
@@ -2047,7 +2047,7 @@ static conf_t *setup_conf(mddev_t *mddev)
 
 	err = -EIO;
 	if (conf->last_used < 0) {
-		printk(KERN_ERR "raid1: no operational mirrors for %s\n",
+		printk(KERN_ERR "md/raid1:%s: no operational mirrors\n",
 		       mdname(mddev));
 		goto abort;
 	}
@@ -2055,7 +2055,7 @@ static conf_t *setup_conf(mddev_t *mddev)
 	conf->thread = md_register_thread(raid1d, mddev, NULL);
 	if (!conf->thread) {
 		printk(KERN_ERR
-		       "raid1: couldn't allocate thread for %s\n",
+		       "md/raid1:%s: couldn't allocate thread\n",
 		       mdname(mddev));
 		goto abort;
 	}
@@ -2081,12 +2081,12 @@ static int run(mddev_t *mddev)
 	mdk_rdev_t *rdev;
 
 	if (mddev->level != 1) {
-		printk("raid1: %s: raid level not set to mirroring (%d)\n",
+		printk(KERN_ERR "md/raid1:%s: raid level not set to mirroring (%d)\n",
 		       mdname(mddev), mddev->level);
 		return -EIO;
 	}
 	if (mddev->reshape_position != MaxSector) {
-		printk("raid1: %s: reshape_position set but not supported\n",
+		printk(KERN_ERR "md/raid1:%s: reshape_position set but not supported\n",
 		       mdname(mddev));
 		return -EIO;
 	}
@@ -2129,11 +2129,11 @@ static int run(mddev_t *mddev)
 		mddev->recovery_cp = MaxSector;
 
 	if (mddev->recovery_cp != MaxSector)
-		printk(KERN_NOTICE "raid1: %s is not clean"
+		printk(KERN_NOTICE "md/raid1:%s: not clean"
 		       " -- starting background reconstruction\n",
 		       mdname(mddev));
 	printk(KERN_INFO 
-		"raid1: raid set %s active with %d out of %d mirrors\n",
+		"md/raid1:%s: active with %d out of %d mirrors\n",
 		mdname(mddev), mddev->raid_disks - mddev->degraded, 
 		mddev->raid_disks);
 
@@ -2160,7 +2160,8 @@ static int stop(mddev_t *mddev)
 
 	/* wait for behind writes to complete */
 	if (bitmap && atomic_read(&bitmap->behind_writes) > 0) {
-		printk(KERN_INFO "raid1: behind writes in progress on device %s, waiting to stop.\n", mdname(mddev));
+		printk(KERN_INFO "md/raid1:%s: behind writes in progress - waiting to stop.\n",
+		       mdname(mddev));
 		/* need to kick something here to make sure I/O goes? */
 		wait_event(bitmap->behind_wait,
 			   atomic_read(&bitmap->behind_writes) == 0);
@@ -2288,9 +2289,9 @@ static int raid1_reshape(mddev_t *mddev)
 			if (sysfs_create_link(&mddev->kobj,
 					      &rdev->kobj, nm))
 				printk(KERN_WARNING
-				       "md/raid1: cannot register "
-				       "%s for %s\n",
-				       nm, mdname(mddev));
+				       "md/raid1:%s: cannot register "
+				       "%s\n",
+				       mdname(mddev), nm);
 		}
 		if (rdev)
 			newmirrors[d2++].rdev = rdev;

From 128595ed6ff2c7358ae253a560d47a0af463bc99 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 3 May 2010 14:47:14 +1000
Subject: [PATCH 1906/3638] md/raid10: tidy up printk messages.

All raid10 printk messages now start
   md/raid10:md-device-name:

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid10.c | 72 ++++++++++++++++++++++++++-------------------
 1 file changed, 42 insertions(+), 30 deletions(-)

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index a1d727610a4..e0742c43948 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -285,7 +285,8 @@ static void raid10_end_read_request(struct bio *bio, int error)
 		 */
 		char b[BDEVNAME_SIZE];
 		if (printk_ratelimit())
-			printk(KERN_ERR "raid10: %s: rescheduling sector %llu\n",
+			printk(KERN_ERR "md/raid10:%s: %s: rescheduling sector %llu\n",
+			       mdname(conf->mddev),
 			       bdevname(conf->mirrors[dev].rdev->bdev,b), (unsigned long long)r10_bio->sector);
 		reschedule_retry(r10_bio);
 	}
@@ -831,8 +832,8 @@ static int make_request(mddev_t *mddev, struct bio * bio)
 		bio_pair_release(bp);
 		return 0;
 	bad_map:
-		printk("raid10_make_request bug: can't convert block across chunks"
-		       " or bigger than %dk %llu %d\n", chunk_sects/2,
+		printk("md/raid10:%s: make_request bug: can't convert block across chunks"
+		       " or bigger than %dk %llu %d\n", mdname(mddev), chunk_sects/2,
 		       (unsigned long long)bio->bi_sector, bio->bi_size >> 10);
 
 		bio_io_error(bio);
@@ -1031,9 +1032,10 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
 	}
 	set_bit(Faulty, &rdev->flags);
 	set_bit(MD_CHANGE_DEVS, &mddev->flags);
-	printk(KERN_ALERT "raid10: Disk failure on %s, disabling device.\n"
-		"raid10: Operation continuing on %d devices.\n",
-		bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded);
+	printk(KERN_ALERT "md/raid10:%s: Disk failure on %s, disabling device.\n"
+	       KERN_ALERT "md/raid10:%s: Operation continuing on %d devices.\n",
+	       mdname(mddev), bdevname(rdev->bdev, b),
+	       mdname(mddev), conf->raid_disks - mddev->degraded);
 }
 
 static void print_conf(conf_t *conf)
@@ -1041,19 +1043,19 @@ static void print_conf(conf_t *conf)
 	int i;
 	mirror_info_t *tmp;
 
-	printk("RAID10 conf printout:\n");
+	printk(KERN_DEBUG "RAID10 conf printout:\n");
 	if (!conf) {
-		printk("(!conf)\n");
+		printk(KERN_DEBUG "(!conf)\n");
 		return;
 	}
-	printk(" --- wd:%d rd:%d\n", conf->raid_disks - conf->mddev->degraded,
+	printk(KERN_DEBUG " --- wd:%d rd:%d\n", conf->raid_disks - conf->mddev->degraded,
 		conf->raid_disks);
 
 	for (i = 0; i < conf->raid_disks; i++) {
 		char b[BDEVNAME_SIZE];
 		tmp = conf->mirrors + i;
 		if (tmp->rdev)
-			printk(" disk %d, wo:%d, o:%d, dev:%s\n",
+			printk(KERN_DEBUG " disk %d, wo:%d, o:%d, dev:%s\n",
 				i, !test_bit(In_sync, &tmp->rdev->flags),
 			        !test_bit(Faulty, &tmp->rdev->flags),
 				bdevname(tmp->rdev->bdev,b));
@@ -1502,13 +1504,14 @@ static void fix_read_error(conf_t *conf, mddev_t *mddev, r10bio_t *r10_bio)
 		if (cur_read_error_count > max_read_errors) {
 			rcu_read_unlock();
 			printk(KERN_NOTICE
-			       "raid10: %s: Raid device exceeded "
+			       "md/raid10:%s: %s: Raid device exceeded "
 			       "read_error threshold "
 			       "[cur %d:max %d]\n",
+			       mdname(mddev),
 			       b, cur_read_error_count, max_read_errors);
 			printk(KERN_NOTICE
-			       "raid10: %s: Failing raid "
-			       "device\n", b);
+			       "md/raid10:%s: %s: Failing raid "
+			       "device\n", mdname(mddev), b);
 			md_error(mddev, conf->mirrors[d].rdev);
 			return;
 		}
@@ -1578,15 +1581,16 @@ static void fix_read_error(conf_t *conf, mddev_t *mddev, r10bio_t *r10_bio)
 				    == 0) {
 					/* Well, this device is dead */
 					printk(KERN_NOTICE
-					       "raid10:%s: read correction "
+					       "md/raid10:%s: read correction "
 					       "write failed"
 					       " (%d sectors at %llu on %s)\n",
 					       mdname(mddev), s,
 					       (unsigned long long)(sect+
 					       rdev->data_offset),
 					       bdevname(rdev->bdev, b));
-					printk(KERN_NOTICE "raid10:%s: failing "
+					printk(KERN_NOTICE "md/raid10:%s: %s: failing "
 					       "drive\n",
+					       mdname(mddev),
 					       bdevname(rdev->bdev, b));
 					md_error(mddev, rdev);
 				}
@@ -1614,20 +1618,21 @@ static void fix_read_error(conf_t *conf, mddev_t *mddev, r10bio_t *r10_bio)
 						 READ) == 0) {
 					/* Well, this device is dead */
 					printk(KERN_NOTICE
-					       "raid10:%s: unable to read back "
+					       "md/raid10:%s: unable to read back "
 					       "corrected sectors"
 					       " (%d sectors at %llu on %s)\n",
 					       mdname(mddev), s,
 					       (unsigned long long)(sect+
 						    rdev->data_offset),
 					       bdevname(rdev->bdev, b));
-					printk(KERN_NOTICE "raid10:%s: failing drive\n",
+					printk(KERN_NOTICE "md/raid10:%s: %s: failing drive\n",
+					       mdname(mddev),
 					       bdevname(rdev->bdev, b));
 
 					md_error(mddev, rdev);
 				} else {
 					printk(KERN_INFO
-					       "raid10:%s: read error corrected"
+					       "md/raid10:%s: read error corrected"
 					       " (%d sectors at %llu on %s)\n",
 					       mdname(mddev), s,
 					       (unsigned long long)(sect+
@@ -1702,8 +1707,9 @@ static void raid10d(mddev_t *mddev)
 				mddev->ro ? IO_BLOCKED : NULL;
 			mirror = read_balance(conf, r10_bio);
 			if (mirror == -1) {
-				printk(KERN_ALERT "raid10: %s: unrecoverable I/O"
+				printk(KERN_ALERT "md/raid10:%s: %s: unrecoverable I/O"
 				       " read error for block %llu\n",
+				       mdname(mddev),
 				       bdevname(bio->bi_bdev,b),
 				       (unsigned long long)r10_bio->sector);
 				raid_end_bio_io(r10_bio);
@@ -1713,8 +1719,9 @@ static void raid10d(mddev_t *mddev)
 				bio_put(bio);
 				rdev = conf->mirrors[mirror].rdev;
 				if (printk_ratelimit())
-					printk(KERN_ERR "raid10: %s: redirecting sector %llu to"
+					printk(KERN_ERR "md/raid10:%s: %s: redirecting sector %llu to"
 					       " another mirror\n",
+					       mdname(mddev),
 					       bdevname(rdev->bdev,b),
 					       (unsigned long long)r10_bio->sector);
 				bio = bio_clone(r10_bio->master_bio, GFP_NOIO);
@@ -1972,7 +1979,8 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
 					r10_bio = rb2;
 					if (!test_and_set_bit(MD_RECOVERY_INTR,
 							      &mddev->recovery))
-						printk(KERN_INFO "raid10: %s: insufficient working devices for recovery.\n",
+						printk(KERN_INFO "md/raid10:%s: insufficient "
+						       "working devices for recovery.\n",
 						       mdname(mddev));
 					break;
 				}
@@ -2154,8 +2162,9 @@ static conf_t *setup_conf(mddev_t *mddev)
 
 	if (mddev->chunk_sectors < (PAGE_SIZE >> 9) ||
 	    !is_power_of_2(mddev->chunk_sectors)) {
-		printk(KERN_ERR "md/raid10: chunk size must be "
-		       "at least PAGE_SIZE(%ld) and be a power of 2.\n", PAGE_SIZE);
+		printk(KERN_ERR "md/raid10:%s: chunk size must be "
+		       "at least PAGE_SIZE(%ld) and be a power of 2.\n",
+		       mdname(mddev), PAGE_SIZE);
 		goto out;
 	}
 
@@ -2165,7 +2174,7 @@ static conf_t *setup_conf(mddev_t *mddev)
 
 	if ((nc*fc) <2 || (nc*fc) > mddev->raid_disks ||
 	    (mddev->layout >> 17)) {
-		printk(KERN_ERR "raid10: %s: unsupported raid10 layout: 0x%8x\n",
+		printk(KERN_ERR "md/raid10:%s: unsupported raid10 layout: 0x%8x\n",
 		       mdname(mddev), mddev->layout);
 		goto out;
 	}
@@ -2236,7 +2245,7 @@ static conf_t *setup_conf(mddev_t *mddev)
 	return conf;
 
  out:
-	printk(KERN_ERR "raid10: couldn't allocate memory for %s\n",
+	printk(KERN_ERR "md/raid10:%s: couldn't allocate memory.\n",
 	       mdname(mddev));
 	if (conf) {
 		if (conf->r10bio_pool)
@@ -2314,7 +2323,7 @@ static int run(mddev_t *mddev)
 	}
 	/* need to check that every block has at least one working mirror */
 	if (!enough(conf)) {
-		printk(KERN_ERR "raid10: not enough operational mirrors for %s\n",
+		printk(KERN_ERR "md/raid10:%s: not enough operational mirrors.\n",
 		       mdname(mddev));
 		goto out_free_conf;
 	}
@@ -2334,11 +2343,11 @@ static int run(mddev_t *mddev)
 	}
 
 	if (mddev->recovery_cp != MaxSector)
-		printk(KERN_NOTICE "raid10: %s is not clean"
+		printk(KERN_NOTICE "md/raid10:%s: not clean"
 		       " -- starting background reconstruction\n",
 		       mdname(mddev));
 	printk(KERN_INFO
-		"raid10: raid set %s active with %d out of %d devices\n",
+		"md/raid10:%s: active with %d out of %d devices\n",
 		mdname(mddev), conf->raid_disks - mddev->degraded,
 		conf->raid_disks);
 	/*
@@ -2420,7 +2429,8 @@ static void *raid10_takeover_raid0(mddev_t *mddev)
 	conf_t *conf;
 
 	if (mddev->degraded > 0) {
-		printk(KERN_ERR "error: degraded raid0!\n");
+		printk(KERN_ERR "md/raid10:%s: Error: degraded raid0!\n",
+		       mdname(mddev));
 		return ERR_PTR(-EINVAL);
 	}
 
@@ -2458,7 +2468,9 @@ static void *raid10_takeover(mddev_t *mddev)
 		/* for raid0 takeover only one zone is supported */
 		raid0_priv = mddev->private;
 		if (raid0_priv->nr_strip_zones > 1) {
-			printk(KERN_ERR "md: cannot takeover raid 0 with more than one zone.\n");
+			printk(KERN_ERR "md/raid10:%s: cannot takeover raid 0"
+			       " with more than one zone.\n",
+			       mdname(mddev));
 			return ERR_PTR(-EINVAL);
 		}
 		return raid10_takeover_raid0(mddev);

From b5a20961f3479dda48bdc340354ee5469997839d Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 3 May 2010 15:06:27 +1000
Subject: [PATCH 1907/3638] md/raid0: tidy up printk messages.

All messages now start
   md/raid0:md-device-name:

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid0.c | 110 ++++++++++++++++++++++++++-------------------
 1 file changed, 65 insertions(+), 45 deletions(-)

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 9f9c6b76ca7..dc38c1a4516 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -75,10 +75,10 @@ static void dump_zones(mddev_t *mddev)
 	for (j = 0; j < conf->nr_strip_zones; j++) {
 		printk(KERN_INFO "zone%d=[", j);
 		for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
-			printk("%s/",
+			printk(KERN_CONT "%s/",
 			bdevname(conf->devlist[j*raid_disks
 						+ k]->bdev, b));
-		printk("]\n");
+		printk(KERN_CONT "]\n");
 
 		zone_size  = conf->strip_zone[j].zone_end - zone_start;
 		printk(KERN_INFO "        zone offset=%llukb "
@@ -104,8 +104,9 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 	if (!conf)
 		return -ENOMEM;
 	list_for_each_entry(rdev1, &mddev->disks, same_set) {
-		printk(KERN_INFO "raid0: looking at %s\n",
-			bdevname(rdev1->bdev,b));
+		printk(KERN_INFO "md/raid0:%s: looking at %s\n",
+		       mdname(mddev),
+		       bdevname(rdev1->bdev, b));
 		c = 0;
 
 		/* round size to chunk_size */
@@ -114,14 +115,16 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 		rdev1->sectors = sectors * mddev->chunk_sectors;
 
 		list_for_each_entry(rdev2, &mddev->disks, same_set) {
-			printk(KERN_INFO "raid0:   comparing %s(%llu)",
+			printk(KERN_INFO "md/raid0:%s:   comparing %s(%llu)",
+			       mdname(mddev),
 			       bdevname(rdev1->bdev,b),
 			       (unsigned long long)rdev1->sectors);
-			printk(KERN_INFO " with %s(%llu)\n",
+			printk(KERN_CONT " with %s(%llu)\n",
 			       bdevname(rdev2->bdev,b),
 			       (unsigned long long)rdev2->sectors);
 			if (rdev2 == rdev1) {
-				printk(KERN_INFO "raid0:   END\n");
+				printk(KERN_INFO "md/raid0:%s:   END\n",
+				       mdname(mddev));
 				break;
 			}
 			if (rdev2->sectors == rdev1->sectors) {
@@ -129,20 +132,24 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 				 * Not unique, don't count it as a new
 				 * group
 				 */
-				printk(KERN_INFO "raid0:   EQUAL\n");
+				printk(KERN_INFO "md/raid0:%s:   EQUAL\n",
+				       mdname(mddev));
 				c = 1;
 				break;
 			}
-			printk(KERN_INFO "raid0:   NOT EQUAL\n");
+			printk(KERN_INFO "md/raid0:%s:   NOT EQUAL\n",
+			       mdname(mddev));
 		}
 		if (!c) {
-			printk(KERN_INFO "raid0:   ==> UNIQUE\n");
+			printk(KERN_INFO "md/raid0:%s:   ==> UNIQUE\n",
+			       mdname(mddev));
 			conf->nr_strip_zones++;
-			printk(KERN_INFO "raid0: %d zones\n",
-				conf->nr_strip_zones);
+			printk(KERN_INFO "md/raid0:%s: %d zones\n",
+			       mdname(mddev), conf->nr_strip_zones);
 		}
 	}
-	printk(KERN_INFO "raid0: FINAL %d zones\n", conf->nr_strip_zones);
+	printk(KERN_INFO "md/raid0:%s: FINAL %d zones\n",
+	       mdname(mddev), conf->nr_strip_zones);
 	err = -ENOMEM;
 	conf->strip_zone = kzalloc(sizeof(struct strip_zone)*
 				conf->nr_strip_zones, GFP_KERNEL);
@@ -170,13 +177,13 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 			j /= 2;
 
 		if (j < 0 || j >= mddev->raid_disks) {
-			printk(KERN_ERR "raid0: bad disk number %d - "
-				"aborting!\n", j);
+			printk(KERN_ERR "md/raid0:%s: bad disk number %d - "
+			       "aborting!\n", mdname(mddev), j);
 			goto abort;
 		}
 		if (dev[j]) {
-			printk(KERN_ERR "raid0: multiple devices for %d - "
-				"aborting!\n", j);
+			printk(KERN_ERR "md/raid0:%s: multiple devices for %d - "
+			       "aborting!\n", mdname(mddev), j);
 			goto abort;
 		}
 		dev[j] = rdev1;
@@ -198,8 +205,8 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 		cnt++;
 	}
 	if (cnt != mddev->raid_disks) {
-		printk(KERN_ERR "raid0: too few disks (%d of %d) - "
-			"aborting!\n", cnt, mddev->raid_disks);
+		printk(KERN_ERR "md/raid0:%s: too few disks (%d of %d) - "
+		       "aborting!\n", mdname(mddev), cnt, mddev->raid_disks);
 		goto abort;
 	}
 	zone->nb_dev = cnt;
@@ -215,39 +222,44 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 		zone = conf->strip_zone + i;
 		dev = conf->devlist + i * mddev->raid_disks;
 
-		printk(KERN_INFO "raid0: zone %d\n", i);
+		printk(KERN_INFO "md/raid0:%s: zone %d\n",
+		       mdname(mddev), i);
 		zone->dev_start = smallest->sectors;
 		smallest = NULL;
 		c = 0;
 
 		for (j=0; j<cnt; j++) {
 			rdev = conf->devlist[j];
-			printk(KERN_INFO "raid0: checking %s ...",
-				bdevname(rdev->bdev, b));
+			printk(KERN_INFO "md/raid0:%s: checking %s ...",
+			       mdname(mddev),
+			       bdevname(rdev->bdev, b));
 			if (rdev->sectors <= zone->dev_start) {
-				printk(KERN_INFO " nope.\n");
+				printk(KERN_CONT " nope.\n");
 				continue;
 			}
-			printk(KERN_INFO " contained as device %d\n", c);
+			printk(KERN_CONT " contained as device %d\n", c);
 			dev[c] = rdev;
 			c++;
 			if (!smallest || rdev->sectors < smallest->sectors) {
 				smallest = rdev;
-				printk(KERN_INFO "  (%llu) is smallest!.\n",
-					(unsigned long long)rdev->sectors);
+				printk(KERN_INFO "md/raid0:%s:  (%llu) is smallest!.\n",
+				       mdname(mddev),
+				       (unsigned long long)rdev->sectors);
 			}
 		}
 
 		zone->nb_dev = c;
 		sectors = (smallest->sectors - zone->dev_start) * c;
-		printk(KERN_INFO "raid0: zone->nb_dev: %d, sectors: %llu\n",
-			zone->nb_dev, (unsigned long long)sectors);
+		printk(KERN_INFO "md/raid0:%s: zone->nb_dev: %d, sectors: %llu\n",
+		       mdname(mddev),
+		       zone->nb_dev, (unsigned long long)sectors);
 
 		curr_zone_end += sectors;
 		zone->zone_end = curr_zone_end;
 
-		printk(KERN_INFO "raid0: current zone start: %llu\n",
-			(unsigned long long)smallest->sectors);
+		printk(KERN_INFO "md/raid0:%s: current zone start: %llu\n",
+		       mdname(mddev),
+		       (unsigned long long)smallest->sectors);
 	}
 	mddev->queue->unplug_fn = raid0_unplug;
 	mddev->queue->backing_dev_info.congested_fn = raid0_congested;
@@ -258,7 +270,7 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 	 * chunk size is a multiple of that sector size
 	 */
 	if ((mddev->chunk_sectors << 9) % queue_logical_block_size(mddev->queue)) {
-		printk(KERN_ERR "%s chunk_size of %d not valid\n",
+		printk(KERN_ERR "md/raid0:%s: chunk_size of %d not valid\n",
 		       mdname(mddev),
 		       mddev->chunk_sectors << 9);
 		goto abort;
@@ -268,7 +280,7 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 	blk_queue_io_opt(mddev->queue,
 			 (mddev->chunk_sectors << 9) * mddev->raid_disks);
 
-	printk(KERN_INFO "raid0: done.\n");
+	printk(KERN_INFO "md/raid0:%s: done.\n", mdname(mddev));
 	*private_conf = conf;
 
 	return 0;
@@ -331,7 +343,8 @@ static int raid0_run(mddev_t *mddev)
 	int ret;
 
 	if (mddev->chunk_sectors == 0) {
-		printk(KERN_ERR "md/raid0: chunk size must be set.\n");
+		printk(KERN_ERR "md/raid0:%s: chunk size must be set.\n",
+		       mdname(mddev));
 		return -EINVAL;
 	}
 	if (md_check_no_bitmap(mddev))
@@ -357,8 +370,9 @@ static int raid0_run(mddev_t *mddev)
 	/* calculate array device size */
 	md_set_array_sectors(mddev, raid0_size(mddev, 0, 0));
 
-	printk(KERN_INFO "raid0 : md_size is %llu sectors.\n",
-		(unsigned long long)mddev->array_sectors);
+	printk(KERN_INFO "md/raid0:%s: md_size is %llu sectors.\n",
+	       mdname(mddev),
+	       (unsigned long long)mddev->array_sectors);
 	/* calculate the max read-ahead size.
 	 * For read-ahead of large files to be effective, we need to
 	 * readahead at least twice a whole stripe. i.e. number of devices
@@ -516,9 +530,10 @@ static int raid0_make_request(mddev_t *mddev, struct bio *bio)
 	return 1;
 
 bad_map:
-	printk("raid0_make_request bug: can't convert block across chunks"
-		" or bigger than %dk %llu %d\n", chunk_sects / 2,
-		(unsigned long long)bio->bi_sector, bio->bi_size >> 10);
+	printk("md/raid0:%s: make_request bug: can't convert block across chunks"
+	       " or bigger than %dk %llu %d\n",
+	       mdname(mddev), chunk_sects / 2,
+	       (unsigned long long)bio->bi_sector, bio->bi_size >> 10);
 
 	bio_io_error(bio);
 	return 0;
@@ -563,7 +578,8 @@ static void *raid0_takeover_raid5(mddev_t *mddev)
 	raid0_conf_t *priv_conf;
 
 	if (mddev->degraded != 1) {
-		printk(KERN_ERR "md: raid5 must be degraded! Degraded disks: %d\n",
+		printk(KERN_ERR "md/raid0:%s: raid5 must be degraded! Degraded disks: %d\n",
+		       mdname(mddev),
 		       mddev->degraded);
 		return ERR_PTR(-EINVAL);
 	}
@@ -571,7 +587,8 @@ static void *raid0_takeover_raid5(mddev_t *mddev)
 	list_for_each_entry(rdev, &mddev->disks, same_set) {
 		/* check slot number for a disk */
 		if (rdev->raid_disk == mddev->raid_disks-1) {
-			printk(KERN_ERR "md: raid5 must have missing parity disk!\n");
+			printk(KERN_ERR "md/raid0:%s: raid5 must have missing parity disk!\n",
+			       mdname(mddev));
 			return ERR_PTR(-EINVAL);
 		}
 	}
@@ -599,16 +616,19 @@ static void *raid0_takeover_raid10(mddev_t *mddev)
 	 *  - all mirrors must be already degraded
 	 */
 	if (mddev->layout != ((1 << 8) + 2)) {
-		printk(KERN_ERR "md: Raid0 cannot takover layout: %x\n",
+		printk(KERN_ERR "md/raid0:%s:: Raid0 cannot takover layout: 0x%x\n",
+		       mdname(mddev),
 		       mddev->layout);
 		return ERR_PTR(-EINVAL);
 	}
 	if (mddev->raid_disks & 1) {
-		printk(KERN_ERR "md: Raid0 cannot takover Raid10 with odd disk number.\n");
+		printk(KERN_ERR "md/raid0:%s: Raid0 cannot takover Raid10 with odd disk number.\n",
+		       mdname(mddev));
 		return ERR_PTR(-EINVAL);
 	}
 	if (mddev->degraded != (mddev->raid_disks>>1)) {
-		printk(KERN_ERR "md: All mirrors must be already degraded!\n");
+		printk(KERN_ERR "md/raid0:%s: All mirrors must be already degraded!\n",
+		       mdname(mddev));
 		return ERR_PTR(-EINVAL);
 	}
 
@@ -636,8 +656,8 @@ static void *raid0_takeover(mddev_t *mddev)
 		if (mddev->layout == ALGORITHM_PARITY_N)
 			return raid0_takeover_raid5(mddev);
 
-		printk(KERN_ERR "md: Raid can only takeover Raid5 with layout: %d\n",
-		       ALGORITHM_PARITY_N);
+		printk(KERN_ERR "md/raid0:%s: Raid can only takeover Raid5 with layout: %d\n",
+		       mdname(mddev), ALGORITHM_PARITY_N);
 	}
 
 	if (mddev->level == 10)

From 2dc40f80945ac3e5ec05c3a6c75baf09b13cee51 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 3 May 2010 15:12:04 +1000
Subject: [PATCH 1908/3638] md/linear: standardise all printk messages

  md/linear:mdname:

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/linear.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 3204a2263f2..d5d5064c4a6 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -158,7 +158,8 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
 		sector_t sectors;
 
 		if (j < 0 || j >= raid_disks || disk->rdev) {
-			printk("linear: disk numbering problem. Aborting!\n");
+			printk(KERN_ERR "md/linear:%s: disk numbering problem. Aborting!\n",
+			       mdname(mddev));
 			goto out;
 		}
 
@@ -186,7 +187,8 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
 
 	}
 	if (cnt != raid_disks) {
-		printk("linear: not enough drives present. Aborting!\n");
+		printk(KERN_ERR "md/linear:%s: not enough drives present. Aborting!\n",
+		       mdname(mddev));
 		goto out;
 	}
 
@@ -305,12 +307,14 @@ static int linear_make_request (mddev_t *mddev, struct bio *bio)
 		     || (bio->bi_sector < start_sector))) {
 		char b[BDEVNAME_SIZE];
 
-		printk("linear_make_request: Sector %llu out of bounds on "
-			"dev %s: %llu sectors, offset %llu\n",
-			(unsigned long long)bio->bi_sector,
-			bdevname(tmp_dev->rdev->bdev, b),
-			(unsigned long long)tmp_dev->rdev->sectors,
-			(unsigned long long)start_sector);
+		printk(KERN_ERR
+		       "md/linear:%s: make_request: Sector %llu out of bounds on "
+		       "dev %s: %llu sectors, offset %llu\n",
+		       mdname(mddev),
+		       (unsigned long long)bio->bi_sector,
+		       bdevname(tmp_dev->rdev->bdev, b),
+		       (unsigned long long)tmp_dev->rdev->sectors,
+		       (unsigned long long)start_sector);
 		rcu_read_unlock();
 		bio_io_error(bio);
 		return 0;

From af3a2cd6b8a479345786e7fe5e199ad2f6240e56 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Sat, 8 May 2010 08:20:17 +1000
Subject: [PATCH 1909/3638] md: Fix read balancing in RAID1 and RAID10 on
 drives > 2TB

read_balance uses a "unsigned long" for a sector number which
will get truncated beyond 2TB.
This will cause read-balancing to be non-optimal, and can cause
data to be read from the 'wrong' branch during a resync.  This has a
very small chance of returning wrong data.

Reported-by: Jordan Russell <jr-list-2010@quo.to>
Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid1.c  | 4 ++--
 drivers/md/raid10.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 1db02c4955a..a9b9972ff70 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -418,7 +418,7 @@ static void raid1_end_write_request(struct bio *bio, int error)
  */
 static int read_balance(conf_t *conf, r1bio_t *r1_bio)
 {
-	const unsigned long this_sector = r1_bio->sector;
+	const sector_t this_sector = r1_bio->sector;
 	int new_disk = conf->last_used, disk = new_disk;
 	int wonly_disk = -1;
 	const int sectors = r1_bio->sectors;
@@ -434,7 +434,7 @@ static int read_balance(conf_t *conf, r1bio_t *r1_bio)
  retry:
 	if (conf->mddev->recovery_cp < MaxSector &&
 	    (this_sector + sectors >= conf->next_resync)) {
-		/* Choose the first operation device, for consistancy */
+		/* Choose the first operational device, for consistancy */
 		new_disk = 0;
 
 		for (rdev = rcu_dereference(conf->mirrors[new_disk].rdev);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index e0742c43948..a1f5fd2d69c 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -495,7 +495,7 @@ static int raid10_mergeable_bvec(struct request_queue *q,
  */
 static int read_balance(conf_t *conf, r10bio_t *r10_bio)
 {
-	const unsigned long this_sector = r10_bio->sector;
+	const sector_t this_sector = r10_bio->sector;
 	int disk, slot, nslot;
 	const int sectors = r10_bio->sectors;
 	sector_t new_distance, current_distance;

From 75a73a29e520a6ce982b0da6dd8b7560ae3faa90 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Fri, 7 May 2010 19:44:26 +1000
Subject: [PATCH 1910/3638] md: restore ability of spare drives to spin down.

Some time ago we stopped the clean/active metadata updates
from being written to a 'spare' device in most cases so that
it could spin down and say spun down.  Device failure/removal
etc are still recorded on spares.

However commit 51d5668cb2e3fd1827a55 broke this 50% of the time,
depending on whether the event count is even or odd.
The change log entry said:

   This means that the alignment between 'odd/even' and
    'clean/dirty' might take a little longer to attain,

how ever the code makes no attempt to create that alignment, so it
could take arbitrarily long.

So when we find that clean/dirty is not aligned with odd/even,
force a second metadata-update immediately.  There are already cases
where a second metadata-update is needed immediately (e.g. when a
device fails during the metadata update).  We just piggy-back on that.

Reported-by: Joe Bryant <tenminjoe@yahoo.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@kernel.org
---
 drivers/md/md.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index b8a0fcfb1de..fec4abcb9bb 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2150,12 +2150,18 @@ repeat:
 		if (!mddev->in_sync || mddev->recovery_cp != MaxSector) { /* not clean */
 			/* .. if the array isn't clean, an 'even' event must also go
 			 * to spares. */
-			if ((mddev->events&1)==0)
+			if ((mddev->events&1)==0) {
 				nospares = 0;
+				sync_req = 2; /* force a second update to get the
+					       * even/odd in sync */
+			}
 		} else {
 			/* otherwise an 'odd' event must go to spares */
-			if ((mddev->events&1))
+			if ((mddev->events&1)) {
 				nospares = 0;
+				sync_req = 2; /* force a second update to get the
+					       * even/odd in sync */
+			}
 		}
 	}
 

From 7b0bb5368a7195606eca475d9f4e291ab7227052 Mon Sep 17 00:00:00 2001
From: "Gabriele A. Trombetti" <g.trombetti.lkrnl1213@logicschema.com>
Date: Wed, 28 Apr 2010 11:51:17 +1000
Subject: [PATCH 1911/3638] md/raid6: Fix raid-6 read-error correction in
 degraded state

Fix: Raid-6 was not trying to correct a read-error when in
singly-degraded state and was instead dropping one more device, going to
doubly-degraded state. This patch fixes this behaviour.

Tested-by: Janos Haar <janos.haar@netcenter.hu>
Signed-off-by: Gabriele A. Trombetti <g.trombetti.lkrnl1213@logicschema.com>
Reported-by: Janos Haar <janos.haar@netcenter.hu>
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@kernel.org
---
 drivers/md/raid5.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index cee9f93b35c..eacf02a6ec5 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1527,7 +1527,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
 
 		clear_bit(R5_UPTODATE, &sh->dev[i].flags);
 		atomic_inc(&rdev->read_errors);
-		if (conf->mddev->degraded)
+		if (conf->mddev->degraded >= conf->max_degraded)
 			printk_rl(KERN_WARNING
 				  "md/raid:%s: read error not correctable "
 				  "(sector %llu on %s).\n",

From a8707c08f4f718bb0ed65499d3f43201f6e41455 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 18 May 2010 09:28:43 +1000
Subject: [PATCH 1912/3638] md: simplify updating of event count to sometimes
 avoid updating spares.

When updating the event count for a simple clean <-> dirty transition,
we try to avoid updating the spares so they can safely spin-down.
As the event_counts across an array must be +/- 1, this means
decrementing the event_count on a dirty->clean transition.
This is not always safe and we have to avoid the unsafe time.
We current do this with a misguided idea about it being safe or
not depending on whether the event_count is odd or even.  This
approach only works reliably in a few common instances, but easily
falls down.

So instead, simply keep internal state concerning whether it is safe
or not, and always assume it is not safe when an array is first
assembled.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 26 ++++++--------------------
 drivers/md/md.h |  6 ++++++
 2 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index fec4abcb9bb..9ef21d9b8e2 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2088,7 +2088,6 @@ static void sync_sbs(mddev_t * mddev, int nospares)
 		if (rdev->sb_events == mddev->events ||
 		    (nospares &&
 		     rdev->raid_disk < 0 &&
-		     (rdev->sb_events&1)==0 &&
 		     rdev->sb_events+1 == mddev->events)) {
 			/* Don't update this superblock */
 			rdev->sb_loaded = 2;
@@ -2141,28 +2140,14 @@ repeat:
 	 * and 'events' is odd, we can roll back to the previous clean state */
 	if (nospares
 	    && (mddev->in_sync && mddev->recovery_cp == MaxSector)
-	    && (mddev->events & 1)
-	    && mddev->events != 1)
+	    && mddev->can_decrease_events
+	    && mddev->events != 1) {
 		mddev->events--;
-	else {
+		mddev->can_decrease_events = 0;
+	} else {
 		/* otherwise we have to go forward and ... */
 		mddev->events ++;
-		if (!mddev->in_sync || mddev->recovery_cp != MaxSector) { /* not clean */
-			/* .. if the array isn't clean, an 'even' event must also go
-			 * to spares. */
-			if ((mddev->events&1)==0) {
-				nospares = 0;
-				sync_req = 2; /* force a second update to get the
-					       * even/odd in sync */
-			}
-		} else {
-			/* otherwise an 'odd' event must go to spares */
-			if ((mddev->events&1)) {
-				nospares = 0;
-				sync_req = 2; /* force a second update to get the
-					       * even/odd in sync */
-			}
-		}
+		mddev->can_decrease_events = nospares;
 	}
 
 	if (!mddev->events) {
@@ -4606,6 +4591,7 @@ static void md_clean(mddev_t *mddev)
 	mddev->layout = 0;
 	mddev->max_disks = 0;
 	mddev->events = 0;
+	mddev->can_decrease_events = 0;
 	mddev->delta_disks = 0;
 	mddev->new_level = LEVEL_NONE;
 	mddev->new_layout = 0;
diff --git a/drivers/md/md.h b/drivers/md/md.h
index a536f545809..7ab5ea15545 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -150,6 +150,12 @@ struct mddev_s
 	int				external_size; /* size managed
 							* externally */
 	__u64				events;
+	/* If the last 'event' was simply a clean->dirty transition, and
+	 * we didn't write it to the spares, then it is safe and simple
+	 * to just decrement the event count on a dirty->clean transition.
+	 * So we record that possibility here.
+	 */
+	int				can_decrease_events;
 
 	char				uuid[16];
 

From be6800a73aa2f3dc14744c3b80e676d189789f04 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 18 May 2010 10:17:09 +1000
Subject: [PATCH 1913/3638] md: don't insist on valid event count for spare
 devices.

Devices which know that they are spares do not really need to have
an event count that matches the rest of the array, so there are no
data-in-sync issues. It is enough that the uuid matches.
So remove the requirement that the event count is up-to-date.

We currently still write out and event count on spares, but this
allows us in a year or 3 to stop doing that completely.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9ef21d9b8e2..26b3d2879d9 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1070,10 +1070,13 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
 				mddev->bitmap_info.default_offset;
 
 	} else if (mddev->pers == NULL) {
-		/* Insist on good event counter while assembling */
+		/* Insist on good event counter while assembling, except
+		 * for spares (which don't need an event count) */
 		++ev1;
-		if (ev1 < mddev->events) 
-			return -EINVAL;
+		if (sb->disks[rdev->desc_nr].state & (
+			    (1<<MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE)))
+			if (ev1 < mddev->events) 
+				return -EINVAL;
 	} else if (mddev->bitmap) {
 		/* if adding to array with a bitmap, then we can accept an
 		 * older device ... but not too old.
@@ -1469,10 +1472,14 @@ static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
 		}
 
 	} else if (mddev->pers == NULL) {
-		/* Insist of good event counter while assembling */
+		/* Insist of good event counter while assembling, except for
+		 * spares (which don't need an event count) */
 		++ev1;
-		if (ev1 < mddev->events)
-			return -EINVAL;
+		if (rdev->desc_nr >= 0 &&
+		    rdev->desc_nr < le32_to_cpu(sb->max_dev) &&
+		    le16_to_cpu(sb->dev_roles[rdev->desc_nr]) < 0xfffe)
+			if (ev1 < mddev->events)
+				return -EINVAL;
 	} else if (mddev->bitmap) {
 		/* If adding to array with a bitmap, then we can accept an
 		 * older device, but not too old.

From 1ff26a3604d0292988d4cade0e49ba9918dbfd46 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 18 May 2010 00:23:15 -0400
Subject: [PATCH 1914/3638] drm/radeon/kms/atom: fix typo in LVDS panel info
 parsing

Fixes LVDS issues on some laptops; notably laptops with
2048x1536 panels.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 273019925e0..031a96ceb0f 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1174,7 +1174,7 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
 		lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
 			le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
 		lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
-			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
+			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset);
 		lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
 			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
 		lvds->panel_pwr_delay =

From 68b61a7fd21be9df23577d48643ba9e364758200 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 18 May 2010 00:30:05 -0400
Subject: [PATCH 1915/3638] drm/radeon/kms/combios: match lvds panel info
 parsing to ddx

Should work better on some panels.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_combios.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 0f1fd9254e3..44198581ba9 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -1113,18 +1113,20 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
 				break;
 
 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
-			    (RBIOS16(tmp + 2) ==
-			     lvds->native_mode.vdisplay)) {
-				lvds->native_mode.htotal = RBIOS16(tmp + 17) * 8;
-				lvds->native_mode.hsync_start = RBIOS16(tmp + 21) * 8;
-				lvds->native_mode.hsync_end = (RBIOS8(tmp + 23) +
-							       RBIOS16(tmp + 21)) * 8;
+			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
+				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
+					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
+				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
+					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
+				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
+					(RBIOS8(tmp + 23) * 8);
 
-				lvds->native_mode.vtotal = RBIOS16(tmp + 24);
-				lvds->native_mode.vsync_start = RBIOS16(tmp + 28) & 0x7ff;
-				lvds->native_mode.vsync_end =
-					((RBIOS16(tmp + 28) & 0xf800) >> 11) +
-					(RBIOS16(tmp + 28) & 0x7ff);
+				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
+					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
+				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
+					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
+				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
+					((RBIOS16(tmp + 28) & 0xf800) >> 11);
 
 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
 				lvds->native_mode.flags = 0;

From 0bcad4c95eb4a017029ab82c2c9dee4198503aef Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sun, 16 May 2010 08:27:52 +0200
Subject: [PATCH 1916/3638] drm/edid: remove an unneeded variable

We don't use timing_level any more after: 9cf00977da0 "drm/edid: Unify
detailed block parsing between base and extension blocks".

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 71886749fa2..3556308e771 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1509,7 +1509,6 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
 	char *edid_ext = NULL;
 	struct detailed_timing *timing;
 	int start_offset, end_offset;
-	int timing_level;
 
 	if (edid->version == 1 && edid->revision < 3)
 		return 0;
@@ -1536,7 +1535,6 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
 		return 0;
 	}
 
-	timing_level = standard_timing_level(edid);
 	end_offset = EDID_LENGTH;
 	end_offset -= sizeof(struct detailed_timing);
 	for (i = start_offset; i < end_offset;

From ca117d6df95a8f809d37d74c2d715ec3c8c3a4ed Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 17 May 2010 10:54:04 -0700
Subject: [PATCH 1917/3638] vga: fix kconfig text typos

Fix typos in vga/Kconfig file
and use GPU (upper case) consistently.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/vga/Kconfig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig
index 61ab4daf0bb..8d0e31a2202 100644
--- a/drivers/gpu/vga/Kconfig
+++ b/drivers/gpu/vga/Kconfig
@@ -18,12 +18,12 @@ config VGA_ARB_MAX_GPUS
 	  multiple GPUS.  The overhead for each GPU is very small.
 
 config VGA_SWITCHEROO
-	bool "Laptop Hybrid Grapics - GPU switching support"
+	bool "Laptop Hybrid Graphics - GPU switching support"
 	depends on X86
 	depends on ACPI
 	help
-	  Many laptops released in 2008/9/10 have two gpus with a multiplxer
+	  Many laptops released in 2008/9/10 have two GPUs with a multiplexer
 	  to switch between them. This adds support for dynamic switching when
           X isn't running and delayed switching until the next logoff. This
-	  features is called hybrid graphics, ATI PowerXpress, and Nvidia
+	  feature is called hybrid graphics, ATI PowerXpress, and Nvidia
 	  HybridPower.

From f405a1ab2bf316b1969fc5355891e5dff4e1a54c Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 23:17:40 +0200
Subject: [PATCH 1918/3638] drivers/gpu/drm: Use kmemdup

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_grctx.c | 6 ++----
 drivers/gpu/drm/radeon/radeon_bios.c    | 3 +--
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_grctx.c b/drivers/gpu/drm/nouveau/nouveau_grctx.c
index 32f0e495464..f731c5f6053 100644
--- a/drivers/gpu/drm/nouveau/nouveau_grctx.c
+++ b/drivers/gpu/drm/nouveau/nouveau_grctx.c
@@ -68,13 +68,12 @@ nouveau_grctx_prog_load(struct drm_device *dev)
 			return ret;
 		}
 
-		pgraph->ctxprog = kmalloc(fw->size, GFP_KERNEL);
+		pgraph->ctxprog = kmemdup(fw->data, fw->size, GFP_KERNEL);
 		if (!pgraph->ctxprog) {
 			NV_ERROR(dev, "OOM copying ctxprog\n");
 			release_firmware(fw);
 			return -ENOMEM;
 		}
-		memcpy(pgraph->ctxprog, fw->data, fw->size);
 
 		cp = pgraph->ctxprog;
 		if (le32_to_cpu(cp->signature) != 0x5043564e ||
@@ -97,14 +96,13 @@ nouveau_grctx_prog_load(struct drm_device *dev)
 			return ret;
 		}
 
-		pgraph->ctxvals = kmalloc(fw->size, GFP_KERNEL);
+		pgraph->ctxvals = kmemdup(fw->data, fw->size, GFP_KERNEL);
 		if (!pgraph->ctxvals) {
 			NV_ERROR(dev, "OOM copying ctxvals\n");
 			release_firmware(fw);
 			nouveau_grctx_fini(dev);
 			return -ENOMEM;
 		}
-		memcpy(pgraph->ctxvals, fw->data, fw->size);
 
 		cv = (void *)pgraph->ctxvals;
 		if (le32_to_cpu(cv->signature) != 0x5643564e ||
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index 8ad71f70131..fbba938f804 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -85,12 +85,11 @@ static bool radeon_read_bios(struct radeon_device *rdev)
 		pci_unmap_rom(rdev->pdev, bios);
 		return false;
 	}
-	rdev->bios = kmalloc(size, GFP_KERNEL);
+	rdev->bios = kmemdup(bios, size, GFP_KERNEL);
 	if (rdev->bios == NULL) {
 		pci_unmap_rom(rdev->pdev, bios);
 		return false;
 	}
-	memcpy(rdev->bios, bios, size);
 	pci_unmap_rom(rdev->pdev, bios);
 	return true;
 }

From 96525a2f7448c427bb8d99240907a6bd2d9e818c Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 14 May 2010 13:06:19 +0200
Subject: [PATCH 1919/3638] drm_edid: There should be 6 Standard Timings

Smatch complained that we initialize 6 elements in add_detailed_modes()
but the timings[] array is declared with 5 elements.  Adam Jackson
verified that 6 is the correct number of timings.

On Mon, May 10, 2010 at 12:08:24PM -0400, Adam Jackson wrote:
> > >                 struct std_timing timings[5];
> > >                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> This decl is wrong, should be 6.  From the 1.4 spec:
>
> "Six additional Standard Timings may be listed as a display descriptor
> (tag #FAh)."
>
> The 1.3 spec is a little less explicit about it, but does show 6
> standard timing codes in the 0xFA detailed subblock, terminated by 0x0A
> in the 18th byte.  I don't have the docs for 1.2 or earlier, but we're
> paranoid enough about not adding broken timings that we should be fine.

This patch is basically a clean up, because timings[] is declared inside
a union and increasing the number of elements here doesn't change the
overall size of the union.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 include/drm/drm_edid.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index d33c3e03860..39e2cc5c7e6 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -120,7 +120,7 @@ struct detailed_non_pixel {
 		struct detailed_data_string str;
 		struct detailed_data_monitor_range range;
 		struct detailed_data_wpindex color;
-		struct std_timing timings[5];
+		struct std_timing timings[6];
 		struct cvt_timing cvt[4];
 	} data;
 } __attribute__((packed));

From 6ebc22e6d06760466859b79d7b3b3edad264a230 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 13 May 2010 21:58:56 +0200
Subject: [PATCH 1920/3638] drivers/gpu/drm: Use kzalloc

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Reviewed-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_auth.c          | 3 +--
 drivers/gpu/drm/drm_dma.c           | 4 +---
 drivers/gpu/drm/drm_fops.c          | 3 +--
 drivers/gpu/drm/savage/savage_bci.c | 3 +--
 4 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index 932b5aa96a6..3f46772f0cb 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -79,10 +79,9 @@ static int drm_add_magic(struct drm_master *master, struct drm_file *priv,
 	struct drm_device *dev = master->minor->dev;
 	DRM_DEBUG("%d\n", magic);
 
-	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
 	if (!entry)
 		return -ENOMEM;
-	memset(entry, 0, sizeof(*entry));
 	entry->priv = priv;
 	entry->hash_item.key = (unsigned long)magic;
 	mutex_lock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/drm_dma.c b/drivers/gpu/drm/drm_dma.c
index 13f1537413f..252cbd74df0 100644
--- a/drivers/gpu/drm/drm_dma.c
+++ b/drivers/gpu/drm/drm_dma.c
@@ -47,12 +47,10 @@ int drm_dma_setup(struct drm_device *dev)
 {
 	int i;
 
-	dev->dma = kmalloc(sizeof(*dev->dma), GFP_KERNEL);
+	dev->dma = kzalloc(sizeof(*dev->dma), GFP_KERNEL);
 	if (!dev->dma)
 		return -ENOMEM;
 
-	memset(dev->dma, 0, sizeof(*dev->dma));
-
 	for (i = 0; i <= DRM_MAX_ORDER; i++)
 		memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0]));
 
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 9d532d7fdf5..e7aace20981 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -243,11 +243,10 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
 
 	DRM_DEBUG("pid = %d, minor = %d\n", task_pid_nr(current), minor_id);
 
-	priv = kmalloc(sizeof(*priv), GFP_KERNEL);
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	memset(priv, 0, sizeof(*priv));
 	filp->private_data = priv;
 	priv->filp = filp;
 	priv->uid = current_euid();
diff --git a/drivers/gpu/drm/savage/savage_bci.c b/drivers/gpu/drm/savage/savage_bci.c
index bff6fc2524c..2d0c9ca484c 100644
--- a/drivers/gpu/drm/savage/savage_bci.c
+++ b/drivers/gpu/drm/savage/savage_bci.c
@@ -539,11 +539,10 @@ int savage_driver_load(struct drm_device *dev, unsigned long chipset)
 {
 	drm_savage_private_t *dev_priv;
 
-	dev_priv = kmalloc(sizeof(drm_savage_private_t), GFP_KERNEL);
+	dev_priv = kzalloc(sizeof(drm_savage_private_t), GFP_KERNEL);
 	if (dev_priv == NULL)
 		return -ENOMEM;
 
-	memset(dev_priv, 0, sizeof(drm_savage_private_t));
 	dev->dev_private = (void *)dev_priv;
 
 	dev_priv->chipset = (enum savage_family)chipset;

From 61dd98fad58f945ed720ba132681acb58fcee015 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Thu, 13 May 2010 14:55:28 -0400
Subject: [PATCH 1921/3638] drm/edid: Fix 1024x768@85Hz

Having hsync both start and end on pixel 1072 ain't gonna work very
well.  Matches the X server's list.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Tested-By: Michael Tokarev <mjt@tls.msk.ru>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 3556308e771..326f28e04aa 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -496,7 +496,7 @@ static struct drm_display_mode drm_dmt_modes[] = {
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
 	/* 1024x768@85Hz */
 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
-		   1072, 1376, 0, 768, 769, 772, 808, 0,
+		   1168, 1376, 0, 768, 769, 772, 808, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
 	/* 1152x864@75Hz */
 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,

From bc35afdb182d4c48c889fe27ba7a5d7ea0c8194d Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Wed, 12 May 2010 18:01:13 +0200
Subject: [PATCH 1922/3638] drm/radeon/kms: add query for crtc hw id from crtc
 id to get info V2

Userspace need to know the hw crtc id (0, 1, 2, ...) from the drm
crtc id. Bump the minor version so userspace can enable conditionaly
features depend on this.

V2 use num_crtc and avoid DRM_ERROR

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_drv.c |  3 ++-
 drivers/gpu/drm/radeon/radeon_kms.c | 18 ++++++++++++++++++
 include/drm/radeon_drm.h            |  1 +
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 4b05563d99e..6e22815f7f0 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -44,9 +44,10 @@
  * - 2.1.0 - add square tiling interface
  * - 2.2.0 - add r6xx/r7xx const buffer support
  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
+ * - 2.4.0 - add crtc id query
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	3
+#define KMS_DRIVER_MINOR	4
 #define KMS_DRIVER_PATCHLEVEL	0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index d3657dcfdd2..021572a3dd9 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -98,11 +98,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 {
 	struct radeon_device *rdev = dev->dev_private;
 	struct drm_radeon_info *info;
+	struct radeon_mode_info *minfo = &rdev->mode_info;
 	uint32_t *value_ptr;
 	uint32_t value;
+	struct drm_crtc *crtc;
+	int i, found;
 
 	info = data;
 	value_ptr = (uint32_t *)((unsigned long)info->value);
+	value = *value_ptr;
 	switch (info->request) {
 	case RADEON_INFO_DEVICE_ID:
 		value = dev->pci_device;
@@ -116,6 +120,20 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	case RADEON_INFO_ACCEL_WORKING:
 		value = rdev->accel_working;
 		break;
+	case RADEON_INFO_CRTC_FROM_ID:
+		for (i = 0, found = 0; i < rdev->num_crtc; i++) {
+			crtc = (struct drm_crtc *)minfo->crtcs[i];
+			if (crtc && crtc->base.id == value) {
+				value = i;
+				found = 1;
+				break;
+			}
+		}
+		if (!found) {
+			DRM_DEBUG("unknown crtc id %d\n", value);
+			return -EINVAL;
+		}
+		break;
 	default:
 		DRM_DEBUG("Invalid request %d\n", info->request);
 		return -EINVAL;
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index 81e614bf2dc..3ff9fc071df 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -902,6 +902,7 @@ struct drm_radeon_cs {
 #define RADEON_INFO_NUM_GB_PIPES	0x01
 #define RADEON_INFO_NUM_Z_PIPES 	0x02
 #define RADEON_INFO_ACCEL_WORKING	0x03
+#define RADEON_INFO_CRTC_FROM_ID	0x04
 
 struct drm_radeon_info {
 	uint32_t		request;

From 3da1f33e79a5922c1a31077e7b33aba1cec19b94 Mon Sep 17 00:00:00 2001
From: Kirill Smelkov <kirr@landau.phys.spbu.ru>
Date: Fri, 14 May 2010 19:45:16 +0400
Subject: [PATCH 1923/3638] drm: Prefix info printk about registering panic
 notifier with 'drm'

Recently I've studied my system dmesg and seen this:

  <lots of stuff before>
1 [    0.478416] ACPI: Battery Slot [C1B4] (battery present)
2 [    0.478648] ACPI: Battery Slot [C1B3] (battery absent)
3 [    0.906678] [drm] initialized overlay support
4 [    1.762304] Console: switching to colour frame buffer device 128x48
5 [    1.765211] fb0: inteldrmfb frame buffer device
6 [    1.765242] registered panic notifier
7 [    1.765272] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
8 [    1.765372] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
  <lots of stuff after>

and it was not evident who registered that panic notifier on line 6.

I'd bought it as some low-level stuff needed by kernel itself, but the
time was inappropriate -- too late for such things.

So I had to study sources to see it was drm who was registering
switch-to-fb on panic.

Let's avoid possible confusion and mark this message as going from drm
subsystem.

(I'm a bit unsure whether to use '[drm]:' or 'drm:' -- the rest of the
 kernel just uses 'topic:', and even in drm_fb_helper.c we use 'fb%d:'
 without [] brackets. Either way is ok with me.)

Signed-off-by: Kirill Smelkov <kirr@landau.phys.spbu.ru>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_fb_helper.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index b28e56382e8..5db4f47a008 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -485,7 +485,7 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)
 	if (!list_empty(&fb_helper->kernel_fb_list)) {
 		list_del(&fb_helper->kernel_fb_list);
 		if (list_empty(&kernel_fb_helper_list)) {
-			printk(KERN_INFO "unregistered panic notifier\n");
+			printk(KERN_INFO "drm: unregistered panic notifier\n");
 			atomic_notifier_chain_unregister(&panic_notifier_list,
 							 &paniced);
 			unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
@@ -859,7 +859,7 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 	/* Switch back to kernel console on panic */
 	/* multi card linked list maybe */
 	if (list_empty(&kernel_fb_helper_list)) {
-		printk(KERN_INFO "registered panic notifier\n");
+		printk(KERN_INFO "drm: registered panic notifier\n");
 		atomic_notifier_chain_register(&panic_notifier_list,
 					       &paniced);
 		register_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);

From 1471ca9aa71cd37b6a7476bb6f06a3a8622ea1bd Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 16 May 2010 17:27:03 +0200
Subject: [PATCH 1924/3638] fbdev: allow passing more than one aperture for
 handoff

It removes a hack from nouveau code which had to detect which
region to pass to kick vesafb/efifb.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Peter Jones <pjones@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/intel_fb.c         | 11 +++-
 drivers/gpu/drm/nouveau/nouveau_fbcon.c | 84 ++++++++-----------------
 drivers/gpu/drm/radeon/radeon_fb.c      |  9 ++-
 drivers/gpu/drm/vmwgfx/vmwgfx_fb.c      | 10 ++-
 drivers/video/efifb.c                   | 11 +++-
 drivers/video/fbmem.c                   | 29 ++++++++-
 drivers/video/fbsysfs.c                 |  1 +
 drivers/video/offb.c                    | 28 +++++----
 drivers/video/vesafb.c                  | 11 +++-
 include/linux/fb.h                      | 17 ++++-
 10 files changed, 123 insertions(+), 88 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index b04e0a86bf9..7f1eabbaa2b 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -128,11 +128,16 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
 	info->fbops = &intelfb_ops;
 
 	/* setup aperture base/size for vesafb takeover */
-	info->aperture_base = dev->mode_config.fb_base;
+	info->apertures = alloc_apertures(1);
+	if (!info->apertures) {
+		ret = -ENOMEM;
+		goto out_unpin;
+	}
+	info->apertures->ranges[0].base = dev->mode_config.fb_base;
 	if (IS_I9XX(dev))
-		info->aperture_size = pci_resource_len(dev->pdev, 2);
+		info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 2);
 	else
-		info->aperture_size = pci_resource_len(dev->pdev, 0);
+		info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0);
 
 	info->fix.smem_start = dev->mode_config.fb_base + obj_priv->gtt_offset;
 	info->fix.smem_len = size;
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index f29fa8c117c..292c7ff9510 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -152,44 +152,6 @@ static void nouveau_fbcon_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 	*blue = nv_crtc->lut.b[regno];
 }
 
-#if defined(__i386__) || defined(__x86_64__)
-static bool
-nouveau_fbcon_has_vesafb_or_efifb(struct drm_device *dev)
-{
-	struct pci_dev *pdev = dev->pdev;
-	int ramin;
-
-	if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB &&
-	    screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
-		return false;
-
-	if (screen_info.lfb_base < pci_resource_start(pdev, 1))
-		goto not_fb;
-
-	if (screen_info.lfb_base + screen_info.lfb_size >=
-	    pci_resource_start(pdev, 1) + pci_resource_len(pdev, 1))
-		goto not_fb;
-
-	return true;
-not_fb:
-	ramin = 2;
-	if (pci_resource_len(pdev, ramin) == 0) {
-		ramin = 3;
-		if (pci_resource_len(pdev, ramin) == 0)
-			return false;
-	}
-
-	if (screen_info.lfb_base < pci_resource_start(pdev, ramin))
-		return false;
-
-	if (screen_info.lfb_base + screen_info.lfb_size >=
-	    pci_resource_start(pdev, ramin) + pci_resource_len(pdev, ramin))
-		return false;
-
-	return true;
-}
-#endif
-
 static void
 nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
 {
@@ -219,7 +181,9 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
 	struct nouveau_framebuffer *nouveau_fb;
 	struct nouveau_bo *nvbo;
 	struct drm_mode_fb_cmd mode_cmd;
-	struct device *device = &dev->pdev->dev;
+	struct pci_dev *pdev = dev->pdev;
+	struct device *device = &pdev->dev;
+	struct apertures_struct *aper;
 	int size, ret;
 
 	mode_cmd.width = sizes->surface_width;
@@ -299,28 +263,30 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
 	drm_fb_helper_fill_var(info, &nfbdev->helper, sizes->fb_width, sizes->fb_height);
 
 	/* FIXME: we really shouldn't expose mmio space at all */
-	info->fix.mmio_start = pci_resource_start(dev->pdev, 1);
-	info->fix.mmio_len = pci_resource_len(dev->pdev, 1);
+	info->fix.mmio_start = pci_resource_start(pdev, 1);
+	info->fix.mmio_len = pci_resource_len(pdev, 1);
 
 	/* Set aperture base/size for vesafb takeover */
-#if defined(__i386__) || defined(__x86_64__)
-	if (nouveau_fbcon_has_vesafb_or_efifb(dev)) {
-		/* Some NVIDIA VBIOS' are stupid and decide to put the
-		 * framebuffer in the middle of the PRAMIN BAR for
-		 * whatever reason.  We need to know the exact lfb_base
-		 * to get vesafb kicked off, and the only reliable way
-		 * we have left is to find out lfb_base the same way
-		 * vesafb did.
-		 */
-		info->aperture_base = screen_info.lfb_base;
-		info->aperture_size = screen_info.lfb_size;
-		if (screen_info.orig_video_isVGA == VIDEO_TYPE_VLFB)
-			info->aperture_size *= 65536;
-	} else
-#endif
-	{
-		info->aperture_base = info->fix.mmio_start;
-		info->aperture_size = info->fix.mmio_len;
+	aper = info->apertures = alloc_apertures(3);
+	if (!info->apertures) {
+		ret = -ENOMEM;
+		goto out_unref;
+	}
+
+	aper->ranges[0].base = pci_resource_start(pdev, 1);
+	aper->ranges[0].size = pci_resource_len(pdev, 1);
+	aper->count = 1;
+
+	if (pci_resource_len(pdev, 2)) {
+		aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
+		aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
+		aper->count++;
+	}
+
+	if (pci_resource_len(pdev, 3)) {
+		aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
+		aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
+		aper->count++;
 	}
 
 	info->pixmap.size = 64*1024;
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index fcb5b52727b..b4948021e34 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -236,8 +236,13 @@ static int radeonfb_create(struct radeon_fbdev *rfbdev,
 	drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
 
 	/* setup aperture base/size for vesafb takeover */
-	info->aperture_base = rdev->ddev->mode_config.fb_base;
-	info->aperture_size = rdev->mc.real_vram_size;
+	info->apertures = alloc_apertures(1);
+	if (!info->apertures) {
+		ret = -ENOMEM;
+		goto out_unref;
+	}
+	info->apertures->ranges[0].base = rdev->ddev->mode_config.fb_base;
+	info->apertures->ranges[0].size = rdev->mc.real_vram_size;
 
 	info->fix.mmio_start = 0;
 	info->fix.mmio_len = 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 80125ffc4e2..7421aaad8d0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -559,8 +559,13 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
 	info->pixmap.scan_align = 1;
 #endif
 
-	info->aperture_base = vmw_priv->vram_start;
-	info->aperture_size = vmw_priv->vram_size;
+	info->apertures = alloc_apertures(1);
+	if (!info->apertures) {
+		ret = -ENOMEM;
+		goto err_aper;
+	}
+	info->apertures->ranges[0].base = vmw_priv->vram_start;
+	info->apertures->ranges[0].size = vmw_priv->vram_size;
 
 	/*
 	 * Dirty & Deferred IO
@@ -580,6 +585,7 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
 
 err_defio:
 	fb_deferred_io_cleanup(info);
+err_aper:
 	ttm_bo_kunmap(&par->map);
 err_unref:
 	ttm_bo_unref((struct ttm_buffer_object **)&par->vmw_bo);
diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c
index 581d2dbf675..3b986567111 100644
--- a/drivers/video/efifb.c
+++ b/drivers/video/efifb.c
@@ -165,7 +165,7 @@ static void efifb_destroy(struct fb_info *info)
 {
 	if (info->screen_base)
 		iounmap(info->screen_base);
-	release_mem_region(info->aperture_base, info->aperture_size);
+	release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size);
 	framebuffer_release(info);
 }
 
@@ -289,8 +289,13 @@ static int __devinit efifb_probe(struct platform_device *dev)
 	info->pseudo_palette = info->par;
 	info->par = NULL;
 
-	info->aperture_base = efifb_fix.smem_start;
-	info->aperture_size = size_remap;
+	info->apertures = alloc_apertures(1);
+	if (!info->apertures) {
+		err = -ENOMEM;
+		goto err_release_fb;
+	}
+	info->apertures->ranges[0].base = efifb_fix.smem_start;
+	info->apertures->ranges[0].size = size_remap;
 
 	info->screen_base = ioremap(efifb_fix.smem_start, efifb_fix.smem_len);
 	if (!info->screen_base) {
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index a15b44e9c00..03f2dc2470b 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1468,16 +1468,39 @@ static int fb_check_foreignness(struct fb_info *fi)
 	return 0;
 }
 
-static bool fb_do_apertures_overlap(struct fb_info *gen, struct fb_info *hw)
+static bool apertures_overlap(struct aperture *gen, struct aperture *hw)
 {
 	/* is the generic aperture base the same as the HW one */
-	if (gen->aperture_base == hw->aperture_base)
+	if (gen->base == hw->base)
 		return true;
 	/* is the generic aperture base inside the hw base->hw base+size */
-	if (gen->aperture_base > hw->aperture_base && gen->aperture_base <= hw->aperture_base + hw->aperture_size)
+	if (gen->base > hw->base && gen->base <= hw->base + hw->size)
 		return true;
 	return false;
 }
+
+static bool fb_do_apertures_overlap(struct fb_info *gen, struct fb_info *hw)
+{
+	int i, j;
+	struct apertures_struct *hwa = hw->apertures;
+	struct apertures_struct *gena = gen->apertures;
+	if (!hwa || !gena)
+		return false;
+
+	for (i = 0; i < hwa->count; ++i) {
+		struct aperture *h = &hwa->ranges[i];
+		for (j = 0; j < gena->count; ++j) {
+			struct aperture *g = &gena->ranges[j];
+			printk(KERN_DEBUG "checking generic (%llx %llx) vs hw (%llx %llx)\n",
+				g->base, g->size, h->base, h->size);
+			if (apertures_overlap(g, h))
+				return true;
+		}
+	}
+
+	return false;
+}
+
 /**
  *	register_framebuffer - registers a frame buffer device
  *	@fb_info: frame buffer info structure
diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c
index 81aa3129c17..0a08f134122 100644
--- a/drivers/video/fbsysfs.c
+++ b/drivers/video/fbsysfs.c
@@ -80,6 +80,7 @@ EXPORT_SYMBOL(framebuffer_alloc);
  */
 void framebuffer_release(struct fb_info *info)
 {
+	kfree(info->apertures);
 	kfree(info);
 }
 EXPORT_SYMBOL(framebuffer_release);
diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index 61f8b8f919b..46dda7d8aae 100644
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -285,7 +285,7 @@ static void offb_destroy(struct fb_info *info)
 {
 	if (info->screen_base)
 		iounmap(info->screen_base);
-	release_mem_region(info->aperture_base, info->aperture_size);
+	release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size);
 	framebuffer_release(info);
 }
 
@@ -491,8 +491,11 @@ static void __init offb_init_fb(const char *name, const char *full_name,
 	var->vmode = FB_VMODE_NONINTERLACED;
 
 	/* set offb aperture size for generic probing */
-	info->aperture_base = address;
-	info->aperture_size = fix->smem_len;
+	info->apertures = alloc_apertures(1);
+	if (!info->apertures)
+		goto out_aper;
+	info->apertures->ranges[0].base = address;
+	info->apertures->ranges[0].size = fix->smem_len;
 
 	info->fbops = &offb_ops;
 	info->screen_base = ioremap(address, fix->smem_len);
@@ -501,17 +504,20 @@ static void __init offb_init_fb(const char *name, const char *full_name,
 
 	fb_alloc_cmap(&info->cmap, 256, 0);
 
-	if (register_framebuffer(info) < 0) {
-		iounmap(par->cmap_adr);
-		par->cmap_adr = NULL;
-		iounmap(info->screen_base);
-		framebuffer_release(info);
-		release_mem_region(res_start, res_size);
-		return;
-	}
+	if (register_framebuffer(info) < 0)
+		goto out_err;
 
 	printk(KERN_INFO "fb%d: Open Firmware frame buffer device on %s\n",
 	       info->node, full_name);
+	return;
+
+out_err:
+	iounmap(info->screen_base);
+out_aper:
+	iounmap(par->cmap_adr);
+	par->cmap_adr = NULL;
+	framebuffer_release(info);
+	release_mem_region(res_start, res_size);
 }
 
 
diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index 0cadf7aee27..090aa1a9be6 100644
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -177,7 +177,7 @@ static void vesafb_destroy(struct fb_info *info)
 {
 	if (info->screen_base)
 		iounmap(info->screen_base);
-	release_mem_region(info->aperture_base, info->aperture_size);
+	release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size);
 	framebuffer_release(info);
 }
 
@@ -295,8 +295,13 @@ static int __init vesafb_probe(struct platform_device *dev)
 	info->par = NULL;
 
 	/* set vesafb aperture size for generic probing */
-	info->aperture_base = screen_info.lfb_base;
-	info->aperture_size = size_total;
+	info->apertures = alloc_apertures(1);
+	if (!info->apertures) {
+		err = -ENOMEM;
+		goto err;
+	}
+	info->apertures->ranges[0].base = screen_info.lfb_base;
+	info->apertures->ranges[0].size = size_total;
 
 	info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len);
 	if (!info->screen_base) {
diff --git a/include/linux/fb.h b/include/linux/fb.h
index c10163b4c40..de5ff5fa838 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -403,6 +403,7 @@ struct fb_cursor {
 #include <linux/notifier.h>
 #include <linux/list.h>
 #include <linux/backlight.h>
+#include <linux/slab.h>
 #include <asm/io.h>
 
 struct vm_area_struct;
@@ -862,10 +863,22 @@ struct fb_info {
 	/* we need the PCI or similiar aperture base/size not
 	   smem_start/size as smem_start may just be an object
 	   allocated inside the aperture so may not actually overlap */
-	resource_size_t aperture_base;
-	resource_size_t aperture_size;
+	struct apertures_struct {
+		unsigned int count;
+		struct aperture {
+			resource_size_t base;
+			resource_size_t size;
+		} ranges[0];
+	} *apertures;
 };
 
+static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
+	struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
+			+ max_num * sizeof(struct aperture), GFP_KERNEL);
+	a->count = max_num;
+	return a;
+}
+
 #ifdef MODULE
 #define FBINFO_DEFAULT	FBINFO_MODULE
 #else

From 06415c564fb98562a4d6b6215615deb2d1cc0dae Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 16 May 2010 17:29:56 +0200
Subject: [PATCH 1925/3638] fbmem, drm/nouveau: kick firmware framebuffers as
 soon as possible

Currently vesafb/efifb/... is kicked when hardware driver is registering
framebuffer. To do it hardware must be fully functional, so there's a short
window between start of initialisation and framebuffer registration when
two drivers touch the hardware. Unfortunately sometimes it breaks nouveau
initialisation.

Fix it by kicking firmware driver(s) before we start touching the hardware.

Reported-by: Didier Spaier <didier.spaier@epsm.fr>
Tested-by: Didier Spaier <didier.spaier@epsm.fr>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Peter Jones <pjones@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_drv.h   |  1 +
 drivers/gpu/drm/nouveau/nouveau_fbcon.c | 19 +----------
 drivers/gpu/drm/nouveau/nouveau_state.c | 43 +++++++++++++++++++++++++
 drivers/video/fbmem.c                   | 43 ++++++++++++++-----------
 include/linux/fb.h                      |  1 +
 5 files changed, 71 insertions(+), 36 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 5b47b79f45e..94d8dd27bde 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -624,6 +624,7 @@ struct drm_nouveau_private {
 	} debugfs;
 
 	struct nouveau_fbdev *nfbdev;
+	struct apertures_struct *apertures;
 };
 
 static inline struct drm_nouveau_private *
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 292c7ff9510..2c2199329cc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -183,7 +183,6 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
 	struct drm_mode_fb_cmd mode_cmd;
 	struct pci_dev *pdev = dev->pdev;
 	struct device *device = &pdev->dev;
-	struct apertures_struct *aper;
 	int size, ret;
 
 	mode_cmd.width = sizes->surface_width;
@@ -267,28 +266,12 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
 	info->fix.mmio_len = pci_resource_len(pdev, 1);
 
 	/* Set aperture base/size for vesafb takeover */
-	aper = info->apertures = alloc_apertures(3);
+	info->apertures = dev_priv->apertures;
 	if (!info->apertures) {
 		ret = -ENOMEM;
 		goto out_unref;
 	}
 
-	aper->ranges[0].base = pci_resource_start(pdev, 1);
-	aper->ranges[0].size = pci_resource_len(pdev, 1);
-	aper->count = 1;
-
-	if (pci_resource_len(pdev, 2)) {
-		aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
-		aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
-		aper->count++;
-	}
-
-	if (pci_resource_len(pdev, 3)) {
-		aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
-		aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
-		aper->count++;
-	}
-
 	info->pixmap.size = 64*1024;
 	info->pixmap.buf_align = 8;
 	info->pixmap.access_align = 32;
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 92100a9678b..75c5c465e08 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -639,6 +639,43 @@ static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
 #endif
 }
 
+static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
+{
+	struct pci_dev *pdev = dev->pdev;
+	struct apertures_struct *aper = alloc_apertures(3);
+	if (!aper)
+		return NULL;
+
+	aper->ranges[0].base = pci_resource_start(pdev, 1);
+	aper->ranges[0].size = pci_resource_len(pdev, 1);
+	aper->count = 1;
+
+	if (pci_resource_len(pdev, 2)) {
+		aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
+		aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
+		aper->count++;
+	}
+
+	if (pci_resource_len(pdev, 3)) {
+		aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
+		aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
+		aper->count++;
+	}
+
+	return aper;
+}
+
+static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	dev_priv->apertures = nouveau_get_apertures(dev);
+	if (!dev_priv->apertures)
+		return -ENOMEM;
+
+	remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb");
+	return 0;
+}
+
 int nouveau_load(struct drm_device *dev, unsigned long flags)
 {
 	struct drm_nouveau_private *dev_priv;
@@ -726,6 +763,12 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
 	NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
 		dev_priv->card_type, reg0);
 
+	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		int ret = nouveau_remove_conflicting_drivers(dev);
+		if (ret)
+			return ret;
+	}
+
 	/* map larger RAMIN aperture on NV40 cards */
 	dev_priv->ramin  = NULL;
 	if (dev_priv->card_type >= NV_40) {
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 03f2dc2470b..7cfcd716fd5 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1479,11 +1479,10 @@ static bool apertures_overlap(struct aperture *gen, struct aperture *hw)
 	return false;
 }
 
-static bool fb_do_apertures_overlap(struct fb_info *gen, struct fb_info *hw)
+static bool fb_do_apertures_overlap(struct apertures_struct *gena,
+				    struct apertures_struct *hwa)
 {
 	int i, j;
-	struct apertures_struct *hwa = hw->apertures;
-	struct apertures_struct *gena = gen->apertures;
 	if (!hwa || !gena)
 		return false;
 
@@ -1501,6 +1500,28 @@ static bool fb_do_apertures_overlap(struct fb_info *gen, struct fb_info *hw)
 	return false;
 }
 
+void remove_conflicting_framebuffers(struct apertures_struct *a, const char *name)
+{
+	int i;
+
+	/* check all firmware fbs and kick off if the base addr overlaps */
+	for (i = 0 ; i < FB_MAX; i++) {
+		if (!registered_fb[i])
+			continue;
+
+		if (!(registered_fb[i]->flags & FBINFO_MISC_FIRMWARE))
+			continue;
+
+		if (fb_do_apertures_overlap(registered_fb[i]->apertures, a)) {
+			printk(KERN_ERR "fb: conflicting fb hw usage "
+			       "%s vs %s - removing generic driver\n",
+			       name, registered_fb[i]->fix.id);
+			unregister_framebuffer(registered_fb[i]);
+		}
+	}
+}
+EXPORT_SYMBOL(remove_conflicting_framebuffers);
+
 /**
  *	register_framebuffer - registers a frame buffer device
  *	@fb_info: frame buffer info structure
@@ -1524,21 +1545,7 @@ register_framebuffer(struct fb_info *fb_info)
 	if (fb_check_foreignness(fb_info))
 		return -ENOSYS;
 
-	/* check all firmware fbs and kick off if the base addr overlaps */
-	for (i = 0 ; i < FB_MAX; i++) {
-		if (!registered_fb[i])
-			continue;
-
-		if (registered_fb[i]->flags & FBINFO_MISC_FIRMWARE) {
-			if (fb_do_apertures_overlap(registered_fb[i], fb_info)) {
-				printk(KERN_ERR "fb: conflicting fb hw usage "
-				       "%s vs %s - removing generic driver\n",
-				       fb_info->fix.id,
-				       registered_fb[i]->fix.id);
-				unregister_framebuffer(registered_fb[i]);
-			}
-		}
-	}
+	remove_conflicting_framebuffers(fb_info->apertures, fb_info->fix.id);
 
 	num_registered_fb++;
 	for (i = 0 ; i < FB_MAX; i++)
diff --git a/include/linux/fb.h b/include/linux/fb.h
index de5ff5fa838..f88e2549123 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -971,6 +971,7 @@ extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
 /* drivers/video/fbmem.c */
 extern int register_framebuffer(struct fb_info *fb_info);
 extern int unregister_framebuffer(struct fb_info *fb_info);
+extern void remove_conflicting_framebuffers(struct apertures_struct *a, const char *name);
 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);

From 3b9676e7ac6eff4f50f1b48b6c36664f55b79507 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 16 May 2010 17:33:09 +0200
Subject: [PATCH 1926/3638] vga16fb, drm: vga16fb->drm handoff

let vga16fb claim 0xA0000+0x10000 region as its aperture;
drm drivers don't use it, so we have to detect it and kick
vga16fb manually - but only if drm is driving the primary card

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_state.c |  7 ++++++-
 drivers/video/fbmem.c                   | 14 ++++++++++---
 drivers/video/vga16fb.c                 | 26 ++++++++++++++++++-------
 include/linux/fb.h                      |  3 ++-
 4 files changed, 38 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 75c5c465e08..c667a1138c3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -668,11 +668,16 @@ static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
 static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	bool primary = false;
 	dev_priv->apertures = nouveau_get_apertures(dev);
 	if (!dev_priv->apertures)
 		return -ENOMEM;
 
-	remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb");
+#ifdef CONFIG_X86
+	primary = dev->pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
+#endif
+	
+	remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb", primary);
 	return 0;
 }
 
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 7cfcd716fd5..e08b7b5cb32 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1500,19 +1500,26 @@ static bool fb_do_apertures_overlap(struct apertures_struct *gena,
 	return false;
 }
 
-void remove_conflicting_framebuffers(struct apertures_struct *a, const char *name)
+#define VGA_FB_PHYS 0xA0000
+void remove_conflicting_framebuffers(struct apertures_struct *a,
+				     const char *name, bool primary)
 {
 	int i;
 
 	/* check all firmware fbs and kick off if the base addr overlaps */
 	for (i = 0 ; i < FB_MAX; i++) {
+		struct apertures_struct *gen_aper;
 		if (!registered_fb[i])
 			continue;
 
 		if (!(registered_fb[i]->flags & FBINFO_MISC_FIRMWARE))
 			continue;
 
-		if (fb_do_apertures_overlap(registered_fb[i]->apertures, a)) {
+		gen_aper = registered_fb[i]->apertures;
+		if (fb_do_apertures_overlap(gen_aper, a) ||
+			(primary && gen_aper && gen_aper->count &&
+			 gen_aper->ranges[0].base == VGA_FB_PHYS)) {
+
 			printk(KERN_ERR "fb: conflicting fb hw usage "
 			       "%s vs %s - removing generic driver\n",
 			       name, registered_fb[i]->fix.id);
@@ -1545,7 +1552,8 @@ register_framebuffer(struct fb_info *fb_info)
 	if (fb_check_foreignness(fb_info))
 		return -ENOSYS;
 
-	remove_conflicting_framebuffers(fb_info->apertures, fb_info->fix.id);
+	remove_conflicting_framebuffers(fb_info->apertures, fb_info->fix.id,
+					 fb_is_primary_device(fb_info));
 
 	num_registered_fb++;
 	for (i = 0 ; i < FB_MAX; i++)
diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
index bf638a47a5b..149c47ac7e9 100644
--- a/drivers/video/vga16fb.c
+++ b/drivers/video/vga16fb.c
@@ -1263,10 +1263,19 @@ static void vga16fb_imageblit(struct fb_info *info, const struct fb_image *image
 		vga_imageblit_color(info, image);
 }
 
+static void vga16fb_destroy(struct fb_info *info)
+{
+	iounmap(info->screen_base);
+	fb_dealloc_cmap(&info->cmap);
+	/* XXX unshare VGA regions */
+	framebuffer_release(info);
+}
+
 static struct fb_ops vga16fb_ops = {
 	.owner		= THIS_MODULE,
 	.fb_open        = vga16fb_open,
 	.fb_release     = vga16fb_release,
+	.fb_destroy	= vga16fb_destroy,
 	.fb_check_var	= vga16fb_check_var,
 	.fb_set_par	= vga16fb_set_par,
 	.fb_setcolreg 	= vga16fb_setcolreg,
@@ -1306,6 +1315,11 @@ static int __devinit vga16fb_probe(struct platform_device *dev)
 		ret = -ENOMEM;
 		goto err_fb_alloc;
 	}
+	info->apertures = alloc_apertures(1);
+	if (!info->apertures) {
+		ret = -ENOMEM;
+		goto err_ioremap;
+	}
 
 	/* XXX share VGA_FB_PHYS and I/O region with vgacon and others */
 	info->screen_base = (void __iomem *)VGA_MAP_MEM(VGA_FB_PHYS, 0);
@@ -1335,7 +1349,7 @@ static int __devinit vga16fb_probe(struct platform_device *dev)
 	info->fix = vga16fb_fix;
 	/* supports rectangles with widths of multiples of 8 */
 	info->pixmap.blit_x = 1 << 7 | 1 << 15 | 1 << 23 | 1 << 31;
-	info->flags = FBINFO_FLAG_DEFAULT |
+	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE |
 		FBINFO_HWACCEL_YPAN;
 
 	i = (info->var.bits_per_pixel == 8) ? 256 : 16;
@@ -1354,6 +1368,9 @@ static int __devinit vga16fb_probe(struct platform_device *dev)
 
 	vga16fb_update_fix(info);
 
+	info->apertures->ranges[0].base = VGA_FB_PHYS;
+	info->apertures->ranges[0].size = VGA_FB_PHYS_LEN;
+
 	if (register_framebuffer(info) < 0) {
 		printk(KERN_ERR "vga16fb: unable to register framebuffer\n");
 		ret = -EINVAL;
@@ -1380,13 +1397,8 @@ static int vga16fb_remove(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
 
-	if (info) {
+	if (info)
 		unregister_framebuffer(info);
-		iounmap(info->screen_base);
-		fb_dealloc_cmap(&info->cmap);
-	/* XXX unshare VGA regions */
-		framebuffer_release(info);
-	}
 
 	return 0;
 }
diff --git a/include/linux/fb.h b/include/linux/fb.h
index f88e2549123..1296af45169 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -971,7 +971,8 @@ extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
 /* drivers/video/fbmem.c */
 extern int register_framebuffer(struct fb_info *fb_info);
 extern int unregister_framebuffer(struct fb_info *fb_info);
-extern void remove_conflicting_framebuffers(struct apertures_struct *a, const char *name);
+extern void remove_conflicting_framebuffers(struct apertures_struct *a,
+				const char *name, bool primary);
 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);

From 0ddfa7d574e0f3a7510b0be6c8ed807af017223f Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 08:38:20 +0000
Subject: [PATCH 1927/3638] drm: off by one in drm_edid.c

m == num_est3_modes is one past the end of the est3_modes[].

Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 326f28e04aa..0acb83a6372 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1383,7 +1383,7 @@ drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
 	for (i = 0; i < 6; i++) {
 		for (j = 7; j > 0; j--) {
 			m = (i * 8) + (7 - j);
-			if (m > num_est3_modes)
+			if (m >= num_est3_modes)
 				break;
 			if (est[i] & (1 << j)) {
 				mode = drm_find_dmt(connector->dev,

From 0db1a7bc00216a981d0b7056627ad8682f4f0636 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Mon, 17 May 2010 16:13:04 +0800
Subject: [PATCH 1928/3638] perf, x86: P4 PMU -- handle unflagged events

It might happen that an event can overflow without
the proper overflow flag set. Check the sign bit in
the raw counter value to solve this problem.

Tested-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: fweisbec@gmail.com
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1274083984.6540.15.camel@minggr.sh.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event_p4.c | 32 ++++++++++++++---------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 424fc8de68e..02f07283023 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -465,15 +465,21 @@ out:
 	return rc;
 }
 
-static inline void p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc)
+static inline int p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc)
 {
-	unsigned long dummy;
+	int overflow = 0;
+	u32 low, high;
 
-	rdmsrl(hwc->config_base + hwc->idx, dummy);
-	if (dummy & P4_CCCR_OVF) {
+	rdmsr(hwc->config_base + hwc->idx, low, high);
+
+	/* we need to check high bit for unflagged overflows */
+	if ((low & P4_CCCR_OVF) || (high & (1 << 31))) {
+		overflow = 1;
 		(void)checking_wrmsrl(hwc->config_base + hwc->idx,
-			((u64)dummy) & ~P4_CCCR_OVF);
+			((u64)low) & ~P4_CCCR_OVF);
 	}
+
+	return overflow;
 }
 
 static inline void p4_pmu_disable_event(struct perf_event *event)
@@ -584,21 +590,15 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
 
 		WARN_ON_ONCE(hwc->idx != idx);
 
-		/*
-		 * FIXME: Redundant call, actually not needed
-		 * but just to check if we're screwed
-		 */
-		p4_pmu_clear_cccr_ovf(hwc);
+		/* it might be unflagged overflow */
+		handled = p4_pmu_clear_cccr_ovf(hwc);
 
 		val = x86_perf_event_update(event);
-		if (val & (1ULL << (x86_pmu.cntval_bits - 1)))
+		if (!handled && (val & (1ULL << (x86_pmu.cntval_bits - 1))))
 			continue;
 
-		/*
-		 * event overflow
-		 */
-		handled		= 1;
-		data.period	= event->hw.last_period;
+		/* event overflow for sure */
+		data.period = event->hw.last_period;
 
 		if (!x86_perf_event_set_period(event))
 			continue;

From 5ab0a2758c887fc3094dac06d1838d8df709a09d Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 17 May 2010 12:33:42 +0200
Subject: [PATCH 1929/3638] arm/mx25: add watchdog device

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Tested-by: Juergen Beisert <jbe@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx25/devices.c | 15 +++++++++++++++
 arch/arm/mach-mx25/devices.h |  1 +
 2 files changed, 16 insertions(+)

diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index 3f4b8a0b5fa..3a405fa400e 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -500,3 +500,18 @@ struct platform_device mx25_fb_device = {
 		.coherent_dma_mask = 0xFFFFFFFF,
 	},
 };
+
+static struct resource mxc_wdt_resources[] = {
+	{
+		.start = MX25_WDOG_BASE_ADDR,
+		.end = MX25_WDOG_BASE_ADDR + SZ_16K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+struct platform_device mxc_wdt = {
+	.name = "imx2-wdt",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(mxc_wdt_resources),
+	.resource = mxc_wdt_resources,
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index 39560e13bc0..cee12c0a0be 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -21,3 +21,4 @@ extern struct platform_device mx25_fec_device;
 extern struct platform_device mxc_nand_device;
 extern struct platform_device mx25_rtc_device;
 extern struct platform_device mx25_fb_device;
+extern struct platform_device mxc_wdt;

From 4a870fc898db90033585cef35d89cf931e189fa4 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 17 May 2010 12:33:43 +0200
Subject: [PATCH 1930/3638] arm/mx51: add watchdog device

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/devices.c | 15 +++++++++++++++
 arch/arm/mach-mx5/devices.h |  1 +
 2 files changed, 16 insertions(+)

diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index 23850e637dc..7130449aacd 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -153,6 +153,21 @@ struct platform_device mxc_usbh1_device = {
 	},
 };
 
+static struct resource mxc_wdt_resources[] = {
+	{
+		.start = MX51_WDOG_BASE_ADDR,
+		.end = MX51_WDOG_BASE_ADDR + SZ_16K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+struct platform_device mxc_wdt = {
+	.name = "imx2-wdt",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(mxc_wdt_resources),
+	.resource = mxc_wdt_resources,
+};
+
 static struct mxc_gpio_port mxc_gpio_ports[] = {
 	{
 		.chip.label = "gpio-0",
diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
index 0494d6bbcc5..c879ae71cd5 100644
--- a/arch/arm/mach-mx5/devices.h
+++ b/arch/arm/mach-mx5/devices.h
@@ -5,3 +5,4 @@ extern struct platform_device mxc_fec_device;
 extern struct platform_device mxc_usbdr_host_device;
 extern struct platform_device mxc_usbh1_device;
 extern struct platform_device mxc_usbdr_udc_device;
+extern struct platform_device mxc_wdt;

From eb1f8e4f3be898df808e2dfc131099f5831d491d Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 7 May 2010 06:42:51 +0000
Subject: [PATCH 1931/3638] drm/fbdev: rework output polling to be back in the
 core. (v4)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

After thinking it over a lot it made more sense for the core to deal with
the output polling especially so it can notify X.

v2: drop plans for fake connector - per Michel's comments - fix X patch sent to xorg-devel, add intel polled/hpd setting, add initial nouveau polled/hpd settings.

v3: add config lock take inside polling, add intel/nouveau poll init/fini calls

v4: config lock was a bit agressive, only needed around connector list reading.
otherwise it could re-enter.

glisse: discard drm_helper_hpd_irq_event

v3: Reviewed-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/Kconfig                     |   2 +-
 drivers/gpu/drm/drm_crtc_helper.c           |  95 +++++++++++++++
 drivers/gpu/drm/drm_fb_helper.c             | 127 +++-----------------
 drivers/gpu/drm/i915/i915_dma.c             |   2 +-
 drivers/gpu/drm/i915/i915_irq.c             |   3 +-
 drivers/gpu/drm/i915/intel_crt.c            |   5 +
 drivers/gpu/drm/i915/intel_display.c        |   2 +
 drivers/gpu/drm/i915/intel_dp.c             |   2 +
 drivers/gpu/drm/i915/intel_drv.h            |   2 +-
 drivers/gpu/drm/i915/intel_fb.c             |  14 +--
 drivers/gpu/drm/i915/intel_hdmi.c           |   1 +
 drivers/gpu/drm/i915/intel_sdvo.c           |   2 +
 drivers/gpu/drm/nouveau/nouveau_connector.c |  12 ++
 drivers/gpu/drm/nouveau/nouveau_display.c   |   1 +
 drivers/gpu/drm/nouveau/nouveau_fbcon.c     |  14 +--
 drivers/gpu/drm/nouveau/nouveau_fbcon.h     |   2 +-
 drivers/gpu/drm/nouveau/nouveau_state.c     |   5 +-
 drivers/gpu/drm/nouveau/nv50_display.c      |   2 +-
 drivers/gpu/drm/radeon/radeon_connectors.c  |  13 ++
 drivers/gpu/drm/radeon/radeon_display.c     |  10 ++
 drivers/gpu/drm/radeon/radeon_fb.c          |  15 +--
 drivers/gpu/drm/radeon/radeon_irq_kms.c     |   5 +-
 drivers/gpu/drm/radeon/radeon_mode.h        |   3 +-
 include/drm/drm_crtc.h                      |  17 +++
 include/drm/drm_crtc_helper.h               |   3 +
 include/drm/drm_fb_helper.h                 |  13 +-
 26 files changed, 213 insertions(+), 159 deletions(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index be5aa7d5206..2583ddfcc33 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -9,6 +9,7 @@ menuconfig DRM
 	depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU
 	select I2C
 	select I2C_ALGOBIT
+	select SLOW_WORK
 	help
 	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
 	  introduced in XFree86 4.0. If you say Y here, you need to select
@@ -23,7 +24,6 @@ config DRM_KMS_HELPER
 	depends on DRM
 	select FB
 	select FRAMEBUFFER_CONSOLE if !EMBEDDED
-	select SLOW_WORK
 	help
 	  FB and CRTC helpers for KMS drivers.
 
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index b142ac260d9..76440195104 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -807,3 +807,98 @@ int drm_helper_resume_force_mode(struct drm_device *dev)
 	return 0;
 }
 EXPORT_SYMBOL(drm_helper_resume_force_mode);
+
+static struct slow_work_ops output_poll_ops;
+
+#define DRM_OUTPUT_POLL_PERIOD (10*HZ)
+static void output_poll_execute(struct slow_work *work)
+{
+	struct delayed_slow_work *delayed_work = container_of(work, struct delayed_slow_work, work);
+	struct drm_device *dev = container_of(delayed_work, struct drm_device, mode_config.output_poll_slow_work);
+	struct drm_connector *connector;
+	enum drm_connector_status old_status, status;
+	bool repoll = false, changed = false;
+	int ret;
+
+	mutex_lock(&dev->mode_config.mutex);
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+
+		/* if this is HPD or polled don't check it -
+		   TV out for instance */
+		if (!connector->polled)
+			continue;
+
+		else if (connector->polled & (DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT))
+			repoll = true;
+
+		old_status = connector->status;
+		/* if we are connected and don't want to poll for disconnect
+		   skip it */
+		if (old_status == connector_status_connected &&
+		    !(connector->polled & DRM_CONNECTOR_POLL_DISCONNECT) &&
+		    !(connector->polled & DRM_CONNECTOR_POLL_HPD))
+			continue;
+
+		status = connector->funcs->detect(connector);
+		if (old_status != status)
+			changed = true;
+	}
+
+	mutex_unlock(&dev->mode_config.mutex);
+
+	if (changed) {
+		/* send a uevent + call fbdev */
+		drm_sysfs_hotplug_event(dev);
+		if (dev->mode_config.funcs->output_poll_changed)
+			dev->mode_config.funcs->output_poll_changed(dev);
+	}
+
+	if (repoll) {
+		ret = delayed_slow_work_enqueue(delayed_work, DRM_OUTPUT_POLL_PERIOD);
+		if (ret)
+			DRM_ERROR("delayed enqueue failed %d\n", ret);
+	}
+}
+
+void drm_kms_helper_poll_init(struct drm_device *dev)
+{
+	struct drm_connector *connector;
+	bool poll = false;
+	int ret;
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		if (connector->polled)
+			poll = true;
+	}
+	slow_work_register_user(THIS_MODULE);
+	delayed_slow_work_init(&dev->mode_config.output_poll_slow_work,
+			       &output_poll_ops);
+
+	if (poll) {
+		ret = delayed_slow_work_enqueue(&dev->mode_config.output_poll_slow_work, DRM_OUTPUT_POLL_PERIOD);
+		if (ret)
+			DRM_ERROR("delayed enqueue failed %d\n", ret);
+	}
+}
+EXPORT_SYMBOL(drm_kms_helper_poll_init);
+
+void drm_kms_helper_poll_fini(struct drm_device *dev)
+{
+	delayed_slow_work_cancel(&dev->mode_config.output_poll_slow_work);
+	slow_work_unregister_user(THIS_MODULE);
+}
+EXPORT_SYMBOL(drm_kms_helper_poll_fini);
+
+void drm_helper_hpd_irq_event(struct drm_device *dev)
+{
+	if (!dev->mode_config.poll_enabled)
+		return;
+	delayed_slow_work_cancel(&dev->mode_config.output_poll_slow_work);
+	/* schedule a slow work asap */
+	delayed_slow_work_enqueue(&dev->mode_config.output_poll_slow_work, 0);
+}
+EXPORT_SYMBOL(drm_helper_hpd_irq_event);
+
+static struct slow_work_ops output_poll_ops = {
+	.execute = output_poll_execute,
+};
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 5db4f47a008..f7b8fca4bbb 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -42,8 +42,6 @@ MODULE_LICENSE("GPL and additional rights");
 
 static LIST_HEAD(kernel_fb_helper_list);
 
-static struct slow_work_ops output_status_change_ops;
-
 /* simple single crtc case helper function */
 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper)
 {
@@ -425,19 +423,13 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper)
 
 int drm_fb_helper_init(struct drm_device *dev,
 		       struct drm_fb_helper *fb_helper,
-		       int crtc_count, int max_conn_count,
-		       bool polled)
+		       int crtc_count, int max_conn_count)
 {
 	struct drm_crtc *crtc;
 	int ret = 0;
 	int i;
 
 	fb_helper->dev = dev;
-	fb_helper->poll_enabled = polled;
-
-	slow_work_register_user(THIS_MODULE);
-	delayed_slow_work_init(&fb_helper->output_status_change_slow_work,
-			       &output_status_change_ops);
 
 	INIT_LIST_HEAD(&fb_helper->kernel_fb_list);
 
@@ -494,8 +486,6 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)
 
 	drm_fb_helper_crtc_free(fb_helper);
 
-	delayed_slow_work_cancel(&fb_helper->output_status_change_slow_work);
-	slow_work_unregister_user(THIS_MODULE);
 }
 EXPORT_SYMBOL(drm_fb_helper_fini);
 
@@ -713,7 +703,7 @@ int drm_fb_helper_set_par(struct fb_info *info)
 
 	if (fb_helper->delayed_hotplug) {
 		fb_helper->delayed_hotplug = false;
-		delayed_slow_work_enqueue(&fb_helper->output_status_change_slow_work, 0);
+		drm_fb_helper_hotplug_event(fb_helper);
 	}
 	return 0;
 }
@@ -826,7 +816,7 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 	if (crtc_count == 0 || sizes.fb_width == -1 || sizes.fb_height == -1) {
 		/* hmm everyone went away - assume VGA cable just fell out
 		   and will come back later. */
-		DRM_ERROR("Cannot find any crtc or sizes - going 1024x768\n");
+		DRM_INFO("Cannot find any crtc or sizes - going 1024x768\n");
 		sizes.fb_width = sizes.surface_width = 1024;
 		sizes.fb_height = sizes.surface_height = 768;
 	}
@@ -1292,12 +1282,7 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel)
 	 * we shouldn't end up with no modes here.
 	 */
 	if (count == 0) {
-		if (fb_helper->poll_enabled) {
-			delayed_slow_work_enqueue(&fb_helper->output_status_change_slow_work,
-						  5*HZ);
-			printk(KERN_INFO "No connectors reported connected with modes - started polling\n");
-		} else
-			printk(KERN_INFO "No connectors reported connected with modes\n");
+		printk(KERN_INFO "No connectors reported connected with modes\n");
 	}
 	drm_setup_crtcs(fb_helper);
 
@@ -1305,26 +1290,27 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel)
 }
 EXPORT_SYMBOL(drm_fb_helper_initial_config);
 
-/* we got a hotplug irq - need to update fbcon */
-void drm_helper_fb_hpd_irq_event(struct drm_fb_helper *fb_helper)
-{
-	/* if we don't have the fbdev registered yet do nothing */
-	if (!fb_helper->fbdev)
-		return;
-
-	/* schedule a slow work asap */
-	delayed_slow_work_enqueue(&fb_helper->output_status_change_slow_work, 0);
-}
-EXPORT_SYMBOL(drm_helper_fb_hpd_irq_event);
-
-bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper, bool polled)
+bool drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
 {
 	int count = 0;
-	int ret;
 	u32 max_width, max_height, bpp_sel;
+	bool bound = false, crtcs_bound = false;
+	struct drm_crtc *crtc;
 
 	if (!fb_helper->fb)
 		return false;
+
+	list_for_each_entry(crtc, &fb_helper->dev->mode_config.crtc_list, head) {
+		if (crtc->fb)
+			crtcs_bound = true;
+		if (crtc->fb == fb_helper->fb)
+			bound = true;
+	}
+
+	if (!bound && crtcs_bound) {
+		fb_helper->delayed_hotplug = true;
+		return false;
+	}
 	DRM_DEBUG_KMS("\n");
 
 	max_width = fb_helper->fb->width;
@@ -1333,82 +1319,9 @@ bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper, bool polled)
 
 	count = drm_fb_helper_probe_connector_modes(fb_helper, max_width,
 						    max_height);
-	if (fb_helper->poll_enabled && !polled) {
-		if (count) {
-			delayed_slow_work_cancel(&fb_helper->output_status_change_slow_work);
-		} else {
-			ret = delayed_slow_work_enqueue(&fb_helper->output_status_change_slow_work, 5*HZ);
-		}
-	}
 	drm_setup_crtcs(fb_helper);
 
 	return drm_fb_helper_single_fb_probe(fb_helper, bpp_sel);
 }
-EXPORT_SYMBOL(drm_helper_fb_hotplug_event);
-
-/*
- * delayed work queue execution function
- * - check if fbdev is actually in use on the gpu
- *   - if not set delayed flag and repoll if necessary
- * - check for connector status change
- * - repoll if 0 modes found
- *- call driver output status changed notifier
- */
-static void output_status_change_execute(struct slow_work *work)
-{
-	struct delayed_slow_work *delayed_work = container_of(work, struct delayed_slow_work, work);
-	struct drm_fb_helper *fb_helper = container_of(delayed_work, struct drm_fb_helper, output_status_change_slow_work);
-	struct drm_connector *connector;
-	enum drm_connector_status old_status, status;
-	bool repoll, changed = false;
-	int ret;
-	int i;
-	bool bound = false, crtcs_bound = false;
-	struct drm_crtc *crtc;
-
-	repoll = fb_helper->poll_enabled;
-
-	/* first of all check the fbcon framebuffer is actually bound to any crtc */
-	/* take into account that no crtc at all maybe bound */
-	list_for_each_entry(crtc, &fb_helper->dev->mode_config.crtc_list, head) {
-		if (crtc->fb)
-			crtcs_bound = true;
-		if (crtc->fb == fb_helper->fb)
-			bound = true;
-	}
-
-	if (bound == false && crtcs_bound) {
-		fb_helper->delayed_hotplug = true;
-		goto requeue;
-	}
-
-	for (i = 0; i < fb_helper->connector_count; i++) {
-		connector = fb_helper->connector_info[i]->connector;
-		old_status = connector->status;
-		status = connector->funcs->detect(connector);
-		if (old_status != status) {
-			changed = true;
-		}
-		if (status == connector_status_connected && repoll) {
-			DRM_DEBUG("%s is connected - stop polling\n", drm_get_connector_name(connector));
-			repoll = false;
-		}
-	}
-
-	if (changed) {
-		if (fb_helper->funcs->fb_output_status_changed)
-			fb_helper->funcs->fb_output_status_changed(fb_helper);
-	}
-
-requeue:
-	if (repoll) {
-		ret = delayed_slow_work_enqueue(delayed_work, 5*HZ);
-		if (ret)
-			DRM_ERROR("delayed enqueue failed %d\n", ret);
-	}
-}
-
-static struct slow_work_ops output_status_change_ops = {
-	.execute = output_status_change_execute,
-};
+EXPORT_SYMBOL(drm_fb_helper_hotplug_event);
 
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 52e468bbd5e..8fe66ac4e1a 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1493,7 +1493,7 @@ static int i915_load_modeset_init(struct drm_device *dev,
 	I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
 
 	intel_fbdev_init(dev);
-
+	drm_kms_helper_poll_init(dev);
 	return 0;
 
 destroy_ringbuffer:
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ed26b7b7376..b034ea36731 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -271,8 +271,7 @@ static void i915_hotplug_work_func(struct work_struct *work)
 		}
 	}
 	/* Just fire off a uevent and let userspace tell us what to do */
-	intelfb_hotplug(dev, false);
-	drm_sysfs_hotplug_event(dev);
+	drm_helper_hpd_irq_event(dev);
 }
 
 static void i915_handle_rps_change(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 26756cd34e3..e16ac5a28c3 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -577,5 +577,10 @@ void intel_crt_init(struct drm_device *dev)
 
 	drm_sysfs_connector_add(connector);
 
+	if (I915_HAS_HOTPLUG(dev))
+		connector->polled = DRM_CONNECTOR_POLL_HPD;
+	else
+		connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+
 	dev_priv->hotplug_supported_mask |= CRT_HOTPLUG_INT_STATUS;
 }
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3836f56e842..4d739a1b13c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4959,6 +4959,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
 
 static const struct drm_mode_config_funcs intel_mode_funcs = {
 	.fb_create = intel_user_framebuffer_create,
+	.output_poll_changed = intel_fb_output_poll_changed,
 };
 
 static struct drm_gem_object *
@@ -5346,6 +5347,7 @@ void intel_modeset_cleanup(struct drm_device *dev)
 
 	mutex_lock(&dev->struct_mutex);
 
+	drm_kms_helper_poll_fini(dev);
 	intel_fbdev_fini(dev);
 
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index f6299bb788e..6b1c9a27c27 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1392,6 +1392,8 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 			   DRM_MODE_CONNECTOR_DisplayPort);
 	drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
 
+	connector->polled = DRM_CONNECTOR_POLL_HPD;
+
 	if (output_reg == DP_A)
 		intel_encoder->type = INTEL_OUTPUT_EDP;
 	else
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 3230e8d2ea4..df931f78766 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -235,5 +235,5 @@ extern int intel_overlay_put_image(struct drm_device *dev, void *data,
 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
 			       struct drm_file *file_priv);
 
-void intelfb_hotplug(struct drm_device *dev, bool polled);
+extern void intel_fb_output_poll_changed(struct drm_device *dev);
 #endif /* __INTEL_DRV_H__ */
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 7f1eabbaa2b..6f53cf7fbc5 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -207,12 +207,6 @@ static int intel_fb_find_or_create_single(struct drm_fb_helper *helper,
 	return new_fb;
 }
 
-void intelfb_hotplug(struct drm_device *dev, bool polled)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	drm_helper_fb_hpd_irq_event(&dev_priv->fbdev->helper);
-}
-
 static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
 	.gamma_set = intel_crtc_fb_gamma_set,
 	.gamma_get = intel_crtc_fb_gamma_get,
@@ -256,7 +250,7 @@ int intel_fbdev_init(struct drm_device *dev)
 	ifbdev->helper.funcs = &intel_fb_helper_funcs;
 
 	drm_fb_helper_init(dev, &ifbdev->helper, 2,
-			   INTELFB_CONN_LIMIT, false);
+			   INTELFB_CONN_LIMIT);
 
 	drm_fb_helper_single_add_all_connectors(&ifbdev->helper);
 	drm_fb_helper_initial_config(&ifbdev->helper, 32);
@@ -274,3 +268,9 @@ void intel_fbdev_fini(struct drm_device *dev)
 	dev_priv->fbdev = NULL;
 }
 MODULE_LICENSE("GPL and additional rights");
+
+void intel_fb_output_poll_changed(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper);
+}
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 8a1c4eddc03..65727f0a79a 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -237,6 +237,7 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 
 	intel_encoder->type = INTEL_OUTPUT_HDMI;
 
+	connector->polled = DRM_CONNECTOR_POLL_HPD;
 	connector->interlace_allowed = 0;
 	connector->doublescan_allowed = 0;
 	intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 42ceb15da68..ca372abc36c 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2244,6 +2244,7 @@ intel_sdvo_dvi_init(struct intel_encoder *intel_encoder, int device)
 	}
 
 	connector = &intel_connector->base;
+	connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
 	encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
 	connector->connector_type = DRM_MODE_CONNECTOR_DVID;
 
@@ -2310,6 +2311,7 @@ intel_sdvo_analog_init(struct intel_encoder *intel_encoder, int device)
                 return false;
 
         connector = &intel_connector->base;
+	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
         sdvo_connector = intel_connector->dev_priv;
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 14afe1e47e5..7e663a79829 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -843,6 +843,7 @@ nouveau_connector_create(struct drm_device *dev,
 
 	switch (dcb->type) {
 	case DCB_CONNECTOR_VGA:
+		connector->polled = DRM_CONNECTOR_POLL_CONNECT;
 		if (dev_priv->card_type >= NV_50) {
 			drm_connector_attach_property(connector,
 					dev->mode_config.scaling_mode_property,
@@ -854,6 +855,17 @@ nouveau_connector_create(struct drm_device *dev,
 	case DCB_CONNECTOR_TV_3:
 		nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
 		break;
+	case DCB_CONNECTOR_DP:
+	case DCB_CONNECTOR_eDP:
+	case DCB_CONNECTOR_HDMI_0:
+	case DCB_CONNECTOR_HDMI_1:
+	case DCB_CONNECTOR_DVI_I:
+	case DCB_CONNECTOR_DVI_D:
+		if (dev_priv->card_type >= NV_50)
+			connector->polled = DRM_CONNECTOR_POLL_HPD;
+		else
+			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+		/* fall-through */
 	default:
 		nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 9d7928f40fd..74e6b4ed12c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -101,5 +101,6 @@ nouveau_user_framebuffer_create(struct drm_device *dev,
 
 const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
 	.fb_create = nouveau_user_framebuffer_create,
+	.output_poll_changed = nouveau_fbcon_output_poll_changed,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 2c2199329cc..fd4a2df715e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -326,15 +326,11 @@ nouveau_fbcon_find_or_create_single(struct drm_fb_helper *helper,
 	return new_fb;
 }
 
-void nouveau_fbcon_hotplug(struct drm_device *dev)
+void
+nouveau_fbcon_output_poll_changed(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	drm_helper_fb_hpd_irq_event(&dev_priv->nfbdev->helper);
-}
-
-static void nouveau_fbcon_output_status_changed(struct drm_fb_helper *fb_helper)
-{
-	drm_helper_fb_hotplug_event(fb_helper, true);
+	drm_fb_helper_hotplug_event(&dev_priv->nfbdev->helper);
 }
 
 int
@@ -374,7 +370,6 @@ static struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = {
 	.gamma_set = nouveau_fbcon_gamma_set,
 	.gamma_get = nouveau_fbcon_gamma_get,
 	.fb_probe = nouveau_fbcon_find_or_create_single,
-	.fb_output_status_changed = nouveau_fbcon_output_status_changed,
 };
 
 
@@ -391,8 +386,7 @@ int nouveau_fbcon_init(struct drm_device *dev)
 	dev_priv->nfbdev = nfbdev;
 	nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs;
 
-	drm_fb_helper_init(dev, &nfbdev->helper,
-			   2, 4, true);
+	drm_fb_helper_init(dev, &nfbdev->helper, 2, 4);
 	drm_fb_helper_single_add_all_connectors(&nfbdev->helper);
 	drm_fb_helper_initial_config(&nfbdev->helper, 32);
 	return 0;
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.h b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
index bf8e00d4de6..e7e12684c37 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
@@ -58,6 +58,6 @@ void nouveau_fbcon_zfill_all(struct drm_device *dev);
 void nouveau_fbcon_save_disable_accel(struct drm_device *dev);
 void nouveau_fbcon_restore_accel(struct drm_device *dev);
 
-void nouveau_fbcon_hotplug(struct drm_device *dev);
+void nouveau_fbcon_output_poll_changed(struct drm_device *dev);
 #endif /* __NV50_FBCON_H__ */
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index c667a1138c3..e632339c323 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -516,8 +516,10 @@ nouveau_card_init(struct drm_device *dev)
 
 	dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
 
-	if (drm_core_check_feature(dev, DRIVER_MODESET))
+	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
 		nouveau_fbcon_init(dev);
+		drm_kms_helper_poll_init(dev);
+	}
 
 	return 0;
 
@@ -844,6 +846,7 @@ int nouveau_unload(struct drm_device *dev)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		drm_kms_helper_poll_fini(dev);
 		nouveau_fbcon_fini(dev);
 		if (dev_priv->card_type >= NV_50)
 			nv50_display_destroy(dev);
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index f9b304866e6..34156b69594 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -947,7 +947,7 @@ nv50_display_irq_hotplug_bh(struct work_struct *work)
 	if (dev_priv->chipset >= 0x90)
 		nv_wr32(dev, 0xe074, nv_rd32(dev, 0xe074));
 
-	nouveau_fbcon_hotplug(dev);
+	drm_helper_hpd_irq_event(dev);
 }
 
 void
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index c48934677ad..765854ed33c 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1085,6 +1085,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 		drm_connector_attach_property(&radeon_connector->base,
 					      rdev->mode_info.load_detect_property,
 					      1);
+		connector->polled = DRM_CONNECTOR_POLL_CONNECT;
 		break;
 	case DRM_MODE_CONNECTOR_DVIA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
@@ -1211,6 +1212,12 @@ radeon_add_atom_connector(struct drm_device *dev,
 		break;
 	}
 
+	if (hpd->hpd == RADEON_HPD_NONE) {
+		if (i2c_bus->valid)
+			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+	} else
+		connector->polled = DRM_CONNECTOR_POLL_HPD;
+
 	connector->display_info.subpixel_order = subpixel_order;
 	drm_sysfs_connector_add(connector);
 	return;
@@ -1272,6 +1279,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
 		drm_connector_attach_property(&radeon_connector->base,
 					      rdev->mode_info.load_detect_property,
 					      1);
+		connector->polled = DRM_CONNECTOR_POLL_CONNECT;
 		break;
 	case DRM_MODE_CONNECTOR_DVIA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
@@ -1338,6 +1346,11 @@ radeon_add_legacy_connector(struct drm_device *dev,
 		break;
 	}
 
+	if (hpd->hpd == RADEON_HPD_NONE) {
+		if (i2c_bus->valid)
+			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+	} else
+		connector->polled = DRM_CONNECTOR_POLL_HPD;
 	connector->display_info.subpixel_order = subpixel_order;
 	drm_sysfs_connector_add(connector);
 	return;
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 243c1c4bc83..bc9cc9211e6 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -888,8 +888,15 @@ radeon_user_framebuffer_create(struct drm_device *dev,
 	return &radeon_fb->base;
 }
 
+static void radeon_output_poll_changed(struct drm_device *dev)
+{
+	struct radeon_device *rdev = dev->dev_private;
+	radeon_fb_output_poll_changed(rdev);
+}
+
 static const struct drm_mode_config_funcs radeon_mode_funcs = {
 	.fb_create = radeon_user_framebuffer_create,
+	.output_poll_changed = radeon_output_poll_changed
 };
 
 struct drm_prop_enum_list {
@@ -1031,6 +1038,8 @@ int radeon_modeset_init(struct radeon_device *rdev)
 	radeon_hpd_init(rdev);
 
 	radeon_fbdev_init(rdev);
+	drm_kms_helper_poll_init(rdev->ddev);
+
 	return 0;
 }
 
@@ -1040,6 +1049,7 @@ void radeon_modeset_fini(struct radeon_device *rdev)
 	kfree(rdev->mode_info.bios_hardcoded_edid);
 
 	if (rdev->mode_info.mode_config_initialized) {
+		drm_kms_helper_poll_fini(rdev->ddev);
 		radeon_hpd_fini(rdev);
 		drm_mode_config_cleanup(rdev->ddev);
 		rdev->mode_info.mode_config_initialized = false;
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index b4948021e34..e192acfbf0c 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -316,16 +316,9 @@ int radeon_parse_options(char *options)
 	return 0;
 }
 
-void radeonfb_hotplug(struct drm_device *dev, bool polled)
+void radeon_fb_output_poll_changed(struct radeon_device *rdev)
 {
-	struct radeon_device *rdev = dev->dev_private;
-
-	drm_helper_fb_hpd_irq_event(&rdev->mode_info.rfbdev->helper);
-}
-
-static void radeon_fb_output_status_changed(struct drm_fb_helper *fb_helper)
-{
-	drm_helper_fb_hotplug_event(fb_helper, true);
+	drm_fb_helper_hotplug_event(&rdev->mode_info.rfbdev->helper);
 }
 
 static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
@@ -364,7 +357,6 @@ static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
 	.gamma_set = radeon_crtc_fb_gamma_set,
 	.gamma_get = radeon_crtc_fb_gamma_get,
 	.fb_probe = radeon_fb_find_or_create_single,
-	.fb_output_status_changed = radeon_fb_output_status_changed,
 };
 
 int radeon_fbdev_init(struct radeon_device *rdev)
@@ -386,11 +378,10 @@ int radeon_fbdev_init(struct radeon_device *rdev)
 
 	drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
 			   rdev->num_crtc,
-			   RADEONFB_CONN_LIMIT, true);
+			   RADEONFB_CONN_LIMIT);
 	drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
 	drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
 	return 0;
-
 }
 
 void radeon_fbdev_fini(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index a95907aa7ea..8fa40ed397e 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -26,6 +26,7 @@
  *          Jerome Glisse
  */
 #include "drmP.h"
+#include "drm_crtc_helper.h"
 #include "radeon_drm.h"
 #include "radeon_reg.h"
 #include "radeon.h"
@@ -55,9 +56,7 @@ static void radeon_hotplug_work_func(struct work_struct *work)
 			radeon_connector_hotplug(connector);
 	}
 	/* Just fire off a uevent and let userspace tell us what to do */
-	radeonfb_hotplug(dev, false);
-
-	drm_sysfs_hotplug_event(dev);
+	drm_helper_hpd_irq_event(dev);
 }
 
 void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index dd451c55c53..061a2a6801c 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -586,5 +586,6 @@ void radeon_fbdev_fini(struct radeon_device *rdev);
 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
 int radeon_fbdev_total_size(struct radeon_device *rdev);
 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
-void radeonfb_hotplug(struct drm_device *dev, bool polled);
+
+void radeon_fb_output_poll_changed(struct radeon_device *rdev);
 #endif
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index c560364663a..2e4bf92faa8 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -31,6 +31,7 @@
 #include <linux/idr.h>
 
 #include <linux/fb.h>
+#include <linux/slow-work.h>
 
 struct drm_device;
 struct drm_mode_set;
@@ -460,6 +461,15 @@ enum drm_connector_force {
 	DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
 };
 
+/* should we poll this connector for connects and disconnects */
+/* hot plug detectable */
+#define DRM_CONNECTOR_POLL_HPD (1 << 0)
+/* poll for connections */
+#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
+/* can cleanly poll for disconnections without flickering the screen */
+/* DACs should rarely do this without a lot of testing */
+#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
+
 /**
  * drm_connector - central DRM connector control structure
  * @crtc: CRTC this connector is currently connected to, NULL if none
@@ -504,6 +514,8 @@ struct drm_connector {
 	u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
 	uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
 
+	uint8_t polled; /* DRM_CONNECTOR_POLL_* */
+
 	/* requested DPMS state */
 	int dpms;
 
@@ -543,6 +555,7 @@ struct drm_mode_set {
  */
 struct drm_mode_config_funcs {
 	struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
+	void (*output_poll_changed)(struct drm_device *dev);
 };
 
 struct drm_mode_group {
@@ -580,6 +593,10 @@ struct drm_mode_config {
 	struct drm_mode_config_funcs *funcs;
 	resource_size_t fb_base;
 
+	/* output poll support */
+	bool poll_enabled;
+	struct delayed_slow_work output_poll_slow_work;
+
 	/* pointers to standard properties */
 	struct list_head property_blob_list;
 	struct drm_property *edid_property;
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index b1fa0f8cfa6..dc5873c21e4 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -127,4 +127,7 @@ static inline void drm_connector_helper_add(struct drm_connector *connector,
 }
 
 extern int drm_helper_resume_force_mode(struct drm_device *dev);
+extern void drm_kms_helper_poll_init(struct drm_device *dev);
+extern void drm_kms_helper_poll_fini(struct drm_device *dev);
+extern void drm_helper_hpd_irq_event(struct drm_device *dev);
 #endif
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 9b55a94fead..f0a6afc47e7 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -30,8 +30,6 @@
 #ifndef DRM_FB_HELPER_H
 #define DRM_FB_HELPER_H
 
-#include <linux/slow-work.h>
-
 struct drm_fb_helper;
 
 struct drm_fb_helper_crtc {
@@ -71,9 +69,6 @@ struct drm_fb_helper_funcs {
 
 	int (*fb_probe)(struct drm_fb_helper *helper,
 			struct drm_fb_helper_surface_size *sizes);
-
-	void (*fb_output_status_changed)(struct drm_fb_helper *helper);
-
 };
 
 struct drm_fb_helper_connector {
@@ -95,8 +90,6 @@ struct drm_fb_helper {
 	u32 pseudo_palette[17];
 	struct list_head kernel_fb_list;
 
-	struct delayed_slow_work output_status_change_slow_work;
-	bool poll_enabled;
 	/* we got a hotplug but fbdev wasn't running the console
 	   delay until next set_par */
 	bool delayed_hotplug;
@@ -107,7 +100,7 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
 
 int drm_fb_helper_init(struct drm_device *dev,
 		       struct drm_fb_helper *helper, int crtc_count,
-		       int max_conn, bool polled);
+		       int max_conn);
 void drm_fb_helper_fini(struct drm_fb_helper *helper);
 int drm_fb_helper_blank(int blank, struct fb_info *info);
 int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
@@ -130,10 +123,8 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
 
 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
 
-bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
-				 bool polled);
+bool drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
 bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
 
-void drm_helper_fb_hpd_irq_event(struct drm_fb_helper *fb_helper);
 #endif

From 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 7 May 2010 05:02:30 +0000
Subject: [PATCH 1932/3638] drm/fbdev: fix cloning on fbcon

Simple cloning rules compared to server:
(a) single crtc
(b) > 1 connector active
(c) check command line mode
(d) try and find 1024x768 DMT mode if no command line.
(e) fail to clone

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c      | 17 ++++---
 drivers/gpu/drm/drm_fb_helper.c | 90 +++++++++++++++++++++++++++++++--
 include/drm/drm_crtc.h          |  2 +
 3 files changed, 96 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 0acb83a6372..dfd4f3677f3 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -658,8 +658,8 @@ static struct drm_display_mode drm_dmt_modes[] = {
 static const int drm_num_dmt_modes =
 	sizeof(drm_dmt_modes) / sizeof(struct drm_display_mode);
 
-static struct drm_display_mode *drm_find_dmt(struct drm_device *dev,
-			int hsize, int vsize, int fresh)
+struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
+					   int hsize, int vsize, int fresh)
 {
 	int i;
 	struct drm_display_mode *ptr, *mode;
@@ -677,6 +677,7 @@ static struct drm_display_mode *drm_find_dmt(struct drm_device *dev,
 	}
 	return mode;
 }
+EXPORT_SYMBOL(drm_mode_find_dmt);
 
 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
 
@@ -866,7 +867,7 @@ drm_mode_std(struct drm_connector *connector, struct edid *edid,
 	}
 
 	/* check whether it can be found in default mode table */
-	mode = drm_find_dmt(dev, hsize, vsize, vrefresh_rate);
+	mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate);
 	if (mode)
 		return mode;
 
@@ -1386,11 +1387,11 @@ drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
 			if (m >= num_est3_modes)
 				break;
 			if (est[i] & (1 << j)) {
-				mode = drm_find_dmt(connector->dev,
-						    est3_modes[m].w,
-						    est3_modes[m].h,
-						    est3_modes[m].r
-						    /*, est3_modes[m].rb */);
+				mode = drm_mode_find_dmt(connector->dev,
+							 est3_modes[m].w,
+							 est3_modes[m].h,
+							 est3_modes[m].r
+							 /*, est3_modes[m].rb */);
 				if (mode) {
 					drm_mode_probed_add(connector, mode);
 					modes++;
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index f7b8fca4bbb..b3779d243ae 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1070,6 +1070,79 @@ static void drm_enable_connectors(struct drm_fb_helper *fb_helper,
 	}
 }
 
+static bool drm_target_cloned(struct drm_fb_helper *fb_helper,
+			      struct drm_display_mode **modes,
+			      bool *enabled, int width, int height)
+{
+	int count, i, j;
+	bool can_clone = false;
+	struct drm_fb_helper_connector *fb_helper_conn;
+	struct drm_display_mode *dmt_mode, *mode;
+
+	/* only contemplate cloning in the single crtc case */
+	if (fb_helper->crtc_count > 1)
+		return false;
+
+	count = 0;
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		if (enabled[i])
+			count++;
+	}
+
+	/* only contemplate cloning if more than one connector is enabled */
+	if (count <= 1)
+		return false;
+
+	/* check the command line or if nothing common pick 1024x768 */
+	can_clone = true;
+	for (i = 0; i < fb_helper->connector_count; i++) {
+		if (!enabled[i])
+			continue;
+		fb_helper_conn = fb_helper->connector_info[i];
+		modes[i] = drm_pick_cmdline_mode(fb_helper_conn, width, height);
+		if (!modes[i]) {
+			can_clone = false;
+			break;
+		}
+		for (j = 0; j < i; j++) {
+			if (!enabled[j])
+				continue;
+			if (!drm_mode_equal(modes[j], modes[i]))
+				can_clone = false;
+		}
+	}
+
+	if (can_clone) {
+		DRM_DEBUG_KMS("can clone using command line\n");
+		return true;
+	}
+
+	/* try and find a 1024x768 mode on each connector */
+	can_clone = true;
+	dmt_mode = drm_mode_find_dmt(fb_helper->dev, 1024, 768, 60);
+
+	for (i = 0; i < fb_helper->connector_count; i++) {
+
+		if (!enabled[i])
+			continue;
+
+		fb_helper_conn = fb_helper->connector_info[i];
+		list_for_each_entry(mode, &fb_helper_conn->connector->modes, head) {
+			if (drm_mode_equal(mode, dmt_mode))
+				modes[i] = mode;
+		}
+		if (!modes[i])
+			can_clone = false;
+	}
+
+	if (can_clone) {
+		DRM_DEBUG_KMS("can clone using 1024x768\n");
+		return true;
+	}
+	DRM_INFO("kms: can't enable cloning when we probably wanted to.\n");
+	return false;
+}
+
 static bool drm_target_preferred(struct drm_fb_helper *fb_helper,
 				 struct drm_display_mode **modes,
 				 bool *enabled, int width, int height)
@@ -1163,8 +1236,12 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
 				break;
 
 		if (o < n) {
-			/* ignore cloning for now */
-			continue;
+			/* ignore cloning unless only a single crtc */
+			if (fb_helper->crtc_count > 1)
+				continue;
+
+			if (!drm_mode_equal(modes[o], modes[n]))
+				continue;
 		}
 
 		crtcs[n] = crtc;
@@ -1214,9 +1291,12 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
 
 	drm_enable_connectors(fb_helper, enabled);
 
-	ret = drm_target_preferred(fb_helper, modes, enabled, width, height);
-	if (!ret)
-		DRM_ERROR("Unable to find initial modes\n");
+	ret = drm_target_cloned(fb_helper, modes, enabled, width, height);
+	if (!ret) {
+		ret = drm_target_preferred(fb_helper, modes, enabled, width, height);
+		if (!ret)
+			DRM_ERROR("Unable to find initial modes\n");
+	}
 
 	DRM_DEBUG_KMS("picking CRTCs for %dx%d config\n", width, height);
 
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 2e4bf92faa8..93a1a31b9c2 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -804,4 +804,6 @@ extern int drm_add_modes_noedid(struct drm_connector *connector,
 				int hdisplay, int vdisplay);
 
 extern bool drm_edid_is_valid(struct edid *edid);
+struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
+					   int hsize, int vsize, int fresh);
 #endif /* __DRM_CRTC_H__ */

From def9ba9cf6a8266ee1ffd72556db002c3a2663db Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 12:39:58 -0400
Subject: [PATCH 1933/3638] drm/radeon/kms: add gui_idle callback

Check to see if the GUI engine and related blocks
(2D, 3D, CP, etc) are idle or not.  There are a number
of cases when we need to know if the drawing engine
is busy.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r100.c        |  8 ++++++++
 drivers/gpu/drm/radeon/r600.c        |  8 ++++++++
 drivers/gpu/drm/radeon/radeon.h      |  2 ++
 drivers/gpu/drm/radeon/radeon_asic.c | 14 ++++++++++++++
 drivers/gpu/drm/radeon/radeon_asic.h |  2 ++
 5 files changed, 34 insertions(+)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 9bdccb96499..e62116e222a 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -67,6 +67,14 @@ MODULE_FIRMWARE(FIRMWARE_R520);
  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  */
 
+bool r100_gui_idle(struct radeon_device *rdev)
+{
+	if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
+		return false;
+	else
+		return true;
+}
+
 /* hpd for digital panel detect/disconnect */
 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 {
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 2ec423c3f3f..1c85dcb168a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -92,6 +92,14 @@ void r600_gpu_init(struct radeon_device *rdev);
 void r600_fini(struct radeon_device *rdev);
 void r600_irq_disable(struct radeon_device *rdev);
 
+bool r600_gui_idle(struct radeon_device *rdev)
+{
+	if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
+		return false;
+	else
+		return true;
+}
+
 /* hpd for digital panel detect/disconnect */
 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 {
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ab29d972a16..bb4a2a66f07 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -803,6 +803,7 @@ struct radeon_asic {
 	 * through ring.
 	 */
 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
+	bool (*gui_idle)(struct radeon_device *rdev);
 };
 
 /*
@@ -1209,6 +1210,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd_fini((rdev))
 #define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
 #define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
+#define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
 
 /* Common functions */
 /* AGP */
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index f835333c1b6..42708462fd4 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -165,6 +165,7 @@ static struct radeon_asic r100_asic = {
 	.hpd_sense = &r100_hpd_sense,
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic r200_asic = {
@@ -203,6 +204,7 @@ static struct radeon_asic r200_asic = {
 	.hpd_sense = &r100_hpd_sense,
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic r300_asic = {
@@ -242,6 +244,7 @@ static struct radeon_asic r300_asic = {
 	.hpd_sense = &r100_hpd_sense,
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic r300_asic_pcie = {
@@ -280,6 +283,7 @@ static struct radeon_asic r300_asic_pcie = {
 	.hpd_sense = &r100_hpd_sense,
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic r420_asic = {
@@ -319,6 +323,7 @@ static struct radeon_asic r420_asic = {
 	.hpd_sense = &r100_hpd_sense,
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic rs400_asic = {
@@ -358,6 +363,7 @@ static struct radeon_asic rs400_asic = {
 	.hpd_sense = &r100_hpd_sense,
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic rs600_asic = {
@@ -397,6 +403,7 @@ static struct radeon_asic rs600_asic = {
 	.hpd_sense = &rs600_hpd_sense,
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic rs690_asic = {
@@ -436,6 +443,7 @@ static struct radeon_asic rs690_asic = {
 	.hpd_sense = &rs600_hpd_sense,
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic rv515_asic = {
@@ -475,6 +483,7 @@ static struct radeon_asic rv515_asic = {
 	.hpd_sense = &rs600_hpd_sense,
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic r520_asic = {
@@ -514,6 +523,7 @@ static struct radeon_asic r520_asic = {
 	.hpd_sense = &rs600_hpd_sense,
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
+	.gui_idle = &r100_gui_idle,
 };
 
 static struct radeon_asic r600_asic = {
@@ -552,6 +562,7 @@ static struct radeon_asic r600_asic = {
 	.hpd_sense = &r600_hpd_sense,
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
+	.gui_idle = &r600_gui_idle,
 };
 
 static struct radeon_asic rs780_asic = {
@@ -590,6 +601,7 @@ static struct radeon_asic rs780_asic = {
 	.hpd_sense = &r600_hpd_sense,
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
+	.gui_idle = &r600_gui_idle,
 };
 
 static struct radeon_asic rv770_asic = {
@@ -628,6 +640,7 @@ static struct radeon_asic rv770_asic = {
 	.hpd_sense = &r600_hpd_sense,
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
+	.gui_idle = &r600_gui_idle,
 };
 
 static struct radeon_asic evergreen_asic = {
@@ -664,6 +677,7 @@ static struct radeon_asic evergreen_asic = {
 	.hpd_fini = &evergreen_hpd_fini,
 	.hpd_sense = &evergreen_hpd_sense,
 	.hpd_set_polarity = &evergreen_hpd_set_polarity,
+	.gui_idle = &r600_gui_idle,
 };
 
 int radeon_asic_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index ef2c7ba1bdc..c74bf9bd26c 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -126,6 +126,7 @@ int r100_cs_packet_parse(struct radeon_cs_parser *p,
 void r100_enable_bm(struct radeon_device *rdev);
 void r100_set_common_regs(struct radeon_device *rdev);
 void r100_bm_disable(struct radeon_device *rdev);
+extern bool r100_gui_idle(struct radeon_device *rdev);
 /*
  * r200,rv250,rs300,rv280
  */
@@ -269,6 +270,7 @@ bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
 void r600_hpd_set_polarity(struct radeon_device *rdev,
 			   enum radeon_hpd_id hpd);
 extern void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo);
+extern bool r600_gui_idle(struct radeon_device *rdev);
 
 /*
  * rv770,rv730,rv710,rv740

From 2031f77ca9c17133869b265210418959a909d259 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 12:52:11 -0400
Subject: [PATCH 1934/3638] drm/radeon/kms: add support for gui idle interrupts
 (v4)

Useful for certain power management operations.  You
need to wait for the GUI engine (2D, 3D, CP, etc.) to be
idle before changing clocks or adjusting engine parameters.

(v2) Fix gui idle enable on pre-r6xx asics

(v3) The gui idle interrrupt status bit is permanently asserted
on pre-r6xx chips, but the interrrupt is still generated.
workaround it in the driver.

(v4) Add support for evergreen

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c      | 11 +++++++++++
 drivers/gpu/drm/radeon/r100.c           | 20 ++++++++++++++++++++
 drivers/gpu/drm/radeon/r600.c           | 11 +++++++++++
 drivers/gpu/drm/radeon/radeon.h         |  4 ++++
 drivers/gpu/drm/radeon/radeon_device.c  |  1 +
 drivers/gpu/drm/radeon/radeon_irq_kms.c |  2 ++
 drivers/gpu/drm/radeon/radeon_pm.c      |  1 +
 drivers/gpu/drm/radeon/radeon_reg.h     |  3 +++
 drivers/gpu/drm/radeon/rs600.c          | 22 +++++++++++++++++++++-
 9 files changed, 74 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index b3d168fb89e..0137a4cd90f 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1418,6 +1418,7 @@ int evergreen_irq_set(struct radeon_device *rdev)
 	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
 	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
 	u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
+	u32 grbm_int_cntl = 0;
 
 	if (!rdev->irq.installed) {
 		WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
@@ -1490,8 +1491,13 @@ int evergreen_irq_set(struct radeon_device *rdev)
 		DRM_DEBUG("evergreen_irq_set: hpd 6\n");
 		hpd6 |= DC_HPDx_INT_EN;
 	}
+	if (rdev->irq.gui_idle) {
+		DRM_DEBUG("gui idle\n");
+		grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
+	}
 
 	WREG32(CP_INT_CNTL, cp_int_cntl);
+	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
 
 	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
 	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
@@ -1853,6 +1859,11 @@ restart_ih:
 		case 181: /* CP EOP event */
 			DRM_DEBUG("IH: CP EOP\n");
 			break;
+		case 233: /* GUI IDLE */
+			DRM_DEBUG("IH: CP EOP\n");
+			rdev->pm.gui_idle = true;
+			wake_up(&rdev->irq.idle_queue);
+			break;
 		default:
 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
 			break;
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index e62116e222a..d35298684f3 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -262,6 +262,9 @@ int r100_irq_set(struct radeon_device *rdev)
 	if (rdev->irq.sw_int) {
 		tmp |= RADEON_SW_INT_ENABLE;
 	}
+	if (rdev->irq.gui_idle) {
+		tmp |= RADEON_GUI_IDLE_MASK;
+	}
 	if (rdev->irq.crtc_vblank_int[0]) {
 		tmp |= RADEON_CRTC_VBLANK_MASK;
 	}
@@ -296,6 +299,12 @@ static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
 		RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 		RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 
+	/* the interrupt works, but the status bit is permanently asserted */
+	if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
+		if (!rdev->irq.gui_idle_acked)
+			irq_mask |= RADEON_GUI_IDLE_STAT;
+	}
+
 	if (irqs) {
 		WREG32(RADEON_GEN_INT_STATUS, irqs);
 	}
@@ -307,6 +316,9 @@ int r100_irq_process(struct radeon_device *rdev)
 	uint32_t status, msi_rearm;
 	bool queue_hotplug = false;
 
+	/* reset gui idle ack.  the status bit is broken */
+	rdev->irq.gui_idle_acked = false;
+
 	status = r100_irq_ack(rdev);
 	if (!status) {
 		return IRQ_NONE;
@@ -319,6 +331,12 @@ int r100_irq_process(struct radeon_device *rdev)
 		if (status & RADEON_SW_INT_TEST) {
 			radeon_fence_process(rdev);
 		}
+		/* gui idle interrupt */
+		if (status & RADEON_GUI_IDLE_STAT) {
+			rdev->irq.gui_idle_acked = true;
+			rdev->pm.gui_idle = true;
+			wake_up(&rdev->irq.idle_queue);
+		}
 		/* Vertical blank interrupts */
 		if (status & RADEON_CRTC_VBLANK_STAT) {
 			drm_handle_vblank(rdev->ddev, 0);
@@ -340,6 +358,8 @@ int r100_irq_process(struct radeon_device *rdev)
 		}
 		status = r100_irq_ack(rdev);
 	}
+	/* reset gui idle ack.  the status bit is broken */
+	rdev->irq.gui_idle_acked = false;
 	if (queue_hotplug)
 		queue_work(rdev->wq, &rdev->hotplug_work);
 	if (rdev->msi_enabled) {
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 1c85dcb168a..094c29dd96e 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2535,6 +2535,7 @@ int r600_irq_set(struct radeon_device *rdev)
 	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
 	u32 mode_int = 0;
 	u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
+	u32 grbm_int_cntl = 0;
 	u32 hdmi1, hdmi2;
 
 	if (!rdev->irq.installed) {
@@ -2611,9 +2612,14 @@ int r600_irq_set(struct radeon_device *rdev)
 		DRM_DEBUG("r600_irq_set: hdmi 2\n");
 		hdmi2 |= R600_HDMI_INT_EN;
 	}
+	if (rdev->irq.gui_idle) {
+		DRM_DEBUG("gui idle\n");
+		grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
+	}
 
 	WREG32(CP_INT_CNTL, cp_int_cntl);
 	WREG32(DxMODE_INT_MASK, mode_int);
+	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
 	WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
 	if (ASIC_IS_DCE3(rdev)) {
 		WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2);
@@ -2929,6 +2935,11 @@ restart_ih:
 		case 181: /* CP EOP event */
 			DRM_DEBUG("IH: CP EOP\n");
 			break;
+		case 233: /* GUI IDLE */
+			DRM_DEBUG("IH: CP EOP\n");
+			rdev->pm.gui_idle = true;
+			wake_up(&rdev->irq.idle_queue);
+			break;
 		default:
 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
 			break;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index bb4a2a66f07..433937109af 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -376,6 +376,9 @@ struct radeon_irq {
 	wait_queue_head_t	vblank_queue;
 	/* FIXME: use defines for max hpd/dacs */
 	bool            hpd[6];
+	bool            gui_idle;
+	bool            gui_idle_acked;
+	wait_queue_head_t	idle_queue;
 	/* FIXME: use defines for max HDMI blocks */
 	bool		hdmi[2];
 	spinlock_t sw_lock;
@@ -694,6 +697,7 @@ struct radeon_pm {
 	int			active_crtcs;
 	int			req_vblank;
 	bool			vblank_sync;
+	bool			gui_idle;
 	fixed20_12		max_bandwidth;
 	fixed20_12		igp_sideport_mclk;
 	fixed20_12		igp_system_mclk;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 26217ffe035..53a2c27dd8f 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -602,6 +602,7 @@ int radeon_device_init(struct radeon_device *rdev,
 	rwlock_init(&rdev->fence_drv.lock);
 	INIT_LIST_HEAD(&rdev->gem.objects);
 	init_waitqueue_head(&rdev->irq.vblank_queue);
+	init_waitqueue_head(&rdev->irq.idle_queue);
 
 	/* setup workqueue */
 	rdev->wq = create_workqueue("radeon");
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 8fa40ed397e..059bfa4098d 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -68,6 +68,7 @@ void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
 
 	/* Disable *all* interrupts */
 	rdev->irq.sw_int = false;
+	rdev->irq.gui_idle = false;
 	for (i = 0; i < rdev->num_crtc; i++)
 		rdev->irq.crtc_vblank_int[i] = false;
 	for (i = 0; i < 6; i++)
@@ -97,6 +98,7 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
 	}
 	/* Disable *all* interrupts */
 	rdev->irq.sw_int = false;
+	rdev->irq.gui_idle = false;
 	for (i = 0; i < rdev->num_crtc; i++)
 		rdev->irq.crtc_vblank_int[i] = false;
 	for (i = 0; i < 6; i++)
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index a4b57493aa7..6dfeb9cf16b 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -27,6 +27,7 @@
 #define RADEON_IDLE_LOOP_MS 100
 #define RADEON_RECLOCK_DELAY_MS 200
 #define RADEON_WAIT_VBLANK_TIMEOUT 200
+#define RADEON_WAIT_IDLE_TIMEOUT 200
 
 static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
 static void radeon_pm_set_clocks_locked(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index eabbc9cf30a..74d1cbfa23a 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -995,6 +995,7 @@
 #	define RADEON_FP_DETECT_MASK		(1 << 4)
 #	define RADEON_CRTC2_VBLANK_MASK		(1 << 9)
 #	define RADEON_FP2_DETECT_MASK		(1 << 10)
+#	define RADEON_GUI_IDLE_MASK		(1 << 19)
 #	define RADEON_SW_INT_ENABLE		(1 << 25)
 #define RADEON_GEN_INT_STATUS               0x0044
 #	define AVIVO_DISPLAY_INT_STATUS		(1 << 0)
@@ -1006,6 +1007,8 @@
 #	define RADEON_CRTC2_VBLANK_STAT_ACK	(1 << 9)
 #	define RADEON_FP2_DETECT_STAT		(1 << 10)
 #	define RADEON_FP2_DETECT_STAT_ACK	(1 << 10)
+#	define RADEON_GUI_IDLE_STAT		(1 << 19)
+#	define RADEON_GUI_IDLE_STAT_ACK		(1 << 19)
 #	define RADEON_SW_INT_FIRE		(1 << 26)
 #	define RADEON_SW_INT_TEST		(1 << 25)
 #	define RADEON_SW_INT_TEST_ACK		(1 << 25)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 5e3f21861f4..b312b72d76c 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -382,6 +382,9 @@ int rs600_irq_set(struct radeon_device *rdev)
 	if (rdev->irq.sw_int) {
 		tmp |= S_000040_SW_INT_EN(1);
 	}
+	if (rdev->irq.gui_idle) {
+		tmp |= S_000040_GUI_IDLE(1);
+	}
 	if (rdev->irq.crtc_vblank_int[0]) {
 		mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
 	}
@@ -404,9 +407,15 @@ int rs600_irq_set(struct radeon_device *rdev)
 static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_int)
 {
 	uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
-	uint32_t irq_mask = ~C_000044_SW_INT;
+	uint32_t irq_mask = S_000044_SW_INT(1);
 	u32 tmp;
 
+	/* the interrupt works, but the status bit is permanently asserted */
+	if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
+		if (!rdev->irq.gui_idle_acked)
+			irq_mask |= S_000044_GUI_IDLE_STAT(1);
+	}
+
 	if (G_000044_DISPLAY_INT_STAT(irqs)) {
 		*r500_disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
 		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(*r500_disp_int)) {
@@ -454,6 +463,9 @@ int rs600_irq_process(struct radeon_device *rdev)
 	uint32_t r500_disp_int;
 	bool queue_hotplug = false;
 
+	/* reset gui idle ack.  the status bit is broken */
+	rdev->irq.gui_idle_acked = false;
+
 	status = rs600_irq_ack(rdev, &r500_disp_int);
 	if (!status && !r500_disp_int) {
 		return IRQ_NONE;
@@ -462,6 +474,12 @@ int rs600_irq_process(struct radeon_device *rdev)
 		/* SW interrupt */
 		if (G_000044_SW_INT(status))
 			radeon_fence_process(rdev);
+		/* GUI idle */
+		if (G_000040_GUI_IDLE(status)) {
+			rdev->irq.gui_idle_acked = true;
+			rdev->pm.gui_idle = true;
+			wake_up(&rdev->irq.idle_queue);
+		}
 		/* Vertical blank interrupts */
 		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int)) {
 			drm_handle_vblank(rdev->ddev, 0);
@@ -483,6 +501,8 @@ int rs600_irq_process(struct radeon_device *rdev)
 		}
 		status = rs600_irq_ack(rdev, &r500_disp_int);
 	}
+	/* reset gui idle ack.  the status bit is broken */
+	rdev->irq.gui_idle_acked = false;
 	if (queue_hotplug)
 		queue_work(rdev->wq, &rdev->hotplug_work);
 	if (rdev->msi_enabled) {

From ef6e6cf56aca91c0b0db8de6e79e0874595fd260 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 17 Mar 2010 14:29:15 -0400
Subject: [PATCH 1935/3638] drm/radeon/kms: wait for gpu idle before changing
 power mode
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

set proper wait condition as noted by Rafał Miłecki.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 6dfeb9cf16b..4ece89aa26f 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -378,6 +378,16 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
 	radeon_get_power_state(rdev, rdev->pm.planned_action);
 	mutex_lock(&rdev->cp.mutex);
 
+	/* wait for GPU idle */
+	rdev->pm.gui_idle = false;
+	rdev->irq.gui_idle = true;
+	radeon_irq_set(rdev);
+	wait_event_interruptible_timeout(
+		rdev->irq.idle_queue, rdev->pm.gui_idle,
+		msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
+	rdev->irq.gui_idle = false;
+	radeon_irq_set(rdev);
+
 	if (rdev->pm.active_crtcs & (1 << 0)) {
 		rdev->pm.req_vblank |= (1 << 0);
 		drm_vblank_get(rdev->ddev, 0);

From 02b17cc05372ab58e9638008d0206f1c1ee0cf5c Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 13:25:06 -0400
Subject: [PATCH 1936/3638] drm/radeon/kms/atom/pm: rework power mode parsing

On pre-r6xx, the power mode array is usually ordered:
low
...
high
default

On r6xx+:
default
low
...
high

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 031a96ceb0f..aa0a973a8af 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1506,6 +1506,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 			num_modes = power_info->info.ucNumOfPowerModeEntries;
 			if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
 				num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
+			/* last mode is usually default, array is low to high */
 			for (i = 0; i < num_modes; i++) {
 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
 				switch (frev) {
@@ -1711,6 +1712,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					break;
 				}
 			}
+			/* last mode is usually default */
+			if (!rdev->pm.default_power_state) {
+				rdev->pm.power_state[state_index - 1].type =
+					POWER_STATE_TYPE_DEFAULT;
+				rdev->pm.default_power_state = &rdev->pm.power_state[state_index - 1];
+				rdev->pm.power_state[state_index - 1].default_clock_mode =
+					&rdev->pm.power_state[state_index - 1].clock_info[0];
+			}
 		} else {
 			/* add the i2c bus for thermal/fan chip */
 			/* no support for internal controller yet */
@@ -1736,6 +1745,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
 				}
 			}
+			/* first mode is usually default, followed by low to high */
 			for (i = 0; i < power_info->info_4.ucNumStates; i++) {
 				mode_index = 0;
 				power_state = (struct _ATOM_PPLIB_STATE *)
@@ -1865,12 +1875,16 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					state_index++;
 				}
 			}
+			/* first mode is usually default */
+			if (!rdev->pm.default_power_state) {
+				rdev->pm.power_state[0].type =
+					POWER_STATE_TYPE_DEFAULT;
+				rdev->pm.default_power_state = &rdev->pm.power_state[0];
+				rdev->pm.power_state[0].default_clock_mode =
+					&rdev->pm.power_state[0].clock_info[0];
+			}
 		}
 	} else {
-		/* XXX figure out some good default low power mode for cards w/out power tables */
-	}
-
-	if (rdev->pm.default_power_state == NULL) {
 		/* add the default mode */
 		rdev->pm.power_state[state_index].type =
 			POWER_STATE_TYPE_DEFAULT;
@@ -1887,6 +1901,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 		rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
 		state_index++;
 	}
+
 	rdev->pm.num_power_states = state_index;
 
 	rdev->pm.current_power_state = rdev->pm.default_power_state;

From 8a56df632e524a1c444c56bb7ce9fe8d94e639e0 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 15 Mar 2010 17:09:05 -0400
Subject: [PATCH 1937/3638] drm/radeon/kms/pm: interate across crtcs for vblank

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 4ece89aa26f..ff3abd8c896 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -375,6 +375,8 @@ static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)
 
 static void radeon_pm_set_clocks(struct radeon_device *rdev)
 {
+	int i;
+
 	radeon_get_power_state(rdev, rdev->pm.planned_action);
 	mutex_lock(&rdev->cp.mutex);
 
@@ -388,22 +390,18 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
 	rdev->irq.gui_idle = false;
 	radeon_irq_set(rdev);
 
-	if (rdev->pm.active_crtcs & (1 << 0)) {
-		rdev->pm.req_vblank |= (1 << 0);
-		drm_vblank_get(rdev->ddev, 0);
-	}
-	if (rdev->pm.active_crtcs & (1 << 1)) {
-		rdev->pm.req_vblank |= (1 << 1);
-		drm_vblank_get(rdev->ddev, 1);
+	for (i = 0; i < rdev->num_crtc; i++) {
+		if (rdev->pm.active_crtcs & (1 << i)) {
+			rdev->pm.req_vblank |= (1 << i);
+			drm_vblank_get(rdev->ddev, i);
+		}
 	}
 	radeon_pm_set_clocks_locked(rdev);
-	if (rdev->pm.req_vblank & (1 << 0)) {
-		rdev->pm.req_vblank &= ~(1 << 0);
-		drm_vblank_put(rdev->ddev, 0);
-	}
-	if (rdev->pm.req_vblank & (1 << 1)) {
-		rdev->pm.req_vblank &= ~(1 << 1);
-		drm_vblank_put(rdev->ddev, 1);
+	for (i = 0; i < rdev->num_crtc; i++) {
+		if (rdev->pm.req_vblank & (1 << i)) {
+			rdev->pm.req_vblank &= ~(1 << i);
+			drm_vblank_put(rdev->ddev, i);
+		}
 	}
 
 	mutex_unlock(&rdev->cp.mutex);

From 03214bd5c6e59c83703238227254deef8810513d Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 16 Mar 2010 17:42:46 -0400
Subject: [PATCH 1938/3638] drm/radeon/kms/pm: move pm state update to crtc
 functions

crtcs are what we ultimately care about wrt to pm.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c          |  9 +++++++++
 drivers/gpu/drm/radeon/radeon_encoders.c        |  5 -----
 drivers/gpu/drm/radeon/radeon_legacy_crtc.c     |  9 +++++++++
 drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 15 ---------------
 4 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 3feca6aec4c..12fb12a2bba 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -262,6 +262,9 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 		atombios_enable_crtc(crtc, ATOM_DISABLE);
 		break;
 	}
+
+	/* adjust pm to dpms change */
+	radeon_pm_compute_clocks(rdev);
 }
 
 static void
@@ -1156,6 +1159,12 @@ static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
 				     struct drm_display_mode *mode,
 				     struct drm_display_mode *adjusted_mode)
 {
+	struct drm_device *dev = crtc->dev;
+	struct radeon_device *rdev = dev->dev_private;
+
+	/* adjust pm to upcoming mode change */
+	radeon_pm_compute_clocks(rdev);
+
 	if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
 		return false;
 	return true;
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 1ec292ef11b..b5dff14ea8c 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -262,9 +262,6 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 
-	/* adjust pm to upcoming mode change */
-	radeon_pm_compute_clocks(rdev);
-
 	/* set the active encoder to connector routing */
 	radeon_encoder_set_active_device(encoder);
 	drm_mode_set_crtcinfo(adjusted_mode, 0);
@@ -1074,8 +1071,6 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
 	}
 	radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 
-	/* adjust pm to dpms change */
-	radeon_pm_compute_clocks(rdev);
 }
 
 union crtc_source_param {
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 88865e38fe3..60c0dcb8e11 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -337,6 +337,9 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 		}
 		break;
 	}
+
+	/* adjust pm to dpms change */
+	radeon_pm_compute_clocks(rdev);
 }
 
 int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
@@ -966,6 +969,12 @@ static bool radeon_crtc_mode_fixup(struct drm_crtc *crtc,
 				   struct drm_display_mode *mode,
 				   struct drm_display_mode *adjusted_mode)
 {
+	struct drm_device *dev = crtc->dev;
+	struct radeon_device *rdev = dev->dev_private;
+
+	/* adjust pm to upcoming mode change */
+	radeon_pm_compute_clocks(rdev);
+
 	if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
 		return false;
 	return true;
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 2441cca7d77..341df86a253 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -116,8 +116,6 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 
-	/* adjust pm to dpms change */
-	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_lvds_prepare(struct drm_encoder *encoder)
@@ -217,11 +215,6 @@ static bool radeon_legacy_mode_fixup(struct drm_encoder *encoder,
 				     struct drm_display_mode *adjusted_mode)
 {
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	struct drm_device *dev = encoder->dev;
-	struct radeon_device *rdev = dev->dev_private;
-
-	/* adjust pm to upcoming mode change */
-	radeon_pm_compute_clocks(rdev);
 
 	/* set the active encoder to connector routing */
 	radeon_encoder_set_active_device(encoder);
@@ -294,8 +287,6 @@ static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 
-	/* adjust pm to dpms change */
-	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder)
@@ -482,8 +473,6 @@ static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode)
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 
-	/* adjust pm to dpms change */
-	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder)
@@ -650,8 +639,6 @@ static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode)
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 
-	/* adjust pm to dpms change */
-	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder)
@@ -860,8 +847,6 @@ static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 
-	/* adjust pm to dpms change */
-	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder)

From bae6b5627387a950a8faf366d6027bd0a7a93078 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 13:38:05 -0400
Subject: [PATCH 1939/3638] drm/radeon/kms/pm: add asic specific callbacks for
 setting power state (v2)

(v2) Add evergreen vbl checks

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen_reg.h |   1 +
 drivers/gpu/drm/radeon/r100.c          |  37 +++++++++
 drivers/gpu/drm/radeon/r600.c          |  37 +++++++++
 drivers/gpu/drm/radeon/radeon.h        |   4 +
 drivers/gpu/drm/radeon/radeon_asic.c   |  14 ++++
 drivers/gpu/drm/radeon/radeon_asic.h   |   3 +
 drivers/gpu/drm/radeon/radeon_pm.c     | 100 +++++++++++++------------
 drivers/gpu/drm/radeon/radeon_reg.h    |   1 -
 8 files changed, 148 insertions(+), 49 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index f7c7c964343..9dba6d97d9b 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -166,6 +166,7 @@
 /* CRTC blocks at 0x6df0, 0x79f0, 0x105f0, 0x111f0, 0x11df0, 0x129f0 */
 #define EVERGREEN_CRTC_CONTROL                          0x6e70
 #       define EVERGREEN_CRTC_MASTER_EN                 (1 << 0)
+#define EVERGREEN_CRTC_STATUS                           0x6e8c
 #define EVERGREEN_CRTC_UPDATE_LOCK                      0x6ed4
 
 #define EVERGREEN_DC_GPIO_HPD_MASK                      0x64b0
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index d35298684f3..b076b96f8b6 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -67,6 +67,43 @@ MODULE_FIRMWARE(FIRMWARE_R520);
  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  */
 
+void r100_set_power_state(struct radeon_device *rdev)
+{
+	/* if *_clock_mode are the same, *_power_state are as well */
+	if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
+		return;
+
+	DRM_INFO("Setting: e: %d m: %d p: %d\n",
+		 rdev->pm.requested_clock_mode->sclk,
+		 rdev->pm.requested_clock_mode->mclk,
+		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
+
+	/* set pcie lanes */
+	/* TODO */
+
+	/* set voltage */
+	/* TODO */
+
+	/* set engine clock */
+	radeon_sync_with_vblank(rdev);
+	radeon_pm_debug_check_in_vbl(rdev, false);
+	radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
+	radeon_pm_debug_check_in_vbl(rdev, true);
+
+#if 0
+	/* set memory clock */
+	if (rdev->asic->set_memory_clock) {
+		radeon_sync_with_vblank(rdev);
+		radeon_pm_debug_check_in_vbl(rdev, false);
+		radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
+		radeon_pm_debug_check_in_vbl(rdev, true);
+	}
+#endif
+
+	rdev->pm.current_power_state = rdev->pm.requested_power_state;
+	rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
+}
+
 bool r100_gui_idle(struct radeon_device *rdev)
 {
 	if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 094c29dd96e..c2d1946535a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -92,6 +92,43 @@ void r600_gpu_init(struct radeon_device *rdev);
 void r600_fini(struct radeon_device *rdev);
 void r600_irq_disable(struct radeon_device *rdev);
 
+void r600_set_power_state(struct radeon_device *rdev)
+{
+	/* if *_clock_mode are the same, *_power_state are as well */
+	if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
+		return;
+
+	DRM_INFO("Setting: e: %d m: %d p: %d\n",
+		 rdev->pm.requested_clock_mode->sclk,
+		 rdev->pm.requested_clock_mode->mclk,
+		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
+
+	/* set pcie lanes */
+	/* TODO */
+
+	/* set voltage */
+	/* TODO */
+
+	/* set engine clock */
+	radeon_sync_with_vblank(rdev);
+	radeon_pm_debug_check_in_vbl(rdev, false);
+	radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
+	radeon_pm_debug_check_in_vbl(rdev, true);
+
+#if 0
+	/* set memory clock */
+	if (rdev->asic->set_memory_clock) {
+		radeon_sync_with_vblank(rdev);
+		radeon_pm_debug_check_in_vbl(rdev, false);
+		radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
+		radeon_pm_debug_check_in_vbl(rdev, true);
+	}
+#endif
+
+	rdev->pm.current_power_state = rdev->pm.requested_power_state;
+	rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
+}
+
 bool r600_gui_idle(struct radeon_device *rdev)
 {
 	if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 433937109af..11fe1d1444c 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -175,6 +175,8 @@ void radeon_pm_fini(struct radeon_device *rdev);
 void radeon_pm_compute_clocks(struct radeon_device *rdev);
 void radeon_combios_get_power_modes(struct radeon_device *rdev);
 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
+bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
+void radeon_sync_with_vblank(struct radeon_device *rdev);
 
 /*
  * Fences.
@@ -808,6 +810,7 @@ struct radeon_asic {
 	 */
 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
 	bool (*gui_idle)(struct radeon_device *rdev);
+	void (*set_power_state)(struct radeon_device *rdev);
 };
 
 /*
@@ -1215,6 +1218,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
 #define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
+#define radeon_set_power_state(rdev) (rdev)->asic->set_power_state((rdev))
 
 /* Common functions */
 /* AGP */
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 42708462fd4..48893fbb658 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -166,6 +166,7 @@ static struct radeon_asic r100_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic r200_asic = {
@@ -205,6 +206,7 @@ static struct radeon_asic r200_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic r300_asic = {
@@ -245,6 +247,7 @@ static struct radeon_asic r300_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic r300_asic_pcie = {
@@ -284,6 +287,7 @@ static struct radeon_asic r300_asic_pcie = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic r420_asic = {
@@ -324,6 +328,7 @@ static struct radeon_asic r420_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic rs400_asic = {
@@ -364,6 +369,7 @@ static struct radeon_asic rs400_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic rs600_asic = {
@@ -404,6 +410,7 @@ static struct radeon_asic rs600_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic rs690_asic = {
@@ -444,6 +451,7 @@ static struct radeon_asic rs690_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic rv515_asic = {
@@ -484,6 +492,7 @@ static struct radeon_asic rv515_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic r520_asic = {
@@ -524,6 +533,7 @@ static struct radeon_asic r520_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.set_power_state = &r100_set_power_state,
 };
 
 static struct radeon_asic r600_asic = {
@@ -563,6 +573,7 @@ static struct radeon_asic r600_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
+	.set_power_state = &r600_set_power_state,
 };
 
 static struct radeon_asic rs780_asic = {
@@ -602,6 +613,7 @@ static struct radeon_asic rs780_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
+	.set_power_state = &r600_set_power_state,
 };
 
 static struct radeon_asic rv770_asic = {
@@ -641,6 +653,7 @@ static struct radeon_asic rv770_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
+	.set_power_state = &r600_set_power_state,
 };
 
 static struct radeon_asic evergreen_asic = {
@@ -678,6 +691,7 @@ static struct radeon_asic evergreen_asic = {
 	.hpd_sense = &evergreen_hpd_sense,
 	.hpd_set_polarity = &evergreen_hpd_set_polarity,
 	.gui_idle = &r600_gui_idle,
+	.set_power_state = &r600_set_power_state,
 };
 
 int radeon_asic_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index c74bf9bd26c..90d8e6dee52 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -127,6 +127,8 @@ void r100_enable_bm(struct radeon_device *rdev);
 void r100_set_common_regs(struct radeon_device *rdev);
 void r100_bm_disable(struct radeon_device *rdev);
 extern bool r100_gui_idle(struct radeon_device *rdev);
+extern void r100_set_power_state(struct radeon_device *rdev);
+
 /*
  * r200,rv250,rs300,rv280
  */
@@ -271,6 +273,7 @@ void r600_hpd_set_polarity(struct radeon_device *rdev,
 			   enum radeon_hpd_id hpd);
 extern void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo);
 extern bool r600_gui_idle(struct radeon_device *rdev);
+extern void r600_set_power_state(struct radeon_device *rdev);
 
 /*
  * rv770,rv730,rv710,rv740
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index ff3abd8c896..129956d003a 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -29,7 +29,6 @@
 #define RADEON_WAIT_VBLANK_TIMEOUT 200
 #define RADEON_WAIT_IDLE_TIMEOUT 200
 
-static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
 static void radeon_pm_set_clocks_locked(struct radeon_device *rdev);
 static void radeon_pm_set_clocks(struct radeon_device *rdev);
 static void radeon_pm_idle_work_handler(struct work_struct *work);
@@ -181,7 +180,7 @@ static void radeon_get_power_state(struct radeon_device *rdev,
 		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
 }
 
-static inline void radeon_sync_with_vblank(struct radeon_device *rdev)
+void radeon_sync_with_vblank(struct radeon_device *rdev)
 {
 	if (rdev->pm.active_crtcs) {
 		rdev->pm.vblank_sync = false;
@@ -191,43 +190,6 @@ static inline void radeon_sync_with_vblank(struct radeon_device *rdev)
 	}
 }
 
-static void radeon_set_power_state(struct radeon_device *rdev)
-{
-	/* if *_clock_mode are the same, *_power_state are as well */
-	if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
-		return;
-
-	DRM_INFO("Setting: e: %d m: %d p: %d\n",
-		 rdev->pm.requested_clock_mode->sclk,
-		 rdev->pm.requested_clock_mode->mclk,
-		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
-
-	/* set pcie lanes */
-	/* TODO */
-
-	/* set voltage */
-	/* TODO */
-
-	/* set engine clock */
-	radeon_sync_with_vblank(rdev);
-	radeon_pm_debug_check_in_vbl(rdev, false);
-	radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
-	radeon_pm_debug_check_in_vbl(rdev, true);
-
-#if 0
-	/* set memory clock */
-	if (rdev->asic->set_memory_clock) {
-		radeon_sync_with_vblank(rdev);
-		radeon_pm_debug_check_in_vbl(rdev, false);
-		radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
-		radeon_pm_debug_check_in_vbl(rdev, true);
-	}
-#endif
-
-	rdev->pm.current_power_state = rdev->pm.requested_power_state;
-	rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
-}
-
 int radeon_pm_init(struct radeon_device *rdev)
 {
 	rdev->pm.state = PM_STATE_DISABLED;
@@ -330,26 +292,68 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	mutex_unlock(&rdev->pm.mutex);
 }
 
-static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
+bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
 {
-	u32 stat_crtc1 = 0, stat_crtc2 = 0;
+	u32 stat_crtc = 0;
 	bool in_vbl = true;
 
-	if (ASIC_IS_AVIVO(rdev)) {
+	if (ASIC_IS_DCE4(rdev)) {
 		if (rdev->pm.active_crtcs & (1 << 0)) {
-			stat_crtc1 = RREG32(D1CRTC_STATUS);
-			if (!(stat_crtc1 & 1))
+			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
+			if (!(stat_crtc & 1))
 				in_vbl = false;
 		}
 		if (rdev->pm.active_crtcs & (1 << 1)) {
-			stat_crtc2 = RREG32(D2CRTC_STATUS);
-			if (!(stat_crtc2 & 1))
+			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
+			if (!(stat_crtc & 1))
+				in_vbl = false;
+		}
+		if (rdev->pm.active_crtcs & (1 << 2)) {
+			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
+			if (!(stat_crtc & 1))
+				in_vbl = false;
+		}
+		if (rdev->pm.active_crtcs & (1 << 3)) {
+			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
+			if (!(stat_crtc & 1))
+				in_vbl = false;
+		}
+		if (rdev->pm.active_crtcs & (1 << 4)) {
+			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
+			if (!(stat_crtc & 1))
+				in_vbl = false;
+		}
+		if (rdev->pm.active_crtcs & (1 << 5)) {
+			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
+			if (!(stat_crtc & 1))
+				in_vbl = false;
+		}
+	} else if (ASIC_IS_AVIVO(rdev)) {
+		if (rdev->pm.active_crtcs & (1 << 0)) {
+			stat_crtc = RREG32(D1CRTC_STATUS);
+			if (!(stat_crtc & 1))
+				in_vbl = false;
+		}
+		if (rdev->pm.active_crtcs & (1 << 1)) {
+			stat_crtc = RREG32(D2CRTC_STATUS);
+			if (!(stat_crtc & 1))
+				in_vbl = false;
+		}
+	} else {
+		if (rdev->pm.active_crtcs & (1 << 0)) {
+			stat_crtc = RREG32(RADEON_CRTC_STATUS);
+			if (!(stat_crtc & 1))
+				in_vbl = false;
+		}
+		if (rdev->pm.active_crtcs & (1 << 1)) {
+			stat_crtc = RREG32(RADEON_CRTC2_STATUS);
+			if (!(stat_crtc & 1))
 				in_vbl = false;
 		}
 	}
 	if (in_vbl == false)
-		DRM_INFO("not in vbl for pm change %08x %08x at %s\n", stat_crtc1,
-			 stat_crtc2, finish ? "exit" : "entry");
+		DRM_INFO("not in vbl for pm change %08x at %s\n", stat_crtc,
+			 finish ? "exit" : "entry");
 	return in_vbl;
 }
 static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index 74d1cbfa23a..c332f46340d 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -553,7 +553,6 @@
 #       define RADEON_CRTC_CRNT_VLINE_MASK  (0x7ff << 16)
 #define RADEON_CRTC2_CRNT_FRAME             0x0314
 #define RADEON_CRTC2_GUI_TRIG_VLINE         0x0318
-#define RADEON_CRTC2_STATUS                 0x03fc
 #define RADEON_CRTC2_VLINE_CRNT_VLINE       0x0310
 #define RADEON_CRTC8_DATA                   0x03d5 /* VGA, 0x3b5 */
 #define RADEON_CRTC8_IDX                    0x03d4 /* VGA, 0x3b4 */

From a48b9b4edb8bb87deb13b9f088a595cf71457b69 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 14:03:55 -0400
Subject: [PATCH 1940/3638] drm/radeon/kms/pm: add asic specific callbacks for
 getting power state (v2)

This also simplifies the code and enables reclocking with multiple heads
active by tracking whether the power states are single or multi-head
capable.

Eventually, we will want to select a power state based on external
factors (AC/DC state, user selection, etc.).

(v2) Update for evergreen

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c      |   2 +
 drivers/gpu/drm/radeon/r100.c               | 140 ++++++++++---
 drivers/gpu/drm/radeon/r600.c               | 213 +++++++++++++++++---
 drivers/gpu/drm/radeon/radeon.h             |  25 ++-
 drivers/gpu/drm/radeon/radeon_asic.c        |  14 ++
 drivers/gpu/drm/radeon/radeon_asic.h        |   4 +
 drivers/gpu/drm/radeon/radeon_atombios.c    |  91 ++++-----
 drivers/gpu/drm/radeon/radeon_combios.c     |  11 +-
 drivers/gpu/drm/radeon/radeon_legacy_crtc.c |   2 +
 drivers/gpu/drm/radeon/radeon_pm.c          | 153 ++------------
 10 files changed, 411 insertions(+), 244 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 12fb12a2bba..b11aa37ed6d 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -251,6 +251,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 		atombios_blank_crtc(crtc, ATOM_DISABLE);
 		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 		radeon_crtc_load_lut(crtc);
+		radeon_crtc->enabled = true;
 		break;
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
@@ -260,6 +261,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 		if (ASIC_IS_DCE3(rdev))
 			atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
 		atombios_enable_crtc(crtc, ATOM_DISABLE);
+		radeon_crtc->enabled = false;
 		break;
 	}
 
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index b076b96f8b6..a6b2aca36b4 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -67,41 +67,133 @@ MODULE_FIRMWARE(FIRMWARE_R520);
  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  */
 
+void r100_get_power_state(struct radeon_device *rdev,
+			  enum radeon_pm_action action)
+{
+	int i;
+	rdev->pm.can_upclock = true;
+	rdev->pm.can_downclock = true;
+
+	switch (action) {
+	case PM_ACTION_MINIMUM:
+		rdev->pm.requested_power_state_index = 0;
+		rdev->pm.can_downclock = false;
+		break;
+	case PM_ACTION_DOWNCLOCK:
+		if (rdev->pm.current_power_state_index == 0) {
+			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+			rdev->pm.can_downclock = false;
+		} else {
+			if (rdev->pm.active_crtc_count > 1) {
+				for (i = 0; i < rdev->pm.num_power_states; i++) {
+					if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+						continue;
+					else if (i >= rdev->pm.current_power_state_index) {
+						rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+						break;
+					} else {
+						rdev->pm.requested_power_state_index = i;
+						break;
+					}
+				}
+			} else
+				rdev->pm.requested_power_state_index =
+					rdev->pm.current_power_state_index - 1;
+		}
+		break;
+	case PM_ACTION_UPCLOCK:
+		if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
+			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+			rdev->pm.can_upclock = false;
+		} else {
+			if (rdev->pm.active_crtc_count > 1) {
+				for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
+					if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+						continue;
+					else if (i <= rdev->pm.current_power_state_index) {
+						rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+						break;
+					} else {
+						rdev->pm.requested_power_state_index = i;
+						break;
+					}
+				}
+			} else
+				rdev->pm.requested_power_state_index =
+					rdev->pm.current_power_state_index + 1;
+		}
+		break;
+	case PM_ACTION_NONE:
+	default:
+		DRM_ERROR("Requested mode for not defined action\n");
+		return;
+	}
+	/* only one clock mode per power state */
+	rdev->pm.requested_clock_mode_index = 0;
+
+	DRM_INFO("Requested: e: %d m: %d p: %d\n",
+		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		 clock_info[rdev->pm.requested_clock_mode_index].sclk,
+		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		 clock_info[rdev->pm.requested_clock_mode_index].mclk,
+		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		 non_clock_info.pcie_lanes);
+}
+
 void r100_set_power_state(struct radeon_device *rdev)
 {
-	/* if *_clock_mode are the same, *_power_state are as well */
-	if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
+	u32 sclk, mclk;
+
+	if (rdev->pm.current_power_state_index == rdev->pm.requested_power_state_index)
 		return;
 
-	DRM_INFO("Setting: e: %d m: %d p: %d\n",
-		 rdev->pm.requested_clock_mode->sclk,
-		 rdev->pm.requested_clock_mode->mclk,
-		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
+	if (radeon_gui_idle(rdev)) {
 
-	/* set pcie lanes */
-	/* TODO */
+		sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+			clock_info[rdev->pm.requested_clock_mode_index].sclk;
+		if (sclk > rdev->clock.default_sclk)
+			sclk = rdev->clock.default_sclk;
 
-	/* set voltage */
-	/* TODO */
+		mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+			clock_info[rdev->pm.requested_clock_mode_index].mclk;
+		if (mclk > rdev->clock.default_mclk)
+			mclk = rdev->clock.default_mclk;
+		/* don't change the mclk with multiple crtcs */
+		if (rdev->pm.active_crtc_count > 1)
+			mclk = rdev->clock.default_mclk;
 
-	/* set engine clock */
-	radeon_sync_with_vblank(rdev);
-	radeon_pm_debug_check_in_vbl(rdev, false);
-	radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
-	radeon_pm_debug_check_in_vbl(rdev, true);
+		/* set pcie lanes */
+		/* TODO */
+
+		/* set voltage */
+		/* TODO */
+
+		/* set engine clock */
+		if (sclk != rdev->pm.current_sclk) {
+			radeon_sync_with_vblank(rdev);
+			radeon_pm_debug_check_in_vbl(rdev, false);
+			radeon_set_engine_clock(rdev, sclk);
+			radeon_pm_debug_check_in_vbl(rdev, true);
+			rdev->pm.current_sclk = sclk;
+			DRM_INFO("Setting: e: %d\n", sclk);
+		}
 
 #if 0
-	/* set memory clock */
-	if (rdev->asic->set_memory_clock) {
-		radeon_sync_with_vblank(rdev);
-		radeon_pm_debug_check_in_vbl(rdev, false);
-		radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
-		radeon_pm_debug_check_in_vbl(rdev, true);
-	}
+		/* set memory clock */
+		if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+			radeon_sync_with_vblank(rdev);
+			radeon_pm_debug_check_in_vbl(rdev, false);
+			radeon_set_memory_clock(rdev, mclk);
+			radeon_pm_debug_check_in_vbl(rdev, true);
+			rdev->pm.current_mclk = mclk;
+			DRM_INFO("Setting: m: %d\n", mclk);
+		}
 #endif
 
-	rdev->pm.current_power_state = rdev->pm.requested_power_state;
-	rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
+		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
+		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
+	} else
+		DRM_INFO("GUI not idle!!!\n");
 }
 
 bool r100_gui_idle(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index c2d1946535a..cc2797949ee 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -92,41 +92,206 @@ void r600_gpu_init(struct radeon_device *rdev);
 void r600_fini(struct radeon_device *rdev);
 void r600_irq_disable(struct radeon_device *rdev);
 
+void r600_get_power_state(struct radeon_device *rdev,
+			  enum radeon_pm_action action)
+{
+	int i;
+
+	rdev->pm.can_upclock = true;
+	rdev->pm.can_downclock = true;
+
+	/* power state array is low to high, default is first */
+	if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
+		int min_power_state_index = 0;
+
+		if (rdev->pm.num_power_states > 2)
+			min_power_state_index = 1;
+
+		switch (action) {
+		case PM_ACTION_MINIMUM:
+			rdev->pm.requested_power_state_index = min_power_state_index;
+			rdev->pm.requested_clock_mode_index = 0;
+			rdev->pm.can_downclock = false;
+			break;
+		case PM_ACTION_DOWNCLOCK:
+			if (rdev->pm.current_power_state_index == min_power_state_index) {
+				rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+				rdev->pm.can_downclock = false;
+			} else {
+				if (rdev->pm.active_crtc_count > 1) {
+					for (i = 0; i < rdev->pm.num_power_states; i++) {
+						if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+							continue;
+						else if (i >= rdev->pm.current_power_state_index) {
+							rdev->pm.requested_power_state_index =
+								rdev->pm.current_power_state_index;
+							break;
+						} else {
+							rdev->pm.requested_power_state_index = i;
+							break;
+						}
+					}
+				} else
+					rdev->pm.requested_power_state_index =
+						rdev->pm.current_power_state_index - 1;
+			}
+			rdev->pm.requested_clock_mode_index = 0;
+			break;
+		case PM_ACTION_UPCLOCK:
+			if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
+				rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+				rdev->pm.can_upclock = false;
+			} else {
+				if (rdev->pm.active_crtc_count > 1) {
+					for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
+						if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+							continue;
+						else if (i <= rdev->pm.current_power_state_index) {
+							rdev->pm.requested_power_state_index =
+								rdev->pm.current_power_state_index;
+							break;
+						} else {
+							rdev->pm.requested_power_state_index = i;
+							break;
+						}
+					}
+				} else
+					rdev->pm.requested_power_state_index =
+						rdev->pm.current_power_state_index + 1;
+			}
+			rdev->pm.requested_clock_mode_index = 0;
+			break;
+		case PM_ACTION_NONE:
+		default:
+			DRM_ERROR("Requested mode for not defined action\n");
+			return;
+		}
+	} else {
+		/* XXX select a power state based on AC/DC, single/dualhead, etc. */
+		/* for now just select the first power state and switch between clock modes */
+		/* power state array is low to high, default is first (0) */
+		if (rdev->pm.active_crtc_count > 1) {
+			rdev->pm.requested_power_state_index = -1;
+			/* start at 1 as we don't want the default mode */
+			for (i = 1; i < rdev->pm.num_power_states; i++) {
+				if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+					continue;
+				else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
+					 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
+					rdev->pm.requested_power_state_index = i;
+					break;
+				}
+			}
+			/* if nothing selected, grab the default state. */
+			if (rdev->pm.requested_power_state_index == -1)
+				rdev->pm.requested_power_state_index = 0;
+		} else
+			rdev->pm.requested_power_state_index = 1;
+
+		switch (action) {
+		case PM_ACTION_MINIMUM:
+			rdev->pm.requested_clock_mode_index = 0;
+			rdev->pm.can_downclock = false;
+			break;
+		case PM_ACTION_DOWNCLOCK:
+			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
+				if (rdev->pm.current_clock_mode_index == 0) {
+					rdev->pm.requested_clock_mode_index = 0;
+					rdev->pm.can_downclock = false;
+				} else
+					rdev->pm.requested_clock_mode_index =
+						rdev->pm.current_clock_mode_index - 1;
+			} else {
+				rdev->pm.requested_clock_mode_index = 0;
+				rdev->pm.can_downclock = false;
+			}
+			break;
+		case PM_ACTION_UPCLOCK:
+			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
+				if (rdev->pm.current_clock_mode_index ==
+				    (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
+					rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
+					rdev->pm.can_upclock = false;
+				} else
+					rdev->pm.requested_clock_mode_index =
+						rdev->pm.current_clock_mode_index + 1;
+			} else {
+				rdev->pm.requested_clock_mode_index =
+					rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
+				rdev->pm.can_upclock = false;
+			}
+			break;
+		case PM_ACTION_NONE:
+		default:
+			DRM_ERROR("Requested mode for not defined action\n");
+			return;
+		}
+	}
+
+	DRM_INFO("Requested: e: %d m: %d p: %d\n",
+		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		 clock_info[rdev->pm.requested_clock_mode_index].sclk,
+		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		 clock_info[rdev->pm.requested_clock_mode_index].mclk,
+		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		 non_clock_info.pcie_lanes);
+}
+
 void r600_set_power_state(struct radeon_device *rdev)
 {
-	/* if *_clock_mode are the same, *_power_state are as well */
-	if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
+	u32 sclk, mclk;
+
+	if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) &&
+	    (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index))
 		return;
 
-	DRM_INFO("Setting: e: %d m: %d p: %d\n",
-		 rdev->pm.requested_clock_mode->sclk,
-		 rdev->pm.requested_clock_mode->mclk,
-		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
+	if (radeon_gui_idle(rdev)) {
 
-	/* set pcie lanes */
-	/* TODO */
+		sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+			clock_info[rdev->pm.requested_clock_mode_index].sclk;
+		if (sclk > rdev->clock.default_sclk)
+			sclk = rdev->clock.default_sclk;
 
-	/* set voltage */
-	/* TODO */
+		mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+			clock_info[rdev->pm.requested_clock_mode_index].mclk;
+		if (mclk > rdev->clock.default_mclk)
+			mclk = rdev->clock.default_mclk;
+		/* don't change the mclk with multiple crtcs */
+		if (rdev->pm.active_crtc_count > 1)
+			mclk = rdev->clock.default_mclk;
 
-	/* set engine clock */
-	radeon_sync_with_vblank(rdev);
-	radeon_pm_debug_check_in_vbl(rdev, false);
-	radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
-	radeon_pm_debug_check_in_vbl(rdev, true);
+		/* set pcie lanes */
+		/* TODO */
+
+		/* set voltage */
+		/* TODO */
+
+		/* set engine clock */
+		if (sclk != rdev->pm.current_sclk) {
+			radeon_sync_with_vblank(rdev);
+			radeon_pm_debug_check_in_vbl(rdev, false);
+			radeon_set_engine_clock(rdev, sclk);
+			radeon_pm_debug_check_in_vbl(rdev, true);
+			rdev->pm.current_sclk = sclk;
+			DRM_INFO("Setting: e: %d\n", sclk);
+		}
 
 #if 0
-	/* set memory clock */
-	if (rdev->asic->set_memory_clock) {
-		radeon_sync_with_vblank(rdev);
-		radeon_pm_debug_check_in_vbl(rdev, false);
-		radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
-		radeon_pm_debug_check_in_vbl(rdev, true);
-	}
+		/* set memory clock */
+		if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+			radeon_sync_with_vblank(rdev);
+			radeon_pm_debug_check_in_vbl(rdev, false);
+			radeon_set_memory_clock(rdev, mclk);
+			radeon_pm_debug_check_in_vbl(rdev, true);
+			rdev->pm.current_mclk = mclk;
+			DRM_INFO("Setting: m: %d\n", mclk);
+		}
 #endif
 
-	rdev->pm.current_power_state = rdev->pm.requested_power_state;
-	rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
+		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
+		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
+	} else
+		DRM_INFO("GUI not idle!!!\n");
 }
 
 bool r600_gui_idle(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 11fe1d1444c..b5eccc4094e 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -672,6 +672,9 @@ struct radeon_pm_clock_info {
 	u32 flags;
 };
 
+/* state flags */
+#define RADEON_PM_SINGLE_DISPLAY_ONLY (1 << 0)
+
 struct radeon_power_state {
 	enum radeon_pm_state_type type;
 	/* XXX: use a define for num clock modes */
@@ -682,6 +685,8 @@ struct radeon_power_state {
 	/* non clock info about this state */
 	struct radeon_pm_non_clock_info non_clock_info;
 	bool voltage_drop_active;
+	/* standardized state flags */
+	u32 flags;
 };
 
 /*
@@ -695,8 +700,10 @@ struct radeon_pm {
 	enum radeon_pm_state	state;
 	enum radeon_pm_action	planned_action;
 	unsigned long		action_timeout;
-	bool 			downclocked;
-	int			active_crtcs;
+	bool                    can_upclock;
+	bool                    can_downclock;
+	u32			active_crtcs;
+	int			active_crtc_count;
 	int			req_vblank;
 	bool			vblank_sync;
 	bool			gui_idle;
@@ -716,11 +723,13 @@ struct radeon_pm {
 	struct radeon_power_state power_state[8];
 	/* number of valid power states */
 	int                     num_power_states;
-	struct radeon_power_state *current_power_state;
-	struct radeon_pm_clock_info *current_clock_mode;
-	struct radeon_power_state *requested_power_state;
-	struct radeon_pm_clock_info *requested_clock_mode;
-	struct radeon_power_state *default_power_state;
+	int                     current_power_state_index;
+	int                     current_clock_mode_index;
+	int                     requested_power_state_index;
+	int                     requested_clock_mode_index;
+	int                     default_power_state_index;
+	u32                     current_sclk;
+	u32                     current_mclk;
 	struct radeon_i2c_chan *i2c_bus;
 };
 
@@ -810,6 +819,7 @@ struct radeon_asic {
 	 */
 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
 	bool (*gui_idle)(struct radeon_device *rdev);
+	void (*get_power_state)(struct radeon_device *rdev, enum radeon_pm_action action);
 	void (*set_power_state)(struct radeon_device *rdev);
 };
 
@@ -1218,6 +1228,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
 #define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
+#define radeon_get_power_state(rdev, a) (rdev)->asic->get_power_state((rdev), (a))
 #define radeon_set_power_state(rdev) (rdev)->asic->set_power_state((rdev))
 
 /* Common functions */
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 48893fbb658..1053115ba65 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -166,6 +166,7 @@ static struct radeon_asic r100_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -206,6 +207,7 @@ static struct radeon_asic r200_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -247,6 +249,7 @@ static struct radeon_asic r300_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -287,6 +290,7 @@ static struct radeon_asic r300_asic_pcie = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -328,6 +332,7 @@ static struct radeon_asic r420_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -369,6 +374,7 @@ static struct radeon_asic rs400_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -410,6 +416,7 @@ static struct radeon_asic rs600_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -451,6 +458,7 @@ static struct radeon_asic rs690_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -492,6 +500,7 @@ static struct radeon_asic rv515_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -533,6 +542,7 @@ static struct radeon_asic r520_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
+	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
 };
 
@@ -573,6 +583,7 @@ static struct radeon_asic r600_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
+	.get_power_state = &r600_get_power_state,
 	.set_power_state = &r600_set_power_state,
 };
 
@@ -613,6 +624,7 @@ static struct radeon_asic rs780_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
+	.get_power_state = &r600_get_power_state,
 	.set_power_state = &r600_set_power_state,
 };
 
@@ -653,6 +665,7 @@ static struct radeon_asic rv770_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
+	.get_power_state = &r600_get_power_state,
 	.set_power_state = &r600_set_power_state,
 };
 
@@ -691,6 +704,7 @@ static struct radeon_asic evergreen_asic = {
 	.hpd_sense = &evergreen_hpd_sense,
 	.hpd_set_polarity = &evergreen_hpd_set_polarity,
 	.gui_idle = &r600_gui_idle,
+	.get_power_state = &r600_get_power_state,
 	.set_power_state = &r600_set_power_state,
 };
 
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 90d8e6dee52..71b21bb4e5f 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -128,6 +128,8 @@ void r100_set_common_regs(struct radeon_device *rdev);
 void r100_bm_disable(struct radeon_device *rdev);
 extern bool r100_gui_idle(struct radeon_device *rdev);
 extern void r100_set_power_state(struct radeon_device *rdev);
+extern void r100_get_power_state(struct radeon_device *rdev,
+				 enum radeon_pm_action action);
 
 /*
  * r200,rv250,rs300,rv280
@@ -274,6 +276,8 @@ void r600_hpd_set_polarity(struct radeon_device *rdev,
 extern void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo);
 extern bool r600_gui_idle(struct radeon_device *rdev);
 extern void r600_set_power_state(struct radeon_device *rdev);
+extern void r600_get_power_state(struct radeon_device *rdev,
+				 enum radeon_pm_action action);
 
 /*
  * rv770,rv730,rv710,rv740
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index aa0a973a8af..dbfb837d224 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1489,7 +1489,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 	int state_index = 0, mode_index = 0;
 	struct radeon_i2c_bus_rec i2c_bus;
 
-	rdev->pm.default_power_state = NULL;
+	rdev->pm.default_power_state_index = -1;
 
 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
 				   &frev, &crev, &data_offset)) {
@@ -1520,12 +1520,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
 					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
 						continue;
-					/* skip overclock modes for now */
-					if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
-					     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
-					    (rdev->pm.power_state[state_index].clock_info[0].sclk >
-					     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
-						continue;
 					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
 						power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
@@ -1547,6 +1541,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
 							power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
 					}
+					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
 					/* order matters! */
 					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
 						rdev->pm.power_state[state_index].type =
@@ -1560,15 +1555,20 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_BALANCED;
-					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
+					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_PERFORMANCE;
+						rdev->pm.power_state[state_index].flags &=
+							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+					}
 					if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_DEFAULT;
-						rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+						rdev->pm.default_power_state_index = state_index;
 						rdev->pm.power_state[state_index].default_clock_mode =
 							&rdev->pm.power_state[state_index].clock_info[0];
+						rdev->pm.power_state[state_index].flags &=
+							~RADEON_PM_SINGLE_DISPLAY_ONLY;
 					}
 					state_index++;
 					break;
@@ -1582,12 +1582,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
 					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
 						continue;
-					/* skip overclock modes for now */
-					if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
-					     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
-					    (rdev->pm.power_state[state_index].clock_info[0].sclk >
-					     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
-						continue;
 					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
 						power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
@@ -1610,6 +1604,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
 							power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
 					}
+					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
 					/* order matters! */
 					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
 						rdev->pm.power_state[state_index].type =
@@ -1623,18 +1618,26 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_BALANCED;
-					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
+					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_PERFORMANCE;
+						rdev->pm.power_state[state_index].flags &=
+							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+					}
 					if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_BALANCED;
+					if (misc2 & ATOM_PM_MISCINFO2_MULTI_DISPLAY_SUPPORT)
+						rdev->pm.power_state[state_index].flags &=
+							~RADEON_PM_SINGLE_DISPLAY_ONLY;
 					if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_DEFAULT;
-						rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+						rdev->pm.default_power_state_index = state_index;
 						rdev->pm.power_state[state_index].default_clock_mode =
 							&rdev->pm.power_state[state_index].clock_info[0];
+						rdev->pm.power_state[state_index].flags &=
+							~RADEON_PM_SINGLE_DISPLAY_ONLY;
 					}
 					state_index++;
 					break;
@@ -1648,12 +1651,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
 					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
 						continue;
-					/* skip overclock modes for now */
-					if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
-					     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
-					    (rdev->pm.power_state[state_index].clock_info[0].sclk >
-					     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
-						continue;
 					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
 						power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
@@ -1682,6 +1679,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 							power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
 						}
 					}
+					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
 					/* order matters! */
 					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
 						rdev->pm.power_state[state_index].type =
@@ -1695,16 +1693,19 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_BALANCED;
-					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
+					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_PERFORMANCE;
+						rdev->pm.power_state[state_index].flags &=
+							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+					}
 					if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_BALANCED;
 					if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_DEFAULT;
-						rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+						rdev->pm.default_power_state_index = state_index;
 						rdev->pm.power_state[state_index].default_clock_mode =
 							&rdev->pm.power_state[state_index].clock_info[0];
 					}
@@ -1713,12 +1714,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 				}
 			}
 			/* last mode is usually default */
-			if (!rdev->pm.default_power_state) {
+			if (rdev->pm.default_power_state_index == -1) {
 				rdev->pm.power_state[state_index - 1].type =
 					POWER_STATE_TYPE_DEFAULT;
-				rdev->pm.default_power_state = &rdev->pm.power_state[state_index - 1];
+				rdev->pm.default_power_state_index = state_index - 1;
 				rdev->pm.power_state[state_index - 1].default_clock_mode =
 					&rdev->pm.power_state[state_index - 1].clock_info[0];
+				rdev->pm.power_state[state_index].flags &=
+					~RADEON_PM_SINGLE_DISPLAY_ONLY;
 			}
 		} else {
 			/* add the i2c bus for thermal/fan chip */
@@ -1774,10 +1777,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						/* skip invalid modes */
 						if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
 							continue;
-						/* skip overclock modes for now */
-						if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
-						    rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN)
-							continue;
 						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
 							VOLTAGE_SW;
 						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
@@ -1801,12 +1800,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
 						    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
 							continue;
-						/* skip overclock modes for now */
-						if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
-						     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
-						    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
-						     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
-							continue;
 						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
 							VOLTAGE_SW;
 						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
@@ -1831,12 +1824,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
 						    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
 							continue;
-						/* skip overclock modes for now */
-						if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
-						     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
-						    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
-						     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
-							continue;
 						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
 							VOLTAGE_SW;
 						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
@@ -1865,10 +1852,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 							POWER_STATE_TYPE_PERFORMANCE;
 						break;
 					}
+					rdev->pm.power_state[state_index].flags = 0;
+					if (misc & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
+						rdev->pm.power_state[state_index].flags |=
+							RADEON_PM_SINGLE_DISPLAY_ONLY;
 					if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_DEFAULT;
-						rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+						rdev->pm.default_power_state_index = state_index;
 						rdev->pm.power_state[state_index].default_clock_mode =
 							&rdev->pm.power_state[state_index].clock_info[mode_index - 1];
 					}
@@ -1876,10 +1867,10 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 				}
 			}
 			/* first mode is usually default */
-			if (!rdev->pm.default_power_state) {
+			if (rdev->pm.default_power_state_index == -1) {
 				rdev->pm.power_state[0].type =
 					POWER_STATE_TYPE_DEFAULT;
-				rdev->pm.default_power_state = &rdev->pm.power_state[0];
+				rdev->pm.default_power_state_index = 0;
 				rdev->pm.power_state[0].default_clock_mode =
 					&rdev->pm.power_state[0].clock_info[0];
 			}
@@ -1898,15 +1889,15 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 			rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
 		else
 			rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
-		rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+		rdev->pm.default_power_state_index = state_index;
+		rdev->pm.power_state[state_index].flags = 0;
 		state_index++;
 	}
 
 	rdev->pm.num_power_states = state_index;
 
-	rdev->pm.current_power_state = rdev->pm.default_power_state;
-	rdev->pm.current_clock_mode =
-		rdev->pm.default_power_state->default_clock_mode;
+	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
+	rdev->pm.current_clock_mode_index = 0;
 }
 
 void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 44198581ba9..6a9ec851126 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2368,7 +2368,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
 	u8 rev, blocks, tmp;
 	int state_index = 0;
 
-	rdev->pm.default_power_state = NULL;
+	rdev->pm.default_power_state_index = -1;
 
 	if (rdev->flags & RADEON_IS_MOBILITY) {
 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
@@ -2441,6 +2441,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
 			if (rev > 6)
 				rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
 					RBIOS8(offset + 0x5 + 0x10);
+			rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
 			state_index++;
 		} else {
 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
@@ -2462,12 +2463,12 @@ default_mode:
 		rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
 	else
 		rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
-	rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+	rdev->pm.power_state[state_index].flags = 0;
+	rdev->pm.default_power_state_index = state_index;
 	rdev->pm.num_power_states = state_index + 1;
 
-	rdev->pm.current_power_state = rdev->pm.default_power_state;
-	rdev->pm.current_clock_mode =
-		rdev->pm.default_power_state->default_clock_mode;
+	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
+	rdev->pm.current_clock_mode_index = 0;
 }
 
 void radeon_external_tmds_setup(struct drm_encoder *encoder)
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 60c0dcb8e11..f4f9cb297e3 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -323,6 +323,7 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 		}
 		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 		radeon_crtc_load_lut(crtc);
+		radeon_crtc->enabled = true;
 		break;
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
@@ -335,6 +336,7 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 										    RADEON_CRTC_DISP_REQ_EN_B));
 			WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask);
 		}
+		radeon_crtc->enabled = false;
 		break;
 	}
 
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 129956d003a..10ef8924799 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -56,7 +56,7 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
 
 	DRM_INFO("%d Power State(s)\n", rdev->pm.num_power_states);
 	for (i = 0; i < rdev->pm.num_power_states; i++) {
-		if (rdev->pm.default_power_state == &rdev->pm.power_state[i])
+		if (rdev->pm.default_power_state_index == i)
 			is_default = true;
 		else
 			is_default = false;
@@ -65,6 +65,8 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
 			 is_default ? "(default)" : "");
 		if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
 			DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].non_clock_info.pcie_lanes);
+		if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+			DRM_INFO("\tSingle display only\n");
 		DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);
 		for (j = 0; j < rdev->pm.power_state[i].num_clock_modes; j++) {
 			if (rdev->flags & RADEON_IS_IGP)
@@ -80,106 +82,6 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
 	}
 }
 
-static struct radeon_power_state * radeon_pick_power_state(struct radeon_device *rdev,
-							   enum radeon_pm_state_type type)
-{
-	int i, j;
-	enum radeon_pm_state_type wanted_types[2];
-	int wanted_count;
-
-	switch (type) {
-	case POWER_STATE_TYPE_DEFAULT:
-	default:
-		return rdev->pm.default_power_state;
-	case POWER_STATE_TYPE_POWERSAVE:
-		if (rdev->flags & RADEON_IS_MOBILITY) {
-			wanted_types[0] = POWER_STATE_TYPE_POWERSAVE;
-			wanted_types[1] = POWER_STATE_TYPE_BATTERY;
-			wanted_count = 2;
-		} else {
-			wanted_types[0] = POWER_STATE_TYPE_PERFORMANCE;
-			wanted_count = 1;
-		}
-		break;
-	case POWER_STATE_TYPE_BATTERY:
-		if (rdev->flags & RADEON_IS_MOBILITY) {
-			wanted_types[0] = POWER_STATE_TYPE_BATTERY;
-			wanted_types[1] = POWER_STATE_TYPE_POWERSAVE;
-			wanted_count = 2;
-		} else {
-			wanted_types[0] = POWER_STATE_TYPE_PERFORMANCE;
-			wanted_count = 1;
-		}
-		break;
-	case POWER_STATE_TYPE_BALANCED:
-	case POWER_STATE_TYPE_PERFORMANCE:
-		wanted_types[0] = type;
-		wanted_count = 1;
-		break;
-	}
-
-	for (i = 0; i < wanted_count; i++) {
-		for (j = 0; j < rdev->pm.num_power_states; j++) {
-			if (rdev->pm.power_state[j].type == wanted_types[i])
-				return &rdev->pm.power_state[j];
-		}
-	}
-
-	return rdev->pm.default_power_state;
-}
-
-static struct radeon_pm_clock_info * radeon_pick_clock_mode(struct radeon_device *rdev,
-							    struct radeon_power_state *power_state,
-							    enum radeon_pm_clock_mode_type type)
-{
-	switch (type) {
-	case POWER_MODE_TYPE_DEFAULT:
-	default:
-		return power_state->default_clock_mode;
-	case POWER_MODE_TYPE_LOW:
-		return &power_state->clock_info[0];
-	case POWER_MODE_TYPE_MID:
-		if (power_state->num_clock_modes > 2)
-			return &power_state->clock_info[1];
-		else
-			return &power_state->clock_info[0];
-		break;
-	case POWER_MODE_TYPE_HIGH:
-		return &power_state->clock_info[power_state->num_clock_modes - 1];
-	}
-
-}
-
-static void radeon_get_power_state(struct radeon_device *rdev,
-				   enum radeon_pm_action action)
-{
-	switch (action) {
-	case PM_ACTION_MINIMUM:
-		rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_BATTERY);
-		rdev->pm.requested_clock_mode =
-			radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_LOW);
-		break;
-	case PM_ACTION_DOWNCLOCK:
-		rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_POWERSAVE);
-		rdev->pm.requested_clock_mode =
-			radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_MID);
-		break;
-	case PM_ACTION_UPCLOCK:
-		rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_DEFAULT);
-		rdev->pm.requested_clock_mode =
-			radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_HIGH);
-		break;
-	case PM_ACTION_NONE:
-	default:
-		DRM_ERROR("Requested mode for not defined action\n");
-		return;
-	}
-	DRM_INFO("Requested: e: %d m: %d p: %d\n",
-		 rdev->pm.requested_clock_mode->sclk,
-		 rdev->pm.requested_clock_mode->mclk,
-		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
-}
-
 void radeon_sync_with_vblank(struct radeon_device *rdev)
 {
 	if (rdev->pm.active_crtcs) {
@@ -194,7 +96,8 @@ int radeon_pm_init(struct radeon_device *rdev)
 {
 	rdev->pm.state = PM_STATE_DISABLED;
 	rdev->pm.planned_action = PM_ACTION_NONE;
-	rdev->pm.downclocked = false;
+	rdev->pm.can_upclock = true;
+	rdev->pm.can_downclock = true;
 
 	if (rdev->bios) {
 		if (rdev->is_atom_bios)
@@ -229,9 +132,8 @@ void radeon_pm_fini(struct radeon_device *rdev)
 void radeon_pm_compute_clocks(struct radeon_device *rdev)
 {
 	struct drm_device *ddev = rdev->ddev;
-	struct drm_connector *connector;
+	struct drm_crtc *crtc;
 	struct radeon_crtc *radeon_crtc;
-	int count = 0;
 
 	if (rdev->pm.state == PM_STATE_DISABLED)
 		return;
@@ -239,29 +141,27 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	mutex_lock(&rdev->pm.mutex);
 
 	rdev->pm.active_crtcs = 0;
-	list_for_each_entry(connector,
-		&ddev->mode_config.connector_list, head) {
-		if (connector->encoder &&
-		    connector->encoder->crtc &&
-		    connector->dpms != DRM_MODE_DPMS_OFF) {
-			radeon_crtc = to_radeon_crtc(connector->encoder->crtc);
+	rdev->pm.active_crtc_count = 0;
+	list_for_each_entry(crtc,
+		&ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
 			rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id);
-			++count;
+			rdev->pm.active_crtc_count++;
 		}
 	}
 
-	if (count > 1) {
+	if (rdev->pm.active_crtc_count > 1) {
 		if (rdev->pm.state == PM_STATE_ACTIVE) {
 			cancel_delayed_work(&rdev->pm.idle_work);
 
 			rdev->pm.state = PM_STATE_PAUSED;
 			rdev->pm.planned_action = PM_ACTION_UPCLOCK;
-			if (rdev->pm.downclocked)
-				radeon_pm_set_clocks(rdev);
+			radeon_pm_set_clocks(rdev);
 
 			DRM_DEBUG("radeon: dynamic power management deactivated\n");
 		}
-	} else if (count == 1) {
+	} else if (rdev->pm.active_crtc_count == 1) {
 		/* TODO: Increase clocks if needed for current mode */
 
 		if (rdev->pm.state == PM_STATE_MINIMUM) {
@@ -271,15 +171,13 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 
 			queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
 				msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
-		}
-		else if (rdev->pm.state == PM_STATE_PAUSED) {
+		} else if (rdev->pm.state == PM_STATE_PAUSED) {
 			rdev->pm.state = PM_STATE_ACTIVE;
 			queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
 				msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
 			DRM_DEBUG("radeon: dynamic power management activated\n");
 		}
-	}
-	else { /* count == 0 */
+	} else { /* count == 0 */
 		if (rdev->pm.state != PM_STATE_MINIMUM) {
 			cancel_delayed_work(&rdev->pm.idle_work);
 
@@ -359,19 +257,6 @@ bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
 static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)
 {
 	/*radeon_fence_wait_last(rdev);*/
-	switch (rdev->pm.planned_action) {
-	case PM_ACTION_UPCLOCK:
-		rdev->pm.downclocked = false;
-		break;
-	case PM_ACTION_DOWNCLOCK:
-		rdev->pm.downclocked = true;
-		break;
-	case PM_ACTION_MINIMUM:
-		break;
-	case PM_ACTION_NONE:
-		DRM_ERROR("%s: PM_ACTION_NONE\n", __func__);
-		break;
-	}
 
 	radeon_set_power_state(rdev);
 	rdev->pm.planned_action = PM_ACTION_NONE;
@@ -437,7 +322,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 			if (rdev->pm.planned_action == PM_ACTION_DOWNCLOCK) {
 				rdev->pm.planned_action = PM_ACTION_NONE;
 			} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
-				rdev->pm.downclocked) {
+				   rdev->pm.can_upclock) {
 				rdev->pm.planned_action =
 					PM_ACTION_UPCLOCK;
 				rdev->pm.action_timeout = jiffies +
@@ -447,7 +332,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 			if (rdev->pm.planned_action == PM_ACTION_UPCLOCK) {
 				rdev->pm.planned_action = PM_ACTION_NONE;
 			} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
-				!rdev->pm.downclocked) {
+				   rdev->pm.can_downclock) {
 				rdev->pm.planned_action =
 					PM_ACTION_DOWNCLOCK;
 				rdev->pm.action_timeout = jiffies +

From c00f53be5ec70038d7a34f64872df51dabfc5a5b Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 22 Mar 2010 13:34:22 -0400
Subject: [PATCH 1941/3638] drm/radeon/kms/pm: update display watermarks with
 power state changes

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 10ef8924799..a137ee2f722 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -293,6 +293,11 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
 		}
 	}
 
+	/* update display watermarks based on new power state */
+	radeon_update_bandwidth_info(rdev);
+	if (rdev->pm.active_crtc_count)
+		radeon_bandwidth_update(rdev);
+
 	mutex_unlock(&rdev->cp.mutex);
 }
 

From 678e7dfa9e1bb0d1ad31b7cddce58fc3b67cfb27 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 14:17:56 -0400
Subject: [PATCH 1942/3638] drm/radeon/kms/atom: load hwmon drivers

Hook the atom table parsing up to module loading, so we can automatically
load the appropriate hwmon drivers.

Based on initial patch for r6xx from Matthew Garrett

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 69 +++++++++++++++---------
 1 file changed, 43 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index dbfb837d224..a0a99b66af8 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1442,29 +1442,29 @@ radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
 
 static const char *thermal_controller_names[] = {
 	"NONE",
-	"LM63",
-	"ADM1032",
-	"ADM1030",
-	"MUA6649",
-	"LM64",
-	"F75375",
-	"ASC7512",
+	"lm63",
+	"adm1032",
+	"adm1030",
+	"max6649",
+	"lm64",
+	"f75375",
+	"asc7xxx",
 };
 
 static const char *pp_lib_thermal_controller_names[] = {
 	"NONE",
-	"LM63",
-	"ADM1032",
-	"ADM1030",
-	"MUA6649",
-	"LM64",
-	"F75375",
+	"lm63",
+	"adm1032",
+	"adm1030",
+	"max6649",
+	"lm64",
+	"f75375",
 	"RV6xx",
 	"RV770",
-	"ADT7473",
+	"adt7473",
 	"External GPIO",
 	"Evergreen",
-	"ADT7473 with internal",
+	"adt7473 with internal",
 
 };
 
@@ -1502,6 +1502,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					 power_info->info.ucOverdriveControllerAddress >> 1);
 				i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info.ucOverdriveI2cLine);
 				rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
+				if (rdev->pm.i2c_bus) {
+					struct i2c_board_info info = { };
+					const char *name = thermal_controller_names[power_info->info.
+										    ucOverdriveThermalController];
+					info.addr = power_info->info.ucOverdriveControllerAddress >> 1;
+					strlcpy(info.type, name, sizeof(info.type));
+					i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
+				}
 			}
 			num_modes = power_info->info.ucNumOfPowerModeEntries;
 			if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
@@ -1726,26 +1734,35 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 		} else {
 			/* add the i2c bus for thermal/fan chip */
 			/* no support for internal controller yet */
-			if (power_info->info_4.sThermalController.ucType > 0) {
-				if ((power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) ||
-				    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV770) ||
-				    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN)) {
+			ATOM_PPLIB_THERMALCONTROLLER *controller = &power_info->info_4.sThermalController;
+			if (controller->ucType > 0) {
+				if ((controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) ||
+				    (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) ||
+				    (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN)) {
 					DRM_INFO("Internal thermal controller %s fan control\n",
-						 (power_info->info_4.sThermalController.ucFanParameters &
+						 (controller->ucFanParameters &
 						  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
-				} else if ((power_info->info_4.sThermalController.ucType ==
+				} else if ((controller->ucType ==
 					    ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) ||
-					   (power_info->info_4.sThermalController.ucType ==
+					   (controller->ucType ==
 					    ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL)) {
 					DRM_INFO("Special thermal controller config\n");
 				} else {
 					DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
-						 pp_lib_thermal_controller_names[power_info->info_4.sThermalController.ucType],
-						 power_info->info_4.sThermalController.ucI2cAddress >> 1,
-						 (power_info->info_4.sThermalController.ucFanParameters &
+						 pp_lib_thermal_controller_names[controller->ucType],
+						 controller->ucI2cAddress >> 1,
+						 (controller->ucFanParameters &
 						  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
-					i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info_4.sThermalController.ucI2cLine);
+					i2c_bus = radeon_lookup_i2c_gpio(rdev, controller->ucI2cLine);
 					rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
+					if (rdev->pm.i2c_bus) {
+						struct i2c_board_info info = { };
+						const char *name = pp_lib_thermal_controller_names[controller->ucType];
+						info.addr = controller->ucI2cAddress >> 1;
+						strlcpy(info.type, name, sizeof(info.type));
+						i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
+					}
+
 				}
 			}
 			/* first mode is usually default, followed by low to high */

From 90c3905950021a9b37ac1a4dd78225881f4c61e4 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 11:32:29 -0400
Subject: [PATCH 1943/3638] drm/radeon/kms/pm: don't enable pm if there is only
 on power state

Just adds overhead when the power state will never change.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index a137ee2f722..811126464a7 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -113,7 +113,7 @@ int radeon_pm_init(struct radeon_device *rdev)
 
 	INIT_DELAYED_WORK(&rdev->pm.idle_work, radeon_pm_idle_work_handler);
 
-	if (radeon_dynpm != -1 && radeon_dynpm) {
+	if ((radeon_dynpm != -1 && radeon_dynpm) && (rdev->pm.num_power_states > 1)) {
 		rdev->pm.state = PM_STATE_PAUSED;
 		DRM_INFO("radeon: dynamic power management enabled\n");
 	}

From d91eeb7862a4a5f7c5c92b953fa69d2f1430e840 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 5 Apr 2010 15:26:43 -0400
Subject: [PATCH 1944/3638] drm/radeon/kms/pm: clean power state printing

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 811126464a7..1febb62bdd9 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -42,7 +42,7 @@ static const char *pm_state_names[4] = {
 };
 
 static const char *pm_state_types[5] = {
-	"Default",
+	"",
 	"Powersave",
 	"Battery",
 	"Balanced",

From 79daedc942813c0417ff5e277da6f7f35705cde5 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 14:25:19 -0400
Subject: [PATCH 1945/3638] drm/radeon/kms: minor pm cleanups

- remove non_clock_info struct
- track power state misc flags

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r100.c            |  2 +-
 drivers/gpu/drm/radeon/r600.c            |  2 +-
 drivers/gpu/drm/radeon/radeon.h          | 13 +++----------
 drivers/gpu/drm/radeon/radeon_atombios.c | 22 ++++++++++++++--------
 drivers/gpu/drm/radeon/radeon_combios.c  | 15 ++++-----------
 drivers/gpu/drm/radeon/radeon_pm.c       |  2 +-
 6 files changed, 24 insertions(+), 32 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index a6b2aca36b4..f10b747024f 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -137,7 +137,7 @@ void r100_get_power_state(struct radeon_device *rdev,
 		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
 		 clock_info[rdev->pm.requested_clock_mode_index].mclk,
 		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
-		 non_clock_info.pcie_lanes);
+		 pcie_lanes);
 }
 
 void r100_set_power_state(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index cc2797949ee..35a5d4856f4 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -234,7 +234,7 @@ void r600_get_power_state(struct radeon_device *rdev,
 		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
 		 clock_info[rdev->pm.requested_clock_mode_index].mclk,
 		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
-		 non_clock_info.pcie_lanes);
+		 pcie_lanes);
 }
 
 void r600_set_power_state(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b5eccc4094e..b9ad976cfb9 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -654,13 +654,6 @@ struct radeon_voltage {
 	u32 voltage;
 };
 
-struct radeon_pm_non_clock_info {
-	/* pcie lanes */
-	int pcie_lanes;
-	/* standardized non-clock flags */
-	u32 flags;
-};
-
 struct radeon_pm_clock_info {
 	/* memory clock */
 	u32 mclk;
@@ -682,11 +675,11 @@ struct radeon_power_state {
 	/* number of valid clock modes in this power state */
 	int num_clock_modes;
 	struct radeon_pm_clock_info *default_clock_mode;
-	/* non clock info about this state */
-	struct radeon_pm_non_clock_info non_clock_info;
-	bool voltage_drop_active;
 	/* standardized state flags */
 	u32 flags;
+	u32 misc; /* vbios specific flags */
+	u32 misc2; /* vbios specific flags */
+	int pcie_lanes; /* pcie lanes */
 };
 
 /*
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index a0a99b66af8..c29ac74a1d2 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1528,7 +1528,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
 					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
 						continue;
-					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+					rdev->pm.power_state[state_index].pcie_lanes =
 						power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
 					if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
@@ -1550,6 +1550,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 							power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
 					}
 					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+					rdev->pm.power_state[state_index].misc = misc;
 					/* order matters! */
 					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
 						rdev->pm.power_state[state_index].type =
@@ -1590,7 +1591,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
 					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
 						continue;
-					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+					rdev->pm.power_state[state_index].pcie_lanes =
 						power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
 					misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
@@ -1613,6 +1614,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 							power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
 					}
 					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+					rdev->pm.power_state[state_index].misc = misc;
+					rdev->pm.power_state[state_index].misc2 = misc2;
 					/* order matters! */
 					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
 						rdev->pm.power_state[state_index].type =
@@ -1659,7 +1662,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
 					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
 						continue;
-					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+					rdev->pm.power_state[state_index].pcie_lanes =
 						power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
 					misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
@@ -1688,6 +1691,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						}
 					}
 					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+					rdev->pm.power_state[state_index].misc = misc;
+					rdev->pm.power_state[state_index].misc2 = misc2;
 					/* order matters! */
 					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
 						rdev->pm.power_state[state_index].type =
@@ -1730,6 +1735,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					&rdev->pm.power_state[state_index - 1].clock_info[0];
 				rdev->pm.power_state[state_index].flags &=
 					~RADEON_PM_SINGLE_DISPLAY_ONLY;
+				rdev->pm.power_state[state_index].misc = 0;
+				rdev->pm.power_state[state_index].misc2 = 0;
 			}
 		} else {
 			/* add the i2c bus for thermal/fan chip */
@@ -1852,7 +1859,9 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 				if (mode_index) {
 					misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
 					misc2 = le16_to_cpu(non_clock_info->usClassification);
-					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+					rdev->pm.power_state[state_index].misc = misc;
+					rdev->pm.power_state[state_index].misc2 = misc2;
+					rdev->pm.power_state[state_index].pcie_lanes =
 						((misc & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >>
 						ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
 					switch (misc2 & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
@@ -1902,10 +1911,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 		rdev->pm.power_state[state_index].default_clock_mode =
 			&rdev->pm.power_state[state_index].clock_info[0];
 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
-		if (rdev->asic->get_pcie_lanes)
-			rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
-		else
-			rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
+		rdev->pm.power_state[state_index].pcie_lanes = 16;
 		rdev->pm.default_power_state_index = state_index;
 		rdev->pm.power_state[state_index].flags = 0;
 		state_index++;
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 6a9ec851126..c22344b7fc5 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2382,17 +2382,13 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
 				goto default_mode;
-			/* skip overclock modes for now */
-			if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
-			     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
-			    (rdev->pm.power_state[state_index].clock_info[0].sclk >
-			     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
-				goto default_mode;
 			rdev->pm.power_state[state_index].type =
 				POWER_STATE_TYPE_BATTERY;
 			misc = RBIOS16(offset + 0x5 + 0x0);
 			if (rev > 4)
 				misc2 = RBIOS16(offset + 0x5 + 0xe);
+			rdev->pm.power_state[state_index].misc = misc;
+			rdev->pm.power_state[state_index].misc2 = misc2;
 			if (misc & 0x4) {
 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
 				if (misc & 0x8)
@@ -2439,7 +2435,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
 			} else
 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
 			if (rev > 6)
-				rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+				rdev->pm.power_state[state_index].pcie_lanes =
 					RBIOS8(offset + 0x5 + 0x10);
 			rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
 			state_index++;
@@ -2459,10 +2455,7 @@ default_mode:
 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
 	rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
-	if (rdev->asic->get_pcie_lanes)
-		rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
-	else
-		rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
+	rdev->pm.power_state[state_index].pcie_lanes = 16;
 	rdev->pm.power_state[state_index].flags = 0;
 	rdev->pm.default_power_state_index = state_index;
 	rdev->pm.num_power_states = state_index + 1;
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 1febb62bdd9..87814eb8a1b 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -64,7 +64,7 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
 			 pm_state_types[rdev->pm.power_state[i].type],
 			 is_default ? "(default)" : "");
 		if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
-			DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].non_clock_info.pcie_lanes);
+			DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].pcie_lanes);
 		if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
 			DRM_INFO("\tSingle display only\n");
 		DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);

From 58e21dff53b9063563e7bb5f5a795ab2d8f61dda Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 22 Mar 2010 13:31:08 -0400
Subject: [PATCH 1946/3638] drm/radeon/kms/pm: restore default power state on
 exit

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r100.c      |  4 ++++
 drivers/gpu/drm/radeon/r600.c      | 10 ++++++++++
 drivers/gpu/drm/radeon/radeon.h    |  3 ++-
 drivers/gpu/drm/radeon/radeon_pm.c |  9 +++++++++
 4 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index f10b747024f..6443d9ea6c1 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -123,6 +123,10 @@ void r100_get_power_state(struct radeon_device *rdev,
 					rdev->pm.current_power_state_index + 1;
 		}
 		break;
+	case PM_ACTION_DEFAULT:
+		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+		rdev->pm.can_upclock = false;
+		break;
 	case PM_ACTION_NONE:
 	default:
 		DRM_ERROR("Requested mode for not defined action\n");
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 35a5d4856f4..4f7f318b543 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -161,6 +161,11 @@ void r600_get_power_state(struct radeon_device *rdev,
 			}
 			rdev->pm.requested_clock_mode_index = 0;
 			break;
+		case PM_ACTION_DEFAULT:
+			rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+			rdev->pm.requested_clock_mode_index = 0;
+			rdev->pm.can_upclock = false;
+			break;
 		case PM_ACTION_NONE:
 		default:
 			DRM_ERROR("Requested mode for not defined action\n");
@@ -221,6 +226,11 @@ void r600_get_power_state(struct radeon_device *rdev,
 				rdev->pm.can_upclock = false;
 			}
 			break;
+		case PM_ACTION_DEFAULT:
+			rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+			rdev->pm.requested_clock_mode_index = 0;
+			rdev->pm.can_upclock = false;
+			break;
 		case PM_ACTION_NONE:
 		default:
 			DRM_ERROR("Requested mode for not defined action\n");
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b9ad976cfb9..5ffb29597af 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -615,7 +615,8 @@ enum radeon_pm_action {
 	PM_ACTION_NONE,
 	PM_ACTION_MINIMUM,
 	PM_ACTION_DOWNCLOCK,
-	PM_ACTION_UPCLOCK
+	PM_ACTION_UPCLOCK,
+	PM_ACTION_DEFAULT
 };
 
 enum radeon_voltage_type {
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 87814eb8a1b..23b79ebce6c 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -125,6 +125,15 @@ int radeon_pm_init(struct radeon_device *rdev)
 
 void radeon_pm_fini(struct radeon_device *rdev)
 {
+	if (rdev->pm.state != PM_STATE_DISABLED) {
+		/* cancel work */
+		cancel_delayed_work_sync(&rdev->pm.idle_work);
+		/* reset default clocks */
+		rdev->pm.state = PM_STATE_DISABLED;
+		rdev->pm.planned_action = PM_ACTION_DEFAULT;
+		radeon_pm_set_clocks(rdev);
+	}
+
 	if (rdev->pm.i2c_bus)
 		radeon_i2c_destroy(rdev->pm.i2c_bus);
 }

From 49e02b7306cb7e01965fe5f41ba0f80085142f6e Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 23 Apr 2010 17:57:27 -0400
Subject: [PATCH 1947/3638] drm/radeon/kms/pm: add additional asic callbacks

- pm_misc() - handles voltage, pcie lanes, and other non
clock related power mode settings.  Currently disabled.
Needs further debugging

- pm_prepare() - disables crtc mem requests right now.
All memory clients need to be disabled when changing
memory clocks.  This function can be expanded to include
disabling fb access as well.

- pm_finish() - enable active memory clients.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c     |  41 +++++++
 drivers/gpu/drm/radeon/evergreen_reg.h |   1 +
 drivers/gpu/drm/radeon/r100.c          | 142 +++++++++++++++++++++++++
 drivers/gpu/drm/radeon/r100d.h         |  36 +++++++
 drivers/gpu/drm/radeon/r500_reg.h      |   1 +
 drivers/gpu/drm/radeon/r600.c          |   5 +
 drivers/gpu/drm/radeon/radeon.h        |   3 +
 drivers/gpu/drm/radeon/radeon_asic.c   |  42 ++++++++
 drivers/gpu/drm/radeon/radeon_asic.h   |  11 ++
 drivers/gpu/drm/radeon/rs600.c         | 123 +++++++++++++++++++++
 drivers/gpu/drm/radeon/rs600d.h        |  32 ++++++
 drivers/gpu/drm/radeon/rv770.c         |   4 +
 12 files changed, 441 insertions(+)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 0137a4cd90f..8d86d0568d9 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -39,6 +39,47 @@
 static void evergreen_gpu_init(struct radeon_device *rdev);
 void evergreen_fini(struct radeon_device *rdev);
 
+void evergreen_pm_misc(struct radeon_device *rdev)
+{
+
+}
+
+void evergreen_pm_prepare(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 tmp;
+
+	/* disable any active CRTCs */
+	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
+			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
+			tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
+		}
+	}
+}
+
+void evergreen_pm_finish(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 tmp;
+
+	/* enable any active CRTCs */
+	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
+			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
+			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
+		}
+	}
+}
+
 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 {
 	bool connected = false;
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index 9dba6d97d9b..93aab2ebd9d 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -166,6 +166,7 @@
 /* CRTC blocks at 0x6df0, 0x79f0, 0x105f0, 0x111f0, 0x11df0, 0x129f0 */
 #define EVERGREEN_CRTC_CONTROL                          0x6e70
 #       define EVERGREEN_CRTC_MASTER_EN                 (1 << 0)
+#       define EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE (1 << 24)
 #define EVERGREEN_CRTC_STATUS                           0x6e8c
 #define EVERGREEN_CRTC_UPDATE_LOCK                      0x6ed4
 
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 6443d9ea6c1..2106ac66eb3 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -37,6 +37,7 @@
 #include "rs100d.h"
 #include "rv200d.h"
 #include "rv250d.h"
+#include "atom.h"
 
 #include <linux/firmware.h>
 #include <linux/platform_device.h>
@@ -200,6 +201,147 @@ void r100_set_power_state(struct radeon_device *rdev)
 		DRM_INFO("GUI not idle!!!\n");
 }
 
+void r100_pm_misc(struct radeon_device *rdev)
+{
+#if 0
+	int requested_index = rdev->pm.requested_power_state_index;
+	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
+	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
+	u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
+
+	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
+		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+			tmp = RREG32(voltage->gpio.reg);
+			if (voltage->active_high)
+				tmp |= voltage->gpio.mask;
+			else
+				tmp &= ~(voltage->gpio.mask);
+			WREG32(voltage->gpio.reg, tmp);
+			if (voltage->delay)
+				udelay(voltage->delay);
+		} else {
+			tmp = RREG32(voltage->gpio.reg);
+			if (voltage->active_high)
+				tmp &= ~voltage->gpio.mask;
+			else
+				tmp |= voltage->gpio.mask;
+			WREG32(voltage->gpio.reg, tmp);
+			if (voltage->delay)
+				udelay(voltage->delay);
+		}
+	}
+
+	sclk_cntl = RREG32_PLL(SCLK_CNTL);
+	sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
+	sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
+	sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
+	sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
+	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
+		sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
+		if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
+			sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
+		else
+			sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
+		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
+			sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
+		else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
+			sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
+	} else
+		sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
+
+	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
+		sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
+		if (voltage->delay) {
+			sclk_more_cntl |= VOLTAGE_DROP_SYNC;
+			switch (voltage->delay) {
+			case 33:
+				sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
+				break;
+			case 66:
+				sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
+				break;
+			case 99:
+				sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
+				break;
+			case 132:
+				sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
+				break;
+			}
+		} else
+			sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
+	} else
+		sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
+
+	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
+		sclk_cntl &= ~FORCE_HDP;
+	else
+		sclk_cntl |= FORCE_HDP;
+
+	WREG32_PLL(SCLK_CNTL, sclk_cntl);
+	WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
+	WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
+
+	/* set pcie lanes */
+	if ((rdev->flags & RADEON_IS_PCIE) &&
+	    !(rdev->flags & RADEON_IS_IGP) &&
+	    rdev->asic->set_pcie_lanes &&
+	    (ps->pcie_lanes !=
+	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
+		radeon_set_pcie_lanes(rdev,
+				      ps->pcie_lanes);
+		DRM_INFO("Setting: p: %d\n", ps->pcie_lanes);
+	}
+#endif
+}
+
+void r100_pm_prepare(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 tmp;
+
+	/* disable any active CRTCs */
+	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
+			if (radeon_crtc->crtc_id) {
+				tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
+				tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
+				WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+			} else {
+				tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+				tmp |= RADEON_CRTC_DISP_REQ_EN_B;
+				WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+			}
+		}
+	}
+}
+
+void r100_pm_finish(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 tmp;
+
+	/* enable any active CRTCs */
+	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
+			if (radeon_crtc->crtc_id) {
+				tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
+				tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
+				WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+			} else {
+				tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+				tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
+				WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+			}
+		}
+	}
+}
+
 bool r100_gui_idle(struct radeon_device *rdev)
 {
 	if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
diff --git a/drivers/gpu/drm/radeon/r100d.h b/drivers/gpu/drm/radeon/r100d.h
index de8abd104ab..d016b16fa11 100644
--- a/drivers/gpu/drm/radeon/r100d.h
+++ b/drivers/gpu/drm/radeon/r100d.h
@@ -838,5 +838,41 @@
 #define   G_00000D_FORCE_RB(x)                         (((x) >> 28) & 0x1)
 #define   C_00000D_FORCE_RB                            0xEFFFFFFF
 
+/* PLL regs */
+#define SCLK_CNTL                                      0xd
+#define   FORCE_HDP                                    (1 << 17)
+#define CLK_PWRMGT_CNTL                                0x14
+#define   GLOBAL_PMAN_EN                               (1 << 10)
+#define   DISP_PM                                      (1 << 20)
+#define PLL_PWRMGT_CNTL                                0x15
+#define   MPLL_TURNOFF                                 (1 << 0)
+#define   SPLL_TURNOFF                                 (1 << 1)
+#define   PPLL_TURNOFF                                 (1 << 2)
+#define   P2PLL_TURNOFF                                (1 << 3)
+#define   TVPLL_TURNOFF                                (1 << 4)
+#define   MOBILE_SU                                    (1 << 16)
+#define   SU_SCLK_USE_BCLK                             (1 << 17)
+#define SCLK_CNTL2                                     0x1e
+#define   REDUCED_SPEED_SCLK_MODE                      (1 << 16)
+#define   REDUCED_SPEED_SCLK_SEL(x)                    ((x) << 17)
+#define MCLK_MISC                                      0x1f
+#define   EN_MCLK_TRISTATE_IN_SUSPEND                  (1 << 18)
+#define SCLK_MORE_CNTL                                 0x35
+#define   REDUCED_SPEED_SCLK_EN                        (1 << 16)
+#define   IO_CG_VOLTAGE_DROP                           (1 << 17)
+#define   VOLTAGE_DELAY_SEL(x)                         ((x) << 20)
+#define   VOLTAGE_DROP_SYNC                            (1 << 19)
+
+/* mmreg */
+#define DISP_PWR_MAN                                   0xd08
+#define   DISP_D3_GRPH_RST                             (1 << 18)
+#define   DISP_D3_SUBPIC_RST                           (1 << 19)
+#define   DISP_D3_OV0_RST                              (1 << 20)
+#define   DISP_D1D2_GRPH_RST                           (1 << 21)
+#define   DISP_D1D2_SUBPIC_RST                         (1 << 22)
+#define   DISP_D1D2_OV0_RST                            (1 << 23)
+#define   DISP_DVO_ENABLE_RST                          (1 << 24)
+#define   TV_ENABLE_RST                                (1 << 25)
+#define   AUTO_PWRUP_EN                                (1 << 26)
 
 #endif
diff --git a/drivers/gpu/drm/radeon/r500_reg.h b/drivers/gpu/drm/radeon/r500_reg.h
index 0cf2ad2a558..f5adf42a9d1 100644
--- a/drivers/gpu/drm/radeon/r500_reg.h
+++ b/drivers/gpu/drm/radeon/r500_reg.h
@@ -347,6 +347,7 @@
 
 #define AVIVO_D1CRTC_CONTROL                                    0x6080
 #       define AVIVO_CRTC_EN                                    (1 << 0)
+#       define AVIVO_CRTC_DISP_READ_REQUEST_DISABLE             (1 << 24)
 #define AVIVO_D1CRTC_BLANK_CONTROL                              0x6084
 #define AVIVO_D1CRTC_INTERLACE_CONTROL                          0x6088
 #define AVIVO_D1CRTC_INTERLACE_STATUS                           0x608c
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 4f7f318b543..38f75f54019 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -304,6 +304,11 @@ void r600_set_power_state(struct radeon_device *rdev)
 		DRM_INFO("GUI not idle!!!\n");
 }
 
+void r600_pm_misc(struct radeon_device *rdev)
+{
+
+}
+
 bool r600_gui_idle(struct radeon_device *rdev)
 {
 	if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 5ffb29597af..16f0ea78ea9 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -815,6 +815,9 @@ struct radeon_asic {
 	bool (*gui_idle)(struct radeon_device *rdev);
 	void (*get_power_state)(struct radeon_device *rdev, enum radeon_pm_action action);
 	void (*set_power_state)(struct radeon_device *rdev);
+	void (*pm_misc)(struct radeon_device *rdev);
+	void (*pm_prepare)(struct radeon_device *rdev);
+	void (*pm_finish)(struct radeon_device *rdev);
 };
 
 /*
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 1053115ba65..1e6f17bf54f 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -168,6 +168,9 @@ static struct radeon_asic r100_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &r100_pm_misc,
+	.pm_prepare = &r100_pm_prepare,
+	.pm_finish = &r100_pm_finish,
 };
 
 static struct radeon_asic r200_asic = {
@@ -209,6 +212,9 @@ static struct radeon_asic r200_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &r100_pm_misc,
+	.pm_prepare = &r100_pm_prepare,
+	.pm_finish = &r100_pm_finish,
 };
 
 static struct radeon_asic r300_asic = {
@@ -251,6 +257,9 @@ static struct radeon_asic r300_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &r100_pm_misc,
+	.pm_prepare = &r100_pm_prepare,
+	.pm_finish = &r100_pm_finish,
 };
 
 static struct radeon_asic r300_asic_pcie = {
@@ -292,6 +301,9 @@ static struct radeon_asic r300_asic_pcie = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &r100_pm_misc,
+	.pm_prepare = &r100_pm_prepare,
+	.pm_finish = &r100_pm_finish,
 };
 
 static struct radeon_asic r420_asic = {
@@ -334,6 +346,9 @@ static struct radeon_asic r420_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &r100_pm_misc,
+	.pm_prepare = &r100_pm_prepare,
+	.pm_finish = &r100_pm_finish,
 };
 
 static struct radeon_asic rs400_asic = {
@@ -376,6 +391,9 @@ static struct radeon_asic rs400_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &r100_pm_misc,
+	.pm_prepare = &r100_pm_prepare,
+	.pm_finish = &r100_pm_finish,
 };
 
 static struct radeon_asic rs600_asic = {
@@ -418,6 +436,9 @@ static struct radeon_asic rs600_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &rs600_pm_misc,
+	.pm_prepare = &rs600_pm_prepare,
+	.pm_finish = &rs600_pm_finish,
 };
 
 static struct radeon_asic rs690_asic = {
@@ -460,6 +481,9 @@ static struct radeon_asic rs690_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &rs600_pm_misc,
+	.pm_prepare = &rs600_pm_prepare,
+	.pm_finish = &rs600_pm_finish,
 };
 
 static struct radeon_asic rv515_asic = {
@@ -502,6 +526,9 @@ static struct radeon_asic rv515_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &rs600_pm_misc,
+	.pm_prepare = &rs600_pm_prepare,
+	.pm_finish = &rs600_pm_finish,
 };
 
 static struct radeon_asic r520_asic = {
@@ -544,6 +571,9 @@ static struct radeon_asic r520_asic = {
 	.gui_idle = &r100_gui_idle,
 	.get_power_state = &r100_get_power_state,
 	.set_power_state = &r100_set_power_state,
+	.pm_misc = &rs600_pm_misc,
+	.pm_prepare = &rs600_pm_prepare,
+	.pm_finish = &rs600_pm_finish,
 };
 
 static struct radeon_asic r600_asic = {
@@ -585,6 +615,9 @@ static struct radeon_asic r600_asic = {
 	.gui_idle = &r600_gui_idle,
 	.get_power_state = &r600_get_power_state,
 	.set_power_state = &r600_set_power_state,
+	.pm_misc = &r600_pm_misc,
+	.pm_prepare = &rs600_pm_prepare,
+	.pm_finish = &rs600_pm_finish,
 };
 
 static struct radeon_asic rs780_asic = {
@@ -626,6 +659,9 @@ static struct radeon_asic rs780_asic = {
 	.gui_idle = &r600_gui_idle,
 	.get_power_state = &r600_get_power_state,
 	.set_power_state = &r600_set_power_state,
+	.pm_misc = &r600_pm_misc,
+	.pm_prepare = &rs600_pm_prepare,
+	.pm_finish = &rs600_pm_finish,
 };
 
 static struct radeon_asic rv770_asic = {
@@ -667,6 +703,9 @@ static struct radeon_asic rv770_asic = {
 	.gui_idle = &r600_gui_idle,
 	.get_power_state = &r600_get_power_state,
 	.set_power_state = &r600_set_power_state,
+	.pm_misc = &rv770_pm_misc,
+	.pm_prepare = &rs600_pm_prepare,
+	.pm_finish = &rs600_pm_finish,
 };
 
 static struct radeon_asic evergreen_asic = {
@@ -706,6 +745,9 @@ static struct radeon_asic evergreen_asic = {
 	.gui_idle = &r600_gui_idle,
 	.get_power_state = &r600_get_power_state,
 	.set_power_state = &r600_set_power_state,
+	.pm_misc = &evergreen_pm_misc,
+	.pm_prepare = &evergreen_pm_prepare,
+	.pm_finish = &evergreen_pm_finish,
 };
 
 int radeon_asic_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 71b21bb4e5f..378db67ba2d 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -130,6 +130,9 @@ extern bool r100_gui_idle(struct radeon_device *rdev);
 extern void r100_set_power_state(struct radeon_device *rdev);
 extern void r100_get_power_state(struct radeon_device *rdev,
 				 enum radeon_pm_action action);
+extern void r100_pm_misc(struct radeon_device *rdev);
+extern void r100_pm_prepare(struct radeon_device *rdev);
+extern void r100_pm_finish(struct radeon_device *rdev);
 
 /*
  * r200,rv250,rs300,rv280
@@ -201,6 +204,9 @@ void rs600_hpd_fini(struct radeon_device *rdev);
 bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
 void rs600_hpd_set_polarity(struct radeon_device *rdev,
 			    enum radeon_hpd_id hpd);
+extern void rs600_pm_misc(struct radeon_device *rdev);
+extern void rs600_pm_prepare(struct radeon_device *rdev);
+extern void rs600_pm_finish(struct radeon_device *rdev);
 
 /*
  * rs690,rs740
@@ -278,6 +284,7 @@ extern bool r600_gui_idle(struct radeon_device *rdev);
 extern void r600_set_power_state(struct radeon_device *rdev);
 extern void r600_get_power_state(struct radeon_device *rdev,
 				 enum radeon_pm_action action);
+extern void r600_pm_misc(struct radeon_device *rdev);
 
 /*
  * rv770,rv730,rv710,rv740
@@ -286,6 +293,7 @@ int rv770_init(struct radeon_device *rdev);
 void rv770_fini(struct radeon_device *rdev);
 int rv770_suspend(struct radeon_device *rdev);
 int rv770_resume(struct radeon_device *rdev);
+extern void rv770_pm_misc(struct radeon_device *rdev);
 
 /*
  * evergreen
@@ -306,5 +314,8 @@ void evergreen_hpd_set_polarity(struct radeon_device *rdev,
 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc);
 int evergreen_irq_set(struct radeon_device *rdev);
 int evergreen_irq_process(struct radeon_device *rdev);
+extern void evergreen_pm_misc(struct radeon_device *rdev);
+extern void evergreen_pm_prepare(struct radeon_device *rdev);
+extern void evergreen_pm_finish(struct radeon_device *rdev);
 
 #endif
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index b312b72d76c..c3890b76a1c 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -46,6 +46,129 @@
 void rs600_gpu_init(struct radeon_device *rdev);
 int rs600_mc_wait_for_idle(struct radeon_device *rdev);
 
+void rs600_pm_misc(struct radeon_device *rdev)
+{
+#if 0
+	int requested_index = rdev->pm.requested_power_state_index;
+	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
+	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
+	u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
+	u32 hdp_dyn_cntl, mc_host_dyn_cntl;
+
+	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
+		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+			tmp = RREG32(voltage->gpio.reg);
+			if (voltage->active_high)
+				tmp |= voltage->gpio.mask;
+			else
+				tmp &= ~(voltage->gpio.mask);
+			WREG32(voltage->gpio.reg, tmp);
+			if (voltage->delay)
+				udelay(voltage->delay);
+		} else {
+			tmp = RREG32(voltage->gpio.reg);
+			if (voltage->active_high)
+				tmp &= ~voltage->gpio.mask;
+			else
+				tmp |= voltage->gpio.mask;
+			WREG32(voltage->gpio.reg, tmp);
+			if (voltage->delay)
+				udelay(voltage->delay);
+		}
+	}
+
+	dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
+	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
+	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
+	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
+		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
+			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
+			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
+		} else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
+			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
+			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
+		}
+	} else {
+		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
+		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
+	}
+	WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
+
+	dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
+	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
+		dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
+		if (voltage->delay) {
+			dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
+			dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
+		} else
+			dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
+	} else
+		dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
+	WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
+
+	hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
+	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
+		hdp_dyn_cntl &= ~HDP_FORCEON;
+	else
+		hdp_dyn_cntl |= HDP_FORCEON;
+	WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
+
+	mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
+	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
+		mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
+	else
+		mc_host_dyn_cntl |= MC_HOST_FORCEON;
+	WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
+
+	/* set pcie lanes */
+	if ((rdev->flags & RADEON_IS_PCIE) &&
+	    !(rdev->flags & RADEON_IS_IGP) &&
+	    rdev->asic->set_pcie_lanes &&
+	    (ps->pcie_lanes !=
+	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
+		radeon_set_pcie_lanes(rdev,
+				      ps->pcie_lanes);
+		DRM_INFO("Setting: p: %d\n", ps->pcie_lanes);
+	}
+#endif
+}
+
+void rs600_pm_prepare(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 tmp;
+
+	/* disable any active CRTCs */
+	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
+			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
+			tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
+			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
+		}
+	}
+}
+
+void rs600_pm_finish(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 tmp;
+
+	/* enable any active CRTCs */
+	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
+			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
+			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
+			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
+		}
+	}
+}
+
 /* hpd for digital panel detect/disconnect */
 bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 {
diff --git a/drivers/gpu/drm/radeon/rs600d.h b/drivers/gpu/drm/radeon/rs600d.h
index 08c4bebd301..8f624342927 100644
--- a/drivers/gpu/drm/radeon/rs600d.h
+++ b/drivers/gpu/drm/radeon/rs600d.h
@@ -634,4 +634,36 @@
 #define   G_006D4C_D2MODE_PRIORITY_B_FORCE_MASK(x)     (((x) >> 24) & 0x1)
 #define   C_006D4C_D2MODE_PRIORITY_B_FORCE_MASK        0xFEFFFFFF
 
+/* PLL regs */
+#define GENERAL_PWRMGT                                 0x8
+#define   GLOBAL_PWRMGT_EN                             (1 << 0)
+#define   MOBILE_SU                                    (1 << 2)
+#define DYN_PWRMGT_SCLK_LENGTH                         0xc
+#define   NORMAL_POWER_SCLK_HILEN(x)                   ((x) << 0)
+#define   NORMAL_POWER_SCLK_LOLEN(x)                   ((x) << 4)
+#define   REDUCED_POWER_SCLK_HILEN(x)                  ((x) << 8)
+#define   REDUCED_POWER_SCLK_LOLEN(x)                  ((x) << 12)
+#define   POWER_D1_SCLK_HILEN(x)                       ((x) << 16)
+#define   POWER_D1_SCLK_LOLEN(x)                       ((x) << 20)
+#define   STATIC_SCREEN_HILEN(x)                       ((x) << 24)
+#define   STATIC_SCREEN_LOLEN(x)                       ((x) << 28)
+#define DYN_SCLK_VOL_CNTL                              0xe
+#define   IO_CG_VOLTAGE_DROP                           (1 << 0)
+#define   VOLTAGE_DROP_SYNC                            (1 << 2)
+#define   VOLTAGE_DELAY_SEL(x)                         ((x) << 3)
+#define HDP_DYN_CNTL                                   0x10
+#define   HDP_FORCEON                                  (1 << 0)
+#define MC_HOST_DYN_CNTL                               0x1e
+#define   MC_HOST_FORCEON                              (1 << 0)
+
+/* mmreg */
+#define DOUT_POWER_MANAGEMENT_CNTL                     0x7ee0
+#define   PWRDN_WAIT_BUSY_OFF                          (1 << 0)
+#define   PWRDN_WAIT_PWRSEQ_OFF                        (1 << 4)
+#define   PWRDN_WAIT_PPLL_OFF                          (1 << 8)
+#define   PWRUP_WAIT_PPLL_ON                           (1 << 12)
+#define   PWRUP_WAIT_MEM_INIT_DONE                     (1 << 16)
+#define   PM_ASSERT_RESET                              (1 << 20)
+#define   PM_PWRDN_PPLL                                (1 << 24)
+
 #endif
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index a74683e1861..7c55182a9dd 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -42,6 +42,10 @@
 static void rv770_gpu_init(struct radeon_device *rdev);
 void rv770_fini(struct radeon_device *rdev);
 
+void rv770_pm_misc(struct radeon_device *rdev)
+{
+
+}
 
 /*
  * GART

From a424816fb37f894a37585cf86dfdd6b8b1dc681f Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Sat, 24 Apr 2010 14:50:23 -0400
Subject: [PATCH 1948/3638] drm/radeon/kms/pm: rework power management

Add two new sysfs attributes:
- dynpm
- power_state

Echoing 0/1 to dynpm disables/enables dynamic power management.
The driver scales the sclk dynamically based on the number of
queued fences.  dynpm only scales sclk dynamically in single head
mode.

Echoing x.y to power_state selects a static power state (x) and clock
mode (y).  This allows you to statically select a power state and clock
mode.  Selecting a static clock mode will disable dynpm.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r100.c        |  66 ++++++++-----
 drivers/gpu/drm/radeon/r600.c        |  69 +++++++------
 drivers/gpu/drm/radeon/radeon.h      |   7 +-
 drivers/gpu/drm/radeon/radeon_asic.h |   4 +-
 drivers/gpu/drm/radeon/radeon_pm.c   | 139 ++++++++++++++++++++++++++-
 5 files changed, 229 insertions(+), 56 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 2106ac66eb3..7675827c3a8 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -145,7 +145,7 @@ void r100_get_power_state(struct radeon_device *rdev,
 		 pcie_lanes);
 }
 
-void r100_set_power_state(struct radeon_device *rdev)
+void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 {
 	u32 sclk, mclk;
 
@@ -167,33 +167,51 @@ void r100_set_power_state(struct radeon_device *rdev)
 		if (rdev->pm.active_crtc_count > 1)
 			mclk = rdev->clock.default_mclk;
 
-		/* set pcie lanes */
-		/* TODO */
+		/* voltage, pcie lanes, etc.*/
+		radeon_pm_misc(rdev);
 
-		/* set voltage */
-		/* TODO */
-
-		/* set engine clock */
-		if (sclk != rdev->pm.current_sclk) {
-			radeon_sync_with_vblank(rdev);
-			radeon_pm_debug_check_in_vbl(rdev, false);
-			radeon_set_engine_clock(rdev, sclk);
-			radeon_pm_debug_check_in_vbl(rdev, true);
-			rdev->pm.current_sclk = sclk;
-			DRM_INFO("Setting: e: %d\n", sclk);
-		}
+		if (static_switch) {
+			radeon_pm_prepare(rdev);
+			/* set engine clock */
+			if (sclk != rdev->pm.current_sclk) {
+				radeon_set_engine_clock(rdev, sclk);
+				rdev->pm.current_sclk = sclk;
+				DRM_INFO("Setting: e: %d\n", sclk);
+			}
+#if 0
+			/* set memory clock */
+			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+				radeon_set_memory_clock(rdev, mclk);
+				rdev->pm.current_mclk = mclk;
+				DRM_INFO("Setting: m: %d\n", mclk);
+			}
+#endif
+			radeon_pm_finish(rdev);
+		} else {
+			/* set engine clock */
+			if (sclk != rdev->pm.current_sclk) {
+				radeon_sync_with_vblank(rdev);
+				radeon_pm_debug_check_in_vbl(rdev, false);
+				radeon_set_engine_clock(rdev, sclk);
+				radeon_pm_debug_check_in_vbl(rdev, true);
+				rdev->pm.current_sclk = sclk;
+				DRM_INFO("Setting: e: %d\n", sclk);
+			}
 
 #if 0
-		/* set memory clock */
-		if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-			radeon_sync_with_vblank(rdev);
-			radeon_pm_debug_check_in_vbl(rdev, false);
-			radeon_set_memory_clock(rdev, mclk);
-			radeon_pm_debug_check_in_vbl(rdev, true);
-			rdev->pm.current_mclk = mclk;
-			DRM_INFO("Setting: m: %d\n", mclk);
-		}
+			/* set memory clock */
+			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+				radeon_sync_with_vblank(rdev);
+				radeon_pm_debug_check_in_vbl(rdev, false);
+				radeon_pm_prepare(rdev);
+				radeon_set_memory_clock(rdev, mclk);
+				radeon_pm_finish(rdev);
+				radeon_pm_debug_check_in_vbl(rdev, true);
+				rdev->pm.current_mclk = mclk;
+				DRM_INFO("Setting: m: %d\n", mclk);
+			}
 #endif
+		}
 
 		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
 		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 38f75f54019..46913099406 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -247,7 +247,7 @@ void r600_get_power_state(struct radeon_device *rdev,
 		 pcie_lanes);
 }
 
-void r600_set_power_state(struct radeon_device *rdev)
+void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
 {
 	u32 sclk, mclk;
 
@@ -266,37 +266,52 @@ void r600_set_power_state(struct radeon_device *rdev)
 			clock_info[rdev->pm.requested_clock_mode_index].mclk;
 		if (mclk > rdev->clock.default_mclk)
 			mclk = rdev->clock.default_mclk;
-		/* don't change the mclk with multiple crtcs */
-		if (rdev->pm.active_crtc_count > 1)
-			mclk = rdev->clock.default_mclk;
 
-		/* set pcie lanes */
-		/* TODO */
+		/* voltage, pcie lanes, etc.*/
+		radeon_pm_misc(rdev);
 
-		/* set voltage */
-		/* TODO */
-
-		/* set engine clock */
-		if (sclk != rdev->pm.current_sclk) {
-			radeon_sync_with_vblank(rdev);
-			radeon_pm_debug_check_in_vbl(rdev, false);
-			radeon_set_engine_clock(rdev, sclk);
-			radeon_pm_debug_check_in_vbl(rdev, true);
-			rdev->pm.current_sclk = sclk;
-			DRM_INFO("Setting: e: %d\n", sclk);
-		}
+		if (static_switch) {
+			radeon_pm_prepare(rdev);
+			/* set engine clock */
+			if (sclk != rdev->pm.current_sclk) {
+				radeon_set_engine_clock(rdev, sclk);
+				rdev->pm.current_sclk = sclk;
+				DRM_INFO("Setting: e: %d\n", sclk);
+			}
+#if 0
+			/* set memory clock */
+			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+				radeon_set_memory_clock(rdev, mclk);
+				rdev->pm.current_mclk = mclk;
+				DRM_INFO("Setting: m: %d\n", mclk);
+			}
+#endif
+			radeon_pm_finish(rdev);
+		} else {
+			/* set engine clock */
+			if (sclk != rdev->pm.current_sclk) {
+				radeon_sync_with_vblank(rdev);
+				radeon_pm_debug_check_in_vbl(rdev, false);
+				radeon_set_engine_clock(rdev, sclk);
+				radeon_pm_debug_check_in_vbl(rdev, true);
+				rdev->pm.current_sclk = sclk;
+				DRM_INFO("Setting: e: %d\n", sclk);
+			}
 
 #if 0
-		/* set memory clock */
-		if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-			radeon_sync_with_vblank(rdev);
-			radeon_pm_debug_check_in_vbl(rdev, false);
-			radeon_set_memory_clock(rdev, mclk);
-			radeon_pm_debug_check_in_vbl(rdev, true);
-			rdev->pm.current_mclk = mclk;
-			DRM_INFO("Setting: m: %d\n", mclk);
-		}
+			/* set memory clock */
+			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+				radeon_sync_with_vblank(rdev);
+				radeon_pm_debug_check_in_vbl(rdev, false);
+				radeon_pm_prepare(rdev);
+				radeon_set_memory_clock(rdev, mclk);
+				radeon_pm_finish(rdev);
+				radeon_pm_debug_check_in_vbl(rdev, true);
+				rdev->pm.current_mclk = mclk;
+				DRM_INFO("Setting: m: %d\n", mclk);
+			}
 #endif
+		}
 
 		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
 		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 16f0ea78ea9..cdcf5eaf671 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -814,7 +814,7 @@ struct radeon_asic {
 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
 	bool (*gui_idle)(struct radeon_device *rdev);
 	void (*get_power_state)(struct radeon_device *rdev, enum radeon_pm_action action);
-	void (*set_power_state)(struct radeon_device *rdev);
+	void (*set_power_state)(struct radeon_device *rdev, bool static_switch);
 	void (*pm_misc)(struct radeon_device *rdev);
 	void (*pm_prepare)(struct radeon_device *rdev);
 	void (*pm_finish)(struct radeon_device *rdev);
@@ -1226,7 +1226,10 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
 #define radeon_get_power_state(rdev, a) (rdev)->asic->get_power_state((rdev), (a))
-#define radeon_set_power_state(rdev) (rdev)->asic->set_power_state((rdev))
+#define radeon_set_power_state(rdev, s) (rdev)->asic->set_power_state((rdev), (s))
+#define radeon_pm_misc(rdev) (rdev)->asic->pm_misc((rdev))
+#define radeon_pm_prepare(rdev) (rdev)->asic->pm_prepare((rdev))
+#define radeon_pm_finish(rdev) (rdev)->asic->pm_finish((rdev))
 
 /* Common functions */
 /* AGP */
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 378db67ba2d..8a127862999 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -127,7 +127,7 @@ void r100_enable_bm(struct radeon_device *rdev);
 void r100_set_common_regs(struct radeon_device *rdev);
 void r100_bm_disable(struct radeon_device *rdev);
 extern bool r100_gui_idle(struct radeon_device *rdev);
-extern void r100_set_power_state(struct radeon_device *rdev);
+extern void r100_set_power_state(struct radeon_device *rdev, bool static_switch);
 extern void r100_get_power_state(struct radeon_device *rdev,
 				 enum radeon_pm_action action);
 extern void r100_pm_misc(struct radeon_device *rdev);
@@ -281,7 +281,7 @@ void r600_hpd_set_polarity(struct radeon_device *rdev,
 			   enum radeon_hpd_id hpd);
 extern void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo);
 extern bool r600_gui_idle(struct radeon_device *rdev);
-extern void r600_set_power_state(struct radeon_device *rdev);
+extern void r600_set_power_state(struct radeon_device *rdev, bool static_switch);
 extern void r600_get_power_state(struct radeon_device *rdev,
 				 enum radeon_pm_action action);
 extern void r600_pm_misc(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 23b79ebce6c..c703ae326bc 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -34,6 +34,128 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev);
 static void radeon_pm_idle_work_handler(struct work_struct *work);
 static int radeon_debugfs_pm_init(struct radeon_device *rdev);
 
+static void radeon_pm_set_power_mode_static_locked(struct radeon_device *rdev)
+{
+	mutex_lock(&rdev->cp.mutex);
+
+	/* wait for GPU idle */
+	rdev->pm.gui_idle = false;
+	rdev->irq.gui_idle = true;
+	radeon_irq_set(rdev);
+	wait_event_interruptible_timeout(
+		rdev->irq.idle_queue, rdev->pm.gui_idle,
+		msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
+	rdev->irq.gui_idle = false;
+	radeon_irq_set(rdev);
+
+	radeon_set_power_state(rdev, true);
+
+	/* update display watermarks based on new power state */
+	radeon_update_bandwidth_info(rdev);
+	if (rdev->pm.active_crtc_count)
+		radeon_bandwidth_update(rdev);
+
+	mutex_unlock(&rdev->cp.mutex);
+}
+
+static ssize_t radeon_get_power_state_static(struct device *dev,
+					     struct device_attribute *attr,
+					     char *buf)
+{
+	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct radeon_device *rdev = ddev->dev_private;
+
+	return snprintf(buf, PAGE_SIZE, "%d.%d\n", rdev->pm.current_power_state_index,
+			rdev->pm.current_clock_mode_index);
+}
+
+static ssize_t radeon_set_power_state_static(struct device *dev,
+					     struct device_attribute *attr,
+					     const char *buf,
+					     size_t count)
+{
+	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct radeon_device *rdev = ddev->dev_private;
+	int ps, cm;
+
+	if (sscanf(buf, "%u.%u", &ps, &cm) != 2) {
+		DRM_ERROR("Invalid power state!\n");
+		return count;
+	}
+
+	mutex_lock(&rdev->pm.mutex);
+	if ((ps >= 0) && (ps < rdev->pm.num_power_states) &&
+	    (cm >= 0) && (cm < rdev->pm.power_state[ps].num_clock_modes)) {
+		if ((rdev->pm.active_crtc_count > 1) &&
+		    (rdev->pm.power_state[ps].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)) {
+			DRM_ERROR("Invalid power state for multi-head: %d.%d\n", ps, cm);
+		} else {
+			/* disable dynpm */
+			rdev->pm.state = PM_STATE_DISABLED;
+			rdev->pm.planned_action = PM_ACTION_NONE;
+			rdev->pm.requested_power_state_index = ps;
+			rdev->pm.requested_clock_mode_index = cm;
+			radeon_pm_set_power_mode_static_locked(rdev);
+		}
+	} else
+		DRM_ERROR("Invalid power state: %d.%d\n\n", ps, cm);
+	mutex_unlock(&rdev->pm.mutex);
+
+	return count;
+}
+
+static ssize_t radeon_get_dynpm(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
+{
+	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct radeon_device *rdev = ddev->dev_private;
+
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			(rdev->pm.state == PM_STATE_DISABLED) ? "disabled" : "enabled");
+}
+
+static ssize_t radeon_set_dynpm(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf,
+				size_t count)
+{
+	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct radeon_device *rdev = ddev->dev_private;
+	int tmp = simple_strtoul(buf, NULL, 10);
+
+	if (tmp == 0) {
+		/* update power mode info */
+		radeon_pm_compute_clocks(rdev);
+		/* disable dynpm */
+		mutex_lock(&rdev->pm.mutex);
+		rdev->pm.state = PM_STATE_DISABLED;
+		rdev->pm.planned_action = PM_ACTION_NONE;
+		mutex_unlock(&rdev->pm.mutex);
+		DRM_INFO("radeon: dynamic power management disabled\n");
+	} else if (tmp == 1) {
+		if (rdev->pm.num_power_states > 1) {
+			/* enable dynpm */
+			mutex_lock(&rdev->pm.mutex);
+			rdev->pm.state = PM_STATE_PAUSED;
+			rdev->pm.planned_action = PM_ACTION_DEFAULT;
+			radeon_get_power_state(rdev, rdev->pm.planned_action);
+			mutex_unlock(&rdev->pm.mutex);
+			/* update power mode info */
+			radeon_pm_compute_clocks(rdev);
+			DRM_INFO("radeon: dynamic power management enabled\n");
+		} else
+			DRM_ERROR("dynpm not valid on this system\n");
+	} else
+		DRM_ERROR("Invalid setting: %d\n", tmp);
+
+	return count;
+}
+
+static DEVICE_ATTR(power_state, S_IRUGO | S_IWUSR, radeon_get_power_state_static, radeon_set_power_state_static);
+static DEVICE_ATTR(dynpm, S_IRUGO | S_IWUSR, radeon_get_dynpm, radeon_set_dynpm);
+
+
 static const char *pm_state_names[4] = {
 	"PM_STATE_DISABLED",
 	"PM_STATE_MINIMUM",
@@ -111,6 +233,10 @@ int radeon_pm_init(struct radeon_device *rdev)
 		DRM_ERROR("Failed to register debugfs file for PM!\n");
 	}
 
+	/* where's the best place to put this? */
+	device_create_file(rdev->dev, &dev_attr_power_state);
+	device_create_file(rdev->dev, &dev_attr_dynpm);
+
 	INIT_DELAYED_WORK(&rdev->pm.idle_work, radeon_pm_idle_work_handler);
 
 	if ((radeon_dynpm != -1 && radeon_dynpm) && (rdev->pm.num_power_states > 1)) {
@@ -132,8 +258,19 @@ void radeon_pm_fini(struct radeon_device *rdev)
 		rdev->pm.state = PM_STATE_DISABLED;
 		rdev->pm.planned_action = PM_ACTION_DEFAULT;
 		radeon_pm_set_clocks(rdev);
+	} else if ((rdev->pm.current_power_state_index !=
+		    rdev->pm.default_power_state_index) ||
+		   (rdev->pm.current_clock_mode_index != 0)) {
+		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+		rdev->pm.requested_clock_mode_index = 0;
+		mutex_lock(&rdev->pm.mutex);
+		radeon_pm_set_power_mode_static_locked(rdev);
+		mutex_unlock(&rdev->pm.mutex);
 	}
 
+	device_remove_file(rdev->dev, &dev_attr_power_state);
+	device_remove_file(rdev->dev, &dev_attr_dynpm);
+
 	if (rdev->pm.i2c_bus)
 		radeon_i2c_destroy(rdev->pm.i2c_bus);
 }
@@ -267,7 +404,7 @@ static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)
 {
 	/*radeon_fence_wait_last(rdev);*/
 
-	radeon_set_power_state(rdev);
+	radeon_set_power_state(rdev, false);
 	rdev->pm.planned_action = PM_ACTION_NONE;
 }
 

From 2aba631c008e7d82e3ec45dd32bec1ea63a963cf Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Mon, 26 Apr 2010 15:45:23 -0400
Subject: [PATCH 1949/3638] radeon: Unify PM entry paths

There's a moderate amount of effort involved in setting the card up for
clock transitions, so unify the codepaths to make it easier to implement.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 88 +++++++++++-------------------
 1 file changed, 31 insertions(+), 57 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index c703ae326bc..a61de1f9ff6 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -29,13 +29,13 @@
 #define RADEON_WAIT_VBLANK_TIMEOUT 200
 #define RADEON_WAIT_IDLE_TIMEOUT 200
 
-static void radeon_pm_set_clocks_locked(struct radeon_device *rdev);
-static void radeon_pm_set_clocks(struct radeon_device *rdev);
 static void radeon_pm_idle_work_handler(struct work_struct *work);
 static int radeon_debugfs_pm_init(struct radeon_device *rdev);
 
-static void radeon_pm_set_power_mode_static_locked(struct radeon_device *rdev)
+static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 {
+	int i;
+
 	mutex_lock(&rdev->cp.mutex);
 
 	/* wait for GPU idle */
@@ -48,13 +48,33 @@ static void radeon_pm_set_power_mode_static_locked(struct radeon_device *rdev)
 	rdev->irq.gui_idle = false;
 	radeon_irq_set(rdev);
 
-	radeon_set_power_state(rdev, true);
+	if (!static_switch) {
+		for (i = 0; i < rdev->num_crtc; i++) {
+			if (rdev->pm.active_crtcs & (1 << i)) {
+				rdev->pm.req_vblank |= (1 << i);
+				drm_vblank_get(rdev->ddev, i);
+			}
+		}
+	}
+	
+	radeon_set_power_state(rdev, static_switch);
 
+	if (!static_switch) {
+		for (i = 0; i < rdev->num_crtc; i++) {
+			if (rdev->pm.req_vblank & (1 << i)) {
+				rdev->pm.req_vblank &= ~(1 << i);
+				drm_vblank_put(rdev->ddev, i);
+			}
+		}
+	}
+	
 	/* update display watermarks based on new power state */
 	radeon_update_bandwidth_info(rdev);
 	if (rdev->pm.active_crtc_count)
 		radeon_bandwidth_update(rdev);
 
+	rdev->pm.planned_action = PM_ACTION_NONE;
+
 	mutex_unlock(&rdev->cp.mutex);
 }
 
@@ -95,7 +115,7 @@ static ssize_t radeon_set_power_state_static(struct device *dev,
 			rdev->pm.planned_action = PM_ACTION_NONE;
 			rdev->pm.requested_power_state_index = ps;
 			rdev->pm.requested_clock_mode_index = cm;
-			radeon_pm_set_power_mode_static_locked(rdev);
+			radeon_pm_set_clocks(rdev, true);
 		}
 	} else
 		DRM_ERROR("Invalid power state: %d.%d\n\n", ps, cm);
@@ -257,14 +277,14 @@ void radeon_pm_fini(struct radeon_device *rdev)
 		/* reset default clocks */
 		rdev->pm.state = PM_STATE_DISABLED;
 		rdev->pm.planned_action = PM_ACTION_DEFAULT;
-		radeon_pm_set_clocks(rdev);
+		radeon_pm_set_clocks(rdev, false);
 	} else if ((rdev->pm.current_power_state_index !=
 		    rdev->pm.default_power_state_index) ||
 		   (rdev->pm.current_clock_mode_index != 0)) {
 		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 		rdev->pm.requested_clock_mode_index = 0;
 		mutex_lock(&rdev->pm.mutex);
-		radeon_pm_set_power_mode_static_locked(rdev);
+		radeon_pm_set_clocks(rdev, true);
 		mutex_unlock(&rdev->pm.mutex);
 	}
 
@@ -303,7 +323,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 
 			rdev->pm.state = PM_STATE_PAUSED;
 			rdev->pm.planned_action = PM_ACTION_UPCLOCK;
-			radeon_pm_set_clocks(rdev);
+			radeon_pm_set_clocks(rdev, false);
 
 			DRM_DEBUG("radeon: dynamic power management deactivated\n");
 		}
@@ -313,7 +333,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 		if (rdev->pm.state == PM_STATE_MINIMUM) {
 			rdev->pm.state = PM_STATE_ACTIVE;
 			rdev->pm.planned_action = PM_ACTION_UPCLOCK;
-			radeon_pm_set_clocks(rdev);
+			radeon_pm_set_clocks(rdev, false);
 
 			queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
 				msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
@@ -329,7 +349,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 
 			rdev->pm.state = PM_STATE_MINIMUM;
 			rdev->pm.planned_action = PM_ACTION_MINIMUM;
-			radeon_pm_set_clocks(rdev);
+			radeon_pm_set_clocks(rdev, false);
 		}
 	}
 
@@ -400,52 +420,6 @@ bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
 			 finish ? "exit" : "entry");
 	return in_vbl;
 }
-static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)
-{
-	/*radeon_fence_wait_last(rdev);*/
-
-	radeon_set_power_state(rdev, false);
-	rdev->pm.planned_action = PM_ACTION_NONE;
-}
-
-static void radeon_pm_set_clocks(struct radeon_device *rdev)
-{
-	int i;
-
-	radeon_get_power_state(rdev, rdev->pm.planned_action);
-	mutex_lock(&rdev->cp.mutex);
-
-	/* wait for GPU idle */
-	rdev->pm.gui_idle = false;
-	rdev->irq.gui_idle = true;
-	radeon_irq_set(rdev);
-	wait_event_interruptible_timeout(
-		rdev->irq.idle_queue, rdev->pm.gui_idle,
-		msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
-	rdev->irq.gui_idle = false;
-	radeon_irq_set(rdev);
-
-	for (i = 0; i < rdev->num_crtc; i++) {
-		if (rdev->pm.active_crtcs & (1 << i)) {
-			rdev->pm.req_vblank |= (1 << i);
-			drm_vblank_get(rdev->ddev, i);
-		}
-	}
-	radeon_pm_set_clocks_locked(rdev);
-	for (i = 0; i < rdev->num_crtc; i++) {
-		if (rdev->pm.req_vblank & (1 << i)) {
-			rdev->pm.req_vblank &= ~(1 << i);
-			drm_vblank_put(rdev->ddev, i);
-		}
-	}
-
-	/* update display watermarks based on new power state */
-	radeon_update_bandwidth_info(rdev);
-	if (rdev->pm.active_crtc_count)
-		radeon_bandwidth_update(rdev);
-
-	mutex_unlock(&rdev->cp.mutex);
-}
 
 static void radeon_pm_idle_work_handler(struct work_struct *work)
 {
@@ -493,7 +467,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 
 		if (rdev->pm.planned_action != PM_ACTION_NONE &&
 		    jiffies > rdev->pm.action_timeout) {
-			radeon_pm_set_clocks(rdev);
+			radeon_pm_set_clocks(rdev, false);
 		}
 	}
 	mutex_unlock(&rdev->pm.mutex);

From 5876dd249e8e47c730cac090bf6edd88e5f04327 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Mon, 26 Apr 2010 15:52:20 -0400
Subject: [PATCH 1950/3638] radeon: Unmap vram pages when reclocking

Touching vram while the card is reclocking can lead to lockups. Unmap
any pages that could be touched by the CPU and block any accesses to
vram until the reclocking is complete.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon.h        |  1 +
 drivers/gpu/drm/radeon/radeon_device.c |  1 +
 drivers/gpu/drm/radeon/radeon_object.c |  4 ++++
 drivers/gpu/drm/radeon/radeon_pm.c     | 28 ++++++++++++++++++++++++++
 drivers/gpu/drm/radeon/radeon_ttm.c    |  6 +++++-
 5 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index cdcf5eaf671..bed84b316bb 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1024,6 +1024,7 @@ struct radeon_device {
 	struct work_struct hotplug_work;
 	int num_crtc; /* number of crtcs */
 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
+	struct mutex vram_mutex;
 
 	/* audio stuff */
 	struct timer_list	audio_timer;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 53a2c27dd8f..0372ec96020 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -599,6 +599,7 @@ int radeon_device_init(struct radeon_device *rdev,
 		spin_lock_init(&rdev->ih.lock);
 	mutex_init(&rdev->gem.mutex);
 	mutex_init(&rdev->pm.mutex);
+	mutex_init(&rdev->vram_mutex);
 	rwlock_init(&rdev->fence_drv.lock);
 	INIT_LIST_HEAD(&rdev->gem.objects);
 	init_waitqueue_head(&rdev->irq.vblank_queue);
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 6a8617bac14..06def708b01 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -112,9 +112,11 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj,
 
 	radeon_ttm_placement_from_domain(bo, domain);
 	/* Kernel allocation are uninterruptible */
+	mutex_lock(&rdev->vram_mutex);
 	r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
 			&bo->placement, 0, 0, !kernel, NULL, size,
 			&radeon_ttm_bo_destroy);
+	mutex_unlock(&rdev->vram_mutex);
 	if (unlikely(r != 0)) {
 		if (r != -ERESTARTSYS)
 			dev_err(rdev->dev,
@@ -170,7 +172,9 @@ void radeon_bo_unref(struct radeon_bo **bo)
 	if ((*bo) == NULL)
 		return;
 	tbo = &((*bo)->tbo);
+	mutex_lock(&(*bo)->rdev->vram_mutex);
 	ttm_bo_unref(&tbo);
+	mutex_unlock(&(*bo)->rdev->vram_mutex);
 	if (tbo == NULL)
 		*bo = NULL;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index a61de1f9ff6..da35bd7f38d 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -32,6 +32,28 @@
 static void radeon_pm_idle_work_handler(struct work_struct *work);
 static int radeon_debugfs_pm_init(struct radeon_device *rdev);
 
+static void radeon_unmap_vram_bos(struct radeon_device *rdev)
+{
+	struct radeon_bo *bo, *n;
+
+	if (list_empty(&rdev->gem.objects))
+		return;
+
+	list_for_each_entry_safe(bo, n, &rdev->gem.objects, list) {
+		if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
+			ttm_bo_unmap_virtual(&bo->tbo);
+	}
+
+	if (rdev->gart.table.vram.robj)
+		ttm_bo_unmap_virtual(&rdev->gart.table.vram.robj->tbo);
+
+	if (rdev->stollen_vga_memory)
+		ttm_bo_unmap_virtual(&rdev->stollen_vga_memory->tbo);
+
+	if (rdev->r600_blit.shader_obj)
+		ttm_bo_unmap_virtual(&rdev->r600_blit.shader_obj->tbo);
+}
+
 static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 {
 	int i;
@@ -48,6 +70,10 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 	rdev->irq.gui_idle = false;
 	radeon_irq_set(rdev);
 
+	mutex_lock(&rdev->vram_mutex);
+
+	radeon_unmap_vram_bos(rdev);
+
 	if (!static_switch) {
 		for (i = 0; i < rdev->num_crtc; i++) {
 			if (rdev->pm.active_crtcs & (1 << i)) {
@@ -67,6 +93,8 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 			}
 		}
 	}
+
+	mutex_unlock(&rdev->vram_mutex);
 	
 	/* update display watermarks based on new power state */
 	radeon_update_bandwidth_info(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index af98f45954b..3aa3a65800a 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -607,13 +607,17 @@ static const struct vm_operations_struct *ttm_vm_ops = NULL;
 static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct ttm_buffer_object *bo;
+	struct radeon_device *rdev;
 	int r;
 
-	bo = (struct ttm_buffer_object *)vma->vm_private_data;
+	bo = (struct ttm_buffer_object *)vma->vm_private_data;	
 	if (bo == NULL) {
 		return VM_FAULT_NOPAGE;
 	}
+	rdev = radeon_get_rdev(bo->bdev);
+	mutex_lock(&rdev->vram_mutex);
 	r = ttm_vm_ops->fault(vma, vmf);
+	mutex_unlock(&rdev->vram_mutex);
 	return r;
 }
 

From 8f5b5e632cd55d9acf10ba498b858fd996bd1a39 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Mon, 26 Apr 2010 15:57:01 -0400
Subject: [PATCH 1951/3638] radeon: Take drm struct_mutex over reclocking

We need to block the drm core from doing anything that may touch our vram
during reclock, so take the drm mutex for the duration.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index da35bd7f38d..c9390ea56f9 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -131,6 +131,7 @@ static ssize_t radeon_set_power_state_static(struct device *dev,
 		return count;
 	}
 
+	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->pm.mutex);
 	if ((ps >= 0) && (ps < rdev->pm.num_power_states) &&
 	    (cm >= 0) && (cm < rdev->pm.power_state[ps].num_clock_modes)) {
@@ -148,6 +149,7 @@ static ssize_t radeon_set_power_state_static(struct device *dev,
 	} else
 		DRM_ERROR("Invalid power state: %d.%d\n\n", ps, cm);
 	mutex_unlock(&rdev->pm.mutex);
+	mutex_unlock(&rdev->ddev->struct_mutex);
 
 	return count;
 }
@@ -184,11 +186,13 @@ static ssize_t radeon_set_dynpm(struct device *dev,
 	} else if (tmp == 1) {
 		if (rdev->pm.num_power_states > 1) {
 			/* enable dynpm */
+			mutex_lock(&rdev->ddev->struct_mutex);
 			mutex_lock(&rdev->pm.mutex);
 			rdev->pm.state = PM_STATE_PAUSED;
 			rdev->pm.planned_action = PM_ACTION_DEFAULT;
 			radeon_get_power_state(rdev, rdev->pm.planned_action);
 			mutex_unlock(&rdev->pm.mutex);
+			mutex_unlock(&rdev->ddev->struct_mutex);
 			/* update power mode info */
 			radeon_pm_compute_clocks(rdev);
 			DRM_INFO("radeon: dynamic power management enabled\n");
@@ -311,9 +315,11 @@ void radeon_pm_fini(struct radeon_device *rdev)
 		   (rdev->pm.current_clock_mode_index != 0)) {
 		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 		rdev->pm.requested_clock_mode_index = 0;
+		mutex_lock(&rdev->ddev->struct_mutex);
 		mutex_lock(&rdev->pm.mutex);
 		radeon_pm_set_clocks(rdev, true);
 		mutex_unlock(&rdev->pm.mutex);
+		mutex_unlock(&rdev->ddev->struct_mutex);
 	}
 
 	device_remove_file(rdev->dev, &dev_attr_power_state);
@@ -332,6 +338,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	if (rdev->pm.state == PM_STATE_DISABLED)
 		return;
 
+	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->pm.mutex);
 
 	rdev->pm.active_crtcs = 0;
@@ -382,6 +389,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	}
 
 	mutex_unlock(&rdev->pm.mutex);
+	mutex_unlock(&rdev->ddev->struct_mutex);
 }
 
 bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
@@ -455,6 +463,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 	rdev = container_of(work, struct radeon_device,
 				pm.idle_work.work);
 
+	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->pm.mutex);
 	if (rdev->pm.state == PM_STATE_ACTIVE) {
 		unsigned long irq_flags;
@@ -499,6 +508,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 		}
 	}
 	mutex_unlock(&rdev->pm.mutex);
+	mutex_unlock(&rdev->ddev->struct_mutex);
 
 	queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
 					msecs_to_jiffies(RADEON_IDLE_LOOP_MS));

From 7c5ee5366f79f53de2a11e73953daee6d58df124 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Mon, 26 Apr 2010 16:00:09 -0400
Subject: [PATCH 1952/3638] ttm: Provide an API for starting and stopping the
 delayed workqueue

We want to be able to prevent the delayed workqueue from changing state
while we're reclocking, so add an API to block and unblock it.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 14 ++++++++++++++
 include/drm/ttm/ttm_bo_api.h | 17 +++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 3b5b094b139..4c2299299ab 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -604,6 +604,20 @@ void ttm_bo_unref(struct ttm_buffer_object **p_bo)
 }
 EXPORT_SYMBOL(ttm_bo_unref);
 
+int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev)
+{
+	return cancel_delayed_work_sync(&bdev->wq);
+}
+EXPORT_SYMBOL(ttm_bo_lock_delayed_workqueue);
+
+void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched)
+{
+	if (resched)
+		schedule_delayed_work(&bdev->wq,
+				      ((HZ / 100) < 1) ? 1 : HZ / 100);
+}
+EXPORT_SYMBOL(ttm_bo_unlock_delayed_workqueue);
+
 static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
 			bool no_wait_reserve, bool no_wait_gpu)
 {
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 3e273e0b941..267a86c74e2 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -361,6 +361,23 @@ extern int ttm_bo_validate(struct ttm_buffer_object *bo,
  */
 extern void ttm_bo_unref(struct ttm_buffer_object **bo);
 
+/**
+ * ttm_bo_lock_delayed_workqueue
+ *
+ * Prevent the delayed workqueue from running.
+ * Returns
+ * True if the workqueue was queued at the time
+ */
+extern int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev);
+
+/**
+ * ttm_bo_unlock_delayed_workqueue
+ *
+ * Allows the delayed workqueue to run.
+ */
+extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev,
+					    int resched);
+
 /**
  * ttm_bo_synccpu_write_grab
  *

From d9932a3241cc6a9629d6586ec362583cb77d7a29 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Mon, 26 Apr 2010 16:02:26 -0400
Subject: [PATCH 1953/3638] radeon: Stop the ttm workqueue while reclocking

The ttm bo workqueue may touch objects while we're reclocking, so make
sure it's blocked until we're done.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index c9390ea56f9..79d3336eede 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -460,9 +460,11 @@ bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
 static void radeon_pm_idle_work_handler(struct work_struct *work)
 {
 	struct radeon_device *rdev;
+	int resched;
 	rdev = container_of(work, struct radeon_device,
 				pm.idle_work.work);
 
+	resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
 	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->pm.mutex);
 	if (rdev->pm.state == PM_STATE_ACTIVE) {
@@ -509,6 +511,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 	}
 	mutex_unlock(&rdev->pm.mutex);
 	mutex_unlock(&rdev->ddev->struct_mutex);
+	ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
 
 	queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
 					msecs_to_jiffies(RADEON_IDLE_LOOP_MS));

From 956ac86d9277b7142f0ad3f24f7fbd4beed0777d Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Mon, 26 Apr 2010 17:01:16 -0400
Subject: [PATCH 1954/3638] radeon: Enable memory reclockong on r600

With luck, dynamic memory reclocking on r600 should be stable with
the previous patches. Enable it.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r600.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 46913099406..1696cc277d8 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -271,26 +271,27 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
 		radeon_pm_misc(rdev);
 
 		if (static_switch) {
-			radeon_pm_prepare(rdev);
+
 			/* set engine clock */
 			if (sclk != rdev->pm.current_sclk) {
 				radeon_set_engine_clock(rdev, sclk);
 				rdev->pm.current_sclk = sclk;
 				DRM_INFO("Setting: e: %d\n", sclk);
 			}
-#if 0
+
 			/* set memory clock */
 			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+				radeon_pm_prepare(rdev);
 				radeon_set_memory_clock(rdev, mclk);
+				radeon_pm_finish(rdev);
 				rdev->pm.current_mclk = mclk;
 				DRM_INFO("Setting: m: %d\n", mclk);
 			}
-#endif
-			radeon_pm_finish(rdev);
+
 		} else {
-			/* set engine clock */
+			radeon_sync_with_vblank(rdev);
+
 			if (sclk != rdev->pm.current_sclk) {
-				radeon_sync_with_vblank(rdev);
 				radeon_pm_debug_check_in_vbl(rdev, false);
 				radeon_set_engine_clock(rdev, sclk);
 				radeon_pm_debug_check_in_vbl(rdev, true);
@@ -298,10 +299,8 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
 				DRM_INFO("Setting: e: %d\n", sclk);
 			}
 
-#if 0
 			/* set memory clock */
 			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-				radeon_sync_with_vblank(rdev);
 				radeon_pm_debug_check_in_vbl(rdev, false);
 				radeon_pm_prepare(rdev);
 				radeon_set_memory_clock(rdev, mclk);
@@ -310,7 +309,6 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
 				rdev->pm.current_mclk = mclk;
 				DRM_INFO("Setting: m: %d\n", mclk);
 			}
-#endif
 		}
 
 		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;

From c37d230af450472183e70947f8e2aa8101a96603 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Tue, 27 Apr 2010 13:58:46 -0400
Subject: [PATCH 1955/3638] radeon: Make sure that we determine the correct PM
 state before transition

We need to choose the correct PM state to transition into before starting
the actual change. Call radeon_get_power_state() at the top of the clock
setting to do so.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 79d3336eede..7cc54c804cb 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -58,6 +58,9 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 {
 	int i;
 
+	if (!static_switch)
+		radeon_get_power_state(rdev, rdev->pm.planned_action);
+
 	mutex_lock(&rdev->cp.mutex);
 
 	/* wait for GPU idle */

From 612e06ce9c78840c3a1a207dfbe489a059d87c28 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Tue, 27 Apr 2010 17:16:58 -0400
Subject: [PATCH 1956/3638] radeon: Fix locking in power management paths

The ttm code could take vram_mutex followed by cp_mutex, while the
reclocking code would do the reverse. Hilarity could ensue.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 7cc54c804cb..134b19537d1 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -61,6 +61,8 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 	if (!static_switch)
 		radeon_get_power_state(rdev, rdev->pm.planned_action);
 
+	mutex_lock(&rdev->ddev->struct_mutex);
+	mutex_lock(&rdev->vram_mutex);
 	mutex_lock(&rdev->cp.mutex);
 
 	/* wait for GPU idle */
@@ -73,8 +75,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 	rdev->irq.gui_idle = false;
 	radeon_irq_set(rdev);
 
-	mutex_lock(&rdev->vram_mutex);
-
 	radeon_unmap_vram_bos(rdev);
 
 	if (!static_switch) {
@@ -97,8 +97,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 		}
 	}
 
-	mutex_unlock(&rdev->vram_mutex);
-	
 	/* update display watermarks based on new power state */
 	radeon_update_bandwidth_info(rdev);
 	if (rdev->pm.active_crtc_count)
@@ -107,6 +105,8 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 	rdev->pm.planned_action = PM_ACTION_NONE;
 
 	mutex_unlock(&rdev->cp.mutex);
+	mutex_unlock(&rdev->vram_mutex);
+	mutex_unlock(&rdev->ddev->struct_mutex);
 }
 
 static ssize_t radeon_get_power_state_static(struct device *dev,
@@ -134,7 +134,6 @@ static ssize_t radeon_set_power_state_static(struct device *dev,
 		return count;
 	}
 
-	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->pm.mutex);
 	if ((ps >= 0) && (ps < rdev->pm.num_power_states) &&
 	    (cm >= 0) && (cm < rdev->pm.power_state[ps].num_clock_modes)) {
@@ -152,7 +151,6 @@ static ssize_t radeon_set_power_state_static(struct device *dev,
 	} else
 		DRM_ERROR("Invalid power state: %d.%d\n\n", ps, cm);
 	mutex_unlock(&rdev->pm.mutex);
-	mutex_unlock(&rdev->ddev->struct_mutex);
 
 	return count;
 }
@@ -189,13 +187,11 @@ static ssize_t radeon_set_dynpm(struct device *dev,
 	} else if (tmp == 1) {
 		if (rdev->pm.num_power_states > 1) {
 			/* enable dynpm */
-			mutex_lock(&rdev->ddev->struct_mutex);
 			mutex_lock(&rdev->pm.mutex);
 			rdev->pm.state = PM_STATE_PAUSED;
 			rdev->pm.planned_action = PM_ACTION_DEFAULT;
 			radeon_get_power_state(rdev, rdev->pm.planned_action);
 			mutex_unlock(&rdev->pm.mutex);
-			mutex_unlock(&rdev->ddev->struct_mutex);
 			/* update power mode info */
 			radeon_pm_compute_clocks(rdev);
 			DRM_INFO("radeon: dynamic power management enabled\n");
@@ -318,11 +314,9 @@ void radeon_pm_fini(struct radeon_device *rdev)
 		   (rdev->pm.current_clock_mode_index != 0)) {
 		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 		rdev->pm.requested_clock_mode_index = 0;
-		mutex_lock(&rdev->ddev->struct_mutex);
 		mutex_lock(&rdev->pm.mutex);
 		radeon_pm_set_clocks(rdev, true);
 		mutex_unlock(&rdev->pm.mutex);
-		mutex_unlock(&rdev->ddev->struct_mutex);
 	}
 
 	device_remove_file(rdev->dev, &dev_attr_power_state);
@@ -341,7 +335,6 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	if (rdev->pm.state == PM_STATE_DISABLED)
 		return;
 
-	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->pm.mutex);
 
 	rdev->pm.active_crtcs = 0;
@@ -392,7 +385,6 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	}
 
 	mutex_unlock(&rdev->pm.mutex);
-	mutex_unlock(&rdev->ddev->struct_mutex);
 }
 
 bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
@@ -468,7 +460,6 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 				pm.idle_work.work);
 
 	resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
-	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->pm.mutex);
 	if (rdev->pm.state == PM_STATE_ACTIVE) {
 		unsigned long irq_flags;
@@ -513,7 +504,6 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 		}
 	}
 	mutex_unlock(&rdev->pm.mutex);
-	mutex_unlock(&rdev->ddev->struct_mutex);
 	ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
 
 	queue_delayed_work(rdev->wq, &rdev->pm.idle_work,

From f81f202402640c27b38e1452dcb4d3e447043f48 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 28 Apr 2010 12:13:06 -0400
Subject: [PATCH 1957/3638] radeon: Try harder to ensure we reclock in vblank

The vblank interrupt on r600 doesn't seem to be especially reliable, so
perform some sanity checks before the actual reclock.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r500_reg.h  |  2 ++
 drivers/gpu/drm/radeon/r600.c      | 26 ++++++++++++++++++++++++++
 drivers/gpu/drm/radeon/radeon.h    |  1 +
 drivers/gpu/drm/radeon/radeon_pm.c | 11 ++++++++++-
 4 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/r500_reg.h b/drivers/gpu/drm/radeon/r500_reg.h
index f5adf42a9d1..93c9a2bbccf 100644
--- a/drivers/gpu/drm/radeon/r500_reg.h
+++ b/drivers/gpu/drm/radeon/r500_reg.h
@@ -351,6 +351,7 @@
 #define AVIVO_D1CRTC_BLANK_CONTROL                              0x6084
 #define AVIVO_D1CRTC_INTERLACE_CONTROL                          0x6088
 #define AVIVO_D1CRTC_INTERLACE_STATUS                           0x608c
+#define AVIVO_D1CRTC_STATUS_POSITION                            0x60a0
 #define AVIVO_D1CRTC_FRAME_COUNT                                0x60a4
 #define AVIVO_D1CRTC_STEREO_CONTROL                             0x60c4
 
@@ -489,6 +490,7 @@
 #define AVIVO_D2CRTC_BLANK_CONTROL                              0x6884
 #define AVIVO_D2CRTC_INTERLACE_CONTROL                          0x6888
 #define AVIVO_D2CRTC_INTERLACE_STATUS                           0x688c
+#define AVIVO_D2CRTC_STATUS_POSITION                            0x68a0
 #define AVIVO_D2CRTC_FRAME_COUNT                                0x68a4
 #define AVIVO_D2CRTC_STEREO_CONTROL                             0x68c4
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 1696cc277d8..d3a79e0a912 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -289,8 +289,34 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
 			}
 
 		} else {
+			u32 position;
+			u32 vbl;
+
 			radeon_sync_with_vblank(rdev);
 
+			if (!radeon_pm_in_vbl(rdev))
+				return;
+
+			if (rdev->pm.active_crtcs & (1 << 0)) {
+				vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END);
+				position = RREG32(AVIVO_D1CRTC_STATUS_POSITION);
+				position &= 0xfff;
+				vbl &= 0xfff;
+
+				if (position < vbl && position > 1)
+					return;
+			}
+
+			if (rdev->pm.active_crtcs & (1 << 1)) {
+				vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END);
+				position = RREG32(AVIVO_D2CRTC_STATUS_POSITION);
+				position &= 0xfff;
+				vbl &= 0xfff;
+
+				if (position < vbl && position > 1)
+					return;
+			}
+
 			if (sclk != rdev->pm.current_sclk) {
 				radeon_pm_debug_check_in_vbl(rdev, false);
 				radeon_set_engine_clock(rdev, sclk);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index bed84b316bb..93ac88eb6b3 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -175,6 +175,7 @@ void radeon_pm_fini(struct radeon_device *rdev);
 void radeon_pm_compute_clocks(struct radeon_device *rdev);
 void radeon_combios_get_power_modes(struct radeon_device *rdev);
 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
+bool radeon_pm_in_vbl(struct radeon_device *rdev);
 bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
 void radeon_sync_with_vblank(struct radeon_device *rdev);
 
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 134b19537d1..88163e043fc 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -387,7 +387,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	mutex_unlock(&rdev->pm.mutex);
 }
 
-bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
+bool radeon_pm_in_vbl(struct radeon_device *rdev)
 {
 	u32 stat_crtc = 0;
 	bool in_vbl = true;
@@ -446,6 +446,15 @@ bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
 				in_vbl = false;
 		}
 	}
+
+	return in_vbl;
+}
+
+bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
+{
+	u32 stat_crtc = 0;
+	bool in_vbl = radeon_pm_in_vbl(rdev);
+
 	if (in_vbl == false)
 		DRM_INFO("not in vbl for pm change %08x at %s\n", stat_crtc,
 			 finish ? "exit" : "entry");

From 15a7df8db84e7a9d9915d879199ac4a870836c54 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 28 Apr 2010 14:45:05 -0400
Subject: [PATCH 1958/3638] radeon: Enable memory reclocking on r100-500

This seems to be relatively stable now, so enable it for these chipsets
too.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r100.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 7675827c3a8..87c4ffaf545 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -188,9 +188,13 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 #endif
 			radeon_pm_finish(rdev);
 		} else {
+			radeon_sync_with_vblank(rdev);
+
+			if (!radeon_pm_in_vbl(rdev))
+				return;
+
 			/* set engine clock */
 			if (sclk != rdev->pm.current_sclk) {
-				radeon_sync_with_vblank(rdev);
 				radeon_pm_debug_check_in_vbl(rdev, false);
 				radeon_set_engine_clock(rdev, sclk);
 				radeon_pm_debug_check_in_vbl(rdev, true);
@@ -198,10 +202,8 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 				DRM_INFO("Setting: e: %d\n", sclk);
 			}
 
-#if 0
 			/* set memory clock */
 			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-				radeon_sync_with_vblank(rdev);
 				radeon_pm_debug_check_in_vbl(rdev, false);
 				radeon_pm_prepare(rdev);
 				radeon_set_memory_clock(rdev, mclk);
@@ -210,7 +212,6 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 				rdev->pm.current_mclk = mclk;
 				DRM_INFO("Setting: m: %d\n", mclk);
 			}
-#endif
 		}
 
 		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;

From 68adac5e49436992e9c999fbae879d9ac5b72d4e Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 28 Apr 2010 11:46:42 +1000
Subject: [PATCH 1959/3638] drm: move radeon_fixed.h to shared drm_fixed.h
 header

Will be used by nouveau driver also in the near future.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c        |   2 +-
 drivers/gpu/drm/radeon/r100.c                 | 194 ++++++------
 drivers/gpu/drm/radeon/radeon_device.c        |  24 +-
 drivers/gpu/drm/radeon/radeon_display.c       |  68 ++---
 drivers/gpu/drm/radeon/radeon_legacy_crtc.c   |   2 +-
 drivers/gpu/drm/radeon/radeon_mode.h          |   2 +-
 drivers/gpu/drm/radeon/rs690.c                | 278 +++++++++---------
 drivers/gpu/drm/radeon/rv515.c                | 186 ++++++------
 .../radeon_fixed.h => include/drm/drm_fixed.h |  40 +--
 9 files changed, 398 insertions(+), 398 deletions(-)
 rename drivers/gpu/drm/radeon/radeon_fixed.h => include/drm/drm_fixed.h (60%)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index b11aa37ed6d..4151ad8affe 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -26,7 +26,7 @@
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/radeon_drm.h>
-#include "radeon_fixed.h"
+#include <drm/drm_fixed.h>
 #include "radeon.h"
 #include "atom.h"
 #include "atom-bits.h"
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 87c4ffaf545..a5f11c300f6 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2686,53 +2686,53 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
 	uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
 	fixed20_12 memtcas_ff[8] = {
-		fixed_init(1),
-		fixed_init(2),
-		fixed_init(3),
-		fixed_init(0),
-		fixed_init_half(1),
-		fixed_init_half(2),
-		fixed_init(0),
+		dfixed_init(1),
+		dfixed_init(2),
+		dfixed_init(3),
+		dfixed_init(0),
+		dfixed_init_half(1),
+		dfixed_init_half(2),
+		dfixed_init(0),
 	};
 	fixed20_12 memtcas_rs480_ff[8] = {
-		fixed_init(0),
-		fixed_init(1),
-		fixed_init(2),
-		fixed_init(3),
-		fixed_init(0),
-		fixed_init_half(1),
-		fixed_init_half(2),
-		fixed_init_half(3),
+		dfixed_init(0),
+		dfixed_init(1),
+		dfixed_init(2),
+		dfixed_init(3),
+		dfixed_init(0),
+		dfixed_init_half(1),
+		dfixed_init_half(2),
+		dfixed_init_half(3),
 	};
 	fixed20_12 memtcas2_ff[8] = {
-		fixed_init(0),
-		fixed_init(1),
-		fixed_init(2),
-		fixed_init(3),
-		fixed_init(4),
-		fixed_init(5),
-		fixed_init(6),
-		fixed_init(7),
+		dfixed_init(0),
+		dfixed_init(1),
+		dfixed_init(2),
+		dfixed_init(3),
+		dfixed_init(4),
+		dfixed_init(5),
+		dfixed_init(6),
+		dfixed_init(7),
 	};
 	fixed20_12 memtrbs[8] = {
-		fixed_init(1),
-		fixed_init_half(1),
-		fixed_init(2),
-		fixed_init_half(2),
-		fixed_init(3),
-		fixed_init_half(3),
-		fixed_init(4),
-		fixed_init_half(4)
+		dfixed_init(1),
+		dfixed_init_half(1),
+		dfixed_init(2),
+		dfixed_init_half(2),
+		dfixed_init(3),
+		dfixed_init_half(3),
+		dfixed_init(4),
+		dfixed_init_half(4)
 	};
 	fixed20_12 memtrbs_r4xx[8] = {
-		fixed_init(4),
-		fixed_init(5),
-		fixed_init(6),
-		fixed_init(7),
-		fixed_init(8),
-		fixed_init(9),
-		fixed_init(10),
-		fixed_init(11)
+		dfixed_init(4),
+		dfixed_init(5),
+		dfixed_init(6),
+		dfixed_init(7),
+		dfixed_init(8),
+		dfixed_init(9),
+		dfixed_init(10),
+		dfixed_init(11)
 	};
 	fixed20_12 min_mem_eff;
 	fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
@@ -2763,7 +2763,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		}
 	}
 
-	min_mem_eff.full = rfixed_const_8(0);
+	min_mem_eff.full = dfixed_const_8(0);
 	/* get modes */
 	if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
 		uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
@@ -2784,28 +2784,28 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	mclk_ff = rdev->pm.mclk;
 
 	temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
-	temp_ff.full = rfixed_const(temp);
-	mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
+	temp_ff.full = dfixed_const(temp);
+	mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
 
 	pix_clk.full = 0;
 	pix_clk2.full = 0;
 	peak_disp_bw.full = 0;
 	if (mode1) {
-		temp_ff.full = rfixed_const(1000);
-		pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
-		pix_clk.full = rfixed_div(pix_clk, temp_ff);
-		temp_ff.full = rfixed_const(pixel_bytes1);
-		peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
+		temp_ff.full = dfixed_const(1000);
+		pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
+		pix_clk.full = dfixed_div(pix_clk, temp_ff);
+		temp_ff.full = dfixed_const(pixel_bytes1);
+		peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
 	}
 	if (mode2) {
-		temp_ff.full = rfixed_const(1000);
-		pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
-		pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
-		temp_ff.full = rfixed_const(pixel_bytes2);
-		peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
+		temp_ff.full = dfixed_const(1000);
+		pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
+		pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
+		temp_ff.full = dfixed_const(pixel_bytes2);
+		peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
 	}
 
-	mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
+	mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
 	if (peak_disp_bw.full >= mem_bw.full) {
 		DRM_ERROR("You may not have enough display bandwidth for current mode\n"
 			  "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
@@ -2847,9 +2847,9 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		mem_tras = ((temp >> 12) & 0xf) + 4;
 	}
 	/* convert to FF */
-	trcd_ff.full = rfixed_const(mem_trcd);
-	trp_ff.full = rfixed_const(mem_trp);
-	tras_ff.full = rfixed_const(mem_tras);
+	trcd_ff.full = dfixed_const(mem_trcd);
+	trp_ff.full = dfixed_const(mem_trp);
+	tras_ff.full = dfixed_const(mem_tras);
 
 	/* Get values from the MEM_SDRAM_MODE_REG register...converting its */
 	temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
@@ -2867,7 +2867,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		/* extra cas latency stored in bits 23-25 0-4 clocks */
 		data = (temp >> 23) & 0x7;
 		if (data < 5)
-			tcas_ff.full += rfixed_const(data);
+			tcas_ff.full += dfixed_const(data);
 	}
 
 	if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
@@ -2904,72 +2904,72 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 
 	if (rdev->flags & RADEON_IS_AGP) {
 		fixed20_12 agpmode_ff;
-		agpmode_ff.full = rfixed_const(radeon_agpmode);
-		temp_ff.full = rfixed_const_666(16);
-		sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
+		agpmode_ff.full = dfixed_const(radeon_agpmode);
+		temp_ff.full = dfixed_const_666(16);
+		sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
 	}
 	/* TODO PCIE lanes may affect this - agpmode == 16?? */
 
 	if (ASIC_IS_R300(rdev)) {
-		sclk_delay_ff.full = rfixed_const(250);
+		sclk_delay_ff.full = dfixed_const(250);
 	} else {
 		if ((rdev->family == CHIP_RV100) ||
 		    rdev->flags & RADEON_IS_IGP) {
 			if (rdev->mc.vram_is_ddr)
-				sclk_delay_ff.full = rfixed_const(41);
+				sclk_delay_ff.full = dfixed_const(41);
 			else
-				sclk_delay_ff.full = rfixed_const(33);
+				sclk_delay_ff.full = dfixed_const(33);
 		} else {
 			if (rdev->mc.vram_width == 128)
-				sclk_delay_ff.full = rfixed_const(57);
+				sclk_delay_ff.full = dfixed_const(57);
 			else
-				sclk_delay_ff.full = rfixed_const(41);
+				sclk_delay_ff.full = dfixed_const(41);
 		}
 	}
 
-	mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
+	mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
 
 	if (rdev->mc.vram_is_ddr) {
 		if (rdev->mc.vram_width == 32) {
-			k1.full = rfixed_const(40);
+			k1.full = dfixed_const(40);
 			c  = 3;
 		} else {
-			k1.full = rfixed_const(20);
+			k1.full = dfixed_const(20);
 			c  = 1;
 		}
 	} else {
-		k1.full = rfixed_const(40);
+		k1.full = dfixed_const(40);
 		c  = 3;
 	}
 
-	temp_ff.full = rfixed_const(2);
-	mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
-	temp_ff.full = rfixed_const(c);
-	mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
-	temp_ff.full = rfixed_const(4);
-	mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
-	mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
+	temp_ff.full = dfixed_const(2);
+	mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
+	temp_ff.full = dfixed_const(c);
+	mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
+	temp_ff.full = dfixed_const(4);
+	mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
+	mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
 	mc_latency_mclk.full += k1.full;
 
-	mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
-	mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
+	mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
+	mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
 
 	/*
 	  HW cursor time assuming worst case of full size colour cursor.
 	*/
-	temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
+	temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
 	temp_ff.full += trcd_ff.full;
 	if (temp_ff.full < tras_ff.full)
 		temp_ff.full = tras_ff.full;
-	cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
+	cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
 
-	temp_ff.full = rfixed_const(cur_size);
-	cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
+	temp_ff.full = dfixed_const(cur_size);
+	cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
 	/*
 	  Find the total latency for the display data.
 	*/
-	disp_latency_overhead.full = rfixed_const(8);
-	disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
+	disp_latency_overhead.full = dfixed_const(8);
+	disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
 	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
 	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
 
@@ -2997,16 +2997,16 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		/*
 		  Find the drain rate of the display buffer.
 		*/
-		temp_ff.full = rfixed_const((16/pixel_bytes1));
-		disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
+		temp_ff.full = dfixed_const((16/pixel_bytes1));
+		disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
 
 		/*
 		  Find the critical point of the display buffer.
 		*/
-		crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
-		crit_point_ff.full += rfixed_const_half(0);
+		crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
+		crit_point_ff.full += dfixed_const_half(0);
 
-		critical_point = rfixed_trunc(crit_point_ff);
+		critical_point = dfixed_trunc(crit_point_ff);
 
 		if (rdev->disp_priority == 2) {
 			critical_point = 0;
@@ -3077,8 +3077,8 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		/*
 		  Find the drain rate of the display buffer.
 		*/
-		temp_ff.full = rfixed_const((16/pixel_bytes2));
-		disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
+		temp_ff.full = dfixed_const((16/pixel_bytes2));
+		disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
 
 		grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
 		grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
@@ -3099,8 +3099,8 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 			critical_point2 = 0;
 		else {
 			temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
-			temp_ff.full = rfixed_const(temp);
-			temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
+			temp_ff.full = dfixed_const(temp);
+			temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
 			if (sclk_ff.full < temp_ff.full)
 				temp_ff.full = sclk_ff.full;
 
@@ -3108,15 +3108,15 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 
 			if (mode1) {
 				temp_ff.full = read_return_rate.full - disp_drain_rate.full;
-				time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
+				time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
 			} else {
 				time_disp1_drop_priority.full = 0;
 			}
 			crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
-			crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
-			crit_point_ff.full += rfixed_const_half(0);
+			crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
+			crit_point_ff.full += dfixed_const_half(0);
 
-			critical_point2 = rfixed_trunc(crit_point_ff);
+			critical_point2 = dfixed_trunc(crit_point_ff);
 
 			if (rdev->disp_priority == 2) {
 				critical_point2 = 0;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 0372ec96020..e249da81dbf 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -299,24 +299,24 @@ void radeon_update_bandwidth_info(struct radeon_device *rdev)
 		sclk = radeon_get_engine_clock(rdev);
 		mclk = rdev->clock.default_mclk;
 
-		a.full = rfixed_const(100);
-		rdev->pm.sclk.full = rfixed_const(sclk);
-		rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
-		rdev->pm.mclk.full = rfixed_const(mclk);
-		rdev->pm.mclk.full = rfixed_div(rdev->pm.mclk, a);
+		a.full = dfixed_const(100);
+		rdev->pm.sclk.full = dfixed_const(sclk);
+		rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a);
+		rdev->pm.mclk.full = dfixed_const(mclk);
+		rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a);
 
-		a.full = rfixed_const(16);
+		a.full = dfixed_const(16);
 		/* core_bandwidth = sclk(Mhz) * 16 */
-		rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
+		rdev->pm.core_bandwidth.full = dfixed_div(rdev->pm.sclk, a);
 	} else {
 		sclk = radeon_get_engine_clock(rdev);
 		mclk = radeon_get_memory_clock(rdev);
 
-		a.full = rfixed_const(100);
-		rdev->pm.sclk.full = rfixed_const(sclk);
-		rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
-		rdev->pm.mclk.full = rfixed_const(mclk);
-		rdev->pm.mclk.full = rfixed_div(rdev->pm.mclk, a);
+		a.full = dfixed_const(100);
+		rdev->pm.sclk.full = dfixed_const(sclk);
+		rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a);
+		rdev->pm.mclk.full = dfixed_const(mclk);
+		rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a);
 	}
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index bc9cc9211e6..10d70540fc5 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -633,37 +633,37 @@ calc_fb_div(struct radeon_pll *pll,
 
 	vco_freq = freq * post_div;
 	/* feedback_divider = vco_freq * ref_div / pll->reference_freq; */
-	a.full = rfixed_const(pll->reference_freq);
-	feedback_divider.full = rfixed_const(vco_freq);
-	feedback_divider.full = rfixed_div(feedback_divider, a);
-	a.full = rfixed_const(ref_div);
-	feedback_divider.full = rfixed_mul(feedback_divider, a);
+	a.full = dfixed_const(pll->reference_freq);
+	feedback_divider.full = dfixed_const(vco_freq);
+	feedback_divider.full = dfixed_div(feedback_divider, a);
+	a.full = dfixed_const(ref_div);
+	feedback_divider.full = dfixed_mul(feedback_divider, a);
 
 	if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
 		/* feedback_divider = floor((feedback_divider * 10.0) + 0.5) * 0.1; */
-		a.full = rfixed_const(10);
-		feedback_divider.full = rfixed_mul(feedback_divider, a);
-		feedback_divider.full += rfixed_const_half(0);
-		feedback_divider.full = rfixed_floor(feedback_divider);
-		feedback_divider.full = rfixed_div(feedback_divider, a);
+		a.full = dfixed_const(10);
+		feedback_divider.full = dfixed_mul(feedback_divider, a);
+		feedback_divider.full += dfixed_const_half(0);
+		feedback_divider.full = dfixed_floor(feedback_divider);
+		feedback_divider.full = dfixed_div(feedback_divider, a);
 
 		/* *fb_div = floor(feedback_divider); */
-		a.full = rfixed_floor(feedback_divider);
-		*fb_div = rfixed_trunc(a);
+		a.full = dfixed_floor(feedback_divider);
+		*fb_div = dfixed_trunc(a);
 		/* *fb_div_frac = fmod(feedback_divider, 1.0) * 10.0; */
-		a.full = rfixed_const(10);
-		b.full = rfixed_mul(feedback_divider, a);
+		a.full = dfixed_const(10);
+		b.full = dfixed_mul(feedback_divider, a);
 
-		feedback_divider.full = rfixed_floor(feedback_divider);
-		feedback_divider.full = rfixed_mul(feedback_divider, a);
+		feedback_divider.full = dfixed_floor(feedback_divider);
+		feedback_divider.full = dfixed_mul(feedback_divider, a);
 		feedback_divider.full = b.full - feedback_divider.full;
-		*fb_div_frac = rfixed_trunc(feedback_divider);
+		*fb_div_frac = dfixed_trunc(feedback_divider);
 	} else {
 		/* *fb_div = floor(feedback_divider + 0.5); */
-		feedback_divider.full += rfixed_const_half(0);
-		feedback_divider.full = rfixed_floor(feedback_divider);
+		feedback_divider.full += dfixed_const_half(0);
+		feedback_divider.full = dfixed_floor(feedback_divider);
 
-		*fb_div = rfixed_trunc(feedback_divider);
+		*fb_div = dfixed_trunc(feedback_divider);
 		*fb_div_frac = 0;
 	}
 
@@ -693,10 +693,10 @@ calc_fb_ref_div(struct radeon_pll *pll,
 		pll_out_max = pll->pll_out_max;
 	}
 
-	ffreq.full = rfixed_const(freq);
+	ffreq.full = dfixed_const(freq);
 	/* max_error = ffreq * 0.0025; */
-	a.full = rfixed_const(400);
-	max_error.full = rfixed_div(ffreq, a);
+	a.full = dfixed_const(400);
+	max_error.full = dfixed_div(ffreq, a);
 
 	for ((*ref_div) = pll->min_ref_div; (*ref_div) < pll->max_ref_div; ++(*ref_div)) {
 		if (calc_fb_div(pll, freq, post_div, (*ref_div), fb_div, fb_div_frac)) {
@@ -707,9 +707,9 @@ calc_fb_ref_div(struct radeon_pll *pll,
 				continue;
 
 			/* pll_out = vco / post_div; */
-			a.full = rfixed_const(post_div);
-			pll_out.full = rfixed_const(vco);
-			pll_out.full = rfixed_div(pll_out, a);
+			a.full = dfixed_const(post_div);
+			pll_out.full = dfixed_const(vco);
+			pll_out.full = dfixed_div(pll_out, a);
 
 			if (pll_out.full >= ffreq.full) {
 				error.full = pll_out.full - ffreq.full;
@@ -1099,15 +1099,15 @@ bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
 	}
 	if (radeon_crtc->rmx_type != RMX_OFF) {
 		fixed20_12 a, b;
-		a.full = rfixed_const(crtc->mode.vdisplay);
-		b.full = rfixed_const(radeon_crtc->native_mode.hdisplay);
-		radeon_crtc->vsc.full = rfixed_div(a, b);
-		a.full = rfixed_const(crtc->mode.hdisplay);
-		b.full = rfixed_const(radeon_crtc->native_mode.vdisplay);
-		radeon_crtc->hsc.full = rfixed_div(a, b);
+		a.full = dfixed_const(crtc->mode.vdisplay);
+		b.full = dfixed_const(radeon_crtc->native_mode.hdisplay);
+		radeon_crtc->vsc.full = dfixed_div(a, b);
+		a.full = dfixed_const(crtc->mode.hdisplay);
+		b.full = dfixed_const(radeon_crtc->native_mode.vdisplay);
+		radeon_crtc->hsc.full = dfixed_div(a, b);
 	} else {
-		radeon_crtc->vsc.full = rfixed_const(1);
-		radeon_crtc->hsc.full = rfixed_const(1);
+		radeon_crtc->vsc.full = dfixed_const(1);
+		radeon_crtc->hsc.full = dfixed_const(1);
 	}
 	return true;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index f4f9cb297e3..7701d42c480 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -26,7 +26,7 @@
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/radeon_drm.h>
-#include "radeon_fixed.h"
+#include <drm/drm_fixed.h>
 #include "radeon.h"
 #include "atom.h"
 
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 061a2a6801c..38c0b63e9bb 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -34,10 +34,10 @@
 #include <drm_mode.h>
 #include <drm_edid.h>
 #include <drm_dp_helper.h>
+#include <drm_fixed.h>
 #include <linux/i2c.h>
 #include <linux/i2c-id.h>
 #include <linux/i2c-algo-bit.h>
-#include "radeon_fixed.h"
 
 struct radeon_bo;
 struct radeon_device;
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 56a0aec84af..e8edfe61728 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -76,59 +76,59 @@ void rs690_pm_info(struct radeon_device *rdev)
 		/* Get various system informations from bios */
 		switch (crev) {
 		case 1:
-			tmp.full = rfixed_const(100);
-			rdev->pm.igp_sideport_mclk.full = rfixed_const(info->info.ulBootUpMemoryClock);
-			rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
-			rdev->pm.igp_system_mclk.full = rfixed_const(le16_to_cpu(info->info.usK8MemoryClock));
-			rdev->pm.igp_ht_link_clk.full = rfixed_const(le16_to_cpu(info->info.usFSBClock));
-			rdev->pm.igp_ht_link_width.full = rfixed_const(info->info.ucHTLinkWidth);
+			tmp.full = dfixed_const(100);
+			rdev->pm.igp_sideport_mclk.full = dfixed_const(info->info.ulBootUpMemoryClock);
+			rdev->pm.igp_sideport_mclk.full = dfixed_div(rdev->pm.igp_sideport_mclk, tmp);
+			rdev->pm.igp_system_mclk.full = dfixed_const(le16_to_cpu(info->info.usK8MemoryClock));
+			rdev->pm.igp_ht_link_clk.full = dfixed_const(le16_to_cpu(info->info.usFSBClock));
+			rdev->pm.igp_ht_link_width.full = dfixed_const(info->info.ucHTLinkWidth);
 			break;
 		case 2:
-			tmp.full = rfixed_const(100);
-			rdev->pm.igp_sideport_mclk.full = rfixed_const(info->info_v2.ulBootUpSidePortClock);
-			rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
-			rdev->pm.igp_system_mclk.full = rfixed_const(info->info_v2.ulBootUpUMAClock);
-			rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
-			rdev->pm.igp_ht_link_clk.full = rfixed_const(info->info_v2.ulHTLinkFreq);
-			rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp);
-			rdev->pm.igp_ht_link_width.full = rfixed_const(le16_to_cpu(info->info_v2.usMinHTLinkWidth));
+			tmp.full = dfixed_const(100);
+			rdev->pm.igp_sideport_mclk.full = dfixed_const(info->info_v2.ulBootUpSidePortClock);
+			rdev->pm.igp_sideport_mclk.full = dfixed_div(rdev->pm.igp_sideport_mclk, tmp);
+			rdev->pm.igp_system_mclk.full = dfixed_const(info->info_v2.ulBootUpUMAClock);
+			rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp);
+			rdev->pm.igp_ht_link_clk.full = dfixed_const(info->info_v2.ulHTLinkFreq);
+			rdev->pm.igp_ht_link_clk.full = dfixed_div(rdev->pm.igp_ht_link_clk, tmp);
+			rdev->pm.igp_ht_link_width.full = dfixed_const(le16_to_cpu(info->info_v2.usMinHTLinkWidth));
 			break;
 		default:
-			tmp.full = rfixed_const(100);
+			tmp.full = dfixed_const(100);
 			/* We assume the slower possible clock ie worst case */
 			/* DDR 333Mhz */
-			rdev->pm.igp_sideport_mclk.full = rfixed_const(333);
+			rdev->pm.igp_sideport_mclk.full = dfixed_const(333);
 			/* FIXME: system clock ? */
-			rdev->pm.igp_system_mclk.full = rfixed_const(100);
-			rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
-			rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
-			rdev->pm.igp_ht_link_width.full = rfixed_const(8);
+			rdev->pm.igp_system_mclk.full = dfixed_const(100);
+			rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp);
+			rdev->pm.igp_ht_link_clk.full = dfixed_const(200);
+			rdev->pm.igp_ht_link_width.full = dfixed_const(8);
 			DRM_ERROR("No integrated system info for your GPU, using safe default\n");
 			break;
 		}
 	} else {
-		tmp.full = rfixed_const(100);
+		tmp.full = dfixed_const(100);
 		/* We assume the slower possible clock ie worst case */
 		/* DDR 333Mhz */
-		rdev->pm.igp_sideport_mclk.full = rfixed_const(333);
+		rdev->pm.igp_sideport_mclk.full = dfixed_const(333);
 		/* FIXME: system clock ? */
-		rdev->pm.igp_system_mclk.full = rfixed_const(100);
-		rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
-		rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
-		rdev->pm.igp_ht_link_width.full = rfixed_const(8);
+		rdev->pm.igp_system_mclk.full = dfixed_const(100);
+		rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp);
+		rdev->pm.igp_ht_link_clk.full = dfixed_const(200);
+		rdev->pm.igp_ht_link_width.full = dfixed_const(8);
 		DRM_ERROR("No integrated system info for your GPU, using safe default\n");
 	}
 	/* Compute various bandwidth */
 	/* k8_bandwidth = (memory_clk / 2) * 2 * 8 * 0.5 = memory_clk * 4  */
-	tmp.full = rfixed_const(4);
-	rdev->pm.k8_bandwidth.full = rfixed_mul(rdev->pm.igp_system_mclk, tmp);
+	tmp.full = dfixed_const(4);
+	rdev->pm.k8_bandwidth.full = dfixed_mul(rdev->pm.igp_system_mclk, tmp);
 	/* ht_bandwidth = ht_clk * 2 * ht_width / 8 * 0.8
 	 *              = ht_clk * ht_width / 5
 	 */
-	tmp.full = rfixed_const(5);
-	rdev->pm.ht_bandwidth.full = rfixed_mul(rdev->pm.igp_ht_link_clk,
+	tmp.full = dfixed_const(5);
+	rdev->pm.ht_bandwidth.full = dfixed_mul(rdev->pm.igp_ht_link_clk,
 						rdev->pm.igp_ht_link_width);
-	rdev->pm.ht_bandwidth.full = rfixed_div(rdev->pm.ht_bandwidth, tmp);
+	rdev->pm.ht_bandwidth.full = dfixed_div(rdev->pm.ht_bandwidth, tmp);
 	if (tmp.full < rdev->pm.max_bandwidth.full) {
 		/* HT link is a limiting factor */
 		rdev->pm.max_bandwidth.full = tmp.full;
@@ -136,10 +136,10 @@ void rs690_pm_info(struct radeon_device *rdev)
 	/* sideport_bandwidth = (sideport_clk / 2) * 2 * 2 * 0.7
 	 *                    = (sideport_clk * 14) / 10
 	 */
-	tmp.full = rfixed_const(14);
-	rdev->pm.sideport_bandwidth.full = rfixed_mul(rdev->pm.igp_sideport_mclk, tmp);
-	tmp.full = rfixed_const(10);
-	rdev->pm.sideport_bandwidth.full = rfixed_div(rdev->pm.sideport_bandwidth, tmp);
+	tmp.full = dfixed_const(14);
+	rdev->pm.sideport_bandwidth.full = dfixed_mul(rdev->pm.igp_sideport_mclk, tmp);
+	tmp.full = dfixed_const(10);
+	rdev->pm.sideport_bandwidth.full = dfixed_div(rdev->pm.sideport_bandwidth, tmp);
 }
 
 void rs690_mc_init(struct radeon_device *rdev)
@@ -239,20 +239,20 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
 		return;
 	}
 
-	if (crtc->vsc.full > rfixed_const(2))
-		wm->num_line_pair.full = rfixed_const(2);
+	if (crtc->vsc.full > dfixed_const(2))
+		wm->num_line_pair.full = dfixed_const(2);
 	else
-		wm->num_line_pair.full = rfixed_const(1);
+		wm->num_line_pair.full = dfixed_const(1);
 
-	b.full = rfixed_const(mode->crtc_hdisplay);
-	c.full = rfixed_const(256);
-	a.full = rfixed_div(b, c);
-	request_fifo_depth.full = rfixed_mul(a, wm->num_line_pair);
-	request_fifo_depth.full = rfixed_ceil(request_fifo_depth);
-	if (a.full < rfixed_const(4)) {
+	b.full = dfixed_const(mode->crtc_hdisplay);
+	c.full = dfixed_const(256);
+	a.full = dfixed_div(b, c);
+	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
+	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
+	if (a.full < dfixed_const(4)) {
 		wm->lb_request_fifo_depth = 4;
 	} else {
-		wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
+		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
 	}
 
 	/* Determine consumption rate
@@ -261,23 +261,23 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
 	 *  vsc = vertical scaling ratio, defined as source/destination
 	 *  hsc = horizontal scaling ration, defined as source/destination
 	 */
-	a.full = rfixed_const(mode->clock);
-	b.full = rfixed_const(1000);
-	a.full = rfixed_div(a, b);
-	pclk.full = rfixed_div(b, a);
+	a.full = dfixed_const(mode->clock);
+	b.full = dfixed_const(1000);
+	a.full = dfixed_div(a, b);
+	pclk.full = dfixed_div(b, a);
 	if (crtc->rmx_type != RMX_OFF) {
-		b.full = rfixed_const(2);
+		b.full = dfixed_const(2);
 		if (crtc->vsc.full > b.full)
 			b.full = crtc->vsc.full;
-		b.full = rfixed_mul(b, crtc->hsc);
-		c.full = rfixed_const(2);
-		b.full = rfixed_div(b, c);
-		consumption_time.full = rfixed_div(pclk, b);
+		b.full = dfixed_mul(b, crtc->hsc);
+		c.full = dfixed_const(2);
+		b.full = dfixed_div(b, c);
+		consumption_time.full = dfixed_div(pclk, b);
 	} else {
 		consumption_time.full = pclk.full;
 	}
-	a.full = rfixed_const(1);
-	wm->consumption_rate.full = rfixed_div(a, consumption_time);
+	a.full = dfixed_const(1);
+	wm->consumption_rate.full = dfixed_div(a, consumption_time);
 
 
 	/* Determine line time
@@ -285,18 +285,18 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
 	 *  LineTime = total number of horizontal pixels
 	 *  pclk = pixel clock period(ns)
 	 */
-	a.full = rfixed_const(crtc->base.mode.crtc_htotal);
-	line_time.full = rfixed_mul(a, pclk);
+	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+	line_time.full = dfixed_mul(a, pclk);
 
 	/* Determine active time
 	 *  ActiveTime = time of active region of display within one line,
 	 *  hactive = total number of horizontal active pixels
 	 *  htotal = total number of horizontal pixels
 	 */
-	a.full = rfixed_const(crtc->base.mode.crtc_htotal);
-	b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
-	wm->active_time.full = rfixed_mul(line_time, b);
-	wm->active_time.full = rfixed_div(wm->active_time, a);
+	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+	wm->active_time.full = dfixed_mul(line_time, b);
+	wm->active_time.full = dfixed_div(wm->active_time, a);
 
 	/* Maximun bandwidth is the minimun bandwidth of all component */
 	rdev->pm.max_bandwidth = rdev->pm.core_bandwidth;
@@ -304,8 +304,8 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
 		if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full &&
 			rdev->pm.sideport_bandwidth.full)
 			rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth;
-		read_delay_latency.full = rfixed_const(370 * 800 * 1000);
-		read_delay_latency.full = rfixed_div(read_delay_latency,
+		read_delay_latency.full = dfixed_const(370 * 800 * 1000);
+		read_delay_latency.full = dfixed_div(read_delay_latency,
 			rdev->pm.igp_sideport_mclk);
 	} else {
 		if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full &&
@@ -314,23 +314,23 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
 		if (rdev->pm.max_bandwidth.full > rdev->pm.ht_bandwidth.full &&
 			rdev->pm.ht_bandwidth.full)
 			rdev->pm.max_bandwidth = rdev->pm.ht_bandwidth;
-		read_delay_latency.full = rfixed_const(5000);
+		read_delay_latency.full = dfixed_const(5000);
 	}
 
 	/* sclk = system clocks(ns) = 1000 / max_bandwidth / 16 */
-	a.full = rfixed_const(16);
-	rdev->pm.sclk.full = rfixed_mul(rdev->pm.max_bandwidth, a);
-	a.full = rfixed_const(1000);
-	rdev->pm.sclk.full = rfixed_div(a, rdev->pm.sclk);
+	a.full = dfixed_const(16);
+	rdev->pm.sclk.full = dfixed_mul(rdev->pm.max_bandwidth, a);
+	a.full = dfixed_const(1000);
+	rdev->pm.sclk.full = dfixed_div(a, rdev->pm.sclk);
 	/* Determine chunk time
 	 * ChunkTime = the time it takes the DCP to send one chunk of data
 	 * to the LB which consists of pipeline delay and inter chunk gap
 	 * sclk = system clock(ns)
 	 */
-	a.full = rfixed_const(256 * 13);
-	chunk_time.full = rfixed_mul(rdev->pm.sclk, a);
-	a.full = rfixed_const(10);
-	chunk_time.full = rfixed_div(chunk_time, a);
+	a.full = dfixed_const(256 * 13);
+	chunk_time.full = dfixed_mul(rdev->pm.sclk, a);
+	a.full = dfixed_const(10);
+	chunk_time.full = dfixed_div(chunk_time, a);
 
 	/* Determine the worst case latency
 	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
@@ -340,13 +340,13 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
 	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
 	 *             which consists of pipeline delay and inter chunk gap
 	 */
-	if (rfixed_trunc(wm->num_line_pair) > 1) {
-		a.full = rfixed_const(3);
-		wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
+	if (dfixed_trunc(wm->num_line_pair) > 1) {
+		a.full = dfixed_const(3);
+		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
 		wm->worst_case_latency.full += read_delay_latency.full;
 	} else {
-		a.full = rfixed_const(2);
-		wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
+		a.full = dfixed_const(2);
+		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
 		wm->worst_case_latency.full += read_delay_latency.full;
 	}
 
@@ -360,34 +360,34 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
 	 *              of data to the LB which consists of
 	 *  pipeline delay and inter chunk gap
 	 */
-	if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
+	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
 		tolerable_latency.full = line_time.full;
 	} else {
-		tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
+		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
 		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
-		tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
+		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
 		tolerable_latency.full = line_time.full - tolerable_latency.full;
 	}
 	/* We assume worst case 32bits (4 bytes) */
-	wm->dbpp.full = rfixed_const(4 * 8);
+	wm->dbpp.full = dfixed_const(4 * 8);
 
 	/* Determine the maximum priority mark
 	 *  width = viewport width in pixels
 	 */
-	a.full = rfixed_const(16);
-	wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
-	wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
-	wm->priority_mark_max.full = rfixed_ceil(wm->priority_mark_max);
+	a.full = dfixed_const(16);
+	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
+	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
 
 	/* Determine estimated width */
 	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
-	estimated_width.full = rfixed_div(estimated_width, consumption_time);
-	if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
-		wm->priority_mark.full = rfixed_const(10);
+	estimated_width.full = dfixed_div(estimated_width, consumption_time);
+	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
+		wm->priority_mark.full = dfixed_const(10);
 	} else {
-		a.full = rfixed_const(16);
-		wm->priority_mark.full = rfixed_div(estimated_width, a);
-		wm->priority_mark.full = rfixed_ceil(wm->priority_mark);
+		a.full = dfixed_const(16);
+		wm->priority_mark.full = dfixed_div(estimated_width, a);
+		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
 		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
 	}
 }
@@ -439,58 +439,58 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
 	WREG32(R_006D58_LB_MAX_REQ_OUTSTANDING, tmp);
 
 	if (mode0 && mode1) {
-		if (rfixed_trunc(wm0.dbpp) > 64)
-			a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
+		if (dfixed_trunc(wm0.dbpp) > 64)
+			a.full = dfixed_mul(wm0.dbpp, wm0.num_line_pair);
 		else
 			a.full = wm0.num_line_pair.full;
-		if (rfixed_trunc(wm1.dbpp) > 64)
-			b.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair);
+		if (dfixed_trunc(wm1.dbpp) > 64)
+			b.full = dfixed_mul(wm1.dbpp, wm1.num_line_pair);
 		else
 			b.full = wm1.num_line_pair.full;
 		a.full += b.full;
-		fill_rate.full = rfixed_div(wm0.sclk, a);
+		fill_rate.full = dfixed_div(wm0.sclk, a);
 		if (wm0.consumption_rate.full > fill_rate.full) {
 			b.full = wm0.consumption_rate.full - fill_rate.full;
-			b.full = rfixed_mul(b, wm0.active_time);
-			a.full = rfixed_mul(wm0.worst_case_latency,
+			b.full = dfixed_mul(b, wm0.active_time);
+			a.full = dfixed_mul(wm0.worst_case_latency,
 						wm0.consumption_rate);
 			a.full = a.full + b.full;
-			b.full = rfixed_const(16 * 1000);
-			priority_mark02.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark02.full = dfixed_div(a, b);
 		} else {
-			a.full = rfixed_mul(wm0.worst_case_latency,
+			a.full = dfixed_mul(wm0.worst_case_latency,
 						wm0.consumption_rate);
-			b.full = rfixed_const(16 * 1000);
-			priority_mark02.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark02.full = dfixed_div(a, b);
 		}
 		if (wm1.consumption_rate.full > fill_rate.full) {
 			b.full = wm1.consumption_rate.full - fill_rate.full;
-			b.full = rfixed_mul(b, wm1.active_time);
-			a.full = rfixed_mul(wm1.worst_case_latency,
+			b.full = dfixed_mul(b, wm1.active_time);
+			a.full = dfixed_mul(wm1.worst_case_latency,
 						wm1.consumption_rate);
 			a.full = a.full + b.full;
-			b.full = rfixed_const(16 * 1000);
-			priority_mark12.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark12.full = dfixed_div(a, b);
 		} else {
-			a.full = rfixed_mul(wm1.worst_case_latency,
+			a.full = dfixed_mul(wm1.worst_case_latency,
 						wm1.consumption_rate);
-			b.full = rfixed_const(16 * 1000);
-			priority_mark12.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark12.full = dfixed_div(a, b);
 		}
 		if (wm0.priority_mark.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark.full;
-		if (rfixed_trunc(priority_mark02) < 0)
+		if (dfixed_trunc(priority_mark02) < 0)
 			priority_mark02.full = 0;
 		if (wm0.priority_mark_max.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark_max.full;
 		if (wm1.priority_mark.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark.full;
-		if (rfixed_trunc(priority_mark12) < 0)
+		if (dfixed_trunc(priority_mark12) < 0)
 			priority_mark12.full = 0;
 		if (wm1.priority_mark_max.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark_max.full;
-		d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
-		d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
+		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
 		if (rdev->disp_priority == 2) {
 			d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
 			d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
@@ -500,32 +500,32 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
 		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
 		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 	} else if (mode0) {
-		if (rfixed_trunc(wm0.dbpp) > 64)
-			a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
+		if (dfixed_trunc(wm0.dbpp) > 64)
+			a.full = dfixed_mul(wm0.dbpp, wm0.num_line_pair);
 		else
 			a.full = wm0.num_line_pair.full;
-		fill_rate.full = rfixed_div(wm0.sclk, a);
+		fill_rate.full = dfixed_div(wm0.sclk, a);
 		if (wm0.consumption_rate.full > fill_rate.full) {
 			b.full = wm0.consumption_rate.full - fill_rate.full;
-			b.full = rfixed_mul(b, wm0.active_time);
-			a.full = rfixed_mul(wm0.worst_case_latency,
+			b.full = dfixed_mul(b, wm0.active_time);
+			a.full = dfixed_mul(wm0.worst_case_latency,
 						wm0.consumption_rate);
 			a.full = a.full + b.full;
-			b.full = rfixed_const(16 * 1000);
-			priority_mark02.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark02.full = dfixed_div(a, b);
 		} else {
-			a.full = rfixed_mul(wm0.worst_case_latency,
+			a.full = dfixed_mul(wm0.worst_case_latency,
 						wm0.consumption_rate);
-			b.full = rfixed_const(16 * 1000);
-			priority_mark02.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark02.full = dfixed_div(a, b);
 		}
 		if (wm0.priority_mark.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark.full;
-		if (rfixed_trunc(priority_mark02) < 0)
+		if (dfixed_trunc(priority_mark02) < 0)
 			priority_mark02.full = 0;
 		if (wm0.priority_mark_max.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark_max.full;
-		d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
+		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
 		if (rdev->disp_priority == 2)
 			d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
 		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
@@ -535,32 +535,32 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
 		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT,
 			S_006D4C_D2MODE_PRIORITY_B_OFF(1));
 	} else {
-		if (rfixed_trunc(wm1.dbpp) > 64)
-			a.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair);
+		if (dfixed_trunc(wm1.dbpp) > 64)
+			a.full = dfixed_mul(wm1.dbpp, wm1.num_line_pair);
 		else
 			a.full = wm1.num_line_pair.full;
-		fill_rate.full = rfixed_div(wm1.sclk, a);
+		fill_rate.full = dfixed_div(wm1.sclk, a);
 		if (wm1.consumption_rate.full > fill_rate.full) {
 			b.full = wm1.consumption_rate.full - fill_rate.full;
-			b.full = rfixed_mul(b, wm1.active_time);
-			a.full = rfixed_mul(wm1.worst_case_latency,
+			b.full = dfixed_mul(b, wm1.active_time);
+			a.full = dfixed_mul(wm1.worst_case_latency,
 						wm1.consumption_rate);
 			a.full = a.full + b.full;
-			b.full = rfixed_const(16 * 1000);
-			priority_mark12.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark12.full = dfixed_div(a, b);
 		} else {
-			a.full = rfixed_mul(wm1.worst_case_latency,
+			a.full = dfixed_mul(wm1.worst_case_latency,
 						wm1.consumption_rate);
-			b.full = rfixed_const(16 * 1000);
-			priority_mark12.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark12.full = dfixed_div(a, b);
 		}
 		if (wm1.priority_mark.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark.full;
-		if (rfixed_trunc(priority_mark12) < 0)
+		if (dfixed_trunc(priority_mark12) < 0)
 			priority_mark12.full = 0;
 		if (wm1.priority_mark_max.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark_max.full;
-		d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
 		if (rdev->disp_priority == 2)
 			d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
 		WREG32(R_006548_D1MODE_PRIORITY_A_CNT,
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index c513473d72a..2009f4b20c2 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -795,20 +795,20 @@ void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 		return;
 	}
 
-	if (crtc->vsc.full > rfixed_const(2))
-		wm->num_line_pair.full = rfixed_const(2);
+	if (crtc->vsc.full > dfixed_const(2))
+		wm->num_line_pair.full = dfixed_const(2);
 	else
-		wm->num_line_pair.full = rfixed_const(1);
+		wm->num_line_pair.full = dfixed_const(1);
 
-	b.full = rfixed_const(mode->crtc_hdisplay);
-	c.full = rfixed_const(256);
-	a.full = rfixed_div(b, c);
-	request_fifo_depth.full = rfixed_mul(a, wm->num_line_pair);
-	request_fifo_depth.full = rfixed_ceil(request_fifo_depth);
-	if (a.full < rfixed_const(4)) {
+	b.full = dfixed_const(mode->crtc_hdisplay);
+	c.full = dfixed_const(256);
+	a.full = dfixed_div(b, c);
+	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
+	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
+	if (a.full < dfixed_const(4)) {
 		wm->lb_request_fifo_depth = 4;
 	} else {
-		wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
+		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
 	}
 
 	/* Determine consumption rate
@@ -817,23 +817,23 @@ void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 	 *  vsc = vertical scaling ratio, defined as source/destination
 	 *  hsc = horizontal scaling ration, defined as source/destination
 	 */
-	a.full = rfixed_const(mode->clock);
-	b.full = rfixed_const(1000);
-	a.full = rfixed_div(a, b);
-	pclk.full = rfixed_div(b, a);
+	a.full = dfixed_const(mode->clock);
+	b.full = dfixed_const(1000);
+	a.full = dfixed_div(a, b);
+	pclk.full = dfixed_div(b, a);
 	if (crtc->rmx_type != RMX_OFF) {
-		b.full = rfixed_const(2);
+		b.full = dfixed_const(2);
 		if (crtc->vsc.full > b.full)
 			b.full = crtc->vsc.full;
-		b.full = rfixed_mul(b, crtc->hsc);
-		c.full = rfixed_const(2);
-		b.full = rfixed_div(b, c);
-		consumption_time.full = rfixed_div(pclk, b);
+		b.full = dfixed_mul(b, crtc->hsc);
+		c.full = dfixed_const(2);
+		b.full = dfixed_div(b, c);
+		consumption_time.full = dfixed_div(pclk, b);
 	} else {
 		consumption_time.full = pclk.full;
 	}
-	a.full = rfixed_const(1);
-	wm->consumption_rate.full = rfixed_div(a, consumption_time);
+	a.full = dfixed_const(1);
+	wm->consumption_rate.full = dfixed_div(a, consumption_time);
 
 
 	/* Determine line time
@@ -841,27 +841,27 @@ void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 	 *  LineTime = total number of horizontal pixels
 	 *  pclk = pixel clock period(ns)
 	 */
-	a.full = rfixed_const(crtc->base.mode.crtc_htotal);
-	line_time.full = rfixed_mul(a, pclk);
+	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+	line_time.full = dfixed_mul(a, pclk);
 
 	/* Determine active time
 	 *  ActiveTime = time of active region of display within one line,
 	 *  hactive = total number of horizontal active pixels
 	 *  htotal = total number of horizontal pixels
 	 */
-	a.full = rfixed_const(crtc->base.mode.crtc_htotal);
-	b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
-	wm->active_time.full = rfixed_mul(line_time, b);
-	wm->active_time.full = rfixed_div(wm->active_time, a);
+	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+	wm->active_time.full = dfixed_mul(line_time, b);
+	wm->active_time.full = dfixed_div(wm->active_time, a);
 
 	/* Determine chunk time
 	 * ChunkTime = the time it takes the DCP to send one chunk of data
 	 * to the LB which consists of pipeline delay and inter chunk gap
 	 * sclk = system clock(Mhz)
 	 */
-	a.full = rfixed_const(600 * 1000);
-	chunk_time.full = rfixed_div(a, rdev->pm.sclk);
-	read_delay_latency.full = rfixed_const(1000);
+	a.full = dfixed_const(600 * 1000);
+	chunk_time.full = dfixed_div(a, rdev->pm.sclk);
+	read_delay_latency.full = dfixed_const(1000);
 
 	/* Determine the worst case latency
 	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
@@ -871,9 +871,9 @@ void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
 	 *             which consists of pipeline delay and inter chunk gap
 	 */
-	if (rfixed_trunc(wm->num_line_pair) > 1) {
-		a.full = rfixed_const(3);
-		wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
+	if (dfixed_trunc(wm->num_line_pair) > 1) {
+		a.full = dfixed_const(3);
+		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
 		wm->worst_case_latency.full += read_delay_latency.full;
 	} else {
 		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
@@ -889,34 +889,34 @@ void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 	 *              of data to the LB which consists of
 	 *  pipeline delay and inter chunk gap
 	 */
-	if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
+	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
 		tolerable_latency.full = line_time.full;
 	} else {
-		tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
+		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
 		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
-		tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
+		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
 		tolerable_latency.full = line_time.full - tolerable_latency.full;
 	}
 	/* We assume worst case 32bits (4 bytes) */
-	wm->dbpp.full = rfixed_const(2 * 16);
+	wm->dbpp.full = dfixed_const(2 * 16);
 
 	/* Determine the maximum priority mark
 	 *  width = viewport width in pixels
 	 */
-	a.full = rfixed_const(16);
-	wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
-	wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
-	wm->priority_mark_max.full = rfixed_ceil(wm->priority_mark_max);
+	a.full = dfixed_const(16);
+	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
+	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
 
 	/* Determine estimated width */
 	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
-	estimated_width.full = rfixed_div(estimated_width, consumption_time);
-	if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
+	estimated_width.full = dfixed_div(estimated_width, consumption_time);
+	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
 		wm->priority_mark.full = wm->priority_mark_max.full;
 	} else {
-		a.full = rfixed_const(16);
-		wm->priority_mark.full = rfixed_div(estimated_width, a);
-		wm->priority_mark.full = rfixed_ceil(wm->priority_mark);
+		a.full = dfixed_const(16);
+		wm->priority_mark.full = dfixed_div(estimated_width, a);
+		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
 		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
 	}
 }
@@ -945,58 +945,58 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
 	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
 
 	if (mode0 && mode1) {
-		if (rfixed_trunc(wm0.dbpp) > 64)
-			a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
+		if (dfixed_trunc(wm0.dbpp) > 64)
+			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
 		else
 			a.full = wm0.num_line_pair.full;
-		if (rfixed_trunc(wm1.dbpp) > 64)
-			b.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
+		if (dfixed_trunc(wm1.dbpp) > 64)
+			b.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
 		else
 			b.full = wm1.num_line_pair.full;
 		a.full += b.full;
-		fill_rate.full = rfixed_div(wm0.sclk, a);
+		fill_rate.full = dfixed_div(wm0.sclk, a);
 		if (wm0.consumption_rate.full > fill_rate.full) {
 			b.full = wm0.consumption_rate.full - fill_rate.full;
-			b.full = rfixed_mul(b, wm0.active_time);
-			a.full = rfixed_const(16);
-			b.full = rfixed_div(b, a);
-			a.full = rfixed_mul(wm0.worst_case_latency,
+			b.full = dfixed_mul(b, wm0.active_time);
+			a.full = dfixed_const(16);
+			b.full = dfixed_div(b, a);
+			a.full = dfixed_mul(wm0.worst_case_latency,
 						wm0.consumption_rate);
 			priority_mark02.full = a.full + b.full;
 		} else {
-			a.full = rfixed_mul(wm0.worst_case_latency,
+			a.full = dfixed_mul(wm0.worst_case_latency,
 						wm0.consumption_rate);
-			b.full = rfixed_const(16 * 1000);
-			priority_mark02.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark02.full = dfixed_div(a, b);
 		}
 		if (wm1.consumption_rate.full > fill_rate.full) {
 			b.full = wm1.consumption_rate.full - fill_rate.full;
-			b.full = rfixed_mul(b, wm1.active_time);
-			a.full = rfixed_const(16);
-			b.full = rfixed_div(b, a);
-			a.full = rfixed_mul(wm1.worst_case_latency,
+			b.full = dfixed_mul(b, wm1.active_time);
+			a.full = dfixed_const(16);
+			b.full = dfixed_div(b, a);
+			a.full = dfixed_mul(wm1.worst_case_latency,
 						wm1.consumption_rate);
 			priority_mark12.full = a.full + b.full;
 		} else {
-			a.full = rfixed_mul(wm1.worst_case_latency,
+			a.full = dfixed_mul(wm1.worst_case_latency,
 						wm1.consumption_rate);
-			b.full = rfixed_const(16 * 1000);
-			priority_mark12.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark12.full = dfixed_div(a, b);
 		}
 		if (wm0.priority_mark.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark.full;
-		if (rfixed_trunc(priority_mark02) < 0)
+		if (dfixed_trunc(priority_mark02) < 0)
 			priority_mark02.full = 0;
 		if (wm0.priority_mark_max.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark_max.full;
 		if (wm1.priority_mark.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark.full;
-		if (rfixed_trunc(priority_mark12) < 0)
+		if (dfixed_trunc(priority_mark12) < 0)
 			priority_mark12.full = 0;
 		if (wm1.priority_mark_max.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark_max.full;
-		d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
-		d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
+		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
 		if (rdev->disp_priority == 2) {
 			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
 			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
@@ -1006,32 +1006,32 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
 		WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
 		WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 	} else if (mode0) {
-		if (rfixed_trunc(wm0.dbpp) > 64)
-			a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
+		if (dfixed_trunc(wm0.dbpp) > 64)
+			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
 		else
 			a.full = wm0.num_line_pair.full;
-		fill_rate.full = rfixed_div(wm0.sclk, a);
+		fill_rate.full = dfixed_div(wm0.sclk, a);
 		if (wm0.consumption_rate.full > fill_rate.full) {
 			b.full = wm0.consumption_rate.full - fill_rate.full;
-			b.full = rfixed_mul(b, wm0.active_time);
-			a.full = rfixed_const(16);
-			b.full = rfixed_div(b, a);
-			a.full = rfixed_mul(wm0.worst_case_latency,
+			b.full = dfixed_mul(b, wm0.active_time);
+			a.full = dfixed_const(16);
+			b.full = dfixed_div(b, a);
+			a.full = dfixed_mul(wm0.worst_case_latency,
 						wm0.consumption_rate);
 			priority_mark02.full = a.full + b.full;
 		} else {
-			a.full = rfixed_mul(wm0.worst_case_latency,
+			a.full = dfixed_mul(wm0.worst_case_latency,
 						wm0.consumption_rate);
-			b.full = rfixed_const(16);
-			priority_mark02.full = rfixed_div(a, b);
+			b.full = dfixed_const(16);
+			priority_mark02.full = dfixed_div(a, b);
 		}
 		if (wm0.priority_mark.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark.full;
-		if (rfixed_trunc(priority_mark02) < 0)
+		if (dfixed_trunc(priority_mark02) < 0)
 			priority_mark02.full = 0;
 		if (wm0.priority_mark_max.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark_max.full;
-		d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
+		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
 		if (rdev->disp_priority == 2)
 			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
 		WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
@@ -1039,32 +1039,32 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
 		WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
 		WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
 	} else {
-		if (rfixed_trunc(wm1.dbpp) > 64)
-			a.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
+		if (dfixed_trunc(wm1.dbpp) > 64)
+			a.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
 		else
 			a.full = wm1.num_line_pair.full;
-		fill_rate.full = rfixed_div(wm1.sclk, a);
+		fill_rate.full = dfixed_div(wm1.sclk, a);
 		if (wm1.consumption_rate.full > fill_rate.full) {
 			b.full = wm1.consumption_rate.full - fill_rate.full;
-			b.full = rfixed_mul(b, wm1.active_time);
-			a.full = rfixed_const(16);
-			b.full = rfixed_div(b, a);
-			a.full = rfixed_mul(wm1.worst_case_latency,
+			b.full = dfixed_mul(b, wm1.active_time);
+			a.full = dfixed_const(16);
+			b.full = dfixed_div(b, a);
+			a.full = dfixed_mul(wm1.worst_case_latency,
 						wm1.consumption_rate);
 			priority_mark12.full = a.full + b.full;
 		} else {
-			a.full = rfixed_mul(wm1.worst_case_latency,
+			a.full = dfixed_mul(wm1.worst_case_latency,
 						wm1.consumption_rate);
-			b.full = rfixed_const(16 * 1000);
-			priority_mark12.full = rfixed_div(a, b);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark12.full = dfixed_div(a, b);
 		}
 		if (wm1.priority_mark.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark.full;
-		if (rfixed_trunc(priority_mark12) < 0)
+		if (dfixed_trunc(priority_mark12) < 0)
 			priority_mark12.full = 0;
 		if (wm1.priority_mark_max.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark_max.full;
-		d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
 		if (rdev->disp_priority == 2)
 			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
 		WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
diff --git a/drivers/gpu/drm/radeon/radeon_fixed.h b/include/drm/drm_fixed.h
similarity index 60%
rename from drivers/gpu/drm/radeon/radeon_fixed.h
rename to include/drm/drm_fixed.h
index 3d4d84e078a..4a08a664ff1 100644
--- a/drivers/gpu/drm/radeon/radeon_fixed.h
+++ b/include/drm/drm_fixed.h
@@ -21,41 +21,41 @@
  *
  * Authors: Dave Airlie
  */
-#ifndef RADEON_FIXED_H
-#define RADEON_FIXED_H
+#ifndef DRM_FIXED_H
+#define DRM_FIXED_H
 
-typedef union rfixed {
+typedef union dfixed {
 	u32 full;
 } fixed20_12;
 
 
-#define rfixed_const(A) (u32)(((A) << 12))/*  + ((B + 0.000122)*4096)) */
-#define rfixed_const_half(A) (u32)(((A) << 12) + 2048)
-#define rfixed_const_666(A) (u32)(((A) << 12) + 2731)
-#define rfixed_const_8(A) (u32)(((A) << 12) + 3277)
-#define rfixed_mul(A, B) ((u64)((u64)(A).full * (B).full + 2048) >> 12)
-#define fixed_init(A) { .full = rfixed_const((A)) }
-#define fixed_init_half(A) { .full = rfixed_const_half((A)) }
-#define rfixed_trunc(A) ((A).full >> 12)
+#define dfixed_const(A) (u32)(((A) << 12))/*  + ((B + 0.000122)*4096)) */
+#define dfixed_const_half(A) (u32)(((A) << 12) + 2048)
+#define dfixed_const_666(A) (u32)(((A) << 12) + 2731)
+#define dfixed_const_8(A) (u32)(((A) << 12) + 3277)
+#define dfixed_mul(A, B) ((u64)((u64)(A).full * (B).full + 2048) >> 12)
+#define dfixed_init(A) { .full = dfixed_const((A)) }
+#define dfixed_init_half(A) { .full = dfixed_const_half((A)) }
+#define dfixed_trunc(A) ((A).full >> 12)
 
-static inline u32 rfixed_floor(fixed20_12 A)
+static inline u32 dfixed_floor(fixed20_12 A)
 {
-	u32 non_frac = rfixed_trunc(A);
+	u32 non_frac = dfixed_trunc(A);
 
-	return rfixed_const(non_frac);
+	return dfixed_const(non_frac);
 }
 
-static inline u32 rfixed_ceil(fixed20_12 A)
+static inline u32 dfixed_ceil(fixed20_12 A)
 {
-	u32 non_frac = rfixed_trunc(A);
+	u32 non_frac = dfixed_trunc(A);
 
-	if (A.full > rfixed_const(non_frac))
-		return rfixed_const(non_frac + 1);
+	if (A.full > dfixed_const(non_frac))
+		return dfixed_const(non_frac + 1);
 	else
-		return rfixed_const(non_frac);
+		return dfixed_const(non_frac);
 }
 
-static inline u32 rfixed_div(fixed20_12 A, fixed20_12 B)
+static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B)
 {
 	u64 tmp = ((u64)A.full << 13);
 

From 539d24181753e40174746d576d415bfb56131975 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 29 Apr 2010 00:22:43 -0400
Subject: [PATCH 1960/3638] drm/radeon/kms: more pm fixes

- disable gui idle interrupt use
  Seems to hang some r5xx chips
- move vbl range check into
  existing vbl check function in
  radeon_pm.c
- disable crtc mc acccess for the
  whole reclocking process

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen_reg.h |  2 +
 drivers/gpu/drm/radeon/r100.c          |  6 +--
 drivers/gpu/drm/radeon/r600.c          | 35 ++------------
 drivers/gpu/drm/radeon/radeon_pm.c     | 65 +++++++++++++++-----------
 4 files changed, 45 insertions(+), 63 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index 93aab2ebd9d..af86af836f1 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -164,10 +164,12 @@
 #define EVERGREEN_CRTC5_REGISTER_OFFSET                 (0x129f0 - 0x6df0)
 
 /* CRTC blocks at 0x6df0, 0x79f0, 0x105f0, 0x111f0, 0x11df0, 0x129f0 */
+#define EVERGREEN_CRTC_V_BLANK_START_END                0x6e34
 #define EVERGREEN_CRTC_CONTROL                          0x6e70
 #       define EVERGREEN_CRTC_MASTER_EN                 (1 << 0)
 #       define EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE (1 << 24)
 #define EVERGREEN_CRTC_STATUS                           0x6e8c
+#define EVERGREEN_CRTC_STATUS_POSITION                  0x6e90
 #define EVERGREEN_CRTC_UPDATE_LOCK                      0x6ed4
 
 #define EVERGREEN_DC_GPIO_HPD_MASK                      0x64b0
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index a5f11c300f6..493b9b48da3 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -178,14 +178,12 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 				rdev->pm.current_sclk = sclk;
 				DRM_INFO("Setting: e: %d\n", sclk);
 			}
-#if 0
 			/* set memory clock */
 			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
 				radeon_set_memory_clock(rdev, mclk);
 				rdev->pm.current_mclk = mclk;
 				DRM_INFO("Setting: m: %d\n", mclk);
 			}
-#endif
 			radeon_pm_finish(rdev);
 		} else {
 			radeon_sync_with_vblank(rdev);
@@ -193,6 +191,7 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 			if (!radeon_pm_in_vbl(rdev))
 				return;
 
+			radeon_pm_prepare(rdev);
 			/* set engine clock */
 			if (sclk != rdev->pm.current_sclk) {
 				radeon_pm_debug_check_in_vbl(rdev, false);
@@ -205,13 +204,12 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 			/* set memory clock */
 			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
 				radeon_pm_debug_check_in_vbl(rdev, false);
-				radeon_pm_prepare(rdev);
 				radeon_set_memory_clock(rdev, mclk);
-				radeon_pm_finish(rdev);
 				radeon_pm_debug_check_in_vbl(rdev, true);
 				rdev->pm.current_mclk = mclk;
 				DRM_INFO("Setting: m: %d\n", mclk);
 			}
+			radeon_pm_finish(rdev);
 		}
 
 		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index d3a79e0a912..75c825cb879 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -256,7 +256,6 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
 		return;
 
 	if (radeon_gui_idle(rdev)) {
-
 		sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
 			clock_info[rdev->pm.requested_clock_mode_index].sclk;
 		if (sclk > rdev->clock.default_sclk)
@@ -271,52 +270,27 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
 		radeon_pm_misc(rdev);
 
 		if (static_switch) {
-
+			radeon_pm_prepare(rdev);
 			/* set engine clock */
 			if (sclk != rdev->pm.current_sclk) {
 				radeon_set_engine_clock(rdev, sclk);
 				rdev->pm.current_sclk = sclk;
 				DRM_INFO("Setting: e: %d\n", sclk);
 			}
-
 			/* set memory clock */
 			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-				radeon_pm_prepare(rdev);
 				radeon_set_memory_clock(rdev, mclk);
-				radeon_pm_finish(rdev);
 				rdev->pm.current_mclk = mclk;
 				DRM_INFO("Setting: m: %d\n", mclk);
 			}
-
+			radeon_pm_finish(rdev);
 		} else {
-			u32 position;
-			u32 vbl;
-
 			radeon_sync_with_vblank(rdev);
 
 			if (!radeon_pm_in_vbl(rdev))
 				return;
 
-			if (rdev->pm.active_crtcs & (1 << 0)) {
-				vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END);
-				position = RREG32(AVIVO_D1CRTC_STATUS_POSITION);
-				position &= 0xfff;
-				vbl &= 0xfff;
-
-				if (position < vbl && position > 1)
-					return;
-			}
-
-			if (rdev->pm.active_crtcs & (1 << 1)) {
-				vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END);
-				position = RREG32(AVIVO_D2CRTC_STATUS_POSITION);
-				position &= 0xfff;
-				vbl &= 0xfff;
-
-				if (position < vbl && position > 1)
-					return;
-			}
-
+			radeon_pm_prepare(rdev);
 			if (sclk != rdev->pm.current_sclk) {
 				radeon_pm_debug_check_in_vbl(rdev, false);
 				radeon_set_engine_clock(rdev, sclk);
@@ -328,13 +302,12 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
 			/* set memory clock */
 			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
 				radeon_pm_debug_check_in_vbl(rdev, false);
-				radeon_pm_prepare(rdev);
 				radeon_set_memory_clock(rdev, mclk);
-				radeon_pm_finish(rdev);
 				radeon_pm_debug_check_in_vbl(rdev, true);
 				rdev->pm.current_mclk = mclk;
 				DRM_INFO("Setting: m: %d\n", mclk);
 			}
+			radeon_pm_finish(rdev);
 		}
 
 		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 88163e043fc..2eb675e7844 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -64,7 +64,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->vram_mutex);
 	mutex_lock(&rdev->cp.mutex);
-
+#if 0
 	/* wait for GPU idle */
 	rdev->pm.gui_idle = false;
 	rdev->irq.gui_idle = true;
@@ -74,7 +74,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 		msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
 	rdev->irq.gui_idle = false;
 	radeon_irq_set(rdev);
-
+#endif
 	radeon_unmap_vram_bos(rdev);
 
 	if (!static_switch) {
@@ -85,7 +85,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 			}
 		}
 	}
-	
+
 	radeon_set_power_state(rdev, static_switch);
 
 	if (!static_switch) {
@@ -389,51 +389,57 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 
 bool radeon_pm_in_vbl(struct radeon_device *rdev)
 {
-	u32 stat_crtc = 0;
+	u32 stat_crtc = 0, vbl = 0, position = 0;
 	bool in_vbl = true;
 
 	if (ASIC_IS_DCE4(rdev)) {
 		if (rdev->pm.active_crtcs & (1 << 0)) {
-			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
-			if (!(stat_crtc & 1))
-				in_vbl = false;
+			vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
+				     EVERGREEN_CRTC0_REGISTER_OFFSET) & 0xfff;
+			position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
+					  EVERGREEN_CRTC0_REGISTER_OFFSET) & 0xfff;
 		}
 		if (rdev->pm.active_crtcs & (1 << 1)) {
-			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
-			if (!(stat_crtc & 1))
-				in_vbl = false;
+			vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
+				     EVERGREEN_CRTC1_REGISTER_OFFSET) & 0xfff;
+			position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
+					  EVERGREEN_CRTC1_REGISTER_OFFSET) & 0xfff;
 		}
 		if (rdev->pm.active_crtcs & (1 << 2)) {
-			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
-			if (!(stat_crtc & 1))
-				in_vbl = false;
+			vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
+				     EVERGREEN_CRTC2_REGISTER_OFFSET) & 0xfff;
+			position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
+					  EVERGREEN_CRTC2_REGISTER_OFFSET) & 0xfff;
 		}
 		if (rdev->pm.active_crtcs & (1 << 3)) {
-			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
-			if (!(stat_crtc & 1))
-				in_vbl = false;
+			vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
+				     EVERGREEN_CRTC3_REGISTER_OFFSET) & 0xfff;
+			position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
+					  EVERGREEN_CRTC3_REGISTER_OFFSET) & 0xfff;
 		}
 		if (rdev->pm.active_crtcs & (1 << 4)) {
-			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
-			if (!(stat_crtc & 1))
-				in_vbl = false;
+			vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
+				     EVERGREEN_CRTC4_REGISTER_OFFSET) & 0xfff;
+			position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
+					  EVERGREEN_CRTC4_REGISTER_OFFSET) & 0xfff;
 		}
 		if (rdev->pm.active_crtcs & (1 << 5)) {
-			stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
-			if (!(stat_crtc & 1))
-				in_vbl = false;
+			vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
+				     EVERGREEN_CRTC5_REGISTER_OFFSET) & 0xfff;
+			position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
+					  EVERGREEN_CRTC5_REGISTER_OFFSET) & 0xfff;
 		}
 	} else if (ASIC_IS_AVIVO(rdev)) {
 		if (rdev->pm.active_crtcs & (1 << 0)) {
-			stat_crtc = RREG32(D1CRTC_STATUS);
-			if (!(stat_crtc & 1))
-				in_vbl = false;
+			vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END) & 0xfff;
+			position = RREG32(AVIVO_D1CRTC_STATUS_POSITION) & 0xfff;
 		}
 		if (rdev->pm.active_crtcs & (1 << 1)) {
-			stat_crtc = RREG32(D2CRTC_STATUS);
-			if (!(stat_crtc & 1))
-				in_vbl = false;
+			vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END) & 0xfff;
+			position = RREG32(AVIVO_D2CRTC_STATUS_POSITION) & 0xfff;
 		}
+		if (position < vbl && position > 1)
+			in_vbl = false;
 	} else {
 		if (rdev->pm.active_crtcs & (1 << 0)) {
 			stat_crtc = RREG32(RADEON_CRTC_STATUS);
@@ -447,6 +453,9 @@ bool radeon_pm_in_vbl(struct radeon_device *rdev)
 		}
 	}
 
+	if (position < vbl && position > 1)
+		in_vbl = false;
+
 	return in_vbl;
 }
 

From f4b7fb94c576265ceffc43031805ade32fa80c6a Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 29 Apr 2010 18:37:59 +1000
Subject: [PATCH 1961/3638] drm/radeon/kms: take vram mutex pointer before
 derefing object.

since derefing the object might free it.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_object.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 06def708b01..a8d18bcae7d 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -168,13 +168,15 @@ void radeon_bo_kunmap(struct radeon_bo *bo)
 void radeon_bo_unref(struct radeon_bo **bo)
 {
 	struct ttm_buffer_object *tbo;
+	struct radeon_device *rdev;
 
 	if ((*bo) == NULL)
 		return;
+	rdev = (*bo)->rdev;
 	tbo = &((*bo)->tbo);
-	mutex_lock(&(*bo)->rdev->vram_mutex);
+	mutex_lock(&rdev->vram_mutex);
 	ttm_bo_unref(&tbo);
-	mutex_unlock(&(*bo)->rdev->vram_mutex);
+	mutex_unlock(&rdev->vram_mutex);
 	if (tbo == NULL)
 		*bo = NULL;
 }

From 4f3218cbc34f4ffd88f4b3ea0d2f6999aea7b3e6 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 29 Apr 2010 16:14:02 -0400
Subject: [PATCH 1962/3638] drm/radeon/kms: re-enable gui idle interrupts on
 r6xx+

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 2eb675e7844..bded834afa5 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -64,17 +64,19 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->vram_mutex);
 	mutex_lock(&rdev->cp.mutex);
-#if 0
-	/* wait for GPU idle */
-	rdev->pm.gui_idle = false;
-	rdev->irq.gui_idle = true;
-	radeon_irq_set(rdev);
-	wait_event_interruptible_timeout(
-		rdev->irq.idle_queue, rdev->pm.gui_idle,
-		msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
-	rdev->irq.gui_idle = false;
-	radeon_irq_set(rdev);
-#endif
+
+	/* gui idle int has issues on older chips it seems */
+	if (rdev->family >= CHIP_R600) {
+		/* wait for GPU idle */
+		rdev->pm.gui_idle = false;
+		rdev->irq.gui_idle = true;
+		radeon_irq_set(rdev);
+		wait_event_interruptible_timeout(
+			rdev->irq.idle_queue, rdev->pm.gui_idle,
+			msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
+		rdev->irq.gui_idle = false;
+		radeon_irq_set(rdev);
+	}
 	radeon_unmap_vram_bos(rdev);
 
 	if (!static_switch) {

From 536fcd5124df6af3b95f1bffc925d9ccb6d5b9df Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 29 Apr 2010 16:33:38 -0400
Subject: [PATCH 1963/3638] drm/radeon/kms: enable misc pm power state features
 on r5xx, rs6xx

voltage drop, dynamic voltage, dynamic sclk, pcie lane adjust, etc,

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/rs600.c  | 14 ++++++++++----
 drivers/gpu/drm/radeon/rs600d.h |  2 ++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index c3890b76a1c..8e0c46060b3 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -48,12 +48,11 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev);
 
 void rs600_pm_misc(struct radeon_device *rdev)
 {
-#if 0
 	int requested_index = rdev->pm.requested_power_state_index;
 	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 	u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
-	u32 hdp_dyn_cntl, mc_host_dyn_cntl;
+	u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
 
 	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
@@ -112,13 +111,21 @@ void rs600_pm_misc(struct radeon_device *rdev)
 	else
 		hdp_dyn_cntl |= HDP_FORCEON;
 	WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
-
+#if 0
+	/* mc_host_dyn seems to cause hangs from time to time */
 	mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
 	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
 		mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
 	else
 		mc_host_dyn_cntl |= MC_HOST_FORCEON;
 	WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
+#endif
+	dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
+	if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
+		dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
+	else
+		dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
+	WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
 
 	/* set pcie lanes */
 	if ((rdev->flags & RADEON_IS_PCIE) &&
@@ -130,7 +137,6 @@ void rs600_pm_misc(struct radeon_device *rdev)
 				      ps->pcie_lanes);
 		DRM_INFO("Setting: p: %d\n", ps->pcie_lanes);
 	}
-#endif
 }
 
 void rs600_pm_prepare(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rs600d.h b/drivers/gpu/drm/radeon/rs600d.h
index 8f624342927..a27c13ac47c 100644
--- a/drivers/gpu/drm/radeon/rs600d.h
+++ b/drivers/gpu/drm/radeon/rs600d.h
@@ -655,6 +655,8 @@
 #define   HDP_FORCEON                                  (1 << 0)
 #define MC_HOST_DYN_CNTL                               0x1e
 #define   MC_HOST_FORCEON                              (1 << 0)
+#define DYN_BACKBIAS_CNTL                              0x29
+#define   IO_CG_BACKBIAS_EN                            (1 << 0)
 
 /* mmreg */
 #define DOUT_POWER_MANAGEMENT_CNTL                     0x7ee0

From 78930b1c39dd4a5afd5aa873eec11b5bd7079866 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 30 Apr 2010 15:34:12 -0400
Subject: [PATCH 1964/3638] drm/radeon/kms: enable misc pm power state features
 on r1xx-r4xx

voltage drop, dynamic voltage, dynamic sclk, pcie lane adjust, etc,

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r100.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 493b9b48da3..14b7541df38 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -220,7 +220,6 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 
 void r100_pm_misc(struct radeon_device *rdev)
 {
-#if 0
 	int requested_index = rdev->pm.requested_power_state_index;
 	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
@@ -308,7 +307,6 @@ void r100_pm_misc(struct radeon_device *rdev)
 				      ps->pcie_lanes);
 		DRM_INFO("Setting: p: %d\n", ps->pcie_lanes);
 	}
-#endif
 }
 
 void r100_pm_prepare(struct radeon_device *rdev)

From 91700f3cac56a1998a56d41e4459a5cebdb4f752 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Fri, 30 Apr 2010 15:24:17 -0400
Subject: [PATCH 1965/3638] radeon: Split out ring locking and allocation

We need to handle the ring while we've already locked it, so split out
the allocation and commit functions in order to allow them to be used.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon.h      |  2 ++
 drivers/gpu/drm/radeon/radeon_ring.c | 27 +++++++++++++++++++++------
 2 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 93ac88eb6b3..e39e2b4ec97 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -471,7 +471,9 @@ int radeon_ib_test(struct radeon_device *rdev);
 extern void radeon_ib_bogus_add(struct radeon_device *rdev, struct radeon_ib *ib);
 /* Ring access between begin & end cannot sleep */
 void radeon_ring_free_size(struct radeon_device *rdev);
+int radeon_ring_alloc(struct radeon_device *rdev, unsigned ndw);
 int radeon_ring_lock(struct radeon_device *rdev, unsigned ndw);
+void radeon_ring_commit(struct radeon_device *rdev);
 void radeon_ring_unlock_commit(struct radeon_device *rdev);
 void radeon_ring_unlock_undo(struct radeon_device *rdev);
 int radeon_ring_test(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index f6e1e8d4d98..6cc42591abd 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -258,31 +258,41 @@ void radeon_ring_free_size(struct radeon_device *rdev)
 	}
 }
 
-int radeon_ring_lock(struct radeon_device *rdev, unsigned ndw)
+int radeon_ring_alloc(struct radeon_device *rdev, unsigned ndw)
 {
 	int r;
 
 	/* Align requested size with padding so unlock_commit can
 	 * pad safely */
 	ndw = (ndw + rdev->cp.align_mask) & ~rdev->cp.align_mask;
-	mutex_lock(&rdev->cp.mutex);
 	while (ndw > (rdev->cp.ring_free_dw - 1)) {
 		radeon_ring_free_size(rdev);
 		if (ndw < rdev->cp.ring_free_dw) {
 			break;
 		}
 		r = radeon_fence_wait_next(rdev);
-		if (r) {
-			mutex_unlock(&rdev->cp.mutex);
+		if (r)
 			return r;
-		}
 	}
 	rdev->cp.count_dw = ndw;
 	rdev->cp.wptr_old = rdev->cp.wptr;
 	return 0;
 }
 
-void radeon_ring_unlock_commit(struct radeon_device *rdev)
+int radeon_ring_lock(struct radeon_device *rdev, unsigned ndw)
+{
+	int r;
+
+	mutex_lock(&rdev->cp.mutex);
+	r = radeon_ring_alloc(rdev, ndw);
+	if (r) {
+		mutex_unlock(&rdev->cp.mutex);
+		return r;
+	}
+	return 0;
+}
+
+void radeon_ring_commit(struct radeon_device *rdev)
 {
 	unsigned count_dw_pad;
 	unsigned i;
@@ -295,6 +305,11 @@ void radeon_ring_unlock_commit(struct radeon_device *rdev)
 	}
 	DRM_MEMORYBARRIER();
 	radeon_cp_commit(rdev);
+}
+
+void radeon_ring_unlock_commit(struct radeon_device *rdev)
+{
+	radeon_ring_commit(rdev);
 	mutex_unlock(&rdev->cp.mutex);
 }
 

From 01434b4bfba17626fe93a602e540f0004694d9df Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Fri, 30 Apr 2010 15:48:23 -0400
Subject: [PATCH 1966/3638] radeon: Use fences to gate entry to reclocking on
 <r600

GUI idle interrupts don't seem to work terribly well on r500 and earlier,
so let's use a fence instead.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index bded834afa5..1ee7fc9918a 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -76,6 +76,14 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 			msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
 		rdev->irq.gui_idle = false;
 		radeon_irq_set(rdev);
+	} else {
+		struct radeon_fence *fence;
+		radeon_ring_alloc(rdev, 64);
+		radeon_fence_create(rdev, &fence);
+		radeon_fence_emit(rdev, fence);
+		radeon_ring_commit(rdev);
+		radeon_fence_wait(fence, false);
+		radeon_fence_unref(&fence);
 	}
 	radeon_unmap_vram_bos(rdev);
 

From ca2af92311eee95820f3b48c35045e5f56bc1477 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 6 May 2010 11:02:24 -0400
Subject: [PATCH 1967/3638] drm/radeon/kms: fix lock ordering in ring, ib
 handling

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_ring.c | 49 +++++++++++++++-------------
 1 file changed, 27 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 6cc42591abd..261e98a276d 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -219,24 +219,26 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
 void radeon_ib_pool_fini(struct radeon_device *rdev)
 {
 	int r;
+	struct radeon_bo *robj;
 
 	if (!rdev->ib_pool.ready) {
 		return;
 	}
 	mutex_lock(&rdev->ib_pool.mutex);
 	radeon_ib_bogus_cleanup(rdev);
-
-	if (rdev->ib_pool.robj) {
-		r = radeon_bo_reserve(rdev->ib_pool.robj, false);
-		if (likely(r == 0)) {
-			radeon_bo_kunmap(rdev->ib_pool.robj);
-			radeon_bo_unpin(rdev->ib_pool.robj);
-			radeon_bo_unreserve(rdev->ib_pool.robj);
-		}
-		radeon_bo_unref(&rdev->ib_pool.robj);
-		rdev->ib_pool.robj = NULL;
-	}
+	robj = rdev->ib_pool.robj;
+	rdev->ib_pool.robj = NULL;
 	mutex_unlock(&rdev->ib_pool.mutex);
+
+	if (robj) {
+		r = radeon_bo_reserve(robj, false);
+		if (likely(r == 0)) {
+			radeon_bo_kunmap(robj);
+			radeon_bo_unpin(robj);
+			radeon_bo_unreserve(robj);
+		}
+		radeon_bo_unref(&robj);
+	}
 }
 
 
@@ -359,20 +361,23 @@ int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size)
 void radeon_ring_fini(struct radeon_device *rdev)
 {
 	int r;
+	struct radeon_bo *ring_obj;
 
 	mutex_lock(&rdev->cp.mutex);
-	if (rdev->cp.ring_obj) {
-		r = radeon_bo_reserve(rdev->cp.ring_obj, false);
-		if (likely(r == 0)) {
-			radeon_bo_kunmap(rdev->cp.ring_obj);
-			radeon_bo_unpin(rdev->cp.ring_obj);
-			radeon_bo_unreserve(rdev->cp.ring_obj);
-		}
-		radeon_bo_unref(&rdev->cp.ring_obj);
-		rdev->cp.ring = NULL;
-		rdev->cp.ring_obj = NULL;
-	}
+	ring_obj = rdev->cp.ring_obj;
+	rdev->cp.ring = NULL;
+	rdev->cp.ring_obj = NULL;
 	mutex_unlock(&rdev->cp.mutex);
+
+	if (ring_obj) {
+		r = radeon_bo_reserve(ring_obj, false);
+		if (likely(r == 0)) {
+			radeon_bo_kunmap(ring_obj);
+			radeon_bo_unpin(ring_obj);
+			radeon_bo_unreserve(ring_obj);
+		}
+		radeon_bo_unref(&ring_obj);
+	}
 }
 
 

From d7311171c4cc8d6231427f7ac5056b939a184b80 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 3 May 2010 01:13:14 -0400
Subject: [PATCH 1968/3638] drm/radeon/kms/pm: add support for no display power
 states

The lowest power states often cause display problems, so only enable
them when all displays are off.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c      |  9 ++---
 drivers/gpu/drm/radeon/r100.c               | 12 +++++--
 drivers/gpu/drm/radeon/r600.c               | 20 +++++++++--
 drivers/gpu/drm/radeon/radeon.h             |  7 ++--
 drivers/gpu/drm/radeon/radeon_atombios.c    | 37 ++++++++++++++------
 drivers/gpu/drm/radeon/radeon_combios.c     |  2 +-
 drivers/gpu/drm/radeon/radeon_legacy_crtc.c |  9 ++---
 drivers/gpu/drm/radeon/radeon_pm.c          | 38 ++++++++++++++-------
 8 files changed, 94 insertions(+), 40 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 4151ad8affe..03dd6c41dc1 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -245,13 +245,15 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
+		radeon_crtc->enabled = true;
+		/* adjust pm to dpms changes BEFORE enabling crtcs */
+		radeon_pm_compute_clocks(rdev);
 		atombios_enable_crtc(crtc, ATOM_ENABLE);
 		if (ASIC_IS_DCE3(rdev))
 			atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
 		atombios_blank_crtc(crtc, ATOM_DISABLE);
 		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 		radeon_crtc_load_lut(crtc);
-		radeon_crtc->enabled = true;
 		break;
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
@@ -262,11 +264,10 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 			atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
 		atombios_enable_crtc(crtc, ATOM_DISABLE);
 		radeon_crtc->enabled = false;
+		/* adjust pm to dpms changes AFTER disabling crtcs */
+		radeon_pm_compute_clocks(rdev);
 		break;
 	}
-
-	/* adjust pm to dpms change */
-	radeon_pm_compute_clocks(rdev);
 }
 
 static void
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 14b7541df38..4161a35dd3d 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -87,7 +87,7 @@ void r100_get_power_state(struct radeon_device *rdev,
 		} else {
 			if (rdev->pm.active_crtc_count > 1) {
 				for (i = 0; i < rdev->pm.num_power_states; i++) {
-					if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+					if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 						continue;
 					else if (i >= rdev->pm.current_power_state_index) {
 						rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
@@ -101,6 +101,12 @@ void r100_get_power_state(struct radeon_device *rdev,
 				rdev->pm.requested_power_state_index =
 					rdev->pm.current_power_state_index - 1;
 		}
+		/* don't use the power state if crtcs are active and no display flag is set */
+		if ((rdev->pm.active_crtc_count > 0) &&
+		    (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
+		     RADEON_PM_MODE_NO_DISPLAY)) {
+			rdev->pm.requested_power_state_index++;
+		}
 		break;
 	case PM_ACTION_UPCLOCK:
 		if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
@@ -109,7 +115,7 @@ void r100_get_power_state(struct radeon_device *rdev,
 		} else {
 			if (rdev->pm.active_crtc_count > 1) {
 				for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
-					if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+					if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 						continue;
 					else if (i <= rdev->pm.current_power_state_index) {
 						rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
@@ -215,7 +221,7 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
 		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
 		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
 	} else
-		DRM_INFO("GUI not idle!!!\n");
+		DRM_INFO("pm: GUI not idle!!!\n");
 }
 
 void r100_pm_misc(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 75c825cb879..08a328c4165 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -120,7 +120,7 @@ void r600_get_power_state(struct radeon_device *rdev,
 			} else {
 				if (rdev->pm.active_crtc_count > 1) {
 					for (i = 0; i < rdev->pm.num_power_states; i++) {
-						if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+						if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 							continue;
 						else if (i >= rdev->pm.current_power_state_index) {
 							rdev->pm.requested_power_state_index =
@@ -136,6 +136,13 @@ void r600_get_power_state(struct radeon_device *rdev,
 						rdev->pm.current_power_state_index - 1;
 			}
 			rdev->pm.requested_clock_mode_index = 0;
+			/* don't use the power state if crtcs are active and no display flag is set */
+			if ((rdev->pm.active_crtc_count > 0) &&
+			    (rdev->pm.power_state[rdev->pm.requested_power_state_index].
+			     clock_info[rdev->pm.requested_clock_mode_index].flags &
+			     RADEON_PM_MODE_NO_DISPLAY)) {
+				rdev->pm.requested_power_state_index++;
+			}
 			break;
 		case PM_ACTION_UPCLOCK:
 			if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
@@ -144,7 +151,7 @@ void r600_get_power_state(struct radeon_device *rdev,
 			} else {
 				if (rdev->pm.active_crtc_count > 1) {
 					for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
-						if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+						if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 							continue;
 						else if (i <= rdev->pm.current_power_state_index) {
 							rdev->pm.requested_power_state_index =
@@ -179,7 +186,7 @@ void r600_get_power_state(struct radeon_device *rdev,
 			rdev->pm.requested_power_state_index = -1;
 			/* start at 1 as we don't want the default mode */
 			for (i = 1; i < rdev->pm.num_power_states; i++) {
-				if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+				if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 					continue;
 				else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
 					 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
@@ -210,6 +217,13 @@ void r600_get_power_state(struct radeon_device *rdev,
 				rdev->pm.requested_clock_mode_index = 0;
 				rdev->pm.can_downclock = false;
 			}
+			/* don't use the power state if crtcs are active and no display flag is set */
+			if ((rdev->pm.active_crtc_count > 0) &&
+			    (rdev->pm.power_state[rdev->pm.requested_power_state_index].
+			     clock_info[rdev->pm.requested_clock_mode_index].flags &
+			     RADEON_PM_MODE_NO_DISPLAY)) {
+				rdev->pm.requested_clock_mode_index++;
+			}
 			break;
 		case PM_ACTION_UPCLOCK:
 			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index e39e2b4ec97..480a83ff54d 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -658,6 +658,9 @@ struct radeon_voltage {
 	u32 voltage;
 };
 
+/* clock mode flags */
+#define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
+
 struct radeon_pm_clock_info {
 	/* memory clock */
 	u32 mclk;
@@ -665,12 +668,12 @@ struct radeon_pm_clock_info {
 	u32 sclk;
 	/* voltage info */
 	struct radeon_voltage voltage;
-	/* standardized clock flags - not sure we'll need these */
+	/* standardized clock flags */
 	u32 flags;
 };
 
 /* state flags */
-#define RADEON_PM_SINGLE_DISPLAY_ONLY (1 << 0)
+#define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
 
 struct radeon_power_state {
 	enum radeon_pm_state_type type;
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index c29ac74a1d2..9149e4a3af0 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1549,7 +1549,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
 							power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
 					}
-					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+					rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 					rdev->pm.power_state[state_index].misc = misc;
 					/* order matters! */
 					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
@@ -1568,7 +1568,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_PERFORMANCE;
 						rdev->pm.power_state[state_index].flags &=
-							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+							~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 					}
 					if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
 						rdev->pm.power_state[state_index].type =
@@ -1577,7 +1577,10 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].default_clock_mode =
 							&rdev->pm.power_state[state_index].clock_info[0];
 						rdev->pm.power_state[state_index].flags &=
-							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+							~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+					} else if (state_index == 0) {
+						rdev->pm.power_state[state_index].clock_info[0].flags |=
+							RADEON_PM_MODE_NO_DISPLAY;
 					}
 					state_index++;
 					break;
@@ -1613,7 +1616,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
 							power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
 					}
-					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+					rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 					rdev->pm.power_state[state_index].misc = misc;
 					rdev->pm.power_state[state_index].misc2 = misc2;
 					/* order matters! */
@@ -1633,14 +1636,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_PERFORMANCE;
 						rdev->pm.power_state[state_index].flags &=
-							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+							~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 					}
 					if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_BALANCED;
 					if (misc2 & ATOM_PM_MISCINFO2_MULTI_DISPLAY_SUPPORT)
 						rdev->pm.power_state[state_index].flags &=
-							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+							~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 					if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_DEFAULT;
@@ -1648,7 +1651,10 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].default_clock_mode =
 							&rdev->pm.power_state[state_index].clock_info[0];
 						rdev->pm.power_state[state_index].flags &=
-							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+							~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+					} else if (state_index == 0) {
+						rdev->pm.power_state[state_index].clock_info[0].flags |=
+							RADEON_PM_MODE_NO_DISPLAY;
 					}
 					state_index++;
 					break;
@@ -1690,7 +1696,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 							power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
 						}
 					}
-					rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+					rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 					rdev->pm.power_state[state_index].misc = misc;
 					rdev->pm.power_state[state_index].misc2 = misc2;
 					/* order matters! */
@@ -1710,7 +1716,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_PERFORMANCE;
 						rdev->pm.power_state[state_index].flags &=
-							~RADEON_PM_SINGLE_DISPLAY_ONLY;
+							~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 					}
 					if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
 						rdev->pm.power_state[state_index].type =
@@ -1721,6 +1727,9 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						rdev->pm.default_power_state_index = state_index;
 						rdev->pm.power_state[state_index].default_clock_mode =
 							&rdev->pm.power_state[state_index].clock_info[0];
+					} else if (state_index == 0) {
+						rdev->pm.power_state[state_index].clock_info[0].flags |=
+							RADEON_PM_MODE_NO_DISPLAY;
 					}
 					state_index++;
 					break;
@@ -1734,7 +1743,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 				rdev->pm.power_state[state_index - 1].default_clock_mode =
 					&rdev->pm.power_state[state_index - 1].clock_info[0];
 				rdev->pm.power_state[state_index].flags &=
-					~RADEON_PM_SINGLE_DISPLAY_ONLY;
+					~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 				rdev->pm.power_state[state_index].misc = 0;
 				rdev->pm.power_state[state_index].misc2 = 0;
 			}
@@ -1881,7 +1890,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					rdev->pm.power_state[state_index].flags = 0;
 					if (misc & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
 						rdev->pm.power_state[state_index].flags |=
-							RADEON_PM_SINGLE_DISPLAY_ONLY;
+							RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 					if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
 						rdev->pm.power_state[state_index].type =
 							POWER_STATE_TYPE_DEFAULT;
@@ -1892,6 +1901,12 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					state_index++;
 				}
 			}
+			/* if multiple clock modes, mark the lowest as no display */
+			for (i = 0; i < state_index; i++) {
+				if (rdev->pm.power_state[i].num_clock_modes > 1)
+					rdev->pm.power_state[i].clock_info[0].flags |=
+						RADEON_PM_MODE_NO_DISPLAY;
+			}
 			/* first mode is usually default */
 			if (rdev->pm.default_power_state_index == -1) {
 				rdev->pm.power_state[0].type =
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index c22344b7fc5..93f18bbf744 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2437,7 +2437,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
 			if (rev > 6)
 				rdev->pm.power_state[state_index].pcie_lanes =
 					RBIOS8(offset + 0x5 + 0x10);
-			rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
 			state_index++;
 		} else {
 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 7701d42c480..e1e5255396a 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -314,6 +314,9 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
+		radeon_crtc->enabled = true;
+		/* adjust pm to dpms changes BEFORE enabling crtcs */
+		radeon_pm_compute_clocks(rdev);
 		if (radeon_crtc->crtc_id)
 			WREG32_P(RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_EN, ~(RADEON_CRTC2_EN | mask));
 		else {
@@ -323,7 +326,6 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 		}
 		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 		radeon_crtc_load_lut(crtc);
-		radeon_crtc->enabled = true;
 		break;
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
@@ -337,11 +339,10 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 			WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask);
 		}
 		radeon_crtc->enabled = false;
+		/* adjust pm to dpms changes AFTER disabling crtcs */
+		radeon_pm_compute_clocks(rdev);
 		break;
 	}
-
-	/* adjust pm to dpms change */
-	radeon_pm_compute_clocks(rdev);
 }
 
 int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 1ee7fc9918a..0dfa508fe5f 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -58,7 +58,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 {
 	int i;
 
-	if (!static_switch)
+	if (rdev->pm.state != PM_STATE_DISABLED)
 		radeon_get_power_state(rdev, rdev->pm.planned_action);
 
 	mutex_lock(&rdev->ddev->struct_mutex);
@@ -147,8 +147,11 @@ static ssize_t radeon_set_power_state_static(struct device *dev,
 	mutex_lock(&rdev->pm.mutex);
 	if ((ps >= 0) && (ps < rdev->pm.num_power_states) &&
 	    (cm >= 0) && (cm < rdev->pm.power_state[ps].num_clock_modes)) {
-		if ((rdev->pm.active_crtc_count > 1) &&
-		    (rdev->pm.power_state[ps].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)) {
+		if ((rdev->pm.active_crtc_count > 0) &&
+		    (rdev->pm.power_state[ps].clock_info[cm].flags & RADEON_PM_MODE_NO_DISPLAY)) {
+			DRM_ERROR("Invalid power state for display: %d.%d\n", ps, cm);
+		} else if ((rdev->pm.active_crtc_count > 1) &&
+			   (rdev->pm.power_state[ps].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)) {
 			DRM_ERROR("Invalid power state for multi-head: %d.%d\n", ps, cm);
 		} else {
 			/* disable dynpm */
@@ -248,7 +251,7 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
 			 is_default ? "(default)" : "");
 		if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
 			DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].pcie_lanes);
-		if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+		if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 			DRM_INFO("\tSingle display only\n");
 		DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);
 		for (j = 0; j < rdev->pm.power_state[i].num_clock_modes; j++) {
@@ -261,6 +264,8 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
 					 j,
 					 rdev->pm.power_state[i].clock_info[j].sclk * 10,
 					 rdev->pm.power_state[i].clock_info[j].mclk * 10);
+			if (rdev->pm.power_state[i].clock_info[j].flags & RADEON_PM_MODE_NO_DISPLAY)
+				DRM_INFO("\t\tNo display only\n");
 		}
 	}
 }
@@ -318,7 +323,7 @@ void radeon_pm_fini(struct radeon_device *rdev)
 		/* reset default clocks */
 		rdev->pm.state = PM_STATE_DISABLED;
 		rdev->pm.planned_action = PM_ACTION_DEFAULT;
-		radeon_pm_set_clocks(rdev, false);
+		radeon_pm_set_clocks(rdev, true);
 	} else if ((rdev->pm.current_power_state_index !=
 		    rdev->pm.default_power_state_index) ||
 		   (rdev->pm.current_clock_mode_index != 0)) {
@@ -342,9 +347,6 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	struct drm_crtc *crtc;
 	struct radeon_crtc *radeon_crtc;
 
-	if (rdev->pm.state == PM_STATE_DISABLED)
-		return;
-
 	mutex_lock(&rdev->pm.mutex);
 
 	rdev->pm.active_crtcs = 0;
@@ -358,13 +360,22 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 		}
 	}
 
+	if (rdev->pm.state == PM_STATE_DISABLED) {
+		mutex_unlock(&rdev->pm.mutex);
+		return;
+	}
+
+	/* Note, radeon_pm_set_clocks is called with static_switch set
+	 * to true since we always want to statically set the clocks,
+	 * not wait for vbl.
+	 */
 	if (rdev->pm.active_crtc_count > 1) {
 		if (rdev->pm.state == PM_STATE_ACTIVE) {
 			cancel_delayed_work(&rdev->pm.idle_work);
 
 			rdev->pm.state = PM_STATE_PAUSED;
-			rdev->pm.planned_action = PM_ACTION_UPCLOCK;
-			radeon_pm_set_clocks(rdev, false);
+			rdev->pm.planned_action = PM_ACTION_DEFAULT;
+			radeon_pm_set_clocks(rdev, true);
 
 			DRM_DEBUG("radeon: dynamic power management deactivated\n");
 		}
@@ -374,7 +385,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 		if (rdev->pm.state == PM_STATE_MINIMUM) {
 			rdev->pm.state = PM_STATE_ACTIVE;
 			rdev->pm.planned_action = PM_ACTION_UPCLOCK;
-			radeon_pm_set_clocks(rdev, false);
+			radeon_pm_set_clocks(rdev, true);
 
 			queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
 				msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
@@ -390,7 +401,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 
 			rdev->pm.state = PM_STATE_MINIMUM;
 			rdev->pm.planned_action = PM_ACTION_MINIMUM;
-			radeon_pm_set_clocks(rdev, false);
+			radeon_pm_set_clocks(rdev, true);
 		}
 	}
 
@@ -526,6 +537,9 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 			}
 		}
 
+		/* Note, radeon_pm_set_clocks is called with static_switch set
+		 * to false since we want to wait for vbl to avoid flicker.
+		 */
 		if (rdev->pm.planned_action != PM_ACTION_NONE &&
 		    jiffies > rdev->pm.action_timeout) {
 			radeon_pm_set_clocks(rdev, false);

From ce8f53709bf440100cb9d31b1303291551cf517f Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 7 May 2010 15:10:16 -0400
Subject: [PATCH 1969/3638] drm/radeon/kms/pm: rework power management

- Separate dynpm and profile based power management methods.  You can select the pm method
  by echoing the selected method ("dynpm" or "profile") to power_method in sysfs.
- Expose basic 4 profile in profile method
  "default" - default clocks
  "auto" - select between low and high based on ac/dc state
  "low" - DC, low power mode
  "high" - AC, performance mode
  The current base profile is "default", but it should switched to "auto" once we've tested
  on more systems.  Switching the state is a matter of echoing the requested profile to
  power_profile in sysfs.  The lowest power states are selected automatically when dpms turns
  the monitors off in all states but default.
- Remove dynamic fence-based reclocking for the moment.  We can revisit this later once we
  have basic pm in.
- Move pm init/fini to modesetting path.  pm is tightly coupled with display state.  Make sure
  display side is initialized before pm.
- Add pm suspend/resume functions to make sure pm state is properly reinitialized on resume.
- Remove dynpm module option.  It's now selectable via sysfs.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/Kconfig          |   1 +
 drivers/gpu/drm/radeon/evergreen.c      |   3 -
 drivers/gpu/drm/radeon/r100.c           | 126 ++---
 drivers/gpu/drm/radeon/r300.c           |   3 -
 drivers/gpu/drm/radeon/r420.c           |  32 +-
 drivers/gpu/drm/radeon/r520.c           |   2 -
 drivers/gpu/drm/radeon/r600.c           | 332 +++++++++----
 drivers/gpu/drm/radeon/radeon.h         |  87 ++--
 drivers/gpu/drm/radeon/radeon_asic.c    |  56 +--
 drivers/gpu/drm/radeon/radeon_asic.h    |  12 +-
 drivers/gpu/drm/radeon/radeon_device.c  |   2 +
 drivers/gpu/drm/radeon/radeon_display.c |   4 +
 drivers/gpu/drm/radeon/radeon_drv.c     |   4 -
 drivers/gpu/drm/radeon/radeon_pm.c      | 624 +++++++++++++++---------
 drivers/gpu/drm/radeon/rs400.c          |   3 -
 drivers/gpu/drm/radeon/rs600.c          |   3 -
 drivers/gpu/drm/radeon/rs690.c          |   3 -
 drivers/gpu/drm/radeon/rv515.c          |   3 -
 drivers/gpu/drm/radeon/rv770.c          |   3 -
 19 files changed, 787 insertions(+), 516 deletions(-)

diff --git a/drivers/gpu/drm/radeon/Kconfig b/drivers/gpu/drm/radeon/Kconfig
index 1c02d23f6fc..80c5b3ea28b 100644
--- a/drivers/gpu/drm/radeon/Kconfig
+++ b/drivers/gpu/drm/radeon/Kconfig
@@ -1,6 +1,7 @@
 config DRM_RADEON_KMS
 	bool "Enable modesetting on radeon by default - NEW DRIVER"
 	depends on DRM_RADEON
+	depends on POWER_SUPPLY
 	help
 	  Choose this option if you want kernel modesetting enabled by default.
 
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 8d86d0568d9..8c8e4d3cbaa 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2115,8 +2115,6 @@ int evergreen_init(struct radeon_device *rdev)
 	r = radeon_clocks_init(rdev);
 	if (r)
 		return r;
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
 	if (r)
@@ -2178,7 +2176,6 @@ int evergreen_init(struct radeon_device *rdev)
 
 void evergreen_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	/*r600_blit_fini(rdev);*/
 	r700_cp_fini(rdev);
 	r600_wb_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 4161a35dd3d..4c5d21bfa2c 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -68,22 +68,21 @@ MODULE_FIRMWARE(FIRMWARE_R520);
  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  */
 
-void r100_get_power_state(struct radeon_device *rdev,
-			  enum radeon_pm_action action)
+void r100_pm_get_dynpm_state(struct radeon_device *rdev)
 {
 	int i;
-	rdev->pm.can_upclock = true;
-	rdev->pm.can_downclock = true;
+	rdev->pm.dynpm_can_upclock = true;
+	rdev->pm.dynpm_can_downclock = true;
 
-	switch (action) {
-	case PM_ACTION_MINIMUM:
+	switch (rdev->pm.dynpm_planned_action) {
+	case DYNPM_ACTION_MINIMUM:
 		rdev->pm.requested_power_state_index = 0;
-		rdev->pm.can_downclock = false;
+		rdev->pm.dynpm_can_downclock = false;
 		break;
-	case PM_ACTION_DOWNCLOCK:
+	case DYNPM_ACTION_DOWNCLOCK:
 		if (rdev->pm.current_power_state_index == 0) {
 			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
-			rdev->pm.can_downclock = false;
+			rdev->pm.dynpm_can_downclock = false;
 		} else {
 			if (rdev->pm.active_crtc_count > 1) {
 				for (i = 0; i < rdev->pm.num_power_states; i++) {
@@ -108,10 +107,10 @@ void r100_get_power_state(struct radeon_device *rdev,
 			rdev->pm.requested_power_state_index++;
 		}
 		break;
-	case PM_ACTION_UPCLOCK:
+	case DYNPM_ACTION_UPCLOCK:
 		if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
-			rdev->pm.can_upclock = false;
+			rdev->pm.dynpm_can_upclock = false;
 		} else {
 			if (rdev->pm.active_crtc_count > 1) {
 				for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
@@ -130,11 +129,11 @@ void r100_get_power_state(struct radeon_device *rdev,
 					rdev->pm.current_power_state_index + 1;
 		}
 		break;
-	case PM_ACTION_DEFAULT:
+	case DYNPM_ACTION_DEFAULT:
 		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
-		rdev->pm.can_upclock = false;
+		rdev->pm.dynpm_can_upclock = false;
 		break;
-	case PM_ACTION_NONE:
+	case DYNPM_ACTION_NONE:
 	default:
 		DRM_ERROR("Requested mode for not defined action\n");
 		return;
@@ -151,77 +150,33 @@ void r100_get_power_state(struct radeon_device *rdev,
 		 pcie_lanes);
 }
 
-void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
+void r100_pm_init_profile(struct radeon_device *rdev)
 {
-	u32 sclk, mclk;
-
-	if (rdev->pm.current_power_state_index == rdev->pm.requested_power_state_index)
-		return;
-
-	if (radeon_gui_idle(rdev)) {
-
-		sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
-			clock_info[rdev->pm.requested_clock_mode_index].sclk;
-		if (sclk > rdev->clock.default_sclk)
-			sclk = rdev->clock.default_sclk;
-
-		mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
-			clock_info[rdev->pm.requested_clock_mode_index].mclk;
-		if (mclk > rdev->clock.default_mclk)
-			mclk = rdev->clock.default_mclk;
-		/* don't change the mclk with multiple crtcs */
-		if (rdev->pm.active_crtc_count > 1)
-			mclk = rdev->clock.default_mclk;
-
-		/* voltage, pcie lanes, etc.*/
-		radeon_pm_misc(rdev);
-
-		if (static_switch) {
-			radeon_pm_prepare(rdev);
-			/* set engine clock */
-			if (sclk != rdev->pm.current_sclk) {
-				radeon_set_engine_clock(rdev, sclk);
-				rdev->pm.current_sclk = sclk;
-				DRM_INFO("Setting: e: %d\n", sclk);
-			}
-			/* set memory clock */
-			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-				radeon_set_memory_clock(rdev, mclk);
-				rdev->pm.current_mclk = mclk;
-				DRM_INFO("Setting: m: %d\n", mclk);
-			}
-			radeon_pm_finish(rdev);
-		} else {
-			radeon_sync_with_vblank(rdev);
-
-			if (!radeon_pm_in_vbl(rdev))
-				return;
-
-			radeon_pm_prepare(rdev);
-			/* set engine clock */
-			if (sclk != rdev->pm.current_sclk) {
-				radeon_pm_debug_check_in_vbl(rdev, false);
-				radeon_set_engine_clock(rdev, sclk);
-				radeon_pm_debug_check_in_vbl(rdev, true);
-				rdev->pm.current_sclk = sclk;
-				DRM_INFO("Setting: e: %d\n", sclk);
-			}
-
-			/* set memory clock */
-			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-				radeon_pm_debug_check_in_vbl(rdev, false);
-				radeon_set_memory_clock(rdev, mclk);
-				radeon_pm_debug_check_in_vbl(rdev, true);
-				rdev->pm.current_mclk = mclk;
-				DRM_INFO("Setting: m: %d\n", mclk);
-			}
-			radeon_pm_finish(rdev);
-		}
-
-		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
-		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
-	} else
-		DRM_INFO("pm: GUI not idle!!!\n");
+	/* default */
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+	/* low sh */
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+	/* high sh */
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+	/* low mh */
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+	/* high mh */
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 }
 
 void r100_pm_misc(struct radeon_device *rdev)
@@ -3815,7 +3770,6 @@ int r100_suspend(struct radeon_device *rdev)
 
 void r100_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -3871,8 +3825,6 @@ int r100_init(struct radeon_device *rdev)
 	r100_errata(rdev);
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize AGP */
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 5d622cb39b3..5c54db51de8 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1345,7 +1345,6 @@ int r300_suspend(struct radeon_device *rdev)
 
 void r300_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -1401,8 +1400,6 @@ int r300_init(struct radeon_device *rdev)
 	r300_errata(rdev);
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize AGP */
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 3759d838429..87c0e384003 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -36,6 +36,35 @@
 #include "r420d.h"
 #include "r420_reg_safe.h"
 
+void r420_pm_init_profile(struct radeon_device *rdev)
+{
+	/* default */
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+	/* low sh */
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+	/* high sh */
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+	/* low mh */
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+	/* high mh */
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+}
+
 static void r420_set_reg_safe(struct radeon_device *rdev)
 {
 	rdev->config.r300.reg_safe_bm = r420_reg_safe_bm;
@@ -268,7 +297,6 @@ int r420_suspend(struct radeon_device *rdev)
 
 void r420_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -328,8 +356,6 @@ int r420_init(struct radeon_device *rdev)
 
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize AGP */
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index 870111e26bd..34330df2848 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -261,8 +261,6 @@ int r520_init(struct radeon_device *rdev)
 	}
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize AGP */
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 08a328c4165..618d76d366a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -92,13 +92,12 @@ void r600_gpu_init(struct radeon_device *rdev);
 void r600_fini(struct radeon_device *rdev);
 void r600_irq_disable(struct radeon_device *rdev);
 
-void r600_get_power_state(struct radeon_device *rdev,
-			  enum radeon_pm_action action)
+void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 {
 	int i;
 
-	rdev->pm.can_upclock = true;
-	rdev->pm.can_downclock = true;
+	rdev->pm.dynpm_can_upclock = true;
+	rdev->pm.dynpm_can_downclock = true;
 
 	/* power state array is low to high, default is first */
 	if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
@@ -107,16 +106,16 @@ void r600_get_power_state(struct radeon_device *rdev,
 		if (rdev->pm.num_power_states > 2)
 			min_power_state_index = 1;
 
-		switch (action) {
-		case PM_ACTION_MINIMUM:
+		switch (rdev->pm.dynpm_planned_action) {
+		case DYNPM_ACTION_MINIMUM:
 			rdev->pm.requested_power_state_index = min_power_state_index;
 			rdev->pm.requested_clock_mode_index = 0;
-			rdev->pm.can_downclock = false;
+			rdev->pm.dynpm_can_downclock = false;
 			break;
-		case PM_ACTION_DOWNCLOCK:
+		case DYNPM_ACTION_DOWNCLOCK:
 			if (rdev->pm.current_power_state_index == min_power_state_index) {
 				rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
-				rdev->pm.can_downclock = false;
+				rdev->pm.dynpm_can_downclock = false;
 			} else {
 				if (rdev->pm.active_crtc_count > 1) {
 					for (i = 0; i < rdev->pm.num_power_states; i++) {
@@ -144,10 +143,10 @@ void r600_get_power_state(struct radeon_device *rdev,
 				rdev->pm.requested_power_state_index++;
 			}
 			break;
-		case PM_ACTION_UPCLOCK:
+		case DYNPM_ACTION_UPCLOCK:
 			if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 				rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
-				rdev->pm.can_upclock = false;
+				rdev->pm.dynpm_can_upclock = false;
 			} else {
 				if (rdev->pm.active_crtc_count > 1) {
 					for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
@@ -168,12 +167,12 @@ void r600_get_power_state(struct radeon_device *rdev,
 			}
 			rdev->pm.requested_clock_mode_index = 0;
 			break;
-		case PM_ACTION_DEFAULT:
+		case DYNPM_ACTION_DEFAULT:
 			rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 			rdev->pm.requested_clock_mode_index = 0;
-			rdev->pm.can_upclock = false;
+			rdev->pm.dynpm_can_upclock = false;
 			break;
-		case PM_ACTION_NONE:
+		case DYNPM_ACTION_NONE:
 		default:
 			DRM_ERROR("Requested mode for not defined action\n");
 			return;
@@ -200,22 +199,22 @@ void r600_get_power_state(struct radeon_device *rdev,
 		} else
 			rdev->pm.requested_power_state_index = 1;
 
-		switch (action) {
-		case PM_ACTION_MINIMUM:
+		switch (rdev->pm.dynpm_planned_action) {
+		case DYNPM_ACTION_MINIMUM:
 			rdev->pm.requested_clock_mode_index = 0;
-			rdev->pm.can_downclock = false;
+			rdev->pm.dynpm_can_downclock = false;
 			break;
-		case PM_ACTION_DOWNCLOCK:
+		case DYNPM_ACTION_DOWNCLOCK:
 			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 				if (rdev->pm.current_clock_mode_index == 0) {
 					rdev->pm.requested_clock_mode_index = 0;
-					rdev->pm.can_downclock = false;
+					rdev->pm.dynpm_can_downclock = false;
 				} else
 					rdev->pm.requested_clock_mode_index =
 						rdev->pm.current_clock_mode_index - 1;
 			} else {
 				rdev->pm.requested_clock_mode_index = 0;
-				rdev->pm.can_downclock = false;
+				rdev->pm.dynpm_can_downclock = false;
 			}
 			/* don't use the power state if crtcs are active and no display flag is set */
 			if ((rdev->pm.active_crtc_count > 0) &&
@@ -225,27 +224,27 @@ void r600_get_power_state(struct radeon_device *rdev,
 				rdev->pm.requested_clock_mode_index++;
 			}
 			break;
-		case PM_ACTION_UPCLOCK:
+		case DYNPM_ACTION_UPCLOCK:
 			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 				if (rdev->pm.current_clock_mode_index ==
 				    (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
 					rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
-					rdev->pm.can_upclock = false;
+					rdev->pm.dynpm_can_upclock = false;
 				} else
 					rdev->pm.requested_clock_mode_index =
 						rdev->pm.current_clock_mode_index + 1;
 			} else {
 				rdev->pm.requested_clock_mode_index =
 					rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
-				rdev->pm.can_upclock = false;
+				rdev->pm.dynpm_can_upclock = false;
 			}
 			break;
-		case PM_ACTION_DEFAULT:
+		case DYNPM_ACTION_DEFAULT:
 			rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 			rdev->pm.requested_clock_mode_index = 0;
-			rdev->pm.can_upclock = false;
+			rdev->pm.dynpm_can_upclock = false;
 			break;
-		case PM_ACTION_NONE:
+		case DYNPM_ACTION_NONE:
 		default:
 			DRM_ERROR("Requested mode for not defined action\n");
 			return;
@@ -261,73 +260,225 @@ void r600_get_power_state(struct radeon_device *rdev,
 		 pcie_lanes);
 }
 
-void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
+static int r600_pm_get_type_index(struct radeon_device *rdev,
+				  enum radeon_pm_state_type ps_type,
+				  int instance)
 {
-	u32 sclk, mclk;
+	int i;
+	int found_instance = -1;
 
-	if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) &&
-	    (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index))
-		return;
-
-	if (radeon_gui_idle(rdev)) {
-		sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
-			clock_info[rdev->pm.requested_clock_mode_index].sclk;
-		if (sclk > rdev->clock.default_sclk)
-			sclk = rdev->clock.default_sclk;
-
-		mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
-			clock_info[rdev->pm.requested_clock_mode_index].mclk;
-		if (mclk > rdev->clock.default_mclk)
-			mclk = rdev->clock.default_mclk;
-
-		/* voltage, pcie lanes, etc.*/
-		radeon_pm_misc(rdev);
-
-		if (static_switch) {
-			radeon_pm_prepare(rdev);
-			/* set engine clock */
-			if (sclk != rdev->pm.current_sclk) {
-				radeon_set_engine_clock(rdev, sclk);
-				rdev->pm.current_sclk = sclk;
-				DRM_INFO("Setting: e: %d\n", sclk);
-			}
-			/* set memory clock */
-			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-				radeon_set_memory_clock(rdev, mclk);
-				rdev->pm.current_mclk = mclk;
-				DRM_INFO("Setting: m: %d\n", mclk);
-			}
-			radeon_pm_finish(rdev);
-		} else {
-			radeon_sync_with_vblank(rdev);
-
-			if (!radeon_pm_in_vbl(rdev))
-				return;
-
-			radeon_pm_prepare(rdev);
-			if (sclk != rdev->pm.current_sclk) {
-				radeon_pm_debug_check_in_vbl(rdev, false);
-				radeon_set_engine_clock(rdev, sclk);
-				radeon_pm_debug_check_in_vbl(rdev, true);
-				rdev->pm.current_sclk = sclk;
-				DRM_INFO("Setting: e: %d\n", sclk);
-			}
-
-			/* set memory clock */
-			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
-				radeon_pm_debug_check_in_vbl(rdev, false);
-				radeon_set_memory_clock(rdev, mclk);
-				radeon_pm_debug_check_in_vbl(rdev, true);
-				rdev->pm.current_mclk = mclk;
-				DRM_INFO("Setting: m: %d\n", mclk);
-			}
-			radeon_pm_finish(rdev);
+	for (i = 0; i < rdev->pm.num_power_states; i++) {
+		if (rdev->pm.power_state[i].type == ps_type) {
+			found_instance++;
+			if (found_instance == instance)
+				return i;
 		}
+	}
+	/* return default if no match */
+	return rdev->pm.default_power_state_index;
+}
 
-		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
-		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
-	} else
-		DRM_INFO("GUI not idle!!!\n");
+void rs780_pm_init_profile(struct radeon_device *rdev)
+{
+	if (rdev->pm.num_power_states == 2) {
+		/* default */
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+		/* low sh */
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+		/* high sh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+		/* low mh */
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+		/* high mh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+	} else if (rdev->pm.num_power_states == 3) {
+		/* default */
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+		/* low sh */
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+		/* high sh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+		/* low mh */
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+		/* high mh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+	} else {
+		/* default */
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+		/* low sh */
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+		/* high sh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+		/* low mh */
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+		/* high mh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+	}
+}
+
+void r600_pm_init_profile(struct radeon_device *rdev)
+{
+	if (rdev->family == CHIP_R600) {
+		/* XXX */
+		/* default */
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
+		/* low sh */
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
+		/* high sh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
+		/* low mh */
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
+		/* high mh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
+	} else if (rdev->flags & RADEON_IS_MOBILITY) {
+		/* default */
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
+		/* low sh */
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
+			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
+			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
+		/* high sh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
+			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
+			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
+		/* low mh */
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
+			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
+			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
+		/* high mh */
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
+			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
+			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
+	} else {
+		if (rdev->pm.num_power_states < 4) {
+			/* default */
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
+			/* low sh */
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
+			/* high sh */
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
+			/* low mh */
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
+			/* high mh */
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
+		} else {
+			/* default */
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
+			/* low sh */
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
+			/* high sh */
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
+			/* low mh */
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 3;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 3;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
+			/* high mh */
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 3;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
+		}
+	}
 }
 
 void r600_pm_misc(struct radeon_device *rdev)
@@ -2320,8 +2471,6 @@ int r600_init(struct radeon_device *rdev)
 	r = radeon_clocks_init(rdev);
 	if (r)
 		return r;
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
 	if (r)
@@ -2386,7 +2535,6 @@ int r600_init(struct radeon_device *rdev)
 
 void r600_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r600_audio_fini(rdev);
 	r600_blit_fini(rdev);
 	r600_cp_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 480a83ff54d..5c9ce2beaca 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -89,7 +89,6 @@ extern int radeon_testing;
 extern int radeon_connector_table;
 extern int radeon_tv;
 extern int radeon_new_pll;
-extern int radeon_dynpm;
 extern int radeon_audio;
 extern int radeon_disp_priority;
 extern int radeon_hw_i2c;
@@ -173,11 +172,10 @@ struct radeon_clock {
 int radeon_pm_init(struct radeon_device *rdev);
 void radeon_pm_fini(struct radeon_device *rdev);
 void radeon_pm_compute_clocks(struct radeon_device *rdev);
+void radeon_pm_suspend(struct radeon_device *rdev);
+void radeon_pm_resume(struct radeon_device *rdev);
 void radeon_combios_get_power_modes(struct radeon_device *rdev);
 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
-bool radeon_pm_in_vbl(struct radeon_device *rdev);
-bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
-void radeon_sync_with_vblank(struct radeon_device *rdev);
 
 /*
  * Fences.
@@ -608,18 +606,24 @@ struct radeon_wb {
  * Equation between gpu/memory clock and available bandwidth is hw dependent
  * (type of memory, bus size, efficiency, ...)
  */
-enum radeon_pm_state {
-	PM_STATE_DISABLED,
-	PM_STATE_MINIMUM,
-	PM_STATE_PAUSED,
-	PM_STATE_ACTIVE
+
+enum radeon_pm_method {
+	PM_METHOD_PROFILE,
+	PM_METHOD_DYNPM,
 };
-enum radeon_pm_action {
-	PM_ACTION_NONE,
-	PM_ACTION_MINIMUM,
-	PM_ACTION_DOWNCLOCK,
-	PM_ACTION_UPCLOCK,
-	PM_ACTION_DEFAULT
+
+enum radeon_dynpm_state {
+	DYNPM_STATE_DISABLED,
+	DYNPM_STATE_MINIMUM,
+	DYNPM_STATE_PAUSED,
+	DYNPM_STATE_ACTIVE
+};
+enum radeon_dynpm_action {
+	DYNPM_ACTION_NONE,
+	DYNPM_ACTION_MINIMUM,
+	DYNPM_ACTION_DOWNCLOCK,
+	DYNPM_ACTION_UPCLOCK,
+	DYNPM_ACTION_DEFAULT
 };
 
 enum radeon_voltage_type {
@@ -637,11 +641,25 @@ enum radeon_pm_state_type {
 	POWER_STATE_TYPE_PERFORMANCE,
 };
 
-enum radeon_pm_clock_mode_type {
-	POWER_MODE_TYPE_DEFAULT,
-	POWER_MODE_TYPE_LOW,
-	POWER_MODE_TYPE_MID,
-	POWER_MODE_TYPE_HIGH,
+enum radeon_pm_profile_type {
+	PM_PROFILE_DEFAULT,
+	PM_PROFILE_AUTO,
+	PM_PROFILE_LOW,
+	PM_PROFILE_HIGH,
+};
+
+#define PM_PROFILE_DEFAULT_IDX 0
+#define PM_PROFILE_LOW_SH_IDX  1
+#define PM_PROFILE_HIGH_SH_IDX 2
+#define PM_PROFILE_LOW_MH_IDX  3
+#define PM_PROFILE_HIGH_MH_IDX 4
+#define PM_PROFILE_MAX         5
+
+struct radeon_pm_profile {
+	int dpms_off_ps_idx;
+	int dpms_on_ps_idx;
+	int dpms_off_cm_idx;
+	int dpms_on_cm_idx;
 };
 
 struct radeon_voltage {
@@ -696,12 +714,6 @@ struct radeon_power_state {
 
 struct radeon_pm {
 	struct mutex		mutex;
-	struct delayed_work	idle_work;
-	enum radeon_pm_state	state;
-	enum radeon_pm_action	planned_action;
-	unsigned long		action_timeout;
-	bool                    can_upclock;
-	bool                    can_downclock;
 	u32			active_crtcs;
 	int			active_crtc_count;
 	int			req_vblank;
@@ -731,6 +743,19 @@ struct radeon_pm {
 	u32                     current_sclk;
 	u32                     current_mclk;
 	struct radeon_i2c_chan *i2c_bus;
+	/* selected pm method */
+	enum radeon_pm_method     pm_method;
+	/* dynpm power management */
+	struct delayed_work	dynpm_idle_work;
+	enum radeon_dynpm_state	dynpm_state;
+	enum radeon_dynpm_action	dynpm_planned_action;
+	unsigned long		dynpm_action_timeout;
+	bool                    dynpm_can_upclock;
+	bool                    dynpm_can_downclock;
+	/* profile-based power management */
+	enum radeon_pm_profile_type profile;
+	int                     profile_index;
+	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
 };
 
 
@@ -819,11 +844,12 @@ struct radeon_asic {
 	 */
 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
 	bool (*gui_idle)(struct radeon_device *rdev);
-	void (*get_power_state)(struct radeon_device *rdev, enum radeon_pm_action action);
-	void (*set_power_state)(struct radeon_device *rdev, bool static_switch);
+	/* power management */
 	void (*pm_misc)(struct radeon_device *rdev);
 	void (*pm_prepare)(struct radeon_device *rdev);
 	void (*pm_finish)(struct radeon_device *rdev);
+	void (*pm_init_profile)(struct radeon_device *rdev);
+	void (*pm_get_dynpm_state)(struct radeon_device *rdev);
 };
 
 /*
@@ -1041,6 +1067,7 @@ struct radeon_device {
 	uint8_t			audio_category_code;
 
 	bool powered_down;
+	struct notifier_block acpi_nb;
 };
 
 int radeon_device_init(struct radeon_device *rdev,
@@ -1232,11 +1259,11 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
 #define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
-#define radeon_get_power_state(rdev, a) (rdev)->asic->get_power_state((rdev), (a))
-#define radeon_set_power_state(rdev, s) (rdev)->asic->set_power_state((rdev), (s))
 #define radeon_pm_misc(rdev) (rdev)->asic->pm_misc((rdev))
 #define radeon_pm_prepare(rdev) (rdev)->asic->pm_prepare((rdev))
 #define radeon_pm_finish(rdev) (rdev)->asic->pm_finish((rdev))
+#define radeon_pm_init_profile(rdev) (rdev)->asic->pm_init_profile((rdev))
+#define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm_get_dynpm_state((rdev))
 
 /* Common functions */
 /* AGP */
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 1e6f17bf54f..e57df08d4ae 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -166,11 +166,11 @@ static struct radeon_asic r100_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &r100_pm_misc,
 	.pm_prepare = &r100_pm_prepare,
 	.pm_finish = &r100_pm_finish,
+	.pm_init_profile = &r100_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic r200_asic = {
@@ -210,11 +210,11 @@ static struct radeon_asic r200_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &r100_pm_misc,
 	.pm_prepare = &r100_pm_prepare,
 	.pm_finish = &r100_pm_finish,
+	.pm_init_profile = &r100_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic r300_asic = {
@@ -255,11 +255,11 @@ static struct radeon_asic r300_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &r100_pm_misc,
 	.pm_prepare = &r100_pm_prepare,
 	.pm_finish = &r100_pm_finish,
+	.pm_init_profile = &r100_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic r300_asic_pcie = {
@@ -299,11 +299,11 @@ static struct radeon_asic r300_asic_pcie = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &r100_pm_misc,
 	.pm_prepare = &r100_pm_prepare,
 	.pm_finish = &r100_pm_finish,
+	.pm_init_profile = &r100_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic r420_asic = {
@@ -344,11 +344,11 @@ static struct radeon_asic r420_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &r100_pm_misc,
 	.pm_prepare = &r100_pm_prepare,
 	.pm_finish = &r100_pm_finish,
+	.pm_init_profile = &r420_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic rs400_asic = {
@@ -389,11 +389,11 @@ static struct radeon_asic rs400_asic = {
 	.hpd_set_polarity = &r100_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &r100_pm_misc,
 	.pm_prepare = &r100_pm_prepare,
 	.pm_finish = &r100_pm_finish,
+	.pm_init_profile = &r100_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic rs600_asic = {
@@ -434,11 +434,11 @@ static struct radeon_asic rs600_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &rs600_pm_misc,
 	.pm_prepare = &rs600_pm_prepare,
 	.pm_finish = &rs600_pm_finish,
+	.pm_init_profile = &r420_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic rs690_asic = {
@@ -479,11 +479,11 @@ static struct radeon_asic rs690_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &rs600_pm_misc,
 	.pm_prepare = &rs600_pm_prepare,
 	.pm_finish = &rs600_pm_finish,
+	.pm_init_profile = &r420_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic rv515_asic = {
@@ -524,11 +524,11 @@ static struct radeon_asic rv515_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &rs600_pm_misc,
 	.pm_prepare = &rs600_pm_prepare,
 	.pm_finish = &rs600_pm_finish,
+	.pm_init_profile = &r420_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic r520_asic = {
@@ -569,11 +569,11 @@ static struct radeon_asic r520_asic = {
 	.hpd_set_polarity = &rs600_hpd_set_polarity,
 	.ioctl_wait_idle = NULL,
 	.gui_idle = &r100_gui_idle,
-	.get_power_state = &r100_get_power_state,
-	.set_power_state = &r100_set_power_state,
 	.pm_misc = &rs600_pm_misc,
 	.pm_prepare = &rs600_pm_prepare,
 	.pm_finish = &rs600_pm_finish,
+	.pm_init_profile = &r420_pm_init_profile,
+	.pm_get_dynpm_state = &r100_pm_get_dynpm_state,
 };
 
 static struct radeon_asic r600_asic = {
@@ -613,11 +613,11 @@ static struct radeon_asic r600_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
-	.get_power_state = &r600_get_power_state,
-	.set_power_state = &r600_set_power_state,
 	.pm_misc = &r600_pm_misc,
 	.pm_prepare = &rs600_pm_prepare,
 	.pm_finish = &rs600_pm_finish,
+	.pm_init_profile = &r600_pm_init_profile,
+	.pm_get_dynpm_state = &r600_pm_get_dynpm_state,
 };
 
 static struct radeon_asic rs780_asic = {
@@ -657,11 +657,11 @@ static struct radeon_asic rs780_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
-	.get_power_state = &r600_get_power_state,
-	.set_power_state = &r600_set_power_state,
 	.pm_misc = &r600_pm_misc,
 	.pm_prepare = &rs600_pm_prepare,
 	.pm_finish = &rs600_pm_finish,
+	.pm_init_profile = &rs780_pm_init_profile,
+	.pm_get_dynpm_state = &r600_pm_get_dynpm_state,
 };
 
 static struct radeon_asic rv770_asic = {
@@ -701,11 +701,11 @@ static struct radeon_asic rv770_asic = {
 	.hpd_set_polarity = &r600_hpd_set_polarity,
 	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
-	.get_power_state = &r600_get_power_state,
-	.set_power_state = &r600_set_power_state,
 	.pm_misc = &rv770_pm_misc,
 	.pm_prepare = &rs600_pm_prepare,
 	.pm_finish = &rs600_pm_finish,
+	.pm_init_profile = &r600_pm_init_profile,
+	.pm_get_dynpm_state = &r600_pm_get_dynpm_state,
 };
 
 static struct radeon_asic evergreen_asic = {
@@ -743,11 +743,11 @@ static struct radeon_asic evergreen_asic = {
 	.hpd_sense = &evergreen_hpd_sense,
 	.hpd_set_polarity = &evergreen_hpd_set_polarity,
 	.gui_idle = &r600_gui_idle,
-	.get_power_state = &r600_get_power_state,
-	.set_power_state = &r600_set_power_state,
 	.pm_misc = &evergreen_pm_misc,
 	.pm_prepare = &evergreen_pm_prepare,
 	.pm_finish = &evergreen_pm_finish,
+	.pm_init_profile = &r600_pm_init_profile,
+	.pm_get_dynpm_state = &r600_pm_get_dynpm_state,
 };
 
 int radeon_asic_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 8a127862999..5c40a3dfaca 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -127,12 +127,11 @@ void r100_enable_bm(struct radeon_device *rdev);
 void r100_set_common_regs(struct radeon_device *rdev);
 void r100_bm_disable(struct radeon_device *rdev);
 extern bool r100_gui_idle(struct radeon_device *rdev);
-extern void r100_set_power_state(struct radeon_device *rdev, bool static_switch);
-extern void r100_get_power_state(struct radeon_device *rdev,
-				 enum radeon_pm_action action);
 extern void r100_pm_misc(struct radeon_device *rdev);
 extern void r100_pm_prepare(struct radeon_device *rdev);
 extern void r100_pm_finish(struct radeon_device *rdev);
+extern void r100_pm_init_profile(struct radeon_device *rdev);
+extern void r100_pm_get_dynpm_state(struct radeon_device *rdev);
 
 /*
  * r200,rv250,rs300,rv280
@@ -170,6 +169,7 @@ extern int r420_init(struct radeon_device *rdev);
 extern void r420_fini(struct radeon_device *rdev);
 extern int r420_suspend(struct radeon_device *rdev);
 extern int r420_resume(struct radeon_device *rdev);
+extern void r420_pm_init_profile(struct radeon_device *rdev);
 
 /*
  * rs400,rs480
@@ -281,10 +281,10 @@ void r600_hpd_set_polarity(struct radeon_device *rdev,
 			   enum radeon_hpd_id hpd);
 extern void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo);
 extern bool r600_gui_idle(struct radeon_device *rdev);
-extern void r600_set_power_state(struct radeon_device *rdev, bool static_switch);
-extern void r600_get_power_state(struct radeon_device *rdev,
-				 enum radeon_pm_action action);
 extern void r600_pm_misc(struct radeon_device *rdev);
+extern void r600_pm_init_profile(struct radeon_device *rdev);
+extern void rs780_pm_init_profile(struct radeon_device *rdev);
+extern void r600_pm_get_dynpm_state(struct radeon_device *rdev);
 
 /*
  * rv770,rv730,rv710,rv740
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index e249da81dbf..a20b612ffe7 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -748,6 +748,7 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
 
 	radeon_save_bios_scratch_regs(rdev);
 
+	radeon_pm_suspend(rdev);
 	radeon_suspend(rdev);
 	radeon_hpd_fini(rdev);
 	/* evict remaining vram memory */
@@ -783,6 +784,7 @@ int radeon_resume_kms(struct drm_device *dev)
 	/* resume AGP if in use */
 	radeon_agp_resume(rdev);
 	radeon_resume(rdev);
+	radeon_pm_resume(rdev);
 	radeon_restore_bios_scratch_regs(rdev);
 	radeon_fbdev_set_suspend(rdev, 0);
 	release_console_sem();
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 10d70540fc5..f48f42454fb 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1037,6 +1037,9 @@ int radeon_modeset_init(struct radeon_device *rdev)
 	/* initialize hpd */
 	radeon_hpd_init(rdev);
 
+	/* Initialize power management */
+	radeon_pm_init(rdev);
+
 	radeon_fbdev_init(rdev);
 	drm_kms_helper_poll_init(rdev->ddev);
 
@@ -1047,6 +1050,7 @@ void radeon_modeset_fini(struct radeon_device *rdev)
 {
 	radeon_fbdev_fini(rdev);
 	kfree(rdev->mode_info.bios_hardcoded_edid);
+	radeon_pm_fini(rdev);
 
 	if (rdev->mode_info.mode_config_initialized) {
 		drm_kms_helper_poll_fini(rdev->ddev);
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 6e22815f7f0..4afba1eca2a 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -92,7 +92,6 @@ int radeon_testing = 0;
 int radeon_connector_table = 0;
 int radeon_tv = 1;
 int radeon_new_pll = -1;
-int radeon_dynpm = -1;
 int radeon_audio = 1;
 int radeon_disp_priority = 0;
 int radeon_hw_i2c = 0;
@@ -133,9 +132,6 @@ module_param_named(tv, radeon_tv, int, 0444);
 MODULE_PARM_DESC(new_pll, "Select new PLL code");
 module_param_named(new_pll, radeon_new_pll, int, 0444);
 
-MODULE_PARM_DESC(dynpm, "Disable/Enable dynamic power management (1 = enable)");
-module_param_named(dynpm, radeon_dynpm, int, 0444);
-
 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
 module_param_named(audio, radeon_audio, int, 0444);
 
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 0dfa508fe5f..1827317704a 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -23,14 +23,98 @@
 #include "drmP.h"
 #include "radeon.h"
 #include "avivod.h"
+#ifdef CONFIG_ACPI
+#include <linux/acpi.h>
+#endif
+#include <linux/power_supply.h>
 
 #define RADEON_IDLE_LOOP_MS 100
 #define RADEON_RECLOCK_DELAY_MS 200
 #define RADEON_WAIT_VBLANK_TIMEOUT 200
 #define RADEON_WAIT_IDLE_TIMEOUT 200
 
-static void radeon_pm_idle_work_handler(struct work_struct *work);
+static void radeon_dynpm_idle_work_handler(struct work_struct *work);
 static int radeon_debugfs_pm_init(struct radeon_device *rdev);
+static bool radeon_pm_in_vbl(struct radeon_device *rdev);
+static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
+static void radeon_pm_update_profile(struct radeon_device *rdev);
+static void radeon_pm_set_clocks(struct radeon_device *rdev);
+
+#define ACPI_AC_CLASS           "ac_adapter"
+
+#ifdef CONFIG_ACPI
+static int radeon_acpi_event(struct notifier_block *nb,
+			     unsigned long val,
+			     void *data)
+{
+	struct radeon_device *rdev = container_of(nb, struct radeon_device, acpi_nb);
+	struct acpi_bus_event *entry = (struct acpi_bus_event *)data;
+
+	if (strcmp(entry->device_class, ACPI_AC_CLASS) == 0) {
+		if (power_supply_is_system_supplied() > 0)
+			DRM_INFO("pm: AC\n");
+		else
+			DRM_INFO("pm: DC\n");
+
+		if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
+			if (rdev->pm.profile == PM_PROFILE_AUTO) {
+				mutex_lock(&rdev->pm.mutex);
+				radeon_pm_update_profile(rdev);
+				radeon_pm_set_clocks(rdev);
+				mutex_unlock(&rdev->pm.mutex);
+			}
+		}
+	}
+
+	return NOTIFY_OK;
+}
+#endif
+
+static void radeon_pm_update_profile(struct radeon_device *rdev)
+{
+	switch (rdev->pm.profile) {
+	case PM_PROFILE_DEFAULT:
+		rdev->pm.profile_index = PM_PROFILE_DEFAULT_IDX;
+		break;
+	case PM_PROFILE_AUTO:
+		if (power_supply_is_system_supplied() > 0) {
+			if (rdev->pm.active_crtc_count > 1)
+				rdev->pm.profile_index = PM_PROFILE_HIGH_MH_IDX;
+			else
+				rdev->pm.profile_index = PM_PROFILE_HIGH_SH_IDX;
+		} else {
+			if (rdev->pm.active_crtc_count > 1)
+				rdev->pm.profile_index = PM_PROFILE_LOW_MH_IDX;
+			else
+				rdev->pm.profile_index = PM_PROFILE_LOW_SH_IDX;
+		}
+		break;
+	case PM_PROFILE_LOW:
+		if (rdev->pm.active_crtc_count > 1)
+			rdev->pm.profile_index = PM_PROFILE_LOW_MH_IDX;
+		else
+			rdev->pm.profile_index = PM_PROFILE_LOW_SH_IDX;
+		break;
+	case PM_PROFILE_HIGH:
+		if (rdev->pm.active_crtc_count > 1)
+			rdev->pm.profile_index = PM_PROFILE_HIGH_MH_IDX;
+		else
+			rdev->pm.profile_index = PM_PROFILE_HIGH_SH_IDX;
+		break;
+	}
+
+	if (rdev->pm.active_crtc_count == 0) {
+		rdev->pm.requested_power_state_index =
+			rdev->pm.profiles[rdev->pm.profile_index].dpms_off_ps_idx;
+		rdev->pm.requested_clock_mode_index =
+			rdev->pm.profiles[rdev->pm.profile_index].dpms_off_cm_idx;
+	} else {
+		rdev->pm.requested_power_state_index =
+			rdev->pm.profiles[rdev->pm.profile_index].dpms_on_ps_idx;
+		rdev->pm.requested_clock_mode_index =
+			rdev->pm.profiles[rdev->pm.profile_index].dpms_on_cm_idx;
+	}
+}
 
 static void radeon_unmap_vram_bos(struct radeon_device *rdev)
 {
@@ -54,40 +138,125 @@ static void radeon_unmap_vram_bos(struct radeon_device *rdev)
 		ttm_bo_unmap_virtual(&rdev->r600_blit.shader_obj->tbo);
 }
 
-static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
+static void radeon_sync_with_vblank(struct radeon_device *rdev)
+{
+	if (rdev->pm.active_crtcs) {
+		rdev->pm.vblank_sync = false;
+		wait_event_timeout(
+			rdev->irq.vblank_queue, rdev->pm.vblank_sync,
+			msecs_to_jiffies(RADEON_WAIT_VBLANK_TIMEOUT));
+	}
+}
+
+static void radeon_set_power_state(struct radeon_device *rdev)
+{
+	u32 sclk, mclk;
+
+	if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) &&
+	    (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index))
+		return;
+
+	if (radeon_gui_idle(rdev)) {
+		sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+			clock_info[rdev->pm.requested_clock_mode_index].sclk;
+		if (sclk > rdev->clock.default_sclk)
+			sclk = rdev->clock.default_sclk;
+
+		mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+			clock_info[rdev->pm.requested_clock_mode_index].mclk;
+		if (mclk > rdev->clock.default_mclk)
+			mclk = rdev->clock.default_mclk;
+
+		/* voltage, pcie lanes, etc.*/
+		radeon_pm_misc(rdev);
+
+		if (rdev->pm.pm_method == PM_METHOD_DYNPM) {
+			radeon_sync_with_vblank(rdev);
+
+			if (!radeon_pm_in_vbl(rdev))
+				return;
+
+			radeon_pm_prepare(rdev);
+			/* set engine clock */
+			if (sclk != rdev->pm.current_sclk) {
+				radeon_pm_debug_check_in_vbl(rdev, false);
+				radeon_set_engine_clock(rdev, sclk);
+				radeon_pm_debug_check_in_vbl(rdev, true);
+				rdev->pm.current_sclk = sclk;
+				DRM_INFO("Setting: e: %d\n", sclk);
+			}
+
+			/* set memory clock */
+			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+				radeon_pm_debug_check_in_vbl(rdev, false);
+				radeon_set_memory_clock(rdev, mclk);
+				radeon_pm_debug_check_in_vbl(rdev, true);
+				rdev->pm.current_mclk = mclk;
+				DRM_INFO("Setting: m: %d\n", mclk);
+			}
+			radeon_pm_finish(rdev);
+		} else {
+			/* set engine clock */
+			if (sclk != rdev->pm.current_sclk) {
+				radeon_sync_with_vblank(rdev);
+				radeon_pm_prepare(rdev);
+				radeon_set_engine_clock(rdev, sclk);
+				radeon_pm_finish(rdev);
+				rdev->pm.current_sclk = sclk;
+				DRM_INFO("Setting: e: %d\n", sclk);
+			}
+			/* set memory clock */
+			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+				radeon_sync_with_vblank(rdev);
+				radeon_pm_prepare(rdev);
+				radeon_set_memory_clock(rdev, mclk);
+				radeon_pm_finish(rdev);
+				rdev->pm.current_mclk = mclk;
+				DRM_INFO("Setting: m: %d\n", mclk);
+			}
+		}
+
+		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
+		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
+	} else
+		DRM_INFO("pm: GUI not idle!!!\n");
+}
+
+static void radeon_pm_set_clocks(struct radeon_device *rdev)
 {
 	int i;
 
-	if (rdev->pm.state != PM_STATE_DISABLED)
-		radeon_get_power_state(rdev, rdev->pm.planned_action);
-
 	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->vram_mutex);
 	mutex_lock(&rdev->cp.mutex);
 
 	/* gui idle int has issues on older chips it seems */
 	if (rdev->family >= CHIP_R600) {
-		/* wait for GPU idle */
-		rdev->pm.gui_idle = false;
-		rdev->irq.gui_idle = true;
-		radeon_irq_set(rdev);
-		wait_event_interruptible_timeout(
-			rdev->irq.idle_queue, rdev->pm.gui_idle,
-			msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
-		rdev->irq.gui_idle = false;
-		radeon_irq_set(rdev);
+		if (rdev->irq.installed) {
+			/* wait for GPU idle */
+			rdev->pm.gui_idle = false;
+			rdev->irq.gui_idle = true;
+			radeon_irq_set(rdev);
+			wait_event_interruptible_timeout(
+				rdev->irq.idle_queue, rdev->pm.gui_idle,
+				msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
+			rdev->irq.gui_idle = false;
+			radeon_irq_set(rdev);
+		}
 	} else {
-		struct radeon_fence *fence;
-		radeon_ring_alloc(rdev, 64);
-		radeon_fence_create(rdev, &fence);
-		radeon_fence_emit(rdev, fence);
-		radeon_ring_commit(rdev);
-		radeon_fence_wait(fence, false);
-		radeon_fence_unref(&fence);
+		if (rdev->cp.ready) {
+			struct radeon_fence *fence;
+			radeon_ring_alloc(rdev, 64);
+			radeon_fence_create(rdev, &fence);
+			radeon_fence_emit(rdev, fence);
+			radeon_ring_commit(rdev);
+			radeon_fence_wait(fence, false);
+			radeon_fence_unref(&fence);
+		}
 	}
 	radeon_unmap_vram_bos(rdev);
 
-	if (!static_switch) {
+	if (rdev->irq.installed) {
 		for (i = 0; i < rdev->num_crtc; i++) {
 			if (rdev->pm.active_crtcs & (1 << i)) {
 				rdev->pm.req_vblank |= (1 << i);
@@ -96,9 +265,9 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 		}
 	}
 
-	radeon_set_power_state(rdev, static_switch);
+	radeon_set_power_state(rdev);
 
-	if (!static_switch) {
+	if (rdev->irq.installed) {
 		for (i = 0; i < rdev->num_crtc; i++) {
 			if (rdev->pm.req_vblank & (1 << i)) {
 				rdev->pm.req_vblank &= ~(1 << i);
@@ -112,230 +281,195 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 	if (rdev->pm.active_crtc_count)
 		radeon_bandwidth_update(rdev);
 
-	rdev->pm.planned_action = PM_ACTION_NONE;
+	rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE;
 
 	mutex_unlock(&rdev->cp.mutex);
 	mutex_unlock(&rdev->vram_mutex);
 	mutex_unlock(&rdev->ddev->struct_mutex);
 }
 
-static ssize_t radeon_get_power_state_static(struct device *dev,
-					     struct device_attribute *attr,
-					     char *buf)
+static ssize_t radeon_get_pm_profile(struct device *dev,
+				     struct device_attribute *attr,
+				     char *buf)
 {
 	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
 	struct radeon_device *rdev = ddev->dev_private;
+	int cp = rdev->pm.profile;
 
-	return snprintf(buf, PAGE_SIZE, "%d.%d\n", rdev->pm.current_power_state_index,
-			rdev->pm.current_clock_mode_index);
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			(cp == PM_PROFILE_AUTO) ? "auto" :
+			(cp == PM_PROFILE_LOW) ? "low" :
+			(cp == PM_PROFILE_HIGH) ? "high" : "default");
 }
 
-static ssize_t radeon_set_power_state_static(struct device *dev,
-					     struct device_attribute *attr,
-					     const char *buf,
-					     size_t count)
+static ssize_t radeon_set_pm_profile(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf,
+				     size_t count)
 {
 	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
 	struct radeon_device *rdev = ddev->dev_private;
-	int ps, cm;
-
-	if (sscanf(buf, "%u.%u", &ps, &cm) != 2) {
-		DRM_ERROR("Invalid power state!\n");
-		return count;
-	}
 
 	mutex_lock(&rdev->pm.mutex);
-	if ((ps >= 0) && (ps < rdev->pm.num_power_states) &&
-	    (cm >= 0) && (cm < rdev->pm.power_state[ps].num_clock_modes)) {
-		if ((rdev->pm.active_crtc_count > 0) &&
-		    (rdev->pm.power_state[ps].clock_info[cm].flags & RADEON_PM_MODE_NO_DISPLAY)) {
-			DRM_ERROR("Invalid power state for display: %d.%d\n", ps, cm);
-		} else if ((rdev->pm.active_crtc_count > 1) &&
-			   (rdev->pm.power_state[ps].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)) {
-			DRM_ERROR("Invalid power state for multi-head: %d.%d\n", ps, cm);
-		} else {
-			/* disable dynpm */
-			rdev->pm.state = PM_STATE_DISABLED;
-			rdev->pm.planned_action = PM_ACTION_NONE;
-			rdev->pm.requested_power_state_index = ps;
-			rdev->pm.requested_clock_mode_index = cm;
-			radeon_pm_set_clocks(rdev, true);
+	if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
+		if (strncmp("default", buf, strlen("default")) == 0)
+			rdev->pm.profile = PM_PROFILE_DEFAULT;
+		else if (strncmp("auto", buf, strlen("auto")) == 0)
+			rdev->pm.profile = PM_PROFILE_AUTO;
+		else if (strncmp("low", buf, strlen("low")) == 0)
+			rdev->pm.profile = PM_PROFILE_LOW;
+		else if (strncmp("high", buf, strlen("high")) == 0)
+			rdev->pm.profile = PM_PROFILE_HIGH;
+		else {
+			DRM_ERROR("invalid power profile!\n");
+			goto fail;
 		}
-	} else
-		DRM_ERROR("Invalid power state: %d.%d\n\n", ps, cm);
+		radeon_pm_update_profile(rdev);
+		radeon_pm_set_clocks(rdev);
+	}
+fail:
 	mutex_unlock(&rdev->pm.mutex);
 
 	return count;
 }
 
-static ssize_t radeon_get_dynpm(struct device *dev,
-				struct device_attribute *attr,
-				char *buf)
+static ssize_t radeon_get_pm_method(struct device *dev,
+				    struct device_attribute *attr,
+				    char *buf)
 {
 	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
 	struct radeon_device *rdev = ddev->dev_private;
+	int pm = rdev->pm.pm_method;
 
 	return snprintf(buf, PAGE_SIZE, "%s\n",
-			(rdev->pm.state == PM_STATE_DISABLED) ? "disabled" : "enabled");
+			(pm == PM_METHOD_DYNPM) ? "dynpm" : "profile");
 }
 
-static ssize_t radeon_set_dynpm(struct device *dev,
-				struct device_attribute *attr,
-				const char *buf,
-				size_t count)
+static ssize_t radeon_set_pm_method(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf,
+				    size_t count)
 {
 	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
 	struct radeon_device *rdev = ddev->dev_private;
-	int tmp = simple_strtoul(buf, NULL, 10);
 
-	if (tmp == 0) {
-		/* update power mode info */
-		radeon_pm_compute_clocks(rdev);
-		/* disable dynpm */
+
+	if (strncmp("dynpm", buf, strlen("dynpm")) == 0) {
 		mutex_lock(&rdev->pm.mutex);
-		rdev->pm.state = PM_STATE_DISABLED;
-		rdev->pm.planned_action = PM_ACTION_NONE;
+		rdev->pm.pm_method = PM_METHOD_DYNPM;
+		rdev->pm.dynpm_state = DYNPM_STATE_PAUSED;
+		rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT;
 		mutex_unlock(&rdev->pm.mutex);
-		DRM_INFO("radeon: dynamic power management disabled\n");
-	} else if (tmp == 1) {
-		if (rdev->pm.num_power_states > 1) {
-			/* enable dynpm */
-			mutex_lock(&rdev->pm.mutex);
-			rdev->pm.state = PM_STATE_PAUSED;
-			rdev->pm.planned_action = PM_ACTION_DEFAULT;
-			radeon_get_power_state(rdev, rdev->pm.planned_action);
-			mutex_unlock(&rdev->pm.mutex);
-			/* update power mode info */
-			radeon_pm_compute_clocks(rdev);
-			DRM_INFO("radeon: dynamic power management enabled\n");
-		} else
-			DRM_ERROR("dynpm not valid on this system\n");
-	} else
-		DRM_ERROR("Invalid setting: %d\n", tmp);
-
+	} else if (strncmp("profile", buf, strlen("profile")) == 0) {
+		mutex_lock(&rdev->pm.mutex);
+		rdev->pm.pm_method = PM_METHOD_PROFILE;
+		/* disable dynpm */
+		rdev->pm.dynpm_state = DYNPM_STATE_DISABLED;
+		rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE;
+		cancel_delayed_work(&rdev->pm.dynpm_idle_work);
+		mutex_unlock(&rdev->pm.mutex);
+	} else {
+		DRM_ERROR("invalid power method!\n");
+		goto fail;
+	}
+	radeon_pm_compute_clocks(rdev);
+fail:
 	return count;
 }
 
-static DEVICE_ATTR(power_state, S_IRUGO | S_IWUSR, radeon_get_power_state_static, radeon_set_power_state_static);
-static DEVICE_ATTR(dynpm, S_IRUGO | S_IWUSR, radeon_get_dynpm, radeon_set_dynpm);
+static DEVICE_ATTR(power_profile, S_IRUGO | S_IWUSR, radeon_get_pm_profile, radeon_set_pm_profile);
+static DEVICE_ATTR(power_method, S_IRUGO | S_IWUSR, radeon_get_pm_method, radeon_set_pm_method);
 
-
-static const char *pm_state_names[4] = {
-	"PM_STATE_DISABLED",
-	"PM_STATE_MINIMUM",
-	"PM_STATE_PAUSED",
-	"PM_STATE_ACTIVE"
-};
-
-static const char *pm_state_types[5] = {
-	"",
-	"Powersave",
-	"Battery",
-	"Balanced",
-	"Performance",
-};
-
-static void radeon_print_power_mode_info(struct radeon_device *rdev)
+void radeon_pm_suspend(struct radeon_device *rdev)
 {
-	int i, j;
-	bool is_default;
-
-	DRM_INFO("%d Power State(s)\n", rdev->pm.num_power_states);
-	for (i = 0; i < rdev->pm.num_power_states; i++) {
-		if (rdev->pm.default_power_state_index == i)
-			is_default = true;
-		else
-			is_default = false;
-		DRM_INFO("State %d %s %s\n", i,
-			 pm_state_types[rdev->pm.power_state[i].type],
-			 is_default ? "(default)" : "");
-		if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
-			DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].pcie_lanes);
-		if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
-			DRM_INFO("\tSingle display only\n");
-		DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);
-		for (j = 0; j < rdev->pm.power_state[i].num_clock_modes; j++) {
-			if (rdev->flags & RADEON_IS_IGP)
-				DRM_INFO("\t\t%d engine: %d\n",
-					 j,
-					 rdev->pm.power_state[i].clock_info[j].sclk * 10);
-			else
-				DRM_INFO("\t\t%d engine/memory: %d/%d\n",
-					 j,
-					 rdev->pm.power_state[i].clock_info[j].sclk * 10,
-					 rdev->pm.power_state[i].clock_info[j].mclk * 10);
-			if (rdev->pm.power_state[i].clock_info[j].flags & RADEON_PM_MODE_NO_DISPLAY)
-				DRM_INFO("\t\tNo display only\n");
-		}
-	}
+	mutex_lock(&rdev->pm.mutex);
+	cancel_delayed_work(&rdev->pm.dynpm_idle_work);
+	rdev->pm.current_power_state_index = -1;
+	rdev->pm.current_clock_mode_index = -1;
+	rdev->pm.current_sclk = 0;
+	rdev->pm.current_mclk = 0;
+	mutex_unlock(&rdev->pm.mutex);
 }
 
-void radeon_sync_with_vblank(struct radeon_device *rdev)
+void radeon_pm_resume(struct radeon_device *rdev)
 {
-	if (rdev->pm.active_crtcs) {
-		rdev->pm.vblank_sync = false;
-		wait_event_timeout(
-			rdev->irq.vblank_queue, rdev->pm.vblank_sync,
-			msecs_to_jiffies(RADEON_WAIT_VBLANK_TIMEOUT));
-	}
+	radeon_pm_compute_clocks(rdev);
 }
 
 int radeon_pm_init(struct radeon_device *rdev)
 {
-	rdev->pm.state = PM_STATE_DISABLED;
-	rdev->pm.planned_action = PM_ACTION_NONE;
-	rdev->pm.can_upclock = true;
-	rdev->pm.can_downclock = true;
+	/* default to profile method */
+	rdev->pm.pm_method = PM_METHOD_PROFILE;
+	rdev->pm.dynpm_state = DYNPM_STATE_DISABLED;
+	rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE;
+	rdev->pm.dynpm_can_upclock = true;
+	rdev->pm.dynpm_can_downclock = true;
+	rdev->pm.current_sclk = 0;
+	rdev->pm.current_mclk = 0;
 
 	if (rdev->bios) {
 		if (rdev->is_atom_bios)
 			radeon_atombios_get_power_modes(rdev);
 		else
 			radeon_combios_get_power_modes(rdev);
-		radeon_print_power_mode_info(rdev);
+		radeon_pm_init_profile(rdev);
+		rdev->pm.current_power_state_index = -1;
+		rdev->pm.current_clock_mode_index = -1;
 	}
 
-	if (radeon_debugfs_pm_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for PM!\n");
+	if (rdev->pm.num_power_states > 1) {
+		if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
+			mutex_lock(&rdev->pm.mutex);
+			rdev->pm.profile = PM_PROFILE_DEFAULT;
+			radeon_pm_update_profile(rdev);
+			radeon_pm_set_clocks(rdev);
+			mutex_unlock(&rdev->pm.mutex);
+		}
+
+		/* where's the best place to put these? */
+		device_create_file(rdev->dev, &dev_attr_power_profile);
+		device_create_file(rdev->dev, &dev_attr_power_method);
+
+#ifdef CONFIG_ACPI
+		rdev->acpi_nb.notifier_call = radeon_acpi_event;
+		register_acpi_notifier(&rdev->acpi_nb);
+#endif
+		INIT_DELAYED_WORK(&rdev->pm.dynpm_idle_work, radeon_dynpm_idle_work_handler);
+
+		if (radeon_debugfs_pm_init(rdev)) {
+			DRM_ERROR("Failed to register debugfs file for PM!\n");
+		}
+
+		DRM_INFO("radeon: power management initialized\n");
 	}
 
-	/* where's the best place to put this? */
-	device_create_file(rdev->dev, &dev_attr_power_state);
-	device_create_file(rdev->dev, &dev_attr_dynpm);
-
-	INIT_DELAYED_WORK(&rdev->pm.idle_work, radeon_pm_idle_work_handler);
-
-	if ((radeon_dynpm != -1 && radeon_dynpm) && (rdev->pm.num_power_states > 1)) {
-		rdev->pm.state = PM_STATE_PAUSED;
-		DRM_INFO("radeon: dynamic power management enabled\n");
-	}
-
-	DRM_INFO("radeon: power management initialized\n");
-
 	return 0;
 }
 
 void radeon_pm_fini(struct radeon_device *rdev)
 {
-	if (rdev->pm.state != PM_STATE_DISABLED) {
-		/* cancel work */
-		cancel_delayed_work_sync(&rdev->pm.idle_work);
-		/* reset default clocks */
-		rdev->pm.state = PM_STATE_DISABLED;
-		rdev->pm.planned_action = PM_ACTION_DEFAULT;
-		radeon_pm_set_clocks(rdev, true);
-	} else if ((rdev->pm.current_power_state_index !=
-		    rdev->pm.default_power_state_index) ||
-		   (rdev->pm.current_clock_mode_index != 0)) {
-		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
-		rdev->pm.requested_clock_mode_index = 0;
+	if (rdev->pm.num_power_states > 1) {
 		mutex_lock(&rdev->pm.mutex);
-		radeon_pm_set_clocks(rdev, true);
+		if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
+			rdev->pm.profile = PM_PROFILE_DEFAULT;
+			radeon_pm_update_profile(rdev);
+			radeon_pm_set_clocks(rdev);
+		} else if (rdev->pm.pm_method == PM_METHOD_DYNPM) {
+			/* cancel work */
+			cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work);
+			/* reset default clocks */
+			rdev->pm.dynpm_state = DYNPM_STATE_DISABLED;
+			rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT;
+			radeon_pm_set_clocks(rdev);
+		}
 		mutex_unlock(&rdev->pm.mutex);
-	}
 
-	device_remove_file(rdev->dev, &dev_attr_power_state);
-	device_remove_file(rdev->dev, &dev_attr_dynpm);
+		device_remove_file(rdev->dev, &dev_attr_power_profile);
+		device_remove_file(rdev->dev, &dev_attr_power_method);
+#ifdef CONFIG_ACPI
+		unregister_acpi_notifier(&rdev->acpi_nb);
+#endif
+	}
 
 	if (rdev->pm.i2c_bus)
 		radeon_i2c_destroy(rdev->pm.i2c_bus);
@@ -347,6 +481,9 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 	struct drm_crtc *crtc;
 	struct radeon_crtc *radeon_crtc;
 
+	if (rdev->pm.num_power_states < 2)
+		return;
+
 	mutex_lock(&rdev->pm.mutex);
 
 	rdev->pm.active_crtcs = 0;
@@ -360,55 +497,56 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 		}
 	}
 
-	if (rdev->pm.state == PM_STATE_DISABLED) {
-		mutex_unlock(&rdev->pm.mutex);
-		return;
-	}
+	if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
+		radeon_pm_update_profile(rdev);
+		radeon_pm_set_clocks(rdev);
+	} else if (rdev->pm.pm_method == PM_METHOD_DYNPM) {
+		if (rdev->pm.dynpm_state != DYNPM_STATE_DISABLED) {
+			if (rdev->pm.active_crtc_count > 1) {
+				if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) {
+					cancel_delayed_work(&rdev->pm.dynpm_idle_work);
 
-	/* Note, radeon_pm_set_clocks is called with static_switch set
-	 * to true since we always want to statically set the clocks,
-	 * not wait for vbl.
-	 */
-	if (rdev->pm.active_crtc_count > 1) {
-		if (rdev->pm.state == PM_STATE_ACTIVE) {
-			cancel_delayed_work(&rdev->pm.idle_work);
+					rdev->pm.dynpm_state = DYNPM_STATE_PAUSED;
+					rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT;
+					radeon_pm_get_dynpm_state(rdev);
+					radeon_pm_set_clocks(rdev);
 
-			rdev->pm.state = PM_STATE_PAUSED;
-			rdev->pm.planned_action = PM_ACTION_DEFAULT;
-			radeon_pm_set_clocks(rdev, true);
+					DRM_DEBUG("radeon: dynamic power management deactivated\n");
+				}
+			} else if (rdev->pm.active_crtc_count == 1) {
+				/* TODO: Increase clocks if needed for current mode */
 
-			DRM_DEBUG("radeon: dynamic power management deactivated\n");
-		}
-	} else if (rdev->pm.active_crtc_count == 1) {
-		/* TODO: Increase clocks if needed for current mode */
+				if (rdev->pm.dynpm_state == DYNPM_STATE_MINIMUM) {
+					rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE;
+					rdev->pm.dynpm_planned_action = DYNPM_ACTION_UPCLOCK;
+					radeon_pm_get_dynpm_state(rdev);
+					radeon_pm_set_clocks(rdev);
 
-		if (rdev->pm.state == PM_STATE_MINIMUM) {
-			rdev->pm.state = PM_STATE_ACTIVE;
-			rdev->pm.planned_action = PM_ACTION_UPCLOCK;
-			radeon_pm_set_clocks(rdev, true);
+					queue_delayed_work(rdev->wq, &rdev->pm.dynpm_idle_work,
+							   msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
+				} else if (rdev->pm.dynpm_state == DYNPM_STATE_PAUSED) {
+					rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE;
+					queue_delayed_work(rdev->wq, &rdev->pm.dynpm_idle_work,
+							   msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
+					DRM_DEBUG("radeon: dynamic power management activated\n");
+				}
+			} else { /* count == 0 */
+				if (rdev->pm.dynpm_state != DYNPM_STATE_MINIMUM) {
+					cancel_delayed_work(&rdev->pm.dynpm_idle_work);
 
-			queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
-				msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
-		} else if (rdev->pm.state == PM_STATE_PAUSED) {
-			rdev->pm.state = PM_STATE_ACTIVE;
-			queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
-				msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
-			DRM_DEBUG("radeon: dynamic power management activated\n");
-		}
-	} else { /* count == 0 */
-		if (rdev->pm.state != PM_STATE_MINIMUM) {
-			cancel_delayed_work(&rdev->pm.idle_work);
-
-			rdev->pm.state = PM_STATE_MINIMUM;
-			rdev->pm.planned_action = PM_ACTION_MINIMUM;
-			radeon_pm_set_clocks(rdev, true);
+					rdev->pm.dynpm_state = DYNPM_STATE_MINIMUM;
+					rdev->pm.dynpm_planned_action = DYNPM_ACTION_MINIMUM;
+					radeon_pm_get_dynpm_state(rdev);
+					radeon_pm_set_clocks(rdev);
+				}
+			}
 		}
 	}
 
 	mutex_unlock(&rdev->pm.mutex);
 }
 
-bool radeon_pm_in_vbl(struct radeon_device *rdev)
+static bool radeon_pm_in_vbl(struct radeon_device *rdev)
 {
 	u32 stat_crtc = 0, vbl = 0, position = 0;
 	bool in_vbl = true;
@@ -480,7 +618,7 @@ bool radeon_pm_in_vbl(struct radeon_device *rdev)
 	return in_vbl;
 }
 
-bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
+static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
 {
 	u32 stat_crtc = 0;
 	bool in_vbl = radeon_pm_in_vbl(rdev);
@@ -491,16 +629,16 @@ bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
 	return in_vbl;
 }
 
-static void radeon_pm_idle_work_handler(struct work_struct *work)
+static void radeon_dynpm_idle_work_handler(struct work_struct *work)
 {
 	struct radeon_device *rdev;
 	int resched;
 	rdev = container_of(work, struct radeon_device,
-				pm.idle_work.work);
+				pm.dynpm_idle_work.work);
 
 	resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
 	mutex_lock(&rdev->pm.mutex);
-	if (rdev->pm.state == PM_STATE_ACTIVE) {
+	if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) {
 		unsigned long irq_flags;
 		int not_processed = 0;
 
@@ -516,23 +654,23 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 		read_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
 
 		if (not_processed >= 3) { /* should upclock */
-			if (rdev->pm.planned_action == PM_ACTION_DOWNCLOCK) {
-				rdev->pm.planned_action = PM_ACTION_NONE;
-			} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
-				   rdev->pm.can_upclock) {
-				rdev->pm.planned_action =
-					PM_ACTION_UPCLOCK;
-				rdev->pm.action_timeout = jiffies +
+			if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_DOWNCLOCK) {
+				rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE;
+			} else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE &&
+				   rdev->pm.dynpm_can_upclock) {
+				rdev->pm.dynpm_planned_action =
+					DYNPM_ACTION_UPCLOCK;
+				rdev->pm.dynpm_action_timeout = jiffies +
 				msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS);
 			}
 		} else if (not_processed == 0) { /* should downclock */
-			if (rdev->pm.planned_action == PM_ACTION_UPCLOCK) {
-				rdev->pm.planned_action = PM_ACTION_NONE;
-			} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
-				   rdev->pm.can_downclock) {
-				rdev->pm.planned_action =
-					PM_ACTION_DOWNCLOCK;
-				rdev->pm.action_timeout = jiffies +
+			if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_UPCLOCK) {
+				rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE;
+			} else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE &&
+				   rdev->pm.dynpm_can_downclock) {
+				rdev->pm.dynpm_planned_action =
+					DYNPM_ACTION_DOWNCLOCK;
+				rdev->pm.dynpm_action_timeout = jiffies +
 				msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS);
 			}
 		}
@@ -540,15 +678,16 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
 		/* Note, radeon_pm_set_clocks is called with static_switch set
 		 * to false since we want to wait for vbl to avoid flicker.
 		 */
-		if (rdev->pm.planned_action != PM_ACTION_NONE &&
-		    jiffies > rdev->pm.action_timeout) {
-			radeon_pm_set_clocks(rdev, false);
+		if (rdev->pm.dynpm_planned_action != DYNPM_ACTION_NONE &&
+		    jiffies > rdev->pm.dynpm_action_timeout) {
+			radeon_pm_get_dynpm_state(rdev);
+			radeon_pm_set_clocks(rdev);
 		}
 	}
 	mutex_unlock(&rdev->pm.mutex);
 	ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
 
-	queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
+	queue_delayed_work(rdev->wq, &rdev->pm.dynpm_idle_work,
 					msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
 }
 
@@ -563,7 +702,6 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
 	struct drm_device *dev = node->minor->dev;
 	struct radeon_device *rdev = dev->dev_private;
 
-	seq_printf(m, "state: %s\n", pm_state_names[rdev->pm.state]);
 	seq_printf(m, "default engine clock: %u0 kHz\n", rdev->clock.default_sclk);
 	seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
 	seq_printf(m, "default memory clock: %u0 kHz\n", rdev->clock.default_mclk);
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index dc76fe76eb2..9e4240b3bf0 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -456,7 +456,6 @@ int rs400_suspend(struct radeon_device *rdev)
 
 void rs400_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -507,8 +506,6 @@ int rs400_init(struct radeon_device *rdev)
 
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize memory controller */
 	rs400_mc_init(rdev);
 	/* Fence driver */
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 8e0c46060b3..e8c68e9c0a1 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -846,7 +846,6 @@ int rs600_suspend(struct radeon_device *rdev)
 
 void rs600_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -896,8 +895,6 @@ int rs600_init(struct radeon_device *rdev)
 
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize memory controller */
 	rs600_mc_init(rdev);
 	rs600_debugfs(rdev);
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index e8edfe61728..bcc33195ebc 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -676,7 +676,6 @@ int rs690_suspend(struct radeon_device *rdev)
 
 void rs690_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -727,8 +726,6 @@ int rs690_init(struct radeon_device *rdev)
 
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize memory controller */
 	rs690_mc_init(rdev);
 	rv515_debugfs(rdev);
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 2009f4b20c2..7d9a7b0a180 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -445,7 +445,6 @@ void rv515_set_safe_registers(struct radeon_device *rdev)
 
 void rv515_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -494,8 +493,6 @@ int rv515_init(struct radeon_device *rdev)
 		return -EINVAL;
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize AGP */
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 7c55182a9dd..253f24aec03 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1091,8 +1091,6 @@ int rv770_init(struct radeon_device *rdev)
 	r = radeon_clocks_init(rdev);
 	if (r)
 		return r;
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
 	if (r)
@@ -1161,7 +1159,6 @@ int rv770_init(struct radeon_device *rdev)
 
 void rv770_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r600_blit_fini(rdev);
 	r700_cp_fini(rdev);
 	r600_wb_fini(rdev);

From ce8a3eb20c4cb7d9e0c33e7560070688cd9066fc Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 7 May 2010 16:58:27 -0400
Subject: [PATCH 1970/3638] drm/radeon/kms/pm: make pm spam debug only

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r100.c      | 16 ++++++++--------
 drivers/gpu/drm/radeon/r600.c      | 14 +++++++-------
 drivers/gpu/drm/radeon/radeon_pm.c | 16 ++++++++--------
 drivers/gpu/drm/radeon/rs600.c     |  2 +-
 4 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 4c5d21bfa2c..9a59ba46f07 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -141,13 +141,13 @@ void r100_pm_get_dynpm_state(struct radeon_device *rdev)
 	/* only one clock mode per power state */
 	rdev->pm.requested_clock_mode_index = 0;
 
-	DRM_INFO("Requested: e: %d m: %d p: %d\n",
-		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
-		 clock_info[rdev->pm.requested_clock_mode_index].sclk,
-		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
-		 clock_info[rdev->pm.requested_clock_mode_index].mclk,
-		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
-		 pcie_lanes);
+	DRM_DEBUG("Requested: e: %d m: %d p: %d\n",
+		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		  clock_info[rdev->pm.requested_clock_mode_index].sclk,
+		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		  clock_info[rdev->pm.requested_clock_mode_index].mclk,
+		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		  pcie_lanes);
 }
 
 void r100_pm_init_profile(struct radeon_device *rdev)
@@ -266,7 +266,7 @@ void r100_pm_misc(struct radeon_device *rdev)
 	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 		radeon_set_pcie_lanes(rdev,
 				      ps->pcie_lanes);
-		DRM_INFO("Setting: p: %d\n", ps->pcie_lanes);
+		DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
 	}
 }
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 618d76d366a..0fef3351660 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -251,13 +251,13 @@ void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 		}
 	}
 
-	DRM_INFO("Requested: e: %d m: %d p: %d\n",
-		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
-		 clock_info[rdev->pm.requested_clock_mode_index].sclk,
-		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
-		 clock_info[rdev->pm.requested_clock_mode_index].mclk,
-		 rdev->pm.power_state[rdev->pm.requested_power_state_index].
-		 pcie_lanes);
+	DRM_DEBUG("Requested: e: %d m: %d p: %d\n",
+		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		  clock_info[rdev->pm.requested_clock_mode_index].sclk,
+		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		  clock_info[rdev->pm.requested_clock_mode_index].mclk,
+		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
+		  pcie_lanes);
 }
 
 static int r600_pm_get_type_index(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 1827317704a..c88edae33de 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -52,9 +52,9 @@ static int radeon_acpi_event(struct notifier_block *nb,
 
 	if (strcmp(entry->device_class, ACPI_AC_CLASS) == 0) {
 		if (power_supply_is_system_supplied() > 0)
-			DRM_INFO("pm: AC\n");
+			DRM_DEBUG("pm: AC\n");
 		else
-			DRM_INFO("pm: DC\n");
+			DRM_DEBUG("pm: DC\n");
 
 		if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
 			if (rdev->pm.profile == PM_PROFILE_AUTO) {
@@ -183,7 +183,7 @@ static void radeon_set_power_state(struct radeon_device *rdev)
 				radeon_set_engine_clock(rdev, sclk);
 				radeon_pm_debug_check_in_vbl(rdev, true);
 				rdev->pm.current_sclk = sclk;
-				DRM_INFO("Setting: e: %d\n", sclk);
+				DRM_DEBUG("Setting: e: %d\n", sclk);
 			}
 
 			/* set memory clock */
@@ -192,7 +192,7 @@ static void radeon_set_power_state(struct radeon_device *rdev)
 				radeon_set_memory_clock(rdev, mclk);
 				radeon_pm_debug_check_in_vbl(rdev, true);
 				rdev->pm.current_mclk = mclk;
-				DRM_INFO("Setting: m: %d\n", mclk);
+				DRM_DEBUG("Setting: m: %d\n", mclk);
 			}
 			radeon_pm_finish(rdev);
 		} else {
@@ -203,7 +203,7 @@ static void radeon_set_power_state(struct radeon_device *rdev)
 				radeon_set_engine_clock(rdev, sclk);
 				radeon_pm_finish(rdev);
 				rdev->pm.current_sclk = sclk;
-				DRM_INFO("Setting: e: %d\n", sclk);
+				DRM_DEBUG("Setting: e: %d\n", sclk);
 			}
 			/* set memory clock */
 			if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
@@ -212,14 +212,14 @@ static void radeon_set_power_state(struct radeon_device *rdev)
 				radeon_set_memory_clock(rdev, mclk);
 				radeon_pm_finish(rdev);
 				rdev->pm.current_mclk = mclk;
-				DRM_INFO("Setting: m: %d\n", mclk);
+				DRM_DEBUG("Setting: m: %d\n", mclk);
 			}
 		}
 
 		rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
 		rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
 	} else
-		DRM_INFO("pm: GUI not idle!!!\n");
+		DRM_DEBUG("pm: GUI not idle!!!\n");
 }
 
 static void radeon_pm_set_clocks(struct radeon_device *rdev)
@@ -624,7 +624,7 @@ static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish
 	bool in_vbl = radeon_pm_in_vbl(rdev);
 
 	if (in_vbl == false)
-		DRM_INFO("not in vbl for pm change %08x at %s\n", stat_crtc,
+		DRM_DEBUG("not in vbl for pm change %08x at %s\n", stat_crtc,
 			 finish ? "exit" : "entry");
 	return in_vbl;
 }
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index e8c68e9c0a1..79887cac5b5 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -135,7 +135,7 @@ void rs600_pm_misc(struct radeon_device *rdev)
 	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 		radeon_set_pcie_lanes(rdev,
 				      ps->pcie_lanes);
-		DRM_INFO("Setting: p: %d\n", ps->pcie_lanes);
+		DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
 	}
 }
 

From 4bff51711ca8709c5f18640ad6e8ae6b9e8f8047 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 17 May 2010 19:41:26 -0400
Subject: [PATCH 1971/3638] drm/radeon/kms/pm: fix r6xx+ profile setup

This patch is a combination of the previous two profile
patches, but without the index bugs.  It cleans up and
fixes some issues with pm profile setup on r6xx chips.
Some tables have different orderings for the power states,
also, r600 only has 1 clock mode per power state. On
desktop cards there are no battery modes, so the low and high
power states are the same.  For the low profile case, choose
the lower clock mode.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r600.c | 134 ++++++++++++++++------------------
 1 file changed, 63 insertions(+), 71 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 0fef3351660..7ffc3892c65 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -369,89 +369,29 @@ void r600_pm_init_profile(struct radeon_device *rdev)
 		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 		/* low sh */
 		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 		/* high sh */
 		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 		/* low mh */
 		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 		/* high mh */
 		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
-	} else if (rdev->flags & RADEON_IS_MOBILITY) {
-		/* default */
-		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
-		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
-		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
-		/* low sh */
-		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
-			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
-		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
-			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
-		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
-		/* high sh */
-		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
-			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
-			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
-		/* low mh */
-		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
-			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
-		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
-			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
-		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
-		/* high mh */
-		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
-			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
-			r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
-		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
+		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 	} else {
 		if (rdev->pm.num_power_states < 4) {
-			/* default */
-			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
-			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
-			/* low sh */
-			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
-			/* high sh */
-			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
-			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
-			/* low mh */
-			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
-			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
-			/* high mh */
-			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
-			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
-			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
-		} else {
 			/* default */
 			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
@@ -461,20 +401,72 @@ void r600_pm_init_profile(struct radeon_device *rdev)
 			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 1;
 			/* high sh */
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 			/* low mh */
-			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 3;
-			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 3;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
 			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
-			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 1;
 			/* high mh */
-			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 3;
-			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
+		} else {
+			/* default */
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
+			/* low sh */
+			if (rdev->flags & RADEON_IS_MOBILITY) {
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
+					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
+					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
+			} else {
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
+					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
+					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 1;
+			}
+			/* high sh */
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
+				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
+				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
+			/* low mh */
+			if (rdev->flags & RADEON_IS_MOBILITY) {
+				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
+					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
+					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 2;
+			} else {
+				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
+					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
+					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 1;
+			}
+			/* high mh */
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
+				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
+				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 		}

From 117ea33a18392685b92928bbaa4e84dbc5be8f93 Mon Sep 17 00:00:00 2001
From: Don Prince <dhprince.devel@yahoo.co.uk>
Date: Mon, 17 May 2010 20:18:21 +0100
Subject: [PATCH 1972/3638] HID: hid-samsung: remove redundant key mappings

Remove 7 redundant key mappings from Desktop Wireless 6000 that are
already handled by the default hid code.

Reported-by: Robert Schedel <r.schedel@yahoo.de>
Signed-off-by: Don Prince <dhprince-devel@yahoo.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-samsung.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c
index 869a5acfc0b..bda0fd60c98 100644
--- a/drivers/hid/hid-samsung.c
+++ b/drivers/hid/hid-samsung.c
@@ -112,13 +112,6 @@ static int samsung_kbd_mouse_input_mapping(struct hid_device *hdev,
 
 	switch (usage->hid & HID_USAGE) {
 	/* report 2 */
-	case 0x0b5: samsung_kbd_mouse_map_key_clear(KEY_NEXTSONG); break;
-	case 0x0b6: samsung_kbd_mouse_map_key_clear(KEY_PREVIOUSSONG); break;
-	case 0x0b7: samsung_kbd_mouse_map_key_clear(KEY_STOPCD); break;
-	case 0x0cd: samsung_kbd_mouse_map_key_clear(KEY_PLAYPAUSE); break;
-	case 0x0e2: samsung_kbd_mouse_map_key_clear(KEY_MUTE); break;
-	case 0x0e9: samsung_kbd_mouse_map_key_clear(KEY_VOLUMEUP); break;
-	case 0x0ea: samsung_kbd_mouse_map_key_clear(KEY_VOLUMEDOWN); break;
 	case 0x183: samsung_kbd_mouse_map_key_clear(KEY_MEDIA); break;
 	case 0x195: samsung_kbd_mouse_map_key_clear(KEY_EMAIL);	break;
 	case 0x196: samsung_kbd_mouse_map_key_clear(KEY_CALC); break;

From a8ab5d58b0238b8199cc699b8dff7c5e1da24138 Mon Sep 17 00:00:00 2001
From: Alan Ott <alan@signal11.us>
Date: Sun, 16 May 2010 18:07:09 -0400
Subject: [PATCH 1973/3638] HID: hidraw: Use Interrupt Endpoint for OUT
 Transfers if Available

This patch makes the hidraw driver use the first Interrupt OUT endpoint for
HID transfers to the device if such an endpoint exists. This is consistent
with the behavior of the hiddev driver, and the logic is similar.

From the USB HID specification:

   The Interrupt Out pipe is optional. If a device declares an Interrupt Out
   endpoint then Output reports are transmitted by the host to the device
   through the Interrupt Out endpoint. If no Interrupt Out endpoint is
   declared then Output reports are transmitted to a device through the
   Control endpoint, using Set_Report(Output) requests.

Signed-off-by: Alan Ott <alan@signal11.us>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/usbhid/hid-core.c | 40 ++++++++++++++++++++++++++---------
 1 file changed, 30 insertions(+), 10 deletions(-)

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 245aef0de8f..f9640a362ca 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -807,16 +807,36 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co
 	struct usb_host_interface *interface = intf->cur_altsetting;
 	int ret;
 
-	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-		HID_REQ_SET_REPORT,
-		USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
-		((report_type + 1) << 8) | *buf,
-		interface->desc.bInterfaceNumber, buf + 1, count - 1,
-		USB_CTRL_SET_TIMEOUT);
-
-	/* count also the report id */
-	if (ret > 0)
-		ret++;
+	if (usbhid->urbout) {
+		int actual_length;
+		int skipped_report_id = 0;
+		if (buf[0] == 0x0) {
+			/* Don't send the Report ID */
+			buf++;
+			count--;
+			skipped_report_id = 1;
+		}
+		ret = usb_interrupt_msg(dev, usbhid->urbout->pipe,
+			buf, count, &actual_length,
+			USB_CTRL_SET_TIMEOUT);
+		/* return the number of bytes transferred */
+		if (ret == 0) {
+			ret = actual_length;
+			/* count also the report id */
+			if (skipped_report_id)
+				ret++;
+		}
+	} else {
+		ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+			HID_REQ_SET_REPORT,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			((report_type + 1) << 8) | *buf,
+			interface->desc.bInterfaceNumber, buf + 1, count - 1,
+			USB_CTRL_SET_TIMEOUT);
+		/* count also the report id */
+		if (ret > 0)
+			ret++;
+	}
 
 	return ret;
 }

From d6b273bfdfd3667387f2516c4a3602b691535ee3 Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Mon, 17 May 2010 10:46:01 -0500
Subject: [PATCH 1974/3638] mx5: bring usb phy out of reset on freescale mx51
 babbage hw

This patch de-asserts the reset line that is connected to the USB
ULPI PHY on USB Host1.

This patch should be included with the original USB host enablement
set of patches of mx51 babbage hw, but was accidentily left out.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/board-mx51_babbage.c      | 12 ++++++++++++
 arch/arm/plat-mxc/include/mach/iomux-mx51.h |  1 +
 2 files changed, 13 insertions(+)

diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index dacf506f18b..ed885f9d7b7 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -33,6 +33,7 @@
 
 #define BABBAGE_USB_HUB_RESET	(0*32 + 7)	/* GPIO_1_7 */
 #define BABBAGE_USBH1_STP	(0*32 + 27)	/* GPIO_1_27 */
+#define BABBAGE_PHY_RESET (1*32 +5)	/* GPIO_2_5 */
 
 /* USB_CTRL_1 */
 #define MX51_USB_CTRL_1_OFFSET			0x10
@@ -101,6 +102,7 @@ static inline void mxc_init_imx_uart(void)
 static int gpio_usbh1_active(void)
 {
 	struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27;
+	struct pad_desc phyreset_gpio = MX51_PAD_EIM_D21__GPIO_2_5;
 	int ret;
 
 	/* Set USBH1_STP to GPIO and toggle it */
@@ -115,6 +117,16 @@ static int gpio_usbh1_active(void)
 	gpio_set_value(BABBAGE_USBH1_STP, 1);
 	msleep(100);
 	gpio_free(BABBAGE_USBH1_STP);
+
+	/* De-assert USB PHY RESETB */
+	mxc_iomux_v3_setup_pad(&phyreset_gpio);
+	ret = gpio_request(BABBAGE_PHY_RESET, "phy_reset");
+
+	if (ret) {
+		pr_debug("failed to get MX51_PAD_EIM_D21__GPIO_2_5: %d\n", ret);
+		return ret;
+	}
+	gpio_direction_output(BABBAGE_PHY_RESET, 1);
 	return 0;
 }
 
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx51.h b/arch/arm/plat-mxc/include/mach/iomux-mx51.h
index 80528cc3b55..ab0f95d953d 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx51.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx51.h
@@ -63,6 +63,7 @@ typedef enum iomux_config {
 #define MX51_PAD_GPIO_2_3__EIM_D19	IOMUX_PAD(0x3fc, 0x068, 1, 0x0,   0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_2_4__EIM_D20	IOMUX_PAD(0x400, 0x06c, 1, 0x0,   0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_2_5__EIM_D21	IOMUX_PAD(0x404, 0x070, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_D21__GPIO_2_5	IOMUX_PAD(0x404, 0x070, IOMUX_CONFIG_ALT1, 0x0,   0, MX51_GPIO_PAD_CTRL)
 #define MX51_PAD_GPIO_2_6__EIM_D22	IOMUX_PAD(0x408, 0x074, 1, 0x0,   0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_2_7__EIM_D23	IOMUX_PAD(0x40c, 0x078, 1, 0x0,   0, NO_PAD_CTRL)
 

From 26481fb15644b5fd85d4cea020f74a234cdf6803 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 18 May 2010 19:00:14 +1000
Subject: [PATCH 1975/3638] drm/radeon/pm: fix device_create_file return value
 checks.

print an error if these fail.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index c88edae33de..a8d162c6f82 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -398,6 +398,7 @@ void radeon_pm_resume(struct radeon_device *rdev)
 
 int radeon_pm_init(struct radeon_device *rdev)
 {
+	int ret;
 	/* default to profile method */
 	rdev->pm.pm_method = PM_METHOD_PROFILE;
 	rdev->pm.dynpm_state = DYNPM_STATE_DISABLED;
@@ -427,8 +428,12 @@ int radeon_pm_init(struct radeon_device *rdev)
 		}
 
 		/* where's the best place to put these? */
-		device_create_file(rdev->dev, &dev_attr_power_profile);
-		device_create_file(rdev->dev, &dev_attr_power_method);
+		ret = device_create_file(rdev->dev, &dev_attr_power_profile);
+		if (ret)
+			DRM_ERROR("failed to create device file for power profile\n");
+		ret = device_create_file(rdev->dev, &dev_attr_power_method);
+		if (ret)
+			DRM_ERROR("failed to create device file for power method\n");
 
 #ifdef CONFIG_ACPI
 		rdev->acpi_nb.notifier_call = radeon_acpi_event;

From ef4f30f54e265c2f6f9ac9eda4db158a4e16050b Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Tue, 18 May 2010 17:29:14 +0800
Subject: [PATCH 1976/3638] perf, x86: P4 PMU -- fix typo in unflagged NMI
 handling

Tested-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
LKML-Reference: <1274174954.22793.17.camel@minggr.sh.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event_p4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 02f07283023..87e1803e67a 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -473,7 +473,7 @@ static inline int p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc)
 	rdmsr(hwc->config_base + hwc->idx, low, high);
 
 	/* we need to check high bit for unflagged overflows */
-	if ((low & P4_CCCR_OVF) || (high & (1 << 31))) {
+	if ((low & P4_CCCR_OVF) || !(high & (1 << 31))) {
 		overflow = 1;
 		(void)checking_wrmsrl(hwc->config_base + hwc->idx,
 			((u64)low) & ~P4_CCCR_OVF);

From 91e8512e75f5e36b83490072cfba9d9793103035 Mon Sep 17 00:00:00 2001
From: Vaibhav Hiremath <hvaibhav@ti.com>
Date: Mon, 4 Jan 2010 15:34:16 +0100
Subject: [PATCH 1977/3638] OMAP: Enable DSS2 in OMAP3EVM defconfig

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
[tomi.valkeinen@nokia.com: removed the board file changes]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 arch/arm/configs/omap3_evm_defconfig | 51 +++++++++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/omap3_evm_defconfig b/arch/arm/configs/omap3_evm_defconfig
index a6dd6d1af80..b02e371b099 100644
--- a/arch/arm/configs/omap3_evm_defconfig
+++ b/arch/arm/configs/omap3_evm_defconfig
@@ -911,7 +911,56 @@ CONFIG_DAB=y
 #
 # CONFIG_VGASTATE is not set
 CONFIG_VIDEO_OUTPUT_CONTROL=m
-# CONFIG_FB is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+# CONFIG_FB_OMAP_BOOTLOADER_INIT is not set
+CONFIG_OMAP2_VRAM=y
+CONFIG_OMAP2_VRFB=y
+CONFIG_OMAP2_DSS=y
+CONFIG_OMAP2_VRAM_SIZE=4
+# CONFIG_OMAP2_DSS_DEBUG_SUPPORT is not set
+# CONFIG_OMAP2_DSS_RFBI is not set
+CONFIG_OMAP2_DSS_VENC=y
+# CONFIG_OMAP2_DSS_SDI is not set
+# CONFIG_OMAP2_DSS_DSI is not set
+# CONFIG_OMAP2_DSS_FAKE_VSYNC is not set
+CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4
+CONFIG_FB_OMAP2=y
+# CONFIG_FB_OMAP2_DEBUG_SUPPORT is not set
+# CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE is not set
+CONFIG_FB_OMAP2_NUM_FBS=3
+
+#
+# OMAP2/3 Display Device Drivers
+#
+CONFIG_PANEL_GENERIC=y
+# CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C is not set
+CONFIG_PANEL_SHARP_LS037V7DW01=y
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #

From 14ec4740ff64e4111216287b1e8d51d515618b56 Mon Sep 17 00:00:00 2001
From: Vaibhav Hiremath <hvaibhav@ti.com>
Date: Wed, 13 Jan 2010 17:17:10 +0530
Subject: [PATCH 1978/3638] OMAP: AM3517: Enable DSS2 in AM3517EVM defconfig

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
[tomi.valkeinen@nokia.com: removed the board file changes]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 arch/arm/configs/am3517_evm_defconfig | 52 ++++++++++++++++++++++++++-
 1 file changed, 51 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/am3517_evm_defconfig b/arch/arm/configs/am3517_evm_defconfig
index 66a10b50d93..214ef42466f 100644
--- a/arch/arm/configs/am3517_evm_defconfig
+++ b/arch/arm/configs/am3517_evm_defconfig
@@ -692,7 +692,57 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
-# CONFIG_FB is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_ARMCLCD is not set
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+# CONFIG_FB_OMAP_BOOTLOADER_INIT is not set
+CONFIG_OMAP2_VRAM=y
+CONFIG_OMAP2_VRFB=y
+CONFIG_OMAP2_DSS=y
+CONFIG_OMAP2_VRAM_SIZE=4
+CONFIG_OMAP2_DSS_DEBUG_SUPPORT=y
+# CONFIG_OMAP2_DSS_RFBI is not set
+CONFIG_OMAP2_DSS_VENC=y
+# CONFIG_OMAP2_DSS_SDI is not set
+# CONFIG_OMAP2_DSS_DSI is not set
+# CONFIG_OMAP2_DSS_FAKE_VSYNC is not set
+CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4
+CONFIG_FB_OMAP2=y
+CONFIG_FB_OMAP2_DEBUG_SUPPORT=y
+# CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE is not set
+CONFIG_FB_OMAP2_NUM_FBS=3
+
+#
+# OMAP2/3 Display Device Drivers
+#
+CONFIG_PANEL_GENERIC=y
+# CONFIG_PANEL_SHARP_LS037V7DW01 is not set
+CONFIG_PANEL_SHARP_LQ043T1DG01=y
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #

From b4d78bf7a4663c8354ec9432eb9631b144a33ffa Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Wed, 17 Mar 2010 13:35:19 +0100
Subject: [PATCH 1979/3638] OMAP: DSS2: Add Kconfig option for DPI display type

This allows us to disable DPI on systems that do not have it

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/Kconfig   | 6 ++++++
 drivers/video/omap2/dss/Makefile  | 3 ++-
 drivers/video/omap2/dss/core.c    | 4 ++++
 drivers/video/omap2/dss/display.c | 4 ++++
 4 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
index 87afb81b2c4..43b64403eaa 100644
--- a/drivers/video/omap2/dss/Kconfig
+++ b/drivers/video/omap2/dss/Kconfig
@@ -36,6 +36,12 @@ config OMAP2_DSS_COLLECT_IRQ_STATS
 	  <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
 	  <debugfs>/omapdss/dsi_irq for DSI interrupts.
 
+config OMAP2_DSS_DPI
+	bool "DPI support"
+	default y
+	help
+	  DPI Interface. This is the Parallel Display Interface.
+
 config OMAP2_DSS_RFBI
 	bool "RFBI support"
         default n
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
index 980c72c2db9..d71b5d9d71b 100644
--- a/drivers/video/omap2/dss/Makefile
+++ b/drivers/video/omap2/dss/Makefile
@@ -1,5 +1,6 @@
 obj-$(CONFIG_OMAP2_DSS) += omapdss.o
-omapdss-y := core.o dss.o dispc.o dpi.o display.o manager.o overlay.o
+omapdss-y := core.o dss.o dispc.o display.o manager.o overlay.o
+omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
 omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
 omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
 omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 7ebe50b335e..6d54467e5e2 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -526,11 +526,13 @@ static int omap_dss_probe(struct platform_device *pdev)
 	}
 #endif
 
+#ifdef CONFIG_OMAP2_DSS_DPI
 	r = dpi_init(pdev);
 	if (r) {
 		DSSERR("Failed to initialize dpi\n");
 		goto fail0;
 	}
+#endif
 
 	r = dispc_init();
 	if (r) {
@@ -601,7 +603,9 @@ static int omap_dss_remove(struct platform_device *pdev)
 	venc_exit();
 #endif
 	dispc_exit();
+#ifdef CONFIG_OMAP2_DSS_DPI
 	dpi_exit();
+#endif
 #ifdef CONFIG_OMAP2_DSS_RFBI
 	rfbi_exit();
 #endif
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
index 6a74ea116d2..71389630b10 100644
--- a/drivers/video/omap2/dss/display.c
+++ b/drivers/video/omap2/dss/display.c
@@ -392,7 +392,9 @@ void dss_init_device(struct platform_device *pdev,
 	int r;
 
 	switch (dssdev->type) {
+#ifdef CONFIG_OMAP2_DSS_DPI
 	case OMAP_DISPLAY_TYPE_DPI:
+#endif
 #ifdef CONFIG_OMAP2_DSS_RFBI
 	case OMAP_DISPLAY_TYPE_DBI:
 #endif
@@ -413,9 +415,11 @@ void dss_init_device(struct platform_device *pdev,
 	}
 
 	switch (dssdev->type) {
+#ifdef CONFIG_OMAP2_DSS_DPI
 	case OMAP_DISPLAY_TYPE_DPI:
 		r = dpi_init_display(dssdev);
 		break;
+#endif
 #ifdef CONFIG_OMAP2_DSS_RFBI
 	case OMAP_DISPLAY_TYPE_DBI:
 		r = rfbi_init_display(dssdev);

From b1d145b6d3c07cb9ccb6afb224c78a9d61f8cd17 Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Wed, 17 Mar 2010 13:35:20 +0100
Subject: [PATCH 1980/3638] OMAP: DSS2: Remove redundant enable/disable calls
 from SDI

Panel enable/disable is now done via the panel driver, so we should not
call the panel driver again

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/sdi.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index 12eb4042dd8..3de3c1e559a 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -115,17 +115,9 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
 
 	dssdev->manager->enable(dssdev->manager);
 
-	if (dssdev->driver->enable) {
-		r = dssdev->driver->enable(dssdev);
-		if (r)
-			goto err3;
-	}
-
 	sdi.skip_init = 0;
 
 	return 0;
-err3:
-	dssdev->manager->disable(dssdev->manager);
 err2:
 	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
 err1:
@@ -137,9 +129,6 @@ EXPORT_SYMBOL(omapdss_sdi_display_enable);
 
 void omapdss_sdi_display_disable(struct omap_dss_device *dssdev)
 {
-	if (dssdev->driver->disable)
-		dssdev->driver->disable(dssdev);
-
 	dssdev->manager->disable(dssdev->manager);
 
 	dss_sdi_disable();

From 508886cf98c81cee73cd75943b3d0039801327ab Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Wed, 17 Mar 2010 13:35:21 +0100
Subject: [PATCH 1981/3638] OMAP: DSS2: Use vdds_sdi regulator supply in SDI

This patch enables the use of vdds_sdi regulator in SDI subsystem.
We can disable the vdds_sdi voltage when not in use to save
power.

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/sdi.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index 3de3c1e559a..ee07a3cc22e 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -23,13 +23,16 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/err.h>
+#include <linux/regulator/consumer.h>
 
 #include <plat/display.h>
+#include <plat/cpu.h>
 #include "dss.h"
 
 static struct {
 	bool skip_init;
 	bool update_enabled;
+	struct regulator *vdds_sdi_reg;
 } sdi;
 
 static void sdi_basic_init(void)
@@ -57,6 +60,10 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
 		goto err0;
 	}
 
+	r = regulator_enable(sdi.vdds_sdi_reg);
+	if (r)
+		goto err1;
+
 	/* In case of skip_init sdi_init has already enabled the clocks */
 	if (!sdi.skip_init)
 		dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
@@ -120,6 +127,7 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
 	return 0;
 err2:
 	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
+	regulator_disable(sdi.vdds_sdi_reg);
 err1:
 	omap_dss_stop_device(dssdev);
 err0:
@@ -135,6 +143,8 @@ void omapdss_sdi_display_disable(struct omap_dss_device *dssdev)
 
 	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
 
+	regulator_disable(sdi.vdds_sdi_reg);
+
 	omap_dss_stop_device(dssdev);
 }
 EXPORT_SYMBOL(omapdss_sdi_display_disable);
@@ -151,6 +161,11 @@ int sdi_init(bool skip_init)
 	/* we store this for first display enable, then clear it */
 	sdi.skip_init = skip_init;
 
+	sdi.vdds_sdi_reg = dss_get_vdds_sdi();
+	if (IS_ERR(sdi.vdds_sdi_reg)) {
+		DSSERR("can't get VDDS_SDI regulator\n");
+		return PTR_ERR(sdi.vdds_sdi_reg);
+	}
 	/*
 	 * Enable clocks already here, otherwise there would be a toggle
 	 * of them until sdi_display_enable is called.

From 238a41329ca208d1170962260babb428b6e222c2 Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Thu, 18 Mar 2010 10:32:05 +0100
Subject: [PATCH 1982/3638] OMAP: DSS2: fix lock_fb_info() and omapfb_lock()
 locking order

Framebuffer ioctl processing forces lock_fb_info() -> omapfb_lock()
locking order. Follow that order to avoid possible circular locking
dependency, detected by lockdep.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/omapfb/omapfb-ioctl.c | 4 ++--
 drivers/video/omap2/omapfb/omapfb-sysfs.c | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 1ffa760b854..2c0f01c44aa 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -183,13 +183,13 @@ int omapfb_update_window(struct fb_info *fbi,
 	struct omapfb2_device *fbdev = ofbi->fbdev;
 	int r;
 
-	omapfb_lock(fbdev);
 	lock_fb_info(fbi);
+	omapfb_lock(fbdev);
 
 	r = omapfb_update_window_nolock(fbi, x, y, w, h);
 
-	unlock_fb_info(fbi);
 	omapfb_unlock(fbdev);
+	unlock_fb_info(fbi);
 
 	return r;
 }
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c
index 62bb88f5c19..e1044501798 100644
--- a/drivers/video/omap2/omapfb/omapfb-sysfs.c
+++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c
@@ -137,8 +137,8 @@ static ssize_t show_overlays(struct device *dev,
 	ssize_t l = 0;
 	int t;
 
-	omapfb_lock(fbdev);
 	lock_fb_info(fbi);
+	omapfb_lock(fbdev);
 
 	for (t = 0; t < ofbi->num_overlays; t++) {
 		struct omap_overlay *ovl = ofbi->overlays[t];
@@ -154,8 +154,8 @@ static ssize_t show_overlays(struct device *dev,
 
 	l += snprintf(buf + l, PAGE_SIZE - l, "\n");
 
-	unlock_fb_info(fbi);
 	omapfb_unlock(fbdev);
+	unlock_fb_info(fbi);
 
 	return l;
 }
@@ -195,8 +195,8 @@ static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
 	if (buf[len - 1] == '\n')
 		len = len - 1;
 
-	omapfb_lock(fbdev);
 	lock_fb_info(fbi);
+	omapfb_lock(fbdev);
 
 	if (len > 0) {
 		char *p = (char *)buf;
@@ -303,8 +303,8 @@ static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
 
 	r = count;
 out:
-	unlock_fb_info(fbi);
 	omapfb_unlock(fbdev);
+	unlock_fb_info(fbi);
 
 	return r;
 }

From 27b67c92a30967e3a9e9ea082d4ca4bc6882f879 Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Thu, 18 Mar 2010 10:32:06 +0100
Subject: [PATCH 1983/3638] OMAP: DSS2: check lock_fb_info() return value

Give up if lock_fb_info() fails, following the same convention as other
lock_fb_info() users.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/omapfb/omapfb-ioctl.c |  3 ++-
 drivers/video/omap2/omapfb/omapfb-sysfs.c | 21 ++++++++++++++-------
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 2c0f01c44aa..9c7361871d7 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -183,7 +183,8 @@ int omapfb_update_window(struct fb_info *fbi,
 	struct omapfb2_device *fbdev = ofbi->fbdev;
 	int r;
 
-	lock_fb_info(fbi);
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
 	omapfb_lock(fbdev);
 
 	r = omapfb_update_window_nolock(fbi, x, y, w, h);
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c
index e1044501798..5179219128b 100644
--- a/drivers/video/omap2/omapfb/omapfb-sysfs.c
+++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c
@@ -57,7 +57,8 @@ static ssize_t store_rotate_type(struct device *dev,
 	if (rot_type != OMAP_DSS_ROT_DMA && rot_type != OMAP_DSS_ROT_VRFB)
 		return -EINVAL;
 
-	lock_fb_info(fbi);
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
 
 	r = 0;
 	if (rot_type == ofbi->rotation_type)
@@ -105,7 +106,8 @@ static ssize_t store_mirror(struct device *dev,
 	if (mirror != 0 && mirror != 1)
 		return -EINVAL;
 
-	lock_fb_info(fbi);
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
 
 	ofbi->mirror = mirror;
 
@@ -137,7 +139,8 @@ static ssize_t show_overlays(struct device *dev,
 	ssize_t l = 0;
 	int t;
 
-	lock_fb_info(fbi);
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
 	omapfb_lock(fbdev);
 
 	for (t = 0; t < ofbi->num_overlays; t++) {
@@ -195,7 +198,8 @@ static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
 	if (buf[len - 1] == '\n')
 		len = len - 1;
 
-	lock_fb_info(fbi);
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
 	omapfb_lock(fbdev);
 
 	if (len > 0) {
@@ -317,7 +321,8 @@ static ssize_t show_overlays_rotate(struct device *dev,
 	ssize_t l = 0;
 	int t;
 
-	lock_fb_info(fbi);
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
 
 	for (t = 0; t < ofbi->num_overlays; t++) {
 		l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
@@ -345,7 +350,8 @@ static ssize_t store_overlays_rotate(struct device *dev,
 	if (buf[len - 1] == '\n')
 		len = len - 1;
 
-	lock_fb_info(fbi);
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
 
 	if (len > 0) {
 		char *p = (char *)buf;
@@ -416,7 +422,8 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr,
 
 	size = PAGE_ALIGN(simple_strtoul(buf, NULL, 0));
 
-	lock_fb_info(fbi);
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
 
 	for (i = 0; i < ofbi->num_overlays; i++) {
 		if (ofbi->overlays[i]->info.enabled) {

From 35bc42c50432d3dde0119f7630f1e4574bd67519 Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Wed, 24 Mar 2010 11:59:37 +0100
Subject: [PATCH 1984/3638] OMAP: DSS2: VENC: don't call
 platform_enable/disable() twice

platform_enable/disable() is already called in venc_power_on/off(), so
don't do it again in venc_panel_enable/disable().

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/venc.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index f0ba5732d84..eff35050e28 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -479,12 +479,6 @@ static int venc_panel_enable(struct omap_dss_device *dssdev)
 		goto err1;
 	}
 
-	if (dssdev->platform_enable) {
-		r = dssdev->platform_enable(dssdev);
-		if (r)
-			goto err2;
-	}
-
 	venc_power_on(dssdev);
 
 	venc.wss_data = 0;
@@ -494,13 +488,9 @@ static int venc_panel_enable(struct omap_dss_device *dssdev)
 	/* wait couple of vsyncs until enabling the LCD */
 	msleep(50);
 
-	mutex_unlock(&venc.venc_lock);
-
-	return r;
-err2:
-	venc_power_off(dssdev);
 err1:
 	mutex_unlock(&venc.venc_lock);
+
 	return r;
 }
 
@@ -524,9 +514,6 @@ static void venc_panel_disable(struct omap_dss_device *dssdev)
 	/* wait at least 5 vsyncs after disabling the LCD */
 	msleep(100);
 
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
-
 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
 end:
 	mutex_unlock(&venc.venc_lock);

From 279fcd48c4a426050422b2d196fd99c2b5ae7d71 Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Wed, 24 Mar 2010 11:59:38 +0100
Subject: [PATCH 1985/3638] OMAP: DSS2: Fix device disable when driver is not
 loaded

Only call driver disable when device isn't already disabled, which also
handles the driver not loaded case.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/display.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
index 71389630b10..ef8c8529dda 100644
--- a/drivers/video/omap2/dss/display.c
+++ b/drivers/video/omap2/dss/display.c
@@ -545,7 +545,10 @@ int dss_resume_all_devices(void)
 static int dss_disable_device(struct device *dev, void *data)
 {
 	struct omap_dss_device *dssdev = to_dss_device(dev);
-	dssdev->driver->disable(dssdev);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
+		dssdev->driver->disable(dssdev);
+
 	return 0;
 }
 

From f49a951f8a2dacbbb145b6199297fcc3e493b90f Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Date: Fri, 26 Mar 2010 16:26:37 +0200
Subject: [PATCH 1986/3638] OMAP: DSS2: Make partial update width even
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

There are some strange problems with DSI and updates with odd widths. One
particular problem is that HS TX timeout triggers easily with updates with
odd widths.

This patch makes the updates widths even, circumventing the problem. There
should be no ill side effects with increasing the update area slightly to
make the width even.

Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/manager.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 0820986d4a6..32ec2ff2e9c 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -940,6 +940,22 @@ static int configure_dispc(void)
 	return r;
 }
 
+/* Make the coordinates even. There are some strange problems with OMAP and
+ * partial DSI update when the update widths are odd. */
+static void make_even(u16 *x, u16 *w)
+{
+	u16 x1, x2;
+
+	x1 = *x;
+	x2 = *x + *w;
+
+	x1 &= ~1;
+	x2 = ALIGN(x2, 2);
+
+	*x = x1;
+	*w = x2 - x1;
+}
+
 /* Configure dispc for partial update. Return possibly modified update
  * area */
 void dss_setup_partial_planes(struct omap_dss_device *dssdev,
@@ -968,6 +984,8 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
 		return;
 	}
 
+	make_even(&x, &w);
+
 	spin_lock_irqsave(&dss_cache.lock, flags);
 
 	/* We need to show the whole overlay if it is scaled. So look for
@@ -1029,6 +1047,8 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
 		w = x2 - x1;
 		h = y2 - y1;
 
+		make_even(&x, &w);
+
 		DSSDBG("changing upd area due to ovl(%d) scaling %d,%d %dx%d\n",
 				i, x, y, w, h);
 	}

From a3201a0eaed38dd7ece72393a778b4408ec79627 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Date: Wed, 3 Mar 2010 14:31:45 +0200
Subject: [PATCH 1987/3638] OMAP: DSS2: Taal: add mutex to protect panel data

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/displays/panel-taal.c | 140 ++++++++++++++++++----
 1 file changed, 119 insertions(+), 21 deletions(-)

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 4f3988a4108..1799096a138 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -31,6 +31,7 @@
 #include <linux/completion.h>
 #include <linux/workqueue.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
 
 #include <plat/display.h>
 
@@ -67,6 +68,8 @@
 static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
 
 struct taal_data {
+	struct mutex lock;
+
 	struct backlight_device *bldev;
 
 	unsigned long	hw_guard_end;	/* next value of jiffies when we can
@@ -510,6 +513,8 @@ static int taal_probe(struct omap_dss_device *dssdev)
 	}
 	td->dssdev = dssdev;
 
+	mutex_init(&td->lock);
+
 	td->esd_wq = create_singlethread_workqueue("taal_esd");
 	if (td->esd_wq == NULL) {
 		dev_err(&dssdev->dev, "can't create ESD workqueue\n");
@@ -733,54 +738,96 @@ static void taal_power_off(struct omap_dss_device *dssdev)
 
 static int taal_enable(struct omap_dss_device *dssdev)
 {
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
 	int r;
+
 	dev_dbg(&dssdev->dev, "enable\n");
 
-	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
-		return -EINVAL;
+	mutex_lock(&td->lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
+		r = -EINVAL;
+		goto err;
+	}
 
 	r = taal_power_on(dssdev);
 	if (r)
-		return r;
+		goto err;
 
 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
 
+	mutex_unlock(&td->lock);
+
+	return 0;
+err:
+	dev_dbg(&dssdev->dev, "enable failed\n");
+	mutex_unlock(&td->lock);
 	return r;
 }
 
 static void taal_disable(struct omap_dss_device *dssdev)
 {
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
 	dev_dbg(&dssdev->dev, "disable\n");
 
+	mutex_lock(&td->lock);
+
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
 		taal_power_off(dssdev);
 
 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+	mutex_unlock(&td->lock);
 }
 
 static int taal_suspend(struct omap_dss_device *dssdev)
 {
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
 	dev_dbg(&dssdev->dev, "suspend\n");
 
-	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
-		return -EINVAL;
+	mutex_lock(&td->lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
+		r = -EINVAL;
+		goto err;
+	}
 
 	taal_power_off(dssdev);
 	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
 
+	mutex_unlock(&td->lock);
+
 	return 0;
+err:
+	mutex_unlock(&td->lock);
+	return r;
 }
 
 static int taal_resume(struct omap_dss_device *dssdev)
 {
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
 	int r;
+
 	dev_dbg(&dssdev->dev, "resume\n");
 
-	if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED)
-		return -EINVAL;
+	mutex_lock(&td->lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
+		r = -EINVAL;
+		goto err;
+	}
 
 	r = taal_power_on(dssdev);
 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&td->lock);
+
+	return r;
+err:
+	mutex_unlock(&td->lock);
 	return r;
 }
 
@@ -799,6 +846,7 @@ static int taal_update(struct omap_dss_device *dssdev,
 
 	dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
 
+	mutex_lock(&td->lock);
 	dsi_bus_lock();
 
 	if (!td->enabled) {
@@ -820,18 +868,24 @@ static int taal_update(struct omap_dss_device *dssdev,
 		goto err;
 
 	/* note: no bus_unlock here. unlock is in framedone_cb */
+	mutex_unlock(&td->lock);
 	return 0;
 err:
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 	return r;
 }
 
 static int taal_sync(struct omap_dss_device *dssdev)
 {
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
 	dev_dbg(&dssdev->dev, "sync\n");
 
+	mutex_lock(&td->lock);
 	dsi_bus_lock();
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 
 	dev_dbg(&dssdev->dev, "sync done\n");
 
@@ -861,13 +915,16 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
 
 static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
 {
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
 	int r;
 
+	mutex_lock(&td->lock);
 	dsi_bus_lock();
 
 	r = _taal_enable_te(dssdev, enable);
 
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 
 	return r;
 }
@@ -875,7 +932,13 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
 static int taal_get_te(struct omap_dss_device *dssdev)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	return td->te_enabled;
+	int r;
+
+	mutex_lock(&td->lock);
+	r = td->te_enabled;
+	mutex_unlock(&td->lock);
+
+	return r;
 }
 
 static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
@@ -885,6 +948,7 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
 
 	dev_dbg(&dssdev->dev, "rotate %d\n", rotate);
 
+	mutex_lock(&td->lock);
 	dsi_bus_lock();
 
 	if (td->enabled) {
@@ -896,16 +960,24 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
 	td->rotate = rotate;
 
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 	return 0;
 err:
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 	return r;
 }
 
 static u8 taal_get_rotate(struct omap_dss_device *dssdev)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	return td->rotate;
+	int r;
+
+	mutex_lock(&td->lock);
+	r = td->rotate;
+	mutex_unlock(&td->lock);
+
+	return r;
 }
 
 static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
@@ -915,6 +987,7 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
 
 	dev_dbg(&dssdev->dev, "mirror %d\n", enable);
 
+	mutex_lock(&td->lock);
 	dsi_bus_lock();
 	if (td->enabled) {
 		r = taal_set_addr_mode(td->rotate, enable);
@@ -925,23 +998,33 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
 	td->mirror = enable;
 
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 	return 0;
 err:
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 	return r;
 }
 
 static bool taal_get_mirror(struct omap_dss_device *dssdev)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	return td->mirror;
+	int r;
+
+	mutex_lock(&td->lock);
+	r = td->mirror;
+	mutex_unlock(&td->lock);
+
+	return r;
 }
 
 static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
 {
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
 	u8 id1, id2, id3;
 	int r;
 
+	mutex_lock(&td->lock);
 	dsi_bus_lock();
 
 	r = taal_dcs_read_1(DCS_GET_ID1, &id1);
@@ -955,9 +1038,11 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
 		goto err;
 
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 	return 0;
 err:
 	dsi_bus_unlock();
+	mutex_unlock(&td->lock);
 	return r;
 }
 
@@ -971,12 +1056,16 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
 	unsigned buf_used = 0;
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
 
-	if (!td->enabled)
-		return -ENODEV;
-
 	if (size < w * h * 3)
 		return -ENOMEM;
 
+	mutex_lock(&td->lock);
+
+	if (!td->enabled) {
+		r = -ENODEV;
+		goto err1;
+	}
+
 	size = min(w * h * 3,
 			dssdev->panel.timings.x_res *
 			dssdev->panel.timings.y_res * 3);
@@ -995,7 +1084,7 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
 
 	r = dsi_vc_set_max_rx_packet_size(TCH, plen);
 	if (r)
-		goto err0;
+		goto err2;
 
 	while (buf_used < size) {
 		u8 dcs_cmd = first ? 0x2e : 0x3e;
@@ -1006,7 +1095,7 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
 
 		if (r < 0) {
 			dev_err(&dssdev->dev, "read error\n");
-			goto err;
+			goto err3;
 		}
 
 		buf_used += r;
@@ -1020,16 +1109,18 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
 			dev_err(&dssdev->dev, "signal pending, "
 					"aborting memory read\n");
 			r = -ERESTARTSYS;
-			goto err;
+			goto err3;
 		}
 	}
 
 	r = buf_used;
 
-err:
+err3:
 	dsi_vc_set_max_rx_packet_size(TCH, 1);
-err0:
+err2:
 	dsi_bus_unlock();
+err1:
+	mutex_unlock(&td->lock);
 	return r;
 }
 
@@ -1041,8 +1132,12 @@ static void taal_esd_work(struct work_struct *work)
 	u8 state1, state2;
 	int r;
 
-	if (!td->enabled)
+	mutex_lock(&td->lock);
+
+	if (!td->enabled) {
+		mutex_unlock(&td->lock);
 		return;
+	}
 
 	dsi_bus_lock();
 
@@ -1084,16 +1179,19 @@ static void taal_esd_work(struct work_struct *work)
 
 	queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
 
+	mutex_unlock(&td->lock);
 	return;
 err:
 	dev_err(&dssdev->dev, "performing LCD reset\n");
 
-	taal_disable(dssdev);
-	taal_enable(dssdev);
+	taal_power_off(dssdev);
+	taal_power_on(dssdev);
 
 	dsi_bus_unlock();
 
 	queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
+
+	mutex_unlock(&td->lock);
 }
 
 static int taal_set_update_mode(struct omap_dss_device *dssdev,

From 6df37271f879f14119a0605549f1a2574e83b4fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@nokia.com>
Date: Wed, 10 Mar 2010 18:24:54 +0100
Subject: [PATCH 1988/3638] OMAP: DSS2: Taal: Fix DSI bus locking problem
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

If omapdss_dsi_display_enable() failed the DSI bus was left locked. Also
if the operation failed later omapdss_dsi_display_disable() would get
called without holding the bus lock.

Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/displays/panel-taal.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 1799096a138..aaf5d308a04 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -702,10 +702,9 @@ static int taal_power_on(struct omap_dss_device *dssdev)
 
 	return 0;
 err:
-	dsi_bus_unlock();
-
 	omapdss_dsi_display_disable(dssdev);
 err0:
+	dsi_bus_unlock();
 	if (dssdev->platform_disable)
 		dssdev->platform_disable(dssdev);
 

From cd874237d97f24f601f16a140d20803b6a79202e Mon Sep 17 00:00:00 2001
From: "Kirill A. Shutemov" <kirill@shutemov.name>
Date: Mon, 17 May 2010 16:55:47 +0300
Subject: [PATCH 1989/3638] mtd: mtdchar: Do not corrupt backing device of
 device node inode

We cannot modify file->f_mapping->backing_dev_info, because it will corrupt
backing device of device node inode, since file->f_mapping is equal to
inode->i_mapping (see __dentry_open() in fs/open.c).

Let's introduce separate inode for MTD device with appropriate backing
device.

[dwmw2: Refactor to keep it all entirely within mtdchar.c; use iget_locked()]

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdchar.c | 95 +++++++++++++++++++++++++++++++++++++++----
 1 file changed, 87 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index c355491d132..8bb5e4a6632 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -15,12 +15,15 @@
 #include <linux/smp_lock.h>
 #include <linux/backing-dev.h>
 #include <linux/compat.h>
+#include <linux/mount.h>
 
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/compatmac.h>
 
 #include <asm/uaccess.h>
 
+#define MTD_INODE_FS_MAGIC 0x11307854
+static struct vfsmount *mtd_inode_mnt __read_mostly;
 
 /*
  * Data structure to hold the pointer to the mtd device as well
@@ -28,6 +31,7 @@
  */
 struct mtd_file_info {
 	struct mtd_info *mtd;
+	struct inode *ino;
 	enum mtd_file_modes mode;
 };
 
@@ -64,6 +68,7 @@ static int mtd_open(struct inode *inode, struct file *file)
 	int ret = 0;
 	struct mtd_info *mtd;
 	struct mtd_file_info *mfi;
+	struct inode *mtd_ino;
 
 	DEBUG(MTD_DEBUG_LEVEL0, "MTD_open\n");
 
@@ -85,11 +90,23 @@ static int mtd_open(struct inode *inode, struct file *file)
 		goto out;
 	}
 
-	if (mtd->backing_dev_info)
-		file->f_mapping->backing_dev_info = mtd->backing_dev_info;
+	mtd_ino = iget_locked(mtd_inode_mnt->mnt_sb, devnum);
+	if (!mtd_ino) {
+		put_mtd_device(mtd);
+		ret = -ENOMEM;
+		goto out;
+	}
+	if (mtd_ino->i_state & I_NEW) {
+		mtd_ino->i_private = mtd;
+		mtd_ino->i_mode = S_IFCHR;
+		mtd_ino->i_data.backing_dev_info = mtd->backing_dev_info;
+		unlock_new_inode(mtd_ino);
+	}
+	file->f_mapping = mtd_ino->i_mapping;
 
 	/* You can't open it RW if it's not a writeable device */
 	if ((file->f_mode & FMODE_WRITE) && !(mtd->flags & MTD_WRITEABLE)) {
+		iput(mtd_ino);
 		put_mtd_device(mtd);
 		ret = -EACCES;
 		goto out;
@@ -97,10 +114,12 @@ static int mtd_open(struct inode *inode, struct file *file)
 
 	mfi = kzalloc(sizeof(*mfi), GFP_KERNEL);
 	if (!mfi) {
+		iput(mtd_ino);
 		put_mtd_device(mtd);
 		ret = -ENOMEM;
 		goto out;
 	}
+	mfi->ino = mtd_ino;
 	mfi->mtd = mtd;
 	file->private_data = mfi;
 
@@ -122,6 +141,8 @@ static int mtd_close(struct inode *inode, struct file *file)
 	if ((file->f_mode & FMODE_WRITE) && mtd->sync)
 		mtd->sync(mtd);
 
+	iput(mfi->ino);
+
 	put_mtd_device(mtd);
 	file->private_data = NULL;
 	kfree(mfi);
@@ -951,22 +972,80 @@ static const struct file_operations mtd_fops = {
 #endif
 };
 
+static int mtd_inodefs_get_sb(struct file_system_type *fs_type, int flags,
+                               const char *dev_name, void *data,
+                               struct vfsmount *mnt)
+{
+        return get_sb_pseudo(fs_type, "mtd_inode:", NULL, MTD_INODE_FS_MAGIC,
+                             mnt);
+}
+
+static struct file_system_type mtd_inodefs_type = {
+       .name = "mtd_inodefs",
+       .get_sb = mtd_inodefs_get_sb,
+       .kill_sb = kill_anon_super,
+};
+
+static void mtdchar_notify_add(struct mtd_info *mtd)
+{
+}
+
+static void mtdchar_notify_remove(struct mtd_info *mtd)
+{
+	struct inode *mtd_ino = ilookup(mtd_inode_mnt->mnt_sb, mtd->index);
+
+	if (mtd_ino) {
+		/* Destroy the inode if it exists */
+		mtd_ino->i_nlink = 0;
+		iput(mtd_ino);
+	}
+}
+
+static struct mtd_notifier mtdchar_notifier = {
+	.add = mtdchar_notify_add,
+	.remove = mtdchar_notify_remove,
+};
+
 static int __init init_mtdchar(void)
 {
-	int status;
+	int ret;
 
-	status = __register_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS,
+	ret = __register_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS,
 				   "mtd", &mtd_fops);
-	if (status < 0) {
-		printk(KERN_NOTICE "Can't allocate major number %d for Memory Technology Devices.\n",
-		       MTD_CHAR_MAJOR);
+	if (ret < 0) {
+		pr_notice("Can't allocate major number %d for "
+				"Memory Technology Devices.\n", MTD_CHAR_MAJOR);
+		return ret;
 	}
 
-	return status;
+	ret = register_filesystem(&mtd_inodefs_type);
+	if (ret) {
+		pr_notice("Can't register mtd_inodefs filesystem: %d\n", ret);
+		goto err_unregister_chdev;
+	}
+
+	mtd_inode_mnt = kern_mount(&mtd_inodefs_type);
+	if (IS_ERR(mtd_inode_mnt)) {
+		ret = PTR_ERR(mtd_inode_mnt);
+		pr_notice("Error mounting mtd_inodefs filesystem: %d\n", ret);
+		goto err_unregister_filesystem;
+	}
+	register_mtd_user(&mtdchar_notifier);
+
+	return ret;
+
+err_unregister_filesystem:
+	unregister_filesystem(&mtd_inodefs_type);
+err_unregister_chdev:
+	__unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd");
+	return ret;
 }
 
 static void __exit cleanup_mtdchar(void)
 {
+	unregister_mtd_user(&mtdchar_notifier);
+	mntput(mtd_inode_mnt);
+	unregister_filesystem(&mtd_inodefs_type);
 	__unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd");
 }
 

From 00237bc5204c43f67b2e68546012d7bd27efc1b6 Mon Sep 17 00:00:00 2001
From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: Sat, 8 May 2010 17:20:38 +0200
Subject: [PATCH 1990/3638] HID: roccat: Correctly mark init and exit functions

Added the __init and __exit hints for module functions.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-roccat-kone.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 7b117849662..a41df9ab287 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -989,12 +989,12 @@ static struct hid_driver kone_driver = {
 		.raw_event = kone_raw_event
 };
 
-static int kone_init(void)
+static int __init kone_init(void)
 {
 	return hid_register_driver(&kone_driver);
 }
 
-static void kone_exit(void)
+static void __exit kone_exit(void)
 {
 	hid_unregister_driver(&kone_driver);
 }

From 2b88c5bc310dc7a2bf9341b86e9f01cf05e8769e Mon Sep 17 00:00:00 2001
From: Vaibhav Hiremath <hvaibhav@ti.com>
Date: Thu, 15 Apr 2010 16:00:00 +0200
Subject: [PATCH 1991/3638] OMAP: LCD LS037V7DW01: Add Backlight driver support

Tested on OMAP3EVM for OMAP3530 and AM/DM 3730.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
[tomi.valkeinen@nokia.com: added slab.h include]
[tomi.valkeinen@nokia.com: added dependency to BACKLIGHT_CLASS_DEVICE]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/displays/Kconfig          |  1 +
 .../omap2/displays/panel-sharp-ls037v7dw01.c  | 78 +++++++++++++++++++
 2 files changed, 79 insertions(+)

diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index dfb57ee5086..ea8ccd362c2 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -10,6 +10,7 @@ config PANEL_GENERIC
 config PANEL_SHARP_LS037V7DW01
         tristate "Sharp LS037V7DW01 LCD Panel"
         depends on OMAP2_DSS
+        select BACKLIGHT_CLASS_DEVICE
         help
           LCD Panel used in TI's SDP3430 and EVM boards
 
diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
index 8d51a5e6341..7d9eb2b1f5a 100644
--- a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
@@ -20,10 +20,17 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/device.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
 #include <linux/err.h>
+#include <linux/slab.h>
 
 #include <plat/display.h>
 
+struct sharp_data {
+	struct backlight_device *bl;
+};
+
 static struct omap_video_timings sharp_ls_timings = {
 	.x_res = 480,
 	.y_res = 640,
@@ -39,18 +46,89 @@ static struct omap_video_timings sharp_ls_timings = {
 	.vbp		= 1,
 };
 
+static int sharp_ls_bl_update_status(struct backlight_device *bl)
+{
+	struct omap_dss_device *dssdev = dev_get_drvdata(&bl->dev);
+	int level;
+
+	if (!dssdev->set_backlight)
+		return -EINVAL;
+
+	if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
+			bl->props.power == FB_BLANK_UNBLANK)
+		level = bl->props.brightness;
+	else
+		level = 0;
+
+	return dssdev->set_backlight(dssdev, level);
+}
+
+static int sharp_ls_bl_get_brightness(struct backlight_device *bl)
+{
+	if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
+			bl->props.power == FB_BLANK_UNBLANK)
+		return bl->props.brightness;
+
+	return 0;
+}
+
+static const struct backlight_ops sharp_ls_bl_ops = {
+	.get_brightness = sharp_ls_bl_get_brightness,
+	.update_status  = sharp_ls_bl_update_status,
+};
+
+
+
 static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
 {
+	struct backlight_properties props;
+	struct backlight_device *bl;
+	struct sharp_data *sd;
+	int r;
+
 	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
 		OMAP_DSS_LCD_IHS;
 	dssdev->panel.acb = 0x28;
 	dssdev->panel.timings = sharp_ls_timings;
 
+	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
+	if (!sd)
+		return -ENOMEM;
+
+	dev_set_drvdata(&dssdev->dev, sd);
+
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = dssdev->max_backlight_level;
+
+	bl = backlight_device_register("sharp-ls", &dssdev->dev, dssdev,
+			&sharp_ls_bl_ops, &props);
+	if (IS_ERR(bl)) {
+		r = PTR_ERR(bl);
+		kfree(sd);
+		return r;
+	}
+	sd->bl = bl;
+
+	bl->props.fb_blank = FB_BLANK_UNBLANK;
+	bl->props.power = FB_BLANK_UNBLANK;
+	bl->props.brightness = dssdev->max_backlight_level;
+	r = sharp_ls_bl_update_status(bl);
+	if (r < 0)
+		dev_err(&dssdev->dev, "failed to set lcd brightness\n");
+
 	return 0;
 }
 
 static void sharp_ls_panel_remove(struct omap_dss_device *dssdev)
 {
+	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
+	struct backlight_device *bl = sd->bl;
+
+	bl->props.power = FB_BLANK_POWERDOWN;
+	sharp_ls_bl_update_status(bl);
+	backlight_device_unregister(bl);
+
+	kfree(sd);
 }
 
 static int sharp_ls_power_on(struct omap_dss_device *dssdev)

From a40458eee7ee60a89f89602067921658b87ded73 Mon Sep 17 00:00:00 2001
From: Grazvydas Ignotas <notasas@gmail.com>
Date: Thu, 15 Apr 2010 16:59:03 +0200
Subject: [PATCH 1992/3638] OMAP: DSS2: TPO-TD03MTEA1: fix Kconfig dependency

This panel depends on SPI, not I2C.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/displays/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index ea8ccd362c2..4221957b0d2 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -34,7 +34,7 @@ config PANEL_TOPPOLY_TDO35S
 
 config PANEL_TPO_TD043MTEA1
         tristate "TPO TD043MTEA1 LCD Panel"
-        depends on OMAP2_DSS && I2C
+        depends on OMAP2_DSS && SPI
         help
           LCD Panel used in OMAP3 Pandora
 

From 03e111045e362e16e97fdd79a49590a763fe5216 Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Mon, 10 May 2010 10:35:17 +0200
Subject: [PATCH 1993/3638] OMAP: RX51: Add LCD Panel support

Adds basic support for LCD Panel on Nokia N900

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 arch/arm/mach-omap2/Makefile                 |   1 +
 arch/arm/mach-omap2/board-rx51-peripherals.c |  13 +++
 arch/arm/mach-omap2/board-rx51-video.c       | 109 +++++++++++++++++++
 arch/arm/mach-omap2/board-rx51.c             |   2 +
 4 files changed, 125 insertions(+)
 create mode 100644 arch/arm/mach-omap2/board-rx51-video.c

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 4b9fc57770d..b03cbb434a3 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -122,6 +122,7 @@ obj-$(CONFIG_MACH_NOKIA_N8X0)		+= board-n8x0.o
 obj-$(CONFIG_MACH_NOKIA_RX51)		+= board-rx51.o \
 					   board-rx51-sdram.o \
 					   board-rx51-peripherals.o \
+					   board-rx51-video.o \
 					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP_ZOOM2)		+= board-zoom2.o \
 					   board-zoom-peripherals.o \
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 4377a4cf36e..f4045377485 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -45,6 +45,7 @@
 /* list all spi devices here */
 enum {
 	RX51_SPI_WL1251,
+	RX51_SPI_MIPID,		/* LCD panel */
 };
 
 static struct wl12xx_platform_data wl1251_pdata;
@@ -54,6 +55,11 @@ static struct omap2_mcspi_device_config wl1251_mcspi_config = {
 	.single_channel	= 1,
 };
 
+static struct omap2_mcspi_device_config mipid_mcspi_config = {
+	.turbo_mode	= 0,
+	.single_channel	= 1,
+};
+
 static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
 	[RX51_SPI_WL1251] = {
 		.modalias		= "wl1251",
@@ -64,6 +70,13 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
 		.controller_data	= &wl1251_mcspi_config,
 		.platform_data		= &wl1251_pdata,
 	},
+	[RX51_SPI_MIPID] = {
+		.modalias		= "acx565akm",
+		.bus_num		= 1,
+		.chip_select		= 2,
+		.max_speed_hz		= 6000000,
+		.controller_data	= &mipid_mcspi_config,
+	},
 };
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
new file mode 100644
index 00000000000..b743a4f4264
--- /dev/null
+++ b/arch/arm/mach-omap2/board-rx51-video.c
@@ -0,0 +1,109 @@
+/*
+ * linux/arch/arm/mach-omap2/board-rx51-video.c
+ *
+ * Copyright (C) 2010 Nokia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/mm.h>
+
+#include <asm/mach-types.h>
+#include <plat/mux.h>
+#include <plat/display.h>
+#include <plat/vram.h>
+#include <plat/mcspi.h>
+
+#include "mux.h"
+
+#define RX51_LCD_RESET_GPIO	90
+
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+
+static int rx51_lcd_enable(struct omap_dss_device *dssdev)
+{
+	gpio_set_value(dssdev->reset_gpio, 1);
+	return 0;
+}
+
+static void rx51_lcd_disable(struct omap_dss_device *dssdev)
+{
+	gpio_set_value(dssdev->reset_gpio, 0);
+}
+
+static struct omap_dss_device rx51_lcd_device = {
+	.name			= "lcd",
+	.driver_name		= "panel-acx565akm",
+	.type			= OMAP_DISPLAY_TYPE_SDI,
+	.phy.sdi.datapairs	= 2,
+	.reset_gpio		= RX51_LCD_RESET_GPIO,
+	.platform_enable	= rx51_lcd_enable,
+	.platform_disable	= rx51_lcd_disable,
+};
+
+static struct omap_dss_device *rx51_dss_devices[] = {
+	&rx51_lcd_device,
+};
+
+static struct omap_dss_board_info rx51_dss_board_info = {
+	.num_devices	= ARRAY_SIZE(rx51_dss_devices),
+	.devices	= rx51_dss_devices,
+	.default_device	= &rx51_lcd_device,
+};
+
+struct platform_device rx51_display_device = {
+	.name	= "omapdss",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &rx51_dss_board_info,
+	},
+};
+
+static struct platform_device *rx51_video_devices[] __initdata = {
+	&rx51_display_device,
+};
+
+static int __init rx51_video_init(void)
+{
+	if (!machine_is_nokia_rx51())
+		return 0;
+
+	if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
+		pr_err("%s cannot configure MUX for LCD RESET\n", __func__);
+		return 0;
+	}
+
+	if (gpio_request(RX51_LCD_RESET_GPIO, "LCD ACX565AKM reset")) {
+		pr_err("%s failed to get LCD Reset GPIO\n", __func__);
+		return 0;
+	}
+
+	gpio_direction_output(RX51_LCD_RESET_GPIO, 1);
+
+	platform_add_devices(rx51_video_devices,
+				ARRAY_SIZE(rx51_video_devices));
+	return 0;
+}
+
+subsys_initcall(rx51_video_init);
+
+void __init rx51_video_mem_init(void)
+{
+	/*
+	 * GFX 864x480x32bpp
+	 * VID1/2 1280x720x32bpp double buffered
+	 */
+	omap_vram_set_sdram_vram(PAGE_ALIGN(864 * 480 * 4) +
+			2 * PAGE_ALIGN(1280 * 720 * 4 * 2), 0);
+}
+
+#else
+void __init rx51_video_mem_init(void) { }
+#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index b155c366c65..1b86b5bb87a 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -36,6 +36,7 @@
 #define RX51_GPIO_SLEEP_IND 162
 
 struct omap_sdrc_params *rx51_get_sdram_timings(void);
+extern void rx51_video_mem_init(void);
 
 static struct gpio_led gpio_leds[] = {
 	{
@@ -143,6 +144,7 @@ static void __init rx51_init(void)
 static void __init rx51_map_io(void)
 {
 	omap2_set_globals_343x();
+	rx51_video_mem_init();
 	omap34xx_map_common_io();
 }
 

From 6996e7ff215c1cbad3dc7db3216fc6cf4815988c Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Mon, 22 Mar 2010 17:16:25 +0200
Subject: [PATCH 1994/3638] OMAP: RX51: Add Touch Controller in SPI board info

The Touch controller and LCD Panel share the same SPI bus 1.
So, we need to define the touch controller in the SPI board info
else, the SPI bus will be contended due to invalid state of
Touch controller's Chip Select thus preventing the LCD panel
from working.

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 arch/arm/mach-omap2/board-rx51-peripherals.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index f4045377485..d27a4ef6eb6 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -46,6 +46,7 @@
 enum {
 	RX51_SPI_WL1251,
 	RX51_SPI_MIPID,		/* LCD panel */
+	RX51_SPI_TSC2005,	/* Touch Controller */
 };
 
 static struct wl12xx_platform_data wl1251_pdata;
@@ -60,6 +61,11 @@ static struct omap2_mcspi_device_config mipid_mcspi_config = {
 	.single_channel	= 1,
 };
 
+static struct omap2_mcspi_device_config tsc2005_mcspi_config = {
+	.turbo_mode	= 0,
+	.single_channel	= 1,
+};
+
 static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
 	[RX51_SPI_WL1251] = {
 		.modalias		= "wl1251",
@@ -77,6 +83,15 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
 		.max_speed_hz		= 6000000,
 		.controller_data	= &mipid_mcspi_config,
 	},
+	[RX51_SPI_TSC2005] = {
+		.modalias		= "tsc2005",
+		.bus_num		= 1,
+		.chip_select		= 0,
+		/* .irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),*/
+		.max_speed_hz		= 6000000,
+		.controller_data	= &tsc2005_mcspi_config,
+		/* .platform_data = &tsc2005_config,*/
+	},
 };
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)

From 0188352b2774234575a41864fd0945be42975ee5 Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Wed, 10 Mar 2010 17:32:44 +0200
Subject: [PATCH 1995/3638] OMAP: DSS2: Add ACX565AKM Panel Driver

This is the panel used on Nokia N900

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/displays/Kconfig          |   6 +
 drivers/video/omap2/displays/Makefile         |   1 +
 .../video/omap2/displays/panel-acx565akm.c    | 819 ++++++++++++++++++
 3 files changed, 826 insertions(+)
 create mode 100644 drivers/video/omap2/displays/panel-acx565akm.c

diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index 4221957b0d2..881c9f77c75 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -38,4 +38,10 @@ config PANEL_TPO_TD043MTEA1
         help
           LCD Panel used in OMAP3 Pandora
 
+config PANEL_ACX565AKM
+	tristate "ACX565AKM Panel"
+	depends on OMAP2_DSS_SDI
+	select BACKLIGHT_CLASS_DEVICE
+	help
+	  This is the LCD panel used on Nokia N900
 endmenu
diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
index e2bb32168de..aa386095d7c 100644
--- a/drivers/video/omap2/displays/Makefile
+++ b/drivers/video/omap2/displays/Makefile
@@ -5,3 +5,4 @@ obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o
 obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
 obj-$(CONFIG_PANEL_TOPPOLY_TDO35S) += panel-toppoly-tdo35s.o
 obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
+obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o
diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
new file mode 100644
index 00000000000..1f8eb70e293
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-acx565akm.c
@@ -0,0 +1,819 @@
+/*
+ * Support for ACX565AKM LCD Panel used on Nokia N900
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Original Driver Author: Imre Deak <imre.deak@nokia.com>
+ * Based on panel-generic.c by Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ * Adapted to new DSS2 framework: Roger Quadros <roger.quadros@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/spi/spi.h>
+#include <linux/jiffies.h>
+#include <linux/sched.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+
+#include <plat/display.h>
+
+#define MIPID_CMD_READ_DISP_ID		0x04
+#define MIPID_CMD_READ_RED		0x06
+#define MIPID_CMD_READ_GREEN		0x07
+#define MIPID_CMD_READ_BLUE		0x08
+#define MIPID_CMD_READ_DISP_STATUS	0x09
+#define MIPID_CMD_RDDSDR		0x0F
+#define MIPID_CMD_SLEEP_IN		0x10
+#define MIPID_CMD_SLEEP_OUT		0x11
+#define MIPID_CMD_DISP_OFF		0x28
+#define MIPID_CMD_DISP_ON		0x29
+#define MIPID_CMD_WRITE_DISP_BRIGHTNESS	0x51
+#define MIPID_CMD_READ_DISP_BRIGHTNESS	0x52
+#define MIPID_CMD_WRITE_CTRL_DISP	0x53
+
+#define CTRL_DISP_BRIGHTNESS_CTRL_ON	(1 << 5)
+#define CTRL_DISP_AMBIENT_LIGHT_CTRL_ON	(1 << 4)
+#define CTRL_DISP_BACKLIGHT_ON		(1 << 2)
+#define CTRL_DISP_AUTO_BRIGHTNESS_ON	(1 << 1)
+
+#define MIPID_CMD_READ_CTRL_DISP	0x54
+#define MIPID_CMD_WRITE_CABC		0x55
+#define MIPID_CMD_READ_CABC		0x56
+
+#define MIPID_VER_LPH8923		3
+#define MIPID_VER_LS041Y3		4
+#define MIPID_VER_L4F00311		8
+#define MIPID_VER_ACX565AKM		9
+
+struct acx565akm_device {
+	char		*name;
+	int		enabled;
+	int		model;
+	int		revision;
+	u8		display_id[3];
+	unsigned	has_bc:1;
+	unsigned	has_cabc:1;
+	unsigned	cabc_mode;
+	unsigned long	hw_guard_end;		/* next value of jiffies
+						   when we can issue the
+						   next sleep in/out command */
+	unsigned long	hw_guard_wait;		/* max guard time in jiffies */
+
+	struct spi_device	*spi;
+	struct mutex		mutex;
+
+	struct omap_dss_device	*dssdev;
+	struct backlight_device *bl_dev;
+};
+
+static struct acx565akm_device acx_dev;
+static int acx565akm_bl_update_status(struct backlight_device *dev);
+
+/*--------------------MIPID interface-----------------------------*/
+
+static void acx565akm_transfer(struct acx565akm_device *md, int cmd,
+			      const u8 *wbuf, int wlen, u8 *rbuf, int rlen)
+{
+	struct spi_message	m;
+	struct spi_transfer	*x, xfer[5];
+	int			r;
+
+	BUG_ON(md->spi == NULL);
+
+	spi_message_init(&m);
+
+	memset(xfer, 0, sizeof(xfer));
+	x = &xfer[0];
+
+	cmd &=  0xff;
+	x->tx_buf = &cmd;
+	x->bits_per_word = 9;
+	x->len = 2;
+
+	if (rlen > 1 && wlen == 0) {
+		/*
+		 * Between the command and the response data there is a
+		 * dummy clock cycle. Add an extra bit after the command
+		 * word to account for this.
+		 */
+		x->bits_per_word = 10;
+		cmd <<= 1;
+	}
+	spi_message_add_tail(x, &m);
+
+	if (wlen) {
+		x++;
+		x->tx_buf = wbuf;
+		x->len = wlen;
+		x->bits_per_word = 9;
+		spi_message_add_tail(x, &m);
+	}
+
+	if (rlen) {
+		x++;
+		x->rx_buf	= rbuf;
+		x->len		= rlen;
+		spi_message_add_tail(x, &m);
+	}
+
+	r = spi_sync(md->spi, &m);
+	if (r < 0)
+		dev_dbg(&md->spi->dev, "spi_sync %d\n", r);
+}
+
+static inline void acx565akm_cmd(struct acx565akm_device *md, int cmd)
+{
+	acx565akm_transfer(md, cmd, NULL, 0, NULL, 0);
+}
+
+static inline void acx565akm_write(struct acx565akm_device *md,
+			       int reg, const u8 *buf, int len)
+{
+	acx565akm_transfer(md, reg, buf, len, NULL, 0);
+}
+
+static inline void acx565akm_read(struct acx565akm_device *md,
+			      int reg, u8 *buf, int len)
+{
+	acx565akm_transfer(md, reg, NULL, 0, buf, len);
+}
+
+static void hw_guard_start(struct acx565akm_device *md, int guard_msec)
+{
+	md->hw_guard_wait = msecs_to_jiffies(guard_msec);
+	md->hw_guard_end = jiffies + md->hw_guard_wait;
+}
+
+static void hw_guard_wait(struct acx565akm_device *md)
+{
+	unsigned long wait = md->hw_guard_end - jiffies;
+
+	if ((long)wait > 0 && wait <= md->hw_guard_wait) {
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_timeout(wait);
+	}
+}
+
+/*----------------------MIPID wrappers----------------------------*/
+
+static void set_sleep_mode(struct acx565akm_device *md, int on)
+{
+	int cmd;
+
+	if (on)
+		cmd = MIPID_CMD_SLEEP_IN;
+	else
+		cmd = MIPID_CMD_SLEEP_OUT;
+	/*
+	 * We have to keep 120msec between sleep in/out commands.
+	 * (8.2.15, 8.2.16).
+	 */
+	hw_guard_wait(md);
+	acx565akm_cmd(md, cmd);
+	hw_guard_start(md, 120);
+}
+
+static void set_display_state(struct acx565akm_device *md, int enabled)
+{
+	int cmd = enabled ? MIPID_CMD_DISP_ON : MIPID_CMD_DISP_OFF;
+
+	acx565akm_cmd(md, cmd);
+}
+
+static int panel_enabled(struct acx565akm_device *md)
+{
+	u32 disp_status;
+	int enabled;
+
+	acx565akm_read(md, MIPID_CMD_READ_DISP_STATUS, (u8 *)&disp_status, 4);
+	disp_status = __be32_to_cpu(disp_status);
+	enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
+	dev_dbg(&md->spi->dev,
+		"LCD panel %senabled by bootloader (status 0x%04x)\n",
+		enabled ? "" : "not ", disp_status);
+	return enabled;
+}
+
+static int panel_detect(struct acx565akm_device *md)
+{
+	acx565akm_read(md, MIPID_CMD_READ_DISP_ID, md->display_id, 3);
+	dev_dbg(&md->spi->dev, "MIPI display ID: %02x%02x%02x\n",
+		md->display_id[0], md->display_id[1], md->display_id[2]);
+
+	switch (md->display_id[0]) {
+	case 0x10:
+		md->model = MIPID_VER_ACX565AKM;
+		md->name = "acx565akm";
+		md->has_bc = 1;
+		md->has_cabc = 1;
+		break;
+	case 0x29:
+		md->model = MIPID_VER_L4F00311;
+		md->name = "l4f00311";
+		break;
+	case 0x45:
+		md->model = MIPID_VER_LPH8923;
+		md->name = "lph8923";
+		break;
+	case 0x83:
+		md->model = MIPID_VER_LS041Y3;
+		md->name = "ls041y3";
+		break;
+	default:
+		md->name = "unknown";
+		dev_err(&md->spi->dev, "invalid display ID\n");
+		return -ENODEV;
+	}
+
+	md->revision = md->display_id[1];
+
+	dev_info(&md->spi->dev, "omapfb: %s rev %02x LCD detected\n",
+			md->name, md->revision);
+
+	return 0;
+}
+
+/*----------------------Backlight Control-------------------------*/
+
+static void enable_backlight_ctrl(struct acx565akm_device *md, int enable)
+{
+	u16 ctrl;
+
+	acx565akm_read(md, MIPID_CMD_READ_CTRL_DISP, (u8 *)&ctrl, 1);
+	if (enable) {
+		ctrl |= CTRL_DISP_BRIGHTNESS_CTRL_ON |
+			CTRL_DISP_BACKLIGHT_ON;
+	} else {
+		ctrl &= ~(CTRL_DISP_BRIGHTNESS_CTRL_ON |
+			  CTRL_DISP_BACKLIGHT_ON);
+	}
+
+	ctrl |= 1 << 8;
+	acx565akm_write(md, MIPID_CMD_WRITE_CTRL_DISP, (u8 *)&ctrl, 2);
+}
+
+static void set_cabc_mode(struct acx565akm_device *md, unsigned mode)
+{
+	u16 cabc_ctrl;
+
+	md->cabc_mode = mode;
+	if (!md->enabled)
+		return;
+	cabc_ctrl = 0;
+	acx565akm_read(md, MIPID_CMD_READ_CABC, (u8 *)&cabc_ctrl, 1);
+	cabc_ctrl &= ~3;
+	cabc_ctrl |= (1 << 8) | (mode & 3);
+	acx565akm_write(md, MIPID_CMD_WRITE_CABC, (u8 *)&cabc_ctrl, 2);
+}
+
+static unsigned get_cabc_mode(struct acx565akm_device *md)
+{
+	return md->cabc_mode;
+}
+
+static unsigned get_hw_cabc_mode(struct acx565akm_device *md)
+{
+	u8 cabc_ctrl;
+
+	acx565akm_read(md, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
+	return cabc_ctrl & 3;
+}
+
+static void acx565akm_set_brightness(struct acx565akm_device *md, int level)
+{
+	int bv;
+
+	bv = level | (1 << 8);
+	acx565akm_write(md, MIPID_CMD_WRITE_DISP_BRIGHTNESS, (u8 *)&bv, 2);
+
+	if (level)
+		enable_backlight_ctrl(md, 1);
+	else
+		enable_backlight_ctrl(md, 0);
+}
+
+static int acx565akm_get_actual_brightness(struct acx565akm_device *md)
+{
+	u8 bv;
+
+	acx565akm_read(md, MIPID_CMD_READ_DISP_BRIGHTNESS, &bv, 1);
+
+	return bv;
+}
+
+
+static int acx565akm_bl_update_status(struct backlight_device *dev)
+{
+	struct acx565akm_device *md = dev_get_drvdata(&dev->dev);
+	int r;
+	int level;
+
+	dev_dbg(&md->spi->dev, "%s\n", __func__);
+
+	mutex_lock(&md->mutex);
+
+	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
+			dev->props.power == FB_BLANK_UNBLANK)
+		level = dev->props.brightness;
+	else
+		level = 0;
+
+	r = 0;
+	if (md->has_bc)
+		acx565akm_set_brightness(md, level);
+	else if (md->dssdev->set_backlight)
+		r = md->dssdev->set_backlight(md->dssdev, level);
+	else
+		r = -ENODEV;
+
+	mutex_unlock(&md->mutex);
+
+	return r;
+}
+
+static int acx565akm_bl_get_intensity(struct backlight_device *dev)
+{
+	struct acx565akm_device *md = dev_get_drvdata(&dev->dev);
+
+	dev_dbg(&dev->dev, "%s\n", __func__);
+
+	if (!md->has_bc && md->dssdev->set_backlight == NULL)
+		return -ENODEV;
+
+	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
+			dev->props.power == FB_BLANK_UNBLANK) {
+		if (md->has_bc)
+			return acx565akm_get_actual_brightness(md);
+		else
+			return dev->props.brightness;
+	}
+
+	return 0;
+}
+
+static const struct backlight_ops acx565akm_bl_ops = {
+	.get_brightness = acx565akm_bl_get_intensity,
+	.update_status  = acx565akm_bl_update_status,
+};
+
+/*--------------------Auto Brightness control via Sysfs---------------------*/
+
+static const char *cabc_modes[] = {
+	"off",		/* always used when CABC is not supported */
+	"ui",
+	"still-image",
+	"moving-image",
+};
+
+static ssize_t show_cabc_mode(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct acx565akm_device *md = dev_get_drvdata(dev);
+	const char *mode_str;
+	int mode;
+	int len;
+
+	if (!md->has_cabc)
+		mode = 0;
+	else
+		mode = get_cabc_mode(md);
+	mode_str = "unknown";
+	if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
+		mode_str = cabc_modes[mode];
+	len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
+
+	return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
+}
+
+static ssize_t store_cabc_mode(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct acx565akm_device *md = dev_get_drvdata(dev);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
+		const char *mode_str = cabc_modes[i];
+		int cmp_len = strlen(mode_str);
+
+		if (count > 0 && buf[count - 1] == '\n')
+			count--;
+		if (count != cmp_len)
+			continue;
+
+		if (strncmp(buf, mode_str, cmp_len) == 0)
+			break;
+	}
+
+	if (i == ARRAY_SIZE(cabc_modes))
+		return -EINVAL;
+
+	if (!md->has_cabc && i != 0)
+		return -EINVAL;
+
+	mutex_lock(&md->mutex);
+	set_cabc_mode(md, i);
+	mutex_unlock(&md->mutex);
+
+	return count;
+}
+
+static ssize_t show_cabc_available_modes(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct acx565akm_device *md = dev_get_drvdata(dev);
+	int len;
+	int i;
+
+	if (!md->has_cabc)
+		return snprintf(buf, PAGE_SIZE, "%s\n", cabc_modes[0]);
+
+	for (i = 0, len = 0;
+	     len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
+		len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
+			i ? " " : "", cabc_modes[i],
+			i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
+
+	return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
+}
+
+static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
+		show_cabc_mode, store_cabc_mode);
+static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
+		show_cabc_available_modes, NULL);
+
+static struct attribute *bldev_attrs[] = {
+	&dev_attr_cabc_mode.attr,
+	&dev_attr_cabc_available_modes.attr,
+	NULL,
+};
+
+static struct attribute_group bldev_attr_group = {
+	.attrs = bldev_attrs,
+};
+
+
+/*---------------------------ACX Panel----------------------------*/
+
+static int acx_get_recommended_bpp(struct omap_dss_device *dssdev)
+{
+	return 16;
+}
+
+static struct omap_video_timings acx_panel_timings = {
+	.x_res		= 800,
+	.y_res		= 480,
+	.pixel_clock	= 24000,
+	.hfp		= 28,
+	.hsw		= 4,
+	.hbp		= 24,
+	.vfp		= 3,
+	.vsw		= 3,
+	.vbp		= 4,
+};
+
+static int acx_panel_probe(struct omap_dss_device *dssdev)
+{
+	int r;
+	struct acx565akm_device *md = &acx_dev;
+	struct backlight_device *bldev;
+	int max_brightness, brightness;
+	struct backlight_properties props;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					OMAP_DSS_LCD_IHS;
+	/* FIXME AC bias ? */
+	dssdev->panel.timings = acx_panel_timings;
+
+	if (dssdev->platform_enable)
+		dssdev->platform_enable(dssdev);
+	/*
+	 * After reset we have to wait 5 msec before the first
+	 * command can be sent.
+	 */
+	msleep(5);
+
+	md->enabled = panel_enabled(md);
+
+	r = panel_detect(md);
+	if (r) {
+		dev_err(&dssdev->dev, "%s panel detect error\n", __func__);
+		if (!md->enabled && dssdev->platform_disable)
+			dssdev->platform_disable(dssdev);
+		return r;
+	}
+
+	mutex_lock(&acx_dev.mutex);
+	acx_dev.dssdev = dssdev;
+	mutex_unlock(&acx_dev.mutex);
+
+	if (!md->enabled) {
+		if (dssdev->platform_disable)
+			dssdev->platform_disable(dssdev);
+	}
+
+	/*------- Backlight control --------*/
+
+	props.fb_blank = FB_BLANK_UNBLANK;
+	props.power = FB_BLANK_UNBLANK;
+
+	bldev = backlight_device_register("acx565akm", &md->spi->dev,
+			md, &acx565akm_bl_ops, &props);
+	md->bl_dev = bldev;
+	if (md->has_cabc) {
+		r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
+		if (r) {
+			dev_err(&bldev->dev,
+				"%s failed to create sysfs files\n", __func__);
+			backlight_device_unregister(bldev);
+			return r;
+		}
+		md->cabc_mode = get_hw_cabc_mode(md);
+	}
+
+	if (md->has_bc)
+		max_brightness = 255;
+	else
+		max_brightness = dssdev->max_backlight_level;
+
+	if (md->has_bc)
+		brightness = acx565akm_get_actual_brightness(md);
+	else if (dssdev->get_backlight)
+		brightness = dssdev->get_backlight(dssdev);
+	else
+		brightness = 0;
+
+	bldev->props.max_brightness = max_brightness;
+	bldev->props.brightness = brightness;
+
+	acx565akm_bl_update_status(bldev);
+	return 0;
+}
+
+static void acx_panel_remove(struct omap_dss_device *dssdev)
+{
+	struct acx565akm_device *md = &acx_dev;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	sysfs_remove_group(&md->bl_dev->dev.kobj, &bldev_attr_group);
+	backlight_device_unregister(md->bl_dev);
+	mutex_lock(&acx_dev.mutex);
+	acx_dev.dssdev = NULL;
+	mutex_unlock(&acx_dev.mutex);
+}
+
+static int acx_panel_power_on(struct omap_dss_device *dssdev)
+{
+	struct acx565akm_device *md = &acx_dev;
+	int r;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+
+	mutex_lock(&md->mutex);
+
+	r = omapdss_sdi_display_enable(dssdev);
+	if (r) {
+		pr_err("%s sdi enable failed\n", __func__);
+		return r;
+	}
+
+	/*FIXME tweak me */
+	msleep(50);
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto fail;
+	}
+
+	if (md->enabled) {
+		dev_dbg(&md->spi->dev, "panel already enabled\n");
+		mutex_unlock(&md->mutex);
+		return 0;
+	}
+
+	/*
+	 * We have to meet all the following delay requirements:
+	 * 1. tRW: reset pulse width 10usec (7.12.1)
+	 * 2. tRT: reset cancel time 5msec (7.12.1)
+	 * 3. Providing PCLK,HS,VS signals for 2 frames = ~50msec worst
+	 *    case (7.6.2)
+	 * 4. 120msec before the sleep out command (7.12.1)
+	 */
+	msleep(120);
+
+	set_sleep_mode(md, 0);
+	md->enabled = 1;
+
+	/* 5msec between sleep out and the next command. (8.2.16) */
+	msleep(5);
+	set_display_state(md, 1);
+	set_cabc_mode(md, md->cabc_mode);
+
+	mutex_unlock(&md->mutex);
+
+	return acx565akm_bl_update_status(md->bl_dev);
+fail:
+	omapdss_sdi_display_disable(dssdev);
+	return r;
+}
+
+static void acx_panel_power_off(struct omap_dss_device *dssdev)
+{
+	struct acx565akm_device *md = &acx_dev;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+
+	mutex_lock(&md->mutex);
+
+	if (!md->enabled) {
+		mutex_unlock(&md->mutex);
+		return;
+	}
+	set_display_state(md, 0);
+	set_sleep_mode(md, 1);
+	md->enabled = 0;
+	/*
+	 * We have to provide PCLK,HS,VS signals for 2 frames (worst case
+	 * ~50msec) after sending the sleep in command and asserting the
+	 * reset signal. We probably could assert the reset w/o the delay
+	 * but we still delay to avoid possible artifacts. (7.6.1)
+	 */
+	msleep(50);
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	/* FIXME need to tweak this delay */
+	msleep(100);
+
+	omapdss_sdi_display_disable(dssdev);
+
+	mutex_unlock(&md->mutex);
+}
+
+static int acx_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	r = acx_panel_power_on(dssdev);
+
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return 0;
+}
+
+static void acx_panel_disable(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	acx_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int acx_panel_suspend(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	acx_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+	return 0;
+}
+
+static int acx_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	r = acx_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return 0;
+}
+
+static void acx_panel_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	int r;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		omapdss_sdi_display_disable(dssdev);
+
+	dssdev->panel.timings = *timings;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+		r = omapdss_sdi_display_enable(dssdev);
+		if (r)
+			dev_err(&dssdev->dev, "%s enable failed\n", __func__);
+	}
+}
+
+static void acx_panel_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+
+static int acx_panel_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	return 0;
+}
+
+
+static struct omap_dss_driver acx_panel_driver = {
+	.probe		= acx_panel_probe,
+	.remove		= acx_panel_remove,
+
+	.enable		= acx_panel_enable,
+	.disable	= acx_panel_disable,
+	.suspend	= acx_panel_suspend,
+	.resume		= acx_panel_resume,
+
+	.set_timings	= acx_panel_set_timings,
+	.get_timings	= acx_panel_get_timings,
+	.check_timings	= acx_panel_check_timings,
+
+	.get_recommended_bpp = acx_get_recommended_bpp,
+
+	.driver         = {
+		.name   = "panel-acx565akm",
+		.owner  = THIS_MODULE,
+	},
+};
+
+/*--------------------SPI probe-------------------------*/
+
+static int acx565akm_spi_probe(struct spi_device *spi)
+{
+	struct acx565akm_device *md = &acx_dev;
+
+	dev_dbg(&spi->dev, "%s\n", __func__);
+
+	spi->mode = SPI_MODE_3;
+	md->spi = spi;
+	mutex_init(&md->mutex);
+	dev_set_drvdata(&spi->dev, md);
+
+	omap_dss_register_driver(&acx_panel_driver);
+
+	return 0;
+}
+
+static int acx565akm_spi_remove(struct spi_device *spi)
+{
+	struct acx565akm_device *md = dev_get_drvdata(&spi->dev);
+
+	dev_dbg(&md->spi->dev, "%s\n", __func__);
+	omap_dss_unregister_driver(&acx_panel_driver);
+
+	return 0;
+}
+
+static struct spi_driver acx565akm_spi_driver = {
+	.driver = {
+		.name	= "acx565akm",
+		.bus	= &spi_bus_type,
+		.owner	= THIS_MODULE,
+	},
+	.probe	= acx565akm_spi_probe,
+	.remove	= __devexit_p(acx565akm_spi_remove),
+};
+
+static int __init acx565akm_init(void)
+{
+	return spi_register_driver(&acx565akm_spi_driver);
+}
+
+static void __exit acx565akm_exit(void)
+{
+	spi_unregister_driver(&acx565akm_spi_driver);
+}
+
+module_init(acx565akm_init);
+module_exit(acx565akm_exit);
+
+MODULE_AUTHOR("Nokia Corporation");
+MODULE_DESCRIPTION("acx565akm LCD Driver");
+MODULE_LICENSE("GPL");

From 2c59ff5501e5a37d36f232e757c961ced12eb99f Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Tue, 23 Mar 2010 11:22:05 +0200
Subject: [PATCH 1996/3638] OMAP: RX51: Update board defconfig

Add LCD, Boot-up logo, framebuffer console, Keypad
and Power button support

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 arch/arm/configs/rx51_defconfig | 39 ++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/rx51_defconfig b/arch/arm/configs/rx51_defconfig
index 473f9e13f08..56d4928cd4c 100644
--- a/arch/arm/configs/rx51_defconfig
+++ b/arch/arm/configs/rx51_defconfig
@@ -784,6 +784,7 @@ CONFIG_INPUT_KEYBOARD=y
 # CONFIG_KEYBOARD_NEWTON is not set
 # CONFIG_KEYBOARD_STOWAWAY is not set
 CONFIG_KEYBOARD_GPIO=m
+CONFIG_KEYBOARD_TWL4030=y
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
@@ -809,6 +810,7 @@ CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_POWERMATE is not set
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_CM109 is not set
+CONFIG_INPUT_TWL4030_PWRBUTTON=y
 CONFIG_INPUT_UINPUT=m
 
 #
@@ -1110,7 +1112,40 @@ CONFIG_RADIO_ADAPTERS=y
 #
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
-# CONFIG_FB is not set
+CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+
+# Frame buffer hardware drivers
+#
+CONFIG_OMAP2_VRAM=y
+CONFIG_OMAP2_VRFB=y
+CONFIG_OMAP2_DSS=y
+CONFIG_OMAP2_VRAM_SIZE=0
+# CONFIG_OMAP2_DSS_DEBUG_SUPPORT is not set
+# CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS is not set
+# CONFIG_OMAP2_DSS_DPI is not set
+# CONFIG_OMAP2_DSS_RFBI is not set
+# CONFIG_OMAP2_DSS_VENC is not set
+CONFIG_OMAP2_DSS_SDI=y
+# CONFIG_OMAP2_DSS_DSI is not set
+# CONFIG_OMAP2_DSS_FAKE_VSYNC is not set
+CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=0
+CONFIG_FB_OMAP2=y
+CONFIG_FB_OMAP2_DEBUG_SUPPORT=y
+CONFIG_FB_OMAP2_NUM_FBS=3
+
+#
+# OMAP2/3 Display Device Drivers
+#
+# CONFIG_PANEL_GENERIC is not set
+# CONFIG_PANEL_SHARP_LS037V7DW01 is not set
+# CONFIG_PANEL_SHARP_LQ043T1DG01 is not set
+# CONFIG_PANEL_TOPPOLY_TDO35S is not set
+# CONFIG_PANEL_TPO_TD043MTEA1 is not set
+CONFIG_PANEL_ACX565AKM=y
+
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -1127,6 +1162,8 @@ CONFIG_DISPLAY_SUPPORT=y
 #
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_LOGO=y
 CONFIG_SOUND=y
 # CONFIG_SOUND_OSS_CORE is not set
 CONFIG_SND=y

From ac01bb7ea06a02c8dc9084b4ed59cb59efeceb39 Mon Sep 17 00:00:00 2001
From: Kishore Y <kishore.y@ti.com>
Date: Sun, 25 Apr 2010 16:27:19 +0530
Subject: [PATCH 1997/3638] OMAP3630: DSS2: Updating MAX divider value

In DPLL4 M3, M4, M5 and M6 field width has been increased by 1 bit in 3630.
So the max divider value that can be achived will be 32 and not 16.
In 3630 the functional clock is x1 of DPLL4 and not x2. Hence multiplier 2
is removed.

Signed-off-by: Sudeep Basavaraj <sudeep.basavaraj@ti.com>
Signed-off-by: Mukund Mittal <mmittal@ti.com>
Signed-off-by: Kishore Y <kishore.y@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/dss.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 54344184dd7..24b18258654 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -223,7 +223,13 @@ void dss_dump_clocks(struct seq_file *s)
 
 	seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate);
 
-	seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n",
+	if (cpu_is_omap3630())
+		seq_printf(s, "dss1_alwon_fclk = %lu / %lu  = %lu\n",
+			dpll4_ck_rate,
+			dpll4_ck_rate / dpll4_m4_ck_rate,
+			dss_clk_get_rate(DSS_CLK_FCK1));
+	else
+		seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n",
 			dpll4_ck_rate,
 			dpll4_ck_rate / dpll4_m4_ck_rate,
 			dss_clk_get_rate(DSS_CLK_FCK1));
@@ -293,7 +299,8 @@ int dss_calc_clock_rates(struct dss_clock_info *cinfo)
 {
 	unsigned long prate;
 
-	if (cinfo->fck_div > 16 || cinfo->fck_div == 0)
+	if (cinfo->fck_div > (cpu_is_omap3630() ? 32 : 16) ||
+						cinfo->fck_div == 0)
 		return -EINVAL;
 
 	prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
@@ -329,7 +336,10 @@ int dss_get_clock_div(struct dss_clock_info *cinfo)
 	if (cpu_is_omap34xx()) {
 		unsigned long prate;
 		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
-		cinfo->fck_div = prate / (cinfo->fck / 2);
+		if (cpu_is_omap3630())
+			cinfo->fck_div = prate / (cinfo->fck);
+		else
+			cinfo->fck_div = prate / (cinfo->fck / 2);
 	} else {
 		cinfo->fck_div = 0;
 	}
@@ -402,10 +412,14 @@ retry:
 
 		goto found;
 	} else if (cpu_is_omap34xx()) {
-		for (fck_div = 16; fck_div > 0; --fck_div) {
+		for (fck_div = (cpu_is_omap3630() ? 32 : 16);
+					fck_div > 0; --fck_div) {
 			struct dispc_clock_info cur_dispc;
 
-			fck = prate / fck_div * 2;
+			if (cpu_is_omap3630())
+				fck = prate / fck_div;
+			else
+				fck = prate / fck_div * 2;
 
 			if (fck > DISPC_MAX_FCK)
 				continue;

From a3bb67a75c0fe5c48def0fd39d2fe9ec043241d4 Mon Sep 17 00:00:00 2001
From: Carlos Lopez <carlos.cruz@sasken.com>
Date: Sun, 25 Apr 2010 12:53:35 +0200
Subject: [PATCH 1998/3638] OMAP2: DSS: Add missing line for update bg color

The driver set the background color canvas but never writes it in
DISPC_DEFAULT_COLOR_m register, which changes the background color
on the LCD or TV.

This patch adds a line to call to dispc_set_default_color() which is
the function in charge to write the DISPC_DEFAULT_COLOR_m register.

Signed-off-by: Carlos Lopez <carlos.cruz@sasken.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/manager.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 32ec2ff2e9c..9e1fbe531bf 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -843,6 +843,7 @@ static void configure_manager(enum omap_channel channel)
 
 	c = &dss_cache.manager_cache[channel];
 
+	dispc_set_default_color(channel, c->default_color);
 	dispc_set_trans_key(channel, c->trans_key_type, c->trans_key);
 	dispc_enable_trans_key(channel, c->trans_enabled);
 	dispc_enable_alpha_blending(channel, c->alpha_enabled);

From 044d32ffbcb4a1d400088e3575508f46c0a9face Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen.kooi@gmail.com>
Date: Thu, 22 Apr 2010 10:23:42 +0200
Subject: [PATCH 1999/3638] board-omap3-beagle: add DSS2 support

This patch adds DSS2 support to the beagleboard boardfile. DVI and
TV-out are supported.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 arch/arm/mach-omap2/board-omap3beagle.c | 101 ++++++++++++++++++------
 1 file changed, 75 insertions(+), 26 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 962d377970e..69b154cdc75 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -39,6 +39,7 @@
 
 #include <plat/board.h>
 #include <plat/common.h>
+#include <plat/display.h>
 #include <plat/gpmc.h>
 #include <plat/nand.h>
 #include <plat/usb.h>
@@ -106,6 +107,77 @@ static struct platform_device omap3beagle_nand_device = {
 	.resource	= &omap3beagle_nand_resource,
 };
 
+/* DSS */
+
+static int beagle_enable_dvi(struct omap_dss_device *dssdev)
+{
+	if (gpio_is_valid(dssdev->reset_gpio))
+		gpio_set_value(dssdev->reset_gpio, 1);
+
+	return 0;
+}
+
+static void beagle_disable_dvi(struct omap_dss_device *dssdev)
+{
+	if (gpio_is_valid(dssdev->reset_gpio))
+		gpio_set_value(dssdev->reset_gpio, 0);
+}
+
+static struct omap_dss_device beagle_dvi_device = {
+	.type = OMAP_DISPLAY_TYPE_DPI,
+	.name = "dvi",
+	.driver_name = "generic_panel",
+	.phy.dpi.data_lines = 24,
+	.reset_gpio = 170,
+	.platform_enable = beagle_enable_dvi,
+	.platform_disable = beagle_disable_dvi,
+};
+
+static struct omap_dss_device beagle_tv_device = {
+	.name = "tv",
+	.driver_name = "venc",
+	.type = OMAP_DISPLAY_TYPE_VENC,
+	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
+};
+
+static struct omap_dss_device *beagle_dss_devices[] = {
+	&beagle_dvi_device,
+	&beagle_tv_device,
+};
+
+static struct omap_dss_board_info beagle_dss_data = {
+	.num_devices = ARRAY_SIZE(beagle_dss_devices),
+	.devices = beagle_dss_devices,
+	.default_device = &beagle_dvi_device,
+};
+
+static struct platform_device beagle_dss_device = {
+	.name          = "omapdss",
+	.id            = -1,
+	.dev            = {
+		.platform_data = &beagle_dss_data,
+	},
+};
+
+static struct regulator_consumer_supply beagle_vdac_supply =
+	REGULATOR_SUPPLY("vdda_dac", "omapdss");
+
+static struct regulator_consumer_supply beagle_vdvi_supply =
+	REGULATOR_SUPPLY("vdds_dsi", "omapdss");
+
+static void __init beagle_display_init(void)
+{
+	int r;
+
+	r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
+	if (r < 0) {
+		printk(KERN_ERR "Unable to get DVI reset GPIO\n");
+		return;
+	}
+
+	gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
+}
+
 #include "sdram-micron-mt46h32m32lf-6.h"
 
 static struct omap2_hsmmc_info mmc[] = {
@@ -117,15 +189,6 @@ static struct omap2_hsmmc_info mmc[] = {
 	{}	/* Terminator */
 };
 
-static struct platform_device omap3_beagle_lcd_device = {
-	.name		= "omap3beagle_lcd",
-	.id		= -1,
-};
-
-static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
-	.ctrl_name	= "internal",
-};
-
 static struct regulator_consumer_supply beagle_vmmc1_supply = {
 	.supply			= "vmmc",
 };
@@ -181,16 +244,6 @@ static struct twl4030_gpio_platform_data beagle_gpio_data = {
 	.setup		= beagle_twl_gpio_setup,
 };
 
-static struct regulator_consumer_supply beagle_vdac_supply = {
-	.supply		= "vdac",
-	.dev		= &omap3_beagle_lcd_device.dev,
-};
-
-static struct regulator_consumer_supply beagle_vdvi_supply = {
-	.supply		= "vdvi",
-	.dev		= &omap3_beagle_lcd_device.dev,
-};
-
 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 static struct regulator_init_data beagle_vmmc1 = {
 	.constraints = {
@@ -349,14 +402,8 @@ static struct platform_device keys_gpio = {
 	},
 };
 
-static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
-	{ OMAP_TAG_LCD,		&omap3_beagle_lcd_config },
-};
-
 static void __init omap3_beagle_init_irq(void)
 {
-	omap_board_config = omap3_beagle_config;
-	omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
 	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
 			     mt46h32m32lf6_sdrc_params);
 	omap_init_irq();
@@ -367,9 +414,9 @@ static void __init omap3_beagle_init_irq(void)
 }
 
 static struct platform_device *omap3_beagle_devices[] __initdata = {
-	&omap3_beagle_lcd_device,
 	&leds_gpio,
 	&keys_gpio,
+	&beagle_dss_device,
 };
 
 static void __init omap3beagle_flash_init(void)
@@ -456,6 +503,8 @@ static void __init omap3_beagle_init(void)
 	/* Ensure SDRC pins are mux'd for self-refresh */
 	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
+
+	beagle_display_init();
 }
 
 static void __init omap3_beagle_map_io(void)

From 368a148ea3833b540945fa53a63227c8ce76aa8f Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Fri, 7 May 2010 11:58:41 +0200
Subject: [PATCH 2000/3638] OMAP: DSS2: omap_dss_probe() conditional
 compilation cleanup

Move a number of #ifdefs from code into dss.h and elsewhere, and
conditionally define no-op static inline functions, cleaning up the
code. This style is according to Documentation/SubmittingPatches.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/core.c | 35 ++++++++----------------
 drivers/video/omap2/dss/dss.h  | 50 ++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+), 24 deletions(-)

diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 6d54467e5e2..92ee06742ec 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -482,6 +482,14 @@ static void dss_uninitialize_debugfs(void)
 	if (dss_debugfs_dir)
 		debugfs_remove_recursive(dss_debugfs_dir);
 }
+#else /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
+static inline int dss_initialize_debugfs(void)
+{
+	return 0;
+}
+static inline void dss_uninitialize_debugfs(void)
+{
+}
 #endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
 
 /* PLATFORM DEVICE */
@@ -518,56 +526,47 @@ static int omap_dss_probe(struct platform_device *pdev)
 		goto fail0;
 	}
 
-#ifdef CONFIG_OMAP2_DSS_RFBI
 	r = rfbi_init();
 	if (r) {
 		DSSERR("Failed to initialize rfbi\n");
 		goto fail0;
 	}
-#endif
 
-#ifdef CONFIG_OMAP2_DSS_DPI
 	r = dpi_init(pdev);
 	if (r) {
 		DSSERR("Failed to initialize dpi\n");
 		goto fail0;
 	}
-#endif
 
 	r = dispc_init();
 	if (r) {
 		DSSERR("Failed to initialize dispc\n");
 		goto fail0;
 	}
-#ifdef CONFIG_OMAP2_DSS_VENC
+
 	r = venc_init(pdev);
 	if (r) {
 		DSSERR("Failed to initialize venc\n");
 		goto fail0;
 	}
-#endif
+
 	if (cpu_is_omap34xx()) {
-#ifdef CONFIG_OMAP2_DSS_SDI
 		r = sdi_init(skip_init);
 		if (r) {
 			DSSERR("Failed to initialize SDI\n");
 			goto fail0;
 		}
-#endif
-#ifdef CONFIG_OMAP2_DSS_DSI
+
 		r = dsi_init(pdev);
 		if (r) {
 			DSSERR("Failed to initialize DSI\n");
 			goto fail0;
 		}
-#endif
 	}
 
-#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
 	r = dss_initialize_debugfs();
 	if (r)
 		goto fail0;
-#endif
 
 	for (i = 0; i < pdata->num_devices; ++i) {
 		struct omap_dss_device *dssdev = pdata->devices[i];
@@ -595,27 +594,15 @@ static int omap_dss_remove(struct platform_device *pdev)
 	int i;
 	int c;
 
-#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
 	dss_uninitialize_debugfs();
-#endif
 
-#ifdef CONFIG_OMAP2_DSS_VENC
 	venc_exit();
-#endif
 	dispc_exit();
-#ifdef CONFIG_OMAP2_DSS_DPI
 	dpi_exit();
-#endif
-#ifdef CONFIG_OMAP2_DSS_RFBI
 	rfbi_exit();
-#endif
 	if (cpu_is_omap34xx()) {
-#ifdef CONFIG_OMAP2_DSS_DSI
 		dsi_exit();
-#endif
-#ifdef CONFIG_OMAP2_DSS_SDI
 		sdi_exit();
-#endif
 	}
 
 	dss_exit();
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 24326a5fd29..786f433fd57 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -242,11 +242,22 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck,
 		struct dispc_clock_info *dispc_cinfo);
 
 /* SDI */
+#ifdef CONFIG_OMAP2_DSS_SDI
 int sdi_init(bool skip_init);
 void sdi_exit(void);
 int sdi_init_display(struct omap_dss_device *display);
+#else
+static inline int sdi_init(bool skip_init)
+{
+	return 0;
+}
+static inline void sdi_exit(void)
+{
+}
+#endif
 
 /* DSI */
+#ifdef CONFIG_OMAP2_DSS_DSI
 int dsi_init(struct platform_device *pdev);
 void dsi_exit(void);
 
@@ -270,11 +281,30 @@ void dsi_pll_uninit(void);
 void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
 		u32 fifo_size, enum omap_burst_size *burst_size,
 		u32 *fifo_low, u32 *fifo_high);
+#else
+static inline int dsi_init(struct platform_device *pdev)
+{
+	return 0;
+}
+static inline void dsi_exit(void)
+{
+}
+#endif
 
 /* DPI */
+#ifdef CONFIG_OMAP2_DSS_DPI
 int dpi_init(struct platform_device *pdev);
 void dpi_exit(void);
 int dpi_init_display(struct omap_dss_device *dssdev);
+#else
+static inline int dpi_init(struct platform_device *pdev)
+{
+	return 0;
+}
+static inline void dpi_exit(void)
+{
+}
+#endif
 
 /* DISPC */
 int dispc_init(void);
@@ -362,12 +392,23 @@ int dispc_get_clock_div(struct dispc_clock_info *cinfo);
 
 
 /* VENC */
+#ifdef CONFIG_OMAP2_DSS_VENC
 int venc_init(struct platform_device *pdev);
 void venc_exit(void);
 void venc_dump_regs(struct seq_file *s);
 int venc_init_display(struct omap_dss_device *display);
+#else
+static inline int venc_init(struct platform_device *pdev)
+{
+	return 0;
+}
+static inline void venc_exit(void)
+{
+}
+#endif
 
 /* RFBI */
+#ifdef CONFIG_OMAP2_DSS_RFBI
 int rfbi_init(void);
 void rfbi_exit(void);
 void rfbi_dump_regs(struct seq_file *s);
@@ -379,6 +420,15 @@ void rfbi_transfer_area(u16 width, u16 height,
 void rfbi_set_timings(int rfbi_module, struct rfbi_timings *t);
 unsigned long rfbi_get_max_tx_rate(void);
 int rfbi_init_display(struct omap_dss_device *display);
+#else
+static inline int rfbi_init(void)
+{
+	return 0;
+}
+static inline void rfbi_exit(void)
+{
+}
+#endif
 
 
 #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS

From fce064cbda85dda330150e8d4d9f6db1a3300023 Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Fri, 7 May 2010 11:58:42 +0200
Subject: [PATCH 2001/3638] OMAP: DSS2: Fix omap_dss_probe() error path

Perform graceful cleanup on errors instead of just bailing out.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 drivers/video/omap2/dss/core.c | 54 ++++++++++++++++++++++++++--------
 1 file changed, 41 insertions(+), 13 deletions(-)

diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 92ee06742ec..b3a498f22d3 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -507,7 +507,7 @@ static int omap_dss_probe(struct platform_device *pdev)
 
 	r = dss_get_clocks();
 	if (r)
-		goto fail0;
+		goto err_clocks;
 
 	dss_clk_enable_all_no_ctx();
 
@@ -523,57 +523,64 @@ static int omap_dss_probe(struct platform_device *pdev)
 	r = dss_init(skip_init);
 	if (r) {
 		DSSERR("Failed to initialize DSS\n");
-		goto fail0;
+		goto err_dss;
 	}
 
 	r = rfbi_init();
 	if (r) {
 		DSSERR("Failed to initialize rfbi\n");
-		goto fail0;
+		goto err_rfbi;
 	}
 
 	r = dpi_init(pdev);
 	if (r) {
 		DSSERR("Failed to initialize dpi\n");
-		goto fail0;
+		goto err_dpi;
 	}
 
 	r = dispc_init();
 	if (r) {
 		DSSERR("Failed to initialize dispc\n");
-		goto fail0;
+		goto err_dispc;
 	}
 
 	r = venc_init(pdev);
 	if (r) {
 		DSSERR("Failed to initialize venc\n");
-		goto fail0;
+		goto err_venc;
 	}
 
 	if (cpu_is_omap34xx()) {
 		r = sdi_init(skip_init);
 		if (r) {
 			DSSERR("Failed to initialize SDI\n");
-			goto fail0;
+			goto err_sdi;
 		}
 
 		r = dsi_init(pdev);
 		if (r) {
 			DSSERR("Failed to initialize DSI\n");
-			goto fail0;
+			goto err_dsi;
 		}
 	}
 
 	r = dss_initialize_debugfs();
 	if (r)
-		goto fail0;
+		goto err_debugfs;
 
 	for (i = 0; i < pdata->num_devices; ++i) {
 		struct omap_dss_device *dssdev = pdata->devices[i];
 
 		r = omap_dss_register_device(dssdev);
-		if (r)
-			DSSERR("device reg failed %d\n", i);
+		if (r) {
+			DSSERR("device %d %s register failed %d\n", i,
+				dssdev->name ?: "unnamed", r);
+
+			while (--i >= 0)
+				omap_dss_unregister_device(pdata->devices[i]);
+
+			goto err_register;
+		}
 
 		if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0)
 			pdata->default_device = dssdev;
@@ -583,8 +590,29 @@ static int omap_dss_probe(struct platform_device *pdev)
 
 	return 0;
 
-	/* XXX fail correctly */
-fail0:
+err_register:
+	dss_uninitialize_debugfs();
+err_debugfs:
+	if (cpu_is_omap34xx())
+		dsi_exit();
+err_dsi:
+	if (cpu_is_omap34xx())
+		sdi_exit();
+err_sdi:
+	venc_exit();
+err_venc:
+	dispc_exit();
+err_dispc:
+	dpi_exit();
+err_dpi:
+	rfbi_exit();
+err_rfbi:
+	dss_exit();
+err_dss:
+	dss_clk_disable_all_no_ctx();
+	dss_put_clocks();
+err_clocks:
+
 	return r;
 }
 

From a1e50fd4452b2ed57376ece465a17276b59fad9c Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <cbouatmailru@gmail.com>
Date: Mon, 17 May 2010 23:46:45 +0400
Subject: [PATCH 2002/3638] power_supply: Add test_power driver

Just a handy driver that is used for testing purposes.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/Kconfig      |   5 ++
 drivers/power/Makefile     |   1 +
 drivers/power/test_power.c | 163 +++++++++++++++++++++++++++++++++++++
 3 files changed, 169 insertions(+)
 create mode 100644 drivers/power/test_power.c

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index c59bcb7c6eb..8e9ba177d81 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -57,6 +57,11 @@ config WM8350_POWER
           Say Y here to enable support for the power management unit
 	  provided by the Wolfson Microelectronics WM8350 PMIC.
 
+config TEST_POWER
+	tristate "Test power driver"
+	help
+	  This driver is used for testing. It's safe to say M here.
+
 config BATTERY_DS2760
 	tristate "DS2760 battery driver (HP iPAQ & others)"
 	select W1
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index a82f292e5c9..00050809a6c 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_MAX8925_POWER)	+= max8925_power.o
 obj-$(CONFIG_WM831X_BACKUP)	+= wm831x_backup.o
 obj-$(CONFIG_WM831X_POWER)	+= wm831x_power.o
 obj-$(CONFIG_WM8350_POWER)	+= wm8350_power.o
+obj-$(CONFIG_TEST_POWER)	+= test_power.o
 
 obj-$(CONFIG_BATTERY_DS2760)	+= ds2760_battery.o
 obj-$(CONFIG_BATTERY_DS2782)	+= ds2782_battery.o
diff --git a/drivers/power/test_power.c b/drivers/power/test_power.c
new file mode 100644
index 00000000000..0cd9f67d33e
--- /dev/null
+++ b/drivers/power/test_power.c
@@ -0,0 +1,163 @@
+/*
+ * Power supply driver for testing.
+ *
+ * Copyright 2010  Anton Vorontsov <cbouatmailru@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/power_supply.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/vermagic.h>
+
+static int test_power_ac_online = 1;
+static int test_power_battery_status = POWER_SUPPLY_STATUS_CHARGING;
+
+static int test_power_get_ac_property(struct power_supply *psy,
+				      enum power_supply_property psp,
+				      union power_supply_propval *val)
+{
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = test_power_ac_online;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int test_power_get_battery_property(struct power_supply *psy,
+					   enum power_supply_property psp,
+					   union power_supply_propval *val)
+{
+	switch (psp) {
+	case POWER_SUPPLY_PROP_MODEL_NAME:
+		val->strval = "Test battery";
+		break;
+	case POWER_SUPPLY_PROP_MANUFACTURER:
+		val->strval = "Linux";
+		break;
+	case POWER_SUPPLY_PROP_SERIAL_NUMBER:
+		val->strval = UTS_RELEASE;
+		break;
+	case POWER_SUPPLY_PROP_STATUS:
+		val->intval = test_power_battery_status;
+		break;
+	case POWER_SUPPLY_PROP_CHARGE_TYPE:
+		val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
+		break;
+	case POWER_SUPPLY_PROP_HEALTH:
+		val->intval = POWER_SUPPLY_HEALTH_GOOD;
+		break;
+	case POWER_SUPPLY_PROP_TECHNOLOGY:
+		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
+		break;
+	case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
+		val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
+		break;
+	case POWER_SUPPLY_PROP_CAPACITY:
+		val->intval = 50;
+		break;
+	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
+	case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
+		val->intval = 3600;
+		break;
+	default:
+		pr_info("%s: some properties deliberately report errors.\n",
+			__func__);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static enum power_supply_property test_power_ac_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+};
+
+static enum power_supply_property test_power_battery_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
+	POWER_SUPPLY_PROP_CHARGE_TYPE,
+	POWER_SUPPLY_PROP_HEALTH,
+	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CHARGE_FULL,
+	POWER_SUPPLY_PROP_CHARGE_EMPTY,
+	POWER_SUPPLY_PROP_CAPACITY,
+	POWER_SUPPLY_PROP_CAPACITY_LEVEL,
+	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
+	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
+	POWER_SUPPLY_PROP_MODEL_NAME,
+	POWER_SUPPLY_PROP_MANUFACTURER,
+	POWER_SUPPLY_PROP_SERIAL_NUMBER,
+};
+
+static char *test_power_ac_supplied_to[] = {
+	"test_battery",
+};
+
+static struct power_supply test_power_supplies[] = {
+	{
+		.name = "test_ac",
+		.type = POWER_SUPPLY_TYPE_MAINS,
+		.supplied_to = test_power_ac_supplied_to,
+		.num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to),
+		.properties = test_power_ac_props,
+		.num_properties = ARRAY_SIZE(test_power_ac_props),
+		.get_property = test_power_get_ac_property,
+	}, {
+		.name = "test_battery",
+		.type = POWER_SUPPLY_TYPE_BATTERY,
+		.properties = test_power_battery_props,
+		.num_properties = ARRAY_SIZE(test_power_battery_props),
+		.get_property = test_power_get_battery_property,
+	},
+};
+
+static int __init test_power_init(void)
+{
+	int i;
+	int ret;
+
+	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) {
+		ret = power_supply_register(NULL, &test_power_supplies[i]);
+		if (ret) {
+			pr_err("%s: failed to register %s\n", __func__,
+				test_power_supplies[i].name);
+			goto failed;
+		}
+	}
+
+	return 0;
+failed:
+	while (--i >= 0)
+		power_supply_unregister(&test_power_supplies[i]);
+	return ret;
+}
+module_init(test_power_init);
+
+static void __exit test_power_exit(void)
+{
+	int i;
+
+	/* Let's see how we handle changes... */
+	test_power_ac_online = 0;
+	test_power_battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
+	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
+		power_supply_changed(&test_power_supplies[i]);
+	pr_info("%s: 'changed' event sent, sleeping for 10 seconds...\n",
+		__func__);
+	ssleep(10);
+
+	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
+		power_supply_unregister(&test_power_supplies[i]);
+}
+module_exit(test_power_exit);
+
+MODULE_DESCRIPTION("Power supply driver for testing");
+MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>");
+MODULE_LICENSE("GPL");

From 4f41c013f553957765902fb01475972f0af3e8e7 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 18 May 2010 18:08:32 +0200
Subject: [PATCH 2003/3638] perf/ftrace: Optimize perf/tracepoint interaction
 for single events

When we've got but a single event per tracepoint
there is no reason to try and multiplex it so don't.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Tested-by: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace_event.h    |  8 +++++---
 include/linux/perf_event.h      |  2 +-
 include/trace/ftrace.h          |  3 ++-
 kernel/perf_event.c             | 15 ++++++++++-----
 kernel/trace/trace_event_perf.c | 11 +++++++----
 kernel/trace/trace_kprobe.c     |  4 ++--
 kernel/trace/trace_syscalls.c   |  6 ++++--
 7 files changed, 31 insertions(+), 18 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index c0f4b364c71..c8091001b94 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -132,6 +132,7 @@ struct ftrace_event_call {
 	void			*data;
 
 	int			perf_refcount;
+	void			*perf_data;
 	int			(*perf_event_enable)(struct ftrace_event_call *);
 	void			(*perf_event_disable)(struct ftrace_event_call *);
 };
@@ -190,7 +191,7 @@ struct perf_event;
 
 DECLARE_PER_CPU(struct pt_regs, perf_trace_regs);
 
-extern int perf_trace_enable(int event_id);
+extern int perf_trace_enable(int event_id, void *data);
 extern void perf_trace_disable(int event_id);
 extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
 				     char *filter_str);
@@ -201,11 +202,12 @@ perf_trace_buf_prepare(int size, unsigned short type, int *rctxp,
 
 static inline void
 perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr,
-		       u64 count, unsigned long irq_flags, struct pt_regs *regs)
+		       u64 count, unsigned long irq_flags, struct pt_regs *regs,
+		       void *event)
 {
 	struct trace_entry *entry = raw_data;
 
-	perf_tp_event(entry->type, addr, count, raw_data, size, regs);
+	perf_tp_event(entry->type, addr, count, raw_data, size, regs, event);
 	perf_swevent_put_recursion_context(rctx);
 	local_irq_restore(irq_flags);
 }
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 3fd5c82e0e1..0b521fc8f5b 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -994,7 +994,7 @@ static inline bool perf_paranoid_kernel(void)
 
 extern void perf_event_init(void);
 extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
-			  int entry_size, struct pt_regs *regs);
+			  int entry_size, struct pt_regs *regs, void *event);
 extern void perf_bp_event(struct perf_event *event, void *data);
 
 #ifndef perf_misc_flags
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 882c64832ff..0a29df09292 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -785,7 +785,8 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 	{ assign; }							\
 									\
 	perf_trace_buf_submit(entry, __entry_size, rctx, __addr,	\
-			       __count, irq_flags, __regs);		\
+			       __count, irq_flags, __regs, 		\
+			      event_call->perf_data);			\
 }
 
 #undef DEFINE_EVENT
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index a4fa381db3c..17ac47f4bce 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4468,8 +4468,9 @@ static int swevent_hlist_get(struct perf_event *event)
 #ifdef CONFIG_EVENT_TRACING
 
 void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
-		   int entry_size, struct pt_regs *regs)
+		   int entry_size, struct pt_regs *regs, void *event)
 {
+	const int type = PERF_TYPE_TRACEPOINT;
 	struct perf_sample_data data;
 	struct perf_raw_record raw = {
 		.size = entry_size,
@@ -4479,9 +4480,13 @@ void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
 	perf_sample_data_init(&data, addr);
 	data.raw = &raw;
 
-	/* Trace events already protected against recursion */
-	do_perf_sw_event(PERF_TYPE_TRACEPOINT, event_id, count, 1,
-			 &data, regs);
+	if (!event) {
+		do_perf_sw_event(type, event_id, count, 1, &data, regs);
+		return;
+	}
+
+	if (perf_swevent_match(event, type, event_id, &data, regs))
+		perf_swevent_add(event, count, 1, &data, regs);
 }
 EXPORT_SYMBOL_GPL(perf_tp_event);
 
@@ -4514,7 +4519,7 @@ static const struct pmu *tp_perf_event_init(struct perf_event *event)
 			!capable(CAP_SYS_ADMIN))
 		return ERR_PTR(-EPERM);
 
-	if (perf_trace_enable(event->attr.config))
+	if (perf_trace_enable(event->attr.config, event))
 		return NULL;
 
 	event->destroy = tp_perf_event_destroy;
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 0565bb42566..89b780a7c52 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -27,13 +27,15 @@ typedef typeof(unsigned long [PERF_MAX_TRACE_SIZE / sizeof(unsigned long)])
 /* Count the events in use (per event id, not per instance) */
 static int	total_ref_count;
 
-static int perf_trace_event_enable(struct ftrace_event_call *event)
+static int perf_trace_event_enable(struct ftrace_event_call *event, void *data)
 {
 	char *buf;
 	int ret = -ENOMEM;
 
-	if (event->perf_refcount++ > 0)
+	if (event->perf_refcount++ > 0) {
+		event->perf_data = NULL;
 		return 0;
+	}
 
 	if (!total_ref_count) {
 		buf = (char *)alloc_percpu(perf_trace_t);
@@ -51,6 +53,7 @@ static int perf_trace_event_enable(struct ftrace_event_call *event)
 
 	ret = event->perf_event_enable(event);
 	if (!ret) {
+		event->perf_data = data;
 		total_ref_count++;
 		return 0;
 	}
@@ -68,7 +71,7 @@ fail_buf:
 	return ret;
 }
 
-int perf_trace_enable(int event_id)
+int perf_trace_enable(int event_id, void *data)
 {
 	struct ftrace_event_call *event;
 	int ret = -EINVAL;
@@ -77,7 +80,7 @@ int perf_trace_enable(int event_id)
 	list_for_each_entry(event, &ftrace_events, list) {
 		if (event->id == event_id && event->perf_event_enable &&
 		    try_module_get(event->mod)) {
-			ret = perf_trace_event_enable(event);
+			ret = perf_trace_event_enable(event, data);
 			break;
 		}
 	}
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index a7514326052..2d7bf4146be 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1362,7 +1362,7 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
 	for (i = 0; i < tp->nr_args; i++)
 		call_fetch(&tp->args[i].fetch, regs, data + tp->args[i].offset);
 
-	perf_trace_buf_submit(entry, size, rctx, entry->ip, 1, irq_flags, regs);
+	perf_trace_buf_submit(entry, size, rctx, entry->ip, 1, irq_flags, regs, call->perf_data);
 }
 
 /* Kretprobe profile handler */
@@ -1395,7 +1395,7 @@ static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
 		call_fetch(&tp->args[i].fetch, regs, data + tp->args[i].offset);
 
 	perf_trace_buf_submit(entry, size, rctx, entry->ret_ip, 1,
-			       irq_flags, regs);
+			       irq_flags, regs, call->perf_data);
 }
 
 static int probe_perf_enable(struct ftrace_event_call *call)
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 4d6d711717f..9eff1a4b49b 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -468,7 +468,8 @@ static void perf_syscall_enter(struct pt_regs *regs, long id)
 	rec->nr = syscall_nr;
 	syscall_get_arguments(current, regs, 0, sys_data->nb_args,
 			       (unsigned long *)&rec->args);
-	perf_trace_buf_submit(rec, size, rctx, 0, 1, flags, regs);
+	perf_trace_buf_submit(rec, size, rctx, 0, 1, flags, regs,
+			sys_data->enter_event->perf_data);
 }
 
 int perf_sysenter_enable(struct ftrace_event_call *call)
@@ -543,7 +544,8 @@ static void perf_syscall_exit(struct pt_regs *regs, long ret)
 	rec->nr = syscall_nr;
 	rec->ret = syscall_get_return_value(current, regs);
 
-	perf_trace_buf_submit(rec, size, rctx, 0, 1, flags, regs);
+	perf_trace_buf_submit(rec, size, rctx, 0, 1, flags, regs,
+			sys_data->exit_event->perf_data);
 }
 
 int perf_sysexit_enable(struct ftrace_event_call *call)

From 00d1d0b095ba4e5c0958cb228b2a9c445d4a339d Mon Sep 17 00:00:00 2001
From: Stephane Eranian <eranian@google.com>
Date: Mon, 17 May 2010 12:46:01 +0200
Subject: [PATCH 2004/3638] perf: Fix errors path in perf_output_begin()

In case the sampling buffer has no "payload" pages,
nr_pages is 0. The problem is that the error path in
perf_output_begin() skips to a label which assumes
perf_output_lock() has been issued which is not the
case. That triggers a WARN_ON() in
perf_output_unlock().

This patch fixes the problem by skipping
perf_output_unlock() in case data->nr_pages is 0.

Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4bf13674.014fd80a.6c82.ffffb20c@mx.google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/perf_event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 17ac47f4bce..8d61d292f71 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -3036,7 +3036,7 @@ int perf_output_begin(struct perf_output_handle *handle,
 	handle->sample	= sample;
 
 	if (!data->nr_pages)
-		goto fail;
+		goto out;
 
 	have_lost = atomic_read(&data->lost);
 	if (have_lost)

From a19d35c11fd559dd7dfd5a2078df7c9af74a5d88 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 17 May 2010 18:48:00 +0200
Subject: [PATCH 2005/3638] perf: Optimize buffer placement by allocating
 buffers NUMA aware

Ensure cpu bound buffers live on the right NUMA node.

Suggested-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1274114880.5605.5236.camel@twins>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/perf_event.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 8d61d292f71..6ae62186dd0 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2320,6 +2320,19 @@ perf_mmap_to_page(struct perf_mmap_data *data, unsigned long pgoff)
 	return virt_to_page(data->data_pages[pgoff - 1]);
 }
 
+static void *perf_mmap_alloc_page(int cpu)
+{
+	struct page *page;
+	int node;
+
+	node = (cpu == -1) ? cpu : cpu_to_node(cpu);
+	page = alloc_pages_node(node, GFP_KERNEL | __GFP_ZERO, 0);
+	if (!page)
+		return NULL;
+
+	return page_address(page);
+}
+
 static struct perf_mmap_data *
 perf_mmap_data_alloc(struct perf_event *event, int nr_pages)
 {
@@ -2336,12 +2349,12 @@ perf_mmap_data_alloc(struct perf_event *event, int nr_pages)
 	if (!data)
 		goto fail;
 
-	data->user_page = (void *)get_zeroed_page(GFP_KERNEL);
+	data->user_page = perf_mmap_alloc_page(event->cpu);
 	if (!data->user_page)
 		goto fail_user_page;
 
 	for (i = 0; i < nr_pages; i++) {
-		data->data_pages[i] = (void *)get_zeroed_page(GFP_KERNEL);
+		data->data_pages[i] = perf_mmap_alloc_page(event->cpu);
 		if (!data->data_pages[i])
 			goto fail_data_pages;
 	}

From c7920614cebbf269a7c8397ff959a8dcf727465c Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 18 May 2010 10:33:24 +0200
Subject: [PATCH 2006/3638] perf: Disallow mmap() on per-task inherited events

Since we now have working per-task-per-cpu events for
a while, disallow mmap() on per-task inherited
events. Those things were a performance problem
anyway, and doing away with it allows us to optimize
the buffer somewhat by assuming there is only a
single writer.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/perf_event.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 6ae62186dd0..ff5d430d45a 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2593,6 +2593,14 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
 	long user_extra, extra;
 	int ret = 0;
 
+	/*
+	 * Don't allow mmap() of inherited per-task counters. This would
+	 * create a performance issue due to all children writing to the
+	 * same buffer.
+	 */
+	if (event->cpu == -1 && event->attr.inherit)
+		return -EINVAL;
+
 	if (!(vma->vm_flags & VM_SHARED))
 		return -EINVAL;
 

From ef60777c9abd999db5eb4e338aae3eb593ae8e10 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 18 May 2010 10:50:41 +0200
Subject: [PATCH 2007/3638] perf: Optimize the perf_output() path by removing
 IRQ-disables

Since we can now assume there is only a single writer
to each buffer, we can remove per-cpu lock thingy and
use a simply nest-count to the same effect.

This removes the need to disable IRQs.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/perf_event.h |  5 +-
 kernel/perf_event.c        | 94 ++++++++++++--------------------------
 2 files changed, 30 insertions(+), 69 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 0b521fc8f5b..f1f853a9d5e 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -597,12 +597,12 @@ struct perf_mmap_data {
 	atomic_t			events;		/* event_id limit       */
 
 	atomic_long_t			head;		/* write position    */
-	atomic_long_t			done_head;	/* completed head    */
 
-	atomic_t			lock;		/* concurrent writes */
 	atomic_t			wakeup;		/* needs a wakeup    */
 	atomic_t			lost;		/* nr records lost   */
 
+	atomic_t			nest;		/* nested writers    */
+
 	long				watermark;	/* wakeup watermark  */
 
 	struct perf_event_mmap_page	*user_page;
@@ -807,7 +807,6 @@ struct perf_output_handle {
 	unsigned long			offset;
 	int				nmi;
 	int				sample;
-	int				locked;
 };
 
 #ifdef CONFIG_PERF_EVENTS
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index ff5d430d45a..8cf737da3ec 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2519,8 +2519,6 @@ perf_mmap_data_init(struct perf_event *event, struct perf_mmap_data *data)
 {
 	long max_size = perf_data_size(data);
 
-	atomic_set(&data->lock, -1);
-
 	if (event->attr.watermark) {
 		data->watermark = min_t(long, max_size,
 					event->attr.wakeup_watermark);
@@ -2906,82 +2904,56 @@ static void perf_output_wakeup(struct perf_output_handle *handle)
 }
 
 /*
- * Curious locking construct.
- *
  * We need to ensure a later event_id doesn't publish a head when a former
- * event_id isn't done writing. However since we need to deal with NMIs we
+ * event isn't done writing. However since we need to deal with NMIs we
  * cannot fully serialize things.
  *
- * What we do is serialize between CPUs so we only have to deal with NMI
- * nesting on a single CPU.
- *
  * We only publish the head (and generate a wakeup) when the outer-most
- * event_id completes.
+ * event completes.
  */
-static void perf_output_lock(struct perf_output_handle *handle)
+static void perf_output_get_handle(struct perf_output_handle *handle)
 {
 	struct perf_mmap_data *data = handle->data;
-	int cur, cpu = get_cpu();
 
-	handle->locked = 0;
-
-	for (;;) {
-		cur = atomic_cmpxchg(&data->lock, -1, cpu);
-		if (cur == -1) {
-			handle->locked = 1;
-			break;
-		}
-		if (cur == cpu)
-			break;
-
-		cpu_relax();
-	}
+	preempt_disable();
+	atomic_inc(&data->nest);
 }
 
-static void perf_output_unlock(struct perf_output_handle *handle)
+static void perf_output_put_handle(struct perf_output_handle *handle)
 {
 	struct perf_mmap_data *data = handle->data;
 	unsigned long head;
-	int cpu;
-
-	data->done_head = data->head;
-
-	if (!handle->locked)
-		goto out;
 
 again:
-	/*
-	 * The xchg implies a full barrier that ensures all writes are done
-	 * before we publish the new head, matched by a rmb() in userspace when
-	 * reading this position.
-	 */
-	while ((head = atomic_long_xchg(&data->done_head, 0)))
-		data->user_page->data_head = head;
+	head = atomic_long_read(&data->head);
 
 	/*
-	 * NMI can happen here, which means we can miss a done_head update.
+	 * IRQ/NMI can happen here, which means we can miss a head update.
 	 */
 
-	cpu = atomic_xchg(&data->lock, -1);
-	WARN_ON_ONCE(cpu != smp_processor_id());
+	if (!atomic_dec_and_test(&data->nest))
+		return;
 
 	/*
-	 * Therefore we have to validate we did not indeed do so.
+	 * Publish the known good head. Rely on the full barrier implied
+	 * by atomic_dec_and_test() order the data->head read and this
+	 * write.
 	 */
-	if (unlikely(atomic_long_read(&data->done_head))) {
-		/*
-		 * Since we had it locked, we can lock it again.
-		 */
-		while (atomic_cmpxchg(&data->lock, -1, cpu) != -1)
-			cpu_relax();
+	data->user_page->data_head = head;
 
+	/*
+	 * Now check if we missed an update, rely on the (compiler)
+	 * barrier in atomic_dec_and_test() to re-read data->head.
+	 */
+	if (unlikely(head != atomic_long_read(&data->head))) {
+		atomic_inc(&data->nest);
 		goto again;
 	}
 
 	if (atomic_xchg(&data->wakeup, 0))
 		perf_output_wakeup(handle);
-out:
-	put_cpu();
+
+	preempt_enable();
 }
 
 void perf_output_copy(struct perf_output_handle *handle,
@@ -3063,7 +3035,7 @@ int perf_output_begin(struct perf_output_handle *handle,
 	if (have_lost)
 		size += sizeof(lost_event);
 
-	perf_output_lock(handle);
+	perf_output_get_handle(handle);
 
 	do {
 		/*
@@ -3083,7 +3055,7 @@ int perf_output_begin(struct perf_output_handle *handle,
 	handle->head	= head;
 
 	if (head - tail > data->watermark)
-		atomic_set(&data->wakeup, 1);
+		atomic_inc(&data->wakeup);
 
 	if (have_lost) {
 		lost_event.header.type = PERF_RECORD_LOST;
@@ -3099,7 +3071,7 @@ int perf_output_begin(struct perf_output_handle *handle,
 
 fail:
 	atomic_inc(&data->lost);
-	perf_output_unlock(handle);
+	perf_output_put_handle(handle);
 out:
 	rcu_read_unlock();
 
@@ -3117,11 +3089,11 @@ void perf_output_end(struct perf_output_handle *handle)
 		int events = atomic_inc_return(&data->events);
 		if (events >= wakeup_events) {
 			atomic_sub(wakeup_events, &data->events);
-			atomic_set(&data->wakeup, 1);
+			atomic_inc(&data->wakeup);
 		}
 	}
 
-	perf_output_unlock(handle);
+	perf_output_put_handle(handle);
 	rcu_read_unlock();
 }
 
@@ -3457,22 +3429,13 @@ static void perf_event_task_output(struct perf_event *event,
 {
 	struct perf_output_handle handle;
 	struct task_struct *task = task_event->task;
-	unsigned long flags;
 	int size, ret;
 
-	/*
-	 * If this CPU attempts to acquire an rq lock held by a CPU spinning
-	 * in perf_output_lock() from interrupt context, it's game over.
-	 */
-	local_irq_save(flags);
-
 	size  = task_event->event_id.header.size;
 	ret = perf_output_begin(&handle, event, size, 0, 0);
 
-	if (ret) {
-		local_irq_restore(flags);
+	if (ret)
 		return;
-	}
 
 	task_event->event_id.pid = perf_event_pid(event, task);
 	task_event->event_id.ppid = perf_event_pid(event, current);
@@ -3483,7 +3446,6 @@ static void perf_event_task_output(struct perf_event *event,
 	perf_output_put(&handle, task_event->event_id);
 
 	perf_output_end(&handle);
-	local_irq_restore(flags);
 }
 
 static int perf_event_task_match(struct perf_event *event)

From fa5881514ef9c9bcb29319aad85cf2d8889d91f1 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 18 May 2010 10:54:20 +0200
Subject: [PATCH 2008/3638] perf: Optimize the hotpath by converting the perf
 output buffer to local_t

Since there is now only a single writer, we can use
local_t instead and avoid all these pesky LOCK insn.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/perf_event.h | 15 +++++++--------
 kernel/perf_event.c        | 30 +++++++++++++++---------------
 2 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index f1f853a9d5e..ce7667616fc 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -485,6 +485,7 @@ struct perf_guest_info_callbacks {
 #include <linux/ftrace.h>
 #include <linux/cpu.h>
 #include <asm/atomic.h>
+#include <asm/local.h>
 
 #define PERF_MAX_STACK_DEPTH		255
 
@@ -588,20 +589,18 @@ struct perf_mmap_data {
 #ifdef CONFIG_PERF_USE_VMALLOC
 	struct work_struct		work;
 #endif
-	int				data_order;
+	int				data_order;	/* allocation order  */
 	int				nr_pages;	/* nr of data pages  */
 	int				writable;	/* are we writable   */
 	int				nr_locked;	/* nr pages mlocked  */
 
 	atomic_t			poll;		/* POLL_ for wakeups */
-	atomic_t			events;		/* event_id limit       */
 
-	atomic_long_t			head;		/* write position    */
-
-	atomic_t			wakeup;		/* needs a wakeup    */
-	atomic_t			lost;		/* nr records lost   */
-
-	atomic_t			nest;		/* nested writers    */
+	local_t				head;		/* write position    */
+	local_t				nest;		/* nested writers    */
+	local_t				events;		/* event limit       */
+	local_t				wakeup;		/* needs a wakeup    */
+	local_t				lost;		/* nr records lost   */
 
 	long				watermark;	/* wakeup watermark  */
 
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 8cf737da3ec..1f98c78c334 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2916,7 +2916,7 @@ static void perf_output_get_handle(struct perf_output_handle *handle)
 	struct perf_mmap_data *data = handle->data;
 
 	preempt_disable();
-	atomic_inc(&data->nest);
+	local_inc(&data->nest);
 }
 
 static void perf_output_put_handle(struct perf_output_handle *handle)
@@ -2925,13 +2925,13 @@ static void perf_output_put_handle(struct perf_output_handle *handle)
 	unsigned long head;
 
 again:
-	head = atomic_long_read(&data->head);
+	head = local_read(&data->head);
 
 	/*
 	 * IRQ/NMI can happen here, which means we can miss a head update.
 	 */
 
-	if (!atomic_dec_and_test(&data->nest))
+	if (!local_dec_and_test(&data->nest))
 		return;
 
 	/*
@@ -2945,12 +2945,12 @@ again:
 	 * Now check if we missed an update, rely on the (compiler)
 	 * barrier in atomic_dec_and_test() to re-read data->head.
 	 */
-	if (unlikely(head != atomic_long_read(&data->head))) {
-		atomic_inc(&data->nest);
+	if (unlikely(head != local_read(&data->head))) {
+		local_inc(&data->nest);
 		goto again;
 	}
 
-	if (atomic_xchg(&data->wakeup, 0))
+	if (local_xchg(&data->wakeup, 0))
 		perf_output_wakeup(handle);
 
 	preempt_enable();
@@ -3031,7 +3031,7 @@ int perf_output_begin(struct perf_output_handle *handle,
 	if (!data->nr_pages)
 		goto out;
 
-	have_lost = atomic_read(&data->lost);
+	have_lost = local_read(&data->lost);
 	if (have_lost)
 		size += sizeof(lost_event);
 
@@ -3045,24 +3045,24 @@ int perf_output_begin(struct perf_output_handle *handle,
 		 */
 		tail = ACCESS_ONCE(data->user_page->data_tail);
 		smp_rmb();
-		offset = head = atomic_long_read(&data->head);
+		offset = head = local_read(&data->head);
 		head += size;
 		if (unlikely(!perf_output_space(data, tail, offset, head)))
 			goto fail;
-	} while (atomic_long_cmpxchg(&data->head, offset, head) != offset);
+	} while (local_cmpxchg(&data->head, offset, head) != offset);
 
 	handle->offset	= offset;
 	handle->head	= head;
 
 	if (head - tail > data->watermark)
-		atomic_inc(&data->wakeup);
+		local_inc(&data->wakeup);
 
 	if (have_lost) {
 		lost_event.header.type = PERF_RECORD_LOST;
 		lost_event.header.misc = 0;
 		lost_event.header.size = sizeof(lost_event);
 		lost_event.id          = event->id;
-		lost_event.lost        = atomic_xchg(&data->lost, 0);
+		lost_event.lost        = local_xchg(&data->lost, 0);
 
 		perf_output_put(handle, lost_event);
 	}
@@ -3070,7 +3070,7 @@ int perf_output_begin(struct perf_output_handle *handle,
 	return 0;
 
 fail:
-	atomic_inc(&data->lost);
+	local_inc(&data->lost);
 	perf_output_put_handle(handle);
 out:
 	rcu_read_unlock();
@@ -3086,10 +3086,10 @@ void perf_output_end(struct perf_output_handle *handle)
 	int wakeup_events = event->attr.wakeup_events;
 
 	if (handle->sample && wakeup_events) {
-		int events = atomic_inc_return(&data->events);
+		int events = local_inc_return(&data->events);
 		if (events >= wakeup_events) {
-			atomic_sub(wakeup_events, &data->events);
-			atomic_inc(&data->wakeup);
+			local_sub(wakeup_events, &data->events);
+			local_inc(&data->wakeup);
 		}
 	}
 

From 6d1acfd5c6bfd5231c13a8f2858d7f2afbaa1b62 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 18 May 2010 11:12:48 +0200
Subject: [PATCH 2009/3638] perf: Optimize perf_output_*() by avoiding
 local_xchg()

Since the x86 XCHG ins implies LOCK, avoid the use by
using a sequence count instead.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/perf_event.h | 1 +
 kernel/perf_event.c        | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index ce7667616fc..fe50347dc64 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -804,6 +804,7 @@ struct perf_output_handle {
 	struct perf_mmap_data		*data;
 	unsigned long			head;
 	unsigned long			offset;
+	unsigned long			wakeup;
 	int				nmi;
 	int				sample;
 };
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 1f98c78c334..7e3bcf1a29f 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2917,6 +2917,7 @@ static void perf_output_get_handle(struct perf_output_handle *handle)
 
 	preempt_disable();
 	local_inc(&data->nest);
+	handle->wakeup = local_read(&data->wakeup);
 }
 
 static void perf_output_put_handle(struct perf_output_handle *handle)
@@ -2950,7 +2951,7 @@ again:
 		goto again;
 	}
 
-	if (local_xchg(&data->wakeup, 0))
+	if (handle->wakeup != local_read(&data->wakeup))
 		perf_output_wakeup(handle);
 
 	preempt_enable();

From a13c3afd9b62b6dace80654964cc4ca7d2db8092 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Fri, 23 Apr 2010 13:56:33 +0800
Subject: [PATCH 2010/3638] perf, sparc: Implement group scheduling
 transactional APIs

Convert to the transactional PMU API and remove the duplication of
group_sched_in().

[cross build only]

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Acked-by: David Miller <davem@davemloft.net>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1272002193.5707.65.camel@minggr.sh.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/sparc/kernel/perf_event.c | 108 +++++++++++++++++++--------------
 1 file changed, 61 insertions(+), 47 deletions(-)

diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index e2771939341..cf4ce263ff8 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -91,6 +91,8 @@ struct cpu_hw_events {
 
 	/* Enabled/disable state.  */
 	int			enabled;
+
+	unsigned int		group_flag;
 };
 DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, };
 
@@ -980,53 +982,6 @@ static int collect_events(struct perf_event *group, int max_count,
 	return n;
 }
 
-static void event_sched_in(struct perf_event *event)
-{
-	event->state = PERF_EVENT_STATE_ACTIVE;
-	event->oncpu = smp_processor_id();
-	event->tstamp_running += event->ctx->time - event->tstamp_stopped;
-	if (is_software_event(event))
-		event->pmu->enable(event);
-}
-
-int hw_perf_group_sched_in(struct perf_event *group_leader,
-			   struct perf_cpu_context *cpuctx,
-			   struct perf_event_context *ctx)
-{
-	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	struct perf_event *sub;
-	int n0, n;
-
-	if (!sparc_pmu)
-		return 0;
-
-	n0 = cpuc->n_events;
-	n = collect_events(group_leader, perf_max_events - n0,
-			   &cpuc->event[n0], &cpuc->events[n0],
-			   &cpuc->current_idx[n0]);
-	if (n < 0)
-		return -EAGAIN;
-	if (check_excludes(cpuc->event, n0, n))
-		return -EINVAL;
-	if (sparc_check_constraints(cpuc->event, cpuc->events, n + n0))
-		return -EAGAIN;
-	cpuc->n_events = n0 + n;
-	cpuc->n_added += n;
-
-	cpuctx->active_oncpu += n;
-	n = 1;
-	event_sched_in(group_leader);
-	list_for_each_entry(sub, &group_leader->sibling_list, group_entry) {
-		if (sub->state != PERF_EVENT_STATE_OFF) {
-			event_sched_in(sub);
-			n++;
-		}
-	}
-	ctx->nr_active += n;
-
-	return 1;
-}
-
 static int sparc_pmu_enable(struct perf_event *event)
 {
 	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
@@ -1044,11 +999,20 @@ static int sparc_pmu_enable(struct perf_event *event)
 	cpuc->events[n0] = event->hw.event_base;
 	cpuc->current_idx[n0] = PIC_NO_INDEX;
 
+	/*
+	 * If group events scheduling transaction was started,
+	 * skip the schedulability test here, it will be peformed
+	 * at commit time(->commit_txn) as a whole
+	 */
+	if (cpuc->group_flag & PERF_EVENT_TXN_STARTED)
+		goto nocheck;
+
 	if (check_excludes(cpuc->event, n0, 1))
 		goto out;
 	if (sparc_check_constraints(cpuc->event, cpuc->events, n0 + 1))
 		goto out;
 
+nocheck:
 	cpuc->n_events++;
 	cpuc->n_added++;
 
@@ -1128,11 +1092,61 @@ static int __hw_perf_event_init(struct perf_event *event)
 	return 0;
 }
 
+/*
+ * Start group events scheduling transaction
+ * Set the flag to make pmu::enable() not perform the
+ * schedulability test, it will be performed at commit time
+ */
+static void sparc_pmu_start_txn(const struct pmu *pmu)
+{
+	struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
+
+	cpuhw->group_flag |= PERF_EVENT_TXN_STARTED;
+}
+
+/*
+ * Stop group events scheduling transaction
+ * Clear the flag and pmu::enable() will perform the
+ * schedulability test.
+ */
+static void sparc_pmu_cancel_txn(const struct pmu *pmu)
+{
+	struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
+
+	cpuhw->group_flag &= ~PERF_EVENT_TXN_STARTED;
+}
+
+/*
+ * Commit group events scheduling transaction
+ * Perform the group schedulability test as a whole
+ * Return 0 if success
+ */
+static int sparc_pmu_commit_txn(const struct pmu *pmu)
+{
+	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+	int n;
+
+	if (!sparc_pmu)
+		return -EINVAL;
+
+	cpuc = &__get_cpu_var(cpu_hw_events);
+	n = cpuc->n_events;
+	if (check_excludes(cpuc->event, 0, n))
+		return -EINVAL;
+	if (sparc_check_constraints(cpuc->event, cpuc->events, n))
+		return -EAGAIN;
+
+	return 0;
+}
+
 static const struct pmu pmu = {
 	.enable		= sparc_pmu_enable,
 	.disable	= sparc_pmu_disable,
 	.read		= sparc_pmu_read,
 	.unthrottle	= sparc_pmu_unthrottle,
+	.start_txn	= sparc_pmu_start_txn,
+	.cancel_txn	= sparc_pmu_cancel_txn,
+	.commit_txn	= sparc_pmu_commit_txn,
 };
 
 const struct pmu *hw_perf_event_init(struct perf_event *event)

From 78f94673d7faf01677f374f4ebbf324ff1a0aa6e Mon Sep 17 00:00:00 2001
From: Tristan Ye <tristan.ye@oracle.com>
Date: Tue, 11 May 2010 17:54:42 +0800
Subject: [PATCH 2011/3638] Ocfs2: Optimize ocfs2 truncate to use
 ocfs2_remove_btree_range() instead.

Truncate is just a special case of punching holes(from new i_size to
end), we therefore could take advantage of the existing
ocfs2_remove_btree_range() to reduce the comlexity and redundancy in
alloc.c.  The goal here is to make truncate more generic and
straightforward.

Several functions only used by ocfs2_commit_truncate() will smiply be
removed.

ocfs2_remove_btree_range() was originally used by the hole punching
code, which didn't take refcount trees into account (definitely a bug).
We therefore need to change that func a bit to handle refcount trees.
It must take the refcount lock, calculate and reserve blocks for
refcount tree changes, and decrease refcounts at the end.  We replace
ocfs2_lock_allocators() here by adding a new func
ocfs2_reserve_blocks_for_rec_trunc() which accepts some extra blocks to
reserve.  This will not hurt any other code using
ocfs2_remove_btree_range() (such as dir truncate and hole punching).

I merged the following steps into one patch since they may be
logically doing one thing, though I know it looks a little bit fat
to review.

1). Remove redundant code used by ocfs2_commit_truncate(), since we're
    moving to ocfs2_remove_btree_range anyway.

2). Add a new func ocfs2_reserve_blocks_for_rec_trunc() for purpose of
    accepting some extra blocks to reserve.

3). Change ocfs2_prepare_refcount_change_for_del() a bit to fit our
    needs.  It's safe to do this since it's only being called by
    truncate.

4). Change ocfs2_remove_btree_range() a bit to take refcount case into
    account.

5). Finally, we change ocfs2_commit_truncate() to call
    ocfs2_remove_btree_range() in a proper way.

The patch has been tested normally for sanity check, stress tests
with heavier workload will be expected.

Based on this patch, fixing the punching holes bug will be fairly easy.

Signed-off-by: Tristan Ye <tristan.ye@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/alloc.c        | 685 +++++++++-------------------------------
 fs/ocfs2/alloc.h        |   8 +-
 fs/ocfs2/dir.c          |   4 +-
 fs/ocfs2/file.c         |  11 +-
 fs/ocfs2/inode.c        |   9 +-
 fs/ocfs2/refcounttree.c |  29 +-
 fs/ocfs2/refcounttree.h |   4 +-
 7 files changed, 178 insertions(+), 572 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 0cb2945eb81..0cb4248e03c 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -5587,19 +5587,97 @@ out:
 	return ret;
 }
 
+/*
+ * ocfs2_reserve_blocks_for_rec_trunc() would look basically the
+ * same as ocfs2_lock_alloctors(), except for it accepts a blocks
+ * number to reserve some extra blocks, and it only handles meta
+ * data allocations.
+ *
+ * Currently, only ocfs2_remove_btree_range() uses it for truncating
+ * and punching holes.
+ */
+static int ocfs2_reserve_blocks_for_rec_trunc(struct inode *inode,
+					      struct ocfs2_extent_tree *et,
+					      u32 extents_to_split,
+					      struct ocfs2_alloc_context **ac,
+					      int extra_blocks)
+{
+	int ret = 0, num_free_extents;
+	unsigned int max_recs_needed = 2 * extents_to_split;
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+
+	*ac = NULL;
+
+	num_free_extents = ocfs2_num_free_extents(osb, et);
+	if (num_free_extents < 0) {
+		ret = num_free_extents;
+		mlog_errno(ret);
+		goto out;
+	}
+
+	if (!num_free_extents ||
+	    (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed))
+		extra_blocks += ocfs2_extend_meta_needed(et->et_root_el);
+
+	if (extra_blocks) {
+		ret = ocfs2_reserve_new_metadata_blocks(osb, extra_blocks, ac);
+		if (ret < 0) {
+			if (ret != -ENOSPC)
+				mlog_errno(ret);
+			goto out;
+		}
+	}
+
+out:
+	if (ret) {
+		if (*ac) {
+			ocfs2_free_alloc_context(*ac);
+			*ac = NULL;
+		}
+	}
+
+	return ret;
+}
+
 int ocfs2_remove_btree_range(struct inode *inode,
 			     struct ocfs2_extent_tree *et,
-			     u32 cpos, u32 phys_cpos, u32 len,
-			     struct ocfs2_cached_dealloc_ctxt *dealloc)
+			     u32 cpos, u32 phys_cpos, u32 len, int flags,
+			     struct ocfs2_cached_dealloc_ctxt *dealloc,
+			     u64 refcount_loc)
 {
-	int ret;
+	int ret, credits = 0, extra_blocks = 0;
 	u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos);
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct inode *tl_inode = osb->osb_tl_inode;
 	handle_t *handle;
 	struct ocfs2_alloc_context *meta_ac = NULL;
+	struct ocfs2_refcount_tree *ref_tree = NULL;
 
-	ret = ocfs2_lock_allocators(inode, et, 0, 1, NULL, &meta_ac);
+	if ((flags & OCFS2_EXT_REFCOUNTED) && len) {
+		BUG_ON(!(OCFS2_I(inode)->ip_dyn_features &
+			 OCFS2_HAS_REFCOUNT_FL));
+
+		ret = ocfs2_lock_refcount_tree(osb, refcount_loc, 1,
+					       &ref_tree, NULL);
+		if (ret) {
+			mlog_errno(ret);
+			goto out;
+		}
+
+		ret = ocfs2_prepare_refcount_change_for_del(inode,
+							    refcount_loc,
+							    phys_blkno,
+							    len,
+							    &credits,
+							    &extra_blocks);
+		if (ret < 0) {
+			mlog_errno(ret);
+			goto out;
+		}
+	}
+
+	ret = ocfs2_reserve_blocks_for_rec_trunc(inode, et, 1, &meta_ac,
+						 extra_blocks);
 	if (ret) {
 		mlog_errno(ret);
 		return ret;
@@ -5615,7 +5693,8 @@ int ocfs2_remove_btree_range(struct inode *inode,
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb));
+	handle = ocfs2_start_trans(osb,
+			ocfs2_remove_extent_credits(osb->sb) + credits);
 	if (IS_ERR(handle)) {
 		ret = PTR_ERR(handle);
 		mlog_errno(ret);
@@ -5642,9 +5721,20 @@ int ocfs2_remove_btree_range(struct inode *inode,
 
 	ocfs2_journal_dirty(handle, et->et_root_bh);
 
-	ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len);
-	if (ret)
-		mlog_errno(ret);
+	if (phys_blkno) {
+		if (flags & OCFS2_EXT_REFCOUNTED)
+			ret = ocfs2_decrease_refcount(inode, handle,
+					ocfs2_blocks_to_clusters(osb->sb,
+								 phys_blkno),
+					len, meta_ac,
+					dealloc, 1);
+		else
+			ret = ocfs2_truncate_log_append(osb, handle,
+							phys_blkno, len);
+		if (ret)
+			mlog_errno(ret);
+
+	}
 
 out_commit:
 	ocfs2_commit_trans(osb, handle);
@@ -5654,6 +5744,9 @@ out:
 	if (meta_ac)
 		ocfs2_free_alloc_context(meta_ac);
 
+	if (ref_tree)
+		ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
+
 	return ret;
 }
 
@@ -6481,417 +6574,6 @@ static int ocfs2_cache_extent_block_free(struct ocfs2_cached_dealloc_ctxt *ctxt,
 					 le16_to_cpu(eb->h_suballoc_bit));
 }
 
-/* This function will figure out whether the currently last extent
- * block will be deleted, and if it will, what the new last extent
- * block will be so we can update his h_next_leaf_blk field, as well
- * as the dinodes i_last_eb_blk */
-static int ocfs2_find_new_last_ext_blk(struct inode *inode,
-				       unsigned int clusters_to_del,
-				       struct ocfs2_path *path,
-				       struct buffer_head **new_last_eb)
-{
-	int next_free, ret = 0;
-	u32 cpos;
-	struct ocfs2_extent_rec *rec;
-	struct ocfs2_extent_block *eb;
-	struct ocfs2_extent_list *el;
-	struct buffer_head *bh = NULL;
-
-	*new_last_eb = NULL;
-
-	/* we have no tree, so of course, no last_eb. */
-	if (!path->p_tree_depth)
-		goto out;
-
-	/* trunc to zero special case - this makes tree_depth = 0
-	 * regardless of what it is.  */
-	if (OCFS2_I(inode)->ip_clusters == clusters_to_del)
-		goto out;
-
-	el = path_leaf_el(path);
-	BUG_ON(!el->l_next_free_rec);
-
-	/*
-	 * Make sure that this extent list will actually be empty
-	 * after we clear away the data. We can shortcut out if
-	 * there's more than one non-empty extent in the
-	 * list. Otherwise, a check of the remaining extent is
-	 * necessary.
-	 */
-	next_free = le16_to_cpu(el->l_next_free_rec);
-	rec = NULL;
-	if (ocfs2_is_empty_extent(&el->l_recs[0])) {
-		if (next_free > 2)
-			goto out;
-
-		/* We may have a valid extent in index 1, check it. */
-		if (next_free == 2)
-			rec = &el->l_recs[1];
-
-		/*
-		 * Fall through - no more nonempty extents, so we want
-		 * to delete this leaf.
-		 */
-	} else {
-		if (next_free > 1)
-			goto out;
-
-		rec = &el->l_recs[0];
-	}
-
-	if (rec) {
-		/*
-		 * Check it we'll only be trimming off the end of this
-		 * cluster.
-		 */
-		if (le16_to_cpu(rec->e_leaf_clusters) > clusters_to_del)
-			goto out;
-	}
-
-	ret = ocfs2_find_cpos_for_left_leaf(inode->i_sb, path, &cpos);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	ret = ocfs2_find_leaf(INODE_CACHE(inode), path_root_el(path), cpos, &bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	eb = (struct ocfs2_extent_block *) bh->b_data;
-	el = &eb->h_list;
-
-	/* ocfs2_find_leaf() gets the eb from ocfs2_read_extent_block().
-	 * Any corruption is a code bug. */
-	BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb));
-
-	*new_last_eb = bh;
-	get_bh(*new_last_eb);
-	mlog(0, "returning block %llu, (cpos: %u)\n",
-	     (unsigned long long)le64_to_cpu(eb->h_blkno), cpos);
-out:
-	brelse(bh);
-
-	return ret;
-}
-
-/*
- * Trim some clusters off the rightmost edge of a tree. Only called
- * during truncate.
- *
- * The caller needs to:
- *   - start journaling of each path component.
- *   - compute and fully set up any new last ext block
- */
-static int ocfs2_trim_tree(struct inode *inode, struct ocfs2_path *path,
-			   handle_t *handle, struct ocfs2_truncate_context *tc,
-			   u32 clusters_to_del, u64 *delete_start, u8 *flags)
-{
-	int ret, i, index = path->p_tree_depth;
-	u32 new_edge = 0;
-	u64 deleted_eb = 0;
-	struct buffer_head *bh;
-	struct ocfs2_extent_list *el;
-	struct ocfs2_extent_rec *rec;
-
-	*delete_start = 0;
-	*flags = 0;
-
-	while (index >= 0) {
-		bh = path->p_node[index].bh;
-		el = path->p_node[index].el;
-
-		mlog(0, "traveling tree (index = %d, block = %llu)\n",
-		     index,  (unsigned long long)bh->b_blocknr);
-
-		BUG_ON(le16_to_cpu(el->l_next_free_rec) == 0);
-
-		if (index !=
-		    (path->p_tree_depth - le16_to_cpu(el->l_tree_depth))) {
-			ocfs2_error(inode->i_sb,
-				    "Inode %lu has invalid ext. block %llu",
-				    inode->i_ino,
-				    (unsigned long long)bh->b_blocknr);
-			ret = -EROFS;
-			goto out;
-		}
-
-find_tail_record:
-		i = le16_to_cpu(el->l_next_free_rec) - 1;
-		rec = &el->l_recs[i];
-
-		mlog(0, "Extent list before: record %d: (%u, %u, %llu), "
-		     "next = %u\n", i, le32_to_cpu(rec->e_cpos),
-		     ocfs2_rec_clusters(el, rec),
-		     (unsigned long long)le64_to_cpu(rec->e_blkno),
-		     le16_to_cpu(el->l_next_free_rec));
-
-		BUG_ON(ocfs2_rec_clusters(el, rec) < clusters_to_del);
-
-		if (le16_to_cpu(el->l_tree_depth) == 0) {
-			/*
-			 * If the leaf block contains a single empty
-			 * extent and no records, we can just remove
-			 * the block.
-			 */
-			if (i == 0 && ocfs2_is_empty_extent(rec)) {
-				memset(rec, 0,
-				       sizeof(struct ocfs2_extent_rec));
-				el->l_next_free_rec = cpu_to_le16(0);
-
-				goto delete;
-			}
-
-			/*
-			 * Remove any empty extents by shifting things
-			 * left. That should make life much easier on
-			 * the code below. This condition is rare
-			 * enough that we shouldn't see a performance
-			 * hit.
-			 */
-			if (ocfs2_is_empty_extent(&el->l_recs[0])) {
-				le16_add_cpu(&el->l_next_free_rec, -1);
-
-				for(i = 0;
-				    i < le16_to_cpu(el->l_next_free_rec); i++)
-					el->l_recs[i] = el->l_recs[i + 1];
-
-				memset(&el->l_recs[i], 0,
-				       sizeof(struct ocfs2_extent_rec));
-
-				/*
-				 * We've modified our extent list. The
-				 * simplest way to handle this change
-				 * is to being the search from the
-				 * start again.
-				 */
-				goto find_tail_record;
-			}
-
-			le16_add_cpu(&rec->e_leaf_clusters, -clusters_to_del);
-
-			/*
-			 * We'll use "new_edge" on our way back up the
-			 * tree to know what our rightmost cpos is.
-			 */
-			new_edge = le16_to_cpu(rec->e_leaf_clusters);
-			new_edge += le32_to_cpu(rec->e_cpos);
-
-			/*
-			 * The caller will use this to delete data blocks.
-			 */
-			*delete_start = le64_to_cpu(rec->e_blkno)
-				+ ocfs2_clusters_to_blocks(inode->i_sb,
-					le16_to_cpu(rec->e_leaf_clusters));
-			*flags = rec->e_flags;
-
-			/*
-			 * If it's now empty, remove this record.
-			 */
-			if (le16_to_cpu(rec->e_leaf_clusters) == 0) {
-				memset(rec, 0,
-				       sizeof(struct ocfs2_extent_rec));
-				le16_add_cpu(&el->l_next_free_rec, -1);
-			}
-		} else {
-			if (le64_to_cpu(rec->e_blkno) == deleted_eb) {
-				memset(rec, 0,
-				       sizeof(struct ocfs2_extent_rec));
-				le16_add_cpu(&el->l_next_free_rec, -1);
-
-				goto delete;
-			}
-
-			/* Can this actually happen? */
-			if (le16_to_cpu(el->l_next_free_rec) == 0)
-				goto delete;
-
-			/*
-			 * We never actually deleted any clusters
-			 * because our leaf was empty. There's no
-			 * reason to adjust the rightmost edge then.
-			 */
-			if (new_edge == 0)
-				goto delete;
-
-			rec->e_int_clusters = cpu_to_le32(new_edge);
-			le32_add_cpu(&rec->e_int_clusters,
-				     -le32_to_cpu(rec->e_cpos));
-
-			 /*
-			  * A deleted child record should have been
-			  * caught above.
-			  */
-			 BUG_ON(le32_to_cpu(rec->e_int_clusters) == 0);
-		}
-
-delete:
-		ocfs2_journal_dirty(handle, bh);
-
-		mlog(0, "extent list container %llu, after: record %d: "
-		     "(%u, %u, %llu), next = %u.\n",
-		     (unsigned long long)bh->b_blocknr, i,
-		     le32_to_cpu(rec->e_cpos), ocfs2_rec_clusters(el, rec),
-		     (unsigned long long)le64_to_cpu(rec->e_blkno),
-		     le16_to_cpu(el->l_next_free_rec));
-
-		/*
-		 * We must be careful to only attempt delete of an
-		 * extent block (and not the root inode block).
-		 */
-		if (index > 0 && le16_to_cpu(el->l_next_free_rec) == 0) {
-			struct ocfs2_extent_block *eb =
-				(struct ocfs2_extent_block *)bh->b_data;
-
-			/*
-			 * Save this for use when processing the
-			 * parent block.
-			 */
-			deleted_eb = le64_to_cpu(eb->h_blkno);
-
-			mlog(0, "deleting this extent block.\n");
-
-			ocfs2_remove_from_cache(INODE_CACHE(inode), bh);
-
-			BUG_ON(ocfs2_rec_clusters(el, &el->l_recs[0]));
-			BUG_ON(le32_to_cpu(el->l_recs[0].e_cpos));
-			BUG_ON(le64_to_cpu(el->l_recs[0].e_blkno));
-
-			ret = ocfs2_cache_extent_block_free(&tc->tc_dealloc, eb);
-			/* An error here is not fatal. */
-			if (ret < 0)
-				mlog_errno(ret);
-		} else {
-			deleted_eb = 0;
-		}
-
-		index--;
-	}
-
-	ret = 0;
-out:
-	return ret;
-}
-
-static int ocfs2_do_truncate(struct ocfs2_super *osb,
-			     unsigned int clusters_to_del,
-			     struct inode *inode,
-			     struct buffer_head *fe_bh,
-			     handle_t *handle,
-			     struct ocfs2_truncate_context *tc,
-			     struct ocfs2_path *path,
-			     struct ocfs2_alloc_context *meta_ac)
-{
-	int status;
-	struct ocfs2_dinode *fe;
-	struct ocfs2_extent_block *last_eb = NULL;
-	struct ocfs2_extent_list *el;
-	struct buffer_head *last_eb_bh = NULL;
-	u64 delete_blk = 0;
-	u8 rec_flags;
-
-	fe = (struct ocfs2_dinode *) fe_bh->b_data;
-
-	status = ocfs2_find_new_last_ext_blk(inode, clusters_to_del,
-					     path, &last_eb_bh);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
-
-	/*
-	 * Each component will be touched, so we might as well journal
-	 * here to avoid having to handle errors later.
-	 */
-	status = ocfs2_journal_access_path(INODE_CACHE(inode), handle, path);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
-
-	if (last_eb_bh) {
-		status = ocfs2_journal_access_eb(handle, INODE_CACHE(inode), last_eb_bh,
-						 OCFS2_JOURNAL_ACCESS_WRITE);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
-
-		last_eb = (struct ocfs2_extent_block *) last_eb_bh->b_data;
-	}
-
-	el = &(fe->id2.i_list);
-
-	/*
-	 * Lower levels depend on this never happening, but it's best
-	 * to check it up here before changing the tree.
-	 */
-	if (el->l_tree_depth && el->l_recs[0].e_int_clusters == 0) {
-		ocfs2_error(inode->i_sb,
-			    "Inode %lu has an empty extent record, depth %u\n",
-			    inode->i_ino, le16_to_cpu(el->l_tree_depth));
-		status = -EROFS;
-		goto bail;
-	}
-
-	dquot_free_space_nodirty(inode,
-			ocfs2_clusters_to_bytes(osb->sb, clusters_to_del));
-	spin_lock(&OCFS2_I(inode)->ip_lock);
-	OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters) -
-				      clusters_to_del;
-	spin_unlock(&OCFS2_I(inode)->ip_lock);
-	le32_add_cpu(&fe->i_clusters, -clusters_to_del);
-	inode->i_blocks = ocfs2_inode_sector_count(inode);
-
-	status = ocfs2_trim_tree(inode, path, handle, tc,
-				 clusters_to_del, &delete_blk, &rec_flags);
-	if (status) {
-		mlog_errno(status);
-		goto bail;
-	}
-
-	if (le32_to_cpu(fe->i_clusters) == 0) {
-		/* trunc to zero is a special case. */
-		el->l_tree_depth = 0;
-		fe->i_last_eb_blk = 0;
-	} else if (last_eb)
-		fe->i_last_eb_blk = last_eb->h_blkno;
-
-	ocfs2_journal_dirty(handle, fe_bh);
-
-	if (last_eb) {
-		/* If there will be a new last extent block, then by
-		 * definition, there cannot be any leaves to the right of
-		 * him. */
-		last_eb->h_next_leaf_blk = 0;
-		ocfs2_journal_dirty(handle, last_eb_bh);
-	}
-
-	if (delete_blk) {
-		if (rec_flags & OCFS2_EXT_REFCOUNTED)
-			status = ocfs2_decrease_refcount(inode, handle,
-					ocfs2_blocks_to_clusters(osb->sb,
-								 delete_blk),
-					clusters_to_del, meta_ac,
-					&tc->tc_dealloc, 1);
-		else
-			status = ocfs2_truncate_log_append(osb, handle,
-							   delete_blk,
-							   clusters_to_del);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
-	}
-	status = 0;
-bail:
-	brelse(last_eb_bh);
-	mlog_exit(status);
-	return status;
-}
-
 static int ocfs2_zero_func(handle_t *handle, struct buffer_head *bh)
 {
 	set_buffer_uptodate(bh);
@@ -7300,26 +6982,29 @@ out:
  */
 int ocfs2_commit_truncate(struct ocfs2_super *osb,
 			  struct inode *inode,
-			  struct buffer_head *fe_bh,
-			  struct ocfs2_truncate_context *tc)
+			  struct buffer_head *di_bh)
 {
-	int status, i, credits, tl_sem = 0;
-	u32 clusters_to_del, new_highest_cpos, range;
+	int status = 0, i, flags = 0;
+	u32 new_highest_cpos, range, trunc_cpos, trunc_len, phys_cpos, coff;
 	u64 blkno = 0;
 	struct ocfs2_extent_list *el;
-	handle_t *handle = NULL;
-	struct inode *tl_inode = osb->osb_tl_inode;
+	struct ocfs2_extent_rec *rec;
 	struct ocfs2_path *path = NULL;
-	struct ocfs2_dinode *di = (struct ocfs2_dinode *)fe_bh->b_data;
-	struct ocfs2_alloc_context *meta_ac = NULL;
-	struct ocfs2_refcount_tree *ref_tree = NULL;
+	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
+	struct ocfs2_extent_list *root_el = &(di->id2.i_list);
+	u64 refcount_loc = le64_to_cpu(di->i_refcount_loc);
+	struct ocfs2_extent_tree et;
+	struct ocfs2_cached_dealloc_ctxt dealloc;
 
 	mlog_entry_void();
 
+	ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), di_bh);
+	ocfs2_init_dealloc_ctxt(&dealloc);
+
 	new_highest_cpos = ocfs2_clusters_for_bytes(osb->sb,
 						     i_size_read(inode));
 
-	path = ocfs2_new_path(fe_bh, &di->id2.i_list,
+	path = ocfs2_new_path(di_bh, &di->id2.i_list,
 			      ocfs2_journal_access_di);
 	if (!path) {
 		status = -ENOMEM;
@@ -7338,8 +7023,6 @@ start:
 		goto bail;
 	}
 
-	credits = 0;
-
 	/*
 	 * Truncate always works against the rightmost tree branch.
 	 */
@@ -7374,101 +7057,62 @@ start:
 	}
 
 	i = le16_to_cpu(el->l_next_free_rec) - 1;
-	range = le32_to_cpu(el->l_recs[i].e_cpos) +
-		ocfs2_rec_clusters(el, &el->l_recs[i]);
-	if (i == 0 && ocfs2_is_empty_extent(&el->l_recs[i])) {
-		clusters_to_del = 0;
-	} else if (le32_to_cpu(el->l_recs[i].e_cpos) >= new_highest_cpos) {
-		clusters_to_del = ocfs2_rec_clusters(el, &el->l_recs[i]);
-		blkno = le64_to_cpu(el->l_recs[i].e_blkno);
+	rec = &el->l_recs[i];
+	flags = rec->e_flags;
+	range = le32_to_cpu(rec->e_cpos) + ocfs2_rec_clusters(el, rec);
+
+	if (i == 0 && ocfs2_is_empty_extent(rec)) {
+		/*
+		 * Lower levels depend on this never happening, but it's best
+		 * to check it up here before changing the tree.
+		*/
+		if (root_el->l_tree_depth && rec->e_int_clusters == 0) {
+			ocfs2_error(inode->i_sb, "Inode %lu has an empty "
+				    "extent record, depth %u\n", inode->i_ino,
+				    le16_to_cpu(root_el->l_tree_depth));
+			status = -EROFS;
+			goto bail;
+		}
+		trunc_cpos = le32_to_cpu(rec->e_cpos);
+		trunc_len = 0;
+		blkno = 0;
+	} else if (le32_to_cpu(rec->e_cpos) >= new_highest_cpos) {
+		/*
+		 * Truncate entire record.
+		 */
+		trunc_cpos = le32_to_cpu(rec->e_cpos);
+		trunc_len = ocfs2_rec_clusters(el, rec);
+		blkno = le64_to_cpu(rec->e_blkno);
 	} else if (range > new_highest_cpos) {
-		clusters_to_del = (ocfs2_rec_clusters(el, &el->l_recs[i]) +
-				   le32_to_cpu(el->l_recs[i].e_cpos)) -
-				  new_highest_cpos;
-		blkno = le64_to_cpu(el->l_recs[i].e_blkno) +
-			ocfs2_clusters_to_blocks(inode->i_sb,
-				ocfs2_rec_clusters(el, &el->l_recs[i]) -
-				clusters_to_del);
+		/*
+		 * Partial truncate. it also should be
+		 * the last truncate we're doing.
+		 */
+		trunc_cpos = new_highest_cpos;
+		trunc_len = range - new_highest_cpos;
+		coff = new_highest_cpos - le32_to_cpu(rec->e_cpos);
+		blkno = le64_to_cpu(rec->e_blkno) +
+				ocfs2_clusters_to_blocks(inode->i_sb, coff);
 	} else {
+		/*
+		 * Truncate completed, leave happily.
+		 */
 		status = 0;
 		goto bail;
 	}
 
-	mlog(0, "clusters_to_del = %u in this pass, tail blk=%llu\n",
-	     clusters_to_del, (unsigned long long)path_leaf_bh(path)->b_blocknr);
+	phys_cpos = ocfs2_blocks_to_clusters(inode->i_sb, blkno);
 
-	if (el->l_recs[i].e_flags & OCFS2_EXT_REFCOUNTED && clusters_to_del) {
-		BUG_ON(!(OCFS2_I(inode)->ip_dyn_features &
-			 OCFS2_HAS_REFCOUNT_FL));
-
-		status = ocfs2_lock_refcount_tree(osb,
-						le64_to_cpu(di->i_refcount_loc),
-						1, &ref_tree, NULL);
-		if (status) {
-			mlog_errno(status);
-			goto bail;
-		}
-
-		status = ocfs2_prepare_refcount_change_for_del(inode, fe_bh,
-							       blkno,
-							       clusters_to_del,
-							       &credits,
-							       &meta_ac);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
-	}
-
-	mutex_lock(&tl_inode->i_mutex);
-	tl_sem = 1;
-	/* ocfs2_truncate_log_needs_flush guarantees us at least one
-	 * record is free for use. If there isn't any, we flush to get
-	 * an empty truncate log.  */
-	if (ocfs2_truncate_log_needs_flush(osb)) {
-		status = __ocfs2_flush_truncate_log(osb);
-		if (status < 0) {
-			mlog_errno(status);
-			goto bail;
-		}
-	}
-
-	credits += ocfs2_calc_tree_trunc_credits(osb->sb, clusters_to_del,
-						(struct ocfs2_dinode *)fe_bh->b_data,
-						el);
-	handle = ocfs2_start_trans(osb, credits);
-	if (IS_ERR(handle)) {
-		status = PTR_ERR(handle);
-		handle = NULL;
-		mlog_errno(status);
-		goto bail;
-	}
-
-	status = ocfs2_do_truncate(osb, clusters_to_del, inode, fe_bh, handle,
-				   tc, path, meta_ac);
+	status = ocfs2_remove_btree_range(inode, &et, trunc_cpos,
+					  phys_cpos, trunc_len, flags, &dealloc,
+					  refcount_loc);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 
-	mutex_unlock(&tl_inode->i_mutex);
-	tl_sem = 0;
-
-	ocfs2_commit_trans(osb, handle);
-	handle = NULL;
-
 	ocfs2_reinit_path(path, 1);
 
-	if (meta_ac) {
-		ocfs2_free_alloc_context(meta_ac);
-		meta_ac = NULL;
-	}
-
-	if (ref_tree) {
-		ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
-		ref_tree = NULL;
-	}
-
 	/*
 	 * The check above will catch the case where we've truncated
 	 * away all allocation.
@@ -7479,25 +7123,10 @@ bail:
 
 	ocfs2_schedule_truncate_log_flush(osb, 1);
 
-	if (tl_sem)
-		mutex_unlock(&tl_inode->i_mutex);
-
-	if (handle)
-		ocfs2_commit_trans(osb, handle);
-
-	if (meta_ac)
-		ocfs2_free_alloc_context(meta_ac);
-
-	if (ref_tree)
-		ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
-
-	ocfs2_run_deallocs(osb, &tc->tc_dealloc);
+	ocfs2_run_deallocs(osb, &dealloc);
 
 	ocfs2_free_path(path);
 
-	/* This will drop the ext_alloc cluster lock for us */
-	ocfs2_free_truncate_context(tc);
-
 	mlog_exit(status);
 	return status;
 }
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index 1db4359ccb9..4fb9882ed2d 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -140,8 +140,9 @@ int ocfs2_remove_extent(handle_t *handle, struct ocfs2_extent_tree *et,
 			struct ocfs2_cached_dealloc_ctxt *dealloc);
 int ocfs2_remove_btree_range(struct inode *inode,
 			     struct ocfs2_extent_tree *et,
-			     u32 cpos, u32 phys_cpos, u32 len,
-			     struct ocfs2_cached_dealloc_ctxt *dealloc);
+			     u32 cpos, u32 phys_cpos, u32 len, int flags,
+			     struct ocfs2_cached_dealloc_ctxt *dealloc,
+			     u64 refcount_loc);
 
 int ocfs2_num_free_extents(struct ocfs2_super *osb,
 			   struct ocfs2_extent_tree *et);
@@ -233,8 +234,7 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb,
 			   struct ocfs2_truncate_context **tc);
 int ocfs2_commit_truncate(struct ocfs2_super *osb,
 			  struct inode *inode,
-			  struct buffer_head *fe_bh,
-			  struct ocfs2_truncate_context *tc);
+			  struct buffer_head *di_bh);
 int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
 			  unsigned int start, unsigned int end, int trunc);
 
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 6c9a28a2d3a..4a75c2e2f85 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -4526,8 +4526,8 @@ int ocfs2_dx_dir_truncate(struct inode *dir, struct buffer_head *di_bh)
 
 		p_cpos = ocfs2_blocks_to_clusters(dir->i_sb, blkno);
 
-		ret = ocfs2_remove_btree_range(dir, &et, cpos, p_cpos, clen,
-					       &dealloc);
+		ret = ocfs2_remove_btree_range(dir, &et, cpos, p_cpos, clen, 0,
+					       &dealloc, 0);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 19d16f2ef81..4c7a4d8ed32 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -444,7 +444,6 @@ static int ocfs2_truncate_file(struct inode *inode,
 	int status = 0;
 	struct ocfs2_dinode *fe = NULL;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	struct ocfs2_truncate_context *tc = NULL;
 
 	mlog_entry("(inode = %llu, new_i_size = %llu\n",
 		   (unsigned long long)OCFS2_I(inode)->ip_blkno,
@@ -515,13 +514,7 @@ static int ocfs2_truncate_file(struct inode *inode,
 		goto bail_unlock_sem;
 	}
 
-	status = ocfs2_prepare_truncate(osb, inode, di_bh, &tc);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail_unlock_sem;
-	}
-
-	status = ocfs2_commit_truncate(osb, inode, di_bh, tc);
+	status = ocfs2_commit_truncate(osb, inode, di_bh);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail_unlock_sem;
@@ -1494,7 +1487,7 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 		if (phys_cpos != 0) {
 			ret = ocfs2_remove_btree_range(inode, &et, cpos,
 						       phys_cpos, alloc_size,
-						       &dealloc);
+						       0, &dealloc, 0);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index b7650ccd76d..9a17251f3d9 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -544,7 +544,6 @@ static int ocfs2_truncate_for_delete(struct ocfs2_super *osb,
 				     struct buffer_head *fe_bh)
 {
 	int status = 0;
-	struct ocfs2_truncate_context *tc = NULL;
 	struct ocfs2_dinode *fe;
 	handle_t *handle = NULL;
 
@@ -586,13 +585,7 @@ static int ocfs2_truncate_for_delete(struct ocfs2_super *osb,
 		ocfs2_commit_trans(osb, handle);
 		handle = NULL;
 
-		status = ocfs2_prepare_truncate(osb, inode, fe_bh, &tc);
-		if (status < 0) {
-			mlog_errno(status);
-			goto out;
-		}
-
-		status = ocfs2_commit_truncate(osb, inode, fe_bh, tc);
+		status = ocfs2_commit_truncate(osb, inode, fe_bh);
 		if (status < 0) {
 			mlog_errno(status);
 			goto out;
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 33dd2a18cb7..6fab28921f3 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -2509,20 +2509,19 @@ out:
  *
  * Normally the refcount blocks store these refcount should be
  * contiguous also, so that we can get the number easily.
- * As for meta_ac, we will at most add split 2 refcount record and
- * 2 more refcount block, so just check it in a rough way.
+ * We will at most add split 2 refcount records and 2 more
+ * refcount blocks, so just check it in a rough way.
  *
  * Caller must hold refcount tree lock.
  */
 int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
-					  struct buffer_head *di_bh,
+					  u64 refcount_loc,
 					  u64 phys_blkno,
 					  u32 clusters,
 					  int *credits,
-					  struct ocfs2_alloc_context **meta_ac)
+					  int *ref_blocks)
 {
-	int ret, ref_blocks = 0;
-	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
+	int ret;
 	struct ocfs2_inode_info *oi = OCFS2_I(inode);
 	struct buffer_head *ref_root_bh = NULL;
 	struct ocfs2_refcount_tree *tree;
@@ -2539,14 +2538,13 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
 	BUG_ON(!(oi->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL));
 
 	ret = ocfs2_get_refcount_tree(OCFS2_SB(inode->i_sb),
-				      le64_to_cpu(di->i_refcount_loc), &tree);
+				      refcount_loc, &tree);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_read_refcount_block(&tree->rf_ci,
-					le64_to_cpu(di->i_refcount_loc),
+	ret = ocfs2_read_refcount_block(&tree->rf_ci, refcount_loc,
 					&ref_root_bh);
 	if (ret) {
 		mlog_errno(ret);
@@ -2557,21 +2555,14 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
 					       &tree->rf_ci,
 					       ref_root_bh,
 					       start_cpos, clusters,
-					       &ref_blocks, credits);
+					       ref_blocks, credits);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	mlog(0, "reserve new metadata %d, credits = %d\n",
-	     ref_blocks, *credits);
-
-	if (ref_blocks) {
-		ret = ocfs2_reserve_new_metadata_blocks(OCFS2_SB(inode->i_sb),
-							ref_blocks, meta_ac);
-		if (ret)
-			mlog_errno(ret);
-	}
+	mlog(0, "reserve new metadata %d blocks, credits = %d\n",
+	     *ref_blocks, *credits);
 
 out:
 	brelse(ref_root_bh);
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h
index c1d19b1d3ec..9983ba1570e 100644
--- a/fs/ocfs2/refcounttree.h
+++ b/fs/ocfs2/refcounttree.h
@@ -47,11 +47,11 @@ int ocfs2_decrease_refcount(struct inode *inode,
 			    struct ocfs2_cached_dealloc_ctxt *dealloc,
 			    int delete);
 int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
-					  struct buffer_head *di_bh,
+					  u64 refcount_loc,
 					  u64 phys_blkno,
 					  u32 clusters,
 					  int *credits,
-					  struct ocfs2_alloc_context **meta_ac);
+					  int *ref_blocks);
 int ocfs2_refcount_cow(struct inode *inode, struct buffer_head *di_bh,
 		       u32 cpos, u32 write_len, u32 max_cpos);
 

From e8aec068ecb1957630816cfa2c150c6b3ddd1790 Mon Sep 17 00:00:00 2001
From: Tristan Ye <tristan.ye@oracle.com>
Date: Tue, 11 May 2010 17:54:43 +0800
Subject: [PATCH 2012/3638] Ocfs2: Fix hole punching to correctly do CoW during
 cluster zeroing.

Based on the previous patch of optimizing truncate, the bugfix for
refcount trees when punching holes can be fairly easy
and straightforward since most of work we should take into account for
refcounting have been completed already in ocfs2_remove_btree_range().

This patch performs CoW for refcounted extents when a hole being punched
whose start or end offset were in the middle of a cluster, which means
partial zeroing of the cluster will be performed soon.

The patch has been tested fixing the following bug:

http://oss.oracle.com/bugzilla/show_bug.cgi?id=1216

Signed-off-by: Tristan Ye <tristan.ye@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/file.c | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 4c7a4d8ed32..3346e5b199d 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1422,12 +1422,14 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 				    struct buffer_head *di_bh, u64 byte_start,
 				    u64 byte_len)
 {
-	int ret = 0;
+	int ret = 0, flags = 0;
 	u32 trunc_start, trunc_len, cpos, phys_cpos, alloc_size;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_cached_dealloc_ctxt dealloc;
 	struct address_space *mapping = inode->i_mapping;
 	struct ocfs2_extent_tree et;
+	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
+	u64 refcount_loc = le64_to_cpu(di->i_refcount_loc);
 
 	ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), di_bh);
 	ocfs2_init_dealloc_ctxt(&dealloc);
@@ -1453,6 +1455,27 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 		goto out;
 	}
 
+	/*
+	 * For reflinks, we may need to CoW 2 clusters which might be
+	 * partially zero'd later, if hole's start and end offset were
+	 * within one cluster(means is not exactly aligned to clustersize).
+	 */
+
+	if (OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL) {
+
+		ret = ocfs2_cow_file_pos(inode, di_bh, byte_start);
+		if (ret) {
+			mlog_errno(ret);
+			goto out;
+		}
+
+		ret = ocfs2_cow_file_pos(inode, di_bh, byte_start + byte_len);
+		if (ret) {
+			mlog_errno(ret);
+			goto out;
+		}
+	}
+
 	trunc_start = ocfs2_clusters_for_bytes(osb->sb, byte_start);
 	trunc_len = (byte_start + byte_len) >> osb->s_clustersize_bits;
 	if (trunc_len >= trunc_start)
@@ -1474,7 +1497,7 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 	cpos = trunc_start;
 	while (trunc_len) {
 		ret = ocfs2_get_clusters(inode, cpos, &phys_cpos,
-					 &alloc_size, NULL);
+					 &alloc_size, &flags);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -1487,7 +1510,8 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 		if (phys_cpos != 0) {
 			ret = ocfs2_remove_btree_range(inode, &et, cpos,
 						       phys_cpos, alloc_size,
-						       0, &dealloc, 0);
+						       flags, &dealloc,
+						       refcount_loc);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;

From ee149a7c6cbaee0e3a1a7d9e9f92711228ef5236 Mon Sep 17 00:00:00 2001
From: Tristan Ye <tristan.ye@oracle.com>
Date: Tue, 11 May 2010 17:54:44 +0800
Subject: [PATCH 2013/3638] Ocfs2: Make ocfs2_find_cpos_for_left_leaf() public.

The original idea to pull ocfs2_find_cpos_for_left_leaf() out of
alloc.c is to benefit punching-holes optimization patch, it however,
can also be referred by other funcs in the future who want to do the
same job.

Signed-off-by: Tristan Ye <tristan.ye@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/alloc.c | 4 ++--
 fs/ocfs2/alloc.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 0cb4248e03c..7e9cb753fba 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -2209,8 +2209,8 @@ out:
  *
  * Will return zero if the path passed in is already the leftmost path.
  */
-static int ocfs2_find_cpos_for_left_leaf(struct super_block *sb,
-					 struct ocfs2_path *path, u32 *cpos)
+int ocfs2_find_cpos_for_left_leaf(struct super_block *sb,
+				  struct ocfs2_path *path, u32 *cpos)
 {
 	int i, j, ret = 0;
 	u64 blkno;
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index 4fb9882ed2d..a55a27bb96a 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -319,6 +319,8 @@ int ocfs2_journal_access_path(struct ocfs2_caching_info *ci,
 			      struct ocfs2_path *path);
 int ocfs2_find_cpos_for_right_leaf(struct super_block *sb,
 				   struct ocfs2_path *path, u32 *cpos);
+int ocfs2_find_cpos_for_left_leaf(struct super_block *sb,
+				  struct ocfs2_path *path, u32 *cpos);
 int ocfs2_find_subtree_root(struct ocfs2_extent_tree *et,
 			    struct ocfs2_path *left,
 			    struct ocfs2_path *right);

From c1631d4a484fbb498e35d661f1aebd64c86b66bf Mon Sep 17 00:00:00 2001
From: Tristan Ye <tristan.ye@oracle.com>
Date: Tue, 11 May 2010 17:54:45 +0800
Subject: [PATCH 2014/3638] Ocfs2: Optimize punching-hole code.

This patch simplifies the logic of handling existing holes and
skipping extent blocks and removes some confusing comments.

The patch survived the fill_verify_holes testcase in ocfs2-test.
It also passed my manual sanity check and stress tests with enormous
extent records.

Currently punching a hole on a file with 3+ extent tree depth was
really a performance disaster.  It can even take several hours,
though we may not hit this in real life with such a huge extent
number.

One simple way to improve the performance is quite straightforward.
From the logic of truncate, we can punch the hole from hole_end to
hole_start, which reduces the overhead of btree operations in a
significant way, such as tree rotation and moving.

Following is the testing result when punching hole from 0 to file end
in bytes, on a 1G file, 1G file consists of 256k extent records, each record
cover 4k data(just one cluster, clustersize is 4k):

===========================================================================
 * Original punching-hole mechanism:
===========================================================================

   I waited 1 hour for its completion, unfortunately it's still ongoing.

===========================================================================
 * Patched punching-hode mechanism:
===========================================================================

   real 0m2.518s
   user 0m0.000s
   sys  0m2.445s

That means we've gained up to 1000 times improvement on performance in this
case, whee! It's fairly cool. and it looks like that performance gain will
be raising when extent records grow.

The patch was based on my former 2 patches, which were about truncating
codes optimization and fixup to handle CoW on punching hole.

Signed-off-by: Tristan Ye <tristan.ye@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/file.c | 164 +++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 140 insertions(+), 24 deletions(-)

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 3346e5b199d..9c1047c2e44 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1418,18 +1418,90 @@ out:
 	return ret;
 }
 
+static int ocfs2_find_rec(struct ocfs2_extent_list *el, u32 pos)
+{
+	int i;
+	struct ocfs2_extent_rec *rec = NULL;
+
+	for (i = le16_to_cpu(el->l_next_free_rec) - 1; i >= 0; i--) {
+
+		rec = &el->l_recs[i];
+
+		if (le32_to_cpu(rec->e_cpos) < pos)
+			break;
+	}
+
+	return i;
+}
+
+/*
+ * Helper to calculate the punching pos and length in one run, we handle the
+ * following three cases in order:
+ *
+ * - remove the entire record
+ * - remove a partial record
+ * - no record needs to be removed (hole-punching completed)
+*/
+static void ocfs2_calc_trunc_pos(struct inode *inode,
+				 struct ocfs2_extent_list *el,
+				 struct ocfs2_extent_rec *rec,
+				 u32 trunc_start, u32 *trunc_cpos,
+				 u32 *trunc_len, u32 *trunc_end,
+				 u64 *blkno, int *done)
+{
+	int ret = 0;
+	u32 coff, range;
+
+	range = le32_to_cpu(rec->e_cpos) + ocfs2_rec_clusters(el, rec);
+
+	if (le32_to_cpu(rec->e_cpos) >= trunc_start) {
+		*trunc_cpos = le32_to_cpu(rec->e_cpos);
+		/*
+		 * Skip holes if any.
+		 */
+		if (range < *trunc_end)
+			*trunc_end = range;
+		*trunc_len = *trunc_end - le32_to_cpu(rec->e_cpos);
+		*blkno = le64_to_cpu(rec->e_blkno);
+		*trunc_end = le32_to_cpu(rec->e_cpos);
+	} else if (range > trunc_start) {
+		*trunc_cpos = trunc_start;
+		*trunc_len = *trunc_end - trunc_start;
+		coff = trunc_start - le32_to_cpu(rec->e_cpos);
+		*blkno = le64_to_cpu(rec->e_blkno) +
+				ocfs2_clusters_to_blocks(inode->i_sb, coff);
+		*trunc_end = trunc_start;
+	} else {
+		/*
+		 * It may have two following possibilities:
+		 *
+		 * - last record has been removed
+		 * - trunc_start was within a hole
+		 *
+		 * both two cases mean the completion of hole punching.
+		 */
+		ret = 1;
+	}
+
+	*done = ret;
+}
+
 static int ocfs2_remove_inode_range(struct inode *inode,
 				    struct buffer_head *di_bh, u64 byte_start,
 				    u64 byte_len)
 {
-	int ret = 0, flags = 0;
-	u32 trunc_start, trunc_len, cpos, phys_cpos, alloc_size;
+	int ret = 0, flags = 0, done = 0, i;
+	u32 trunc_start, trunc_len, trunc_end, trunc_cpos, phys_cpos;
+	u32 cluster_in_el;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_cached_dealloc_ctxt dealloc;
 	struct address_space *mapping = inode->i_mapping;
 	struct ocfs2_extent_tree et;
+	struct ocfs2_path *path = NULL;
+	struct ocfs2_extent_list *el = NULL;
+	struct ocfs2_extent_rec *rec = NULL;
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
-	u64 refcount_loc = le64_to_cpu(di->i_refcount_loc);
+	u64 blkno, refcount_loc = le64_to_cpu(di->i_refcount_loc);
 
 	ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), di_bh);
 	ocfs2_init_dealloc_ctxt(&dealloc);
@@ -1477,16 +1549,13 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 	}
 
 	trunc_start = ocfs2_clusters_for_bytes(osb->sb, byte_start);
-	trunc_len = (byte_start + byte_len) >> osb->s_clustersize_bits;
-	if (trunc_len >= trunc_start)
-		trunc_len -= trunc_start;
-	else
-		trunc_len = 0;
+	trunc_end = (byte_start + byte_len) >> osb->s_clustersize_bits;
+	cluster_in_el = trunc_end;
 
-	mlog(0, "Inode: %llu, start: %llu, len: %llu, cstart: %u, clen: %u\n",
+	mlog(0, "Inode: %llu, start: %llu, len: %llu, cstart: %u, cend: %u\n",
 	     (unsigned long long)OCFS2_I(inode)->ip_blkno,
 	     (unsigned long long)byte_start,
-	     (unsigned long long)byte_len, trunc_start, trunc_len);
+	     (unsigned long long)byte_len, trunc_start, trunc_end);
 
 	ret = ocfs2_zero_partial_clusters(inode, byte_start, byte_len);
 	if (ret) {
@@ -1494,32 +1563,79 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 		goto out;
 	}
 
-	cpos = trunc_start;
-	while (trunc_len) {
-		ret = ocfs2_get_clusters(inode, cpos, &phys_cpos,
-					 &alloc_size, &flags);
+	path = ocfs2_new_path_from_et(&et);
+	if (!path) {
+		ret = -ENOMEM;
+		mlog_errno(ret);
+		goto out;
+	}
+
+	while (trunc_end > trunc_start) {
+
+		ret = ocfs2_find_path(INODE_CACHE(inode), path,
+				      cluster_in_el);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
 
-		if (alloc_size > trunc_len)
-			alloc_size = trunc_len;
+		el = path_leaf_el(path);
 
-		/* Only do work for non-holes */
-		if (phys_cpos != 0) {
-			ret = ocfs2_remove_btree_range(inode, &et, cpos,
-						       phys_cpos, alloc_size,
-						       flags, &dealloc,
-						       refcount_loc);
+		i = ocfs2_find_rec(el, trunc_end);
+		/*
+		 * Need to go to previous extent block.
+		 */
+		if (i < 0) {
+			if (path->p_tree_depth == 0)
+				break;
+
+			ret = ocfs2_find_cpos_for_left_leaf(inode->i_sb,
+							    path,
+							    &cluster_in_el);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
 			}
+
+			/*
+			 * We've reached the leftmost extent block,
+			 * it's safe to leave.
+			 */
+			if (cluster_in_el == 0)
+				break;
+
+			/*
+			 * The 'pos' searched for previous extent block is
+			 * always one cluster less than actual trunc_end.
+			 */
+			trunc_end = cluster_in_el + 1;
+
+			ocfs2_reinit_path(path, 1);
+
+			continue;
+
+		} else
+			rec = &el->l_recs[i];
+
+		ocfs2_calc_trunc_pos(inode, el, rec, trunc_start, &trunc_cpos,
+				     &trunc_len, &trunc_end, &blkno, &done);
+		if (done)
+			break;
+
+		flags = rec->e_flags;
+		phys_cpos = ocfs2_blocks_to_clusters(inode->i_sb, blkno);
+
+		ret = ocfs2_remove_btree_range(inode, &et, trunc_cpos,
+					       phys_cpos, trunc_len, flags,
+					       &dealloc, refcount_loc);
+		if (ret < 0) {
+			mlog_errno(ret);
+			goto out;
 		}
 
-		cpos += alloc_size;
-		trunc_len -= alloc_size;
+		cluster_in_el = trunc_end;
+
+		ocfs2_reinit_path(path, 1);
 	}
 
 	ocfs2_truncate_cluster_pages(inode, byte_start, byte_len);

From 3914ed0cec6532ab4feb202424fc95ad05024497 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 11 May 2010 20:28:14 +0200
Subject: [PATCH 2015/3638] fs/ocfs2/dlm: Drop memory allocation cast

Drop cast on the result of kmalloc and similar functions.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
@@

- (T *)
  (\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|
   kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...))
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/dlm/dlmlock.c   |  2 +-
 fs/ocfs2/dlm/dlmmaster.c | 18 ++++++------------
 2 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index f1fba2a6a8f..69cf369961c 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -431,7 +431,7 @@ struct dlm_lock * dlm_new_lock(int type, u8 node, u64 cookie,
 	struct dlm_lock *lock;
 	int kernel_allocated = 0;
 
-	lock = (struct dlm_lock *) kmem_cache_zalloc(dlm_lock_cache, GFP_NOFS);
+	lock = kmem_cache_zalloc(dlm_lock_cache, GFP_NOFS);
 	if (!lock)
 		return NULL;
 
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 3114de2e74c..b01e34819a0 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -617,13 +617,11 @@ struct dlm_lock_resource *dlm_new_lockres(struct dlm_ctxt *dlm,
 {
 	struct dlm_lock_resource *res = NULL;
 
-	res = (struct dlm_lock_resource *)
-				kmem_cache_zalloc(dlm_lockres_cache, GFP_NOFS);
+	res = kmem_cache_zalloc(dlm_lockres_cache, GFP_NOFS);
 	if (!res)
 		goto error;
 
-	res->lockname.name = (char *)
-				kmem_cache_zalloc(dlm_lockname_cache, GFP_NOFS);
+	res->lockname.name = kmem_cache_zalloc(dlm_lockname_cache, GFP_NOFS);
 	if (!res->lockname.name)
 		goto error;
 
@@ -757,8 +755,7 @@ lookup:
 		spin_unlock(&dlm->spinlock);
 		mlog(0, "allocating a new resource\n");
 		/* nothing found and we need to allocate one. */
-		alloc_mle = (struct dlm_master_list_entry *)
-			kmem_cache_alloc(dlm_mle_cache, GFP_NOFS);
+		alloc_mle = kmem_cache_alloc(dlm_mle_cache, GFP_NOFS);
 		if (!alloc_mle)
 			goto leave;
 		res = dlm_new_lockres(dlm, lockid, namelen);
@@ -1542,8 +1539,7 @@ way_up_top:
 			spin_unlock(&dlm->master_lock);
 			spin_unlock(&dlm->spinlock);
 
-			mle = (struct dlm_master_list_entry *)
-				kmem_cache_alloc(dlm_mle_cache, GFP_NOFS);
+			mle = kmem_cache_alloc(dlm_mle_cache, GFP_NOFS);
 			if (!mle) {
 				response = DLM_MASTER_RESP_ERROR;
 				mlog_errno(-ENOMEM);
@@ -2458,8 +2454,7 @@ static int dlm_migrate_lockres(struct dlm_ctxt *dlm,
 		goto leave;
 	}
 
-	mle = (struct dlm_master_list_entry *) kmem_cache_alloc(dlm_mle_cache,
-								GFP_NOFS);
+	mle = kmem_cache_alloc(dlm_mle_cache, GFP_NOFS);
 	if (!mle) {
 		mlog_errno(ret);
 		goto leave;
@@ -3041,8 +3036,7 @@ int dlm_migrate_request_handler(struct o2net_msg *msg, u32 len, void *data,
 	hash = dlm_lockid_hash(name, namelen);
 
 	/* preallocate.. if this fails, abort */
-	mle = (struct dlm_master_list_entry *) kmem_cache_alloc(dlm_mle_cache,
-							 GFP_NOFS);
+	mle = kmem_cache_alloc(dlm_mle_cache, GFP_NOFS);
 
 	if (!mle) {
 		ret = -ENOMEM;

From 316ce2ba8e74a7bb9153b9f93adc883cb1ceb9fd Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Fri, 14 May 2010 21:30:48 +0200
Subject: [PATCH 2016/3638] fs/ocfs2/dlm: Use kstrdup

Use kstrdup when the goal of an allocation is copy a string into the
allocated region.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to;
expression flag,E1,E2;
statement S;
@@

-  to = kmalloc(strlen(from) + 1,flag);
+  to = kstrdup(from, flag);
   ... when != \(from = E1 \| to = E1 \)
   if (to==NULL || ...) S
   ... when != \(from = E2 \| to = E2 \)
-  strcpy(to, from);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/dlm/dlmdomain.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index e82c0537eff..6b5a492e174 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -1523,7 +1523,7 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain,
 		goto leave;
 	}
 
-	dlm->name = kmalloc(strlen(domain) + 1, GFP_KERNEL);
+	dlm->name = kstrdup(domain, GFP_KERNEL);
 	if (dlm->name == NULL) {
 		mlog_errno(-ENOMEM);
 		kfree(dlm);
@@ -1557,7 +1557,6 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain,
 	for (i = 0; i < DLM_HASH_BUCKETS; i++)
 		INIT_HLIST_HEAD(dlm_master_hash(dlm, i));
 
-	strcpy(dlm->name, domain);
 	dlm->key = key;
 	dlm->node_num = o2nm_this_node();
 

From f1d7dbbef51a624ff0ec76f022802d677fdb9888 Mon Sep 17 00:00:00 2001
From: Alexander Kurz <linux@kbdbabel.org>
Date: Sat, 8 May 2010 12:21:45 +0400
Subject: [PATCH 2017/3638] Staging: comedi: new Kconfig and Makefiles, drivers
 grouped by bustype.

PC/104-drivers went into ISA,
PC/104+ went into PCI,
Drivers without a bustype went into "misc".
In doubt drivers supporting both ISA/PCI went into PCI.
Drivers without any detailed hardware info went into ISA, e.g. fl512.c
Some NI drivers are used by other NI drivers from different bustypes
are grouped seperately in NI_COMMON.

[tweaked by gregkh to handle the new driver recently added]

Signed-off-by: Alexander Kurz <linux@kbdbabel.org>
Acked-by: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@speakeasy.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/Kconfig             | 1283 +++++++++++++++++++-
 drivers/staging/comedi/drivers/Makefile    |  247 ++--
 drivers/staging/comedi/kcomedilib/Makefile |    2 +-
 3 files changed, 1402 insertions(+), 130 deletions(-)

diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index d63c889ce55..283ea0ceddf 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -9,27 +9,1296 @@ config COMEDI
 config COMEDI_DEBUG
 	bool "Comedi debugging"
 	depends on COMEDI != n
-	help
+	---help---
 	  This is an option for use by developers; most people should
 	  say N here. This enables comedi core and driver debugging.
 
-config COMEDI_PCI_DRIVERS
+menuconfig COMEDI_MISC_DRIVERS
+	tristate "Comedi misc drivers"
+	depends on COMEDI
+	default N
+	---help---
+	  Enable comedi misc drivers to be built
+
+	  Note that the answer to this question won't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about misc non-hardware comedi drivers.
+
+if COMEDI_MISC_DRIVERS
+
+config COMEDI_KCOMEDILIB
+	tristate "Comedi kcomedilib"
+	---help---
+	  Build the kcomedilib
+
+config COMEDI_BOND
+	tristate "Device bonding support"
+	depends on COMEDI_KCOMEDILIB
+	default N
+	---help---
+	  Enable support for a driver to 'bond' (merge) multiple subdevices
+	  from multiple devices together as one.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called comedi_bond.
+
+config COMEDI_TEST
+	tristate "Fake waveform generator support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for the fake waveform generator.
+	  This driver is mainly for testing purposes, but can also be used to
+	  generate sample waveforms on systems that don't have data acquisition
+	  hardware.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called comedi_test.
+
+config COMEDI_PARPORT
+	tristate "Parallel port support"
+	depends on PARPORT_PC
+	default N
+	---help---
+	  Enable support for the standard parallel port.
+	  A cheap and easy way to get a few more digital I/O lines. Steal
+	  additional parallel ports from old computers or your neighbors'
+	  computers.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called comedi_parport.
+
+config COMEDI_SERIAL2002
+	tristate "Driver for serial connected hardware"
+	default N
+	---help---
+	  Enable support for serial connected hardware
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called serial2002.
+
+config COMEDI_SKEL
+	tristate "Comedi skeleton driver"
+	default N
+	---help---
+	  Build the Skeleton driver, an example for driver writers
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called skel.
+
+endif # COMEDI_MISC_DRIVERS
+
+menuconfig COMEDI_ISA_DRIVERS
+	tristate "Comedi ISA and PC/104 drivers"
+	depends on COMEDI && ISA
+	default N
+	---help---
+	  Enable comedi ISA and PC/104 drivers to be built
+
+	  Note that the answer to this question won't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about ISA and PC/104 comedi drivers.
+
+if COMEDI_ISA_DRIVERS && ISA
+
+config COMEDI_8255
+	tristate "Generic 8255 support"
+	default N
+	---help---
+	  Enable generic 8255 support.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called 8255.
+
+config COMEDI_ACL7225B
+	tristate "ADlink NuDAQ ACL-7225b and compatibles support"
+	default N
+	---help---
+	  Enable support for ADlink NuDAQ ACL-7225b and compatibles,
+	  ADlink ACL-7225b (acl7225b), ICP P16R16DIO (p16r16dio)
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called acl7225b.
+
+config COMEDI_PCL711
+	tristate "Advantech PCL-711/711b and ADlink ACL-8112 ISA card support"
+	default N
+	---help---
+	  Enable support for Advantech PCL-711 and 711b, ADlink ACL-8112
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcl711.
+
+config COMEDI_PCL724
+	tristate "Advantech PCL-722/724/731 and ADlink ACL-7122/7124/PET-48DIO"
+	default N
+	---help---
+	  Enable support for Advantech PCL-724, PCL-722, PCL-731 and
+	  ADlink ACL-7122, ACL-7124, PET-48DIO ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcl724.
+
+config COMEDI_PCL725
+	tristate "Advantech PCL-725 and compatible ISA card support"
+	default N
+	---help---
+	  Enable support for Advantech PCL-725 and compatible ISA cards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcl725.
+
+config COMEDI_PCL726
+	tristate "Advantech PCL-726 and compatible ISA card support"
+	default N
+	---help---
+	  Enable support for Advantech PCL-726 and compatible ISA cards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcl726.
+
+config COMEDI_PCL730
+	tristate "Advantech PCL-730 and ADlink ACL-7130 ISA card support"
+	default N
+	---help---
+	  Enable support for Advantech PCL-730, ICP ISO-730 and ADlink
+	  ACL-7130 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcl730.
+
+config COMEDI_PCL812
+	tristate "Advantech PCL-812/813 and ADlink ACL-8112/8113/8113/8216"
+	default N
+	---help---
+	  Enable support for Advantech PCL-812/PG, PCL-813/B, ADLink
+	  ACL-8112DG/HG/PG, ACL-8113, ACL-8216, ICP DAS A-821PGH/PGL/PGL-NDA,
+	  A-822PGH/PGL, A-823PGH/PGL, A-826PG and ICP DAS ISO-813 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcl812.
+
+config COMEDI_PCL816
+	tristate "Advantech PCL-814 and PCL-816 ISA card support"
+	default N
+	---help---
+	  Enable support for Advantech PCL-814 and PCL-816 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcl816.
+
+config COMEDI_PCL818
+	tristate "Advantech PCL-718 and PCL-818 ISA card support"
+	default N
+	---help---
+	  Enable support for Advantech PCL-818 ISA cards
+	  PCL-818L, PCL-818H, PCL-818HD, PCL-818HG, PCL-818 and PCL-718
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcl818.
+
+config COMEDI_PCM3724
+	tristate "Advantech PCM-3724 PC/104 card support"
+	default N
+	---help---
+	  Enable support for Advantech PCM-3724 PC/104 cards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcm3724.
+
+config COMEDI_PCM3730
+	tristate "Advantech PCM-3730 and clone PC/104 board support"
+	default N
+	---help---
+	  Enable support for Advantech PCM-3730 and clone PC/104 boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcm3730.
+
+config COMEDI_RTI800
+	tristate "Analog Devices RTI-800/815 ISA card support"
+	default N
+	---help---
+	  Enable support for Analog Devices RTI-800/815 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called rti800.
+
+config COMEDI_RTI802
+	tristate "Analog Devices RTI-802 ISA card support"
+	default N
+	---help---
+	  Enable support for Analog Devices RTI-802 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called rti802.
+
+config COMEDI_DAS08
+	tristate "DAS-08 compatible ISA, PC/104 and PCMCIA card support"
+	default N
+	---help---
+	  Enable support for Keithley Metrabyte/ComputerBoards DAS08
+	  and compatible ISA and PC/104 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called das08.
+
+config COMEDI_DAS16M1
+	tristate "MeasurementComputing CIO-DAS16/M1DAS-16 ISA card support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for Measurement Computing CIO-DAS16/M1 ISA cards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called das16m1.
+
+config COMEDI_DAS16
+	tristate "DAS-16 compatible ISA and PC/104 card support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for Keithley Metrabyte/ComputerBoards DAS16
+	  and compatible ISA and PC/104 cards:
+	  Keithley Metrabyte DAS-16, DAS-16G, DAS-16F, DAS-1201, DAS-1202,
+	  DAS-1401, DAS-1402, DAS-1601, DAS-1602 and
+	  ComputerBoards/MeasurementComputing PC104-DAS16/JR/,
+	  PC104-DAS16JR/16, CIO-DAS16JR/16, CIO-DAS16/JR, CIO-DAS1401/12,
+	  CIO-DAS1402/12, CIO-DAS1402/16, CIO-DAS1601/12, CIO-DAS1602/12,
+	  CIO-DAS1602/16, CIO-DAS16/330
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called das16.
+
+config COMEDI_DAS800
+	tristate "DAS800 and compatible ISA card support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for Keithley Metrabyte DAS800 and compatible ISA cards
+	  Keithley Metrabyte DAS-800, DAS-801, DAS-802
+	  Measurement Computing CIO-DAS800, CIO-DAS801, CIO-DAS802 and
+	  CIO-DAS802/16
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called das800.
+
+config COMEDI_DAS1800
+	tristate "DAS1800 and compatible ISA card support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for DAS1800 and compatible ISA cards
+	  Keithley Metrabyte DAS-1701ST, DAS-1701ST-DA, DAS-1701/AO,
+	  DAS-1702ST, DAS-1702ST-DA, DAS-1702HR, DAS-1702HR-DA, DAS-1702/AO,
+	  DAS-1801ST, DAS-1801ST-DA, DAS-1801HC, DAS-1801AO, DAS-1802ST,
+	  DAS-1802ST-DA, DAS-1802HR, DAS-1802HR-DA, DAS-1802HC and
+	  DAS-1802AO
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called das1800.
+
+config COMEDI_DAS6402
+	tristate "DAS6402 and compatible ISA card support"
+	default N
+	---help---
+	  Enable support for DAS6402 and compatible ISA cards
+	  Computerboards, Keithley Metrabyte DAS6402 and compatibles
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called das6402.
+
+config COMEDI_DT2801
+	tristate "Data Translation DT2801 ISA card support"
+	default N
+	---help---
+	  Enable support for Data Translation DT2801 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dt2801.
+
+config COMEDI_DT2811
+	tristate "Data Translation DT2811 ISA card support"
+	default N
+	---help---
+	  Enable support for Data Translation DT2811 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dt2811.
+
+config COMEDI_DT2814
+	tristate "Data Translation DT2814 ISA card support"
+	default N
+	---help---
+	  Enable support for Data Translation DT2814 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dt2814.
+
+config COMEDI_DT2815
+	tristate "Data Translation DT2815 ISA card support"
+	default N
+	---help---
+	  Enable support for Data Translation DT2815 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dt2815.
+
+config COMEDI_DT2817
+	tristate "Data Translation DT2817 ISA card support"
+	default N
+	---help---
+	  Enable support for Data Translation DT2817 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dt2817.
+
+config COMEDI_DT282X
+	tristate "Data Translation DT2821 series and DT-EZ ISA card support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for Data Translation DT2821 series including DT-EZ
+	  DT2821, DT2821-F-16SE, DT2821-F-8DI, DT2821-G-16SE, DT2821-G-8DI,
+	  DT2823 (dt2823), DT2824-PGH, DT2824-PGL, DT2825, DT2827, DT2828,
+	  DT21-EZ, DT23-EZ, DT24-EZ and DT24-EZ-PGL
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dt282x.
+
+config COMEDI_DMM32AT
+	tristate "Diamond Systems MM-32-AT PC/104 board support"
+	default N
+	---help---
+	  Enable support for Diamond Systems MM-32-AT PC/104 boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dmm32at.
+
+config COMEDI_FL512
+	tristate "FL512 ISA card support"
+	default N
+	---help---
+	  Enable support for FL512 ISA card
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called fl512.
+
+config COMEDI_AIO_AIO12_8
+	tristate "I/O Products PC/104 AIO12-8 Analog I/O Board support"
+	default N
+	---help---
+	  Enable support for I/O Products PC/104 AIO12-8 Analog I/O Board
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called aio_aio12_8.
+
+config COMEDI_AIO_IIRO_16
+	tristate "I/O Products PC/104 IIRO16 Board support"
+	default N
+	---help---
+	  Enable support for I/O Products PC/104 IIRO16 Relay And Isolated
+	  Input Board
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called aio_iiro_16.
+
+config COMEDI_C6XDIGIO
+	tristate "Mechatronic Systems Inc. C6x_DIGIO DSP daughter card support"
+	default N
+	---help---
+	  Enable support for Mechatronic Systems Inc. C6x_DIGIO DSP daughter
+	  card
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called c6xdigio.
+
+config COMEDI_MPC624
+	tristate "Micro/sys MPC-624 PC/104 board support"
+	default N
+	---help---
+	  Enable support for Micro/sys MPC-624 PC/104 board
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called mpc624.
+
+config COMEDI_ADQ12B
+	tristate "MicroAxial ADQ12-B data acquisition and control card support"
+	default N
+	---help---
+	  Enable MicroAxial ADQ12-B daq and control card support.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adq12b.
+
+config COMEDI_NI_AT_A2150
+	tristate "NI AT-A2150 ISA card support"
+	depends on COMEDI_NI_COMMON
+	default N
+	---help---
+	  Enable support for National Instruments AT-A2150 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_at_a2150.
+
+config COMEDI_NI_AT_AO
+	tristate "NI AT-AO-6/10 EISA card support"
+	depends on COMEDI_NI_COMMON
+	default N
+	---help---
+	  Enable support for National Instruments AT-AO-6/10 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_at_ao.
+
+config COMEDI_NI_ATMIO
+	tristate "NI AT-MIO E series ISA-PNP card support"
+	depends on ISAPNP && COMEDI_NI_TIO && COMEDI_NI_COMMON
+	default N
+	---help---
+	  Enable support for National Instruments AT-MIO E series cards
+	  National Instruments AT-MIO-16E-1 (ni_atmio),
+	  AT-MIO-16E-2, AT-MIO-16E-10, AT-MIO-16DE-10, AT-MIO-64E-3,
+	  AT-MIO-16XE-50, AT-MIO-16XE-10, AT-AI-16XE-10
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_atmio.
+
+config COMEDI_NI_ATMIO16D
+	tristate "NI AT-MIO16/AT-MIO16D series ISA-PNP card support"
+	depends on ISAPNP && COMEDI_NI_COMMON
+	default N
+	---help---
+	  Enable support for National Instruments AT-MIO16/AT-MIO16D cards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_atmio16d.
+
+config COMEDI_PCMAD
+	tristate "Winsystems PCM-A/D12 and PCM-A/D16 PC/104 board support"
+	default N
+	---help---
+	  Enable support for Winsystems PCM-A/D12 and PCM-A/D16 PC/104 boards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcmad.
+
+config COMEDI_PCMDA12
+	tristate "Winsystems PCM-D/A-12 8-channel AO PC/104 board support"
+	default N
+	---help---
+	  Enable support for Winsystems PCM-D/A-12 8-channel AO PC/104 boards.
+	  Note that the board is not ISA-PNP capable and thus needs the I/O
+	  port comedi_config parameter.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcmda12.
+
+config COMEDI_PCMMIO
+	tristate "Winsystems PCM-MIO PC/104 board support"
+	default N
+	---help---
+	  Enable support for Winsystems PCM-MIO multifunction PC/104 boards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcmmio.
+
+config COMEDI_PCMUIO
+	tristate "Winsystems PCM-UIO48A and PCM-UIO96A PC/104 board support"
+	default N
+	---help---
+	  Enable support for PCM-UIO48A and PCM-UIO96A PC/104 boards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called pcmuio.
+
+config COMEDI_MULTIQ3
+	tristate "Quanser Consulting MultiQ-3 ISA card support"
+	default N
+	---help---
+	  Enable support for Quanser Consulting MultiQ-3 ISA cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called multiq3.
+
+config COMEDI_POC
+	tristate "Generic driver for very simple devices"
+	default N
+	---help---
+	  Enable generic support for very simple / POC (Piece of Crap) boards,
+	  Keithley Metrabyte DAC-02 (dac02), Advantech PCL-733 (pcl733) and
+	  PCL-734 (pcl734)
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called poc.
+
+endif # COMEDI_ISA_DRIVERS
+
+menuconfig COMEDI_PCI_DRIVERS
 	tristate "Comedi PCI drivers"
 	depends on COMEDI && PCI
 	default N
 	---help---
-	  Enable lots of comedi PCI drivers to be built
+	  Enable comedi PCI drivers to be built
 
-config COMEDI_PCMCIA_DRIVERS
+	  Note that the answer to this question won't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about PCI comedi drivers.
+
+if COMEDI_PCI_DRIVERS && PCI
+
+config COMEDI_ADDI_APCI_035
+	tristate "ADDI-DATA APCI_035 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_035 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_035.
+
+config COMEDI_ADDI_APCI_1032
+	tristate "ADDI-DATA APCI_1032 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_1032 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_1032.
+
+config COMEDI_ADDI_APCI_1500
+	tristate "ADDI-DATA APCI_1500 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_1500 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_1500.
+
+config COMEDI_ADDI_APCI_1516
+	tristate "ADDI-DATA APCI_1516 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_1516 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_1516.
+
+config COMEDI_ADDI_APCI_1564
+	tristate "ADDI-DATA APCI_1564 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_1564 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_1564.
+
+config COMEDI_ADDI_APCI_16XX
+	tristate "ADDI-DATA APCI_16xx support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_16xx cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_16xx.
+
+config COMEDI_ADDI_APCI_2016
+	tristate "ADDI-DATA APCI_2016 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_2016 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_2016.
+
+config COMEDI_ADDI_APCI_2032
+	tristate "ADDI-DATA APCI_2032 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_2032 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_2032.
+
+config COMEDI_ADDI_APCI_2200
+	tristate "ADDI-DATA APCI_2200 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_2200 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_2200.
+
+config COMEDI_ADDI_APCI_3001
+	tristate "ADDI-DATA APCI_3001 support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_3001 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_3001.
+
+config COMEDI_ADDI_APCI_3120
+	tristate "ADDI-DATA APCI_3520 support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_3520 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_3120.
+
+config COMEDI_ADDI_APCI_3501
+	tristate "ADDI-DATA APCI_3501 support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_3501 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_3501.
+
+config COMEDI_ADDI_APCI_3XXX
+	tristate "ADDI-DATA APCI_3xxx support"
+	default N
+	---help---
+	  Enable support for ADDI-DATA APCI_3xxx cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called addi_apci_3xxx.
+
+config COMEDI_ADL_PCI6208
+	tristate "ADLink PCI-6208A support"
+	default N
+	---help---
+	  Enable support for ADLink PCI-6208A cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adl_pci6208.
+
+config COMEDI_ADL_PCI7230
+	tristate "ADLink PCI-7230 digital io board support"
+	default N
+	---help---
+	  Enable support for ADlink PCI-7230 digital io board support
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adl_pci7230.
+
+config COMEDI_ADL_PCI7296
+	tristate "ADLink PCI-7296 96 ch. digital io board support"
+	default N
+	---help---
+	  Enable support for ADlink PCI-7296 96 ch. digital io board support
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adl_pci7296.
+
+config COMEDI_ADL_PCI7432
+	tristate "ADLink PCI-7432 64 ch. isolated digital io board support"
+	default N
+	---help---
+	  Enable support for ADlink PCI-7432 64 ch. isolated digital io board
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adl_pci7432.
+
+config COMEDI_ADL_PCI8164
+	tristate "ADLink PCI-8164 4 Axes Motion Control board support"
+	default N
+	---help---
+	  Enable support for ADlink PCI-8164 4 Axes Motion Control board
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adl_pci8164.
+
+config COMEDI_ADL_PCI9111
+	tristate "ADLink PCI-9111HR support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for ADlink PCI9111 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adl_pci9111.
+
+config COMEDI_ADL_PCI9118
+	tristate "ADLink PCI-9118DG, PCI-9118HG, PCI-9118HR support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for ADlink PCI-9118DG, PCI-9118HG, PCI-9118HR cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adl_pci9118.
+
+config COMEDI_ADV_PCI1710
+	tristate "Advantech PCI-171x, PCI-1720 and PCI-1731 support"
+	default N
+	---help---
+	  Enable support for Advantech PCI-1710, PCI-1710HG, PCI-1711,
+	  PCI-1713, PCI-1720 and PCI-1731
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adv_pci1710.
+
+config COMEDI_ADV_PCI1723
+	tristate "Advantech PCI-1723 support"
+	default N
+	---help---
+	  Enable support for Advantech PCI-1723 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adv_pci1723.
+
+config COMEDI_ADV_PCI_DIO
+	tristate "Advantech PCI DIO card support"
+	default N
+	---help---
+	  Enable support for Advantech PCI DIO cards
+	  PCI-1730, PCI-1733, PCI-1734, PCI-1736UP, PCI-1750, PCI-1751,
+	  PCI-1752, PCI-1753/E, PCI-1754, PCI-1756 and PCI-1762
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called adv_pci_dio.
+
+config COMEDI_AMPLC_DIO200
+	tristate "Amplicon PC272E and PCI272 DIO board support"
+	default N
+	---help---
+	  Enable support for Amplicon PC272E and PCI272 DIO boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called amplc_dio200.
+
+config COMEDI_AMPLC_PC236
+	tristate "Amplicon PC36AT and PCI236 DIO board support"
+	default N
+	---help---
+	  Enable support for Amplicon PC36AT and PCI236 DIO boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called amplc_pc236.
+
+config COMEDI_AMPLC_PC263
+	tristate "Amplicon PC263 and PCI263 relay board support"
+	default N
+	---help---
+	  Enable support for Amplicon PC263 and PCI263 relay boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called amplc_pc263.
+
+config COMEDI_AMPLC_PCI224
+	tristate "Amplicon PCI224 and PCI234 support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for Amplicon PCI224 and PCI234 AO boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called amplc_pci224.
+
+config COMEDI_AMPLC_PCI230
+	tristate "Amplicon PCI230 and PCI260 support"
+	default N
+	---help---
+	  Enable support for Amplicon PCI230 and PCI260 Multifunction I/O
+	  boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called amplc_pci230.
+
+config COMEDI_CONTEC_PCI_DIO
+	tristate "Contec PIO1616L digital I/O board support"
+	default N
+	---help---
+	  Enable support for the Contec PIO1616L digital I/O board
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called contec_pci_dio.
+
+config COMEDI_DT3000
+	tristate "Data Translation DT3000 series support"
+	default N
+	---help---
+	  Enable support for Data Translation DT3000 series
+	  DT3001, DT3001-PGL, DT3002, DT3003, DT3003-PGL, DT3004, DT3005 and
+	  DT3004-200
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dt3000.
+
+config COMEDI_UNIOXX5
+	tristate "Fastwel UNIOxx-5 analog and digital io board support"
+	default N
+	---help---
+	  Enable support for Fastwel UNIOxx-5 (analog and digital i/o) boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called unioxx5.
+
+config COMEDI_GSC_HPDI
+	tristate "General Standards PCI-HPDI32 / PMC-HPDI32 support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for General Standards Corporation high speed parallel
+	  digital interface rs485 boards PCI-HPDI32 and PMC-HPDI32.
+	  Only receive mode works, transmit not supported.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called gsc_hpdi.
+
+config COMEDI_ICP_MULTI
+	tristate "Inova ICP_MULTI support"
+	default N
+	---help---
+	  Enable support for Inova ICP_MULTI card
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called icp_multi.
+
+config COMEDI_II_PCI20KC
+	tristate "Intelligent Instruments PCI-20001C carrier support"
+	default N
+	---help---
+	  Enable support for Intelligent Instruments PCI-20001C carrier
+	  PCI-20001, PCI-20006 and PCI-20341
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ii_pci20kc.
+
+config COMEDI_DAQBOARD2000
+	tristate "IOtech DAQboard/2000 support"
+	default N
+	---help---
+	  Enable support for the IOtech DAQboard/2000
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called daqboard2000.
+
+config COMEDI_JR3_PCI
+	tristate "JR3/PCI force sensor board support"
+	default N
+	---help---
+	  Enable support for JR3/PCI force sensor boards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called jr3_pci.
+
+config COMEDI_KE_COUNTER
+	tristate "Kolter-Electronic PCI Counter 1 card support"
+	default N
+	---help---
+	  Enable support for Kolter-Electronic PCI Counter 1 cards
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ke_counter.
+
+config COMEDI_CB_PCIDAS64
+	tristate "MeasurementComputing PCI-DAS 64xx, 60xx, and 4020 support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for ComputerBoards/MeasurementComputing PCI-DAS 64xx,
+	  60xx, and 4020 series with the PLX 9080 PCI controller
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called cb_pcidas64.
+
+config COMEDI_CB_PCIDAS
+	tristate "MeasurementComputing PCI-DAS support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for ComputerBoards/MeasurementComputing PCI-DAS with
+	  AMCC S5933 PCIcontroller: PCI-DAS1602/16, PCI-DAS1602/16jr,
+	  PCI-DAS1602/12, PCI-DAS1200, PCI-DAS1200jr, PCI-DAS1000, PCI-DAS1001
+	  and PCI_DAS1002.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called cb_pcidas.
+
+config COMEDI_CB_PCIDDA
+	tristate "MeasurementComputing PCI-DDA series support"
+	default N
+	---help---
+	  Enable support for ComputerBoards/MeasurementComputing PCI-DDA
+	  series: PCI-DDA08/12, PCI-DDA04/12, PCI-DDA02/12, PCI-DDA08/16,
+	  PCI-DDA04/16 and PCI-DDA02/16
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called cb_pcidda.
+
+config COMEDI_CB_PCIDIO
+	tristate "MeasurementComputing PCI-DIO series support"
+	default N
+	---help---
+	  Enable support for ComputerBoards/MeasurementComputing PCI-DIO series
+	  PCI-DIO24, PCI-DIO24H and PCI-DIO48H
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called cb_pcidio.
+
+config COMEDI_CB_PCIMDAS
+	tristate "MeasurementComputing PCIM-DAS1602/16 support"
+	default N
+	---help---
+	  Enable support for ComputerBoards/MeasurementComputing PCI Migration
+	  series PCIM-DAS1602/16
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called cb_pcimdas.
+
+config COMEDI_CB_PCIMDDA
+	tristate "MeasurementComputing PCIM-DDA06-16 support"
+	default N
+	---help---
+	  Enable support for ComputerBoards/MeasurementComputing PCIM-DDA06-16
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called cb_pcimdda.
+
+config COMEDI_ME4000
+	tristate "Meilhaus ME-4000 support"
+	default N
+	---help---
+	  Enable support for Meilhaus PCI data acquisition cards
+	  ME-4650, ME-4670i, ME-4680, ME-4680i and ME-4680is
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called me4000.
+
+config COMEDI_ME_DAQ
+	tristate "Meilhaus ME-2000i, ME-2600i, ME-3000vm1 support"
+	default N
+	---help---
+	  Enable support for Meilhaus PCI data acquisition cards
+	  ME-2000i, ME-2600i and ME-3000vm1
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called me_daq.
+
+config COMEDI_NI_6527
+	tristate "NI 6527 support"
+	depends on COMEDI_MITE
+	default N
+	---help---
+	  Enable support for the National Instruments 6527 PCI card
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_6527.
+
+config COMEDI_NI_65XX
+	tristate "NI 65xx static dio PCI card support"
+	depends on COMEDI_MITE
+	default N
+	---help---
+	  Enable support for National Instruments 65xx static dio boards.
+	  Supported devices: National Instruments PCI-6509 (ni_65xx),
+	  PXI-6509, PCI-6510, PCI-6511, PXI-6511, PCI-6512, PXI-6512, PCI-6513,
+	  PXI-6513, PCI-6514, PXI-6514, PCI-6515, PXI-6515, PCI-6516, PCI-6517,
+	  PCI-6518, PCI-6519, PCI-6520, PCI-6521, PXI-6521, PCI-6528, PXI-6528
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_65xx.
+
+config COMEDI_NI_660X
+	tristate "NI 660x counter/timer PCI card support"
+	depends on COMEDI_NI_TIO && COMEDI_NI_COMMON
+	default N
+	---help---
+	  Enable support for National Instruments PCI-6601 (ni_660x), PCI-6602,
+	  PXI-6602 and PXI-6608.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_660x.
+
+config COMEDI_NI_670X
+	tristate "NI 670x PCI card support"
+	depends on COMEDI_MITE
+	default N
+	---help---
+	  Enable support for National Instruments PCI-6703 and PCI-6704
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_670x.
+
+config COMEDI_NI_PCIDIO
+	tristate "NI PCI-DIO32HS, PCI-DIO96, PCI-6533, PCI-6503 support"
+	depends on COMEDI_MITE
+	default N
+	---help---
+	  Enable support for National Instruments PCI-DIO-32HS, PXI-6533,
+	  PCI-DIO-96, PCI-DIO-96B, PXI-6508, PCI-6503, PCI-6503B, PCI-6503X,
+	  PXI-6503, PCI-6533 and PCI-6534
+	  The DIO-96 appears as four 8255 subdevices. See the 8255
+	  driver notes for details.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_pcidio.
+
+config COMEDI_NI_PCIMIO
+	tristate "NI PCI-MIO-E series and M series support"
+	depends on COMEDI_NI_TIO && COMEDI_NI_COMMON
+	default N
+	---help---
+	  Enable support for National Instruments PCI-MIO-E series and M series
+	  (all boards): PCI-MIO-16XE-10, PXI-6030E, PCI-MIO-16E-1,
+	  PCI-MIO-16E-4, PCI-6014, PCI-6040E, PXI-6040E, PCI-6030E, PCI-6031E,
+	  PCI-6032E, PCI-6033E, PCI-6071E, PCI-6023E, PCI-6024E, PCI-6025E,
+	  PXI-6025E, PCI-6034E, PCI-6035E, PCI-6052E, PCI-6110, PCI-6111,
+	  PCI-6220, PCI-6221, PCI-6224, PXI-6224, PCI-6225, PXI-6225, PCI-6229,
+	  PCI-6250, PCI-6251, PCIe-6251, PCI-6254, PCI-6259, PCIe-6259,
+	  PCI-6280, PCI-6281, PXI-6281, PCI-6284, PCI-6289, PCI-6711, PXI-6711,
+	  PCI-6713, PXI-6713, PXI-6071E, PCI-6070E, PXI-6070E, PXI-6052E,
+	  PCI-6036E, PCI-6731, PCI-6733, PXI-6733, PCI-6143, PXI-6143
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_pcimio.
+
+config COMEDI_RTD520
+	tristate "Real Time Devices PCI4520/DM7520 support"
+	default N
+	---help---
+	  Enable support for Real Time Devices PCI4520/DM7520
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called rtd520.
+
+config COMEDI_S526
+	tristate "Sensoray s526 support"
+	default N
+	---help---
+	  Enable support for Sensoray s526
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called s526.
+
+config COMEDI_S626
+	tristate "Sensoray 626 support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for Sensoray 626
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called s626.
+
+config COMEDI_SSV_DNP
+	tristate "SSV Embedded Systems DIL/Net-PC support"
+	default N
+	---help---
+	  Enable support for SSV Embedded Systems DIL/Net-PC
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ssv_dnp.
+
+endif # COMEDI_PCI_DRIVERS
+
+menuconfig COMEDI_PCMCIA_DRIVERS
 	tristate "Comedi PCMCIA drivers"
 	depends on COMEDI && PCMCIA && PCCARD
 	default N
 	---help---
-	  Enable lots of comedi PCMCIA and PCCARD drivers to be built
+	  Enable comedi PCMCIA and PCCARD drivers to be built
 
-config COMEDI_USB_DRIVERS
+	  Note that the answer to this question won't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about PCMCIA comedi drivers.
+
+if COMEDI_PCMCIA_DRIVERS && PCMCIA
+
+config COMEDI_CB_DAS16_CS
+	tristate "CB DAS16 series PCMCIA support"
+	default N
+	---help---
+	  Enable support for the ComputerBoards/MeasurementComputing PCMCIA
+	  cards DAS16/16, PCM-DAS16D/12 and PCM-DAS16s/16
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called cb_das16_cs.
+
+config COMEDI_DAS08_CS
+	tristate "CB DAS08 PCMCIA support"
+	select COMEDI_DAS08
+	default N
+	---help---
+	  Enable support for the ComputerBoards/MeasurementComputing DAS-08
+	  PCMCIA card
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called das08_cs.
+
+config COMEDI_NI_DAQ_700_CS
+	tristate "NI DAQCard-700 PCMCIA support"
+	depends on COMEDI_NI_COMMON
+	default N
+	---help---
+	  Enable support for the National Instruments PCMCIA DAQCard-700 DIO
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_daq_700.
+
+config COMEDI_NI_DAQ_DIO24_CS
+	tristate "NI DAQ-Card DIO-24 PCMCIA support"
+	depends on COMEDI_NI_COMMON
+	default N
+	---help---
+	  Enable support for the National Instruments PCMCIA DAQ-Card DIO-24
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_daq_dio24.
+
+config COMEDI_NI_LABPC_CS
+	tristate "NI DAQCard-1200 PCMCIA support"
+	depends on COMEDI_NI_LABPC
+	default N
+	---help---
+	  Enable support for the National Instruments PCMCIA DAQCard-1200
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_labpc_cs.
+
+config COMEDI_NI_MIO_CS
+	tristate "NI DAQCard E series PCMCIA support"
+	depends on COMEDI_NI_TIO && COMEDI_NI_COMMON
+	default N
+	select COMEDI_FC
+	---help---
+	  Enable support for the National Instruments PCMCIA DAQCard E series
+	  DAQCard-ai-16xe-50, DAQCard-ai-16e-4, DAQCard-6062E, DAQCard-6024E
+	  and DAQCard-6036E
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_mio_cs.
+
+config COMEDI_QUATECH_DAQP_CS
+	tristate "Quatech DAQP PCMCIA data capture card support"
+	default N
+	---help---
+	  Enable support for the Quatech DAQP PCMCIA data capture cards
+	  DAQP-208 and DAQP-308
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called quatech_daqp_cs.
+
+endif # COMEDI_PCMCIA_DRIVERS
+
+menuconfig COMEDI_USB_DRIVERS
 	tristate "Comedi USB drivers"
 	depends on COMEDI && USB
 	default N
 	---help---
-	  Enable lots of comedi USB drivers to be built
+	  Enable comedi USB drivers to be built
+
+	  Note that the answer to this question won't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about USB comedi drivers.
+
+if COMEDI_USB_DRIVERS && USB
+
+config COMEDI_DT9812
+	tristate "DataTranslation DT9812 USB module support"
+	default N
+	---help---
+	  Enable support for the Data Translation DT9812 USB module
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called dt9812.
+
+config COMEDI_USBDUX
+	tristate "ITL USBDUX support"
+	default N
+	---help---
+	  Enable support for the University of Stirling USB DAQ and INCITE
+	  Technology Limited driver
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called usbdux.
+
+config COMEDI_USBDUXFAST
+	tristate "ITL USB-DUXfast support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for the University of Stirling USB-DUXfast and INCITE
+	  Technology Limited driver
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called usbduxfast.
+
+config COMEDI_VMK80XX
+	tristate "Velleman VM110/VM140 USB Board support"
+	default N
+	---help---
+	  Build the Velleman USB Board Low-Level Driver supporting the
+	  K8055/K8061 aka VM110/VM140 devices
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called vmk80xx.
+
+endif # COMEDI_USB_DRIVERS
+
+menuconfig COMEDI_NI_COMMON
+	tristate "Comedi National Instruments card support"
+	depends on COMEDI
+	default N
+	---help---
+	  Enable comedi support for National Instruments cards.
+	  Modules in this section are used by many comedi NI drivers.
+
+	  Note that the answer to this question won't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about National Instruments cards.
+
+if COMEDI_NI_COMMON
+
+config COMEDI_MITE
+	tristate "NI Mite PCI interface chip support"
+	depends on PCI
+	default N
+	---help---
+	  Enable support for National Instruments Mite PCI interface chip
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called mite.
+
+config COMEDI_NI_TIO
+	tristate "NI general purpose counter support"
+	depends on COMEDI_MITE
+	default N
+	---help---
+	  Enable support for National Instruments general purpose counters.
+	  This module is not used directly by end-users. Rather, it
+	  is used by other drivers (for example ni_660x and ni_pcimio)
+	  to provide support for NI's general purpose counters.
+
+	  To compile this driver as a modules, choose M here: two modules will
+	  be build: ni_tio and ni_tiocmd.
+
+config COMEDI_NI_LABPC
+	tristate "NI Lab-PC and compatibles ISA and PCI support"
+	select COMEDI_FC
+	default N
+	---help---
+	  Enable support for National Instruments Lab-PC and compatibles
+	  Lab-PC-1200, Lab-PC-1200AI, Lab-PC+ and PCI-1200.
+	  Kernel-level ISA plug-and-play support for the lab-pc-1200 boards has
+	  not yet been added to the driver.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ni_labpc.
+
+endif # COMEDI_NI_COMMON
+
+config COMEDI_FC
+	tristate "Comedi shared functions for low-level driver support"
+	default N
+	---help---
+	  Enable support for shared functions for low-level drivers.
+	  This module is not used directly by end-users. Rather, it
+	  is used by many other comedi drivers.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called comedi_fc.
diff --git a/drivers/staging/comedi/drivers/Makefile b/drivers/staging/comedi/drivers/Makefile
index be995144e20..bf1b29f7da4 100644
--- a/drivers/staging/comedi/drivers/Makefile
+++ b/drivers/staging/comedi/drivers/Makefile
@@ -2,133 +2,136 @@
 #
 
 # Comedi "helper" modules
-obj-$(CONFIG_COMEDI)			+= comedi_fc.o
-obj-$(CONFIG_COMEDI)			+= comedi_bond.o
-obj-$(CONFIG_COMEDI)			+= comedi_test.o
-obj-$(CONFIG_COMEDI)			+= comedi_parport.o
 obj-$(CONFIG_COMEDI)			+= pcm_common.o
 
+# Comedi misc drivers
+obj-$(CONFIG_COMEDI_BOND)		+= comedi_bond.o
+obj-$(CONFIG_COMEDI_TEST)		+= comedi_test.o
+obj-$(CONFIG_COMEDI_PARPORT)		+= comedi_parport.o
+obj-$(CONFIG_COMEDI_SERIAL2002)		+= serial2002.o
+obj-$(CONFIG_COMEDI_SKEL)		+= skel.o
+
+# Comedi ISA drivers
+obj-$(CONFIG_COMEDI_8255)		+= 8255.o
+obj-$(CONFIG_COMEDI_ACL7225B)		+= acl7225b.o
+obj-$(CONFIG_COMEDI_PCL711)		+= pcl711.o
+obj-$(CONFIG_COMEDI_PCL724)		+= pcl724.o
+obj-$(CONFIG_COMEDI_PCL725)		+= pcl725.o
+obj-$(CONFIG_COMEDI_PCL726)		+= pcl726.o
+obj-$(CONFIG_COMEDI_PCL730)		+= pcl730.o
+obj-$(CONFIG_COMEDI_PCL812)		+= pcl812.o
+obj-$(CONFIG_COMEDI_PCL816)		+= pcl816.o
+obj-$(CONFIG_COMEDI_PCL818)		+= pcl818.o
+obj-$(CONFIG_COMEDI_PCM3724)		+= pcm3724.o
+obj-$(CONFIG_COMEDI_PCM3730)		+= pcm3730.o
+obj-$(CONFIG_COMEDI_RTI800)		+= rti800.o
+obj-$(CONFIG_COMEDI_RTI802)		+= rti802.o
+obj-$(CONFIG_COMEDI_DAS08)		+= das08.o
+obj-$(CONFIG_COMEDI_DAS16M1)		+= das16m1.o
+obj-$(CONFIG_COMEDI_DAS16)		+= das16.o
+obj-$(CONFIG_COMEDI_DAS800)		+= das800.o
+obj-$(CONFIG_COMEDI_DAS1800)		+= das1800.o
+obj-$(CONFIG_COMEDI_DAS6402)		+= das6402.o
+obj-$(CONFIG_COMEDI_DT2801)		+= dt2801.o
+obj-$(CONFIG_COMEDI_DT2811)		+= dt2811.o
+obj-$(CONFIG_COMEDI_DT2814)		+= dt2814.o
+obj-$(CONFIG_COMEDI_DT2815)		+= dt2815.o
+obj-$(CONFIG_COMEDI_DT2817)		+= dt2817.o
+obj-$(CONFIG_COMEDI_DT282X)		+= dt282x.o
+obj-$(CONFIG_COMEDI_DMM32AT)		+= dmm32at.o
+obj-$(CONFIG_COMEDI_FL512)		+= fl512.o
+obj-$(CONFIG_COMEDI_AIO_AIO12_8)	+= aio_aio12_8.o
+obj-$(CONFIG_COMEDI_AIO_IIRO_16)	+= aio_iiro_16.o
+obj-$(CONFIG_COMEDI_C6XDIGIO)		+= c6xdigio.o
+obj-$(CONFIG_COMEDI_MPC624)		+= mpc624.o
+obj-$(CONFIG_COMEDI_ADQ12B)		+= adq12b.o
+obj-$(CONFIG_COMEDI_NI_AT_A2150)	+= ni_at_a2150.o
+obj-$(CONFIG_COMEDI_NI_AT_AO)		+= ni_at_ao.o
+obj-$(CONFIG_COMEDI_NI_ATMIO)		+= ni_atmio.o
+obj-$(CONFIG_COMEDI_NI_ATMIO16D)	+= ni_atmio16d.o
+obj-$(CONFIG_COMEDI_PCMAD)		+= pcmad.o
+obj-$(CONFIG_COMEDI_PCMDA12)		+= pcmda12.o
+obj-$(CONFIG_COMEDI_PCMMIO)		+= pcmmio.o
+obj-$(CONFIG_COMEDI_PCMUIO)		+= pcmuio.o
+obj-$(CONFIG_COMEDI_MULTIQ3)		+= multiq3.o
+obj-$(CONFIG_COMEDI_POC)		+= poc.o
+
 # Comedi PCI drivers
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= 8255.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= acl7225b.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_035.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_1032.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_1500.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_1516.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_1564.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_16xx.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_2016.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_2032.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_2200.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_3001.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_3120.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_3501.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= addi_apci_3xxx.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci6208.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci7230.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci7296.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci7432.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci8164.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci9111.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adl_pci9118.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adq12b.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adv_pci1710.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adv_pci1723.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= adv_pci_dio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= aio_aio12_8.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= aio_iiro_16.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= amplc_dio200.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= amplc_pc236.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= amplc_pc263.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= amplc_pci224.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= amplc_pci230.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= c6xdigio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= cb_pcidas64.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= cb_pcidas.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= cb_pcidda.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= cb_pcidio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= cb_pcimdas.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= cb_pcimdda.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= comedi_bond.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= comedi_parport.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= comedi_test.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= contec_pci_dio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= daqboard2000.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= das08.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= das16m1.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= das16.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= das1800.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= das6402.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= das800.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= dmm32at.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= dt2801.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= dt2811.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= dt2814.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= dt2815.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= dt2817.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= dt282x.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= dt3000.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= fl512.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= gsc_hpdi.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= icp_multi.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ii_pci20kc.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= jr3_pci.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ke_counter.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= me4000.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= me_daq.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= mite.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= mpc624.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= multiq3.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_6527.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_65xx.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_660x.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_670x.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_at_a2150.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_at_ao.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_atmio16d.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_atmio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_labpc.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_pcidio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_pcimio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_tiocmd.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ni_tio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcl711.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcl724.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcl725.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcl726.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcl730.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcl812.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcl816.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcl818.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcm3724.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcm3730.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcmad.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcmda12.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcmmio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= pcmuio.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= poc.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= rtd520.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= rti800.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= rti802.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= s526.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= s626.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= serial2002.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= skel.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= ssv_dnp.o
-obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= unioxx5.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_035)	+= addi_apci_035.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_1032)	+= addi_apci_1032.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_1500)	+= addi_apci_1500.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_1516)	+= addi_apci_1516.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_1564)	+= addi_apci_1564.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_16XX)	+= addi_apci_16xx.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_2016)	+= addi_apci_2016.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_2032)	+= addi_apci_2032.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_2200)	+= addi_apci_2200.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_3001)	+= addi_apci_3001.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_3120)	+= addi_apci_3120.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_3501)	+= addi_apci_3501.o
+obj-$(CONFIG_COMEDI_ADDI_APCI_3XXX)	+= addi_apci_3xxx.o
+obj-$(CONFIG_COMEDI_ADL_PCI6208)	+= adl_pci6208.o
+obj-$(CONFIG_COMEDI_ADL_PCI7230)	+= adl_pci7230.o
+obj-$(CONFIG_COMEDI_ADL_PCI7296)	+= adl_pci7296.o
+obj-$(CONFIG_COMEDI_ADL_PCI7432)	+= adl_pci7432.o
+obj-$(CONFIG_COMEDI_ADL_PCI8164)	+= adl_pci8164.o
+obj-$(CONFIG_COMEDI_ADL_PCI9111)	+= adl_pci9111.o
+obj-$(CONFIG_COMEDI_ADL_PCI9118)	+= adl_pci9118.o
+obj-$(CONFIG_COMEDI_ADV_PCI1710)	+= adv_pci1710.o
+obj-$(CONFIG_COMEDI_ADV_PCI1723)	+= adv_pci1723.o
+obj-$(CONFIG_COMEDI_ADV_PCI_DIO)	+= adv_pci_dio.o
+obj-$(CONFIG_COMEDI_AMPLC_DIO200)	+= amplc_dio200.o
+obj-$(CONFIG_COMEDI_AMPLC_PC236)	+= amplc_pc236.o
+obj-$(CONFIG_COMEDI_AMPLC_PC263)	+= amplc_pc263.o
+obj-$(CONFIG_COMEDI_AMPLC_PCI224)	+= amplc_pci224.o
+obj-$(CONFIG_COMEDI_AMPLC_PCI230)	+= amplc_pci230.o
+obj-$(CONFIG_COMEDI_CONTEC_PCI_DIO)	+= contec_pci_dio.o
+obj-$(CONFIG_COMEDI_DT3000)		+= dt3000.o
+obj-$(CONFIG_COMEDI_UNIOXX5)		+= unioxx5.o
+obj-$(CONFIG_COMEDI_GSC_HPDI)		+= gsc_hpdi.o
+obj-$(CONFIG_COMEDI_ICP_MULTI)		+= icp_multi.o
+obj-$(CONFIG_COMEDI_II_PCI20KC)		+= ii_pci20kc.o
+obj-$(CONFIG_COMEDI_DAQBOARD2000)	+= daqboard2000.o
+obj-$(CONFIG_COMEDI_JR3_PCI)		+= jr3_pci.o
+obj-$(CONFIG_COMEDI_KE_COUNTER)		+= ke_counter.o
+obj-$(CONFIG_COMEDI_CB_PCIDAS64)	+= cb_pcidas64.o
+obj-$(CONFIG_COMEDI_CB_PCIDAS)		+= cb_pcidas.o
+obj-$(CONFIG_COMEDI_CB_PCIDDA)		+= cb_pcidda.o
+obj-$(CONFIG_COMEDI_CB_PCIDIO)		+= cb_pcidio.o
+obj-$(CONFIG_COMEDI_CB_PCIMDAS)		+= cb_pcimdas.o
+obj-$(CONFIG_COMEDI_CB_PCIMDDA)		+= cb_pcimdda.o
+obj-$(CONFIG_COMEDI_ME4000)		+= me4000.o
+obj-$(CONFIG_COMEDI_ME_DAQ)		+= me_daq.o
+obj-$(CONFIG_COMEDI_NI_6527)		+= ni_6527.o
+obj-$(CONFIG_COMEDI_NI_65XX)		+= ni_65xx.o
+obj-$(CONFIG_COMEDI_NI_660X)		+= ni_660x.o
+obj-$(CONFIG_COMEDI_NI_670X)		+= ni_670x.o
+obj-$(CONFIG_COMEDI_NI_PCIDIO)		+= ni_pcidio.o
+obj-$(CONFIG_COMEDI_NI_PCIMIO)		+= ni_pcimio.o
+obj-$(CONFIG_COMEDI_RTD520)		+= rtd520.o
+obj-$(CONFIG_COMEDI_S526)		+= s526.o
+obj-$(CONFIG_COMEDI_S626)		+= s626.o
+obj-$(CONFIG_COMEDI_SSV_DNP)		+= ssv_dnp.o
 
 # Comedi PCMCIA drivers
-obj-$(CONFIG_COMEDI_PCMCIA_DRIVERS)	+= cb_das16_cs.o
-obj-$(CONFIG_COMEDI_PCMCIA_DRIVERS)	+= das08_cs.o
-obj-$(CONFIG_COMEDI_PCMCIA_DRIVERS)	+= ni_daq_700.o
-obj-$(CONFIG_COMEDI_PCMCIA_DRIVERS)	+= ni_daq_dio24.o
-obj-$(CONFIG_COMEDI_PCMCIA_DRIVERS)	+= ni_labpc_cs.o
-obj-$(CONFIG_COMEDI_PCMCIA_DRIVERS)	+= ni_mio_cs.o
-obj-$(CONFIG_COMEDI_PCMCIA_DRIVERS)	+= quatech_daqp_cs.o
+obj-$(CONFIG_COMEDI_CB_DAS16_CS)	+= cb_das16_cs.o
+obj-$(CONFIG_COMEDI_DAS08_CS)		+= das08_cs.o
+obj-$(CONFIG_COMEDI_NI_DAQ_700_CS)	+= ni_daq_700.o
+obj-$(CONFIG_COMEDI_NI_DAQ_DIO24_CS)	+= ni_daq_dio24.o
+obj-$(CONFIG_COMEDI_NI_LABPC_CS)	+= ni_labpc_cs.o
+obj-$(CONFIG_COMEDI_NI_MIO_CS)		+= ni_mio_cs.o
+obj-$(CONFIG_COMEDI_QUATECH_DAQP_CS)	+= quatech_daqp_cs.o
 
 # Comedi USB drivers
-obj-$(CONFIG_COMEDI_USB_DRIVERS)	+= dt9812.o
-obj-$(CONFIG_COMEDI_USB_DRIVERS)	+= usbdux.o
-obj-$(CONFIG_COMEDI_USB_DRIVERS)	+= usbduxfast.o
-obj-$(CONFIG_COMEDI_USB_DRIVERS)	+= vmk80xx.o
+obj-$(CONFIG_COMEDI_DT9812)		+= dt9812.o
+obj-$(CONFIG_COMEDI_USBDUX)		+= usbdux.o
+obj-$(CONFIG_COMEDI_USBDUXFAST)		+= usbduxfast.o
+obj-$(CONFIG_COMEDI_VMK80XX)		+= vmk80xx.o
 
+# Comedi NI drivers
+obj-$(CONFIG_COMEDI_MITE)		+= mite.o
+obj-$(CONFIG_COMEDI_NI_TIO)		+= ni_tio.o
+obj-$(CONFIG_COMEDI_NI_TIO)		+= ni_tiocmd.o
+obj-$(CONFIG_COMEDI_NI_LABPC)		+= ni_labpc.o
+
+obj-$(CONFIG_COMEDI_FC)			+= comedi_fc.o
diff --git a/drivers/staging/comedi/kcomedilib/Makefile b/drivers/staging/comedi/kcomedilib/Makefile
index 5951f86a840..18ee99bdde0 100644
--- a/drivers/staging/comedi/kcomedilib/Makefile
+++ b/drivers/staging/comedi/kcomedilib/Makefile
@@ -1,3 +1,3 @@
-obj-$(CONFIG_COMEDI)	+= kcomedilib.o
+obj-$(CONFIG_COMEDI_KCOMEDILIB)	+= kcomedilib.o
 
 kcomedilib-objs := kcomedilib_main.o

From 77f047e25716cdefae7273d4e55f2cf74144c553 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 18 May 2010 14:29:33 -0700
Subject: [PATCH 2018/3638] Staging: comedi: fix up build error from last
 Kconfig changes

We need the 8255 module to be present for some PCI comedi
modules.  So for now, just build the thing.  We need some better
Kconfig rules to figure this out properly.

Cc: Alexander Kurz <linux@blala.de>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/comedi/drivers/Makefile b/drivers/staging/comedi/drivers/Makefile
index bf1b29f7da4..5ccf246e252 100644
--- a/drivers/staging/comedi/drivers/Makefile
+++ b/drivers/staging/comedi/drivers/Makefile
@@ -57,6 +57,7 @@ obj-$(CONFIG_COMEDI_MULTIQ3)		+= multiq3.o
 obj-$(CONFIG_COMEDI_POC)		+= poc.o
 
 # Comedi PCI drivers
+obj-$(CONFIG_COMEDI_PCI_DRIVERS)	+= 8255.o
 obj-$(CONFIG_COMEDI_ADDI_APCI_035)	+= addi_apci_035.o
 obj-$(CONFIG_COMEDI_ADDI_APCI_1032)	+= addi_apci_1032.o
 obj-$(CONFIG_COMEDI_ADDI_APCI_1500)	+= addi_apci_1500.o

From ba2450b89bd9dce7d8926d919a67ed515be3e05f Mon Sep 17 00:00:00 2001
From: Alexander Kurz <linux@blala.de>
Date: Sat, 15 May 2010 16:09:01 +0400
Subject: [PATCH 2019/3638] Staging: comedi: Kconfig dependancy fixes

There are three minor changes I would like to do on my last patch:

* Comedi is formally not dependant on any hardware, e.g. it is possible
  to use comedi_test without (PCI || PCMCIA || PCCARD || USB || ISA)
* comedi_parport is not dependant on PARPORT_PC.
* indirect ni_mio_cs (16-bit PCMCIA) dependancy on mite PCI-chip may
  confuse users, thus changing COMEDI_NI_TIO depends on COMEDI_MITE
  to select COMEDI_MITE.

Signed-off-by: Alexander Kurz <linux@kbdbabel.org>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/Kconfig | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index 283ea0ceddf..8ce307e64b5 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -1,7 +1,7 @@
 config COMEDI
 	tristate "Data acquisition support (comedi)"
 	default N
-	depends on m && (PCI || PCMCIA || PCCARD || USB)
+	depends on m
 	---help---
 	  Enable support a wide range of data acquisition devices
 	  for Linux.
@@ -57,7 +57,6 @@ config COMEDI_TEST
 
 config COMEDI_PARPORT
 	tristate "Parallel port support"
-	depends on PARPORT_PC
 	default N
 	---help---
 	  Enable support for the standard parallel port.
@@ -1266,7 +1265,7 @@ config COMEDI_MITE
 
 config COMEDI_NI_TIO
 	tristate "NI general purpose counter support"
-	depends on COMEDI_MITE
+	select COMEDI_MITE
 	default N
 	---help---
 	  Enable support for National Instruments general purpose counters.

From e4146bb9088c01c8b6e82be11f0c371f8aff023c Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sun, 16 May 2010 02:28:49 +0100
Subject: [PATCH 2020/3638] PCI: Disable MSI for MCP55 on P5N32-E SLI

As reported in <http://bugs.debian.org/552299>, MSI appears to be
broken for this on-board device.  We already have a quirk for the
P5N32-SLI Premium; extend it to cover both variants of the board.

Reported-by: Romain DEGEZ <romain.degez@smartjog.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@kernel.org
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/quirks.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 27c0e6eb713..48078253021 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2218,15 +2218,16 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS,
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE,
 			 ht_enable_msi_mapping);
 
-/* The P5N32-SLI Premium motherboard from Asus has a problem with msi
+/* The P5N32-SLI motherboards from Asus have a problem with msi
  * for the MCP55 NIC. It is not yet determined whether the msi problem
  * also affects other devices. As for now, turn off msi for this device.
  */
 static void __devinit nvenet_msi_disable(struct pci_dev *dev)
 {
-	if (dmi_name_in_vendors("P5N32-SLI PREMIUM")) {
+	if (dmi_name_in_vendors("P5N32-SLI PREMIUM") ||
+	    dmi_name_in_vendors("P5N32-E SLI")) {
 		dev_info(&dev->dev,
-			 "Disabling msi for MCP55 NIC on P5N32-SLI Premium\n");
+			 "Disabling msi for MCP55 NIC on P5N32-SLI\n");
 		dev->no_msi = 1;
 	}
 }

From 9313ff450400e6a2ab10fe6b9bdb12a828329410 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 18 May 2010 10:42:53 -0400
Subject: [PATCH 2021/3638] PCI quirks: disable msi on AMD rs4xx internal gfx
 bridges

Doesn't work reliably for internal gfx.  Fixes kernel bug
https://bugzilla.kernel.org/show_bug.cgi?id=15626.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Stable <stable@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/quirks.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 48078253021..e5861d5a2e4 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2127,6 +2127,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x9602, quirk_disable_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASUSTEK, 0x9602, quirk_disable_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AI, 0x9602, quirk_disable_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x5a3f, quirk_disable_msi);
 
 /* Go through the list of Hypertransport capabilities and
  * return 1 if a HT MSI capability is found and enabled */

From 06f1962ab475bdee3ae17afbaecee5b23f3cd5f0 Mon Sep 17 00:00:00 2001
From: Barry Song <Barry.Song@analog.com>
Date: Sun, 16 May 2010 21:11:37 +0100
Subject: [PATCH 2022/3638] Staging: iio: adis16220 vibration sensor driver

Signed-off-by: Barry Song <Barry.Song@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/Kconfig          |   7 +
 drivers/staging/iio/accel/Makefile         |   3 +
 drivers/staging/iio/accel/accel.h          |   6 +
 drivers/staging/iio/accel/adis16220.h      | 150 +++++
 drivers/staging/iio/accel/adis16220_core.c | 664 +++++++++++++++++++++
 5 files changed, 830 insertions(+)
 create mode 100644 drivers/staging/iio/accel/adis16220.h
 create mode 100644 drivers/staging/iio/accel/adis16220_core.c

diff --git a/drivers/staging/iio/accel/Kconfig b/drivers/staging/iio/accel/Kconfig
index 8f3f70f10a3..b4e57d1bc87 100644
--- a/drivers/staging/iio/accel/Kconfig
+++ b/drivers/staging/iio/accel/Kconfig
@@ -12,6 +12,13 @@ config ADIS16209
          Say yes here to build support for Analog Devices adis16209 dual-axis digital inclinometer
 	 and accelerometer.
 
+config ADIS16220
+       tristate "Analog Devices ADIS16220 Programmable Digital Vibration Sensor driver"
+       depends on SPI
+       help
+         Say yes here to build support for Analog Devices adis16220 programmable
+         digital vibration sensor.
+
 config ADIS16240
        tristate "Analog Devices ADIS16240 Programmable Impact Sensor and Recorder"
        depends on SPI
diff --git a/drivers/staging/iio/accel/Makefile b/drivers/staging/iio/accel/Makefile
index 0e6762c3487..c34b13634c2 100644
--- a/drivers/staging/iio/accel/Makefile
+++ b/drivers/staging/iio/accel/Makefile
@@ -5,6 +5,9 @@ adis16209-y             := adis16209_core.o
 adis16209-$(CONFIG_IIO_RING_BUFFER) += adis16209_ring.o adis16209_trigger.o
 obj-$(CONFIG_ADIS16209) += adis16209.o
 
+adis16220-y             := adis16220_core.o
+obj-$(CONFIG_ADIS16220) += adis16220.o
+
 adis16240-y             := adis16240_core.o
 adis16240-$(CONFIG_IIO_RING_BUFFER) += adis16240_ring.o adis16240_trigger.o
 obj-$(CONFIG_ADIS16240) += adis16240.o
diff --git a/drivers/staging/iio/accel/accel.h b/drivers/staging/iio/accel/accel.h
index 059209c9e33..1b6e37f7620 100644
--- a/drivers/staging/iio/accel/accel.h
+++ b/drivers/staging/iio/accel/accel.h
@@ -2,6 +2,9 @@
 #include "../sysfs.h"
 
 /* Accelerometer types of attribute */
+#define IIO_DEV_ATTR_ACCEL_OFFSET(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(accel_offset, _mode, _show, _store, _addr)
+
 #define IIO_DEV_ATTR_ACCEL_X_OFFSET(_mode, _show, _store, _addr)	\
 	IIO_DEVICE_ATTR(accel_x_offset, _mode, _show, _store, _addr)
 
@@ -20,6 +23,9 @@
 #define IIO_DEV_ATTR_ACCEL_Z_GAIN(_mode, _show, _store, _addr)		\
 	IIO_DEVICE_ATTR(accel_z_gain, _mode, _show, _store, _addr)
 
+#define IIO_DEV_ATTR_ACCEL(_show, _addr)			\
+	IIO_DEVICE_ATTR(accel_raw, S_IRUGO, _show, NULL, _addr)
+
 #define IIO_DEV_ATTR_ACCEL_X(_show, _addr)			\
 	IIO_DEVICE_ATTR(accel_x_raw, S_IRUGO, _show, NULL, _addr)
 
diff --git a/drivers/staging/iio/accel/adis16220.h b/drivers/staging/iio/accel/adis16220.h
new file mode 100644
index 00000000000..6b49f70eff4
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16220.h
@@ -0,0 +1,150 @@
+#ifndef SPI_ADIS16220_H_
+#define SPI_ADIS16220_H_
+
+#define ADIS16220_STARTUP_DELAY	220 /* ms */
+
+#define ADIS16220_READ_REG(a)    a
+#define ADIS16220_WRITE_REG(a) ((a) | 0x80)
+
+/* Flash memory write count */
+#define ADIS16220_FLASH_CNT     0x00
+/* Control, acceleration offset adjustment control */
+#define ADIS16220_ACCL_NULL     0x02
+/* Control, AIN1 offset adjustment control */
+#define ADIS16220_AIN1_NULL     0x04
+/* Control, AIN2 offset adjustment control */
+#define ADIS16220_AIN2_NULL     0x06
+/* Output, power supply during capture */
+#define ADIS16220_CAPT_SUPPLY   0x0A
+/* Output, temperature during capture */
+#define ADIS16220_CAPT_TEMP     0x0C
+/* Output, peak acceleration during capture */
+#define ADIS16220_CAPT_PEAKA    0x0E
+/* Output, peak AIN1 level during capture */
+#define ADIS16220_CAPT_PEAK1    0x10
+/* Output, peak AIN2 level during capture */
+#define ADIS16220_CAPT_PEAK2    0x12
+/* Output, capture buffer for acceleration */
+#define ADIS16220_CAPT_BUFA     0x14
+/* Output, capture buffer for AIN1 */
+#define ADIS16220_CAPT_BUF1     0x16
+/* Output, capture buffer for AIN2 */
+#define ADIS16220_CAPT_BUF2     0x18
+/* Control, capture buffer address pointer */
+#define ADIS16220_CAPT_PNTR     0x1A
+/* Control, capture control register */
+#define ADIS16220_CAPT_CTRL     0x1C
+/* Control, capture period (automatic mode) */
+#define ADIS16220_CAPT_PRD      0x1E
+/* Control, Alarm A, acceleration peak threshold */
+#define ADIS16220_ALM_MAGA      0x20
+/* Control, Alarm 1, AIN1 peak threshold */
+#define ADIS16220_ALM_MAG1      0x22
+/* Control, Alarm 2, AIN2 peak threshold */
+#define ADIS16220_ALM_MAG2      0x24
+/* Control, Alarm S, peak threshold */
+#define ADIS16220_ALM_MAGS      0x26
+/* Control, alarm configuration register */
+#define ADIS16220_ALM_CTRL      0x28
+/* Control, general I/O configuration */
+#define ADIS16220_GPIO_CTRL     0x32
+/* Control, self-test control, AIN configuration */
+#define ADIS16220_MSC_CTRL      0x34
+/* Control, digital I/O configuration */
+#define ADIS16220_DIO_CTRL      0x36
+/* Control, filter configuration */
+#define ADIS16220_AVG_CNT       0x38
+/* Status, system status */
+#define ADIS16220_DIAG_STAT     0x3C
+/* Control, system commands */
+#define ADIS16220_GLOB_CMD      0x3E
+/* Status, self-test response */
+#define ADIS16220_ST_DELTA      0x40
+/* Lot Identification Code 1 */
+#define ADIS16220_LOT_ID1       0x52
+/* Lot Identification Code 2 */
+#define ADIS16220_LOT_ID2       0x54
+/* Product identifier; convert to decimal = 16220 */
+#define ADIS16220_PROD_ID       0x56
+/* Serial number */
+#define ADIS16220_SERIAL_NUM    0x58
+
+#define ADIS16220_CAPTURE_SIZE  2048
+
+/* MSC_CTRL */
+#define ADIS16220_MSC_CTRL_SELF_TEST_EN	        (1 << 8)
+#define ADIS16220_MSC_CTRL_POWER_SUP_COM_AIN1	(1 << 1)
+#define ADIS16220_MSC_CTRL_POWER_SUP_COM_AIN2	(1 << 0)
+
+/* DIO_CTRL */
+#define ADIS16220_MSC_CTRL_DIO2_BUSY_IND     (3<<4)
+#define ADIS16220_MSC_CTRL_DIO1_BUSY_IND     (3<<2)
+#define ADIS16220_MSC_CTRL_DIO2_ACT_HIGH     (1<<1)
+#define ADIS16220_MSC_CTRL_DIO1_ACT_HIGH     (1<<0)
+
+/* DIAG_STAT */
+/* AIN2 sample > ALM_MAG2 */
+#define ADIS16220_DIAG_STAT_ALM_MAG2    (1<<14)
+/* AIN1 sample > ALM_MAG1 */
+#define ADIS16220_DIAG_STAT_ALM_MAG1    (1<<13)
+/* Acceleration sample > ALM_MAGA */
+#define ADIS16220_DIAG_STAT_ALM_MAGA    (1<<12)
+/* Error condition programmed into ALM_MAGS[11:0] and ALM_CTRL[5:4] is true */
+#define ADIS16220_DIAG_STAT_ALM_MAGS    (1<<11)
+/* |Peak value in AIN2 data capture| > ALM_MAG2 */
+#define ADIS16220_DIAG_STAT_PEAK_AIN2   (1<<10)
+/* |Peak value in AIN1 data capture| > ALM_MAG1 */
+#define ADIS16220_DIAG_STAT_PEAK_AIN1   (1<<9)
+/* |Peak value in acceleration data capture| > ALM_MAGA */
+#define ADIS16220_DIAG_STAT_PEAK_ACCEL  (1<<8)
+/* Data ready, capture complete */
+#define ADIS16220_DIAG_STAT_DATA_RDY    (1<<7)
+#define ADIS16220_DIAG_STAT_FLASH_CHK	(1<<6)
+#define ADIS16220_DIAG_STAT_SELF_TEST	(1<<5)
+/* Capture period violation/interruption */
+#define ADIS16220_DIAG_STAT_VIOLATION	(1<<4)
+/* SPI communications failure */
+#define ADIS16220_DIAG_STAT_SPI_FAIL	(1<<3)
+/* Flash update failure */
+#define ADIS16220_DIAG_STAT_FLASH_UPT	(1<<2)
+/* Power supply above 3.625 V */
+#define ADIS16220_DIAG_STAT_POWER_HIGH	(1<<1)
+/* Power supply below 3.15 V */
+#define ADIS16220_DIAG_STAT_POWER_LOW	(1<<0)
+
+/* GLOB_CMD */
+#define ADIS16220_GLOB_CMD_SW_RESET	(1<<7)
+#define ADIS16220_GLOB_CMD_SELF_TEST	(1<<2)
+#define ADIS16220_GLOB_CMD_PWR_DOWN	(1<<1)
+
+#define ADIS16220_MAX_TX 2048
+#define ADIS16220_MAX_RX 2048
+
+#define ADIS16220_SPI_BURST	(u32)(1000 * 1000)
+#define ADIS16220_SPI_FAST	(u32)(2000 * 1000)
+
+/**
+ * struct adis16220_state - device instance specific data
+ * @us:			actual spi_device
+ * @work_trigger_to_ring: bh for triggered event handling
+ * @work_cont_thresh: CLEAN
+ * @inter:		used to check if new interrupt has been triggered
+ * @last_timestamp:	passing timestamp from th to bh of interrupt handler
+ * @indio_dev:		industrial I/O device structure
+ * @trig:		data ready trigger registered with iio
+ * @tx:			transmit buffer
+ * @rx:			recieve buffer
+ * @buf_lock:		mutex to protect tx and rx
+ **/
+struct adis16220_state {
+	struct spi_device		*us;
+	struct iio_dev			*indio_dev;
+	u8				*tx;
+	u8				*rx;
+	struct bin_attribute            accel_bin;
+	struct bin_attribute            adc1_bin;
+	struct bin_attribute            adc2_bin;
+	struct mutex			buf_lock;
+};
+
+#endif /* SPI_ADIS16220_H_ */
diff --git a/drivers/staging/iio/accel/adis16220_core.c b/drivers/staging/iio/accel/adis16220_core.c
new file mode 100644
index 00000000000..8b845d9b7b9
--- /dev/null
+++ b/drivers/staging/iio/accel/adis16220_core.c
@@ -0,0 +1,664 @@
+/*
+ * ADIS16220 Programmable Digital Vibration Sensor driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "accel.h"
+#include "../adc/adc.h"
+
+#include "adis16220.h"
+
+#define DRIVER_NAME		"adis16220"
+
+static int adis16220_check_status(struct device *dev);
+
+/**
+ * adis16220_spi_write_reg_8() - write single byte to a register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the register to be written
+ * @val: the value to write
+ **/
+static int adis16220_spi_write_reg_8(struct device *dev,
+		u8 reg_address,
+		u8 val)
+{
+	int ret;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16220_state *st = iio_dev_get_devdata(indio_dev);
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16220_WRITE_REG(reg_address);
+	st->tx[1] = val;
+
+	ret = spi_write(st->us, st->tx, 2);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16220_spi_write_reg_16() - write 2 bytes to a pair of registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: value to be written
+ **/
+static int adis16220_spi_write_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 value)
+{
+	int ret;
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16220_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		}, {
+			.tx_buf = st->tx + 2,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16220_WRITE_REG(lower_reg_address);
+	st->tx[1] = value & 0xFF;
+	st->tx[2] = ADIS16220_WRITE_REG(lower_reg_address + 1);
+	st->tx[3] = (value >> 8) & 0xFF;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16220_spi_read_reg_16() - read 2 bytes from a 16-bit register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: somewhere to pass back the value read
+ **/
+static int adis16220_spi_read_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 *val)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16220_state *st = iio_dev_get_devdata(indio_dev);
+	int ret;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		}, {
+			.rx_buf = st->rx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16220_READ_REG(lower_reg_address);
+	st->tx[1] = 0;
+	st->tx[2] = 0;
+	st->tx[3] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	if (ret) {
+		dev_err(&st->us->dev,
+			"problem when reading 16 bit register 0x%02X",
+			lower_reg_address);
+		goto error_ret;
+	}
+	*val = (st->rx[0] << 8) | st->rx[1];
+
+error_ret:
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+static ssize_t adis16220_spi_read_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf,
+		unsigned bits)
+{
+	int ret;
+	s16 val = 0;
+	unsigned shift = 16 - bits;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16220_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
+	if (ret)
+		return ret;
+
+	val = ((s16)(val << shift) >> shift);
+	return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t adis16220_read_12bit_unsigned(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret;
+	u16 val = 0;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16220_spi_read_reg_16(dev, this_attr->address, &val);
+	if (ret)
+		return ret;
+
+	return sprintf(buf, "%u\n", val & 0x0FFF);
+}
+
+static ssize_t adis16220_read_16bit(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16220_spi_read_signed(dev, attr, buf, 16);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16220_write_16bit(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	int ret;
+	long val;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		goto error_ret;
+	ret = adis16220_spi_write_reg_16(dev, this_attr->address, val);
+
+error_ret:
+	return ret ? ret : len;
+}
+
+static int adis16220_capture(struct device *dev)
+{
+	int ret;
+	ret = adis16220_spi_write_reg_16(dev,
+			ADIS16220_GLOB_CMD,
+			0xBF08); /* initiates a manual data capture */
+	if (ret)
+		dev_err(dev, "problem beginning capture");
+
+	msleep(10); /* delay for capture to finish */
+
+	return ret;
+}
+
+static int adis16220_reset(struct device *dev)
+{
+	int ret;
+	ret = adis16220_spi_write_reg_8(dev,
+			ADIS16220_GLOB_CMD,
+			ADIS16220_GLOB_CMD_SW_RESET);
+	if (ret)
+		dev_err(dev, "problem resetting device");
+
+	return ret;
+}
+
+static ssize_t adis16220_write_reset(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t len)
+{
+	if (len < 1)
+		return -1;
+	switch (buf[0]) {
+	case '1':
+	case 'y':
+	case 'Y':
+		return adis16220_reset(dev) == 0 ? len : -EIO;
+	}
+	return -1;
+}
+
+static ssize_t adis16220_write_capture(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t len)
+{
+	if (len < 1)
+		return -1;
+	switch (buf[0]) {
+	case '1':
+	case 'y':
+	case 'Y':
+		return adis16220_capture(dev) == 0 ? len : -EIO;
+	}
+	return -1;
+}
+
+static int adis16220_self_test(struct device *dev)
+{
+	int ret;
+	ret = adis16220_spi_write_reg_16(dev,
+			ADIS16220_MSC_CTRL,
+			ADIS16220_MSC_CTRL_SELF_TEST_EN);
+	if (ret) {
+		dev_err(dev, "problem starting self test");
+		goto err_ret;
+	}
+
+	adis16220_check_status(dev);
+
+err_ret:
+	return ret;
+}
+
+static int adis16220_check_status(struct device *dev)
+{
+	u16 status;
+	int ret;
+
+	ret = adis16220_spi_read_reg_16(dev, ADIS16220_DIAG_STAT, &status);
+
+	if (ret < 0) {
+		dev_err(dev, "Reading status failed\n");
+		goto error_ret;
+	}
+	ret = status & 0x7F;
+
+	if (status & ADIS16220_DIAG_STAT_VIOLATION)
+		dev_err(dev, "Capture period violation/interruption\n");
+	if (status & ADIS16220_DIAG_STAT_SPI_FAIL)
+		dev_err(dev, "SPI failure\n");
+	if (status & ADIS16220_DIAG_STAT_FLASH_UPT)
+		dev_err(dev, "Flash update failed\n");
+	if (status & ADIS16220_DIAG_STAT_POWER_HIGH)
+		dev_err(dev, "Power supply above 5.25V\n");
+	if (status & ADIS16220_DIAG_STAT_POWER_LOW)
+		dev_err(dev, "Power supply below 4.75V\n");
+
+error_ret:
+	return ret;
+}
+
+static int adis16220_initial_setup(struct adis16220_state *st)
+{
+	int ret;
+	struct device *dev = &st->indio_dev->dev;
+
+	/* Do self test */
+	ret = adis16220_self_test(dev);
+	if (ret) {
+		dev_err(dev, "self test failure");
+		goto err_ret;
+	}
+
+	/* Read status register to check the result */
+	ret = adis16220_check_status(dev);
+	if (ret) {
+		adis16220_reset(dev);
+		dev_err(dev, "device not playing ball -> reset");
+		msleep(ADIS16220_STARTUP_DELAY);
+		ret = adis16220_check_status(dev);
+		if (ret) {
+			dev_err(dev, "giving up");
+			goto err_ret;
+		}
+	}
+
+	printk(KERN_INFO DRIVER_NAME ": at CS%d (irq %d)\n",
+			st->us->chip_select, st->us->irq);
+
+err_ret:
+	return ret;
+}
+
+static ssize_t adis16220_capture_buffer_read(struct adis16220_state *st,
+					char *buf,
+					loff_t off,
+					size_t count,
+					int addr)
+{
+	struct spi_message msg;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		}, {
+			.tx_buf = st->tx,
+			.rx_buf = st->rx,
+			.bits_per_word = 8,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		},
+	};
+	int ret;
+	int i;
+
+	if (unlikely(!count))
+		return count;
+
+	if ((off >= ADIS16220_CAPTURE_SIZE) || (count & 1) || (off & 1))
+		return -EINVAL;
+
+	if (off + count > ADIS16220_CAPTURE_SIZE)
+		count = ADIS16220_CAPTURE_SIZE - off;
+
+	/* write the begin position of capture buffer */
+	ret = adis16220_spi_write_reg_16(&st->indio_dev->dev,
+					ADIS16220_CAPT_PNTR,
+					off > 1);
+	if (ret)
+		return -EIO;
+
+	/* read count/2 values from capture buffer */
+	mutex_lock(&st->buf_lock);
+
+	for (i = 0; i < count; i += 2) {
+		st->tx[i] = ADIS16220_READ_REG(addr);
+		st->tx[i + 1] = 0;
+	}
+	xfers[1].len = count;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	if (ret) {
+
+		mutex_unlock(&st->buf_lock);
+		return -EIO;
+	}
+
+	memcpy(buf, st->rx, count);
+
+	mutex_unlock(&st->buf_lock);
+	return count;
+}
+
+static ssize_t adis16220_accel_bin_read(struct kobject *kobj,
+					struct bin_attribute *attr,
+					char *buf,
+					loff_t off,
+					size_t count)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16220_state *st = iio_dev_get_devdata(indio_dev);
+
+	return adis16220_capture_buffer_read(st, buf,
+					off, count,
+					ADIS16220_CAPT_BUFA);
+}
+
+static ssize_t adis16220_adc1_bin_read(struct kobject *kobj,
+				struct bin_attribute *attr,
+				char *buf, loff_t off,
+				size_t count)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16220_state *st = iio_dev_get_devdata(indio_dev);
+
+	return adis16220_capture_buffer_read(st, buf,
+					off, count,
+					ADIS16220_CAPT_BUF1);
+}
+
+static ssize_t adis16220_adc2_bin_read(struct kobject *kobj,
+				struct bin_attribute *attr,
+				char *buf, loff_t off,
+				size_t count)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16220_state *st = iio_dev_get_devdata(indio_dev);
+
+	return adis16220_capture_buffer_read(st, buf,
+					off, count,
+					ADIS16220_CAPT_BUF2);
+}
+
+static IIO_DEV_ATTR_IN_NAMED_RAW(supply, adis16220_read_12bit_unsigned,
+		ADIS16220_CAPT_SUPPLY);
+static IIO_CONST_ATTR(in_supply_scale, "0.0012207");
+static IIO_DEV_ATTR_ACCEL(adis16220_read_16bit, ADIS16220_CAPT_BUFA);
+static IIO_DEVICE_ATTR(accel_peak_raw, S_IRUGO, adis16220_read_16bit,
+		NULL, ADIS16220_CAPT_PEAKA);
+static IIO_DEV_ATTR_ACCEL_OFFSET(S_IWUSR | S_IRUGO,
+		adis16220_read_16bit,
+		adis16220_write_16bit,
+		ADIS16220_ACCL_NULL);
+static IIO_DEV_ATTR_TEMP_RAW(adis16220_read_12bit_unsigned);
+static IIO_CONST_ATTR(temp_offset, "25");
+static IIO_CONST_ATTR(temp_scale, "-0.47");
+
+static IIO_DEV_ATTR_IN_RAW(0, adis16220_read_16bit, ADIS16220_CAPT_BUF1);
+static IIO_DEV_ATTR_IN_RAW(1, adis16220_read_16bit, ADIS16220_CAPT_BUF2);
+
+static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL,
+		adis16220_write_reset, 0);
+
+#define IIO_DEV_ATTR_CAPTURE(_store)			\
+	IIO_DEVICE_ATTR(capture, S_IWUGO, NULL, _store, 0)
+
+static IIO_DEV_ATTR_CAPTURE(adis16220_write_capture);
+
+#define IIO_DEV_ATTR_CAPTURE_COUNT(_mode, _show, _store, _addr)	\
+	IIO_DEVICE_ATTR(capture_count, _mode, _show, _store, _addr)
+
+static IIO_DEV_ATTR_CAPTURE_COUNT(S_IWUSR | S_IRUGO,
+		adis16220_read_16bit,
+		adis16220_write_16bit,
+		ADIS16220_CAPT_PNTR);
+
+static IIO_CONST_ATTR_AVAIL_SAMP_FREQ("100200");
+
+static IIO_CONST_ATTR(name, "adis16220");
+
+static struct attribute *adis16220_attributes[] = {
+	&iio_dev_attr_in_supply_raw.dev_attr.attr,
+	&iio_const_attr_in_supply_scale.dev_attr.attr,
+	&iio_dev_attr_accel_raw.dev_attr.attr,
+	&iio_dev_attr_accel_offset.dev_attr.attr,
+	&iio_dev_attr_accel_peak_raw.dev_attr.attr,
+	&iio_dev_attr_temp_raw.dev_attr.attr,
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_dev_attr_in1_raw.dev_attr.attr,
+	&iio_const_attr_temp_offset.dev_attr.attr,
+	&iio_const_attr_temp_scale.dev_attr.attr,
+	&iio_const_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_dev_attr_reset.dev_attr.attr,
+	&iio_dev_attr_capture.dev_attr.attr,
+	&iio_dev_attr_capture_count.dev_attr.attr,
+	&iio_const_attr_name.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group adis16220_attribute_group = {
+	.attrs = adis16220_attributes,
+};
+
+static int __devinit adis16220_probe(struct spi_device *spi)
+{
+	int ret, regdone = 0;
+	struct adis16220_state *st = kzalloc(sizeof *st, GFP_KERNEL);
+	if (!st) {
+		ret =  -ENOMEM;
+		goto error_ret;
+	}
+	/* this is only used for removal purposes */
+	spi_set_drvdata(spi, st);
+
+	/* Allocate the comms buffers */
+	st->rx = kzalloc(sizeof(*st->rx)*ADIS16220_MAX_RX, GFP_KERNEL);
+	if (st->rx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_st;
+	}
+	st->tx = kzalloc(sizeof(*st->tx)*ADIS16220_MAX_TX, GFP_KERNEL);
+	if (st->tx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_rx;
+	}
+	st->us = spi;
+	mutex_init(&st->buf_lock);
+	/* setup the industrialio driver allocated elements */
+	st->indio_dev = iio_allocate_device();
+	if (st->indio_dev == NULL) {
+		ret = -ENOMEM;
+		goto error_free_tx;
+	}
+
+	st->indio_dev->dev.parent = &spi->dev;
+	st->indio_dev->attrs = &adis16220_attribute_group;
+	st->indio_dev->dev_data = (void *)(st);
+	st->indio_dev->driver_module = THIS_MODULE;
+	st->indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = iio_device_register(st->indio_dev);
+	if (ret)
+		goto error_free_dev;
+	regdone = 1;
+
+	st->accel_bin.attr.name = "accel_bin";
+	st->accel_bin.attr.mode = S_IRUGO;
+	st->accel_bin.attr.owner = THIS_MODULE;
+	st->accel_bin.read = adis16220_accel_bin_read;
+	st->accel_bin.size = ADIS16220_CAPTURE_SIZE;
+
+	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &st->accel_bin);
+	if (ret)
+		goto error_free_dev;
+
+	st->adc1_bin.attr.name = "adc1_bin";
+	st->adc1_bin.attr.mode = S_IRUGO;
+	st->adc1_bin.attr.owner = THIS_MODULE;
+	st->adc1_bin.read = adis16220_adc1_bin_read;
+	st->adc1_bin.size = ADIS16220_CAPTURE_SIZE;
+
+	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &st->adc1_bin);
+	if (ret)
+		goto error_rm_accel_bin;
+
+	st->adc2_bin.attr.name = "adc2_bin";
+	st->adc2_bin.attr.mode = S_IRUGO;
+	st->adc2_bin.attr.owner = THIS_MODULE;
+	st->adc2_bin.read = adis16220_adc2_bin_read;
+	st->adc2_bin.size = ADIS16220_CAPTURE_SIZE;
+
+	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &st->adc2_bin);
+	if (ret)
+		goto error_rm_adc1_bin;
+
+	/* Get the device into a sane initial state */
+	ret = adis16220_initial_setup(st);
+	if (ret)
+		goto error_rm_adc2_bin;
+	return 0;
+
+error_rm_adc2_bin:
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->adc2_bin);
+error_rm_adc1_bin:
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->adc1_bin);
+error_rm_accel_bin:
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->accel_bin);
+error_free_dev:
+	if (regdone)
+		iio_device_unregister(st->indio_dev);
+	else
+		iio_free_device(st->indio_dev);
+error_free_tx:
+	kfree(st->tx);
+error_free_rx:
+	kfree(st->rx);
+error_free_st:
+	kfree(st);
+error_ret:
+	return ret;
+}
+
+static int adis16220_remove(struct spi_device *spi)
+{
+	struct adis16220_state *st = spi_get_drvdata(spi);
+	struct iio_dev *indio_dev = st->indio_dev;
+
+	flush_scheduled_work();
+
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->adc2_bin);
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->adc1_bin);
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->accel_bin);
+	iio_device_unregister(indio_dev);
+	kfree(st->tx);
+	kfree(st->rx);
+	kfree(st);
+
+	return 0;
+}
+
+static struct spi_driver adis16220_driver = {
+	.driver = {
+		.name = "adis16220",
+		.owner = THIS_MODULE,
+	},
+	.probe = adis16220_probe,
+	.remove = __devexit_p(adis16220_remove),
+};
+
+static __init int adis16220_init(void)
+{
+	return spi_register_driver(&adis16220_driver);
+}
+module_init(adis16220_init);
+
+static __exit void adis16220_exit(void)
+{
+	spi_unregister_driver(&adis16220_driver);
+}
+module_exit(adis16220_exit);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16220 Digital Vibration Sensor");
+MODULE_LICENSE("GPL v2");

From 9a3af585e7fe3df35b233977579b5ab6e4c7005f Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Sun, 16 May 2010 21:11:38 +0100
Subject: [PATCH 2023/3638] Staging: iio: adis16220 extract bin_attribute
 structures from state

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/accel/adis16220.h      |   3 -
 drivers/staging/iio/accel/adis16220_core.c | 106 +++++++++++----------
 2 files changed, 56 insertions(+), 53 deletions(-)

diff --git a/drivers/staging/iio/accel/adis16220.h b/drivers/staging/iio/accel/adis16220.h
index 6b49f70eff4..2abf4850b37 100644
--- a/drivers/staging/iio/accel/adis16220.h
+++ b/drivers/staging/iio/accel/adis16220.h
@@ -141,9 +141,6 @@ struct adis16220_state {
 	struct iio_dev			*indio_dev;
 	u8				*tx;
 	u8				*rx;
-	struct bin_attribute            accel_bin;
-	struct bin_attribute            adc1_bin;
-	struct bin_attribute            adc2_bin;
 	struct mutex			buf_lock;
 };
 
diff --git a/drivers/staging/iio/accel/adis16220_core.c b/drivers/staging/iio/accel/adis16220_core.c
index 8b845d9b7b9..6de439fd167 100644
--- a/drivers/staging/iio/accel/adis16220_core.c
+++ b/drivers/staging/iio/accel/adis16220_core.c
@@ -27,8 +27,6 @@
 
 #define DRIVER_NAME		"adis16220"
 
-static int adis16220_check_status(struct device *dev);
-
 /**
  * adis16220_spi_write_reg_8() - write single byte to a register
  * @dev: device associated with child of actual device (iio_dev or iio_trig)
@@ -133,8 +131,6 @@ static int adis16220_spi_read_reg_16(struct device *dev,
 	mutex_lock(&st->buf_lock);
 	st->tx[0] = ADIS16220_READ_REG(lower_reg_address);
 	st->tx[1] = 0;
-	st->tx[2] = 0;
-	st->tx[3] = 0;
 
 	spi_message_init(&msg);
 	spi_message_add_tail(&xfers[0], &msg);
@@ -275,23 +271,6 @@ static ssize_t adis16220_write_capture(struct device *dev,
 	return -1;
 }
 
-static int adis16220_self_test(struct device *dev)
-{
-	int ret;
-	ret = adis16220_spi_write_reg_16(dev,
-			ADIS16220_MSC_CTRL,
-			ADIS16220_MSC_CTRL_SELF_TEST_EN);
-	if (ret) {
-		dev_err(dev, "problem starting self test");
-		goto err_ret;
-	}
-
-	adis16220_check_status(dev);
-
-err_ret:
-	return ret;
-}
-
 static int adis16220_check_status(struct device *dev)
 {
 	u16 status;
@@ -320,6 +299,23 @@ error_ret:
 	return ret;
 }
 
+static int adis16220_self_test(struct device *dev)
+{
+	int ret;
+	ret = adis16220_spi_write_reg_16(dev,
+			ADIS16220_MSC_CTRL,
+			ADIS16220_MSC_CTRL_SELF_TEST_EN);
+	if (ret) {
+		dev_err(dev, "problem starting self test");
+		goto err_ret;
+	}
+
+	adis16220_check_status(dev);
+
+err_ret:
+	return ret;
+}
+
 static int adis16220_initial_setup(struct adis16220_state *st)
 {
 	int ret;
@@ -433,6 +429,15 @@ static ssize_t adis16220_accel_bin_read(struct kobject *kobj,
 					ADIS16220_CAPT_BUFA);
 }
 
+static struct bin_attribute accel_bin = {
+	.attr = {
+		.name = "accel_bin",
+		.mode = S_IRUGO,
+	},
+	.read = adis16220_accel_bin_read,
+	.size = ADIS16220_CAPTURE_SIZE,
+};
+
 static ssize_t adis16220_adc1_bin_read(struct kobject *kobj,
 				struct bin_attribute *attr,
 				char *buf, loff_t off,
@@ -447,6 +452,15 @@ static ssize_t adis16220_adc1_bin_read(struct kobject *kobj,
 					ADIS16220_CAPT_BUF1);
 }
 
+static struct bin_attribute adc1_bin = {
+	.attr = {
+		.name = "in0_bin",
+		.mode = S_IRUGO,
+	},
+	.read =  adis16220_adc1_bin_read,
+	.size = ADIS16220_CAPTURE_SIZE,
+};
+
 static ssize_t adis16220_adc2_bin_read(struct kobject *kobj,
 				struct bin_attribute *attr,
 				char *buf, loff_t off,
@@ -461,6 +475,16 @@ static ssize_t adis16220_adc2_bin_read(struct kobject *kobj,
 					ADIS16220_CAPT_BUF2);
 }
 
+
+static struct bin_attribute adc2_bin = {
+	.attr = {
+		.name = "in1_bin",
+		.mode = S_IRUGO,
+	},
+	.read =  adis16220_adc2_bin_read,
+	.size = ADIS16220_CAPTURE_SIZE,
+};
+
 static IIO_DEV_ATTR_IN_NAMED_RAW(supply, adis16220_read_12bit_unsigned,
 		ADIS16220_CAPT_SUPPLY);
 static IIO_CONST_ATTR(in_supply_scale, "0.0012207");
@@ -481,12 +505,12 @@ static IIO_DEV_ATTR_IN_RAW(1, adis16220_read_16bit, ADIS16220_CAPT_BUF2);
 static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL,
 		adis16220_write_reset, 0);
 
-#define IIO_DEV_ATTR_CAPTURE(_store)			\
+#define IIO_DEV_ATTR_CAPTURE(_store)				\
 	IIO_DEVICE_ATTR(capture, S_IWUGO, NULL, _store, 0)
 
 static IIO_DEV_ATTR_CAPTURE(adis16220_write_capture);
 
-#define IIO_DEV_ATTR_CAPTURE_COUNT(_mode, _show, _store, _addr)	\
+#define IIO_DEV_ATTR_CAPTURE_COUNT(_mode, _show, _store, _addr)		\
 	IIO_DEVICE_ATTR(capture_count, _mode, _show, _store, _addr)
 
 static IIO_DEV_ATTR_CAPTURE_COUNT(S_IWUSR | S_IRUGO,
@@ -563,33 +587,15 @@ static int __devinit adis16220_probe(struct spi_device *spi)
 		goto error_free_dev;
 	regdone = 1;
 
-	st->accel_bin.attr.name = "accel_bin";
-	st->accel_bin.attr.mode = S_IRUGO;
-	st->accel_bin.attr.owner = THIS_MODULE;
-	st->accel_bin.read = adis16220_accel_bin_read;
-	st->accel_bin.size = ADIS16220_CAPTURE_SIZE;
-
-	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &st->accel_bin);
+	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &accel_bin);
 	if (ret)
 		goto error_free_dev;
 
-	st->adc1_bin.attr.name = "adc1_bin";
-	st->adc1_bin.attr.mode = S_IRUGO;
-	st->adc1_bin.attr.owner = THIS_MODULE;
-	st->adc1_bin.read = adis16220_adc1_bin_read;
-	st->adc1_bin.size = ADIS16220_CAPTURE_SIZE;
-
-	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &st->adc1_bin);
+	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &adc1_bin);
 	if (ret)
 		goto error_rm_accel_bin;
 
-	st->adc2_bin.attr.name = "adc2_bin";
-	st->adc2_bin.attr.mode = S_IRUGO;
-	st->adc2_bin.attr.owner = THIS_MODULE;
-	st->adc2_bin.read = adis16220_adc2_bin_read;
-	st->adc2_bin.size = ADIS16220_CAPTURE_SIZE;
-
-	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &st->adc2_bin);
+	ret = sysfs_create_bin_file(&st->indio_dev->dev.kobj, &adc2_bin);
 	if (ret)
 		goto error_rm_adc1_bin;
 
@@ -600,11 +606,11 @@ static int __devinit adis16220_probe(struct spi_device *spi)
 	return 0;
 
 error_rm_adc2_bin:
-	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->adc2_bin);
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &adc2_bin);
 error_rm_adc1_bin:
-	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->adc1_bin);
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &adc1_bin);
 error_rm_accel_bin:
-	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->accel_bin);
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &accel_bin);
 error_free_dev:
 	if (regdone)
 		iio_device_unregister(st->indio_dev);
@@ -627,9 +633,9 @@ static int adis16220_remove(struct spi_device *spi)
 
 	flush_scheduled_work();
 
-	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->adc2_bin);
-	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->adc1_bin);
-	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &st->accel_bin);
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &adc2_bin);
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &adc1_bin);
+	sysfs_remove_bin_file(&st->indio_dev->dev.kobj, &accel_bin);
 	iio_device_unregister(indio_dev);
 	kfree(st->tx);
 	kfree(st->rx);

From 81b77f94a10b64a3620e32531b5d8dbc495f1727 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Sun, 16 May 2010 21:29:25 +0100
Subject: [PATCH 2024/3638] Staging: iio: max1363 Fix two bugs in
 single_channel_from_ring

This patch contains fixes for the two bugs Michael pointed
out last week.  As the other suggestion Michael made is
not a bug fix (just a much more sensible way of handling
things), I'll do that as a separate patch soon.

The bugs were introduced with the abi changes.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Reported-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/adc/max1363_ring.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c
index c8aa01109ec..56688dc9c92 100644
--- a/drivers/staging/iio/adc/max1363_ring.c
+++ b/drivers/staging/iio/adc/max1363_ring.c
@@ -51,15 +51,15 @@ int max1363_single_channel_from_ring(long mask, struct max1363_state *st)
 	/* Need a count of channels prior to this one */
 	mask >>= 1;
 	while (mask) {
-		if (mask && st->current_mode->modemask)
+		if (mask & st->current_mode->modemask)
 			count++;
 		mask >>= 1;
 	}
 	if (st->chip_info->bits != 8)
-		return ((int)(ring_data[count*2 + 0] & 0x0F) << 8)
+		ret = ((int)(ring_data[count*2 + 0] & 0x0F) << 8)
 			+ (int)(ring_data[count*2 + 1]);
 	else
-		return ring_data[count];
+		ret = ring_data[count];
 
 error_free_ring_data:
 	kfree(ring_data);

From 5763dcab5cd7de27d6db50efd393c416177c56c7 Mon Sep 17 00:00:00 2001
From: Barry Song <Barry.Song@analog.com>
Date: Mon, 17 May 2010 11:40:20 +0100
Subject: [PATCH 2025/3638] staging: iio: adis16350 and similar IMU driver

This version has the right part number in the commit message.
Whilst technically the part I listed last time is also supported
by the driver, the commit message might have caused confusion.

Another driver from Barry at Analog.  Again, I've lifted
if from the blackfin tree and done the usual sparse
and checkpatch fixes + the abi changes.  I actually
have one of these, so am particularly pleased to see
it supported!

Signed-off-by: Barry Song <Barry.Song@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/iio/imu/Kconfig             |   9 +
 drivers/staging/iio/imu/Makefile            |   4 +
 drivers/staging/iio/imu/adis16350.h         | 193 +++++
 drivers/staging/iio/imu/adis16350_core.c    | 736 ++++++++++++++++++++
 drivers/staging/iio/imu/adis16350_ring.c    | 286 ++++++++
 drivers/staging/iio/imu/adis16350_trigger.c | 127 ++++
 6 files changed, 1355 insertions(+)
 create mode 100644 drivers/staging/iio/imu/adis16350.h
 create mode 100644 drivers/staging/iio/imu/adis16350_core.c
 create mode 100644 drivers/staging/iio/imu/adis16350_ring.c
 create mode 100644 drivers/staging/iio/imu/adis16350_trigger.c

diff --git a/drivers/staging/iio/imu/Kconfig b/drivers/staging/iio/imu/Kconfig
index 411804f11a7..6308d6faad5 100644
--- a/drivers/staging/iio/imu/Kconfig
+++ b/drivers/staging/iio/imu/Kconfig
@@ -13,6 +13,15 @@ config ADIS16300
 	  Say yes here to build support for Analog Devices adis16300 four degrees
 	  of freedom inertial sensor.
 
+config ADIS16350
+	tristate "Analog Devices ADIS16350/54/55/60/62/64/65 IMU SPI driver"
+	depends on SPI
+	select IIO_TRIGGER if IIO_RING_BUFFER
+	select IIO_SW_RING if IIO_RING_BUFFER
+	help
+	  Say yes here to build support for Analog Devices adis16350/54/55/60/62/64/65
+	  high precision tri-axis inertial sensor.
+
 config ADIS16400
 	tristate "Analog Devices ADIS16400/5 IMU SPI driver"
  	depends on SPI
diff --git a/drivers/staging/iio/imu/Makefile b/drivers/staging/iio/imu/Makefile
index de454dd08c6..31df7359e20 100644
--- a/drivers/staging/iio/imu/Makefile
+++ b/drivers/staging/iio/imu/Makefile
@@ -5,6 +5,10 @@ adis16300-y             := adis16300_core.o
 adis16300-$(CONFIG_IIO_RING_BUFFER) += adis16300_ring.o adis16300_trigger.o
 obj-$(CONFIG_ADIS16300) += adis16300.o
 
+adis16350-y             := adis16350_core.o
+adis16350-$(CONFIG_IIO_RING_BUFFER) += adis16350_ring.o adis16350_trigger.o
+obj-$(CONFIG_ADIS16350) += adis16350.o
+
 adis16400-y             := adis16400_core.o
 adis16400-$(CONFIG_IIO_RING_BUFFER) += adis16400_ring.o adis16400_trigger.o
 obj-$(CONFIG_ADIS16400) += adis16400.o
\ No newline at end of file
diff --git a/drivers/staging/iio/imu/adis16350.h b/drivers/staging/iio/imu/adis16350.h
new file mode 100644
index 00000000000..334b18ace38
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16350.h
@@ -0,0 +1,193 @@
+#ifndef SPI_ADIS16350_H_
+#define SPI_ADIS16350_H_
+
+#define ADIS16350_STARTUP_DELAY	220 /* ms */
+
+#define ADIS16350_READ_REG(a)    a
+#define ADIS16350_WRITE_REG(a) ((a) | 0x80)
+
+#define ADIS16350_FLASH_CNT  0x00 /* Flash memory write count */
+#define ADIS16350_SUPPLY_OUT 0x02 /* Power supply measurement */
+#define ADIS16350_XGYRO_OUT 0x04 /* X-axis gyroscope output */
+#define ADIS16350_YGYRO_OUT 0x06 /* Y-axis gyroscope output */
+#define ADIS16350_ZGYRO_OUT 0x08 /* Z-axis gyroscope output */
+#define ADIS16350_XACCL_OUT 0x0A /* X-axis accelerometer output */
+#define ADIS16350_YACCL_OUT 0x0C /* Y-axis accelerometer output */
+#define ADIS16350_ZACCL_OUT 0x0E /* Z-axis accelerometer output */
+#define ADIS16350_XTEMP_OUT 0x10 /* X-axis gyroscope temperature measurement */
+#define ADIS16350_YTEMP_OUT 0x12 /* Y-axis gyroscope temperature measurement */
+#define ADIS16350_ZTEMP_OUT 0x14 /* Z-axis gyroscope temperature measurement */
+#define ADIS16350_AUX_ADC   0x16 /* Auxiliary ADC measurement */
+
+/* Calibration parameters */
+#define ADIS16350_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */
+#define ADIS16350_YGYRO_OFF 0x1C /* Y-axis gyroscope bias offset factor */
+#define ADIS16350_ZGYRO_OFF 0x1E /* Z-axis gyroscope bias offset factor */
+#define ADIS16350_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */
+#define ADIS16350_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */
+#define ADIS16350_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */
+
+#define ADIS16350_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */
+#define ADIS16350_MSC_CTRL  0x34 /* Miscellaneous control */
+#define ADIS16350_SMPL_PRD  0x36 /* Internal sample period (rate) control */
+#define ADIS16350_SENS_AVG  0x38 /* Dynamic range and digital filter control */
+#define ADIS16350_SLP_CNT   0x3A /* Sleep mode control */
+#define ADIS16350_DIAG_STAT 0x3C /* System status */
+
+/* Alarm functions */
+#define ADIS16350_GLOB_CMD  0x3E /* System command */
+#define ADIS16350_ALM_MAG1  0x26 /* Alarm 1 amplitude threshold */
+#define ADIS16350_ALM_MAG2  0x28 /* Alarm 2 amplitude threshold */
+#define ADIS16350_ALM_SMPL1 0x2A /* Alarm 1 sample size */
+#define ADIS16350_ALM_SMPL2 0x2C /* Alarm 2 sample size */
+#define ADIS16350_ALM_CTRL  0x2E /* Alarm control */
+#define ADIS16350_AUX_DAC   0x30 /* Auxiliary DAC data */
+
+#define ADIS16350_ERROR_ACTIVE			(1<<14)
+#define ADIS16350_NEW_DATA			(1<<15)
+
+/* MSC_CTRL */
+#define ADIS16350_MSC_CTRL_MEM_TEST		(1<<11)
+#define ADIS16350_MSC_CTRL_INT_SELF_TEST	(1<<10)
+#define ADIS16350_MSC_CTRL_NEG_SELF_TEST	(1<<9)
+#define ADIS16350_MSC_CTRL_POS_SELF_TEST	(1<<8)
+#define ADIS16350_MSC_CTRL_GYRO_BIAS		(1<<7)
+#define ADIS16350_MSC_CTRL_ACCL_ALIGN		(1<<6)
+#define ADIS16350_MSC_CTRL_DATA_RDY_EN		(1<<2)
+#define ADIS16350_MSC_CTRL_DATA_RDY_POL_HIGH	(1<<1)
+#define ADIS16350_MSC_CTRL_DATA_RDY_DIO2	(1<<0)
+
+/* SMPL_PRD */
+#define ADIS16350_SMPL_PRD_TIME_BASE	(1<<7)
+#define ADIS16350_SMPL_PRD_DIV_MASK	0x7F
+
+/* DIAG_STAT */
+#define ADIS16350_DIAG_STAT_ZACCL_FAIL	(1<<15)
+#define ADIS16350_DIAG_STAT_YACCL_FAIL	(1<<14)
+#define ADIS16350_DIAG_STAT_XACCL_FAIL	(1<<13)
+#define ADIS16350_DIAG_STAT_XGYRO_FAIL	(1<<12)
+#define ADIS16350_DIAG_STAT_YGYRO_FAIL	(1<<11)
+#define ADIS16350_DIAG_STAT_ZGYRO_FAIL	(1<<10)
+#define ADIS16350_DIAG_STAT_ALARM2	(1<<9)
+#define ADIS16350_DIAG_STAT_ALARM1	(1<<8)
+#define ADIS16350_DIAG_STAT_FLASH_CHK	(1<<6)
+#define ADIS16350_DIAG_STAT_SELF_TEST	(1<<5)
+#define ADIS16350_DIAG_STAT_OVERFLOW	(1<<4)
+#define ADIS16350_DIAG_STAT_SPI_FAIL	(1<<3)
+#define ADIS16350_DIAG_STAT_FLASH_UPT	(1<<2)
+#define ADIS16350_DIAG_STAT_POWER_HIGH	(1<<1)
+#define ADIS16350_DIAG_STAT_POWER_LOW	(1<<0)
+
+/* GLOB_CMD */
+#define ADIS16350_GLOB_CMD_SW_RESET	(1<<7)
+#define ADIS16350_GLOB_CMD_P_AUTO_NULL	(1<<4)
+#define ADIS16350_GLOB_CMD_FLASH_UPD	(1<<3)
+#define ADIS16350_GLOB_CMD_DAC_LATCH	(1<<2)
+#define ADIS16350_GLOB_CMD_FAC_CALIB	(1<<1)
+#define ADIS16350_GLOB_CMD_AUTO_NULL	(1<<0)
+
+/* SLP_CNT */
+#define ADIS16350_SLP_CNT_POWER_OFF	(1<<8)
+
+#define ADIS16350_MAX_TX 24
+#define ADIS16350_MAX_RX 24
+
+#define ADIS16350_SPI_SLOW	(u32)(300 * 1000)
+#define ADIS16350_SPI_BURST	(u32)(1000 * 1000)
+#define ADIS16350_SPI_FAST	(u32)(2000 * 1000)
+
+/**
+ * struct adis16350_state - device instance specific data
+ * @us:			actual spi_device
+ * @work_trigger_to_ring: bh for triggered event handling
+ * @work_cont_thresh: CLEAN
+ * @inter:		used to check if new interrupt has been triggered
+ * @last_timestamp:	passing timestamp from th to bh of interrupt handler
+ * @indio_dev:		industrial I/O device structure
+ * @trig:		data ready trigger registered with iio
+ * @tx:			transmit buffer
+ * @rx:			recieve buffer
+ * @buf_lock:		mutex to protect tx and rx
+ **/
+struct adis16350_state {
+	struct spi_device		*us;
+	struct work_struct		work_trigger_to_ring;
+	struct iio_work_cont		work_cont_data_rdy;
+	s64				last_timestamp;
+	struct iio_dev			*indio_dev;
+	struct iio_trigger		*trig;
+	u8				*tx;
+	u8				*rx;
+	struct mutex			buf_lock;
+};
+
+int adis16350_set_irq(struct device *dev, bool enable);
+
+#ifdef CONFIG_IIO_RING_BUFFER
+
+enum adis16350_scan {
+	ADIS16350_SCAN_SUPPLY,
+	ADIS16350_SCAN_GYRO_X,
+	ADIS16350_SCAN_GYRO_Y,
+	ADIS16350_SCAN_GYRO_Z,
+	ADIS16350_SCAN_ACC_X,
+	ADIS16350_SCAN_ACC_Y,
+	ADIS16350_SCAN_ACC_Z,
+	ADIS16350_SCAN_TEMP_X,
+	ADIS16350_SCAN_TEMP_Y,
+	ADIS16350_SCAN_TEMP_Z,
+	ADIS16350_SCAN_ADC_0
+};
+
+void adis16350_remove_trigger(struct iio_dev *indio_dev);
+int adis16350_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t adis16350_read_data_from_ring(struct device *dev,
+				      struct device_attribute *attr,
+				      char *buf);
+
+
+int adis16350_configure_ring(struct iio_dev *indio_dev);
+void adis16350_unconfigure_ring(struct iio_dev *indio_dev);
+
+int adis16350_initialize_ring(struct iio_ring_buffer *ring);
+void adis16350_uninitialize_ring(struct iio_ring_buffer *ring);
+#else /* CONFIG_IIO_RING_BUFFER */
+
+static inline void adis16350_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16350_probe_trigger(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline ssize_t
+adis16350_read_data_from_ring(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	return 0;
+}
+
+static int adis16350_configure_ring(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline void adis16350_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16350_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return 0;
+}
+
+static inline void adis16350_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+}
+
+#endif /* CONFIG_IIO_RING_BUFFER */
+#endif /* SPI_ADIS16350_H_ */
diff --git a/drivers/staging/iio/imu/adis16350_core.c b/drivers/staging/iio/imu/adis16350_core.c
new file mode 100644
index 00000000000..0edde73ce5c
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16350_core.c
@@ -0,0 +1,736 @@
+/*
+ * ADIS16350/54/55/60/62/64/65 high precision tri-axis inertial sensor
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../accel/accel.h"
+#include "../adc/adc.h"
+#include "../gyro/gyro.h"
+
+#include "adis16350.h"
+
+#define DRIVER_NAME		"adis16350"
+
+static int adis16350_check_status(struct device *dev);
+
+/**
+ * adis16350_spi_write_reg_8() - write single byte to a register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the register to be written
+ * @val: the value to write
+ **/
+static int adis16350_spi_write_reg_8(struct device *dev,
+		u8 reg_address,
+		u8 val)
+{
+	int ret;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16350_state *st = iio_dev_get_devdata(indio_dev);
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16350_WRITE_REG(reg_address);
+	st->tx[1] = val;
+
+	ret = spi_write(st->us, st->tx, 2);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16350_spi_write_reg_16() - write 2 bytes to a pair of registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: value to be written
+ **/
+static int adis16350_spi_write_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 value)
+{
+	int ret;
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16350_state *st = iio_dev_get_devdata(indio_dev);
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		}, {
+			.tx_buf = st->tx + 2,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16350_WRITE_REG(lower_reg_address);
+	st->tx[1] = value & 0xFF;
+	st->tx[2] = ADIS16350_WRITE_REG(lower_reg_address + 1);
+	st->tx[3] = (value >> 8) & 0xFF;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	mutex_unlock(&st->buf_lock);
+
+	return ret;
+}
+
+/**
+ * adis16350_spi_read_reg_16() - read 2 bytes from a 16-bit register
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @reg_address: the address of the lower of the two registers. Second register
+ *               is assumed to have address one greater.
+ * @val: somewhere to pass back the value read
+ **/
+static int adis16350_spi_read_reg_16(struct device *dev,
+		u8 lower_reg_address,
+		u16 *val)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16350_state *st = iio_dev_get_devdata(indio_dev);
+	int ret;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		}, {
+			.rx_buf = st->rx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 1,
+			.delay_usecs = 25,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16350_READ_REG(lower_reg_address);
+	st->tx[1] = 0;
+	st->tx[2] = 0;
+	st->tx[3] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+	ret = spi_sync(st->us, &msg);
+	if (ret) {
+		dev_err(&st->us->dev,
+			"problem when reading 16 bit register 0x%02X",
+			lower_reg_address);
+		goto error_ret;
+	}
+	*val = (st->rx[0] << 8) | st->rx[1];
+
+error_ret:
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+
+static ssize_t adis16350_spi_read_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf,
+		unsigned bits)
+{
+	int ret;
+	s16 val = 0;
+	unsigned shift = 16 - bits;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16350_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16350_ERROR_ACTIVE)
+		adis16350_check_status(dev);
+	val = ((s16)(val << shift) >> shift);
+	return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t adis16350_read_12bit_unsigned(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret;
+	u16 val = 0;
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+	ret = adis16350_spi_read_reg_16(dev, this_attr->address, &val);
+	if (ret)
+		return ret;
+
+	if (val & ADIS16350_ERROR_ACTIVE)
+		adis16350_check_status(dev);
+
+	return sprintf(buf, "%u\n", val & 0x0FFF);
+}
+
+static ssize_t adis16350_read_14bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16350_spi_read_signed(dev, attr, buf, 14);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16350_read_12bit_signed(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	ssize_t ret;
+
+	/* Take the iio_dev status lock */
+	mutex_lock(&indio_dev->mlock);
+	ret =  adis16350_spi_read_signed(dev, attr, buf, 12);
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret;
+}
+
+static ssize_t adis16350_write_16bit(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+	int ret;
+	long val;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		goto error_ret;
+	ret = adis16350_spi_write_reg_16(dev, this_attr->address, val);
+
+error_ret:
+	return ret ? ret : len;
+}
+
+static ssize_t adis16350_read_frequency(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int ret, len = 0;
+	u16 t;
+	int sps;
+	ret = adis16350_spi_read_reg_16(dev,
+			ADIS16350_SMPL_PRD,
+			&t);
+	if (ret)
+		return ret;
+	sps =  (t & ADIS16350_SMPL_PRD_TIME_BASE) ? 53 : 1638;
+	sps /= (t & ADIS16350_SMPL_PRD_DIV_MASK) + 1;
+	len = sprintf(buf, "%d SPS\n", sps);
+	return len;
+}
+
+static ssize_t adis16350_write_frequency(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t len)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16350_state *st = iio_dev_get_devdata(indio_dev);
+	long val;
+	int ret;
+	u8 t;
+
+	ret = strict_strtol(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	mutex_lock(&indio_dev->mlock);
+
+	t = (1638 / val);
+	if (t > 0)
+		t--;
+	t &= ADIS16350_SMPL_PRD_DIV_MASK;
+	if ((t & ADIS16350_SMPL_PRD_DIV_MASK) >= 0x0A)
+		st->us->max_speed_hz = ADIS16350_SPI_SLOW;
+	else
+		st->us->max_speed_hz = ADIS16350_SPI_FAST;
+
+	ret = adis16350_spi_write_reg_8(dev,
+			ADIS16350_SMPL_PRD,
+			t);
+
+	mutex_unlock(&indio_dev->mlock);
+
+	return ret ? ret : len;
+}
+
+static int adis16350_reset(struct device *dev)
+{
+	int ret;
+	ret = adis16350_spi_write_reg_8(dev,
+			ADIS16350_GLOB_CMD,
+			ADIS16350_GLOB_CMD_SW_RESET);
+	if (ret)
+		dev_err(dev, "problem resetting device");
+
+	return ret;
+}
+
+static ssize_t adis16350_write_reset(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t len)
+{
+	if (len < 1)
+		return -1;
+	switch (buf[0]) {
+	case '1':
+	case 'y':
+	case 'Y':
+		return adis16350_reset(dev);
+	}
+	return -1;
+}
+
+int adis16350_set_irq(struct device *dev, bool enable)
+{
+	int ret;
+	u16 msc;
+	ret = adis16350_spi_read_reg_16(dev, ADIS16350_MSC_CTRL, &msc);
+	if (ret)
+		goto error_ret;
+
+	msc |= ADIS16350_MSC_CTRL_DATA_RDY_POL_HIGH;
+	msc &= ~ADIS16350_MSC_CTRL_DATA_RDY_DIO2;
+
+	if (enable)
+		msc |= ADIS16350_MSC_CTRL_DATA_RDY_EN;
+	else
+		msc &= ~ADIS16350_MSC_CTRL_DATA_RDY_EN;
+
+	ret = adis16350_spi_write_reg_16(dev, ADIS16350_MSC_CTRL, msc);
+	if (ret)
+		goto error_ret;
+
+error_ret:
+	return ret;
+}
+
+/* Power down the device */
+static int adis16350_stop_device(struct device *dev)
+{
+	int ret;
+	u16 val = ADIS16350_SLP_CNT_POWER_OFF;
+
+	ret = adis16350_spi_write_reg_16(dev, ADIS16350_SLP_CNT, val);
+	if (ret)
+		dev_err(dev, "problem with turning device off: SLP_CNT");
+
+	return ret;
+}
+
+static int adis16350_self_test(struct device *dev)
+{
+	int ret;
+	ret = adis16350_spi_write_reg_16(dev,
+			ADIS16350_MSC_CTRL,
+			ADIS16350_MSC_CTRL_MEM_TEST);
+	if (ret) {
+		dev_err(dev, "problem starting self test");
+		goto err_ret;
+	}
+
+	adis16350_check_status(dev);
+
+err_ret:
+	return ret;
+}
+
+static int adis16350_check_status(struct device *dev)
+{
+	u16 status;
+	int ret;
+
+	ret = adis16350_spi_read_reg_16(dev, ADIS16350_DIAG_STAT, &status);
+
+	if (ret < 0) {
+		dev_err(dev, "Reading status failed\n");
+		goto error_ret;
+	}
+	ret = status;
+	if (status & ADIS16350_DIAG_STAT_ZACCL_FAIL)
+		dev_err(dev, "Z-axis accelerometer self-test failure\n");
+	if (status & ADIS16350_DIAG_STAT_YACCL_FAIL)
+		dev_err(dev, "Y-axis accelerometer self-test failure\n");
+	if (status & ADIS16350_DIAG_STAT_XACCL_FAIL)
+		dev_err(dev, "X-axis accelerometer self-test failure\n");
+	if (status & ADIS16350_DIAG_STAT_XGYRO_FAIL)
+		dev_err(dev, "X-axis gyroscope self-test failure\n");
+	if (status & ADIS16350_DIAG_STAT_YGYRO_FAIL)
+		dev_err(dev, "Y-axis gyroscope self-test failure\n");
+	if (status & ADIS16350_DIAG_STAT_ZGYRO_FAIL)
+		dev_err(dev, "Z-axis gyroscope self-test failure\n");
+	if (status & ADIS16350_DIAG_STAT_ALARM2)
+		dev_err(dev, "Alarm 2 active\n");
+	if (status & ADIS16350_DIAG_STAT_ALARM1)
+		dev_err(dev, "Alarm 1 active\n");
+	if (status & ADIS16350_DIAG_STAT_FLASH_CHK)
+		dev_err(dev, "Flash checksum error\n");
+	if (status & ADIS16350_DIAG_STAT_SELF_TEST)
+		dev_err(dev, "Self test error\n");
+	if (status & ADIS16350_DIAG_STAT_OVERFLOW)
+		dev_err(dev, "Sensor overrange\n");
+	if (status & ADIS16350_DIAG_STAT_SPI_FAIL)
+		dev_err(dev, "SPI failure\n");
+	if (status & ADIS16350_DIAG_STAT_FLASH_UPT)
+		dev_err(dev, "Flash update failed\n");
+	if (status & ADIS16350_DIAG_STAT_POWER_HIGH)
+		dev_err(dev, "Power supply above 5.25V\n");
+	if (status & ADIS16350_DIAG_STAT_POWER_LOW)
+		dev_err(dev, "Power supply below 4.75V\n");
+
+error_ret:
+	return ret;
+}
+
+static int adis16350_initial_setup(struct adis16350_state *st)
+{
+	int ret;
+	u16 smp_prd;
+	struct device *dev = &st->indio_dev->dev;
+
+	/* use low spi speed for init */
+	st->us->max_speed_hz = ADIS16350_SPI_SLOW;
+	st->us->mode = SPI_MODE_3;
+	spi_setup(st->us);
+
+	/* Disable IRQ */
+	ret = adis16350_set_irq(dev, false);
+	if (ret) {
+		dev_err(dev, "disable irq failed");
+		goto err_ret;
+	}
+
+	/* Do self test */
+	ret = adis16350_self_test(dev);
+	if (ret) {
+		dev_err(dev, "self test failure");
+		goto err_ret;
+	}
+
+	/* Read status register to check the result */
+	ret = adis16350_check_status(dev);
+	if (ret) {
+		adis16350_reset(dev);
+		dev_err(dev, "device not playing ball -> reset");
+		msleep(ADIS16350_STARTUP_DELAY);
+		ret = adis16350_check_status(dev);
+		if (ret) {
+			dev_err(dev, "giving up");
+			goto err_ret;
+		}
+	}
+
+	printk(KERN_INFO DRIVER_NAME ": at CS%d (irq %d)\n",
+			st->us->chip_select, st->us->irq);
+
+	/* use high spi speed if possible */
+	ret = adis16350_spi_read_reg_16(dev, ADIS16350_SMPL_PRD, &smp_prd);
+	if (!ret && (smp_prd & ADIS16350_SMPL_PRD_DIV_MASK) < 0x0A) {
+		st->us->max_speed_hz = ADIS16350_SPI_SLOW;
+		spi_setup(st->us);
+	}
+
+err_ret:
+	return ret;
+}
+
+static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO,
+		adis16350_read_12bit_signed,
+		adis16350_write_16bit,
+		ADIS16350_XACCL_OFF);
+
+static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO,
+		adis16350_read_12bit_signed,
+		adis16350_write_16bit,
+		ADIS16350_YACCL_OFF);
+
+static IIO_DEV_ATTR_ACCEL_Z_OFFSET(S_IWUSR | S_IRUGO,
+		adis16350_read_12bit_signed,
+		adis16350_write_16bit,
+		ADIS16350_ZACCL_OFF);
+
+static IIO_DEV_ATTR_IN_NAMED_RAW(supply, adis16350_read_12bit_unsigned,
+		ADIS16350_SUPPLY_OUT);
+static IIO_CONST_ATTR(in_supply_scale, "0.002418");
+
+static IIO_DEV_ATTR_GYRO_X(adis16350_read_14bit_signed,
+		ADIS16350_XGYRO_OUT);
+static IIO_DEV_ATTR_GYRO_Y(adis16350_read_14bit_signed,
+		ADIS16350_YGYRO_OUT);
+static IIO_DEV_ATTR_GYRO_Z(adis16350_read_14bit_signed,
+		ADIS16350_ZGYRO_OUT);
+static IIO_CONST_ATTR(gyro_scale, "0.05");
+
+static IIO_DEV_ATTR_ACCEL_X(adis16350_read_14bit_signed,
+		ADIS16350_XACCL_OUT);
+static IIO_DEV_ATTR_ACCEL_Y(adis16350_read_14bit_signed,
+		ADIS16350_YACCL_OUT);
+static IIO_DEV_ATTR_ACCEL_Z(adis16350_read_14bit_signed,
+		ADIS16350_ZACCL_OUT);
+static IIO_CONST_ATTR(accel_scale, "0.00333");
+
+static IIO_DEVICE_ATTR(temp_x_raw, S_IRUGO, adis16350_read_12bit_signed,
+		NULL, ADIS16350_XTEMP_OUT);
+static IIO_DEVICE_ATTR(temp_y_raw, S_IRUGO, adis16350_read_12bit_signed,
+		NULL, ADIS16350_YTEMP_OUT);
+static IIO_DEVICE_ATTR(temp_z_raw, S_IRUGO, adis16350_read_12bit_signed,
+		NULL, ADIS16350_ZTEMP_OUT);
+static IIO_CONST_ATTR(temp_scale, "0.0005");
+
+static IIO_DEV_ATTR_IN_RAW(0, adis16350_read_12bit_unsigned,
+		ADIS16350_AUX_ADC);
+static IIO_CONST_ATTR(in0_scale, "0.000806");
+
+static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
+		adis16350_read_frequency,
+		adis16350_write_frequency);
+
+static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL,
+		adis16350_write_reset, 0);
+
+static IIO_CONST_ATTR_AVAIL_SAMP_FREQ("409 546 819 1638");
+
+static IIO_CONST_ATTR(name, "adis16350");
+
+static struct attribute *adis16350_attributes[] = {
+	&iio_dev_attr_accel_x_offset.dev_attr.attr,
+	&iio_dev_attr_accel_y_offset.dev_attr.attr,
+	&iio_dev_attr_accel_z_offset.dev_attr.attr,
+	&iio_dev_attr_in_supply_raw.dev_attr.attr,
+	&iio_const_attr_in_supply_scale.dev_attr.attr,
+	&iio_dev_attr_gyro_x_raw.dev_attr.attr,
+	&iio_dev_attr_gyro_y_raw.dev_attr.attr,
+	&iio_dev_attr_gyro_z_raw.dev_attr.attr,
+	&iio_const_attr_gyro_scale.dev_attr.attr,
+	&iio_dev_attr_accel_x_raw.dev_attr.attr,
+	&iio_dev_attr_accel_y_raw.dev_attr.attr,
+	&iio_dev_attr_accel_z_raw.dev_attr.attr,
+	&iio_const_attr_accel_scale.dev_attr.attr,
+	&iio_dev_attr_temp_x_raw.dev_attr.attr,
+	&iio_dev_attr_temp_y_raw.dev_attr.attr,
+	&iio_dev_attr_temp_z_raw.dev_attr.attr,
+	&iio_const_attr_temp_scale.dev_attr.attr,
+	&iio_dev_attr_in0_raw.dev_attr.attr,
+	&iio_const_attr_in0_scale.dev_attr.attr,
+	&iio_dev_attr_sampling_frequency.dev_attr.attr,
+	&iio_const_attr_available_sampling_frequency.dev_attr.attr,
+	&iio_dev_attr_reset.dev_attr.attr,
+	&iio_const_attr_name.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group adis16350_attribute_group = {
+	.attrs = adis16350_attributes,
+};
+
+static struct attribute *adis16350_event_attributes[] = {
+	NULL,
+};
+
+static struct attribute_group adis16350_event_attribute_group = {
+	.attrs = adis16350_event_attributes,
+};
+
+static int __devinit adis16350_probe(struct spi_device *spi)
+{
+	int ret, regdone = 0;
+	struct adis16350_state *st = kzalloc(sizeof *st, GFP_KERNEL);
+	if (!st) {
+		ret =  -ENOMEM;
+		goto error_ret;
+	}
+	/* this is only used for removal purposes */
+	spi_set_drvdata(spi, st);
+
+	/* Allocate the comms buffers */
+	st->rx = kzalloc(sizeof(*st->rx)*ADIS16350_MAX_RX, GFP_KERNEL);
+	if (st->rx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_st;
+	}
+	st->tx = kzalloc(sizeof(*st->tx)*ADIS16350_MAX_TX, GFP_KERNEL);
+	if (st->tx == NULL) {
+		ret = -ENOMEM;
+		goto error_free_rx;
+	}
+	st->us = spi;
+	mutex_init(&st->buf_lock);
+	/* setup the industrialio driver allocated elements */
+	st->indio_dev = iio_allocate_device();
+	if (st->indio_dev == NULL) {
+		ret = -ENOMEM;
+		goto error_free_tx;
+	}
+
+	st->indio_dev->dev.parent = &spi->dev;
+	st->indio_dev->num_interrupt_lines = 1;
+	st->indio_dev->event_attrs = &adis16350_event_attribute_group;
+	st->indio_dev->attrs = &adis16350_attribute_group;
+	st->indio_dev->dev_data = (void *)(st);
+	st->indio_dev->driver_module = THIS_MODULE;
+	st->indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = adis16350_configure_ring(st->indio_dev);
+	if (ret)
+		goto error_free_dev;
+
+	ret = iio_device_register(st->indio_dev);
+	if (ret)
+		goto error_unreg_ring_funcs;
+	regdone = 1;
+
+	ret = adis16350_initialize_ring(st->indio_dev->ring);
+	if (ret) {
+		printk(KERN_ERR "failed to initialize the ring\n");
+		goto error_unreg_ring_funcs;
+	}
+
+	if (spi->irq) {
+		ret = iio_register_interrupt_line(spi->irq,
+				st->indio_dev,
+				0,
+				IRQF_TRIGGER_RISING,
+				"adis16350");
+		if (ret)
+			goto error_uninitialize_ring;
+
+		ret = adis16350_probe_trigger(st->indio_dev);
+		if (ret)
+			goto error_unregister_line;
+	}
+
+	/* Get the device into a sane initial state */
+	ret = adis16350_initial_setup(st);
+	if (ret)
+		goto error_remove_trigger;
+	return 0;
+
+error_remove_trigger:
+	adis16350_remove_trigger(st->indio_dev);
+error_unregister_line:
+	if (spi->irq)
+		iio_unregister_interrupt_line(st->indio_dev, 0);
+error_uninitialize_ring:
+	adis16350_uninitialize_ring(st->indio_dev->ring);
+error_unreg_ring_funcs:
+	adis16350_unconfigure_ring(st->indio_dev);
+error_free_dev:
+	if (regdone)
+		iio_device_unregister(st->indio_dev);
+	else
+		iio_free_device(st->indio_dev);
+error_free_tx:
+	kfree(st->tx);
+error_free_rx:
+	kfree(st->rx);
+error_free_st:
+	kfree(st);
+error_ret:
+	return ret;
+}
+
+static int adis16350_remove(struct spi_device *spi)
+{
+	int ret;
+	struct adis16350_state *st = spi_get_drvdata(spi);
+	struct iio_dev *indio_dev = st->indio_dev;
+
+	ret = adis16350_stop_device(&(indio_dev->dev));
+	if (ret)
+		goto err_ret;
+
+	flush_scheduled_work();
+
+	adis16350_remove_trigger(indio_dev);
+	if (spi->irq)
+		iio_unregister_interrupt_line(indio_dev, 0);
+
+	adis16350_uninitialize_ring(indio_dev->ring);
+	iio_device_unregister(indio_dev);
+	adis16350_unconfigure_ring(indio_dev);
+	kfree(st->tx);
+	kfree(st->rx);
+	kfree(st);
+
+	return 0;
+
+err_ret:
+	return ret;
+}
+
+static const struct spi_device_id adis16350_id[] = {
+	{"adis16350", 0},
+	{"adis16354", 0},
+	{"adis16355", 0},
+	{"adis16360", 0},
+	{"adis16362", 0},
+	{"adis16364", 0},
+	{"adis16365", 0},
+	{}
+};
+
+static struct spi_driver adis16350_driver = {
+	.driver = {
+		.name = "adis16350",
+		.owner = THIS_MODULE,
+	},
+	.probe = adis16350_probe,
+	.remove = __devexit_p(adis16350_remove),
+	.id_table = adis16350_id,
+};
+
+static __init int adis16350_init(void)
+{
+	return spi_register_driver(&adis16350_driver);
+}
+module_init(adis16350_init);
+
+static __exit void adis16350_exit(void)
+{
+	spi_unregister_driver(&adis16350_driver);
+}
+module_exit(adis16350_exit);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16350/54/55/60/62/64/65 IMU SPI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/imu/adis16350_ring.c b/drivers/staging/iio/imu/adis16350_ring.c
new file mode 100644
index 00000000000..5e9716ea7c7
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16350_ring.c
@@ -0,0 +1,286 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../ring_sw.h"
+#include "../accel/accel.h"
+#include "../trigger.h"
+#include "adis16350.h"
+
+/**
+ * combine_8_to_16() utility function to munge to u8s into u16
+ **/
+static inline u16 combine_8_to_16(u8 lower, u8 upper)
+{
+	u16 _lower = lower;
+	u16 _upper = upper;
+	return _lower | (_upper << 8);
+}
+
+static IIO_SCAN_EL_C(supply, ADIS16350_SCAN_SUPPLY, IIO_UNSIGNED(12),
+		ADIS16350_SUPPLY_OUT, NULL);
+
+static IIO_SCAN_EL_C(gyro_x, ADIS16350_SCAN_GYRO_X, IIO_SIGNED(14),
+		ADIS16350_XGYRO_OUT, NULL);
+static IIO_SCAN_EL_C(gyro_y, ADIS16350_SCAN_GYRO_Y, IIO_SIGNED(14),
+		ADIS16350_YGYRO_OUT, NULL);
+static IIO_SCAN_EL_C(gyro_z, ADIS16350_SCAN_GYRO_Z, IIO_SIGNED(14),
+		ADIS16350_ZGYRO_OUT, NULL);
+
+static IIO_SCAN_EL_C(accel_x, ADIS16350_SCAN_ACC_X, IIO_SIGNED(14),
+		ADIS16350_XACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_y, ADIS16350_SCAN_ACC_Y, IIO_SIGNED(14),
+		ADIS16350_YACCL_OUT, NULL);
+static IIO_SCAN_EL_C(accel_z, ADIS16350_SCAN_ACC_Z, IIO_SIGNED(14),
+		ADIS16350_ZACCL_OUT, NULL);
+
+static IIO_SCAN_EL_C(temp_x, ADIS16350_SCAN_TEMP_X, IIO_SIGNED(12),
+		ADIS16350_XTEMP_OUT, NULL);
+static IIO_SCAN_EL_C(temp_y, ADIS16350_SCAN_TEMP_Y, IIO_SIGNED(12),
+		ADIS16350_YTEMP_OUT, NULL);
+static IIO_SCAN_EL_C(temp_z, ADIS16350_SCAN_TEMP_Z, IIO_SIGNED(12),
+		ADIS16350_ZTEMP_OUT, NULL);
+
+static IIO_SCAN_EL_C(adc_0, ADIS16350_SCAN_ADC_0, IIO_UNSIGNED(12),
+		ADIS16350_AUX_ADC, NULL);
+
+static IIO_SCAN_EL_TIMESTAMP(11);
+
+static struct attribute *adis16350_scan_el_attrs[] = {
+	&iio_scan_el_supply.dev_attr.attr,
+	&iio_scan_el_gyro_x.dev_attr.attr,
+	&iio_scan_el_gyro_y.dev_attr.attr,
+	&iio_scan_el_gyro_z.dev_attr.attr,
+	&iio_scan_el_accel_x.dev_attr.attr,
+	&iio_scan_el_accel_y.dev_attr.attr,
+	&iio_scan_el_accel_z.dev_attr.attr,
+	&iio_scan_el_temp_x.dev_attr.attr,
+	&iio_scan_el_temp_y.dev_attr.attr,
+	&iio_scan_el_temp_z.dev_attr.attr,
+	&iio_scan_el_adc_0.dev_attr.attr,
+	&iio_scan_el_timestamp.dev_attr.attr,
+	NULL,
+};
+
+static struct attribute_group adis16350_scan_el_group = {
+	.attrs = adis16350_scan_el_attrs,
+	.name = "scan_elements",
+};
+
+/**
+ * adis16350_poll_func_th() top half interrupt handler called by trigger
+ * @private_data:	iio_dev
+ **/
+static void adis16350_poll_func_th(struct iio_dev *indio_dev)
+{
+	struct adis16350_state *st = iio_dev_get_devdata(indio_dev);
+	st->last_timestamp = indio_dev->trig->timestamp;
+	schedule_work(&st->work_trigger_to_ring);
+}
+
+/**
+ * adis16350_spi_read_burst() - read all data registers
+ * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @rx: somewhere to pass back the value read (min size is 24 bytes)
+ **/
+static int adis16350_spi_read_burst(struct device *dev, u8 *rx)
+{
+	struct spi_message msg;
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct adis16350_state *st = iio_dev_get_devdata(indio_dev);
+	u32 old_speed_hz = st->us->max_speed_hz;
+	int ret;
+
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx,
+			.bits_per_word = 8,
+			.len = 2,
+			.cs_change = 0,
+		}, {
+			.rx_buf = rx,
+			.bits_per_word = 8,
+			.len = 22,
+			.cs_change = 0,
+		},
+	};
+
+	mutex_lock(&st->buf_lock);
+	st->tx[0] = ADIS16350_READ_REG(ADIS16350_GLOB_CMD);
+	st->tx[1] = 0;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfers[0], &msg);
+	spi_message_add_tail(&xfers[1], &msg);
+
+	st->us->max_speed_hz = ADIS16350_SPI_BURST;
+	spi_setup(st->us);
+
+	ret = spi_sync(st->us, &msg);
+	if (ret)
+		dev_err(&st->us->dev, "problem when burst reading");
+
+	st->us->max_speed_hz = old_speed_hz;
+	spi_setup(st->us);
+	mutex_unlock(&st->buf_lock);
+	return ret;
+}
+
+/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device
+ * specific to be rolled into the core.
+ */
+static void adis16350_trigger_bh_to_ring(struct work_struct *work_s)
+{
+	struct adis16350_state *st
+		= container_of(work_s, struct adis16350_state,
+			       work_trigger_to_ring);
+
+	int i = 0;
+	s16 *data;
+	size_t datasize = st->indio_dev
+		->ring->access.get_bpd(st->indio_dev->ring);
+
+	data = kmalloc(datasize , GFP_KERNEL);
+	if (data == NULL) {
+		dev_err(&st->us->dev, "memory alloc failed in ring bh");
+		return;
+	}
+
+	if (st->indio_dev->scan_count)
+		if (adis16350_spi_read_burst(&st->indio_dev->dev, st->rx) >= 0)
+			for (; i < st->indio_dev->scan_count; i++) {
+				data[i] = combine_8_to_16(st->rx[i*2+1],
+							  st->rx[i*2]);
+			}
+
+	/* Guaranteed to be aligned with 8 byte boundary */
+	if (st->indio_dev->scan_timestamp)
+		*((s64 *)(data + ((i + 3)/4)*4)) = st->last_timestamp;
+
+	st->indio_dev->ring->access.store_to(st->indio_dev->ring,
+					    (u8 *)data,
+					    st->last_timestamp);
+
+	iio_trigger_notify_done(st->indio_dev->trig);
+	kfree(data);
+
+	return;
+}
+
+static int adis16350_data_rdy_ring_preenable(struct iio_dev *indio_dev)
+{
+	size_t size;
+	dev_dbg(&indio_dev->dev, "%s\n", __func__);
+	/* Check if there are any scan elements enabled, if not fail*/
+	if (!(indio_dev->scan_count || indio_dev->scan_timestamp))
+		return -EINVAL;
+
+	if (indio_dev->ring->access.set_bpd) {
+		if (indio_dev->scan_timestamp)
+			if (indio_dev->scan_count)
+				/* Timestamp (aligned sizeof(s64) and data */
+				size = (((indio_dev->scan_count * sizeof(s16))
+						+ sizeof(s64) - 1)
+					& ~(sizeof(s64) - 1))
+					+ sizeof(s64);
+			else /* Timestamp only  */
+				size = sizeof(s64);
+		else /* Data only */
+			size = indio_dev->scan_count*sizeof(s16);
+		indio_dev->ring->access.set_bpd(indio_dev->ring, size);
+	}
+
+	return 0;
+}
+
+static int adis16350_data_rdy_ring_postenable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_attach_poll_func(indio_dev->trig,
+					       indio_dev->pollfunc)
+		: 0;
+}
+
+static int adis16350_data_rdy_ring_predisable(struct iio_dev *indio_dev)
+{
+	return indio_dev->trig
+		? iio_trigger_dettach_poll_func(indio_dev->trig,
+						indio_dev->pollfunc)
+		: 0;
+}
+
+void adis16350_unconfigure_ring(struct iio_dev *indio_dev)
+{
+	kfree(indio_dev->pollfunc);
+	iio_sw_rb_free(indio_dev->ring);
+}
+
+int adis16350_configure_ring(struct iio_dev *indio_dev)
+{
+	int ret = 0;
+	struct adis16350_state *st = indio_dev->dev_data;
+	struct iio_ring_buffer *ring;
+	INIT_WORK(&st->work_trigger_to_ring, adis16350_trigger_bh_to_ring);
+	/* Set default scan mode */
+
+	iio_scan_mask_set(indio_dev, iio_scan_el_supply.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_gyro_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_gyro_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_gyro_z.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_accel_z.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_temp_x.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_temp_y.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_temp_z.number);
+	iio_scan_mask_set(indio_dev, iio_scan_el_adc_0.number);
+	indio_dev->scan_timestamp = true;
+
+	indio_dev->scan_el_attrs = &adis16350_scan_el_group;
+
+	ring = iio_sw_rb_allocate(indio_dev);
+	if (!ring) {
+		ret = -ENOMEM;
+		return ret;
+	}
+	indio_dev->ring = ring;
+	/* Effectively select the ring buffer implementation */
+	iio_ring_sw_register_funcs(&ring->access);
+	ring->preenable = &adis16350_data_rdy_ring_preenable;
+	ring->postenable = &adis16350_data_rdy_ring_postenable;
+	ring->predisable = &adis16350_data_rdy_ring_predisable;
+	ring->owner = THIS_MODULE;
+
+	indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL);
+	if (indio_dev->pollfunc == NULL) {
+		ret = -ENOMEM;
+		goto error_iio_sw_rb_free;;
+	}
+	indio_dev->pollfunc->poll_func_main = &adis16350_poll_func_th;
+	indio_dev->pollfunc->private_data = indio_dev;
+	indio_dev->modes |= INDIO_RING_TRIGGERED;
+	return 0;
+
+error_iio_sw_rb_free:
+	iio_sw_rb_free(indio_dev->ring);
+	return ret;
+}
+
+int adis16350_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return iio_ring_buffer_register(ring, 0);
+}
+
+void adis16350_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+	iio_ring_buffer_unregister(ring);
+}
diff --git a/drivers/staging/iio/imu/adis16350_trigger.c b/drivers/staging/iio/imu/adis16350_trigger.c
new file mode 100644
index 00000000000..1ffa75d05fa
--- /dev/null
+++ b/drivers/staging/iio/imu/adis16350_trigger.c
@@ -0,0 +1,127 @@
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+#include <linux/spi/spi.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "../trigger.h"
+#include "adis16350.h"
+
+/**
+ * adis16350_data_rdy_trig_poll() the event handler for the data rdy trig
+ **/
+static int adis16350_data_rdy_trig_poll(struct iio_dev *dev_info,
+				       int index,
+				       s64 timestamp,
+				       int no_test)
+{
+	struct adis16350_state *st = iio_dev_get_devdata(dev_info);
+	struct iio_trigger *trig = st->trig;
+
+	trig->timestamp = timestamp;
+	iio_trigger_poll(trig);
+
+	return IRQ_HANDLED;
+}
+
+IIO_EVENT_SH(data_rdy_trig, &adis16350_data_rdy_trig_poll);
+
+static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
+
+static struct attribute *adis16350_trigger_attrs[] = {
+	&dev_attr_name.attr,
+	NULL,
+};
+
+static const struct attribute_group adis16350_trigger_attr_group = {
+	.attrs = adis16350_trigger_attrs,
+};
+
+/**
+ * adis16350_data_rdy_trigger_set_state() set datardy interrupt state
+ **/
+static int adis16350_data_rdy_trigger_set_state(struct iio_trigger *trig,
+						bool state)
+{
+	struct adis16350_state *st = trig->private_data;
+	struct iio_dev *indio_dev = st->indio_dev;
+	int ret = 0;
+
+	dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
+	ret = adis16350_set_irq(&st->indio_dev->dev, state);
+	if (state == false) {
+		iio_remove_event_from_list(&iio_event_data_rdy_trig,
+					   &indio_dev->interrupts[0]
+					   ->ev_list);
+		/* possible quirk with handler currently worked around
+		   by ensuring the work queue is empty */
+		flush_scheduled_work();
+	} else {
+		iio_add_event_to_list(&iio_event_data_rdy_trig,
+				      &indio_dev->interrupts[0]->ev_list);
+	}
+	return ret;
+}
+
+/**
+ * adis16350_trig_try_reen() try renabling irq for data rdy trigger
+ * @trig:	the datardy trigger
+ **/
+static int adis16350_trig_try_reen(struct iio_trigger *trig)
+{
+	struct adis16350_state *st = trig->private_data;
+	enable_irq(st->us->irq);
+	/* irq reenabled so success! */
+	return 0;
+}
+
+int adis16350_probe_trigger(struct iio_dev *indio_dev)
+{
+	int ret;
+	struct adis16350_state *st = indio_dev->dev_data;
+
+	st->trig = iio_allocate_trigger();
+	st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
+	if (!st->trig->name) {
+		ret = -ENOMEM;
+		goto error_free_trig;
+	}
+	snprintf((char *)st->trig->name,
+		 IIO_TRIGGER_NAME_LENGTH,
+		 "adis16350-dev%d", indio_dev->id);
+	st->trig->dev.parent = &st->us->dev;
+	st->trig->owner = THIS_MODULE;
+	st->trig->private_data = st;
+	st->trig->set_trigger_state = &adis16350_data_rdy_trigger_set_state;
+	st->trig->try_reenable = &adis16350_trig_try_reen;
+	st->trig->control_attrs = &adis16350_trigger_attr_group;
+	ret = iio_trigger_register(st->trig);
+
+	/* select default trigger */
+	indio_dev->trig = st->trig;
+	if (ret)
+		goto error_free_trig_name;
+
+	return 0;
+
+error_free_trig_name:
+	kfree(st->trig->name);
+error_free_trig:
+	iio_free_trigger(st->trig);
+
+	return ret;
+}
+
+void adis16350_remove_trigger(struct iio_dev *indio_dev)
+{
+	struct adis16350_state *state = indio_dev->dev_data;
+
+	iio_trigger_unregister(state->trig);
+	kfree(state->trig->name);
+	iio_free_trigger(state->trig);
+}

From 026386976067996a6fc084b1926558522126cfdd Mon Sep 17 00:00:00 2001
From: Mark <reodge@gmail.com>
Date: Mon, 17 May 2010 19:34:27 +0800
Subject: [PATCH 2026/3638] Staging: comedi: Altered the way printk is used in
 8255.c

This patch moves around the use of printk calls in 8255.c to include accurate
logging levels and in turn fixes a few warnings from checkpatch.

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/8255.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/8255.c b/drivers/staging/comedi/drivers/8255.c
index b2e80dd5c26..fe63830bd85 100644
--- a/drivers/staging/comedi/drivers/8255.c
+++ b/drivers/staging/comedi/drivers/8255.c
@@ -396,8 +396,6 @@ static int dev_8255_attach(struct comedi_device *dev,
 	unsigned long iobase;
 	int i;
 
-	printk("comedi%d: 8255:", dev->minor);
-
 	dev->board_name = "8255";
 
 	for (i = 0; i < COMEDI_NDEVCONFOPTS; i++) {
@@ -406,13 +404,20 @@ static int dev_8255_attach(struct comedi_device *dev,
 			break;
 	}
 	if (i == 0) {
-		printk(" no devices specified\n");
+		printk(KERN_WARNING
+		       "comedi%d: 8255: no devices specified\n", dev->minor);
 		return -EINVAL;
 	}
 
 	ret = alloc_subdevices(dev, i);
-	if (ret < 0)
+	if (ret < 0) {
+		/* FIXME this printk call should give a proper message, the
+		 * below line just maintains previous functionality */
+		printk("comedi%d: 8255:", dev->minor);
 		return ret;
+	}
+
+	printk(KERN_INFO "comedi%d: 8255:", dev->minor);
 
 	for (i = 0; i < dev->n_subdevices; i++) {
 		iobase = it->options[i];
@@ -439,7 +444,7 @@ static int dev_8255_detach(struct comedi_device *dev)
 	unsigned long iobase;
 	struct comedi_subdevice *s;
 
-	printk("comedi%d: 8255: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: 8255: remove\n", dev->minor);
 
 	for (i = 0; i < dev->n_subdevices; i++) {
 		s = dev->subdevices + i;

From 213d2e9322ed509c2f80b07d7feb4427ebcd7b0b Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Mon, 17 May 2010 21:34:00 -0300
Subject: [PATCH 2027/3638] Staging: vt6656: removed custom CHAR/SHORT/INT/LONG
 typedefs

Cleared all checkpatch warnings but one 'do not add new typedefs'

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/bssdb.c   |  8 ++---
 drivers/staging/vt6656/bssdb.h   |  6 ++--
 drivers/staging/vt6656/channel.c |  2 +-
 drivers/staging/vt6656/device.h  | 23 +++++++-------
 drivers/staging/vt6656/dpc.c     | 18 +++++------
 drivers/staging/vt6656/ioctl.c   |  2 +-
 drivers/staging/vt6656/mib.c     | 53 ++++++++++++++++++++++++--------
 drivers/staging/vt6656/mib.h     | 12 ++++----
 drivers/staging/vt6656/rf.c      |  4 +--
 drivers/staging/vt6656/ttype.h   |  5 ---
 10 files changed, 77 insertions(+), 56 deletions(-)

diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c
index 8c68e04cf98..a10c46339ad 100644
--- a/drivers/staging/vt6656/bssdb.c
+++ b/drivers/staging/vt6656/bssdb.c
@@ -608,7 +608,7 @@ BOOL BSSbUpdateToBSSList(void *hDeviceContext,
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
-    LONG            ldBm, ldBmSum;
+    signed long            ldBm, ldBmSum;
     BOOL            bParsingQuiet = FALSE;
   //  BYTE            abyTmpSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 
@@ -1550,9 +1550,9 @@ void s_vCheckSensitivity(void *hDeviceContext)
         ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
         pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
         if (pBSSList != NULL) {
-            // Updata BB Reg if RSSI is too strong.
-            LONG    LocalldBmAverage = 0;
-            LONG    uNumofdBm = 0;
+		/* Update BB register if RSSI is too strong */
+		signed long    LocalldBmAverage = 0;
+		signed long    uNumofdBm = 0;
             for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
                 if (pBSSList->ldBmAverage[ii] != 0) {
                     uNumofdBm ++;
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index 8140b9b37fb..0158b0bdf1a 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -109,9 +109,9 @@ typedef struct tagKnownBSS {
 
 //    WORD            wATIMWindow;
     BYTE            byRSSIStatCnt;
-    LONG            ldBmMAX;
-    LONG            ldBmAverage[RSSI_STAT_COUNT];
-    LONG            ldBmAverRange;
+    signed long            ldBmMAX;
+    signed long            ldBmAverage[RSSI_STAT_COUNT];
+    signed long            ldBmAverRange;
     //For any BSSID selection improvment
     BOOL            bSelected;
 
diff --git a/drivers/staging/vt6656/channel.c b/drivers/staging/vt6656/channel.c
index 06a213f3f4d..c9b8b19a1f7 100644
--- a/drivers/staging/vt6656/channel.c
+++ b/drivers/staging/vt6656/channel.c
@@ -116,7 +116,7 @@ static SChannelTblElement sChannelTbl[CB_MAX_CHANNEL+1] =
 static  struct
 {
     BYTE    byChannelCountryCode;             /* The country code         */
-    CHAR    chCountryCode[2];
+    char    chCountryCode[2];
     BYTE    bChannelIdxList[CB_MAX_CHANNEL];  /* Available channels Index */
     BYTE    byPower[CB_MAX_CHANNEL];
 }   ChannelRuleTab[] =
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index b507bb8193d..eb45ee59764 100644
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -210,7 +210,7 @@ typedef enum _CONTEXT_TYPE {
 typedef struct _RCB
 {
     void *Next;
-    LONG                    Ref;
+    signed long                    Ref;
     void *pDevice;
     struct urb              *pUrb;
     SRxMgmtPacket           sMngPacket;
@@ -234,16 +234,15 @@ typedef struct _USB_SEND_CONTEXT {
 } USB_SEND_CONTEXT, *PUSB_SEND_CONTEXT;
 
 
-//structure got from configuration file as user desired default setting.
-typedef struct _DEFAULT_CONFIG{
-    INT    ZoneType;
-    INT    eConfigMode;
-    INT    eAuthenMode;    //open/wep/wpa
-    INT    bShareKeyAlgorithm;  //open-open/open-sharekey/wep-sharekey
-    INT    keyidx;               //wepkey index
-    INT    eEncryptionStatus;
-
-}DEFAULT_CONFIG,*PDEFAULT_CONFIG;
+/* structure got from configuration file as user-desired default settings */
+typedef struct _DEFAULT_CONFIG {
+	signed int    ZoneType;
+	signed int    eConfigMode;
+	signed int    eAuthenMode;        /* open/wep/wpa */
+	signed int    bShareKeyAlgorithm; /* open-open/{open,wep}-sharekey */
+	signed int    keyidx;             /* wepkey index */
+	signed int    eEncryptionStatus;
+} DEFAULT_CONFIG, *PDEFAULT_CONFIG;
 
 //
 // Structure to keep track of usb interrupt packets
@@ -785,7 +784,7 @@ typedef struct __device_info {
     BYTE                    byBBVGANew;
     BYTE                    byBBVGACurrent;
     BYTE                    abyBBVGA[BB_VGA_LEVEL];
-    LONG                    ldBmThreshold[BB_VGA_LEVEL];
+    signed long                    ldBmThreshold[BB_VGA_LEVEL];
 
     BYTE                    byBBPreEDRSSI;
     BYTE                    byBBPreEDIndex;
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index 6982224dfa9..d9a02ba40d8 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -98,7 +98,7 @@ s_vProcessRxMACHeader (
 static BOOL s_bAPModeRxCtl(
      PSDevice pDevice,
      PBYTE    pbyFrame,
-     INT      iSANodeIndex
+     signed int      iSANodeIndex
     );
 
 
@@ -108,8 +108,8 @@ static BOOL s_bAPModeRxData (
      struct sk_buff *skb,
      UINT     FrameSize,
      UINT     cbHeaderOffset,
-     INT      iSANodeIndex,
-     INT      iDANodeIndex
+     signed int      iSANodeIndex,
+     signed int      iDANodeIndex
     );
 
 
@@ -336,8 +336,8 @@ RXbBulkInProcessData (
     UINT            cbHeaderOffset;
     UINT            FrameSize;
     WORD            wEtherType = 0;
-    INT             iSANodeIndex = -1;
-    INT             iDANodeIndex = -1;
+    signed int             iSANodeIndex = -1;
+    signed int             iDANodeIndex = -1;
     UINT            ii;
     UINT            cbIVOffset;
     PBYTE           pbyRxSts;
@@ -352,7 +352,7 @@ RXbBulkInProcessData (
     DWORD           dwRxTSC47_16 = 0;
     SKeyItem        STempKey;
     // 802.11h RPI
-    //LONG            ldBm = 0;
+    /* signed long ldBm = 0; */
     BOOL            bIsWEP = FALSE;
     BOOL            bExtIV = FALSE;
     DWORD           dwWbkStatus;
@@ -1023,7 +1023,7 @@ RXbBulkInProcessData (
 static BOOL s_bAPModeRxCtl (
      PSDevice pDevice,
      PBYTE    pbyFrame,
-     INT      iSANodeIndex
+     signed int      iSANodeIndex
     )
 {
     PS802_11Header      p802_11Header;
@@ -1431,8 +1431,8 @@ static BOOL s_bAPModeRxData (
      struct sk_buff *skb,
      UINT     FrameSize,
      UINT     cbHeaderOffset,
-     INT      iSANodeIndex,
-     INT      iDANodeIndex
+     signed int      iSANodeIndex,
+     signed int      iDANodeIndex
     )
 
 {
diff --git a/drivers/staging/vt6656/ioctl.c b/drivers/staging/vt6656/ioctl.c
index 69d1d735f71..368e49f782f 100644
--- a/drivers/staging/vt6656/ioctl.c
+++ b/drivers/staging/vt6656/ioctl.c
@@ -81,7 +81,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
     BYTE                abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
     DWORD               dwKeyIndex= 0;
     BYTE                abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
-    LONG                ldBm;
+    signed long                ldBm;
 
     pReq->wResult = 0;
 
diff --git a/drivers/staging/vt6656/mib.c b/drivers/staging/vt6656/mib.c
index b6f138efb47..efcd81c042f 100644
--- a/drivers/staging/vt6656/mib.c
+++ b/drivers/staging/vt6656/mib.c
@@ -187,87 +187,114 @@ void STAvUpdateRDStatCounter (PSStatCounter pStatistic,
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr11MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"11M: ALL[%d], OK[%d]:[%02x]\n", (INT)pStatistic->CustomStat.ullRsr11M, (INT)pStatistic->CustomStat.ullRsr11MCRCOk, byRSR);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "11M: ALL[%d], OK[%d]:[%02x]\n",
+		(signed int) pStatistic->CustomStat.ullRsr11M,
+		(signed int) pStatistic->CustomStat.ullRsr11MCRCOk, byRSR);
     }
     else if(byRxRate==11) {
         pStatistic->CustomStat.ullRsr5M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr5MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" 5M: ALL[%d], OK[%d]:[%02x]\n", (INT)pStatistic->CustomStat.ullRsr5M, (INT)pStatistic->CustomStat.ullRsr5MCRCOk, byRSR);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 5M: ALL[%d], OK[%d]:[%02x]\n",
+		(signed int) pStatistic->CustomStat.ullRsr5M,
+		(signed int) pStatistic->CustomStat.ullRsr5MCRCOk, byRSR);
     }
     else if(byRxRate==4) {
         pStatistic->CustomStat.ullRsr2M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr2MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" 2M: ALL[%d], OK[%d]:[%02x]\n", (INT)pStatistic->CustomStat.ullRsr2M, (INT)pStatistic->CustomStat.ullRsr2MCRCOk, byRSR);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 2M: ALL[%d], OK[%d]:[%02x]\n",
+		(signed int) pStatistic->CustomStat.ullRsr2M,
+		(signed int) pStatistic->CustomStat.ullRsr2MCRCOk, byRSR);
     }
     else if(byRxRate==2){
         pStatistic->CustomStat.ullRsr1M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr1MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" 1M: ALL[%d], OK[%d]:[%02x]\n", (INT)pStatistic->CustomStat.ullRsr1M, (INT)pStatistic->CustomStat.ullRsr1MCRCOk, byRSR);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 1M: ALL[%d], OK[%d]:[%02x]\n",
+		(signed int) pStatistic->CustomStat.ullRsr1M,
+		(signed int) pStatistic->CustomStat.ullRsr1MCRCOk, byRSR);
     }
     else if(byRxRate==12){
         pStatistic->CustomStat.ullRsr6M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr6MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" 6M: ALL[%d], OK[%d]\n", (INT)pStatistic->CustomStat.ullRsr6M, (INT)pStatistic->CustomStat.ullRsr6MCRCOk);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 6M: ALL[%d], OK[%d]\n",
+		(signed int) pStatistic->CustomStat.ullRsr6M,
+		(signed int) pStatistic->CustomStat.ullRsr6MCRCOk);
     }
     else if(byRxRate==18){
         pStatistic->CustomStat.ullRsr9M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr9MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" 9M: ALL[%d], OK[%d]\n", (INT)pStatistic->CustomStat.ullRsr9M, (INT)pStatistic->CustomStat.ullRsr9MCRCOk);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 9M: ALL[%d], OK[%d]\n",
+		(signed int) pStatistic->CustomStat.ullRsr9M,
+		(signed int) pStatistic->CustomStat.ullRsr9MCRCOk);
     }
     else if(byRxRate==24){
         pStatistic->CustomStat.ullRsr12M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr12MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"12M: ALL[%d], OK[%d]\n", (INT)pStatistic->CustomStat.ullRsr12M, (INT)pStatistic->CustomStat.ullRsr12MCRCOk);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "12M: ALL[%d], OK[%d]\n",
+		(signed int) pStatistic->CustomStat.ullRsr12M,
+		(signed int) pStatistic->CustomStat.ullRsr12MCRCOk);
     }
     else if(byRxRate==36){
         pStatistic->CustomStat.ullRsr18M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr18MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"18M: ALL[%d], OK[%d]\n", (INT)pStatistic->CustomStat.ullRsr18M, (INT)pStatistic->CustomStat.ullRsr18MCRCOk);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "18M: ALL[%d], OK[%d]\n",
+		(signed int) pStatistic->CustomStat.ullRsr18M,
+		(signed int) pStatistic->CustomStat.ullRsr18MCRCOk);
     }
     else if(byRxRate==48){
         pStatistic->CustomStat.ullRsr24M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr24MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"24M: ALL[%d], OK[%d]\n", (INT)pStatistic->CustomStat.ullRsr24M, (INT)pStatistic->CustomStat.ullRsr24MCRCOk);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "24M: ALL[%d], OK[%d]\n",
+		(signed int) pStatistic->CustomStat.ullRsr24M,
+		(signed int) pStatistic->CustomStat.ullRsr24MCRCOk);
     }
     else if(byRxRate==72){
         pStatistic->CustomStat.ullRsr36M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr36MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"36M: ALL[%d], OK[%d]\n", (INT)pStatistic->CustomStat.ullRsr36M, (INT)pStatistic->CustomStat.ullRsr36MCRCOk);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "36M: ALL[%d], OK[%d]\n",
+		(signed int) pStatistic->CustomStat.ullRsr36M,
+		(signed int) pStatistic->CustomStat.ullRsr36MCRCOk);
     }
     else if(byRxRate==96){
         pStatistic->CustomStat.ullRsr48M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr48MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"48M: ALL[%d], OK[%d]\n", (INT)pStatistic->CustomStat.ullRsr48M, (INT)pStatistic->CustomStat.ullRsr48MCRCOk);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "48M: ALL[%d], OK[%d]\n",
+		(signed int) pStatistic->CustomStat.ullRsr48M,
+		(signed int) pStatistic->CustomStat.ullRsr48MCRCOk);
     }
     else if(byRxRate==108){
         pStatistic->CustomStat.ullRsr54M++;
         if(byRSR & RSR_CRCOK) {
             pStatistic->CustomStat.ullRsr54MCRCOk++;
         }
-        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"54M: ALL[%d], OK[%d]\n", (INT)pStatistic->CustomStat.ullRsr54M, (INT)pStatistic->CustomStat.ullRsr54MCRCOk);
+	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "54M: ALL[%d], OK[%d]\n",
+		(signed int) pStatistic->CustomStat.ullRsr54M,
+		(signed int) pStatistic->CustomStat.ullRsr54MCRCOk);
     }
     else {
-    	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Unknown: Total[%d], CRCOK[%d]\n", (INT)pStatistic->dwRsrRxPacket+1, (INT)pStatistic->dwRsrCRCOk);
+	    DBG_PRT(MSG_LEVEL_DEBUG,
+		    KERN_INFO "Unknown: Total[%d], CRCOK[%d]\n",
+		    (signed int) pStatistic->dwRsrRxPacket+1,
+		    (signed int)pStatistic->dwRsrCRCOk);
     }
 
     if (byRSR & RSR_BSSIDOK)
diff --git a/drivers/staging/vt6656/mib.h b/drivers/staging/vt6656/mib.h
index 8a532e877f0..8cc5b3f0d70 100644
--- a/drivers/staging/vt6656/mib.h
+++ b/drivers/staging/vt6656/mib.h
@@ -85,15 +85,15 @@ typedef struct tagSDot11Counters {
 // MIB2 counter
 //
 typedef struct tagSMib2Counter {
-    LONG    ifIndex;
+    signed long    ifIndex;
     char    ifDescr[256];               // max size 255 plus zero ending
                                         // e.g. "interface 1"
-    LONG    ifType;
-    LONG    ifMtu;
+    signed long    ifType;
+    signed long    ifMtu;
     DWORD   ifSpeed;
     BYTE    ifPhysAddress[ETH_ALEN];
-    LONG    ifAdminStatus;
-    LONG    ifOperStatus;
+    signed long    ifAdminStatus;
+    signed long    ifOperStatus;
     DWORD   ifLastChange;
     DWORD   ifInOctets;
     DWORD   ifInUcastPkts;
@@ -124,7 +124,7 @@ typedef struct tagSMib2Counter {
 // RMON counter
 //
 typedef struct tagSRmonCounter {
-    LONG    etherStatsIndex;
+    signed long    etherStatsIndex;
     DWORD   etherStatsDataSource;
     DWORD   etherStatsDropEvents;
     DWORD   etherStatsOctets;
diff --git a/drivers/staging/vt6656/rf.c b/drivers/staging/vt6656/rf.c
index 1126cb48f4a..4c4f5f6dc36 100644
--- a/drivers/staging/vt6656/rf.c
+++ b/drivers/staging/vt6656/rf.c
@@ -962,8 +962,8 @@ RFvRSSITodBm (
     )
 {
     BYTE byIdx = (((byCurrRSSI & 0xC0) >> 6) & 0x03);
-    LONG b = (byCurrRSSI & 0x3F);
-    LONG a = 0;
+    signed long b = (byCurrRSSI & 0x3F);
+    signed long a = 0;
     BYTE abyAIROHARF[4] = {0, 18, 0, 40};
 
     switch (pDevice->byRFType) {
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 4dfe00acf24..3a297754233 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -72,11 +72,6 @@ typedef int             BOOL;
 
 /****** Simple typedefs  ***************************************************/
 
-typedef char            CHAR;
-typedef signed short    SHORT;
-typedef signed int      INT;
-typedef signed long     LONG;
-
 typedef unsigned char   UCHAR;
 typedef unsigned short  USHORT;
 typedef unsigned int    UINT;

From cc856e61ee4ffb150ff352e3d6940978a2f819e8 Mon Sep 17 00:00:00 2001
From: Andres More <more.andres@gmail.com>
Date: Mon, 17 May 2010 21:34:01 -0300
Subject: [PATCH 2028/3638] Staging: vt6656: removed custom
 UCHAR/USHORT/UINT/ULONG/ULONGLONG typedefs

Cleared all checkpatch warnings but 'do not add new typedefs' ones.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/80211mgr.h |  48 +++---
 drivers/staging/vt6656/baseband.c |  52 +++----
 drivers/staging/vt6656/baseband.h |   6 +-
 drivers/staging/vt6656/bssdb.c    | 107 +++++++-------
 drivers/staging/vt6656/bssdb.h    |  46 +++---
 drivers/staging/vt6656/card.c     |  14 +-
 drivers/staging/vt6656/card.h     |   3 +-
 drivers/staging/vt6656/channel.c  |   6 +-
 drivers/staging/vt6656/channel.h  |   6 +-
 drivers/staging/vt6656/datarate.c |  14 +-
 drivers/staging/vt6656/datarate.h |   2 +-
 drivers/staging/vt6656/device.h   | 153 +++++++++----------
 drivers/staging/vt6656/dpc.c      |  49 ++++---
 drivers/staging/vt6656/dpc.h      |   2 +-
 drivers/staging/vt6656/hostap.c   |  14 +-
 drivers/staging/vt6656/ioctl.c    |   6 +-
 drivers/staging/vt6656/ioctl.h    |   2 +-
 drivers/staging/vt6656/iwctl.c    |   8 +-
 drivers/staging/vt6656/key.c      |  22 +--
 drivers/staging/vt6656/key.h      |   8 +-
 drivers/staging/vt6656/mac.c      |  14 +-
 drivers/staging/vt6656/mac.h      |   7 +-
 drivers/staging/vt6656/main_usb.c |  50 ++++---
 drivers/staging/vt6656/mib.c      |  43 +++---
 drivers/staging/vt6656/mib.h      | 161 ++++++++++----------
 drivers/staging/vt6656/michael.c  |   8 +-
 drivers/staging/vt6656/michael.h  |   2 +-
 drivers/staging/vt6656/rc4.c      |  22 +--
 drivers/staging/vt6656/rc4.h      |  11 +-
 drivers/staging/vt6656/rf.c       |   6 +-
 drivers/staging/vt6656/rf.h       |   6 +-
 drivers/staging/vt6656/rxtx.c     | 234 +++++++++++++++---------------
 drivers/staging/vt6656/rxtx.h     |  17 ++-
 drivers/staging/vt6656/tcrc.c     |   6 +-
 drivers/staging/vt6656/tcrc.h     |   6 +-
 drivers/staging/vt6656/tether.c   |   2 +-
 drivers/staging/vt6656/tether.h   |   2 +-
 drivers/staging/vt6656/ttype.h    |   6 -
 drivers/staging/vt6656/upc.h      |   2 +-
 drivers/staging/vt6656/usbpipe.c  |  15 +-
 drivers/staging/vt6656/wcmd.c     |  18 +--
 drivers/staging/vt6656/wctl.c     |  17 ++-
 drivers/staging/vt6656/wctl.h     |   8 +-
 drivers/staging/vt6656/wmgr.c     |  69 ++++-----
 drivers/staging/vt6656/wmgr.h     |  62 ++++----
 drivers/staging/vt6656/wpa2.c     |   4 +-
 drivers/staging/vt6656/wpa2.h     |   4 +-
 drivers/staging/vt6656/wpactl.h   |   4 +-
 48 files changed, 691 insertions(+), 683 deletions(-)

diff --git a/drivers/staging/vt6656/80211mgr.h b/drivers/staging/vt6656/80211mgr.h
index 50982e9f8cd..c140a957d9d 100644
--- a/drivers/staging/vt6656/80211mgr.h
+++ b/drivers/staging/vt6656/80211mgr.h
@@ -524,8 +524,8 @@ typedef struct _WLAN_IE_IBSS_DFS {
 // prototype structure, all mgmt frame types will start with these members
 typedef struct tagWLAN_FR_MGMT {
 
-    UINT                  uType;
-    UINT                  len;
+    unsigned int                  uType;
+    unsigned int                  len;
     PBYTE                 pBuf;
     PUWLAN_80211HDR       pHdr;
 
@@ -534,8 +534,8 @@ typedef struct tagWLAN_FR_MGMT {
 // Beacon frame
 typedef struct tagWLAN_FR_BEACON {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     // fixed fields
@@ -566,8 +566,8 @@ typedef struct tagWLAN_FR_BEACON {
 // IBSS ATIM frame
 typedef struct tagWLAN_FR_IBSSATIM {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
 
@@ -580,8 +580,8 @@ typedef struct tagWLAN_FR_IBSSATIM {
 // Disassociation
 typedef struct tagWLAN_FR_DISASSOC {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     /*-- fixed fields -----------*/
@@ -593,8 +593,8 @@ typedef struct tagWLAN_FR_DISASSOC {
 // Association Request
 typedef struct tagWLAN_FR_ASSOCREQ {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     /*-- fixed fields -----------*/
@@ -617,8 +617,8 @@ typedef struct tagWLAN_FR_ASSOCREQ {
 // Association Response
 typedef struct tagWLAN_FR_ASSOCRESP {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     /*-- fixed fields -----------*/
@@ -634,8 +634,8 @@ typedef struct tagWLAN_FR_ASSOCRESP {
 // Reassociation Request
 typedef struct tagWLAN_FR_REASSOCREQ {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
 
@@ -659,8 +659,8 @@ typedef struct tagWLAN_FR_REASSOCREQ {
 // Reassociation Response
 typedef struct tagWLAN_FR_REASSOCRESP {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     /*-- fixed fields -----------*/
@@ -676,8 +676,8 @@ typedef struct tagWLAN_FR_REASSOCRESP {
 // Probe Request
 typedef struct tagWLAN_FR_PROBEREQ {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     /*-- fixed fields -----------*/
@@ -691,8 +691,8 @@ typedef struct tagWLAN_FR_PROBEREQ {
 // Probe Response
 typedef struct tagWLAN_FR_PROBERESP {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     /*-- fixed fields -----------*/
@@ -720,8 +720,8 @@ typedef struct tagWLAN_FR_PROBERESP {
 // Authentication
 typedef struct tagWLAN_FR_AUTHEN {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     /*-- fixed fields -----------*/
@@ -736,8 +736,8 @@ typedef struct tagWLAN_FR_AUTHEN {
 // Deauthenication
 typedef struct tagWLAN_FR_DEAUTHEN {
 
-    UINT                    uType;
-    UINT                    len;
+    unsigned int                    uType;
+    unsigned int                    len;
     PBYTE                   pBuf;
     PUWLAN_80211HDR         pHdr;
     /*-- fixed fields -----------*/
diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c
index 01680e6b0f5..d3de94f36c6 100644
--- a/drivers/staging/vt6656/baseband.c
+++ b/drivers/staging/vt6656/baseband.c
@@ -662,11 +662,11 @@ const WORD awcFrameTime[MAX_RATE] =
 
 /*
 static
-ULONG
+unsigned long
 s_ulGetLowSQ3(PSDevice pDevice);
 
 static
-ULONG
+unsigned long
 s_ulGetRatio(PSDevice pDevice);
 
 static
@@ -689,19 +689,19 @@ s_vClearSQ3Value(PSDevice pDevice);
  * Return Value: FrameTime
  *
  */
-UINT
+unsigned int
 BBuGetFrameTime (
      BYTE byPreambleType,
      BYTE byPktType,
-     UINT cbFrameLength,
+     unsigned int cbFrameLength,
      WORD wRate
     )
 {
-    UINT uFrameTime;
-    UINT uPreamble;
-    UINT uTmp;
-    UINT uRateIdx = (UINT)wRate;
-    UINT uRate = 0;
+    unsigned int uFrameTime;
+    unsigned int uPreamble;
+    unsigned int uTmp;
+    unsigned int uRateIdx = (unsigned int)wRate;
+    unsigned int uRate = 0;
 
 
     if (uRateIdx > RATE_54M) {
@@ -709,7 +709,7 @@ BBuGetFrameTime (
         return 0;
     }
 
-    uRate = (UINT)awcFrameTime[uRateIdx];
+    uRate = (unsigned int)awcFrameTime[uRateIdx];
 
     if (uRateIdx <= 3) {          //CCK mode
 
@@ -759,7 +759,7 @@ BBuGetFrameTime (
 void
 BBvCaculateParameter (
       PSDevice pDevice,
-      UINT cbFrameLength,
+      unsigned int cbFrameLength,
       WORD wRate,
       BYTE byPacketType,
      PWORD pwPhyLen,
@@ -767,9 +767,9 @@ BBvCaculateParameter (
      PBYTE pbyPhySgn
     )
 {
-    UINT cbBitCount;
-    UINT cbUsCount = 0;
-    UINT cbTmp;
+    unsigned int cbBitCount;
+    unsigned int cbUsCount = 0;
+    unsigned int cbTmp;
     BOOL bExtBit;
     BYTE byPreambleType = pDevice->byPreambleType;
     BOOL bCCK = pDevice->bCCK;
@@ -1360,13 +1360,11 @@ BBvExitDeepSleep (PSDevice pDevice)
 }
 
 
-static
-ULONG
-s_ulGetLowSQ3(PSDevice pDevice)
+static unsigned long s_ulGetLowSQ3(PSDevice pDevice)
 {
-int   ii;
-ULONG ulSQ3 = 0;
-ULONG ulMaxPacket;
+	int ii;
+	unsigned long ulSQ3 = 0;
+	unsigned long ulMaxPacket;
 
     ulMaxPacket = pDevice->aulPktNum[RATE_54M];
     if ( pDevice->aulPktNum[RATE_54M] != 0 ) {
@@ -1382,16 +1380,12 @@ ULONG ulMaxPacket;
     return ulSQ3;
 }
 
-
-
-static
-ULONG
-s_ulGetRatio (PSDevice pDevice)
+static unsigned long s_ulGetRatio(PSDevice pDevice)
 {
-int     ii,jj;
-ULONG   ulRatio = 0;
-ULONG   ulMaxPacket;
-ULONG   ulPacketNum;
+	int ii, jj;
+	unsigned long ulRatio = 0;
+	unsigned long ulMaxPacket;
+	unsigned long ulPacketNum;
 
     //This is a thousand-ratio
     ulMaxPacket = pDevice->aulPktNum[RATE_54M];
diff --git a/drivers/staging/vt6656/baseband.h b/drivers/staging/vt6656/baseband.h
index d59992c17ec..bc4633d5fea 100644
--- a/drivers/staging/vt6656/baseband.h
+++ b/drivers/staging/vt6656/baseband.h
@@ -96,18 +96,18 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-UINT
+unsigned int
 BBuGetFrameTime(
      BYTE byPreambleType,
      BYTE byFreqType,
-     UINT cbFrameLength,
+     unsigned int cbFrameLength,
      WORD wRate
     );
 
 void
 BBvCaculateParameter (
       PSDevice pDevice,
-      UINT cbFrameLength,
+      unsigned int cbFrameLength,
       WORD wRate,
       BYTE byPacketType,
      PWORD pwPhyLen,
diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c
index a10c46339ad..36ed61b595c 100644
--- a/drivers/staging/vt6656/bssdb.c
+++ b/drivers/staging/vt6656/bssdb.c
@@ -129,8 +129,8 @@ PKnownBSS BSSpSearchBSSList(void *hDeviceContext,
     PKnownBSS       pCurrBSS = NULL;
     PKnownBSS       pSelect = NULL;
     BYTE                 ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
-    UINT            ii = 0;
-    UINT            jj = 0;   //DavidWang
+    unsigned int ii = 0;
+    unsigned int jj = 0;
     if (pbyDesireBSSID != NULL) {
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSpSearchBSSList BSSID[%02X %02X %02X-%02X %02X %02X]\n",
                             *pbyDesireBSSID,*(pbyDesireBSSID+1),*(pbyDesireBSSID+2),
@@ -291,7 +291,7 @@ void BSSvClearBSSList(void *hDeviceContext, BOOL bKeepCurrBSSID)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            ii;
+    unsigned int            ii;
 
     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
         if (bKeepCurrBSSID) {
@@ -336,7 +336,7 @@ PKnownBSS BSSpAddrIsInBSSList(void *hDeviceContext,
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     PKnownBSS       pBSSList = NULL;
-    UINT            ii;
+    unsigned int            ii;
 
     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
         pBSSList = &(pMgmt->sBSSList[ii]);
@@ -381,7 +381,7 @@ BOOL BSSbInsertToBSSList(void *hDeviceContext,
 			 PWLAN_IE_RSN_EXT pRSNWPA,
 			 PWLAN_IE_COUNTRY pIE_Country,
 			 PWLAN_IE_QUIET pIE_Quiet,
-			 UINT uIELength,
+			 unsigned int uIELength,
 			 PBYTE pbyIEs,
 			 void *pRxPacketContext)
 {
@@ -390,7 +390,7 @@ BOOL BSSbInsertToBSSList(void *hDeviceContext,
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
     PKnownBSS       pBSSList = NULL;
-    UINT            ii;
+    unsigned int            ii;
     BOOL            bParsingQuiet = FALSE;
 
 
@@ -465,24 +465,27 @@ BOOL BSSbInsertToBSSList(void *hDeviceContext,
     WPA_ClearRSN(pBSSList);
 
     if (pRSNWPA != NULL) {
-        UINT uLen = pRSNWPA->len + 2;
+	unsigned int uLen = pRSNWPA->len + 2;
 
-        if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSNWPA - pbyIEs))) {
-            pBSSList->wWPALen = uLen;
-            memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
-            WPA_ParseRSN(pBSSList, pRSNWPA);
-        }
+	if (uLen <= (uIELength -
+		     (unsigned int) (ULONG_PTR) ((PBYTE) pRSNWPA - pbyIEs))) {
+		pBSSList->wWPALen = uLen;
+		memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
+		WPA_ParseRSN(pBSSList, pRSNWPA);
+	}
     }
 
     WPA2_ClearRSN(pBSSList);
 
     if (pRSN != NULL) {
-        UINT uLen = pRSN->len + 2;
-        if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSN - pbyIEs))) {
-            pBSSList->wRSNLen = uLen;
-            memcpy(pBSSList->byRSNIE, pRSN, uLen);
-            WPA2vParseRSN(pBSSList, pRSN);
-        }
+	unsigned int uLen = pRSN->len + 2;
+
+	if (uLen <= (uIELength -
+		     (unsigned int) (ULONG_PTR) ((PBYTE) pRSN - pbyIEs))) {
+		pBSSList->wRSNLen = uLen;
+		memcpy(pBSSList->byRSNIE, pRSN, uLen);
+		WPA2vParseRSN(pBSSList, pRSN);
+	}
     }
 
     if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == TRUE)) {
@@ -600,7 +603,7 @@ BOOL BSSbUpdateToBSSList(void *hDeviceContext,
 			 PWLAN_IE_COUNTRY pIE_Country,
 			 PWLAN_IE_QUIET pIE_Quiet,
 			 PKnownBSS pBSSList,
-			 UINT uIELength,
+			 unsigned int uIELength,
 			 PBYTE pbyIEs,
 			 void *pRxPacketContext)
 {
@@ -667,24 +670,26 @@ BOOL BSSbUpdateToBSSList(void *hDeviceContext,
 
    WPA_ClearRSN(pBSSList);         //mike update
 
-    if (pRSNWPA != NULL) {
-        UINT uLen = pRSNWPA->len + 2;
-        if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSNWPA - pbyIEs))) {
-            pBSSList->wWPALen = uLen;
-            memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
-            WPA_ParseRSN(pBSSList, pRSNWPA);
-        }
-    }
+   if (pRSNWPA != NULL) {
+	unsigned int uLen = pRSNWPA->len + 2;
+	if (uLen <= (uIELength -
+		     (unsigned int) (ULONG_PTR) ((PBYTE) pRSNWPA - pbyIEs))) {
+		pBSSList->wWPALen = uLen;
+		memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
+		WPA_ParseRSN(pBSSList, pRSNWPA);
+	}
+   }
 
    WPA2_ClearRSN(pBSSList);  //mike update
 
     if (pRSN != NULL) {
-        UINT uLen = pRSN->len + 2;
-        if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSN - pbyIEs))) {
-            pBSSList->wRSNLen = uLen;
-            memcpy(pBSSList->byRSNIE, pRSN, uLen);
-            WPA2vParseRSN(pBSSList, pRSN);
-        }
+	unsigned int uLen = pRSN->len + 2;
+	if (uLen <= (uIELength -
+			(unsigned int) (ULONG_PTR) ((PBYTE) pRSN - pbyIEs))) {
+		pBSSList->wRSNLen = uLen;
+		memcpy(pBSSList->byRSNIE, pRSN, uLen);
+		WPA2vParseRSN(pBSSList, pRSN);
+	}
     }
 
     if (pRxPacket->uRSSI != 0) {
@@ -754,7 +759,7 @@ BOOL BSSbIsSTAInNodeDB(void *hDeviceContext,
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            ii;
+    unsigned int            ii;
 
     // Index = 0 reserved for AP Node
     for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
@@ -786,9 +791,9 @@ void BSSvCreateOneNode(void *hDeviceContext, PUINT puNodeIndex)
 
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            ii;
-    UINT            BigestCount = 0;
-    UINT            SelectIndex;
+    unsigned int            ii;
+    unsigned int            BigestCount = 0;
+    unsigned int            SelectIndex;
     struct sk_buff  *skb;
     // Index = 0 reserved for AP Node (In STA mode)
     // Index = 0 reserved for Broadcast/MultiCast (In AP mode)
@@ -843,7 +848,7 @@ void BSSvCreateOneNode(void *hDeviceContext, PUINT puNodeIndex)
  *
 -*/
 
-void BSSvRemoveOneNode(void *hDeviceContext, UINT uNodeIndex)
+void BSSvRemoveOneNode(void *hDeviceContext, unsigned int uNodeIndex)
 {
 
     PSDevice        pDevice = (PSDevice)hDeviceContext;
@@ -879,7 +884,7 @@ void BSSvUpdateAPNode(void *hDeviceContext,
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            uRateLen = WLAN_RATES_MAXLEN;
+    unsigned int            uRateLen = WLAN_RATES_MAXLEN;
 
     memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 
@@ -967,11 +972,11 @@ void BSSvSecondCallBack(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            ii;
+    unsigned int            ii;
     PWLAN_IE_SSID   pItemSSID, pCurrSSID;
-    UINT            uSleepySTACnt = 0;
-    UINT            uNonShortSlotSTACnt = 0;
-    UINT            uLongPreambleSTACnt = 0;
+    unsigned int            uSleepySTACnt = 0;
+    unsigned int            uNonShortSlotSTACnt = 0;
+    unsigned int            uLongPreambleSTACnt = 0;
     viawget_wpa_header *wpahdr;  //DavidWang
 
     spin_lock_irq(&pDevice->lock);
@@ -1360,12 +1365,12 @@ void BSSvUpdateNodeTxCounter(void *hDeviceContext,
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            uNodeIndex = 0;
+    unsigned int            uNodeIndex = 0;
     BYTE            byTxRetry;
     WORD            wRate;
     WORD            wFallBackRate = RATE_1M;
     BYTE            byFallBack;
-    UINT            ii;
+    unsigned int            ii;
     PBYTE           pbyDestAddr;
     BYTE            byPktNum;
     WORD            wFIFOCtl;
@@ -1516,12 +1521,12 @@ void BSSvUpdateNodeTxCounter(void *hDeviceContext,
 -*/
 
 void BSSvClearNodeDBTable(void *hDeviceContext,
-			  UINT uStartIndex)
+			  unsigned int uStartIndex)
 {
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     struct sk_buff  *skb;
-    UINT            ii;
+    unsigned int            ii;
 
     for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
         if (pMgmt->sNodeDBTable[ii].bActive) {
@@ -1586,9 +1591,9 @@ void s_vCheckSensitivity(void *hDeviceContext)
 void s_uCalculateLinkQual(void *hDeviceContext)
 {
    PSDevice        pDevice = (PSDevice)hDeviceContext;
-   ULONG TxOkRatio, TxCnt;
-   ULONG RxOkRatio,RxCnt;
-   ULONG RssiRatio;
+   unsigned long TxOkRatio, TxCnt;
+   unsigned long RxOkRatio, RxCnt;
+   unsigned long RssiRatio;
    long ldBm;
 
 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
@@ -1633,7 +1638,7 @@ void BSSvClearAnyBSSJoinRecord(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            ii;
+    unsigned int            ii;
 
     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
         pMgmt->sBSSList[ii].bSelected = FALSE;
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index 0158b0bdf1a..9686d8600d6 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -97,10 +97,10 @@ typedef struct tagKnownBSS {
     // BSS info
     BOOL            bActive;
     BYTE            abyBSSID[WLAN_BSSID_LEN];
-    UINT            uChannel;
+    unsigned int            uChannel;
     BYTE            abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
     BYTE            abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
-    UINT            uRSSI;
+    unsigned int            uRSSI;
     BYTE            bySQ;
     WORD            wBeaconInterval;
     WORD            wCapInfo;
@@ -141,9 +141,9 @@ typedef struct tagKnownBSS {
     WORD            wRSNLen;
 
     // Clear count
-    UINT            uClearCount;
+    unsigned int            uClearCount;
 //    BYTE            abyIEs[WLAN_BEACON_FR_MAXLEN];
-    UINT            uIELength;
+    unsigned int            uIELength;
     QWORD           qwBSSTimestamp;
     QWORD           qwLocalTSF;     // local TSF timer
 
@@ -178,7 +178,7 @@ typedef struct tagKnownNodeDB {
     BOOL            bShortPreamble;
     BOOL            bERPExist;
     BOOL            bShortSlotTime;
-    UINT            uInActiveCount;
+    unsigned int            uInActiveCount;
     WORD            wMaxBasicRate;     //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
     WORD            wMaxSuppRate;      //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
     WORD            wSuppRate;
@@ -194,35 +194,35 @@ typedef struct tagKnownNodeDB {
     BOOL            bPSEnable;
     BOOL            bRxPSPoll;
     BYTE            byAuthSequence;
-    ULONG           ulLastRxJiffer;
+    unsigned long           ulLastRxJiffer;
     BYTE            bySuppRate;
     DWORD           dwFlags;
     WORD            wEnQueueCnt;
 
     BOOL            bOnFly;
-    ULONGLONG       KeyRSC;
+    unsigned long long       KeyRSC;
     BYTE            byKeyIndex;
     DWORD           dwKeyIndex;
     BYTE            byCipherSuite;
     DWORD           dwTSC47_16;
     WORD            wTSC15_0;
-    UINT            uWepKeyLength;
+    unsigned int            uWepKeyLength;
     BYTE            abyWepKey[WLAN_WEPMAX_KEYLEN];
     //
     // Auto rate fallback vars
     BOOL            bIsInFallback;
-    UINT            uAverageRSSI;
-    UINT            uRateRecoveryTimeout;
-    UINT            uRatePollTimeout;
-    UINT            uTxFailures;
-    UINT            uTxAttempts;
+    unsigned int            uAverageRSSI;
+    unsigned int            uRateRecoveryTimeout;
+    unsigned int            uRatePollTimeout;
+    unsigned int            uTxFailures;
+    unsigned int            uTxAttempts;
 
-    UINT            uTxRetry;
-    UINT            uFailureRatio;
-    UINT            uRetryRatio;
-    UINT            uTxOk[MAX_RATE+1];
-    UINT            uTxFail[MAX_RATE+1];
-    UINT            uTimeCount;
+    unsigned int            uTxRetry;
+    unsigned int            uFailureRatio;
+    unsigned int            uRetryRatio;
+    unsigned int            uTxOk[MAX_RATE+1];
+    unsigned int            uTxFail[MAX_RATE+1];
+    unsigned int            uTimeCount;
 
 } KnownNodeDB, *PKnownNodeDB;
 
@@ -253,7 +253,7 @@ BOOL BSSbInsertToBSSList(void *hDeviceContext,
 			 PWLAN_IE_RSN_EXT pRSNWPA,
 			 PWLAN_IE_COUNTRY pIE_Country,
 			 PWLAN_IE_QUIET pIE_Quiet,
-			 UINT uIELength,
+			 unsigned int uIELength,
 			 PBYTE pbyIEs,
 			 void *pRxPacketContext);
 
@@ -272,7 +272,7 @@ BOOL BSSbUpdateToBSSList(void *hDeviceContext,
 			 PWLAN_IE_COUNTRY pIE_Country,
 			 PWLAN_IE_QUIET pIE_Quiet,
 			 PKnownBSS pBSSList,
-			 UINT uIELength,
+			 unsigned int uIELength,
 			 PBYTE pbyIEs,
 			 void *pRxPacketContext);
 
@@ -295,12 +295,12 @@ void BSSvUpdateNodeTxCounter(void *hDeviceContext,
 			     BYTE byPktNO);
 
 void BSSvRemoveOneNode(void *hDeviceContext,
-		       UINT uNodeIndex);
+		       unsigned int uNodeIndex);
 
 void BSSvAddMulticastNode(void *hDeviceContext);
 
 void BSSvClearNodeDBTable(void *hDeviceContext,
-			  UINT uStartIndex);
+			  unsigned int uStartIndex);
 
 void BSSvClearAnyBSSJoinRecord(void *hDeviceContext);
 
diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c
index 6baf8696254..fe4ec913ffe 100644
--- a/drivers/staging/vt6656/card.c
+++ b/drivers/staging/vt6656/card.c
@@ -95,7 +95,7 @@ const WORD cwRXBCNTSFOff[MAX_RATE] =
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL CARDbSetMediaChannel(void *pDeviceHandler, UINT uConnectionChannel)
+BOOL CARDbSetMediaChannel(void *pDeviceHandler, unsigned int uConnectionChannel)
 {
 PSDevice            pDevice = (PSDevice) pDeviceHandler;
 BOOL                bResult = TRUE;
@@ -159,7 +159,7 @@ BOOL                bResult = TRUE;
 static WORD swGetCCKControlRate(void *pDeviceHandler, WORD wRateIdx)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
-    UINT ui = (UINT)wRateIdx;
+    unsigned int ui = (unsigned int)wRateIdx;
     while (ui > RATE_1M) {
         if (pDevice->wBasicRate & ((WORD)1 << ui)) {
             return (WORD)ui;
@@ -185,7 +185,7 @@ static WORD swGetCCKControlRate(void *pDeviceHandler, WORD wRateIdx)
 static WORD swGetOFDMControlRate(void *pDeviceHandler, WORD wRateIdx)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
-    UINT ui = (UINT)wRateIdx;
+    unsigned int ui = (unsigned int)wRateIdx;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BASIC RATE: %X\n", pDevice->wBasicRate);
 
@@ -508,7 +508,7 @@ void vUpdateIFS(void *pDeviceHandler)
     else {// PK_TYPE_11GA & PK_TYPE_11GB
         BYTE byRate = 0;
         BOOL bOFDMRate = FALSE;
-        UINT ii = 0;
+	unsigned int ii = 0;
         PWLAN_IE_SUPP_RATES pItemRates = NULL;
 
         pDevice->uSIFS = C_SIFS_BG;
@@ -806,9 +806,9 @@ BOOL CARDbClearCurrentTSF(void *pDeviceHandler)
 QWORD CARDqGetNextTBTT (QWORD qwTSF, WORD wBeaconInterval)
 {
 
-    UINT    uLowNextTBTT;
-    UINT    uHighRemain, uLowRemain;
-    UINT    uBeaconInterval;
+    unsigned int    uLowNextTBTT;
+    unsigned int    uHighRemain, uLowRemain;
+    unsigned int    uBeaconInterval;
 
     uBeaconInterval = wBeaconInterval * 1024;
     // Next TBTT = ((local_current_TSF / beacon_interval) + 1 ) * beacon_interval
diff --git a/drivers/staging/vt6656/card.h b/drivers/staging/vt6656/card.h
index 963c8ad3d2e..6c91343d0d1 100644
--- a/drivers/staging/vt6656/card.h
+++ b/drivers/staging/vt6656/card.h
@@ -60,7 +60,8 @@ typedef enum _CARD_OP_MODE {
 
 /*---------------------  Export Functions  --------------------------*/
 
-BOOL CARDbSetMediaChannel(void *pDeviceHandler, UINT uConnectionChannel);
+BOOL CARDbSetMediaChannel(void *pDeviceHandler,
+			  unsigned int uConnectionChannel);
 void CARDvSetRSPINF(void *pDeviceHandler, BYTE byBBType);
 void vUpdateIFS(void *pDeviceHandler);
 void CARDvUpdateBasicTopRate(void *pDeviceHandler);
diff --git a/drivers/staging/vt6656/channel.c b/drivers/staging/vt6656/channel.c
index c9b8b19a1f7..f49b6e13339 100644
--- a/drivers/staging/vt6656/channel.c
+++ b/drivers/staging/vt6656/channel.c
@@ -389,7 +389,7 @@ static  struct
 // 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165 (Value 23 ~ 56)
  ************************************************************************/
 BOOL
-ChannelValid(UINT CountryCode, UINT ChannelIndex)
+ChannelValid(unsigned int CountryCode, unsigned int ChannelIndex)
 {
     BOOL    bValid;
 
@@ -425,7 +425,7 @@ exit:
  ************************************************************************/
 BOOL
 CHvChannelGetList (
-      UINT       uCountryCodeIdx,
+      unsigned int       uCountryCodeIdx,
      PBYTE      pbyChannelTable
     )
 {
@@ -441,7 +441,7 @@ void CHvInitChannelTable(void *pDeviceHandler)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     BOOL        bMultiBand = FALSE;
-    UINT        ii;
+    unsigned int        ii;
 
     for(ii=1;ii<=CB_MAX_CHANNEL;ii++) {
         sChannelTbl[ii].bValid = FALSE;
diff --git a/drivers/staging/vt6656/channel.h b/drivers/staging/vt6656/channel.h
index 26d12a0c6db..91c2ffc6f1f 100644
--- a/drivers/staging/vt6656/channel.h
+++ b/drivers/staging/vt6656/channel.h
@@ -37,20 +37,20 @@
 /*---------------------  Export Classes  ----------------------------*/
 typedef struct tagSChannelTblElement {
     BYTE    byChannelNumber;
-    UINT    uFrequency;
+    unsigned int    uFrequency;
     BOOL    bValid;
 }SChannelTblElement, *PSChannelTblElement;
 
 /*---------------------  Export Variables  --------------------------*/
 
 /*---------------------  Export Functions  --------------------------*/
-BOOL    ChannelValid(UINT CountryCode, UINT ChannelNum);
+BOOL    ChannelValid(unsigned int CountryCode, unsigned int ChannelNum);
 void    CHvInitChannelTable(void *pDeviceHandler);
 BYTE    CHbyGetChannelMapping(BYTE byChannelNumber);
 
 BOOL
 CHvChannelGetList (
-      UINT       uCountryCodeIdx,
+      unsigned int       uCountryCodeIdx,
      PBYTE      pbyChannelTable
     );
 
diff --git a/drivers/staging/vt6656/datarate.c b/drivers/staging/vt6656/datarate.c
index 4d2880b8d83..2e183ddbfd0 100644
--- a/drivers/staging/vt6656/datarate.c
+++ b/drivers/staging/vt6656/datarate.c
@@ -201,11 +201,11 @@ void RATEvParseMaxRate(
     )
 {
 PSDevice  pDevice = (PSDevice) pDeviceHandler;
-UINT  ii;
+unsigned int  ii;
 BYTE  byHighSuppRate = 0;
 BYTE  byRate = 0;
 WORD  wOldBasicRate = pDevice->wBasicRate;
-UINT  uRateLen;
+unsigned int  uRateLen;
 
 
     if (pItemRates == NULL)
@@ -241,7 +241,7 @@ UINT  uRateLen;
     if ((pItemExtRates != NULL) && (pItemExtRates->byElementID == WLAN_EID_EXTSUPP_RATES) &&
         (pDevice->byBBType != BB_TYPE_11B)) {
 
-        UINT  uExtRateLen = pItemExtRates->len;
+	unsigned int uExtRateLen = pItemExtRates->len;
 
         if (uExtRateLen > WLAN_RATES_MAXLEN)
             uExtRateLen = WLAN_RATES_MAXLEN;
@@ -311,7 +311,7 @@ PSDevice        pDevice = (PSDevice) pDeviceHandler;
 PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 #if 1  //mike fixed old: use packet lose ratio algorithm to control rate
 WORD            wIdxDownRate = 0;
-UINT            ii;
+unsigned int            ii;
 BOOL            bAutoRate[MAX_RATE]    = {TRUE,TRUE,TRUE,TRUE,FALSE,FALSE,TRUE,TRUE,TRUE,TRUE,TRUE,TRUE};
 DWORD           dwThroughputTbl[MAX_RATE] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
 DWORD           dwThroughput = 0;
@@ -392,7 +392,7 @@ DWORD           dwTxDiff = 0;
 #else  //mike fixed new: use differ-signal strength to control rate
 WORD            wIdxUpRate = 0;
 BOOL            bAutoRate[MAX_RATE]    = {TRUE,TRUE,TRUE,TRUE,FALSE,FALSE,TRUE,TRUE,TRUE,TRUE,TRUE,TRUE};
-UINT            ii;
+unsigned int            ii;
 long  ldBm;
 
     if (pMgmt->eScanState != WMAC_NO_SCANNING) {
@@ -468,10 +468,10 @@ BYTE
 RATEuSetIE (
      PWLAN_IE_SUPP_RATES pSrcRates,
      PWLAN_IE_SUPP_RATES pDstRates,
-     UINT                uRateLen
+     unsigned int                uRateLen
     )
 {
-    UINT ii, uu, uRateCnt = 0;
+    unsigned int ii, uu, uRateCnt = 0;
 
     if ((pSrcRates == NULL) || (pDstRates == NULL))
         return 0;
diff --git a/drivers/staging/vt6656/datarate.h b/drivers/staging/vt6656/datarate.h
index 7d73a3a53be..c6f5163ff9b 100644
--- a/drivers/staging/vt6656/datarate.h
+++ b/drivers/staging/vt6656/datarate.h
@@ -92,7 +92,7 @@ BYTE
 RATEuSetIE(
      PWLAN_IE_SUPP_RATES pSrcRates,
      PWLAN_IE_SUPP_RATES pDstRates,
-     UINT                uRateLen
+     unsigned int                uRateLen
     );
 
 WORD
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index eb45ee59764..ef9fd97d3ca 100644
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -225,12 +225,12 @@ typedef struct _USB_SEND_CONTEXT {
     void *pDevice;
     struct sk_buff *pPacket;
     struct urb      *pUrb;
-    UINT            uBufLen;
+    unsigned int            uBufLen;
     CONTEXT_TYPE    Type;
     SEthernetHeader sEthHeader;
     void *Next;
     BOOL            bBoolInUse;
-    UCHAR           Data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
+    unsigned char           Data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
 } USB_SEND_CONTEXT, *PUSB_SEND_CONTEXT;
 
 
@@ -248,7 +248,7 @@ typedef struct _DEFAULT_CONFIG {
 // Structure to keep track of usb interrupt packets
 //
 typedef struct {
-    UINT            uDataLen;
+    unsigned int            uDataLen;
     PBYTE           pDataBuf;
 //    struct urb      *pUrb;
     BOOL            bInUse;
@@ -295,7 +295,7 @@ typedef enum __DEVICE_NDIS_STATUS {
 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED	0x01
 
 // PMKID Structures
-typedef UCHAR   NDIS_802_11_PMKID_VALUE[16];
+typedef unsigned char   NDIS_802_11_PMKID_VALUE[16];
 
 
 typedef enum _NDIS_802_11_WEP_STATUS
@@ -327,7 +327,7 @@ typedef enum _NDIS_802_11_STATUS_TYPE
 //Added new types for PMKID Candidate lists.
 typedef struct _PMKID_CANDIDATE {
     NDIS_802_11_MAC_ADDRESS BSSID;
-    ULONG Flags;
+    unsigned long Flags;
 } PMKID_CANDIDATE, *PPMKID_CANDIDATE;
 
 
@@ -338,15 +338,15 @@ typedef struct _BSSID_INFO
 } BSSID_INFO, *PBSSID_INFO;
 
 typedef struct tagSPMKID {
-    ULONG Length;
-    ULONG BSSIDInfoCount;
+    unsigned long Length;
+    unsigned long BSSIDInfoCount;
     BSSID_INFO BSSIDInfo[MAX_BSSIDINFO_4_PMKID];
 } SPMKID, *PSPMKID;
 
 typedef struct tagSPMKIDCandidateEvent {
     NDIS_802_11_STATUS_TYPE     StatusType;
-    ULONG Version;       // Version of the structure
-    ULONG NumCandidates; // No. of pmkid candidates
+	unsigned long Version;       /* Version of the structure */
+	unsigned long NumCandidates; /* No. of pmkid candidates */
     PMKID_CANDIDATE CandidateList[MAX_PMKIDLIST];
 } SPMKIDCandidateEvent, *PSPMKIDCandidateEvent;
 
@@ -376,7 +376,7 @@ typedef struct tagSCache{
 /* The receive cache is updated circularly.  The next entry to be written is
  * indexed by the "InPtr".
 */
-    UINT            uInPtr;         // Place to use next
+	unsigned int uInPtr; /* Place to use next */
     SCacheEntry     asCacheEntry[DUPLICATE_RX_CACHE_LENGTH];
 } SCache, *PSCache;
 
@@ -387,10 +387,10 @@ typedef struct tagSDeFragControlBlock
     WORD            wSequence;
     WORD            wFragNum;
     BYTE            abyAddr2[ETH_ALEN];
-	UINT            uLifetime;
+	unsigned int            uLifetime;
     struct sk_buff* skb;
     PBYTE           pbyRxBuffer;
-    UINT            cbFrameLength;
+    unsigned int            cbFrameLength;
     BOOL            bInUse;
 } SDeFragControlBlock, *PSDeFragControlBlock;
 
@@ -463,14 +463,14 @@ typedef struct __device_info {
     BYTE                        byRevId;
 
     u32                         flags;
-    ULONG                       Flags;
+    unsigned long                       Flags;
 
     SCache                      sDupRxCache;
 
     SDeFragControlBlock         sRxDFCB[CB_MAX_RX_FRAG];
-    UINT                        cbDFCB;
-    UINT                        cbFreeDFCB;
-    UINT                        uCurrentDFCBIdx;
+    unsigned int                        cbDFCB;
+    unsigned int                        cbFreeDFCB;
+    unsigned int                        uCurrentDFCBIdx;
 
     // +++USB
 
@@ -478,29 +478,29 @@ typedef struct __device_info {
     struct urb                  *pInterruptURB;
 	struct usb_ctrlrequest      sUsbCtlRequest;
 
-    UINT                        int_interval;
+    unsigned int                        int_interval;
     //
     // Variables to track resources for the BULK In Pipe
     //
     PRCB                        pRCBMem;
     PRCB                        apRCB[CB_MAX_RX_DESC];
-    UINT                        cbRD;
+    unsigned int                        cbRD;
     PRCB                        FirstRecvFreeList;
     PRCB                        LastRecvFreeList;
-    UINT                        NumRecvFreeList;
+    unsigned int                        NumRecvFreeList;
     PRCB                        FirstRecvMngList;
     PRCB                        LastRecvMngList;
-    UINT                        NumRecvMngList;
+    unsigned int                        NumRecvMngList;
     BOOL                        bIsRxWorkItemQueued;
     BOOL                        bIsRxMngWorkItemQueued;
-    ULONG                       ulRcvRefCount;      // number of packets that have not been returned back
+	unsigned long ulRcvRefCount; /* packets that have not returned back */
 
     //
     //  Variables to track resources for the BULK Out Pipe
     //
 
     PUSB_SEND_CONTEXT           apTD[CB_MAX_TX_DESC];
-    UINT                        cbTD;
+    unsigned int                        cbTD;
 
     //
     //  Variables to track resources for the Interript In Pipe
@@ -517,20 +517,20 @@ typedef struct __device_info {
     //
     // Statistic for USB
     // protect with spinlock
-    ULONG                       ulBulkInPosted;
-    ULONG                       ulBulkInError;
-    ULONG                       ulBulkInContCRCError;
-    ULONG                       ulBulkInBytesRead;
+    unsigned long                       ulBulkInPosted;
+    unsigned long                       ulBulkInError;
+    unsigned long                       ulBulkInContCRCError;
+    unsigned long                       ulBulkInBytesRead;
 
-    ULONG                       ulBulkOutPosted;
-    ULONG                       ulBulkOutError;
-    ULONG                       ulBulkOutContCRCError;
-    ULONG                       ulBulkOutBytesWrite;
+    unsigned long                       ulBulkOutPosted;
+    unsigned long                       ulBulkOutError;
+    unsigned long                       ulBulkOutContCRCError;
+    unsigned long                       ulBulkOutBytesWrite;
 
-    ULONG                       ulIntInPosted;
-    ULONG                       ulIntInError;
-    ULONG                       ulIntInContCRCError;
-    ULONG                       ulIntInBytesRead;
+    unsigned long                       ulIntInPosted;
+    unsigned long                       ulIntInError;
+    unsigned long                       ulIntInContCRCError;
+    unsigned long                       ulIntInBytesRead;
 
 
     // Version control
@@ -560,24 +560,24 @@ typedef struct __device_info {
     //
     // Maintain statistical debug info.
     //
-    ULONG                       packetsReceived;
-    ULONG                       packetsReceivedDropped;
-    ULONG                       packetsReceivedOverflow;
-    ULONG                       packetsSent;
-    ULONG                       packetsSentDropped;
-    ULONG                       SendContextsInUse;
-    ULONG                       RcvBuffersInUse;
+    unsigned long                       packetsReceived;
+    unsigned long                       packetsReceivedDropped;
+    unsigned long                       packetsReceivedOverflow;
+    unsigned long                       packetsSent;
+    unsigned long                       packetsSentDropped;
+    unsigned long                       SendContextsInUse;
+    unsigned long                       RcvBuffersInUse;
 
 
     // 802.11 management
     SMgmtObject                 sMgmtObj;
 
     QWORD                       qwCurrTSF;
-    UINT                        cbBulkInMax;
+    unsigned int                        cbBulkInMax;
     BOOL                        bPSRxBeacon;
 
     // 802.11 MAC specific
-    UINT                        uCurrRSSI;
+    unsigned int                        uCurrRSSI;
     BYTE                        byCurrSQ;
 
 
@@ -598,30 +598,31 @@ typedef struct __device_info {
 
     BOOL                        bDiversityRegCtlON;
     BOOL                        bDiversityEnable;
-    ULONG                       ulDiversityNValue;
-    ULONG                       ulDiversityMValue;
+    unsigned long                       ulDiversityNValue;
+    unsigned long                       ulDiversityMValue;
     BYTE                        byTMax;
     BYTE                        byTMax2;
     BYTE                        byTMax3;
-    ULONG                       ulSQ3TH;
+    unsigned long                       ulSQ3TH;
 
-    ULONG                       uDiversityCnt;
+    unsigned long                       uDiversityCnt;
     BYTE                        byAntennaState;
-    ULONG                       ulRatio_State0;
-    ULONG                       ulRatio_State1;
-    ULONG                       ulSQ3_State0;
-    ULONG                       ulSQ3_State1;
+    unsigned long                       ulRatio_State0;
+    unsigned long                       ulRatio_State1;
+    unsigned long                       ulSQ3_State0;
+    unsigned long                       ulSQ3_State1;
 
-    ULONG                       aulSQ3Val[MAX_RATE];
-    ULONG                       aulPktNum[MAX_RATE];
+    unsigned long                       aulSQ3Val[MAX_RATE];
+    unsigned long                       aulPktNum[MAX_RATE];
+
+	/* IFS & Cw */
+	unsigned int uSIFS;  /* Current SIFS */
+	unsigned int uDIFS;  /* Current DIFS */
+	unsigned int uEIFS;  /* Current EIFS */
+	unsigned int uSlot;  /* Current SlotTime */
+	unsigned int uCwMin; /* Current CwMin */
+	unsigned int uCwMax; /* CwMax is fixed on 1023 */
 
-    // IFS & Cw
-    UINT                        uSIFS;    //Current SIFS
-    UINT                        uDIFS;    //Current DIFS
-    UINT                        uEIFS;    //Current EIFS
-    UINT                        uSlot;    //Current SlotTime
-    UINT                        uCwMin;   //Current CwMin
-    UINT                        uCwMax;   //CwMax is fixed on 1023.
     // PHY parameter
     BYTE                        bySIFS;
     BYTE                        byDIFS;
@@ -646,7 +647,7 @@ typedef struct __device_info {
 
     BYTE                        byMinChannel;
     BYTE                        byMaxChannel;
-    UINT                        uConnectionRate;
+    unsigned int                        uConnectionRate;
 
     BYTE                        byPreambleType;
     BYTE                        byShortPreamble;
@@ -700,7 +701,7 @@ typedef struct __device_info {
     WORD                        wListenInterval;
     BOOL                        bPWBitOn;
     WMAC_POWER_MODE             ePSMode;
-    ULONG                       ulPSModeWaitTx;
+    unsigned long                       ulPSModeWaitTx;
     BOOL                        bPSModeTxBurst;
 
     // Beacon releated
@@ -709,7 +710,7 @@ typedef struct __device_info {
     BOOL                    bBeaconSent;
     BOOL                    bFixRate;
     BYTE                    byCurrentCh;
-    UINT                    uScanTime;
+    unsigned int                    uScanTime;
 
     CMD_STATE               eCommandState;
 
@@ -720,15 +721,15 @@ typedef struct __device_info {
     BOOL                    bStopBeacon;
     BOOL                    bStopDataPkt;
     BOOL                    bStopTx0Pkt;
-    UINT                    uAutoReConnectTime;
-    UINT                    uIsroamingTime;
+    unsigned int                    uAutoReConnectTime;
+    unsigned int                    uIsroamingTime;
 
     // 802.11 counter
 
     CMD_ITEM                eCmdQueue[CMD_Q_SIZE];
-    UINT                    uCmdDequeueIdx;
-    UINT                    uCmdEnqueueIdx;
-    UINT                    cbFreeCmdQueue;
+    unsigned int                    uCmdDequeueIdx;
+    unsigned int                    uCmdEnqueueIdx;
+    unsigned int                    cbFreeCmdQueue;
     BOOL                    bCmdRunning;
     BOOL                    bCmdClear;
     BOOL                    bNeedRadioOFF;
@@ -740,7 +741,7 @@ typedef struct __device_info {
     BYTE                    bSameBSSCurNum;  //DavidWang
     BOOL                    bRoaming;
     BOOL                    b11hEable;
-    ULONG                   ulTxPower;
+    unsigned long                   ulTxPower;
 
     // Encryption
     NDIS_802_11_WEP_STATUS  eEncryptionStatus;
@@ -761,11 +762,11 @@ typedef struct __device_info {
     BOOL                    bAES;
     BYTE                    byCntMeasure;
 
-    UINT                    uKeyLength;
+    unsigned int                    uKeyLength;
     BYTE                    abyKey[WLAN_WEP232_KEYLEN];
 
     // for AP mode
-    UINT                    uAssocCount;
+    unsigned int                    uAssocCount;
     BOOL                    bMoreData;
 
     // QoS
@@ -780,7 +781,7 @@ typedef struct __device_info {
 
     // For Update BaseBand VGA Gain Offset
     BOOL                    bUpdateBBVGA;
-    UINT                    uBBVGADiffCount;
+    unsigned int                    uBBVGADiffCount;
     BYTE                    byBBVGANew;
     BYTE                    byBBVGACurrent;
     BYTE                    abyBBVGA[BB_VGA_LEVEL];
@@ -812,7 +813,7 @@ typedef struct __device_info {
 //2007-0115-01<Add>by MikeLiu
 #ifdef TxInSleep
      struct timer_list       sTimerTxData;
-     ULONG                       nTxDataTimeCout;
+     unsigned long                       nTxDataTimeCout;
      BOOL  fTxDataInSleep;
      BOOL  IsTxDataTrigger;
 #endif
@@ -863,7 +864,7 @@ typedef struct __device_info {
 	struct net_device       *apdev;
 	int (*tx_80211)(struct sk_buff *skb, struct net_device *dev);
 #endif
-    UINT                    uChannel;
+    unsigned int                    uChannel;
 
 	struct iw_statistics	wstats;		// wireless stats
     BOOL                    bCommit;
@@ -928,7 +929,9 @@ typedef struct __device_info {
 
 /*---------------------  Export Functions  --------------------------*/
 
-//BOOL device_dma0_xmit(PSDevice pDevice, struct sk_buff *skb, UINT uNodeIndex);
+/* BOOL device_dma0_xmit(PSDevice pDevice, struct sk_buff *skb,
+ *                       unsigned int uNodeIndex);
+ */
 BOOL device_alloc_frag_buf(PSDevice pDevice, PSDeFragControlBlock pDeF);
 
 #endif
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index d9a02ba40d8..9afe76cacef 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -89,7 +89,7 @@ void
 s_vProcessRxMACHeader (
       PSDevice pDevice,
       PBYTE pbyRxBufferAddr,
-      UINT cbPacketSize,
+      unsigned int cbPacketSize,
       BOOL bIsWEP,
       BOOL bExtIV,
      PUINT pcbHeadSize
@@ -106,8 +106,8 @@ static BOOL s_bAPModeRxCtl(
 static BOOL s_bAPModeRxData (
      PSDevice pDevice,
      struct sk_buff *skb,
-     UINT     FrameSize,
-     UINT     cbHeaderOffset,
+     unsigned int     FrameSize,
+     unsigned int     cbHeaderOffset,
      signed int      iSANodeIndex,
      signed int      iDANodeIndex
     );
@@ -116,7 +116,7 @@ static BOOL s_bAPModeRxData (
 static BOOL s_bHandleRxEncryption(
      PSDevice     pDevice,
      PBYTE        pbyFrame,
-     UINT         FrameSize,
+     unsigned int         FrameSize,
      PBYTE        pbyRsr,
      PBYTE       pbyNewRsr,
      PSKeyItem   * pKeyOut,
@@ -129,7 +129,7 @@ static BOOL s_bHostWepRxEncryption(
 
      PSDevice     pDevice,
      PBYTE        pbyFrame,
-     UINT         FrameSize,
+     unsigned int         FrameSize,
      PBYTE        pbyRsr,
      BOOL         bOnFly,
      PSKeyItem    pKey,
@@ -164,14 +164,14 @@ void
 s_vProcessRxMACHeader (
       PSDevice pDevice,
       PBYTE pbyRxBufferAddr,
-      UINT cbPacketSize,
+      unsigned int cbPacketSize,
       BOOL bIsWEP,
       BOOL bExtIV,
      PUINT pcbHeadSize
     )
 {
     PBYTE           pbyRxBuffer;
-    UINT            cbHeaderSize = 0;
+    unsigned int            cbHeaderSize = 0;
     PWORD           pwType;
     PS802_11Header  pMACHeader;
     int             ii;
@@ -266,7 +266,7 @@ s_vGetDASA (
      PSEthernetHeader psEthHeader
     )
 {
-	UINT            cbHeaderSize = 0;
+	unsigned int            cbHeaderSize = 0;
 	PS802_11Header  pMACHeader;
 	int             ii;
 
@@ -318,7 +318,7 @@ BOOL
 RXbBulkInProcessData (
      PSDevice         pDevice,
      PRCB             pRCB,
-     ULONG            BytesToIndicate
+     unsigned long            BytesToIndicate
     )
 {
 
@@ -333,20 +333,20 @@ RXbBulkInProcessData (
     PQWORD          pqwTSFTime;
     PBYTE           pbyFrame;
     BOOL            bDeFragRx = FALSE;
-    UINT            cbHeaderOffset;
-    UINT            FrameSize;
+    unsigned int            cbHeaderOffset;
+    unsigned int            FrameSize;
     WORD            wEtherType = 0;
     signed int             iSANodeIndex = -1;
     signed int             iDANodeIndex = -1;
-    UINT            ii;
-    UINT            cbIVOffset;
+    unsigned int            ii;
+    unsigned int            cbIVOffset;
     PBYTE           pbyRxSts;
     PBYTE           pbyRxRate;
     PBYTE           pbySQ;
 #ifdef Calcu_LinkQual
     PBYTE           pby3SQ;
 #endif
-    UINT            cbHeaderSize;
+    unsigned int            cbHeaderSize;
     PSKeyItem       pKey = NULL;
     WORD            wRxTSC15_0 = 0;
     DWORD           dwRxTSC47_16 = 0;
@@ -372,7 +372,7 @@ RXbBulkInProcessData (
 
     //[31:16]RcvByteCount ( not include 4-byte Status )
     dwWbkStatus =  *( (PDWORD)(skb->data) );
-    FrameSize = (UINT)(dwWbkStatus >> 16);
+    FrameSize = (unsigned int)(dwWbkStatus >> 16);
     FrameSize += 4;
 
     if (BytesToIndicate != FrameSize) {
@@ -934,9 +934,9 @@ RXbBulkInProcessData (
         if (bIsWEP) {
             WORD        wLocalTSC15_0 = 0;
             DWORD       dwLocalTSC47_16 = 0;
-            ULONGLONG       RSC = 0;
+	    unsigned long long       RSC = 0;
             // endian issues
-            RSC = *((ULONGLONG *) &(pKey->KeyRSC));
+	    RSC = *((unsigned long long *) &(pKey->KeyRSC));
             wLocalTSC15_0 = (WORD) RSC;
             dwLocalTSC47_16 = (DWORD) (RSC>>16);
 
@@ -1151,7 +1151,7 @@ static BOOL s_bAPModeRxCtl (
 static BOOL s_bHandleRxEncryption (
      PSDevice     pDevice,
      PBYTE        pbyFrame,
-     UINT         FrameSize,
+     unsigned int         FrameSize,
      PBYTE        pbyRsr,
      PBYTE       pbyNewRsr,
      PSKeyItem   * pKeyOut,
@@ -1160,7 +1160,7 @@ static BOOL s_bHandleRxEncryption (
      PDWORD      pdwRxTSC47_16
     )
 {
-    UINT            PayloadLen = FrameSize;
+    unsigned int            PayloadLen = FrameSize;
     PBYTE           pbyIV;
     BYTE            byKeyIdx;
     PSKeyItem       pKey = NULL;
@@ -1297,7 +1297,7 @@ static BOOL s_bHandleRxEncryption (
 static BOOL s_bHostWepRxEncryption (
      PSDevice     pDevice,
      PBYTE        pbyFrame,
-     UINT         FrameSize,
+     unsigned int         FrameSize,
      PBYTE        pbyRsr,
      BOOL         bOnFly,
      PSKeyItem    pKey,
@@ -1308,7 +1308,7 @@ static BOOL s_bHostWepRxEncryption (
     )
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            PayloadLen = FrameSize;
+    unsigned int            PayloadLen = FrameSize;
     PBYTE           pbyIV;
     BYTE            byKeyIdx;
     BYTE            byDecMode = KEY_CTL_WEP;
@@ -1429,8 +1429,8 @@ static BOOL s_bHostWepRxEncryption (
 static BOOL s_bAPModeRxData (
      PSDevice pDevice,
      struct sk_buff *skb,
-     UINT     FrameSize,
-     UINT     cbHeaderOffset,
+     unsigned int     FrameSize,
+     unsigned int     cbHeaderOffset,
      signed int      iSANodeIndex,
      signed int      iDANodeIndex
     )
@@ -1503,7 +1503,8 @@ static BOOL s_bAPModeRxData (
             iDANodeIndex = 0;
 
         if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) {
-            bRelayPacketSend(pDevice, (PBYTE)(skb->data + cbHeaderOffset), FrameSize, (UINT)iDANodeIndex);
+		bRelayPacketSend(pDevice, (PBYTE) (skb->data + cbHeaderOffset),
+				 FrameSize, (unsigned int) iDANodeIndex);
         }
 
         if (bRelayOnly)
diff --git a/drivers/staging/vt6656/dpc.h b/drivers/staging/vt6656/dpc.h
index 7ea3ad97341..d4fca43af4f 100644
--- a/drivers/staging/vt6656/dpc.h
+++ b/drivers/staging/vt6656/dpc.h
@@ -55,7 +55,7 @@ BOOL
 RXbBulkInProcessData(
      PSDevice         pDevice,
      PRCB             pRCB,
-     ULONG            BytesToIndicate
+     unsigned long            BytesToIndicate
     );
 
 #endif /* __RXTX_H__ */
diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
index 93e52a3ebd8..f70e922a615 100644
--- a/drivers/staging/vt6656/hostap.c
+++ b/drivers/staging/vt6656/hostap.c
@@ -210,7 +210,7 @@ int vt6656_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
 static int hostap_remove_sta(PSDevice pDevice,
 				     struct viawget_hostapd_param *param)
 {
-	UINT uNodeIndex;
+	unsigned int uNodeIndex;
 
 
     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
@@ -239,7 +239,7 @@ static int hostap_add_sta(PSDevice pDevice,
 				  struct viawget_hostapd_param *param)
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-	UINT uNodeIndex;
+	unsigned int uNodeIndex;
 
 
     if (!BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
@@ -299,7 +299,7 @@ static int hostap_get_info_sta(PSDevice pDevice,
 				       struct viawget_hostapd_param *param)
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-	UINT uNodeIndex;
+	unsigned int uNodeIndex;
 
     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 	    param->u.get_info_sta.inactive_sec =
@@ -333,7 +333,7 @@ static int hostap_reset_txexc_sta(PSDevice pDevice,
 					  struct viawget_hostapd_param *param)
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-	UINT uNodeIndex;
+	unsigned int uNodeIndex;
 
     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
         pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts = 0;
@@ -363,13 +363,13 @@ static int hostap_set_flags_sta(PSDevice pDevice,
 					struct viawget_hostapd_param *param)
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-	UINT uNodeIndex;
+	unsigned int uNodeIndex;
 
     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 		pMgmt->sNodeDBTable[uNodeIndex].dwFlags |= param->u.set_flags_sta.flags_or;
 		pMgmt->sNodeDBTable[uNodeIndex].dwFlags &= param->u.set_flags_sta.flags_and;
-		DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " dwFlags = %x \n",
-		            (UINT)pMgmt->sNodeDBTable[uNodeIndex].dwFlags);
+		DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " dwFlags = %x\n",
+			(unsigned int) pMgmt->sNodeDBTable[uNodeIndex].dwFlags);
 	}
 	else {
 	    return -ENOENT;
diff --git a/drivers/staging/vt6656/ioctl.c b/drivers/staging/vt6656/ioctl.c
index 368e49f782f..19a84b66b09 100644
--- a/drivers/staging/vt6656/ioctl.c
+++ b/drivers/staging/vt6656/ioctl.c
@@ -72,10 +72,10 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
     SNodeList           sNodeList;
     PSBSSIDList         pList;
     PSNodeList          pNodeList;
-    UINT                cbListCount;
+    unsigned int                cbListCount;
     PKnownBSS           pBSS;
     PKnownNodeDB        pNode;
-    UINT                ii, jj;
+    unsigned int                ii, jj;
     SCmdLinkStatus      sLinkStatus;
     BYTE                abySuppRates[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
     BYTE                abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
@@ -337,7 +337,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
     		    pList->sBSSIDList[ii].wBeaconInterval = pBSS->wBeaconInterval;
     		    pList->sBSSIDList[ii].wCapInfo = pBSS->wCapInfo;
     		    RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm);
-    		    pList->sBSSIDList[ii].uRSSI = (UINT)ldBm;
+		    pList->sBSSIDList[ii].uRSSI = (unsigned int) ldBm;
 //    		    pList->sBSSIDList[ii].uRSSI = pBSS->uRSSI;
     		    memcpy(pList->sBSSIDList[ii].abyBSSID, pBSS->abyBSSID, WLAN_BSSID_LEN);
     		    pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
diff --git a/drivers/staging/vt6656/ioctl.h b/drivers/staging/vt6656/ioctl.h
index b307980999e..caa4ac963d9 100644
--- a/drivers/staging/vt6656/ioctl.h
+++ b/drivers/staging/vt6656/ioctl.h
@@ -47,7 +47,7 @@ void vConfigWEPKey (
      PSDevice pDevice,
      DWORD    dwKeyIndex,
      PBYTE    pbyKey,
-     ULONG    uKeyLength
+     unsigned long    uKeyLength
     );
 */
 
diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c
index 4d0db21b1b9..fa40522d4a9 100644
--- a/drivers/staging/vt6656/iwctl.c
+++ b/drivers/staging/vt6656/iwctl.c
@@ -769,7 +769,7 @@ int iwctl_siwap(struct net_device *dev,
        //mike add: if desired AP is hidden ssid(there are two same BSSID in list),
        //                  then ignore,because you don't known which one to be connect with??
        	{
-           UINT            ii , uSameBssidNum=0;
+		unsigned int ii, uSameBssidNum = 0;
                   for (ii = 0; ii < MAX_BSS_NUM; ii++) {
                      if (pMgmt->sBSSList[ii].bActive &&
                         IS_ETH_ADDRESS_EQUAL(pMgmt->sBSSList[ii].abyBSSID,pMgmt->abyDesireBSSID)) {
@@ -933,7 +933,7 @@ int iwctl_siwessid(struct net_device *dev,
         {
            PKnownBSS       pCurr = NULL;
            BYTE                   abyTmpDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
-	  UINT            ii , uSameBssidNum=0;
+	  unsigned int ii, uSameBssidNum = 0;
 
 	  memcpy(abyTmpDesireSSID,pMgmt->abyDesireSSID,sizeof(abyTmpDesireSSID));
             pCurr = BSSpSearchBSSList(pDevice,
@@ -1440,7 +1440,7 @@ int iwctl_giwencode(struct net_device *dev,
     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
     int rc = 0;
     char abyKey[WLAN_WEP232_KEYLEN];
-	UINT index = (UINT)(wrq->flags & IW_ENCODE_INDEX);
+	unsigned int index = (unsigned int)(wrq->flags & IW_ENCODE_INDEX);
 	PSKeyItem   pKey = NULL;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWENCODE\n");
@@ -1486,7 +1486,7 @@ int iwctl_giwencode(struct net_device *dev,
 	PSMgmtObject		pMgmt = &(pDevice->sMgmtObj);
 	char abyKey[WLAN_WEP232_KEYLEN];
 
-	UINT index = (UINT)(wrq->flags & IW_ENCODE_INDEX);
+	unsigned int index = (unsigned int)(wrq->flags & IW_ENCODE_INDEX);
 	PSKeyItem	pKey = NULL;
 
 	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWENCODE\n");
diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
index 7ff420d07c1..b0890c181e7 100644
--- a/drivers/staging/vt6656/key.c
+++ b/drivers/staging/vt6656/key.c
@@ -223,7 +223,7 @@ BOOL KeybSetKey(
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyIndex,
-    ULONG           uKeyLength,
+    unsigned long           uKeyLength,
     PQWORD          pKeyRSC,
     PBYTE           pbyKey,
     BYTE            byKeyDecMode
@@ -231,9 +231,9 @@ BOOL KeybSetKey(
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     int         i,j;
-    UINT        ii;
+    unsigned int        ii;
     PSKeyItem   pKey;
-    UINT        uKeyIdx;
+    unsigned int        uKeyIdx;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetKey: %lX\n", dwKeyIndex);
 
@@ -670,19 +670,19 @@ BOOL KeybSetDefaultKey(
     void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
-    ULONG           uKeyLength,
+    unsigned long           uKeyLength,
     PQWORD          pKeyRSC,
     PBYTE           pbyKey,
     BYTE            byKeyDecMode
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
-    UINT        ii;
+    unsigned int        ii;
     PSKeyItem   pKey;
-    UINT        uKeyIdx;
-
-    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetDefaultKey: %1x, %d \n", (int)dwKeyIndex, (int)uKeyLength);
+    unsigned int        uKeyIdx;
 
+    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Enter KeybSetDefaultKey: %1x, %d\n",
+	    (int) dwKeyIndex, (int) uKeyLength);
 
     if ((dwKeyIndex & PAIRWISE_KEY) != 0) {                  // Pairwise key
         return (FALSE);
@@ -778,7 +778,7 @@ BOOL KeybSetAllGroupKey(
     void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
-    ULONG           uKeyLength,
+    unsigned long           uKeyLength,
     PQWORD          pKeyRSC,
     PBYTE           pbyKey,
     BYTE            byKeyDecMode
@@ -786,9 +786,9 @@ BOOL KeybSetAllGroupKey(
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     int         i;
-    UINT        ii;
+    unsigned int        ii;
     PSKeyItem   pKey;
-    UINT        uKeyIdx;
+    unsigned int        uKeyIdx;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetAllGroupKey: %lX\n", dwKeyIndex);
 
diff --git a/drivers/staging/vt6656/key.h b/drivers/staging/vt6656/key.h
index 11fc41edd09..f749c7a027d 100644
--- a/drivers/staging/vt6656/key.h
+++ b/drivers/staging/vt6656/key.h
@@ -58,7 +58,7 @@
 typedef struct tagSKeyItem
 {
     BOOL        bKeyValid;
-    ULONG       uKeyLength;
+    unsigned long       uKeyLength;
     BYTE        abyKey[MAX_KEY_LEN];
     QWORD       KeyRSC;
     DWORD       dwTSC47_16;
@@ -107,7 +107,7 @@ BOOL KeybSetKey(
     PSKeyManagement pTable,
     PBYTE           pbyBSSID,
     DWORD           dwKeyIndex,
-    ULONG           uKeyLength,
+    unsigned long           uKeyLength,
     PQWORD          pKeyRSC,
     PBYTE           pbyKey,
     BYTE            byKeyDecMode
@@ -146,7 +146,7 @@ BOOL KeybSetDefaultKey(
     void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
-    ULONG           uKeyLength,
+    unsigned long           uKeyLength,
     PQWORD          pKeyRSC,
     PBYTE           pbyKey,
     BYTE            byKeyDecMode
@@ -156,7 +156,7 @@ BOOL KeybSetAllGroupKey(
     void *pDeviceHandler,
     PSKeyManagement pTable,
     DWORD           dwKeyIndex,
-    ULONG           uKeyLength,
+    unsigned long           uKeyLength,
     PQWORD          pKeyRSC,
     PBYTE           pbyKey,
     BYTE            byKeyDecMode
diff --git a/drivers/staging/vt6656/mac.c b/drivers/staging/vt6656/mac.c
index 71f09663e65..0ab3db025f3 100644
--- a/drivers/staging/vt6656/mac.c
+++ b/drivers/staging/vt6656/mac.c
@@ -70,7 +70,7 @@ static int          msglevel                =MSG_LEVEL_INFO;
  */
 void MACvSetMultiAddrByHash (PSDevice pDevice, BYTE byHashIdx)
 {
-    UINT            uByteIdx;
+    unsigned int            uByteIdx;
     BYTE            byBitMask;
     BYTE            pbyData[2];
 
@@ -110,7 +110,7 @@ void MACvSetMultiAddrByHash (PSDevice pDevice, BYTE byHashIdx)
  * Return Value: none
  *
  */
-void MACvWriteMultiAddr(PSDevice pDevice, UINT uByteIdx, BYTE byData)
+void MACvWriteMultiAddr(PSDevice pDevice, unsigned int uByteIdx, BYTE byData)
 {
     BYTE            byData1;
 
@@ -199,7 +199,7 @@ BYTE    pbyData[4];
  * Return Value: none
  *
  */
-void MACvDisableKeyEntry (PSDevice pDevice, UINT uEntryIdx)
+void MACvDisableKeyEntry(PSDevice pDevice, unsigned int uEntryIdx)
 {
 WORD    wOffset;
 BYTE            byData;
@@ -239,7 +239,9 @@ BYTE            byData;
  * Return Value: none
  *
  */
-void MACvSetKeyEntry (PSDevice pDevice, WORD wKeyCtl, UINT uEntryIdx, UINT uKeyIdx, PBYTE pbyAddr, PDWORD pdwKey)
+void MACvSetKeyEntry(PSDevice pDevice, WORD wKeyCtl,
+		     unsigned int uEntryIdx, unsigned int uKeyIdx,
+		     PBYTE pbyAddr, PDWORD pdwKey)
 {
 PBYTE           pbyKey;
 WORD            wOffset;
@@ -247,10 +249,6 @@ DWORD           dwData1,dwData2;
 int             ii;
 BYTE            pbyData[24];
 
-
-
-
-
     if ( pDevice->byLocalID <= MAC_REVISION_A1 ) {
         if ( pDevice->sMgmtObj.byCSSPK == KEY_CTL_CCMP )
             return;
diff --git a/drivers/staging/vt6656/mac.h b/drivers/staging/vt6656/mac.h
index 4e3d11b4a8b..775c70928ec 100644
--- a/drivers/staging/vt6656/mac.h
+++ b/drivers/staging/vt6656/mac.h
@@ -421,12 +421,13 @@
 /*---------------------  Export Functions  --------------------------*/
 
 void MACvSetMultiAddrByHash (PSDevice pDevice, BYTE byHashIdx);
-void MACvWriteMultiAddr(PSDevice pDevice, UINT uByteIdx, BYTE byData);
+void MACvWriteMultiAddr(PSDevice pDevice, unsigned int uByteIdx, BYTE byData);
 BOOL MACbShutdown(PSDevice pDevice);;
 void MACvSetBBType(PSDevice pDevice,BYTE byType);
 void MACvSetMISCFifo (PSDevice pDevice, WORD wOffset, DWORD dwData);
-void MACvDisableKeyEntry(PSDevice pDevice, UINT uEntryIdx);
-void MACvSetKeyEntry(PSDevice pDevice, WORD wKeyCtl, UINT uEntryIdx, UINT uKeyIdx, PBYTE pbyAddr, PDWORD pdwKey);
+void MACvDisableKeyEntry(PSDevice pDevice, unsigned int uEntryIdx);
+void MACvSetKeyEntry(PSDevice pDevice, WORD wKeyCtl, unsigned int uEntryIdx,
+		     unsigned int uKeyIdx, PBYTE pbyAddr, PDWORD pdwKey);
 
 void MACvRegBitsOff(PSDevice pDevice, BYTE byRegOfs, BYTE byBits);
 void MACvRegBitsOn(PSDevice pDevice, BYTE byRegOfs, BYTE byBits);
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index e4dc27dd21e..4e465c46528 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -277,8 +277,10 @@ static void device_free_frag_bufs(PSDevice pDevice);
 static BOOL device_alloc_bufs(PSDevice pDevice);
 
 static int Read_config_file(PSDevice pDevice);
-static UCHAR *Config_FileOperation(PSDevice pDevice);
-static int Config_FileGetParameter(UCHAR *string, UCHAR *dest,UCHAR *source);
+static unsigned char *Config_FileOperation(PSDevice pDevice);
+static int Config_FileGetParameter(unsigned char *string,
+				   unsigned char *dest,
+				   unsigned char *source);
 
 //2008-0714<Add>by Mike Liu
 static BOOL device_release_WPADEV(PSDevice pDevice);
@@ -334,17 +336,17 @@ device_set_options(PSDevice pDevice) {
 static void device_init_diversity_timer(PSDevice pDevice)
 {
     init_timer(&pDevice->TimerSQ3Tmax1);
-    pDevice->TimerSQ3Tmax1.data = (ULONG)pDevice;
+    pDevice->TimerSQ3Tmax1.data = (unsigned long)pDevice;
     pDevice->TimerSQ3Tmax1.function = (TimerFunction)TimerSQ3CallBack;
     pDevice->TimerSQ3Tmax1.expires = RUN_AT(HZ);
 
     init_timer(&pDevice->TimerSQ3Tmax2);
-    pDevice->TimerSQ3Tmax2.data = (ULONG)pDevice;
+    pDevice->TimerSQ3Tmax2.data = (unsigned long)pDevice;
     pDevice->TimerSQ3Tmax2.function = (TimerFunction)TimerSQ3CallBack;
     pDevice->TimerSQ3Tmax2.expires = RUN_AT(HZ);
 
     init_timer(&pDevice->TimerSQ3Tmax3);
-    pDevice->TimerSQ3Tmax3.data = (ULONG)pDevice;
+    pDevice->TimerSQ3Tmax3.data = (unsigned long)pDevice;
     pDevice->TimerSQ3Tmax3.function = (TimerFunction)TimerSQ3Tmax3CallBack;
     pDevice->TimerSQ3Tmax3.expires = RUN_AT(HZ);
 
@@ -362,7 +364,7 @@ static BOOL device_init_registers(PSDevice pDevice, DEVICE_INIT_TYPE InitType)
     u8 abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
     u8 abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
     BYTE            byAntenna;
-    UINT            ii;
+    unsigned int            ii;
     CMD_CARD_INIT   sInitCmd;
     NTSTATUS        ntStatus = STATUS_SUCCESS;
     RSP_CARD_INIT   sInitRsp;
@@ -1336,7 +1338,7 @@ device_release_WPADEV(pDevice);
 static int device_dma0_tx_80211(struct sk_buff *skb, struct net_device *dev) {
     PSDevice        pDevice=netdev_priv(dev);
     PBYTE           pbMPDU;
-    UINT            cbMPDULen = 0;
+    unsigned int            cbMPDULen = 0;
 
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_dma0_tx_80211\n");
@@ -1411,24 +1413,27 @@ static inline u32 ether_crc(int length, unsigned char *data)
 }
 
 //find out  the start  position of str2 from str1
-static UCHAR *kstrstr(const UCHAR *str1,const UCHAR *str2) {
-  int str1_len=strlen(str1);
-  int str2_len=strlen(str2);
+static unsigned char *kstrstr(const unsigned char *str1,
+			      const unsigned char *str2) {
+  int str1_len = strlen(str1);
+  int str2_len = strlen(str2);
 
   while (str1_len >= str2_len) {
        str1_len--;
       if(memcmp(str1,str2,str2_len)==0)
-         return (UCHAR *)str1;
+	return (unsigned char *) str1;
         str1++;
   }
   return NULL;
 }
 
-static int Config_FileGetParameter(UCHAR *string, UCHAR *dest,UCHAR *source)
+static int Config_FileGetParameter(unsigned char *string,
+				   unsigned char *dest,
+				   unsigned char *source)
 {
-  UCHAR buf1[100];
-  UCHAR buf2[100];
-  UCHAR *start_p=NULL,*end_p=NULL,*tmp_p=NULL;
+  unsigned char buf1[100];
+  unsigned char buf2[100];
+  unsigned char *start_p = NULL, *end_p = NULL, *tmp_p = NULL;
   int ii;
 
     memset(buf1,0,100);
@@ -1480,13 +1485,14 @@ for(ii=1;;ii++) {
 }
 
 //if read fail,return NULL,or return data pointer;
-static UCHAR *Config_FileOperation(PSDevice pDevice) {
-    UCHAR    *config_path=CONFIG_PATH;
-    UCHAR    *buffer=NULL;
+static unsigned char *Config_FileOperation(PSDevice pDevice)
+{
+    unsigned char *config_path = CONFIG_PATH;
+    unsigned char *buffer = NULL;
     struct file   *filp=NULL;
     mm_segment_t old_fs = get_fs();
     //int oldfsuid=0,oldfsgid=0;
-    int result=0;
+    int result = 0;
 
     set_fs (KERNEL_DS);
     /* Can't do this anymore, so we rely on correct filesystem permissions:
@@ -1545,9 +1551,9 @@ if(result!=0) {
 
 //return --->-1:fail;  >=0:successful
 static int Read_config_file(PSDevice pDevice) {
-  int result=0;
-  UCHAR      tmpbuffer[100];
-  UCHAR *buffer=NULL;
+  int result = 0;
+  unsigned char tmpbuffer[100];
+  unsigned char *buffer = NULL;
 
   //init config setting
  pDevice->config_file.ZoneType = -1;
diff --git a/drivers/staging/vt6656/mib.c b/drivers/staging/vt6656/mib.c
index efcd81c042f..b694fc86d74 100644
--- a/drivers/staging/vt6656/mib.c
+++ b/drivers/staging/vt6656/mib.c
@@ -152,9 +152,10 @@ void STAvUpdateIsrStatCounter (PSStatCounter pStatistic, BYTE byIsr0, BYTE byIsr
  * Return Value: none
  *
  */
-void STAvUpdateRDStatCounter (PSStatCounter pStatistic,
-                              BYTE byRSR, BYTE byNewRSR, BYTE byRxSts, BYTE byRxRate,
-                              PBYTE pbyBuffer, UINT cbFrameLength)
+void STAvUpdateRDStatCounter(PSStatCounter pStatistic,
+			     BYTE byRSR, BYTE byNewRSR,
+			     BYTE byRxSts, BYTE byRxRate,
+			     PBYTE pbyBuffer, unsigned int cbFrameLength)
 {
 	/* need change */
 	PS802_11Header pHeader = (PS802_11Header)pbyBuffer;
@@ -169,15 +170,18 @@ void STAvUpdateRDStatCounter (PSStatCounter pStatistic,
 			/* update counters in case of successful transmission */
             if (byRSR & RSR_ADDRBROAD) {
                 pStatistic->ullRxBroadcastFrames++;
-                pStatistic->ullRxBroadcastBytes += (ULONGLONG)cbFrameLength;
+		pStatistic->ullRxBroadcastBytes +=
+		  (unsigned long long) cbFrameLength;
             }
             else if (byRSR & RSR_ADDRMULTI) {
                 pStatistic->ullRxMulticastFrames++;
-                pStatistic->ullRxMulticastBytes += (ULONGLONG)cbFrameLength;
+		pStatistic->ullRxMulticastBytes +=
+		  (unsigned long long) cbFrameLength;
             }
             else {
                 pStatistic->ullRxDirectedFrames++;
-                pStatistic->ullRxDirectedBytes += (ULONGLONG)cbFrameLength;
+		pStatistic->ullRxDirectedBytes +=
+		  (unsigned long long) cbFrameLength;
             }
         }
     }
@@ -396,7 +400,7 @@ STAvUpdateRDStatCounterEx (
     BYTE            byRxSts,
     BYTE            byRxRate,
     PBYTE           pbyBuffer,
-    UINT            cbFrameLength
+    unsigned int            cbFrameLength
     )
 {
     STAvUpdateRDStatCounter(
@@ -536,19 +540,22 @@ STAvUpdate802_11Counter(
     )
 {
     //p802_11Counter->TransmittedFragmentCount
-    p802_11Counter->MulticastTransmittedFrameCount = (ULONGLONG) (pStatistic->dwTsrBroadcast +
-                                                                  pStatistic->dwTsrMulticast);
-    p802_11Counter->FailedCount = (ULONGLONG) (pStatistic->dwTsrErr);
-    p802_11Counter->RetryCount = (ULONGLONG) (pStatistic->dwTsrRetry);
-    p802_11Counter->MultipleRetryCount = (ULONGLONG) (pStatistic->dwTsrMoreThanOnceRetry);
+    p802_11Counter->MulticastTransmittedFrameCount =
+      (unsigned long long) (pStatistic->dwTsrBroadcast +
+			    pStatistic->dwTsrMulticast);
+    p802_11Counter->FailedCount = (unsigned long long) (pStatistic->dwTsrErr);
+    p802_11Counter->RetryCount = (unsigned long long) (pStatistic->dwTsrRetry);
+    p802_11Counter->MultipleRetryCount =
+      (unsigned long long) (pStatistic->dwTsrMoreThanOnceRetry);
     //p802_11Counter->FrameDuplicateCount
-    p802_11Counter->RTSSuccessCount += (ULONGLONG) byRTSSuccess;
-    p802_11Counter->RTSFailureCount += (ULONGLONG) byRTSFail;
-    p802_11Counter->ACKFailureCount += (ULONGLONG) byACKFail;
-    p802_11Counter->FCSErrorCount +=   (ULONGLONG) byFCSErr;
+    p802_11Counter->RTSSuccessCount += (unsigned long long) byRTSSuccess;
+    p802_11Counter->RTSFailureCount += (unsigned long long) byRTSFail;
+    p802_11Counter->ACKFailureCount += (unsigned long long) byACKFail;
+    p802_11Counter->FCSErrorCount +=   (unsigned long long) byFCSErr;
     //p802_11Counter->ReceivedFragmentCount
-    p802_11Counter->MulticastReceivedFrameCount = (ULONGLONG) (pStatistic->dwRsrBroadcast +
-                                                               pStatistic->dwRsrMulticast);
+    p802_11Counter->MulticastReceivedFrameCount =
+      (unsigned long long) (pStatistic->dwRsrBroadcast +
+			    pStatistic->dwRsrMulticast);
 }
 
 /*
diff --git a/drivers/staging/vt6656/mib.h b/drivers/staging/vt6656/mib.h
index 8cc5b3f0d70..0455ec9d327 100644
--- a/drivers/staging/vt6656/mib.h
+++ b/drivers/staging/vt6656/mib.h
@@ -52,32 +52,34 @@ typedef struct tagSUSBCounter {
 
 
 typedef struct tagSDot11Counters {
-//    ULONG       Length;             // Length of structure
-    ULONGLONG   TransmittedFragmentCount;
-    ULONGLONG   MulticastTransmittedFrameCount;
-    ULONGLONG   FailedCount;
-    ULONGLONG   RetryCount;
-    ULONGLONG   MultipleRetryCount;
-    ULONGLONG   RTSSuccessCount;
-    ULONGLONG   RTSFailureCount;
-    ULONGLONG   ACKFailureCount;
-    ULONGLONG   FrameDuplicateCount;
-    ULONGLONG   ReceivedFragmentCount;
-    ULONGLONG   MulticastReceivedFrameCount;
-    ULONGLONG   FCSErrorCount;
-    ULONGLONG   TKIPLocalMICFailures;
-    ULONGLONG   TKIPRemoteMICFailures;
-    ULONGLONG   TKIPICVErrors;
-    ULONGLONG   TKIPCounterMeasuresInvoked;
-    ULONGLONG   TKIPReplays;
-    ULONGLONG   CCMPFormatErrors;
-    ULONGLONG   CCMPReplays;
-    ULONGLONG   CCMPDecryptErrors;
-    ULONGLONG   FourWayHandshakeFailures;
-//    ULONGLONG   WEPUndecryptableCount;
-//    ULONGLONG   WEPICVErrorCount;
-//    ULONGLONG   DecryptSuccessCount;
-//    ULONGLONG   DecryptFailureCount;
+  /* unsigned long Length; // Length of structure */
+    unsigned long long   TransmittedFragmentCount;
+    unsigned long long   MulticastTransmittedFrameCount;
+    unsigned long long   FailedCount;
+    unsigned long long   RetryCount;
+    unsigned long long   MultipleRetryCount;
+    unsigned long long   RTSSuccessCount;
+    unsigned long long   RTSFailureCount;
+    unsigned long long   ACKFailureCount;
+    unsigned long long   FrameDuplicateCount;
+    unsigned long long   ReceivedFragmentCount;
+    unsigned long long   MulticastReceivedFrameCount;
+    unsigned long long   FCSErrorCount;
+    unsigned long long   TKIPLocalMICFailures;
+    unsigned long long   TKIPRemoteMICFailures;
+    unsigned long long   TKIPICVErrors;
+    unsigned long long   TKIPCounterMeasuresInvoked;
+    unsigned long long   TKIPReplays;
+    unsigned long long   CCMPFormatErrors;
+    unsigned long long   CCMPReplays;
+    unsigned long long   CCMPDecryptErrors;
+    unsigned long long   FourWayHandshakeFailures;
+  /*
+   * unsigned long long   WEPUndecryptableCount;
+   * unsigned long long   WEPICVErrorCount;
+   * unsigned long long   DecryptSuccessCount;
+   * unsigned long long   DecryptFailureCount;
+   */
 } SDot11Counters, *PSDot11Counters;
 
 
@@ -151,37 +153,37 @@ typedef struct tagSRmonCounter {
 // Custom counter
 //
 typedef struct tagSCustomCounters {
-    ULONG       Length;
+    unsigned long       Length;
 
-    ULONGLONG   ullTsrAllOK;
+    unsigned long long   ullTsrAllOK;
 
-    ULONGLONG   ullRsr11M;
-    ULONGLONG   ullRsr5M;
-    ULONGLONG   ullRsr2M;
-    ULONGLONG   ullRsr1M;
+    unsigned long long   ullRsr11M;
+    unsigned long long   ullRsr5M;
+    unsigned long long   ullRsr2M;
+    unsigned long long   ullRsr1M;
 
-    ULONGLONG   ullRsr11MCRCOk;
-    ULONGLONG   ullRsr5MCRCOk;
-    ULONGLONG   ullRsr2MCRCOk;
-    ULONGLONG   ullRsr1MCRCOk;
+    unsigned long long   ullRsr11MCRCOk;
+    unsigned long long   ullRsr5MCRCOk;
+    unsigned long long   ullRsr2MCRCOk;
+    unsigned long long   ullRsr1MCRCOk;
 
-    ULONGLONG   ullRsr54M;
-    ULONGLONG   ullRsr48M;
-    ULONGLONG   ullRsr36M;
-    ULONGLONG   ullRsr24M;
-    ULONGLONG   ullRsr18M;
-    ULONGLONG   ullRsr12M;
-    ULONGLONG   ullRsr9M;
-    ULONGLONG   ullRsr6M;
+    unsigned long long   ullRsr54M;
+    unsigned long long   ullRsr48M;
+    unsigned long long   ullRsr36M;
+    unsigned long long   ullRsr24M;
+    unsigned long long   ullRsr18M;
+    unsigned long long   ullRsr12M;
+    unsigned long long   ullRsr9M;
+    unsigned long long   ullRsr6M;
 
-    ULONGLONG   ullRsr54MCRCOk;
-    ULONGLONG   ullRsr48MCRCOk;
-    ULONGLONG   ullRsr36MCRCOk;
-    ULONGLONG   ullRsr24MCRCOk;
-    ULONGLONG   ullRsr18MCRCOk;
-    ULONGLONG   ullRsr12MCRCOk;
-    ULONGLONG   ullRsr9MCRCOk;
-    ULONGLONG   ullRsr6MCRCOk;
+    unsigned long long   ullRsr54MCRCOk;
+    unsigned long long   ullRsr48MCRCOk;
+    unsigned long long   ullRsr36MCRCOk;
+    unsigned long long   ullRsr24MCRCOk;
+    unsigned long long   ullRsr18MCRCOk;
+    unsigned long long   ullRsr12MCRCOk;
+    unsigned long long   ullRsr9MCRCOk;
+    unsigned long long   ullRsr6MCRCOk;
 
 } SCustomCounters, *PSCustomCounters;
 
@@ -190,7 +192,7 @@ typedef struct tagSCustomCounters {
 // Custom counter
 //
 typedef struct tagSISRCounters {
-    ULONG   Length;
+    unsigned long   Length;
 
     DWORD   dwIsrTx0OK;
     DWORD   dwIsrAC0TxOK;
@@ -277,15 +279,15 @@ typedef struct tagSStatCounter {
     DWORD   dwRsrMulticast;
     DWORD   dwRsrDirected;
     // 64-bit OID
-    ULONGLONG   ullRsrOK;
+    unsigned long long   ullRsrOK;
 
     // for some optional OIDs (64 bits) and DMI support
-    ULONGLONG   ullRxBroadcastBytes;
-    ULONGLONG   ullRxMulticastBytes;
-    ULONGLONG   ullRxDirectedBytes;
-    ULONGLONG   ullRxBroadcastFrames;
-    ULONGLONG   ullRxMulticastFrames;
-    ULONGLONG   ullRxDirectedFrames;
+    unsigned long long   ullRxBroadcastBytes;
+    unsigned long long   ullRxMulticastBytes;
+    unsigned long long   ullRxDirectedBytes;
+    unsigned long long   ullRxBroadcastFrames;
+    unsigned long long   ullRxMulticastFrames;
+    unsigned long long   ullRxDirectedFrames;
 
     DWORD   dwRsrRxFragment;
     DWORD   dwRsrRxFrmLen64;
@@ -330,15 +332,15 @@ typedef struct tagSStatCounter {
 
 
     // 64-bit OID
-    ULONGLONG   ullTsrOK;
+    unsigned long long   ullTsrOK;
 
     // for some optional OIDs (64 bits) and DMI support
-    ULONGLONG   ullTxBroadcastFrames;
-    ULONGLONG   ullTxMulticastFrames;
-    ULONGLONG   ullTxDirectedFrames;
-    ULONGLONG   ullTxBroadcastBytes;
-    ULONGLONG   ullTxMulticastBytes;
-    ULONGLONG   ullTxDirectedBytes;
+    unsigned long long   ullTxBroadcastFrames;
+    unsigned long long   ullTxMulticastFrames;
+    unsigned long long   ullTxDirectedFrames;
+    unsigned long long   ullTxBroadcastBytes;
+    unsigned long long   ullTxMulticastBytes;
+    unsigned long long   ullTxDirectedBytes;
 
     // for autorate
     DWORD   dwTxOk[MAX_RATE+1];
@@ -356,15 +358,15 @@ typedef struct tagSStatCounter {
 
    #ifdef Calcu_LinkQual
        //Tx count:
-    ULONG TxNoRetryOkCount;         //success tx no retry !
-    ULONG TxRetryOkCount;              //success tx but retry !
-    ULONG TxFailCount;                      //fail tx ?
+  unsigned long TxNoRetryOkCount;         /* success tx no retry ! */
+  unsigned long TxRetryOkCount;           /* success tx but retry ! */
+  unsigned long TxFailCount;              /* fail tx ? */
       //Rx count:
-    ULONG RxOkCnt;                          //success rx !
-    ULONG RxFcsErrCnt;                    //fail rx ?
+  unsigned long RxOkCnt;                  /* success rx ! */
+  unsigned long RxFcsErrCnt;              /* fail rx ? */
       //statistic
-    ULONG SignalStren;
-    ULONG LinkQuality;
+    unsigned long SignalStren;
+    unsigned long LinkQuality;
    #endif
 
 } SStatCounter, *PSStatCounter;
@@ -382,13 +384,14 @@ void STAvClearAllCounter(PSStatCounter pStatistic);
 void STAvUpdateIsrStatCounter (PSStatCounter pStatistic, BYTE byIsr0, BYTE byIsr1);
 
 void STAvUpdateRDStatCounter(PSStatCounter pStatistic,
-                              BYTE byRSR, BYTE byNewRSR, BYTE byRxSts, BYTE byRxRate,
-                              PBYTE pbyBuffer, UINT cbFrameLength);
+			     BYTE byRSR, BYTE byNewRSR, BYTE byRxSts,
+			     BYTE byRxRate, PBYTE pbyBuffer,
+			     unsigned int cbFrameLength);
 
 void STAvUpdateRDStatCounterEx(PSStatCounter pStatistic,
-                              BYTE byRSR, BYTE byNewRSR, BYTE byRxSts, BYTE byRxRate,
-                              PBYTE pbyBuffer, UINT cbFrameLength);
-
+			       BYTE byRSR, BYTE byNewRSR, BYTE byRxSts,
+			       BYTE byRxRate, PBYTE pbyBuffer,
+			       unsigned int cbFrameLength);
 
 void
 STAvUpdateTDStatCounter (
diff --git a/drivers/staging/vt6656/michael.c b/drivers/staging/vt6656/michael.c
index d45333fc242..671a8cf33e2 100644
--- a/drivers/staging/vt6656/michael.c
+++ b/drivers/staging/vt6656/michael.c
@@ -64,7 +64,7 @@ static void s_vAppendByte(BYTE b);	/* Add a single byte to the internal
 static DWORD  L, R;		/* Current state */
 static DWORD  K0, K1;		/* Key */
 static DWORD  M;		/* Message accumulator (single word) */
-static UINT   nBytesInM;	/* # bytes in M */
+static unsigned int   nBytesInM;	/* # bytes in M */
 
 /*---------------------  Export Functions  --------------------------*/
 
@@ -73,7 +73,7 @@ static DWORD s_dwGetUINT32 (BYTE * p)
 // Convert from BYTE[] to DWORD in a portable way
 {
 	DWORD res = 0;
-	UINT i;
+	unsigned int i;
 	for(i=0; i<4; i++ )
 		res |= (*p++) << (8*i);
 	return res;
@@ -82,7 +82,7 @@ static DWORD s_dwGetUINT32 (BYTE * p)
 static void s_vPutUINT32(BYTE *p, DWORD val)
 // Convert from DWORD to BYTE[] in a portable way
 {
-	UINT i;
+	unsigned int i;
 	for(i=0; i<4; i++ ) {
 		*p++ = (BYTE) (val & 0xff);
 		val >>= 8;
@@ -148,7 +148,7 @@ void MIC_vUnInit(void)
 	s_vClear();
 }
 
-void MIC_vAppend(PBYTE src, UINT nBytes)
+void MIC_vAppend(PBYTE src, unsigned int nBytes)
 {
     /* This is simple */
 	while (nBytes > 0) {
diff --git a/drivers/staging/vt6656/michael.h b/drivers/staging/vt6656/michael.h
index 52270d314a8..3ab60928ef3 100644
--- a/drivers/staging/vt6656/michael.h
+++ b/drivers/staging/vt6656/michael.h
@@ -40,7 +40,7 @@ void MIC_vInit(DWORD dwK0, DWORD dwK1);
 void MIC_vUnInit(void);
 
 // Append bytes to the message to be MICed
-void MIC_vAppend(PBYTE src, UINT nBytes);
+void MIC_vAppend(PBYTE src, unsigned int nBytes);
 
 // Get the MIC result. Destination should accept 8 bytes of result.
 // This also resets the message to empty.
diff --git a/drivers/staging/vt6656/rc4.c b/drivers/staging/vt6656/rc4.c
index 487f1dcfd8c..5c3c2d0552b 100644
--- a/drivers/staging/vt6656/rc4.c
+++ b/drivers/staging/vt6656/rc4.c
@@ -32,13 +32,13 @@
 
 #include "rc4.h"
 
-void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len)
+void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, unsigned int cbKey_len)
 {
-	UINT  ust1, ust2;
-	UINT  keyindex;
-	UINT  stateindex;
+	unsigned int  ust1, ust2;
+	unsigned int  keyindex;
+	unsigned int  stateindex;
 	PBYTE pbyst;
-	UINT  idx;
+	unsigned int  idx;
 
 	pbyst = pRC4->abystate;
 	pRC4->ux = 0;
@@ -58,11 +58,11 @@ void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len)
 	}
 }
 
-UINT rc4_byte(PRC4Ext pRC4)
+unsigned int rc4_byte(PRC4Ext pRC4)
 {
-	UINT ux;
-	UINT uy;
-	UINT ustx, usty;
+	unsigned int ux;
+	unsigned int uy;
+	unsigned int ustx, usty;
 	PBYTE pbyst;
 
 	pbyst = pRC4->abystate;
@@ -79,9 +79,9 @@ UINT rc4_byte(PRC4Ext pRC4)
 }
 
 void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest,
-			PBYTE pbySrc, UINT cbData_len)
+			PBYTE pbySrc, unsigned int cbData_len)
 {
-	UINT ii;
+	unsigned int ii;
 	for (ii = 0; ii < cbData_len; ii++)
 		pbyDest[ii] = (BYTE)(pbySrc[ii] ^ rc4_byte(pRC4));
 }
diff --git a/drivers/staging/vt6656/rc4.h b/drivers/staging/vt6656/rc4.h
index 9cd1db9276b..d447879c8f9 100644
--- a/drivers/staging/vt6656/rc4.h
+++ b/drivers/staging/vt6656/rc4.h
@@ -35,13 +35,14 @@
 /*---------------------  Export Definitions -------------------------*/
 /*---------------------  Export Types  ------------------------------*/
 typedef struct {
-    UINT ux;
-    UINT uy;
+    unsigned int ux;
+    unsigned int uy;
     BYTE abystate[256];
 } RC4Ext, *PRC4Ext;
 
-void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, UINT cbKey_len);
-UINT rc4_byte(PRC4Ext pRC4);
-void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest, PBYTE pbySrc, UINT cbData_len);
+void rc4_init(PRC4Ext pRC4, PBYTE pbyKey, unsigned int cbKey_len);
+unsigned int rc4_byte(PRC4Ext pRC4);
+void rc4_encrypt(PRC4Ext pRC4, PBYTE pbyDest, PBYTE pbySrc,
+		 unsigned int cbData_len);
 
 #endif /* __RC4_H__ */
diff --git a/drivers/staging/vt6656/rf.c b/drivers/staging/vt6656/rf.c
index 4c4f5f6dc36..3fd0478a9a5 100644
--- a/drivers/staging/vt6656/rf.c
+++ b/drivers/staging/vt6656/rf.c
@@ -758,8 +758,8 @@ BOOL IFRFbWriteEmbeded (PSDevice pDevice, DWORD dwData)
  */
 BOOL RFbSetPower (
       PSDevice  pDevice,
-      UINT      uRATE,
-      UINT      uCH
+      unsigned int      uRATE,
+      unsigned int      uCH
     )
 {
 BOOL    bResult = TRUE;
@@ -813,7 +813,7 @@ BYTE    byPwr = pDevice->byCCKPwr;
 BOOL RFbRawSetPower (
       PSDevice  pDevice,
       BYTE      byPwr,
-      UINT      uRATE
+      unsigned int      uRATE
     )
 {
 BOOL        bResult = TRUE;
diff --git a/drivers/staging/vt6656/rf.h b/drivers/staging/vt6656/rf.h
index 7423d4daba0..d4f8b94132b 100644
--- a/drivers/staging/vt6656/rf.h
+++ b/drivers/staging/vt6656/rf.h
@@ -66,14 +66,14 @@ extern const BYTE RFaby11aChannelIndex[200];
 BOOL IFRFbWriteEmbeded(PSDevice pDevice, DWORD dwData);
 BOOL RFbSetPower (
       PSDevice  pDevice,
-      UINT      uRATE,
-      UINT      uCH
+      unsigned int      uRATE,
+      unsigned int      uCH
     );
 
 BOOL RFbRawSetPower(
       PSDevice  pDevice,
       BYTE      byPwr,
-      UINT      uRATE
+      unsigned int      uRATE
     );
 
 void
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index bfc786059ad..6a4b87f0954 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -139,26 +139,24 @@ s_vGenerateTxParameter(
      void *pvRrvTime,
      void *pvRTS,
      void *pvCTS,
-     UINT             cbFrameSize,
+     unsigned int             cbFrameSize,
      BOOL             bNeedACK,
-     UINT             uDMAIdx,
+     unsigned int             uDMAIdx,
      PSEthernetHeader psEthHeader
     );
 
 
-static
-UINT
-s_uFillDataHead (
+static unsigned int s_uFillDataHead(
      PSDevice pDevice,
      BYTE     byPktType,
      WORD     wCurrentRate,
      void *pTxDataHead,
-     UINT     cbFrameLength,
-     UINT     uDMAIdx,
+     unsigned int     cbFrameLength,
+     unsigned int     uDMAIdx,
      BOOL     bNeedAck,
-     UINT     uFragIdx,
-     UINT     cbLastFragmentSize,
-     UINT     uMACfragNum,
+     unsigned int     uFragIdx,
+     unsigned int     cbLastFragmentSize,
+     unsigned int     uMACfragNum,
      BYTE     byFBOption
     );
 
@@ -174,8 +172,8 @@ s_vGenerateMACHeader (
      PSEthernetHeader psEthHeader,
      BOOL             bNeedEncrypt,
      WORD             wFragType,
-     UINT             uDMAIdx,
-     UINT             uFragIdx
+     unsigned int             uDMAIdx,
+     unsigned int             uFragIdx
     );
 
 static
@@ -199,24 +197,20 @@ s_vSWencryption (
       WORD             wPayloadSize
     );
 
-static
-UINT
-s_uGetTxRsvTime (
+static unsigned int s_uGetTxRsvTime(
      PSDevice pDevice,
      BYTE     byPktType,
-     UINT     cbFrameLength,
+     unsigned int     cbFrameLength,
      WORD     wRate,
      BOOL     bNeedAck
     );
 
 
-static
-UINT
-s_uGetRTSCTSRsvTime (
+static unsigned int s_uGetRTSCTSRsvTime(
      PSDevice pDevice,
      BYTE byRTSRsvType,
      BYTE byPktType,
-     UINT cbFrameLength,
+     unsigned int cbFrameLength,
      WORD wCurrentRate
     );
 
@@ -224,10 +218,10 @@ static
 void
 s_vFillCTSHead (
      PSDevice pDevice,
-     UINT     uDMAIdx,
+     unsigned int     uDMAIdx,
      BYTE     byPktType,
      void *pvCTS,
-     UINT     cbFrameLength,
+     unsigned int     cbFrameLength,
      BOOL     bNeedAck,
      BOOL     bDisCRC,
      WORD     wCurrentRate,
@@ -240,7 +234,7 @@ s_vFillRTSHead(
      PSDevice         pDevice,
      BYTE             byPktType,
      void *pvRTS,
-     UINT             cbFrameLength,
+     unsigned int             cbFrameLength,
      BOOL             bNeedAck,
      BOOL             bDisCRC,
      PSEthernetHeader psEthHeader,
@@ -248,28 +242,26 @@ s_vFillRTSHead(
      BYTE             byFBOption
     );
 
-static
-UINT
-s_uGetDataDuration (
+static unsigned int s_uGetDataDuration(
      PSDevice pDevice,
      BYTE     byDurType,
-     UINT     cbFrameLength,
+     unsigned int     cbFrameLength,
      BYTE     byPktType,
      WORD     wRate,
      BOOL     bNeedAck,
-     UINT     uFragIdx,
-     UINT     cbLastFragmentSize,
-     UINT     uMACfragNum,
+     unsigned int     uFragIdx,
+     unsigned int     cbLastFragmentSize,
+     unsigned int     uMACfragNum,
      BYTE     byFBOption
     );
 
 
 static
-UINT
+unsigned int
 s_uGetRTSCTSDuration (
      PSDevice pDevice,
      BYTE byDurType,
-     UINT cbFrameLength,
+     unsigned int cbFrameLength,
      BYTE byPktType,
      WORD wRate,
      BOOL bNeedAck,
@@ -287,7 +279,7 @@ s_vGetFreeContext(
 {
     PUSB_SEND_CONTEXT   pContext = NULL;
     PUSB_SEND_CONTEXT   pReturnContext = NULL;
-    UINT                ii;
+    unsigned int                ii;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n");
 
@@ -456,7 +448,7 @@ s_vSWencryption (
       WORD                wPayloadSize
     )
 {
-    UINT   cbICVlen = 4;
+    unsigned int   cbICVlen = 4;
     DWORD  dwICV = 0xFFFFFFFFL;
     PDWORD pdwICV;
 
@@ -497,16 +489,16 @@ s_vSWencryption (
              PK_TYPE_11GA    3
 */
 static
-UINT
+unsigned int
 s_uGetTxRsvTime (
      PSDevice pDevice,
      BYTE     byPktType,
-     UINT     cbFrameLength,
+     unsigned int     cbFrameLength,
      WORD     wRate,
      BOOL     bNeedAck
     )
 {
-    UINT uDataTime, uAckTime;
+    unsigned int uDataTime, uAckTime;
 
     uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wRate);
     if (byPktType == PK_TYPE_11B) {//llb,CCK mode
@@ -525,16 +517,16 @@ s_uGetTxRsvTime (
 
 //byFreqType: 0=>5GHZ 1=>2.4GHZ
 static
-UINT
+unsigned int
 s_uGetRTSCTSRsvTime (
      PSDevice pDevice,
      BYTE byRTSRsvType,
      BYTE byPktType,
-     UINT cbFrameLength,
+     unsigned int cbFrameLength,
      WORD wCurrentRate
     )
 {
-    UINT uRrvTime  , uRTSTime, uCTSTime, uAckTime, uDataTime;
+    unsigned int uRrvTime  , uRTSTime, uCTSTime, uAckTime, uDataTime;
 
     uRrvTime = uRTSTime = uCTSTime = uAckTime = uDataTime = 0;
 
@@ -567,23 +559,22 @@ s_uGetRTSCTSRsvTime (
 
 //byFreqType 0: 5GHz, 1:2.4Ghz
 static
-UINT
+unsigned int
 s_uGetDataDuration (
      PSDevice pDevice,
      BYTE     byDurType,
-     UINT     cbFrameLength,
+     unsigned int     cbFrameLength,
      BYTE     byPktType,
      WORD     wRate,
      BOOL     bNeedAck,
-     UINT     uFragIdx,
-     UINT     cbLastFragmentSize,
-     UINT     uMACfragNum,
+     unsigned int     uFragIdx,
+     unsigned int     cbLastFragmentSize,
+     unsigned int     uMACfragNum,
      BYTE     byFBOption
     )
 {
     BOOL bLastFrag = 0;
-    UINT uAckTime =0, uNextPktTime = 0;
-
+    unsigned int uAckTime = 0, uNextPktTime = 0;
 
     if (uFragIdx == (uMACfragNum-1)) {
         bLastFrag = 1;
@@ -737,18 +728,18 @@ s_uGetDataDuration (
 
 //byFreqType: 0=>5GHZ 1=>2.4GHZ
 static
-UINT
+unsigned int
 s_uGetRTSCTSDuration (
      PSDevice pDevice,
      BYTE byDurType,
-     UINT cbFrameLength,
+     unsigned int cbFrameLength,
      BYTE byPktType,
      WORD wRate,
      BOOL bNeedAck,
      BYTE byFBOption
     )
 {
-    UINT uCTSTime = 0, uDurTime = 0;
+    unsigned int uCTSTime = 0, uDurTime = 0;
 
 
     switch (byDurType) {
@@ -836,18 +827,18 @@ s_uGetRTSCTSDuration (
 
 
 static
-UINT
+unsigned int
 s_uFillDataHead (
      PSDevice pDevice,
      BYTE     byPktType,
      WORD     wCurrentRate,
      void *pTxDataHead,
-     UINT     cbFrameLength,
-     UINT     uDMAIdx,
+     unsigned int     cbFrameLength,
+     unsigned int     uDMAIdx,
      BOOL     bNeedAck,
-     UINT     uFragIdx,
-     UINT     cbLastFragmentSize,
-     UINT     uMACfragNum,
+     unsigned int     uFragIdx,
+     unsigned int     cbLastFragmentSize,
+     unsigned int     uMACfragNum,
      BYTE     byFBOption
     )
 {
@@ -986,7 +977,7 @@ s_vFillRTSHead (
      PSDevice         pDevice,
      BYTE             byPktType,
      void *pvRTS,
-     UINT             cbFrameLength,
+     unsigned int             cbFrameLength,
      BOOL             bNeedAck,
      BOOL             bDisCRC,
      PSEthernetHeader psEthHeader,
@@ -994,7 +985,7 @@ s_vFillRTSHead (
      BYTE             byFBOption
     )
 {
-    UINT uRTSFrameLen = 20;
+    unsigned int uRTSFrameLen = 20;
     WORD  wLen = 0x0000;
 
     if (pvRTS == NULL)
@@ -1212,17 +1203,17 @@ static
 void
 s_vFillCTSHead (
      PSDevice pDevice,
-     UINT     uDMAIdx,
+     unsigned int     uDMAIdx,
      BYTE     byPktType,
      void *pvCTS,
-     UINT     cbFrameLength,
+     unsigned int     cbFrameLength,
      BOOL     bNeedAck,
      BOOL     bDisCRC,
      WORD     wCurrentRate,
      BYTE     byFBOption
     )
 {
-    UINT uCTSFrameLen = 14;
+    unsigned int uCTSFrameLen = 14;
     WORD  wLen = 0x0000;
 
     if (pvCTS == NULL) {
@@ -1307,7 +1298,7 @@ s_vFillCTSHead (
  * Return Value: none
  *
 -*/
-// UINT            cbFrameSize,//Hdr+Payload+FCS
+
 static
 void
 s_vGenerateTxParameter (
@@ -1318,13 +1309,13 @@ s_vGenerateTxParameter (
      void *pvRrvTime,
      void *pvRTS,
      void *pvCTS,
-     UINT             cbFrameSize,
+     unsigned int             cbFrameSize,
      BOOL             bNeedACK,
-     UINT             uDMAIdx,
+     unsigned int             uDMAIdx,
      PSEthernetHeader psEthHeader
     )
 {
-    UINT cbMACHdLen = WLAN_HDR_ADDR3_LEN; //24
+	unsigned int cbMACHdLen = WLAN_HDR_ADDR3_LEN; /* 24 */
     WORD wFifoCtl;
     BOOL bDisCRC = FALSE;
     BYTE byFBOption = AUTO_FB_NONE;
@@ -1422,7 +1413,7 @@ s_vGenerateTxParameter (
 /*
     PBYTE pbyBuffer,//point to pTxBufHead
     WORD  wFragType,//00:Non-Frag, 01:Start, 02:Mid, 03:Last
-    UINT  cbFragmentSize,//Hdr+payoad+FCS
+    unsigned int  cbFragmentSize,//Hdr+payoad+FCS
 */
 
 
@@ -1432,29 +1423,30 @@ s_bPacketToWirelessUsb(
       BYTE             byPktType,
       PBYTE            usbPacketBuf,
       BOOL             bNeedEncryption,
-      UINT             uSkbPacketLen,
-      UINT             uDMAIdx,
+      unsigned int             uSkbPacketLen,
+      unsigned int             uDMAIdx,
       PSEthernetHeader psEthHeader,
       PBYTE            pPacket,
       PSKeyItem        pTransmitKey,
-      UINT             uNodeIndex,
+      unsigned int             uNodeIndex,
       WORD             wCurrentRate,
-     UINT             *pcbHeaderLen,
-     UINT             *pcbTotalLen
+     unsigned int             *pcbHeaderLen,
+     unsigned int             *pcbTotalLen
     )
 {
     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
-    UINT                cbFrameSize,cbFrameBodySize;
+    unsigned int cbFrameSize, cbFrameBodySize;
     PTX_BUFFER          pTxBufHead;
-    UINT                cb802_1_H_len;
-    UINT                cbIVlen=0,cbICVlen=0,cbMIClen=0,cbMACHdLen=0,cbFCSlen=4;
-    UINT                cbMICHDR = 0;
+    unsigned int cb802_1_H_len;
+    unsigned int cbIVlen = 0, cbICVlen = 0, cbMIClen = 0,
+	    cbMACHdLen = 0, cbFCSlen = 4;
+    unsigned int cbMICHDR = 0;
     BOOL                bNeedACK,bRTS;
     PBYTE               pbyType,pbyMacHdr,pbyIVHead,pbyPayloadHead,pbyTxBufferAddr;
-    BYTE                abySNAP_RFC1042[6] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
-    BYTE                abySNAP_Bridgetunnel[6] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
-    UINT                uDuration;
-    UINT                cbHeaderLength= 0,uPadding = 0;
+    BYTE abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
+    BYTE abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
+    unsigned int uDuration;
+    unsigned int cbHeaderLength = 0, uPadding = 0;
     void *pvRrvTime;
     PSMICHDRHead        pMICHDR;
     void *pvRTS;
@@ -1809,7 +1801,7 @@ s_bPacketToWirelessUsb(
     }
 
     if (pDevice->bSoftwareGenCrcErr == TRUE) {
-        UINT   cbLen;
+	unsigned int cbLen;
         PDWORD pdwCRC;
 
         dwCRC = 0xFFFFFFFFL;
@@ -1865,8 +1857,8 @@ s_vGenerateMACHeader (
      PSEthernetHeader psEthHeader,
      BOOL             bNeedEncrypt,
      WORD             wFragType,
-     UINT             uDMAIdx,
-     UINT             uFragIdx
+     unsigned int             uDMAIdx,
+     unsigned int             uFragIdx
     )
 {
     PS802_11Header  pMACHeader = (PS802_11Header)pbyBufferAddr;
@@ -1968,22 +1960,22 @@ CMD_STATUS csMgmt_xmit(
     void *pvRTS;
     PSCTS           pCTS;
     void *pvTxDataHd;
-    UINT            uDuration;
-    UINT            cbReqCount;
+    unsigned int            uDuration;
+    unsigned int            cbReqCount;
     PS802_11Header  pMACHeader;
-    UINT            cbHeaderSize;
-    UINT            cbFrameBodySize;
+    unsigned int            cbHeaderSize;
+    unsigned int            cbFrameBodySize;
     BOOL            bNeedACK;
     BOOL            bIsPSPOLL = FALSE;
     PSTxBufHead     pTxBufHead;
-    UINT            cbFrameSize;
-    UINT            cbIVlen = 0;
-    UINT            cbICVlen = 0;
-    UINT            cbMIClen = 0;
-    UINT            cbFCSlen = 4;
-    UINT            uPadding = 0;
+    unsigned int            cbFrameSize;
+    unsigned int            cbIVlen = 0;
+    unsigned int            cbICVlen = 0;
+    unsigned int            cbMIClen = 0;
+    unsigned int            cbFCSlen = 4;
+    unsigned int            uPadding = 0;
     WORD            wTxBufSize;
-    UINT            cbMacHdLen;
+    unsigned int            cbMacHdLen;
     SEthernetHeader sEthHeader;
     void *pvRrvTime;
     void *pMICHDR;
@@ -2258,15 +2250,15 @@ csBeacon_xmit(
     )
 {
 
-    UINT                cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN;
-    UINT                cbHeaderSize = 0;
+    unsigned int                cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN;
+    unsigned int                cbHeaderSize = 0;
     WORD                wTxBufSize = sizeof(STxShortBufHead);
     PSTxShortBufHead    pTxBufHead;
     PS802_11Header      pMACHeader;
     PSTxDataHead_ab     pTxDataHead;
     WORD                wCurrentRate;
-    UINT                cbFrameBodySize;
-    UINT                cbReqCount;
+    unsigned int                cbFrameBodySize;
+    unsigned int                cbReqCount;
     PBEACON_BUFFER      pTX_Buffer;
     PBYTE               pbyTxBufferAddr;
     PUSB_SEND_CONTEXT   pContext;
@@ -2353,41 +2345,41 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb) {
     void *pvRTS;
     void *pvCTS;
     void *pvTxDataHd;
-    UINT            uDuration;
-    UINT            cbReqCount;
+    unsigned int            uDuration;
+    unsigned int            cbReqCount;
     PS802_11Header  pMACHeader;
-    UINT            cbHeaderSize;
-    UINT            cbFrameBodySize;
+    unsigned int            cbHeaderSize;
+    unsigned int            cbFrameBodySize;
     BOOL            bNeedACK;
     BOOL            bIsPSPOLL = FALSE;
     PSTxBufHead     pTxBufHead;
-    UINT            cbFrameSize;
-    UINT            cbIVlen = 0;
-    UINT            cbICVlen = 0;
-    UINT            cbMIClen = 0;
-    UINT            cbFCSlen = 4;
-    UINT            uPadding = 0;
-    UINT            cbMICHDR = 0;
-    UINT            uLength = 0;
+    unsigned int            cbFrameSize;
+    unsigned int            cbIVlen = 0;
+    unsigned int            cbICVlen = 0;
+    unsigned int            cbMIClen = 0;
+    unsigned int            cbFCSlen = 4;
+    unsigned int            uPadding = 0;
+    unsigned int            cbMICHDR = 0;
+    unsigned int            uLength = 0;
     DWORD           dwMICKey0, dwMICKey1;
     DWORD           dwMIC_Priority;
     PDWORD          pdwMIC_L;
     PDWORD          pdwMIC_R;
     WORD            wTxBufSize;
-    UINT            cbMacHdLen;
+    unsigned int            cbMacHdLen;
     SEthernetHeader sEthHeader;
     void *pvRrvTime;
     void *pMICHDR;
     WORD            wCurrentRate = RATE_1M;
     PUWLAN_80211HDR  p80211Header;
-    UINT             uNodeIndex = 0;
+    unsigned int             uNodeIndex = 0;
     BOOL            bNodeExist = FALSE;
     SKeyItem        STempKey;
     PSKeyItem       pTransmitKey = NULL;
     PBYTE           pbyIVHead;
     PBYTE           pbyPayloadHead;
     PBYTE           pbyMacHdr;
-    UINT            cbExtSuppRate = 0;
+    unsigned int            cbExtSuppRate = 0;
     PTX_BUFFER          pTX_Buffer;
     PUSB_SEND_CONTEXT   pContext;
 //    PWLAN_IE        pItem;
@@ -2754,20 +2746,20 @@ vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb) {
 NTSTATUS
 nsDMA_tx_packet(
       PSDevice pDevice,
-      UINT    uDMAIdx,
+      unsigned int    uDMAIdx,
       struct sk_buff *skb
     )
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            BytesToWrite =0,uHeaderLen = 0;
-    UINT            uNodeIndex = 0;
+    unsigned int BytesToWrite = 0, uHeaderLen = 0;
+    unsigned int            uNodeIndex = 0;
     BYTE            byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
     WORD            wAID;
     BYTE            byPktType;
     BOOL            bNeedEncryption = FALSE;
     PSKeyItem       pTransmitKey = NULL;
     SKeyItem        STempKey;
-    UINT            ii;
+    unsigned int            ii;
     BOOL            bTKIP_UseGTK = FALSE;
     BOOL            bNeedDeAuth = FALSE;
     PBYTE           pbyBSSID;
@@ -2775,7 +2767,7 @@ nsDMA_tx_packet(
     PUSB_SEND_CONTEXT pContext;
     BOOL            fConvertedPacket;
     PTX_BUFFER      pTX_Buffer;
-    UINT            status;
+    unsigned int            status;
     WORD            wKeepRate = pDevice->wCurrentRate;
     struct net_device_stats* pStats = &pDevice->stats;
 //#ifdef WPA_SM_Transtatus
@@ -3177,12 +3169,12 @@ BOOL
 bRelayPacketSend (
       PSDevice pDevice,
       PBYTE    pbySkbData,
-      UINT     uDataLen,
-      UINT     uNodeIndex
+      unsigned int     uDataLen,
+      unsigned int     uNodeIndex
     )
 {
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            BytesToWrite =0,uHeaderLen = 0;
+    unsigned int BytesToWrite = 0, uHeaderLen = 0;
     BYTE            byPktType = PK_TYPE_11B;
     BOOL            bNeedEncryption = FALSE;
     SKeyItem        STempKey;
@@ -3192,7 +3184,7 @@ bRelayPacketSend (
     BYTE            byPktTyp;
     BOOL            fConvertedPacket;
     PTX_BUFFER      pTX_Buffer;
-    UINT            status;
+    unsigned int            status;
     WORD            wKeepRate = pDevice->wCurrentRate;
 
 
diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h
index 64df4a3550d..f90de42d7ab 100644
--- a/drivers/staging/vt6656/rxtx.h
+++ b/drivers/staging/vt6656/rxtx.h
@@ -671,21 +671,24 @@ bPacketToWirelessUsb(
       BYTE             byPktType,
       PBYTE            usbPacketBuf,
       BOOL             bNeedEncrypt,
-      UINT             cbPayloadSize,
-      UINT             uDMAIdx,
+      unsigned int             cbPayloadSize,
+      unsigned int             uDMAIdx,
       PSEthernetHeader psEthHeader,
       PBYTE            pPacket,
       PSKeyItem        pTransmitKey,
-      UINT             uNodeIndex,
+      unsigned int             uNodeIndex,
       WORD             wCurrentRate,
-     UINT             *pcbHeaderLen,
-     UINT             *pcbTotalLen
+     unsigned int             *pcbHeaderLen,
+     unsigned int             *pcbTotalLen
     );
 
 void vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb);
-NTSTATUS nsDMA_tx_packet(PSDevice  pDevice, UINT uDMAIdx, struct sk_buff *skb);
+NTSTATUS nsDMA_tx_packet(PSDevice  pDevice,
+			 unsigned int uDMAIdx,
+			 struct sk_buff *skb);
 CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket);
 CMD_STATUS csBeacon_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket);
-BOOL bRelayPacketSend(PSDevice pDevice, PBYTE pbySkbData, UINT uDataLen, UINT uNodeIndex);
+BOOL bRelayPacketSend(PSDevice pDevice, PBYTE pbySkbData,
+		      unsigned int uDataLen, unsigned int uNodeIndex);
 
 #endif /* __RXTX_H__ */
diff --git a/drivers/staging/vt6656/tcrc.c b/drivers/staging/vt6656/tcrc.c
index 3464801ede5..e25021e850a 100644
--- a/drivers/staging/vt6656/tcrc.c
+++ b/drivers/staging/vt6656/tcrc.c
@@ -132,7 +132,7 @@ static const DWORD s_adwCrc32Table[256] = {
  * Return Value: CRC-32
  *
 -*/
-DWORD CRCdwCrc32(PBYTE pbyData, UINT cbByte, DWORD dwCrcSeed)
+DWORD CRCdwCrc32(PBYTE pbyData, unsigned int cbByte, DWORD dwCrcSeed)
 {
 	DWORD dwCrc;
 
@@ -165,7 +165,7 @@ DWORD CRCdwCrc32(PBYTE pbyData, UINT cbByte, DWORD dwCrcSeed)
  * Return Value: CRC-32
  *
 -*/
-DWORD CRCdwGetCrc32(PBYTE pbyData, UINT cbByte)
+DWORD CRCdwGetCrc32(PBYTE pbyData, unsigned int cbByte)
 {
     return ~CRCdwCrc32(pbyData, cbByte, 0xFFFFFFFFL);
 }
@@ -191,7 +191,7 @@ DWORD CRCdwGetCrc32(PBYTE pbyData, UINT cbByte)
  * Return Value: CRC-32
  *
 -*/
-DWORD CRCdwGetCrc32Ex(PBYTE pbyData, UINT cbByte, DWORD dwPreCRC)
+DWORD CRCdwGetCrc32Ex(PBYTE pbyData, unsigned int cbByte, DWORD dwPreCRC)
 {
     return CRCdwCrc32(pbyData, cbByte, dwPreCRC);
 }
diff --git a/drivers/staging/vt6656/tcrc.h b/drivers/staging/vt6656/tcrc.h
index a41fc9b5610..4dfd01e477a 100644
--- a/drivers/staging/vt6656/tcrc.h
+++ b/drivers/staging/vt6656/tcrc.h
@@ -43,8 +43,8 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-DWORD CRCdwCrc32(PBYTE pbyData, UINT cbByte, DWORD dwCrcSeed);
-DWORD CRCdwGetCrc32(PBYTE pbyData, UINT cbByte);
-DWORD CRCdwGetCrc32Ex(PBYTE pbyData, UINT cbByte, DWORD dwPreCRC);
+DWORD CRCdwCrc32(PBYTE pbyData, unsigned int cbByte, DWORD dwCrcSeed);
+DWORD CRCdwGetCrc32(PBYTE pbyData, unsigned int cbByte);
+DWORD CRCdwGetCrc32Ex(PBYTE pbyData, unsigned int cbByte, DWORD dwPreCRC);
 
 #endif /* __TCRC_H__ */
diff --git a/drivers/staging/vt6656/tether.c b/drivers/staging/vt6656/tether.c
index a7c716f174d..4f368f174b2 100644
--- a/drivers/staging/vt6656/tether.c
+++ b/drivers/staging/vt6656/tether.c
@@ -96,7 +96,7 @@ BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr)
  * Return Value: TRUE if ok; FALSE if error.
  *
  */
-BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength)
+BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, unsigned int cbFrameLength)
 {
 	DWORD dwCRC;
 
diff --git a/drivers/staging/vt6656/tether.h b/drivers/staging/vt6656/tether.h
index 9b26033c585..f5819a7aee2 100644
--- a/drivers/staging/vt6656/tether.h
+++ b/drivers/staging/vt6656/tether.h
@@ -228,6 +228,6 @@ S802_11Header, *PS802_11Header;
 
 BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
 //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
-BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength);
+BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, unsigned int cbFrameLength);
 
 #endif /* __TETHER_H__ */
diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
index 3a297754233..c27f9858e2e 100644
--- a/drivers/staging/vt6656/ttype.h
+++ b/drivers/staging/vt6656/ttype.h
@@ -72,12 +72,6 @@ typedef int             BOOL;
 
 /****** Simple typedefs  ***************************************************/
 
-typedef unsigned char   UCHAR;
-typedef unsigned short  USHORT;
-typedef unsigned int    UINT;
-typedef unsigned long   ULONG;
-typedef unsigned long long	ULONGLONG; //64 bit
-
 typedef unsigned char   BYTE;           //  8-bit
 typedef unsigned short  WORD;           // 16-bit
 typedef unsigned long   DWORD;          // 32-bit
diff --git a/drivers/staging/vt6656/upc.h b/drivers/staging/vt6656/upc.h
index be386edb3e9..b33aba4b12c 100644
--- a/drivers/staging/vt6656/upc.h
+++ b/drivers/staging/vt6656/upc.h
@@ -141,7 +141,7 @@
 
 #define PCAvDelayByIO(uDelayUnit) {             \
     BYTE    byData;                             \
-    ULONG   ii;                                 \
+    unsigned long   ii;                                 \
                                                 \
     if (uDelayUnit <= 50) {                     \
         udelay(uDelayUnit);                     \
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index ce71f18afd8..fd2355e34fb 100644
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -484,12 +484,11 @@ s_nsInterruptUsbIoCompleteRead(
             pDevice->fKillEventPollingThread = TRUE;
 //        }
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"IntUSBIoCompleteControl STATUS = %d\n", ntStatus );
-    }
-    else {
-        pDevice->ulIntInBytesRead += (ULONG)urb->actual_length;
-        pDevice->ulIntInContCRCError = 0;
-        pDevice->bEventAvailable = TRUE;
-        INTnsProcessData(pDevice);
+    } else {
+	    pDevice->ulIntInBytesRead += (unsigned long) urb->actual_length;
+	    pDevice->ulIntInContCRCError = 0;
+	    pDevice->bEventAvailable = TRUE;
+	    INTnsProcessData(pDevice);
     }
 
     STAvUpdateUSBCounter(&pDevice->scStatistic.USB_InterruptStat, ntStatus);
@@ -614,7 +613,7 @@ s_nsBulkInUsbIoCompleteRead(
 {
     PRCB    pRCB = (PRCB)urb->context;
     PSDevice pDevice = (PSDevice)pRCB->pDevice;
-    ULONG   bytesRead;
+    unsigned long   bytesRead;
     BOOL    bIndicateReceive = FALSE;
     BOOL    bReAllocSkb = FALSE;
     NTSTATUS    status;
@@ -774,7 +773,7 @@ s_nsBulkOutIoCompleteWrite(
     PSDevice            pDevice;
     NTSTATUS            status;
     CONTEXT_TYPE        ContextType;
-    ULONG               ulBufLen;
+    unsigned long               ulBufLen;
     PUSB_SEND_CONTEXT   pContext;
 
 
diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
index 6fec9094ccd..72e21b6f0e8 100644
--- a/drivers/staging/vt6656/wcmd.c
+++ b/drivers/staging/vt6656/wcmd.c
@@ -219,7 +219,7 @@ s_vProbeChannel(
     PBYTE           pbyRate;
     PSTxMgmtPacket  pTxPacket;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-    UINT            ii;
+    unsigned int            ii;
 
 
     if (pDevice->byBBType == BB_TYPE_11A) {
@@ -316,15 +316,15 @@ s_MgrMakeProbeRequest(
     return pTxPacket;
 }
 
-void vCommandTimerWait(void *hDeviceContext, UINT MSecond)
+void vCommandTimerWait(void *hDeviceContext, unsigned int MSecond)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
 
     init_timer(&pDevice->sTimerCommand);
-    pDevice->sTimerCommand.data = (ULONG)pDevice;
+    pDevice->sTimerCommand.data = (unsigned long)pDevice;
     pDevice->sTimerCommand.function = (TimerFunction)vRunCommand;
     // RUN_AT :1 msec ~= (HZ/1024)
-    pDevice->sTimerCommand.expires = (UINT)RUN_AT((MSecond * HZ) >> 10);
+    pDevice->sTimerCommand.expires = (unsigned int)RUN_AT((MSecond * HZ) >> 10);
     add_timer(&pDevice->sTimerCommand);
     return;
 }
@@ -336,7 +336,7 @@ void vRunCommand(void *hDeviceContext)
     PWLAN_IE_SSID   pItemSSID;
     PWLAN_IE_SSID   pItemSSIDCurr;
     CMD_STATUS      Status;
-    UINT            ii;
+    unsigned int            ii;
     BYTE            byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
     struct sk_buff  *skb;
     BYTE            byData;
@@ -760,7 +760,7 @@ void vRunCommand(void *hDeviceContext)
                      // printk("Re-initial TxDataTimer****\n");
 		    del_timer(&pDevice->sTimerTxData);
                       init_timer(&pDevice->sTimerTxData);
-                      pDevice->sTimerTxData.data = (ULONG)pDevice;
+			pDevice->sTimerTxData.data = (unsigned long) pDevice;
                       pDevice->sTimerTxData.function = (TimerFunction)BSSvSecondTxData;
                       pDevice->sTimerTxData.expires = RUN_AT(10*HZ);      //10s callback
                       pDevice->fTxDataInSleep = FALSE;
@@ -1264,8 +1264,8 @@ BOOL bScheduleCommand(void *hDeviceContext,
 static BOOL s_bClearBSSID_SCAN(void *hDeviceContext)
 {
     PSDevice        pDevice = (PSDevice)hDeviceContext;
-    UINT            uCmdDequeueIdx = pDevice->uCmdDequeueIdx;
-    UINT            ii;
+    unsigned int            uCmdDequeueIdx = pDevice->uCmdDequeueIdx;
+    unsigned int            ii;
 
     if ((pDevice->cbFreeCmdQueue < CMD_Q_SIZE) && (uCmdDequeueIdx != pDevice->uCmdEnqueueIdx)) {
         for (ii = 0; ii < (CMD_Q_SIZE - pDevice->cbFreeCmdQueue); ii ++) {
@@ -1289,7 +1289,7 @@ void vResetCommandTimer(void *hDeviceContext)
       del_timer(&pDevice->sTimerCommand);
   //init timer
       init_timer(&pDevice->sTimerCommand);
-    pDevice->sTimerCommand.data = (ULONG)pDevice;
+    pDevice->sTimerCommand.data = (unsigned long)pDevice;
     pDevice->sTimerCommand.function = (TimerFunction)vRunCommand;
     pDevice->sTimerCommand.expires = RUN_AT(HZ);
     pDevice->cbFreeCmdQueue = CMD_Q_SIZE;
diff --git a/drivers/staging/vt6656/wctl.c b/drivers/staging/vt6656/wctl.c
index 956add69422..857ce0bc00a 100644
--- a/drivers/staging/vt6656/wctl.c
+++ b/drivers/staging/vt6656/wctl.c
@@ -69,8 +69,8 @@
 
 BOOL WCTLbIsDuplicate (PSCache pCache, PS802_11Header pMACHeader)
 {
-    UINT            uIndex;
-    UINT            ii;
+    unsigned int            uIndex;
+    unsigned int            ii;
     PSCacheEntry    pCacheEntry;
 
     if (IS_FC_RETRY(pMACHeader)) {
@@ -111,9 +111,9 @@ BOOL WCTLbIsDuplicate (PSCache pCache, PS802_11Header pMACHeader)
  * Return Value: index number in Defragment Database
  *
  */
-UINT WCTLuSearchDFCB (PSDevice pDevice, PS802_11Header pMACHeader)
+unsigned int WCTLuSearchDFCB(PSDevice pDevice, PS802_11Header pMACHeader)
 {
-UINT ii;
+	unsigned int ii;
 
     for(ii=0;ii<pDevice->cbDFCB;ii++) {
         if ((pDevice->sRxDFCB[ii].bInUse == TRUE) &&
@@ -141,9 +141,9 @@ UINT ii;
  * Return Value: index number in Defragment Database
  *
  */
-UINT WCTLuInsertDFCB (PSDevice pDevice, PS802_11Header pMACHeader)
+unsigned int WCTLuInsertDFCB(PSDevice pDevice, PS802_11Header pMACHeader)
 {
-UINT ii;
+	unsigned int ii;
 
     if (pDevice->cbFreeDFCB == 0)
         return(pDevice->cbDFCB);
@@ -180,9 +180,10 @@ UINT ii;
  * Return Value: TRUE if it is valid fragment packet and we have resource to defragment; otherwise FALSE
  *
  */
-BOOL WCTLbHandleFragment (PSDevice pDevice, PS802_11Header pMACHeader, UINT cbFrameLength, BOOL bWEP, BOOL bExtIV)
+BOOL WCTLbHandleFragment(PSDevice pDevice, PS802_11Header pMACHeader,
+			 unsigned int cbFrameLength, BOOL bWEP, BOOL bExtIV)
 {
-UINT            uHeaderSize;
+unsigned int            uHeaderSize;
 
 
     if (bWEP == TRUE) {
diff --git a/drivers/staging/vt6656/wctl.h b/drivers/staging/vt6656/wctl.h
index c81dff700e0..7270af68c89 100644
--- a/drivers/staging/vt6656/wctl.h
+++ b/drivers/staging/vt6656/wctl.h
@@ -90,7 +90,6 @@
         (uVar)++;                                   \
 }
 
-
 /*---------------------  Export Classes  ----------------------------*/
 
 /*---------------------  Export Variables  --------------------------*/
@@ -98,8 +97,9 @@
 /*---------------------  Export Functions  --------------------------*/
 
 BOOL WCTLbIsDuplicate(PSCache pCache, PS802_11Header pMACHeader);
-BOOL WCTLbHandleFragment(PSDevice pDevice, PS802_11Header pMACHeader, UINT cbFrameLength, BOOL bWEP, BOOL bExtIV);
-UINT WCTLuSearchDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
-UINT WCTLuInsertDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
+BOOL WCTLbHandleFragment(PSDevice pDevice, PS802_11Header pMACHeader,
+			 unsigned int cbFrameLength, BOOL bWEP, BOOL bExtIV);
+unsigned int WCTLuSearchDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
+unsigned int WCTLuInsertDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
 
 #endif /* __WCTL_H__ */
diff --git a/drivers/staging/vt6656/wmgr.c b/drivers/staging/vt6656/wmgr.c
index aaba5221170..93c15f0580f 100644
--- a/drivers/staging/vt6656/wmgr.c
+++ b/drivers/staging/vt6656/wmgr.c
@@ -118,7 +118,7 @@ s_vMgrRxAssocRequest(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
      PSRxMgmtPacket pRxPacket,
-     UINT  uNodeIndex
+     unsigned int  uNodeIndex
     );
 
 static
@@ -242,7 +242,7 @@ s_MgrMakeBeacon(
      PSMgmtObject pMgmt,
      WORD wCurrCapInfo,
      WORD wCurrBeaconPeriod,
-     UINT uCurrChannel,
+     unsigned int uCurrChannel,
      WORD wCurrATIMWinodw,
      PWLAN_IE_SSID pCurrSSID,
      PBYTE pCurrBSSID,
@@ -287,7 +287,7 @@ s_MgrMakeProbeResponse(
      PSMgmtObject pMgmt,
      WORD wCurrCapInfo,
      WORD wCurrBeaconPeriod,
-     UINT uCurrChannel,
+     unsigned int uCurrChannel,
      WORD wCurrATIMWinodw,
      PBYTE pDstAddr,
      PWLAN_IE_SSID pCurrSSID,
@@ -310,7 +310,7 @@ static
 void
 s_vMgrSynchBSS (
      PSDevice      pDevice,
-     UINT          uBSSMode,
+     unsigned int          uBSSMode,
      PKnownBSS     pCurr,
      PCMD_STATUS  pStatus
     );
@@ -364,19 +364,19 @@ void vMgrObjectInit(void *hDeviceContext)
     BSSvClearBSSList((void *) pDevice, FALSE);
 
     init_timer(&pMgmt->sTimerSecondCallback);
-    pMgmt->sTimerSecondCallback.data = (ULONG)pDevice;
+    pMgmt->sTimerSecondCallback.data = (unsigned long)pDevice;
     pMgmt->sTimerSecondCallback.function = (TimerFunction)BSSvSecondCallBack;
     pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
 
     init_timer(&pDevice->sTimerCommand);
-    pDevice->sTimerCommand.data = (ULONG)pDevice;
+    pDevice->sTimerCommand.data = (unsigned long)pDevice;
     pDevice->sTimerCommand.function = (TimerFunction)vRunCommand;
     pDevice->sTimerCommand.expires = RUN_AT(HZ);
 
 //2007-0115-10<Add>by MikeLiu
    #ifdef TxInSleep
     init_timer(&pDevice->sTimerTxData);
-    pDevice->sTimerTxData.data = (ULONG)pDevice;
+    pDevice->sTimerTxData.data = (unsigned long)pDevice;
     pDevice->sTimerTxData.function = (TimerFunction)BSSvSecondTxData;
     pDevice->sTimerTxData.expires = RUN_AT(10*HZ);      //10s callback
     pDevice->fTxDataInSleep = FALSE;
@@ -619,7 +619,7 @@ s_vMgrRxAssocRequest(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
      PSRxMgmtPacket pRxPacket,
-     UINT uNodeIndex
+     unsigned int uNodeIndex
     )
 {
     WLAN_FR_ASSOCREQ    sFrame;
@@ -627,7 +627,7 @@ s_vMgrRxAssocRequest(
     PSTxMgmtPacket      pTxPacket;
     WORD                wAssocStatus = 0;
     WORD                wAssocAID = 0;
-    UINT                uRateLen = WLAN_RATES_MAXLEN;
+    unsigned int                uRateLen = WLAN_RATES_MAXLEN;
     BYTE                abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
     BYTE                abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 
@@ -775,7 +775,7 @@ s_vMgrRxReAssocRequest(
      PSDevice pDevice,
      PSMgmtObject pMgmt,
      PSRxMgmtPacket pRxPacket,
-     UINT uNodeIndex
+     unsigned int uNodeIndex
     )
 {
     WLAN_FR_REASSOCREQ    sFrame;
@@ -783,7 +783,7 @@ s_vMgrRxReAssocRequest(
     PSTxMgmtPacket      pTxPacket;
     WORD                wAssocStatus = 0;
     WORD                wAssocAID = 0;
-    UINT                uRateLen = WLAN_RATES_MAXLEN;
+    unsigned int                uRateLen = WLAN_RATES_MAXLEN;
     BYTE                abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
     BYTE                abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 
@@ -1257,7 +1257,7 @@ s_vMgrRxAuthenSequence_1(
      )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
-    UINT                uNodeIndex;
+    unsigned int                uNodeIndex;
     WLAN_FR_AUTHEN      sFrame;
     PSKeyItem           pTransmitKey;
 
@@ -1464,8 +1464,8 @@ s_vMgrRxAuthenSequence_3(
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
-    UINT                uStatusCode = 0 ;
-    UINT                uNodeIndex = 0;
+    unsigned int                uStatusCode = 0 ;
+    unsigned int                uNodeIndex = 0;
     WLAN_FR_AUTHEN      sFrame;
 
     if (!WLAN_GET_FC_ISWEP(pFrame->pHdr->sA3.wFrameCtl)) {
@@ -1590,7 +1590,7 @@ s_vMgrRxDisassociation(
     )
 {
     WLAN_FR_DISASSOC    sFrame;
-    UINT        uNodeIndex = 0;
+    unsigned int        uNodeIndex = 0;
     CMD_STATUS          CmdStatus;
     viawget_wpa_header *wpahdr;
 
@@ -1680,7 +1680,7 @@ s_vMgrRxDeauthentication(
     )
 {
     WLAN_FR_DEAUTHEN    sFrame;
-    UINT        uNodeIndex = 0;
+    unsigned int        uNodeIndex = 0;
     viawget_wpa_header *wpahdr;
 
 
@@ -1817,17 +1817,17 @@ s_vMgrRxBeacon(
     BOOL                bUpdateTSF = FALSE;
     BOOL                bIsAPBeacon = FALSE;
     BOOL                bIsChannelEqual = FALSE;
-    UINT                uLocateByteIndex;
+    unsigned int                uLocateByteIndex;
     BYTE                byTIMBitOn = 0;
     WORD                wAIDNumber = 0;
-    UINT                uNodeIndex;
+    unsigned int                uNodeIndex;
     QWORD               qwTimestamp, qwLocalTSF;
     QWORD               qwCurrTSF;
     WORD                wStartIndex = 0;
     WORD                wAIDIndex = 0;
     BYTE                byCurrChannel = pRxPacket->byRxChannel;
     ERPObject           sERP;
-    UINT                uRateLen = WLAN_RATES_MAXLEN;
+    unsigned int                uRateLen = WLAN_RATES_MAXLEN;
     BOOL                bChannelHit = FALSE;
     BYTE                byOldPreambleType;
 
@@ -2336,7 +2336,7 @@ void vMgrCreateOwnIBSS(void *hDeviceContext,
     BYTE                byTopCCKBasicRate;
     BYTE                byTopOFDMBasicRate;
     QWORD               qwCurrTSF;
-    UINT                ii;
+    unsigned int                ii;
     BYTE    abyRATE[] = {0x82, 0x84, 0x8B, 0x96, 0x24, 0x30, 0x48, 0x6C, 0x0C, 0x12, 0x18, 0x60};
     BYTE    abyCCK_RATE[] = {0x82, 0x84, 0x8B, 0x96};
     BYTE    abyOFDM_RATE[] = {0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
@@ -2601,11 +2601,11 @@ void vMgrJoinBSSBegin(void *hDeviceContext, PCMD_STATUS pStatus)
     PSDevice     pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     PKnownBSS       pCurr = NULL;
-    UINT            ii, uu;
+    unsigned int            ii, uu;
     PWLAN_IE_SUPP_RATES pItemRates = NULL;
     PWLAN_IE_SUPP_RATES pItemExtRates = NULL;
     PWLAN_IE_SSID   pItemSSID;
-    UINT            uRateLen = WLAN_RATES_MAXLEN;
+    unsigned int            uRateLen = WLAN_RATES_MAXLEN;
     WORD            wMaxBasicRate = RATE_1M;
     WORD            wMaxSuppRate = RATE_1M;
     WORD            wSuppRate;
@@ -2705,9 +2705,10 @@ void vMgrJoinBSSBegin(void *hDeviceContext, PCMD_STATUS pStatus)
                                             uRateLen);
             // Stuffing Rate IE
             if ((pItemExtRates->len > 0) && (pItemRates->len < 8)) {
-                for (ii = 0; ii < (UINT)(8 - pItemRates->len); ) {
-                    pItemRates->abyRates[pItemRates->len + ii] = pItemExtRates->abyRates[ii];
-                    ii ++;
+		for (ii = 0; ii < (unsigned int) (8 - pItemRates->len); ) {
+			pItemRates->abyRates[pItemRates->len + ii] =
+				pItemExtRates->abyRates[ii];
+			ii++;
                     if (pItemExtRates->len <= ii)
                         break;
                 }
@@ -2931,7 +2932,7 @@ static
 void
 s_vMgrSynchBSS (
      PSDevice      pDevice,
-     UINT          uBSSMode,
+     unsigned int          uBSSMode,
      PKnownBSS     pCurr,
      PCMD_STATUS  pStatus
     )
@@ -3096,7 +3097,7 @@ s_vMgrSynchBSS (
  )
  {
   PSMgmtObject  pMgmt = &(pDevice->sMgmtObj);
- // UINT            ii , uSameBssidNum=0;
+  /* unsigned int ii, uSameBssidNum=0; */
 
         //  for (ii = 0; ii < MAX_BSS_NUM; ii++) {
           //   if (pMgmt->sBSSList[ii].bActive &&
@@ -3155,7 +3156,7 @@ s_vMgrFormatTIM(
 {
     BYTE        byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
     BYTE        byMap;
-    UINT        ii, jj;
+    unsigned int        ii, jj;
     BOOL        bStartFound = FALSE;
     BOOL        bMulticast = FALSE;
     WORD        wStartIndex = 0;
@@ -3228,7 +3229,7 @@ s_MgrMakeBeacon(
      PSMgmtObject pMgmt,
      WORD wCurrCapInfo,
      WORD wCurrBeaconPeriod,
-     UINT uCurrChannel,
+     unsigned int uCurrChannel,
      WORD wCurrATIMWinodw,
      PWLAN_IE_SSID pCurrSSID,
      PBYTE pCurrBSSID,
@@ -3402,7 +3403,7 @@ s_MgrMakeProbeResponse(
      PSMgmtObject pMgmt,
      WORD wCurrCapInfo,
      WORD wCurrBeaconPeriod,
-     UINT uCurrChannel,
+     unsigned int uCurrChannel,
      WORD wCurrATIMWinodw,
      PBYTE pDstAddr,
      PWLAN_IE_SSID pCurrSSID,
@@ -3672,7 +3673,7 @@ s_MgrMakeAssocRequest(
     } else if (((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
                 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) &&
                (pMgmt->pCurrBSS != NULL)) {
-        UINT                ii;
+	unsigned int ii;
         PWORD               pwPMKID;
 
         // WPA IE
@@ -3932,7 +3933,7 @@ s_MgrMakeReAssocRequest(
     } else if (((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
                 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) &&
                (pMgmt->pCurrBSS != NULL)) {
-        UINT                ii;
+	unsigned int ii;
         PWORD               pwPMKID;
 
         /* WPA IE */
@@ -4422,7 +4423,7 @@ void vMgrRxManagePacket(void *hDeviceContext,
 {
     PSDevice    pDevice = (PSDevice)hDeviceContext;
     BOOL        bInScan = FALSE;
-    UINT        uNodeIndex = 0;
+    unsigned int        uNodeIndex = 0;
     NODE_STATE  eNodeState = 0;
     CMD_STATUS  Status;
 
@@ -4689,7 +4690,7 @@ BOOL bAdd_PMKID_Candidate(void *hDeviceContext,
 {
     PSDevice         pDevice = (PSDevice)hDeviceContext;
     PPMKID_CANDIDATE pCandidateList;
-    UINT             ii = 0;
+    unsigned int             ii = 0;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"bAdd_PMKID_Candidate START: (%d)\n", (int)pDevice->gsPMKIDCandidate.NumCandidates);
 
diff --git a/drivers/staging/vt6656/wmgr.h b/drivers/staging/vt6656/wmgr.h
index ec2ee7805f4..1e5b916aea1 100644
--- a/drivers/staging/vt6656/wmgr.h
+++ b/drivers/staging/vt6656/wmgr.h
@@ -84,37 +84,37 @@
 //mike define: make timer  to expire after desired times
 #define timer_expire(timer,next_tick)   mod_timer(&timer, RUN_AT(next_tick))
 
-typedef void (*TimerFunction)(ULONG);
+typedef void (*TimerFunction)(unsigned long);
 
 
 //+++ NDIS related
 
-typedef UCHAR   NDIS_802_11_MAC_ADDRESS[6];
+typedef unsigned char NDIS_802_11_MAC_ADDRESS[ETH_ALEN];
 typedef struct _NDIS_802_11_AI_REQFI
 {
-    USHORT Capabilities;
-    USHORT ListenInterval;
+    unsigned short Capabilities;
+    unsigned short ListenInterval;
     NDIS_802_11_MAC_ADDRESS  CurrentAPAddress;
 } NDIS_802_11_AI_REQFI, *PNDIS_802_11_AI_REQFI;
 
 typedef struct _NDIS_802_11_AI_RESFI
 {
-    USHORT Capabilities;
-    USHORT StatusCode;
-    USHORT AssociationId;
+    unsigned short Capabilities;
+    unsigned short StatusCode;
+    unsigned short AssociationId;
 } NDIS_802_11_AI_RESFI, *PNDIS_802_11_AI_RESFI;
 
 typedef struct _NDIS_802_11_ASSOCIATION_INFORMATION
 {
-    ULONG                   Length;
-    USHORT                  AvailableRequestFixedIEs;
+    unsigned long                   Length;
+    unsigned short                  AvailableRequestFixedIEs;
     NDIS_802_11_AI_REQFI    RequestFixedIEs;
-    ULONG                   RequestIELength;
-    ULONG                   OffsetRequestIEs;
-    USHORT                  AvailableResponseFixedIEs;
+    unsigned long                   RequestIELength;
+    unsigned long                   OffsetRequestIEs;
+    unsigned short                  AvailableResponseFixedIEs;
     NDIS_802_11_AI_RESFI    ResponseFixedIEs;
-    ULONG                   ResponseIELength;
-    ULONG                   OffsetResponseIEs;
+    unsigned long                   ResponseIELength;
+    unsigned long                   OffsetResponseIEs;
 } NDIS_802_11_ASSOCIATION_INFORMATION, *PNDIS_802_11_ASSOCIATION_INFORMATION;
 
 
@@ -123,7 +123,7 @@ typedef struct tagSAssocInfo {
     NDIS_802_11_ASSOCIATION_INFORMATION     AssocInfo;
     BYTE                                    abyIEs[WLAN_BEACON_FR_MAXLEN+WLAN_BEACON_FR_MAXLEN];
     // store ReqIEs set by OID_802_11_ASSOCIATION_INFORMATION
-    ULONG                                   RequestIELength;
+    unsigned long                                   RequestIELength;
     BYTE                                    abyReqIEs[WLAN_BEACON_FR_MAXLEN];
 } SAssocInfo, *PSAssocInfo;
 //---
@@ -222,8 +222,8 @@ typedef enum tagWMAC_POWER_MODE {
 typedef struct tagSTxMgmtPacket {
 
     PUWLAN_80211HDR     p80211Header;
-    UINT                cbMPDULen;
-    UINT                cbPayloadLen;
+    unsigned int                cbMPDULen;
+    unsigned int                cbPayloadLen;
 
 } STxMgmtPacket, *PSTxMgmtPacket;
 
@@ -233,9 +233,9 @@ typedef struct tagSRxMgmtPacket {
 
     PUWLAN_80211HDR     p80211Header;
     QWORD               qwLocalTSF;
-    UINT                cbMPDULen;
-    UINT                cbPayloadLen;
-    UINT                uRSSI;
+    unsigned int                cbMPDULen;
+    unsigned int                cbPayloadLen;
+    unsigned int                uRSSI;
     BYTE                bySQ;
     BYTE                byRxRate;
     BYTE                byRxChannel;
@@ -272,21 +272,21 @@ typedef struct tagSMgmtObject
     BOOL                    bCurrBSSIDFilterOn;
 
     // Current state vars
-    UINT                    uCurrChannel;
+    unsigned int                    uCurrChannel;
     BYTE                    abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
     BYTE                    abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
     BYTE                    abyCurrSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
     BYTE                    abyCurrBSSID[WLAN_BSSID_LEN];
     WORD                    wCurrCapInfo;
     WORD                    wCurrAID;
-    UINT                    uRSSITrigger;
+    unsigned int                    uRSSITrigger;
     WORD                    wCurrATIMWindow;
     WORD                    wCurrBeaconPeriod;
     BOOL                    bIsDS;
     BYTE                    byERPContext;
 
     CMD_STATE               eCommandState;
-    UINT                    uScanChannel;
+    unsigned int                    uScanChannel;
 
     // Desire joinning BSS vars
     BYTE                    abyDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
@@ -301,22 +301,22 @@ typedef struct tagSMgmtObject
     // Adhoc or AP configuration vars
     WORD                    wIBSSBeaconPeriod;
     WORD                    wIBSSATIMWindow;
-    UINT                    uIBSSChannel;
+    unsigned int                    uIBSSChannel;
     BYTE                    abyIBSSSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
     BYTE                    byAPBBType;
     BYTE                    abyWPAIE[MAX_WPA_IE_LEN];
     WORD                    wWPAIELen;
 
-    UINT                    uAssocCount;
+    unsigned int                    uAssocCount;
     BOOL                    bMoreData;
 
     // Scan state vars
     WMAC_SCAN_STATE         eScanState;
     WMAC_SCAN_TYPE          eScanType;
-    UINT                    uScanStartCh;
-    UINT                    uScanEndCh;
+    unsigned int                    uScanStartCh;
+    unsigned int                    uScanEndCh;
     WORD                    wScanSteps;
-    UINT                    uScanBSSType;
+    unsigned int                    uScanBSSType;
     // Desire scannig vars
     BYTE                    abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
     BYTE                    abyScanBSSID[WLAN_BSSID_LEN];
@@ -344,8 +344,8 @@ typedef struct tagSMgmtObject
     BYTE                    abyPSTxMap[MAX_NODE_NUM + 1];
 
     // managment command related
-    UINT                    uCmdBusy;
-    UINT                    uCmdHostAPBusy;
+    unsigned int                    uCmdBusy;
+    unsigned int                    uCmdHostAPBusy;
 
     // managment packet pool
     PBYTE                   pbyMgmtPacketPool;
@@ -389,7 +389,7 @@ typedef struct tagSMgmtObject
     BOOL                    bSwitchChannel;
     BYTE                    byNewChannel;
     PWLAN_IE_MEASURE_REP    pCurrMeasureEIDRep;
-    UINT                    uLengthOfRepEIDs;
+    unsigned int                    uLengthOfRepEIDs;
     BYTE                    abyCurrentMSRReq[sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN];
     BYTE                    abyCurrentMSRRep[sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN];
     BYTE                    abyIECountry[WLAN_A3FR_MAXLEN];
diff --git a/drivers/staging/vt6656/wpa2.c b/drivers/staging/vt6656/wpa2.c
index 9bd6bf5bf37..6d13190885d 100644
--- a/drivers/staging/vt6656/wpa2.c
+++ b/drivers/staging/vt6656/wpa2.c
@@ -260,14 +260,14 @@ WPA2vParseRSN (
  * Return Value: length of IEs.
  *
 -*/
-UINT
+unsigned int
 WPA2uSetIEs(void *pMgmtHandle,
      PWLAN_IE_RSN pRSNIEs
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtHandle;
     PBYTE           pbyBuffer = NULL;
-    UINT            ii = 0;
+    unsigned int            ii = 0;
     PWORD           pwPMKID = NULL;
 
     if (pRSNIEs == NULL) {
diff --git a/drivers/staging/vt6656/wpa2.h b/drivers/staging/vt6656/wpa2.h
index 79305a79b9d..429a910a5c5 100644
--- a/drivers/staging/vt6656/wpa2.h
+++ b/drivers/staging/vt6656/wpa2.h
@@ -45,7 +45,7 @@ typedef struct tagsPMKIDInfo {
 } PMKIDInfo, *PPMKIDInfo;
 
 typedef struct tagSPMKIDCache {
-    ULONG       BSSIDInfoCount;
+    unsigned long       BSSIDInfoCount;
     PMKIDInfo   BSSIDInfo[MAX_PMKID_CACHE];
 } SPMKIDCache, *PSPMKIDCache;
 
@@ -69,7 +69,7 @@ WPA2vParseRSN (
      PWLAN_IE_RSN     pRSN
     );
 
-UINT
+unsigned int
 WPA2uSetIEs(
 	void *pMgmtHandle,
      PWLAN_IE_RSN pRSNIEs
diff --git a/drivers/staging/vt6656/wpactl.h b/drivers/staging/vt6656/wpactl.h
index 3a2f15f3f24..00c8451ab50 100644
--- a/drivers/staging/vt6656/wpactl.h
+++ b/drivers/staging/vt6656/wpactl.h
@@ -52,9 +52,7 @@ typedef enum { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
 #define GENERIC_INFO_ELEM 0xdd
 #define RSN_INFO_ELEM 0x30
 
-
-
-typedef ULONGLONG   NDIS_802_11_KEY_RSC;
+typedef unsigned long long NDIS_802_11_KEY_RSC;
 
 /*---------------------  Export Classes  ----------------------------*/
 

From 973267a212a6f28c26cbb7929a7ffdd963c16861 Mon Sep 17 00:00:00 2001
From: Adam Latham <adam.latham@unisontorbay.org.uk>
Date: Sat, 15 May 2010 09:38:44 +0100
Subject: [PATCH 2029/3638] Staging: winbond: Fix for pointer name format issue
 in mds.c

This patch fixes the unnecessary whitespace found in pointer names in
the mds.c file found by the checkpatch.pl tool

Signed-off-by: Adam Latham <adam.latham@unisontorbay.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/mds.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/winbond/mds.c b/drivers/staging/winbond/mds.c
index 65063c33618..e8320a6f59a 100644
--- a/drivers/staging/winbond/mds.c
+++ b/drivers/staging/winbond/mds.c
@@ -6,7 +6,7 @@
 #include "wblinux_f.h"
 
 unsigned char
-Mds_initial(struct wbsoft_priv * adapter)
+Mds_initial(struct wbsoft_priv *adapter)
 {
 	struct wb35_mds *pMds = &adapter->Mds;
 
@@ -18,7 +18,7 @@ Mds_initial(struct wbsoft_priv * adapter)
 }
 
 void
-Mds_Destroy(struct wbsoft_priv * adapter)
+Mds_Destroy(struct wbsoft_priv *adapter)
 {
 }
 
@@ -318,7 +318,7 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
 	return Size;
 }
 
-static void Mds_HeaderCopy(struct wbsoft_priv * adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
+static void Mds_HeaderCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
 {
 	struct wb35_mds *pMds = &adapter->Mds;
 	u8	*src_buffer = pDes->buffer_address[0]; /* 931130.5.g */
@@ -414,9 +414,9 @@ static void Mds_HeaderCopy(struct wbsoft_priv * adapter, struct wb35_descriptor
 }
 
 void
-Mds_Tx(struct wbsoft_priv * adapter)
+Mds_Tx(struct wbsoft_priv *adapter)
 {
-	struct hw_data *	pHwData = &adapter->sHwData;
+	struct hw_data *pHwData = &adapter->sHwData;
 	struct wb35_mds *pMds = &adapter->Mds;
 	struct wb35_descriptor	TxDes;
 	struct wb35_descriptor *pTxDes = &TxDes;
@@ -550,10 +550,10 @@ Mds_Tx(struct wbsoft_priv * adapter)
 }
 
 void
-Mds_SendComplete(struct wbsoft_priv * adapter, PT02_DESCRIPTOR pT02)
+Mds_SendComplete(struct wbsoft_priv *adapter, PT02_DESCRIPTOR pT02)
 {
 	struct wb35_mds *pMds = &adapter->Mds;
-	struct hw_data *	pHwData = &adapter->sHwData;
+	struct hw_data *pHwData = &adapter->sHwData;
 	u8	PacketId = (u8)pT02->T02_Tx_PktID;
 	unsigned char	SendOK = true;
 	u8	RetryCount, TxRate;

From abfc768d9e374dc30b98206aff99d790e36d06dd Mon Sep 17 00:00:00 2001
From: Lior Dotan <liodot@gmail.com>
Date: Tue, 18 May 2010 12:46:42 +0300
Subject: [PATCH 2030/3638] Staging: crystalhd: Remove typedefs from driver

Remove typedefs from driver

Signed-of-by: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/crystalhd/bc_dts_defs.h     |  68 ++++----
 drivers/staging/crystalhd/bc_dts_glob_lnx.h | 117 +++++++------
 drivers/staging/crystalhd/crystalhd_cmds.c  | 160 ++++++++---------
 drivers/staging/crystalhd/crystalhd_cmds.h  |  21 ++-
 drivers/staging/crystalhd/crystalhd_fw_if.h |  60 +++----
 drivers/staging/crystalhd/crystalhd_hw.c    | 183 ++++++++++----------
 drivers/staging/crystalhd/crystalhd_hw.h    | 121 ++++++-------
 drivers/staging/crystalhd/crystalhd_lnx.c   |  34 ++--
 drivers/staging/crystalhd/crystalhd_lnx.h   |   6 +-
 drivers/staging/crystalhd/crystalhd_misc.c  |  80 ++++-----
 drivers/staging/crystalhd/crystalhd_misc.h  |  54 +++---
 11 files changed, 442 insertions(+), 462 deletions(-)

diff --git a/drivers/staging/crystalhd/bc_dts_defs.h b/drivers/staging/crystalhd/bc_dts_defs.h
index f9dd0e3e240..778e76af052 100644
--- a/drivers/staging/crystalhd/bc_dts_defs.h
+++ b/drivers/staging/crystalhd/bc_dts_defs.h
@@ -26,12 +26,10 @@
 #ifndef _BC_DTS_DEFS_H_
 #define _BC_DTS_DEFS_H_
 
-#include "bc_dts_types.h"
-
 /* BIT Mask */
 #define BC_BIT(_x)		(1 << (_x))
 
-typedef enum _BC_STATUS {
+enum BC_STATUS {
 	BC_STS_SUCCESS		= 0,
 	BC_STS_INV_ARG		= 1,
 	BC_STS_BUSY		= 2,
@@ -62,7 +60,7 @@ typedef enum _BC_STATUS {
 
 	/* Must be the last one.*/
 	BC_STS_ERROR		= -1
-} BC_STATUS;
+};
 
 /*------------------------------------------------------*
  *    Registry Key Definitions				*
@@ -81,14 +79,14 @@ typedef enum _BC_STATUS {
  *
  */
 
-typedef enum _BC_SW_OPTIONS {
+enum BC_SW_OPTIONS {
 	BC_OPT_DOSER_OUT_ENCRYPT	= BC_BIT(3),
 	BC_OPT_LINK_OUT_ENCRYPT		= BC_BIT(29),
-} BC_SW_OPTIONS;
+};
 
-typedef struct _BC_REG_CONFIG{
+struct BC_REG_CONFIG{
 	uint32_t		DbgOptions;
-} BC_REG_CONFIG;
+};
 
 #if defined(__KERNEL__) || defined(__LINUX_USER__)
 #else
@@ -108,7 +106,7 @@ typedef struct _BC_REG_CONFIG{
  */
 
 /* To allow multiple apps to open the device. */
-enum _DtsDeviceOpenMode {
+enum DtsDeviceOpenMode {
 	DTS_PLAYBACK_MODE = 0,
 	DTS_DIAG_MODE,
 	DTS_MONITOR_MODE,
@@ -116,7 +114,7 @@ enum _DtsDeviceOpenMode {
 };
 
 /* To enable the filter to selectively enable/disable fixes or erratas */
-enum _DtsDeviceFixMode {
+enum DtsDeviceFixMode {
 	DTS_LOAD_NEW_FW		= BC_BIT(8),
 	DTS_LOAD_FILE_PLAY_FW	= BC_BIT(9),
 	DTS_DISK_FMT_BD		= BC_BIT(10),
@@ -133,7 +131,7 @@ enum _DtsDeviceFixMode {
 #define DTS_DFLT_CLOCK(x) (x<<19)
 
 /* F/W File Version corresponding to S/W Releases */
-enum _FW_FILE_VER {
+enum FW_FILE_VER {
 	/* S/W release: 02.04.02	F/W release 2.12.2.0 */
 	BC_FW_VER_020402 = ((12<<16) | (2<<8) | (0))
 };
@@ -141,7 +139,7 @@ enum _FW_FILE_VER {
 /*------------------------------------------------------*
  *    Stream Types for DtsOpenDecoder()			*
  *------------------------------------------------------*/
-enum _DtsOpenDecStreamTypes {
+enum DtsOpenDecStreamTypes {
 	BC_STREAM_TYPE_ES		= 0,
 	BC_STREAM_TYPE_PES		= 1,
 	BC_STREAM_TYPE_TS		= 2,
@@ -151,7 +149,7 @@ enum _DtsOpenDecStreamTypes {
 /*------------------------------------------------------*
  *    Video Algorithms for DtsSetVideoParams()		*
  *------------------------------------------------------*/
-enum _DtsSetVideoParamsAlgo {
+enum DtsSetVideoParamsAlgo {
 	BC_VID_ALGO_H264		= 0,
 	BC_VID_ALGO_MPEG2		= 1,
 	BC_VID_ALGO_VC1			= 4,
@@ -163,7 +161,7 @@ enum _DtsSetVideoParamsAlgo {
  *------------------------------------------------------*/
 #define BC_MPEG_VALID_PANSCAN		(1)
 
-typedef struct _BC_PIB_EXT_MPEG {
+struct BC_PIB_EXT_MPEG {
 	uint32_t	valid;
 	/* Always valid,  defaults to picture size if no
 	 * sequence display extension in the stream. */
@@ -175,8 +173,7 @@ typedef struct _BC_PIB_EXT_MPEG {
 	uint32_t	offset_count;
 	int32_t		horizontal_offset[3];
 	int32_t		vertical_offset[3];
-
-} BC_PIB_EXT_MPEG;
+};
 
 /*------------------------------------------------------*
  *    H.264 Extension to the PPB			*
@@ -186,7 +183,7 @@ typedef struct _BC_PIB_EXT_MPEG {
 #define H264_VALID_SPS_CROP		(2)
 #define H264_VALID_VUI			(4)
 
-typedef struct _BC_PIB_EXT_H264 {
+struct BC_PIB_EXT_H264 {
 	/* 'valid' specifies which fields (or sets of
 	 * fields) below are valid.  If the corresponding
 	 * bit in 'valid' is NOT set then that field(s)
@@ -209,15 +206,14 @@ typedef struct _BC_PIB_EXT_H264 {
 	/* H264_VALID_VUI */
 	uint32_t	chroma_top;
 	uint32_t	chroma_bottom;
-
-} BC_PIB_EXT_H264;
+};
 
 /*------------------------------------------------------*
  *    VC1 Extension to the PPB				*
  *------------------------------------------------------*/
 #define VC1_VALID_PANSCAN		(1)
 
-typedef struct _BC_PIB_EXT_VC1 {
+struct BC_PIB_EXT_VC1 {
 	uint32_t	valid;
 
 	/* Always valid, defaults to picture size if no
@@ -231,9 +227,7 @@ typedef struct _BC_PIB_EXT_VC1 {
 	int32_t		ps_vert_offset[4];
 	int32_t		ps_width[4];
 	int32_t		ps_height[4];
-
-} BC_PIB_EXT_VC1;
-
+};
 
 /*------------------------------------------------------*
  *    Picture Information Block				*
@@ -366,7 +360,7 @@ enum _BC_OUTPUT_FORMAT {
 	MODE422_UYVY			= 0x2,
 };
 
-typedef struct _BC_PIC_INFO_BLOCK {
+struct BC_PIC_INFO_BLOCK {
 	/* Common fields. */
 	uint64_t	timeStamp;	/* Timestamp */
 	uint32_t	picture_number;	/* Ordinal display number  */
@@ -386,18 +380,18 @@ typedef struct _BC_PIC_INFO_BLOCK {
 
 	/* Protocol-specific extensions. */
 	union {
-		BC_PIB_EXT_H264	h264;
-		BC_PIB_EXT_MPEG	mpeg;
-		BC_PIB_EXT_VC1	 vc1;
+		struct BC_PIB_EXT_H264	h264;
+		struct BC_PIB_EXT_MPEG	mpeg;
+		struct BC_PIB_EXT_VC1	 vc1;
 	} other;
 
-} BC_PIC_INFO_BLOCK, *PBC_PIC_INFO_BLOCK;
+};
 
 /*------------------------------------------------------*
  *    ProcOut Info					*
  *------------------------------------------------------*/
 /* Optional flags for ProcOut Interface.*/
-enum _POUT_OPTIONAL_IN_FLAGS_{
+enum POUT_OPTIONAL_IN_FLAGS_{
 	/* Flags from App to Device */
 	BC_POUT_FLAGS_YV12	  = 0x01,	/* Copy Data in YV12 format */
 	BC_POUT_FLAGS_STRIDE	  = 0x02,	/* Stride size is valid. */
@@ -412,17 +406,13 @@ enum _POUT_OPTIONAL_IN_FLAGS_{
 	BC_POUT_FLAGS_FLD_BOT	  = 0x80000,	/* Bottom Field data */
 };
 
-#if defined(__KERNEL__) || defined(__LINUX_USER__)
-typedef BC_STATUS(*dts_pout_callback)(void  *shnd, uint32_t width, uint32_t height, uint32_t stride, void *pOut);
-#else
-typedef BC_STATUS(*dts_pout_callback)(void  *shnd, uint32_t width, uint32_t height, uint32_t stride, struct _BC_DTS_PROC_OUT *pOut);
-#endif
+typedef enum BC_STATUS(*dts_pout_callback)(void  *shnd, uint32_t width, uint32_t height, uint32_t stride, void *pOut);
 
 /* Line 21 Closed Caption */
 /* User Data */
 #define MAX_UD_SIZE		1792	/* 1920 - 128 */
 
-typedef struct _BC_DTS_PROC_OUT {
+struct BC_DTS_PROC_OUT {
 	uint8_t		*Ybuff;			/* Caller Supplied buffer for Y data */
 	uint32_t	YbuffSz;		/* Caller Supplied Y buffer size */
 	uint32_t	YBuffDoneSz;		/* Transferred Y datasize */
@@ -436,7 +426,7 @@ typedef struct _BC_DTS_PROC_OUT {
 
 	uint32_t	discCnt;		/* Picture discontinuity count */
 
-	BC_PIC_INFO_BLOCK PicInfo;		/* Picture Information Block Data */
+	struct BC_PIC_INFO_BLOCK PicInfo;		/* Picture Information Block Data */
 
 	/* Line 21 Closed Caption */
 	/* User Data */
@@ -450,9 +440,9 @@ typedef struct _BC_DTS_PROC_OUT {
 	uint8_t		bPibEnc;		/* PIB encrypted */
 	uint8_t		bRevertScramble;
 
-} BC_DTS_PROC_OUT;
+};
 
-typedef struct _BC_DTS_STATUS {
+struct BC_DTS_STATUS {
 	uint8_t		ReadyListCount;	/* Number of frames in ready list (reported by driver) */
 	uint8_t		FreeListCount;	/* Number of frame buffers free.  (reported by driver) */
 	uint8_t		PowerStateChange; /* Number of active state power transitions (reported by driver) */
@@ -479,7 +469,7 @@ typedef struct _BC_DTS_STATUS {
 					 * back from the driver */
 	uint8_t		reserved__[16];
 
-} BC_DTS_STATUS;
+};
 
 #define BC_SWAP32(_v)			\
 	((((_v) & 0xFF000000)>>24)|	\
diff --git a/drivers/staging/crystalhd/bc_dts_glob_lnx.h b/drivers/staging/crystalhd/bc_dts_glob_lnx.h
index 0fd34e20dc8..80b7a73a9d4 100644
--- a/drivers/staging/crystalhd/bc_dts_glob_lnx.h
+++ b/drivers/staging/crystalhd/bc_dts_glob_lnx.h
@@ -58,7 +58,7 @@
  * These are SW stack tunable parameters shared
  * between the driver and the application.
  */
-enum _BC_DTS_GLOBALS {
+enum BC_DTS_GLOBALS {
 	BC_MAX_FW_CMD_BUFF_SZ	= 0x40,		/* FW passthrough cmd/rsp buffer size */
 	PCI_CFG_SIZE		= 256,		/* PCI config size buffer */
 	BC_IOCTL_DATA_POOL_SIZE	= 8,		/* BC_IOCTL_DATA Pool size */
@@ -70,62 +70,62 @@ enum _BC_DTS_GLOBALS {
 	BC_INFIFO_THRESHOLD	= 0x10000,
 };
 
-typedef struct _BC_CMD_REG_ACC {
+struct BC_CMD_REG_ACC {
 	uint32_t		Offset;
 	uint32_t		Value;
-} BC_CMD_REG_ACC;
+};
 
-typedef struct _BC_CMD_DEV_MEM {
+struct BC_CMD_DEV_MEM {
 	uint32_t		StartOff;
 	uint32_t		NumDwords;
 	uint32_t		Rsrd;
-} BC_CMD_DEV_MEM;
+};
 
 /* FW Passthrough command structure */
-enum _bc_fw_cmd_flags {
+enum bc_fw_cmd_flags {
 	BC_FW_CMD_FLAGS_NONE	= 0,
 	BC_FW_CMD_PIB_QS	= 0x01,
 };
 
-typedef struct _BC_FW_CMD {
+struct BC_FW_CMD {
 	uint32_t		cmd[BC_MAX_FW_CMD_BUFF_SZ];
 	uint32_t		rsp[BC_MAX_FW_CMD_BUFF_SZ];
 	uint32_t		flags;
 	uint32_t		add_data;
-} BC_FW_CMD, *PBC_FW_CMD;
+};
 
-typedef struct _BC_HW_TYPE {
+struct BC_HW_TYPE {
 	uint16_t		PciDevId;
 	uint16_t		PciVenId;
 	uint8_t			HwRev;
 	uint8_t			Align[3];
-} BC_HW_TYPE;
+};
 
-typedef struct _BC_PCI_CFG {
+struct BC_PCI_CFG {
 	uint32_t		Size;
 	uint32_t		Offset;
 	uint8_t			pci_cfg_space[PCI_CFG_SIZE];
-} BC_PCI_CFG;
+};
 
-typedef struct _BC_VERSION_INFO_ {
+struct BC_VERSION_INFO {
 	uint8_t			DriverMajor;
 	uint8_t			DriverMinor;
 	uint16_t		DriverRevision;
-} BC_VERSION_INFO;
+};
 
-typedef struct _BC_START_RX_CAP_ {
+struct BC_START_RX_CAP {
 	uint32_t		Rsrd;
 	uint32_t		StartDeliveryThsh;
 	uint32_t		PauseThsh;
 	uint32_t		ResumeThsh;
-} BC_START_RX_CAP;
+};
 
-typedef struct _BC_FLUSH_RX_CAP_ {
+struct BC_FLUSH_RX_CAP {
 	uint32_t		Rsrd;
 	uint32_t		bDiscardOnly;
-} BC_FLUSH_RX_CAP;
+};
 
-typedef struct _BC_DTS_STATS {
+struct BC_DTS_STATS {
 	uint8_t			drvRLL;
 	uint8_t			drvFLL;
 	uint8_t			eosDetected;
@@ -154,18 +154,18 @@ typedef struct _BC_DTS_STATS {
 	uint32_t		DrvRepeatedFrms;
 	uint32_t		res1[13];
 
-} BC_DTS_STATS;
+};
 
-typedef struct _BC_PROC_INPUT_ {
+struct BC_PROC_INPUT {
 	uint8_t			*pDmaBuff;
 	uint32_t		BuffSz;
 	uint8_t			Mapped;
 	uint8_t			Encrypted;
 	uint8_t			Rsrd[2];
 	uint32_t		DramOffset;	/* For debug use only */
-} BC_PROC_INPUT, *PBC_PROC_INPUT;
+};
 
-typedef struct _BC_DEC_YUV_BUFFS {
+struct BC_DEC_YUV_BUFFS {
 	uint32_t		b422Mode;
 	uint8_t			*YuvBuff;
 	uint32_t		YuvBuffSz;
@@ -173,9 +173,9 @@ typedef struct _BC_DEC_YUV_BUFFS {
 	uint32_t		YBuffDoneSz;
 	uint32_t		UVBuffDoneSz;
 	uint32_t		RefCnt;
-} BC_DEC_YUV_BUFFS;
+};
 
-enum _DECOUT_COMPLETION_FLAGS{
+enum DECOUT_COMPLETION_FLAGS{
 	COMP_FLAG_NO_INFO	= 0x00,
 	COMP_FLAG_FMT_CHANGE	= 0x01,
 	COMP_FLAG_PIB_VALID	= 0x02,
@@ -184,47 +184,47 @@ enum _DECOUT_COMPLETION_FLAGS{
 	COMP_FLAG_DATA_BOT	= 0x10,
 };
 
-typedef struct _BC_DEC_OUT_BUFF{
-	BC_DEC_YUV_BUFFS	OutPutBuffs;
-	BC_PIC_INFO_BLOCK	PibInfo;
+struct BC_DEC_OUT_BUFF{
+	struct BC_DEC_YUV_BUFFS	OutPutBuffs;
+	struct BC_PIC_INFO_BLOCK PibInfo;
 	uint32_t		Flags;
 	uint32_t		BadFrCnt;
-} BC_DEC_OUT_BUFF;
+};
 
-typedef struct _BC_NOTIFY_MODE {
+struct BC_NOTIFY_MODE {
 	uint32_t		Mode;
 	uint32_t		Rsvr[3];
-} BC_NOTIFY_MODE;
+};
 
-typedef struct _BC_CLOCK {
+struct BC_CLOCK {
 	uint32_t		clk;
 	uint32_t		Rsvr[3];
-} BC_CLOCK;
+};
 
-typedef struct _BC_IOCTL_DATA {
-	BC_STATUS		RetSts;
+struct BC_IOCTL_DATA {
+	enum BC_STATUS		RetSts;
 	uint32_t		IoctlDataSz;
 	uint32_t		Timeout;
 	union {
-		BC_CMD_REG_ACC		regAcc;
-		BC_CMD_DEV_MEM		devMem;
-		BC_FW_CMD		fwCmd;
-		BC_HW_TYPE		hwType;
-		BC_PCI_CFG		pciCfg;
-		BC_VERSION_INFO		VerInfo;
-		BC_PROC_INPUT		ProcInput;
-		BC_DEC_YUV_BUFFS	RxBuffs;
-		BC_DEC_OUT_BUFF		DecOutData;
-		BC_START_RX_CAP		RxCap;
-		BC_FLUSH_RX_CAP		FlushRxCap;
-		BC_DTS_STATS		drvStat;
-		BC_NOTIFY_MODE		NotifyMode;
-		BC_CLOCK			clockValue;
+		struct BC_CMD_REG_ACC	regAcc;
+		struct BC_CMD_DEV_MEM	devMem;
+		struct BC_FW_CMD	fwCmd;
+		struct BC_HW_TYPE	hwType;
+		struct BC_PCI_CFG	pciCfg;
+		struct BC_VERSION_INFO	VerInfo;
+		struct BC_PROC_INPUT	ProcInput;
+		struct BC_DEC_YUV_BUFFS	RxBuffs;
+		struct BC_DEC_OUT_BUFF	DecOutData;
+		struct BC_START_RX_CAP	RxCap;
+		struct BC_FLUSH_RX_CAP	FlushRxCap;
+		struct BC_DTS_STATS	drvStat;
+		struct BC_NOTIFY_MODE	NotifyMode;
+		struct BC_CLOCK		clockValue;
 	} u;
 	struct _BC_IOCTL_DATA	*next;
-} BC_IOCTL_DATA;
+};
 
-typedef enum _BC_DRV_CMD{
+enum BC_DRV_CMD {
 	DRV_CMD_VERSION = 0,	/* Get SW version */
 	DRV_CMD_GET_HWTYPE,	/* Get HW version and type Dozer/Tank */
 	DRV_CMD_REG_RD,		/* Read Device Register */
@@ -249,12 +249,12 @@ typedef enum _BC_DRV_CMD{
 
 	/* MUST be the last one.. */
 	DRV_CMD_END,			/* End of the List.. */
-} BC_DRV_CMD;
+};
 
 #define BC_IOC_BASE		'b'
 #define BC_IOC_VOID		_IOC_NONE
 #define BC_IOC_IOWR(nr, type)	_IOWR(BC_IOC_BASE, nr, type)
-#define BC_IOCTL_MB		BC_IOCTL_DATA
+#define BC_IOCTL_MB		struct BC_IOCTL_DATA
 
 #define	BCM_IOC_GET_VERSION	BC_IOC_IOWR(DRV_CMD_VERSION, BC_IOCTL_MB)
 #define	BCM_IOC_GET_HWTYPE	BC_IOC_IOWR(DRV_CMD_GET_HWTYPE, BC_IOCTL_MB)
@@ -280,17 +280,16 @@ typedef enum _BC_DRV_CMD{
 #define	BCM_IOC_END		BC_IOC_VOID
 
 /* Wrapper for main IOCTL data */
-typedef struct _crystalhd_ioctl_data {
-	BC_IOCTL_DATA		udata;		/* IOCTL from App..*/
+struct crystalhd_ioctl_data {
+	struct BC_IOCTL_DATA	udata;		/* IOCTL from App..*/
 	uint32_t		u_id;		/* Driver specific user ID */
 	uint32_t		cmd;		/* Cmd ID for driver's use. */
 	void			*add_cdata;	/* Additional command specific data..*/
 	uint32_t		add_cdata_sz;	/* Additional command specific data size */
-	struct _crystalhd_ioctl_data *next;	/* List/Fifo management */
-} crystalhd_ioctl_data;
+	struct crystalhd_ioctl_data *next;	/* List/Fifo management */
+};
 
-
-enum _crystalhd_kmod_ver{
+enum crystalhd_kmod_ver{
 	crystalhd_kmod_major	= 0,
 	crystalhd_kmod_minor	= 9,
 	crystalhd_kmod_rev	= 27,
diff --git a/drivers/staging/crystalhd/crystalhd_cmds.c b/drivers/staging/crystalhd/crystalhd_cmds.c
index 1a7ca8ba7f8..1429608544d 100644
--- a/drivers/staging/crystalhd/crystalhd_cmds.c
+++ b/drivers/staging/crystalhd/crystalhd_cmds.c
@@ -69,8 +69,8 @@ static void bc_cproc_mark_pwr_state(struct crystalhd_cmd *ctx)
 	}
 }
 
-static BC_STATUS bc_cproc_notify_mode(struct crystalhd_cmd *ctx,
-				      crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_notify_mode(struct crystalhd_cmd *ctx,
+				      struct crystalhd_ioctl_data *idata)
 {
 	int rc = 0, i = 0;
 
@@ -111,8 +111,8 @@ static BC_STATUS bc_cproc_notify_mode(struct crystalhd_cmd *ctx,
 	return crystalhd_hw_setup_dma_rings(&ctx->hw_ctx);
 }
 
-static BC_STATUS bc_cproc_get_version(struct crystalhd_cmd *ctx,
-				      crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_get_version(struct crystalhd_cmd *ctx,
+				      struct crystalhd_ioctl_data *idata)
 {
 
 	if (!ctx || !idata) {
@@ -126,7 +126,8 @@ static BC_STATUS bc_cproc_get_version(struct crystalhd_cmd *ctx,
 }
 
 
-static BC_STATUS bc_cproc_get_hwtype(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_get_hwtype(struct crystalhd_cmd *ctx,
+					struct crystalhd_ioctl_data *idata)
 {
 	if (!ctx || !idata) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -143,8 +144,8 @@ static BC_STATUS bc_cproc_get_hwtype(struct crystalhd_cmd *ctx, crystalhd_ioctl_
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_reg_rd(struct crystalhd_cmd *ctx,
-				 crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_reg_rd(struct crystalhd_cmd *ctx,
+				 struct crystalhd_ioctl_data *idata)
 {
 	if (!ctx || !idata)
 		return BC_STS_INV_ARG;
@@ -153,8 +154,8 @@ static BC_STATUS bc_cproc_reg_rd(struct crystalhd_cmd *ctx,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_reg_wr(struct crystalhd_cmd *ctx,
-				 crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_reg_wr(struct crystalhd_cmd *ctx,
+				 struct crystalhd_ioctl_data *idata)
 {
 	if (!ctx || !idata)
 		return BC_STS_INV_ARG;
@@ -165,8 +166,8 @@ static BC_STATUS bc_cproc_reg_wr(struct crystalhd_cmd *ctx,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_link_reg_rd(struct crystalhd_cmd *ctx,
-				      crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_link_reg_rd(struct crystalhd_cmd *ctx,
+				      struct crystalhd_ioctl_data *idata)
 {
 	if (!ctx || !idata)
 		return BC_STS_INV_ARG;
@@ -176,8 +177,8 @@ static BC_STATUS bc_cproc_link_reg_rd(struct crystalhd_cmd *ctx,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_link_reg_wr(struct crystalhd_cmd *ctx,
-				      crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_link_reg_wr(struct crystalhd_cmd *ctx,
+				      struct crystalhd_ioctl_data *idata)
 {
 	if (!ctx || !idata)
 		return BC_STS_INV_ARG;
@@ -188,10 +189,10 @@ static BC_STATUS bc_cproc_link_reg_wr(struct crystalhd_cmd *ctx,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_mem_rd(struct crystalhd_cmd *ctx,
-				 crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_mem_rd(struct crystalhd_cmd *ctx,
+				 struct crystalhd_ioctl_data *idata)
 {
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	if (!ctx || !idata || !idata->add_cdata)
 		return BC_STS_INV_ARG;
@@ -207,10 +208,10 @@ static BC_STATUS bc_cproc_mem_rd(struct crystalhd_cmd *ctx,
 
 }
 
-static BC_STATUS bc_cproc_mem_wr(struct crystalhd_cmd *ctx,
-				 crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_mem_wr(struct crystalhd_cmd *ctx,
+				 struct crystalhd_ioctl_data *idata)
 {
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	if (!ctx || !idata || !idata->add_cdata)
 		return BC_STS_INV_ARG;
@@ -226,11 +227,11 @@ static BC_STATUS bc_cproc_mem_wr(struct crystalhd_cmd *ctx,
 	return sts;
 }
 
-static BC_STATUS bc_cproc_cfg_rd(struct crystalhd_cmd *ctx,
-				 crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_cfg_rd(struct crystalhd_cmd *ctx,
+				 struct crystalhd_ioctl_data *idata)
 {
 	uint32_t ix, cnt, off, len;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 	uint32_t *temp;
 
 	if (!ctx || !idata)
@@ -258,11 +259,11 @@ static BC_STATUS bc_cproc_cfg_rd(struct crystalhd_cmd *ctx,
 	return sts;
 }
 
-static BC_STATUS bc_cproc_cfg_wr(struct crystalhd_cmd *ctx,
-				 crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_cfg_wr(struct crystalhd_cmd *ctx,
+				 struct crystalhd_ioctl_data *idata)
 {
 	uint32_t ix, cnt, off, len;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 	uint32_t *temp;
 
 	if (!ctx || !idata)
@@ -290,10 +291,10 @@ static BC_STATUS bc_cproc_cfg_wr(struct crystalhd_cmd *ctx,
 	return sts;
 }
 
-static BC_STATUS bc_cproc_download_fw(struct crystalhd_cmd *ctx,
-				      crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_download_fw(struct crystalhd_cmd *ctx,
+				      struct crystalhd_ioctl_data *idata)
 {
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	if (!ctx || !idata || !idata->add_cdata || !idata->add_cdata_sz) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -329,9 +330,10 @@ static BC_STATUS bc_cproc_download_fw(struct crystalhd_cmd *ctx,
  *	Abort pending input transfers and issue decoder flush command.
  *
  */
-static BC_STATUS bc_cproc_do_fw_cmd(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_do_fw_cmd(struct crystalhd_cmd *ctx,
+					struct crystalhd_ioctl_data *idata)
 {
-	BC_STATUS sts;
+	enum BC_STATUS sts;
 	uint32_t *cmd;
 
 	if (!(ctx->state & BC_LINK_INIT)) {
@@ -371,8 +373,8 @@ static BC_STATUS bc_cproc_do_fw_cmd(struct crystalhd_cmd *ctx, crystalhd_ioctl_d
 	return sts;
 }
 
-static void bc_proc_in_completion(crystalhd_dio_req *dio_hnd,
-				  wait_queue_head_t *event, BC_STATUS sts)
+static void bc_proc_in_completion(struct crystalhd_dio_req *dio_hnd,
+				  wait_queue_head_t *event, enum BC_STATUS sts)
 {
 	if (!dio_hnd || !event) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -386,7 +388,7 @@ static void bc_proc_in_completion(crystalhd_dio_req *dio_hnd,
 	crystalhd_set_event(event);
 }
 
-static BC_STATUS bc_cproc_codein_sleep(struct crystalhd_cmd *ctx)
+static enum BC_STATUS bc_cproc_codein_sleep(struct crystalhd_cmd *ctx)
 {
 	wait_queue_head_t sleep_ev;
 	int rc = 0;
@@ -406,12 +408,12 @@ static BC_STATUS bc_cproc_codein_sleep(struct crystalhd_cmd *ctx)
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_hw_txdma(struct crystalhd_cmd *ctx,
-				   crystalhd_ioctl_data *idata,
-				   crystalhd_dio_req *dio)
+static enum BC_STATUS bc_cproc_hw_txdma(struct crystalhd_cmd *ctx,
+				   struct crystalhd_ioctl_data *idata,
+				   struct crystalhd_dio_req *dio)
 {
 	uint32_t tx_listid = 0;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 	wait_queue_head_t event;
 	int rc = 0;
 
@@ -471,7 +473,7 @@ static BC_STATUS bc_cproc_hw_txdma(struct crystalhd_cmd *ctx,
 }
 
 /* Helper function to check on user buffers */
-static BC_STATUS bc_cproc_check_inbuffs(bool pin, void *ubuff, uint32_t ub_sz,
+static enum BC_STATUS bc_cproc_check_inbuffs(bool pin, void *ubuff, uint32_t ub_sz,
 					uint32_t uv_off, bool en_422)
 {
 	if (!ubuff || !ub_sz) {
@@ -502,12 +504,13 @@ static BC_STATUS bc_cproc_check_inbuffs(bool pin, void *ubuff, uint32_t ub_sz,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_proc_input(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_proc_input(struct crystalhd_cmd *ctx,
+					struct crystalhd_ioctl_data *idata)
 {
 	void *ubuff;
 	uint32_t ub_sz;
-	crystalhd_dio_req *dio_hnd = NULL;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	struct crystalhd_dio_req *dio_hnd = NULL;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	if (!ctx || !idata) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -537,14 +540,14 @@ static BC_STATUS bc_cproc_proc_input(struct crystalhd_cmd *ctx, crystalhd_ioctl_
 	return sts;
 }
 
-static BC_STATUS bc_cproc_add_cap_buff(struct crystalhd_cmd *ctx,
-				       crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_add_cap_buff(struct crystalhd_cmd *ctx,
+				       struct crystalhd_ioctl_data *idata)
 {
 	void *ubuff;
 	uint32_t ub_sz, uv_off;
 	bool en_422;
-	crystalhd_dio_req *dio_hnd = NULL;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	struct crystalhd_dio_req *dio_hnd = NULL;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	if (!ctx || !idata) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -579,10 +582,10 @@ static BC_STATUS bc_cproc_add_cap_buff(struct crystalhd_cmd *ctx,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_fmt_change(struct crystalhd_cmd *ctx,
-				     crystalhd_dio_req *dio)
+static enum BC_STATUS bc_cproc_fmt_change(struct crystalhd_cmd *ctx,
+				     struct crystalhd_dio_req *dio)
 {
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	sts = crystalhd_hw_add_cap_buffer(&ctx->hw_ctx, dio, 0);
 	if (sts != BC_STS_SUCCESS)
@@ -595,12 +598,12 @@ static BC_STATUS bc_cproc_fmt_change(struct crystalhd_cmd *ctx,
 	return sts;
 }
 
-static BC_STATUS bc_cproc_fetch_frame(struct crystalhd_cmd *ctx,
-				      crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_fetch_frame(struct crystalhd_cmd *ctx,
+				      struct crystalhd_ioctl_data *idata)
 {
-	crystalhd_dio_req *dio = NULL;
-	BC_STATUS sts = BC_STS_SUCCESS;
-	BC_DEC_OUT_BUFF *frame;
+	struct crystalhd_dio_req *dio = NULL;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
+	struct BC_DEC_OUT_BUFF *frame;
 
 	if (!ctx || !idata) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -636,8 +639,8 @@ static BC_STATUS bc_cproc_fetch_frame(struct crystalhd_cmd *ctx,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_start_capture(struct crystalhd_cmd *ctx,
-					crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_start_capture(struct crystalhd_cmd *ctx,
+					struct crystalhd_ioctl_data *idata)
 {
 	ctx->state |= BC_LINK_CAP_EN;
 	if (ctx->state == BC_LINK_READY)
@@ -646,12 +649,12 @@ static BC_STATUS bc_cproc_start_capture(struct crystalhd_cmd *ctx,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_flush_cap_buffs(struct crystalhd_cmd *ctx,
-					  crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_flush_cap_buffs(struct crystalhd_cmd *ctx,
+					  struct crystalhd_ioctl_data *idata)
 {
-	crystalhd_dio_req *dio = NULL;
-	BC_STATUS sts = BC_STS_SUCCESS;
-	BC_DEC_OUT_BUFF *frame;
+	struct crystalhd_dio_req *dio = NULL;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
+	struct BC_DEC_OUT_BUFF *frame;
 	uint32_t count;
 
 	if (!ctx || !idata) {
@@ -681,10 +684,10 @@ static BC_STATUS bc_cproc_flush_cap_buffs(struct crystalhd_cmd *ctx,
 	return crystalhd_hw_stop_capture(&ctx->hw_ctx);
 }
 
-static BC_STATUS bc_cproc_get_stats(struct crystalhd_cmd *ctx,
-				    crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_get_stats(struct crystalhd_cmd *ctx,
+				    struct crystalhd_ioctl_data *idata)
 {
-	BC_DTS_STATS *stats;
+	struct BC_DTS_STATS *stats;
 	struct crystalhd_hw_stats	hw_stats;
 
 	if (!ctx || !idata) {
@@ -713,20 +716,20 @@ static BC_STATUS bc_cproc_get_stats(struct crystalhd_cmd *ctx,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_reset_stats(struct crystalhd_cmd *ctx,
-				      crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_reset_stats(struct crystalhd_cmd *ctx,
+				      struct crystalhd_ioctl_data *idata)
 {
 	crystalhd_hw_stats(&ctx->hw_ctx, NULL);
 
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS bc_cproc_chg_clk(struct crystalhd_cmd *ctx,
-				  crystalhd_ioctl_data *idata)
+static enum BC_STATUS bc_cproc_chg_clk(struct crystalhd_cmd *ctx,
+				  struct crystalhd_ioctl_data *idata)
 {
-	BC_CLOCK *clock;
+	struct BC_CLOCK *clock;
 	uint32_t oldClk;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	if (!ctx || !idata) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -749,7 +752,7 @@ static BC_STATUS bc_cproc_chg_clk(struct crystalhd_cmd *ctx,
 }
 
 /*=============== Cmd Proc Table.. ======================================*/
-static const crystalhd_cmd_tbl_t	g_crystalhd_cproc_tbl[] = {
+static const struct crystalhd_cmd_tbl	g_crystalhd_cproc_tbl[] = {
 	{ BCM_IOC_GET_VERSION,		bc_cproc_get_version,	0},
 	{ BCM_IOC_GET_HWTYPE,		bc_cproc_get_hwtype,	0},
 	{ BCM_IOC_REG_RD,		bc_cproc_reg_rd,	0},
@@ -796,9 +799,10 @@ static const crystalhd_cmd_tbl_t	g_crystalhd_cproc_tbl[] = {
  * we pass on the power mangement notification to our plug-in by completing
  * all outstanding requests with BC_STS_IO_USER_ABORT return code.
  */
-BC_STATUS crystalhd_suspend(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata)
+enum BC_STATUS crystalhd_suspend(struct crystalhd_cmd *ctx,
+				struct crystalhd_ioctl_data *idata)
 {
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	if (!ctx || !idata) {
 		BCMLOG_ERR("Invalid Parameters\n");
@@ -854,7 +858,7 @@ BC_STATUS crystalhd_suspend(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *ida
  * start a new playback session from the pre-suspend clip position.
  *
  */
-BC_STATUS crystalhd_resume(struct crystalhd_cmd *ctx)
+enum BC_STATUS crystalhd_resume(struct crystalhd_cmd *ctx)
 {
 	BCMLOG(BCMLOG_DBG, "crystalhd_resume Success %x\n", ctx->state);
 
@@ -875,7 +879,7 @@ BC_STATUS crystalhd_resume(struct crystalhd_cmd *ctx)
  * application specific resources. HW layer initialization
  * is done for the first open request.
  */
-BC_STATUS crystalhd_user_open(struct crystalhd_cmd *ctx,
+enum BC_STATUS crystalhd_user_open(struct crystalhd_cmd *ctx,
 			    struct crystalhd_user **user_ctx)
 {
 	struct crystalhd_user *uc;
@@ -913,7 +917,7 @@ BC_STATUS crystalhd_user_open(struct crystalhd_cmd *ctx,
  * Closer aplication handle and release app specific
  * resources.
  */
-BC_STATUS crystalhd_user_close(struct crystalhd_cmd *ctx, struct crystalhd_user *uc)
+enum BC_STATUS crystalhd_user_close(struct crystalhd_cmd *ctx, struct crystalhd_user *uc)
 {
 	uint32_t mode = uc->mode;
 
@@ -948,7 +952,7 @@ BC_STATUS crystalhd_user_close(struct crystalhd_cmd *ctx, struct crystalhd_user
  *
  * Called at the time of driver load.
  */
-BC_STATUS __devinit crystalhd_setup_cmd_context(struct crystalhd_cmd *ctx,
+enum BC_STATUS __devinit crystalhd_setup_cmd_context(struct crystalhd_cmd *ctx,
 				    struct crystalhd_adp *adp)
 {
 	int i = 0;
@@ -983,7 +987,7 @@ BC_STATUS __devinit crystalhd_setup_cmd_context(struct crystalhd_cmd *ctx,
  *
  * Called at the time of driver un-load.
  */
-BC_STATUS __devexit crystalhd_delete_cmd_context(struct crystalhd_cmd *ctx)
+enum BC_STATUS __devexit crystalhd_delete_cmd_context(struct crystalhd_cmd *ctx)
 {
 	BCMLOG(BCMLOG_DBG, "Deleting Command context..\n");
 
@@ -1021,7 +1025,7 @@ crystalhd_cmd_proc crystalhd_get_cmd_proc(struct crystalhd_cmd *ctx, uint32_t cm
 		return NULL;
 	}
 
-	tbl_sz = sizeof(g_crystalhd_cproc_tbl) / sizeof(crystalhd_cmd_tbl_t);
+	tbl_sz = sizeof(g_crystalhd_cproc_tbl) / sizeof(struct crystalhd_cmd_tbl);
 	for (i = 0; i < tbl_sz; i++) {
 		if (g_crystalhd_cproc_tbl[i].cmd_id == cmd) {
 			if ((uc->mode == DTS_MONITOR_MODE) &&
diff --git a/drivers/staging/crystalhd/crystalhd_cmds.h b/drivers/staging/crystalhd/crystalhd_cmds.h
index 9989038b5c1..10130296601 100644
--- a/drivers/staging/crystalhd/crystalhd_cmds.h
+++ b/drivers/staging/crystalhd/crystalhd_cmds.h
@@ -36,7 +36,7 @@
 #include "crystalhd_misc.h"
 #include "crystalhd_hw.h"
 
-enum _crystalhd_state{
+enum crystalhd_state{
 	BC_LINK_INVALID		= 0x00,
 	BC_LINK_INIT		= 0x01,
 	BC_LINK_CAP_EN		= 0x02,
@@ -66,23 +66,22 @@ struct crystalhd_cmd {
 	struct crystalhd_hw	hw_ctx;
 };
 
-typedef BC_STATUS(*crystalhd_cmd_proc)(struct crystalhd_cmd *, crystalhd_ioctl_data *);
+typedef enum BC_STATUS(*crystalhd_cmd_proc)(struct crystalhd_cmd *, struct crystalhd_ioctl_data *);
 
-typedef struct _crystalhd_cmd_tbl {
+struct crystalhd_cmd_tbl {
 	uint32_t		cmd_id;
 	const crystalhd_cmd_proc	cmd_proc;
 	uint32_t		block_mon;
-} crystalhd_cmd_tbl_t;
+};
 
-
-BC_STATUS crystalhd_suspend(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata);
-BC_STATUS crystalhd_resume(struct crystalhd_cmd *ctx);
+enum BC_STATUS crystalhd_suspend(struct crystalhd_cmd *ctx, struct crystalhd_ioctl_data *idata);
+enum BC_STATUS crystalhd_resume(struct crystalhd_cmd *ctx);
 crystalhd_cmd_proc crystalhd_get_cmd_proc(struct crystalhd_cmd *ctx, uint32_t cmd,
 				      struct crystalhd_user *uc);
-BC_STATUS crystalhd_user_open(struct crystalhd_cmd *ctx, struct crystalhd_user **user_ctx);
-BC_STATUS crystalhd_user_close(struct crystalhd_cmd *ctx, struct crystalhd_user *uc);
-BC_STATUS crystalhd_setup_cmd_context(struct crystalhd_cmd *ctx, struct crystalhd_adp *adp);
-BC_STATUS crystalhd_delete_cmd_context(struct crystalhd_cmd *ctx);
+enum BC_STATUS crystalhd_user_open(struct crystalhd_cmd *ctx, struct crystalhd_user **user_ctx);
+enum BC_STATUS crystalhd_user_close(struct crystalhd_cmd *ctx, struct crystalhd_user *uc);
+enum BC_STATUS crystalhd_setup_cmd_context(struct crystalhd_cmd *ctx, struct crystalhd_adp *adp);
+enum BC_STATUS crystalhd_delete_cmd_context(struct crystalhd_cmd *ctx);
 bool crystalhd_cmd_interrupt(struct crystalhd_cmd *ctx);
 
 #endif
diff --git a/drivers/staging/crystalhd/crystalhd_fw_if.h b/drivers/staging/crystalhd/crystalhd_fw_if.h
index 261cd19a0ee..77560d4b680 100644
--- a/drivers/staging/crystalhd/crystalhd_fw_if.h
+++ b/drivers/staging/crystalhd/crystalhd_fw_if.h
@@ -29,21 +29,17 @@
 
 /* TBD: Pull in only required defs into this file.. */
 
-
-
 /* User Data Header */
-typedef struct user_data {
+struct user_data {
    struct user_data	*next;
    uint32_t		type;
    uint32_t		size;
-} UD_HDR;
-
-
+};
 
 /*------------------------------------------------------*
  *    MPEG Extension to the PPB			 *
  *------------------------------------------------------*/
-typedef struct {
+struct ppb_mpeg {
    uint32_t		to_be_defined;
    uint32_t		valid;
 
@@ -61,15 +57,15 @@ typedef struct {
    /* MPEG_VALID_USERDATA
       User data is in the form of a linked list. */
    int32_t		userDataSize;
-   UD_HDR		*userData;
+   struct user_data	*userData;
 
-} PPB_MPEG;
+};
 
 
 /*------------------------------------------------------*
  *    VC1 Extension to the PPB			  *
  *------------------------------------------------------*/
-typedef struct {
+struct ppb_vc1 {
    uint32_t		to_be_defined;
    uint32_t		valid;
 
@@ -88,9 +84,9 @@ typedef struct {
    /* VC1_VALID_USERDATA
       User data is in the form of a linked list. */
    int32_t		userDataSize;
-   UD_HDR		*userData;
+   struct user_data	*userData;
 
-} PPB_VC1;
+};
 
 /*------------------------------------------------------*
  *    H.264 Extension to the PPB			*
@@ -108,8 +104,8 @@ typedef struct {
 /* maximum number of intervals(as many as 256 intervals?) */
 #define MAX_FGT_VALUE_INTERVAL	(256)
 
-typedef struct FGT_SEI {
-    struct FGT_SEI *next;
+struct fgt_sei {
+    struct fgt_sei *next;
     unsigned char model_values[3][MAX_FGT_VALUE_INTERVAL][MAX_FGT_MODEL_VALUE];
     unsigned char upper_bound[3][MAX_FGT_VALUE_INTERVAL];
     unsigned char lower_bound[3][MAX_FGT_VALUE_INTERVAL];
@@ -134,9 +130,9 @@ typedef struct FGT_SEI {
     unsigned char num_model_values[3];	/* Number of model values. */
     uint16_t      repetition_period;	/* Repetition period (0-16384) */
 
-} FGT_SEI;
+};
 
-typedef struct {
+struct ppb_h264 {
    /* 'valid' specifies which fields (or sets of
     * fields) below are valid.  If the corresponding
     * bit in 'valid' is NOT set then that field(s)
@@ -170,14 +166,14 @@ typedef struct {
 
    /* H264_VALID_USER */
    uint32_t		user_data_size;
-   UD_HDR		*user_data;
+   struct user_data	*user_data;
 
    /* H264 VALID FGT */
-   FGT_SEI		*pfgt;
+   struct fgt_sei	*pfgt;
 
-} PPB_H264;
+};
 
-typedef struct {
+struct ppb {
    /* Common fields. */
    uint32_t	picture_number;	/* Ordinal display number */
    uint32_t	video_buffer;	/* Video (picbuf) number */
@@ -215,14 +211,14 @@ typedef struct {
 
    /* Protocol-specific extensions. */
    union {
-      PPB_H264	h264;
-      PPB_MPEG	mpeg;
-      PPB_VC1	 vc1;
+      struct ppb_h264	h264;
+      struct ppb_mpeg	mpeg;
+      struct ppb_vc1	 vc1;
    } other;
 
-} PPB;
+};
 
-typedef struct {
+struct c011_pib {
    uint32_t	bFormatChange;
    uint32_t	resolution;
    uint32_t	channelId;
@@ -231,13 +227,11 @@ typedef struct {
    uint32_t	zeroPanscanValid;
    uint32_t	dramOutBufAddr;
    uint32_t	yComponent;
-   PPB			ppb;
+   struct ppb	ppb;
 
-} C011_PIB;
+};
 
-
-
-typedef struct {
+struct dec_rsp_channel_start_video {
     uint32_t	command;
     uint32_t	sequence;
     uint32_t	status;
@@ -251,12 +245,12 @@ typedef struct {
     uint32_t	transportStreamCaptureAddr;
     uint32_t	asyncEventQ;
 
-} DecRspChannelStartVideo;
+};
 
 #define eCMD_C011_CMD_BASE	  (0x73763000)
 
 /* host commands */
-typedef enum {
+enum  c011_ts_cmd {
     eCMD_TS_GET_NEXT_PIC	= 0x7376F100, /* debug get next picture */
     eCMD_TS_GET_LAST_PIC	= 0x7376F102, /* debug get last pic status */
     eCMD_TS_READ_WRITE_MEM	= 0x7376F104, /* debug read write memory */
@@ -364,6 +358,6 @@ typedef enum {
 
     eNOTIFY_C011_ENC_CHAN_EVENT		= eCMD_C011_CMD_BASE + 0x210,
 
-} eC011_TS_CMD;
+};
 
 #endif
diff --git a/drivers/staging/crystalhd/crystalhd_hw.c b/drivers/staging/crystalhd/crystalhd_hw.c
index 56d1e42bbad..f63185790c4 100644
--- a/drivers/staging/crystalhd/crystalhd_hw.c
+++ b/drivers/staging/crystalhd/crystalhd_hw.c
@@ -61,8 +61,8 @@ static void crystalhd_start_dram(struct crystalhd_adp *adp)
 
 static bool crystalhd_bring_out_of_rst(struct crystalhd_adp *adp)
 {
-	link_misc_perst_deco_ctrl rst_deco_cntrl;
-	link_misc_perst_clk_ctrl rst_clk_cntrl;
+	union link_misc_perst_deco_ctrl rst_deco_cntrl;
+	union link_misc_perst_clk_ctrl rst_clk_cntrl;
 	uint32_t temp;
 
 	/*
@@ -122,8 +122,8 @@ static bool crystalhd_bring_out_of_rst(struct crystalhd_adp *adp)
 
 static bool crystalhd_put_in_reset(struct crystalhd_adp *adp)
 {
-	link_misc_perst_deco_ctrl rst_deco_cntrl;
-	link_misc_perst_clk_ctrl  rst_clk_cntrl;
+	union link_misc_perst_deco_ctrl rst_deco_cntrl;
+	union link_misc_perst_clk_ctrl  rst_clk_cntrl;
 	uint32_t                  temp;
 
 	/*
@@ -178,7 +178,7 @@ static bool crystalhd_put_in_reset(struct crystalhd_adp *adp)
 
 static void crystalhd_disable_interrupts(struct crystalhd_adp *adp)
 {
-	intr_mask_reg   intr_mask;
+	union intr_mask_reg   intr_mask;
 	intr_mask.whole_reg = crystalhd_reg_rd(adp, INTR_INTR_MSK_STS_REG);
 	intr_mask.mask_pcie_err = 1;
 	intr_mask.mask_pcie_rbusmast_err = 1;
@@ -194,7 +194,7 @@ static void crystalhd_disable_interrupts(struct crystalhd_adp *adp)
 
 static void crystalhd_enable_interrupts(struct crystalhd_adp *adp)
 {
-	intr_mask_reg   intr_mask;
+	union intr_mask_reg   intr_mask;
 	intr_mask.whole_reg = crystalhd_reg_rd(adp, INTR_INTR_MSK_STS_REG);
 	intr_mask.mask_pcie_err = 1;
 	intr_mask.mask_pcie_rbusmast_err = 1;
@@ -348,10 +348,10 @@ static bool crystalhd_stop_device(struct crystalhd_adp *adp)
 	return true;
 }
 
-static crystalhd_rx_dma_pkt *crystalhd_hw_alloc_rx_pkt(struct crystalhd_hw *hw)
+static struct crystalhd_rx_dma_pkt *crystalhd_hw_alloc_rx_pkt(struct crystalhd_hw *hw)
 {
 	unsigned long flags = 0;
-	crystalhd_rx_dma_pkt *temp = NULL;
+	struct crystalhd_rx_dma_pkt *temp = NULL;
 
 	if (!hw)
 		return NULL;
@@ -370,7 +370,7 @@ static crystalhd_rx_dma_pkt *crystalhd_hw_alloc_rx_pkt(struct crystalhd_hw *hw)
 }
 
 static void crystalhd_hw_free_rx_pkt(struct crystalhd_hw *hw,
-				   crystalhd_rx_dma_pkt *pkt)
+				   struct crystalhd_rx_dma_pkt *pkt)
 {
 	unsigned long flags = 0;
 
@@ -406,7 +406,7 @@ static void crystalhd_tx_desc_rel_call_back(void *context, void *data)
 static void crystalhd_rx_pkt_rel_call_back(void *context, void *data)
 {
 	struct crystalhd_hw *hw = (struct crystalhd_hw *)context;
-	crystalhd_rx_dma_pkt *pkt = (crystalhd_rx_dma_pkt *)data;
+	struct crystalhd_rx_dma_pkt *pkt = (struct crystalhd_rx_dma_pkt *)data;
 
 	if (!pkt || !hw) {
 		BCMLOG_ERR("Invalid arg - %p %p\n", hw, pkt);
@@ -453,9 +453,9 @@ do {								\
  * TX - Active & Free
  * RX - Active, Ready and Free.
  */
-static BC_STATUS crystalhd_hw_create_ioqs(struct crystalhd_hw   *hw)
+static enum BC_STATUS crystalhd_hw_create_ioqs(struct crystalhd_hw   *hw)
 {
-	BC_STATUS   sts = BC_STS_SUCCESS;
+	enum BC_STATUS   sts = BC_STS_SUCCESS;
 
 	if (!hw) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -523,10 +523,10 @@ static bool crystalhd_code_in_full(struct crystalhd_adp *adp, uint32_t needed_sz
 	return false;
 }
 
-static BC_STATUS crystalhd_hw_tx_req_complete(struct crystalhd_hw *hw,
-					    uint32_t list_id, BC_STATUS cs)
+static enum BC_STATUS crystalhd_hw_tx_req_complete(struct crystalhd_hw *hw,
+					    uint32_t list_id, enum BC_STATUS cs)
 {
-	tx_dma_pkt *tx_req;
+	struct tx_dma_pkt *tx_req;
 
 	if (!hw || !list_id) {
 		BCMLOG_ERR("Invalid Arg..\n");
@@ -535,7 +535,7 @@ static BC_STATUS crystalhd_hw_tx_req_complete(struct crystalhd_hw *hw,
 
 	hw->pwr_lock--;
 
-	tx_req = (tx_dma_pkt *)crystalhd_dioq_find_and_fetch(hw->tx_actq, list_id);
+	tx_req = (struct tx_dma_pkt *)crystalhd_dioq_find_and_fetch(hw->tx_actq, list_id);
 	if (!tx_req) {
 		if (cs != BC_STS_IO_USER_ABORT)
 			BCMLOG_ERR("Find and Fetch Did not find req\n");
@@ -654,7 +654,7 @@ static void crystalhd_tx_isr(struct crystalhd_hw *hw, uint32_t int_sts)
 	hw->stats.tx_errors++;
 }
 
-static void crystalhd_hw_dump_desc(pdma_descriptor p_dma_desc,
+static void crystalhd_hw_dump_desc(struct dma_descriptor *p_dma_desc,
 				 uint32_t ul_desc_index, uint32_t cnt)
 {
 	uint32_t ix, ll = 0;
@@ -682,15 +682,15 @@ static void crystalhd_hw_dump_desc(pdma_descriptor p_dma_desc,
 
 }
 
-static BC_STATUS crystalhd_hw_fill_desc(crystalhd_dio_req *ioreq,
-				      dma_descriptor *desc,
+static enum BC_STATUS crystalhd_hw_fill_desc(struct crystalhd_dio_req *ioreq,
+				      struct dma_descriptor *desc,
 				      dma_addr_t desc_paddr_base,
 				      uint32_t sg_cnt, uint32_t sg_st_ix,
 				      uint32_t sg_st_off, uint32_t xfr_sz)
 {
 	uint32_t count = 0, ix = 0, sg_ix = 0, len = 0, last_desc_ix = 0;
 	dma_addr_t desc_phy_addr = desc_paddr_base;
-	addr_64 addr_temp;
+	union addr_64 addr_temp;
 
 	if (!ioreq || !desc || !desc_paddr_base || !xfr_sz ||
 	    (!sg_cnt && !ioreq->uinfo.dir_tx)) {
@@ -721,7 +721,7 @@ static BC_STATUS crystalhd_hw_fill_desc(crystalhd_dio_req *ioreq,
 		desc[ix].dma_dir        = ioreq->uinfo.dir_tx;
 
 		/* Chain DMA descriptor.  */
-		addr_temp.full_addr = desc_phy_addr + sizeof(dma_descriptor);
+		addr_temp.full_addr = desc_phy_addr + sizeof(struct dma_descriptor);
 		desc[ix].next_desc_addr_low = addr_temp.low_part;
 		desc[ix].next_desc_addr_high = addr_temp.high_part;
 
@@ -740,7 +740,7 @@ static BC_STATUS crystalhd_hw_fill_desc(crystalhd_dio_req *ioreq,
 		crystalhd_hw_dump_desc(desc, ix, 1);
 
 		count += len;
-		desc_phy_addr += sizeof(dma_descriptor);
+		desc_phy_addr += sizeof(struct dma_descriptor);
 	}
 
 	last_desc_ix = ix - 1;
@@ -773,15 +773,15 @@ static BC_STATUS crystalhd_hw_fill_desc(crystalhd_dio_req *ioreq,
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS crystalhd_xlat_sgl_to_dma_desc(crystalhd_dio_req *ioreq,
-					      pdma_desc_mem pdesc_mem,
+static enum BC_STATUS crystalhd_xlat_sgl_to_dma_desc(struct crystalhd_dio_req *ioreq,
+					      struct dma_desc_mem *pdesc_mem,
 					      uint32_t *uv_desc_index)
 {
-	dma_descriptor *desc = NULL;
+	struct dma_descriptor *desc = NULL;
 	dma_addr_t desc_paddr_base = 0;
 	uint32_t sg_cnt = 0, sg_st_ix = 0, sg_st_off = 0;
 	uint32_t xfr_sz = 0;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	/* Check params.. */
 	if (!ioreq || !pdesc_mem || !uv_desc_index) {
@@ -821,7 +821,7 @@ static BC_STATUS crystalhd_xlat_sgl_to_dma_desc(crystalhd_dio_req *ioreq,
 	/* Prepare for UV mapping.. */
 	desc = &pdesc_mem->pdma_desc_start[sg_cnt];
 	desc_paddr_base = pdesc_mem->phy_addr +
-			  (sg_cnt * sizeof(dma_descriptor));
+			  (sg_cnt * sizeof(struct dma_descriptor));
 
 	/* Done with desc addr.. now update sg stuff.*/
 	sg_cnt    = ioreq->sg_cnt - ioreq->uinfo.uv_sg_ix;
@@ -858,7 +858,7 @@ static void crystalhd_start_tx_dma_engine(struct crystalhd_hw *hw)
  * Verify if the Stop generates a completion interrupt or not.
  * if it does not generate an interrupt, then add polling here.
  */
-static BC_STATUS crystalhd_stop_tx_dma_engine(struct crystalhd_hw *hw)
+static enum BC_STATUS crystalhd_stop_tx_dma_engine(struct crystalhd_hw *hw)
 {
 	uint32_t dma_cntrl, cnt = 30;
 	uint32_t l1 = 1, l2 = 1;
@@ -1021,7 +1021,7 @@ static bool crystalhd_rel_addr_to_pib_Q(struct crystalhd_hw *hw, uint32_t addr_t
 	return true;
 }
 
-static void cpy_pib_to_app(C011_PIB *src_pib, BC_PIC_INFO_BLOCK *dst_pib)
+static void cpy_pib_to_app(struct c011_pib *src_pib, struct BC_PIC_INFO_BLOCK *dst_pib)
 {
 	if (!src_pib || !dst_pib) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -1046,10 +1046,10 @@ static void cpy_pib_to_app(C011_PIB *src_pib, BC_PIC_INFO_BLOCK *dst_pib)
 static void crystalhd_hw_proc_pib(struct crystalhd_hw *hw)
 {
 	unsigned int cnt;
-	C011_PIB src_pib;
+	struct c011_pib src_pib;
 	uint32_t pib_addr, pib_cnt;
-	BC_PIC_INFO_BLOCK *AppPib;
-	crystalhd_rx_dma_pkt *rx_pkt = NULL;
+	struct BC_PIC_INFO_BLOCK *AppPib;
+	struct crystalhd_rx_dma_pkt *rx_pkt = NULL;
 
 	pib_cnt = crystalhd_get_pib_avail_cnt(hw);
 
@@ -1059,11 +1059,11 @@ static void crystalhd_hw_proc_pib(struct crystalhd_hw *hw)
 	for (cnt = 0; cnt < pib_cnt; cnt++) {
 
 		pib_addr = crystalhd_get_addr_from_pib_Q(hw);
-		crystalhd_mem_rd(hw->adp, pib_addr, sizeof(C011_PIB) / 4,
+		crystalhd_mem_rd(hw->adp, pib_addr, sizeof(struct c011_pib) / 4,
 			       (uint32_t *)&src_pib);
 
 		if (src_pib.bFormatChange) {
-			rx_pkt = (crystalhd_rx_dma_pkt *)crystalhd_dioq_fetch(hw->rx_freeq);
+			rx_pkt = (struct crystalhd_rx_dma_pkt *)crystalhd_dioq_fetch(hw->rx_freeq);
 			if (!rx_pkt)
 				return;
 			rx_pkt->flags = 0;
@@ -1168,11 +1168,11 @@ static void crystalhd_stop_rx_dma_engine(struct crystalhd_hw *hw)
 	       count, hw->rx_list_sts[0], hw->rx_list_sts[1]);
 }
 
-static BC_STATUS crystalhd_hw_prog_rxdma(struct crystalhd_hw *hw, crystalhd_rx_dma_pkt *rx_pkt)
+static enum BC_STATUS crystalhd_hw_prog_rxdma(struct crystalhd_hw *hw, struct crystalhd_rx_dma_pkt *rx_pkt)
 {
 	uint32_t y_low_addr_reg, y_high_addr_reg;
 	uint32_t uv_low_addr_reg, uv_high_addr_reg;
-	addr_64 desc_addr;
+	union addr_64 desc_addr;
 	unsigned long flags;
 
 	if (!hw || !rx_pkt) {
@@ -1228,10 +1228,10 @@ static BC_STATUS crystalhd_hw_prog_rxdma(struct crystalhd_hw *hw, crystalhd_rx_d
 	return BC_STS_SUCCESS;
 }
 
-static BC_STATUS crystalhd_hw_post_cap_buff(struct crystalhd_hw *hw,
-					  crystalhd_rx_dma_pkt *rx_pkt)
+static enum BC_STATUS crystalhd_hw_post_cap_buff(struct crystalhd_hw *hw,
+					  struct crystalhd_rx_dma_pkt *rx_pkt)
 {
-	BC_STATUS sts = crystalhd_hw_prog_rxdma(hw, rx_pkt);
+	enum BC_STATUS sts = crystalhd_hw_prog_rxdma(hw, rx_pkt);
 
 	if (sts == BC_STS_BUSY)
 		crystalhd_dioq_add(hw->rx_freeq, (void *)rx_pkt,
@@ -1287,12 +1287,12 @@ static void crystalhd_hw_finalize_pause(struct crystalhd_hw *hw)
 	crystalhd_reg_wr(hw->adp, PCIE_DLL_DATA_LINK_CONTROL, aspm);
 }
 
-static BC_STATUS crystalhd_rx_pkt_done(struct crystalhd_hw *hw, uint32_t list_index,
-				     BC_STATUS comp_sts)
+static enum BC_STATUS crystalhd_rx_pkt_done(struct crystalhd_hw *hw, uint32_t list_index,
+				     enum BC_STATUS comp_sts)
 {
-	crystalhd_rx_dma_pkt *rx_pkt = NULL;
+	struct crystalhd_rx_dma_pkt *rx_pkt = NULL;
 	uint32_t y_dw_dnsz, uv_dw_dnsz;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	if (!hw || list_index >= DMA_ENGINE_CNT) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -1328,7 +1328,7 @@ static bool crystalhd_rx_list0_handler(struct crystalhd_hw *hw, uint32_t int_sts
 				     uint32_t y_err_sts, uint32_t uv_err_sts)
 {
 	uint32_t tmp;
-	list_sts tmp_lsts;
+	enum list_sts tmp_lsts;
 
 	if (!(y_err_sts & GET_Y0_ERR_MSK) && !(uv_err_sts & GET_UV0_ERR_MSK))
 		return false;
@@ -1396,7 +1396,7 @@ static bool crystalhd_rx_list1_handler(struct crystalhd_hw *hw, uint32_t int_sts
 				     uint32_t y_err_sts, uint32_t uv_err_sts)
 {
 	uint32_t tmp;
-	list_sts tmp_lsts;
+	enum list_sts tmp_lsts;
 
 	if (!(y_err_sts & GET_Y1_ERR_MSK) && !(uv_err_sts & GET_UV1_ERR_MSK))
 		return false;
@@ -1467,7 +1467,7 @@ static void crystalhd_rx_isr(struct crystalhd_hw *hw, uint32_t intr_sts)
 {
 	unsigned long flags;
 	uint32_t i, list_avail = 0;
-	BC_STATUS comp_sts = BC_STS_NO_DATA;
+	enum BC_STATUS comp_sts = BC_STS_NO_DATA;
 	uint32_t y_err_sts, uv_err_sts, y_dn_sz = 0, uv_dn_sz = 0;
 	bool ret = 0;
 
@@ -1535,15 +1535,15 @@ static void crystalhd_rx_isr(struct crystalhd_hw *hw, uint32_t intr_sts)
 	}
 }
 
-static BC_STATUS crystalhd_fw_cmd_post_proc(struct crystalhd_hw *hw,
-					  BC_FW_CMD *fw_cmd)
+static enum BC_STATUS crystalhd_fw_cmd_post_proc(struct crystalhd_hw *hw,
+					  struct BC_FW_CMD *fw_cmd)
 {
-	BC_STATUS sts = BC_STS_SUCCESS;
-	DecRspChannelStartVideo *st_rsp = NULL;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
+	struct dec_rsp_channel_start_video *st_rsp = NULL;
 
 	switch (fw_cmd->cmd[0]) {
 	case eCMD_C011_DEC_CHAN_START_VIDEO:
-		st_rsp = (DecRspChannelStartVideo *)fw_cmd->rsp;
+		st_rsp = (struct dec_rsp_channel_start_video *)fw_cmd->rsp;
 		hw->pib_del_Q_addr = st_rsp->picInfoDeliveryQ;
 		hw->pib_rel_Q_addr = st_rsp->picInfoReleaseQ;
 		BCMLOG(BCMLOG_DBG, "DelQAddr:%x RelQAddr:%x\n",
@@ -1561,10 +1561,10 @@ static BC_STATUS crystalhd_fw_cmd_post_proc(struct crystalhd_hw *hw,
 	return sts;
 }
 
-static BC_STATUS crystalhd_put_ddr2sleep(struct crystalhd_hw *hw)
+static enum BC_STATUS crystalhd_put_ddr2sleep(struct crystalhd_hw *hw)
 {
 	uint32_t reg;
-	link_misc_perst_decoder_ctrl rst_cntrl_reg;
+	union link_misc_perst_decoder_ctrl rst_cntrl_reg;
 
 	/* Pulse reset pin of 7412 (MISC_PERST_DECODER_CTRL) */
 	rst_cntrl_reg.whole_reg = crystalhd_reg_rd(hw->adp, MISC_PERST_DECODER_CTRL);
@@ -1622,7 +1622,7 @@ static BC_STATUS crystalhd_put_ddr2sleep(struct crystalhd_hw *hw)
 **
 *************************************************/
 
-BC_STATUS crystalhd_download_fw(struct crystalhd_adp *adp, void *buffer, uint32_t sz)
+enum BC_STATUS crystalhd_download_fw(struct crystalhd_adp *adp, void *buffer, uint32_t sz)
 {
 	uint32_t reg_data, cnt, *temp_buff;
 	uint32_t fw_sig_len = 36;
@@ -1714,13 +1714,14 @@ BC_STATUS crystalhd_download_fw(struct crystalhd_adp *adp, void *buffer, uint32_
 	return BC_STS_SUCCESS;;
 }
 
-BC_STATUS crystalhd_do_fw_cmd(struct crystalhd_hw *hw, BC_FW_CMD *fw_cmd)
+enum BC_STATUS crystalhd_do_fw_cmd(struct crystalhd_hw *hw,
+				struct BC_FW_CMD *fw_cmd)
 {
 	uint32_t cnt = 0, cmd_res_addr;
 	uint32_t *cmd_buff, *res_buff;
 	wait_queue_head_t fw_cmd_event;
 	int rc = 0;
-	BC_STATUS sts;
+	enum BC_STATUS sts;
 
 	crystalhd_create_event(&fw_cmd_event);
 
@@ -1854,7 +1855,7 @@ bool crystalhd_hw_interrupt(struct crystalhd_adp *adp, struct crystalhd_hw *hw)
 	return rc;
 }
 
-BC_STATUS crystalhd_hw_open(struct crystalhd_hw *hw, struct crystalhd_adp *adp)
+enum BC_STATUS crystalhd_hw_open(struct crystalhd_hw *hw, struct crystalhd_adp *adp)
 {
 	if (!hw || !adp) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -1886,7 +1887,7 @@ BC_STATUS crystalhd_hw_open(struct crystalhd_hw *hw, struct crystalhd_adp *adp)
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_close(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_close(struct crystalhd_hw *hw)
 {
 	if (!hw) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -1903,14 +1904,14 @@ BC_STATUS crystalhd_hw_close(struct crystalhd_hw *hw)
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *hw)
 {
 	unsigned int i;
 	void *mem;
 	size_t mem_len;
 	dma_addr_t phy_addr;
-	BC_STATUS sts = BC_STS_SUCCESS;
-	crystalhd_rx_dma_pkt *rpkt;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
+	struct crystalhd_rx_dma_pkt *rpkt;
 
 	if (!hw || !hw->adp) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -1923,7 +1924,7 @@ BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *hw)
 		return sts;
 	}
 
-	mem_len = BC_LINK_MAX_SGLS * sizeof(dma_descriptor);
+	mem_len = BC_LINK_MAX_SGLS * sizeof(struct dma_descriptor);
 
 	for (i = 0; i < BC_TX_LIST_CNT; i++) {
 		mem = bc_kern_dma_alloc(hw->adp, mem_len, &phy_addr);
@@ -1938,7 +1939,7 @@ BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *hw)
 		hw->tx_pkt_pool[i].desc_mem.pdma_desc_start = mem;
 		hw->tx_pkt_pool[i].desc_mem.phy_addr = phy_addr;
 		hw->tx_pkt_pool[i].desc_mem.sz = BC_LINK_MAX_SGLS *
-						 sizeof(dma_descriptor);
+						 sizeof(struct dma_descriptor);
 		hw->tx_pkt_pool[i].list_tag = 0;
 
 		/* Add TX dma requests to Free Queue..*/
@@ -1968,7 +1969,7 @@ BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *hw)
 		}
 		rpkt->desc_mem.pdma_desc_start = mem;
 		rpkt->desc_mem.phy_addr = phy_addr;
-		rpkt->desc_mem.sz  = BC_LINK_MAX_SGLS * sizeof(dma_descriptor);
+		rpkt->desc_mem.sz  = BC_LINK_MAX_SGLS * sizeof(struct dma_descriptor);
 		rpkt->pkt_tag = hw->rx_pkt_tag_seed + i;
 		crystalhd_hw_free_rx_pkt(hw, rpkt);
 	}
@@ -1976,10 +1977,10 @@ BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *hw)
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_free_dma_rings(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_free_dma_rings(struct crystalhd_hw *hw)
 {
 	unsigned int i;
-	crystalhd_rx_dma_pkt *rpkt = NULL;
+	struct crystalhd_rx_dma_pkt *rpkt = NULL;
 
 	if (!hw || !hw->adp) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -2014,16 +2015,16 @@ BC_STATUS crystalhd_hw_free_dma_rings(struct crystalhd_hw *hw)
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_post_tx(struct crystalhd_hw *hw, crystalhd_dio_req *ioreq,
+enum BC_STATUS crystalhd_hw_post_tx(struct crystalhd_hw *hw, struct crystalhd_dio_req *ioreq,
 			     hw_comp_callback call_back,
 			     wait_queue_head_t *cb_event, uint32_t *list_id,
 			     uint8_t data_flags)
 {
-	tx_dma_pkt *tx_dma_packet = NULL;
+	struct tx_dma_pkt *tx_dma_packet = NULL;
 	uint32_t first_desc_u_addr, first_desc_l_addr;
 	uint32_t low_addr, high_addr;
-	addr_64 desc_addr;
-	BC_STATUS sts, add_sts;
+	union addr_64 desc_addr;
+	enum BC_STATUS sts, add_sts;
 	uint32_t dummy_index = 0;
 	unsigned long flags;
 	bool rc;
@@ -2048,7 +2049,7 @@ BC_STATUS crystalhd_hw_post_tx(struct crystalhd_hw *hw, crystalhd_dio_req *ioreq
 	}
 
 	/* Get a list from TxFreeQ */
-	tx_dma_packet = (tx_dma_pkt *)crystalhd_dioq_fetch(hw->tx_freeq);
+	tx_dma_packet = (struct tx_dma_pkt *)crystalhd_dioq_fetch(hw->tx_freeq);
 	if (!tx_dma_packet) {
 		BCMLOG_ERR("No empty elements..\n");
 		return BC_STS_ERR_USAGE;
@@ -2121,7 +2122,7 @@ BC_STATUS crystalhd_hw_post_tx(struct crystalhd_hw *hw, crystalhd_dio_req *ioreq
  *
  * FIX_ME: Not Tested the actual condition..
  */
-BC_STATUS crystalhd_hw_cancel_tx(struct crystalhd_hw *hw, uint32_t list_id)
+enum BC_STATUS crystalhd_hw_cancel_tx(struct crystalhd_hw *hw, uint32_t list_id)
 {
 	if (!hw || !list_id) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -2134,12 +2135,12 @@ BC_STATUS crystalhd_hw_cancel_tx(struct crystalhd_hw *hw, uint32_t list_id)
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_add_cap_buffer(struct crystalhd_hw *hw,
-				    crystalhd_dio_req *ioreq, bool en_post)
+enum BC_STATUS crystalhd_hw_add_cap_buffer(struct crystalhd_hw *hw,
+				    struct crystalhd_dio_req *ioreq, bool en_post)
 {
-	crystalhd_rx_dma_pkt *rpkt;
+	struct crystalhd_rx_dma_pkt *rpkt;
 	uint32_t tag, uv_desc_ix = 0;
-	BC_STATUS sts;
+	enum BC_STATUS sts;
 
 	if (!hw || !ioreq) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -2164,7 +2165,7 @@ BC_STATUS crystalhd_hw_add_cap_buffer(struct crystalhd_hw *hw,
 	/* Store the address of UV in the rx packet for post*/
 	if (uv_desc_ix)
 		rpkt->uv_phy_addr = rpkt->desc_mem.phy_addr +
-				    (sizeof(dma_descriptor) * (uv_desc_ix + 1));
+				    (sizeof(struct dma_descriptor) * (uv_desc_ix + 1));
 
 	if (en_post)
 		sts = crystalhd_hw_post_cap_buff(hw, rpkt);
@@ -2174,11 +2175,11 @@ BC_STATUS crystalhd_hw_add_cap_buffer(struct crystalhd_hw *hw,
 	return sts;
 }
 
-BC_STATUS crystalhd_hw_get_cap_buffer(struct crystalhd_hw *hw,
-				    BC_PIC_INFO_BLOCK *pib,
-				    crystalhd_dio_req **ioreq)
+enum BC_STATUS crystalhd_hw_get_cap_buffer(struct crystalhd_hw *hw,
+				    struct BC_PIC_INFO_BLOCK *pib,
+				    struct crystalhd_dio_req **ioreq)
 {
-	crystalhd_rx_dma_pkt *rpkt;
+	struct crystalhd_rx_dma_pkt *rpkt;
 	uint32_t timeout = BC_PROC_OUTPUT_TIMEOUT / 1000;
 	uint32_t sig_pending = 0;
 
@@ -2210,10 +2211,10 @@ BC_STATUS crystalhd_hw_get_cap_buffer(struct crystalhd_hw *hw,
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_start_capture(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_start_capture(struct crystalhd_hw *hw)
 {
-	crystalhd_rx_dma_pkt *rx_pkt;
-	BC_STATUS sts;
+	struct crystalhd_rx_dma_pkt *rx_pkt;
+	enum BC_STATUS sts;
 	uint32_t i;
 
 	if (!hw) {
@@ -2235,7 +2236,7 @@ BC_STATUS crystalhd_hw_start_capture(struct crystalhd_hw *hw)
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_stop_capture(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_stop_capture(struct crystalhd_hw *hw)
 {
 	void *temp = NULL;
 
@@ -2255,7 +2256,7 @@ BC_STATUS crystalhd_hw_stop_capture(struct crystalhd_hw *hw)
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_pause(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_pause(struct crystalhd_hw *hw)
 {
 	hw->stats.pause_cnt++;
 	hw->stop_pending = 1;
@@ -2267,9 +2268,9 @@ BC_STATUS crystalhd_hw_pause(struct crystalhd_hw *hw)
 	return BC_STS_SUCCESS;
 }
 
-BC_STATUS crystalhd_hw_unpause(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_unpause(struct crystalhd_hw *hw)
 {
-	BC_STATUS sts;
+	enum BC_STATUS sts;
 	uint32_t aspm;
 
 	hw->stop_pending = 0;
@@ -2283,9 +2284,9 @@ BC_STATUS crystalhd_hw_unpause(struct crystalhd_hw *hw)
 	return sts;
 }
 
-BC_STATUS crystalhd_hw_suspend(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_suspend(struct crystalhd_hw *hw)
 {
-	BC_STATUS sts;
+	enum BC_STATUS sts;
 
 	if (!hw) {
 		BCMLOG_ERR("Invalid Arguments\n");
@@ -2324,7 +2325,7 @@ void crystalhd_hw_stats(struct crystalhd_hw *hw, struct crystalhd_hw_stats *stat
 	memcpy(stats, &hw->stats, sizeof(*stats));
 }
 
-BC_STATUS crystalhd_hw_set_core_clock(struct crystalhd_hw *hw)
+enum BC_STATUS crystalhd_hw_set_core_clock(struct crystalhd_hw *hw)
 {
 	uint32_t reg, n, i;
 	uint32_t vco_mg, refresh_reg;
diff --git a/drivers/staging/crystalhd/crystalhd_hw.h b/drivers/staging/crystalhd/crystalhd_hw.h
index 1c6318e912a..3efbf9d4ff5 100644
--- a/drivers/staging/crystalhd/crystalhd_hw.h
+++ b/drivers/staging/crystalhd/crystalhd_hw.h
@@ -109,7 +109,7 @@
 #define DecHt_HostSwReset	0x340000
 #define BC_DRAM_FW_CFG_ADDR	0x001c2000
 
-typedef union _addr_64_ {
+union addr_64 {
 	struct {
 		uint32_t	low_part;
 		uint32_t	high_part;
@@ -117,9 +117,9 @@ typedef union _addr_64_ {
 
 	uint64_t	full_addr;
 
-} addr_64;
+};
 
-typedef union _intr_mask_reg_ {
+union intr_mask_reg {
 	struct {
 		uint32_t	mask_tx_done:1;
 		uint32_t	mask_tx_err:1;
@@ -133,9 +133,9 @@ typedef union _intr_mask_reg_ {
 
 	uint32_t	whole_reg;
 
-} intr_mask_reg;
+};
 
-typedef union _link_misc_perst_deco_ctrl_ {
+union link_misc_perst_deco_ctrl {
 	struct {
 		uint32_t	bcm7412_rst:1;		/* 1 -> BCM7412 is held in reset. Reset value 1.*/
 		uint32_t	reserved0:3;		/* Reserved.No Effect*/
@@ -145,9 +145,9 @@ typedef union _link_misc_perst_deco_ctrl_ {
 
 	uint32_t	whole_reg;
 
-} link_misc_perst_deco_ctrl;
+};
 
-typedef union _link_misc_perst_clk_ctrl_ {
+union link_misc_perst_clk_ctrl {
 	struct {
 		uint32_t	sel_alt_clk:1;	  /* When set, selects a 6.75MHz clock as the source of core_clk */
 		uint32_t	stop_core_clk:1;  /* When set, stops the branch of core_clk that is not needed for low power operation */
@@ -161,10 +161,9 @@ typedef union _link_misc_perst_clk_ctrl_ {
 
 	uint32_t	whole_reg;
 
-} link_misc_perst_clk_ctrl;
+};
 
-
-typedef union _link_misc_perst_decoder_ctrl_ {
+union link_misc_perst_decoder_ctrl {
 	struct {
 		uint32_t	bcm_7412_rst:1; /* 1 -> BCM7412 is held in reset. Reset value 1.*/
 		uint32_t	res0:3; /* Reserved.No Effect*/
@@ -174,10 +173,9 @@ typedef union _link_misc_perst_decoder_ctrl_ {
 
 	uint32_t	whole_reg;
 
-} link_misc_perst_decoder_ctrl;
+};
 
-
-typedef union _desc_low_addr_reg_ {
+union desc_low_addr_reg {
 	struct {
 		uint32_t	list_valid:1;
 		uint32_t	reserved:4;
@@ -186,9 +184,9 @@ typedef union _desc_low_addr_reg_ {
 
 	uint32_t	whole_reg;
 
-} desc_low_addr_reg;
+};
 
-typedef struct _dma_descriptor_ {	/* 8 32-bit values */
+struct dma_descriptor {	/* 8 32-bit values */
 	/* 0th u32 */
 	uint32_t sdram_buff_addr:28;	/* bits 0-27:  SDRAM Address */
 	uint32_t res0:4;		/* bits 28-31: Reserved */
@@ -220,24 +218,22 @@ typedef struct _dma_descriptor_ {	/* 8 32-bit values */
 	/* 7th u32 */
 	uint32_t res8;			/* Last 32bits reserved */
 
-} dma_descriptor, *pdma_descriptor;
+};
 
 /*
  * We will allocate the memory in 4K pages
  * the linked list will be a list of 32 byte descriptors.
  * The  virtual address will determine what should be freed.
  */
-typedef struct _dma_desc_mem_ {
-	pdma_descriptor		pdma_desc_start; /* 32-bytes for dma descriptor. should be first element */
+struct dma_desc_mem {
+	struct dma_descriptor	*pdma_desc_start; /* 32-bytes for dma descriptor. should be first element */
 	dma_addr_t		phy_addr;	/* physical address of each DMA desc */
 	uint32_t		sz;
 	struct _dma_desc_mem_	*Next;		/* points to Next Descriptor in chain */
 
-} dma_desc_mem, *pdma_desc_mem;
+};
 
-
-
-typedef enum _list_sts_ {
+enum list_sts {
 	sts_free = 0,
 
 	/* RX-Y Bits 0:7 */
@@ -253,30 +249,27 @@ typedef enum _list_sts_ {
 
 	rx_y_mask		= 0x000000FF,
 	rx_uv_mask		= 0x0000FF00,
+};
 
-} list_sts;
-
-typedef struct _tx_dma_pkt_ {
-	dma_desc_mem		desc_mem;
+struct tx_dma_pkt {
+	struct dma_desc_mem	desc_mem;
 	hw_comp_callback	call_back;
-	crystalhd_dio_req		*dio_req;
+	struct crystalhd_dio_req	*dio_req;
 	wait_queue_head_t	*cb_event;
 	uint32_t		list_tag;
+};
 
-} tx_dma_pkt;
-
-typedef struct _crystalhd_rx_dma_pkt {
-	dma_desc_mem			desc_mem;
-	crystalhd_dio_req			*dio_req;
+struct crystalhd_rx_dma_pkt {
+	struct dma_desc_mem		desc_mem;
+	struct crystalhd_dio_req	*dio_req;
 	uint32_t			pkt_tag;
 	uint32_t			flags;
-	BC_PIC_INFO_BLOCK		pib;
+	struct BC_PIC_INFO_BLOCK	pib;
 	dma_addr_t			uv_phy_addr;
-	struct  _crystalhd_rx_dma_pkt	*next;
+	struct crystalhd_rx_dma_pkt	*next;
+};
 
-} crystalhd_rx_dma_pkt;
-
-struct crystalhd_hw_stats{
+struct crystalhd_hw_stats {
 	uint32_t	rx_errors;
 	uint32_t	tx_errors;
 	uint32_t	freeq_count;
@@ -288,13 +281,13 @@ struct crystalhd_hw_stats{
 };
 
 struct crystalhd_hw {
-	tx_dma_pkt		tx_pkt_pool[DMA_ENGINE_CNT];
+	struct tx_dma_pkt	tx_pkt_pool[DMA_ENGINE_CNT];
 	spinlock_t		lock;
 
 	uint32_t		tx_ioq_tag_seed;
 	uint32_t		tx_list_post_index;
 
-	crystalhd_rx_dma_pkt	*rx_pkt_pool_head;
+	struct crystalhd_rx_dma_pkt *rx_pkt_pool_head;
 	uint32_t		rx_pkt_tag_seed;
 
 	bool			dev_started;
@@ -306,16 +299,16 @@ struct crystalhd_hw {
 	uint32_t		pib_del_Q_addr;
 	uint32_t		pib_rel_Q_addr;
 
-	crystalhd_dioq_t		*tx_freeq;
-	crystalhd_dioq_t		*tx_actq;
+	struct crystalhd_dioq	*tx_freeq;
+	struct crystalhd_dioq	*tx_actq;
 
 	/* Rx DMA Engine Specific Locks */
 	spinlock_t		rx_lock;
 	uint32_t		rx_list_post_index;
-	list_sts		rx_list_sts[DMA_ENGINE_CNT];
-	crystalhd_dioq_t		*rx_rdyq;
-	crystalhd_dioq_t		*rx_freeq;
-	crystalhd_dioq_t		*rx_actq;
+	enum list_sts		rx_list_sts[DMA_ENGINE_CNT];
+	struct crystalhd_dioq	*rx_rdyq;
+	struct crystalhd_dioq	*rx_freeq;
+	struct crystalhd_dioq	*rx_actq;
 	uint32_t		stop_pending;
 
 	/* HW counters.. */
@@ -364,35 +357,35 @@ struct crystalhd_hw {
 
 
 /**** API Exposed to the other layers ****/
-BC_STATUS crystalhd_download_fw(struct crystalhd_adp *adp,
+enum BC_STATUS crystalhd_download_fw(struct crystalhd_adp *adp,
 			      void *buffer, uint32_t sz);
-BC_STATUS crystalhd_do_fw_cmd(struct crystalhd_hw *hw, BC_FW_CMD *fw_cmd);
+enum BC_STATUS crystalhd_do_fw_cmd(struct crystalhd_hw *hw, struct BC_FW_CMD *fw_cmd);
 bool crystalhd_hw_interrupt(struct crystalhd_adp *adp, struct crystalhd_hw *hw);
-BC_STATUS crystalhd_hw_open(struct crystalhd_hw *, struct crystalhd_adp *);
-BC_STATUS crystalhd_hw_close(struct crystalhd_hw *);
-BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *);
-BC_STATUS crystalhd_hw_free_dma_rings(struct crystalhd_hw *);
+enum BC_STATUS crystalhd_hw_open(struct crystalhd_hw *, struct crystalhd_adp *);
+enum BC_STATUS crystalhd_hw_close(struct crystalhd_hw *);
+enum BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *);
+enum BC_STATUS crystalhd_hw_free_dma_rings(struct crystalhd_hw *);
 
 
-BC_STATUS crystalhd_hw_post_tx(struct crystalhd_hw *hw, crystalhd_dio_req *ioreq,
+enum BC_STATUS crystalhd_hw_post_tx(struct crystalhd_hw *hw, struct crystalhd_dio_req *ioreq,
 			     hw_comp_callback call_back,
 			     wait_queue_head_t *cb_event,
 			     uint32_t *list_id, uint8_t data_flags);
 
-BC_STATUS crystalhd_hw_pause(struct crystalhd_hw *hw);
-BC_STATUS crystalhd_hw_unpause(struct crystalhd_hw *hw);
-BC_STATUS crystalhd_hw_suspend(struct crystalhd_hw *hw);
-BC_STATUS crystalhd_hw_cancel_tx(struct crystalhd_hw *hw, uint32_t list_id);
-BC_STATUS crystalhd_hw_add_cap_buffer(struct crystalhd_hw *hw,
-				    crystalhd_dio_req *ioreq, bool en_post);
-BC_STATUS crystalhd_hw_get_cap_buffer(struct crystalhd_hw *hw,
-				    BC_PIC_INFO_BLOCK *pib,
-				    crystalhd_dio_req **ioreq);
-BC_STATUS crystalhd_hw_stop_capture(struct crystalhd_hw *hw);
-BC_STATUS crystalhd_hw_start_capture(struct crystalhd_hw *hw);
+enum BC_STATUS crystalhd_hw_pause(struct crystalhd_hw *hw);
+enum BC_STATUS crystalhd_hw_unpause(struct crystalhd_hw *hw);
+enum BC_STATUS crystalhd_hw_suspend(struct crystalhd_hw *hw);
+enum BC_STATUS crystalhd_hw_cancel_tx(struct crystalhd_hw *hw, uint32_t list_id);
+enum BC_STATUS crystalhd_hw_add_cap_buffer(struct crystalhd_hw *hw,
+				    struct crystalhd_dio_req *ioreq, bool en_post);
+enum BC_STATUS crystalhd_hw_get_cap_buffer(struct crystalhd_hw *hw,
+				    struct BC_PIC_INFO_BLOCK *pib,
+				    struct crystalhd_dio_req **ioreq);
+enum BC_STATUS crystalhd_hw_stop_capture(struct crystalhd_hw *hw);
+enum BC_STATUS crystalhd_hw_start_capture(struct crystalhd_hw *hw);
 void crystalhd_hw_stats(struct crystalhd_hw *hw, struct crystalhd_hw_stats *stats);
 
 /* API to program the core clock on the decoder */
-BC_STATUS crystalhd_hw_set_core_clock(struct crystalhd_hw *);
+enum BC_STATUS crystalhd_hw_set_core_clock(struct crystalhd_hw *);
 
 #endif
diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c
index 141a3e38a83..a4ec891328c 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.c
+++ b/drivers/staging/crystalhd/crystalhd_lnx.c
@@ -73,10 +73,10 @@ static int chd_dec_disable_int(struct crystalhd_adp *adp)
 	return 0;
 }
 
-crystalhd_ioctl_data *chd_dec_alloc_iodata(struct crystalhd_adp *adp, bool isr)
+struct crystalhd_ioctl_data *chd_dec_alloc_iodata(struct crystalhd_adp *adp, bool isr)
 {
 	unsigned long flags = 0;
-	crystalhd_ioctl_data *temp;
+	struct crystalhd_ioctl_data *temp;
 
 	if (!adp)
 		return NULL;
@@ -93,7 +93,7 @@ crystalhd_ioctl_data *chd_dec_alloc_iodata(struct crystalhd_adp *adp, bool isr)
 	return temp;
 }
 
-void chd_dec_free_iodata(struct crystalhd_adp *adp, crystalhd_ioctl_data *iodata,
+void chd_dec_free_iodata(struct crystalhd_adp *adp, struct crystalhd_ioctl_data *iodata,
 			 bool isr)
 {
 	unsigned long flags = 0;
@@ -129,7 +129,7 @@ static inline int crystalhd_user_data(unsigned long ud, void *dr, int size, int
 	return rc;
 }
 
-static int chd_dec_fetch_cdata(struct crystalhd_adp *adp, crystalhd_ioctl_data *io,
+static int chd_dec_fetch_cdata(struct crystalhd_adp *adp, struct crystalhd_ioctl_data *io,
 			       uint32_t m_sz, unsigned long ua)
 {
 	unsigned long ua_off;
@@ -163,7 +163,7 @@ static int chd_dec_fetch_cdata(struct crystalhd_adp *adp, crystalhd_ioctl_data *
 }
 
 static int chd_dec_release_cdata(struct crystalhd_adp *adp,
-				 crystalhd_ioctl_data *io, unsigned long ua)
+				 struct crystalhd_ioctl_data *io, unsigned long ua)
 {
 	unsigned long ua_off;
 	int rc;
@@ -193,7 +193,7 @@ static int chd_dec_release_cdata(struct crystalhd_adp *adp,
 }
 
 static int chd_dec_proc_user_data(struct crystalhd_adp *adp,
-				  crystalhd_ioctl_data *io,
+				  struct crystalhd_ioctl_data *io,
 				  unsigned long ua, int set)
 {
 	int rc;
@@ -231,8 +231,8 @@ static int chd_dec_api_cmd(struct crystalhd_adp *adp, unsigned long ua,
 			   uint32_t uid, uint32_t cmd, crystalhd_cmd_proc func)
 {
 	int rc;
-	crystalhd_ioctl_data *temp;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	struct crystalhd_ioctl_data *temp;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	temp = chd_dec_alloc_iodata(adp, 0);
 	if (!temp) {
@@ -296,7 +296,7 @@ static int chd_dec_open(struct inode *in, struct file *fd)
 {
 	struct crystalhd_adp *adp = chd_get_adp();
 	int rc = 0;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 	struct crystalhd_user *uc = NULL;
 
 	BCMLOG_ENTER;
@@ -356,7 +356,7 @@ static const struct file_operations chd_dec_fops = {
 
 static int __devinit chd_dec_init_chdev(struct crystalhd_adp *adp)
 {
-	crystalhd_ioctl_data *temp;
+	struct crystalhd_ioctl_data *temp;
 	struct device *dev;
 	int rc = -ENODEV, i = 0;
 
@@ -394,7 +394,7 @@ static int __devinit chd_dec_init_chdev(struct crystalhd_adp *adp)
 	/* Allocate general purpose ioctl pool. */
 	for (i = 0; i < CHD_IODATA_POOL_SZ; i++) {
 		/* FIXME: jarod: why atomic? */
-		temp = kzalloc(sizeof(crystalhd_ioctl_data), GFP_ATOMIC);
+		temp = kzalloc(sizeof(struct crystalhd_ioctl_data), GFP_ATOMIC);
 		if (!temp) {
 			BCMLOG_ERR("ioctl data pool kzalloc failed\n");
 			rc = -ENOMEM;
@@ -418,7 +418,7 @@ fail:
 
 static void __devexit chd_dec_release_chdev(struct crystalhd_adp *adp)
 {
-	crystalhd_ioctl_data *temp = NULL;
+	struct crystalhd_ioctl_data *temp = NULL;
 	if (!adp)
 		return;
 
@@ -513,7 +513,7 @@ static void __devexit chd_pci_release_mem(struct crystalhd_adp *pinfo)
 static void __devexit chd_dec_pci_remove(struct pci_dev *pdev)
 {
 	struct crystalhd_adp *pinfo;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	BCMLOG_ENTER;
 
@@ -543,7 +543,7 @@ static int __devinit chd_dec_pci_probe(struct pci_dev *pdev,
 {
 	struct crystalhd_adp *pinfo;
 	int rc;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	BCMLOG(BCMLOG_DBG, "PCI_INFO: Vendor:0x%04x Device:0x%04x "
 	       "s_vendor:0x%04x s_device: 0x%04x\n",
@@ -623,8 +623,8 @@ static int __devinit chd_dec_pci_probe(struct pci_dev *pdev,
 int chd_dec_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 {
 	struct crystalhd_adp *adp;
-	crystalhd_ioctl_data *temp;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	struct crystalhd_ioctl_data *temp;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 
 	adp = (struct crystalhd_adp *)pci_get_drvdata(pdev);
 	if (!adp) {
@@ -657,7 +657,7 @@ int chd_dec_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 int chd_dec_pci_resume(struct pci_dev *pdev)
 {
 	struct crystalhd_adp *adp;
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 	int rc;
 
 	adp = (struct crystalhd_adp *)pci_get_drvdata(pdev);
diff --git a/drivers/staging/crystalhd/crystalhd_lnx.h b/drivers/staging/crystalhd/crystalhd_lnx.h
index eee4926f04e..c951e43cbb3 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.h
+++ b/drivers/staging/crystalhd/crystalhd_lnx.h
@@ -79,12 +79,12 @@ struct crystalhd_adp {
 	unsigned int		chd_dec_major;
 	unsigned int		cfg_users;
 
-	crystalhd_ioctl_data	*idata_free_head;	/* ioctl data pool */
-	crystalhd_elem_t		*elem_pool_head;	/* Queue element pool */
+	struct crystalhd_ioctl_data	*idata_free_head;	/* ioctl data pool */
+	struct crystalhd_elem		*elem_pool_head;	/* Queue element pool */
 
 	struct crystalhd_cmd	cmds;
 
-	crystalhd_dio_req		*ua_map_free_head;
+	struct crystalhd_dio_req	*ua_map_free_head;
 	struct pci_pool		*fill_byte_pool;
 };
 
diff --git a/drivers/staging/crystalhd/crystalhd_misc.c b/drivers/staging/crystalhd/crystalhd_misc.c
index 548dc09f249..2c5138e4e1b 100644
--- a/drivers/staging/crystalhd/crystalhd_misc.c
+++ b/drivers/staging/crystalhd/crystalhd_misc.c
@@ -43,15 +43,15 @@ static inline void crystalhd_dram_wr(struct crystalhd_adp *adp, uint32_t mem_off
 	bc_dec_reg_wr(adp, (0x00380000 | (mem_off & 0x0007FFFF)), val);
 }
 
-static inline BC_STATUS bc_chk_dram_range(struct crystalhd_adp *adp, uint32_t start_off, uint32_t cnt)
+static inline enum BC_STATUS bc_chk_dram_range(struct crystalhd_adp *adp, uint32_t start_off, uint32_t cnt)
 {
 	return BC_STS_SUCCESS;
 }
 
-static crystalhd_dio_req *crystalhd_alloc_dio(struct crystalhd_adp *adp)
+static struct crystalhd_dio_req *crystalhd_alloc_dio(struct crystalhd_adp *adp)
 {
 	unsigned long flags = 0;
-	crystalhd_dio_req *temp = NULL;
+	struct crystalhd_dio_req *temp = NULL;
 
 	if (!adp) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -67,7 +67,7 @@ static crystalhd_dio_req *crystalhd_alloc_dio(struct crystalhd_adp *adp)
 	return temp;
 }
 
-static void crystalhd_free_dio(struct crystalhd_adp *adp, crystalhd_dio_req *dio)
+static void crystalhd_free_dio(struct crystalhd_adp *adp, struct crystalhd_dio_req *dio)
 {
 	unsigned long flags = 0;
 
@@ -83,10 +83,10 @@ static void crystalhd_free_dio(struct crystalhd_adp *adp, crystalhd_dio_req *dio
 	spin_unlock_irqrestore(&adp->lock, flags);
 }
 
-static crystalhd_elem_t *crystalhd_alloc_elem(struct crystalhd_adp *adp)
+static struct crystalhd_elem *crystalhd_alloc_elem(struct crystalhd_adp *adp)
 {
 	unsigned long flags = 0;
-	crystalhd_elem_t *temp = NULL;
+	struct crystalhd_elem *temp = NULL;
 
 	if (!adp)
 		return temp;
@@ -100,7 +100,7 @@ static crystalhd_elem_t *crystalhd_alloc_elem(struct crystalhd_adp *adp)
 
 	return temp;
 }
-static void crystalhd_free_elem(struct crystalhd_adp *adp, crystalhd_elem_t *elem)
+static void crystalhd_free_elem(struct crystalhd_adp *adp, struct crystalhd_elem *elem)
 {
 	unsigned long flags = 0;
 
@@ -230,7 +230,7 @@ void crystalhd_reg_wr(struct crystalhd_adp *adp, uint32_t reg_off, uint32_t val)
  *
  * 7412's Dram read routine.
  */
-BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *adp, uint32_t start_off,
+enum BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *adp, uint32_t start_off,
 			 uint32_t dw_cnt, uint32_t *rd_buff)
 {
 	uint32_t ix = 0;
@@ -258,7 +258,7 @@ BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *adp, uint32_t start_off,
  *
  * 7412's Dram write routine.
  */
-BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *adp, uint32_t start_off,
+enum BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *adp, uint32_t start_off,
 			 uint32_t dw_cnt, uint32_t *wr_buff)
 {
 	uint32_t ix = 0;
@@ -286,10 +286,10 @@ BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *adp, uint32_t start_off,
  *
  * Get value from Link's PCIe config space.
  */
-BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *adp, uint32_t off,
+enum BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *adp, uint32_t off,
 			     uint32_t len, uint32_t *val)
 {
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 	int rc = 0;
 
 	if (!adp || !val) {
@@ -331,10 +331,10 @@ BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *adp, uint32_t off,
  *
  * Set value to Link's PCIe config space.
  */
-BC_STATUS crystalhd_pci_cfg_wr(struct crystalhd_adp *adp, uint32_t off,
+enum BC_STATUS crystalhd_pci_cfg_wr(struct crystalhd_adp *adp, uint32_t off,
 			     uint32_t len, uint32_t val)
 {
-	BC_STATUS sts = BC_STS_SUCCESS;
+	enum BC_STATUS sts = BC_STS_SUCCESS;
 	int rc = 0;
 
 	if (!adp || !val) {
@@ -429,11 +429,11 @@ void bc_kern_dma_free(struct crystalhd_adp *adp, uint32_t sz, void *ka,
  * Initialize Generic DIO queue to hold any data. Callback
  * will be used to free elements while deleting the queue.
  */
-BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *adp,
-			      crystalhd_dioq_t **dioq_hnd,
+enum BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *adp,
+			      struct crystalhd_dioq **dioq_hnd,
 			      crystalhd_data_free_cb cb, void *cbctx)
 {
-	crystalhd_dioq_t *dioq = NULL;
+	struct crystalhd_dioq *dioq = NULL;
 
 	if (!adp || !dioq_hnd) {
 		BCMLOG_ERR("Invalid arg!!\n");
@@ -446,8 +446,8 @@ BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *adp,
 
 	spin_lock_init(&dioq->lock);
 	dioq->sig = BC_LINK_DIOQ_SIG;
-	dioq->head = (crystalhd_elem_t *)&dioq->head;
-	dioq->tail = (crystalhd_elem_t *)&dioq->head;
+	dioq->head = (struct crystalhd_elem *)&dioq->head;
+	dioq->tail = (struct crystalhd_elem *)&dioq->head;
 	crystalhd_create_event(&dioq->event);
 	dioq->adp = adp;
 	dioq->data_rel_cb = cb;
@@ -470,7 +470,7 @@ BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *adp,
  * by calling the call back provided during creation.
  *
  */
-void crystalhd_delete_dioq(struct crystalhd_adp *adp, crystalhd_dioq_t *dioq)
+void crystalhd_delete_dioq(struct crystalhd_adp *adp, struct crystalhd_dioq *dioq)
 {
 	void *temp;
 
@@ -498,11 +498,11 @@ void crystalhd_delete_dioq(struct crystalhd_adp *adp, crystalhd_dioq_t *dioq)
  *
  * Insert new element to Q tail.
  */
-BC_STATUS crystalhd_dioq_add(crystalhd_dioq_t *ioq, void *data,
+enum BC_STATUS crystalhd_dioq_add(struct crystalhd_dioq *ioq, void *data,
 			   bool wake, uint32_t tag)
 {
 	unsigned long flags = 0;
-	crystalhd_elem_t *tmp;
+	struct crystalhd_elem *tmp;
 
 	if (!ioq || (ioq->sig != BC_LINK_DIOQ_SIG) || !data) {
 		BCMLOG_ERR("Invalid arg!!\n");
@@ -518,7 +518,7 @@ BC_STATUS crystalhd_dioq_add(crystalhd_dioq_t *ioq, void *data,
 	tmp->data = data;
 	tmp->tag = tag;
 	spin_lock_irqsave(&ioq->lock, flags);
-	tmp->flink = (crystalhd_elem_t *)&ioq->head;
+	tmp->flink = (struct crystalhd_elem *)&ioq->head;
 	tmp->blink = ioq->tail;
 	tmp->flink->blink = tmp;
 	tmp->blink->flink = tmp;
@@ -540,11 +540,11 @@ BC_STATUS crystalhd_dioq_add(crystalhd_dioq_t *ioq, void *data,
  *
  * Remove an element from Queue.
  */
-void *crystalhd_dioq_fetch(crystalhd_dioq_t *ioq)
+void *crystalhd_dioq_fetch(struct crystalhd_dioq *ioq)
 {
 	unsigned long flags = 0;
-	crystalhd_elem_t *tmp;
-	crystalhd_elem_t *ret = NULL;
+	struct crystalhd_elem *tmp;
+	struct crystalhd_elem *ret = NULL;
 	void *data = NULL;
 
 	if (!ioq || (ioq->sig != BC_LINK_DIOQ_SIG)) {
@@ -554,7 +554,7 @@ void *crystalhd_dioq_fetch(crystalhd_dioq_t *ioq)
 
 	spin_lock_irqsave(&ioq->lock, flags);
 	tmp = ioq->head;
-	if (tmp != (crystalhd_elem_t *)&ioq->head) {
+	if (tmp != (struct crystalhd_elem *)&ioq->head) {
 		ret = tmp;
 		tmp->flink->blink = tmp->blink;
 		tmp->blink->flink = tmp->flink;
@@ -578,11 +578,11 @@ void *crystalhd_dioq_fetch(crystalhd_dioq_t *ioq)
  *
  * Search TAG and remove the element.
  */
-void *crystalhd_dioq_find_and_fetch(crystalhd_dioq_t *ioq, uint32_t tag)
+void *crystalhd_dioq_find_and_fetch(struct crystalhd_dioq *ioq, uint32_t tag)
 {
 	unsigned long flags = 0;
-	crystalhd_elem_t *tmp;
-	crystalhd_elem_t *ret = NULL;
+	struct crystalhd_elem *tmp;
+	struct crystalhd_elem *ret = NULL;
 	void *data = NULL;
 
 	if (!ioq || (ioq->sig != BC_LINK_DIOQ_SIG)) {
@@ -592,7 +592,7 @@ void *crystalhd_dioq_find_and_fetch(crystalhd_dioq_t *ioq, uint32_t tag)
 
 	spin_lock_irqsave(&ioq->lock, flags);
 	tmp = ioq->head;
-	while (tmp != (crystalhd_elem_t *)&ioq->head) {
+	while (tmp != (struct crystalhd_elem *)&ioq->head) {
 		if (tmp->tag == tag) {
 			ret = tmp;
 			tmp->flink->blink = tmp->blink;
@@ -623,7 +623,7 @@ void *crystalhd_dioq_find_and_fetch(crystalhd_dioq_t *ioq, uint32_t tag)
  * Return element from head if Q is not empty. Wait for new element
  * if Q is empty for Timeout seconds.
  */
-void *crystalhd_dioq_fetch_wait(crystalhd_dioq_t *ioq, uint32_t to_secs,
+void *crystalhd_dioq_fetch_wait(struct crystalhd_dioq *ioq, uint32_t to_secs,
 			      uint32_t *sig_pend)
 {
 	unsigned long flags = 0;
@@ -673,12 +673,12 @@ out:
  * This routine maps user address and lock pages for DMA.
  *
  */
-BC_STATUS crystalhd_map_dio(struct crystalhd_adp *adp, void *ubuff,
+enum BC_STATUS crystalhd_map_dio(struct crystalhd_adp *adp, void *ubuff,
 			  uint32_t ubuff_sz, uint32_t uv_offset,
 			  bool en_422mode, bool dir_tx,
-			  crystalhd_dio_req **dio_hnd)
+			  struct crystalhd_dio_req **dio_hnd)
 {
-	crystalhd_dio_req	*dio;
+	struct crystalhd_dio_req	*dio;
 	/* FIXME: jarod: should some of these unsigned longs be uint32_t or uintptr_t? */
 	unsigned long start = 0, end = 0, uaddr = 0, count = 0;
 	unsigned long spsz = 0, uv_start = 0;
@@ -820,7 +820,7 @@ BC_STATUS crystalhd_map_dio(struct crystalhd_adp *adp, void *ubuff,
  *
  * This routine is to unmap the user buffer pages.
  */
-BC_STATUS crystalhd_unmap_dio(struct crystalhd_adp *adp, crystalhd_dio_req *dio)
+enum BC_STATUS crystalhd_unmap_dio(struct crystalhd_adp *adp, struct crystalhd_dio_req *dio)
 {
 	struct page *page = NULL;
 	int j = 0;
@@ -864,7 +864,7 @@ int crystalhd_create_dio_pool(struct crystalhd_adp *adp, uint32_t max_pages)
 {
 	uint32_t asz = 0, i = 0;
 	uint8_t	*temp;
-	crystalhd_dio_req *dio;
+	struct crystalhd_dio_req *dio;
 
 	if (!adp || !max_pages) {
 		BCMLOG_ERR("Invalid Arg!!\n");
@@ -893,7 +893,7 @@ int crystalhd_create_dio_pool(struct crystalhd_adp *adp, uint32_t max_pages)
 			return -ENOMEM;
 		}
 
-		dio = (crystalhd_dio_req *)temp;
+		dio = (struct crystalhd_dio_req *)temp;
 		temp += sizeof(*dio);
 		dio->pages = (struct page **)temp;
 		temp += (sizeof(*dio->pages) * max_pages);
@@ -923,7 +923,7 @@ int crystalhd_create_dio_pool(struct crystalhd_adp *adp, uint32_t max_pages)
  */
 void crystalhd_destroy_dio_pool(struct crystalhd_adp *adp)
 {
-	crystalhd_dio_req *dio;
+	struct crystalhd_dio_req *dio;
 	int count = 0;
 
 	if (!adp) {
@@ -965,7 +965,7 @@ int __devinit crystalhd_create_elem_pool(struct crystalhd_adp *adp,
 		uint32_t pool_size)
 {
 	uint32_t i;
-	crystalhd_elem_t *temp;
+	struct crystalhd_elem *temp;
 
 	if (!adp || !pool_size)
 		return -EINVAL;
@@ -993,7 +993,7 @@ int __devinit crystalhd_create_elem_pool(struct crystalhd_adp *adp,
  */
 void crystalhd_delete_elem_pool(struct crystalhd_adp *adp)
 {
-	crystalhd_elem_t *temp;
+	struct crystalhd_elem *temp;
 	int dbg_cnt = 0;
 
 	if (!adp)
diff --git a/drivers/staging/crystalhd/crystalhd_misc.h b/drivers/staging/crystalhd/crystalhd_misc.h
index 84331cd3327..382078eafa0 100644
--- a/drivers/staging/crystalhd/crystalhd_misc.h
+++ b/drivers/staging/crystalhd/crystalhd_misc.h
@@ -54,7 +54,7 @@ extern uint32_t g_linklog_level;
 /* Scatter Gather memory pool size for Tx and Rx */
 #define BC_LINK_SG_POOL_SZ    (BC_TX_LIST_CNT + BC_RX_LIST_CNT)
 
-enum _crystalhd_dio_sig {
+enum crystalhd_dio_sig {
 	crystalhd_dio_inv = 0,
 	crystalhd_dio_locked,
 	crystalhd_dio_sg_mapped,
@@ -76,7 +76,7 @@ struct crystalhd_dio_user_info {
 	bool			b422mode;
 };
 
-typedef struct _crystalhd_dio_req {
+struct crystalhd_dio_req {
 	uint32_t			sig;
 	uint32_t			max_pages;
 	struct page			**pages;
@@ -88,34 +88,34 @@ typedef struct _crystalhd_dio_req {
 	void				*fb_va;
 	uint32_t			fb_size;
 	dma_addr_t			fb_pa;
-	struct _crystalhd_dio_req		*next;
-} crystalhd_dio_req;
+	struct crystalhd_dio_req	*next;
+};
 
 #define BC_LINK_DIOQ_SIG	(0x09223280)
 
-typedef struct _crystalhd_elem_s {
-	struct _crystalhd_elem_s	*flink;
-	struct _crystalhd_elem_s	*blink;
+struct crystalhd_elem {
+	struct crystalhd_elem	*flink;
+	struct crystalhd_elem	*blink;
 	void			*data;
 	uint32_t		tag;
-} crystalhd_elem_t;
+};
 
 typedef void (*crystalhd_data_free_cb)(void *context, void *data);
 
-typedef struct _crystalhd_dioq_s {
+struct crystalhd_dioq {
 	uint32_t		sig;
 	struct crystalhd_adp	*adp;
-	crystalhd_elem_t		*head;
-	crystalhd_elem_t		*tail;
+	struct crystalhd_elem		*head;
+	struct crystalhd_elem		*tail;
 	uint32_t		count;
 	spinlock_t		lock;
 	wait_queue_head_t	event;
 	crystalhd_data_free_cb	data_rel_cb;
 	void			*cb_context;
-} crystalhd_dioq_t;
+};
 
-typedef void (*hw_comp_callback)(crystalhd_dio_req *,
-				 wait_queue_head_t *event, BC_STATUS sts);
+typedef void (*hw_comp_callback)(struct crystalhd_dio_req *,
+				 wait_queue_head_t *event, enum BC_STATUS sts);
 
 /*========= Decoder (7412) register access routines.================= */
 uint32_t bc_dec_reg_rd(struct crystalhd_adp *, uint32_t);
@@ -126,12 +126,12 @@ uint32_t crystalhd_reg_rd(struct crystalhd_adp *, uint32_t);
 void crystalhd_reg_wr(struct crystalhd_adp *, uint32_t, uint32_t);
 
 /*========= Decoder (7412) memory access routines..=================*/
-BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
-BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
+enum BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
+enum BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
 
 /*==========Link (70012) PCIe Config access routines.================*/
-BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
-BC_STATUS crystalhd_pci_cfg_wr(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t);
+enum BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
+enum BC_STATUS crystalhd_pci_cfg_wr(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t);
 
 /*========= Linux Kernel Interface routines. ======================= */
 void *bc_kern_dma_alloc(struct crystalhd_adp *, uint32_t, dma_addr_t *);
@@ -167,20 +167,20 @@ do {									\
 /*================ Direct IO mapping routines ==================*/
 extern int crystalhd_create_dio_pool(struct crystalhd_adp *, uint32_t);
 extern void crystalhd_destroy_dio_pool(struct crystalhd_adp *);
-extern BC_STATUS crystalhd_map_dio(struct crystalhd_adp *, void *, uint32_t,
-				   uint32_t, bool, bool, crystalhd_dio_req**);
+extern enum BC_STATUS crystalhd_map_dio(struct crystalhd_adp *, void *, uint32_t,
+				   uint32_t, bool, bool, struct crystalhd_dio_req**);
 
-extern BC_STATUS crystalhd_unmap_dio(struct crystalhd_adp *, crystalhd_dio_req*);
+extern enum BC_STATUS crystalhd_unmap_dio(struct crystalhd_adp *, struct crystalhd_dio_req*);
 #define crystalhd_get_sgle_paddr(_dio, _ix) (cpu_to_le64(sg_dma_address(&_dio->sg[_ix])))
 #define crystalhd_get_sgle_len(_dio, _ix) (cpu_to_le32(sg_dma_len(&_dio->sg[_ix])))
 
 /*================ General Purpose Queues ==================*/
-extern BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *, crystalhd_dioq_t **, crystalhd_data_free_cb , void *);
-extern void crystalhd_delete_dioq(struct crystalhd_adp *, crystalhd_dioq_t *);
-extern BC_STATUS crystalhd_dioq_add(crystalhd_dioq_t *ioq, void *data, bool wake, uint32_t tag);
-extern void *crystalhd_dioq_fetch(crystalhd_dioq_t *ioq);
-extern void *crystalhd_dioq_find_and_fetch(crystalhd_dioq_t *ioq, uint32_t tag);
-extern void *crystalhd_dioq_fetch_wait(crystalhd_dioq_t *ioq, uint32_t to_secs, uint32_t *sig_pend);
+extern enum BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *, struct crystalhd_dioq **, crystalhd_data_free_cb , void *);
+extern void crystalhd_delete_dioq(struct crystalhd_adp *, struct crystalhd_dioq *);
+extern enum BC_STATUS crystalhd_dioq_add(struct crystalhd_dioq *ioq, void *data, bool wake, uint32_t tag);
+extern void *crystalhd_dioq_fetch(struct crystalhd_dioq *ioq);
+extern void *crystalhd_dioq_find_and_fetch(struct crystalhd_dioq *ioq, uint32_t tag);
+extern void *crystalhd_dioq_fetch_wait(struct crystalhd_dioq *ioq, uint32_t to_secs, uint32_t *sig_pend);
 
 #define crystalhd_dioq_count(_ioq)	((_ioq) ? _ioq->count : 0)
 

From a57941c2e7a79d5143a63c06c06be36f786d5241 Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Tue, 18 May 2010 13:05:29 +0300
Subject: [PATCH 2031/3638] Staging: dt3155v4l: remove private memory allocator

This patch removes the private memory allocator
and all conjugated functions. Now the driver uses
videobuf-dma-contig module for allocations.
Added reserving 4MB coherent memory for private
per device allocations at probe time.

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/dt3155v4l/Kconfig       |   2 +-
 drivers/staging/dt3155v4l/Makefile      |   5 +-
 drivers/staging/dt3155v4l/dt3155-bufs.c | 256 ----------
 drivers/staging/dt3155v4l/dt3155-bufs.h |  88 ----
 drivers/staging/dt3155v4l/dt3155v4l.c   | 603 ++++--------------------
 drivers/staging/dt3155v4l/dt3155v4l.h   |   4 +-
 6 files changed, 107 insertions(+), 851 deletions(-)
 delete mode 100644 drivers/staging/dt3155v4l/dt3155-bufs.c
 delete mode 100644 drivers/staging/dt3155v4l/dt3155-bufs.h

diff --git a/drivers/staging/dt3155v4l/Kconfig b/drivers/staging/dt3155v4l/Kconfig
index f49f4ac035b..5cd5a575b64 100644
--- a/drivers/staging/dt3155v4l/Kconfig
+++ b/drivers/staging/dt3155v4l/Kconfig
@@ -9,7 +9,7 @@ config VIDEO_DT3155
 	  In doubt, say N.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called dt3155_v4l.
+	  module will be called dt3155v4l.
 
 config DT3155_CCIR
 	bool "Selects CCIR/50Hz vertical refresh"
diff --git a/drivers/staging/dt3155v4l/Makefile b/drivers/staging/dt3155v4l/Makefile
index 3a207ccd314..ce7a3ec2faf 100644
--- a/drivers/staging/dt3155v4l/Makefile
+++ b/drivers/staging/dt3155v4l/Makefile
@@ -1,4 +1 @@
-obj-$(CONFIG_VIDEO_DT3155)	+= dt3155_v4l.o
-dt3155_v4l-objs :=	\
-		dt3155-bufs.o	\
-		dt3155v4l.o
+obj-$(CONFIG_VIDEO_DT3155)	+= dt3155v4l.o
diff --git a/drivers/staging/dt3155v4l/dt3155-bufs.c b/drivers/staging/dt3155v4l/dt3155-bufs.c
deleted file mode 100644
index f93e431e786..00000000000
--- a/drivers/staging/dt3155v4l/dt3155-bufs.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2006-2010 by Marin Mitov                                *
- *   mitov@issp.bas.bg                                                     *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
- ***************************************************************************/
-
-#include "dt3155-bufs.h"
-
-/**
- * dt3155_init_chunks_buf - creates a chunk buffer and allocates memory for it
- *
- * returns:	a pointer to the struct dt3155_buf or NULL if failed
- *
- * Creates a struct dt3155_buf, then allocates a chunk of memory of
- * size DT3155_CHUNK_SIZE and sets all the pages in it as Reserved.
- * This is done to be able to use remap_pfn_range() on these buffers
- * (which do not work on normal memory if Reserved bit is not set)
- */
-struct dt3155_buf *
-dt3155_init_chunks_buf(void)
-{	/*  could sleep  */
-	struct dt3155_buf *buf;
-	int i;
-
-	buf = kzalloc(sizeof(*buf), GFP_KERNEL);
-	if (!buf)
-		return NULL;
-	buf->cpu = (void *)__get_free_pages(DT3155_CHUNK_FLAGS,
-					get_order(DT3155_CHUNK_SIZE));
-	if (!buf->cpu) {
-		kfree(buf);
-		return NULL;
-	}
-	for (i = 0; i < DT3155_CHUNK_SIZE; i += PAGE_SIZE)
-		SetPageReserved(virt_to_page(buf->cpu + i));
-	return buf;  /*   success  */
-}
-
-/**
- * dt3155_free_chunks_buf - destroys the specified buffer
- *
- * @buf:	the buffer to be freed
- *
- * Clears Reserved bit of all pages in the chunk, frees the chunk memory
- * and destroys struct dt3155_buf.
- */
-void
-dt3155_free_chunks_buf(struct dt3155_buf *buf)
-{
-	int i;
-
-	for (i = 0; i < DT3155_CHUNK_SIZE; i += PAGE_SIZE)
-		ClearPageReserved(virt_to_page(buf->cpu + i));
-	free_pages((unsigned long)buf->cpu, get_order(DT3155_CHUNK_SIZE));
-	kfree(buf);
-}
-
-/**
- * dt3155_init_fifo - creates and initializes a fifo
- *
- * returns:	a pointer to the crated and initialized struct dt3155_fifo
- *		or NULL if failed
- */
-struct dt3155_fifo *
-dt3155_init_fifo(void)
-{	/* could sleep  */
-	struct dt3155_fifo *fifo = kzalloc(sizeof(*fifo), GFP_KERNEL);
-	if (fifo)
-		spin_lock_init(&fifo->lock);
-	return fifo;
-}
-
-/*	dt3155_free_fifo(x)  defined as macro in dt3155.h   */
-
-/**
- * dt3155_get_buf - gets a buffer from the fifo
- *
- * @fifo:	the fifo to get a buffer from
- *
- * returns:	a pointer to the buffer or NULL if failed
- *
- * dt3155_get_buf gets the fifo's spin_lock and returns the
- * buffer pointed by the head. Could be used in any context.
- */
-struct dt3155_buf *
-dt3155_get_buf(struct dt3155_fifo *fifo)
-{
-	unsigned long flags;
-	struct dt3155_buf *tmp_buf;
-
-	spin_lock_irqsave(&fifo->lock, flags);
-	tmp_buf = fifo->head;
-	if (fifo->head)
-		fifo->head = fifo->head->next;
-	if (!fifo->head)
-		fifo->tail = NULL;
-	spin_unlock_irqrestore(&fifo->lock, flags);
-	return tmp_buf;
-}
-
-/**
- * dt3155_put_buf - puts a buffer into a fifo
- *
- * @buf:	the buffer to put
- * @fifo:	the fifo to put the buffer in
- *
- * dt3155_put_buf gets the fifo's spin_lock and puts the buf
- * at the tail of the fifo. Could be used in any context.
- */
-void
-dt3155_put_buf(struct dt3155_buf *buf, struct dt3155_fifo *fifo)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&fifo->lock, flags);
-	buf->next = NULL;
-	if (fifo->tail)
-		fifo->tail->next = buf;
-	fifo->tail = buf;
-	if (!fifo->head)
-		fifo->head = buf;
-	spin_unlock_irqrestore(&fifo->lock, flags);
-}
-
-/**
- * dt3155_init_chunks_fifo - creates and fills a chunks_fifo
- *
- * returns:	a pointer to the fifo or NULL if failed
- *
- * dt3155_init_chunks_fifo creates and fills the fifo with
- * a number of chunks <= DT3155_CHUNK_NUM. The returned fifo
- * contains at least one chunk.
- */
-struct dt3155_fifo *
-dt3155_init_chunks_fifo(void)
-{	/*  could sleep  */
-	int i;
-
-	struct dt3155_fifo *chunks;
-	struct dt3155_buf *tmp_buf;
-
-	chunks = dt3155_init_fifo();
-	if (!chunks)
-		return NULL;
-	tmp_buf = dt3155_init_chunks_buf();
-	if (!tmp_buf) {
-		dt3155_free_fifo(chunks);
-		return NULL;
-	}
-	dt3155_put_buf(tmp_buf, chunks);
-	for (i = 1; i < DT3155_CHUNK_NUM; i++) {
-		tmp_buf = dt3155_init_chunks_buf();
-		if (!tmp_buf)
-			break;
-		dt3155_put_buf(tmp_buf, chunks);
-	}
-	return chunks;
-}
-
-/**
- * dt3155_free_chunks_fifo - empties and destroys the chunks_fifo
- *
- * @chunks:	the chunks_fifo to be freed
- *
- * dt3155_free_chunks_fifo deallocates all chunks in the fifo and
- * destroys it.
- */
-void
-dt3155_free_chunks_fifo(struct dt3155_fifo *chunks)
-{
-	int buf_count = 0;
-	struct dt3155_buf *buf;
-
-	while ((buf = dt3155_get_buf(chunks))) {
-		dt3155_free_chunks_buf(buf);
-		buf_count++;
-	}
-	dt3155_free_fifo(chunks);
-	printk(KERN_INFO "dt3155: %i chunks freed\n", buf_count);
-}
-
-/**
- * dt3155_init_ibufs_fifo - creates and fills an image buffer fifo
- *
- * @chunks:	chunks_fifo to take memory from
- * @buf_size:	the size of image buffers
- *
- * returns:	a pointer to the fifo filled with image buffers
- *
- * dt3155_init_ibufs_fifo takes chunks from chunks_fifo, chops them
- * into pieces of size buf_size and fills image fifo with them.
- */
-struct dt3155_fifo *
-dt3155_init_ibufs_fifo(struct dt3155_fifo *chunks, int buf_size)
-{	/*  could sleep  */
-	int i, buf_count = 0;
-	struct dt3155_buf *tmp_ibuf, *chunks_buf, *last_chunk;
-	struct dt3155_fifo *tmp_fifo;
-
-	tmp_fifo = dt3155_init_fifo();
-	if (!tmp_fifo)
-		return NULL;
-	last_chunk = chunks->tail;
-	do {
-		chunks_buf = dt3155_get_buf(chunks);
-		dt3155_put_buf(chunks_buf, chunks);
-		for (i = 0; i < DT3155_CHUNK_SIZE / buf_size; i++) {
-			tmp_ibuf = kzalloc(sizeof(*tmp_ibuf), GFP_KERNEL);
-			if (tmp_ibuf) {
-				tmp_ibuf->cpu =
-					chunks_buf->cpu + DT3155_BUF_SIZE * i;
-				dt3155_put_buf(tmp_ibuf, tmp_fifo);
-				buf_count++;
-			} else {
-				if (buf_count) {
-					goto print_num_bufs;
-				} else {
-					dt3155_free_fifo(tmp_fifo);
-					return NULL;
-				}
-			}
-		}
-	} while (chunks_buf != last_chunk);
-print_num_bufs:
-	printk(KERN_INFO "dt3155: %i image buffers available\n", buf_count);
-	return tmp_fifo;
-}
-
-/**
- * dt3155_free_ibufs_fifo - empties and destroys an image fifo
- *
- * @fifo:	the fifo to free
- */
-void
-dt3155_free_ibufs_fifo(struct dt3155_fifo *fifo)
-{
-	struct dt3155_buf *tmp_ibuf;
-
-	while ((tmp_ibuf = dt3155_get_buf(fifo)))
-		kfree(tmp_ibuf);
-	kfree(fifo);
-}
diff --git a/drivers/staging/dt3155v4l/dt3155-bufs.h b/drivers/staging/dt3155v4l/dt3155-bufs.h
deleted file mode 100644
index db6d387231b..00000000000
--- a/drivers/staging/dt3155v4l/dt3155-bufs.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2006-2010 by Marin Mitov                                *
- *   mitov@issp.bas.bg                                                     *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
- ***************************************************************************/
-
-#ifndef _DT3155_BUFS_H_
-#define _DT3155_BUFS_H_
-
-#include <linux/pci.h>
-
-/* 4 chunks of 4MB, 9 buffers each = 36 buffers (> VIDEO_MAX_FRAME) */
-#define DT3155_CHUNK_NUM 4
-
-/* DT3155_CHUNK_SIZE should be 4M (2^22) or less, but more than image size */
-#define DT3155_CHUNK_SIZE (1U << 22)
-#define DT3155_CHUNK_FLAGS (GFP_KERNEL | GFP_DMA32 | __GFP_COLD | __GFP_NOWARN)
-
-/* DT3155_BUF_SIZE = 108 * PAGE_SIZE, so each buf is PAGE_SIZE alligned  */
-#define DT3155_BUF_SIZE (768 * 576)
-
-/**
- * struct dt3155_buf - image buffer structure
- *
- * @cpu:	virtual kernel address of the buffer
- * @dma:	dma (bus) address of the buffer
- * @next:	pointer to the next buffer in the fifo
- * @tv:		time value when the image has been acquired
- */
-struct dt3155_buf {
-	void *cpu;
-	dma_addr_t dma;
-	struct dt3155_buf *next;
-	struct timeval tv;
-};
-
-/**
- * struct dt3155_fifo - fifo structure
- *
- * @head:	pointer to the head of the fifo
- * @tail:	pionter to the tail of the fifo
- * @lock:	spin_lock to protect the fifo
- */
-struct dt3155_fifo {
-	struct dt3155_buf *head;
-	struct dt3155_buf *tail;
-	spinlock_t lock;
-};
-
-struct dt3155_buf * __must_check
-dt3155_init_chunks_buf(void);
-void
-dt3155_free_chunks_buf(struct dt3155_buf *buf);
-
-struct dt3155_fifo * __must_check
-dt3155_init_fifo(void);
-#define dt3155_free_fifo(x) kfree(x)
-
-struct dt3155_buf * __must_check
-dt3155_get_buf(struct dt3155_fifo *fifo);
-void
-dt3155_put_buf(struct dt3155_buf *buf, struct dt3155_fifo *fifo);
-
-struct dt3155_fifo * __must_check
-dt3155_init_chunks_fifo(void);
-void
-dt3155_free_chunks_fifo(struct dt3155_fifo *chunks);
-
-struct dt3155_fifo * __must_check
-dt3155_init_ibufs_fifo(struct dt3155_fifo *chunks, int buf_size);
-void
-dt3155_free_ibufs_fifo(struct dt3155_fifo *fifo);
-
-#endif /*  _DT3155_BUFS_H_  */
diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index 308fb45965b..6dc3af62284 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -18,22 +18,26 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
-#include <media/v4l2-dev.h>
-#include <media/videobuf-core.h>
-#include <media/v4l2-ioctl.h>
-#include <linux/pci.h>
 #include <linux/version.h>
 #include <linux/stringify.h>
 #include <linux/delay.h>
-#include <media/videobuf-dma-contig.h>
 #include <linux/kthread.h>
+#include <media/v4l2-dev.h>
+#include <media/v4l2-ioctl.h>
+#include <media/videobuf-dma-contig.h>
 
 #include "dt3155v4l.h"
-#include "dt3155-bufs.h"
 
 #define DT3155_VENDOR_ID 0x8086
 #define DT3155_DEVICE_ID 0x1223
 
+/* DT3155_CHUNK_SIZE is 4M (2^22) 8 full size buffers */
+#define DT3155_CHUNK_SIZE (1U << 22)
+
+#define DT3155_COH_FLAGS (GFP_KERNEL | GFP_DMA32 | __GFP_COLD | __GFP_NOWARN)
+
+#define DT3155_BUF_SIZE (768 * 576)
+
 /*  global initializers (for all boards)  */
 #ifdef CONFIG_DT3155_CCIR
 static const u8 csr2_init = VT_50HZ;
@@ -190,441 +194,6 @@ static int wait_i2c_reg(void __iomem *addr)
 	return 0;
 }
 
-/*
- * global pointers to a list of 4MB chunks reserved at driver
- * load, broken down to contiguous buffers of 768 * 576 bytes
- * each to form a pool of buffers for allocations
- * FIXME: add spinlock to protect moves between alloc/free lists
- */
-static struct dt3155_fifo *dt3155_chunks;	/* list of 4MB chuncks */
-static struct dt3155_fifo *dt3155_free_bufs;	/* list of free buffers */
-static struct dt3155_fifo *dt3155_alloc_bufs;	/* list of allocated buffers */
-
-/* same as in <drivers/media/video/videobuf-dma-contig.c> */
-struct videobuf_dma_contig_memory {
-	u32 magic;
-	void *vaddr;
-	dma_addr_t dma_handle;
-	unsigned long size;
-	int is_userptr;
-};
-
-#define MAGIC_DC_MEM 0x0733ac61
-#define MAGIC_CHECK(is, should)						    \
-	if (unlikely((is) != (should)))	{				    \
-		pr_err("magic mismatch: %x expected %x\n", (is), (should)); \
-		BUG();							    \
-	}
-
-/* helper functions to allocate/free buffers from the pool */
-static void *
-dt3155_alloc_buffer(struct device *dev, size_t size, dma_addr_t *dma_handle,
-								gfp_t flag)
-{
-	struct dt3155_buf *buf;
-
-	if (size > DT3155_BUF_SIZE)
-		return NULL;
-	size = DT3155_BUF_SIZE; /* same for CCIR & RS-170 */
-	buf = dt3155_get_buf(dt3155_free_bufs);
-	if (!buf)
-		return NULL;
-	buf->dma = dma_map_single(dev, buf->cpu, size, DMA_FROM_DEVICE);
-	if (dma_mapping_error(dev, buf->dma)) {
-		dt3155_put_buf(buf, dt3155_free_bufs);
-		return NULL;
-	}
-	dt3155_put_buf(buf, dt3155_alloc_bufs);
-	*dma_handle = buf->dma;
-	return buf->cpu;
-}
-
-static void
-dt3155_free_buffer(struct device *dev, size_t size, void *cpu_addr,
-							dma_addr_t dma_handle)
-{
-	struct dt3155_buf *buf, *last;
-	int found = 0;
-
-	if (!cpu_addr) /* to free NULL is OK */
-		return;
-	last = dt3155_get_buf(dt3155_alloc_bufs);
-	if (!last) {
-		printk(KERN_ERR "dt3155: %s(): no alloc buffers\n", __func__);
-		return;
-	}
-	dt3155_put_buf(last, dt3155_alloc_bufs);
-	do {
-		buf = dt3155_get_buf(dt3155_alloc_bufs);
-		if (buf->cpu == cpu_addr && buf->dma == dma_handle) {
-			found = 1;
-			break;
-		}
-		dt3155_put_buf(buf, dt3155_alloc_bufs);
-	} while (buf != last);
-	if (!found) {
-		printk(KERN_ERR "dt3155: %s(): buffer not found\n", __func__);
-		return;
-	}
-	size = DT3155_BUF_SIZE; /* same for CCIR & RS-170 */
-	dma_unmap_single(dev, dma_handle, size, DMA_FROM_DEVICE);
-	dt3155_put_buf(buf, dt3155_free_bufs);
-}
-
-/* same as videobuf_dma_contig_user_get() */
-static int
-dt3155_dma_contig_user_get(struct videobuf_dma_contig_memory *mem,
-					struct videobuf_buffer *vb)
-{
-	struct mm_struct *mm = current->mm;
-	struct vm_area_struct *vma;
-	unsigned long prev_pfn, this_pfn;
-	unsigned long pages_done, user_address;
-	unsigned int offset;
-	int ret;
-
-	offset = vb->baddr & ~PAGE_MASK;
-	mem->size = PAGE_ALIGN(vb->size + offset);
-	mem->is_userptr = 0;
-	ret = -EINVAL;
-
-	down_read(&mm->mmap_sem);
-
-	vma = find_vma(mm, vb->baddr);
-	if (!vma)
-		goto out_up;
-
-	if ((vb->baddr + mem->size) > vma->vm_end)
-		goto out_up;
-
-	pages_done = 0;
-	prev_pfn = 0; /* kill warning */
-	user_address = vb->baddr;
-
-	while (pages_done < (mem->size >> PAGE_SHIFT)) {
-		ret = follow_pfn(vma, user_address, &this_pfn);
-		if (ret)
-			break;
-
-		if (pages_done == 0)
-			mem->dma_handle = (this_pfn << PAGE_SHIFT) + offset;
-		else if (this_pfn != (prev_pfn + 1))
-			ret = -EFAULT;
-
-		if (ret)
-			break;
-
-		prev_pfn = this_pfn;
-		user_address += PAGE_SIZE;
-		pages_done++;
-	}
-
-	if (!ret)
-		mem->is_userptr = 1;
-
- out_up:
-	up_read(&current->mm->mmap_sem);
-
-	return ret;
-}
-
-/* same as videobuf_dma_contig_user_put() */
-static void
-dt3155_dma_contig_user_put(struct videobuf_dma_contig_memory *mem)
-{
-	mem->is_userptr = 0;
-	mem->dma_handle = 0;
-	mem->size = 0;
-}
-
-/* same as videobuf_iolock() but uses allocations from the pool */
-static int
-dt3155_iolock(struct videobuf_queue *q, struct videobuf_buffer *vb,
-						struct v4l2_framebuffer *fbuf)
-{
-	struct videobuf_dma_contig_memory *mem = vb->priv;
-
-	BUG_ON(!mem);
-	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
-
-	switch (vb->memory) {
-	case V4L2_MEMORY_MMAP:
-		dev_dbg(q->dev, "%s memory method MMAP\n", __func__);
-
-		/* All handling should be done by __videobuf_mmap_mapper() */
-		if (!mem->vaddr) {
-			dev_err(q->dev, "memory is not alloced/mmapped.\n");
-			return -EINVAL;
-		}
-		break;
-	case V4L2_MEMORY_USERPTR:
-		dev_dbg(q->dev, "%s memory method USERPTR\n", __func__);
-
-		/* handle pointer from user space */
-		if (vb->baddr)
-			return dt3155_dma_contig_user_get(mem, vb);
-
-		/* allocate memory for the read() method */
-		mem->size = PAGE_ALIGN(vb->size);
-		mem->vaddr = dt3155_alloc_buffer(q->dev, mem->size,
-						&mem->dma_handle, GFP_KERNEL);
-		if (!mem->vaddr) {
-			dev_err(q->dev, "dma_alloc_coherent %ld failed\n",
-					 mem->size);
-			return -ENOMEM;
-		}
-
-		dev_dbg(q->dev, "dma_alloc_coherent data is at %p (%ld)\n",
-			mem->vaddr, mem->size);
-		break;
-	case V4L2_MEMORY_OVERLAY:
-	default:
-		dev_dbg(q->dev, "%s memory method OVERLAY/unknown\n",
-			__func__);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/* same as videobuf_dma_contig_free() but uses the pool */
-void
-dt3155_dma_contig_free(struct videobuf_queue *q, struct videobuf_buffer *buf)
-{
-	struct videobuf_dma_contig_memory *mem = buf->priv;
-
-	/* mmapped memory can't be freed here, otherwise mmapped region
-	   would be released, while still needed. In this case, the memory
-	   release should happen inside videobuf_vm_close().
-	   So, it should free memory only if the memory were allocated for
-	   read() operation.
-	 */
-	if (buf->memory != V4L2_MEMORY_USERPTR)
-		return;
-
-	if (!mem)
-		return;
-
-	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
-
-	/* handle user space pointer case */
-	if (buf->baddr) {
-		dt3155_dma_contig_user_put(mem);
-		return;
-	}
-
-	/* read() method */
-	dt3155_free_buffer(q->dev, mem->size, mem->vaddr, mem->dma_handle);
-	mem->vaddr = NULL;
-}
-
-/* same as videobuf_vm_open() */
-static void
-dt3155_vm_open(struct vm_area_struct *vma)
-{
-	struct videobuf_mapping *map = vma->vm_private_data;
-
-	dev_dbg(map->q->dev, "vm_open %p [count=%u,vma=%08lx-%08lx]\n",
-		map, map->count, vma->vm_start, vma->vm_end);
-
-	map->count++;
-}
-
-/* same as videobuf_vm_close(), but free to the pool */
-static void
-dt3155_vm_close(struct vm_area_struct *vma)
-{
-	struct videobuf_mapping *map = vma->vm_private_data;
-	struct videobuf_queue *q = map->q;
-	int i;
-
-	dev_dbg(q->dev, "vm_close %p [count=%u,vma=%08lx-%08lx]\n",
-		map, map->count, vma->vm_start, vma->vm_end);
-
-	map->count--;
-	if (0 == map->count) {
-		struct videobuf_dma_contig_memory *mem;
-
-		dev_dbg(q->dev, "munmap %p q=%p\n", map, q);
-		mutex_lock(&q->vb_lock);
-
-		/* We need first to cancel streams, before unmapping */
-		if (q->streaming)
-			videobuf_queue_cancel(q);
-
-		for (i = 0; i < VIDEO_MAX_FRAME; i++) {
-			if (NULL == q->bufs[i])
-				continue;
-
-			if (q->bufs[i]->map != map)
-				continue;
-
-			mem = q->bufs[i]->priv;
-			if (mem) {
-				/* This callback is called only if kernel has
-				   allocated memory and this memory is mmapped.
-				   In this case, memory should be freed,
-				   in order to do memory unmap.
-				 */
-
-				MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
-
-				/* vfree is not atomic - can't be
-				   called with IRQ's disabled
-				 */
-				dev_dbg(q->dev, "buf[%d] freeing %p\n",
-					i, mem->vaddr);
-
-				dt3155_free_buffer(q->dev, mem->size,
-						mem->vaddr, mem->dma_handle);
-				mem->vaddr = NULL;
-			}
-
-			q->bufs[i]->map   = NULL;
-			q->bufs[i]->baddr = 0;
-		}
-
-		kfree(map);
-
-		mutex_unlock(&q->vb_lock);
-	}
-}
-
-static const struct vm_operations_struct dt3155_vm_ops = {
-	.open     = dt3155_vm_open,
-	.close    = dt3155_vm_close,
-};
-
-/* same as videobuf_mmap_mapper(), but allocates from the pool */
-static int
-dt3155_mmap_mapper(struct videobuf_queue *q, struct videobuf_buffer *buf,
-						struct vm_area_struct *vma)
-{
-	struct videobuf_dma_contig_memory *mem;
-	struct videobuf_mapping *map;
-	int retval;
-	unsigned long size;
-
-	dev_dbg(q->dev, "%s\n", __func__);
-
-	/* create mapping + update buffer list */
-	map = kzalloc(sizeof(struct videobuf_mapping), GFP_KERNEL);
-	if (!map)
-		return -ENOMEM;
-
-	buf->map = map;
-	map->start = vma->vm_start;
-	map->end = vma->vm_end;
-	map->q = q;
-
-	buf->baddr = vma->vm_start;
-
-	mem = buf->priv;
-	BUG_ON(!mem);
-	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
-
-	mem->size = PAGE_ALIGN(buf->bsize);
-	mem->vaddr = dt3155_alloc_buffer(q->dev, mem->size,
-					&mem->dma_handle, GFP_KERNEL);
-	if (!mem->vaddr) {
-		dev_err(q->dev, "dma_alloc_coherent size %ld failed\n",
-			mem->size);
-		goto error;
-	}
-	dev_dbg(q->dev, "dma_alloc_coherent data is at addr %p (size %ld)\n",
-		mem->vaddr, mem->size);
-
-	/* Try to remap memory */
-
-	size = vma->vm_end - vma->vm_start;
-	size = (size < mem->size) ? size : mem->size;
-
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-	retval = remap_pfn_range(vma, vma->vm_start,
-				 mem->dma_handle >> PAGE_SHIFT,
-				 size, vma->vm_page_prot);
-	if (retval) {
-		dev_err(q->dev, "mmap: remap failed with error %d. ", retval);
-		dt3155_free_buffer(q->dev, mem->size,
-				  mem->vaddr, mem->dma_handle);
-		goto error;
-	}
-
-	vma->vm_ops          = &dt3155_vm_ops;
-	vma->vm_flags       |= VM_DONTEXPAND;
-	vma->vm_private_data = map;
-
-	dev_dbg(q->dev, "mmap %p: q=%p %08lx-%08lx (%lx) pgoff %08lx buf %d\n",
-		map, q, vma->vm_start, vma->vm_end,
-		(long int)buf->bsize,
-		vma->vm_pgoff, buf->i);
-
-	dt3155_vm_open(vma);
-
-	return 0;
-
-error:
-	kfree(map);
-	return -ENOMEM;
-}
-
-static int
-dt3155_sync_for_cpu(struct videobuf_queue *q, struct videobuf_buffer *vb)
-{
-	struct dt3155_priv *pd = q->priv_data;
-	struct videobuf_dma_contig_memory *mem = vb->priv;
-
-	BUG_ON(!mem);
-	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
-
-	pci_dma_sync_single_for_cpu(pd->pdev, mem->dma_handle,
-					mem->size, PCI_DMA_FROMDEVICE);
-	return 0;
-}
-
-static int
-dt3155_sync_for_device(struct videobuf_queue *q, struct videobuf_buffer *vb)
-{
-	struct dt3155_priv *pd = q->priv_data;
-	struct videobuf_dma_contig_memory *mem = vb->priv;
-
-	BUG_ON(!mem);
-	MAGIC_CHECK(mem->magic, MAGIC_DC_MEM);
-
-	pci_dma_sync_single_for_device(pd->pdev, mem->dma_handle,
-						mem->size, PCI_DMA_FROMDEVICE);
-	return 0;
-}
-
-/*
- * same as videobuf_queue_dma_contig_init(), but after
- * initialisation overwrites videobuf_iolock() and
- * videobuf_mmap_mapper() with our customized versions
- * as well as adds sync() method
- */
-static void
-dt3155_queue_dma_contig_init(struct videobuf_queue *q,
-					struct videobuf_queue_ops *ops,
-					struct device *dev,
-					spinlock_t *irqlock,
-					enum v4l2_buf_type type,
-					enum v4l2_field field,
-					unsigned int msize,
-					void *priv)
-{
-	struct dt3155_priv *pd = priv;
-
-	videobuf_queue_dma_contig_init(q, ops, dev, irqlock,
-				       type, field, msize, priv);
-	/* replace with local copy */
-	pd->qt_ops = *q->int_ops;
-	q->int_ops = &pd->qt_ops;
-	/* and overwrite with our methods */
-	q->int_ops->iolock = dt3155_iolock;
-	q->int_ops->mmap_mapper = dt3155_mmap_mapper;
-	q->int_ops->sync = dt3155_sync_for_cpu;
-}
-
 static int
 dt3155_start_acq(struct dt3155_priv *pd)
 {
@@ -699,7 +268,7 @@ dt3155_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 	if (ret) {
 		vb->state = VIDEOBUF_ERROR;
 		printk(KERN_ERR "ERROR: videobuf_iolock() failed\n");
-		videobuf_dma_contig_free(q, vb);
+		videobuf_dma_contig_free(q, vb); /* FIXME: needed? */
 	} else
 		vb->state = VIDEOBUF_PREPARED;
 	return ret;
@@ -713,7 +282,6 @@ dt3155_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 
 	if (vb->state != VIDEOBUF_NEEDS_INIT) {
 		vb->state = VIDEOBUF_QUEUED;
-		dt3155_sync_for_device(q, vb);
 		list_add_tail(&vb->queue, &pd->dmaq);
 		wake_up_interruptible_sync(&pd->do_dma);
 	} else
@@ -726,7 +294,7 @@ dt3155_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 {
 	if (vb->state == VIDEOBUF_ACTIVE)
 		videobuf_waiton(vb, 0, 0); /* FIXME: cannot be interrupted */
-	dt3155_dma_contig_free(q, vb);
+	videobuf_dma_contig_free(q, vb);
 	vb->state = VIDEOBUF_NEEDS_INIT;
 }
 
@@ -869,7 +437,7 @@ dt3155_open(struct file *filp)
 			ret = -ENOMEM;
 			goto err_alloc_queue;
 		}
-		dt3155_queue_dma_contig_init(pd->vidq, &vbq_ops,
+		videobuf_queue_dma_contig_init(pd->vidq, &vbq_ops,
 				&pd->pdev->dev, &pd->lock,
 				V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE,
 				sizeof(struct videobuf_buffer), pd);
@@ -1317,11 +885,13 @@ static const struct v4l2_ioctl_ops dt3155_ioctl_ops = {
 static int __devinit
 dt3155_init_board(struct pci_dev *dev)
 {
+	struct dt3155_priv *pd = pci_get_drvdata(dev);
+	void *buf_cpu;
+	dma_addr_t buf_dma;
 	int i;
 	u8 tmp;
-	struct dt3155_buf *buf;
-	struct dt3155_priv *pd = pci_get_drvdata(dev);
-	pci_set_master(dev); /* dt3155 needs it  */
+
+	pci_set_master(dev); /* dt3155 needs it */
 
 	/*  resetting the adapter  */
 	iowrite32(FLD_CRPT_ODD | FLD_CRPT_EVEN | FLD_DN_ODD | FLD_DN_EVEN,
@@ -1381,22 +951,16 @@ dt3155_init_board(struct pci_dev *dev)
 	write_i2c_reg(pd->regs, AD_ADDR, AD_CMD_REG);
 	write_i2c_reg(pd->regs, AD_CMD, VIDEO_CNL_1 | SYNC_CNL_1 | SYNC_LVL_3);
 
-	/* allocate and pci_map memory, and initialize the DMA machine */
-	buf = dt3155_get_buf(dt3155_free_bufs);
-	if (!buf) {
-		printk(KERN_ERR "dt3155: dt3155_get_buf "
+	/* allocate memory, and initialize the DMA machine */
+	buf_cpu = dma_alloc_coherent(&dev->dev, DT3155_BUF_SIZE, &buf_dma,
+								GFP_KERNEL);
+	if (!buf_cpu) {
+		printk(KERN_ERR "dt3155: dma_alloc_coherent "
 					"(in dt3155_init_board) failed\n");
 		return -ENOMEM;
 	}
-	buf->dma = pci_map_single(dev, buf->cpu,
-					DT3155_BUF_SIZE, PCI_DMA_FROMDEVICE);
-	if (pci_dma_mapping_error(dev, buf->dma)) {
-		printk(KERN_ERR "dt3155: pci_map_single failed\n");
-		dt3155_put_buf(buf, dt3155_free_bufs);
-		return -ENOMEM;
-	}
-	iowrite32(buf->dma, pd->regs + EVEN_DMA_START);
-	iowrite32(buf->dma, pd->regs + ODD_DMA_START);
+	iowrite32(buf_dma, pd->regs + EVEN_DMA_START);
+	iowrite32(buf_dma, pd->regs + ODD_DMA_START);
 	iowrite32(0, pd->regs + EVEN_DMA_STRIDE);
 	iowrite32(0, pd->regs + ODD_DMA_STRIDE);
 
@@ -1413,9 +977,8 @@ dt3155_init_board(struct pci_dev *dev)
 	write_i2c_reg(pd->regs, CSR2, pd->csr2);
 	iowrite32(FIFO_EN | SRST | FLD_DN_EVEN | FLD_DN_ODD, pd->regs + CSR1);
 
-	/*  pci_unmap and deallocate memory  */
-	pci_unmap_single(dev, buf->dma, DT3155_BUF_SIZE, PCI_DMA_FROMDEVICE);
-	dt3155_put_buf(buf, dt3155_free_bufs);
+	/*  deallocate memory  */
+	dma_free_coherent(&dev->dev, DT3155_BUF_SIZE, buf_cpu, buf_dma);
 	if (tmp & BUSY_EVEN) {
 		printk(KERN_ERR "dt3155: BUSY_EVEN not cleared\n");
 		return -EIO;
@@ -1433,17 +996,82 @@ static struct video_device dt3155_vdev = {
 	.current_norm = DT3155_CURRENT_NORM,
 };
 
+/* same as in drivers/base/dma-coherent.c */
+struct dma_coherent_mem {
+	void		*virt_base;
+	u32		device_base;
+	int		size;
+	int		flags;
+	unsigned long	*bitmap;
+};
+
+static int __devinit
+dt3155_alloc_coherent(struct device *dev, size_t size, int flags)
+{
+	int pages = size >> PAGE_SHIFT;
+	int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long);
+
+	if ((flags & DMA_MEMORY_MAP) == 0)
+		goto out;
+	if (!size)
+		goto out;
+	if (dev->dma_mem)
+		goto out;
+
+	dev->dma_mem = kzalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);
+	if (!dev->dma_mem)
+		goto out;
+	dev->dma_mem->bitmap = kzalloc(bitmap_size, GFP_KERNEL);
+	if (!dev->dma_mem->bitmap)
+		goto err_bitmap;
+
+	dev->dma_mem->virt_base = dma_alloc_coherent(dev, size,
+				&dev->dma_mem->device_base, DT3155_COH_FLAGS);
+	if (!dev->dma_mem->virt_base)
+		goto err_coherent;
+	dev->dma_mem->size = pages;
+	dev->dma_mem->flags = flags;
+	return DMA_MEMORY_MAP;
+
+err_coherent:
+	kfree(dev->dma_mem->bitmap);
+err_bitmap:
+	kfree(dev->dma_mem);
+out:
+	return 0;
+}
+
+static void __devexit
+dt3155_free_coherent(struct device *dev)
+{
+	struct dma_coherent_mem *mem = dev->dma_mem;
+
+	if (!mem)
+		return;
+	dev->dma_mem = NULL;
+	dma_free_coherent(dev, mem->size << PAGE_SHIFT,
+					mem->virt_base, mem->device_base);
+	kfree(mem->bitmap);
+	kfree(mem);
+}
+
 static int __devinit
 dt3155_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	int err = -ENODEV;
+	int err;
 	struct dt3155_priv *pd;
 
 	printk(KERN_INFO "dt3155: probe()\n");
-	if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
+	err = dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
+	if (err) {
 		printk(KERN_ERR "dt3155: cannot set dma_mask\n");
 		return -ENODEV;
 	}
+	err = dma_set_coherent_mask(&dev->dev, DMA_BIT_MASK(32));
+	if (err) {
+		printk(KERN_ERR "dt3155: cannot set dma_coherent_mask\n");
+		return -ENODEV;
+	}
 	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
 	if (!pd) {
 		printk(KERN_ERR "dt3155: cannot allocate dt3155_priv\n");
@@ -1451,12 +1079,12 @@ dt3155_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	}
 	pd->vdev = video_device_alloc();
 	if (!pd->vdev) {
-		printk(KERN_ERR "dt3155: cannot allocate vdp structure\n");
+		printk(KERN_ERR "dt3155: cannot allocate vdev structure\n");
 		goto err_video_device_alloc;
 	}
 	*pd->vdev = dt3155_vdev;
-	pci_set_drvdata(dev, pd);   /* for use in dt3155_remove()  */
-	video_set_drvdata(pd->vdev, pd);  /* for use in video_fops  */
+	pci_set_drvdata(dev, pd);    /* for use in dt3155_remove() */
+	video_set_drvdata(pd->vdev, pd);  /* for use in video_fops */
 	pd->users = 0;
 	pd->acq_fp = NULL;
 	pd->pdev = dev;
@@ -1489,6 +1117,10 @@ dt3155_probe(struct pci_dev *dev, const struct pci_device_id *id)
 		printk(KERN_ERR "dt3155: Cannot register video device\n");
 		goto err_init_board;
 	}
+	err = dt3155_alloc_coherent(&dev->dev, DT3155_CHUNK_SIZE,
+							DMA_MEMORY_MAP);
+	if (err)
+		printk(KERN_INFO "dt3155: preallocated 8 buffers\n");
 	printk(KERN_INFO "dt3155: /dev/video%i is ready\n", pd->vdev->minor);
 	return 0;  /*   success   */
 
@@ -1511,6 +1143,7 @@ dt3155_remove(struct pci_dev *dev)
 	struct dt3155_priv *pd = pci_get_drvdata(dev);
 
 	printk(KERN_INFO "dt3155: remove()\n");
+	dt3155_free_coherent(&dev->dev);
 	video_unregister_device(pd->vdev);
 	pci_iounmap(dev, pd->regs);
 	pci_release_region(pd->pdev, 0);
@@ -1542,48 +1175,18 @@ dt3155_init_module(void)
 
 	printk(KERN_INFO "dt3155: ==================\n");
 	printk(KERN_INFO "dt3155: init()\n");
-	dt3155_chunks = dt3155_init_chunks_fifo();
-	if (!dt3155_chunks) {
-		err = -ENOMEM;
-		printk(KERN_ERR "dt3155: cannot init dt3155_chunks_fifo\n");
-		goto err_init_chunks_fifo;
-	}
-	dt3155_free_bufs = dt3155_init_ibufs_fifo(dt3155_chunks,
-							DT3155_BUF_SIZE);
-	if (!dt3155_free_bufs) {
-		err = -ENOMEM;
-		printk(KERN_ERR "dt3155: cannot dt3155_init_ibufs_fifo\n");
-		goto err_init_ibufs_fifo;
-	}
-	dt3155_alloc_bufs = dt3155_init_fifo();
-	if (!dt3155_alloc_bufs) {
-		err = -ENOMEM;
-		printk(KERN_ERR "dt3155: cannot dt3155_init_fifo\n");
-		goto err_init_fifo;
-	}
 	err = pci_register_driver(&pci_driver);
 	if (err) {
 		printk(KERN_ERR "dt3155: cannot register pci_driver\n");
-		goto err_register_driver;
+		return err;
 	}
 	return 0; /* succes */
-err_register_driver:
-	dt3155_free_fifo(dt3155_alloc_bufs);
-err_init_fifo:
-	dt3155_free_ibufs_fifo(dt3155_free_bufs);
-err_init_ibufs_fifo:
-	dt3155_free_chunks_fifo(dt3155_chunks);
-err_init_chunks_fifo:
-	return err;
 }
 
 static void __exit
 dt3155_exit_module(void)
 {
 	pci_unregister_driver(&pci_driver);
-	dt3155_free_fifo(dt3155_alloc_bufs);
-	dt3155_free_ibufs_fifo(dt3155_free_bufs);
-	dt3155_free_chunks_fifo(dt3155_chunks);
 	printk(KERN_INFO "dt3155: exit()\n");
 	printk(KERN_INFO "dt3155: ==================\n");
 }
diff --git a/drivers/staging/dt3155v4l/dt3155v4l.h b/drivers/staging/dt3155v4l/dt3155v4l.h
index e65a81e198b..aa68a6f38aa 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.h
+++ b/drivers/staging/dt3155v4l/dt3155v4l.h
@@ -29,8 +29,8 @@
 
 #define DT3155_NAME "dt3155"
 #define DT3155_VER_MAJ 1
-#define DT3155_VER_MIN 0
-#define DT3155_VER_EXT 3
+#define DT3155_VER_MIN 1
+#define DT3155_VER_EXT 0
 #define DT3155_VERSION  __stringify(DT3155_VER_MAJ)	"."		\
 			__stringify(DT3155_VER_MIN)	"."		\
 			__stringify(DT3155_VER_EXT)

From 7ec52ed25013533248d929d4405225d30c4272b2 Mon Sep 17 00:00:00 2001
From: Alessio Igor Bogani <abogani@texware.it>
Date: Tue, 18 May 2010 13:12:32 +0200
Subject: [PATCH 2032/3638] Staging: comedi: quatech_daqp_cs.c Replace eos
 semaphore with a completion.

Build tested only.

Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/quatech_daqp_cs.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index be62face6a7..d77ae81dd12 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -55,6 +55,8 @@ Devices: [Quatech] DAQP-208 (daqp), DAQP-308
 #include <pcmcia/cisreg.h>
 #include <pcmcia/ds.h>
 
+#include <linux/completion.h>
+
 /* Maximum number of separate DAQP devices we'll allow */
 #define MAX_DEV         4
 
@@ -67,7 +69,7 @@ struct local_info_t {
 
 	enum { semaphore, buffer } interrupt_mode;
 
-	struct semaphore eos;
+	struct completion eos;
 
 	struct comedi_device *dev;
 	struct comedi_subdevice *s;
@@ -238,7 +240,7 @@ static int daqp_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 /* Interrupt handler
  *
  * Operates in one of two modes.  If local->interrupt_mode is
- * 'semaphore', just signal the local->eos semaphore and return
+ * 'semaphore', just signal the local->eos completion and return
  * (one-shot mode).  Otherwise (continuous mode), read data in from
  * the card, transfer it to the buffer provided by the higher-level
  * comedi kernel module, and signal various comedi callback routines,
@@ -287,7 +289,7 @@ static enum irqreturn daqp_interrupt(int irq, void *dev_id)
 
 	case semaphore:
 
-		up(&local->eos);
+		complete(&local->eos);
 		break;
 
 	case buffer:
@@ -401,8 +403,7 @@ static int daqp_ai_insn_read(struct comedi_device *dev,
 		return -1;
 	}
 
-	/* Make sure semaphore is blocked */
-	sema_init(&local->eos, 0);
+	init_completion(&local->eos);
 	local->interrupt_mode = semaphore;
 	local->dev = dev;
 	local->s = s;
@@ -413,9 +414,9 @@ static int daqp_ai_insn_read(struct comedi_device *dev,
 		outb(DAQP_COMMAND_ARM | DAQP_COMMAND_FIFO_DATA,
 		     dev->iobase + DAQP_COMMAND);
 
-		/* Wait for interrupt service routine to unblock semaphore */
+		/* Wait for interrupt service routine to unblock completion */
 		/* Maybe could use a timeout here, but it's interruptible */
-		if (down_interruptible(&local->eos))
+		if (wait_for_completion_interruptible(&local->eos))
 			return -EINTR;
 
 		data[i] = inb(dev->iobase + DAQP_FIFO);

From 21ec51f3df9fd3c83ce0a4ac6a18e5083984b8ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Tue, 18 May 2010 10:08:14 -0700
Subject: [PATCH 2033/3638] Staging: vt6656: use ETH_HLEN macro instead of
 custom one
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Replace custom header length definition U_HEADER_LEN by ETH_HLEN
from <linux/if_ether.h>. Also remove unused U_TYPE_LEN.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6656/rxtx.c   | 20 ++++++++++----------
 drivers/staging/vt6656/tether.h |  6 ++----
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 6a4b87f0954..c41105526a8 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -1483,7 +1483,7 @@ s_bPacketToWirelessUsb(
         cb802_1_H_len = 0;
     }
 
-    cbFrameBodySize = uSkbPacketLen - U_HEADER_LEN + cb802_1_H_len;
+    cbFrameBodySize = uSkbPacketLen - ETH_HLEN + cb802_1_H_len;
 
     //Set packet type
     pTxBufHead->wFIFOCtl |= (WORD)(byPktType<<8);
@@ -1729,13 +1729,13 @@ s_bPacketToWirelessUsb(
     if (pPacket != NULL) {
         // Copy the Packet into a tx Buffer
         memcpy((pbyPayloadHead + cb802_1_H_len),
-                 (pPacket + U_HEADER_LEN),
-                 uSkbPacketLen - U_HEADER_LEN
+                 (pPacket + ETH_HLEN),
+                 uSkbPacketLen - ETH_HLEN
                  );
 
     } else {
         // while bRelayPacketSend psEthHeader is point to header+payload
-        memcpy((pbyPayloadHead + cb802_1_H_len), ((PBYTE)psEthHeader)+U_HEADER_LEN, uSkbPacketLen - U_HEADER_LEN);
+        memcpy((pbyPayloadHead + cb802_1_H_len), ((PBYTE)psEthHeader) + ETH_HLEN, uSkbPacketLen - ETH_HLEN);
     }
 
     ASSERT(uLength == cbNdisBodySize);
@@ -2849,7 +2849,7 @@ nsDMA_tx_packet(
         return STATUS_RESOURCES;
     }
 
-    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)(skb->data), U_HEADER_LEN);
+    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)(skb->data), ETH_HLEN);
 
 //mike add:station mode check eapol-key challenge--->
 {
@@ -2858,10 +2858,10 @@ nsDMA_tx_packet(
     BYTE  Descriptor_type;
     WORD Key_info;
 
-    Protocol_Version = skb->data[U_HEADER_LEN];
-    Packet_Type = skb->data[U_HEADER_LEN+1];
-    Descriptor_type = skb->data[U_HEADER_LEN+1+1+2];
-    Key_info = (skb->data[U_HEADER_LEN+1+1+2+1] << 8)|(skb->data[U_HEADER_LEN+1+1+2+2]);
+    Protocol_Version = skb->data[ETH_HLEN];
+    Packet_Type = skb->data[ETH_HLEN+1];
+    Descriptor_type = skb->data[ETH_HLEN+1+1+2];
+    Key_info = (skb->data[ETH_HLEN+1+1+2+1] << 8)|(skb->data[ETH_HLEN+1+1+2+2]);
    if (pDevice->sTxEthHeader.wType == TYPE_PKT_802_1x) {
            if(((Protocol_Version==1) ||(Protocol_Version==2)) &&
 	        (Packet_Type==3)) {  //802.1x OR eapol-key challenge frame transfer
@@ -3195,7 +3195,7 @@ bRelayPacketSend (
         return FALSE;
     }
 
-    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)pbySkbData, U_HEADER_LEN);
+    memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)pbySkbData, ETH_HLEN);
 
     if (pDevice->bEncryptionEnable == TRUE) {
         bNeedEncryption = TRUE;
diff --git a/drivers/staging/vt6656/tether.h b/drivers/staging/vt6656/tether.h
index f5819a7aee2..d63586d5cdb 100644
--- a/drivers/staging/vt6656/tether.h
+++ b/drivers/staging/vt6656/tether.h
@@ -36,19 +36,17 @@
 //
 // constants
 //
-#define U_TYPE_LEN          2           //
 #define U_CRC_LEN           4           //
-#define U_HEADER_LEN        (ETH_ALEN * 2 + U_TYPE_LEN)
 #define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
                                         // Ethernet address string length
 
 #define MIN_DATA_LEN        46          // min data length
 #define MAX_DATA_LEN        1500        // max data length
 
-#define MIN_PACKET_LEN      (MIN_DATA_LEN + U_HEADER_LEN)
+#define MIN_PACKET_LEN      (MIN_DATA_LEN + ETH_HLEN)
                                         // 60
                                         // min total packet length (tx)
-#define MAX_PACKET_LEN      (MAX_DATA_LEN + U_HEADER_LEN)
+#define MAX_PACKET_LEN      (MAX_DATA_LEN + ETH_HLEN)
                                         // 1514
                                         // max total packet length (tx)
 

From 855181f51558dca10c8acc27f1f81e0809ddf057 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Tue, 18 May 2010 10:19:36 -0700
Subject: [PATCH 2034/3638] Staging: vt6655: use ETH_FCS_LEN macro instead of
 custom one
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Replace custom FCS/CRC length definition U_CRC_LEN by ETH_FCS_LEN
from <linux/if_ether.h>.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/dpc.c    | 2 +-
 drivers/staging/vt6655/tether.h | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index 83040f4f6c7..6b758a8c1af 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -569,7 +569,7 @@ device_receive_frame (
     // RX OK
     //
     //remove the CRC length
-    FrameSize -= U_CRC_LEN;
+    FrameSize -= ETH_FCS_LEN;
 
     if (( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address
         (IS_FRAGMENT_PKT((skb->data+4)))
diff --git a/drivers/staging/vt6655/tether.h b/drivers/staging/vt6655/tether.h
index 4f2af359c06..bc82a6b425e 100644
--- a/drivers/staging/vt6655/tether.h
+++ b/drivers/staging/vt6655/tether.h
@@ -36,7 +36,6 @@
 //
 // constants
 //
-#define U_CRC_LEN           4           //
 #define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
                                         // Ethernet address string length
 

From 31c21b779181140e0b7eadadbd5e0f518e131488 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Tue, 18 May 2010 11:30:19 -0700
Subject: [PATCH 2035/3638] Staging: vt6655: use ETH_DATA_LEN macro instead of
 custom one
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Replace custom maximum data lenght definition MAX_DATA_LEN by
ETH_DATA_LEN from <linux/if_ether.h>.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/device_main.c | 4 ++--
 drivers/staging/vt6655/rxtx.c        | 4 ++--
 drivers/staging/vt6655/tether.h      | 3 +--
 drivers/staging/vt6655/wroute.c      | 2 +-
 4 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 25894a201b2..3005892e807 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -2156,7 +2156,7 @@ BOOL device_dma0_xmit(PSDevice pDevice, struct sk_buff *skb, UINT uNodeIndex) {
     cbFrameBodySize = skb->len - ETH_HLEN;
 
     // 802.1H
-    if (ntohs(pDevice->sTxEthHeader.wType) > MAX_DATA_LEN) {
+    if (ntohs(pDevice->sTxEthHeader.wType) > ETH_DATA_LEN) {
         cbFrameBodySize += 8;
     }
     uMACfragNum = cbGetFragCount(pDevice, pTransmitKey, cbFrameBodySize, &pDevice->sTxEthHeader);
@@ -2359,7 +2359,7 @@ static int  device_xmit(struct sk_buff *skb, struct net_device *dev) {
     memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)(skb->data), ETH_HLEN);
     cbFrameBodySize = skb->len - ETH_HLEN;
     // 802.1H
-    if (ntohs(pDevice->sTxEthHeader.wType) > MAX_DATA_LEN) {
+    if (ntohs(pDevice->sTxEthHeader.wType) > ETH_DATA_LEN) {
         cbFrameBodySize += 8;
     }
 
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index e27fa204962..efd758efc73 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -1622,7 +1622,7 @@ s_cbFillTxBufHead (
 
 
                 // 802.1H
-                if (ntohs(psEthHeader->wType) > MAX_DATA_LEN) {
+                if (ntohs(psEthHeader->wType) > ETH_DATA_LEN) {
                     if ((psEthHeader->wType == TYPE_PKT_IPX) ||
                         (psEthHeader->wType == cpu_to_le16(0xF380))) {
                         memcpy((PBYTE) (pbyPayloadHead), &pDevice->abySNAP_Bridgetunnel[0], 6);
@@ -1986,7 +1986,7 @@ s_cbFillTxBufHead (
         }
 
         // 802.1H
-        if (ntohs(psEthHeader->wType) > MAX_DATA_LEN) {
+        if (ntohs(psEthHeader->wType) > ETH_DATA_LEN) {
             if ((psEthHeader->wType == TYPE_PKT_IPX) ||
                 (psEthHeader->wType == cpu_to_le16(0xF380))) {
                 memcpy((PBYTE) (pbyPayloadHead), &pDevice->abySNAP_Bridgetunnel[0], 6);
diff --git a/drivers/staging/vt6655/tether.h b/drivers/staging/vt6655/tether.h
index bc82a6b425e..5ade9b6b51c 100644
--- a/drivers/staging/vt6655/tether.h
+++ b/drivers/staging/vt6655/tether.h
@@ -40,12 +40,11 @@
                                         // Ethernet address string length
 
 #define MIN_DATA_LEN        46          // min data length
-#define MAX_DATA_LEN        1500        // max data length
 
 #define MIN_PACKET_LEN      (MIN_DATA_LEN + ETH_HLEN)
                                         // 60
                                         // min total packet length (tx)
-#define MAX_PACKET_LEN      (MAX_DATA_LEN + ETH_HLEN)
+#define MAX_PACKET_LEN      (ETH_DATA_LEN + ETH_HLEN)
                                         // 1514
                                         // max total packet length (tx)
 
diff --git a/drivers/staging/vt6655/wroute.c b/drivers/staging/vt6655/wroute.c
index 485e105b0af..bf92fb9908f 100644
--- a/drivers/staging/vt6655/wroute.c
+++ b/drivers/staging/vt6655/wroute.c
@@ -95,7 +95,7 @@ BOOL ROUTEbRelay (PSDevice pDevice, PBYTE pbySkbData, UINT uDataLen, UINT uNodeI
 
     cbFrameBodySize = uDataLen - ETH_HLEN;
 
-    if (ntohs(pDevice->sTxEthHeader.wType) > MAX_DATA_LEN) {
+    if (ntohs(pDevice->sTxEthHeader.wType) > ETH_DATA_LEN) {
         cbFrameBodySize += 8;
     }
 

From ee6583f6e8f8dad4a53985dbabcd7c242d66a6b6 Mon Sep 17 00:00:00 2001
From: Roman Fietze <roman.fietze@telemotive.de>
Date: Tue, 18 May 2010 14:45:47 +0200
Subject: [PATCH 2036/3638] PCI: fix typos pci_device_dis/enable to
 pci_dis/enable_device in comments

This fixes all occurrences of pci_enable_device and pci_disable_device
in all comments. There are no code changes involved.

Signed-off-by: Roman Fietze <roman.fietze@telemotive.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/edac/amd76x_edac.c     | 2 +-
 drivers/edac/i82443bxgx_edac.c | 2 +-
 drivers/edac/r82600_edac.c     | 2 +-
 drivers/pci/pci.c              | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/edac/amd76x_edac.c b/drivers/edac/amd76x_edac.c
index f2330f81cb5..cace0a7b707 100644
--- a/drivers/edac/amd76x_edac.c
+++ b/drivers/edac/amd76x_edac.c
@@ -294,7 +294,7 @@ static int __devinit amd76x_init_one(struct pci_dev *pdev,
 {
 	debugf0("%s()\n", __func__);
 
-	/* don't need to call pci_device_enable() */
+	/* don't need to call pci_enable_device() */
 	return amd76x_probe1(pdev, ent->driver_data);
 }
 
diff --git a/drivers/edac/i82443bxgx_edac.c b/drivers/edac/i82443bxgx_edac.c
index 7f3884fcbd4..2bf2c5051bf 100644
--- a/drivers/edac/i82443bxgx_edac.c
+++ b/drivers/edac/i82443bxgx_edac.c
@@ -354,7 +354,7 @@ static int __devinit i82443bxgx_edacmc_init_one(struct pci_dev *pdev,
 
 	debugf0("MC: " __FILE__ ": %s()\n", __func__);
 
-	/* don't need to call pci_device_enable() */
+	/* don't need to call pci_enable_device() */
 	rc = i82443bxgx_edacmc_probe1(pdev, ent->driver_data);
 
 	if (mci_pdev == NULL)
diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c
index d55f8e9de78..6a822c631ef 100644
--- a/drivers/edac/r82600_edac.c
+++ b/drivers/edac/r82600_edac.c
@@ -354,7 +354,7 @@ static int __devinit r82600_init_one(struct pci_dev *pdev,
 {
 	debugf0("%s()\n", __func__);
 
-	/* don't need to call pci_device_enable() */
+	/* don't need to call pci_enable_device() */
 	return r82600_probe1(pdev, ent->driver_data);
 }
 
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 60fcb6f02c9..264c3f6b847 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1193,7 +1193,7 @@ void pci_disable_enabled_device(struct pci_dev *dev)
  * anymore.  This only involves disabling PCI bus-mastering, if active.
  *
  * Note we don't actually disable the device until all callers of
- * pci_device_enable() have called pci_device_disable().
+ * pci_enable_device() have called pci_disable_device().
  */
 void
 pci_disable_device(struct pci_dev *dev)

From f4a68b9388c7f647ba2fd43faf69cad26ca03206 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charles=20Cl=C3=A9ment?= <caratorn@gmail.com>
Date: Tue, 18 May 2010 11:30:20 -0700
Subject: [PATCH 2037/3638] Staging: vt6655: use ETH_FRAME_LEN macro instead of
 custom one
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Replace custom maximum packet lenght definition MAX_PACKET_LEN by
ETH_FRAME_LEN from <linux/if_ether.h>.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/vt6655/mib.c    | 4 ++--
 drivers/staging/vt6655/tether.h | 5 +----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/vt6655/mib.c b/drivers/staging/vt6655/mib.c
index e5f06382e4f..4ca7877075b 100644
--- a/drivers/staging/vt6655/mib.c
+++ b/drivers/staging/vt6655/mib.c
@@ -359,9 +359,9 @@ void STAvUpdateRDStatCounter (PSStatCounter pStatistic,
     else if ((512 <= cbFrameLength) && (cbFrameLength <= 1023)) {
         pStatistic->dwRsrRxFrmLen512_1023++;
     }
-    else if ((1024 <= cbFrameLength) && (cbFrameLength <= MAX_PACKET_LEN + 4)) {
+    else if ((1024 <= cbFrameLength) && (cbFrameLength <= ETH_FRAME_LEN + 4)) {
         pStatistic->dwRsrRxFrmLen1024_1518++;
-    } else if (cbFrameLength > MAX_PACKET_LEN + 4) {
+    } else if (cbFrameLength > ETH_FRAME_LEN + 4) {
         pStatistic->dwRsrLong++;
     }
 
diff --git a/drivers/staging/vt6655/tether.h b/drivers/staging/vt6655/tether.h
index 5ade9b6b51c..3c9acd7903a 100644
--- a/drivers/staging/vt6655/tether.h
+++ b/drivers/staging/vt6655/tether.h
@@ -44,11 +44,8 @@
 #define MIN_PACKET_LEN      (MIN_DATA_LEN + ETH_HLEN)
                                         // 60
                                         // min total packet length (tx)
-#define MAX_PACKET_LEN      (ETH_DATA_LEN + ETH_HLEN)
-                                        // 1514
-                                        // max total packet length (tx)
 
-#define MAX_LOOKAHEAD_SIZE  MAX_PACKET_LEN
+#define MAX_LOOKAHEAD_SIZE  ETH_FRAME_LEN
 
 #define U_MULTI_ADDR_LEN    8           // multicast address length
 

From 5030718ee465c759c2a851851e79039f58b9efb3 Mon Sep 17 00:00:00 2001
From: Prarit Bhargava <prarit@redhat.com>
Date: Mon, 17 May 2010 14:25:14 -0400
Subject: [PATCH 2038/3638] PCI: output FW warning in pci_read/write_vpd

pci_read/write_vpd() can fail due to a timeout.  Usually the command
times out because of firmware issues (incorrect vpd length, etc.) on the
PCI card.  Currently, the timeout occurs silently.

Output a message to the user indicating that they should check with
their vendor for new firmware.

Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/access.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index affb83b42eb..531bc697d80 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -220,8 +220,13 @@ static int pci_vpd_pci22_wait(struct pci_dev *dev)
 			return 0;
 		}
 
-		if (time_after(jiffies, timeout))
+		if (time_after(jiffies, timeout)) {
+			dev_printk(KERN_DEBUG, &dev->dev,
+				   "vpd r/w failed.  This is likely a firmware "
+				   "bug on this device.  Contact the card "
+				   "vendor for a firmware update.");
 			return -ETIMEDOUT;
+		}
 		if (fatal_signal_pending(current))
 			return -EINTR;
 		if (!cond_resched())

From b79995700e25dd6b0b0aff7edd0c102d1b6281f7 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Tue, 18 May 2010 00:23:24 +0200
Subject: [PATCH 2039/3638] PM/PCI: Update PCI power management documentation

I power management document, Documentation/power/pci.txt, is
outdated and partially inaccurate.  It also is missing some important
information about the power management of PCI device.  Rewrite it to
make it more up to date and more complete.

Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 Documentation/power/pci.txt | 1232 ++++++++++++++++++++++++++++-------
 1 file changed, 979 insertions(+), 253 deletions(-)

diff --git a/Documentation/power/pci.txt b/Documentation/power/pci.txt
index dd8fe43888d..62328d76b55 100644
--- a/Documentation/power/pci.txt
+++ b/Documentation/power/pci.txt
@@ -1,299 +1,1025 @@
-
 PCI Power Management
-~~~~~~~~~~~~~~~~~~~~
 
-An overview of the concepts and the related functions in the Linux kernel
+Copyright (c) 2010 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
 
-Patrick Mochel <mochel@transmeta.com>
-(and others)
+An overview of concepts and the Linux kernel's interfaces related to PCI power
+management.  Based on previous work by Patrick Mochel <mochel@transmeta.com>
+(and others).
+
+This document only covers the aspects of power management specific to PCI
+devices.  For general description of the kernel's interfaces related to device
+power management refer to Documentation/power/devices.txt and
+Documentation/power/runtime_pm.txt.
 
 ---------------------------------------------------------------------------
 
-1. Overview
-2. How the PCI Subsystem Does Power Management
-3. PCI Utility Functions
-4. PCI Device Drivers
-5. Resources
+1. Hardware and Platform Support for PCI Power Management
+2. PCI Subsystem and Device Power Management
+3. PCI Device Drivers and Power Management
+4. Resources
 
-1. Overview
-~~~~~~~~~~~
 
-The PCI Power Management Specification was introduced between the PCI 2.1 and
-PCI 2.2 Specifications. It a standard interface for controlling various 
-power management operations.
+1. Hardware and Platform Support for PCI Power Management
+=========================================================
 
-Implementation of the PCI PM Spec is optional, as are several sub-components of
-it. If a device supports the PCI PM Spec, the device will have an 8 byte
-capability field in its PCI configuration space. This field is used to describe
-and control the standard PCI power management features.
+1.1. Native and Platform-Based Power Management
+-----------------------------------------------
+In general, power management is a feature allowing one to save energy by putting
+devices into states in which they draw less power (low-power states) at the
+price of reduced functionality or performance.
 
-The PCI PM spec defines 4 operating states for devices (D0 - D3) and for buses
-(B0 - B3). The higher the number, the less power the device consumes. However,
-the higher the number, the longer the latency is for the device to return to 
-an operational state (D0).
+Usually, a device is put into a low-power state when it is underutilized or
+completely inactive.  However, when it is necessary to use the device once
+again, it has to be put back into the "fully functional" state (full-power
+state).  This may happen when there are some data for the device to handle or
+as a result of an external event requiring the device to be active, which may
+be signaled by the device itself.
 
-There are actually two D3 states.  When someone talks about D3, they usually
-mean D3hot, which corresponds to an ACPI D2 state (power is reduced, the
-device may lose some context).  But they may also mean D3cold, which is an
-ACPI D3 state (power is fully off, all state was discarded); or both.
+PCI devices may be put into low-power states in two ways, by using the device
+capabilities introduced by the PCI Bus Power Management Interface Specification,
+or with the help of platform firmware, such as an ACPI BIOS.  In the first
+approach, that is referred to as the native PCI power management (native PCI PM)
+in what follows, the device power state is changed as a result of writing a
+specific value into one of its standard configuration registers.  The second
+approach requires the platform firmware to provide special methods that may be
+used by the kernel to change the device's power state.
 
-Bus power management is not covered in this version of this document.
+Devices supporting the native PCI PM usually can generate wakeup signals called
+Power Management Events (PMEs) to let the kernel know about external events
+requiring the device to be active.  After receiving a PME the kernel is supposed
+to put the device that sent it into the full-power state.  However, the PCI Bus
+Power Management Interface Specification doesn't define any standard method of
+delivering the PME from the device to the CPU and the operating system kernel.
+It is assumed that the platform firmware will perform this task and therefore,
+even though a PCI device is set up to generate PMEs, it also may be necessary to
+prepare the platform firmware for notifying the CPU of the PMEs coming from the
+device (e.g. by generating interrupts).
 
-Note that all PCI devices support D0 and D3cold by default, regardless of
-whether or not they implement any of the PCI PM spec.
+In turn, if the methods provided by the platform firmware are used for changing
+the power state of a device, usually the platform also provides a method for
+preparing the device to generate wakeup signals.  In that case, however, it
+often also is necessary to prepare the device for generating PMEs using the
+native PCI PM mechanism, because the method provided by the platform depends on
+that.
 
-The possible state transitions that a device can undergo are:
+Thus in many situations both the native and the platform-based power management
+mechanisms have to be used simultaneously to obtain the desired result.
 
-+---------------------------+
-| Current State | New State |
-+---------------------------+
-| D0            | D1, D2, D3|
-+---------------------------+
-| D1            | D2, D3    |
-+---------------------------+
-| D2            | D3        |
-+---------------------------+
-| D1, D2, D3    | D0        |
-+---------------------------+
+1.2. Native PCI Power Management
+--------------------------------
+The PCI Bus Power Management Interface Specification (PCI PM Spec) was
+introduced between the PCI 2.1 and PCI 2.2 Specifications.  It defined a
+standard interface for performing various operations related to power
+management.
 
-Note that when the system is entering a global suspend state, all devices will
-be placed into D3 and when resuming, all devices will be placed into D0.
-However, when the system is running, other state transitions are possible.
+The implementation of the PCI PM Spec is optional for conventional PCI devices,
+but it is mandatory for PCI Express devices.  If a device supports the PCI PM
+Spec, it has an 8 byte power management capability field in its PCI
+configuration space.  This field is used to describe and control the standard
+features related to the native PCI power management.
 
-2. How The PCI Subsystem Handles Power Management
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+The PCI PM Spec defines 4 operating states for devices (D0-D3) and for buses
+(B0-B3).  The higher the number, the less power is drawn by the device or bus
+in that state.  However, the higher the number, the longer the latency for
+the device or bus to return to the full-power state (D0 or B0, respectively).
 
-The PCI suspend/resume functionality is accessed indirectly via the Power
-Management subsystem. At boot, the PCI driver registers a power management
-callback with that layer. Upon entering a suspend state, the PM layer iterates
-through all of its registered callbacks. This currently takes place only during
-APM state transitions.
+There are two variants of the D3 state defined by the specification.  The first
+one is D3hot, referred to as the software accessible D3, because devices can be
+programmed to go into it.  The second one, D3cold, is the state that PCI devices
+are in when the supply voltage (Vcc) is removed from them.  It is not possible
+to program a PCI device to go into D3cold, although there may be a programmable
+interface for putting the bus the device is on into a state in which Vcc is
+removed from all devices on the bus.
 
-Upon going to sleep, the PCI subsystem walks its device tree twice. Both times,
-it does a depth first walk of the device tree. The first walk saves each of the
-device's state and checks for devices that will prevent the system from entering
-a global power state. The next walk then places the devices in a low power
+PCI bus power management, however, is not supported by the Linux kernel at the
+time of this writing and therefore it is not covered by this document.
+
+Note that every PCI device can be in the full-power state (D0) or in D3cold,
+regardless of whether or not it implements the PCI PM Spec.  In addition to
+that, if the PCI PM Spec is implemented by the device, it must support D3hot
+as well as D0.  The support for the D1 and D2 power states is optional.
+
+PCI devices supporting the PCI PM Spec can be programmed to go to any of the
+supported low-power states (except for D3cold).  While in D1-D3hot the
+standard configuration registers of the device must be accessible to software
+(i.e. the device is required to respond to PCI configuration accesses), although
+its I/O and memory spaces are then disabled.  This allows the device to be
+programmatically put into D0.  Thus the kernel can switch the device back and
+forth between D0 and the supported low-power states (except for D3cold) and the
+possible power state transitions the device can undergo are the following:
+
++----------------------------+
+| Current State | New State  |
++----------------------------+
+| D0            | D1, D2, D3 |
++----------------------------+
+| D1            | D2, D3     |
++----------------------------+
+| D2            | D3         |
++----------------------------+
+| D1, D2, D3    | D0         |
++----------------------------+
+
+The transition from D3cold to D0 occurs when the supply voltage is provided to
+the device (i.e. power is restored).  In that case the device returns to D0 with
+a full power-on reset sequence and the power-on defaults are restored to the
+device by hardware just as at initial power up.
+
+PCI devices supporting the PCI PM Spec can be programmed to generate PMEs
+while in a low-power state (D1-D3), but they are not required to be capable
+of generating PMEs from all supported low-power states.  In particular, the
+capability of generating PMEs from D3cold is optional and depends on the
+presence of additional voltage (3.3Vaux) allowing the device to remain
+sufficiently active to generate a wakeup signal.
+
+1.3. ACPI Device Power Management
+---------------------------------
+The platform firmware support for the power management of PCI devices is
+system-specific.  However, if the system in question is compliant with the
+Advanced Configuration and Power Interface (ACPI) Specification, like the
+majority of x86-based systems, it is supposed to implement device power
+management interfaces defined by the ACPI standard.
+
+For this purpose the ACPI BIOS provides special functions called "control
+methods" that may be executed by the kernel to perform specific tasks, such as
+putting a device into a low-power state.  These control methods are encoded
+using special byte-code language called the ACPI Machine Language (AML) and
+stored in the machine's BIOS.  The kernel loads them from the BIOS and executes
+them as needed using an AML interpreter that translates the AML byte code into
+computations and memory or I/O space accesses.  This way, in theory, a BIOS
+writer can provide the kernel with a means to perform actions depending
+on the system design in a system-specific fashion.
+
+ACPI control methods may be divided into global control methods, that are not
+associated with any particular devices, and device control methods, that have
+to be defined separately for each device supposed to be handled with the help of
+the platform.  This means, in particular, that ACPI device control methods can
+only be used to handle devices that the BIOS writer knew about in advance.  The
+ACPI methods used for device power management fall into that category.
+
+The ACPI specification assumes that devices can be in one of four power states
+labeled as D0, D1, D2, and D3 that roughly correspond to the native PCI PM
+D0-D3 states (although the difference between D3hot and D3cold is not taken
+into account by ACPI).  Moreover, for each power state of a device there is a
+set of power resources that have to be enabled for the device to be put into
+that state.  These power resources are controlled (i.e. enabled or disabled)
+with the help of their own control methods, _ON and _OFF, that have to be
+defined individually for each of them.
+
+To put a device into the ACPI power state Dx (where x is a number between 0 and
+3 inclusive) the kernel is supposed to (1) enable the power resources required
+by the device in this state using their _ON control methods and (2) execute the
+_PSx control method defined for the device.  In addition to that, if the device
+is going to be put into a low-power state (D1-D3) and is supposed to generate
+wakeup signals from that state, the _DSW (or _PSW, replaced with _DSW by ACPI
+3.0) control method defined for it has to be executed before _PSx.  Power
+resources that are not required by the device in the target power state and are
+not required any more by any other device should be disabled (by executing their
+_OFF control methods).  If the current power state of the device is D3, it can
+only be put into D0 this way.
+
+However, quite often the power states of devices are changed during a
+system-wide transition into a sleep state or back into the working state.  ACPI
+defines four system sleep states, S1, S2, S3, and S4, and denotes the system
+working state as S0.  In general, the target system sleep (or working) state
+determines the highest power (lowest number) state the device can be put
+into and the kernel is supposed to obtain this information by executing the
+device's _SxD control method (where x is a number between 0 and 4 inclusive).
+If the device is required to wake up the system from the target sleep state, the
+lowest power (highest number) state it can be put into is also determined by the
+target state of the system.  The kernel is then supposed to use the device's
+_SxW control method to obtain the number of that state.  It also is supposed to
+use the device's _PRW control method to learn which power resources need to be
+enabled for the device to be able to generate wakeup signals.
+
+1.4. Wakeup Signaling
+---------------------
+Wakeup signals generated by PCI devices, either as native PCI PMEs, or as
+a result of the execution of the _DSW (or _PSW) ACPI control method before
+putting the device into a low-power state, have to be caught and handled as
+appropriate.  If they are sent while the system is in the working state
+(ACPI S0), they should be translated into interrupts so that the kernel can
+put the devices generating them into the full-power state and take care of the
+events that triggered them.  In turn, if they are sent while the system is
+sleeping, they should cause the system's core logic to trigger wakeup.
+
+On ACPI-based systems wakeup signals sent by conventional PCI devices are
+converted into ACPI General-Purpose Events (GPEs) which are hardware signals
+from the system core logic generated in response to various events that need to
+be acted upon.  Every GPE is associated with one or more sources of potentially
+interesting events.  In particular, a GPE may be associated with a PCI device
+capable of signaling wakeup.  The information on the connections between GPEs
+and event sources is recorded in the system's ACPI BIOS from where it can be
+read by the kernel.
+
+If a PCI device known to the system's ACPI BIOS signals wakeup, the GPE
+associated with it (if there is one) is triggered.  The GPEs associated with PCI
+bridges may also be triggered in response to a wakeup signal from one of the
+devices below the bridge (this also is the case for root bridges) and, for
+example, native PCI PMEs from devices unknown to the system's ACPI BIOS may be
+handled this way.
+
+A GPE may be triggered when the system is sleeping (i.e. when it is in one of
+the ACPI S1-S4 states), in which case system wakeup is started by its core logic
+(the device that was the source of the signal causing the system wakeup to occur
+may be identified later).  The GPEs used in such situations are referred to as
+wakeup GPEs.
+
+Usually, however, GPEs are also triggered when the system is in the working
+state (ACPI S0) and in that case the system's core logic generates a System
+Control Interrupt (SCI) to notify the kernel of the event.  Then, the SCI
+handler identifies the GPE that caused the interrupt to be generated which,
+in turn, allows the kernel to identify the source of the event (that may be
+a PCI device signaling wakeup).  The GPEs used for notifying the kernel of
+events occurring while the system is in the working state are referred to as
+runtime GPEs.
+
+Unfortunately, there is no standard way of handling wakeup signals sent by
+conventional PCI devices on systems that are not ACPI-based, but there is one
+for PCI Express devices.  Namely, the PCI Express Base Specification introduced
+a native mechanism for converting native PCI PMEs into interrupts generated by
+root ports.  For conventional PCI devices native PMEs are out-of-band, so they
+are routed separately and they need not pass through bridges (in principle they
+may be routed directly to the system's core logic), but for PCI Express devices
+they are in-band messages that have to pass through the PCI Express hierarchy,
+including the root port on the path from the device to the Root Complex.  Thus
+it was possible to introduce a mechanism by which a root port generates an
+interrupt whenever it receives a PME message from one of the devices below it.
+The PCI Express Requester ID of the device that sent the PME message is then
+recorded in one of the root port's configuration registers from where it may be
+read by the interrupt handler allowing the device to be identified.  [PME
+messages sent by PCI Express endpoints integrated with the Root Complex don't
+pass through root ports, but instead they cause a Root Complex Event Collector
+(if there is one) to generate interrupts.]
+
+In principle the native PCI Express PME signaling may also be used on ACPI-based
+systems along with the GPEs, but to use it the kernel has to ask the system's
+ACPI BIOS to release control of root port configuration registers.  The ACPI
+BIOS, however, is not required to allow the kernel to control these registers
+and if it doesn't do that, the kernel must not modify their contents.  Of course
+the native PCI Express PME signaling cannot be used by the kernel in that case.
+
+
+2. PCI Subsystem and Device Power Management
+============================================
+
+2.1. Device Power Management Callbacks
+--------------------------------------
+The PCI Subsystem participates in the power management of PCI devices in a
+number of ways.  First of all, it provides an intermediate code layer between
+the device power management core (PM core) and PCI device drivers.
+Specifically, the pm field of the PCI subsystem's struct bus_type object,
+pci_bus_type, points to a struct dev_pm_ops object, pci_dev_pm_ops, containing
+pointers to several device power management callbacks:
+
+const struct dev_pm_ops pci_dev_pm_ops = {
+	.prepare = pci_pm_prepare,
+	.complete = pci_pm_complete,
+	.suspend = pci_pm_suspend,
+	.resume = pci_pm_resume,
+	.freeze = pci_pm_freeze,
+	.thaw = pci_pm_thaw,
+	.poweroff = pci_pm_poweroff,
+	.restore = pci_pm_restore,
+	.suspend_noirq = pci_pm_suspend_noirq,
+	.resume_noirq = pci_pm_resume_noirq,
+	.freeze_noirq = pci_pm_freeze_noirq,
+	.thaw_noirq = pci_pm_thaw_noirq,
+	.poweroff_noirq = pci_pm_poweroff_noirq,
+	.restore_noirq = pci_pm_restore_noirq,
+	.runtime_suspend = pci_pm_runtime_suspend,
+	.runtime_resume = pci_pm_runtime_resume,
+	.runtime_idle = pci_pm_runtime_idle,
+};
+
+These callbacks are executed by the PM core in various situations related to
+device power management and they, in turn, execute power management callbacks
+provided by PCI device drivers.  They also perform power management operations
+involving some standard configuration registers of PCI devices that device
+drivers need not know or care about.
+
+The structure representing a PCI device, struct pci_dev, contains several fields
+that these callbacks operate on:
+
+struct pci_dev {
+	...
+	pci_power_t     current_state;  /* Current operating state. */
+	int		pm_cap;		/* PM capability offset in the
+					   configuration space */
+	unsigned int	pme_support:5;	/* Bitmask of states from which PME#
+					   can be generated */
+	unsigned int	pme_interrupt:1;/* Is native PCIe PME signaling used? */
+	unsigned int	d1_support:1;	/* Low power state D1 is supported */
+	unsigned int	d2_support:1;	/* Low power state D2 is supported */
+	unsigned int	no_d1d2:1;	/* D1 and D2 are forbidden */
+	unsigned int	wakeup_prepared:1;  /* Device prepared for wake up */
+	unsigned int	d3_delay;	/* D3->D0 transition time in ms */
+	...
+};
+
+They also indirectly use some fields of the struct device that is embedded in
+struct pci_dev.
+
+2.2. Device Initialization
+--------------------------
+The PCI subsystem's first task related to device power management is to
+prepare the device for power management and initialize the fields of struct
+pci_dev used for this purpose.  This happens in two functions defined in
+drivers/pci/pci.c, pci_pm_init() and platform_pci_wakeup_init().
+
+The first of these functions checks if the device supports native PCI PM
+and if that's the case the offset of its power management capability structure
+in the configuration space is stored in the pm_cap field of the device's struct
+pci_dev object.  Next, the function checks which PCI low-power states are
+supported by the device and from which low-power states the device can generate
+native PCI PMEs.  The power management fields of the device's struct pci_dev and
+the struct device embedded in it are updated accordingly and the generation of
+PMEs by the device is disabled.
+
+The second function checks if the device can be prepared to signal wakeup with
+the help of the platform firmware, such as the ACPI BIOS.  If that is the case,
+the function updates the wakeup fields in struct device embedded in the
+device's struct pci_dev and uses the firmware-provided method to prevent the
+device from signaling wakeup.
+
+At this point the device is ready for power management.  For driverless devices,
+however, this functionality is limited to a few basic operations carried out
+during system-wide transitions to a sleep state and back to the working state.
+
+2.3. Runtime Device Power Management
+------------------------------------
+The PCI subsystem plays a vital role in the runtime power management of PCI
+devices.  For this purpose it uses the general runtime power management
+(runtime PM) framework described in Documentation/power/runtime_pm.txt.
+Namely, it provides subsystem-level callbacks:
+
+	pci_pm_runtime_suspend()
+	pci_pm_runtime_resume()
+	pci_pm_runtime_idle()
+
+that are executed by the core runtime PM routines.  It also implements the
+entire mechanics necessary for handling runtime wakeup signals from PCI devices
+in low-power states, which at the time of this writing works for both the native
+PCI Express PME signaling and the ACPI GPE-based wakeup signaling described in
+Section 1.
+
+First, a PCI device is put into a low-power state, or suspended, with the help
+of pm_schedule_suspend() or pm_runtime_suspend() which for PCI devices call
+pci_pm_runtime_suspend() to do the actual job.  For this to work, the device's
+driver has to provide a pm->runtime_suspend() callback (see below), which is
+run by pci_pm_runtime_suspend() as the first action.  If the driver's callback
+returns successfully, the device's standard configuration registers are saved,
+the device is prepared to generate wakeup signals and, finally, it is put into
+the target low-power state.
+
+The low-power state to put the device into is the lowest-power (highest number)
+state from which it can signal wakeup.  The exact method of signaling wakeup is
+system-dependent and is determined by the PCI subsystem on the basis of the
+reported capabilities of the device and the platform firmware.  To prepare the
+device for signaling wakeup and put it into the selected low-power state, the
+PCI subsystem can use the platform firmware as well as the device's native PCI
+PM capabilities, if supported.
+
+It is expected that the device driver's pm->runtime_suspend() callback will
+not attempt to prepare the device for signaling wakeup or to put it into a
+low-power state.  The driver ought to leave these tasks to the PCI subsystem
+that has all of the information necessary to perform them.
+
+A suspended device is brought back into the "active" state, or resumed,
+with the help of pm_request_resume() or pm_runtime_resume() which both call
+pci_pm_runtime_resume() for PCI devices.  Again, this only works if the device's
+driver provides a pm->runtime_resume() callback (see below).  However, before
+the driver's callback is executed, pci_pm_runtime_resume() brings the device
+back into the full-power state, prevents it from signaling wakeup while in that
+state and restores its standard configuration registers.  Thus the driver's
+callback need not worry about the PCI-specific aspects of the device resume.
+
+Note that generally pci_pm_runtime_resume() may be called in two different
+situations.  First, it may be called at the request of the device's driver, for
+example if there are some data for it to process.  Second, it may be called
+as a result of a wakeup signal from the device itself (this sometimes is
+referred to as "remote wakeup").  Of course, for this purpose the wakeup signal
+is handled in one of the ways described in Section 1 and finally converted into
+a notification for the PCI subsystem after the source device has been
+identified.
+
+The pci_pm_runtime_idle() function, called for PCI devices by pm_runtime_idle()
+and pm_request_idle(), executes the device driver's pm->runtime_idle()
+callback, if defined, and if that callback doesn't return error code (or is not
+present at all), suspends the device with the help of pm_runtime_suspend().
+Sometimes pci_pm_runtime_idle() is called automatically by the PM core (for
+example, it is called right after the device has just been resumed), in which
+cases it is expected to suspend the device if that makes sense.  Usually,
+however, the PCI subsystem doesn't really know if the device really can be
+suspended, so it lets the device's driver decide by running its
+pm->runtime_idle() callback.
+
+2.4. System-Wide Power Transitions
+----------------------------------
+There are a few different types of system-wide power transitions, described in
+Documentation/power/devices.txt.  Each of them requires devices to be handled
+in a specific way and the PM core executes subsystem-level power management
+callbacks for this purpose.  They are executed in phases such that each phase
+involves executing the same subsystem-level callback for every device belonging
+to the given subsystem before the next phase begins.  These phases always run
+after tasks have been frozen.
+
+2.4.1. System Suspend
+
+When the system is going into a sleep state in which the contents of memory will
+be preserved, such as one of the ACPI sleep states S1-S3, the phases are:
+
+	prepare, suspend, suspend_noirq.
+
+The following PCI bus type's callbacks, respectively, are used in these phases:
+
+	pci_pm_prepare()
+	pci_pm_suspend()
+	pci_pm_suspend_noirq()
+
+The pci_pm_prepare() routine first puts the device into the "fully functional"
+state with the help of pm_runtime_resume().  Then, it executes the device
+driver's pm->prepare() callback if defined (i.e. if the driver's struct
+dev_pm_ops object is present and the prepare pointer in that object is valid).
+
+The pci_pm_suspend() routine first checks if the device's driver implements
+legacy PCI suspend routines (see Section 3), in which case the driver's legacy
+suspend callback is executed, if present, and its result is returned.  Next, if
+the device's driver doesn't provide a struct dev_pm_ops object (containing
+pointers to the driver's callbacks), pci_pm_default_suspend() is called, which
+simply turns off the device's bus master capability and runs
+pcibios_disable_device() to disable it, unless the device is a bridge (PCI
+bridges are ignored by this routine).  Next, the device driver's pm->suspend()
+callback is executed, if defined, and its result is returned if it fails.
+Finally, pci_fixup_device() is called to apply hardware suspend quirks related
+to the device if necessary.
+
+Note that the suspend phase is carried out asynchronously for PCI devices, so
+the pci_pm_suspend() callback may be executed in parallel for any pair of PCI
+devices that don't depend on each other in a known way (i.e. none of the paths
+in the device tree from the root bridge to a leaf device contains both of them).
+
+The pci_pm_suspend_noirq() routine is executed after suspend_device_irqs() has
+been called, which means that the device driver's interrupt handler won't be
+invoked while this routine is running.  It first checks if the device's driver
+implements legacy PCI suspends routines (Section 3), in which case the legacy
+late suspend routine is called and its result is returned (the standard
+configuration registers of the device are saved if the driver's callback hasn't
+done that).  Second, if the device driver's struct dev_pm_ops object is not
+present, the device's standard configuration registers are saved and the routine
+returns success.  Otherwise the device driver's pm->suspend_noirq() callback is
+executed, if present, and its result is returned if it fails.  Next, if the
+device's standard configuration registers haven't been saved yet (one of the
+device driver's callbacks executed before might do that), pci_pm_suspend_noirq()
+saves them, prepares the device to signal wakeup (if necessary) and puts it into
+a low-power state.
+
+The low-power state to put the device into is the lowest-power (highest number)
+state from which it can signal wakeup while the system is in the target sleep
+state.  Just like in the runtime PM case described above, the mechanism of
+signaling wakeup is system-dependent and determined by the PCI subsystem, which
+is also responsible for preparing the device to signal wakeup from the system's
+target sleep state as appropriate.
+
+PCI device drivers (that don't implement legacy power management callbacks) are
+generally not expected to prepare devices for signaling wakeup or to put them
+into low-power states.  However, if one of the driver's suspend callbacks
+(pm->suspend() or pm->suspend_noirq()) saves the device's standard configuration
+registers, pci_pm_suspend_noirq() will assume that the device has been prepared
+to signal wakeup and put into a low-power state by the driver (the driver is
+then assumed to have used the helper functions provided by the PCI subsystem for
+this purpose).  PCI device drivers are not encouraged to do that, but in some
+rare cases doing that in the driver may be the optimum approach.
+
+2.4.2. System Resume
+
+When the system is undergoing a transition from a sleep state in which the
+contents of memory have been preserved, such as one of the ACPI sleep states
+S1-S3, into the working state (ACPI S0), the phases are:
+
+	resume_noirq, resume, complete.
+
+The following PCI bus type's callbacks, respectively, are executed in these
+phases:
+
+	pci_pm_resume_noirq()
+	pci_pm_resume()
+	pci_pm_complete()
+
+The pci_pm_resume_noirq() routine first puts the device into the full-power
+state, restores its standard configuration registers and applies early resume
+hardware quirks related to the device, if necessary.  This is done
+unconditionally, regardless of whether or not the device's driver implements
+legacy PCI power management callbacks (this way all PCI devices are in the
+full-power state and their standard configuration registers have been restored
+when their interrupt handlers are invoked for the first time during resume,
+which allows the kernel to avoid problems with the handling of shared interrupts
+by drivers whose devices are still suspended).  If legacy PCI power management
+callbacks (see Section 3) are implemented by the device's driver, the legacy
+early resume callback is executed and its result is returned.  Otherwise, the
+device driver's pm->resume_noirq() callback is executed, if defined, and its
+result is returned.
+
+The pci_pm_resume() routine first checks if the device's standard configuration
+registers have been restored and restores them if that's not the case (this
+only is necessary in the error path during a failing suspend).  Next, resume
+hardware quirks related to the device are applied, if necessary, and if the
+device's driver implements legacy PCI power management callbacks (see
+Section 3), the driver's legacy resume callback is executed and its result is
+returned.  Otherwise, the device's wakeup signaling mechanisms are blocked and
+its driver's pm->resume() callback is executed, if defined (the callback's
+result is then returned).
+
+The resume phase is carried out asynchronously for PCI devices, like the
+suspend phase described above, which means that if two PCI devices don't depend
+on each other in a known way, the pci_pm_resume() routine may be executed for
+the both of them in parallel.
+
+The pci_pm_complete() routine only executes the device driver's pm->complete()
+callback, if defined.
+
+2.4.3. System Hibernation
+
+System hibernation is more complicated than system suspend, because it requires
+a system image to be created and written into a persistent storage medium.  The
+image is created atomically and all devices are quiesced, or frozen, before that
+happens.
+
+The freezing of devices is carried out after enough memory has been freed (at
+the time of this writing the image creation requires at least 50% of system RAM
+to be free) in the following three phases:
+
+	prepare, freeze, freeze_noirq
+
+that correspond to the PCI bus type's callbacks:
+
+	pci_pm_prepare()
+	pci_pm_freeze()
+	pci_pm_freeze_noirq()
+
+This means that the prepare phase is exactly the same as for system suspend.
+The other two phases, however, are different.
+
+The pci_pm_freeze() routine is quite similar to pci_pm_suspend(), but it runs
+the device driver's pm->freeze() callback, if defined, instead of pm->suspend(),
+and it doesn't apply the suspend-related hardware quirks.  It is executed
+asynchronously for different PCI devices that don't depend on each other in a
+known way.
+
+The pci_pm_freeze_noirq() routine, in turn, is similar to
+pci_pm_suspend_noirq(), but it calls the device driver's pm->freeze_noirq()
+routine instead of pm->suspend_noirq().  It also doesn't attempt to prepare the
+device for signaling wakeup and put it into a low-power state.  Still, it saves
+the device's standard configuration registers if they haven't been saved by one
+of the driver's callbacks.
+
+Once the image has been created, it has to be saved.  However, at this point all
+devices are frozen and they cannot handle I/O, while their ability to handle
+I/O is obviously necessary for the image saving.  Thus they have to be brought
+back to the fully functional state and this is done in the following phases:
+
+	thaw_noirq, thaw, complete
+
+using the following PCI bus type's callbacks:
+
+	pci_pm_thaw_noirq()
+	pci_pm_thaw()
+	pci_pm_complete()
+
+respectively.
+
+The first of them, pci_pm_thaw_noirq(), is analogous to pci_pm_resume_noirq(),
+but it doesn't put the device into the full power state and doesn't attempt to
+restore its standard configuration registers.  It also executes the device
+driver's pm->thaw_noirq() callback, if defined, instead of pm->resume_noirq().
+
+The pci_pm_thaw() routine is similar to pci_pm_resume(), but it runs the device
+driver's pm->thaw() callback instead of pm->resume().  It is executed
+asynchronously for different PCI devices that don't depend on each other in a
+known way.
+
+The complete phase it the same as for system resume.
+
+After saving the image, devices need to be powered down before the system can
+enter the target sleep state (ACPI S4 for ACPI-based systems).  This is done in
+three phases:
+
+	prepare, poweroff, poweroff_noirq
+
+where the prepare phase is exactly the same as for system suspend.  The other
+two phases are analogous to the suspend and suspend_noirq phases, respectively.
+The PCI subsystem-level callbacks they correspond to
+
+	pci_pm_poweroff()
+	pci_pm_poweroff_noirq()
+
+work in analogy with pci_pm_suspend() and pci_pm_poweroff_noirq(), respectively,
+although they don't attempt to save the device's standard configuration
+registers.
+
+2.4.4. System Restore
+
+System restore requires a hibernation image to be loaded into memory and the
+pre-hibernation memory contents to be restored before the pre-hibernation system
+activity can be resumed.
+
+As described in Documentation/power/devices.txt, the hibernation image is loaded
+into memory by a fresh instance of the kernel, called the boot kernel, which in
+turn is loaded and run by a boot loader in the usual way.  After the boot kernel
+has loaded the image, it needs to replace its own code and data with the code
+and data of the "hibernated" kernel stored within the image, called the image
+kernel.  For this purpose all devices are frozen just like before creating
+the image during hibernation, in the
+
+	prepare, freeze, freeze_noirq
+
+phases described above.  However, the devices affected by these phases are only
+those having drivers in the boot kernel; other devices will still be in whatever
+state the boot loader left them.
+
+Should the restoration of the pre-hibernation memory contents fail, the boot
+kernel would go through the "thawing" procedure described above, using the
+thaw_noirq, thaw, and complete phases (that will only affect the devices having
+drivers in the boot kernel), and then continue running normally.
+
+If the pre-hibernation memory contents are restored successfully, which is the
+usual situation, control is passed to the image kernel, which then becomes
+responsible for bringing the system back to the working state.  To achieve this,
+it must restore the devices' pre-hibernation functionality, which is done much
+like waking up from the memory sleep state, although it involves different
+phases:
+
+	restore_noirq, restore, complete
+
+The first two of these are analogous to the resume_noirq and resume phases
+described above, respectively, and correspond to the following PCI subsystem
+callbacks:
+
+	pci_pm_restore_noirq()
+	pci_pm_restore()
+
+These callbacks work in analogy with pci_pm_resume_noirq() and pci_pm_resume(),
+respectively, but they execute the device driver's pm->restore_noirq() and
+pm->restore() callbacks, if available.
+
+The complete phase is carried out in exactly the same way as during system
+resume.
+
+
+3. PCI Device Drivers and Power Management
+==========================================
+
+3.1. Power Management Callbacks
+-------------------------------
+PCI device drivers participate in power management by providing callbacks to be
+executed by the PCI subsystem's power management routines described above and by
+controlling the runtime power management of their devices.
+
+At the time of this writing there are two ways to define power management
+callbacks for a PCI device driver, the recommended one, based on using a
+dev_pm_ops structure described in Documentation/power/devices.txt, and the
+"legacy" one, in which the .suspend(), .suspend_late(), .resume_early(), and
+.resume() callbacks from struct pci_driver are used.  The legacy approach,
+however, doesn't allow one to define runtime power management callbacks and is
+not really suitable for any new drivers.  Therefore it is not covered by this
+document (refer to the source code to learn more about it).
+
+It is recommended that all PCI device drivers define a struct dev_pm_ops object
+containing pointers to power management (PM) callbacks that will be executed by
+the PCI subsystem's PM routines in various circumstances.  A pointer to the
+driver's struct dev_pm_ops object has to be assigned to the driver.pm field in
+its struct pci_driver object.  Once that has happened, the "legacy" PM callbacks
+in struct pci_driver are ignored (even if they are not NULL).
+
+The PM callbacks in struct dev_pm_ops are not mandatory and if they are not
+defined (i.e. the respective fields of struct dev_pm_ops are unset) the PCI
+subsystem will handle the device in a simplified default manner.  If they are
+defined, though, they are expected to behave as described in the following
+subsections.
+
+3.1.1. prepare()
+
+The prepare() callback is executed during system suspend, during hibernation
+(when a hibernation image is about to be created), during power-off after
+saving a hibernation image and during system restore, when a hibernation image
+has just been loaded into memory.
+
+This callback is only necessary if the driver's device has children that in
+general may be registered at any time.  In that case the role of the prepare()
+callback is to prevent new children of the device from being registered until
+one of the resume_noirq(), thaw_noirq(), or restore_noirq() callbacks is run.
+
+In addition to that the prepare() callback may carry out some operations
+preparing the device to be suspended, although it should not allocate memory
+(if additional memory is required to suspend the device, it has to be
+preallocated earlier, for example in a suspend/hibernate notifier as described
+in Documentation/power/notifiers.txt).
+
+3.1.2. suspend()
+
+The suspend() callback is only executed during system suspend, after prepare()
+callbacks have been executed for all devices in the system.
+
+This callback is expected to quiesce the device and prepare it to be put into a
+low-power state by the PCI subsystem.  It is not required (in fact it even is
+not recommended) that a PCI driver's suspend() callback save the standard
+configuration registers of the device, prepare it for waking up the system, or
+put it into a low-power state.  All of these operations can very well be taken
+care of by the PCI subsystem, without the driver's participation.
+
+However, in some rare case it is convenient to carry out these operations in
+a PCI driver.  Then, pci_save_state(), pci_prepare_to_sleep(), and
+pci_set_power_state() should be used to save the device's standard configuration
+registers, to prepare it for system wakeup (if necessary), and to put it into a
+low-power state, respectively.  Moreover, if the driver calls pci_save_state(),
+the PCI subsystem will not execute either pci_prepare_to_sleep(), or
+pci_set_power_state() for its device, so the driver is then responsible for
+handling the device as appropriate.
+
+While the suspend() callback is being executed, the driver's interrupt handler
+can be invoked to handle an interrupt from the device, so all suspend-related
+operations relying on the driver's ability to handle interrupts should be
+carried out in this callback.
+
+3.1.3. suspend_noirq()
+
+The suspend_noirq() callback is only executed during system suspend, after
+suspend() callbacks have been executed for all devices in the system and
+after device interrupts have been disabled by the PM core.
+
+The difference between suspend_noirq() and suspend() is that the driver's
+interrupt handler will not be invoked while suspend_noirq() is running.  Thus
+suspend_noirq() can carry out operations that would cause race conditions to
+arise if they were performed in suspend().
+
+3.1.4. freeze()
+
+The freeze() callback is hibernation-specific and is executed in two situations,
+during hibernation, after prepare() callbacks have been executed for all devices
+in preparation for the creation of a system image, and during restore,
+after a system image has been loaded into memory from persistent storage and the
+prepare() callbacks have been executed for all devices.
+
+The role of this callback is analogous to the role of the suspend() callback
+described above.  In fact, they only need to be different in the rare cases when
+the driver takes the responsibility for putting the device into a low-power
 state.
 
-The first walk allows a graceful recovery in the event of a failure, since none
-of the devices have actually been powered down.
+In that cases the freeze() callback should not prepare the device system wakeup
+or put it into a low-power state.  Still, either it or freeze_noirq() should
+save the device's standard configuration registers using pci_save_state().
 
-In both walks, in particular the second, all children of a bridge are touched
-before the actual bridge itself. This allows the bridge to retain power while
-its children are being accessed.
+3.1.5. freeze_noirq()
 
-Upon resuming from sleep, just the opposite must be true: all bridges must be
-powered on and restored before their children are powered on. This is easily
-accomplished with a breadth-first walk of the PCI device tree.
+The freeze_noirq() callback is hibernation-specific.  It is executed during
+hibernation, after prepare() and freeze() callbacks have been executed for all
+devices in preparation for the creation of a system image, and during restore,
+after a system image has been loaded into memory and after prepare() and
+freeze() callbacks have been executed for all devices.  It is always executed
+after device interrupts have been disabled by the PM core.
 
+The role of this callback is analogous to the role of the suspend_noirq()
+callback described above and it very rarely is necessary to define
+freeze_noirq().
 
-3. PCI Utility Functions
-~~~~~~~~~~~~~~~~~~~~~~~~
+The difference between freeze_noirq() and freeze() is analogous to the
+difference between suspend_noirq() and suspend().
 
-These are helper functions designed to be called by individual device drivers.
-Assuming that a device behaves as advertised, these should be applicable in most
-cases. However, results may vary.
+3.1.6. poweroff()
 
-Note that these functions are never implicitly called for the driver. The driver
-is always responsible for deciding when and if to call these.
+The poweroff() callback is hibernation-specific.  It is executed when the system
+is about to be powered off after saving a hibernation image to a persistent
+storage.  prepare() callbacks are executed for all devices before poweroff() is
+called.
 
+The role of this callback is analogous to the role of the suspend() and freeze()
+callbacks described above, although it does not need to save the contents of
+the device's registers.  In particular, if the driver wants to put the device
+into a low-power state itself instead of allowing the PCI subsystem to do that,
+the poweroff() callback should use pci_prepare_to_sleep() and
+pci_set_power_state() to prepare the device for system wakeup and to put it
+into a low-power state, respectively, but it need not save the device's standard
+configuration registers.
 
-pci_save_state
---------------
+3.1.7. poweroff_noirq()
 
-Usage:
-	pci_save_state(struct pci_dev *dev);
+The poweroff_noirq() callback is hibernation-specific.  It is executed after
+poweroff() callbacks have been executed for all devices in the system.
 
-Description:
-	Save first 64 bytes of PCI config space, along with any additional
-	PCI-Express or PCI-X information.
+The role of this callback is analogous to the role of the suspend_noirq() and
+freeze_noirq() callbacks described above, but it does not need to save the
+contents of the device's registers.
 
+The difference between poweroff_noirq() and poweroff() is analogous to the
+difference between suspend_noirq() and suspend().
 
-pci_restore_state
------------------
+3.1.8. resume_noirq()
 
-Usage:
-	pci_restore_state(struct pci_dev *dev);
+The resume_noirq() callback is only executed during system resume, after the
+PM core has enabled the non-boot CPUs.  The driver's interrupt handler will not
+be invoked while resume_noirq() is running, so this callback can carry out
+operations that might race with the interrupt handler.
 
-Description:
-	Restore previously saved config space.
+Since the PCI subsystem unconditionally puts all devices into the full power
+state in the resume_noirq phase of system resume and restores their standard
+configuration registers, resume_noirq() is usually not necessary.  In general
+it should only be used for performing operations that would lead to race
+conditions if carried out by resume().
 
+3.1.9. resume()
 
-pci_set_power_state
--------------------
+The resume() callback is only executed during system resume, after
+resume_noirq() callbacks have been executed for all devices in the system and
+device interrupts have been enabled by the PM core.
 
-Usage:
-	pci_set_power_state(struct pci_dev *dev, pci_power_t state);
+This callback is responsible for restoring the pre-suspend configuration of the
+device and bringing it back to the fully functional state.  The device should be
+able to process I/O in a usual way after resume() has returned.
 
-Description:
-	Transition device to low power state using PCI PM Capabilities
-	registers.
+3.1.10. thaw_noirq()
 
-	Will fail under one of the following conditions:
-	- If state is less than current state, but not D0 (illegal transition)
-	- Device doesn't support PM Capabilities
-	- Device does not support requested state
+The thaw_noirq() callback is hibernation-specific.  It is executed after a
+system image has been created and the non-boot CPUs have been enabled by the PM
+core, in the thaw_noirq phase of hibernation.  It also may be executed if the
+loading of a hibernation image fails during system restore (it is then executed
+after enabling the non-boot CPUs).  The driver's interrupt handler will not be
+invoked while thaw_noirq() is running.
 
+The role of this callback is analogous to the role of resume_noirq().  The
+difference between these two callbacks is that thaw_noirq() is executed after
+freeze() and freeze_noirq(), so in general it does not need to modify the
+contents of the device's registers.
 
-pci_enable_wake
----------------
+3.1.11. thaw()
 
-Usage:
-	pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
+The thaw() callback is hibernation-specific.  It is executed after thaw_noirq()
+callbacks have been executed for all devices in the system and after device
+interrupts have been enabled by the PM core.
 
-Description:
-	Enable device to generate PME# during low power state using PCI PM 
-	Capabilities.
+This callback is responsible for restoring the pre-freeze configuration of
+the device, so that it will work in a usual way after thaw() has returned.
 
-	Checks whether if device supports generating PME# from requested state
-	and fail if it does not, unless enable == 0 (request is to disable wake
-	events, which is implicit if it doesn't even support it in the first
-	place).
-
-	Note that the PMC Register in the device's PM Capabilities has a bitmask
-	of the states it supports generating PME# from. D3hot is bit 3 and
-	D3cold is bit 4. So, while a value of 4 as the state may not seem
-	semantically correct, it is. 
-
-
-4. PCI Device Drivers
-~~~~~~~~~~~~~~~~~~~~~
-
-These functions are intended for use by individual drivers, and are defined in 
-struct pci_driver:
-
-        int  (*suspend) (struct pci_dev *dev, pm_message_t state);
-        int  (*resume) (struct pci_dev *dev);
-
-
-suspend
--------
-
-Usage:
-
-if (dev->driver && dev->driver->suspend)
-	dev->driver->suspend(dev,state);
-
-A driver uses this function to actually transition the device into a low power
-state. This should include disabling I/O, IRQs, and bus-mastering, as well as
-physically transitioning the device to a lower power state; it may also include
-calls to pci_enable_wake().
-
-Bus mastering may be disabled by doing:
-
-pci_disable_device(dev);
-
-For devices that support the PCI PM Spec, this may be used to set the device's
-power state to match the suspend() parameter:
-
-pci_set_power_state(dev,state);
-
-The driver is also responsible for disabling any other device-specific features
-(e.g blanking screen, turning off on-card memory, etc).
-
-The driver should be sure to track the current state of the device, as it may
-obviate the need for some operations.
-
-The driver should update the current_state field in its pci_dev structure in
-this function, except for PM-capable devices when pci_set_power_state is used.
-
-resume
-------
-
-Usage:
-
-if (dev->driver && dev->driver->resume)
-	dev->driver->resume(dev)
-
-The resume callback may be called from any power state, and is always meant to
-transition the device to the D0 state. 
-
-The driver is responsible for reenabling any features of the device that had
-been disabled during previous suspend calls, such as IRQs and bus mastering,
-as well as calling pci_restore_state().
-
-If the device is currently in D3, it may need to be reinitialized in resume().
-
-  * Some types of devices, like bus controllers, will preserve context in D3hot
-    (using Vcc power).  Their drivers will often want to avoid re-initializing
-    them after re-entering D0 (perhaps to avoid resetting downstream devices).
-
-  * Other kinds of devices in D3hot will discard device context as part of a
-    soft reset when re-entering the D0 state.
-    
-  * Devices resuming from D3cold always go through a power-on reset.  Some
-    device context can also be preserved using Vaux power.
-
-  * Some systems hide D3cold resume paths from drivers.  For example, on PCs
-    the resume path for suspend-to-disk often runs BIOS powerup code, which
-    will sometimes re-initialize the device.
-
-To handle resets during D3 to D0 transitions, it may be convenient to share
-device initialization code between probe() and resume().  Device parameters
-can also be saved before the driver suspends into D3, avoiding re-probe.
-
-If the device supports the PCI PM Spec, it can use this to physically transition
-the device to D0:
-
-pci_set_power_state(dev,0);
-
-Note that if the entire system is transitioning out of a global sleep state, all
-devices will be placed in the D0 state, so this is not necessary. However, in
-the event that the device is placed in the D3 state during normal operation,
-this call is necessary. It is impossible to determine which of the two events is
-taking place in the driver, so it is always a good idea to make that call.
-
-The driver should take note of the state that it is resuming from in order to
-ensure correct (and speedy) operation.
-
-The driver should update the current_state field in its pci_dev structure in
-this function, except for PM-capable devices when pci_set_power_state is used.
-
-
-
-A reference implementation
--------------------------
-.suspend()
-{
-	/* driver specific operations */
-
-	/* Disable IRQ */
-	free_irq();
-	/* If using MSI */
-	pci_disable_msi();
-
-	pci_save_state();
-	pci_enable_wake();
-	/* Disable IO/bus master/irq router */
-	pci_disable_device();
-	pci_set_power_state(pci_choose_state());
-}
-
-.resume()
-{
-	pci_set_power_state(PCI_D0);
-	pci_restore_state();
-	/* device's irq possibly is changed, driver should take care */
-	pci_enable_device();
-	pci_set_master();
-
-	/* if using MSI, device's vector possibly is changed */
-	pci_enable_msi();
-
-	request_irq();
-	/* driver specific operations; */
-}
-
-This is a typical implementation. Drivers can slightly change the order
-of the operations in the implementation, ignore some operations or add
-more driver specific operations in it, but drivers should do something like
-this on the whole.
-
-5. Resources
-~~~~~~~~~~~~
-
-PCI Local Bus Specification 
-PCI Bus Power Management Interface Specification
-
-  http://www.pcisig.com
+3.1.12. restore_noirq()
 
+The restore_noirq() callback is hibernation-specific.  It is executed in the
+restore_noirq phase of hibernation, when the boot kernel has passed control to
+the image kernel and the non-boot CPUs have been enabled by the image kernel's
+PM core.
+
+This callback is analogous to resume_noirq() with the exception that it cannot
+make any assumption on the previous state of the device, even if the BIOS (or
+generally the platform firmware) is known to preserve that state over a
+suspend-resume cycle.
+
+For the vast majority of PCI device drivers there is no difference between
+resume_noirq() and restore_noirq().
+
+3.1.13. restore()
+
+The restore() callback is hibernation-specific.  It is executed after
+restore_noirq() callbacks have been executed for all devices in the system and
+after the PM core has enabled device drivers' interrupt handlers to be invoked.
+
+This callback is analogous to resume(), just like restore_noirq() is analogous
+to resume_noirq().  Consequently, the difference between restore_noirq() and
+restore() is analogous to the difference between resume_noirq() and resume().
+
+For the vast majority of PCI device drivers there is no difference between
+resume() and restore().
+
+3.1.14. complete()
+
+The complete() callback is executed in the following situations:
+  - during system resume, after resume() callbacks have been executed for all
+    devices,
+  - during hibernation, before saving the system image, after thaw() callbacks
+    have been executed for all devices,
+  - during system restore, when the system is going back to its pre-hibernation
+    state, after restore() callbacks have been executed for all devices.
+It also may be executed if the loading of a hibernation image into memory fails
+(in that case it is run after thaw() callbacks have been executed for all
+devices that have drivers in the boot kernel).
+
+This callback is entirely optional, although it may be necessary if the
+prepare() callback performs operations that need to be reversed.
+
+3.1.15. runtime_suspend()
+
+The runtime_suspend() callback is specific to device runtime power management
+(runtime PM).  It is executed by the PM core's runtime PM framework when the
+device is about to be suspended (i.e. quiesced and put into a low-power state)
+at run time.
+
+This callback is responsible for freezing the device and preparing it to be
+put into a low-power state, but it must allow the PCI subsystem to perform all
+of the PCI-specific actions necessary for suspending the device.
+
+3.1.16. runtime_resume()
+
+The runtime_resume() callback is specific to device runtime PM.  It is executed
+by the PM core's runtime PM framework when the device is about to be resumed
+(i.e. put into the full-power state and programmed to process I/O normally) at
+run time.
+
+This callback is responsible for restoring the normal functionality of the
+device after it has been put into the full-power state by the PCI subsystem.
+The device is expected to be able to process I/O in the usual way after
+runtime_resume() has returned.
+
+3.1.17. runtime_idle()
+
+The runtime_idle() callback is specific to device runtime PM.  It is executed
+by the PM core's runtime PM framework whenever it may be desirable to suspend
+the device according to the PM core's information.  In particular, it is
+automatically executed right after runtime_resume() has returned in case the
+resume of the device has happened as a result of a spurious event.
+
+This callback is optional, but if it is not implemented or if it returns 0, the
+PCI subsystem will call pm_runtime_suspend() for the device, which in turn will
+cause the driver's runtime_suspend() callback to be executed.
+
+3.1.18. Pointing Multiple Callback Pointers to One Routine
+
+Although in principle each of the callbacks described in the previous
+subsections can be defined as a separate function, it often is convenient to
+point two or more members of struct dev_pm_ops to the same routine.  There are
+a few convenience macros that can be used for this purpose.
+
+The SIMPLE_DEV_PM_OPS macro declares a struct dev_pm_ops object with one
+suspend routine pointed to by the .suspend(), .freeze(), and .poweroff()
+members and one resume routine pointed to by the .resume(), .thaw(), and
+.restore() members.  The other function pointers in this struct dev_pm_ops are
+unset.
+
+The UNIVERSAL_DEV_PM_OPS macro is similar to SIMPLE_DEV_PM_OPS, but it
+additionally sets the .runtime_resume() pointer to the same value as
+.resume() (and .thaw(), and .restore()) and the .runtime_suspend() pointer to
+the same value as .suspend() (and .freeze() and .poweroff()).
+
+The SET_SYSTEM_SLEEP_PM_OPS can be used inside of a declaration of struct
+dev_pm_ops to indicate that one suspend routine is to be pointed to by the
+.suspend(), .freeze(), and .poweroff() members and one resume routine is to
+be pointed to by the .resume(), .thaw(), and .restore() members.
+
+3.2. Device Runtime Power Management
+------------------------------------
+In addition to providing device power management callbacks PCI device drivers
+are responsible for controlling the runtime power management (runtime PM) of
+their devices.
+
+The PCI device runtime PM is optional, but it is recommended that PCI device
+drivers implement it at least in the cases where there is a reliable way of
+verifying that the device is not used (like when the network cable is detached
+from an Ethernet adapter or there are no devices attached to a USB controller).
+
+To support the PCI runtime PM the driver first needs to implement the
+runtime_suspend() and runtime_resume() callbacks.  It also may need to implement
+the runtime_idle() callback to prevent the device from being suspended again
+every time right after the runtime_resume() callback has returned
+(alternatively, the runtime_suspend() callback will have to check if the
+device should really be suspended and return -EAGAIN if that is not the case).
+
+The runtime PM of PCI devices is disabled by default.  It is also blocked by
+pci_pm_init() that runs the pm_runtime_forbid() helper function.  If a PCI
+driver implements the runtime PM callbacks and intends to use the runtime PM
+framework provided by the PM core and the PCI subsystem, it should enable this
+feature by executing the pm_runtime_enable() helper function.  However, the
+driver should not call the pm_runtime_allow() helper function unblocking
+the runtime PM of the device.  Instead, it should allow user space or some
+platform-specific code to do that (user space can do it via sysfs), although
+once it has called pm_runtime_enable(), it must be prepared to handle the
+runtime PM of the device correctly as soon as pm_runtime_allow() is called
+(which may happen at any time).  [It also is possible that user space causes
+pm_runtime_allow() to be called via sysfs before the driver is loaded, so in
+fact the driver has to be prepared to handle the runtime PM of the device as
+soon as it calls pm_runtime_enable().]
+
+The runtime PM framework works by processing requests to suspend or resume
+devices, or to check if they are idle (in which cases it is reasonable to
+subsequently request that they be suspended).  These requests are represented
+by work items put into the power management workqueue, pm_wq.  Although there
+are a few situations in which power management requests are automatically
+queued by the PM core (for example, after processing a request to resume a
+device the PM core automatically queues a request to check if the device is
+idle), device drivers are generally responsible for queuing power management
+requests for their devices.  For this purpose they should use the runtime PM
+helper functions provided by the PM core, discussed in
+Documentation/power/runtime_pm.txt.
+
+Devices can also be suspended and resumed synchronously, without placing a
+request into pm_wq.  In the majority of cases this also is done by their
+drivers that use helper functions provided by the PM core for this purpose.
+
+For more information on the runtime PM of devices refer to
+Documentation/power/runtime_pm.txt.
+
+
+4. Resources
+============
+
+PCI Local Bus Specification, Rev. 3.0
+PCI Bus Power Management Interface Specification, Rev. 1.2
+Advanced Configuration and Power Interface (ACPI) Specification, Rev. 3.0b
+PCI Express Base Specification, Rev. 2.0
+Documentation/power/devices.txt
+Documentation/power/runtime_pm.txt

From 8f6bce3c4f48bd79b57d6ac9f337f5aabee43ea7 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 23:18:16 +0200
Subject: [PATCH 2040/3638] PCI hotplug: Use kmemdup

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/cpqphp_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index f184d1d2ecb..cb7818ffd5c 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -1075,13 +1075,12 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	/* make our own copy of the pci bus structure,
 	 * as we like tweaking it a lot */
-	ctrl->pci_bus = kmalloc(sizeof(*ctrl->pci_bus), GFP_KERNEL);
+	ctrl->pci_bus = kmemdup(pdev->bus, sizeof(*ctrl->pci_bus), GFP_KERNEL);
 	if (!ctrl->pci_bus) {
 		err("out of memory\n");
 		rc = -ENOMEM;
 		goto err_free_ctrl;
 	}
-	memcpy(ctrl->pci_bus, pdev->bus, sizeof(*ctrl->pci_bus));
 
 	ctrl->bus = pdev->bus->number;
 	ctrl->rev = pdev->revision;

From a02ce953a14d6a8aab721b129b3c8ff4981a76e6 Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Wed, 5 May 2010 17:08:49 +0800
Subject: [PATCH 2041/3638] x86/PCI: make ACPI MCFG reserved error messages
 ACPI specific

Both ACPI and SFI firmwares will have MCFG space, but the error message
isn't valid on SFI, so don't print the message in that case.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 arch/x86/pci/mmconfig-shared.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 39b9ebe8f88..a918553ebc7 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -483,16 +483,17 @@ static void __init pci_mmcfg_reject_broken(int early)
 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {
 		int valid = 0;
 
-		if (!early && !acpi_disabled)
+		if (!early && !acpi_disabled) {
 			valid = is_mmconf_reserved(is_acpi_reserved, cfg, 0);
 
-		if (valid)
-			continue;
-
-		if (!early)
-			printk(KERN_ERR FW_BUG PREFIX
-			       "MMCONFIG at %pR not reserved in "
-			       "ACPI motherboard resources\n", &cfg->res);
+			if (valid)
+				continue;
+			else
+				printk(KERN_ERR FW_BUG PREFIX
+				       "MMCONFIG at %pR not reserved in "
+				       "ACPI motherboard resources\n",
+				       &cfg->res);
+		}
 
 		/* Don't try to do this check unless configuration
 		   type 1 is available. how about type 2 ?*/

From 753a8970f68594ea69c5fc13fbca18dbd9402996 Mon Sep 17 00:00:00 2001
From: Peter Hurley <phurley@charter.net>
Date: Fri, 23 Apr 2010 19:27:25 -0400
Subject: [PATCH 2042/3638] firewire: core: Fix tlabel exhaustion problem

fw_core_handle_response() was not properly clearing tlabel_mask. This
was resulting in premature tlabel exhaustion.

Signed-off-by: Peter Hurley <phurley@charter.net>

This fixes an omission in 2.6.31-rc1 commit 1e626fdc "firewire: core:
use more outbound tlabels" which prevented to really use 64 instead of
32 transaction labels, as soon as split transactions occurred that had
their AR-resp tasklet run after the AT-req tasklet.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---
 drivers/firewire/core-transaction.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 9882240205c..901669876c2 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -842,7 +842,7 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
 	list_for_each_entry(t, &card->transaction_list, link) {
 		if (t->node_id == source && t->tlabel == tlabel) {
 			list_del(&t->link);
-			card->tlabel_mask &= ~(1 << t->tlabel);
+			card->tlabel_mask &= ~(1ULL << t->tlabel);
 			break;
 		}
 	}

From b27256439568950f30864ccecaeb6dfb588089d5 Mon Sep 17 00:00:00 2001
From: Nitin Gupta <ngupta@vflare.org>
Date: Mon, 17 May 2010 11:02:42 +0530
Subject: [PATCH 2043/3638] swap: Add flag to identify block swap devices

Added SWP_BLKDEV flag to distinguish block and regular file backed
swap devices. We could also check if a swap is entire block device,
rather than a file, by:
S_ISBLK(swap_info_struct->swap_file->f_mapping->host->i_mode)
but, I think, simply checking this flag is more convenient.

Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Nigel Cunningham <nigel@tuxonice.net>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/swap.h | 1 +
 mm/swapfile.c        | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 1f59d9340c4..ec2b7a42b45 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -146,6 +146,7 @@ enum {
 	SWP_DISCARDING	= (1 << 3),	/* now discarding a free cluster */
 	SWP_SOLIDSTATE	= (1 << 4),	/* blkdev seeks are cheap */
 	SWP_CONTINUED	= (1 << 5),	/* swap_map has count continuation */
+	SWP_BLKDEV	= (1 << 6),	/* its a block device */
 					/* add others here before... */
 	SWP_SCANNING	= (1 << 8),	/* refcount in scan_swap_map */
 };
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6cd0a8f90dc..ecb069e213d 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1884,6 +1884,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 		if (error < 0)
 			goto bad_swap;
 		p->bdev = bdev;
+		p->flags |= SWP_BLKDEV;
 	} else if (S_ISREG(inode->i_mode)) {
 		p->bdev = inode->i_sb->s_bdev;
 		mutex_lock(&inode->i_mutex);

From b3a27d0529c6e5206f1b60f60263e3ecfd0d77cb Mon Sep 17 00:00:00 2001
From: Nitin Gupta <ngupta@vflare.org>
Date: Mon, 17 May 2010 11:02:43 +0530
Subject: [PATCH 2044/3638] swap: Add swap slot free callback to
 block_device_operations

This callback is required when RAM based devices are used as swap disks.
One such device is ramzswap which is used as compressed in-memory swap
disk.  For such devices, we need a callback as soon as a swap slot is no
longer used to allow freeing memory allocated for this slot.  Without this
callback, stale data can quickly accumulate in memory defeating the whole
purpose of such devices.

Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Nigel Cunningham <nigel@tuxonice.net>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/blkdev.h | 2 ++
 mm/swapfile.c          | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6690e8bae7b..413284a51cc 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1287,6 +1287,8 @@ struct block_device_operations {
 						unsigned long long);
 	int (*revalidate_disk) (struct gendisk *);
 	int (*getgeo)(struct block_device *, struct hd_geometry *);
+	/* this callback is with swap_lock and sometimes page table lock held */
+	void (*swap_slot_free_notify) (struct block_device *, unsigned long);
 	struct module *owner;
 };
 
diff --git a/mm/swapfile.c b/mm/swapfile.c
index ecb069e213d..f5ccc476aa5 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -574,6 +574,7 @@ static unsigned char swap_entry_free(struct swap_info_struct *p,
 
 	/* free if no reference */
 	if (!usage) {
+		struct gendisk *disk = p->bdev->bd_disk;
 		if (offset < p->lowest_bit)
 			p->lowest_bit = offset;
 		if (offset > p->highest_bit)
@@ -583,6 +584,9 @@ static unsigned char swap_entry_free(struct swap_info_struct *p,
 			swap_list.next = p->type;
 		nr_swap_pages++;
 		p->inuse_pages--;
+		if ((p->flags & SWP_BLKDEV) &&
+				disk->fops->swap_slot_free_notify)
+			disk->fops->swap_slot_free_notify(p->bdev, offset);
 	}
 
 	return usage;

From 107c161b7ddeeb7da43509cc6b29211885ccd9af Mon Sep 17 00:00:00 2001
From: Nitin Gupta <ngupta@vflare.org>
Date: Mon, 17 May 2010 11:02:44 +0530
Subject: [PATCH 2045/3638] Staging: ramzswap: Handler for swap slot free
 callback

Install handler for swap_slot_free_notify callback which is called
when a swap slot is no longer used. This handler immediately frees
memory allocated corresponding to the given swap slot.

Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Nigel Cunningham <nigel@tuxonice.net>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/ramzswap/TODO           |  5 -----
 drivers/staging/ramzswap/ramzswap_drv.c | 22 +++++++++++++---------
 2 files changed, 13 insertions(+), 14 deletions(-)
 delete mode 100644 drivers/staging/ramzswap/TODO

diff --git a/drivers/staging/ramzswap/TODO b/drivers/staging/ramzswap/TODO
deleted file mode 100644
index 8d64e28fac0..00000000000
--- a/drivers/staging/ramzswap/TODO
+++ /dev/null
@@ -1,5 +0,0 @@
-TODO:
-	- Add support for swap notifiers
-
-Please send patches to Greg Kroah-Hartman <greg@kroah.com> and
-Nitin Gupta <ngupta@vflare.org>
diff --git a/drivers/staging/ramzswap/ramzswap_drv.c b/drivers/staging/ramzswap/ramzswap_drv.c
index 167f8d17a80..d14bf9129e3 100644
--- a/drivers/staging/ramzswap/ramzswap_drv.c
+++ b/drivers/staging/ramzswap/ramzswap_drv.c
@@ -335,14 +335,6 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 
 	src = rzs->compress_buffer;
 
-	/*
-	 * System swaps to same sector again when the stored page
-	 * is no longer referenced by any process. So, its now safe
-	 * to free the memory that was allocated for this page.
-	 */
-	if (rzs->table[index].page || rzs_test_flag(rzs, index, RZS_ZERO))
-		ramzswap_free_page(rzs, index);
-
 	mutex_lock(&rzs->lock);
 
 	user_mem = kmap_atomic(page, KM_USER0);
@@ -690,9 +682,21 @@ out:
 	return ret;
 }
 
+void ramzswap_slot_free_notify(struct block_device *bdev, unsigned long index)
+{
+	struct ramzswap *rzs;
+
+	rzs = bdev->bd_disk->private_data;
+	ramzswap_free_page(rzs, index);
+	rzs_stat64_inc(rzs, &rzs->stats.notify_free);
+
+	return;
+}
+
 static struct block_device_operations ramzswap_devops = {
 	.ioctl = ramzswap_ioctl,
-	.owner = THIS_MODULE,
+	.swap_slot_free_notify = ramzswap_slot_free_notify,
+	.owner = THIS_MODULE
 };
 
 static int create_device(struct ramzswap *rzs, int device_id)

From 61c7a080a5a061c976988fd4b844dfb468dda255 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:12:29 -0700
Subject: [PATCH 2046/3638] of: Always use 'struct device.of_node' to get
 device node pointer.

The following structure elements duplicate the information in
'struct device.of_node' and so are being eliminated.  This patch
makes all readers of these elements use device.of_node instead.

(struct of_device *)->node
(struct dev_archdata *)->prom_node (sparc)
(struct dev_archdata *)->of_node (powerpc & microblaze)

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 arch/microblaze/kernel/of_device.c            |  8 ++---
 arch/microblaze/kernel/of_platform.c          |  4 +--
 arch/powerpc/include/asm/macio.h              |  2 +-
 arch/powerpc/kernel/ibmebus.c                 |  4 +--
 arch/powerpc/kernel/of_device.c               |  8 ++---
 arch/powerpc/kernel/of_platform.c             | 16 +++++-----
 arch/powerpc/platforms/52xx/mpc52xx_gpio.c    |  4 +--
 arch/powerpc/platforms/52xx/mpc52xx_gpt.c     | 16 +++++-----
 arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c |  6 ++--
 arch/powerpc/platforms/82xx/ep8248e.c         |  6 ++--
 arch/powerpc/platforms/83xx/suspend.c         |  2 +-
 arch/powerpc/platforms/cell/axon_msi.c        |  2 +-
 arch/powerpc/platforms/pasemi/gpio_mdio.c     |  2 +-
 arch/powerpc/sysdev/axonram.c                 |  6 ++--
 arch/powerpc/sysdev/bestcomm/bestcomm.c       |  8 ++---
 arch/powerpc/sysdev/fsl_msi.c                 | 14 ++++-----
 arch/powerpc/sysdev/fsl_pmc.c                 |  2 +-
 arch/powerpc/sysdev/fsl_rio.c                 | 30 +++++++++----------
 arch/powerpc/sysdev/pmi.c                     |  2 +-
 arch/sparc/include/asm/fb.h                   |  2 +-
 arch/sparc/include/asm/floppy_64.h            |  4 +--
 arch/sparc/include/asm/parport.h              |  2 +-
 arch/sparc/kernel/auxio_64.c                  |  2 +-
 arch/sparc/kernel/central.c                   |  4 +--
 arch/sparc/kernel/chmc.c                      | 10 +++----
 arch/sparc/kernel/ioport.c                    |  2 +-
 arch/sparc/kernel/of_device_32.c              | 14 ++++-----
 arch/sparc/kernel/of_device_64.c              | 26 ++++++++--------
 arch/sparc/kernel/of_device_common.c          |  4 +--
 arch/sparc/kernel/pci.c                       | 12 ++++----
 arch/sparc/kernel/pci_common.c                |  9 +++---
 arch/sparc/kernel/pci_fire.c                  |  4 +--
 arch/sparc/kernel/pci_msi.c                   | 18 +++++------
 arch/sparc/kernel/pci_psycho.c                |  4 +--
 arch/sparc/kernel/pci_sabre.c                 |  4 +--
 arch/sparc/kernel/pci_schizo.c                | 14 ++++-----
 arch/sparc/kernel/pci_sun4v.c                 |  8 ++---
 arch/sparc/kernel/power.c                     |  4 +--
 arch/sparc/kernel/psycho_common.c             |  2 +-
 arch/sparc/kernel/sbus.c                      | 16 +++++-----
 arch/sparc/kernel/time_32.c                   |  2 +-
 arch/sparc/kernel/time_64.c                   |  6 ++--
 drivers/ata/pata_macio.c                      |  2 +-
 drivers/ata/pata_mpc52xx.c                    | 10 +++----
 drivers/ata/pata_of_platform.c                |  2 +-
 drivers/ata/sata_fsl.c                        |  4 +--
 drivers/atm/fore200e.c                        | 16 +++++-----
 drivers/block/swim3.c                         |  2 +-
 drivers/block/xsysace.c                       |  8 ++---
 drivers/cdrom/viocd.c                         |  2 +-
 drivers/char/hw_random/n2-drv.c               |  2 +-
 drivers/char/hw_random/pasemi-rng.c           |  2 +-
 drivers/char/ipmi/ipmi_si_intf.c              |  4 +--
 drivers/char/viotape.c                        |  2 +-
 drivers/char/xilinx_hwicap/xilinx_hwicap.c    |  6 ++--
 drivers/crypto/talitos.c                      |  2 +-
 drivers/dma/fsldma.c                          |  6 ++--
 drivers/gpio/pca953x.c                        |  2 +-
 drivers/i2c/busses/i2c-cpm.c                  | 20 ++++++-------
 drivers/i2c/busses/i2c-ibm_iic.c              |  4 +--
 drivers/i2c/busses/i2c-mpc.c                  | 17 ++++++-----
 drivers/ide/pmac.c                            | 10 +++----
 drivers/infiniband/hw/ehca/ehca_main.c        | 11 +++----
 drivers/input/serio/i8042-sparcio.h           |  2 +-
 drivers/input/serio/xilinx_ps2.c              |  8 ++---
 drivers/leds/leds-gpio.c                      |  2 +-
 drivers/macintosh/macio_asic.c                | 16 +++++-----
 drivers/macintosh/macio_sysfs.c               |  6 ++--
 drivers/macintosh/mediabay.c                  |  2 +-
 drivers/macintosh/rack-meter.c                |  4 +--
 drivers/macintosh/therm_pm72.c                |  2 +-
 drivers/mmc/host/of_mmc_spi.c                 |  4 +--
 drivers/mmc/host/sdhci-of-core.c              |  2 +-
 drivers/mtd/maps/physmap_of.c                 |  6 ++--
 drivers/mtd/maps/sun_uflash.c                 |  2 +-
 drivers/mtd/nand/fsl_elbc_nand.c              |  6 ++--
 drivers/mtd/nand/ndfc.c                       | 10 +++----
 drivers/mtd/nand/pasemi_nand.c                |  2 +-
 drivers/net/can/sja1000/sja1000_of_platform.c |  4 +--
 drivers/net/ehea/ehea_main.c                  | 14 ++++-----
 drivers/net/fec_mpc52xx.c                     | 12 ++++----
 drivers/net/fec_mpc52xx_phy.c                 |  4 +--
 drivers/net/fs_enet/fs_enet-main.c            |  8 ++---
 drivers/net/fs_enet/mac-fcc.c                 |  8 ++---
 drivers/net/fs_enet/mac-fec.c                 |  4 +--
 drivers/net/fs_enet/mac-scc.c                 |  6 ++--
 drivers/net/fs_enet/mii-fec.c                 |  6 ++--
 drivers/net/fsl_pq_mdio.c                     |  2 +-
 drivers/net/gianfar.c                         |  6 ++--
 drivers/net/greth.c                           |  3 +-
 drivers/net/ibm_newemac/core.c                | 13 ++++----
 drivers/net/ibm_newemac/debug.c               |  9 +++---
 drivers/net/ibm_newemac/debug.h               |  4 +--
 drivers/net/ibm_newemac/mal.c                 | 28 ++++++++---------
 drivers/net/ibm_newemac/rgmii.c               | 12 ++++----
 drivers/net/ibm_newemac/tah.c                 |  7 +++--
 drivers/net/ibm_newemac/zmii.c                |  9 +++---
 drivers/net/ll_temac_main.c                   | 10 +++----
 drivers/net/myri_sbus.c                       |  2 +-
 drivers/net/niu.c                             | 10 +++----
 drivers/net/phy/mdio-gpio.c                   |  6 ++--
 drivers/net/sunbmac.c                         |  6 ++--
 drivers/net/sunhme.c                          |  8 ++---
 drivers/net/sunlance.c                        |  6 ++--
 drivers/net/sunqe.c                           |  6 ++--
 drivers/net/ucc_geth.c                        |  2 +-
 drivers/net/xilinx_emaclite.c                 | 10 +++----
 drivers/of/device.c                           | 20 ++++++-------
 drivers/of/of_i2c.c                           |  2 +-
 drivers/of/of_mdio.c                          |  4 +--
 drivers/pcmcia/electra_cf.c                   |  2 +-
 drivers/sbus/char/bbc_envctrl.c               |  4 +--
 drivers/sbus/char/bbc_i2c.c                   |  4 +--
 drivers/sbus/char/display7seg.c               |  2 +-
 drivers/sbus/char/envctrl.c                   |  2 +-
 drivers/sbus/char/flash.c                     |  4 +--
 drivers/sbus/char/uctrl.c                     |  2 +-
 drivers/scsi/ibmvscsi/ibmvfc.c                |  2 +-
 drivers/scsi/ibmvscsi/ibmvscsi.c              |  2 +-
 drivers/scsi/qlogicpti.c                      | 10 +++----
 drivers/scsi/sun_esp.c                        | 16 +++++-----
 drivers/serial/apbuart.c                      |  2 +-
 drivers/serial/cpm_uart/cpm_uart_core.c       |  2 +-
 drivers/serial/mpc52xx_uart.c                 |  8 ++---
 drivers/serial/nwpserial.c                    |  2 +-
 drivers/serial/of_serial.c                    |  4 +--
 drivers/serial/pmac_zilog.c                   |  2 +-
 drivers/serial/sunhv.c                        |  2 +-
 drivers/serial/sunsab.c                       |  6 ++--
 drivers/serial/sunsu.c                        |  6 ++--
 drivers/serial/sunzilog.c                     |  8 ++---
 drivers/serial/uartlite.c                     |  6 ++--
 drivers/serial/ucc_uart.c                     |  2 +-
 drivers/spi/mpc52xx_psc_spi.c                 | 11 +++----
 drivers/spi/mpc52xx_spi.c                     | 14 ++++-----
 drivers/spi/spi_mpc8xxx.c                     |  8 ++---
 drivers/usb/host/ehci-ppc-of.c                |  2 +-
 drivers/usb/host/fhci-hcd.c                   |  4 +--
 drivers/usb/host/isp1760-if.c                 |  2 +-
 drivers/usb/host/ohci-ppc-of.c                |  2 +-
 drivers/video/cg6.c                           |  2 +-
 drivers/video/ffb.c                           |  2 +-
 drivers/video/fsl-diu-fb.c                    |  2 +-
 drivers/video/platinumfb.c                    |  2 +-
 drivers/video/sunxvr1000.c                    |  2 +-
 drivers/video/xilinxfb.c                      | 18 +++++------
 drivers/watchdog/cpwd.c                       |  2 +-
 sound/aoa/fabrics/layout.c                    |  2 +-
 sound/aoa/soundbus/core.c                     |  8 ++---
 sound/aoa/soundbus/i2sbus/control.c           |  2 +-
 sound/aoa/soundbus/i2sbus/core.c              |  4 +--
 sound/aoa/soundbus/sysfs.c                    |  4 +--
 sound/soc/fsl/mpc5200_dma.c                   |  6 ++--
 sound/soc/fsl/mpc5200_psc_i2s.c               |  2 +-
 sound/soc/fsl/mpc8610_hpcd.c                  |  2 +-
 sound/sparc/cs4231.c                          |  6 ++--
 sound/sparc/dbri.c                            |  2 +-
 157 files changed, 497 insertions(+), 488 deletions(-)

diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c
index f6c521898eb..90d2246e15c 100644
--- a/arch/microblaze/kernel/of_device.c
+++ b/arch/microblaze/kernel/of_device.c
@@ -12,7 +12,7 @@
 void of_device_make_bus_id(struct of_device *dev)
 {
 	static atomic_t bus_no_reg_magic;
-	struct device_node *node = dev->node;
+	struct device_node *node = dev->dev.of_node;
 	const u32 *reg;
 	u64 addr;
 	int magic;
@@ -76,17 +76,17 @@ int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
 
 	ofdev = to_of_device(dev);
 
-	if (add_uevent_var(env, "OF_NAME=%s", ofdev->node->name))
+	if (add_uevent_var(env, "OF_NAME=%s", ofdev->dev.of_node->name))
 		return -ENOMEM;
 
-	if (add_uevent_var(env, "OF_TYPE=%s", ofdev->node->type))
+	if (add_uevent_var(env, "OF_TYPE=%s", ofdev->dev.of_node->type))
 		return -ENOMEM;
 
 	/* Since the compatible field can contain pretty much anything
 	 * it's not really legal to split it out with commas. We split it
 	 * up using a number of environment variables instead. */
 
-	compat = of_get_property(ofdev->node, "compatible", &cplen);
+	compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen);
 	while (compat && *compat && cplen > 0) {
 		if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
 			return -ENOMEM;
diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c
index 0dc755286d3..46a1e105a6b 100644
--- a/arch/microblaze/kernel/of_platform.c
+++ b/arch/microblaze/kernel/of_platform.c
@@ -166,7 +166,7 @@ EXPORT_SYMBOL(of_platform_bus_probe);
 
 static int of_dev_node_match(struct device *dev, void *data)
 {
-	return to_of_device(dev)->node == data;
+	return to_of_device(dev)->dev.of_node == data;
 }
 
 struct of_device *of_find_device_by_node(struct device_node *np)
@@ -184,7 +184,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
 static int of_dev_phandle_match(struct device *dev, void *data)
 {
 	phandle *ph = data;
-	return to_of_device(dev)->node->phandle == *ph;
+	return to_of_device(dev)->dev.of_node->phandle == *ph;
 }
 
 struct of_device *of_find_device_by_phandle(phandle ph)
diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h
index a062c57696d..19a661b4cb9 100644
--- a/arch/powerpc/include/asm/macio.h
+++ b/arch/powerpc/include/asm/macio.h
@@ -108,7 +108,7 @@ static inline void* macio_get_drvdata(struct macio_dev *dev)
 
 static inline struct device_node *macio_get_of_node(struct macio_dev *mdev)
 {
-	return mdev->ofdev.node;
+	return mdev->ofdev.dev.of_node;
 }
 
 #ifdef CONFIG_PCI
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 71cf280da18..a9f31631a29 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -140,14 +140,14 @@ static struct dma_map_ops ibmebus_dma_ops = {
 
 static int ibmebus_match_path(struct device *dev, void *data)
 {
-	struct device_node *dn = to_of_device(dev)->node;
+	struct device_node *dn = to_of_device(dev)->dev.of_node;
 	return (dn->full_name &&
 		(strcasecmp((char *)data, dn->full_name) == 0));
 }
 
 static int ibmebus_match_node(struct device *dev, void *data)
 {
-	return to_of_device(dev)->node == data;
+	return to_of_device(dev)->dev.of_node == data;
 }
 
 static int ibmebus_create_device(struct device_node *dn)
diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c
index 9577e6f4e3b..285c8490c54 100644
--- a/arch/powerpc/kernel/of_device.c
+++ b/arch/powerpc/kernel/of_device.c
@@ -13,7 +13,7 @@
 static void of_device_make_bus_id(struct of_device *dev)
 {
 	static atomic_t bus_no_reg_magic;
-	struct device_node *node = dev->node;
+	struct device_node *node = dev->dev.of_node;
 	const u32 *reg;
 	u64 addr;
 	int magic;
@@ -96,17 +96,17 @@ int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
 
 	ofdev = to_of_device(dev);
 
-	if (add_uevent_var(env, "OF_NAME=%s", ofdev->node->name))
+	if (add_uevent_var(env, "OF_NAME=%s", ofdev->dev.of_node->name))
 		return -ENOMEM;
 
-	if (add_uevent_var(env, "OF_TYPE=%s", ofdev->node->type))
+	if (add_uevent_var(env, "OF_TYPE=%s", ofdev->dev.of_node->type))
 		return -ENOMEM;
 
         /* Since the compatible field can contain pretty much anything
          * it's not really legal to split it out with commas. We split it
          * up using a number of environment variables instead. */
 
-	compat = of_get_property(ofdev->node, "compatible", &cplen);
+	compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen);
 	while (compat && *compat && cplen > 0) {
 		if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
 			return -ENOMEM;
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 6c1dfc3ff8b..1c747c47441 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -195,7 +195,7 @@ EXPORT_SYMBOL(of_platform_bus_probe);
 
 static int of_dev_node_match(struct device *dev, void *data)
 {
-	return to_of_device(dev)->node == data;
+	return to_of_device(dev)->dev.of_node == data;
 }
 
 struct of_device *of_find_device_by_node(struct device_node *np)
@@ -213,7 +213,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
 static int of_dev_phandle_match(struct device *dev, void *data)
 {
 	phandle *ph = data;
-	return to_of_device(dev)->node->phandle == *ph;
+	return to_of_device(dev)->dev.of_node->phandle == *ph;
 }
 
 struct of_device *of_find_device_by_phandle(phandle ph)
@@ -246,10 +246,10 @@ static int __devinit of_pci_phb_probe(struct of_device *dev,
 	if (ppc_md.pci_setup_phb == NULL)
 		return -ENODEV;
 
-	printk(KERN_INFO "Setting up PCI bus %s\n", dev->node->full_name);
+	pr_info("Setting up PCI bus %s\n", dev->dev.of_node->full_name);
 
 	/* Alloc and setup PHB data structure */
-	phb = pcibios_alloc_controller(dev->node);
+	phb = pcibios_alloc_controller(dev->dev.of_node);
 	if (!phb)
 		return -ENODEV;
 
@@ -263,19 +263,19 @@ static int __devinit of_pci_phb_probe(struct of_device *dev,
 	}
 
 	/* Process "ranges" property */
-	pci_process_bridge_OF_ranges(phb, dev->node, 0);
+	pci_process_bridge_OF_ranges(phb, dev->dev.of_node, 0);
 
 	/* Init pci_dn data structures */
 	pci_devs_phb_init_dynamic(phb);
 
 	/* Register devices with EEH */
 #ifdef CONFIG_EEH
-	if (dev->node->child)
-		eeh_add_device_tree_early(dev->node);
+	if (dev->dev.of_node->child)
+		eeh_add_device_tree_early(dev->dev.of_node);
 #endif /* CONFIG_EEH */
 
 	/* Scan the bus */
-	pcibios_scan_phb(phb, dev->node);
+	pcibios_scan_phb(phb, dev->dev.of_node);
 	if (phb->bus == NULL)
 		return -ENXIO;
 
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
index fda7c2a1828..576669fc4fb 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
@@ -168,7 +168,7 @@ static int __devinit mpc52xx_wkup_gpiochip_probe(struct of_device *ofdev,
 	ofchip->gc.get              = mpc52xx_wkup_gpio_get;
 	ofchip->gc.set              = mpc52xx_wkup_gpio_set;
 
-	ret = of_mm_gpiochip_add(ofdev->node, &chip->mmchip);
+	ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip);
 	if (ret)
 		return ret;
 
@@ -329,7 +329,7 @@ static int __devinit mpc52xx_simple_gpiochip_probe(struct of_device *ofdev,
 	ofchip->gc.get              = mpc52xx_simple_gpio_get;
 	ofchip->gc.set              = mpc52xx_simple_gpio_set;
 
-	ret = of_mm_gpiochip_add(ofdev->node, &chip->mmchip);
+	ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip);
 	if (ret)
 		return ret;
 
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index a60ee39d3b7..42c507f9c35 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -734,8 +734,8 @@ static int __devinit mpc52xx_gpt_probe(struct of_device *ofdev,
 
 	spin_lock_init(&gpt->lock);
 	gpt->dev = &ofdev->dev;
-	gpt->ipb_freq = mpc5xxx_get_bus_frequency(ofdev->node);
-	gpt->regs = of_iomap(ofdev->node, 0);
+	gpt->ipb_freq = mpc5xxx_get_bus_frequency(ofdev->dev.of_node);
+	gpt->regs = of_iomap(ofdev->dev.of_node, 0);
 	if (!gpt->regs) {
 		kfree(gpt);
 		return -ENOMEM;
@@ -743,21 +743,21 @@ static int __devinit mpc52xx_gpt_probe(struct of_device *ofdev,
 
 	dev_set_drvdata(&ofdev->dev, gpt);
 
-	mpc52xx_gpt_gpio_setup(gpt, ofdev->node);
-	mpc52xx_gpt_irq_setup(gpt, ofdev->node);
+	mpc52xx_gpt_gpio_setup(gpt, ofdev->dev.of_node);
+	mpc52xx_gpt_irq_setup(gpt, ofdev->dev.of_node);
 
 	mutex_lock(&mpc52xx_gpt_list_mutex);
 	list_add(&gpt->list, &mpc52xx_gpt_list);
 	mutex_unlock(&mpc52xx_gpt_list_mutex);
 
 	/* check if this device could be a watchdog */
-	if (of_get_property(ofdev->node, "fsl,has-wdt", NULL) ||
-	    of_get_property(ofdev->node, "has-wdt", NULL)) {
+	if (of_get_property(ofdev->dev.of_node, "fsl,has-wdt", NULL) ||
+	    of_get_property(ofdev->dev.of_node, "has-wdt", NULL)) {
 		const u32 *on_boot_wdt;
 
 		gpt->wdt_mode = MPC52xx_GPT_CAN_WDT;
-		on_boot_wdt = of_get_property(ofdev->node, "fsl,wdt-on-boot",
-					      NULL);
+		on_boot_wdt = of_get_property(ofdev->dev.of_node,
+					      "fsl,wdt-on-boot", NULL);
 		if (on_boot_wdt) {
 			dev_info(gpt->dev, "used as watchdog\n");
 			gpt->wdt_mode |= MPC52xx_GPT_IS_WDT;
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index d4f8be307cd..17b99ba7a8c 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -445,14 +445,14 @@ mpc52xx_lpbfifo_probe(struct of_device *op, const struct of_device_id *match)
 	if (lpbfifo.dev != NULL)
 		return -ENOSPC;
 
-	lpbfifo.irq = irq_of_parse_and_map(op->node, 0);
+	lpbfifo.irq = irq_of_parse_and_map(op->dev.of_node, 0);
 	if (!lpbfifo.irq)
 		return -ENODEV;
 
-	if (of_address_to_resource(op->node, 0, &res))
+	if (of_address_to_resource(op->dev.of_node, 0, &res))
 		return -ENODEV;
 	lpbfifo.regs_phys = res.start;
-	lpbfifo.regs = of_iomap(op->node, 0);
+	lpbfifo.regs = of_iomap(op->dev.of_node, 0);
 	if (!lpbfifo.regs)
 		return -ENOMEM;
 
diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c
index f21555d3395..0176ae8249d 100644
--- a/arch/powerpc/platforms/82xx/ep8248e.c
+++ b/arch/powerpc/platforms/82xx/ep8248e.c
@@ -119,12 +119,12 @@ static int __devinit ep8248e_mdio_probe(struct of_device *ofdev,
 	struct device_node *node;
 	int ret;
 
-	node = of_get_parent(ofdev->node);
+	node = of_get_parent(ofdev->dev.of_node);
 	of_node_put(node);
 	if (node != ep8248e_bcsr_node)
 		return -ENODEV;
 
-	ret = of_address_to_resource(ofdev->node, 0, &res);
+	ret = of_address_to_resource(ofdev->dev.of_node, 0, &res);
 	if (ret)
 		return ret;
 
@@ -142,7 +142,7 @@ static int __devinit ep8248e_mdio_probe(struct of_device *ofdev,
 	bus->parent = &ofdev->dev;
 	snprintf(bus->id, MII_BUS_ID_SIZE, "%x", res.start);
 
-	ret = of_mdiobus_register(bus, ofdev->node);
+	ret = of_mdiobus_register(bus, ofdev->dev.of_node);
 	if (ret)
 		goto err_free_irq;
 
diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c
index 43805348b81..aa0b764b1cc 100644
--- a/arch/powerpc/platforms/83xx/suspend.c
+++ b/arch/powerpc/platforms/83xx/suspend.c
@@ -321,7 +321,7 @@ static struct platform_suspend_ops mpc83xx_suspend_ops = {
 static int pmc_probe(struct of_device *ofdev,
                      const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct resource res;
 	struct pmc_type *type = match->data;
 	int ret = 0;
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 8efe48192f3..177a4f1369b 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -345,7 +345,7 @@ static int axon_msi_shutdown(struct of_device *device)
 static int axon_msi_probe(struct of_device *device,
 			  const struct of_device_id *device_id)
 {
-	struct device_node *dn = device->node;
+	struct device_node *dn = device->dev.of_node;
 	struct axon_msic *msic;
 	unsigned int virq;
 	int dcr_base, dcr_len;
diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c
index 0f881f64583..c44e1b3b91d 100644
--- a/arch/powerpc/platforms/pasemi/gpio_mdio.c
+++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c
@@ -220,7 +220,7 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
 				     const struct of_device_id *match)
 {
 	struct device *dev = &ofdev->dev;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct mii_bus *new_bus;
 	struct gpio_priv *priv;
 	const unsigned int *prop;
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
index 88f4ae78783..88b21fccf0c 100644
--- a/arch/powerpc/sysdev/axonram.c
+++ b/arch/powerpc/sysdev/axonram.c
@@ -185,7 +185,7 @@ axon_ram_probe(struct of_device *device, const struct of_device_id *device_id)
 	axon_ram_bank_id++;
 
 	dev_info(&device->dev, "Found memory controller on %s\n",
-			device->node->full_name);
+			device->dev.of_node->full_name);
 
 	bank = kzalloc(sizeof(struct axon_ram_bank), GFP_KERNEL);
 	if (bank == NULL) {
@@ -198,7 +198,7 @@ axon_ram_probe(struct of_device *device, const struct of_device_id *device_id)
 
 	bank->device = device;
 
-	if (of_address_to_resource(device->node, 0, &resource) != 0) {
+	if (of_address_to_resource(device->dev.of_node, 0, &resource) != 0) {
 		dev_err(&device->dev, "Cannot access device tree\n");
 		rc = -EFAULT;
 		goto failed;
@@ -253,7 +253,7 @@ axon_ram_probe(struct of_device *device, const struct of_device_id *device_id)
 	blk_queue_logical_block_size(bank->disk->queue, AXON_RAM_SECTOR_SIZE);
 	add_disk(bank->disk);
 
-	bank->irq_id = irq_of_parse_and_map(device->node, 0);
+	bank->irq_id = irq_of_parse_and_map(device->dev.of_node, 0);
 	if (bank->irq_id == NO_IRQ) {
 		dev_err(&device->dev, "Cannot access ECC interrupt ID\n");
 		rc = -EFAULT;
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c
index 378ebd9aac1..d32d5389b67 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.c
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c
@@ -377,7 +377,7 @@ mpc52xx_bcom_probe(struct of_device *op, const struct of_device_id *match)
 	printk(KERN_INFO "DMA: MPC52xx BestComm driver\n");
 
 	/* Get the bestcomm node */
-	of_node_get(op->node);
+	of_node_get(op->dev.of_node);
 
 	/* Prepare SRAM */
 	ofn_sram = of_find_matching_node(NULL, mpc52xx_sram_ids);
@@ -406,10 +406,10 @@ mpc52xx_bcom_probe(struct of_device *op, const struct of_device_id *match)
 	}
 
 	/* Save the node */
-	bcom_eng->ofnode = op->node;
+	bcom_eng->ofnode = op->dev.of_node;
 
 	/* Get, reserve & map io */
-	if (of_address_to_resource(op->node, 0, &res_bcom)) {
+	if (of_address_to_resource(op->dev.of_node, 0, &res_bcom)) {
 		printk(KERN_ERR DRIVER_NAME ": "
 			"Can't get resource\n");
 		rv = -EINVAL;
@@ -453,7 +453,7 @@ error_sramclean:
 	kfree(bcom_eng);
 	bcom_sram_cleanup();
 error_ofput:
-	of_node_put(op->node);
+	of_node_put(op->dev.of_node);
 
 	printk(KERN_ERR "DMA: MPC52xx BestComm init failed !\n");
 
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index 3482e3fd89c..569dae8ea1c 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -249,7 +249,7 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev,
 		goto error_out;
 	}
 
-	msi->irqhost = irq_alloc_host(dev->node, IRQ_HOST_MAP_LINEAR,
+	msi->irqhost = irq_alloc_host(dev->dev.of_node, IRQ_HOST_MAP_LINEAR,
 				      NR_MSI_IRQS, &fsl_msi_host_ops, 0);
 
 	if (msi->irqhost == NULL) {
@@ -259,10 +259,10 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev,
 	}
 
 	/* Get the MSI reg base */
-	err = of_address_to_resource(dev->node, 0, &res);
+	err = of_address_to_resource(dev->dev.of_node, 0, &res);
 	if (err) {
 		dev_err(&dev->dev, "%s resource error!\n",
-				dev->node->full_name);
+				dev->dev.of_node->full_name);
 		goto error_out;
 	}
 
@@ -285,16 +285,16 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev,
 		goto error_out;
 	}
 
-	p = of_get_property(dev->node, "interrupts", &count);
+	p = of_get_property(dev->dev.of_node, "interrupts", &count);
 	if (!p) {
 		dev_err(&dev->dev, "no interrupts property found on %s\n",
-				dev->node->full_name);
+				dev->dev.of_node->full_name);
 		err = -ENODEV;
 		goto error_out;
 	}
 	if (count % 8 != 0) {
 		dev_err(&dev->dev, "Malformed interrupts property on %s\n",
-				dev->node->full_name);
+				dev->dev.of_node->full_name);
 		err = -EINVAL;
 		goto error_out;
 	}
@@ -303,7 +303,7 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev,
 	for (i = 0; i < count / 2; i++) {
 		if (i > NR_MSI_REG)
 			break;
-		virt_msir = irq_of_parse_and_map(dev->node, i);
+		virt_msir = irq_of_parse_and_map(dev->dev.of_node, i);
 		if (virt_msir != NO_IRQ) {
 			set_irq_data(virt_msir, (void *)i);
 			set_irq_chained_handler(virt_msir, fsl_msi_cascade);
diff --git a/arch/powerpc/sysdev/fsl_pmc.c b/arch/powerpc/sysdev/fsl_pmc.c
index a7635a993dc..2ebe817ca72 100644
--- a/arch/powerpc/sysdev/fsl_pmc.c
+++ b/arch/powerpc/sysdev/fsl_pmc.c
@@ -60,7 +60,7 @@ static struct platform_suspend_ops pmc_suspend_ops = {
 
 static int pmc_probe(struct of_device *ofdev, const struct of_device_id *id)
 {
-	pmc_regs = of_iomap(ofdev->node, 0);
+	pmc_regs = of_iomap(ofdev->dev.of_node, 0);
 	if (!pmc_regs)
 		return -ENOMEM;
 
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 71fba88f50d..a98d5163924 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1015,41 +1015,41 @@ int fsl_rio_setup(struct of_device *dev)
 	u64 law_start, law_size;
 	int paw, aw, sw;
 
-	if (!dev->node) {
+	if (!dev->dev.of_node) {
 		dev_err(&dev->dev, "Device OF-Node is NULL");
 		return -EFAULT;
 	}
 
-	rc = of_address_to_resource(dev->node, 0, &regs);
+	rc = of_address_to_resource(dev->dev.of_node, 0, &regs);
 	if (rc) {
 		dev_err(&dev->dev, "Can't get %s property 'reg'\n",
-				dev->node->full_name);
+				dev->dev.of_node->full_name);
 		return -EFAULT;
 	}
-	dev_info(&dev->dev, "Of-device full name %s\n", dev->node->full_name);
+	dev_info(&dev->dev, "Of-device full name %s\n", dev->dev.of_node->full_name);
 	dev_info(&dev->dev, "Regs: %pR\n", &regs);
 
-	dt_range = of_get_property(dev->node, "ranges", &rlen);
+	dt_range = of_get_property(dev->dev.of_node, "ranges", &rlen);
 	if (!dt_range) {
 		dev_err(&dev->dev, "Can't get %s property 'ranges'\n",
-				dev->node->full_name);
+				dev->dev.of_node->full_name);
 		return -EFAULT;
 	}
 
 	/* Get node address wide */
-	cell = of_get_property(dev->node, "#address-cells", NULL);
+	cell = of_get_property(dev->dev.of_node, "#address-cells", NULL);
 	if (cell)
 		aw = *cell;
 	else
-		aw = of_n_addr_cells(dev->node);
+		aw = of_n_addr_cells(dev->dev.of_node);
 	/* Get node size wide */
-	cell = of_get_property(dev->node, "#size-cells", NULL);
+	cell = of_get_property(dev->dev.of_node, "#size-cells", NULL);
 	if (cell)
 		sw = *cell;
 	else
-		sw = of_n_size_cells(dev->node);
+		sw = of_n_size_cells(dev->dev.of_node);
 	/* Get parent address wide wide */
-	paw = of_n_addr_cells(dev->node);
+	paw = of_n_addr_cells(dev->dev.of_node);
 
 	law_start = of_read_number(dt_range + aw, paw);
 	law_size = of_read_number(dt_range + aw + paw, sw);
@@ -1089,9 +1089,9 @@ int fsl_rio_setup(struct of_device *dev)
 	port->iores.flags = IORESOURCE_MEM;
 	port->iores.name = "rio_io_win";
 
-	priv->bellirq = irq_of_parse_and_map(dev->node, 2);
-	priv->txirq = irq_of_parse_and_map(dev->node, 3);
-	priv->rxirq = irq_of_parse_and_map(dev->node, 4);
+	priv->bellirq = irq_of_parse_and_map(dev->dev.of_node, 2);
+	priv->txirq = irq_of_parse_and_map(dev->dev.of_node, 3);
+	priv->rxirq = irq_of_parse_and_map(dev->dev.of_node, 4);
 	dev_info(&dev->dev, "bellirq: %d, txirq: %d, rxirq %d\n", priv->bellirq,
 				priv->txirq, priv->rxirq);
 
@@ -1195,7 +1195,7 @@ static int __devinit fsl_of_rio_rpn_probe(struct of_device *dev,
 {
 	int rc;
 	printk(KERN_INFO "Setting up RapidIO peer-to-peer network %s\n",
-			dev->node->full_name);
+			dev->dev.of_node->full_name);
 
 	rc = fsl_rio_setup(dev);
 	if (rc)
diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c
index 652652db4ce..ff758bff1b7 100644
--- a/arch/powerpc/sysdev/pmi.c
+++ b/arch/powerpc/sysdev/pmi.c
@@ -124,7 +124,7 @@ static void pmi_notify_handlers(struct work_struct *work)
 static int pmi_of_probe(struct of_device *dev,
 			const struct of_device_id *match)
 {
-	struct device_node *np = dev->node;
+	struct device_node *np = dev->dev.of_node;
 	int rc;
 
 	if (data) {
diff --git a/arch/sparc/include/asm/fb.h b/arch/sparc/include/asm/fb.h
index b83e4472965..e834880be20 100644
--- a/arch/sparc/include/asm/fb.h
+++ b/arch/sparc/include/asm/fb.h
@@ -18,7 +18,7 @@ static inline int fb_is_primary_device(struct fb_info *info)
 	struct device *dev = info->device;
 	struct device_node *node;
 
-	node = dev->archdata.prom_node;
+	node = dev->of_node;
 	if (node &&
 	    node == of_console_device)
 		return 1;
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index 36439d67ad7..8fac3ab22f3 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -589,7 +589,7 @@ static unsigned long __init sun_floppy_init(void)
 		if (!op)
 			return 0;
 
-		state_prop = of_get_property(op->node, "status", NULL);
+		state_prop = of_get_property(op->dev.of_node, "status", NULL);
 		if (state_prop && !strncmp(state_prop, "disabled", 8))
 			return 0;
 
@@ -716,7 +716,7 @@ static unsigned long __init sun_floppy_init(void)
 
 		return sun_floppy_types[0];
 	}
-	prop = of_get_property(op->node, "status", NULL);
+	prop = of_get_property(op->dev.of_node, "status", NULL);
 	if (prop && !strncmp(state, "disabled", 8))
 		return 0;
 
diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index ff9ead640c4..1bb6a41b00f 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -113,7 +113,7 @@ static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id
 	struct parport *p;
 	int slot, err;
 
-	parent = op->node->parent;
+	parent = op->dev.of_node->parent;
 	if (!strcmp(parent->name, "dma")) {
 		p = parport_pc_probe_port(base, base + 0x400,
 					  op->irqs[0], PARPORT_DMA_NOFIFO,
diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c
index 9f52db2d441..bd8421a2685 100644
--- a/arch/sparc/kernel/auxio_64.c
+++ b/arch/sparc/kernel/auxio_64.c
@@ -104,7 +104,7 @@ MODULE_DEVICE_TABLE(of, auxio_match);
 
 static int __devinit auxio_probe(struct of_device *dev, const struct of_device_id *match)
 {
-	struct device_node *dp = dev->node;
+	struct device_node *dp = dev->dev.of_node;
 	unsigned long size;
 
 	if (!strcmp(dp->parent->name, "ebus")) {
diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index 415c86d5a8d..d533f3d5d48 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -168,7 +168,7 @@ static int __devinit fhc_probe(struct of_device *op,
 		goto out;
 	}
 
-	if (!strcmp(op->node->parent->name, "central"))
+	if (!strcmp(op->dev.of_node->parent->name, "central"))
 		p->central = true;
 
 	p->pregs = of_ioremap(&op->resource[0], 0,
@@ -183,7 +183,7 @@ static int __devinit fhc_probe(struct of_device *op,
 		reg = upa_readl(p->pregs + FHC_PREGS_BSR);
 		p->board_num = ((reg >> 16) & 1) | ((reg >> 12) & 0x0e);
 	} else {
-		p->board_num = of_getintprop_default(op->node, "board#", -1);
+		p->board_num = of_getintprop_default(op->dev.of_node, "board#", -1);
 		if (p->board_num == -1) {
 			printk(KERN_ERR "fhc: No board# property\n");
 			goto out_unmap_pregs;
diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c
index e1a9598e2a4..936879639eb 100644
--- a/arch/sparc/kernel/chmc.c
+++ b/arch/sparc/kernel/chmc.c
@@ -425,7 +425,7 @@ static int __devinit jbusmc_probe(struct of_device *op,
 	INIT_LIST_HEAD(&p->list);
 
 	err = -ENODEV;
-	prop = of_get_property(op->node, "portid", &len);
+	prop = of_get_property(op->dev.of_node, "portid", &len);
 	if (!prop || len != 4) {
 		printk(KERN_ERR PFX "Cannot find portid.\n");
 		goto out_free;
@@ -433,7 +433,7 @@ static int __devinit jbusmc_probe(struct of_device *op,
 
 	p->portid = *prop;
 
-	prop = of_get_property(op->node, "memory-control-register-1", &len);
+	prop = of_get_property(op->dev.of_node, "memory-control-register-1", &len);
 	if (!prop || len != 8) {
 		printk(KERN_ERR PFX "Cannot get memory control register 1.\n");
 		goto out_free;
@@ -449,7 +449,7 @@ static int __devinit jbusmc_probe(struct of_device *op,
 	}
 
 	err = -ENODEV;
-	ml = of_get_property(op->node, "memory-layout", &p->layout_len);
+	ml = of_get_property(op->dev.of_node, "memory-layout", &p->layout_len);
 	if (!ml) {
 		printk(KERN_ERR PFX "Cannot get memory layout property.\n");
 		goto out_iounmap;
@@ -466,7 +466,7 @@ static int __devinit jbusmc_probe(struct of_device *op,
 	mc_list_add(&p->list);
 
 	printk(KERN_INFO PFX "UltraSPARC-IIIi memory controller at %s\n",
-	       op->node->full_name);
+	       op->dev.of_node->full_name);
 
 	dev_set_drvdata(&op->dev, p);
 
@@ -693,7 +693,7 @@ static void chmc_fetch_decode_regs(struct chmc *p)
 static int __devinit chmc_probe(struct of_device *op,
 				const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	unsigned long ver;
 	const void *pval;
 	int len, portid;
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 84e5386714c..703e4aa9bc3 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -290,7 +290,7 @@ static void *sbus_alloc_coherent(struct device *dev, size_t len,
 	if (mmu_map_dma_area(dev, dma_addrp, va, res->start, len_total) != 0)
 		goto err_noiommu;
 
-	res->name = op->node->name;
+	res->name = op->dev.of_node->name;
 
 	return (void *)(unsigned long)res->start;
 
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 4926c1babd8..70731171614 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -254,10 +254,10 @@ static void __init build_device_resources(struct of_device *op,
 		return;
 
 	p_op = to_of_device(parent);
-	bus = of_match_bus(p_op->node);
-	bus->count_cells(op->node, &na, &ns);
+	bus = of_match_bus(p_op->dev.of_node);
+	bus->count_cells(op->dev.of_node, &na, &ns);
 
-	preg = of_get_property(op->node, bus->addr_prop_name, &num_reg);
+	preg = of_get_property(op->dev.of_node, bus->addr_prop_name, &num_reg);
 	if (!preg || num_reg == 0)
 		return;
 
@@ -271,8 +271,8 @@ static void __init build_device_resources(struct of_device *op,
 		struct resource *r = &op->resource[index];
 		u32 addr[OF_MAX_ADDR_CELLS];
 		const u32 *reg = (preg + (index * ((na + ns) * 4)));
-		struct device_node *dp = op->node;
-		struct device_node *pp = p_op->node;
+		struct device_node *dp = op->dev.of_node;
+		struct device_node *pp = p_op->dev.of_node;
 		struct of_bus *pbus, *dbus;
 		u64 size, result = OF_BAD_ADDR;
 		unsigned long flags;
@@ -321,7 +321,7 @@ static void __init build_device_resources(struct of_device *op,
 
 		if (of_resource_verbose)
 			printk("%s reg[%d] -> %llx\n",
-			       op->node->full_name, index,
+			       op->dev.of_node->full_name, index,
 			       result);
 
 		if (result != OF_BAD_ADDR) {
@@ -329,7 +329,7 @@ static void __init build_device_resources(struct of_device *op,
 			r->end = result + size - 1;
 			r->flags = flags | ((result >> 32ULL) & 0xffUL);
 		}
-		r->name = op->node->name;
+		r->name = op->dev.of_node->name;
 	}
 }
 
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 5bc74161667..c8e352e0a09 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -323,10 +323,10 @@ static void __init build_device_resources(struct of_device *op,
 		return;
 
 	p_op = to_of_device(parent);
-	bus = of_match_bus(p_op->node);
-	bus->count_cells(op->node, &na, &ns);
+	bus = of_match_bus(p_op->dev.of_node);
+	bus->count_cells(op->dev.of_node, &na, &ns);
 
-	preg = of_get_property(op->node, bus->addr_prop_name, &num_reg);
+	preg = of_get_property(op->dev.of_node, bus->addr_prop_name, &num_reg);
 	if (!preg || num_reg == 0)
 		return;
 
@@ -340,7 +340,7 @@ static void __init build_device_resources(struct of_device *op,
 	if (num_reg > PROMREG_MAX) {
 		printk(KERN_WARNING "%s: Too many regs (%d), "
 		       "limiting to %d.\n",
-		       op->node->full_name, num_reg, PROMREG_MAX);
+		       op->dev.of_node->full_name, num_reg, PROMREG_MAX);
 		num_reg = PROMREG_MAX;
 	}
 
@@ -348,8 +348,8 @@ static void __init build_device_resources(struct of_device *op,
 		struct resource *r = &op->resource[index];
 		u32 addr[OF_MAX_ADDR_CELLS];
 		const u32 *reg = (preg + (index * ((na + ns) * 4)));
-		struct device_node *dp = op->node;
-		struct device_node *pp = p_op->node;
+		struct device_node *dp = op->dev.of_node;
+		struct device_node *pp = p_op->dev.of_node;
 		struct of_bus *pbus, *dbus;
 		u64 size, result = OF_BAD_ADDR;
 		unsigned long flags;
@@ -397,7 +397,7 @@ static void __init build_device_resources(struct of_device *op,
 
 		if (of_resource_verbose)
 			printk("%s reg[%d] -> %llx\n",
-			       op->node->full_name, index,
+			       op->dev.of_node->full_name, index,
 			       result);
 
 		if (result != OF_BAD_ADDR) {
@@ -408,7 +408,7 @@ static void __init build_device_resources(struct of_device *op,
 			r->end = result + size - 1;
 			r->flags = flags;
 		}
-		r->name = op->node->name;
+		r->name = op->dev.of_node->name;
 	}
 }
 
@@ -530,7 +530,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 						struct device *parent,
 						unsigned int irq)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct device_node *pp, *ip;
 	unsigned int orig_irq = irq;
 	int nid;
@@ -575,7 +575,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 
 			if (of_irq_verbose)
 				printk("%s: Apply [%s:%x] imap --> [%s:%x]\n",
-				       op->node->full_name,
+				       op->dev.of_node->full_name,
 				       pp->full_name, this_orig_irq,
 				       (iret ? iret->full_name : "NULL"), irq);
 
@@ -594,7 +594,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 				if (of_irq_verbose)
 					printk("%s: PCI swizzle [%s] "
 					       "%x --> %x\n",
-					       op->node->full_name,
+					       op->dev.of_node->full_name,
 					       pp->full_name, this_orig_irq,
 					       irq);
 
@@ -611,11 +611,11 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 	if (!ip)
 		return orig_irq;
 
-	irq = ip->irq_trans->irq_build(op->node, irq,
+	irq = ip->irq_trans->irq_build(op->dev.of_node, irq,
 				       ip->irq_trans->data);
 	if (of_irq_verbose)
 		printk("%s: Apply IRQ trans [%s] %x --> %x\n",
-		       op->node->full_name, ip->full_name, orig_irq, irq);
+		      op->dev.of_node->full_name, ip->full_name, orig_irq, irq);
 
 out:
 	nid = of_node_to_nid(dp);
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c
index 0247e68210b..10c6c36a6e7 100644
--- a/arch/sparc/kernel/of_device_common.c
+++ b/arch/sparc/kernel/of_device_common.c
@@ -16,7 +16,7 @@ static int node_match(struct device *dev, void *data)
 	struct of_device *op = to_of_device(dev);
 	struct device_node *dp = data;
 
-	return (op->node == dp);
+	return (op->dev.of_node == dp);
 }
 
 struct of_device *of_find_device_by_node(struct device_node *dp)
@@ -48,7 +48,7 @@ EXPORT_SYMBOL(irq_of_parse_and_map);
 void of_propagate_archdata(struct of_device *bus)
 {
 	struct dev_archdata *bus_sd = &bus->dev.archdata;
-	struct device_node *bus_dp = bus->node;
+	struct device_node *bus_dp = bus->dev.of_node;
 	struct device_node *dp;
 
 	for (dp = bus_dp->child; dp; dp = dp->sibling) {
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 0c920147b4e..c7a214ec5af 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -654,7 +654,7 @@ show_pciobppath_attr(struct device * dev, struct device_attribute * attr, char *
 	struct device_node *dp;
 
 	pdev = to_pci_dev(dev);
-	dp = pdev->dev.archdata.prom_node;
+	dp = pdev->dev.of_node;
 
 	return snprintf (buf, PAGE_SIZE, "%s\n", dp->full_name);
 }
@@ -684,7 +684,7 @@ static void __devinit pci_bus_register_of_sysfs(struct pci_bus *bus)
 struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm,
 					    struct device *parent)
 {
-	struct device_node *node = pbm->op->node;
+	struct device_node *node = pbm->op->dev.of_node;
 	struct pci_bus *bus;
 
 	printk("PCI: Scanning PBM %s\n", node->full_name);
@@ -1023,7 +1023,7 @@ void arch_teardown_msi_irq(unsigned int virt_irq)
 
 struct device_node *pci_device_to_OF_node(struct pci_dev *pdev)
 {
-	return pdev->dev.archdata.prom_node;
+	return pdev->dev.of_node;
 }
 EXPORT_SYMBOL(pci_device_to_OF_node);
 
@@ -1152,15 +1152,13 @@ static int __init of_pci_slot_init(void)
 		struct device_node *node;
 
 		if (pbus->self) {
-			struct dev_archdata *sd = pbus->self->sysdata;
-
 			/* PCI->PCI bridge */
-			node = sd->prom_node;
+			node = pbus->self->dev.of_node;
 		} else {
 			struct pci_pbm_info *pbm = pbus->sysdata;
 
 			/* Host PCI controller */
-			node = pbm->op->node;
+			node = pbm->op->dev.of_node;
 		}
 
 		pci_bus_slot_names(node, pbus);
diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c
index 8a000583b5c..6c7a33af3ba 100644
--- a/arch/sparc/kernel/pci_common.c
+++ b/arch/sparc/kernel/pci_common.c
@@ -314,12 +314,12 @@ struct pci_ops sun4v_pci_ops = {
 
 void pci_get_pbm_props(struct pci_pbm_info *pbm)
 {
-	const u32 *val = of_get_property(pbm->op->node, "bus-range", NULL);
+	const u32 *val = of_get_property(pbm->op->dev.of_node, "bus-range", NULL);
 
 	pbm->pci_first_busno = val[0];
 	pbm->pci_last_busno = val[1];
 
-	val = of_get_property(pbm->op->node, "ino-bitmap", NULL);
+	val = of_get_property(pbm->op->dev.of_node, "ino-bitmap", NULL);
 	if (val) {
 		pbm->ino_bitmap = (((u64)val[1] << 32UL) |
 				   ((u64)val[0] <<  0UL));
@@ -365,7 +365,8 @@ static void pci_register_legacy_regions(struct resource *io_res,
 
 static void pci_register_iommu_region(struct pci_pbm_info *pbm)
 {
-	const u32 *vdma = of_get_property(pbm->op->node, "virtual-dma", NULL);
+	const u32 *vdma = of_get_property(pbm->op->dev.of_node, "virtual-dma",
+					  NULL);
 
 	if (vdma) {
 		struct resource *rp = kzalloc(sizeof(*rp), GFP_KERNEL);
@@ -394,7 +395,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
 	int num_pbm_ranges;
 
 	saw_mem = saw_io = 0;
-	pbm_ranges = of_get_property(pbm->op->node, "ranges", &i);
+	pbm_ranges = of_get_property(pbm->op->dev.of_node, "ranges", &i);
 	if (!pbm_ranges) {
 		prom_printf("PCI: Fatal error, missing PBM ranges property "
 			    " for %s\n",
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index d53f45bc7dd..ff844baa28e 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -413,7 +413,7 @@ static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
 				       struct of_device *op, u32 portid)
 {
 	const struct linux_prom64_registers *regs;
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	int err;
 
 	pbm->numa_node = -1;
@@ -458,7 +458,7 @@ static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
 static int __devinit fire_probe(struct of_device *op,
 				const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct pci_pbm_info *pbm;
 	struct iommu *iommu;
 	u32 portid;
diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c
index e0ef847219c..548b8ca9c21 100644
--- a/arch/sparc/kernel/pci_msi.c
+++ b/arch/sparc/kernel/pci_msi.c
@@ -324,7 +324,7 @@ void sparc64_pbm_msi_init(struct pci_pbm_info *pbm,
 	const u32 *val;
 	int len;
 
-	val = of_get_property(pbm->op->node, "#msi-eqs", &len);
+	val = of_get_property(pbm->op->dev.of_node, "#msi-eqs", &len);
 	if (!val || len != 4)
 		goto no_msi;
 	pbm->msiq_num = *val;
@@ -347,16 +347,16 @@ void sparc64_pbm_msi_init(struct pci_pbm_info *pbm,
 			u32 msi64_len;
 		} *arng;
 
-		val = of_get_property(pbm->op->node, "msi-eq-size", &len);
+		val = of_get_property(pbm->op->dev.of_node, "msi-eq-size", &len);
 		if (!val || len != 4)
 			goto no_msi;
 
 		pbm->msiq_ent_count = *val;
 
-		mqp = of_get_property(pbm->op->node,
+		mqp = of_get_property(pbm->op->dev.of_node,
 				      "msi-eq-to-devino", &len);
 		if (!mqp)
-			mqp = of_get_property(pbm->op->node,
+			mqp = of_get_property(pbm->op->dev.of_node,
 					      "msi-eq-devino", &len);
 		if (!mqp || len != sizeof(struct msiq_prop))
 			goto no_msi;
@@ -364,27 +364,27 @@ void sparc64_pbm_msi_init(struct pci_pbm_info *pbm,
 		pbm->msiq_first = mqp->first_msiq;
 		pbm->msiq_first_devino = mqp->first_devino;
 
-		val = of_get_property(pbm->op->node, "#msi", &len);
+		val = of_get_property(pbm->op->dev.of_node, "#msi", &len);
 		if (!val || len != 4)
 			goto no_msi;
 		pbm->msi_num = *val;
 
-		mrng = of_get_property(pbm->op->node, "msi-ranges", &len);
+		mrng = of_get_property(pbm->op->dev.of_node, "msi-ranges", &len);
 		if (!mrng || len != sizeof(struct msi_range_prop))
 			goto no_msi;
 		pbm->msi_first = mrng->first_msi;
 
-		val = of_get_property(pbm->op->node, "msi-data-mask", &len);
+		val = of_get_property(pbm->op->dev.of_node, "msi-data-mask", &len);
 		if (!val || len != 4)
 			goto no_msi;
 		pbm->msi_data_mask = *val;
 
-		val = of_get_property(pbm->op->node, "msix-data-width", &len);
+		val = of_get_property(pbm->op->dev.of_node, "msix-data-width", &len);
 		if (!val || len != 4)
 			goto no_msi;
 		pbm->msix_data_width = *val;
 
-		arng = of_get_property(pbm->op->node, "msi-address-ranges",
+		arng = of_get_property(pbm->op->dev.of_node, "msi-address-ranges",
 				       &len);
 		if (!arng || len != sizeof(struct addr_range_prop))
 			goto no_msi;
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index 142b9d6984a..e675e21c6df 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -285,7 +285,7 @@ static irqreturn_t psycho_ce_intr(int irq, void *dev_id)
 #define  PSYCHO_ECCCTRL_CE	 0x2000000000000000UL /* Enable CE INterrupts */
 static void psycho_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct of_device *op = of_find_device_by_node(pbm->op->node);
+	struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
 	unsigned long base = pbm->controller_regs;
 	u64 tmp;
 	int err;
@@ -507,7 +507,7 @@ static int __devinit psycho_probe(struct of_device *op,
 				  const struct of_device_id *match)
 {
 	const struct linux_prom64_registers *pr_regs;
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct pci_pbm_info *pbm;
 	struct iommu *iommu;
 	int is_pbm_a, err;
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index ba6fbeba3e2..5048498daad 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -310,7 +310,7 @@ static irqreturn_t sabre_ce_intr(int irq, void *dev_id)
 
 static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct device_node *dp = pbm->op->node;
+	struct device_node *dp = pbm->op->dev.of_node;
 	struct of_device *op;
 	unsigned long base = pbm->controller_regs;
 	u64 tmp;
@@ -456,7 +456,7 @@ static int __devinit sabre_probe(struct of_device *op,
 				 const struct of_device_id *match)
 {
 	const struct linux_prom64_registers *pr_regs;
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct pci_pbm_info *pbm;
 	u32 upa_portid, dma_mask;
 	struct iommu *iommu;
diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c
index 2b5cdde77af..2f3f9212b06 100644
--- a/arch/sparc/kernel/pci_schizo.c
+++ b/arch/sparc/kernel/pci_schizo.c
@@ -844,7 +844,7 @@ static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino)
  */
 static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct of_device *op = of_find_device_by_node(pbm->op->node);
+	struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
 	u64 tmp, err_mask, err_no_mask;
 	int err;
 
@@ -939,7 +939,7 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
 
 static void schizo_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct of_device *op = of_find_device_by_node(pbm->op->node);
+	struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
 	u64 tmp, err_mask, err_no_mask;
 	int err;
 
@@ -1068,7 +1068,7 @@ static void __devinit schizo_scan_bus(struct pci_pbm_info *pbm,
 {
 	pbm_config_busmastering(pbm);
 	pbm->is_66mhz_capable =
-		(of_find_property(pbm->op->node, "66mhz-capable", NULL)
+		(of_find_property(pbm->op->dev.of_node, "66mhz-capable", NULL)
 		 != NULL);
 
 	pbm->pci_bus = pci_scan_one_pbm(pbm, parent);
@@ -1138,7 +1138,7 @@ static int schizo_pbm_iommu_init(struct pci_pbm_info *pbm)
 	u32 dma_mask;
 	u64 control;
 
-	vdma = of_get_property(pbm->op->node, "virtual-dma", NULL);
+	vdma = of_get_property(pbm->op->dev.of_node, "virtual-dma", NULL);
 	if (!vdma)
 		vdma = vdma_default;
 
@@ -1268,7 +1268,7 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm)
 	    pbm->chip_version >= 0x2)
 		tmp |= 0x3UL << SCHIZO_PCICTRL_PTO_SHIFT;
 
-	if (!of_find_property(pbm->op->node, "no-bus-parking", NULL))
+	if (!of_find_property(pbm->op->dev.of_node, "no-bus-parking", NULL))
 		tmp |= SCHIZO_PCICTRL_PARK;
 	else
 		tmp &= ~SCHIZO_PCICTRL_PARK;
@@ -1311,7 +1311,7 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm,
 				     int chip_type)
 {
 	const struct linux_prom64_registers *regs;
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	const char *chipset_name;
 	int is_pbm_a, err;
 
@@ -1415,7 +1415,7 @@ static struct pci_pbm_info * __devinit schizo_find_sibling(u32 portid,
 
 static int __devinit __schizo_init(struct of_device *op, unsigned long chip_type)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct pci_pbm_info *pbm;
 	struct iommu *iommu;
 	u32 portid;
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 23c33ff9c31..5c11f56cedf 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -540,7 +540,7 @@ static void __devinit pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
 	struct property *prop;
 	struct device_node *dp;
 
-	dp = pbm->op->node;
+	dp = pbm->op->dev.of_node;
 	prop = of_find_property(dp, "66mhz-capable", NULL);
 	pbm->is_66mhz_capable = (prop != NULL);
 	pbm->pci_bus = pci_scan_one_pbm(pbm, parent);
@@ -584,7 +584,7 @@ static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
 	u32 dma_mask, dma_offset;
 	const u32 *vdma;
 
-	vdma = of_get_property(pbm->op->node, "virtual-dma", NULL);
+	vdma = of_get_property(pbm->op->dev.of_node, "virtual-dma", NULL);
 	if (!vdma)
 		vdma = vdma_default;
 
@@ -881,7 +881,7 @@ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
 static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
 					struct of_device *op, u32 devhandle)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	int err;
 
 	pbm->numa_node = of_node_to_nid(dp);
@@ -929,7 +929,7 @@ static int __devinit pci_sun4v_probe(struct of_device *op,
 	u32 devhandle;
 	int i, err;
 
-	dp = op->node;
+	dp = op->dev.of_node;
 
 	if (!hvapi_negotiated++) {
 		err = sun4v_hvapi_register(HV_GRP_PCI,
diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c
index e2a045c235a..e3f806a7423 100644
--- a/arch/sparc/kernel/power.c
+++ b/arch/sparc/kernel/power.c
@@ -41,9 +41,9 @@ static int __devinit power_probe(struct of_device *op, const struct of_device_id
 	power_reg = of_ioremap(res, 0, 0x4, "power");
 
 	printk(KERN_INFO "%s: Control reg at %llx\n",
-	       op->node->name, res->start);
+	       op->dev.of_node->name, res->start);
 
-	if (has_button_interrupt(irq, op->node)) {
+	if (has_button_interrupt(irq, op->dev.of_node)) {
 		if (request_irq(irq,
 				power_handler, 0, "power", NULL) < 0)
 			printk(KERN_ERR "power: Cannot setup IRQ handler.\n");
diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c
index 8f147847542..3f34ac85393 100644
--- a/arch/sparc/kernel/psycho_common.c
+++ b/arch/sparc/kernel/psycho_common.c
@@ -450,7 +450,7 @@ int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
 void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct of_device *op,
 			    const char *chip_name, int chip_type)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 
 	pbm->name = dp->full_name;
 	pbm->numa_node = -1;
diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c
index 406e0872504..cfeaf04b9cd 100644
--- a/arch/sparc/kernel/sbus.c
+++ b/arch/sparc/kernel/sbus.c
@@ -63,10 +63,10 @@ void sbus_set_sbus64(struct device *dev, int bursts)
 	int slot;
 	u64 val;
 
-	regs = of_get_property(op->node, "reg", NULL);
+	regs = of_get_property(op->dev.of_node, "reg", NULL);
 	if (!regs) {
 		printk(KERN_ERR "sbus_set_sbus64: Cannot find regs for %s\n",
-		       op->node->full_name);
+		       op->dev.of_node->full_name);
 		return;
 	}
 	slot = regs->which_io;
@@ -287,7 +287,7 @@ static irqreturn_t sysio_ue_handler(int irq, void *dev_id)
 		 SYSIO_UEAFSR_SPIO | SYSIO_UEAFSR_SDRD | SYSIO_UEAFSR_SDWR);
 	upa_writeq(error_bits, afsr_reg);
 
-	portid = of_getintprop_default(op->node, "portid", -1);
+	portid = of_getintprop_default(op->dev.of_node, "portid", -1);
 
 	/* Log the error. */
 	printk("SYSIO[%x]: Uncorrectable ECC Error, primary error type[%s]\n",
@@ -361,7 +361,7 @@ static irqreturn_t sysio_ce_handler(int irq, void *dev_id)
 		 SYSIO_CEAFSR_SPIO | SYSIO_CEAFSR_SDRD | SYSIO_CEAFSR_SDWR);
 	upa_writeq(error_bits, afsr_reg);
 
-	portid = of_getintprop_default(op->node, "portid", -1);
+	portid = of_getintprop_default(op->dev.of_node, "portid", -1);
 
 	printk("SYSIO[%x]: Correctable ECC Error, primary error type[%s]\n",
 	       portid,
@@ -439,7 +439,7 @@ static irqreturn_t sysio_sbus_error_handler(int irq, void *dev_id)
 		 SYSIO_SBAFSR_SLE | SYSIO_SBAFSR_STO | SYSIO_SBAFSR_SBERR);
 	upa_writeq(error_bits, afsr_reg);
 
-	portid = of_getintprop_default(op->node, "portid", -1);
+	portid = of_getintprop_default(op->dev.of_node, "portid", -1);
 
 	/* Log the error. */
 	printk("SYSIO[%x]: SBUS Error, primary error type[%s] read(%d)\n",
@@ -496,7 +496,7 @@ static void __init sysio_register_error_handlers(struct of_device *op)
 	u64 control;
 	int portid;
 
-	portid = of_getintprop_default(op->node, "portid", -1);
+	portid = of_getintprop_default(op->dev.of_node, "portid", -1);
 
 	irq = sbus_build_irq(op, SYSIO_UE_INO);
 	if (request_irq(irq, sysio_ue_handler, 0,
@@ -537,7 +537,7 @@ static void __init sysio_register_error_handlers(struct of_device *op)
 static void __init sbus_iommu_init(struct of_device *op)
 {
 	const struct linux_prom64_registers *pr;
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct iommu *iommu;
 	struct strbuf *strbuf;
 	unsigned long regs, reg_base;
@@ -589,7 +589,7 @@ static void __init sbus_iommu_init(struct of_device *op)
 	 */
 	iommu->write_complete_reg = regs + 0x2000UL;
 
-	portid = of_getintprop_default(op->node, "portid", -1);
+	portid = of_getintprop_default(op->dev.of_node, "portid", -1);
 	printk(KERN_INFO "SYSIO: UPA portID %x, at %016lx\n",
 	       portid, regs);
 
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 0d4c09b15ef..e0dbed9503d 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -152,7 +152,7 @@ static struct platform_device m48t59_rtc = {
 
 static int __devinit clock_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	const char *model = of_get_property(dp, "model", NULL);
 
 	if (!model)
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index c7bbe6cf7b8..9099ca09564 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -424,7 +424,7 @@ static int __devinit rtc_probe(struct of_device *op, const struct of_device_id *
 	struct resource *r;
 
 	printk(KERN_INFO "%s: RTC regs at 0x%llx\n",
-	       op->node->full_name, op->resource[0].start);
+	       op->dev.of_node->full_name, op->resource[0].start);
 
 	/* The CMOS RTC driver only accepts IORESOURCE_IO, so cons
 	 * up a fake resource so that the probe works for all cases.
@@ -480,7 +480,7 @@ static int __devinit bq4802_probe(struct of_device *op, const struct of_device_i
 {
 
 	printk(KERN_INFO "%s: BQ4802 regs at 0x%llx\n",
-	       op->node->full_name, op->resource[0].start);
+	       op->dev.of_node->full_name, op->resource[0].start);
 
 	rtc_bq4802_device.resource = &op->resource[0];
 	return platform_device_register(&rtc_bq4802_device);
@@ -534,7 +534,7 @@ static struct platform_device m48t59_rtc = {
 
 static int __devinit mostek_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 
 	/* On an Enterprise system there can be multiple mostek clocks.
 	 * We should only match the one that is on the central FHC bus.
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 211b6438b3a..c74f13bc987 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -1139,7 +1139,7 @@ static int __devinit pata_macio_attach(struct macio_dev *mdev,
 			"Failed to allocate private memory\n");
 		return -ENOMEM;
 	}
-	priv->node = of_node_get(mdev->ofdev.node);
+	priv->node = of_node_get(mdev->ofdev.dev.of_node);
 	priv->mdev = mdev;
 	priv->dev = &mdev->ofdev.dev;
 
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 9f5b053611d..4cce719add3 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -694,7 +694,7 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match)
 	struct bcom_task *dmatsk = NULL;
 
 	/* Get ipb frequency */
-	ipb_freq = mpc5xxx_get_bus_frequency(op->node);
+	ipb_freq = mpc5xxx_get_bus_frequency(op->dev.of_node);
 	if (!ipb_freq) {
 		dev_err(&op->dev, "could not determine IPB bus frequency\n");
 		return -ENODEV;
@@ -702,7 +702,7 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match)
 
 	/* Get device base address from device tree, request the region
 	 * and ioremap it. */
-	rv = of_address_to_resource(op->node, 0, &res_mem);
+	rv = of_address_to_resource(op->dev.of_node, 0, &res_mem);
 	if (rv) {
 		dev_err(&op->dev, "could not determine device base address\n");
 		return rv;
@@ -735,14 +735,14 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match)
 	 * The MPC5200 ATA controller supports MWDMA modes 0, 1 and 2 and
 	 * UDMA modes 0, 1 and 2.
 	 */
-	prop = of_get_property(op->node, "mwdma-mode", &proplen);
+	prop = of_get_property(op->dev.of_node, "mwdma-mode", &proplen);
 	if ((prop) && (proplen >= 4))
 		mwdma_mask = ATA_MWDMA2 & ((1 << (*prop + 1)) - 1);
-	prop = of_get_property(op->node, "udma-mode", &proplen);
+	prop = of_get_property(op->dev.of_node, "udma-mode", &proplen);
 	if ((prop) && (proplen >= 4))
 		udma_mask = ATA_UDMA2 & ((1 << (*prop + 1)) - 1);
 
-	ata_irq = irq_of_parse_and_map(op->node, 0);
+	ata_irq = irq_of_parse_and_map(op->dev.of_node, 0);
 	if (ata_irq == NO_IRQ) {
 		dev_err(&op->dev, "error mapping irq\n");
 		return -EINVAL;
diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c
index 1f18ad9e4fe..19da29f011d 100644
--- a/drivers/ata/pata_of_platform.c
+++ b/drivers/ata/pata_of_platform.c
@@ -18,7 +18,7 @@ static int __devinit pata_of_platform_probe(struct of_device *ofdev,
 					    const struct of_device_id *match)
 {
 	int ret;
-	struct device_node *dn = ofdev->node;
+	struct device_node *dn = ofdev->dev.of_node;
 	struct resource io_res;
 	struct resource ctl_res;
 	struct resource irq_res;
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index a69192b38b4..e3339e25b15 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1313,7 +1313,7 @@ static int sata_fsl_probe(struct of_device *ofdev,
 	dev_printk(KERN_INFO, &ofdev->dev,
 		   "Sata FSL Platform/CSB Driver init\n");
 
-	hcr_base = of_iomap(ofdev->node, 0);
+	hcr_base = of_iomap(ofdev->dev.of_node, 0);
 	if (!hcr_base)
 		goto error_exit_with_cleanup;
 
@@ -1332,7 +1332,7 @@ static int sata_fsl_probe(struct of_device *ofdev,
 	host_priv->ssr_base = ssr_base;
 	host_priv->csr_base = csr_base;
 
-	irq = irq_of_parse_and_map(ofdev->node, 0);
+	irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
 	if (irq < 0) {
 		dev_printk(KERN_ERR, &ofdev->dev, "invalid irq from platform\n");
 		goto error_exit_with_cleanup;
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index f7d6ebaa041..593a03a376e 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -789,7 +789,7 @@ static int __init fore200e_sba_map(struct fore200e *fore200e)
 	fore200e->bus->write(0x02, fore200e->regs.sba.isr); /* XXX hardwired interrupt level */
 
 	/* get the supported DVMA burst sizes */
-	bursts = of_getintprop_default(op->node->parent, "burst-sizes", 0x00);
+	bursts = of_getintprop_default(op->dev.of_node->parent, "burst-sizes", 0x00);
 
 	if (sbus_can_dma_64bit())
 		sbus_set_sbus64(&op->dev, bursts);
@@ -820,18 +820,20 @@ static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_
 	const u8 *prop;
 	int len;
 
-	prop = of_get_property(op->node, "madaddrlo2", &len);
+	prop = of_get_property(op->dev.of_node, "madaddrlo2", &len);
 	if (!prop)
 		return -ENODEV;
 	memcpy(&prom->mac_addr[4], prop, 4);
 
-	prop = of_get_property(op->node, "madaddrhi4", &len);
+	prop = of_get_property(op->dev.of_node, "madaddrhi4", &len);
 	if (!prop)
 		return -ENODEV;
 	memcpy(&prom->mac_addr[2], prop, 4);
 
-	prom->serial_number = of_getintprop_default(op->node, "serialnumber", 0);
-	prom->hw_revision = of_getintprop_default(op->node, "promversion", 0);
+	prom->serial_number = of_getintprop_default(op->dev.of_node,
+						    "serialnumber", 0);
+	prom->hw_revision = of_getintprop_default(op->dev.of_node,
+						  "promversion", 0);
     
 	return 0;
 }
@@ -841,10 +843,10 @@ static int fore200e_sba_proc_read(struct fore200e *fore200e, char *page)
 	struct of_device *op = fore200e->bus_dev;
 	const struct linux_prom_registers *regs;
 
-	regs = of_get_property(op->node, "reg", NULL);
+	regs = of_get_property(op->dev.of_node, "reg", NULL);
 
 	return sprintf(page, "   SBUS slot/device:\t\t%d/'%s'\n",
-		       (regs ? regs->which_io : 0), op->node->name);
+		       (regs ? regs->which_io : 0), op->dev.of_node->name);
 }
 #endif /* CONFIG_SBUS */
 
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 59ca2b77b57..52f2d11bc7b 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -1004,7 +1004,7 @@ static const struct block_device_operations floppy_fops = {
 
 static int swim3_add_device(struct macio_dev *mdev, int index)
 {
-	struct device_node *swim = mdev->ofdev.node;
+	struct device_node *swim = mdev->ofdev.dev.of_node;
 	struct floppy_state *fs = &floppy_states[index];
 	int rc = -EBUSY;
 
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index e1c95e208a6..3094909b061 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -1198,10 +1198,10 @@ ace_of_probe(struct of_device *op, const struct of_device_id *match)
 	dev_dbg(&op->dev, "ace_of_probe(%p, %p)\n", op, match);
 
 	/* device id */
-	id = of_get_property(op->node, "port-number", NULL);
+	id = of_get_property(op->dev.of_node, "port-number", NULL);
 
 	/* physaddr */
-	rc = of_address_to_resource(op->node, 0, &res);
+	rc = of_address_to_resource(op->dev.of_node, 0, &res);
 	if (rc) {
 		dev_err(&op->dev, "invalid address\n");
 		return rc;
@@ -1209,11 +1209,11 @@ ace_of_probe(struct of_device *op, const struct of_device_id *match)
 	physaddr = res.start;
 
 	/* irq */
-	irq = irq_of_parse_and_map(op->node, 0);
+	irq = irq_of_parse_and_map(op->dev.of_node, 0);
 
 	/* bus width */
 	bus_width = ACE_BUS_WIDTH_16;
-	if (of_find_property(op->node, "8-bit", NULL))
+	if (of_find_property(op->dev.of_node, "8-bit", NULL))
 		bus_width = ACE_BUS_WIDTH_8;
 
 	/* Call the bus-independant setup code */
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index cc435be0bc1..451cd7071b1 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -567,7 +567,7 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 	struct disk_info *d;
 	struct cdrom_device_info *c;
 	struct request_queue *q;
-	struct device_node *node = vdev->dev.archdata.of_node;
+	struct device_node *node = vdev->dev.of_node;
 
 	deviceno = vdev->unit_address;
 	if (deviceno >= VIOCD_MAX_CD)
diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index 10f868eefaa..0861d99cd75 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -660,7 +660,7 @@ static int __devinit n2rng_probe(struct of_device *op,
 				np->hvapi_major);
 			goto out_hvapi_unregister;
 		}
-		np->num_units = of_getintprop_default(op->node,
+		np->num_units = of_getintprop_default(op->dev.of_node,
 						      "rng-#units", 0);
 		if (!np->num_units) {
 			dev_err(&op->dev, "VF RNG lacks rng-#units property\n");
diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c
index 7fa61dd1d9d..b213855bae6 100644
--- a/drivers/char/hw_random/pasemi-rng.c
+++ b/drivers/char/hw_random/pasemi-rng.c
@@ -98,7 +98,7 @@ static int __devinit rng_probe(struct of_device *ofdev,
 			       const struct of_device_id *match)
 {
 	void __iomem *rng_regs;
-	struct device_node *rng_np = ofdev->node;
+	struct device_node *rng_np = ofdev->dev.of_node;
 	struct resource res;
 	int err = 0;
 
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 4462b113ba3..2b44a0e1b98 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2469,7 +2469,7 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 	struct smi_info *info;
 	struct resource resource;
 	const int *regsize, *regspacing, *regshift;
-	struct device_node *np = dev->node;
+	struct device_node *np = dev->dev.of_node;
 	int ret;
 	int proplen;
 
@@ -2525,7 +2525,7 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 	info->io.regspacing	= regspacing ? *regspacing : DEFAULT_REGSPACING;
 	info->io.regshift	= regshift ? *regshift : 0;
 
-	info->irq		= irq_of_parse_and_map(dev->node, 0);
+	info->irq		= irq_of_parse_and_map(dev->dev.of_node, 0);
 	info->dev		= &dev->dev;
 
 	dev_dbg(&dev->dev, "addr 0x%lx regsize %d spacing %d irq %x\n",
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 1144a04cda6..42f7fa442ff 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -866,7 +866,7 @@ static int viotape_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 {
 	int i = vdev->unit_address;
 	int j;
-	struct device_node *node = vdev->dev.archdata.of_node;
+	struct device_node *node = vdev->dev.of_node;
 
 	if (i >= VIOTAPE_MAX_TAPE)
 		return -ENODEV;
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 7261b8d9087..5a0a31e2029 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -772,18 +772,18 @@ hwicap_of_probe(struct of_device *op, const struct of_device_id *match)
 
 	dev_dbg(&op->dev, "hwicap_of_probe(%p, %p)\n", op, match);
 
-	rc = of_address_to_resource(op->node, 0, &res);
+	rc = of_address_to_resource(op->dev.of_node, 0, &res);
 	if (rc) {
 		dev_err(&op->dev, "invalid address\n");
 		return rc;
 	}
 
-	id = of_get_property(op->node, "port-number", NULL);
+	id = of_get_property(op->dev.of_node, "port-number", NULL);
 
 	/* It's most likely that we're using V4, if the family is not
 	   specified */
 	regs = &v4_config_registers;
-	family = of_get_property(op->node, "xlnx,family", NULL);
+	family = of_get_property(op->dev.of_node, "xlnx,family", NULL);
 
 	if (family) {
 		if (!strcmp(family, "virtex2p")) {
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index dc558a09731..5a02f3482db 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1807,7 +1807,7 @@ static int talitos_probe(struct of_device *ofdev,
 			 const struct of_device_id *match)
 {
 	struct device *dev = &ofdev->dev;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct talitos_private *priv;
 	const unsigned int *prop;
 	int i, err;
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 88f470f0d82..0e376eb3741 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1313,7 +1313,7 @@ static int __devinit fsldma_of_probe(struct of_device *op,
 	INIT_LIST_HEAD(&fdev->common.channels);
 
 	/* ioremap the registers for use */
-	fdev->regs = of_iomap(op->node, 0);
+	fdev->regs = of_iomap(op->dev.of_node, 0);
 	if (!fdev->regs) {
 		dev_err(&op->dev, "unable to ioremap registers\n");
 		err = -ENOMEM;
@@ -1321,7 +1321,7 @@ static int __devinit fsldma_of_probe(struct of_device *op,
 	}
 
 	/* map the channel IRQ if it exists, but don't hookup the handler yet */
-	fdev->irq = irq_of_parse_and_map(op->node, 0);
+	fdev->irq = irq_of_parse_and_map(op->dev.of_node, 0);
 
 	dma_cap_set(DMA_MEMCPY, fdev->common.cap_mask);
 	dma_cap_set(DMA_INTERRUPT, fdev->common.cap_mask);
@@ -1343,7 +1343,7 @@ static int __devinit fsldma_of_probe(struct of_device *op,
 	 * of_platform_bus_remove(). Instead, we manually instantiate every DMA
 	 * channel object.
 	 */
-	for_each_child_of_node(op->node, child) {
+	for_each_child_of_node(op->dev.of_node, child) {
 		if (of_device_is_compatible(child, "fsl,eloplus-dma-channel")) {
 			fsl_dma_chan_probe(fdev, child,
 				FSL_DMA_IP_85XX | FSL_DMA_BIG_ENDIAN,
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 7d521e1d17e..1db114b0999 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -437,7 +437,7 @@ pca953x_get_alt_pdata(struct i2c_client *client)
 	struct device_node *node;
 	const uint16_t *val;
 
-	node = dev_archdata_get_node(&client->dev.archdata);
+	node = client->dev.of_node;
 	if (node == NULL)
 		return NULL;
 
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 9c2e10082b7..48d2c1a0d4c 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -440,7 +440,7 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)
 
 	init_waitqueue_head(&cpm->i2c_wait);
 
-	cpm->irq = of_irq_to_resource(ofdev->node, 0, NULL);
+	cpm->irq = of_irq_to_resource(ofdev->dev.of_node, 0, NULL);
 	if (cpm->irq == NO_IRQ)
 		return -EINVAL;
 
@@ -451,13 +451,13 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)
 		return ret;
 
 	/* I2C parameter RAM */
-	i2c_base = of_iomap(ofdev->node, 1);
+	i2c_base = of_iomap(ofdev->dev.of_node, 1);
 	if (i2c_base == NULL) {
 		ret = -EINVAL;
 		goto out_irq;
 	}
 
-	if (of_device_is_compatible(ofdev->node, "fsl,cpm1-i2c")) {
+	if (of_device_is_compatible(ofdev->dev.of_node, "fsl,cpm1-i2c")) {
 
 		/* Check for and use a microcode relocation patch. */
 		cpm->i2c_ram = i2c_base;
@@ -474,7 +474,7 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)
 
 		cpm->version = 1;
 
-	} else if (of_device_is_compatible(ofdev->node, "fsl,cpm2-i2c")) {
+	} else if (of_device_is_compatible(ofdev->dev.of_node, "fsl,cpm2-i2c")) {
 		cpm->i2c_addr = cpm_muram_alloc(sizeof(struct i2c_ram), 64);
 		cpm->i2c_ram = cpm_muram_addr(cpm->i2c_addr);
 		out_be16(i2c_base, cpm->i2c_addr);
@@ -489,24 +489,24 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)
 	}
 
 	/* I2C control/status registers */
-	cpm->i2c_reg = of_iomap(ofdev->node, 0);
+	cpm->i2c_reg = of_iomap(ofdev->dev.of_node, 0);
 	if (cpm->i2c_reg == NULL) {
 		ret = -EINVAL;
 		goto out_ram;
 	}
 
-	data = of_get_property(ofdev->node, "fsl,cpm-command", &len);
+	data = of_get_property(ofdev->dev.of_node, "fsl,cpm-command", &len);
 	if (!data || len != 4) {
 		ret = -EINVAL;
 		goto out_reg;
 	}
 	cpm->cp_command = *data;
 
-	data = of_get_property(ofdev->node, "linux,i2c-class", &len);
+	data = of_get_property(ofdev->dev.of_node, "linux,i2c-class", &len);
 	if (data && len == 4)
 		cpm->adap.class = *data;
 
-	data = of_get_property(ofdev->node, "clock-frequency", &len);
+	data = of_get_property(ofdev->dev.of_node, "clock-frequency", &len);
 	if (data && len == 4)
 		cpm->freq = *data;
 	else
@@ -661,7 +661,7 @@ static int __devinit cpm_i2c_probe(struct of_device *ofdev,
 
 	/* register new adapter to i2c module... */
 
-	data = of_get_property(ofdev->node, "linux,i2c-index", &len);
+	data = of_get_property(ofdev->dev.of_node, "linux,i2c-index", &len);
 	if (data && len == 4) {
 		cpm->adap.nr = *data;
 		result = i2c_add_numbered_adapter(&cpm->adap);
@@ -679,7 +679,7 @@ static int __devinit cpm_i2c_probe(struct of_device *ofdev,
 	/*
 	 * register OF I2C devices
 	 */
-	of_register_i2c_devices(&cpm->adap, ofdev->node);
+	of_register_i2c_devices(&cpm->adap, ofdev->dev.of_node);
 
 	return 0;
 out_shut:
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index b1bc6e277d2..e66dc83953c 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -664,7 +664,7 @@ static inline u8 iic_clckdiv(unsigned int opb)
 static int __devinit iic_request_irq(struct of_device *ofdev,
 				     struct ibm_iic_private *dev)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	int irq;
 
 	if (iic_force_poll)
@@ -695,7 +695,7 @@ static int __devinit iic_request_irq(struct of_device *ofdev,
 static int __devinit iic_probe(struct of_device *ofdev,
 			       const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct ibm_iic_private *dev;
 	struct i2c_adapter *adap;
 	const u32 *freq;
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index f1321f76378..69473b6c260 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -560,14 +560,14 @@ static int __devinit fsl_i2c_probe(struct of_device *op,
 
 	init_waitqueue_head(&i2c->queue);
 
-	i2c->base = of_iomap(op->node, 0);
+	i2c->base = of_iomap(op->dev.of_node, 0);
 	if (!i2c->base) {
 		dev_err(i2c->dev, "failed to map controller\n");
 		result = -ENOMEM;
 		goto fail_map;
 	}
 
-	i2c->irq = irq_of_parse_and_map(op->node, 0);
+	i2c->irq = irq_of_parse_and_map(op->dev.of_node, 0);
 	if (i2c->irq != NO_IRQ) { /* i2c->irq = NO_IRQ implies polling */
 		result = request_irq(i2c->irq, mpc_i2c_isr,
 				     IRQF_SHARED, "i2c-mpc", i2c);
@@ -577,21 +577,22 @@ static int __devinit fsl_i2c_probe(struct of_device *op,
 		}
 	}
 
-	if (of_get_property(op->node, "fsl,preserve-clocking", NULL)) {
+	if (of_get_property(op->dev.of_node, "fsl,preserve-clocking", NULL)) {
 		clock = MPC_I2C_CLOCK_PRESERVE;
 	} else {
-		prop = of_get_property(op->node, "clock-frequency", &plen);
+		prop = of_get_property(op->dev.of_node, "clock-frequency",
+					&plen);
 		if (prop && plen == sizeof(u32))
 			clock = *prop;
 	}
 
 	if (match->data) {
 		struct mpc_i2c_data *data = match->data;
-		data->setup(op->node, i2c, clock, data->prescaler);
+		data->setup(op->dev.of_node, i2c, clock, data->prescaler);
 	} else {
 		/* Backwards compatibility */
-		if (of_get_property(op->node, "dfsrr", NULL))
-			mpc_i2c_setup_8xxx(op->node, i2c, clock, 0);
+		if (of_get_property(op->dev.of_node, "dfsrr", NULL))
+			mpc_i2c_setup_8xxx(op->dev.of_node, i2c, clock, 0);
 	}
 
 	dev_set_drvdata(&op->dev, i2c);
@@ -605,7 +606,7 @@ static int __devinit fsl_i2c_probe(struct of_device *op,
 		dev_err(i2c->dev, "failed to add adapter\n");
 		goto fail_add;
 	}
-	of_register_i2c_devices(&i2c->adap, op->node);
+	of_register_i2c_devices(&i2c->adap, op->dev.of_node);
 
 	return result;
 
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 159955d16c4..183fa38760d 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1153,7 +1153,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
 
 	if (macio_resource_count(mdev) == 0) {
 		printk(KERN_WARNING "ide-pmac: no address for %s\n",
-				    mdev->ofdev.node->full_name);
+				    mdev->ofdev.dev.of_node->full_name);
 		rc = -ENXIO;
 		goto out_free_pmif;
 	}
@@ -1161,7 +1161,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
 	/* Request memory resource for IO ports */
 	if (macio_request_resource(mdev, 0, "ide-pmac (ports)")) {
 		printk(KERN_ERR "ide-pmac: can't request MMIO resource for "
-				"%s!\n", mdev->ofdev.node->full_name);
+				"%s!\n", mdev->ofdev.dev.of_node->full_name);
 		rc = -EBUSY;
 		goto out_free_pmif;
 	}
@@ -1173,7 +1173,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
 	 */
 	if (macio_irq_count(mdev) == 0) {
 		printk(KERN_WARNING "ide-pmac: no intrs for device %s, using "
-				    "13\n", mdev->ofdev.node->full_name);
+				    "13\n", mdev->ofdev.dev.of_node->full_name);
 		irq = irq_create_mapping(NULL, 13);
 	} else
 		irq = macio_irq(mdev, 0);
@@ -1182,7 +1182,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
 	regbase = (unsigned long) base;
 
 	pmif->mdev = mdev;
-	pmif->node = mdev->ofdev.node;
+	pmif->node = mdev->ofdev.dev.of_node;
 	pmif->regbase = regbase;
 	pmif->irq = irq;
 	pmif->kauai_fcr = NULL;
@@ -1191,7 +1191,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
 		if (macio_request_resource(mdev, 1, "ide-pmac (dma)"))
 			printk(KERN_WARNING "ide-pmac: can't request DMA "
 					    "resource for %s!\n",
-					    mdev->ofdev.node->full_name);
+					    mdev->ofdev.dev.of_node->full_name);
 		else
 			pmif->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x1000);
 	} else
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 129a6bebd6e..26391853277 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -291,8 +291,9 @@ static int ehca_sense_attributes(struct ehca_shca *shca)
 	};
 
 	ehca_gen_dbg("Probing adapter %s...",
-		     shca->ofdev->node->full_name);
-	loc_code = of_get_property(shca->ofdev->node, "ibm,loc-code", NULL);
+		     shca->ofdev->dev.of_node->full_name);
+	loc_code = of_get_property(shca->ofdev->dev.of_node, "ibm,loc-code",
+				   NULL);
 	if (loc_code)
 		ehca_gen_dbg(" ... location lode=%s", loc_code);
 
@@ -720,16 +721,16 @@ static int __devinit ehca_probe(struct of_device *dev,
 	int ret, i, eq_size;
 	unsigned long flags;
 
-	handle = of_get_property(dev->node, "ibm,hca-handle", NULL);
+	handle = of_get_property(dev->dev.of_node, "ibm,hca-handle", NULL);
 	if (!handle) {
 		ehca_gen_err("Cannot get eHCA handle for adapter: %s.",
-			     dev->node->full_name);
+			     dev->dev.of_node->full_name);
 		return -ENODEV;
 	}
 
 	if (!(*handle)) {
 		ehca_gen_err("Wrong eHCA handle for adapter: %s.",
-			     dev->node->full_name);
+			     dev->dev.of_node->full_name);
 		return -ENODEV;
 	}
 
diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
index 5071af2c060..29e17698b2a 100644
--- a/drivers/input/serio/i8042-sparcio.h
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -51,7 +51,7 @@ static inline void i8042_write_command(int val)
 
 static int __devinit sparc_i8042_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 
 	dp = dp->child;
 	while (dp) {
diff --git a/drivers/input/serio/xilinx_ps2.c b/drivers/input/serio/xilinx_ps2.c
index f84f8e32e3f..7a288c0ef1a 100644
--- a/drivers/input/serio/xilinx_ps2.c
+++ b/drivers/input/serio/xilinx_ps2.c
@@ -244,17 +244,17 @@ static int __devinit xps2_of_probe(struct of_device *ofdev,
 	int error;
 
 	dev_info(dev, "Device Tree Probing \'%s\'\n",
-			ofdev->node->name);
+			ofdev->dev.of_node->name);
 
 	/* Get iospace for the device */
-	error = of_address_to_resource(ofdev->node, 0, &r_mem);
+	error = of_address_to_resource(ofdev->dev.of_node, 0, &r_mem);
 	if (error) {
 		dev_err(dev, "invalid address\n");
 		return error;
 	}
 
 	/* Get IRQ for the device */
-	if (of_irq_to_resource(ofdev->node, 0, &r_irq) == NO_IRQ) {
+	if (of_irq_to_resource(ofdev->dev.of_node, 0, &r_irq) == NO_IRQ) {
 		dev_err(dev, "no IRQ found\n");
 		return -ENODEV;
 	}
@@ -342,7 +342,7 @@ static int __devexit xps2_of_remove(struct of_device *of_dev)
 	iounmap(drvdata->base_address);
 
 	/* Get iospace of the device */
-	if (of_address_to_resource(of_dev->node, 0, &r_mem))
+	if (of_address_to_resource(of_dev->dev.of_node, 0, &r_mem))
 		dev_err(dev, "invalid address\n");
 	else
 		release_mem_region(r_mem.start, resource_size(&r_mem));
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index c6e4b772b75..a77a23e783d 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -211,7 +211,7 @@ struct gpio_led_of_platform_data {
 static int __devinit of_gpio_leds_probe(struct of_device *ofdev,
 					const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node, *child;
+	struct device_node *np = ofdev->dev.of_node, *child;
 	struct gpio_led_of_platform_data *pdata;
 	int count = 0, ret;
 
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 26a303a1d1a..67fe13ffe90 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -248,7 +248,7 @@ static void macio_create_fixup_irq(struct macio_dev *dev, int index,
 
 static void macio_add_missing_resources(struct macio_dev *dev)
 {
-	struct device_node *np = dev->ofdev.node;
+	struct device_node *np = dev->ofdev.dev.of_node;
 	unsigned int irq_base;
 
 	/* Gatwick has some missing interrupts on child nodes */
@@ -289,7 +289,7 @@ static void macio_add_missing_resources(struct macio_dev *dev)
 
 static void macio_setup_interrupts(struct macio_dev *dev)
 {
-	struct device_node *np = dev->ofdev.node;
+	struct device_node *np = dev->ofdev.dev.of_node;
 	unsigned int irq;
 	int i = 0, j = 0;
 
@@ -317,7 +317,7 @@ static void macio_setup_interrupts(struct macio_dev *dev)
 static void macio_setup_resources(struct macio_dev *dev,
 				  struct resource *parent_res)
 {
-	struct device_node *np = dev->ofdev.node;
+	struct device_node *np = dev->ofdev.dev.of_node;
 	struct resource r;
 	int index;
 
@@ -373,7 +373,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
 
 	dev->bus = &chip->lbus;
 	dev->media_bay = in_bay;
-	dev->ofdev.node = np;
+	dev->ofdev.dev.of_node = np;
 	dev->ofdev.dma_mask = 0xffffffffUL;
 	dev->ofdev.dev.dma_mask = &dev->ofdev.dma_mask;
 	dev->ofdev.dev.parent = parent;
@@ -494,9 +494,9 @@ static void macio_pci_add_devices(struct macio_chip *chip)
 	}
 
 	/* Add media bay devices if any */
+	pnode = mbdev->ofdev.dev.of_node;
 	if (mbdev)
-		for (np = NULL; (np = of_get_next_child(mbdev->ofdev.node, np))
-			     != NULL;) {
+		for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) {
 			if (macio_skip_device(np))
 				continue;
 			of_node_get(np);
@@ -506,9 +506,9 @@ static void macio_pci_add_devices(struct macio_chip *chip)
 		}
 
 	/* Add serial ports if any */
+	pnode = sdev->ofdev.dev.of_node;
 	if (sdev) {
-		for (np = NULL; (np = of_get_next_child(sdev->ofdev.node, np))
-			     != NULL;) {
+		for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) {
 			if (macio_skip_device(np))
 				continue;
 			of_node_get(np);
diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c
index 9e9453b5842..6999ce59fd1 100644
--- a/drivers/macintosh/macio_sysfs.c
+++ b/drivers/macintosh/macio_sysfs.c
@@ -9,7 +9,7 @@ field##_show (struct device *dev, struct device_attribute *attr,	\
               char *buf)						\
 {									\
 	struct macio_dev *mdev = to_macio_device (dev);			\
-	return sprintf (buf, format_string, mdev->ofdev.node->field);	\
+	return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
 }
 
 static ssize_t
@@ -21,7 +21,7 @@ compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
 	int length = 0;
 
 	of = &to_macio_device (dev)->ofdev;
-	compat = of_get_property(of->node, "compatible", &cplen);
+	compat = of_get_property(of->dev.of_node, "compatible", &cplen);
 	if (!compat) {
 		*buf = '\0';
 		return 0;
@@ -58,7 +58,7 @@ static ssize_t devspec_show(struct device *dev,
 	struct of_device *ofdev;
 
 	ofdev = to_of_device(dev);
-	return sprintf(buf, "%s\n", ofdev->node->full_name);
+	return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name);
 }
 
 macio_config_of_attr (name, "%s\n");
diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c
index 08002b88f34..288acce76b7 100644
--- a/drivers/macintosh/mediabay.c
+++ b/drivers/macintosh/mediabay.c
@@ -564,7 +564,7 @@ static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_de
 	unsigned long base;
 	int i;
 
-	ofnode = mdev->ofdev.node;
+	ofnode = mdev->ofdev.dev.of_node;
 
 	if (macio_resource_count(mdev) < 1)
 		return -ENODEV;
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index 7c54d80c4fb..12946c5f583 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -375,7 +375,7 @@ static int __devinit rackmeter_probe(struct macio_dev* mdev,
 	pr_debug("rackmeter_probe()\n");
 
 	/* Get i2s-a node */
-	while ((i2s = of_get_next_child(mdev->ofdev.node, i2s)) != NULL)
+	while ((i2s = of_get_next_child(mdev->ofdev.dev.of_node, i2s)) != NULL)
 	       if (strcmp(i2s->name, "i2s-a") == 0)
 		       break;
 	if (i2s == NULL) {
@@ -431,7 +431,7 @@ static int __devinit rackmeter_probe(struct macio_dev* mdev,
 	    of_address_to_resource(i2s, 1, &rdma)) {
 		printk(KERN_ERR
 		       "rackmeter: found match but lacks resources: %s",
-		       mdev->ofdev.node->full_name);
+		       mdev->ofdev.dev.of_node->full_name);
 		rc = -ENXIO;
 		goto bail_free;
 	}
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index b18fa948f3d..9314be9a2fc 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -2215,7 +2215,7 @@ static int fcu_of_probe(struct of_device* dev, const struct of_device_id *match)
 	state = state_detached;
 
 	/* Lookup the fans in the device tree */
-	fcu_lookup_fans(dev->node);
+	fcu_lookup_fans(dev->dev.of_node);
 
 	/* Add the driver */
 	return i2c_add_driver(&therm_pm72_driver);
diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index bb6cc54b558..1247e5de9fa 100644
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -64,7 +64,7 @@ static int of_mmc_spi_get_ro(struct device *dev)
 struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
 {
 	struct device *dev = &spi->dev;
-	struct device_node *np = dev_archdata_get_node(&dev->archdata);
+	struct device_node *np = dev->of_node;
 	struct of_mmc_spi *oms;
 	const u32 *voltage_ranges;
 	int num_ranges;
@@ -135,7 +135,7 @@ EXPORT_SYMBOL(mmc_spi_get_pdata);
 void mmc_spi_put_pdata(struct spi_device *spi)
 {
 	struct device *dev = &spi->dev;
-	struct device_node *np = dev_archdata_get_node(&dev->archdata);
+	struct device_node *np = dev->of_node;
 	struct of_mmc_spi *oms = to_of_mmc_spi(dev);
 	int i;
 
diff --git a/drivers/mmc/host/sdhci-of-core.c b/drivers/mmc/host/sdhci-of-core.c
index 55e33135edb..dfe5ceae679 100644
--- a/drivers/mmc/host/sdhci-of-core.c
+++ b/drivers/mmc/host/sdhci-of-core.c
@@ -118,7 +118,7 @@ static bool __devinit sdhci_of_wp_inverted(struct device_node *np)
 static int __devinit sdhci_of_probe(struct of_device *ofdev,
 				 const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct sdhci_of_data *sdhci_of_data = match->data;
 	struct sdhci_host *host;
 	struct sdhci_of_host *of_host;
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 101ee6ead05..3dc7a2fbf02 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -143,7 +143,7 @@ static int of_flash_remove(struct of_device *dev)
 static struct mtd_info * __devinit obsolete_probe(struct of_device *dev,
 						  struct map_info *map)
 {
-	struct device_node *dp = dev->node;
+	struct device_node *dp = dev->dev.of_node;
 	const char *of_probe;
 	struct mtd_info *mtd;
 	static const char *rom_probe_types[]
@@ -180,7 +180,7 @@ static int __devinit of_flash_probe(struct of_device *dev,
 	static const char *part_probe_types[]
 		= { "cmdlinepart", "RedBoot", NULL };
 #endif
-	struct device_node *dp = dev->node;
+	struct device_node *dp = dev->dev.of_node;
 	struct resource res;
 	struct of_flash *info;
 	const char *probe_type = match->data;
@@ -204,7 +204,7 @@ static int __devinit of_flash_probe(struct of_device *dev,
 	p = of_get_property(dp, "reg", &count);
 	if (count % reg_tuple_size != 0) {
 		dev_err(&dev->dev, "Malformed reg property on %s\n",
-				dev->node->full_name);
+				dev->dev.of_node->full_name);
 		err = -EINVAL;
 		goto err_flash_remove;
 	}
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index fadc4c45b45..5945a23e681 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -110,7 +110,7 @@ int uflash_devinit(struct of_device *op, struct device_node *dp)
 
 static int __devinit uflash_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 
 	/* Flashprom must have the "user" property in order to
 	 * be used by this driver.
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index ae30fb6eed9..4a6079588ab 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -1030,14 +1030,14 @@ static int __devinit fsl_elbc_ctrl_probe(struct of_device *ofdev,
 	init_waitqueue_head(&ctrl->controller.wq);
 	init_waitqueue_head(&ctrl->irq_wait);
 
-	ctrl->regs = of_iomap(ofdev->node, 0);
+	ctrl->regs = of_iomap(ofdev->dev.of_node, 0);
 	if (!ctrl->regs) {
 		dev_err(&ofdev->dev, "failed to get memory region\n");
 		ret = -ENODEV;
 		goto err;
 	}
 
-	ctrl->irq = of_irq_to_resource(ofdev->node, 0, NULL);
+	ctrl->irq = of_irq_to_resource(ofdev->dev.of_node, 0, NULL);
 	if (ctrl->irq == NO_IRQ) {
 		dev_err(&ofdev->dev, "failed to get irq resource\n");
 		ret = -ENODEV;
@@ -1058,7 +1058,7 @@ static int __devinit fsl_elbc_ctrl_probe(struct of_device *ofdev,
 		goto err;
 	}
 
-	for_each_child_of_node(ofdev->node, child)
+	for_each_child_of_node(ofdev->dev.of_node, child)
 		if (of_device_is_compatible(child, "fsl,elbc-fcm-nand"))
 			fsl_elbc_chip_probe(ctrl, child);
 
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index b983cae8c29..c0e05f5ff8a 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -239,14 +239,14 @@ static int __devinit ndfc_probe(struct of_device *ofdev,
 	dev_set_drvdata(&ofdev->dev, ndfc);
 
 	/* Read the reg property to get the chip select */
-	reg = of_get_property(ofdev->node, "reg", &len);
+	reg = of_get_property(ofdev->dev.of_node, "reg", &len);
 	if (reg == NULL || len != 12) {
 		dev_err(&ofdev->dev, "unable read reg property (%d)\n", len);
 		return -ENOENT;
 	}
 	ndfc->chip_select = reg[0];
 
-	ndfc->ndfcbase = of_iomap(ofdev->node, 0);
+	ndfc->ndfcbase = of_iomap(ofdev->dev.of_node, 0);
 	if (!ndfc->ndfcbase) {
 		dev_err(&ofdev->dev, "failed to get memory\n");
 		return -EIO;
@@ -255,20 +255,20 @@ static int __devinit ndfc_probe(struct of_device *ofdev,
 	ccr = NDFC_CCR_BS(ndfc->chip_select);
 
 	/* It is ok if ccr does not exist - just default to 0 */
-	reg = of_get_property(ofdev->node, "ccr", NULL);
+	reg = of_get_property(ofdev->dev.of_node, "ccr", NULL);
 	if (reg)
 		ccr |= *reg;
 
 	out_be32(ndfc->ndfcbase + NDFC_CCR, ccr);
 
 	/* Set the bank settings if given */
-	reg = of_get_property(ofdev->node, "bank-settings", NULL);
+	reg = of_get_property(ofdev->dev.of_node, "bank-settings", NULL);
 	if (reg) {
 		int offset = NDFC_BCFG0 + (ndfc->chip_select << 2);
 		out_be32(ndfc->ndfcbase + offset, *reg);
 	}
 
-	err = ndfc_chip_init(ndfc, ofdev->node);
+	err = ndfc_chip_init(ndfc, ofdev->dev.of_node);
 	if (err) {
 		iounmap(ndfc->ndfcbase);
 		return err;
diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
index a8b9376cf32..edfc27b7851 100644
--- a/drivers/mtd/nand/pasemi_nand.c
+++ b/drivers/mtd/nand/pasemi_nand.c
@@ -93,7 +93,7 @@ static int __devinit pasemi_nand_probe(struct of_device *ofdev,
 				      const struct of_device_id *match)
 {
 	struct pci_dev *pdev;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct resource res;
 	struct nand_chip *chip;
 	int err = 0;
diff --git a/drivers/net/can/sja1000/sja1000_of_platform.c b/drivers/net/can/sja1000/sja1000_of_platform.c
index 9dd076a626a..dc5f20cdf93 100644
--- a/drivers/net/can/sja1000/sja1000_of_platform.c
+++ b/drivers/net/can/sja1000/sja1000_of_platform.c
@@ -72,7 +72,7 @@ static int __devexit sja1000_ofp_remove(struct of_device *ofdev)
 {
 	struct net_device *dev = dev_get_drvdata(&ofdev->dev);
 	struct sja1000_priv *priv = netdev_priv(dev);
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct resource res;
 
 	dev_set_drvdata(&ofdev->dev, NULL);
@@ -91,7 +91,7 @@ static int __devexit sja1000_ofp_remove(struct of_device *ofdev)
 static int __devinit sja1000_ofp_probe(struct of_device *ofdev,
 				       const struct of_device_id *id)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct net_device *dev;
 	struct sja1000_priv *priv;
 	struct resource res;
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 809ccc9ff09..59dac232006 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -3035,7 +3035,7 @@ static DEVICE_ATTR(log_port_id, S_IRUSR | S_IRGRP | S_IROTH, ehea_show_port_id,
 static void __devinit logical_port_release(struct device *dev)
 {
 	struct ehea_port *port = container_of(dev, struct ehea_port, ofdev.dev);
-	of_node_put(port->ofdev.node);
+	of_node_put(port->ofdev.dev.of_node);
 }
 
 static struct device *ehea_register_port(struct ehea_port *port,
@@ -3043,7 +3043,7 @@ static struct device *ehea_register_port(struct ehea_port *port,
 {
 	int ret;
 
-	port->ofdev.node = of_node_get(dn);
+	port->ofdev.dev.of_node = of_node_get(dn);
 	port->ofdev.dev.parent = &port->adapter->ofdev->dev;
 	port->ofdev.dev.bus = &ibmebus_bus_type;
 
@@ -3210,7 +3210,7 @@ static int ehea_setup_ports(struct ehea_adapter *adapter)
 	const u32 *dn_log_port_id;
 	int i = 0;
 
-	lhea_dn = adapter->ofdev->node;
+	lhea_dn = adapter->ofdev->dev.of_node;
 	while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) {
 
 		dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no",
@@ -3249,7 +3249,7 @@ static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter,
 	struct device_node *eth_dn = NULL;
 	const u32 *dn_log_port_id;
 
-	lhea_dn = adapter->ofdev->node;
+	lhea_dn = adapter->ofdev->dev.of_node;
 	while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) {
 
 		dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no",
@@ -3379,7 +3379,7 @@ static int __devinit ehea_probe_adapter(struct of_device *dev,
 	const u64 *adapter_handle;
 	int ret;
 
-	if (!dev || !dev->node) {
+	if (!dev || !dev->dev.of_node) {
 		ehea_error("Invalid ibmebus device probed");
 		return -EINVAL;
 	}
@@ -3395,14 +3395,14 @@ static int __devinit ehea_probe_adapter(struct of_device *dev,
 
 	adapter->ofdev = dev;
 
-	adapter_handle = of_get_property(dev->node, "ibm,hea-handle",
+	adapter_handle = of_get_property(dev->dev.of_node, "ibm,hea-handle",
 					 NULL);
 	if (adapter_handle)
 		adapter->handle = *adapter_handle;
 
 	if (!adapter->handle) {
 		dev_err(&dev->dev, "failed getting handle for adapter"
-			" '%s'\n", dev->node->full_name);
+			" '%s'\n", dev->dev.of_node->full_name);
 		ret = -ENODEV;
 		goto out_free_ad;
 	}
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 4a43e56b739..3342056f8aa 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -873,7 +873,7 @@ mpc52xx_fec_probe(struct of_device *op, const struct of_device_id *match)
 	priv->ndev = ndev;
 
 	/* Reserve FEC control zone */
-	rv = of_address_to_resource(op->node, 0, &mem);
+	rv = of_address_to_resource(op->dev.of_node, 0, &mem);
 	if (rv) {
 		printk(KERN_ERR DRIVER_NAME ": "
 				"Error while parsing device node resource\n" );
@@ -921,7 +921,7 @@ mpc52xx_fec_probe(struct of_device *op, const struct of_device_id *match)
 
 	/* Get the IRQ we need one by one */
 		/* Control */
-	ndev->irq = irq_of_parse_and_map(op->node, 0);
+	ndev->irq = irq_of_parse_and_map(op->dev.of_node, 0);
 
 		/* RX */
 	priv->r_irq = bcom_get_task_irq(priv->rx_dmatsk);
@@ -944,20 +944,20 @@ mpc52xx_fec_probe(struct of_device *op, const struct of_device_id *match)
 	/* Start with safe defaults for link connection */
 	priv->speed = 100;
 	priv->duplex = DUPLEX_HALF;
-	priv->mdio_speed = ((mpc5xxx_get_bus_frequency(op->node) >> 20) / 5) << 1;
+	priv->mdio_speed = ((mpc5xxx_get_bus_frequency(op->dev.of_node) >> 20) / 5) << 1;
 
 	/* The current speed preconfigures the speed of the MII link */
-	prop = of_get_property(op->node, "current-speed", &prop_size);
+	prop = of_get_property(op->dev.of_node, "current-speed", &prop_size);
 	if (prop && (prop_size >= sizeof(u32) * 2)) {
 		priv->speed = prop[0];
 		priv->duplex = prop[1] ? DUPLEX_FULL : DUPLEX_HALF;
 	}
 
 	/* If there is a phy handle, then get the PHY node */
-	priv->phy_node = of_parse_phandle(op->node, "phy-handle", 0);
+	priv->phy_node = of_parse_phandle(op->dev.of_node, "phy-handle", 0);
 
 	/* the 7-wire property means don't use MII mode */
-	if (of_find_property(op->node, "fsl,7-wire-mode", NULL)) {
+	if (of_find_property(op->dev.of_node, "fsl,7-wire-mode", NULL)) {
 		priv->seven_wire_mode = 1;
 		dev_info(&ndev->dev, "using 7-wire PHY mode\n");
 	}
diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c
index 7658a082e39..0d099e5a652 100644
--- a/drivers/net/fec_mpc52xx_phy.c
+++ b/drivers/net/fec_mpc52xx_phy.c
@@ -66,7 +66,7 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of,
 		const struct of_device_id *match)
 {
 	struct device *dev = &of->dev;
-	struct device_node *np = of->node;
+	struct device_node *np = of->dev.of_node;
 	struct mii_bus *bus;
 	struct mpc52xx_fec_mdio_priv *priv;
 	struct resource res = {};
@@ -107,7 +107,7 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of,
 
 	/* set MII speed */
 	out_be32(&priv->regs->mii_speed,
-		((mpc5xxx_get_bus_frequency(of->node) >> 20) / 5) << 1);
+		((mpc5xxx_get_bus_frequency(of->dev.of_node) >> 20) / 5) << 1);
 
 	err = of_mdiobus_register(bus, np);
 	if (err)
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
index 0770e2f6da6..caeb88b67bc 100644
--- a/drivers/net/fs_enet/fs_enet-main.c
+++ b/drivers/net/fs_enet/fs_enet-main.c
@@ -1015,7 +1015,7 @@ static int __devinit fs_enet_probe(struct of_device *ofdev,
 		return -ENOMEM;
 
 	if (!IS_FEC(match)) {
-		data = of_get_property(ofdev->node, "fsl,cpm-command", &len);
+		data = of_get_property(ofdev->dev.of_node, "fsl,cpm-command", &len);
 		if (!data || len != 4)
 			goto out_free_fpi;
 
@@ -1027,8 +1027,8 @@ static int __devinit fs_enet_probe(struct of_device *ofdev,
 	fpi->rx_copybreak = 240;
 	fpi->use_napi = 1;
 	fpi->napi_weight = 17;
-	fpi->phy_node = of_parse_phandle(ofdev->node, "phy-handle", 0);
-	if ((!fpi->phy_node) && (!of_get_property(ofdev->node, "fixed-link",
+	fpi->phy_node = of_parse_phandle(ofdev->dev.of_node, "phy-handle", 0);
+	if ((!fpi->phy_node) && (!of_get_property(ofdev->dev.of_node, "fixed-link",
 						  NULL)))
 		goto out_free_fpi;
 
@@ -1061,7 +1061,7 @@ static int __devinit fs_enet_probe(struct of_device *ofdev,
 	spin_lock_init(&fep->lock);
 	spin_lock_init(&fep->tx_lock);
 
-	mac_addr = of_get_mac_address(ofdev->node);
+	mac_addr = of_get_mac_address(ofdev->dev.of_node);
 	if (mac_addr)
 		memcpy(ndev->dev_addr, mac_addr, 6);
 
diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c
index 0a973e71876..9d4f272137d 100644
--- a/drivers/net/fs_enet/mac-fcc.c
+++ b/drivers/net/fs_enet/mac-fcc.c
@@ -88,19 +88,19 @@ static int do_pd_setup(struct fs_enet_private *fep)
 	struct fs_platform_info *fpi = fep->fpi;
 	int ret = -EINVAL;
 
-	fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL);
+	fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL);
 	if (fep->interrupt == NO_IRQ)
 		goto out;
 
-	fep->fcc.fccp = of_iomap(ofdev->node, 0);
+	fep->fcc.fccp = of_iomap(ofdev->dev.of_node, 0);
 	if (!fep->fcc.fccp)
 		goto out;
 
-	fep->fcc.ep = of_iomap(ofdev->node, 1);
+	fep->fcc.ep = of_iomap(ofdev->dev.of_node, 1);
 	if (!fep->fcc.ep)
 		goto out_fccp;
 
-	fep->fcc.fcccp = of_iomap(ofdev->node, 2);
+	fep->fcc.fcccp = of_iomap(ofdev->dev.of_node, 2);
 	if (!fep->fcc.fcccp)
 		goto out_ep;
 
diff --git a/drivers/net/fs_enet/mac-fec.c b/drivers/net/fs_enet/mac-fec.c
index ec81f50d591..bd7a6e7064b 100644
--- a/drivers/net/fs_enet/mac-fec.c
+++ b/drivers/net/fs_enet/mac-fec.c
@@ -98,11 +98,11 @@ static int do_pd_setup(struct fs_enet_private *fep)
 {
 	struct of_device *ofdev = to_of_device(fep->dev);
 
-	fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL);
+	fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL);
 	if (fep->interrupt == NO_IRQ)
 		return -EINVAL;
 
-	fep->fec.fecp = of_iomap(ofdev->node, 0);
+	fep->fec.fecp = of_iomap(ofdev->dev.of_node, 0);
 	if (!fep->fcc.fccp)
 		return -EINVAL;
 
diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c
index 34d3da751eb..49a4d8c6016 100644
--- a/drivers/net/fs_enet/mac-scc.c
+++ b/drivers/net/fs_enet/mac-scc.c
@@ -98,15 +98,15 @@ static int do_pd_setup(struct fs_enet_private *fep)
 {
 	struct of_device *ofdev = to_of_device(fep->dev);
 
-	fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL);
+	fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL);
 	if (fep->interrupt == NO_IRQ)
 		return -EINVAL;
 
-	fep->scc.sccp = of_iomap(ofdev->node, 0);
+	fep->scc.sccp = of_iomap(ofdev->dev.of_node, 0);
 	if (!fep->scc.sccp)
 		return -EINVAL;
 
-	fep->scc.ep = of_iomap(ofdev->node, 1);
+	fep->scc.ep = of_iomap(ofdev->dev.of_node, 1);
 	if (!fep->scc.ep) {
 		iounmap(fep->scc.sccp);
 		return -EINVAL;
diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c
index 5944b65082c..dc862e779c1 100644
--- a/drivers/net/fs_enet/mii-fec.c
+++ b/drivers/net/fs_enet/mii-fec.c
@@ -124,7 +124,7 @@ static int __devinit fs_enet_mdio_probe(struct of_device *ofdev,
 	new_bus->write = &fs_enet_fec_mii_write;
 	new_bus->reset = &fs_enet_fec_mii_reset;
 
-	ret = of_address_to_resource(ofdev->node, 0, &res);
+	ret = of_address_to_resource(ofdev->dev.of_node, 0, &res);
 	if (ret)
 		goto out_res;
 
@@ -135,7 +135,7 @@ static int __devinit fs_enet_mdio_probe(struct of_device *ofdev,
 		goto out_fec;
 
 	if (get_bus_freq) {
-		clock = get_bus_freq(ofdev->node);
+		clock = get_bus_freq(ofdev->dev.of_node);
 		if (!clock) {
 			/* Use maximum divider if clock is unknown */
 			dev_warn(&ofdev->dev, "could not determine IPS clock\n");
@@ -172,7 +172,7 @@ static int __devinit fs_enet_mdio_probe(struct of_device *ofdev,
 	new_bus->parent = &ofdev->dev;
 	dev_set_drvdata(&ofdev->dev, new_bus);
 
-	ret = of_mdiobus_register(new_bus, ofdev->node);
+	ret = of_mdiobus_register(new_bus, ofdev->dev.of_node);
 	if (ret)
 		goto out_free_irqs;
 
diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index d5160edf2fc..72489a213bf 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -271,7 +271,7 @@ static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
 static int fsl_pq_mdio_probe(struct of_device *ofdev,
 		const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct device_node *tbi;
 	struct fsl_pq_mdio_priv *priv;
 	struct fsl_pq_mdio __iomem *regs = NULL;
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 080d1cea5b2..b71bba91064 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -603,7 +603,7 @@ static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev)
 	int err = 0, i;
 	struct net_device *dev = NULL;
 	struct gfar_private *priv = NULL;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct device_node *child = NULL;
 	const u32 *stash;
 	const u32 *stash_len;
@@ -641,7 +641,7 @@ static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev)
 		return -ENOMEM;
 
 	priv = netdev_priv(dev);
-	priv->node = ofdev->node;
+	priv->node = ofdev->dev.of_node;
 	priv->ndev = dev;
 
 	dev->num_tx_queues = num_tx_qs;
@@ -888,7 +888,7 @@ static int gfar_probe(struct of_device *ofdev,
 	priv = netdev_priv(dev);
 	priv->ndev = dev;
 	priv->ofdev = ofdev;
-	priv->node = ofdev->node;
+	priv->node = ofdev->dev.of_node;
 	SET_NETDEV_DEV(dev, &ofdev->dev);
 
 	spin_lock_init(&priv->bflock);
diff --git a/drivers/net/greth.c b/drivers/net/greth.c
index 3a90430de91..61fd54d35f6 100644
--- a/drivers/net/greth.c
+++ b/drivers/net/greth.c
@@ -1500,7 +1500,8 @@ static int __devinit greth_of_probe(struct of_device *ofdev, const struct of_dev
 	if (i == 6) {
 		const unsigned char *addr;
 		int len;
-		addr = of_get_property(ofdev->node, "local-mac-address", &len);
+		addr = of_get_property(ofdev->dev.of_node, "local-mac-address",
+					&len);
 		if (addr != NULL && len == 6) {
 			for (i = 0; i < 6; i++)
 				macaddr[i] = (unsigned int) addr[i];
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index dd873cc41c2..cda2ba89134 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -136,7 +136,8 @@ static inline void emac_report_timeout_error(struct emac_instance *dev,
 				  EMAC_FTR_440EP_PHY_CLK_FIX))
 		DBG(dev, "%s" NL, error);
 	else if (net_ratelimit())
-		printk(KERN_ERR "%s: %s\n", dev->ofdev->node->full_name, error);
+		printk(KERN_ERR "%s: %s\n", dev->ofdev->dev.of_node->full_name,
+			error);
 }
 
 /* EMAC PHY clock workaround:
@@ -2185,7 +2186,7 @@ static void emac_ethtool_get_drvinfo(struct net_device *ndev,
 	strcpy(info->version, DRV_VERSION);
 	info->fw_version[0] = '\0';
 	sprintf(info->bus_info, "PPC 4xx EMAC-%d %s",
-		dev->cell_index, dev->ofdev->node->full_name);
+		dev->cell_index, dev->ofdev->dev.of_node->full_name);
 	info->regdump_len = emac_ethtool_get_regs_len(ndev);
 }
 
@@ -2379,7 +2380,7 @@ static int __devinit emac_read_uint_prop(struct device_node *np, const char *nam
 
 static int __devinit emac_init_phy(struct emac_instance *dev)
 {
-	struct device_node *np = dev->ofdev->node;
+	struct device_node *np = dev->ofdev->dev.of_node;
 	struct net_device *ndev = dev->ndev;
 	u32 phy_map, adv;
 	int i;
@@ -2514,7 +2515,7 @@ static int __devinit emac_init_phy(struct emac_instance *dev)
 
 static int __devinit emac_init_config(struct emac_instance *dev)
 {
-	struct device_node *np = dev->ofdev->node;
+	struct device_node *np = dev->ofdev->dev.of_node;
 	const void *p;
 	unsigned int plen;
 	const char *pm, *phy_modes[] = {
@@ -2723,7 +2724,7 @@ static int __devinit emac_probe(struct of_device *ofdev,
 {
 	struct net_device *ndev;
 	struct emac_instance *dev;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct device_node **blist = NULL;
 	int err, i;
 
@@ -2810,7 +2811,7 @@ static int __devinit emac_probe(struct of_device *ofdev,
 	err = mal_register_commac(dev->mal, &dev->commac);
 	if (err) {
 		printk(KERN_ERR "%s: failed to register with mal %s!\n",
-		       np->full_name, dev->mal_dev->node->full_name);
+		       np->full_name, dev->mal_dev->dev.of_node->full_name);
 		goto err_rel_deps;
 	}
 	dev->rx_skb_size = emac_rx_skb_size(ndev->mtu);
diff --git a/drivers/net/ibm_newemac/debug.c b/drivers/net/ibm_newemac/debug.c
index 775c850a425..3995fafc1e0 100644
--- a/drivers/net/ibm_newemac/debug.c
+++ b/drivers/net/ibm_newemac/debug.c
@@ -33,7 +33,7 @@ static void emac_desc_dump(struct emac_instance *p)
 	int i;
 	printk("** EMAC %s TX BDs **\n"
 	       " tx_cnt = %d tx_slot = %d ack_slot = %d\n",
-	       p->ofdev->node->full_name,
+	       p->ofdev->dev.of_node->full_name,
 	       p->tx_cnt, p->tx_slot, p->ack_slot);
 	for (i = 0; i < NUM_TX_BUFF / 2; ++i)
 		printk
@@ -49,7 +49,7 @@ static void emac_desc_dump(struct emac_instance *p)
 	printk("** EMAC %s RX BDs **\n"
 	       " rx_slot = %d flags = 0x%lx rx_skb_size = %d rx_sync_size = %d\n"
 	       " rx_sg_skb = 0x%p\n",
-	       p->ofdev->node->full_name,
+	       p->ofdev->dev.of_node->full_name,
 	       p->rx_slot, p->commac.flags, p->rx_skb_size,
 	       p->rx_sync_size, p->rx_sg_skb);
 	for (i = 0; i < NUM_RX_BUFF / 2; ++i)
@@ -77,7 +77,8 @@ static void emac_mac_dump(struct emac_instance *dev)
 	       "MR0 = 0x%08x MR1 = 0x%08x TMR0 = 0x%08x TMR1 = 0x%08x\n"
 	       "RMR = 0x%08x ISR = 0x%08x ISER = 0x%08x\n"
 	       "IAR = %04x%08x VTPID = 0x%04x VTCI = 0x%04x\n",
-	       dev->ofdev->node->full_name, in_be32(&p->mr0), in_be32(&p->mr1),
+	       dev->ofdev->dev.of_node->full_name,
+	       in_be32(&p->mr0), in_be32(&p->mr1),
 	       in_be32(&p->tmr0), in_be32(&p->tmr1),
 	       in_be32(&p->rmr), in_be32(&p->isr), in_be32(&p->iser),
 	       in_be32(&p->iahr), in_be32(&p->ialr), in_be32(&p->vtpid),
@@ -128,7 +129,7 @@ static void emac_mal_dump(struct mal_instance *mal)
 	       "CFG = 0x%08x ESR = 0x%08x IER = 0x%08x\n"
 	       "TX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n"
 	       "RX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n",
-	       mal->ofdev->node->full_name,
+	       mal->ofdev->dev.of_node->full_name,
 	       get_mal_dcrn(mal, MAL_CFG), get_mal_dcrn(mal, MAL_ESR),
 	       get_mal_dcrn(mal, MAL_IER),
 	       get_mal_dcrn(mal, MAL_TXCASR), get_mal_dcrn(mal, MAL_TXCARR),
diff --git a/drivers/net/ibm_newemac/debug.h b/drivers/net/ibm_newemac/debug.h
index b631842ec8d..e596c77ccdf 100644
--- a/drivers/net/ibm_newemac/debug.h
+++ b/drivers/net/ibm_newemac/debug.h
@@ -53,8 +53,8 @@ extern void emac_dbg_dump_all(void);
 
 #endif
 
-#define EMAC_DBG(dev, name, fmt, arg...) \
-	printk(KERN_DEBUG #name "%s: " fmt, dev->ofdev->node->full_name, ## arg)
+#define EMAC_DBG(d, name, fmt, arg...) \
+	printk(KERN_DEBUG #name "%s: " fmt, d->ofdev->dev.of_node->full_name, ## arg)
 
 #if DBG_LEVEL > 0
 #  define DBG(d,f,x...)		EMAC_DBG(d, emac, f, ##x)
diff --git a/drivers/net/ibm_newemac/mal.c b/drivers/net/ibm_newemac/mal.c
index 5b3d94419fe..aba17947e20 100644
--- a/drivers/net/ibm_newemac/mal.c
+++ b/drivers/net/ibm_newemac/mal.c
@@ -538,11 +538,11 @@ static int __devinit mal_probe(struct of_device *ofdev,
 	}
 	mal->index = index;
 	mal->ofdev = ofdev;
-	mal->version = of_device_is_compatible(ofdev->node, "ibm,mcmal2") ? 2 : 1;
+	mal->version = of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal2") ? 2 : 1;
 
 	MAL_DBG(mal, "probe" NL);
 
-	prop = of_get_property(ofdev->node, "num-tx-chans", NULL);
+	prop = of_get_property(ofdev->dev.of_node, "num-tx-chans", NULL);
 	if (prop == NULL) {
 		printk(KERN_ERR
 		       "mal%d: can't find MAL num-tx-chans property!\n",
@@ -552,7 +552,7 @@ static int __devinit mal_probe(struct of_device *ofdev,
 	}
 	mal->num_tx_chans = prop[0];
 
-	prop = of_get_property(ofdev->node, "num-rx-chans", NULL);
+	prop = of_get_property(ofdev->dev.of_node, "num-rx-chans", NULL);
 	if (prop == NULL) {
 		printk(KERN_ERR
 		       "mal%d: can't find MAL num-rx-chans property!\n",
@@ -562,14 +562,14 @@ static int __devinit mal_probe(struct of_device *ofdev,
 	}
 	mal->num_rx_chans = prop[0];
 
-	dcr_base = dcr_resource_start(ofdev->node, 0);
+	dcr_base = dcr_resource_start(ofdev->dev.of_node, 0);
 	if (dcr_base == 0) {
 		printk(KERN_ERR
 		       "mal%d: can't find DCR resource!\n", index);
 		err = -ENODEV;
 		goto fail;
 	}
-	mal->dcr_host = dcr_map(ofdev->node, dcr_base, 0x100);
+	mal->dcr_host = dcr_map(ofdev->dev.of_node, dcr_base, 0x100);
 	if (!DCR_MAP_OK(mal->dcr_host)) {
 		printk(KERN_ERR
 		       "mal%d: failed to map DCRs !\n", index);
@@ -577,28 +577,28 @@ static int __devinit mal_probe(struct of_device *ofdev,
 		goto fail;
 	}
 
-	if (of_device_is_compatible(ofdev->node, "ibm,mcmal-405ez")) {
+	if (of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal-405ez")) {
 #if defined(CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT) && \
 		defined(CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR)
 		mal->features |= (MAL_FTR_CLEAR_ICINTSTAT |
 				MAL_FTR_COMMON_ERR_INT);
 #else
 		printk(KERN_ERR "%s: Support for 405EZ not enabled!\n",
-				ofdev->node->full_name);
+				ofdev->dev.of_node->full_name);
 		err = -ENODEV;
 		goto fail;
 #endif
 	}
 
-	mal->txeob_irq = irq_of_parse_and_map(ofdev->node, 0);
-	mal->rxeob_irq = irq_of_parse_and_map(ofdev->node, 1);
-	mal->serr_irq = irq_of_parse_and_map(ofdev->node, 2);
+	mal->txeob_irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
+	mal->rxeob_irq = irq_of_parse_and_map(ofdev->dev.of_node, 1);
+	mal->serr_irq = irq_of_parse_and_map(ofdev->dev.of_node, 2);
 
 	if (mal_has_feature(mal, MAL_FTR_COMMON_ERR_INT)) {
 		mal->txde_irq = mal->rxde_irq = mal->serr_irq;
 	} else {
-		mal->txde_irq = irq_of_parse_and_map(ofdev->node, 3);
-		mal->rxde_irq = irq_of_parse_and_map(ofdev->node, 4);
+		mal->txde_irq = irq_of_parse_and_map(ofdev->dev.of_node, 3);
+		mal->rxde_irq = irq_of_parse_and_map(ofdev->dev.of_node, 4);
 	}
 
 	if (mal->txeob_irq == NO_IRQ || mal->rxeob_irq == NO_IRQ ||
@@ -629,7 +629,7 @@ static int __devinit mal_probe(struct of_device *ofdev,
 	/* Current Axon is not happy with priority being non-0, it can
 	 * deadlock, fix it up here
 	 */
-	if (of_device_is_compatible(ofdev->node, "ibm,mcmal-axon"))
+	if (of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal-axon"))
 		cfg &= ~(MAL2_CFG_RPP_10 | MAL2_CFG_WPP_10);
 
 	/* Apply configuration */
@@ -701,7 +701,7 @@ static int __devinit mal_probe(struct of_device *ofdev,
 
 	printk(KERN_INFO
 	       "MAL v%d %s, %d TX channels, %d RX channels\n",
-	       mal->version, ofdev->node->full_name,
+	       mal->version, ofdev->dev.of_node->full_name,
 	       mal->num_tx_chans, mal->num_rx_chans);
 
 	/* Advertise this instance to the rest of the world */
diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c
index 5b90d34c845..6ab630a79e3 100644
--- a/drivers/net/ibm_newemac/rgmii.c
+++ b/drivers/net/ibm_newemac/rgmii.c
@@ -103,7 +103,7 @@ int __devinit rgmii_attach(struct of_device *ofdev, int input, int mode)
 	/* Check if we need to attach to a RGMII */
 	if (input < 0 || !rgmii_valid_mode(mode)) {
 		printk(KERN_ERR "%s: unsupported settings !\n",
-		       ofdev->node->full_name);
+		       ofdev->dev.of_node->full_name);
 		return -ENODEV;
 	}
 
@@ -113,7 +113,7 @@ int __devinit rgmii_attach(struct of_device *ofdev, int input, int mode)
 	out_be32(&p->fer, in_be32(&p->fer) | rgmii_mode_mask(mode, input));
 
 	printk(KERN_NOTICE "%s: input %d in %s mode\n",
-	       ofdev->node->full_name, input, rgmii_mode_name(mode));
+	       ofdev->dev.of_node->full_name, input, rgmii_mode_name(mode));
 
 	++dev->users;
 
@@ -231,7 +231,7 @@ void *rgmii_dump_regs(struct of_device *ofdev, void *buf)
 static int __devinit rgmii_probe(struct of_device *ofdev,
 				 const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct rgmii_instance *dev;
 	struct resource regs;
 	int rc;
@@ -264,11 +264,11 @@ static int __devinit rgmii_probe(struct of_device *ofdev,
 	}
 
 	/* Check for RGMII flags */
-	if (of_get_property(ofdev->node, "has-mdio", NULL))
+	if (of_get_property(ofdev->dev.of_node, "has-mdio", NULL))
 		dev->flags |= EMAC_RGMII_FLAG_HAS_MDIO;
 
 	/* CAB lacks the right properties, fix this up */
-	if (of_device_is_compatible(ofdev->node, "ibm,rgmii-axon"))
+	if (of_device_is_compatible(ofdev->dev.of_node, "ibm,rgmii-axon"))
 		dev->flags |= EMAC_RGMII_FLAG_HAS_MDIO;
 
 	DBG2(dev, " Boot FER = 0x%08x, SSR = 0x%08x\n",
@@ -279,7 +279,7 @@ static int __devinit rgmii_probe(struct of_device *ofdev,
 
 	printk(KERN_INFO
 	       "RGMII %s initialized with%s MDIO support\n",
-	       ofdev->node->full_name,
+	       ofdev->dev.of_node->full_name,
 	       (dev->flags & EMAC_RGMII_FLAG_HAS_MDIO) ? "" : "out");
 
 	wmb();
diff --git a/drivers/net/ibm_newemac/tah.c b/drivers/net/ibm_newemac/tah.c
index 30173a9fb55..4f64b00dd5e 100644
--- a/drivers/net/ibm_newemac/tah.c
+++ b/drivers/net/ibm_newemac/tah.c
@@ -57,7 +57,8 @@ void tah_reset(struct of_device *ofdev)
 		--n;
 
 	if (unlikely(!n))
-		printk(KERN_ERR "%s: reset timeout\n", ofdev->node->full_name);
+		printk(KERN_ERR "%s: reset timeout\n",
+			ofdev->dev.of_node->full_name);
 
 	/* 10KB TAH TX FIFO accomodates the max MTU of 9000 */
 	out_be32(&p->mr,
@@ -89,7 +90,7 @@ void *tah_dump_regs(struct of_device *ofdev, void *buf)
 static int __devinit tah_probe(struct of_device *ofdev,
 			       const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct tah_instance *dev;
 	struct resource regs;
 	int rc;
@@ -127,7 +128,7 @@ static int __devinit tah_probe(struct of_device *ofdev,
 	tah_reset(ofdev);
 
 	printk(KERN_INFO
-	       "TAH %s initialized\n", ofdev->node->full_name);
+	       "TAH %s initialized\n", ofdev->dev.of_node->full_name);
 	wmb();
 
 	return 0;
diff --git a/drivers/net/ibm_newemac/zmii.c b/drivers/net/ibm_newemac/zmii.c
index 1f038f808ab..b4fa823ed20 100644
--- a/drivers/net/ibm_newemac/zmii.c
+++ b/drivers/net/ibm_newemac/zmii.c
@@ -121,13 +121,14 @@ int __devinit zmii_attach(struct of_device *ofdev, int input, int *mode)
 			dev->mode = *mode;
 
 		printk(KERN_NOTICE "%s: bridge in %s mode\n",
-		       ofdev->node->full_name, zmii_mode_name(dev->mode));
+		       ofdev->dev.of_node->full_name,
+		       zmii_mode_name(dev->mode));
 	} else {
 		/* All inputs must use the same mode */
 		if (*mode != PHY_MODE_NA && *mode != dev->mode) {
 			printk(KERN_ERR
 			       "%s: invalid mode %d specified for input %d\n",
-			       ofdev->node->full_name, *mode, input);
+			       ofdev->dev.of_node->full_name, *mode, input);
 			mutex_unlock(&dev->lock);
 			return -EINVAL;
 		}
@@ -233,7 +234,7 @@ void *zmii_dump_regs(struct of_device *ofdev, void *buf)
 static int __devinit zmii_probe(struct of_device *ofdev,
 				const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct zmii_instance *dev;
 	struct resource regs;
 	int rc;
@@ -273,7 +274,7 @@ static int __devinit zmii_probe(struct of_device *ofdev,
 	out_be32(&dev->base->fer, 0);
 
 	printk(KERN_INFO
-	       "ZMII %s initialized\n", ofdev->node->full_name);
+	       "ZMII %s initialized\n", ofdev->dev.of_node->full_name);
 	wmb();
 	dev_set_drvdata(&ofdev->dev, dev);
 
diff --git a/drivers/net/ll_temac_main.c b/drivers/net/ll_temac_main.c
index ba617e3cf1b..9c7395c10e4 100644
--- a/drivers/net/ll_temac_main.c
+++ b/drivers/net/ll_temac_main.c
@@ -858,14 +858,14 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match)
 	mutex_init(&lp->indirect_mutex);
 
 	/* map device registers */
-	lp->regs = of_iomap(op->node, 0);
+	lp->regs = of_iomap(op->dev.of_node, 0);
 	if (!lp->regs) {
 		dev_err(&op->dev, "could not map temac regs.\n");
 		goto nodev;
 	}
 
 	/* Find the DMA node, map the DMA registers, and decode the DMA IRQs */
-	np = of_parse_phandle(op->node, "llink-connected", 0);
+	np = of_parse_phandle(op->dev.of_node, "llink-connected", 0);
 	if (!np) {
 		dev_err(&op->dev, "could not find DMA node\n");
 		goto nodev;
@@ -890,7 +890,7 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match)
 	of_node_put(np); /* Finished with the DMA node; drop the reference */
 
 	/* Retrieve the MAC address */
-	addr = of_get_property(op->node, "local-mac-address", &size);
+	addr = of_get_property(op->dev.of_node, "local-mac-address", &size);
 	if ((!addr) || (size != 6)) {
 		dev_err(&op->dev, "could not find MAC address\n");
 		rc = -ENODEV;
@@ -898,11 +898,11 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match)
 	}
 	temac_set_mac_address(ndev, (void *)addr);
 
-	rc = temac_mdio_setup(lp, op->node);
+	rc = temac_mdio_setup(lp, op->dev.of_node);
 	if (rc)
 		dev_warn(&op->dev, "error registering MDIO bus\n");
 
-	lp->phy_node = of_parse_phandle(op->node, "phy-handle", 0);
+	lp->phy_node = of_parse_phandle(op->dev.of_node, "phy-handle", 0);
 	if (lp->phy_node)
 		dev_dbg(lp->dev, "using PHY node %s (%p)\n", np->full_name, np);
 
diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c
index b72e749afdf..e21439f1e77 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -928,7 +928,7 @@ static const struct net_device_ops myri_ops = {
 
 static int __devinit myri_sbus_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	static unsigned version_printed;
 	struct net_device *dev;
 	struct myri_eth *mp;
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index d5cd16bfc90..9c1604c0445 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -9094,7 +9094,7 @@ static int __devinit niu_n2_irq_init(struct niu *np, u8 *ldg_num_map)
 	const u32 *int_prop;
 	int i;
 
-	int_prop = of_get_property(op->node, "interrupts", NULL);
+	int_prop = of_get_property(op->dev.of_node, "interrupts", NULL);
 	if (!int_prop)
 		return -ENODEV;
 
@@ -9245,7 +9245,7 @@ static int __devinit niu_get_of_props(struct niu *np)
 	int prop_len;
 
 	if (np->parent->plat_type == PLAT_TYPE_NIU)
-		dp = np->op->node;
+		dp = np->op->dev.of_node;
 	else
 		dp = pci_device_to_OF_node(np->pdev);
 
@@ -10056,10 +10056,10 @@ static int __devinit niu_of_probe(struct of_device *op,
 
 	niu_driver_version();
 
-	reg = of_get_property(op->node, "reg", NULL);
+	reg = of_get_property(op->dev.of_node, "reg", NULL);
 	if (!reg) {
 		dev_err(&op->dev, "%s: No 'reg' property, aborting\n",
-			op->node->full_name);
+			op->dev.of_node->full_name);
 		return -ENODEV;
 	}
 
@@ -10072,7 +10072,7 @@ static int __devinit niu_of_probe(struct of_device *op,
 	np = netdev_priv(dev);
 
 	memset(&parent_id, 0, sizeof(parent_id));
-	parent_id.of = of_get_parent(op->node);
+	parent_id.of = of_get_parent(op->dev.of_node);
 
 	np->parent = niu_get_parent(np, &parent_id,
 				    PLAT_TYPE_NIU);
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 35897134a5d..641973ca241 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -199,12 +199,12 @@ static int __devinit mdio_ofgpio_probe(struct of_device *ofdev,
 	if (!pdata)
 		return -ENOMEM;
 
-	ret = of_get_gpio(ofdev->node, 0);
+	ret = of_get_gpio(ofdev->dev.of_node, 0);
 	if (ret < 0)
 		goto out_free;
 	pdata->mdc = ret;
 
-	ret = of_get_gpio(ofdev->node, 1);
+	ret = of_get_gpio(ofdev->dev.of_node, 1);
 	if (ret < 0)
 		goto out_free;
 	pdata->mdio = ret;
@@ -213,7 +213,7 @@ static int __devinit mdio_ofgpio_probe(struct of_device *ofdev,
 	if (!new_bus)
 		goto out_free;
 
-	ret = of_mdiobus_register(new_bus, ofdev->node);
+	ret = of_mdiobus_register(new_bus, ofdev->dev.of_node);
 	if (ret)
 		mdio_gpio_bus_deinit(&ofdev->dev);
 
diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index ed7865a0b5b..bd286ec5abd 100644
--- a/drivers/net/sunbmac.c
+++ b/drivers/net/sunbmac.c
@@ -1133,8 +1133,8 @@ static int __devinit bigmac_ether_init(struct of_device *op,
 		goto fail_and_cleanup;
 
 	/* Get supported SBUS burst sizes. */
-	bsizes = of_getintprop_default(qec_op->node, "burst-sizes", 0xff);
-	bsizes_more = of_getintprop_default(qec_op->node, "burst-sizes", 0xff);
+	bsizes = of_getintprop_default(qec_op->dev.of_node, "burst-sizes", 0xff);
+	bsizes_more = of_getintprop_default(qec_op->dev.of_node, "burst-sizes", 0xff);
 
 	bsizes &= 0xff;
 	if (bsizes_more != 0xff)
@@ -1186,7 +1186,7 @@ static int __devinit bigmac_ether_init(struct of_device *op,
 	}
 
 	/* Get the board revision of this BigMAC. */
-	bp->board_rev = of_getintprop_default(bp->bigmac_op->node,
+	bp->board_rev = of_getintprop_default(bp->bigmac_op->dev.of_node,
 					      "board-version", 1);
 
 	/* Init auto-negotiation timer state. */
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index b17dbb11bd6..c6463f71c91 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -2483,7 +2483,7 @@ static void hme_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info
 	else {
 		const struct linux_prom_registers *regs;
 		struct of_device *op = hp->happy_dev;
-		regs = of_get_property(op->node, "regs", NULL);
+		regs = of_get_property(op->dev.of_node, "regs", NULL);
 		if (regs)
 			sprintf(info->bus_info, "SBUS:%d",
 				regs->which_io);
@@ -2643,14 +2643,14 @@ static const struct net_device_ops hme_netdev_ops = {
 #ifdef CONFIG_SBUS
 static int __devinit happy_meal_sbus_probe_one(struct of_device *op, int is_qfe)
 {
-	struct device_node *dp = op->node, *sbus_dp;
+	struct device_node *dp = op->dev.of_node, *sbus_dp;
 	struct quattro *qp = NULL;
 	struct happy_meal *hp;
 	struct net_device *dev;
 	int i, qfe_slot = -1;
 	int err = -ENODEV;
 
-	sbus_dp = to_of_device(op->dev.parent)->node;
+	sbus_dp = to_of_device(op->dev.parent)->dev.of_node;
 
 	/* We can match PCI devices too, do not accept those here. */
 	if (strcmp(sbus_dp->name, "sbus"))
@@ -3241,7 +3241,7 @@ static void happy_meal_pci_exit(void)
 #ifdef CONFIG_SBUS
 static int __devinit hme_sbus_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	const char *model = of_get_property(dp, "model", NULL);
 	int is_qfe = (match->data != NULL);
 
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 0c21653ff9f..28afc86e069 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -1324,7 +1324,7 @@ static int __devinit sparc_lance_probe_one(struct of_device *op,
 					   struct of_device *ledma,
 					   struct of_device *lebuffer)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	static unsigned version_printed;
 	struct lance_private *lp;
 	struct net_device *dev;
@@ -1411,7 +1411,7 @@ static int __devinit sparc_lance_probe_one(struct of_device *op,
 
 	lp->burst_sizes = 0;
 	if (lp->ledma) {
-		struct device_node *ledma_dp = ledma->node;
+		struct device_node *ledma_dp = ledma->dev.of_node;
 		struct device_node *sbus_dp;
 		unsigned int sbmask;
 		const char *prop;
@@ -1507,7 +1507,7 @@ fail:
 static int __devinit sunlance_sbus_probe(struct of_device *op, const struct of_device_id *match)
 {
 	struct of_device *parent = to_of_device(op->dev.parent);
-	struct device_node *parent_dp = parent->node;
+	struct device_node *parent_dp = parent->dev.of_node;
 	int err;
 
 	if (!strcmp(parent_dp->name, "ledma")) {
diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c
index be637dce944..9864f4fa69d 100644
--- a/drivers/net/sunqe.c
+++ b/drivers/net/sunqe.c
@@ -696,7 +696,7 @@ static void qe_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 	strcpy(info->version, "3.0");
 
 	op = qep->op;
-	regs = of_get_property(op->node, "reg", NULL);
+	regs = of_get_property(op->dev.of_node, "reg", NULL);
 	if (regs)
 		sprintf(info->bus_info, "SBUS:%d", regs->which_io);
 
@@ -800,7 +800,7 @@ static struct sunqec * __devinit get_qec(struct of_device *child)
 			if (qec_global_reset(qecp->gregs))
 				goto fail;
 
-			qecp->qec_bursts = qec_get_burst(op->node);
+			qecp->qec_bursts = qec_get_burst(op->dev.of_node);
 
 			qec_init_once(qecp, op);
 
@@ -858,7 +858,7 @@ static int __devinit qec_ether_init(struct of_device *op)
 
 	res = -ENODEV;
 
-	i = of_getintprop_default(op->node, "channel#", -1);
+	i = of_getintprop_default(op->dev.of_node, "channel#", -1);
 	if (i == -1)
 		goto fail;
 	qe->channel = i;
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 1b0aef37e49..88ebfc97673 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3721,7 +3721,7 @@ static const struct net_device_ops ucc_geth_netdev_ops = {
 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
 {
 	struct device *device = &ofdev->dev;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct net_device *dev = NULL;
 	struct ucc_geth_private *ugeth = NULL;
 	struct ucc_geth_info *ug_info;
diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index 1e783ccc306..3dd2416db54 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -1090,7 +1090,7 @@ static void xemaclite_remove_ndev(struct net_device *ndev)
  */
 static bool get_bool(struct of_device *ofdev, const char *s)
 {
-	u32 *p = (u32 *)of_get_property(ofdev->node, s, NULL);
+	u32 *p = (u32 *)of_get_property(ofdev->dev.of_node, s, NULL);
 
 	if (p) {
 		return (bool)*p;
@@ -1132,14 +1132,14 @@ static int __devinit xemaclite_of_probe(struct of_device *ofdev,
 	dev_info(dev, "Device Tree Probing\n");
 
 	/* Get iospace for the device */
-	rc = of_address_to_resource(ofdev->node, 0, &r_mem);
+	rc = of_address_to_resource(ofdev->dev.of_node, 0, &r_mem);
 	if (rc) {
 		dev_err(dev, "invalid address\n");
 		return rc;
 	}
 
 	/* Get IRQ for the device */
-	rc = of_irq_to_resource(ofdev->node, 0, &r_irq);
+	rc = of_irq_to_resource(ofdev->dev.of_node, 0, &r_irq);
 	if (rc == NO_IRQ) {
 		dev_err(dev, "no IRQ found\n");
 		return rc;
@@ -1184,7 +1184,7 @@ static int __devinit xemaclite_of_probe(struct of_device *ofdev,
 	lp->next_rx_buf_to_use = 0x0;
 	lp->tx_ping_pong = get_bool(ofdev, "xlnx,tx-ping-pong");
 	lp->rx_ping_pong = get_bool(ofdev, "xlnx,rx-ping-pong");
-	mac_address = of_get_mac_address(ofdev->node);
+	mac_address = of_get_mac_address(ofdev->dev.of_node);
 
 	if (mac_address)
 		/* Set the MAC address. */
@@ -1199,7 +1199,7 @@ static int __devinit xemaclite_of_probe(struct of_device *ofdev,
 	/* Set the MAC address in the EmacLite device */
 	xemaclite_update_address(lp, ndev->dev_addr);
 
-	lp->phy_node = of_parse_phandle(ofdev->node, "phy-handle", 0);
+	lp->phy_node = of_parse_phandle(ofdev->dev.of_node, "phy-handle", 0);
 	rc = xemaclite_mdio_setup(lp, &ofdev->dev);
 	if (rc)
 		dev_warn(&ofdev->dev, "error registering MDIO bus\n");
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 224ae6bc67b..24068bbbce1 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -21,9 +21,9 @@
 const struct of_device_id *of_match_device(const struct of_device_id *matches,
 					const struct of_device *dev)
 {
-	if (!dev->node)
+	if (!dev->dev.of_node)
 		return NULL;
-	return of_match_node(matches, dev->node);
+	return of_match_node(matches, dev->dev.of_node);
 }
 EXPORT_SYMBOL(of_match_device);
 
@@ -54,7 +54,7 @@ static ssize_t devspec_show(struct device *dev,
 	struct of_device *ofdev;
 
 	ofdev = to_of_device(dev);
-	return sprintf(buf, "%s\n", ofdev->node->full_name);
+	return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name);
 }
 
 static ssize_t name_show(struct device *dev,
@@ -63,7 +63,7 @@ static ssize_t name_show(struct device *dev,
 	struct of_device *ofdev;
 
 	ofdev = to_of_device(dev);
-	return sprintf(buf, "%s\n", ofdev->node->name);
+	return sprintf(buf, "%s\n", ofdev->dev.of_node->name);
 }
 
 static ssize_t modalias_show(struct device *dev,
@@ -97,14 +97,14 @@ void of_release_dev(struct device *dev)
 	struct of_device *ofdev;
 
 	ofdev = to_of_device(dev);
-	of_node_put(ofdev->node);
+	of_node_put(ofdev->dev.of_node);
 	kfree(ofdev);
 }
 EXPORT_SYMBOL(of_release_dev);
 
 int of_device_register(struct of_device *ofdev)
 {
-	BUG_ON(ofdev->node == NULL);
+	BUG_ON(ofdev->dev.of_node == NULL);
 
 	device_initialize(&ofdev->dev);
 
@@ -112,7 +112,7 @@ int of_device_register(struct of_device *ofdev)
 	 * the parent. If there is no parent defined, set the node
 	 * explicitly */
 	if (!ofdev->dev.parent)
-		set_dev_node(&ofdev->dev, of_node_to_nid(ofdev->node));
+		set_dev_node(&ofdev->dev, of_node_to_nid(ofdev->dev.of_node));
 
 	return device_add(&ofdev->dev);
 }
@@ -132,11 +132,11 @@ ssize_t of_device_get_modalias(struct of_device *ofdev,
 	ssize_t tsize, csize, repend;
 
 	/* Name & Type */
-	csize = snprintf(str, len, "of:N%sT%s",
-				ofdev->node->name, ofdev->node->type);
+	csize = snprintf(str, len, "of:N%sT%s", ofdev->dev.of_node->name,
+			 ofdev->dev.of_node->type);
 
 	/* Get compatible property if any */
-	compat = of_get_property(ofdev->node, "compatible", &cplen);
+	compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen);
 	if (!compat)
 		return csize;
 
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index e690a2aa6fe..604ba966e1c 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -69,7 +69,7 @@ EXPORT_SYMBOL(of_register_i2c_devices);
 
 static int of_dev_node_match(struct device *dev, void *data)
 {
-        return dev_archdata_get_node(&dev->archdata) == data;
+        return dev->of_node == data;
 }
 
 /* must call put_device() when done with returned i2c_client device */
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 12090f57dc8..01d794abe10 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -101,7 +101,7 @@ EXPORT_SYMBOL(of_mdiobus_register);
 /* Helper function for of_phy_find_device */
 static int of_phy_match(struct device *dev, void *phy_np)
 {
-	return dev_archdata_get_node(&dev->archdata) == phy_np;
+	return dev->of_node == phy_np;
 }
 
 /**
@@ -167,7 +167,7 @@ struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
 	if (!dev->dev.parent)
 		return NULL;
 
-	net_np = dev_archdata_get_node(&dev->dev.parent->archdata);
+	net_np = dev->dev.parent->of_node;
 	if (!net_np)
 		return NULL;
 
diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c
index 2e59fe947d2..a22d32d71bf 100644
--- a/drivers/pcmcia/electra_cf.c
+++ b/drivers/pcmcia/electra_cf.c
@@ -185,7 +185,7 @@ static int __devinit electra_cf_probe(struct of_device *ofdev,
 				      const struct of_device_id *match)
 {
 	struct device *device = &ofdev->dev;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct electra_cf_socket   *cf;
 	struct resource mem, io;
 	int status;
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index b4951eb0358..103fdf6b0b8 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -565,9 +565,9 @@ int bbc_envctrl_init(struct bbc_i2c_bus *bp)
 	int devidx = 0;
 
 	while ((op = bbc_i2c_getdev(bp, devidx++)) != NULL) {
-		if (!strcmp(op->node->name, "temperature"))
+		if (!strcmp(op->dev.of_node->name, "temperature"))
 			attach_one_temp(bp, op, temp_index++);
-		if (!strcmp(op->node->name, "fan-control"))
+		if (!strcmp(op->dev.of_node->name, "fan-control"))
 			attach_one_fan(bp, op, fan_index++);
 	}
 	if (temp_index != 0 && fan_index != 0) {
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 7e30e5f6e03..1543ac32b79 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -97,7 +97,7 @@ struct bbc_i2c_client *bbc_i2c_attach(struct bbc_i2c_bus *bp, struct of_device *
 	client->bp = bp;
 	client->op = op;
 
-	reg = of_get_property(op->node, "reg", NULL);
+	reg = of_get_property(op->dev.of_node, "reg", NULL);
 	if (!reg) {
 		kfree(client);
 		return NULL;
@@ -327,7 +327,7 @@ static struct bbc_i2c_bus * __init attach_one_i2c(struct of_device *op, int inde
 	spin_lock_init(&bp->lock);
 
 	entry = 0;
-	for (dp = op->node->child;
+	for (dp = op->dev.of_node->child;
 	     dp && entry < 8;
 	     dp = dp->sibling, entry++) {
 		struct of_device *child_op;
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 3e59189f413..7fc7f34f346 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -216,7 +216,7 @@ static int __devinit d7s_probe(struct of_device *op,
 	writeb(regs,  p->regs);
 
 	printk(KERN_INFO PFX "7-Segment Display%s at [%s:0x%llx] %s\n",
-	       op->node->full_name,
+	       op->dev.of_node->full_name,
 	       (regs & D7S_FLIP) ? " (FLIPPED)" : "",
 	       op->resource[0].start,
 	       sol_compat ? "in sol_compat mode" : "");
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index c6e2eff1940..a5fe20faf4f 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -1043,7 +1043,7 @@ static int __devinit envctrl_probe(struct of_device *op,
 		return -ENOMEM;
 
 	index = 0;
-	dp = op->node->child;
+	dp = op->dev.of_node->child;
 	while (dp) {
 		if (!strcmp(dp->name, "gpio")) {
 			i2c_childlist[index].i2ctype = I2C_GPIO;
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 19f255b97c8..202ff8f75af 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -162,7 +162,7 @@ static struct miscdevice flash_dev = { FLASH_MINOR, "flash", &flash_fops };
 static int __devinit flash_probe(struct of_device *op,
 				 const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct device_node *parent;
 
 	parent = dp->parent;
@@ -184,7 +184,7 @@ static int __devinit flash_probe(struct of_device *op,
 	flash.busy = 0;
 
 	printk(KERN_INFO "%s: OBP Flash, RD %lx[%lx] WR %lx[%lx]\n",
-	       op->node->full_name,
+	       op->dev.of_node->full_name,
 	       flash.read_base, flash.read_size,
 	       flash.write_base, flash.write_size);
 
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index 2c56fd56ec6..acc6738aa61 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -382,7 +382,7 @@ static int __devinit uctrl_probe(struct of_device *op,
 
 	sbus_writel(UCTRL_INTR_RXNE_REQ|UCTRL_INTR_RXNE_MSK, &p->regs->uctrl_intr);
 	printk(KERN_INFO "%s: uctrl regs[0x%p] (irq %d)\n",
-	       op->node->full_name, p->regs, p->irq);
+	       op->dev.of_node->full_name, p->regs, p->irq);
 	uctrl_get_event_status(p);
 	uctrl_get_external_status(p);
 
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index c2eea711a5c..60cd4ec51ea 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1157,7 +1157,7 @@ static void ibmvfc_gather_partition_info(struct ibmvfc_host *vhost)
 static void ibmvfc_set_login_info(struct ibmvfc_host *vhost)
 {
 	struct ibmvfc_npiv_login *login_info = &vhost->login_info;
-	struct device_node *of_node = vhost->dev->archdata.of_node;
+	struct device_node *of_node = vhost->dev->of_node;
 	const char *location;
 
 	memset(login_info, 0, sizeof(*login_info));
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index ff5ec5ac1fb..cc38fefc261 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -957,7 +957,7 @@ static void send_mad_capabilities(struct ibmvscsi_host_data *hostdata)
 	struct viosrp_capabilities *req;
 	struct srp_event_struct *evt_struct;
 	unsigned long flags;
-	struct device_node *of_node = hostdata->dev->archdata.of_node;
+	struct device_node *of_node = hostdata->dev->of_node;
 	const char *location;
 
 	evt_struct = get_event_struct(&hostdata->pool);
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index aa406497eeb..35433d23b7c 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -755,7 +755,7 @@ static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti)
 	struct of_device *op = qpti->op;
 	struct device_node *dp;
 
-	dp = op->node;
+	dp = op->dev.of_node;
 
 	qpti->scsi_id = of_getintprop_default(dp, "initiator-id", -1);
 	if (qpti->scsi_id == -1)
@@ -776,8 +776,8 @@ static void qpti_get_bursts(struct qlogicpti *qpti)
 	struct of_device *op = qpti->op;
 	u8 bursts, bmask;
 
-	bursts = of_getintprop_default(op->node, "burst-sizes", 0xff);
-	bmask = of_getintprop_default(op->node->parent, "burst-sizes", 0xff);
+	bursts = of_getintprop_default(op->dev.of_node, "burst-sizes", 0xff);
+	bmask = of_getintprop_default(op->dev.of_node->parent, "burst-sizes", 0xff);
 	if (bmask != 0xff)
 		bursts &= bmask;
 	if (bursts == 0xff ||
@@ -1293,7 +1293,7 @@ static struct scsi_host_template qpti_template = {
 static int __devinit qpti_sbus_probe(struct of_device *op, const struct of_device_id *match)
 {
 	struct scsi_host_template *tpnt = match->data;
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct Scsi_Host *host;
 	struct qlogicpti *qpti;
 	static int nqptis;
@@ -1315,7 +1315,7 @@ static int __devinit qpti_sbus_probe(struct of_device *op, const struct of_devic
 	qpti->qhost = host;
 	qpti->op = op;
 	qpti->qpti_id = nqptis;
-	strcpy(qpti->prom_name, op->node->name);
+	strcpy(qpti->prom_name, op->dev.of_node->name);
 	qpti->is_pti = strcmp(qpti->prom_name, "QLGC,isp");
 
 	if (qpti_map_regs(qpti) < 0)
diff --git a/drivers/scsi/sun_esp.c b/drivers/scsi/sun_esp.c
index fc23d273fb1..151df73df47 100644
--- a/drivers/scsi/sun_esp.c
+++ b/drivers/scsi/sun_esp.c
@@ -125,7 +125,7 @@ static void __devinit esp_get_scsi_id(struct esp *esp, struct of_device *espdma)
 	struct of_device *op = esp->dev;
 	struct device_node *dp;
 
-	dp = op->node;
+	dp = op->dev.of_node;
 	esp->scsi_id = of_getintprop_default(dp, "initiator-id", 0xff);
 	if (esp->scsi_id != 0xff)
 		goto done;
@@ -134,7 +134,7 @@ static void __devinit esp_get_scsi_id(struct esp *esp, struct of_device *espdma)
 	if (esp->scsi_id != 0xff)
 		goto done;
 
-	esp->scsi_id = of_getintprop_default(espdma->node,
+	esp->scsi_id = of_getintprop_default(espdma->dev.of_node,
 					     "scsi-initiator-id", 7);
 
 done:
@@ -147,7 +147,7 @@ static void __devinit esp_get_differential(struct esp *esp)
 	struct of_device *op = esp->dev;
 	struct device_node *dp;
 
-	dp = op->node;
+	dp = op->dev.of_node;
 	if (of_find_property(dp, "differential", NULL))
 		esp->flags |= ESP_FLAG_DIFFERENTIAL;
 	else
@@ -160,7 +160,7 @@ static void __devinit esp_get_clock_params(struct esp *esp)
 	struct device_node *bus_dp, *dp;
 	int fmhz;
 
-	dp = op->node;
+	dp = op->dev.of_node;
 	bus_dp = dp->parent;
 
 	fmhz = of_getintprop_default(dp, "clock-frequency", 0);
@@ -172,12 +172,12 @@ static void __devinit esp_get_clock_params(struct esp *esp)
 
 static void __devinit esp_get_bursts(struct esp *esp, struct of_device *dma_of)
 {
-	struct device_node *dma_dp = dma_of->node;
+	struct device_node *dma_dp = dma_of->dev.of_node;
 	struct of_device *op = esp->dev;
 	struct device_node *dp;
 	u8 bursts, val;
 
-	dp = op->node;
+	dp = op->dev.of_node;
 	bursts = of_getintprop_default(dp, "burst-sizes", 0xff);
 	val = of_getintprop_default(dma_dp, "burst-sizes", 0xff);
 	if (val != 0xff)
@@ -565,7 +565,7 @@ fail:
 static int __devinit esp_sbus_probe(struct of_device *op, const struct of_device_id *match)
 {
 	struct device_node *dma_node = NULL;
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct of_device *dma_of = NULL;
 	int hme = 0;
 
@@ -574,7 +574,7 @@ static int __devinit esp_sbus_probe(struct of_device *op, const struct of_device
 	     !strcmp(dp->parent->name, "dma")))
 		dma_node = dp->parent;
 	else if (!strcmp(dp->name, "SUNW,fas")) {
-		dma_node = op->node;
+		dma_node = op->dev.of_node;
 		hme = 1;
 	}
 	if (dma_node)
diff --git a/drivers/serial/apbuart.c b/drivers/serial/apbuart.c
index fe91319b5f6..52015d7031b 100644
--- a/drivers/serial/apbuart.c
+++ b/drivers/serial/apbuart.c
@@ -559,7 +559,7 @@ static int __devinit apbuart_probe(struct of_device *op,
 
 	i = 0;
 	for (i = 0; i < grlib_apbuart_port_nr; i++) {
-		if (op->node == grlib_apbuart_nodes[i])
+		if (op->dev.of_node == grlib_apbuart_nodes[i])
 			break;
 	}
 
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 300cea768d7..7866cdf8a75 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -1342,7 +1342,7 @@ static int __devinit cpm_uart_probe(struct of_device *ofdev,
 	/* initialize the device pointer for the port */
 	pinfo->port.dev = &ofdev->dev;
 
-	ret = cpm_uart_init_port(ofdev->node, pinfo);
+	ret = cpm_uart_init_port(ofdev->dev.of_node, pinfo);
 	if (ret)
 		return ret;
 
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 3119fddaedb..cb079387c5a 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -1328,14 +1328,14 @@ mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match)
 
 	/* Check validity & presence */
 	for (idx = 0; idx < MPC52xx_PSC_MAXNUM; idx++)
-		if (mpc52xx_uart_nodes[idx] == op->node)
+		if (mpc52xx_uart_nodes[idx] == op->dev.of_node)
 			break;
 	if (idx >= MPC52xx_PSC_MAXNUM)
 		return -EINVAL;
 	pr_debug("Found %s assigned to ttyPSC%x\n",
 		 mpc52xx_uart_nodes[idx]->full_name, idx);
 
-	uartclk = psc_ops->getuartclk(op->node);
+	uartclk = psc_ops->getuartclk(op->dev.of_node);
 	if (uartclk == 0) {
 		dev_dbg(&op->dev, "Could not find uart clock frequency!\n");
 		return -EINVAL;
@@ -1355,7 +1355,7 @@ mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match)
 	port->dev	= &op->dev;
 
 	/* Search for IRQ and mapbase */
-	ret = of_address_to_resource(op->node, 0, &res);
+	ret = of_address_to_resource(op->dev.of_node, 0, &res);
 	if (ret)
 		return ret;
 
@@ -1365,7 +1365,7 @@ mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match)
 		return -EINVAL;
 	}
 
-	psc_ops->get_irq(port, op->node);
+	psc_ops->get_irq(port, op->dev.of_node);
 	if (port->irq == NO_IRQ) {
 		dev_dbg(&op->dev, "Could not get irq\n");
 		return -EINVAL;
diff --git a/drivers/serial/nwpserial.c b/drivers/serial/nwpserial.c
index e1ab8ec0a4a..3c02fa96f28 100644
--- a/drivers/serial/nwpserial.c
+++ b/drivers/serial/nwpserial.c
@@ -344,7 +344,7 @@ int nwpserial_register_port(struct uart_port *port)
 
 	mutex_lock(&nwpserial_mutex);
 
-	dn = to_of_device(port->dev)->node;
+	dn = to_of_device(port->dev)->dev.of_node;
 	if (dn == NULL)
 		goto out;
 
diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index 4abfebdb0fc..29539805e59 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -31,7 +31,7 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev,
 					int type, struct uart_port *port)
 {
 	struct resource resource;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	const unsigned int *clk, *spd;
 	const u32 *prop;
 	int ret, prop_size;
@@ -88,7 +88,7 @@ static int __devinit of_platform_serial_probe(struct of_device *ofdev,
 	int port_type;
 	int ret;
 
-	if (of_find_property(ofdev->node, "used-by-rtas", NULL))
+	if (of_find_property(ofdev->dev.of_node, "used-by-rtas", NULL))
 		return -EBUSY;
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 4eaa043ca2a..1e43bf59c44 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1609,7 +1609,7 @@ static int pmz_attach(struct macio_dev *mdev, const struct of_device_id *match)
 	/* Iterate the pmz_ports array to find a matching entry
 	 */
 	for (i = 0; i < MAX_ZS_PORTS; i++)
-		if (pmz_ports[i].node == mdev->ofdev.node) {
+		if (pmz_ports[i].node == mdev->ofdev.dev.of_node) {
 			struct uart_pmac_port *uap = &pmz_ports[i];
 
 			uap->dev = mdev;
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index d14cca7fb88..d1eedf13d85 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -565,7 +565,7 @@ static int __devinit hv_probe(struct of_device *op, const struct of_device_id *m
 	if (err)
 		goto out_free_con_read_page;
 
-	sunserial_console_match(&sunhv_console, op->node,
+	sunserial_console_match(&sunhv_console, op->dev.of_node,
 				&sunhv_reg, port->line, false);
 
 	err = uart_add_one_port(&sunhv_reg, port);
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index d2e0321049e..9176c41b74a 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -883,7 +883,7 @@ static int sunsab_console_setup(struct console *con, char *options)
 	printk("Console: ttyS%d (SAB82532)\n",
 	       (sunsab_reg.minor - 64) + con->index);
 
-	sunserial_console_termios(con, to_of_device(up->port.dev)->node);
+	sunserial_console_termios(con, to_of_device(up->port.dev)->dev.of_node);
 
 	switch (con->cflag & CBAUD) {
 	case B150: baud = 150; break;
@@ -1026,11 +1026,11 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id *
 	if (err)
 		goto out1;
 
-	sunserial_console_match(SUNSAB_CONSOLE(), op->node,
+	sunserial_console_match(SUNSAB_CONSOLE(), op->dev.of_node,
 				&sunsab_reg, up[0].port.line,
 				false);
 
-	sunserial_console_match(SUNSAB_CONSOLE(), op->node,
+	sunserial_console_match(SUNSAB_CONSOLE(), op->dev.of_node,
 				&sunsab_reg, up[1].port.line,
 				false);
 
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 01f7731e59b..a647b244807 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1200,7 +1200,7 @@ static int __devinit sunsu_kbd_ms_init(struct uart_sunsu_port *up)
 		return -ENODEV;
 
 	printk("%s: %s port at %llx, irq %u\n",
-	       to_of_device(up->port.dev)->node->full_name,
+	       to_of_device(up->port.dev)->dev.of_node->full_name,
 	       (up->su_type == SU_PORT_KBD) ? "Keyboard" : "Mouse",
 	       (unsigned long long) up->port.mapbase,
 	       up->port.irq);
@@ -1352,7 +1352,7 @@ static int __init sunsu_console_setup(struct console *co, char *options)
 	spin_lock_init(&port->lock);
 
 	/* Get firmware console settings.  */
-	sunserial_console_termios(co, to_of_device(port->dev)->node);
+	sunserial_console_termios(co, to_of_device(port->dev)->dev.of_node);
 
 	memset(&termios, 0, sizeof(struct ktermios));
 	termios.c_cflag = co->cflag;
@@ -1409,7 +1409,7 @@ static enum su_type __devinit su_get_type(struct device_node *dp)
 static int __devinit su_probe(struct of_device *op, const struct of_device_id *match)
 {
 	static int inst;
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct uart_sunsu_port *up;
 	struct resource *rp;
 	enum su_type type;
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 2c7a66af4f5..20f9be8cd94 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1180,7 +1180,7 @@ static int __init sunzilog_console_setup(struct console *con, char *options)
 	       (sunzilog_reg.minor - 64) + con->index, con->index);
 
 	/* Get firmware console settings.  */
-	sunserial_console_termios(con, to_of_device(up->port.dev)->node);
+	sunserial_console_termios(con, to_of_device(up->port.dev)->dev.of_node);
 
 	/* Firmware console speed is limited to 150-->38400 baud so
 	 * this hackish cflag thing is OK.
@@ -1358,7 +1358,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m
 	int keyboard_mouse = 0;
 	int err;
 
-	if (of_find_property(op->node, "keyboard", NULL))
+	if (of_find_property(op->dev.of_node, "keyboard", NULL))
 		keyboard_mouse = 1;
 
 	/* uarts must come before keyboards/mice */
@@ -1415,7 +1415,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m
 	sunzilog_init_hw(&up[1]);
 
 	if (!keyboard_mouse) {
-		if (sunserial_console_match(SUNZILOG_CONSOLE(), op->node,
+		if (sunserial_console_match(SUNZILOG_CONSOLE(), op->dev.of_node,
 					    &sunzilog_reg, up[0].port.line,
 					    false))
 			up->flags |= SUNZILOG_FLAG_IS_CONS;
@@ -1425,7 +1425,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m
 				   rp, sizeof(struct zilog_layout));
 			return err;
 		}
-		if (sunserial_console_match(SUNZILOG_CONSOLE(), op->node,
+		if (sunserial_console_match(SUNZILOG_CONSOLE(), op->dev.of_node,
 					    &sunzilog_reg, up[1].port.line,
 					    false))
 			up->flags |= SUNZILOG_FLAG_IS_CONS;
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index f0a6c61b17f..8fc2583d06f 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -591,15 +591,15 @@ ulite_of_probe(struct of_device *op, const struct of_device_id *match)
 
 	dev_dbg(&op->dev, "%s(%p, %p)\n", __func__, op, match);
 
-	rc = of_address_to_resource(op->node, 0, &res);
+	rc = of_address_to_resource(op->dev.of_node, 0, &res);
 	if (rc) {
 		dev_err(&op->dev, "invalid address\n");
 		return rc;
 	}
 
-	irq = irq_of_parse_and_map(op->node, 0);
+	irq = irq_of_parse_and_map(op->dev.of_node, 0);
 
-	id = of_get_property(op->node, "port-number", NULL);
+	id = of_get_property(op->dev.of_node, "port-number", NULL);
 
 	return ulite_assign(&op->dev, id ? *id : -1, res.start+3, irq);
 }
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index 074904912f6..529890f044e 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -1197,7 +1197,7 @@ static void uart_firmware_cont(const struct firmware *fw, void *context)
 static int ucc_uart_probe(struct of_device *ofdev,
 	const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	const unsigned int *iprop;      /* Integer OF properties */
 	const char *sprop;      /* String OF properties */
 	struct uart_qe_port *qe_port = NULL;
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 77d4cc88ede..7fcf2840586 100644
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -472,18 +472,18 @@ static int __init mpc52xx_psc_spi_of_probe(struct of_device *op,
 	s16 id = -1;
 	int rc;
 
-	regaddr_p = of_get_address(op->node, 0, &size64, NULL);
+	regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL);
 	if (!regaddr_p) {
 		dev_err(&op->dev, "Invalid PSC address\n");
 		return -EINVAL;
 	}
-	regaddr64 = of_translate_address(op->node, regaddr_p);
+	regaddr64 = of_translate_address(op->dev.of_node, regaddr_p);
 
 	/* get PSC id (1..6, used by port_config) */
 	if (op->dev.platform_data == NULL) {
 		const u32 *psc_nump;
 
-		psc_nump = of_get_property(op->node, "cell-index", NULL);
+		psc_nump = of_get_property(op->dev.of_node, "cell-index", NULL);
 		if (!psc_nump || *psc_nump > 5) {
 			dev_err(&op->dev, "Invalid cell-index property\n");
 			return -EINVAL;
@@ -492,9 +492,10 @@ static int __init mpc52xx_psc_spi_of_probe(struct of_device *op,
 	}
 
 	rc = mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64,
-					irq_of_parse_and_map(op->node, 0), id);
+				irq_of_parse_and_map(op->dev.of_node, 0), id);
 	if (rc == 0)
-		of_register_spi_devices(dev_get_drvdata(&op->dev), op->node);
+		of_register_spi_devices(dev_get_drvdata(&op->dev),
+					op->dev.of_node);
 
 	return rc;
 }
diff --git a/drivers/spi/mpc52xx_spi.c b/drivers/spi/mpc52xx_spi.c
index cd68f1ce5cc..6573233bf7c 100644
--- a/drivers/spi/mpc52xx_spi.c
+++ b/drivers/spi/mpc52xx_spi.c
@@ -403,7 +403,7 @@ static int __devinit mpc52xx_spi_probe(struct of_device *op,
 
 	/* MMIO registers */
 	dev_dbg(&op->dev, "probing mpc5200 SPI device\n");
-	regs = of_iomap(op->node, 0);
+	regs = of_iomap(op->dev.of_node, 0);
 	if (!regs)
 		return -ENODEV;
 
@@ -445,11 +445,11 @@ static int __devinit mpc52xx_spi_probe(struct of_device *op,
 	ms = spi_master_get_devdata(master);
 	ms->master = master;
 	ms->regs = regs;
-	ms->irq0 = irq_of_parse_and_map(op->node, 0);
-	ms->irq1 = irq_of_parse_and_map(op->node, 1);
+	ms->irq0 = irq_of_parse_and_map(op->dev.of_node, 0);
+	ms->irq1 = irq_of_parse_and_map(op->dev.of_node, 1);
 	ms->state = mpc52xx_spi_fsmstate_idle;
-	ms->ipb_freq = mpc5xxx_get_bus_frequency(op->node);
-	ms->gpio_cs_count = of_gpio_count(op->node);
+	ms->ipb_freq = mpc5xxx_get_bus_frequency(op->dev.of_node);
+	ms->gpio_cs_count = of_gpio_count(op->dev.of_node);
 	if (ms->gpio_cs_count > 0) {
 		master->num_chipselect = ms->gpio_cs_count;
 		ms->gpio_cs = kmalloc(ms->gpio_cs_count * sizeof(unsigned int),
@@ -460,7 +460,7 @@ static int __devinit mpc52xx_spi_probe(struct of_device *op,
 		}
 
 		for (i = 0; i < ms->gpio_cs_count; i++) {
-			gpio_cs = of_get_gpio(op->node, i);
+			gpio_cs = of_get_gpio(op->dev.of_node, i);
 			if (gpio_cs < 0) {
 				dev_err(&op->dev,
 					"could not parse the gpio field "
@@ -512,7 +512,7 @@ static int __devinit mpc52xx_spi_probe(struct of_device *op,
 	if (rc)
 		goto err_register;
 
-	of_register_spi_devices(master, op->node);
+	of_register_spi_devices(master, op->dev.of_node);
 	dev_info(&ms->master->dev, "registered MPC5200 SPI bus\n");
 
 	return rc;
diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c
index 14d05231650..7572f98a419 100644
--- a/drivers/spi/spi_mpc8xxx.c
+++ b/drivers/spi/spi_mpc8xxx.c
@@ -797,7 +797,7 @@ static void mpc8xxx_spi_free_dummy_rx(void)
 static unsigned long mpc8xxx_spi_cpm_get_pram(struct mpc8xxx_spi *mspi)
 {
 	struct device *dev = mspi->dev;
-	struct device_node *np = dev_archdata_get_node(&dev->archdata);
+	struct device_node *np = dev->of_node;
 	const u32 *iprop;
 	int size;
 	unsigned long spi_base_ofs;
@@ -851,7 +851,7 @@ static unsigned long mpc8xxx_spi_cpm_get_pram(struct mpc8xxx_spi *mspi)
 static int mpc8xxx_spi_cpm_init(struct mpc8xxx_spi *mspi)
 {
 	struct device *dev = mspi->dev;
-	struct device_node *np = dev_archdata_get_node(&dev->archdata);
+	struct device_node *np = dev->of_node;
 	const u32 *iprop;
 	int size;
 	unsigned long pram_ofs;
@@ -1123,7 +1123,7 @@ static void mpc8xxx_spi_cs_control(struct spi_device *spi, bool on)
 
 static int of_mpc8xxx_spi_get_chipselects(struct device *dev)
 {
-	struct device_node *np = dev_archdata_get_node(&dev->archdata);
+	struct device_node *np = dev->of_node;
 	struct fsl_spi_platform_data *pdata = dev->platform_data;
 	struct mpc8xxx_spi_probe_info *pinfo = to_of_pinfo(pdata);
 	unsigned int ngpios;
@@ -1224,7 +1224,7 @@ static int __devinit of_mpc8xxx_spi_probe(struct of_device *ofdev,
 					  const struct of_device_id *ofid)
 {
 	struct device *dev = &ofdev->dev;
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct mpc8xxx_spi_probe_info *pinfo;
 	struct fsl_spi_platform_data *pdata;
 	struct spi_master *master;
diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
index 8df33b8a634..ad0662354a5 100644
--- a/drivers/usb/host/ehci-ppc-of.c
+++ b/drivers/usb/host/ehci-ppc-of.c
@@ -108,7 +108,7 @@ ppc44x_enable_bmt(struct device_node *dn)
 static int __devinit
 ehci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct device_node *dn = op->node;
+	struct device_node *dn = op->dev.of_node;
 	struct usb_hcd *hcd;
 	struct ehci_hcd	*ehci = NULL;
 	struct resource res;
diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index 15379c63614..6135732d805 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -565,7 +565,7 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
 				   const struct of_device_id *ofid)
 {
 	struct device *dev = &ofdev->dev;
-	struct device_node *node = ofdev->node;
+	struct device_node *node = dev->of_node;
 	struct usb_hcd *hcd;
 	struct fhci_hcd *fhci;
 	struct resource usb_regs;
@@ -670,7 +670,7 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
 	}
 
 	for (j = 0; j < NUM_PINS; j++) {
-		fhci->pins[j] = qe_pin_request(ofdev->node, j);
+		fhci->pins[j] = qe_pin_request(node, j);
 		if (IS_ERR(fhci->pins[j])) {
 			ret = PTR_ERR(fhci->pins[j]);
 			dev_err(dev, "can't get pin %d: %d\n", j, ret);
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 4293cfd28d6..36360e24a9b 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -31,7 +31,7 @@ static int of_isp1760_probe(struct of_device *dev,
 		const struct of_device_id *match)
 {
 	struct usb_hcd *hcd;
-	struct device_node *dp = dev->node;
+	struct device_node *dp = dev->dev.of_node;
 	struct resource *res;
 	struct resource memory;
 	struct of_irq oirq;
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 103263c230c..003aea21c35 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -83,7 +83,7 @@ static const struct hc_driver ohci_ppc_of_hc_driver = {
 static int __devinit
 ohci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct device_node *dn = op->node;
+	struct device_node *dn = op->dev.of_node;
 	struct usb_hcd *hcd;
 	struct ohci_hcd	*ohci;
 	struct resource res;
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 6d0fcb43696..7f59b0fe5dc 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -740,7 +740,7 @@ static void cg6_unmap_regs(struct of_device *op, struct fb_info *info,
 static int __devinit cg6_probe(struct of_device *op,
 				const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct fb_info *info;
 	struct cg6_par *par;
 	int linebytes, err;
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c
index a42fabab69d..ddd46f71e25 100644
--- a/drivers/video/ffb.c
+++ b/drivers/video/ffb.c
@@ -896,7 +896,7 @@ static void ffb_init_fix(struct fb_info *info)
 static int __devinit ffb_probe(struct of_device *op,
 			       const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct ffb_fbc __iomem *fbc;
 	struct ffb_dac __iomem *dac;
 	struct fb_info *info;
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index 994358a4f30..930a2522a63 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -1421,7 +1421,7 @@ static ssize_t show_monitor(struct device *device,
 static int __devinit fsl_diu_probe(struct of_device *ofdev,
 	const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct mfb_info *mfbi;
 	phys_addr_t dummy_ad_addr;
 	int ret, i, error = 0;
diff --git a/drivers/video/platinumfb.c b/drivers/video/platinumfb.c
index 8a204e7a5b5..69d78d50f0f 100644
--- a/drivers/video/platinumfb.c
+++ b/drivers/video/platinumfb.c
@@ -536,7 +536,7 @@ static int __init platinumfb_setup(char *options)
 static int __devinit platinumfb_probe(struct of_device* odev,
 				      const struct of_device_id *match)
 {
-	struct device_node	*dp = odev->node;
+	struct device_node	*dp = odev->dev.of_node;
 	struct fb_info		*info;
 	struct fb_info_platinum	*pinfo;
 	volatile __u8		*fbuffer;
diff --git a/drivers/video/sunxvr1000.c b/drivers/video/sunxvr1000.c
index 23e69e834a1..ad92a200faf 100644
--- a/drivers/video/sunxvr1000.c
+++ b/drivers/video/sunxvr1000.c
@@ -114,7 +114,7 @@ static int __devinit gfb_set_fbinfo(struct gfb_info *gp)
 static int __devinit gfb_probe(struct of_device *op,
 			       const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct fb_info *info;
 	struct gfb_info *gp;
 	int err;
diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c
index 3fcb83f0388..6fcec553662 100644
--- a/drivers/video/xilinxfb.c
+++ b/drivers/video/xilinxfb.c
@@ -423,7 +423,7 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match)
 	 * To check whether the core is connected directly to DCR or PLB
 	 * interface and initialize the tft_access accordingly.
 	 */
-	p = (u32 *)of_get_property(op->node, "xlnx,dcr-splb-slave-if", NULL);
+	p = (u32 *)of_get_property(op->dev.of_node, "xlnx,dcr-splb-slave-if", NULL);
 	tft_access = p ? *p : 0;
 
 	/*
@@ -432,41 +432,41 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match)
 	 */
 	if (tft_access) {
 		drvdata->flags |= PLB_ACCESS_FLAG;
-		rc = of_address_to_resource(op->node, 0, &res);
+		rc = of_address_to_resource(op->dev.of_node, 0, &res);
 		if (rc) {
 			dev_err(&op->dev, "invalid address\n");
 			goto err;
 		}
 	} else {
 		res.start = 0;
-		start = dcr_resource_start(op->node, 0);
-		drvdata->dcr_len = dcr_resource_len(op->node, 0);
-		drvdata->dcr_host = dcr_map(op->node, start, drvdata->dcr_len);
+		start = dcr_resource_start(op->dev.of_node, 0);
+		drvdata->dcr_len = dcr_resource_len(op->dev.of_node, 0);
+		drvdata->dcr_host = dcr_map(op->dev.of_node, start, drvdata->dcr_len);
 		if (!DCR_MAP_OK(drvdata->dcr_host)) {
 			dev_err(&op->dev, "invalid DCR address\n");
 			goto err;
 		}
 	}
 
-	prop = of_get_property(op->node, "phys-size", &size);
+	prop = of_get_property(op->dev.of_node, "phys-size", &size);
 	if ((prop) && (size >= sizeof(u32)*2)) {
 		pdata.screen_width_mm = prop[0];
 		pdata.screen_height_mm = prop[1];
 	}
 
-	prop = of_get_property(op->node, "resolution", &size);
+	prop = of_get_property(op->dev.of_node, "resolution", &size);
 	if ((prop) && (size >= sizeof(u32)*2)) {
 		pdata.xres = prop[0];
 		pdata.yres = prop[1];
 	}
 
-	prop = of_get_property(op->node, "virtual-resolution", &size);
+	prop = of_get_property(op->dev.of_node, "virtual-resolution", &size);
 	if ((prop) && (size >= sizeof(u32)*2)) {
 		pdata.xvirt = prop[0];
 		pdata.yvirt = prop[1];
 	}
 
-	if (of_find_property(op->node, "rotate-display", NULL))
+	if (of_find_property(op->dev.of_node, "rotate-display", NULL))
 		pdata.rotate_screen = 1;
 
 	dev_set_drvdata(&op->dev, drvdata);
diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c
index ba2efce4b40..2fcc3cf7ef6 100644
--- a/drivers/watchdog/cpwd.c
+++ b/drivers/watchdog/cpwd.c
@@ -577,7 +577,7 @@ static int __devinit cpwd_probe(struct of_device *op,
 	 * interrupt_mask register cannot be written, so no timer
 	 * interrupts can be masked within the PLD.
 	 */
-	str_prop = of_get_property(op->node, "model", NULL);
+	str_prop = of_get_property(op->dev.of_node, "model", NULL);
 	p->broken = (str_prop && !strcmp(str_prop, WD_BADMODEL));
 
 	if (!p->enabled)
diff --git a/sound/aoa/fabrics/layout.c b/sound/aoa/fabrics/layout.c
index 1cd9b301df0..3fd1a7e2492 100644
--- a/sound/aoa/fabrics/layout.c
+++ b/sound/aoa/fabrics/layout.c
@@ -992,7 +992,7 @@ static int aoa_fabric_layout_probe(struct soundbus_dev *sdev)
 		return -ENODEV;
 
 	/* by breaking out we keep a reference */
-	while ((sound = of_get_next_child(sdev->ofdev.node, sound))) {
+	while ((sound = of_get_next_child(sdev->ofdev.dev.of_node, sound))) {
 		if (sound->type && strcasecmp(sound->type, "soundchip") == 0)
 			break;
 	}
diff --git a/sound/aoa/soundbus/core.c b/sound/aoa/soundbus/core.c
index fa8ab2815a9..99ca7120e26 100644
--- a/sound/aoa/soundbus/core.c
+++ b/sound/aoa/soundbus/core.c
@@ -74,11 +74,11 @@ static int soundbus_uevent(struct device *dev, struct kobj_uevent_env *env)
 	of = &soundbus_dev->ofdev;
 
 	/* stuff we want to pass to /sbin/hotplug */
-	retval = add_uevent_var(env, "OF_NAME=%s", of->node->name);
+	retval = add_uevent_var(env, "OF_NAME=%s", of->dev.of_node->name);
 	if (retval)
 		return retval;
 
-	retval = add_uevent_var(env, "OF_TYPE=%s", of->node->type);
+	retval = add_uevent_var(env, "OF_TYPE=%s", of->dev.of_node->type);
 	if (retval)
 		return retval;
 
@@ -86,7 +86,7 @@ static int soundbus_uevent(struct device *dev, struct kobj_uevent_env *env)
 	 * it's not really legal to split it out with commas. We split it
 	 * up using a number of environment variables instead. */
 
-	compat = of_get_property(of->node, "compatible", &cplen);
+	compat = of_get_property(of->dev.of_node, "compatible", &cplen);
 	while (compat && cplen > 0) {
 		int tmp = env->buflen;
 		retval = add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat);
@@ -169,7 +169,7 @@ int soundbus_add_one(struct soundbus_dev *dev)
 
 	/* sanity checks */
 	if (!dev->attach_codec ||
-	    !dev->ofdev.node ||
+	    !dev->ofdev.dev.of_node ||
 	    dev->pcmname ||
 	    dev->pcmid != -1) {
 		printk(KERN_ERR "soundbus: adding device failed sanity check!\n");
diff --git a/sound/aoa/soundbus/i2sbus/control.c b/sound/aoa/soundbus/i2sbus/control.c
index 47f854c2001..4dc9b49c02c 100644
--- a/sound/aoa/soundbus/i2sbus/control.c
+++ b/sound/aoa/soundbus/i2sbus/control.c
@@ -42,7 +42,7 @@ int i2sbus_control_add_dev(struct i2sbus_control *c,
 {
 	struct device_node *np;
 
-	np = i2sdev->sound.ofdev.node;
+	np = i2sdev->sound.ofdev.dev.of_node;
 	i2sdev->enable = pmf_find_function(np, "enable");
 	i2sdev->cell_enable = pmf_find_function(np, "cell-enable");
 	i2sdev->clock_enable = pmf_find_function(np, "clock-enable");
diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 9d6f3b176ed..7672b4d145a 100644
--- a/sound/aoa/soundbus/i2sbus/core.c
+++ b/sound/aoa/soundbus/i2sbus/core.c
@@ -221,8 +221,8 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 
 	mutex_init(&dev->lock);
 	spin_lock_init(&dev->low_lock);
-	dev->sound.ofdev.node = np;
 	dev->sound.ofdev.dma_mask = macio->ofdev.dma_mask;
+	dev->sound.ofdev.dev.of_node = np;
 	dev->sound.ofdev.dev.dma_mask = &dev->sound.ofdev.dma_mask;
 	dev->sound.ofdev.dev.parent = &macio->ofdev.dev;
 	dev->sound.ofdev.dev.release = i2sbus_release_dev;
@@ -346,7 +346,7 @@ static int i2sbus_probe(struct macio_dev* dev, const struct of_device_id *match)
 		return -ENODEV;
 	}
 
-	while ((np = of_get_next_child(dev->ofdev.node, np))) {
+	while ((np = of_get_next_child(dev->ofdev.dev.of_node, np))) {
 		if (of_device_is_compatible(np, "i2sbus") ||
 		    of_device_is_compatible(np, "i2s-modem")) {
 			got += i2sbus_add_dev(dev, control, np);
diff --git a/sound/aoa/soundbus/sysfs.c b/sound/aoa/soundbus/sysfs.c
index f580942b5c0..6496e754f00 100644
--- a/sound/aoa/soundbus/sysfs.c
+++ b/sound/aoa/soundbus/sysfs.c
@@ -9,7 +9,7 @@ field##_show (struct device *dev, struct device_attribute *attr,	\
               char *buf)						\
 {									\
 	struct soundbus_dev *mdev = to_soundbus_device (dev);		\
-	return sprintf (buf, format_string, mdev->ofdev.node->field);	\
+	return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
 }
 
 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
@@ -25,7 +25,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 		length = strlen(buf);
 	} else {
 		length = sprintf(buf, "of:N%sT%s\n",
-				 of->node->name, of->node->type);
+				 of->dev.of_node->name, of->dev.of_node->type);
 	}
 
 	return length;
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index d639e55c512..1d4e7164e80 100644
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -380,8 +380,8 @@ int mpc5200_audio_dma_create(struct of_device *op)
 	int ret;
 
 	/* Fetch the registers and IRQ of the PSC */
-	irq = irq_of_parse_and_map(op->node, 0);
-	if (of_address_to_resource(op->node, 0, &res)) {
+	irq = irq_of_parse_and_map(op->dev.of_node, 0);
+	if (of_address_to_resource(op->dev.of_node, 0, &res)) {
 		dev_err(&op->dev, "Missing reg property\n");
 		return -ENODEV;
 	}
@@ -399,7 +399,7 @@ int mpc5200_audio_dma_create(struct of_device *op)
 	}
 
 	/* Get the PSC ID */
-	prop = of_get_property(op->node, "cell-index", &size);
+	prop = of_get_property(op->dev.of_node, "cell-index", &size);
 	if (!prop || size < sizeof *prop) {
 		ret = -ENODEV;
 		goto out_free;
diff --git a/sound/soc/fsl/mpc5200_psc_i2s.c b/sound/soc/fsl/mpc5200_psc_i2s.c
index ce8de90fb94..748cc0f0df3 100644
--- a/sound/soc/fsl/mpc5200_psc_i2s.c
+++ b/sound/soc/fsl/mpc5200_psc_i2s.c
@@ -181,7 +181,7 @@ static int __devinit psc_i2s_of_probe(struct of_device *op,
 
 	/* Check for the codec handle.  If it is not present then we
 	 * are done */
-	if (!of_get_property(op->node, "codec-handle", NULL))
+	if (!of_get_property(op->dev.of_node, "codec-handle", NULL))
 		return 0;
 
 	/* Due to errata in the dma mode; need to line up enabling
diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c
index 83de1c81c8c..e3f78f255a6 100644
--- a/sound/soc/fsl/mpc8610_hpcd.c
+++ b/sound/soc/fsl/mpc8610_hpcd.c
@@ -203,7 +203,7 @@ static struct snd_soc_ops mpc8610_hpcd_ops = {
 static int mpc8610_hpcd_probe(struct of_device *ofdev,
 	const struct of_device_id *match)
 {
-	struct device_node *np = ofdev->node;
+	struct device_node *np = ofdev->dev.of_node;
 	struct device_node *codec_np = NULL;
 	struct device_node *guts_np = NULL;
 	struct device_node *dma_np = NULL;
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 7dcc06512e8..6a4c872e00d 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -2075,12 +2075,12 @@ static int __devinit cs4231_ebus_probe(struct of_device *op, const struct of_dev
 static int __devinit cs4231_probe(struct of_device *op, const struct of_device_id *match)
 {
 #ifdef EBUS_SUPPORT
-	if (!strcmp(op->node->parent->name, "ebus"))
+	if (!strcmp(op->dev.of_node->parent->name, "ebus"))
 		return cs4231_ebus_probe(op, match);
 #endif
 #ifdef SBUS_SUPPORT
-	if (!strcmp(op->node->parent->name, "sbus") ||
-	    !strcmp(op->node->parent->name, "sbi"))
+	if (!strcmp(op->dev.of_node->parent->name, "sbus") ||
+	    !strcmp(op->dev.of_node->parent->name, "sbi"))
 		return cs4231_sbus_probe(op, match);
 #endif
 	return -ENODEV;
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 2eab6ce4885..1b5192eb5ae 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -2651,7 +2651,7 @@ static int __devinit dbri_probe(struct of_device *op, const struct of_device_id
 
 	printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n",
 	       dev, dbri->regs,
-	       dbri->irq, op->node->name[9], dbri->mm.version);
+	       dbri->irq, op->dev.of_node->name[9], dbri->mm.version);
 	dev++;
 
 	return 0;

From 58f9b0b02414062eaff46716bc04b47d7e79add5 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:12:56 -0700
Subject: [PATCH 2047/3638] of: eliminate of_device->node and
 dev_archdata->{of,prom}_node

This patch eliminates the node pointer from struct of_device and the
of_node (or prom_node) pointer from struct dev_archdata since the node
pointer is now part of struct device proper when CONFIG_OF is set, and
all users of the old pointer locations have already been converted over
to use device->of_node.

Also remove dev_archdata_{get,set}_node() as it is no longer used by
anything.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 arch/microblaze/include/asm/device.h    | 15 ---------------
 arch/microblaze/include/asm/of_device.h |  1 -
 arch/microblaze/kernel/of_device.c      |  4 +---
 arch/powerpc/include/asm/device.h       | 15 ---------------
 arch/powerpc/include/asm/of_device.h    |  1 -
 arch/powerpc/kernel/of_device.c         |  4 +---
 arch/powerpc/kernel/pci-common.c        |  1 -
 arch/powerpc/kernel/vio.c               | 17 ++++++++---------
 arch/powerpc/platforms/cell/iommu.c     |  5 ++---
 arch/powerpc/platforms/pasemi/setup.c   |  4 ++--
 arch/powerpc/platforms/ps3/system-bus.c |  1 -
 arch/powerpc/platforms/pseries/iommu.c  |  2 +-
 arch/sparc/include/asm/device.h         | 15 ---------------
 arch/sparc/include/asm/of_device.h      |  1 -
 arch/sparc/kernel/of_device_32.c        |  2 --
 arch/sparc/kernel/of_device_64.c        |  2 --
 arch/sparc/kernel/pci.c                 |  3 +--
 drivers/of/of_i2c.c                     |  1 -
 drivers/of/of_mdio.c                    |  1 -
 drivers/of/of_spi.c                     |  1 -
 20 files changed, 16 insertions(+), 80 deletions(-)

diff --git a/arch/microblaze/include/asm/device.h b/arch/microblaze/include/asm/device.h
index 402b46e630f..15b0058aa7f 100644
--- a/arch/microblaze/include/asm/device.h
+++ b/arch/microblaze/include/asm/device.h
@@ -12,9 +12,6 @@
 struct device_node;
 
 struct dev_archdata {
-	/* Optional pointer to an OF device node */
-	struct device_node	*of_node;
-
 	/* DMA operations on that device */
 	struct dma_map_ops	*dma_ops;
 	void                    *dma_data;
@@ -23,18 +20,6 @@ struct dev_archdata {
 struct pdev_archdata {
 };
 
-static inline void dev_archdata_set_node(struct dev_archdata *ad,
-					 struct device_node *np)
-{
-	ad->of_node = np;
-}
-
-static inline struct device_node *
-dev_archdata_get_node(const struct dev_archdata *ad)
-{
-	return ad->of_node;
-}
-
 #endif /* _ASM_MICROBLAZE_DEVICE_H */
 
 
diff --git a/arch/microblaze/include/asm/of_device.h b/arch/microblaze/include/asm/of_device.h
index ba917cfaefe..ab25a40b481 100644
--- a/arch/microblaze/include/asm/of_device.h
+++ b/arch/microblaze/include/asm/of_device.h
@@ -21,7 +21,6 @@
  * probed using OF properties.
  */
 struct of_device {
-	struct device_node	*node; /* to be obsoleted */
 	u64			dma_mask; /* DMA mask */
 	struct device		dev; /* Generic device interface */
 };
diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c
index 90d2246e15c..ac7e6e10d0a 100644
--- a/arch/microblaze/kernel/of_device.c
+++ b/arch/microblaze/kernel/of_device.c
@@ -49,12 +49,10 @@ struct of_device *of_device_alloc(struct device_node *np,
 	if (!dev)
 		return NULL;
 
-	dev->node = of_node_get(np);
+	dev->dev.of_node = of_node_get(np);
 	dev->dev.dma_mask = &dev->dma_mask;
 	dev->dev.parent = parent;
 	dev->dev.release = of_release_dev;
-	dev->dev.archdata.of_node = np;
-	dev->dev.of_node = np;
 
 	if (bus_id)
 		dev_set_name(&dev->dev, bus_id);
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 6d94d27ed85..f23f8d8bd68 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -10,9 +10,6 @@ struct dma_map_ops;
 struct device_node;
 
 struct dev_archdata {
-	/* Optional pointer to an OF device node */
-	struct device_node	*of_node;
-
 	/* DMA operations on that device */
 	struct dma_map_ops	*dma_ops;
 
@@ -30,18 +27,6 @@ struct dev_archdata {
 #endif
 };
 
-static inline void dev_archdata_set_node(struct dev_archdata *ad,
-					 struct device_node *np)
-{
-	ad->of_node = np;
-}
-
-static inline struct device_node *
-dev_archdata_get_node(const struct dev_archdata *ad)
-{
-	return ad->of_node;
-}
-
 struct pdev_archdata {
 };
 
diff --git a/arch/powerpc/include/asm/of_device.h b/arch/powerpc/include/asm/of_device.h
index a64debf177d..8b26f96b9f9 100644
--- a/arch/powerpc/include/asm/of_device.h
+++ b/arch/powerpc/include/asm/of_device.h
@@ -12,7 +12,6 @@
  */
 struct of_device
 {
-	struct device_node	*node;		/* to be obsoleted */
 	u64			dma_mask;	/* DMA mask */
 	struct device		dev;		/* Generic device interface */
 };
diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c
index 285c8490c54..20b3474b6f6 100644
--- a/arch/powerpc/kernel/of_device.c
+++ b/arch/powerpc/kernel/of_device.c
@@ -69,12 +69,10 @@ struct of_device *of_device_alloc(struct device_node *np,
 	if (!dev)
 		return NULL;
 
-	dev->node = of_node_get(np);
+	dev->dev.of_node = of_node_get(np);
 	dev->dev.dma_mask = &dev->dma_mask;
 	dev->dev.parent = parent;
 	dev->dev.release = of_release_dev;
-	dev->dev.archdata.of_node = np;
-	dev->dev.of_node = np;
 
 	if (bus_id)
 		dev_set_name(&dev->dev, "%s", bus_id);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 88da282047c..6646005dffb 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1098,7 +1098,6 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
 			continue;
 
 		/* Setup OF node pointer in the device */
-		sd->of_node = pci_device_to_OF_node(dev);
 		dev->dev.of_node = pci_device_to_OF_node(dev);
 
 		/* Fixup NUMA node as it may not be setup yet by the generic
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index d6708da114e..4cdd0f6df8b 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -705,7 +705,7 @@ static int vio_cmo_bus_probe(struct vio_dev *viodev)
 	 * Check to see that device has a DMA window and configure
 	 * entitlement for the device.
 	 */
-	if (of_get_property(viodev->dev.archdata.of_node,
+	if (of_get_property(viodev->dev.of_node,
 	                    "ibm,my-dma-window", NULL)) {
 		/* Check that the driver is CMO enabled and get desired DMA */
 		if (!viodrv->get_desired_dma) {
@@ -1049,7 +1049,7 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
 	if (firmware_has_feature(FW_FEATURE_ISERIES))
 		return vio_build_iommu_table_iseries(dev);
 
-	dma_window = of_get_property(dev->dev.archdata.of_node,
+	dma_window = of_get_property(dev->dev.of_node,
 				  "ibm,my-dma-window", NULL);
 	if (!dma_window)
 		return NULL;
@@ -1058,7 +1058,7 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
 	if (tbl == NULL)
 		return NULL;
 
-	of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
+	of_parse_dma_window(dev->dev.of_node, dma_window,
 			    &tbl->it_index, &offset, &size);
 
 	/* TCE table size - measured in tce entries */
@@ -1086,7 +1086,7 @@ static const struct vio_device_id *vio_match_device(
 {
 	while (ids->type[0] != '\0') {
 		if ((strncmp(dev->type, ids->type, strlen(ids->type)) == 0) &&
-		    of_device_is_compatible(dev->dev.archdata.of_node,
+		    of_device_is_compatible(dev->dev.of_node,
 					 ids->compat))
 			return ids;
 		ids++;
@@ -1179,7 +1179,7 @@ EXPORT_SYMBOL(vio_unregister_driver);
 static void __devinit vio_dev_release(struct device *dev)
 {
 	/* XXX should free TCE table */
-	of_node_put(dev->archdata.of_node);
+	of_node_put(dev->of_node);
 	kfree(to_vio_dev(dev));
 }
 
@@ -1231,7 +1231,6 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
 			viodev->unit_address = *unit_address;
 	}
 	viodev->dev.of_node = of_node_get(of_node);
-	viodev->dev.archdata.of_node = viodev->dev.of_node;
 
 	if (firmware_has_feature(FW_FEATURE_CMO))
 		vio_cmo_set_dma_ops(viodev);
@@ -1316,7 +1315,7 @@ static ssize_t name_show(struct device *dev,
 static ssize_t devspec_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct device_node *of_node = dev->archdata.of_node;
+	struct device_node *of_node = dev->of_node;
 
 	return sprintf(buf, "%s\n", of_node ? of_node->full_name : "none");
 }
@@ -1348,7 +1347,7 @@ static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
 	struct device_node *dn;
 	const char *cp;
 
-	dn = dev->archdata.of_node;
+	dn = dev->of_node;
 	if (!dn)
 		return -ENODEV;
 	cp = of_get_property(dn, "compatible", NULL);
@@ -1379,7 +1378,7 @@ static struct bus_type vio_bus_type = {
 */
 const void *vio_get_attribute(struct vio_dev *vdev, char *which, int *length)
 {
-	return of_get_property(vdev->dev.archdata.of_node, which, length);
+	return of_get_property(vdev->dev.of_node, which, length);
 }
 EXPORT_SYMBOL(vio_get_attribute);
 
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index e3ec4976fae..22667a09d40 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -545,7 +545,6 @@ static struct iommu_table *cell_get_iommu_table(struct device *dev)
 {
 	struct iommu_window *window;
 	struct cbe_iommu *iommu;
-	struct dev_archdata *archdata = &dev->archdata;
 
 	/* Current implementation uses the first window available in that
 	 * node's iommu. We -might- do something smarter later though it may
@@ -554,7 +553,7 @@ static struct iommu_table *cell_get_iommu_table(struct device *dev)
 	iommu = cell_iommu_for_node(dev_to_node(dev));
 	if (iommu == NULL || list_empty(&iommu->windows)) {
 		printk(KERN_ERR "iommu: missing iommu for %s (node %d)\n",
-		       archdata->of_node ? archdata->of_node->full_name : "?",
+		       dev->of_node ? dev->of_node->full_name : "?",
 		       dev_to_node(dev));
 		return NULL;
 	}
@@ -897,7 +896,7 @@ static u64 cell_iommu_get_fixed_address(struct device *dev)
 	const u32 *ranges = NULL;
 	int i, len, best, naddr, nsize, pna, range_size;
 
-	np = of_node_get(dev->archdata.of_node);
+	np = of_node_get(dev->of_node);
 	while (1) {
 		naddr = of_n_addr_cells(np);
 		nsize = of_n_size_cells(np);
diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index ac6fdd97329..f372ec1691a 100644
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -360,10 +360,10 @@ static int pcmcia_notify(struct notifier_block *nb, unsigned long action,
 	/* We know electra_cf devices will always have of_node set, since
 	 * electra_cf is an of_platform driver.
 	 */
-	if (!parent->archdata.of_node)
+	if (!parent->of_node)
 		return 0;
 
-	if (!of_device_is_compatible(parent->archdata.of_node, "electra-cf"))
+	if (!of_device_is_compatible(parent->of_node, "electra-cf"))
 		return 0;
 
 	/* We use the direct ops for localbus */
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index e546c86a539..23083c39752 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -767,7 +767,6 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev)
 	};
 
 	dev->core.of_node = NULL;
-	dev->core.archdata.of_node = NULL;
 	set_dev_node(&dev->core, 0);
 
 	pr_debug("%s:%d add %s\n", __func__, __LINE__, dev_name(&dev->core));
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 1a0000a4b6d..d26182d42cb 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -468,7 +468,7 @@ static void pci_dma_dev_setup_pSeries(struct pci_dev *dev)
 
 	pr_debug("pci_dma_dev_setup_pSeries: %s\n", pci_name(dev));
 
-	dn = dev->dev.archdata.of_node;
+	dn = dev->dev.of_node;
 
 	/* If we're the direct child of a root bus, then we need to allocate
 	 * an iommu table ourselves. The bus setup code should have setup
diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h
index f3b85b6b0b7..d4c45214741 100644
--- a/arch/sparc/include/asm/device.h
+++ b/arch/sparc/include/asm/device.h
@@ -13,25 +13,10 @@ struct dev_archdata {
 	void			*iommu;
 	void			*stc;
 	void			*host_controller;
-
-	struct device_node	*prom_node;
 	struct of_device	*op;
-
 	int			numa_node;
 };
 
-static inline void dev_archdata_set_node(struct dev_archdata *ad,
-					 struct device_node *np)
-{
-	ad->prom_node = np;
-}
-
-static inline struct device_node *
-dev_archdata_get_node(const struct dev_archdata *ad)
-{
-	return ad->prom_node;
-}
-
 struct pdev_archdata {
 };
 
diff --git a/arch/sparc/include/asm/of_device.h b/arch/sparc/include/asm/of_device.h
index a5d9811f969..f320246a058 100644
--- a/arch/sparc/include/asm/of_device.h
+++ b/arch/sparc/include/asm/of_device.h
@@ -14,7 +14,6 @@
  */
 struct of_device
 {
-	struct device_node		*node;
 	struct device			dev;
 	struct resource			resource[PROMREG_MAX];
 	unsigned int			irqs[PROMINTR_MAX];
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 70731171614..47e63f1e719 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -345,11 +345,9 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 		return NULL;
 
 	sd = &op->dev.archdata;
-	sd->prom_node = dp;
 	sd->op = op;
 
 	op->dev.of_node = dp;
-	op->node = dp;
 
 	op->clock_freq = of_getintprop_default(dp, "clock-frequency",
 					       (25*1000*1000));
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index c8e352e0a09..1dae8079f72 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -640,11 +640,9 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 		return NULL;
 
 	sd = &op->dev.archdata;
-	sd->prom_node = dp;
 	sd->op = op;
 
 	op->dev.of_node = dp;
-	op->node = dp;
 
 	op->clock_freq = of_getintprop_default(dp, "clock-frequency",
 					       (25*1000*1000));
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index c7a214ec5af..8a8363adb8b 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -261,8 +261,6 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 	sd->iommu = pbm->iommu;
 	sd->stc = &pbm->stc;
 	sd->host_controller = pbm;
-	sd->prom_node = node;
-	dev->dev.of_node = node;
 	sd->op = op = of_find_device_by_node(node);
 	sd->numa_node = pbm->numa_node;
 
@@ -286,6 +284,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 	dev->sysdata = node;
 	dev->dev.parent = bus->bridge;
 	dev->dev.bus = &pci_bus_type;
+	dev->dev.of_node = node;
 	dev->devfn = devfn;
 	dev->multifunction = 0;		/* maybe a lie? */
 	set_pcie_port_type(dev);
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index 604ba966e1c..ab6522c8e4f 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -42,7 +42,6 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
 
 		info.addr = be32_to_cpup(addr);
 
-		dev_archdata_set_node(&dev_ad, node);
 		info.of_node = node;
 		info.archdata = &dev_ad;
 
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 01d794abe10..794fbc2ef73 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -79,7 +79,6 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 		/* Associate the OF node with the device structure so it
 		 * can be looked up later */
 		of_node_get(child);
-		dev_archdata_set_node(&phy->dev.archdata, child);
 		phy->dev.of_node = child;
 
 		/* All data is now stored in the phy struct; register it */
diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c
index f3119a0836a..5fed7e3c7da 100644
--- a/drivers/of/of_spi.c
+++ b/drivers/of/of_spi.c
@@ -80,7 +80,6 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np)
 		/* Store a pointer to the node in the device structure */
 		of_node_get(nc);
 		spi->dev.of_node = nc;
-		spi->dev.archdata.of_node = nc;
 
 		/* Register the new device */
 		request_module(spi->modalias);

From 5c40cbfefa828208c671e2f58789e4dd04f79563 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Tue, 27 Apr 2010 09:07:00 +0200
Subject: [PATCH 2048/3638] firewire: core: use separate timeout for each
 transaction

Using a single timeout for all transaction that need to be flushed does
not work if the submission of new transactions can defer the timeout
indefinitely into the future.  We need to have timeouts that do not
change due to other transactions; the simplest way to do this is with a
separate timer for each transaction.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (+ one lockdep annotation)
---
 drivers/firewire/core-card.c        | 11 -----
 drivers/firewire/core-transaction.c | 70 +++++++++++++++--------------
 drivers/firewire/core.h             |  1 -
 include/linux/firewire.h            |  3 +-
 4 files changed, 39 insertions(+), 46 deletions(-)

diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
index 42cf911b73c..9dcb30466ec 100644
--- a/drivers/firewire/core-card.c
+++ b/drivers/firewire/core-card.c
@@ -30,7 +30,6 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
-#include <linux/timer.h>
 #include <linux/workqueue.h>
 
 #include <asm/atomic.h>
@@ -408,13 +407,6 @@ static void fw_card_bm_work(struct work_struct *work)
 	fw_card_put(card);
 }
 
-static void flush_timer_callback(unsigned long data)
-{
-	struct fw_card *card = (struct fw_card *)data;
-
-	fw_flush_transactions(card);
-}
-
 void fw_card_initialize(struct fw_card *card,
 			const struct fw_card_driver *driver,
 			struct device *device)
@@ -433,8 +425,6 @@ void fw_card_initialize(struct fw_card *card,
 	init_completion(&card->done);
 	INIT_LIST_HEAD(&card->transaction_list);
 	spin_lock_init(&card->lock);
-	setup_timer(&card->flush_timer,
-		    flush_timer_callback, (unsigned long)card);
 
 	card->local_node = NULL;
 
@@ -559,7 +549,6 @@ void fw_core_remove_card(struct fw_card *card)
 	wait_for_completion(&card->done);
 
 	WARN_ON(!list_empty(&card->transaction_list));
-	del_timer_sync(&card->flush_timer);
 }
 EXPORT_SYMBOL(fw_core_remove_card);
 
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 901669876c2..fdc33ff06dc 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -81,7 +81,7 @@ static int close_transaction(struct fw_transaction *transaction,
 	spin_lock_irqsave(&card->lock, flags);
 	list_for_each_entry(t, &card->transaction_list, link) {
 		if (t == transaction) {
-			list_del(&t->link);
+			list_del_init(&t->link);
 			card->tlabel_mask &= ~(1ULL << t->tlabel);
 			break;
 		}
@@ -89,6 +89,7 @@ static int close_transaction(struct fw_transaction *transaction,
 	spin_unlock_irqrestore(&card->lock, flags);
 
 	if (&t->link != &card->transaction_list) {
+		del_timer_sync(&t->split_timeout_timer);
 		t->callback(card, rcode, NULL, 0, t->callback_data);
 		return 0;
 	}
@@ -121,6 +122,31 @@ int fw_cancel_transaction(struct fw_card *card,
 }
 EXPORT_SYMBOL(fw_cancel_transaction);
 
+static void split_transaction_timeout_callback(unsigned long data)
+{
+	struct fw_transaction *t = (struct fw_transaction *)data;
+	struct fw_card *card = t->card;
+	unsigned long flags;
+
+	spin_lock_irqsave(&card->lock, flags);
+	if (list_empty(&t->link)) {
+		spin_unlock_irqrestore(&card->lock, flags);
+		return;
+	}
+	list_del(&t->link);
+	card->tlabel_mask &= ~(1ULL << t->tlabel);
+	spin_unlock_irqrestore(&card->lock, flags);
+
+	card->driver->cancel_packet(card, &t->packet);
+
+	/*
+	 * At this point cancel_packet will never call the transaction
+	 * callback, since we just took the transaction out of the list.
+	 * So do it here.
+	 */
+	t->callback(card, RCODE_CANCELLED, NULL, 0, t->callback_data);
+}
+
 static void transmit_complete_callback(struct fw_packet *packet,
 				       struct fw_card *card, int status)
 {
@@ -293,13 +319,6 @@ void fw_send_request(struct fw_card *card, struct fw_transaction *t, int tcode,
 	unsigned long flags;
 	int tlabel;
 
-	/*
-	 * Bump the flush timer up 100ms first of all so we
-	 * don't race with a flush timer callback.
-	 */
-
-	mod_timer(&card->flush_timer, jiffies + DIV_ROUND_UP(HZ, 10));
-
 	/*
 	 * Allocate tlabel from the bitmap and put the transaction on
 	 * the list while holding the card spinlock.
@@ -316,6 +335,11 @@ void fw_send_request(struct fw_card *card, struct fw_transaction *t, int tcode,
 
 	t->node_id = destination_id;
 	t->tlabel = tlabel;
+	t->card = card;
+	setup_timer(&t->split_timeout_timer,
+		    split_transaction_timeout_callback, (unsigned long)t);
+	/* FIXME: start this timer later, relative to t->timestamp */
+	mod_timer(&t->split_timeout_timer, jiffies + DIV_ROUND_UP(HZ, 10));
 	t->callback = callback;
 	t->callback_data = callback_data;
 
@@ -361,11 +385,13 @@ int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
 	struct transaction_callback_data d;
 	struct fw_transaction t;
 
+	init_timer_on_stack(&t.split_timeout_timer);
 	init_completion(&d.done);
 	d.payload = payload;
 	fw_send_request(card, &t, tcode, destination_id, generation, speed,
 			offset, payload, length, transaction_callback, &d);
 	wait_for_completion(&d.done);
+	destroy_timer_on_stack(&t.split_timeout_timer);
 
 	return d.rcode;
 }
@@ -408,30 +434,6 @@ void fw_send_phy_config(struct fw_card *card,
 	mutex_unlock(&phy_config_mutex);
 }
 
-void fw_flush_transactions(struct fw_card *card)
-{
-	struct fw_transaction *t, *next;
-	struct list_head list;
-	unsigned long flags;
-
-	INIT_LIST_HEAD(&list);
-	spin_lock_irqsave(&card->lock, flags);
-	list_splice_init(&card->transaction_list, &list);
-	card->tlabel_mask = 0;
-	spin_unlock_irqrestore(&card->lock, flags);
-
-	list_for_each_entry_safe(t, next, &list, link) {
-		card->driver->cancel_packet(card, &t->packet);
-
-		/*
-		 * At this point cancel_packet will never call the
-		 * transaction callback, since we just took all the
-		 * transactions out of the list.  So do it here.
-		 */
-		t->callback(card, RCODE_CANCELLED, NULL, 0, t->callback_data);
-	}
-}
-
 static struct fw_address_handler *lookup_overlapping_address_handler(
 	struct list_head *list, unsigned long long offset, size_t length)
 {
@@ -841,7 +843,7 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
 	spin_lock_irqsave(&card->lock, flags);
 	list_for_each_entry(t, &card->transaction_list, link) {
 		if (t->node_id == source && t->tlabel == tlabel) {
-			list_del(&t->link);
+			list_del_init(&t->link);
 			card->tlabel_mask &= ~(1ULL << t->tlabel);
 			break;
 		}
@@ -883,6 +885,8 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
 		break;
 	}
 
+	del_timer_sync(&t->split_timeout_timer);
+
 	/*
 	 * The response handler may be executed while the request handler
 	 * is still pending.  Cancel the request handler.
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index 7a9759bf683..0ecfcd95f4c 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -220,7 +220,6 @@ void fw_core_handle_request(struct fw_card *card, struct fw_packet *request);
 void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet);
 void fw_fill_response(struct fw_packet *response, u32 *request_header,
 		      int rcode, void *payload, size_t length);
-void fw_flush_transactions(struct fw_card *card);
 void fw_send_phy_config(struct fw_card *card,
 			int node_id, int generation, int gap_count);
 
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index a527d73f996..72e2b8ac2a5 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -87,7 +87,6 @@ struct fw_card {
 	int current_tlabel;
 	u64 tlabel_mask;
 	struct list_head transaction_list;
-	struct timer_list flush_timer;
 	unsigned long reset_jiffies;
 
 	unsigned long long guid;
@@ -288,6 +287,8 @@ struct fw_transaction {
 	int tlabel;
 	int timestamp;
 	struct list_head link;
+	struct fw_card *card;
+	struct timer_list split_timeout_timer;
 
 	struct fw_packet packet;
 

From d5a7df0649fa6a1e7800785d760e2c7d7a3204de Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Mon, 10 May 2010 18:09:47 +0800
Subject: [PATCH 2049/3638] ocfs2: Reset xattr value size after
 xa_cleanup_value_truncate().

In ocfs2_prepare_xattr_entry, if we fail to grow an existing value,
xa_cleanup_value_truncate() will leave the old entry in place.  Thus, we
reset its value size.  However, if we were allocating a new value, we
must not reset the value size or we will BUG().  This resolves
oss.oracle.com bug 1247.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/xattr.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index a1cf195935c..e87130f44cb 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2135,15 +2135,18 @@ alloc_value:
 		orig_clusters = ocfs2_xa_value_clusters(loc);
 		rc = ocfs2_xa_value_truncate(loc, xi->xi_value_len, ctxt);
 		if (rc < 0) {
-			/*
-			 * If we tried to grow an existing external value,
-			 * ocfs2_xa_cleanuP-value_truncate() is going to
-			 * let it stand.  We have to restore its original
-			 * value size.
-			 */
-			loc->xl_entry->xe_value_size = orig_value_size;
 			ocfs2_xa_cleanup_value_truncate(loc, "growing",
 							orig_clusters);
+			/*
+			 * If we were growing an existing value,
+			 * ocfs2_xa_cleanup_value_truncate() won't remove
+			 * the entry. We need to restore the original value
+			 * size.
+			 */
+			if (loc->xl_entry) {
+				BUG_ON(!orig_value_size);
+				loc->xl_entry->xe_value_size = orig_value_size;
+			}
 			mlog_errno(rc);
 		}
 	}

From d9ef75221a6247b758e1d7e18edb661996e4b7cf Mon Sep 17 00:00:00 2001
From: Wengang Wang <wen.gang.wang@oracle.com>
Date: Mon, 17 May 2010 20:20:44 +0800
Subject: [PATCH 2050/3638] ocfs2:dlm: avoid dlm->ast_lock lockres->spinlock
 dependency break

Currently we process a dirty lockres with the lockres->spinlock taken. While
during the process, we may need to lock on dlm->ast_lock. This breaks the
dependency of dlm->ast_lock(lock first) and lockres->spinlock(lock second).

This patch fixes the problem.
Since we can't release lockres->spinlock, we have to take dlm->ast_lock
just before taking the lockres->spinlock and release it after lockres->spinlock
is released. And use __dlm_queue_bast()/__dlm_queue_ast(), the nolock version,
in dlm_shuffle_lists(). There are no too many locks on a lockres, so there is no
performance harm.

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/dlm/dlmast.c    |  4 ++--
 fs/ocfs2/dlm/dlmcommon.h |  2 ++
 fs/ocfs2/dlm/dlmthread.c | 16 ++++++++++------
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c
index 390a887c4df..7ec61d91b6a 100644
--- a/fs/ocfs2/dlm/dlmast.c
+++ b/fs/ocfs2/dlm/dlmast.c
@@ -89,7 +89,7 @@ static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
 	return 0;
 }
 
-static void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
+void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
 {
 	mlog_entry_void();
 
@@ -146,7 +146,7 @@ void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
 }
 
 
-static void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
+void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
 {
 	mlog_entry_void();
 
diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 40115681d5b..4b6ae2c13b4 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -904,6 +904,8 @@ void __dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm,
 
 void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
 void dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
+void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
+void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
 void dlm_do_local_ast(struct dlm_ctxt *dlm,
 		      struct dlm_lock_resource *res,
 		      struct dlm_lock *lock);
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 52ec020ea78..0bdd28e1d4d 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -310,6 +310,7 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm,
 	 * spinlock, and because we know that it is not migrating/
 	 * recovering/in-progress, it is fine to reserve asts and
 	 * basts right before queueing them all throughout */
+	assert_spin_locked(&dlm->ast_lock);
 	assert_spin_locked(&res->spinlock);
 	BUG_ON((res->state & (DLM_LOCK_RES_MIGRATING|
 			      DLM_LOCK_RES_RECOVERING|
@@ -338,7 +339,7 @@ converting:
 			/* queue the BAST if not already */
 			if (lock->ml.highest_blocked == LKM_IVMODE) {
 				__dlm_lockres_reserve_ast(res);
-				dlm_queue_bast(dlm, lock);
+				__dlm_queue_bast(dlm, lock);
 			}
 			/* update the highest_blocked if needed */
 			if (lock->ml.highest_blocked < target->ml.convert_type)
@@ -356,7 +357,7 @@ converting:
 			can_grant = 0;
 			if (lock->ml.highest_blocked == LKM_IVMODE) {
 				__dlm_lockres_reserve_ast(res);
-				dlm_queue_bast(dlm, lock);
+				__dlm_queue_bast(dlm, lock);
 			}
 			if (lock->ml.highest_blocked < target->ml.convert_type)
 				lock->ml.highest_blocked =
@@ -384,7 +385,7 @@ converting:
 		spin_unlock(&target->spinlock);
 
 		__dlm_lockres_reserve_ast(res);
-		dlm_queue_ast(dlm, target);
+		__dlm_queue_ast(dlm, target);
 		/* go back and check for more */
 		goto converting;
 	}
@@ -403,7 +404,7 @@ blocked:
 			can_grant = 0;
 			if (lock->ml.highest_blocked == LKM_IVMODE) {
 				__dlm_lockres_reserve_ast(res);
-				dlm_queue_bast(dlm, lock);
+				__dlm_queue_bast(dlm, lock);
 			}
 			if (lock->ml.highest_blocked < target->ml.type)
 				lock->ml.highest_blocked = target->ml.type;
@@ -419,7 +420,7 @@ blocked:
 			can_grant = 0;
 			if (lock->ml.highest_blocked == LKM_IVMODE) {
 				__dlm_lockres_reserve_ast(res);
-				dlm_queue_bast(dlm, lock);
+				__dlm_queue_bast(dlm, lock);
 			}
 			if (lock->ml.highest_blocked < target->ml.type)
 				lock->ml.highest_blocked = target->ml.type;
@@ -445,7 +446,7 @@ blocked:
 		spin_unlock(&target->spinlock);
 
 		__dlm_lockres_reserve_ast(res);
-		dlm_queue_ast(dlm, target);
+		__dlm_queue_ast(dlm, target);
 		/* go back and check for more */
 		goto converting;
 	}
@@ -675,6 +676,7 @@ static int dlm_thread(void *data)
 		 	/* lockres can be re-dirtied/re-added to the
 			 * dirty_list in this gap, but that is ok */
 
+			spin_lock(&dlm->ast_lock);
 			spin_lock(&res->spinlock);
 			if (res->owner != dlm->node_num) {
 				__dlm_print_one_lock_resource(res);
@@ -695,6 +697,7 @@ static int dlm_thread(void *data)
 				/* move it to the tail and keep going */
 				res->state &= ~DLM_LOCK_RES_DIRTY;
 				spin_unlock(&res->spinlock);
+				spin_unlock(&dlm->ast_lock);
 				mlog(0, "delaying list shuffling for in-"
 				     "progress lockres %.*s, state=%d\n",
 				     res->lockname.len, res->lockname.name,
@@ -716,6 +719,7 @@ static int dlm_thread(void *data)
 			dlm_shuffle_lists(dlm, res);
 			res->state &= ~DLM_LOCK_RES_DIRTY;
 			spin_unlock(&res->spinlock);
+			spin_unlock(&dlm->ast_lock);
 
 			dlm_lockres_calc_usage(dlm, res);
 

From 5f5261acb059f43c7fb9a2fac9d32c6ef4df2ed5 Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Thu, 13 May 2010 22:49:05 +0800
Subject: [PATCH 2051/3638] ocfs2: Don't retry xattr set in case value
 extension fails.

In normal xattr set, the set sequence is inode, xattr block
and finally xattr bucket if we meet with a ENOSPC. But there
is a corner case.
So consider we will set a xattr whose value will be stored in
a cluster, and there is no xattr block by now. So we will
reserve 1 xattr block and 1 cluster for setting it. Now if we
fail in value extension(in case the volume is almost full and
we can't allocate the cluster because the check in
ocfs2_test_bg_bit_allocatable), ENOSPC will be returned. So
we will try to create a bucket(this time there is a chance that
the reserved cluster will be used), and when we try value extension
again, kernel bug happens. We did meet with it. Check the bug below.
http://oss.oracle.com/bugzilla/show_bug.cgi?id=1251

This patch just try to avoid this by adding a set_abort in
ocfs2_xattr_set_ctxt, so in case ENOSPC happens in value extension,
we will check whether it is caused by the real ENOSPC or just the
full of inode or xattr block. If it is the first case, we set set_abort
so that we don't try any further. we are safe to exit directly here
ince it is really ENOSPC.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/xattr.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index e87130f44cb..98ee6c44102 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -79,6 +79,7 @@ struct ocfs2_xattr_set_ctxt {
 	struct ocfs2_alloc_context *meta_ac;
 	struct ocfs2_alloc_context *data_ac;
 	struct ocfs2_cached_dealloc_ctxt dealloc;
+	int set_abort;
 };
 
 #define OCFS2_XATTR_ROOT_SIZE	(sizeof(struct ocfs2_xattr_def_value_root))
@@ -2135,6 +2136,7 @@ alloc_value:
 		orig_clusters = ocfs2_xa_value_clusters(loc);
 		rc = ocfs2_xa_value_truncate(loc, xi->xi_value_len, ctxt);
 		if (rc < 0) {
+			ctxt->set_abort = 1;
 			ocfs2_xa_cleanup_value_truncate(loc, "growing",
 							orig_clusters);
 			/*
@@ -2946,7 +2948,7 @@ static int ocfs2_xattr_block_set(struct inode *inode,
 		ret = ocfs2_xa_set(&loc, xi, ctxt);
 		if (!ret)
 			xs->here = loc.xl_entry;
-		else if (ret != -ENOSPC)
+		else if ((ret != -ENOSPC) || ctxt->set_abort)
 			goto end;
 		else {
 			ret = ocfs2_xattr_create_index_block(inode, xs, ctxt);
@@ -3308,7 +3310,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 				goto out;
 			}
 			ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
-		} else if (ret == -ENOSPC) {
+		} else if ((ret == -ENOSPC) && !ctxt->set_abort) {
 			if (di->i_xattr_loc && !xbs->xattr_bh) {
 				ret = ocfs2_xattr_block_find(inode,
 							     xi->xi_name_index,

From 18d3a98f3c1b0e27ce026afa4d1ef042f2903726 Mon Sep 17 00:00:00 2001
From: Joel Becker <joel.becker@oracle.com>
Date: Tue, 18 May 2010 16:47:55 -0700
Subject: [PATCH 2052/3638] ocfs2: Silence a gcc warning.

ocfs2_block_group_claim_bits() is never called with min_bits=0, but we
shouldn't leave status undefined if it ever is.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
---
 fs/ocfs2/suballoc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index a327c80721e..f4c2a9eb8c4 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -484,7 +484,7 @@ static int ocfs2_block_group_claim_bits(struct ocfs2_super *osb,
 					unsigned int min_bits,
 					u32 *bit_off, u32 *num_bits)
 {
-	int status;
+	int status = 0;
 
 	while (min_bits) {
 		status = ocfs2_claim_clusters(handle, ac, min_bits,

From d831692a1a8e9ceaaa9bb16bb3fc503b7e372558 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 24 Mar 2010 03:33:48 +0000
Subject: [PATCH 2053/3638] sis-agp: Remove SIS 760, handled by amd64-agp

SIS 760 is listed in the device tables for both amd64-agp and sis-agp.
amd64-agp is apparently preferable since it has workarounds for some
BIOS misconfigurations that sis-agp doesn't handle.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/char/agp/sis-agp.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index b53d5f4e9cb..29aacd81de7 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -416,14 +416,6 @@ static struct pci_device_id agp_sis_pci_table[] = {
 		.subvendor	= PCI_ANY_ID,
 		.subdevice	= PCI_ANY_ID,
 	},
-	{
-		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
-		.class_mask	= ~0,
-		.vendor		= PCI_VENDOR_ID_SI,
-		.device		= PCI_DEVICE_ID_SI_760,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-	},
 	{ }
 };
 

From 6fd024893911dcb51b4a0aa71971db5ba38f7071 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 24 Mar 2010 03:36:31 +0000
Subject: [PATCH 2054/3638] amd64-agp: Probe unknown AGP devices the right way

The current initialisation code probes 'unsupported' AGP devices
simply by calling its own probe function.  It does not lock these
devices or even check whether another driver is already bound to
them.

We must use the device core to manage this.  So if the specific
device id table didn't match anything and agp_try_unsupported=1,
switch the device id table and call driver_attach() again.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/char/agp/amd64-agp.c | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 73703b115cd..67ea3a60de7 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -500,6 +500,10 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
 	u8 cap_ptr;
 	int err;
 
+	/* The Highlander principle */
+	if (agp_bridges_found)
+		return -ENODEV;
+
 	cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
 	if (!cap_ptr)
 		return -ENODEV;
@@ -563,6 +567,8 @@ static void __devexit agp_amd64_remove(struct pci_dev *pdev)
 			   amd64_aperture_sizes[bridge->aperture_size_idx].size);
 	agp_remove_bridge(bridge);
 	agp_put_bridge(bridge);
+
+	agp_bridges_found--;
 }
 
 #ifdef CONFIG_PM
@@ -710,6 +716,11 @@ static struct pci_device_id agp_amd64_pci_table[] = {
 
 MODULE_DEVICE_TABLE(pci, agp_amd64_pci_table);
 
+static DEFINE_PCI_DEVICE_TABLE(agp_amd64_pci_promisc_table) = {
+	{ PCI_DEVICE_CLASS(0, 0) },
+	{ }
+};
+
 static struct pci_driver agp_amd64_pci_driver = {
 	.name		= "agpgart-amd64",
 	.id_table	= agp_amd64_pci_table,
@@ -735,7 +746,6 @@ int __init agp_amd64_init(void)
 		return err;
 
 	if (agp_bridges_found == 0) {
-		struct pci_dev *dev;
 		if (!agp_try_unsupported && !agp_try_unsupported_boot) {
 			printk(KERN_INFO PFX "No supported AGP bridge found.\n");
 #ifdef MODULE
@@ -751,17 +761,10 @@ int __init agp_amd64_init(void)
 			return -ENODEV;
 
 		/* Look for any AGP bridge */
-		dev = NULL;
-		err = -ENODEV;
-		for_each_pci_dev(dev) {
-			if (!pci_find_capability(dev, PCI_CAP_ID_AGP))
-				continue;
-			/* Only one bridge supported right now */
-			if (agp_amd64_probe(dev, NULL) == 0) {
-				err = 0;
-				break;
-			}
-		}
+		agp_amd64_pci_driver.id_table = agp_amd64_pci_promisc_table;
+		err = driver_attach(&agp_amd64_pci_driver.driver);
+		if (err == 0 && agp_bridges_found == 0)
+			err = -ENODEV;
 	}
 	return err;
 }

From 2bfcc0fc698d550689ef020c73b2d977b73e728c Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 18 May 2010 19:26:46 -0400
Subject: [PATCH 2055/3638] drm/radeon/kms: reset ddc_bus in object header
 parsing

Some LVDS connectors don't have a ddc bus, so reset the
ddc bus to invalid before parsing the next connector
to avoid using stale ddc bus data.  Should fix
fdo bug 28164.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 1c24dad0ac3..8cb4173365c 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -530,6 +530,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 			}
 
 			/* look up gpio for ddc, hpd */
+			ddc_bus.valid = false;
+			hpd.hpd = RADEON_HPD_NONE;
 			if ((le16_to_cpu(path->usDeviceTag) &
 			     (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
 				for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
@@ -585,9 +587,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 						break;
 					}
 				}
-			} else {
-				hpd.hpd = RADEON_HPD_NONE;
-				ddc_bus.valid = false;
 			}
 
 			/* needed for aux chan transactions */

From 8e36ed00842668a39a6ed1b0a00b8ac92b7c4cd5 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 18 May 2010 19:26:47 -0400
Subject: [PATCH 2056/3638] drm/radeon/kms: hpd cleanup

- Use radeon hpd enum consistently (in both hotplug and dp)
- Legacy r100 with DVI should be HPD_1 not NONE

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_dp.c     |  2 +-
 drivers/gpu/drm/radeon/radeon_atombios.c |  3 +--
 drivers/gpu/drm/radeon/radeon_combios.c  |  4 ++--
 drivers/gpu/drm/radeon/radeon_mode.h     | 22 +++++++++++-----------
 4 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 28b31c64f48..abffb1499e2 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -351,7 +351,7 @@ retry:
 	args.v1.ucChannelID = chan->rec.i2c_id;
 	args.v1.ucDelay = delay / 10;
 	if (ASIC_IS_DCE4(rdev))
-		args.v2.ucHPD_ID = chan->rec.hpd_id;
+		args.v2.ucHPD_ID = chan->rec.hpd;
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 8cb4173365c..6e733fdc334 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -549,7 +549,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 						ATOM_I2C_RECORD *i2c_record;
 						ATOM_HPD_INT_RECORD *hpd_record;
 						ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
-						hpd.hpd = RADEON_HPD_NONE;
 
 						while (record->ucRecordType > 0
 						       && record->
@@ -590,7 +589,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 			}
 
 			/* needed for aux chan transactions */
-			ddc_bus.hpd_id = hpd.hpd ? (hpd.hpd - 1) : 0;
+			ddc_bus.hpd = hpd.hpd;
 
 			conn_id = le16_to_cpu(path->usConnObjectId);
 
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 93f18bbf744..7b5e10d3e9c 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -600,7 +600,7 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde
 	}
 	i2c.mm_i2c = false;
 	i2c.i2c_id = 0;
-	i2c.hpd_id = 0;
+	i2c.hpd = RADEON_HPD_NONE;
 
 	if (ddc_line)
 		i2c.valid = true;
@@ -2198,7 +2198,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 						  ATOM_DEVICE_DFP1_SUPPORT);
 
 			ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
-			hpd.hpd = RADEON_HPD_NONE;
+			hpd.hpd = RADEON_HPD_1;
 			radeon_add_legacy_connector(dev,
 						    0,
 						    ATOM_DEVICE_CRT1_SUPPORT |
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 71e1f0e7438..67358baf28b 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -66,6 +66,16 @@ enum radeon_tv_std {
 	TV_STD_PAL_N,
 };
 
+enum radeon_hpd_id {
+	RADEON_HPD_1 = 0,
+	RADEON_HPD_2,
+	RADEON_HPD_3,
+	RADEON_HPD_4,
+	RADEON_HPD_5,
+	RADEON_HPD_6,
+	RADEON_HPD_NONE = 0xff,
+};
+
 /* radeon gpio-based i2c
  * 1. "mask" reg and bits
  *    grabs the gpio pins for software use
@@ -85,7 +95,7 @@ struct radeon_i2c_bus_rec {
 	/* id used by atom */
 	uint8_t i2c_id;
 	/* id used by atom */
-	uint8_t hpd_id;
+	enum radeon_hpd_id hpd;
 	/* can be used with hw i2c engine */
 	bool hw_capable;
 	/* uses multi-media i2c engine */
@@ -370,16 +380,6 @@ struct radeon_gpio_rec {
 	u32 mask;
 };
 
-enum radeon_hpd_id {
-	RADEON_HPD_NONE = 0,
-	RADEON_HPD_1,
-	RADEON_HPD_2,
-	RADEON_HPD_3,
-	RADEON_HPD_4,
-	RADEON_HPD_5,
-	RADEON_HPD_6,
-};
-
 struct radeon_hpd {
 	enum radeon_hpd_id hpd;
 	u8 plugged_state;

From 669899878cfe0cd0c1fe60104f3d39b95a80e1d8 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Wed, 19 May 2010 10:35:02 +1000
Subject: [PATCH 2057/3638] drm/radeon: fix hdmi offset bug reported by smatch.

Reported-by: Dan Carpenter
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r600_hdmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 40b1aca6d1f..26b4bc9d89a 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -539,7 +539,7 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	uint8_t offset;
+	uint32_t offset;
 
 	if (ASIC_IS_DCE4(rdev))
 		return;

From 18eb8ea6ee4cc9ed39b45f95b734f523bcfb586b Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Wed, 19 May 2010 11:50:58 +1000
Subject: [PATCH 2058/3638] crypto: shash - Remove usage of CRYPTO_MINALIGN

The macro CRYPTO_MINALIGN is not meant to be used directly.  This
patch replaces it with crypto_tfm_ctx_alignment.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/shash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/shash.c b/crypto/shash.c
index 91f7b9d8388..22fd9433141 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -37,7 +37,7 @@ static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
 	u8 *buffer, *alignbuffer;
 	int err;
 
-	absize = keylen + (alignmask & ~(CRYPTO_MINALIGN - 1));
+	absize = keylen + (alignmask & ~(crypto_tfm_ctx_alignment() - 1));
 	buffer = kmalloc(absize, GFP_KERNEL);
 	if (!buffer)
 		return -ENOMEM;

From 5af52b51f76d8f8dce0e5b2a33c20b2231c8046d Mon Sep 17 00:00:00 2001
From: Stephane Eranian <eranian@google.com>
Date: Tue, 18 May 2010 15:00:01 +0200
Subject: [PATCH 2059/3638] perf stat: add perf stat -B to pretty print large
 numbers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It is hard to read very large numbers so provide an option to perf stat
to separate thousands using a separator. The patch leverages the locale
support of stdio. You need to set your LC_NUMERIC appropriately, for
instance LC_NUMERIC=en_US.UTF8. You need to pass -B to activate this
feature. This way existing scripts parsing the output do not need to be
changed. Here is an example.

$ perf stat noploop 2
noploop for 2 seconds

 Performance counter stats for 'noploop 2':

        1998.347031  task-clock-msecs         #      0.998 CPUs
                 61  context-switches         #      0.000 M/sec
                  0  CPU-migrations           #      0.000 M/sec
                118  page-faults              #      0.000 M/sec
      4,138,410,900  cycles                   #   2070.917 M/sec  (scaled from 70.01%)
      2,062,650,268  instructions             #      0.498 IPC    (scaled from 70.01%)
      2,057,653,466  branches                 #   1029.678 M/sec  (scaled from 70.01%)
             40,267  branch-misses            #      0.002 %      (scaled from 30.04%)
      2,055,961,348  cache-references         #   1028.831 M/sec  (scaled from 30.03%)
             53,725  cache-misses             #      0.027 M/sec  (scaled from 30.02%)

        2.001393933  seconds time elapsed

$ perf stat -B  noploop 2
noploop for 2 seconds

 Performance counter stats for 'noploop 2':

        1998.297883  task-clock-msecs         #      0.998 CPUs
                 59  context-switches         #      0.000 M/sec
                  0  CPU-migrations           #      0.000 M/sec
                119  page-faults              #      0.000 M/sec
      4,131,380,160  cycles                   #   2067.450 M/sec  (scaled from 70.01%)
      2,059,096,507  instructions             #      0.498 IPC    (scaled from 70.01%)
      2,054,681,303  branches                 #   1028.216 M/sec  (scaled from 70.01%)
             25,650  branch-misses            #      0.001 %      (scaled from 30.05%)
      2,056,283,014  cache-references         #   1029.017 M/sec  (scaled from 30.03%)
             47,097  cache-misses             #      0.024 M/sec  (scaled from 30.02%)

        2.001391016  seconds time elapsed

Cc: David S. Miller <davem@davemloft.net>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <4bf28fe8.914ed80a.01ca.fffff5f5@mx.google.com>
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/Documentation/perf-stat.txt |  3 +++
 tools/perf/builtin-stat.c              | 18 ++++++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 2cab8e8c33d..909fa766fa1 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -43,6 +43,9 @@ OPTIONS
 -c::
         scale counter values
 
+-B::
+        print large numbers with thousands' separators according to locale
+
 EXAMPLES
 --------
 
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index ff8c413b7e7..9a39ca3c3ac 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -50,6 +50,7 @@
 
 #include <sys/prctl.h>
 #include <math.h>
+#include <locale.h>
 
 static struct perf_event_attr default_attrs[] = {
 
@@ -80,6 +81,8 @@ static pid_t			*all_tids			=  NULL;
 static int			thread_num			=  0;
 static pid_t			child_pid			= -1;
 static bool			null_run			=  false;
+static bool			big_num				=  false;
+
 
 static int			*fd[MAX_NR_CPUS][MAX_COUNTERS];
 
@@ -377,7 +380,7 @@ static void nsec_printout(int counter, double avg)
 {
 	double msecs = avg / 1e6;
 
-	fprintf(stderr, " %14.6f  %-24s", msecs, event_name(counter));
+	fprintf(stderr, " %18.6f  %-24s", msecs, event_name(counter));
 
 	if (MATCH_EVENT(SOFTWARE, SW_TASK_CLOCK, counter)) {
 		fprintf(stderr, " # %10.3f CPUs ",
@@ -389,7 +392,10 @@ static void abs_printout(int counter, double avg)
 {
 	double total, ratio = 0.0;
 
-	fprintf(stderr, " %14.0f  %-24s", avg, event_name(counter));
+	if (big_num)
+		fprintf(stderr, " %'18.0f  %-24s", avg, event_name(counter));
+	else
+		fprintf(stderr, " %18.0f  %-24s", avg, event_name(counter));
 
 	if (MATCH_EVENT(HARDWARE, HW_INSTRUCTIONS, counter)) {
 		total = avg_stats(&runtime_cycles_stats);
@@ -426,7 +432,7 @@ static void print_counter(int counter)
 	int scaled = event_scaled[counter];
 
 	if (scaled == -1) {
-		fprintf(stderr, " %14s  %-24s\n",
+		fprintf(stderr, " %18s  %-24s\n",
 			"<not counted>", event_name(counter));
 		return;
 	}
@@ -477,7 +483,7 @@ static void print_stat(int argc, const char **argv)
 		print_counter(counter);
 
 	fprintf(stderr, "\n");
-	fprintf(stderr, " %14.9f  seconds time elapsed",
+	fprintf(stderr, " %18.9f  seconds time elapsed",
 			avg_stats(&walltime_nsecs_stats)/1e9);
 	if (run_count > 1) {
 		fprintf(stderr, "   ( +- %7.3f%% )",
@@ -534,6 +540,8 @@ static const struct option options[] = {
 		    "repeat command and print average + stddev (max: 100)"),
 	OPT_BOOLEAN('n', "null", &null_run,
 		    "null run - dont start any counters"),
+	OPT_BOOLEAN('B', "big-num", &big_num,
+		    "print large numbers with thousands\' separators"),
 	OPT_END()
 };
 
@@ -542,6 +550,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
 	int status;
 	int i,j;
 
+	setlocale(LC_ALL, "");
+
 	argc = parse_options(argc, argv, options, stat_usage,
 		PARSE_OPT_STOP_AT_NON_OPTION);
 	if (!argc && target_pid == -1 && target_tid == -1)

From a41794cdd7ee94a5199e14f642c26d649d383fa5 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Tue, 18 May 2010 18:29:23 -0300
Subject: [PATCH 2060/3638] perf tools: Remove some unused functions
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Without the bloated cplus_demangle from binutils, i.e building with:

$ make NO_DEMANGLE=1 O=~acme/git/build/perf -j3 -C tools/perf/ install

Before:

   text	   data	    bss	    dec	    hex	filename
 471851	  29280	4025056	4526187	 45106b	/home/acme/bin/perf

After:

[acme@doppio linux-2.6-tip]$ size ~/bin/perf
   text	   data	    bss	    dec	    hex	filename
 446886	  29232	4008576	4484694	 446e56	/home/acme/bin/perf

So its a 5.3% size reduction in code, but the interesting part is in the git
diff --stat output:

 19 files changed, 20 insertions(+), 1909 deletions(-)

If we ever need some of the things we got from git but weren't using, we just
have to go to the git repo and get fresh, uptodate source code bits.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-record.c   |   1 +
 tools/perf/util/abspath.c     |  81 ------
 tools/perf/util/cache.h       |  55 +---
 tools/perf/util/config.c      | 461 +---------------------------------
 tools/perf/util/exec_cmd.c    |   2 +-
 tools/perf/util/exec_cmd.h    |   1 -
 tools/perf/util/help.c        |  30 +--
 tools/perf/util/path.c        | 202 ---------------
 tools/perf/util/quote.c       | 433 +------------------------------
 tools/perf/util/quote.h       |  39 ---
 tools/perf/util/run-command.c |  90 -------
 tools/perf/util/run-command.h |  30 ---
 tools/perf/util/session.c     |   1 +
 tools/perf/util/sigchain.c    |   2 +-
 tools/perf/util/sigchain.h    |   1 -
 tools/perf/util/strbuf.c      | 229 +----------------
 tools/perf/util/strbuf.h      |  45 ----
 tools/perf/util/util.h        | 154 ------------
 tools/perf/util/wrapper.c     |  72 +-----
 19 files changed, 20 insertions(+), 1909 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index cb46c7d0ea9..66b8ecd22cf 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -25,6 +25,7 @@
 
 #include <unistd.h>
 #include <sched.h>
+#include <sys/mman.h>
 
 enum write_mode_t {
 	WRITE_FORCE,
diff --git a/tools/perf/util/abspath.c b/tools/perf/util/abspath.c
index a791dd46726..0e76affe9c3 100644
--- a/tools/perf/util/abspath.c
+++ b/tools/perf/util/abspath.c
@@ -1,86 +1,5 @@
 #include "cache.h"
 
-/*
- * Do not use this for inspecting *tracked* content.  When path is a
- * symlink to a directory, we do not want to say it is a directory when
- * dealing with tracked content in the working tree.
- */
-static int is_directory(const char *path)
-{
-	struct stat st;
-	return (!stat(path, &st) && S_ISDIR(st.st_mode));
-}
-
-/* We allow "recursive" symbolic links. Only within reason, though. */
-#define MAXDEPTH 5
-
-const char *make_absolute_path(const char *path)
-{
-	static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1];
-	char cwd[1024] = "";
-	int buf_index = 1, len;
-
-	int depth = MAXDEPTH;
-	char *last_elem = NULL;
-	struct stat st;
-
-	if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
-		die ("Too long path: %.*s", 60, path);
-
-	while (depth--) {
-		if (!is_directory(buf)) {
-			char *last_slash = strrchr(buf, '/');
-			if (last_slash) {
-				*last_slash = '\0';
-				last_elem = xstrdup(last_slash + 1);
-			} else {
-				last_elem = xstrdup(buf);
-				*buf = '\0';
-			}
-		}
-
-		if (*buf) {
-			if (!*cwd && !getcwd(cwd, sizeof(cwd)))
-				die ("Could not get current working directory");
-
-			if (chdir(buf))
-				die ("Could not switch to '%s'", buf);
-		}
-		if (!getcwd(buf, PATH_MAX))
-			die ("Could not get current working directory");
-
-		if (last_elem) {
-			len = strlen(buf);
-
-			if (len + strlen(last_elem) + 2 > PATH_MAX)
-				die ("Too long path name: '%s/%s'",
-						buf, last_elem);
-			buf[len] = '/';
-			strcpy(buf + len + 1, last_elem);
-			free(last_elem);
-			last_elem = NULL;
-		}
-
-		if (!lstat(buf, &st) && S_ISLNK(st.st_mode)) {
-			len = readlink(buf, next_buf, PATH_MAX);
-			if (len < 0)
-				die ("Invalid symlink: %s", buf);
-			if (PATH_MAX <= len)
-				die("symbolic link too long: %s", buf);
-			next_buf[len] = '\0';
-			buf = next_buf;
-			buf_index = 1 - buf_index;
-			next_buf = bufs[buf_index];
-		} else
-			break;
-	}
-
-	if (*cwd && chdir(cwd))
-		die ("Could not change back to '%s'", cwd);
-
-	return buf;
-}
-
 static const char *get_pwd_cwd(void)
 {
 	static char cwd[PATH_MAX + 1];
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 4b9aab7f040..5eca52595b6 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -13,56 +13,16 @@
 
 #define PERF_DIR_ENVIRONMENT "PERF_DIR"
 #define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE"
-#define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
-#define DB_ENVIRONMENT "PERF_OBJECT_DIRECTORY"
-#define INDEX_ENVIRONMENT "PERF_INDEX_FILE"
-#define GRAFT_ENVIRONMENT "PERF_GRAFT_FILE"
-#define TEMPLATE_DIR_ENVIRONMENT "PERF_TEMPLATE_DIR"
-#define CONFIG_ENVIRONMENT "PERF_CONFIG"
 #define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
-#define CEILING_DIRECTORIES_ENVIRONMENT "PERF_CEILING_DIRECTORIES"
-#define PERFATTRIBUTES_FILE ".perfattributes"
-#define INFOATTRIBUTES_FILE "info/attributes"
-#define ATTRIBUTE_MACRO_PREFIX "[attr]"
+#define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
 #define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
 
 typedef int (*config_fn_t)(const char *, const char *, void *);
 extern int perf_default_config(const char *, const char *, void *);
-extern int perf_config_from_file(config_fn_t fn, const char *, void *);
 extern int perf_config(config_fn_t fn, void *);
-extern int perf_parse_ulong(const char *, unsigned long *);
 extern int perf_config_int(const char *, const char *);
-extern unsigned long perf_config_ulong(const char *, const char *);
-extern int perf_config_bool_or_int(const char *, const char *, int *);
 extern int perf_config_bool(const char *, const char *);
-extern int perf_config_string(const char **, const char *, const char *);
-extern int perf_config_set(const char *, const char *);
-extern int perf_config_set_multivar(const char *, const char *, const char *, int);
-extern int perf_config_rename_section(const char *, const char *);
-extern const char *perf_etc_perfconfig(void);
-extern int check_repository_format_version(const char *var, const char *value, void *cb);
-extern int perf_config_system(void);
-extern int perf_config_global(void);
 extern int config_error_nonbool(const char *);
-extern const char *config_exclusive_filename;
-
-#define MAX_PERFNAME (1000)
-extern char perf_default_email[MAX_PERFNAME];
-extern char perf_default_name[MAX_PERFNAME];
-extern int user_ident_explicitly_given;
-
-extern const char *perf_log_output_encoding;
-extern const char *perf_mailmap_file;
-
-/* IO helper functions */
-extern void maybe_flush_or_die(FILE *, const char *);
-extern int copy_fd(int ifd, int ofd);
-extern int copy_file(const char *dst, const char *src, int mode);
-extern ssize_t write_in_full(int fd, const void *buf, size_t count);
-extern void write_or_die(int fd, const void *buf, size_t count);
-extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg);
-extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg);
-extern void fsync_or_die(int fd, const char *);
 
 /* pager.c */
 extern void setup_pager(void);
@@ -83,9 +43,6 @@ void setup_browser(void);
 void exit_browser(bool wait_for_ok);
 #endif
 
-extern const char *editor_program;
-extern const char *excludes_file;
-
 char *alias_lookup(const char *alias);
 int split_cmdline(char *cmdline, const char ***argv);
 
@@ -115,22 +72,12 @@ static inline int is_absolute_path(const char *path)
 	return path[0] == '/';
 }
 
-const char *make_absolute_path(const char *path);
 const char *make_nonrelative_path(const char *path);
-const char *make_relative_path(const char *abs, const char *base);
-int normalize_path_copy(char *dst, const char *src);
-int longest_ancestor_length(const char *path, const char *prefix_list);
 char *strip_path_suffix(const char *path, const char *suffix);
 
 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
-/* perf_mkstemp() - create tmp file honoring TMPDIR variable */
-extern int perf_mkstemp(char *path, size_t len, const char *template);
 
-extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
-	__attribute__((format (printf, 3, 4)));
-extern char *perf_snpath(char *buf, size_t n, const char *fmt, ...)
-	__attribute__((format (printf, 3, 4)));
 extern char *perf_pathdup(const char *fmt, ...)
 	__attribute__((format (printf, 1, 2)));
 
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 8784649109c..dabe892d0e5 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -16,7 +16,7 @@ static const char *config_file_name;
 static int config_linenr;
 static int config_file_eof;
 
-const char *config_exclusive_filename = NULL;
+static const char *config_exclusive_filename;
 
 static int get_next_char(void)
 {
@@ -291,19 +291,6 @@ static int perf_parse_long(const char *value, long *ret)
 	return 0;
 }
 
-int perf_parse_ulong(const char *value, unsigned long *ret)
-{
-	if (value && *value) {
-		char *end;
-		unsigned long val = strtoul(value, &end, 0);
-		if (!parse_unit_factor(end, &val))
-			return 0;
-		*ret = val;
-		return 1;
-	}
-	return 0;
-}
-
 static void die_bad_config(const char *name)
 {
 	if (config_file_name)
@@ -319,15 +306,7 @@ int perf_config_int(const char *name, const char *value)
 	return ret;
 }
 
-unsigned long perf_config_ulong(const char *name, const char *value)
-{
-	unsigned long ret;
-	if (!perf_parse_ulong(value, &ret))
-		die_bad_config(name);
-	return ret;
-}
-
-int perf_config_bool_or_int(const char *name, const char *value, int *is_bool)
+static int perf_config_bool_or_int(const char *name, const char *value, int *is_bool)
 {
 	*is_bool = 1;
 	if (!value)
@@ -348,14 +327,6 @@ int perf_config_bool(const char *name, const char *value)
 	return !!perf_config_bool_or_int(name, value, &discard);
 }
 
-int perf_config_string(const char **dest, const char *var, const char *value)
-{
-	if (!value)
-		return config_error_nonbool(var);
-	*dest = strdup(value);
-	return 0;
-}
-
 static int perf_default_core_config(const char *var __used, const char *value __used)
 {
 	/* Add other config variables here and to Documentation/config.txt. */
@@ -371,7 +342,7 @@ int perf_default_config(const char *var, const char *value, void *dummy __used)
 	return 0;
 }
 
-int perf_config_from_file(config_fn_t fn, const char *filename, void *data)
+static int perf_config_from_file(config_fn_t fn, const char *filename, void *data)
 {
 	int ret;
 	FILE *f = fopen(filename, "r");
@@ -389,7 +360,7 @@ int perf_config_from_file(config_fn_t fn, const char *filename, void *data)
 	return ret;
 }
 
-const char *perf_etc_perfconfig(void)
+static const char *perf_etc_perfconfig(void)
 {
 	static const char *system_wide;
 	if (!system_wide)
@@ -403,12 +374,12 @@ static int perf_env_bool(const char *k, int def)
 	return v ? perf_config_bool(k, v) : def;
 }
 
-int perf_config_system(void)
+static int perf_config_system(void)
 {
 	return !perf_env_bool("PERF_CONFIG_NOSYSTEM", 0);
 }
 
-int perf_config_global(void)
+static int perf_config_global(void)
 {
 	return !perf_env_bool("PERF_CONFIG_NOGLOBAL", 0);
 }
@@ -449,426 +420,6 @@ int perf_config(config_fn_t fn, void *data)
 	return ret;
 }
 
-/*
- * Find all the stuff for perf_config_set() below.
- */
-
-#define MAX_MATCHES 512
-
-static struct {
-	int baselen;
-	char* key;
-	int do_not_match;
-	regex_t* value_regex;
-	int multi_replace;
-	size_t offset[MAX_MATCHES];
-	enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
-	int seen;
-} store;
-
-static int matches(const char* key, const char* value)
-{
-	return !strcmp(key, store.key) &&
-		(store.value_regex == NULL ||
-		 (store.do_not_match ^
-		  !regexec(store.value_regex, value, 0, NULL, 0)));
-}
-
-static int store_aux(const char* key, const char* value, void *cb __used)
-{
-	int section_len;
-	const char *ep;
-
-	switch (store.state) {
-	case KEY_SEEN:
-		if (matches(key, value)) {
-			if (store.seen == 1 && store.multi_replace == 0) {
-				warning("%s has multiple values", key);
-			} else if (store.seen >= MAX_MATCHES) {
-				error("too many matches for %s", key);
-				return 1;
-			}
-
-			store.offset[store.seen] = ftell(config_file);
-			store.seen++;
-		}
-		break;
-	case SECTION_SEEN:
-		/*
-		 * What we are looking for is in store.key (both
-		 * section and var), and its section part is baselen
-		 * long.  We found key (again, both section and var).
-		 * We would want to know if this key is in the same
-		 * section as what we are looking for.  We already
-		 * know we are in the same section as what should
-		 * hold store.key.
-		 */
-		ep = strrchr(key, '.');
-		section_len = ep - key;
-
-		if ((section_len != store.baselen) ||
-		    memcmp(key, store.key, section_len+1)) {
-			store.state = SECTION_END_SEEN;
-			break;
-		}
-
-		/*
-		 * Do not increment matches: this is no match, but we
-		 * just made sure we are in the desired section.
-		 */
-		store.offset[store.seen] = ftell(config_file);
-		/* fallthru */
-	case SECTION_END_SEEN:
-	case START:
-		if (matches(key, value)) {
-			store.offset[store.seen] = ftell(config_file);
-			store.state = KEY_SEEN;
-			store.seen++;
-		} else {
-			if (strrchr(key, '.') - key == store.baselen &&
-			      !strncmp(key, store.key, store.baselen)) {
-					store.state = SECTION_SEEN;
-					store.offset[store.seen] = ftell(config_file);
-			}
-		}
-	default:
-		break;
-	}
-	return 0;
-}
-
-static int store_write_section(int fd, const char* key)
-{
-	const char *dot;
-	int i, success;
-	struct strbuf sb = STRBUF_INIT;
-
-	dot = memchr(key, '.', store.baselen);
-	if (dot) {
-		strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
-		for (i = dot - key + 1; i < store.baselen; i++) {
-			if (key[i] == '"' || key[i] == '\\')
-				strbuf_addch(&sb, '\\');
-			strbuf_addch(&sb, key[i]);
-		}
-		strbuf_addstr(&sb, "\"]\n");
-	} else {
-		strbuf_addf(&sb, "[%.*s]\n", store.baselen, key);
-	}
-
-	success = (write_in_full(fd, sb.buf, sb.len) == (ssize_t)sb.len);
-	strbuf_release(&sb);
-
-	return success;
-}
-
-static int store_write_pair(int fd, const char* key, const char* value)
-{
-	int i, success;
-	int length = strlen(key + store.baselen + 1);
-	const char *quote = "";
-	struct strbuf sb = STRBUF_INIT;
-
-	/*
-	 * Check to see if the value needs to be surrounded with a dq pair.
-	 * Note that problematic characters are always backslash-quoted; this
-	 * check is about not losing leading or trailing SP and strings that
-	 * follow beginning-of-comment characters (i.e. ';' and '#') by the
-	 * configuration parser.
-	 */
-	if (value[0] == ' ')
-		quote = "\"";
-	for (i = 0; value[i]; i++)
-		if (value[i] == ';' || value[i] == '#')
-			quote = "\"";
-	if (i && value[i - 1] == ' ')
-		quote = "\"";
-
-	strbuf_addf(&sb, "\t%.*s = %s",
-		    length, key + store.baselen + 1, quote);
-
-	for (i = 0; value[i]; i++)
-		switch (value[i]) {
-		case '\n':
-			strbuf_addstr(&sb, "\\n");
-			break;
-		case '\t':
-			strbuf_addstr(&sb, "\\t");
-			break;
-		case '"':
-		case '\\':
-			strbuf_addch(&sb, '\\');
-		default:
-			strbuf_addch(&sb, value[i]);
-			break;
-		}
-	strbuf_addf(&sb, "%s\n", quote);
-
-	success = (write_in_full(fd, sb.buf, sb.len) == (ssize_t)sb.len);
-	strbuf_release(&sb);
-
-	return success;
-}
-
-static ssize_t find_beginning_of_line(const char* contents, size_t size,
-	size_t offset_, int* found_bracket)
-{
-	size_t equal_offset = size, bracket_offset = size;
-	ssize_t offset;
-
-contline:
-	for (offset = offset_-2; offset > 0
-			&& contents[offset] != '\n'; offset--)
-		switch (contents[offset]) {
-			case '=': equal_offset = offset; break;
-			case ']': bracket_offset = offset; break;
-			default: break;
-		}
-	if (offset > 0 && contents[offset-1] == '\\') {
-		offset_ = offset;
-		goto contline;
-	}
-	if (bracket_offset < equal_offset) {
-		*found_bracket = 1;
-		offset = bracket_offset+1;
-	} else
-		offset++;
-
-	return offset;
-}
-
-int perf_config_set(const char* key, const char* value)
-{
-	return perf_config_set_multivar(key, value, NULL, 0);
-}
-
-/*
- * If value==NULL, unset in (remove from) config,
- * if value_regex!=NULL, disregard key/value pairs where value does not match.
- * if multi_replace==0, nothing, or only one matching key/value is replaced,
- *     else all matching key/values (regardless how many) are removed,
- *     before the new pair is written.
- *
- * Returns 0 on success.
- *
- * This function does this:
- *
- * - it locks the config file by creating ".perf/config.lock"
- *
- * - it then parses the config using store_aux() as validator to find
- *   the position on the key/value pair to replace. If it is to be unset,
- *   it must be found exactly once.
- *
- * - the config file is mmap()ed and the part before the match (if any) is
- *   written to the lock file, then the changed part and the rest.
- *
- * - the config file is removed and the lock file rename()d to it.
- *
- */
-int perf_config_set_multivar(const char* key, const char* value,
-	const char* value_regex, int multi_replace)
-{
-	int i, dot;
-	int fd = -1, in_fd;
-	int ret = 0;
-	char* config_filename;
-	const char* last_dot = strrchr(key, '.');
-
-	if (config_exclusive_filename)
-		config_filename = strdup(config_exclusive_filename);
-	else
-		config_filename = perf_pathdup("config");
-
-	/*
-	 * Since "key" actually contains the section name and the real
-	 * key name separated by a dot, we have to know where the dot is.
-	 */
-
-	if (last_dot == NULL) {
-		error("key does not contain a section: %s", key);
-		ret = 2;
-		goto out_free;
-	}
-	store.baselen = last_dot - key;
-
-	store.multi_replace = multi_replace;
-
-	/*
-	 * Validate the key and while at it, lower case it for matching.
-	 */
-	store.key = malloc(strlen(key) + 1);
-	dot = 0;
-	for (i = 0; key[i]; i++) {
-		unsigned char c = key[i];
-		if (c == '.')
-			dot = 1;
-		/* Leave the extended basename untouched.. */
-		if (!dot || i > store.baselen) {
-			if (!iskeychar(c) || (i == store.baselen+1 && !isalpha(c))) {
-				error("invalid key: %s", key);
-				free(store.key);
-				ret = 1;
-				goto out_free;
-			}
-			c = tolower(c);
-		} else if (c == '\n') {
-			error("invalid key (newline): %s", key);
-			free(store.key);
-			ret = 1;
-			goto out_free;
-		}
-		store.key[i] = c;
-	}
-	store.key[i] = 0;
-
-	/*
-	 * If .perf/config does not exist yet, write a minimal version.
-	 */
-	in_fd = open(config_filename, O_RDONLY);
-	if ( in_fd < 0 ) {
-		free(store.key);
-
-		if ( ENOENT != errno ) {
-			error("opening %s: %s", config_filename,
-			      strerror(errno));
-			ret = 3; /* same as "invalid config file" */
-			goto out_free;
-		}
-		/* if nothing to unset, error out */
-		if (value == NULL) {
-			ret = 5;
-			goto out_free;
-		}
-
-		store.key = (char*)key;
-		if (!store_write_section(fd, key) ||
-		    !store_write_pair(fd, key, value))
-			goto write_err_out;
-	} else {
-		struct stat st;
-		char *contents;
-		ssize_t contents_sz, copy_begin, copy_end;
-		int new_line = 0;
-
-		if (value_regex == NULL)
-			store.value_regex = NULL;
-		else {
-			if (value_regex[0] == '!') {
-				store.do_not_match = 1;
-				value_regex++;
-			} else
-				store.do_not_match = 0;
-
-			store.value_regex = (regex_t*)malloc(sizeof(regex_t));
-			if (regcomp(store.value_regex, value_regex,
-					REG_EXTENDED)) {
-				error("invalid pattern: %s", value_regex);
-				free(store.value_regex);
-				ret = 6;
-				goto out_free;
-			}
-		}
-
-		store.offset[0] = 0;
-		store.state = START;
-		store.seen = 0;
-
-		/*
-		 * After this, store.offset will contain the *end* offset
-		 * of the last match, or remain at 0 if no match was found.
-		 * As a side effect, we make sure to transform only a valid
-		 * existing config file.
-		 */
-		if (perf_config_from_file(store_aux, config_filename, NULL)) {
-			error("invalid config file %s", config_filename);
-			free(store.key);
-			if (store.value_regex != NULL) {
-				regfree(store.value_regex);
-				free(store.value_regex);
-			}
-			ret = 3;
-			goto out_free;
-		}
-
-		free(store.key);
-		if (store.value_regex != NULL) {
-			regfree(store.value_regex);
-			free(store.value_regex);
-		}
-
-		/* if nothing to unset, or too many matches, error out */
-		if ((store.seen == 0 && value == NULL) ||
-				(store.seen > 1 && multi_replace == 0)) {
-			ret = 5;
-			goto out_free;
-		}
-
-		fstat(in_fd, &st);
-		contents_sz = xsize_t(st.st_size);
-		contents = mmap(NULL, contents_sz, PROT_READ,
-			MAP_PRIVATE, in_fd, 0);
-		close(in_fd);
-
-		if (store.seen == 0)
-			store.seen = 1;
-
-		for (i = 0, copy_begin = 0; i < store.seen; i++) {
-			if (store.offset[i] == 0) {
-				store.offset[i] = copy_end = contents_sz;
-			} else if (store.state != KEY_SEEN) {
-				copy_end = store.offset[i];
-			} else
-				copy_end = find_beginning_of_line(
-					contents, contents_sz,
-					store.offset[i]-2, &new_line);
-
-			if (copy_end > 0 && contents[copy_end-1] != '\n')
-				new_line = 1;
-
-			/* write the first part of the config */
-			if (copy_end > copy_begin) {
-				if (write_in_full(fd, contents + copy_begin,
-						  copy_end - copy_begin) <
-				    copy_end - copy_begin)
-					goto write_err_out;
-				if (new_line &&
-				    write_in_full(fd, "\n", 1) != 1)
-					goto write_err_out;
-			}
-			copy_begin = store.offset[i];
-		}
-
-		/* write the pair (value == NULL means unset) */
-		if (value != NULL) {
-			if (store.state == START) {
-				if (!store_write_section(fd, key))
-					goto write_err_out;
-			}
-			if (!store_write_pair(fd, key, value))
-				goto write_err_out;
-		}
-
-		/* write the rest of the config */
-		if (copy_begin < contents_sz)
-			if (write_in_full(fd, contents + copy_begin,
-					  contents_sz - copy_begin) <
-			    contents_sz - copy_begin)
-				goto write_err_out;
-
-		munmap(contents, contents_sz);
-	}
-
-	ret = 0;
-
-out_free:
-	free(config_filename);
-	return ret;
-
-write_err_out:
-	goto out_free;
-
-}
-
 /*
  * Call this to report error for your variable that should not
  * get a boolean value (i.e. "[my] var" means "true").
diff --git a/tools/perf/util/exec_cmd.c b/tools/perf/util/exec_cmd.c
index 2745605dba1..c1b3d34e571 100644
--- a/tools/perf/util/exec_cmd.c
+++ b/tools/perf/util/exec_cmd.c
@@ -116,7 +116,7 @@ void setup_path(void)
 	strbuf_release(&new_path);
 }
 
-const char **prepare_perf_cmd(const char **argv)
+static const char **prepare_perf_cmd(const char **argv)
 {
 	int argc;
 	const char **nargv;
diff --git a/tools/perf/util/exec_cmd.h b/tools/perf/util/exec_cmd.h
index 31647ac92ed..bc4b915963f 100644
--- a/tools/perf/util/exec_cmd.h
+++ b/tools/perf/util/exec_cmd.h
@@ -5,7 +5,6 @@ extern void perf_set_argv_exec_path(const char *exec_path);
 extern const char *perf_extract_argv0_path(const char *path);
 extern const char *perf_exec_path(void);
 extern void setup_path(void);
-extern const char **prepare_perf_cmd(const char **argv);
 extern int execv_perf_cmd(const char **argv); /* NULL terminated */
 extern int execl_perf_cmd(const char *cmd, ...);
 extern const char *system_path(const char *path);
diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c
index fbb00978b2e..6f2975a0035 100644
--- a/tools/perf/util/help.c
+++ b/tools/perf/util/help.c
@@ -4,28 +4,6 @@
 #include "levenshtein.h"
 #include "help.h"
 
-/* most GUI terminals set COLUMNS (although some don't export it) */
-static int term_columns(void)
-{
-	char *col_string = getenv("COLUMNS");
-	int n_cols;
-
-	if (col_string && (n_cols = atoi(col_string)) > 0)
-		return n_cols;
-
-#ifdef TIOCGWINSZ
-	{
-		struct winsize ws;
-		if (!ioctl(1, TIOCGWINSZ, &ws)) {
-			if (ws.ws_col)
-				return ws.ws_col;
-		}
-	}
-#endif
-
-	return 80;
-}
-
 void add_cmdname(struct cmdnames *cmds, const char *name, size_t len)
 {
 	struct cmdname *ent = malloc(sizeof(*ent) + len + 1);
@@ -96,9 +74,13 @@ static void pretty_print_string_list(struct cmdnames *cmds, int longest)
 {
 	int cols = 1, rows;
 	int space = longest + 1; /* min 1 SP between words */
-	int max_cols = term_columns() - 1; /* don't print *on* the edge */
+	struct winsize win;
+	int max_cols;
 	int i, j;
 
+	get_term_dimensions(&win);
+	max_cols = win.ws_col - 1; /* don't print *on* the edge */
+
 	if (space < max_cols)
 		cols = max_cols / space;
 	rows = (cmds->cnt + cols - 1) / cols;
@@ -324,7 +306,7 @@ const char *help_unknown_cmd(const char *cmd)
 
 		main_cmds.names[0] = NULL;
 		clean_cmdnames(&main_cmds);
-		fprintf(stderr, "WARNING: You called a Git program named '%s', "
+		fprintf(stderr, "WARNING: You called a perf program named '%s', "
 			"which does not exist.\n"
 			"Continuing under the assumption that you meant '%s'\n",
 			cmd, assumed);
diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
index fd1f2faaade..b276c187802 100644
--- a/tools/perf/util/path.c
+++ b/tools/perf/util/path.c
@@ -54,21 +54,6 @@ static char *cleanup_path(char *path)
 	return path;
 }
 
-char *mksnpath(char *buf, size_t n, const char *fmt, ...)
-{
-	va_list args;
-	unsigned len;
-
-	va_start(args, fmt);
-	len = vsnprintf(buf, n, fmt, args);
-	va_end(args);
-	if (len >= n) {
-		strlcpy(buf, bad_path, n);
-		return buf;
-	}
-	return cleanup_path(buf);
-}
-
 static char *perf_vsnpath(char *buf, size_t n, const char *fmt, va_list args)
 {
 	const char *perf_dir = get_perf_dir();
@@ -89,15 +74,6 @@ bad:
 	return buf;
 }
 
-char *perf_snpath(char *buf, size_t n, const char *fmt, ...)
-{
-	va_list args;
-	va_start(args, fmt);
-	(void)perf_vsnpath(buf, n, fmt, args);
-	va_end(args);
-	return buf;
-}
-
 char *perf_pathdup(const char *fmt, ...)
 {
 	char path[PATH_MAX];
@@ -143,184 +119,6 @@ char *perf_path(const char *fmt, ...)
 	return cleanup_path(pathname);
 }
 
-
-/* perf_mkstemp() - create tmp file honoring TMPDIR variable */
-int perf_mkstemp(char *path, size_t len, const char *template)
-{
-	const char *tmp;
-	size_t n;
-
-	tmp = getenv("TMPDIR");
-	if (!tmp)
-		tmp = "/tmp";
-	n = snprintf(path, len, "%s/%s", tmp, template);
-	if (len <= n) {
-		errno = ENAMETOOLONG;
-		return -1;
-	}
-	return mkstemp(path);
-}
-
-
-const char *make_relative_path(const char *abs_path, const char *base)
-{
-	static char buf[PATH_MAX + 1];
-	int baselen;
-
-	if (!base)
-		return abs_path;
-
-	baselen = strlen(base);
-	if (prefixcmp(abs_path, base))
-		return abs_path;
-	if (abs_path[baselen] == '/')
-		baselen++;
-	else if (base[baselen - 1] != '/')
-		return abs_path;
-
-	strcpy(buf, abs_path + baselen);
-
-	return buf;
-}
-
-/*
- * It is okay if dst == src, but they should not overlap otherwise.
- *
- * Performs the following normalizations on src, storing the result in dst:
- * - Ensures that components are separated by '/' (Windows only)
- * - Squashes sequences of '/'.
- * - Removes "." components.
- * - Removes ".." components, and the components the precede them.
- * Returns failure (non-zero) if a ".." component appears as first path
- * component anytime during the normalization. Otherwise, returns success (0).
- *
- * Note that this function is purely textual.  It does not follow symlinks,
- * verify the existence of the path, or make any system calls.
- */
-int normalize_path_copy(char *dst, const char *src)
-{
-	char *dst0;
-
-	if (has_dos_drive_prefix(src)) {
-		*dst++ = *src++;
-		*dst++ = *src++;
-	}
-	dst0 = dst;
-
-	if (is_dir_sep(*src)) {
-		*dst++ = '/';
-		while (is_dir_sep(*src))
-			src++;
-	}
-
-	for (;;) {
-		char c = *src;
-
-		/*
-		 * A path component that begins with . could be
-		 * special:
-		 * (1) "." and ends   -- ignore and terminate.
-		 * (2) "./"           -- ignore them, eat slash and continue.
-		 * (3) ".." and ends  -- strip one and terminate.
-		 * (4) "../"          -- strip one, eat slash and continue.
-		 */
-		if (c == '.') {
-			if (!src[1]) {
-				/* (1) */
-				src++;
-			} else if (is_dir_sep(src[1])) {
-				/* (2) */
-				src += 2;
-				while (is_dir_sep(*src))
-					src++;
-				continue;
-			} else if (src[1] == '.') {
-				if (!src[2]) {
-					/* (3) */
-					src += 2;
-					goto up_one;
-				} else if (is_dir_sep(src[2])) {
-					/* (4) */
-					src += 3;
-					while (is_dir_sep(*src))
-						src++;
-					goto up_one;
-				}
-			}
-		}
-
-		/* copy up to the next '/', and eat all '/' */
-		while ((c = *src++) != '\0' && !is_dir_sep(c))
-			*dst++ = c;
-		if (is_dir_sep(c)) {
-			*dst++ = '/';
-			while (is_dir_sep(c))
-				c = *src++;
-			src--;
-		} else if (!c)
-			break;
-		continue;
-
-	up_one:
-		/*
-		 * dst0..dst is prefix portion, and dst[-1] is '/';
-		 * go up one level.
-		 */
-		dst--;	/* go to trailing '/' */
-		if (dst <= dst0)
-			return -1;
-		/* Windows: dst[-1] cannot be backslash anymore */
-		while (dst0 < dst && dst[-1] != '/')
-			dst--;
-	}
-	*dst = '\0';
-	return 0;
-}
-
-/*
- * path = Canonical absolute path
- * prefix_list = Colon-separated list of absolute paths
- *
- * Determines, for each path in prefix_list, whether the "prefix" really
- * is an ancestor directory of path.  Returns the length of the longest
- * ancestor directory, excluding any trailing slashes, or -1 if no prefix
- * is an ancestor.  (Note that this means 0 is returned if prefix_list is
- * "/".) "/foo" is not considered an ancestor of "/foobar".  Directories
- * are not considered to be their own ancestors.  path must be in a
- * canonical form: empty components, or "." or ".." components are not
- * allowed.  prefix_list may be null, which is like "".
- */
-int longest_ancestor_length(const char *path, const char *prefix_list)
-{
-	char buf[PATH_MAX+1];
-	const char *ceil, *colon;
-	int len, max_len = -1;
-
-	if (prefix_list == NULL || !strcmp(path, "/"))
-		return -1;
-
-	for (colon = ceil = prefix_list; *colon; ceil = colon+1) {
-		for (colon = ceil; *colon && *colon != PATH_SEP; colon++);
-		len = colon - ceil;
-		if (len == 0 || len > PATH_MAX || !is_absolute_path(ceil))
-			continue;
-		strlcpy(buf, ceil, len+1);
-		if (normalize_path_copy(buf, buf) < 0)
-			continue;
-		len = strlen(buf);
-		if (len > 0 && buf[len-1] == '/')
-			buf[--len] = '\0';
-
-		if (!strncmp(path, buf, len) &&
-		    path[len] == '/' &&
-		    len > max_len) {
-			max_len = len;
-		}
-	}
-
-	return max_len;
-}
-
 /* strip arbitrary amount of directory separators at end of path */
 static inline int chomp_trailing_dir_sep(const char *path, int len)
 {
diff --git a/tools/perf/util/quote.c b/tools/perf/util/quote.c
index 2726fe40eb5..01f03242b86 100644
--- a/tools/perf/util/quote.c
+++ b/tools/perf/util/quote.c
@@ -1,8 +1,6 @@
 #include "cache.h"
 #include "quote.h"
 
-int quote_path_fully = 1;
-
 /* Help to copy the thing properly quoted for the shell safety.
  * any single quote is replaced with '\'', any exclamation point
  * is replaced with '\!', and the whole thing is enclosed in a
@@ -19,7 +17,7 @@ static inline int need_bs_quote(char c)
 	return (c == '\'' || c == '!');
 }
 
-void sq_quote_buf(struct strbuf *dst, const char *src)
+static void sq_quote_buf(struct strbuf *dst, const char *src)
 {
 	char *to_free = NULL;
 
@@ -41,23 +39,6 @@ void sq_quote_buf(struct strbuf *dst, const char *src)
 	free(to_free);
 }
 
-void sq_quote_print(FILE *stream, const char *src)
-{
-	char c;
-
-	fputc('\'', stream);
-	while ((c = *src++)) {
-		if (need_bs_quote(c)) {
-			fputs("'\\", stream);
-			fputc(c, stream);
-			fputc('\'', stream);
-		} else {
-			fputc(c, stream);
-		}
-	}
-	fputc('\'', stream);
-}
-
 void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
 {
 	int i;
@@ -71,415 +52,3 @@ void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
 			die("Too many or long arguments");
 	}
 }
-
-char *sq_dequote_step(char *arg, char **next)
-{
-	char *dst = arg;
-	char *src = arg;
-	char c;
-
-	if (*src != '\'')
-		return NULL;
-	for (;;) {
-		c = *++src;
-		if (!c)
-			return NULL;
-		if (c != '\'') {
-			*dst++ = c;
-			continue;
-		}
-		/* We stepped out of sq */
-		switch (*++src) {
-		case '\0':
-			*dst = 0;
-			if (next)
-				*next = NULL;
-			return arg;
-		case '\\':
-			c = *++src;
-			if (need_bs_quote(c) && *++src == '\'') {
-				*dst++ = c;
-				continue;
-			}
-		/* Fallthrough */
-		default:
-			if (!next || !isspace(*src))
-				return NULL;
-			do {
-				c = *++src;
-			} while (isspace(c));
-			*dst = 0;
-			*next = src;
-			return arg;
-		}
-	}
-}
-
-char *sq_dequote(char *arg)
-{
-	return sq_dequote_step(arg, NULL);
-}
-
-int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc)
-{
-	char *next = arg;
-
-	if (!*arg)
-		return 0;
-	do {
-		char *dequoted = sq_dequote_step(next, &next);
-		if (!dequoted)
-			return -1;
-		ALLOC_GROW(*argv, *nr + 1, *alloc);
-		(*argv)[(*nr)++] = dequoted;
-	} while (next);
-
-	return 0;
-}
-
-/* 1 means: quote as octal
- * 0 means: quote as octal if (quote_path_fully)
- * -1 means: never quote
- * c: quote as "\\c"
- */
-#define X8(x)   x, x, x, x, x, x, x, x
-#define X16(x)  X8(x), X8(x)
-static signed char const sq_lookup[256] = {
-	/*           0    1    2    3    4    5    6    7 */
-	/* 0x00 */   1,   1,   1,   1,   1,   1,   1, 'a',
-	/* 0x08 */ 'b', 't', 'n', 'v', 'f', 'r',   1,   1,
-	/* 0x10 */ X16(1),
-	/* 0x20 */  -1,  -1, '"',  -1,  -1,  -1,  -1,  -1,
-	/* 0x28 */ X16(-1), X16(-1), X16(-1),
-	/* 0x58 */  -1,  -1,  -1,  -1,'\\',  -1,  -1,  -1,
-	/* 0x60 */ X16(-1), X8(-1),
-	/* 0x78 */  -1,  -1,  -1,  -1,  -1,  -1,  -1,   1,
-	/* 0x80 */ /* set to 0 */
-};
-
-static inline int sq_must_quote(char c)
-{
-	return sq_lookup[(unsigned char)c] + quote_path_fully > 0;
-}
-
-/*
- * Returns the longest prefix not needing a quote up to maxlen if
- * positive.
- * This stops at the first \0 because it's marked as a character
- * needing an escape.
- */
-static ssize_t next_quote_pos(const char *s, ssize_t maxlen)
-{
-	ssize_t len;
-
-	if (maxlen < 0) {
-		for (len = 0; !sq_must_quote(s[len]); len++);
-	} else {
-		for (len = 0; len < maxlen && !sq_must_quote(s[len]); len++);
-	}
-	return len;
-}
-
-/*
- * C-style name quoting.
- *
- * (1) if sb and fp are both NULL, inspect the input name and counts the
- *     number of bytes that are needed to hold c_style quoted version of name,
- *     counting the double quotes around it but not terminating NUL, and
- *     returns it.
- *     However, if name does not need c_style quoting, it returns 0.
- *
- * (2) if sb or fp are not NULL, it emits the c_style quoted version
- *     of name, enclosed with double quotes if asked and needed only.
- *     Return value is the same as in (1).
- */
-static size_t quote_c_style_counted(const char *name, ssize_t maxlen,
-                                    struct strbuf *sb, FILE *fp, int no_dq)
-{
-#define EMIT(c)							\
-	do {							\
-		if (sb) strbuf_addch(sb, (c));			\
-		if (fp) fputc((c), fp);				\
-		count++;					\
-	} while (0)
-
-#define EMITBUF(s, l)						\
-	do {							\
-		int __ret;					\
-		if (sb) strbuf_add(sb, (s), (l));		\
-		if (fp) __ret = fwrite((s), (l), 1, fp);	\
-		count += (l);					\
-	} while (0)
-
-	ssize_t len, count = 0;
-	const char *p = name;
-
-	for (;;) {
-		int ch;
-
-		len = next_quote_pos(p, maxlen);
-		if (len == maxlen || !p[len])
-			break;
-
-		if (!no_dq && p == name)
-			EMIT('"');
-
-		EMITBUF(p, len);
-		EMIT('\\');
-		p += len;
-		ch = (unsigned char)*p++;
-		if (sq_lookup[ch] >= ' ') {
-			EMIT(sq_lookup[ch]);
-		} else {
-			EMIT(((ch >> 6) & 03) + '0');
-			EMIT(((ch >> 3) & 07) + '0');
-			EMIT(((ch >> 0) & 07) + '0');
-		}
-	}
-
-	EMITBUF(p, len);
-	if (p == name)   /* no ending quote needed */
-		return 0;
-
-	if (!no_dq)
-		EMIT('"');
-	return count;
-}
-
-size_t quote_c_style(const char *name, struct strbuf *sb, FILE *fp, int nodq)
-{
-	return quote_c_style_counted(name, -1, sb, fp, nodq);
-}
-
-void quote_two_c_style(struct strbuf *sb, const char *prefix, const char *path, int nodq)
-{
-	if (quote_c_style(prefix, NULL, NULL, 0) ||
-	    quote_c_style(path, NULL, NULL, 0)) {
-		if (!nodq)
-			strbuf_addch(sb, '"');
-		quote_c_style(prefix, sb, NULL, 1);
-		quote_c_style(path, sb, NULL, 1);
-		if (!nodq)
-			strbuf_addch(sb, '"');
-	} else {
-		strbuf_addstr(sb, prefix);
-		strbuf_addstr(sb, path);
-	}
-}
-
-void write_name_quoted(const char *name, FILE *fp, int terminator)
-{
-	if (terminator) {
-		quote_c_style(name, NULL, fp, 0);
-	} else {
-		fputs(name, fp);
-	}
-	fputc(terminator, fp);
-}
-
-void write_name_quotedpfx(const char *pfx, ssize_t pfxlen,
-			  const char *name, FILE *fp, int terminator)
-{
-	int needquote = 0;
-
-	if (terminator) {
-		needquote = next_quote_pos(pfx, pfxlen) < pfxlen
-			|| name[next_quote_pos(name, -1)];
-	}
-	if (needquote) {
-		fputc('"', fp);
-		quote_c_style_counted(pfx, pfxlen, NULL, fp, 1);
-		quote_c_style(name, NULL, fp, 1);
-		fputc('"', fp);
-	} else {
-		int ret;
-
-		ret = fwrite(pfx, pfxlen, 1, fp);
-		fputs(name, fp);
-	}
-	fputc(terminator, fp);
-}
-
-/* quote path as relative to the given prefix */
-char *quote_path_relative(const char *in, int len,
-			  struct strbuf *out, const char *prefix)
-{
-	int needquote;
-
-	if (len < 0)
-		len = strlen(in);
-
-	/* "../" prefix itself does not need quoting, but "in" might. */
-	needquote = (next_quote_pos(in, len) < len);
-	strbuf_setlen(out, 0);
-	strbuf_grow(out, len);
-
-	if (needquote)
-		strbuf_addch(out, '"');
-	if (prefix) {
-		int off = 0;
-		while (off < len && prefix[off] && prefix[off] == in[off])
-			if (prefix[off] == '/') {
-				prefix += off + 1;
-				in += off + 1;
-				len -= off + 1;
-				off = 0;
-			} else
-				off++;
-
-		for (; *prefix; prefix++)
-			if (*prefix == '/')
-				strbuf_addstr(out, "../");
-	}
-
-	quote_c_style_counted (in, len, out, NULL, 1);
-
-	if (needquote)
-		strbuf_addch(out, '"');
-	if (!out->len)
-		strbuf_addstr(out, "./");
-
-	return out->buf;
-}
-
-/*
- * C-style name unquoting.
- *
- * Quoted should point at the opening double quote.
- * + Returns 0 if it was able to unquote the string properly, and appends the
- *   result in the strbuf `sb'.
- * + Returns -1 in case of error, and doesn't touch the strbuf. Though note
- *   that this function will allocate memory in the strbuf, so calling
- *   strbuf_release is mandatory whichever result unquote_c_style returns.
- *
- * Updates endp pointer to point at one past the ending double quote if given.
- */
-int unquote_c_style(struct strbuf *sb, const char *quoted, const char **endp)
-{
-	size_t oldlen = sb->len, len;
-	int ch, ac;
-
-	if (*quoted++ != '"')
-		return -1;
-
-	for (;;) {
-		len = strcspn(quoted, "\"\\");
-		strbuf_add(sb, quoted, len);
-		quoted += len;
-
-		switch (*quoted++) {
-		  case '"':
-			if (endp)
-				*endp = quoted;
-			return 0;
-		  case '\\':
-			break;
-		  default:
-			goto error;
-		}
-
-		switch ((ch = *quoted++)) {
-		case 'a': ch = '\a'; break;
-		case 'b': ch = '\b'; break;
-		case 'f': ch = '\f'; break;
-		case 'n': ch = '\n'; break;
-		case 'r': ch = '\r'; break;
-		case 't': ch = '\t'; break;
-		case 'v': ch = '\v'; break;
-
-		case '\\': case '"':
-			break; /* verbatim */
-
-		/* octal values with first digit over 4 overflow */
-		case '0': case '1': case '2': case '3':
-					ac = ((ch - '0') << 6);
-			if ((ch = *quoted++) < '0' || '7' < ch)
-				goto error;
-					ac |= ((ch - '0') << 3);
-			if ((ch = *quoted++) < '0' || '7' < ch)
-				goto error;
-					ac |= (ch - '0');
-					ch = ac;
-					break;
-				default:
-			goto error;
-			}
-		strbuf_addch(sb, ch);
-		}
-
-  error:
-	strbuf_setlen(sb, oldlen);
-	return -1;
-}
-
-/* quoting as a string literal for other languages */
-
-void perl_quote_print(FILE *stream, const char *src)
-{
-	const char sq = '\'';
-	const char bq = '\\';
-	char c;
-
-	fputc(sq, stream);
-	while ((c = *src++)) {
-		if (c == sq || c == bq)
-			fputc(bq, stream);
-		fputc(c, stream);
-	}
-	fputc(sq, stream);
-}
-
-void python_quote_print(FILE *stream, const char *src)
-{
-	const char sq = '\'';
-	const char bq = '\\';
-	const char nl = '\n';
-	char c;
-
-	fputc(sq, stream);
-	while ((c = *src++)) {
-		if (c == nl) {
-			fputc(bq, stream);
-			fputc('n', stream);
-			continue;
-		}
-		if (c == sq || c == bq)
-			fputc(bq, stream);
-		fputc(c, stream);
-	}
-	fputc(sq, stream);
-}
-
-void tcl_quote_print(FILE *stream, const char *src)
-{
-	char c;
-
-	fputc('"', stream);
-	while ((c = *src++)) {
-		switch (c) {
-		case '[': case ']':
-		case '{': case '}':
-		case '$': case '\\': case '"':
-			fputc('\\', stream);
-		default:
-			fputc(c, stream);
-			break;
-		case '\f':
-			fputs("\\f", stream);
-			break;
-		case '\r':
-			fputs("\\r", stream);
-			break;
-		case '\n':
-			fputs("\\n", stream);
-			break;
-		case '\t':
-			fputs("\\t", stream);
-			break;
-		case '\v':
-			fputs("\\v", stream);
-			break;
-		}
-	}
-	fputc('"', stream);
-}
diff --git a/tools/perf/util/quote.h b/tools/perf/util/quote.h
index b6a01973391..172889ea234 100644
--- a/tools/perf/util/quote.h
+++ b/tools/perf/util/quote.h
@@ -22,47 +22,8 @@
  *
  * Note that the above examples leak memory!  Remember to free result from
  * sq_quote() in a real application.
- *
- * sq_quote_buf() writes to an existing buffer of specified size; it
- * will return the number of characters that would have been written
- * excluding the final null regardless of the buffer size.
  */
 
-extern void sq_quote_print(FILE *stream, const char *src);
-
-extern void sq_quote_buf(struct strbuf *, const char *src);
 extern void sq_quote_argv(struct strbuf *, const char **argv, size_t maxlen);
 
-/* This unwraps what sq_quote() produces in place, but returns
- * NULL if the input does not look like what sq_quote would have
- * produced.
- */
-extern char *sq_dequote(char *);
-
-/*
- * Same as the above, but can be used to unwrap many arguments in the
- * same string separated by space. "next" is changed to point to the
- * next argument that should be passed as first parameter. When there
- * is no more argument to be dequoted, "next" is updated to point to NULL.
- */
-extern char *sq_dequote_step(char *arg, char **next);
-extern int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc);
-
-extern int unquote_c_style(struct strbuf *, const char *quoted, const char **endp);
-extern size_t quote_c_style(const char *name, struct strbuf *, FILE *, int no_dq);
-extern void quote_two_c_style(struct strbuf *, const char *, const char *, int);
-
-extern void write_name_quoted(const char *name, FILE *, int terminator);
-extern void write_name_quotedpfx(const char *pfx, ssize_t pfxlen,
-                                 const char *name, FILE *, int terminator);
-
-/* quote path as relative to the given prefix */
-char *quote_path_relative(const char *in, int len,
-			  struct strbuf *out, const char *prefix);
-
-/* quoting as a string literal for other languages */
-extern void perl_quote_print(FILE *stream, const char *src);
-extern void python_quote_print(FILE *stream, const char *src);
-extern void tcl_quote_print(FILE *stream, const char *src);
-
 #endif /* __PERF_QUOTE_H */
diff --git a/tools/perf/util/run-command.c b/tools/perf/util/run-command.c
index 2b615acf94d..da8e9b285f5 100644
--- a/tools/perf/util/run-command.c
+++ b/tools/perf/util/run-command.c
@@ -212,93 +212,3 @@ int run_command_v_opt(const char **argv, int opt)
 	prepare_run_command_v_opt(&cmd, argv, opt);
 	return run_command(&cmd);
 }
-
-int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env)
-{
-	struct child_process cmd;
-	prepare_run_command_v_opt(&cmd, argv, opt);
-	cmd.dir = dir;
-	cmd.env = env;
-	return run_command(&cmd);
-}
-
-int start_async(struct async *async)
-{
-	int pipe_out[2];
-
-	if (pipe(pipe_out) < 0)
-		return error("cannot create pipe: %s", strerror(errno));
-	async->out = pipe_out[0];
-
-	/* Flush stdio before fork() to avoid cloning buffers */
-	fflush(NULL);
-
-	async->pid = fork();
-	if (async->pid < 0) {
-		error("fork (async) failed: %s", strerror(errno));
-		close_pair(pipe_out);
-		return -1;
-	}
-	if (!async->pid) {
-		close(pipe_out[0]);
-		exit(!!async->proc(pipe_out[1], async->data));
-	}
-	close(pipe_out[1]);
-
-	return 0;
-}
-
-int finish_async(struct async *async)
-{
-	int ret = 0;
-
-	if (wait_or_whine(async->pid))
-		ret = error("waitpid (async) failed");
-
-	return ret;
-}
-
-int run_hook(const char *index_file, const char *name, ...)
-{
-	struct child_process hook;
-	const char **argv = NULL, *env[2];
-	char idx[PATH_MAX];
-	va_list args;
-	int ret;
-	size_t i = 0, alloc = 0;
-
-	if (access(perf_path("hooks/%s", name), X_OK) < 0)
-		return 0;
-
-	va_start(args, name);
-	ALLOC_GROW(argv, i + 1, alloc);
-	argv[i++] = perf_path("hooks/%s", name);
-	while (argv[i-1]) {
-		ALLOC_GROW(argv, i + 1, alloc);
-		argv[i++] = va_arg(args, const char *);
-	}
-	va_end(args);
-
-	memset(&hook, 0, sizeof(hook));
-	hook.argv = argv;
-	hook.no_stdin = 1;
-	hook.stdout_to_stderr = 1;
-	if (index_file) {
-		snprintf(idx, sizeof(idx), "PERF_INDEX_FILE=%s", index_file);
-		env[0] = idx;
-		env[1] = NULL;
-		hook.env = env;
-	}
-
-	ret = start_command(&hook);
-	free(argv);
-	if (ret) {
-		warning("Could not spawn %s", argv[0]);
-		return ret;
-	}
-	ret = finish_command(&hook);
-	if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL)
-		warning("%s exited due to uncaught signal", argv[0]);
-
-	return ret;
-}
diff --git a/tools/perf/util/run-command.h b/tools/perf/util/run-command.h
index d79028727ce..1ef264d5069 100644
--- a/tools/perf/util/run-command.h
+++ b/tools/perf/util/run-command.h
@@ -50,39 +50,9 @@ int start_command(struct child_process *);
 int finish_command(struct child_process *);
 int run_command(struct child_process *);
 
-extern int run_hook(const char *index_file, const char *name, ...);
-
 #define RUN_COMMAND_NO_STDIN 1
 #define RUN_PERF_CMD	     2	/*If this is to be perf sub-command */
 #define RUN_COMMAND_STDOUT_TO_STDERR 4
 int run_command_v_opt(const char **argv, int opt);
 
-/*
- * env (the environment) is to be formatted like environ: "VAR=VALUE".
- * To unset an environment variable use just "VAR".
- */
-int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env);
-
-/*
- * The purpose of the following functions is to feed a pipe by running
- * a function asynchronously and providing output that the caller reads.
- *
- * It is expected that no synchronization and mutual exclusion between
- * the caller and the feed function is necessary so that the function
- * can run in a thread without interfering with the caller.
- */
-struct async {
-	/*
-	 * proc writes to fd and closes it;
-	 * returns 0 on success, non-zero on failure
-	 */
-	int (*proc)(int fd, void *data);
-	void *data;
-	int out;	/* caller reads from here and closes it */
-	pid_t pid;
-};
-
-int start_async(struct async *async);
-int finish_async(struct async *async);
-
 #endif /* __PERF_RUN_COMMAND_H */
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 25bfca4f10f..e4eaa6d02f5 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -5,6 +5,7 @@
 #include <byteswap.h>
 #include <unistd.h>
 #include <sys/types.h>
+#include <sys/mman.h>
 
 #include "session.h"
 #include "sort.h"
diff --git a/tools/perf/util/sigchain.c b/tools/perf/util/sigchain.c
index 1118b99e57d..ba785e9b184 100644
--- a/tools/perf/util/sigchain.c
+++ b/tools/perf/util/sigchain.c
@@ -16,7 +16,7 @@ static void check_signum(int sig)
 		die("BUG: signal out of range: %d", sig);
 }
 
-int sigchain_push(int sig, sigchain_fun f)
+static int sigchain_push(int sig, sigchain_fun f)
 {
 	struct sigchain_signal *s = signals + sig;
 	check_signum(sig);
diff --git a/tools/perf/util/sigchain.h b/tools/perf/util/sigchain.h
index 1a53c11265f..959d64eb555 100644
--- a/tools/perf/util/sigchain.h
+++ b/tools/perf/util/sigchain.h
@@ -3,7 +3,6 @@
 
 typedef void (*sigchain_fun)(int);
 
-int sigchain_push(int sig, sigchain_fun f);
 int sigchain_pop(int sig);
 
 void sigchain_push_common(sigchain_fun f);
diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index 5249d5a1b0c..92e068517c1 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -41,16 +41,6 @@ char *strbuf_detach(struct strbuf *sb, size_t *sz)
 	return res;
 }
 
-void strbuf_attach(struct strbuf *sb, void *buf, size_t len, size_t alloc)
-{
-	strbuf_release(sb);
-	sb->buf   = buf;
-	sb->len   = len;
-	sb->alloc = alloc;
-	strbuf_grow(sb, 0);
-	sb->buf[sb->len] = '\0';
-}
-
 void strbuf_grow(struct strbuf *sb, size_t extra)
 {
 	if (sb->len + extra + 1 <= sb->len)
@@ -60,94 +50,7 @@ void strbuf_grow(struct strbuf *sb, size_t extra)
 	ALLOC_GROW(sb->buf, sb->len + extra + 1, sb->alloc);
 }
 
-void strbuf_trim(struct strbuf *sb)
-{
-	char *b = sb->buf;
-	while (sb->len > 0 && isspace((unsigned char)sb->buf[sb->len - 1]))
-		sb->len--;
-	while (sb->len > 0 && isspace(*b)) {
-		b++;
-		sb->len--;
-	}
-	memmove(sb->buf, b, sb->len);
-	sb->buf[sb->len] = '\0';
-}
-void strbuf_rtrim(struct strbuf *sb)
-{
-	while (sb->len > 0 && isspace((unsigned char)sb->buf[sb->len - 1]))
-		sb->len--;
-	sb->buf[sb->len] = '\0';
-}
-
-void strbuf_ltrim(struct strbuf *sb)
-{
-	char *b = sb->buf;
-	while (sb->len > 0 && isspace(*b)) {
-		b++;
-		sb->len--;
-	}
-	memmove(sb->buf, b, sb->len);
-	sb->buf[sb->len] = '\0';
-}
-
-void strbuf_tolower(struct strbuf *sb)
-{
-	unsigned int i;
-
-	for (i = 0; i < sb->len; i++)
-		sb->buf[i] = tolower(sb->buf[i]);
-}
-
-struct strbuf **strbuf_split(const struct strbuf *sb, int delim)
-{
-	int alloc = 2, pos = 0;
-	char *n, *p;
-	struct strbuf **ret;
-	struct strbuf *t;
-
-	ret = calloc(alloc, sizeof(struct strbuf *));
-	p = n = sb->buf;
-	while (n < sb->buf + sb->len) {
-		int len;
-		n = memchr(n, delim, sb->len - (n - sb->buf));
-		if (pos + 1 >= alloc) {
-			alloc = alloc * 2;
-			ret = realloc(ret, sizeof(struct strbuf *) * alloc);
-		}
-		if (!n)
-			n = sb->buf + sb->len - 1;
-		len = n - p + 1;
-		t = malloc(sizeof(struct strbuf));
-		strbuf_init(t, len);
-		strbuf_add(t, p, len);
-		ret[pos] = t;
-		ret[++pos] = NULL;
-		p = ++n;
-	}
-	return ret;
-}
-
-void strbuf_list_free(struct strbuf **sbs)
-{
-	struct strbuf **s = sbs;
-
-	while (*s) {
-		strbuf_release(*s);
-		free(*s++);
-	}
-	free(sbs);
-}
-
-int strbuf_cmp(const struct strbuf *a, const struct strbuf *b)
-{
-	int len = a->len < b->len ? a->len: b->len;
-	int cmp = memcmp(a->buf, b->buf, len);
-	if (cmp)
-		return cmp;
-	return a->len < b->len ? -1: a->len != b->len;
-}
-
-void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
+static void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
 				   const void *data, size_t dlen)
 {
 	if (pos + len < pos)
@@ -166,11 +69,6 @@ void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
 	strbuf_setlen(sb, sb->len + dlen - len);
 }
 
-void strbuf_insert(struct strbuf *sb, size_t pos, const void *data, size_t len)
-{
-	strbuf_splice(sb, pos, 0, data, len);
-}
-
 void strbuf_remove(struct strbuf *sb, size_t pos, size_t len)
 {
 	strbuf_splice(sb, pos, len, NULL, 0);
@@ -183,13 +81,6 @@ void strbuf_add(struct strbuf *sb, const void *data, size_t len)
 	strbuf_setlen(sb, sb->len + len);
 }
 
-void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len)
-{
-	strbuf_grow(sb, len);
-	memcpy(sb->buf + sb->len, sb->buf + pos, len);
-	strbuf_setlen(sb, sb->len + len);
-}
-
 void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
 {
 	int len;
@@ -214,57 +105,6 @@ void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
 	strbuf_setlen(sb, sb->len + len);
 }
 
-void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn,
-		   void *context)
-{
-	for (;;) {
-		const char *percent;
-		size_t consumed;
-
-		percent = strchrnul(format, '%');
-		strbuf_add(sb, format, percent - format);
-		if (!*percent)
-			break;
-		format = percent + 1;
-
-		consumed = fn(sb, format, context);
-		if (consumed)
-			format += consumed;
-		else
-			strbuf_addch(sb, '%');
-	}
-}
-
-size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder,
-		void *context)
-{
-	struct strbuf_expand_dict_entry *e = context;
-	size_t len;
-
-	for (; e->placeholder && (len = strlen(e->placeholder)); e++) {
-		if (!strncmp(placeholder, e->placeholder, len)) {
-			if (e->value)
-				strbuf_addstr(sb, e->value);
-			return len;
-		}
-	}
-	return 0;
-}
-
-size_t strbuf_fread(struct strbuf *sb, size_t size, FILE *f)
-{
-	size_t res;
-	size_t oldalloc = sb->alloc;
-
-	strbuf_grow(sb, size);
-	res = fread(sb->buf + sb->len, 1, size, f);
-	if (res > 0)
-		strbuf_setlen(sb, sb->len + res);
-	else if (oldalloc == 0)
-		strbuf_release(sb);
-	return res;
-}
-
 ssize_t strbuf_read(struct strbuf *sb, int fd, ssize_t hint)
 {
 	size_t oldlen = sb->len;
@@ -291,70 +131,3 @@ ssize_t strbuf_read(struct strbuf *sb, int fd, ssize_t hint)
 	sb->buf[sb->len] = '\0';
 	return sb->len - oldlen;
 }
-
-#define STRBUF_MAXLINK (2*PATH_MAX)
-
-int strbuf_readlink(struct strbuf *sb, const char *path, ssize_t hint)
-{
-	size_t oldalloc = sb->alloc;
-
-	if (hint < 32)
-		hint = 32;
-
-	while (hint < STRBUF_MAXLINK) {
-		ssize_t len;
-
-		strbuf_grow(sb, hint);
-		len = readlink(path, sb->buf, hint);
-		if (len < 0) {
-			if (errno != ERANGE)
-				break;
-		} else if (len < hint) {
-			strbuf_setlen(sb, len);
-			return 0;
-		}
-
-		/* .. the buffer was too small - try again */
-		hint *= 2;
-	}
-	if (oldalloc == 0)
-		strbuf_release(sb);
-	return -1;
-}
-
-int strbuf_getline(struct strbuf *sb, FILE *fp, int term)
-{
-	int ch;
-
-	strbuf_grow(sb, 0);
-	if (feof(fp))
-		return EOF;
-
-	strbuf_reset(sb);
-	while ((ch = fgetc(fp)) != EOF) {
-		if (ch == term)
-			break;
-		strbuf_grow(sb, 1);
-		sb->buf[sb->len++] = ch;
-	}
-	if (ch == EOF && sb->len == 0)
-		return EOF;
-
-	sb->buf[sb->len] = '\0';
-	return 0;
-}
-
-int strbuf_read_file(struct strbuf *sb, const char *path, ssize_t hint)
-{
-	int fd, len;
-
-	fd = open(path, O_RDONLY);
-	if (fd < 0)
-		return -1;
-	len = strbuf_read(sb, fd, hint);
-	close(fd);
-	if (len < 0)
-		return -1;
-
-	return len;
-}
diff --git a/tools/perf/util/strbuf.h b/tools/perf/util/strbuf.h
index a3d121d6c83..436ac319f6c 100644
--- a/tools/perf/util/strbuf.h
+++ b/tools/perf/util/strbuf.h
@@ -53,12 +53,6 @@ struct strbuf {
 extern void strbuf_init(struct strbuf *buf, ssize_t hint);
 extern void strbuf_release(struct strbuf *);
 extern char *strbuf_detach(struct strbuf *, size_t *);
-extern void strbuf_attach(struct strbuf *, void *, size_t, size_t);
-static inline void strbuf_swap(struct strbuf *a, struct strbuf *b) {
-	struct strbuf tmp = *a;
-	*a = *b;
-	*b = tmp;
-}
 
 /*----- strbuf size related -----*/
 static inline ssize_t strbuf_avail(const struct strbuf *sb) {
@@ -74,17 +68,6 @@ static inline void strbuf_setlen(struct strbuf *sb, size_t len) {
 	sb->len = len;
 	sb->buf[len] = '\0';
 }
-#define strbuf_reset(sb)  strbuf_setlen(sb, 0)
-
-/*----- content related -----*/
-extern void strbuf_trim(struct strbuf *);
-extern void strbuf_rtrim(struct strbuf *);
-extern void strbuf_ltrim(struct strbuf *);
-extern int strbuf_cmp(const struct strbuf *, const struct strbuf *);
-extern void strbuf_tolower(struct strbuf *);
-
-extern struct strbuf **strbuf_split(const struct strbuf *, int delim);
-extern void strbuf_list_free(struct strbuf **);
 
 /*----- add data in your buffer -----*/
 static inline void strbuf_addch(struct strbuf *sb, int c) {
@@ -93,45 +76,17 @@ static inline void strbuf_addch(struct strbuf *sb, int c) {
 	sb->buf[sb->len] = '\0';
 }
 
-extern void strbuf_insert(struct strbuf *, size_t pos, const void *, size_t);
 extern void strbuf_remove(struct strbuf *, size_t pos, size_t len);
 
-/* splice pos..pos+len with given data */
-extern void strbuf_splice(struct strbuf *, size_t pos, size_t len,
-                          const void *, size_t);
-
 extern void strbuf_add(struct strbuf *, const void *, size_t);
 static inline void strbuf_addstr(struct strbuf *sb, const char *s) {
 	strbuf_add(sb, s, strlen(s));
 }
-static inline void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2) {
-	strbuf_add(sb, sb2->buf, sb2->len);
-}
-extern void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len);
-
-typedef size_t (*expand_fn_t) (struct strbuf *sb, const char *placeholder, void *context);
-extern void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn, void *context);
-struct strbuf_expand_dict_entry {
-	const char *placeholder;
-	const char *value;
-};
-extern size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder, void *context);
 
 __attribute__((format(printf,2,3)))
 extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...);
 
-extern size_t strbuf_fread(struct strbuf *, size_t, FILE *);
 /* XXX: if read fails, any partial read is undone */
 extern ssize_t strbuf_read(struct strbuf *, int fd, ssize_t hint);
-extern int strbuf_read_file(struct strbuf *sb, const char *path, ssize_t hint);
-extern int strbuf_readlink(struct strbuf *sb, const char *path, ssize_t hint);
-
-extern int strbuf_getline(struct strbuf *, FILE *, int);
-
-extern void stripspace(struct strbuf *buf, int skip_comments);
-extern int launch_editor(const char *path, struct strbuf *buffer, const char *const *env);
-
-extern int strbuf_branchname(struct strbuf *sb, const char *name);
-extern int strbuf_check_branch_ref(struct strbuf *sb, const char *name);
 
 #endif /* __PERF_STRBUF_H */
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 0795bf304b1..52118a0c0ba 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -152,7 +152,6 @@ extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)))
 extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
 
 extern int prefixcmp(const char *str, const char *prefix);
-extern time_t tm_to_time_t(const struct tm *tm);
 
 static inline const char *skip_prefix(const char *str, const char *prefix)
 {
@@ -160,119 +159,6 @@ static inline const char *skip_prefix(const char *str, const char *prefix)
 	return strncmp(str, prefix, len) ? NULL : str + len;
 }
 
-#if defined(NO_MMAP) || defined(USE_WIN32_MMAP)
-
-#ifndef PROT_READ
-#define PROT_READ 1
-#define PROT_WRITE 2
-#define MAP_PRIVATE 1
-#define MAP_FAILED ((void*)-1)
-#endif
-
-#define mmap git_mmap
-#define munmap git_munmap
-extern void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
-extern int git_munmap(void *start, size_t length);
-
-#else /* NO_MMAP || USE_WIN32_MMAP */
-
-#include <sys/mman.h>
-
-#endif /* NO_MMAP || USE_WIN32_MMAP */
-
-#ifdef NO_MMAP
-
-/* This value must be multiple of (pagesize * 2) */
-#define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)
-
-#else /* NO_MMAP */
-
-/* This value must be multiple of (pagesize * 2) */
-#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
-	(sizeof(void*) >= 8 \
-		?  1 * 1024 * 1024 * 1024 \
-		: 32 * 1024 * 1024)
-
-#endif /* NO_MMAP */
-
-#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
-#define on_disk_bytes(st) ((st).st_size)
-#else
-#define on_disk_bytes(st) ((st).st_blocks * 512)
-#endif
-
-#define DEFAULT_PACKED_GIT_LIMIT \
-	((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
-
-#ifdef NO_PREAD
-#define pread git_pread
-extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
-#endif
-/*
- * Forward decl that will remind us if its twin in cache.h changes.
- * This function is used in compat/pread.c.  But we can't include
- * cache.h there.
- */
-extern ssize_t read_in_full(int fd, void *buf, size_t count);
-
-#ifdef NO_SETENV
-#define setenv gitsetenv
-extern int gitsetenv(const char *, const char *, int);
-#endif
-
-#ifdef NO_MKDTEMP
-#define mkdtemp gitmkdtemp
-extern char *gitmkdtemp(char *);
-#endif
-
-#ifdef NO_UNSETENV
-#define unsetenv gitunsetenv
-extern void gitunsetenv(const char *);
-#endif
-
-#ifdef NO_STRCASESTR
-#define strcasestr gitstrcasestr
-extern char *gitstrcasestr(const char *haystack, const char *needle);
-#endif
-
-#ifdef NO_STRLCPY
-#define strlcpy gitstrlcpy
-extern size_t gitstrlcpy(char *, const char *, size_t);
-#endif
-
-#ifdef NO_STRTOUMAX
-#define strtoumax gitstrtoumax
-extern uintmax_t gitstrtoumax(const char *, char **, int);
-#endif
-
-#ifdef NO_HSTRERROR
-#define hstrerror githstrerror
-extern const char *githstrerror(int herror);
-#endif
-
-#ifdef NO_MEMMEM
-#define memmem gitmemmem
-void *gitmemmem(const void *haystack, size_t haystacklen,
-                const void *needle, size_t needlelen);
-#endif
-
-#ifdef FREAD_READS_DIRECTORIES
-#ifdef fopen
-#undef fopen
-#endif
-#define fopen(a,b) git_fopen(a,b)
-extern FILE *git_fopen(const char*, const char*);
-#endif
-
-#ifdef SNPRINTF_RETURNS_BOGUS
-#define snprintf git_snprintf
-extern int git_snprintf(char *str, size_t maxsize,
-			const char *format, ...);
-#define vsnprintf git_vsnprintf
-extern int git_vsnprintf(char *str, size_t maxsize,
-			 const char *format, va_list ap);
-#endif
-
 #ifdef __GLIBC_PREREQ
 #if __GLIBC_PREREQ(2, 1)
 #define HAVE_STRCHRNUL
@@ -294,7 +180,6 @@ static inline char *gitstrchrnul(const char *s, int c)
  */
 extern char *xstrdup(const char *str);
 extern void *xmalloc(size_t size) __attribute__((weak));
-extern void *xmemdupz(const void *data, size_t len);
 extern char *xstrndup(const char *str, size_t len);
 extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
 
@@ -310,11 +195,6 @@ static inline void *zalloc(size_t size)
 	return calloc(1, size);
 }
 
-static inline size_t xsize_t(off_t len)
-{
-	return (size_t)len;
-}
-
 static inline int has_extension(const char *filename, const char *ext)
 {
 	size_t len = strlen(filename);
@@ -351,8 +231,6 @@ extern unsigned char sane_ctype[256];
 #define isalpha(x) sane_istest(x,GIT_ALPHA)
 #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
 #define isprint(x) sane_istest(x,GIT_PRINT)
-#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
-#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL)
 #define tolower(x) sane_case((unsigned char)(x), 0x20)
 #define toupper(x) sane_case((unsigned char)(x), 0)
 
@@ -363,38 +241,6 @@ static inline int sane_case(int x, int high)
 	return x;
 }
 
-static inline int strtoul_ui(char const *s, int base, unsigned int *result)
-{
-	unsigned long ul;
-	char *p;
-
-	errno = 0;
-	ul = strtoul(s, &p, base);
-	if (errno || *p || p == s || (unsigned int) ul != ul)
-		return -1;
-	*result = ul;
-	return 0;
-}
-
-static inline int strtol_i(char const *s, int base, int *result)
-{
-	long ul;
-	char *p;
-
-	errno = 0;
-	ul = strtol(s, &p, base);
-	if (errno || *p || p == s || (int) ul != ul)
-		return -1;
-	*result = ul;
-	return 0;
-}
-
-#ifdef INTERNAL_QSORT
-void git_qsort(void *base, size_t nmemb, size_t size,
-	       int(*compar)(const void *, const void *));
-#define qsort git_qsort
-#endif
-
 #ifndef DIR_HAS_BSD_GROUP_SEMANTICS
 # define FORCE_DIR_SET_GID S_ISGID
 #else
diff --git a/tools/perf/util/wrapper.c b/tools/perf/util/wrapper.c
index bf44ca85d23..c4ced7c1251 100644
--- a/tools/perf/util/wrapper.c
+++ b/tools/perf/util/wrapper.c
@@ -48,7 +48,7 @@ void *xmalloc(size_t size)
  * and returns a pointer to the allocated memory. If the allocation fails,
  * the program dies.
  */
-void *xmemdupz(const void *data, size_t len)
+static void *xmemdupz(const void *data, size_t len)
 {
 	char *p = xmalloc(len + 1);
 	memcpy(p, data, len);
@@ -78,73 +78,3 @@ void *xrealloc(void *ptr, size_t size)
 	}
 	return ret;
 }
-
-/*
- * xread() is the same a read(), but it automatically restarts read()
- * operations with a recoverable error (EAGAIN and EINTR). xread()
- * DOES NOT GUARANTEE that "len" bytes is read even if the data is available.
- */
-static ssize_t xread(int fd, void *buf, size_t len)
-{
-	ssize_t nr;
-	while (1) {
-		nr = read(fd, buf, len);
-		if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
-			continue;
-		return nr;
-	}
-}
-
-/*
- * xwrite() is the same a write(), but it automatically restarts write()
- * operations with a recoverable error (EAGAIN and EINTR). xwrite() DOES NOT
- * GUARANTEE that "len" bytes is written even if the operation is successful.
- */
-static ssize_t xwrite(int fd, const void *buf, size_t len)
-{
-	ssize_t nr;
-	while (1) {
-		nr = write(fd, buf, len);
-		if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
-			continue;
-		return nr;
-	}
-}
-
-ssize_t read_in_full(int fd, void *buf, size_t count)
-{
-	char *p = buf;
-	ssize_t total = 0;
-
-	while (count > 0) {
-		ssize_t loaded = xread(fd, p, count);
-		if (loaded <= 0)
-			return total ? total : loaded;
-		count -= loaded;
-		p += loaded;
-		total += loaded;
-	}
-
-	return total;
-}
-
-ssize_t write_in_full(int fd, const void *buf, size_t count)
-{
-	const char *p = buf;
-	ssize_t total = 0;
-
-	while (count > 0) {
-		ssize_t written = xwrite(fd, p, count);
-		if (written < 0)
-			return -1;
-		if (!written) {
-			errno = ENOSPC;
-			return -1;
-		}
-		count -= written;
-		p += written;
-		total += written;
-	}
-
-	return total;
-}

From b448c4b613542c16ad66042017946e68da4e422b Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Tue, 18 May 2010 23:04:28 -0300
Subject: [PATCH 2061/3638] perf probe: Fix some error exit paths
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

That could leave filedescriptors open and leak memory. Also stop using
xmalloc, use malloc and handle results just like other error cases in
the same routine that used it.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/probe-finder.c | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 93583eb19cd..d964cb199c6 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -743,32 +743,36 @@ static int find_lazy_match_lines(struct list_head *head,
 				 const char *fname, const char *pat)
 {
 	char *fbuf, *p1, *p2;
-	int fd, ret, line, nlines = 0;
+	int fd, line, nlines = -1;
 	struct stat st;
 
 	fd = open(fname, O_RDONLY);
 	if (fd < 0) {
 		pr_warning("Failed to open %s: %s\n", fname, strerror(-fd));
-		return fd;
+		return -errno;
 	}
 
-	ret = fstat(fd, &st);
-	if (ret < 0) {
+	if (fstat(fd, &st) < 0) {
 		pr_warning("Failed to get the size of %s: %s\n",
 			   fname, strerror(errno));
-		return ret;
+		nlines = -errno;
+		goto out_close;
 	}
-	fbuf = xmalloc(st.st_size + 2);
-	ret = read(fd, fbuf, st.st_size);
-	if (ret < 0) {
+
+	nlines = -ENOMEM;
+	fbuf = malloc(st.st_size + 2);
+	if (fbuf == NULL)
+		goto out_close;
+	if (read(fd, fbuf, st.st_size) < 0) {
 		pr_warning("Failed to read %s: %s\n", fname, strerror(errno));
-		return ret;
+		nlines = -errno;
+		goto out_free_fbuf;
 	}
-	close(fd);
 	fbuf[st.st_size] = '\n';	/* Dummy line */
 	fbuf[st.st_size + 1] = '\0';
 	p1 = fbuf;
 	line = 1;
+	nlines = 0;
 	while ((p2 = strchr(p1, '\n')) != NULL) {
 		*p2 = '\0';
 		if (strlazymatch(p1, pat)) {
@@ -778,7 +782,10 @@ static int find_lazy_match_lines(struct list_head *head,
 		line++;
 		p1 = p2 + 1;
 	}
+out_free_fbuf:
 	free(fbuf);
+out_close:
+	close(fd);
 	return nlines;
 }
 
@@ -955,6 +962,8 @@ int find_kprobe_trace_events(int fd, struct perf_probe_event *pev,
 	if (!dbg) {
 		pr_warning("No dwarf info found in the vmlinux - "
 			"please rebuild with CONFIG_DEBUG_INFO=y.\n");
+		free(pf.tevs);
+		*tevs = NULL;
 		return -EBADF;
 	}
 

From 8a7ddad8e756a72906851fdd5a6e149cbb056e0d Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Tue, 18 May 2010 22:57:27 -0300
Subject: [PATCH 2062/3638] perf probe: Don't call die()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Functions that were calling xzalloc also returned -1 when, for other
reasons, it could fail, and the calleds are coping with failures, so
stop using die() and xzalloc().

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-probe.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 61c6d70732c..e4a4da32a56 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -65,8 +65,10 @@ static int parse_probe_event(const char *str)
 	int ret;
 
 	pr_debug("probe-definition(%d): %s\n", params.nevents, str);
-	if (++params.nevents == MAX_PROBES)
-		die("Too many probes (> %d) are specified.", MAX_PROBES);
+	if (++params.nevents == MAX_PROBES) {
+		pr_err("Too many probes (> %d) were specified.", MAX_PROBES);
+		return -1;
+	}
 
 	/* Parse a perf-probe command into event */
 	ret = parse_perf_probe_command(str, pev);
@@ -84,7 +86,9 @@ static int parse_probe_event_argv(int argc, const char **argv)
 	len = 0;
 	for (i = 0; i < argc; i++)
 		len += strlen(argv[i]) + 1;
-	buf = xzalloc(len + 1);
+	buf = zalloc(len + 1);
+	if (buf == NULL)
+		return -ENOMEM;
 	len = 0;
 	for (i = 0; i < argc; i++)
 		len += sprintf(&buf[len], "%s ", argv[i]);

From 151f85a471d29fc81f70348143d009a729901bc0 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Tue, 18 May 2010 18:54:30 -0300
Subject: [PATCH 2063/3638] perf tools: remove xstrndup, xmalloc, xzalloc
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

All the functions that call this can handle the equivalent, non
panic'ing wrapped routines.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/exec_cmd.c |  4 ++--
 tools/perf/util/path.c     |  2 +-
 tools/perf/util/util.h     |  8 --------
 tools/perf/util/wrapper.c  | 40 --------------------------------------
 4 files changed, 3 insertions(+), 51 deletions(-)

diff --git a/tools/perf/util/exec_cmd.c b/tools/perf/util/exec_cmd.c
index c1b3d34e571..67eeff57156 100644
--- a/tools/perf/util/exec_cmd.c
+++ b/tools/perf/util/exec_cmd.c
@@ -53,8 +53,8 @@ const char *perf_extract_argv0_path(const char *argv0)
 		slash--;
 
 	if (slash >= argv0) {
-		argv0_path = xstrndup(argv0, slash - argv0);
-		return slash + 1;
+		argv0_path = strndup(argv0, slash - argv0);
+		return argv0_path ? slash + 1 : NULL;
 	}
 
 	return argv0;
diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
index b276c187802..58a470d036d 100644
--- a/tools/perf/util/path.c
+++ b/tools/perf/util/path.c
@@ -152,5 +152,5 @@ char *strip_path_suffix(const char *path, const char *suffix)
 
 	if (path_len && !is_dir_sep(path[path_len - 1]))
 		return NULL;
-	return xstrndup(path, chomp_trailing_dir_sep(path, path_len));
+	return strndup(path, chomp_trailing_dir_sep(path, path_len));
 }
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 52118a0c0ba..45b9655f3a5 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -179,16 +179,8 @@ static inline char *gitstrchrnul(const char *s, int c)
  * Wrappers:
  */
 extern char *xstrdup(const char *str);
-extern void *xmalloc(size_t size) __attribute__((weak));
-extern char *xstrndup(const char *str, size_t len);
 extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
 
-static inline void *xzalloc(size_t size)
-{
-	void *buf = xmalloc(size);
-
-	return memset(buf, 0, size);
-}
 
 static inline void *zalloc(size_t size)
 {
diff --git a/tools/perf/util/wrapper.c b/tools/perf/util/wrapper.c
index c4ced7c1251..73e900edb5a 100644
--- a/tools/perf/util/wrapper.c
+++ b/tools/perf/util/wrapper.c
@@ -23,46 +23,6 @@ char *xstrdup(const char *str)
 	return ret;
 }
 
-void *xmalloc(size_t size)
-{
-	void *ret = malloc(size);
-	if (!ret && !size)
-		ret = malloc(1);
-	if (!ret) {
-		release_pack_memory(size, -1);
-		ret = malloc(size);
-		if (!ret && !size)
-			ret = malloc(1);
-		if (!ret)
-			die("Out of memory, malloc failed");
-	}
-#ifdef XMALLOC_POISON
-	memset(ret, 0xA5, size);
-#endif
-	return ret;
-}
-
-/*
- * xmemdupz() allocates (len + 1) bytes of memory, duplicates "len" bytes of
- * "data" to the allocated memory, zero terminates the allocated memory,
- * and returns a pointer to the allocated memory. If the allocation fails,
- * the program dies.
- */
-static void *xmemdupz(const void *data, size_t len)
-{
-	char *p = xmalloc(len + 1);
-	memcpy(p, data, len);
-	p[len] = '\0';
-	return p;
-}
-
-char *xstrndup(const char *str, size_t len)
-{
-	char *p = memchr(str, '\0', len);
-
-	return xmemdupz(str, p ? (size_t)(p - str) : len);
-}
-
 void *xrealloc(void *ptr, size_t size)
 {
 	void *ret = realloc(ptr, size);

From a0e654408954d81c70241a4a470ca85f4fb42829 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcin=20Ko=C5=9Bcielnicki?= <koriakin@0x04.net>
Date: Sun, 11 Apr 2010 18:16:21 +0000
Subject: [PATCH 2064/3638] drm/nouveau: Use 0x5f instead of 0x9f as imageblit
 on original NV10.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv04_fbcon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nv04_fbcon.c b/drivers/gpu/drm/nouveau/nv04_fbcon.c
index 603090ee6ac..1eeac4fae73 100644
--- a/drivers/gpu/drm/nouveau/nv04_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv04_fbcon.c
@@ -236,7 +236,7 @@ nv04_fbcon_accel_init(struct fb_info *info)
 	if (ret)
 		return ret;
 
-	ret = nv04_fbcon_grobj_new(dev, dev_priv->card_type >= NV_10 ?
+	ret = nv04_fbcon_grobj_new(dev, dev_priv->chipset >= 0x11 ?
 				   0x009f : 0x005f, NvImageBlit);
 	if (ret)
 		return ret;

From f23d4cf4bd037194866b7992934d4934ca97464a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcin=20Ko=C5=9Bcielnicki?= <koriakin@0x04.net>
Date: Sun, 11 Apr 2010 18:41:38 +0000
Subject: [PATCH 2065/3638] drm/nv04: Implement missing nv04 PGRAPH methods in
 software.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv04_graph.c | 566 ++++++++++++++++++++++++++-
 1 file changed, 553 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv04_graph.c b/drivers/gpu/drm/nouveau/nv04_graph.c
index e260986ea65..618355e9cdd 100644
--- a/drivers/gpu/drm/nouveau/nv04_graph.c
+++ b/drivers/gpu/drm/nouveau/nv04_graph.c
@@ -532,9 +532,82 @@ nv04_graph_mthd_set_ref(struct nouveau_channel *chan, int grclass,
 	return 0;
 }
 
-static int
-nv04_graph_mthd_set_operation(struct nouveau_channel *chan, int grclass,
-			      int mthd, uint32_t data)
+/*
+ * Software methods, why they are needed, and how they all work:
+ *
+ * NV04 and NV05 keep most of the state in PGRAPH context itself, but some
+ * 2d engine settings are kept inside the grobjs themselves. The grobjs are
+ * 3 words long on both. grobj format on NV04 is:
+ *
+ * word 0:
+ *  - bits 0-7: class
+ *  - bit 12: color key active
+ *  - bit 13: clip rect active
+ *  - bit 14: if set, destination surface is swizzled and taken from buffer 5
+ *            [set by NV04_SWIZZLED_SURFACE], otherwise it's linear and taken
+ *            from buffer 0 [set by NV04_CONTEXT_SURFACES_2D or
+ *            NV03_CONTEXT_SURFACE_DST].
+ *  - bits 15-17: 2d operation [aka patch config]
+ *  - bit 24: patch valid [enables rendering using this object]
+ *  - bit 25: surf3d valid [for tex_tri and multitex_tri only]
+ * word 1:
+ *  - bits 0-1: mono format
+ *  - bits 8-13: color format
+ *  - bits 16-31: DMA_NOTIFY instance
+ * word 2:
+ *  - bits 0-15: DMA_A instance
+ *  - bits 16-31: DMA_B instance
+ *
+ * On NV05 it's:
+ *
+ * word 0:
+ *  - bits 0-7: class
+ *  - bit 12: color key active
+ *  - bit 13: clip rect active
+ *  - bit 14: if set, destination surface is swizzled and taken from buffer 5
+ *            [set by NV04_SWIZZLED_SURFACE], otherwise it's linear and taken
+ *            from buffer 0 [set by NV04_CONTEXT_SURFACES_2D or
+ *            NV03_CONTEXT_SURFACE_DST].
+ *  - bits 15-17: 2d operation [aka patch config]
+ *  - bits 20-22: dither mode
+ *  - bit 24: patch valid [enables rendering using this object]
+ *  - bit 25: surface_dst/surface_color/surf2d/surf3d valid
+ *  - bit 26: surface_src/surface_zeta valid
+ *  - bit 27: pattern valid
+ *  - bit 28: rop valid
+ *  - bit 29: beta1 valid
+ *  - bit 30: beta4 valid
+ * word 1:
+ *  - bits 0-1: mono format
+ *  - bits 8-13: color format
+ *  - bits 16-31: DMA_NOTIFY instance
+ * word 2:
+ *  - bits 0-15: DMA_A instance
+ *  - bits 16-31: DMA_B instance
+ *
+ * NV05 will set/unset the relevant valid bits when you poke the relevant
+ * object-binding methods with object of the proper type, or with the NULL
+ * type. It'll only allow rendering using the grobj if all needed objects
+ * are bound. The needed set of objects depends on selected operation: for
+ * example rop object is needed by ROP_AND, but not by SRCCOPY_AND.
+ *
+ * NV04 doesn't have these methods implemented at all, and doesn't have the
+ * relevant bits in grobj. Instead, it'll allow rendering whenever bit 24
+ * is set. So we have to emulate them in software, internally keeping the
+ * same bits as NV05 does. Since grobjs are aligned to 16 bytes on nv04,
+ * but the last word isn't actually used for anything, we abuse it for this
+ * purpose.
+ *
+ * Actually, NV05 can optionally check bit 24 too, but we disable this since
+ * there's no use for it.
+ *
+ * For unknown reasons, NV04 implements surf3d binding in hardware as an
+ * exception. Also for unknown reasons, NV04 doesn't implement the clipping
+ * methods on the surf3d object, so we have to emulate them too.
+ */
+
+static void
+nv04_graph_set_ctx1(struct nouveau_channel *chan, uint32_t mask, uint32_t value)
 {
 	struct drm_device *dev = chan->dev;
 	uint32_t instance = (nv_rd32(dev, NV04_PGRAPH_CTX_SWITCH4) & 0xffff) << 4;
@@ -542,42 +615,509 @@ nv04_graph_mthd_set_operation(struct nouveau_channel *chan, int grclass,
 	uint32_t tmp;
 
 	tmp  = nv_ri32(dev, instance);
-	tmp &= ~0x00038000;
-	tmp |= ((data & 7) << 15);
+	tmp &= ~mask;
+	tmp |= value;
 
 	nv_wi32(dev, instance, tmp);
 	nv_wr32(dev, NV04_PGRAPH_CTX_SWITCH1, tmp);
 	nv_wr32(dev, NV04_PGRAPH_CTX_CACHE1 + (subc<<2), tmp);
+}
+
+static void
+nv04_graph_set_ctx_val(struct nouveau_channel *chan, uint32_t mask, uint32_t value)
+{
+	struct drm_device *dev = chan->dev;
+	uint32_t instance = (nv_rd32(dev, NV04_PGRAPH_CTX_SWITCH4) & 0xffff) << 4;
+	uint32_t tmp, ctx1;
+	int class, op, valid = 1;
+
+	ctx1 = nv_ri32(dev, instance);
+	class = ctx1 & 0xff;
+	op = (ctx1 >> 15) & 7;
+	tmp  = nv_ri32(dev, instance + 0xc);
+	tmp &= ~mask;
+	tmp |= value;
+	nv_wi32(dev, instance + 0xc, tmp);
+
+	/* check for valid surf2d/surf_dst/surf_color */
+	if (!(tmp & 0x02000000))
+		valid = 0;
+	/* check for valid surf_src/surf_zeta */
+	if ((class == 0x1f || class == 0x48) && !(tmp & 0x04000000))
+		valid = 0;
+
+	switch (op) {
+	/* SRCCOPY_AND, SRCCOPY: no extra objects required */
+	case 0:
+	case 3:
+		break;
+	/* ROP_AND: requires pattern and rop */
+	case 1:
+		if (!(tmp & 0x18000000))
+			valid = 0;
+		break;
+	/* BLEND_AND: requires beta1 */
+	case 2:
+		if (!(tmp & 0x20000000))
+			valid = 0;
+		break;
+	/* SRCCOPY_PREMULT, BLEND_PREMULT: beta4 required */
+	case 4:
+	case 5:
+		if (!(tmp & 0x40000000))
+			valid = 0;
+		break;
+	}
+
+	nv04_graph_set_ctx1(chan, 0x01000000, valid << 24);
+}
+
+static int
+nv04_graph_mthd_set_operation(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	if (data > 5)
+		return 1;
+	/* Old versions of the objects only accept first three operations. */
+	if (data > 2 && grclass < 0x40)
+		return 1;
+	nv04_graph_set_ctx1(chan, 0x00038000, data << 15);
+	/* changing operation changes set of objects needed for validation */
+	nv04_graph_set_ctx_val(chan, 0, 0);
 	return 0;
 }
 
+static int
+nv04_graph_mthd_surf3d_clip_h(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	uint32_t min = data & 0xffff, max;
+	uint32_t w = data >> 16;
+	if (min & 0x8000)
+		/* too large */
+		return 1;
+	if (w & 0x8000)
+		/* yes, it accepts negative for some reason. */
+		w |= 0xffff0000;
+	max = min + w;
+	max &= 0x3ffff;
+	nv_wr32(chan->dev, 0x40053c, min);
+	nv_wr32(chan->dev, 0x400544, max);
+	return 0;
+}
+
+static int
+nv04_graph_mthd_surf3d_clip_v(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	uint32_t min = data & 0xffff, max;
+	uint32_t w = data >> 16;
+	if (min & 0x8000)
+		/* too large */
+		return 1;
+	if (w & 0x8000)
+		/* yes, it accepts negative for some reason. */
+		w |= 0xffff0000;
+	max = min + w;
+	max &= 0x3ffff;
+	nv_wr32(chan->dev, 0x400540, min);
+	nv_wr32(chan->dev, 0x400548, max);
+	return 0;
+}
+
+static int
+nv04_graph_mthd_bind_surf2d(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx1(chan, 0x00004000, 0);
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0);
+		return 0;
+	case 0x42:
+		nv04_graph_set_ctx1(chan, 0x00004000, 0);
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_surf2d_swzsurf(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx1(chan, 0x00004000, 0);
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0);
+		return 0;
+	case 0x42:
+		nv04_graph_set_ctx1(chan, 0x00004000, 0);
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
+		return 0;
+	case 0x52:
+		nv04_graph_set_ctx1(chan, 0x00004000, 0x00004000);
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_nv01_patt(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x08000000, 0);
+		return 0;
+	case 0x18:
+		nv04_graph_set_ctx_val(chan, 0x08000000, 0x08000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_nv04_patt(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x08000000, 0);
+		return 0;
+	case 0x44:
+		nv04_graph_set_ctx_val(chan, 0x08000000, 0x08000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_rop(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x10000000, 0);
+		return 0;
+	case 0x43:
+		nv04_graph_set_ctx_val(chan, 0x10000000, 0x10000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_beta1(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x20000000, 0);
+		return 0;
+	case 0x12:
+		nv04_graph_set_ctx_val(chan, 0x20000000, 0x20000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_beta4(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x40000000, 0);
+		return 0;
+	case 0x72:
+		nv04_graph_set_ctx_val(chan, 0x40000000, 0x40000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_surf_dst(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0);
+		return 0;
+	case 0x58:
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_surf_src(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x04000000, 0);
+		return 0;
+	case 0x59:
+		nv04_graph_set_ctx_val(chan, 0x04000000, 0x04000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_surf_color(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0);
+		return 0;
+	case 0x5a:
+		nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_surf_zeta(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx_val(chan, 0x04000000, 0);
+		return 0;
+	case 0x5b:
+		nv04_graph_set_ctx_val(chan, 0x04000000, 0x04000000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_clip(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx1(chan, 0x2000, 0);
+		return 0;
+	case 0x19:
+		nv04_graph_set_ctx1(chan, 0x2000, 0x2000);
+		return 0;
+	}
+	return 1;
+}
+
+static int
+nv04_graph_mthd_bind_chroma(struct nouveau_channel *chan, int grclass,
+			      int mthd, uint32_t data)
+{
+	switch (nv_ri32(chan->dev, data << 4) & 0xff) {
+	case 0x30:
+		nv04_graph_set_ctx1(chan, 0x1000, 0);
+		return 0;
+	/* Yes, for some reason even the old versions of objects
+	 * accept 0x57 and not 0x17. Consistency be damned.
+	 */
+	case 0x57:
+		nv04_graph_set_ctx1(chan, 0x1000, 0x1000);
+		return 0;
+	}
+	return 1;
+}
+
 static struct nouveau_pgraph_object_method nv04_graph_mthds_sw[] = {
 	{ 0x0150, nv04_graph_mthd_set_ref },
 	{}
 };
 
-static struct nouveau_pgraph_object_method nv04_graph_mthds_set_operation[] = {
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv03_gdirect[] = {
+	{ 0x0184, nv04_graph_mthd_bind_nv01_patt },
+	{ 0x0188, nv04_graph_mthd_bind_rop },
+	{ 0x018c, nv04_graph_mthd_bind_beta1 },
+	{ 0x0190, nv04_graph_mthd_bind_surf_dst },
 	{ 0x02fc, nv04_graph_mthd_set_operation },
 	{},
 };
 
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_gdirect[] = {
+	{ 0x0188, nv04_graph_mthd_bind_nv04_patt },
+	{ 0x018c, nv04_graph_mthd_bind_rop },
+	{ 0x0190, nv04_graph_mthd_bind_beta1 },
+	{ 0x0194, nv04_graph_mthd_bind_beta4 },
+	{ 0x0198, nv04_graph_mthd_bind_surf2d },
+	{ 0x02fc, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv01_imageblit[] = {
+	{ 0x0184, nv04_graph_mthd_bind_chroma },
+	{ 0x0188, nv04_graph_mthd_bind_clip },
+	{ 0x018c, nv04_graph_mthd_bind_nv01_patt },
+	{ 0x0190, nv04_graph_mthd_bind_rop },
+	{ 0x0194, nv04_graph_mthd_bind_beta1 },
+	{ 0x0198, nv04_graph_mthd_bind_surf_dst },
+	{ 0x019c, nv04_graph_mthd_bind_surf_src },
+	{ 0x02fc, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_imageblit_ifc[] = {
+	{ 0x0184, nv04_graph_mthd_bind_chroma },
+	{ 0x0188, nv04_graph_mthd_bind_clip },
+	{ 0x018c, nv04_graph_mthd_bind_nv04_patt },
+	{ 0x0190, nv04_graph_mthd_bind_rop },
+	{ 0x0194, nv04_graph_mthd_bind_beta1 },
+	{ 0x0198, nv04_graph_mthd_bind_beta4 },
+	{ 0x019c, nv04_graph_mthd_bind_surf2d },
+	{ 0x02fc, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_iifc[] = {
+	{ 0x0188, nv04_graph_mthd_bind_chroma },
+	{ 0x018c, nv04_graph_mthd_bind_clip },
+	{ 0x0190, nv04_graph_mthd_bind_nv04_patt },
+	{ 0x0194, nv04_graph_mthd_bind_rop },
+	{ 0x0198, nv04_graph_mthd_bind_beta1 },
+	{ 0x019c, nv04_graph_mthd_bind_beta4 },
+	{ 0x01a0, nv04_graph_mthd_bind_surf2d_swzsurf },
+	{ 0x03e4, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv01_ifc[] = {
+	{ 0x0184, nv04_graph_mthd_bind_chroma },
+	{ 0x0188, nv04_graph_mthd_bind_clip },
+	{ 0x018c, nv04_graph_mthd_bind_nv01_patt },
+	{ 0x0190, nv04_graph_mthd_bind_rop },
+	{ 0x0194, nv04_graph_mthd_bind_beta1 },
+	{ 0x0198, nv04_graph_mthd_bind_surf_dst },
+	{ 0x02fc, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv03_sifc[] = {
+	{ 0x0184, nv04_graph_mthd_bind_chroma },
+	{ 0x0188, nv04_graph_mthd_bind_nv01_patt },
+	{ 0x018c, nv04_graph_mthd_bind_rop },
+	{ 0x0190, nv04_graph_mthd_bind_beta1 },
+	{ 0x0194, nv04_graph_mthd_bind_surf_dst },
+	{ 0x02fc, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_sifc[] = {
+	{ 0x0184, nv04_graph_mthd_bind_chroma },
+	{ 0x0188, nv04_graph_mthd_bind_nv04_patt },
+	{ 0x018c, nv04_graph_mthd_bind_rop },
+	{ 0x0190, nv04_graph_mthd_bind_beta1 },
+	{ 0x0194, nv04_graph_mthd_bind_beta4 },
+	{ 0x0198, nv04_graph_mthd_bind_surf2d },
+	{ 0x02fc, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv03_sifm[] = {
+	{ 0x0188, nv04_graph_mthd_bind_nv01_patt },
+	{ 0x018c, nv04_graph_mthd_bind_rop },
+	{ 0x0190, nv04_graph_mthd_bind_beta1 },
+	{ 0x0194, nv04_graph_mthd_bind_surf_dst },
+	{ 0x0304, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_sifm[] = {
+	{ 0x0188, nv04_graph_mthd_bind_nv04_patt },
+	{ 0x018c, nv04_graph_mthd_bind_rop },
+	{ 0x0190, nv04_graph_mthd_bind_beta1 },
+	{ 0x0194, nv04_graph_mthd_bind_beta4 },
+	{ 0x0198, nv04_graph_mthd_bind_surf2d_swzsurf },
+	{ 0x0304, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv01_shape[] = {
+	{ 0x0184, nv04_graph_mthd_bind_clip },
+	{ 0x0188, nv04_graph_mthd_bind_nv01_patt },
+	{ 0x018c, nv04_graph_mthd_bind_rop },
+	{ 0x0190, nv04_graph_mthd_bind_beta1 },
+	{ 0x0194, nv04_graph_mthd_bind_surf_dst },
+	{ 0x02fc, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_shape[] = {
+	{ 0x0184, nv04_graph_mthd_bind_clip },
+	{ 0x0188, nv04_graph_mthd_bind_nv04_patt },
+	{ 0x018c, nv04_graph_mthd_bind_rop },
+	{ 0x0190, nv04_graph_mthd_bind_beta1 },
+	{ 0x0194, nv04_graph_mthd_bind_beta4 },
+	{ 0x0198, nv04_graph_mthd_bind_surf2d },
+	{ 0x02fc, nv04_graph_mthd_set_operation },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_nv03_tex_tri[] = {
+	{ 0x0188, nv04_graph_mthd_bind_clip },
+	{ 0x018c, nv04_graph_mthd_bind_surf_color },
+	{ 0x0190, nv04_graph_mthd_bind_surf_zeta },
+	{},
+};
+
+static struct nouveau_pgraph_object_method nv04_graph_mthds_surf3d[] = {
+	{ 0x02f8, nv04_graph_mthd_surf3d_clip_h },
+	{ 0x02fc, nv04_graph_mthd_surf3d_clip_v },
+	{},
+};
+
 struct nouveau_pgraph_object_class nv04_graph_grclass[] = {
-	{ 0x0039, false, NULL },
-	{ 0x004a, false, nv04_graph_mthds_set_operation }, /* gdirect */
-	{ 0x005f, false, nv04_graph_mthds_set_operation }, /* imageblit */
-	{ 0x0061, false, nv04_graph_mthds_set_operation }, /* ifc */
-	{ 0x0077, false, nv04_graph_mthds_set_operation }, /* sifm */
+	{ 0x0038, false, NULL }, /* dvd subpicture */
+	{ 0x0039, false, NULL }, /* m2mf */
+	{ 0x004b, false, nv04_graph_mthds_nv03_gdirect }, /* nv03 gdirect */
+	{ 0x004a, false, nv04_graph_mthds_nv04_gdirect }, /* nv04 gdirect */
+	{ 0x001f, false, nv04_graph_mthds_nv01_imageblit }, /* nv01 imageblit */
+	{ 0x005f, false, nv04_graph_mthds_nv04_imageblit_ifc }, /* nv04 imageblit */
+	{ 0x0060, false, nv04_graph_mthds_nv04_iifc }, /* nv04 iifc */
+	{ 0x0064, false, NULL }, /* nv05 iifc */
+	{ 0x0021, false, nv04_graph_mthds_nv01_ifc }, /* nv01 ifc */
+	{ 0x0061, false, nv04_graph_mthds_nv04_imageblit_ifc }, /* nv04 ifc */
+	{ 0x0065, false, NULL }, /* nv05 ifc */
+	{ 0x0036, false, nv04_graph_mthds_nv03_sifc }, /* nv03 sifc */
+	{ 0x0076, false, nv04_graph_mthds_nv04_sifc }, /* nv04 sifc */
+	{ 0x0066, false, NULL }, /* nv05 sifc */
+	{ 0x0037, false, nv04_graph_mthds_nv03_sifm }, /* nv03 sifm */
+	{ 0x0077, false, nv04_graph_mthds_nv04_sifm }, /* nv04 sifm */
 	{ 0x0030, false, NULL }, /* null */
 	{ 0x0042, false, NULL }, /* surf2d */
 	{ 0x0043, false, NULL }, /* rop */
 	{ 0x0012, false, NULL }, /* beta1 */
 	{ 0x0072, false, NULL }, /* beta4 */
 	{ 0x0019, false, NULL }, /* cliprect */
-	{ 0x0044, false, NULL }, /* pattern */
+	{ 0x0018, false, NULL }, /* nv01 pattern */
+	{ 0x0044, false, NULL }, /* nv04 pattern */
 	{ 0x0052, false, NULL }, /* swzsurf */
-	{ 0x0053, false, NULL }, /* surf3d */
+	{ 0x0053, false, nv04_graph_mthds_surf3d }, /* surf3d */
+	{ 0x0048, false, nv04_graph_mthds_nv03_tex_tri }, /* nv03 tex_tri */
 	{ 0x0054, false, NULL }, /* tex_tri */
 	{ 0x0055, false, NULL }, /* multitex_tri */
+	{ 0x0017, false, NULL }, /* nv01 chroma */
+	{ 0x0057, false, NULL }, /* nv04 chroma */
+	{ 0x0058, false, NULL }, /* surf_dst */
+	{ 0x0059, false, NULL }, /* surf_src */
+	{ 0x005a, false, NULL }, /* surf_color */
+	{ 0x005b, false, NULL }, /* surf_zeta */
+	{ 0x001c, false, nv04_graph_mthds_nv01_shape }, /* nv01 line */
+	{ 0x005c, false, nv04_graph_mthds_nv04_shape }, /* nv04 line */
+	{ 0x001d, false, nv04_graph_mthds_nv01_shape }, /* nv01 tri */
+	{ 0x005d, false, nv04_graph_mthds_nv04_shape }, /* nv04 tri */
+	{ 0x001e, false, nv04_graph_mthds_nv01_shape }, /* nv01 rect */
+	{ 0x005e, false, nv04_graph_mthds_nv04_shape }, /* nv04 rect */
 	{ 0x506e, true, nv04_graph_mthds_sw },
 	{}
 };

From de1f46a4b97ad93870a06065cc2ef72e2c89fe35 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 12 Apr 2010 13:35:10 +1000
Subject: [PATCH 2066/3638] drm/nv40: remove some completed ctxprog TODOs

I actually thought these were gone already when the initial commit was
done.. I guess not!

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv40_grctx.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv40_grctx.c b/drivers/gpu/drm/nouveau/nv40_grctx.c
index 11b11c31f54..9b5c9746958 100644
--- a/drivers/gpu/drm/nouveau/nv40_grctx.c
+++ b/drivers/gpu/drm/nouveau/nv40_grctx.c
@@ -115,11 +115,6 @@
 
 /* TODO:
  *  - get vs count from 0x1540
- *  - document unimplemented bits compared to nvidia
- *    - nsource handling
- *    - R0 & 0x0200 handling
- *    - single-vs handling
- *    - 400314 bit 0
  */
 
 static int

From 90af89b93c664f42096ef89edc8f7c7fc776d426 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 15 Apr 2010 14:42:34 +1000
Subject: [PATCH 2067/3638] drm/nouveau: fix a nouveau_bo dereference after
 it's been destroyed

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index fb164efada3..6f3c1952237 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -160,11 +160,11 @@ nouveau_bo_new(struct drm_device *dev, struct nouveau_channel *chan,
 	ret = ttm_bo_init(&dev_priv->ttm.bdev, &nvbo->bo, size,
 			  ttm_bo_type_device, &nvbo->placement, align, 0,
 			  false, NULL, size, nouveau_bo_del_ttm);
-	nvbo->channel = NULL;
 	if (ret) {
 		/* ttm will call nouveau_bo_del_ttm if it fails.. */
 		return ret;
 	}
+	nvbo->channel = NULL;
 
 	spin_lock(&dev_priv->ttm.bo_list_lock);
 	list_add_tail(&nvbo->head, &dev_priv->ttm.bo_list);

From 25908b77979cb7a5a91fe83043897709c60813b3 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 20 Apr 2010 02:28:37 +1000
Subject: [PATCH 2068/3638] drm/nouveau: bios parser fixes for eDP boards

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 124 +++++++++++++++++++++++++
 1 file changed, 124 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index abc382a9918..c11039f90d2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -26,6 +26,7 @@
 #define NV_DEBUG_NOTRACE
 #include "nouveau_drv.h"
 #include "nouveau_hw.h"
+#include "nouveau_encoder.h"
 
 /* these defines are made up */
 #define NV_CIO_CRE_44_HEADA 0x0
@@ -1066,6 +1067,126 @@ init_io_flag_condition(struct nvbios *bios, uint16_t offset,
 	return 2;
 }
 
+static int
+init_dp_condition(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
+{
+	/*
+	 * INIT_DP_CONDITION   opcode: 0x3A ('')
+	 *
+	 * offset      (8 bit): opcode
+	 * offset + 1  (8 bit): "sub" opcode
+	 * offset + 2  (8 bit): unknown
+	 *
+	 */
+
+	struct bit_displayport_encoder_table *dpe = NULL;
+	struct dcb_entry *dcb = bios->display.output;
+	struct drm_device *dev = bios->dev;
+	uint8_t cond = bios->data[offset + 1];
+	int dummy;
+
+	BIOSLOG(bios, "0x%04X: subop 0x%02X\n", offset, cond);
+
+	if (!iexec->execute)
+		return 3;
+
+	dpe = nouveau_bios_dp_table(dev, dcb, &dummy);
+	if (!dpe) {
+		NV_ERROR(dev, "0x%04X: INIT_3A: no encoder table!!\n", offset);
+		return -EINVAL;
+	}
+
+	switch (cond) {
+	case 0:
+	{
+		struct dcb_connector_table_entry *ent =
+			&bios->dcb.connector.entry[dcb->connector];
+
+		if (ent->type != DCB_CONNECTOR_eDP)
+			iexec->execute = false;
+	}
+		break;
+	case 1:
+	case 2:
+		if (!(dpe->unknown & cond))
+			iexec->execute = false;
+		break;
+	case 5:
+	{
+		struct nouveau_i2c_chan *auxch;
+		int ret;
+
+		auxch = nouveau_i2c_find(dev, bios->display.output->i2c_index);
+		if (!auxch)
+			return -ENODEV;
+
+		ret = nouveau_dp_auxch(auxch, 9, 0xd, &cond, 1);
+		if (ret)
+			return ret;
+
+		if (cond & 1)
+			iexec->execute = false;
+	}
+		break;
+	default:
+		NV_WARN(dev, "0x%04X: unknown INIT_3A op: %d\n", offset, cond);
+		break;
+	}
+
+	if (iexec->execute)
+		BIOSLOG(bios, "0x%04X: continuing to execute\n", offset);
+	else
+		BIOSLOG(bios, "0x%04X: skipping following commands\n", offset);
+
+	return 3;
+}
+
+static int
+init_op_3b(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
+{
+	/*
+	 * INIT_3B   opcode: 0x3B ('')
+	 *
+	 * offset      (8 bit): opcode
+	 * offset + 1  (8 bit): crtc index
+	 *
+	 */
+
+	uint8_t or = ffs(bios->display.output->or) - 1;
+	uint8_t index = bios->data[offset + 1];
+	uint8_t data;
+
+	if (!iexec->execute)
+		return 2;
+
+	data = bios_idxprt_rd(bios, 0x3d4, index);
+	bios_idxprt_wr(bios, 0x3d4, index, data & ~(1 << or));
+	return 2;
+}
+
+static int
+init_op_3c(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
+{
+	/*
+	 * INIT_3C   opcode: 0x3C ('')
+	 *
+	 * offset      (8 bit): opcode
+	 * offset + 1  (8 bit): crtc index
+	 *
+	 */
+
+	uint8_t or = ffs(bios->display.output->or) - 1;
+	uint8_t index = bios->data[offset + 1];
+	uint8_t data;
+
+	if (!iexec->execute)
+		return 2;
+
+	data = bios_idxprt_rd(bios, 0x3d4, index);
+	bios_idxprt_wr(bios, 0x3d4, index, data | (1 << or));
+	return 2;
+}
+
 static int
 init_idx_addr_latched(struct nvbios *bios, uint16_t offset,
 		      struct init_exec *iexec)
@@ -2934,6 +3055,9 @@ static struct init_tbl_entry itbl_entry[] = {
 	{ "INIT_COPY"                         , 0x37, init_copy                       },
 	{ "INIT_NOT"                          , 0x38, init_not                        },
 	{ "INIT_IO_FLAG_CONDITION"            , 0x39, init_io_flag_condition          },
+	{ "INIT_DP_CONDITION"                 , 0x3A, init_dp_condition               },
+	{ "INIT_OP_3B"                        , 0x3B, init_op_3b                      },
+	{ "INIT_OP_3C"                        , 0x3C, init_op_3c                      },
 	{ "INIT_INDEX_ADDRESS_LATCHED"        , 0x49, init_idx_addr_latched           },
 	{ "INIT_IO_RESTRICT_PLL2"             , 0x4A, init_io_restrict_pll2           },
 	{ "INIT_PLL2"                         , 0x4B, init_pll2                       },

From 4c389f00d5c1726755e014c3cd87cb371a1dec87 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 23 Apr 2010 03:08:02 +1000
Subject: [PATCH 2069/3638] drm/nouveau: dump pll limits entries when debugging
 is on

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 51 +++++++++++++-------------
 1 file changed, 26 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index c11039f90d2..ba7a120a375 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -4409,31 +4409,32 @@ int get_pll_limits(struct drm_device *dev, uint32_t limit_match, struct pll_lims
 			break;
 		}
 
-#if 0 /* for easy debugging */
-	ErrorF("pll.vco1.minfreq: %d\n", pll_lim->vco1.minfreq);
-	ErrorF("pll.vco1.maxfreq: %d\n", pll_lim->vco1.maxfreq);
-	ErrorF("pll.vco2.minfreq: %d\n", pll_lim->vco2.minfreq);
-	ErrorF("pll.vco2.maxfreq: %d\n", pll_lim->vco2.maxfreq);
-
-	ErrorF("pll.vco1.min_inputfreq: %d\n", pll_lim->vco1.min_inputfreq);
-	ErrorF("pll.vco1.max_inputfreq: %d\n", pll_lim->vco1.max_inputfreq);
-	ErrorF("pll.vco2.min_inputfreq: %d\n", pll_lim->vco2.min_inputfreq);
-	ErrorF("pll.vco2.max_inputfreq: %d\n", pll_lim->vco2.max_inputfreq);
-
-	ErrorF("pll.vco1.min_n: %d\n", pll_lim->vco1.min_n);
-	ErrorF("pll.vco1.max_n: %d\n", pll_lim->vco1.max_n);
-	ErrorF("pll.vco1.min_m: %d\n", pll_lim->vco1.min_m);
-	ErrorF("pll.vco1.max_m: %d\n", pll_lim->vco1.max_m);
-	ErrorF("pll.vco2.min_n: %d\n", pll_lim->vco2.min_n);
-	ErrorF("pll.vco2.max_n: %d\n", pll_lim->vco2.max_n);
-	ErrorF("pll.vco2.min_m: %d\n", pll_lim->vco2.min_m);
-	ErrorF("pll.vco2.max_m: %d\n", pll_lim->vco2.max_m);
-
-	ErrorF("pll.max_log2p: %d\n", pll_lim->max_log2p);
-	ErrorF("pll.log2p_bias: %d\n", pll_lim->log2p_bias);
-
-	ErrorF("pll.refclk: %d\n", pll_lim->refclk);
-#endif
+	NV_DEBUG(dev, "pll.vco1.minfreq: %d\n", pll_lim->vco1.minfreq);
+	NV_DEBUG(dev, "pll.vco1.maxfreq: %d\n", pll_lim->vco1.maxfreq);
+	NV_DEBUG(dev, "pll.vco1.min_inputfreq: %d\n", pll_lim->vco1.min_inputfreq);
+	NV_DEBUG(dev, "pll.vco1.max_inputfreq: %d\n", pll_lim->vco1.max_inputfreq);
+	NV_DEBUG(dev, "pll.vco1.min_n: %d\n", pll_lim->vco1.min_n);
+	NV_DEBUG(dev, "pll.vco1.max_n: %d\n", pll_lim->vco1.max_n);
+	NV_DEBUG(dev, "pll.vco1.min_m: %d\n", pll_lim->vco1.min_m);
+	NV_DEBUG(dev, "pll.vco1.max_m: %d\n", pll_lim->vco1.max_m);
+	if (pll_lim->vco2.maxfreq) {
+		NV_DEBUG(dev, "pll.vco2.minfreq: %d\n", pll_lim->vco2.minfreq);
+		NV_DEBUG(dev, "pll.vco2.maxfreq: %d\n", pll_lim->vco2.maxfreq);
+		NV_DEBUG(dev, "pll.vco2.min_inputfreq: %d\n", pll_lim->vco2.min_inputfreq);
+		NV_DEBUG(dev, "pll.vco2.max_inputfreq: %d\n", pll_lim->vco2.max_inputfreq);
+		NV_DEBUG(dev, "pll.vco2.min_n: %d\n", pll_lim->vco2.min_n);
+		NV_DEBUG(dev, "pll.vco2.max_n: %d\n", pll_lim->vco2.max_n);
+		NV_DEBUG(dev, "pll.vco2.min_m: %d\n", pll_lim->vco2.min_m);
+		NV_DEBUG(dev, "pll.vco2.max_m: %d\n", pll_lim->vco2.max_m);
+	}
+	if (!pll_lim->max_p) {
+		NV_DEBUG(dev, "pll.max_log2p: %d\n", pll_lim->max_log2p);
+		NV_DEBUG(dev, "pll.log2p_bias: %d\n", pll_lim->log2p_bias);
+	} else {
+		NV_DEBUG(dev, "pll.min_p: %d\n", pll_lim->min_p);
+		NV_DEBUG(dev, "pll.max_p: %d\n", pll_lim->max_p);
+	}
+	NV_DEBUG(dev, "pll.refclk: %d\n", pll_lim->refclk);
 
 	return 0;
 }

From 17b96cc38d93c65b3bf4e88ce89cc550dc90abf7 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 23 Apr 2010 03:53:42 +1000
Subject: [PATCH 2070/3638] drm/nv50: output calculated crtc pll when debugging
 on

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv50_crtc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index cfabeb974a5..41fe8aec0a1 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -279,6 +279,9 @@ nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk)
 		return ret;
 
 	if (limits.vco2.maxfreq) {
+		NV_DEBUG(dev, "pclk %d out %d NM1 %d %d NM2 %d %d P %d\n",
+			 pclk, ret, pll.N1, pll.M1, pll.N2, pll.M2, pll.log2P);
+
 		reg1 = nv_rd32(dev, pll_reg + 4) & 0xff00ff00;
 		reg2 = nv_rd32(dev, pll_reg + 8) & 0x8000ff00;
 		nv_wr32(dev, pll_reg, 0x10000611);
@@ -286,6 +289,9 @@ nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk)
 		nv_wr32(dev, pll_reg + 8,
 			reg2 | (pll.log2P << 28) | (pll.M2 << 16) | pll.N2);
 	} else {
+		NV_DEBUG(dev, "pclk %d out %d NM %d %d P %d\n",
+			 pclk, ret, pll.N1, pll.M1, pll.log2P);
+
 		reg1 = nv_rd32(dev, pll_reg + 4) & 0xffc00000;
 		nv_wr32(dev, pll_reg, 0x50000610);
 		nv_wr32(dev, pll_reg + 4, reg1 |

From afa3b4c37772f21b69980c155515927fdecd3a27 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 23 Apr 2010 08:21:48 +1000
Subject: [PATCH 2071/3638] drm/nv50: fix suspend/resume with DP outputs

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_encoder.h |  2 ++
 drivers/gpu/drm/nouveau/nouveau_reg.h     |  1 +
 drivers/gpu/drm/nouveau/nv50_display.c    | 33 +++++++++++++++++++++++
 drivers/gpu/drm/nouveau/nv50_sor.c        | 15 +++++++----
 4 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_encoder.h b/drivers/gpu/drm/nouveau/nouveau_encoder.h
index 9f28b94e479..e1df8209cd0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_encoder.h
+++ b/drivers/gpu/drm/nouveau/nouveau_encoder.h
@@ -48,6 +48,8 @@ struct nouveau_encoder {
 	union {
 		struct {
 			int mc_unknown;
+			uint32_t unk0;
+			uint32_t unk1;
 			int dpcd_version;
 			int link_nr;
 			int link_bw;
diff --git a/drivers/gpu/drm/nouveau/nouveau_reg.h b/drivers/gpu/drm/nouveau/nouveau_reg.h
index aa9b310e41b..6ca80a3fe70 100644
--- a/drivers/gpu/drm/nouveau/nouveau_reg.h
+++ b/drivers/gpu/drm/nouveau/nouveau_reg.h
@@ -826,6 +826,7 @@
 #define NV50_SOR_DP_CTRL_TRAINING_PATTERN_2                          0x02000000
 #define NV50_SOR_DP_UNK118(i,l)          (0x0061c118 + (i) * 0x800 + (l) * 0x80)
 #define NV50_SOR_DP_UNK120(i,l)          (0x0061c120 + (i) * 0x800 + (l) * 0x80)
+#define NV50_SOR_DP_UNK128(i,l)          (0x0061c128 + (i) * 0x800 + (l) * 0x80)
 #define NV50_SOR_DP_UNK130(i,l)          (0x0061c130 + (i) * 0x800 + (l) * 0x80)
 
 #define NV50_PDISPLAY_USER(i)                        ((i) * 0x1000 + 0x00640000)
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 34156b69594..580a5d10be9 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -783,6 +783,37 @@ ack:
 	nv_wr32(dev, 0x610030, 0x80000000);
 }
 
+static void
+nv50_display_unk20_dp_hack(struct drm_device *dev, struct dcb_entry *dcb)
+{
+	int or = ffs(dcb->or) - 1, link = !(dcb->dpconf.sor.link & 1);
+	struct drm_encoder *encoder;
+	uint32_t tmp, unk0 = 0, unk1 = 0;
+
+	if (dcb->type != OUTPUT_DP)
+		return;
+
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+
+		if (nv_encoder->dcb == dcb) {
+			unk0 = nv_encoder->dp.unk0;
+			unk1 = nv_encoder->dp.unk1;
+			break;
+		}
+	}
+
+	if (unk0 || unk1) {
+		tmp  = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link));
+		tmp &= 0xfffffe03;
+		nv_wr32(dev, NV50_SOR_DP_CTRL(or, link), tmp | unk0);
+
+		tmp  = nv_rd32(dev, NV50_SOR_DP_UNK128(or, link));
+		tmp &= 0xfef080c0;
+		nv_wr32(dev, NV50_SOR_DP_UNK128(or, link), tmp | unk1);
+	}
+}
+
 static void
 nv50_display_unk20_handler(struct drm_device *dev)
 {
@@ -806,6 +837,8 @@ nv50_display_unk20_handler(struct drm_device *dev)
 
 	nouveau_bios_run_display_table(dev, dcbent, script, pclk);
 
+	nv50_display_unk20_dp_hack(dev, dcbent);
+
 	tmp = nv_rd32(dev, NV50_PDISPLAY_CRTC_CLK_CTRL2(head));
 	tmp &= ~0x000000f;
 	nv_wr32(dev, NV50_PDISPLAY_CRTC_CLK_CTRL2(head), tmp);
diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
index 0c68698f23d..b11eaf9c5c7 100644
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
@@ -321,18 +321,23 @@ nv50_sor_create(struct drm_device *dev, struct dcb_entry *entry)
 	encoder->possible_clones = 0;
 
 	if (nv_encoder->dcb->type == OUTPUT_DP) {
-		uint32_t mc, or = nv_encoder->or;
+		int or = nv_encoder->or, link = !(entry->dpconf.sor.link & 1);
+		uint32_t tmp;
 
 		if (dev_priv->chipset < 0x90 ||
 		    dev_priv->chipset == 0x92 || dev_priv->chipset == 0xa0)
-			mc = nv_rd32(dev, NV50_PDISPLAY_SOR_MODE_CTRL_C(or));
+			tmp = nv_rd32(dev, NV50_PDISPLAY_SOR_MODE_CTRL_C(or));
 		else
-			mc = nv_rd32(dev, NV90_PDISPLAY_SOR_MODE_CTRL_C(or));
+			tmp = nv_rd32(dev, NV90_PDISPLAY_SOR_MODE_CTRL_C(or));
 
-		switch ((mc & 0x00000f00) >> 8) {
+		switch ((tmp & 0x00000f00) >> 8) {
 		case 8:
 		case 9:
-			nv_encoder->dp.mc_unknown = (mc & 0x000f0000) >> 16;
+			nv_encoder->dp.mc_unknown = (tmp & 0x000f0000) >> 16;
+			tmp = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link));
+			nv_encoder->dp.unk0 = tmp & 0x000001fc;
+			tmp = nv_rd32(dev, NV50_SOR_DP_UNK128(or, link));
+			nv_encoder->dp.unk1 = tmp & 0x010f7f3f;
 			break;
 		default:
 			break;

From 07fee3d561eb7634b08e4362dc9c5c5708facd03 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Sat, 24 Apr 2010 03:05:56 +1000
Subject: [PATCH 2072/3638] drm/nv50: store full dcb i2c entry from vbios

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 8 ++++++--
 drivers/gpu/drm/nouveau/nouveau_bios.h | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index ba7a120a375..3c9c54e16a5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -5141,8 +5141,12 @@ read_dcb_i2c_entry(struct drm_device *dev, int dcb_version, uint8_t *i2ctable, i
 			rdofs = wrofs = 0;
 	}
 
-	if (dcb_i2c_ver >= 0x40 && port_type != 5 && port_type != 6)
-		NV_WARN(dev, "DCB I2C table has port type %d\n", port_type);
+	if (dcb_i2c_ver >= 0x40) {
+		if (port_type != 5 && port_type != 6)
+			NV_WARN(dev, "DCB I2C table has port type %d\n", port_type);
+
+		i2c->entry = ROM32(i2ctable[headerlen + recordoffset + entry_len * index]);
+	}
 
 	i2c->port_type = port_type;
 	i2c->read = i2ctable[headerlen + recordoffset + rdofs + entry_len * index];
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index c0d7b0a3ece..adf4ec2d06c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -35,6 +35,7 @@
 #define DCB_LOC_ON_CHIP 0
 
 struct dcb_i2c_entry {
+	uint32_t entry;
 	uint8_t port_type;
 	uint8_t read, write;
 	struct nouveau_i2c_chan *chan;

From 7e99a9b2b5386c0ea4234d2845932ff4ab8e4829 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Sat, 24 Apr 2010 03:53:14 +1000
Subject: [PATCH 2073/3638] drm/nv50: fix monitor detection on certain chipsets

There appears to be some kind of switch on certain chips to control whether
the DP auxch or traditional i2c bus will be operational on a connector,
this commit hopefully fixes nouveau to do the right thing.

Likely only relevent on chips with DP outputs.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_i2c.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c
index 88583e7bf65..316a3c7e6eb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_i2c.c
+++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c
@@ -254,16 +254,27 @@ struct nouveau_i2c_chan *
 nouveau_i2c_find(struct drm_device *dev, int index)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->vbios;
+	struct dcb_i2c_entry *i2c = &dev_priv->vbios.dcb.i2c[index];
 
 	if (index >= DCB_MAX_NUM_I2C_ENTRIES)
 		return NULL;
 
-	if (!bios->dcb.i2c[index].chan) {
-		if (nouveau_i2c_init(dev, &bios->dcb.i2c[index], index))
-			return NULL;
+	if (dev_priv->chipset >= NV_50 && (i2c->entry & 0x00000100)) {
+		uint32_t reg = 0xe500, val;
+
+		if (i2c->port_type == 6) {
+			reg += i2c->read * 0x50;
+			val  = 0x2002;
+		} else {
+			reg += ((i2c->entry & 0x1e00) >> 9) * 0x50;
+			val  = 0xe001;
+		}
+
+		nv_wr32(dev, reg, (nv_rd32(dev, reg) & ~0xf003) | val);
 	}
 
-	return bios->dcb.i2c[index].chan;
+	if (!i2c->chan && nouveau_i2c_init(dev, i2c, index))
+		return NULL;
+	return i2c->chan;
 }
 

From d46a5ac7a7e2045e33c6ad6ffb8cf18a7e86a15a Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 19 May 2010 13:43:14 +1000
Subject: [PATCH 2074/3638] padata: Use a timer to handle remaining objects in
 the reorder queues

padata_get_next needs to check whether the next object that
need serialization must be parallel processed by the local cpu.
This check was wrong implemented and returned always true,
so the try_again loop in padata_reorder was never taken. This
can lead to object leaks in some rare cases due to a race that
appears with the trylock in padata_reorder. The try_again loop
was not a good idea after all, because a cpu could take that
loop frequently, so we handle this with a timer instead.

This patch adds a timer to handle the race that appears with
the trylock. If cpu1 queues an object to the reorder queue while
cpu2 holds the pd->lock but left the while loop in padata_reorder
already, cpu2 can't care for this object and cpu1 exits because
it can't get the lock. Usually the next cpu that takes the lock
cares for this object too. We need the timer just if this object
was the last one that arrives to the reorder queues. The timer
function sends it out in this case.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 include/linux/padata.h |  2 ++
 kernel/padata.c        | 25 ++++++++++++++++++-------
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/include/linux/padata.h b/include/linux/padata.h
index 51611da9c49..64836a63bd1 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -24,6 +24,7 @@
 #include <linux/workqueue.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
+#include <linux/timer.h>
 
 struct padata_priv {
 	struct list_head	list;
@@ -60,6 +61,7 @@ struct parallel_data {
 	unsigned int		max_seq_nr;
 	cpumask_var_t		cpumask;
 	spinlock_t              lock;
+	struct timer_list       timer;
 };
 
 struct padata_instance {
diff --git a/kernel/padata.c b/kernel/padata.c
index 82958e01564..6d7ea481b71 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -231,7 +231,8 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd)
 		goto out;
 	}
 
-	if (next_nr % num_cpus == next_queue->cpu_index) {
+	queue = per_cpu_ptr(pd->queue, smp_processor_id());
+	if (queue->cpu_index == next_queue->cpu_index) {
 		padata = ERR_PTR(-ENODATA);
 		goto out;
 	}
@@ -247,9 +248,8 @@ static void padata_reorder(struct parallel_data *pd)
 	struct padata_queue *queue;
 	struct padata_instance *pinst = pd->pinst;
 
-try_again:
 	if (!spin_trylock_bh(&pd->lock))
-		goto out;
+		return;
 
 	while (1) {
 		padata = padata_get_next(pd);
@@ -258,8 +258,9 @@ try_again:
 			break;
 
 		if (PTR_ERR(padata) == -ENODATA) {
+			del_timer(&pd->timer);
 			spin_unlock_bh(&pd->lock);
-			goto out;
+			return;
 		}
 
 		queue = per_cpu_ptr(pd->queue, padata->cb_cpu);
@@ -273,13 +274,22 @@ try_again:
 
 	spin_unlock_bh(&pd->lock);
 
-	if (atomic_read(&pd->reorder_objects))
-		goto try_again;
+	if (atomic_read(&pd->reorder_objects)
+			&& !(pinst->flags & PADATA_RESET))
+		mod_timer(&pd->timer, jiffies + HZ);
+	else
+		del_timer(&pd->timer);
 
-out:
 	return;
 }
 
+static void padata_reorder_timer(unsigned long arg)
+{
+	struct parallel_data *pd = (struct parallel_data *)arg;
+
+	padata_reorder(pd);
+}
+
 static void padata_serial_worker(struct work_struct *work)
 {
 	struct padata_queue *queue;
@@ -383,6 +393,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
 	num_cpus = cpumask_weight(pd->cpumask);
 	pd->max_seq_nr = (MAX_SEQ_NR / num_cpus) * num_cpus - 1;
 
+	setup_timer(&pd->timer, padata_reorder_timer, (unsigned long)pd);
 	atomic_set(&pd->seq_nr, -1);
 	atomic_set(&pd->reorder_objects, 0);
 	atomic_set(&pd->refcnt, 0);

From 2b73b07ab8a44ce171e07a328439f311481a7ea7 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 19 May 2010 13:43:46 +1000
Subject: [PATCH 2075/3638] padata: Flush the padata queues actively

yield was used to wait until all references of the internal control
structure in use are dropped before it is freed. This patch implements
padata_flush_queues which actively flushes the padata percpu queues
in this case.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 kernel/padata.c | 33 +++++++++++++++++++++++++--------
 1 file changed, 25 insertions(+), 8 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 6d7ea481b71..ec6b8b7cf95 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -417,6 +417,29 @@ static void padata_free_pd(struct parallel_data *pd)
 	kfree(pd);
 }
 
+static void padata_flush_queues(struct parallel_data *pd)
+{
+	int cpu;
+	struct padata_queue *queue;
+
+	for_each_cpu(cpu, pd->cpumask) {
+		queue = per_cpu_ptr(pd->queue, cpu);
+		flush_work(&queue->pwork);
+	}
+
+	del_timer_sync(&pd->timer);
+
+	if (atomic_read(&pd->reorder_objects))
+		padata_reorder(pd);
+
+	for_each_cpu(cpu, pd->cpumask) {
+		queue = per_cpu_ptr(pd->queue, cpu);
+		flush_work(&queue->swork);
+	}
+
+	BUG_ON(atomic_read(&pd->refcnt) != 0);
+}
+
 static void padata_replace(struct padata_instance *pinst,
 			   struct parallel_data *pd_new)
 {
@@ -428,11 +451,7 @@ static void padata_replace(struct padata_instance *pinst,
 
 	synchronize_rcu();
 
-	while (atomic_read(&pd_old->refcnt) != 0)
-		yield();
-
-	flush_workqueue(pinst->wq);
-
+	padata_flush_queues(pd_old);
 	padata_free_pd(pd_old);
 
 	pinst->flags &= ~PADATA_RESET;
@@ -695,12 +714,10 @@ void padata_free(struct padata_instance *pinst)
 
 	synchronize_rcu();
 
-	while (atomic_read(&pinst->pd->refcnt) != 0)
-		yield();
-
 #ifdef CONFIG_HOTPLUG_CPU
 	unregister_hotcpu_notifier(&pinst->cpu_notifier);
 #endif
+	padata_flush_queues(pinst->pd);
 	padata_free_pd(pinst->pd);
 	free_cpumask_var(pinst->cpumask);
 	kfree(pinst);

From 0198ffd135f51d4fbb0c50036395716c06632ed9 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 19 May 2010 13:44:27 +1000
Subject: [PATCH 2076/3638] padata: Add some code comments

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 include/linux/padata.h | 53 ++++++++++++++++++++++++++++++++
 kernel/padata.c        | 68 +++++++++++++++++++++++++++++++++++-------
 2 files changed, 110 insertions(+), 11 deletions(-)

diff --git a/include/linux/padata.h b/include/linux/padata.h
index 64836a63bd1..8d8406246ee 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -26,6 +26,17 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 
+/**
+ * struct padata_priv -  Embedded to the users data structure.
+ *
+ * @list: List entry, to attach to the padata lists.
+ * @pd: Pointer to the internal control structure.
+ * @cb_cpu: Callback cpu for serializatioon.
+ * @seq_nr: Sequence number of the parallelized data object.
+ * @info: Used to pass information from the parallel to the serial function.
+ * @parallel: Parallel execution function.
+ * @serial: Serial complete function.
+ */
 struct padata_priv {
 	struct list_head	list;
 	struct parallel_data	*pd;
@@ -36,11 +47,29 @@ struct padata_priv {
 	void                    (*serial)(struct padata_priv *padata);
 };
 
+/**
+ * struct padata_list
+ *
+ * @list: List head.
+ * @lock: List lock.
+ */
 struct padata_list {
 	struct list_head        list;
 	spinlock_t              lock;
 };
 
+/**
+ * struct padata_queue - The percpu padata queues.
+ *
+ * @parallel: List to wait for parallelization.
+ * @reorder: List to wait for reordering after parallel processing.
+ * @serial: List to wait for serialization after reordering.
+ * @pwork: work struct for parallelization.
+ * @swork: work struct for serialization.
+ * @pd: Backpointer to the internal control structure.
+ * @num_obj: Number of objects that are processed by this cpu.
+ * @cpu_index: Index of the cpu.
+ */
 struct padata_queue {
 	struct padata_list	parallel;
 	struct padata_list	reorder;
@@ -52,6 +81,20 @@ struct padata_queue {
 	int			cpu_index;
 };
 
+/**
+ * struct parallel_data - Internal control structure, covers everything
+ * that depends on the cpumask in use.
+ *
+ * @pinst: padata instance.
+ * @queue: percpu padata queues.
+ * @seq_nr: The sequence number that will be attached to the next object.
+ * @reorder_objects: Number of objects waiting in the reorder queues.
+ * @refcnt: Number of objects holding a reference on this parallel_data.
+ * @max_seq_nr:  Maximal used sequence number.
+ * @cpumask: cpumask in use.
+ * @lock: Reorder lock.
+ * @timer: Reorder timer.
+ */
 struct parallel_data {
 	struct padata_instance	*pinst;
 	struct padata_queue	*queue;
@@ -64,6 +107,16 @@ struct parallel_data {
 	struct timer_list       timer;
 };
 
+/**
+ * struct padata_instance - The overall control structure.
+ *
+ * @cpu_notifier: cpu hotplug notifier.
+ * @wq: The workqueue in use.
+ * @pd: The internal control structure.
+ * @cpumask: User supplied cpumask.
+ * @lock: padata instance lock.
+ * @flags: padata flags.
+ */
 struct padata_instance {
 	struct notifier_block   cpu_notifier;
 	struct workqueue_struct *wq;
diff --git a/kernel/padata.c b/kernel/padata.c
index ec6b8b7cf95..ca89dfb6980 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -88,7 +88,7 @@ static void padata_parallel_worker(struct work_struct *work)
 	local_bh_enable();
 }
 
-/*
+/**
  * padata_do_parallel - padata parallelization function
  *
  * @pinst: padata instance
@@ -152,6 +152,23 @@ out:
 }
 EXPORT_SYMBOL(padata_do_parallel);
 
+/*
+ * padata_get_next - Get the next object that needs serialization.
+ *
+ * Return values are:
+ *
+ * A pointer to the control struct of the next object that needs
+ * serialization, if present in one of the percpu reorder queues.
+ *
+ * NULL, if all percpu reorder queues are empty.
+ *
+ * -EINPROGRESS, if the next object that needs serialization will
+ *  be parallel processed by another cpu and is not yet present in
+ *  the cpu's reorder queue.
+ *
+ * -ENODATA, if this cpu has to do the parallel processing for
+ *  the next object.
+ */
 static struct padata_priv *padata_get_next(struct parallel_data *pd)
 {
 	int cpu, num_cpus, empty, calc_seq_nr;
@@ -173,7 +190,7 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd)
 
 		/*
 		 * Calculate the seq_nr of the object that should be
-		 * next in this queue.
+		 * next in this reorder queue.
 		 */
 		overrun = 0;
 		calc_seq_nr = (atomic_read(&queue->num_obj) * num_cpus)
@@ -248,15 +265,36 @@ static void padata_reorder(struct parallel_data *pd)
 	struct padata_queue *queue;
 	struct padata_instance *pinst = pd->pinst;
 
+	/*
+	 * We need to ensure that only one cpu can work on dequeueing of
+	 * the reorder queue the time. Calculating in which percpu reorder
+	 * queue the next object will arrive takes some time. A spinlock
+	 * would be highly contended. Also it is not clear in which order
+	 * the objects arrive to the reorder queues. So a cpu could wait to
+	 * get the lock just to notice that there is nothing to do at the
+	 * moment. Therefore we use a trylock and let the holder of the lock
+	 * care for all the objects enqueued during the holdtime of the lock.
+	 */
 	if (!spin_trylock_bh(&pd->lock))
 		return;
 
 	while (1) {
 		padata = padata_get_next(pd);
 
+		/*
+		 * All reorder queues are empty, or the next object that needs
+		 * serialization is parallel processed by another cpu and is
+		 * still on it's way to the cpu's reorder queue, nothing to
+		 * do for now.
+		 */
 		if (!padata || PTR_ERR(padata) == -EINPROGRESS)
 			break;
 
+		/*
+		 * This cpu has to do the parallel processing of the next
+		 * object. It's waiting in the cpu's parallelization queue,
+		 * so exit imediately.
+		 */
 		if (PTR_ERR(padata) == -ENODATA) {
 			del_timer(&pd->timer);
 			spin_unlock_bh(&pd->lock);
@@ -274,6 +312,11 @@ static void padata_reorder(struct parallel_data *pd)
 
 	spin_unlock_bh(&pd->lock);
 
+	/*
+	 * The next object that needs serialization might have arrived to
+	 * the reorder queues in the meantime, we will be called again
+	 * from the timer function if noone else cares for it.
+	 */
 	if (atomic_read(&pd->reorder_objects)
 			&& !(pinst->flags & PADATA_RESET))
 		mod_timer(&pd->timer, jiffies + HZ);
@@ -318,7 +361,7 @@ static void padata_serial_worker(struct work_struct *work)
 	local_bh_enable();
 }
 
-/*
+/**
  * padata_do_serial - padata serialization function
  *
  * @padata: object to be serialized.
@@ -348,6 +391,7 @@ void padata_do_serial(struct padata_priv *padata)
 }
 EXPORT_SYMBOL(padata_do_serial);
 
+/* Allocate and initialize the internal cpumask dependend resources. */
 static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
 					     const struct cpumask *cpumask)
 {
@@ -417,6 +461,7 @@ static void padata_free_pd(struct parallel_data *pd)
 	kfree(pd);
 }
 
+/* Flush all objects out of the padata queues. */
 static void padata_flush_queues(struct parallel_data *pd)
 {
 	int cpu;
@@ -440,6 +485,7 @@ static void padata_flush_queues(struct parallel_data *pd)
 	BUG_ON(atomic_read(&pd->refcnt) != 0);
 }
 
+/* Replace the internal control stucture with a new one. */
 static void padata_replace(struct padata_instance *pinst,
 			   struct parallel_data *pd_new)
 {
@@ -457,7 +503,7 @@ static void padata_replace(struct padata_instance *pinst,
 	pinst->flags &= ~PADATA_RESET;
 }
 
-/*
+/**
  * padata_set_cpumask - set the cpumask that padata should use
  *
  * @pinst: padata instance
@@ -507,7 +553,7 @@ static int __padata_add_cpu(struct padata_instance *pinst, int cpu)
 	return 0;
 }
 
-/*
+/**
  * padata_add_cpu - add a cpu to the padata cpumask
  *
  * @pinst: padata instance
@@ -545,7 +591,7 @@ static int __padata_remove_cpu(struct padata_instance *pinst, int cpu)
 	return 0;
 }
 
-/*
+/**
  * padata_remove_cpu - remove a cpu from the padata cpumask
  *
  * @pinst: padata instance
@@ -568,7 +614,7 @@ int padata_remove_cpu(struct padata_instance *pinst, int cpu)
 }
 EXPORT_SYMBOL(padata_remove_cpu);
 
-/*
+/**
  * padata_start - start the parallel processing
  *
  * @pinst: padata instance to start
@@ -581,7 +627,7 @@ void padata_start(struct padata_instance *pinst)
 }
 EXPORT_SYMBOL(padata_start);
 
-/*
+/**
  * padata_stop - stop the parallel processing
  *
  * @pinst: padata instance to stop
@@ -648,7 +694,7 @@ static int padata_cpu_callback(struct notifier_block *nfb,
 }
 #endif
 
-/*
+/**
  * padata_alloc - allocate and initialize a padata instance
  *
  * @cpumask: cpumask that padata uses for parallelization
@@ -703,10 +749,10 @@ err:
 }
 EXPORT_SYMBOL(padata_alloc);
 
-/*
+/**
  * padata_free - free a padata instance
  *
- * @ padata_inst: padata instance to free
+ * @padata_inst: padata instance to free
  */
 void padata_free(struct padata_instance *pinst)
 {

From 3789ae7dcd29fa146b23dc30377925d1f73c8adf Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 19 May 2010 13:45:35 +1000
Subject: [PATCH 2077/3638] padata: Use get_online_cpus/put_online_cpus in
 padata_free

Add get_online_cpus/put_online_cpus to ensure that no cpu goes
offline during the flushing of the padata percpu queues.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 kernel/padata.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/padata.c b/kernel/padata.c
index ca89dfb6980..b1c9857f840 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -763,7 +763,10 @@ void padata_free(struct padata_instance *pinst)
 #ifdef CONFIG_HOTPLUG_CPU
 	unregister_hotcpu_notifier(&pinst->cpu_notifier);
 #endif
+	get_online_cpus();
 	padata_flush_queues(pinst->pd);
+	put_online_cpus();
+
 	padata_free_pd(pinst->pd);
 	free_cpumask_var(pinst->cpumask);
 	kfree(pinst);

From 3385329a0a0f1d31ca1d011c7887006a7e5a9902 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 19 May 2010 13:56:37 +1000
Subject: [PATCH 2078/3638] crypto: hifn_795x - Rename ablkcipher_walk to
 hifn_cipher_walk

This is in preparation for the generic ablkcipher_walk helpers that
will be added to the crypto layer.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/hifn_795x.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 73e8b1713b5..16fce3aadf4 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -638,7 +638,7 @@ struct hifn_crypto_alg
 
 #define ASYNC_FLAGS_MISALIGNED	(1<<0)
 
-struct ablkcipher_walk
+struct hifn_cipher_walk
 {
 	struct scatterlist	cache[ASYNC_SCATTERLIST_CACHE];
 	u32			flags;
@@ -657,7 +657,7 @@ struct hifn_request_context
 	u8			*iv;
 	unsigned int		ivsize;
 	u8			op, type, mode, unused;
-	struct ablkcipher_walk	walk;
+	struct hifn_cipher_walk	walk;
 };
 
 #define crypto_alg_to_hifn(a)	container_of(a, struct hifn_crypto_alg, alg)
@@ -1417,7 +1417,7 @@ static int hifn_setup_dma(struct hifn_device *dev,
 	return 0;
 }
 
-static int ablkcipher_walk_init(struct ablkcipher_walk *w,
+static int hifn_cipher_walk_init(struct hifn_cipher_walk *w,
 		int num, gfp_t gfp_flags)
 {
 	int i;
@@ -1442,7 +1442,7 @@ static int ablkcipher_walk_init(struct ablkcipher_walk *w,
 	return i;
 }
 
-static void ablkcipher_walk_exit(struct ablkcipher_walk *w)
+static void hifn_cipher_walk_exit(struct hifn_cipher_walk *w)
 {
 	int i;
 
@@ -1486,8 +1486,8 @@ static int ablkcipher_add(unsigned int *drestp, struct scatterlist *dst,
 	return idx;
 }
 
-static int ablkcipher_walk(struct ablkcipher_request *req,
-		struct ablkcipher_walk *w)
+static int hifn_cipher_walk(struct ablkcipher_request *req,
+		struct hifn_cipher_walk *w)
 {
 	struct scatterlist *dst, *t;
 	unsigned int nbytes = req->nbytes, offset, copy, diff;
@@ -1600,12 +1600,12 @@ static int hifn_setup_session(struct ablkcipher_request *req)
 	}
 
 	if (rctx->walk.flags & ASYNC_FLAGS_MISALIGNED) {
-		err = ablkcipher_walk_init(&rctx->walk, idx, GFP_ATOMIC);
+		err = hifn_cipher_walk_init(&rctx->walk, idx, GFP_ATOMIC);
 		if (err < 0)
 			return err;
 	}
 
-	sg_num = ablkcipher_walk(req, &rctx->walk);
+	sg_num = hifn_cipher_walk(req, &rctx->walk);
 	if (sg_num < 0) {
 		err = sg_num;
 		goto err_out_exit;
@@ -1806,7 +1806,7 @@ static void hifn_process_ready(struct ablkcipher_request *req, int error)
 			kunmap_atomic(saddr, KM_SOFTIRQ0);
 		}
 
-		ablkcipher_walk_exit(&rctx->walk);
+		hifn_cipher_walk_exit(&rctx->walk);
 	}
 
 	req->base.complete(&req->base, error);

From 85c6201a80ce4464a52c58a5f5ea8de15a557a6f Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 19 May 2010 14:06:29 +1000
Subject: [PATCH 2079/3638] crypto: scatterwalk - Fix scatterwalk_done() test

We are done with the scattergather entry when the walk offset goes
past sg->offset + sg->length, not when it crosses a page boundary.

There is a similarly queer test in the second half of
scatterwalk_pagedone() that probably needs some scrutiny.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/scatterwalk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index 3de89a42440..41e529af077 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -68,7 +68,7 @@ static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
 
 void scatterwalk_done(struct scatter_walk *walk, int out, int more)
 {
-	if (!offset_in_page(walk->offset) || !more)
+	if (!(scatterwalk_pagelen(walk) & (PAGE_SIZE - 1)) || !more)
 		scatterwalk_pagedone(walk, out, more);
 }
 EXPORT_SYMBOL_GPL(scatterwalk_done);

From beb63da739f797519aa9990297697abf4db1ac0d Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 19 May 2010 14:11:21 +1000
Subject: [PATCH 2080/3638] crypto: tcrypt - Add speed tests for async hashing

These are invoked in the 'mode' range of 400 to 499.

The cost of async vs. sync for the software algorithm implementations
varies.  It can be as low as 16 cycles but as much as a couple hundred.

Here two runs of md5 testing, async then sync:

testing speed of async md5
test  0 (   16 byte blocks,   16 bytes per update,   1 updates):   2448 cycles/operation,  153 cycles/byte
test  1 (   64 byte blocks,   16 bytes per update,   4 updates):   4992 cycles/operation,   78 cycles/byte
test  2 (   64 byte blocks,   64 bytes per update,   1 updates):   3808 cycles/operation,   59 cycles/byte
test  3 (  256 byte blocks,   16 bytes per update,  16 updates):  14000 cycles/operation,   54 cycles/byte
test  4 (  256 byte blocks,   64 bytes per update,   4 updates):   8480 cycles/operation,   33 cycles/byte
test  5 (  256 byte blocks,  256 bytes per update,   1 updates):   7280 cycles/operation,   28 cycles/byte
test  6 ( 1024 byte blocks,   16 bytes per update,  64 updates):  50016 cycles/operation,   48 cycles/byte
test  7 ( 1024 byte blocks,  256 bytes per update,   4 updates):  22496 cycles/operation,   21 cycles/byte
test  8 ( 1024 byte blocks, 1024 bytes per update,   1 updates):  21232 cycles/operation,   20 cycles/byte
test  9 ( 2048 byte blocks,   16 bytes per update, 128 updates): 117184 cycles/operation,   57 cycles/byte
test 10 ( 2048 byte blocks,  256 bytes per update,   8 updates):  43008 cycles/operation,   21 cycles/byte
test 11 ( 2048 byte blocks, 1024 bytes per update,   2 updates):  40176 cycles/operation,   19 cycles/byte
test 12 ( 2048 byte blocks, 2048 bytes per update,   1 updates):  39888 cycles/operation,   19 cycles/byte
test 13 ( 4096 byte blocks,   16 bytes per update, 256 updates): 194176 cycles/operation,   47 cycles/byte
test 14 ( 4096 byte blocks,  256 bytes per update,  16 updates):  84096 cycles/operation,   20 cycles/byte
test 15 ( 4096 byte blocks, 1024 bytes per update,   4 updates):  78336 cycles/operation,   19 cycles/byte
test 16 ( 4096 byte blocks, 4096 bytes per update,   1 updates):  77120 cycles/operation,   18 cycles/byte
test 17 ( 8192 byte blocks,   16 bytes per update, 512 updates): 403056 cycles/operation,   49 cycles/byte
test 18 ( 8192 byte blocks,  256 bytes per update,  32 updates): 166112 cycles/operation,   20 cycles/byte
test 19 ( 8192 byte blocks, 1024 bytes per update,   8 updates): 154768 cycles/operation,   18 cycles/byte
test 20 ( 8192 byte blocks, 4096 bytes per update,   2 updates): 151904 cycles/operation,   18 cycles/byte
test 21 ( 8192 byte blocks, 8192 bytes per update,   1 updates): 155456 cycles/operation,   18 cycles/byte

testing speed of md5
test  0 (   16 byte blocks,   16 bytes per update,   1 updates):   2208 cycles/operation,  138 cycles/byte
test  1 (   64 byte blocks,   16 bytes per update,   4 updates):   5008 cycles/operation,   78 cycles/byte
test  2 (   64 byte blocks,   64 bytes per update,   1 updates):   3600 cycles/operation,   56 cycles/byte
test  3 (  256 byte blocks,   16 bytes per update,  16 updates):  14080 cycles/operation,   55 cycles/byte
test  4 (  256 byte blocks,   64 bytes per update,   4 updates):   8560 cycles/operation,   33 cycles/byte
test  5 (  256 byte blocks,  256 bytes per update,   1 updates):   7040 cycles/operation,   27 cycles/byte
test  6 ( 1024 byte blocks,   16 bytes per update,  64 updates):  50592 cycles/operation,   49 cycles/byte
test  7 ( 1024 byte blocks,  256 bytes per update,   4 updates):  22736 cycles/operation,   22 cycles/byte
test  8 ( 1024 byte blocks, 1024 bytes per update,   1 updates):  24960 cycles/operation,   24 cycles/byte
test  9 ( 2048 byte blocks,   16 bytes per update, 128 updates):  99312 cycles/operation,   48 cycles/byte
test 10 ( 2048 byte blocks,  256 bytes per update,   8 updates):  43520 cycles/operation,   21 cycles/byte
test 11 ( 2048 byte blocks, 1024 bytes per update,   2 updates):  40704 cycles/operation,   19 cycles/byte
test 12 ( 2048 byte blocks, 2048 bytes per update,   1 updates):  39552 cycles/operation,   19 cycles/byte
test 13 ( 4096 byte blocks,   16 bytes per update, 256 updates): 196720 cycles/operation,   48 cycles/byte
test 14 ( 4096 byte blocks,  256 bytes per update,  16 updates):  85152 cycles/operation,   20 cycles/byte
test 15 ( 4096 byte blocks, 1024 bytes per update,   4 updates):  79408 cycles/operation,   19 cycles/byte
test 16 ( 4096 byte blocks, 4096 bytes per update,   1 updates):  76816 cycles/operation,   18 cycles/byte
test 17 ( 8192 byte blocks,   16 bytes per update, 512 updates): 391520 cycles/operation,   47 cycles/byte
test 18 ( 8192 byte blocks,  256 bytes per update,  32 updates): 168464 cycles/operation,   20 cycles/byte
test 19 ( 8192 byte blocks, 1024 bytes per update,   8 updates): 156912 cycles/operation,   19 cycles/byte
test 20 ( 8192 byte blocks, 4096 bytes per update,   2 updates): 154016 cycles/operation,   18 cycles/byte
test 21 ( 8192 byte blocks, 8192 bytes per update,   1 updates): 153856 cycles/operation,   18 cycles/byte

We can ditch the sync hash code at some point if we feel that makes
sense.  For now I've left it there.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/tcrypt.c | 336 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 330 insertions(+), 6 deletions(-)

diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index ea610ad45aa..3ca68f9fc14 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -394,6 +394,17 @@ out:
 	return 0;
 }
 
+static void test_hash_sg_init(struct scatterlist *sg)
+{
+	int i;
+
+	sg_init_table(sg, TVMEMSIZE);
+	for (i = 0; i < TVMEMSIZE; i++) {
+		sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
+		memset(tvmem[i], 0xff, PAGE_SIZE);
+	}
+}
+
 static void test_hash_speed(const char *algo, unsigned int sec,
 			    struct hash_speed *speed)
 {
@@ -423,12 +434,7 @@ static void test_hash_speed(const char *algo, unsigned int sec,
 		goto out;
 	}
 
-	sg_init_table(sg, TVMEMSIZE);
-	for (i = 0; i < TVMEMSIZE; i++) {
-		sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
-		memset(tvmem[i], 0xff, PAGE_SIZE);
-	}
-
+	test_hash_sg_init(sg);
 	for (i = 0; speed[i].blen != 0; i++) {
 		if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
 			printk(KERN_ERR
@@ -461,6 +467,250 @@ out:
 	crypto_free_hash(tfm);
 }
 
+struct tcrypt_result {
+	struct completion completion;
+	int err;
+};
+
+static void tcrypt_complete(struct crypto_async_request *req, int err)
+{
+	struct tcrypt_result *res = req->data;
+
+	if (err == -EINPROGRESS)
+		return;
+
+	res->err = err;
+	complete(&res->completion);
+}
+
+static inline int do_one_ahash_op(struct ahash_request *req, int ret)
+{
+	if (ret == -EINPROGRESS || ret == -EBUSY) {
+		struct tcrypt_result *tr = req->base.data;
+
+		ret = wait_for_completion_interruptible(&tr->completion);
+		if (!ret)
+			ret = tr->err;
+		INIT_COMPLETION(tr->completion);
+	}
+	return ret;
+}
+
+static int test_ahash_jiffies_digest(struct ahash_request *req, int blen,
+				     char *out, int sec)
+{
+	unsigned long start, end;
+	int bcount;
+	int ret;
+
+	for (start = jiffies, end = start + sec * HZ, bcount = 0;
+	     time_before(jiffies, end); bcount++) {
+		ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+		if (ret)
+			return ret;
+	}
+
+	printk("%6u opers/sec, %9lu bytes/sec\n",
+	       bcount / sec, ((long)bcount * blen) / sec);
+
+	return 0;
+}
+
+static int test_ahash_jiffies(struct ahash_request *req, int blen,
+			      int plen, char *out, int sec)
+{
+	unsigned long start, end;
+	int bcount, pcount;
+	int ret;
+
+	if (plen == blen)
+		return test_ahash_jiffies_digest(req, blen, out, sec);
+
+	for (start = jiffies, end = start + sec * HZ, bcount = 0;
+	     time_before(jiffies, end); bcount++) {
+		ret = crypto_ahash_init(req);
+		if (ret)
+			return ret;
+		for (pcount = 0; pcount < blen; pcount += plen) {
+			ret = do_one_ahash_op(req, crypto_ahash_update(req));
+			if (ret)
+				return ret;
+		}
+		/* we assume there is enough space in 'out' for the result */
+		ret = do_one_ahash_op(req, crypto_ahash_final(req));
+		if (ret)
+			return ret;
+	}
+
+	pr_cont("%6u opers/sec, %9lu bytes/sec\n",
+		bcount / sec, ((long)bcount * blen) / sec);
+
+	return 0;
+}
+
+static int test_ahash_cycles_digest(struct ahash_request *req, int blen,
+				    char *out)
+{
+	unsigned long cycles = 0;
+	int ret, i;
+
+	/* Warm-up run. */
+	for (i = 0; i < 4; i++) {
+		ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+		if (ret)
+			goto out;
+	}
+
+	/* The real thing. */
+	for (i = 0; i < 8; i++) {
+		cycles_t start, end;
+
+		start = get_cycles();
+
+		ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+		if (ret)
+			goto out;
+
+		end = get_cycles();
+
+		cycles += end - start;
+	}
+
+out:
+	if (ret)
+		return ret;
+
+	pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
+		cycles / 8, cycles / (8 * blen));
+
+	return 0;
+}
+
+static int test_ahash_cycles(struct ahash_request *req, int blen,
+			     int plen, char *out)
+{
+	unsigned long cycles = 0;
+	int i, pcount, ret;
+
+	if (plen == blen)
+		return test_ahash_cycles_digest(req, blen, out);
+
+	/* Warm-up run. */
+	for (i = 0; i < 4; i++) {
+		ret = crypto_ahash_init(req);
+		if (ret)
+			goto out;
+		for (pcount = 0; pcount < blen; pcount += plen) {
+			ret = do_one_ahash_op(req, crypto_ahash_update(req));
+			if (ret)
+				goto out;
+		}
+		ret = do_one_ahash_op(req, crypto_ahash_final(req));
+		if (ret)
+			goto out;
+	}
+
+	/* The real thing. */
+	for (i = 0; i < 8; i++) {
+		cycles_t start, end;
+
+		start = get_cycles();
+
+		ret = crypto_ahash_init(req);
+		if (ret)
+			goto out;
+		for (pcount = 0; pcount < blen; pcount += plen) {
+			ret = do_one_ahash_op(req, crypto_ahash_update(req));
+			if (ret)
+				goto out;
+		}
+		ret = do_one_ahash_op(req, crypto_ahash_final(req));
+		if (ret)
+			goto out;
+
+		end = get_cycles();
+
+		cycles += end - start;
+	}
+
+out:
+	if (ret)
+		return ret;
+
+	pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
+		cycles / 8, cycles / (8 * blen));
+
+	return 0;
+}
+
+static void test_ahash_speed(const char *algo, unsigned int sec,
+			     struct hash_speed *speed)
+{
+	struct scatterlist sg[TVMEMSIZE];
+	struct tcrypt_result tresult;
+	struct ahash_request *req;
+	struct crypto_ahash *tfm;
+	static char output[1024];
+	int i, ret;
+
+	printk(KERN_INFO "\ntesting speed of async %s\n", algo);
+
+	tfm = crypto_alloc_ahash(algo, 0, 0);
+	if (IS_ERR(tfm)) {
+		pr_err("failed to load transform for %s: %ld\n",
+		       algo, PTR_ERR(tfm));
+		return;
+	}
+
+	if (crypto_ahash_digestsize(tfm) > sizeof(output)) {
+		pr_err("digestsize(%u) > outputbuffer(%zu)\n",
+		       crypto_ahash_digestsize(tfm), sizeof(output));
+		goto out;
+	}
+
+	test_hash_sg_init(sg);
+	req = ahash_request_alloc(tfm, GFP_KERNEL);
+	if (!req) {
+		pr_err("ahash request allocation failure\n");
+		goto out;
+	}
+
+	init_completion(&tresult.completion);
+	ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+				   tcrypt_complete, &tresult);
+
+	for (i = 0; speed[i].blen != 0; i++) {
+		if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
+			pr_err("template (%u) too big for tvmem (%lu)\n",
+			       speed[i].blen, TVMEMSIZE * PAGE_SIZE);
+			break;
+		}
+
+		pr_info("test%3u "
+			"(%5u byte blocks,%5u bytes per update,%4u updates): ",
+			i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
+
+		ahash_request_set_crypt(req, sg, output, speed[i].plen);
+
+		if (sec)
+			ret = test_ahash_jiffies(req, speed[i].blen,
+						 speed[i].plen, output, sec);
+		else
+			ret = test_ahash_cycles(req, speed[i].blen,
+						speed[i].plen, output);
+
+		if (ret) {
+			pr_err("hashing failed ret=%d\n", ret);
+			break;
+		}
+	}
+
+	ahash_request_free(req);
+
+out:
+	crypto_free_ahash(tfm);
+}
+
 static void test_available(void)
 {
 	char **name = check;
@@ -891,6 +1141,80 @@ static int do_test(int m)
 	case 399:
 		break;
 
+	case 400:
+		/* fall through */
+
+	case 401:
+		test_ahash_speed("md4", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 402:
+		test_ahash_speed("md5", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 403:
+		test_ahash_speed("sha1", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 404:
+		test_ahash_speed("sha256", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 405:
+		test_ahash_speed("sha384", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 406:
+		test_ahash_speed("sha512", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 407:
+		test_ahash_speed("wp256", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 408:
+		test_ahash_speed("wp384", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 409:
+		test_ahash_speed("wp512", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 410:
+		test_ahash_speed("tgr128", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 411:
+		test_ahash_speed("tgr160", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 412:
+		test_ahash_speed("tgr192", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 413:
+		test_ahash_speed("sha224", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 414:
+		test_ahash_speed("rmd128", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 415:
+		test_ahash_speed("rmd160", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 416:
+		test_ahash_speed("rmd256", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 417:
+		test_ahash_speed("rmd320", sec, generic_hash_speed_template);
+		if (mode > 400 && mode < 500) break;
+
+	case 499:
+		break;
+
 	case 1000:
 		test_available();
 		break;

From a8f1a05292db8b410be47fa905669672011f0343 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 19 May 2010 14:12:03 +1000
Subject: [PATCH 2081/3638] crypto: testmgr - Add testing for async hashing and
 update/final

Extend testmgr such that it tests async hash algorithms,
and that for both sync and async hashes it tests both
->digest() and ->update()/->final() sequences.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/testmgr.c | 66 +++++++++++++++++++++++++++++++++++-------------
 1 file changed, 48 insertions(+), 18 deletions(-)

diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index c494d7610be..5c8aaa0cb0b 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -153,8 +153,21 @@ static void testmgr_free_buf(char *buf[XBUFSIZE])
 		free_page((unsigned long)buf[i]);
 }
 
+static int do_one_async_hash_op(struct ahash_request *req,
+				struct tcrypt_result *tr,
+				int ret)
+{
+	if (ret == -EINPROGRESS || ret == -EBUSY) {
+		ret = wait_for_completion_interruptible(&tr->completion);
+		if (!ret)
+			ret = tr->err;
+		INIT_COMPLETION(tr->completion);
+	}
+	return ret;
+}
+
 static int test_hash(struct crypto_ahash *tfm, struct hash_testvec *template,
-		     unsigned int tcount)
+		     unsigned int tcount, bool use_digest)
 {
 	const char *algo = crypto_tfm_alg_driver_name(crypto_ahash_tfm(tfm));
 	unsigned int i, j, k, temp;
@@ -206,23 +219,36 @@ static int test_hash(struct crypto_ahash *tfm, struct hash_testvec *template,
 		}
 
 		ahash_request_set_crypt(req, sg, result, template[i].psize);
-		ret = crypto_ahash_digest(req);
-		switch (ret) {
-		case 0:
-			break;
-		case -EINPROGRESS:
-		case -EBUSY:
-			ret = wait_for_completion_interruptible(
-				&tresult.completion);
-			if (!ret && !(ret = tresult.err)) {
-				INIT_COMPLETION(tresult.completion);
-				break;
+		if (use_digest) {
+			ret = do_one_async_hash_op(req, &tresult,
+						   crypto_ahash_digest(req));
+			if (ret) {
+				pr_err("alg: hash: digest failed on test %d "
+				       "for %s: ret=%d\n", j, algo, -ret);
+				goto out;
+			}
+		} else {
+			ret = do_one_async_hash_op(req, &tresult,
+						   crypto_ahash_init(req));
+			if (ret) {
+				pr_err("alt: hash: init failed on test %d "
+				       "for %s: ret=%d\n", j, algo, -ret);
+				goto out;
+			}
+			ret = do_one_async_hash_op(req, &tresult,
+						   crypto_ahash_update(req));
+			if (ret) {
+				pr_err("alt: hash: update failed on test %d "
+				       "for %s: ret=%d\n", j, algo, -ret);
+				goto out;
+			}
+			ret = do_one_async_hash_op(req, &tresult,
+						   crypto_ahash_final(req));
+			if (ret) {
+				pr_err("alt: hash: final failed on test %d "
+				       "for %s: ret=%d\n", j, algo, -ret);
+				goto out;
 			}
-			/* fall through */
-		default:
-			printk(KERN_ERR "alg: hash: digest failed on test %d "
-			       "for %s: ret=%d\n", j, algo, -ret);
-			goto out;
 		}
 
 		if (memcmp(result, template[i].digest,
@@ -1402,7 +1428,11 @@ static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
 		return PTR_ERR(tfm);
 	}
 
-	err = test_hash(tfm, desc->suite.hash.vecs, desc->suite.hash.count);
+	err = test_hash(tfm, desc->suite.hash.vecs,
+			desc->suite.hash.count, true);
+	if (!err)
+		err = test_hash(tfm, desc->suite.hash.vecs,
+				desc->suite.hash.count, false);
 
 	crypto_free_ahash(tfm);
 	return err;

From bf06099db18a1244957076e51847c644cfe46808 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 19 May 2010 14:13:07 +1000
Subject: [PATCH 2082/3638] crypto: skcipher - Add ablkcipher_walk interfaces

These are akin to the blkcipher_walk helpers.

The main differences in the async variant are:

1) Only physical walking is supported.  We can't hold on to
   kmap mappings across the async operation to support virtual
   ablkcipher_walk operations anyways.

2) Bounce buffers used for async more need to be persistent and
   freed at a later point in time when the async op completes.
   Therefore we maintain a list of writeback buffers and require
   that the ablkcipher_walk user call the 'complete' operation
   so we can copy the bounce buffers out to the real buffers and
   free up the bounce buffer chunks.

These interfaces will be used by the new Niagara2 crypto driver.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/ablkcipher.c     | 277 ++++++++++++++++++++++++++++++++++++++++
 include/crypto/algapi.h |  40 ++++++
 2 files changed, 317 insertions(+)

diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index fe980dae172..98a66103f4f 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -24,10 +24,287 @@
 #include <linux/slab.h>
 #include <linux/seq_file.h>
 
+#include <crypto/scatterwalk.h>
+
 #include "internal.h"
 
 static const char *skcipher_default_geniv __read_mostly;
 
+struct ablkcipher_buffer {
+	struct list_head	entry;
+	struct scatter_walk	dst;
+	unsigned int		len;
+	void			*data;
+};
+
+enum {
+	ABLKCIPHER_WALK_SLOW = 1 << 0,
+};
+
+static inline void ablkcipher_buffer_write(struct ablkcipher_buffer *p)
+{
+	scatterwalk_copychunks(p->data, &p->dst, p->len, 1);
+}
+
+void __ablkcipher_walk_complete(struct ablkcipher_walk *walk)
+{
+	struct ablkcipher_buffer *p, *tmp;
+
+	list_for_each_entry_safe(p, tmp, &walk->buffers, entry) {
+		ablkcipher_buffer_write(p);
+		list_del(&p->entry);
+		kfree(p);
+	}
+}
+EXPORT_SYMBOL_GPL(__ablkcipher_walk_complete);
+
+static inline void ablkcipher_queue_write(struct ablkcipher_walk *walk,
+					  struct ablkcipher_buffer *p)
+{
+	p->dst = walk->out;
+	list_add_tail(&p->entry, &walk->buffers);
+}
+
+/* Get a spot of the specified length that does not straddle a page.
+ * The caller needs to ensure that there is enough space for this operation.
+ */
+static inline u8 *ablkcipher_get_spot(u8 *start, unsigned int len)
+{
+	u8 *end_page = (u8 *)(((unsigned long)(start + len - 1)) & PAGE_MASK);
+	return max(start, end_page);
+}
+
+static inline unsigned int ablkcipher_done_slow(struct ablkcipher_walk *walk,
+						unsigned int bsize)
+{
+	unsigned int n = bsize;
+
+	for (;;) {
+		unsigned int len_this_page = scatterwalk_pagelen(&walk->out);
+
+		if (len_this_page > n)
+			len_this_page = n;
+		scatterwalk_advance(&walk->out, n);
+		if (n == len_this_page)
+			break;
+		n -= len_this_page;
+		scatterwalk_start(&walk->out, scatterwalk_sg_next(walk->out.sg));
+	}
+
+	return bsize;
+}
+
+static inline unsigned int ablkcipher_done_fast(struct ablkcipher_walk *walk,
+						unsigned int n)
+{
+	scatterwalk_advance(&walk->in, n);
+	scatterwalk_advance(&walk->out, n);
+
+	return n;
+}
+
+static int ablkcipher_walk_next(struct ablkcipher_request *req,
+				struct ablkcipher_walk *walk);
+
+int ablkcipher_walk_done(struct ablkcipher_request *req,
+			 struct ablkcipher_walk *walk, int err)
+{
+	struct crypto_tfm *tfm = req->base.tfm;
+	unsigned int nbytes = 0;
+
+	if (likely(err >= 0)) {
+		unsigned int n = walk->nbytes - err;
+
+		if (likely(!(walk->flags & ABLKCIPHER_WALK_SLOW)))
+			n = ablkcipher_done_fast(walk, n);
+		else if (WARN_ON(err)) {
+			err = -EINVAL;
+			goto err;
+		} else
+			n = ablkcipher_done_slow(walk, n);
+
+		nbytes = walk->total - n;
+		err = 0;
+	}
+
+	scatterwalk_done(&walk->in, 0, nbytes);
+	scatterwalk_done(&walk->out, 1, nbytes);
+
+err:
+	walk->total = nbytes;
+	walk->nbytes = nbytes;
+
+	if (nbytes) {
+		crypto_yield(req->base.flags);
+		return ablkcipher_walk_next(req, walk);
+	}
+
+	if (walk->iv != req->info)
+		memcpy(req->info, walk->iv, tfm->crt_ablkcipher.ivsize);
+	if (walk->iv_buffer)
+		kfree(walk->iv_buffer);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(ablkcipher_walk_done);
+
+static inline int ablkcipher_next_slow(struct ablkcipher_request *req,
+				       struct ablkcipher_walk *walk,
+				       unsigned int bsize,
+				       unsigned int alignmask,
+				       void **src_p, void **dst_p)
+{
+	unsigned aligned_bsize = ALIGN(bsize, alignmask + 1);
+	struct ablkcipher_buffer *p;
+	void *src, *dst, *base;
+	unsigned int n;
+
+	n = ALIGN(sizeof(struct ablkcipher_buffer), alignmask + 1);
+	n += (aligned_bsize * 3 - (alignmask + 1) +
+	      (alignmask & ~(crypto_tfm_ctx_alignment() - 1)));
+
+	p = kmalloc(n, GFP_ATOMIC);
+	if (!p)
+		ablkcipher_walk_done(req, walk, -ENOMEM);
+
+	base = p + 1;
+
+	dst = (u8 *)ALIGN((unsigned long)base, alignmask + 1);
+	src = dst = ablkcipher_get_spot(dst, bsize);
+
+	p->len = bsize;
+	p->data = dst;
+
+	scatterwalk_copychunks(src, &walk->in, bsize, 0);
+
+	ablkcipher_queue_write(walk, p);
+
+	walk->nbytes = bsize;
+	walk->flags |= ABLKCIPHER_WALK_SLOW;
+
+	*src_p = src;
+	*dst_p = dst;
+
+	return 0;
+}
+
+static inline int ablkcipher_copy_iv(struct ablkcipher_walk *walk,
+				     struct crypto_tfm *tfm,
+				     unsigned int alignmask)
+{
+	unsigned bs = walk->blocksize;
+	unsigned int ivsize = tfm->crt_ablkcipher.ivsize;
+	unsigned aligned_bs = ALIGN(bs, alignmask + 1);
+	unsigned int size = aligned_bs * 2 + ivsize + max(aligned_bs, ivsize) -
+			    (alignmask + 1);
+	u8 *iv;
+
+	size += alignmask & ~(crypto_tfm_ctx_alignment() - 1);
+	walk->iv_buffer = kmalloc(size, GFP_ATOMIC);
+	if (!walk->iv_buffer)
+		return -ENOMEM;
+
+	iv = (u8 *)ALIGN((unsigned long)walk->iv_buffer, alignmask + 1);
+	iv = ablkcipher_get_spot(iv, bs) + aligned_bs;
+	iv = ablkcipher_get_spot(iv, bs) + aligned_bs;
+	iv = ablkcipher_get_spot(iv, ivsize);
+
+	walk->iv = memcpy(iv, walk->iv, ivsize);
+	return 0;
+}
+
+static inline int ablkcipher_next_fast(struct ablkcipher_request *req,
+				       struct ablkcipher_walk *walk)
+{
+	walk->src.page = scatterwalk_page(&walk->in);
+	walk->src.offset = offset_in_page(walk->in.offset);
+	walk->dst.page = scatterwalk_page(&walk->out);
+	walk->dst.offset = offset_in_page(walk->out.offset);
+
+	return 0;
+}
+
+static int ablkcipher_walk_next(struct ablkcipher_request *req,
+				struct ablkcipher_walk *walk)
+{
+	struct crypto_tfm *tfm = req->base.tfm;
+	unsigned int alignmask, bsize, n;
+	void *src, *dst;
+	int err;
+
+	alignmask = crypto_tfm_alg_alignmask(tfm);
+	n = walk->total;
+	if (unlikely(n < crypto_tfm_alg_blocksize(tfm))) {
+		req->base.flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN;
+		return ablkcipher_walk_done(req, walk, -EINVAL);
+	}
+
+	walk->flags &= ~ABLKCIPHER_WALK_SLOW;
+	src = dst = NULL;
+
+	bsize = min(walk->blocksize, n);
+	n = scatterwalk_clamp(&walk->in, n);
+	n = scatterwalk_clamp(&walk->out, n);
+
+	if (n < bsize ||
+	    !scatterwalk_aligned(&walk->in, alignmask) ||
+	    !scatterwalk_aligned(&walk->out, alignmask)) {
+		err = ablkcipher_next_slow(req, walk, bsize, alignmask,
+					   &src, &dst);
+		goto set_phys_lowmem;
+	}
+
+	walk->nbytes = n;
+
+	return ablkcipher_next_fast(req, walk);
+
+set_phys_lowmem:
+	if (err >= 0) {
+		walk->src.page = virt_to_page(src);
+		walk->dst.page = virt_to_page(dst);
+		walk->src.offset = ((unsigned long)src & (PAGE_SIZE - 1));
+		walk->dst.offset = ((unsigned long)dst & (PAGE_SIZE - 1));
+	}
+
+	return err;
+}
+
+static int ablkcipher_walk_first(struct ablkcipher_request *req,
+				 struct ablkcipher_walk *walk)
+{
+	struct crypto_tfm *tfm = req->base.tfm;
+	unsigned int alignmask;
+
+	alignmask = crypto_tfm_alg_alignmask(tfm);
+	if (WARN_ON_ONCE(in_irq()))
+		return -EDEADLK;
+
+	walk->nbytes = walk->total;
+	if (unlikely(!walk->total))
+		return 0;
+
+	walk->iv_buffer = NULL;
+	walk->iv = req->info;
+	if (unlikely(((unsigned long)walk->iv & alignmask))) {
+		int err = ablkcipher_copy_iv(walk, tfm, alignmask);
+		if (err)
+			return err;
+	}
+
+	scatterwalk_start(&walk->in, walk->in.sg);
+	scatterwalk_start(&walk->out, walk->out.sg);
+
+	return ablkcipher_walk_next(req, walk);
+}
+
+int ablkcipher_walk_phys(struct ablkcipher_request *req,
+			 struct ablkcipher_walk *walk)
+{
+	walk->blocksize = crypto_tfm_alg_blocksize(req->base.tfm);
+	return ablkcipher_walk_first(req, walk);
+}
+EXPORT_SYMBOL_GPL(ablkcipher_walk_phys);
+
 static int setkey_unaligned(struct crypto_ablkcipher *tfm, const u8 *key,
 			    unsigned int keylen)
 {
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index fc0d575c71e..59c3e5bd2c0 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -103,6 +103,23 @@ struct blkcipher_walk {
 	unsigned int blocksize;
 };
 
+struct ablkcipher_walk {
+	struct {
+		struct page *page;
+		unsigned int offset;
+	} src, dst;
+
+	struct scatter_walk	in;
+	unsigned int		nbytes;
+	struct scatter_walk	out;
+	unsigned int		total;
+	struct list_head	buffers;
+	u8			*iv_buffer;
+	u8			*iv;
+	int			flags;
+	unsigned int		blocksize;
+};
+
 extern const struct crypto_type crypto_ablkcipher_type;
 extern const struct crypto_type crypto_aead_type;
 extern const struct crypto_type crypto_blkcipher_type;
@@ -173,6 +190,12 @@ int blkcipher_walk_virt_block(struct blkcipher_desc *desc,
 			      struct blkcipher_walk *walk,
 			      unsigned int blocksize);
 
+int ablkcipher_walk_done(struct ablkcipher_request *req,
+			 struct ablkcipher_walk *walk, int err);
+int ablkcipher_walk_phys(struct ablkcipher_request *req,
+			 struct ablkcipher_walk *walk);
+void __ablkcipher_walk_complete(struct ablkcipher_walk *walk);
+
 static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
 {
 	return PTR_ALIGN(crypto_tfm_ctx(tfm),
@@ -283,6 +306,23 @@ static inline void blkcipher_walk_init(struct blkcipher_walk *walk,
 	walk->total = nbytes;
 }
 
+static inline void ablkcipher_walk_init(struct ablkcipher_walk *walk,
+					struct scatterlist *dst,
+					struct scatterlist *src,
+					unsigned int nbytes)
+{
+	walk->in.sg = src;
+	walk->out.sg = dst;
+	walk->total = nbytes;
+	INIT_LIST_HEAD(&walk->buffers);
+}
+
+static inline void ablkcipher_walk_complete(struct ablkcipher_walk *walk)
+{
+	if (unlikely(!list_empty(&walk->buffers)))
+		__ablkcipher_walk_complete(walk);
+}
+
 static inline struct crypto_async_request *crypto_get_backlog(
 	struct crypto_queue *queue)
 {

From 0a625fd2abaa0aa0a6852b153d429dbc784748cc Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 19 May 2010 14:14:04 +1000
Subject: [PATCH 2083/3638] crypto: n2 - Add Niagara2 crypto driver

Current deficiencies:

1) No HMAC hash support yet.

2) Although the algs are registered as ASYNC they always run
   synchronously.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/Kconfig   |   12 +
 drivers/crypto/Makefile  |    2 +
 drivers/crypto/n2_asm.S  |   95 ++
 drivers/crypto/n2_core.c | 2083 ++++++++++++++++++++++++++++++++++++++
 drivers/crypto/n2_core.h |  231 +++++
 5 files changed, 2423 insertions(+)
 create mode 100644 drivers/crypto/n2_asm.S
 create mode 100644 drivers/crypto/n2_core.c
 create mode 100644 drivers/crypto/n2_core.h

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 9073aa05123..fbf94cf496f 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -170,6 +170,18 @@ config CRYPTO_DEV_MV_CESA
 
 	  Currently the driver supports AES in ECB and CBC mode without DMA.
 
+config CRYPTO_DEV_NIAGARA2
+       tristate "Niagara2 Stream Processing Unit driver"
+       select CRYPTO_ALGAPI
+       depends on SPARC64
+       help
+	  Each core of a Niagara2 processor contains a Stream
+	  Processing Unit, which itself contains several cryptographic
+	  sub-units.  One set provides the Modular Arithmetic Unit,
+	  used for SSL offload.  The other set provides the Cipher
+	  Group, which can perform encryption, decryption, hashing,
+	  checksumming, and raw copies.
+
 config CRYPTO_DEV_HIFN_795X
 	tristate "Driver HIFN 795x crypto accelerator chips"
 	select CRYPTO_DES
diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
index c9494e16340..6dbbe00c452 100644
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -1,6 +1,8 @@
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o
 obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
+obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o
+n2_crypto-objs := n2_core.o n2_asm.o
 obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
 obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_cesa.o
 obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
diff --git a/drivers/crypto/n2_asm.S b/drivers/crypto/n2_asm.S
new file mode 100644
index 00000000000..f7c793745a1
--- /dev/null
+++ b/drivers/crypto/n2_asm.S
@@ -0,0 +1,95 @@
+/* n2_asm.S: Hypervisor calls for NCS support.
+ *
+ * Copyright (C) 2009 David S. Miller <davem@davemloft.net>
+ */
+
+#include <linux/linkage.h>
+#include <asm/hypervisor.h>
+#include "n2_core.h"
+
+	/* o0: queue type
+	 * o1: RA of queue
+	 * o2: num entries in queue
+	 * o3: address of queue handle return
+	 */
+ENTRY(sun4v_ncs_qconf)
+	mov	HV_FAST_NCS_QCONF, %o5
+	ta	HV_FAST_TRAP
+	stx	%o1, [%o3]
+	retl
+	 nop
+ENDPROC(sun4v_ncs_qconf)
+
+	/* %o0: queue handle
+	 * %o1: address of queue type return
+	 * %o2: address of queue base address return
+	 * %o3: address of queue num entries return
+	 */
+ENTRY(sun4v_ncs_qinfo)
+	mov	%o1, %g1
+	mov	%o2, %g2
+	mov	%o3, %g3
+	mov	HV_FAST_NCS_QINFO, %o5
+	ta	HV_FAST_TRAP
+	stx	%o1, [%g1]
+	stx	%o2, [%g2]
+	stx	%o3, [%g3]
+	retl
+	 nop
+ENDPROC(sun4v_ncs_qinfo)
+
+	/* %o0: queue handle
+	 * %o1: address of head offset return
+	 */
+ENTRY(sun4v_ncs_gethead)
+	mov	%o1, %o2
+	mov	HV_FAST_NCS_GETHEAD, %o5
+	ta	HV_FAST_TRAP
+	stx	%o1, [%o2]
+	retl
+	 nop
+ENDPROC(sun4v_ncs_gethead)
+
+	/* %o0: queue handle
+	 * %o1: address of tail offset return
+	 */
+ENTRY(sun4v_ncs_gettail)
+	mov	%o1, %o2
+	mov	HV_FAST_NCS_GETTAIL, %o5
+	ta	HV_FAST_TRAP
+	stx	%o1, [%o2]
+	retl
+	 nop
+ENDPROC(sun4v_ncs_gettail)
+
+	/* %o0: queue handle
+	 * %o1: new tail offset
+	 */
+ENTRY(sun4v_ncs_settail)
+	mov	HV_FAST_NCS_SETTAIL, %o5
+	ta	HV_FAST_TRAP
+	retl
+	 nop
+ENDPROC(sun4v_ncs_settail)
+
+	/* %o0: queue handle
+	 * %o1: address of devino return
+	 */
+ENTRY(sun4v_ncs_qhandle_to_devino)
+	mov	%o1, %o2
+	mov	HV_FAST_NCS_QHANDLE_TO_DEVINO, %o5
+	ta	HV_FAST_TRAP
+	stx	%o1, [%o2]
+	retl
+	 nop
+ENDPROC(sun4v_ncs_qhandle_to_devino)
+
+	/* %o0: queue handle
+	 * %o1: new head offset
+	 */
+ENTRY(sun4v_ncs_sethead_marker)
+	mov	HV_FAST_NCS_SETHEAD_MARKER, %o5
+	ta	HV_FAST_TRAP
+	retl
+	 nop
+ENDPROC(sun4v_ncs_sethead_marker)
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
new file mode 100644
index 00000000000..8566be832f5
--- /dev/null
+++ b/drivers/crypto/n2_core.c
@@ -0,0 +1,2083 @@
+/* n2_core.c: Niagara2 Stream Processing Unit (SPU) crypto support.
+ *
+ * Copyright (C) 2010 David S. Miller <davem@davemloft.net>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/cpumask.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/crypto.h>
+#include <crypto/md5.h>
+#include <crypto/sha.h>
+#include <crypto/aes.h>
+#include <crypto/des.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+
+#include <crypto/internal/hash.h>
+#include <crypto/scatterwalk.h>
+#include <crypto/algapi.h>
+
+#include <asm/hypervisor.h>
+#include <asm/mdesc.h>
+
+#include "n2_core.h"
+
+#define DRV_MODULE_NAME		"n2_crypto"
+#define DRV_MODULE_VERSION	"0.1"
+#define DRV_MODULE_RELDATE	"April 29, 2010"
+
+static char version[] __devinitdata =
+	DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
+
+MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
+MODULE_DESCRIPTION("Niagara2 Crypto driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_MODULE_VERSION);
+
+#define N2_CRA_PRIORITY		300
+
+static DEFINE_MUTEX(spu_lock);
+
+struct spu_queue {
+	cpumask_t		sharing;
+	unsigned long		qhandle;
+
+	spinlock_t		lock;
+	u8			q_type;
+	void			*q;
+	unsigned long		head;
+	unsigned long		tail;
+	struct list_head	jobs;
+
+	unsigned long		devino;
+
+	char			irq_name[32];
+	unsigned int		irq;
+
+	struct list_head	list;
+};
+
+static struct spu_queue **cpu_to_cwq;
+static struct spu_queue **cpu_to_mau;
+
+static unsigned long spu_next_offset(struct spu_queue *q, unsigned long off)
+{
+	if (q->q_type == HV_NCS_QTYPE_MAU) {
+		off += MAU_ENTRY_SIZE;
+		if (off == (MAU_ENTRY_SIZE * MAU_NUM_ENTRIES))
+			off = 0;
+	} else {
+		off += CWQ_ENTRY_SIZE;
+		if (off == (CWQ_ENTRY_SIZE * CWQ_NUM_ENTRIES))
+			off = 0;
+	}
+	return off;
+}
+
+struct n2_request_common {
+	struct list_head	entry;
+	unsigned int		offset;
+};
+#define OFFSET_NOT_RUNNING	(~(unsigned int)0)
+
+/* An async job request records the final tail value it used in
+ * n2_request_common->offset, test to see if that offset is in
+ * the range old_head, new_head, inclusive.
+ */
+static inline bool job_finished(struct spu_queue *q, unsigned int offset,
+				unsigned long old_head, unsigned long new_head)
+{
+	if (old_head <= new_head) {
+		if (offset > old_head && offset <= new_head)
+			return true;
+	} else {
+		if (offset > old_head || offset <= new_head)
+			return true;
+	}
+	return false;
+}
+
+/* When the HEAD marker is unequal to the actual HEAD, we get
+ * a virtual device INO interrupt.  We should process the
+ * completed CWQ entries and adjust the HEAD marker to clear
+ * the IRQ.
+ */
+static irqreturn_t cwq_intr(int irq, void *dev_id)
+{
+	unsigned long off, new_head, hv_ret;
+	struct spu_queue *q = dev_id;
+
+	pr_err("CPU[%d]: Got CWQ interrupt for qhdl[%lx]\n",
+	       smp_processor_id(), q->qhandle);
+
+	spin_lock(&q->lock);
+
+	hv_ret = sun4v_ncs_gethead(q->qhandle, &new_head);
+
+	pr_err("CPU[%d]: CWQ gethead[%lx] hv_ret[%lu]\n",
+	       smp_processor_id(), new_head, hv_ret);
+
+	for (off = q->head; off != new_head; off = spu_next_offset(q, off)) {
+		/* XXX ... XXX */
+	}
+
+	hv_ret = sun4v_ncs_sethead_marker(q->qhandle, new_head);
+	if (hv_ret == HV_EOK)
+		q->head = new_head;
+
+	spin_unlock(&q->lock);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t mau_intr(int irq, void *dev_id)
+{
+	struct spu_queue *q = dev_id;
+	unsigned long head, hv_ret;
+
+	spin_lock(&q->lock);
+
+	pr_err("CPU[%d]: Got MAU interrupt for qhdl[%lx]\n",
+	       smp_processor_id(), q->qhandle);
+
+	hv_ret = sun4v_ncs_gethead(q->qhandle, &head);
+
+	pr_err("CPU[%d]: MAU gethead[%lx] hv_ret[%lu]\n",
+	       smp_processor_id(), head, hv_ret);
+
+	sun4v_ncs_sethead_marker(q->qhandle, head);
+
+	spin_unlock(&q->lock);
+
+	return IRQ_HANDLED;
+}
+
+static void *spu_queue_next(struct spu_queue *q, void *cur)
+{
+	return q->q + spu_next_offset(q, cur - q->q);
+}
+
+static int spu_queue_num_free(struct spu_queue *q)
+{
+	unsigned long head = q->head;
+	unsigned long tail = q->tail;
+	unsigned long end = (CWQ_ENTRY_SIZE * CWQ_NUM_ENTRIES);
+	unsigned long diff;
+
+	if (head > tail)
+		diff = head - tail;
+	else
+		diff = (end - tail) + head;
+
+	return (diff / CWQ_ENTRY_SIZE) - 1;
+}
+
+static void *spu_queue_alloc(struct spu_queue *q, int num_entries)
+{
+	int avail = spu_queue_num_free(q);
+
+	if (avail >= num_entries)
+		return q->q + q->tail;
+
+	return NULL;
+}
+
+static unsigned long spu_queue_submit(struct spu_queue *q, void *last)
+{
+	unsigned long hv_ret, new_tail;
+
+	new_tail = spu_next_offset(q, last - q->q);
+
+	hv_ret = sun4v_ncs_settail(q->qhandle, new_tail);
+	if (hv_ret == HV_EOK)
+		q->tail = new_tail;
+	return hv_ret;
+}
+
+static u64 control_word_base(unsigned int len, unsigned int hmac_key_len,
+			     int enc_type, int auth_type,
+			     unsigned int hash_len,
+			     bool sfas, bool sob, bool eob, bool encrypt,
+			     int opcode)
+{
+	u64 word = (len - 1) & CONTROL_LEN;
+
+	word |= ((u64) opcode << CONTROL_OPCODE_SHIFT);
+	word |= ((u64) enc_type << CONTROL_ENC_TYPE_SHIFT);
+	word |= ((u64) auth_type << CONTROL_AUTH_TYPE_SHIFT);
+	if (sfas)
+		word |= CONTROL_STORE_FINAL_AUTH_STATE;
+	if (sob)
+		word |= CONTROL_START_OF_BLOCK;
+	if (eob)
+		word |= CONTROL_END_OF_BLOCK;
+	if (encrypt)
+		word |= CONTROL_ENCRYPT;
+	if (hmac_key_len)
+		word |= ((u64) (hmac_key_len - 1)) << CONTROL_HMAC_KEY_LEN_SHIFT;
+	if (hash_len)
+		word |= ((u64) (hash_len - 1)) << CONTROL_HASH_LEN_SHIFT;
+
+	return word;
+}
+
+#if 0
+static inline bool n2_should_run_async(struct spu_queue *qp, int this_len)
+{
+	if (this_len >= 64 ||
+	    qp->head != qp->tail)
+		return true;
+	return false;
+}
+#endif
+
+struct n2_base_ctx {
+	struct list_head		list;
+};
+
+static void n2_base_ctx_init(struct n2_base_ctx *ctx)
+{
+	INIT_LIST_HEAD(&ctx->list);
+}
+
+struct n2_hash_ctx {
+	struct n2_base_ctx		base;
+
+	struct crypto_ahash		*fallback;
+
+	/* These next three members must match the layout created by
+	 * crypto_init_shash_ops_async.  This allows us to properly
+	 * plumb requests we can't do in hardware down to the fallback
+	 * operation, providing all of the data structures and layouts
+	 * expected by those paths.
+	 */
+	struct ahash_request		fallback_req;
+	struct shash_desc		fallback_desc;
+	union {
+		struct md5_state	md5;
+		struct sha1_state	sha1;
+		struct sha256_state	sha256;
+	} u;
+
+	unsigned char			hash_key[64];
+	unsigned char			keyed_zero_hash[32];
+};
+
+static int n2_hash_async_init(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+	ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback);
+	ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+
+	return crypto_ahash_init(&ctx->fallback_req);
+}
+
+static int n2_hash_async_update(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+	ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback);
+	ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+	ctx->fallback_req.nbytes = req->nbytes;
+	ctx->fallback_req.src = req->src;
+
+	return crypto_ahash_update(&ctx->fallback_req);
+}
+
+static int n2_hash_async_final(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+	ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback);
+	ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+	ctx->fallback_req.result = req->result;
+
+	return crypto_ahash_final(&ctx->fallback_req);
+}
+
+static int n2_hash_async_finup(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+	ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback);
+	ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+	ctx->fallback_req.nbytes = req->nbytes;
+	ctx->fallback_req.src = req->src;
+	ctx->fallback_req.result = req->result;
+
+	return crypto_ahash_finup(&ctx->fallback_req);
+}
+
+static int n2_hash_cra_init(struct crypto_tfm *tfm)
+{
+	const char *fallback_driver_name = tfm->__crt_alg->cra_name;
+	struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(ahash);
+	struct crypto_ahash *fallback_tfm;
+	int err;
+
+	fallback_tfm = crypto_alloc_ahash(fallback_driver_name, 0,
+					  CRYPTO_ALG_NEED_FALLBACK);
+	if (IS_ERR(fallback_tfm)) {
+		pr_warning("Fallback driver '%s' could not be loaded!\n",
+			   fallback_driver_name);
+		err = PTR_ERR(fallback_tfm);
+		goto out;
+	}
+
+	ctx->fallback = fallback_tfm;
+	return 0;
+
+out:
+	return err;
+}
+
+static void n2_hash_cra_exit(struct crypto_tfm *tfm)
+{
+	struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(ahash);
+
+	crypto_free_ahash(ctx->fallback);
+}
+
+static unsigned long wait_for_tail(struct spu_queue *qp)
+{
+	unsigned long head, hv_ret;
+
+	do {
+		hv_ret = sun4v_ncs_gethead(qp->qhandle, &head);
+		if (hv_ret != HV_EOK) {
+			pr_err("Hypervisor error on gethead\n");
+			break;
+		}
+		if (head == qp->tail) {
+			qp->head = head;
+			break;
+		}
+	} while (1);
+	return hv_ret;
+}
+
+static unsigned long submit_and_wait_for_tail(struct spu_queue *qp,
+					      struct cwq_initial_entry *ent)
+{
+	unsigned long hv_ret = spu_queue_submit(qp, ent);
+
+	if (hv_ret == HV_EOK)
+		hv_ret = wait_for_tail(qp);
+
+	return hv_ret;
+}
+
+static int n2_hash_async_digest(struct ahash_request *req,
+				unsigned int auth_type, unsigned int digest_size,
+				unsigned int result_size, void *hash_loc)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct cwq_initial_entry *ent;
+	struct crypto_hash_walk walk;
+	struct spu_queue *qp;
+	unsigned long flags;
+	int err = -ENODEV;
+	int nbytes, cpu;
+
+	/* The total effective length of the operation may not
+	 * exceed 2^16.
+	 */
+	if (unlikely(req->nbytes > (1 << 16))) {
+		ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback);
+		ctx->fallback_req.base.flags =
+			req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+		ctx->fallback_req.nbytes = req->nbytes;
+		ctx->fallback_req.src = req->src;
+		ctx->fallback_req.result = req->result;
+
+		return crypto_ahash_digest(&ctx->fallback_req);
+	}
+
+	n2_base_ctx_init(&ctx->base);
+
+	nbytes = crypto_hash_walk_first(req, &walk);
+
+	cpu = get_cpu();
+	qp = cpu_to_cwq[cpu];
+	if (!qp)
+		goto out;
+
+	spin_lock_irqsave(&qp->lock, flags);
+
+	/* XXX can do better, improve this later by doing a by-hand scatterlist
+	 * XXX walk, etc.
+	 */
+	ent = qp->q + qp->tail;
+
+	ent->control = control_word_base(nbytes, 0, 0,
+					 auth_type, digest_size,
+					 false, true, false, false,
+					 OPCODE_INPLACE_BIT |
+					 OPCODE_AUTH_MAC);
+	ent->src_addr = __pa(walk.data);
+	ent->auth_key_addr = 0UL;
+	ent->auth_iv_addr = __pa(hash_loc);
+	ent->final_auth_state_addr = 0UL;
+	ent->enc_key_addr = 0UL;
+	ent->enc_iv_addr = 0UL;
+	ent->dest_addr = __pa(hash_loc);
+
+	nbytes = crypto_hash_walk_done(&walk, 0);
+	while (nbytes > 0) {
+		ent = spu_queue_next(qp, ent);
+
+		ent->control = (nbytes - 1);
+		ent->src_addr = __pa(walk.data);
+		ent->auth_key_addr = 0UL;
+		ent->auth_iv_addr = 0UL;
+		ent->final_auth_state_addr = 0UL;
+		ent->enc_key_addr = 0UL;
+		ent->enc_iv_addr = 0UL;
+		ent->dest_addr = 0UL;
+
+		nbytes = crypto_hash_walk_done(&walk, 0);
+	}
+	ent->control |= CONTROL_END_OF_BLOCK;
+
+	if (submit_and_wait_for_tail(qp, ent) != HV_EOK)
+		err = -EINVAL;
+	else
+		err = 0;
+
+	spin_unlock_irqrestore(&qp->lock, flags);
+
+	if (!err)
+		memcpy(req->result, hash_loc, result_size);
+out:
+	put_cpu();
+
+	return err;
+}
+
+static int n2_md5_async_digest(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct md5_state *m = &ctx->u.md5;
+
+	if (unlikely(req->nbytes == 0)) {
+		static const char md5_zero[MD5_DIGEST_SIZE] = {
+			0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
+			0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e,
+		};
+
+		memcpy(req->result, md5_zero, MD5_DIGEST_SIZE);
+		return 0;
+	}
+	m->hash[0] = cpu_to_le32(0x67452301);
+	m->hash[1] = cpu_to_le32(0xefcdab89);
+	m->hash[2] = cpu_to_le32(0x98badcfe);
+	m->hash[3] = cpu_to_le32(0x10325476);
+
+	return n2_hash_async_digest(req, AUTH_TYPE_MD5,
+				    MD5_DIGEST_SIZE, MD5_DIGEST_SIZE,
+				    m->hash);
+}
+
+static int n2_sha1_async_digest(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct sha1_state *s = &ctx->u.sha1;
+
+	if (unlikely(req->nbytes == 0)) {
+		static const char sha1_zero[SHA1_DIGEST_SIZE] = {
+			0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, 0x32,
+			0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90, 0xaf, 0xd8,
+			0x07, 0x09
+		};
+
+		memcpy(req->result, sha1_zero, SHA1_DIGEST_SIZE);
+		return 0;
+	}
+	s->state[0] = SHA1_H0;
+	s->state[1] = SHA1_H1;
+	s->state[2] = SHA1_H2;
+	s->state[3] = SHA1_H3;
+	s->state[4] = SHA1_H4;
+
+	return n2_hash_async_digest(req, AUTH_TYPE_SHA1,
+				    SHA1_DIGEST_SIZE, SHA1_DIGEST_SIZE,
+				    s->state);
+}
+
+static int n2_sha256_async_digest(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct sha256_state *s = &ctx->u.sha256;
+
+	if (req->nbytes == 0) {
+		static const char sha256_zero[SHA256_DIGEST_SIZE] = {
+			0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a,
+			0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae,
+			0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99,
+			0x1b, 0x78, 0x52, 0xb8, 0x55
+		};
+
+		memcpy(req->result, sha256_zero, SHA256_DIGEST_SIZE);
+		return 0;
+	}
+	s->state[0] = SHA256_H0;
+	s->state[1] = SHA256_H1;
+	s->state[2] = SHA256_H2;
+	s->state[3] = SHA256_H3;
+	s->state[4] = SHA256_H4;
+	s->state[5] = SHA256_H5;
+	s->state[6] = SHA256_H6;
+	s->state[7] = SHA256_H7;
+
+	return n2_hash_async_digest(req, AUTH_TYPE_SHA256,
+				    SHA256_DIGEST_SIZE, SHA256_DIGEST_SIZE,
+				    s->state);
+}
+
+static int n2_sha224_async_digest(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct sha256_state *s = &ctx->u.sha256;
+
+	if (req->nbytes == 0) {
+		static const char sha224_zero[SHA224_DIGEST_SIZE] = {
+			0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9, 0x47,
+			0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4, 0x15, 0xa2,
+			0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a, 0xc5, 0xb3, 0xe4,
+			0x2f
+		};
+
+		memcpy(req->result, sha224_zero, SHA224_DIGEST_SIZE);
+		return 0;
+	}
+	s->state[0] = SHA224_H0;
+	s->state[1] = SHA224_H1;
+	s->state[2] = SHA224_H2;
+	s->state[3] = SHA224_H3;
+	s->state[4] = SHA224_H4;
+	s->state[5] = SHA224_H5;
+	s->state[6] = SHA224_H6;
+	s->state[7] = SHA224_H7;
+
+	return n2_hash_async_digest(req, AUTH_TYPE_SHA256,
+				    SHA256_DIGEST_SIZE, SHA224_DIGEST_SIZE,
+				    s->state);
+}
+
+struct n2_cipher_context {
+	int			key_len;
+	int			enc_type;
+	union {
+		u8		aes[AES_MAX_KEY_SIZE];
+		u8		des[DES_KEY_SIZE];
+		u8		des3[3 * DES_KEY_SIZE];
+		u8		arc4[258]; /* S-box, X, Y */
+	} key;
+};
+
+#define N2_CHUNK_ARR_LEN	16
+
+struct n2_crypto_chunk {
+	struct list_head	entry;
+	unsigned long		iv_paddr : 44;
+	unsigned long		arr_len : 20;
+	unsigned long		dest_paddr;
+	unsigned long		dest_final;
+	struct {
+		unsigned long	src_paddr : 44;
+		unsigned long	src_len : 20;
+	} arr[N2_CHUNK_ARR_LEN];
+};
+
+struct n2_request_context {
+	struct ablkcipher_walk	walk;
+	struct list_head	chunk_list;
+	struct n2_crypto_chunk	chunk;
+	u8			temp_iv[16];
+};
+
+/* The SPU allows some level of flexibility for partial cipher blocks
+ * being specified in a descriptor.
+ *
+ * It merely requires that every descriptor's length field is at least
+ * as large as the cipher block size.  This means that a cipher block
+ * can span at most 2 descriptors.  However, this does not allow a
+ * partial block to span into the final descriptor as that would
+ * violate the rule (since every descriptor's length must be at lest
+ * the block size).  So, for example, assuming an 8 byte block size:
+ *
+ *	0xe --> 0xa --> 0x8
+ *
+ * is a valid length sequence, whereas:
+ *
+ *	0xe --> 0xb --> 0x7
+ *
+ * is not a valid sequence.
+ */
+
+struct n2_cipher_alg {
+	struct list_head	entry;
+	u8			enc_type;
+	struct crypto_alg	alg;
+};
+
+static inline struct n2_cipher_alg *n2_cipher_alg(struct crypto_tfm *tfm)
+{
+	struct crypto_alg *alg = tfm->__crt_alg;
+
+	return container_of(alg, struct n2_cipher_alg, alg);
+}
+
+struct n2_cipher_request_context {
+	struct ablkcipher_walk	walk;
+};
+
+static int n2_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+			 unsigned int keylen)
+{
+	struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+	struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm);
+	struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm);
+
+	ctx->enc_type = (n2alg->enc_type & ENC_TYPE_CHAINING_MASK);
+
+	switch (keylen) {
+	case AES_KEYSIZE_128:
+		ctx->enc_type |= ENC_TYPE_ALG_AES128;
+		break;
+	case AES_KEYSIZE_192:
+		ctx->enc_type |= ENC_TYPE_ALG_AES192;
+		break;
+	case AES_KEYSIZE_256:
+		ctx->enc_type |= ENC_TYPE_ALG_AES256;
+		break;
+	default:
+		crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+		return -EINVAL;
+	}
+
+	ctx->key_len = keylen;
+	memcpy(ctx->key.aes, key, keylen);
+	return 0;
+}
+
+static int n2_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+			 unsigned int keylen)
+{
+	struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+	struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm);
+	struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm);
+	u32 tmp[DES_EXPKEY_WORDS];
+	int err;
+
+	ctx->enc_type = n2alg->enc_type;
+
+	if (keylen != DES_KEY_SIZE) {
+		crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+		return -EINVAL;
+	}
+
+	err = des_ekey(tmp, key);
+	if (err == 0 && (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
+		tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
+		return -EINVAL;
+	}
+
+	ctx->key_len = keylen;
+	memcpy(ctx->key.des, key, keylen);
+	return 0;
+}
+
+static int n2_3des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+			  unsigned int keylen)
+{
+	struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+	struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm);
+	struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm);
+
+	ctx->enc_type = n2alg->enc_type;
+
+	if (keylen != (3 * DES_KEY_SIZE)) {
+		crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+		return -EINVAL;
+	}
+	ctx->key_len = keylen;
+	memcpy(ctx->key.des3, key, keylen);
+	return 0;
+}
+
+static int n2_arc4_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+			  unsigned int keylen)
+{
+	struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+	struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm);
+	struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm);
+	u8 *s = ctx->key.arc4;
+	u8 *x = s + 256;
+	u8 *y = x + 1;
+	int i, j, k;
+
+	ctx->enc_type = n2alg->enc_type;
+
+	j = k = 0;
+	*x = 0;
+	*y = 0;
+	for (i = 0; i < 256; i++)
+		s[i] = i;
+	for (i = 0; i < 256; i++) {
+		u8 a = s[i];
+		j = (j + key[k] + a) & 0xff;
+		s[i] = s[j];
+		s[j] = a;
+		if (++k >= keylen)
+			k = 0;
+	}
+
+	return 0;
+}
+
+static inline int cipher_descriptor_len(int nbytes, unsigned int block_size)
+{
+	int this_len = nbytes;
+
+	this_len -= (nbytes & (block_size - 1));
+	return this_len > (1 << 16) ? (1 << 16) : this_len;
+}
+
+static int __n2_crypt_chunk(struct crypto_tfm *tfm, struct n2_crypto_chunk *cp,
+			    struct spu_queue *qp, bool encrypt)
+{
+	struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm);
+	struct cwq_initial_entry *ent;
+	bool in_place;
+	int i;
+
+	ent = spu_queue_alloc(qp, cp->arr_len);
+	if (!ent) {
+		pr_info("queue_alloc() of %d fails\n",
+			cp->arr_len);
+		return -EBUSY;
+	}
+
+	in_place = (cp->dest_paddr == cp->arr[0].src_paddr);
+
+	ent->control = control_word_base(cp->arr[0].src_len,
+					 0, ctx->enc_type, 0, 0,
+					 false, true, false, encrypt,
+					 OPCODE_ENCRYPT |
+					 (in_place ? OPCODE_INPLACE_BIT : 0));
+	ent->src_addr = cp->arr[0].src_paddr;
+	ent->auth_key_addr = 0UL;
+	ent->auth_iv_addr = 0UL;
+	ent->final_auth_state_addr = 0UL;
+	ent->enc_key_addr = __pa(&ctx->key);
+	ent->enc_iv_addr = cp->iv_paddr;
+	ent->dest_addr = (in_place ? 0UL : cp->dest_paddr);
+
+	for (i = 1; i < cp->arr_len; i++) {
+		ent = spu_queue_next(qp, ent);
+
+		ent->control = cp->arr[i].src_len - 1;
+		ent->src_addr = cp->arr[i].src_paddr;
+		ent->auth_key_addr = 0UL;
+		ent->auth_iv_addr = 0UL;
+		ent->final_auth_state_addr = 0UL;
+		ent->enc_key_addr = 0UL;
+		ent->enc_iv_addr = 0UL;
+		ent->dest_addr = 0UL;
+	}
+	ent->control |= CONTROL_END_OF_BLOCK;
+
+	return (spu_queue_submit(qp, ent) != HV_EOK) ? -EINVAL : 0;
+}
+
+static int n2_compute_chunks(struct ablkcipher_request *req)
+{
+	struct n2_request_context *rctx = ablkcipher_request_ctx(req);
+	struct ablkcipher_walk *walk = &rctx->walk;
+	struct n2_crypto_chunk *chunk;
+	unsigned long dest_prev;
+	unsigned int tot_len;
+	bool prev_in_place;
+	int err, nbytes;
+
+	ablkcipher_walk_init(walk, req->dst, req->src, req->nbytes);
+	err = ablkcipher_walk_phys(req, walk);
+	if (err)
+		return err;
+
+	INIT_LIST_HEAD(&rctx->chunk_list);
+
+	chunk = &rctx->chunk;
+	INIT_LIST_HEAD(&chunk->entry);
+
+	chunk->iv_paddr = 0UL;
+	chunk->arr_len = 0;
+	chunk->dest_paddr = 0UL;
+
+	prev_in_place = false;
+	dest_prev = ~0UL;
+	tot_len = 0;
+
+	while ((nbytes = walk->nbytes) != 0) {
+		unsigned long dest_paddr, src_paddr;
+		bool in_place;
+		int this_len;
+
+		src_paddr = (page_to_phys(walk->src.page) +
+			     walk->src.offset);
+		dest_paddr = (page_to_phys(walk->dst.page) +
+			      walk->dst.offset);
+		in_place = (src_paddr == dest_paddr);
+		this_len = cipher_descriptor_len(nbytes, walk->blocksize);
+
+		if (chunk->arr_len != 0) {
+			if (in_place != prev_in_place ||
+			    (!prev_in_place &&
+			     dest_paddr != dest_prev) ||
+			    chunk->arr_len == N2_CHUNK_ARR_LEN ||
+			    tot_len + this_len > (1 << 16)) {
+				chunk->dest_final = dest_prev;
+				list_add_tail(&chunk->entry,
+					      &rctx->chunk_list);
+				chunk = kzalloc(sizeof(*chunk), GFP_ATOMIC);
+				if (!chunk) {
+					err = -ENOMEM;
+					break;
+				}
+				INIT_LIST_HEAD(&chunk->entry);
+			}
+		}
+		if (chunk->arr_len == 0) {
+			chunk->dest_paddr = dest_paddr;
+			tot_len = 0;
+		}
+		chunk->arr[chunk->arr_len].src_paddr = src_paddr;
+		chunk->arr[chunk->arr_len].src_len = this_len;
+		chunk->arr_len++;
+
+		dest_prev = dest_paddr + this_len;
+		prev_in_place = in_place;
+		tot_len += this_len;
+
+		err = ablkcipher_walk_done(req, walk, nbytes - this_len);
+		if (err)
+			break;
+	}
+	if (!err && chunk->arr_len != 0) {
+		chunk->dest_final = dest_prev;
+		list_add_tail(&chunk->entry, &rctx->chunk_list);
+	}
+
+	return err;
+}
+
+static void n2_chunk_complete(struct ablkcipher_request *req, void *final_iv)
+{
+	struct n2_request_context *rctx = ablkcipher_request_ctx(req);
+	struct n2_crypto_chunk *c, *tmp;
+
+	if (final_iv)
+		memcpy(rctx->walk.iv, final_iv, rctx->walk.blocksize);
+
+	ablkcipher_walk_complete(&rctx->walk);
+	list_for_each_entry_safe(c, tmp, &rctx->chunk_list, entry) {
+		list_del(&c->entry);
+		if (unlikely(c != &rctx->chunk))
+			kfree(c);
+	}
+
+}
+
+static int n2_do_ecb(struct ablkcipher_request *req, bool encrypt)
+{
+	struct n2_request_context *rctx = ablkcipher_request_ctx(req);
+	struct crypto_tfm *tfm = req->base.tfm;
+	int err = n2_compute_chunks(req);
+	struct n2_crypto_chunk *c, *tmp;
+	unsigned long flags, hv_ret;
+	struct spu_queue *qp;
+
+	if (err)
+		return err;
+
+	qp = cpu_to_cwq[get_cpu()];
+	err = -ENODEV;
+	if (!qp)
+		goto out;
+
+	spin_lock_irqsave(&qp->lock, flags);
+
+	list_for_each_entry_safe(c, tmp, &rctx->chunk_list, entry) {
+		err = __n2_crypt_chunk(tfm, c, qp, encrypt);
+		if (err)
+			break;
+		list_del(&c->entry);
+		if (unlikely(c != &rctx->chunk))
+			kfree(c);
+	}
+	if (!err) {
+		hv_ret = wait_for_tail(qp);
+		if (hv_ret != HV_EOK)
+			err = -EINVAL;
+	}
+
+	spin_unlock_irqrestore(&qp->lock, flags);
+
+	put_cpu();
+
+out:
+	n2_chunk_complete(req, NULL);
+	return err;
+}
+
+static int n2_encrypt_ecb(struct ablkcipher_request *req)
+{
+	return n2_do_ecb(req, true);
+}
+
+static int n2_decrypt_ecb(struct ablkcipher_request *req)
+{
+	return n2_do_ecb(req, false);
+}
+
+static int n2_do_chaining(struct ablkcipher_request *req, bool encrypt)
+{
+	struct n2_request_context *rctx = ablkcipher_request_ctx(req);
+	struct crypto_tfm *tfm = req->base.tfm;
+	unsigned long flags, hv_ret, iv_paddr;
+	int err = n2_compute_chunks(req);
+	struct n2_crypto_chunk *c, *tmp;
+	struct spu_queue *qp;
+	void *final_iv_addr;
+
+	final_iv_addr = NULL;
+
+	if (err)
+		return err;
+
+	qp = cpu_to_cwq[get_cpu()];
+	err = -ENODEV;
+	if (!qp)
+		goto out;
+
+	spin_lock_irqsave(&qp->lock, flags);
+
+	if (encrypt) {
+		iv_paddr = __pa(rctx->walk.iv);
+		list_for_each_entry_safe(c, tmp, &rctx->chunk_list,
+					 entry) {
+			c->iv_paddr = iv_paddr;
+			err = __n2_crypt_chunk(tfm, c, qp, true);
+			if (err)
+				break;
+			iv_paddr = c->dest_final - rctx->walk.blocksize;
+			list_del(&c->entry);
+			if (unlikely(c != &rctx->chunk))
+				kfree(c);
+		}
+		final_iv_addr = __va(iv_paddr);
+	} else {
+		list_for_each_entry_safe_reverse(c, tmp, &rctx->chunk_list,
+						 entry) {
+			if (c == &rctx->chunk) {
+				iv_paddr = __pa(rctx->walk.iv);
+			} else {
+				iv_paddr = (tmp->arr[tmp->arr_len-1].src_paddr +
+					    tmp->arr[tmp->arr_len-1].src_len -
+					    rctx->walk.blocksize);
+			}
+			if (!final_iv_addr) {
+				unsigned long pa;
+
+				pa = (c->arr[c->arr_len-1].src_paddr +
+				      c->arr[c->arr_len-1].src_len -
+				      rctx->walk.blocksize);
+				final_iv_addr = rctx->temp_iv;
+				memcpy(rctx->temp_iv, __va(pa),
+				       rctx->walk.blocksize);
+			}
+			c->iv_paddr = iv_paddr;
+			err = __n2_crypt_chunk(tfm, c, qp, false);
+			if (err)
+				break;
+			list_del(&c->entry);
+			if (unlikely(c != &rctx->chunk))
+				kfree(c);
+		}
+	}
+	if (!err) {
+		hv_ret = wait_for_tail(qp);
+		if (hv_ret != HV_EOK)
+			err = -EINVAL;
+	}
+
+	spin_unlock_irqrestore(&qp->lock, flags);
+
+	put_cpu();
+
+out:
+	n2_chunk_complete(req, err ? NULL : final_iv_addr);
+	return err;
+}
+
+static int n2_encrypt_chaining(struct ablkcipher_request *req)
+{
+	return n2_do_chaining(req, true);
+}
+
+static int n2_decrypt_chaining(struct ablkcipher_request *req)
+{
+	return n2_do_chaining(req, false);
+}
+
+struct n2_cipher_tmpl {
+	const char		*name;
+	const char		*drv_name;
+	u8			block_size;
+	u8			enc_type;
+	struct ablkcipher_alg	ablkcipher;
+};
+
+static const struct n2_cipher_tmpl cipher_tmpls[] = {
+	/* ARC4: only ECB is supported (chaining bits ignored) */
+	{	.name		= "ecb(arc4)",
+		.drv_name	= "ecb-arc4",
+		.block_size	= 1,
+		.enc_type	= (ENC_TYPE_ALG_RC4_STREAM |
+				   ENC_TYPE_CHAINING_ECB),
+		.ablkcipher	= {
+			.min_keysize	= 1,
+			.max_keysize	= 256,
+			.setkey		= n2_arc4_setkey,
+			.encrypt	= n2_encrypt_ecb,
+			.decrypt	= n2_decrypt_ecb,
+		},
+	},
+
+	/* DES: ECB CBC and CFB are supported */
+	{	.name		= "ecb(des)",
+		.drv_name	= "ecb-des",
+		.block_size	= DES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_DES |
+				   ENC_TYPE_CHAINING_ECB),
+		.ablkcipher	= {
+			.min_keysize	= DES_KEY_SIZE,
+			.max_keysize	= DES_KEY_SIZE,
+			.setkey		= n2_des_setkey,
+			.encrypt	= n2_encrypt_ecb,
+			.decrypt	= n2_decrypt_ecb,
+		},
+	},
+	{	.name		= "cbc(des)",
+		.drv_name	= "cbc-des",
+		.block_size	= DES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_DES |
+				   ENC_TYPE_CHAINING_CBC),
+		.ablkcipher	= {
+			.ivsize		= DES_BLOCK_SIZE,
+			.min_keysize	= DES_KEY_SIZE,
+			.max_keysize	= DES_KEY_SIZE,
+			.setkey		= n2_des_setkey,
+			.encrypt	= n2_encrypt_chaining,
+			.decrypt	= n2_decrypt_chaining,
+		},
+	},
+	{	.name		= "cfb(des)",
+		.drv_name	= "cfb-des",
+		.block_size	= DES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_DES |
+				   ENC_TYPE_CHAINING_CFB),
+		.ablkcipher	= {
+			.min_keysize	= DES_KEY_SIZE,
+			.max_keysize	= DES_KEY_SIZE,
+			.setkey		= n2_des_setkey,
+			.encrypt	= n2_encrypt_chaining,
+			.decrypt	= n2_decrypt_chaining,
+		},
+	},
+
+	/* 3DES: ECB CBC and CFB are supported */
+	{	.name		= "ecb(des3_ede)",
+		.drv_name	= "ecb-3des",
+		.block_size	= DES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_3DES |
+				   ENC_TYPE_CHAINING_ECB),
+		.ablkcipher	= {
+			.min_keysize	= 3 * DES_KEY_SIZE,
+			.max_keysize	= 3 * DES_KEY_SIZE,
+			.setkey		= n2_3des_setkey,
+			.encrypt	= n2_encrypt_ecb,
+			.decrypt	= n2_decrypt_ecb,
+		},
+	},
+	{	.name		= "cbc(des3_ede)",
+		.drv_name	= "cbc-3des",
+		.block_size	= DES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_3DES |
+				   ENC_TYPE_CHAINING_CBC),
+		.ablkcipher	= {
+			.ivsize		= DES_BLOCK_SIZE,
+			.min_keysize	= 3 * DES_KEY_SIZE,
+			.max_keysize	= 3 * DES_KEY_SIZE,
+			.setkey		= n2_3des_setkey,
+			.encrypt	= n2_encrypt_chaining,
+			.decrypt	= n2_decrypt_chaining,
+		},
+	},
+	{	.name		= "cfb(des3_ede)",
+		.drv_name	= "cfb-3des",
+		.block_size	= DES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_3DES |
+				   ENC_TYPE_CHAINING_CFB),
+		.ablkcipher	= {
+			.min_keysize	= 3 * DES_KEY_SIZE,
+			.max_keysize	= 3 * DES_KEY_SIZE,
+			.setkey		= n2_3des_setkey,
+			.encrypt	= n2_encrypt_chaining,
+			.decrypt	= n2_decrypt_chaining,
+		},
+	},
+	/* AES: ECB CBC and CTR are supported */
+	{	.name		= "ecb(aes)",
+		.drv_name	= "ecb-aes",
+		.block_size	= AES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_AES128 |
+				   ENC_TYPE_CHAINING_ECB),
+		.ablkcipher	= {
+			.min_keysize	= AES_MIN_KEY_SIZE,
+			.max_keysize	= AES_MAX_KEY_SIZE,
+			.setkey		= n2_aes_setkey,
+			.encrypt	= n2_encrypt_ecb,
+			.decrypt	= n2_decrypt_ecb,
+		},
+	},
+	{	.name		= "cbc(aes)",
+		.drv_name	= "cbc-aes",
+		.block_size	= AES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_AES128 |
+				   ENC_TYPE_CHAINING_CBC),
+		.ablkcipher	= {
+			.ivsize		= AES_BLOCK_SIZE,
+			.min_keysize	= AES_MIN_KEY_SIZE,
+			.max_keysize	= AES_MAX_KEY_SIZE,
+			.setkey		= n2_aes_setkey,
+			.encrypt	= n2_encrypt_chaining,
+			.decrypt	= n2_decrypt_chaining,
+		},
+	},
+	{	.name		= "ctr(aes)",
+		.drv_name	= "ctr-aes",
+		.block_size	= AES_BLOCK_SIZE,
+		.enc_type	= (ENC_TYPE_ALG_AES128 |
+				   ENC_TYPE_CHAINING_COUNTER),
+		.ablkcipher	= {
+			.ivsize		= AES_BLOCK_SIZE,
+			.min_keysize	= AES_MIN_KEY_SIZE,
+			.max_keysize	= AES_MAX_KEY_SIZE,
+			.setkey		= n2_aes_setkey,
+			.encrypt	= n2_encrypt_chaining,
+			.decrypt	= n2_encrypt_chaining,
+		},
+	},
+
+};
+#define NUM_CIPHER_TMPLS ARRAY_SIZE(cipher_tmpls)
+
+static LIST_HEAD(cipher_algs);
+
+struct n2_hash_tmpl {
+	const char	*name;
+	int		(*digest)(struct ahash_request *req);
+	u8		digest_size;
+	u8		block_size;
+};
+static const struct n2_hash_tmpl hash_tmpls[] = {
+	{ .name		= "md5",
+	  .digest	= n2_md5_async_digest,
+	  .digest_size	= MD5_DIGEST_SIZE,
+	  .block_size	= MD5_HMAC_BLOCK_SIZE },
+	{ .name		= "sha1",
+	  .digest	= n2_sha1_async_digest,
+	  .digest_size	= SHA1_DIGEST_SIZE,
+	  .block_size	= SHA1_BLOCK_SIZE },
+	{ .name		= "sha256",
+	  .digest	= n2_sha256_async_digest,
+	  .digest_size	= SHA256_DIGEST_SIZE,
+	  .block_size	= SHA256_BLOCK_SIZE },
+	{ .name		= "sha224",
+	  .digest	= n2_sha224_async_digest,
+	  .digest_size	= SHA224_DIGEST_SIZE,
+	  .block_size	= SHA224_BLOCK_SIZE },
+};
+#define NUM_HASH_TMPLS ARRAY_SIZE(hash_tmpls)
+
+struct n2_ahash_alg {
+	struct list_head	entry;
+	struct ahash_alg	alg;
+};
+static LIST_HEAD(ahash_algs);
+
+static int algs_registered;
+
+static void __n2_unregister_algs(void)
+{
+	struct n2_cipher_alg *cipher, *cipher_tmp;
+	struct n2_ahash_alg *alg, *alg_tmp;
+
+	list_for_each_entry_safe(cipher, cipher_tmp, &cipher_algs, entry) {
+		crypto_unregister_alg(&cipher->alg);
+		list_del(&cipher->entry);
+		kfree(cipher);
+	}
+	list_for_each_entry_safe(alg, alg_tmp, &ahash_algs, entry) {
+		crypto_unregister_ahash(&alg->alg);
+		list_del(&alg->entry);
+		kfree(alg);
+	}
+}
+
+static int n2_cipher_cra_init(struct crypto_tfm *tfm)
+{
+	tfm->crt_ablkcipher.reqsize = sizeof(struct n2_request_context);
+	return 0;
+}
+
+static int __devinit __n2_register_one_cipher(const struct n2_cipher_tmpl *tmpl)
+{
+	struct n2_cipher_alg *p = kzalloc(sizeof(*p), GFP_KERNEL);
+	struct crypto_alg *alg;
+	int err;
+
+	if (!p)
+		return -ENOMEM;
+
+	alg = &p->alg;
+
+	snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
+	snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-n2", tmpl->drv_name);
+	alg->cra_priority = N2_CRA_PRIORITY;
+	alg->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
+	alg->cra_blocksize = tmpl->block_size;
+	p->enc_type = tmpl->enc_type;
+	alg->cra_ctxsize = sizeof(struct n2_cipher_context);
+	alg->cra_type = &crypto_ablkcipher_type;
+	alg->cra_u.ablkcipher = tmpl->ablkcipher;
+	alg->cra_init = n2_cipher_cra_init;
+	alg->cra_module = THIS_MODULE;
+
+	list_add(&p->entry, &cipher_algs);
+	err = crypto_register_alg(alg);
+	if (err) {
+		list_del(&p->entry);
+		kfree(p);
+	}
+	return err;
+}
+
+static int __devinit __n2_register_one_ahash(const struct n2_hash_tmpl *tmpl)
+{
+	struct n2_ahash_alg *p = kzalloc(sizeof(*p), GFP_KERNEL);
+	struct hash_alg_common *halg;
+	struct crypto_alg *base;
+	struct ahash_alg *ahash;
+	int err;
+
+	if (!p)
+		return -ENOMEM;
+
+	ahash = &p->alg;
+	ahash->init = n2_hash_async_init;
+	ahash->update = n2_hash_async_update;
+	ahash->final = n2_hash_async_final;
+	ahash->finup = n2_hash_async_finup;
+	ahash->digest = tmpl->digest;
+
+	halg = &ahash->halg;
+	halg->digestsize = tmpl->digest_size;
+
+	base = &halg->base;
+	snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
+	snprintf(base->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-n2", tmpl->name);
+	base->cra_priority = N2_CRA_PRIORITY;
+	base->cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_NEED_FALLBACK;
+	base->cra_blocksize = tmpl->block_size;
+	base->cra_ctxsize = sizeof(struct n2_hash_ctx);
+	base->cra_module = THIS_MODULE;
+	base->cra_init = n2_hash_cra_init;
+	base->cra_exit = n2_hash_cra_exit;
+
+	list_add(&p->entry, &ahash_algs);
+	err = crypto_register_ahash(ahash);
+	if (err) {
+		list_del(&p->entry);
+		kfree(p);
+	}
+	return err;
+}
+
+static int __devinit n2_register_algs(void)
+{
+	int i, err = 0;
+
+	mutex_lock(&spu_lock);
+	if (algs_registered++)
+		goto out;
+
+	for (i = 0; i < NUM_HASH_TMPLS; i++) {
+		err = __n2_register_one_ahash(&hash_tmpls[i]);
+		if (err) {
+			__n2_unregister_algs();
+			goto out;
+		}
+	}
+	for (i = 0; i < NUM_CIPHER_TMPLS; i++) {
+		err = __n2_register_one_cipher(&cipher_tmpls[i]);
+		if (err) {
+			__n2_unregister_algs();
+			goto out;
+		}
+	}
+
+out:
+	mutex_unlock(&spu_lock);
+	return err;
+}
+
+static void __exit n2_unregister_algs(void)
+{
+	mutex_lock(&spu_lock);
+	if (!--algs_registered)
+		__n2_unregister_algs();
+	mutex_unlock(&spu_lock);
+}
+
+/* To map CWQ queues to interrupt sources, the hypervisor API provides
+ * a devino.  This isn't very useful to us because all of the
+ * interrupts listed in the of_device node have been translated to
+ * Linux virtual IRQ cookie numbers.
+ *
+ * So we have to back-translate, going through the 'intr' and 'ino'
+ * property tables of the n2cp MDESC node, matching it with the OF
+ * 'interrupts' property entries, in order to to figure out which
+ * devino goes to which already-translated IRQ.
+ */
+static int find_devino_index(struct of_device *dev, struct spu_mdesc_info *ip,
+			     unsigned long dev_ino)
+{
+	const unsigned int *dev_intrs;
+	unsigned int intr;
+	int i;
+
+	for (i = 0; i < ip->num_intrs; i++) {
+		if (ip->ino_table[i].ino == dev_ino)
+			break;
+	}
+	if (i == ip->num_intrs)
+		return -ENODEV;
+
+	intr = ip->ino_table[i].intr;
+
+	dev_intrs = of_get_property(dev->node, "interrupts", NULL);
+	if (!dev_intrs)
+		return -ENODEV;
+
+	for (i = 0; i < dev->num_irqs; i++) {
+		if (dev_intrs[i] == intr)
+			return i;
+	}
+
+	return -ENODEV;
+}
+
+static int spu_map_ino(struct of_device *dev, struct spu_mdesc_info *ip,
+		       const char *irq_name, struct spu_queue *p,
+		       irq_handler_t handler)
+{
+	unsigned long herr;
+	int index;
+
+	herr = sun4v_ncs_qhandle_to_devino(p->qhandle, &p->devino);
+	if (herr)
+		return -EINVAL;
+
+	index = find_devino_index(dev, ip, p->devino);
+	if (index < 0)
+		return index;
+
+	p->irq = dev->irqs[index];
+
+	sprintf(p->irq_name, "%s-%d", irq_name, index);
+
+	return request_irq(p->irq, handler, IRQF_SAMPLE_RANDOM,
+			   p->irq_name, p);
+}
+
+static struct kmem_cache *queue_cache[2];
+
+static void *new_queue(unsigned long q_type)
+{
+	return kmem_cache_zalloc(queue_cache[q_type - 1], GFP_KERNEL);
+}
+
+static void free_queue(void *p, unsigned long q_type)
+{
+	return kmem_cache_free(queue_cache[q_type - 1], p);
+}
+
+static int queue_cache_init(void)
+{
+	if (!queue_cache[HV_NCS_QTYPE_MAU - 1])
+		queue_cache[HV_NCS_QTYPE_MAU - 1] =
+			kmem_cache_create("cwq_queue",
+					  (MAU_NUM_ENTRIES *
+					   MAU_ENTRY_SIZE),
+					  MAU_ENTRY_SIZE, 0, NULL);
+	if (!queue_cache[HV_NCS_QTYPE_MAU - 1])
+		return -ENOMEM;
+
+	if (!queue_cache[HV_NCS_QTYPE_CWQ - 1])
+		queue_cache[HV_NCS_QTYPE_CWQ - 1] =
+			kmem_cache_create("cwq_queue",
+					  (CWQ_NUM_ENTRIES *
+					   CWQ_ENTRY_SIZE),
+					  CWQ_ENTRY_SIZE, 0, NULL);
+	if (!queue_cache[HV_NCS_QTYPE_CWQ - 1]) {
+		kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+static void queue_cache_destroy(void)
+{
+	kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
+	kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_CWQ - 1]);
+}
+
+static int spu_queue_register(struct spu_queue *p, unsigned long q_type)
+{
+	cpumask_var_t old_allowed;
+	unsigned long hv_ret;
+
+	if (cpumask_empty(&p->sharing))
+		return -EINVAL;
+
+	if (!alloc_cpumask_var(&old_allowed, GFP_KERNEL))
+		return -ENOMEM;
+
+	cpumask_copy(old_allowed, &current->cpus_allowed);
+
+	set_cpus_allowed_ptr(current, &p->sharing);
+
+	hv_ret = sun4v_ncs_qconf(q_type, __pa(p->q),
+				 CWQ_NUM_ENTRIES, &p->qhandle);
+	if (!hv_ret)
+		sun4v_ncs_sethead_marker(p->qhandle, 0);
+
+	set_cpus_allowed_ptr(current, old_allowed);
+
+	free_cpumask_var(old_allowed);
+
+	return (hv_ret ? -EINVAL : 0);
+}
+
+static int spu_queue_setup(struct spu_queue *p)
+{
+	int err;
+
+	p->q = new_queue(p->q_type);
+	if (!p->q)
+		return -ENOMEM;
+
+	err = spu_queue_register(p, p->q_type);
+	if (err) {
+		free_queue(p->q, p->q_type);
+		p->q = NULL;
+	}
+
+	return err;
+}
+
+static void spu_queue_destroy(struct spu_queue *p)
+{
+	unsigned long hv_ret;
+
+	if (!p->q)
+		return;
+
+	hv_ret = sun4v_ncs_qconf(p->q_type, p->qhandle, 0, &p->qhandle);
+
+	if (!hv_ret)
+		free_queue(p->q, p->q_type);
+}
+
+static void spu_list_destroy(struct list_head *list)
+{
+	struct spu_queue *p, *n;
+
+	list_for_each_entry_safe(p, n, list, list) {
+		int i;
+
+		for (i = 0; i < NR_CPUS; i++) {
+			if (cpu_to_cwq[i] == p)
+				cpu_to_cwq[i] = NULL;
+		}
+
+		if (p->irq) {
+			free_irq(p->irq, p);
+			p->irq = 0;
+		}
+		spu_queue_destroy(p);
+		list_del(&p->list);
+		kfree(p);
+	}
+}
+
+/* Walk the backward arcs of a CWQ 'exec-unit' node,
+ * gathering cpu membership information.
+ */
+static int spu_mdesc_walk_arcs(struct mdesc_handle *mdesc,
+			       struct of_device *dev,
+			       u64 node, struct spu_queue *p,
+			       struct spu_queue **table)
+{
+	u64 arc;
+
+	mdesc_for_each_arc(arc, mdesc, node, MDESC_ARC_TYPE_BACK) {
+		u64 tgt = mdesc_arc_target(mdesc, arc);
+		const char *name = mdesc_node_name(mdesc, tgt);
+		const u64 *id;
+
+		if (strcmp(name, "cpu"))
+			continue;
+		id = mdesc_get_property(mdesc, tgt, "id", NULL);
+		if (table[*id] != NULL) {
+			dev_err(&dev->dev, "%s: SPU cpu slot already set.\n",
+				dev->node->full_name);
+			return -EINVAL;
+		}
+		cpu_set(*id, p->sharing);
+		table[*id] = p;
+	}
+	return 0;
+}
+
+/* Process an 'exec-unit' MDESC node of type 'cwq'.  */
+static int handle_exec_unit(struct spu_mdesc_info *ip, struct list_head *list,
+			    struct of_device *dev, struct mdesc_handle *mdesc,
+			    u64 node, const char *iname, unsigned long q_type,
+			    irq_handler_t handler, struct spu_queue **table)
+{
+	struct spu_queue *p;
+	int err;
+
+	p = kzalloc(sizeof(struct spu_queue), GFP_KERNEL);
+	if (!p) {
+		dev_err(&dev->dev, "%s: Could not allocate SPU queue.\n",
+			dev->node->full_name);
+		return -ENOMEM;
+	}
+
+	cpus_clear(p->sharing);
+	spin_lock_init(&p->lock);
+	p->q_type = q_type;
+	INIT_LIST_HEAD(&p->jobs);
+	list_add(&p->list, list);
+
+	err = spu_mdesc_walk_arcs(mdesc, dev, node, p, table);
+	if (err)
+		return err;
+
+	err = spu_queue_setup(p);
+	if (err)
+		return err;
+
+	return spu_map_ino(dev, ip, iname, p, handler);
+}
+
+static int spu_mdesc_scan(struct mdesc_handle *mdesc, struct of_device *dev,
+			  struct spu_mdesc_info *ip, struct list_head *list,
+			  const char *exec_name, unsigned long q_type,
+			  irq_handler_t handler, struct spu_queue **table)
+{
+	int err = 0;
+	u64 node;
+
+	mdesc_for_each_node_by_name(mdesc, node, "exec-unit") {
+		const char *type;
+
+		type = mdesc_get_property(mdesc, node, "type", NULL);
+		if (!type || strcmp(type, exec_name))
+			continue;
+
+		err = handle_exec_unit(ip, list, dev, mdesc, node,
+				       exec_name, q_type, handler, table);
+		if (err) {
+			spu_list_destroy(list);
+			break;
+		}
+	}
+
+	return err;
+}
+
+static int __devinit get_irq_props(struct mdesc_handle *mdesc, u64 node,
+				   struct spu_mdesc_info *ip)
+{
+	const u64 *intr, *ino;
+	int intr_len, ino_len;
+	int i;
+
+	intr = mdesc_get_property(mdesc, node, "intr", &intr_len);
+	if (!intr)
+		return -ENODEV;
+
+	ino = mdesc_get_property(mdesc, node, "ino", &ino_len);
+	if (!intr)
+		return -ENODEV;
+
+	if (intr_len != ino_len)
+		return -EINVAL;
+
+	ip->num_intrs = intr_len / sizeof(u64);
+	ip->ino_table = kzalloc((sizeof(struct ino_blob) *
+				 ip->num_intrs),
+				GFP_KERNEL);
+	if (!ip->ino_table)
+		return -ENOMEM;
+
+	for (i = 0; i < ip->num_intrs; i++) {
+		struct ino_blob *b = &ip->ino_table[i];
+		b->intr = intr[i];
+		b->ino = ino[i];
+	}
+
+	return 0;
+}
+
+static int __devinit grab_mdesc_irq_props(struct mdesc_handle *mdesc,
+					  struct of_device *dev,
+					  struct spu_mdesc_info *ip,
+					  const char *node_name)
+{
+	const unsigned int *reg;
+	u64 node;
+
+	reg = of_get_property(dev->node, "reg", NULL);
+	if (!reg)
+		return -ENODEV;
+
+	mdesc_for_each_node_by_name(mdesc, node, "virtual-device") {
+		const char *name;
+		const u64 *chdl;
+
+		name = mdesc_get_property(mdesc, node, "name", NULL);
+		if (!name || strcmp(name, node_name))
+			continue;
+		chdl = mdesc_get_property(mdesc, node, "cfg-handle", NULL);
+		if (!chdl || (*chdl != *reg))
+			continue;
+		ip->cfg_handle = *chdl;
+		return get_irq_props(mdesc, node, ip);
+	}
+
+	return -ENODEV;
+}
+
+static unsigned long n2_spu_hvapi_major;
+static unsigned long n2_spu_hvapi_minor;
+
+static int __devinit n2_spu_hvapi_register(void)
+{
+	int err;
+
+	n2_spu_hvapi_major = 2;
+	n2_spu_hvapi_minor = 0;
+
+	err = sun4v_hvapi_register(HV_GRP_NCS,
+				   n2_spu_hvapi_major,
+				   &n2_spu_hvapi_minor);
+
+	if (!err)
+		pr_info("Registered NCS HVAPI version %lu.%lu\n",
+			n2_spu_hvapi_major,
+			n2_spu_hvapi_minor);
+
+	return err;
+}
+
+static void n2_spu_hvapi_unregister(void)
+{
+	sun4v_hvapi_unregister(HV_GRP_NCS);
+}
+
+static int global_ref;
+
+static int __devinit grab_global_resources(void)
+{
+	int err = 0;
+
+	mutex_lock(&spu_lock);
+
+	if (global_ref++)
+		goto out;
+
+	err = n2_spu_hvapi_register();
+	if (err)
+		goto out;
+
+	err = queue_cache_init();
+	if (err)
+		goto out_hvapi_release;
+
+	err = -ENOMEM;
+	cpu_to_cwq = kzalloc(sizeof(struct spu_queue *) * NR_CPUS,
+			     GFP_KERNEL);
+	if (!cpu_to_cwq)
+		goto out_queue_cache_destroy;
+
+	cpu_to_mau = kzalloc(sizeof(struct spu_queue *) * NR_CPUS,
+			     GFP_KERNEL);
+	if (!cpu_to_mau)
+		goto out_free_cwq_table;
+
+	err = 0;
+
+out:
+	if (err)
+		global_ref--;
+	mutex_unlock(&spu_lock);
+	return err;
+
+out_free_cwq_table:
+	kfree(cpu_to_cwq);
+	cpu_to_cwq = NULL;
+
+out_queue_cache_destroy:
+	queue_cache_destroy();
+
+out_hvapi_release:
+	n2_spu_hvapi_unregister();
+	goto out;
+}
+
+static void release_global_resources(void)
+{
+	mutex_lock(&spu_lock);
+	if (!--global_ref) {
+		kfree(cpu_to_cwq);
+		cpu_to_cwq = NULL;
+
+		kfree(cpu_to_mau);
+		cpu_to_mau = NULL;
+
+		queue_cache_destroy();
+		n2_spu_hvapi_unregister();
+	}
+	mutex_unlock(&spu_lock);
+}
+
+static struct n2_crypto * __devinit alloc_n2cp(void)
+{
+	struct n2_crypto *np = kzalloc(sizeof(struct n2_crypto), GFP_KERNEL);
+
+	if (np)
+		INIT_LIST_HEAD(&np->cwq_list);
+
+	return np;
+}
+
+static void free_n2cp(struct n2_crypto *np)
+{
+	if (np->cwq_info.ino_table) {
+		kfree(np->cwq_info.ino_table);
+		np->cwq_info.ino_table = NULL;
+	}
+
+	kfree(np);
+}
+
+static void __devinit n2_spu_driver_version(void)
+{
+	static int n2_spu_version_printed;
+
+	if (n2_spu_version_printed++ == 0)
+		pr_info("%s", version);
+}
+
+static int __devinit n2_crypto_probe(struct of_device *dev,
+				     const struct of_device_id *match)
+{
+	struct mdesc_handle *mdesc;
+	const char *full_name;
+	struct n2_crypto *np;
+	int err;
+
+	n2_spu_driver_version();
+
+	full_name = dev->node->full_name;
+	pr_info("Found N2CP at %s\n", full_name);
+
+	np = alloc_n2cp();
+	if (!np) {
+		dev_err(&dev->dev, "%s: Unable to allocate n2cp.\n",
+			full_name);
+		return -ENOMEM;
+	}
+
+	err = grab_global_resources();
+	if (err) {
+		dev_err(&dev->dev, "%s: Unable to grab "
+			"global resources.\n", full_name);
+		goto out_free_n2cp;
+	}
+
+	mdesc = mdesc_grab();
+
+	if (!mdesc) {
+		dev_err(&dev->dev, "%s: Unable to grab MDESC.\n",
+			full_name);
+		err = -ENODEV;
+		goto out_free_global;
+	}
+	err = grab_mdesc_irq_props(mdesc, dev, &np->cwq_info, "n2cp");
+	if (err) {
+		dev_err(&dev->dev, "%s: Unable to grab IRQ props.\n",
+			full_name);
+		mdesc_release(mdesc);
+		goto out_free_global;
+	}
+
+	err = spu_mdesc_scan(mdesc, dev, &np->cwq_info, &np->cwq_list,
+			     "cwq", HV_NCS_QTYPE_CWQ, cwq_intr,
+			     cpu_to_cwq);
+	mdesc_release(mdesc);
+
+	if (err) {
+		dev_err(&dev->dev, "%s: CWQ MDESC scan failed.\n",
+			full_name);
+		goto out_free_global;
+	}
+
+	err = n2_register_algs();
+	if (err) {
+		dev_err(&dev->dev, "%s: Unable to register algorithms.\n",
+			full_name);
+		goto out_free_spu_list;
+	}
+
+	dev_set_drvdata(&dev->dev, np);
+
+	return 0;
+
+out_free_spu_list:
+	spu_list_destroy(&np->cwq_list);
+
+out_free_global:
+	release_global_resources();
+
+out_free_n2cp:
+	free_n2cp(np);
+
+	return err;
+}
+
+static int __devexit n2_crypto_remove(struct of_device *dev)
+{
+	struct n2_crypto *np = dev_get_drvdata(&dev->dev);
+
+	n2_unregister_algs();
+
+	spu_list_destroy(&np->cwq_list);
+
+	release_global_resources();
+
+	free_n2cp(np);
+
+	return 0;
+}
+
+static struct n2_mau * __devinit alloc_ncp(void)
+{
+	struct n2_mau *mp = kzalloc(sizeof(struct n2_mau), GFP_KERNEL);
+
+	if (mp)
+		INIT_LIST_HEAD(&mp->mau_list);
+
+	return mp;
+}
+
+static void free_ncp(struct n2_mau *mp)
+{
+	if (mp->mau_info.ino_table) {
+		kfree(mp->mau_info.ino_table);
+		mp->mau_info.ino_table = NULL;
+	}
+
+	kfree(mp);
+}
+
+static int __devinit n2_mau_probe(struct of_device *dev,
+				     const struct of_device_id *match)
+{
+	struct mdesc_handle *mdesc;
+	const char *full_name;
+	struct n2_mau *mp;
+	int err;
+
+	n2_spu_driver_version();
+
+	full_name = dev->node->full_name;
+	pr_info("Found NCP at %s\n", full_name);
+
+	mp = alloc_ncp();
+	if (!mp) {
+		dev_err(&dev->dev, "%s: Unable to allocate ncp.\n",
+			full_name);
+		return -ENOMEM;
+	}
+
+	err = grab_global_resources();
+	if (err) {
+		dev_err(&dev->dev, "%s: Unable to grab "
+			"global resources.\n", full_name);
+		goto out_free_ncp;
+	}
+
+	mdesc = mdesc_grab();
+
+	if (!mdesc) {
+		dev_err(&dev->dev, "%s: Unable to grab MDESC.\n",
+			full_name);
+		err = -ENODEV;
+		goto out_free_global;
+	}
+
+	err = grab_mdesc_irq_props(mdesc, dev, &mp->mau_info, "ncp");
+	if (err) {
+		dev_err(&dev->dev, "%s: Unable to grab IRQ props.\n",
+			full_name);
+		mdesc_release(mdesc);
+		goto out_free_global;
+	}
+
+	err = spu_mdesc_scan(mdesc, dev, &mp->mau_info, &mp->mau_list,
+			     "mau", HV_NCS_QTYPE_MAU, mau_intr,
+			     cpu_to_mau);
+	mdesc_release(mdesc);
+
+	if (err) {
+		dev_err(&dev->dev, "%s: MAU MDESC scan failed.\n",
+			full_name);
+		goto out_free_global;
+	}
+
+	dev_set_drvdata(&dev->dev, mp);
+
+	return 0;
+
+out_free_global:
+	release_global_resources();
+
+out_free_ncp:
+	free_ncp(mp);
+
+	return err;
+}
+
+static int __devexit n2_mau_remove(struct of_device *dev)
+{
+	struct n2_mau *mp = dev_get_drvdata(&dev->dev);
+
+	spu_list_destroy(&mp->mau_list);
+
+	release_global_resources();
+
+	free_ncp(mp);
+
+	return 0;
+}
+
+static struct of_device_id n2_crypto_match[] = {
+	{
+		.name = "n2cp",
+		.compatible = "SUNW,n2-cwq",
+	},
+	{
+		.name = "n2cp",
+		.compatible = "SUNW,vf-cwq",
+	},
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, n2_crypto_match);
+
+static struct of_platform_driver n2_crypto_driver = {
+	.name		=	"n2cp",
+	.match_table	=	n2_crypto_match,
+	.probe		=	n2_crypto_probe,
+	.remove		=	__devexit_p(n2_crypto_remove),
+};
+
+static struct of_device_id n2_mau_match[] = {
+	{
+		.name = "ncp",
+		.compatible = "SUNW,n2-mau",
+	},
+	{
+		.name = "ncp",
+		.compatible = "SUNW,vf-mau",
+	},
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, n2_mau_match);
+
+static struct of_platform_driver n2_mau_driver = {
+	.name		=	"ncp",
+	.match_table	=	n2_mau_match,
+	.probe		=	n2_mau_probe,
+	.remove		=	__devexit_p(n2_mau_remove),
+};
+
+static int __init n2_init(void)
+{
+	int err = of_register_driver(&n2_crypto_driver, &of_bus_type);
+
+	if (!err) {
+		err = of_register_driver(&n2_mau_driver, &of_bus_type);
+		if (err)
+			of_unregister_driver(&n2_crypto_driver);
+	}
+	return err;
+}
+
+static void __exit n2_exit(void)
+{
+	of_unregister_driver(&n2_mau_driver);
+	of_unregister_driver(&n2_crypto_driver);
+}
+
+module_init(n2_init);
+module_exit(n2_exit);
diff --git a/drivers/crypto/n2_core.h b/drivers/crypto/n2_core.h
new file mode 100644
index 00000000000..4bcbbeae98f
--- /dev/null
+++ b/drivers/crypto/n2_core.h
@@ -0,0 +1,231 @@
+#ifndef _N2_CORE_H
+#define _N2_CORE_H
+
+#ifndef __ASSEMBLY__
+
+struct ino_blob {
+	u64			intr;
+	u64			ino;
+};
+
+struct spu_mdesc_info {
+	u64			cfg_handle;
+	struct ino_blob		*ino_table;
+	int			num_intrs;
+};
+
+struct n2_crypto {
+	struct spu_mdesc_info	cwq_info;
+	struct list_head	cwq_list;
+};
+
+struct n2_mau {
+	struct spu_mdesc_info	mau_info;
+	struct list_head	mau_list;
+};
+
+#define CWQ_ENTRY_SIZE		64
+#define CWQ_NUM_ENTRIES		64
+
+#define MAU_ENTRY_SIZE		64
+#define MAU_NUM_ENTRIES		64
+
+struct cwq_initial_entry {
+	u64			control;
+	u64			src_addr;
+	u64			auth_key_addr;
+	u64			auth_iv_addr;
+	u64			final_auth_state_addr;
+	u64			enc_key_addr;
+	u64			enc_iv_addr;
+	u64			dest_addr;
+};
+
+struct cwq_ext_entry {
+	u64			len;
+	u64			src_addr;
+	u64			resv1;
+	u64			resv2;
+	u64			resv3;
+	u64			resv4;
+	u64			resv5;
+	u64			resv6;
+};
+
+struct cwq_final_entry {
+	u64			control;
+	u64			src_addr;
+	u64			resv1;
+	u64			resv2;
+	u64			resv3;
+	u64			resv4;
+	u64			resv5;
+	u64			resv6;
+};
+
+#define CONTROL_LEN			0x000000000000ffffULL
+#define CONTROL_LEN_SHIFT		0
+#define CONTROL_HMAC_KEY_LEN		0x0000000000ff0000ULL
+#define CONTROL_HMAC_KEY_LEN_SHIFT	16
+#define CONTROL_ENC_TYPE		0x00000000ff000000ULL
+#define CONTROL_ENC_TYPE_SHIFT		24
+#define  ENC_TYPE_ALG_RC4_STREAM	0x00ULL
+#define  ENC_TYPE_ALG_RC4_NOSTREAM	0x04ULL
+#define  ENC_TYPE_ALG_DES		0x08ULL
+#define  ENC_TYPE_ALG_3DES		0x0cULL
+#define  ENC_TYPE_ALG_AES128		0x10ULL
+#define  ENC_TYPE_ALG_AES192		0x14ULL
+#define  ENC_TYPE_ALG_AES256		0x18ULL
+#define  ENC_TYPE_ALG_RESERVED		0x1cULL
+#define  ENC_TYPE_ALG_MASK		0x1cULL
+#define  ENC_TYPE_CHAINING_ECB		0x00ULL
+#define  ENC_TYPE_CHAINING_CBC		0x01ULL
+#define  ENC_TYPE_CHAINING_CFB		0x02ULL
+#define  ENC_TYPE_CHAINING_COUNTER	0x03ULL
+#define  ENC_TYPE_CHAINING_MASK		0x03ULL
+#define CONTROL_AUTH_TYPE		0x0000001f00000000ULL
+#define CONTROL_AUTH_TYPE_SHIFT		32
+#define  AUTH_TYPE_RESERVED		0x00ULL
+#define  AUTH_TYPE_MD5			0x01ULL
+#define  AUTH_TYPE_SHA1			0x02ULL
+#define  AUTH_TYPE_SHA256		0x03ULL
+#define  AUTH_TYPE_CRC32		0x04ULL
+#define  AUTH_TYPE_HMAC_MD5		0x05ULL
+#define  AUTH_TYPE_HMAC_SHA1		0x06ULL
+#define  AUTH_TYPE_HMAC_SHA256		0x07ULL
+#define  AUTH_TYPE_TCP_CHECKSUM		0x08ULL
+#define  AUTH_TYPE_SSL_HMAC_MD5		0x09ULL
+#define  AUTH_TYPE_SSL_HMAC_SHA1	0x0aULL
+#define  AUTH_TYPE_SSL_HMAC_SHA256	0x0bULL
+#define CONTROL_STRAND			0x000000e000000000ULL
+#define CONTROL_STRAND_SHIFT		37
+#define CONTROL_HASH_LEN		0x0000ff0000000000ULL
+#define CONTROL_HASH_LEN_SHIFT		40
+#define CONTROL_INTERRUPT		0x0001000000000000ULL
+#define CONTROL_STORE_FINAL_AUTH_STATE	0x0002000000000000ULL
+#define CONTROL_RESERVED		0x001c000000000000ULL
+#define CONTROL_HV_DONE			0x0004000000000000ULL
+#define CONTROL_HV_PROTOCOL_ERROR	0x0008000000000000ULL
+#define CONTROL_HV_HARDWARE_ERROR	0x0010000000000000ULL
+#define CONTROL_END_OF_BLOCK		0x0020000000000000ULL
+#define CONTROL_START_OF_BLOCK		0x0040000000000000ULL
+#define CONTROL_ENCRYPT			0x0080000000000000ULL
+#define CONTROL_OPCODE			0xff00000000000000ULL
+#define CONTROL_OPCODE_SHIFT		56
+#define  OPCODE_INPLACE_BIT		0x80ULL
+#define  OPCODE_SSL_KEYBLOCK		0x10ULL
+#define  OPCODE_COPY			0x20ULL
+#define  OPCODE_ENCRYPT			0x40ULL
+#define  OPCODE_AUTH_MAC		0x41ULL
+
+#endif /* !(__ASSEMBLY__) */
+
+/* NCS v2.0 hypervisor interfaces */
+#define HV_NCS_QTYPE_MAU		0x01
+#define HV_NCS_QTYPE_CWQ		0x02
+
+/* ncs_qconf()
+ * TRAP:	HV_FAST_TRAP
+ * FUNCTION:	HV_FAST_NCS_QCONF
+ * ARG0:	Queue type (HV_NCS_QTYPE_{MAU,CWQ})
+ * ARG1:	Real address of queue, or handle for unconfigure
+ * ARG2:	Number of entries in queue, zero for unconfigure
+ * RET0:	status
+ * RET1:	queue handle
+ *
+ * Configure a queue in the stream processing unit.
+ *
+ * The real address given as the base must be 64-byte
+ * aligned.
+ *
+ * The queue size can range from a minimum of 2 to a maximum
+ * of 64.  The queue size must be a power of two.
+ *
+ * To unconfigure a queue, specify a length of zero and place
+ * the queue handle into ARG1.
+ *
+ * On configure success the hypervisor will set the FIRST, HEAD,
+ * and TAIL registers to the address of the first entry in the
+ * queue.  The LAST register will be set to point to the last
+ * entry in the queue.
+ */
+#define HV_FAST_NCS_QCONF		0x111
+
+/* ncs_qinfo()
+ * TRAP:	HV_FAST_TRAP
+ * FUNCTION:	HV_FAST_NCS_QINFO
+ * ARG0:	Queue handle
+ * RET0:	status
+ * RET1:	Queue type (HV_NCS_QTYPE_{MAU,CWQ})
+ * RET2:	Queue base address
+ * RET3:	Number of entries
+ */
+#define HV_FAST_NCS_QINFO		0x112
+
+/* ncs_gethead()
+ * TRAP:	HV_FAST_TRAP
+ * FUNCTION:	HV_FAST_NCS_GETHEAD
+ * ARG0:	Queue handle
+ * RET0:	status
+ * RET1:	queue head offset
+ */
+#define HV_FAST_NCS_GETHEAD		0x113
+
+/* ncs_gettail()
+ * TRAP:	HV_FAST_TRAP
+ * FUNCTION:	HV_FAST_NCS_GETTAIL
+ * ARG0:	Queue handle
+ * RET0:	status
+ * RET1:	queue tail offset
+ */
+#define HV_FAST_NCS_GETTAIL		0x114
+
+/* ncs_settail()
+ * TRAP:	HV_FAST_TRAP
+ * FUNCTION:	HV_FAST_NCS_SETTAIL
+ * ARG0:	Queue handle
+ * ARG1:	New tail offset
+ * RET0:	status
+ */
+#define HV_FAST_NCS_SETTAIL		0x115
+
+/* ncs_qhandle_to_devino()
+ * TRAP:	HV_FAST_TRAP
+ * FUNCTION:	HV_FAST_NCS_QHANDLE_TO_DEVINO
+ * ARG0:	Queue handle
+ * RET0:	status
+ * RET1:	devino
+ */
+#define HV_FAST_NCS_QHANDLE_TO_DEVINO	0x116
+
+/* ncs_sethead_marker()
+ * TRAP:	HV_FAST_TRAP
+ * FUNCTION:	HV_FAST_NCS_SETHEAD_MARKER
+ * ARG0:	Queue handle
+ * ARG1:	New head offset
+ * RET0:	status
+ */
+#define HV_FAST_NCS_SETHEAD_MARKER	0x117
+
+#ifndef __ASSEMBLY__
+extern unsigned long sun4v_ncs_qconf(unsigned long queue_type,
+				     unsigned long queue_ra,
+				     unsigned long num_entries,
+				     unsigned long *qhandle);
+extern unsigned long sun4v_ncs_qinfo(unsigned long qhandle,
+				     unsigned long *queue_type,
+				     unsigned long *queue_ra,
+				     unsigned long *num_entries);
+extern unsigned long sun4v_ncs_gethead(unsigned long qhandle,
+				       unsigned long *head);
+extern unsigned long sun4v_ncs_gettail(unsigned long qhandle,
+				       unsigned long *tail);
+extern unsigned long sun4v_ncs_settail(unsigned long qhandle,
+				       unsigned long tail);
+extern unsigned long sun4v_ncs_qhandle_to_devino(unsigned long qhandle,
+						 unsigned long *devino);
+extern unsigned long sun4v_ncs_sethead_marker(unsigned long qhandle,
+					      unsigned long head);
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* _N2_CORE_H */

From fd6be105b883244127a734ac9f14ae94a022dcc0 Mon Sep 17 00:00:00 2001
From: Tony Breeds <tony@bakeyournoodle.com>
Date: Wed, 19 May 2010 15:46:36 +1000
Subject: [PATCH 2084/3638] mutex: Fix optimistic spinning vs. BKL

Currently, we can hit a nasty case with optimistic
spinning on mutexes:

    CPU A tries to take a mutex, while holding the BKL

    CPU B tried to take the BLK while holding the mutex

This looks like a AB-BA scenario but in practice, is
allowed and happens due to the auto-release on
schedule() nature of the BKL.

In that case, the optimistic spinning code can get us
into a situation where instead of going to sleep, A
will spin waiting for B who is spinning waiting for
A, and the only way out of that loop is the
need_resched() test in mutex_spin_on_owner().

This patch fixes it by completely disabling spinning
if we own the BKL. This adds one more detail to the
extensive list of reasons why it's a bad idea for
kernel code to be holding the BKL.

Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: <stable@kernel.org>
LKML-Reference: <20100519054636.GC12389@ozlabs.org>
[ added an unlikely() attribute to the branch ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/mutex.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/kernel/mutex.c b/kernel/mutex.c
index 632f04c57d8..4c0b7b3e6d2 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -171,6 +171,13 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 	for (;;) {
 		struct thread_info *owner;
 
+		/*
+		 * If we own the BKL, then don't spin. The owner of
+		 * the mutex might be waiting on us to release the BKL.
+		 */
+		if (unlikely(current->lock_depth >= 0))
+			break;
+
 		/*
 		 * If there's an owner, wait for it to either
 		 * release the lock or go to sleep.

From e9ebb68b86dd75fe2d61467f834dcf572e6859df Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 28 Apr 2010 14:07:06 +1000
Subject: [PATCH 2085/3638] drm/nv50: support fractional feedback divider on
 newer chips

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/Makefile      |  3 +-
 drivers/gpu/drm/nouveau/nouveau_drv.h |  6 ++
 drivers/gpu/drm/nouveau/nv50_calc.c   | 87 +++++++++++++++++++++++++++
 drivers/gpu/drm/nouveau/nv50_crtc.c   | 46 +++++++-------
 4 files changed, 119 insertions(+), 23 deletions(-)
 create mode 100644 drivers/gpu/drm/nouveau/nv50_calc.c

diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index 453df3f6053..acd31ed861e 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -22,7 +22,8 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \
              nv50_cursor.o nv50_display.o nv50_fbcon.o \
              nv04_dac.o nv04_dfp.o nv04_tv.o nv17_tv.o nv17_tv_modes.o \
              nv04_crtc.o nv04_display.o nv04_cursor.o nv04_fbcon.o \
-             nv17_gpio.o nv50_gpio.o
+             nv17_gpio.o nv50_gpio.o \
+	     nv50_calc.o
 
 nouveau-$(CONFIG_DRM_NOUVEAU_DEBUG) += nouveau_debugfs.o
 nouveau-$(CONFIG_COMPAT) += nouveau_ioc32.o
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 94d8dd27bde..5b134438eff 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1170,6 +1170,12 @@ int nv17_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
 int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
 int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
 
+/* nv50_calc. */
+int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
+		  int *N1, int *M1, int *N2, int *M2, int *P);
+int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
+		   int clk, int *N, int *fN, int *M, int *P);
+
 #ifndef ioread32_native
 #ifdef __BIG_ENDIAN
 #define ioread16_native ioread16be
diff --git a/drivers/gpu/drm/nouveau/nv50_calc.c b/drivers/gpu/drm/nouveau/nv50_calc.c
new file mode 100644
index 00000000000..2cdc2bfe717
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv50_calc.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include "drmP.h"
+#include "drm_fixed.h"
+#include "nouveau_drv.h"
+#include "nouveau_hw.h"
+
+int
+nv50_calc_pll(struct drm_device *dev, struct pll_lims *pll, int clk,
+	      int *N1, int *M1, int *N2, int *M2, int *P)
+{
+	struct nouveau_pll_vals pll_vals;
+	int ret;
+
+	ret = nouveau_calc_pll_mnp(dev, pll, clk, &pll_vals);
+	if (ret <= 0)
+		return ret;
+
+	*N1 = pll_vals.N1;
+	*M1 = pll_vals.M1;
+	*N2 = pll_vals.N2;
+	*M2 = pll_vals.M2;
+	*P = pll_vals.log2P;
+	return ret;
+}
+
+int
+nv50_calc_pll2(struct drm_device *dev, struct pll_lims *pll, int clk,
+	       int *N, int *fN, int *M, int *P)
+{
+	fixed20_12 fb_div, a, b;
+
+	*P = pll->vco1.maxfreq / clk;
+	if (*P > pll->max_p)
+		*P = pll->max_p;
+	if (*P < pll->min_p)
+		*P = pll->min_p;
+
+	/* *M = ceil(refclk / pll->vco.max_inputfreq); */
+	a.full = dfixed_const(pll->refclk);
+	b.full = dfixed_const(pll->vco1.max_inputfreq);
+	a.full = dfixed_div(a, b);
+	a.full = dfixed_ceil(a);
+	*M = dfixed_trunc(a);
+
+	/* fb_div = (vco * *M) / refclk; */
+	fb_div.full = dfixed_const(clk * *P);
+	fb_div.full = dfixed_mul(fb_div, a);
+	a.full = dfixed_const(pll->refclk);
+	fb_div.full = dfixed_div(fb_div, a);
+
+	/* *N = floor(fb_div); */
+	a.full = dfixed_floor(fb_div);
+	*N = dfixed_trunc(fb_div);
+
+	/* *fN = (fmod(fb_div, 1.0) * 8192) - 4096; */
+	b.full = dfixed_const(8192);
+	a.full = dfixed_mul(a, b);
+	fb_div.full = dfixed_mul(fb_div, b);
+	fb_div.full = fb_div.full - a.full;
+	*fN = dfixed_trunc(fb_div) - 4096;
+	*fN &= 0xffff;
+
+	return clk;
+}
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index 41fe8aec0a1..b4e4a3b05ea 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -264,38 +264,40 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, int scaling_mode, bool update)
 int
 nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk)
 {
-	uint32_t pll_reg = NV50_PDISPLAY_CRTC_CLK_CTRL1(head);
-	struct nouveau_pll_vals pll;
-	struct pll_lims limits;
+	uint32_t reg = NV50_PDISPLAY_CRTC_CLK_CTRL1(head);
+	struct pll_lims pll;
 	uint32_t reg1, reg2;
-	int ret;
+	int ret, N1, M1, N2, M2, P;
 
-	ret = get_pll_limits(dev, pll_reg, &limits);
+	ret = get_pll_limits(dev, reg, &pll);
 	if (ret)
 		return ret;
 
-	ret = nouveau_calc_pll_mnp(dev, &limits, pclk, &pll);
-	if (ret <= 0)
-		return ret;
+	if (pll.vco2.maxfreq) {
+		ret = nv50_calc_pll(dev, &pll, pclk, &N1, &M1, &N2, &M2, &P);
+		if (ret <= 0)
+			return 0;
 
-	if (limits.vco2.maxfreq) {
 		NV_DEBUG(dev, "pclk %d out %d NM1 %d %d NM2 %d %d P %d\n",
-			 pclk, ret, pll.N1, pll.M1, pll.N2, pll.M2, pll.log2P);
+			 pclk, ret, N1, M1, N2, M2, P);
 
-		reg1 = nv_rd32(dev, pll_reg + 4) & 0xff00ff00;
-		reg2 = nv_rd32(dev, pll_reg + 8) & 0x8000ff00;
-		nv_wr32(dev, pll_reg, 0x10000611);
-		nv_wr32(dev, pll_reg + 4, reg1 | (pll.M1 << 16) | pll.N1);
-		nv_wr32(dev, pll_reg + 8,
-			reg2 | (pll.log2P << 28) | (pll.M2 << 16) | pll.N2);
+		reg1 = nv_rd32(dev, reg + 4) & 0xff00ff00;
+		reg2 = nv_rd32(dev, reg + 8) & 0x8000ff00;
+		nv_wr32(dev, reg, 0x10000611);
+		nv_wr32(dev, reg + 4, reg1 | (M1 << 16) | N1);
+		nv_wr32(dev, reg + 8, reg2 | (P << 28) | (M2 << 16) | N2);
 	} else {
-		NV_DEBUG(dev, "pclk %d out %d NM %d %d P %d\n",
-			 pclk, ret, pll.N1, pll.M1, pll.log2P);
+		ret = nv50_calc_pll2(dev, &pll, pclk, &N1, &N2, &M1, &P);
+		if (ret <= 0)
+			return 0;
 
-		reg1 = nv_rd32(dev, pll_reg + 4) & 0xffc00000;
-		nv_wr32(dev, pll_reg, 0x50000610);
-		nv_wr32(dev, pll_reg + 4, reg1 |
-			(pll.log2P << 16) | (pll.M1 << 8) | pll.N1);
+		NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n",
+			 pclk, ret, N1, N2, M1, P);
+
+		reg1 = nv_rd32(dev, reg + 4) & 0xffc00000;
+		nv_wr32(dev, reg, 0x50000610);
+		nv_wr32(dev, reg + 4, reg1 | (P << 16) | (M1 << 8) | N1);
+		nv_wr32(dev, reg + 8, N2);
 	}
 
 	return 0;

From 9170a82438230da63ed09cf6fd1f4d2f87baf68c Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 10 May 2010 16:54:23 +1000
Subject: [PATCH 2086/3638] drm/nouveau: fix init table handlers to return
 proper error codes

We really want to be able to distinguish between INIT_DONE and an actual
error sometimes.  This commit fixes up several lazy "return 0;" to be
actual error codes, and explicitly reserves "0" as "success, but stop
parsing this table".

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 51 ++++++++++++++------------
 1 file changed, 28 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 3c9c54e16a5..387ac734e9b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -257,6 +257,11 @@ static bool NVShadowVBIOS(struct drm_device *dev, uint8_t *data)
 struct init_tbl_entry {
 	char *name;
 	uint8_t id;
+	/* Return:
+	 *  > 0: success, length of opcode
+	 *    0: success, but abort further parsing of table (INIT_DONE etc)
+	 *  < 0: failure, table parsing will be aborted
+	 */
 	int (*handler)(struct nvbios *, uint16_t, struct init_exec *);
 };
 
@@ -819,7 +824,7 @@ init_io_restrict_prog(struct nvbios *bios, uint16_t offset,
 		NV_ERROR(bios->dev,
 			 "0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
 			 offset, config, count);
-		return 0;
+		return -EINVAL;
 	}
 
 	configval = ROM32(bios->data[offset + 11 + config * 4]);
@@ -921,7 +926,7 @@ init_io_restrict_pll(struct nvbios *bios, uint16_t offset,
 		NV_ERROR(bios->dev,
 			 "0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
 			 offset, config, count);
-		return 0;
+		return -EINVAL;
 	}
 
 	freq = ROM16(bios->data[offset + 12 + config * 2]);
@@ -1291,7 +1296,7 @@ init_io_restrict_pll2(struct nvbios *bios, uint16_t offset,
 		NV_ERROR(bios->dev,
 			 "0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
 			 offset, config, count);
-		return 0;
+		return -EINVAL;
 	}
 
 	freq = ROM32(bios->data[offset + 11 + config * 4]);
@@ -1368,7 +1373,7 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 
 	chan = init_i2c_device_find(bios->dev, i2c_index);
 	if (!chan)
-		return 0;
+		return -ENODEV;
 
 	for (i = 0; i < count; i++) {
 		uint8_t i2c_reg = bios->data[offset + 4 + i * 3];
@@ -1381,7 +1386,7 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 		msg.len = 1;
 		msg.buf = &value;
 		if (i2c_transfer(&chan->adapter, &msg, 1) != 1)
-			return 0;
+			return -EIO;
 
 		BIOSLOG(bios, "0x%04X: I2CReg: 0x%02X, Value: 0x%02X, "
 			      "Mask: 0x%02X, Data: 0x%02X\n",
@@ -1395,7 +1400,7 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 			msg.len = 1;
 			msg.buf = &value;
 			if (i2c_transfer(&chan->adapter, &msg, 1) != 1)
-				return 0;
+				return -EIO;
 		}
 	}
 
@@ -1438,7 +1443,7 @@ init_zm_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 
 	chan = init_i2c_device_find(bios->dev, i2c_index);
 	if (!chan)
-		return 0;
+		return -ENODEV;
 
 	for (i = 0; i < count; i++) {
 		uint8_t i2c_reg = bios->data[offset + 4 + i * 2];
@@ -1453,7 +1458,7 @@ init_zm_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 			msg.len = 1;
 			msg.buf = &data;
 			if (i2c_transfer(&chan->adapter, &msg, 1) != 1)
-				return 0;
+				return -EIO;
 		}
 	}
 
@@ -1495,7 +1500,7 @@ init_zm_i2c(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 
 	chan = init_i2c_device_find(bios->dev, i2c_index);
 	if (!chan)
-		return 0;
+		return -ENODEV;
 
 	for (i = 0; i < count; i++) {
 		data[i] = bios->data[offset + 4 + i];
@@ -1509,7 +1514,7 @@ init_zm_i2c(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 		msg.len = count;
 		msg.buf = data;
 		if (i2c_transfer(&chan->adapter, &msg, 1) != 1)
-			return 0;
+			return -EIO;
 	}
 
 	return len;
@@ -1548,7 +1553,7 @@ init_tmds(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 
 	reg = get_tmds_index_reg(bios->dev, mlv);
 	if (!reg)
-		return 0;
+		return -EINVAL;
 
 	bios_wr32(bios, reg,
 		  tmdsaddr | NV_PRAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE);
@@ -1592,7 +1597,7 @@ init_zm_tmds_group(struct nvbios *bios, uint16_t offset,
 
 	reg = get_tmds_index_reg(bios->dev, mlv);
 	if (!reg)
-		return 0;
+		return -EINVAL;
 
 	for (i = 0; i < count; i++) {
 		uint8_t tmdsaddr = bios->data[offset + 3 + i * 2];
@@ -2067,7 +2072,7 @@ init_configure_mem(struct nvbios *bios, uint16_t offset,
 	uint32_t reg, data;
 
 	if (bios->major_version > 2)
-		return 0;
+		return -ENODEV;
 
 	bios_idxprt_wr(bios, NV_VIO_SRX, NV_VIO_SR_CLOCK_INDEX, bios_idxprt_rd(
 		       bios, NV_VIO_SRX, NV_VIO_SR_CLOCK_INDEX) | 0x20);
@@ -2122,7 +2127,7 @@ init_configure_clk(struct nvbios *bios, uint16_t offset,
 	int clock;
 
 	if (bios->major_version > 2)
-		return 0;
+		return -ENODEV;
 
 	clock = ROM16(bios->data[meminitoffs + 4]) * 10;
 	setPLL(bios, NV_PRAMDAC_NVPLL_COEFF, clock);
@@ -2155,7 +2160,7 @@ init_configure_preinit(struct nvbios *bios, uint16_t offset,
 	uint8_t cr3c = ((straps << 2) & 0xf0) | (straps & (1 << 6));
 
 	if (bios->major_version > 2)
-		return 0;
+		return -ENODEV;
 
 	bios_idxprt_wr(bios, NV_CIO_CRX__COLOR,
 			     NV_CIO_CRE_SCRATCH4__INDEX, cr3c);
@@ -2777,7 +2782,7 @@ init_ram_restrict_zm_reg_group(struct nvbios *bios, uint16_t offset,
 		NV_ERROR(bios->dev,
 			 "0x%04X: Zero block length - has the M table "
 			 "been parsed?\n", offset);
-		return 0;
+		return -EINVAL;
 	}
 
 	strap_ramcfg = (bios_rd32(bios, NV_PEXTDEV_BOOT_0) >> 2) & 0xf;
@@ -2961,14 +2966,14 @@ init_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 
 	if (!bios->display.output) {
 		NV_ERROR(dev, "INIT_AUXCH: no active output\n");
-		return 0;
+		return -EINVAL;
 	}
 
 	auxch = init_i2c_device_find(dev, bios->display.output->i2c_index);
 	if (!auxch) {
 		NV_ERROR(dev, "INIT_AUXCH: couldn't get auxch %d\n",
 			 bios->display.output->i2c_index);
-		return 0;
+		return -ENODEV;
 	}
 
 	if (!iexec->execute)
@@ -2981,7 +2986,7 @@ init_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 		ret = nouveau_dp_auxch(auxch, 9, addr, &data, 1);
 		if (ret) {
 			NV_ERROR(dev, "INIT_AUXCH: rd auxch fail %d\n", ret);
-			return 0;
+			return ret;
 		}
 
 		data &= bios->data[offset + 0];
@@ -2990,7 +2995,7 @@ init_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 		ret = nouveau_dp_auxch(auxch, 8, addr, &data, 1);
 		if (ret) {
 			NV_ERROR(dev, "INIT_AUXCH: wr auxch fail %d\n", ret);
-			return 0;
+			return ret;
 		}
 	}
 
@@ -3020,14 +3025,14 @@ init_zm_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 
 	if (!bios->display.output) {
 		NV_ERROR(dev, "INIT_ZM_AUXCH: no active output\n");
-		return 0;
+		return -EINVAL;
 	}
 
 	auxch = init_i2c_device_find(dev, bios->display.output->i2c_index);
 	if (!auxch) {
 		NV_ERROR(dev, "INIT_ZM_AUXCH: couldn't get auxch %d\n",
 			 bios->display.output->i2c_index);
-		return 0;
+		return -ENODEV;
 	}
 
 	if (!iexec->execute)
@@ -3038,7 +3043,7 @@ init_zm_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 		ret = nouveau_dp_auxch(auxch, 8, addr, &bios->data[offset], 1);
 		if (ret) {
 			NV_ERROR(dev, "INIT_ZM_AUXCH: wr auxch fail %d\n", ret);
-			return 0;
+			return ret;
 		}
 	}
 

From 92b9618761465d190b68519bcc6a6fbd8847cf2c Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 10 May 2010 16:59:42 +1000
Subject: [PATCH 2087/3638] drm/nouveau: display error message for any failed
 init table opcode

Some handlers don't report specific errors, but we still *really* want to
know if we failed to parse a complete init table.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 39 +++++++++++++++-----------
 1 file changed, 23 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 387ac734e9b..d8dcb362e8b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -3130,7 +3130,7 @@ parse_init_table(struct nvbios *bios, unsigned int offset,
 	 * is changed back to EXECUTE.
 	 */
 
-	int count = 0, i, res;
+	int count = 0, i, ret;
 	uint8_t id;
 
 	/*
@@ -3145,26 +3145,33 @@ parse_init_table(struct nvbios *bios, unsigned int offset,
 		for (i = 0; itbl_entry[i].name && (itbl_entry[i].id != id); i++)
 			;
 
-		if (itbl_entry[i].name) {
-			BIOSLOG(bios, "0x%04X: [ (0x%02X) - %s ]\n",
-				offset, itbl_entry[i].id, itbl_entry[i].name);
-
-			/* execute eventual command handler */
-			res = (*itbl_entry[i].handler)(bios, offset, iexec);
-			if (!res)
-				break;
-			/*
-			 * Add the offset of the current command including all data
-			 * of that command. The offset will then be pointing on the
-			 * next op code.
-			 */
-			offset += res;
-		} else {
+		if (!itbl_entry[i].name) {
 			NV_ERROR(bios->dev,
 				 "0x%04X: Init table command not found: "
 				 "0x%02X\n", offset, id);
 			return -ENOENT;
 		}
+
+		BIOSLOG(bios, "0x%04X: [ (0x%02X) - %s ]\n", offset,
+			itbl_entry[i].id, itbl_entry[i].name);
+
+		/* execute eventual command handler */
+		ret = (*itbl_entry[i].handler)(bios, offset, iexec);
+		if (ret < 0) {
+			NV_ERROR(bios->dev, "0x%04X: Failed parsing init "
+				 "table opcode: %s %d\n", offset,
+				 itbl_entry[i].name, ret);
+		}
+
+		if (ret <= 0)
+			break;
+
+		/*
+		 * Add the offset of the current command including all data
+		 * of that command. The offset will then be pointing on the
+		 * next op code.
+		 */
+		offset += ret;
 	}
 
 	if (offset >= bios->length)

From f8b0be1a75dc62d2b5f5b9a8406c97d6c5f82b7d Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 12 May 2010 14:38:25 +1000
Subject: [PATCH 2088/3638] drm/nouveau: ensure we've parsed i2c table entry
 for INIT_*I2C* handlers

We may not have parsed the entry yet if the i2c_index is for an i2c bus
that's not referenced by a DCB encoder.

This could be done oh so much more nicely, except we have to care about
prehistoric DCB tables too, and they make life painful.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 165 +++++++++++++------------
 1 file changed, 88 insertions(+), 77 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index d8dcb362e8b..b0b98d7f4ea 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -715,6 +715,83 @@ static int dcb_entry_idx_from_crtchead(struct drm_device *dev)
 	return dcb_entry;
 }
 
+static int
+read_dcb_i2c_entry(struct drm_device *dev, int dcb_version, uint8_t *i2ctable, int index, struct dcb_i2c_entry *i2c)
+{
+	uint8_t dcb_i2c_ver = dcb_version, headerlen = 0, entry_len = 4;
+	int i2c_entries = DCB_MAX_NUM_I2C_ENTRIES;
+	int recordoffset = 0, rdofs = 1, wrofs = 0;
+	uint8_t port_type = 0;
+
+	if (!i2ctable)
+		return -EINVAL;
+
+	if (dcb_version >= 0x30) {
+		if (i2ctable[0] != dcb_version) /* necessary? */
+			NV_WARN(dev,
+				"DCB I2C table version mismatch (%02X vs %02X)\n",
+				i2ctable[0], dcb_version);
+		dcb_i2c_ver = i2ctable[0];
+		headerlen = i2ctable[1];
+		if (i2ctable[2] <= DCB_MAX_NUM_I2C_ENTRIES)
+			i2c_entries = i2ctable[2];
+		else
+			NV_WARN(dev,
+				"DCB I2C table has more entries than indexable "
+				"(%d entries, max %d)\n", i2ctable[2],
+				DCB_MAX_NUM_I2C_ENTRIES);
+		entry_len = i2ctable[3];
+		/* [4] is i2c_default_indices, read in parse_dcb_table() */
+	}
+	/*
+	 * It's your own fault if you call this function on a DCB 1.1 BIOS --
+	 * the test below is for DCB 1.2
+	 */
+	if (dcb_version < 0x14) {
+		recordoffset = 2;
+		rdofs = 0;
+		wrofs = 1;
+	}
+
+	if (index == 0xf)
+		return 0;
+	if (index >= i2c_entries) {
+		NV_ERROR(dev, "DCB I2C index too big (%d >= %d)\n",
+			 index, i2ctable[2]);
+		return -ENOENT;
+	}
+	if (i2ctable[headerlen + entry_len * index + 3] == 0xff) {
+		NV_ERROR(dev, "DCB I2C entry invalid\n");
+		return -EINVAL;
+	}
+
+	if (dcb_i2c_ver >= 0x30) {
+		port_type = i2ctable[headerlen + recordoffset + 3 + entry_len * index];
+
+		/*
+		 * Fixup for chips using same address offset for read and
+		 * write.
+		 */
+		if (port_type == 4)	/* seen on C51 */
+			rdofs = wrofs = 1;
+		if (port_type >= 5)	/* G80+ */
+			rdofs = wrofs = 0;
+	}
+
+	if (dcb_i2c_ver >= 0x40) {
+		if (port_type != 5 && port_type != 6)
+			NV_WARN(dev, "DCB I2C table has port type %d\n", port_type);
+
+		i2c->entry = ROM32(i2ctable[headerlen + recordoffset + entry_len * index]);
+	}
+
+	i2c->port_type = port_type;
+	i2c->read = i2ctable[headerlen + recordoffset + rdofs + entry_len * index];
+	i2c->write = i2ctable[headerlen + recordoffset + wrofs + entry_len * index];
+
+	return 0;
+}
+
 static struct nouveau_i2c_chan *
 init_i2c_device_find(struct drm_device *dev, int i2c_index)
 {
@@ -734,6 +811,17 @@ init_i2c_device_find(struct drm_device *dev, int i2c_index)
 	if (i2c_index == 0x80)	/* g80+ */
 		i2c_index = dcb->i2c_default_indices & 0xf;
 
+	if (i2c_index > DCB_MAX_NUM_I2C_ENTRIES) {
+		NV_ERROR(dev, "invalid i2c_index 0x%x\n", i2c_index);
+		return NULL;
+	}
+
+	/* Make sure i2c table entry has been parsed, it may not
+	 * have been if this is a bus not referenced by a DCB encoder
+	 */
+	read_dcb_i2c_entry(dev, dcb->version, dcb->i2c_table,
+			   i2c_index, &dcb->i2c[i2c_index]);
+
 	return nouveau_i2c_find(dev, i2c_index);
 }
 
@@ -5090,83 +5178,6 @@ static uint16_t findstr(uint8_t *data, int n, const uint8_t *str, int len)
 	return 0;
 }
 
-static int
-read_dcb_i2c_entry(struct drm_device *dev, int dcb_version, uint8_t *i2ctable, int index, struct dcb_i2c_entry *i2c)
-{
-	uint8_t dcb_i2c_ver = dcb_version, headerlen = 0, entry_len = 4;
-	int i2c_entries = DCB_MAX_NUM_I2C_ENTRIES;
-	int recordoffset = 0, rdofs = 1, wrofs = 0;
-	uint8_t port_type = 0;
-
-	if (!i2ctable)
-		return -EINVAL;
-
-	if (dcb_version >= 0x30) {
-		if (i2ctable[0] != dcb_version) /* necessary? */
-			NV_WARN(dev,
-				"DCB I2C table version mismatch (%02X vs %02X)\n",
-				i2ctable[0], dcb_version);
-		dcb_i2c_ver = i2ctable[0];
-		headerlen = i2ctable[1];
-		if (i2ctable[2] <= DCB_MAX_NUM_I2C_ENTRIES)
-			i2c_entries = i2ctable[2];
-		else
-			NV_WARN(dev,
-				"DCB I2C table has more entries than indexable "
-				"(%d entries, max %d)\n", i2ctable[2],
-				DCB_MAX_NUM_I2C_ENTRIES);
-		entry_len = i2ctable[3];
-		/* [4] is i2c_default_indices, read in parse_dcb_table() */
-	}
-	/*
-	 * It's your own fault if you call this function on a DCB 1.1 BIOS --
-	 * the test below is for DCB 1.2
-	 */
-	if (dcb_version < 0x14) {
-		recordoffset = 2;
-		rdofs = 0;
-		wrofs = 1;
-	}
-
-	if (index == 0xf)
-		return 0;
-	if (index >= i2c_entries) {
-		NV_ERROR(dev, "DCB I2C index too big (%d >= %d)\n",
-			 index, i2ctable[2]);
-		return -ENOENT;
-	}
-	if (i2ctable[headerlen + entry_len * index + 3] == 0xff) {
-		NV_ERROR(dev, "DCB I2C entry invalid\n");
-		return -EINVAL;
-	}
-
-	if (dcb_i2c_ver >= 0x30) {
-		port_type = i2ctable[headerlen + recordoffset + 3 + entry_len * index];
-
-		/*
-		 * Fixup for chips using same address offset for read and
-		 * write.
-		 */
-		if (port_type == 4)	/* seen on C51 */
-			rdofs = wrofs = 1;
-		if (port_type >= 5)	/* G80+ */
-			rdofs = wrofs = 0;
-	}
-
-	if (dcb_i2c_ver >= 0x40) {
-		if (port_type != 5 && port_type != 6)
-			NV_WARN(dev, "DCB I2C table has port type %d\n", port_type);
-
-		i2c->entry = ROM32(i2ctable[headerlen + recordoffset + entry_len * index]);
-	}
-
-	i2c->port_type = port_type;
-	i2c->read = i2ctable[headerlen + recordoffset + rdofs + entry_len * index];
-	i2c->write = i2ctable[headerlen + recordoffset + wrofs + entry_len * index];
-
-	return 0;
-}
-
 static struct dcb_gpio_entry *
 new_gpio_entry(struct nvbios *bios)
 {

From 04f542c07e9376c732c72b40de7cdc71801f8cd5 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 12 May 2010 14:45:04 +1000
Subject: [PATCH 2089/3638] drm/nouveau: support init table i2c device
 identifier 0x81

It appears to be meant to reference the second "default index".

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index b0b98d7f4ea..327f6f34d78 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -810,6 +810,9 @@ init_i2c_device_find(struct drm_device *dev, int i2c_index)
 	}
 	if (i2c_index == 0x80)	/* g80+ */
 		i2c_index = dcb->i2c_default_indices & 0xf;
+	else
+	if (i2c_index == 0x81)
+		i2c_index = (dcb->i2c_default_indices & 0xf0) >> 4;
 
 	if (i2c_index > DCB_MAX_NUM_I2C_ENTRIES) {
 		NV_ERROR(dev, "invalid i2c_index 0x%x\n", i2c_index);

From 893887ed75cacbfe1a855c63659838e0261d17e8 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 12 May 2010 16:30:50 +1000
Subject: [PATCH 2090/3638] drm/nouveau: fix i2c-related init table handlers

Mutliple issues.  INIT_ZM_I2C_BYTE/INIT_I2C_BYTE didn't even try and
use the register value, and all the handlers were using the wrong
slave address.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 75 +++++++++++++-------------
 1 file changed, 37 insertions(+), 38 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 327f6f34d78..e7e69ccce5c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -1448,12 +1448,11 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 	 */
 
 	uint8_t i2c_index = bios->data[offset + 1];
-	uint8_t i2c_address = bios->data[offset + 2];
+	uint8_t i2c_address = bios->data[offset + 2] >> 1;
 	uint8_t count = bios->data[offset + 3];
-	int len = 4 + count * 3;
 	struct nouveau_i2c_chan *chan;
-	struct i2c_msg msg;
-	int i;
+	int len = 4 + count * 3;
+	int ret, i;
 
 	if (!iexec->execute)
 		return len;
@@ -1467,32 +1466,31 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 		return -ENODEV;
 
 	for (i = 0; i < count; i++) {
-		uint8_t i2c_reg = bios->data[offset + 4 + i * 3];
+		uint8_t reg = bios->data[offset + 4 + i * 3];
 		uint8_t mask = bios->data[offset + 5 + i * 3];
 		uint8_t data = bios->data[offset + 6 + i * 3];
-		uint8_t value;
+		union i2c_smbus_data val;
 
-		msg.addr = i2c_address;
-		msg.flags = I2C_M_RD;
-		msg.len = 1;
-		msg.buf = &value;
-		if (i2c_transfer(&chan->adapter, &msg, 1) != 1)
-			return -EIO;
+		ret = i2c_smbus_xfer(&chan->adapter, i2c_address, 0,
+				     I2C_SMBUS_READ, reg,
+				     I2C_SMBUS_BYTE_DATA, &val);
+		if (ret < 0)
+			return ret;
 
 		BIOSLOG(bios, "0x%04X: I2CReg: 0x%02X, Value: 0x%02X, "
 			      "Mask: 0x%02X, Data: 0x%02X\n",
-			offset, i2c_reg, value, mask, data);
+			offset, reg, val.byte, mask, data);
 
-		value = (value & mask) | data;
+		if (!bios->execute)
+			continue;
 
-		if (bios->execute) {
-			msg.addr = i2c_address;
-			msg.flags = 0;
-			msg.len = 1;
-			msg.buf = &value;
-			if (i2c_transfer(&chan->adapter, &msg, 1) != 1)
-				return -EIO;
-		}
+		val.byte &= mask;
+		val.byte |= data;
+		ret = i2c_smbus_xfer(&chan->adapter, i2c_address, 0,
+				     I2C_SMBUS_WRITE, reg,
+				     I2C_SMBUS_BYTE_DATA, &val);
+		if (ret < 0)
+			return ret;
 	}
 
 	return len;
@@ -1518,12 +1516,11 @@ init_zm_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 	 */
 
 	uint8_t i2c_index = bios->data[offset + 1];
-	uint8_t i2c_address = bios->data[offset + 2];
+	uint8_t i2c_address = bios->data[offset + 2] >> 1;
 	uint8_t count = bios->data[offset + 3];
-	int len = 4 + count * 2;
 	struct nouveau_i2c_chan *chan;
-	struct i2c_msg msg;
-	int i;
+	int len = 4 + count * 2;
+	int ret, i;
 
 	if (!iexec->execute)
 		return len;
@@ -1537,20 +1534,22 @@ init_zm_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 		return -ENODEV;
 
 	for (i = 0; i < count; i++) {
-		uint8_t i2c_reg = bios->data[offset + 4 + i * 2];
-		uint8_t data = bios->data[offset + 5 + i * 2];
+		uint8_t reg = bios->data[offset + 4 + i * 2];
+		union i2c_smbus_data val;
+
+		val.byte = bios->data[offset + 5 + i * 2];
 
 		BIOSLOG(bios, "0x%04X: I2CReg: 0x%02X, Data: 0x%02X\n",
-			offset, i2c_reg, data);
+			offset, reg, val.byte);
 
-		if (bios->execute) {
-			msg.addr = i2c_address;
-			msg.flags = 0;
-			msg.len = 1;
-			msg.buf = &data;
-			if (i2c_transfer(&chan->adapter, &msg, 1) != 1)
-				return -EIO;
-		}
+		if (!bios->execute)
+			continue;
+
+		ret = i2c_smbus_xfer(&chan->adapter, i2c_address, 0,
+				     I2C_SMBUS_WRITE, reg,
+				     I2C_SMBUS_BYTE_DATA, &val);
+		if (ret < 0)
+			return ret;
 	}
 
 	return len;
@@ -1574,7 +1573,7 @@ init_zm_i2c(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 	 */
 
 	uint8_t i2c_index = bios->data[offset + 1];
-	uint8_t i2c_address = bios->data[offset + 2];
+	uint8_t i2c_address = bios->data[offset + 2] >> 1;
 	uint8_t count = bios->data[offset + 3];
 	int len = 4 + count;
 	struct nouveau_i2c_chan *chan;

From b2be05273a1744d175bf4b67f6665637bb9ac7a8 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 3 Apr 2010 19:34:56 +0100
Subject: [PATCH 2091/3638] panic: Allow warnings to set different taint flags

WARN() is used in some places to report firmware or hardware bugs that
are then worked-around.  These bugs do not affect the stability of the
kernel and should not set the flag for TAINT_WARN.  To allow for this,
add WARN_TAINT() and WARN_TAINT_ONCE() macros that take a taint number
as argument.

Architectures that implement warnings using trap instructions instead
of calls to warn_slowpath_*() now implement __WARN_TAINT(taint)
instead of __WARN().

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Helge Deller <deller@gmx.de>
Tested-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 Documentation/oops-tracing.txt |  1 +
 arch/parisc/include/asm/bug.h  |  8 ++++----
 arch/powerpc/include/asm/bug.h |  6 +++---
 arch/s390/include/asm/bug.h    |  8 ++++----
 arch/sh/include/asm/bug.h      |  4 ++--
 include/asm-generic/bug.h      | 34 ++++++++++++++++++++++++++++++++--
 kernel/panic.c                 | 24 ++++++++++++++++++++----
 lib/bug.c                      |  2 +-
 8 files changed, 67 insertions(+), 20 deletions(-)

diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt
index c10c022b911..069fab3ea4d 100644
--- a/Documentation/oops-tracing.txt
+++ b/Documentation/oops-tracing.txt
@@ -256,6 +256,7 @@ characters, each representing a particular tainted value.
   9: 'A' if the ACPI table has been overridden.
 
  10: 'W' if a warning has previously been issued by the kernel.
+     (Though some warnings may set more specific taint flags.)
 
  11: 'C' if a staging driver has been loaded.
 
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index 75e46c557a1..72cfdb0cfdd 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -44,7 +44,7 @@
 #endif
 
 #ifdef CONFIG_DEBUG_BUGVERBOSE
-#define __WARN()							\
+#define __WARN_TAINT(taint)						\
 	do {								\
 		asm volatile("\n"					\
 			     "1:\t" PARISC_BUG_BREAK_ASM "\n"		\
@@ -54,11 +54,11 @@
 			     "\t.org 2b+%c3\n"				\
 			     "\t.popsection"				\
 			     : : "i" (__FILE__), "i" (__LINE__),	\
-			     "i" (BUGFLAG_WARNING),			\
+			     "i" (BUGFLAG_TAINT(taint)), 		\
 			     "i" (sizeof(struct bug_entry)) );		\
 	} while(0)
 #else
-#define __WARN()							\
+#define __WARN_TAINT(taint)						\
 	do {								\
 		asm volatile("\n"					\
 			     "1:\t" PARISC_BUG_BREAK_ASM "\n"		\
@@ -67,7 +67,7 @@
 			     "\t.short %c0\n"				\
 			     "\t.org 2b+%c1\n"				\
 			     "\t.popsection"				\
-			     : : "i" (BUGFLAG_WARNING),			\
+			     : : "i" (BUGFLAG_TAINT(taint)),		\
 			     "i" (sizeof(struct bug_entry)) );		\
 	} while(0)
 #endif
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index 2c15212e170..065c590c991 100644
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -85,12 +85,12 @@
 	}							\
 } while (0)
 
-#define __WARN() do {						\
+#define __WARN_TAINT(taint) do {				\
 	__asm__ __volatile__(					\
 		"1:	twi 31,0,0\n"				\
 		_EMIT_BUG_ENTRY					\
 		: : "i" (__FILE__), "i" (__LINE__),		\
-		  "i" (BUGFLAG_WARNING),			\
+		  "i" (BUGFLAG_TAINT(taint)),			\
 		  "i" (sizeof(struct bug_entry)));		\
 } while (0)
 
@@ -104,7 +104,7 @@
 		"1:	"PPC_TLNEI"	%4,0\n"			\
 		_EMIT_BUG_ENTRY					\
 		: : "i" (__FILE__), "i" (__LINE__),		\
-		  "i" (BUGFLAG_WARNING),			\
+		  "i" (BUGFLAG_TAINT(TAINT_WARN)),		\
 		  "i" (sizeof(struct bug_entry)),		\
 		  "r" (__ret_warn_on));				\
 	}							\
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index 9beeb9db9b2..bf90d1fd97a 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -46,18 +46,18 @@
 	unreachable();					\
 } while (0)
 
-#define __WARN() do {					\
-	__EMIT_BUG(BUGFLAG_WARNING);			\
+#define __WARN_TAINT(taint) do {			\
+	__EMIT_BUG(BUGFLAG_TAINT(taint));		\
 } while (0)
 
 #define WARN_ON(x) ({					\
 	int __ret_warn_on = !!(x);			\
 	if (__builtin_constant_p(__ret_warn_on)) {	\
 		if (__ret_warn_on)			\
-			__EMIT_BUG(BUGFLAG_WARNING);	\
+			__WARN();			\
 	} else {					\
 		if (unlikely(__ret_warn_on))		\
-			__EMIT_BUG(BUGFLAG_WARNING);	\
+			__WARN();			\
 	}						\
 	unlikely(__ret_warn_on);			\
 })
diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h
index d02c01b3e6b..6323f864d11 100644
--- a/arch/sh/include/asm/bug.h
+++ b/arch/sh/include/asm/bug.h
@@ -48,7 +48,7 @@ do {							\
 		   "i" (sizeof(struct bug_entry)));	\
 } while (0)
 
-#define __WARN()					\
+#define __WARN_TAINT(taint)				\
 do {							\
 	__asm__ __volatile__ (				\
 		"1:\t.short %O0\n"			\
@@ -57,7 +57,7 @@ do {							\
 		 : "n" (TRAPA_BUG_OPCODE),		\
 		   "i" (__FILE__),			\
 		   "i" (__LINE__),			\
-		   "i" (BUGFLAG_WARNING),		\
+		   "i" (BUGFLAG_TAINT(taint)),		\
 		   "i" (sizeof(struct bug_entry)));	\
 } while (0)
 
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 18c435d7c08..c2c9ba032d4 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -25,7 +25,10 @@ struct bug_entry {
 };
 #endif		/* __ASSEMBLY__ */
 
-#define BUGFLAG_WARNING	(1<<0)
+#define BUGFLAG_WARNING		(1 << 0)
+#define BUGFLAG_TAINT(taint)	(BUGFLAG_WARNING | ((taint) << 8))
+#define BUG_GET_TAINT(bug)	((bug)->flags >> 8)
+
 #endif	/* CONFIG_GENERIC_BUG */
 
 /*
@@ -56,17 +59,25 @@ struct bug_entry {
  * appear at runtime.  Use the versions with printk format strings
  * to provide better diagnostics.
  */
-#ifndef __WARN
+#ifndef __WARN_TAINT
 #ifndef __ASSEMBLY__
 extern void warn_slowpath_fmt(const char *file, const int line,
 		const char *fmt, ...) __attribute__((format(printf, 3, 4)));
+extern void warn_slowpath_fmt_taint(const char *file, const int line,
+				    unsigned taint, const char *fmt, ...)
+	__attribute__((format(printf, 4, 5)));
 extern void warn_slowpath_null(const char *file, const int line);
 #define WANT_WARN_ON_SLOWPATH
 #endif
 #define __WARN()		warn_slowpath_null(__FILE__, __LINE__)
 #define __WARN_printf(arg...)	warn_slowpath_fmt(__FILE__, __LINE__, arg)
+#define __WARN_printf_taint(taint, arg...)				\
+	warn_slowpath_fmt_taint(__FILE__, __LINE__, taint, arg)
 #else
+#define __WARN()		__WARN_TAINT(TAINT_WARN)
 #define __WARN_printf(arg...)	do { printk(arg); __WARN(); } while (0)
+#define __WARN_printf_taint(taint, arg...)				\
+	do { printk(arg); __WARN_TAINT(taint); } while (0)
 #endif
 
 #ifndef WARN_ON
@@ -87,6 +98,13 @@ extern void warn_slowpath_null(const char *file, const int line);
 })
 #endif
 
+#define WARN_TAINT(condition, taint, format...) ({			\
+	int __ret_warn_on = !!(condition);				\
+	if (unlikely(__ret_warn_on))					\
+		__WARN_printf_taint(taint, format);			\
+	unlikely(__ret_warn_on);					\
+})
+
 #else /* !CONFIG_BUG */
 #ifndef HAVE_ARCH_BUG
 #define BUG() do {} while(0)
@@ -110,6 +128,8 @@ extern void warn_slowpath_null(const char *file, const int line);
 })
 #endif
 
+#define WARN_TAINT(condition, taint, format...) WARN_ON(condition)
+
 #endif
 
 #define WARN_ON_ONCE(condition)	({				\
@@ -132,6 +152,16 @@ extern void warn_slowpath_null(const char *file, const int line);
 	unlikely(__ret_warn_once);				\
 })
 
+#define WARN_TAINT_ONCE(condition, taint, format...)	({	\
+	static bool __warned;					\
+	int __ret_warn_once = !!(condition);			\
+								\
+	if (unlikely(__ret_warn_once))				\
+		if (WARN_TAINT(!__warned, taint, format))	\
+			__warned = true;			\
+	unlikely(__ret_warn_once);				\
+})
+
 #define WARN_ON_RATELIMIT(condition, state)			\
 		WARN_ON((condition) && __ratelimit(state))
 
diff --git a/kernel/panic.c b/kernel/panic.c
index 13d966b4c14..8b821bce66e 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -365,7 +365,8 @@ struct slowpath_args {
 	va_list args;
 };
 
-static void warn_slowpath_common(const char *file, int line, void *caller, struct slowpath_args *args)
+static void warn_slowpath_common(const char *file, int line, void *caller,
+				 unsigned taint, struct slowpath_args *args)
 {
 	const char *board;
 
@@ -381,7 +382,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller, struc
 	print_modules();
 	dump_stack();
 	print_oops_end_marker();
-	add_taint(TAINT_WARN);
+	add_taint(taint);
 }
 
 void warn_slowpath_fmt(const char *file, int line, const char *fmt, ...)
@@ -390,14 +391,29 @@ void warn_slowpath_fmt(const char *file, int line, const char *fmt, ...)
 
 	args.fmt = fmt;
 	va_start(args.args, fmt);
-	warn_slowpath_common(file, line, __builtin_return_address(0), &args);
+	warn_slowpath_common(file, line, __builtin_return_address(0),
+			     TAINT_WARN, &args);
 	va_end(args.args);
 }
 EXPORT_SYMBOL(warn_slowpath_fmt);
 
+void warn_slowpath_fmt_taint(const char *file, int line,
+			     unsigned taint, const char *fmt, ...)
+{
+	struct slowpath_args args;
+
+	args.fmt = fmt;
+	va_start(args.args, fmt);
+	warn_slowpath_common(file, line, __builtin_return_address(0),
+			     taint, &args);
+	va_end(args.args);
+}
+EXPORT_SYMBOL(warn_slowpath_fmt_taint);
+
 void warn_slowpath_null(const char *file, int line)
 {
-	warn_slowpath_common(file, line, __builtin_return_address(0), NULL);
+	warn_slowpath_common(file, line, __builtin_return_address(0),
+			     TAINT_WARN, NULL);
 }
 EXPORT_SYMBOL(warn_slowpath_null);
 #endif
diff --git a/lib/bug.c b/lib/bug.c
index 300e41afbf9..f13daf43521 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -165,7 +165,7 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
 			       (void *)bugaddr);
 
 		show_regs(regs);
-		add_taint(TAINT_WARN);
+		add_taint(BUG_GET_TAINT(bug));
 		return BUG_TRAP_TYPE_WARN;
 	}
 

From 92946bc72f2e74c3281b7fc12be9704d455fb3ed Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 3 Apr 2010 19:36:42 +0100
Subject: [PATCH 2092/3638] panic: Add taint flag TAINT_FIRMWARE_WORKAROUND
 ('I')

This taint flag will initially be used when warning about invalid ACPI
DMAR tables.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 Documentation/oops-tracing.txt | 3 +++
 include/linux/kernel.h         | 1 +
 kernel/panic.c                 | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt
index 069fab3ea4d..6fe9001b926 100644
--- a/Documentation/oops-tracing.txt
+++ b/Documentation/oops-tracing.txt
@@ -260,6 +260,9 @@ characters, each representing a particular tainted value.
 
  11: 'C' if a staging driver has been loaded.
 
+ 12: 'I' if the kernel is working around a severe bug in the platform
+     firmware (BIOS or similar).
+
 The primary reason for the 'Tainted: ' string is to tell kernel
 debuggers if this is a clean kernel or if anything unusual has
 occurred.  Tainting is permanent: even if an offending module is
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 7f070746336..7f2f7b34dd0 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -344,6 +344,7 @@ extern enum system_states {
 #define TAINT_OVERRIDDEN_ACPI_TABLE	8
 #define TAINT_WARN			9
 #define TAINT_CRAP			10
+#define TAINT_FIRMWARE_WORKAROUND	11
 
 extern void dump_stack(void) __cold;
 
diff --git a/kernel/panic.c b/kernel/panic.c
index 8b821bce66e..dbe13dbb057 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -178,6 +178,7 @@ static const struct tnt tnts[] = {
 	{ TAINT_OVERRIDDEN_ACPI_TABLE,	'A', ' ' },
 	{ TAINT_WARN,			'W', ' ' },
 	{ TAINT_CRAP,			'C', ' ' },
+	{ TAINT_FIRMWARE_WORKAROUND,	'I', ' ' },
 };
 
 /**
@@ -194,6 +195,7 @@ static const struct tnt tnts[] = {
  *  'A' - ACPI table overridden.
  *  'W' - Taint on warning.
  *  'C' - modules from drivers/staging are loaded.
+ *  'I' - Working around severe firmware bug.
  *
  *	The string is overwritten by the next call to print_tainted().
  */

From 3a8663ee6171e1e61f5c139ed65aa0a769380f00 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 3 Apr 2010 19:37:23 +0100
Subject: [PATCH 2093/3638] intel-iommu: Combine the BIOS DMAR table warning
 messages

We have nearly the same code for warnings repeated four times.  Move
it into a separate function.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c | 48 ++++++++++++++--------------------------------
 1 file changed, 14 insertions(+), 34 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 7771b2dd597..1959cdadad5 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -618,7 +618,15 @@ int __init dmar_table_init(void)
 	return 0;
 }
 
-static int bios_warned;
+static void warn_invalid_dmar(u64 addr, const char *message)
+{
+	WARN_ONCE(1, "Your BIOS is broken; DMAR reported at address %llx%s!\n"
+		  "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
+		  addr, message,
+		  dmi_get_system_info(DMI_BIOS_VENDOR),
+		  dmi_get_system_info(DMI_BIOS_VERSION),
+		  dmi_get_system_info(DMI_PRODUCT_VERSION));
+}
 
 int __init check_zero_address(void)
 {
@@ -644,13 +652,7 @@ int __init check_zero_address(void)
 
 			drhd = (void *)entry_header;
 			if (!drhd->address) {
-				/* Promote an attitude of violence to a BIOS engineer today */
-				WARN(1, "Your BIOS is broken; DMAR reported at address zero!\n"
-				     "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
-				     dmi_get_system_info(DMI_BIOS_VENDOR),
-				     dmi_get_system_info(DMI_BIOS_VERSION),
-				     dmi_get_system_info(DMI_PRODUCT_VERSION));
-				bios_warned = 1;
+				warn_invalid_dmar(0, "");
 				goto failed;
 			}
 
@@ -663,14 +665,8 @@ int __init check_zero_address(void)
 			ecap = dmar_readq(addr + DMAR_ECAP_REG);
 			early_iounmap(addr, VTD_PAGE_SIZE);
 			if (cap == (uint64_t)-1 && ecap == (uint64_t)-1) {
-				/* Promote an attitude of violence to a BIOS engineer today */
-				WARN(1, "Your BIOS is broken; DMAR reported at address %llx returns all ones!\n"
-				     "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
-				      drhd->address,
-				      dmi_get_system_info(DMI_BIOS_VENDOR),
-				      dmi_get_system_info(DMI_BIOS_VERSION),
-				      dmi_get_system_info(DMI_PRODUCT_VERSION));
-				bios_warned = 1;
+				warn_invalid_dmar(drhd->address,
+						  " returns all ones");
 				goto failed;
 			}
 		}
@@ -735,14 +731,7 @@ int alloc_iommu(struct dmar_drhd_unit *drhd)
 	int msagaw = 0;
 
 	if (!drhd->reg_base_addr) {
-		if (!bios_warned) {
-			WARN(1, "Your BIOS is broken; DMAR reported at address zero!\n"
-			     "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
-			     dmi_get_system_info(DMI_BIOS_VENDOR),
-			     dmi_get_system_info(DMI_BIOS_VERSION),
-			     dmi_get_system_info(DMI_PRODUCT_VERSION));
-			bios_warned = 1;
-		}
+		warn_invalid_dmar(0, "");
 		return -EINVAL;
 	}
 
@@ -762,16 +751,7 @@ int alloc_iommu(struct dmar_drhd_unit *drhd)
 	iommu->ecap = dmar_readq(iommu->reg + DMAR_ECAP_REG);
 
 	if (iommu->cap == (uint64_t)-1 && iommu->ecap == (uint64_t)-1) {
-		if (!bios_warned) {
-			/* Promote an attitude of violence to a BIOS engineer today */
-			WARN(1, "Your BIOS is broken; DMAR reported at address %llx returns all ones!\n"
-			     "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
-			     drhd->reg_base_addr,
-			     dmi_get_system_info(DMI_BIOS_VENDOR),
-			     dmi_get_system_info(DMI_BIOS_VERSION),
-			     dmi_get_system_info(DMI_PRODUCT_VERSION));
-			bios_warned = 1;
-		}
+		warn_invalid_dmar(drhd->reg_base_addr, " returns all ones");
 		goto err_unmap;
 	}
 

From fd0c8894893cba722bdea12de25b49f980795d06 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 3 Apr 2010 19:38:43 +0100
Subject: [PATCH 2094/3638] intel-iommu: Set a more specific taint flag for
 invalid BIOS DMAR tables

We now know how to deal with these tables so that they are harmless.
Set TAINT_FIRMWARE_WORKAROUND instead of the default TAINT_WARN.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 1959cdadad5..f4c51709d13 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -360,12 +360,14 @@ dmar_parse_one_rhsa(struct acpi_dmar_header *header)
 			return 0;
 		}
 	}
-	WARN(1, "Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n"
-	     "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
-	     drhd->reg_base_addr,
-	     dmi_get_system_info(DMI_BIOS_VENDOR),
-	     dmi_get_system_info(DMI_BIOS_VERSION),
-	     dmi_get_system_info(DMI_PRODUCT_VERSION));
+	WARN_TAINT(
+		1, TAINT_FIRMWARE_WORKAROUND,
+		"Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n"
+		"BIOS vendor: %s; Ver: %s; Product Version: %s\n",
+		drhd->reg_base_addr,
+		dmi_get_system_info(DMI_BIOS_VENDOR),
+		dmi_get_system_info(DMI_BIOS_VERSION),
+		dmi_get_system_info(DMI_PRODUCT_VERSION));
 
 	return 0;
 }
@@ -620,12 +622,14 @@ int __init dmar_table_init(void)
 
 static void warn_invalid_dmar(u64 addr, const char *message)
 {
-	WARN_ONCE(1, "Your BIOS is broken; DMAR reported at address %llx%s!\n"
-		  "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
-		  addr, message,
-		  dmi_get_system_info(DMI_BIOS_VENDOR),
-		  dmi_get_system_info(DMI_BIOS_VERSION),
-		  dmi_get_system_info(DMI_PRODUCT_VERSION));
+	WARN_TAINT_ONCE(
+		1, TAINT_FIRMWARE_WORKAROUND,
+		"Your BIOS is broken; DMAR reported at address %llx%s!\n"
+		"BIOS vendor: %s; Ver: %s; Product Version: %s\n",
+		addr, message,
+		dmi_get_system_info(DMI_BIOS_VENDOR),
+		dmi_get_system_info(DMI_BIOS_VERSION),
+		dmi_get_system_info(DMI_PRODUCT_VERSION));
 }
 
 int __init check_zero_address(void)

From 623aab896ee1a532cb540bcf0d5ae8a88275afd5 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Wed, 19 May 2010 01:19:17 +0400
Subject: [PATCH 2095/3638] perf, x86: P4 PMU -- do a real check for ESCR
 address being in hash

To prevent from clashes in future code modifications
do a real check for ESCR address being in hash. At
moment the callers are known to pass sane values but
better to be on a safe side.

And comment fix.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
CC: Lin Ming <ming.m.lin@intel.com>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>
CC: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20100518212439.004503600@openvz.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event_p4.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 87e1803e67a..5f8e36d6279 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -670,7 +670,7 @@ static void p4_pmu_swap_config_ts(struct hw_perf_event *hwc, int cpu)
 
 /*
  * ESCR address hashing is tricky, ESCRs are not sequential
- * in memory but all starts from MSR_P4_BSU_ESCR0 (0x03e0) and
+ * in memory but all starts from MSR_P4_BSU_ESCR0 (0x03a0) and
  * the metric between any ESCRs is laid in range [0xa0,0xe1]
  *
  * so we make ~70% filled hashtable
@@ -735,8 +735,9 @@ static int p4_get_escr_idx(unsigned int addr)
 {
 	unsigned int idx = P4_ESCR_MSR_IDX(addr);
 
-	if (unlikely(idx >= P4_ESCR_MSR_TABLE_SIZE ||
-			!p4_escr_table[idx])) {
+	if (unlikely(idx >= P4_ESCR_MSR_TABLE_SIZE	||
+			!p4_escr_table[idx]		||
+			p4_escr_table[idx] != addr)) {
 		WARN_ONCE(1, "P4 PMU: Wrong address passed: %x\n", addr);
 		return -1;
 	}

From 9d36dfcf219e2ba1f1d169a7f92dcf2cbd4e05f0 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Wed, 19 May 2010 01:19:18 +0400
Subject: [PATCH 2096/3638] perf, x86: P4_pmu_schedule_events -- use
 smp_processor_id instead of raw_

This snippet somehow escaped the commit:

 | commit 137351e0feeb9f25d99488ee1afc1c79f5499a9a
 | Author: Cyrill Gorcunov <gorcunov@openvz.org>
 | Date:   Sat May 8 15:25:52 2010 +0400
 |
 |    x86, perf: P4 PMU -- protect sensible procedures from preemption

so bring it eventually back. It helps to catch
preemption issue (if there will be, rule of thumb --
don't use raw_ if you can).

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Lin Ming <ming.m.lin@intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20100518212439.167259349@openvz.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event_p4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 5f8e36d6279..ae85d69644d 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -763,7 +763,7 @@ static int p4_pmu_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign
 {
 	unsigned long used_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
 	unsigned long escr_mask[BITS_TO_LONGS(P4_ESCR_MSR_TABLE_SIZE)];
-	int cpu = raw_smp_processor_id();
+	int cpu = smp_processor_id();
 	struct hw_perf_event *hwc;
 	struct p4_event_bind *bind;
 	unsigned int i, thread, num;

From ce7f15452cc1dc1eca795542367871a07f37aa79 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Wed, 19 May 2010 01:19:19 +0400
Subject: [PATCH 2097/3638] perf, x86: P4 PMU -- add missing bit in CCCR mask

Should be there for the sake of RAW events.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
CC: Lin Ming <ming.m.lin@intel.com>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>
CC: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20100518212439.354345151@openvz.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/perf_event_p4.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h
index b05400a542f..64a8ebff06f 100644
--- a/arch/x86/include/asm/perf_event_p4.h
+++ b/arch/x86/include/asm/perf_event_p4.h
@@ -89,7 +89,8 @@
 	P4_CCCR_ENABLE)
 
 /* HT mask */
-#define P4_CCCR_MASK_HT	(P4_CCCR_MASK | P4_CCCR_THREAD_ANY)
+#define P4_CCCR_MASK_HT				\
+	(P4_CCCR_MASK | P4_CCCR_OVF_PMI_T1 | P4_CCCR_THREAD_ANY)
 
 #define P4_GEN_ESCR_EMASK(class, name, bit)	\
 	class##__##name = ((1 << bit) << P4_ESCR_EVENTMASK_SHIFT)

From 90def62df67b423c4c976bc30eccb5957b7befda Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 19 May 2010 17:33:38 -0600
Subject: [PATCH 2098/3638] isapnp: move definitions to mod_devicetable.h so
 file2alias can reach them.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 include/linux/isapnp.h          | 8 +-------
 include/linux/mod_devicetable.h | 7 +++++++
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/include/linux/isapnp.h b/include/linux/isapnp.h
index cd5a269fdb5..e2d28b026a8 100644
--- a/include/linux/isapnp.h
+++ b/include/linux/isapnp.h
@@ -43,10 +43,10 @@
  */
 
 #ifdef __KERNEL__
+#include <linux/mod_devicetable.h>
 
 #define DEVICE_COUNT_COMPATIBLE 4
 
-#define ISAPNP_ANY_ID		0xffff
 #define ISAPNP_CARD_DEVS	8
 
 #define ISAPNP_CARD_ID(_va, _vb, _vc, _device) \
@@ -74,12 +74,6 @@ struct isapnp_card_id {
 #define ISAPNP_DEVICE_SINGLE_END \
 		.card_vendor = 0, .card_device = 0
 
-struct isapnp_device_id {
-	unsigned short card_vendor, card_device;
-	unsigned short vendor, function;
-	unsigned long driver_data;	/* data private to the driver */
-};
-
 #if defined(CONFIG_ISAPNP) || (defined(CONFIG_ISAPNP_MODULE) && defined(MODULE))
 
 #define __ISAPNP__
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 56fde4364e4..d7707004b4b 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -483,4 +483,11 @@ struct zorro_device_id {
 
 #define ZORRO_DEVICE_MODALIAS_FMT	"zorro:i%08X"
 
+#define ISAPNP_ANY_ID		0xffff
+struct isapnp_device_id {
+	unsigned short card_vendor, card_device;
+	unsigned short vendor, function;
+	kernel_ulong_t driver_data;	/* data private to the driver */
+};
+
 #endif /* LINUX_MOD_DEVICETABLE_H */

From 031ffd1711bd8bf334ebcbe8ebe34845e6d4678f Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 19 May 2010 17:33:38 -0600
Subject: [PATCH 2099/3638] hisax_fcpcipnp: fix broken isapnp device table.

Found that drivers/isdn/hisax/hisax_fcpcipnp.c has broken pnp device table -
wrong type (isapnp instead of pnp) and also ending record missing.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split patch)
---
 drivers/isdn/hisax/hisax_fcpcipnp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.c b/drivers/isdn/hisax/hisax_fcpcipnp.c
index 1925118122f..8b0a7d86b30 100644
--- a/drivers/isdn/hisax/hisax_fcpcipnp.c
+++ b/drivers/isdn/hisax/hisax_fcpcipnp.c
@@ -74,9 +74,10 @@ static struct pnp_device_id fcpnp_ids[] __devinitdata = {
 		.id		= "AVM0900",
 		.driver_data	= (unsigned long) "Fritz!Card PnP",
 	},
+	{ .id = "" }
 };
 
-MODULE_DEVICE_TABLE(isapnp, fcpnp_ids);
+MODULE_DEVICE_TABLE(pnp, fcpnp_ids);
 #endif
 
 static int protocol = 2;       /* EURO-ISDN Default */

From fedb3d27d9e8606b3867b5ae49d6258458a07a72 Mon Sep 17 00:00:00 2001
From: Ondrej Zary <linux@rainbow-software.org>
Date: Fri, 18 Dec 2009 20:52:39 +0100
Subject: [PATCH 2100/3638] MODULE_DEVICE_TABLE(isapnp, ...) does nothing

On Monday 23 November 2009 04:29:53 Rusty Russell wrote:
> On Mon, 23 Nov 2009 07:31:57 am Ondrej Zary wrote:
> > The problem is that
> > scripts/mod/file2alias.c simply ignores isapnp.
>
> AFAICT it always has, and noone has complained until now.  Perhaps
> something was still reading /lib/modules/`uname -r`/modules.isapnpmap?

The patch below works fine (at least with Debian). It needs your first
patch that moves the definitions to mod_devicetable.h. Verified that
aliases for these modules are generated correctly:

drivers/media/radio/radio-sf16fmi.c
drivers/net/ne.c
drivers/net/3c515.c
drivers/net/smc-ultra.c
drivers/pcmcia/i82365.c
drivers/scsi/aha1542.c
drivers/scsi/aha152x.c
drivers/scsi/sym53c416.c
drivers/scsi/g_NCR5380.c

Tested with RTL8019AS (ne), AVA-1505AE (aha152x) and dtc436e (g_NCR5380)
cards - they now work automatically.

Generate pnp:d aliases for isapnp_device_tables. This allows udev to load
these modules automatically.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 scripts/mod/file2alias.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index df90f31d14b..808c20d81f8 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -806,6 +806,19 @@ static int do_zorro_entry(const char *filename, struct zorro_device_id *id,
 	return 1;
 }
 
+/* looks like: "pnp:dD" */
+static int do_isapnp_entry(const char *filename,
+			   struct isapnp_device_id *id, char *alias)
+{
+	sprintf(alias, "pnp:d%c%c%c%x%x%x%x*",
+		'A' + ((id->vendor >> 2) & 0x3f) - 1,
+		'A' + (((id->vendor & 3) << 3) | ((id->vendor >> 13) & 7)) - 1,
+		'A' + ((id->vendor >> 8) & 0x1f) - 1,
+		(id->function >> 4) & 0x0f, id->function & 0x0f,
+		(id->function >> 12) & 0x0f, (id->function >> 8) & 0x0f);
+	return 1;
+}
+
 /* Ignore any prefix, eg. some architectures prepend _ */
 static inline int sym_is(const char *symbol, const char *name)
 {
@@ -957,6 +970,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
 		do_table(symval, sym->st_size,
 			 sizeof(struct zorro_device_id), "zorro",
 			 do_zorro_entry, mod);
+	else if (sym_is(symname, "__mod_isapnp_device_table"))
+		do_table(symval, sym->st_size,
+			sizeof(struct isapnp_device_id), "isa",
+			do_isapnp_entry, mod);
 	free(zeros);
 }
 

From 480b02df3aa9f07d1c7df0cd8be7a5ca73893455 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 19 May 2010 17:33:39 -0600
Subject: [PATCH 2101/3638] module: drop the lock while waiting for module to
 complete initialization.

This fixes "gave up waiting for init of module libcrc32c." which
happened at boot time due to multiple parallel module loads.

The problem was a deadlock: we wait for a module to finish
initializing, but we keep the module_lock mutex so it can't complete.
In particular, this could reasonably happen if a module does a
request_module() in its initialization routine.

So we change use_module() to return an errno rather than a bool, and if
it's -EBUSY we drop the lock and wait in the caller, then reaquire the
lock.

Reported-by: Brandon Philips <brandon@ifup.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Tested-by: Brandon Philips <brandon@ifup.org>
---
 kernel/module.c | 57 +++++++++++++++++++++++++++++++------------------
 1 file changed, 36 insertions(+), 21 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index e2564580f3f..970d773aec6 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -561,33 +561,26 @@ int use_module(struct module *a, struct module *b)
 	struct module_use *use;
 	int no_warn, err;
 
-	if (b == NULL || already_uses(a, b)) return 1;
+	if (b == NULL || already_uses(a, b))
+		return 0;
 
 	/* If we're interrupted or time out, we fail. */
-	if (wait_event_interruptible_timeout(
-		    module_wq, (err = strong_try_module_get(b)) != -EBUSY,
-		    30 * HZ) <= 0) {
-		printk("%s: gave up waiting for init of module %s.\n",
-		       a->name, b->name);
-		return 0;
-	}
-
-	/* If strong_try_module_get() returned a different error, we fail. */
+	err = strong_try_module_get(b);
 	if (err)
-		return 0;
+		return err;
 
 	DEBUGP("Allocating new usage for %s.\n", a->name);
 	use = kmalloc(sizeof(*use), GFP_ATOMIC);
 	if (!use) {
 		printk("%s: out of memory loading\n", a->name);
 		module_put(b);
-		return 0;
+		return -ENOMEM;
 	}
 
 	use->module_which_uses = a;
 	list_add(&use->list, &b->modules_which_use_me);
 	no_warn = sysfs_create_link(b->holders_dir, &a->mkobj.kobj, a->name);
-	return 1;
+	return 0;
 }
 EXPORT_SYMBOL_GPL(use_module);
 
@@ -880,7 +873,7 @@ static inline void module_unload_free(struct module *mod)
 
 int use_module(struct module *a, struct module *b)
 {
-	return strong_try_module_get(b) == 0;
+	return strong_try_module_get(b);
 }
 EXPORT_SYMBOL_GPL(use_module);
 
@@ -1051,17 +1044,39 @@ static const struct kernel_symbol *resolve_symbol(Elf_Shdr *sechdrs,
 	struct module *owner;
 	const struct kernel_symbol *sym;
 	const unsigned long *crc;
+	DEFINE_WAIT(wait);
+	int err;
+	long timeleft = 30 * HZ;
 
+again:
 	sym = find_symbol(name, &owner, &crc,
 			  !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), true);
-	/* use_module can fail due to OOM,
-	   or module initialization or unloading */
-	if (sym) {
-		if (!check_version(sechdrs, versindex, name, mod, crc, owner)
-		    || !use_module(mod, owner))
-			sym = NULL;
+	if (!sym)
+		return NULL;
+
+	if (!check_version(sechdrs, versindex, name, mod, crc, owner))
+		return NULL;
+
+	prepare_to_wait(&module_wq, &wait, TASK_INTERRUPTIBLE);
+	err = use_module(mod, owner);
+	if (likely(!err) || err != -EBUSY || signal_pending(current)) {
+		finish_wait(&module_wq, &wait);
+		return err ? NULL : sym;
 	}
-	return sym;
+
+	/* Module is still loading.  Drop lock and wait. */
+	mutex_unlock(&module_mutex);
+	timeleft = schedule_timeout(timeleft);
+	mutex_lock(&module_mutex);
+	finish_wait(&module_wq, &wait);
+
+	/* Module might be gone entirely, or replaced.  Re-lookup. */
+	if (timeleft)
+		goto again;
+
+	printk(KERN_WARNING "%s: gave up waiting for init of module %s.\n",
+	       mod->name, owner->name);
+	return NULL;
 }
 
 /*

From 5f487cd34f4337f9bc27ca19da72a39d1b0a0ab4 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <cbouatmailru@gmail.com>
Date: Tue, 18 May 2010 21:49:51 +0200
Subject: [PATCH 2102/3638] power_supply: Use attribute groups

This fixes a race between power supply device and initial
attributes creation, plus makes it possible to implement
writable properties.

[Daniel Mack - removed superflous return statement
 and dropped .mode attribute from POWER_SUPPLY_ATTR]

Suggested-by: Greg KH <gregkh@suse.de>
Suggested-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Tested-by: Daniel Mack <daniel@caiaq.de>
---
 drivers/power/power_supply.h       |   7 +-
 drivers/power/power_supply_core.c  |  50 ++++++++----
 drivers/power/power_supply_sysfs.c | 117 ++++++++++-------------------
 include/linux/power_supply.h       |   1 +
 4 files changed, 77 insertions(+), 98 deletions(-)

diff --git a/drivers/power/power_supply.h b/drivers/power/power_supply.h
index f38ba482be7..018de2b2699 100644
--- a/drivers/power/power_supply.h
+++ b/drivers/power/power_supply.h
@@ -12,15 +12,12 @@
 
 #ifdef CONFIG_SYSFS
 
-extern int power_supply_create_attrs(struct power_supply *psy);
-extern void power_supply_remove_attrs(struct power_supply *psy);
+extern void power_supply_init_attrs(struct device_type *dev_type);
 extern int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env);
 
 #else
 
-static inline int power_supply_create_attrs(struct power_supply *psy)
-{ return 0; }
-static inline void power_supply_remove_attrs(struct power_supply *psy) {}
+static inline void power_supply_init_attrs(struct device_type *dev_type) {}
 #define power_supply_uevent NULL
 
 #endif /* CONFIG_SYSFS */
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index cce75b40b43..91606bb5531 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/device.h>
 #include <linux/err.h>
 #include <linux/power_supply.h>
@@ -22,6 +23,8 @@
 struct class *power_supply_class;
 EXPORT_SYMBOL_GPL(power_supply_class);
 
+static struct device_type power_supply_dev_type;
+
 static int __power_supply_changed_work(struct device *dev, void *data)
 {
 	struct power_supply *psy = (struct power_supply *)data;
@@ -144,23 +147,40 @@ struct power_supply *power_supply_get_by_name(char *name)
 }
 EXPORT_SYMBOL_GPL(power_supply_get_by_name);
 
+static void power_supply_dev_release(struct device *dev)
+{
+	pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
+	kfree(dev);
+}
+
 int power_supply_register(struct device *parent, struct power_supply *psy)
 {
-	int rc = 0;
+	struct device *dev;
+	int rc;
 
-	psy->dev = device_create(power_supply_class, parent, 0, psy,
-				 "%s", psy->name);
-	if (IS_ERR(psy->dev)) {
-		rc = PTR_ERR(psy->dev);
-		goto dev_create_failed;
-	}
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
+
+	device_initialize(dev);
+
+	dev->class = power_supply_class;
+	dev->type = &power_supply_dev_type;
+	dev->parent = parent;
+	dev->release = power_supply_dev_release;
+	dev_set_drvdata(dev, psy);
+	psy->dev = dev;
+
+	rc = kobject_set_name(&dev->kobj, "%s", psy->name);
+	if (rc)
+		goto kobject_set_name_failed;
+
+	rc = device_add(dev);
+	if (rc)
+		goto device_add_failed;
 
 	INIT_WORK(&psy->changed_work, power_supply_changed_work);
 
-	rc = power_supply_create_attrs(psy);
-	if (rc)
-		goto create_attrs_failed;
-
 	rc = power_supply_create_triggers(psy);
 	if (rc)
 		goto create_triggers_failed;
@@ -170,10 +190,10 @@ int power_supply_register(struct device *parent, struct power_supply *psy)
 	goto success;
 
 create_triggers_failed:
-	power_supply_remove_attrs(psy);
-create_attrs_failed:
 	device_unregister(psy->dev);
-dev_create_failed:
+kobject_set_name_failed:
+device_add_failed:
+	kfree(dev);
 success:
 	return rc;
 }
@@ -183,7 +203,6 @@ void power_supply_unregister(struct power_supply *psy)
 {
 	flush_scheduled_work();
 	power_supply_remove_triggers(psy);
-	power_supply_remove_attrs(psy);
 	device_unregister(psy->dev);
 }
 EXPORT_SYMBOL_GPL(power_supply_unregister);
@@ -196,6 +215,7 @@ static int __init power_supply_class_init(void)
 		return PTR_ERR(power_supply_class);
 
 	power_supply_class->dev_uevent = power_supply_uevent;
+	power_supply_init_attrs(&power_supply_dev_type);
 
 	return 0;
 }
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 5b6e352ac7c..7d7593cad7d 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -31,7 +31,7 @@
 
 #define POWER_SUPPLY_ATTR(_name)					\
 {									\
-	.attr = { .name = #_name, .mode = 0444 },	\
+	.attr = { .name = #_name },					\
 	.show = power_supply_show_property,				\
 	.store = NULL,							\
 }
@@ -41,6 +41,9 @@ static struct device_attribute power_supply_attrs[];
 static ssize_t power_supply_show_property(struct device *dev,
 					  struct device_attribute *attr,
 					  char *buf) {
+	static char *type_text[] = {
+		"Battery", "UPS", "Mains", "USB"
+	};
 	static char *status_text[] = {
 		"Unknown", "Charging", "Discharging", "Not charging", "Full"
 	};
@@ -58,12 +61,15 @@ static ssize_t power_supply_show_property(struct device *dev,
 	static char *capacity_level_text[] = {
 		"Unknown", "Critical", "Low", "Normal", "High", "Full"
 	};
-	ssize_t ret;
+	ssize_t ret = 0;
 	struct power_supply *psy = dev_get_drvdata(dev);
 	const ptrdiff_t off = attr - power_supply_attrs;
 	union power_supply_propval value;
 
-	ret = psy->get_property(psy, off, &value);
+	if (off == POWER_SUPPLY_PROP_TYPE)
+		value.intval = psy->type;
+	else
+		ret = psy->get_property(psy, off, &value);
 
 	if (ret < 0) {
 		if (ret == -ENODATA)
@@ -85,6 +91,8 @@ static ssize_t power_supply_show_property(struct device *dev,
 		return sprintf(buf, "%s\n", technology_text[value.intval]);
 	else if (off == POWER_SUPPLY_PROP_CAPACITY_LEVEL)
 		return sprintf(buf, "%s\n", capacity_level_text[value.intval]);
+	else if (off == POWER_SUPPLY_PROP_TYPE)
+		return sprintf(buf, "%s\n", type_text[value.intval]);
 	else if (off >= POWER_SUPPLY_PROP_MODEL_NAME)
 		return sprintf(buf, "%s\n", value.strval);
 
@@ -132,67 +140,50 @@ static struct device_attribute power_supply_attrs[] = {
 	POWER_SUPPLY_ATTR(time_to_empty_avg),
 	POWER_SUPPLY_ATTR(time_to_full_now),
 	POWER_SUPPLY_ATTR(time_to_full_avg),
+	POWER_SUPPLY_ATTR(type),
 	/* Properties of type `const char *' */
 	POWER_SUPPLY_ATTR(model_name),
 	POWER_SUPPLY_ATTR(manufacturer),
 	POWER_SUPPLY_ATTR(serial_number),
 };
 
-static ssize_t power_supply_show_static_attrs(struct device *dev,
-					      struct device_attribute *attr,
-					      char *buf) {
-	static char *type_text[] = { "Battery", "UPS", "Mains", "USB" };
-	struct power_supply *psy = dev_get_drvdata(dev);
+static struct attribute *
+__power_supply_attrs[ARRAY_SIZE(power_supply_attrs) + 1];
 
-	return sprintf(buf, "%s\n", type_text[psy->type]);
+static mode_t power_supply_attr_is_visible(struct kobject *kobj,
+					   struct attribute *attr,
+					   int attrno)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct power_supply *psy = dev_get_drvdata(dev);
+	int i;
+
+	for (i = 0; i < psy->num_properties; i++) {
+		if (psy->properties[i] == attrno)
+			return 0444;
+	}
+
+	return 0;
 }
 
-static struct device_attribute power_supply_static_attrs[] = {
-	__ATTR(type, 0444, power_supply_show_static_attrs, NULL),
+static struct attribute_group power_supply_attr_group = {
+	.attrs = __power_supply_attrs,
+	.is_visible = power_supply_attr_is_visible,
 };
 
-int power_supply_create_attrs(struct power_supply *psy)
-{
-	int rc = 0;
-	int i, j;
+static const struct attribute_group *power_supply_attr_groups[] = {
+	&power_supply_attr_group,
+	NULL,
+};
 
-	for (i = 0; i < ARRAY_SIZE(power_supply_static_attrs); i++) {
-		rc = device_create_file(psy->dev,
-			    &power_supply_static_attrs[i]);
-		if (rc)
-			goto statics_failed;
-	}
-
-	for (j = 0; j < psy->num_properties; j++) {
-		rc = device_create_file(psy->dev,
-			    &power_supply_attrs[psy->properties[j]]);
-		if (rc)
-			goto dynamics_failed;
-	}
-
-	goto succeed;
-
-dynamics_failed:
-	while (j--)
-		device_remove_file(psy->dev,
-			   &power_supply_attrs[psy->properties[j]]);
-statics_failed:
-	while (i--)
-		device_remove_file(psy->dev, &power_supply_static_attrs[i]);
-succeed:
-	return rc;
-}
-
-void power_supply_remove_attrs(struct power_supply *psy)
+void power_supply_init_attrs(struct device_type *dev_type)
 {
 	int i;
 
-	for (i = 0; i < ARRAY_SIZE(power_supply_static_attrs); i++)
-		device_remove_file(psy->dev, &power_supply_static_attrs[i]);
+	dev_type->groups = power_supply_attr_groups;
 
-	for (i = 0; i < psy->num_properties; i++)
-		device_remove_file(psy->dev,
-			    &power_supply_attrs[psy->properties[i]]);
+	for (i = 0; i < ARRAY_SIZE(power_supply_attrs); i++)
+		__power_supply_attrs[i] = &power_supply_attrs[i].attr;
 }
 
 static char *kstruprdup(const char *str, gfp_t gfp)
@@ -236,36 +227,6 @@ int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env)
 	if (!prop_buf)
 		return -ENOMEM;
 
-	for (j = 0; j < ARRAY_SIZE(power_supply_static_attrs); j++) {
-		struct device_attribute *attr;
-		char *line;
-
-		attr = &power_supply_static_attrs[j];
-
-		ret = power_supply_show_static_attrs(dev, attr, prop_buf);
-		if (ret < 0)
-			goto out;
-
-		line = strchr(prop_buf, '\n');
-		if (line)
-			*line = 0;
-
-		attrname = kstruprdup(attr->attr.name, GFP_KERNEL);
-		if (!attrname) {
-			ret = -ENOMEM;
-			goto out;
-		}
-
-		dev_dbg(dev, "Static prop %s=%s\n", attrname, prop_buf);
-
-		ret = add_uevent_var(env, "POWER_SUPPLY_%s=%s", attrname, prop_buf);
-		kfree(attrname);
-		if (ret)
-			goto out;
-	}
-
-	dev_dbg(dev, "%zd dynamic props\n", psy->num_properties);
-
 	for (j = 0; j < psy->num_properties; j++) {
 		struct device_attribute *attr;
 		char *line;
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index ebd2b8fb00d..c5f73a3ab3a 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -114,6 +114,7 @@ enum power_supply_property {
 	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
 	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
 	POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
+	POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
 	/* Properties of type `const char *' */
 	POWER_SUPPLY_PROP_MODEL_NAME,
 	POWER_SUPPLY_PROP_MANUFACTURER,

From 0011d2d4a5f7bb5666dcfb9f9b3dbdb084ab98f1 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Tue, 18 May 2010 21:49:52 +0200
Subject: [PATCH 2103/3638] power_supply: Add support for writeable properties

This patch adds support for writeable power supply properties and
exposes them as writeable to sysfs.

A power supply implementation must implement two new function calls in
order to use that feature:

  int set_property(struct power_supply *psy,
                   enum power_supply_property psp,
                   const union power_supply_propval *val);

  int property_is_writeable(struct power_supply *psy,
                            enum power_supply_property psp);

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alexey Starikovskiy <astarikovskiy@suse.de>
Cc: Len Brown <len.brown@intel.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Matt Reimer <mreimer@vpop.net>
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/power_supply_sysfs.c | 38 +++++++++++++++++++++++++++---
 include/linux/power_supply.h       |  5 ++++
 2 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 7d7593cad7d..6a86cdfd79f 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -33,7 +33,7 @@
 {									\
 	.attr = { .name = #_name },					\
 	.show = power_supply_show_property,				\
-	.store = NULL,							\
+	.store = power_supply_store_property,				\
 }
 
 static struct device_attribute power_supply_attrs[];
@@ -99,6 +99,29 @@ static ssize_t power_supply_show_property(struct device *dev,
 	return sprintf(buf, "%d\n", value.intval);
 }
 
+static ssize_t power_supply_store_property(struct device *dev,
+					   struct device_attribute *attr,
+					   const char *buf, size_t count) {
+	ssize_t ret;
+	struct power_supply *psy = dev_get_drvdata(dev);
+	const ptrdiff_t off = attr - power_supply_attrs;
+	union power_supply_propval value;
+	long long_val;
+
+	/* TODO: support other types than int */
+	ret = strict_strtol(buf, 10, &long_val);
+	if (ret < 0)
+		return ret;
+
+	value.intval = long_val;
+
+	ret = psy->set_property(psy, off, &value);
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+
 /* Must be in the same order as POWER_SUPPLY_PROP_* */
 static struct device_attribute power_supply_attrs[] = {
 	/* Properties of type `int' */
@@ -159,8 +182,17 @@ static mode_t power_supply_attr_is_visible(struct kobject *kobj,
 	int i;
 
 	for (i = 0; i < psy->num_properties; i++) {
-		if (psy->properties[i] == attrno)
-			return 0444;
+		int property = psy->properties[i];
+
+		if (property == attrno) {
+			mode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
+
+			if (psy->property_is_writeable &&
+			    psy->property_is_writeable(psy, property) > 0)
+				mode |= S_IWUSR;
+
+			return mode;
+		}
 	}
 
 	return 0;
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index c5f73a3ab3a..30083a896f3 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -145,6 +145,11 @@ struct power_supply {
 	int (*get_property)(struct power_supply *psy,
 			    enum power_supply_property psp,
 			    union power_supply_propval *val);
+	int (*set_property)(struct power_supply *psy,
+			    enum power_supply_property psp,
+			    const union power_supply_propval *val);
+	int (*property_is_writeable)(struct power_supply *psy,
+				     enum power_supply_property psp);
 	void (*external_power_changed)(struct power_supply *psy);
 	void (*set_charged)(struct power_supply *psy);
 

From bd52ca555ef36bf5b790178cfe8b7d42b5c16ca6 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Tue, 18 May 2010 21:49:53 +0200
Subject: [PATCH 2104/3638] ds2760_battery: Make charge_now and charge_full
 writeable

For userspace tools and daemons, it might be necessary to adjust
the charge_now and charge_full properties of the ds2760 battery monitor,
for example for unavoidable corrections due to aging batteries.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Matt Reimer <mreimer@vpop.net>
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Tejun Heo <tj@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alexey Starikovskiy <astarikovskiy@suse.de>
Cc: Len Brown <len.brown@intel.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/ds2760_battery.c | 64 ++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c
index 3bf8d1f622e..4d3b27228a2 100644
--- a/drivers/power/ds2760_battery.c
+++ b/drivers/power/ds2760_battery.c
@@ -304,6 +304,28 @@ static void ds2760_battery_write_rated_capacity(struct ds2760_device_info *di,
 	w1_ds2760_recall_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
 }
 
+static void ds2760_battery_write_active_full(struct ds2760_device_info *di,
+					     int active_full)
+{
+	unsigned char tmp[2] = {
+		active_full >> 8,
+		active_full & 0xff
+	};
+
+	if (tmp[0] == di->raw[DS2760_ACTIVE_FULL] &&
+	    tmp[1] == di->raw[DS2760_ACTIVE_FULL + 1])
+		return;
+
+	w1_ds2760_write(di->w1_dev, tmp, DS2760_ACTIVE_FULL, sizeof(tmp));
+	w1_ds2760_store_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK0);
+	w1_ds2760_recall_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK0);
+
+	/* Write to the di->raw[] buffer directly - the DS2760_ACTIVE_FULL
+	 * values won't be read back by ds2760_battery_read_status() */
+	di->raw[DS2760_ACTIVE_FULL] = tmp[0];
+	di->raw[DS2760_ACTIVE_FULL + 1] = tmp[1];
+}
+
 static void ds2760_battery_work(struct work_struct *work)
 {
 	struct ds2760_device_info *di = container_of(work,
@@ -426,6 +448,45 @@ static int ds2760_battery_get_property(struct power_supply *psy,
 	return 0;
 }
 
+static int ds2760_battery_set_property(struct power_supply *psy,
+				       enum power_supply_property psp,
+				       const union power_supply_propval *val)
+{
+	struct ds2760_device_info *di = to_ds2760_device_info(psy);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_CHARGE_FULL:
+		/* the interface counts in uAh, convert the value */
+		ds2760_battery_write_active_full(di, val->intval / 1000L);
+		break;
+
+	case POWER_SUPPLY_PROP_CHARGE_NOW:
+		/* ds2760_battery_set_current_accum() does the conversion */
+		ds2760_battery_set_current_accum(di, val->intval);
+		break;
+
+	default:
+		return -EPERM;
+	}
+
+	return 0;
+}
+
+static int ds2760_battery_property_is_writeable(struct power_supply *psy,
+						enum power_supply_property psp)
+{
+	switch (psp) {
+	case POWER_SUPPLY_PROP_CHARGE_FULL:
+	case POWER_SUPPLY_PROP_CHARGE_NOW:
+		return 1;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
 static enum power_supply_property ds2760_battery_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
@@ -460,6 +521,9 @@ static int ds2760_battery_probe(struct platform_device *pdev)
 	di->bat.properties	= ds2760_battery_props;
 	di->bat.num_properties	= ARRAY_SIZE(ds2760_battery_props);
 	di->bat.get_property	= ds2760_battery_get_property;
+	di->bat.set_property	= ds2760_battery_set_property;
+	di->bat.property_is_writeable =
+				  ds2760_battery_property_is_writeable;
 	di->bat.set_charged	= ds2760_battery_set_charged;
 	di->bat.external_power_changed =
 				  ds2760_battery_external_power_changed;

From 24af3202459d9a25643009b1ab8ab5ff04d94b49 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Tue, 18 May 2010 22:26:40 +0200
Subject: [PATCH 2105/3638] ds2760_battery: Document ABI change

Add some documentation for the newly added writeable properties.

Suggested-by: Greg KH <gregkh@suse.de>
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 Documentation/ABI/testing/sysfs-class-power | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-class-power

diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
new file mode 100644
index 00000000000..78c7baca358
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -0,0 +1,20 @@
+What:		/sys/class/power/ds2760-battery.*/charge_now
+Date:		May 2010
+KernelVersion:	2.6.35
+Contact:	Daniel Mack <daniel@caiaq.de>
+Description:
+		This file is writeable and can be used to set the current
+		coloumb counter value inside the battery monitor chip. This
+		is needed for unavoidable corrections of aging batteries.
+		A userspace daemon can monitor the battery charging logic
+		and once the counter drops out of considerable bounds, take
+		appropriate action.
+
+What:		/sys/class/power/ds2760-battery.*/charge_full
+Date:		May 2010
+KernelVersion:	2.6.35
+Contact:	Daniel Mack <daniel@caiaq.de>
+Description:
+		This file is writeable and can be used to set the assumed
+		battery 'full level'. As batteries age, this value has to be
+		amended over time.

From 5a7388c2d2faa2cc70c2d4717c8d7836d55459e0 Mon Sep 17 00:00:00 2001
From: Eric Northup <digitaleric@google.com>
Date: Mon, 26 Apr 2010 17:00:05 -0700
Subject: [PATCH 2106/3638] KVM: MMU: fix hashing for TDP and non-paging modes

For TDP mode, avoid creating multiple page table roots for the single
guest-to-host physical address map by fixing the inputs used for the
shadow page table hash in mmu_alloc_roots().

Signed-off-by: Eric Northup <digitaleric@google.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmu.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index ddfa8658fb6..9696d654b01 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2059,10 +2059,12 @@ static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
 		hpa_t root = vcpu->arch.mmu.root_hpa;
 
 		ASSERT(!VALID_PAGE(root));
-		if (tdp_enabled)
-			direct = 1;
 		if (mmu_check_root(vcpu, root_gfn))
 			return 1;
+		if (tdp_enabled) {
+			direct = 1;
+			root_gfn = 0;
+		}
 		sp = kvm_mmu_get_page(vcpu, root_gfn, 0,
 				      PT64_ROOT_LEVEL, direct,
 				      ACC_ALL, NULL);
@@ -2072,8 +2074,6 @@ static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
 		return 0;
 	}
 	direct = !is_paging(vcpu);
-	if (tdp_enabled)
-		direct = 1;
 	for (i = 0; i < 4; ++i) {
 		hpa_t root = vcpu->arch.mmu.pae_root[i];
 
@@ -2089,6 +2089,10 @@ static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
 			root_gfn = 0;
 		if (mmu_check_root(vcpu, root_gfn))
 			return 1;
+		if (tdp_enabled) {
+			direct = 1;
+			root_gfn = i << 30;
+		}
 		sp = kvm_mmu_get_page(vcpu, root_gfn, i << 30,
 				      PT32_ROOT_LEVEL, direct,
 				      ACC_ALL, NULL);

From d35b8dd9355805f17225fdbfee4bc704d7bf7547 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Tue, 27 Apr 2010 10:39:49 +0800
Subject: [PATCH 2107/3638] KVM: Fix mmu shrinker error

kvm_mmu_remove_one_alloc_mmu_page() assumes kvm_mmu_zap_page() only reclaims
only one sp, but that's not the case. This will cause mmu shrinker returns
a wrong number. This patch fix the counting error.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmu.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 9696d654b01..18d2f584945 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2902,13 +2902,13 @@ restart:
 	kvm_flush_remote_tlbs(kvm);
 }
 
-static void kvm_mmu_remove_one_alloc_mmu_page(struct kvm *kvm)
+static int kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm)
 {
 	struct kvm_mmu_page *page;
 
 	page = container_of(kvm->arch.active_mmu_pages.prev,
 			    struct kvm_mmu_page, link);
-	kvm_mmu_zap_page(kvm, page);
+	return kvm_mmu_zap_page(kvm, page) + 1;
 }
 
 static int mmu_shrink(int nr_to_scan, gfp_t gfp_mask)
@@ -2920,7 +2920,7 @@ static int mmu_shrink(int nr_to_scan, gfp_t gfp_mask)
 	spin_lock(&kvm_lock);
 
 	list_for_each_entry(kvm, &vm_list, vm_list) {
-		int npages, idx;
+		int npages, idx, freed_pages;
 
 		idx = srcu_read_lock(&kvm->srcu);
 		spin_lock(&kvm->mmu_lock);
@@ -2928,8 +2928,8 @@ static int mmu_shrink(int nr_to_scan, gfp_t gfp_mask)
 			 kvm->arch.n_free_mmu_pages;
 		cache_count += npages;
 		if (!kvm_freed && nr_to_scan > 0 && npages > 0) {
-			kvm_mmu_remove_one_alloc_mmu_page(kvm);
-			cache_count--;
+			freed_pages = kvm_mmu_remove_some_alloc_mmu_pages(kvm);
+			cache_count -= freed_pages;
 			kvm_freed = kvm;
 		}
 		nr_to_scan--;

From 329d20ba451b5a9fd17a4ce9471e4d335b3b8c74 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Tue, 27 Apr 2010 15:49:17 +1000
Subject: [PATCH 2108/3638] KVM: powerpc: use of kzalloc/kfree requires
 including slab.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 9f97dbe25e4..28e785fb2ca 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -16,6 +16,7 @@
 
 #include <linux/kvm_host.h>
 #include <linux/err.h>
+#include <linux/slab.h>
 
 #include <asm/reg.h>
 #include <asm/cputable.h>

From 22c9b2d166a88573a933e8d355833d36579d83be Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Wed, 28 Apr 2010 11:54:44 +0800
Subject: [PATCH 2109/3638] KVM: MMU: fix for calculating gpa in invlpg code

If the guest is 32-bit, we should use 'quadrant' to adjust gpa
offset

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/paging_tmpl.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index d0cc07eb6ed..3464fdbdb98 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -478,8 +478,13 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
 		    ((level == PT_DIRECTORY_LEVEL && is_large_pte(*sptep))) ||
 		    ((level == PT_PDPE_LEVEL && is_large_pte(*sptep)))) {
 			struct kvm_mmu_page *sp = page_header(__pa(sptep));
+			int offset, shift;
 
-			pte_gpa = (sp->gfn << PAGE_SHIFT);
+			shift = PAGE_SHIFT -
+				  (PT_LEVEL_BITS - PT64_LEVEL_BITS) * level;
+			offset = sp->role.quadrant << shift;
+
+			pte_gpa = (sp->gfn << PAGE_SHIFT) + offset;
 			pte_gpa += (sptep - sp->spt) * sizeof(pt_element_t);
 
 			if (is_shadow_present_pte(*sptep)) {

From 85f2067c3192212bce3bd2e1d6ad10153d6f2a4e Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Wed, 28 Apr 2010 11:54:55 +0800
Subject: [PATCH 2110/3638] KVM: MMU: convert mmu tracepoints

Convert mmu tracepoints by using DECLARE_EVENT_CLASS

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmutrace.h | 71 ++++++++++++++++-------------------------
 1 file changed, 27 insertions(+), 44 deletions(-)

diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index 40a1786f36c..42f07b1bfbc 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -92,15 +92,15 @@ TRACE_EVENT(
 	TP_printk("pte %llx level %u", __entry->pte, __entry->level)
 );
 
-/* We set a pte accessed bit */
-TRACE_EVENT(
-	kvm_mmu_set_accessed_bit,
+DECLARE_EVENT_CLASS(kvm_mmu_set_bit_class,
+
 	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
+
 	TP_ARGS(table_gfn, index, size),
 
 	TP_STRUCT__entry(
 		__field(__u64, gpa)
-		),
+	),
 
 	TP_fast_assign(
 		__entry->gpa = ((u64)table_gfn << PAGE_SHIFT)
@@ -110,22 +110,20 @@ TRACE_EVENT(
 	TP_printk("gpa %llx", __entry->gpa)
 );
 
-/* We set a pte dirty bit */
-TRACE_EVENT(
-	kvm_mmu_set_dirty_bit,
+/* We set a pte accessed bit */
+DEFINE_EVENT(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit,
+
 	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
-	TP_ARGS(table_gfn, index, size),
 
-	TP_STRUCT__entry(
-		__field(__u64, gpa)
-		),
+	TP_ARGS(table_gfn, index, size)
+);
 
-	TP_fast_assign(
-		__entry->gpa = ((u64)table_gfn << PAGE_SHIFT)
-				+ index * size;
-		),
+/* We set a pte dirty bit */
+DEFINE_EVENT(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit,
 
-	TP_printk("gpa %llx", __entry->gpa)
+	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
+
+	TP_ARGS(table_gfn, index, size)
 );
 
 TRACE_EVENT(
@@ -164,54 +162,39 @@ TRACE_EVENT(
 		  __entry->created ? "new" : "existing")
 );
 
-TRACE_EVENT(
-	kvm_mmu_sync_page,
+DECLARE_EVENT_CLASS(kvm_mmu_page_class,
+
 	TP_PROTO(struct kvm_mmu_page *sp),
 	TP_ARGS(sp),
 
 	TP_STRUCT__entry(
 		KVM_MMU_PAGE_FIELDS
-		),
+	),
 
 	TP_fast_assign(
 		KVM_MMU_PAGE_ASSIGN(sp)
-		),
+	),
 
 	TP_printk("%s", KVM_MMU_PAGE_PRINTK())
 );
 
-TRACE_EVENT(
-	kvm_mmu_unsync_page,
+DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_sync_page,
 	TP_PROTO(struct kvm_mmu_page *sp),
-	TP_ARGS(sp),
 
-	TP_STRUCT__entry(
-		KVM_MMU_PAGE_FIELDS
-		),
-
-	TP_fast_assign(
-		KVM_MMU_PAGE_ASSIGN(sp)
-		),
-
-	TP_printk("%s", KVM_MMU_PAGE_PRINTK())
+	TP_ARGS(sp)
 );
 
-TRACE_EVENT(
-	kvm_mmu_zap_page,
+DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_unsync_page,
 	TP_PROTO(struct kvm_mmu_page *sp),
-	TP_ARGS(sp),
 
-	TP_STRUCT__entry(
-		KVM_MMU_PAGE_FIELDS
-		),
-
-	TP_fast_assign(
-		KVM_MMU_PAGE_ASSIGN(sp)
-		),
-
-	TP_printk("%s", KVM_MMU_PAGE_PRINTK())
+	TP_ARGS(sp)
 );
 
+DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_zap_page,
+	TP_PROTO(struct kvm_mmu_page *sp),
+
+	TP_ARGS(sp)
+);
 #endif /* _TRACE_KVMMMU_H */
 
 #undef TRACE_INCLUDE_PATH

From 5e1b3ddbf220d2256a6a0d676a219ed76b8048d0 Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Wed, 28 Apr 2010 11:55:06 +0800
Subject: [PATCH 2111/3638] KVM: MMU: move unsync/sync tracpoints to proper
 place

Move unsync/sync tracepoints to the proper place, it's good
for us to obtain unsync page live time

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/mmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 18d2f584945..51eb6d6abd8 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1189,6 +1189,7 @@ static struct kvm_mmu_page *kvm_mmu_lookup_page(struct kvm *kvm, gfn_t gfn)
 static void kvm_unlink_unsync_page(struct kvm *kvm, struct kvm_mmu_page *sp)
 {
 	WARN_ON(!sp->unsync);
+	trace_kvm_mmu_sync_page(sp);
 	sp->unsync = 0;
 	--kvm->stat.mmu_unsync;
 }
@@ -1202,7 +1203,6 @@ static int kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 		return 1;
 	}
 
-	trace_kvm_mmu_sync_page(sp);
 	if (rmap_write_protect(vcpu->kvm, sp->gfn))
 		kvm_flush_remote_tlbs(vcpu->kvm);
 	kvm_unlink_unsync_page(vcpu->kvm, sp);
@@ -1730,7 +1730,6 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 	struct kvm_mmu_page *s;
 	struct hlist_node *node, *n;
 
-	trace_kvm_mmu_unsync_page(sp);
 	index = kvm_page_table_hashfn(sp->gfn);
 	bucket = &vcpu->kvm->arch.mmu_page_hash[index];
 	/* don't unsync if pagetable is shadowed with multiple roles */
@@ -1740,6 +1739,7 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 		if (s->role.word != sp->role.word)
 			return 1;
 	}
+	trace_kvm_mmu_unsync_page(sp);
 	++vcpu->kvm->stat.mmu_unsync;
 	sp->unsync = 1;
 

From 884a0ff0b68b3ece5987507de168215e14ef7849 Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Wed, 28 Apr 2010 11:55:15 +0800
Subject: [PATCH 2112/3638] KVM: MMU: cleanup invlpg code

Using is_last_spte() to cleanup invlpg code

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/paging_tmpl.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 3464fdbdb98..89d66ca4d87 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -474,9 +474,7 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
 		level = iterator.level;
 		sptep = iterator.sptep;
 
-		if (level == PT_PAGE_TABLE_LEVEL  ||
-		    ((level == PT_DIRECTORY_LEVEL && is_large_pte(*sptep))) ||
-		    ((level == PT_PDPE_LEVEL && is_large_pte(*sptep)))) {
+		if (is_last_spte(*sptep, level)) {
 			struct kvm_mmu_page *sp = page_header(__pa(sptep));
 			int offset, shift;
 

From 0ee75bead83da4791e5cbf659806c54d8ee40f12 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 28 Apr 2010 15:39:01 +0300
Subject: [PATCH 2113/3638] KVM: Let vcpu structure alignment be determined at
 runtime

vmx and svm vcpus have different contents and therefore may have different
alignmment requirements.  Let each specify its required alignment.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/ia64/kvm/vmm.c       | 2 +-
 arch/powerpc/kvm/44x.c    | 2 +-
 arch/powerpc/kvm/book3s.c | 3 ++-
 arch/powerpc/kvm/e500.c   | 2 +-
 arch/s390/kvm/kvm-s390.c  | 2 +-
 arch/x86/kvm/svm.c        | 2 +-
 arch/x86/kvm/vmx.c        | 3 ++-
 include/linux/kvm_host.h  | 2 +-
 virt/kvm/kvm_main.c       | 7 ++++---
 9 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c
index 7a62f75778c..f0b9cac8241 100644
--- a/arch/ia64/kvm/vmm.c
+++ b/arch/ia64/kvm/vmm.c
@@ -51,7 +51,7 @@ static int __init  kvm_vmm_init(void)
 	vmm_fpswa_interface = fpswa_interface;
 
 	/*Register vmm data to kvm side*/
-	return kvm_init(&vmm_info, 1024, THIS_MODULE);
+	return kvm_init(&vmm_info, 1024, 0, THIS_MODULE);
 }
 
 static void __exit kvm_vmm_exit(void)
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c
index 689a57c2ac8..73c0a3f64ed 100644
--- a/arch/powerpc/kvm/44x.c
+++ b/arch/powerpc/kvm/44x.c
@@ -147,7 +147,7 @@ static int __init kvmppc_44x_init(void)
 	if (r)
 		return r;
 
-	return kvm_init(NULL, sizeof(struct kvmppc_vcpu_44x), THIS_MODULE);
+	return kvm_init(NULL, sizeof(struct kvmppc_vcpu_44x), 0, THIS_MODULE);
 }
 
 static void __exit kvmppc_44x_exit(void)
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 28e785fb2ca..11f226ff446 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1385,7 +1385,8 @@ int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
 
 static int kvmppc_book3s_init(void)
 {
-	return kvm_init(NULL, sizeof(struct kvmppc_vcpu_book3s), THIS_MODULE);
+	return kvm_init(NULL, sizeof(struct kvmppc_vcpu_book3s), 0,
+			THIS_MODULE);
 }
 
 static void kvmppc_book3s_exit(void)
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 669a5c5fc7d..bc2b4004eb2 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -161,7 +161,7 @@ static int __init kvmppc_e500_init(void)
 	flush_icache_range(kvmppc_booke_handlers,
 			kvmppc_booke_handlers + max_ivor + kvmppc_handler_len);
 
-	return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), THIS_MODULE);
+	return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
 }
 
 static void __init kvmppc_e500_exit(void)
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index ee7c713686c..8093e6f47f4 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -752,7 +752,7 @@ gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
 static int __init kvm_s390_init(void)
 {
 	int ret;
-	ret = kvm_init(NULL, sizeof(struct kvm_vcpu), THIS_MODULE);
+	ret = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
 	if (ret)
 		return ret;
 
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 889f66022e5..2511664ff67 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3319,7 +3319,7 @@ static struct kvm_x86_ops svm_x86_ops = {
 static int __init svm_init(void)
 {
 	return kvm_init(&svm_x86_ops, sizeof(struct vcpu_svm),
-			      THIS_MODULE);
+			__alignof__(struct vcpu_svm), THIS_MODULE);
 }
 
 static void __exit svm_exit(void)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 875b785228f..2e872967860 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4245,7 +4245,8 @@ static int __init vmx_init(void)
 
 	set_bit(0, vmx_vpid_bitmap); /* 0 is reserved for host */
 
-	r = kvm_init(&vmx_x86_ops, sizeof(struct vcpu_vmx), THIS_MODULE);
+	r = kvm_init(&vmx_x86_ops, sizeof(struct vcpu_vmx),
+		     __alignof__(struct vcpu_vmx), THIS_MODULE);
 	if (r)
 		goto out3;
 
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ce027d51809..7cb116afa1c 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -243,7 +243,7 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
 void vcpu_load(struct kvm_vcpu *vcpu);
 void vcpu_put(struct kvm_vcpu *vcpu);
 
-int kvm_init(void *opaque, unsigned int vcpu_size,
+int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
 		  struct module *module);
 void kvm_exit(void);
 
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 9ab1a77941e..f032806a212 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2178,7 +2178,7 @@ static void kvm_sched_out(struct preempt_notifier *pn,
 	kvm_arch_vcpu_put(vcpu);
 }
 
-int kvm_init(void *opaque, unsigned int vcpu_size,
+int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
 		  struct module *module)
 {
 	int r;
@@ -2228,8 +2228,9 @@ int kvm_init(void *opaque, unsigned int vcpu_size,
 		goto out_free_4;
 
 	/* A kmem cache lets us meet the alignment requirements of fx_save. */
-	kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size,
-					   __alignof__(struct kvm_vcpu),
+	if (!vcpu_align)
+		vcpu_align = __alignof__(struct kvm_vcpu);
+	kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size, vcpu_align,
 					   0, NULL);
 	if (!kvm_vcpu_cache) {
 		r = -ENOMEM;

From 19b95dba0324e55505682a18ff9a437fbf4a2592 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 28 Apr 2010 15:40:31 +0300
Subject: [PATCH 2114/3638] KVM: VMX: Add definition for msr autoload entry

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/vmx.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index fb9a080740e..44973189076 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -25,6 +25,8 @@
  *
  */
 
+#include <linux/types.h>
+
 /*
  * Definitions of Primary Processor-Based VM-Execution Controls.
  */
@@ -394,6 +396,10 @@ enum vmcs_field {
 #define ASM_VMX_INVEPT		  ".byte 0x66, 0x0f, 0x38, 0x80, 0x08"
 #define ASM_VMX_INVVPID		  ".byte 0x66, 0x0f, 0x38, 0x81, 0x08"
 
-
+struct vmx_msr_entry {
+	u32 index;
+	u32 reserved;
+	u64 value;
+} __aligned(16);
 
 #endif

From 5dfa3d170e17cbf9e4816a5ba2f5913c31c03e93 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 28 Apr 2010 15:41:03 +0300
Subject: [PATCH 2115/3638] KVM: VMX: Add definitions for guest and host EFER
 autoswitch vmcs entries

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/vmx.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 44973189076..9e6779f7cf2 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -122,6 +122,8 @@ enum vmcs_field {
 	GUEST_IA32_DEBUGCTL_HIGH        = 0x00002803,
 	GUEST_IA32_PAT			= 0x00002804,
 	GUEST_IA32_PAT_HIGH		= 0x00002805,
+	GUEST_IA32_EFER			= 0x00002806,
+	GUEST_IA32_EFER_HIGH		= 0x00002807,
 	GUEST_PDPTR0                    = 0x0000280a,
 	GUEST_PDPTR0_HIGH               = 0x0000280b,
 	GUEST_PDPTR1                    = 0x0000280c,
@@ -132,6 +134,8 @@ enum vmcs_field {
 	GUEST_PDPTR3_HIGH               = 0x00002811,
 	HOST_IA32_PAT			= 0x00002c00,
 	HOST_IA32_PAT_HIGH		= 0x00002c01,
+	HOST_IA32_EFER			= 0x00002c02,
+	HOST_IA32_EFER_HIGH		= 0x00002c03,
 	PIN_BASED_VM_EXEC_CONTROL       = 0x00004000,
 	CPU_BASED_VM_EXEC_CONTROL       = 0x00004002,
 	EXCEPTION_BITMAP                = 0x00004004,

From 61d2ef2ce3e0161bedf5d2867f546a8df77fa9bc Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 28 Apr 2010 16:40:38 +0300
Subject: [PATCH 2116/3638] KVM: VMX: Add facility to atomically switch MSRs on
 guest entry/exit

Some guest msr values cannot be used on the host (for example. EFER.NX=0),
so we need to switch them atomically during guest entry or exit.

Add a facility to program the vmx msr autoload registers accordingly.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/vmx.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 2e872967860..ae22dcf1721 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -98,6 +98,8 @@ module_param(ple_gap, int, S_IRUGO);
 static int ple_window = KVM_VMX_DEFAULT_PLE_WINDOW;
 module_param(ple_window, int, S_IRUGO);
 
+#define NR_AUTOLOAD_MSRS 1
+
 struct vmcs {
 	u32 revision_id;
 	u32 abort;
@@ -125,6 +127,11 @@ struct vcpu_vmx {
 	u64 		      msr_guest_kernel_gs_base;
 #endif
 	struct vmcs          *vmcs;
+	struct msr_autoload {
+		unsigned nr;
+		struct vmx_msr_entry guest[NR_AUTOLOAD_MSRS];
+		struct vmx_msr_entry host[NR_AUTOLOAD_MSRS];
+	} msr_autoload;
 	struct {
 		int           loaded;
 		u16           fs_sel, gs_sel, ldt_sel;
@@ -595,6 +602,46 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
 	vmcs_write32(EXCEPTION_BITMAP, eb);
 }
 
+static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
+{
+	unsigned i;
+	struct msr_autoload *m = &vmx->msr_autoload;
+
+	for (i = 0; i < m->nr; ++i)
+		if (m->guest[i].index == msr)
+			break;
+
+	if (i == m->nr)
+		return;
+	--m->nr;
+	m->guest[i] = m->guest[m->nr];
+	m->host[i] = m->host[m->nr];
+	vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->nr);
+	vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
+}
+
+static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr,
+				  u64 guest_val, u64 host_val)
+{
+	unsigned i;
+	struct msr_autoload *m = &vmx->msr_autoload;
+
+	for (i = 0; i < m->nr; ++i)
+		if (m->guest[i].index == msr)
+			break;
+
+	if (i == m->nr) {
+		++m->nr;
+		vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->nr);
+		vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
+	}
+
+	m->guest[i].index = msr;
+	m->guest[i].value = guest_val;
+	m->host[i].index = msr;
+	m->host[i].value = host_val;
+}
+
 static void reload_tss(void)
 {
 	/*
@@ -2470,7 +2517,9 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
 	vmcs_writel(HOST_RIP, kvm_vmx_return); /* 22.2.5 */
 	vmcs_write32(VM_EXIT_MSR_STORE_COUNT, 0);
 	vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, 0);
+	vmcs_write64(VM_EXIT_MSR_LOAD_ADDR, __pa(vmx->msr_autoload.host));
 	vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, 0);
+	vmcs_write64(VM_ENTRY_MSR_LOAD_ADDR, __pa(vmx->msr_autoload.guest));
 
 	rdmsr(MSR_IA32_SYSENTER_CS, host_sysenter_cs, junk);
 	vmcs_write32(HOST_IA32_SYSENTER_CS, host_sysenter_cs);

From 84ad33ef5dbc12665ad42ee07a2daed473d3ec54 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 28 Apr 2010 16:42:29 +0300
Subject: [PATCH 2117/3638] KVM: VMX: Atomically switch efer if EPT && !EFER.NX

When EPT is enabled, we cannot emulate EFER.NX=0 through the shadow page
tables.  This causes accesses through ptes with bit 63 set to succeed instead
of failing a reserved bit check.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/vmx.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ae22dcf1721..c4f3955c64e 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -678,6 +678,17 @@ static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
 	guest_efer |= host_efer & ignore_bits;
 	vmx->guest_msrs[efer_offset].data = guest_efer;
 	vmx->guest_msrs[efer_offset].mask = ~ignore_bits;
+
+	clear_atomic_switch_msr(vmx, MSR_EFER);
+	/* On ept, can't emulate nx, and must switch nx atomically */
+	if (enable_ept && ((vmx->vcpu.arch.efer ^ host_efer) & EFER_NX)) {
+		guest_efer = vmx->vcpu.arch.efer;
+		if (!(guest_efer & EFER_LMA))
+			guest_efer &= ~EFER_LME;
+		add_atomic_switch_msr(vmx, MSR_EFER, guest_efer, host_efer);
+		return false;
+	}
+
 	return true;
 }
 
@@ -1734,6 +1745,7 @@ static void exit_lmode(struct kvm_vcpu *vcpu)
 	vmcs_write32(VM_ENTRY_CONTROLS,
 		     vmcs_read32(VM_ENTRY_CONTROLS)
 		     & ~VM_ENTRY_IA32E_MODE);
+	vmx_set_efer(vcpu, vcpu->arch.efer);
 }
 
 #endif

From f1d86e469b60f9e1afed5c17a6e723c2c9c55ceb Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Mon, 3 May 2010 23:04:27 -0300
Subject: [PATCH 2118/3638] KVM: x86: properly update
 ready_for_interrupt_injection

The recent changes to emulate string instructions without entering guest
mode exposed a bug where pending interrupts are not properly reflected
in ready_for_interrupt_injection.

The result is that userspace overwrites a previously queued interrupt,
when irqchip's are emulated in userspace.

Fix by always updating state before returning to userspace.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6b2ce1d2d74..dff08e527ec 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4653,7 +4653,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
 	}
 
 	srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
-	post_kvm_run_save(vcpu);
 
 	vapic_exit(vcpu);
 
@@ -4703,6 +4702,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 	r = __vcpu_run(vcpu);
 
 out:
+	post_kvm_run_save(vcpu);
 	if (vcpu->sigset_active)
 		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
 

From cafd66595d92591e4bd25c3904e004fc6f897e2d Mon Sep 17 00:00:00 2001
From: Shane Wang <shane.wang@intel.com>
Date: Thu, 29 Apr 2010 12:09:01 -0400
Subject: [PATCH 2119/3638] KVM: VMX: enable VMXON check with SMX enabled
 (Intel TXT)

Per document, for feature control MSR:

  Bit 1 enables VMXON in SMX operation. If the bit is clear, execution
        of VMXON in SMX operation causes a general-protection exception.
  Bit 2 enables VMXON outside SMX operation. If the bit is clear, execution
        of VMXON outside SMX operation causes a general-protection exception.

This patch is to enable this kind of check with SMX for VMXON in KVM.

Signed-off-by: Shane Wang <shane.wang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/include/asm/msr-index.h |  5 +++--
 arch/x86/kernel/tboot.c          |  1 +
 arch/x86/kvm/vmx.c               | 32 +++++++++++++++++++++-----------
 include/linux/tboot.h            |  1 +
 4 files changed, 26 insertions(+), 13 deletions(-)

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index bc473acfa7f..f9324851eba 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -202,8 +202,9 @@
 #define MSR_IA32_EBL_CR_POWERON		0x0000002a
 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
 
-#define FEATURE_CONTROL_LOCKED		(1<<0)
-#define FEATURE_CONTROL_VMXON_ENABLED	(1<<2)
+#define FEATURE_CONTROL_LOCKED				(1<<0)
+#define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX	(1<<1)
+#define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX	(1<<2)
 
 #define MSR_IA32_APICBASE		0x0000001b
 #define MSR_IA32_APICBASE_BSP		(1<<8)
diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
index 86c9f91b48a..46b827778d1 100644
--- a/arch/x86/kernel/tboot.c
+++ b/arch/x86/kernel/tboot.c
@@ -46,6 +46,7 @@
 
 /* Global pointer to shared data; NULL means no measured launch. */
 struct tboot *tboot __read_mostly;
+EXPORT_SYMBOL(tboot);
 
 /* timeout for APs (in secs) to enter wait-for-SIPI state during shutdown */
 #define AP_WAIT_TIMEOUT		1
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index c4f3955c64e..d2a47aefdee 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -27,6 +27,7 @@
 #include <linux/moduleparam.h>
 #include <linux/ftrace_event.h>
 #include <linux/slab.h>
+#include <linux/tboot.h>
 #include "kvm_cache_regs.h"
 #include "x86.h"
 
@@ -1272,9 +1273,16 @@ static __init int vmx_disabled_by_bios(void)
 	u64 msr;
 
 	rdmsrl(MSR_IA32_FEATURE_CONTROL, msr);
-	return (msr & (FEATURE_CONTROL_LOCKED |
-		       FEATURE_CONTROL_VMXON_ENABLED))
-	    == FEATURE_CONTROL_LOCKED;
+	if (msr & FEATURE_CONTROL_LOCKED) {
+		if (!(msr & FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX)
+			&& tboot_enabled())
+			return 1;
+		if (!(msr & FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX)
+			&& !tboot_enabled())
+			return 1;
+	}
+
+	return 0;
 	/* locked but not enabled */
 }
 
@@ -1282,21 +1290,23 @@ static int hardware_enable(void *garbage)
 {
 	int cpu = raw_smp_processor_id();
 	u64 phys_addr = __pa(per_cpu(vmxarea, cpu));
-	u64 old;
+	u64 old, test_bits;
 
 	if (read_cr4() & X86_CR4_VMXE)
 		return -EBUSY;
 
 	INIT_LIST_HEAD(&per_cpu(vcpus_on_cpu, cpu));
 	rdmsrl(MSR_IA32_FEATURE_CONTROL, old);
-	if ((old & (FEATURE_CONTROL_LOCKED |
-		    FEATURE_CONTROL_VMXON_ENABLED))
-	    != (FEATURE_CONTROL_LOCKED |
-		FEATURE_CONTROL_VMXON_ENABLED))
+
+	test_bits = FEATURE_CONTROL_LOCKED;
+	test_bits |= FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX;
+	if (tboot_enabled())
+		test_bits |= FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX;
+
+	if ((old & test_bits) != test_bits) {
 		/* enable and lock */
-		wrmsrl(MSR_IA32_FEATURE_CONTROL, old |
-		       FEATURE_CONTROL_LOCKED |
-		       FEATURE_CONTROL_VMXON_ENABLED);
+		wrmsrl(MSR_IA32_FEATURE_CONTROL, old | test_bits);
+	}
 	write_cr4(read_cr4() | X86_CR4_VMXE); /* FIXME: not cpu hotplug safe */
 	asm volatile (ASM_VMX_VMXON_RAX
 		      : : "a"(&phys_addr), "m"(phys_addr)
diff --git a/include/linux/tboot.h b/include/linux/tboot.h
index bf2a0c74887..1dba6ee5520 100644
--- a/include/linux/tboot.h
+++ b/include/linux/tboot.h
@@ -150,6 +150,7 @@ extern int tboot_force_iommu(void);
 
 #else
 
+#define tboot_enabled()			0
 #define tboot_probe()			do { } while (0)
 #define tboot_shutdown(shutdown_type)	do { } while (0)
 #define tboot_sleep(sleep_state, pm1a_control, pm1b_control)	\

From 8facbbff071ff2b19268d3732e31badc60471e21 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Tue, 4 May 2010 12:58:32 +0300
Subject: [PATCH 2120/3638] KVM: MMU: Don't read pdptrs with mmu spinlock held
 in mmu_alloc_roots

On svm, kvm_read_pdptr() may require reading guest memory, which can sleep.

Push the spinlock into mmu_alloc_roots(), and only take it after we've read
the pdptr.

Tested-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/mmu.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 51eb6d6abd8..de996380ec2 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2065,11 +2065,13 @@ static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
 			direct = 1;
 			root_gfn = 0;
 		}
+		spin_lock(&vcpu->kvm->mmu_lock);
 		sp = kvm_mmu_get_page(vcpu, root_gfn, 0,
 				      PT64_ROOT_LEVEL, direct,
 				      ACC_ALL, NULL);
 		root = __pa(sp->spt);
 		++sp->root_count;
+		spin_unlock(&vcpu->kvm->mmu_lock);
 		vcpu->arch.mmu.root_hpa = root;
 		return 0;
 	}
@@ -2093,11 +2095,14 @@ static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
 			direct = 1;
 			root_gfn = i << 30;
 		}
+		spin_lock(&vcpu->kvm->mmu_lock);
 		sp = kvm_mmu_get_page(vcpu, root_gfn, i << 30,
 				      PT32_ROOT_LEVEL, direct,
 				      ACC_ALL, NULL);
 		root = __pa(sp->spt);
 		++sp->root_count;
+		spin_unlock(&vcpu->kvm->mmu_lock);
+
 		vcpu->arch.mmu.pae_root[i] = root | PT_PRESENT_MASK;
 	}
 	vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root);
@@ -2466,7 +2471,9 @@ int kvm_mmu_load(struct kvm_vcpu *vcpu)
 		goto out;
 	spin_lock(&vcpu->kvm->mmu_lock);
 	kvm_mmu_free_some_pages(vcpu);
+	spin_unlock(&vcpu->kvm->mmu_lock);
 	r = mmu_alloc_roots(vcpu);
+	spin_lock(&vcpu->kvm->mmu_lock);
 	mmu_sync_roots(vcpu);
 	spin_unlock(&vcpu->kvm->mmu_lock);
 	if (r)

From 9ed3c444ab8987c7b219173a2f7807e3f71e234e Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Tue, 4 May 2010 15:00:37 +0300
Subject: [PATCH 2121/3638] KVM: Fix wallclock version writing race

Wallclock writing uses an unprotected global variable to hold the version;
this can cause one guest to interfere with another if both write their
wallclock at the same time.

Acked-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index dff08e527ec..54f73b6a006 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -754,14 +754,22 @@ static int do_set_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data)
 
 static void kvm_write_wall_clock(struct kvm *kvm, gpa_t wall_clock)
 {
-	static int version;
+	int version;
+	int r;
 	struct pvclock_wall_clock wc;
 	struct timespec boot;
 
 	if (!wall_clock)
 		return;
 
-	version++;
+	r = kvm_read_guest(kvm, wall_clock, &version, sizeof(version));
+	if (r)
+		return;
+
+	if (version & 1)
+		++version;  /* first time write, random junk */
+
+	++version;
 
 	kvm_write_guest(kvm, wall_clock, &version, sizeof(version));
 

From 3f0fd2927b737c0ac2e04af7858b60d1e927d4b1 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 5 May 2010 16:04:41 +0200
Subject: [PATCH 2122/3638] KVM: x86: Fix exception reinjection forced to true

The patch merged recently which allowed to mark an exception
as reinjected has a bug as it always marks the exception as
reinjected. This breaks nested-svm shadow-on-shadow
implementation.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 54f73b6a006..161ede2b5f9 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -277,7 +277,7 @@ static void kvm_multiple_exception(struct kvm_vcpu *vcpu,
 		vcpu->arch.exception.has_error_code = has_error;
 		vcpu->arch.exception.nr = nr;
 		vcpu->arch.exception.error_code = error_code;
-		vcpu->arch.exception.reinject = true;
+		vcpu->arch.exception.reinject = reinject;
 		return;
 	}
 

From 0d945bd9351199744c1e89d57a70615b6ee9f394 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 5 May 2010 16:04:45 +0200
Subject: [PATCH 2123/3638] KVM: SVM: Don't allow nested guest to VMMCALL into
 host

This patch disables the possibility for a l2-guest to do a
VMMCALL directly into the host. This would happen if the
l1-hypervisor doesn't intercept VMMCALL and the l2-guest
executes this instruction.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/svm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2511664ff67..4a66ffe1dc8 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2036,6 +2036,9 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 		svm->vmcb->control.intercept_cr_write &= ~INTERCEPT_CR8_MASK;
 	}
 
+	/* We don't want to see VMMCALLs from a nested guest */
+	svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_VMMCALL);
+
 	/*
 	 * We don't want a nested guest to be more powerful than the guest, so
 	 * all intercepts are ORed

From b69e8caef5b190af48c525f6d715e7b7728a77f6 Mon Sep 17 00:00:00 2001
From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
Date: Thu, 6 May 2010 11:38:43 +0200
Subject: [PATCH 2124/3638] KVM: x86: Inject #GP with the right rip on efer
 writes

This patch fixes a bug in the KVM efer-msr write path. If a
guest writes to a reserved efer bit the set_efer function
injects the #GP directly. The architecture dependent wrmsr
function does not see this, assumes success and advances the
rip. This results in a #GP in the guest with the wrong rip.
This patch fixes this by reporting efer write errors back to
the architectural wrmsr function.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 31 ++++++++++++-------------------
 1 file changed, 12 insertions(+), 19 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 161ede2b5f9..fe6d126633d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -683,37 +683,29 @@ static u32 emulated_msrs[] = {
 	MSR_IA32_MISC_ENABLE,
 };
 
-static void set_efer(struct kvm_vcpu *vcpu, u64 efer)
+static int set_efer(struct kvm_vcpu *vcpu, u64 efer)
 {
-	if (efer & efer_reserved_bits) {
-		kvm_inject_gp(vcpu, 0);
-		return;
-	}
+	if (efer & efer_reserved_bits)
+		return 1;
 
 	if (is_paging(vcpu)
-	    && (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME)) {
-		kvm_inject_gp(vcpu, 0);
-		return;
-	}
+	    && (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME))
+		return 1;
 
 	if (efer & EFER_FFXSR) {
 		struct kvm_cpuid_entry2 *feat;
 
 		feat = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
-		if (!feat || !(feat->edx & bit(X86_FEATURE_FXSR_OPT))) {
-			kvm_inject_gp(vcpu, 0);
-			return;
-		}
+		if (!feat || !(feat->edx & bit(X86_FEATURE_FXSR_OPT)))
+			return 1;
 	}
 
 	if (efer & EFER_SVME) {
 		struct kvm_cpuid_entry2 *feat;
 
 		feat = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
-		if (!feat || !(feat->ecx & bit(X86_FEATURE_SVM))) {
-			kvm_inject_gp(vcpu, 0);
-			return;
-		}
+		if (!feat || !(feat->ecx & bit(X86_FEATURE_SVM)))
+			return 1;
 	}
 
 	kvm_x86_ops->set_efer(vcpu, efer);
@@ -725,6 +717,8 @@ static void set_efer(struct kvm_vcpu *vcpu, u64 efer)
 
 	vcpu->arch.mmu.base_role.nxe = (efer & EFER_NX) && !tdp_enabled;
 	kvm_mmu_reset_context(vcpu);
+
+	return 0;
 }
 
 void kvm_enable_efer_bits(u64 mask)
@@ -1153,8 +1147,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 {
 	switch (msr) {
 	case MSR_EFER:
-		set_efer(vcpu, data);
-		break;
+		return set_efer(vcpu, data);
 	case MSR_K7_HWCR:
 		data &= ~(u64)0x40;	/* ignore flush filter disable */
 		data &= ~(u64)0x100;	/* ignore ignne emulation enable */

From 424c32f1aa3112632a657d45698c8e7666668f78 Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:39 -0400
Subject: [PATCH 2125/3638] x86, paravirt: Enable pvclock flags in
 vcpu_time_info structure

This patch removes one padding byte and transform it into a flags
field. New versions of guests using pvclock will query these flags
upon each read.

Flags, however, will only be interpreted when the guest decides to.
It uses the pvclock_valid_flags function to signal that a specific
set of flags should be taken into consideration. Which flags are valid
are usually devised via HV negotiation.

Signed-off-by: Glauber Costa <glommer@redhat.com>
CC: Jeremy Fitzhardinge <jeremy@goop.org>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/pvclock-abi.h | 3 ++-
 arch/x86/include/asm/pvclock.h     | 1 +
 arch/x86/kernel/pvclock.c          | 9 +++++++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/pvclock-abi.h b/arch/x86/include/asm/pvclock-abi.h
index 6d93508f262..ec5c41ac4be 100644
--- a/arch/x86/include/asm/pvclock-abi.h
+++ b/arch/x86/include/asm/pvclock-abi.h
@@ -29,7 +29,8 @@ struct pvclock_vcpu_time_info {
 	u64   system_time;
 	u32   tsc_to_system_mul;
 	s8    tsc_shift;
-	u8    pad[3];
+	u8    flags;
+	u8    pad[2];
 } __attribute__((__packed__)); /* 32 bytes */
 
 struct pvclock_wall_clock {
diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
index 53235fd5f8c..cd02f324aa6 100644
--- a/arch/x86/include/asm/pvclock.h
+++ b/arch/x86/include/asm/pvclock.h
@@ -6,6 +6,7 @@
 
 /* some helper functions for xen and kvm pv clock sources */
 cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src);
+void pvclock_set_flags(u8 flags);
 unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src);
 void pvclock_read_wallclock(struct pvclock_wall_clock *wall,
 			    struct pvclock_vcpu_time_info *vcpu,
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index 03801f2f761..f7fdd56bc0a 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -31,8 +31,16 @@ struct pvclock_shadow_time {
 	u32 tsc_to_nsec_mul;
 	int tsc_shift;
 	u32 version;
+	u8  flags;
 };
 
+static u8 valid_flags __read_mostly = 0;
+
+void pvclock_set_flags(u8 flags)
+{
+	valid_flags = flags;
+}
+
 /*
  * Scale a 64-bit delta by scaling and multiplying by a 32-bit fraction,
  * yielding a 64-bit result.
@@ -91,6 +99,7 @@ static unsigned pvclock_get_time_values(struct pvclock_shadow_time *dst,
 		dst->system_timestamp  = src->system_time;
 		dst->tsc_to_nsec_mul   = src->tsc_to_system_mul;
 		dst->tsc_shift         = src->tsc_shift;
+		dst->flags             = src->flags;
 		rmb();		/* test version after fetching data */
 	} while ((src->version & 1) || (dst->version != src->version));
 

From 489fb490dbf8dab0249ad82b56688ae3842a79e8 Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:40 -0400
Subject: [PATCH 2126/3638] x86, paravirt: Add a global synchronization point
 for pvclock

In recent stress tests, it was found that pvclock-based systems
could seriously warp in smp systems. Using ingo's time-warp-test.c,
I could trigger a scenario as bad as 1.5mi warps a minute in some systems.
(to be fair, it wasn't that bad in most of them). Investigating further, I
found out that such warps were caused by the very offset-based calculation
pvclock is based on.

This happens even on some machines that report constant_tsc in its tsc flags,
specially on multi-socket ones.

Two reads of the same kernel timestamp at approx the same time, will likely
have tsc timestamped in different occasions too. This means the delta we
calculate is unpredictable at best, and can probably be smaller in a cpu
that is legitimately reading clock in a forward ocasion.

Some adjustments on the host could make this window less likely to happen,
but still, it pretty much poses as an intrinsic problem of the mechanism.

A while ago, I though about using a shared variable anyway, to hold clock
last state, but gave up due to the high contention locking was likely
to introduce, possibly rendering the thing useless on big machines. I argue,
however, that locking is not necessary.

We do a read-and-return sequence in pvclock, and between read and return,
the global value can have changed. However, it can only have changed
by means of an addition of a positive value. So if we detected that our
clock timestamp is less than the current global, we know that we need to
return a higher one, even though it is not exactly the one we compared to.

OTOH, if we detect we're greater than the current time source, we atomically
replace the value with our new readings. This do causes contention on big
boxes (but big here means *BIG*), but it seems like a good trade off, since
it provide us with a time source guaranteed to be stable wrt time warps.

After this patch is applied, I don't see a single warp in time during 5 days
of execution, in any of the machines I saw them before.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
CC: Jeremy Fitzhardinge <jeremy@goop.org>
CC: Avi Kivity <avi@redhat.com>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kernel/pvclock.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index f7fdd56bc0a..f5bc40e1697 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -118,11 +118,14 @@ unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src)
 	return pv_tsc_khz;
 }
 
+static atomic64_t last_value = ATOMIC64_INIT(0);
+
 cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
 {
 	struct pvclock_shadow_time shadow;
 	unsigned version;
 	cycle_t ret, offset;
+	u64 last;
 
 	do {
 		version = pvclock_get_time_values(&shadow, src);
@@ -132,6 +135,27 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
 		barrier();
 	} while (version != src->version);
 
+	/*
+	 * Assumption here is that last_value, a global accumulator, always goes
+	 * forward. If we are less than that, we should not be much smaller.
+	 * We assume there is an error marging we're inside, and then the correction
+	 * does not sacrifice accuracy.
+	 *
+	 * For reads: global may have changed between test and return,
+	 * but this means someone else updated poked the clock at a later time.
+	 * We just need to make sure we are not seeing a backwards event.
+	 *
+	 * For updates: last_value = ret is not enough, since two vcpus could be
+	 * updating at the same time, and one of them could be slightly behind,
+	 * making the assumption that last_value always go forward fail to hold.
+	 */
+	last = atomic64_read(&last_value);
+	do {
+		if (ret < last)
+			return last;
+		last = atomic64_cmpxchg(&last_value, last, ret);
+	} while (unlikely(last != ret));
+
 	return ret;
 }
 

From 11c6bffa42b85e703c21a1d2372dce7262daca8e Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:41 -0400
Subject: [PATCH 2127/3638] KVM: x86: change msr numbers for kvmclock

Avi pointed out a while ago that those MSRs falls into the pentium
PMU range. So the idea here is to add new ones, and after a while,
deprecate the old ones.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_para.h | 4 ++++
 arch/x86/kvm/x86.c              | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index ffae1420e7d..97348082782 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -20,6 +20,10 @@
 #define MSR_KVM_WALL_CLOCK  0x11
 #define MSR_KVM_SYSTEM_TIME 0x12
 
+/* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */
+#define MSR_KVM_WALL_CLOCK_NEW  0x4b564d00
+#define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
+
 #define KVM_MAX_MMU_OP_BATCH           32
 
 /* Operations for KVM_HC_MMU_OP */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fe6d126633d..73d342c69ed 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -664,9 +664,10 @@ static inline u32 bit(int bitno)
  * kvm-specific. Those are put in the beginning of the list.
  */
 
-#define KVM_SAVE_MSRS_BEGIN	5
+#define KVM_SAVE_MSRS_BEGIN	7
 static u32 msrs_to_save[] = {
 	MSR_KVM_SYSTEM_TIME, MSR_KVM_WALL_CLOCK,
+	MSR_KVM_SYSTEM_TIME_NEW, MSR_KVM_WALL_CLOCK_NEW,
 	HV_X64_MSR_GUEST_OS_ID, HV_X64_MSR_HYPERCALL,
 	HV_X64_MSR_APIC_ASSIST_PAGE,
 	MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP,
@@ -1193,10 +1194,12 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 	case MSR_IA32_MISC_ENABLE:
 		vcpu->arch.ia32_misc_enable_msr = data;
 		break;
+	case MSR_KVM_WALL_CLOCK_NEW:
 	case MSR_KVM_WALL_CLOCK:
 		vcpu->kvm->arch.wall_clock = data;
 		kvm_write_wall_clock(vcpu->kvm, data);
 		break;
+	case MSR_KVM_SYSTEM_TIME_NEW:
 	case MSR_KVM_SYSTEM_TIME: {
 		if (vcpu->arch.time_page) {
 			kvm_release_page_dirty(vcpu->arch.time_page);
@@ -1468,9 +1471,11 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
 		data = vcpu->arch.efer;
 		break;
 	case MSR_KVM_WALL_CLOCK:
+	case MSR_KVM_WALL_CLOCK_NEW:
 		data = vcpu->kvm->arch.wall_clock;
 		break;
 	case MSR_KVM_SYSTEM_TIME:
+	case MSR_KVM_SYSTEM_TIME_NEW:
 		data = vcpu->arch.time;
 		break;
 	case MSR_IA32_P5_MC_ADDR:

From 0e6ac58acbcddbc9d1687214f0d43d8657cc036c Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:42 -0400
Subject: [PATCH 2128/3638] KVM: x86: add new KVMCLOCK cpuid feature

This cpuid, KVM_CPUID_CLOCKSOURCE2, will indicate to the guest
that kvmclock is available through a new set of MSRs. The old ones
are deprecated.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_para.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index 97348082782..f019f8cb182 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -16,6 +16,10 @@
 #define KVM_FEATURE_CLOCKSOURCE		0
 #define KVM_FEATURE_NOP_IO_DELAY	1
 #define KVM_FEATURE_MMU_OP		2
+/* This indicates that the new set of kvmclock msrs
+ * are available. The use of 0x11 and 0x12 is deprecated
+ */
+#define KVM_FEATURE_CLOCKSOURCE2        3
 
 #define MSR_KVM_WALL_CLOCK  0x11
 #define MSR_KVM_SYSTEM_TIME 0x12

From 84478c829d0f474a1d6749207c53daacc305d4e1 Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:43 -0400
Subject: [PATCH 2129/3638] KVM: x86: export paravirtual cpuid flags in
 KVM_GET_SUPPORTED_CPUID

Right now, we were using individual KVM_CAP entities to communicate
userspace about which cpuids we support. This is suboptimal, since it
generates a delay between the feature arriving in the host, and
being available at the guest.

A much better mechanism is to list para features in KVM_GET_SUPPORTED_CPUID.
This makes userspace automatically aware of what we provide. And if we
ever add a new cpuid bit in the future, we have to do that again,
which create some complexity and delay in feature adoption.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 73d342c69ed..419c4512e27 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1972,6 +1972,23 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 		}
 		break;
 	}
+	case KVM_CPUID_SIGNATURE: {
+		char signature[12] = "KVMKVMKVM\0\0";
+		u32 *sigptr = (u32 *)signature;
+		entry->eax = 0;
+		entry->ebx = sigptr[0];
+		entry->ecx = sigptr[1];
+		entry->edx = sigptr[2];
+		break;
+	}
+	case KVM_CPUID_FEATURES:
+		entry->eax = (1 << KVM_FEATURE_CLOCKSOURCE) |
+			     (1 << KVM_FEATURE_NOP_IO_DELAY) |
+			     (1 << KVM_FEATURE_CLOCKSOURCE2);
+		entry->ebx = 0;
+		entry->ecx = 0;
+		entry->edx = 0;
+		break;
 	case 0x80000000:
 		entry->eax = min(entry->eax, 0x8000001a);
 		break;
@@ -2018,6 +2035,23 @@ static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid,
 	for (func = 0x80000001; func <= limit && nent < cpuid->nent; ++func)
 		do_cpuid_ent(&cpuid_entries[nent], func, 0,
 			     &nent, cpuid->nent);
+
+
+
+	r = -E2BIG;
+	if (nent >= cpuid->nent)
+		goto out_free;
+
+	do_cpuid_ent(&cpuid_entries[nent], KVM_CPUID_SIGNATURE, 0, &nent,
+		     cpuid->nent);
+
+	r = -E2BIG;
+	if (nent >= cpuid->nent)
+		goto out_free;
+
+	do_cpuid_ent(&cpuid_entries[nent], KVM_CPUID_FEATURES, 0, &nent,
+		     cpuid->nent);
+
 	r = -E2BIG;
 	if (nent >= cpuid->nent)
 		goto out_free;

From 838815a78785022f6611e5c48386567aea7b818b Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:44 -0400
Subject: [PATCH 2130/3638] x86: KVM guest: Try using new kvm clock msrs

We now added a new set of clock-related msrs in replacement of the old
ones. In theory, we could just try to use them and get a return value
indicating they do not exist, due to our use of kvm_write_msr_save.

However, kvm clock registration happens very early, and if we ever
try to write to a non-existant MSR, we raise a lethal #GP, since our
idt handlers are not in place yet.

So this patch tests for a cpuid feature exported by the host to
decide which set of msrs are supported.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kernel/kvmclock.c | 53 +++++++++++++++++++++++---------------
 1 file changed, 32 insertions(+), 21 deletions(-)

diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index feaeb0d3aa4..59c740fcb9b 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -29,6 +29,8 @@
 #define KVM_SCALE 22
 
 static int kvmclock = 1;
+static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME;
+static int msr_kvm_wall_clock = MSR_KVM_WALL_CLOCK;
 
 static int parse_no_kvmclock(char *arg)
 {
@@ -54,7 +56,8 @@ static unsigned long kvm_get_wallclock(void)
 
 	low = (int)__pa_symbol(&wall_clock);
 	high = ((u64)__pa_symbol(&wall_clock) >> 32);
-	native_write_msr(MSR_KVM_WALL_CLOCK, low, high);
+
+	native_write_msr(msr_kvm_wall_clock, low, high);
 
 	vcpu_time = &get_cpu_var(hv_clock);
 	pvclock_read_wallclock(&wall_clock, vcpu_time, &ts);
@@ -130,7 +133,8 @@ static int kvm_register_clock(char *txt)
 	high = ((u64)__pa(&per_cpu(hv_clock, cpu)) >> 32);
 	printk(KERN_INFO "kvm-clock: cpu %d, msr %x:%x, %s\n",
 	       cpu, high, low, txt);
-	return native_write_msr_safe(MSR_KVM_SYSTEM_TIME, low, high);
+
+	return native_write_msr_safe(msr_kvm_system_time, low, high);
 }
 
 #ifdef CONFIG_X86_LOCAL_APIC
@@ -165,14 +169,14 @@ static void __init kvm_smp_prepare_boot_cpu(void)
 #ifdef CONFIG_KEXEC
 static void kvm_crash_shutdown(struct pt_regs *regs)
 {
-	native_write_msr_safe(MSR_KVM_SYSTEM_TIME, 0, 0);
+	native_write_msr(msr_kvm_system_time, 0, 0);
 	native_machine_crash_shutdown(regs);
 }
 #endif
 
 static void kvm_shutdown(void)
 {
-	native_write_msr_safe(MSR_KVM_SYSTEM_TIME, 0, 0);
+	native_write_msr(msr_kvm_system_time, 0, 0);
 	native_machine_shutdown();
 }
 
@@ -181,27 +185,34 @@ void __init kvmclock_init(void)
 	if (!kvm_para_available())
 		return;
 
-	if (kvmclock && kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE)) {
-		if (kvm_register_clock("boot clock"))
-			return;
-		pv_time_ops.sched_clock = kvm_clock_read;
-		x86_platform.calibrate_tsc = kvm_get_tsc_khz;
-		x86_platform.get_wallclock = kvm_get_wallclock;
-		x86_platform.set_wallclock = kvm_set_wallclock;
+	if (kvmclock && kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE2)) {
+		msr_kvm_system_time = MSR_KVM_SYSTEM_TIME_NEW;
+		msr_kvm_wall_clock = MSR_KVM_WALL_CLOCK_NEW;
+	} else if (!(kvmclock && kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE)))
+		return;
+
+	printk(KERN_INFO "kvm-clock: Using msrs %x and %x",
+		msr_kvm_system_time, msr_kvm_wall_clock);
+
+	if (kvm_register_clock("boot clock"))
+		return;
+	pv_time_ops.sched_clock = kvm_clock_read;
+	x86_platform.calibrate_tsc = kvm_get_tsc_khz;
+	x86_platform.get_wallclock = kvm_get_wallclock;
+	x86_platform.set_wallclock = kvm_set_wallclock;
 #ifdef CONFIG_X86_LOCAL_APIC
-		x86_cpuinit.setup_percpu_clockev =
-			kvm_setup_secondary_clock;
+	x86_cpuinit.setup_percpu_clockev =
+		kvm_setup_secondary_clock;
 #endif
 #ifdef CONFIG_SMP
-		smp_ops.smp_prepare_boot_cpu = kvm_smp_prepare_boot_cpu;
+	smp_ops.smp_prepare_boot_cpu = kvm_smp_prepare_boot_cpu;
 #endif
-		machine_ops.shutdown  = kvm_shutdown;
+	machine_ops.shutdown  = kvm_shutdown;
 #ifdef CONFIG_KEXEC
-		machine_ops.crash_shutdown  = kvm_crash_shutdown;
+	machine_ops.crash_shutdown  = kvm_crash_shutdown;
 #endif
-		kvm_get_preset_lpj();
-		clocksource_register(&kvm_clock);
-		pv_info.paravirt_enabled = 1;
-		pv_info.name = "KVM";
-	}
+	kvm_get_preset_lpj();
+	clocksource_register(&kvm_clock);
+	pv_info.paravirt_enabled = 1;
+	pv_info.name = "KVM";
 }

From 3a0d7256a6fb8c13f9fac6cd63250f97a8f0d8de Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:45 -0400
Subject: [PATCH 2131/3638] x86, paravirt: don't compute pvclock adjustments if
 we trust the tsc

If the HV told us we can fully trust the TSC, skip any
correction

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/include/asm/kvm_para.h    | 5 +++++
 arch/x86/include/asm/pvclock-abi.h | 1 +
 arch/x86/kernel/kvmclock.c         | 3 +++
 arch/x86/kernel/pvclock.c          | 4 ++++
 4 files changed, 13 insertions(+)

diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index f019f8cb182..05eba5e9a8e 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -21,6 +21,11 @@
  */
 #define KVM_FEATURE_CLOCKSOURCE2        3
 
+/* The last 8 bits are used to indicate how to interpret the flags field
+ * in pvclock structure. If no bits are set, all flags are ignored.
+ */
+#define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT	24
+
 #define MSR_KVM_WALL_CLOCK  0x11
 #define MSR_KVM_SYSTEM_TIME 0x12
 
diff --git a/arch/x86/include/asm/pvclock-abi.h b/arch/x86/include/asm/pvclock-abi.h
index ec5c41ac4be..35f2d1948ad 100644
--- a/arch/x86/include/asm/pvclock-abi.h
+++ b/arch/x86/include/asm/pvclock-abi.h
@@ -39,5 +39,6 @@ struct pvclock_wall_clock {
 	u32   nsec;
 } __attribute__((__packed__));
 
+#define PVCLOCK_TSC_STABLE_BIT	(1 << 0)
 #endif /* __ASSEMBLY__ */
 #endif /* _ASM_X86_PVCLOCK_ABI_H */
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 59c740fcb9b..eb9b76c716c 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -215,4 +215,7 @@ void __init kvmclock_init(void)
 	clocksource_register(&kvm_clock);
 	pv_info.paravirt_enabled = 1;
 	pv_info.name = "KVM";
+
+	if (kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE_STABLE_BIT))
+		pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT);
 }
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index f5bc40e1697..239427ca02a 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -135,6 +135,10 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
 		barrier();
 	} while (version != src->version);
 
+	if ((valid_flags & PVCLOCK_TSC_STABLE_BIT) &&
+		(shadow.flags & PVCLOCK_TSC_STABLE_BIT))
+		return ret;
+
 	/*
 	 * Assumption here is that last_value, a global accumulator, always goes
 	 * forward. If we are less than that, we should not be much smaller.

From 371bcf646d170ee1325abaf4f3e73485b4fd4d2d Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:46 -0400
Subject: [PATCH 2132/3638] KVM: x86: Tell the guest we'll warn it about tsc
 stability

This patch puts up the flag that tells the guest that we'll warn it
about the tsc being trustworthy or not. By now, we also say
it is not.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 419c4512e27..474a27fc42d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -857,6 +857,8 @@ static void kvm_write_guest_time(struct kvm_vcpu *v)
 	vcpu->hv_clock.system_time = ts.tv_nsec +
 				     (NSEC_PER_SEC * (u64)ts.tv_sec) + v->kvm->arch.kvmclock_offset;
 
+	vcpu->hv_clock.flags = 0;
+
 	/*
 	 * The interface expects us to write an even number signaling that the
 	 * update is finished. Since the guest won't see the intermediate
@@ -1984,7 +1986,8 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 	case KVM_CPUID_FEATURES:
 		entry->eax = (1 << KVM_FEATURE_CLOCKSOURCE) |
 			     (1 << KVM_FEATURE_NOP_IO_DELAY) |
-			     (1 << KVM_FEATURE_CLOCKSOURCE2);
+			     (1 << KVM_FEATURE_CLOCKSOURCE2) |
+			     (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT);
 		entry->ebx = 0;
 		entry->ecx = 0;
 		entry->edx = 0;

From 09c9e81366b9167b88ff05cf29fa94dc3553eb3d Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 12:17:47 -0400
Subject: [PATCH 2133/3638] KVM: Add cpuid.txt file

This file documents cpuid bits used by KVM.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 Documentation/kvm/cpuid.txt | 42 +++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/kvm/cpuid.txt

diff --git a/Documentation/kvm/cpuid.txt b/Documentation/kvm/cpuid.txt
new file mode 100644
index 00000000000..14a12ea92b7
--- /dev/null
+++ b/Documentation/kvm/cpuid.txt
@@ -0,0 +1,42 @@
+KVM CPUID bits
+Glauber Costa <glommer@redhat.com>, Red Hat Inc, 2010
+=====================================================
+
+A guest running on a kvm host, can check some of its features using
+cpuid. This is not always guaranteed to work, since userspace can
+mask-out some, or even all KVM-related cpuid features before launching
+a guest.
+
+KVM cpuid functions are:
+
+function: KVM_CPUID_SIGNATURE (0x40000000)
+returns : eax = 0,
+          ebx = 0x4b4d564b,
+          ecx = 0x564b4d56,
+          edx = 0x4d.
+Note that this value in ebx, ecx and edx corresponds to the string "KVMKVMKVM".
+This function queries the presence of KVM cpuid leafs.
+
+
+function: define KVM_CPUID_FEATURES (0x40000001)
+returns : ebx, ecx, edx = 0
+          eax = and OR'ed group of (1 << flag), where each flags is:
+
+
+flag                               || value || meaning
+=============================================================================
+KVM_FEATURE_CLOCKSOURCE            ||     0 || kvmclock available at msrs
+                                   ||       || 0x11 and 0x12.
+------------------------------------------------------------------------------
+KVM_FEATURE_NOP_IO_DELAY           ||     1 || not necessary to perform delays
+                                   ||       || on PIO operations.
+------------------------------------------------------------------------------
+KVM_FEATURE_MMU_OP                 ||     2 || deprecated.
+------------------------------------------------------------------------------
+KVM_FEATURE_CLOCKSOURCE2           ||     3 || kvmclock available at msrs
+                                   ||       || 0x4b564d00 and 0x4b564d01
+------------------------------------------------------------------------------
+KVM_FEATURE_CLOCKSOURCE_STABLE_BIT ||    24 || host will warn if no guest-side
+                                   ||       || per-cpu warps are expected in
+                                   ||       || kvmclock.
+------------------------------------------------------------------------------

From f78e917688edbf1f14c318d2e50dc8e7dad20445 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 12 May 2010 00:28:44 +0300
Subject: [PATCH 2134/3638] KVM: Don't allow lmsw to clear cr0.pe

The current lmsw implementation allows the guest to clear cr0.pe, contrary
to the manual, which breaks EMM386.EXE.

Fix by ORing the old cr0.pe with lmsw's operand.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 474a27fc42d..fa1c5192559 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -470,7 +470,7 @@ EXPORT_SYMBOL_GPL(kvm_set_cr0);
 
 void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw)
 {
-	kvm_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~0x0ful) | (msw & 0x0f));
+	kvm_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~0x0eul) | (msw & 0x0f));
 }
 EXPORT_SYMBOL_GPL(kvm_lmsw);
 

From a3d204e28579427609c3d15d2310127ebaa47d94 Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng@linux.intel.com>
Date: Wed, 12 May 2010 16:40:40 +0800
Subject: [PATCH 2135/3638] KVM: x86: Check LMA bit before set_efer

kvm_x86_ops->set_efer() would execute vcpu->arch.efer = efer, so the
checking of LMA bit didn't work.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/x86.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fa1c5192559..f0846d2aa95 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -709,11 +709,11 @@ static int set_efer(struct kvm_vcpu *vcpu, u64 efer)
 			return 1;
 	}
 
-	kvm_x86_ops->set_efer(vcpu, efer);
-
 	efer &= ~EFER_LMA;
 	efer |= vcpu->arch.efer & EFER_LMA;
 
+	kvm_x86_ops->set_efer(vcpu, efer);
+
 	vcpu->arch.efer = efer;
 
 	vcpu->arch.mmu.base_role.nxe = (efer & EFER_NX) && !tdp_enabled;

From 3dbe141595faa48a067add3e47bba3205b79d33c Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Wed, 12 May 2010 11:48:18 +0300
Subject: [PATCH 2136/3638] KVM: MMU: Segregate shadow pages with different
 cr0.wp

When cr0.wp=0, we may shadow a gpte having u/s=1 and r/w=0 with an spte
having u/s=0 and r/w=1.  This allows excessive access if the guest sets
cr0.wp=1 and accesses through this spte.

Fix by making cr0.wp part of the base role; we'll have different sptes for
the two cases and the problem disappears.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 Documentation/kvm/mmu.txt       | 2 ++
 arch/x86/include/asm/kvm_host.h | 1 +
 arch/x86/kvm/mmu.c              | 3 ++-
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/kvm/mmu.txt b/Documentation/kvm/mmu.txt
index 0cc28fb84f4..aaed6ab9d7a 100644
--- a/Documentation/kvm/mmu.txt
+++ b/Documentation/kvm/mmu.txt
@@ -163,6 +163,8 @@ Shadow pages contain the following information:
     32-bit or 64-bit gptes are in use).
   role.cr4_nxe:
     Contains the value of efer.nxe for which the page is valid.
+  role.cr0_wp:
+    Contains the value of cr0.wp for which the page is valid.
   gfn:
     Either the guest page table containing the translations shadowed by this
     page, or the base page frame for linear translations.  See role.direct.
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 3f0007b076d..76f5483cffe 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -179,6 +179,7 @@ union kvm_mmu_page_role {
 		unsigned access:3;
 		unsigned invalid:1;
 		unsigned nxe:1;
+		unsigned cr0_wp:1;
 	};
 };
 
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index de996380ec2..81563e76e28 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -217,7 +217,7 @@ void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
 }
 EXPORT_SYMBOL_GPL(kvm_mmu_set_mask_ptes);
 
-static int is_write_protection(struct kvm_vcpu *vcpu)
+static bool is_write_protection(struct kvm_vcpu *vcpu)
 {
 	return kvm_read_cr0_bits(vcpu, X86_CR0_WP);
 }
@@ -2432,6 +2432,7 @@ static int init_kvm_softmmu(struct kvm_vcpu *vcpu)
 		r = paging32_init_context(vcpu);
 
 	vcpu->arch.mmu.base_role.cr4_pae = !!is_pae(vcpu);
+	vcpu->arch.mmu.base_role.cr0_wp = is_write_protection(vcpu);
 
 	return r;
 }

From 98001d8d017cea1ee0f9f35c6227bbd63ef5005b Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 13 May 2010 11:05:49 +0300
Subject: [PATCH 2137/3638] KVM: PPC: Add missing vcpu_load()/vcpu_put() in
 vcpu ioctls

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/kvm/book3s.c | 10 ++++++++++
 arch/powerpc/kvm/booke.c  | 15 ++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 11f226ff446..b998abf1a63 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1110,6 +1110,8 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
 	struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
 	int i;
 
+	vcpu_load(vcpu);
+
 	sregs->pvr = vcpu->arch.pvr;
 
 	sregs->u.s.sdr1 = to_book3s(vcpu)->sdr1;
@@ -1128,6 +1130,9 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
 			sregs->u.s.ppc32.dbat[i] = vcpu3s->dbat[i].raw;
 		}
 	}
+
+	vcpu_put(vcpu);
+
 	return 0;
 }
 
@@ -1137,6 +1142,8 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 	struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
 	int i;
 
+	vcpu_load(vcpu);
+
 	kvmppc_set_pvr(vcpu, sregs->pvr);
 
 	vcpu3s->sdr1 = sregs->u.s.sdr1;
@@ -1163,6 +1170,9 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 
 	/* Flush the MMU after messing with the segments */
 	kvmppc_mmu_pte_flush(vcpu, 0, 0);
+
+	vcpu_put(vcpu);
+
 	return 0;
 }
 
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index c9222407102..a33ab8cc2cc 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -485,6 +485,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 {
 	int i;
 
+	vcpu_load(vcpu);
+
 	regs->pc = vcpu->arch.pc;
 	regs->cr = kvmppc_get_cr(vcpu);
 	regs->ctr = vcpu->arch.ctr;
@@ -505,6 +507,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
 		regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
 
+	vcpu_put(vcpu);
+
 	return 0;
 }
 
@@ -512,6 +516,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 {
 	int i;
 
+	vcpu_load(vcpu);
+
 	vcpu->arch.pc = regs->pc;
 	kvmppc_set_cr(vcpu, regs->cr);
 	vcpu->arch.ctr = regs->ctr;
@@ -531,6 +537,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
 		kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
 
+	vcpu_put(vcpu);
+
 	return 0;
 }
 
@@ -559,7 +567,12 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
                                   struct kvm_translation *tr)
 {
-	return kvmppc_core_vcpu_translate(vcpu, tr);
+	int r;
+
+	vcpu_load(vcpu);
+	r = kvmppc_core_vcpu_translate(vcpu, tr);
+	vcpu_put(vcpu);
+	return r;
 }
 
 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log)

From 8fbf065d625617bbbf6b72d5f78f84ad13c8b547 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 13 May 2010 11:50:19 +0300
Subject: [PATCH 2138/3638] KVM: x86: Add missing locking to arch specific vcpu
 ioctls

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f0846d2aa95..39f49580205 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1833,6 +1833,7 @@ static int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu,
 {
 	int r;
 
+	vcpu_load(vcpu);
 	r = -E2BIG;
 	if (cpuid->nent < vcpu->arch.cpuid_nent)
 		goto out;
@@ -1844,6 +1845,7 @@ static int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu,
 
 out:
 	cpuid->nent = vcpu->arch.cpuid_nent;
+	vcpu_put(vcpu);
 	return r;
 }
 
@@ -2134,6 +2136,7 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
 	int r;
 	unsigned bank_num = mcg_cap & 0xff, bank;
 
+	vcpu_load(vcpu);
 	r = -EINVAL;
 	if (!bank_num || bank_num >= KVM_MAX_MCE_BANKS)
 		goto out;
@@ -2148,6 +2151,7 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
 	for (bank = 0; bank < bank_num; bank++)
 		vcpu->arch.mce_banks[bank*4] = ~(u64)0;
 out:
+	vcpu_put(vcpu);
 	return r;
 }
 
@@ -2456,7 +2460,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
 		r = -EFAULT;
 		if (copy_from_user(&mce, argp, sizeof mce))
 			goto out;
+		vcpu_load(vcpu);
 		r = kvm_vcpu_ioctl_x86_set_mce(vcpu, &mce);
+		vcpu_put(vcpu);
 		break;
 	}
 	case KVM_GET_VCPU_EVENTS: {

From d5e4aaefd99797929e4455db48d8f9a8728f05f4 Mon Sep 17 00:00:00 2001
From: Lee Nipper <lee.nipper@gmail.com>
Date: Wed, 19 May 2010 19:18:38 +1000
Subject: [PATCH 2139/3638] crypto: talitos - prepare for adding ahash
 algorithms

No functional changes.
Use a union in talitos_alg_template for the crypto_alg
so that we can add a member later for ahash_alg.

Signed-off-by: Lee Nipper <lee.nipper@gmail.com>
Acked-By: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/talitos.c | 39 +++++++++++++++++++++------------------
 1 file changed, 21 insertions(+), 18 deletions(-)

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index dc558a09731..ce38b05c8de 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1479,14 +1479,17 @@ static int ablkcipher_decrypt(struct ablkcipher_request *areq)
 }
 
 struct talitos_alg_template {
-	struct crypto_alg alg;
+	u32 type;
+	union {
+		struct crypto_alg crypto;
+	} alg;
 	__be32 desc_hdr_template;
 };
 
 static struct talitos_alg_template driver_algs[] = {
 	/* AEAD algorithms.  These use a single-pass ipsec_esp descriptor */
-	{
-		.alg = {
+	{	.type = CRYPTO_ALG_TYPE_AEAD,
+		.alg.crypto = {
 			.cra_name = "authenc(hmac(sha1),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-sha1-cbc-aes-talitos",
 			.cra_blocksize = AES_BLOCK_SIZE,
@@ -1511,8 +1514,8 @@ static struct talitos_alg_template driver_algs[] = {
 		                     DESC_HDR_MODE1_MDEU_PAD |
 		                     DESC_HDR_MODE1_MDEU_SHA1_HMAC,
 	},
-	{
-		.alg = {
+	{	.type = CRYPTO_ALG_TYPE_AEAD,
+		.alg.crypto = {
 			.cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-sha1-cbc-3des-talitos",
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1538,8 +1541,8 @@ static struct talitos_alg_template driver_algs[] = {
 		                     DESC_HDR_MODE1_MDEU_PAD |
 		                     DESC_HDR_MODE1_MDEU_SHA1_HMAC,
 	},
-	{
-		.alg = {
+	{	.type = CRYPTO_ALG_TYPE_AEAD,
+		.alg.crypto = {
 			.cra_name = "authenc(hmac(sha256),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-sha256-cbc-aes-talitos",
 			.cra_blocksize = AES_BLOCK_SIZE,
@@ -1564,8 +1567,8 @@ static struct talitos_alg_template driver_algs[] = {
 		                     DESC_HDR_MODE1_MDEU_PAD |
 		                     DESC_HDR_MODE1_MDEU_SHA256_HMAC,
 	},
-	{
-		.alg = {
+	{	.type = CRYPTO_ALG_TYPE_AEAD,
+		.alg.crypto = {
 			.cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-sha256-cbc-3des-talitos",
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1591,8 +1594,8 @@ static struct talitos_alg_template driver_algs[] = {
 		                     DESC_HDR_MODE1_MDEU_PAD |
 		                     DESC_HDR_MODE1_MDEU_SHA256_HMAC,
 	},
-	{
-		.alg = {
+	{	.type = CRYPTO_ALG_TYPE_AEAD,
+		.alg.crypto = {
 			.cra_name = "authenc(hmac(md5),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-md5-cbc-aes-talitos",
 			.cra_blocksize = AES_BLOCK_SIZE,
@@ -1617,8 +1620,8 @@ static struct talitos_alg_template driver_algs[] = {
 		                     DESC_HDR_MODE1_MDEU_PAD |
 		                     DESC_HDR_MODE1_MDEU_MD5_HMAC,
 	},
-	{
-		.alg = {
+	{	.type = CRYPTO_ALG_TYPE_AEAD,
+		.alg.crypto = {
 			.cra_name = "authenc(hmac(md5),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-md5-cbc-3des-talitos",
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1645,8 +1648,8 @@ static struct talitos_alg_template driver_algs[] = {
 		                     DESC_HDR_MODE1_MDEU_MD5_HMAC,
 	},
 	/* ABLKCIPHER algorithms. */
-	{
-		.alg = {
+	{	.type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+		.alg.crypto = {
 			.cra_name = "cbc(aes)",
 			.cra_driver_name = "cbc-aes-talitos",
 			.cra_blocksize = AES_BLOCK_SIZE,
@@ -1667,8 +1670,8 @@ static struct talitos_alg_template driver_algs[] = {
 				     DESC_HDR_SEL0_AESU |
 				     DESC_HDR_MODE0_AESU_CBC,
 	},
-	{
-		.alg = {
+	{	.type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+		.alg.crypto = {
 			.cra_name = "cbc(des3_ede)",
 			.cra_driver_name = "cbc-3des-talitos",
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1789,7 +1792,7 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
 		return ERR_PTR(-ENOMEM);
 
 	alg = &t_alg->crypto_alg;
-	*alg = template->alg;
+	*alg = template->alg.crypto;
 
 	alg->cra_module = THIS_MODULE;
 	alg->cra_init = talitos_cra_init;

From acbf7c627fb59dfea975f7aafeaba97921085061 Mon Sep 17 00:00:00 2001
From: Lee Nipper <lee.nipper@gmail.com>
Date: Wed, 19 May 2010 19:19:33 +1000
Subject: [PATCH 2140/3638] crypto: talitos - second prepare step for adding
 ahash algorithms

Used talitos_alg_template in talitos_crypto_alg
so that it will accommodate ahash algorithms.
Added some preparation code for ahash allocation and removal.
No actual algorithms yet.

Signed-off-by: Lee Nipper <lee.nipper@gmail.com>
Acked-By: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/talitos.c | 55 +++++++++++++++++++++++++++++++---------
 1 file changed, 43 insertions(+), 12 deletions(-)

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index ce38b05c8de..4e8153a839a 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -46,6 +46,8 @@
 #include <crypto/aead.h>
 #include <crypto/authenc.h>
 #include <crypto/skcipher.h>
+#include <crypto/hash.h>
+#include <crypto/internal/hash.h>
 #include <crypto/scatterwalk.h>
 
 #include "talitos.h"
@@ -1482,6 +1484,7 @@ struct talitos_alg_template {
 	u32 type;
 	union {
 		struct crypto_alg crypto;
+		struct ahash_alg hash;
 	} alg;
 	__be32 desc_hdr_template;
 };
@@ -1698,8 +1701,7 @@ static struct talitos_alg_template driver_algs[] = {
 struct talitos_crypto_alg {
 	struct list_head entry;
 	struct device *dev;
-	__be32 desc_hdr_template;
-	struct crypto_alg crypto_alg;
+	struct talitos_alg_template algt;
 };
 
 static int talitos_cra_init(struct crypto_tfm *tfm)
@@ -1708,13 +1710,14 @@ static int talitos_cra_init(struct crypto_tfm *tfm)
 	struct talitos_crypto_alg *talitos_alg;
 	struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	talitos_alg =  container_of(alg, struct talitos_crypto_alg, crypto_alg);
+	talitos_alg =  container_of(alg, struct talitos_crypto_alg,
+				    algt.alg.crypto);
 
 	/* update context with ptr to dev */
 	ctx->dev = talitos_alg->dev;
 
 	/* copy descriptor header template value */
-	ctx->desc_hdr_template = talitos_alg->desc_hdr_template;
+	ctx->desc_hdr_template = talitos_alg->algt.desc_hdr_template;
 
 	/* random first IV */
 	get_random_bytes(ctx->iv, TALITOS_MAX_IV_LENGTH);
@@ -1750,7 +1753,15 @@ static int talitos_remove(struct of_device *ofdev)
 	int i;
 
 	list_for_each_entry_safe(t_alg, n, &priv->alg_list, entry) {
-		crypto_unregister_alg(&t_alg->crypto_alg);
+		switch (t_alg->algt.type) {
+		case CRYPTO_ALG_TYPE_ABLKCIPHER:
+		case CRYPTO_ALG_TYPE_AEAD:
+			crypto_unregister_alg(&t_alg->algt.alg.crypto);
+			break;
+		case CRYPTO_ALG_TYPE_AHASH:
+			crypto_unregister_ahash(&t_alg->algt.alg.hash);
+			break;
+		}
 		list_del(&t_alg->entry);
 		kfree(t_alg);
 	}
@@ -1791,8 +1802,16 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
 	if (!t_alg)
 		return ERR_PTR(-ENOMEM);
 
-	alg = &t_alg->crypto_alg;
-	*alg = template->alg.crypto;
+	t_alg->algt = *template;
+
+	switch (t_alg->algt.type) {
+	case CRYPTO_ALG_TYPE_ABLKCIPHER:
+	case CRYPTO_ALG_TYPE_AEAD:
+		alg = &t_alg->algt.alg.crypto;
+		break;
+	case CRYPTO_ALG_TYPE_AHASH:
+		alg = &t_alg->algt.alg.hash.halg.base;
+	}
 
 	alg->cra_module = THIS_MODULE;
 	alg->cra_init = talitos_cra_init;
@@ -1800,7 +1819,6 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
 	alg->cra_alignmask = 0;
 	alg->cra_ctxsize = sizeof(struct talitos_ctx);
 
-	t_alg->desc_hdr_template = template->desc_hdr_template;
 	t_alg->dev = dev;
 
 	return t_alg;
@@ -1934,6 +1952,7 @@ static int talitos_probe(struct of_device *ofdev,
 	for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
 		if (hw_supports(dev, driver_algs[i].desc_hdr_template)) {
 			struct talitos_crypto_alg *t_alg;
+			char *name = NULL;
 
 			t_alg = talitos_alg_alloc(dev, &driver_algs[i]);
 			if (IS_ERR(t_alg)) {
@@ -1941,15 +1960,27 @@ static int talitos_probe(struct of_device *ofdev,
 				goto err_out;
 			}
 
-			err = crypto_register_alg(&t_alg->crypto_alg);
+			switch (t_alg->algt.type) {
+			case CRYPTO_ALG_TYPE_ABLKCIPHER:
+			case CRYPTO_ALG_TYPE_AEAD:
+				err = crypto_register_alg(
+						&t_alg->algt.alg.crypto);
+				name = t_alg->algt.alg.crypto.cra_driver_name;
+				break;
+			case CRYPTO_ALG_TYPE_AHASH:
+				err = crypto_register_ahash(
+						&t_alg->algt.alg.hash);
+				name =
+				 t_alg->algt.alg.hash.halg.base.cra_driver_name;
+				break;
+			}
 			if (err) {
 				dev_err(dev, "%s alg registration failed\n",
-					t_alg->crypto_alg.cra_driver_name);
+					name);
 				kfree(t_alg);
 			} else {
 				list_add_tail(&t_alg->entry, &priv->alg_list);
-				dev_info(dev, "%s\n",
-					 t_alg->crypto_alg.cra_driver_name);
+				dev_info(dev, "%s\n", name);
 			}
 		}
 	}

From 497f2e6b8b21407625a4fb34bc04b50eff098085 Mon Sep 17 00:00:00 2001
From: Lee Nipper <lee.nipper@gmail.com>
Date: Wed, 19 May 2010 19:20:36 +1000
Subject: [PATCH 2141/3638] crypto: talitos - add hash algorithms

Add the following alorithms to talitos:
    md5,
    sha1,
    sha256,
    sha384,
    sha512.
These are all type ahash.

Signed-off-by: Lee Nipper <lee.nipper@gmail.com>
Acked-By: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/talitos.c | 544 +++++++++++++++++++++++++++++++++++++--
 drivers/crypto/talitos.h |   8 +
 2 files changed, 534 insertions(+), 18 deletions(-)

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 4e8153a839a..1b08a3951fb 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -43,6 +43,7 @@
 #include <crypto/aes.h>
 #include <crypto/des.h>
 #include <crypto/sha.h>
+#include <crypto/md5.h>
 #include <crypto/aead.h>
 #include <crypto/authenc.h>
 #include <crypto/skcipher.h>
@@ -67,6 +68,13 @@ struct talitos_ptr {
 	__be32 ptr;	/* address */
 };
 
+static const struct talitos_ptr zero_entry = {
+	.len = 0,
+	.j_extent = 0,
+	.eptr = 0,
+	.ptr = 0
+};
+
 /* descriptor */
 struct talitos_desc {
 	__be32 hdr;			/* header high bits */
@@ -694,7 +702,7 @@ static void talitos_unregister_rng(struct device *dev)
 #define TALITOS_MAX_KEY_SIZE		64
 #define TALITOS_MAX_IV_LENGTH		16 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
 
-#define MD5_DIGEST_SIZE   16
+#define MD5_BLOCK_SIZE    64
 
 struct talitos_ctx {
 	struct device *dev;
@@ -707,6 +715,22 @@ struct talitos_ctx {
 	unsigned int authsize;
 };
 
+#define HASH_MAX_BLOCK_SIZE		SHA512_BLOCK_SIZE
+#define TALITOS_MDEU_MAX_CONTEXT_SIZE	TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512
+
+struct talitos_ahash_req_ctx {
+	u64 count;
+	u8 hw_context[TALITOS_MDEU_MAX_CONTEXT_SIZE];
+	unsigned int hw_context_size;
+	u8 buf[HASH_MAX_BLOCK_SIZE];
+	u8 bufnext[HASH_MAX_BLOCK_SIZE];
+	unsigned int first;
+	unsigned int last;
+	unsigned int to_hash_later;
+	struct scatterlist bufsl[2];
+	struct scatterlist *psrc;
+};
+
 static int aead_setauthsize(struct crypto_aead *authenc,
 			    unsigned int authsize)
 {
@@ -823,10 +847,14 @@ static void talitos_sg_unmap(struct device *dev,
 		else
 			dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE);
 
-		if (edesc->dst_is_chained)
-			talitos_unmap_sg_chain(dev, dst, DMA_FROM_DEVICE);
-		else
-			dma_unmap_sg(dev, dst, dst_nents, DMA_FROM_DEVICE);
+		if (dst) {
+			if (edesc->dst_is_chained)
+				talitos_unmap_sg_chain(dev, dst,
+						       DMA_FROM_DEVICE);
+			else
+				dma_unmap_sg(dev, dst, dst_nents,
+					     DMA_FROM_DEVICE);
+		}
 	} else
 		if (edesc->src_is_chained)
 			talitos_unmap_sg_chain(dev, src, DMA_BIDIRECTIONAL);
@@ -1116,12 +1144,67 @@ static int sg_count(struct scatterlist *sg_list, int nbytes, int *chained)
 	return sg_nents;
 }
 
+/**
+ * sg_copy_end_to_buffer - Copy end data from SG list to a linear buffer
+ * @sgl:		 The SG list
+ * @nents:		 Number of SG entries
+ * @buf:		 Where to copy to
+ * @buflen:		 The number of bytes to copy
+ * @skip:		 The number of bytes to skip before copying.
+ *                       Note: skip + buflen should equal SG total size.
+ *
+ * Returns the number of copied bytes.
+ *
+ **/
+static size_t sg_copy_end_to_buffer(struct scatterlist *sgl, unsigned int nents,
+				    void *buf, size_t buflen, unsigned int skip)
+{
+	unsigned int offset = 0;
+	unsigned int boffset = 0;
+	struct sg_mapping_iter miter;
+	unsigned long flags;
+	unsigned int sg_flags = SG_MITER_ATOMIC;
+	size_t total_buffer = buflen + skip;
+
+	sg_flags |= SG_MITER_FROM_SG;
+
+	sg_miter_start(&miter, sgl, nents, sg_flags);
+
+	local_irq_save(flags);
+
+	while (sg_miter_next(&miter) && offset < total_buffer) {
+		unsigned int len;
+		unsigned int ignore;
+
+		if ((offset + miter.length) > skip) {
+			if (offset < skip) {
+				/* Copy part of this segment */
+				ignore = skip - offset;
+				len = miter.length - ignore;
+				memcpy(buf + boffset, miter.addr + ignore, len);
+			} else {
+				/* Copy all of this segment */
+				len = miter.length;
+				memcpy(buf + boffset, miter.addr, len);
+			}
+			boffset += len;
+		}
+		offset += miter.length;
+	}
+
+	sg_miter_stop(&miter);
+
+	local_irq_restore(flags);
+	return boffset;
+}
+
 /*
  * allocate and map the extended descriptor
  */
 static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
 						 struct scatterlist *src,
 						 struct scatterlist *dst,
+						 int hash_result,
 						 unsigned int cryptlen,
 						 unsigned int authsize,
 						 int icv_stashing,
@@ -1141,11 +1224,16 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
 	src_nents = sg_count(src, cryptlen + authsize, &src_chained);
 	src_nents = (src_nents == 1) ? 0 : src_nents;
 
-	if (dst == src) {
-		dst_nents = src_nents;
+	if (hash_result) {
+		dst_nents = 0;
 	} else {
-		dst_nents = sg_count(dst, cryptlen + authsize, &dst_chained);
-		dst_nents = (dst_nents == 1) ? 0 : dst_nents;
+		if (dst == src) {
+			dst_nents = src_nents;
+		} else {
+			dst_nents = sg_count(dst, cryptlen + authsize,
+					     &dst_chained);
+			dst_nents = (dst_nents == 1) ? 0 : dst_nents;
+		}
 	}
 
 	/*
@@ -1174,8 +1262,10 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
 	edesc->src_is_chained = src_chained;
 	edesc->dst_is_chained = dst_chained;
 	edesc->dma_len = dma_len;
-	edesc->dma_link_tbl = dma_map_single(dev, &edesc->link_tbl[0],
-					     edesc->dma_len, DMA_BIDIRECTIONAL);
+	if (dma_len)
+		edesc->dma_link_tbl = dma_map_single(dev, &edesc->link_tbl[0],
+						     edesc->dma_len,
+						     DMA_BIDIRECTIONAL);
 
 	return edesc;
 }
@@ -1186,7 +1276,7 @@ static struct talitos_edesc *aead_edesc_alloc(struct aead_request *areq,
 	struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
 	struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
 
-	return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst,
+	return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, 0,
 				   areq->cryptlen, ctx->authsize, icv_stashing,
 				   areq->base.flags);
 }
@@ -1443,8 +1533,8 @@ static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request *
 	struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
 	struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
 
-	return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, areq->nbytes,
-				   0, 0, areq->base.flags);
+	return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, 0,
+				   areq->nbytes, 0, 0, areq->base.flags);
 }
 
 static int ablkcipher_encrypt(struct ablkcipher_request *areq)
@@ -1480,6 +1570,286 @@ static int ablkcipher_decrypt(struct ablkcipher_request *areq)
 	return common_nonsnoop(edesc, areq, NULL, ablkcipher_done);
 }
 
+static void common_nonsnoop_hash_unmap(struct device *dev,
+				       struct talitos_edesc *edesc,
+				       struct ahash_request *areq)
+{
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	unmap_single_talitos_ptr(dev, &edesc->desc.ptr[5], DMA_FROM_DEVICE);
+
+	/* When using hashctx-in, must unmap it. */
+	if (edesc->desc.ptr[1].len)
+		unmap_single_talitos_ptr(dev, &edesc->desc.ptr[1],
+					 DMA_TO_DEVICE);
+
+	if (edesc->desc.ptr[2].len)
+		unmap_single_talitos_ptr(dev, &edesc->desc.ptr[2],
+					 DMA_TO_DEVICE);
+
+	talitos_sg_unmap(dev, edesc, req_ctx->psrc, NULL);
+
+	if (edesc->dma_len)
+		dma_unmap_single(dev, edesc->dma_link_tbl, edesc->dma_len,
+				 DMA_BIDIRECTIONAL);
+
+}
+
+static void ahash_done(struct device *dev,
+		       struct talitos_desc *desc, void *context,
+		       int err)
+{
+	struct ahash_request *areq = context;
+	struct talitos_edesc *edesc =
+		 container_of(desc, struct talitos_edesc, desc);
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	if (!req_ctx->last && req_ctx->to_hash_later) {
+		/* Position any partial block for next update/final/finup */
+		memcpy(req_ctx->buf, req_ctx->bufnext, req_ctx->to_hash_later);
+	}
+	common_nonsnoop_hash_unmap(dev, edesc, areq);
+
+	kfree(edesc);
+
+	areq->base.complete(&areq->base, err);
+}
+
+static int common_nonsnoop_hash(struct talitos_edesc *edesc,
+				struct ahash_request *areq, unsigned int length,
+				void (*callback) (struct device *dev,
+						  struct talitos_desc *desc,
+						  void *context, int error))
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+	struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+	struct device *dev = ctx->dev;
+	struct talitos_desc *desc = &edesc->desc;
+	int sg_count, ret;
+
+	/* first DWORD empty */
+	desc->ptr[0] = zero_entry;
+
+	/* hash context in (if not first) */
+	if (!req_ctx->first) {
+		map_single_talitos_ptr(dev, &desc->ptr[1],
+				       req_ctx->hw_context_size,
+				       (char *)req_ctx->hw_context, 0,
+				       DMA_TO_DEVICE);
+	} else {
+		desc->ptr[1] = zero_entry;
+		/* Indicate next op is not the first. */
+		req_ctx->first = 0;
+	}
+
+	/* HMAC key */
+	if (ctx->keylen)
+		map_single_talitos_ptr(dev, &desc->ptr[2], ctx->keylen,
+				       (char *)&ctx->key, 0, DMA_TO_DEVICE);
+	else
+		desc->ptr[2] = zero_entry;
+
+	/*
+	 * data in
+	 */
+	desc->ptr[3].len = cpu_to_be16(length);
+	desc->ptr[3].j_extent = 0;
+
+	sg_count = talitos_map_sg(dev, req_ctx->psrc,
+				  edesc->src_nents ? : 1,
+				  DMA_TO_DEVICE,
+				  edesc->src_is_chained);
+
+	if (sg_count == 1) {
+		to_talitos_ptr(&desc->ptr[3], sg_dma_address(req_ctx->psrc));
+	} else {
+		sg_count = sg_to_link_tbl(req_ctx->psrc, sg_count, length,
+					  &edesc->link_tbl[0]);
+		if (sg_count > 1) {
+			desc->ptr[3].j_extent |= DESC_PTR_LNKTBL_JUMP;
+			to_talitos_ptr(&desc->ptr[3], edesc->dma_link_tbl);
+			dma_sync_single_for_device(ctx->dev,
+						   edesc->dma_link_tbl,
+						   edesc->dma_len,
+						   DMA_BIDIRECTIONAL);
+		} else {
+			/* Only one segment now, so no link tbl needed */
+			to_talitos_ptr(&desc->ptr[3],
+				       sg_dma_address(req_ctx->psrc));
+		}
+	}
+
+	/* fifth DWORD empty */
+	desc->ptr[4] = zero_entry;
+
+	/* hash/HMAC out -or- hash context out */
+	if (req_ctx->last)
+		map_single_talitos_ptr(dev, &desc->ptr[5],
+				       crypto_ahash_digestsize(tfm),
+				       areq->result, 0, DMA_FROM_DEVICE);
+	else
+		map_single_talitos_ptr(dev, &desc->ptr[5],
+				       req_ctx->hw_context_size,
+				       req_ctx->hw_context, 0, DMA_FROM_DEVICE);
+
+	/* last DWORD empty */
+	desc->ptr[6] = zero_entry;
+
+	ret = talitos_submit(dev, desc, callback, areq);
+	if (ret != -EINPROGRESS) {
+		common_nonsnoop_hash_unmap(dev, edesc, areq);
+		kfree(edesc);
+	}
+	return ret;
+}
+
+static struct talitos_edesc *ahash_edesc_alloc(struct ahash_request *areq,
+					       unsigned int nbytes)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+	struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	return talitos_edesc_alloc(ctx->dev, req_ctx->psrc, NULL, 1,
+				   nbytes, 0, 0, areq->base.flags);
+}
+
+static int ahash_init(struct ahash_request *areq)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	/* Initialize the context */
+	req_ctx->count = 0;
+	req_ctx->first = 1; /* first indicates h/w must init it's context */
+	req_ctx->hw_context_size =
+		(crypto_ahash_digestsize(tfm) <= SHA256_DIGEST_SIZE)
+			? TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256
+			: TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512;
+
+	return 0;
+}
+
+static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+	struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+	struct talitos_edesc *edesc;
+	unsigned int blocksize =
+			crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
+	unsigned int nbytes_to_hash;
+	unsigned int to_hash_later;
+	unsigned int index;
+	int chained;
+
+	index = req_ctx->count & (blocksize - 1);
+	req_ctx->count += nbytes;
+
+	if (!req_ctx->last && (index + nbytes) < blocksize) {
+		/* Buffer the partial block */
+		sg_copy_to_buffer(areq->src,
+				  sg_count(areq->src, nbytes, &chained),
+				  req_ctx->buf + index, nbytes);
+		return 0;
+	}
+
+	if (index) {
+		/* partial block from previous update; chain it in. */
+		sg_init_table(req_ctx->bufsl, (nbytes) ? 2 : 1);
+		sg_set_buf(req_ctx->bufsl, req_ctx->buf, index);
+		if (nbytes)
+			scatterwalk_sg_chain(req_ctx->bufsl, 2,
+					     areq->src);
+		req_ctx->psrc = req_ctx->bufsl;
+	} else {
+		req_ctx->psrc = areq->src;
+	}
+	nbytes_to_hash =  index + nbytes;
+	if (!req_ctx->last) {
+		to_hash_later = (nbytes_to_hash & (blocksize - 1));
+		if (to_hash_later) {
+			int nents;
+			/* Must copy to_hash_later bytes from the end
+			 * to bufnext (a partial block) for later.
+			 */
+			nents = sg_count(areq->src, nbytes, &chained);
+			sg_copy_end_to_buffer(areq->src, nents,
+					      req_ctx->bufnext,
+					      to_hash_later,
+					      nbytes - to_hash_later);
+
+			/* Adjust count for what will be hashed now */
+			nbytes_to_hash -= to_hash_later;
+		}
+		req_ctx->to_hash_later = to_hash_later;
+	}
+
+	/* allocate extended descriptor */
+	edesc = ahash_edesc_alloc(areq, nbytes_to_hash);
+	if (IS_ERR(edesc))
+		return PTR_ERR(edesc);
+
+	edesc->desc.hdr = ctx->desc_hdr_template;
+
+	/* On last one, request SEC to pad; otherwise continue */
+	if (req_ctx->last)
+		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_PAD;
+	else
+		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_CONT;
+
+	/* On first one, request SEC to INIT hash. */
+	if (req_ctx->first)
+		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_INIT;
+
+	/* When the tfm context has a keylen, it's an HMAC.
+	 * A first or last (ie. not middle) descriptor must request HMAC.
+	 */
+	if (ctx->keylen && (req_ctx->first || req_ctx->last))
+		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_HMAC;
+
+	return common_nonsnoop_hash(edesc, areq, nbytes_to_hash,
+				    ahash_done);
+}
+
+static int ahash_update(struct ahash_request *areq)
+{
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	req_ctx->last = 0;
+
+	return ahash_process_req(areq, areq->nbytes);
+}
+
+static int ahash_final(struct ahash_request *areq)
+{
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	req_ctx->last = 1;
+
+	return ahash_process_req(areq, 0);
+}
+
+static int ahash_finup(struct ahash_request *areq)
+{
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	req_ctx->last = 1;
+
+	return ahash_process_req(areq, areq->nbytes);
+}
+
+static int ahash_digest(struct ahash_request *areq)
+{
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	ahash_init(areq);
+	req_ctx->last = 1;
+
+	return ahash_process_req(areq, areq->nbytes);
+}
+
 struct talitos_alg_template {
 	u32 type;
 	union {
@@ -1695,7 +2065,113 @@ static struct talitos_alg_template driver_algs[] = {
 			             DESC_HDR_SEL0_DEU |
 		                     DESC_HDR_MODE0_DEU_CBC |
 		                     DESC_HDR_MODE0_DEU_3DES,
-	}
+	},
+	/* AHASH algorithms. */
+	{	.type = CRYPTO_ALG_TYPE_AHASH,
+		.alg.hash = {
+			.init = ahash_init,
+			.update = ahash_update,
+			.final = ahash_final,
+			.finup = ahash_finup,
+			.digest = ahash_digest,
+			.halg.digestsize = MD5_DIGEST_SIZE,
+			.halg.base = {
+				.cra_name = "md5",
+				.cra_driver_name = "md5-talitos",
+				.cra_blocksize = MD5_BLOCK_SIZE,
+				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
+					     CRYPTO_ALG_ASYNC,
+				.cra_type = &crypto_ahash_type
+			}
+		},
+		.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+				     DESC_HDR_SEL0_MDEUA |
+				     DESC_HDR_MODE0_MDEU_MD5,
+	},
+	{	.type = CRYPTO_ALG_TYPE_AHASH,
+		.alg.hash = {
+			.init = ahash_init,
+			.update = ahash_update,
+			.final = ahash_final,
+			.finup = ahash_finup,
+			.digest = ahash_digest,
+			.halg.digestsize = SHA1_DIGEST_SIZE,
+			.halg.base = {
+				.cra_name = "sha1",
+				.cra_driver_name = "sha1-talitos",
+				.cra_blocksize = SHA1_BLOCK_SIZE,
+				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
+					     CRYPTO_ALG_ASYNC,
+				.cra_type = &crypto_ahash_type
+			}
+		},
+		.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+				     DESC_HDR_SEL0_MDEUA |
+				     DESC_HDR_MODE0_MDEU_SHA1,
+	},
+	{	.type = CRYPTO_ALG_TYPE_AHASH,
+		.alg.hash = {
+			.init = ahash_init,
+			.update = ahash_update,
+			.final = ahash_final,
+			.finup = ahash_finup,
+			.digest = ahash_digest,
+			.halg.digestsize = SHA256_DIGEST_SIZE,
+			.halg.base = {
+				.cra_name = "sha256",
+				.cra_driver_name = "sha256-talitos",
+				.cra_blocksize = SHA256_BLOCK_SIZE,
+				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
+					     CRYPTO_ALG_ASYNC,
+				.cra_type = &crypto_ahash_type
+			}
+		},
+		.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+				     DESC_HDR_SEL0_MDEUA |
+				     DESC_HDR_MODE0_MDEU_SHA256,
+	},
+	{	.type = CRYPTO_ALG_TYPE_AHASH,
+		.alg.hash = {
+			.init = ahash_init,
+			.update = ahash_update,
+			.final = ahash_final,
+			.finup = ahash_finup,
+			.digest = ahash_digest,
+			.halg.digestsize = SHA384_DIGEST_SIZE,
+			.halg.base = {
+				.cra_name = "sha384",
+				.cra_driver_name = "sha384-talitos",
+				.cra_blocksize = SHA384_BLOCK_SIZE,
+				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
+					     CRYPTO_ALG_ASYNC,
+				.cra_type = &crypto_ahash_type
+			}
+		},
+		.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+				     DESC_HDR_SEL0_MDEUB |
+				     DESC_HDR_MODE0_MDEUB_SHA384,
+	},
+	{	.type = CRYPTO_ALG_TYPE_AHASH,
+		.alg.hash = {
+			.init = ahash_init,
+			.update = ahash_update,
+			.final = ahash_final,
+			.finup = ahash_finup,
+			.digest = ahash_digest,
+			.halg.digestsize = SHA512_DIGEST_SIZE,
+			.halg.base = {
+				.cra_name = "sha512",
+				.cra_driver_name = "sha512-talitos",
+				.cra_blocksize = SHA512_BLOCK_SIZE,
+				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
+					     CRYPTO_ALG_ASYNC,
+				.cra_type = &crypto_ahash_type
+			}
+		},
+		.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+				     DESC_HDR_SEL0_MDEUB |
+				     DESC_HDR_MODE0_MDEUB_SHA512,
+	},
 };
 
 struct talitos_crypto_alg {
@@ -1710,8 +2186,13 @@ static int talitos_cra_init(struct crypto_tfm *tfm)
 	struct talitos_crypto_alg *talitos_alg;
 	struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	talitos_alg =  container_of(alg, struct talitos_crypto_alg,
-				    algt.alg.crypto);
+	if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH)
+		talitos_alg = container_of(__crypto_ahash_alg(alg),
+					   struct talitos_crypto_alg,
+					   algt.alg.hash);
+	else
+		talitos_alg = container_of(alg, struct talitos_crypto_alg,
+					   algt.alg.crypto);
 
 	/* update context with ptr to dev */
 	ctx->dev = talitos_alg->dev;
@@ -1719,12 +2200,34 @@ static int talitos_cra_init(struct crypto_tfm *tfm)
 	/* copy descriptor header template value */
 	ctx->desc_hdr_template = talitos_alg->algt.desc_hdr_template;
 
+	return 0;
+}
+
+static int talitos_cra_init_aead(struct crypto_tfm *tfm)
+{
+	struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	talitos_cra_init(tfm);
+
 	/* random first IV */
 	get_random_bytes(ctx->iv, TALITOS_MAX_IV_LENGTH);
 
 	return 0;
 }
 
+static int talitos_cra_init_ahash(struct crypto_tfm *tfm)
+{
+	struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	talitos_cra_init(tfm);
+
+	ctx->keylen = 0;
+	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+				 sizeof(struct talitos_ahash_req_ctx));
+
+	return 0;
+}
+
 /*
  * given the alg's descriptor header template, determine whether descriptor
  * type and primary/secondary execution units required match the hw
@@ -1806,15 +2309,20 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
 
 	switch (t_alg->algt.type) {
 	case CRYPTO_ALG_TYPE_ABLKCIPHER:
+		alg = &t_alg->algt.alg.crypto;
+		alg->cra_init = talitos_cra_init;
+		break;
 	case CRYPTO_ALG_TYPE_AEAD:
 		alg = &t_alg->algt.alg.crypto;
+		alg->cra_init = talitos_cra_init_aead;
 		break;
 	case CRYPTO_ALG_TYPE_AHASH:
 		alg = &t_alg->algt.alg.hash.halg.base;
+		alg->cra_init = talitos_cra_init_ahash;
+		break;
 	}
 
 	alg->cra_module = THIS_MODULE;
-	alg->cra_init = talitos_cra_init;
 	alg->cra_priority = TALITOS_CRA_PRIORITY;
 	alg->cra_alignmask = 0;
 	alg->cra_ctxsize = sizeof(struct talitos_ctx);
diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h
index ff5a1450e14..05c57b730e9 100644
--- a/drivers/crypto/talitos.h
+++ b/drivers/crypto/talitos.h
@@ -130,6 +130,9 @@
 #define TALITOS_CRCUISR			0xf030 /* cyclic redundancy check unit*/
 #define TALITOS_CRCUISR_LO		0xf034
 
+#define TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256	0x28
+#define TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512		0x48
+
 /*
  * talitos descriptor header (hdr) bits
  */
@@ -157,12 +160,15 @@
 #define	DESC_HDR_MODE0_AESU_CBC		cpu_to_be32(0x00200000)
 #define	DESC_HDR_MODE0_DEU_CBC		cpu_to_be32(0x00400000)
 #define	DESC_HDR_MODE0_DEU_3DES		cpu_to_be32(0x00200000)
+#define	DESC_HDR_MODE0_MDEU_CONT	cpu_to_be32(0x08000000)
 #define	DESC_HDR_MODE0_MDEU_INIT	cpu_to_be32(0x01000000)
 #define	DESC_HDR_MODE0_MDEU_HMAC	cpu_to_be32(0x00800000)
 #define	DESC_HDR_MODE0_MDEU_PAD		cpu_to_be32(0x00400000)
 #define	DESC_HDR_MODE0_MDEU_MD5		cpu_to_be32(0x00200000)
 #define	DESC_HDR_MODE0_MDEU_SHA256	cpu_to_be32(0x00100000)
 #define	DESC_HDR_MODE0_MDEU_SHA1	cpu_to_be32(0x00000000)
+#define	DESC_HDR_MODE0_MDEUB_SHA384	cpu_to_be32(0x00000000)
+#define	DESC_HDR_MODE0_MDEUB_SHA512	cpu_to_be32(0x00200000)
 #define	DESC_HDR_MODE0_MDEU_MD5_HMAC	(DESC_HDR_MODE0_MDEU_MD5 | \
 					 DESC_HDR_MODE0_MDEU_HMAC)
 #define	DESC_HDR_MODE0_MDEU_SHA256_HMAC	(DESC_HDR_MODE0_MDEU_SHA256 | \
@@ -184,6 +190,8 @@
 #define	DESC_HDR_MODE1_MDEU_MD5		cpu_to_be32(0x00000200)
 #define	DESC_HDR_MODE1_MDEU_SHA256	cpu_to_be32(0x00000100)
 #define	DESC_HDR_MODE1_MDEU_SHA1	cpu_to_be32(0x00000000)
+#define	DESC_HDR_MODE1_MDEUB_SHA384	cpu_to_be32(0x00000000)
+#define	DESC_HDR_MODE1_MDEUB_SHA512	cpu_to_be32(0x00000200)
 #define	DESC_HDR_MODE1_MDEU_MD5_HMAC	(DESC_HDR_MODE1_MDEU_MD5 | \
 					 DESC_HDR_MODE1_MDEU_HMAC)
 #define	DESC_HDR_MODE1_MDEU_SHA256_HMAC	(DESC_HDR_MODE1_MDEU_SHA256 | \

From 60f208d7836216885cdcd6f77a02f31dbc66f169 Mon Sep 17 00:00:00 2001
From: Kim Phillips <kim.phillips@freescale.com>
Date: Wed, 19 May 2010 19:21:53 +1000
Subject: [PATCH 2142/3638] crypto: talitos - add support for sha224

SEC h/w versions 2.1 and above support sha224 via explicit instruction.

Performing sha224 ahashes on earlier versions is still possible because
they support sha256 (sha224 is sha256 with different initial constants
and a different truncation length).  We do this by overriding hardware
context self-initialization, and perform it manually in s/w instead.

Thanks to Lee for his fixes for correct execution on actual sec2.0 h/w.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off by: Lee Nipper <lee.nipper@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/talitos.c | 81 +++++++++++++++++++++++++++++++++++-----
 drivers/crypto/talitos.h |  4 +-
 2 files changed, 75 insertions(+), 10 deletions(-)

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 1b08a3951fb..6a0f59d1fc5 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1,7 +1,7 @@
 /*
  * talitos - Freescale Integrated Security Engine (SEC) device driver
  *
- * Copyright (c) 2008 Freescale Semiconductor, Inc.
+ * Copyright (c) 2008-2010 Freescale Semiconductor, Inc.
  *
  * Scatterlist Crypto API glue code copied from files with the following:
  * Copyright (c) 2006-2007 Herbert Xu <herbert@gondor.apana.org.au>
@@ -156,6 +156,7 @@ struct talitos_private {
 /* .features flag */
 #define TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT 0x00000001
 #define TALITOS_FTR_HW_AUTH_CHECK 0x00000002
+#define TALITOS_FTR_SHA224_HWINIT 0x00000004
 
 static void to_talitos_ptr(struct talitos_ptr *talitos_ptr, dma_addr_t dma_addr)
 {
@@ -720,10 +721,11 @@ struct talitos_ctx {
 
 struct talitos_ahash_req_ctx {
 	u64 count;
-	u8 hw_context[TALITOS_MDEU_MAX_CONTEXT_SIZE];
+	u32 hw_context[TALITOS_MDEU_MAX_CONTEXT_SIZE / sizeof(u32)];
 	unsigned int hw_context_size;
 	u8 buf[HASH_MAX_BLOCK_SIZE];
 	u8 bufnext[HASH_MAX_BLOCK_SIZE];
+	unsigned int swinit;
 	unsigned int first;
 	unsigned int last;
 	unsigned int to_hash_later;
@@ -1631,12 +1633,13 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
 	/* first DWORD empty */
 	desc->ptr[0] = zero_entry;
 
-	/* hash context in (if not first) */
-	if (!req_ctx->first) {
+	/* hash context in */
+	if (!req_ctx->first || req_ctx->swinit) {
 		map_single_talitos_ptr(dev, &desc->ptr[1],
 				       req_ctx->hw_context_size,
 				       (char *)req_ctx->hw_context, 0,
 				       DMA_TO_DEVICE);
+		req_ctx->swinit = 0;
 	} else {
 		desc->ptr[1] = zero_entry;
 		/* Indicate next op is not the first. */
@@ -1722,7 +1725,8 @@ static int ahash_init(struct ahash_request *areq)
 
 	/* Initialize the context */
 	req_ctx->count = 0;
-	req_ctx->first = 1; /* first indicates h/w must init it's context */
+	req_ctx->first = 1; /* first indicates h/w must init its context */
+	req_ctx->swinit = 0; /* assume h/w init of context */
 	req_ctx->hw_context_size =
 		(crypto_ahash_digestsize(tfm) <= SHA256_DIGEST_SIZE)
 			? TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256
@@ -1731,6 +1735,33 @@ static int ahash_init(struct ahash_request *areq)
 	return 0;
 }
 
+/*
+ * on h/w without explicit sha224 support, we initialize h/w context
+ * manually with sha224 constants, and tell it to run sha256.
+ */
+static int ahash_init_sha224_swinit(struct ahash_request *areq)
+{
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+
+	ahash_init(areq);
+	req_ctx->swinit = 1;/* prevent h/w initting context with sha256 values*/
+
+	req_ctx->hw_context[0] = cpu_to_be32(SHA224_H0);
+	req_ctx->hw_context[1] = cpu_to_be32(SHA224_H1);
+	req_ctx->hw_context[2] = cpu_to_be32(SHA224_H2);
+	req_ctx->hw_context[3] = cpu_to_be32(SHA224_H3);
+	req_ctx->hw_context[4] = cpu_to_be32(SHA224_H4);
+	req_ctx->hw_context[5] = cpu_to_be32(SHA224_H5);
+	req_ctx->hw_context[6] = cpu_to_be32(SHA224_H6);
+	req_ctx->hw_context[7] = cpu_to_be32(SHA224_H7);
+
+	/* init 64-bit count */
+	req_ctx->hw_context[8] = 0;
+	req_ctx->hw_context[9] = 0;
+
+	return 0;
+}
+
 static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
 {
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
@@ -1799,8 +1830,8 @@ static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
 	else
 		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_CONT;
 
-	/* On first one, request SEC to INIT hash. */
-	if (req_ctx->first)
+	/* request SEC to INIT hash. */
+	if (req_ctx->first && !req_ctx->swinit)
 		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_INIT;
 
 	/* When the tfm context has a keylen, it's an HMAC.
@@ -1843,8 +1874,9 @@ static int ahash_finup(struct ahash_request *areq)
 static int ahash_digest(struct ahash_request *areq)
 {
 	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+	struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
 
-	ahash_init(areq);
+	ahash->init(areq);
 	req_ctx->last = 1;
 
 	return ahash_process_req(areq, areq->nbytes);
@@ -2109,6 +2141,27 @@ static struct talitos_alg_template driver_algs[] = {
 				     DESC_HDR_SEL0_MDEUA |
 				     DESC_HDR_MODE0_MDEU_SHA1,
 	},
+	{	.type = CRYPTO_ALG_TYPE_AHASH,
+		.alg.hash = {
+			.init = ahash_init,
+			.update = ahash_update,
+			.final = ahash_final,
+			.finup = ahash_finup,
+			.digest = ahash_digest,
+			.halg.digestsize = SHA224_DIGEST_SIZE,
+			.halg.base = {
+				.cra_name = "sha224",
+				.cra_driver_name = "sha224-talitos",
+				.cra_blocksize = SHA224_BLOCK_SIZE,
+				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
+					     CRYPTO_ALG_ASYNC,
+				.cra_type = &crypto_ahash_type
+			}
+		},
+		.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+				     DESC_HDR_SEL0_MDEUA |
+				     DESC_HDR_MODE0_MDEU_SHA224,
+	},
 	{	.type = CRYPTO_ALG_TYPE_AHASH,
 		.alg.hash = {
 			.init = ahash_init,
@@ -2298,6 +2351,7 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
 						    struct talitos_alg_template
 						           *template)
 {
+	struct talitos_private *priv = dev_get_drvdata(dev);
 	struct talitos_crypto_alg *t_alg;
 	struct crypto_alg *alg;
 
@@ -2319,6 +2373,14 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
 	case CRYPTO_ALG_TYPE_AHASH:
 		alg = &t_alg->algt.alg.hash.halg.base;
 		alg->cra_init = talitos_cra_init_ahash;
+		if (!(priv->features & TALITOS_FTR_SHA224_HWINIT) &&
+		    !strcmp(alg->cra_name, "sha224")) {
+			t_alg->algt.alg.hash.init = ahash_init_sha224_swinit;
+			t_alg->algt.desc_hdr_template =
+					DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+					DESC_HDR_SEL0_MDEUA |
+					DESC_HDR_MODE0_MDEU_SHA256;
+		}
 		break;
 	}
 
@@ -2406,7 +2468,8 @@ static int talitos_probe(struct of_device *ofdev,
 		priv->features |= TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT;
 
 	if (of_device_is_compatible(np, "fsl,sec2.1"))
-		priv->features |= TALITOS_FTR_HW_AUTH_CHECK;
+		priv->features |= TALITOS_FTR_HW_AUTH_CHECK |
+				  TALITOS_FTR_SHA224_HWINIT;
 
 	priv->chan = kzalloc(sizeof(struct talitos_channel) *
 			     priv->num_channels, GFP_KERNEL);
diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h
index 05c57b730e9..0b746aca458 100644
--- a/drivers/crypto/talitos.h
+++ b/drivers/crypto/talitos.h
@@ -1,7 +1,7 @@
 /*
  * Freescale SEC (talitos) device register and descriptor header defines
  *
- * Copyright (c) 2006-2008 Freescale Semiconductor, Inc.
+ * Copyright (c) 2006-2010 Freescale Semiconductor, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -164,6 +164,7 @@
 #define	DESC_HDR_MODE0_MDEU_INIT	cpu_to_be32(0x01000000)
 #define	DESC_HDR_MODE0_MDEU_HMAC	cpu_to_be32(0x00800000)
 #define	DESC_HDR_MODE0_MDEU_PAD		cpu_to_be32(0x00400000)
+#define	DESC_HDR_MODE0_MDEU_SHA224	cpu_to_be32(0x00300000)
 #define	DESC_HDR_MODE0_MDEU_MD5		cpu_to_be32(0x00200000)
 #define	DESC_HDR_MODE0_MDEU_SHA256	cpu_to_be32(0x00100000)
 #define	DESC_HDR_MODE0_MDEU_SHA1	cpu_to_be32(0x00000000)
@@ -187,6 +188,7 @@
 #define	DESC_HDR_MODE1_MDEU_INIT	cpu_to_be32(0x00001000)
 #define	DESC_HDR_MODE1_MDEU_HMAC	cpu_to_be32(0x00000800)
 #define	DESC_HDR_MODE1_MDEU_PAD		cpu_to_be32(0x00000400)
+#define	DESC_HDR_MODE1_MDEU_SHA224	cpu_to_be32(0x00000300)
 #define	DESC_HDR_MODE1_MDEU_MD5		cpu_to_be32(0x00000200)
 #define	DESC_HDR_MODE1_MDEU_SHA256	cpu_to_be32(0x00000100)
 #define	DESC_HDR_MODE1_MDEU_SHA1	cpu_to_be32(0x00000000)

From 73b3577d5dc80bf5f079ddd5c0449459a1997765 Mon Sep 17 00:00:00 2001
From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: Wed, 19 May 2010 13:53:22 +0200
Subject: [PATCH 2143/3638] HID: roccat: fix special button support

Added new data and changed workaround for abnormal button behaviour
according to new gained knowledge about Roccat Kone device.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-roccat-kone.c | 11 ++++++-----
 drivers/hid/hid-roccat-kone.h | 19 ++++++++++++++++---
 2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index a41df9ab287..5d9ced0defa 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -928,14 +928,15 @@ static int kone_raw_event(struct hid_device *hdev, struct hid_report *report,
 		return 0;
 
 	/*
-	 * Firmware 1.38 introduced new behaviour for tilt buttons.
-	 * Pressed tilt button is reported in each movement event.
+	 * Firmware 1.38 introduced new behaviour for tilt and special buttons.
+	 * Pressed button is reported in each movement event.
 	 * Workaround sends only one event per press.
 	 */
-	if (kone->last_tilt_state == event->tilt)
-		event->tilt = 0;
+	if (memcmp(&kone->last_mouse_event.tilt, &event->tilt, 5))
+		memcpy(&kone->last_mouse_event, event,
+				sizeof(struct kone_mouse_event));
 	else
-		kone->last_tilt_state = event->tilt;
+		memset(&event->tilt, 0, 5);
 
 	/*
 	 * handle special events and keep actual profile and dpi values
diff --git a/drivers/hid/hid-roccat-kone.h b/drivers/hid/hid-roccat-kone.h
index ee6898c9d92..13309544b6f 100644
--- a/drivers/hid/hid-roccat-kone.h
+++ b/drivers/hid/hid-roccat-kone.h
@@ -83,6 +83,17 @@ enum kone_button_info_types {
 	kone_button_info_type_multimedia_volume_down = 0x27
 };
 
+enum kone_button_info_numbers {
+	kone_button_top = 1,
+	kone_button_wheel_tilt_left = 2,
+	kone_button_wheel_tilt_right = 3,
+	kone_button_forward = 4,
+	kone_button_backward = 5,
+	kone_button_middle = 6,
+	kone_button_plus = 7,
+	kone_button_minus = 8,
+};
+
 struct kone_light_info {
 	uint8_t number; /* number of light 1-5 */
 	uint8_t mod;   /* 1 = on, 2 = off */
@@ -120,6 +131,7 @@ struct kone_profile {
 	uint8_t light_effect_speed; /* range 0-255 */
 
 	struct kone_light_info light_infos[5];
+	/* offset is kone_button_info_numbers - 1 */
 	struct kone_button_info button_infos[8];
 
 	uint16_t checksum; /* \brief holds checksum of struct */
@@ -165,7 +177,7 @@ enum kone_mouse_events {
 	/* TODO clarify meaning and occurence of kone_mouse_event_calibration */
 	kone_mouse_event_calibration = 0xc0,
 	kone_mouse_event_call_overlong_macro = 0xe0,
-	/* switch events notify if user changed values wiht mousebutton click */
+	/* switch events notify if user changed values with mousebutton click */
 	kone_mouse_event_switch_dpi = 0xf0,
 	kone_mouse_event_switch_profile = 0xf1
 };
@@ -188,8 +200,9 @@ struct kone_device {
 	 * is no way of getting this information from the device on demand
 	 */
 	int actual_profile, actual_dpi;
-	/* Used for neutralizing abnormal tilt button behaviour */
-	int last_tilt_state;
+	/* Used for neutralizing abnormal button behaviour */
+	struct kone_mouse_event last_mouse_event;
+
 	/*
 	 * It's unlikely that multiple sysfs attributes are accessed at a time,
 	 * so only one mutex is used to secure hardware access and profiles and

From 48e70804d37f9c52aab7c4ce7b7ab7bc7b800099 Mon Sep 17 00:00:00 2001
From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: Tue, 18 May 2010 18:31:04 +0200
Subject: [PATCH 2144/3638] HID: roccat: refactor special event handling

As special events are reported along with hid event information all
events are now processed further by standard handler.
Also cleaned up this code.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-roccat-kone.c | 54 +++++++++++++----------------------
 1 file changed, 20 insertions(+), 34 deletions(-)

diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 5d9ced0defa..8f35fe22f41 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -912,6 +912,24 @@ static void kone_remove(struct hid_device *hdev)
 	hid_hw_stop(hdev);
 }
 
+/* handle special events and keep actual profile and dpi values up to date */
+static void kone_keep_values_up_to_date(struct kone_device *kone,
+		struct kone_mouse_event const *event)
+{
+	switch (event->event) {
+	case kone_mouse_event_switch_profile:
+	case kone_mouse_event_osd_profile:
+		kone->actual_profile = event->value;
+		kone->actual_dpi = kone->profiles[kone->actual_profile - 1].
+				startup_dpi;
+		break;
+	case kone_mouse_event_switch_dpi:
+	case kone_mouse_event_osd_dpi:
+		kone->actual_dpi = event->value;
+		break;
+	}
+}
+
 /*
  * Is called for keyboard- and mousepart.
  * Only mousepart gets informations about special events in its extended event
@@ -938,41 +956,9 @@ static int kone_raw_event(struct hid_device *hdev, struct hid_report *report,
 	else
 		memset(&event->tilt, 0, 5);
 
-	/*
-	 * handle special events and keep actual profile and dpi values
-	 * up to date
-	 */
-	switch (event->event) {
-	case kone_mouse_event_osd_dpi:
-		dev_dbg(&hdev->dev, "osd dpi event. actual dpi %d\n",
-				event->value);
-		return 1; /* return 1 if event was handled */
-	case kone_mouse_event_switch_dpi:
-		kone->actual_dpi = event->value;
-		dev_dbg(&hdev->dev, "switched dpi to %d\n", event->value);
-		return 1;
-	case kone_mouse_event_osd_profile:
-		dev_dbg(&hdev->dev, "osd profile event. actual profile %d\n",
-				event->value);
-		return 1;
-	case kone_mouse_event_switch_profile:
-		kone->actual_profile = event->value;
-		kone->actual_dpi = kone->profiles[kone->actual_profile - 1].
-				startup_dpi;
-		dev_dbg(&hdev->dev, "switched profile to %d\n", event->value);
-		return 1;
-	case kone_mouse_event_call_overlong_macro:
-		dev_dbg(&hdev->dev, "overlong macro called, button %d %s/%s\n",
-				event->macro_key,
-				kone->profiles[kone->actual_profile - 1].
-				button_infos[event->macro_key].macro_set_name,
-				kone->profiles[kone->actual_profile - 1].
-				button_infos[event->macro_key].macro_name
-				);
-		return 1;
-	}
+	kone_keep_values_up_to_date(kone, event);
 
-	return 0; /* do further processing */
+	return 0; /* always do further processing */
 }
 
 static const struct hid_device_id kone_devices[] = {

From 1f749d8d5f92c275e35cdcd1fdcb7c8298157118 Mon Sep 17 00:00:00 2001
From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: Wed, 12 May 2010 17:43:34 +0200
Subject: [PATCH 2145/3638] HID: roccat: cleanup preprocessor macros

Removed useless preprocessor macros and renamed remaining one to be
more qualified.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-roccat-kone.c | 8 ++++----
 drivers/hid/hid-roccat-kone.h | 5 +----
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 8f35fe22f41..66e694054ba 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -630,7 +630,7 @@ static ssize_t kone_sysfs_set_startup_profile(struct device *dev,
 static ssize_t kone_sysfs_show_driver_version(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, DRIVER_VERSION "\n");
+	return snprintf(buf, PAGE_SIZE, ROCCAT_KONE_DRIVER_VERSION "\n");
 }
 
 /*
@@ -989,6 +989,6 @@ static void __exit kone_exit(void)
 module_init(kone_init);
 module_exit(kone_exit);
 
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE(DRIVER_LICENSE);
+MODULE_AUTHOR("Stefan Achatz");
+MODULE_DESCRIPTION("USB Roccat Kone driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hid/hid-roccat-kone.h b/drivers/hid/hid-roccat-kone.h
index 13309544b6f..b413b10a7f8 100644
--- a/drivers/hid/hid-roccat-kone.h
+++ b/drivers/hid/hid-roccat-kone.h
@@ -14,10 +14,7 @@
 
 #include <linux/types.h>
 
-#define DRIVER_VERSION "v0.3.0"
-#define DRIVER_AUTHOR "Stefan Achatz"
-#define DRIVER_DESC "USB Roccat Kone driver"
-#define DRIVER_LICENSE "GPL v2"
+#define ROCCAT_KONE_DRIVER_VERSION "v0.3.1"
 
 #pragma pack(push)
 #pragma pack(1)

From b1e89955be882bab65997c2227872211f805be80 Mon Sep 17 00:00:00 2001
From: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Date: Wed, 19 May 2010 11:33:43 +0200
Subject: [PATCH 2146/3638] MX3X: Add Keypad device definition for MX3X arch

This patch adds also the pin definition helpers in iomux-mx3.h

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/devices.c                | 19 +++++++++++++++++++
 arch/arm/mach-mx3/devices.h                |  1 +
 arch/arm/plat-mxc/include/mach/iomux-mx3.h | 17 +++++++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index 81a1dbacbe4..db7acd6e910 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -607,6 +607,25 @@ struct platform_device imx_rtc_device0 = {
 	.resource       = imx_rtc_resources,
 };
 
+static struct resource imx_kpp_resources[] = {
+	{
+		.start	= MX3x_KPP_BASE_ADDR,
+		.end	= MX3x_KPP_BASE_ADDR + 0xf,
+		.flags	= IORESOURCE_MEM
+	}, {
+		.start	= MX3x_INT_KPP,
+		.end	= MX3x_INT_KPP,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device imx_kpp_device = {
+	.name = "imx-keypad",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(imx_kpp_resources),
+	.resource = imx_kpp_resources,
+};
+
 static int __init mx3_devices_init(void)
 {
 	if (cpu_is_mx31()) {
diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
index b1687ad7205..2c3c8646a29 100644
--- a/arch/arm/mach-mx3/devices.h
+++ b/arch/arm/mach-mx3/devices.h
@@ -28,3 +28,4 @@ extern struct platform_device imx_ssi_device1;
 extern struct platform_device imx_ssi_device1;
 extern struct platform_device imx_wdt_device0;
 extern struct platform_device imx_rtc_device0;
+extern struct platform_device imx_kpp_device;
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx3.h b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
index e51465d7b22..cbaed295a2b 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx3.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
@@ -719,6 +719,23 @@ enum iomux_pins {
 #define MX31_PIN_SRXD5__SRXD5		IOMUX_MODE(MX31_PIN_SRXD5, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_SCK5__SCK5		IOMUX_MODE(MX31_PIN_SCK5, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_SFS5__SFS5		IOMUX_MODE(MX31_PIN_SFS5, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_ROW0_KEY_ROW0	IOMUX_MODE(MX31_PIN_KEY_ROW0, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_ROW1_KEY_ROW1	IOMUX_MODE(MX31_PIN_KEY_ROW1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_ROW2_KEY_ROW2	IOMUX_MODE(MX31_PIN_KEY_ROW2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_ROW3_KEY_ROW3	IOMUX_MODE(MX31_PIN_KEY_ROW3, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_ROW4_KEY_ROW4	IOMUX_MODE(MX31_PIN_KEY_ROW4, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_ROW5_KEY_ROW5	IOMUX_MODE(MX31_PIN_KEY_ROW5, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_ROW6_KEY_ROW6	IOMUX_MODE(MX31_PIN_KEY_ROW6, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_ROW7_KEY_ROW7	IOMUX_MODE(MX31_PIN_KEY_ROW7, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_COL0_KEY_COL0	IOMUX_MODE(MX31_PIN_KEY_COL0, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_COL1_KEY_COL1	IOMUX_MODE(MX31_PIN_KEY_COL1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_COL2_KEY_COL2	IOMUX_MODE(MX31_PIN_KEY_COL2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_COL3_KEY_COL3	IOMUX_MODE(MX31_PIN_KEY_COL3, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_COL4_KEY_COL4	IOMUX_MODE(MX31_PIN_KEY_COL4, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_COL5_KEY_COL5	IOMUX_MODE(MX31_PIN_KEY_COL5, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_COL6_KEY_COL6	IOMUX_MODE(MX31_PIN_KEY_COL6, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_KEY_COL7_KEY_COL7	IOMUX_MODE(MX31_PIN_KEY_COL7, IOMUX_CONFIG_FUNC)
+
 
 /*
  * XXX: The SS0, SS1, SS2, SS3 lines of spi3 are multiplexed with cspi2_ss0,

From 54c1f6367c2836a85e821a010085ed04ab2235bc Mon Sep 17 00:00:00 2001
From: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Date: Wed, 19 May 2010 11:34:43 +0200
Subject: [PATCH 2147/3638] mx31_3ds: Support the keypad situated in the
 personality board

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx3/mach-mx31_3ds.c | 32 +++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index 55d6117fbae..58e57291b79 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -28,6 +28,7 @@
 #include <linux/spi/spi.h>
 #include <linux/regulator/machine.h>
 #include <linux/fsl_devices.h>
+#include <linux/input/matrix_keypad.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -82,6 +83,35 @@ static int mx31_3ds_pins[] = {
 	MX31_PIN_USBOTG_DIR__USBOTG_DIR,
 	MX31_PIN_USBOTG_NXT__USBOTG_NXT,
 	MX31_PIN_USBOTG_STP__USBOTG_STP,
+	/*Keyboard*/
+	MX31_PIN_KEY_ROW0_KEY_ROW0,
+	MX31_PIN_KEY_ROW1_KEY_ROW1,
+	MX31_PIN_KEY_ROW2_KEY_ROW2,
+	MX31_PIN_KEY_COL0_KEY_COL0,
+	MX31_PIN_KEY_COL1_KEY_COL1,
+	MX31_PIN_KEY_COL2_KEY_COL2,
+	MX31_PIN_KEY_COL3_KEY_COL3,
+};
+
+/*
+ * Matrix keyboard
+ */
+
+static const uint32_t mx31_3ds_keymap[] = {
+	KEY(0, 0, KEY_UP),
+	KEY(0, 1, KEY_DOWN),
+	KEY(1, 0, KEY_RIGHT),
+	KEY(1, 1, KEY_LEFT),
+	KEY(1, 2, KEY_ENTER),
+	KEY(2, 0, KEY_F6),
+	KEY(2, 1, KEY_F8),
+	KEY(2, 2, KEY_F9),
+	KEY(2, 3, KEY_F10),
+};
+
+static struct matrix_keymap_data mx31_3ds_keymap_data = {
+	.keymap		= mx31_3ds_keymap,
+	.keymap_size	= ARRAY_SIZE(mx31_3ds_keymap),
 };
 
 /* Regulators */
@@ -367,6 +397,8 @@ static void __init mxc_board_init(void)
 	spi_register_board_info(mx31_3ds_spi_devs,
 						ARRAY_SIZE(mx31_3ds_spi_devs));
 
+	mxc_register_device(&imx_kpp_device, &mx31_3ds_keymap_data);
+
 	mx31_3ds_usbotg_init();
 	mxc_register_device(&mxc_otg_udc_device, &usbotg_pdata);
 

From 4cb2ea28c55cf5e5ef83aec535099ffce3c583df Mon Sep 17 00:00:00 2001
From: john cooper <john.cooper@redhat.com>
Date: Thu, 25 Mar 2010 01:33:33 -0400
Subject: [PATCH 2148/3638] Add virtio disk identification support

Add virtio-blk device id (s/n) support via virtio request.

Signed-off-by: john cooper <john.cooper@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/block/virtio_blk.c | 30 ++++++++++++++++++++++++++++++
 include/linux/virtio_blk.h |  5 +++++
 2 files changed, 35 insertions(+)

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 2138a7ae050..759dee8330a 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -70,6 +70,8 @@ static void blk_done(struct virtqueue *vq)
 			vbr->req->sense_len = vbr->in_hdr.sense_len;
 			vbr->req->errors = vbr->in_hdr.errors;
 		}
+		if (blk_special_request(vbr->req))
+			vbr->req->errors = (error != 0);
 
 		__blk_end_request_all(vbr->req, error);
 		list_del(&vbr->list);
@@ -103,6 +105,11 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
 		vbr->out_hdr.sector = 0;
 		vbr->out_hdr.ioprio = req_get_ioprio(vbr->req);
 		break;
+	case REQ_TYPE_SPECIAL:
+		vbr->out_hdr.type = VIRTIO_BLK_T_GET_ID;
+		vbr->out_hdr.sector = 0;
+		vbr->out_hdr.ioprio = req_get_ioprio(vbr->req);
+		break;
 	case REQ_TYPE_LINUX_BLOCK:
 		if (req->cmd[0] == REQ_LB_OP_FLUSH) {
 			vbr->out_hdr.type = VIRTIO_BLK_T_FLUSH;
@@ -189,6 +196,29 @@ static void virtblk_prepare_flush(struct request_queue *q, struct request *req)
 	req->cmd[0] = REQ_LB_OP_FLUSH;
 }
 
+/* return id (s/n) string for *disk to *id_str
+ */
+static int virtblk_get_id(struct gendisk *disk, char *id_str)
+{
+	struct virtio_blk *vblk = disk->private_data;
+	struct request *req;
+	struct bio *bio;
+
+	bio = bio_map_kern(vblk->disk->queue, id_str, VIRTIO_BLK_ID_BYTES,
+			   GFP_KERNEL);
+	if (IS_ERR(bio))
+		return PTR_ERR(bio);
+
+	req = blk_make_request(vblk->disk->queue, bio, GFP_KERNEL);
+	if (IS_ERR(req)) {
+		bio_put(bio);
+		return PTR_ERR(req);
+	}
+
+	req->cmd_type = REQ_TYPE_SPECIAL;
+	return blk_execute_rq(vblk->disk->queue, vblk->disk, req, false);
+}
+
 static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
 			 unsigned cmd, unsigned long data)
 {
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index e52029e9891..167720d695e 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -17,6 +17,8 @@
 #define VIRTIO_BLK_F_FLUSH	9	/* Cache flush command support */
 #define VIRTIO_BLK_F_TOPOLOGY	10	/* Topology information is available */
 
+#define VIRTIO_BLK_ID_BYTES	20	/* ID string length */
+
 struct virtio_blk_config {
 	/* The capacity (in 512-byte sectors). */
 	__u64 capacity;
@@ -67,6 +69,9 @@ struct virtio_blk_config {
 /* Cache flush command */
 #define VIRTIO_BLK_T_FLUSH	4
 
+/* Get device ID command */
+#define VIRTIO_BLK_T_GET_ID    8
+
 /* Barrier before this op. */
 #define VIRTIO_BLK_T_BARRIER	0x80000000
 

From 234f2725a5d03f78539f1d36cb32f2c4f9b1822c Mon Sep 17 00:00:00 2001
From: john cooper <john.cooper@redhat.com>
Date: Thu, 25 Mar 2010 01:34:02 -0400
Subject: [PATCH 2149/3638] Add virtio disk identification ioctl

Return serial string to the guest application via
ioctl driver call.

Note this form of interface to the guest userland
was the consensus when the prior version using
the ATA_IDENTIFY came under dispute.

Signed-off-by: john cooper <john.cooper@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/block/virtio_blk.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 759dee8330a..67dcb193ab2 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -225,6 +225,16 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
 	struct gendisk *disk = bdev->bd_disk;
 	struct virtio_blk *vblk = disk->private_data;
 
+	if (cmd == 'VBID') {
+		void __user *usr_data = (void __user *)data;
+		char id_str[VIRTIO_BLK_ID_BYTES];
+		int err;
+
+		err = virtblk_get_id(disk, id_str);
+		if (!err && copy_to_user(usr_data, id_str, VIRTIO_BLK_ID_BYTES))
+			err = -EFAULT;
+		return err;
+	}
 	/*
 	 * Only allow the generic SCSI ioctls if the host can support it.
 	 */

From bdb4a1305723f985249210a803105dbc48e86b64 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 19 May 2010 22:15:40 -0600
Subject: [PATCH 2150/3638] virtio_blk: remove multichar constant.

drivers/block/virtio_blk.c:228:13: warning: multi-character character constant

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: john cooper <john.cooper@redhat.com>
---
 drivers/block/virtio_blk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 67dcb193ab2..e32b24b7a3a 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -225,7 +225,7 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
 	struct gendisk *disk = bdev->bd_disk;
 	struct virtio_blk *vblk = disk->private_data;
 
-	if (cmd == 'VBID') {
+	if (cmd == 0x56424944) { /* 'VBID' */
 		void __user *usr_data = (void __user *)data;
 		char id_str[VIRTIO_BLK_ID_BYTES];
 		int err;

From 316f25f5b3d547ce892d370f99f08a27276896ff Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Mon, 12 Apr 2010 16:18:25 +0300
Subject: [PATCH 2151/3638] virtio: add virtqueue_ vq_ops wrappers

Add inline functions that wrap vq->vq_ops-> calls

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 include/linux/virtio.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 40d1709bdbf..18ccc686a42 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -77,6 +77,40 @@ struct virtqueue_ops {
 	void *(*detach_unused_buf)(struct virtqueue *vq);
 };
 
+static inline int virtqueue_add_buf(struct virtqueue *vq,
+				    struct scatterlist sg[],
+				    unsigned int out_num,
+				    unsigned int in_num,
+				    void *data)
+{
+	return vq->vq_ops->add_buf(vq, sg, out_num, in_num, data);
+}
+
+static inline int void virtqueue_kick(struct virtqueue *vq)
+{
+	return vq->vq_ops->kick(vq);
+}
+
+static inline void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len)
+{
+	return vq->vq_ops->get_buf(vq, len);
+}
+
+static inline void virtqueue_disable_cb(struct virtqueue *vq)
+{
+	vq->vq_ops->disable_cb(vq);
+}
+
+static inline bool virtqueue_enable_cb(struct virtqueue *vq)
+{
+	return vq->vq_ops->enable_cb(vq);
+}
+
+static inline void *virtqueue_detach_unused_buf(struct virtqueue *vq)
+{
+	return vq->vq_ops->detach_unused_buf(vq);
+}
+
 /**
  * virtio_device - representation of a device using virtio
  * @index: unique position on the virtio bus

From 946cfe0e05664543b22ed674fff3764f41a372c7 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Mon, 12 Apr 2010 16:18:28 +0300
Subject: [PATCH 2152/3638] virtio_balloon: use virtqueue_xxx wrappers

Switch virtio_balloon to new virtqueue_xxx wrappers.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/virtio/virtio_balloon.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index bfec7c29486..0f1da45ba47 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -75,7 +75,7 @@ static void balloon_ack(struct virtqueue *vq)
 	struct virtio_balloon *vb;
 	unsigned int len;
 
-	vb = vq->vq_ops->get_buf(vq, &len);
+	vb = virtqueue_get_buf(vq, &len);
 	if (vb)
 		complete(&vb->acked);
 }
@@ -89,9 +89,9 @@ static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq)
 	init_completion(&vb->acked);
 
 	/* We should always be able to add one buffer to an empty queue. */
-	if (vq->vq_ops->add_buf(vq, &sg, 1, 0, vb) < 0)
+	if (virtqueue_add_buf(vq, &sg, 1, 0, vb) < 0)
 		BUG();
-	vq->vq_ops->kick(vq);
+	virtqueue_kick(vq);
 
 	/* When host has read buffer, this completes via balloon_ack */
 	wait_for_completion(&vb->acked);
@@ -204,7 +204,7 @@ static void stats_request(struct virtqueue *vq)
 	struct virtio_balloon *vb;
 	unsigned int len;
 
-	vb = vq->vq_ops->get_buf(vq, &len);
+	vb = virtqueue_get_buf(vq, &len);
 	if (!vb)
 		return;
 	vb->need_stats_update = 1;
@@ -221,9 +221,9 @@ static void stats_handle_request(struct virtio_balloon *vb)
 
 	vq = vb->stats_vq;
 	sg_init_one(&sg, vb->stats, sizeof(vb->stats));
-	if (vq->vq_ops->add_buf(vq, &sg, 1, 0, vb) < 0)
+	if (virtqueue_add_buf(vq, &sg, 1, 0, vb) < 0)
 		BUG();
-	vq->vq_ops->kick(vq);
+	virtqueue_kick(vq);
 }
 
 static void virtballoon_changed(struct virtio_device *vdev)
@@ -314,10 +314,9 @@ static int virtballoon_probe(struct virtio_device *vdev)
 		 * use it to signal us later.
 		 */
 		sg_init_one(&sg, vb->stats, sizeof vb->stats);
-		if (vb->stats_vq->vq_ops->add_buf(vb->stats_vq,
-						  &sg, 1, 0, vb) < 0)
+		if (virtqueue_add_buf(vb->stats_vq, &sg, 1, 0, vb) < 0)
 			BUG();
-		vb->stats_vq->vq_ops->kick(vb->stats_vq);
+		virtqueue_kick(vb->stats_vq);
 	}
 
 	vb->thread = kthread_run(balloon, vb, "vballoon");

From 505b0451c47699ca63db70bd5ec3bba187ec4bfd Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Mon, 12 Apr 2010 16:18:32 +0300
Subject: [PATCH 2153/3638] virtio_console: use virtqueue_xxx wrappers

Switch virtio_console to new virtqueue_xxx wrappers.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 196428c2287..48ce834306b 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -328,7 +328,7 @@ static void *get_inbuf(struct port *port)
 	unsigned int len;
 
 	vq = port->in_vq;
-	buf = vq->vq_ops->get_buf(vq, &len);
+	buf = virtqueue_get_buf(vq, &len);
 	if (buf) {
 		buf->len = len;
 		buf->offset = 0;
@@ -349,8 +349,8 @@ static int add_inbuf(struct virtqueue *vq, struct port_buffer *buf)
 
 	sg_init_one(sg, buf->buf, buf->size);
 
-	ret = vq->vq_ops->add_buf(vq, sg, 0, 1, buf);
-	vq->vq_ops->kick(vq);
+	ret = virtqueue_add_buf(vq, sg, 0, 1, buf);
+	virtqueue_kick(vq);
 	return ret;
 }
 
@@ -366,7 +366,7 @@ static void discard_port_data(struct port *port)
 	if (port->inbuf)
 		buf = port->inbuf;
 	else
-		buf = vq->vq_ops->get_buf(vq, &len);
+		buf = virtqueue_get_buf(vq, &len);
 
 	ret = 0;
 	while (buf) {
@@ -374,7 +374,7 @@ static void discard_port_data(struct port *port)
 			ret++;
 			free_buf(buf);
 		}
-		buf = vq->vq_ops->get_buf(vq, &len);
+		buf = virtqueue_get_buf(vq, &len);
 	}
 	port->inbuf = NULL;
 	if (ret)
@@ -421,9 +421,9 @@ static ssize_t send_control_msg(struct port *port, unsigned int event,
 	vq = port->portdev->c_ovq;
 
 	sg_init_one(sg, &cpkt, sizeof(cpkt));
-	if (vq->vq_ops->add_buf(vq, sg, 1, 0, &cpkt) >= 0) {
-		vq->vq_ops->kick(vq);
-		while (!vq->vq_ops->get_buf(vq, &len))
+	if (virtqueue_add_buf(vq, sg, 1, 0, &cpkt) >= 0) {
+		virtqueue_kick(vq);
+		while (!virtqueue_get_buf(vq, &len))
 			cpu_relax();
 	}
 	return 0;
@@ -439,10 +439,10 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count)
 	out_vq = port->out_vq;
 
 	sg_init_one(sg, in_buf, in_count);
-	ret = out_vq->vq_ops->add_buf(out_vq, sg, 1, 0, in_buf);
+	ret = virtqueue_add_buf(out_vq, sg, 1, 0, in_buf);
 
 	/* Tell Host to go! */
-	out_vq->vq_ops->kick(out_vq);
+	virtqueue_kick(out_vq);
 
 	if (ret < 0) {
 		in_count = 0;
@@ -450,7 +450,7 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count)
 	}
 
 	/* Wait till the host acknowledges it pushed out the data we sent. */
-	while (!out_vq->vq_ops->get_buf(out_vq, &len))
+	while (!virtqueue_get_buf(out_vq, &len))
 		cpu_relax();
 fail:
 	/* We're expected to return the amount of data we wrote */
@@ -901,7 +901,7 @@ static int remove_port(struct port *port)
 	discard_port_data(port);
 
 	/* Remove buffers we queued up for the Host to send us data in. */
-	while ((buf = port->in_vq->vq_ops->detach_unused_buf(port->in_vq)))
+	while ((buf = virtqueue_detach_unused_buf(port->in_vq)))
 		free_buf(buf);
 
 	kfree(port->name);
@@ -1030,7 +1030,7 @@ static void control_work_handler(struct work_struct *work)
 	vq = portdev->c_ivq;
 
 	spin_lock(&portdev->cvq_lock);
-	while ((buf = vq->vq_ops->get_buf(vq, &len))) {
+	while ((buf = virtqueue_get_buf(vq, &len))) {
 		spin_unlock(&portdev->cvq_lock);
 
 		buf->len = len;
@@ -1224,7 +1224,7 @@ static int add_port(struct ports_device *portdev, u32 id)
 	return 0;
 
 free_inbufs:
-	while ((buf = port->in_vq->vq_ops->detach_unused_buf(port->in_vq)))
+	while ((buf = virtqueue_detach_unused_buf(port->in_vq)))
 		free_buf(buf);
 free_device:
 	device_destroy(pdrvdata.class, port->dev->devt);
@@ -1536,10 +1536,10 @@ static void virtcons_remove(struct virtio_device *vdev)
 
 	unregister_chrdev(portdev->chr_major, "virtio-portsdev");
 
-	while ((buf = portdev->c_ivq->vq_ops->get_buf(portdev->c_ivq, &len)))
+	while ((buf = virtqueue_get_buf(portdev->c_ivq, &len)))
 		free_buf(buf);
 
-	while ((buf = portdev->c_ivq->vq_ops->detach_unused_buf(portdev->c_ivq)))
+	while ((buf = virtqueue_detach_unused_buf(portdev->c_ivq)))
 		free_buf(buf);
 
 	vdev->config->del_vqs(vdev);

From 09ec6b69d2b97d6fca16cfe91b4634506f4db0a7 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Mon, 12 Apr 2010 16:18:36 +0300
Subject: [PATCH 2154/3638] virtio_blk: use virtqueue_xxx wrappers

Switch virtio_blk to new virtqueue_xxx wrappers.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/block/virtio_blk.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index e32b24b7a3a..83fa09a836c 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -50,7 +50,7 @@ static void blk_done(struct virtqueue *vq)
 	unsigned long flags;
 
 	spin_lock_irqsave(&vblk->lock, flags);
-	while ((vbr = vblk->vq->vq_ops->get_buf(vblk->vq, &len)) != NULL) {
+	while ((vbr = virtqueue_get_buf(vblk->vq, &len)) != NULL) {
 		int error;
 
 		switch (vbr->status) {
@@ -158,7 +158,7 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
 		}
 	}
 
-	if (vblk->vq->vq_ops->add_buf(vblk->vq, vblk->sg, out, in, vbr) < 0) {
+	if (virtqueue_add_buf(vblk->vq, vblk->sg, out, in, vbr) < 0) {
 		mempool_free(vbr, vblk->pool);
 		return false;
 	}
@@ -187,7 +187,7 @@ static void do_virtblk_request(struct request_queue *q)
 	}
 
 	if (issued)
-		vblk->vq->vq_ops->kick(vblk->vq);
+		virtqueue_kick(vblk->vq);
 }
 
 static void virtblk_prepare_flush(struct request_queue *q, struct request *req)

From 1915a712f210f0b63d10bc4f875e8e66aac7a2c4 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Mon, 12 Apr 2010 16:19:04 +0300
Subject: [PATCH 2155/3638] virtio_net: use virtqueue_xxx wrappers

Switch virtio_net to new virtqueue_xxx wrappers.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/net/virtio_net.c | 46 ++++++++++++++++++++--------------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index b0577dd1a42..91738d83dbd 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -119,7 +119,7 @@ static void skb_xmit_done(struct virtqueue *svq)
 	struct virtnet_info *vi = svq->vdev->priv;
 
 	/* Suppress further interrupts. */
-	svq->vq_ops->disable_cb(svq);
+	virtqueue_disable_cb(svq);
 
 	/* We were probably waiting for more output buffers. */
 	netif_wake_queue(vi->dev);
@@ -207,7 +207,7 @@ static int receive_mergeable(struct virtnet_info *vi, struct sk_buff *skb)
 			return -EINVAL;
 		}
 
-		page = vi->rvq->vq_ops->get_buf(vi->rvq, &len);
+		page = virtqueue_get_buf(vi->rvq, &len);
 		if (!page) {
 			pr_debug("%s: rx error: %d buffers missing\n",
 				 skb->dev->name, hdr->mhdr.num_buffers);
@@ -339,7 +339,7 @@ static int add_recvbuf_small(struct virtnet_info *vi, gfp_t gfp)
 
 	skb_to_sgvec(skb, sg + 1, 0, skb->len);
 
-	err = vi->rvq->vq_ops->add_buf(vi->rvq, sg, 0, 2, skb);
+	err = virtqueue_add_buf(vi->rvq, sg, 0, 2, skb);
 	if (err < 0)
 		dev_kfree_skb(skb);
 
@@ -386,7 +386,7 @@ static int add_recvbuf_big(struct virtnet_info *vi, gfp_t gfp)
 
 	/* chain first in list head */
 	first->private = (unsigned long)list;
-	err = vi->rvq->vq_ops->add_buf(vi->rvq, sg, 0, MAX_SKB_FRAGS + 2,
+	err = virtqueue_add_buf(vi->rvq, sg, 0, MAX_SKB_FRAGS + 2,
 				       first);
 	if (err < 0)
 		give_pages(vi, first);
@@ -406,7 +406,7 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi, gfp_t gfp)
 
 	sg_init_one(&sg, page_address(page), PAGE_SIZE);
 
-	err = vi->rvq->vq_ops->add_buf(vi->rvq, &sg, 0, 1, page);
+	err = virtqueue_add_buf(vi->rvq, &sg, 0, 1, page);
 	if (err < 0)
 		give_pages(vi, page);
 
@@ -435,7 +435,7 @@ static bool try_fill_recv(struct virtnet_info *vi, gfp_t gfp)
 	} while (err > 0);
 	if (unlikely(vi->num > vi->max))
 		vi->max = vi->num;
-	vi->rvq->vq_ops->kick(vi->rvq);
+	virtqueue_kick(vi->rvq);
 	return !oom;
 }
 
@@ -444,7 +444,7 @@ static void skb_recv_done(struct virtqueue *rvq)
 	struct virtnet_info *vi = rvq->vdev->priv;
 	/* Schedule NAPI, Suppress further interrupts if successful. */
 	if (napi_schedule_prep(&vi->napi)) {
-		rvq->vq_ops->disable_cb(rvq);
+		virtqueue_disable_cb(rvq);
 		__napi_schedule(&vi->napi);
 	}
 }
@@ -473,7 +473,7 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
 
 again:
 	while (received < budget &&
-	       (buf = vi->rvq->vq_ops->get_buf(vi->rvq, &len)) != NULL) {
+	       (buf = virtqueue_get_buf(vi->rvq, &len)) != NULL) {
 		receive_buf(vi->dev, buf, len);
 		--vi->num;
 		received++;
@@ -487,9 +487,9 @@ again:
 	/* Out of packets? */
 	if (received < budget) {
 		napi_complete(napi);
-		if (unlikely(!vi->rvq->vq_ops->enable_cb(vi->rvq)) &&
+		if (unlikely(!virtqueue_enable_cb(vi->rvq)) &&
 		    napi_schedule_prep(napi)) {
-			vi->rvq->vq_ops->disable_cb(vi->rvq);
+			virtqueue_disable_cb(vi->rvq);
 			__napi_schedule(napi);
 			goto again;
 		}
@@ -503,7 +503,7 @@ static unsigned int free_old_xmit_skbs(struct virtnet_info *vi)
 	struct sk_buff *skb;
 	unsigned int len, tot_sgs = 0;
 
-	while ((skb = vi->svq->vq_ops->get_buf(vi->svq, &len)) != NULL) {
+	while ((skb = virtqueue_get_buf(vi->svq, &len)) != NULL) {
 		pr_debug("Sent skb %p\n", skb);
 		vi->dev->stats.tx_bytes += skb->len;
 		vi->dev->stats.tx_packets++;
@@ -559,7 +559,7 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
 		sg_set_buf(sg, &hdr->hdr, sizeof hdr->hdr);
 
 	hdr->num_sg = skb_to_sgvec(skb, sg+1, 0, skb->len) + 1;
-	return vi->svq->vq_ops->add_buf(vi->svq, sg, hdr->num_sg, 0, skb);
+	return virtqueue_add_buf(vi->svq, sg, hdr->num_sg, 0, skb);
 }
 
 static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -578,14 +578,14 @@ again:
 	if (unlikely(capacity < 0)) {
 		netif_stop_queue(dev);
 		dev_warn(&dev->dev, "Unexpected full queue\n");
-		if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) {
-			vi->svq->vq_ops->disable_cb(vi->svq);
+		if (unlikely(!virtqueue_enable_cb(vi->svq))) {
+			virtqueue_disable_cb(vi->svq);
 			netif_start_queue(dev);
 			goto again;
 		}
 		return NETDEV_TX_BUSY;
 	}
-	vi->svq->vq_ops->kick(vi->svq);
+	virtqueue_kick(vi->svq);
 
 	/* Don't wait up for transmitted skbs to be freed. */
 	skb_orphan(skb);
@@ -595,12 +595,12 @@ again:
 	 * before it gets out of hand.  Naturally, this wastes entries. */
 	if (capacity < 2+MAX_SKB_FRAGS) {
 		netif_stop_queue(dev);
-		if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) {
+		if (unlikely(!virtqueue_enable_cb(vi->svq))) {
 			/* More just got used, free them then recheck. */
 			capacity += free_old_xmit_skbs(vi);
 			if (capacity >= 2+MAX_SKB_FRAGS) {
 				netif_start_queue(dev);
-				vi->svq->vq_ops->disable_cb(vi->svq);
+				virtqueue_disable_cb(vi->svq);
 			}
 		}
 	}
@@ -645,7 +645,7 @@ static int virtnet_open(struct net_device *dev)
 	 * now.  virtnet_poll wants re-enable the queue, so we disable here.
 	 * We synchronize against interrupts via NAPI_STATE_SCHED */
 	if (napi_schedule_prep(&vi->napi)) {
-		vi->rvq->vq_ops->disable_cb(vi->rvq);
+		virtqueue_disable_cb(vi->rvq);
 		__napi_schedule(&vi->napi);
 	}
 	return 0;
@@ -682,15 +682,15 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd,
 		sg_set_buf(&sg[i + 1], sg_virt(s), s->length);
 	sg_set_buf(&sg[out + in - 1], &status, sizeof(status));
 
-	BUG_ON(vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi) < 0);
+	BUG_ON(virtqueue_add_buf(vi->cvq, sg, out, in, vi) < 0);
 
-	vi->cvq->vq_ops->kick(vi->cvq);
+	virtqueue_kick(vi->cvq);
 
 	/*
 	 * Spin for a response, the kick causes an ioport write, trapping
 	 * into the hypervisor, so the request should be handled immediately.
 	 */
-	while (!vi->cvq->vq_ops->get_buf(vi->cvq, &tmp))
+	while (!virtqueue_get_buf(vi->cvq, &tmp))
 		cpu_relax();
 
 	return status == VIRTIO_NET_OK;
@@ -1006,13 +1006,13 @@ static void free_unused_bufs(struct virtnet_info *vi)
 {
 	void *buf;
 	while (1) {
-		buf = vi->svq->vq_ops->detach_unused_buf(vi->svq);
+		buf = virtqueue_detach_unused_buf(vi->svq);
 		if (!buf)
 			break;
 		dev_kfree_skb(buf);
 	}
 	while (1) {
-		buf = vi->rvq->vq_ops->detach_unused_buf(vi->rvq);
+		buf = virtqueue_detach_unused_buf(vi->rvq);
 		if (!buf)
 			break;
 		if (vi->mergeable_rx_bufs || vi->big_packets)

From 7c5e9ed0c84e7d70d887878574590638d5572659 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Mon, 12 Apr 2010 16:19:07 +0300
Subject: [PATCH 2156/3638] virtio_ring: remove a level of indirection

We have a single virtqueue_ops implementation,
and it seems unlikely we'll get another one
at this point. So let's remove an unnecessary
level of indirection: it would be very easy to
re-add it if another implementation surfaces.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/virtio/virtio_ring.c | 36 ++++++++----------
 include/linux/virtio.h       | 71 +++++++++---------------------------
 2 files changed, 34 insertions(+), 73 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 0f90634bcb8..0717b5b000b 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -155,11 +155,11 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
 	return head;
 }
 
-static int vring_add_buf(struct virtqueue *_vq,
-			 struct scatterlist sg[],
-			 unsigned int out,
-			 unsigned int in,
-			 void *data)
+int virtqueue_add_buf(struct virtqueue *_vq,
+		  struct scatterlist sg[],
+		  unsigned int out,
+		  unsigned int in,
+		  void *data)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 	unsigned int i, avail, head, uninitialized_var(prev);
@@ -232,8 +232,9 @@ add_head:
 		return vq->num_free ? vq->vring.num : 0;
 	return vq->num_free;
 }
+EXPORT_SYMBOL_GPL(virtqueue_add_buf);
 
-static void vring_kick(struct virtqueue *_vq)
+void virtqueue_kick(struct virtqueue *_vq)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 	START_USE(vq);
@@ -253,6 +254,7 @@ static void vring_kick(struct virtqueue *_vq)
 
 	END_USE(vq);
 }
+EXPORT_SYMBOL_GPL(virtqueue_kick);
 
 static void detach_buf(struct vring_virtqueue *vq, unsigned int head)
 {
@@ -284,7 +286,7 @@ static inline bool more_used(const struct vring_virtqueue *vq)
 	return vq->last_used_idx != vq->vring.used->idx;
 }
 
-static void *vring_get_buf(struct virtqueue *_vq, unsigned int *len)
+void *virtqueue_get_buf(struct virtqueue *_vq, unsigned int *len)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 	void *ret;
@@ -325,15 +327,17 @@ static void *vring_get_buf(struct virtqueue *_vq, unsigned int *len)
 	END_USE(vq);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(virtqueue_get_buf);
 
-static void vring_disable_cb(struct virtqueue *_vq)
+void virtqueue_disable_cb(struct virtqueue *_vq)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 
 	vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
 }
+EXPORT_SYMBOL_GPL(virtqueue_disable_cb);
 
-static bool vring_enable_cb(struct virtqueue *_vq)
+bool virtqueue_enable_cb(struct virtqueue *_vq)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 
@@ -351,8 +355,9 @@ static bool vring_enable_cb(struct virtqueue *_vq)
 	END_USE(vq);
 	return true;
 }
+EXPORT_SYMBOL_GPL(virtqueue_enable_cb);
 
-static void *vring_detach_unused_buf(struct virtqueue *_vq)
+void *virtqueue_detach_unused_buf(struct virtqueue *_vq)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 	unsigned int i;
@@ -375,6 +380,7 @@ static void *vring_detach_unused_buf(struct virtqueue *_vq)
 	END_USE(vq);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(virtqueue_detach_unused_buf);
 
 irqreturn_t vring_interrupt(int irq, void *_vq)
 {
@@ -396,15 +402,6 @@ irqreturn_t vring_interrupt(int irq, void *_vq)
 }
 EXPORT_SYMBOL_GPL(vring_interrupt);
 
-static struct virtqueue_ops vring_vq_ops = {
-	.add_buf = vring_add_buf,
-	.get_buf = vring_get_buf,
-	.kick = vring_kick,
-	.disable_cb = vring_disable_cb,
-	.enable_cb = vring_enable_cb,
-	.detach_unused_buf = vring_detach_unused_buf,
-};
-
 struct virtqueue *vring_new_virtqueue(unsigned int num,
 				      unsigned int vring_align,
 				      struct virtio_device *vdev,
@@ -429,7 +426,6 @@ struct virtqueue *vring_new_virtqueue(unsigned int num,
 	vring_init(&vq->vring, num, pages, vring_align);
 	vq->vq.callback = callback;
 	vq->vq.vdev = vdev;
-	vq->vq.vq_ops = &vring_vq_ops;
 	vq->vq.name = name;
 	vq->notify = notify;
 	vq->broken = false;
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 18ccc686a42..5b0fce0d2aa 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -14,7 +14,6 @@
  * @callback: the function to call when buffers are consumed (can be NULL).
  * @name: the name of this virtqueue (mainly for debugging)
  * @vdev: the virtio device this queue was created for.
- * @vq_ops: the operations for this virtqueue (see below).
  * @priv: a pointer for the virtqueue implementation to use.
  */
 struct virtqueue {
@@ -22,94 +21,60 @@ struct virtqueue {
 	void (*callback)(struct virtqueue *vq);
 	const char *name;
 	struct virtio_device *vdev;
-	struct virtqueue_ops *vq_ops;
 	void *priv;
 };
 
 /**
- * virtqueue_ops - operations for virtqueue abstraction layer
- * @add_buf: expose buffer to other end
+ * operations for virtqueue
+ * virtqueue_add_buf: expose buffer to other end
  *	vq: the struct virtqueue we're talking about.
  *	sg: the description of the buffer(s).
  *	out_num: the number of sg readable by other side
  *	in_num: the number of sg which are writable (after readable ones)
  *	data: the token identifying the buffer.
  *      Returns remaining capacity of queue (sg segments) or a negative error.
- * @kick: update after add_buf
+ * virtqueue_kick: update after add_buf
  *	vq: the struct virtqueue
  *	After one or more add_buf calls, invoke this to kick the other side.
- * @get_buf: get the next used buffer
+ * virtqueue_get_buf: get the next used buffer
  *	vq: the struct virtqueue we're talking about.
  *	len: the length written into the buffer
  *	Returns NULL or the "data" token handed to add_buf.
- * @disable_cb: disable callbacks
+ * virtqueue_disable_cb: disable callbacks
  *	vq: the struct virtqueue we're talking about.
  *	Note that this is not necessarily synchronous, hence unreliable and only
  *	useful as an optimization.
- * @enable_cb: restart callbacks after disable_cb.
+ * virtqueue_enable_cb: restart callbacks after disable_cb.
  *	vq: the struct virtqueue we're talking about.
  *	This re-enables callbacks; it returns "false" if there are pending
  *	buffers in the queue, to detect a possible race between the driver
  *	checking for more work, and enabling callbacks.
- * @detach_unused_buf: detach first unused buffer
+ * virtqueue_detach_unused_buf: detach first unused buffer
  * 	vq: the struct virtqueue we're talking about.
  * 	Returns NULL or the "data" token handed to add_buf
  *
  * Locking rules are straightforward: the driver is responsible for
  * locking.  No two operations may be invoked simultaneously, with the exception
- * of @disable_cb.
+ * of virtqueue_disable_cb.
  *
  * All operations can be called in any context.
  */
-struct virtqueue_ops {
-	int (*add_buf)(struct virtqueue *vq,
-		       struct scatterlist sg[],
-		       unsigned int out_num,
-		       unsigned int in_num,
-		       void *data);
 
-	void (*kick)(struct virtqueue *vq);
+int virtqueue_add_buf(struct virtqueue *vq,
+		      struct scatterlist sg[],
+		      unsigned int out_num,
+		      unsigned int in_num,
+		      void *data);
 
-	void *(*get_buf)(struct virtqueue *vq, unsigned int *len);
+void virtqueue_kick(struct virtqueue *vq);
 
-	void (*disable_cb)(struct virtqueue *vq);
-	bool (*enable_cb)(struct virtqueue *vq);
-	void *(*detach_unused_buf)(struct virtqueue *vq);
-};
+void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len);
 
-static inline int virtqueue_add_buf(struct virtqueue *vq,
-				    struct scatterlist sg[],
-				    unsigned int out_num,
-				    unsigned int in_num,
-				    void *data)
-{
-	return vq->vq_ops->add_buf(vq, sg, out_num, in_num, data);
-}
+void virtqueue_disable_cb(struct virtqueue *vq);
 
-static inline int void virtqueue_kick(struct virtqueue *vq)
-{
-	return vq->vq_ops->kick(vq);
-}
+bool virtqueue_enable_cb(struct virtqueue *vq);
 
-static inline void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len)
-{
-	return vq->vq_ops->get_buf(vq, len);
-}
-
-static inline void virtqueue_disable_cb(struct virtqueue *vq)
-{
-	vq->vq_ops->disable_cb(vq);
-}
-
-static inline bool virtqueue_enable_cb(struct virtqueue *vq)
-{
-	return vq->vq_ops->enable_cb(vq);
-}
-
-static inline void *virtqueue_detach_unused_buf(struct virtqueue *vq)
-{
-	return vq->vq_ops->detach_unused_buf(vq);
-}
+void *virtqueue_detach_unused_buf(struct virtqueue *vq);
 
 /**
  * virtio_device - representation of a device using virtio

From 28cfc828e7e1efc620df70b99519784333abcffd Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Tue, 13 Apr 2010 16:11:42 +0300
Subject: [PATCH 2157/3638] virtio-rng: use virtqueue_xxx wrappers

Switch virtio-rng to new virtqueue_xxx wrappers.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/hw_random/virtio-rng.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index 64fe0a793ef..75f1cbd61c1 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -32,7 +32,7 @@ static bool busy;
 static void random_recv_done(struct virtqueue *vq)
 {
 	/* We can get spurious callbacks, e.g. shared IRQs + virtio_pci. */
-	if (!vq->vq_ops->get_buf(vq, &data_avail))
+	if (!virtqueue_get_buf(vq, &data_avail))
 		return;
 
 	complete(&have_data);
@@ -46,10 +46,10 @@ static void register_buffer(u8 *buf, size_t size)
 	sg_init_one(&sg, buf, size);
 
 	/* There should always be room for one buffer. */
-	if (vq->vq_ops->add_buf(vq, &sg, 0, 1, buf) < 0)
+	if (virtqueue_add_buf(vq, &sg, 0, 1, buf) < 0)
 		BUG();
 
-	vq->vq_ops->kick(vq);
+	virtqueue_kick(vq);
 }
 
 static int virtio_read(struct hwrng *rng, void *buf, size_t size, bool wait)

From dc3f5e68f846eec38fb31d78f0b6e83633ad375e Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Tue, 13 Apr 2010 16:11:50 +0300
Subject: [PATCH 2158/3638] trans_virtio: use virtqueue_xxx wrappers

Switch trans_virtio to new virtqueue_xxx wrappers.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 net/9p/trans_virtio.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 7eb78ecc161..dcfbe99ff81 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -137,7 +137,7 @@ static void req_done(struct virtqueue *vq)
 
 	P9_DPRINTK(P9_DEBUG_TRANS, ": request done\n");
 
-	while ((rc = chan->vq->vq_ops->get_buf(chan->vq, &len)) != NULL) {
+	while ((rc = virtqueue_get_buf(chan->vq, &len)) != NULL) {
 		P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc);
 		P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag);
 		req = p9_tag_lookup(chan->client, rc->tag);
@@ -209,13 +209,13 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
 
 	req->status = REQ_STATUS_SENT;
 
-	if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, req->tc) < 0) {
+	if (virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc) < 0) {
 		P9_DPRINTK(P9_DEBUG_TRANS,
 			"9p debug: virtio rpc add_buf returned failure");
 		return -EIO;
 	}
 
-	chan->vq->vq_ops->kick(chan->vq);
+	virtqueue_kick(chan->vq);
 
 	P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request kicked\n");
 	return 0;

From bbd603efb4238cf78083c00f0a81adfa8994aa33 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Thu, 29 Apr 2010 17:26:37 +0300
Subject: [PATCH 2159/3638] virtio: add_buf_gfp

Add an add_buf variant that gets gfp parameter. Use that
to allocate indirect buffers.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/virtio/virtio_ring.c | 20 +++++++++++---------
 include/linux/virtio.h       | 22 +++++++++++++++++-----
 2 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 0717b5b000b..1ca88908723 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -110,13 +110,14 @@ struct vring_virtqueue
 static int vring_add_indirect(struct vring_virtqueue *vq,
 			      struct scatterlist sg[],
 			      unsigned int out,
-			      unsigned int in)
+			      unsigned int in,
+			      gfp_t gfp)
 {
 	struct vring_desc *desc;
 	unsigned head;
 	int i;
 
-	desc = kmalloc((out + in) * sizeof(struct vring_desc), GFP_ATOMIC);
+	desc = kmalloc((out + in) * sizeof(struct vring_desc), gfp);
 	if (!desc)
 		return vq->vring.num;
 
@@ -155,11 +156,12 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
 	return head;
 }
 
-int virtqueue_add_buf(struct virtqueue *_vq,
-		  struct scatterlist sg[],
-		  unsigned int out,
-		  unsigned int in,
-		  void *data)
+int virtqueue_add_buf_gfp(struct virtqueue *_vq,
+			  struct scatterlist sg[],
+			  unsigned int out,
+			  unsigned int in,
+			  void *data,
+			  gfp_t gfp)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 	unsigned int i, avail, head, uninitialized_var(prev);
@@ -171,7 +173,7 @@ int virtqueue_add_buf(struct virtqueue *_vq,
 	/* If the host supports indirect descriptor tables, and we have multiple
 	 * buffers, then go indirect. FIXME: tune this threshold */
 	if (vq->indirect && (out + in) > 1 && vq->num_free) {
-		head = vring_add_indirect(vq, sg, out, in);
+		head = vring_add_indirect(vq, sg, out, in, gfp);
 		if (head != vq->vring.num)
 			goto add_head;
 	}
@@ -232,7 +234,7 @@ add_head:
 		return vq->num_free ? vq->vring.num : 0;
 	return vq->num_free;
 }
-EXPORT_SYMBOL_GPL(virtqueue_add_buf);
+EXPORT_SYMBOL_GPL(virtqueue_add_buf_gfp);
 
 void virtqueue_kick(struct virtqueue *_vq)
 {
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 5b0fce0d2aa..aff5b4f7404 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -7,6 +7,7 @@
 #include <linux/spinlock.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
+#include <linux/gfp.h>
 
 /**
  * virtqueue - a queue to register buffers for sending or receiving.
@@ -32,6 +33,7 @@ struct virtqueue {
  *	out_num: the number of sg readable by other side
  *	in_num: the number of sg which are writable (after readable ones)
  *	data: the token identifying the buffer.
+ *	gfp: how to do memory allocations (if necessary).
  *      Returns remaining capacity of queue (sg segments) or a negative error.
  * virtqueue_kick: update after add_buf
  *	vq: the struct virtqueue
@@ -60,11 +62,21 @@ struct virtqueue {
  * All operations can be called in any context.
  */
 
-int virtqueue_add_buf(struct virtqueue *vq,
-		      struct scatterlist sg[],
-		      unsigned int out_num,
-		      unsigned int in_num,
-		      void *data);
+int virtqueue_add_buf_gfp(struct virtqueue *vq,
+			  struct scatterlist sg[],
+			  unsigned int out_num,
+			  unsigned int in_num,
+			  void *data,
+			  gfp_t gfp);
+
+static inline int virtqueue_add_buf(struct virtqueue *vq,
+				    struct scatterlist sg[],
+				    unsigned int out_num,
+				    unsigned int in_num,
+				    void *data)
+{
+	return virtqueue_add_buf_gfp(vq, sg, out_num, in_num, data, GFP_ATOMIC);
+}
 
 void virtqueue_kick(struct virtqueue *vq);
 

From b99fa815d71023b2e330d63cd7f47d6247ffa321 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:46 -0600
Subject: [PATCH 2160/3638] virtio: Revert "virtio: disable multiport console
 support."

This reverts commit b7a413015d2986edf020fba765c906cc9cbcbfc9.

Multiport support was disabled for 2.6.34 because we wanted to introduce
a new ABI and since we didn't have any released kernel with the older
ABI and were out of the merge window, it didn't make sense keeping the
older ABI around.

Now we revert the patch disabling multiport and rework the ABI in the
following patches.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c  | 49 ++++++----------------------------
 include/linux/virtio_console.h | 23 ++++++++++++++++
 2 files changed, 31 insertions(+), 41 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 48ce834306b..e53c52b904f 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -33,35 +33,6 @@
 #include <linux/workqueue.h>
 #include "hvc_console.h"
 
-/* Moved here from .h file in order to disable MULTIPORT. */
-#define VIRTIO_CONSOLE_F_MULTIPORT 1	/* Does host provide multiple ports? */
-
-struct virtio_console_multiport_conf {
-	struct virtio_console_config config;
-	/* max. number of ports this device can hold */
-	__u32 max_nr_ports;
-	/* number of ports added so far */
-	__u32 nr_ports;
-} __attribute__((packed));
-
-/*
- * A message that's passed between the Host and the Guest for a
- * particular port.
- */
-struct virtio_console_control {
-	__u32 id;		/* Port number */
-	__u16 event;		/* The kind of control event (see below) */
-	__u16 value;		/* Extra information for the key */
-};
-
-/* Some events for control messages */
-#define VIRTIO_CONSOLE_PORT_READY	0
-#define VIRTIO_CONSOLE_CONSOLE_PORT	1
-#define VIRTIO_CONSOLE_RESIZE		2
-#define VIRTIO_CONSOLE_PORT_OPEN	3
-#define VIRTIO_CONSOLE_PORT_NAME	4
-#define VIRTIO_CONSOLE_PORT_REMOVE	5
-
 /*
  * This is a global struct for storing common data for all the devices
  * this driver handles.
@@ -150,7 +121,7 @@ struct ports_device {
 	spinlock_t cvq_lock;
 
 	/* The current config space is stored here */
-	struct virtio_console_multiport_conf config;
+	struct virtio_console_config config;
 
 	/* The virtio device we're associated with */
 	struct virtio_device *vdev;
@@ -1243,7 +1214,7 @@ fail:
  */
 static void config_work_handler(struct work_struct *work)
 {
-	struct virtio_console_multiport_conf virtconconf;
+	struct virtio_console_config virtconconf;
 	struct ports_device *portdev;
 	struct virtio_device *vdev;
 	int err;
@@ -1252,8 +1223,7 @@ static void config_work_handler(struct work_struct *work)
 
 	vdev = portdev->vdev;
 	vdev->config->get(vdev,
-			  offsetof(struct virtio_console_multiport_conf,
-				   nr_ports),
+			  offsetof(struct virtio_console_config, nr_ports),
 			  &virtconconf.nr_ports,
 			  sizeof(virtconconf.nr_ports));
 
@@ -1445,19 +1415,16 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
 	multiport = false;
 	portdev->config.nr_ports = 1;
 	portdev->config.max_nr_ports = 1;
-#if 0 /* Multiport is not quite ready yet --RR */
 	if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_MULTIPORT)) {
 		multiport = true;
 		vdev->features[0] |= 1 << VIRTIO_CONSOLE_F_MULTIPORT;
 
-		vdev->config->get(vdev,
-				  offsetof(struct virtio_console_multiport_conf,
-					   nr_ports),
+		vdev->config->get(vdev, offsetof(struct virtio_console_config,
+						 nr_ports),
 				  &portdev->config.nr_ports,
 				  sizeof(portdev->config.nr_ports));
-		vdev->config->get(vdev,
-				  offsetof(struct virtio_console_multiport_conf,
-					   max_nr_ports),
+		vdev->config->get(vdev, offsetof(struct virtio_console_config,
+						 max_nr_ports),
 				  &portdev->config.max_nr_ports,
 				  sizeof(portdev->config.max_nr_ports));
 		if (portdev->config.nr_ports > portdev->config.max_nr_ports) {
@@ -1473,7 +1440,6 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
 
 	/* Let the Host know we support multiple ports.*/
 	vdev->config->finalize_features(vdev);
-#endif
 
 	err = init_vqs(portdev);
 	if (err < 0) {
@@ -1556,6 +1522,7 @@ static struct virtio_device_id id_table[] = {
 
 static unsigned int features[] = {
 	VIRTIO_CONSOLE_F_SIZE,
+	VIRTIO_CONSOLE_F_MULTIPORT,
 };
 
 static struct virtio_driver virtio_console = {
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index 92228a8fbcb..ae4f039515b 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -12,14 +12,37 @@
 
 /* Feature bits */
 #define VIRTIO_CONSOLE_F_SIZE	0	/* Does host provide console size? */
+#define VIRTIO_CONSOLE_F_MULTIPORT 1	/* Does host provide multiple ports? */
 
 struct virtio_console_config {
 	/* colums of the screens */
 	__u16 cols;
 	/* rows of the screens */
 	__u16 rows;
+	/* max. number of ports this device can hold */
+	__u32 max_nr_ports;
+	/* number of ports added so far */
+	__u32 nr_ports;
 } __attribute__((packed));
 
+/*
+ * A message that's passed between the Host and the Guest for a
+ * particular port.
+ */
+struct virtio_console_control {
+	__u32 id;		/* Port number */
+	__u16 event;		/* The kind of control event (see below) */
+	__u16 value;		/* Extra information for the key */
+};
+
+/* Some events for control messages */
+#define VIRTIO_CONSOLE_PORT_READY	0
+#define VIRTIO_CONSOLE_CONSOLE_PORT	1
+#define VIRTIO_CONSOLE_RESIZE		2
+#define VIRTIO_CONSOLE_PORT_OPEN	3
+#define VIRTIO_CONSOLE_PORT_NAME	4
+#define VIRTIO_CONSOLE_PORT_REMOVE	5
+
 #ifdef __KERNEL__
 int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));
 #endif /* __KERNEL__ */

From 3425e706bf6faa2965c4e99f39085f7367a8f4e2 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:46 -0600
Subject: [PATCH 2161/3638] virtio: console: Add a __send_control_msg() that
 can send messages without a valid port

We will introduce control messages that operate on the device as a whole
rather than just ports. Make send_control_msg() a wrapper around
__send_control_msg() which does not need a valid port.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index e53c52b904f..8c24b86aadc 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -374,22 +374,22 @@ out:
 	return ret;
 }
 
-static ssize_t send_control_msg(struct port *port, unsigned int event,
-				unsigned int value)
+static ssize_t __send_control_msg(struct ports_device *portdev, u32 port_id,
+				  unsigned int event, unsigned int value)
 {
 	struct scatterlist sg[1];
 	struct virtio_console_control cpkt;
 	struct virtqueue *vq;
 	unsigned int len;
 
-	if (!use_multiport(port->portdev))
+	if (!use_multiport(portdev))
 		return 0;
 
-	cpkt.id = port->id;
+	cpkt.id = port_id;
 	cpkt.event = event;
 	cpkt.value = value;
 
-	vq = port->portdev->c_ovq;
+	vq = portdev->c_ovq;
 
 	sg_init_one(sg, &cpkt, sizeof(cpkt));
 	if (virtqueue_add_buf(vq, sg, 1, 0, &cpkt) >= 0) {
@@ -400,6 +400,12 @@ static ssize_t send_control_msg(struct port *port, unsigned int event,
 	return 0;
 }
 
+static ssize_t send_control_msg(struct port *port, unsigned int event,
+				unsigned int value)
+{
+	return __send_control_msg(port->portdev, port->id, event, value);
+}
+
 static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count)
 {
 	struct scatterlist sg[1];

From eaeff9608a8cf43a676b6f4b6235ea9d76192230 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:47 -0600
Subject: [PATCH 2162/3638] virtio: console: Let host know of port or device
 add failures

The host may want to know and let management apps notify of port or
device add failures. Send a control message saying the device or port is
not ready in this case.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c  | 5 +++++
 include/linux/virtio_console.h | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 8c24b86aadc..f63bf77a482 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1210,6 +1210,8 @@ free_cdev:
 free_port:
 	kfree(port);
 fail:
+	/* The host might want to notify management sw about port add failure */
+	send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 0);
 	return err;
 }
 
@@ -1488,6 +1490,9 @@ free_chrdev:
 free:
 	kfree(portdev);
 fail:
+	/* The host might want to notify mgmt sw about device add failure */
+	__send_control_msg(portdev, VIRTIO_CONSOLE_BAD_ID,
+			   VIRTIO_CONSOLE_DEVICE_READY, 0);
 	return err;
 }
 
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index ae4f039515b..015736113c2 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -14,6 +14,8 @@
 #define VIRTIO_CONSOLE_F_SIZE	0	/* Does host provide console size? */
 #define VIRTIO_CONSOLE_F_MULTIPORT 1	/* Does host provide multiple ports? */
 
+#define VIRTIO_CONSOLE_BAD_ID		(~(u32)0)
+
 struct virtio_console_config {
 	/* colums of the screens */
 	__u16 cols;
@@ -42,6 +44,7 @@ struct virtio_console_control {
 #define VIRTIO_CONSOLE_PORT_OPEN	3
 #define VIRTIO_CONSOLE_PORT_NAME	4
 #define VIRTIO_CONSOLE_PORT_REMOVE	5
+#define VIRTIO_CONSOLE_DEVICE_READY	6
 
 #ifdef __KERNEL__
 int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));

From 6dc69f970231387d8fe646a831920da26408b5f5 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:47 -0600
Subject: [PATCH 2163/3638] virtio: console: Return -EPIPE to hvc_console if we
 lost the connection

hvc_console handles -EPIPE properly when the connection to the host is
lost.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index f63bf77a482..11a9573f901 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -653,7 +653,7 @@ static int put_chars(u32 vtermno, const char *buf, int count)
 
 	port = find_port_by_vtermno(vtermno);
 	if (!port)
-		return 0;
+		return -EPIPE;
 
 	return send_buf(port, (void *)buf, count);
 }
@@ -669,9 +669,13 @@ static int get_chars(u32 vtermno, char *buf, int count)
 {
 	struct port *port;
 
+	/* If we've not set up the port yet, we have no input to give. */
+	if (unlikely(early_put_chars))
+		return 0;
+
 	port = find_port_by_vtermno(vtermno);
 	if (!port)
-		return 0;
+		return -EPIPE;
 
 	/* If we don't have an input queue yet, we can't get input. */
 	BUG_ON(!port->in_vq);

From 69eb9a9f69572c0ebe08a0a46f56bdfdcdaa19a0 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:47 -0600
Subject: [PATCH 2164/3638] virtio: console: Don't call hvc_remove() on
 unplugging console ports

hvc_remove() has some bug which freezes other active hvc ports when one
port is removed.

So disable calling of hvc_remove() which deregisters a port with the
hvc_console.

If the hvc_console code calls into our get_chars() routine as a result
of a poll operation, we will return -EPIPE and the hvc_console code will
then do the necessary cleanup.

This call will be restored when the bug in hvc_remove() is found and
fixed.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 11a9573f901..9a698707e14 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -869,7 +869,18 @@ static int remove_port(struct port *port)
 		spin_lock_irq(&pdrvdata_lock);
 		list_del(&port->cons.list);
 		spin_unlock_irq(&pdrvdata_lock);
+#if 0
+		/*
+		 * hvc_remove() not called as removing one hvc port
+		 * results in other hvc ports getting frozen.
+		 *
+		 * Once this is resolved in hvc, this functionality
+		 * will be enabled.  Till that is done, the -EPIPE
+		 * return from get_chars() above will help
+		 * hvc_console.c to clean up on ports we remove here.
+		 */
 		hvc_remove(port->cons.hvc);
+#endif
 	}
 	if (port->guest_connected)
 		send_control_msg(port, VIRTIO_CONSOLE_PORT_OPEN, 0);

From 99f905f88a5b8478755605e08ed4bce40034cc6c Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:48 -0600
Subject: [PATCH 2165/3638] virtio: console: Remove config work handler

We're going to switch to using control messages for port hot-plug and
initial port discovery. Remove the config work handler which handled
port hot-plug so far.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 64 +----------------------------------
 1 file changed, 1 insertion(+), 63 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 9a698707e14..e1f92a0c5c5 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -110,7 +110,6 @@ struct ports_device {
 	 * notification
 	 */
 	struct work_struct control_work;
-	struct work_struct config_work;
 
 	struct list_head ports;
 
@@ -1084,10 +1083,7 @@ static void config_intr(struct virtio_device *vdev)
 	struct ports_device *portdev;
 
 	portdev = vdev->priv;
-	if (use_multiport(portdev)) {
-		/* Handle port hot-add */
-		schedule_work(&portdev->config_work);
-	}
+
 	/*
 	 * We'll use this way of resizing only for legacy support.
 	 * For newer userspace (VIRTIO_CONSOLE_F_MULTPORT+), use
@@ -1230,62 +1226,6 @@ fail:
 	return err;
 }
 
-/*
- * The workhandler for config-space updates.
- *
- * This is called when ports are hot-added.
- */
-static void config_work_handler(struct work_struct *work)
-{
-	struct virtio_console_config virtconconf;
-	struct ports_device *portdev;
-	struct virtio_device *vdev;
-	int err;
-
-	portdev = container_of(work, struct ports_device, config_work);
-
-	vdev = portdev->vdev;
-	vdev->config->get(vdev,
-			  offsetof(struct virtio_console_config, nr_ports),
-			  &virtconconf.nr_ports,
-			  sizeof(virtconconf.nr_ports));
-
-	if (portdev->config.nr_ports == virtconconf.nr_ports) {
-		/*
-		 * Port 0 got hot-added.  Since we already did all the
-		 * other initialisation for it, just tell the Host
-		 * that the port is ready if we find the port.  In
-		 * case the port was hot-removed earlier, we call
-		 * add_port to add the port.
-		 */
-		struct port *port;
-
-		port = find_port_by_id(portdev, 0);
-		if (!port)
-			add_port(portdev, 0);
-		else
-			send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 1);
-		return;
-	}
-	if (virtconconf.nr_ports > portdev->config.max_nr_ports) {
-		dev_warn(&vdev->dev,
-			 "More ports specified (%u) than allowed (%u)",
-			 portdev->config.nr_ports + 1,
-			 portdev->config.max_nr_ports);
-		return;
-	}
-	if (virtconconf.nr_ports < portdev->config.nr_ports)
-		return;
-
-	/* Hot-add ports */
-	while (virtconconf.nr_ports - portdev->config.nr_ports) {
-		err = add_port(portdev, portdev->config.nr_ports);
-		if (err)
-			break;
-		portdev->config.nr_ports++;
-	}
-}
-
 static int init_vqs(struct ports_device *portdev)
 {
 	vq_callback_t **io_callbacks;
@@ -1478,7 +1418,6 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
 
 		spin_lock_init(&portdev->cvq_lock);
 		INIT_WORK(&portdev->control_work, &control_work_handler);
-		INIT_WORK(&portdev->config_work, &config_work_handler);
 
 		nr_added_bufs = fill_queue(portdev->c_ivq, &portdev->cvq_lock);
 		if (!nr_added_bufs) {
@@ -1521,7 +1460,6 @@ static void virtcons_remove(struct virtio_device *vdev)
 	portdev = vdev->priv;
 
 	cancel_work_sync(&portdev->control_work);
-	cancel_work_sync(&portdev->config_work);
 
 	list_for_each_entry_safe(port, port2, &portdev->ports, list)
 		remove_port(port);

From c446f8fcc9fba3369bffb894b31756cf7a09f783 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:48 -0600
Subject: [PATCH 2166/3638] virtio: console: Move code around for future
 patches

We're going to use add_port() from handle_control_message() in the next
patch.

Move the add_port() and fill_queue(), which depends on it, above
handle_control_message() to avoid forward declarations.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 266 +++++++++++++++++-----------------
 1 file changed, 133 insertions(+), 133 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index e1f92a0c5c5..237eee26fbc 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -855,6 +855,139 @@ static const struct file_operations port_debugfs_ops = {
 	.read  = debugfs_read,
 };
 
+static unsigned int fill_queue(struct virtqueue *vq, spinlock_t *lock)
+{
+	struct port_buffer *buf;
+	unsigned int nr_added_bufs;
+	int ret;
+
+	nr_added_bufs = 0;
+	do {
+		buf = alloc_buf(PAGE_SIZE);
+		if (!buf)
+			break;
+
+		spin_lock_irq(lock);
+		ret = add_inbuf(vq, buf);
+		if (ret < 0) {
+			spin_unlock_irq(lock);
+			free_buf(buf);
+			break;
+		}
+		nr_added_bufs++;
+		spin_unlock_irq(lock);
+	} while (ret > 0);
+
+	return nr_added_bufs;
+}
+
+static int add_port(struct ports_device *portdev, u32 id)
+{
+	char debugfs_name[16];
+	struct port *port;
+	struct port_buffer *buf;
+	dev_t devt;
+	unsigned int nr_added_bufs;
+	int err;
+
+	port = kmalloc(sizeof(*port), GFP_KERNEL);
+	if (!port) {
+		err = -ENOMEM;
+		goto fail;
+	}
+
+	port->portdev = portdev;
+	port->id = id;
+
+	port->name = NULL;
+	port->inbuf = NULL;
+	port->cons.hvc = NULL;
+
+	port->host_connected = port->guest_connected = false;
+
+	port->in_vq = portdev->in_vqs[port->id];
+	port->out_vq = portdev->out_vqs[port->id];
+
+	cdev_init(&port->cdev, &port_fops);
+
+	devt = MKDEV(portdev->chr_major, id);
+	err = cdev_add(&port->cdev, devt, 1);
+	if (err < 0) {
+		dev_err(&port->portdev->vdev->dev,
+			"Error %d adding cdev for port %u\n", err, id);
+		goto free_port;
+	}
+	port->dev = device_create(pdrvdata.class, &port->portdev->vdev->dev,
+				  devt, port, "vport%up%u",
+				  port->portdev->drv_index, id);
+	if (IS_ERR(port->dev)) {
+		err = PTR_ERR(port->dev);
+		dev_err(&port->portdev->vdev->dev,
+			"Error %d creating device for port %u\n",
+			err, id);
+		goto free_cdev;
+	}
+
+	spin_lock_init(&port->inbuf_lock);
+	init_waitqueue_head(&port->waitqueue);
+
+	/* Fill the in_vq with buffers so the host can send us data. */
+	nr_added_bufs = fill_queue(port->in_vq, &port->inbuf_lock);
+	if (!nr_added_bufs) {
+		dev_err(port->dev, "Error allocating inbufs\n");
+		err = -ENOMEM;
+		goto free_device;
+	}
+
+	/*
+	 * If we're not using multiport support, this has to be a console port
+	 */
+	if (!use_multiport(port->portdev)) {
+		err = init_port_console(port);
+		if (err)
+			goto free_inbufs;
+	}
+
+	spin_lock_irq(&portdev->ports_lock);
+	list_add_tail(&port->list, &port->portdev->ports);
+	spin_unlock_irq(&portdev->ports_lock);
+
+	/*
+	 * Tell the Host we're set so that it can send us various
+	 * configuration parameters for this port (eg, port name,
+	 * caching, whether this is a console port, etc.)
+	 */
+	send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 1);
+
+	if (pdrvdata.debugfs_dir) {
+		/*
+		 * Finally, create the debugfs file that we can use to
+		 * inspect a port's state at any time
+		 */
+		sprintf(debugfs_name, "vport%up%u",
+			port->portdev->drv_index, id);
+		port->debugfs_file = debugfs_create_file(debugfs_name, 0444,
+							 pdrvdata.debugfs_dir,
+							 port,
+							 &port_debugfs_ops);
+	}
+	return 0;
+
+free_inbufs:
+	while ((buf = virtqueue_detach_unused_buf(port->in_vq)))
+		free_buf(buf);
+free_device:
+	device_destroy(pdrvdata.class, port->dev->devt);
+free_cdev:
+	cdev_del(&port->cdev);
+free_port:
+	kfree(port);
+fail:
+	/* The host might want to notify management sw about port add failure */
+	send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 0);
+	return err;
+}
+
 /* Remove all port-specific data. */
 static int remove_port(struct port *port)
 {
@@ -1093,139 +1226,6 @@ static void config_intr(struct virtio_device *vdev)
 	resize_console(find_port_by_id(portdev, 0));
 }
 
-static unsigned int fill_queue(struct virtqueue *vq, spinlock_t *lock)
-{
-	struct port_buffer *buf;
-	unsigned int nr_added_bufs;
-	int ret;
-
-	nr_added_bufs = 0;
-	do {
-		buf = alloc_buf(PAGE_SIZE);
-		if (!buf)
-			break;
-
-		spin_lock_irq(lock);
-		ret = add_inbuf(vq, buf);
-		if (ret < 0) {
-			spin_unlock_irq(lock);
-			free_buf(buf);
-			break;
-		}
-		nr_added_bufs++;
-		spin_unlock_irq(lock);
-	} while (ret > 0);
-
-	return nr_added_bufs;
-}
-
-static int add_port(struct ports_device *portdev, u32 id)
-{
-	char debugfs_name[16];
-	struct port *port;
-	struct port_buffer *buf;
-	dev_t devt;
-	unsigned int nr_added_bufs;
-	int err;
-
-	port = kmalloc(sizeof(*port), GFP_KERNEL);
-	if (!port) {
-		err = -ENOMEM;
-		goto fail;
-	}
-
-	port->portdev = portdev;
-	port->id = id;
-
-	port->name = NULL;
-	port->inbuf = NULL;
-	port->cons.hvc = NULL;
-
-	port->host_connected = port->guest_connected = false;
-
-	port->in_vq = portdev->in_vqs[port->id];
-	port->out_vq = portdev->out_vqs[port->id];
-
-	cdev_init(&port->cdev, &port_fops);
-
-	devt = MKDEV(portdev->chr_major, id);
-	err = cdev_add(&port->cdev, devt, 1);
-	if (err < 0) {
-		dev_err(&port->portdev->vdev->dev,
-			"Error %d adding cdev for port %u\n", err, id);
-		goto free_port;
-	}
-	port->dev = device_create(pdrvdata.class, &port->portdev->vdev->dev,
-				  devt, port, "vport%up%u",
-				  port->portdev->drv_index, id);
-	if (IS_ERR(port->dev)) {
-		err = PTR_ERR(port->dev);
-		dev_err(&port->portdev->vdev->dev,
-			"Error %d creating device for port %u\n",
-			err, id);
-		goto free_cdev;
-	}
-
-	spin_lock_init(&port->inbuf_lock);
-	init_waitqueue_head(&port->waitqueue);
-
-	/* Fill the in_vq with buffers so the host can send us data. */
-	nr_added_bufs = fill_queue(port->in_vq, &port->inbuf_lock);
-	if (!nr_added_bufs) {
-		dev_err(port->dev, "Error allocating inbufs\n");
-		err = -ENOMEM;
-		goto free_device;
-	}
-
-	/*
-	 * If we're not using multiport support, this has to be a console port
-	 */
-	if (!use_multiport(port->portdev)) {
-		err = init_port_console(port);
-		if (err)
-			goto free_inbufs;
-	}
-
-	spin_lock_irq(&portdev->ports_lock);
-	list_add_tail(&port->list, &port->portdev->ports);
-	spin_unlock_irq(&portdev->ports_lock);
-
-	/*
-	 * Tell the Host we're set so that it can send us various
-	 * configuration parameters for this port (eg, port name,
-	 * caching, whether this is a console port, etc.)
-	 */
-	send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 1);
-
-	if (pdrvdata.debugfs_dir) {
-		/*
-		 * Finally, create the debugfs file that we can use to
-		 * inspect a port's state at any time
-		 */
-		sprintf(debugfs_name, "vport%up%u",
-			port->portdev->drv_index, id);
-		port->debugfs_file = debugfs_create_file(debugfs_name, 0444,
-							 pdrvdata.debugfs_dir,
-							 port,
-							 &port_debugfs_ops);
-	}
-	return 0;
-
-free_inbufs:
-	while ((buf = virtqueue_detach_unused_buf(port->in_vq)))
-		free_buf(buf);
-free_device:
-	device_destroy(pdrvdata.class, port->dev->devt);
-free_cdev:
-	cdev_del(&port->cdev);
-free_port:
-	kfree(port);
-fail:
-	/* The host might want to notify management sw about port add failure */
-	send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 0);
-	return err;
-}
-
 static int init_vqs(struct ports_device *portdev)
 {
 	vq_callback_t **io_callbacks;

From f909f850d666e3dbac1ee7c9d5d83416bd02f84e Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:48 -0600
Subject: [PATCH 2167/3638] virtio: console: Use a control message to add ports

Instead of the host and guest independently enumerating ports, switch to
a control message to add ports where the host supplies the port number
so there's no ambiguity or a possibility of a race between the host and
the guest port numbers.

We now no longer need the 'nr_ports' config value. Since no kernel has
been released with the MULTIPORT changes yet, we have a chance to fiddle
with the config space without adding compatibility features.

This is beneficial for management software, which would now be able to
instantiate ports at known locations and avoid problems that arise with
implicit numbering in the host and the guest. This removes the 'guessing
game' part of it, and management software can now actually indicate
which id to spawn a particular port on.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c  | 77 +++++++++++++++-------------------
 include/linux/virtio_console.h | 17 ++++----
 2 files changed, 41 insertions(+), 53 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 237eee26fbc..7671914be17 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1048,7 +1048,7 @@ static void handle_control_message(struct ports_device *portdev,
 	cpkt = (struct virtio_console_control *)(buf->buf + buf->offset);
 
 	port = find_port_by_id(portdev, cpkt->id);
-	if (!port) {
+	if (!port && cpkt->event != VIRTIO_CONSOLE_PORT_ADD) {
 		/* No valid header at start of buffer.  Drop it. */
 		dev_dbg(&portdev->vdev->dev,
 			"Invalid index %u in control packet\n", cpkt->id);
@@ -1056,6 +1056,30 @@ static void handle_control_message(struct ports_device *portdev,
 	}
 
 	switch (cpkt->event) {
+	case VIRTIO_CONSOLE_PORT_ADD:
+		if (port) {
+			/*
+			 * This can happen for port 0: we have to
+			 * create a console port during probe() as was
+			 * the behaviour before the MULTIPORT feature.
+			 * On a newer host, when the host tells us
+			 * that a port 0 is available, we should just
+			 * say we have the port all set up.
+			 */
+			send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 1);
+			break;
+		}
+		if (cpkt->id >= portdev->config.max_nr_ports) {
+			dev_warn(&portdev->vdev->dev,
+				"Request for adding port with out-of-bound id %u, max. supported id: %u\n",
+				cpkt->id, portdev->config.max_nr_ports - 1);
+			break;
+		}
+		add_port(portdev, cpkt->id);
+		break;
+	case VIRTIO_CONSOLE_PORT_REMOVE:
+		remove_port(port);
+		break;
 	case VIRTIO_CONSOLE_CONSOLE_PORT:
 		if (!cpkt->value)
 			break;
@@ -1114,32 +1138,6 @@ static void handle_control_message(struct ports_device *portdev,
 			kobject_uevent(&port->dev->kobj, KOBJ_CHANGE);
 		}
 		break;
-	case VIRTIO_CONSOLE_PORT_REMOVE:
-		/*
-		 * Hot unplug the port.  We don't decrement nr_ports
-		 * since we don't want to deal with extra complexities
-		 * of using the lowest-available port id: We can just
-		 * pick up the nr_ports number as the id and not have
-		 * userspace send it to us.  This helps us in two
-		 * ways:
-		 *
-		 * - We don't need to have a 'port_id' field in the
-		 *   config space when a port is hot-added.  This is a
-		 *   good thing as we might queue up multiple hotplug
-		 *   requests issued in our workqueue.
-		 *
-		 * - Another way to deal with this would have been to
-		 *   use a bitmap of the active ports and select the
-		 *   lowest non-active port from that map.  That
-		 *   bloats the already tight config space and we
-		 *   would end up artificially limiting the
-		 *   max. number of ports to sizeof(bitmap).  Right
-		 *   now we can support 2^32 ports (as the port id is
-		 *   stored in a u32 type).
-		 *
-		 */
-		remove_port(port);
-		break;
 	}
 }
 
@@ -1347,7 +1345,6 @@ static const struct file_operations portdev_fops = {
 static int __devinit virtcons_probe(struct virtio_device *vdev)
 {
 	struct ports_device *portdev;
-	u32 i;
 	int err;
 	bool multiport;
 
@@ -1376,29 +1373,15 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
 	}
 
 	multiport = false;
-	portdev->config.nr_ports = 1;
 	portdev->config.max_nr_ports = 1;
 	if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_MULTIPORT)) {
 		multiport = true;
 		vdev->features[0] |= 1 << VIRTIO_CONSOLE_F_MULTIPORT;
 
-		vdev->config->get(vdev, offsetof(struct virtio_console_config,
-						 nr_ports),
-				  &portdev->config.nr_ports,
-				  sizeof(portdev->config.nr_ports));
 		vdev->config->get(vdev, offsetof(struct virtio_console_config,
 						 max_nr_ports),
 				  &portdev->config.max_nr_ports,
 				  sizeof(portdev->config.max_nr_ports));
-		if (portdev->config.nr_ports > portdev->config.max_nr_ports) {
-			dev_warn(&vdev->dev,
-				 "More ports (%u) specified than allowed (%u). Will init %u ports.",
-				 portdev->config.nr_ports,
-				 portdev->config.max_nr_ports,
-				 portdev->config.max_nr_ports);
-
-			portdev->config.nr_ports = portdev->config.max_nr_ports;
-		}
 	}
 
 	/* Let the Host know we support multiple ports.*/
@@ -1428,11 +1411,17 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
 		}
 	}
 
-	for (i = 0; i < portdev->config.nr_ports; i++)
-		add_port(portdev, i);
+	/*
+	 * For backward compatibility: if we're running on an older
+	 * host, we always want to create a console port.
+	 */
+	add_port(portdev, 0);
 
 	/* Start using the new console output. */
 	early_put_chars = NULL;
+
+	__send_control_msg(portdev, VIRTIO_CONSOLE_BAD_ID,
+			   VIRTIO_CONSOLE_DEVICE_READY, 1);
 	return 0;
 
 free_vqs:
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index 015736113c2..a85064db8f9 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -23,8 +23,6 @@ struct virtio_console_config {
 	__u16 rows;
 	/* max. number of ports this device can hold */
 	__u32 max_nr_ports;
-	/* number of ports added so far */
-	__u32 nr_ports;
 } __attribute__((packed));
 
 /*
@@ -38,13 +36,14 @@ struct virtio_console_control {
 };
 
 /* Some events for control messages */
-#define VIRTIO_CONSOLE_PORT_READY	0
-#define VIRTIO_CONSOLE_CONSOLE_PORT	1
-#define VIRTIO_CONSOLE_RESIZE		2
-#define VIRTIO_CONSOLE_PORT_OPEN	3
-#define VIRTIO_CONSOLE_PORT_NAME	4
-#define VIRTIO_CONSOLE_PORT_REMOVE	5
-#define VIRTIO_CONSOLE_DEVICE_READY	6
+#define VIRTIO_CONSOLE_DEVICE_READY	0
+#define VIRTIO_CONSOLE_PORT_ADD		1
+#define VIRTIO_CONSOLE_PORT_REMOVE	2
+#define VIRTIO_CONSOLE_PORT_READY	3
+#define VIRTIO_CONSOLE_CONSOLE_PORT	4
+#define VIRTIO_CONSOLE_RESIZE		5
+#define VIRTIO_CONSOLE_PORT_OPEN	6
+#define VIRTIO_CONSOLE_PORT_NAME	7
 
 #ifdef __KERNEL__
 int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));

From 1d05160be743c506b1d6926e7c637496fa750cd3 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:49 -0600
Subject: [PATCH 2168/3638] virtio: console: Don't always create a port 0 if
 using multiport

If we're using multiport, there's no point in always creating a console
port. Create the console port only if the host doesn't support
multiport.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 32 +++++++++++++++-----------------
 1 file changed, 15 insertions(+), 17 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 7671914be17..6207e372992 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -784,6 +784,13 @@ int init_port_console(struct port *port)
 	spin_unlock_irq(&pdrvdata_lock);
 	port->guest_connected = true;
 
+	/*
+	 * Start using the new console output if this is the first
+	 * console to come up.
+	 */
+	if (early_put_chars)
+		early_put_chars = NULL;
+
 	/* Notify host of port being opened */
 	send_control_msg(port, VIRTIO_CONSOLE_PORT_OPEN, 1);
 
@@ -1058,14 +1065,8 @@ static void handle_control_message(struct ports_device *portdev,
 	switch (cpkt->event) {
 	case VIRTIO_CONSOLE_PORT_ADD:
 		if (port) {
-			/*
-			 * This can happen for port 0: we have to
-			 * create a console port during probe() as was
-			 * the behaviour before the MULTIPORT feature.
-			 * On a newer host, when the host tells us
-			 * that a port 0 is available, we should just
-			 * say we have the port all set up.
-			 */
+			dev_dbg(&portdev->vdev->dev,
+				"Port %u already added\n", port->id);
 			send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 1);
 			break;
 		}
@@ -1409,17 +1410,14 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
 			err = -ENOMEM;
 			goto free_vqs;
 		}
+	} else {
+		/*
+		 * For backward compatibility: Create a console port
+		 * if we're running on older host.
+		 */
+		add_port(portdev, 0);
 	}
 
-	/*
-	 * For backward compatibility: if we're running on an older
-	 * host, we always want to create a console port.
-	 */
-	add_port(portdev, 0);
-
-	/* Start using the new console output. */
-	early_put_chars = NULL;
-
 	__send_control_msg(portdev, VIRTIO_CONSOLE_BAD_ID,
 			   VIRTIO_CONSOLE_DEVICE_READY, 1);
 	return 0;

From 60caacd3eeab68672961e88db01e26735527d521 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:49 -0600
Subject: [PATCH 2169/3638] virtio: console: Rename wait_is_over() to
 will_read_block()

We'll introduce a function that checks if write will block.  Have
function names that are similar for the two cases.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 6207e372992..a39bf191da0 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -479,9 +479,9 @@ static ssize_t fill_readbuf(struct port *port, char *out_buf, size_t out_count,
 }
 
 /* The condition that must be true for polling to end */
-static bool wait_is_over(struct port *port)
+static bool will_read_block(struct port *port)
 {
-	return port_has_data(port) || !port->host_connected;
+	return !port_has_data(port) && port->host_connected;
 }
 
 static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
@@ -504,7 +504,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
 			return -EAGAIN;
 
 		ret = wait_event_interruptible(port->waitqueue,
-					       wait_is_over(port));
+					       !will_read_block(port));
 		if (ret < 0)
 			return ret;
 	}

From cdfadfc1adb87fc7e8a631b1f299715feacbde90 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 19 May 2010 22:15:50 -0600
Subject: [PATCH 2170/3638] virtio: console: Add support for nonblocking
 write()s

If the host port is not open, a write() should either just return if the
file is opened in non-blocking mode, or block till the host port is
opened.

Also, don't spin till host consumes data for nonblocking ports. For
non-blocking ports, we can do away with the spinning and reclaim the
buffers consumed by the host on the next write call or on the condition
that'll make poll return.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 119 +++++++++++++++++++++++++++++++---
 1 file changed, 111 insertions(+), 8 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index a39bf191da0..4175a2ae972 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -159,6 +159,9 @@ struct port {
 	 */
 	spinlock_t inbuf_lock;
 
+	/* Protect the operations on the out_vq. */
+	spinlock_t outvq_lock;
+
 	/* The IO vqs for this port */
 	struct virtqueue *in_vq, *out_vq;
 
@@ -184,6 +187,8 @@ struct port {
 	/* The 'id' to identify the port with the Host */
 	u32 id;
 
+	bool outvq_full;
+
 	/* Is the host device open */
 	bool host_connected;
 
@@ -405,15 +410,33 @@ static ssize_t send_control_msg(struct port *port, unsigned int event,
 	return __send_control_msg(port->portdev, port->id, event, value);
 }
 
-static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count)
+/* Callers must take the port->outvq_lock */
+static void reclaim_consumed_buffers(struct port *port)
+{
+	void *buf;
+	unsigned int len;
+
+	while ((buf = virtqueue_get_buf(port->out_vq, &len))) {
+		kfree(buf);
+		port->outvq_full = false;
+	}
+}
+
+static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count,
+			bool nonblock)
 {
 	struct scatterlist sg[1];
 	struct virtqueue *out_vq;
 	ssize_t ret;
+	unsigned long flags;
 	unsigned int len;
 
 	out_vq = port->out_vq;
 
+	spin_lock_irqsave(&port->outvq_lock, flags);
+
+	reclaim_consumed_buffers(port);
+
 	sg_init_one(sg, in_buf, in_count);
 	ret = virtqueue_add_buf(out_vq, sg, 1, 0, in_buf);
 
@@ -422,14 +445,29 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count)
 
 	if (ret < 0) {
 		in_count = 0;
-		goto fail;
+		goto done;
 	}
 
-	/* Wait till the host acknowledges it pushed out the data we sent. */
+	if (ret == 0)
+		port->outvq_full = true;
+
+	if (nonblock)
+		goto done;
+
+	/*
+	 * Wait till the host acknowledges it pushed out the data we
+	 * sent.  This is done for ports in blocking mode or for data
+	 * from the hvc_console; the tty operations are performed with
+	 * spinlocks held so we can't sleep here.
+	 */
 	while (!virtqueue_get_buf(out_vq, &len))
 		cpu_relax();
-fail:
-	/* We're expected to return the amount of data we wrote */
+done:
+	spin_unlock_irqrestore(&port->outvq_lock, flags);
+	/*
+	 * We're expected to return the amount of data we wrote -- all
+	 * of it
+	 */
 	return in_count;
 }
 
@@ -484,6 +522,25 @@ static bool will_read_block(struct port *port)
 	return !port_has_data(port) && port->host_connected;
 }
 
+static bool will_write_block(struct port *port)
+{
+	bool ret;
+
+	if (!port->host_connected)
+		return true;
+
+	spin_lock_irq(&port->outvq_lock);
+	/*
+	 * Check if the Host has consumed any buffers since we last
+	 * sent data (this is only applicable for nonblocking ports).
+	 */
+	reclaim_consumed_buffers(port);
+	ret = port->outvq_full;
+	spin_unlock_irq(&port->outvq_lock);
+
+	return ret;
+}
+
 static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
 			      size_t count, loff_t *offp)
 {
@@ -530,9 +587,22 @@ static ssize_t port_fops_write(struct file *filp, const char __user *ubuf,
 	struct port *port;
 	char *buf;
 	ssize_t ret;
+	bool nonblock;
 
 	port = filp->private_data;
 
+	nonblock = filp->f_flags & O_NONBLOCK;
+
+	if (will_write_block(port)) {
+		if (nonblock)
+			return -EAGAIN;
+
+		ret = wait_event_interruptible(port->waitqueue,
+					       !will_write_block(port));
+		if (ret < 0)
+			return ret;
+	}
+
 	count = min((size_t)(32 * 1024), count);
 
 	buf = kmalloc(count, GFP_KERNEL);
@@ -545,9 +615,14 @@ static ssize_t port_fops_write(struct file *filp, const char __user *ubuf,
 		goto free_buf;
 	}
 
-	ret = send_buf(port, buf, count);
+	ret = send_buf(port, buf, count, nonblock);
+
+	if (nonblock && ret > 0)
+		goto out;
+
 free_buf:
 	kfree(buf);
+out:
 	return ret;
 }
 
@@ -562,7 +637,7 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
 	ret = 0;
 	if (port->inbuf)
 		ret |= POLLIN | POLLRDNORM;
-	if (port->host_connected)
+	if (!will_write_block(port))
 		ret |= POLLOUT;
 	if (!port->host_connected)
 		ret |= POLLHUP;
@@ -586,6 +661,10 @@ static int port_fops_release(struct inode *inode, struct file *filp)
 
 	spin_unlock_irq(&port->inbuf_lock);
 
+	spin_lock_irq(&port->outvq_lock);
+	reclaim_consumed_buffers(port);
+	spin_unlock_irq(&port->outvq_lock);
+
 	return 0;
 }
 
@@ -614,6 +693,15 @@ static int port_fops_open(struct inode *inode, struct file *filp)
 	port->guest_connected = true;
 	spin_unlock_irq(&port->inbuf_lock);
 
+	spin_lock_irq(&port->outvq_lock);
+	/*
+	 * There might be a chance that we missed reclaiming a few
+	 * buffers in the window of the port getting previously closed
+	 * and opening now.
+	 */
+	reclaim_consumed_buffers(port);
+	spin_unlock_irq(&port->outvq_lock);
+
 	/* Notify host of port being opened */
 	send_control_msg(filp->private_data, VIRTIO_CONSOLE_PORT_OPEN, 1);
 
@@ -654,7 +742,7 @@ static int put_chars(u32 vtermno, const char *buf, int count)
 	if (!port)
 		return -EPIPE;
 
-	return send_buf(port, (void *)buf, count);
+	return send_buf(port, (void *)buf, count, false);
 }
 
 /*
@@ -845,6 +933,8 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf,
 			       "guest_connected: %d\n", port->guest_connected);
 	out_offset += snprintf(buf + out_offset, out_count - out_offset,
 			       "host_connected: %d\n", port->host_connected);
+	out_offset += snprintf(buf + out_offset, out_count - out_offset,
+			       "outvq_full: %d\n", port->outvq_full);
 	out_offset += snprintf(buf + out_offset, out_count - out_offset,
 			       "is_console: %s\n",
 			       is_console_port(port) ? "yes" : "no");
@@ -912,6 +1002,8 @@ static int add_port(struct ports_device *portdev, u32 id)
 
 	port->host_connected = port->guest_connected = false;
 
+	port->outvq_full = false;
+
 	port->in_vq = portdev->in_vqs[port->id];
 	port->out_vq = portdev->out_vqs[port->id];
 
@@ -936,6 +1028,7 @@ static int add_port(struct ports_device *portdev, u32 id)
 	}
 
 	spin_lock_init(&port->inbuf_lock);
+	spin_lock_init(&port->outvq_lock);
 	init_waitqueue_head(&port->waitqueue);
 
 	/* Fill the in_vq with buffers so the host can send us data. */
@@ -1031,6 +1124,8 @@ static int remove_port(struct port *port)
 	/* Remove unused data this port might have received. */
 	discard_port_data(port);
 
+	reclaim_consumed_buffers(port);
+
 	/* Remove buffers we queued up for the Host to send us data in. */
 	while ((buf = virtqueue_detach_unused_buf(port->in_vq)))
 		free_buf(buf);
@@ -1102,6 +1197,14 @@ static void handle_control_message(struct ports_device *portdev,
 	case VIRTIO_CONSOLE_PORT_OPEN:
 		port->host_connected = cpkt->value;
 		wake_up_interruptible(&port->waitqueue);
+		/*
+		 * If the host port got closed and the host had any
+		 * unconsumed buffers, we'll be able to reclaim them
+		 * now.
+		 */
+		spin_lock_irq(&port->outvq_lock);
+		reclaim_consumed_buffers(port);
+		spin_unlock_irq(&port->outvq_lock);
 		break;
 	case VIRTIO_CONSOLE_PORT_NAME:
 		/*

From 4038f5b767a610c5a5d92d7047755c663ead1568 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Thu, 6 May 2010 02:05:07 +0530
Subject: [PATCH 2171/3638] virtio: console: Resize console port 0 on config
 intr only if multiport is off

When using multiport, we'll use control messages. Ensure we don't
accidentally update port 0 size on config interrupts.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
CC: Christian Borntraeger <borntraeger@de.ibm.com>
CC: linuxppc-dev@ozlabs.org
CC: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 4175a2ae972..1e3f4674da4 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1319,13 +1319,16 @@ static void config_intr(struct virtio_device *vdev)
 
 	portdev = vdev->priv;
 
-	/*
-	 * We'll use this way of resizing only for legacy support.
-	 * For newer userspace (VIRTIO_CONSOLE_F_MULTPORT+), use
-	 * control messages to indicate console size changes so that
-	 * it can be done per-port
-	 */
-	resize_console(find_port_by_id(portdev, 0));
+	if (!use_multiport(portdev)) {
+		/*
+		 * We'll use this way of resizing only for legacy
+		 * support.  For newer userspace
+		 * (VIRTIO_CONSOLE_F_MULTPORT+), use control messages
+		 * to indicate console size changes so that it can be
+		 * done per-port.
+		 */
+		resize_console(find_port_by_id(portdev, 0));
+	}
 }
 
 static int init_vqs(struct ports_device *portdev)

From 9778829cffd4d8d68c7e457645f958a82d4c4d8b Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Thu, 6 May 2010 02:05:08 +0530
Subject: [PATCH 2172/3638] virtio: console: Store each console's size in the
 console structure

With support for multiple consoles, just using one {rows,cols} pair in
the config space is not going to suffice.

Store each console's size as part of the console struct.

This changes the behaviour for one case when multiport is not enabled:
when notifier_add_vio() is called, the console size is taken from that
of the last config-space update instead of fetching it afresh from the
config space.

Also add a helper to update the size in the console struct as we'll need
to use the same code to update the size via control messages when
multiport support is enabled.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
CC: Christian Borntraeger <borntraeger@de.ibm.com>
CC: linuxppc-dev@ozlabs.org
CC: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 43 +++++++++++++++++++++++++----------
 1 file changed, 31 insertions(+), 12 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 1e3f4674da4..f1fe11a344e 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -78,6 +78,9 @@ struct console {
 	/* The hvc device associated with this console port */
 	struct hvc_struct *hvc;
 
+	/* The size of the console */
+	struct winsize ws;
+
 	/*
 	 * This number identifies the number that we used to register
 	 * with hvc in hvc_instantiate() and hvc_alloc(); this is the
@@ -773,22 +776,14 @@ static int get_chars(u32 vtermno, char *buf, int count)
 static void resize_console(struct port *port)
 {
 	struct virtio_device *vdev;
-	struct winsize ws;
 
 	/* The port could have been hot-unplugged */
-	if (!port)
+	if (!port || !is_console_port(port))
 		return;
 
 	vdev = port->portdev->vdev;
-	if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_SIZE)) {
-		vdev->config->get(vdev,
-				  offsetof(struct virtio_console_config, cols),
-				  &ws.ws_col, sizeof(u16));
-		vdev->config->get(vdev,
-				  offsetof(struct virtio_console_config, rows),
-				  &ws.ws_row, sizeof(u16));
-		hvc_resize(port->cons.hvc, ws);
-	}
+	if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_SIZE))
+		hvc_resize(port->cons.hvc, port->cons.ws);
 }
 
 /* We set the configuration at this point, since we now have a tty */
@@ -952,6 +947,15 @@ static const struct file_operations port_debugfs_ops = {
 	.read  = debugfs_read,
 };
 
+static void set_console_size(struct port *port, u16 rows, u16 cols)
+{
+	if (!port || !is_console_port(port))
+		return;
+
+	port->cons.ws.ws_row = rows;
+	port->cons.ws.ws_col = cols;
+}
+
 static unsigned int fill_queue(struct virtqueue *vq, spinlock_t *lock)
 {
 	struct port_buffer *buf;
@@ -1000,6 +1004,8 @@ static int add_port(struct ports_device *portdev, u32 id)
 	port->inbuf = NULL;
 	port->cons.hvc = NULL;
 
+	port->cons.ws.ws_row = port->cons.ws.ws_col = 0;
+
 	port->host_connected = port->guest_connected = false;
 
 	port->outvq_full = false;
@@ -1320,6 +1326,19 @@ static void config_intr(struct virtio_device *vdev)
 	portdev = vdev->priv;
 
 	if (!use_multiport(portdev)) {
+		struct port *port;
+		u16 rows, cols;
+
+		vdev->config->get(vdev,
+				  offsetof(struct virtio_console_config, cols),
+				  &cols, sizeof(u16));
+		vdev->config->get(vdev,
+				  offsetof(struct virtio_console_config, rows),
+				  &rows, sizeof(u16));
+
+		port = find_port_by_id(portdev, 0);
+		set_console_size(port, rows, cols);
+
 		/*
 		 * We'll use this way of resizing only for legacy
 		 * support.  For newer userspace
@@ -1327,7 +1346,7 @@ static void config_intr(struct virtio_device *vdev)
 		 * to indicate console size changes so that it can be
 		 * done per-port.
 		 */
-		resize_console(find_port_by_id(portdev, 0));
+		resize_console(port);
 	}
 }
 

From 8345adbf96fc1bde7d9846aadbe5af9b2ae90882 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Thu, 6 May 2010 02:05:09 +0530
Subject: [PATCH 2173/3638] virtio: console: Accept console size along with
 resize control message

The VIRTIO_CONSOLE_RESIZE control message sent to us by the host now
contains the new {rows, cols} values for the console. This ensures each
console port gets its own size, and we don't depend on the config-space
rows and cols values at all now.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
CC: Christian Borntraeger <borntraeger@de.ibm.com>
CC: linuxppc-dev@ozlabs.org
CC: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index f1fe11a344e..458d907e362 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1194,12 +1194,23 @@ static void handle_control_message(struct ports_device *portdev,
 		 * have to notify the host first.
 		 */
 		break;
-	case VIRTIO_CONSOLE_RESIZE:
+	case VIRTIO_CONSOLE_RESIZE: {
+		struct {
+			__u16 rows;
+			__u16 cols;
+		} size;
+
 		if (!is_console_port(port))
 			break;
+
+		memcpy(&size, buf->buf + buf->offset + sizeof(*cpkt),
+		       sizeof(size));
+		set_console_size(port, size.rows, size.cols);
+
 		port->cons.hvc->irq_requested = 1;
 		resize_console(port);
 		break;
+	}
 	case VIRTIO_CONSOLE_PORT_OPEN:
 		port->host_connected = cpkt->value;
 		wake_up_interruptible(&port->waitqueue);

From 0643e4c6e4fd67778fa886a89e6ec2320e0ff4d3 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 11:45:53 +0200
Subject: [PATCH 2174/3638] drivers/char: Eliminate use after free

In each case, the first argument to send_control_msg or __send_control_msg,
respectively, has either not been successfully allocated or has been freed
at the point of the call.  In the first case, the first argument, port, is
only used to access the portdev and id fields, in order to call
__send_control_msg.  Thus it seems possible instead to call
__send_control_msg directly.  In the second case, the call to
__send_control_msg is moved up to a place where it seems like the first
argument, portdev, has been initialized sufficiently to make the call to
__send_control_msg meaningful.

This has only been compile tested.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@free@
expression E;
position p;
@@
kfree@p(E)

@@
expression free.E, subE<=free.E, E1;
position free.p;
@@

  kfree@p(E)
  ...
(
  subE = E1
|
* E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/char/virtio_console.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 458d907e362..8c99bf1b5e9 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1090,7 +1090,7 @@ free_port:
 	kfree(port);
 fail:
 	/* The host might want to notify management sw about port add failure */
-	send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 0);
+	__send_control_msg(portdev, id, VIRTIO_CONSOLE_PORT_READY, 0);
 	return err;
 }
 
@@ -1559,6 +1559,9 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
 	return 0;
 
 free_vqs:
+	/* The host might want to notify mgmt sw about device add failure */
+	__send_control_msg(portdev, VIRTIO_CONSOLE_BAD_ID,
+			   VIRTIO_CONSOLE_DEVICE_READY, 0);
 	vdev->config->del_vqs(vdev);
 	kfree(portdev->in_vqs);
 	kfree(portdev->out_vqs);
@@ -1567,9 +1570,6 @@ free_chrdev:
 free:
 	kfree(portdev);
 fail:
-	/* The host might want to notify mgmt sw about device add failure */
-	__send_control_msg(portdev, VIRTIO_CONSOLE_BAD_ID,
-			   VIRTIO_CONSOLE_DEVICE_READY, 0);
 	return err;
 }
 

From fda168c24586ab8e01b0eb68028d78fe3e4fb71a Mon Sep 17 00:00:00 2001
From: Zhitong Wang <zhitong.wangzt@alibaba-inc.com>
Date: Tue, 23 Mar 2010 09:51:22 +1100
Subject: [PATCH 2175/3638] xfs: Fix integer overflow in
 fs/xfs/linux-2.6/xfs_ioctl*.c

The am_hreq.opcount field in the xfs_attrmulti_by_handle() interface
is not bounded correctly. The opcount is used to determine the size
of the buffer required. The size is bounded, but can overflow and so
the size checks may not be sufficient to catch invalid opcounts.
Fix it by catching opcount values that would cause overflows before
calculating the size.

Signed-off-by: Zhitong Wang <zhitong.wangzt@alibaba-inc.com>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/linux-2.6/xfs_ioctl.c   | 4 ++++
 fs/xfs/linux-2.6/xfs_ioctl32.c | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 7b26cc2fd28..699b60cbab9 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -527,6 +527,10 @@ xfs_attrmulti_by_handle(
 	if (copy_from_user(&am_hreq, arg, sizeof(xfs_fsop_attrmulti_handlereq_t)))
 		return -XFS_ERROR(EFAULT);
 
+	/* overflow check */
+	if (am_hreq.opcount >= INT_MAX / sizeof(xfs_attr_multiop_t))
+		return -E2BIG;
+
 	dentry = xfs_handlereq_to_dentry(parfilp, &am_hreq.hreq);
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index 593c05b4df8..9287135e9bf 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -420,6 +420,10 @@ xfs_compat_attrmulti_by_handle(
 			   sizeof(compat_xfs_fsop_attrmulti_handlereq_t)))
 		return -XFS_ERROR(EFAULT);
 
+	/* overflow check */
+	if (am_hreq.opcount >= INT_MAX / sizeof(compat_xfs_attr_multiop_t))
+		return -E2BIG;
+
 	dentry = xfs_compat_handlereq_to_dentry(parfilp, &am_hreq.hreq);
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);

From e2a07812e93d4a51b1b1a6f15145a1634948db47 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@medozas.de>
Date: Tue, 23 Mar 2010 09:52:55 +1100
Subject: [PATCH 2176/3638] xfs: add blockdev name to kthreads

This allows to see in `ps` and similar tools which kthreads are
allotted to which block device/filesystem, similar to what jbd2
does. As the process name is a fixed 16-char array, no extra
space is needed in tasks.

  PID TTY      STAT   TIME COMMAND
    2 ?        S      0:00 [kthreadd]
  197 ?        S      0:00  \_ [jbd2/sda2-8]
  198 ?        S      0:00  \_ [ext4-dio-unwrit]
  204 ?        S      0:00  \_ [flush-8:0]
 2647 ?        S      0:00  \_ [xfs_mru_cache]
 2648 ?        S      0:00  \_ [xfslogd/0]
 2649 ?        S      0:00  \_ [xfsdatad/0]
 2650 ?        S      0:00  \_ [xfsconvertd/0]
 2651 ?        S      0:00  \_ [xfsbufd/ram0]
 2652 ?        S      0:00  \_ [xfsaild/ram0]
 2653 ?        S      0:00  \_ [xfssyncd/ram0]

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/linux-2.6/xfs_buf.c   | 10 ++++++----
 fs/xfs/linux-2.6/xfs_buf.h   |  2 +-
 fs/xfs/linux-2.6/xfs_super.c |  9 +++++----
 fs/xfs/linux-2.6/xfs_sync.c  |  2 +-
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 44c2b0ef9a4..f7ecc44cbbd 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1614,7 +1614,8 @@ xfs_mapping_buftarg(
 
 STATIC int
 xfs_alloc_delwrite_queue(
-	xfs_buftarg_t		*btp)
+	xfs_buftarg_t		*btp,
+	const char		*fsname)
 {
 	int	error = 0;
 
@@ -1622,7 +1623,7 @@ xfs_alloc_delwrite_queue(
 	INIT_LIST_HEAD(&btp->bt_delwrite_queue);
 	spin_lock_init(&btp->bt_delwrite_lock);
 	btp->bt_flags = 0;
-	btp->bt_task = kthread_run(xfsbufd, btp, "xfsbufd");
+	btp->bt_task = kthread_run(xfsbufd, btp, "xfsbufd/%s", fsname);
 	if (IS_ERR(btp->bt_task)) {
 		error = PTR_ERR(btp->bt_task);
 		goto out_error;
@@ -1635,7 +1636,8 @@ out_error:
 xfs_buftarg_t *
 xfs_alloc_buftarg(
 	struct block_device	*bdev,
-	int			external)
+	int			external,
+	const char		*fsname)
 {
 	xfs_buftarg_t		*btp;
 
@@ -1647,7 +1649,7 @@ xfs_alloc_buftarg(
 		goto error;
 	if (xfs_mapping_buftarg(btp, bdev))
 		goto error;
-	if (xfs_alloc_delwrite_queue(btp))
+	if (xfs_alloc_delwrite_queue(btp, fsname))
 		goto error;
 	xfs_alloc_bufhash(btp, external);
 	return btp;
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 386e7361e50..5fbecefa5df 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -390,7 +390,7 @@ static inline void xfs_buf_relse(xfs_buf_t *bp)
 /*
  *	Handling of buftargs.
  */
-extern xfs_buftarg_t *xfs_alloc_buftarg(struct block_device *, int);
+extern xfs_buftarg_t *xfs_alloc_buftarg(struct block_device *, int, const char *);
 extern void xfs_free_buftarg(struct xfs_mount *, struct xfs_buftarg *);
 extern void xfs_wait_buftarg(xfs_buftarg_t *);
 extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int, unsigned int);
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 29f1edca76d..e8ad6dd2c10 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -789,18 +789,18 @@ xfs_open_devices(
 	 * Setup xfs_mount buffer target pointers
 	 */
 	error = ENOMEM;
-	mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0);
+	mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0, mp->m_fsname);
 	if (!mp->m_ddev_targp)
 		goto out_close_rtdev;
 
 	if (rtdev) {
-		mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1);
+		mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1, mp->m_fsname);
 		if (!mp->m_rtdev_targp)
 			goto out_free_ddev_targ;
 	}
 
 	if (logdev && logdev != ddev) {
-		mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1);
+		mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1, mp->m_fsname);
 		if (!mp->m_logdev_targp)
 			goto out_free_rtdev_targ;
 	} else {
@@ -902,7 +902,8 @@ xfsaild_start(
 	struct xfs_ail	*ailp)
 {
 	ailp->xa_target = 0;
-	ailp->xa_task = kthread_run(xfsaild, ailp, "xfsaild");
+	ailp->xa_task = kthread_run(xfsaild, ailp, "xfsaild/%s",
+				    ailp->xa_mount->m_fsname);
 	if (IS_ERR(ailp->xa_task))
 		return -PTR_ERR(ailp->xa_task);
 	return 0;
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index a427c638d90..a7ba355c21b 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -660,7 +660,7 @@ xfs_syncd_init(
 	mp->m_sync_work.w_syncer = xfs_sync_worker;
 	mp->m_sync_work.w_mount = mp;
 	mp->m_sync_work.w_completion = NULL;
-	mp->m_sync_task = kthread_run(xfssyncd, mp, "xfssyncd");
+	mp->m_sync_task = kthread_run(xfssyncd, mp, "xfssyncd/%s", mp->m_fsname);
 	if (IS_ERR(mp->m_sync_task))
 		return -PTR_ERR(mp->m_sync_task);
 	return 0;

From 43f5efc5b59db1b66e39fe9fdfc4ba6a27152afa Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 23 Mar 2010 10:10:00 +1100
Subject: [PATCH 2177/3638] xfs: factor log item initialisation

Each log item type does manual initialisation of the log item.
Delayed logging introduces new fields that need initialisation, so
factor all the open coded initialisation into a common function
first.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/quota/xfs_dquot_item.c | 12 ++++--------
 fs/xfs/xfs_buf_item.c         |  5 +----
 fs/xfs/xfs_extfree_item.c     | 10 ++--------
 fs/xfs/xfs_inode_item.c       | 12 ++----------
 fs/xfs/xfs_log.c              | 13 +++++++++++++
 fs/xfs/xfs_log.h              |  7 +++++++
 6 files changed, 29 insertions(+), 30 deletions(-)

diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c
index 4e4ee9a5719..639d96554a9 100644
--- a/fs/xfs/quota/xfs_dquot_item.c
+++ b/fs/xfs/quota/xfs_dquot_item.c
@@ -357,9 +357,8 @@ xfs_qm_dquot_logitem_init(
 	xfs_dq_logitem_t  *lp;
 	lp = &dqp->q_logitem;
 
-	lp->qli_item.li_type = XFS_LI_DQUOT;
-	lp->qli_item.li_ops = &xfs_dquot_item_ops;
-	lp->qli_item.li_mountp = dqp->q_mount;
+	xfs_log_item_init(dqp->q_mount, &lp->qli_item, XFS_LI_DQUOT,
+					&xfs_dquot_item_ops);
 	lp->qli_dquot = dqp;
 	lp->qli_format.qlf_type = XFS_LI_DQUOT;
 	lp->qli_format.qlf_id = be32_to_cpu(dqp->q_core.d_id);
@@ -586,11 +585,8 @@ xfs_qm_qoff_logitem_init(
 
 	qf = (xfs_qoff_logitem_t*) kmem_zalloc(sizeof(xfs_qoff_logitem_t), KM_SLEEP);
 
-	qf->qql_item.li_type = XFS_LI_QUOTAOFF;
-	if (start)
-		qf->qql_item.li_ops = &xfs_qm_qoffend_logitem_ops;
-	else
-		qf->qql_item.li_ops = &xfs_qm_qoff_logitem_ops;
+	xfs_log_item_init(mp, &qf->qql_item, XFS_LI_QUOTAOFF, start ?
+			&xfs_qm_qoffend_logitem_ops : &xfs_qm_qoff_logitem_ops);
 	qf->qql_item.li_mountp = mp;
 	qf->qql_format.qf_type = XFS_LI_QUOTAOFF;
 	qf->qql_format.qf_flags = flags;
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index f3c49e69eab..aace237b4f4 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -733,10 +733,7 @@ xfs_buf_item_init(
 
 	bip = (xfs_buf_log_item_t*)kmem_zone_zalloc(xfs_buf_item_zone,
 						    KM_SLEEP);
-	bip->bli_item.li_type = XFS_LI_BUF;
-	bip->bli_item.li_ops = &xfs_buf_item_ops;
-	bip->bli_item.li_mountp = mp;
-	bip->bli_item.li_ailp = mp->m_ail;
+	xfs_log_item_init(mp, &bip->bli_item, XFS_LI_BUF, &xfs_buf_item_ops);
 	bip->bli_buf = bp;
 	xfs_buf_hold(bp);
 	bip->bli_format.blf_type = XFS_LI_BUF;
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 6f35ed1b39b..e461e93b035 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -259,10 +259,7 @@ xfs_efi_init(xfs_mount_t	*mp,
 							     KM_SLEEP);
 	}
 
-	efip->efi_item.li_type = XFS_LI_EFI;
-	efip->efi_item.li_ops = &xfs_efi_item_ops;
-	efip->efi_item.li_mountp = mp;
-	efip->efi_item.li_ailp = mp->m_ail;
+	xfs_log_item_init(mp, &efip->efi_item, XFS_LI_EFI, &xfs_efi_item_ops);
 	efip->efi_format.efi_nextents = nextents;
 	efip->efi_format.efi_id = (__psint_t)(void*)efip;
 
@@ -554,10 +551,7 @@ xfs_efd_init(xfs_mount_t	*mp,
 							     KM_SLEEP);
 	}
 
-	efdp->efd_item.li_type = XFS_LI_EFD;
-	efdp->efd_item.li_ops = &xfs_efd_item_ops;
-	efdp->efd_item.li_mountp = mp;
-	efdp->efd_item.li_ailp = mp->m_ail;
+	xfs_log_item_init(mp, &efdp->efd_item, XFS_LI_EFD, &xfs_efd_item_ops);
 	efdp->efd_efip = efip;
 	efdp->efd_format.efd_nextents = nextents;
 	efdp->efd_format.efd_efi_id = efip->efi_format.efi_id;
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 7bfea854015..32e4188411c 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -865,17 +865,9 @@ xfs_inode_item_init(
 	ASSERT(ip->i_itemp == NULL);
 	iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP);
 
-	iip->ili_item.li_type = XFS_LI_INODE;
-	iip->ili_item.li_ops = &xfs_inode_item_ops;
-	iip->ili_item.li_mountp = mp;
-	iip->ili_item.li_ailp = mp->m_ail;
 	iip->ili_inode = ip;
-
-	/*
-	   We have zeroed memory. No need ...
-	   iip->ili_extents_buf = NULL;
-	 */
-
+	xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE,
+						&xfs_inode_item_ops);
 	iip->ili_format.ilf_type = XFS_LI_INODE;
 	iip->ili_format.ilf_ino = ip->i_ino;
 	iip->ili_format.ilf_blkno = ip->i_imap.im_blkno;
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 2be01913628..8556c59628b 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -648,6 +648,19 @@ xfs_log_unmount(xfs_mount_t *mp)
 	xlog_dealloc_log(mp->m_log);
 }
 
+void
+xfs_log_item_init(
+	struct xfs_mount	*mp,
+	struct xfs_log_item	*item,
+	int			type,
+	struct xfs_item_ops	*ops)
+{
+	item->li_mountp = mp;
+	item->li_ailp = mp->m_ail;
+	item->li_type = type;
+	item->li_ops = ops;
+}
+
 /*
  * Write region vectors to log.  The write happens using the space reservation
  * of the ticket (tic).  It is not a requirement that all writes for a given
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 97a24c7795a..f3a564d298d 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -126,6 +126,13 @@ typedef struct xfs_log_callback {
 struct xfs_mount;
 struct xlog_in_core;
 struct xlog_ticket;
+struct xfs_log_item;
+struct xfs_item_ops;
+
+void	xfs_log_item_init(struct xfs_mount	*mp,
+			struct xfs_log_item	*item,
+			int			type,
+			struct xfs_item_ops	*ops);
 
 xfs_lsn_t xfs_log_done(struct xfs_mount *mp,
 		       struct xlog_ticket *ticket,

From 4aaf15d1aa9673dd2cc45c48957c946cb4aa2694 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Mon, 8 Mar 2010 11:24:07 +1100
Subject: [PATCH 2178/3638] xfs: Add inode pin counts to traces

We don't record pin counts in inode events right now, and this makes
it difficult to track down problems related to pinning inodes. Add
the pin count to the inode trace class and add trace events for
pinning and unpinning inodes.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/linux-2.6/xfs_trace.h | 9 ++++++++-
 fs/xfs/xfs_inode.c           | 2 ++
 fs/xfs/xfs_inode_item.c      | 2 ++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
index fcaa62f0799..65371859c75 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/linux-2.6/xfs_trace.h
@@ -562,18 +562,21 @@ DECLARE_EVENT_CLASS(xfs_inode_class,
 		__field(dev_t, dev)
 		__field(xfs_ino_t, ino)
 		__field(int, count)
+		__field(int, pincount)
 		__field(unsigned long, caller_ip)
 	),
 	TP_fast_assign(
 		__entry->dev = VFS_I(ip)->i_sb->s_dev;
 		__entry->ino = ip->i_ino;
 		__entry->count = atomic_read(&VFS_I(ip)->i_count);
+		__entry->pincount = atomic_read(&ip->i_pincount);
 		__entry->caller_ip = caller_ip;
 	),
-	TP_printk("dev %d:%d ino 0x%llx count %d caller %pf",
+	TP_printk("dev %d:%d ino 0x%llx count %d pincount %d caller %pf",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
 		  __entry->count,
+		  __entry->pincount,
 		  (char *)__entry->caller_ip)
 )
 
@@ -583,6 +586,10 @@ DEFINE_EVENT(xfs_inode_class, name, \
 	TP_ARGS(ip, caller_ip))
 DEFINE_INODE_EVENT(xfs_ihold);
 DEFINE_INODE_EVENT(xfs_irele);
+DEFINE_INODE_EVENT(xfs_inode_pin);
+DEFINE_INODE_EVENT(xfs_inode_unpin);
+DEFINE_INODE_EVENT(xfs_inode_unpin_nowait);
+
 /* the old xfs_itrace_entry tracer - to be replaced by s.th. in the VFS */
 DEFINE_INODE_EVENT(xfs_inode);
 #define xfs_itrace_entry(ip)    \
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 0ffd5644704..8cd6e8d8fe9 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2449,6 +2449,8 @@ xfs_iunpin_nowait(
 {
 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
 
+	trace_xfs_inode_unpin_nowait(ip, _RET_IP_);
+
 	/* Give the log a push to start the unpinning I/O */
 	xfs_log_force_lsn(ip->i_mount, ip->i_itemp->ili_last_lsn, 0);
 
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 32e4188411c..03471757bc8 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -543,6 +543,7 @@ xfs_inode_item_pin(
 {
 	ASSERT(xfs_isilocked(iip->ili_inode, XFS_ILOCK_EXCL));
 
+	trace_xfs_inode_pin(iip->ili_inode, _RET_IP_);
 	atomic_inc(&iip->ili_inode->i_pincount);
 }
 
@@ -561,6 +562,7 @@ xfs_inode_item_unpin(
 {
 	struct xfs_inode	*ip = iip->ili_inode;
 
+	trace_xfs_inode_unpin(ip, _RET_IP_);
 	ASSERT(atomic_read(&ip->i_pincount) > 0);
 	if (atomic_dec_and_test(&ip->i_pincount))
 		wake_up(&ip->i_ipin_wait);

From 8e123850863366b738d6dfb9a84045018ff038fc Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Mon, 8 Mar 2010 11:26:03 +1100
Subject: [PATCH 2179/3638] xfs: remove stale parameter from ->iop_unpin method

The staleness of a object being unpinned can be directly derived
from the object itself - there is no need to extract it from the
object then pass it as a parameter into IOP_UNPIN().

This means we can kill the XFS_LID_BUF_STALE flag - it is set,
checked and cleared in the same places XFS_BLI_STALE flag in the
xfs_buf_log_item so it is now redundant and hence safe to remove.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/quota/xfs_dquot_item.c | 16 +++++------
 fs/xfs/xfs_buf_item.c         | 50 +++++++++++++++--------------------
 fs/xfs/xfs_extfree_item.c     |  8 +++---
 fs/xfs/xfs_inode_item.c       |  7 +++--
 fs/xfs/xfs_trans.c            |  2 +-
 fs/xfs/xfs_trans.h            |  5 ++--
 fs/xfs/xfs_trans_buf.c        |  3 +--
 7 files changed, 39 insertions(+), 52 deletions(-)

diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c
index 639d96554a9..165bbdf44be 100644
--- a/fs/xfs/quota/xfs_dquot_item.c
+++ b/fs/xfs/quota/xfs_dquot_item.c
@@ -107,8 +107,7 @@ xfs_qm_dquot_logitem_pin(
 /* ARGSUSED */
 STATIC void
 xfs_qm_dquot_logitem_unpin(
-	xfs_dq_logitem_t *logitem,
-	int		  stale)
+	xfs_dq_logitem_t *logitem)
 {
 	xfs_dquot_t *dqp = logitem->qli_dquot;
 
@@ -123,7 +122,7 @@ xfs_qm_dquot_logitem_unpin_remove(
 	xfs_dq_logitem_t *logitem,
 	xfs_trans_t	 *tp)
 {
-	xfs_qm_dquot_logitem_unpin(logitem, 0);
+	xfs_qm_dquot_logitem_unpin(logitem);
 }
 
 /*
@@ -329,8 +328,7 @@ static struct xfs_item_ops xfs_dquot_item_ops = {
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_qm_dquot_logitem_format,
 	.iop_pin	= (void(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_pin,
-	.iop_unpin	= (void(*)(xfs_log_item_t*, int))
-					xfs_qm_dquot_logitem_unpin,
+	.iop_unpin	= (void(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_unpin,
 	.iop_unpin_remove = (void(*)(xfs_log_item_t*, xfs_trans_t*))
 					xfs_qm_dquot_logitem_unpin_remove,
 	.iop_trylock	= (uint(*)(xfs_log_item_t*))
@@ -425,7 +423,7 @@ xfs_qm_qoff_logitem_pin(xfs_qoff_logitem_t *qf)
  */
 /*ARGSUSED*/
 STATIC void
-xfs_qm_qoff_logitem_unpin(xfs_qoff_logitem_t *qf, int stale)
+xfs_qm_qoff_logitem_unpin(xfs_qoff_logitem_t *qf)
 {
 	return;
 }
@@ -536,8 +534,7 @@ static struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_qm_qoff_logitem_format,
 	.iop_pin	= (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_pin,
-	.iop_unpin	= (void(*)(xfs_log_item_t* ,int))
-					xfs_qm_qoff_logitem_unpin,
+	.iop_unpin	= (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_unpin,
 	.iop_unpin_remove = (void(*)(xfs_log_item_t*,xfs_trans_t*))
 					xfs_qm_qoff_logitem_unpin_remove,
 	.iop_trylock	= (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_trylock,
@@ -558,8 +555,7 @@ static struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_qm_qoff_logitem_format,
 	.iop_pin	= (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_pin,
-	.iop_unpin	= (void(*)(xfs_log_item_t*, int))
-					xfs_qm_qoff_logitem_unpin,
+	.iop_unpin	= (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_unpin,
 	.iop_unpin_remove = (void(*)(xfs_log_item_t*,xfs_trans_t*))
 					xfs_qm_qoff_logitem_unpin_remove,
 	.iop_trylock	= (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_trylock,
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index aace237b4f4..240340a4727 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -372,12 +372,12 @@ xfs_buf_item_pin(
  */
 STATIC void
 xfs_buf_item_unpin(
-	xfs_buf_log_item_t	*bip,
-	int			stale)
+	xfs_buf_log_item_t	*bip)
 {
 	struct xfs_ail	*ailp;
 	xfs_buf_t	*bp;
 	int		freed;
+	int		stale = bip->bli_flags & XFS_BLI_STALE;
 
 	bp = bip->bli_buf;
 	ASSERT(bp != NULL);
@@ -428,40 +428,34 @@ xfs_buf_item_unpin_remove(
 	xfs_buf_log_item_t	*bip,
 	xfs_trans_t		*tp)
 {
-	xfs_buf_t		*bp;
-	xfs_log_item_desc_t	*lidp;
-	int			stale = 0;
-
-	bp = bip->bli_buf;
-	/*
-	 * will xfs_buf_item_unpin() call xfs_buf_item_relse()?
-	 */
+	/* will xfs_buf_item_unpin() call xfs_buf_item_relse()? */
 	if ((atomic_read(&bip->bli_refcount) == 1) &&
 	    (bip->bli_flags & XFS_BLI_STALE)) {
+		/*
+		 * yes -- We can safely do some work here and then call
+		 * buf_item_unpin to do the rest because we are
+		 * are holding the buffer locked so no one else will be
+		 * able to bump up the refcount. We have to remove the
+		 * log item from the transaction as we are about to release
+		 * our reference to the buffer. If we don't, the unlock that
+		 * occurs later in the xfs_trans_uncommit() will try to
+		 * reference the buffer which we no longer have a hold on.
+		 */
+		struct xfs_log_item_desc *lidp;
+
 		ASSERT(XFS_BUF_VALUSEMA(bip->bli_buf) <= 0);
 		trace_xfs_buf_item_unpin_stale(bip);
 
-		/*
-		 * yes -- clear the xaction descriptor in-use flag
-		 * and free the chunk if required.  We can safely
-		 * do some work here and then call buf_item_unpin
-		 * to do the rest because if the if is true, then
-		 * we are holding the buffer locked so no one else
-		 * will be able to bump up the refcount.
-		 */
-		lidp = xfs_trans_find_item(tp, (xfs_log_item_t *) bip);
-		stale = lidp->lid_flags & XFS_LID_BUF_STALE;
+		lidp = xfs_trans_find_item(tp, (xfs_log_item_t *)bip);
 		xfs_trans_free_item(tp, lidp);
+
 		/*
-		 * Since the transaction no longer refers to the buffer,
-		 * the buffer should no longer refer to the transaction.
+		 * Since the transaction no longer refers to the buffer, the
+		 * buffer should no longer refer to the transaction.
 		 */
-		XFS_BUF_SET_FSPRIVATE2(bp, NULL);
+		XFS_BUF_SET_FSPRIVATE2(bip->bli_buf, NULL);
 	}
-
-	xfs_buf_item_unpin(bip, stale);
-
-	return;
+	xfs_buf_item_unpin(bip);
 }
 
 /*
@@ -675,7 +669,7 @@ static struct xfs_item_ops xfs_buf_item_ops = {
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_buf_item_format,
 	.iop_pin	= (void(*)(xfs_log_item_t*))xfs_buf_item_pin,
-	.iop_unpin	= (void(*)(xfs_log_item_t*, int))xfs_buf_item_unpin,
+	.iop_unpin	= (void(*)(xfs_log_item_t*))xfs_buf_item_unpin,
 	.iop_unpin_remove = (void(*)(xfs_log_item_t*, xfs_trans_t *))
 					xfs_buf_item_unpin_remove,
 	.iop_trylock	= (uint(*)(xfs_log_item_t*))xfs_buf_item_trylock,
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index e461e93b035..409fe81585f 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -106,7 +106,7 @@ xfs_efi_item_pin(xfs_efi_log_item_t *efip)
  */
 /*ARGSUSED*/
 STATIC void
-xfs_efi_item_unpin(xfs_efi_log_item_t *efip, int stale)
+xfs_efi_item_unpin(xfs_efi_log_item_t *efip)
 {
 	struct xfs_ail		*ailp = efip->efi_item.li_ailp;
 
@@ -224,7 +224,7 @@ static struct xfs_item_ops xfs_efi_item_ops = {
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_efi_item_format,
 	.iop_pin	= (void(*)(xfs_log_item_t*))xfs_efi_item_pin,
-	.iop_unpin	= (void(*)(xfs_log_item_t*, int))xfs_efi_item_unpin,
+	.iop_unpin	= (void(*)(xfs_log_item_t*))xfs_efi_item_unpin,
 	.iop_unpin_remove = (void(*)(xfs_log_item_t*, xfs_trans_t *))
 					xfs_efi_item_unpin_remove,
 	.iop_trylock	= (uint(*)(xfs_log_item_t*))xfs_efi_item_trylock,
@@ -425,7 +425,7 @@ xfs_efd_item_pin(xfs_efd_log_item_t *efdp)
  */
 /*ARGSUSED*/
 STATIC void
-xfs_efd_item_unpin(xfs_efd_log_item_t *efdp, int stale)
+xfs_efd_item_unpin(xfs_efd_log_item_t *efdp)
 {
 	return;
 }
@@ -515,7 +515,7 @@ static struct xfs_item_ops xfs_efd_item_ops = {
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_efd_item_format,
 	.iop_pin	= (void(*)(xfs_log_item_t*))xfs_efd_item_pin,
-	.iop_unpin	= (void(*)(xfs_log_item_t*, int))xfs_efd_item_unpin,
+	.iop_unpin	= (void(*)(xfs_log_item_t*))xfs_efd_item_unpin,
 	.iop_unpin_remove = (void(*)(xfs_log_item_t*, xfs_trans_t*))
 					xfs_efd_item_unpin_remove,
 	.iop_trylock	= (uint(*)(xfs_log_item_t*))xfs_efd_item_trylock,
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 03471757bc8..cf8249a6000 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -557,8 +557,7 @@ xfs_inode_item_pin(
 /* ARGSUSED */
 STATIC void
 xfs_inode_item_unpin(
-	xfs_inode_log_item_t	*iip,
-	int			stale)
+	xfs_inode_log_item_t	*iip)
 {
 	struct xfs_inode	*ip = iip->ili_inode;
 
@@ -574,7 +573,7 @@ xfs_inode_item_unpin_remove(
 	xfs_inode_log_item_t	*iip,
 	xfs_trans_t		*tp)
 {
-	xfs_inode_item_unpin(iip, 0);
+	xfs_inode_item_unpin(iip);
 }
 
 /*
@@ -840,7 +839,7 @@ static struct xfs_item_ops xfs_inode_item_ops = {
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_inode_item_format,
 	.iop_pin	= (void(*)(xfs_log_item_t*))xfs_inode_item_pin,
-	.iop_unpin	= (void(*)(xfs_log_item_t*, int))xfs_inode_item_unpin,
+	.iop_unpin	= (void(*)(xfs_log_item_t*))xfs_inode_item_unpin,
 	.iop_unpin_remove = (void(*)(xfs_log_item_t*, xfs_trans_t*))
 					xfs_inode_item_unpin_remove,
 	.iop_trylock	= (uint(*)(xfs_log_item_t*))xfs_inode_item_trylock,
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index f73e358bae8..6962f2bd3da 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1451,6 +1451,6 @@ xfs_trans_chunk_committed(
 		 * flags, if anyone else stales the buffer we do not
 		 * want to pay any attention to it.
 		 */
-		IOP_UNPIN(lip, lidp->lid_flags & XFS_LID_BUF_STALE);
+		IOP_UNPIN(lip);
 	}
 }
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 79c8bab9dff..82574ef3658 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -159,7 +159,6 @@ typedef struct xfs_log_item_desc {
 
 #define XFS_LID_DIRTY		0x1
 #define XFS_LID_PINNED		0x2
-#define XFS_LID_BUF_STALE	0x8
 
 /*
  * This structure is used to maintain a chunk list of log_item_desc
@@ -833,7 +832,7 @@ typedef struct xfs_item_ops {
 	uint (*iop_size)(xfs_log_item_t *);
 	void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
 	void (*iop_pin)(xfs_log_item_t *);
-	void (*iop_unpin)(xfs_log_item_t *, int);
+	void (*iop_unpin)(xfs_log_item_t *);
 	void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *);
 	uint (*iop_trylock)(xfs_log_item_t *);
 	void (*iop_unlock)(xfs_log_item_t *);
@@ -846,7 +845,7 @@ typedef struct xfs_item_ops {
 #define IOP_SIZE(ip)		(*(ip)->li_ops->iop_size)(ip)
 #define IOP_FORMAT(ip,vp)	(*(ip)->li_ops->iop_format)(ip, vp)
 #define IOP_PIN(ip)		(*(ip)->li_ops->iop_pin)(ip)
-#define IOP_UNPIN(ip, flags)	(*(ip)->li_ops->iop_unpin)(ip, flags)
+#define IOP_UNPIN(ip)		(*(ip)->li_ops->iop_unpin)(ip)
 #define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
 #define IOP_TRYLOCK(ip)		(*(ip)->li_ops->iop_trylock)(ip)
 #define IOP_UNLOCK(ip)		(*(ip)->li_ops->iop_unlock)(ip)
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index fb586360d1c..4e1b6892c10 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -696,7 +696,6 @@ xfs_trans_log_buf(xfs_trans_t	*tp,
 
 	tp->t_flags |= XFS_TRANS_DIRTY;
 	lidp->lid_flags |= XFS_LID_DIRTY;
-	lidp->lid_flags &= ~XFS_LID_BUF_STALE;
 	bip->bli_flags |= XFS_BLI_LOGGED;
 	xfs_buf_item_log(bip, first, last);
 }
@@ -782,7 +781,7 @@ xfs_trans_binval(
 	bip->bli_format.blf_flags |= XFS_BLI_CANCEL;
 	memset((char *)(bip->bli_format.blf_data_map), 0,
 	      (bip->bli_format.blf_map_size * sizeof(uint)));
-	lidp->lid_flags |= XFS_LID_DIRTY|XFS_LID_BUF_STALE;
+	lidp->lid_flags |= XFS_LID_DIRTY;
 	tp->t_flags |= XFS_TRANS_DIRTY;
 }
 

From 713bf88bba55b8dd91a18e8a59b0f97bf9b0f5de Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Mon, 8 Mar 2010 11:26:23 +1100
Subject: [PATCH 2180/3638] xfs: fix reservation release commit flag in
 xfs_bmap_add_attrfork()

xfs_bmap_add_attrfork() passes XFS_TRANS_PERM_LOG_RES to xfs_trans_commit()
to indicate that the commit should release the permanent log reservation
as part of the commit. This is wrong - the correct flag is
XFS_TRANS_RELEASE_LOG_RES - and it is only by the chance that both these
flags have the value of 0x4 that the code is doing the right thing.

Fix it by changing to use the correct flag.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_bmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 5c11e4d1701..99587ded043 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -3829,7 +3829,7 @@ xfs_bmap_add_attrfork(
 	}
 	if ((error = xfs_bmap_finish(&tp, &flist, &committed)))
 		goto error2;
-	error = xfs_trans_commit(tp, XFS_TRANS_PERM_LOG_RES);
+	error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
 	ASSERT(ip->i_df.if_ext_max ==
 	       XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t));
 	return error;

From 0924378a689ccb05f6d60875742dc28f69bf0129 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Mon, 8 Mar 2010 11:28:28 +1100
Subject: [PATCH 2181/3638] xfs: split out iclog writing from
 xfs_trans_commit()

Split the the part of xfs_trans_commit() that deals with writing the
transaction into the iclog into a separate function. This isolates the
physical commit process from the logical commit operation and makes
it easier to insert different transaction commit paths without affecting
the existing algorithm adversely.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_trans.c | 391 +++++++++++++++++++++++----------------------
 1 file changed, 201 insertions(+), 190 deletions(-)

diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 6962f2bd3da..e07b3290b3b 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -47,8 +47,6 @@
 
 
 STATIC void	xfs_trans_apply_sb_deltas(xfs_trans_t *);
-STATIC uint	xfs_trans_count_vecs(xfs_trans_t *);
-STATIC void	xfs_trans_fill_vecs(xfs_trans_t *, xfs_log_iovec_t *);
 STATIC void	xfs_trans_uncommit(xfs_trans_t *, uint);
 STATIC void	xfs_trans_committed(xfs_trans_t *, int);
 STATIC void	xfs_trans_chunk_committed(xfs_log_item_chunk_t *, xfs_lsn_t, int);
@@ -764,94 +762,126 @@ xfs_trans_unreserve_and_mod_sb(
 	}
 }
 
+/*
+ * Total up the number of log iovecs needed to commit this
+ * transaction.  The transaction itself needs one for the
+ * transaction header.  Ask each dirty item in turn how many
+ * it needs to get the total.
+ */
+static uint
+xfs_trans_count_vecs(
+	xfs_trans_t	*tp)
+{
+	int			nvecs;
+	xfs_log_item_desc_t	*lidp;
+
+	nvecs = 1;
+	lidp = xfs_trans_first_item(tp);
+	ASSERT(lidp != NULL);
+
+	/* In the non-debug case we need to start bailing out if we
+	 * didn't find a log_item here, return zero and let trans_commit
+	 * deal with it.
+	 */
+	if (lidp == NULL)
+		return 0;
+
+	while (lidp != NULL) {
+		/*
+		 * Skip items which aren't dirty in this transaction.
+		 */
+		if (!(lidp->lid_flags & XFS_LID_DIRTY)) {
+			lidp = xfs_trans_next_item(tp, lidp);
+			continue;
+		}
+		lidp->lid_size = IOP_SIZE(lidp->lid_item);
+		nvecs += lidp->lid_size;
+		lidp = xfs_trans_next_item(tp, lidp);
+	}
+
+	return nvecs;
+}
 
 /*
- * xfs_trans_commit
+ * Fill in the vector with pointers to data to be logged
+ * by this transaction.  The transaction header takes
+ * the first vector, and then each dirty item takes the
+ * number of vectors it indicated it needed in xfs_trans_count_vecs().
  *
- * Commit the given transaction to the log a/synchronously.
- *
- * XFS disk error handling mechanism is not based on a typical
- * transaction abort mechanism. Logically after the filesystem
- * gets marked 'SHUTDOWN', we can't let any new transactions
- * be durable - ie. committed to disk - because some metadata might
- * be inconsistent. In such cases, this returns an error, and the
- * caller may assume that all locked objects joined to the transaction
- * have already been unlocked as if the commit had succeeded.
- * Do not reference the transaction structure after this call.
+ * As each item fills in the entries it needs, also pin the item
+ * so that it cannot be flushed out until the log write completes.
  */
- /*ARGSUSED*/
-int
-_xfs_trans_commit(
-	xfs_trans_t	*tp,
-	uint		flags,
-	int		*log_flushed)
+static void
+xfs_trans_fill_vecs(
+	struct xfs_trans	*tp,
+	struct xfs_log_iovec	*log_vector)
 {
-	xfs_log_iovec_t		*log_vector;
-	int			nvec;
-	xfs_mount_t		*mp;
-	xfs_lsn_t		commit_lsn;
-	/* REFERENCED */
-	int			error;
-	int			log_flags;
-	int			sync;
-#define	XFS_TRANS_LOGVEC_COUNT	16
-	xfs_log_iovec_t		log_vector_fast[XFS_TRANS_LOGVEC_COUNT];
-	struct xlog_in_core	*commit_iclog;
-	int			shutdown;
-
-	commit_lsn = -1;
+	xfs_log_item_desc_t	*lidp;
+	struct xfs_log_iovec	*vecp;
+	uint			nitems;
 
 	/*
-	 * Determine whether this commit is releasing a permanent
-	 * log reservation or not.
+	 * Skip over the entry for the transaction header, we'll
+	 * fill that in at the end.
 	 */
-	if (flags & XFS_TRANS_RELEASE_LOG_RES) {
-		ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);
-		log_flags = XFS_LOG_REL_PERM_RESERV;
-	} else {
-		log_flags = 0;
-	}
-	mp = tp->t_mountp;
+	vecp = log_vector + 1;
 
-	/*
-	 * If there is nothing to be logged by the transaction,
-	 * then unlock all of the items associated with the
-	 * transaction and free the transaction structure.
-	 * Also make sure to return any reserved blocks to
-	 * the free pool.
-	 */
-shut_us_down:
-	shutdown = XFS_FORCED_SHUTDOWN(mp) ? EIO : 0;
-	if (!(tp->t_flags & XFS_TRANS_DIRTY) || shutdown) {
-		xfs_trans_unreserve_and_mod_sb(tp);
-		/*
-		 * It is indeed possible for the transaction to be
-		 * not dirty but the dqinfo portion to be. All that
-		 * means is that we have some (non-persistent) quota
-		 * reservations that need to be unreserved.
-		 */
-		xfs_trans_unreserve_and_mod_dquots(tp);
-		if (tp->t_ticket) {
-			commit_lsn = xfs_log_done(mp, tp->t_ticket,
-							NULL, log_flags);
-			if (commit_lsn == -1 && !shutdown)
-				shutdown = XFS_ERROR(EIO);
+	nitems = 0;
+	lidp = xfs_trans_first_item(tp);
+	ASSERT(lidp);
+	while (lidp) {
+		/* Skip items which aren't dirty in this transaction. */
+		if (!(lidp->lid_flags & XFS_LID_DIRTY)) {
+			lidp = xfs_trans_next_item(tp, lidp);
+			continue;
 		}
-		current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
-		xfs_trans_free_items(tp, shutdown? XFS_TRANS_ABORT : 0);
-		xfs_trans_free_busy(tp);
-		xfs_trans_free(tp);
-		XFS_STATS_INC(xs_trans_empty);
-		return (shutdown);
+
+		/*
+		 * The item may be marked dirty but not log anything.  This can
+		 * be used to get called when a transaction is committed.
+		 */
+		if (lidp->lid_size)
+			nitems++;
+		IOP_FORMAT(lidp->lid_item, vecp);
+		vecp += lidp->lid_size;
+		IOP_PIN(lidp->lid_item);
+		lidp = xfs_trans_next_item(tp, lidp);
 	}
-	ASSERT(tp->t_ticket != NULL);
 
 	/*
-	 * If we need to update the superblock, then do it now.
+	 * Now that we've counted the number of items in this transaction, fill
+	 * in the transaction header. Note that the transaction header does not
+	 * have a log item.
 	 */
-	if (tp->t_flags & XFS_TRANS_SB_DIRTY)
-		xfs_trans_apply_sb_deltas(tp);
-	xfs_trans_apply_dquot_deltas(tp);
+	tp->t_header.th_magic = XFS_TRANS_HEADER_MAGIC;
+	tp->t_header.th_type = tp->t_type;
+	tp->t_header.th_num_items = nitems;
+	log_vector->i_addr = (xfs_caddr_t)&tp->t_header;
+	log_vector->i_len = sizeof(xfs_trans_header_t);
+	log_vector->i_type = XLOG_REG_TYPE_TRANSHDR;
+}
+
+/*
+ * Format the transaction direct to the iclog. This isolates the physical
+ * transaction commit operation from the logical operation and hence allows
+ * other methods to be introduced without affecting the existing commit path.
+ */
+static int
+xfs_trans_commit_iclog(
+	struct xfs_mount	*mp,
+	struct xfs_trans	*tp,
+	xfs_lsn_t		*commit_lsn,
+	int			flags)
+{
+	int			shutdown;
+	int			error;
+	int			log_flags = 0;
+	struct xlog_in_core	*commit_iclog;
+#define XFS_TRANS_LOGVEC_COUNT  16
+	struct xfs_log_iovec	log_vector_fast[XFS_TRANS_LOGVEC_COUNT];
+	struct xfs_log_iovec	*log_vector;
+	uint			nvec;
+
 
 	/*
 	 * Ask each log item how many log_vector entries it will
@@ -861,8 +891,7 @@ shut_us_down:
 	 */
 	nvec = xfs_trans_count_vecs(tp);
 	if (nvec == 0) {
-		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
-		goto shut_us_down;
+		return ENOMEM;	/* triggers a shutdown! */
 	} else if (nvec <= XFS_TRANS_LOGVEC_COUNT) {
 		log_vector = log_vector_fast;
 	} else {
@@ -877,6 +906,9 @@ shut_us_down:
 	 */
 	xfs_trans_fill_vecs(tp, log_vector);
 
+	if (flags & XFS_TRANS_RELEASE_LOG_RES)
+		log_flags = XFS_LOG_REL_PERM_RESERV;
+
 	error = xfs_log_write(mp, log_vector, nvec, tp->t_ticket, &(tp->t_lsn));
 
 	/*
@@ -884,18 +916,17 @@ shut_us_down:
 	 * at any time after this call.  However, all the items associated
 	 * with the transaction are still locked and pinned in memory.
 	 */
-	commit_lsn = xfs_log_done(mp, tp->t_ticket, &commit_iclog, log_flags);
+	*commit_lsn = xfs_log_done(mp, tp->t_ticket, &commit_iclog, log_flags);
 
-	tp->t_commit_lsn = commit_lsn;
-	if (nvec > XFS_TRANS_LOGVEC_COUNT) {
+	tp->t_commit_lsn = *commit_lsn;
+	if (nvec > XFS_TRANS_LOGVEC_COUNT)
 		kmem_free(log_vector);
-	}
 
 	/*
 	 * If we got a log write error. Unpin the logitems that we
 	 * had pinned, clean up, free trans structure, and return error.
 	 */
-	if (error || commit_lsn == -1) {
+	if (error || *commit_lsn == -1) {
 		current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
 		xfs_trans_uncommit(tp, flags|XFS_TRANS_ABORT);
 		return XFS_ERROR(EIO);
@@ -909,8 +940,6 @@ shut_us_down:
 	 */
 	xfs_trans_unreserve_and_mod_sb(tp);
 
-	sync = tp->t_flags & XFS_TRANS_SYNC;
-
 	/*
 	 * Tell the LM to call the transaction completion routine
 	 * when the log write with LSN commit_lsn completes (e.g.
@@ -953,7 +982,7 @@ shut_us_down:
 	 * the commit lsn of this transaction for dependency tracking
 	 * purposes.
 	 */
-	xfs_trans_unlock_items(tp, commit_lsn);
+	xfs_trans_unlock_items(tp, *commit_lsn);
 
 	/*
 	 * If we detected a log error earlier, finish committing
@@ -973,7 +1002,92 @@ shut_us_down:
 	 * and the items are released we can finally allow the iclog to
 	 * go to disk.
 	 */
-	error = xfs_log_release_iclog(mp, commit_iclog);
+	return xfs_log_release_iclog(mp, commit_iclog);
+}
+
+
+/*
+ * xfs_trans_commit
+ *
+ * Commit the given transaction to the log a/synchronously.
+ *
+ * XFS disk error handling mechanism is not based on a typical
+ * transaction abort mechanism. Logically after the filesystem
+ * gets marked 'SHUTDOWN', we can't let any new transactions
+ * be durable - ie. committed to disk - because some metadata might
+ * be inconsistent. In such cases, this returns an error, and the
+ * caller may assume that all locked objects joined to the transaction
+ * have already been unlocked as if the commit had succeeded.
+ * Do not reference the transaction structure after this call.
+ */
+ /*ARGSUSED*/
+int
+_xfs_trans_commit(
+	xfs_trans_t	*tp,
+	uint		flags,
+	int		*log_flushed)
+{
+	xfs_mount_t		*mp = tp->t_mountp;
+	xfs_lsn_t		commit_lsn = -1;
+	int			error;
+	int			log_flags = 0;
+	int			sync = tp->t_flags & XFS_TRANS_SYNC;
+	int			shutdown;
+
+	/*
+	 * Determine whether this commit is releasing a permanent
+	 * log reservation or not.
+	 */
+	if (flags & XFS_TRANS_RELEASE_LOG_RES) {
+		ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);
+		log_flags = XFS_LOG_REL_PERM_RESERV;
+	}
+
+	/*
+	 * If there is nothing to be logged by the transaction,
+	 * then unlock all of the items associated with the
+	 * transaction and free the transaction structure.
+	 * Also make sure to return any reserved blocks to
+	 * the free pool.
+	 */
+shut_us_down:
+	shutdown = XFS_FORCED_SHUTDOWN(mp) ? EIO : 0;
+	if (!(tp->t_flags & XFS_TRANS_DIRTY) || shutdown) {
+		xfs_trans_unreserve_and_mod_sb(tp);
+		/*
+		 * It is indeed possible for the transaction to be
+		 * not dirty but the dqinfo portion to be. All that
+		 * means is that we have some (non-persistent) quota
+		 * reservations that need to be unreserved.
+		 */
+		xfs_trans_unreserve_and_mod_dquots(tp);
+		if (tp->t_ticket) {
+			commit_lsn = xfs_log_done(mp, tp->t_ticket,
+							NULL, log_flags);
+			if (commit_lsn == -1 && !shutdown)
+				shutdown = XFS_ERROR(EIO);
+		}
+		current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
+		xfs_trans_free_items(tp, shutdown? XFS_TRANS_ABORT : 0);
+		xfs_trans_free_busy(tp);
+		xfs_trans_free(tp);
+		XFS_STATS_INC(xs_trans_empty);
+		return (shutdown);
+	}
+	ASSERT(tp->t_ticket != NULL);
+
+	/*
+	 * If we need to update the superblock, then do it now.
+	 */
+	if (tp->t_flags & XFS_TRANS_SB_DIRTY)
+		xfs_trans_apply_sb_deltas(tp);
+	xfs_trans_apply_dquot_deltas(tp);
+
+	error = xfs_trans_commit_iclog(mp, tp, &commit_lsn, flags);
+	if (error == ENOMEM) {
+		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
+		goto shut_us_down;
+	}
 
 	/*
 	 * If the transaction needs to be synchronous, then force the
@@ -992,47 +1106,6 @@ shut_us_down:
 	return (error);
 }
 
-
-/*
- * Total up the number of log iovecs needed to commit this
- * transaction.  The transaction itself needs one for the
- * transaction header.  Ask each dirty item in turn how many
- * it needs to get the total.
- */
-STATIC uint
-xfs_trans_count_vecs(
-	xfs_trans_t	*tp)
-{
-	int			nvecs;
-	xfs_log_item_desc_t	*lidp;
-
-	nvecs = 1;
-	lidp = xfs_trans_first_item(tp);
-	ASSERT(lidp != NULL);
-
-	/* In the non-debug case we need to start bailing out if we
-	 * didn't find a log_item here, return zero and let trans_commit
-	 * deal with it.
-	 */
-	if (lidp == NULL)
-		return 0;
-
-	while (lidp != NULL) {
-		/*
-		 * Skip items which aren't dirty in this transaction.
-		 */
-		if (!(lidp->lid_flags & XFS_LID_DIRTY)) {
-			lidp = xfs_trans_next_item(tp, lidp);
-			continue;
-		}
-		lidp->lid_size = IOP_SIZE(lidp->lid_item);
-		nvecs += lidp->lid_size;
-		lidp = xfs_trans_next_item(tp, lidp);
-	}
-
-	return nvecs;
-}
-
 /*
  * Called from the trans_commit code when we notice that
  * the filesystem is in the middle of a forced shutdown.
@@ -1062,68 +1135,6 @@ xfs_trans_uncommit(
 	xfs_trans_free(tp);
 }
 
-/*
- * Fill in the vector with pointers to data to be logged
- * by this transaction.  The transaction header takes
- * the first vector, and then each dirty item takes the
- * number of vectors it indicated it needed in xfs_trans_count_vecs().
- *
- * As each item fills in the entries it needs, also pin the item
- * so that it cannot be flushed out until the log write completes.
- */
-STATIC void
-xfs_trans_fill_vecs(
-	xfs_trans_t		*tp,
-	xfs_log_iovec_t		*log_vector)
-{
-	xfs_log_item_desc_t	*lidp;
-	xfs_log_iovec_t		*vecp;
-	uint			nitems;
-
-	/*
-	 * Skip over the entry for the transaction header, we'll
-	 * fill that in at the end.
-	 */
-	vecp = log_vector + 1;		/* pointer arithmetic */
-
-	nitems = 0;
-	lidp = xfs_trans_first_item(tp);
-	ASSERT(lidp != NULL);
-	while (lidp != NULL) {
-		/*
-		 * Skip items which aren't dirty in this transaction.
-		 */
-		if (!(lidp->lid_flags & XFS_LID_DIRTY)) {
-			lidp = xfs_trans_next_item(tp, lidp);
-			continue;
-		}
-		/*
-		 * The item may be marked dirty but not log anything.
-		 * This can be used to get called when a transaction
-		 * is committed.
-		 */
-		if (lidp->lid_size) {
-			nitems++;
-		}
-		IOP_FORMAT(lidp->lid_item, vecp);
-		vecp += lidp->lid_size;		/* pointer arithmetic */
-		IOP_PIN(lidp->lid_item);
-		lidp = xfs_trans_next_item(tp, lidp);
-	}
-
-	/*
-	 * Now that we've counted the number of items in this
-	 * transaction, fill in the transaction header.
-	 */
-	tp->t_header.th_magic = XFS_TRANS_HEADER_MAGIC;
-	tp->t_header.th_type = tp->t_type;
-	tp->t_header.th_num_items = nitems;
-	log_vector->i_addr = (xfs_caddr_t)&tp->t_header;
-	log_vector->i_len = sizeof(xfs_trans_header_t);
-	log_vector->i_type = XLOG_REG_TYPE_TRANSHDR;
-}
-
-
 /*
  * Unlock all of the transaction's items and free the transaction.
  * The transaction must not have modified any of its items, because

From a3ccd2ca43d5cdfe0b256be02957dc5f47ec4c39 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 15 Mar 2010 12:52:49 +1100
Subject: [PATCH 2182/3638] xfs: clean up xfs_trans_commit logic even more

> +shut_us_down:
> +	shutdown = XFS_FORCED_SHUTDOWN(mp) ? EIO : 0;
> +	if (!(tp->t_flags & XFS_TRANS_DIRTY) || shutdown) {
> +		xfs_trans_unreserve_and_mod_sb(tp);
> +		/*

This whole area in _xfs_trans_commit is still a complete mess.

So while touching this code, unravel this mess as well to make the
whole flow of the function simpler and clearer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/xfs_trans.c | 69 +++++++++++++++++++++++++---------------------
 1 file changed, 37 insertions(+), 32 deletions(-)

diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index e07b3290b3b..2bff2299512 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1020,19 +1020,17 @@ xfs_trans_commit_iclog(
  * have already been unlocked as if the commit had succeeded.
  * Do not reference the transaction structure after this call.
  */
- /*ARGSUSED*/
 int
 _xfs_trans_commit(
-	xfs_trans_t	*tp,
-	uint		flags,
-	int		*log_flushed)
+	struct xfs_trans	*tp,
+	uint			flags,
+	int			*log_flushed)
 {
-	xfs_mount_t		*mp = tp->t_mountp;
+	struct xfs_mount	*mp = tp->t_mountp;
 	xfs_lsn_t		commit_lsn = -1;
-	int			error;
+	int			error = 0;
 	int			log_flags = 0;
 	int			sync = tp->t_flags & XFS_TRANS_SYNC;
-	int			shutdown;
 
 	/*
 	 * Determine whether this commit is releasing a permanent
@@ -1050,30 +1048,14 @@ _xfs_trans_commit(
 	 * Also make sure to return any reserved blocks to
 	 * the free pool.
 	 */
-shut_us_down:
-	shutdown = XFS_FORCED_SHUTDOWN(mp) ? EIO : 0;
-	if (!(tp->t_flags & XFS_TRANS_DIRTY) || shutdown) {
-		xfs_trans_unreserve_and_mod_sb(tp);
-		/*
-		 * It is indeed possible for the transaction to be
-		 * not dirty but the dqinfo portion to be. All that
-		 * means is that we have some (non-persistent) quota
-		 * reservations that need to be unreserved.
-		 */
-		xfs_trans_unreserve_and_mod_dquots(tp);
-		if (tp->t_ticket) {
-			commit_lsn = xfs_log_done(mp, tp->t_ticket,
-							NULL, log_flags);
-			if (commit_lsn == -1 && !shutdown)
-				shutdown = XFS_ERROR(EIO);
-		}
-		current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
-		xfs_trans_free_items(tp, shutdown? XFS_TRANS_ABORT : 0);
-		xfs_trans_free_busy(tp);
-		xfs_trans_free(tp);
-		XFS_STATS_INC(xs_trans_empty);
-		return (shutdown);
+	if (!(tp->t_flags & XFS_TRANS_DIRTY))
+		goto out_unreserve;
+
+	if (XFS_FORCED_SHUTDOWN(mp)) {
+		error = XFS_ERROR(EIO);
+		goto out_unreserve;
 	}
+
 	ASSERT(tp->t_ticket != NULL);
 
 	/*
@@ -1086,7 +1068,8 @@ shut_us_down:
 	error = xfs_trans_commit_iclog(mp, tp, &commit_lsn, flags);
 	if (error == ENOMEM) {
 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
-		goto shut_us_down;
+		error = XFS_ERROR(EIO);
+		goto out_unreserve;
 	}
 
 	/*
@@ -1103,7 +1086,29 @@ shut_us_down:
 		XFS_STATS_INC(xs_trans_async);
 	}
 
-	return (error);
+	return error;
+
+out_unreserve:
+	xfs_trans_unreserve_and_mod_sb(tp);
+
+	/*
+	 * It is indeed possible for the transaction to be not dirty but
+	 * the dqinfo portion to be.  All that means is that we have some
+	 * (non-persistent) quota reservations that need to be unreserved.
+	 */
+	xfs_trans_unreserve_and_mod_dquots(tp);
+	if (tp->t_ticket) {
+		commit_lsn = xfs_log_done(mp, tp->t_ticket, NULL, log_flags);
+		if (commit_lsn == -1 && !error)
+			error = XFS_ERROR(EIO);
+	}
+	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
+	xfs_trans_free_items(tp, error ? XFS_TRANS_ABORT : 0);
+	xfs_trans_free_busy(tp);
+	xfs_trans_free(tp);
+
+	XFS_STATS_INC(xs_trans_empty);
+	return error;
 }
 
 /*

From 8e646a55ac69fe620b9e84034c03dd1e8e16a36b Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Mon, 8 Mar 2010 15:06:22 +1100
Subject: [PATCH 2183/3638] xfs: update and factor xfs_trans_committed()

The function header to xfs-trans_committed has long had this
comment:

 * THIS SHOULD BE REWRITTEN TO USE xfs_trans_next_item()

To prepare for different methods of committing items, convert the
code to use xfs_trans_next_item() and factor the code into smaller,
more digestible chunks.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_trans.c | 246 +++++++++++++++++++--------------------------
 1 file changed, 106 insertions(+), 140 deletions(-)

diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 2bff2299512..084bd3a1318 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -49,7 +49,6 @@
 STATIC void	xfs_trans_apply_sb_deltas(xfs_trans_t *);
 STATIC void	xfs_trans_uncommit(xfs_trans_t *, uint);
 STATIC void	xfs_trans_committed(xfs_trans_t *, int);
-STATIC void	xfs_trans_chunk_committed(xfs_log_item_chunk_t *, xfs_lsn_t, int);
 STATIC void	xfs_trans_free(xfs_trans_t *);
 
 kmem_zone_t	*xfs_trans_zone;
@@ -1301,60 +1300,86 @@ xfs_trans_roll(
 }
 
 /*
- * THIS SHOULD BE REWRITTEN TO USE xfs_trans_next_item().
+ * The committed item processing consists of calling the committed routine of
+ * each logged item, updating the item's position in the AIL if necessary, and
+ * unpinning each item.  If the committed routine returns -1, then do nothing
+ * further with the item because it may have been freed.
  *
- * This is typically called by the LM when a transaction has been fully
- * committed to disk.  It needs to unpin the items which have
- * been logged by the transaction and update their positions
- * in the AIL if necessary.
- * This also gets called when the transactions didn't get written out
- * because of an I/O error. Abortflag & XFS_LI_ABORTED is set then.
+ * Since items are unlocked when they are copied to the incore log, it is
+ * possible for two transactions to be completing and manipulating the same
+ * item simultaneously.  The AIL lock will protect the lsn field of each item.
+ * The value of this field can never go backwards.
  *
- * Call xfs_trans_chunk_committed() to process the items in
- * each chunk.
+ * We unpin the items after repositioning them in the AIL, because otherwise
+ * they could be immediately flushed and we'd have to race with the flusher
+ * trying to pull the item from the AIL as we add it.
  */
-STATIC void
-xfs_trans_committed(
-	xfs_trans_t	*tp,
-	int		abortflag)
+static void
+xfs_trans_item_committed(
+	xfs_log_item_t	*lip,
+	xfs_lsn_t	commit_lsn,
+	int		aborted)
+{
+	xfs_lsn_t	item_lsn;
+	struct xfs_ail	*ailp;
+
+	if (aborted)
+		lip->li_flags |= XFS_LI_ABORTED;
+
+	/*
+	 * Send in the ABORTED flag to the COMMITTED routine so that it knows
+	 * whether the transaction was aborted or not.
+	 */
+	item_lsn = IOP_COMMITTED(lip, commit_lsn);
+
+	/*
+	 * If the committed routine returns -1, item has been freed.
+	 */
+	if (XFS_LSN_CMP(item_lsn, (xfs_lsn_t)-1) == 0)
+		return;
+
+	/*
+	 * If the returned lsn is greater than what it contained before, update
+	 * the location of the item in the AIL.  If it is not, then do nothing.
+	 * Items can never move backwards in the AIL.
+	 *
+	 * While the new lsn should usually be greater, it is possible that a
+	 * later transaction completing simultaneously with an earlier one
+	 * using the same item could complete first with a higher lsn.  This
+	 * would cause the earlier transaction to fail the test below.
+	 */
+	ailp = lip->li_ailp;
+	spin_lock(&ailp->xa_lock);
+	if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0) {
+		/*
+		 * This will set the item's lsn to item_lsn and update the
+		 * position of the item in the AIL.
+		 *
+		 * xfs_trans_ail_update() drops the AIL lock.
+		 */
+		xfs_trans_ail_update(ailp, lip, item_lsn);
+	} else {
+		spin_unlock(&ailp->xa_lock);
+	}
+
+	/*
+	 * Now that we've repositioned the item in the AIL, unpin it so it can
+	 * be flushed. Pass information about buffer stale state down from the
+	 * log item flags, if anyone else stales the buffer we do not want to
+	 * pay any attention to it.
+	 */
+	IOP_UNPIN(lip);
+}
+
+/* Clear all the per-AG busy list items listed in this transaction */
+static void
+xfs_trans_clear_busy_extents(
+	struct xfs_trans	*tp)
 {
-	xfs_log_item_chunk_t	*licp;
-	xfs_log_item_chunk_t	*next_licp;
 	xfs_log_busy_chunk_t	*lbcp;
 	xfs_log_busy_slot_t	*lbsp;
 	int			i;
 
-	/*
-	 * Call the transaction's completion callback if there
-	 * is one.
-	 */
-	if (tp->t_callback != NULL) {
-		tp->t_callback(tp, tp->t_callarg);
-	}
-
-	/*
-	 * Special case the chunk embedded in the transaction.
-	 */
-	licp = &(tp->t_items);
-	if (!(xfs_lic_are_all_free(licp))) {
-		xfs_trans_chunk_committed(licp, tp->t_lsn, abortflag);
-	}
-
-	/*
-	 * Process the items in each chunk in turn.
-	 */
-	licp = licp->lic_next;
-	while (licp != NULL) {
-		ASSERT(!xfs_lic_are_all_free(licp));
-		xfs_trans_chunk_committed(licp, tp->t_lsn, abortflag);
-		next_licp = licp->lic_next;
-		kmem_free(licp);
-		licp = next_licp;
-	}
-
-	/*
-	 * Clear all the per-AG busy list items listed in this transaction
-	 */
 	lbcp = &tp->t_busy;
 	while (lbcp != NULL) {
 		for (i = 0, lbsp = lbcp->lbc_busy; i < lbcp->lbc_unused; i++, lbsp++) {
@@ -1366,107 +1391,48 @@ xfs_trans_committed(
 		lbcp = lbcp->lbc_next;
 	}
 	xfs_trans_free_busy(tp);
-
-	/*
-	 * That's it for the transaction structure.  Free it.
-	 */
-	xfs_trans_free(tp);
 }
 
 /*
- * This is called to perform the commit processing for each
- * item described by the given chunk.
+ * This is typically called by the LM when a transaction has been fully
+ * committed to disk.  It needs to unpin the items which have
+ * been logged by the transaction and update their positions
+ * in the AIL if necessary.
  *
- * The commit processing consists of unlocking items which were
- * held locked with the SYNC_UNLOCK attribute, calling the committed
- * routine of each logged item, updating the item's position in the AIL
- * if necessary, and unpinning each item.  If the committed routine
- * returns -1, then do nothing further with the item because it
- * may have been freed.
- *
- * Since items are unlocked when they are copied to the incore
- * log, it is possible for two transactions to be completing
- * and manipulating the same item simultaneously.  The AIL lock
- * will protect the lsn field of each item.  The value of this
- * field can never go backwards.
- *
- * We unpin the items after repositioning them in the AIL, because
- * otherwise they could be immediately flushed and we'd have to race
- * with the flusher trying to pull the item from the AIL as we add it.
+ * This also gets called when the transactions didn't get written out
+ * because of an I/O error. Abortflag & XFS_LI_ABORTED is set then.
  */
 STATIC void
-xfs_trans_chunk_committed(
-	xfs_log_item_chunk_t	*licp,
-	xfs_lsn_t		lsn,
-	int			aborted)
+xfs_trans_committed(
+	xfs_trans_t	*tp,
+	int		abortflag)
 {
 	xfs_log_item_desc_t	*lidp;
-	xfs_log_item_t		*lip;
-	xfs_lsn_t		item_lsn;
-	int			i;
+	xfs_log_item_chunk_t	*licp;
+	xfs_log_item_chunk_t	*next_licp;
 
-	lidp = licp->lic_descs;
-	for (i = 0; i < licp->lic_unused; i++, lidp++) {
-		struct xfs_ail		*ailp;
-
-		if (xfs_lic_isfree(licp, i)) {
-			continue;
-		}
-
-		lip = lidp->lid_item;
-		if (aborted)
-			lip->li_flags |= XFS_LI_ABORTED;
-
-		/*
-		 * Send in the ABORTED flag to the COMMITTED routine
-		 * so that it knows whether the transaction was aborted
-		 * or not.
-		 */
-		item_lsn = IOP_COMMITTED(lip, lsn);
-
-		/*
-		 * If the committed routine returns -1, make
-		 * no more references to the item.
-		 */
-		if (XFS_LSN_CMP(item_lsn, (xfs_lsn_t)-1) == 0) {
-			continue;
-		}
-
-		/*
-		 * If the returned lsn is greater than what it
-		 * contained before, update the location of the
-		 * item in the AIL.  If it is not, then do nothing.
-		 * Items can never move backwards in the AIL.
-		 *
-		 * While the new lsn should usually be greater, it
-		 * is possible that a later transaction completing
-		 * simultaneously with an earlier one using the
-		 * same item could complete first with a higher lsn.
-		 * This would cause the earlier transaction to fail
-		 * the test below.
-		 */
-		ailp = lip->li_ailp;
-		spin_lock(&ailp->xa_lock);
-		if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0) {
-			/*
-			 * This will set the item's lsn to item_lsn
-			 * and update the position of the item in
-			 * the AIL.
-			 *
-			 * xfs_trans_ail_update() drops the AIL lock.
-			 */
-			xfs_trans_ail_update(ailp, lip, item_lsn);
-		} else {
-			spin_unlock(&ailp->xa_lock);
-		}
-
-		/*
-		 * Now that we've repositioned the item in the AIL,
-		 * unpin it so it can be flushed. Pass information
-		 * about buffer stale state down from the log item
-		 * flags, if anyone else stales the buffer we do not
-		 * want to pay any attention to it.
-		 */
-		IOP_UNPIN(lip);
+	/*
+	 * Call the transaction's completion callback if there
+	 * is one.
+	 */
+	if (tp->t_callback != NULL) {
+		tp->t_callback(tp, tp->t_callarg);
 	}
+
+	for (lidp = xfs_trans_first_item(tp);
+	     lidp != NULL;
+	     lidp = xfs_trans_next_item(tp, lidp)) {
+		xfs_trans_item_committed(lidp->lid_item, tp->t_lsn, abortflag);
+	}
+
+	/* free the item chunks, ignoring the embedded chunk */
+	licp = tp->t_items.lic_next;
+	while (licp != NULL) {
+		next_licp = licp->lic_next;
+		kmem_free(licp);
+		licp = next_licp;
+	}
+
+	xfs_trans_clear_busy_extents(tp);
+	xfs_trans_free(tp);
 }

From b1c1b5b6108ad8e5991a614514f41da436c659d6 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 23 Mar 2010 10:11:05 +1100
Subject: [PATCH 2184/3638] xfs: Clean up xfs_trans_committed code after
 factoring

Now that the code has been factored, clean up all the remaining
style cruft, simplify the code and re-order functions so that it
doesn't need forward declarations.

Also move the remaining functions that require forward declarations
(xfs_trans_uncommit, xfs_trans_free) so that all the forward
declarations can be removed from the file.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_trans.c | 356 +++++++++++++++++++++------------------------
 1 file changed, 166 insertions(+), 190 deletions(-)

diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 084bd3a1318..be578ecb4af 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -45,20 +45,12 @@
 #include "xfs_trans_space.h"
 #include "xfs_inode_item.h"
 
-
-STATIC void	xfs_trans_apply_sb_deltas(xfs_trans_t *);
-STATIC void	xfs_trans_uncommit(xfs_trans_t *, uint);
-STATIC void	xfs_trans_committed(xfs_trans_t *, int);
-STATIC void	xfs_trans_free(xfs_trans_t *);
-
 kmem_zone_t	*xfs_trans_zone;
 
-
 /*
  * Reservation functions here avoid a huge stack in xfs_trans_init
  * due to register overflow from temporaries in the calculations.
  */
-
 STATIC uint
 xfs_calc_write_reservation(xfs_mount_t *mp)
 {
@@ -257,6 +249,19 @@ _xfs_trans_alloc(
 	return tp;
 }
 
+/*
+ * Free the transaction structure.  If there is more clean up
+ * to do when the structure is freed, add it here.
+ */
+STATIC void
+xfs_trans_free(
+	xfs_trans_t	*tp)
+{
+	atomic_dec(&tp->t_mountp->m_active_trans);
+	xfs_trans_free_dqinfo(tp);
+	kmem_zone_free(xfs_trans_zone, tp);
+}
+
 /*
  * This is called to create a new transaction which will share the
  * permanent log reservation of the given transaction.  The remaining
@@ -769,7 +774,7 @@ xfs_trans_unreserve_and_mod_sb(
  */
 static uint
 xfs_trans_count_vecs(
-	xfs_trans_t	*tp)
+	struct xfs_trans	*tp)
 {
 	int			nvecs;
 	xfs_log_item_desc_t	*lidp;
@@ -860,6 +865,158 @@ xfs_trans_fill_vecs(
 	log_vector->i_type = XLOG_REG_TYPE_TRANSHDR;
 }
 
+/*
+ * The committed item processing consists of calling the committed routine of
+ * each logged item, updating the item's position in the AIL if necessary, and
+ * unpinning each item.  If the committed routine returns -1, then do nothing
+ * further with the item because it may have been freed.
+ *
+ * Since items are unlocked when they are copied to the incore log, it is
+ * possible for two transactions to be completing and manipulating the same
+ * item simultaneously.  The AIL lock will protect the lsn field of each item.
+ * The value of this field can never go backwards.
+ *
+ * We unpin the items after repositioning them in the AIL, because otherwise
+ * they could be immediately flushed and we'd have to race with the flusher
+ * trying to pull the item from the AIL as we add it.
+ */
+static void
+xfs_trans_item_committed(
+	struct xfs_log_item	*lip,
+	xfs_lsn_t		commit_lsn,
+	int			aborted)
+{
+	xfs_lsn_t		item_lsn;
+	struct xfs_ail		*ailp;
+
+	if (aborted)
+		lip->li_flags |= XFS_LI_ABORTED;
+	item_lsn = IOP_COMMITTED(lip, commit_lsn);
+
+	/* If the committed routine returns -1, item has been freed. */
+	if (XFS_LSN_CMP(item_lsn, (xfs_lsn_t)-1) == 0)
+		return;
+
+	/*
+	 * If the returned lsn is greater than what it contained before, update
+	 * the location of the item in the AIL.  If it is not, then do nothing.
+	 * Items can never move backwards in the AIL.
+	 *
+	 * While the new lsn should usually be greater, it is possible that a
+	 * later transaction completing simultaneously with an earlier one
+	 * using the same item could complete first with a higher lsn.  This
+	 * would cause the earlier transaction to fail the test below.
+	 */
+	ailp = lip->li_ailp;
+	spin_lock(&ailp->xa_lock);
+	if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0) {
+		/*
+		 * This will set the item's lsn to item_lsn and update the
+		 * position of the item in the AIL.
+		 *
+		 * xfs_trans_ail_update() drops the AIL lock.
+		 */
+		xfs_trans_ail_update(ailp, lip, item_lsn);
+	} else {
+		spin_unlock(&ailp->xa_lock);
+	}
+
+	/*
+	 * Now that we've repositioned the item in the AIL, unpin it so it can
+	 * be flushed. Pass information about buffer stale state down from the
+	 * log item flags, if anyone else stales the buffer we do not want to
+	 * pay any attention to it.
+	 */
+	IOP_UNPIN(lip);
+}
+
+/* Clear all the per-AG busy list items listed in this transaction */
+static void
+xfs_trans_clear_busy_extents(
+	struct xfs_trans	*tp)
+{
+	xfs_log_busy_chunk_t	*lbcp;
+	xfs_log_busy_slot_t	*lbsp;
+	int			i;
+
+	for (lbcp = &tp->t_busy; lbcp != NULL; lbcp = lbcp->lbc_next) {
+		i = 0;
+		for (lbsp = lbcp->lbc_busy; i < lbcp->lbc_unused; i++, lbsp++) {
+			if (XFS_LBC_ISFREE(lbcp, i))
+				continue;
+			xfs_alloc_clear_busy(tp, lbsp->lbc_ag, lbsp->lbc_idx);
+		}
+	}
+	xfs_trans_free_busy(tp);
+}
+
+/*
+ * This is typically called by the LM when a transaction has been fully
+ * committed to disk.  It needs to unpin the items which have
+ * been logged by the transaction and update their positions
+ * in the AIL if necessary.
+ *
+ * This also gets called when the transactions didn't get written out
+ * because of an I/O error. Abortflag & XFS_LI_ABORTED is set then.
+ */
+STATIC void
+xfs_trans_committed(
+	struct xfs_trans	*tp,
+	int			abortflag)
+{
+	xfs_log_item_desc_t	*lidp;
+	xfs_log_item_chunk_t	*licp;
+	xfs_log_item_chunk_t	*next_licp;
+
+	/* Call the transaction's completion callback if there is one. */
+	if (tp->t_callback != NULL)
+		tp->t_callback(tp, tp->t_callarg);
+
+	for (lidp = xfs_trans_first_item(tp);
+	     lidp != NULL;
+	     lidp = xfs_trans_next_item(tp, lidp)) {
+		xfs_trans_item_committed(lidp->lid_item, tp->t_lsn, abortflag);
+	}
+
+	/* free the item chunks, ignoring the embedded chunk */
+	for (licp = tp->t_items.lic_next; licp != NULL; licp = next_licp) {
+		next_licp = licp->lic_next;
+		kmem_free(licp);
+	}
+
+	xfs_trans_clear_busy_extents(tp);
+	xfs_trans_free(tp);
+}
+
+/*
+ * Called from the trans_commit code when we notice that
+ * the filesystem is in the middle of a forced shutdown.
+ */
+STATIC void
+xfs_trans_uncommit(
+	struct xfs_trans	*tp,
+	uint			flags)
+{
+	xfs_log_item_desc_t	*lidp;
+
+	for (lidp = xfs_trans_first_item(tp);
+	     lidp != NULL;
+	     lidp = xfs_trans_next_item(tp, lidp)) {
+		/*
+		 * Unpin all but those that aren't dirty.
+		 */
+		if (lidp->lid_flags & XFS_LID_DIRTY)
+			IOP_UNPIN_REMOVE(lidp->lid_item, tp);
+	}
+
+	xfs_trans_unreserve_and_mod_sb(tp);
+	xfs_trans_unreserve_and_mod_dquots(tp);
+
+	xfs_trans_free_items(tp, flags);
+	xfs_trans_free_busy(tp);
+	xfs_trans_free(tp);
+}
+
 /*
  * Format the transaction direct to the iclog. This isolates the physical
  * transaction commit operation from the logical operation and hence allows
@@ -1110,35 +1267,6 @@ out_unreserve:
 	return error;
 }
 
-/*
- * Called from the trans_commit code when we notice that
- * the filesystem is in the middle of a forced shutdown.
- */
-STATIC void
-xfs_trans_uncommit(
-	xfs_trans_t	*tp,
-	uint		flags)
-{
-	xfs_log_item_desc_t	*lidp;
-
-	for (lidp = xfs_trans_first_item(tp);
-	     lidp != NULL;
-	     lidp = xfs_trans_next_item(tp, lidp)) {
-		/*
-		 * Unpin all but those that aren't dirty.
-		 */
-		if (lidp->lid_flags & XFS_LID_DIRTY)
-			IOP_UNPIN_REMOVE(lidp->lid_item, tp);
-	}
-
-	xfs_trans_unreserve_and_mod_sb(tp);
-	xfs_trans_unreserve_and_mod_dquots(tp);
-
-	xfs_trans_free_items(tp, flags);
-	xfs_trans_free_busy(tp);
-	xfs_trans_free(tp);
-}
-
 /*
  * Unlock all of the transaction's items and free the transaction.
  * The transaction must not have modified any of its items, because
@@ -1215,20 +1343,6 @@ xfs_trans_cancel(
 	xfs_trans_free(tp);
 }
 
-
-/*
- * Free the transaction structure.  If there is more clean up
- * to do when the structure is freed, add it here.
- */
-STATIC void
-xfs_trans_free(
-	xfs_trans_t	*tp)
-{
-	atomic_dec(&tp->t_mountp->m_active_trans);
-	xfs_trans_free_dqinfo(tp);
-	kmem_zone_free(xfs_trans_zone, tp);
-}
-
 /*
  * Roll from one trans in the sequence of PERMANENT transactions to
  * the next: permanent transactions are only flushed out when
@@ -1298,141 +1412,3 @@ xfs_trans_roll(
 	xfs_trans_ihold(trans, dp);
 	return 0;
 }
-
-/*
- * The committed item processing consists of calling the committed routine of
- * each logged item, updating the item's position in the AIL if necessary, and
- * unpinning each item.  If the committed routine returns -1, then do nothing
- * further with the item because it may have been freed.
- *
- * Since items are unlocked when they are copied to the incore log, it is
- * possible for two transactions to be completing and manipulating the same
- * item simultaneously.  The AIL lock will protect the lsn field of each item.
- * The value of this field can never go backwards.
- *
- * We unpin the items after repositioning them in the AIL, because otherwise
- * they could be immediately flushed and we'd have to race with the flusher
- * trying to pull the item from the AIL as we add it.
- */
-static void
-xfs_trans_item_committed(
-	xfs_log_item_t	*lip,
-	xfs_lsn_t	commit_lsn,
-	int		aborted)
-{
-	xfs_lsn_t	item_lsn;
-	struct xfs_ail	*ailp;
-
-	if (aborted)
-		lip->li_flags |= XFS_LI_ABORTED;
-
-	/*
-	 * Send in the ABORTED flag to the COMMITTED routine so that it knows
-	 * whether the transaction was aborted or not.
-	 */
-	item_lsn = IOP_COMMITTED(lip, commit_lsn);
-
-	/*
-	 * If the committed routine returns -1, item has been freed.
-	 */
-	if (XFS_LSN_CMP(item_lsn, (xfs_lsn_t)-1) == 0)
-		return;
-
-	/*
-	 * If the returned lsn is greater than what it contained before, update
-	 * the location of the item in the AIL.  If it is not, then do nothing.
-	 * Items can never move backwards in the AIL.
-	 *
-	 * While the new lsn should usually be greater, it is possible that a
-	 * later transaction completing simultaneously with an earlier one
-	 * using the same item could complete first with a higher lsn.  This
-	 * would cause the earlier transaction to fail the test below.
-	 */
-	ailp = lip->li_ailp;
-	spin_lock(&ailp->xa_lock);
-	if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0) {
-		/*
-		 * This will set the item's lsn to item_lsn and update the
-		 * position of the item in the AIL.
-		 *
-		 * xfs_trans_ail_update() drops the AIL lock.
-		 */
-		xfs_trans_ail_update(ailp, lip, item_lsn);
-	} else {
-		spin_unlock(&ailp->xa_lock);
-	}
-
-	/*
-	 * Now that we've repositioned the item in the AIL, unpin it so it can
-	 * be flushed. Pass information about buffer stale state down from the
-	 * log item flags, if anyone else stales the buffer we do not want to
-	 * pay any attention to it.
-	 */
-	IOP_UNPIN(lip);
-}
-
-/* Clear all the per-AG busy list items listed in this transaction */
-static void
-xfs_trans_clear_busy_extents(
-	struct xfs_trans	*tp)
-{
-	xfs_log_busy_chunk_t	*lbcp;
-	xfs_log_busy_slot_t	*lbsp;
-	int			i;
-
-	lbcp = &tp->t_busy;
-	while (lbcp != NULL) {
-		for (i = 0, lbsp = lbcp->lbc_busy; i < lbcp->lbc_unused; i++, lbsp++) {
-			if (!XFS_LBC_ISFREE(lbcp, i)) {
-				xfs_alloc_clear_busy(tp, lbsp->lbc_ag,
-						     lbsp->lbc_idx);
-			}
-		}
-		lbcp = lbcp->lbc_next;
-	}
-	xfs_trans_free_busy(tp);
-}
-
-/*
- * This is typically called by the LM when a transaction has been fully
- * committed to disk.  It needs to unpin the items which have
- * been logged by the transaction and update their positions
- * in the AIL if necessary.
- *
- * This also gets called when the transactions didn't get written out
- * because of an I/O error. Abortflag & XFS_LI_ABORTED is set then.
- */
-STATIC void
-xfs_trans_committed(
-	xfs_trans_t	*tp,
-	int		abortflag)
-{
-	xfs_log_item_desc_t	*lidp;
-	xfs_log_item_chunk_t	*licp;
-	xfs_log_item_chunk_t	*next_licp;
-
-	/*
-	 * Call the transaction's completion callback if there
-	 * is one.
-	 */
-	if (tp->t_callback != NULL) {
-		tp->t_callback(tp, tp->t_callarg);
-	}
-
-	for (lidp = xfs_trans_first_item(tp);
-	     lidp != NULL;
-	     lidp = xfs_trans_next_item(tp, lidp)) {
-		xfs_trans_item_committed(lidp->lid_item, tp->t_lsn, abortflag);
-	}
-
-	/* free the item chunks, ignoring the embedded chunk */
-	licp = tp->t_items.lic_next;
-	while (licp != NULL) {
-		next_licp = licp->lic_next;
-		kmem_free(licp);
-		licp = next_licp;
-	}
-
-	xfs_trans_clear_busy_extents(tp);
-	xfs_trans_free(tp);
-}

From 9b9fc2b7602ed671d1a8524d4c31302b89554947 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 23 Mar 2010 11:21:11 +1100
Subject: [PATCH 2185/3638] xfs: log ticket reservation underestimates the
 number of iclogs

When allocation a ticket for a transaction, the ticket is initialised with the
worst case log space usage based on the number of bytes the transaction may
consume. Part of this calculation is the number of log headers required for the
iclog space used up by the transaction.

This calculation makes an undocumented assumption that if the transaction uses
the log header space reservation on an iclog, then it consumes either the
entire iclog or it completes. That is - the transaction that is first in an
iclog is the transaction that the log header reservation is accounted to. If
the transaction is larger than the iclog, then it will use the entire iclog
itself. Document this assumption.

Further, the current calculation uses the rule that we can fit iclog_size bytes
of transaction data into an iclog. This is in correct - the amount of space
available in an iclog for transaction data is the size of the iclog minus the
space used for log record headers. This means that the calculation is out by
512 bytes per 32k of log space the transaction can consume. This is rarely an
issue because maximally sized transactions are extremely uncommon, and for 4k
block size filesystems maximal transaction reservations are about 400kb. Hence
the error in this case is less than the size of an iclog, so that makes it even
harder to hit.

However, anyone using larger directory blocks (16k directory blocks push the
maximum transaction size to approx. 900k on a 4k block size filesystem) or
larger block size (e.g. 64k blocks push transactions to the 3-4MB size) could
see the error grow to more than an iclog and at this point the transaction is
guaranteed to get a reservation underrun and shutdown the filesystem.

Fix this by adjusting the calculation to calculate the correct number of iclogs
required and account for them all up front.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_log.c | 55 ++++++++++++++++++++++++++++++++++++------------
 1 file changed, 42 insertions(+), 13 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 8556c59628b..81323d73a4e 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -664,7 +664,10 @@ xfs_log_item_init(
 /*
  * Write region vectors to log.  The write happens using the space reservation
  * of the ticket (tic).  It is not a requirement that all writes for a given
- * transaction occur with one call to xfs_log_write().
+ * transaction occur with one call to xfs_log_write(). However, it is important
+ * to note that the transaction reservation code makes an assumption about the
+ * number of log headers a transaction requires that may be violated if you
+ * don't pass all the transaction vectors in one call....
  */
 int
 xfs_log_write(
@@ -3170,14 +3173,16 @@ xfs_log_ticket_get(
  * Allocate and initialise a new log ticket.
  */
 STATIC xlog_ticket_t *
-xlog_ticket_alloc(xlog_t		*log,
-		int		unit_bytes,
-		int		cnt,
-		char		client,
-		uint		xflags)
+xlog_ticket_alloc(
+	struct log	*log,
+	int		unit_bytes,
+	int		cnt,
+	char		client,
+	uint		xflags)
 {
-	xlog_ticket_t	*tic;
+	struct xlog_ticket *tic;
 	uint		num_headers;
+	int		iclog_space;
 
 	tic = kmem_zone_zalloc(xfs_log_ticket_zone, KM_SLEEP|KM_MAYFAIL);
 	if (!tic)
@@ -3221,16 +3226,40 @@ xlog_ticket_alloc(xlog_t		*log,
 	/* for start-rec */
 	unit_bytes += sizeof(xlog_op_header_t);
 
-	/* for LR headers */
-	num_headers = ((unit_bytes + log->l_iclog_size-1) >> log->l_iclog_size_log);
+	/*
+	 * for LR headers - the space for data in an iclog is the size minus
+	 * the space used for the headers. If we use the iclog size, then we
+	 * undercalculate the number of headers required.
+	 *
+	 * Furthermore - the addition of op headers for split-recs might
+	 * increase the space required enough to require more log and op
+	 * headers, so take that into account too.
+	 *
+	 * IMPORTANT: This reservation makes the assumption that if this
+	 * transaction is the first in an iclog and hence has the LR headers
+	 * accounted to it, then the remaining space in the iclog is
+	 * exclusively for this transaction.  i.e. if the transaction is larger
+	 * than the iclog, it will be the only thing in that iclog.
+	 * Fundamentally, this means we must pass the entire log vector to
+	 * xlog_write to guarantee this.
+	 */
+	iclog_space = log->l_iclog_size - log->l_iclog_hsize;
+	num_headers = howmany(unit_bytes, iclog_space);
+
+	/* for split-recs - ophdrs added when data split over LRs */
+	unit_bytes += sizeof(xlog_op_header_t) * num_headers;
+
+	/* add extra header reservations if we overrun */
+	while (!num_headers ||
+	       howmany(unit_bytes, iclog_space) > num_headers) {
+		unit_bytes += sizeof(xlog_op_header_t);
+		num_headers++;
+	}
 	unit_bytes += log->l_iclog_hsize * num_headers;
 
 	/* for commit-rec LR header - note: padding will subsume the ophdr */
 	unit_bytes += log->l_iclog_hsize;
 
-	/* for split-recs - ophdrs added when data split over LRs */
-	unit_bytes += sizeof(xlog_op_header_t) * num_headers;
-
 	/* for roundoff padding for transaction data and one for commit record */
 	if (xfs_sb_version_haslogv2(&log->l_mp->m_sb) &&
 	    log->l_mp->m_sb.sb_logsunit > 1) {
@@ -3252,7 +3281,7 @@ xlog_ticket_alloc(xlog_t		*log,
 	tic->t_trans_type	= 0;
 	if (xflags & XFS_LOG_PERM_RESERV)
 		tic->t_flags |= XLOG_TIC_PERM_RESERV;
-	sv_init(&(tic->t_wait), SV_DEFAULT, "logtick");
+	sv_init(&tic->t_wait, SV_DEFAULT, "logtick");
 
 	xlog_tic_reset_res(tic);
 

From b5203cd0a43c17dfb9d498bc9e3146624e8c9622 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 23 Mar 2010 11:29:44 +1100
Subject: [PATCH 2186/3638] xfs: factor xlog_write

xlog_write is a mess that takes a lot of effort to understand. It is
a mass of nested loops with 4 space indents to get it to fit in 80 columns
and lots of funky variables that aren't obvious what they mean or do.

Break it down into understandable chunks.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_log.c | 337 +++++++++++++++++++++++++++++++----------------
 1 file changed, 225 insertions(+), 112 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 81323d73a4e..4a0ec592564 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1629,6 +1629,193 @@ xlog_print_tic_res(xfs_mount_t *mp, xlog_ticket_t *ticket)
 	}
 }
 
+/*
+ * Calculate the potential space needed by the log vector.  Each region gets
+ * its own xlog_op_header_t and may need to be double word aligned.
+ */
+static int
+xlog_write_calc_vec_length(
+	struct xlog_ticket	*ticket,
+	struct xfs_log_iovec	reg[],
+	int			nentries)
+{
+	int			headers = 0;
+	int			len = 0;
+	int			i;
+
+	/* acct for start rec of xact */
+	if (ticket->t_flags & XLOG_TIC_INITED)
+		headers++;
+
+	for (i = 0; i < nentries; i++) {
+		/* each region gets >= 1 */
+		headers++;
+
+		len += reg[i].i_len;
+		xlog_tic_add_region(ticket, reg[i].i_len, reg[i].i_type);
+	}
+
+	ticket->t_res_num_ophdrs += headers;
+	len += headers * sizeof(struct xlog_op_header);
+
+	return len;
+}
+
+/*
+ * If first write for transaction, insert start record  We can't be trying to
+ * commit if we are inited.  We can't have any "partial_copy" if we are inited.
+ */
+static int
+xlog_write_start_rec(
+	__psint_t		ptr,
+	struct xlog_ticket	*ticket)
+{
+	struct xlog_op_header	*ophdr = (struct xlog_op_header *)ptr;
+
+	if (!(ticket->t_flags & XLOG_TIC_INITED))
+		return 0;
+
+	ophdr->oh_tid	= cpu_to_be32(ticket->t_tid);
+	ophdr->oh_clientid = ticket->t_clientid;
+	ophdr->oh_len = 0;
+	ophdr->oh_flags = XLOG_START_TRANS;
+	ophdr->oh_res2 = 0;
+
+	ticket->t_flags &= ~XLOG_TIC_INITED;
+
+	return sizeof(struct xlog_op_header);
+}
+
+static xlog_op_header_t *
+xlog_write_setup_ophdr(
+	struct log		*log,
+	__psint_t		ptr,
+	struct xlog_ticket	*ticket,
+	uint			flags)
+{
+	struct xlog_op_header	*ophdr = (struct xlog_op_header *)ptr;
+
+	ophdr->oh_tid = cpu_to_be32(ticket->t_tid);
+	ophdr->oh_clientid = ticket->t_clientid;
+	ophdr->oh_res2 = 0;
+
+	/* are we copying a commit or unmount record? */
+	ophdr->oh_flags = flags;
+
+	/*
+	 * We've seen logs corrupted with bad transaction client ids.  This
+	 * makes sure that XFS doesn't generate them on.  Turn this into an EIO
+	 * and shut down the filesystem.
+	 */
+	switch (ophdr->oh_clientid)  {
+	case XFS_TRANSACTION:
+	case XFS_VOLUME:
+	case XFS_LOG:
+		break;
+	default:
+		xfs_fs_cmn_err(CE_WARN, log->l_mp,
+			"Bad XFS transaction clientid 0x%x in ticket 0x%p",
+			ophdr->oh_clientid, ticket);
+		return NULL;
+	}
+
+	return ophdr;
+}
+
+/*
+ * Set up the parameters of the region copy into the log. This has
+ * to handle region write split across multiple log buffers - this
+ * state is kept external to this function so that this code can
+ * can be written in an obvious, self documenting manner.
+ */
+static int
+xlog_write_setup_copy(
+	struct xlog_ticket	*ticket,
+	struct xlog_op_header	*ophdr,
+	int			space_available,
+	int			space_required,
+	int			*copy_off,
+	int			*copy_len,
+	int			*last_was_partial_copy,
+	int			*bytes_consumed)
+{
+	int			still_to_copy;
+
+	still_to_copy = space_required - *bytes_consumed;
+	*copy_off = *bytes_consumed;
+
+	if (still_to_copy <= space_available) {
+		/* write of region completes here */
+		*copy_len = still_to_copy;
+		ophdr->oh_len = cpu_to_be32(*copy_len);
+		if (*last_was_partial_copy)
+			ophdr->oh_flags |= (XLOG_END_TRANS|XLOG_WAS_CONT_TRANS);
+		*last_was_partial_copy = 0;
+		*bytes_consumed = 0;
+		return 0;
+	}
+
+	/* partial write of region, needs extra log op header reservation */
+	*copy_len = space_available;
+	ophdr->oh_len = cpu_to_be32(*copy_len);
+	ophdr->oh_flags |= XLOG_CONTINUE_TRANS;
+	if (*last_was_partial_copy)
+		ophdr->oh_flags |= XLOG_WAS_CONT_TRANS;
+	*bytes_consumed += *copy_len;
+	(*last_was_partial_copy)++;
+
+	/* account for new log op header */
+	ticket->t_curr_res -= sizeof(struct xlog_op_header);
+	ticket->t_res_num_ophdrs++;
+
+	return sizeof(struct xlog_op_header);
+}
+
+static int
+xlog_write_copy_finish(
+	struct log		*log,
+	struct xlog_in_core	*iclog,
+	uint			flags,
+	int			*record_cnt,
+	int			*data_cnt,
+	int			*partial_copy,
+	int			*partial_copy_len,
+	int			log_offset,
+	struct xlog_in_core	**commit_iclog)
+{
+	if (*partial_copy) {
+		/*
+		 * This iclog has already been marked WANT_SYNC by
+		 * xlog_state_get_iclog_space.
+		 */
+		xlog_state_finish_copy(log, iclog, *record_cnt, *data_cnt);
+		*record_cnt = 0;
+		*data_cnt = 0;
+		return xlog_state_release_iclog(log, iclog);
+	}
+
+	*partial_copy = 0;
+	*partial_copy_len = 0;
+
+	if (iclog->ic_size - log_offset <= sizeof(xlog_op_header_t)) {
+		/* no more space in this iclog - push it. */
+		xlog_state_finish_copy(log, iclog, *record_cnt, *data_cnt);
+		*record_cnt = 0;
+		*data_cnt = 0;
+
+		spin_lock(&log->l_icloglock);
+		xlog_state_want_sync(log, iclog);
+		spin_unlock(&log->l_icloglock);
+
+		if (!commit_iclog)
+			return xlog_state_release_iclog(log, iclog);
+		ASSERT(flags & XLOG_COMMIT_TRANS);
+		*commit_iclog = iclog;
+	}
+
+	return 0;
+}
+
 /*
  * Write some region out to in-core log
  *
@@ -1689,7 +1876,6 @@ xlog_write(
     int		     start_rec_copy; /* # bytes to copy for start record */
     int		     partial_copy;   /* did we split a region? */
     int		     partial_copy_len;/* # bytes copied if split region */
-    int		     need_copy;	     /* # bytes need to memcpy this region */
     int		     copy_len;	     /* # bytes actually memcpy'ing */
     int		     copy_off;	     /* # bytes from entry start */
     int		     contwr;	     /* continued write of in-core log? */
@@ -1697,24 +1883,9 @@ xlog_write(
     int		     record_cnt = 0, data_cnt = 0;
 
     partial_copy_len = partial_copy = 0;
-
-    /* Calculate potential maximum space.  Each region gets its own
-     * xlog_op_header_t and may need to be double word aligned.
-     */
-    len = 0;
-    if (ticket->t_flags & XLOG_TIC_INITED) {    /* acct for start rec of xact */
-	len += sizeof(xlog_op_header_t);
-	ticket->t_res_num_ophdrs++;
-    }
-
-    for (index = 0; index < nentries; index++) {
-	len += sizeof(xlog_op_header_t);	    /* each region gets >= 1 */
-	ticket->t_res_num_ophdrs++;
-	len += reg[index].i_len;
-	xlog_tic_add_region(ticket, reg[index].i_len, reg[index].i_type);
-    }
     contwr = *start_lsn = 0;
 
+    len = xlog_write_calc_vec_length(ticket, reg, nentries);
     if (ticket->t_curr_res < len) {
 	xlog_print_tic_res(mp, ticket);
 #ifdef DEBUG
@@ -1748,81 +1919,23 @@ xlog_write(
 	while (index < nentries) {
 	    ASSERT(reg[index].i_len % sizeof(__int32_t) == 0);
 	    ASSERT((__psint_t)ptr % sizeof(__int32_t) == 0);
-	    start_rec_copy = 0;
 
-	    /* If first write for transaction, insert start record.
-	     * We can't be trying to commit if we are inited.  We can't
-	     * have any "partial_copy" if we are inited.
-	     */
-	    if (ticket->t_flags & XLOG_TIC_INITED) {
-		logop_head		= (xlog_op_header_t *)ptr;
-		logop_head->oh_tid	= cpu_to_be32(ticket->t_tid);
-		logop_head->oh_clientid = ticket->t_clientid;
-		logop_head->oh_len	= 0;
-		logop_head->oh_flags    = XLOG_START_TRANS;
-		logop_head->oh_res2	= 0;
-		ticket->t_flags		&= ~XLOG_TIC_INITED;	/* clear bit */
+	    start_rec_copy = xlog_write_start_rec(ptr, ticket);
+	    if (start_rec_copy) {
 		record_cnt++;
-
-		start_rec_copy = sizeof(xlog_op_header_t);
 		xlog_write_adv_cnt(ptr, len, log_offset, start_rec_copy);
 	    }
 
-	    /* Copy log operation header directly into data section */
-	    logop_head			= (xlog_op_header_t *)ptr;
-	    logop_head->oh_tid		= cpu_to_be32(ticket->t_tid);
-	    logop_head->oh_clientid	= ticket->t_clientid;
-	    logop_head->oh_res2		= 0;
-
-	    /* header copied directly */
+	    logop_head = xlog_write_setup_ophdr(log, ptr, ticket, flags);
+	    if (!logop_head)
+	    	return XFS_ERROR(EIO);
 	    xlog_write_adv_cnt(ptr, len, log_offset, sizeof(xlog_op_header_t));
 
-	    /* are we copying a commit or unmount record? */
-	    logop_head->oh_flags = flags;
-
-	    /*
-	     * We've seen logs corrupted with bad transaction client
-	     * ids.  This makes sure that XFS doesn't generate them on.
-	     * Turn this into an EIO and shut down the filesystem.
-	     */
-	    switch (logop_head->oh_clientid)  {
-	    case XFS_TRANSACTION:
-	    case XFS_VOLUME:
-	    case XFS_LOG:
-		break;
-	    default:
-		xfs_fs_cmn_err(CE_WARN, mp,
-		    "Bad XFS transaction clientid 0x%x in ticket 0x%p",
-		    logop_head->oh_clientid, ticket);
-		return XFS_ERROR(EIO);
-	    }
-
-	    /* Partial write last time? => (partial_copy != 0)
-	     * need_copy is the amount we'd like to copy if everything could
-	     * fit in the current memcpy.
-	     */
-	    need_copy =	reg[index].i_len - partial_copy_len;
-
-	    copy_off = partial_copy_len;
-	    if (need_copy <= iclog->ic_size - log_offset) { /*complete write */
-	        copy_len = need_copy;
-		logop_head->oh_len = cpu_to_be32(copy_len);
-		if (partial_copy)
-		    logop_head->oh_flags|= (XLOG_END_TRANS|XLOG_WAS_CONT_TRANS);
-		partial_copy_len = partial_copy = 0;
-	    } else {					    /* partial write */
-		copy_len = iclog->ic_size - log_offset;
-		logop_head->oh_len = cpu_to_be32(copy_len);
-		logop_head->oh_flags |= XLOG_CONTINUE_TRANS;
-		if (partial_copy)
-			logop_head->oh_flags |= XLOG_WAS_CONT_TRANS;
-		partial_copy_len += copy_len;
-		partial_copy++;
-		len += sizeof(xlog_op_header_t); /* from splitting of region */
-		/* account for new log op header */
-		ticket->t_curr_res -= sizeof(xlog_op_header_t);
-		ticket->t_res_num_ophdrs++;
-	    }
+	    len += xlog_write_setup_copy(ticket, logop_head,
+	    				 iclog->ic_size - log_offset,
+					 reg[index].i_len, &copy_off,
+					 &copy_len, &partial_copy,
+					 &partial_copy_len);
 	    xlog_verify_dest_ptr(log, ptr);
 
 	    /* copy region */
@@ -1834,34 +1947,34 @@ xlog_write(
 	    copy_len += start_rec_copy + sizeof(xlog_op_header_t);
 	    record_cnt++;
 	    data_cnt += contwr ? copy_len : 0;
-	    if (partial_copy) {			/* copied partial region */
-		    /* already marked WANT_SYNC by xlog_state_get_iclog_space */
-		    xlog_state_finish_copy(log, iclog, record_cnt, data_cnt);
-		    record_cnt = data_cnt = 0;
-		    if ((error = xlog_state_release_iclog(log, iclog)))
-			    return error;
-		    break;			/* don't increment index */
-	    } else {				/* copied entire region */
-		index++;
-		partial_copy_len = partial_copy = 0;
 
-		if (iclog->ic_size - log_offset <= sizeof(xlog_op_header_t)) {
-		    xlog_state_finish_copy(log, iclog, record_cnt, data_cnt);
-		    record_cnt = data_cnt = 0;
-		    spin_lock(&log->l_icloglock);
-		    xlog_state_want_sync(log, iclog);
-		    spin_unlock(&log->l_icloglock);
-		    if (commit_iclog) {
-			ASSERT(flags & XLOG_COMMIT_TRANS);
-			*commit_iclog = iclog;
-		    } else if ((error = xlog_state_release_iclog(log, iclog)))
-			   return error;
-		    if (index == nentries)
-			    return 0;		/* we are done */
-		    else
-			    break;
-		}
-	    } /* if (partial_copy) */
+	    error = xlog_write_copy_finish(log, iclog, flags,
+	    				   &record_cnt, &data_cnt,
+					   &partial_copy, &partial_copy_len,
+					   log_offset, commit_iclog);
+	    if (error)
+	    	return error;
+
+	    /*
+	     * if we had a partial copy, we need to get more iclog
+	     * space but we don't want to increment the region
+	     * index because there is still more is this region to write.
+	     *
+	     * If we completed writing this region, and we flushed
+	     * the iclog (indicated by resetting of the record
+	     * count), then we also need to get more log space. If
+	     * this was the last record, though, we are done and
+	     * can just return.
+	     */
+	    if (partial_copy)
+	    	break;
+
+	    index++;
+	    if (record_cnt == 0) {
+		if (index == nentries)
+		    return 0;
+		break;
+	    }
 	} /* while (index < nentries) */
     } /* for (index = 0; index < nentries; ) */
     ASSERT(len == 0);

From 99428ad0f665a5d5b245ab36cefb6b231d977e73 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 23 Mar 2010 11:35:45 +1100
Subject: [PATCH 2187/3638] xfs: reindent xlog_write

Reindent xlog_write to normal one tab indents and move all variable
declarations into the closest enclosing block.

Split from a bigger patch by Dave Chinner.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_log.c | 212 +++++++++++++++++++++++++----------------------
 1 file changed, 113 insertions(+), 99 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 4a0ec592564..8c856d24538 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1866,127 +1866,141 @@ xlog_write(
 	struct xlog_in_core	**commit_iclog,
 	uint			flags)
 {
-    xlog_t	     *log = mp->m_log;
-    xlog_in_core_t   *iclog = NULL;  /* ptr to current in-core log */
-    xlog_op_header_t *logop_head;    /* ptr to log operation header */
-    __psint_t	     ptr;	     /* copy address into data region */
-    int		     len;	     /* # xlog_write() bytes 2 still copy */
-    int		     index;	     /* region index currently copying */
-    int		     log_offset;     /* offset (from 0) into data region */
-    int		     start_rec_copy; /* # bytes to copy for start record */
-    int		     partial_copy;   /* did we split a region? */
-    int		     partial_copy_len;/* # bytes copied if split region */
-    int		     copy_len;	     /* # bytes actually memcpy'ing */
-    int		     copy_off;	     /* # bytes from entry start */
-    int		     contwr;	     /* continued write of in-core log? */
-    int		     error;
-    int		     record_cnt = 0, data_cnt = 0;
+	struct log		*log = mp->m_log;
+	struct xlog_in_core	*iclog = NULL;
+	int			len;
+	int			index;
+	int			partial_copy = 0;
+	int			partial_copy_len = 0;
+	int			contwr = 0;
+	int			record_cnt = 0;
+	int			data_cnt = 0;
+	int			error;
 
-    partial_copy_len = partial_copy = 0;
-    contwr = *start_lsn = 0;
+	*start_lsn = 0;
 
-    len = xlog_write_calc_vec_length(ticket, reg, nentries);
-    if (ticket->t_curr_res < len) {
-	xlog_print_tic_res(mp, ticket);
+	len = xlog_write_calc_vec_length(ticket, reg, nentries);
+	if (ticket->t_curr_res < len) {
+		xlog_print_tic_res(mp, ticket);
 #ifdef DEBUG
-	xlog_panic(
-		"xfs_log_write: reservation ran out. Need to up reservation");
+		xlog_panic(
+	"xfs_log_write: reservation ran out. Need to up reservation");
 #else
-	/* Customer configurable panic */
-	xfs_cmn_err(XFS_PTAG_LOGRES, CE_ALERT, mp,
-		"xfs_log_write: reservation ran out. Need to up reservation");
-	/* If we did not panic, shutdown the filesystem */
-	xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+		/* Customer configurable panic */
+		xfs_cmn_err(XFS_PTAG_LOGRES, CE_ALERT, mp,
+	"xfs_log_write: reservation ran out. Need to up reservation");
+
+		/* If we did not panic, shutdown the filesystem */
+		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
 #endif
-    } else
+	}
+
 	ticket->t_curr_res -= len;
 
-    for (index = 0; index < nentries; ) {
-	if ((error = xlog_state_get_iclog_space(log, len, &iclog, ticket,
-					       &contwr, &log_offset)))
-		return error;
+	for (index = 0; index < nentries; ) {
+		__psint_t	ptr;
+		int		log_offset;
 
-	ASSERT(log_offset <= iclog->ic_size - 1);
-	ptr = (__psint_t) ((char *)iclog->ic_datap+log_offset);
+		error = xlog_state_get_iclog_space(log, len, &iclog, ticket,
+						   &contwr, &log_offset);
+		if (error)
+			return error;
 
-	/* start_lsn is the first lsn written to. That's all we need. */
-	if (! *start_lsn)
-	    *start_lsn = be64_to_cpu(iclog->ic_header.h_lsn);
+		ASSERT(log_offset <= iclog->ic_size - 1);
+		ptr = (__psint_t)((char *)iclog->ic_datap + log_offset);
 
-	/* This loop writes out as many regions as can fit in the amount
-	 * of space which was allocated by xlog_state_get_iclog_space().
-	 */
-	while (index < nentries) {
-	    ASSERT(reg[index].i_len % sizeof(__int32_t) == 0);
-	    ASSERT((__psint_t)ptr % sizeof(__int32_t) == 0);
+		/* start_lsn is the first lsn written to. That's all we need. */
+		if (!*start_lsn)
+			*start_lsn = be64_to_cpu(iclog->ic_header.h_lsn);
 
-	    start_rec_copy = xlog_write_start_rec(ptr, ticket);
-	    if (start_rec_copy) {
-		record_cnt++;
-		xlog_write_adv_cnt(ptr, len, log_offset, start_rec_copy);
-	    }
+		/*
+		 * This loop writes out as many regions as can fit in the amount
+		 * of space which was allocated by xlog_state_get_iclog_space().
+		 */
+		while (index < nentries) {
+			struct xlog_op_header	*ophdr;
+			int			start_rec_copy;
+			int			copy_len;
+			int			copy_off;
 
-	    logop_head = xlog_write_setup_ophdr(log, ptr, ticket, flags);
-	    if (!logop_head)
-	    	return XFS_ERROR(EIO);
-	    xlog_write_adv_cnt(ptr, len, log_offset, sizeof(xlog_op_header_t));
+			ASSERT(reg[index].i_len % sizeof(__int32_t) == 0);
+			ASSERT((__psint_t)ptr % sizeof(__int32_t) == 0);
 
-	    len += xlog_write_setup_copy(ticket, logop_head,
-	    				 iclog->ic_size - log_offset,
-					 reg[index].i_len, &copy_off,
-					 &copy_len, &partial_copy,
-					 &partial_copy_len);
-	    xlog_verify_dest_ptr(log, ptr);
+			start_rec_copy = xlog_write_start_rec(ptr, ticket);
+			if (start_rec_copy) {
+				record_cnt++;
+				xlog_write_adv_cnt(ptr, len, log_offset,
+						   start_rec_copy);
+			}
 
-	    /* copy region */
-	    ASSERT(copy_len >= 0);
-	    memcpy((xfs_caddr_t)ptr, reg[index].i_addr + copy_off, copy_len);
-	    xlog_write_adv_cnt(ptr, len, log_offset, copy_len);
+			ophdr = xlog_write_setup_ophdr(log, ptr, ticket, flags);
+			if (!ophdr)
+				return XFS_ERROR(EIO);
 
-	    /* make copy_len total bytes copied, including headers */
-	    copy_len += start_rec_copy + sizeof(xlog_op_header_t);
-	    record_cnt++;
-	    data_cnt += contwr ? copy_len : 0;
+			xlog_write_adv_cnt(ptr, len, log_offset,
+					   sizeof(struct xlog_op_header));
 
-	    error = xlog_write_copy_finish(log, iclog, flags,
-	    				   &record_cnt, &data_cnt,
-					   &partial_copy, &partial_copy_len,
-					   log_offset, commit_iclog);
-	    if (error)
-	    	return error;
+			len += xlog_write_setup_copy(ticket, ophdr,
+						     iclog->ic_size-log_offset,
+						     reg[index].i_len,
+						     &copy_off, &copy_len,
+						     &partial_copy,
+						     &partial_copy_len);
+			xlog_verify_dest_ptr(log, ptr);
 
-	    /*
-	     * if we had a partial copy, we need to get more iclog
-	     * space but we don't want to increment the region
-	     * index because there is still more is this region to write.
-	     *
-	     * If we completed writing this region, and we flushed
-	     * the iclog (indicated by resetting of the record
-	     * count), then we also need to get more log space. If
-	     * this was the last record, though, we are done and
-	     * can just return.
-	     */
-	    if (partial_copy)
-	    	break;
+			/* copy region */
+			ASSERT(copy_len >= 0);
+			memcpy((xfs_caddr_t)ptr, reg[index].i_addr + copy_off,
+			       copy_len);
+			xlog_write_adv_cnt(ptr, len, log_offset, copy_len);
 
-	    index++;
-	    if (record_cnt == 0) {
-		if (index == nentries)
-		    return 0;
-		break;
-	    }
-	} /* while (index < nentries) */
-    } /* for (index = 0; index < nentries; ) */
-    ASSERT(len == 0);
+			copy_len += start_rec_copy + sizeof(xlog_op_header_t);
+			record_cnt++;
+			data_cnt += contwr ? copy_len : 0;
+
+			error = xlog_write_copy_finish(log, iclog, flags,
+						       &record_cnt, &data_cnt,
+						       &partial_copy,
+						       &partial_copy_len,
+						       log_offset,
+						       commit_iclog);
+			if (error)
+				return error;
+
+			/*
+			 * if we had a partial copy, we need to get more iclog
+			 * space but we don't want to increment the region
+			 * index because there is still more is this region to
+			 * write.
+			 *
+			 * If we completed writing this region, and we flushed
+			 * the iclog (indicated by resetting of the record
+			 * count), then we also need to get more log space. If
+			 * this was the last record, though, we are done and
+			 * can just return.
+			 */
+			if (partial_copy)
+				break;
+
+			index++;
+			if (record_cnt == 0) {
+				if (index == nentries)
+					return 0;
+				break;
+			}
+		}
+	}
+
+	ASSERT(len == 0);
+
+	xlog_state_finish_copy(log, iclog, record_cnt, data_cnt);
+	if (!commit_iclog)
+		return xlog_state_release_iclog(log, iclog);
 
-    xlog_state_finish_copy(log, iclog, record_cnt, data_cnt);
-    if (commit_iclog) {
 	ASSERT(flags & XLOG_COMMIT_TRANS);
 	*commit_iclog = iclog;
 	return 0;
-    }
-    return xlog_state_release_iclog(log, iclog);
-}	/* xlog_write */
+}
 
 
 /*****************************************************************************

From 55b66332d0921146a914d5d75a7b870a65dc4938 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 23 Mar 2010 11:43:17 +1100
Subject: [PATCH 2188/3638] xfs: introduce new internal log vector structure

The current log IO vector structure is a flat array and not
extensible. To make it possible to keep separate log IO vectors for
individual log items, we need a method of chaining log IO vectors
together.

Introduce a new log vector type that can be used to wrap the
existing log IO vectors on use that internally to the log. This
means that the existing external interface (xfs_log_write) does not
change and hence no changes to the transaction commit code are
required.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_log.c | 143 ++++++++++++++++++++++++++++-------------------
 fs/xfs/xfs_log.h |   6 ++
 2 files changed, 90 insertions(+), 59 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 8c856d24538..2e6f3b82e4b 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -50,7 +50,7 @@ kmem_zone_t	*xfs_log_ticket_zone;
 	  (off) += (bytes);}
 
 /* Local miscellaneous function prototypes */
-STATIC int	 xlog_commit_record(xfs_mount_t *mp, xlog_ticket_t *ticket,
+STATIC int	 xlog_commit_record(struct log *log, struct xlog_ticket *ticket,
 				    xlog_in_core_t **, xfs_lsn_t *);
 STATIC xlog_t *  xlog_alloc_log(xfs_mount_t	*mp,
 				xfs_buftarg_t	*log_target,
@@ -59,11 +59,9 @@ STATIC xlog_t *  xlog_alloc_log(xfs_mount_t	*mp,
 STATIC int	 xlog_space_left(xlog_t *log, int cycle, int bytes);
 STATIC int	 xlog_sync(xlog_t *log, xlog_in_core_t *iclog);
 STATIC void	 xlog_dealloc_log(xlog_t *log);
-STATIC int	 xlog_write(xfs_mount_t *mp, xfs_log_iovec_t region[],
-			    int nentries, struct xlog_ticket *tic,
-			    xfs_lsn_t *start_lsn,
-			    xlog_in_core_t **commit_iclog,
-			    uint flags);
+STATIC int	 xlog_write(struct log *log, struct xfs_log_vec *log_vector,
+			    struct xlog_ticket *tic, xfs_lsn_t *start_lsn,
+			    xlog_in_core_t **commit_iclog, uint flags);
 
 /* local state machine functions */
 STATIC void xlog_state_done_syncing(xlog_in_core_t *iclog, int);
@@ -258,7 +256,7 @@ xfs_log_done(
 	     * If we get an error, just continue and give back the log ticket.
 	     */
 	    (((ticket->t_flags & XLOG_TIC_INITED) == 0) &&
-	     (xlog_commit_record(mp, ticket, iclog, &lsn)))) {
+	     (xlog_commit_record(log, ticket, iclog, &lsn)))) {
 		lsn = (xfs_lsn_t) -1;
 		if (ticket->t_flags & XLOG_TIC_PERM_RESERV) {
 			flags |= XFS_LOG_REL_PERM_RESERV;
@@ -516,18 +514,10 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 #ifdef DEBUG
 	xlog_in_core_t	 *first_iclog;
 #endif
-	xfs_log_iovec_t  reg[1];
 	xlog_ticket_t	*tic = NULL;
 	xfs_lsn_t	 lsn;
 	int		 error;
 
-	/* the data section must be 32 bit size aligned */
-	struct {
-	    __uint16_t magic;
-	    __uint16_t pad1;
-	    __uint32_t pad2; /* may as well make it 64 bits */
-	} magic = { XLOG_UNMOUNT_TYPE, 0, 0 };
-
 	/*
 	 * Don't write out unmount record on read-only mounts.
 	 * Or, if we are doing a forced umount (typically because of IO errors).
@@ -549,16 +539,30 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 	} while (iclog != first_iclog);
 #endif
 	if (! (XLOG_FORCED_SHUTDOWN(log))) {
-		reg[0].i_addr = (void*)&magic;
-		reg[0].i_len  = sizeof(magic);
-		reg[0].i_type = XLOG_REG_TYPE_UNMOUNT;
-
 		error = xfs_log_reserve(mp, 600, 1, &tic,
 					XFS_LOG, 0, XLOG_UNMOUNT_REC_TYPE);
 		if (!error) {
+			/* the data section must be 32 bit size aligned */
+			struct {
+			    __uint16_t magic;
+			    __uint16_t pad1;
+			    __uint32_t pad2; /* may as well make it 64 bits */
+			} magic = {
+				.magic = XLOG_UNMOUNT_TYPE,
+			};
+			struct xfs_log_iovec reg = {
+				.i_addr = (void *)&magic,
+				.i_len = sizeof(magic),
+				.i_type = XLOG_REG_TYPE_UNMOUNT,
+			};
+			struct xfs_log_vec vec = {
+				.lv_niovecs = 1,
+				.lv_iovecp = &reg,
+			};
+
 			/* remove inited flag */
-			((xlog_ticket_t *)tic)->t_flags = 0;
-			error = xlog_write(mp, reg, 1, tic, &lsn,
+			tic->t_flags = 0;
+			error = xlog_write(log, &vec, tic, &lsn,
 					   NULL, XLOG_UNMOUNT_TRANS);
 			/*
 			 * At this point, we're umounting anyway,
@@ -679,11 +683,15 @@ xfs_log_write(
 {
 	struct log		*log = mp->m_log;
 	int			error;
+	struct xfs_log_vec	vec = {
+		.lv_niovecs = nentries,
+		.lv_iovecp = reg,
+	};
 
 	if (XLOG_FORCED_SHUTDOWN(log))
 		return XFS_ERROR(EIO);
 
-	error = xlog_write(mp, reg, nentries, tic, start_lsn, NULL, 0);
+	error = xlog_write(log, &vec, tic, start_lsn, NULL, 0);
 	if (error)
 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
 	return error;
@@ -1190,26 +1198,31 @@ out:
  * ticket.  Return the lsn of the commit record.
  */
 STATIC int
-xlog_commit_record(xfs_mount_t  *mp,
-		   xlog_ticket_t *ticket,
-		   xlog_in_core_t **iclog,
-		   xfs_lsn_t	*commitlsnp)
+xlog_commit_record(
+	struct log		*log,
+	struct xlog_ticket	*ticket,
+	struct xlog_in_core	**iclog,
+	xfs_lsn_t		*commitlsnp)
 {
-	int		error;
-	xfs_log_iovec_t	reg[1];
-
-	reg[0].i_addr = NULL;
-	reg[0].i_len = 0;
-	reg[0].i_type = XLOG_REG_TYPE_COMMIT;
+	struct xfs_mount *mp = log->l_mp;
+	int	error;
+	struct xfs_log_iovec reg = {
+		.i_addr = NULL,
+		.i_len = 0,
+		.i_type = XLOG_REG_TYPE_COMMIT,
+	};
+	struct xfs_log_vec vec = {
+		.lv_niovecs = 1,
+		.lv_iovecp = &reg,
+	};
 
 	ASSERT_ALWAYS(iclog);
-	if ((error = xlog_write(mp, reg, 1, ticket, commitlsnp,
-			       iclog, XLOG_COMMIT_TRANS))) {
+	error = xlog_write(log, &vec, ticket, commitlsnp, iclog,
+					XLOG_COMMIT_TRANS);
+	if (error)
 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
-	}
 	return error;
-}	/* xlog_commit_record */
-
+}
 
 /*
  * Push on the buffer cache code if we ever use more than 75% of the on-disk
@@ -1636,9 +1649,9 @@ xlog_print_tic_res(xfs_mount_t *mp, xlog_ticket_t *ticket)
 static int
 xlog_write_calc_vec_length(
 	struct xlog_ticket	*ticket,
-	struct xfs_log_iovec	reg[],
-	int			nentries)
+	struct xfs_log_vec	*log_vector)
 {
+	struct xfs_log_vec	*lv;
 	int			headers = 0;
 	int			len = 0;
 	int			i;
@@ -1647,12 +1660,15 @@ xlog_write_calc_vec_length(
 	if (ticket->t_flags & XLOG_TIC_INITED)
 		headers++;
 
-	for (i = 0; i < nentries; i++) {
-		/* each region gets >= 1 */
-		headers++;
+	for (lv = log_vector; lv; lv = lv->lv_next) {
+		headers += lv->lv_niovecs;
 
-		len += reg[i].i_len;
-		xlog_tic_add_region(ticket, reg[i].i_len, reg[i].i_type);
+		for (i = 0; i < lv->lv_niovecs; i++) {
+			struct xfs_log_iovec	*vecp = &lv->lv_iovecp[i];
+
+			len += vecp->i_len;
+			xlog_tic_add_region(ticket, vecp->i_len, vecp->i_type);
+		}
 	}
 
 	ticket->t_res_num_ophdrs += headers;
@@ -1858,16 +1874,16 @@ xlog_write_copy_finish(
  */
 STATIC int
 xlog_write(
-	struct xfs_mount	*mp,
-	struct xfs_log_iovec	reg[],
-	int			nentries,
+	struct log		*log,
+	struct xfs_log_vec	*log_vector,
 	struct xlog_ticket	*ticket,
 	xfs_lsn_t		*start_lsn,
 	struct xlog_in_core	**commit_iclog,
 	uint			flags)
 {
-	struct log		*log = mp->m_log;
 	struct xlog_in_core	*iclog = NULL;
+	struct xfs_log_iovec	*vecp;
+	struct xfs_log_vec	*lv;
 	int			len;
 	int			index;
 	int			partial_copy = 0;
@@ -1879,25 +1895,28 @@ xlog_write(
 
 	*start_lsn = 0;
 
-	len = xlog_write_calc_vec_length(ticket, reg, nentries);
+	len = xlog_write_calc_vec_length(ticket, log_vector);
 	if (ticket->t_curr_res < len) {
-		xlog_print_tic_res(mp, ticket);
+		xlog_print_tic_res(log->l_mp, ticket);
 #ifdef DEBUG
 		xlog_panic(
 	"xfs_log_write: reservation ran out. Need to up reservation");
 #else
 		/* Customer configurable panic */
-		xfs_cmn_err(XFS_PTAG_LOGRES, CE_ALERT, mp,
+		xfs_cmn_err(XFS_PTAG_LOGRES, CE_ALERT, log->l_mp,
 	"xfs_log_write: reservation ran out. Need to up reservation");
 
 		/* If we did not panic, shutdown the filesystem */
-		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+		xfs_force_shutdown(log->l_mp, SHUTDOWN_CORRUPT_INCORE);
 #endif
 	}
 
 	ticket->t_curr_res -= len;
 
-	for (index = 0; index < nentries; ) {
+	index = 0;
+	lv = log_vector;
+	vecp = lv->lv_iovecp;
+	while (lv && index < lv->lv_niovecs) {
 		__psint_t	ptr;
 		int		log_offset;
 
@@ -1917,13 +1936,14 @@ xlog_write(
 		 * This loop writes out as many regions as can fit in the amount
 		 * of space which was allocated by xlog_state_get_iclog_space().
 		 */
-		while (index < nentries) {
+		while (lv && index < lv->lv_niovecs) {
+			struct xfs_log_iovec	*reg = &vecp[index];
 			struct xlog_op_header	*ophdr;
 			int			start_rec_copy;
 			int			copy_len;
 			int			copy_off;
 
-			ASSERT(reg[index].i_len % sizeof(__int32_t) == 0);
+			ASSERT(reg->i_len % sizeof(__int32_t) == 0);
 			ASSERT((__psint_t)ptr % sizeof(__int32_t) == 0);
 
 			start_rec_copy = xlog_write_start_rec(ptr, ticket);
@@ -1942,7 +1962,7 @@ xlog_write(
 
 			len += xlog_write_setup_copy(ticket, ophdr,
 						     iclog->ic_size-log_offset,
-						     reg[index].i_len,
+						     reg->i_len,
 						     &copy_off, &copy_len,
 						     &partial_copy,
 						     &partial_copy_len);
@@ -1950,7 +1970,7 @@ xlog_write(
 
 			/* copy region */
 			ASSERT(copy_len >= 0);
-			memcpy((xfs_caddr_t)ptr, reg[index].i_addr + copy_off,
+			memcpy((xfs_caddr_t)ptr, reg->i_addr + copy_off,
 			       copy_len);
 			xlog_write_adv_cnt(ptr, len, log_offset, copy_len);
 
@@ -1982,9 +2002,14 @@ xlog_write(
 			if (partial_copy)
 				break;
 
-			index++;
+			if (++index == lv->lv_niovecs) {
+				lv = lv->lv_next;
+				index = 0;
+				if (lv)
+					vecp = lv->lv_iovecp;
+			}
 			if (record_cnt == 0) {
-				if (index == nentries)
+				if (!lv)
 					return 0;
 				break;
 			}
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index f3a564d298d..229d1f36ba9 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -110,6 +110,12 @@ typedef struct xfs_log_iovec {
 	uint		i_type;		/* type of region */
 } xfs_log_iovec_t;
 
+struct xfs_log_vec {
+	struct xfs_log_vec	*lv_next;	/* next lv in build list */
+	int			lv_niovecs;	/* number of iovecs in lv */
+	struct xfs_log_iovec	*lv_iovecp;	/* iovec array */
+};
+
 /*
  * Structure used to pass callback function and the function's argument
  * to the log manager.

From e6b1f27370fc67ac9868b2dbe2c22bc26952900e Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 23 Mar 2010 11:47:38 +1100
Subject: [PATCH 2189/3638] xfs: clean up xlog_write_adv_cnt

Replace the awkward xlog_write_adv_cnt with an inline helper that makes
it more obvious that it's modifying it's paramters, and replace the use
of an integer type for "ptr" with a real void pointer.  Also move
xlog_write_adv_cnt to xfs_log_priv.h as it will be used outside of
xfs_log.c in the delayed logging series.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_log.c      | 46 ++++++++++++++++++-------------------------
 fs/xfs/xfs_log_priv.h |  8 ++++++++
 2 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 2e6f3b82e4b..9edbd67b5a9 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -44,11 +44,6 @@
 
 kmem_zone_t	*xfs_log_ticket_zone;
 
-#define xlog_write_adv_cnt(ptr, len, off, bytes) \
-	{ (ptr) += (bytes); \
-	  (len) -= (bytes); \
-	  (off) += (bytes);}
-
 /* Local miscellaneous function prototypes */
 STATIC int	 xlog_commit_record(struct log *log, struct xlog_ticket *ticket,
 				    xlog_in_core_t **, xfs_lsn_t *);
@@ -100,7 +95,7 @@ STATIC xlog_ticket_t	*xlog_ticket_alloc(xlog_t *log,
 					 uint	flags);
 
 #if defined(DEBUG)
-STATIC void	xlog_verify_dest_ptr(xlog_t *log, __psint_t ptr);
+STATIC void	xlog_verify_dest_ptr(xlog_t *log, char *ptr);
 STATIC void	xlog_verify_grant_head(xlog_t *log, int equals);
 STATIC void	xlog_verify_iclog(xlog_t *log, xlog_in_core_t *iclog,
 				  int count, boolean_t syncing);
@@ -1683,11 +1678,9 @@ xlog_write_calc_vec_length(
  */
 static int
 xlog_write_start_rec(
-	__psint_t		ptr,
+	struct xlog_op_header	*ophdr,
 	struct xlog_ticket	*ticket)
 {
-	struct xlog_op_header	*ophdr = (struct xlog_op_header *)ptr;
-
 	if (!(ticket->t_flags & XLOG_TIC_INITED))
 		return 0;
 
@@ -1705,12 +1698,10 @@ xlog_write_start_rec(
 static xlog_op_header_t *
 xlog_write_setup_ophdr(
 	struct log		*log,
-	__psint_t		ptr,
+	struct xlog_op_header	*ophdr,
 	struct xlog_ticket	*ticket,
 	uint			flags)
 {
-	struct xlog_op_header	*ophdr = (struct xlog_op_header *)ptr;
-
 	ophdr->oh_tid = cpu_to_be32(ticket->t_tid);
 	ophdr->oh_clientid = ticket->t_clientid;
 	ophdr->oh_res2 = 0;
@@ -1917,7 +1908,7 @@ xlog_write(
 	lv = log_vector;
 	vecp = lv->lv_iovecp;
 	while (lv && index < lv->lv_niovecs) {
-		__psint_t	ptr;
+		void		*ptr;
 		int		log_offset;
 
 		error = xlog_state_get_iclog_space(log, len, &iclog, ticket,
@@ -1926,7 +1917,7 @@ xlog_write(
 			return error;
 
 		ASSERT(log_offset <= iclog->ic_size - 1);
-		ptr = (__psint_t)((char *)iclog->ic_datap + log_offset);
+		ptr = iclog->ic_datap + log_offset;
 
 		/* start_lsn is the first lsn written to. That's all we need. */
 		if (!*start_lsn)
@@ -1944,12 +1935,12 @@ xlog_write(
 			int			copy_off;
 
 			ASSERT(reg->i_len % sizeof(__int32_t) == 0);
-			ASSERT((__psint_t)ptr % sizeof(__int32_t) == 0);
+			ASSERT((unsigned long)ptr % sizeof(__int32_t) == 0);
 
 			start_rec_copy = xlog_write_start_rec(ptr, ticket);
 			if (start_rec_copy) {
 				record_cnt++;
-				xlog_write_adv_cnt(ptr, len, log_offset,
+				xlog_write_adv_cnt(&ptr, &len, &log_offset,
 						   start_rec_copy);
 			}
 
@@ -1957,7 +1948,7 @@ xlog_write(
 			if (!ophdr)
 				return XFS_ERROR(EIO);
 
-			xlog_write_adv_cnt(ptr, len, log_offset,
+			xlog_write_adv_cnt(&ptr, &len, &log_offset,
 					   sizeof(struct xlog_op_header));
 
 			len += xlog_write_setup_copy(ticket, ophdr,
@@ -1970,9 +1961,8 @@ xlog_write(
 
 			/* copy region */
 			ASSERT(copy_len >= 0);
-			memcpy((xfs_caddr_t)ptr, reg->i_addr + copy_off,
-			       copy_len);
-			xlog_write_adv_cnt(ptr, len, log_offset, copy_len);
+			memcpy(ptr, reg->i_addr + copy_off, copy_len);
+			xlog_write_adv_cnt(&ptr, &len, &log_offset, copy_len);
 
 			copy_len += start_rec_copy + sizeof(xlog_op_header_t);
 			record_cnt++;
@@ -3454,20 +3444,22 @@ xlog_ticket_alloc(
  * part of the log in case we trash the log structure.
  */
 void
-xlog_verify_dest_ptr(xlog_t     *log,
-		     __psint_t  ptr)
+xlog_verify_dest_ptr(
+	struct log	*log,
+	char		*ptr)
 {
 	int i;
 	int good_ptr = 0;
 
-	for (i=0; i < log->l_iclog_bufs; i++) {
-		if (ptr >= (__psint_t)log->l_iclog_bak[i] &&
-		    ptr <= (__psint_t)log->l_iclog_bak[i]+log->l_iclog_size)
+	for (i = 0; i < log->l_iclog_bufs; i++) {
+		if (ptr >= log->l_iclog_bak[i] &&
+		    ptr <= log->l_iclog_bak[i] + log->l_iclog_size)
 			good_ptr++;
 	}
-	if (! good_ptr)
+
+	if (!good_ptr)
 		xlog_panic("xlog_verify_dest_ptr: invalid ptr");
-}	/* xlog_verify_dest_ptr */
+}
 
 STATIC void
 xlog_verify_grant_head(xlog_t *log, int equals)
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index fd02a18facd..2f2b5ca2a00 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -449,6 +449,14 @@ extern void	 xlog_pack_data(xlog_t *log, xlog_in_core_t *iclog, int);
 
 extern kmem_zone_t	*xfs_log_ticket_zone;
 
+static inline void
+xlog_write_adv_cnt(void **ptr, int *len, int *off, size_t bytes)
+{
+	*ptr += bytes;
+	*len -= bytes;
+	*off += bytes;
+}
+
 /*
  * Unmount record type is used as a pseudo transaction type for the ticket.
  * It's value must be outside the range of XFS_TRANS_* values.

From 9abbc539bf7f299819ad0a235064a1b643ab6407 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 13 Apr 2010 15:06:46 +1000
Subject: [PATCH 2190/3638] xfs: add log item recovery tracing

Currently there is no tracing in log recovery, so it is difficult to
determine what is going on when something goes wrong.

Add tracing for log item recovery to provide visibility into the log
recovery process. The tracing added shows regions being extracted
from the log transactions and added to the transaction hash forming
recovery items, followed by the reordering, cancelling and finally
recovery of the items.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/linux-2.6/xfs_trace.c |   3 +
 fs/xfs/linux-2.6/xfs_trace.h | 138 +++++++++++++++++++++++++++++++++++
 fs/xfs/xfs_buf_item.h        |   2 +-
 fs/xfs/xfs_log_recover.c     |  44 +++++++++--
 fs/xfs/xfs_trans.h           |   9 +++
 5 files changed, 187 insertions(+), 9 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_trace.c b/fs/xfs/linux-2.6/xfs_trace.c
index 5a107601e96..2a460581308 100644
--- a/fs/xfs/linux-2.6/xfs_trace.c
+++ b/fs/xfs/linux-2.6/xfs_trace.c
@@ -50,6 +50,9 @@
 #include "xfs_aops.h"
 #include "quota/xfs_dquot_item.h"
 #include "quota/xfs_dquot.h"
+#include "xfs_log_recover.h"
+#include "xfs_buf_item.h"
+#include "xfs_inode_item.h"
 
 /*
  * We include this last to have the helpers above available for the trace
diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
index 65371859c75..33f7d2b7afe 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/linux-2.6/xfs_trace.h
@@ -32,6 +32,10 @@ struct xfs_da_node_entry;
 struct xfs_dquot;
 struct xlog_ticket;
 struct log;
+struct xlog_recover;
+struct xlog_recover_item;
+struct xfs_buf_log_format;
+struct xfs_inode_log_format;
 
 DECLARE_EVENT_CLASS(xfs_attr_list_class,
 	TP_PROTO(struct xfs_attr_list_context *ctx),
@@ -1502,6 +1506,140 @@ DEFINE_EVENT(xfs_swap_extent_class, name, \
 DEFINE_SWAPEXT_EVENT(xfs_swap_extent_before);
 DEFINE_SWAPEXT_EVENT(xfs_swap_extent_after);
 
+DECLARE_EVENT_CLASS(xfs_log_recover_item_class,
+	TP_PROTO(struct log *log, struct xlog_recover *trans,
+		struct xlog_recover_item *item, int pass),
+	TP_ARGS(log, trans, item, pass),
+	TP_STRUCT__entry(
+		__field(dev_t, dev)
+		__field(unsigned long, item)
+		__field(xlog_tid_t, tid)
+		__field(int, type)
+		__field(int, pass)
+		__field(int, count)
+		__field(int, total)
+	),
+	TP_fast_assign(
+		__entry->dev = log->l_mp->m_super->s_dev;
+		__entry->item = (unsigned long)item;
+		__entry->tid = trans->r_log_tid;
+		__entry->type = ITEM_TYPE(item);
+		__entry->pass = pass;
+		__entry->count = item->ri_cnt;
+		__entry->total = item->ri_total;
+	),
+	TP_printk("dev %d:%d trans 0x%x, pass %d, item 0x%p, item type %s "
+		  "item region count/total %d/%d",
+		  MAJOR(__entry->dev), MINOR(__entry->dev),
+		  __entry->tid,
+		  __entry->pass,
+		  (void *)__entry->item,
+		  __print_symbolic(__entry->type, XFS_LI_TYPE_DESC),
+		  __entry->count,
+		  __entry->total)
+)
+
+#define DEFINE_LOG_RECOVER_ITEM(name) \
+DEFINE_EVENT(xfs_log_recover_item_class, name, \
+	TP_PROTO(struct log *log, struct xlog_recover *trans, \
+		struct xlog_recover_item *item, int pass), \
+	TP_ARGS(log, trans, item, pass))
+
+DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_add);
+DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_add_cont);
+DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_reorder_head);
+DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_reorder_tail);
+DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_recover);
+
+DECLARE_EVENT_CLASS(xfs_log_recover_buf_item_class,
+	TP_PROTO(struct log *log, struct xfs_buf_log_format *buf_f),
+	TP_ARGS(log, buf_f),
+	TP_STRUCT__entry(
+		__field(dev_t, dev)
+		__field(__int64_t, blkno)
+		__field(unsigned short, len)
+		__field(unsigned short, flags)
+		__field(unsigned short, size)
+		__field(unsigned int, map_size)
+	),
+	TP_fast_assign(
+		__entry->dev = log->l_mp->m_super->s_dev;
+		__entry->blkno = buf_f->blf_blkno;
+		__entry->len = buf_f->blf_len;
+		__entry->flags = buf_f->blf_flags;
+		__entry->size = buf_f->blf_size;
+		__entry->map_size = buf_f->blf_map_size;
+	),
+	TP_printk("dev %d:%d blkno 0x%llx, len %u, flags 0x%x, size %d, "
+			"map_size %d",
+		  MAJOR(__entry->dev), MINOR(__entry->dev),
+		  __entry->blkno,
+		  __entry->len,
+		  __entry->flags,
+		  __entry->size,
+		  __entry->map_size)
+)
+
+#define DEFINE_LOG_RECOVER_BUF_ITEM(name) \
+DEFINE_EVENT(xfs_log_recover_buf_item_class, name, \
+	TP_PROTO(struct log *log, struct xfs_buf_log_format *buf_f), \
+	TP_ARGS(log, buf_f))
+
+DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_not_cancel);
+DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_cancel);
+DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_cancel_add);
+DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_cancel_ref_inc);
+DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_recover);
+DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_inode_buf);
+DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_reg_buf);
+DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_dquot_buf);
+
+DECLARE_EVENT_CLASS(xfs_log_recover_ino_item_class,
+	TP_PROTO(struct log *log, struct xfs_inode_log_format *in_f),
+	TP_ARGS(log, in_f),
+	TP_STRUCT__entry(
+		__field(dev_t, dev)
+		__field(xfs_ino_t, ino)
+		__field(unsigned short, size)
+		__field(int, fields)
+		__field(unsigned short, asize)
+		__field(unsigned short, dsize)
+		__field(__int64_t, blkno)
+		__field(int, len)
+		__field(int, boffset)
+	),
+	TP_fast_assign(
+		__entry->dev = log->l_mp->m_super->s_dev;
+		__entry->ino = in_f->ilf_ino;
+		__entry->size = in_f->ilf_size;
+		__entry->fields = in_f->ilf_fields;
+		__entry->asize = in_f->ilf_asize;
+		__entry->dsize = in_f->ilf_dsize;
+		__entry->blkno = in_f->ilf_blkno;
+		__entry->len = in_f->ilf_len;
+		__entry->boffset = in_f->ilf_boffset;
+	),
+	TP_printk("dev %d:%d ino 0x%llx, size %u, fields 0x%x, asize %d, "
+			"dsize %d, blkno 0x%llx, len %d, boffset %d",
+		  MAJOR(__entry->dev), MINOR(__entry->dev),
+		  __entry->ino,
+		  __entry->size,
+		  __entry->fields,
+		  __entry->asize,
+		  __entry->dsize,
+		  __entry->blkno,
+		  __entry->len,
+		  __entry->boffset)
+)
+#define DEFINE_LOG_RECOVER_INO_ITEM(name) \
+DEFINE_EVENT(xfs_log_recover_ino_item_class, name, \
+	TP_PROTO(struct log *log, struct xfs_inode_log_format *in_f), \
+	TP_ARGS(log, in_f))
+
+DEFINE_LOG_RECOVER_INO_ITEM(xfs_log_recover_inode_recover);
+DEFINE_LOG_RECOVER_INO_ITEM(xfs_log_recover_inode_cancel);
+DEFINE_LOG_RECOVER_INO_ITEM(xfs_log_recover_inode_skip);
+
 #endif /* _TRACE_XFS_H */
 
 #undef TRACE_INCLUDE_PATH
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 217f34af00c..df4454511f7 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -26,7 +26,7 @@ extern kmem_zone_t	*xfs_buf_item_zone;
  * have been logged.
  * For 6.2 and beyond, this is XFS_LI_BUF.  We use this to log everything.
  */
-typedef struct xfs_buf_log_format_t {
+typedef struct xfs_buf_log_format {
 	unsigned short	blf_type;	/* buf log item type indicator */
 	unsigned short	blf_size;	/* size of this item */
 	ushort		blf_flags;	/* misc state */
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 22e6efdc17e..f21eb8ad2d9 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1408,6 +1408,7 @@ xlog_recover_add_item(
 
 STATIC int
 xlog_recover_add_to_cont_trans(
+	struct log		*log,
 	xlog_recover_t		*trans,
 	xfs_caddr_t		dp,
 	int			len)
@@ -1434,6 +1435,7 @@ xlog_recover_add_to_cont_trans(
 	memcpy(&ptr[old_len], dp, len); /* d, s, l */
 	item->ri_buf[item->ri_cnt-1].i_len += len;
 	item->ri_buf[item->ri_cnt-1].i_addr = ptr;
+	trace_xfs_log_recover_item_add_cont(log, trans, item, 0);
 	return 0;
 }
 
@@ -1452,6 +1454,7 @@ xlog_recover_add_to_cont_trans(
  */
 STATIC int
 xlog_recover_add_to_trans(
+	struct log		*log,
 	xlog_recover_t		*trans,
 	xfs_caddr_t		dp,
 	int			len)
@@ -1510,6 +1513,7 @@ xlog_recover_add_to_trans(
 	item->ri_buf[item->ri_cnt].i_addr = ptr;
 	item->ri_buf[item->ri_cnt].i_len  = len;
 	item->ri_cnt++;
+	trace_xfs_log_recover_item_add(log, trans, item, 0);
 	return 0;
 }
 
@@ -1521,7 +1525,9 @@ xlog_recover_add_to_trans(
  */
 STATIC int
 xlog_recover_reorder_trans(
-	xlog_recover_t		*trans)
+	struct log		*log,
+	xlog_recover_t		*trans,
+	int			pass)
 {
 	xlog_recover_item_t	*item, *n;
 	LIST_HEAD(sort_list);
@@ -1535,6 +1541,8 @@ xlog_recover_reorder_trans(
 		switch (ITEM_TYPE(item)) {
 		case XFS_LI_BUF:
 			if (!(buf_f->blf_flags & XFS_BLI_CANCEL)) {
+				trace_xfs_log_recover_item_reorder_head(log,
+							trans, item, pass);
 				list_move(&item->ri_list, &trans->r_itemq);
 				break;
 			}
@@ -1543,6 +1551,8 @@ xlog_recover_reorder_trans(
 		case XFS_LI_QUOTAOFF:
 		case XFS_LI_EFD:
 		case XFS_LI_EFI:
+			trace_xfs_log_recover_item_reorder_tail(log,
+							trans, item, pass);
 			list_move_tail(&item->ri_list, &trans->r_itemq);
 			break;
 		default:
@@ -1592,8 +1602,10 @@ xlog_recover_do_buffer_pass1(
 	/*
 	 * If this isn't a cancel buffer item, then just return.
 	 */
-	if (!(flags & XFS_BLI_CANCEL))
+	if (!(flags & XFS_BLI_CANCEL)) {
+		trace_xfs_log_recover_buf_not_cancel(log, buf_f);
 		return;
+	}
 
 	/*
 	 * Insert an xfs_buf_cancel record into the hash table of
@@ -1627,6 +1639,7 @@ xlog_recover_do_buffer_pass1(
 	while (nextp != NULL) {
 		if (nextp->bc_blkno == blkno && nextp->bc_len == len) {
 			nextp->bc_refcount++;
+			trace_xfs_log_recover_buf_cancel_ref_inc(log, buf_f);
 			return;
 		}
 		prevp = nextp;
@@ -1640,6 +1653,7 @@ xlog_recover_do_buffer_pass1(
 	bcp->bc_refcount = 1;
 	bcp->bc_next = NULL;
 	prevp->bc_next = bcp;
+	trace_xfs_log_recover_buf_cancel_add(log, buf_f);
 }
 
 /*
@@ -1779,6 +1793,8 @@ xlog_recover_do_inode_buffer(
 	unsigned int		*data_map = NULL;
 	unsigned int		map_size = 0;
 
+	trace_xfs_log_recover_buf_inode_buf(mp->m_log, buf_f);
+
 	switch (buf_f->blf_type) {
 	case XFS_LI_BUF:
 		data_map = buf_f->blf_data_map;
@@ -1874,6 +1890,7 @@ xlog_recover_do_inode_buffer(
 /*ARGSUSED*/
 STATIC void
 xlog_recover_do_reg_buffer(
+	struct xfs_mount	*mp,
 	xlog_recover_item_t	*item,
 	xfs_buf_t		*bp,
 	xfs_buf_log_format_t	*buf_f)
@@ -1885,6 +1902,8 @@ xlog_recover_do_reg_buffer(
 	unsigned int		map_size = 0;
 	int                     error;
 
+	trace_xfs_log_recover_buf_reg_buf(mp->m_log, buf_f);
+
 	switch (buf_f->blf_type) {
 	case XFS_LI_BUF:
 		data_map = buf_f->blf_data_map;
@@ -2083,6 +2102,8 @@ xlog_recover_do_dquot_buffer(
 {
 	uint			type;
 
+	trace_xfs_log_recover_buf_dquot_buf(log, buf_f);
+
 	/*
 	 * Filesystems are required to send in quota flags at mount time.
 	 */
@@ -2103,7 +2124,7 @@ xlog_recover_do_dquot_buffer(
 	if (log->l_quotaoffs_flag & type)
 		return;
 
-	xlog_recover_do_reg_buffer(item, bp, buf_f);
+	xlog_recover_do_reg_buffer(mp, item, bp, buf_f);
 }
 
 /*
@@ -2164,9 +2185,11 @@ xlog_recover_do_buffer_trans(
 		 */
 		cancel = xlog_recover_do_buffer_pass2(log, buf_f);
 		if (cancel) {
+			trace_xfs_log_recover_buf_cancel(log, buf_f);
 			return 0;
 		}
 	}
+	trace_xfs_log_recover_buf_recover(log, buf_f);
 	switch (buf_f->blf_type) {
 	case XFS_LI_BUF:
 		blkno = buf_f->blf_blkno;
@@ -2204,7 +2227,7 @@ xlog_recover_do_buffer_trans(
 		  (XFS_BLI_UDQUOT_BUF|XFS_BLI_PDQUOT_BUF|XFS_BLI_GDQUOT_BUF)) {
 		xlog_recover_do_dquot_buffer(mp, log, item, bp, buf_f);
 	} else {
-		xlog_recover_do_reg_buffer(item, bp, buf_f);
+		xlog_recover_do_reg_buffer(mp, item, bp, buf_f);
 	}
 	if (error)
 		return XFS_ERROR(error);
@@ -2284,8 +2307,10 @@ xlog_recover_do_inode_trans(
 	if (xlog_check_buffer_cancelled(log, in_f->ilf_blkno,
 					in_f->ilf_len, 0)) {
 		error = 0;
+		trace_xfs_log_recover_inode_cancel(log, in_f);
 		goto error;
 	}
+	trace_xfs_log_recover_inode_recover(log, in_f);
 
 	bp = xfs_buf_read(mp->m_ddev_targp, in_f->ilf_blkno, in_f->ilf_len,
 			  XBF_LOCK);
@@ -2337,6 +2362,7 @@ xlog_recover_do_inode_trans(
 			/* do nothing */
 		} else {
 			xfs_buf_relse(bp);
+			trace_xfs_log_recover_inode_skip(log, in_f);
 			error = 0;
 			goto error;
 		}
@@ -2758,11 +2784,12 @@ xlog_recover_do_trans(
 	int			error = 0;
 	xlog_recover_item_t	*item;
 
-	error = xlog_recover_reorder_trans(trans);
+	error = xlog_recover_reorder_trans(log, trans, pass);
 	if (error)
 		return error;
 
 	list_for_each_entry(item, &trans->r_itemq, ri_list) {
+		trace_xfs_log_recover_item_recover(log, trans, item, pass);
 		switch (ITEM_TYPE(item)) {
 		case XFS_LI_BUF:
 			error = xlog_recover_do_buffer_trans(log, item, pass);
@@ -2919,8 +2946,9 @@ xlog_recover_process_data(
 				error = xlog_recover_unmount_trans(trans);
 				break;
 			case XLOG_WAS_CONT_TRANS:
-				error = xlog_recover_add_to_cont_trans(trans,
-						dp, be32_to_cpu(ohead->oh_len));
+				error = xlog_recover_add_to_cont_trans(log,
+						trans, dp,
+						be32_to_cpu(ohead->oh_len));
 				break;
 			case XLOG_START_TRANS:
 				xlog_warn(
@@ -2930,7 +2958,7 @@ xlog_recover_process_data(
 				break;
 			case 0:
 			case XLOG_CONTINUE_TRANS:
-				error = xlog_recover_add_to_trans(trans,
+				error = xlog_recover_add_to_trans(log, trans,
 						dp, be32_to_cpu(ohead->oh_len));
 				break;
 			default:
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 82574ef3658..c62beee0921 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -49,6 +49,15 @@ typedef struct xfs_trans_header {
 #define	XFS_LI_DQUOT		0x123d
 #define	XFS_LI_QUOTAOFF		0x123e
 
+#define XFS_LI_TYPE_DESC \
+	{ XFS_LI_EFI,		"XFS_LI_EFI" }, \
+	{ XFS_LI_EFD,		"XFS_LI_EFD" }, \
+	{ XFS_LI_IUNLINK,	"XFS_LI_IUNLINK" }, \
+	{ XFS_LI_INODE,		"XFS_LI_INODE" }, \
+	{ XFS_LI_BUF,		"XFS_LI_BUF" }, \
+	{ XFS_LI_DQUOT,		"XFS_LI_DQUOT" }, \
+	{ XFS_LI_QUOTAOFF,	"XFS_LI_QUOTAOFF" }
+
 /*
  * Transaction types.  Used to distinguish types of buffers.
  */

From 3a25404b3fccd41d36b2fda18d86011201608c38 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 13 Apr 2010 15:06:48 +1000
Subject: [PATCH 2191/3638] xfs: convert the per-mount dquot list to use list
 heads

Convert the dquot list on the filesytesm to use listhead
infrastructure rather than the roll-your-own in the quota code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/quota/xfs_dquot.c       |  21 +++--
 fs/xfs/quota/xfs_dquot.h       |   2 +-
 fs/xfs/quota/xfs_qm.c          | 155 +++++++++++++++++----------------
 fs/xfs/quota/xfs_qm.h          |   4 +-
 fs/xfs/quota/xfs_qm_syscalls.c |   2 +-
 fs/xfs/quota/xfs_quota_priv.h  |  25 ------
 6 files changed, 97 insertions(+), 112 deletions(-)

diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 5f79dd78626..838289b92bb 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -121,8 +121,9 @@ xfs_qm_dqinit(
 		 */
 		 dqp->q_nrefs = 0;
 		 dqp->q_blkno = 0;
-		 dqp->MPL_NEXT = dqp->HL_NEXT = NULL;
-		 dqp->HL_PREVP = dqp->MPL_PREVP = NULL;
+		 INIT_LIST_HEAD(&dqp->q_mplist);
+		 dqp->HL_NEXT = NULL;
+		 dqp->HL_PREVP = NULL;
 		 dqp->q_bufoffset = 0;
 		 dqp->q_fileoffset = 0;
 		 dqp->q_transp = NULL;
@@ -772,7 +773,7 @@ xfs_qm_dqlookup(
 			/*
 			 * All in core dquots must be on the dqlist of mp
 			 */
-			ASSERT(dqp->MPL_PREVP != NULL);
+			ASSERT(!list_empty(&dqp->q_mplist));
 
 			xfs_dqlock(dqp);
 			if (dqp->q_nrefs == 0) {
@@ -1039,7 +1040,7 @@ xfs_qm_dqget(
 	 * Attach this dquot to this filesystem's list of all dquots,
 	 * kept inside the mount structure in m_quotainfo field
 	 */
-	xfs_qm_mplist_lock(mp);
+	mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
 
 	/*
 	 * We return a locked dquot to the caller, with a reference taken
@@ -1047,9 +1048,9 @@ xfs_qm_dqget(
 	xfs_dqlock(dqp);
 	dqp->q_nrefs = 1;
 
-	XQM_MPLIST_INSERT(&(XFS_QI_MPL_LIST(mp)), dqp);
-
-	xfs_qm_mplist_unlock(mp);
+	list_add(&dqp->q_mplist, &mp->m_quotainfo->qi_dqlist);
+	mp->m_quotainfo->qi_dquots++;
+	mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 	mutex_unlock(&h->qh_lock);
  dqret:
 	ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL));
@@ -1389,7 +1390,7 @@ xfs_qm_dqpurge(
 	xfs_dqhash_t	*thishash;
 	xfs_mount_t	*mp = dqp->q_mount;
 
-	ASSERT(XFS_QM_IS_MPLIST_LOCKED(mp));
+	ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock));
 	ASSERT(mutex_is_locked(&dqp->q_hash->qh_lock));
 
 	xfs_dqlock(dqp);
@@ -1454,7 +1455,9 @@ xfs_qm_dqpurge(
 
 	thishash = dqp->q_hash;
 	XQM_HASHLIST_REMOVE(thishash, dqp);
-	XQM_MPLIST_REMOVE(&(XFS_QI_MPL_LIST(mp)), dqp);
+	list_del_init(&dqp->q_mplist);
+	mp->m_quotainfo->qi_dqreclaims++;
+	mp->m_quotainfo->qi_dquots--;
 	/*
 	 * XXX Move this to the front of the freelist, if we can get the
 	 * freelist lock.
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index a0f7da586d1..6992a67c165 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -57,7 +57,6 @@ struct xfs_trans;
 typedef struct xfs_dqmarker {
 	struct xfs_dquot*dqm_flnext;	/* link to freelist: must be first */
 	struct xfs_dquot*dqm_flprev;
-	xfs_dqlink_t	 dqm_mplist;	/* link to mount's list of dquots */
 	xfs_dqlink_t	 dqm_hashlist;	/* link to the hash chain */
 	uint		 dqm_flags;	/* various flags (XFS_DQ_*) */
 } xfs_dqmarker_t;
@@ -67,6 +66,7 @@ typedef struct xfs_dqmarker {
  */
 typedef struct xfs_dquot {
 	xfs_dqmarker_t	 q_lists;	/* list ptrs, q_flags (marker) */
+	struct list_head q_mplist;	/* mount's list of dquots */
 	xfs_dqhash_t	*q_hash;	/* the hashchain header */
 	struct xfs_mount*q_mount;	/* filesystem this relates to */
 	struct xfs_trans*q_transp;	/* trans this belongs to currently */
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 417e61e3d9d..855827320ff 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -84,21 +84,25 @@ extern struct mutex	qcheck_lock;
 #endif
 
 #ifdef QUOTADEBUG
-#define XQM_LIST_PRINT(l, NXT, title) \
-{ \
-	xfs_dquot_t	*dqp; int i = 0; \
-	cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \
-	for (dqp = (l)->qh_next; dqp != NULL; dqp = dqp->NXT) { \
-		cmn_err(CE_DEBUG, "   %d.  \"%d (%s)\"   " \
-				  "bcnt = %d, icnt = %d, refs = %d", \
-			++i, (int) be32_to_cpu(dqp->q_core.d_id), \
-			DQFLAGTO_TYPESTR(dqp),	     \
-			(int) be64_to_cpu(dqp->q_core.d_bcount), \
-			(int) be64_to_cpu(dqp->q_core.d_icount), \
-			(int) dqp->q_nrefs);  } \
+static void
+xfs_qm_dquot_list_print(
+	struct xfs_mount *mp)
+{
+	xfs_dquot_t	*dqp;
+	int		i = 0;
+
+	list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist_lock, qi_mplist) {
+		cmn_err(CE_DEBUG, "   %d. \"%d (%s)\"   "
+				  "bcnt = %lld, icnt = %lld, refs = %d",
+			i++, be32_to_cpu(dqp->q_core.d_id),
+			DQFLAGTO_TYPESTR(dqp),
+			(long long)be64_to_cpu(dqp->q_core.d_bcount),
+			(long long)be64_to_cpu(dqp->q_core.d_icount),
+			dqp->q_nrefs);
+	}
 }
 #else
-#define XQM_LIST_PRINT(l, NXT, title) do { } while (0)
+static void xfs_qm_dquot_list_print(struct xfs_mount *mp) { }
 #endif
 
 /*
@@ -274,7 +278,7 @@ xfs_qm_rele_quotafs_ref(
 			ASSERT(dqp->q_mount == NULL);
 			ASSERT(! XFS_DQ_IS_DIRTY(dqp));
 			ASSERT(dqp->HL_PREVP == NULL);
-			ASSERT(dqp->MPL_PREVP == NULL);
+			ASSERT(list_empty(&dqp->q_mplist));
 			XQM_FREELIST_REMOVE(dqp);
 			xfs_dqunlock(dqp);
 			xfs_qm_dqdestroy(dqp);
@@ -461,8 +465,8 @@ xfs_qm_dqflush_all(
 		return 0;
 	niters = 0;
 again:
-	xfs_qm_mplist_lock(mp);
-	FOREACH_DQUOT_IN_MP(dqp, mp) {
+	mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
+	list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) {
 		xfs_dqlock(dqp);
 		if (! XFS_DQ_IS_DIRTY(dqp)) {
 			xfs_dqunlock(dqp);
@@ -470,7 +474,7 @@ again:
 		}
 
 		/* XXX a sentinel would be better */
-		recl = XFS_QI_MPLRECLAIMS(mp);
+		recl = mp->m_quotainfo->qi_dqreclaims;
 		if (!xfs_dqflock_nowait(dqp)) {
 			/*
 			 * If we can't grab the flush lock then check
@@ -485,21 +489,21 @@ again:
 		 * Let go of the mplist lock. We don't want to hold it
 		 * across a disk write.
 		 */
-		xfs_qm_mplist_unlock(mp);
+		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 		error = xfs_qm_dqflush(dqp, sync_mode);
 		xfs_dqunlock(dqp);
 		if (error)
 			return error;
 
-		xfs_qm_mplist_lock(mp);
-		if (recl != XFS_QI_MPLRECLAIMS(mp)) {
-			xfs_qm_mplist_unlock(mp);
+		mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
+		if (recl != mp->m_quotainfo->qi_dqreclaims) {
+			mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 			/* XXX restart limit */
 			goto again;
 		}
 	}
 
-	xfs_qm_mplist_unlock(mp);
+	mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 	/* return ! busy */
 	return 0;
 }
@@ -515,9 +519,8 @@ xfs_qm_detach_gdquots(
 	int		nrecl;
 
  again:
-	ASSERT(XFS_QM_IS_MPLIST_LOCKED(mp));
-	dqp = XFS_QI_MPLNEXT(mp);
-	while (dqp) {
+	ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock));
+	list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) {
 		xfs_dqlock(dqp);
 		if ((gdqp = dqp->q_gdquot)) {
 			xfs_dqlock(gdqp);
@@ -530,15 +533,14 @@ xfs_qm_detach_gdquots(
 			 * Can't hold the mplist lock across a dqput.
 			 * XXXmust convert to marker based iterations here.
 			 */
-			nrecl = XFS_QI_MPLRECLAIMS(mp);
-			xfs_qm_mplist_unlock(mp);
+			nrecl = mp->m_quotainfo->qi_dqreclaims;
+			mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 			xfs_qm_dqput(gdqp);
 
-			xfs_qm_mplist_lock(mp);
-			if (nrecl != XFS_QI_MPLRECLAIMS(mp))
+			mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
+			if (nrecl != mp->m_quotainfo->qi_dqreclaims)
 				goto again;
 		}
-		dqp = dqp->MPL_NEXT;
 	}
 }
 
@@ -553,10 +555,9 @@ xfs_qm_dqpurge_int(
 	xfs_mount_t	*mp,
 	uint		flags) /* QUOTAOFF/UMOUNTING/UQUOTA/PQUOTA/GQUOTA */
 {
-	xfs_dquot_t	*dqp;
+	xfs_dquot_t	*dqp, *n;
 	uint		dqtype;
 	int		nrecl;
-	xfs_dquot_t	*nextdqp;
 	int		nmisses;
 
 	if (mp->m_quotainfo == NULL)
@@ -566,7 +567,7 @@ xfs_qm_dqpurge_int(
 	dqtype |= (flags & XFS_QMOPT_PQUOTA) ? XFS_DQ_PROJ : 0;
 	dqtype |= (flags & XFS_QMOPT_GQUOTA) ? XFS_DQ_GROUP : 0;
 
-	xfs_qm_mplist_lock(mp);
+	mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
 
 	/*
 	 * In the first pass through all incore dquots of this filesystem,
@@ -578,28 +579,25 @@ xfs_qm_dqpurge_int(
 
       again:
 	nmisses = 0;
-	ASSERT(XFS_QM_IS_MPLIST_LOCKED(mp));
+	ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock));
 	/*
 	 * Try to get rid of all of the unwanted dquots. The idea is to
 	 * get them off mplist and hashlist, but leave them on freelist.
 	 */
-	dqp = XFS_QI_MPLNEXT(mp);
-	while (dqp) {
+	list_for_each_entry_safe(dqp, n, &mp->m_quotainfo->qi_dqlist, q_mplist) {
 		/*
 		 * It's OK to look at the type without taking dqlock here.
 		 * We're holding the mplist lock here, and that's needed for
 		 * a dqreclaim.
 		 */
-		if ((dqp->dq_flags & dqtype) == 0) {
-			dqp = dqp->MPL_NEXT;
+		if ((dqp->dq_flags & dqtype) == 0)
 			continue;
-		}
 
 		if (!mutex_trylock(&dqp->q_hash->qh_lock)) {
-			nrecl = XFS_QI_MPLRECLAIMS(mp);
-			xfs_qm_mplist_unlock(mp);
+			nrecl = mp->m_quotainfo->qi_dqreclaims;
+			mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 			mutex_lock(&dqp->q_hash->qh_lock);
-			xfs_qm_mplist_lock(mp);
+			mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
 
 			/*
 			 * XXXTheoretically, we can get into a very long
@@ -607,7 +605,7 @@ xfs_qm_dqpurge_int(
 			 * No one can be adding dquots to the mplist at
 			 * this point, but somebody might be taking things off.
 			 */
-			if (nrecl != XFS_QI_MPLRECLAIMS(mp)) {
+			if (nrecl != mp->m_quotainfo->qi_dqreclaims) {
 				mutex_unlock(&dqp->q_hash->qh_lock);
 				goto again;
 			}
@@ -617,11 +615,9 @@ xfs_qm_dqpurge_int(
 		 * Take the dquot off the mplist and hashlist. It may remain on
 		 * freelist in INACTIVE state.
 		 */
-		nextdqp = dqp->MPL_NEXT;
 		nmisses += xfs_qm_dqpurge(dqp);
-		dqp = nextdqp;
 	}
-	xfs_qm_mplist_unlock(mp);
+	mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 	return nmisses;
 }
 
@@ -934,18 +930,19 @@ xfs_qm_sync(
 	restarts = 0;
 
   again:
-	xfs_qm_mplist_lock(mp);
+	mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
 	/*
 	 * dqpurge_all() also takes the mplist lock and iterate thru all dquots
 	 * in quotaoff. However, if the QUOTA_ACTIVE bits are not cleared
 	 * when we have the mplist lock, we know that dquots will be consistent
 	 * as long as we have it locked.
 	 */
-	if (! XFS_IS_QUOTA_ON(mp)) {
-		xfs_qm_mplist_unlock(mp);
+	if (!XFS_IS_QUOTA_ON(mp)) {
+		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 		return 0;
 	}
-	FOREACH_DQUOT_IN_MP(dqp, mp) {
+	ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock));
+	list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) {
 		/*
 		 * If this is vfs_sync calling, then skip the dquots that
 		 * don't 'seem' to be dirty. ie. don't acquire dqlock.
@@ -969,7 +966,7 @@ xfs_qm_sync(
 		}
 
 		/* XXX a sentinel would be better */
-		recl = XFS_QI_MPLRECLAIMS(mp);
+		recl = mp->m_quotainfo->qi_dqreclaims;
 		if (!xfs_dqflock_nowait(dqp)) {
 			if (flags & SYNC_TRYLOCK) {
 				xfs_dqunlock(dqp);
@@ -989,7 +986,7 @@ xfs_qm_sync(
 		 * Let go of the mplist lock. We don't want to hold it
 		 * across a disk write
 		 */
-		xfs_qm_mplist_unlock(mp);
+		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 		error = xfs_qm_dqflush(dqp, flags);
 		xfs_dqunlock(dqp);
 		if (error && XFS_FORCED_SHUTDOWN(mp))
@@ -997,17 +994,17 @@ xfs_qm_sync(
 		else if (error)
 			return error;
 
-		xfs_qm_mplist_lock(mp);
-		if (recl != XFS_QI_MPLRECLAIMS(mp)) {
+		mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
+		if (recl != mp->m_quotainfo->qi_dqreclaims) {
 			if (++restarts >= XFS_QM_SYNC_MAX_RESTARTS)
 				break;
 
-			xfs_qm_mplist_unlock(mp);
+			mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 			goto again;
 		}
 	}
 
-	xfs_qm_mplist_unlock(mp);
+	mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 	return 0;
 }
 
@@ -1052,8 +1049,9 @@ xfs_qm_init_quotainfo(
 		return error;
 	}
 
-	xfs_qm_list_init(&qinf->qi_dqlist, "mpdqlist", 0);
-	lockdep_set_class(&qinf->qi_dqlist.qh_lock, &xfs_quota_mplist_class);
+	INIT_LIST_HEAD(&qinf->qi_dqlist);
+	mutex_init(&qinf->qi_dqlist_lock);
+	lockdep_set_class(&qinf->qi_dqlist_lock, &xfs_quota_mplist_class);
 
 	qinf->qi_dqreclaims = 0;
 
@@ -1150,7 +1148,8 @@ xfs_qm_destroy_quotainfo(
 	 */
 	xfs_qm_rele_quotafs_ref(mp);
 
-	xfs_qm_list_destroy(&qi->qi_dqlist);
+	ASSERT(list_empty(&qi->qi_dqlist));
+	mutex_destroy(&qi->qi_dqlist_lock);
 
 	if (qi->qi_uquotaip) {
 		IRELE(qi->qi_uquotaip);
@@ -1754,7 +1753,7 @@ xfs_qm_quotacheck(
 	 * There should be no cached dquots. The (simplistic) quotacheck
 	 * algorithm doesn't like that.
 	 */
-	ASSERT(XFS_QI_MPLNDQUOTS(mp) == 0);
+	ASSERT(list_empty(&mp->m_quotainfo->qi_dqlist));
 
 	cmn_err(CE_NOTE, "XFS quotacheck %s: Please wait.", mp->m_fsname);
 
@@ -1825,7 +1824,7 @@ xfs_qm_quotacheck(
 	mp->m_qflags &= ~(XFS_OQUOTA_CHKD | XFS_UQUOTA_CHKD);
 	mp->m_qflags |= flags;
 
-	XQM_LIST_PRINT(&(XFS_QI_MPL_LIST(mp)), MPL_NEXT, "++++ Mp list +++");
+	xfs_qm_dquot_list_print(mp);
 
  error_return:
 	if (error) {
@@ -1960,6 +1959,7 @@ xfs_qm_shake_freelist(
 	for (dqp = xfs_Gqm->qm_dqfreelist.qh_next;
 	     ((dqp != (xfs_dquot_t *) &xfs_Gqm->qm_dqfreelist) &&
 	      nreclaimed < howmany); ) {
+		struct xfs_mount *mp = dqp->q_mount;
 		xfs_dqlock(dqp);
 
 		/*
@@ -1981,16 +1981,16 @@ xfs_qm_shake_freelist(
 		 * life easier.
 		 */
 		if (dqp->dq_flags & XFS_DQ_INACTIVE) {
-			ASSERT(dqp->q_mount == NULL);
+			ASSERT(mp == NULL);
 			ASSERT(! XFS_DQ_IS_DIRTY(dqp));
 			ASSERT(dqp->HL_PREVP == NULL);
-			ASSERT(dqp->MPL_PREVP == NULL);
+			ASSERT(list_empty(&dqp->q_mplist));
 			XQM_STATS_INC(xqmstats.xs_qm_dqinact_reclaims);
 			nextdqp = dqp->dq_flnext;
 			goto off_freelist;
 		}
 
-		ASSERT(dqp->MPL_PREVP);
+		ASSERT(!list_empty(&dqp->q_mplist));
 		/*
 		 * Try to grab the flush lock. If this dquot is in the process of
 		 * getting flushed to disk, we don't want to reclaim it.
@@ -2018,7 +2018,7 @@ xfs_qm_shake_freelist(
 			 */
 			error = xfs_qm_dqflush(dqp, 0);
 			if (error) {
-				xfs_fs_cmn_err(CE_WARN, dqp->q_mount,
+				xfs_fs_cmn_err(CE_WARN, mp,
 			"xfs_qm_dqflush_all: dquot %p flush failed", dqp);
 			}
 			xfs_dqunlock(dqp); /* dqflush unlocks dqflock */
@@ -2045,7 +2045,7 @@ xfs_qm_shake_freelist(
 		 */
 		hash = dqp->q_hash;
 		ASSERT(hash);
-		if (! xfs_qm_mplist_nowait(dqp->q_mount)) {
+		if (!mutex_trylock(&mp->m_quotainfo->qi_dqlist_lock)) {
 			/* XXX put a sentinel so that we can come back here */
 			xfs_dqfunlock(dqp);
 			xfs_dqunlock(dqp);
@@ -2064,10 +2064,12 @@ xfs_qm_shake_freelist(
 #endif
 		ASSERT(dqp->q_nrefs == 0);
 		nextdqp = dqp->dq_flnext;
-		XQM_MPLIST_REMOVE(&(XFS_QI_MPL_LIST(dqp->q_mount)), dqp);
 		XQM_HASHLIST_REMOVE(hash, dqp);
+		list_del_init(&dqp->q_mplist);
+		mp->m_quotainfo->qi_dquots--;
+		mp->m_quotainfo->qi_dqreclaims++;
 		xfs_dqfunlock(dqp);
-		xfs_qm_mplist_unlock(dqp->q_mount);
+		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 		mutex_unlock(&hash->qh_lock);
 
  off_freelist:
@@ -2134,6 +2136,7 @@ xfs_qm_dqreclaim_one(void)
 	xfs_qm_freelist_lock(xfs_Gqm);
 
 	FOREACH_DQUOT_IN_FREELIST(dqp, &(xfs_Gqm->qm_dqfreelist)) {
+		struct xfs_mount *mp = dqp->q_mount;
 		xfs_dqlock(dqp);
 
 		/*
@@ -2161,10 +2164,10 @@ xfs_qm_dqreclaim_one(void)
 		 * life easier.
 		 */
 		if (dqp->dq_flags & XFS_DQ_INACTIVE) {
-			ASSERT(dqp->q_mount == NULL);
+			ASSERT(mp == NULL);
 			ASSERT(! XFS_DQ_IS_DIRTY(dqp));
 			ASSERT(dqp->HL_PREVP == NULL);
-			ASSERT(dqp->MPL_PREVP == NULL);
+			ASSERT(list_empty(&dqp->q_mplist));
 			XQM_FREELIST_REMOVE(dqp);
 			xfs_dqunlock(dqp);
 			dqpout = dqp;
@@ -2173,7 +2176,7 @@ xfs_qm_dqreclaim_one(void)
 		}
 
 		ASSERT(dqp->q_hash);
-		ASSERT(dqp->MPL_PREVP);
+		ASSERT(!list_empty(&dqp->q_mplist));
 
 		/*
 		 * Try to grab the flush lock. If this dquot is in the process of
@@ -2201,14 +2204,14 @@ xfs_qm_dqreclaim_one(void)
 			 */
 			error = xfs_qm_dqflush(dqp, 0);
 			if (error) {
-				xfs_fs_cmn_err(CE_WARN, dqp->q_mount,
+				xfs_fs_cmn_err(CE_WARN, mp,
 			"xfs_qm_dqreclaim: dquot %p flush failed", dqp);
 			}
 			xfs_dqunlock(dqp); /* dqflush unlocks dqflock */
 			continue;
 		}
 
-		if (! xfs_qm_mplist_nowait(dqp->q_mount)) {
+		if (!mutex_trylock(&mp->m_quotainfo->qi_dqlist_lock)) {
 			xfs_dqfunlock(dqp);
 			xfs_dqunlock(dqp);
 			continue;
@@ -2220,13 +2223,15 @@ xfs_qm_dqreclaim_one(void)
 		trace_xfs_dqreclaim_unlink(dqp);
 
 		ASSERT(dqp->q_nrefs == 0);
-		XQM_MPLIST_REMOVE(&(XFS_QI_MPL_LIST(dqp->q_mount)), dqp);
+		list_del_init(&dqp->q_mplist);
+		mp->m_quotainfo->qi_dquots--;
+		mp->m_quotainfo->qi_dqreclaims++;
 		XQM_HASHLIST_REMOVE(dqp->q_hash, dqp);
 		XQM_FREELIST_REMOVE(dqp);
 		dqpout = dqp;
 		mutex_unlock(&dqp->q_hash->qh_lock);
  mplistunlock:
-		xfs_qm_mplist_unlock(dqp->q_mount);
+		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 		xfs_dqfunlock(dqp);
 		xfs_dqunlock(dqp);
 		if (dqpout)
diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h
index 495564b8af3..91bd053e90b 100644
--- a/fs/xfs/quota/xfs_qm.h
+++ b/fs/xfs/quota/xfs_qm.h
@@ -106,7 +106,9 @@ typedef struct xfs_qm {
 typedef struct xfs_quotainfo {
 	xfs_inode_t	*qi_uquotaip;	 /* user quota inode */
 	xfs_inode_t	*qi_gquotaip;	 /* group quota inode */
-	xfs_dqlist_t	 qi_dqlist;	 /* all dquots in filesys */
+	struct list_head qi_dqlist;	 /* all dquots in filesys */
+	struct mutex	 qi_dqlist_lock;
+	int		 qi_dquots;
 	int		 qi_dqreclaims;	 /* a change here indicates
 					    a removal in the dqlist */
 	time_t		 qi_btimelimit;	 /* limit for blks timer */
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 50bee07d6b0..c54fa7790bd 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -442,7 +442,7 @@ xfs_qm_scall_getqstat(
 			IRELE(gip);
 	}
 	if (mp->m_quotainfo) {
-		out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp);
+		out->qs_incoredqs = mp->m_quotainfo->qi_dquots;
 		out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp);
 		out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp);
 		out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp);
diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/quota/xfs_quota_priv.h
index 8286b2842b6..6f4bbae51ac 100644
--- a/fs/xfs/quota/xfs_quota_priv.h
+++ b/fs/xfs/quota/xfs_quota_priv.h
@@ -29,7 +29,6 @@
 
 #define XFS_DQ_IS_ADDEDTO_TRX(t, d)	((d)->q_transp == (t))
 
-#define XFS_QI_MPLRECLAIMS(mp)	((mp)->m_quotainfo->qi_dqreclaims)
 #define XFS_QI_UQIP(mp)		((mp)->m_quotainfo->qi_uquotaip)
 #define XFS_QI_GQIP(mp)		((mp)->m_quotainfo->qi_gquotaip)
 #define XFS_QI_DQCHUNKLEN(mp)	((mp)->m_quotainfo->qi_dqchunklen)
@@ -41,19 +40,6 @@
 #define XFS_QI_IWARNLIMIT(mp)	((mp)->m_quotainfo->qi_iwarnlimit)
 #define XFS_QI_QOFFLOCK(mp)	((mp)->m_quotainfo->qi_quotaofflock)
 
-#define XFS_QI_MPL_LIST(mp)	((mp)->m_quotainfo->qi_dqlist)
-#define XFS_QI_MPLNEXT(mp)	((mp)->m_quotainfo->qi_dqlist.qh_next)
-#define XFS_QI_MPLNDQUOTS(mp)	((mp)->m_quotainfo->qi_dqlist.qh_nelems)
-
-#define xfs_qm_mplist_lock(mp) \
-	mutex_lock(&(XFS_QI_MPL_LIST(mp).qh_lock))
-#define xfs_qm_mplist_nowait(mp) \
-	mutex_trylock(&(XFS_QI_MPL_LIST(mp).qh_lock))
-#define xfs_qm_mplist_unlock(mp) \
-	mutex_unlock(&(XFS_QI_MPL_LIST(mp).qh_lock))
-#define XFS_QM_IS_MPLIST_LOCKED(mp) \
-	mutex_is_locked(&(XFS_QI_MPL_LIST(mp).qh_lock))
-
 #define xfs_qm_freelist_lock(qm) \
 	mutex_lock(&((qm)->qm_dqfreelist.qh_lock))
 #define xfs_qm_freelist_lock_nowait(qm) \
@@ -88,8 +74,6 @@
 
 #define HL_PREVP	dq_hashlist.ql_prevp
 #define HL_NEXT		dq_hashlist.ql_next
-#define MPL_PREVP	dq_mplist.ql_prevp
-#define MPL_NEXT	dq_mplist.ql_next
 
 
 #define _LIST_REMOVE(h, dqp, PVP, NXT)				\
@@ -116,9 +100,6 @@
 		 (h)->qh_nelems++;				\
 	 }
 
-#define FOREACH_DQUOT_IN_MP(dqp, mp) \
-	for ((dqp) = XFS_QI_MPLNEXT(mp); (dqp) != NULL; (dqp) = (dqp)->MPL_NEXT)
-
 #define FOREACH_DQUOT_IN_FREELIST(dqp, qlist)	\
 for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
      (dqp) = (dqp)->dq_flnext)
@@ -129,16 +110,10 @@ for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
 #define XQM_FREELIST_INSERT(h, dqp)	\
 	 xfs_qm_freelist_append(h, dqp)
 
-#define XQM_MPLIST_INSERT(h, dqp)	\
-	 _LIST_INSERT(h, dqp, MPL_PREVP, MPL_NEXT)
-
 #define XQM_HASHLIST_REMOVE(h, dqp)	\
 	 _LIST_REMOVE(h, dqp, HL_PREVP, HL_NEXT)
 #define XQM_FREELIST_REMOVE(dqp)	\
 	 xfs_qm_freelist_unlink(dqp)
-#define XQM_MPLIST_REMOVE(h, dqp)	\
-	{ _LIST_REMOVE(h, dqp, MPL_PREVP, MPL_NEXT); \
-	  XFS_QI_MPLRECLAIMS((dqp)->q_mount)++; }
 
 #define XFS_DQ_IS_LOGITEM_INITD(dqp)	((dqp)->q_logitem.qli_dquot == (dqp))
 

From 368e136174344c417bad6ff0380b7b3f574bf120 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 13 Apr 2010 15:06:50 +1000
Subject: [PATCH 2192/3638] xfs: remove duplicate code from dquot reclaim

The dquot shaker and the free-list reclaim code use exactly the same
algorithm but the code is duplicated and slightly different in each
case. Make the shaker code use the single dquot reclaim code to
remove the code duplication.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/linux-2.6/xfs_trace.h |   2 -
 fs/xfs/quota/xfs_qm.c        | 286 ++++++++++-------------------------
 2 files changed, 84 insertions(+), 204 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
index 33f7d2b7afe..ce6a968a8f4 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/linux-2.6/xfs_trace.h
@@ -653,8 +653,6 @@ DEFINE_EVENT(xfs_dquot_class, name, \
 	TP_PROTO(struct xfs_dquot *dqp), \
 	TP_ARGS(dqp))
 DEFINE_DQUOT_EVENT(xfs_dqadjust);
-DEFINE_DQUOT_EVENT(xfs_dqshake_dirty);
-DEFINE_DQUOT_EVENT(xfs_dqshake_unlink);
 DEFINE_DQUOT_EVENT(xfs_dqreclaim_want);
 DEFINE_DQUOT_EVENT(xfs_dqreclaim_dirty);
 DEFINE_DQUOT_EVENT(xfs_dqreclaim_unlink);
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 855827320ff..5ca65c834bb 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -1926,194 +1926,6 @@ xfs_qm_init_quotainos(
 }
 
 
-/*
- * Traverse the freelist of dquots and attempt to reclaim a maximum of
- * 'howmany' dquots. This operation races with dqlookup(), and attempts to
- * favor the lookup function ...
- * XXXsup merge this with qm_reclaim_one().
- */
-STATIC int
-xfs_qm_shake_freelist(
-	int howmany)
-{
-	int		nreclaimed;
-	xfs_dqhash_t	*hash;
-	xfs_dquot_t	*dqp, *nextdqp;
-	int		restarts;
-	int		nflushes;
-
-	if (howmany <= 0)
-		return 0;
-
-	nreclaimed = 0;
-	restarts = 0;
-	nflushes = 0;
-
-#ifdef QUOTADEBUG
-	cmn_err(CE_DEBUG, "Shake free 0x%x", howmany);
-#endif
-	/* lock order is : hashchainlock, freelistlock, mplistlock */
- tryagain:
-	xfs_qm_freelist_lock(xfs_Gqm);
-
-	for (dqp = xfs_Gqm->qm_dqfreelist.qh_next;
-	     ((dqp != (xfs_dquot_t *) &xfs_Gqm->qm_dqfreelist) &&
-	      nreclaimed < howmany); ) {
-		struct xfs_mount *mp = dqp->q_mount;
-		xfs_dqlock(dqp);
-
-		/*
-		 * We are racing with dqlookup here. Naturally we don't
-		 * want to reclaim a dquot that lookup wants.
-		 */
-		if (dqp->dq_flags & XFS_DQ_WANT) {
-			xfs_dqunlock(dqp);
-			xfs_qm_freelist_unlock(xfs_Gqm);
-			if (++restarts >= XFS_QM_RECLAIM_MAX_RESTARTS)
-				return nreclaimed;
-			XQM_STATS_INC(xqmstats.xs_qm_dqwants);
-			goto tryagain;
-		}
-
-		/*
-		 * If the dquot is inactive, we are assured that it is
-		 * not on the mplist or the hashlist, and that makes our
-		 * life easier.
-		 */
-		if (dqp->dq_flags & XFS_DQ_INACTIVE) {
-			ASSERT(mp == NULL);
-			ASSERT(! XFS_DQ_IS_DIRTY(dqp));
-			ASSERT(dqp->HL_PREVP == NULL);
-			ASSERT(list_empty(&dqp->q_mplist));
-			XQM_STATS_INC(xqmstats.xs_qm_dqinact_reclaims);
-			nextdqp = dqp->dq_flnext;
-			goto off_freelist;
-		}
-
-		ASSERT(!list_empty(&dqp->q_mplist));
-		/*
-		 * Try to grab the flush lock. If this dquot is in the process of
-		 * getting flushed to disk, we don't want to reclaim it.
-		 */
-		if (!xfs_dqflock_nowait(dqp)) {
-			xfs_dqunlock(dqp);
-			dqp = dqp->dq_flnext;
-			continue;
-		}
-
-		/*
-		 * We have the flush lock so we know that this is not in the
-		 * process of being flushed. So, if this is dirty, flush it
-		 * DELWRI so that we don't get a freelist infested with
-		 * dirty dquots.
-		 */
-		if (XFS_DQ_IS_DIRTY(dqp)) {
-			int	error;
-
-			trace_xfs_dqshake_dirty(dqp);
-
-			/*
-			 * We flush it delayed write, so don't bother
-			 * releasing the mplock.
-			 */
-			error = xfs_qm_dqflush(dqp, 0);
-			if (error) {
-				xfs_fs_cmn_err(CE_WARN, mp,
-			"xfs_qm_dqflush_all: dquot %p flush failed", dqp);
-			}
-			xfs_dqunlock(dqp); /* dqflush unlocks dqflock */
-			dqp = dqp->dq_flnext;
-			continue;
-		}
-		/*
-		 * We're trying to get the hashlock out of order. This races
-		 * with dqlookup; so, we giveup and goto the next dquot if
-		 * we couldn't get the hashlock. This way, we won't starve
-		 * a dqlookup process that holds the hashlock that is
-		 * waiting for the freelist lock.
-		 */
-		if (!mutex_trylock(&dqp->q_hash->qh_lock)) {
-			xfs_dqfunlock(dqp);
-			xfs_dqunlock(dqp);
-			dqp = dqp->dq_flnext;
-			continue;
-		}
-		/*
-		 * This races with dquot allocation code as well as dqflush_all
-		 * and reclaim code. So, if we failed to grab the mplist lock,
-		 * giveup everything and start over.
-		 */
-		hash = dqp->q_hash;
-		ASSERT(hash);
-		if (!mutex_trylock(&mp->m_quotainfo->qi_dqlist_lock)) {
-			/* XXX put a sentinel so that we can come back here */
-			xfs_dqfunlock(dqp);
-			xfs_dqunlock(dqp);
-			mutex_unlock(&hash->qh_lock);
-			xfs_qm_freelist_unlock(xfs_Gqm);
-			if (++restarts >= XFS_QM_RECLAIM_MAX_RESTARTS)
-				return nreclaimed;
-			goto tryagain;
-		}
-
-		trace_xfs_dqshake_unlink(dqp);
-
-#ifdef QUOTADEBUG
-		cmn_err(CE_DEBUG, "Shake 0x%p, ID 0x%x\n",
-			dqp, be32_to_cpu(dqp->q_core.d_id));
-#endif
-		ASSERT(dqp->q_nrefs == 0);
-		nextdqp = dqp->dq_flnext;
-		XQM_HASHLIST_REMOVE(hash, dqp);
-		list_del_init(&dqp->q_mplist);
-		mp->m_quotainfo->qi_dquots--;
-		mp->m_quotainfo->qi_dqreclaims++;
-		xfs_dqfunlock(dqp);
-		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
-		mutex_unlock(&hash->qh_lock);
-
- off_freelist:
-		XQM_FREELIST_REMOVE(dqp);
-		xfs_dqunlock(dqp);
-		nreclaimed++;
-		XQM_STATS_INC(xqmstats.xs_qm_dqshake_reclaims);
-		xfs_qm_dqdestroy(dqp);
-		dqp = nextdqp;
-	}
-	xfs_qm_freelist_unlock(xfs_Gqm);
-	return nreclaimed;
-}
-
-
-/*
- * The kmem_shake interface is invoked when memory is running low.
- */
-/* ARGSUSED */
-STATIC int
-xfs_qm_shake(int nr_to_scan, gfp_t gfp_mask)
-{
-	int	ndqused, nfree, n;
-
-	if (!kmem_shake_allow(gfp_mask))
-		return 0;
-	if (!xfs_Gqm)
-		return 0;
-
-	nfree = xfs_Gqm->qm_dqfreelist.qh_nelems; /* free dquots */
-	/* incore dquots in all f/s's */
-	ndqused = atomic_read(&xfs_Gqm->qm_totaldquots) - nfree;
-
-	ASSERT(ndqused >= 0);
-
-	if (nfree <= ndqused && nfree < ndquot)
-		return 0;
-
-	ndqused *= xfs_Gqm->qm_dqfree_ratio;	/* target # of free dquots */
-	n = nfree - ndqused - ndquot;		/* # over target */
-
-	return xfs_qm_shake_freelist(MAX(nfree, n));
-}
-
 
 /*
  * Just pop the least recently used dquot off the freelist and
@@ -2125,14 +1937,12 @@ xfs_qm_dqreclaim_one(void)
 	xfs_dquot_t	*dqpout;
 	xfs_dquot_t	*dqp;
 	int		restarts;
-	int		nflushes;
 
 	restarts = 0;
 	dqpout = NULL;
-	nflushes = 0;
 
 	/* lockorder: hashchainlock, freelistlock, mplistlock, dqlock, dqflock */
- startagain:
+startagain:
 	xfs_qm_freelist_lock(xfs_Gqm);
 
 	FOREACH_DQUOT_IN_FREELIST(dqp, &(xfs_Gqm->qm_dqfreelist)) {
@@ -2211,16 +2021,33 @@ xfs_qm_dqreclaim_one(void)
 			continue;
 		}
 
-		if (!mutex_trylock(&mp->m_quotainfo->qi_dqlist_lock)) {
-			xfs_dqfunlock(dqp);
-			xfs_dqunlock(dqp);
-			continue;
+		/*
+		 * We're trying to get the hashlock out of order. This races
+		 * with dqlookup; so, we giveup and goto the next dquot if
+		 * we couldn't get the hashlock. This way, we won't starve
+		 * a dqlookup process that holds the hashlock that is
+		 * waiting for the freelist lock.
+		 */
+		if (!mutex_trylock(&dqp->q_hash->qh_lock)) {
+			restarts++;
+			goto dqfunlock;
 		}
 
-		if (!mutex_trylock(&dqp->q_hash->qh_lock))
-			goto mplistunlock;
-
-		trace_xfs_dqreclaim_unlink(dqp);
+		/*
+		 * This races with dquot allocation code as well as dqflush_all
+		 * and reclaim code. So, if we failed to grab the mplist lock,
+		 * giveup everything and start over.
+		 */
+		if (!mutex_trylock(&mp->m_quotainfo->qi_dqlist_lock)) {
+			restarts++;
+			mutex_unlock(&dqp->q_hash->qh_lock);
+			xfs_dqfunlock(dqp);
+			xfs_dqunlock(dqp);
+			xfs_qm_freelist_unlock(xfs_Gqm);
+			if (restarts++ >= XFS_QM_RECLAIM_MAX_RESTARTS)
+				return NULL;
+			goto startagain;
+		}
 
 		ASSERT(dqp->q_nrefs == 0);
 		list_del_init(&dqp->q_mplist);
@@ -2229,19 +2056,74 @@ xfs_qm_dqreclaim_one(void)
 		XQM_HASHLIST_REMOVE(dqp->q_hash, dqp);
 		XQM_FREELIST_REMOVE(dqp);
 		dqpout = dqp;
-		mutex_unlock(&dqp->q_hash->qh_lock);
- mplistunlock:
 		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+		mutex_unlock(&dqp->q_hash->qh_lock);
+dqfunlock:
 		xfs_dqfunlock(dqp);
 		xfs_dqunlock(dqp);
 		if (dqpout)
 			break;
+		if (restarts >= XFS_QM_RECLAIM_MAX_RESTARTS)
+			return NULL;
 	}
-
 	xfs_qm_freelist_unlock(xfs_Gqm);
 	return dqpout;
 }
 
+/*
+ * Traverse the freelist of dquots and attempt to reclaim a maximum of
+ * 'howmany' dquots. This operation races with dqlookup(), and attempts to
+ * favor the lookup function ...
+ */
+STATIC int
+xfs_qm_shake_freelist(
+	int	howmany)
+{
+	int		nreclaimed = 0;
+	xfs_dquot_t	*dqp;
+
+	if (howmany <= 0)
+		return 0;
+
+	while (nreclaimed < howmany) {
+		dqp = xfs_qm_dqreclaim_one();
+		if (!dqp)
+			return nreclaimed;
+		xfs_qm_dqdestroy(dqp);
+		nreclaimed++;
+	}
+	return nreclaimed;
+}
+
+/*
+ * The kmem_shake interface is invoked when memory is running low.
+ */
+/* ARGSUSED */
+STATIC int
+xfs_qm_shake(int nr_to_scan, gfp_t gfp_mask)
+{
+	int	ndqused, nfree, n;
+
+	if (!kmem_shake_allow(gfp_mask))
+		return 0;
+	if (!xfs_Gqm)
+		return 0;
+
+	nfree = xfs_Gqm->qm_dqfreelist.qh_nelems; /* free dquots */
+	/* incore dquots in all f/s's */
+	ndqused = atomic_read(&xfs_Gqm->qm_totaldquots) - nfree;
+
+	ASSERT(ndqused >= 0);
+
+	if (nfree <= ndqused && nfree < ndquot)
+		return 0;
+
+	ndqused *= xfs_Gqm->qm_dqfree_ratio;	/* target # of free dquots */
+	n = nfree - ndqused - ndquot;		/* # over target */
+
+	return xfs_qm_shake_freelist(MAX(nfree, n));
+}
+
 
 /*------------------------------------------------------------------*/
 

From e6a81f13aa9aa20ef03174210aed24791865b05e Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 13 Apr 2010 15:06:51 +1000
Subject: [PATCH 2193/3638] xfs: convert the dquot hash list to use list heads

Convert the dquot hash list on the filesystem to use listhead
infrastructure rather than the roll-your-own in the quota code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/linux-2.6/xfs_trace.h   |  1 -
 fs/xfs/quota/xfs_dquot.c       | 32 ++++++++++----------------------
 fs/xfs/quota/xfs_dquot.h       |  9 ++-------
 fs/xfs/quota/xfs_qm.c          |  9 +++++----
 fs/xfs/quota/xfs_qm_syscalls.c | 34 +++++++++++++---------------------
 fs/xfs/quota/xfs_quota_priv.h  | 33 ---------------------------------
 6 files changed, 30 insertions(+), 88 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
index ce6a968a8f4..8a319cfd290 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/linux-2.6/xfs_trace.h
@@ -667,7 +667,6 @@ DEFINE_DQUOT_EVENT(xfs_dqread_fail);
 DEFINE_DQUOT_EVENT(xfs_dqlookup_found);
 DEFINE_DQUOT_EVENT(xfs_dqlookup_want);
 DEFINE_DQUOT_EVENT(xfs_dqlookup_freelist);
-DEFINE_DQUOT_EVENT(xfs_dqlookup_move);
 DEFINE_DQUOT_EVENT(xfs_dqlookup_done);
 DEFINE_DQUOT_EVENT(xfs_dqget_hit);
 DEFINE_DQUOT_EVENT(xfs_dqget_miss);
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 838289b92bb..ad64ab62d9c 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -122,8 +122,7 @@ xfs_qm_dqinit(
 		 dqp->q_nrefs = 0;
 		 dqp->q_blkno = 0;
 		 INIT_LIST_HEAD(&dqp->q_mplist);
-		 dqp->HL_NEXT = NULL;
-		 dqp->HL_PREVP = NULL;
+		 INIT_LIST_HEAD(&dqp->q_hashlist);
 		 dqp->q_bufoffset = 0;
 		 dqp->q_fileoffset = 0;
 		 dqp->q_transp = NULL;
@@ -752,7 +751,6 @@ xfs_qm_dqlookup(
 {
 	xfs_dquot_t		*dqp;
 	uint			flist_locked;
-	xfs_dquot_t		*d;
 
 	ASSERT(mutex_is_locked(&qh->qh_lock));
 
@@ -761,7 +759,7 @@ xfs_qm_dqlookup(
 	/*
 	 * Traverse the hashchain looking for a match
 	 */
-	for (dqp = qh->qh_next; dqp != NULL; dqp = dqp->HL_NEXT) {
+	list_for_each_entry(dqp, &qh->qh_list, q_hashlist) {
 		/*
 		 * We already have the hashlock. We don't need the
 		 * dqlock to look at the id field of the dquot, since the
@@ -828,21 +826,10 @@ xfs_qm_dqlookup(
 			 * move the dquot to the front of the hashchain
 			 */
 			ASSERT(mutex_is_locked(&qh->qh_lock));
-			if (dqp->HL_PREVP != &qh->qh_next) {
-				trace_xfs_dqlookup_move(dqp);
-				if ((d = dqp->HL_NEXT))
-					d->HL_PREVP = dqp->HL_PREVP;
-				*(dqp->HL_PREVP) = d;
-				d = qh->qh_next;
-				d->HL_PREVP = &dqp->HL_NEXT;
-				dqp->HL_NEXT = d;
-				dqp->HL_PREVP = &qh->qh_next;
-				qh->qh_next = dqp;
-			}
+			list_move(&dqp->q_hashlist, &qh->qh_list);
 			trace_xfs_dqlookup_done(dqp);
 			*O_dqpp = dqp;
-			ASSERT(mutex_is_locked(&qh->qh_lock));
-			return (0);
+			return 0;
 		}
 	}
 
@@ -1034,7 +1021,8 @@ xfs_qm_dqget(
 	 */
 	ASSERT(mutex_is_locked(&h->qh_lock));
 	dqp->q_hash = h;
-	XQM_HASHLIST_INSERT(h, dqp);
+	list_add(&dqp->q_hashlist, &h->qh_list);
+	h->qh_version++;
 
 	/*
 	 * Attach this dquot to this filesystem's list of all dquots,
@@ -1387,7 +1375,7 @@ int
 xfs_qm_dqpurge(
 	xfs_dquot_t	*dqp)
 {
-	xfs_dqhash_t	*thishash;
+	xfs_dqhash_t	*qh = dqp->q_hash;
 	xfs_mount_t	*mp = dqp->q_mount;
 
 	ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock));
@@ -1453,8 +1441,8 @@ xfs_qm_dqpurge(
 	ASSERT(XFS_FORCED_SHUTDOWN(mp) ||
 	       !(dqp->q_logitem.qli_item.li_flags & XFS_LI_IN_AIL));
 
-	thishash = dqp->q_hash;
-	XQM_HASHLIST_REMOVE(thishash, dqp);
+	list_del_init(&dqp->q_hashlist);
+	qh->qh_version++;
 	list_del_init(&dqp->q_mplist);
 	mp->m_quotainfo->qi_dqreclaims++;
 	mp->m_quotainfo->qi_dquots--;
@@ -1470,7 +1458,7 @@ xfs_qm_dqpurge(
 	memset(&dqp->q_core, 0, sizeof(dqp->q_core));
 	xfs_dqfunlock(dqp);
 	xfs_dqunlock(dqp);
-	mutex_unlock(&thishash->qh_lock);
+	mutex_unlock(&qh->qh_lock);
 	return (0);
 }
 
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index 6992a67c165..169b3c24af7 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -33,17 +33,12 @@
  * The hash chain headers (hash buckets)
  */
 typedef struct xfs_dqhash {
-	struct xfs_dquot *qh_next;
+	struct list_head  qh_list;
 	struct mutex	  qh_lock;
 	uint		  qh_version;	/* ever increasing version */
 	uint		  qh_nelems;	/* number of dquots on the list */
 } xfs_dqhash_t;
 
-typedef struct xfs_dqlink {
-	struct xfs_dquot  *ql_next;	/* forward link */
-	struct xfs_dquot **ql_prevp;	/* pointer to prev ql_next */
-} xfs_dqlink_t;
-
 struct xfs_mount;
 struct xfs_trans;
 
@@ -57,7 +52,6 @@ struct xfs_trans;
 typedef struct xfs_dqmarker {
 	struct xfs_dquot*dqm_flnext;	/* link to freelist: must be first */
 	struct xfs_dquot*dqm_flprev;
-	xfs_dqlink_t	 dqm_hashlist;	/* link to the hash chain */
 	uint		 dqm_flags;	/* various flags (XFS_DQ_*) */
 } xfs_dqmarker_t;
 
@@ -67,6 +61,7 @@ typedef struct xfs_dqmarker {
 typedef struct xfs_dquot {
 	xfs_dqmarker_t	 q_lists;	/* list ptrs, q_flags (marker) */
 	struct list_head q_mplist;	/* mount's list of dquots */
+	struct list_head q_hashlist;	/* mount's list of dquots */
 	xfs_dqhash_t	*q_hash;	/* the hashchain header */
 	struct xfs_mount*q_mount;	/* filesystem this relates to */
 	struct xfs_trans*q_transp;	/* trans this belongs to currently */
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 5ca65c834bb..08e97f1ef65 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -277,7 +277,7 @@ xfs_qm_rele_quotafs_ref(
 		if (dqp->dq_flags & XFS_DQ_INACTIVE) {
 			ASSERT(dqp->q_mount == NULL);
 			ASSERT(! XFS_DQ_IS_DIRTY(dqp));
-			ASSERT(dqp->HL_PREVP == NULL);
+			ASSERT(list_empty(&dqp->q_hashlist));
 			ASSERT(list_empty(&dqp->q_mplist));
 			XQM_FREELIST_REMOVE(dqp);
 			xfs_dqunlock(dqp);
@@ -1176,7 +1176,7 @@ xfs_qm_list_init(
 	int		n)
 {
 	mutex_init(&list->qh_lock);
-	list->qh_next = NULL;
+	INIT_LIST_HEAD(&list->qh_list);
 	list->qh_version = 0;
 	list->qh_nelems = 0;
 }
@@ -1976,7 +1976,7 @@ startagain:
 		if (dqp->dq_flags & XFS_DQ_INACTIVE) {
 			ASSERT(mp == NULL);
 			ASSERT(! XFS_DQ_IS_DIRTY(dqp));
-			ASSERT(dqp->HL_PREVP == NULL);
+			ASSERT(list_empty(&dqp->q_hashlist));
 			ASSERT(list_empty(&dqp->q_mplist));
 			XQM_FREELIST_REMOVE(dqp);
 			xfs_dqunlock(dqp);
@@ -2053,7 +2053,8 @@ startagain:
 		list_del_init(&dqp->q_mplist);
 		mp->m_quotainfo->qi_dquots--;
 		mp->m_quotainfo->qi_dqreclaims++;
-		XQM_HASHLIST_REMOVE(dqp->q_hash, dqp);
+		list_del_init(&dqp->q_hashlist);
+		dqp->q_hash->qh_version++;
 		XQM_FREELIST_REMOVE(dqp);
 		dqpout = dqp;
 		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index c54fa7790bd..c82e319f9df 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -932,6 +932,7 @@ struct mutex  qcheck_lock;
 
 typedef struct dqtest {
 	xfs_dqmarker_t	q_lists;
+	struct list_head q_hashlist;
 	xfs_dqhash_t	*q_hash;	/* the hashchain header */
 	xfs_mount_t	*q_mount;	/* filesystem this relates to */
 	xfs_dqid_t	d_id;		/* user id or group id */
@@ -942,14 +943,9 @@ typedef struct dqtest {
 STATIC void
 xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp)
 {
-	xfs_dquot_t *d;
-	if (((d) = (h)->qh_next))
-		(d)->HL_PREVP = &((dqp)->HL_NEXT);
-	(dqp)->HL_NEXT = d;
-	(dqp)->HL_PREVP = &((h)->qh_next);
-	(h)->qh_next = (xfs_dquot_t *)dqp;
-	(h)->qh_version++;
-	(h)->qh_nelems++;
+	list_add(&dqp->q_hashlist, &h->qh_list);
+	h->qh_version++;
+	h->qh_nelems++;
 }
 STATIC void
 xfs_qm_dqtest_print(
@@ -1061,9 +1057,7 @@ xfs_qm_internalqcheck_dqget(
 	xfs_dqhash_t	*h;
 
 	h = DQTEST_HASH(mp, id, type);
-	for (d = (xfs_dqtest_t *) h->qh_next; d != NULL;
-	     d = (xfs_dqtest_t *) d->HL_NEXT) {
-		/* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */
+	list_for_each_entry(d, &h->qh_list, q_hashlist) {
 		if (d->d_id == id && mp == d->q_mount) {
 			*O_dq = d;
 			return (0);
@@ -1074,6 +1068,7 @@ xfs_qm_internalqcheck_dqget(
 	d->d_id = id;
 	d->q_mount = mp;
 	d->q_hash = h;
+	INIT_LIST_HEAD(&d->q_hashlist);
 	xfs_qm_hashinsert(h, d);
 	*O_dq = d;
 	return (0);
@@ -1180,8 +1175,6 @@ xfs_qm_internalqcheck(
 	xfs_ino_t	lastino;
 	int		done, count;
 	int		i;
-	xfs_dqtest_t	*d, *e;
-	xfs_dqhash_t	*h1;
 	int		error;
 
 	lastino = 0;
@@ -1221,19 +1214,18 @@ xfs_qm_internalqcheck(
 	}
 	cmn_err(CE_DEBUG, "Checking results against system dquots");
 	for (i = 0; i < qmtest_hashmask; i++) {
-		h1 = &qmtest_udqtab[i];
-		for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
+		xfs_dqtest_t	*d, *n;
+		xfs_dqhash_t	*h;
+
+		h = &qmtest_udqtab[i];
+		list_for_each_entry_safe(d, n, &h->qh_list, q_hashlist) {
 			xfs_dqtest_cmp(d);
-			e = (xfs_dqtest_t *) d->HL_NEXT;
 			kmem_free(d);
-			d = e;
 		}
-		h1 = &qmtest_gdqtab[i];
-		for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
+		h = &qmtest_gdqtab[i];
+		list_for_each_entry_safe(d, n, &h->qh_list, q_hashlist) {
 			xfs_dqtest_cmp(d);
-			e = (xfs_dqtest_t *) d->HL_NEXT;
 			kmem_free(d);
-			d = e;
 		}
 	}
 
diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/quota/xfs_quota_priv.h
index 6f4bbae51ac..3a1b9aa763f 100644
--- a/fs/xfs/quota/xfs_quota_priv.h
+++ b/fs/xfs/quota/xfs_quota_priv.h
@@ -72,46 +72,13 @@
 	!dqp->q_core.d_rtbcount && \
 	!dqp->q_core.d_icount)
 
-#define HL_PREVP	dq_hashlist.ql_prevp
-#define HL_NEXT		dq_hashlist.ql_next
-
-
-#define _LIST_REMOVE(h, dqp, PVP, NXT)				\
-	{							\
-		 xfs_dquot_t *d;				\
-		 if (((d) = (dqp)->NXT))				\
-			 (d)->PVP = (dqp)->PVP;			\
-		 *((dqp)->PVP) = d;				\
-		 (dqp)->NXT = NULL;				\
-		 (dqp)->PVP = NULL;				\
-		 (h)->qh_version++;				\
-		 (h)->qh_nelems--;				\
-	}
-
-#define _LIST_INSERT(h, dqp, PVP, NXT)				\
-	{							\
-		 xfs_dquot_t *d;				\
-		 if (((d) = (h)->qh_next))			\
-			 (d)->PVP = &((dqp)->NXT);		\
-		 (dqp)->NXT = d;				\
-		 (dqp)->PVP = &((h)->qh_next);			\
-		 (h)->qh_next = dqp;				\
-		 (h)->qh_version++;				\
-		 (h)->qh_nelems++;				\
-	 }
-
 #define FOREACH_DQUOT_IN_FREELIST(dqp, qlist)	\
 for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
      (dqp) = (dqp)->dq_flnext)
 
-#define XQM_HASHLIST_INSERT(h, dqp)	\
-	 _LIST_INSERT(h, dqp, HL_PREVP, HL_NEXT)
-
 #define XQM_FREELIST_INSERT(h, dqp)	\
 	 xfs_qm_freelist_append(h, dqp)
 
-#define XQM_HASHLIST_REMOVE(h, dqp)	\
-	 _LIST_REMOVE(h, dqp, HL_PREVP, HL_NEXT)
 #define XQM_FREELIST_REMOVE(dqp)	\
 	 xfs_qm_freelist_unlink(dqp)
 

From 3a8406f6d6916e8211936edb9e1193123df2daab Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 13 Apr 2010 15:06:52 +1000
Subject: [PATCH 2194/3638] xfs: convert the dquot free list to use list heads

Convert the dquot free list on the filesystem to use listhead
infrastructure rather than the roll-your-own in the quota code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/quota/xfs_dquot.c      |  75 +++++++++------------
 fs/xfs/quota/xfs_dquot.h      |   5 +-
 fs/xfs/quota/xfs_qm.c         | 119 ++++++++++------------------------
 fs/xfs/quota/xfs_qm.h         |  19 +-----
 fs/xfs/quota/xfs_qm_stats.c   |   2 +-
 fs/xfs/quota/xfs_quota_priv.h |  17 -----
 6 files changed, 72 insertions(+), 165 deletions(-)

diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index ad64ab62d9c..02dac0a5f1e 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -101,7 +101,7 @@ xfs_qm_dqinit(
 	 * No need to re-initialize these if this is a reclaimed dquot.
 	 */
 	if (brandnewdquot) {
-		dqp->dq_flnext = dqp->dq_flprev = dqp;
+		INIT_LIST_HEAD(&dqp->q_freelist);
 		mutex_init(&dqp->q_qlock);
 		init_waitqueue_head(&dqp->q_pinwait);
 
@@ -119,20 +119,20 @@ xfs_qm_dqinit(
 		 * Only the q_core portion was zeroed in dqreclaim_one().
 		 * So, we need to reset others.
 		 */
-		 dqp->q_nrefs = 0;
-		 dqp->q_blkno = 0;
-		 INIT_LIST_HEAD(&dqp->q_mplist);
-		 INIT_LIST_HEAD(&dqp->q_hashlist);
-		 dqp->q_bufoffset = 0;
-		 dqp->q_fileoffset = 0;
-		 dqp->q_transp = NULL;
-		 dqp->q_gdquot = NULL;
-		 dqp->q_res_bcount = 0;
-		 dqp->q_res_icount = 0;
-		 dqp->q_res_rtbcount = 0;
-		 atomic_set(&dqp->q_pincount, 0);
-		 dqp->q_hash = NULL;
-		 ASSERT(dqp->dq_flnext == dqp->dq_flprev);
+		dqp->q_nrefs = 0;
+		dqp->q_blkno = 0;
+		INIT_LIST_HEAD(&dqp->q_mplist);
+		INIT_LIST_HEAD(&dqp->q_hashlist);
+		dqp->q_bufoffset = 0;
+		dqp->q_fileoffset = 0;
+		dqp->q_transp = NULL;
+		dqp->q_gdquot = NULL;
+		dqp->q_res_bcount = 0;
+		dqp->q_res_icount = 0;
+		dqp->q_res_rtbcount = 0;
+		atomic_set(&dqp->q_pincount, 0);
+		dqp->q_hash = NULL;
+		ASSERT(list_empty(&dqp->q_freelist));
 
 		trace_xfs_dqreuse(dqp);
 	}
@@ -158,7 +158,7 @@ void
 xfs_qm_dqdestroy(
 	xfs_dquot_t	*dqp)
 {
-	ASSERT(! XFS_DQ_IS_ON_FREELIST(dqp));
+	ASSERT(list_empty(&dqp->q_freelist));
 
 	mutex_destroy(&dqp->q_qlock);
 	sv_destroy(&dqp->q_pinwait);
@@ -775,8 +775,8 @@ xfs_qm_dqlookup(
 
 			xfs_dqlock(dqp);
 			if (dqp->q_nrefs == 0) {
-				ASSERT (XFS_DQ_IS_ON_FREELIST(dqp));
-				if (! xfs_qm_freelist_lock_nowait(xfs_Gqm)) {
+				ASSERT(!list_empty(&dqp->q_freelist));
+				if (!mutex_trylock(&xfs_Gqm->qm_dqfrlist_lock)) {
 					trace_xfs_dqlookup_want(dqp);
 
 					/*
@@ -786,7 +786,7 @@ xfs_qm_dqlookup(
 					 */
 					dqp->dq_flags |= XFS_DQ_WANT;
 					xfs_dqunlock(dqp);
-					xfs_qm_freelist_lock(xfs_Gqm);
+					mutex_lock(&xfs_Gqm->qm_dqfrlist_lock);
 					xfs_dqlock(dqp);
 					dqp->dq_flags &= ~(XFS_DQ_WANT);
 				}
@@ -801,27 +801,20 @@ xfs_qm_dqlookup(
 
 			if (flist_locked) {
 				if (dqp->q_nrefs != 0) {
-					xfs_qm_freelist_unlock(xfs_Gqm);
+					mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
 					flist_locked = B_FALSE;
 				} else {
-					/*
-					 * take it off the freelist
-					 */
+					/* take it off the freelist */
 					trace_xfs_dqlookup_freelist(dqp);
-					XQM_FREELIST_REMOVE(dqp);
-					/* xfs_qm_freelist_print(&(xfs_Gqm->
-							qm_dqfreelist),
-							"after removal"); */
+					list_del_init(&dqp->q_freelist);
+					xfs_Gqm->qm_dqfrlist_cnt--;
 				}
 			}
 
-			/*
-			 * grab a reference
-			 */
 			XFS_DQHOLD(dqp);
 
 			if (flist_locked)
-				xfs_qm_freelist_unlock(xfs_Gqm);
+				mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
 			/*
 			 * move the dquot to the front of the hashchain
 			 */
@@ -1075,10 +1068,10 @@ xfs_qm_dqput(
 	 * drop the dqlock and acquire the freelist and dqlock
 	 * in the right order; but try to get it out-of-order first
 	 */
-	if (! xfs_qm_freelist_lock_nowait(xfs_Gqm)) {
+	if (!mutex_trylock(&xfs_Gqm->qm_dqfrlist_lock)) {
 		trace_xfs_dqput_wait(dqp);
 		xfs_dqunlock(dqp);
-		xfs_qm_freelist_lock(xfs_Gqm);
+		mutex_lock(&xfs_Gqm->qm_dqfrlist_lock);
 		xfs_dqlock(dqp);
 	}
 
@@ -1089,10 +1082,8 @@ xfs_qm_dqput(
 		if (--dqp->q_nrefs == 0) {
 			trace_xfs_dqput_free(dqp);
 
-			/*
-			 * insert at end of the freelist.
-			 */
-			XQM_FREELIST_INSERT(&(xfs_Gqm->qm_dqfreelist), dqp);
+			list_add_tail(&dqp->q_freelist, &xfs_Gqm->qm_dqfrlist);
+			xfs_Gqm->qm_dqfrlist_cnt++;
 
 			/*
 			 * If we just added a udquot to the freelist, then
@@ -1107,10 +1098,6 @@ xfs_qm_dqput(
 				xfs_dqlock(gdqp);
 				dqp->q_gdquot = NULL;
 			}
-
-			/* xfs_qm_freelist_print(&(xfs_Gqm->qm_dqfreelist),
-			   "@@@@@++ Free list (after append) @@@@@+");
-			   */
 		}
 		xfs_dqunlock(dqp);
 
@@ -1122,7 +1109,7 @@ xfs_qm_dqput(
 			break;
 		dqp = gdqp;
 	}
-	xfs_qm_freelist_unlock(xfs_Gqm);
+	mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
 }
 
 /*
@@ -1396,7 +1383,7 @@ xfs_qm_dqpurge(
 		return (1);
 	}
 
-	ASSERT(XFS_DQ_IS_ON_FREELIST(dqp));
+	ASSERT(!list_empty(&dqp->q_freelist));
 
 	/*
 	 * If we're turning off quotas, we have to make sure that, for
@@ -1450,7 +1437,7 @@ xfs_qm_dqpurge(
 	 * XXX Move this to the front of the freelist, if we can get the
 	 * freelist lock.
 	 */
-	ASSERT(XFS_DQ_IS_ON_FREELIST(dqp));
+	ASSERT(!list_empty(&dqp->q_freelist));
 
 	dqp->q_mount = NULL;
 	dqp->q_hash = NULL;
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index 169b3c24af7..56fb21d81bc 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -50,8 +50,6 @@ struct xfs_trans;
  * iterations because of locking considerations.
  */
 typedef struct xfs_dqmarker {
-	struct xfs_dquot*dqm_flnext;	/* link to freelist: must be first */
-	struct xfs_dquot*dqm_flprev;
 	uint		 dqm_flags;	/* various flags (XFS_DQ_*) */
 } xfs_dqmarker_t;
 
@@ -60,8 +58,9 @@ typedef struct xfs_dqmarker {
  */
 typedef struct xfs_dquot {
 	xfs_dqmarker_t	 q_lists;	/* list ptrs, q_flags (marker) */
+	struct list_head q_freelist;	/* global free list of dquots */
 	struct list_head q_mplist;	/* mount's list of dquots */
-	struct list_head q_hashlist;	/* mount's list of dquots */
+	struct list_head q_hashlist;	/* gloabl hash list of dquots */
 	xfs_dqhash_t	*q_hash;	/* the hashchain header */
 	struct xfs_mount*q_mount;	/* filesystem this relates to */
 	struct xfs_trans*q_transp;	/* trans this belongs to currently */
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 08e97f1ef65..c40ca94e23e 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -67,9 +67,6 @@ static cred_t	xfs_zerocr;
 STATIC void	xfs_qm_list_init(xfs_dqlist_t *, char *, int);
 STATIC void	xfs_qm_list_destroy(xfs_dqlist_t *);
 
-STATIC void	xfs_qm_freelist_init(xfs_frlist_t *);
-STATIC void	xfs_qm_freelist_destroy(xfs_frlist_t *);
-
 STATIC int	xfs_qm_init_quotainos(xfs_mount_t *);
 STATIC int	xfs_qm_init_quotainfo(xfs_mount_t *);
 STATIC int	xfs_qm_shake(int, gfp_t);
@@ -148,7 +145,9 @@ xfs_Gqm_init(void)
 	/*
 	 * Freelist of all dquots of all file systems
 	 */
-	xfs_qm_freelist_init(&(xqm->qm_dqfreelist));
+	INIT_LIST_HEAD(&xqm->qm_dqfrlist);
+	xqm->qm_dqfrlist_cnt = 0;
+	mutex_init(&xqm->qm_dqfrlist_lock);
 
 	/*
 	 * dquot zone. we register our own low-memory callback.
@@ -193,6 +192,7 @@ STATIC void
 xfs_qm_destroy(
 	struct xfs_qm	*xqm)
 {
+	struct xfs_dquot *dqp, *n;
 	int		hsize, i;
 
 	ASSERT(xqm != NULL);
@@ -208,7 +208,21 @@ xfs_qm_destroy(
 	xqm->qm_usr_dqhtable = NULL;
 	xqm->qm_grp_dqhtable = NULL;
 	xqm->qm_dqhashmask = 0;
-	xfs_qm_freelist_destroy(&(xqm->qm_dqfreelist));
+
+	/* frlist cleanup */
+	mutex_lock(&xqm->qm_dqfrlist_lock);
+	list_for_each_entry_safe(dqp, n, &xqm->qm_dqfrlist, q_freelist) {
+		xfs_dqlock(dqp);
+#ifdef QUOTADEBUG
+		cmn_err(CE_DEBUG, "FREELIST destroy 0x%p", dqp);
+#endif
+		list_del_init(&dqp->q_freelist);
+		xfs_Gqm->qm_dqfrlist_cnt--;
+		xfs_dqunlock(dqp);
+		xfs_qm_dqdestroy(dqp);
+	}
+	mutex_unlock(&xqm->qm_dqfrlist_lock);
+	mutex_destroy(&xqm->qm_dqfrlist_lock);
 #ifdef DEBUG
 	mutex_destroy(&qcheck_lock);
 #endif
@@ -260,7 +274,7 @@ STATIC void
 xfs_qm_rele_quotafs_ref(
 	struct xfs_mount *mp)
 {
-	xfs_dquot_t	*dqp, *nextdqp;
+	xfs_dquot_t	*dqp, *n;
 
 	ASSERT(xfs_Gqm);
 	ASSERT(xfs_Gqm->qm_nrefs > 0);
@@ -268,26 +282,24 @@ xfs_qm_rele_quotafs_ref(
 	/*
 	 * Go thru the freelist and destroy all inactive dquots.
 	 */
-	xfs_qm_freelist_lock(xfs_Gqm);
+	mutex_lock(&xfs_Gqm->qm_dqfrlist_lock);
 
-	for (dqp = xfs_Gqm->qm_dqfreelist.qh_next;
-	     dqp != (xfs_dquot_t *)&(xfs_Gqm->qm_dqfreelist); ) {
+	list_for_each_entry_safe(dqp, n, &xfs_Gqm->qm_dqfrlist, q_freelist) {
 		xfs_dqlock(dqp);
-		nextdqp = dqp->dq_flnext;
 		if (dqp->dq_flags & XFS_DQ_INACTIVE) {
 			ASSERT(dqp->q_mount == NULL);
 			ASSERT(! XFS_DQ_IS_DIRTY(dqp));
 			ASSERT(list_empty(&dqp->q_hashlist));
 			ASSERT(list_empty(&dqp->q_mplist));
-			XQM_FREELIST_REMOVE(dqp);
+			list_del_init(&dqp->q_freelist);
+			xfs_Gqm->qm_dqfrlist_cnt--;
 			xfs_dqunlock(dqp);
 			xfs_qm_dqdestroy(dqp);
 		} else {
 			xfs_dqunlock(dqp);
 		}
-		dqp = nextdqp;
 	}
-	xfs_qm_freelist_unlock(xfs_Gqm);
+	mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
 
 	/*
 	 * Destroy the entire XQM. If somebody mounts with quotaon, this'll
@@ -1943,9 +1955,9 @@ xfs_qm_dqreclaim_one(void)
 
 	/* lockorder: hashchainlock, freelistlock, mplistlock, dqlock, dqflock */
 startagain:
-	xfs_qm_freelist_lock(xfs_Gqm);
+	mutex_lock(&xfs_Gqm->qm_dqfrlist_lock);
 
-	FOREACH_DQUOT_IN_FREELIST(dqp, &(xfs_Gqm->qm_dqfreelist)) {
+	list_for_each_entry(dqp, &xfs_Gqm->qm_dqfrlist, q_freelist) {
 		struct xfs_mount *mp = dqp->q_mount;
 		xfs_dqlock(dqp);
 
@@ -1961,7 +1973,7 @@ startagain:
 			trace_xfs_dqreclaim_want(dqp);
 
 			xfs_dqunlock(dqp);
-			xfs_qm_freelist_unlock(xfs_Gqm);
+			mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
 			if (++restarts >= XFS_QM_RECLAIM_MAX_RESTARTS)
 				return NULL;
 			XQM_STATS_INC(xqmstats.xs_qm_dqwants);
@@ -1978,7 +1990,8 @@ startagain:
 			ASSERT(! XFS_DQ_IS_DIRTY(dqp));
 			ASSERT(list_empty(&dqp->q_hashlist));
 			ASSERT(list_empty(&dqp->q_mplist));
-			XQM_FREELIST_REMOVE(dqp);
+			list_del_init(&dqp->q_freelist);
+			xfs_Gqm->qm_dqfrlist_cnt--;
 			xfs_dqunlock(dqp);
 			dqpout = dqp;
 			XQM_STATS_INC(xqmstats.xs_qm_dqinact_reclaims);
@@ -2043,7 +2056,7 @@ startagain:
 			mutex_unlock(&dqp->q_hash->qh_lock);
 			xfs_dqfunlock(dqp);
 			xfs_dqunlock(dqp);
-			xfs_qm_freelist_unlock(xfs_Gqm);
+			mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
 			if (restarts++ >= XFS_QM_RECLAIM_MAX_RESTARTS)
 				return NULL;
 			goto startagain;
@@ -2055,7 +2068,8 @@ startagain:
 		mp->m_quotainfo->qi_dqreclaims++;
 		list_del_init(&dqp->q_hashlist);
 		dqp->q_hash->qh_version++;
-		XQM_FREELIST_REMOVE(dqp);
+		list_del_init(&dqp->q_freelist);
+		xfs_Gqm->qm_dqfrlist_cnt--;
 		dqpout = dqp;
 		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
 		mutex_unlock(&dqp->q_hash->qh_lock);
@@ -2067,7 +2081,7 @@ dqfunlock:
 		if (restarts >= XFS_QM_RECLAIM_MAX_RESTARTS)
 			return NULL;
 	}
-	xfs_qm_freelist_unlock(xfs_Gqm);
+	mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
 	return dqpout;
 }
 
@@ -2110,7 +2124,7 @@ xfs_qm_shake(int nr_to_scan, gfp_t gfp_mask)
 	if (!xfs_Gqm)
 		return 0;
 
-	nfree = xfs_Gqm->qm_dqfreelist.qh_nelems; /* free dquots */
+	nfree = xfs_Gqm->qm_dqfrlist_cnt; /* free dquots */
 	/* incore dquots in all f/s's */
 	ndqused = atomic_read(&xfs_Gqm->qm_totaldquots) - nfree;
 
@@ -2550,66 +2564,3 @@ xfs_qm_vop_create_dqattach(
 	}
 }
 
-/* ------------- list stuff -----------------*/
-STATIC void
-xfs_qm_freelist_init(xfs_frlist_t *ql)
-{
-	ql->qh_next = ql->qh_prev = (xfs_dquot_t *) ql;
-	mutex_init(&ql->qh_lock);
-	ql->qh_version = 0;
-	ql->qh_nelems = 0;
-}
-
-STATIC void
-xfs_qm_freelist_destroy(xfs_frlist_t *ql)
-{
-	xfs_dquot_t	*dqp, *nextdqp;
-
-	mutex_lock(&ql->qh_lock);
-	for (dqp = ql->qh_next;
-	     dqp != (xfs_dquot_t *)ql; ) {
-		xfs_dqlock(dqp);
-		nextdqp = dqp->dq_flnext;
-#ifdef QUOTADEBUG
-		cmn_err(CE_DEBUG, "FREELIST destroy 0x%p", dqp);
-#endif
-		XQM_FREELIST_REMOVE(dqp);
-		xfs_dqunlock(dqp);
-		xfs_qm_dqdestroy(dqp);
-		dqp = nextdqp;
-	}
-	mutex_unlock(&ql->qh_lock);
-	mutex_destroy(&ql->qh_lock);
-
-	ASSERT(ql->qh_nelems == 0);
-}
-
-STATIC void
-xfs_qm_freelist_insert(xfs_frlist_t *ql, xfs_dquot_t *dq)
-{
-	dq->dq_flnext = ql->qh_next;
-	dq->dq_flprev = (xfs_dquot_t *)ql;
-	ql->qh_next = dq;
-	dq->dq_flnext->dq_flprev = dq;
-	xfs_Gqm->qm_dqfreelist.qh_nelems++;
-	xfs_Gqm->qm_dqfreelist.qh_version++;
-}
-
-void
-xfs_qm_freelist_unlink(xfs_dquot_t *dq)
-{
-	xfs_dquot_t *next = dq->dq_flnext;
-	xfs_dquot_t *prev = dq->dq_flprev;
-
-	next->dq_flprev = prev;
-	prev->dq_flnext = next;
-	dq->dq_flnext = dq->dq_flprev = dq;
-	xfs_Gqm->qm_dqfreelist.qh_nelems--;
-	xfs_Gqm->qm_dqfreelist.qh_version++;
-}
-
-void
-xfs_qm_freelist_append(xfs_frlist_t *ql, xfs_dquot_t *dq)
-{
-	xfs_qm_freelist_insert((xfs_frlist_t *)ql->qh_prev, dq);
-}
diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h
index 91bd053e90b..c9446f1c726 100644
--- a/fs/xfs/quota/xfs_qm.h
+++ b/fs/xfs/quota/xfs_qm.h
@@ -72,17 +72,6 @@ extern kmem_zone_t	*qm_dqtrxzone;
 #define XFS_QM_MAX_DQCLUSTER_LOGSZ	3
 
 typedef xfs_dqhash_t	xfs_dqlist_t;
-/*
- * The freelist head. The first two fields match the first two in the
- * xfs_dquot_t structure (in xfs_dqmarker_t)
- */
-typedef struct xfs_frlist {
-       struct xfs_dquot *qh_next;
-       struct xfs_dquot *qh_prev;
-       struct mutex	 qh_lock;
-       uint		 qh_version;
-       uint		 qh_nelems;
-} xfs_frlist_t;
 
 /*
  * Quota Manager (global) structure. Lives only in core.
@@ -91,7 +80,9 @@ typedef struct xfs_qm {
 	xfs_dqlist_t	*qm_usr_dqhtable;/* udquot hash table */
 	xfs_dqlist_t	*qm_grp_dqhtable;/* gdquot hash table */
 	uint		 qm_dqhashmask;	 /* # buckets in dq hashtab - 1 */
-	xfs_frlist_t	 qm_dqfreelist;	 /* freelist of dquots */
+	struct list_head qm_dqfrlist;	 /* freelist of dquots */
+	struct mutex	 qm_dqfrlist_lock;
+	int		 qm_dqfrlist_cnt;
 	atomic_t	 qm_totaldquots; /* total incore dquots */
 	uint		 qm_nrefs;	 /* file systems with quota on */
 	int		 qm_dqfree_ratio;/* ratio of free to inuse dquots */
@@ -177,10 +168,6 @@ extern int		xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *);
 extern int		xfs_qm_scall_quotaon(xfs_mount_t *, uint);
 extern int		xfs_qm_scall_quotaoff(xfs_mount_t *, uint);
 
-/* list stuff */
-extern void		xfs_qm_freelist_append(xfs_frlist_t *, xfs_dquot_t *);
-extern void		xfs_qm_freelist_unlink(xfs_dquot_t *);
-
 #ifdef DEBUG
 extern int		xfs_qm_internalqcheck(xfs_mount_t *);
 #else
diff --git a/fs/xfs/quota/xfs_qm_stats.c b/fs/xfs/quota/xfs_qm_stats.c
index 83e7ea3e25f..3d1fc79532e 100644
--- a/fs/xfs/quota/xfs_qm_stats.c
+++ b/fs/xfs/quota/xfs_qm_stats.c
@@ -55,7 +55,7 @@ static int xqm_proc_show(struct seq_file *m, void *v)
 			ndquot,
 			xfs_Gqm? atomic_read(&xfs_Gqm->qm_totaldquots) : 0,
 			xfs_Gqm? xfs_Gqm->qm_dqfree_ratio : 0,
-			xfs_Gqm? xfs_Gqm->qm_dqfreelist.qh_nelems : 0);
+			xfs_Gqm? xfs_Gqm->qm_dqfrlist_cnt : 0);
 	return 0;
 }
 
diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/quota/xfs_quota_priv.h
index 3a1b9aa763f..3eeee2e591d 100644
--- a/fs/xfs/quota/xfs_quota_priv.h
+++ b/fs/xfs/quota/xfs_quota_priv.h
@@ -40,13 +40,6 @@
 #define XFS_QI_IWARNLIMIT(mp)	((mp)->m_quotainfo->qi_iwarnlimit)
 #define XFS_QI_QOFFLOCK(mp)	((mp)->m_quotainfo->qi_quotaofflock)
 
-#define xfs_qm_freelist_lock(qm) \
-	mutex_lock(&((qm)->qm_dqfreelist.qh_lock))
-#define xfs_qm_freelist_lock_nowait(qm) \
-	mutex_trylock(&((qm)->qm_dqfreelist.qh_lock))
-#define xfs_qm_freelist_unlock(qm) \
-	mutex_unlock(&((qm)->qm_dqfreelist.qh_lock))
-
 /*
  * Hash into a bucket in the dquot hash table, based on <mp, id>.
  */
@@ -72,16 +65,6 @@
 	!dqp->q_core.d_rtbcount && \
 	!dqp->q_core.d_icount)
 
-#define FOREACH_DQUOT_IN_FREELIST(dqp, qlist)	\
-for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
-     (dqp) = (dqp)->dq_flnext)
-
-#define XQM_FREELIST_INSERT(h, dqp)	\
-	 xfs_qm_freelist_append(h, dqp)
-
-#define XQM_FREELIST_REMOVE(dqp)	\
-	 xfs_qm_freelist_unlink(dqp)
-
 #define XFS_DQ_IS_LOGITEM_INITD(dqp)	((dqp)->q_logitem.qli_dquot == (dqp))
 
 #define XFS_QM_DQP_TO_DQACCT(tp, dqp)	(XFS_QM_ISUDQ(dqp) ? \

From 74457cf4a3e0f0634679aa6c22d967e9e8b26479 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 13 Apr 2010 15:06:53 +1000
Subject: [PATCH 2195/3638] xfs: remove xfs_dqmarker

The xfs_dqmarker structure does not need to exist anymore. Move the
remaining flags field out of it and remove the structure altogether.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/quota/xfs_dquot.h       | 21 +--------------------
 fs/xfs/quota/xfs_qm_syscalls.c |  2 +-
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index 56fb21d81bc..5da3a23b820 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -42,22 +42,11 @@ typedef struct xfs_dqhash {
 struct xfs_mount;
 struct xfs_trans;
 
-/*
- * This is the marker which is designed to occupy the first few
- * bytes of the xfs_dquot_t structure. Even inside this, the freelist pointers
- * must come first.
- * This serves as the marker ("sentinel") when we have to restart list
- * iterations because of locking considerations.
- */
-typedef struct xfs_dqmarker {
-	uint		 dqm_flags;	/* various flags (XFS_DQ_*) */
-} xfs_dqmarker_t;
-
 /*
  * The incore dquot structure
  */
 typedef struct xfs_dquot {
-	xfs_dqmarker_t	 q_lists;	/* list ptrs, q_flags (marker) */
+	uint		 dq_flags;	/* various flags (XFS_DQ_*) */
 	struct list_head q_freelist;	/* global free list of dquots */
 	struct list_head q_mplist;	/* mount's list of dquots */
 	struct list_head q_hashlist;	/* gloabl hash list of dquots */
@@ -81,13 +70,6 @@ typedef struct xfs_dquot {
 	wait_queue_head_t q_pinwait;	/* dquot pinning wait queue */
 } xfs_dquot_t;
 
-
-#define dq_flnext	q_lists.dqm_flnext
-#define dq_flprev	q_lists.dqm_flprev
-#define dq_mplist	q_lists.dqm_mplist
-#define dq_hashlist	q_lists.dqm_hashlist
-#define dq_flags	q_lists.dqm_flags
-
 /*
  * Lock hierarchy for q_qlock:
  *	XFS_QLOCK_NORMAL is the implicit default,
@@ -121,7 +103,6 @@ static inline void xfs_dqfunlock(xfs_dquot_t *dqp)
 }
 
 #define XFS_DQ_IS_LOCKED(dqp)	(mutex_is_locked(&((dqp)->q_qlock)))
-#define XFS_DQ_IS_ON_FREELIST(dqp)  ((dqp)->dq_flnext != (dqp))
 #define XFS_DQ_IS_DIRTY(dqp)	((dqp)->dq_flags & XFS_DQ_DIRTY)
 #define XFS_QM_ISUDQ(dqp)	((dqp)->dq_flags & XFS_DQ_USER)
 #define XFS_QM_ISPDQ(dqp)	((dqp)->dq_flags & XFS_DQ_PROJ)
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index c82e319f9df..45337440672 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -931,7 +931,7 @@ struct mutex  qcheck_lock;
 }
 
 typedef struct dqtest {
-	xfs_dqmarker_t	q_lists;
+	uint		 dq_flags;	/* various flags (XFS_DQ_*) */
 	struct list_head q_hashlist;
 	xfs_dqhash_t	*q_hash;	/* the hashchain header */
 	xfs_mount_t	*q_mount;	/* filesystem this relates to */

From a0e856b0b4d182c4c52b568bd04bd96a172247a7 Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Tue, 13 Apr 2010 15:22:08 +1000
Subject: [PATCH 2196/3638] xfs: add const qualifiers to xfs error function
 args

Change the tag and file name arguments to xfs_error_report() and
xfs_corruption_error() to use a const qualifier.

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_error.c | 30 +++++++++++++++---------------
 fs/xfs/xfs_error.h |  9 +++++----
 2 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 92d5cd5bf4f..ef96175c074 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -186,18 +186,18 @@ xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...)
 
 void
 xfs_error_report(
-	char		*tag,
-	int		level,
-	xfs_mount_t	*mp,
-	char		*fname,
-	int		linenum,
-	inst_t		*ra)
+	const char		*tag,
+	int			level,
+	struct xfs_mount	*mp,
+	const char		*filename,
+	int			linenum,
+	inst_t			*ra)
 {
 	if (level <= xfs_error_level) {
 		xfs_cmn_err(XFS_PTAG_ERROR_REPORT,
 			    CE_ALERT, mp,
 		"XFS internal error %s at line %d of file %s.  Caller 0x%p\n",
-			    tag, linenum, fname, ra);
+			    tag, linenum, filename, ra);
 
 		xfs_stack_trace();
 	}
@@ -205,15 +205,15 @@ xfs_error_report(
 
 void
 xfs_corruption_error(
-	char		*tag,
-	int		level,
-	xfs_mount_t	*mp,
-	void		*p,
-	char		*fname,
-	int		linenum,
-	inst_t		*ra)
+	const char		*tag,
+	int			level,
+	struct xfs_mount	*mp,
+	void			*p,
+	const char		*filename,
+	int			linenum,
+	inst_t			*ra)
 {
 	if (level <= xfs_error_level)
 		xfs_hex_dump(p, 16);
-	xfs_error_report(tag, level, mp, fname, linenum, ra);
+	xfs_error_report(tag, level, mp, filename, linenum, ra);
 }
diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h
index 0c93051c465..c2c1a072bb8 100644
--- a/fs/xfs/xfs_error.h
+++ b/fs/xfs/xfs_error.h
@@ -29,10 +29,11 @@ extern int	xfs_error_trap(int);
 
 struct xfs_mount;
 
-extern void xfs_error_report(char *tag, int level, struct xfs_mount *mp,
-				char *fname, int linenum, inst_t *ra);
-extern void xfs_corruption_error(char *tag, int level, struct xfs_mount *mp,
-				void *p, char *fname, int linenum, inst_t *ra);
+extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
+			const char *filename, int linenum, inst_t *ra);
+extern void xfs_corruption_error(const char *tag, int level,
+			struct xfs_mount *mp, void *p, const char *filename,
+			int linenum, inst_t *ra);
 
 #define	XFS_ERROR_REPORT(e, lvl, mp)	\
 	xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)

From 6881a229f66f74e4e0a73504389695213987955b Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Tue, 13 Apr 2010 15:22:29 +1000
Subject: [PATCH 2197/3638] xfs: fix min bufsize bugs in two places

This fixes a bug in two places that I found by inspection.  In
xlog_find_verify_cycle() and xlog_write_log_records(), the code
attempts to allocate a buffer to hold as many blocks as possible.
It gives up if the number of blocks to be allocated gets too small.
Right now it uses log->l_sectbb_log as that lower bound, but I'm
sure it's supposed to be the actual log sector size instead.  That
is, the lower bound should be (1 << log->l_sectbb_log).

Also define a simple macro xlog_sectbb(log) to represent the number
of basic blocks in a sector for the given log.

(No change from original submission; I have implemented Christoph's
suggestion about storing l_sectsize rather than l_sectbb_log in
a new, separate patch in this series.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_log_recover.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index f21eb8ad2d9..0d81a909255 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -66,6 +66,9 @@ STATIC void	xlog_recover_check_summary(xlog_t *);
 	((bbs + (log)->l_sectbb_mask + 1) & ~(log)->l_sectbb_mask) : (bbs) )
 #define XLOG_SECTOR_ROUNDDOWN_BLKNO(log, bno)	((bno) & ~(log)->l_sectbb_mask)
 
+/* Number of basic blocks in a log sector */
+#define xlog_sectbb(log) (1 << (log)->l_sectbb_log)
+
 STATIC xfs_buf_t *
 xlog_get_bp(
 	xlog_t		*log,
@@ -376,12 +379,16 @@ xlog_find_verify_cycle(
 	xfs_caddr_t	buf = NULL;
 	int		error = 0;
 
+	/*
+	 * Greedily allocate a buffer big enough to handle the full
+	 * range of basic blocks we'll be examining.  If that fails,
+	 * try a smaller size.  We need to be able to read at least
+	 * a log sector, or we're out of luck.
+	 */
 	bufblks = 1 << ffs(nbblks);
-
 	while (!(bp = xlog_get_bp(log, bufblks))) {
-		/* can't get enough memory to do everything in one big buffer */
 		bufblks >>= 1;
-		if (bufblks <= log->l_sectbb_log)
+		if (bufblks < xlog_sectbb(log))
 			return ENOMEM;
 	}
 
@@ -1158,10 +1165,16 @@ xlog_write_log_records(
 	int		error = 0;
 	int		i, j = 0;
 
+	/*
+	 * Greedily allocate a buffer big enough to handle the full
+	 * range of basic blocks to be written.  If that fails, try
+	 * a smaller size.  We need to be able to write at least a
+	 * log sector, or we're out of luck.
+	 */
 	bufblks = 1 << ffs(blocks);
 	while (!(bp = xlog_get_bp(log, bufblks))) {
 		bufblks >>= 1;
-		if (bufblks <= log->l_sectbb_log)
+		if (bufblks < xlog_sectbb(log))
 			return ENOMEM;
 	}
 

From 8511998baaf541710f457315958cef0d0a7864a1 Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Tue, 13 Apr 2010 15:22:40 +1000
Subject: [PATCH 2198/3638] xfs: simplify XLOG_SECTOR_ROUND*()

XLOG_SECTOR_ROUNDUP_BBCOUNT() is defined in "fs/xfs/xfs_log_recover.c"
in an overly-complicated way.  It is basically roundup(), but that
is not at all clear from its definition.  (Actually, there is
another macro round_up() that applies for power-of-two-based masks
which I'll be using here.)

The operands in XLOG_SECTOR_ROUNDUP_BBCOUNT() are basically the
block number (bbs) and the log sector basic block mask
(log->l_sectbb_mask).  I'll call them B and M for this discussion.

The macro computes is value this way:
	M && (B & M) ? (B + M + 1) & ~M : B

Put another way, we can break it into 3 cases:
	1)  ! M          -> B			# 0 mask, no effect
	2)  ! (B & M)    -> B			# sector aligned
	3)  M && (B & M) -> (B + M + 1) & ~M	# round up otherwise

The round_up() macro is cleverly defined using a value, v, and a
power-of-2, p, and the result is the nearest multiple of p greater
than or equal to v.  Its value is computed something like this:
	((v - 1) | (p - 1)) + 1
Let's consider using this in the context of the 3 cases above.

When p = 2^0 = 1, the result boils down to ((v - 1) | 0) + 1, so it
just translates any value v to itself.  That handles case (1) above.

When p = 2^n, n > 0, we know that (p - 1) will be a mask with all n
bits 0..n-1 set.  The condition in this case occurs when none of
those mask bits is set in the value v provided.  If that is the
case, subtracting 1 from v will have 1's in all those lower bits (at
least).  Therefore, OR-ing the mask with that decremented value has
no effect, so adding the 1 back again will just translate the v to
itself.  This handles case (2).

Otherwise, the value v is greater than some multiple of p, and
decrementing it will produce a result greater than or equal to that
multiple.  OR-ing in the mask will produce a value 1 less than the
next multiple of p, so finally adding 1 back will result in the
desired rounded-up value.  This handles case (3).

Hopefully this is convincing.

While I was at it, I converted XLOG_SECTOR_ROUNDDOWN_BLKNO() to use
the round_down() macro.

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_log_recover.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 0d81a909255..2813a6ef15b 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -61,14 +61,13 @@ STATIC void	xlog_recover_check_summary(xlog_t *);
  * Sector aligned buffer routines for buffer create/read/write/access
  */
 
-#define XLOG_SECTOR_ROUNDUP_BBCOUNT(log, bbs)	\
-	( ((log)->l_sectbb_mask && (bbs & (log)->l_sectbb_mask)) ? \
-	((bbs + (log)->l_sectbb_mask + 1) & ~(log)->l_sectbb_mask) : (bbs) )
-#define XLOG_SECTOR_ROUNDDOWN_BLKNO(log, bno)	((bno) & ~(log)->l_sectbb_mask)
-
 /* Number of basic blocks in a log sector */
 #define xlog_sectbb(log) (1 << (log)->l_sectbb_log)
 
+#define XLOG_SECTOR_ROUNDUP_BBCOUNT(log, bbs) round_up((bbs), xlog_sectbb(log))
+#define XLOG_SECTOR_ROUNDDOWN_BLKNO(log, bno) \
+		round_down((bno), xlog_sectbb(log))
+
 STATIC xfs_buf_t *
 xlog_get_bp(
 	xlog_t		*log,

From 5c17f5339f9dfdee8ad9661e97f8030d75b6bff7 Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Tue, 13 Apr 2010 15:22:48 +1000
Subject: [PATCH 2199/3638] xfs: kill XLOG_SECTOR_ROUND*()

XLOG_SECTOR_ROUNDUP_BBCOUNT() and XLOG_SECTOR_ROUNDDOWN_BLKNO()
are now fairly simple macro translations.  Just get rid of them in
favor of the round_up() and round_down() macro calls they represent.

Also, in spots in xlog_get_bp() and xlog_write_log_records(),
round_up() was being called with value 1, which just evaluates
to the macro's second argument; so just use that instead.
In the latter case, make use of that value, as long as it's
already been computed.

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_log_recover.c | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 2813a6ef15b..0e51bdd910a 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -56,7 +56,6 @@ STATIC void	xlog_recover_check_summary(xlog_t *);
 #define	xlog_recover_check_summary(log)
 #endif
 
-
 /*
  * Sector aligned buffer routines for buffer create/read/write/access
  */
@@ -64,10 +63,6 @@ STATIC void	xlog_recover_check_summary(xlog_t *);
 /* Number of basic blocks in a log sector */
 #define xlog_sectbb(log) (1 << (log)->l_sectbb_log)
 
-#define XLOG_SECTOR_ROUNDUP_BBCOUNT(log, bbs) round_up((bbs), xlog_sectbb(log))
-#define XLOG_SECTOR_ROUNDDOWN_BLKNO(log, bno) \
-		round_down((bno), xlog_sectbb(log))
-
 STATIC xfs_buf_t *
 xlog_get_bp(
 	xlog_t		*log,
@@ -82,8 +77,8 @@ xlog_get_bp(
 
 	if (log->l_sectbb_log) {
 		if (nbblks > 1)
-			nbblks += XLOG_SECTOR_ROUNDUP_BBCOUNT(log, 1);
-		nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);
+			nbblks += xlog_sectbb(log);
+		nbblks = round_up(nbblks, xlog_sectbb(log));
 	}
 	return xfs_buf_get_noaddr(BBTOB(nbblks), log->l_mp->m_logdev_targp);
 }
@@ -134,8 +129,8 @@ xlog_bread_noalign(
 	}
 
 	if (log->l_sectbb_log) {
-		blk_no = XLOG_SECTOR_ROUNDDOWN_BLKNO(log, blk_no);
-		nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);
+		blk_no = round_down(blk_no, xlog_sectbb(log));
+		nbblks = round_up(nbblks, xlog_sectbb(log));
 	}
 
 	ASSERT(nbblks > 0);
@@ -196,8 +191,8 @@ xlog_bwrite(
 	}
 
 	if (log->l_sectbb_log) {
-		blk_no = XLOG_SECTOR_ROUNDDOWN_BLKNO(log, blk_no);
-		nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);
+		blk_no = round_down(blk_no, xlog_sectbb(log));
+		nbblks = round_up(nbblks, xlog_sectbb(log));
 	}
 
 	ASSERT(nbblks > 0);
@@ -1158,7 +1153,7 @@ xlog_write_log_records(
 	xfs_caddr_t	offset;
 	xfs_buf_t	*bp;
 	int		balign, ealign;
-	int		sectbb = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, 1);
+	int		sectbb = xlog_sectbb(log);
 	int		end_block = start_block + blocks;
 	int		bufblks;
 	int		error = 0;
@@ -1181,7 +1176,7 @@ xlog_write_log_records(
 	 * the buffer in the starting sector not covered by the first
 	 * write below.
 	 */
-	balign = XLOG_SECTOR_ROUNDDOWN_BLKNO(log, start_block);
+	balign = round_down(start_block, sectbb);
 	if (balign != start_block) {
 		error = xlog_bread_noalign(log, start_block, 1, bp);
 		if (error)
@@ -1200,7 +1195,7 @@ xlog_write_log_records(
 		 * the buffer in the final sector not covered by the write.
 		 * If this is the same sector as the above read, skip it.
 		 */
-		ealign = XLOG_SECTOR_ROUNDDOWN_BLKNO(log, end_block);
+		ealign = round_down(end_block, sectbb);
 		if (j == 0 && (start_block + endcount > ealign)) {
 			offset = XFS_BUF_PTR(bp);
 			balign = BBTOB(ealign - start_block);

From ff30a6221d95b609a37410a425937b11a55d465e Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Tue, 13 Apr 2010 15:22:58 +1000
Subject: [PATCH 2200/3638] xfs: encapsulate bbcount validity checking

Define a function that encapsulates checking the validity of a log
block count.

(Updated from previous version--no longer includes error reporting in the
encapsulated validation function.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_log_recover.c | 38 ++++++++++++++++++++++++++------------
 1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 0e51bdd910a..b5eab63eb12 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -63,15 +63,29 @@ STATIC void	xlog_recover_check_summary(xlog_t *);
 /* Number of basic blocks in a log sector */
 #define xlog_sectbb(log) (1 << (log)->l_sectbb_log)
 
+/*
+ * Verify the given count of basic blocks is valid number of blocks
+ * to specify for an operation involving the given XFS log buffer.
+ * Returns nonzero if the count is valid, 0 otherwise.
+ */
+
+static inline int
+xlog_buf_bbcount_valid(
+	xlog_t		*log,
+	int		bbcount)
+{
+	return bbcount > 0 && bbcount <= log->l_logBBsize;
+}
+
 STATIC xfs_buf_t *
 xlog_get_bp(
 	xlog_t		*log,
 	int		nbblks)
 {
-	if (nbblks <= 0 || nbblks > log->l_logBBsize) {
-		xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);
-		XFS_ERROR_REPORT("xlog_get_bp(1)",
-				 XFS_ERRLEVEL_HIGH, log->l_mp);
+	if (!xlog_buf_bbcount_valid(log, nbblks)) {
+		xlog_warn("XFS: Invalid block length (0x%x) given for buffer",
+			nbblks);
+		XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_HIGH, log->l_mp);
 		return NULL;
 	}
 
@@ -121,10 +135,10 @@ xlog_bread_noalign(
 {
 	int		error;
 
-	if (nbblks <= 0 || nbblks > log->l_logBBsize) {
-		xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);
-		XFS_ERROR_REPORT("xlog_bread(1)",
-				 XFS_ERRLEVEL_HIGH, log->l_mp);
+	if (!xlog_buf_bbcount_valid(log, nbblks)) {
+		xlog_warn("XFS: Invalid block length (0x%x) given for buffer",
+			nbblks);
+		XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_HIGH, log->l_mp);
 		return EFSCORRUPTED;
 	}
 
@@ -183,10 +197,10 @@ xlog_bwrite(
 {
 	int		error;
 
-	if (nbblks <= 0 || nbblks > log->l_logBBsize) {
-		xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);
-		XFS_ERROR_REPORT("xlog_bwrite(1)",
-				 XFS_ERRLEVEL_HIGH, log->l_mp);
+	if (!xlog_buf_bbcount_valid(log, nbblks)) {
+		xlog_warn("XFS: Invalid block length (0x%x) given for buffer",
+			nbblks);
+		XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_HIGH, log->l_mp);
 		return EFSCORRUPTED;
 	}
 

From 36adecff50b69df0369cc2022650c6087aeb255f Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Tue, 13 Apr 2010 15:21:13 +1000
Subject: [PATCH 2201/3638] xfs: nothing special about 1-block log sector

There are a number of places where a log sector size of 1 uses
special case code.  The round_up() and round_down() macros
produce the correct result even when the log sector size is 1, and
this eliminates the need for treating this as a special case.

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_log_recover.c | 42 +++++++++++++++++++++++++++-------------
 1 file changed, 29 insertions(+), 13 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index b5eab63eb12..629e88b38bd 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -77,6 +77,11 @@ xlog_buf_bbcount_valid(
 	return bbcount > 0 && bbcount <= log->l_logBBsize;
 }
 
+/*
+ * Allocate a buffer to hold log data.  The buffer needs to be able
+ * to map to a range of nbblks basic blocks at any valid (basic
+ * block) offset within the log.
+ */
 STATIC xfs_buf_t *
 xlog_get_bp(
 	xlog_t		*log,
@@ -89,11 +94,26 @@ xlog_get_bp(
 		return NULL;
 	}
 
-	if (log->l_sectbb_log) {
-		if (nbblks > 1)
-			nbblks += xlog_sectbb(log);
-		nbblks = round_up(nbblks, xlog_sectbb(log));
-	}
+	/*
+	 * We do log I/O in units of log sectors (a power-of-2
+	 * multiple of the basic block size), so we round up the
+	 * requested size to acommodate the basic blocks required
+	 * for complete log sectors.
+	 *
+	 * In addition, the buffer may be used for a non-sector-
+	 * aligned block offset, in which case an I/O of the
+	 * requested size could extend beyond the end of the
+	 * buffer.  If the requested size is only 1 basic block it
+	 * will never straddle a sector boundary, so this won't be
+	 * an issue.  Nor will this be a problem if the log I/O is
+	 * done in basic blocks (sector size 1).  But otherwise we
+	 * extend the buffer by one extra log sector to ensure
+	 * there's space to accomodate this possiblility.
+	 */
+	if (nbblks > 1 && log->l_sectbb_log)
+		nbblks += xlog_sectbb(log);
+	nbblks = round_up(nbblks, xlog_sectbb(log));
+
 	return xfs_buf_get_noaddr(BBTOB(nbblks), log->l_mp->m_logdev_targp);
 }
 
@@ -142,10 +162,8 @@ xlog_bread_noalign(
 		return EFSCORRUPTED;
 	}
 
-	if (log->l_sectbb_log) {
-		blk_no = round_down(blk_no, xlog_sectbb(log));
-		nbblks = round_up(nbblks, xlog_sectbb(log));
-	}
+	blk_no = round_down(blk_no, xlog_sectbb(log));
+	nbblks = round_up(nbblks, xlog_sectbb(log));
 
 	ASSERT(nbblks > 0);
 	ASSERT(BBTOB(nbblks) <= XFS_BUF_SIZE(bp));
@@ -204,10 +222,8 @@ xlog_bwrite(
 		return EFSCORRUPTED;
 	}
 
-	if (log->l_sectbb_log) {
-		blk_no = round_down(blk_no, xlog_sectbb(log));
-		nbblks = round_up(nbblks, xlog_sectbb(log));
-	}
+	blk_no = round_down(blk_no, xlog_sectbb(log));
+	nbblks = round_up(nbblks, xlog_sectbb(log));
 
 	ASSERT(nbblks > 0);
 	ASSERT(BBTOB(nbblks) <= XFS_BUF_SIZE(bp));

From f983710758218c7aad4aae3e40a7312a21d6f55a Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Wed, 14 Apr 2010 15:47:55 +1000
Subject: [PATCH 2202/3638] xfs: make the log ticket transaction id random

The transaction ID that is written to the log for a transaction is
currently set by taking the lower 32 bits of the memory address of
the ticket structure.  This is not guaranteed to be unique as
tickets comes from a slab and slots can be reallocated immediately
after being freed. As a result, there is no guarantee of uniqueness
in the ticket ID value.

Fix this by assigning a random number to the ticket ID field so that
it is extremely unlikely that duplicates will occur and remove the
possibility of transactions being mixed up during recovery due to
duplicate IDs.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_log.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 9edbd67b5a9..77593c2ead4 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -3417,7 +3417,7 @@ xlog_ticket_alloc(
 	tic->t_curr_res		= unit_bytes;
 	tic->t_cnt		= cnt;
 	tic->t_ocnt		= cnt;
-	tic->t_tid		= (xlog_tid_t)((__psint_t)tic & 0xffffffff);
+	tic->t_tid		= random32();
 	tic->t_clientid		= client;
 	tic->t_flags		= XLOG_TIC_INITED;
 	tic->t_trans_type	= 0;

From df308bcfec27e0c6bc83715dfd417caff5c33f19 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Fri, 12 Mar 2010 10:59:16 +0000
Subject: [PATCH 2203/3638] xfs: remove periodic superblock writeback

All modifications to the superblock are done transactional through
xfs_trans_log_buf, so there is no reason to initiate periodic
asynchronous writeback.  This only removes the superblock from the
delwri list and will lead to sub-optimal I/O scheduling.

Cut down xfs_sync_fsdata now that it's only used for synchronous
superblock writes and move the log coverage checks into the two
callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_sync.c | 90 +++++++++++--------------------------
 1 file changed, 27 insertions(+), 63 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index a7ba355c21b..728db015f39 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -356,68 +356,24 @@ xfs_commit_dummy_trans(
 
 STATIC int
 xfs_sync_fsdata(
-	struct xfs_mount	*mp,
-	int			flags)
+	struct xfs_mount	*mp)
 {
 	struct xfs_buf		*bp;
-	struct xfs_buf_log_item	*bip;
-	int			error = 0;
 
 	/*
-	 * If this is xfssyncd() then only sync the superblock if we can
-	 * lock it without sleeping and it is not pinned.
+	 * If the buffer is pinned then push on the log so we won't get stuck
+	 * waiting in the write for someone, maybe ourselves, to flush the log.
+	 *
+	 * Even though we just pushed the log above, we did not have the
+	 * superblock buffer locked at that point so it can become pinned in
+	 * between there and here.
 	 */
-	if (flags & SYNC_TRYLOCK) {
-		ASSERT(!(flags & SYNC_WAIT));
+	bp = xfs_getsb(mp, 0);
+	if (XFS_BUF_ISPINNED(bp))
+		xfs_log_force(mp, 0);
 
-		bp = xfs_getsb(mp, XBF_TRYLOCK);
-		if (!bp)
-			goto out;
-
-		bip = XFS_BUF_FSPRIVATE(bp, struct xfs_buf_log_item *);
-		if (!bip || !xfs_buf_item_dirty(bip) || XFS_BUF_ISPINNED(bp))
-			goto out_brelse;
-	} else {
-		bp = xfs_getsb(mp, 0);
-
-		/*
-		 * If the buffer is pinned then push on the log so we won't
-		 * get stuck waiting in the write for someone, maybe
-		 * ourselves, to flush the log.
-		 *
-		 * Even though we just pushed the log above, we did not have
-		 * the superblock buffer locked at that point so it can
-		 * become pinned in between there and here.
-		 */
-		if (XFS_BUF_ISPINNED(bp))
-			xfs_log_force(mp, 0);
-	}
-
-
-	if (flags & SYNC_WAIT)
-		XFS_BUF_UNASYNC(bp);
-	else
-		XFS_BUF_ASYNC(bp);
-
-	error = xfs_bwrite(mp, bp);
-	if (error)
-		return error;
-
-	/*
-	 * If this is a data integrity sync make sure all pending buffers
-	 * are flushed out for the log coverage check below.
-	 */
-	if (flags & SYNC_WAIT)
-		xfs_flush_buftarg(mp->m_ddev_targp, 1);
-
-	if (xfs_log_need_covered(mp))
-		error = xfs_commit_dummy_trans(mp, flags);
-	return error;
-
- out_brelse:
-	xfs_buf_relse(bp);
- out:
-	return error;
+	XFS_BUF_UNASYNC(bp);
+	return xfs_bwrite(mp, bp);
 }
 
 /*
@@ -441,7 +397,7 @@ int
 xfs_quiesce_data(
 	struct xfs_mount	*mp)
 {
-	int error;
+	int			error, error2 = 0;
 
 	/* push non-blocking */
 	xfs_sync_data(mp, 0);
@@ -452,13 +408,20 @@ xfs_quiesce_data(
 	xfs_qm_sync(mp, SYNC_WAIT);
 
 	/* write superblock and hoover up shutdown errors */
-	error = xfs_sync_fsdata(mp, SYNC_WAIT);
+	error = xfs_sync_fsdata(mp);
+
+	/* make sure all delwri buffers are written out */
+	xfs_flush_buftarg(mp->m_ddev_targp, 1);
+
+	/* mark the log as covered if needed */
+	if (xfs_log_need_covered(mp))
+		error2 = xfs_commit_dummy_trans(mp, SYNC_WAIT);
 
 	/* flush data-only devices */
 	if (mp->m_rtdev_targp)
 		XFS_bflush(mp->m_rtdev_targp);
 
-	return error;
+	return error ? error : error2;
 }
 
 STATIC void
@@ -581,9 +544,9 @@ xfs_flush_inodes(
 }
 
 /*
- * Every sync period we need to unpin all items, reclaim inodes, sync
- * quota and write out the superblock. We might need to cover the log
- * to indicate it is idle.
+ * Every sync period we need to unpin all items, reclaim inodes and sync
+ * disk quotas.  We might need to cover the log to indicate that the
+ * filesystem is idle.
  */
 STATIC void
 xfs_sync_worker(
@@ -597,7 +560,8 @@ xfs_sync_worker(
 		xfs_reclaim_inodes(mp, 0);
 		/* dgc: errors ignored here */
 		error = xfs_qm_sync(mp, SYNC_TRYLOCK);
-		error = xfs_sync_fsdata(mp, SYNC_TRYLOCK);
+		if (xfs_log_need_covered(mp))
+			error = xfs_commit_dummy_trans(mp, 0);
 	}
 	mp->m_sync_seq++;
 	wake_up(&mp->m_wait_single_sync_task);

From 8c38366f99f83a7fa441e0c0669fefc18615e005 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Fri, 12 Mar 2010 10:59:40 +0000
Subject: [PATCH 2204/3638] xfs: enforce synchronous writes in xfs_bwrite

xfs_bwrite is used with the intention of synchronously writing out
buffers, but currently it does not actually clear the async flag if
that's left from previous writes but instead implements async
behaviour if it finds it.  Remove the code handling asynchronous
writes as we've got rid of those entirely outside of the log and
delwri buffers, and make sure that we clear the async and read flags
before writing the buffer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_buf.c  | 17 ++++++-----------
 fs/xfs/linux-2.6/xfs_sync.c |  1 -
 2 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index f7ecc44cbbd..f01de3c55c4 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1007,25 +1007,20 @@ xfs_bwrite(
 	struct xfs_mount	*mp,
 	struct xfs_buf		*bp)
 {
-	int			iowait = (bp->b_flags & XBF_ASYNC) == 0;
-	int			error = 0;
+	int			error;
 
 	bp->b_strat = xfs_bdstrat_cb;
 	bp->b_mount = mp;
 	bp->b_flags |= XBF_WRITE;
-	if (!iowait)
-		bp->b_flags |= _XBF_RUN_QUEUES;
+	bp->b_flags &= ~(XBF_ASYNC | XBF_READ);
 
 	xfs_buf_delwri_dequeue(bp);
 	xfs_buf_iostrategy(bp);
 
-	if (iowait) {
-		error = xfs_buf_iowait(bp);
-		if (error)
-			xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR);
-		xfs_buf_relse(bp);
-	}
-
+	error = xfs_buf_iowait(bp);
+	if (error)
+		xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR);
+	xfs_buf_relse(bp);
 	return error;
 }
 
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 728db015f39..3884e20bc14 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -372,7 +372,6 @@ xfs_sync_fsdata(
 	if (XFS_BUF_ISPINNED(bp))
 		xfs_log_force(mp, 0);
 
-	XFS_BUF_UNASYNC(bp);
 	return xfs_bwrite(mp, bp);
 }
 

From 9db127edb54048707eb84517eb0573e597a2370a Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Thu, 15 Apr 2010 18:17:26 +0000
Subject: [PATCH 2205/3638] xfs: change a few labels in xfs_log_recover.c

Rename a label used in xlog_find_head() that I thought was poorly
chosen.  Also combine two adjacent labels xlog_find_tail() into a
single label, and give it a more generic name.

(Now using Dave's suggested "validate_head" name for first label.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_log_recover.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 629e88b38bd..a6cbc140c33 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -739,7 +739,7 @@ xlog_find_head(
 			goto bp_err;
 		if (new_blk != -1) {
 			head_blk = new_blk;
-			goto bad_blk;
+			goto validate_head;
 		}
 
 		/*
@@ -757,7 +757,7 @@ xlog_find_head(
 			head_blk = new_blk;
 	}
 
- bad_blk:
+validate_head:
 	/*
 	 * Now we need to make sure head_blk is not pointing to a block in
 	 * the middle of a log record.
@@ -864,12 +864,12 @@ xlog_find_tail(
 	if (*head_blk == 0) {				/* special case */
 		error = xlog_bread(log, 0, 1, bp, &offset);
 		if (error)
-			goto bread_err;
+			goto done;
 
 		if (xlog_get_cycle(offset) == 0) {
 			*tail_blk = 0;
 			/* leave all other log inited values alone */
-			goto exit;
+			goto done;
 		}
 	}
 
@@ -880,7 +880,7 @@ xlog_find_tail(
 	for (i = (int)(*head_blk) - 1; i >= 0; i--) {
 		error = xlog_bread(log, i, 1, bp, &offset);
 		if (error)
-			goto bread_err;
+			goto done;
 
 		if (XLOG_HEADER_MAGIC_NUM == be32_to_cpu(*(__be32 *)offset)) {
 			found = 1;
@@ -897,7 +897,7 @@ xlog_find_tail(
 		for (i = log->l_logBBsize - 1; i >= (int)(*head_blk); i--) {
 			error = xlog_bread(log, i, 1, bp, &offset);
 			if (error)
-				goto bread_err;
+				goto done;
 
 			if (XLOG_HEADER_MAGIC_NUM ==
 			    be32_to_cpu(*(__be32 *)offset)) {
@@ -972,7 +972,7 @@ xlog_find_tail(
 		umount_data_blk = (i + hblks) % log->l_logBBsize;
 		error = xlog_bread(log, umount_data_blk, 1, bp, &offset);
 		if (error)
-			goto bread_err;
+			goto done;
 
 		op_head = (xlog_op_header_t *)offset;
 		if (op_head->oh_flags & XLOG_UNMOUNT_TRANS) {
@@ -1018,12 +1018,10 @@ xlog_find_tail(
 	 * But... if the -device- itself is readonly, just skip this.
 	 * We can't recover this device anyway, so it won't matter.
 	 */
-	if (!xfs_readonly_buftarg(log->l_mp->m_logdev_targp)) {
+	if (!xfs_readonly_buftarg(log->l_mp->m_logdev_targp))
 		error = xlog_clear_stale_blocks(log, tail_lsn);
-	}
 
-bread_err:
-exit:
+done:
 	xlog_put_bp(bp);
 
 	if (error)

From e3bb2e30d532b00a9bdda997e174a9f9916cb1c0 Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Thu, 15 Apr 2010 18:17:30 +0000
Subject: [PATCH 2206/3638] xfs: avoid repeated pointer dereferences

In xlog_find_cycle_start() use a local variable for some repeated
operations rather than constantly accessing the memory location
whose address is passed in.

(This version drops an assertion that a pointer is non-null.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_log_recover.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index a6cbc140c33..7b3375db672 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -354,26 +354,27 @@ xlog_find_cycle_start(
 {
 	xfs_caddr_t	offset;
 	xfs_daddr_t	mid_blk;
+	xfs_daddr_t	end_blk;
 	uint		mid_cycle;
 	int		error;
 
-	mid_blk = BLK_AVG(first_blk, *last_blk);
-	while (mid_blk != first_blk && mid_blk != *last_blk) {
+	end_blk = *last_blk;
+	mid_blk = BLK_AVG(first_blk, end_blk);
+	while (mid_blk != first_blk && mid_blk != end_blk) {
 		error = xlog_bread(log, mid_blk, 1, bp, &offset);
 		if (error)
 			return error;
 		mid_cycle = xlog_get_cycle(offset);
-		if (mid_cycle == cycle) {
-			*last_blk = mid_blk;
-			/* last_half_cycle == mid_cycle */
-		} else {
-			first_blk = mid_blk;
-			/* first_half_cycle == mid_cycle */
-		}
-		mid_blk = BLK_AVG(first_blk, *last_blk);
+		if (mid_cycle == cycle)
+			end_blk = mid_blk;   /* last_half_cycle == mid_cycle */
+		else
+			first_blk = mid_blk; /* first_half_cycle == mid_cycle */
+		mid_blk = BLK_AVG(first_blk, end_blk);
 	}
-	ASSERT((mid_blk == first_blk && mid_blk+1 == *last_blk) ||
-	       (mid_blk == *last_blk && mid_blk-1 == first_blk));
+	ASSERT((mid_blk == first_blk && mid_blk+1 == end_blk) ||
+	       (mid_blk == end_blk && mid_blk-1 == first_blk));
+
+	*last_blk = end_blk;
 
 	return 0;
 }

From 3f943d853d6ce6d808e7362e4444c7ed5f692357 Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Thu, 15 Apr 2010 18:17:34 +0000
Subject: [PATCH 2207/3638] xfs: minor odds and ends in xfs_log_recover.c

Odds and ends in "xfs_log_recover.c".  This patch just contains some
minor things that didn't seem to warrant their own individual
patches:
- In xlog_bread_noalign(), drop an assertion that a pointer is
  non-null (the crash will tell us it was a bad pointer).
- Add a more descriptive header comment for xlog_find_verify_cycle().
- Make a few additions to the comments in xlog_find_head().  Also
  rearrange some expressions in a few spots to produce the same
  result, but in a way that seems more clear what's being computed.

(Updated in response to Dave's review comments.  Note I did not
split this patch like I said I would.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_log_recover.c | 31 +++++++++++++++----------------
 1 file changed, 15 insertions(+), 16 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 7b3375db672..3bfff4220a7 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -167,7 +167,6 @@ xlog_bread_noalign(
 
 	ASSERT(nbblks > 0);
 	ASSERT(BBTOB(nbblks) <= XFS_BUF_SIZE(bp));
-	ASSERT(bp);
 
 	XFS_BUF_SET_ADDR(bp, log->l_logBBstart + blk_no);
 	XFS_BUF_READ(bp);
@@ -380,14 +379,12 @@ xlog_find_cycle_start(
 }
 
 /*
- * Check that the range of blocks does not contain the cycle number
- * given.  The scan needs to occur from front to back and the ptr into the
- * region must be updated since a later routine will need to perform another
- * test.  If the region is completely good, we end up returning the same
- * last block number.
- *
- * Set blkno to -1 if we encounter no errors.  This is an invalid block number
- * since we don't ever expect logs to get this large.
+ * Check that a range of blocks does not contain stop_on_cycle_no.
+ * Fill in *new_blk with the block offset where such a block is
+ * found, or with -1 (an invalid block number) if there is no such
+ * block in the range.  The scan needs to occur from front to back
+ * and the pointer into the region must be updated since a later
+ * routine will need to perform another test.
  */
 STATIC int
 xlog_find_verify_cycle(
@@ -661,7 +658,7 @@ xlog_find_head(
 		 * In this case we want to find the first block with cycle
 		 * number matching last_half_cycle.  We expect the log to be
 		 * some variation on
-		 *        x + 1 ... | x ...
+		 *        x + 1 ... | x ... | x
 		 * The first block with cycle number x (last_half_cycle) will
 		 * be where the new head belongs.  First we do a binary search
 		 * for the first occurrence of last_half_cycle.  The binary
@@ -671,11 +668,13 @@ xlog_find_head(
 		 * the log, then we look for occurrences of last_half_cycle - 1
 		 * at the end of the log.  The cases we're looking for look
 		 * like
-		 *        x + 1 ... | x | x + 1 | x ...
-		 *                               ^ binary search stopped here
+		 *                               v binary search stopped here
+		 *        x + 1 ... | x | x + 1 | x ... | x
+		 *                   ^ but we want to locate this spot
 		 * or
-		 *        x + 1 ... | x ... | x - 1 | x
 		 *        <---------> less than scan distance
+		 *        x + 1 ... | x ... | x - 1 | x
+		 *                           ^ we want to locate this spot
 		 */
 		stop_on_cycle = last_half_cycle;
 		if ((error = xlog_find_cycle_start(log, bp, first_blk,
@@ -731,9 +730,9 @@ xlog_find_head(
 		 * certainly not the head of the log.  By searching for
 		 * last_half_cycle-1 we accomplish that.
 		 */
-		start_blk = log_bbnum - num_scan_bblks + head_blk;
 		ASSERT(head_blk <= INT_MAX &&
-			(xfs_daddr_t) num_scan_bblks - head_blk >= 0);
+			(xfs_daddr_t) num_scan_bblks >= head_blk);
+		start_blk = log_bbnum - (num_scan_bblks - head_blk);
 		if ((error = xlog_find_verify_cycle(log, start_blk,
 					num_scan_bblks - (int)head_blk,
 					(stop_on_cycle - 1), &new_blk)))
@@ -780,7 +779,7 @@ validate_head:
 		if ((error = xlog_find_verify_log_record(log, start_blk,
 							&head_blk, 0)) == -1) {
 			/* We hit the beginning of the log during our search */
-			start_blk = log_bbnum - num_scan_bblks + head_blk;
+			start_blk = log_bbnum - (num_scan_bblks - head_blk);
 			new_blk = log_bbnum;
 			ASSERT(start_blk <= INT_MAX &&
 				(xfs_daddr_t) log_bbnum-start_blk >= 0);

From fce1cad651e3cf2779ed8f9e6608daf50d29daaf Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Thu, 25 Mar 2010 17:22:41 +0000
Subject: [PATCH 2208/3638] xfs: xfs_trace.c: duplicated include

fs/xfs/linux-2.6/xfs_trace.c: xfs_attr_sf.h is included more than once.

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_trace.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/xfs/linux-2.6/xfs_trace.c b/fs/xfs/linux-2.6/xfs_trace.c
index 2a460581308..207fa77f63a 100644
--- a/fs/xfs/linux-2.6/xfs_trace.c
+++ b/fs/xfs/linux-2.6/xfs_trace.c
@@ -41,7 +41,6 @@
 #include "xfs_alloc.h"
 #include "xfs_bmap.h"
 #include "xfs_attr.h"
-#include "xfs_attr_sf.h"
 #include "xfs_attr_leaf.h"
 #include "xfs_log_priv.h"
 #include "xfs_buf_item.h"

From 37bc5743fdc29f60fb104cd9031babbabddff25a Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 20 Apr 2010 17:00:59 +1000
Subject: [PATCH 2209/3638] xfs: wait for direct I/O to complete in fsync and
 write_inode

We need to wait for all pending direct I/O requests before taking care of
metadata in fsync and write_inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/linux-2.6/xfs_file.c  | 2 ++
 fs/xfs/linux-2.6/xfs_super.c | 1 +
 2 files changed, 3 insertions(+)

diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 42dd3bcfba6..d8fb1b5d6cb 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -115,6 +115,8 @@ xfs_file_fsync(
 
 	xfs_iflags_clear(ip, XFS_ITRUNCATED);
 
+	xfs_ioend_wait(ip);
+
 	/*
 	 * We always need to make sure that the required inode state is safe on
 	 * disk.  The inode might be clean but we still might need to force the
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index e8ad6dd2c10..e9002513e08 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -1093,6 +1093,7 @@ xfs_fs_write_inode(
 		 * the code will only flush the inode if it isn't already
 		 * being flushed.
 		 */
+		xfs_ioend_wait(ip);
 		xfs_ilock(ip, XFS_ILOCK_SHARED);
 		if (ip->i_update_core) {
 			error = xfs_log_inode(ip);

From 8a7b8a89a3ae5b510396cdcc821698d4aa20afcf Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 20 Apr 2010 17:01:30 +1000
Subject: [PATCH 2210/3638] xfs: access quotainfo structure directly

Access fields in m_quotainfo directly instead of hiding them behind the
XFS_QI_* macros.  Add local variables for the quotainfo pointer in places
where we have lots of them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/quota/xfs_dquot.c       |  57 ++++++-------
 fs/xfs/quota/xfs_dquot_item.c  |   2 +-
 fs/xfs/quota/xfs_qm.c          | 144 +++++++++++++++++----------------
 fs/xfs/quota/xfs_qm_syscalls.c | 114 +++++++++++++-------------
 fs/xfs/quota/xfs_quota_priv.h  |  14 ----
 fs/xfs/quota/xfs_trans_dquot.c |   6 +-
 6 files changed, 165 insertions(+), 172 deletions(-)

diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 02dac0a5f1e..9b1e8be9882 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -252,7 +252,7 @@ xfs_qm_adjust_dqtimers(
 		     (be64_to_cpu(d->d_bcount) >=
 		      be64_to_cpu(d->d_blk_hardlimit)))) {
 			d->d_btimer = cpu_to_be32(get_seconds() +
-					XFS_QI_BTIMELIMIT(mp));
+					mp->m_quotainfo->qi_btimelimit);
 		} else {
 			d->d_bwarns = 0;
 		}
@@ -275,7 +275,7 @@ xfs_qm_adjust_dqtimers(
 		     (be64_to_cpu(d->d_icount) >=
 		      be64_to_cpu(d->d_ino_hardlimit)))) {
 			d->d_itimer = cpu_to_be32(get_seconds() +
-					XFS_QI_ITIMELIMIT(mp));
+					mp->m_quotainfo->qi_itimelimit);
 		} else {
 			d->d_iwarns = 0;
 		}
@@ -298,7 +298,7 @@ xfs_qm_adjust_dqtimers(
 		     (be64_to_cpu(d->d_rtbcount) >=
 		      be64_to_cpu(d->d_rtb_hardlimit)))) {
 			d->d_rtbtimer = cpu_to_be32(get_seconds() +
-					XFS_QI_RTBTIMELIMIT(mp));
+					mp->m_quotainfo->qi_rtbtimelimit);
 		} else {
 			d->d_rtbwarns = 0;
 		}
@@ -325,6 +325,7 @@ xfs_qm_init_dquot_blk(
 	uint		type,
 	xfs_buf_t	*bp)
 {
+	struct xfs_quotainfo	*q = mp->m_quotainfo;
 	xfs_dqblk_t	*d;
 	int		curid, i;
 
@@ -337,16 +338,16 @@ xfs_qm_init_dquot_blk(
 	/*
 	 * ID of the first dquot in the block - id's are zero based.
 	 */
-	curid = id - (id % XFS_QM_DQPERBLK(mp));
+	curid = id - (id % q->qi_dqperchunk);
 	ASSERT(curid >= 0);
-	memset(d, 0, BBTOB(XFS_QI_DQCHUNKLEN(mp)));
-	for (i = 0; i < XFS_QM_DQPERBLK(mp); i++, d++, curid++)
+	memset(d, 0, BBTOB(q->qi_dqchunklen));
+	for (i = 0; i < q->qi_dqperchunk; i++, d++, curid++)
 		xfs_qm_dqinit_core(curid, type, d);
 	xfs_trans_dquot_buf(tp, bp,
 			    (type & XFS_DQ_USER ? XFS_BLI_UDQUOT_BUF :
 			    ((type & XFS_DQ_PROJ) ? XFS_BLI_PDQUOT_BUF :
 			     XFS_BLI_GDQUOT_BUF)));
-	xfs_trans_log_buf(tp, bp, 0, BBTOB(XFS_QI_DQCHUNKLEN(mp)) - 1);
+	xfs_trans_log_buf(tp, bp, 0, BBTOB(q->qi_dqchunklen) - 1);
 }
 
 
@@ -419,7 +420,7 @@ xfs_qm_dqalloc(
 	/* now we can just get the buffer (there's nothing to read yet) */
 	bp = xfs_trans_get_buf(tp, mp->m_ddev_targp,
 			       dqp->q_blkno,
-			       XFS_QI_DQCHUNKLEN(mp),
+			       mp->m_quotainfo->qi_dqchunklen,
 			       0);
 	if (!bp || (error = XFS_BUF_GETERROR(bp)))
 		goto error1;
@@ -500,7 +501,8 @@ xfs_qm_dqtobp(
 	 */
 	if (dqp->q_blkno == (xfs_daddr_t) 0) {
 		/* We use the id as an index */
-		dqp->q_fileoffset = (xfs_fileoff_t)id / XFS_QM_DQPERBLK(mp);
+		dqp->q_fileoffset = (xfs_fileoff_t)id /
+					mp->m_quotainfo->qi_dqperchunk;
 		nmaps = 1;
 		quotip = XFS_DQ_TO_QIP(dqp);
 		xfs_ilock(quotip, XFS_ILOCK_SHARED);
@@ -529,7 +531,7 @@ xfs_qm_dqtobp(
 		/*
 		 * offset of dquot in the (fixed sized) dquot chunk.
 		 */
-		dqp->q_bufoffset = (id % XFS_QM_DQPERBLK(mp)) *
+		dqp->q_bufoffset = (id % mp->m_quotainfo->qi_dqperchunk) *
 			sizeof(xfs_dqblk_t);
 		if (map.br_startblock == HOLESTARTBLOCK) {
 			/*
@@ -559,15 +561,13 @@ xfs_qm_dqtobp(
 	 * Read in the buffer, unless we've just done the allocation
 	 * (in which case we already have the buf).
 	 */
-	if (! newdquot) {
+	if (!newdquot) {
 		trace_xfs_dqtobp_read(dqp);
 
-		if ((error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp,
-					       dqp->q_blkno,
-					       XFS_QI_DQCHUNKLEN(mp),
-					       0, &bp))) {
-			return (error);
-		}
+		error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp,
+					   dqp->q_blkno,
+					   mp->m_quotainfo->qi_dqchunklen,
+					   0, &bp);
 		if (error || !bp)
 			return XFS_ERROR(error);
 	}
@@ -689,14 +689,14 @@ xfs_qm_idtodq(
 	tp = NULL;
 	if (flags & XFS_QMOPT_DQALLOC) {
 		tp = xfs_trans_alloc(mp, XFS_TRANS_QM_DQALLOC);
-		if ((error = xfs_trans_reserve(tp,
-				       XFS_QM_DQALLOC_SPACE_RES(mp),
-				       XFS_WRITE_LOG_RES(mp) +
-					      BBTOB(XFS_QI_DQCHUNKLEN(mp)) - 1 +
-					      128,
-				       0,
-				       XFS_TRANS_PERM_LOG_RES,
-				       XFS_WRITE_LOG_COUNT))) {
+		error = xfs_trans_reserve(tp, XFS_QM_DQALLOC_SPACE_RES(mp),
+				XFS_WRITE_LOG_RES(mp) +
+				BBTOB(mp->m_quotainfo->qi_dqchunklen) - 1 +
+				128,
+				0,
+				XFS_TRANS_PERM_LOG_RES,
+				XFS_WRITE_LOG_COUNT);
+		if (error) {
 			cancelflags = 0;
 			goto error0;
 		}
@@ -1495,6 +1495,7 @@ void
 xfs_qm_dqflock_pushbuf_wait(
 	xfs_dquot_t	*dqp)
 {
+	xfs_mount_t	*mp = dqp->q_mount;
 	xfs_buf_t	*bp;
 
 	/*
@@ -1503,14 +1504,14 @@ xfs_qm_dqflock_pushbuf_wait(
 	 * out immediately.  We'll be able to acquire
 	 * the flush lock when the I/O completes.
 	 */
-	bp = xfs_incore(dqp->q_mount->m_ddev_targp, dqp->q_blkno,
-		    XFS_QI_DQCHUNKLEN(dqp->q_mount), XBF_TRYLOCK);
+	bp = xfs_incore(mp->m_ddev_targp, dqp->q_blkno,
+			mp->m_quotainfo->qi_dqchunklen, XBF_TRYLOCK);
 	if (!bp)
 		goto out_lock;
 
 	if (XFS_BUF_ISDELAYWRITE(bp)) {
 		if (XFS_BUF_ISPINNED(bp))
-			xfs_log_force(dqp->q_mount, 0);
+			xfs_log_force(mp, 0);
 		xfs_buf_delwri_promote(bp);
 		wake_up_process(bp->b_target->bt_task);
 	}
diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c
index 165bbdf44be..8d89a24ae32 100644
--- a/fs/xfs/quota/xfs_dquot_item.c
+++ b/fs/xfs/quota/xfs_dquot_item.c
@@ -227,7 +227,7 @@ xfs_qm_dquot_logitem_pushbuf(
 	}
 	mp = dqp->q_mount;
 	bp = xfs_incore(mp->m_ddev_targp, qip->qli_format.qlf_blkno,
-		    XFS_QI_DQCHUNKLEN(mp), XBF_TRYLOCK);
+			mp->m_quotainfo->qi_dqchunklen, XBF_TRYLOCK);
 	xfs_dqunlock(dqp);
 	if (!bp)
 		return;
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index c40ca94e23e..6ef2809b316 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -465,20 +465,21 @@ xfs_qm_unmount_quotas(
  */
 STATIC int
 xfs_qm_dqflush_all(
-	xfs_mount_t	*mp,
-	int		sync_mode)
+	struct xfs_mount	*mp,
+	int			sync_mode)
 {
-	int		recl;
-	xfs_dquot_t	*dqp;
-	int		niters;
-	int		error;
+	struct xfs_quotainfo	*q = mp->m_quotainfo;
+	int			recl;
+	struct xfs_dquot	*dqp;
+	int			niters;
+	int			error;
 
-	if (mp->m_quotainfo == NULL)
+	if (!q)
 		return 0;
 	niters = 0;
 again:
-	mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
-	list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) {
+	mutex_lock(&q->qi_dqlist_lock);
+	list_for_each_entry(dqp, &q->qi_dqlist, q_mplist) {
 		xfs_dqlock(dqp);
 		if (! XFS_DQ_IS_DIRTY(dqp)) {
 			xfs_dqunlock(dqp);
@@ -486,7 +487,7 @@ again:
 		}
 
 		/* XXX a sentinel would be better */
-		recl = mp->m_quotainfo->qi_dqreclaims;
+		recl = q->qi_dqreclaims;
 		if (!xfs_dqflock_nowait(dqp)) {
 			/*
 			 * If we can't grab the flush lock then check
@@ -501,21 +502,21 @@ again:
 		 * Let go of the mplist lock. We don't want to hold it
 		 * across a disk write.
 		 */
-		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+		mutex_unlock(&q->qi_dqlist_lock);
 		error = xfs_qm_dqflush(dqp, sync_mode);
 		xfs_dqunlock(dqp);
 		if (error)
 			return error;
 
-		mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
-		if (recl != mp->m_quotainfo->qi_dqreclaims) {
-			mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+		mutex_lock(&q->qi_dqlist_lock);
+		if (recl != q->qi_dqreclaims) {
+			mutex_unlock(&q->qi_dqlist_lock);
 			/* XXX restart limit */
 			goto again;
 		}
 	}
 
-	mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+	mutex_unlock(&q->qi_dqlist_lock);
 	/* return ! busy */
 	return 0;
 }
@@ -525,14 +526,15 @@ again:
  */
 STATIC void
 xfs_qm_detach_gdquots(
-	xfs_mount_t	*mp)
+	struct xfs_mount	*mp)
 {
-	xfs_dquot_t	*dqp, *gdqp;
-	int		nrecl;
+	struct xfs_quotainfo	*q = mp->m_quotainfo;
+	struct xfs_dquot	*dqp, *gdqp;
+	int			nrecl;
 
  again:
-	ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock));
-	list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) {
+	ASSERT(mutex_is_locked(&q->qi_dqlist_lock));
+	list_for_each_entry(dqp, &q->qi_dqlist, q_mplist) {
 		xfs_dqlock(dqp);
 		if ((gdqp = dqp->q_gdquot)) {
 			xfs_dqlock(gdqp);
@@ -545,12 +547,12 @@ xfs_qm_detach_gdquots(
 			 * Can't hold the mplist lock across a dqput.
 			 * XXXmust convert to marker based iterations here.
 			 */
-			nrecl = mp->m_quotainfo->qi_dqreclaims;
-			mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+			nrecl = q->qi_dqreclaims;
+			mutex_unlock(&q->qi_dqlist_lock);
 			xfs_qm_dqput(gdqp);
 
-			mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
-			if (nrecl != mp->m_quotainfo->qi_dqreclaims)
+			mutex_lock(&q->qi_dqlist_lock);
+			if (nrecl != q->qi_dqreclaims)
 				goto again;
 		}
 	}
@@ -564,22 +566,23 @@ xfs_qm_detach_gdquots(
  */
 STATIC int
 xfs_qm_dqpurge_int(
-	xfs_mount_t	*mp,
-	uint		flags) /* QUOTAOFF/UMOUNTING/UQUOTA/PQUOTA/GQUOTA */
+	struct xfs_mount	*mp,
+	uint			flags)
 {
-	xfs_dquot_t	*dqp, *n;
-	uint		dqtype;
-	int		nrecl;
-	int		nmisses;
+	struct xfs_quotainfo	*q = mp->m_quotainfo;
+	struct xfs_dquot	*dqp, *n;
+	uint			dqtype;
+	int			nrecl;
+	int			nmisses;
 
-	if (mp->m_quotainfo == NULL)
+	if (!q)
 		return 0;
 
 	dqtype = (flags & XFS_QMOPT_UQUOTA) ? XFS_DQ_USER : 0;
 	dqtype |= (flags & XFS_QMOPT_PQUOTA) ? XFS_DQ_PROJ : 0;
 	dqtype |= (flags & XFS_QMOPT_GQUOTA) ? XFS_DQ_GROUP : 0;
 
-	mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
+	mutex_lock(&q->qi_dqlist_lock);
 
 	/*
 	 * In the first pass through all incore dquots of this filesystem,
@@ -591,12 +594,12 @@ xfs_qm_dqpurge_int(
 
       again:
 	nmisses = 0;
-	ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock));
+	ASSERT(mutex_is_locked(&q->qi_dqlist_lock));
 	/*
 	 * Try to get rid of all of the unwanted dquots. The idea is to
 	 * get them off mplist and hashlist, but leave them on freelist.
 	 */
-	list_for_each_entry_safe(dqp, n, &mp->m_quotainfo->qi_dqlist, q_mplist) {
+	list_for_each_entry_safe(dqp, n, &q->qi_dqlist, q_mplist) {
 		/*
 		 * It's OK to look at the type without taking dqlock here.
 		 * We're holding the mplist lock here, and that's needed for
@@ -606,10 +609,10 @@ xfs_qm_dqpurge_int(
 			continue;
 
 		if (!mutex_trylock(&dqp->q_hash->qh_lock)) {
-			nrecl = mp->m_quotainfo->qi_dqreclaims;
-			mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+			nrecl = q->qi_dqreclaims;
+			mutex_unlock(&q->qi_dqlist_lock);
 			mutex_lock(&dqp->q_hash->qh_lock);
-			mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
+			mutex_lock(&q->qi_dqlist_lock);
 
 			/*
 			 * XXXTheoretically, we can get into a very long
@@ -617,7 +620,7 @@ xfs_qm_dqpurge_int(
 			 * No one can be adding dquots to the mplist at
 			 * this point, but somebody might be taking things off.
 			 */
-			if (nrecl != mp->m_quotainfo->qi_dqreclaims) {
+			if (nrecl != q->qi_dqreclaims) {
 				mutex_unlock(&dqp->q_hash->qh_lock);
 				goto again;
 			}
@@ -629,7 +632,7 @@ xfs_qm_dqpurge_int(
 		 */
 		nmisses += xfs_qm_dqpurge(dqp);
 	}
-	mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+	mutex_unlock(&q->qi_dqlist_lock);
 	return nmisses;
 }
 
@@ -929,12 +932,13 @@ xfs_qm_dqdetach(
 
 int
 xfs_qm_sync(
-	xfs_mount_t	*mp,
-	int		flags)
+	struct xfs_mount	*mp,
+	int			flags)
 {
-	int		recl, restarts;
-	xfs_dquot_t	*dqp;
-	int		error;
+	struct xfs_quotainfo	*q = mp->m_quotainfo;
+	int			recl, restarts;
+	struct xfs_dquot	*dqp;
+	int			error;
 
 	if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp))
 		return 0;
@@ -942,7 +946,7 @@ xfs_qm_sync(
 	restarts = 0;
 
   again:
-	mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
+	mutex_lock(&q->qi_dqlist_lock);
 	/*
 	 * dqpurge_all() also takes the mplist lock and iterate thru all dquots
 	 * in quotaoff. However, if the QUOTA_ACTIVE bits are not cleared
@@ -950,11 +954,11 @@ xfs_qm_sync(
 	 * as long as we have it locked.
 	 */
 	if (!XFS_IS_QUOTA_ON(mp)) {
-		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+		mutex_unlock(&q->qi_dqlist_lock);
 		return 0;
 	}
-	ASSERT(mutex_is_locked(&mp->m_quotainfo->qi_dqlist_lock));
-	list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist, q_mplist) {
+	ASSERT(mutex_is_locked(&q->qi_dqlist_lock));
+	list_for_each_entry(dqp, &q->qi_dqlist, q_mplist) {
 		/*
 		 * If this is vfs_sync calling, then skip the dquots that
 		 * don't 'seem' to be dirty. ie. don't acquire dqlock.
@@ -978,7 +982,7 @@ xfs_qm_sync(
 		}
 
 		/* XXX a sentinel would be better */
-		recl = mp->m_quotainfo->qi_dqreclaims;
+		recl = q->qi_dqreclaims;
 		if (!xfs_dqflock_nowait(dqp)) {
 			if (flags & SYNC_TRYLOCK) {
 				xfs_dqunlock(dqp);
@@ -998,7 +1002,7 @@ xfs_qm_sync(
 		 * Let go of the mplist lock. We don't want to hold it
 		 * across a disk write
 		 */
-		mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+		mutex_unlock(&q->qi_dqlist_lock);
 		error = xfs_qm_dqflush(dqp, flags);
 		xfs_dqunlock(dqp);
 		if (error && XFS_FORCED_SHUTDOWN(mp))
@@ -1006,17 +1010,17 @@ xfs_qm_sync(
 		else if (error)
 			return error;
 
-		mutex_lock(&mp->m_quotainfo->qi_dqlist_lock);
-		if (recl != mp->m_quotainfo->qi_dqreclaims) {
+		mutex_lock(&q->qi_dqlist_lock);
+		if (recl != q->qi_dqreclaims) {
 			if (++restarts >= XFS_QM_SYNC_MAX_RESTARTS)
 				break;
 
-			mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+			mutex_unlock(&q->qi_dqlist_lock);
 			goto again;
 		}
 	}
 
-	mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+	mutex_unlock(&q->qi_dqlist_lock);
 	return 0;
 }
 
@@ -1382,10 +1386,10 @@ xfs_qm_reset_dqcounts(
 #ifdef DEBUG
 	j = XFS_FSB_TO_B(mp, XFS_DQUOT_CLUSTER_SIZE_FSB);
 	do_div(j, sizeof(xfs_dqblk_t));
-	ASSERT(XFS_QM_DQPERBLK(mp) == j);
+	ASSERT(mp->m_quotainfo->qi_dqperchunk == j);
 #endif
 	ddq = (xfs_disk_dquot_t *)XFS_BUF_PTR(bp);
-	for (j = 0; j < XFS_QM_DQPERBLK(mp); j++) {
+	for (j = 0; j < mp->m_quotainfo->qi_dqperchunk; j++) {
 		/*
 		 * Do a sanity check, and if needed, repair the dqblk. Don't
 		 * output any warnings because it's perfectly possible to
@@ -1440,7 +1444,7 @@ xfs_qm_dqiter_bufs(
 	while (blkcnt--) {
 		error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,
 			      XFS_FSB_TO_DADDR(mp, bno),
-			      (int)XFS_QI_DQCHUNKLEN(mp), 0, &bp);
+			      mp->m_quotainfo->qi_dqchunklen, 0, &bp);
 		if (error)
 			break;
 
@@ -1450,7 +1454,7 @@ xfs_qm_dqiter_bufs(
 		 * goto the next block.
 		 */
 		bno++;
-		firstid += XFS_QM_DQPERBLK(mp);
+		firstid += mp->m_quotainfo->qi_dqperchunk;
 	}
 	return error;
 }
@@ -1516,7 +1520,7 @@ xfs_qm_dqiterate(
 				continue;
 
 			firstid = (xfs_dqid_t) map[i].br_startoff *
-				XFS_QM_DQPERBLK(mp);
+				mp->m_quotainfo->qi_dqperchunk;
 			/*
 			 * Do a read-ahead on the next extent.
 			 */
@@ -1527,7 +1531,7 @@ xfs_qm_dqiterate(
 				while (rablkcnt--) {
 					xfs_baread(mp->m_ddev_targp,
 					       XFS_FSB_TO_DADDR(mp, rablkno),
-					       (int)XFS_QI_DQCHUNKLEN(mp));
+					       mp->m_quotainfo->qi_dqchunklen);
 					rablkno++;
 				}
 			}
@@ -1758,7 +1762,7 @@ xfs_qm_quotacheck(
 	lastino = 0;
 	flags = 0;
 
-	ASSERT(XFS_QI_UQIP(mp) || XFS_QI_GQIP(mp));
+	ASSERT(mp->m_quotainfo->qi_uquotaip || mp->m_quotainfo->qi_gquotaip);
 	ASSERT(XFS_IS_QUOTA_RUNNING(mp));
 
 	/*
@@ -1774,15 +1778,19 @@ xfs_qm_quotacheck(
 	 * their counters to zero. We need a clean slate.
 	 * We don't log our changes till later.
 	 */
-	if ((uip = XFS_QI_UQIP(mp))) {
-		if ((error = xfs_qm_dqiterate(mp, uip, XFS_QMOPT_UQUOTA)))
+	uip = mp->m_quotainfo->qi_uquotaip;
+	if (uip) {
+		error = xfs_qm_dqiterate(mp, uip, XFS_QMOPT_UQUOTA);
+		if (error)
 			goto error_return;
 		flags |= XFS_UQUOTA_CHKD;
 	}
 
-	if ((gip = XFS_QI_GQIP(mp))) {
-		if ((error = xfs_qm_dqiterate(mp, gip, XFS_IS_GQUOTA_ON(mp) ?
-					XFS_QMOPT_GQUOTA : XFS_QMOPT_PQUOTA)))
+	gip = mp->m_quotainfo->qi_gquotaip;
+	if (gip) {
+		error = xfs_qm_dqiterate(mp, gip, XFS_IS_GQUOTA_ON(mp) ?
+					XFS_QMOPT_GQUOTA : XFS_QMOPT_PQUOTA);
+		if (error)
 			goto error_return;
 		flags |= XFS_OQUOTA_CHKD;
 	}
@@ -1931,8 +1939,8 @@ xfs_qm_init_quotainos(
 		}
 	}
 
-	XFS_QI_UQIP(mp) = uip;
-	XFS_QI_GQIP(mp) = gip;
+	mp->m_quotainfo->qi_uquotaip = uip;
+	mp->m_quotainfo->qi_gquotaip = gip;
 
 	return 0;
 }
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 45337440672..0688019984b 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -79,6 +79,7 @@ xfs_qm_scall_quotaoff(
 	xfs_mount_t		*mp,
 	uint			flags)
 {
+	struct xfs_quotainfo	*q = mp->m_quotainfo;
 	uint			dqtype;
 	int			error;
 	uint			inactivate_flags;
@@ -102,11 +103,8 @@ xfs_qm_scall_quotaoff(
 	 * critical thing.
 	 * If quotaoff, then we must be dealing with the root filesystem.
 	 */
-	ASSERT(mp->m_quotainfo);
-	if (mp->m_quotainfo)
-		mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
-
-	ASSERT(mp->m_quotainfo);
+	ASSERT(q);
+	mutex_lock(&q->qi_quotaofflock);
 
 	/*
 	 * If we're just turning off quota enforcement, change mp and go.
@@ -117,7 +115,7 @@ xfs_qm_scall_quotaoff(
 		spin_lock(&mp->m_sb_lock);
 		mp->m_sb.sb_qflags = mp->m_qflags;
 		spin_unlock(&mp->m_sb_lock);
-		mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
+		mutex_unlock(&q->qi_quotaofflock);
 
 		/* XXX what to do if error ? Revert back to old vals incore ? */
 		error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS);
@@ -150,10 +148,8 @@ xfs_qm_scall_quotaoff(
 	 * Nothing to do?  Don't complain. This happens when we're just
 	 * turning off quota enforcement.
 	 */
-	if ((mp->m_qflags & flags) == 0) {
-		mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
-		return (0);
-	}
+	if ((mp->m_qflags & flags) == 0)
+		goto out_unlock;
 
 	/*
 	 * Write the LI_QUOTAOFF log record, and do SB changes atomically,
@@ -162,7 +158,7 @@ xfs_qm_scall_quotaoff(
 	 */
 	error = xfs_qm_log_quotaoff(mp, &qoffstart, flags);
 	if (error)
-		goto out_error;
+		goto out_unlock;
 
 	/*
 	 * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct
@@ -222,7 +218,7 @@ xfs_qm_scall_quotaoff(
 	if (error) {
 		/* We're screwed now. Shutdown is the only option. */
 		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
-		goto out_error;
+		goto out_unlock;
 	}
 
 	/*
@@ -230,27 +226,26 @@ xfs_qm_scall_quotaoff(
 	 */
 	if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) ||
 	    ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) {
-		mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
+		mutex_unlock(&q->qi_quotaofflock);
 		xfs_qm_destroy_quotainfo(mp);
 		return (0);
 	}
 
 	/*
-	 * Release our quotainode references, and vn_purge them,
-	 * if we don't need them anymore.
+	 * Release our quotainode references if we don't need them anymore.
 	 */
-	if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) {
-		IRELE(XFS_QI_UQIP(mp));
-		XFS_QI_UQIP(mp) = NULL;
+	if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) {
+		IRELE(q->qi_uquotaip);
+		q->qi_uquotaip = NULL;
 	}
-	if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) {
-		IRELE(XFS_QI_GQIP(mp));
-		XFS_QI_GQIP(mp) = NULL;
+	if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) {
+		IRELE(q->qi_gquotaip);
+		q->qi_gquotaip = NULL;
 	}
-out_error:
-	mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
 
-	return (error);
+out_unlock:
+	mutex_unlock(&q->qi_quotaofflock);
+	return error;
 }
 
 int
@@ -379,9 +374,9 @@ xfs_qm_scall_quotaon(
 	/*
 	 * Switch on quota enforcement in core.
 	 */
-	mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
+	mutex_lock(&mp->m_quotainfo->qi_quotaofflock);
 	mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD);
-	mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
+	mutex_unlock(&mp->m_quotainfo->qi_quotaofflock);
 
 	return (0);
 }
@@ -392,11 +387,12 @@ xfs_qm_scall_quotaon(
  */
 int
 xfs_qm_scall_getqstat(
-	xfs_mount_t	*mp,
-	fs_quota_stat_t *out)
+	struct xfs_mount	*mp,
+	struct fs_quota_stat	*out)
 {
-	xfs_inode_t	*uip, *gip;
-	boolean_t	tempuqip, tempgqip;
+	struct xfs_quotainfo	*q = mp->m_quotainfo;
+	struct xfs_inode	*uip, *gip;
+	boolean_t		tempuqip, tempgqip;
 
 	uip = gip = NULL;
 	tempuqip = tempgqip = B_FALSE;
@@ -415,9 +411,9 @@ xfs_qm_scall_getqstat(
 	out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;
 	out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
 
-	if (mp->m_quotainfo) {
-		uip = mp->m_quotainfo->qi_uquotaip;
-		gip = mp->m_quotainfo->qi_gquotaip;
+	if (q) {
+		uip = q->qi_uquotaip;
+		gip = q->qi_gquotaip;
 	}
 	if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {
 		if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
@@ -441,15 +437,15 @@ xfs_qm_scall_getqstat(
 		if (tempgqip)
 			IRELE(gip);
 	}
-	if (mp->m_quotainfo) {
-		out->qs_incoredqs = mp->m_quotainfo->qi_dquots;
-		out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp);
-		out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp);
-		out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp);
-		out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp);
-		out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp);
+	if (q) {
+		out->qs_incoredqs = q->qi_dquots;
+		out->qs_btimelimit = q->qi_btimelimit;
+		out->qs_itimelimit = q->qi_itimelimit;
+		out->qs_rtbtimelimit = q->qi_rtbtimelimit;
+		out->qs_bwarnlimit = q->qi_bwarnlimit;
+		out->qs_iwarnlimit = q->qi_iwarnlimit;
 	}
-	return (0);
+	return 0;
 }
 
 /*
@@ -462,6 +458,7 @@ xfs_qm_scall_setqlim(
 	uint			type,
 	fs_disk_quota_t		*newlim)
 {
+	struct xfs_quotainfo	*q = mp->m_quotainfo;
 	xfs_disk_dquot_t	*ddq;
 	xfs_dquot_t		*dqp;
 	xfs_trans_t		*tp;
@@ -485,7 +482,7 @@ xfs_qm_scall_setqlim(
 	 * a quotaoff from happening). (XXXThis doesn't currently happen
 	 * because we take the vfslock before calling xfs_qm_sysent).
 	 */
-	mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
+	mutex_lock(&q->qi_quotaofflock);
 
 	/*
 	 * Get the dquot (locked), and join it to the transaction.
@@ -493,9 +490,8 @@ xfs_qm_scall_setqlim(
 	 */
 	if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) {
 		xfs_trans_cancel(tp, XFS_TRANS_ABORT);
-		mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
 		ASSERT(error != ENOENT);
-		return (error);
+		goto out_unlock;
 	}
 	xfs_trans_dqjoin(tp, dqp);
 	ddq = &dqp->q_core;
@@ -513,8 +509,8 @@ xfs_qm_scall_setqlim(
 		ddq->d_blk_hardlimit = cpu_to_be64(hard);
 		ddq->d_blk_softlimit = cpu_to_be64(soft);
 		if (id == 0) {
-			mp->m_quotainfo->qi_bhardlimit = hard;
-			mp->m_quotainfo->qi_bsoftlimit = soft;
+			q->qi_bhardlimit = hard;
+			q->qi_bsoftlimit = soft;
 		}
 	} else {
 		qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft);
@@ -529,8 +525,8 @@ xfs_qm_scall_setqlim(
 		ddq->d_rtb_hardlimit = cpu_to_be64(hard);
 		ddq->d_rtb_softlimit = cpu_to_be64(soft);
 		if (id == 0) {
-			mp->m_quotainfo->qi_rtbhardlimit = hard;
-			mp->m_quotainfo->qi_rtbsoftlimit = soft;
+			q->qi_rtbhardlimit = hard;
+			q->qi_rtbsoftlimit = soft;
 		}
 	} else {
 		qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft);
@@ -546,8 +542,8 @@ xfs_qm_scall_setqlim(
 		ddq->d_ino_hardlimit = cpu_to_be64(hard);
 		ddq->d_ino_softlimit = cpu_to_be64(soft);
 		if (id == 0) {
-			mp->m_quotainfo->qi_ihardlimit = hard;
-			mp->m_quotainfo->qi_isoftlimit = soft;
+			q->qi_ihardlimit = hard;
+			q->qi_isoftlimit = soft;
 		}
 	} else {
 		qdprintk("ihard %Ld < isoft %Ld\n", hard, soft);
@@ -572,23 +568,23 @@ xfs_qm_scall_setqlim(
 		 * for warnings.
 		 */
 		if (newlim->d_fieldmask & FS_DQ_BTIMER) {
-			mp->m_quotainfo->qi_btimelimit = newlim->d_btimer;
+			q->qi_btimelimit = newlim->d_btimer;
 			ddq->d_btimer = cpu_to_be32(newlim->d_btimer);
 		}
 		if (newlim->d_fieldmask & FS_DQ_ITIMER) {
-			mp->m_quotainfo->qi_itimelimit = newlim->d_itimer;
+			q->qi_itimelimit = newlim->d_itimer;
 			ddq->d_itimer = cpu_to_be32(newlim->d_itimer);
 		}
 		if (newlim->d_fieldmask & FS_DQ_RTBTIMER) {
-			mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer;
+			q->qi_rtbtimelimit = newlim->d_rtbtimer;
 			ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer);
 		}
 		if (newlim->d_fieldmask & FS_DQ_BWARNS)
-			mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns;
+			q->qi_bwarnlimit = newlim->d_bwarns;
 		if (newlim->d_fieldmask & FS_DQ_IWARNS)
-			mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns;
+			q->qi_iwarnlimit = newlim->d_iwarns;
 		if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
-			mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns;
+			q->qi_rtbwarnlimit = newlim->d_rtbwarns;
 	} else {
 		/*
 		 * If the user is now over quota, start the timelimit.
@@ -605,8 +601,9 @@ xfs_qm_scall_setqlim(
 	error = xfs_trans_commit(tp, 0);
 	xfs_qm_dqprint(dqp);
 	xfs_qm_dqrele(dqp);
-	mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
 
+ out_unlock:
+	mutex_unlock(&q->qi_quotaofflock);
 	return error;
 }
 
@@ -853,7 +850,8 @@ xfs_dqrele_inode(
 	int			error;
 
 	/* skip quota inodes */
-	if (ip == XFS_QI_UQIP(ip->i_mount) || ip == XFS_QI_GQIP(ip->i_mount)) {
+	if (ip == ip->i_mount->m_quotainfo->qi_uquotaip ||
+	    ip == ip->i_mount->m_quotainfo->qi_gquotaip) {
 		ASSERT(ip->i_udquot == NULL);
 		ASSERT(ip->i_gdquot == NULL);
 		read_unlock(&pag->pag_ici_lock);
diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/quota/xfs_quota_priv.h
index 3eeee2e591d..f1179ffa5e9 100644
--- a/fs/xfs/quota/xfs_quota_priv.h
+++ b/fs/xfs/quota/xfs_quota_priv.h
@@ -24,22 +24,8 @@
  */
 #define XFS_DQITER_MAP_SIZE	10
 
-/* Number of dquots that fit in to a dquot block */
-#define XFS_QM_DQPERBLK(mp)	((mp)->m_quotainfo->qi_dqperchunk)
-
 #define XFS_DQ_IS_ADDEDTO_TRX(t, d)	((d)->q_transp == (t))
 
-#define XFS_QI_UQIP(mp)		((mp)->m_quotainfo->qi_uquotaip)
-#define XFS_QI_GQIP(mp)		((mp)->m_quotainfo->qi_gquotaip)
-#define XFS_QI_DQCHUNKLEN(mp)	((mp)->m_quotainfo->qi_dqchunklen)
-#define XFS_QI_BTIMELIMIT(mp)	((mp)->m_quotainfo->qi_btimelimit)
-#define XFS_QI_RTBTIMELIMIT(mp) ((mp)->m_quotainfo->qi_rtbtimelimit)
-#define XFS_QI_ITIMELIMIT(mp)	((mp)->m_quotainfo->qi_itimelimit)
-#define XFS_QI_BWARNLIMIT(mp)	((mp)->m_quotainfo->qi_bwarnlimit)
-#define XFS_QI_RTBWARNLIMIT(mp)	((mp)->m_quotainfo->qi_rtbwarnlimit)
-#define XFS_QI_IWARNLIMIT(mp)	((mp)->m_quotainfo->qi_iwarnlimit)
-#define XFS_QI_QOFFLOCK(mp)	((mp)->m_quotainfo->qi_quotaofflock)
-
 /*
  * Hash into a bucket in the dquot hash table, based on <mp, id>.
  */
diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c
index c3ab75cb1d9..5ae2e32ae7b 100644
--- a/fs/xfs/quota/xfs_trans_dquot.c
+++ b/fs/xfs/quota/xfs_trans_dquot.c
@@ -639,7 +639,7 @@ xfs_trans_dqresv(
 			softlimit = q->qi_bsoftlimit;
 		timer = be32_to_cpu(dqp->q_core.d_btimer);
 		warns = be16_to_cpu(dqp->q_core.d_bwarns);
-		warnlimit = XFS_QI_BWARNLIMIT(dqp->q_mount);
+		warnlimit = dqp->q_mount->m_quotainfo->qi_bwarnlimit;
 		resbcountp = &dqp->q_res_bcount;
 	} else {
 		ASSERT(flags & XFS_TRANS_DQ_RES_RTBLKS);
@@ -651,7 +651,7 @@ xfs_trans_dqresv(
 			softlimit = q->qi_rtbsoftlimit;
 		timer = be32_to_cpu(dqp->q_core.d_rtbtimer);
 		warns = be16_to_cpu(dqp->q_core.d_rtbwarns);
-		warnlimit = XFS_QI_RTBWARNLIMIT(dqp->q_mount);
+		warnlimit = dqp->q_mount->m_quotainfo->qi_rtbwarnlimit;
 		resbcountp = &dqp->q_res_rtbcount;
 	}
 
@@ -691,7 +691,7 @@ xfs_trans_dqresv(
 			count = be64_to_cpu(dqp->q_core.d_icount);
 			timer = be32_to_cpu(dqp->q_core.d_itimer);
 			warns = be16_to_cpu(dqp->q_core.d_iwarns);
-			warnlimit = XFS_QI_IWARNLIMIT(dqp->q_mount);
+			warnlimit = dqp->q_mount->m_quotainfo->qi_iwarnlimit;
 			hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit);
 			if (!hardlimit)
 				hardlimit = q->qi_ihardlimit;

From 191f8488f9f7600a96e1500ee2ee74a407e2eb1c Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 20 Apr 2010 17:01:53 +1000
Subject: [PATCH 2211/3638] xfs: remove a few macro indirections in the quota
 code

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/quota/xfs_dquot.c       | 16 +++++++++++-----
 fs/xfs/quota/xfs_qm.c          |  4 +++-
 fs/xfs/quota/xfs_quota_priv.h  | 13 -------------
 fs/xfs/quota/xfs_trans_dquot.c | 23 +++++++++++------------
 4 files changed, 25 insertions(+), 31 deletions(-)

diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 9b1e8be9882..b89ec5df012 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -956,16 +956,17 @@ xfs_qm_dqget(
 	 */
 	if (ip) {
 		xfs_ilock(ip, XFS_ILOCK_EXCL);
-		if (! XFS_IS_DQTYPE_ON(mp, type)) {
-			/* inode stays locked on return */
-			xfs_qm_dqdestroy(dqp);
-			return XFS_ERROR(ESRCH);
-		}
+
 		/*
 		 * A dquot could be attached to this inode by now, since
 		 * we had dropped the ilock.
 		 */
 		if (type == XFS_DQ_USER) {
+			if (!XFS_IS_UQUOTA_ON(mp)) {
+				/* inode stays locked on return */
+				xfs_qm_dqdestroy(dqp);
+				return XFS_ERROR(ESRCH);
+			}
 			if (ip->i_udquot) {
 				xfs_qm_dqdestroy(dqp);
 				dqp = ip->i_udquot;
@@ -973,6 +974,11 @@ xfs_qm_dqget(
 				goto dqret;
 			}
 		} else {
+			if (!XFS_IS_OQUOTA_ON(mp)) {
+				/* inode stays locked on return */
+				xfs_qm_dqdestroy(dqp);
+				return XFS_ERROR(ESRCH);
+			}
 			if (ip->i_gdquot) {
 				xfs_qm_dqdestroy(dqp);
 				dqp = ip->i_gdquot;
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 6ef2809b316..0abbdd72134 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -1591,8 +1591,10 @@ xfs_qm_quotacheck_dqadjust(
 
 	/*
 	 * Set default limits, adjust timers (since we changed usages)
+	 *
+	 * There are no timers for the default values set in the root dquot.
 	 */
-	if (! XFS_IS_SUSER_DQUOT(dqp)) {
+	if (dqp->q_core.d_id) {
 		xfs_qm_adjust_dqlimits(dqp->q_mount, &dqp->q_core);
 		xfs_qm_adjust_dqtimers(dqp->q_mount, &dqp->q_core);
 	}
diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/quota/xfs_quota_priv.h
index f1179ffa5e9..94a3d927d71 100644
--- a/fs/xfs/quota/xfs_quota_priv.h
+++ b/fs/xfs/quota/xfs_quota_priv.h
@@ -24,8 +24,6 @@
  */
 #define XFS_DQITER_MAP_SIZE	10
 
-#define XFS_DQ_IS_ADDEDTO_TRX(t, d)	((d)->q_transp == (t))
-
 /*
  * Hash into a bucket in the dquot hash table, based on <mp, id>.
  */
@@ -37,9 +35,6 @@
 				      XFS_DQ_HASHVAL(mp, id)) : \
 				     (xfs_Gqm->qm_grp_dqhtable + \
 				      XFS_DQ_HASHVAL(mp, id)))
-#define XFS_IS_DQTYPE_ON(mp, type)   (type == XFS_DQ_USER ? \
-					XFS_IS_UQUOTA_ON(mp) : \
-					XFS_IS_OQUOTA_ON(mp))
 #define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
 	!dqp->q_core.d_blk_hardlimit && \
 	!dqp->q_core.d_blk_softlimit && \
@@ -51,14 +46,6 @@
 	!dqp->q_core.d_rtbcount && \
 	!dqp->q_core.d_icount)
 
-#define XFS_DQ_IS_LOGITEM_INITD(dqp)	((dqp)->q_logitem.qli_dquot == (dqp))
-
-#define XFS_QM_DQP_TO_DQACCT(tp, dqp)	(XFS_QM_ISUDQ(dqp) ? \
-					 (tp)->t_dqinfo->dqa_usrdquots : \
-					 (tp)->t_dqinfo->dqa_grpdquots)
-#define XFS_IS_SUSER_DQUOT(dqp)		\
-	(!((dqp)->q_core.d_id))
-
 #define DQFLAGTO_TYPESTR(d)	(((d)->dq_flags & XFS_DQ_USER) ? "USR" : \
 				 (((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : \
 				 (((d)->dq_flags & XFS_DQ_PROJ) ? "PRJ":"???")))
diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c
index 5ae2e32ae7b..061d827da33 100644
--- a/fs/xfs/quota/xfs_trans_dquot.c
+++ b/fs/xfs/quota/xfs_trans_dquot.c
@@ -59,12 +59,11 @@ xfs_trans_dqjoin(
 	xfs_trans_t	*tp,
 	xfs_dquot_t	*dqp)
 {
-	xfs_dq_logitem_t    *lp;
+	xfs_dq_logitem_t    *lp = &dqp->q_logitem;
 
-	ASSERT(! XFS_DQ_IS_ADDEDTO_TRX(tp, dqp));
+	ASSERT(dqp->q_transp != tp);
 	ASSERT(XFS_DQ_IS_LOCKED(dqp));
-	ASSERT(XFS_DQ_IS_LOGITEM_INITD(dqp));
-	lp = &dqp->q_logitem;
+	ASSERT(lp->qli_dquot == dqp);
 
 	/*
 	 * Get a log_item_desc to point at the new item.
@@ -96,7 +95,7 @@ xfs_trans_log_dquot(
 {
 	xfs_log_item_desc_t	*lidp;
 
-	ASSERT(XFS_DQ_IS_ADDEDTO_TRX(tp, dqp));
+	ASSERT(dqp->q_transp == tp);
 	ASSERT(XFS_DQ_IS_LOCKED(dqp));
 
 	lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)(&dqp->q_logitem));
@@ -198,16 +197,16 @@ xfs_trans_get_dqtrx(
 	int		i;
 	xfs_dqtrx_t	*qa;
 
-	for (i = 0; i < XFS_QM_TRANS_MAXDQS; i++) {
-		qa = XFS_QM_DQP_TO_DQACCT(tp, dqp);
+	qa = XFS_QM_ISUDQ(dqp) ?
+		tp->t_dqinfo->dqa_usrdquots : tp->t_dqinfo->dqa_grpdquots;
 
+	for (i = 0; i < XFS_QM_TRANS_MAXDQS; i++) {
 		if (qa[i].qt_dquot == NULL ||
-		    qa[i].qt_dquot == dqp) {
-			return (&qa[i]);
-		}
+		    qa[i].qt_dquot == dqp)
+			return &qa[i];
 	}
 
-	return (NULL);
+	return NULL;
 }
 
 /*
@@ -381,7 +380,7 @@ xfs_trans_apply_dquot_deltas(
 				break;
 
 			ASSERT(XFS_DQ_IS_LOCKED(dqp));
-			ASSERT(XFS_DQ_IS_ADDEDTO_TRX(tp, dqp));
+			ASSERT(dqp->q_transp == tp);
 
 			/*
 			 * adjust the actual number of blocks used

From 8112e9dc6d1494078122146647981bc02a452d6a Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 20 Apr 2010 17:02:29 +1000
Subject: [PATCH 2212/3638] xfs: removed unused XFS_QMOPT_ flags

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/quota/xfs_qm.c          | 4 ++--
 fs/xfs/quota/xfs_qm_syscalls.c | 2 +-
 fs/xfs/xfs_quota.h             | 3 ---
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 0abbdd72134..b5145201d85 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -321,7 +321,7 @@ xfs_qm_unmount(
 	struct xfs_mount	*mp)
 {
 	if (mp->m_quotainfo) {
-		xfs_qm_dqpurge_all(mp, XFS_QMOPT_QUOTALL | XFS_QMOPT_UMOUNTING);
+		xfs_qm_dqpurge_all(mp, XFS_QMOPT_QUOTALL);
 		xfs_qm_destroy_quotainfo(mp);
 	}
 }
@@ -1825,7 +1825,7 @@ xfs_qm_quotacheck(
 	 * at this point (because we intentionally didn't in dqget_noattach).
 	 */
 	if (error) {
-		xfs_qm_dqpurge_all(mp, XFS_QMOPT_QUOTALL | XFS_QMOPT_QUOTAOFF);
+		xfs_qm_dqpurge_all(mp, XFS_QMOPT_QUOTALL);
 		goto error_return;
 	}
 
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 0688019984b..26fa43140f2 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -200,7 +200,7 @@ xfs_qm_scall_quotaoff(
 	 * So, if we couldn't purge all the dquots from the filesystem,
 	 * we can't get rid of the incore data structures.
 	 */
-	while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF)))
+	while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype)))
 		delay(10 * nculprits);
 
 	/*
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index fdcab3f81dd..e0e64b113bd 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -201,9 +201,6 @@ typedef struct xfs_qoff_logformat {
 #define XFS_QMOPT_FORCE_RES	0x0000010 /* ignore quota limits */
 #define XFS_QMOPT_DQSUSER	0x0000020 /* don't cache super users dquot */
 #define XFS_QMOPT_SBVERSION	0x0000040 /* change superblock version num */
-#define XFS_QMOPT_QUOTAOFF	0x0000080 /* quotas are being turned off */
-#define XFS_QMOPT_UMOUNTING	0x0000100 /* filesys is being unmounted */
-#define XFS_QMOPT_DOLOG		0x0000200 /* log buf changes (in quotacheck) */
 #define XFS_QMOPT_DOWARN        0x0000400 /* increase warning cnt if needed */
 #define XFS_QMOPT_DQREPAIR	0x0001000 /* repair dquot if damaged */
 #define XFS_QMOPT_GQUOTA	0x0002000 /* group dquot requested */

From 1414a6046ab402ac21545522270c32c576327eb9 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 20 Apr 2010 17:02:50 +1000
Subject: [PATCH 2213/3638] xfs: remove dead XFS_LOUD_RECOVERY code

This can't be enabled through the build system and has been dead for
ages.  Note that the CRC patches add back log checksumming, but the
code is quite different from the version removed here anyway.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
---
 fs/xfs/quota/xfs_qm.c    |  8 -----
 fs/xfs/xfs_log_recover.c | 67 ----------------------------------------
 fs/xfs/xfs_mount.c       |  7 -----
 3 files changed, 82 deletions(-)

diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index b5145201d85..38e76414664 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -1331,9 +1331,6 @@ xfs_qm_qino_alloc(
 	 */
 	spin_lock(&mp->m_sb_lock);
 	if (flags & XFS_QMOPT_SBVERSION) {
-#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
-		unsigned oldv = mp->m_sb.sb_versionnum;
-#endif
 		ASSERT(!xfs_sb_version_hasquota(&mp->m_sb));
 		ASSERT((sbfields & (XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
 				   XFS_SB_GQUOTINO | XFS_SB_QFLAGS)) ==
@@ -1346,11 +1343,6 @@ xfs_qm_qino_alloc(
 
 		/* qflags will get updated _after_ quotacheck */
 		mp->m_sb.sb_qflags = 0;
-#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
-		cmn_err(CE_NOTE,
-			"Old superblock version %x, converting to %x.",
-			oldv, mp->m_sb.sb_versionnum);
-#endif
 	}
 	if (flags & XFS_QMOPT_UQUOTA)
 		mp->m_sb.sb_uquotino = (*ip)->i_ino;
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 3bfff4220a7..e5b74db5d2e 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3394,42 +3394,6 @@ xlog_pack_data(
 	}
 }
 
-#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
-STATIC void
-xlog_unpack_data_checksum(
-	xlog_rec_header_t	*rhead,
-	xfs_caddr_t		dp,
-	xlog_t			*log)
-{
-	__be32			*up = (__be32 *)dp;
-	uint			chksum = 0;
-	int			i;
-
-	/* divide length by 4 to get # words */
-	for (i=0; i < be32_to_cpu(rhead->h_len) >> 2; i++) {
-		chksum ^= be32_to_cpu(*up);
-		up++;
-	}
-	if (chksum != be32_to_cpu(rhead->h_chksum)) {
-	    if (rhead->h_chksum ||
-		((log->l_flags & XLOG_CHKSUM_MISMATCH) == 0)) {
-		    cmn_err(CE_DEBUG,
-			"XFS: LogR chksum mismatch: was (0x%x) is (0x%x)\n",
-			    be32_to_cpu(rhead->h_chksum), chksum);
-		    cmn_err(CE_DEBUG,
-"XFS: Disregard message if filesystem was created with non-DEBUG kernel");
-		    if (xfs_sb_version_haslogv2(&log->l_mp->m_sb)) {
-			    cmn_err(CE_DEBUG,
-				"XFS: LogR this is a LogV2 filesystem\n");
-		    }
-		    log->l_flags |= XLOG_CHKSUM_MISMATCH;
-	    }
-	}
-}
-#else
-#define xlog_unpack_data_checksum(rhead, dp, log)
-#endif
-
 STATIC void
 xlog_unpack_data(
 	xlog_rec_header_t	*rhead,
@@ -3453,8 +3417,6 @@ xlog_unpack_data(
 			dp += BBSIZE;
 		}
 	}
-
-	xlog_unpack_data_checksum(rhead, dp, log);
 }
 
 STATIC int
@@ -4009,10 +3971,6 @@ xlog_recover_check_summary(
 	xfs_agf_t	*agfp;
 	xfs_buf_t	*agfbp;
 	xfs_buf_t	*agibp;
-	xfs_buf_t	*sbbp;
-#ifdef XFS_LOUD_RECOVERY
-	xfs_sb_t	*sbp;
-#endif
 	xfs_agnumber_t	agno;
 	__uint64_t	freeblks;
 	__uint64_t	itotal;
@@ -4047,30 +4005,5 @@ xlog_recover_check_summary(
 			xfs_buf_relse(agibp);
 		}
 	}
-
-	sbbp = xfs_getsb(mp, 0);
-#ifdef XFS_LOUD_RECOVERY
-	sbp = &mp->m_sb;
-	xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(sbbp));
-	cmn_err(CE_NOTE,
-		"xlog_recover_check_summary: sb_icount %Lu itotal %Lu",
-		sbp->sb_icount, itotal);
-	cmn_err(CE_NOTE,
-		"xlog_recover_check_summary: sb_ifree %Lu itotal %Lu",
-		sbp->sb_ifree, ifree);
-	cmn_err(CE_NOTE,
-		"xlog_recover_check_summary: sb_fdblocks %Lu freeblks %Lu",
-		sbp->sb_fdblocks, freeblks);
-#if 0
-	/*
-	 * This is turned off until I account for the allocation
-	 * btree blocks which live in free space.
-	 */
-	ASSERT(sbp->sb_icount == itotal);
-	ASSERT(sbp->sb_ifree == ifree);
-	ASSERT(sbp->sb_fdblocks == freeblks);
-#endif
-#endif
-	xfs_buf_relse(sbbp);
 }
 #endif /* DEBUG */
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index e79b56b4bca..d7bf38c8cd1 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1405,13 +1405,6 @@ xfs_mountfs(
 		xfs_qm_mount_quotas(mp);
 	}
 
-#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
-	if (XFS_IS_QUOTA_ON(mp))
-		xfs_fs_cmn_err(CE_NOTE, mp, "Disk quotas turned on");
-	else
-		xfs_fs_cmn_err(CE_NOTE, mp, "Disk quotas not turned on");
-#endif
-
 	/*
 	 * Now we are mounted, reserve a small amount of unused space for
 	 * privileged transactions. This is needed so that transaction

From 69ce58f08a3c455ff74cfcde90e9ab267d67f636 Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Tue, 20 Apr 2010 17:09:59 +1000
Subject: [PATCH 2214/3638] xfs: record log sector size rather than log2(that)

Change struct log so it keeps track of the size (in basic blocks) of
a log sector in l_sectBBsize rather than the log-base-2 of that
value (previously, l_sectbb_log).  The name was chosen for
consistency with the other fields in the structure that represent
a number of basic blocks.

(Updated so that a variable used in computing and verifying a log's
sector size is named "log2_size".  Also added the "BB" to the
structure field name, based on feedback from Eric Sandeen.  Also
dropped some superfluous parentheses.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
---
 fs/xfs/xfs_log.c         | 33 ++++++++++++++++++---------------
 fs/xfs/xfs_log_priv.h    |  2 +-
 fs/xfs/xfs_log_recover.c | 27 ++++++++++++---------------
 3 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 77593c2ead4..36e09e362f7 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1039,6 +1039,7 @@ xlog_alloc_log(xfs_mount_t	*mp,
 	int			i;
 	int			iclogsize;
 	int			error = ENOMEM;
+	uint			log2_size = 0;
 
 	log = kmem_zalloc(sizeof(xlog_t), KM_MAYFAIL);
 	if (!log) {
@@ -1064,29 +1065,31 @@ xlog_alloc_log(xfs_mount_t	*mp,
 
 	error = EFSCORRUPTED;
 	if (xfs_sb_version_hassector(&mp->m_sb)) {
-		log->l_sectbb_log = mp->m_sb.sb_logsectlog - BBSHIFT;
-		if (log->l_sectbb_log < 0 ||
-		    log->l_sectbb_log > mp->m_sectbb_log) {
-			xlog_warn("XFS: Log sector size (0x%x) out of range.",
-						log->l_sectbb_log);
+	        log2_size = mp->m_sb.sb_logsectlog;
+		if (log2_size < BBSHIFT) {
+			xlog_warn("XFS: Log sector size too small "
+				"(0x%x < 0x%x)", log2_size, BBSHIFT);
+			goto out_free_log;
+		}
+
+	        log2_size -= BBSHIFT;
+		if (log2_size > mp->m_sectbb_log) {
+			xlog_warn("XFS: Log sector size too large "
+				"(0x%x > 0x%x)", log2_size, mp->m_sectbb_log);
 			goto out_free_log;
 		}
 
 		/* for larger sector sizes, must have v2 or external log */
-		if (log->l_sectbb_log != 0 &&
-		    (log->l_logBBstart != 0 &&
-		     !xfs_sb_version_haslogv2(&mp->m_sb))) {
+		if (log2_size && log->l_logBBstart > 0 &&
+			    !xfs_sb_version_haslogv2(&mp->m_sb)) {
+
 			xlog_warn("XFS: log sector size (0x%x) invalid "
-				  "for configuration.", log->l_sectbb_log);
-			goto out_free_log;
-		}
-		if (mp->m_sb.sb_logsectlog < BBSHIFT) {
-			xlog_warn("XFS: Log sector log (0x%x) too small.",
-						mp->m_sb.sb_logsectlog);
+				  "for configuration.", log2_size);
 			goto out_free_log;
 		}
 	}
-	log->l_sectbb_mask = (1 << log->l_sectbb_log) - 1;
+	log->l_sectBBsize = 1 << log2_size;
+	log->l_sectbb_mask = log->l_sectBBsize - 1;
 
 	xlog_get_iclog_buffer_size(mp, log);
 
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 2f2b5ca2a00..56f221d7bf6 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -396,7 +396,7 @@ typedef struct log {
 	struct xfs_buf_cancel	**l_buf_cancel_table;
 	int			l_iclog_hsize;  /* size of iclog header */
 	int			l_iclog_heads;  /* # of iclog header sectors */
-	uint			l_sectbb_log;   /* log2 of sector size in BBs */
+	uint			l_sectBBsize;   /* sector size in BBs */
 	uint			l_sectbb_mask;  /* sector size (in BBs)
 						 * alignment mask */
 	int			l_iclog_size;	/* size of log in bytes */
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index e5b74db5d2e..f1220ec1896 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -60,9 +60,6 @@ STATIC void	xlog_recover_check_summary(xlog_t *);
  * Sector aligned buffer routines for buffer create/read/write/access
  */
 
-/* Number of basic blocks in a log sector */
-#define xlog_sectbb(log) (1 << (log)->l_sectbb_log)
-
 /*
  * Verify the given count of basic blocks is valid number of blocks
  * to specify for an operation involving the given XFS log buffer.
@@ -110,9 +107,9 @@ xlog_get_bp(
 	 * extend the buffer by one extra log sector to ensure
 	 * there's space to accomodate this possiblility.
 	 */
-	if (nbblks > 1 && log->l_sectbb_log)
-		nbblks += xlog_sectbb(log);
-	nbblks = round_up(nbblks, xlog_sectbb(log));
+	if (nbblks > 1 && log->l_sectBBsize > 1)
+		nbblks += log->l_sectBBsize;
+	nbblks = round_up(nbblks, log->l_sectBBsize);
 
 	return xfs_buf_get_noaddr(BBTOB(nbblks), log->l_mp->m_logdev_targp);
 }
@@ -133,7 +130,7 @@ xlog_align(
 {
 	xfs_caddr_t	ptr;
 
-	if (!log->l_sectbb_log)
+	if (log->l_sectBBsize == 1)
 		return XFS_BUF_PTR(bp);
 
 	ptr = XFS_BUF_PTR(bp) + BBTOB((int)blk_no & log->l_sectbb_mask);
@@ -162,8 +159,8 @@ xlog_bread_noalign(
 		return EFSCORRUPTED;
 	}
 
-	blk_no = round_down(blk_no, xlog_sectbb(log));
-	nbblks = round_up(nbblks, xlog_sectbb(log));
+	blk_no = round_down(blk_no, log->l_sectBBsize);
+	nbblks = round_up(nbblks, log->l_sectBBsize);
 
 	ASSERT(nbblks > 0);
 	ASSERT(BBTOB(nbblks) <= XFS_BUF_SIZE(bp));
@@ -221,8 +218,8 @@ xlog_bwrite(
 		return EFSCORRUPTED;
 	}
 
-	blk_no = round_down(blk_no, xlog_sectbb(log));
-	nbblks = round_up(nbblks, xlog_sectbb(log));
+	blk_no = round_down(blk_no, log->l_sectBBsize);
+	nbblks = round_up(nbblks, log->l_sectBBsize);
 
 	ASSERT(nbblks > 0);
 	ASSERT(BBTOB(nbblks) <= XFS_BUF_SIZE(bp));
@@ -410,7 +407,7 @@ xlog_find_verify_cycle(
 	bufblks = 1 << ffs(nbblks);
 	while (!(bp = xlog_get_bp(log, bufblks))) {
 		bufblks >>= 1;
-		if (bufblks < xlog_sectbb(log))
+		if (bufblks < log->l_sectBBsize)
 			return ENOMEM;
 	}
 
@@ -1181,7 +1178,7 @@ xlog_write_log_records(
 	xfs_caddr_t	offset;
 	xfs_buf_t	*bp;
 	int		balign, ealign;
-	int		sectbb = xlog_sectbb(log);
+	int		sectbb = log->l_sectBBsize;
 	int		end_block = start_block + blocks;
 	int		bufblks;
 	int		error = 0;
@@ -1196,7 +1193,7 @@ xlog_write_log_records(
 	bufblks = 1 << ffs(blocks);
 	while (!(bp = xlog_get_bp(log, bufblks))) {
 		bufblks >>= 1;
-		if (bufblks < xlog_sectbb(log))
+		if (bufblks < sectbb)
 			return ENOMEM;
 	}
 
@@ -3515,7 +3512,7 @@ xlog_do_recovery_pass(
 			hblks = 1;
 		}
 	} else {
-		ASSERT(log->l_sectbb_log == 0);
+		ASSERT(log->l_sectBBsize == 1);
 		hblks = 1;
 		hbp = xlog_get_bp(log, 1);
 		h_size = XLOG_BIG_RECORD_BSIZE;

From 48389ef17583f2214bbd2c119b3015677419c16b Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Tue, 20 Apr 2010 17:10:21 +1000
Subject: [PATCH 2215/3638] xfs: kill off l_sectbb_mask

There remains only one user of the l_sectbb_mask field in the log
structure.  Just kill it off and compute the mask where needed from
the power-of-2 sector size.

(Only update from last post is to accomodate the changes in the
previous patch in the series.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_log.c         |  1 -
 fs/xfs/xfs_log_priv.h    |  4 +---
 fs/xfs/xfs_log_recover.c | 14 +++++++++-----
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 36e09e362f7..3038dd52c72 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1089,7 +1089,6 @@ xlog_alloc_log(xfs_mount_t	*mp,
 		}
 	}
 	log->l_sectBBsize = 1 << log2_size;
-	log->l_sectbb_mask = log->l_sectBBsize - 1;
 
 	xlog_get_iclog_buffer_size(mp, log);
 
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 56f221d7bf6..9cf69515445 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -396,9 +396,7 @@ typedef struct log {
 	struct xfs_buf_cancel	**l_buf_cancel_table;
 	int			l_iclog_hsize;  /* size of iclog header */
 	int			l_iclog_heads;  /* # of iclog header sectors */
-	uint			l_sectBBsize;   /* sector size in BBs */
-	uint			l_sectbb_mask;  /* sector size (in BBs)
-						 * alignment mask */
+	uint			l_sectBBsize;   /* sector size in BBs (2^n) */
 	int			l_iclog_size;	/* size of log in bytes */
 	int			l_iclog_size_log; /* log power size of log */
 	int			l_iclog_bufs;	/* number of iclog buffers */
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index f1220ec1896..0de08e36631 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -121,6 +121,10 @@ xlog_put_bp(
 	xfs_buf_free(bp);
 }
 
+/*
+ * Return the address of the start of the given block number's data
+ * in a log buffer.  The buffer covers a log sector-aligned region.
+ */
 STATIC xfs_caddr_t
 xlog_align(
 	xlog_t		*log,
@@ -128,14 +132,14 @@ xlog_align(
 	int		nbblks,
 	xfs_buf_t	*bp)
 {
+	xfs_daddr_t	offset;
 	xfs_caddr_t	ptr;
 
-	if (log->l_sectBBsize == 1)
-		return XFS_BUF_PTR(bp);
+	offset = blk_no & ((xfs_daddr_t) log->l_sectBBsize - 1);
+	ptr = XFS_BUF_PTR(bp) + BBTOB(offset);
+
+	ASSERT(ptr + BBTOB(nbblks) <= XFS_BUF_PTR(bp) + XFS_BUF_SIZE(bp));
 
-	ptr = XFS_BUF_PTR(bp) + BBTOB((int)blk_no & log->l_sectbb_mask);
-	ASSERT(XFS_BUF_SIZE(bp) >=
-		BBTOB(nbblks + (blk_no & log->l_sectbb_mask)));
 	return ptr;
 }
 

From 2d1ff3c75a4642062d314634290be6d8da4ffb03 Mon Sep 17 00:00:00 2001
From: Tao Ma <tao.ma@oracle.com>
Date: Thu, 29 Apr 2010 15:13:56 +1000
Subject: [PATCH 2216/3638] xfs: Make fiemap work in query mode.

According to Documentation/filesystems/fiemap.txt, If fm_extent_count
is zero, then the fm_extents[] array is ignored (no extents will be
returned), and the fm_mapped_extents count will hold the number of
extents needed.

But as the commit 97db39a1f6f69e906e98118392400de5217aa33a has changed
bmv_count to the caller's input buffer, this number query function can't
work any more. As this commit is written to change bmv_count from
MAXEXTNUM because of ENOMEM.

This patch just try to  set bm.bmv_count to something sane.
Thanks to Dave Chinner <david@fromorbit.com> for the suggestion.

Cc: Eric Sandeen <sandeen@redhat.com>
Cc: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
---
 fs/xfs/linux-2.6/xfs_iops.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index e65a7937f3a..9c8019c78c9 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -673,7 +673,10 @@ xfs_vn_fiemap(
 		bm.bmv_length = BTOBB(length);
 
 	/* We add one because in getbmap world count includes the header */
-	bm.bmv_count = fieinfo->fi_extents_max + 1;
+	bm.bmv_count = !fieinfo->fi_extents_max ? MAXEXTNUM :
+					fieinfo->fi_extents_max + 1;
+	bm.bmv_count = min_t(__s32, bm.bmv_count,
+			     (PAGE_SIZE * 16 / sizeof(struct getbmapx)));
 	bm.bmv_iflags = BMV_IF_PREALLOC;
 	if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR)
 		bm.bmv_iflags |= BMV_IF_ATTRFORK;

From 4a5224d7b167e5470ad34e5b1b6965a16f87854f Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Sun, 18 Apr 2010 00:10:45 +0000
Subject: [PATCH 2217/3638] xfs: simplify buffer to transaction matching

We currenly have a routine xfs_trans_buf_item_match_all which checks
if any log item in a transaction contains a given buffer, and a
second one that only does this check for the first, embedded chunk
of log items.  We only use the second routine if we know we only
have that log item chunk, so get rid of the limited routine and
always use the more complete one.

Also rename the old xfs_trans_buf_item_match_all to
xfs_trans_buf_item_match and update various surrounding comments,
and move the remaining xfs_trans_buf_item_match on top of the file
to avoid a forward prototype.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_trans_buf.c | 184 +++++++++++------------------------------
 1 file changed, 46 insertions(+), 138 deletions(-)

diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 4e1b6892c10..9cd809025f3 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -40,11 +40,51 @@
 #include "xfs_rw.h"
 #include "xfs_trace.h"
 
+/*
+ * Check to see if a buffer matching the given parameters is already
+ * a part of the given transaction.
+ */
+STATIC struct xfs_buf *
+xfs_trans_buf_item_match(
+	struct xfs_trans	*tp,
+	struct xfs_buftarg	*target,
+	xfs_daddr_t		blkno,
+	int			len)
+{
+	xfs_log_item_chunk_t	*licp;
+	xfs_log_item_desc_t	*lidp;
+	xfs_buf_log_item_t	*blip;
+	int			i;
 
-STATIC xfs_buf_t *xfs_trans_buf_item_match(xfs_trans_t *, xfs_buftarg_t *,
-		xfs_daddr_t, int);
-STATIC xfs_buf_t *xfs_trans_buf_item_match_all(xfs_trans_t *, xfs_buftarg_t *,
-		xfs_daddr_t, int);
+	len = BBTOB(len);
+	for (licp = &tp->t_items; licp != NULL; licp = licp->lic_next) {
+		if (xfs_lic_are_all_free(licp)) {
+			ASSERT(licp == &tp->t_items);
+			ASSERT(licp->lic_next == NULL);
+			return NULL;
+		}
+
+		for (i = 0; i < licp->lic_unused; i++) {
+			/*
+			 * Skip unoccupied slots.
+			 */
+			if (xfs_lic_isfree(licp, i))
+				continue;
+
+			lidp = xfs_lic_slot(licp, i);
+			blip = (xfs_buf_log_item_t *)lidp->lid_item;
+			if (blip->bli_item.li_type != XFS_LI_BUF)
+				continue;
+
+			if (XFS_BUF_TARGET(blip->bli_buf) == target &&
+			    XFS_BUF_ADDR(blip->bli_buf) == blkno &&
+			    XFS_BUF_COUNT(blip->bli_buf) == len)
+				return blip->bli_buf;
+		}
+	}
+
+	return NULL;
+}
 
 /*
  * Add the locked buffer to the transaction.
@@ -112,14 +152,6 @@ xfs_trans_bjoin(
  * within the transaction, just increment its lock recursion count
  * and return a pointer to it.
  *
- * Use the fast path function xfs_trans_buf_item_match() or the buffer
- * cache routine incore_match() to find the buffer
- * if it is already owned by this transaction.
- *
- * If we don't already own the buffer, use get_buf() to get it.
- * If it doesn't yet have an associated xfs_buf_log_item structure,
- * then allocate one and add the item to this transaction.
- *
  * If the transaction pointer is NULL, make this just a normal
  * get_buf() call.
  */
@@ -149,11 +181,7 @@ xfs_trans_get_buf(xfs_trans_t	*tp,
 	 * have it locked.  In this case we just increment the lock
 	 * recursion count and return the buffer to the caller.
 	 */
-	if (tp->t_items.lic_next == NULL) {
-		bp = xfs_trans_buf_item_match(tp, target_dev, blkno, len);
-	} else {
-		bp  = xfs_trans_buf_item_match_all(tp, target_dev, blkno, len);
-	}
+	bp = xfs_trans_buf_item_match(tp, target_dev, blkno, len);
 	if (bp != NULL) {
 		ASSERT(XFS_BUF_VALUSEMA(bp) <= 0);
 		if (XFS_FORCED_SHUTDOWN(tp->t_mountp))
@@ -259,14 +287,6 @@ int	xfs_error_mod = 33;
  * within the transaction and already read in, just increment its
  * lock recursion count and return a pointer to it.
  *
- * Use the fast path function xfs_trans_buf_item_match() or the buffer
- * cache routine incore_match() to find the buffer
- * if it is already owned by this transaction.
- *
- * If we don't already own the buffer, use read_buf() to get it.
- * If it doesn't yet have an associated xfs_buf_log_item structure,
- * then allocate one and add the item to this transaction.
- *
  * If the transaction pointer is NULL, make this just a normal
  * read_buf() call.
  */
@@ -328,11 +348,7 @@ xfs_trans_read_buf(
 	 * If the buffer is not yet read in, then we read it in, increment
 	 * the lock recursion count, and return it to the caller.
 	 */
-	if (tp->t_items.lic_next == NULL) {
-		bp = xfs_trans_buf_item_match(tp, target, blkno, len);
-	} else {
-		bp = xfs_trans_buf_item_match_all(tp, target, blkno, len);
-	}
+	bp = xfs_trans_buf_item_match(tp, target, blkno, len);
 	if (bp != NULL) {
 		ASSERT(XFS_BUF_VALUSEMA(bp) <= 0);
 		ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp);
@@ -901,111 +917,3 @@ xfs_trans_dquot_buf(
 
 	bip->bli_format.blf_flags |= type;
 }
-
-/*
- * Check to see if a buffer matching the given parameters is already
- * a part of the given transaction.  Only check the first, embedded
- * chunk, since we don't want to spend all day scanning large transactions.
- */
-STATIC xfs_buf_t *
-xfs_trans_buf_item_match(
-	xfs_trans_t	*tp,
-	xfs_buftarg_t	*target,
-	xfs_daddr_t	blkno,
-	int		len)
-{
-	xfs_log_item_chunk_t	*licp;
-	xfs_log_item_desc_t	*lidp;
-	xfs_buf_log_item_t	*blip;
-	xfs_buf_t		*bp;
-	int			i;
-
-	bp = NULL;
-	len = BBTOB(len);
-	licp = &tp->t_items;
-	if (!xfs_lic_are_all_free(licp)) {
-		for (i = 0; i < licp->lic_unused; i++) {
-			/*
-			 * Skip unoccupied slots.
-			 */
-			if (xfs_lic_isfree(licp, i)) {
-				continue;
-			}
-
-			lidp = xfs_lic_slot(licp, i);
-			blip = (xfs_buf_log_item_t *)lidp->lid_item;
-			if (blip->bli_item.li_type != XFS_LI_BUF) {
-				continue;
-			}
-
-			bp = blip->bli_buf;
-			if ((XFS_BUF_TARGET(bp) == target) &&
-			    (XFS_BUF_ADDR(bp) == blkno) &&
-			    (XFS_BUF_COUNT(bp) == len)) {
-				/*
-				 * We found it.  Break out and
-				 * return the pointer to the buffer.
-				 */
-				break;
-			} else {
-				bp = NULL;
-			}
-		}
-	}
-	return bp;
-}
-
-/*
- * Check to see if a buffer matching the given parameters is already
- * a part of the given transaction.  Check all the chunks, we
- * want to be thorough.
- */
-STATIC xfs_buf_t *
-xfs_trans_buf_item_match_all(
-	xfs_trans_t	*tp,
-	xfs_buftarg_t	*target,
-	xfs_daddr_t	blkno,
-	int		len)
-{
-	xfs_log_item_chunk_t	*licp;
-	xfs_log_item_desc_t	*lidp;
-	xfs_buf_log_item_t	*blip;
-	xfs_buf_t		*bp;
-	int			i;
-
-	bp = NULL;
-	len = BBTOB(len);
-	for (licp = &tp->t_items; licp != NULL; licp = licp->lic_next) {
-		if (xfs_lic_are_all_free(licp)) {
-			ASSERT(licp == &tp->t_items);
-			ASSERT(licp->lic_next == NULL);
-			return NULL;
-		}
-		for (i = 0; i < licp->lic_unused; i++) {
-			/*
-			 * Skip unoccupied slots.
-			 */
-			if (xfs_lic_isfree(licp, i)) {
-				continue;
-			}
-
-			lidp = xfs_lic_slot(licp, i);
-			blip = (xfs_buf_log_item_t *)lidp->lid_item;
-			if (blip->bli_item.li_type != XFS_LI_BUF) {
-				continue;
-			}
-
-			bp = blip->bli_buf;
-			if ((XFS_BUF_TARGET(bp) == target) &&
-			    (XFS_BUF_ADDR(bp) == blkno) &&
-			    (XFS_BUF_COUNT(bp) == len)) {
-				/*
-				 * We found it.  Break out and
-				 * return the pointer to the buffer.
-				 */
-				return bp;
-			}
-		}
-	}
-	return NULL;
-}

From 826bf0adce0cddd9c94c2706b63d181dfc5cdaaa Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:51 +0000
Subject: [PATCH 2218/3638] xfs: limit xfs_imap_to_bmap to a single mapping

We only call xfs_iomap for single mappings anyway, so remove all
code dealing with multiple mappings from xfs_imap_to_bmap and add
asserts that we never get results that we do not expect.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_iomap.c | 64 ++++++++++++++++++++--------------------------
 1 file changed, 28 insertions(+), 36 deletions(-)

diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 0b65039951a..2d9bce7fcf8 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -55,49 +55,41 @@
 #define XFS_STRAT_WRITE_IMAPS	2
 #define XFS_WRITE_IMAPS		XFS_BMAP_MAX_NMAP
 
-STATIC int
+STATIC void
 xfs_imap_to_bmap(
 	xfs_inode_t	*ip,
 	xfs_off_t	offset,
 	xfs_bmbt_irec_t *imap,
 	xfs_iomap_t	*iomapp,
 	int		imaps,			/* Number of imap entries */
-	int		iomaps,			/* Number of iomap entries */
 	int		flags)
 {
 	xfs_mount_t	*mp = ip->i_mount;
-	int		pbm;
 	xfs_fsblock_t	start_block;
 
+	iomapp->iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff);
+	iomapp->iomap_delta = offset - iomapp->iomap_offset;
+	iomapp->iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
+	iomapp->iomap_flags = flags;
 
-	for (pbm = 0; imaps && pbm < iomaps; imaps--, iomapp++, imap++, pbm++) {
-		iomapp->iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff);
-		iomapp->iomap_delta = offset - iomapp->iomap_offset;
-		iomapp->iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
-		iomapp->iomap_flags = flags;
-
-		if (XFS_IS_REALTIME_INODE(ip)) {
-			iomapp->iomap_flags |= IOMAP_REALTIME;
-			iomapp->iomap_target = mp->m_rtdev_targp;
-		} else {
-			iomapp->iomap_target = mp->m_ddev_targp;
-		}
-		start_block = imap->br_startblock;
-		if (start_block == HOLESTARTBLOCK) {
-			iomapp->iomap_bn = IOMAP_DADDR_NULL;
-			iomapp->iomap_flags |= IOMAP_HOLE;
-		} else if (start_block == DELAYSTARTBLOCK) {
-			iomapp->iomap_bn = IOMAP_DADDR_NULL;
-			iomapp->iomap_flags |= IOMAP_DELAY;
-		} else {
-			iomapp->iomap_bn = xfs_fsb_to_db(ip, start_block);
-			if (ISUNWRITTEN(imap))
-				iomapp->iomap_flags |= IOMAP_UNWRITTEN;
-		}
-
-		offset += iomapp->iomap_bsize - iomapp->iomap_delta;
+	if (XFS_IS_REALTIME_INODE(ip)) {
+		iomapp->iomap_flags |= IOMAP_REALTIME;
+		iomapp->iomap_target = mp->m_rtdev_targp;
+	} else {
+		iomapp->iomap_target = mp->m_ddev_targp;
+	}
+	start_block = imap->br_startblock;
+	if (start_block == HOLESTARTBLOCK) {
+		iomapp->iomap_bn = IOMAP_DADDR_NULL;
+		iomapp->iomap_flags |= IOMAP_HOLE;
+	} else if (start_block == DELAYSTARTBLOCK) {
+		iomapp->iomap_bn = IOMAP_DADDR_NULL;
+		iomapp->iomap_flags |= IOMAP_DELAY;
+	} else {
+		iomapp->iomap_bn = xfs_fsb_to_db(ip, start_block);
+		if (ISUNWRITTEN(imap))
+			iomapp->iomap_flags |= IOMAP_UNWRITTEN;
 	}
-	return pbm;	/* Return the number filled */
 }
 
 int
@@ -119,6 +111,7 @@ xfs_iomap(
 	int		iomap_flags = 0;
 
 	ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG);
+	ASSERT(niomaps && *niomaps == 1);
 
 	if (XFS_FORCED_SHUTDOWN(mp))
 		return XFS_ERROR(EIO);
@@ -203,12 +196,11 @@ xfs_iomap(
 		break;
 	}
 
-	if (nimaps) {
-		*niomaps = xfs_imap_to_bmap(ip, offset, &imap,
-					    iomapp, nimaps, *niomaps, iomap_flags);
-	} else if (niomaps) {
-		*niomaps = 0;
-	}
+	ASSERT(nimaps <= 1);
+
+	if (nimaps)
+		xfs_imap_to_bmap(ip, offset, &imap, iomapp, nimaps, iomap_flags);
+	*niomaps = nimaps;
 
 out:
 	if (lockmode)

From 046f1685bb5211c3dea74fda0198c19171e9abc9 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:52 +0000
Subject: [PATCH 2219/3638] xfs: remove iomap_target

Instead of using the iomap_target field in struct xfs_iomap
and the IOMAP_REALTIME flag just use the already existing
xfs_find_bdev_for_inode helper.  There's some fallout as we
need to pass the inode in a few more places, which we also
use to sanitize some calling conventions.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 39 +++++++++++++++++--------------------
 fs/xfs/xfs_iomap.c          |  6 ------
 fs/xfs/xfs_iomap.h          |  2 --
 3 files changed, 18 insertions(+), 29 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 0f8b9968a80..49dec212da4 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -103,8 +103,9 @@ xfs_count_page_state(
 
 STATIC struct block_device *
 xfs_find_bdev_for_inode(
-	struct xfs_inode	*ip)
+	struct inode		*inode)
 {
+	struct xfs_inode	*ip = XFS_I(inode);
 	struct xfs_mount	*mp = ip->i_mount;
 
 	if (XFS_IS_REALTIME_INODE(ip))
@@ -554,19 +555,19 @@ xfs_add_to_ioend(
 
 STATIC void
 xfs_map_buffer(
+	struct inode		*inode,
 	struct buffer_head	*bh,
 	xfs_iomap_t		*mp,
-	xfs_off_t		offset,
-	uint			block_bits)
+	xfs_off_t		offset)
 {
 	sector_t		bn;
 
 	ASSERT(mp->iomap_bn != IOMAP_DADDR_NULL);
 
-	bn = (mp->iomap_bn >> (block_bits - BBSHIFT)) +
-	      ((offset - mp->iomap_offset) >> block_bits);
+	bn = (mp->iomap_bn >> (inode->i_blkbits - BBSHIFT)) +
+	      ((offset - mp->iomap_offset) >> inode->i_blkbits);
 
-	ASSERT(bn || (mp->iomap_flags & IOMAP_REALTIME));
+	ASSERT(bn || XFS_IS_REALTIME_INODE(XFS_I(inode)));
 
 	bh->b_blocknr = bn;
 	set_buffer_mapped(bh);
@@ -574,17 +575,17 @@ xfs_map_buffer(
 
 STATIC void
 xfs_map_at_offset(
+	struct inode		*inode,
 	struct buffer_head	*bh,
-	loff_t			offset,
-	int			block_bits,
-	xfs_iomap_t		*iomapp)
+	xfs_iomap_t		*iomapp,
+	xfs_off_t		offset)
 {
 	ASSERT(!(iomapp->iomap_flags & IOMAP_HOLE));
 	ASSERT(!(iomapp->iomap_flags & IOMAP_DELAY));
 
 	lock_buffer(bh);
-	xfs_map_buffer(bh, iomapp, offset, block_bits);
-	bh->b_bdev = iomapp->iomap_target->bt_bdev;
+	xfs_map_buffer(inode, bh, iomapp, offset);
+	bh->b_bdev = xfs_find_bdev_for_inode(inode);
 	set_buffer_mapped(bh);
 	clear_buffer_delay(bh);
 	clear_buffer_unwritten(bh);
@@ -750,7 +751,6 @@ xfs_convert_page(
 	xfs_off_t		end_offset;
 	unsigned long		p_offset;
 	unsigned int		type;
-	int			bbits = inode->i_blkbits;
 	int			len, page_dirty;
 	int			count = 0, done = 0, uptodate = 1;
  	xfs_off_t		offset = page_offset(page);
@@ -814,7 +814,7 @@ xfs_convert_page(
 			ASSERT(!(mp->iomap_flags & IOMAP_HOLE));
 			ASSERT(!(mp->iomap_flags & IOMAP_DELAY));
 
-			xfs_map_at_offset(bh, offset, bbits, mp);
+			xfs_map_at_offset(inode, bh, mp, offset);
 			if (startio) {
 				xfs_add_to_ioend(inode, bh, offset,
 						type, ioendp, done);
@@ -1174,8 +1174,7 @@ xfs_page_state_convert(
 				iomap_valid = xfs_iomap_valid(&iomap, offset);
 			}
 			if (iomap_valid) {
-				xfs_map_at_offset(bh, offset,
-						inode->i_blkbits, &iomap);
+				xfs_map_at_offset(inode, bh, &iomap, offset);
 				if (startio) {
 					xfs_add_to_ioend(inode, bh, offset,
 							type, &ioend,
@@ -1473,10 +1472,8 @@ __xfs_get_blocks(
 		 * For unwritten extents do not report a disk address on
 		 * the read case (treat as if we're reading into a hole).
 		 */
-		if (create || !(iomap.iomap_flags & IOMAP_UNWRITTEN)) {
-			xfs_map_buffer(bh_result, &iomap, offset,
-				       inode->i_blkbits);
-		}
+		if (create || !(iomap.iomap_flags & IOMAP_UNWRITTEN))
+			xfs_map_buffer(inode, bh_result, &iomap, offset);
 		if (create && (iomap.iomap_flags & IOMAP_UNWRITTEN)) {
 			if (direct)
 				bh_result->b_private = inode;
@@ -1488,7 +1485,7 @@ __xfs_get_blocks(
 	 * If this is a realtime file, data may be on a different device.
 	 * to that pointed to from the buffer_head b_bdev currently.
 	 */
-	bh_result->b_bdev = iomap.iomap_target->bt_bdev;
+	bh_result->b_bdev = xfs_find_bdev_for_inode(inode);
 
 	/*
 	 * If we previously allocated a block out beyond eof and we are now
@@ -1612,7 +1609,7 @@ xfs_vm_direct_IO(
 	struct block_device *bdev;
 	ssize_t		ret;
 
-	bdev = xfs_find_bdev_for_inode(XFS_I(inode));
+	bdev = xfs_find_bdev_for_inode(inode);
 
 	iocb->private = xfs_alloc_ioend(inode, rw == WRITE ?
 					IOMAP_UNWRITTEN : IOMAP_READ);
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 2d9bce7fcf8..7327d3f3bf6 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -72,12 +72,6 @@ xfs_imap_to_bmap(
 	iomapp->iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
 	iomapp->iomap_flags = flags;
 
-	if (XFS_IS_REALTIME_INODE(ip)) {
-		iomapp->iomap_flags |= IOMAP_REALTIME;
-		iomapp->iomap_target = mp->m_rtdev_targp;
-	} else {
-		iomapp->iomap_target = mp->m_ddev_targp;
-	}
 	start_block = imap->br_startblock;
 	if (start_block == HOLESTARTBLOCK) {
 		iomapp->iomap_bn = IOMAP_DADDR_NULL;
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index 174f2999099..a85fa90f6fe 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -25,7 +25,6 @@ typedef enum {				/* iomap_flags values */
 	IOMAP_READ =		0,	/* mapping for a read */
 	IOMAP_HOLE =		0x02,	/* mapping covers a hole  */
 	IOMAP_DELAY =		0x04,	/* mapping covers delalloc region  */
-	IOMAP_REALTIME =	0x10,	/* mapping on the realtime device  */
 	IOMAP_UNWRITTEN =	0x20,	/* mapping covers allocated */
 					/* but uninitialized file data  */
 	IOMAP_NEW =		0x40	/* just allocate */
@@ -71,7 +70,6 @@ typedef enum {
 
 typedef struct xfs_iomap {
 	xfs_daddr_t		iomap_bn;	/* first 512B blk of mapping */
-	xfs_buftarg_t		*iomap_target;
 	xfs_off_t		iomap_offset;	/* offset of mapping, bytes */
 	xfs_off_t		iomap_bsize;	/* size of mapping, bytes */
 	xfs_off_t		iomap_delta;	/* offset into mapping, bytes */

From 9563b3d8998c78d5b7e718b546d5f68037c494fe Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:53 +0000
Subject: [PATCH 2220/3638] xfs: remove iomap_delta

The iomap_delta field in struct xfs_iomap just contains the
difference between the offset passed to xfs_iomap and the
iomap_offset.  Just calculate it in the only caller that cares.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 6 ++++--
 fs/xfs/xfs_iomap.c          | 1 -
 fs/xfs/xfs_iomap.h          | 1 -
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 49dec212da4..577d0b44873 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1512,9 +1512,11 @@ __xfs_get_blocks(
 	}
 
 	if (direct || size > (1 << inode->i_blkbits)) {
-		ASSERT(iomap.iomap_bsize - iomap.iomap_delta > 0);
+		xfs_off_t iomap_delta = offset - iomap.iomap_offset;
+
+		ASSERT(iomap.iomap_bsize - iomap_delta > 0);
 		offset = min_t(xfs_off_t,
-				iomap.iomap_bsize - iomap.iomap_delta, size);
+				iomap.iomap_bsize - iomap_delta, size);
 		bh_result->b_size = (ssize_t)min_t(xfs_off_t, LONG_MAX, offset);
 	}
 
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 7327d3f3bf6..c6b409e0f01 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -68,7 +68,6 @@ xfs_imap_to_bmap(
 	xfs_fsblock_t	start_block;
 
 	iomapp->iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff);
-	iomapp->iomap_delta = offset - iomapp->iomap_offset;
 	iomapp->iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
 	iomapp->iomap_flags = flags;
 
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index a85fa90f6fe..db9299631ee 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -72,7 +72,6 @@ typedef struct xfs_iomap {
 	xfs_daddr_t		iomap_bn;	/* first 512B blk of mapping */
 	xfs_off_t		iomap_offset;	/* offset of mapping, bytes */
 	xfs_off_t		iomap_bsize;	/* size of mapping, bytes */
-	xfs_off_t		iomap_delta;	/* offset into mapping, bytes */
 	iomap_flags_t		iomap_flags;
 } xfs_iomap_t;
 

From 8699bb0a480193e62d5ccb9c86e2c26b407090a8 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:54 +0000
Subject: [PATCH 2221/3638] xfs: report iomap_offset and iomap_bsize in block
 base

Report the iomap_offset and iomap_bsize fields of struct xfs_iomap
in terms of fsblocks instead of in terms of disk blocks.  Shift the
byte conversions into the callers temporarily, but they will
disappear or get cleaned up later.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 36 +++++++++++++++++++++++++-----------
 fs/xfs/xfs_iomap.c          |  5 ++---
 2 files changed, 27 insertions(+), 14 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 577d0b44873..303a779406c 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -320,11 +320,16 @@ xfs_map_blocks(
 
 STATIC int
 xfs_iomap_valid(
+	struct inode		*inode,
 	xfs_iomap_t		*iomapp,
 	loff_t			offset)
 {
-	return offset >= iomapp->iomap_offset &&
-		offset < iomapp->iomap_offset + iomapp->iomap_bsize;
+	struct xfs_mount	*mp = XFS_I(inode)->i_mount;
+	xfs_off_t		iomap_offset = XFS_FSB_TO_B(mp, iomapp->iomap_offset);
+	xfs_off_t		iomap_bsize = XFS_FSB_TO_B(mp, iomapp->iomap_bsize);
+
+	return offset >= iomap_offset &&
+		offset < iomap_offset + iomap_bsize;
 }
 
 /*
@@ -561,11 +566,13 @@ xfs_map_buffer(
 	xfs_off_t		offset)
 {
 	sector_t		bn;
+	struct xfs_mount	*m = XFS_I(inode)->i_mount;
+	xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, mp->iomap_offset);
 
 	ASSERT(mp->iomap_bn != IOMAP_DADDR_NULL);
 
 	bn = (mp->iomap_bn >> (inode->i_blkbits - BBSHIFT)) +
-	      ((offset - mp->iomap_offset) >> inode->i_blkbits);
+	      ((offset - iomap_offset) >> inode->i_blkbits);
 
 	ASSERT(bn || XFS_IS_REALTIME_INODE(XFS_I(inode)));
 
@@ -806,7 +813,7 @@ xfs_convert_page(
 			else
 				type = IOMAP_DELAY;
 
-			if (!xfs_iomap_valid(mp, offset)) {
+			if (!xfs_iomap_valid(inode, mp, offset)) {
 				done = 1;
 				continue;
 			}
@@ -1116,7 +1123,7 @@ xfs_page_state_convert(
 		}
 
 		if (iomap_valid)
-			iomap_valid = xfs_iomap_valid(&iomap, offset);
+			iomap_valid = xfs_iomap_valid(inode, &iomap, offset);
 
 		/*
 		 * First case, map an unwritten extent and prepare for
@@ -1171,7 +1178,7 @@ xfs_page_state_convert(
 						&iomap, flags);
 				if (err)
 					goto error;
-				iomap_valid = xfs_iomap_valid(&iomap, offset);
+				iomap_valid = xfs_iomap_valid(inode, &iomap, offset);
 			}
 			if (iomap_valid) {
 				xfs_map_at_offset(inode, bh, &iomap, offset);
@@ -1201,7 +1208,7 @@ xfs_page_state_convert(
 						&iomap, flags);
 				if (err)
 					goto error;
-				iomap_valid = xfs_iomap_valid(&iomap, offset);
+				iomap_valid = xfs_iomap_valid(inode, &iomap, offset);
 			}
 
 			/*
@@ -1241,7 +1248,11 @@ xfs_page_state_convert(
 		xfs_start_page_writeback(page, 1, count);
 
 	if (ioend && iomap_valid) {
-		offset = (iomap.iomap_offset + iomap.iomap_bsize - 1) >>
+		struct xfs_mount	*m = XFS_I(inode)->i_mount;
+		xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, iomap.iomap_offset);
+		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(m, iomap.iomap_bsize);
+
+		offset = (iomap_offset + iomap_bsize - 1) >>
 					PAGE_CACHE_SHIFT;
 		tlast = min_t(pgoff_t, offset, last_index);
 		xfs_cluster_write(inode, page->index + 1, &iomap, &ioend,
@@ -1512,11 +1523,14 @@ __xfs_get_blocks(
 	}
 
 	if (direct || size > (1 << inode->i_blkbits)) {
-		xfs_off_t iomap_delta = offset - iomap.iomap_offset;
+		struct xfs_mount	*mp = XFS_I(inode)->i_mount;
+		xfs_off_t		iomap_offset = XFS_FSB_TO_B(mp, iomap.iomap_offset);
+		xfs_off_t		iomap_delta = offset - iomap_offset;
+		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(mp, iomap.iomap_bsize);
 
-		ASSERT(iomap.iomap_bsize - iomap_delta > 0);
+		ASSERT(iomap_bsize - iomap_delta > 0);
 		offset = min_t(xfs_off_t,
-				iomap.iomap_bsize - iomap_delta, size);
+				iomap_bsize - iomap_delta, size);
 		bh_result->b_size = (ssize_t)min_t(xfs_off_t, LONG_MAX, offset);
 	}
 
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index c6b409e0f01..49b5ad22a9d 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -64,11 +64,10 @@ xfs_imap_to_bmap(
 	int		imaps,			/* Number of imap entries */
 	int		flags)
 {
-	xfs_mount_t	*mp = ip->i_mount;
 	xfs_fsblock_t	start_block;
 
-	iomapp->iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff);
-	iomapp->iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
+	iomapp->iomap_offset = imap->br_startoff;
+	iomapp->iomap_bsize = imap->br_blockcount;
 	iomapp->iomap_flags = flags;
 
 	start_block = imap->br_startblock;

From e513182d4d7ec8f1870ae368c549ef2838e2c105 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:55 +0000
Subject: [PATCH 2222/3638] xfs: report iomap_bn in block base

Report the iomap_bn field of struct xfs_iomap in terms of filesystem
blocks instead of in terms of bytes.  Shift the byte conversions
into the caller, and replace the IOMAP_DELAY and IOMAP_HOLE flag
checks with checks for HOLESTARTBLOCK and DELAYSTARTBLOCK.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 19 +++++++++++--------
 fs/xfs/xfs_iomap.c          | 19 +++++--------------
 fs/xfs/xfs_iomap.h          |  4 ----
 3 files changed, 16 insertions(+), 26 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 303a779406c..2b09cc34dd0 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -568,10 +568,12 @@ xfs_map_buffer(
 	sector_t		bn;
 	struct xfs_mount	*m = XFS_I(inode)->i_mount;
 	xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, mp->iomap_offset);
+	xfs_daddr_t		iomap_bn = xfs_fsb_to_db(XFS_I(inode), mp->iomap_bn);
 
-	ASSERT(mp->iomap_bn != IOMAP_DADDR_NULL);
+	ASSERT(mp->iomap_bn != HOLESTARTBLOCK);
+	ASSERT(mp->iomap_bn != DELAYSTARTBLOCK);
 
-	bn = (mp->iomap_bn >> (inode->i_blkbits - BBSHIFT)) +
+	bn = (iomap_bn >> (inode->i_blkbits - BBSHIFT)) +
 	      ((offset - iomap_offset) >> inode->i_blkbits);
 
 	ASSERT(bn || XFS_IS_REALTIME_INODE(XFS_I(inode)));
@@ -587,8 +589,8 @@ xfs_map_at_offset(
 	xfs_iomap_t		*iomapp,
 	xfs_off_t		offset)
 {
-	ASSERT(!(iomapp->iomap_flags & IOMAP_HOLE));
-	ASSERT(!(iomapp->iomap_flags & IOMAP_DELAY));
+	ASSERT(iomapp->iomap_bn != HOLESTARTBLOCK);
+	ASSERT(iomapp->iomap_bn != DELAYSTARTBLOCK);
 
 	lock_buffer(bh);
 	xfs_map_buffer(inode, bh, iomapp, offset);
@@ -818,8 +820,8 @@ xfs_convert_page(
 				continue;
 			}
 
-			ASSERT(!(mp->iomap_flags & IOMAP_HOLE));
-			ASSERT(!(mp->iomap_flags & IOMAP_DELAY));
+			ASSERT(mp->iomap_bn != HOLESTARTBLOCK);
+			ASSERT(mp->iomap_bn != DELAYSTARTBLOCK);
 
 			xfs_map_at_offset(inode, bh, mp, offset);
 			if (startio) {
@@ -1478,7 +1480,8 @@ __xfs_get_blocks(
 	if (niomap == 0)
 		return 0;
 
-	if (iomap.iomap_bn != IOMAP_DADDR_NULL) {
+	if (iomap.iomap_bn != HOLESTARTBLOCK &&
+	    iomap.iomap_bn != DELAYSTARTBLOCK) {
 		/*
 		 * For unwritten extents do not report a disk address on
 		 * the read case (treat as if we're reading into a hole).
@@ -1513,7 +1516,7 @@ __xfs_get_blocks(
 	     (iomap.iomap_flags & (IOMAP_NEW|IOMAP_UNWRITTEN))))
 		set_buffer_new(bh_result);
 
-	if (iomap.iomap_flags & IOMAP_DELAY) {
+	if (iomap.iomap_bn == DELAYSTARTBLOCK) {
 		BUG_ON(direct);
 		if (create) {
 			set_buffer_uptodate(bh_result);
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 49b5ad22a9d..fbe5d32f9ef 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -64,24 +64,15 @@ xfs_imap_to_bmap(
 	int		imaps,			/* Number of imap entries */
 	int		flags)
 {
-	xfs_fsblock_t	start_block;
-
 	iomapp->iomap_offset = imap->br_startoff;
 	iomapp->iomap_bsize = imap->br_blockcount;
 	iomapp->iomap_flags = flags;
+	iomapp->iomap_bn = imap->br_startblock;
 
-	start_block = imap->br_startblock;
-	if (start_block == HOLESTARTBLOCK) {
-		iomapp->iomap_bn = IOMAP_DADDR_NULL;
-		iomapp->iomap_flags |= IOMAP_HOLE;
-	} else if (start_block == DELAYSTARTBLOCK) {
-		iomapp->iomap_bn = IOMAP_DADDR_NULL;
-		iomapp->iomap_flags |= IOMAP_DELAY;
-	} else {
-		iomapp->iomap_bn = xfs_fsb_to_db(ip, start_block);
-		if (ISUNWRITTEN(imap))
-			iomapp->iomap_flags |= IOMAP_UNWRITTEN;
-	}
+	if (imap->br_startblock != HOLESTARTBLOCK &&
+	    imap->br_startblock != DELAYSTARTBLOCK &&
+	    ISUNWRITTEN(imap))
+		iomapp->iomap_flags |= IOMAP_UNWRITTEN;
 }
 
 int
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index db9299631ee..d2f3b67d39f 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -18,12 +18,8 @@
 #ifndef __XFS_IOMAP_H__
 #define __XFS_IOMAP_H__
 
-#define IOMAP_DADDR_NULL ((xfs_daddr_t) (-1LL))
-
-
 typedef enum {				/* iomap_flags values */
 	IOMAP_READ =		0,	/* mapping for a read */
-	IOMAP_HOLE =		0x02,	/* mapping covers a hole  */
 	IOMAP_DELAY =		0x04,	/* mapping covers delalloc region  */
 	IOMAP_UNWRITTEN =	0x20,	/* mapping covers allocated */
 					/* but uninitialized file data  */

From 207d041602cead1c1a16288f6225aea9da1f5bc4 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:56 +0000
Subject: [PATCH 2223/3638] xfs: kill struct xfs_iomap

Now that struct xfs_iomap contains exactly the same units as struct
xfs_bmbt_irec we can just use the latter directly in the aops code.
Replace the missing IOMAP_NEW flag with a new boolean output
parameter to xfs_iomap.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 90 +++++++++++++++++++------------------
 fs/xfs/xfs_iomap.c          | 82 ++++++++++++---------------------
 fs/xfs/xfs_iomap.h          | 26 +----------
 3 files changed, 75 insertions(+), 123 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 2b09cc34dd0..70ce1da73d0 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -310,23 +310,24 @@ xfs_map_blocks(
 	struct inode		*inode,
 	loff_t			offset,
 	ssize_t			count,
-	xfs_iomap_t		*mapp,
+	struct xfs_bmbt_irec	*imap,
 	int			flags)
 {
 	int			nmaps = 1;
+	int			new = 0;
 
-	return -xfs_iomap(XFS_I(inode), offset, count, flags, mapp, &nmaps);
+	return -xfs_iomap(XFS_I(inode), offset, count, flags, imap, &nmaps, &new);
 }
 
 STATIC int
 xfs_iomap_valid(
 	struct inode		*inode,
-	xfs_iomap_t		*iomapp,
+	struct xfs_bmbt_irec	*imap,
 	loff_t			offset)
 {
 	struct xfs_mount	*mp = XFS_I(inode)->i_mount;
-	xfs_off_t		iomap_offset = XFS_FSB_TO_B(mp, iomapp->iomap_offset);
-	xfs_off_t		iomap_bsize = XFS_FSB_TO_B(mp, iomapp->iomap_bsize);
+	xfs_off_t		iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff);
+	xfs_off_t		iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
 
 	return offset >= iomap_offset &&
 		offset < iomap_offset + iomap_bsize;
@@ -562,16 +563,16 @@ STATIC void
 xfs_map_buffer(
 	struct inode		*inode,
 	struct buffer_head	*bh,
-	xfs_iomap_t		*mp,
+	struct xfs_bmbt_irec	*imap,
 	xfs_off_t		offset)
 {
 	sector_t		bn;
 	struct xfs_mount	*m = XFS_I(inode)->i_mount;
-	xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, mp->iomap_offset);
-	xfs_daddr_t		iomap_bn = xfs_fsb_to_db(XFS_I(inode), mp->iomap_bn);
+	xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, imap->br_startoff);
+	xfs_daddr_t		iomap_bn = xfs_fsb_to_db(XFS_I(inode), imap->br_startblock);
 
-	ASSERT(mp->iomap_bn != HOLESTARTBLOCK);
-	ASSERT(mp->iomap_bn != DELAYSTARTBLOCK);
+	ASSERT(imap->br_startblock != HOLESTARTBLOCK);
+	ASSERT(imap->br_startblock != DELAYSTARTBLOCK);
 
 	bn = (iomap_bn >> (inode->i_blkbits - BBSHIFT)) +
 	      ((offset - iomap_offset) >> inode->i_blkbits);
@@ -586,14 +587,14 @@ STATIC void
 xfs_map_at_offset(
 	struct inode		*inode,
 	struct buffer_head	*bh,
-	xfs_iomap_t		*iomapp,
+	struct xfs_bmbt_irec	*imap,
 	xfs_off_t		offset)
 {
-	ASSERT(iomapp->iomap_bn != HOLESTARTBLOCK);
-	ASSERT(iomapp->iomap_bn != DELAYSTARTBLOCK);
+	ASSERT(imap->br_startblock != HOLESTARTBLOCK);
+	ASSERT(imap->br_startblock != DELAYSTARTBLOCK);
 
 	lock_buffer(bh);
-	xfs_map_buffer(inode, bh, iomapp, offset);
+	xfs_map_buffer(inode, bh, imap, offset);
 	bh->b_bdev = xfs_find_bdev_for_inode(inode);
 	set_buffer_mapped(bh);
 	clear_buffer_delay(bh);
@@ -750,7 +751,7 @@ xfs_convert_page(
 	struct inode		*inode,
 	struct page		*page,
 	loff_t			tindex,
-	xfs_iomap_t		*mp,
+	struct xfs_bmbt_irec	*imap,
 	xfs_ioend_t		**ioendp,
 	struct writeback_control *wbc,
 	int			startio,
@@ -815,15 +816,15 @@ xfs_convert_page(
 			else
 				type = IOMAP_DELAY;
 
-			if (!xfs_iomap_valid(inode, mp, offset)) {
+			if (!xfs_iomap_valid(inode, imap, offset)) {
 				done = 1;
 				continue;
 			}
 
-			ASSERT(mp->iomap_bn != HOLESTARTBLOCK);
-			ASSERT(mp->iomap_bn != DELAYSTARTBLOCK);
+			ASSERT(imap->br_startblock != HOLESTARTBLOCK);
+			ASSERT(imap->br_startblock != DELAYSTARTBLOCK);
 
-			xfs_map_at_offset(inode, bh, mp, offset);
+			xfs_map_at_offset(inode, bh, imap, offset);
 			if (startio) {
 				xfs_add_to_ioend(inode, bh, offset,
 						type, ioendp, done);
@@ -875,7 +876,7 @@ STATIC void
 xfs_cluster_write(
 	struct inode		*inode,
 	pgoff_t			tindex,
-	xfs_iomap_t		*iomapp,
+	struct xfs_bmbt_irec	*imap,
 	xfs_ioend_t		**ioendp,
 	struct writeback_control *wbc,
 	int			startio,
@@ -894,7 +895,7 @@ xfs_cluster_write(
 
 		for (i = 0; i < pagevec_count(&pvec); i++) {
 			done = xfs_convert_page(inode, pvec.pages[i], tindex++,
-					iomapp, ioendp, wbc, startio, all_bh);
+					imap, ioendp, wbc, startio, all_bh);
 			if (done)
 				break;
 		}
@@ -1051,7 +1052,7 @@ xfs_page_state_convert(
 	int		unmapped) /* also implies page uptodate */
 {
 	struct buffer_head	*bh, *head;
-	xfs_iomap_t		iomap;
+	struct xfs_bmbt_irec	imap;
 	xfs_ioend_t		*ioend = NULL, *iohead = NULL;
 	loff_t			offset;
 	unsigned long           p_offset = 0;
@@ -1125,7 +1126,7 @@ xfs_page_state_convert(
 		}
 
 		if (iomap_valid)
-			iomap_valid = xfs_iomap_valid(inode, &iomap, offset);
+			iomap_valid = xfs_iomap_valid(inode, &imap, offset);
 
 		/*
 		 * First case, map an unwritten extent and prepare for
@@ -1177,13 +1178,13 @@ xfs_page_state_convert(
 				}
 
 				err = xfs_map_blocks(inode, offset, size,
-						&iomap, flags);
+						&imap, flags);
 				if (err)
 					goto error;
-				iomap_valid = xfs_iomap_valid(inode, &iomap, offset);
+				iomap_valid = xfs_iomap_valid(inode, &imap, offset);
 			}
 			if (iomap_valid) {
-				xfs_map_at_offset(inode, bh, &iomap, offset);
+				xfs_map_at_offset(inode, bh, &imap, offset);
 				if (startio) {
 					xfs_add_to_ioend(inode, bh, offset,
 							type, &ioend,
@@ -1207,10 +1208,10 @@ xfs_page_state_convert(
 				size = xfs_probe_cluster(inode, page, bh,
 								head, 1);
 				err = xfs_map_blocks(inode, offset, size,
-						&iomap, flags);
+						&imap, flags);
 				if (err)
 					goto error;
-				iomap_valid = xfs_iomap_valid(inode, &iomap, offset);
+				iomap_valid = xfs_iomap_valid(inode, &imap, offset);
 			}
 
 			/*
@@ -1251,13 +1252,13 @@ xfs_page_state_convert(
 
 	if (ioend && iomap_valid) {
 		struct xfs_mount	*m = XFS_I(inode)->i_mount;
-		xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, iomap.iomap_offset);
-		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(m, iomap.iomap_bsize);
+		xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, imap.br_startoff);
+		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(m, imap.br_blockcount);
 
 		offset = (iomap_offset + iomap_bsize - 1) >>
 					PAGE_CACHE_SHIFT;
 		tlast = min_t(pgoff_t, offset, last_index);
-		xfs_cluster_write(inode, page->index + 1, &iomap, &ioend,
+		xfs_cluster_write(inode, page->index + 1, &imap, &ioend,
 					wbc, startio, all_bh, tlast);
 	}
 
@@ -1460,10 +1461,11 @@ __xfs_get_blocks(
 	int			direct,
 	bmapi_flags_t		flags)
 {
-	xfs_iomap_t		iomap;
+	struct xfs_bmbt_irec	imap;
 	xfs_off_t		offset;
 	ssize_t			size;
-	int			niomap = 1;
+	int			nimap = 1;
+	int			new = 0;
 	int			error;
 
 	offset = (xfs_off_t)iblock << inode->i_blkbits;
@@ -1474,21 +1476,21 @@ __xfs_get_blocks(
 		return 0;
 
 	error = xfs_iomap(XFS_I(inode), offset, size,
-			     create ? flags : BMAPI_READ, &iomap, &niomap);
+			     create ? flags : BMAPI_READ, &imap, &nimap, &new);
 	if (error)
 		return -error;
-	if (niomap == 0)
+	if (nimap == 0)
 		return 0;
 
-	if (iomap.iomap_bn != HOLESTARTBLOCK &&
-	    iomap.iomap_bn != DELAYSTARTBLOCK) {
+	if (imap.br_startblock != HOLESTARTBLOCK &&
+	    imap.br_startblock != DELAYSTARTBLOCK) {
 		/*
 		 * For unwritten extents do not report a disk address on
 		 * the read case (treat as if we're reading into a hole).
 		 */
-		if (create || !(iomap.iomap_flags & IOMAP_UNWRITTEN))
-			xfs_map_buffer(inode, bh_result, &iomap, offset);
-		if (create && (iomap.iomap_flags & IOMAP_UNWRITTEN)) {
+		if (create || !ISUNWRITTEN(&imap))
+			xfs_map_buffer(inode, bh_result, &imap, offset);
+		if (create && ISUNWRITTEN(&imap)) {
 			if (direct)
 				bh_result->b_private = inode;
 			set_buffer_unwritten(bh_result);
@@ -1513,10 +1515,10 @@ __xfs_get_blocks(
 	if (create &&
 	    ((!buffer_mapped(bh_result) && !buffer_uptodate(bh_result)) ||
 	     (offset >= i_size_read(inode)) ||
-	     (iomap.iomap_flags & (IOMAP_NEW|IOMAP_UNWRITTEN))))
+	     (new || ISUNWRITTEN(&imap))))
 		set_buffer_new(bh_result);
 
-	if (iomap.iomap_bn == DELAYSTARTBLOCK) {
+	if (imap.br_startblock == DELAYSTARTBLOCK) {
 		BUG_ON(direct);
 		if (create) {
 			set_buffer_uptodate(bh_result);
@@ -1527,9 +1529,9 @@ __xfs_get_blocks(
 
 	if (direct || size > (1 << inode->i_blkbits)) {
 		struct xfs_mount	*mp = XFS_I(inode)->i_mount;
-		xfs_off_t		iomap_offset = XFS_FSB_TO_B(mp, iomap.iomap_offset);
+		xfs_off_t		iomap_offset = XFS_FSB_TO_B(mp, imap.br_startoff);
 		xfs_off_t		iomap_delta = offset - iomap_offset;
-		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(mp, iomap.iomap_bsize);
+		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(mp, imap.br_blockcount);
 
 		ASSERT(iomap_bsize - iomap_delta > 0);
 		offset = min_t(xfs_off_t,
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index fbe5d32f9ef..7545dcdaa8a 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -55,46 +55,25 @@
 #define XFS_STRAT_WRITE_IMAPS	2
 #define XFS_WRITE_IMAPS		XFS_BMAP_MAX_NMAP
 
-STATIC void
-xfs_imap_to_bmap(
-	xfs_inode_t	*ip,
-	xfs_off_t	offset,
-	xfs_bmbt_irec_t *imap,
-	xfs_iomap_t	*iomapp,
-	int		imaps,			/* Number of imap entries */
-	int		flags)
-{
-	iomapp->iomap_offset = imap->br_startoff;
-	iomapp->iomap_bsize = imap->br_blockcount;
-	iomapp->iomap_flags = flags;
-	iomapp->iomap_bn = imap->br_startblock;
-
-	if (imap->br_startblock != HOLESTARTBLOCK &&
-	    imap->br_startblock != DELAYSTARTBLOCK &&
-	    ISUNWRITTEN(imap))
-		iomapp->iomap_flags |= IOMAP_UNWRITTEN;
-}
-
 int
 xfs_iomap(
-	xfs_inode_t	*ip,
-	xfs_off_t	offset,
-	ssize_t		count,
-	int		flags,
-	xfs_iomap_t	*iomapp,
-	int		*niomaps)
+	struct xfs_inode	*ip,
+	xfs_off_t		offset,
+	ssize_t			count,
+	int			flags,
+	struct xfs_bmbt_irec	*imap,
+	int			*nimaps,
+	int			*new)
 {
-	xfs_mount_t	*mp = ip->i_mount;
-	xfs_fileoff_t	offset_fsb, end_fsb;
-	int		error = 0;
-	int		lockmode = 0;
-	xfs_bmbt_irec_t	imap;
-	int		nimaps = 1;
-	int		bmapi_flags = 0;
-	int		iomap_flags = 0;
+	struct xfs_mount	*mp = ip->i_mount;
+	xfs_fileoff_t		offset_fsb, end_fsb;
+	int			error = 0;
+	int			lockmode = 0;
+	int			bmapi_flags = 0;
 
 	ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG);
-	ASSERT(niomaps && *niomaps == 1);
+
+	*new = 0;
 
 	if (XFS_FORCED_SHUTDOWN(mp))
 		return XFS_ERROR(EIO);
@@ -136,8 +115,8 @@ xfs_iomap(
 
 	error = xfs_bmapi(NULL, ip, offset_fsb,
 			(xfs_filblks_t)(end_fsb - offset_fsb),
-			bmapi_flags,  NULL, 0, &imap,
-			&nimaps, NULL, NULL);
+			bmapi_flags,  NULL, 0, imap,
+			nimaps, NULL, NULL);
 
 	if (error)
 		goto out;
@@ -145,45 +124,41 @@ xfs_iomap(
 	switch (flags & (BMAPI_WRITE|BMAPI_ALLOCATE)) {
 	case BMAPI_WRITE:
 		/* If we found an extent, return it */
-		if (nimaps &&
-		    (imap.br_startblock != HOLESTARTBLOCK) &&
-		    (imap.br_startblock != DELAYSTARTBLOCK)) {
-			trace_xfs_iomap_found(ip, offset, count, flags, &imap);
+		if (*nimaps &&
+		    (imap->br_startblock != HOLESTARTBLOCK) &&
+		    (imap->br_startblock != DELAYSTARTBLOCK)) {
+			trace_xfs_iomap_found(ip, offset, count, flags, imap);
 			break;
 		}
 
 		if (flags & (BMAPI_DIRECT|BMAPI_MMAP)) {
 			error = xfs_iomap_write_direct(ip, offset, count, flags,
-						       &imap, &nimaps, nimaps);
+						       imap, nimaps, *nimaps);
 		} else {
 			error = xfs_iomap_write_delay(ip, offset, count, flags,
-						      &imap, &nimaps);
+						      imap, nimaps);
 		}
 		if (!error) {
-			trace_xfs_iomap_alloc(ip, offset, count, flags, &imap);
+			trace_xfs_iomap_alloc(ip, offset, count, flags, imap);
 		}
-		iomap_flags = IOMAP_NEW;
+		*new = 1;
 		break;
 	case BMAPI_ALLOCATE:
 		/* If we found an extent, return it */
 		xfs_iunlock(ip, lockmode);
 		lockmode = 0;
 
-		if (nimaps && !isnullstartblock(imap.br_startblock)) {
-			trace_xfs_iomap_found(ip, offset, count, flags, &imap);
+		if (*nimaps && !isnullstartblock(imap->br_startblock)) {
+			trace_xfs_iomap_found(ip, offset, count, flags, imap);
 			break;
 		}
 
 		error = xfs_iomap_write_allocate(ip, offset, count,
-						 &imap, &nimaps);
+						 imap, nimaps);
 		break;
 	}
 
-	ASSERT(nimaps <= 1);
-
-	if (nimaps)
-		xfs_imap_to_bmap(ip, offset, &imap, iomapp, nimaps, iomap_flags);
-	*niomaps = nimaps;
+	ASSERT(*nimaps <= 1);
 
 out:
 	if (lockmode)
@@ -191,7 +166,6 @@ out:
 	return XFS_ERROR(error);
 }
 
-
 STATIC int
 xfs_iomap_eof_align_last_fsb(
 	xfs_mount_t	*mp,
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index d2f3b67d39f..ba49a4fd1b3 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -47,35 +47,11 @@ typedef enum {
 	{ BMAPI_MMAP,		"MMAP" }, \
 	{ BMAPI_TRYLOCK,	"TRYLOCK" }
 
-/*
- * xfs_iomap_t:  File system I/O map
- *
- * The iomap_bn field is expressed in 512-byte blocks, and is where the
- * mapping starts on disk.
- *
- * The iomap_offset, iomap_bsize and iomap_delta fields are in bytes.
- * iomap_offset is the offset of the mapping in the file itself.
- * iomap_bsize is the size of the mapping,  iomap_delta is the
- * desired data's offset into the mapping, given the offset supplied
- * to the file I/O map routine.
- *
- * When a request is made to read beyond the logical end of the object,
- * iomap_size may be set to 0, but iomap_offset and iomap_length should be set
- * to the actual amount of underlying storage that has been allocated, if any.
- */
-
-typedef struct xfs_iomap {
-	xfs_daddr_t		iomap_bn;	/* first 512B blk of mapping */
-	xfs_off_t		iomap_offset;	/* offset of mapping, bytes */
-	xfs_off_t		iomap_bsize;	/* size of mapping, bytes */
-	iomap_flags_t		iomap_flags;
-} xfs_iomap_t;
-
 struct xfs_inode;
 struct xfs_bmbt_irec;
 
 extern int xfs_iomap(struct xfs_inode *, xfs_off_t, ssize_t, int,
-		     struct xfs_iomap *, int *);
+		     struct xfs_bmbt_irec *, int *, int *);
 extern int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t,
 				  int, struct xfs_bmbt_irec *, int *, int);
 extern int xfs_iomap_write_delay(struct xfs_inode *, xfs_off_t, size_t, int,

From 34a52c6c064fb9f1fd1310407ce076a4bb049734 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:57 +0000
Subject: [PATCH 2224/3638] xfs: move I/O type flags into xfs_aops.c

The IOMAP_ flags are now only used inside xfs_aops.c for extent
probing and I/O completion tracking, so more them here, and rename
them to IO_* as there's no mapping involved at all.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 51 ++++++++++++++++++++++---------------
 fs/xfs/xfs_iomap.h          |  8 ------
 2 files changed, 30 insertions(+), 29 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 70ce1da73d0..f1dd70e201c 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -45,6 +45,15 @@
 #include <linux/pagevec.h>
 #include <linux/writeback.h>
 
+/*
+ * Types of I/O for bmap clustering and I/O completion tracking.
+ */
+enum {
+	IO_READ,	/* mapping for a read */
+	IO_DELAY,	/* mapping covers delalloc region */
+	IO_UNWRITTEN,	/* mapping covers allocated but uninitialized data */
+	IO_NEW		/* just allocated */
+};
 
 /*
  * Prime number of hash buckets since address is used as the key.
@@ -184,7 +193,7 @@ xfs_setfilesize(
 	xfs_fsize_t		isize;
 
 	ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG);
-	ASSERT(ioend->io_type != IOMAP_READ);
+	ASSERT(ioend->io_type != IO_READ);
 
 	if (unlikely(ioend->io_error))
 		return 0;
@@ -215,7 +224,7 @@ xfs_finish_ioend(
 	if (atomic_dec_and_test(&ioend->io_remaining)) {
 		struct workqueue_struct *wq;
 
-		wq = (ioend->io_type == IOMAP_UNWRITTEN) ?
+		wq = (ioend->io_type == IO_UNWRITTEN) ?
 			xfsconvertd_workqueue : xfsdatad_workqueue;
 		queue_work(wq, &ioend->io_work);
 		if (wait)
@@ -238,7 +247,7 @@ xfs_end_io(
 	 * For unwritten extents we need to issue transactions to convert a
 	 * range to normal written extens after the data I/O has finished.
 	 */
-	if (ioend->io_type == IOMAP_UNWRITTEN &&
+	if (ioend->io_type == IO_UNWRITTEN &&
 	    likely(!ioend->io_error && !XFS_FORCED_SHUTDOWN(ip->i_mount))) {
 
 		error = xfs_iomap_write_unwritten(ip, ioend->io_offset,
@@ -251,7 +260,7 @@ xfs_end_io(
 	 * We might have to update the on-disk file size after extending
 	 * writes.
 	 */
-	if (ioend->io_type != IOMAP_READ) {
+	if (ioend->io_type != IO_READ) {
 		error = xfs_setfilesize(ioend);
 		ASSERT(!error || error == EAGAIN);
 	}
@@ -724,11 +733,11 @@ xfs_is_delayed_page(
 		bh = head = page_buffers(page);
 		do {
 			if (buffer_unwritten(bh))
-				acceptable = (type == IOMAP_UNWRITTEN);
+				acceptable = (type == IO_UNWRITTEN);
 			else if (buffer_delay(bh))
-				acceptable = (type == IOMAP_DELAY);
+				acceptable = (type == IO_DELAY);
 			else if (buffer_dirty(bh) && buffer_mapped(bh))
-				acceptable = (type == IOMAP_NEW);
+				acceptable = (type == IO_NEW);
 			else
 				break;
 		} while ((bh = bh->b_this_page) != head);
@@ -812,9 +821,9 @@ xfs_convert_page(
 
 		if (buffer_unwritten(bh) || buffer_delay(bh)) {
 			if (buffer_unwritten(bh))
-				type = IOMAP_UNWRITTEN;
+				type = IO_UNWRITTEN;
 			else
-				type = IOMAP_DELAY;
+				type = IO_DELAY;
 
 			if (!xfs_iomap_valid(inode, imap, offset)) {
 				done = 1;
@@ -836,7 +845,7 @@ xfs_convert_page(
 			page_dirty--;
 			count++;
 		} else {
-			type = IOMAP_NEW;
+			type = IO_NEW;
 			if (buffer_mapped(bh) && all_bh && startio) {
 				lock_buffer(bh);
 				xfs_add_to_ioend(inode, bh, offset,
@@ -940,7 +949,7 @@ xfs_aops_discard_page(
 	loff_t			offset = page_offset(page);
 	ssize_t			len = 1 << inode->i_blkbits;
 
-	if (!xfs_is_delayed_page(page, IOMAP_DELAY))
+	if (!xfs_is_delayed_page(page, IO_DELAY))
 		goto out_invalidate;
 
 	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
@@ -1107,7 +1116,7 @@ xfs_page_state_convert(
 	bh = head = page_buffers(page);
 	offset = page_offset(page);
 	flags = BMAPI_READ;
-	type = IOMAP_NEW;
+	type = IO_NEW;
 
 	/* TODO: cleanup count and page_dirty */
 
@@ -1150,13 +1159,13 @@ xfs_page_state_convert(
 				iomap_valid = 0;
 
 			if (buffer_unwritten(bh)) {
-				type = IOMAP_UNWRITTEN;
+				type = IO_UNWRITTEN;
 				flags = BMAPI_WRITE | BMAPI_IGNSTATE;
 			} else if (buffer_delay(bh)) {
-				type = IOMAP_DELAY;
+				type = IO_DELAY;
 				flags = BMAPI_ALLOCATE | trylock;
 			} else {
-				type = IOMAP_NEW;
+				type = IO_NEW;
 				flags = BMAPI_WRITE | BMAPI_MMAP;
 			}
 
@@ -1170,7 +1179,7 @@ xfs_page_state_convert(
 				 * for unwritten extent conversion.
 				 */
 				new_ioend = 1;
-				if (type == IOMAP_NEW) {
+				if (type == IO_NEW) {
 					size = xfs_probe_cluster(inode,
 							page, bh, head, 0);
 				} else {
@@ -1215,14 +1224,14 @@ xfs_page_state_convert(
 			}
 
 			/*
-			 * We set the type to IOMAP_NEW in case we are doing a
+			 * We set the type to IO_NEW in case we are doing a
 			 * small write at EOF that is extending the file but
 			 * without needing an allocation. We need to update the
 			 * file size on I/O completion in this case so it is
 			 * the same case as having just allocated a new extent
 			 * that we are writing into for the first time.
 			 */
-			type = IOMAP_NEW;
+			type = IO_NEW;
 			if (trylock_buffer(bh)) {
 				ASSERT(buffer_mapped(bh));
 				if (iomap_valid)
@@ -1594,7 +1603,7 @@ xfs_end_io_direct(
 	 */
 	ioend->io_offset = offset;
 	ioend->io_size = size;
-	if (ioend->io_type == IOMAP_READ) {
+	if (ioend->io_type == IO_READ) {
 		xfs_finish_ioend(ioend, 0);
 	} else if (private && size > 0) {
 		xfs_finish_ioend(ioend, is_sync_kiocb(iocb));
@@ -1605,7 +1614,7 @@ xfs_end_io_direct(
 		 * didn't map an unwritten extent so switch it's completion
 		 * handler.
 		 */
-		ioend->io_type = IOMAP_NEW;
+		ioend->io_type = IO_NEW;
 		xfs_finish_ioend(ioend, 0);
 	}
 
@@ -1633,7 +1642,7 @@ xfs_vm_direct_IO(
 	bdev = xfs_find_bdev_for_inode(inode);
 
 	iocb->private = xfs_alloc_ioend(inode, rw == WRITE ?
-					IOMAP_UNWRITTEN : IOMAP_READ);
+					IO_UNWRITTEN : IO_READ);
 
 	ret = blockdev_direct_IO_no_locking(rw, iocb, inode, bdev, iov,
 					    offset, nr_segs,
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index ba49a4fd1b3..41e32d20a40 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -18,14 +18,6 @@
 #ifndef __XFS_IOMAP_H__
 #define __XFS_IOMAP_H__
 
-typedef enum {				/* iomap_flags values */
-	IOMAP_READ =		0,	/* mapping for a read */
-	IOMAP_DELAY =		0x04,	/* mapping covers delalloc region  */
-	IOMAP_UNWRITTEN =	0x20,	/* mapping covers allocated */
-					/* but uninitialized file data  */
-	IOMAP_NEW =		0x40	/* just allocate */
-} iomap_flags_t;
-
 typedef enum {
 	/* base extent manipulation calls */
 	BMAPI_READ = (1 << 0),		/* read extents */

From 558e6891693f4c383c51c7343a88dea174eadacf Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:58 +0000
Subject: [PATCH 2225/3638] xfs: clean up xfs_iomap_valid

Rename all iomap_valid identifiers to imap_valid to fit the new
world order, and clean up xfs_iomap_valid to convert the passed in
offset to blocks instead of the imap values to bytes.  Use the
simpler inode->i_blkbits instead of the XFS macros for this.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 46 ++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index f1dd70e201c..6feecd27947 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -329,17 +329,15 @@ xfs_map_blocks(
 }
 
 STATIC int
-xfs_iomap_valid(
+xfs_imap_valid(
 	struct inode		*inode,
 	struct xfs_bmbt_irec	*imap,
-	loff_t			offset)
+	xfs_off_t		offset)
 {
-	struct xfs_mount	*mp = XFS_I(inode)->i_mount;
-	xfs_off_t		iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff);
-	xfs_off_t		iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
+	offset >>= inode->i_blkbits;
 
-	return offset >= iomap_offset &&
-		offset < iomap_offset + iomap_bsize;
+	return offset >= imap->br_startoff &&
+		offset < imap->br_startoff + imap->br_blockcount;
 }
 
 /*
@@ -825,7 +823,7 @@ xfs_convert_page(
 			else
 				type = IO_DELAY;
 
-			if (!xfs_iomap_valid(inode, imap, offset)) {
+			if (!xfs_imap_valid(inode, imap, offset)) {
 				done = 1;
 				continue;
 			}
@@ -1069,7 +1067,7 @@ xfs_page_state_convert(
 	__uint64_t              end_offset;
 	pgoff_t                 end_index, last_index, tlast;
 	ssize_t			size, len;
-	int			flags, err, iomap_valid = 0, uptodate = 1;
+	int			flags, err, imap_valid = 0, uptodate = 1;
 	int			page_dirty, count = 0;
 	int			trylock = 0;
 	int			all_bh = unmapped;
@@ -1130,12 +1128,12 @@ xfs_page_state_convert(
 			 * the iomap is actually still valid, but the ioend
 			 * isn't.  shouldn't happen too often.
 			 */
-			iomap_valid = 0;
+			imap_valid = 0;
 			continue;
 		}
 
-		if (iomap_valid)
-			iomap_valid = xfs_iomap_valid(inode, &imap, offset);
+		if (imap_valid)
+			imap_valid = xfs_imap_valid(inode, &imap, offset);
 
 		/*
 		 * First case, map an unwritten extent and prepare for
@@ -1156,7 +1154,7 @@ xfs_page_state_convert(
 			 * Make sure we don't use a read-only iomap
 			 */
 			if (flags == BMAPI_READ)
-				iomap_valid = 0;
+				imap_valid = 0;
 
 			if (buffer_unwritten(bh)) {
 				type = IO_UNWRITTEN;
@@ -1169,7 +1167,7 @@ xfs_page_state_convert(
 				flags = BMAPI_WRITE | BMAPI_MMAP;
 			}
 
-			if (!iomap_valid) {
+			if (!imap_valid) {
 				/*
 				 * if we didn't have a valid mapping then we
 				 * need to ensure that we put the new mapping
@@ -1190,9 +1188,10 @@ xfs_page_state_convert(
 						&imap, flags);
 				if (err)
 					goto error;
-				iomap_valid = xfs_iomap_valid(inode, &imap, offset);
+				imap_valid = xfs_imap_valid(inode, &imap,
+							    offset);
 			}
-			if (iomap_valid) {
+			if (imap_valid) {
 				xfs_map_at_offset(inode, bh, &imap, offset);
 				if (startio) {
 					xfs_add_to_ioend(inode, bh, offset,
@@ -1212,7 +1211,7 @@ xfs_page_state_convert(
 			 * That means it must already have extents allocated
 			 * underneath it. Map the extent by reading it.
 			 */
-			if (!iomap_valid || flags != BMAPI_READ) {
+			if (!imap_valid || flags != BMAPI_READ) {
 				flags = BMAPI_READ;
 				size = xfs_probe_cluster(inode, page, bh,
 								head, 1);
@@ -1220,7 +1219,8 @@ xfs_page_state_convert(
 						&imap, flags);
 				if (err)
 					goto error;
-				iomap_valid = xfs_iomap_valid(inode, &imap, offset);
+				imap_valid = xfs_imap_valid(inode, &imap,
+							    offset);
 			}
 
 			/*
@@ -1234,18 +1234,18 @@ xfs_page_state_convert(
 			type = IO_NEW;
 			if (trylock_buffer(bh)) {
 				ASSERT(buffer_mapped(bh));
-				if (iomap_valid)
+				if (imap_valid)
 					all_bh = 1;
 				xfs_add_to_ioend(inode, bh, offset, type,
-						&ioend, !iomap_valid);
+						&ioend, !imap_valid);
 				page_dirty--;
 				count++;
 			} else {
-				iomap_valid = 0;
+				imap_valid = 0;
 			}
 		} else if ((buffer_uptodate(bh) || PageUptodate(page)) &&
 			   (unmapped || startio)) {
-			iomap_valid = 0;
+			imap_valid = 0;
 		}
 
 		if (!iohead)
@@ -1259,7 +1259,7 @@ xfs_page_state_convert(
 	if (startio)
 		xfs_start_page_writeback(page, 1, count);
 
-	if (ioend && iomap_valid) {
+	if (ioend && imap_valid) {
 		struct xfs_mount	*m = XFS_I(inode)->i_mount;
 		xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, imap.br_startoff);
 		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(m, imap.br_blockcount);

From 2b8f12b7e438fa6ba4a0f8f861871be0beb3a3e6 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:28:59 +0000
Subject: [PATCH 2226/3638] xfs: clean up mapping size calculation in
 __xfs_get_blocks

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 6feecd27947..1d51bdde574 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1536,16 +1536,23 @@ __xfs_get_blocks(
 		}
 	}
 
+	/*
+	 * If this is O_DIRECT or the mpage code calling tell them how large
+	 * the mapping is, so that we can avoid repeated get_blocks calls.
+	 */
 	if (direct || size > (1 << inode->i_blkbits)) {
-		struct xfs_mount	*mp = XFS_I(inode)->i_mount;
-		xfs_off_t		iomap_offset = XFS_FSB_TO_B(mp, imap.br_startoff);
-		xfs_off_t		iomap_delta = offset - iomap_offset;
-		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(mp, imap.br_blockcount);
+		xfs_off_t		mapping_size;
 
-		ASSERT(iomap_bsize - iomap_delta > 0);
-		offset = min_t(xfs_off_t,
-				iomap_bsize - iomap_delta, size);
-		bh_result->b_size = (ssize_t)min_t(xfs_off_t, LONG_MAX, offset);
+		mapping_size = imap.br_startoff + imap.br_blockcount - iblock;
+		mapping_size <<= inode->i_blkbits;
+
+		ASSERT(mapping_size > 0);
+		if (mapping_size > size)
+			mapping_size = size;
+		if (mapping_size > LONG_MAX)
+			mapping_size = LONG_MAX;
+
+		bh_result->b_size = mapping_size;
 	}
 
 	return 0;

From bd1556a146d46070049428dded306829cb65161d Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:29:00 +0000
Subject: [PATCH 2227/3638] xfs: clean up end index calculation in
 xfs_page_state_convert

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_aops.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 1d51bdde574..089eaca860b 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1065,7 +1065,7 @@ xfs_page_state_convert(
 	unsigned long           p_offset = 0;
 	unsigned int		type;
 	__uint64_t              end_offset;
-	pgoff_t                 end_index, last_index, tlast;
+	pgoff_t                 end_index, last_index;
 	ssize_t			size, len;
 	int			flags, err, imap_valid = 0, uptodate = 1;
 	int			page_dirty, count = 0;
@@ -1260,15 +1260,22 @@ xfs_page_state_convert(
 		xfs_start_page_writeback(page, 1, count);
 
 	if (ioend && imap_valid) {
-		struct xfs_mount	*m = XFS_I(inode)->i_mount;
-		xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, imap.br_startoff);
-		xfs_off_t		iomap_bsize = XFS_FSB_TO_B(m, imap.br_blockcount);
+		xfs_off_t		end_index;
+
+		end_index = imap.br_startoff + imap.br_blockcount;
+
+		/* to bytes */
+		end_index <<= inode->i_blkbits;
+
+		/* to pages */
+		end_index = (end_index - 1) >> PAGE_CACHE_SHIFT;
+
+		/* check against file size */
+		if (end_index > last_index)
+			end_index = last_index;
 
-		offset = (iomap_offset + iomap_bsize - 1) >>
-					PAGE_CACHE_SHIFT;
-		tlast = min_t(pgoff_t, offset, last_index);
 		xfs_cluster_write(inode, page->index + 1, &imap, &ioend,
-					wbc, startio, all_bh, tlast);
+					wbc, startio, all_bh, end_index);
 	}
 
 	if (iohead)

From b4ed4626a9775cd8cb77209280d24839526f94f2 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 28 Apr 2010 12:29:01 +0000
Subject: [PATCH 2228/3638] xfs: mark xfs_iomap_write_ helpers static

And also drop a useless argument to xfs_iomap_write_direct.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_iomap.c | 20 +++++++++++++-------
 fs/xfs/xfs_iomap.h |  6 ------
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 7545dcdaa8a..ef14943829d 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -55,6 +55,13 @@
 #define XFS_STRAT_WRITE_IMAPS	2
 #define XFS_WRITE_IMAPS		XFS_BMAP_MAX_NMAP
 
+STATIC int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t,
+				  int, struct xfs_bmbt_irec *, int *);
+STATIC int xfs_iomap_write_delay(struct xfs_inode *, xfs_off_t, size_t, int,
+				 struct xfs_bmbt_irec *, int *);
+STATIC int xfs_iomap_write_allocate(struct xfs_inode *, xfs_off_t, size_t,
+				struct xfs_bmbt_irec *, int *);
+
 int
 xfs_iomap(
 	struct xfs_inode	*ip,
@@ -133,7 +140,7 @@ xfs_iomap(
 
 		if (flags & (BMAPI_DIRECT|BMAPI_MMAP)) {
 			error = xfs_iomap_write_direct(ip, offset, count, flags,
-						       imap, nimaps, *nimaps);
+						       imap, nimaps);
 		} else {
 			error = xfs_iomap_write_delay(ip, offset, count, flags,
 						      imap, nimaps);
@@ -234,15 +241,14 @@ xfs_cmn_err_fsblock_zero(
 	return EFSCORRUPTED;
 }
 
-int
+STATIC int
 xfs_iomap_write_direct(
 	xfs_inode_t	*ip,
 	xfs_off_t	offset,
 	size_t		count,
 	int		flags,
 	xfs_bmbt_irec_t *ret_imap,
-	int		*nmaps,
-	int		found)
+	int		*nmaps)
 {
 	xfs_mount_t	*mp = ip->i_mount;
 	xfs_fileoff_t	offset_fsb;
@@ -279,7 +285,7 @@ xfs_iomap_write_direct(
 		if (error)
 			goto error_out;
 	} else {
-		if (found && (ret_imap->br_startblock == HOLESTARTBLOCK))
+		if (*nmaps && (ret_imap->br_startblock == HOLESTARTBLOCK))
 			last_fsb = MIN(last_fsb, (xfs_fileoff_t)
 					ret_imap->br_blockcount +
 					ret_imap->br_startoff);
@@ -434,7 +440,7 @@ xfs_iomap_eof_want_preallocate(
 	return 0;
 }
 
-int
+STATIC int
 xfs_iomap_write_delay(
 	xfs_inode_t	*ip,
 	xfs_off_t	offset,
@@ -537,7 +543,7 @@ retry:
  * We no longer bother to look at the incoming map - all we have to
  * guarantee is that whatever we allocate fills the required range.
  */
-int
+STATIC int
 xfs_iomap_write_allocate(
 	xfs_inode_t	*ip,
 	xfs_off_t	offset,
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index 41e32d20a40..81ac4afd45b 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -44,12 +44,6 @@ struct xfs_bmbt_irec;
 
 extern int xfs_iomap(struct xfs_inode *, xfs_off_t, ssize_t, int,
 		     struct xfs_bmbt_irec *, int *, int *);
-extern int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t,
-				  int, struct xfs_bmbt_irec *, int *, int);
-extern int xfs_iomap_write_delay(struct xfs_inode *, xfs_off_t, size_t, int,
-				 struct xfs_bmbt_irec *, int *);
-extern int xfs_iomap_write_allocate(struct xfs_inode *, xfs_off_t, size_t,
-				struct xfs_bmbt_irec *, int *);
 extern int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, size_t);
 
 #endif /* __XFS_IOMAP_H__*/

From 9957abea31aed5783d6ca7175cce553045c0eb19 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Wed, 19 May 2010 16:32:52 +0100
Subject: [PATCH 2229/3638] jffs2: Add 'work_done' return value from
 jffs2_erase_pending_blocks()

We're about to start calling this from the jffs2_garbage_collect_pass(), and
we'll want to know whether it actually did anything or not.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/erase.c    | 5 ++++-
 fs/jffs2/nodelist.h | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index b47679be118..b2d2b6a6e03 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -103,9 +103,10 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
 	jffs2_erase_failed(c, jeb, bad_offset);
 }
 
-void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
+int jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
 {
 	struct jffs2_eraseblock *jeb;
+	int work_done = 0;
 
 	mutex_lock(&c->erase_free_sem);
 
@@ -121,6 +122,7 @@ void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
 			mutex_unlock(&c->erase_free_sem);
 			jffs2_mark_erased_block(c, jeb);
 
+			work_done++;
 			if (!--count) {
 				D1(printk(KERN_DEBUG "Count reached. jffs2_erase_pending_blocks leaving\n"));
 				goto done;
@@ -157,6 +159,7 @@ void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
 	mutex_unlock(&c->erase_free_sem);
  done:
 	D1(printk(KERN_DEBUG "jffs2_erase_pending_blocks completed\n"));
+	return work_done;
 }
 
 static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 36d7a849ee2..a881a42f19e 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -464,7 +464,7 @@ int jffs2_scan_dirty_space(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb
 int jffs2_do_mount_fs(struct jffs2_sb_info *c);
 
 /* erase.c */
-void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count);
+int jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count);
 void jffs2_free_jeb_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
 
 #ifdef CONFIG_JFFS2_FS_WRITEBUFFER

From 15651291a2f8c11e7e6a42d8bfde7a213ff13262 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:11 +0800
Subject: [PATCH 2230/3638] ACPI, IO memory pre-mapping and atomic accessing

Some ACPI IO accessing need to be done in atomic context. For example,
APEI ERST operations may be used for permanent storage in hardware
error handler. That is, it may be called in atomic contexts such as
IRQ or NMI, etc. And, ERST/EINJ implement their operations via IO
memory/port accessing.  But the IO memory accessing method provided by
ACPI (acpi_read/acpi_write) maps the IO memory during it is accessed,
so it can not be used in atomic context. To solve the issue, the IO
memory should be pre-mapped during EINJ/ERST initializing. A linked
list is used to record which memory area has been mapped, when memory
is accessed in hardware error handler, search the linked list for the
mapped virtual address from the given physical address.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Makefile   |   1 +
 drivers/acpi/atomicio.c | 360 ++++++++++++++++++++++++++++++++++++++++
 include/acpi/atomicio.h |  10 ++
 3 files changed, 371 insertions(+)
 create mode 100644 drivers/acpi/atomicio.c
 create mode 100644 include/acpi/atomicio.h

diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index a8d8998dd5c..93251fb599f 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -19,6 +19,7 @@ obj-y				+= acpi.o \
 
 # All the builtin files are in the "acpi." module_param namespace.
 acpi-y				+= osl.o utils.o reboot.o
+acpi-y				+= atomicio.o
 acpi-y				+= hest.o
 
 # sleep related files
diff --git a/drivers/acpi/atomicio.c b/drivers/acpi/atomicio.c
new file mode 100644
index 00000000000..814b1924961
--- /dev/null
+++ b/drivers/acpi/atomicio.c
@@ -0,0 +1,360 @@
+/*
+ * atomicio.c - ACPI IO memory pre-mapping/post-unmapping, then
+ * accessing in atomic context.
+ *
+ * This is used for NMI handler to access IO memory area, because
+ * ioremap/iounmap can not be used in NMI handler. The IO memory area
+ * is pre-mapped in process context and accessed in NMI handler.
+ *
+ * Copyright (C) 2009-2010, Intel Corp.
+ *	Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/io.h>
+#include <linux/kref.h>
+#include <linux/rculist.h>
+#include <linux/interrupt.h>
+#include <acpi/atomicio.h>
+
+#define ACPI_PFX "ACPI: "
+
+static LIST_HEAD(acpi_iomaps);
+/*
+ * Used for mutual exclusion between writers of acpi_iomaps list, for
+ * synchronization between readers and writer, RCU is used.
+ */
+static DEFINE_SPINLOCK(acpi_iomaps_lock);
+
+struct acpi_iomap {
+	struct list_head list;
+	void __iomem *vaddr;
+	unsigned long size;
+	phys_addr_t paddr;
+	struct kref ref;
+};
+
+/* acpi_iomaps_lock or RCU read lock must be held before calling */
+static struct acpi_iomap *__acpi_find_iomap(phys_addr_t paddr,
+					    unsigned long size)
+{
+	struct acpi_iomap *map;
+
+	list_for_each_entry_rcu(map, &acpi_iomaps, list) {
+		if (map->paddr + map->size >= paddr + size &&
+		    map->paddr <= paddr)
+			return map;
+	}
+	return NULL;
+}
+
+/*
+ * Atomic "ioremap" used by NMI handler, if the specified IO memory
+ * area is not pre-mapped, NULL will be returned.
+ *
+ * acpi_iomaps_lock or RCU read lock must be held before calling
+ */
+static void __iomem *__acpi_ioremap_fast(phys_addr_t paddr,
+					 unsigned long size)
+{
+	struct acpi_iomap *map;
+
+	map = __acpi_find_iomap(paddr, size);
+	if (map)
+		return map->vaddr + (paddr - map->paddr);
+	else
+		return NULL;
+}
+
+/* acpi_iomaps_lock must be held before calling */
+static void __iomem *__acpi_try_ioremap(phys_addr_t paddr,
+					unsigned long size)
+{
+	struct acpi_iomap *map;
+
+	map = __acpi_find_iomap(paddr, size);
+	if (map) {
+		kref_get(&map->ref);
+		return map->vaddr + (paddr - map->paddr);
+	} else
+		return NULL;
+}
+
+/*
+ * Used to pre-map the specified IO memory area. First try to find
+ * whether the area is already pre-mapped, if it is, increase the
+ * reference count (in __acpi_try_ioremap) and return; otherwise, do
+ * the real ioremap, and add the mapping into acpi_iomaps list.
+ */
+static void __iomem *acpi_pre_map(phys_addr_t paddr,
+				  unsigned long size)
+{
+	void __iomem *vaddr;
+	struct acpi_iomap *map;
+	unsigned long pg_sz, flags;
+	phys_addr_t pg_off;
+
+	spin_lock_irqsave(&acpi_iomaps_lock, flags);
+	vaddr = __acpi_try_ioremap(paddr, size);
+	spin_unlock_irqrestore(&acpi_iomaps_lock, flags);
+	if (vaddr)
+		return vaddr;
+
+	pg_off = paddr & PAGE_MASK;
+	pg_sz = ((paddr + size + PAGE_SIZE - 1) & PAGE_MASK) - pg_off;
+	vaddr = ioremap(pg_off, pg_sz);
+	if (!vaddr)
+		return NULL;
+	map = kmalloc(sizeof(*map), GFP_KERNEL);
+	if (!map)
+		goto err_unmap;
+	INIT_LIST_HEAD(&map->list);
+	map->paddr = pg_off;
+	map->size = pg_sz;
+	map->vaddr = vaddr;
+	kref_init(&map->ref);
+
+	spin_lock_irqsave(&acpi_iomaps_lock, flags);
+	vaddr = __acpi_try_ioremap(paddr, size);
+	if (vaddr) {
+		spin_unlock_irqrestore(&acpi_iomaps_lock, flags);
+		iounmap(map->vaddr);
+		kfree(map);
+		return vaddr;
+	}
+	list_add_tail_rcu(&map->list, &acpi_iomaps);
+	spin_unlock_irqrestore(&acpi_iomaps_lock, flags);
+
+	return vaddr + (paddr - pg_off);
+err_unmap:
+	iounmap(vaddr);
+	return NULL;
+}
+
+/* acpi_iomaps_lock must be held before calling */
+static void __acpi_kref_del_iomap(struct kref *ref)
+{
+	struct acpi_iomap *map;
+
+	map = container_of(ref, struct acpi_iomap, ref);
+	list_del_rcu(&map->list);
+}
+
+/*
+ * Used to post-unmap the specified IO memory area. The iounmap is
+ * done only if the reference count goes zero.
+ */
+static void acpi_post_unmap(phys_addr_t paddr, unsigned long size)
+{
+	struct acpi_iomap *map;
+	unsigned long flags;
+	int del;
+
+	spin_lock_irqsave(&acpi_iomaps_lock, flags);
+	map = __acpi_find_iomap(paddr, size);
+	BUG_ON(!map);
+	del = kref_put(&map->ref, __acpi_kref_del_iomap);
+	spin_unlock_irqrestore(&acpi_iomaps_lock, flags);
+
+	if (!del)
+		return;
+
+	synchronize_rcu();
+	iounmap(map->vaddr);
+	kfree(map);
+}
+
+/* In NMI handler, should set silent = 1 */
+static int acpi_check_gar(struct acpi_generic_address *reg,
+			  u64 *paddr, int silent)
+{
+	u32 width, space_id;
+
+	width = reg->bit_width;
+	space_id = reg->space_id;
+	/* Handle possible alignment issues */
+	memcpy(paddr, &reg->address, sizeof(*paddr));
+	if (!*paddr) {
+		if (!silent)
+			pr_warning(FW_BUG ACPI_PFX
+			"Invalid physical address in GAR [0x%llx/%u/%u]\n",
+				   *paddr, width, space_id);
+		return -EINVAL;
+	}
+
+	if ((width != 8) && (width != 16) && (width != 32) && (width != 64)) {
+		if (!silent)
+			pr_warning(FW_BUG ACPI_PFX
+				   "Invalid bit width in GAR [0x%llx/%u/%u]\n",
+				   *paddr, width, space_id);
+		return -EINVAL;
+	}
+
+	if (space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY &&
+	    space_id != ACPI_ADR_SPACE_SYSTEM_IO) {
+		if (!silent)
+			pr_warning(FW_BUG ACPI_PFX
+			"Invalid address space type in GAR [0x%llx/%u/%u]\n",
+				   *paddr, width, space_id);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* Pre-map, working on GAR */
+int acpi_pre_map_gar(struct acpi_generic_address *reg)
+{
+	u64 paddr;
+	void __iomem *vaddr;
+	int rc;
+
+	if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
+		return 0;
+
+	rc = acpi_check_gar(reg, &paddr, 0);
+	if (rc)
+		return rc;
+
+	vaddr = acpi_pre_map(paddr, reg->bit_width / 8);
+	if (!vaddr)
+		return -EIO;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(acpi_pre_map_gar);
+
+/* Post-unmap, working on GAR */
+int acpi_post_unmap_gar(struct acpi_generic_address *reg)
+{
+	u64 paddr;
+	int rc;
+
+	if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
+		return 0;
+
+	rc = acpi_check_gar(reg, &paddr, 0);
+	if (rc)
+		return rc;
+
+	acpi_post_unmap(paddr, reg->bit_width / 8);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(acpi_post_unmap_gar);
+
+/*
+ * Can be used in atomic (including NMI) or process context. RCU read
+ * lock can only be released after the IO memory area accessing.
+ */
+static int acpi_atomic_read_mem(u64 paddr, u64 *val, u32 width)
+{
+	void __iomem *addr;
+
+	rcu_read_lock();
+	addr = __acpi_ioremap_fast(paddr, width);
+	switch (width) {
+	case 8:
+		*val = readb(addr);
+		break;
+	case 16:
+		*val = readw(addr);
+		break;
+	case 32:
+		*val = readl(addr);
+		break;
+	case 64:
+		*val = readq(addr);
+		break;
+	default:
+		return -EINVAL;
+	}
+	rcu_read_unlock();
+
+	return 0;
+}
+
+static int acpi_atomic_write_mem(u64 paddr, u64 val, u32 width)
+{
+	void __iomem *addr;
+
+	rcu_read_lock();
+	addr = __acpi_ioremap_fast(paddr, width);
+	switch (width) {
+	case 8:
+		writeb(val, addr);
+		break;
+	case 16:
+		writew(val, addr);
+		break;
+	case 32:
+		writel(val, addr);
+		break;
+	case 64:
+		writeq(val, addr);
+		break;
+	default:
+		return -EINVAL;
+	}
+	rcu_read_unlock();
+
+	return 0;
+}
+
+/* GAR accessing in atomic (including NMI) or process context */
+int acpi_atomic_read(u64 *val, struct acpi_generic_address *reg)
+{
+	u64 paddr;
+	int rc;
+
+	rc = acpi_check_gar(reg, &paddr, 1);
+	if (rc)
+		return rc;
+
+	*val = 0;
+	switch (reg->space_id) {
+	case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+		return acpi_atomic_read_mem(paddr, val, reg->bit_width);
+	case ACPI_ADR_SPACE_SYSTEM_IO:
+		return acpi_os_read_port(paddr, (u32 *)val, reg->bit_width);
+	default:
+		return -EINVAL;
+	}
+}
+EXPORT_SYMBOL_GPL(acpi_atomic_read);
+
+int acpi_atomic_write(u64 val, struct acpi_generic_address *reg)
+{
+	u64 paddr;
+	int rc;
+
+	rc = acpi_check_gar(reg, &paddr, 1);
+	if (rc)
+		return rc;
+
+	switch (reg->space_id) {
+	case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+		return acpi_atomic_write_mem(paddr, val, reg->bit_width);
+	case ACPI_ADR_SPACE_SYSTEM_IO:
+		return acpi_os_write_port(paddr, val, reg->bit_width);
+	default:
+		return -EINVAL;
+	}
+}
+EXPORT_SYMBOL_GPL(acpi_atomic_write);
diff --git a/include/acpi/atomicio.h b/include/acpi/atomicio.h
new file mode 100644
index 00000000000..8b9fb4b0b9c
--- /dev/null
+++ b/include/acpi/atomicio.h
@@ -0,0 +1,10 @@
+#ifndef ACPI_ATOMIC_IO_H
+#define ACPI_ATOMIC_IO_H
+
+int acpi_pre_map_gar(struct acpi_generic_address *reg);
+int acpi_post_unmap_gar(struct acpi_generic_address *reg);
+
+int acpi_atomic_read(u64 *val, struct acpi_generic_address *reg);
+int acpi_atomic_write(u64 val, struct acpi_generic_address *reg);
+
+#endif

From 0717bf8411bb673dd2369aaa096f7396446b38f5 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Wed, 19 May 2010 16:37:13 +0100
Subject: [PATCH 2231/3638] jffs2: Erase pending blocks in GC pass, avoid
 invalid -EIO return

jffs2_garbage_collect_pass() would previously return -EAGAIN if it
couldn't find anything to garbage collect from, and there were blocks on
the erase_pending_list. If the blocks were actually in the process of
being erased, though, then they wouldn't be on that list. Check for
nr_erasing_blocks being non-zero instead.

Fix jffs2_reserve_space() to wait for the in-progress erases to
complete, when jffs2_garbage_collect_pass() returns -EAGAIN.

And fix jffs2_erase_succeeded() to actually wake up the erase_wait wq
that jffs2_reserve_space() is now using.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/erase.c    |  1 +
 fs/jffs2/gc.c       | 15 ++++++++++++++-
 fs/jffs2/nodemgmt.c | 18 +++++++++++++++---
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index b2d2b6a6e03..563c857ca54 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -172,6 +172,7 @@ static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblo
 	mutex_unlock(&c->erase_free_sem);
 	/* Ensure that kupdated calls us again to mark them clean */
 	jffs2_erase_pending_trigger(c);
+	wake_up(&c->erase_wait);
 }
 
 static void jffs2_erase_failed(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t bad_offset)
diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index 3b6f2fa12cf..1ea4a843a43 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -214,6 +214,19 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
 		return ret;
 	}
 
+	/* If there are any blocks which need erasing, erase them now */
+	if (!list_empty(&c->erase_complete_list) ||
+	    !list_empty(&c->erase_pending_list)) {
+		spin_unlock(&c->erase_completion_lock);
+		D1(printk(KERN_DEBUG "jffs2_garbage_collect_pass() erasing pending blocks\n"));
+		if (jffs2_erase_pending_blocks(c, 1)) {
+			mutex_unlock(&c->alloc_sem);
+			return 0;
+		}
+		D1(printk(KERN_DEBUG "No progress from erasing blocks; doing GC anyway\n"));
+		spin_lock(&c->erase_completion_lock);
+	}
+
 	/* First, work out which block we're garbage-collecting */
 	jeb = c->gcblock;
 
@@ -222,7 +235,7 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
 
 	if (!jeb) {
 		/* Couldn't find a free block. But maybe we can just erase one and make 'progress'? */
-		if (!list_empty(&c->erase_pending_list)) {
+		if (c->nr_erasing_blocks) {
 			spin_unlock(&c->erase_completion_lock);
 			mutex_unlock(&c->alloc_sem);
 			return -EAGAIN;
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index 191359dde4e..08e2c69fc14 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -116,9 +116,21 @@ int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize,
 
 			ret = jffs2_garbage_collect_pass(c);
 
-			if (ret == -EAGAIN)
-				jffs2_erase_pending_blocks(c, 1);
-			else if (ret)
+			if (ret == -EAGAIN) {
+				spin_lock(&c->erase_completion_lock);
+				if (c->nr_erasing_blocks &&
+				    list_empty(&c->erase_pending_list) &&
+				    list_empty(&c->erase_complete_list)) {
+					DECLARE_WAITQUEUE(wait, current);
+					set_current_state(TASK_UNINTERRUPTIBLE);
+					add_wait_queue(&c->erase_wait, &wait);
+					D1(printk(KERN_DEBUG "%s waiting for erase to complete\n", __func__));
+					spin_unlock(&c->erase_completion_lock);
+
+					schedule();
+				} else
+					spin_unlock(&c->erase_completion_lock);
+			} else if (ret)
 				return ret;
 
 			cond_resched();

From d6ce171069635f05737935adc813b4d48d71a583 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Wed, 19 May 2010 16:55:40 +0100
Subject: [PATCH 2232/3638] jffs2: Wake GC thread when there are blocks to be
 erased

Now that we trigger block erases from jffs2_garbage_collect_pass(),
adjust jffs2_thread_should_wake() to return 1 when there are blocks to
erase.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/nodemgmt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index 08e2c69fc14..5ab5c8521cd 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -744,6 +744,10 @@ int jffs2_thread_should_wake(struct jffs2_sb_info *c)
 	int nr_very_dirty = 0;
 	struct jffs2_eraseblock *jeb;
 
+	if (!list_empty(&c->erase_complete_list) ||
+	    !list_empty(&c->erase_pending_list))
+		return 1;
+
 	if (c->unchecked_size) {
 		D1(printk(KERN_DEBUG "jffs2_thread_should_wake(): unchecked_size %d, checked_ino #%d\n",
 			  c->unchecked_size, c->checked_ino));

From acb64a43e4503fbea9faf123f2403da7af8831eb Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Wed, 19 May 2010 17:00:10 +0100
Subject: [PATCH 2233/3638] jffs2: Require jffs2_garbage_collect_trigger() to
 be called with lock held

We're about to call this from a bunch of places which already hold
c->erase_completion_lock, so add an assertion and change its existing
callers to do the same.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/background.c | 3 +--
 fs/jffs2/nodemgmt.c   | 2 ++
 fs/jffs2/super.c      | 2 ++
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
index 3ff50da9478..55f1dde2fa8 100644
--- a/fs/jffs2/background.c
+++ b/fs/jffs2/background.c
@@ -23,10 +23,9 @@ static int jffs2_garbage_collect_thread(void *);
 
 void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c)
 {
-	spin_lock(&c->erase_completion_lock);
+	assert_spin_locked(&c->erase_completion_lock);
 	if (c->gc_task && jffs2_thread_should_wake(c))
 		send_sig(SIGHUP, c->gc_task, 1);
-	spin_unlock(&c->erase_completion_lock);
 }
 
 /* This must only ever be called when no GC thread is currently running */
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index 5ab5c8521cd..dd2d920d332 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -481,7 +481,9 @@ struct jffs2_raw_node_ref *jffs2_add_physical_node_ref(struct jffs2_sb_info *c,
 void jffs2_complete_reservation(struct jffs2_sb_info *c)
 {
 	D1(printk(KERN_DEBUG "jffs2_complete_reservation()\n"));
+	spin_lock(&c->erase_completion_lock);
 	jffs2_garbage_collect_trigger(c);
+	spin_unlock(&c->erase_completion_lock);
 	mutex_unlock(&c->alloc_sem);
 }
 
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 9a80e8e595d..12cc967c5c0 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -63,7 +63,9 @@ static void jffs2_write_super(struct super_block *sb)
 
 	if (!(sb->s_flags & MS_RDONLY)) {
 		D1(printk(KERN_DEBUG "jffs2_write_super()\n"));
+		spin_lock(&c->erase_completion_lock);
 		jffs2_garbage_collect_trigger(c);
+		spin_unlock(&c->erase_completion_lock);
 		jffs2_erase_pending_blocks(c, 0);
 		jffs2_flush_wbuf_gc(c, 0);
 	}

From ae3b6ba06c8ed399ef920724ee8136e540878294 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Wed, 19 May 2010 17:05:14 +0100
Subject: [PATCH 2234/3638] jffs2: Use jffs2_garbage_collect_trigger() to
 trigger pending erases

This is now done in a GC pass; we don't need to trigger kupdated to do it.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/erase.c    | 6 +++---
 fs/jffs2/gc.c       | 2 +-
 fs/jffs2/nodemgmt.c | 4 ++--
 fs/jffs2/scan.c     | 4 +++-
 fs/jffs2/wbuf.c     | 6 +++---
 5 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index 563c857ca54..6286ad9b00f 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -168,10 +168,10 @@ static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblo
 	mutex_lock(&c->erase_free_sem);
 	spin_lock(&c->erase_completion_lock);
 	list_move_tail(&jeb->list, &c->erase_complete_list);
+	/* Wake the GC thread to mark them clean */
+	jffs2_garbage_collect_trigger(c);
 	spin_unlock(&c->erase_completion_lock);
 	mutex_unlock(&c->erase_free_sem);
-	/* Ensure that kupdated calls us again to mark them clean */
-	jffs2_erase_pending_trigger(c);
 	wake_up(&c->erase_wait);
 }
 
@@ -491,9 +491,9 @@ filebad:
 
 refile:
 	/* Stick it back on the list from whence it came and come back later */
-	jffs2_erase_pending_trigger(c);
 	mutex_lock(&c->erase_free_sem);
 	spin_lock(&c->erase_completion_lock);
+	jffs2_garbage_collect_trigger(c);
 	list_move(&jeb->list, &c->erase_complete_list);
 	spin_unlock(&c->erase_completion_lock);
 	mutex_unlock(&c->erase_free_sem);
diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index 1ea4a843a43..f5e96bd656e 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -448,7 +448,7 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
 		list_add_tail(&c->gcblock->list, &c->erase_pending_list);
 		c->gcblock = NULL;
 		c->nr_erasing_blocks++;
-		jffs2_erase_pending_trigger(c);
+		jffs2_garbage_collect_trigger(c);
 	}
 	spin_unlock(&c->erase_completion_lock);
 
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index dd2d920d332..694aa5b0350 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -229,7 +229,7 @@ static int jffs2_find_nextblock(struct jffs2_sb_info *c)
 			ejeb = list_entry(c->erasable_list.next, struct jffs2_eraseblock, list);
 			list_move_tail(&ejeb->list, &c->erase_pending_list);
 			c->nr_erasing_blocks++;
-			jffs2_erase_pending_trigger(c);
+			jffs2_garbage_collect_trigger(c);
 			D1(printk(KERN_DEBUG "jffs2_find_nextblock: Triggering erase of erasable block at 0x%08x\n",
 				  ejeb->offset));
 		}
@@ -625,7 +625,7 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
 				D1(printk(KERN_DEBUG "...and adding to erase_pending_list\n"));
 				list_add_tail(&jeb->list, &c->erase_pending_list);
 				c->nr_erasing_blocks++;
-				jffs2_erase_pending_trigger(c);
+				jffs2_garbage_collect_trigger(c);
 			} else {
 				/* Sometimes, however, we leave it elsewhere so it doesn't get
 				   immediately reused, and we spread the load a bit. */
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 696686cc206..46f870d1cc3 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -260,7 +260,9 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
 			ret = -EIO;
 			goto out;
 		}
-		jffs2_erase_pending_trigger(c);
+		spin_lock(&c->erase_completion_lock);
+		jffs2_garbage_collect_trigger(c);
+		spin_unlock(&c->erase_completion_lock);
 	}
 	ret = 0;
  out:
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 5ef7bac265e..be114beca13 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -121,7 +121,7 @@ static inline void jffs2_refile_wbuf_blocks(struct jffs2_sb_info *c)
 			D1(printk(KERN_DEBUG "...and adding to erase_pending_list\n"));
 			list_add_tail(&jeb->list, &c->erase_pending_list);
 			c->nr_erasing_blocks++;
-			jffs2_erase_pending_trigger(c);
+			jffs2_garbage_collect_trigger(c);
 		} else {
 			/* Sometimes, however, we leave it elsewhere so it doesn't get
 			   immediately reused, and we spread the load a bit. */
@@ -152,7 +152,7 @@ static void jffs2_block_refile(struct jffs2_sb_info *c, struct jffs2_eraseblock
 		D1(printk("Refiling block at %08x to erase_pending_list\n", jeb->offset));
 		list_add(&jeb->list, &c->erase_pending_list);
 		c->nr_erasing_blocks++;
-		jffs2_erase_pending_trigger(c);
+		jffs2_garbage_collect_trigger(c);
 	}
 
 	if (!jffs2_prealloc_raw_node_refs(c, jeb, 1)) {
@@ -543,7 +543,7 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
 		D1(printk(KERN_DEBUG "Failing block at %08x is now empty. Moving to erase_pending_list\n", jeb->offset));
 		list_move(&jeb->list, &c->erase_pending_list);
 		c->nr_erasing_blocks++;
-		jffs2_erase_pending_trigger(c);
+		jffs2_garbage_collect_trigger(c);
 	}
 
 	jffs2_dbg_acct_sanity_check_nolock(c, jeb);

From 64a5c2eb82d2a626116fde8a0ea3bb39a3f4f233 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Wed, 19 May 2010 17:13:19 +0100
Subject: [PATCH 2235/3638] jffs2: Rename jffs2_erase_pending_trigger() to
 jffs2_dirty_trigger()

Now that we do erases from GC and trigger the GC thread to do them
instead of using kupdated, this function is misnamed. It's only used
for triggering wbuf flush on NAND flash now. Rename it accordingly.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/os-linux.h | 3 +--
 fs/jffs2/wbuf.c     | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index a7f03b7ebcb..035a767f958 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -140,8 +140,7 @@ void jffs2_nor_wbuf_flash_cleanup(struct jffs2_sb_info *c);
 
 #endif /* WRITEBUFFER */
 
-/* erase.c */
-static inline void jffs2_erase_pending_trigger(struct jffs2_sb_info *c)
+static inline void jffs2_dirty_trigger(struct jffs2_sb_info *c)
 {
 	OFNI_BS_2SFFJ(c)->s_dirt = 1;
 }
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index be114beca13..07ee1546b2f 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -84,7 +84,7 @@ static void jffs2_wbuf_dirties_inode(struct jffs2_sb_info *c, uint32_t ino)
 	struct jffs2_inodirty *new;
 
 	/* Mark the superblock dirty so that kupdated will flush... */
-	jffs2_erase_pending_trigger(c);
+	jffs2_dirty_trigger(c);
 
 	if (jffs2_wbuf_pending_for_ino(c, ino))
 		return;

From 9723152ad1efb844445e63f052e6d39e85e11649 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Wed, 19 May 2010 17:16:11 +0100
Subject: [PATCH 2236/3638] jffs2: Stop triggering block erases from
 jffs2_write_super()

This is the culmination of this sequence of patches. By moving the block
erasing from jffs2_write_super() into the GC code, we avoid huge
latencies on unmount where it waits for _all_ pending blocks to be
erased, and we allow better control for time-critical tasks by stopping
the GC thread.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/super.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 12cc967c5c0..511e2d609d1 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -63,10 +63,6 @@ static void jffs2_write_super(struct super_block *sb)
 
 	if (!(sb->s_flags & MS_RDONLY)) {
 		D1(printk(KERN_DEBUG "jffs2_write_super()\n"));
-		spin_lock(&c->erase_completion_lock);
-		jffs2_garbage_collect_trigger(c);
-		spin_unlock(&c->erase_completion_lock);
-		jffs2_erase_pending_blocks(c, 0);
 		jffs2_flush_wbuf_gc(c, 0);
 	}
 

From 05d71b4625bdadd7c7ae80455e7038e221c76e4d Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Tue, 30 Mar 2010 02:52:39 +0900
Subject: [PATCH 2237/3638] mtd: update gfp/slab.h includes

Implicit slab.h inclusion via percpu.h is about to go away.  Make sure
gfp.h or slab.h is included as necessary.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdcore.c          | 1 +
 drivers/mtd/nand/mpc5121_nfc.c | 1 +
 drivers/mtd/nand/r852.c        | 1 +
 3 files changed, 3 insertions(+)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 3ae06c8935b..a1b8b70d2d0 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -21,6 +21,7 @@
 #include <linux/proc_fs.h>
 #include <linux/idr.h>
 #include <linux/backing-dev.h>
+#include <linux/gfp.h>
 
 #include <linux/mtd/mtd.h>
 
diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
index f713b15fa45..3d0867d829c 100644
--- a/drivers/mtd/nand/mpc5121_nfc.c
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -27,6 +27,7 @@
 
 #include <linux/module.h>
 #include <linux/clk.h>
+#include <linux/gfp.h>
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 6dfbb471316..78a42329547 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -15,6 +15,7 @@
 #include <linux/pci.h>
 #include <linux/pci_ids.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 #include <asm/byteorder.h>
 #include <linux/sched.h>
 #include "sm_common.h"

From f6e1467d8303a397ce40bcfb5f72f97d3ebc768f Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 19 May 2010 11:13:02 -0300
Subject: [PATCH 2238/3638] perf symbols: Don't try to read the build-id twice
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

In __dsos__read_build_ids if the dso already had its build-id read,
don't try again.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/symbol.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index a06131f6259..87d9b1b8b6b 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1131,6 +1131,10 @@ bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
 	list_for_each_entry(pos, head, node) {
 		if (with_hits && !pos->hit)
 			continue;
+		if (pos->has_build_id) {
+			have_build_id = true;
+			continue;
+		}
 		if (filename__read_build_id(pos->long_name, pos->build_id,
 					    sizeof(pos->build_id)) > 0) {
 			have_build_id	  = true;

From f869097e884d8cb65b2bb7831ca57b7dffb66fdd Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 19 May 2010 13:41:23 -0300
Subject: [PATCH 2239/3638] perf session: Make read_build_id routines look at
 the host_machine too
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The changes made to support host and guest machines in a session, that
started when the 'perf kvm' tool was introduced ended up introducing a
bug where the host_machine was not having its DSOs traversed for
build-id processing.

Fix it by moving some methods to the right classes and considering the
host_machine when processing build-ids.

Reported-by: Tom Zanussi <tzanussi@gmail.com>
Reported-by: Stephane Eranian <eranian@google.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/header.c  | 86 ++++++++++++++++++++++++---------------
 tools/perf/util/session.c |  7 ++++
 tools/perf/util/session.h |  8 +---
 tools/perf/util/symbol.c  |  9 +++-
 tools/perf/util/symbol.h  |  1 +
 5 files changed, 70 insertions(+), 41 deletions(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 8847bec64c5..1f62435f96c 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -221,29 +221,38 @@ static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
 	return 0;
 }
 
+static int machine__write_buildid_table(struct machine *self, int fd)
+{
+	int err;
+	u16 kmisc = PERF_RECORD_MISC_KERNEL,
+	    umisc = PERF_RECORD_MISC_USER;
+
+	if (!machine__is_host(self)) {
+		kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
+		umisc = PERF_RECORD_MISC_GUEST_USER;
+	}
+
+	err = __dsos__write_buildid_table(&self->kernel_dsos, self->pid,
+					  kmisc, fd);
+	if (err == 0)
+		err = __dsos__write_buildid_table(&self->user_dsos,
+						  self->pid, umisc, fd);
+	return err;
+}
+
 static int dsos__write_buildid_table(struct perf_header *header, int fd)
 {
 	struct perf_session *session = container_of(header,
 			struct perf_session, header);
 	struct rb_node *nd;
-	int err = 0;
-	u16 kmisc, umisc;
+	int err = machine__write_buildid_table(&session->host_machine, fd);
+
+	if (err)
+		return err;
 
 	for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
 		struct machine *pos = rb_entry(nd, struct machine, rb_node);
-		if (machine__is_host(pos)) {
-			kmisc = PERF_RECORD_MISC_KERNEL;
-			umisc = PERF_RECORD_MISC_USER;
-		} else {
-			kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
-			umisc = PERF_RECORD_MISC_GUEST_USER;
-		}
-
-		err = __dsos__write_buildid_table(&pos->kernel_dsos, pos->pid,
-						  kmisc, fd);
-		if (err == 0)
-			err = __dsos__write_buildid_table(&pos->user_dsos,
-							  pos->pid, umisc, fd);
+		err = machine__write_buildid_table(pos, fd);
 		if (err)
 			break;
 	}
@@ -363,12 +372,17 @@ static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
 	return err;
 }
 
-static int dsos__cache_build_ids(struct perf_header *self)
+static int machine__cache_build_ids(struct machine *self, const char *debugdir)
+{
+	int ret = __dsos__cache_build_ids(&self->kernel_dsos, debugdir);
+	ret |= __dsos__cache_build_ids(&self->user_dsos, debugdir);
+	return ret;
+}
+
+static int perf_session__cache_build_ids(struct perf_session *self)
 {
-	struct perf_session *session = container_of(self,
-			struct perf_session, header);
 	struct rb_node *nd;
-	int ret = 0;
+	int ret;
 	char debugdir[PATH_MAX];
 
 	snprintf(debugdir, sizeof(debugdir), "%s/%s", getenv("HOME"),
@@ -377,25 +391,30 @@ static int dsos__cache_build_ids(struct perf_header *self)
 	if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
 		return -1;
 
-	for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
+	ret = machine__cache_build_ids(&self->host_machine, debugdir);
+
+	for (nd = rb_first(&self->machines); nd; nd = rb_next(nd)) {
 		struct machine *pos = rb_entry(nd, struct machine, rb_node);
-		ret |= __dsos__cache_build_ids(&pos->kernel_dsos, debugdir);
-		ret |= __dsos__cache_build_ids(&pos->user_dsos, debugdir);
+		ret |= machine__cache_build_ids(pos, debugdir);
 	}
 	return ret ? -1 : 0;
 }
 
-static bool dsos__read_build_ids(struct perf_header *self, bool with_hits)
+static bool machine__read_build_ids(struct machine *self, bool with_hits)
 {
-	bool ret = false;
-	struct perf_session *session = container_of(self,
-			struct perf_session, header);
-	struct rb_node *nd;
+	bool ret = __dsos__read_build_ids(&self->kernel_dsos, with_hits);
+	ret |= __dsos__read_build_ids(&self->user_dsos, with_hits);
+	return ret;
+}
 
-	for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
+static bool perf_session__read_build_ids(struct perf_session *self, bool with_hits)
+{
+	struct rb_node *nd;
+	bool ret = machine__read_build_ids(&self->host_machine, with_hits);
+
+	for (nd = rb_first(&self->machines); nd; nd = rb_next(nd)) {
 		struct machine *pos = rb_entry(nd, struct machine, rb_node);
-		ret |= __dsos__read_build_ids(&pos->kernel_dsos, with_hits);
-		ret |= __dsos__read_build_ids(&pos->user_dsos, with_hits);
+		ret |= machine__read_build_ids(pos, with_hits);
 	}
 
 	return ret;
@@ -404,12 +423,14 @@ static bool dsos__read_build_ids(struct perf_header *self, bool with_hits)
 static int perf_header__adds_write(struct perf_header *self, int fd)
 {
 	int nr_sections;
+	struct perf_session *session;
 	struct perf_file_section *feat_sec;
 	int sec_size;
 	u64 sec_start;
 	int idx = 0, err;
 
-	if (dsos__read_build_ids(self, true))
+	session = container_of(self, struct perf_session, header);
+	if (perf_session__read_build_ids(session, true))
 		perf_header__set_feat(self, HEADER_BUILD_ID);
 
 	nr_sections = bitmap_weight(self->adds_features, HEADER_FEAT_BITS);
@@ -450,7 +471,7 @@ static int perf_header__adds_write(struct perf_header *self, int fd)
 		}
 		buildid_sec->size = lseek(fd, 0, SEEK_CUR) -
 					  buildid_sec->offset;
-		dsos__cache_build_ids(self);
+		perf_session__cache_build_ids(session);
 	}
 
 	lseek(fd, sec_start, SEEK_SET);
@@ -490,7 +511,6 @@ int perf_header__write(struct perf_header *self, int fd, bool at_exit)
 
 	lseek(fd, sizeof(f_header), SEEK_SET);
 
-
 	for (i = 0; i < self->attrs; i++) {
 		attr = self->attr[i];
 
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index e4eaa6d02f5..8f83a183576 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -895,3 +895,10 @@ size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp)
 	       __dsos__fprintf(&self->host_machine.user_dsos, fp) +
 	       machines__fprintf_dsos(&self->machines, fp);
 }
+
+size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
+					  bool with_hits)
+{
+	size_t ret = machine__fprintf_dsos_buildid(&self->host_machine, fp, with_hits);
+	return ret + machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
+}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index e7fce486ebe..55c6881b218 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -132,12 +132,8 @@ void perf_session__process_machines(struct perf_session *self,
 
 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
 
-static inline
-size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
-					  bool with_hits)
-{
-	return machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
-}
+size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
+					  FILE *fp, bool with_hits);
 
 static inline
 size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 87d9b1b8b6b..96bff0e5486 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1937,6 +1937,12 @@ static size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
 	return ret;
 }
 
+size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits)
+{
+	return __dsos__fprintf_buildid(&self->kernel_dsos, fp, with_hits) +
+	       __dsos__fprintf_buildid(&self->user_dsos, fp, with_hits);
+}
+
 size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits)
 {
 	struct rb_node *nd;
@@ -1944,8 +1950,7 @@ size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_
 
 	for (nd = rb_first(self); nd; nd = rb_next(nd)) {
 		struct machine *pos = rb_entry(nd, struct machine, rb_node);
-		ret += __dsos__fprintf_buildid(&pos->kernel_dsos, fp, with_hits);
-		ret += __dsos__fprintf_buildid(&pos->user_dsos, fp, with_hits);
+		ret += machine__fprintf_dsos_buildid(pos, fp, with_hits);
 	}
 	return ret;
 }
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 032469e4187..5d25b5eb145 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -170,6 +170,7 @@ int machine__load_vmlinux_path(struct machine *self, enum map_type type,
 
 size_t __dsos__fprintf(struct list_head *head, FILE *fp);
 
+size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits);
 size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp);
 size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits);
 

From 1f0ce8b3dd667dca720a47869f8110c298f0e5b8 Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw2@infradead.org>
Date: Wed, 19 May 2010 12:01:42 +0100
Subject: [PATCH 2240/3638] mm: Move ARCH_SLAB_MINALIGN and
 ARCH_KMALLOC_MINALIGN to <linux/slab_def.h>

Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 include/linux/slab_def.h | 24 ++++++++++++++++++++++++
 mm/slab.c                | 24 ------------------------
 2 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index ca6b2b31799..1812dac8c49 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -16,6 +16,30 @@
 #include <linux/compiler.h>
 #include <linux/kmemtrace.h>
 
+#ifndef ARCH_KMALLOC_MINALIGN
+/*
+ * Enforce a minimum alignment for the kmalloc caches.
+ * Usually, the kmalloc caches are cache_line_size() aligned, except when
+ * DEBUG and FORCED_DEBUG are enabled, then they are BYTES_PER_WORD aligned.
+ * Some archs want to perform DMA into kmalloc caches and need a guaranteed
+ * alignment larger than the alignment of a 64-bit integer.
+ * ARCH_KMALLOC_MINALIGN allows that.
+ * Note that increasing this value may disable some debug features.
+ */
+#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
+#endif
+
+#ifndef ARCH_SLAB_MINALIGN
+/*
+ * Enforce a minimum alignment for all caches.
+ * Intended for archs that get misalignment faults even for BYTES_PER_WORD
+ * aligned buffers. Includes ARCH_KMALLOC_MINALIGN.
+ * If possible: Do not enable this flag for CONFIG_DEBUG_SLAB, it disables
+ * some debug features.
+ */
+#define ARCH_SLAB_MINALIGN 0
+#endif
+
 /*
  * struct kmem_cache
  *
diff --git a/mm/slab.c b/mm/slab.c
index bac0f4fcc21..7401ddc2430 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -144,30 +144,6 @@
 #define	BYTES_PER_WORD		sizeof(void *)
 #define	REDZONE_ALIGN		max(BYTES_PER_WORD, __alignof__(unsigned long long))
 
-#ifndef ARCH_KMALLOC_MINALIGN
-/*
- * Enforce a minimum alignment for the kmalloc caches.
- * Usually, the kmalloc caches are cache_line_size() aligned, except when
- * DEBUG and FORCED_DEBUG are enabled, then they are BYTES_PER_WORD aligned.
- * Some archs want to perform DMA into kmalloc caches and need a guaranteed
- * alignment larger than the alignment of a 64-bit integer.
- * ARCH_KMALLOC_MINALIGN allows that.
- * Note that increasing this value may disable some debug features.
- */
-#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
-#endif
-
-#ifndef ARCH_SLAB_MINALIGN
-/*
- * Enforce a minimum alignment for all caches.
- * Intended for archs that get misalignment faults even for BYTES_PER_WORD
- * aligned buffers. Includes ARCH_KMALLOC_MINALIGN.
- * If possible: Do not enable this flag for CONFIG_DEBUG_SLAB, it disables
- * some debug features.
- */
-#define ARCH_SLAB_MINALIGN 0
-#endif
-
 #ifndef ARCH_KMALLOC_FLAGS
 #define ARCH_KMALLOC_FLAGS SLAB_HWCACHE_ALIGN
 #endif

From bac49ce42a33f53beb7cf04e9a0600879d6265ca Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw2@infradead.org>
Date: Wed, 19 May 2010 12:01:43 +0100
Subject: [PATCH 2241/3638] mm: Move ARCH_SLAB_MINALIGN and
 ARCH_KMALLOC_MINALIGN to <linux/slob_def.h>

Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 include/linux/slob_def.h | 8 ++++++++
 mm/slob.c                | 8 --------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h
index 0ec00b39d00..62667f72c2e 100644
--- a/include/linux/slob_def.h
+++ b/include/linux/slob_def.h
@@ -1,6 +1,14 @@
 #ifndef __LINUX_SLOB_DEF_H
 #define __LINUX_SLOB_DEF_H
 
+#ifndef ARCH_KMALLOC_MINALIGN
+#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long)
+#endif
+
+#ifndef ARCH_SLAB_MINALIGN
+#define ARCH_SLAB_MINALIGN __alignof__(unsigned long)
+#endif
+
 void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
 
 static __always_inline void *kmem_cache_alloc(struct kmem_cache *cachep,
diff --git a/mm/slob.c b/mm/slob.c
index 837ebd64cc3..23631e2bb57 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -467,14 +467,6 @@ out:
  * End of slob allocator proper. Begin kmem_cache_alloc and kmalloc frontend.
  */
 
-#ifndef ARCH_KMALLOC_MINALIGN
-#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long)
-#endif
-
-#ifndef ARCH_SLAB_MINALIGN
-#define ARCH_SLAB_MINALIGN __alignof__(unsigned long)
-#endif
-
 void *__kmalloc_node(size_t size, gfp_t gfp, int node)
 {
 	unsigned int *m;

From 4581ced379736fd76432c754f999d26deb83fbb7 Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw2@infradead.org>
Date: Wed, 19 May 2010 12:02:14 +0100
Subject: [PATCH 2242/3638] mm: Move ARCH_SLAB_MINALIGN and
 ARCH_KMALLOC_MINALIGN to <linux/slub_def.h>

Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 include/linux/slub_def.h | 8 ++++++++
 mm/slub.c                | 8 --------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 0249d4175ba..55695c8d2f8 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -116,6 +116,14 @@ struct kmem_cache {
 
 #define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE)
 
+#ifndef ARCH_KMALLOC_MINALIGN
+#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
+#endif
+
+#ifndef ARCH_SLAB_MINALIGN
+#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
+#endif
+
 /*
  * Maximum kmalloc object size handled by SLUB. Larger object allocations
  * are passed through to the page allocator. The page allocator "fastpath"
diff --git a/mm/slub.c b/mm/slub.c
index d2a54fe71ea..c874c3efac2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -157,14 +157,6 @@
 #define SLUB_MERGE_SAME (SLAB_DEBUG_FREE | SLAB_RECLAIM_ACCOUNT | \
 		SLAB_CACHE_DMA | SLAB_NOTRACK)
 
-#ifndef ARCH_KMALLOC_MINALIGN
-#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
-#endif
-
-#ifndef ARCH_SLAB_MINALIGN
-#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
-#endif
-
 #define OO_SHIFT	16
 #define OO_MASK		((1 << OO_SHIFT) - 1)
 #define MAX_OBJS_PER_PAGE	65535 /* since page.objects is u16 */

From ec49fdbd354cb133340e25ff84d88284bb17e99a Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw2@infradead.org>
Date: Wed, 19 May 2010 12:02:17 +0100
Subject: [PATCH 2243/3638] crypto: Use ARCH_KMALLOC_MINALIGN for
 CRYPTO_MINALIGN now that it's exposed

Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 include/linux/crypto.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 24d2e30f1b4..a6a7a1c83f5 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -99,13 +99,7 @@
  * as arm where pointers are 32-bit aligned but there are data types such as
  * u64 which require 64-bit alignment.
  */
-#if defined(ARCH_KMALLOC_MINALIGN)
 #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN
-#elif defined(ARCH_SLAB_MINALIGN)
-#define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN
-#else
-#define CRYPTO_MINALIGN __alignof__(unsigned long long)
-#endif
 
 #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN)))
 

From a643ce207f3e70030bdb431e2a363cc111a60c1a Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:12 +0800
Subject: [PATCH 2244/3638] ACPI, APEI, APEI supporting infrastructure

APEI stands for ACPI Platform Error Interface, which allows to report
errors (for example from the chipset) to the operating system. This
improves NMI handling especially. In addition it supports error
serialization and error injection.

For more information about APEI, please refer to ACPI Specification
version 4.0, chapter 17.

This patch provides some common functions used by more than one APEI
tables, mainly framework of interpreter for EINJ and ERST.

A machine readable language is defined for EINJ and ERST for OS to
execute, and so to drive the firmware to fulfill the corresponding
functions. The machine language for EINJ and ERST is compatible, so a
common framework is defined for them.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Kconfig              |   2 +
 drivers/acpi/Makefile             |   2 +
 drivers/acpi/apei/Kconfig         |   8 +
 drivers/acpi/apei/Makefile        |   3 +
 drivers/acpi/apei/apei-base.c     | 593 ++++++++++++++++++++++++++++++
 drivers/acpi/apei/apei-internal.h |  95 +++++
 6 files changed, 703 insertions(+)
 create mode 100644 drivers/acpi/apei/Kconfig
 create mode 100644 drivers/acpi/apei/Makefile
 create mode 100644 drivers/acpi/apei/apei-base.c
 create mode 100644 drivers/acpi/apei/apei-internal.h

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 93d2c7971df..191cf2bf408 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -360,4 +360,6 @@ config ACPI_SBS
 	  To compile this driver as a module, choose M here:
 	  the modules will be called sbs and sbshc.
 
+source "drivers/acpi/apei/Kconfig"
+
 endif	# ACPI
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 93251fb599f..d90af7fe8b9 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -67,3 +67,5 @@ processor-y			+= processor_idle.o processor_thermal.o
 processor-$(CONFIG_CPU_FREQ)	+= processor_perflib.o
 
 obj-$(CONFIG_ACPI_PROCESSOR_AGGREGATOR) += acpi_pad.o
+
+obj-$(CONFIG_ACPI_APEI)		+= apei/
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
new file mode 100644
index 00000000000..d61c851533c
--- /dev/null
+++ b/drivers/acpi/apei/Kconfig
@@ -0,0 +1,8 @@
+config ACPI_APEI
+	bool "ACPI Platform Error Interface (APEI)"
+	depends on X86
+	help
+	  APEI allows to report errors (for example from the chipset)
+	  to the operating system. This improves NMI handling
+	  especially. In addition it supports error serialization and
+	  error injection.
diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile
new file mode 100644
index 00000000000..6f41dfca456
--- /dev/null
+++ b/drivers/acpi/apei/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_ACPI_APEI)		+= apei.o
+
+apei-y := apei-base.o
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
new file mode 100644
index 00000000000..db3946e9c66
--- /dev/null
+++ b/drivers/acpi/apei/apei-base.c
@@ -0,0 +1,593 @@
+/*
+ * apei-base.c - ACPI Platform Error Interface (APEI) supporting
+ * infrastructure
+ *
+ * APEI allows to report errors (for example from the chipset) to the
+ * the operating system. This improves NMI handling especially. In
+ * addition it supports error serialization and error injection.
+ *
+ * For more information about APEI, please refer to ACPI Specification
+ * version 4.0, chapter 17.
+ *
+ * This file has Common functions used by more than one APEI table,
+ * including framework of interpreter for ERST and EINJ; resource
+ * management for APEI registers.
+ *
+ * Copyright (C) 2009, Intel Corp.
+ *	Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/io.h>
+#include <linux/kref.h>
+#include <linux/rculist.h>
+#include <linux/interrupt.h>
+#include <linux/debugfs.h>
+#include <acpi/atomicio.h>
+
+#include "apei-internal.h"
+
+#define APEI_PFX "APEI: "
+
+/*
+ * APEI ERST (Error Record Serialization Table) and EINJ (Error
+ * INJection) interpreter framework.
+ */
+
+#define APEI_EXEC_PRESERVE_REGISTER	0x1
+
+void apei_exec_ctx_init(struct apei_exec_context *ctx,
+			struct apei_exec_ins_type *ins_table,
+			u32 instructions,
+			struct acpi_whea_header *action_table,
+			u32 entries)
+{
+	ctx->ins_table = ins_table;
+	ctx->instructions = instructions;
+	ctx->action_table = action_table;
+	ctx->entries = entries;
+}
+EXPORT_SYMBOL_GPL(apei_exec_ctx_init);
+
+int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val)
+{
+	int rc;
+
+	rc = acpi_atomic_read(val, &entry->register_region);
+	if (rc)
+		return rc;
+	*val >>= entry->register_region.bit_offset;
+	*val &= entry->mask;
+
+	return 0;
+}
+
+int apei_exec_read_register(struct apei_exec_context *ctx,
+			    struct acpi_whea_header *entry)
+{
+	int rc;
+	u64 val = 0;
+
+	rc = __apei_exec_read_register(entry, &val);
+	if (rc)
+		return rc;
+	ctx->value = val;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(apei_exec_read_register);
+
+int apei_exec_read_register_value(struct apei_exec_context *ctx,
+				  struct acpi_whea_header *entry)
+{
+	int rc;
+
+	rc = apei_exec_read_register(ctx, entry);
+	if (rc)
+		return rc;
+	ctx->value = (ctx->value == entry->value);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(apei_exec_read_register_value);
+
+int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val)
+{
+	int rc;
+
+	val &= entry->mask;
+	val <<= entry->register_region.bit_offset;
+	if (entry->flags & APEI_EXEC_PRESERVE_REGISTER) {
+		u64 valr = 0;
+		rc = acpi_atomic_read(&valr, &entry->register_region);
+		if (rc)
+			return rc;
+		valr &= ~(entry->mask << entry->register_region.bit_offset);
+		val |= valr;
+	}
+	rc = acpi_atomic_write(val, &entry->register_region);
+
+	return rc;
+}
+
+int apei_exec_write_register(struct apei_exec_context *ctx,
+			     struct acpi_whea_header *entry)
+{
+	return __apei_exec_write_register(entry, ctx->value);
+}
+EXPORT_SYMBOL_GPL(apei_exec_write_register);
+
+int apei_exec_write_register_value(struct apei_exec_context *ctx,
+				   struct acpi_whea_header *entry)
+{
+	int rc;
+
+	ctx->value = entry->value;
+	rc = apei_exec_write_register(ctx, entry);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(apei_exec_write_register_value);
+
+int apei_exec_noop(struct apei_exec_context *ctx,
+		   struct acpi_whea_header *entry)
+{
+	return 0;
+}
+EXPORT_SYMBOL_GPL(apei_exec_noop);
+
+/*
+ * Interpret the specified action. Go through whole action table,
+ * execute all instructions belong to the action.
+ */
+int apei_exec_run(struct apei_exec_context *ctx, u8 action)
+{
+	int rc;
+	u32 i, ip;
+	struct acpi_whea_header *entry;
+	apei_exec_ins_func_t run;
+
+	ctx->ip = 0;
+
+	/*
+	 * "ip" is the instruction pointer of current instruction,
+	 * "ctx->ip" specifies the next instruction to executed,
+	 * instruction "run" function may change the "ctx->ip" to
+	 * implement "goto" semantics.
+	 */
+rewind:
+	ip = 0;
+	for (i = 0; i < ctx->entries; i++) {
+		entry = &ctx->action_table[i];
+		if (entry->action != action)
+			continue;
+		if (ip == ctx->ip) {
+			if (entry->instruction >= ctx->instructions ||
+			    !ctx->ins_table[entry->instruction].run) {
+				pr_warning(FW_WARN APEI_PFX
+			"Invalid action table, unknown instruction type: %d\n",
+					   entry->instruction);
+				return -EINVAL;
+			}
+			run = ctx->ins_table[entry->instruction].run;
+			rc = run(ctx, entry);
+			if (rc < 0)
+				return rc;
+			else if (rc != APEI_EXEC_SET_IP)
+				ctx->ip++;
+		}
+		ip++;
+		if (ctx->ip < ip)
+			goto rewind;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(apei_exec_run);
+
+typedef int (*apei_exec_entry_func_t)(struct apei_exec_context *ctx,
+				      struct acpi_whea_header *entry,
+				      void *data);
+
+static int apei_exec_for_each_entry(struct apei_exec_context *ctx,
+				    apei_exec_entry_func_t func,
+				    void *data,
+				    int *end)
+{
+	u8 ins;
+	int i, rc;
+	struct acpi_whea_header *entry;
+	struct apei_exec_ins_type *ins_table = ctx->ins_table;
+
+	for (i = 0; i < ctx->entries; i++) {
+		entry = ctx->action_table + i;
+		ins = entry->instruction;
+		if (end)
+			*end = i;
+		if (ins >= ctx->instructions || !ins_table[ins].run) {
+			pr_warning(FW_WARN APEI_PFX
+			"Invalid action table, unknown instruction type: %d\n",
+				   ins);
+			return -EINVAL;
+		}
+		rc = func(ctx, entry, data);
+		if (rc)
+			return rc;
+	}
+
+	return 0;
+}
+
+static int pre_map_gar_callback(struct apei_exec_context *ctx,
+				struct acpi_whea_header *entry,
+				void *data)
+{
+	u8 ins = entry->instruction;
+
+	if (ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER)
+		return acpi_pre_map_gar(&entry->register_region);
+
+	return 0;
+}
+
+/*
+ * Pre-map all GARs in action table to make it possible to access them
+ * in NMI handler.
+ */
+int apei_exec_pre_map_gars(struct apei_exec_context *ctx)
+{
+	int rc, end;
+
+	rc = apei_exec_for_each_entry(ctx, pre_map_gar_callback,
+				      NULL, &end);
+	if (rc) {
+		struct apei_exec_context ctx_unmap;
+		memcpy(&ctx_unmap, ctx, sizeof(*ctx));
+		ctx_unmap.entries = end;
+		apei_exec_post_unmap_gars(&ctx_unmap);
+	}
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(apei_exec_pre_map_gars);
+
+static int post_unmap_gar_callback(struct apei_exec_context *ctx,
+				   struct acpi_whea_header *entry,
+				   void *data)
+{
+	u8 ins = entry->instruction;
+
+	if (ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER)
+		acpi_post_unmap_gar(&entry->register_region);
+
+	return 0;
+}
+
+/* Post-unmap all GAR in action table. */
+int apei_exec_post_unmap_gars(struct apei_exec_context *ctx)
+{
+	return apei_exec_for_each_entry(ctx, post_unmap_gar_callback,
+					NULL, NULL);
+}
+EXPORT_SYMBOL_GPL(apei_exec_post_unmap_gars);
+
+/*
+ * Resource management for GARs in APEI
+ */
+struct apei_res {
+	struct list_head list;
+	unsigned long start;
+	unsigned long end;
+};
+
+/* Collect all resources requested, to avoid conflict */
+struct apei_resources apei_resources_all = {
+	.iomem = LIST_HEAD_INIT(apei_resources_all.iomem),
+	.ioport = LIST_HEAD_INIT(apei_resources_all.ioport),
+};
+
+static int apei_res_add(struct list_head *res_list,
+			unsigned long start, unsigned long size)
+{
+	struct apei_res *res, *resn, *res_ins = NULL;
+	unsigned long end = start + size;
+
+	if (end <= start)
+		return 0;
+repeat:
+	list_for_each_entry_safe(res, resn, res_list, list) {
+		if (res->start > end || res->end < start)
+			continue;
+		else if (end <= res->end && start >= res->start) {
+			kfree(res_ins);
+			return 0;
+		}
+		list_del(&res->list);
+		res->start = start = min(res->start, start);
+		res->end = end = max(res->end, end);
+		kfree(res_ins);
+		res_ins = res;
+		goto repeat;
+	}
+
+	if (res_ins)
+		list_add(&res_ins->list, res_list);
+	else {
+		res_ins = kmalloc(sizeof(*res), GFP_KERNEL);
+		if (!res_ins)
+			return -ENOMEM;
+		res_ins->start = start;
+		res_ins->end = end;
+		list_add(&res_ins->list, res_list);
+	}
+
+	return 0;
+}
+
+static int apei_res_sub(struct list_head *res_list1,
+			struct list_head *res_list2)
+{
+	struct apei_res *res1, *resn1, *res2, *res;
+	res1 = list_entry(res_list1->next, struct apei_res, list);
+	resn1 = list_entry(res1->list.next, struct apei_res, list);
+	while (&res1->list != res_list1) {
+		list_for_each_entry(res2, res_list2, list) {
+			if (res1->start >= res2->end ||
+			    res1->end <= res2->start)
+				continue;
+			else if (res1->end <= res2->end &&
+				 res1->start >= res2->start) {
+				list_del(&res1->list);
+				kfree(res1);
+				break;
+			} else if (res1->end > res2->end &&
+				   res1->start < res2->start) {
+				res = kmalloc(sizeof(*res), GFP_KERNEL);
+				if (!res)
+					return -ENOMEM;
+				res->start = res2->end;
+				res->end = res1->end;
+				res1->end = res2->start;
+				list_add(&res->list, &res1->list);
+				resn1 = res;
+			} else {
+				if (res1->start < res2->start)
+					res1->end = res2->start;
+				else
+					res1->start = res2->end;
+			}
+		}
+		res1 = resn1;
+		resn1 = list_entry(resn1->list.next, struct apei_res, list);
+	}
+
+	return 0;
+}
+
+static void apei_res_clean(struct list_head *res_list)
+{
+	struct apei_res *res, *resn;
+
+	list_for_each_entry_safe(res, resn, res_list, list) {
+		list_del(&res->list);
+		kfree(res);
+	}
+}
+
+void apei_resources_fini(struct apei_resources *resources)
+{
+	apei_res_clean(&resources->iomem);
+	apei_res_clean(&resources->ioport);
+}
+EXPORT_SYMBOL_GPL(apei_resources_fini);
+
+static int apei_resources_merge(struct apei_resources *resources1,
+				struct apei_resources *resources2)
+{
+	int rc;
+	struct apei_res *res;
+
+	list_for_each_entry(res, &resources2->iomem, list) {
+		rc = apei_res_add(&resources1->iomem, res->start,
+				  res->end - res->start);
+		if (rc)
+			return rc;
+	}
+	list_for_each_entry(res, &resources2->ioport, list) {
+		rc = apei_res_add(&resources1->ioport, res->start,
+				  res->end - res->start);
+		if (rc)
+			return rc;
+	}
+
+	return 0;
+}
+
+/*
+ * EINJ has two groups of GARs (EINJ table entry and trigger table
+ * entry), so common resources are subtracted from the trigger table
+ * resources before the second requesting.
+ */
+int apei_resources_sub(struct apei_resources *resources1,
+		       struct apei_resources *resources2)
+{
+	int rc;
+
+	rc = apei_res_sub(&resources1->iomem, &resources2->iomem);
+	if (rc)
+		return rc;
+	return apei_res_sub(&resources1->ioport, &resources2->ioport);
+}
+EXPORT_SYMBOL_GPL(apei_resources_sub);
+
+/*
+ * IO memory/port rersource management mechanism is used to check
+ * whether memory/port area used by GARs conflicts with normal memory
+ * or IO memory/port of devices.
+ */
+int apei_resources_request(struct apei_resources *resources,
+			   const char *desc)
+{
+	struct apei_res *res, *res_bak;
+	struct resource *r;
+
+	apei_resources_sub(resources, &apei_resources_all);
+
+	list_for_each_entry(res, &resources->iomem, list) {
+		r = request_mem_region(res->start, res->end - res->start,
+				       desc);
+		if (!r) {
+			pr_err(APEI_PFX
+		"Can not request iomem region <%016llx-%016llx> for GARs.\n",
+			       (unsigned long long)res->start,
+			       (unsigned long long)res->end);
+			res_bak = res;
+			goto err_unmap_iomem;
+		}
+	}
+
+	list_for_each_entry(res, &resources->ioport, list) {
+		r = request_region(res->start, res->end - res->start, desc);
+		if (!r) {
+			pr_err(APEI_PFX
+		"Can not request ioport region <%016llx-%016llx> for GARs.\n",
+			       (unsigned long long)res->start,
+			       (unsigned long long)res->end);
+			res_bak = res;
+			goto err_unmap_ioport;
+		}
+	}
+
+	apei_resources_merge(&apei_resources_all, resources);
+
+	return 0;
+err_unmap_ioport:
+	list_for_each_entry(res, &resources->ioport, list) {
+		if (res == res_bak)
+			break;
+		release_mem_region(res->start, res->end - res->start);
+	}
+	res_bak = NULL;
+err_unmap_iomem:
+	list_for_each_entry(res, &resources->iomem, list) {
+		if (res == res_bak)
+			break;
+		release_region(res->start, res->end - res->start);
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(apei_resources_request);
+
+void apei_resources_release(struct apei_resources *resources)
+{
+	struct apei_res *res;
+
+	list_for_each_entry(res, &resources->iomem, list)
+		release_mem_region(res->start, res->end - res->start);
+	list_for_each_entry(res, &resources->ioport, list)
+		release_region(res->start, res->end - res->start);
+
+	apei_resources_sub(&apei_resources_all, resources);
+}
+EXPORT_SYMBOL_GPL(apei_resources_release);
+
+static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr)
+{
+	u32 width, space_id;
+
+	width = reg->bit_width;
+	space_id = reg->space_id;
+	/* Handle possible alignment issues */
+	memcpy(paddr, &reg->address, sizeof(*paddr));
+	if (!*paddr) {
+		pr_warning(FW_BUG APEI_PFX
+			   "Invalid physical address in GAR [0x%llx/%u/%u]\n",
+			   *paddr, width, space_id);
+		return -EINVAL;
+	}
+
+	if ((width != 8) && (width != 16) && (width != 32) && (width != 64)) {
+		pr_warning(FW_BUG APEI_PFX
+			   "Invalid bit width in GAR [0x%llx/%u/%u]\n",
+			   *paddr, width, space_id);
+		return -EINVAL;
+	}
+
+	if (space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY &&
+	    space_id != ACPI_ADR_SPACE_SYSTEM_IO) {
+		pr_warning(FW_BUG APEI_PFX
+			   "Invalid address space type in GAR [0x%llx/%u/%u]\n",
+			   *paddr, width, space_id);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int collect_res_callback(struct apei_exec_context *ctx,
+				struct acpi_whea_header *entry,
+				void *data)
+{
+	struct apei_resources *resources = data;
+	struct acpi_generic_address *reg = &entry->register_region;
+	u8 ins = entry->instruction;
+	u64 paddr;
+	int rc;
+
+	if (!(ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER))
+		return 0;
+
+	rc = apei_check_gar(reg, &paddr);
+	if (rc)
+		return rc;
+
+	switch (reg->space_id) {
+	case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+		return apei_res_add(&resources->iomem, paddr,
+				    reg->bit_width / 8);
+	case ACPI_ADR_SPACE_SYSTEM_IO:
+		return apei_res_add(&resources->ioport, paddr,
+				    reg->bit_width / 8);
+	default:
+		return -EINVAL;
+	}
+}
+
+/*
+ * Same register may be used by multiple instructions in GARs, so
+ * resources are collected before requesting.
+ */
+int apei_exec_collect_resources(struct apei_exec_context *ctx,
+				struct apei_resources *resources)
+{
+	return apei_exec_for_each_entry(ctx, collect_res_callback,
+					resources, NULL);
+}
+EXPORT_SYMBOL_GPL(apei_exec_collect_resources);
+
+struct dentry *apei_get_debugfs_dir(void)
+{
+	static struct dentry *dapei;
+
+	if (!dapei)
+		dapei = debugfs_create_dir("apei", NULL);
+
+	return dapei;
+}
+EXPORT_SYMBOL_GPL(apei_get_debugfs_dir);
diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
new file mode 100644
index 00000000000..86e041a42c4
--- /dev/null
+++ b/drivers/acpi/apei/apei-internal.h
@@ -0,0 +1,95 @@
+/*
+ * apei-internal.h - ACPI Platform Error Interface internal
+ * definations.
+ */
+
+#ifndef APEI_INTERNAL_H
+#define APEI_INTERNAL_H
+
+struct apei_exec_context;
+
+typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx,
+				    struct acpi_whea_header *entry);
+
+#define APEI_EXEC_INS_ACCESS_REGISTER	0x0001
+
+struct apei_exec_ins_type {
+	u32 flags;
+	apei_exec_ins_func_t run;
+};
+
+struct apei_exec_context {
+	u32 ip;
+	u64 value;
+	u64 var1;
+	u64 var2;
+	u64 src_base;
+	u64 dst_base;
+	struct apei_exec_ins_type *ins_table;
+	u32 instructions;
+	struct acpi_whea_header *action_table;
+	u32 entries;
+};
+
+void apei_exec_ctx_init(struct apei_exec_context *ctx,
+			struct apei_exec_ins_type *ins_table,
+			u32 instructions,
+			struct acpi_whea_header *action_table,
+			u32 entries);
+
+static inline void apei_exec_ctx_set_input(struct apei_exec_context *ctx,
+					   u64 input)
+{
+	ctx->value = input;
+}
+
+static inline u64 apei_exec_ctx_get_output(struct apei_exec_context *ctx)
+{
+	return ctx->value;
+}
+
+int apei_exec_run(struct apei_exec_context *ctx, u8 action);
+
+/* Common instruction implementation */
+
+/* IP has been set in instruction function */
+#define APEI_EXEC_SET_IP	1
+
+int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val);
+int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val);
+int apei_exec_read_register(struct apei_exec_context *ctx,
+			    struct acpi_whea_header *entry);
+int apei_exec_read_register_value(struct apei_exec_context *ctx,
+				  struct acpi_whea_header *entry);
+int apei_exec_write_register(struct apei_exec_context *ctx,
+			     struct acpi_whea_header *entry);
+int apei_exec_write_register_value(struct apei_exec_context *ctx,
+				   struct acpi_whea_header *entry);
+int apei_exec_noop(struct apei_exec_context *ctx,
+		   struct acpi_whea_header *entry);
+int apei_exec_pre_map_gars(struct apei_exec_context *ctx);
+int apei_exec_post_unmap_gars(struct apei_exec_context *ctx);
+
+struct apei_resources {
+	struct list_head iomem;
+	struct list_head ioport;
+};
+
+static inline void apei_resources_init(struct apei_resources *resources)
+{
+	INIT_LIST_HEAD(&resources->iomem);
+	INIT_LIST_HEAD(&resources->ioport);
+}
+
+void apei_resources_fini(struct apei_resources *resources);
+int apei_resources_sub(struct apei_resources *resources1,
+		       struct apei_resources *resources2);
+int apei_resources_request(struct apei_resources *resources,
+			   const char *desc);
+void apei_resources_release(struct apei_resources *resources);
+int apei_exec_collect_resources(struct apei_exec_context *ctx,
+				struct apei_resources *resources);
+
+struct dentry;
+struct dentry *apei_get_debugfs_dir(void);
+#endif

From 9dc966641677795f4d6b0a9ba630d6a3a3e24a57 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:13 +0800
Subject: [PATCH 2245/3638] ACPI, APEI, HEST table parsing

HEST describes error sources in detail; communicating operational
parameters (i.e. severity levels, masking bits, and threshold values)
to OS as necessary. It also allows the platform to report error
sources for which OS would typically not implement support (for
example, chipset-specific error registers).

HEST information may be needed by other subsystems. For example, HEST
PCIE AER error source information describes whether a PCIE root port
works in "firmware first" mode, this is needed by general PCIE AER
error subsystem. So a public HEST tabling parsing interface is
provided.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/apei/Makefile |   2 +-
 drivers/acpi/apei/hest.c   | 173 +++++++++++++++++++++++++++++++++++++
 include/acpi/apei.h        |  13 +++
 3 files changed, 187 insertions(+), 1 deletion(-)
 create mode 100644 drivers/acpi/apei/hest.c
 create mode 100644 include/acpi/apei.h

diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile
index 6f41dfca456..a8832929835 100644
--- a/drivers/acpi/apei/Makefile
+++ b/drivers/acpi/apei/Makefile
@@ -1,3 +1,3 @@
 obj-$(CONFIG_ACPI_APEI)		+= apei.o
 
-apei-y := apei-base.o
+apei-y := apei-base.o hest.o
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
new file mode 100644
index 00000000000..e7f40d362cb
--- /dev/null
+++ b/drivers/acpi/apei/hest.c
@@ -0,0 +1,173 @@
+/*
+ * APEI Hardware Error Souce Table support
+ *
+ * HEST describes error sources in detail; communicates operational
+ * parameters (i.e. severity levels, masking bits, and threshold
+ * values) to Linux as necessary. It also allows the BIOS to report
+ * non-standard error sources to Linux (for example, chipset-specific
+ * error registers).
+ *
+ * For more information about HEST, please refer to ACPI Specification
+ * version 4.0, section 17.3.2.
+ *
+ * Copyright 2009 Intel Corp.
+ *   Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/kdebug.h>
+#include <linux/highmem.h>
+#include <linux/io.h>
+#include <acpi/apei.h>
+
+#include "apei-internal.h"
+
+#define HEST_PFX "HEST: "
+
+int hest_disable;
+EXPORT_SYMBOL_GPL(hest_disable);
+
+/* HEST table parsing */
+
+static struct acpi_table_hest *hest_tab;
+
+static int hest_void_parse(struct acpi_hest_header *hest_hdr, void *data)
+{
+	return 0;
+}
+
+static int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
+	[ACPI_HEST_TYPE_IA32_CHECK] = -1,	/* need further calculation */
+	[ACPI_HEST_TYPE_IA32_CORRECTED_CHECK] = -1,
+	[ACPI_HEST_TYPE_IA32_NMI] = sizeof(struct acpi_hest_ia_nmi),
+	[ACPI_HEST_TYPE_AER_ROOT_PORT] = sizeof(struct acpi_hest_aer_root),
+	[ACPI_HEST_TYPE_AER_ENDPOINT] = sizeof(struct acpi_hest_aer),
+	[ACPI_HEST_TYPE_AER_BRIDGE] = sizeof(struct acpi_hest_aer_bridge),
+	[ACPI_HEST_TYPE_GENERIC_ERROR] = sizeof(struct acpi_hest_generic),
+};
+
+static int hest_esrc_len(struct acpi_hest_header *hest_hdr)
+{
+	u16 hest_type = hest_hdr->type;
+	int len;
+
+	if (hest_type >= ACPI_HEST_TYPE_RESERVED)
+		return 0;
+
+	len = hest_esrc_len_tab[hest_type];
+
+	if (hest_type == ACPI_HEST_TYPE_IA32_CORRECTED_CHECK) {
+		struct acpi_hest_ia_corrected *cmc;
+		cmc = (struct acpi_hest_ia_corrected *)hest_hdr;
+		len = sizeof(*cmc) + cmc->num_hardware_banks *
+			sizeof(struct acpi_hest_ia_error_bank);
+	} else if (hest_type == ACPI_HEST_TYPE_IA32_CHECK) {
+		struct acpi_hest_ia_machine_check *mc;
+		mc = (struct acpi_hest_ia_machine_check *)hest_hdr;
+		len = sizeof(*mc) + mc->num_hardware_banks *
+			sizeof(struct acpi_hest_ia_error_bank);
+	}
+	BUG_ON(len == -1);
+
+	return len;
+};
+
+int apei_hest_parse(apei_hest_func_t func, void *data)
+{
+	struct acpi_hest_header *hest_hdr;
+	int i, rc, len;
+
+	if (hest_disable)
+		return -EINVAL;
+
+	hest_hdr = (struct acpi_hest_header *)(hest_tab + 1);
+	for (i = 0; i < hest_tab->error_source_count; i++) {
+		len = hest_esrc_len(hest_hdr);
+		if (!len) {
+			pr_warning(FW_WARN HEST_PFX
+				   "Unknown or unused hardware error source "
+				   "type: %d for hardware error source: %d.\n",
+				   hest_hdr->type, hest_hdr->source_id);
+			return -EINVAL;
+		}
+		if ((void *)hest_hdr + len >
+		    (void *)hest_tab + hest_tab->header.length) {
+			pr_warning(FW_BUG HEST_PFX
+		"Table contents overflow for hardware error source: %d.\n",
+				hest_hdr->source_id);
+			return -EINVAL;
+		}
+
+		rc = func(hest_hdr, data);
+		if (rc)
+			return rc;
+
+		hest_hdr = (void *)hest_hdr + len;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(apei_hest_parse);
+
+static int __init setup_hest_disable(char *str)
+{
+	hest_disable = 1;
+	return 0;
+}
+
+__setup("hest_disable", setup_hest_disable);
+
+static int __init hest_init(void)
+{
+	acpi_status status;
+	int rc = -ENODEV;
+
+	if (acpi_disabled)
+		goto err;
+
+	if (hest_disable) {
+		pr_info(HEST_PFX "HEST tabling parsing is disabled.\n");
+		goto err;
+	}
+
+	status = acpi_get_table(ACPI_SIG_HEST, 0,
+				(struct acpi_table_header **)&hest_tab);
+	if (status == AE_NOT_FOUND) {
+		pr_info(HEST_PFX "Table is not found!\n");
+		goto err;
+	} else if (ACPI_FAILURE(status)) {
+		const char *msg = acpi_format_exception(status);
+		pr_err(HEST_PFX "Failed to get table, %s\n", msg);
+		rc = -EINVAL;
+		goto err;
+	}
+
+	rc = apei_hest_parse(hest_void_parse, NULL);
+	if (rc)
+		goto err;
+
+	pr_info(HEST_PFX "HEST table parsing is initialized.\n");
+
+	return 0;
+err:
+	hest_disable = 1;
+	return rc;
+}
+
+subsys_initcall(hest_init);
diff --git a/include/acpi/apei.h b/include/acpi/apei.h
new file mode 100644
index 00000000000..631a1ad2d10
--- /dev/null
+++ b/include/acpi/apei.h
@@ -0,0 +1,13 @@
+/*
+ * apei.h - ACPI Platform Error Interface
+ */
+
+#ifndef ACPI_APEI_H
+#define ACPI_APEI_H
+
+extern int hest_disable;
+
+typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data);
+int apei_hest_parse(apei_hest_func_t func, void *data);
+
+#endif

From e40213450b53157967a1f83eda50e9a941c13a08 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:14 +0800
Subject: [PATCH 2246/3638] ACPI, APEI, EINJ support

EINJ provides a hardware error injection mechanism, this is useful for
debugging and testing of other APEI and RAS features.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/apei/Kconfig  |   8 +
 drivers/acpi/apei/Makefile |   1 +
 drivers/acpi/apei/einj.c   | 486 +++++++++++++++++++++++++++++++++++++
 3 files changed, 495 insertions(+)
 create mode 100644 drivers/acpi/apei/einj.c

diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index d61c851533c..5f0a41c2bc6 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -6,3 +6,11 @@ config ACPI_APEI
 	  to the operating system. This improves NMI handling
 	  especially. In addition it supports error serialization and
 	  error injection.
+
+config ACPI_APEI_EINJ
+	tristate "APEI Error INJection (EINJ)"
+	depends on ACPI_APEI && DEBUG_FS
+	help
+	  EINJ provides a hardware error injection mechanism, it is
+	  mainly used for debugging and testing the other parts of
+	  APEI and some other RAS features.
diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile
index a8832929835..fea86a9c3c2 100644
--- a/drivers/acpi/apei/Makefile
+++ b/drivers/acpi/apei/Makefile
@@ -1,3 +1,4 @@
 obj-$(CONFIG_ACPI_APEI)		+= apei.o
+obj-$(CONFIG_ACPI_APEI_EINJ)	+= einj.o
 
 apei-y := apei-base.o hest.o
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
new file mode 100644
index 00000000000..4ccebd8f930
--- /dev/null
+++ b/drivers/acpi/apei/einj.c
@@ -0,0 +1,486 @@
+/*
+ * APEI Error INJection support
+ *
+ * EINJ provides a hardware error injection mechanism, this is useful
+ * for debugging and testing of other APEI and RAS features.
+ *
+ * For more information about EINJ, please refer to ACPI Specification
+ * version 4.0, section 17.5.
+ *
+ * Copyright 2009 Intel Corp.
+ *   Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/nmi.h>
+#include <linux/delay.h>
+#include <acpi/acpi.h>
+
+#include "apei-internal.h"
+
+#define EINJ_PFX "EINJ: "
+
+#define SPIN_UNIT		100			/* 100ns */
+/* Firmware should respond within 1 miliseconds */
+#define FIRMWARE_TIMEOUT	(1 * NSEC_PER_MSEC)
+
+#define EINJ_OP_BUSY			0x1
+#define EINJ_STATUS_SUCCESS		0x0
+#define EINJ_STATUS_FAIL		0x1
+#define EINJ_STATUS_INVAL		0x2
+
+#define EINJ_TAB_ENTRY(tab)						\
+	((struct acpi_whea_header *)((char *)(tab) +			\
+				    sizeof(struct acpi_table_einj)))
+
+static struct acpi_table_einj *einj_tab;
+
+static struct apei_resources einj_resources;
+
+static struct apei_exec_ins_type einj_ins_type[] = {
+	[ACPI_EINJ_READ_REGISTER] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run   = apei_exec_read_register,
+	},
+	[ACPI_EINJ_READ_REGISTER_VALUE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run   = apei_exec_read_register_value,
+	},
+	[ACPI_EINJ_WRITE_REGISTER] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run   = apei_exec_write_register,
+	},
+	[ACPI_EINJ_WRITE_REGISTER_VALUE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run   = apei_exec_write_register_value,
+	},
+	[ACPI_EINJ_NOOP] = {
+		.flags = 0,
+		.run   = apei_exec_noop,
+	},
+};
+
+/*
+ * Prevent EINJ interpreter to run simultaneously, because the
+ * corresponding firmware implementation may not work properly when
+ * invoked simultaneously.
+ */
+static DEFINE_MUTEX(einj_mutex);
+
+static void einj_exec_ctx_init(struct apei_exec_context *ctx)
+{
+	apei_exec_ctx_init(ctx, einj_ins_type, ARRAY_SIZE(einj_ins_type),
+			   EINJ_TAB_ENTRY(einj_tab), einj_tab->entries);
+}
+
+static int __einj_get_available_error_type(u32 *type)
+{
+	struct apei_exec_context ctx;
+	int rc;
+
+	einj_exec_ctx_init(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_EINJ_GET_ERROR_TYPE);
+	if (rc)
+		return rc;
+	*type = apei_exec_ctx_get_output(&ctx);
+
+	return 0;
+}
+
+/* Get error injection capabilities of the platform */
+static int einj_get_available_error_type(u32 *type)
+{
+	int rc;
+
+	mutex_lock(&einj_mutex);
+	rc = __einj_get_available_error_type(type);
+	mutex_unlock(&einj_mutex);
+
+	return rc;
+}
+
+static int einj_timedout(u64 *t)
+{
+	if ((s64)*t < SPIN_UNIT) {
+		pr_warning(FW_WARN EINJ_PFX
+			   "Firmware does not respond in time\n");
+		return 1;
+	}
+	*t -= SPIN_UNIT;
+	ndelay(SPIN_UNIT);
+	touch_nmi_watchdog();
+	return 0;
+}
+
+/* do sanity check to trigger table */
+static int einj_check_trigger_header(struct acpi_einj_trigger *trigger_tab)
+{
+	if (trigger_tab->header_size != sizeof(struct acpi_einj_trigger))
+		return -EINVAL;
+	if (trigger_tab->table_size > PAGE_SIZE ||
+	    trigger_tab->table_size <= trigger_tab->header_size)
+		return -EINVAL;
+	if (trigger_tab->entry_count !=
+	    (trigger_tab->table_size - trigger_tab->header_size) /
+	    sizeof(struct acpi_einj_entry))
+		return -EINVAL;
+
+	return 0;
+}
+
+/* Execute instructions in trigger error action table */
+static int __einj_error_trigger(u64 trigger_paddr)
+{
+	struct acpi_einj_trigger *trigger_tab = NULL;
+	struct apei_exec_context trigger_ctx;
+	struct apei_resources trigger_resources;
+	struct acpi_whea_header *trigger_entry;
+	struct resource *r;
+	u32 table_size;
+	int rc = -EIO;
+
+	r = request_mem_region(trigger_paddr, sizeof(*trigger_tab),
+			       "APEI EINJ Trigger Table");
+	if (!r) {
+		pr_err(EINJ_PFX
+	"Can not request iomem region <%016llx-%016llx> for Trigger table.\n",
+		       (unsigned long long)trigger_paddr,
+		       (unsigned long long)trigger_paddr+sizeof(*trigger_tab));
+		goto out;
+	}
+	trigger_tab = ioremap_cache(trigger_paddr, sizeof(*trigger_tab));
+	if (!trigger_tab) {
+		pr_err(EINJ_PFX "Failed to map trigger table!\n");
+		goto out_rel_header;
+	}
+	rc = einj_check_trigger_header(trigger_tab);
+	if (rc) {
+		pr_warning(FW_BUG EINJ_PFX
+			   "The trigger error action table is invalid\n");
+		goto out_rel_header;
+	}
+	rc = -EIO;
+	table_size = trigger_tab->table_size;
+	r = request_mem_region(trigger_paddr + sizeof(*trigger_tab),
+			       table_size - sizeof(*trigger_tab),
+			       "APEI EINJ Trigger Table");
+	if (!r) {
+		pr_err(EINJ_PFX
+"Can not request iomem region <%016llx-%016llx> for Trigger Table Entry.\n",
+		       (unsigned long long)trigger_paddr+sizeof(*trigger_tab),
+		       (unsigned long long)trigger_paddr + table_size);
+		goto out_rel_header;
+	}
+	iounmap(trigger_tab);
+	trigger_tab = ioremap_cache(trigger_paddr, table_size);
+	if (!trigger_tab) {
+		pr_err(EINJ_PFX "Failed to map trigger table!\n");
+		goto out_rel_entry;
+	}
+	trigger_entry = (struct acpi_whea_header *)
+		((char *)trigger_tab + sizeof(struct acpi_einj_trigger));
+	apei_resources_init(&trigger_resources);
+	apei_exec_ctx_init(&trigger_ctx, einj_ins_type,
+			   ARRAY_SIZE(einj_ins_type),
+			   trigger_entry, trigger_tab->entry_count);
+	rc = apei_exec_collect_resources(&trigger_ctx, &trigger_resources);
+	if (rc)
+		goto out_fini;
+	rc = apei_resources_sub(&trigger_resources, &einj_resources);
+	if (rc)
+		goto out_fini;
+	rc = apei_resources_request(&trigger_resources, "APEI EINJ Trigger");
+	if (rc)
+		goto out_fini;
+	rc = apei_exec_pre_map_gars(&trigger_ctx);
+	if (rc)
+		goto out_release;
+
+	rc = apei_exec_run(&trigger_ctx, ACPI_EINJ_TRIGGER_ERROR);
+
+	apei_exec_post_unmap_gars(&trigger_ctx);
+out_release:
+	apei_resources_release(&trigger_resources);
+out_fini:
+	apei_resources_fini(&trigger_resources);
+out_rel_entry:
+	release_mem_region(trigger_paddr + sizeof(*trigger_tab),
+			   table_size - sizeof(*trigger_tab));
+out_rel_header:
+	release_mem_region(trigger_paddr, sizeof(*trigger_tab));
+out:
+	if (trigger_tab)
+		iounmap(trigger_tab);
+
+	return rc;
+}
+
+static int __einj_error_inject(u32 type)
+{
+	struct apei_exec_context ctx;
+	u64 val, trigger_paddr, timeout = FIRMWARE_TIMEOUT;
+	int rc;
+
+	einj_exec_ctx_init(&ctx);
+
+	rc = apei_exec_run(&ctx, ACPI_EINJ_BEGIN_OPERATION);
+	if (rc)
+		return rc;
+	apei_exec_ctx_set_input(&ctx, type);
+	rc = apei_exec_run(&ctx, ACPI_EINJ_SET_ERROR_TYPE);
+	if (rc)
+		return rc;
+	rc = apei_exec_run(&ctx, ACPI_EINJ_EXECUTE_OPERATION);
+	if (rc)
+		return rc;
+	for (;;) {
+		rc = apei_exec_run(&ctx, ACPI_EINJ_CHECK_BUSY_STATUS);
+		if (rc)
+			return rc;
+		val = apei_exec_ctx_get_output(&ctx);
+		if (!(val & EINJ_OP_BUSY))
+			break;
+		if (einj_timedout(&timeout))
+			return -EIO;
+	}
+	rc = apei_exec_run(&ctx, ACPI_EINJ_GET_COMMAND_STATUS);
+	if (rc)
+		return rc;
+	val = apei_exec_ctx_get_output(&ctx);
+	if (val != EINJ_STATUS_SUCCESS)
+		return -EBUSY;
+
+	rc = apei_exec_run(&ctx, ACPI_EINJ_GET_TRIGGER_TABLE);
+	if (rc)
+		return rc;
+	trigger_paddr = apei_exec_ctx_get_output(&ctx);
+	rc = __einj_error_trigger(trigger_paddr);
+	if (rc)
+		return rc;
+	rc = apei_exec_run(&ctx, ACPI_EINJ_END_OPERATION);
+
+	return rc;
+}
+
+/* Inject the specified hardware error */
+static int einj_error_inject(u32 type)
+{
+	int rc;
+
+	mutex_lock(&einj_mutex);
+	rc = __einj_error_inject(type);
+	mutex_unlock(&einj_mutex);
+
+	return rc;
+}
+
+static u32 error_type;
+static struct dentry *einj_debug_dir;
+
+static int available_error_type_show(struct seq_file *m, void *v)
+{
+	int rc;
+	u32 available_error_type = 0;
+
+	rc = einj_get_available_error_type(&available_error_type);
+	if (rc)
+		return rc;
+	if (available_error_type & 0x0001)
+		seq_printf(m, "0x00000001\tProcessor Correctable\n");
+	if (available_error_type & 0x0002)
+		seq_printf(m, "0x00000002\tProcessor Uncorrectable non-fatal\n");
+	if (available_error_type & 0x0004)
+		seq_printf(m, "0x00000004\tProcessor Uncorrectable fatal\n");
+	if (available_error_type & 0x0008)
+		seq_printf(m, "0x00000008\tMemory Correctable\n");
+	if (available_error_type & 0x0010)
+		seq_printf(m, "0x00000010\tMemory Uncorrectable non-fatal\n");
+	if (available_error_type & 0x0020)
+		seq_printf(m, "0x00000020\tMemory Uncorrectable fatal\n");
+	if (available_error_type & 0x0040)
+		seq_printf(m, "0x00000040\tPCI Express Correctable\n");
+	if (available_error_type & 0x0080)
+		seq_printf(m, "0x00000080\tPCI Express Uncorrectable non-fatal\n");
+	if (available_error_type & 0x0100)
+		seq_printf(m, "0x00000100\tPCI Express Uncorrectable fatal\n");
+	if (available_error_type & 0x0200)
+		seq_printf(m, "0x00000200\tPlatform Correctable\n");
+	if (available_error_type & 0x0400)
+		seq_printf(m, "0x00000400\tPlatform Uncorrectable non-fatal\n");
+	if (available_error_type & 0x0800)
+		seq_printf(m, "0x00000800\tPlatform Uncorrectable fatal\n");
+
+	return 0;
+}
+
+static int available_error_type_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, available_error_type_show, NULL);
+}
+
+static const struct file_operations available_error_type_fops = {
+	.open		= available_error_type_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int error_type_get(void *data, u64 *val)
+{
+	*val = error_type;
+
+	return 0;
+}
+
+static int error_type_set(void *data, u64 val)
+{
+	int rc;
+	u32 available_error_type = 0;
+
+	/* Only one error type can be specified */
+	if (val & (val - 1))
+		return -EINVAL;
+	rc = einj_get_available_error_type(&available_error_type);
+	if (rc)
+		return rc;
+	if (!(val & available_error_type))
+		return -EINVAL;
+	error_type = val;
+
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(error_type_fops, error_type_get,
+			error_type_set, "0x%llx\n");
+
+static int error_inject_set(void *data, u64 val)
+{
+	if (!error_type)
+		return -EINVAL;
+
+	return einj_error_inject(error_type);
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(error_inject_fops, NULL,
+			error_inject_set, "%llu\n");
+
+static int einj_check_table(struct acpi_table_einj *einj_tab)
+{
+	if (einj_tab->header_length != sizeof(struct acpi_table_einj))
+		return -EINVAL;
+	if (einj_tab->header.length < sizeof(struct acpi_table_einj))
+		return -EINVAL;
+	if (einj_tab->entries !=
+	    (einj_tab->header.length - sizeof(struct acpi_table_einj)) /
+	    sizeof(struct acpi_einj_entry))
+		return -EINVAL;
+
+	return 0;
+}
+
+static int __init einj_init(void)
+{
+	int rc;
+	acpi_status status;
+	struct dentry *fentry;
+	struct apei_exec_context ctx;
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	status = acpi_get_table(ACPI_SIG_EINJ, 0,
+				(struct acpi_table_header **)&einj_tab);
+	if (status == AE_NOT_FOUND) {
+		pr_info(EINJ_PFX "Table is not found!\n");
+		return -ENODEV;
+	} else if (ACPI_FAILURE(status)) {
+		const char *msg = acpi_format_exception(status);
+		pr_err(EINJ_PFX "Failed to get table, %s\n", msg);
+		return -EINVAL;
+	}
+
+	rc = einj_check_table(einj_tab);
+	if (rc) {
+		pr_warning(FW_BUG EINJ_PFX "EINJ table is invalid\n");
+		return -EINVAL;
+	}
+
+	rc = -ENOMEM;
+	einj_debug_dir = debugfs_create_dir("einj", apei_get_debugfs_dir());
+	if (!einj_debug_dir)
+		goto err_cleanup;
+	fentry = debugfs_create_file("available_error_type", S_IRUSR,
+				     einj_debug_dir, NULL,
+				     &available_error_type_fops);
+	if (!fentry)
+		goto err_cleanup;
+	fentry = debugfs_create_file("error_type", S_IRUSR | S_IWUSR,
+				     einj_debug_dir, NULL, &error_type_fops);
+	if (!fentry)
+		goto err_cleanup;
+	fentry = debugfs_create_file("error_inject", S_IWUSR,
+				     einj_debug_dir, NULL, &error_inject_fops);
+	if (!fentry)
+		goto err_cleanup;
+
+	apei_resources_init(&einj_resources);
+	einj_exec_ctx_init(&ctx);
+	rc = apei_exec_collect_resources(&ctx, &einj_resources);
+	if (rc)
+		goto err_fini;
+	rc = apei_resources_request(&einj_resources, "APEI EINJ");
+	if (rc)
+		goto err_fini;
+	rc = apei_exec_pre_map_gars(&ctx);
+	if (rc)
+		goto err_release;
+
+	pr_info(EINJ_PFX "Error INJection is initialized.\n");
+
+	return 0;
+
+err_release:
+	apei_resources_release(&einj_resources);
+err_fini:
+	apei_resources_fini(&einj_resources);
+err_cleanup:
+	debugfs_remove_recursive(einj_debug_dir);
+
+	return rc;
+}
+
+static void __exit einj_exit(void)
+{
+	struct apei_exec_context ctx;
+
+	einj_exec_ctx_init(&ctx);
+	apei_exec_post_unmap_gars(&ctx);
+	apei_resources_release(&einj_resources);
+	apei_resources_fini(&einj_resources);
+	debugfs_remove_recursive(einj_debug_dir);
+}
+
+module_init(einj_init);
+module_exit(einj_exit);
+
+MODULE_AUTHOR("Huang Ying");
+MODULE_DESCRIPTION("APEI Error INJection support");
+MODULE_LICENSE("GPL");

From ea8c071cad789b1919355fc7a67182a5c9994e6b Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:15 +0800
Subject: [PATCH 2247/3638] ACPI, APEI, Document for APEI

Add document for APEI, including kernel parameters and EINJ debug file
sytem interface.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/acpi/apei/einj.txt    | 49 +++++++++++++++++++++++++++++
 Documentation/kernel-parameters.txt |  5 +++
 2 files changed, 54 insertions(+)
 create mode 100644 Documentation/acpi/apei/einj.txt

diff --git a/Documentation/acpi/apei/einj.txt b/Documentation/acpi/apei/einj.txt
new file mode 100644
index 00000000000..838b7f0d5e1
--- /dev/null
+++ b/Documentation/acpi/apei/einj.txt
@@ -0,0 +1,49 @@
+			APEI Error INJection
+			~~~~~~~~~~~~~~~~~~~~
+
+EINJ provides a hardware error injection mechanism
+It is very useful for debugging and testing of other APEI and RAS features.
+
+To use EINJ, make sure the following are enabled in your kernel
+configuration:
+
+CONFIG_DEBUG_FS
+CONFIG_ACPI_APEI
+CONFIG_ACPI_APEI_EINJ
+
+The user interface of EINJ is debug file system, under the
+directory apei/einj. The following files are provided.
+
+- available_error_type
+  Reading this file returns the error injection capability of the
+  platform, that is, which error types are supported. The error type
+  definition is as follow, the left field is the error type value, the
+  right field is error description.
+
+    0x00000001	Processor Correctable
+    0x00000002	Processor Uncorrectable non-fatal
+    0x00000004	Processor Uncorrectable fatal
+    0x00000008  Memory Correctable
+    0x00000010  Memory Uncorrectable non-fatal
+    0x00000020  Memory Uncorrectable fatal
+    0x00000040	PCI Express Correctable
+    0x00000080	PCI Express Uncorrectable fatal
+    0x00000100	PCI Express Uncorrectable non-fatal
+    0x00000200	Platform Correctable
+    0x00000400	Platform Uncorrectable non-fatal
+    0x00000800	Platform Uncorrectable fatal
+
+  The format of file contents are as above, except there are only the
+  available error type lines.
+
+- error_type
+  This file is used to set the error type value. The error type value
+  is defined in "available_error_type" description.
+
+- error_inject
+  Write any integer to this file to trigger the error
+  injection. Before this, please specify all necessary error
+  parameters.
+
+For more information about EINJ, please refer to ACPI specification
+version 4.0, section 17.5.
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 839b21b0699..47a0e1ba5e6 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -843,6 +843,11 @@ and is between 256 and 4096 characters. It is defined in the file
 	hd=		[EIDE] (E)IDE hard drive subsystem geometry
 			Format: <cyl>,<head>,<sect>
 
+	hest_disable	[ACPI]
+			Disable Hardware Error Source Table (HEST) support;
+			corresponding firmware-first mode error processing
+			logic will be disabled.
+
 	highmem=nn[KMG]	[KNL,BOOT] forces the highmem zone to have an exact
 			size of <nn>. This works even on boxes that have no
 			highmem otherwise. This also works to reduce highmem

From affb72c3a8984ba55e055b0a0228c3ea1a056758 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:16 +0800
Subject: [PATCH 2248/3638] ACPI, APEI, PCIE AER, use general HEST table
 parsing in AER firmware_first setup

Now, a dedicated HEST tabling parsing code is used for PCIE AER
firmware_first setup. It is rebased on general HEST tabling parsing
code of APEI. The firmware_first setup code is moved from PCI core to
AER driver too, because it is only AER related.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Makefile              |   1 -
 drivers/acpi/hest.c                | 139 -----------------------------
 drivers/pci/pcie/aer/aerdrv.h      |  17 ++++
 drivers/pci/pcie/aer/aerdrv_acpi.c |  77 ++++++++++++++++
 drivers/pci/pcie/aer/aerdrv_core.c |   8 +-
 drivers/pci/probe.c                |   8 --
 include/acpi/acpi_hest.h           |  12 ---
 include/linux/pci.h                |   3 +-
 8 files changed, 100 insertions(+), 165 deletions(-)
 delete mode 100644 drivers/acpi/hest.c
 delete mode 100644 include/acpi/acpi_hest.h

diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index d90af7fe8b9..e7cd919548e 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -20,7 +20,6 @@ obj-y				+= acpi.o \
 # All the builtin files are in the "acpi." module_param namespace.
 acpi-y				+= osl.o utils.o reboot.o
 acpi-y				+= atomicio.o
-acpi-y				+= hest.o
 
 # sleep related files
 acpi-y				+= wakeup.o
diff --git a/drivers/acpi/hest.c b/drivers/acpi/hest.c
deleted file mode 100644
index 1c527a19287..00000000000
--- a/drivers/acpi/hest.c
+++ /dev/null
@@ -1,139 +0,0 @@
-#include <linux/acpi.h>
-#include <linux/pci.h>
-
-#define PREFIX "ACPI: "
-
-static inline unsigned long parse_acpi_hest_ia_machine_check(struct acpi_hest_ia_machine_check *p)
-{
-	return sizeof(*p) +
-		(sizeof(struct acpi_hest_ia_error_bank) * p->num_hardware_banks);
-}
-
-static inline unsigned long parse_acpi_hest_ia_corrected(struct acpi_hest_ia_corrected *p)
-{
-	return sizeof(*p) +
-		(sizeof(struct acpi_hest_ia_error_bank) * p->num_hardware_banks);
-}
-
-static inline unsigned long parse_acpi_hest_ia_nmi(struct acpi_hest_ia_nmi *p)
-{
-	return sizeof(*p);
-}
-
-static inline unsigned long parse_acpi_hest_generic(struct acpi_hest_generic *p)
-{
-	return sizeof(*p);
-}
-
-static inline unsigned int hest_match_pci(struct acpi_hest_aer_common *p, struct pci_dev *pci)
-{
-	return	(0           == pci_domain_nr(pci->bus) &&
-		 p->bus      == pci->bus->number &&
-		 p->device   == PCI_SLOT(pci->devfn) &&
-		 p->function == PCI_FUNC(pci->devfn));
-}
-
-static unsigned long parse_acpi_hest_aer(void *hdr, int type, struct pci_dev *pci, int *firmware_first)
-{
-	struct acpi_hest_aer_common *p = hdr + sizeof(struct acpi_hest_header);
-	unsigned long rc=0;
-	u8 pcie_type = 0;
-	u8 bridge = 0;
-	switch (type) {
-	case ACPI_HEST_TYPE_AER_ROOT_PORT:
-		rc = sizeof(struct acpi_hest_aer_root);
-		pcie_type = PCI_EXP_TYPE_ROOT_PORT;
-		break;
-	case ACPI_HEST_TYPE_AER_ENDPOINT:
-		rc = sizeof(struct acpi_hest_aer);
-		pcie_type = PCI_EXP_TYPE_ENDPOINT;
-		break;
-	case ACPI_HEST_TYPE_AER_BRIDGE:
-		rc = sizeof(struct acpi_hest_aer_bridge);
-		if ((pci->class >> 16) == PCI_BASE_CLASS_BRIDGE)
-			bridge = 1;
-		break;
-	}
-
-	if (p->flags & ACPI_HEST_GLOBAL) {
-		if ((pci->is_pcie && (pci->pcie_type == pcie_type)) || bridge)
-			*firmware_first = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
-	}
-	else
-		if (hest_match_pci(p, pci))
-			*firmware_first = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
-	return rc;
-}
-
-static int acpi_hest_firmware_first(struct acpi_table_header *stdheader, struct pci_dev *pci)
-{
-	struct acpi_table_hest *hest = (struct acpi_table_hest *)stdheader;
-	void *p = (void *)hest + sizeof(*hest); /* defined by the ACPI 4.0 spec */
-	struct acpi_hest_header *hdr = p;
-
-	int i;
-	int firmware_first = 0;
-	static unsigned char printed_unused = 0;
-	static unsigned char printed_reserved = 0;
-
-	for (i=0, hdr=p; p < (((void *)hest) + hest->header.length) && i < hest->error_source_count; i++) {
-		switch (hdr->type) {
-		case ACPI_HEST_TYPE_IA32_CHECK:
-			p += parse_acpi_hest_ia_machine_check(p);
-			break;
-		case ACPI_HEST_TYPE_IA32_CORRECTED_CHECK:
-			p += parse_acpi_hest_ia_corrected(p);
-			break;
-		case ACPI_HEST_TYPE_IA32_NMI:
-			p += parse_acpi_hest_ia_nmi(p);
-			break;
-		/* These three should never appear */
-		case ACPI_HEST_TYPE_NOT_USED3:
-		case ACPI_HEST_TYPE_NOT_USED4:
-		case ACPI_HEST_TYPE_NOT_USED5:
-			if (!printed_unused) {
-				printk(KERN_DEBUG PREFIX
-				       "HEST Error Source list contains an obsolete type (%d).\n", hdr->type);
-				printed_unused = 1;
-			}
-			break;
-		case ACPI_HEST_TYPE_AER_ROOT_PORT:
-		case ACPI_HEST_TYPE_AER_ENDPOINT:
-		case ACPI_HEST_TYPE_AER_BRIDGE:
-			p += parse_acpi_hest_aer(p, hdr->type, pci, &firmware_first);
-			break;
-		case ACPI_HEST_TYPE_GENERIC_ERROR:
-			p += parse_acpi_hest_generic(p);
-			break;
-		/* These should never appear either */
-		case ACPI_HEST_TYPE_RESERVED:
-		default:
-			if (!printed_reserved) {
-				printk(KERN_DEBUG PREFIX
-				       "HEST Error Source list contains a reserved type (%d).\n", hdr->type);
-				printed_reserved = 1;
-			}
-			break;
-		}
-	}
-	return firmware_first;
-}
-
-int acpi_hest_firmware_first_pci(struct pci_dev *pci)
-{
-	acpi_status status = AE_NOT_FOUND;
-	struct acpi_table_header *hest = NULL;
-
-	if (acpi_disabled)
-		return 0;
-
-	status = acpi_get_table(ACPI_SIG_HEST, 1, &hest);
-
-	if (ACPI_SUCCESS(status)) {
-		if (acpi_hest_firmware_first(hest, pci)) {
-			return 1;
-		}
-	}
-	return 0;
-}
-EXPORT_SYMBOL_GPL(acpi_hest_firmware_first_pci);
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index bd833ea3ba4..7182c337aef 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -134,4 +134,21 @@ static inline int aer_osc_setup(struct pcie_device *pciedev)
 }
 #endif
 
+#ifdef CONFIG_ACPI_APEI
+extern int pcie_aer_get_firmware_first(struct pci_dev *pci_dev);
+#else
+static inline int pcie_aer_get_firmware_first(struct pci_dev *pci_dev)
+{
+	if (pci_dev->__aer_firmware_first_valid)
+		return pci_dev->__aer_firmware_first;
+	return 0;
+}
+#endif
+
+static inline void pcie_aer_force_firmware_first(struct pci_dev *pci_dev,
+						 int enable)
+{
+	pci_dev->__aer_firmware_first = !!enable;
+	pci_dev->__aer_firmware_first_valid = 1;
+}
 #endif /* _AERDRV_H_ */
diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c
index 04814087658..f278d7b0d95 100644
--- a/drivers/pci/pcie/aer/aerdrv_acpi.c
+++ b/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -16,6 +16,7 @@
 #include <linux/acpi.h>
 #include <linux/pci-acpi.h>
 #include <linux/delay.h>
+#include <acpi/apei.h>
 #include "aerdrv.h"
 
 /**
@@ -53,3 +54,79 @@ int aer_osc_setup(struct pcie_device *pciedev)
 
 	return 0;
 }
+
+#ifdef CONFIG_ACPI_APEI
+static inline int hest_match_pci(struct acpi_hest_aer_common *p,
+				 struct pci_dev *pci)
+{
+	return	(0           == pci_domain_nr(pci->bus) &&
+		 p->bus      == pci->bus->number &&
+		 p->device   == PCI_SLOT(pci->devfn) &&
+		 p->function == PCI_FUNC(pci->devfn));
+}
+
+struct aer_hest_parse_info {
+	struct pci_dev *pci_dev;
+	int firmware_first;
+};
+
+static int aer_hest_parse(struct acpi_hest_header *hest_hdr, void *data)
+{
+	struct aer_hest_parse_info *info = data;
+	struct acpi_hest_aer_common *p;
+	u8 pcie_type = 0;
+	u8 bridge = 0;
+	int ff = 0;
+
+	switch (hest_hdr->type) {
+	case ACPI_HEST_TYPE_AER_ROOT_PORT:
+		pcie_type = PCI_EXP_TYPE_ROOT_PORT;
+		break;
+	case ACPI_HEST_TYPE_AER_ENDPOINT:
+		pcie_type = PCI_EXP_TYPE_ENDPOINT;
+		break;
+	case ACPI_HEST_TYPE_AER_BRIDGE:
+		if ((info->pci_dev->class >> 16) == PCI_BASE_CLASS_BRIDGE)
+			bridge = 1;
+		break;
+	default:
+		return 0;
+	}
+
+	p = (struct acpi_hest_aer_common *)(hest_hdr + 1);
+	if (p->flags & ACPI_HEST_GLOBAL) {
+		if ((info->pci_dev->is_pcie &&
+		     info->pci_dev->pcie_type == pcie_type) || bridge)
+			ff = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
+	} else
+		if (hest_match_pci(p, info->pci_dev))
+			ff = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
+	info->firmware_first = ff;
+
+	return 0;
+}
+
+static void aer_set_firmware_first(struct pci_dev *pci_dev)
+{
+	int rc;
+	struct aer_hest_parse_info info = {
+		.pci_dev	= pci_dev,
+		.firmware_first	= 0,
+	};
+
+	rc = apei_hest_parse(aer_hest_parse, &info);
+
+	if (rc)
+		pci_dev->__aer_firmware_first = 0;
+	else
+		pci_dev->__aer_firmware_first = info.firmware_first;
+	pci_dev->__aer_firmware_first_valid = 1;
+}
+
+int pcie_aer_get_firmware_first(struct pci_dev *dev)
+{
+	if (!dev->__aer_firmware_first_valid)
+		aer_set_firmware_first(dev);
+	return dev->__aer_firmware_first;
+}
+#endif
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index aceb04b67b6..586b6713e41 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -36,7 +36,7 @@ int pci_enable_pcie_error_reporting(struct pci_dev *dev)
 	u16 reg16 = 0;
 	int pos;
 
-	if (dev->aer_firmware_first)
+	if (pcie_aer_get_firmware_first(dev))
 		return -EIO;
 
 	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
@@ -64,7 +64,7 @@ int pci_disable_pcie_error_reporting(struct pci_dev *dev)
 	u16 reg16 = 0;
 	int pos;
 
-	if (dev->aer_firmware_first)
+	if (pcie_aer_get_firmware_first(dev))
 		return -EIO;
 
 	pos = pci_pcie_cap(dev);
@@ -859,7 +859,7 @@ void aer_delete_rootport(struct aer_rpc *rpc)
  */
 int aer_init(struct pcie_device *dev)
 {
-	if (dev->port->aer_firmware_first) {
+	if (pcie_aer_get_firmware_first(dev->port)) {
 		dev_printk(KERN_DEBUG, &dev->device,
 			   "PCIe errors handled by platform firmware.\n");
 		goto out;
@@ -873,7 +873,7 @@ out:
 	if (forceload) {
 		dev_printk(KERN_DEBUG, &dev->device,
 			   "aerdrv forceload requested.\n");
-		dev->port->aer_firmware_first = 0;
+		pcie_aer_force_firmware_first(dev->port, 0);
 		return 0;
 	}
 	return -ENXIO;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c82548afcd5..f4adba2d1dd 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -10,7 +10,6 @@
 #include <linux/module.h>
 #include <linux/cpumask.h>
 #include <linux/pci-aspm.h>
-#include <acpi/acpi_hest.h>
 #include "pci.h"
 
 #define CARDBUS_LATENCY_TIMER	176	/* secondary latency timer */
@@ -904,12 +903,6 @@ void set_pcie_hotplug_bridge(struct pci_dev *pdev)
 		pdev->is_hotplug_bridge = 1;
 }
 
-static void set_pci_aer_firmware_first(struct pci_dev *pdev)
-{
-	if (acpi_hest_firmware_first_pci(pdev))
-		pdev->aer_firmware_first = 1;
-}
-
 #define LEGACY_IO_RESOURCE	(IORESOURCE_IO | IORESOURCE_PCI_FIXED)
 
 /**
@@ -939,7 +932,6 @@ int pci_setup_device(struct pci_dev *dev)
 	dev->multifunction = !!(hdr_type & 0x80);
 	dev->error_state = pci_channel_io_normal;
 	set_pcie_port_type(dev);
-	set_pci_aer_firmware_first(dev);
 
 	list_for_each_entry(slot, &dev->bus->slots, list)
 		if (PCI_SLOT(dev->devfn) == slot->number)
diff --git a/include/acpi/acpi_hest.h b/include/acpi/acpi_hest.h
deleted file mode 100644
index 63194d03cb2..00000000000
--- a/include/acpi/acpi_hest.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef __ACPI_HEST_H
-#define __ACPI_HEST_H
-
-#include <linux/pci.h>
-
-#ifdef CONFIG_ACPI
-extern int acpi_hest_firmware_first_pci(struct pci_dev *pci);
-#else
-static inline int acpi_hest_firmware_first_pci(struct pci_dev *pci) { return 0; }
-#endif
-
-#endif
diff --git a/include/linux/pci.h b/include/linux/pci.h
index a788fa12ff3..63967e877f2 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -311,7 +311,8 @@ struct pci_dev {
 	unsigned int	is_virtfn:1;
 	unsigned int	reset_fn:1;
 	unsigned int    is_hotplug_bridge:1;
-	unsigned int    aer_firmware_first:1;
+	unsigned int    __aer_firmware_first_valid:1;
+	unsigned int	__aer_firmware_first:1;
 	pci_dev_flags_t dev_flags;
 	atomic_t	enable_cnt;	/* pci_enable_device has been called */
 

From 801eab8118f61255d8e2be35939c572042618742 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:17 +0800
Subject: [PATCH 2249/3638] ACPI Hardware Error Device (PNP0C33) support

Hardware Error Device (PNP0C33) is used to report some hardware errors
notified via SCI, mainly the corrected errors. Some APEI Generic
Hardware Error Source (GHES) may use SCI on hardware error device to
notify hardware error to kernel.

After receiving notification from ACPI core, it is forwarded to all
listeners via a notifier chain. The listener such as APEI GHES should
check corresponding error source for new events when notified.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Kconfig  |   7 +++
 drivers/acpi/Makefile |   1 +
 drivers/acpi/hed.c    | 112 ++++++++++++++++++++++++++++++++++++++++++
 include/acpi/hed.h    |  18 +++++++
 4 files changed, 138 insertions(+)
 create mode 100644 drivers/acpi/hed.c
 create mode 100644 include/acpi/hed.h

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 191cf2bf408..74641151880 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -360,6 +360,13 @@ config ACPI_SBS
 	  To compile this driver as a module, choose M here:
 	  the modules will be called sbs and sbshc.
 
+config ACPI_HED
+	tristate "Hardware Error Device"
+	help
+	  This driver supports the Hardware Error Device (PNP0C33),
+	  which is used to report some hardware errors notified via
+	  SCI, mainly the corrected errors.
+
 source "drivers/acpi/apei/Kconfig"
 
 endif	# ACPI
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index e7cd919548e..6ee33169e1d 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -59,6 +59,7 @@ obj-$(CONFIG_ACPI_BATTERY)	+= battery.o
 obj-$(CONFIG_ACPI_SBS)		+= sbshc.o
 obj-$(CONFIG_ACPI_SBS)		+= sbs.o
 obj-$(CONFIG_ACPI_POWER_METER)	+= power_meter.o
+obj-$(CONFIG_ACPI_HED)		+= hed.o
 
 # processor has its own "processor." module_param namespace
 processor-y			:= processor_driver.o processor_throttling.o
diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c
new file mode 100644
index 00000000000..d0c1967f759
--- /dev/null
+++ b/drivers/acpi/hed.c
@@ -0,0 +1,112 @@
+/*
+ * ACPI Hardware Error Device (PNP0C33) Driver
+ *
+ * Copyright (C) 2010, Intel Corp.
+ *	Author: Huang Ying <ying.huang@intel.com>
+ *
+ * ACPI Hardware Error Device is used to report some hardware errors
+ * notified via SCI, mainly the corrected errors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+#include <acpi/hed.h>
+
+static struct acpi_device_id acpi_hed_ids[] = {
+	{"PNP0C33", 0},
+	{"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, acpi_hed_ids);
+
+static acpi_handle hed_handle;
+
+static BLOCKING_NOTIFIER_HEAD(acpi_hed_notify_list);
+
+int register_acpi_hed_notifier(struct notifier_block *nb)
+{
+	return blocking_notifier_chain_register(&acpi_hed_notify_list, nb);
+}
+EXPORT_SYMBOL_GPL(register_acpi_hed_notifier);
+
+void unregister_acpi_hed_notifier(struct notifier_block *nb)
+{
+	blocking_notifier_chain_unregister(&acpi_hed_notify_list, nb);
+}
+EXPORT_SYMBOL_GPL(unregister_acpi_hed_notifier);
+
+/*
+ * SCI to report hardware error is forwarded to the listeners of HED,
+ * it is used by HEST Generic Hardware Error Source with notify type
+ * SCI.
+ */
+static void acpi_hed_notify(struct acpi_device *device, u32 event)
+{
+	blocking_notifier_call_chain(&acpi_hed_notify_list, 0, NULL);
+}
+
+static int __devinit acpi_hed_add(struct acpi_device *device)
+{
+	/* Only one hardware error device */
+	if (hed_handle)
+		return -EINVAL;
+	hed_handle = device->handle;
+	return 0;
+}
+
+static int __devexit acpi_hed_remove(struct acpi_device *device, int type)
+{
+	hed_handle = NULL;
+	return 0;
+}
+
+static struct acpi_driver acpi_hed_driver = {
+	.name = "hardware_error_device",
+	.class = "hardware_error",
+	.ids = acpi_hed_ids,
+	.ops = {
+		.add = acpi_hed_add,
+		.remove = acpi_hed_remove,
+		.notify = acpi_hed_notify,
+	},
+};
+
+static int __init acpi_hed_init(void)
+{
+	if (acpi_disabled)
+		return -ENODEV;
+
+	if (acpi_bus_register_driver(&acpi_hed_driver) < 0)
+		return -ENODEV;
+
+	return 0;
+}
+
+static void __exit acpi_hed_exit(void)
+{
+	acpi_bus_unregister_driver(&acpi_hed_driver);
+}
+
+module_init(acpi_hed_init);
+module_exit(acpi_hed_exit);
+
+ACPI_MODULE_NAME("hed");
+MODULE_AUTHOR("Huang Ying");
+MODULE_DESCRIPTION("ACPI Hardware Error Device Driver");
+MODULE_LICENSE("GPL");
diff --git a/include/acpi/hed.h b/include/acpi/hed.h
new file mode 100644
index 00000000000..46e1249b70c
--- /dev/null
+++ b/include/acpi/hed.h
@@ -0,0 +1,18 @@
+/*
+ * hed.h - ACPI Hardware Error Device
+ *
+ * Copyright (C) 2009, Intel Corp.
+ *	Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This file is released under the GPLv2.
+ */
+
+#ifndef ACPI_HED_H
+#define ACPI_HED_H
+
+#include <linux/notifier.h>
+
+int register_acpi_hed_notifier(struct notifier_block *nb);
+void unregister_acpi_hed_notifier(struct notifier_block *nb);
+
+#endif

From fab1c23242528771a955c475ef23d99156a71a7f Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:18 +0800
Subject: [PATCH 2250/3638] Unified UUID/GUID definition

There are many different UUID/GUID definitions in kernel, such as that
in EFI, many file systems, some drivers, etc. Every kernel components
need UUID/GUID has its own definition. This patch provides a unified
definition for UUID/GUID.

UUID is defined via typedef. This makes that UUID appears more like a
preliminary type, and makes the data type explicit (comparing with
implicit "u8 uuid[16]").

The binary representation of UUID/GUID can be little-endian (used by
EFI, etc) or big-endian (defined by RFC4122), so both is defined.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/linux/uuid.h | 70 ++++++++++++++++++++++++++++++++++++++++++++
 lib/Makefile         |  2 +-
 lib/uuid.c           | 53 +++++++++++++++++++++++++++++++++
 3 files changed, 124 insertions(+), 1 deletion(-)
 create mode 100644 include/linux/uuid.h
 create mode 100644 lib/uuid.c

diff --git a/include/linux/uuid.h b/include/linux/uuid.h
new file mode 100644
index 00000000000..5b7efbfcee4
--- /dev/null
+++ b/include/linux/uuid.h
@@ -0,0 +1,70 @@
+/*
+ * UUID/GUID definition
+ *
+ * Copyright (C) 2010, Intel Corp.
+ *	Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _LINUX_UUID_H_
+#define _LINUX_UUID_H_
+
+#include <linux/types.h>
+#include <linux/string.h>
+
+typedef struct {
+	__u8 b[16];
+} uuid_le;
+
+typedef struct {
+	__u8 b[16];
+} uuid_be;
+
+#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)		\
+((uuid_le)								\
+{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
+   (b) & 0xff, ((b) >> 8) & 0xff,					\
+   (c) & 0xff, ((c) >> 8) & 0xff,					\
+   (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
+
+#define UUID_BE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)		\
+((uuid_be)								\
+{{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \
+   ((b) >> 8) & 0xff, (b) & 0xff,					\
+   ((c) >> 8) & 0xff, (c) & 0xff,					\
+   (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
+
+#define NULL_UUID_LE							\
+	UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00,	\
+		0x00, 0x00, 0x00, 0x00)
+
+#define NULL_UUID_BE							\
+	UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00,	\
+		0x00, 0x00, 0x00, 0x00)
+
+static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2)
+{
+	return memcmp(&u1, &u2, sizeof(uuid_le));
+}
+
+static inline int uuid_be_cmp(const uuid_be u1, const uuid_be u2)
+{
+	return memcmp(&u1, &u2, sizeof(uuid_be));
+}
+
+extern void uuid_le_gen(uuid_le *u);
+extern void uuid_be_gen(uuid_be *u);
+
+#endif
diff --git a/lib/Makefile b/lib/Makefile
index 0d4015205c6..f3eb6e8766b 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -21,7 +21,7 @@ lib-y	+= kobject.o kref.o klist.o
 
 obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
 	 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
-	 string_helpers.o gcd.o lcm.o list_sort.o
+	 string_helpers.o gcd.o lcm.o list_sort.o uuid.o
 
 ifeq ($(CONFIG_DEBUG_KOBJECT),y)
 CFLAGS_kobject.o += -DDEBUG
diff --git a/lib/uuid.c b/lib/uuid.c
new file mode 100644
index 00000000000..8fadd7cef46
--- /dev/null
+++ b/lib/uuid.c
@@ -0,0 +1,53 @@
+/*
+ * Unified UUID/GUID definition
+ *
+ * Copyright (C) 2009, Intel Corp.
+ *	Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/uuid.h>
+#include <linux/random.h>
+
+static void __uuid_gen_common(__u8 b[16])
+{
+	int i;
+	u32 r;
+
+	for (i = 0; i < 4; i++) {
+		r = random32();
+		memcpy(b + i * 4, &r, 4);
+	}
+	/* reversion 0b10 */
+	b[8] = (b[8] & 0x3F) | 0x80;
+}
+
+void uuid_le_gen(uuid_le *lu)
+{
+	__uuid_gen_common(lu->b);
+	/* version 4 : random generation */
+	lu->b[7] = (lu->b[7] & 0x0F) | 0x40;
+}
+EXPORT_SYMBOL_GPL(uuid_le_gen);
+
+void uuid_be_gen(uuid_be *bu)
+{
+	__uuid_gen_common(bu->b);
+	/* version 4 : random generation */
+	bu->b[6] = (bu->b[6] & 0x0F) | 0x40;
+}
+EXPORT_SYMBOL_GPL(uuid_be_gen);

From 06d65deade9aabba58e0518df86dcd324e86b832 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:19 +0800
Subject: [PATCH 2251/3638] ACPI, APEI, UEFI Common Platform Error Record
 (CPER) header

CPER stands for Common Platform Error Record, it is the hardware error
record format used to describe platform hardware error by various APEI
tables, such as ERST, BERT and HEST etc.

For more information about CPER, please refer to Appendix N of UEFI
Specification version 2.3.

This patch mainly includes the data structure difinition header file
used by other files.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/apei/Makefile        |   2 +-
 drivers/acpi/apei/apei-internal.h |  19 ++
 drivers/acpi/apei/cper.c          |  84 ++++++++
 include/linux/cper.h              | 314 ++++++++++++++++++++++++++++++
 4 files changed, 418 insertions(+), 1 deletion(-)
 create mode 100644 drivers/acpi/apei/cper.c
 create mode 100644 include/linux/cper.h

diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile
index fea86a9c3c2..fef963ec536 100644
--- a/drivers/acpi/apei/Makefile
+++ b/drivers/acpi/apei/Makefile
@@ -1,4 +1,4 @@
 obj-$(CONFIG_ACPI_APEI)		+= apei.o
 obj-$(CONFIG_ACPI_APEI_EINJ)	+= einj.o
 
-apei-y := apei-base.o hest.o
+apei-y := apei-base.o hest.o cper.o
diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
index 86e041a42c4..18df1e94027 100644
--- a/drivers/acpi/apei/apei-internal.h
+++ b/drivers/acpi/apei/apei-internal.h
@@ -6,6 +6,8 @@
 #ifndef APEI_INTERNAL_H
 #define APEI_INTERNAL_H
 
+#include <linux/cper.h>
+
 struct apei_exec_context;
 
 typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx,
@@ -92,4 +94,21 @@ int apei_exec_collect_resources(struct apei_exec_context *ctx,
 
 struct dentry;
 struct dentry *apei_get_debugfs_dir(void);
+
+#define apei_estatus_for_each_section(estatus, section)			\
+	for (section = (struct acpi_hest_generic_data *)(estatus + 1);	\
+	     (void *)section - (void *)estatus < estatus->data_length;	\
+	     section = (void *)(section+1) + section->error_data_length)
+
+static inline u32 apei_estatus_len(struct acpi_hest_generic_status *estatus)
+{
+	if (estatus->raw_data_length)
+		return estatus->raw_data_offset + \
+			estatus->raw_data_length;
+	else
+		return sizeof(*estatus) + estatus->data_length;
+}
+
+int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus);
+int apei_estatus_check(const struct acpi_hest_generic_status *estatus);
 #endif
diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
new file mode 100644
index 00000000000..f4cf2fc4c8c
--- /dev/null
+++ b/drivers/acpi/apei/cper.c
@@ -0,0 +1,84 @@
+/*
+ * UEFI Common Platform Error Record (CPER) support
+ *
+ * Copyright (C) 2010, Intel Corp.
+ *	Author: Huang Ying <ying.huang@intel.com>
+ *
+ * CPER is the format used to describe platform hardware error by
+ * various APEI tables, such as ERST, BERT and HEST etc.
+ *
+ * For more information about CPER, please refer to Appendix N of UEFI
+ * Specification version 2.3.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/time.h>
+#include <linux/cper.h>
+#include <linux/acpi.h>
+
+/*
+ * CPER record ID need to be unique even after reboot, because record
+ * ID is used as index for ERST storage, while CPER records from
+ * multiple boot may co-exist in ERST.
+ */
+u64 cper_next_record_id(void)
+{
+	static atomic64_t seq;
+
+	if (!atomic64_read(&seq))
+		atomic64_set(&seq, ((u64)get_seconds()) << 32);
+
+	return atomic64_inc_return(&seq);
+}
+EXPORT_SYMBOL_GPL(cper_next_record_id);
+
+int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus)
+{
+	if (estatus->data_length &&
+	    estatus->data_length < sizeof(struct acpi_hest_generic_data))
+		return -EINVAL;
+	if (estatus->raw_data_length &&
+	    estatus->raw_data_offset < sizeof(*estatus) + estatus->data_length)
+		return -EINVAL;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(apei_estatus_check_header);
+
+int apei_estatus_check(const struct acpi_hest_generic_status *estatus)
+{
+	struct acpi_hest_generic_data *gdata;
+	unsigned int data_len, gedata_len;
+	int rc;
+
+	rc = apei_estatus_check_header(estatus);
+	if (rc)
+		return rc;
+	data_len = estatus->data_length;
+	gdata = (struct acpi_hest_generic_data *)(estatus + 1);
+	while (data_len > sizeof(*gdata)) {
+		gedata_len = gdata->error_data_length;
+		if (gedata_len > data_len - sizeof(*gdata))
+			return -EINVAL;
+		data_len -= gedata_len + sizeof(*gdata);
+	}
+	if (data_len)
+		return -EINVAL;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(apei_estatus_check);
diff --git a/include/linux/cper.h b/include/linux/cper.h
new file mode 100644
index 00000000000..4b38f905b70
--- /dev/null
+++ b/include/linux/cper.h
@@ -0,0 +1,314 @@
+/*
+ * UEFI Common Platform Error Record
+ *
+ * Copyright (C) 2010, Intel Corp.
+ *	Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef LINUX_CPER_H
+#define LINUX_CPER_H
+
+#include <linux/uuid.h>
+
+/* CPER record signature and the size */
+#define CPER_SIG_RECORD				"CPER"
+#define CPER_SIG_SIZE				4
+/* Used in signature_end field in struct cper_record_header */
+#define CPER_SIG_END				0xffffffff
+
+/*
+ * CPER record header revision, used in revision field in struct
+ * cper_record_header
+ */
+#define CPER_RECORD_REV				0x0100
+
+/*
+ * Severity difinition for error_severity in struct cper_record_header
+ * and section_severity in struct cper_section_descriptor
+ */
+#define CPER_SER_RECOVERABLE			0x0
+#define CPER_SER_FATAL				0x1
+#define CPER_SER_CORRECTED			0x2
+#define CPER_SER_INFORMATIONAL			0x3
+
+/*
+ * Validation bits difinition for validation_bits in struct
+ * cper_record_header. If set, corresponding fields in struct
+ * cper_record_header contain valid information.
+ *
+ * corresponds platform_id
+ */
+#define CPER_VALID_PLATFORM_ID			0x0001
+/* corresponds timestamp */
+#define CPER_VALID_TIMESTAMP			0x0002
+/* corresponds partition_id */
+#define CPER_VALID_PARTITION_ID			0x0004
+
+/*
+ * Notification type used to generate error record, used in
+ * notification_type in struct cper_record_header
+ *
+ * Corrected Machine Check
+ */
+#define CPER_NOTIFY_CMC							\
+	UUID_LE(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4,	\
+		0xEB, 0xD4, 0xF8, 0x90)
+/* Corrected Platform Error */
+#define CPER_NOTIFY_CPE							\
+	UUID_LE(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81,	\
+		0xF2, 0x7E, 0xBE, 0xEE)
+/* Machine Check Exception */
+#define CPER_NOTIFY_MCE							\
+	UUID_LE(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB,	\
+		0xE1, 0x49, 0x13, 0xBB)
+/* PCI Express Error */
+#define CPER_NOTIFY_PCIE						\
+	UUID_LE(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D,	\
+		0xAF, 0x67, 0xC1, 0x04)
+/* INIT Record (for IPF) */
+#define CPER_NOTIFY_INIT						\
+	UUID_LE(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B,	\
+		0xD3, 0x9B, 0xC9, 0x8E)
+/* Non-Maskable Interrupt */
+#define CPER_NOTIFY_NMI							\
+	UUID_LE(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24,	\
+		0x85, 0xD6, 0xE9, 0x8A)
+/* BOOT Error Record */
+#define CPER_NOTIFY_BOOT						\
+	UUID_LE(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62,	\
+		0xD4, 0x64, 0xB3, 0x8F)
+/* DMA Remapping Error */
+#define CPER_NOTIFY_DMAR						\
+	UUID_LE(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E,	\
+		0x72, 0x2D, 0xEB, 0x41)
+
+/*
+ * Flags bits definitions for flags in struct cper_record_header
+ * If set, the error has been recovered
+ */
+#define CPER_HW_ERROR_FLAGS_RECOVERED		0x1
+/* If set, the error is for previous boot */
+#define CPER_HW_ERROR_FLAGS_PREVERR		0x2
+/* If set, the error is injected for testing */
+#define CPER_HW_ERROR_FLAGS_SIMULATED		0x4
+
+/*
+ * CPER section header revision, used in revision field in struct
+ * cper_section_descriptor
+ */
+#define CPER_SEC_REV				0x0100
+
+/*
+ * Validation bits difinition for validation_bits in struct
+ * cper_section_descriptor. If set, corresponding fields in struct
+ * cper_section_descriptor contain valid information.
+ *
+ * corresponds fru_id
+ */
+#define CPER_SEC_VALID_FRU_ID			0x1
+/* corresponds fru_text */
+#define CPER_SEC_VALID_FRU_TEXT			0x2
+
+/*
+ * Flags bits definitions for flags in struct cper_section_descriptor
+ *
+ * If set, the section is associated with the error condition
+ * directly, and should be focused on
+ */
+#define CPER_SEC_PRIMARY			0x0001
+/*
+ * If set, the error was not contained within the processor or memory
+ * hierarchy and the error may have propagated to persistent storage
+ * or network
+ */
+#define CPER_SEC_CONTAINMENT_WARNING		0x0002
+/* If set, the component must be re-initialized or re-enabled prior to use */
+#define CPER_SEC_RESET				0x0004
+/* If set, Linux may choose to discontinue use of the resource */
+#define CPER_SEC_ERROR_THRESHOLD_EXCEEDED	0x0008
+/*
+ * If set, resource could not be queried for error information due to
+ * conflicts with other system software or resources. Some fields of
+ * the section will be invalid
+ */
+#define CPER_SEC_RESOURCE_NOT_ACCESSIBLE	0x0010
+/*
+ * If set, action has been taken to ensure error containment (such as
+ * poisoning data), but the error has not been fully corrected and the
+ * data has not been consumed. Linux may choose to take further
+ * corrective action before the data is consumed
+ */
+#define CPER_SEC_LATENT_ERROR			0x0020
+
+/*
+ * Section type definitions, used in section_type field in struct
+ * cper_section_descriptor
+ *
+ * Processor Generic
+ */
+#define CPER_SEC_PROC_GENERIC						\
+	UUID_LE(0x9876CCAD, 0x47B4, 0x4bdb, 0xB6, 0x5E, 0x16, 0xF1,	\
+		0x93, 0xC4, 0xF3, 0xDB)
+/* Processor Specific: X86/X86_64 */
+#define CPER_SEC_PROC_IA						\
+	UUID_LE(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA,	\
+		0x24, 0x2B, 0x6E, 0x1D)
+/* Processor Specific: IA64 */
+#define CPER_SEC_PROC_IPF						\
+	UUID_LE(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00,	\
+		0x80, 0xC7, 0x3C, 0x88, 0x81)
+/* Platform Memory */
+#define CPER_SEC_PLATFORM_MEM						\
+	UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83,	\
+		0xED, 0x7C, 0x83, 0xB1)
+#define CPER_SEC_PCIE							\
+	UUID_LE(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D,	\
+		0xCB, 0x3C, 0x6F, 0x35)
+/* Firmware Error Record Reference */
+#define CPER_SEC_FW_ERR_REC_REF						\
+	UUID_LE(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72,	\
+		0x9C, 0x8E, 0x69, 0xED)
+/* PCI/PCI-X Bus */
+#define CPER_SEC_PCI_X_BUS						\
+	UUID_LE(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA,	\
+		0xD3, 0xF9, 0xC9, 0xDD)
+/* PCI Component/Device */
+#define CPER_SEC_PCI_DEV						\
+	UUID_LE(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06,	\
+		0x8B, 0x00, 0x13, 0x26)
+#define CPER_SEC_DMAR_GENERIC						\
+	UUID_LE(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62,	\
+		0xDE, 0x3E, 0x2C, 0x64)
+/* Intel VT for Directed I/O specific DMAr */
+#define CPER_SEC_DMAR_VT						\
+	UUID_LE(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE,	\
+		0xDD, 0x93, 0xE8, 0xCF)
+/* IOMMU specific DMAr */
+#define CPER_SEC_DMAR_IOMMU						\
+	UUID_LE(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F,	\
+		0xDF, 0xAA, 0x84, 0xEC)
+
+/*
+ * All tables and structs must be byte-packed to match CPER
+ * specification, since the tables are provided by the system BIOS
+ */
+#pragma pack(1)
+
+struct cper_record_header {
+	char	signature[CPER_SIG_SIZE];	/* must be CPER_SIG_RECORD */
+	__u16	revision;			/* must be CPER_RECORD_REV */
+	__u32	signature_end;			/* must be CPER_SIG_END */
+	__u16	section_count;
+	__u32	error_severity;
+	__u32	validation_bits;
+	__u32	record_length;
+	__u64	timestamp;
+	uuid_le	platform_id;
+	uuid_le	partition_id;
+	uuid_le	creator_id;
+	uuid_le	notification_type;
+	__u64	record_id;
+	__u32	flags;
+	__u64	persistence_information;
+	__u8	reserved[12];			/* must be zero */
+};
+
+struct cper_section_descriptor {
+	__u32	section_offset;		/* Offset in bytes of the
+					 *  section body from the base
+					 *  of the record header */
+	__u32	section_length;
+	__u16	revision;		/* must be CPER_RECORD_REV */
+	__u8	validation_bits;
+	__u8	reserved;		/* must be zero */
+	__u32	flags;
+	uuid_le	section_type;
+	uuid_le	fru_id;
+	__u32	section_severity;
+	__u8	fru_text[20];
+};
+
+/* Generic Processor Error Section */
+struct cper_sec_proc_generic {
+	__u64	validation_bits;
+	__u8	proc_type;
+	__u8	proc_isa;
+	__u8	proc_error_type;
+	__u8	operation;
+	__u8	flags;
+	__u8	level;
+	__u16	reserved;
+	__u64	cpu_version;
+	char	cpu_brand[128];
+	__u64	proc_id;
+	__u64	target_addr;
+	__u64	requestor_id;
+	__u64	responder_id;
+	__u64	ip;
+};
+
+/* IA32/X64 Processor Error Section */
+struct cper_sec_proc_ia {
+	__u64	validation_bits;
+	__u8	lapic_id;
+	__u8	cpuid[48];
+};
+
+/* IA32/X64 Processor Error Infomation Structure */
+struct cper_ia_err_info {
+	uuid_le	err_type;
+	__u64	validation_bits;
+	__u64	check_info;
+	__u64	target_id;
+	__u64	requestor_id;
+	__u64	responder_id;
+	__u64	ip;
+};
+
+/* IA32/X64 Processor Context Information Structure */
+struct cper_ia_proc_ctx {
+	__u16	reg_ctx_type;
+	__u16	reg_arr_size;
+	__u32	msr_addr;
+	__u64	mm_reg_addr;
+};
+
+/* Memory Error Section */
+struct cper_sec_mem_err {
+	__u64	validation_bits;
+	__u64	error_status;
+	__u64	physical_addr;
+	__u64	physical_addr_mask;
+	__u16	node;
+	__u16	card;
+	__u16	module;
+	__u16	bank;
+	__u16	device;
+	__u16	row;
+	__u16	column;
+	__u16	bit_pos;
+	__u64	requestor_id;
+	__u64	responder_id;
+	__u64	target_id;
+	__u8	error_type;
+};
+
+/* Reset to default packing */
+#pragma pack()
+
+u64 cper_next_record_id(void);
+
+#endif

From d334a49113a4a33109fd24e46073280ecd1bea0d Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:20 +0800
Subject: [PATCH 2252/3638] ACPI, APEI, Generic Hardware Error Source memory
 error support

Generic Hardware Error Source provides a way to report platform
hardware errors (such as that from chipset). It works in so called
"Firmware First" mode, that is, hardware errors are reported to
firmware firstly, then reported to Linux by firmware. This way, some
non-standard hardware error registers or non-standard hardware link
can be checked by firmware to produce more valuable hardware error
information for Linux.

Now, only SCI notification type and memory errors are supported. More
notification type and hardware error type will be added later. These
memory errors are reported to user space through /dev/mcelog via
faking a corrected Machine Check, so that the error memory page can be
offlined by /sbin/mcelog if the error count for one page is beyond the
threshold.

On some machines, Machine Check can not report physical address for
some corrected memory errors, but GHES can do that. So this simplified
GHES is implemented firstly.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/include/asm/mce.h            |   8 +
 arch/x86/kernel/cpu/mcheck/Makefile   |   2 +
 arch/x86/kernel/cpu/mcheck/mce-apei.c |  52 ++++
 drivers/acpi/apei/Kconfig             |  14 +
 drivers/acpi/apei/Makefile            |   1 +
 drivers/acpi/apei/ghes.c              | 427 ++++++++++++++++++++++++++
 6 files changed, 504 insertions(+)
 create mode 100644 arch/x86/kernel/cpu/mcheck/mce-apei.c
 create mode 100644 drivers/acpi/apei/ghes.c

diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 6c3fdd631ed..f32a4301c4d 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -225,5 +225,13 @@ extern void mcheck_intel_therm_init(void);
 static inline void mcheck_intel_therm_init(void) { }
 #endif
 
+/*
+ * Used by APEI to report memory error via /dev/mcelog
+ */
+
+struct cper_sec_mem_err;
+extern void apei_mce_report_mem_error(int corrected,
+				      struct cper_sec_mem_err *mem_err);
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_X86_MCE_H */
diff --git a/arch/x86/kernel/cpu/mcheck/Makefile b/arch/x86/kernel/cpu/mcheck/Makefile
index 4ac6d48fe11..bb34b03af25 100644
--- a/arch/x86/kernel/cpu/mcheck/Makefile
+++ b/arch/x86/kernel/cpu/mcheck/Makefile
@@ -7,3 +7,5 @@ obj-$(CONFIG_X86_MCE_THRESHOLD) += threshold.o
 obj-$(CONFIG_X86_MCE_INJECT)	+= mce-inject.o
 
 obj-$(CONFIG_X86_THERMAL_VECTOR) += therm_throt.o
+
+obj-$(CONFIG_ACPI_APEI)		+= mce-apei.o
diff --git a/arch/x86/kernel/cpu/mcheck/mce-apei.c b/arch/x86/kernel/cpu/mcheck/mce-apei.c
new file mode 100644
index 00000000000..4eccd1fadb1
--- /dev/null
+++ b/arch/x86/kernel/cpu/mcheck/mce-apei.c
@@ -0,0 +1,52 @@
+/*
+ * Bridge between MCE and APEI
+ *
+ * On some machine, corrected memory errors are reported via APEI
+ * generic hardware error source (GHES) instead of corrected Machine
+ * Check. These corrected memory errors can be reported to user space
+ * through /dev/mcelog via faking a corrected Machine Check, so that
+ * the error memory page can be offlined by /sbin/mcelog if the error
+ * count for one page is beyond the threshold.
+ *
+ * Copyright 2010 Intel Corp.
+ *   Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/acpi.h>
+#include <linux/cper.h>
+#include <acpi/apei.h>
+#include <asm/mce.h>
+
+#include "mce-internal.h"
+
+void apei_mce_report_mem_error(int corrected, struct cper_sec_mem_err *mem_err)
+{
+	struct mce m;
+
+	/* Only corrected MC is reported */
+	if (!corrected)
+		return;
+
+	mce_setup(&m);
+	m.bank = 1;
+	/* Fake a memory read corrected error with unknown channel */
+	m.status = MCI_STATUS_VAL | MCI_STATUS_EN | MCI_STATUS_ADDRV | 0x9f;
+	m.addr = mem_err->physical_addr;
+	mce_log(&m);
+	mce_notify_irq();
+}
+EXPORT_SYMBOL_GPL(apei_mce_report_mem_error);
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index 5f0a41c2bc6..f8c668f27b5 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -7,6 +7,20 @@ config ACPI_APEI
 	  especially. In addition it supports error serialization and
 	  error injection.
 
+config ACPI_APEI_GHES
+	tristate "APEI Generic Hardware Error Source"
+	depends on ACPI_APEI && X86
+	select ACPI_HED
+	help
+	  Generic Hardware Error Source provides a way to report
+	  platform hardware errors (such as that from chipset). It
+	  works in so called "Firmware First" mode, that is, hardware
+	  errors are reported to firmware firstly, then reported to
+	  Linux by firmware. This way, some non-standard hardware
+	  error registers or non-standard hardware link can be checked
+	  by firmware to produce more valuable hardware error
+	  information for Linux.
+
 config ACPI_APEI_EINJ
 	tristate "APEI Error INJection (EINJ)"
 	depends on ACPI_APEI && DEBUG_FS
diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile
index fef963ec536..41c61db4c51 100644
--- a/drivers/acpi/apei/Makefile
+++ b/drivers/acpi/apei/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_ACPI_APEI)		+= apei.o
+obj-$(CONFIG_ACPI_APEI_GHES)	+= ghes.o
 obj-$(CONFIG_ACPI_APEI_EINJ)	+= einj.o
 
 apei-y := apei-base.o hest.o cper.o
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
new file mode 100644
index 00000000000..fd0cc016a09
--- /dev/null
+++ b/drivers/acpi/apei/ghes.c
@@ -0,0 +1,427 @@
+/*
+ * APEI Generic Hardware Error Source support
+ *
+ * Generic Hardware Error Source provides a way to report platform
+ * hardware errors (such as that from chipset). It works in so called
+ * "Firmware First" mode, that is, hardware errors are reported to
+ * firmware firstly, then reported to Linux by firmware. This way,
+ * some non-standard hardware error registers or non-standard hardware
+ * link can be checked by firmware to produce more hardware error
+ * information for Linux.
+ *
+ * For more information about Generic Hardware Error Source, please
+ * refer to ACPI Specification version 4.0, section 17.3.2.6
+ *
+ * Now, only SCI notification type and memory errors are
+ * supported. More notification type and hardware error type will be
+ * added later.
+ *
+ * Copyright 2010 Intel Corp.
+ *   Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/cper.h>
+#include <linux/kdebug.h>
+#include <acpi/apei.h>
+#include <acpi/atomicio.h>
+#include <acpi/hed.h>
+#include <asm/mce.h>
+
+#include "apei-internal.h"
+
+#define GHES_PFX	"GHES: "
+
+#define GHES_ESTATUS_MAX_SIZE		65536
+
+/*
+ * One struct ghes is created for each generic hardware error
+ * source.
+ *
+ * It provides the context for APEI hardware error timer/IRQ/SCI/NMI
+ * handler. Handler for one generic hardware error source is only
+ * triggered after the previous one is done. So handler can uses
+ * struct ghes without locking.
+ *
+ * estatus: memory buffer for error status block, allocated during
+ * HEST parsing.
+ */
+#define GHES_TO_CLEAR		0x0001
+
+struct ghes {
+	struct acpi_hest_generic *generic;
+	struct acpi_hest_generic_status *estatus;
+	struct list_head list;
+	u64 buffer_paddr;
+	unsigned long flags;
+};
+
+/*
+ * Error source lists, one list for each notification method. The
+ * members in lists are struct ghes.
+ *
+ * The list members are only added in HEST parsing and deleted during
+ * module_exit, that is, single-threaded. So no lock is needed for
+ * that.
+ *
+ * But the mutual exclusion is needed between members adding/deleting
+ * and timer/IRQ/SCI/NMI handler, which may traverse the list. RCU is
+ * used for that.
+ */
+static LIST_HEAD(ghes_sci);
+
+static struct ghes *ghes_new(struct acpi_hest_generic *generic)
+{
+	struct ghes *ghes;
+	unsigned int error_block_length;
+	int rc;
+
+	ghes = kzalloc(sizeof(*ghes), GFP_KERNEL);
+	if (!ghes)
+		return ERR_PTR(-ENOMEM);
+	ghes->generic = generic;
+	INIT_LIST_HEAD(&ghes->list);
+	rc = acpi_pre_map_gar(&generic->error_status_address);
+	if (rc)
+		goto err_free;
+	error_block_length = generic->error_block_length;
+	if (error_block_length > GHES_ESTATUS_MAX_SIZE) {
+		pr_warning(FW_WARN GHES_PFX
+			   "Error status block length is too long: %u for "
+			   "generic hardware error source: %d.\n",
+			   error_block_length, generic->header.source_id);
+		error_block_length = GHES_ESTATUS_MAX_SIZE;
+	}
+	ghes->estatus = kmalloc(error_block_length, GFP_KERNEL);
+	if (!ghes->estatus) {
+		rc = -ENOMEM;
+		goto err_unmap;
+	}
+
+	return ghes;
+
+err_unmap:
+	acpi_post_unmap_gar(&generic->error_status_address);
+err_free:
+	kfree(ghes);
+	return ERR_PTR(rc);
+}
+
+static void ghes_fini(struct ghes *ghes)
+{
+	kfree(ghes->estatus);
+	acpi_post_unmap_gar(&ghes->generic->error_status_address);
+}
+
+enum {
+	GHES_SER_NO = 0x0,
+	GHES_SER_CORRECTED = 0x1,
+	GHES_SER_RECOVERABLE = 0x2,
+	GHES_SER_PANIC = 0x3,
+};
+
+static inline int ghes_severity(int severity)
+{
+	switch (severity) {
+	case CPER_SER_INFORMATIONAL:
+		return GHES_SER_NO;
+	case CPER_SER_CORRECTED:
+		return GHES_SER_CORRECTED;
+	case CPER_SER_RECOVERABLE:
+		return GHES_SER_RECOVERABLE;
+	case CPER_SER_FATAL:
+		return GHES_SER_PANIC;
+	default:
+		/* Unkown, go panic */
+		return GHES_SER_PANIC;
+	}
+}
+
+/* SCI handler run in work queue, so ioremap can be used here */
+static int ghes_copy_tofrom_phys(void *buffer, u64 paddr, u32 len,
+				 int from_phys)
+{
+	void *vaddr;
+
+	vaddr = ioremap_cache(paddr, len);
+	if (!vaddr)
+		return -ENOMEM;
+	if (from_phys)
+		memcpy(buffer, vaddr, len);
+	else
+		memcpy(vaddr, buffer, len);
+	iounmap(vaddr);
+
+	return 0;
+}
+
+static int ghes_read_estatus(struct ghes *ghes, int silent)
+{
+	struct acpi_hest_generic *g = ghes->generic;
+	u64 buf_paddr;
+	u32 len;
+	int rc;
+
+	rc = acpi_atomic_read(&buf_paddr, &g->error_status_address);
+	if (rc) {
+		if (!silent && printk_ratelimit())
+			pr_warning(FW_WARN GHES_PFX
+"Failed to read error status block address for hardware error source: %d.\n",
+				   g->header.source_id);
+		return -EIO;
+	}
+	if (!buf_paddr)
+		return -ENOENT;
+
+	rc = ghes_copy_tofrom_phys(ghes->estatus, buf_paddr,
+				   sizeof(*ghes->estatus), 1);
+	if (rc)
+		return rc;
+	if (!ghes->estatus->block_status)
+		return -ENOENT;
+
+	ghes->buffer_paddr = buf_paddr;
+	ghes->flags |= GHES_TO_CLEAR;
+
+	rc = -EIO;
+	len = apei_estatus_len(ghes->estatus);
+	if (len < sizeof(*ghes->estatus))
+		goto err_read_block;
+	if (len > ghes->generic->error_block_length)
+		goto err_read_block;
+	if (apei_estatus_check_header(ghes->estatus))
+		goto err_read_block;
+	rc = ghes_copy_tofrom_phys(ghes->estatus + 1,
+				   buf_paddr + sizeof(*ghes->estatus),
+				   len - sizeof(*ghes->estatus), 1);
+	if (rc)
+		return rc;
+	if (apei_estatus_check(ghes->estatus))
+		goto err_read_block;
+	rc = 0;
+
+err_read_block:
+	if (rc && !silent)
+		pr_warning(FW_WARN GHES_PFX
+			   "Failed to read error status block!\n");
+	return rc;
+}
+
+static void ghes_clear_estatus(struct ghes *ghes)
+{
+	ghes->estatus->block_status = 0;
+	if (!(ghes->flags & GHES_TO_CLEAR))
+		return;
+	ghes_copy_tofrom_phys(ghes->estatus, ghes->buffer_paddr,
+			      sizeof(ghes->estatus->block_status), 0);
+	ghes->flags &= ~GHES_TO_CLEAR;
+}
+
+static void ghes_do_proc(struct ghes *ghes)
+{
+	int ser, processed = 0;
+	struct acpi_hest_generic_data *gdata;
+
+	ser = ghes_severity(ghes->estatus->error_severity);
+	apei_estatus_for_each_section(ghes->estatus, gdata) {
+#ifdef CONFIG_X86_MCE
+		if (!uuid_le_cmp(*(uuid_le *)gdata->section_type,
+				 CPER_SEC_PLATFORM_MEM)) {
+			apei_mce_report_mem_error(
+				ser == GHES_SER_CORRECTED,
+				(struct cper_sec_mem_err *)(gdata+1));
+			processed = 1;
+		}
+#endif
+	}
+
+	if (!processed && printk_ratelimit())
+		pr_warning(GHES_PFX
+		"Unknown error record from generic hardware error source: %d\n",
+			   ghes->generic->header.source_id);
+}
+
+static int ghes_proc(struct ghes *ghes)
+{
+	int rc;
+
+	rc = ghes_read_estatus(ghes, 0);
+	if (rc)
+		goto out;
+	ghes_do_proc(ghes);
+
+out:
+	ghes_clear_estatus(ghes);
+	return 0;
+}
+
+static int ghes_notify_sci(struct notifier_block *this,
+				  unsigned long event, void *data)
+{
+	struct ghes *ghes;
+	int ret = NOTIFY_DONE;
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(ghes, &ghes_sci, list) {
+		if (!ghes_proc(ghes))
+			ret = NOTIFY_OK;
+	}
+	rcu_read_unlock();
+
+	return ret;
+}
+
+static struct notifier_block ghes_notifier_sci = {
+	.notifier_call = ghes_notify_sci,
+};
+
+static int hest_ghes_parse(struct acpi_hest_header *hest_hdr, void *data)
+{
+	struct acpi_hest_generic *generic;
+	struct ghes *ghes = NULL;
+	int rc = 0;
+
+	if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
+		return 0;
+
+	generic = (struct acpi_hest_generic *)hest_hdr;
+	if (!generic->enabled)
+		return 0;
+
+	if (generic->error_block_length <
+	    sizeof(struct acpi_hest_generic_status)) {
+		pr_warning(FW_BUG GHES_PFX
+"Invalid error block length: %u for generic hardware error source: %d\n",
+			   generic->error_block_length,
+			   generic->header.source_id);
+		goto err;
+	}
+	if (generic->records_to_preallocate == 0) {
+		pr_warning(FW_BUG GHES_PFX
+"Invalid records to preallocate: %u for generic hardware error source: %d\n",
+			   generic->records_to_preallocate,
+			   generic->header.source_id);
+		goto err;
+	}
+	ghes = ghes_new(generic);
+	if (IS_ERR(ghes)) {
+		rc = PTR_ERR(ghes);
+		ghes = NULL;
+		goto err;
+	}
+	switch (generic->notify.type) {
+	case ACPI_HEST_NOTIFY_POLLED:
+		pr_warning(GHES_PFX
+"Generic hardware error source: %d notified via POLL is not supported!\n",
+			   generic->header.source_id);
+		break;
+	case ACPI_HEST_NOTIFY_EXTERNAL:
+	case ACPI_HEST_NOTIFY_LOCAL:
+		pr_warning(GHES_PFX
+"Generic hardware error source: %d notified via IRQ is not supported!\n",
+			   generic->header.source_id);
+		break;
+	case ACPI_HEST_NOTIFY_SCI:
+		if (list_empty(&ghes_sci))
+			register_acpi_hed_notifier(&ghes_notifier_sci);
+		list_add_rcu(&ghes->list, &ghes_sci);
+		break;
+	case ACPI_HEST_NOTIFY_NMI:
+		pr_warning(GHES_PFX
+"Generic hardware error source: %d notified via NMI is not supported!\n",
+			   generic->header.source_id);
+		break;
+	default:
+		pr_warning(FW_WARN GHES_PFX
+	"Unknown notification type: %u for generic hardware error source: %d\n",
+			   generic->notify.type, generic->header.source_id);
+		break;
+	}
+
+	return 0;
+err:
+	if (ghes)
+		ghes_fini(ghes);
+	return rc;
+}
+
+static void ghes_cleanup(void)
+{
+	struct ghes *ghes, *nghes;
+
+	if (!list_empty(&ghes_sci))
+		unregister_acpi_hed_notifier(&ghes_notifier_sci);
+
+	synchronize_rcu();
+
+	list_for_each_entry_safe(ghes, nghes, &ghes_sci, list) {
+		list_del(&ghes->list);
+		ghes_fini(ghes);
+		kfree(ghes);
+	}
+}
+
+static int __init ghes_init(void)
+{
+	int rc;
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	if (hest_disable) {
+		pr_info(GHES_PFX "HEST is not enabled!\n");
+		return -EINVAL;
+	}
+
+	rc = apei_hest_parse(hest_ghes_parse, NULL);
+	if (rc) {
+		pr_err(GHES_PFX
+		"Error during parsing HEST generic hardware error sources.\n");
+		goto err_cleanup;
+	}
+
+	if (list_empty(&ghes_sci)) {
+		pr_info(GHES_PFX
+			"No functional generic hardware error sources.\n");
+		rc = -ENODEV;
+		goto err_cleanup;
+	}
+
+	pr_info(GHES_PFX
+		"Generic Hardware Error Source support is initialized.\n");
+
+	return 0;
+err_cleanup:
+	ghes_cleanup();
+	return rc;
+}
+
+static void __exit ghes_exit(void)
+{
+	ghes_cleanup();
+}
+
+module_init(ghes_init);
+module_exit(ghes_exit);
+
+MODULE_AUTHOR("Huang Ying");
+MODULE_DESCRIPTION("APEI Generic Hardware Error Source support");
+MODULE_LICENSE("GPL");

From a08f82d08053fb6e3aa3635c2c26456d96337c8b Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:21 +0800
Subject: [PATCH 2253/3638] ACPI, APEI, Error Record Serialization Table (ERST)
 support

ERST is a way provided by APEI to save and retrieve hardware error
record to and from some simple persistent storage (such as flash).

The Linux kernel support implementation is quite simple and workable
in NMI context. So it can be used to save hardware error record into
flash in hardware error exception or NMI handler, where other more
complex persistent storage such as disk is not usable. After saving
hardware error records via ERST in hardware error exception or NMI
handler, the error records can be retrieved and logged into disk or
network after a clean reboot.

For more information about ERST, please refer to ACPI Specification
version 4.0, section 17.4.

This patch incorporate fixes from Jin Dongming.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
CC: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/kernel-parameters.txt |   4 +
 drivers/acpi/apei/Makefile          |   2 +-
 drivers/acpi/apei/erst.c            | 855 ++++++++++++++++++++++++++++
 include/acpi/apei.h                 |  21 +
 4 files changed, 881 insertions(+), 1 deletion(-)
 create mode 100644 drivers/acpi/apei/erst.c

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 47a0e1ba5e6..42d77735fd4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -750,6 +750,10 @@ and is between 256 and 4096 characters. It is defined in the file
 			Default value is 0.
 			Value can be changed at runtime via /selinux/enforce.
 
+	erst_disable	[ACPI]
+			Disable Error Record Serialization Table (ERST)
+			support.
+
 	ether=		[HW,NET] Ethernet cards parameters
 			This option is obsoleted by the "netdev=" option, which
 			has equivalent usage. See its documentation for details.
diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile
index 41c61db4c51..b13b03a1778 100644
--- a/drivers/acpi/apei/Makefile
+++ b/drivers/acpi/apei/Makefile
@@ -2,4 +2,4 @@ obj-$(CONFIG_ACPI_APEI)		+= apei.o
 obj-$(CONFIG_ACPI_APEI_GHES)	+= ghes.o
 obj-$(CONFIG_ACPI_APEI_EINJ)	+= einj.o
 
-apei-y := apei-base.o hest.o cper.o
+apei-y := apei-base.o hest.o cper.o erst.o
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
new file mode 100644
index 00000000000..2ebc3911550
--- /dev/null
+++ b/drivers/acpi/apei/erst.c
@@ -0,0 +1,855 @@
+/*
+ * APEI Error Record Serialization Table support
+ *
+ * ERST is a way provided by APEI to save and retrieve hardware error
+ * infomation to and from a persistent store.
+ *
+ * For more information about ERST, please refer to ACPI Specification
+ * version 4.0, section 17.4.
+ *
+ * Copyright 2010 Intel Corp.
+ *   Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/acpi.h>
+#include <linux/uaccess.h>
+#include <linux/cper.h>
+#include <linux/nmi.h>
+#include <acpi/apei.h>
+
+#include "apei-internal.h"
+
+#define ERST_PFX "ERST: "
+
+/* ERST command status */
+#define ERST_STATUS_SUCCESS			0x0
+#define ERST_STATUS_NOT_ENOUGH_SPACE		0x1
+#define ERST_STATUS_HARDWARE_NOT_AVAILABLE	0x2
+#define ERST_STATUS_FAILED			0x3
+#define ERST_STATUS_RECORD_STORE_EMPTY		0x4
+#define ERST_STATUS_RECORD_NOT_FOUND		0x5
+
+#define ERST_TAB_ENTRY(tab)						\
+	((struct acpi_whea_header *)((char *)(tab) +			\
+				     sizeof(struct acpi_table_erst)))
+
+#define SPIN_UNIT		100			/* 100ns */
+/* Firmware should respond within 1 miliseconds */
+#define FIRMWARE_TIMEOUT	(1 * NSEC_PER_MSEC)
+#define FIRMWARE_MAX_STALL	50			/* 50us */
+
+int erst_disable;
+EXPORT_SYMBOL_GPL(erst_disable);
+
+static struct acpi_table_erst *erst_tab;
+
+/* ERST Error Log Address Range atrributes */
+#define ERST_RANGE_RESERVED	0x0001
+#define ERST_RANGE_NVRAM	0x0002
+#define ERST_RANGE_SLOW		0x0004
+
+/*
+ * ERST Error Log Address Range, used as buffer for reading/writing
+ * error records.
+ */
+static struct erst_erange {
+	u64 base;
+	u64 size;
+	void __iomem *vaddr;
+	u32 attr;
+} erst_erange;
+
+/*
+ * Prevent ERST interpreter to run simultaneously, because the
+ * corresponding firmware implementation may not work properly when
+ * invoked simultaneously.
+ *
+ * It is used to provide exclusive accessing for ERST Error Log
+ * Address Range too.
+ */
+static DEFINE_SPINLOCK(erst_lock);
+
+static inline int erst_errno(int command_status)
+{
+	switch (command_status) {
+	case ERST_STATUS_SUCCESS:
+		return 0;
+	case ERST_STATUS_HARDWARE_NOT_AVAILABLE:
+		return -ENODEV;
+	case ERST_STATUS_NOT_ENOUGH_SPACE:
+		return -ENOSPC;
+	case ERST_STATUS_RECORD_STORE_EMPTY:
+	case ERST_STATUS_RECORD_NOT_FOUND:
+		return -ENOENT;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int erst_timedout(u64 *t, u64 spin_unit)
+{
+	if ((s64)*t < spin_unit) {
+		pr_warning(FW_WARN ERST_PFX
+			   "Firmware does not respond in time\n");
+		return 1;
+	}
+	*t -= spin_unit;
+	ndelay(spin_unit);
+	touch_nmi_watchdog();
+	return 0;
+}
+
+static int erst_exec_load_var1(struct apei_exec_context *ctx,
+			       struct acpi_whea_header *entry)
+{
+	return __apei_exec_read_register(entry, &ctx->var1);
+}
+
+static int erst_exec_load_var2(struct apei_exec_context *ctx,
+			       struct acpi_whea_header *entry)
+{
+	return __apei_exec_read_register(entry, &ctx->var2);
+}
+
+static int erst_exec_store_var1(struct apei_exec_context *ctx,
+				struct acpi_whea_header *entry)
+{
+	return __apei_exec_write_register(entry, ctx->var1);
+}
+
+static int erst_exec_add(struct apei_exec_context *ctx,
+			 struct acpi_whea_header *entry)
+{
+	ctx->var1 += ctx->var2;
+	return 0;
+}
+
+static int erst_exec_subtract(struct apei_exec_context *ctx,
+			      struct acpi_whea_header *entry)
+{
+	ctx->var1 -= ctx->var2;
+	return 0;
+}
+
+static int erst_exec_add_value(struct apei_exec_context *ctx,
+			       struct acpi_whea_header *entry)
+{
+	int rc;
+	u64 val;
+
+	rc = __apei_exec_read_register(entry, &val);
+	if (rc)
+		return rc;
+	val += ctx->value;
+	rc = __apei_exec_write_register(entry, val);
+	return rc;
+}
+
+static int erst_exec_subtract_value(struct apei_exec_context *ctx,
+				    struct acpi_whea_header *entry)
+{
+	int rc;
+	u64 val;
+
+	rc = __apei_exec_read_register(entry, &val);
+	if (rc)
+		return rc;
+	val -= ctx->value;
+	rc = __apei_exec_write_register(entry, val);
+	return rc;
+}
+
+static int erst_exec_stall(struct apei_exec_context *ctx,
+			   struct acpi_whea_header *entry)
+{
+	u64 stall_time;
+
+	if (ctx->value > FIRMWARE_MAX_STALL) {
+		if (!in_nmi())
+			pr_warning(FW_WARN ERST_PFX
+			"Too long stall time for stall instruction: %llx.\n",
+				   ctx->value);
+		stall_time = FIRMWARE_MAX_STALL;
+	} else
+		stall_time = ctx->value;
+	udelay(stall_time);
+	return 0;
+}
+
+static int erst_exec_stall_while_true(struct apei_exec_context *ctx,
+				      struct acpi_whea_header *entry)
+{
+	int rc;
+	u64 val;
+	u64 timeout = FIRMWARE_TIMEOUT;
+	u64 stall_time;
+
+	if (ctx->var1 > FIRMWARE_MAX_STALL) {
+		if (!in_nmi())
+			pr_warning(FW_WARN ERST_PFX
+		"Too long stall time for stall while true instruction: %llx.\n",
+				   ctx->var1);
+		stall_time = FIRMWARE_MAX_STALL;
+	} else
+		stall_time = ctx->var1;
+
+	for (;;) {
+		rc = __apei_exec_read_register(entry, &val);
+		if (rc)
+			return rc;
+		if (val != ctx->value)
+			break;
+		if (erst_timedout(&timeout, stall_time * NSEC_PER_USEC))
+			return -EIO;
+	}
+	return 0;
+}
+
+static int erst_exec_skip_next_instruction_if_true(
+	struct apei_exec_context *ctx,
+	struct acpi_whea_header *entry)
+{
+	int rc;
+	u64 val;
+
+	rc = __apei_exec_read_register(entry, &val);
+	if (rc)
+		return rc;
+	if (val == ctx->value) {
+		ctx->ip += 2;
+		return APEI_EXEC_SET_IP;
+	}
+
+	return 0;
+}
+
+static int erst_exec_goto(struct apei_exec_context *ctx,
+			  struct acpi_whea_header *entry)
+{
+	ctx->ip = ctx->value;
+	return APEI_EXEC_SET_IP;
+}
+
+static int erst_exec_set_src_address_base(struct apei_exec_context *ctx,
+					  struct acpi_whea_header *entry)
+{
+	return __apei_exec_read_register(entry, &ctx->src_base);
+}
+
+static int erst_exec_set_dst_address_base(struct apei_exec_context *ctx,
+					  struct acpi_whea_header *entry)
+{
+	return __apei_exec_read_register(entry, &ctx->dst_base);
+}
+
+static int erst_exec_move_data(struct apei_exec_context *ctx,
+			       struct acpi_whea_header *entry)
+{
+	int rc;
+	u64 offset;
+
+	rc = __apei_exec_read_register(entry, &offset);
+	if (rc)
+		return rc;
+	memmove((void *)ctx->dst_base + offset,
+		(void *)ctx->src_base + offset,
+		ctx->var2);
+
+	return 0;
+}
+
+static struct apei_exec_ins_type erst_ins_type[] = {
+	[ACPI_ERST_READ_REGISTER] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = apei_exec_read_register,
+	},
+	[ACPI_ERST_READ_REGISTER_VALUE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = apei_exec_read_register_value,
+	},
+	[ACPI_ERST_WRITE_REGISTER] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = apei_exec_write_register,
+	},
+	[ACPI_ERST_WRITE_REGISTER_VALUE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = apei_exec_write_register_value,
+	},
+	[ACPI_ERST_NOOP] = {
+		.flags = 0,
+		.run = apei_exec_noop,
+	},
+	[ACPI_ERST_LOAD_VAR1] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_load_var1,
+	},
+	[ACPI_ERST_LOAD_VAR2] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_load_var2,
+	},
+	[ACPI_ERST_STORE_VAR1] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_store_var1,
+	},
+	[ACPI_ERST_ADD] = {
+		.flags = 0,
+		.run = erst_exec_add,
+	},
+	[ACPI_ERST_SUBTRACT] = {
+		.flags = 0,
+		.run = erst_exec_subtract,
+	},
+	[ACPI_ERST_ADD_VALUE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_add_value,
+	},
+	[ACPI_ERST_SUBTRACT_VALUE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_subtract_value,
+	},
+	[ACPI_ERST_STALL] = {
+		.flags = 0,
+		.run = erst_exec_stall,
+	},
+	[ACPI_ERST_STALL_WHILE_TRUE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_stall_while_true,
+	},
+	[ACPI_ERST_SKIP_NEXT_IF_TRUE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_skip_next_instruction_if_true,
+	},
+	[ACPI_ERST_GOTO] = {
+		.flags = 0,
+		.run = erst_exec_goto,
+	},
+	[ACPI_ERST_SET_SRC_ADDRESS_BASE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_set_src_address_base,
+	},
+	[ACPI_ERST_SET_DST_ADDRESS_BASE] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_set_dst_address_base,
+	},
+	[ACPI_ERST_MOVE_DATA] = {
+		.flags = APEI_EXEC_INS_ACCESS_REGISTER,
+		.run = erst_exec_move_data,
+	},
+};
+
+static inline void erst_exec_ctx_init(struct apei_exec_context *ctx)
+{
+	apei_exec_ctx_init(ctx, erst_ins_type, ARRAY_SIZE(erst_ins_type),
+			   ERST_TAB_ENTRY(erst_tab), erst_tab->entries);
+}
+
+static int erst_get_erange(struct erst_erange *range)
+{
+	struct apei_exec_context ctx;
+	int rc;
+
+	erst_exec_ctx_init(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_GET_ERROR_RANGE);
+	if (rc)
+		return rc;
+	range->base = apei_exec_ctx_get_output(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_GET_ERROR_LENGTH);
+	if (rc)
+		return rc;
+	range->size = apei_exec_ctx_get_output(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_GET_ERROR_ATTRIBUTES);
+	if (rc)
+		return rc;
+	range->attr = apei_exec_ctx_get_output(&ctx);
+
+	return 0;
+}
+
+static ssize_t __erst_get_record_count(void)
+{
+	struct apei_exec_context ctx;
+	int rc;
+
+	erst_exec_ctx_init(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_GET_RECORD_COUNT);
+	if (rc)
+		return rc;
+	return apei_exec_ctx_get_output(&ctx);
+}
+
+ssize_t erst_get_record_count(void)
+{
+	ssize_t count;
+	unsigned long flags;
+
+	if (erst_disable)
+		return -ENODEV;
+
+	spin_lock_irqsave(&erst_lock, flags);
+	count = __erst_get_record_count();
+	spin_unlock_irqrestore(&erst_lock, flags);
+
+	return count;
+}
+EXPORT_SYMBOL_GPL(erst_get_record_count);
+
+static int __erst_get_next_record_id(u64 *record_id)
+{
+	struct apei_exec_context ctx;
+	int rc;
+
+	erst_exec_ctx_init(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_GET_RECORD_ID);
+	if (rc)
+		return rc;
+	*record_id = apei_exec_ctx_get_output(&ctx);
+
+	return 0;
+}
+
+/*
+ * Get the record ID of an existing error record on the persistent
+ * storage. If there is no error record on the persistent storage, the
+ * returned record_id is APEI_ERST_INVALID_RECORD_ID.
+ */
+int erst_get_next_record_id(u64 *record_id)
+{
+	int rc;
+	unsigned long flags;
+
+	if (erst_disable)
+		return -ENODEV;
+
+	spin_lock_irqsave(&erst_lock, flags);
+	rc = __erst_get_next_record_id(record_id);
+	spin_unlock_irqrestore(&erst_lock, flags);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(erst_get_next_record_id);
+
+static int __erst_write_to_storage(u64 offset)
+{
+	struct apei_exec_context ctx;
+	u64 timeout = FIRMWARE_TIMEOUT;
+	u64 val;
+	int rc;
+
+	erst_exec_ctx_init(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_BEGIN_WRITE);
+	if (rc)
+		return rc;
+	apei_exec_ctx_set_input(&ctx, offset);
+	rc = apei_exec_run(&ctx, ACPI_ERST_SET_RECORD_OFFSET);
+	if (rc)
+		return rc;
+	rc = apei_exec_run(&ctx, ACPI_ERST_EXECUTE_OPERATION);
+	if (rc)
+		return rc;
+	for (;;) {
+		rc = apei_exec_run(&ctx, ACPI_ERST_CHECK_BUSY_STATUS);
+		if (rc)
+			return rc;
+		val = apei_exec_ctx_get_output(&ctx);
+		if (!val)
+			break;
+		if (erst_timedout(&timeout, SPIN_UNIT))
+			return -EIO;
+	}
+	rc = apei_exec_run(&ctx, ACPI_ERST_GET_COMMAND_STATUS);
+	if (rc)
+		return rc;
+	val = apei_exec_ctx_get_output(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_END);
+	if (rc)
+		return rc;
+
+	return erst_errno(val);
+}
+
+static int __erst_read_from_storage(u64 record_id, u64 offset)
+{
+	struct apei_exec_context ctx;
+	u64 timeout = FIRMWARE_TIMEOUT;
+	u64 val;
+	int rc;
+
+	erst_exec_ctx_init(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_BEGIN_READ);
+	if (rc)
+		return rc;
+	apei_exec_ctx_set_input(&ctx, offset);
+	rc = apei_exec_run(&ctx, ACPI_ERST_SET_RECORD_OFFSET);
+	if (rc)
+		return rc;
+	apei_exec_ctx_set_input(&ctx, record_id);
+	rc = apei_exec_run(&ctx, ACPI_ERST_SET_RECORD_ID);
+	if (rc)
+		return rc;
+	rc = apei_exec_run(&ctx, ACPI_ERST_EXECUTE_OPERATION);
+	if (rc)
+		return rc;
+	for (;;) {
+		rc = apei_exec_run(&ctx, ACPI_ERST_CHECK_BUSY_STATUS);
+		if (rc)
+			return rc;
+		val = apei_exec_ctx_get_output(&ctx);
+		if (!val)
+			break;
+		if (erst_timedout(&timeout, SPIN_UNIT))
+			return -EIO;
+	};
+	rc = apei_exec_run(&ctx, ACPI_ERST_GET_COMMAND_STATUS);
+	if (rc)
+		return rc;
+	val = apei_exec_ctx_get_output(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_END);
+	if (rc)
+		return rc;
+
+	return erst_errno(val);
+}
+
+static int __erst_clear_from_storage(u64 record_id)
+{
+	struct apei_exec_context ctx;
+	u64 timeout = FIRMWARE_TIMEOUT;
+	u64 val;
+	int rc;
+
+	erst_exec_ctx_init(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_BEGIN_CLEAR);
+	if (rc)
+		return rc;
+	apei_exec_ctx_set_input(&ctx, record_id);
+	rc = apei_exec_run(&ctx, ACPI_ERST_SET_RECORD_ID);
+	if (rc)
+		return rc;
+	rc = apei_exec_run(&ctx, ACPI_ERST_EXECUTE_OPERATION);
+	if (rc)
+		return rc;
+	for (;;) {
+		rc = apei_exec_run(&ctx, ACPI_ERST_CHECK_BUSY_STATUS);
+		if (rc)
+			return rc;
+		val = apei_exec_ctx_get_output(&ctx);
+		if (!val)
+			break;
+		if (erst_timedout(&timeout, SPIN_UNIT))
+			return -EIO;
+	}
+	rc = apei_exec_run(&ctx, ACPI_ERST_GET_COMMAND_STATUS);
+	if (rc)
+		return rc;
+	val = apei_exec_ctx_get_output(&ctx);
+	rc = apei_exec_run(&ctx, ACPI_ERST_END);
+	if (rc)
+		return rc;
+
+	return erst_errno(val);
+}
+
+/* NVRAM ERST Error Log Address Range is not supported yet */
+static void pr_unimpl_nvram(void)
+{
+	if (printk_ratelimit())
+		pr_warning(ERST_PFX
+		"NVRAM ERST Log Address Range is not implemented yet\n");
+}
+
+static int __erst_write_to_nvram(const struct cper_record_header *record)
+{
+	/* do not print message, because printk is not safe for NMI */
+	return -ENOSYS;
+}
+
+static int __erst_read_to_erange_from_nvram(u64 record_id, u64 *offset)
+{
+	pr_unimpl_nvram();
+	return -ENOSYS;
+}
+
+static int __erst_clear_from_nvram(u64 record_id)
+{
+	pr_unimpl_nvram();
+	return -ENOSYS;
+}
+
+int erst_write(const struct cper_record_header *record)
+{
+	int rc;
+	unsigned long flags;
+	struct cper_record_header *rcd_erange;
+
+	if (erst_disable)
+		return -ENODEV;
+
+	if (memcmp(record->signature, CPER_SIG_RECORD, CPER_SIG_SIZE))
+		return -EINVAL;
+
+	if (erst_erange.attr & ERST_RANGE_NVRAM) {
+		if (!spin_trylock_irqsave(&erst_lock, flags))
+			return -EBUSY;
+		rc = __erst_write_to_nvram(record);
+		spin_unlock_irqrestore(&erst_lock, flags);
+		return rc;
+	}
+
+	if (record->record_length > erst_erange.size)
+		return -EINVAL;
+
+	if (!spin_trylock_irqsave(&erst_lock, flags))
+		return -EBUSY;
+	memcpy(erst_erange.vaddr, record, record->record_length);
+	rcd_erange = erst_erange.vaddr;
+	/* signature for serialization system */
+	memcpy(&rcd_erange->persistence_information, "ER", 2);
+
+	rc = __erst_write_to_storage(0);
+	spin_unlock_irqrestore(&erst_lock, flags);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(erst_write);
+
+static int __erst_read_to_erange(u64 record_id, u64 *offset)
+{
+	int rc;
+
+	if (erst_erange.attr & ERST_RANGE_NVRAM)
+		return __erst_read_to_erange_from_nvram(
+			record_id, offset);
+
+	rc = __erst_read_from_storage(record_id, 0);
+	if (rc)
+		return rc;
+	*offset = 0;
+
+	return 0;
+}
+
+static ssize_t __erst_read(u64 record_id, struct cper_record_header *record,
+			   size_t buflen)
+{
+	int rc;
+	u64 offset, len = 0;
+	struct cper_record_header *rcd_tmp;
+
+	rc = __erst_read_to_erange(record_id, &offset);
+	if (rc)
+		return rc;
+	rcd_tmp = erst_erange.vaddr + offset;
+	len = rcd_tmp->record_length;
+	if (len <= buflen)
+		memcpy(record, rcd_tmp, len);
+
+	return len;
+}
+
+/*
+ * If return value > buflen, the buffer size is not big enough,
+ * else if return value < 0, something goes wrong,
+ * else everything is OK, and return value is record length
+ */
+ssize_t erst_read(u64 record_id, struct cper_record_header *record,
+		  size_t buflen)
+{
+	ssize_t len;
+	unsigned long flags;
+
+	if (erst_disable)
+		return -ENODEV;
+
+	spin_lock_irqsave(&erst_lock, flags);
+	len = __erst_read(record_id, record, buflen);
+	spin_unlock_irqrestore(&erst_lock, flags);
+	return len;
+}
+EXPORT_SYMBOL_GPL(erst_read);
+
+/*
+ * If return value > buflen, the buffer size is not big enough,
+ * else if return value = 0, there is no more record to read,
+ * else if return value < 0, something goes wrong,
+ * else everything is OK, and return value is record length
+ */
+ssize_t erst_read_next(struct cper_record_header *record, size_t buflen)
+{
+	int rc;
+	ssize_t len;
+	unsigned long flags;
+	u64 record_id;
+
+	if (erst_disable)
+		return -ENODEV;
+
+	spin_lock_irqsave(&erst_lock, flags);
+	rc = __erst_get_next_record_id(&record_id);
+	if (rc) {
+		spin_unlock_irqrestore(&erst_lock, flags);
+		return rc;
+	}
+	/* no more record */
+	if (record_id == APEI_ERST_INVALID_RECORD_ID) {
+		spin_unlock_irqrestore(&erst_lock, flags);
+		return 0;
+	}
+
+	len = __erst_read(record_id, record, buflen);
+	spin_unlock_irqrestore(&erst_lock, flags);
+
+	return len;
+}
+EXPORT_SYMBOL_GPL(erst_read_next);
+
+int erst_clear(u64 record_id)
+{
+	int rc;
+	unsigned long flags;
+
+	if (erst_disable)
+		return -ENODEV;
+
+	spin_lock_irqsave(&erst_lock, flags);
+	if (erst_erange.attr & ERST_RANGE_NVRAM)
+		rc = __erst_clear_from_nvram(record_id);
+	else
+		rc = __erst_clear_from_storage(record_id);
+	spin_unlock_irqrestore(&erst_lock, flags);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(erst_clear);
+
+static int __init setup_erst_disable(char *str)
+{
+	erst_disable = 1;
+	return 0;
+}
+
+__setup("erst_disable", setup_erst_disable);
+
+static int erst_check_table(struct acpi_table_erst *erst_tab)
+{
+	if (erst_tab->header_length != sizeof(struct acpi_table_erst))
+		return -EINVAL;
+	if (erst_tab->header.length < sizeof(struct acpi_table_erst))
+		return -EINVAL;
+	if (erst_tab->entries !=
+	    (erst_tab->header.length - sizeof(struct acpi_table_erst)) /
+	    sizeof(struct acpi_erst_entry))
+		return -EINVAL;
+
+	return 0;
+}
+
+static int __init erst_init(void)
+{
+	int rc = 0;
+	acpi_status status;
+	struct apei_exec_context ctx;
+	struct apei_resources erst_resources;
+	struct resource *r;
+
+	if (acpi_disabled)
+		goto err;
+
+	if (erst_disable) {
+		pr_info(ERST_PFX
+	"Error Record Serialization Table (ERST) support is disabled.\n");
+		goto err;
+	}
+
+	status = acpi_get_table(ACPI_SIG_ERST, 0,
+				(struct acpi_table_header **)&erst_tab);
+	if (status == AE_NOT_FOUND) {
+		pr_err(ERST_PFX "Table is not found!\n");
+		goto err;
+	} else if (ACPI_FAILURE(status)) {
+		const char *msg = acpi_format_exception(status);
+		pr_err(ERST_PFX "Failed to get table, %s\n", msg);
+		rc = -EINVAL;
+		goto err;
+	}
+
+	rc = erst_check_table(erst_tab);
+	if (rc) {
+		pr_err(FW_BUG ERST_PFX "ERST table is invalid\n");
+		goto err;
+	}
+
+	apei_resources_init(&erst_resources);
+	erst_exec_ctx_init(&ctx);
+	rc = apei_exec_collect_resources(&ctx, &erst_resources);
+	if (rc)
+		goto err_fini;
+	rc = apei_resources_request(&erst_resources, "APEI ERST");
+	if (rc)
+		goto err_fini;
+	rc = apei_exec_pre_map_gars(&ctx);
+	if (rc)
+		goto err_release;
+	rc = erst_get_erange(&erst_erange);
+	if (rc) {
+		if (rc == -ENODEV)
+			pr_info(ERST_PFX
+	"The corresponding hardware device or firmware implementation "
+	"is not available.\n");
+		else
+			pr_err(ERST_PFX
+			       "Failed to get Error Log Address Range.\n");
+		goto err_unmap_reg;
+	}
+
+	r = request_mem_region(erst_erange.base, erst_erange.size, "APEI ERST");
+	if (!r) {
+		pr_err(ERST_PFX
+		"Can not request iomem region <0x%16llx-0x%16llx> for ERST.\n",
+		(unsigned long long)erst_erange.base,
+		(unsigned long long)erst_erange.base + erst_erange.size);
+		rc = -EIO;
+		goto err_unmap_reg;
+	}
+	rc = -ENOMEM;
+	erst_erange.vaddr = ioremap_cache(erst_erange.base,
+					  erst_erange.size);
+	if (!erst_erange.vaddr)
+		goto err_release_erange;
+
+	pr_info(ERST_PFX
+	"Error Record Serialization Table (ERST) support is initialized.\n");
+
+	return 0;
+
+err_release_erange:
+	release_mem_region(erst_erange.base, erst_erange.size);
+err_unmap_reg:
+	apei_exec_post_unmap_gars(&ctx);
+err_release:
+	apei_resources_release(&erst_resources);
+err_fini:
+	apei_resources_fini(&erst_resources);
+err:
+	erst_disable = 1;
+	return rc;
+}
+
+device_initcall(erst_init);
diff --git a/include/acpi/apei.h b/include/acpi/apei.h
index 631a1ad2d10..b3365025ff8 100644
--- a/include/acpi/apei.h
+++ b/include/acpi/apei.h
@@ -5,9 +5,30 @@
 #ifndef ACPI_APEI_H
 #define ACPI_APEI_H
 
+#include <linux/acpi.h>
+#include <linux/cper.h>
+#include <asm/ioctls.h>
+
+#define APEI_ERST_INVALID_RECORD_ID	0xffffffffffffffffULL
+
+#define APEI_ERST_CLEAR_RECORD		_IOW('E', 1, u64)
+#define APEI_ERST_GET_RECORD_COUNT	_IOR('E', 2, u32)
+
+#ifdef __KERNEL__
+
 extern int hest_disable;
+extern int erst_disable;
 
 typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data);
 int apei_hest_parse(apei_hest_func_t func, void *data);
 
+int erst_write(const struct cper_record_header *record);
+ssize_t erst_get_record_count(void);
+int erst_get_next_record_id(u64 *record_id);
+ssize_t erst_read(u64 record_id, struct cper_record_header *record,
+		  size_t buflen);
+ssize_t erst_read_next(struct cper_record_header *record, size_t buflen);
+int erst_clear(u64 record_id);
+
+#endif
 #endif

From 482908b49ebfa453dd0455910c951c750567c05d Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:22 +0800
Subject: [PATCH 2254/3638] ACPI, APEI, Use ERST for persistent storage of MCE

Traditionally, fatal MCE will cause Linux print error log to console
then reboot. Because MCE registers will preserve their content after
warm reboot, the hardware error can be logged to disk or network after
reboot. But system may fail to warm reboot, then you may lose the
hardware error log. ERST can help here. Through saving the hardware
error log into flash via ERST before go panic, the hardware error log
can be gotten from the flash after system boot successful again.

The fatal MCE processing procedure with ERST involved is as follow:

- Hardware detect error, MCE raised
- MCE read MCE registers, check error severity (fatal), prepare error record
- Write MCE error record into flash via ERST
- Go panic, then trigger system reboot
- System reboot, /sbin/mcelog run, it reads /dev/mcelog to check flash
  for error record of previous boot via ERST, and output and clear
  them if available
- /sbin/mcelog logs error records into disk or network

ERST only accepts CPER record format, but there is no pre-defined CPER
section can accommodate all information in struct mce, so a customized
section type is defined to hold struct mce inside a CPER record as an
error section.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/cpu/mcheck/mce-apei.c     | 86 +++++++++++++++++++++++
 arch/x86/kernel/cpu/mcheck/mce-internal.h | 23 ++++++
 arch/x86/kernel/cpu/mcheck/mce.c          | 79 ++++++++++++++++++---
 3 files changed, 177 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce-apei.c b/arch/x86/kernel/cpu/mcheck/mce-apei.c
index 4eccd1fadb1..745b54f9be8 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-apei.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-apei.c
@@ -8,6 +8,9 @@
  * the error memory page can be offlined by /sbin/mcelog if the error
  * count for one page is beyond the threshold.
  *
+ * For fatal MCE, save MCE record into persistent storage via ERST, so
+ * that the MCE record can be logged after reboot via ERST.
+ *
  * Copyright 2010 Intel Corp.
  *   Author: Huang Ying <ying.huang@intel.com>
  *
@@ -50,3 +53,86 @@ void apei_mce_report_mem_error(int corrected, struct cper_sec_mem_err *mem_err)
 	mce_notify_irq();
 }
 EXPORT_SYMBOL_GPL(apei_mce_report_mem_error);
+
+#define CPER_CREATOR_MCE						\
+	UUID_LE(0x75a574e3, 0x5052, 0x4b29, 0x8a, 0x8e, 0xbe, 0x2c,	\
+		0x64, 0x90, 0xb8, 0x9d)
+#define CPER_SECTION_TYPE_MCE						\
+	UUID_LE(0xfe08ffbe, 0x95e4, 0x4be7, 0xbc, 0x73, 0x40, 0x96,	\
+		0x04, 0x4a, 0x38, 0xfc)
+
+/*
+ * CPER specification (in UEFI specification 2.3 appendix N) requires
+ * byte-packed.
+ */
+struct cper_mce_record {
+	struct cper_record_header hdr;
+	struct cper_section_descriptor sec_hdr;
+	struct mce mce;
+} __packed;
+
+int apei_write_mce(struct mce *m)
+{
+	struct cper_mce_record rcd;
+
+	memset(&rcd, 0, sizeof(rcd));
+	memcpy(rcd.hdr.signature, CPER_SIG_RECORD, CPER_SIG_SIZE);
+	rcd.hdr.revision = CPER_RECORD_REV;
+	rcd.hdr.signature_end = CPER_SIG_END;
+	rcd.hdr.section_count = 1;
+	rcd.hdr.error_severity = CPER_SER_FATAL;
+	/* timestamp, platform_id, partition_id are all invalid */
+	rcd.hdr.validation_bits = 0;
+	rcd.hdr.record_length = sizeof(rcd);
+	rcd.hdr.creator_id = CPER_CREATOR_MCE;
+	rcd.hdr.notification_type = CPER_NOTIFY_MCE;
+	rcd.hdr.record_id = cper_next_record_id();
+	rcd.hdr.flags = CPER_HW_ERROR_FLAGS_PREVERR;
+
+	rcd.sec_hdr.section_offset = (void *)&rcd.mce - (void *)&rcd;
+	rcd.sec_hdr.section_length = sizeof(rcd.mce);
+	rcd.sec_hdr.revision = CPER_SEC_REV;
+	/* fru_id and fru_text is invalid */
+	rcd.sec_hdr.validation_bits = 0;
+	rcd.sec_hdr.flags = CPER_SEC_PRIMARY;
+	rcd.sec_hdr.section_type = CPER_SECTION_TYPE_MCE;
+	rcd.sec_hdr.section_severity = CPER_SER_FATAL;
+
+	memcpy(&rcd.mce, m, sizeof(*m));
+
+	return erst_write(&rcd.hdr);
+}
+
+ssize_t apei_read_mce(struct mce *m, u64 *record_id)
+{
+	struct cper_mce_record rcd;
+	ssize_t len;
+
+	len = erst_read_next(&rcd.hdr, sizeof(rcd));
+	if (len <= 0)
+		return len;
+	/* Can not skip other records in storage via ERST unless clear them */
+	else if (len != sizeof(rcd) ||
+		 uuid_le_cmp(rcd.hdr.creator_id, CPER_CREATOR_MCE)) {
+		if (printk_ratelimit())
+			pr_warning(
+			"MCE-APEI: Can not skip the unknown record in ERST");
+		return -EIO;
+	}
+
+	memcpy(m, &rcd.mce, sizeof(*m));
+	*record_id = rcd.hdr.record_id;
+
+	return sizeof(*m);
+}
+
+/* Check whether there is record in ERST */
+int apei_check_mce(void)
+{
+	return erst_get_record_count();
+}
+
+int apei_clear_mce(u64 record_id)
+{
+	return erst_clear(record_id);
+}
diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h
index 32996f9fab6..fefcc69ee8b 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-internal.h
+++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h
@@ -28,3 +28,26 @@ extern int mce_ser;
 
 extern struct mce_bank *mce_banks;
 
+#ifdef CONFIG_ACPI_APEI
+int apei_write_mce(struct mce *m);
+ssize_t apei_read_mce(struct mce *m, u64 *record_id);
+int apei_check_mce(void);
+int apei_clear_mce(u64 record_id);
+#else
+static inline int apei_write_mce(struct mce *m)
+{
+	return -EINVAL;
+}
+static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id)
+{
+	return 0;
+}
+static inline int apei_check_mce(void)
+{
+	return 0;
+}
+static inline int apei_clear_mce(u64 record_id)
+{
+	return -EINVAL;
+}
+#endif
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 8a6f0afa767..09535ca9b9d 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -264,7 +264,7 @@ static void wait_for_panic(void)
 
 static void mce_panic(char *msg, struct mce *final, char *exp)
 {
-	int i;
+	int i, apei_err = 0;
 
 	if (!fake_panic) {
 		/*
@@ -287,8 +287,11 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
 		struct mce *m = &mcelog.entry[i];
 		if (!(m->status & MCI_STATUS_VAL))
 			continue;
-		if (!(m->status & MCI_STATUS_UC))
+		if (!(m->status & MCI_STATUS_UC)) {
 			print_mce(m);
+			if (!apei_err)
+				apei_err = apei_write_mce(m);
+		}
 	}
 	/* Now print uncorrected but with the final one last */
 	for (i = 0; i < MCE_LOG_LEN; i++) {
@@ -297,11 +300,17 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
 			continue;
 		if (!(m->status & MCI_STATUS_UC))
 			continue;
-		if (!final || memcmp(m, final, sizeof(struct mce)))
+		if (!final || memcmp(m, final, sizeof(struct mce))) {
 			print_mce(m);
+			if (!apei_err)
+				apei_err = apei_write_mce(m);
+		}
 	}
-	if (final)
+	if (final) {
 		print_mce(final);
+		if (!apei_err)
+			apei_err = apei_write_mce(final);
+	}
 	if (cpu_missing)
 		printk(KERN_EMERG "Some CPUs didn't answer in synchronization\n");
 	print_mce_tail();
@@ -1493,6 +1502,43 @@ static void collect_tscs(void *data)
 	rdtscll(cpu_tsc[smp_processor_id()]);
 }
 
+static int mce_apei_read_done;
+
+/* Collect MCE record of previous boot in persistent storage via APEI ERST. */
+static int __mce_read_apei(char __user **ubuf, size_t usize)
+{
+	int rc;
+	u64 record_id;
+	struct mce m;
+
+	if (usize < sizeof(struct mce))
+		return -EINVAL;
+
+	rc = apei_read_mce(&m, &record_id);
+	/* Error or no more MCE record */
+	if (rc <= 0) {
+		mce_apei_read_done = 1;
+		return rc;
+	}
+	rc = -EFAULT;
+	if (copy_to_user(*ubuf, &m, sizeof(struct mce)))
+		return rc;
+	/*
+	 * In fact, we should have cleared the record after that has
+	 * been flushed to the disk or sent to network in
+	 * /sbin/mcelog, but we have no interface to support that now,
+	 * so just clear it to avoid duplication.
+	 */
+	rc = apei_clear_mce(record_id);
+	if (rc) {
+		mce_apei_read_done = 1;
+		return rc;
+	}
+	*ubuf += sizeof(struct mce);
+
+	return 0;
+}
+
 static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
 			loff_t *off)
 {
@@ -1506,15 +1552,19 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
 		return -ENOMEM;
 
 	mutex_lock(&mce_read_mutex);
+
+	if (!mce_apei_read_done) {
+		err = __mce_read_apei(&buf, usize);
+		if (err || buf != ubuf)
+			goto out;
+	}
+
 	next = rcu_dereference_check_mce(mcelog.next);
 
 	/* Only supports full reads right now */
-	if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) {
-		mutex_unlock(&mce_read_mutex);
-		kfree(cpu_tsc);
-
-		return -EINVAL;
-	}
+	err = -EINVAL;
+	if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce))
+		goto out;
 
 	err = 0;
 	prev = 0;
@@ -1562,10 +1612,15 @@ timeout:
 			memset(&mcelog.entry[i], 0, sizeof(struct mce));
 		}
 	}
+
+	if (err)
+		err = -EFAULT;
+
+out:
 	mutex_unlock(&mce_read_mutex);
 	kfree(cpu_tsc);
 
-	return err ? -EFAULT : buf - ubuf;
+	return err ? err : buf - ubuf;
 }
 
 static unsigned int mce_poll(struct file *file, poll_table *wait)
@@ -1573,6 +1628,8 @@ static unsigned int mce_poll(struct file *file, poll_table *wait)
 	poll_wait(file, &mce_wait, wait);
 	if (rcu_dereference_check_mce(mcelog.next))
 		return POLLIN | POLLRDNORM;
+	if (!mce_apei_read_done && apei_check_mce())
+		return POLLIN | POLLRDNORM;
 	return 0;
 }
 

From 15b0beaa332b3923cce2ed109e0fb141ec1425d9 Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:23 +0800
Subject: [PATCH 2255/3638] Add x64 support to debugfs

Add debugfs_create_x64. This is needed by ACPI APEI EINJ parameters support.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 fs/debugfs/file.c       | 21 ++++++++++++++++++++-
 include/linux/debugfs.h |  2 ++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 4d74fc72c19..0210898458b 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -277,8 +277,10 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_x32, debugfs_u32_get, debugfs_u32_set, "0x%08llx\n"
 DEFINE_SIMPLE_ATTRIBUTE(fops_x32_ro, debugfs_u32_get, NULL, "0x%08llx\n");
 DEFINE_SIMPLE_ATTRIBUTE(fops_x32_wo, NULL, debugfs_u32_set, "0x%08llx\n");
 
+DEFINE_SIMPLE_ATTRIBUTE(fops_x64, debugfs_u64_get, debugfs_u64_set, "0x%016llx\n");
+
 /*
- * debugfs_create_x{8,16,32} - create a debugfs file that is used to read and write an unsigned {8,16,32}-bit value
+ * debugfs_create_x{8,16,32,64} - create a debugfs file that is used to read and write an unsigned {8,16,32,64}-bit value
  *
  * These functions are exactly the same as the above functions (but use a hex
  * output for the decimal challenged). For details look at the above unsigned
@@ -357,6 +359,23 @@ struct dentry *debugfs_create_x32(const char *name, mode_t mode,
 }
 EXPORT_SYMBOL_GPL(debugfs_create_x32);
 
+/**
+ * debugfs_create_x64 - create a debugfs file that is used to read and write an unsigned 64-bit value
+ * @name: a pointer to a string containing the name of the file to create.
+ * @mode: the permission that the file should have
+ * @parent: a pointer to the parent dentry for this file.  This should be a
+ *          directory dentry if set.  If this parameter is %NULL, then the
+ *          file will be created in the root of the debugfs filesystem.
+ * @value: a pointer to the variable that the file should read to and write
+ *         from.
+ */
+struct dentry *debugfs_create_x64(const char *name, mode_t mode,
+				 struct dentry *parent, u64 *value)
+{
+	return debugfs_create_file(name, mode, parent, value, &fops_x64);
+}
+EXPORT_SYMBOL_GPL(debugfs_create_x64);
+
 
 static int debugfs_size_t_set(void *data, u64 val)
 {
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index fc1b930f246..e7d9b20ddc5 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -63,6 +63,8 @@ struct dentry *debugfs_create_x16(const char *name, mode_t mode,
 				  struct dentry *parent, u16 *value);
 struct dentry *debugfs_create_x32(const char *name, mode_t mode,
 				  struct dentry *parent, u32 *value);
+struct dentry *debugfs_create_x64(const char *name, mode_t mode,
+				  struct dentry *parent, u64 *value);
 struct dentry *debugfs_create_size_t(const char *name, mode_t mode,
 				     struct dentry *parent, size_t *value);
 struct dentry *debugfs_create_bool(const char *name, mode_t mode,

From 6e320ec1d98f9eb93d5b2a5d70e2f40dce923f1b Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Tue, 18 May 2010 14:35:24 +0800
Subject: [PATCH 2256/3638] ACPI, APEI, EINJ injection parameters support

Some hardware error injection needs parameters, for example, it is
useful to specify memory address and memory address mask for memory
errors.

Some BIOSes allow parameters to be specified via an unpublished
extension. This patch adds support to it. The parameters will be
ignored on machines without necessary BIOS support.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/acpi/apei/einj.txt | 10 +++++
 drivers/acpi/apei/einj.c         | 72 +++++++++++++++++++++++++++++---
 2 files changed, 77 insertions(+), 5 deletions(-)

diff --git a/Documentation/acpi/apei/einj.txt b/Documentation/acpi/apei/einj.txt
index 838b7f0d5e1..dfab71848dc 100644
--- a/Documentation/acpi/apei/einj.txt
+++ b/Documentation/acpi/apei/einj.txt
@@ -45,5 +45,15 @@ directory apei/einj. The following files are provided.
   injection. Before this, please specify all necessary error
   parameters.
 
+- param1
+  This file is used to set the first error parameter value. Effect of
+  parameter depends on error_type specified. For memory error, this is
+  physical memory address.
+
+- param2
+  This file is used to set the second error parameter value. Effect of
+  parameter depends on error_type specified. For memory error, this is
+  physical memory address mask.
+
 For more information about EINJ, please refer to ACPI specification
 version 4.0, section 17.5.
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 4ccebd8f930..465c885938e 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -7,7 +7,7 @@
  * For more information about EINJ, please refer to ACPI Specification
  * version 4.0, section 17.5.
  *
- * Copyright 2009 Intel Corp.
+ * Copyright 2009-2010 Intel Corp.
  *   Author: Huang Ying <ying.huang@intel.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -42,6 +42,20 @@
 /* Firmware should respond within 1 miliseconds */
 #define FIRMWARE_TIMEOUT	(1 * NSEC_PER_MSEC)
 
+/*
+ * Some BIOSes allow parameters to the SET_ERROR_TYPE entries in the
+ * EINJ table through an unpublished extension. Use with caution as
+ * most will ignore the parameter and make their own choice of address
+ * for error injection.
+ */
+struct einj_parameter {
+	u64 type;
+	u64 reserved1;
+	u64 reserved2;
+	u64 param1;
+	u64 param2;
+};
+
 #define EINJ_OP_BUSY			0x1
 #define EINJ_STATUS_SUCCESS		0x0
 #define EINJ_STATUS_FAIL		0x1
@@ -85,6 +99,8 @@ static struct apei_exec_ins_type einj_ins_type[] = {
  */
 static DEFINE_MUTEX(einj_mutex);
 
+static struct einj_parameter *einj_param;
+
 static void einj_exec_ctx_init(struct apei_exec_context *ctx)
 {
 	apei_exec_ctx_init(ctx, einj_ins_type, ARRAY_SIZE(einj_ins_type),
@@ -130,6 +146,26 @@ static int einj_timedout(u64 *t)
 	return 0;
 }
 
+static u64 einj_get_parameter_address(void)
+{
+	int i;
+	u64 paddr = 0;
+	struct acpi_whea_header *entry;
+
+	entry = EINJ_TAB_ENTRY(einj_tab);
+	for (i = 0; i < einj_tab->entries; i++) {
+		if (entry->action == ACPI_EINJ_SET_ERROR_TYPE &&
+		    entry->instruction == ACPI_EINJ_WRITE_REGISTER &&
+		    entry->register_region.space_id ==
+		    ACPI_ADR_SPACE_SYSTEM_MEMORY)
+			memcpy(&paddr, &entry->register_region.address,
+			       sizeof(paddr));
+		entry++;
+	}
+
+	return paddr;
+}
+
 /* do sanity check to trigger table */
 static int einj_check_trigger_header(struct acpi_einj_trigger *trigger_tab)
 {
@@ -233,7 +269,7 @@ out:
 	return rc;
 }
 
-static int __einj_error_inject(u32 type)
+static int __einj_error_inject(u32 type, u64 param1, u64 param2)
 {
 	struct apei_exec_context ctx;
 	u64 val, trigger_paddr, timeout = FIRMWARE_TIMEOUT;
@@ -248,6 +284,10 @@ static int __einj_error_inject(u32 type)
 	rc = apei_exec_run(&ctx, ACPI_EINJ_SET_ERROR_TYPE);
 	if (rc)
 		return rc;
+	if (einj_param) {
+		writeq(param1, &einj_param->param1);
+		writeq(param2, &einj_param->param2);
+	}
 	rc = apei_exec_run(&ctx, ACPI_EINJ_EXECUTE_OPERATION);
 	if (rc)
 		return rc;
@@ -281,18 +321,20 @@ static int __einj_error_inject(u32 type)
 }
 
 /* Inject the specified hardware error */
-static int einj_error_inject(u32 type)
+static int einj_error_inject(u32 type, u64 param1, u64 param2)
 {
 	int rc;
 
 	mutex_lock(&einj_mutex);
-	rc = __einj_error_inject(type);
+	rc = __einj_error_inject(type, param1, param2);
 	mutex_unlock(&einj_mutex);
 
 	return rc;
 }
 
 static u32 error_type;
+static u64 error_param1;
+static u64 error_param2;
 static struct dentry *einj_debug_dir;
 
 static int available_error_type_show(struct seq_file *m, void *v)
@@ -376,7 +418,7 @@ static int error_inject_set(void *data, u64 val)
 	if (!error_type)
 		return -EINVAL;
 
-	return einj_error_inject(error_type);
+	return einj_error_inject(error_type, error_param1, error_param2);
 }
 
 DEFINE_SIMPLE_ATTRIBUTE(error_inject_fops, NULL,
@@ -399,6 +441,7 @@ static int einj_check_table(struct acpi_table_einj *einj_tab)
 static int __init einj_init(void)
 {
 	int rc;
+	u64 param_paddr;
 	acpi_status status;
 	struct dentry *fentry;
 	struct apei_exec_context ctx;
@@ -436,6 +479,14 @@ static int __init einj_init(void)
 				     einj_debug_dir, NULL, &error_type_fops);
 	if (!fentry)
 		goto err_cleanup;
+	fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR,
+				    einj_debug_dir, &error_param1);
+	if (!fentry)
+		goto err_cleanup;
+	fentry = debugfs_create_x64("param2", S_IRUSR | S_IWUSR,
+				    einj_debug_dir, &error_param2);
+	if (!fentry)
+		goto err_cleanup;
 	fentry = debugfs_create_file("error_inject", S_IWUSR,
 				     einj_debug_dir, NULL, &error_inject_fops);
 	if (!fentry)
@@ -452,11 +503,20 @@ static int __init einj_init(void)
 	rc = apei_exec_pre_map_gars(&ctx);
 	if (rc)
 		goto err_release;
+	param_paddr = einj_get_parameter_address();
+	if (param_paddr) {
+		einj_param = ioremap(param_paddr, sizeof(*einj_param));
+		rc = -ENOMEM;
+		if (!einj_param)
+			goto err_unmap;
+	}
 
 	pr_info(EINJ_PFX "Error INJection is initialized.\n");
 
 	return 0;
 
+err_unmap:
+	apei_exec_post_unmap_gars(&ctx);
 err_release:
 	apei_resources_release(&einj_resources);
 err_fini:
@@ -471,6 +531,8 @@ static void __exit einj_exit(void)
 {
 	struct apei_exec_context ctx;
 
+	if (einj_param)
+		iounmap(einj_param);
 	einj_exec_ctx_init(&ctx);
 	apei_exec_post_unmap_gars(&ctx);
 	apei_resources_release(&einj_resources);

From aeb834d95e771499cb0492d127aec3246d1595c8 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 27 Apr 2010 14:06:04 -0700
Subject: [PATCH 2257/3638] drivers/acpi: use kasprintf

kasprintf combines kmalloc and sprintf, and takes care of the size
calculation itself.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression a,flag;
expression list args;
statement S;
@@

  a =
-  \(kmalloc\|kzalloc\)(...,flag)
+  kasprintf(flag,args)
  <... when != a
  if (a == NULL || ...) S
  ...>
- sprintf(a,args);
// </smpl>

[akpm@linux-foundation.org: don't change handling of `count']
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/video.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index a0c93b32148..1a6b305006e 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1007,11 +1007,11 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
 		result = acpi_video_init_brightness(device);
 		if (result)
 			return;
-		name = kzalloc(MAX_NAME_LEN, GFP_KERNEL);
+		name = kasprintf(GFP_KERNEL, "acpi_video%d", count);
 		if (!name)
 			return;
+		count++;
 
-		sprintf(name, "acpi_video%d", count++);
 		memset(&props, 0, sizeof(struct backlight_properties));
 		props.max_brightness = device->brightness->count - 3;
 		device->backlight = backlight_device_register(name, NULL, device,
@@ -1067,10 +1067,10 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
 		if (device->cap._DCS && device->cap._DSS) {
 			static int count;
 			char *name;
-			name = kzalloc(MAX_NAME_LEN, GFP_KERNEL);
+			name = kasprintf(GFP_KERNEL, "acpi_video%d", count);
 			if (!name)
 				return;
-			sprintf(name, "acpi_video%d", count++);
+			count++;
 			device->output_dev = video_output_register(name,
 					NULL, device, &acpi_output_properties);
 			kfree(name);

From d6bd535d88429b4804d6d917ab4f586306f9a855 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 23:16:21 +0200
Subject: [PATCH 2258/3638] ACPI: EC: Use kmemdup

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/ec.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index f2234db85da..e61d4f8e62a 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1027,10 +1027,9 @@ int __init acpi_ec_ecdt_probe(void)
 		/* Don't trust ECDT, which comes from ASUSTek */
 		if (!EC_FLAGS_VALIDATE_ECDT)
 			goto install;
-		saved_ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
+		saved_ec = kmemdup(boot_ec, sizeof(struct acpi_ec), GFP_KERNEL);
 		if (!saved_ec)
 			return -ENOMEM;
-		memcpy(saved_ec, boot_ec, sizeof(struct acpi_ec));
 	/* fall through */
 	}
 

From 85b14a3fc4036473ec6776d8e5d92c022155d581 Mon Sep 17 00:00:00 2001
From: Naveen Krishna Ch <ch.naveen@samsung.com>
Date: Thu, 20 May 2010 11:39:52 +0900
Subject: [PATCH 2259/3638] ARM: S3C64XX: Add Touchscreen support for S3C64XX

This patch adds touchscreen support for S3C64XX.

Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ben-linux@fluff.org: minor title fix]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s3c64xx/Kconfig         |  1 +
 arch/arm/mach-s3c64xx/mach-smdk6410.c | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 69e9fbfea91..1f2f412b020 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -90,6 +90,7 @@ config MACH_SMDK6410
 	select S3C_DEV_HSMMC1
 	select S3C_DEV_I2C1
 	select S3C_DEV_FB
+	select SAMSUNG_DEV_TS
 	select S3C_DEV_USB_HOST
 	select S3C_DEV_USB_HSOTG
 	select S3C64XX_SETUP_SDHCI
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 9d51455feb3..d0c6e9bdc68 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -64,6 +64,8 @@
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <plat/adc.h>
+#include <plat/ts.h>
 
 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
@@ -262,6 +264,8 @@ static struct platform_device *smdk6410_devices[] __initdata = {
 	&smdk6410_lcd_powerdev,
 
 	&smdk6410_smsc911x,
+	&s3c_device_adc,
+	&s3c_device_ts,
 };
 
 #ifdef CONFIG_REGULATOR
@@ -596,6 +600,12 @@ static struct i2c_board_info i2c_devs1[] __initdata = {
 	{ I2C_BOARD_INFO("24c128", 0x57), },	/* Samsung S524AD0XD1 */
 };
 
+static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
+	.delay			= 10000,
+	.presc			= 49,
+	.oversampling_shift	= 2,
+};
+
 static void __init smdk6410_map_io(void)
 {
 	u32 tmp;
@@ -625,6 +635,8 @@ static void __init smdk6410_machine_init(void)
 	s3c_i2c1_set_platdata(NULL);
 	s3c_fb_set_platdata(&smdk6410_lcd_pdata);
 
+	s3c24xx_ts_set_platdata(&s3c_ts_platform);
+
 	/* configure nCS1 width to 16 bits */
 
 	cs1 = __raw_readl(S3C64XX_SROM_BW) &

From 09cae8f195c5be8d3102022c7ecd1653b3653233 Mon Sep 17 00:00:00 2001
From: Naveen Krishna Ch <ch.naveen@samsung.com>
Date: Thu, 20 May 2010 11:39:53 +0900
Subject: [PATCH 2260/3638] ARM: S5P6440: Add Touchscreen support for S5P6440

This patch adds touchscreen support for S5P6440.

Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ben-linux@fluff.org: minor header fix]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5p6440/Kconfig            |  2 ++
 arch/arm/mach-s5p6440/cpu.c              |  1 +
 arch/arm/mach-s5p6440/include/mach/map.h |  3 +++
 arch/arm/mach-s5p6440/mach-smdk6440.c    | 12 ++++++++++++
 4 files changed, 18 insertions(+)

diff --git a/arch/arm/mach-s5p6440/Kconfig b/arch/arm/mach-s5p6440/Kconfig
index 77aeffd1733..ef00cb716cb 100644
--- a/arch/arm/mach-s5p6440/Kconfig
+++ b/arch/arm/mach-s5p6440/Kconfig
@@ -16,6 +16,8 @@ config CPU_S5P6440
 config MACH_SMDK6440
 	bool "SMDK6440"
 	select CPU_S5P6440
+	select SAMSUNG_DEV_TS
+	select SAMSUNG_DEV_ADC
 	help
 	  Machine support for the Samsung SMDK6440
 
diff --git a/arch/arm/mach-s5p6440/cpu.c b/arch/arm/mach-s5p6440/cpu.c
index ca3b3206e6f..b2fe6a58155 100644
--- a/arch/arm/mach-s5p6440/cpu.c
+++ b/arch/arm/mach-s5p6440/cpu.c
@@ -61,6 +61,7 @@ static void s5p6440_idle(void)
 void __init s5p6440_map_io(void)
 {
 	/* initialize any device information early */
+	s3c_device_adc.name	= "s3c64xx-adc";
 }
 
 void __init s5p6440_init_clocks(int xtal)
diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h
index 72aedadd412..13c1ee718d3 100644
--- a/arch/arm/mach-s5p6440/include/mach/map.h
+++ b/arch/arm/mach-s5p6440/include/mach/map.h
@@ -69,8 +69,11 @@
 /* PCM */
 #define S5P6440_PA_PCM		0xF2100000
 
+#define S5P6440_PA_ADC		(0xF3000000)
+
 /* compatibiltiy defines. */
 #define S3C_PA_UART		S5P6440_PA_UART
 #define S3C_PA_IIC		S5P6440_PA_IIC0
+#define SAMSUNG_PA_ADC		S5P6440_PA_ADC
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5p6440/mach-smdk6440.c b/arch/arm/mach-s5p6440/mach-smdk6440.c
index d7fede971ca..f9948174ba4 100644
--- a/arch/arm/mach-s5p6440/mach-smdk6440.c
+++ b/arch/arm/mach-s5p6440/mach-smdk6440.c
@@ -38,6 +38,8 @@
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/pll.h>
+#include <plat/adc.h>
+#include <plat/ts.h>
 
 #define S5P6440_UCON_DEFAULT    (S3C2410_UCON_TXILEVEL |	\
 				S3C2410_UCON_RXILEVEL |		\
@@ -85,6 +87,14 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
 
 static struct platform_device *smdk6440_devices[] __initdata = {
 	&s5p6440_device_iis,
+	&s3c_device_adc,
+	&s3c_device_ts,
+};
+
+static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
+	.delay			= 10000,
+	.presc			= 49,
+	.oversampling_shift	= 2,
 };
 
 static void __init smdk6440_map_io(void)
@@ -96,6 +106,8 @@ static void __init smdk6440_map_io(void)
 
 static void __init smdk6440_machine_init(void)
 {
+	s3c24xx_ts_set_platdata(&s3c_ts_platform);
+
 	platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 }
 

From 41d8289d161e23e9cff78c914b6f37f30e627ea2 Mon Sep 17 00:00:00 2001
From: Naveen Krishna Ch <ch.naveen@samsung.com>
Date: Thu, 20 May 2010 11:39:54 +0900
Subject: [PATCH 2261/3638] ARM: S5PV210: Add Touchscreen support for S5PV210

This patch adds touchscreen support for S5PV210.

Note: TSADC in S5PV210 support 2 touchscreen interfaces,
Only 1 is implemented as of now.

Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ben-linux@fluff.org: minor title fix]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig            |  2 ++
 arch/arm/mach-s5pv210/cpu.c              |  2 ++
 arch/arm/mach-s5pv210/include/mach/map.h |  3 +++
 arch/arm/mach-s5pv210/mach-smdkv210.c    | 11 +++++++++++
 4 files changed, 18 insertions(+)

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 7601c28e240..b05988f21ec 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -25,6 +25,8 @@ config MACH_SMDKV210
 	bool "SMDKV210"
 	select CPU_S5PV210
 	select ARCH_SPARSEMEM_ENABLE
+	select SAMSUNG_DEV_ADC
+	select SAMSUNG_DEV_TS
 	help
 	  Machine support for Samsung SMDKV210
 
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index 2b776eb5d15..359bdc8f3b6 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -74,6 +74,8 @@ static void s5pv210_idle(void)
 
 void __init s5pv210_map_io(void)
 {
+	s3c_device_adc.name	= "s3c64xx-adc";
+
 	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
 }
 
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 5adcb9f26e4..e8595708305 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -75,8 +75,11 @@
 /* AC97 */
 #define S5PV210_PA_AC97		0xE2200000
 
+#define S5PV210_PA_ADC		(0xE1700000)
+
 /* compatibiltiy defines. */
 #define S3C_PA_UART		S5PV210_PA_UART
 #define S3C_PA_IIC		S5PV210_PA_IIC0
+#define SAMSUNG_PA_ADC		S5PV210_PA_ADC
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index 3c29e18528a..b92beb6831a 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -25,6 +25,8 @@
 #include <plat/s5pv210.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <plat/adc.h>
+#include <plat/ts.h>
 
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define S5PV210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
@@ -74,6 +76,14 @@ static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
 static struct platform_device *smdkv210_devices[] __initdata = {
 	&s5pv210_device_iis0,
 	&s5pv210_device_ac97,
+	&s3c_device_adc,
+	&s3c_device_ts,
+};
+
+static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
+	.delay			= 10000,
+	.presc			= 49,
+	.oversampling_shift	= 2,
 };
 
 static void __init smdkv210_map_io(void)
@@ -85,6 +95,7 @@ static void __init smdkv210_map_io(void)
 
 static void __init smdkv210_machine_init(void)
 {
+	s3c24xx_ts_set_platdata(&s3c_ts_platform);
 	platform_add_devices(smdkv210_devices, ARRAY_SIZE(smdkv210_devices));
 }
 

From 0df04f820b7ca5204329d1c235e509648fa8008d Mon Sep 17 00:00:00 2001
From: Jongpill Lee <boyko.lee@samsung.com>
Date: Mon, 17 May 2010 16:56:26 +0900
Subject: [PATCH 2262/3638] ARM: S5PV210: Add IRQ_EINT interrupt support.

Add support for external interrupts on S5PV210.

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Pannaga Bhushan <p.bhushan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ben-linux@fluff.org: Ext => IRQ_EINT in title]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig                 |   1 +
 arch/arm/mach-s5pv210/include/mach/irqs.h     |  31 +--
 .../arm/mach-s5pv210/include/mach/regs-gpio.h |  44 ++++
 arch/arm/plat-s5p/Kconfig                     |   5 +
 arch/arm/plat-s5p/Makefile                    |   2 +
 arch/arm/plat-s5p/irq-eint.c                  | 213 ++++++++++++++++++
 6 files changed, 276 insertions(+), 20 deletions(-)
 create mode 100644 arch/arm/mach-s5pv210/include/mach/regs-gpio.h
 create mode 100644 arch/arm/plat-s5p/irq-eint.c

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 7601c28e240..8b9566e0cc5 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -13,6 +13,7 @@ config CPU_S5PV210
 	bool
 	select PLAT_S5P
 	select S3C_PL330_DMA
+	select S5P_EXT_INT
 	help
 	  Enable S5PV210 CPU support
 
diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h
index 62c5175ef29..3a9e42e7734 100644
--- a/arch/arm/mach-s5pv210/include/mach/irqs.h
+++ b/arch/arm/mach-s5pv210/include/mach/irqs.h
@@ -17,22 +17,6 @@
 
 /* VIC0: System, DMA, Timer */
 
-#define IRQ_EINT0		S5P_IRQ_VIC0(0)
-#define IRQ_EINT1		S5P_IRQ_VIC0(1)
-#define IRQ_EINT2		S5P_IRQ_VIC0(2)
-#define IRQ_EINT3		S5P_IRQ_VIC0(3)
-#define IRQ_EINT4		S5P_IRQ_VIC0(4)
-#define IRQ_EINT5		S5P_IRQ_VIC0(5)
-#define IRQ_EINT6		S5P_IRQ_VIC0(6)
-#define IRQ_EINT7		S5P_IRQ_VIC0(7)
-#define IRQ_EINT8		S5P_IRQ_VIC0(8)
-#define IRQ_EINT9		S5P_IRQ_VIC0(9)
-#define IRQ_EINT10		S5P_IRQ_VIC0(10)
-#define IRQ_EINT11		S5P_IRQ_VIC0(11)
-#define IRQ_EINT12		S5P_IRQ_VIC0(12)
-#define IRQ_EINT13		S5P_IRQ_VIC0(13)
-#define IRQ_EINT14		S5P_IRQ_VIC0(14)
-#define IRQ_EINT15		S5P_IRQ_VIC0(15)
 #define IRQ_EINT16_31		S5P_IRQ_VIC0(16)
 #define IRQ_BATF		S5P_IRQ_VIC0(17)
 #define IRQ_MDMA		S5P_IRQ_VIC0(18)
@@ -134,13 +118,20 @@
 #define IRQ_MDNIE3		S5P_IRQ_VIC3(8)
 #define IRQ_VIC_END		S5P_IRQ_VIC3(31)
 
-#define S5P_IRQ_EINT_BASE	(IRQ_VIC_END + 1)
+#define S5P_EINT_16_31_BASE	(IRQ_VIC_END + 1)
 
-#define S5P_EINT(x)		((x) + S5P_IRQ_EINT_BASE)
-#define IRQ_EINT(x)		S5P_EINT(x)
+#define EINT_MODE		S3C_GPIO_SFN(0xf)
+
+#define IRQ_EINT(x)		((x) < 16 ? ((x) + S5P_IRQ_VIC0(0)) \
+					: ((x) + S5P_EINT_16_31_BASE))
 
 /* Set the default NR_IRQS */
 
-#define NR_IRQS 		(IRQ_EINT(31) + 1)
+#define NR_IRQS			(IRQ_EINT(31) + 1)
+
+#define EINT_GPIO_0(x)		S5PV210_GPH0(x)
+#define EINT_GPIO_1(x)		S5PV210_GPH1(x)
+#define EINT_GPIO_2(x)		S5PV210_GPH2(x)
+#define EINT_GPIO_3(x)		S5PV210_GPH3(x)
 
 #endif /* ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/regs-gpio.h b/arch/arm/mach-s5pv210/include/mach/regs-gpio.h
new file mode 100644
index 00000000000..6d068091c36
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/regs-gpio.h
@@ -0,0 +1,44 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/regs-gpio.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * S5PV210 - GPIO (including EINT) register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_GPIO_H
+#define __ASM_ARCH_REGS_GPIO_H __FILE__
+
+#include <mach/map.h>
+
+#define S5PV210_EINT30CON		(S5P_VA_GPIO + 0xE00)
+#define S5P_EINT_CON(x)			(S5PV210_EINT30CON + ((x) * 0x4))
+
+#define S5PV210_EINT30FLTCON0		(S5P_VA_GPIO + 0xE80)
+#define S5P_EINT_FLTCON(x)		(S5PV210_EINT30FLTCON0 + ((x) * 0x4))
+
+#define S5PV210_EINT30MASK		(S5P_VA_GPIO + 0xF00)
+#define S5P_EINT_MASK(x)		(S5PV210_EINT30MASK + ((x) * 0x4))
+
+#define S5PV210_EINT30PEND		(S5P_VA_GPIO + 0xF40)
+#define S5P_EINT_PEND(x)		(S5PV210_EINT30PEND + ((x) * 0x4))
+
+#define eint_offset(irq)	((irq) < IRQ_EINT16_31 ? ((irq) - IRQ_EINT(0)) \
+						: ((irq) - S5P_EINT_16_31_BASE))
+
+#define EINT_REG_NR(x)			(eint_offset(x) >> 3)
+
+#define eint_irq_to_bit(irq)		(1 << (eint_offset(irq) & 0x7))
+
+/* values for S5P_EXTINT0 */
+#define S5P_EXTINT_LOWLEV		(0x00)
+#define S5P_EXTINT_HILEV		(0x01)
+#define S5P_EXTINT_FALLEDGE		(0x02)
+#define S5P_EXTINT_RISEEDGE		(0x03)
+#define S5P_EXTINT_BOTHEDGE		(0x04)
+
+#endif /* __ASM_ARCH_REGS_GPIO_H */
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 92bd75607b4..c2361132d86 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -24,3 +24,8 @@ config PLAT_S5P
 	select SAMSUNG_IRQ_UART
 	help
 	  Base platform code for Samsung's S5P series SoC.
+
+config S5P_EXT_INT
+	bool
+	help
+	  Use the external interrupts (other than GPIO interrupts.)
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
index 0ec09a9c36b..25941a5d3bf 100644
--- a/arch/arm/plat-s5p/Makefile
+++ b/arch/arm/plat-s5p/Makefile
@@ -16,3 +16,5 @@ obj-y				+= dev-uart.o
 obj-y				+= cpu.o
 obj-y				+= clock.o
 obj-y				+= irq.o
+obj-$(CONFIG_S5P_EXT_INT)	+= irq-eint.o
+obj-y				+= setup-i2c0.o
diff --git a/arch/arm/plat-s5p/irq-eint.c b/arch/arm/plat-s5p/irq-eint.c
new file mode 100644
index 00000000000..eaa70aa0127
--- /dev/null
+++ b/arch/arm/plat-s5p/irq-eint.c
@@ -0,0 +1,213 @@
+/* linux/arch/arm/plat-s5p/irq-eint.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * S5P - IRQ EINT support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/gpio.h>
+
+#include <asm/hardware/vic.h>
+
+#include <plat/regs-irqtype.h>
+
+#include <mach/map.h>
+#include <plat/cpu.h>
+#include <plat/pm.h>
+
+#include <plat/gpio-cfg.h>
+#include <mach/regs-gpio.h>
+
+static inline void s5p_irq_eint_mask(unsigned int irq)
+{
+	u32 mask;
+
+	mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(irq)));
+	mask |= eint_irq_to_bit(irq);
+	__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(irq)));
+}
+
+static void s5p_irq_eint_unmask(unsigned int irq)
+{
+	u32 mask;
+
+	mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(irq)));
+	mask &= ~(eint_irq_to_bit(irq));
+	__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(irq)));
+}
+
+static inline void s5p_irq_eint_ack(unsigned int irq)
+{
+	__raw_writel(eint_irq_to_bit(irq), S5P_EINT_PEND(EINT_REG_NR(irq)));
+}
+
+static void s5p_irq_eint_maskack(unsigned int irq)
+{
+	/* compiler should in-line these */
+	s5p_irq_eint_mask(irq);
+	s5p_irq_eint_ack(irq);
+}
+
+static int s5p_irq_eint_set_type(unsigned int irq, unsigned int type)
+{
+	int offs = eint_offset(irq);
+	int shift;
+	u32 ctrl, mask;
+	u32 newvalue = 0;
+
+	switch (type) {
+	case IRQ_TYPE_EDGE_RISING:
+		newvalue = S5P_EXTINT_RISEEDGE;
+		break;
+
+	case IRQ_TYPE_EDGE_FALLING:
+		newvalue = S5P_EXTINT_RISEEDGE;
+		break;
+
+	case IRQ_TYPE_EDGE_BOTH:
+		newvalue = S5P_EXTINT_BOTHEDGE;
+		break;
+
+	case IRQ_TYPE_LEVEL_LOW:
+		newvalue = S5P_EXTINT_LOWLEV;
+		break;
+
+	case IRQ_TYPE_LEVEL_HIGH:
+		newvalue = S5P_EXTINT_HILEV;
+		break;
+
+	default:
+		printk(KERN_ERR "No such irq type %d", type);
+		return -EINVAL;
+	}
+
+	shift = (offs & 0x7) * 4;
+	mask = 0x7 << shift;
+
+	ctrl = __raw_readl(S5P_EINT_CON(EINT_REG_NR(irq)));
+	ctrl &= ~mask;
+	ctrl |= newvalue << shift;
+	__raw_writel(ctrl, S5P_EINT_CON(EINT_REG_NR(irq)));
+
+	if ((0 <= offs) && (offs < 8))
+		s3c_gpio_cfgpin(EINT_GPIO_0(offs & 0x7), EINT_MODE);
+
+	else if ((8 <= offs) && (offs < 16))
+		s3c_gpio_cfgpin(EINT_GPIO_1(offs & 0x7), EINT_MODE);
+
+	else if ((16 <= offs) && (offs < 24))
+		s3c_gpio_cfgpin(EINT_GPIO_2(offs & 0x7), EINT_MODE);
+
+	else if ((24 <= offs) && (offs < 32))
+		s3c_gpio_cfgpin(EINT_GPIO_3(offs & 0x7), EINT_MODE);
+
+	else
+		printk(KERN_ERR "No such irq number %d", offs);
+
+	return 0;
+}
+
+static struct irq_chip s5p_irq_eint = {
+	.name		= "s5p-eint",
+	.mask		= s5p_irq_eint_mask,
+	.unmask		= s5p_irq_eint_unmask,
+	.mask_ack	= s5p_irq_eint_maskack,
+	.ack		= s5p_irq_eint_ack,
+	.set_type	= s5p_irq_eint_set_type,
+#ifdef CONFIG_PM
+	.set_wake	= s3c_irqext_wake,
+#endif
+};
+
+/* s5p_irq_demux_eint
+ *
+ * This function demuxes the IRQ from the group0 external interrupts,
+ * from EINTs 16 to 31. It is designed to be inlined into the specific
+ * handler s5p_irq_demux_eintX_Y.
+ *
+ * Each EINT pend/mask registers handle eight of them.
+ */
+static inline void s5p_irq_demux_eint(unsigned int start)
+{
+	u32 status;
+	u32 mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(start)));
+	unsigned int irq;
+
+	status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
+	status &= ~mask;
+	status &= 0xff;
+
+	while (status) {
+		irq = fls(status);
+		generic_handle_irq(irq - 1 + start);
+		status &= ~(1 << irq);
+	}
+}
+
+static void s5p_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
+{
+	s5p_irq_demux_eint(IRQ_EINT(16));
+	s5p_irq_demux_eint(IRQ_EINT(24));
+}
+
+static inline void s5p_irq_vic_eint_mask(unsigned int irq)
+{
+	s5p_irq_eint_mask(irq);
+}
+
+static void s5p_irq_vic_eint_unmask(unsigned int irq)
+{
+	s5p_irq_eint_unmask(irq);
+}
+
+static inline void s5p_irq_vic_eint_ack(unsigned int irq)
+{
+	__raw_writel(eint_irq_to_bit(irq), S5P_EINT_PEND(EINT_REG_NR(irq)));
+}
+
+static void s5p_irq_vic_eint_maskack(unsigned int irq)
+{
+	s5p_irq_vic_eint_mask(irq);
+	s5p_irq_vic_eint_ack(irq);
+}
+
+static struct irq_chip s5p_irq_vic_eint = {
+	.name		= "s5p_vic_eint",
+	.mask		= s5p_irq_vic_eint_mask,
+	.unmask		= s5p_irq_vic_eint_unmask,
+	.mask_ack	= s5p_irq_vic_eint_maskack,
+	.ack		= s5p_irq_vic_eint_ack,
+	.set_type	= s5p_irq_eint_set_type,
+#ifdef CONFIG_PM
+	.set_wake	= s3c_irqext_wake,
+#endif
+};
+
+int __init s5p_init_irq_eint(void)
+{
+	int irq;
+
+	for (irq = IRQ_EINT(0); irq <= IRQ_EINT(15); irq++)
+		set_irq_chip(irq, &s5p_irq_vic_eint);
+
+	for (irq = IRQ_EINT(16); irq <= IRQ_EINT(31); irq++) {
+		set_irq_chip(irq, &s5p_irq_eint);
+		set_irq_handler(irq, handle_level_irq);
+		set_irq_flags(irq, IRQF_VALID);
+	}
+
+	set_irq_chained_handler(IRQ_EINT16_31, s5p_irq_demux_eint16_31);
+	return 0;
+}
+
+arch_initcall(s5p_init_irq_eint);

From eeb4bcb4771679d7b3446c0293334faee11b090a Mon Sep 17 00:00:00 2001
From: Kamal Mostafa <kamal@canonical.com>
Date: Sat, 1 May 2010 12:09:49 -0700
Subject: [PATCH 2263/3638] ACPI: video: fix acpi_backlight=video

Make "acpi_backlight=video" param enable ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO
as intended, instead of incorrectly enabling video output switching.

BugLink: http://bugs.launchpad.net/bugs/573120

Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: <stable@kernel.org>
Acked-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/video_detect.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index fc2f26b9b40..c5fef01b3c9 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -250,7 +250,7 @@ static int __init acpi_backlight(char *str)
 				ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR;
 		if (!strcmp("video", str))
 			acpi_video_support |=
-				ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO;
+				ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO;
 	}
 	return 1;
 }

From 08d08fadde4549c7b857fa34f3696c882ed20864 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 18 May 2010 11:30:48 +0200
Subject: [PATCH 2264/3638] ARM: SMDKC100: fix frame buffer definitions

The definition of the framebuffer parameters was created when s3c-fb.c
driver was patched to support setting the refresh rate directly (commit
600ce1a0faafeed1ce6bcfd421bc040b941cbbc1). That patch was completely wrong
and was reverted in commit eb29a5cc0b601c458bae9df2f what breaked the
framebuffer on s5pc100. This patch updates framebuffer definitions to
correct values.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/mach-smdkc100.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index bfe67db34f0..f2bce11cf28 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -118,8 +118,7 @@ static struct platform_device smdkc100_lcd_powerdev = {
 static struct s3c_fb_pd_win smdkc100_fb_win0 = {
 	/* this is to ensure we use win0 */
 	.win_mode	= {
-		.refresh	= 70,
-		.pixclock	= (8+13+3+800)*(7+5+1+480),
+		.pixclock = 1000000000000ULL / ((8+13+3+800)*(7+5+1+480)*80),
 		.left_margin	= 8,
 		.right_margin	= 13,
 		.upper_margin	= 7,

From 13e51fad8f54fdab55099ea4ebe548372c06f7f7 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 18 May 2010 11:30:49 +0200
Subject: [PATCH 2265/3638] ARM: SMDKC100: remove magic values from uart setup
 structures

This patch introduces nice defines for the initial values for UART devices
on SMDKC100.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/mach-smdkc100.c | 40 +++++++++++++++++----------
 1 file changed, 25 insertions(+), 15 deletions(-)

diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index f2bce11cf28..b6f8a58cf94 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -43,38 +43,48 @@
 #include <plat/fb.h>
 #include <plat/iic.h>
 
-#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
-#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
-#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define S5PC100_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define S5PC100_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define S5PC100_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S3C2440_UFCON_RXTRIG8 |	\
+				 S3C2440_UFCON_TXTRIG16)
 
 static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
 	[0] = {
 		.hwport	     = 0,
 		.flags	     = 0,
-		.ucon	     = 0x3c5,
-		.ulcon	     = 0x03,
-		.ufcon	     = 0x51,
+		.ucon	     = S5PC100_UCON_DEFAULT,
+		.ulcon	     = S5PC100_ULCON_DEFAULT,
+		.ufcon	     = S5PC100_UFCON_DEFAULT,
 	},
 	[1] = {
 		.hwport	     = 1,
 		.flags	     = 0,
-		.ucon	     = 0x3c5,
-		.ulcon	     = 0x03,
-		.ufcon	     = 0x51,
+		.ucon	     = S5PC100_UCON_DEFAULT,
+		.ulcon	     = S5PC100_ULCON_DEFAULT,
+		.ufcon	     = S5PC100_UFCON_DEFAULT,
 	},
 	[2] = {
 		.hwport	     = 2,
 		.flags	     = 0,
-		.ucon	     = 0x3c5,
-		.ulcon	     = 0x03,
-		.ufcon	     = 0x51,
+		.ucon	     = S5PC100_UCON_DEFAULT,
+		.ulcon	     = S5PC100_ULCON_DEFAULT,
+		.ufcon	     = S5PC100_UFCON_DEFAULT,
 	},
 	[3] = {
 		.hwport	     = 3,
 		.flags	     = 0,
-		.ucon	     = 0x3c5,
-		.ulcon	     = 0x03,
-		.ufcon	     = 0x51,
+		.ucon	     = S5PC100_UCON_DEFAULT,
+		.ulcon	     = S5PC100_ULCON_DEFAULT,
+		.ufcon	     = S5PC100_UFCON_DEFAULT,
 	},
 };
 

From d89563afeff728d556b50d0f46dc579ef5f0b528 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 20 May 2010 14:48:40 +0900
Subject: [PATCH 2266/3638] ARM: S5PV210: Remove limiting choice of machine to
 build

The arch/arm/mach-s5pv210/Kconfig had a choice entry
to choose which of the two machines to build, which is
silly since you can easily build more than one machine
at a time.

Remove the choice entry so that both machines and any
future additions can all build in harmony.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 7601c28e240..6656304301f 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -16,11 +16,6 @@ config CPU_S5PV210
 	help
 	  Enable S5PV210 CPU support
 
-choice
-	prompt "Select machine type"
-	depends on ARCH_S5PV210
-	default MACH_SMDKV210
-
 config MACH_SMDKV210
 	bool "SMDKV210"
 	select CPU_S5PV210
@@ -36,6 +31,4 @@ config MACH_SMDKC110
 	  Machine support for Samsung SMDKC110
 	  S5PC110(MCP) is one of package option of S5PV210
 
-endchoice
-
 endif

From d947e79249a165100527dd7c6b0159970d1cbc4b Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Mon, 17 May 2010 08:53:10 +0200
Subject: [PATCH 2267/3638] ARM: S5PV210: add Aquila board

Add basic support for Samsung Aquila board. This board is based
on S5PC110 SoC.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig       |   7 ++
 arch/arm/mach-s5pv210/Makefile      |   1 +
 arch/arm/mach-s5pv210/mach-aquila.c | 100 ++++++++++++++++++++++++++++
 3 files changed, 108 insertions(+)
 create mode 100644 arch/arm/mach-s5pv210/mach-aquila.c

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 6656304301f..11da9c022d3 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -16,6 +16,13 @@ config CPU_S5PV210
 	help
 	  Enable S5PV210 CPU support
 
+config MACH_AQUILA
+	bool "Samsung Aquila"
+	select CPU_S5PV210
+	select ARCH_SPARSEMEM_ENABLE
+	help
+	  Machine support for the Samsung Aquila target based on S5PC110 SoC
+
 config MACH_SMDKV210
 	bool "SMDKV210"
 	select CPU_S5PV210
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 99827813d29..ed3cb6c1b5d 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_CPU_S5PV210)	+= setup-i2c0.o
 
 # machine support
 
+obj-$(CONFIG_MACH_AQUILA)	+= mach-aquila.o
 obj-$(CONFIG_MACH_SMDKV210)	+= mach-smdkv210.o
 obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
 
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
new file mode 100644
index 00000000000..6a1db39d931
--- /dev/null
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -0,0 +1,100 @@
+/* linux/arch/arm/mach-s5pv210/mach-aquila.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
+#include <plat/regs-serial.h>
+#include <plat/s5pv210.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define S5PV210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define S5PV210_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define S5PV210_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG4 |	\
+				 S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport		= 0,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport		= 1,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport		= 2,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[3] = {
+		.hwport		= 3,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+};
+
+static struct platform_device *aquila_devices[] __initdata = {
+};
+
+static void __init aquila_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs));
+}
+
+static void __init aquila_machine_init(void)
+{
+	platform_add_devices(aquila_devices, ARRAY_SIZE(aquila_devices));
+}
+
+MACHINE_START(AQUILA, "Aquila")
+	/* Maintainers:
+	   Marek Szyprowski <m.szyprowski@samsung.com>
+	   Kyungmin Park <kyungmin.park@samsung.com> */
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= s5pv210_init_irq,
+	.map_io		= aquila_map_io,
+	.init_machine	= aquila_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END

From b315032f530c58b973ade659f3b880fcc7017e92 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Mon, 17 May 2010 08:53:13 +0200
Subject: [PATCH 2268/3638] ARM: S5PV210: add support for s3c-fb driver on
 Aquila machine

This patch adds required platform definitions to enable s3c-fb
driver. Two framebuffer windows in 480x800x16bpp mode are defined.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig       |  2 ++
 arch/arm/mach-s5pv210/mach-aquila.c | 49 +++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 11da9c022d3..430055b88f9 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -20,6 +20,8 @@ config MACH_AQUILA
 	bool "Samsung Aquila"
 	select CPU_S5PV210
 	select ARCH_SPARSEMEM_ENABLE
+	select S5PV210_SETUP_FB_24BPP
+	select S3C_DEV_FB
 	help
 	  Machine support for the Samsung Aquila target based on S5PC110 SoC
 
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 6a1db39d931..10bc76ec402 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -12,6 +12,7 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/serial_core.h>
+#include <linux/fb.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -20,11 +21,13 @@
 
 #include <mach/map.h>
 #include <mach/regs-clock.h>
+#include <mach/regs-fb.h>
 
 #include <plat/regs-serial.h>
 #include <plat/s5pv210.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <plat/fb.h>
 
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define S5PV210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
@@ -71,7 +74,50 @@ static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
 	},
 };
 
+/* Frame Buffer */
+static struct s3c_fb_pd_win aquila_fb_win0 = {
+	.win_mode = {
+		.pixclock = 1000000000000ULL / ((16+16+2+480)*(28+3+2+800)*60),
+		.left_margin = 16,
+		.right_margin = 16,
+		.upper_margin = 3,
+		.lower_margin = 28,
+		.hsync_len = 2,
+		.vsync_len = 2,
+		.xres = 480,
+		.yres = 800,
+	},
+	.max_bpp = 32,
+	.default_bpp = 16,
+};
+
+static struct s3c_fb_pd_win aquila_fb_win1 = {
+	.win_mode = {
+		.pixclock = 1000000000000ULL / ((16+16+2+480)*(28+3+2+800)*60),
+		.left_margin = 16,
+		.right_margin = 16,
+		.upper_margin = 3,
+		.lower_margin = 28,
+		.hsync_len = 2,
+		.vsync_len = 2,
+		.xres = 480,
+		.yres = 800,
+	},
+	.max_bpp = 32,
+	.default_bpp = 16,
+};
+
+static struct s3c_fb_platdata aquila_lcd_pdata __initdata = {
+	.win[0]		= &aquila_fb_win0,
+	.win[1]		= &aquila_fb_win1,
+	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
+	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
+			  VIDCON1_INV_VCLK | VIDCON1_INV_VDEN,
+	.setup_gpio	= s5pv210_fb_gpio_setup_24bpp,
+};
+
 static struct platform_device *aquila_devices[] __initdata = {
+	&s3c_device_fb,
 };
 
 static void __init aquila_map_io(void)
@@ -83,6 +129,9 @@ static void __init aquila_map_io(void)
 
 static void __init aquila_machine_init(void)
 {
+	/* FB */
+	s3c_fb_set_platdata(&aquila_lcd_pdata);
+
 	platform_add_devices(aquila_devices, ARRAY_SIZE(aquila_devices));
 }
 

From 2af716ba77d26f3d291fe7c7f5a5108d4945c69f Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 18 May 2010 12:38:45 +0200
Subject: [PATCH 2269/3638] ARM: S5PC100: Move sdhci helpers from plat-s5pc1xx
 to mach-s5pc100

Move sdhci helpers from plat-s5pc1xx to mach-s5pc100.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/Kconfig                   | 17 +++++++++++------
 arch/arm/mach-s5pc100/Makefile                  |  3 ++-
 .../setup-sdhci-gpio.c                          |  4 ++--
 arch/arm/plat-s5pc1xx/Kconfig                   |  5 -----
 arch/arm/plat-s5pc1xx/Makefile                  |  1 -
 5 files changed, 15 insertions(+), 15 deletions(-)
 rename arch/arm/{plat-s5pc1xx => mach-s5pc100}/setup-sdhci-gpio.c (95%)

diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index 8593337784e..70b57d19bc9 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -17,17 +17,22 @@ config S5PC100_SETUP_FB_24BPP
 	help
 	  Common setup code for S5PC1XX with an 24bpp RGB display helper.
 
-config S5PC100_SETUP_SDHCI
-        bool
-        select S5PC1XX_SETUP_SDHCI_GPIO
-        help
-          Internal helper functions for S5PC100 based SDHCI systems
-
 config S5PC100_SETUP_I2C1
 	bool
 	help
 	  Common setup code for i2c bus 1.
 
+config S5PC100_SETUP_SDHCI
+	bool
+	select S5PC100_SETUP_SDHCI_GPIO
+	help
+	  Internal helper functions for S5PC100 based SDHCI systems
+
+config S5PC100_SETUP_SDHCI_GPIO
+	bool
+	help
+	  Common setup code for SDHCI gpio.
+
 config MACH_SMDKC100
 	bool "SMDKC100"
 	select CPU_S5PC100
diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index 373bc546eae..9a545cad682 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -18,7 +18,8 @@ obj-$(CONFIG_CPU_S5PC100)	+= setup-i2c0.o
 
 obj-$(CONFIG_S5PC100_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
 obj-$(CONFIG_S5PC100_SETUP_I2C1)	+= setup-i2c1.o
-obj-$(CONFIG_S5PC100_SETUP_SDHCI)       += setup-sdhci.o
+obj-$(CONFIG_S5PC100_SETUP_SDHCI)	+= setup-sdhci.o
+obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
 
 # machine support
 obj-$(CONFIG_MACH_SMDKC100)	+= mach-smdkc100.o
diff --git a/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c b/arch/arm/mach-s5pc100/setup-sdhci-gpio.c
similarity index 95%
rename from arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
rename to arch/arm/mach-s5pc100/setup-sdhci-gpio.c
index 185c8941e64..7769c760c9e 100644
--- a/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
+++ b/arch/arm/mach-s5pc100/setup-sdhci-gpio.c
@@ -1,8 +1,8 @@
-/* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
+/* linux/arch/arm/plat-s5pc100/setup-sdhci-gpio.c
  *
  * Copyright 2009 Samsung Eletronics
  *
- * S5PC1XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
+ * S5PC100 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/plat-s5pc1xx/Kconfig b/arch/arm/plat-s5pc1xx/Kconfig
index c7bd2bbda23..ab58758393f 100644
--- a/arch/arm/plat-s5pc1xx/Kconfig
+++ b/arch/arm/plat-s5pc1xx/Kconfig
@@ -39,9 +39,4 @@ config CPU_S5PC100_CLOCK
 
 # platform specific device setup
 
-config S5PC1XX_SETUP_SDHCI_GPIO
-	bool
-	help
-	  Common setup code for SDHCI gpio.
-
 endif
diff --git a/arch/arm/plat-s5pc1xx/Makefile b/arch/arm/plat-s5pc1xx/Makefile
index 9ce6409a9e0..d4905432dbf 100644
--- a/arch/arm/plat-s5pc1xx/Makefile
+++ b/arch/arm/plat-s5pc1xx/Makefile
@@ -23,4 +23,3 @@ obj-$(CONFIG_CPU_S5PC100_CLOCK)	+= s5pc100-clock.o
 
 # Device setup
 
-obj-$(CONFIG_S5PC1XX_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o

From acc84707d3487735fc666fdeab76185d086428c0 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 20 May 2010 07:51:08 +0200
Subject: [PATCH 2270/3638] ARM: SAMSUNG: move S5PC100 support from
 plat-s5pc1xx to plat-s5p framework

This patch moves S5PC100 SoC support to plat-s5p framework. Most
periperal support code has been already moved from plat-s5pc1xx to
mach-s5pc100.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/Kconfig                              |   9 +-
 arch/arm/Makefile                             |   3 +-
 arch/arm/mach-s5pc100/Kconfig                 |   7 +-
 arch/arm/mach-s5pc100/Makefile                |   3 +-
 arch/arm/mach-s5pc100/cpu.c                   |  56 ++++---
 arch/arm/mach-s5pc100/gpiolib.c               |  24 +--
 .../mach-s5pc100/include/mach/debug-macro.S   |   6 +-
 .../mach-s5pc100/include/mach/entry-macro.S   |   8 +-
 arch/arm/mach-s5pc100/include/mach/irqs.h     | 101 +++++++++++-
 arch/arm/mach-s5pc100/include/mach/map.h      | 146 ++++--------------
 .../mach-s5pc100/include/mach/regs-clock.h    |   6 +
 .../arm/mach-s5pc100/include/mach/regs-gpio.h |   6 +-
 arch/arm/mach-s5pc100/include/mach/regs-irq.h |   7 +-
 arch/arm/mach-s5pc100/include/mach/system.h   |   9 +-
 arch/arm/mach-s5pc100/include/mach/tick.h     |   4 +-
 .../s5pc100-init.c => mach-s5pc100/init.c}    |   7 +-
 arch/arm/mach-s5pc100/mach-smdkc100.c         |  11 +-
 arch/arm/plat-s5p/Kconfig                     |   2 +-
 arch/arm/plat-s5p/cpu.c                       |  10 ++
 arch/arm/plat-s5p/include/plat/s5pc100.h      |  33 ++++
 arch/arm/plat-samsung/Kconfig                 |   2 +-
 21 files changed, 262 insertions(+), 198 deletions(-)
 rename arch/arm/{plat-s5pc1xx/s5pc100-init.c => mach-s5pc100/init.c} (68%)
 create mode 100644 arch/arm/plat-s5p/include/plat/s5pc100.h

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3f8718fc405..1cb098f6950 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -699,14 +699,14 @@ config ARCH_S5P6442
 	help
 	  Samsung S5P6442 CPU based systems
 
-config ARCH_S5PC1XX
-	bool "Samsung S5PC1XX"
+config ARCH_S5PC100
+	bool "Samsung S5PC100"
 	select GENERIC_GPIO
 	select HAVE_CLK
 	select CPU_V7
 	select ARM_L1_CACHE_SHIFT_6
 	help
-	  Samsung S5PC1XX series based systems
+	  Samsung S5PC100 series based systems
 
 config ARCH_S5PV210
 	bool "Samsung S5PV210/S5PC110"
@@ -890,7 +890,6 @@ source "arch/arm/mach-sa1100/Kconfig"
 source "arch/arm/plat-samsung/Kconfig"
 source "arch/arm/plat-s3c24xx/Kconfig"
 source "arch/arm/plat-s5p/Kconfig"
-source "arch/arm/plat-s5pc1xx/Kconfig"
 
 if ARCH_S3C2410
 source "arch/arm/mach-s3c2400/Kconfig"
@@ -909,9 +908,7 @@ source "arch/arm/mach-s5p6440/Kconfig"
 
 source "arch/arm/mach-s5p6442/Kconfig"
 
-if ARCH_S5PC1XX
 source "arch/arm/mach-s5pc100/Kconfig"
-endif
 
 source "arch/arm/mach-s5pv210/Kconfig"
 
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 9505a70bfc0..f7cb6d49548 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -167,7 +167,7 @@ machine-$(CONFIG_ARCH_S3C24A0)		:= s3c24a0
 machine-$(CONFIG_ARCH_S3C64XX)		:= s3c64xx
 machine-$(CONFIG_ARCH_S5P6440)		:= s5p6440
 machine-$(CONFIG_ARCH_S5P6442)		:= s5p6442
-machine-$(CONFIG_ARCH_S5PC1XX)		:= s5pc100
+machine-$(CONFIG_ARCH_S5PC100)		:= s5pc100
 machine-$(CONFIG_ARCH_S5PV210)		:= s5pv210
 machine-$(CONFIG_ARCH_SA1100)		:= sa1100
 machine-$(CONFIG_ARCH_SHARK)		:= shark
@@ -192,7 +192,6 @@ plat-$(CONFIG_PLAT_NOMADIK)	:= nomadik
 plat-$(CONFIG_PLAT_ORION)	:= orion
 plat-$(CONFIG_PLAT_PXA)		:= pxa
 plat-$(CONFIG_PLAT_S3C24XX)	:= s3c24xx samsung
-plat-$(CONFIG_PLAT_S5PC1XX)	:= s5pc1xx samsung
 plat-$(CONFIG_PLAT_S5P)		:= s5p samsung
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)
diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index 70b57d19bc9..fe1216b0ed5 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -5,10 +5,11 @@
 
 # Configuration options for the S5PC100 CPU
 
+if ARCH_S5PC100
+
 config CPU_S5PC100
 	bool
-	select CPU_S5PC100_INIT
-	select CPU_S5PC100_CLOCK
+	select PLAT_S5P
 	help
 	  Enable S5PC100 CPU support
 
@@ -46,3 +47,5 @@ config MACH_SMDKC100
 	select S5PC100_SETUP_SDHCI
 	help
 	  Machine support for the Samsung SMDKC100
+
+endif
diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index 9a545cad682..9b52d2af013 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -11,7 +11,7 @@ obj-				:=
 
 # Core support for S5PC100 system
 
-obj-$(CONFIG_CPU_S5PC100)	+= cpu.o gpiolib.o
+obj-$(CONFIG_CPU_S5PC100)	+= cpu.o init.o clock.o gpiolib.o
 obj-$(CONFIG_CPU_S5PC100)	+= setup-i2c0.o
 
 # Helper and device support
@@ -22,4 +22,5 @@ obj-$(CONFIG_S5PC100_SETUP_SDHCI)	+= setup-sdhci.o
 obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
 
 # machine support
+
 obj-$(CONFIG_MACH_SMDKC100)	+= mach-smdkc100.o
diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c
index d79e7574a85..d424a9fda03 100644
--- a/arch/arm/mach-s5pc100/cpu.c
+++ b/arch/arm/mach-s5pc100/cpu.c
@@ -22,47 +22,53 @@
 #include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
-#include <asm/proc-fns.h>
-
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
+#include <asm/proc-fns.h>
+
 #include <mach/hardware.h>
 #include <mach/map.h>
 #include <asm/irq.h>
 
-#include <plat/cpu-freq.h>
 #include <plat/regs-serial.h>
-#include <plat/regs-power.h>
+#include <mach/regs-clock.h>
 
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/clock.h>
-#include <plat/sdhci.h>
 #include <plat/iic-core.h>
+#include <plat/sdhci.h>
 #include <plat/s5pc100.h>
 
 /* Initial IO mappings */
 
 static struct map_desc s5pc100_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
+		.pfn		= __phys_to_pfn(S5PC100_PA_SYSTIMER),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC2,
+		.pfn		= __phys_to_pfn(S5PC100_PA_VIC2),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5PC100_VA_OTHERS,
+		.pfn		= __phys_to_pfn(S5PC100_PA_OTHERS),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}
 };
 
 static void s5pc100_idle(void)
 {
-	unsigned long tmp;
+	if (!need_resched())
+		cpu_do_idle();
 
-	tmp = __raw_readl(S5PC100_PWR_CFG);
-	tmp &= ~S5PC100_PWRCFG_CFG_DEEP_IDLE;
-	tmp &= ~S5PC100_PWRCFG_CFG_WFI_MASK;
-	tmp |= S5PC100_PWRCFG_CFG_WFI_DEEP_IDLE;
-	__raw_writel(tmp, S5PC100_PWR_CFG);
-
-	tmp = __raw_readl(S5PC100_OTHERS);
-	tmp |= S5PC100_PMU_INT_DISABLE;
-	__raw_writel(tmp, S5PC100_OTHERS);
-
-	cpu_do_idle();
+	local_irq_enable();
 }
 
 /* s5pc100_map_io
@@ -86,22 +92,23 @@ void __init s5pc100_map_io(void)
 
 void __init s5pc100_init_clocks(int xtal)
 {
-	printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
+	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
 	s3c24xx_register_baseclocks(xtal);
-	s5pc1xx_register_clocks();
+	s5p_register_clocks(xtal);
 	s5pc100_register_clocks();
 	s5pc100_setup_clocks();
 }
 
 void __init s5pc100_init_irq(void)
 {
-	u32 vic_valid[] = {~0, ~0, ~0};
+	u32 vic[] = {~0, ~0, ~0};
 
 	/* VIC0, VIC1, and VIC2 are fully populated. */
-	s5pc1xx_init_irq(vic_valid, ARRAY_SIZE(vic_valid));
+	s5p_init_irq(vic, ARRAY_SIZE(vic));
 }
 
-struct sysdev_class s5pc100_sysclass = {
+static struct sysdev_class s5pc100_sysclass = {
 	.name	= "s5pc100-core",
 };
 
@@ -118,9 +125,10 @@ core_initcall(s5pc100_core_init);
 
 int __init s5pc100_init(void)
 {
-	printk(KERN_DEBUG "S5PC100: Initialising architecture\n");
+	printk(KERN_INFO "S5PC100: Initializing architecture\n");
 
-	s5pc1xx_idle = s5pc100_idle;
+	/* set idle function */
+	pm_idle = s5pc100_idle;
 
 	return sysdev_register(&s5pc100_sysdev);
 }
diff --git a/arch/arm/mach-s5pc100/gpiolib.c b/arch/arm/mach-s5pc100/gpiolib.c
index c8e8336a3a1..494a53b1047 100644
--- a/arch/arm/mach-s5pc100/gpiolib.c
+++ b/arch/arm/mach-s5pc100/gpiolib.c
@@ -1,10 +1,10 @@
 /*
- * arch/arm/plat-s5pc1xx/gpiolib.c
+ * arch/arm/plat-s5pc100/gpiolib.c
  *
  *  Copyright 2009 Samsung Electronics Co
  *  Kyungmin Park <kyungmin.park@samsung.com>
  *
- * S5PC1XX - GPIOlib support
+ * S5PC100 - GPIOlib support
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -62,12 +62,12 @@
  */
 
 #if 0
-static int s5pc1xx_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset)
+static int s5pc100_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset)
 {
 	return S3C_IRQ_GPIO(chip->base + offset);
 }
 
-static int s5pc1xx_gpiolib_to_eint(struct gpio_chip *chip, unsigned int offset)
+static int s5pc100_gpiolib_to_eint(struct gpio_chip *chip, unsigned int offset)
 {
 	int base;
 
@@ -382,8 +382,8 @@ static struct s3c_gpio_chip s5pc100_gpio_chips[] = {
 };
 
 /* FIXME move from irq-gpio.c */
-extern struct irq_chip s5pc1xx_gpioint;
-extern void s5pc1xx_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc);
+extern struct irq_chip s5pc100_gpioint;
+extern void s5pc100_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc);
 
 static __init void s5pc100_gpiolib_link(struct s3c_gpio_chip *chip)
 {
@@ -392,21 +392,21 @@ static __init void s5pc100_gpiolib_link(struct s3c_gpio_chip *chip)
 	if (chip->config == &gpio_cfg) {
 		int i, irq;
 
-		chip->chip.to_irq = s5pc1xx_gpiolib_to_irq;
+		chip->chip.to_irq = s5pc100_gpiolib_to_irq;
 
 		for (i = 0;  i < chip->chip.ngpio; i++) {
 			irq = S3C_IRQ_GPIO_BASE + chip->chip.base + i;
-			set_irq_chip(irq, &s5pc1xx_gpioint);
+			set_irq_chip(irq, &s5pc100_gpioint);
 			set_irq_data(irq, &chip->chip);
 			set_irq_handler(irq, handle_level_irq);
 			set_irq_flags(irq, IRQF_VALID);
 		}
 	} else if (chip->config == &gpio_cfg_eint)
-		chip->chip.to_irq = s5pc1xx_gpiolib_to_eint;
+		chip->chip.to_irq = s5pc100_gpiolib_to_eint;
 #endif
 }
 
-static __init int s5pc1xx_gpiolib_init(void)
+static __init int s5pc100_gpiolib_init(void)
 {
 	struct s3c_gpio_chip *chip;
 	int nr_chips;
@@ -421,8 +421,8 @@ static __init int s5pc1xx_gpiolib_init(void)
 				       ARRAY_SIZE(s5pc100_gpio_chips));
 #if 0
 	/* Interrupt */
-	set_irq_chained_handler(IRQ_GPIOINT, s5pc1xx_irq_gpioint_handler);
+	set_irq_chained_handler(IRQ_GPIOINT, s5pc100_irq_gpioint_handler);
 #endif
 	return 0;
 }
-core_initcall(s5pc1xx_gpiolib_init);
+core_initcall(s5pc100_gpiolib_init);
diff --git a/arch/arm/mach-s5pc100/include/mach/debug-macro.S b/arch/arm/mach-s5pc100/include/mach/debug-macro.S
index e181f578948..70e02e91ee3 100644
--- a/arch/arm/mach-s5pc100/include/mach/debug-macro.S
+++ b/arch/arm/mach-s5pc100/include/mach/debug-macro.S
@@ -22,12 +22,14 @@
 	 * aligned and add in the offset when we load the value here.
 	 */
 
-	.macro addruart, rx, tmp
+	.macro addruart, rx, rtmp
 		mrc	p15, 0, \rx, c1, c0
 		tst	\rx, #1
 		ldreq	\rx, = S3C_PA_UART
-		ldrne	\rx, = (S3C_VA_UART + S3C_PA_UART & 0xfffff)
+		ldrne	\rx, = S3C_VA_UART
+#if CONFIG_DEBUG_S3C_UART != 0
 		add	\rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
+#endif
 	.endm
 
 /* include the reset of the code which will do the work, we're only
diff --git a/arch/arm/mach-s5pc100/include/mach/entry-macro.S b/arch/arm/mach-s5pc100/include/mach/entry-macro.S
index 67131939e62..ba76af052c8 100644
--- a/arch/arm/mach-s5pc100/include/mach/entry-macro.S
+++ b/arch/arm/mach-s5pc100/include/mach/entry-macro.S
@@ -20,7 +20,7 @@
 	.endm
 
 	.macro	get_irqnr_preamble, base, tmp
-	ldr	\base, =S3C_VA_VIC0
+	ldr	\base, =VA_VIC0
 	.endm
 
 	.macro	arch_ret_to_user, tmp1, tmp2
@@ -29,18 +29,18 @@
 	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
 
 	@ check the vic0
-	mov	\irqnr, # S3C_IRQ_OFFSET + 31
+	mov	\irqnr, # S5P_IRQ_OFFSET + 31
 	ldr	\irqstat, [ \base, # VIC_IRQ_STATUS ]
 	teq	\irqstat, #0
 
 	@ otherwise try vic1
-	addeq	\tmp, \base, #(S3C_VA_VIC1 - S3C_VA_VIC0)
+	addeq	\tmp, \base, #(VA_VIC1 - VA_VIC0)
 	addeq	\irqnr, \irqnr, #32
 	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
 	teqeq	\irqstat, #0
 
 	@ otherwise try vic2
-	addeq	\tmp, \base, #(S3C_VA_VIC2 - S3C_VA_VIC0)
+	addeq	\tmp, \base, #(VA_VIC2 - VA_VIC0)
 	addeq	\irqnr, \irqnr, #32
 	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
 	teqeq	\irqstat, #0
diff --git a/arch/arm/mach-s5pc100/include/mach/irqs.h b/arch/arm/mach-s5pc100/include/mach/irqs.h
index b53fa48a52c..84c74acaa63 100644
--- a/arch/arm/mach-s5pc100/include/mach/irqs.h
+++ b/arch/arm/mach-s5pc100/include/mach/irqs.h
@@ -11,9 +11,106 @@
 
 #include <plat/irqs.h>
 
-/* LCD */
+/* VIC0: system, DMA, timer */
+#define IRQ_EINT16_31		S5P_IRQ_VIC0(16)
+#define IRQ_BATF		S5P_IRQ_VIC0(17)
+#define IRQ_MDMA		S5P_IRQ_VIC0(18)
+#define IRQ_PDMA0		S5P_IRQ_VIC0(19)
+#define IRQ_PDMA1		S5P_IRQ_VIC0(20)
+#define IRQ_TIMER0_VIC		S5P_IRQ_VIC0(21)
+#define IRQ_TIMER1_VIC		S5P_IRQ_VIC0(22)
+#define IRQ_TIMER2_VIC		S5P_IRQ_VIC0(23)
+#define IRQ_TIMER3_VIC		S5P_IRQ_VIC0(24)
+#define IRQ_TIMER4_VIC		S5P_IRQ_VIC0(25)
+#define IRQ_SYSTIMER		S5P_IRQ_VIC0(26)
+#define IRQ_WDT			S5P_IRQ_VIC0(27)
+#define IRQ_RTC_ALARM		S5P_IRQ_VIC0(28)
+#define IRQ_RTC_TIC		S5P_IRQ_VIC0(29)
+#define IRQ_GPIOINT		S5P_IRQ_VIC0(30)
+
+/* VIC1: ARM, power, memory, connectivity */
+#define IRQ_CORTEX0		S5P_IRQ_VIC1(0)
+#define IRQ_CORTEX1		S5P_IRQ_VIC1(1)
+#define IRQ_CORTEX2		S5P_IRQ_VIC1(2)
+#define IRQ_CORTEX3		S5P_IRQ_VIC1(3)
+#define IRQ_CORTEX4		S5P_IRQ_VIC1(4)
+#define IRQ_IEMAPC		S5P_IRQ_VIC1(5)
+#define IRQ_IEMIEC		S5P_IRQ_VIC1(6)
+#define IRQ_ONENAND		S5P_IRQ_VIC1(7)
+#define IRQ_NFC			S5P_IRQ_VIC1(8)
+#define IRQ_CFC			S5P_IRQ_VIC1(9)
+#define IRQ_UART0		S5P_IRQ_VIC1(10)
+#define IRQ_UART1		S5P_IRQ_VIC1(11)
+#define IRQ_UART2		S5P_IRQ_VIC1(12)
+#define IRQ_UART3		S5P_IRQ_VIC1(13)
+#define IRQ_IIC			S5P_IRQ_VIC1(14)
+#define IRQ_SPI0		S5P_IRQ_VIC1(15)
+#define IRQ_SPI1		S5P_IRQ_VIC1(16)
+#define IRQ_SPI2		S5P_IRQ_VIC1(17)
+#define IRQ_IRDA		S5P_IRQ_VIC1(18)
+#define IRQ_CAN0		S5P_IRQ_VIC1(19)
+#define IRQ_CAN1		S5P_IRQ_VIC1(20)
+#define IRQ_HSIRX		S5P_IRQ_VIC1(21)
+#define IRQ_HSITX		S5P_IRQ_VIC1(22)
+#define IRQ_UHOST		S5P_IRQ_VIC1(23)
+#define IRQ_OTG			S5P_IRQ_VIC1(24)
+#define IRQ_MSM			S5P_IRQ_VIC1(25)
+#define IRQ_HSMMC0		S5P_IRQ_VIC1(26)
+#define IRQ_HSMMC1		S5P_IRQ_VIC1(27)
+#define IRQ_HSMMC2		S5P_IRQ_VIC1(28)
+#define IRQ_MIPICSI		S5P_IRQ_VIC1(29)
+#define IRQ_MIPIDSI		S5P_IRQ_VIC1(30)
+
+/* VIC2: multimedia, audio, security */
+#define IRQ_LCD0		S5P_IRQ_VIC2(0)
+#define IRQ_LCD1		S5P_IRQ_VIC2(1)
+#define IRQ_LCD2		S5P_IRQ_VIC2(2)
+#define IRQ_LCD3		S5P_IRQ_VIC2(3)
+#define IRQ_ROTATOR		S5P_IRQ_VIC2(4)
+#define IRQ_FIMC0		S5P_IRQ_VIC2(5)
+#define IRQ_FIMC1		S5P_IRQ_VIC2(6)
+#define IRQ_FIMC2		S5P_IRQ_VIC2(7)
+#define IRQ_JPEG		S5P_IRQ_VIC2(8)
+#define IRQ_2D			S5P_IRQ_VIC2(9)
+#define IRQ_3D			S5P_IRQ_VIC2(10)
+#define IRQ_MIXER		S5P_IRQ_VIC2(11)
+#define IRQ_HDMI		S5P_IRQ_VIC2(12)
+#define IRQ_IIC1		S5P_IRQ_VIC2(13)
+#define IRQ_MFC			S5P_IRQ_VIC2(14)
+#define IRQ_TVENC		S5P_IRQ_VIC2(15)
+#define IRQ_I2S0		S5P_IRQ_VIC2(16)
+#define IRQ_I2S1		S5P_IRQ_VIC2(17)
+#define IRQ_I2S2		S5P_IRQ_VIC2(18)
+#define IRQ_AC97		S5P_IRQ_VIC2(19)
+#define IRQ_PCM0		S5P_IRQ_VIC2(20)
+#define IRQ_PCM1		S5P_IRQ_VIC2(21)
+#define IRQ_SPDIF		S5P_IRQ_VIC2(22)
+#define IRQ_ADC			S5P_IRQ_VIC2(23)
+#define IRQ_PENDN		S5P_IRQ_VIC2(24)
+#define IRQ_TC			IRQ_PENDN
+#define IRQ_KEYPAD		S5P_IRQ_VIC2(25)
+#define IRQ_CG			S5P_IRQ_VIC2(26)
+#define IRQ_SEC			S5P_IRQ_VIC2(27)
+#define IRQ_SECRX		S5P_IRQ_VIC2(28)
+#define IRQ_SECTX		S5P_IRQ_VIC2(29)
+#define IRQ_SDMIRQ		S5P_IRQ_VIC2(30)
+#define IRQ_SDMFIQ		S5P_IRQ_VIC2(31)
+#define IRQ_VIC_END		S5P_IRQ_VIC2(31)
+
+#define S5P_IRQ_EINT_BASE	(IRQ_VIC_END + 1)
+
+#define IRQ_EINT(x)             ((x) < 16 ? S5P_IRQ_VIC0(x) : \
+					(S5P_IRQ_EINT_BASE + (x)-16))
+
+#define S3C_IRQ_GPIO_BASE	(IRQ_EINT(31) + 1)
+#define S3C_IRQ_GPIO(x)		(S3C_IRQ_GPIO_BASE + (x))
+
+/* Until MP04 Groups -> 40 (exactly 39) Groups * 8 ~= 320 GPIOs */
+#define NR_IRQS		(S3C_IRQ_GPIO(320) + 1)
+
+/* Compatibility */
 #define IRQ_LCD_FIFO		IRQ_LCD0
 #define IRQ_LCD_VSYNC		IRQ_LCD1
 #define IRQ_LCD_SYSTEM		IRQ_LCD2
 
-#endif /* __ASM_ARCH_IRQ_H */
+#endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
index 4681ebe8bef..6428f489820 100644
--- a/arch/arm/mach-s5pc100/include/mach/map.h
+++ b/arch/arm/mach-s5pc100/include/mach/map.h
@@ -3,9 +3,7 @@
  * Copyright 2009 Samsung Electronics Co.
  *	Byungho Min <bhmin@samsung.com>
  *
- * Based on mach-s3c6400/include/mach/map.h
- *
- * S5PC1XX - Memory map definitions
+ * S5PC100 - Memory map definitions
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -16,135 +14,59 @@
 #define __ASM_ARCH_MAP_H __FILE__
 
 #include <plat/map-base.h>
+#include <plat/map-s5p.h>
 
-/*
- * map-base.h has already defined virtual memory address
- * S3C_VA_IRQ		S3C_ADDR(0x00000000)	irq controller(s)
- * S3C_VA_SYS		S3C_ADDR(0x00100000)	system control
- * S3C_VA_MEM		S3C_ADDR(0x00200000)	system control (not used)
- * S3C_VA_TIMER		S3C_ADDR(0x00300000)	timer block
- * S3C_VA_WATCHDOG	S3C_ADDR(0x00400000)	watchdog
- * S3C_VA_UART		S3C_ADDR(0x01000000)	UART
- *
- * S5PC100 specific virtual memory address can be defined here
- * S5PC1XX_VA_GPIO	S3C_ADDR(0x00500000)	GPIO
- *
- */
-
-/* Chip ID */
 #define S5PC100_PA_CHIPID	(0xE0000000)
-#define S5PC1XX_PA_CHIPID	S5PC100_PA_CHIPID
-#define S5PC1XX_VA_CHIPID	S3C_VA_SYS
+#define S5P_PA_CHIPID		S5PC100_PA_CHIPID
 
-/* System */
-#define S5PC100_PA_CLK		(0xE0100000)
-#define S5PC100_PA_CLK_OTHER	(0xE0200000)
-#define S5PC100_PA_PWR		(0xE0108000)
-#define S5PC1XX_PA_CLK		S5PC100_PA_CLK
-#define S5PC1XX_PA_PWR		S5PC100_PA_PWR
-#define S5PC1XX_PA_CLK_OTHER	S5PC100_PA_CLK_OTHER
-#define S5PC1XX_VA_CLK		(S3C_VA_SYS + 0x10000)
-#define S5PC1XX_VA_PWR		(S3C_VA_SYS + 0x20000)
-#define S5PC1XX_VA_CLK_OTHER	(S3C_VA_SYS + 0x30000)
+#define S5PC100_PA_SYSCON	(0xE0100000)
+#define S5P_PA_SYSCON		S5PC100_PA_SYSCON
+
+#define S5PC100_PA_OTHERS	(0xE0200000)
+#define S5PC100_VA_OTHERS	(S3C_VA_SYS + 0x10000)
 
-/* GPIO */
 #define S5PC100_PA_GPIO		(0xE0300000)
-#define S5PC1XX_PA_GPIO		S5PC100_PA_GPIO
-#define S5PC1XX_VA_GPIO		S3C_ADDR(0x00500000)
+#define S5P_PA_GPIO		S5PC100_PA_GPIO
 
-/* Interrupt */
-#define S5PC100_PA_VIC		(0xE4000000)
-#define S5PC100_VA_VIC		S3C_VA_IRQ
-#define S5PC100_PA_VIC_OFFSET	0x100000
-#define S5PC100_VA_VIC_OFFSET	0x10000
-#define S5PC1XX_PA_VIC(x)	(S5PC100_PA_VIC + ((x) * S5PC100_PA_VIC_OFFSET))
-#define S5PC1XX_VA_VIC(x)	(S5PC100_VA_VIC + ((x) * S5PC100_VA_VIC_OFFSET))
+#define S5PC100_PA_VIC0		(0xE4000000)
+#define S5P_PA_VIC0		S5PC100_PA_VIC0
 
-/* DMA */
-#define S5PC100_PA_MDMA		(0xE8100000)
-#define S5PC100_PA_PDMA0	(0xE9000000)
-#define S5PC100_PA_PDMA1	(0xE9200000)
+#define S5PC100_PA_VIC1		(0xE4100000)
+#define S5P_PA_VIC1		S5PC100_PA_VIC1
+
+#define S5PC100_PA_VIC2		(0xE4200000)
+#define S5P_PA_VIC2		S5PC100_PA_VIC2
 
-/* Timer */
 #define S5PC100_PA_TIMER	(0xEA000000)
-#define S5PC1XX_PA_TIMER	S5PC100_PA_TIMER
-#define S5PC1XX_VA_TIMER	S3C_VA_TIMER
+#define S5P_PA_TIMER		S5PC100_PA_TIMER
 
-/* RTC */
-#define S5PC100_PA_RTC		(0xEA300000)
+#define S5PC100_PA_SYSTIMER	(0xEA100000)
 
-/* UART */
 #define S5PC100_PA_UART		(0xEC000000)
-#define S5PC1XX_PA_UART		S5PC100_PA_UART
-#define S5PC1XX_VA_UART		S3C_VA_UART
 
-/* I2C */
-#define S5PC100_PA_I2C		(0xEC100000)
-#define S5PC100_PA_I2C1		(0xEC200000)
+#define S5P_PA_UART0		(S5PC100_PA_UART + 0x0)
+#define S5P_PA_UART1		(S5PC100_PA_UART + 0x400)
+#define S5P_PA_UART2		(S5PC100_PA_UART + 0x800)
+#define S5P_PA_UART3		(S5PC100_PA_UART + 0xC00)
+#define S5P_SZ_UART		SZ_256
 
-/* USB HS OTG */
-#define S5PC100_PA_USB_HSOTG	(0xED200000)
-#define S5PC100_PA_USB_HSPHY	(0xED300000)
+#define S5PC100_PA_IIC0		(0xEC100000)
+#define S5PC100_PA_IIC1		(0xEC200000)
 
-/* SD/MMC */
-#define S5PC100_PA_HSMMC(x)	(0xED800000 + ((x) * 0x100000))
-#define S5PC100_PA_HSMMC0	S5PC100_PA_HSMMC(0)
-#define S5PC100_PA_HSMMC1	S5PC100_PA_HSMMC(1)
-#define S5PC100_PA_HSMMC2	S5PC100_PA_HSMMC(2)
-
-/* LCD */
 #define S5PC100_PA_FB		(0xEE000000)
 
-/* Multimedia */
-#define S5PC100_PA_G2D		(0xEE800000)
-#define S5PC100_PA_JPEG		(0xEE500000)
-#define S5PC100_PA_ROTATOR	(0xEE100000)
-#define S5PC100_PA_G3D		(0xEF000000)
+#define S5PC100_PA_HSMMC(x)	(0xED800000 + ((x) * 0x100000))
 
-/* I2S */
-#define S5PC100_PA_I2S0		(0xF2000000)
-#define S5PC100_PA_I2S1		(0xF2100000)
-#define S5PC100_PA_I2S2		(0xF2200000)
-
-/* KEYPAD */
-#define S5PC100_PA_KEYPAD	(0xF3100000)
-
-/* ADC & TouchScreen */
-#define S5PC100_PA_TSADC	(0xF3000000)
-
-/* ETC */
 #define S5PC100_PA_SDRAM	(0x20000000)
-#define S5PC1XX_PA_SDRAM	S5PC100_PA_SDRAM
+#define S5P_PA_SDRAM		S5PC100_PA_SDRAM
 
-/* compatibility defines. */
-#define S3C_PA_RTC		S5PC100_PA_RTC
+/* compatibiltiy defines. */
 #define S3C_PA_UART		S5PC100_PA_UART
-#define S3C_PA_UART0		(S5PC100_PA_UART + 0x0)
-#define S3C_PA_UART1		(S5PC100_PA_UART + 0x400)
-#define S3C_PA_UART2		(S5PC100_PA_UART + 0x800)
-#define S3C_PA_UART3		(S5PC100_PA_UART + 0xC00)
-#define S3C_VA_UART0		(S3C_VA_UART + 0x0)
-#define S3C_VA_UART1		(S3C_VA_UART + 0x400)
-#define S3C_VA_UART2		(S3C_VA_UART + 0x800)
-#define S3C_VA_UART3		(S3C_VA_UART + 0xC00)
-#define S3C_UART_OFFSET		0x400
-#define S3C_VA_UARTx(x)		(S3C_VA_UART + ((x) * S3C_UART_OFFSET))
+#define S3C_PA_IIC		S5PC100_PA_IIC0
+#define S3C_PA_IIC1		S5PC100_PA_IIC1
 #define S3C_PA_FB		S5PC100_PA_FB
-#define S3C_PA_G2D		S5PC100_PA_G2D
-#define S3C_PA_G3D		S5PC100_PA_G3D
-#define S3C_PA_JPEG		S5PC100_PA_JPEG
-#define S3C_PA_ROTATOR		S5PC100_PA_ROTATOR
-#define S3C_VA_VIC0		(S3C_VA_IRQ + 0x0)
-#define S3C_VA_VIC1		(S3C_VA_IRQ + 0x10000)
-#define S3C_VA_VIC2		(S3C_VA_IRQ + 0x20000)
-#define S3C_PA_IIC		S5PC100_PA_I2C
-#define S3C_PA_IIC1		S5PC100_PA_I2C1
-#define S3C_PA_USB_HSOTG	S5PC100_PA_USB_HSOTG
-#define S3C_PA_USB_HSPHY	S5PC100_PA_USB_HSPHY
-#define S3C_PA_HSMMC0		S5PC100_PA_HSMMC0
-#define S3C_PA_HSMMC1		S5PC100_PA_HSMMC1
-#define S3C_PA_HSMMC2		S5PC100_PA_HSMMC2
-#define S3C_PA_KEYPAD		S5PC100_PA_KEYPAD
-#define S3C_PA_TSADC		S5PC100_PA_TSADC
+#define S3C_PA_HSMMC0		S5PC100_PA_HSMMC(0)
+#define S3C_PA_HSMMC1		S5PC100_PA_HSMMC(1)
+#define S3C_PA_HSMMC2		S5PC100_PA_HSMMC(2)
 
-#endif /* __ASM_ARCH_C100_MAP_H */
+#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/regs-clock.h b/arch/arm/mach-s5pc100/include/mach/regs-clock.h
index f2283bdc941..5d27d286d50 100644
--- a/arch/arm/mach-s5pc100/include/mach/regs-clock.h
+++ b/arch/arm/mach-s5pc100/include/mach/regs-clock.h
@@ -17,6 +17,8 @@
 
 #define S5P_CLKREG(x)		(S3C_VA_SYS + (x))
 
+#define S5PC100_REG_OTHERS(x)	(S5PC100_VA_OTHERS + (x))
+
 #define S5P_APLL_LOCK		S5P_CLKREG(0x00)
 #define S5P_MPLL_LOCK		S5P_CLKREG(0x04)
 #define S5P_EPLL_LOCK		S5P_CLKREG(0x08)
@@ -68,4 +70,8 @@
 #define S5P_CLKDIV1_PCLKD1_MASK		(0x7<<16)
 #define S5P_CLKDIV1_PCLKD1_SHIFT	(16)
 
+#define S5PC100_SWRESET		S5PC100_REG_OTHERS(0x000)
+
+#define S5PC100_SWRESET_RESETVAL	0xc100
+
 #endif /* __ASM_ARCH_REGS_CLOCK_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/regs-gpio.h b/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
index 68666913354..cd6200adabc 100644
--- a/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
+++ b/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h
+/* linux/arch/arm/plat-s5pc100/include/plat/regs-gpio.h
  *
  * Copyright 2009 Samsung Electronics Co.
  *      Byungho Min <bhmin@samsung.com>
@@ -12,7 +12,7 @@
 #include <mach/map.h>
 
 /* S5PC100 */
-#define S5PC100_GPIO_BASE	S5PC1XX_VA_GPIO
+#define S5PC100_GPIO_BASE	S5P_VA_GPIO
 #define S5PC100_GPA0_BASE	(S5PC100_GPIO_BASE + 0x0000)
 #define S5PC100_GPA1_BASE	(S5PC100_GPIO_BASE + 0x0020)
 #define S5PC100_GPB_BASE	(S5PC100_GPIO_BASE + 0x0040)
@@ -60,7 +60,7 @@
 
 /* Common part */
 /* External interrupt base is same at both s5pc100 and s5pc110 */
-#define S5PC1XX_EINT_BASE	(S5PC100_EINT_BASE)
+#define S5P_EINT_BASE			(S5PC100_EINT_BASE)
 
 #define S5PC100_GPx_INPUT(__gpio)	(0x0 << ((__gpio) * 4))
 #define S5PC100_GPx_OUTPUT(__gpio)	(0x1 << ((__gpio) * 4))
diff --git a/arch/arm/mach-s5pc100/include/mach/regs-irq.h b/arch/arm/mach-s5pc100/include/mach/regs-irq.h
index 751ac15438c..4d9036d0f28 100644
--- a/arch/arm/mach-s5pc100/include/mach/regs-irq.h
+++ b/arch/arm/mach-s5pc100/include/mach/regs-irq.h
@@ -3,7 +3,7 @@
  * Copyright 2009 Samsung Electronics Co.
  *	Byungho Min <bhmin@samsung.com>
  *
- * S5PC1XX - IRQ register definitions
+ * S5PC100 - IRQ register definitions
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -16,9 +16,4 @@
 #include <mach/map.h>
 #include <asm/hardware/vic.h>
 
-/* interrupt controller */
-#define S5PC1XX_VIC0REG(x)          		((x) + S5PC1XX_VA_VIC(0))
-#define S5PC1XX_VIC1REG(x)          		((x) + S5PC1XX_VA_VIC(1))
-#define S5PC1XX_VIC2REG(x)         		((x) + S5PC1XX_VA_VIC(2))
-
 #endif /* __ASM_ARCH_REGS_IRQ_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/system.h b/arch/arm/mach-s5pc100/include/mach/system.h
index f0d31a2a598..681f626a9ae 100644
--- a/arch/arm/mach-s5pc100/include/mach/system.h
+++ b/arch/arm/mach-s5pc100/include/mach/system.h
@@ -3,7 +3,7 @@
  * Copyright 2009 Samsung Electronics Co.
  *      Byungho Min <bhmin@samsung.com>
  *
- * S5PC1XX - system implementation
+ * S5PC100 - system implementation
  *
  * Based on mach-s3c6400/include/mach/system.h
  */
@@ -13,14 +13,11 @@
 
 #include <linux/io.h>
 #include <mach/map.h>
-#include <plat/regs-clock.h>
-
-void (*s5pc1xx_idle)(void);
+#include <mach/regs-clock.h>
 
 static void arch_idle(void)
 {
-	if (s5pc1xx_idle)
-		s5pc1xx_idle();
+	/* nothing here yet */
 }
 
 static void arch_reset(char mode, const char *cmd)
diff --git a/arch/arm/mach-s5pc100/include/mach/tick.h b/arch/arm/mach-s5pc100/include/mach/tick.h
index f338c9eec71..20f68730ed1 100644
--- a/arch/arm/mach-s5pc100/include/mach/tick.h
+++ b/arch/arm/mach-s5pc100/include/mach/tick.h
@@ -20,8 +20,8 @@
  */
 static inline u32 s3c24xx_ostimer_pending(void)
 {
-	u32 pend = __raw_readl(S3C_VA_VIC0 + VIC_RAW_STATUS);
-	return pend & 1 << (IRQ_TIMER4_VIC - S5PC1XX_IRQ_VIC0(0));
+	u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
+	return pend & (1 << (IRQ_TIMER4_VIC - S5P_IRQ_VIC0(0)));
 }
 
 #define TICK_MAX	(0xffffffff)
diff --git a/arch/arm/plat-s5pc1xx/s5pc100-init.c b/arch/arm/mach-s5pc100/init.c
similarity index 68%
rename from arch/arm/plat-s5pc1xx/s5pc100-init.c
rename to arch/arm/mach-s5pc100/init.c
index c58710884ce..19d7b523c13 100644
--- a/arch/arm/plat-s5pc1xx/s5pc100-init.c
+++ b/arch/arm/mach-s5pc100/init.c
@@ -1,9 +1,8 @@
-/* linux/arch/arm/plat-s5pc1xx/s5pc100-init.c
+/* linux/arch/arm/plat-s5pc100/s5pc100-init.c
  *
  * Copyright 2009 Samsung Electronics Co.
  *      Byungho Min <bhmin@samsung.com>
  *
- * S5PC100 - CPU initialisation (common with other S5PC1XX chips)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -19,9 +18,7 @@
 #include <plat/s5pc100.h>
 
 /* uart registration process */
-
 void __init s5pc100_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 {
-	/* The driver name is s3c6400-uart to reuse s3c6400_serial_drv  */
-	s3c24xx_init_uartdevs("s3c6400-uart", s5pc1xx_uart_resources, cfg, no);
+	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
 }
diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index b6f8a58cf94..a95d8f7d36d 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -149,8 +149,6 @@ static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
 	.setup_gpio	= s5pc100_fb_gpio_setup_24bpp,
 };
 
-static struct map_desc smdkc100_iodesc[] = {};
-
 static struct platform_device *smdkc100_devices[] __initdata = {
 	&s3c_device_i2c0,
 	&s3c_device_i2c1,
@@ -163,7 +161,7 @@ static struct platform_device *smdkc100_devices[] __initdata = {
 
 static void __init smdkc100_map_io(void)
 {
-	s5pc1xx_init_io(smdkc100_iodesc, ARRAY_SIZE(smdkc100_iodesc));
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 	s3c24xx_init_clocks(12000000);
 	s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
 }
@@ -187,10 +185,9 @@ static void __init smdkc100_machine_init(void)
 
 MACHINE_START(SMDKC100, "SMDKC100")
 	/* Maintainer: Byungho Min <bhmin@samsung.com> */
-	.phys_io	= S5PC100_PA_UART & 0xfff00000,
-	.io_pg_offst	= (((u32)S5PC1XX_VA_UART) >> 18) & 0xfffc,
-	.boot_params	= S5PC100_PA_SDRAM + 0x100,
-
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S5P_PA_SDRAM + 0x100,
 	.init_irq	= s5pc100_init_irq,
 	.map_io		= smdkc100_map_io,
 	.init_machine	= smdkc100_machine_init,
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 92bd75607b4..189be6e9522 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -7,7 +7,7 @@
 
 config PLAT_S5P
 	bool
-	depends on (ARCH_S5P6440 || ARCH_S5P6442 || ARCH_S5PV210)
+	depends on (ARCH_S5P6440 || ARCH_S5P6442 || ARCH_S5PC100 || ARCH_S5PV210)
 	default y
 	select ARM_VIC
 	select NO_IOPORT
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
index f92e5de3a75..75cb8c37ca2 100644
--- a/arch/arm/plat-s5p/cpu.c
+++ b/arch/arm/plat-s5p/cpu.c
@@ -19,12 +19,14 @@
 #include <plat/cpu.h>
 #include <plat/s5p6440.h>
 #include <plat/s5p6442.h>
+#include <plat/s5pc100.h>
 #include <plat/s5pv210.h>
 
 /* table of supported CPUs */
 
 static const char name_s5p6440[] = "S5P6440";
 static const char name_s5p6442[] = "S5P6442";
+static const char name_s5pc100[] = "S5PC100";
 static const char name_s5pv210[] = "S5PV210/S5PC110";
 
 static struct cpu_table cpu_ids[] __initdata = {
@@ -44,6 +46,14 @@ static struct cpu_table cpu_ids[] __initdata = {
 		.init_uarts	= s5p6442_init_uarts,
 		.init		= s5p6442_init,
 		.name		= name_s5p6442,
+	}, {
+		.idcode		= 0x43100000,
+		.idmask		= 0xfffff000,
+		.map_io		= s5pc100_map_io,
+		.init_clocks	= s5pc100_init_clocks,
+		.init_uarts	= s5pc100_init_uarts,
+		.init		= s5pc100_init,
+		.name		= name_s5pc100,
 	}, {
 		.idcode		= 0x43110000,
 		.idmask		= 0xfffff000,
diff --git a/arch/arm/plat-s5p/include/plat/s5pc100.h b/arch/arm/plat-s5p/include/plat/s5pc100.h
new file mode 100644
index 00000000000..5f6099dd7ca
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5pc100.h
@@ -0,0 +1,33 @@
+/* arch/arm/plat-s5p/include/plat/s5pc100.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5pc100 cpu support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* Common init code for S5PC100 related SoCs */
+
+extern void s5pc100_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s5pc100_register_clocks(void);
+extern void s5pc100_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5PC100
+
+extern  int s5pc100_init(void);
+extern void s5pc100_init_irq(void);
+extern void s5pc100_map_io(void);
+extern void s5pc100_init_clocks(int xtal);
+
+#define s5pc100_init_uarts s5pc100_common_init_uarts
+
+#else
+#define s5pc100_init_clocks NULL
+#define s5pc100_init_uarts NULL
+#define s5pc100_map_io NULL
+#define s5pc100_init NULL
+#endif
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 229919e9744..1077ebebfb0 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -6,7 +6,7 @@
 
 config PLAT_SAMSUNG
 	bool
-	depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX || ARCH_S5PC1XX
+	depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX
 	select NO_IOPORT
 	default y
 	help

From 23686a07b6222d5c40ea403705325e49d360603e Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 20 May 2010 07:51:09 +0200
Subject: [PATCH 2271/3638] ARM: S5PC100: Add support for gpio interrupt

This patch moves support for gpio interrupts from plat-s5pc1xx to
mach-s5pc100 directory.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/Makefile                |  2 +-
 arch/arm/mach-s5pc100/gpiolib.c               |  9 +--
 .../{plat-s5pc1xx => mach-s5pc100}/irq-gpio.c | 78 +++++++++----------
 3 files changed, 44 insertions(+), 45 deletions(-)
 rename arch/arm/{plat-s5pc1xx => mach-s5pc100}/irq-gpio.c (72%)

diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index 9b52d2af013..6e3f57c39c9 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -11,7 +11,7 @@ obj-				:=
 
 # Core support for S5PC100 system
 
-obj-$(CONFIG_CPU_S5PC100)	+= cpu.o init.o clock.o gpiolib.o
+obj-$(CONFIG_CPU_S5PC100)	+= cpu.o init.o clock.o gpiolib.o irq-gpio.o
 obj-$(CONFIG_CPU_S5PC100)	+= setup-i2c0.o
 
 # Helper and device support
diff --git a/arch/arm/mach-s5pc100/gpiolib.c b/arch/arm/mach-s5pc100/gpiolib.c
index 494a53b1047..88dd913c86d 100644
--- a/arch/arm/mach-s5pc100/gpiolib.c
+++ b/arch/arm/mach-s5pc100/gpiolib.c
@@ -387,7 +387,6 @@ extern void s5pc100_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc)
 
 static __init void s5pc100_gpiolib_link(struct s3c_gpio_chip *chip)
 {
-#if 0
 	/* Interrupt */
 	if (chip->config == &gpio_cfg) {
 		int i, irq;
@@ -401,9 +400,9 @@ static __init void s5pc100_gpiolib_link(struct s3c_gpio_chip *chip)
 			set_irq_handler(irq, handle_level_irq);
 			set_irq_flags(irq, IRQF_VALID);
 		}
-	} else if (chip->config == &gpio_cfg_eint)
+	} else if (chip->config == &gpio_cfg_eint) {
 		chip->chip.to_irq = s5pc100_gpiolib_to_eint;
-#endif
+	}
 }
 
 static __init int s5pc100_gpiolib_init(void)
@@ -419,10 +418,10 @@ static __init int s5pc100_gpiolib_init(void)
 
 	samsung_gpiolib_add_4bit_chips(s5pc100_gpio_chips,
 				       ARRAY_SIZE(s5pc100_gpio_chips));
-#if 0
+
 	/* Interrupt */
 	set_irq_chained_handler(IRQ_GPIOINT, s5pc100_irq_gpioint_handler);
-#endif
+
 	return 0;
 }
 core_initcall(s5pc100_gpiolib_init);
diff --git a/arch/arm/plat-s5pc1xx/irq-gpio.c b/arch/arm/mach-s5pc100/irq-gpio.c
similarity index 72%
rename from arch/arm/plat-s5pc1xx/irq-gpio.c
rename to arch/arm/mach-s5pc100/irq-gpio.c
index fecca7a679b..2bf86c18bc7 100644
--- a/arch/arm/plat-s5pc1xx/irq-gpio.c
+++ b/arch/arm/mach-s5pc100/irq-gpio.c
@@ -1,9 +1,9 @@
 /*
- * arch/arm/plat-s5pc1xx/irq-gpio.c
+ * arch/arm/mach-s5pc100/irq-gpio.c
  *
  * Copyright (C) 2009 Samsung Electronics
  *
- * S5PC1XX - Interrupt handling for IRQ_GPIO${group}(x)
+ * S5PC100 - Interrupt handling for IRQ_GPIO${group}(x)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -19,7 +19,7 @@
 #include <mach/map.h>
 #include <plat/gpio-cfg.h>
 
-#define S5PC1XX_GPIOREG(x)		(S5PC1XX_VA_GPIO + (x))
+#define S5P_GPIOREG(x)		(S5P_VA_GPIO + (x))
 
 #define CON_OFFSET			0x700
 #define MASK_OFFSET			0x900
@@ -49,7 +49,7 @@ static int group_to_pend_offset(int group)
 	return group << 2;
 }
 
-static int s5pc1xx_get_start(unsigned int group)
+static int s5pc100_get_start(unsigned int group)
 {
 	switch (group) {
 	case 0: return S5PC100_GPIO_A0_START;
@@ -80,7 +80,7 @@ static int s5pc1xx_get_start(unsigned int group)
 	return -EINVAL;
 }
 
-static int s5pc1xx_get_group(unsigned int irq)
+static int s5pc100_get_group(unsigned int irq)
 {
 	irq -= S3C_IRQ_GPIO(0);
 
@@ -134,67 +134,67 @@ static int s5pc1xx_get_group(unsigned int irq)
 	return -EINVAL;
 }
 
-static int s5pc1xx_get_offset(unsigned int irq)
+static int s5pc100_get_offset(unsigned int irq)
 {
 	struct gpio_chip *chip = get_irq_data(irq);
 	return irq - S3C_IRQ_GPIO(chip->base);
 }
 
-static void s5pc1xx_gpioint_ack(unsigned int irq)
+static void s5pc100_gpioint_ack(unsigned int irq)
 {
 	int group, offset, pend_offset;
 	unsigned int value;
 
-	group = s5pc1xx_get_group(irq);
-	offset = s5pc1xx_get_offset(irq);
+	group = s5pc100_get_group(irq);
+	offset = s5pc100_get_offset(irq);
 	pend_offset = group_to_pend_offset(group);
 
-	value = __raw_readl(S5PC1XX_GPIOREG(PEND_OFFSET) + pend_offset);
+	value = __raw_readl(S5P_GPIOREG(PEND_OFFSET) + pend_offset);
 	value |= 1 << offset;
-	__raw_writel(value, S5PC1XX_GPIOREG(PEND_OFFSET) + pend_offset);
+	__raw_writel(value, S5P_GPIOREG(PEND_OFFSET) + pend_offset);
 }
 
-static void s5pc1xx_gpioint_mask(unsigned int irq)
+static void s5pc100_gpioint_mask(unsigned int irq)
 {
 	int group, offset, mask_offset;
 	unsigned int value;
 
-	group = s5pc1xx_get_group(irq);
-	offset = s5pc1xx_get_offset(irq);
+	group = s5pc100_get_group(irq);
+	offset = s5pc100_get_offset(irq);
 	mask_offset = group_to_mask_offset(group);
 
-	value = __raw_readl(S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+	value = __raw_readl(S5P_GPIOREG(MASK_OFFSET) + mask_offset);
 	value |= 1 << offset;
-	__raw_writel(value, S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+	__raw_writel(value, S5P_GPIOREG(MASK_OFFSET) + mask_offset);
 }
 
-static void s5pc1xx_gpioint_unmask(unsigned int irq)
+static void s5pc100_gpioint_unmask(unsigned int irq)
 {
 	int group, offset, mask_offset;
 	unsigned int value;
 
-	group = s5pc1xx_get_group(irq);
-	offset = s5pc1xx_get_offset(irq);
+	group = s5pc100_get_group(irq);
+	offset = s5pc100_get_offset(irq);
 	mask_offset = group_to_mask_offset(group);
 
-	value = __raw_readl(S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+	value = __raw_readl(S5P_GPIOREG(MASK_OFFSET) + mask_offset);
 	value &= ~(1 << offset);
-	__raw_writel(value, S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+	__raw_writel(value, S5P_GPIOREG(MASK_OFFSET) + mask_offset);
 }
 
-static void s5pc1xx_gpioint_mask_ack(unsigned int irq)
+static void s5pc100_gpioint_mask_ack(unsigned int irq)
 {
-	s5pc1xx_gpioint_mask(irq);
-	s5pc1xx_gpioint_ack(irq);
+	s5pc100_gpioint_mask(irq);
+	s5pc100_gpioint_ack(irq);
 }
 
-static int s5pc1xx_gpioint_set_type(unsigned int irq, unsigned int type)
+static int s5pc100_gpioint_set_type(unsigned int irq, unsigned int type)
 {
 	int group, offset, con_offset;
 	unsigned int value;
 
-	group = s5pc1xx_get_group(irq);
-	offset = s5pc1xx_get_offset(irq);
+	group = s5pc100_get_group(irq);
+	offset = s5pc100_get_offset(irq);
 	con_offset = group_to_con_offset(group);
 
 	switch (type) {
@@ -221,24 +221,24 @@ static int s5pc1xx_gpioint_set_type(unsigned int irq, unsigned int type)
 	}
 
 
-	value = __raw_readl(S5PC1XX_GPIOREG(CON_OFFSET) + con_offset);
+	value = __raw_readl(S5P_GPIOREG(CON_OFFSET) + con_offset);
 	value &= ~(0xf << (offset * 0x4));
 	value |= (type << (offset * 0x4));
-	__raw_writel(value, S5PC1XX_GPIOREG(CON_OFFSET) + con_offset);
+	__raw_writel(value, S5P_GPIOREG(CON_OFFSET) + con_offset);
 
 	return 0;
 }
 
-struct irq_chip s5pc1xx_gpioint = {
+struct irq_chip s5pc100_gpioint = {
 	.name		= "GPIO",
-	.ack		= s5pc1xx_gpioint_ack,
-	.mask		= s5pc1xx_gpioint_mask,
-	.mask_ack	= s5pc1xx_gpioint_mask_ack,
-	.unmask		= s5pc1xx_gpioint_unmask,
-	.set_type	= s5pc1xx_gpioint_set_type,
+	.ack		= s5pc100_gpioint_ack,
+	.mask		= s5pc100_gpioint_mask,
+	.mask_ack	= s5pc100_gpioint_mask_ack,
+	.unmask		= s5pc100_gpioint_unmask,
+	.set_type	= s5pc100_gpioint_set_type,
 };
 
-void s5pc1xx_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc)
+void s5pc100_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc)
 {
 	int group, offset, pend_offset, mask_offset;
 	int real_irq, group_end;
@@ -248,17 +248,17 @@ void s5pc1xx_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc)
 
 	for (group = 0; group < group_end; group++) {
 		pend_offset = group_to_pend_offset(group);
-		pend = __raw_readl(S5PC1XX_GPIOREG(PEND_OFFSET) + pend_offset);
+		pend = __raw_readl(S5P_GPIOREG(PEND_OFFSET) + pend_offset);
 		if (!pend)
 			continue;
 
 		mask_offset = group_to_mask_offset(group);
-		mask = __raw_readl(S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+		mask = __raw_readl(S5P_GPIOREG(MASK_OFFSET) + mask_offset);
 		pend &= ~mask;
 
 		for (offset = 0; offset < 8; offset++) {
 			if (pend & (1 << offset)) {
-				real_irq = s5pc1xx_get_start(group) + offset;
+				real_irq = s5pc100_get_start(group) + offset;
 				generic_handle_irq(S3C_IRQ_GPIO(real_irq));
 			}
 		}

From 80dfd9556a94fe479fde86370713aafd33b61a0c Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 20 May 2010 07:51:10 +0200
Subject: [PATCH 2272/3638] ARM: S5PC100: use common plat-s5p external
 interrupt code

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/Kconfig                 |  1 +
 arch/arm/mach-s5pc100/gpiolib.c               |  3 +-
 arch/arm/mach-s5pc100/include/mach/gpio.h     |  7 ++++
 arch/arm/mach-s5pc100/include/mach/irqs.h     |  6 ++--
 .../arm/mach-s5pc100/include/mach/regs-gpio.h | 33 +++++++++++--------
 5 files changed, 30 insertions(+), 20 deletions(-)

diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index fe1216b0ed5..2eb949771db 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -10,6 +10,7 @@ if ARCH_S5PC100
 config CPU_S5PC100
 	bool
 	select PLAT_S5P
+	select S5P_EXT_INT
 	help
 	  Enable S5PC100 CPU support
 
diff --git a/arch/arm/mach-s5pc100/gpiolib.c b/arch/arm/mach-s5pc100/gpiolib.c
index 88dd913c86d..0fab7f2cd8b 100644
--- a/arch/arm/mach-s5pc100/gpiolib.c
+++ b/arch/arm/mach-s5pc100/gpiolib.c
@@ -61,7 +61,6 @@
  * L3	8	4Bit	None
  */
 
-#if 0
 static int s5pc100_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset)
 {
 	return S3C_IRQ_GPIO(chip->base + offset);
@@ -85,7 +84,7 @@ static int s5pc100_gpiolib_to_eint(struct gpio_chip *chip, unsigned int offset)
 		return IRQ_EINT(24 + offset);
 	return -EINVAL;
 }
-#endif
+
 static struct s3c_gpio_cfg gpio_cfg = {
 	.set_config	= s3c_gpio_setcfg_s3c64xx_4bit,
 	.set_pull	= s3c_gpio_setpull_updown,
diff --git a/arch/arm/mach-s5pc100/include/mach/gpio.h b/arch/arm/mach-s5pc100/include/mach/gpio.h
index 29a8a12d9b4..71ae1f52df1 100644
--- a/arch/arm/mach-s5pc100/include/mach/gpio.h
+++ b/arch/arm/mach-s5pc100/include/mach/gpio.h
@@ -146,6 +146,13 @@ enum s5p_gpio_number {
 /* define the number of gpios we need to the one after the MP04() range */
 #define ARCH_NR_GPIOS		(S5PC100_GPIO_END + 1)
 
+#define EINT_MODE		S3C_GPIO_SFN(0x2)
+
+#define EINT_GPIO_0(x)		S5PC100_GPH0(x)
+#define EINT_GPIO_1(x)		S5PC100_GPH1(x)
+#define EINT_GPIO_2(x)		S5PC100_GPH2(x)
+#define EINT_GPIO_3(x)		S5PC100_GPH3(x)
+
 #include <asm-generic/gpio.h>
 
 #endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/irqs.h b/arch/arm/mach-s5pc100/include/mach/irqs.h
index 84c74acaa63..28aa551dc3a 100644
--- a/arch/arm/mach-s5pc100/include/mach/irqs.h
+++ b/arch/arm/mach-s5pc100/include/mach/irqs.h
@@ -97,10 +97,8 @@
 #define IRQ_SDMFIQ		S5P_IRQ_VIC2(31)
 #define IRQ_VIC_END		S5P_IRQ_VIC2(31)
 
-#define S5P_IRQ_EINT_BASE	(IRQ_VIC_END + 1)
-
-#define IRQ_EINT(x)             ((x) < 16 ? S5P_IRQ_VIC0(x) : \
-					(S5P_IRQ_EINT_BASE + (x)-16))
+#define S5P_EINT_BASE1		(S5P_IRQ_VIC0(0))
+#define S5P_EINT_BASE2		(IRQ_VIC_END + 1)
 
 #define S3C_IRQ_GPIO_BASE	(IRQ_EINT(31) + 1)
 #define S3C_IRQ_GPIO(x)		(S3C_IRQ_GPIO_BASE + (x))
diff --git a/arch/arm/mach-s5pc100/include/mach/regs-gpio.h b/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
index cd6200adabc..dd6295e1251 100644
--- a/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
+++ b/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
@@ -47,24 +47,29 @@
 #define S5PC100_GPL2_BASE	(S5PC100_GPIO_BASE + 0x0360)
 #define S5PC100_GPL3_BASE	(S5PC100_GPIO_BASE + 0x0380)
 #define S5PC100_GPL4_BASE	(S5PC100_GPIO_BASE + 0x03A0)
-#define S5PC100_EINT_BASE	(S5PC100_GPIO_BASE + 0x0E00)
 
-#define S5PC100_UHOST		(S5PC100_GPIO_BASE + 0x0B68)
-#define S5PC100_PDNEN		(S5PC100_GPIO_BASE + 0x0F80)
+#define S5PC100EINT30CON		(S5P_VA_GPIO + 0xE00)
+#define S5P_EINT_CON(x)			(S5PC100EINT30CON + ((x) * 0x4))
 
-/* PDNEN */
-#define S5PC100_PDNEN_CFG_PDNEN	(1 << 1)
-#define S5PC100_PDNEN_CFG_AUTO	(0 << 1)
-#define S5PC100_PDNEN_POWERDOWN	(1 << 0)
-#define S5PC100_PDNEN_NORMAL	(0 << 0)
+#define S5PC100EINT30FLTCON0		(S5P_VA_GPIO + 0xE80)
+#define S5P_EINT_FLTCON(x)		(S5PC100EINT30FLTCON0 + ((x) * 0x4))
 
-/* Common part */
-/* External interrupt base is same at both s5pc100 and s5pc110 */
-#define S5P_EINT_BASE			(S5PC100_EINT_BASE)
+#define S5PC100EINT30MASK		(S5P_VA_GPIO + 0xF00)
+#define S5P_EINT_MASK(x)		(S5PC100EINT30MASK + ((x) * 0x4))
 
-#define S5PC100_GPx_INPUT(__gpio)	(0x0 << ((__gpio) * 4))
-#define S5PC100_GPx_OUTPUT(__gpio)	(0x1 << ((__gpio) * 4))
-#define S5PC100_GPx_CONMASK(__gpio)	(0xf << ((__gpio) * 4))
+#define S5PC100EINT30PEND		(S5P_VA_GPIO + 0xF40)
+#define S5P_EINT_PEND(x)		(S5PC100EINT30PEND + ((x) * 0x4))
+
+#define EINT_REG_NR(x)			(EINT_OFFSET(x) >> 3)
+
+#define eint_irq_to_bit(irq)		(1 << (EINT_OFFSET(irq) & 0x7))
+
+/* values for S5P_EXTINT0 */
+#define S5P_EXTINT_LOWLEV		(0x00)
+#define S5P_EXTINT_HILEV		(0x01)
+#define S5P_EXTINT_FALLEDGE		(0x02)
+#define S5P_EXTINT_RISEEDGE		(0x03)
+#define S5P_EXTINT_BOTHEDGE		(0x04)
 
 #endif /* __ASM_MACH_S5PC100_REGS_GPIO_H */
 

From a73e3e6f8f5847c00edb9dd7aab19d005a3d6e5c Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 20 May 2010 07:51:11 +0200
Subject: [PATCH 2273/3638] ARM: remove obsolete plat-s5pc1xx directory

This patch removes all obsolete files from plat-s5pc1xx. This directory is
no longer needed. S5PC100 SoC is now completely supported in plat-s5p
framework.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-s5pc1xx/Kconfig                 |  42 -
 arch/arm/plat-s5pc1xx/Makefile                |  25 -
 arch/arm/plat-s5pc1xx/clock.c                 | 709 --------------
 arch/arm/plat-s5pc1xx/cpu.c                   | 122 ---
 arch/arm/plat-s5pc1xx/dev-uart.c              | 145 ---
 arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h |  44 -
 arch/arm/plat-s5pc1xx/include/plat/irqs.h     | 198 ----
 arch/arm/plat-s5pc1xx/include/plat/pll.h      |  38 -
 .../plat-s5pc1xx/include/plat/regs-clock.h    | 252 -----
 .../plat-s5pc1xx/include/plat/regs-power.h    |  84 --
 arch/arm/plat-s5pc1xx/include/plat/s5pc100.h  |  64 --
 arch/arm/plat-s5pc1xx/irq-eint.c              | 281 ------
 arch/arm/plat-s5pc1xx/irq.c                   |  75 --
 arch/arm/plat-s5pc1xx/s5pc100-clock.c         | 876 ------------------
 14 files changed, 2955 deletions(-)
 delete mode 100644 arch/arm/plat-s5pc1xx/Kconfig
 delete mode 100644 arch/arm/plat-s5pc1xx/Makefile
 delete mode 100644 arch/arm/plat-s5pc1xx/clock.c
 delete mode 100644 arch/arm/plat-s5pc1xx/cpu.c
 delete mode 100644 arch/arm/plat-s5pc1xx/dev-uart.c
 delete mode 100644 arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h
 delete mode 100644 arch/arm/plat-s5pc1xx/include/plat/irqs.h
 delete mode 100644 arch/arm/plat-s5pc1xx/include/plat/pll.h
 delete mode 100644 arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
 delete mode 100644 arch/arm/plat-s5pc1xx/include/plat/regs-power.h
 delete mode 100644 arch/arm/plat-s5pc1xx/include/plat/s5pc100.h
 delete mode 100644 arch/arm/plat-s5pc1xx/irq-eint.c
 delete mode 100644 arch/arm/plat-s5pc1xx/irq.c
 delete mode 100644 arch/arm/plat-s5pc1xx/s5pc100-clock.c

diff --git a/arch/arm/plat-s5pc1xx/Kconfig b/arch/arm/plat-s5pc1xx/Kconfig
deleted file mode 100644
index ab58758393f..00000000000
--- a/arch/arm/plat-s5pc1xx/Kconfig
+++ /dev/null
@@ -1,42 +0,0 @@
-# Copyright 2009 Samsung Electronics Co.
-#	Byungho Min <bhmin@samsung.com>
-#
-# Licensed under GPLv2
-
-config PLAT_S5PC1XX
-	bool
-	depends on ARCH_S5PC1XX
-	default y
-	select PLAT_S3C
-	select ARM_VIC
-	select NO_IOPORT
-	select ARCH_REQUIRE_GPIOLIB
-	select SAMSUNG_CLKSRC
-	select SAMSUNG_IRQ_UART
-	select SAMSUNG_IRQ_VIC_TIMER
-	select S3C_GPIO_TRACK
-	select S3C_GPIO_PULL_UPDOWN
-	select S5P_GPIO_DRVSTR
-	select S3C_GPIO_CFG_S3C24XX
-	select S3C_GPIO_CFG_S3C64XX
-	select SAMSUNG_GPIOLIB_4BIT
-	help
-	  Base platform code for any Samsung S5PC1XX device
-
-if PLAT_S5PC1XX
-
-# Configuration options shared by all S3C64XX implementations
-
-config CPU_S5PC100_INIT
-	bool
-	help
-	  Common initialisation code for the S5PC1XX
-
-config CPU_S5PC100_CLOCK
-	bool
-	help
-	  Common clock support code for the S5PC1XX
-
-# platform specific device setup
-
-endif
diff --git a/arch/arm/plat-s5pc1xx/Makefile b/arch/arm/plat-s5pc1xx/Makefile
deleted file mode 100644
index d4905432dbf..00000000000
--- a/arch/arm/plat-s5pc1xx/Makefile
+++ /dev/null
@@ -1,25 +0,0 @@
-# arch/arm/plat-s5pc1xx/Makefile
-#
-# Copyright 2009 Samsung Electronics Co.
-#
-# Licensed under GPLv2
-
-obj-y				:=
-obj-m				:=
-obj-n				:= dummy.o
-obj-				:=
-
-# Core files
-
-obj-y				+= dev-uart.o
-obj-y				+= cpu.o
-obj-y				+= irq.o
-obj-y				+= clock.o
-
-# CPU support
-
-obj-$(CONFIG_CPU_S5PC100_INIT)	+= s5pc100-init.o
-obj-$(CONFIG_CPU_S5PC100_CLOCK)	+= s5pc100-clock.o
-
-# Device setup
-
diff --git a/arch/arm/plat-s5pc1xx/clock.c b/arch/arm/plat-s5pc1xx/clock.c
deleted file mode 100644
index 387f23190c3..00000000000
--- a/arch/arm/plat-s5pc1xx/clock.c
+++ /dev/null
@@ -1,709 +0,0 @@
-/* linux/arch/arm/plat-s5pc1xx/clock.c
- *
- * Copyright 2009 Samsung Electronics Co.
- *
- * S5PC1XX Base clock support
- *
- * Based on plat-s3c64xx/clock.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/map.h>
-
-#include <plat/regs-clock.h>
-#include <plat/devs.h>
-#include <plat/clock.h>
-
-struct clk clk_27m = {
-	.name		= "clk_27m",
-	.id		= -1,
-	.rate		= 27000000,
-};
-
-static int clk_48m_ctrl(struct clk *clk, int enable)
-{
-	unsigned long flags;
-	u32 val;
-
-	/* can't rely on clock lock, this register has other usages */
-	local_irq_save(flags);
-
-	val = __raw_readl(S5PC100_CLKSRC1);
-	if (enable)
-		val |= S5PC100_CLKSRC1_CLK48M_MASK;
-	else
-		val &= ~S5PC100_CLKSRC1_CLK48M_MASK;
-
-	__raw_writel(val, S5PC100_CLKSRC1);
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-struct clk clk_48m = {
-	.name		= "clk_48m",
-	.id		= -1,
-	.rate		= 48000000,
-	.enable		= clk_48m_ctrl,
-};
-
-struct clk clk_54m = {
-	.name		= "clk_54m",
-	.id		= -1,
-	.rate		= 54000000,
-};
-
-struct clk clk_hd0 = {
-	.name		= "hclkd0",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-	.ops		= &clk_ops_def_setrate,
-};
-
-struct clk clk_pd0 = {
-	.name		= "pclkd0",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-	.ops		= &clk_ops_def_setrate,
-};
-
-static int s5pc1xx_clk_gate(void __iomem *reg, struct clk *clk, int enable)
-{
-	unsigned int ctrlbit = clk->ctrlbit;
-	u32 con;
-
-	con = __raw_readl(reg);
-	if (enable)
-		con |= ctrlbit;
-	else
-		con &= ~ctrlbit;
-	__raw_writel(con, reg);
-
-	return 0;
-}
-
-static int s5pc100_clk_d00_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D00, clk, enable);
-}
-
-static int s5pc100_clk_d01_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D01, clk, enable);
-}
-
-static int s5pc100_clk_d02_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D02, clk, enable);
-}
-
-static int s5pc100_clk_d10_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D10, clk, enable);
-}
-
-static int s5pc100_clk_d11_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D11, clk, enable);
-}
-
-static int s5pc100_clk_d12_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D12, clk, enable);
-}
-
-static int s5pc100_clk_d13_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D13, clk, enable);
-}
-
-static int s5pc100_clk_d14_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D14, clk, enable);
-}
-
-static int s5pc100_clk_d15_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D15, clk, enable);
-}
-
-static int s5pc100_clk_d20_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D20, clk, enable);
-}
-
-int s5pc100_sclk0_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_SCLKGATE0, clk, enable);
-}
-
-int s5pc100_sclk1_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_SCLKGATE1, clk, enable);
-}
-
-static struct clk s5pc100_init_clocks_disable[] = {
-	{
-		.name		= "dsi",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_DSI,
-	}, {
-		.name		= "csi",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_CSI,
-	}, {
-		.name		= "ccan",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_CCAN0,
-	}, {
-		.name		= "ccan",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_CCAN1,
-	}, {
-		.name		= "keypad",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_KEYIF,
-	}, {
-		.name		= "hclkd2",
-		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc100_clk_d20_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D20_HCLKD2,
-	}, {
-		.name		= "iis-d2",
-		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc100_clk_d20_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D20_I2SD2,
-	},
-};
-
-static struct clk s5pc100_init_clocks[] = {
-	/* System1 (D0_0) devices */
-	{
-		.name		= "intc",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_INTC,
-	}, {
-		.name		= "tzic",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_TZIC,
-	}, {
-		.name		= "cf-ata",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_CFCON,
-	}, {
-		.name		= "mdma",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_MDMA,
-	}, {
-		.name		= "g2d",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_G2D,
-	}, {
-		.name		= "secss",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_SECSS,
-	}, {
-		.name		= "cssys",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_CSSYS,
-	},
-
-	/* Memory (D0_1) devices */
-	{
-		.name		= "dmc",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_DMC,
-	}, {
-		.name		= "sromc",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_SROMC,
-	}, {
-		.name		= "onenand",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_ONENAND,
-	}, {
-		.name		= "nand",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_NFCON,
-	}, {
-		.name		= "intmem",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_INTMEM,
-	}, {
-		.name		= "ebi",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_EBI,
-	},
-
-	/* System2 (D0_2) devices */
-	{
-		.name		= "seckey",
-		.id		= -1,
-		.parent		= &clk_pd0,
-		.enable		= s5pc100_clk_d02_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D02_SECKEY,
-	}, {
-		.name		= "sdm",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc100_clk_d02_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D02_SDM,
-	},
-
-	/* File (D1_0) devices */
-	{
-		.name		= "pdma",
-		.id		= 0,
-		.parent		= &clk_h,
-		.enable		= s5pc100_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_PDMA0,
-	}, {
-		.name		= "pdma",
-		.id		= 1,
-		.parent		= &clk_h,
-		.enable		= s5pc100_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_PDMA1,
-	}, {
-		.name		= "usb-host",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc100_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_USBHOST,
-	}, {
-		.name		= "otg",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc100_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_USBOTG,
-	}, {
-		.name		= "modem",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc100_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_MODEMIF,
-	}, {
-		.name		= "hsmmc",
-		.id		= 0,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC0,
-	}, {
-		.name		= "hsmmc",
-		.id		= 1,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC1,
-	}, {
-		.name		= "hsmmc",
-		.id		= 2,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC2,
-	},
-
-	/* Multimedia1 (D1_1) devices */
-	{
-		.name		= "lcd",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_LCD,
-	}, {
-		.name		= "rotator",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_ROTATOR,
-	}, {
-		.name		= "fimc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC0,
-	}, {
-		.name		= "fimc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC1,
-	}, {
-		.name		= "fimc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC2,
-	}, {
-		.name		= "jpeg",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_JPEG,
-	}, {
-		.name		= "g3d",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_G3D,
-	},
-
-	/* Multimedia2 (D1_2) devices */
-	{
-		.name		= "tv",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_TV,
-	}, {
-		.name		= "vp",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_VP,
-	}, {
-		.name		= "mixer",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_MIXER,
-	}, {
-		.name		= "hdmi",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_HDMI,
-	}, {
-		.name		= "mfc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_MFC,
-	},
-
-	/* System (D1_3) devices */
-	{
-		.name		= "chipid",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_CHIPID,
-	}, {
-		.name		= "gpio",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_GPIO,
-	}, {
-		.name		= "apc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_APC,
-	}, {
-		.name		= "iec",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_IEC,
-	}, {
-		.name		= "timers",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_PWM,
-	}, {
-		.name		= "systimer",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_SYSTIMER,
-	}, {
-		.name		= "watchdog",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_WDT,
-	}, {
-		.name		= "rtc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_RTC,
-	},
-
-	/* Connectivity (D1_4) devices */
-	{
-		.name		= "uart",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_UART0,
-	}, {
-		.name		= "uart",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_UART1,
-	}, {
-		.name		= "uart",
-		.id		= 2,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_UART2,
-	}, {
-		.name		= "uart",
-		.id		= 3,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_UART3,
-	}, {
-		.name		= "i2c",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_IIC,
-	}, {
-		.name		= "hdmi-i2c",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_HDMI_IIC,
-	}, {
-		.name		= "spi",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_SPI0,
-	}, {
-		.name		= "spi",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_SPI1,
-	}, {
-		.name		= "spi",
-		.id		= 2,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_SPI2,
-	}, {
-		.name		= "irda",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_IRDA,
-	}, {
-		.name		= "hsitx",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_HSITX,
-	}, {
-		.name		= "hsirx",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_HSIRX,
-	},
-
-	/* Audio (D1_5) devices */
-	{
-		.name		= "iis",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_IIS0,
-	}, {
-		.name		= "iis",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_IIS1,
-	}, {
-		.name		= "iis",
-		.id		= 2,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_IIS2,
-	}, {
-		.name		= "ac97",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_AC97,
-	}, {
-		.name		= "pcm",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_PCM0,
-	}, {
-		.name		= "pcm",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_PCM1,
-	}, {
-		.name		= "spdif",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_SPDIF,
-	}, {
-		.name		= "adc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_TSADC,
-	}, {
-		.name		= "cg",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc100_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_CG,
-	},
-
-	/* Audio (D2_0) devices: all disabled */
-
-	/* Special Clocks 0 */
-	{
-		.name		= "sclk_hpm",
-		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc100_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_HPM,
-	}, {
-		.name		= "sclk_onenand",
-		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc100_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_ONENAND,
-	}, {
-		.name		= "spi_48",
-		.id		= 0,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI0_48,
-	}, {
-		.name		= "spi_48",
-		.id		= 1,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI1_48,
-	}, {
-		.name		= "spi_48",
-		.id		= 2,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI2_48,
-	}, {
-		.name		= "mmc_48",
-		.id		= 0,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC0_48,
-	}, {
-		.name		= "mmc_48",
-		.id		= 1,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC1_48,
-	}, {
-		.name		= "mmc_48",
-		.id		= 2,
-		.parent		= &clk_48m,
-		.enable		= s5pc100_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC2_48,
-	},
-	/* Special Clocks 1 */
-};
-
-static struct clk *clks[] __initdata = {
-	&clk_ext,
-	&clk_epll,
-	&clk_pd0,
-	&clk_hd0,
-	&clk_27m,
-	&clk_48m,
-	&clk_54m,
-};
-
-void __init s5pc1xx_register_clocks(void)
-{
-	struct clk *clkp;
-	int ret;
-	int ptr;
-	int size;
-
-	s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
-
-	s3c_register_clocks(s5pc100_init_clocks,
-			    ARRAY_SIZE(s5pc100_init_clocks));
-
-	clkp = s5pc100_init_clocks_disable;
-	size = ARRAY_SIZE(s5pc100_init_clocks_disable);
-
-	for (ptr = 0; ptr < size; ptr++, clkp++) {
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-
-		(clkp->enable)(clkp, 0);
-	}
-
-	s3c_pwmclk_init();
-}
diff --git a/arch/arm/plat-s5pc1xx/cpu.c b/arch/arm/plat-s5pc1xx/cpu.c
deleted file mode 100644
index 02baeaa2a12..00000000000
--- a/arch/arm/plat-s5pc1xx/cpu.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/* linux/arch/arm/plat-s5pc1xx/cpu.c
- *
- * Copyright 2009 Samsung Electronics Co.
- *	Byungho Min <bhmin@samsung.com>
- *
- * S5PC1XX CPU Support
- *
- * Based on plat-s3c64xx/cpu.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/serial_core.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/map.h>
-
-#include <asm/mach/map.h>
-
-#include <plat/regs-serial.h>
-
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/clock.h>
-
-#include <plat/s5pc100.h>
-
-/* table of supported CPUs */
-
-static const char name_s5pc100[] = "S5PC100";
-
-static struct cpu_table cpu_ids[] __initdata = {
-	{
-		.idcode		= 0x43100000,
-		.idmask		= 0xfffff000,
-		.map_io		= s5pc100_map_io,
-		.init_clocks	= s5pc100_init_clocks,
-		.init_uarts	= s5pc100_init_uarts,
-		.init		= s5pc100_init,
-		.name		= name_s5pc100,
-	},
-};
-/* minimal IO mapping */
-
-/* see notes on uart map in arch/arm/mach-s5pc100/include/mach/debug-macro.S */
-#define UART_OFFS (S3C_PA_UART & 0xffff)
-
-static struct map_desc s5pc1xx_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5PC1XX_VA_CLK_OTHER,
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_CLK_OTHER),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5PC1XX_VA_GPIO,
-		.pfn		= __phys_to_pfn(S5PC100_PA_GPIO),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5PC1XX_VA_CHIPID,
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_CHIPID),
-		.length		= SZ_16,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5PC1XX_VA_CLK,
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_CLK),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5PC1XX_VA_PWR,
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_PWR),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)(S5PC1XX_VA_UART),
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_UART),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5PC1XX_VA_VIC(0),
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_VIC(0)),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5PC1XX_VA_VIC(1),
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_VIC(1)),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5PC1XX_VA_VIC(2),
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_VIC(2)),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5PC1XX_VA_TIMER,
-		.pfn		= __phys_to_pfn(S5PC1XX_PA_TIMER),
-		.length		= SZ_256,
-		.type		= MT_DEVICE,
-	},
-};
-
-/* read cpu identification code */
-
-void __init s5pc1xx_init_io(struct map_desc *mach_desc, int size)
-{
-	unsigned long idcode;
-
-	/* initialise the io descriptors we need for initialisation */
-	iotable_init(s5pc1xx_iodesc, ARRAY_SIZE(s5pc1xx_iodesc));
-	iotable_init(mach_desc, size);
-
-	idcode = __raw_readl(S5PC1XX_VA_CHIPID);
-	s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
-}
diff --git a/arch/arm/plat-s5pc1xx/dev-uart.c b/arch/arm/plat-s5pc1xx/dev-uart.c
deleted file mode 100644
index 586c95c60bf..00000000000
--- a/arch/arm/plat-s5pc1xx/dev-uart.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/* linux/arch/arm/plat-s5pc1xx/dev-uart.c
- *
- * Copyright 2009 Samsung Electronics Co.
- *	Byungho Min <bhmin@samsung.com>
- *
- * Based on plat-s3c64xx/dev-uart.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
-*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/platform_device.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/irq.h>
-#include <mach/hardware.h>
-#include <mach/map.h>
-
-#include <plat/devs.h>
-
-/* Serial port registrations */
-
-/* 64xx uarts are closer together */
-
-static struct resource s5pc1xx_uart0_resource[] = {
-	[0] = {
-		.start	= S3C_PA_UART0,
-		.end	= S3C_PA_UART0 + 0x100,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_S3CUART_RX0,
-		.end	= IRQ_S3CUART_RX0,
-		.flags	= IORESOURCE_IRQ,
-	},
-	[2] = {
-		.start	= IRQ_S3CUART_TX0,
-		.end	= IRQ_S3CUART_TX0,
-		.flags	= IORESOURCE_IRQ,
-
-	},
-	[3] = {
-		.start	= IRQ_S3CUART_ERR0,
-		.end	= IRQ_S3CUART_ERR0,
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-
-static struct resource s5pc1xx_uart1_resource[] = {
-	[0] = {
-		.start = S3C_PA_UART1,
-		.end   = S3C_PA_UART1 + 0x100,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_S3CUART_RX1,
-		.end	= IRQ_S3CUART_RX1,
-		.flags	= IORESOURCE_IRQ,
-	},
-	[2] = {
-		.start	= IRQ_S3CUART_TX1,
-		.end	= IRQ_S3CUART_TX1,
-		.flags	= IORESOURCE_IRQ,
-
-	},
-	[3] = {
-		.start	= IRQ_S3CUART_ERR1,
-		.end	= IRQ_S3CUART_ERR1,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct resource s5pc1xx_uart2_resource[] = {
-	[0] = {
-		.start = S3C_PA_UART2,
-		.end   = S3C_PA_UART2 + 0x100,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_S3CUART_RX2,
-		.end	= IRQ_S3CUART_RX2,
-		.flags	= IORESOURCE_IRQ,
-	},
-	[2] = {
-		.start	= IRQ_S3CUART_TX2,
-		.end	= IRQ_S3CUART_TX2,
-		.flags	= IORESOURCE_IRQ,
-
-	},
-	[3] = {
-		.start	= IRQ_S3CUART_ERR2,
-		.end	= IRQ_S3CUART_ERR2,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct resource s5pc1xx_uart3_resource[] = {
-	[0] = {
-		.start = S3C_PA_UART3,
-		.end   = S3C_PA_UART3 + 0x100,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_S3CUART_RX3,
-		.end	= IRQ_S3CUART_RX3,
-		.flags	= IORESOURCE_IRQ,
-	},
-	[2] = {
-		.start	= IRQ_S3CUART_TX3,
-		.end	= IRQ_S3CUART_TX3,
-		.flags	= IORESOURCE_IRQ,
-
-	},
-	[3] = {
-		.start	= IRQ_S3CUART_ERR3,
-		.end	= IRQ_S3CUART_ERR3,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-
-struct s3c24xx_uart_resources s5pc1xx_uart_resources[] __initdata = {
-	[0] = {
-		.resources	= s5pc1xx_uart0_resource,
-		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart0_resource),
-	},
-	[1] = {
-		.resources	= s5pc1xx_uart1_resource,
-		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart1_resource),
-	},
-	[2] = {
-		.resources	= s5pc1xx_uart2_resource,
-		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart2_resource),
-	},
-	[3] = {
-		.resources	= s5pc1xx_uart3_resource,
-		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart3_resource),
-	},
-};
diff --git a/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h b/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h
deleted file mode 100644
index 33ad267e847..00000000000
--- a/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* linux/arch/arm/plat-s5pc1xx/include/plat/gpio-eint.h
- *
- * Copyright 2009 Samsung Electronics Co.
- *
- * External Interrupt (GPH0 ~ GPH3) control register definitions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#define S5PC1XX_WKUP_INT_CON0_7		(S5PC1XX_EINT_BASE + 0x0)
-#define S5PC1XX_WKUP_INT_CON8_15	(S5PC1XX_EINT_BASE + 0x4)
-#define S5PC1XX_WKUP_INT_CON16_23	(S5PC1XX_EINT_BASE + 0x8)
-#define S5PC1XX_WKUP_INT_CON24_31	(S5PC1XX_EINT_BASE + 0xC)
-#define S5PC1XX_WKUP_INT_CON(x)		(S5PC1XX_WKUP_INT_CON0_7 + (x * 0x4))
-
-#define S5PC1XX_WKUP_INT_FLTCON0_3	(S5PC1XX_EINT_BASE + 0x80)
-#define S5PC1XX_WKUP_INT_FLTCON4_7	(S5PC1XX_EINT_BASE + 0x84)
-#define S5PC1XX_WKUP_INT_FLTCON8_11	(S5PC1XX_EINT_BASE + 0x88)
-#define S5PC1XX_WKUP_INT_FLTCON12_15	(S5PC1XX_EINT_BASE + 0x8C)
-#define S5PC1XX_WKUP_INT_FLTCON16_19	(S5PC1XX_EINT_BASE + 0x90)
-#define S5PC1XX_WKUP_INT_FLTCON20_23	(S5PC1XX_EINT_BASE + 0x94)
-#define S5PC1XX_WKUP_INT_FLTCON24_27	(S5PC1XX_EINT_BASE + 0x98)
-#define S5PC1XX_WKUP_INT_FLTCON28_31	(S5PC1XX_EINT_BASE + 0x9C)
-#define S5PC1XX_WKUP_INT_FLTCON(x)	(S5PC1XX_WKUP_INT_FLTCON0_3 + (x * 0x4))
-
-#define S5PC1XX_WKUP_INT_MASK0_7	(S5PC1XX_EINT_BASE + 0x100)
-#define S5PC1XX_WKUP_INT_MASK8_15	(S5PC1XX_EINT_BASE + 0x104)
-#define S5PC1XX_WKUP_INT_MASK16_23	(S5PC1XX_EINT_BASE + 0x108)
-#define S5PC1XX_WKUP_INT_MASK24_31	(S5PC1XX_EINT_BASE + 0x10C)
-#define S5PC1XX_WKUP_INT_MASK(x)	(S5PC1XX_WKUP_INT_MASK0_7 + (x * 0x4))
-
-#define S5PC1XX_WKUP_INT_PEND0_7	(S5PC1XX_EINT_BASE + 0x140)
-#define S5PC1XX_WKUP_INT_PEND8_15	(S5PC1XX_EINT_BASE + 0x144)
-#define S5PC1XX_WKUP_INT_PEND16_23	(S5PC1XX_EINT_BASE + 0x148)
-#define S5PC1XX_WKUP_INT_PEND24_31	(S5PC1XX_EINT_BASE + 0x14C)
-#define S5PC1XX_WKUP_INT_PEND(x)	(S5PC1XX_WKUP_INT_PEND0_7 + (x * 0x4))
-
-#define S5PC1XX_WKUP_INT_LOWLEV		(0x00)
-#define S5PC1XX_WKUP_INT_HILEV		(0x01)
-#define S5PC1XX_WKUP_INT_FALLEDGE	(0x02)
-#define S5PC1XX_WKUP_INT_RISEEDGE	(0x03)
-#define S5PC1XX_WKUP_INT_BOTHEDGE	(0x04)
diff --git a/arch/arm/plat-s5pc1xx/include/plat/irqs.h b/arch/arm/plat-s5pc1xx/include/plat/irqs.h
deleted file mode 100644
index 409c804315e..00000000000
--- a/arch/arm/plat-s5pc1xx/include/plat/irqs.h
+++ /dev/null
@@ -1,198 +0,0 @@
-/* linux/arch/arm/plat-s5pc1xx/include/plat/irqs.h
- *
- * Copyright 2009 Samsung Electronics Co.
- *      Byungho Min <bhmin@samsung.com>
- *
- * S5PC1XX - Common IRQ support
- *
- * Based on plat-s3c64xx/include/plat/irqs.h
- */
-
-#ifndef __ASM_PLAT_S5PC1XX_IRQS_H
-#define __ASM_PLAT_S5PC1XX_IRQS_H __FILE__
-
-/* we keep the first set of CPU IRQs out of the range of
- * the ISA space, so that the PC104 has them to itself
- * and we don't end up having to do horrible things to the
- * standard ISA drivers....
- *
- * note, since we're using the VICs, our start must be a
- * mulitple of 32 to allow the common code to work
- */
-
-#define S3C_IRQ_OFFSET		(32)
-
-#define S3C_IRQ(x)		((x) + S3C_IRQ_OFFSET)
-
-#define S3C_VIC0_BASE		S3C_IRQ(0)
-#define S3C_VIC1_BASE		S3C_IRQ(32)
-#define S3C_VIC2_BASE		S3C_IRQ(64)
-
-/* UART interrupts, each UART has 4 intterupts per channel so
- * use the space between the ISA and S3C main interrupts. Note, these
- * are not in the same order as the S3C24XX series! */
-
-#define IRQ_S3CUART_BASE0	(16)
-#define IRQ_S3CUART_BASE1	(20)
-#define IRQ_S3CUART_BASE2	(24)
-#define IRQ_S3CUART_BASE3	(28)
-
-#define UART_IRQ_RXD		(0)
-#define UART_IRQ_ERR		(1)
-#define UART_IRQ_TXD		(2)
-#define UART_IRQ_MODEM		(3)
-
-#define IRQ_S3CUART_RX0		(IRQ_S3CUART_BASE0 + UART_IRQ_RXD)
-#define IRQ_S3CUART_TX0		(IRQ_S3CUART_BASE0 + UART_IRQ_TXD)
-#define IRQ_S3CUART_ERR0	(IRQ_S3CUART_BASE0 + UART_IRQ_ERR)
-
-#define IRQ_S3CUART_RX1		(IRQ_S3CUART_BASE1 + UART_IRQ_RXD)
-#define IRQ_S3CUART_TX1		(IRQ_S3CUART_BASE1 + UART_IRQ_TXD)
-#define IRQ_S3CUART_ERR1	(IRQ_S3CUART_BASE1 + UART_IRQ_ERR)
-
-#define IRQ_S3CUART_RX2		(IRQ_S3CUART_BASE2 + UART_IRQ_RXD)
-#define IRQ_S3CUART_TX2		(IRQ_S3CUART_BASE2 + UART_IRQ_TXD)
-#define IRQ_S3CUART_ERR2	(IRQ_S3CUART_BASE2 + UART_IRQ_ERR)
-
-#define IRQ_S3CUART_RX3		(IRQ_S3CUART_BASE3 + UART_IRQ_RXD)
-#define IRQ_S3CUART_TX3		(IRQ_S3CUART_BASE3 + UART_IRQ_TXD)
-#define IRQ_S3CUART_ERR3	(IRQ_S3CUART_BASE3 + UART_IRQ_ERR)
-
-/* VIC based IRQs */
-
-#define S5PC1XX_IRQ_VIC0(x)	(S3C_VIC0_BASE + (x))
-#define S5PC1XX_IRQ_VIC1(x)	(S3C_VIC1_BASE + (x))
-#define S5PC1XX_IRQ_VIC2(x)	(S3C_VIC2_BASE + (x))
-
-/*
- * VIC0: system, DMA, timer
- */
-#define IRQ_EINT0		S5PC1XX_IRQ_VIC0(0)
-#define IRQ_EINT1		S5PC1XX_IRQ_VIC0(1)
-#define IRQ_EINT2		S5PC1XX_IRQ_VIC0(2)
-#define IRQ_EINT3		S5PC1XX_IRQ_VIC0(3)
-#define IRQ_EINT4		S5PC1XX_IRQ_VIC0(4)
-#define IRQ_EINT5		S5PC1XX_IRQ_VIC0(5)
-#define IRQ_EINT6		S5PC1XX_IRQ_VIC0(6)
-#define IRQ_EINT7		S5PC1XX_IRQ_VIC0(7)
-#define IRQ_EINT8		S5PC1XX_IRQ_VIC0(8)
-#define IRQ_EINT9		S5PC1XX_IRQ_VIC0(9)
-#define IRQ_EINT10		S5PC1XX_IRQ_VIC0(10)
-#define IRQ_EINT11		S5PC1XX_IRQ_VIC0(11)
-#define IRQ_EINT12		S5PC1XX_IRQ_VIC0(12)
-#define IRQ_EINT13		S5PC1XX_IRQ_VIC0(13)
-#define IRQ_EINT14		S5PC1XX_IRQ_VIC0(14)
-#define IRQ_EINT15		S5PC1XX_IRQ_VIC0(15)
-#define IRQ_EINT16_31		S5PC1XX_IRQ_VIC0(16)
-#define IRQ_BATF		S5PC1XX_IRQ_VIC0(17)
-#define IRQ_MDMA		S5PC1XX_IRQ_VIC0(18)
-#define IRQ_PDMA0		S5PC1XX_IRQ_VIC0(19)
-#define IRQ_PDMA1		S5PC1XX_IRQ_VIC0(20)
-#define IRQ_TIMER0_VIC		S5PC1XX_IRQ_VIC0(21)
-#define IRQ_TIMER1_VIC		S5PC1XX_IRQ_VIC0(22)
-#define IRQ_TIMER2_VIC		S5PC1XX_IRQ_VIC0(23)
-#define IRQ_TIMER3_VIC		S5PC1XX_IRQ_VIC0(24)
-#define IRQ_TIMER4_VIC		S5PC1XX_IRQ_VIC0(25)
-#define IRQ_SYSTIMER		S5PC1XX_IRQ_VIC0(26)
-#define IRQ_WDT			S5PC1XX_IRQ_VIC0(27)
-#define IRQ_RTC_ALARM		S5PC1XX_IRQ_VIC0(28)
-#define IRQ_RTC_TIC		S5PC1XX_IRQ_VIC0(29)
-#define IRQ_GPIOINT		S5PC1XX_IRQ_VIC0(30)
-
-/*
- * VIC1: ARM, power, memory, connectivity
- */
-#define IRQ_CORTEX0		S5PC1XX_IRQ_VIC1(0)
-#define IRQ_CORTEX1		S5PC1XX_IRQ_VIC1(1)
-#define IRQ_CORTEX2		S5PC1XX_IRQ_VIC1(2)
-#define IRQ_CORTEX3		S5PC1XX_IRQ_VIC1(3)
-#define IRQ_CORTEX4		S5PC1XX_IRQ_VIC1(4)
-#define IRQ_IEMAPC		S5PC1XX_IRQ_VIC1(5)
-#define IRQ_IEMIEC		S5PC1XX_IRQ_VIC1(6)
-#define IRQ_ONENAND		S5PC1XX_IRQ_VIC1(7)
-#define IRQ_NFC			S5PC1XX_IRQ_VIC1(8)
-#define IRQ_CFC			S5PC1XX_IRQ_VIC1(9)
-#define IRQ_UART0		S5PC1XX_IRQ_VIC1(10)
-#define IRQ_UART1		S5PC1XX_IRQ_VIC1(11)
-#define IRQ_UART2		S5PC1XX_IRQ_VIC1(12)
-#define IRQ_UART3		S5PC1XX_IRQ_VIC1(13)
-#define IRQ_IIC			S5PC1XX_IRQ_VIC1(14)
-#define IRQ_SPI0		S5PC1XX_IRQ_VIC1(15)
-#define IRQ_SPI1		S5PC1XX_IRQ_VIC1(16)
-#define IRQ_SPI2		S5PC1XX_IRQ_VIC1(17)
-#define IRQ_IRDA		S5PC1XX_IRQ_VIC1(18)
-#define IRQ_CAN0		S5PC1XX_IRQ_VIC1(19)
-#define IRQ_CAN1		S5PC1XX_IRQ_VIC1(20)
-#define IRQ_HSIRX		S5PC1XX_IRQ_VIC1(21)
-#define IRQ_HSITX		S5PC1XX_IRQ_VIC1(22)
-#define IRQ_UHOST		S5PC1XX_IRQ_VIC1(23)
-#define IRQ_OTG			S5PC1XX_IRQ_VIC1(24)
-#define IRQ_MSM			S5PC1XX_IRQ_VIC1(25)
-#define IRQ_HSMMC0		S5PC1XX_IRQ_VIC1(26)
-#define IRQ_HSMMC1		S5PC1XX_IRQ_VIC1(27)
-#define IRQ_HSMMC2		S5PC1XX_IRQ_VIC1(28)
-#define IRQ_MIPICSI		S5PC1XX_IRQ_VIC1(29)
-#define IRQ_MIPIDSI		S5PC1XX_IRQ_VIC1(30)
-
-/*
- * VIC2: multimedia, audio, security
- */
-#define IRQ_LCD0		S5PC1XX_IRQ_VIC2(0)
-#define IRQ_LCD1		S5PC1XX_IRQ_VIC2(1)
-#define IRQ_LCD2		S5PC1XX_IRQ_VIC2(2)
-#define IRQ_LCD3		S5PC1XX_IRQ_VIC2(3)
-#define IRQ_ROTATOR		S5PC1XX_IRQ_VIC2(4)
-#define IRQ_FIMC0		S5PC1XX_IRQ_VIC2(5)
-#define IRQ_FIMC1		S5PC1XX_IRQ_VIC2(6)
-#define IRQ_FIMC2		S5PC1XX_IRQ_VIC2(7)
-#define IRQ_JPEG		S5PC1XX_IRQ_VIC2(8)
-#define IRQ_2D			S5PC1XX_IRQ_VIC2(9)
-#define IRQ_3D			S5PC1XX_IRQ_VIC2(10)
-#define IRQ_MIXER		S5PC1XX_IRQ_VIC2(11)
-#define IRQ_HDMI		S5PC1XX_IRQ_VIC2(12)
-#define IRQ_IIC1		S5PC1XX_IRQ_VIC2(13)
-#define IRQ_MFC			S5PC1XX_IRQ_VIC2(14)
-#define IRQ_TVENC		S5PC1XX_IRQ_VIC2(15)
-#define IRQ_I2S0		S5PC1XX_IRQ_VIC2(16)
-#define IRQ_I2S1		S5PC1XX_IRQ_VIC2(17)
-#define IRQ_I2S2		S5PC1XX_IRQ_VIC2(18)
-#define IRQ_AC97		S5PC1XX_IRQ_VIC2(19)
-#define IRQ_PCM0		S5PC1XX_IRQ_VIC2(20)
-#define IRQ_PCM1		S5PC1XX_IRQ_VIC2(21)
-#define IRQ_SPDIF		S5PC1XX_IRQ_VIC2(22)
-#define IRQ_ADC			S5PC1XX_IRQ_VIC2(23)
-#define IRQ_PENDN		S5PC1XX_IRQ_VIC2(24)
-#define IRQ_TC			IRQ_PENDN
-#define IRQ_KEYPAD		S5PC1XX_IRQ_VIC2(25)
-#define IRQ_CG			S5PC1XX_IRQ_VIC2(26)
-#define IRQ_SEC			S5PC1XX_IRQ_VIC2(27)
-#define IRQ_SECRX		S5PC1XX_IRQ_VIC2(28)
-#define IRQ_SECTX		S5PC1XX_IRQ_VIC2(29)
-#define IRQ_SDMIRQ		S5PC1XX_IRQ_VIC2(30)
-#define IRQ_SDMFIQ		S5PC1XX_IRQ_VIC2(31)
-
-#define IRQ_TIMER(x)		(IRQ_SDMFIQ + 1 + (x))
-#define IRQ_TIMER0		IRQ_TIMER(0)
-#define IRQ_TIMER1		IRQ_TIMER(1)
-#define IRQ_TIMER2		IRQ_TIMER(2)
-#define IRQ_TIMER3		IRQ_TIMER(3)
-#define IRQ_TIMER4		IRQ_TIMER(4)
-
-/* External interrupt */
-#define S3C_IRQ_EINT_BASE	(IRQ_SDMFIQ + 6)
-
-#define S3C_EINT(x)		(S3C_IRQ_EINT_BASE + (x - 16))
-#define IRQ_EINT(x)		(x < 16 ? IRQ_EINT0 + x : S3C_EINT(x))
-#define IRQ_EINT_BIT(x)		(x < IRQ_EINT16_31 ? x - IRQ_EINT0 : x - S3C_EINT(0))
-
-/* GPIO interrupt */
-#define S3C_IRQ_GPIO_BASE	(IRQ_EINT(31) + 1)
-#define S3C_IRQ_GPIO(x)		(S3C_IRQ_GPIO_BASE + (x))
-
-/*
- * Until MP04 Groups -> 40 (exactly 39) Groups * 8 ~= 320 GPIOs
- */
-#define NR_IRQS			(S3C_IRQ_GPIO(320) + 1)
-
-#endif /* __ASM_PLAT_S5PC1XX_IRQS_H */
-
diff --git a/arch/arm/plat-s5pc1xx/include/plat/pll.h b/arch/arm/plat-s5pc1xx/include/plat/pll.h
deleted file mode 100644
index 21afef1573e..00000000000
--- a/arch/arm/plat-s5pc1xx/include/plat/pll.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* arch/arm/plat-s5pc1xx/include/plat/pll.h
- *
- * Copyright 2009 Samsung Electronics Co.
- *	Byungho Min <bhmin@samsung.com>
- *
- * S5PC1XX PLL code
- *
- * Based on plat-s3c64xx/include/plat/pll.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#define S5P_PLL_MDIV_MASK	((1 << (25-16+1)) - 1)
-#define S5P_PLL_PDIV_MASK	((1 << (13-8+1)) - 1)
-#define S5P_PLL_SDIV_MASK	((1 << (2-0+1)) - 1)
-#define S5P_PLL_MDIV_SHIFT	(16)
-#define S5P_PLL_PDIV_SHIFT	(8)
-#define S5P_PLL_SDIV_SHIFT	(0)
-
-#include <asm/div64.h>
-
-static inline unsigned long s5pc1xx_get_pll(unsigned long baseclk,
-					    u32 pllcon)
-{
-	u32 mdiv, pdiv, sdiv;
-	u64 fvco = baseclk;
-
-	mdiv = (pllcon >> S5P_PLL_MDIV_SHIFT) & S5P_PLL_MDIV_MASK;
-	pdiv = (pllcon >> S5P_PLL_PDIV_SHIFT) & S5P_PLL_PDIV_MASK;
-	sdiv = (pllcon >> S5P_PLL_SDIV_SHIFT) & S5P_PLL_SDIV_MASK;
-
-	fvco *= mdiv;
-	do_div(fvco, (pdiv << sdiv));
-
-	return (unsigned long)fvco;
-}
diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h b/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
deleted file mode 100644
index 24dec4e5253..00000000000
--- a/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
+++ /dev/null
@@ -1,252 +0,0 @@
-/* arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
- *
- * Copyright 2009 Samsung Electronics Co.
- *	Byungho Min <bhmin@samsung.com>
- *
- * S5PC1XX clock register definitions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __PLAT_REGS_CLOCK_H
-#define __PLAT_REGS_CLOCK_H __FILE__
-
-#define S5PC100_CLKREG(x)		(S5PC1XX_VA_CLK + (x))
-#define S5PC100_CLKREG_OTHER(x)		(S5PC1XX_VA_CLK_OTHER + (x))
-
-/* s5pc100 register for clock */
-#define S5PC100_APLL_LOCK		S5PC100_CLKREG(0x00)
-#define S5PC100_MPLL_LOCK		S5PC100_CLKREG(0x04)
-#define S5PC100_EPLL_LOCK		S5PC100_CLKREG(0x08)
-#define S5PC100_HPLL_LOCK		S5PC100_CLKREG(0x0C)
-
-#define S5PC100_APLL_CON		S5PC100_CLKREG(0x100)
-#define S5PC100_MPLL_CON		S5PC100_CLKREG(0x104)
-#define S5PC100_EPLL_CON		S5PC100_CLKREG(0x108)
-#define S5PC100_HPLL_CON		S5PC100_CLKREG(0x10C)
-
-#define S5PC100_CLKSRC0			S5PC100_CLKREG(0x200)
-#define S5PC100_CLKSRC1			S5PC100_CLKREG(0x204)
-#define S5PC100_CLKSRC2			S5PC100_CLKREG(0x208)
-#define S5PC100_CLKSRC3			S5PC100_CLKREG(0x20C)
-
-#define S5PC100_CLKDIV0			S5PC100_CLKREG(0x300)
-#define S5PC100_CLKDIV1			S5PC100_CLKREG(0x304)
-#define S5PC100_CLKDIV2			S5PC100_CLKREG(0x308)
-#define S5PC100_CLKDIV3			S5PC100_CLKREG(0x30C)
-#define S5PC100_CLKDIV4			S5PC100_CLKREG(0x310)
-
-#define S5PC100_CLK_OUT			S5PC100_CLKREG(0x400)
-
-#define S5PC100_CLKGATE_D00		S5PC100_CLKREG(0x500)
-#define S5PC100_CLKGATE_D01		S5PC100_CLKREG(0x504)
-#define S5PC100_CLKGATE_D02		S5PC100_CLKREG(0x508)
-
-#define S5PC100_CLKGATE_D10		S5PC100_CLKREG(0x520)
-#define S5PC100_CLKGATE_D11		S5PC100_CLKREG(0x524)
-#define S5PC100_CLKGATE_D12		S5PC100_CLKREG(0x528)
-#define S5PC100_CLKGATE_D13		S5PC100_CLKREG(0x52C)
-#define S5PC100_CLKGATE_D14		S5PC100_CLKREG(0x530)
-#define S5PC100_CLKGATE_D15		S5PC100_CLKREG(0x534)
-
-#define S5PC100_CLKGATE_D20		S5PC100_CLKREG(0x540)
-
-#define S5PC100_SCLKGATE0		S5PC100_CLKREG(0x560)
-#define S5PC100_SCLKGATE1		S5PC100_CLKREG(0x564)
-
-/* EPLL_CON */
-#define S5PC100_EPLL_EN			(1<<31)
-#define S5PC100_EPLL_MASK		0xffffffff
-#define S5PC100_EPLLVAL(_m, _p, _s)	((_m) << 16 | ((_p) << 8) | ((_s)))
-
-/* CLKSRC0..CLKSRC3 -> mostly removed due to clksrc updates */
-#define S5PC100_CLKSRC1_CLK48M_MASK	(0x1<<24)
-#define S5PC100_CLKSRC1_CLK48M_SHIFT	(24)
-
-/* CLKDIV0 */
-#define S5PC100_CLKDIV0_APLL_MASK		(0x1<<0)
-#define S5PC100_CLKDIV0_APLL_SHIFT		(0)
-#define S5PC100_CLKDIV0_ARM_MASK		(0x7<<4)
-#define S5PC100_CLKDIV0_ARM_SHIFT		(4)
-#define S5PC100_CLKDIV0_D0_MASK		(0x7<<8)
-#define S5PC100_CLKDIV0_D0_SHIFT		(8)
-#define S5PC100_CLKDIV0_PCLKD0_MASK		(0x7<<12)
-#define S5PC100_CLKDIV0_PCLKD0_SHIFT	(12)
-#define S5PC100_CLKDIV0_SECSS_MASK		(0x7<<16)
-#define S5PC100_CLKDIV0_SECSS_SHIFT		(16)
-
-/* CLKDIV1 (OneNAND clock only used in one place, removed) */
-#define S5PC100_CLKDIV1_APLL2_MASK		(0x7<<0)
-#define S5PC100_CLKDIV1_APLL2_SHIFT		(0)
-#define S5PC100_CLKDIV1_MPLL_MASK		(0x3<<4)
-#define S5PC100_CLKDIV1_MPLL_SHIFT		(4)
-#define S5PC100_CLKDIV1_MPLL2_MASK		(0x1<<8)
-#define S5PC100_CLKDIV1_MPLL2_SHIFT		(8)
-#define S5PC100_CLKDIV1_D1_MASK		(0x7<<12)
-#define S5PC100_CLKDIV1_D1_SHIFT		(12)
-#define S5PC100_CLKDIV1_PCLKD1_MASK		(0x7<<16)
-#define S5PC100_CLKDIV1_PCLKD1_SHIFT	(16)
-#define S5PC100_CLKDIV1_CAM_MASK		(0x1F<<24)
-#define S5PC100_CLKDIV1_CAM_SHIFT		(24)
-
-/* CLKDIV2 => removed in clksrc update */
-/* CLKDIV3 => removed in clksrc update, or not needed */
-/* CLKDIV4 => removed in clksrc update, or not needed */
-
-/* HCLKD0/PCLKD0 Clock Gate 0 Registers */
-#define S5PC100_CLKGATE_D00_INTC		(1<<0)
-#define S5PC100_CLKGATE_D00_TZIC		(1<<1)
-#define S5PC100_CLKGATE_D00_CFCON		(1<<2)
-#define S5PC100_CLKGATE_D00_MDMA		(1<<3)
-#define S5PC100_CLKGATE_D00_G2D		(1<<4)
-#define S5PC100_CLKGATE_D00_SECSS		(1<<5)
-#define S5PC100_CLKGATE_D00_CSSYS		(1<<6)
-
-/* HCLKD0/PCLKD0 Clock Gate 1 Registers */
-#define S5PC100_CLKGATE_D01_DMC		(1<<0)
-#define S5PC100_CLKGATE_D01_SROMC		(1<<1)
-#define S5PC100_CLKGATE_D01_ONENAND		(1<<2)
-#define S5PC100_CLKGATE_D01_NFCON		(1<<3)
-#define S5PC100_CLKGATE_D01_INTMEM		(1<<4)
-#define S5PC100_CLKGATE_D01_EBI		(1<<5)
-
-/* PCLKD0 Clock Gate 2 Registers */
-#define S5PC100_CLKGATE_D02_SECKEY		(1<<1)
-#define S5PC100_CLKGATE_D02_SDM		(1<<2)
-
-/* HCLKD1/PCLKD1 Clock Gate 0 Registers */
-#define S5PC100_CLKGATE_D10_PDMA0		(1<<0)
-#define S5PC100_CLKGATE_D10_PDMA1		(1<<1)
-#define S5PC100_CLKGATE_D10_USBHOST		(1<<2)
-#define S5PC100_CLKGATE_D10_USBOTG		(1<<3)
-#define S5PC100_CLKGATE_D10_MODEMIF		(1<<4)
-#define S5PC100_CLKGATE_D10_HSMMC0		(1<<5)
-#define S5PC100_CLKGATE_D10_HSMMC1		(1<<6)
-#define S5PC100_CLKGATE_D10_HSMMC2		(1<<7)
-
-/* HCLKD1/PCLKD1 Clock Gate 1 Registers */
-#define S5PC100_CLKGATE_D11_LCD		(1<<0)
-#define S5PC100_CLKGATE_D11_ROTATOR		(1<<1)
-#define S5PC100_CLKGATE_D11_FIMC0		(1<<2)
-#define S5PC100_CLKGATE_D11_FIMC1		(1<<3)
-#define S5PC100_CLKGATE_D11_FIMC2		(1<<4)
-#define S5PC100_CLKGATE_D11_JPEG		(1<<5)
-#define S5PC100_CLKGATE_D11_DSI		(1<<6)
-#define S5PC100_CLKGATE_D11_CSI		(1<<7)
-#define S5PC100_CLKGATE_D11_G3D		(1<<8)
-
-/* HCLKD1/PCLKD1 Clock Gate 2 Registers */
-#define S5PC100_CLKGATE_D12_TV		(1<<0)
-#define S5PC100_CLKGATE_D12_VP		(1<<1)
-#define S5PC100_CLKGATE_D12_MIXER		(1<<2)
-#define S5PC100_CLKGATE_D12_HDMI		(1<<3)
-#define S5PC100_CLKGATE_D12_MFC		(1<<4)
-
-/* HCLKD1/PCLKD1 Clock Gate 3 Registers */
-#define S5PC100_CLKGATE_D13_CHIPID		(1<<0)
-#define S5PC100_CLKGATE_D13_GPIO		(1<<1)
-#define S5PC100_CLKGATE_D13_APC		(1<<2)
-#define S5PC100_CLKGATE_D13_IEC		(1<<3)
-#define S5PC100_CLKGATE_D13_PWM		(1<<6)
-#define S5PC100_CLKGATE_D13_SYSTIMER	(1<<7)
-#define S5PC100_CLKGATE_D13_WDT		(1<<8)
-#define S5PC100_CLKGATE_D13_RTC		(1<<9)
-
-/* HCLKD1/PCLKD1 Clock Gate 4 Registers */
-#define S5PC100_CLKGATE_D14_UART0		(1<<0)
-#define S5PC100_CLKGATE_D14_UART1		(1<<1)
-#define S5PC100_CLKGATE_D14_UART2		(1<<2)
-#define S5PC100_CLKGATE_D14_UART3		(1<<3)
-#define S5PC100_CLKGATE_D14_IIC		(1<<4)
-#define S5PC100_CLKGATE_D14_HDMI_IIC	(1<<5)
-#define S5PC100_CLKGATE_D14_SPI0		(1<<6)
-#define S5PC100_CLKGATE_D14_SPI1		(1<<7)
-#define S5PC100_CLKGATE_D14_SPI2		(1<<8)
-#define S5PC100_CLKGATE_D14_IRDA		(1<<9)
-#define S5PC100_CLKGATE_D14_CCAN0		(1<<10)
-#define S5PC100_CLKGATE_D14_CCAN1		(1<<11)
-#define S5PC100_CLKGATE_D14_HSITX		(1<<12)
-#define S5PC100_CLKGATE_D14_HSIRX		(1<<13)
-
-/* HCLKD1/PCLKD1 Clock Gate 5 Registers */
-#define S5PC100_CLKGATE_D15_IIS0		(1<<0)
-#define S5PC100_CLKGATE_D15_IIS1		(1<<1)
-#define S5PC100_CLKGATE_D15_IIS2		(1<<2)
-#define S5PC100_CLKGATE_D15_AC97		(1<<3)
-#define S5PC100_CLKGATE_D15_PCM0		(1<<4)
-#define S5PC100_CLKGATE_D15_PCM1		(1<<5)
-#define S5PC100_CLKGATE_D15_SPDIF		(1<<6)
-#define S5PC100_CLKGATE_D15_TSADC		(1<<7)
-#define S5PC100_CLKGATE_D15_KEYIF		(1<<8)
-#define S5PC100_CLKGATE_D15_CG		(1<<9)
-
-/* HCLKD2 Clock Gate 0 Registers */
-#define S5PC100_CLKGATE_D20_HCLKD2		(1<<0)
-#define S5PC100_CLKGATE_D20_I2SD2		(1<<1)
-
-/* Special Clock Gate 0 Registers */
-#define	S5PC100_CLKGATE_SCLK0_HPM		(1<<0)
-#define	S5PC100_CLKGATE_SCLK0_PWI		(1<<1)
-#define	S5PC100_CLKGATE_SCLK0_ONENAND	(1<<2)
-#define	S5PC100_CLKGATE_SCLK0_UART		(1<<3)
-#define	S5PC100_CLKGATE_SCLK0_SPI0		(1<<4)
-#define	S5PC100_CLKGATE_SCLK0_SPI1		(1<<5)
-#define	S5PC100_CLKGATE_SCLK0_SPI2		(1<<6)
-#define	S5PC100_CLKGATE_SCLK0_SPI0_48	(1<<7)
-#define	S5PC100_CLKGATE_SCLK0_SPI1_48	(1<<8)
-#define	S5PC100_CLKGATE_SCLK0_SPI2_48	(1<<9)
-#define	S5PC100_CLKGATE_SCLK0_IRDA		(1<<10)
-#define	S5PC100_CLKGATE_SCLK0_USBHOST	(1<<11)
-#define	S5PC100_CLKGATE_SCLK0_MMC0		(1<<12)
-#define	S5PC100_CLKGATE_SCLK0_MMC1		(1<<13)
-#define	S5PC100_CLKGATE_SCLK0_MMC2		(1<<14)
-#define	S5PC100_CLKGATE_SCLK0_MMC0_48	(1<<15)
-#define	S5PC100_CLKGATE_SCLK0_MMC1_48	(1<<16)
-#define	S5PC100_CLKGATE_SCLK0_MMC2_48	(1<<17)
-
-/* Special Clock Gate 1 Registers */
-#define	S5PC100_CLKGATE_SCLK1_LCD		(1<<0)
-#define	S5PC100_CLKGATE_SCLK1_FIMC0		(1<<1)
-#define	S5PC100_CLKGATE_SCLK1_FIMC1		(1<<2)
-#define	S5PC100_CLKGATE_SCLK1_FIMC2		(1<<3)
-#define	S5PC100_CLKGATE_SCLK1_TV54		(1<<4)
-#define	S5PC100_CLKGATE_SCLK1_VDAC54	(1<<5)
-#define	S5PC100_CLKGATE_SCLK1_MIXER		(1<<6)
-#define	S5PC100_CLKGATE_SCLK1_HDMI		(1<<7)
-#define	S5PC100_CLKGATE_SCLK1_AUDIO0	(1<<8)
-#define	S5PC100_CLKGATE_SCLK1_AUDIO1	(1<<9)
-#define	S5PC100_CLKGATE_SCLK1_AUDIO2	(1<<10)
-#define	S5PC100_CLKGATE_SCLK1_SPDIF		(1<<11)
-#define	S5PC100_CLKGATE_SCLK1_CAM		(1<<12)
-
-#define S5PC100_SWRESET		S5PC100_CLKREG_OTHER(0x000)
-#define S5PC100_OND_SWRESET	S5PC100_CLKREG_OTHER(0x008)
-#define S5PC100_GEN_CTRL	S5PC100_CLKREG_OTHER(0x100)
-#define S5PC100_GEN_STATUS	S5PC100_CLKREG_OTHER(0x104)
-#define S5PC100_MEM_SYS_CFG	S5PC100_CLKREG_OTHER(0x200)
-#define S5PC100_CAM_MUX_SEL	S5PC100_CLKREG_OTHER(0x300)
-#define S5PC100_MIXER_OUT_SEL	S5PC100_CLKREG_OTHER(0x304)
-#define S5PC100_LPMP_MODE_SEL	S5PC100_CLKREG_OTHER(0x308)
-#define S5PC100_MIPI_PHY_CON0	S5PC100_CLKREG_OTHER(0x400)
-#define S5PC100_MIPI_PHY_CON1	S5PC100_CLKREG_OTHER(0x414)
-#define S5PC100_HDMI_PHY_CON0	S5PC100_CLKREG_OTHER(0x420)
-
-#define S5PC100_SWRESET_RESETVAL	0xc100
-#define S5PC100_OTHER_SYS_INT	24
-#define S5PC100_OTHER_STA_TYPE	23
-#define STA_TYPE_EXPON		0
-#define STA_TYPE_SFR		1
-
-#define S5PC100_SLEEP_CFG_OSC_EN	0
-
-/* OTHERS Resgister */
-#define S5PC100_OTHERS_USB_SIG_MASK	(1 << 16)
-#define S5PC100_OTHERS_MIPI_DPHY_EN		(1 << 28)
-
-/* MIPI D-PHY Control Register 0 */
-#define S5PC100_MIPI_PHY_CON0_M_RESETN	(1 << 1)
-#define S5PC100_MIPI_PHY_CON0_S_RESETN	(1 << 0)
-
-#endif /* _PLAT_REGS_CLOCK_H */
diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-power.h b/arch/arm/plat-s5pc1xx/include/plat/regs-power.h
deleted file mode 100644
index 02ffa491b53..00000000000
--- a/arch/arm/plat-s5pc1xx/include/plat/regs-power.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/* arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
- *
- * Copyright 2009 Samsung Electronics Co.
- *	Jongse Won <jongse.won@samsung.com>
- *
- * S5PC1XX clock register definitions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARM_REGS_PWR
-#define __ASM_ARM_REGS_PWR __FILE__
-
-#define S5PC1XX_PWRREG(x)			(S5PC1XX_VA_PWR + (x))
-
-/* s5pc100 (0xE0108000) register for power management */
-#define S5PC100_PWR_CFG				S5PC1XX_PWRREG(0x0)
-#define S5PC100_EINT_WAKEUP_MASK		S5PC1XX_PWRREG(0x4)
-#define S5PC100_NORMAL_CFG			S5PC1XX_PWRREG(0x10)
-#define S5PC100_STOP_CFG			S5PC1XX_PWRREG(0x14)
-#define S5PC100_SLEEP_CFG			S5PC1XX_PWRREG(0x18)
-#define S5PC100_STOP_MEM_CFG			S5PC1XX_PWRREG(0x1C)
-#define S5PC100_OSC_FREQ			S5PC1XX_PWRREG(0x100)
-#define S5PC100_OSC_STABLE			S5PC1XX_PWRREG(0x104)
-#define S5PC100_PWR_STABLE			S5PC1XX_PWRREG(0x108)
-#define S5PC100_MTC_STABLE			S5PC1XX_PWRREG(0x110)
-#define S5PC100_CLAMP_STABLE			S5PC1XX_PWRREG(0x114)
-#define S5PC100_OTHERS				S5PC1XX_PWRREG(0x200)
-#define S5PC100_RST_STAT			S5PC1XX_PWRREG(0x300)
-#define S5PC100_WAKEUP_STAT			S5PC1XX_PWRREG(0x304)
-#define S5PC100_BLK_PWR_STAT			S5PC1XX_PWRREG(0x308)
-#define S5PC100_INFORM0				S5PC1XX_PWRREG(0x400)
-#define S5PC100_INFORM1				S5PC1XX_PWRREG(0x404)
-#define S5PC100_INFORM2				S5PC1XX_PWRREG(0x408)
-#define S5PC100_INFORM3				S5PC1XX_PWRREG(0x40C)
-#define S5PC100_INFORM4				S5PC1XX_PWRREG(0x410)
-#define S5PC100_INFORM5				S5PC1XX_PWRREG(0x414)
-#define S5PC100_INFORM6				S5PC1XX_PWRREG(0x418)
-#define S5PC100_INFORM7				S5PC1XX_PWRREG(0x41C)
-#define S5PC100_DCGIDX_MAP0			S5PC1XX_PWRREG(0x500)
-#define S5PC100_DCGIDX_MAP1			S5PC1XX_PWRREG(0x504)
-#define S5PC100_DCGIDX_MAP2			S5PC1XX_PWRREG(0x508)
-#define S5PC100_DCGPERF_MAP0			S5PC1XX_PWRREG(0x50C)
-#define S5PC100_DCGPERF_MAP1			S5PC1XX_PWRREG(0x510)
-#define S5PC100_DVCIDX_MAP			S5PC1XX_PWRREG(0x514)
-#define S5PC100_FREQ_CPU			S5PC1XX_PWRREG(0x518)
-#define S5PC100_FREQ_DPM			S5PC1XX_PWRREG(0x51C)
-#define S5PC100_DVSEMCLK_EN			S5PC1XX_PWRREG(0x520)
-#define S5PC100_APLL_CON_L8			S5PC1XX_PWRREG(0x600)
-#define S5PC100_APLL_CON_L7			S5PC1XX_PWRREG(0x604)
-#define S5PC100_APLL_CON_L6			S5PC1XX_PWRREG(0x608)
-#define S5PC100_APLL_CON_L5			S5PC1XX_PWRREG(0x60C)
-#define S5PC100_APLL_CON_L4			S5PC1XX_PWRREG(0x610)
-#define S5PC100_APLL_CON_L3			S5PC1XX_PWRREG(0x614)
-#define S5PC100_APLL_CON_L2			S5PC1XX_PWRREG(0x618)
-#define S5PC100_APLL_CON_L1			S5PC1XX_PWRREG(0x61C)
-#define S5PC100_IEM_CONTROL			S5PC1XX_PWRREG(0x620)
-#define S5PC100_CLKDIV_IEM_L8			S5PC1XX_PWRREG(0x700)
-#define S5PC100_CLKDIV_IEM_L7			S5PC1XX_PWRREG(0x704)
-#define S5PC100_CLKDIV_IEM_L6			S5PC1XX_PWRREG(0x708)
-#define S5PC100_CLKDIV_IEM_L5			S5PC1XX_PWRREG(0x70C)
-#define S5PC100_CLKDIV_IEM_L4			S5PC1XX_PWRREG(0x710)
-#define S5PC100_CLKDIV_IEM_L3			S5PC1XX_PWRREG(0x714)
-#define S5PC100_CLKDIV_IEM_L2			S5PC1XX_PWRREG(0x718)
-#define S5PC100_CLKDIV_IEM_L1			S5PC1XX_PWRREG(0x71C)
-#define S5PC100_IEM_HPMCLK_DIV			S5PC1XX_PWRREG(0x724)
-
-/* PWR_CFG */
-#define S5PC100_PWRCFG_CFG_DEEP_IDLE		(1 << 31)
-#define S5PC100_PWRCFG_CFG_WFI_MASK		(3 << 5)
-#define S5PC100_PWRCFG_CFG_WFI_IDLE		(0 << 5)
-#define S5PC100_PWRCFG_CFG_WFI_DEEP_IDLE	(1 << 5)
-#define S5PC100_PWRCFG_CFG_WFI_STOP		(2 << 5)
-#define S5PC100_PWRCFG_CFG_WFI_SLEEP		(3 << 5)
-
-/* SLEEP_CFG */
-#define S5PC100_SLEEP_OSC_EN_SLEEP		(1 << 0)
-
-/* OTHERS */
-#define S5PC100_PMU_INT_DISABLE			(1 << 24)
-
-#endif /* __ASM_ARM_REGS_PWR */
diff --git a/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h b/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h
deleted file mode 100644
index 2531f34a56f..00000000000
--- a/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* arch/arm/plat-s5pc1xx/include/plat/s5pc100.h
- *
- * Copyright 2009 Samsung Electronics Co.
- *	Byungho Min <bhmin@samsung.com>
- *
- * Header file for s5pc100 cpu support
- *
- * Based on plat-s3c64xx/include/plat/s3c6400.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-/* Common init code for S5PC100 related SoCs */
-extern  int s5pc100_init(void);
-extern void s5pc100_map_io(void);
-extern void s5pc100_init_clocks(int xtal);
-extern  int s5pc100_register_baseclocks(unsigned long xtal);
-extern void s5pc100_init_irq(void);
-extern void s5pc100_init_io(struct map_desc *mach_desc, int size);
-extern void s5pc100_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-extern void s5pc100_register_clocks(void);
-extern void s5pc100_setup_clocks(void);
-extern struct sysdev_class s5pc100_sysclass;
-
-#define s5pc100_init_uarts s5pc100_common_init_uarts
-
-/* Some day, belows will be moved to plat-s5pc/include/plat/cpu.h */
-extern void s5pc1xx_init_irq(u32 *vic_valid, int num);
-extern void s5pc1xx_init_io(struct map_desc *mach_desc, int size);
-
-/* Some day, belows will be moved to plat-s5pc/include/plat/clock.h */
-extern struct clk clk_hpll;
-extern struct clk clk_hd0;
-extern struct clk clk_pd0;
-extern struct clk clk_54m;
-extern void s5pc1xx_register_clocks(void);
-extern int s5pc100_sclk0_ctrl(struct clk *clk, int enable);
-extern int s5pc100_sclk1_ctrl(struct clk *clk, int enable);
-
-/* Some day, belows will be moved to plat-s5pc/include/plat/devs.h */
-extern struct s3c24xx_uart_resources s5pc1xx_uart_resources[];
-extern struct platform_device s3c_device_g2d;
-extern struct platform_device s3c_device_g3d;
-extern struct platform_device s3c_device_vpp;
-extern struct platform_device s3c_device_tvenc;
-extern struct platform_device s3c_device_tvscaler;
-extern struct platform_device s3c_device_rotator;
-extern struct platform_device s3c_device_jpeg;
-extern struct platform_device s3c_device_onenand;
-extern struct platform_device s3c_device_usb_otghcd;
-extern struct platform_device s3c_device_keypad;
-extern struct platform_device s3c_device_ts;
-extern struct platform_device s3c_device_g3d;
-extern struct platform_device s3c_device_smc911x;
-extern struct platform_device s3c_device_fimc0;
-extern struct platform_device s3c_device_fimc1;
-extern struct platform_device s3c_device_mfc;
-extern struct platform_device s3c_device_ac97;
-extern struct platform_device s3c_device_fimc0;
-extern struct platform_device s3c_device_fimc1;
-extern struct platform_device s3c_device_fimc2;
-
diff --git a/arch/arm/plat-s5pc1xx/irq-eint.c b/arch/arm/plat-s5pc1xx/irq-eint.c
deleted file mode 100644
index 373122f57d5..00000000000
--- a/arch/arm/plat-s5pc1xx/irq-eint.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * linux/arch/arm/plat-s5pc1xx/irq-eint.c
- *
- *  Copyright 2009 Samsung Electronics Co.
- *  Byungho Min <bhmin@samsung.com>
- *  Kyungin Park <kyungmin.park@samsung.com>
- *
- * Based on plat-s3c64xx/irq-eint.c
- *
- * S5PC1XX - Interrupt handling for IRQ_EINT(x)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/sysdev.h>
-#include <linux/pm.h>
-#include <linux/gpio.h>
-
-#include <asm/hardware/vic.h>
-
-#include <mach/map.h>
-
-#include <plat/gpio-cfg.h>
-#include <plat/gpio-ext.h>
-#include <plat/pm.h>
-#include <plat/regs-gpio.h>
-#include <plat/regs-irqtype.h>
-
-/*
- * bank is a group of external interrupt
- * bank0 means EINT0 ... EINT7
- * bank1 means EINT8 ... EINT15
- * bank2 means EINT16 ... EINT23
- * bank3 means EINT24 ... EINT31
- */
-
-static inline int s3c_get_eint(unsigned int irq)
-{
-	int real;
-
-	if (irq < IRQ_EINT16_31)
-		real = (irq - IRQ_EINT0);
-	else
-		real = (irq - S3C_IRQ_EINT_BASE) + IRQ_EINT16_31 - IRQ_EINT0;
-
-	return real;
-}
-
-static inline int s3c_get_bank(unsigned int irq)
-{
-	return s3c_get_eint(irq) >> 3;
-}
-
-static inline int s3c_eint_to_bit(unsigned int irq)
-{
-	int real, bit;
-
-	real = s3c_get_eint(irq);
-	bit = 1 << (real & (8 - 1));
-
-	return bit;
-}
-
-static inline void s3c_irq_eint_mask(unsigned int irq)
-{
-	u32 mask;
-	u32 bank = s3c_get_bank(irq);
-
-	mask = __raw_readl(S5PC1XX_WKUP_INT_MASK(bank));
-	mask |= s3c_eint_to_bit(irq);
-	__raw_writel(mask, S5PC1XX_WKUP_INT_MASK(bank));
-}
-
-static void s3c_irq_eint_unmask(unsigned int irq)
-{
-	u32 mask;
-	u32 bank = s3c_get_bank(irq);
-
-	mask = __raw_readl(S5PC1XX_WKUP_INT_MASK(bank));
-	mask &= ~(s3c_eint_to_bit(irq));
-	__raw_writel(mask, S5PC1XX_WKUP_INT_MASK(bank));
-}
-
-static inline void s3c_irq_eint_ack(unsigned int irq)
-{
-	u32 bank = s3c_get_bank(irq);
-
-	__raw_writel(s3c_eint_to_bit(irq), S5PC1XX_WKUP_INT_PEND(bank));
-}
-
-static void s3c_irq_eint_maskack(unsigned int irq)
-{
-	/* compiler should in-line these */
-	s3c_irq_eint_mask(irq);
-	s3c_irq_eint_ack(irq);
-}
-
-static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
-{
-	u32 bank = s3c_get_bank(irq);
-	int real = s3c_get_eint(irq);
-	int gpio, shift, sfn;
-	u32 ctrl, con = 0;
-
-	switch (type) {
-	case IRQ_TYPE_NONE:
-		printk(KERN_WARNING "No edge setting!\n");
-		break;
-
-	case IRQ_TYPE_EDGE_RISING:
-		con = S5PC1XX_WKUP_INT_RISEEDGE;
-		break;
-
-	case IRQ_TYPE_EDGE_FALLING:
-		con = S5PC1XX_WKUP_INT_FALLEDGE;
-		break;
-
-	case IRQ_TYPE_EDGE_BOTH:
-		con = S5PC1XX_WKUP_INT_BOTHEDGE;
-		break;
-
-	case IRQ_TYPE_LEVEL_LOW:
-		con = S5PC1XX_WKUP_INT_LOWLEV;
-		break;
-
-	case IRQ_TYPE_LEVEL_HIGH:
-		con = S5PC1XX_WKUP_INT_HILEV;
-		break;
-
-	default:
-		printk(KERN_ERR "No such irq type %d", type);
-		return -EINVAL;
-	}
-
-	gpio = real & (8 - 1);
-	shift = gpio << 2;
-
-	ctrl = __raw_readl(S5PC1XX_WKUP_INT_CON(bank));
-	ctrl &= ~(0x7 << shift);
-	ctrl |= con << shift;
-	__raw_writel(ctrl, S5PC1XX_WKUP_INT_CON(bank));
-
-	switch (real) {
-	case 0 ... 7:
-			gpio = S5PC100_GPH0(gpio);
-		break;
-	case 8 ... 15:
-			gpio = S5PC100_GPH1(gpio);
-		break;
-	case 16 ... 23:
-			gpio = S5PC100_GPH2(gpio);
-		break;
-	case 24 ... 31:
-			gpio = S5PC100_GPH3(gpio);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	sfn = S3C_GPIO_SFN(0x2);
-	s3c_gpio_cfgpin(gpio, sfn);
-
-	return 0;
-}
-
-static struct irq_chip s3c_irq_eint = {
-	.name		= "EINT",
-	.mask		= s3c_irq_eint_mask,
-	.unmask		= s3c_irq_eint_unmask,
-	.mask_ack	= s3c_irq_eint_maskack,
-	.ack		= s3c_irq_eint_ack,
-	.set_type	= s3c_irq_eint_set_type,
-	.set_wake	= s3c_irqext_wake,
-};
-
-/* s3c_irq_demux_eint
- *
- * This function demuxes the IRQ from external interrupts,
- * from IRQ_EINT(16) to IRQ_EINT(31). It is designed to be inlined into
- * the specific handlers s3c_irq_demux_eintX_Y.
- */
-static inline void s3c_irq_demux_eint(unsigned int start, unsigned int end)
-{
-	u32 status = __raw_readl(S5PC1XX_WKUP_INT_PEND((start >> 3)));
-	u32 mask = __raw_readl(S5PC1XX_WKUP_INT_MASK((start >> 3)));
-	unsigned int irq;
-
-	status &= ~mask;
-	status &= (1 << (end - start + 1)) - 1;
-
-	for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) {
-		if (status & 1)
-			generic_handle_irq(irq);
-
-		status >>= 1;
-	}
-}
-
-static void s3c_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_eint(16, 23);
-	s3c_irq_demux_eint(24, 31);
-}
-
-/*
- * Handle EINT0 ... EINT15 at VIC directly
- */
-static void s3c_irq_vic_eint_mask(unsigned int irq)
-{
-	void __iomem *base = get_irq_chip_data(irq);
-	unsigned int real;
-
-	s3c_irq_eint_mask(irq);
-	real = s3c_get_eint(irq);
-	writel(1 << real, base + VIC_INT_ENABLE_CLEAR);
-}
-
-static void s3c_irq_vic_eint_unmask(unsigned int irq)
-{
-	void __iomem *base = get_irq_chip_data(irq);
-	unsigned int real;
-
-	s3c_irq_eint_unmask(irq);
-	real = s3c_get_eint(irq);
-	writel(1 << real, base + VIC_INT_ENABLE);
-}
-
-static inline void s3c_irq_vic_eint_ack(unsigned int irq)
-{
-	u32 bit;
-	u32 bank = s3c_get_bank(irq);
-
-	bit = s3c_eint_to_bit(irq);
-	__raw_writel(bit, S5PC1XX_WKUP_INT_PEND(bank));
-}
-
-static void s3c_irq_vic_eint_maskack(unsigned int irq)
-{
-	/* compiler should in-line these */
-	s3c_irq_vic_eint_mask(irq);
-	s3c_irq_vic_eint_ack(irq);
-}
-
-static struct irq_chip s3c_irq_vic_eint = {
-	.name		= "EINT",
-	.mask		= s3c_irq_vic_eint_mask,
-	.unmask		= s3c_irq_vic_eint_unmask,
-	.mask_ack	= s3c_irq_vic_eint_maskack,
-	.ack		= s3c_irq_vic_eint_ack,
-	.set_type	= s3c_irq_eint_set_type,
-	.set_wake	= s3c_irqext_wake,
-};
-
-static int __init s5pc1xx_init_irq_eint(void)
-{
-	int irq;
-
-	for (irq = IRQ_EINT0; irq <= IRQ_EINT15; irq++) {
-		set_irq_chip(irq, &s3c_irq_vic_eint);
-		set_irq_handler(irq, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
-
-	for (irq = IRQ_EINT(16); irq <= IRQ_EINT(31); irq++) {
-		set_irq_chip(irq, &s3c_irq_eint);
-		set_irq_handler(irq, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
-
-	set_irq_chained_handler(IRQ_EINT16_31, s3c_irq_demux_eint16_31);
-
-	return 0;
-}
-
-arch_initcall(s5pc1xx_init_irq_eint);
diff --git a/arch/arm/plat-s5pc1xx/irq.c b/arch/arm/plat-s5pc1xx/irq.c
deleted file mode 100644
index bfc52482781..00000000000
--- a/arch/arm/plat-s5pc1xx/irq.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/* arch/arm/plat-s5pc1xx/irq.c
- *
- * Copyright 2009 Samsung Electronics Co.
- *      Byungho Min <bhmin@samsung.com>
- *
- * S5PC1XX - Interrupt handling
- *
- * Based on plat-s3c64xx/irq.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <asm/hardware/vic.h>
-
-#include <mach/map.h>
-#include <plat/irq-vic-timer.h>
-#include <plat/irq-uart.h>
-#include <plat/cpu.h>
-
-/* Note, we make use of the fact that the parent IRQs, IRQ_UART[0..3]
- * are consecutive when looking up the interrupt in the demux routines.
- */
-static struct s3c_uart_irq uart_irqs[] = {
-	[0] = {
-		.regs		= (void *)S3C_VA_UART0,
-		.base_irq	= IRQ_S3CUART_BASE0,
-		.parent_irq	= IRQ_UART0,
-	},
-	[1] = {
-		.regs		= (void *)S3C_VA_UART1,
-		.base_irq	= IRQ_S3CUART_BASE1,
-		.parent_irq	= IRQ_UART1,
-	},
-	[2] = {
-		.regs		= (void *)S3C_VA_UART2,
-		.base_irq	= IRQ_S3CUART_BASE2,
-		.parent_irq	= IRQ_UART2,
-	},
-	[3] = {
-		.regs		= (void *)S3C_VA_UART3,
-		.base_irq	= IRQ_S3CUART_BASE3,
-		.parent_irq	= IRQ_UART3,
-	},
-};
-
-void __init s5pc1xx_init_irq(u32 *vic_valid, int num)
-{
-	int i;
-
-	printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
-
-	/* initialise the pair of VICs */
-	for (i = 0; i < num; i++)
-		vic_init((void *)S5PC1XX_VA_VIC(i), S3C_IRQ(i * S3C_IRQ_OFFSET),
-				vic_valid[i], 0);
-
-	/* add the timer sub-irqs */
-
-	s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0);
-	s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1);
-	s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2);
-	s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3);
-	s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4);
-
-	s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs));
-}
-
-
diff --git a/arch/arm/plat-s5pc1xx/s5pc100-clock.c b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
deleted file mode 100644
index 2bf6c57a96a..00000000000
--- a/arch/arm/plat-s5pc1xx/s5pc100-clock.c
+++ /dev/null
@@ -1,876 +0,0 @@
-/* linux/arch/arm/plat-s5pc1xx/s5pc100-clock.c
- *
- * Copyright 2009 Samsung Electronics, Co.
- *	Byungho Min <bhmin@samsung.com>
- *
- * S5PC100 based common clock support
- *
- * Based on plat-s3c64xx/s3c6400-clock.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/sysdev.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/map.h>
-
-#include <plat/cpu-freq.h>
-
-#include <plat/regs-clock.h>
-#include <plat/clock.h>
-#include <plat/clock-clksrc.h>
-#include <plat/cpu.h>
-#include <plat/pll.h>
-#include <plat/devs.h>
-#include <plat/s5pc100.h>
-
-/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call
- * ext_xtal_mux for want of an actual name from the manual.
-*/
-
-static struct clk clk_ext_xtal_mux = {
-	.name		= "ext_xtal",
-	.id		= -1,
-};
-
-#define clk_fin_apll clk_ext_xtal_mux
-#define clk_fin_mpll clk_ext_xtal_mux
-#define clk_fin_epll clk_ext_xtal_mux
-#define clk_fin_hpll clk_ext_xtal_mux
-
-#define clk_fout_mpll	clk_mpll
-#define clk_vclk_54m	clk_54m
-
-/* APLL */
-static struct clk clk_fout_apll = {
-	.name		= "fout_apll",
-	.id		= -1,
-	.rate		= 27000000,
-};
-
-static struct clk *clk_src_apll_list[] = {
-	[0] = &clk_fin_apll,
-	[1] = &clk_fout_apll,
-};
-
-static struct clksrc_sources clk_src_apll = {
-	.sources	= clk_src_apll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_apll_list),
-};
-
-static struct clksrc_clk clk_mout_apll = {
-	.clk	= {
-		.name		= "mout_apll",
-		.id		= -1,
-	},
-	.sources	= &clk_src_apll,
-	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 0, .size = 1, },
-};
-
-static unsigned long s5pc100_clk_dout_apll_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_APLL_MASK;
-	ratio >>= S5PC100_CLKDIV0_APLL_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_apll = {
-	.name		= "dout_apll",
-	.id		= -1,
-	.parent		= &clk_mout_apll.clk,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_apll_get_rate,
-	},
-};
-
-static unsigned long s5pc100_clk_arm_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_ARM_MASK;
-	ratio >>= S5PC100_CLKDIV0_ARM_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static unsigned long s5pc100_clk_arm_round_rate(struct clk *clk,
-						unsigned long rate)
-{
-	unsigned long parent = clk_get_rate(clk->parent);
-	u32 div;
-
-	if (parent < rate)
-		return rate;
-
-	div = (parent / rate) - 1;
-	if (div > S5PC100_CLKDIV0_ARM_MASK)
-		div = S5PC100_CLKDIV0_ARM_MASK;
-
-	return parent / (div + 1);
-}
-
-static int s5pc100_clk_arm_set_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent = clk_get_rate(clk->parent);
-	u32 div;
-	u32 val;
-
-	if (rate < parent / (S5PC100_CLKDIV0_ARM_MASK + 1))
-		return -EINVAL;
-
-	rate = clk_round_rate(clk, rate);
-	div = clk_get_rate(clk->parent) / rate;
-
-	val = __raw_readl(S5PC100_CLKDIV0);
-	val &= S5PC100_CLKDIV0_ARM_MASK;
-	val |= (div - 1);
-	__raw_writel(val, S5PC100_CLKDIV0);
-
-	return 0;
-}
-
-static struct clk clk_arm = {
-	.name		= "armclk",
-	.id		= -1,
-	.parent		= &clk_dout_apll,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_arm_get_rate,
-		.set_rate	= s5pc100_clk_arm_set_rate,
-		.round_rate	= s5pc100_clk_arm_round_rate,
-	},
-};
-
-static unsigned long s5pc100_clk_dout_d0_bus_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_D0_MASK;
-	ratio >>= S5PC100_CLKDIV0_D0_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_d0_bus = {
-	.name		= "dout_d0_bus",
-	.id		= -1,
-	.parent		= &clk_arm,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_d0_bus_get_rate,
-	},
-};
-
-static unsigned long s5pc100_clk_dout_pclkd0_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_PCLKD0_MASK;
-	ratio >>= S5PC100_CLKDIV0_PCLKD0_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_pclkd0 = {
-	.name		= "dout_pclkd0",
-	.id		= -1,
-	.parent		= &clk_dout_d0_bus,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_pclkd0_get_rate,
-	},
-};
-
-static unsigned long s5pc100_clk_dout_apll2_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_APLL2_MASK;
-	ratio >>= S5PC100_CLKDIV1_APLL2_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_apll2 = {
-	.name		= "dout_apll2",
-	.id		= -1,
-	.parent		= &clk_mout_apll.clk,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_apll2_get_rate,
-	},
-};
-
-/* MPLL */
-static struct clk *clk_src_mpll_list[] = {
-	[0] = &clk_fin_mpll,
-	[1] = &clk_fout_mpll,
-};
-
-static struct clksrc_sources clk_src_mpll = {
-	.sources	= clk_src_mpll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_mpll_list),
-};
-
-static struct clksrc_clk clk_mout_mpll = {
-	.clk = {
-		.name		= "mout_mpll",
-		.id		= -1,
-	},
-	.sources	= &clk_src_mpll,
-	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 4, .size = 1, },
-};
-
-static struct clk *clkset_am_list[] = {
-	[0] = &clk_mout_mpll.clk,
-	[1] = &clk_dout_apll2,
-};
-
-static struct clksrc_sources clk_src_am = {
-	.sources	= clkset_am_list,
-	.nr_sources	= ARRAY_SIZE(clkset_am_list),
-};
-
-static struct clksrc_clk clk_mout_am = {
-	.clk = {
-		.name		= "mout_am",
-		.id		= -1,
-	},
-	.sources	= &clk_src_am,
-	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 16, .size = 1, },
-};
-
-static unsigned long s5pc100_clk_dout_d1_bus_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
-	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_D1_MASK;
-	ratio >>= S5PC100_CLKDIV1_D1_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_d1_bus = {
-	.name		= "dout_d1_bus",
-	.id		= -1,
-	.parent		= &clk_mout_am.clk,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_d1_bus_get_rate,
-	},
-};
-
-static struct clk *clkset_onenand_list[] = {
-	[0] = &clk_dout_d0_bus,
-	[1] = &clk_dout_d1_bus,
-};
-
-static struct clksrc_sources clk_src_onenand = {
-	.sources	= clkset_onenand_list,
-	.nr_sources	= ARRAY_SIZE(clkset_onenand_list),
-};
-
-static struct clksrc_clk clk_mout_onenand = {
-	.clk = {
-		.name		= "mout_onenand",
-		.id		= -1,
-	},
-	.sources	= &clk_src_onenand,
-	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 24, .size = 1, },
-};
-
-static unsigned long s5pc100_clk_dout_pclkd1_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
-	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_PCLKD1_MASK;
-	ratio >>= S5PC100_CLKDIV1_PCLKD1_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_pclkd1 = {
-	.name		= "dout_pclkd1",
-	.id		= -1,
-	.parent		= &clk_dout_d1_bus,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_pclkd1_get_rate,
-	},
-};
-
-static unsigned long s5pc100_clk_dout_mpll2_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
-	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL2_MASK;
-	ratio >>= S5PC100_CLKDIV1_MPLL2_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_mpll2 = {
-	.name		= "dout_mpll2",
-	.id		= -1,
-	.parent		= &clk_mout_am.clk,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_mpll2_get_rate,
-	},
-};
-
-static unsigned long s5pc100_clk_dout_cam_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
-	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_CAM_MASK;
-	ratio >>= S5PC100_CLKDIV1_CAM_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_cam = {
-	.name		= "dout_cam",
-	.id		= -1,
-	.parent		= &clk_dout_mpll2,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_cam_get_rate,
-	},
-};
-
-static unsigned long s5pc100_clk_dout_mpll_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned int ratio;
-
-	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
-	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL_MASK;
-	ratio >>= S5PC100_CLKDIV1_MPLL_SHIFT;
-
-	return rate / (ratio + 1);
-}
-
-static struct clk clk_dout_mpll = {
-	.name		= "dout_mpll",
-	.id		= -1,
-	.parent		= &clk_mout_am.clk,
-	.ops		= &(struct clk_ops) {
-		.get_rate	= s5pc100_clk_dout_mpll_get_rate,
-	},
-};
-
-/* EPLL */
-static struct clk clk_fout_epll = {
-	.name		= "fout_epll",
-	.id		= -1,
-};
-
-static struct clk *clk_src_epll_list[] = {
-	[0] = &clk_fin_epll,
-	[1] = &clk_fout_epll,
-};
-
-static struct clksrc_sources clk_src_epll = {
-	.sources	= clk_src_epll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_epll_list),
-};
-
-static struct clksrc_clk clk_mout_epll = {
-	.clk	= {
-		.name		= "mout_epll",
-		.id		= -1,
-	},
-	.sources = &clk_src_epll,
-	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 8, .size = 1, },
-};
-
-/* HPLL */
-static struct clk clk_fout_hpll = {
-	.name		= "fout_hpll",
-	.id		= -1,
-};
-
-static struct clk *clk_src_hpll_list[] = {
-	[0] = &clk_27m,
-	[1] = &clk_fout_hpll,
-};
-
-static struct clksrc_sources clk_src_hpll = {
-	.sources	= clk_src_hpll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_hpll_list),
-};
-
-static struct clksrc_clk clk_mout_hpll = {
-	.clk	= {
-		.name		= "mout_hpll",
-		.id		= -1,
-	},
-	.sources = &clk_src_hpll,
-	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 12, .size = 1, },
-};
-
-/* Peripherals */
-/*
- * The peripheral clocks are all controlled via clocksource followed
- * by an optional divider and gate stage. We currently roll this into
- * one clock which hides the intermediate clock from the mux.
- *
- * Note, the JPEG clock can only be an even divider...
- *
- * The scaler and LCD clocks depend on the S5PC100 version, and also
- * have a common parent divisor so are not included here.
- */
-
-static struct clk clk_iis_cd0 = {
-	.name		= "iis_cdclk0",
-	.id		= -1,
-};
-
-static struct clk clk_iis_cd1 = {
-	.name		= "iis_cdclk1",
-	.id		= -1,
-};
-
-static struct clk clk_iis_cd2 = {
-	.name		= "iis_cdclk2",
-	.id		= -1,
-};
-
-static struct clk clk_pcm_cd0 = {
-	.name		= "pcm_cdclk0",
-	.id		= -1,
-};
-
-static struct clk clk_pcm_cd1 = {
-	.name		= "pcm_cdclk1",
-	.id		= -1,
-};
-
-static struct clk *clkset_audio0_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	&clk_fin_epll,
-	&clk_iis_cd0,
-	&clk_pcm_cd0,
-	&clk_mout_hpll.clk,
-};
-
-static struct clksrc_sources clkset_audio0 = {
-	.sources	= clkset_audio0_list,
-	.nr_sources	= ARRAY_SIZE(clkset_audio0_list),
-};
-
-static struct clk *clkset_spi_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll2,
-	&clk_fin_epll,
-	&clk_mout_hpll.clk,
-};
-
-static struct clksrc_sources clkset_spi = {
-	.sources	= clkset_spi_list,
-	.nr_sources	= ARRAY_SIZE(clkset_spi_list),
-};
-
-static struct clk *clkset_uart_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-};
-
-static struct clksrc_sources clkset_uart = {
-	.sources	= clkset_uart_list,
-	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
-};
-
-static struct clk *clkset_audio1_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	&clk_fin_epll,
-	&clk_iis_cd1,
-	&clk_pcm_cd1,
-	&clk_mout_hpll.clk,
-};
-
-static struct clksrc_sources clkset_audio1 = {
-	.sources	= clkset_audio1_list,
-	.nr_sources	= ARRAY_SIZE(clkset_audio1_list),
-};
-
-static struct clk *clkset_audio2_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	&clk_fin_epll,
-	&clk_iis_cd2,
-	&clk_mout_hpll.clk,
-};
-
-static struct clksrc_sources clkset_audio2 = {
-	.sources	= clkset_audio2_list,
-	.nr_sources	= ARRAY_SIZE(clkset_audio2_list),
-};
-
-static struct clksrc_clk clksrc_audio[] = {
-	{
-		.clk	= {
-			.name		= "audio-bus",
-			.id		= 0,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO0,
-			.enable		= s5pc100_sclk1_ctrl,
-		},
-		.sources = &clkset_audio0,
-		.reg_div = { .reg = S5PC100_CLKDIV4, .shift = 12, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC3, .shift = 12, .size = 3, },
-	}, {
-		.clk	= {
-			.name		= "audio-bus",
-			.id		= 1,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO1,
-			.enable		= s5pc100_sclk1_ctrl,
-		},
-		.sources = &clkset_audio1,
-		.reg_div = { .reg = S5PC100_CLKDIV4, .shift = 16, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC3, .shift = 16, .size = 3, },
-	}, {
-		.clk	= {
-			.name		= "audio-bus",
-			.id		= 2,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO2,
-			.enable		= s5pc100_sclk1_ctrl,
-		},
-		.sources = &clkset_audio2,
-		.reg_div = { .reg = S5PC100_CLKDIV4, .shift = 20, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC3, .shift = 20, .size = 3, },
-	},
-};
-
-static struct clk *clkset_spdif_list[] = {
-	&clksrc_audio[0].clk,
-	&clksrc_audio[1].clk,
-	&clksrc_audio[2].clk,
-};
-
-static struct clksrc_sources clkset_spdif = {
-	.sources	= clkset_spdif_list,
-	.nr_sources	= ARRAY_SIZE(clkset_spdif_list),
-};
-
-static struct clk *clkset_lcd_fimc_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	&clk_mout_hpll.clk,
-	&clk_vclk_54m,
-};
-
-static struct clksrc_sources clkset_lcd_fimc = {
-	.sources	= clkset_lcd_fimc_list,
-	.nr_sources	= ARRAY_SIZE(clkset_lcd_fimc_list),
-};
-
-static struct clk *clkset_mmc_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	&clk_fin_epll,
-	&clk_mout_hpll.clk ,
-};
-
-static struct clksrc_sources clkset_mmc = {
-	.sources	= clkset_mmc_list,
-	.nr_sources	= ARRAY_SIZE(clkset_mmc_list),
-};
-
-static struct clk *clkset_usbhost_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	&clk_mout_hpll.clk,
-	&clk_48m,
-};
-
-static struct clksrc_sources clkset_usbhost = {
-	.sources	= clkset_usbhost_list,
-	.nr_sources	= ARRAY_SIZE(clkset_usbhost_list),
-};
-
-static struct clksrc_clk clksrc_clks[] = {
-	{
-		.clk	= {
-			.name		= "spi_bus",
-			.id		= 0,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI0,
-			.enable		= s5pc100_sclk0_ctrl,
-
-		},
-		.sources = &clkset_spi,
-		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 4, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 4, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "spi_bus",
-			.id		= 1,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI1,
-			.enable		= s5pc100_sclk0_ctrl,
-		},
-		.sources = &clkset_spi,
-		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 8, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 8, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "spi_bus",
-			.id		= 2,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI2,
-			.enable		= s5pc100_sclk0_ctrl,
-		},
-		.sources = &clkset_spi,
-		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 12, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 12, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "uclk1",
-			.id		= -1,
-			.ctrlbit        = S5PC100_CLKGATE_SCLK0_UART,
-			.enable		= s5pc100_sclk0_ctrl,
-		},
-		.sources = &clkset_uart,
-		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 0, .size = 3, },
-		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 0, .size = 1, },
-	}, {
-		.clk	= {
-			.name		= "spdif",
-			.id		= -1,
-		},
-		.sources	= &clkset_spdif,
-		.reg_src = { .reg = S5PC100_CLKSRC3, .shift = 24, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "lcd",
-			.id		= -1,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK1_LCD,
-			.enable		= s5pc100_sclk1_ctrl,
-		},
-		.sources = &clkset_lcd_fimc,
-		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 12, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 12, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "fimc",
-			.id		= 0,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC0,
-			.enable		= s5pc100_sclk1_ctrl,
-		},
-		.sources = &clkset_lcd_fimc,
-		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 16, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 16, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "fimc",
-			.id		= 1,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC1,
-			.enable		= s5pc100_sclk1_ctrl,
-		},
-		.sources	= &clkset_lcd_fimc,
-		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 20, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 20, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "fimc",
-			.id		= 2,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC2,
-			.enable		= s5pc100_sclk1_ctrl,
-		},
-		.sources = &clkset_lcd_fimc,
-		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 24, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 24, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "mmc_bus",
-			.id		= 0,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC0,
-			.enable		= s5pc100_sclk0_ctrl,
-		},
-		.sources = &clkset_mmc,
-		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 0, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 0, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "mmc_bus",
-			.id		= 1,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC1,
-			.enable		= s5pc100_sclk0_ctrl,
-		},
-		.sources = &clkset_mmc,
-		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 4, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 4, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "mmc_bus",
-			.id		= 2,
-			.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC2,
-			.enable		= s5pc100_sclk0_ctrl,
-		},
-		.sources	= &clkset_mmc,
-		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 8, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 8, .size = 2, },
-	}, {
-		.clk	= {
-			.name		= "usbhost",
-			.id		= -1,
-			.ctrlbit        = S5PC100_CLKGATE_SCLK0_USBHOST,
-			.enable		= s5pc100_sclk0_ctrl,
-		},
-		.sources = &clkset_usbhost,
-		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 20, .size = 4, },
-		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 20, .size = 2, },
-	}
-};
-
-/* Clock initialisation code */
-
-static struct clksrc_clk *init_parents[] = {
-	&clk_mout_apll,
-	&clk_mout_mpll,
-	&clk_mout_am,
-	&clk_mout_onenand,
-	&clk_mout_epll,
-	&clk_mout_hpll,
-};
-
-#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
-
-void __init_or_cpufreq s5pc100_setup_clocks(void)
-{
-	struct clk *xtal_clk;
-	unsigned long xtal;
-	unsigned long armclk;
-	unsigned long hclkd0;
-	unsigned long hclk;
-	unsigned long pclkd0;
-	unsigned long pclk;
-	unsigned long apll, mpll, epll, hpll;
-	unsigned int ptr;
-	u32 clkdiv0, clkdiv1;
-
-	printk(KERN_DEBUG "%s: registering clocks\n", __func__);
-
-	clkdiv0 = __raw_readl(S5PC100_CLKDIV0);
-	clkdiv1 = __raw_readl(S5PC100_CLKDIV1);
-
-	printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n", __func__, clkdiv0, clkdiv1);
-
-	xtal_clk = clk_get(NULL, "xtal");
-	BUG_ON(IS_ERR(xtal_clk));
-
-	xtal = clk_get_rate(xtal_clk);
-	clk_put(xtal_clk);
-
-	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
-
-	apll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_APLL_CON));
-	mpll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_MPLL_CON));
-	epll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_EPLL_CON));
-	hpll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_HPLL_CON));
-
-	printk(KERN_INFO "S5PC100: Apll=%ld.%03ld Mhz, Mpll=%ld.%03ld Mhz"
-		", Epll=%ld.%03ld Mhz, Hpll=%ld.%03ld Mhz\n",
-		print_mhz(apll), print_mhz(mpll),
-		print_mhz(epll), print_mhz(hpll));
-
-	armclk = apll / GET_DIV(clkdiv0, S5PC100_CLKDIV0_APLL);
-	armclk = armclk / GET_DIV(clkdiv0, S5PC100_CLKDIV0_ARM);
-	hclkd0 = armclk / GET_DIV(clkdiv0, S5PC100_CLKDIV0_D0);
-	pclkd0 = hclkd0 / GET_DIV(clkdiv0, S5PC100_CLKDIV0_PCLKD0);
-	hclk = mpll / GET_DIV(clkdiv1, S5PC100_CLKDIV1_D1);
-	pclk = hclk / GET_DIV(clkdiv1, S5PC100_CLKDIV1_PCLKD1);
-
-	printk(KERN_INFO "S5PC100: ARMCLK=%ld.%03ld MHz, HCLKD0=%ld.%03ld MHz,"
-		" PCLKD0=%ld.%03ld MHz\n, HCLK=%ld.%03ld MHz,"
-		" PCLK=%ld.%03ld MHz\n",
-		print_mhz(armclk), print_mhz(hclkd0),
-		print_mhz(pclkd0), print_mhz(hclk), print_mhz(pclk));
-
-	clk_fout_apll.rate = apll;
-	clk_fout_mpll.rate = mpll;
-	clk_fout_epll.rate = epll;
-	clk_fout_hpll.rate = hpll;
-
-	clk_h.rate = hclk;
-	clk_p.rate = pclk;
-	clk_f.rate = armclk;
-
-	for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
-		s3c_set_clksrc(init_parents[ptr], true);
-
-	for (ptr = 0; ptr < ARRAY_SIZE(clksrc_audio); ptr++)
-		s3c_set_clksrc(clksrc_audio + ptr, true);
-
-	for (ptr = 0; ptr < ARRAY_SIZE(clksrc_clks); ptr++)
-		s3c_set_clksrc(clksrc_clks + ptr, true);
-}
-
-static struct clk *clks[] __initdata = {
-	&clk_ext_xtal_mux,
-	&clk_dout_apll,
-	&clk_dout_d0_bus,
-	&clk_dout_pclkd0,
-	&clk_dout_apll2,
-	&clk_mout_apll.clk,
-	&clk_mout_mpll.clk,
-	&clk_mout_epll.clk,
-	&clk_mout_hpll.clk,
-	&clk_mout_am.clk,
-	&clk_dout_d1_bus,
-	&clk_mout_onenand.clk,
-	&clk_dout_pclkd1,
-	&clk_dout_mpll2,
-	&clk_dout_cam,
-	&clk_dout_mpll,
-	&clk_fout_epll,
-	&clk_iis_cd0,
-	&clk_iis_cd1,
-	&clk_iis_cd2,
-	&clk_pcm_cd0,
-	&clk_pcm_cd1,
-	&clk_arm,
-};
-
-void __init s5pc100_register_clocks(void)
-{
-	struct clk *clkp;
-	int ret;
-	int ptr;
-
-	for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) {
-		clkp = clks[ptr];
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-	}
-
-	s3c_register_clksrc(clksrc_audio, ARRAY_SIZE(clksrc_audio));
-	s3c_register_clksrc(clksrc_clks, ARRAY_SIZE(clksrc_clks));
-}

From cbb5cf7ff6b298beacfe23db3386335b0b9c0a2d Mon Sep 17 00:00:00 2001
From: Tom Zanussi <tzanussi@gmail.com>
Date: Tue, 4 May 2010 23:02:10 -0500
Subject: [PATCH 2274/3638] perf: Use read() instead of lseek() in
 trace_event_read.c:skip()

This is a small fix for a problem affecting live-mode, introduced
recently:

root@tropicana:~# perf trace rwtop
perf trace started with Perl
script /root/libexec/perf-core/scripts/perl/rwtop.pl

  Fatal: did not read header event

commit d00a47cce569a3e660a8c9de5d57af28d6a9f0f7 added a skip()
function to skip over e.g. header_page, but this doesn't work for
live mode.  This patch re-implements skip() to use read() instead of
lseek() to fix that.

Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1273032130.6383.28.camel@tropicana>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 tools/perf/util/trace-event-read.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index cb54cd002f4..f55cc3a765a 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -53,12 +53,6 @@ static unsigned long	page_size;
 static ssize_t calc_data_size;
 static bool repipe;
 
-/* If it fails, the next read will report it */
-static void skip(int size)
-{
-	lseek(input_fd, size, SEEK_CUR);
-}
-
 static int do_read(int fd, void *buf, int size)
 {
 	int rsize = size;
@@ -98,6 +92,19 @@ static int read_or_die(void *data, int size)
 	return r;
 }
 
+/* If it fails, the next read will report it */
+static void skip(int size)
+{
+	char buf[BUFSIZ];
+	int r;
+
+	while (size) {
+		r = size > BUFSIZ ? BUFSIZ : size;
+		read_or_die(buf, r);
+		size -= r;
+	};
+}
+
 static unsigned int read4(void)
 {
 	unsigned int data;

From 49f135ed02828a58b2401f149926c2e3c9cb0116 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Thu, 20 May 2010 10:17:46 +0200
Subject: [PATCH 2275/3638] perf: Comply with new rcu checks API

The software events hlist doesn't fully comply with the new
rcu checks api.

We need to consider three different sides that access the hlist:

- the hlist allocation/release side. This side happens when an
  events is created or released, accesses to the hlist are
  serialized under the cpuctx mutex.

- the events insertion/removal in the hlist. This side is always
  serialized against the above one. The hlist is always present
  during such operations. This side happens when a software event
  is scheduled in/out. The serialization that ensures the software
  event is really attached to the context is made under the
  ctx->lock.

- events triggering. This is the read side, it can happen
  concurrently with any update side.

This patch deals with them one by one and anticipates with the
separate rcu mem space patches in preparation.

This patch fixes various annoying rcu warnings.

Reported-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
---
 kernel/perf_event.c | 58 +++++++++++++++++++++++++++++++++++----------
 1 file changed, 46 insertions(+), 12 deletions(-)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index a4fa381db3c..511677bc1c6 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4066,19 +4066,46 @@ static inline u64 swevent_hash(u64 type, u32 event_id)
 	return hash_64(val, SWEVENT_HLIST_BITS);
 }
 
-static struct hlist_head *
-find_swevent_head(struct perf_cpu_context *ctx, u64 type, u32 event_id)
+static inline struct hlist_head *
+__find_swevent_head(struct swevent_hlist *hlist, u64 type, u32 event_id)
 {
-	u64 hash;
-	struct swevent_hlist *hlist;
+	u64 hash = swevent_hash(type, event_id);
 
-	hash = swevent_hash(type, event_id);
+	return &hlist->heads[hash];
+}
+
+/* For the read side: events when they trigger */
+static inline struct hlist_head *
+find_swevent_head_rcu(struct perf_cpu_context *ctx, u64 type, u32 event_id)
+{
+	struct swevent_hlist *hlist;
 
 	hlist = rcu_dereference(ctx->swevent_hlist);
 	if (!hlist)
 		return NULL;
 
-	return &hlist->heads[hash];
+	return __find_swevent_head(hlist, type, event_id);
+}
+
+/* For the event head insertion and removal in the hlist */
+static inline struct hlist_head *
+find_swevent_head(struct perf_cpu_context *ctx, struct perf_event *event)
+{
+	struct swevent_hlist *hlist;
+	u32 event_id = event->attr.config;
+	u64 type = event->attr.type;
+
+	/*
+	 * Event scheduling is always serialized against hlist allocation
+	 * and release. Which makes the protected version suitable here.
+	 * The context lock guarantees that.
+	 */
+	hlist = rcu_dereference_protected(ctx->swevent_hlist,
+					  lockdep_is_held(&event->ctx->lock));
+	if (!hlist)
+		return NULL;
+
+	return __find_swevent_head(hlist, type, event_id);
 }
 
 static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
@@ -4095,7 +4122,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
 
 	rcu_read_lock();
 
-	head = find_swevent_head(cpuctx, type, event_id);
+	head = find_swevent_head_rcu(cpuctx, type, event_id);
 
 	if (!head)
 		goto end;
@@ -4178,7 +4205,7 @@ static int perf_swevent_enable(struct perf_event *event)
 		perf_swevent_set_period(event);
 	}
 
-	head = find_swevent_head(cpuctx, event->attr.type, event->attr.config);
+	head = find_swevent_head(cpuctx, event);
 	if (WARN_ON_ONCE(!head))
 		return -EINVAL;
 
@@ -4366,6 +4393,14 @@ static const struct pmu perf_ops_task_clock = {
 	.read		= task_clock_perf_event_read,
 };
 
+/* Deref the hlist from the update side */
+static inline struct swevent_hlist *
+swevent_hlist_deref(struct perf_cpu_context *cpuctx)
+{
+	return rcu_dereference_protected(cpuctx->swevent_hlist,
+					 lockdep_is_held(&cpuctx->hlist_mutex));
+}
+
 static void swevent_hlist_release_rcu(struct rcu_head *rcu_head)
 {
 	struct swevent_hlist *hlist;
@@ -4376,12 +4411,11 @@ static void swevent_hlist_release_rcu(struct rcu_head *rcu_head)
 
 static void swevent_hlist_release(struct perf_cpu_context *cpuctx)
 {
-	struct swevent_hlist *hlist;
+	struct swevent_hlist *hlist = swevent_hlist_deref(cpuctx);
 
-	if (!cpuctx->swevent_hlist)
+	if (!hlist)
 		return;
 
-	hlist = cpuctx->swevent_hlist;
 	rcu_assign_pointer(cpuctx->swevent_hlist, NULL);
 	call_rcu(&hlist->rcu_head, swevent_hlist_release_rcu);
 }
@@ -4418,7 +4452,7 @@ static int swevent_hlist_get_cpu(struct perf_event *event, int cpu)
 
 	mutex_lock(&cpuctx->hlist_mutex);
 
-	if (!cpuctx->swevent_hlist && cpu_online(cpu)) {
+	if (!swevent_hlist_deref(cpuctx) && cpu_online(cpu)) {
 		struct swevent_hlist *hlist;
 
 		hlist = kzalloc(sizeof(*hlist), GFP_KERNEL);

From 999304be1177d42d16bc59c546228c6ac5a3e76a Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 20 May 2010 08:59:05 +0200
Subject: [PATCH 2276/3638] ARM: SAMSUNG: Add platform support code for OneNAND
 controller

This patch adds setup code for Samsung OneNAND controller driver. The
driver needs to be aware on which SoC it is running, so the actual
device id is being changed in cpu init code. S3C64xx SoCs have 2 OneNAND
controllers while S5PC100 and S5PC110 has only one.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[ben-linux@fluff.org: sort map.h entries]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s3c64xx/Kconfig                 |  5 ++
 arch/arm/mach-s3c64xx/Makefile                |  1 +
 arch/arm/mach-s3c64xx/dev-onenand1.c          | 55 ++++++++++++++++
 arch/arm/mach-s3c64xx/include/mach/irqs.h     |  4 ++
 arch/arm/mach-s3c64xx/include/mach/map.h      | 13 ++++
 arch/arm/mach-s3c64xx/s3c6400.c               |  4 ++
 arch/arm/mach-s3c64xx/s3c6410.c               |  3 +
 arch/arm/mach-s5pc100/cpu.c                   |  4 ++
 arch/arm/mach-s5pc100/include/mach/map.h      |  8 +++
 arch/arm/mach-s5pv210/Kconfig                 |  5 ++
 arch/arm/mach-s5pv210/Makefile                |  1 +
 arch/arm/mach-s5pv210/dev-onenand.c           | 50 +++++++++++++++
 arch/arm/mach-s5pv210/include/mach/map.h      |  3 +
 arch/arm/plat-samsung/Kconfig                 |  5 ++
 arch/arm/plat-samsung/Makefile                |  1 +
 arch/arm/plat-samsung/dev-onenand.c           | 55 ++++++++++++++++
 arch/arm/plat-samsung/include/plat/devs.h     |  3 +
 .../plat-samsung/include/plat/onenand-core.h  | 37 +++++++++++
 .../plat-samsung/include/plat/regs-onenand.h  | 63 +++++++++++++++++++
 19 files changed, 320 insertions(+)
 create mode 100644 arch/arm/mach-s3c64xx/dev-onenand1.c
 create mode 100644 arch/arm/mach-s5pv210/dev-onenand.c
 create mode 100644 arch/arm/plat-samsung/dev-onenand.c
 create mode 100644 arch/arm/plat-samsung/include/plat/onenand-core.h
 create mode 100644 arch/arm/plat-samsung/include/plat/regs-onenand.h

diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 69e9fbfea91..805da81095f 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -35,6 +35,11 @@ config S3C64XX_SETUP_SDHCI
 	  Internal configuration for default SDHCI setup for S3C6400 and
 	  S3C6410 SoCs.
 
+config S3C64XX_DEV_ONENAND1
+	bool
+	help
+	  Compile in platform device definition for OneNAND1 controller
+
 # platform specific device setup
 
 config S3C64XX_SETUP_I2C0
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index a10f1fc6b02..17883187c4c 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -59,3 +59,4 @@ obj-y				+= dev-uart.o
 obj-y				+= dev-audio.o
 obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
 obj-$(CONFIG_S3C64XX_DEV_TS)	+= dev-ts.o
+obj-$(CONFIG_S3C64XX_DEV_ONENAND1)	+= dev-onenand1.o
diff --git a/arch/arm/mach-s3c64xx/dev-onenand1.c b/arch/arm/mach-s3c64xx/dev-onenand1.c
new file mode 100644
index 00000000000..92ffd5bac10
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/dev-onenand1.c
@@ -0,0 +1,55 @@
+/*
+ * linux/arch/arm/mach-s3c64xx/dev-onenand1.c
+ *
+ *  Copyright (c) 2008-2010 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * S3C64XX series device definition for OneNAND devices
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+static struct resource s3c64xx_onenand1_resources[] = {
+	[0] = {
+		.start	= S3C64XX_PA_ONENAND1,
+		.end	= S3C64XX_PA_ONENAND1 + 0x400 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= S3C64XX_PA_ONENAND1_BUF,
+		.end	= S3C64XX_PA_ONENAND1_BUF + S3C64XX_SZ_ONENAND1_BUF - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[2] = {
+		.start	= IRQ_ONENAND1,
+		.end	= IRQ_ONENAND1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c64xx_device_onenand1 = {
+	.name		= "samsung-onenand",
+	.id		= 1,
+	.num_resources	= ARRAY_SIZE(s3c64xx_onenand1_resources),
+	.resource	= s3c64xx_onenand1_resources,
+};
+
+void s3c64xx_onenand1_set_platdata(struct onenand_platform_data *pdata)
+{
+	struct onenand_platform_data *pd;
+
+	pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL);
+	if (!pd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	s3c64xx_device_onenand1.dev.platform_data = pd;
+}
diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h
index e9ab4ac0b9a..8e2df26cf14 100644
--- a/arch/arm/mach-s3c64xx/include/mach/irqs.h
+++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h
@@ -212,5 +212,9 @@
 
 #define NR_IRQS	(IRQ_BOARD_END + 1)
 
+/* Compatibility */
+
+#define IRQ_ONENAND	IRQ_ONENAND0
+
 #endif /* __ASM_MACH_S3C64XX_IRQS_H */
 
diff --git a/arch/arm/mach-s3c64xx/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h
index 9fdd50c8c76..b6fb8920b41 100644
--- a/arch/arm/mach-s3c64xx/include/mach/map.h
+++ b/arch/arm/mach-s3c64xx/include/mach/map.h
@@ -52,6 +52,16 @@
 
 #define S3C64XX_PA_SROM		(0x70000000)
 
+#define S3C64XX_PA_ONENAND0	(0x70100000)
+#define S3C64XX_PA_ONENAND0_BUF	(0x20000000)
+#define S3C64XX_SZ_ONENAND0_BUF (SZ_64M)
+
+/* NAND and OneNAND1 controllers occupy the same register region
+   (depending on SoC POP version) */
+#define S3C64XX_PA_ONENAND1	(0x70200000)
+#define S3C64XX_PA_ONENAND1_BUF	(0x28000000)
+#define S3C64XX_SZ_ONENAND1_BUF	(SZ_64M)
+
 #define S3C64XX_PA_NAND		(0x70200000)
 #define S3C64XX_PA_FB		(0x77100000)
 #define S3C64XX_PA_USB_HSOTG	(0x7C000000)
@@ -99,6 +109,9 @@
 #define S3C_PA_IIC		S3C64XX_PA_IIC0
 #define S3C_PA_IIC1		S3C64XX_PA_IIC1
 #define S3C_PA_NAND		S3C64XX_PA_NAND
+#define S3C_PA_ONENAND		S3C64XX_PA_ONENAND0
+#define S3C_PA_ONENAND_BUF	S3C64XX_PA_ONENAND0_BUF
+#define S3C_SZ_ONENAND_BUF	S3C64XX_SZ_ONENAND0_BUF
 #define S3C_PA_FB		S3C64XX_PA_FB
 #define S3C_PA_USBHOST		S3C64XX_PA_USBHOST
 #define S3C_PA_USB_HSOTG	S3C64XX_PA_USB_HSOTG
diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c
index 707e34e3afd..5e93fe3f3f4 100644
--- a/arch/arm/mach-s3c64xx/s3c6400.c
+++ b/arch/arm/mach-s3c64xx/s3c6400.c
@@ -37,6 +37,7 @@
 #include <plat/clock.h>
 #include <plat/sdhci.h>
 #include <plat/iic-core.h>
+#include <plat/onenand-core.h>
 #include <mach/s3c6400.h>
 
 void __init s3c6400_map_io(void)
@@ -51,6 +52,9 @@ void __init s3c6400_map_io(void)
 	s3c_i2c0_setname("s3c2440-i2c");
 
 	s3c_device_nand.name = "s3c6400-nand";
+
+	s3c_onenand_setname("s3c6400-onenand");
+	s3c64xx_onenand1_setname("s3c6400-onenand");
 }
 
 void __init s3c6400_init_clocks(int xtal)
diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c
index 3ab695c691e..014401c39f3 100644
--- a/arch/arm/mach-s3c64xx/s3c6410.c
+++ b/arch/arm/mach-s3c64xx/s3c6410.c
@@ -39,6 +39,7 @@
 #include <plat/sdhci.h>
 #include <plat/iic-core.h>
 #include <plat/adc.h>
+#include <plat/onenand-core.h>
 #include <mach/s3c6400.h>
 #include <mach/s3c6410.h>
 
@@ -55,6 +56,8 @@ void __init s3c6410_map_io(void)
 
 	s3c_device_adc.name	= "s3c64xx-adc";
 	s3c_device_nand.name = "s3c6400-nand";
+	s3c_onenand_setname("s3c6410-onenand");
+	s3c64xx_onenand1_setname("s3c6410-onenand");
 }
 
 void __init s3c6410_init_clocks(int xtal)
diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c
index d79e7574a85..cb37ffee05b 100644
--- a/arch/arm/mach-s5pc100/cpu.c
+++ b/arch/arm/mach-s5pc100/cpu.c
@@ -41,6 +41,8 @@
 #include <plat/clock.h>
 #include <plat/sdhci.h>
 #include <plat/iic-core.h>
+#include <plat/onenand-core.h>
+
 #include <plat/s5pc100.h>
 
 /* Initial IO mappings */
@@ -82,6 +84,8 @@ void __init s5pc100_map_io(void)
 	/* the i2c devices are directly compatible with s3c2440 */
 	s3c_i2c0_setname("s3c2440-i2c");
 	s3c_i2c1_setname("s3c2440-i2c");
+
+	s3c_onenand_setname("s5pc100-onenand");
 }
 
 void __init s5pc100_init_clocks(int xtal)
diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
index 4681ebe8bef..aba3bb4e341 100644
--- a/arch/arm/mach-s5pc100/include/mach/map.h
+++ b/arch/arm/mach-s5pc100/include/mach/map.h
@@ -31,6 +31,9 @@
  *
  */
 
+#define S5PC100_PA_ONENAND_BUF	(0xB0000000)
+#define S5PC100_SZ_ONENAND_BUF	(SZ_256M - SZ_32M)
+
 /* Chip ID */
 #define S5PC100_PA_CHIPID	(0xE0000000)
 #define S5PC1XX_PA_CHIPID	S5PC100_PA_CHIPID
@@ -60,6 +63,8 @@
 #define S5PC1XX_PA_VIC(x)	(S5PC100_PA_VIC + ((x) * S5PC100_PA_VIC_OFFSET))
 #define S5PC1XX_VA_VIC(x)	(S5PC100_VA_VIC + ((x) * S5PC100_VA_VIC_OFFSET))
 
+#define S5PC100_PA_ONENAND	(0xE7100000)
+
 /* DMA */
 #define S5PC100_PA_MDMA		(0xE8100000)
 #define S5PC100_PA_PDMA0	(0xE9000000)
@@ -146,5 +151,8 @@
 #define S3C_PA_HSMMC2		S5PC100_PA_HSMMC2
 #define S3C_PA_KEYPAD		S5PC100_PA_KEYPAD
 #define S3C_PA_TSADC		S5PC100_PA_TSADC
+#define S3C_PA_ONENAND		S5PC100_PA_ONENAND
+#define S3C_PA_ONENAND_BUF	S5PC100_PA_ONENAND_BUF
+#define S3C_SZ_ONENAND_BUF	S5PC100_SZ_ONENAND_BUF
 
 #endif /* __ASM_ARCH_C100_MAP_H */
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 7601c28e240..ef063e2890c 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -21,6 +21,11 @@ choice
 	depends on ARCH_S5PV210
 	default MACH_SMDKV210
 
+config S5PC110_DEV_ONENAND
+	bool
+	help
+	  Compile in platform device definition for OneNAND1 controller
+
 config MACH_SMDKV210
 	bool "SMDKV210"
 	select CPU_S5PV210
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 99827813d29..610b9496c18 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -23,3 +23,4 @@ obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
 # device support
 
 obj-y				+= dev-audio.o
+obj-$(CONFIG_S5PC110_DEV_ONENAND) += dev-onenand.o
\ No newline at end of file
diff --git a/arch/arm/mach-s5pv210/dev-onenand.c b/arch/arm/mach-s5pv210/dev-onenand.c
new file mode 100644
index 00000000000..34997b752f9
--- /dev/null
+++ b/arch/arm/mach-s5pv210/dev-onenand.c
@@ -0,0 +1,50 @@
+/*
+ * linux/arch/arm/mach-s5pv210/dev-onenand.c
+ *
+ *  Copyright (c) 2008-2010 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * S5PC110 series device definition for OneNAND devices
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+static struct resource s5pc110_onenand_resources[] = {
+	[0] = {
+		.start	= S5PC110_PA_ONENAND,
+		.end	= S5PC110_PA_ONENAND + SZ_128K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= S5PC110_PA_ONENAND_DMA,
+		.end	= S5PC110_PA_ONENAND_DMA + SZ_2K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+struct platform_device s5pc110_device_onenand = {
+	.name		= "s5pc110-onenand",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(s5pc110_onenand_resources),
+	.resource	= s5pc110_onenand_resources,
+};
+
+void s5pc110_onenand_set_platdata(struct onenand_platform_data *pdata)
+{
+	struct onenand_platform_data *pd;
+
+	pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL);
+	if (!pd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	s5pc110_device_onenand.dev.platform_data = pd;
+}
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 5adcb9f26e4..d2a505fa1ff 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -16,6 +16,9 @@
 #include <plat/map-base.h>
 #include <plat/map-s5p.h>
 
+#define S5PC110_PA_ONENAND	(0xB0000000)
+#define S5PC110_PA_ONENAND_DMA	(0xB0600000)
+
 #define S5PV210_PA_CHIPID	(0xE0000000)
 #define S5P_PA_CHIPID		S5PV210_PA_CHIPID
 
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 229919e9744..58cc26d5309 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -190,6 +190,11 @@ config S3C_DEV_NAND
 	help
 	  Compile in platform device definition for NAND controller
 
+config S3C_DEV_ONENAND
+	bool
+	help
+	  Compile in platform device definition for OneNAND controller
+
 config S3C_DEV_RTC
 	bool
 	help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 48288499a3b..595d86b8b89 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -41,6 +41,7 @@ obj-y				+= dev-uart.o
 obj-$(CONFIG_S3C_DEV_USB_HOST)	+= dev-usb.o
 obj-$(CONFIG_S3C_DEV_USB_HSOTG)	+= dev-usb-hsotg.o
 obj-$(CONFIG_S3C_DEV_NAND)	+= dev-nand.o
+obj-$(CONFIG_S3C_DEV_ONENAND)	+= dev-onenand.o
 obj-$(CONFIG_S3C_DEV_RTC)	+= dev-rtc.o
 
 obj-$(CONFIG_SAMSUNG_DEV_ADC)	+= dev-adc.o
diff --git a/arch/arm/plat-samsung/dev-onenand.c b/arch/arm/plat-samsung/dev-onenand.c
new file mode 100644
index 00000000000..45ec73287d8
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-onenand.c
@@ -0,0 +1,55 @@
+/*
+ * linux/arch/arm/plat-samsung/dev-onenand.c
+ *
+ *  Copyright (c) 2008-2010 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * S3C64XX/S5PC100 series device definition for OneNAND devices
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+static struct resource s3c_onenand_resources[] = {
+	[0] = {
+		.start	= S3C_PA_ONENAND,
+		.end	= S3C_PA_ONENAND + 0x400 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= S3C_PA_ONENAND_BUF,
+		.end	= S3C_PA_ONENAND_BUF + S3C_SZ_ONENAND_BUF - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[2] = {
+		.start	= IRQ_ONENAND,
+		.end	= IRQ_ONENAND,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_onenand = {
+	.name		= "samsung-onenand",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(s3c_onenand_resources),
+	.resource	= s3c_onenand_resources,
+};
+
+void s3c_onenand_set_platdata(struct onenand_platform_data *pdata)
+{
+	struct onenand_platform_data *pd;
+
+	pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL);
+	if (!pd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	s3c_device_onenand.dev.platform_data = pd;
+}
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index ef69e56b288..57ec56ade02 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -60,6 +60,9 @@ extern struct platform_device s3c_device_spi1;
 extern struct platform_device s3c_device_hwmon;
 
 extern struct platform_device s3c_device_nand;
+extern struct platform_device s3c_device_onenand;
+extern struct platform_device s3c64xx_device_onenand1;
+extern struct platform_device s5pc110_device_onenand;
 
 extern struct platform_device s3c_device_usbgadget;
 extern struct platform_device s3c_device_usb_hsotg;
diff --git a/arch/arm/plat-samsung/include/plat/onenand-core.h b/arch/arm/plat-samsung/include/plat/onenand-core.h
new file mode 100644
index 00000000000..7701cb7020c
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/onenand-core.h
@@ -0,0 +1,37 @@
+/*
+ * linux/arch/arm/plat-samsung/onenand-core.h
+ *
+ *  Copyright (c) 2010 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *  Marek Szyprowski <m.szyprowski@samsung.com>
+ *
+ * Samsung OneNAD Controller core functions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_ONENAND_CORE_H
+#define __ASM_ARCH_ONENAND_CORE_H __FILE__
+
+/* These functions are only for use with the core support code, such as
+ * the cpu specific initialisation code
+ */
+
+/* re-define device name depending on support. */
+static inline void s3c_onenand_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_ONENAND
+	s3c_device_onenand.name = name;
+#endif
+}
+
+static inline void s3c64xx_onenand1_setname(char *name)
+{
+#ifdef CONFIG_S3C64XX_DEV_ONENAND1
+	s3c64xx_device_onenand1.name = name;
+#endif
+}
+
+#endif /* __ASM_ARCH_ONENAND_CORE_H */
diff --git a/arch/arm/plat-samsung/include/plat/regs-onenand.h b/arch/arm/plat-samsung/include/plat/regs-onenand.h
new file mode 100644
index 00000000000..930ea8b88ed
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/regs-onenand.h
@@ -0,0 +1,63 @@
+/*
+ * linux/arch/arm/plat-s3c/include/plat/regs-onenand.h
+ *
+ *  Copyright (C) 2008-2010 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __SAMSUNG_ONENAND_H__
+#define __SAMSUNG_ONENAND_H__
+
+#include <mach/hardware.h>
+
+/*
+ * OneNAND Controller
+ */
+#define MEM_CFG_OFFSET		0x0000
+#define BURST_LEN_OFFSET	0x0010
+#define MEM_RESET_OFFSET	0x0020
+#define INT_ERR_STAT_OFFSET	0x0030
+#define INT_ERR_MASK_OFFSET	0x0040
+#define INT_ERR_ACK_OFFSET	0x0050
+#define ECC_ERR_STAT_OFFSET	0x0060
+#define MANUFACT_ID_OFFSET	0x0070
+#define DEVICE_ID_OFFSET	0x0080
+#define DATA_BUF_SIZE_OFFSET	0x0090
+#define BOOT_BUF_SIZE_OFFSET	0x00A0
+#define BUF_AMOUNT_OFFSET	0x00B0
+#define TECH_OFFSET		0x00C0
+#define FBA_WIDTH_OFFSET	0x00D0
+#define FPA_WIDTH_OFFSET	0x00E0
+#define FSA_WIDTH_OFFSET	0x00F0
+#define TRANS_SPARE_OFFSET	0x0140
+#define DBS_DFS_WIDTH_OFFSET	0x0160
+#define INT_PIN_ENABLE_OFFSET	0x01A0
+#define ACC_CLOCK_OFFSET	0x01C0
+#define FLASH_VER_ID_OFFSET	0x01F0
+#define FLASH_AUX_CNTRL_OFFSET	0x0300		/* s3c64xx only */
+
+#define ONENAND_MEM_RESET_HOT	0x3
+#define ONENAND_MEM_RESET_COLD	0x2
+#define ONENAND_MEM_RESET_WARM	0x1
+
+#define CACHE_OP_ERR		(1 << 13)
+#define RST_CMP			(1 << 12)
+#define RDY_ACT			(1 << 11)
+#define INT_ACT			(1 << 10)
+#define UNSUP_CMD		(1 << 9)
+#define LOCKED_BLK		(1 << 8)
+#define BLK_RW_CMP		(1 << 7)
+#define ERS_CMP			(1 << 6)
+#define PGM_CMP			(1 << 5)
+#define LOAD_CMP		(1 << 4)
+#define ERS_FAIL		(1 << 3)
+#define PGM_FAIL		(1 << 2)
+#define INT_TO			(1 << 1)
+#define LD_FAIL_ECC_ERR		(1 << 0)
+
+#define TSRF			(1 << 0)
+
+#endif

From 73850975e9a070abeed5912a24975d531fd5074c Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Thu, 20 May 2010 10:04:23 +0100
Subject: [PATCH 2277/3638] mtd: mxc_nand: Remove duplicate NAND_CMD_RESET case
 value

This reverts commit 66803762 ("mtd: mxc_nand: add RESET command support").
Support for NAND_CMD_RESET was added separately in commit d4840180
("mtd: mxc_nand: set NFC registers after reset"), causing a build error:

drivers/mtd/nand/mxc_nand.c: In function 'mxc_nand_command':
drivers/mtd/nand/mxc_nand.c:689: error: duplicate case value
drivers/mtd/nand/mxc_nand.c:606: error: previously used here

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/mxc_nand.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 35da3dc4bd1..82e94389824 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -686,7 +686,6 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
 
 	case NAND_CMD_ERASE1:
 	case NAND_CMD_ERASE2:
-	case NAND_CMD_RESET:
 		send_cmd(host, command, false);
 		mxc_do_addr_cycle(mtd, column, page_addr);
 

From 5b696a67c327f21fc67b60a1518f65e4e7f2749f Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 20 May 2010 08:13:04 +0200
Subject: [PATCH 2278/3638] ARM: S5PV210: add framebuffer platform helpers for
 s5pv210 based machines

This patch adds common framebuffer device helpers and register defines
for S5PV210 based machines.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig                 |  5 ++
 arch/arm/mach-s5pv210/Makefile                |  1 +
 arch/arm/mach-s5pv210/include/mach/irqs.h     |  5 ++
 arch/arm/mach-s5pv210/include/mach/map.h      |  3 +
 .../mach-s5pv210/include/mach/regs-clock.h    |  1 +
 arch/arm/mach-s5pv210/setup-fb-24bpp.c        | 62 +++++++++++++++++++
 arch/arm/plat-samsung/include/plat/fb.h       |  7 +++
 7 files changed, 84 insertions(+)
 create mode 100644 arch/arm/mach-s5pv210/setup-fb-24bpp.c

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 430055b88f9..7d8d93feb63 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -25,6 +25,11 @@ config MACH_AQUILA
 	help
 	  Machine support for the Samsung Aquila target based on S5PC110 SoC
 
+config S5PV210_SETUP_FB_24BPP
+	bool
+	help
+          Common setup code for S5PV210 with an 24bpp RGB display helper.
+
 config MACH_SMDKV210
 	bool "SMDKV210"
 	select CPU_S5PV210
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index ed3cb6c1b5d..2b061a0292e 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -24,3 +24,4 @@ obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
 # device support
 
 obj-y				+= dev-audio.o
+obj-$(CONFIG_S5PV210_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h
index 62c5175ef29..ee6e07b5ae8 100644
--- a/arch/arm/mach-s5pv210/include/mach/irqs.h
+++ b/arch/arm/mach-s5pv210/include/mach/irqs.h
@@ -143,4 +143,9 @@
 
 #define NR_IRQS 		(IRQ_EINT(31) + 1)
 
+/* Compatibility */
+#define IRQ_LCD_FIFO		IRQ_LCD0
+#define IRQ_LCD_VSYNC		IRQ_LCD1
+#define IRQ_LCD_SYSTEM		IRQ_LCD2
+
 #endif /* ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 5adcb9f26e4..e6bb12c1790 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -47,6 +47,8 @@
 #define S5PV210_PA_PDMA0	0xE0900000
 #define S5PV210_PA_PDMA1	0xE0A00000
 
+#define S5PV210_PA_FB		(0xF8000000)
+
 #define S5PV210_PA_VIC0		(0xF2000000)
 #define S5P_PA_VIC0		S5PV210_PA_VIC0
 
@@ -78,5 +80,6 @@
 /* compatibiltiy defines. */
 #define S3C_PA_UART		S5PV210_PA_UART
 #define S3C_PA_IIC		S5PV210_PA_IIC0
+#define S3C_PA_FB		S5PV210_PA_FB
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/regs-clock.h b/arch/arm/mach-s5pv210/include/mach/regs-clock.h
index e56e0e4673e..2a25ab40c86 100644
--- a/arch/arm/mach-s5pv210/include/mach/regs-clock.h
+++ b/arch/arm/mach-s5pv210/include/mach/regs-clock.h
@@ -126,6 +126,7 @@
 
 #define S5P_RST_STAT		S5P_CLKREG(0xA000)
 #define S5P_OSC_CON		S5P_CLKREG(0x8000)
+#define S5P_MDNIE_SEL		S5P_CLKREG(0x7008)
 #define S5P_MIPI_PHY_CON0	S5P_CLKREG(0x7200)
 #define S5P_MIPI_PHY_CON1	S5P_CLKREG(0x7204)
 #define S5P_MIPI_CONTROL	S5P_CLKREG(0xE814)
diff --git a/arch/arm/mach-s5pv210/setup-fb-24bpp.c b/arch/arm/mach-s5pv210/setup-fb-24bpp.c
new file mode 100644
index 00000000000..a50cbac8720
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-fb-24bpp.c
@@ -0,0 +1,62 @@
+/* linux/arch/arm/plat-s5pv210/setup-fb-24bpp.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Base s5pv210 setup information for 24bpp LCD framebuffer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/fb.h>
+
+#include <mach/regs-fb.h>
+#include <mach/gpio.h>
+#include <mach/map.h>
+#include <plat/fb.h>
+#include <mach/regs-clock.h>
+#include <plat/gpio-cfg.h>
+
+void s5pv210_fb_gpio_setup_24bpp(void)
+{
+	unsigned int gpio = 0;
+
+	for (gpio = S5PV210_GPF0(0); gpio <= S5PV210_GPF0(7); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
+	}
+
+	for (gpio = S5PV210_GPF1(0); gpio <= S5PV210_GPF1(7); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
+	}
+
+	for (gpio = S5PV210_GPF2(0); gpio <= S5PV210_GPF2(7); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
+	}
+
+	for (gpio = S5PV210_GPF3(0); gpio <= S5PV210_GPF3(3); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
+	}
+
+	/* Set DISPLAY_CONTROL register for Display path selection.
+	 *
+	 * ouput   |   RGB   |   I80   |   ITU
+	 * -----------------------------------
+	 *  00     |   MIE   |  FIMD   |  FIMD
+	 *  01     | MDNIE   | MDNIE   |  FIMD
+	 *  10     |  FIMD   |  FIMD   |  FIMD
+	 *  11     |  FIMD   |  FIMD   |  FIMD
+	 */
+	writel(0x2, S5P_MDNIE_SEL);
+}
diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
index 1f85649d8c1..27d3b497b55 100644
--- a/arch/arm/plat-samsung/include/plat/fb.h
+++ b/arch/arm/plat-samsung/include/plat/fb.h
@@ -84,4 +84,11 @@ extern void s3c64xx_fb_gpio_setup_24bpp(void);
  */
 extern void s5pc100_fb_gpio_setup_24bpp(void);
 
+/**
+ * s5pv210_fb_gpio_setup_24bpp() - S5PV210/S5PC110 setup function for 24bpp LCD
+ *
+ * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
+ */
+extern void s5pv210_fb_gpio_setup_24bpp(void);
+
 #endif /* __PLAT_S3C_FB_H */

From c8d833bf5830f141c4680dae8f617d0d0a33605d Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 20 May 2010 08:13:06 +0200
Subject: [PATCH 2279/3638] ARM: S5PV210: add common I2C device helpers

This patch adds I2C platform helpers required by s3c2440-i2c driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Makefile                |  2 +
 arch/arm/mach-s5pv210/cpu.c                   |  6 ++
 arch/arm/mach-s5pv210/include/mach/map.h      |  4 ++
 arch/arm/mach-s5pv210/setup-i2c0.c            |  9 ++-
 arch/arm/mach-s5pv210/setup-i2c1.c            | 30 ++++++++
 arch/arm/mach-s5pv210/setup-i2c2.c            | 30 ++++++++
 arch/arm/plat-samsung/Kconfig                 |  5 ++
 arch/arm/plat-samsung/Makefile                |  1 +
 arch/arm/plat-samsung/dev-i2c2.c              | 70 +++++++++++++++++++
 arch/arm/plat-samsung/include/plat/devs.h     |  1 +
 arch/arm/plat-samsung/include/plat/iic-core.h |  7 ++
 arch/arm/plat-samsung/include/plat/iic.h      |  2 +
 12 files changed, 165 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm/mach-s5pv210/setup-i2c1.c
 create mode 100644 arch/arm/mach-s5pv210/setup-i2c2.c
 create mode 100644 arch/arm/plat-samsung/dev-i2c2.c

diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 2b061a0292e..c9aad7faf1f 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -25,3 +25,5 @@ obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
 
 obj-y				+= dev-audio.o
 obj-$(CONFIG_S5PV210_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
+obj-$(CONFIG_S5PV210_SETUP_I2C1) 	+= setup-i2c1.o
+obj-$(CONFIG_S5PV210_SETUP_I2C2) 	+= setup-i2c2.o
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index 2b776eb5d15..2d4a3d2221c 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -32,6 +32,7 @@
 #include <plat/devs.h>
 #include <plat/clock.h>
 #include <plat/s5pv210.h>
+#include <plat/iic-core.h>
 
 /* Initial IO mappings */
 
@@ -75,6 +76,11 @@ static void s5pv210_idle(void)
 void __init s5pv210_map_io(void)
 {
 	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
+
+	/* the i2c devices are directly compatible with s3c2440 */
+	s3c_i2c0_setname("s3c2440-i2c");
+	s3c_i2c1_setname("s3c2440-i2c");
+	s3c_i2c2_setname("s3c2440-i2c");
 }
 
 void __init s5pv210_init_clocks(int xtal)
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index e6bb12c1790..0254e08590e 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -26,6 +26,8 @@
 #define S5P_PA_GPIO		S5PV210_PA_GPIO
 
 #define S5PV210_PA_IIC0		(0xE1800000)
+#define S5PV210_PA_IIC1		(0xFAB00000)
+#define S5PV210_PA_IIC2		(0xE1A00000)
 
 #define S5PV210_PA_TIMER	(0xE2500000)
 #define S5P_PA_TIMER		S5PV210_PA_TIMER
@@ -80,6 +82,8 @@
 /* compatibiltiy defines. */
 #define S3C_PA_UART		S5PV210_PA_UART
 #define S3C_PA_IIC		S5PV210_PA_IIC0
+#define S3C_PA_IIC1		S5PV210_PA_IIC1
+#define S3C_PA_IIC2		S5PV210_PA_IIC2
 #define S3C_PA_FB		S5PV210_PA_FB
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/setup-i2c0.c b/arch/arm/mach-s5pv210/setup-i2c0.c
index 9ec6845840e..c718253c70b 100644
--- a/arch/arm/mach-s5pv210/setup-i2c0.c
+++ b/arch/arm/mach-s5pv210/setup-i2c0.c
@@ -1,6 +1,6 @@
 /* linux/arch/arm/mach-s5pv210/setup-i2c0.c
  *
- * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
  *
  * I2C0 GPIO configuration.
@@ -17,9 +17,14 @@
 
 struct platform_device; /* don't need the contents */
 
+#include <mach/gpio.h>
 #include <plat/iic.h>
+#include <plat/gpio-cfg.h>
 
 void s3c_i2c0_cfg_gpio(struct platform_device *dev)
 {
-	/* Will be populated later */
+	s3c_gpio_cfgpin(S5PV210_GPD1(0), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PV210_GPD1(0), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PV210_GPD1(1), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PV210_GPD1(1), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv210/setup-i2c1.c b/arch/arm/mach-s5pv210/setup-i2c1.c
new file mode 100644
index 00000000000..45e0e6ed2ed
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-i2c1.c
@@ -0,0 +1,30 @@
+/* linux/arch/arm/mach-s5pv210/setup-i2c1.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * I2C1 GPIO configuration.
+ *
+ * Based on plat-s3c64xx/setup-i2c1.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+struct platform_device; /* don't need the contents */
+
+#include <mach/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c1_cfg_gpio(struct platform_device *dev)
+{
+	s3c_gpio_cfgpin(S5PV210_GPD1(2), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PV210_GPD1(2), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PV210_GPD1(3), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PV210_GPD1(3), S3C_GPIO_PULL_UP);
+}
diff --git a/arch/arm/mach-s5pv210/setup-i2c2.c b/arch/arm/mach-s5pv210/setup-i2c2.c
new file mode 100644
index 00000000000..b11b4bff69a
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-i2c2.c
@@ -0,0 +1,30 @@
+/* linux/arch/arm/mach-s5pv210/setup-i2c2.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * I2C2 GPIO configuration.
+ *
+ * Based on plat-s3c64xx/setup-i2c0.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+struct platform_device; /* don't need the contents */
+
+#include <mach/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c2_cfg_gpio(struct platform_device *dev)
+{
+	s3c_gpio_cfgpin(S5PV210_GPD1(4), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PV210_GPD1(4), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PV210_GPD1(5), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PV210_GPD1(5), S3C_GPIO_PULL_UP);
+}
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 229919e9744..5b328e9e2bc 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -170,6 +170,11 @@ config S3C_DEV_I2C1
 	help
 	  Compile in platform device definitions for I2C channel 1
 
+config S3C_DEV_I2C2
+	bool
+	help
+	  Compile in platform device definitions for I2C channel 2
+
 config S3C_DEV_FB
 	bool
 	help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 48288499a3b..606ec8424c8 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_S3C_DEV_HSMMC2)	+= dev-hsmmc2.o
 obj-$(CONFIG_S3C_DEV_HWMON)	+= dev-hwmon.o
 obj-y				+= dev-i2c0.o
 obj-$(CONFIG_S3C_DEV_I2C1)	+= dev-i2c1.o
+obj-$(CONFIG_S3C_DEV_I2C2)	+= dev-i2c2.o
 obj-$(CONFIG_S3C_DEV_FB)	+= dev-fb.o
 obj-y				+= dev-uart.o
 obj-$(CONFIG_S3C_DEV_USB_HOST)	+= dev-usb.o
diff --git a/arch/arm/plat-samsung/dev-i2c2.c b/arch/arm/plat-samsung/dev-i2c2.c
new file mode 100644
index 00000000000..07036dee09e
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c2.c
@@ -0,0 +1,70 @@
+/* linux/arch/arm/plat-s3c/dev-i2c2.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S3C series device definition for i2c device 2
+ *
+ * Based on plat-samsung/dev-i2c0.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/gfp.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+	[0] = {
+		.start = S3C_PA_IIC2,
+		.end   = S3C_PA_IIC2 + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_CAN0,
+		.end   = IRQ_CAN0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_i2c2 = {
+	.name		  = "s3c2410-i2c",
+	.id		  = 2,
+	.num_resources	  = ARRAY_SIZE(s3c_i2c_resource),
+	.resource	  = s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data2 __initdata = {
+	.flags		= 0,
+	.bus_num	= 2,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+	.sda_delay	= 100,
+};
+
+void __init s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+	struct s3c2410_platform_i2c *npd;
+
+	if (!pd)
+		pd = &default_i2c_data2;
+
+	npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	else if (!npd->cfg_gpio)
+		npd->cfg_gpio = s3c_i2c2_cfg_gpio;
+
+	s3c_device_i2c2.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index ef69e56b288..78d24202f4e 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -45,6 +45,7 @@ extern struct platform_device s3c_device_lcd;
 extern struct platform_device s3c_device_wdt;
 extern struct platform_device s3c_device_i2c0;
 extern struct platform_device s3c_device_i2c1;
+extern struct platform_device s3c_device_i2c2;
 extern struct platform_device s3c_device_rtc;
 extern struct platform_device s3c_device_adc;
 extern struct platform_device s3c_device_sdi;
diff --git a/arch/arm/plat-samsung/include/plat/iic-core.h b/arch/arm/plat-samsung/include/plat/iic-core.h
index 36397ca2096..f182669b8e8 100644
--- a/arch/arm/plat-samsung/include/plat/iic-core.h
+++ b/arch/arm/plat-samsung/include/plat/iic-core.h
@@ -32,4 +32,11 @@ static inline void s3c_i2c1_setname(char *name)
 #endif
 }
 
+static inline void s3c_i2c2_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_I2C2
+	s3c_device_i2c2.name = name;
+#endif
+}
+
 #endif /* __ASM_ARCH_IIC_H */
diff --git a/arch/arm/plat-samsung/include/plat/iic.h b/arch/arm/plat-samsung/include/plat/iic.h
index 3083df00dee..133308bf595 100644
--- a/arch/arm/plat-samsung/include/plat/iic.h
+++ b/arch/arm/plat-samsung/include/plat/iic.h
@@ -54,9 +54,11 @@ struct s3c2410_platform_i2c {
  */
 extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c);
 extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c);
+extern void s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *i2c);
 
 /* defined by architecture to configure gpio */
 extern void s3c_i2c0_cfg_gpio(struct platform_device *dev);
 extern void s3c_i2c1_cfg_gpio(struct platform_device *dev);
+extern void s3c_i2c2_cfg_gpio(struct platform_device *dev);
 
 #endif /* __ASM_ARCH_IIC_H */

From 85cb68b27c428d477169f3aa46c72dba103a17bd Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Thu, 20 May 2010 10:34:59 +0200
Subject: [PATCH 2280/3638] perf: Fix unaligned accesses while fetching trace
 values

Accessing trace values of an 8 size may end up in a segfault
on archs that can't deal with misaligned access, which is the
case for sparc 64. This is because PERF_SAMPLE_RAW are aligned
to 4 and not to 8.

Fix this on the macros that get the values of 8 size.

This fixes segfaults on perf tools in sparc 64.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: David Miller <davem@davemloft.net>
---
 tools/perf/util/trace-event.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 406d452956d..b3e86b1e444 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -233,7 +233,12 @@ static inline unsigned long long __data2host8(unsigned long long data)
 
 #define data2host2(ptr)		__data2host2(*(unsigned short *)ptr)
 #define data2host4(ptr)		__data2host4(*(unsigned int *)ptr)
-#define data2host8(ptr)		__data2host8(*(unsigned long long *)ptr)
+#define data2host8(ptr)		({				\
+	unsigned long long __val;				\
+								\
+	memcpy(&__val, (ptr), sizeof(unsigned long long));	\
+	__data2host8(__val);					\
+})
 
 extern int header_page_ts_offset;
 extern int header_page_ts_size;

From e6f66a9f9668762f2c3f47728b29781ffc7fbad2 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 20 May 2010 08:13:07 +0200
Subject: [PATCH 2281/3638] ARM: S5PV210: add common HSMMC device helpers

This patch adds sdhci platform helpers required by sdhci-s3c driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig              |  21 +++++
 arch/arm/mach-s5pv210/Makefile             |   2 +
 arch/arm/mach-s5pv210/cpu.c                |   6 ++
 arch/arm/mach-s5pv210/include/mach/map.h   |   5 +
 arch/arm/mach-s5pv210/setup-sdhci-gpio.c   | 104 +++++++++++++++++++++
 arch/arm/mach-s5pv210/setup-sdhci.c        |  63 +++++++++++++
 arch/arm/plat-samsung/include/plat/sdhci.h |  55 +++++++++++
 7 files changed, 256 insertions(+)
 create mode 100644 arch/arm/mach-s5pv210/setup-sdhci-gpio.c
 create mode 100644 arch/arm/mach-s5pv210/setup-sdhci.c

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 7d8d93feb63..9e970036082 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -25,11 +25,32 @@ config MACH_AQUILA
 	help
 	  Machine support for the Samsung Aquila target based on S5PC110 SoC
 
+config S5PV210_SETUP_I2C1
+	bool
+	help
+	  Common setup code for i2c bus 1.
+
+config S5PV210_SETUP_I2C2
+	bool
+	help
+	  Common setup code for i2c bus 2.
+
 config S5PV210_SETUP_FB_24BPP
 	bool
 	help
           Common setup code for S5PV210 with an 24bpp RGB display helper.
 
+config S5PV210_SETUP_SDHCI
+        bool
+        select S5PV210_SETUP_SDHCI_GPIO
+        help
+          Internal helper functions for S5PV210 based SDHCI systems
+
+config S5PV210_SETUP_SDHCI_GPIO
+	bool
+	help
+	  Common setup code for SDHCI gpio.
+
 config MACH_SMDKV210
 	bool "SMDKV210"
 	select CPU_S5PV210
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index c9aad7faf1f..0b334c79816 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -27,3 +27,5 @@ obj-y				+= dev-audio.o
 obj-$(CONFIG_S5PV210_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
 obj-$(CONFIG_S5PV210_SETUP_I2C1) 	+= setup-i2c1.o
 obj-$(CONFIG_S5PV210_SETUP_I2C2) 	+= setup-i2c2.o
+obj-$(CONFIG_S5PV210_SETUP_SDHCI)       += setup-sdhci.o
+obj-$(CONFIG_S5PV210_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index 2d4a3d2221c..c5d53abc92f 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -33,6 +33,7 @@
 #include <plat/clock.h>
 #include <plat/s5pv210.h>
 #include <plat/iic-core.h>
+#include <plat/sdhci.h>
 
 /* Initial IO mappings */
 
@@ -77,6 +78,11 @@ void __init s5pv210_map_io(void)
 {
 	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
 
+	/* initialise device information early */
+	s5pv210_default_sdhci0();
+	s5pv210_default_sdhci1();
+	s5pv210_default_sdhci2();
+
 	/* the i2c devices are directly compatible with s3c2440 */
 	s3c_i2c0_setname("s3c2440-i2c");
 	s3c_i2c1_setname("s3c2440-i2c");
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 0254e08590e..eeb1ca79a6f 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -51,6 +51,8 @@
 
 #define S5PV210_PA_FB		(0xF8000000)
 
+#define S5PV210_PA_HSMMC(x)	(0xEB000000 + ((x) * 0x100000))
+
 #define S5PV210_PA_VIC0		(0xF2000000)
 #define S5P_PA_VIC0		S5PV210_PA_VIC0
 
@@ -81,6 +83,9 @@
 
 /* compatibiltiy defines. */
 #define S3C_PA_UART		S5PV210_PA_UART
+#define S3C_PA_HSMMC0		S5PV210_PA_HSMMC(0)
+#define S3C_PA_HSMMC1		S5PV210_PA_HSMMC(1)
+#define S3C_PA_HSMMC2		S5PV210_PA_HSMMC(2)
 #define S3C_PA_IIC		S5PV210_PA_IIC0
 #define S3C_PA_IIC1		S5PV210_PA_IIC1
 #define S3C_PA_IIC2		S5PV210_PA_IIC2
diff --git a/arch/arm/mach-s5pv210/setup-sdhci-gpio.c b/arch/arm/mach-s5pv210/setup-sdhci-gpio.c
new file mode 100644
index 00000000000..fe7d86dad14
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-sdhci-gpio.c
@@ -0,0 +1,104 @@
+/* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/card.h>
+
+#include <mach/gpio.h>
+#include <plat/gpio-cfg.h>
+#include <plat/regs-sdhci.h>
+
+void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+
+	/* Set all the necessary GPG0/GPG1 pins to special-function 2 */
+	for (gpio = S5PV210_GPG0(0); gpio < S5PV210_GPG0(2); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+	switch (width) {
+	case 8:
+		/* GPG1[3:6] special-funtion 3 */
+		for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		}
+	case 4:
+		/* GPG0[3:6] special-funtion 2 */
+		for (gpio = S5PV210_GPG0(3); gpio <= S5PV210_GPG0(6); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		}
+	default:
+		break;
+	}
+
+	s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2));
+}
+
+void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+
+	/* Set all the necessary GPG1[0:1] pins to special-function 2 */
+	for (gpio = S5PV210_GPG1(0); gpio < S5PV210_GPG1(2); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	/* Data pin GPG1[3:6] to special-function 2 */
+	for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2));
+}
+
+void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+
+	/* Set all the necessary GPG2[0:1] pins to special-function 2 */
+	for (gpio = S5PV210_GPG2(0); gpio < S5PV210_GPG2(2); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	switch (width) {
+	case 8:
+		/* Data pin GPG3[3:6] to special-function 3 */
+		for (gpio = S5PV210_GPG3(3); gpio <= S5PV210_GPG3(6); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		}
+	case 4:
+		/* Data pin GPG2[3:6] to special-function 2 */
+		for (gpio = S5PV210_GPG2(3); gpio <= S5PV210_GPG2(6); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		}
+	default:
+		break;
+	}
+
+	s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2));
+}
diff --git a/arch/arm/mach-s5pv210/setup-sdhci.c b/arch/arm/mach-s5pv210/setup-sdhci.c
new file mode 100644
index 00000000000..51815ec60c2
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-sdhci.c
@@ -0,0 +1,63 @@
+/* linux/arch/arm/mach-s5pv210/setup-sdhci.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - Helper functions for settign up SDHCI device(s) (HSMMC)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+
+#include <plat/regs-sdhci.h>
+#include <plat/sdhci.h>
+
+/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
+
+char *s5pv210_hsmmc_clksrcs[4] = {
+	[0] = "hsmmc",		/* HCLK */
+	[1] = "hsmmc",		/* HCLK */
+	[2] = "sclk_mmc",	/* mmc_bus */
+	/*[4] = reserved */
+};
+
+void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev,
+				    void __iomem *r,
+				    struct mmc_ios *ios,
+				    struct mmc_card *card)
+{
+	u32 ctrl2, ctrl3;
+
+	/* don't need to alter anything acording to card-type */
+
+	writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
+
+	ctrl2 = readl(r + S3C_SDHCI_CONTROL2);
+	ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
+	ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
+		  S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
+		  S3C_SDHCI_CTRL2_ENFBCLKRX |
+		  S3C_SDHCI_CTRL2_DFCNT_NONE |
+		  S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
+
+	if (ios->clock < 25 * 1000000)
+		ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
+			 S3C_SDHCI_CTRL3_FCSEL2 |
+			 S3C_SDHCI_CTRL3_FCSEL1 |
+			 S3C_SDHCI_CTRL3_FCSEL0);
+	else
+		ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
+
+	writel(ctrl2, r + S3C_SDHCI_CONTROL2);
+	writel(ctrl3, r + S3C_SDHCI_CONTROL3);
+}
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index 7d07cd7aa4f..13f9fb20900 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -75,6 +75,9 @@ extern void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
 extern void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
 extern void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
 extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
+extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
+extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
+extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
 
 /* S3C6400 SDHCI setup */
 
@@ -218,4 +221,56 @@ static inline void s5pc100_default_sdhci1(void) { }
 static inline void s5pc100_default_sdhci2(void) { }
 #endif /* CONFIG_S5PC100_SETUP_SDHCI */
 
+
+/* S5PC110 SDHCI setup */
+#ifdef CONFIG_S5PV210_SETUP_SDHCI
+extern char *s5pv210_hsmmc_clksrcs[4];
+
+extern void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev,
+					   void __iomem *r,
+					   struct mmc_ios *ios,
+					   struct mmc_card *card);
+
+#ifdef CONFIG_S3C_DEV_HSMMC
+static inline void s5pv210_default_sdhci0(void)
+{
+	s3c_hsmmc0_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
+	s3c_hsmmc0_def_platdata.cfg_gpio = s5pv210_setup_sdhci0_cfg_gpio;
+	s3c_hsmmc0_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
+}
+#else
+static inline void s5pc100_default_sdhci0(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC */
+
+#ifdef CONFIG_S3C_DEV_HSMMC1
+static inline void s5pv210_default_sdhci1(void)
+{
+	s3c_hsmmc1_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
+	s3c_hsmmc1_def_platdata.cfg_gpio = s5pv210_setup_sdhci1_cfg_gpio;
+	s3c_hsmmc1_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
+}
+#else
+static inline void s5pv210_default_sdhci1(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC1 */
+
+#ifdef CONFIG_S3C_DEV_HSMMC2
+static inline void s5pv210_default_sdhci2(void)
+{
+	s3c_hsmmc2_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
+	s3c_hsmmc2_def_platdata.cfg_gpio = s5pv210_setup_sdhci2_cfg_gpio;
+	s3c_hsmmc2_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
+}
+#else
+static inline void s5pv210_default_sdhci2(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC2 */
+
+#else
+static inline void s5pv210_default_sdhci0(void) { }
+static inline void s5pv210_default_sdhci1(void) { }
+static inline void s5pv210_default_sdhci2(void) { }
+#endif /* CONFIG_S5PC100_SETUP_SDHCI */
+
+
+
+
 #endif /* __PLAT_S3C_SDHCI_H */

From 921bae54693f26d01fb8e10ee6968b5cd8184551 Mon Sep 17 00:00:00 2001
From: Shikhar Khattar <shikhark@gmail.com>
Date: Thu, 20 May 2010 19:40:31 +1000
Subject: [PATCH 2282/3638] crypto: authenc - Fix cryptlen calculation

This patch (applied against 2.6.34) fixes the calculation of the
length of the ABLKCIPHER decrypt request ("cryptlen") after an
asynchronous hash request has been completed in the AUTHENC interface.

Signed-off-by: Shikhar Khattar <shikhark@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/authenc.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/crypto/authenc.c b/crypto/authenc.c
index 05eb32e0d94..b9884ee0adb 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -181,6 +181,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
 	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
 	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
 	struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+	unsigned int cryptlen = req->cryptlen;
 
 	if (err)
 		goto out;
@@ -196,6 +197,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
 		goto out;
 
 	authsize = crypto_aead_authsize(authenc);
+	cryptlen -= authsize;
 	ihash = ahreq->result + authsize;
 	scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
 				 authsize, 0);
@@ -209,7 +211,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
 	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
 					req->base.complete, req->base.data);
 	ablkcipher_request_set_crypt(abreq, req->src, req->dst,
-				     req->cryptlen, req->iv);
+				     cryptlen, req->iv);
 
 	err = crypto_ablkcipher_decrypt(abreq);
 
@@ -228,11 +230,13 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq,
 	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
 	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
 	struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+	unsigned int cryptlen = req->cryptlen;
 
 	if (err)
 		goto out;
 
 	authsize = crypto_aead_authsize(authenc);
+	cryptlen -= authsize;
 	ihash = ahreq->result + authsize;
 	scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
 				 authsize, 0);
@@ -246,7 +250,7 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq,
 	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
 					req->base.complete, req->base.data);
 	ablkcipher_request_set_crypt(abreq, req->src, req->dst,
-				     req->cryptlen, req->iv);
+				     cryptlen, req->iv);
 
 	err = crypto_ablkcipher_decrypt(abreq);
 

From 2e57da4105ff5bb61dd9c967940faa4d2def8224 Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Wed, 19 May 2010 23:15:32 +0900
Subject: [PATCH 2283/3638] ARM: S5PV210: Add GONI board support

This is for samsung GONI board using s5pc110.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig     |  8 +++
 arch/arm/mach-s5pv210/Makefile    |  1 +
 arch/arm/mach-s5pv210/mach-goni.c | 98 +++++++++++++++++++++++++++++++
 3 files changed, 107 insertions(+)
 create mode 100644 arch/arm/mach-s5pv210/mach-goni.c

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 9e970036082..d59abec6f97 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -51,6 +51,14 @@ config S5PV210_SETUP_SDHCI_GPIO
 	help
 	  Common setup code for SDHCI gpio.
 
+config MACH_GONI
+	bool "GONI"
+	select CPU_S5PV210
+	select ARCH_SPARSEMEM_ENABLE
+	help
+	  Machine support for Samsung GONI board
+	  S5PC110(MCP) is one of package option of S5PV210
+
 config MACH_SMDKV210
 	bool "SMDKV210"
 	select CPU_S5PV210
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 0b334c79816..6c0cba8dfaf 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_CPU_S5PV210)	+= setup-i2c0.o
 obj-$(CONFIG_MACH_AQUILA)	+= mach-aquila.o
 obj-$(CONFIG_MACH_SMDKV210)	+= mach-smdkv210.o
 obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
+obj-$(CONFIG_MACH_GONI)		+= mach-goni.o
 
 # device support
 
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
new file mode 100644
index 00000000000..4863b13824e
--- /dev/null
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -0,0 +1,98 @@
+/* linux/arch/arm/mach-s5pv210/mach-goni.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
+#include <plat/regs-serial.h>
+#include <plat/s5pv210.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define S5PV210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define S5PV210_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define S5PV210_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG4 |	\
+				 S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg goni_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport		= 0,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport		= 1,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport		= 2,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[3] = {
+		.hwport		= 3,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+};
+
+static struct platform_device *goni_devices[] __initdata = {
+};
+
+static void __init goni_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
+}
+
+static void __init goni_machine_init(void)
+{
+	platform_add_devices(goni_devices, ARRAY_SIZE(goni_devices));
+}
+
+MACHINE_START(GONI, "GONI")
+	/* Maintainers: Kyungmin Park <kyungmin.park@samsung.com> */
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= s5pv210_init_irq,
+	.map_io		= goni_map_io,
+	.init_machine	= goni_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END

From eff4c74da7944ba30feb47b51d1e9e940e6682ff Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 20 May 2010 18:48:43 +0900
Subject: [PATCH 2284/3638] ARM: S5PV210: Fixup machine Kconfig order

Update the Kconfig order and add a spacer between
device setup support and the machine definitions.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index d59abec6f97..9efc3b3c9ce 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -16,15 +16,6 @@ config CPU_S5PV210
 	help
 	  Enable S5PV210 CPU support
 
-config MACH_AQUILA
-	bool "Samsung Aquila"
-	select CPU_S5PV210
-	select ARCH_SPARSEMEM_ENABLE
-	select S5PV210_SETUP_FB_24BPP
-	select S3C_DEV_FB
-	help
-	  Machine support for the Samsung Aquila target based on S5PC110 SoC
-
 config S5PV210_SETUP_I2C1
 	bool
 	help
@@ -51,6 +42,17 @@ config S5PV210_SETUP_SDHCI_GPIO
 	help
 	  Common setup code for SDHCI gpio.
 
+# machine support
+
+config MACH_AQUILA
+	bool "Samsung Aquila"
+	select CPU_S5PV210
+	select ARCH_SPARSEMEM_ENABLE
+	select S5PV210_SETUP_FB_24BPP
+	select S3C_DEV_FB
+	help
+	  Machine support for the Samsung Aquila target based on S5PC110 SoC
+
 config MACH_GONI
 	bool "GONI"
 	select CPU_S5PV210

From e954bc91bdd4bb08b8325478c5004b24a23a3522 Mon Sep 17 00:00:00 2001
From: Matt Mackall <mpm@selenic.com>
Date: Thu, 20 May 2010 19:55:01 +1000
Subject: [PATCH 2285/3638] random: simplify fips mode

Rather than dynamically allocate 10 bytes, move it to static allocation.
This saves space and avoids the need for error checking.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/char/random.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 2fd3d39995d..8d85587b6d4 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -257,6 +257,7 @@
 #define INPUT_POOL_WORDS 128
 #define OUTPUT_POOL_WORDS 32
 #define SEC_XFER_SIZE 512
+#define EXTRACT_SIZE 10
 
 /*
  * The minimum number of bits of entropy before we wake up a read on
@@ -414,7 +415,7 @@ struct entropy_store {
 	unsigned add_ptr;
 	int entropy_count;
 	int input_rotate;
-	__u8 *last_data;
+	__u8 last_data[EXTRACT_SIZE];
 };
 
 static __u32 input_pool_data[INPUT_POOL_WORDS];
@@ -714,8 +715,6 @@ void add_disk_randomness(struct gendisk *disk)
 }
 #endif
 
-#define EXTRACT_SIZE 10
-
 /*********************************************************************
  *
  * Entropy extraction routines
@@ -862,7 +861,7 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
 	while (nbytes) {
 		extract_buf(r, tmp);
 
-		if (r->last_data) {
+		if (fips_enabled) {
 			spin_lock_irqsave(&r->lock, flags);
 			if (!memcmp(tmp, r->last_data, EXTRACT_SIZE))
 				panic("Hardware RNG duplicated output!\n");
@@ -951,9 +950,6 @@ static void init_std_data(struct entropy_store *r)
 	now = ktime_get_real();
 	mix_pool_bytes(r, &now, sizeof(now));
 	mix_pool_bytes(r, utsname(), sizeof(*(utsname())));
-	/* Enable continuous test in fips mode */
-	if (fips_enabled)
-		r->last_data = kmalloc(EXTRACT_SIZE, GFP_KERNEL);
 }
 
 static int rand_initialize(void)

From 9e4ed5c394e64a40adc55797e885dae571e32800 Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Tue, 18 May 2010 16:02:39 +0900
Subject: [PATCH 2286/3638] ARM: S5PC100: Add audio platform devices

Define platform devices for all audio devices found on S5PC100

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/Makefile            |   3 +
 arch/arm/mach-s5pc100/dev-audio.c         | 287 ++++++++++++++++++++++
 arch/arm/mach-s5pc100/include/mach/map.h  |   7 +
 arch/arm/plat-samsung/include/plat/devs.h |   7 +
 4 files changed, 304 insertions(+)
 create mode 100644 arch/arm/mach-s5pc100/dev-audio.c

diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index 373bc546eae..e02d8fd8191 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -22,3 +22,6 @@ obj-$(CONFIG_S5PC100_SETUP_SDHCI)       += setup-sdhci.o
 
 # machine support
 obj-$(CONFIG_MACH_SMDKC100)	+= mach-smdkc100.o
+
+# device support
+obj-y				+= dev-audio.o
diff --git a/arch/arm/mach-s5pc100/dev-audio.c b/arch/arm/mach-s5pc100/dev-audio.c
new file mode 100644
index 00000000000..18cfe9ae193
--- /dev/null
+++ b/arch/arm/mach-s5pc100/dev-audio.c
@@ -0,0 +1,287 @@
+/* linux/arch/arm/mach-s5pc100/dev-audio.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co. Ltd
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/audio.h>
+
+#include <mach/gpio.h>
+#include <mach/map.h>
+#include <mach/dma.h>
+#include <mach/irqs.h>
+
+static int s5pc100_cfg_i2s(struct platform_device *pdev)
+{
+	/* configure GPIO for i2s port */
+	switch (pdev->id) {
+	case 1:
+		s3c_gpio_cfgpin(S5PC100_GPC(0), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PC100_GPC(4), S3C_GPIO_SFN(2));
+		break;
+
+	case 2:
+		s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(4));
+		s3c_gpio_cfgpin(S5PC100_GPG3(1), S3C_GPIO_SFN(4));
+		s3c_gpio_cfgpin(S5PC100_GPG3(2), S3C_GPIO_SFN(4));
+		s3c_gpio_cfgpin(S5PC100_GPG3(3), S3C_GPIO_SFN(4));
+		s3c_gpio_cfgpin(S5PC100_GPG3(4), S3C_GPIO_SFN(4));
+		break;
+
+	case -1: /* Dedicated pins */
+		break;
+
+	default:
+		printk(KERN_ERR "Invalid Device %d\n", pdev->id);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct s3c_audio_pdata s3c_i2s_pdata = {
+	.cfg_gpio = s5pc100_cfg_i2s,
+};
+
+static struct resource s5pc100_iis0_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_I2S0,
+		.end   = S5PC100_PA_I2S0 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_I2S0_TX,
+		.end   = DMACH_I2S0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_I2S0_RX,
+		.end   = DMACH_I2S0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+struct platform_device s5pc100_device_iis0 = {
+	.name		  = "s3c64xx-iis-v4",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s5pc100_iis0_resource),
+	.resource	  = s5pc100_iis0_resource,
+	.dev = {
+		.platform_data = &s3c_i2s_pdata,
+	},
+};
+
+static struct resource s5pc100_iis1_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_I2S1,
+		.end   = S5PC100_PA_I2S1 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_I2S1_TX,
+		.end   = DMACH_I2S1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_I2S1_RX,
+		.end   = DMACH_I2S1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+struct platform_device s5pc100_device_iis1 = {
+	.name		  = "s3c64xx-iis",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s5pc100_iis1_resource),
+	.resource	  = s5pc100_iis1_resource,
+	.dev = {
+		.platform_data = &s3c_i2s_pdata,
+	},
+};
+
+static struct resource s5pc100_iis2_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_I2S2,
+		.end   = S5PC100_PA_I2S2 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_I2S2_TX,
+		.end   = DMACH_I2S2_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_I2S2_RX,
+		.end   = DMACH_I2S2_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+struct platform_device s5pc100_device_iis2 = {
+	.name		  = "s3c64xx-iis",
+	.id		  = 2,
+	.num_resources	  = ARRAY_SIZE(s5pc100_iis2_resource),
+	.resource	  = s5pc100_iis2_resource,
+	.dev = {
+		.platform_data = &s3c_i2s_pdata,
+	},
+};
+
+/* PCM Controller platform_devices */
+
+static int s5pc100_pcm_cfg_gpio(struct platform_device *pdev)
+{
+	switch (pdev->id) {
+	case 0:
+		s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(5));
+		s3c_gpio_cfgpin(S5PC100_GPG3(1), S3C_GPIO_SFN(5));
+		s3c_gpio_cfgpin(S5PC100_GPG3(2), S3C_GPIO_SFN(5));
+		s3c_gpio_cfgpin(S5PC100_GPG3(3), S3C_GPIO_SFN(5));
+		s3c_gpio_cfgpin(S5PC100_GPG3(4), S3C_GPIO_SFN(5));
+		break;
+
+	case 1:
+		s3c_gpio_cfgpin(S5PC100_GPC(0), S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin(S5PC100_GPC(4), S3C_GPIO_SFN(3));
+		break;
+
+	default:
+		printk(KERN_DEBUG "Invalid PCM Controller number!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct s3c_audio_pdata s3c_pcm_pdata = {
+	.cfg_gpio = s5pc100_pcm_cfg_gpio,
+};
+
+static struct resource s5pc100_pcm0_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_PCM0,
+		.end   = S5PC100_PA_PCM0 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_PCM0_TX,
+		.end   = DMACH_PCM0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_PCM0_RX,
+		.end   = DMACH_PCM0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+struct platform_device s5pc100_device_pcm0 = {
+	.name		  = "samsung-pcm",
+	.id		  = 0,
+	.num_resources	  = ARRAY_SIZE(s5pc100_pcm0_resource),
+	.resource	  = s5pc100_pcm0_resource,
+	.dev = {
+		.platform_data = &s3c_pcm_pdata,
+	},
+};
+
+static struct resource s5pc100_pcm1_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_PCM1,
+		.end   = S5PC100_PA_PCM1 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_PCM1_TX,
+		.end   = DMACH_PCM1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_PCM1_RX,
+		.end   = DMACH_PCM1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+struct platform_device s5pc100_device_pcm1 = {
+	.name		  = "samsung-pcm",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s5pc100_pcm1_resource),
+	.resource	  = s5pc100_pcm1_resource,
+	.dev = {
+		.platform_data = &s3c_pcm_pdata,
+	},
+};
+
+/* AC97 Controller platform devices */
+
+static int s5pc100_ac97_cfg_gpio(struct platform_device *pdev)
+{
+	s3c_gpio_cfgpin(S5PC100_GPC(0), S3C_GPIO_SFN(4));
+	s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(4));
+	s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(4));
+	s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(4));
+	s3c_gpio_cfgpin(S5PC100_GPC(4), S3C_GPIO_SFN(4));
+
+	return 0;
+}
+
+static struct resource s5pc100_ac97_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_AC97,
+		.end   = S5PC100_PA_AC97 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_AC97_PCMOUT,
+		.end   = DMACH_AC97_PCMOUT,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_AC97_PCMIN,
+		.end   = DMACH_AC97_PCMIN,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = DMACH_AC97_MICIN,
+		.end   = DMACH_AC97_MICIN,
+		.flags = IORESOURCE_DMA,
+	},
+	[4] = {
+		.start = IRQ_AC97,
+		.end   = IRQ_AC97,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c_audio_pdata s3c_ac97_pdata = {
+	.cfg_gpio = s5pc100_ac97_cfg_gpio,
+};
+
+static u64 s5pc100_ac97_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5pc100_device_ac97 = {
+	.name		  = "s3c-ac97",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s5pc100_ac97_resource),
+	.resource	  = s5pc100_ac97_resource,
+	.dev = {
+		.platform_data = &s3c_ac97_pdata,
+		.dma_mask = &s5pc100_ac97_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
index 4681ebe8bef..de3891c6af0 100644
--- a/arch/arm/mach-s5pc100/include/mach/map.h
+++ b/arch/arm/mach-s5pc100/include/mach/map.h
@@ -106,6 +106,13 @@
 #define S5PC100_PA_I2S1		(0xF2100000)
 #define S5PC100_PA_I2S2		(0xF2200000)
 
+/* AC97 */
+#define S5PC100_PA_AC97		0xF2300000
+
+/* PCM */
+#define S5PC100_PA_PCM0		0xF2400000
+#define S5PC100_PA_PCM1		0xF2500000
+
 /* KEYPAD */
 #define S5PC100_PA_KEYPAD	(0xF3100000)
 
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index ef69e56b288..e03bce04a79 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -80,6 +80,13 @@ extern struct platform_device s5p6442_device_iis1;
 extern struct platform_device s5p6440_device_pcm;
 extern struct platform_device s5p6440_device_iis;
 
+extern struct platform_device s5pc100_device_ac97;
+extern struct platform_device s5pc100_device_pcm0;
+extern struct platform_device s5pc100_device_pcm1;
+extern struct platform_device s5pc100_device_iis0;
+extern struct platform_device s5pc100_device_iis1;
+extern struct platform_device s5pc100_device_iis2;
+
 /* s3c2440 specific devices */
 
 #ifdef CONFIG_CPU_S3C2440

From 99c56e0ce1c11221948c7da127b0bbe1641cbe41 Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Tue, 18 May 2010 16:02:44 +0900
Subject: [PATCH 2287/3638] ARM: SMDKC100: Add audio devices on board

Add audio platform devices on the smdk by default.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/mach-smdkc100.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index bfe67db34f0..62bf38c06ae 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -150,6 +150,8 @@ static struct platform_device *smdkc100_devices[] __initdata = {
 	&s3c_device_hsmmc1,
 	&s3c_device_hsmmc2,
 	&smdkc100_lcd_powerdev,
+	&s5pc100_device_iis0,
+	&s5pc100_device_ac97,
 };
 
 static void __init smdkc100_map_io(void)

From 7c3943f6d3625a2823262842e18387c4079a3f84 Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Tue, 18 May 2010 16:43:34 +0900
Subject: [PATCH 2288/3638] ARM: S5PC100: Define SPI platform devices

Define SPI platform devices for the SoC.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/Makefile                |   4 +
 arch/arm/mach-s5pc100/dev-spi.c               | 233 ++++++++++++++++++
 arch/arm/mach-s5pc100/include/mach/map.h      |   5 +
 .../mach-s5pc100/include/mach/spi-clocks.h    |  18 ++
 arch/arm/plat-samsung/include/plat/devs.h     |   4 +
 .../plat-samsung/include/plat/s3c64xx-spi.h   |   1 +
 6 files changed, 265 insertions(+)
 create mode 100644 arch/arm/mach-s5pc100/dev-spi.c
 create mode 100644 arch/arm/mach-s5pc100/include/mach/spi-clocks.h

diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index 373bc546eae..65a2911b4c7 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -20,5 +20,9 @@ obj-$(CONFIG_S5PC100_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
 obj-$(CONFIG_S5PC100_SETUP_I2C1)	+= setup-i2c1.o
 obj-$(CONFIG_S5PC100_SETUP_SDHCI)       += setup-sdhci.o
 
+# device support
+obj-y				+= dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
+
 # machine support
 obj-$(CONFIG_MACH_SMDKC100)	+= mach-smdkc100.o
diff --git a/arch/arm/mach-s5pc100/dev-spi.c b/arch/arm/mach-s5pc100/dev-spi.c
new file mode 100644
index 00000000000..14618c34605
--- /dev/null
+++ b/arch/arm/mach-s5pc100/dev-spi.c
@@ -0,0 +1,233 @@
+/* linux/arch/arm/mach-s5pc100/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+#include <plat/irqs.h>
+
+static char *spi_src_clks[] = {
+	[S5PC100_SPI_SRCCLK_PCLK] = "pclk",
+	[S5PC100_SPI_SRCCLK_48M] = "spi_48m",
+	[S5PC100_SPI_SRCCLK_SPIBUS] = "spi_bus",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5pc100_spi_cfg_gpio(struct platform_device *pdev)
+{
+	switch (pdev->id) {
+	case 0:
+		s3c_gpio_cfgpin(S5PC100_GPB(0), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PC100_GPB(1), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PC100_GPB(2), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(S5PC100_GPB(0), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PC100_GPB(1), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PC100_GPB(2), S3C_GPIO_PULL_UP);
+		break;
+
+	case 1:
+		s3c_gpio_cfgpin(S5PC100_GPB(4), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PC100_GPB(5), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PC100_GPB(6), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(S5PC100_GPB(4), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PC100_GPB(5), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PC100_GPB(6), S3C_GPIO_PULL_UP);
+		break;
+
+	case 2:
+		s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin(S5PC100_GPG3(2), S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin(S5PC100_GPG3(3), S3C_GPIO_SFN(3));
+		s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PC100_GPG3(2), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PC100_GPG3(3), S3C_GPIO_PULL_UP);
+		break;
+
+	default:
+		dev_err(&pdev->dev, "Invalid SPI Controller number!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct resource s5pc100_spi0_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_SPI0,
+		.end   = S5PC100_PA_SPI0 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI0_TX,
+		.end   = DMACH_SPI0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI0_RX,
+		.end   = DMACH_SPI0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI0,
+		.end   = IRQ_SPI0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s5pc100_spi0_pdata = {
+	.cfg_gpio = s5pc100_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x7f,
+	.rx_lvl_offset = 13,
+	.high_speed = 1,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5pc100_device_spi0 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 0,
+	.num_resources	  = ARRAY_SIZE(s5pc100_spi0_resource),
+	.resource	  = s5pc100_spi0_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s5pc100_spi0_pdata,
+	},
+};
+
+static struct resource s5pc100_spi1_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_SPI1,
+		.end   = S5PC100_PA_SPI1 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI1_TX,
+		.end   = DMACH_SPI1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI1_RX,
+		.end   = DMACH_SPI1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI1,
+		.end   = IRQ_SPI1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s5pc100_spi1_pdata = {
+	.cfg_gpio = s5pc100_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x7f,
+	.rx_lvl_offset = 13,
+	.high_speed = 1,
+};
+
+struct platform_device s5pc100_device_spi1 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s5pc100_spi1_resource),
+	.resource	  = s5pc100_spi1_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s5pc100_spi1_pdata,
+	},
+};
+
+static struct resource s5pc100_spi2_resource[] = {
+	[0] = {
+		.start = S5PC100_PA_SPI2,
+		.end   = S5PC100_PA_SPI2 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI2_TX,
+		.end   = DMACH_SPI2_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI2_RX,
+		.end   = DMACH_SPI2_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI2,
+		.end   = IRQ_SPI2,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s5pc100_spi2_pdata = {
+	.cfg_gpio = s5pc100_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x7f,
+	.rx_lvl_offset = 13,
+	.high_speed = 1,
+};
+
+struct platform_device s5pc100_device_spi2 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 2,
+	.num_resources	  = ARRAY_SIZE(s5pc100_spi2_resource),
+	.resource	  = s5pc100_spi2_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s5pc100_spi2_pdata,
+	},
+};
+
+void __init s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+	struct s3c64xx_spi_info *pd;
+
+	/* Reject invalid configuration */
+	if (!num_cs || src_clk_nr < 0
+			|| src_clk_nr > S5PC100_SPI_SRCCLK_SPIBUS) {
+		printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+		return;
+	}
+
+	switch (cntrlr) {
+	case 0:
+		pd = &s5pc100_spi0_pdata;
+		break;
+	case 1:
+		pd = &s5pc100_spi1_pdata;
+		break;
+	case 2:
+		pd = &s5pc100_spi2_pdata;
+		break;
+	default:
+		printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+							__func__, cntrlr);
+		return;
+	}
+
+	pd->num_cs = num_cs;
+	pd->src_clk_nr = src_clk_nr;
+	pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
index 4681ebe8bef..5ff7931c536 100644
--- a/arch/arm/mach-s5pc100/include/mach/map.h
+++ b/arch/arm/mach-s5pc100/include/mach/map.h
@@ -82,6 +82,11 @@
 #define S5PC100_PA_I2C		(0xEC100000)
 #define S5PC100_PA_I2C1		(0xEC200000)
 
+/* SPI */
+#define S5PC100_PA_SPI0		0xEC300000
+#define S5PC100_PA_SPI1		0xEC400000
+#define S5PC100_PA_SPI2		0xEC500000
+
 /* USB HS OTG */
 #define S5PC100_PA_USB_HSOTG	(0xED200000)
 #define S5PC100_PA_USB_HSPHY	(0xED300000)
diff --git a/arch/arm/mach-s5pc100/include/mach/spi-clocks.h b/arch/arm/mach-s5pc100/include/mach/spi-clocks.h
new file mode 100644
index 00000000000..65e426370bb
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/spi-clocks.h
@@ -0,0 +1,18 @@
+/* linux/arch/arm/mach-s5pc100/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S5PC100_PLAT_SPI_CLKS_H
+#define __S5PC100_PLAT_SPI_CLKS_H __FILE__
+
+#define S5PC100_SPI_SRCCLK_PCLK		0
+#define S5PC100_SPI_SRCCLK_48M		1
+#define S5PC100_SPI_SRCCLK_SPIBUS	2
+
+#endif /* __S5PC100_PLAT_SPI_CLKS_H */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index ef69e56b288..1fe83b7b2c3 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -57,6 +57,10 @@ extern struct platform_device s3c_device_hsmmc2;
 extern struct platform_device s3c_device_spi0;
 extern struct platform_device s3c_device_spi1;
 
+extern struct platform_device s5pc100_device_spi0;
+extern struct platform_device s5pc100_device_spi1;
+extern struct platform_device s5pc100_device_spi2;
+
 extern struct platform_device s3c_device_hwmon;
 
 extern struct platform_device s3c_device_nand;
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index d1772414931..49ba71f0f9e 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -63,5 +63,6 @@ struct s3c64xx_spi_info {
  * has some chips attached to it.
  */
 extern void s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 
 #endif /* __S3C64XX_PLAT_SPI_H */

From f0c303a68701a5df53a8672eb81a85c8a41096da Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Tue, 18 May 2010 16:43:37 +0900
Subject: [PATCH 2289/3638] ARM: S5PV210: Define SPI platform devices

Define SPI platform devices for the SoC.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Makefile                |   1 +
 arch/arm/mach-s5pv210/dev-spi.c               | 178 ++++++++++++++++++
 arch/arm/mach-s5pv210/include/mach/map.h      |   4 +
 .../mach-s5pv210/include/mach/spi-clocks.h    |  17 ++
 arch/arm/plat-samsung/include/plat/devs.h     |   2 +
 .../plat-samsung/include/plat/s3c64xx-spi.h   |   1 +
 6 files changed, 203 insertions(+)
 create mode 100644 arch/arm/mach-s5pv210/dev-spi.c
 create mode 100644 arch/arm/mach-s5pv210/include/mach/spi-clocks.h

diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 99827813d29..ba0d7091343 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -23,3 +23,4 @@ obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
 # device support
 
 obj-y				+= dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
diff --git a/arch/arm/mach-s5pv210/dev-spi.c b/arch/arm/mach-s5pv210/dev-spi.c
new file mode 100644
index 00000000000..337a62b57a0
--- /dev/null
+++ b/arch/arm/mach-s5pv210/dev-spi.c
@@ -0,0 +1,178 @@
+/* linux/arch/arm/mach-s5pv210/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+
+static char *spi_src_clks[] = {
+	[S5PV210_SPI_SRCCLK_PCLK] = "pclk",
+	[S5PV210_SPI_SRCCLK_SCLK] = "sclk_spi",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5pv210_spi_cfg_gpio(struct platform_device *pdev)
+{
+	switch (pdev->id) {
+	case 0:
+		s3c_gpio_cfgpin(S5PV210_GPB(0), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PV210_GPB(1), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PV210_GPB(2), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(S5PV210_GPB(0), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PV210_GPB(1), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PV210_GPB(2), S3C_GPIO_PULL_UP);
+		break;
+
+	case 1:
+		s3c_gpio_cfgpin(S5PV210_GPB(4), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PV210_GPB(5), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5PV210_GPB(6), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(S5PV210_GPB(4), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PV210_GPB(5), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5PV210_GPB(6), S3C_GPIO_PULL_UP);
+		break;
+
+	default:
+		dev_err(&pdev->dev, "Invalid SPI Controller number!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct resource s5pv210_spi0_resource[] = {
+	[0] = {
+		.start = S5PV210_PA_SPI0,
+		.end   = S5PV210_PA_SPI0 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI0_TX,
+		.end   = DMACH_SPI0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI0_RX,
+		.end   = DMACH_SPI0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI0,
+		.end   = IRQ_SPI0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s5pv210_spi0_pdata = {
+	.cfg_gpio = s5pv210_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x1ff,
+	.rx_lvl_offset = 15,
+	.high_speed = 1,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5pv210_device_spi0 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 0,
+	.num_resources	  = ARRAY_SIZE(s5pv210_spi0_resource),
+	.resource	  = s5pv210_spi0_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s5pv210_spi0_pdata,
+	},
+};
+
+static struct resource s5pv210_spi1_resource[] = {
+	[0] = {
+		.start = S5PV210_PA_SPI1,
+		.end   = S5PV210_PA_SPI1 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI1_TX,
+		.end   = DMACH_SPI1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI1_RX,
+		.end   = DMACH_SPI1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI1,
+		.end   = IRQ_SPI1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s5pv210_spi1_pdata = {
+	.cfg_gpio = s5pv210_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x7f,
+	.rx_lvl_offset = 15,
+	.high_speed = 1,
+};
+
+struct platform_device s5pv210_device_spi1 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s5pv210_spi1_resource),
+	.resource	  = s5pv210_spi1_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s5pv210_spi1_pdata,
+	},
+};
+
+void __init s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+	struct s3c64xx_spi_info *pd;
+
+	/* Reject invalid configuration */
+	if (!num_cs || src_clk_nr < 0
+			|| src_clk_nr > S5PV210_SPI_SRCCLK_SCLK) {
+		printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+		return;
+	}
+
+	switch (cntrlr) {
+	case 0:
+		pd = &s5pv210_spi0_pdata;
+		break;
+	case 1:
+		pd = &s5pv210_spi1_pdata;
+		break;
+	default:
+		printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+							__func__, cntrlr);
+		return;
+	}
+
+	pd->num_cs = num_cs;
+	pd->src_clk_nr = src_clk_nr;
+	pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 5adcb9f26e4..9ab0069d1a7 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -25,6 +25,10 @@
 #define S5PV210_PA_GPIO		(0xE0200000)
 #define S5P_PA_GPIO		S5PV210_PA_GPIO
 
+/* SPI */
+#define S5PV210_PA_SPI0		0xE1300000
+#define S5PV210_PA_SPI1		0xE1400000
+
 #define S5PV210_PA_IIC0		(0xE1800000)
 
 #define S5PV210_PA_TIMER	(0xE2500000)
diff --git a/arch/arm/mach-s5pv210/include/mach/spi-clocks.h b/arch/arm/mach-s5pv210/include/mach/spi-clocks.h
new file mode 100644
index 00000000000..02acded5f73
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/spi-clocks.h
@@ -0,0 +1,17 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S5PV210_PLAT_SPI_CLKS_H
+#define __S5PV210_PLAT_SPI_CLKS_H __FILE__
+
+#define S5PV210_SPI_SRCCLK_PCLK		0
+#define S5PV210_SPI_SRCCLK_SCLK		1
+
+#endif /* __S5PV210_PLAT_SPI_CLKS_H */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 1fe83b7b2c3..350a71b0954 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -60,6 +60,8 @@ extern struct platform_device s3c_device_spi1;
 extern struct platform_device s5pc100_device_spi0;
 extern struct platform_device s5pc100_device_spi1;
 extern struct platform_device s5pc100_device_spi2;
+extern struct platform_device s5pv210_device_spi0;
+extern struct platform_device s5pv210_device_spi1;
 
 extern struct platform_device s3c_device_hwmon;
 
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index 49ba71f0f9e..fdb40c38282 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -64,5 +64,6 @@ struct s3c64xx_spi_info {
  */
 extern void s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 extern void s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 
 #endif /* __S3C64XX_PLAT_SPI_H */

From e8a3931d5fb862c0bd21c81b363b729a263dc8d3 Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Tue, 18 May 2010 16:43:45 +0900
Subject: [PATCH 2290/3638] ARM: S5P6442: Define SPI platform devices

Define SPI platform devices for the SoC.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5p6442/Makefile                |   1 +
 arch/arm/mach-s5p6442/dev-spi.c               | 123 ++++++++++++++++++
 arch/arm/mach-s5p6442/include/mach/map.h      |   2 +
 .../mach-s5p6442/include/mach/spi-clocks.h    |  17 +++
 arch/arm/plat-samsung/include/plat/devs.h     |   1 +
 .../plat-samsung/include/plat/s3c64xx-spi.h   |   1 +
 6 files changed, 145 insertions(+)
 create mode 100644 arch/arm/mach-s5p6442/dev-spi.c
 create mode 100644 arch/arm/mach-s5p6442/include/mach/spi-clocks.h

diff --git a/arch/arm/mach-s5p6442/Makefile b/arch/arm/mach-s5p6442/Makefile
index e30a7f76aee..90a3d837341 100644
--- a/arch/arm/mach-s5p6442/Makefile
+++ b/arch/arm/mach-s5p6442/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_SMDK6442)	+= mach-smdk6442.o
 
 # device support
 obj-y				+= dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
diff --git a/arch/arm/mach-s5p6442/dev-spi.c b/arch/arm/mach-s5p6442/dev-spi.c
new file mode 100644
index 00000000000..30199525dac
--- /dev/null
+++ b/arch/arm/mach-s5p6442/dev-spi.c
@@ -0,0 +1,123 @@
+/* linux/arch/arm/mach-s5p6442/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+
+static char *spi_src_clks[] = {
+	[S5P6442_SPI_SRCCLK_PCLK] = "pclk",
+	[S5P6442_SPI_SRCCLK_SCLK] = "spi_epll",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5p6442_spi_cfg_gpio(struct platform_device *pdev)
+{
+	switch (pdev->id) {
+	case 0:
+		s3c_gpio_cfgpin(S5P6442_GPB(0), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5P6442_GPB(2), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5P6442_GPB(3), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(S5P6442_GPB(0), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5P6442_GPB(2), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5P6442_GPB(3), S3C_GPIO_PULL_UP);
+		break;
+
+	default:
+		dev_err(&pdev->dev, "Invalid SPI Controller number!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct resource s5p6442_spi0_resource[] = {
+	[0] = {
+		.start = S5P6442_PA_SPI,
+		.end   = S5P6442_PA_SPI + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI0_TX,
+		.end   = DMACH_SPI0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI0_RX,
+		.end   = DMACH_SPI0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI0,
+		.end   = IRQ_SPI0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s5p6442_spi0_pdata = {
+	.cfg_gpio = s5p6442_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x1ff,
+	.rx_lvl_offset = 15,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5p6442_device_spi = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 0,
+	.num_resources	  = ARRAY_SIZE(s5p6442_spi0_resource),
+	.resource	  = s5p6442_spi0_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s5p6442_spi0_pdata,
+	},
+};
+
+void __init s5p6442_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+	struct s3c64xx_spi_info *pd;
+
+	/* Reject invalid configuration */
+	if (!num_cs || src_clk_nr < 0
+			|| src_clk_nr > S5P6442_SPI_SRCCLK_SCLK) {
+		printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+		return;
+	}
+
+	switch (cntrlr) {
+	case 0:
+		pd = &s5p6442_spi0_pdata;
+		break;
+	default:
+		printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+							__func__, cntrlr);
+		return;
+	}
+
+	pd->num_cs = num_cs;
+	pd->src_clk_nr = src_clk_nr;
+	pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
diff --git a/arch/arm/mach-s5p6442/include/mach/map.h b/arch/arm/mach-s5p6442/include/mach/map.h
index 7568dc0d6be..32ca424ef7f 100644
--- a/arch/arm/mach-s5p6442/include/mach/map.h
+++ b/arch/arm/mach-s5p6442/include/mach/map.h
@@ -54,6 +54,8 @@
 #define S5P6442_PA_SDRAM	(0x20000000)
 #define S5P_PA_SDRAM		S5P6442_PA_SDRAM
 
+#define S5P6442_PA_SPI		0xEC300000
+
 /* I2S */
 #define S5P6442_PA_I2S0		0xC0B00000
 #define S5P6442_PA_I2S1		0xF2200000
diff --git a/arch/arm/mach-s5p6442/include/mach/spi-clocks.h b/arch/arm/mach-s5p6442/include/mach/spi-clocks.h
new file mode 100644
index 00000000000..7fd88205a97
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/spi-clocks.h
@@ -0,0 +1,17 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S5P6442_PLAT_SPI_CLKS_H
+#define __S5P6442_PLAT_SPI_CLKS_H __FILE__
+
+#define S5P6442_SPI_SRCCLK_PCLK		0
+#define S5P6442_SPI_SRCCLK_SCLK		1
+
+#endif /* __S5P6442_PLAT_SPI_CLKS_H */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 350a71b0954..62660b1058d 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -82,6 +82,7 @@ extern struct platform_device s5p6442_device_pcm0;
 extern struct platform_device s5p6442_device_pcm1;
 extern struct platform_device s5p6442_device_iis0;
 extern struct platform_device s5p6442_device_iis1;
+extern struct platform_device s5p6442_device_spi;
 
 extern struct platform_device s5p6440_device_pcm;
 extern struct platform_device s5p6440_device_iis;
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index fdb40c38282..7759f57b240 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -65,5 +65,6 @@ struct s3c64xx_spi_info {
 extern void s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 extern void s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 extern void s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s5p6442_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 
 #endif /* __S3C64XX_PLAT_SPI_H */

From ef2f07d31c6b890e0cc3966d4a27fa1d49b740f5 Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Tue, 18 May 2010 16:43:40 +0900
Subject: [PATCH 2291/3638] ARM: S5P6440: Define SPI platform devices

Define SPI platform devices for the SoC.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5p6440/Makefile                |   1 +
 arch/arm/mach-s5p6440/dev-spi.c               | 176 ++++++++++++++++++
 arch/arm/mach-s5p6440/include/mach/map.h      |   3 +
 .../mach-s5p6440/include/mach/spi-clocks.h    |  17 ++
 arch/arm/plat-samsung/include/plat/devs.h     |   2 +
 .../plat-samsung/include/plat/s3c64xx-spi.h   |   1 +
 6 files changed, 200 insertions(+)
 create mode 100644 arch/arm/mach-s5p6440/dev-spi.c
 create mode 100644 arch/arm/mach-s5p6440/include/mach/spi-clocks.h

diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile
index 44facf43d59..be3c53aab23 100644
--- a/arch/arm/mach-s5p6440/Makefile
+++ b/arch/arm/mach-s5p6440/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_SMDK6440)	+= mach-smdk6440.o
 
 # device support
 obj-y				+= dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
diff --git a/arch/arm/mach-s5p6440/dev-spi.c b/arch/arm/mach-s5p6440/dev-spi.c
new file mode 100644
index 00000000000..0a30280019c
--- /dev/null
+++ b/arch/arm/mach-s5p6440/dev-spi.c
@@ -0,0 +1,176 @@
+/* linux/arch/arm/mach-s5p6440/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+
+static char *spi_src_clks[] = {
+	[S5P6440_SPI_SRCCLK_PCLK] = "pclk",
+	[S5P6440_SPI_SRCCLK_SCLK] = "spi_epll",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5p6440_spi_cfg_gpio(struct platform_device *pdev)
+{
+	switch (pdev->id) {
+	case 0:
+		s3c_gpio_cfgpin(S5P6440_GPC(0), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5P6440_GPC(1), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5P6440_GPC(2), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(S5P6440_GPC(0), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5P6440_GPC(1), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5P6440_GPC(2), S3C_GPIO_PULL_UP);
+		break;
+
+	case 1:
+		s3c_gpio_cfgpin(S5P6440_GPC(4), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5P6440_GPC(5), S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin(S5P6440_GPC(6), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(S5P6440_GPC(4), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5P6440_GPC(5), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S5P6440_GPC(6), S3C_GPIO_PULL_UP);
+		break;
+
+	default:
+		dev_err(&pdev->dev, "Invalid SPI Controller number!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct resource s5p6440_spi0_resource[] = {
+	[0] = {
+		.start = S5P6440_PA_SPI0,
+		.end   = S5P6440_PA_SPI0 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI0_TX,
+		.end   = DMACH_SPI0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI0_RX,
+		.end   = DMACH_SPI0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI0,
+		.end   = IRQ_SPI0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s5p6440_spi0_pdata = {
+	.cfg_gpio = s5p6440_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x1ff,
+	.rx_lvl_offset = 15,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5p6440_device_spi0 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 0,
+	.num_resources	  = ARRAY_SIZE(s5p6440_spi0_resource),
+	.resource	  = s5p6440_spi0_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s5p6440_spi0_pdata,
+	},
+};
+
+static struct resource s5p6440_spi1_resource[] = {
+	[0] = {
+		.start = S5P6440_PA_SPI1,
+		.end   = S5P6440_PA_SPI1 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI1_TX,
+		.end   = DMACH_SPI1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI1_RX,
+		.end   = DMACH_SPI1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI1,
+		.end   = IRQ_SPI1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s5p6440_spi1_pdata = {
+	.cfg_gpio = s5p6440_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x7f,
+	.rx_lvl_offset = 15,
+};
+
+struct platform_device s5p6440_device_spi1 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s5p6440_spi1_resource),
+	.resource	  = s5p6440_spi1_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s5p6440_spi1_pdata,
+	},
+};
+
+void __init s5p6440_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+	struct s3c64xx_spi_info *pd;
+
+	/* Reject invalid configuration */
+	if (!num_cs || src_clk_nr < 0
+			|| src_clk_nr > S5P6440_SPI_SRCCLK_SCLK) {
+		printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+		return;
+	}
+
+	switch (cntrlr) {
+	case 0:
+		pd = &s5p6440_spi0_pdata;
+		break;
+	case 1:
+		pd = &s5p6440_spi1_pdata;
+		break;
+	default:
+		printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+							__func__, cntrlr);
+		return;
+	}
+
+	pd->num_cs = num_cs;
+	pd->src_clk_nr = src_clk_nr;
+	pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h
index 72aedadd412..8246895d397 100644
--- a/arch/arm/mach-s5p6440/include/mach/map.h
+++ b/arch/arm/mach-s5p6440/include/mach/map.h
@@ -54,6 +54,9 @@
 
 #define S5P6440_PA_IIC0		(0xEC104000)
 
+#define S5P6440_PA_SPI0		0xEC400000
+#define S5P6440_PA_SPI1		0xEC500000
+
 #define S5P6440_PA_HSOTG	(0xED100000)
 
 #define S5P6440_PA_HSMMC0	(0xED800000)
diff --git a/arch/arm/mach-s5p6440/include/mach/spi-clocks.h b/arch/arm/mach-s5p6440/include/mach/spi-clocks.h
new file mode 100644
index 00000000000..5fbca50d1cf
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/spi-clocks.h
@@ -0,0 +1,17 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S5P6440_PLAT_SPI_CLKS_H
+#define __S5P6440_PLAT_SPI_CLKS_H __FILE__
+
+#define S5P6440_SPI_SRCCLK_PCLK		0
+#define S5P6440_SPI_SRCCLK_SCLK		1
+
+#endif /* __S5P6440_PLAT_SPI_CLKS_H */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 62660b1058d..cd74a0700fc 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -62,6 +62,8 @@ extern struct platform_device s5pc100_device_spi1;
 extern struct platform_device s5pc100_device_spi2;
 extern struct platform_device s5pv210_device_spi0;
 extern struct platform_device s5pv210_device_spi1;
+extern struct platform_device s5p6440_device_spi0;
+extern struct platform_device s5p6440_device_spi1;
 
 extern struct platform_device s3c_device_hwmon;
 
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index 7759f57b240..e5aba8f95b7 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -65,6 +65,7 @@ struct s3c64xx_spi_info {
 extern void s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 extern void s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 extern void s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s5p6440_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 extern void s5p6442_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
 
 #endif /* __S3C64XX_PLAT_SPI_H */

From a2f7bffa29f18266bc7b55a2b47a5fa1274ed53f Mon Sep 17 00:00:00 2001
From: Maurus Cuelenaere <mcuelenaere@gmail.com>
Date: Thu, 20 May 2010 11:35:50 +0200
Subject: [PATCH 2292/3638] ARM: S3C6410: Add basic support for SmartQ machines

This adds new machine definitions for the SmartQ 5 and 7.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s3c64xx/Kconfig        |  31 +++
 arch/arm/mach-s3c64xx/Makefile       |   3 +
 arch/arm/mach-s3c64xx/mach-smartq.c  | 363 +++++++++++++++++++++++++++
 arch/arm/mach-s3c64xx/mach-smartq.h  |  20 ++
 arch/arm/mach-s3c64xx/mach-smartq5.c | 185 ++++++++++++++
 arch/arm/mach-s3c64xx/mach-smartq7.c | 201 +++++++++++++++
 6 files changed, 803 insertions(+)
 create mode 100644 arch/arm/mach-s3c64xx/mach-smartq.c
 create mode 100644 arch/arm/mach-s3c64xx/mach-smartq.h
 create mode 100644 arch/arm/mach-s3c64xx/mach-smartq5.c
 create mode 100644 arch/arm/mach-s3c64xx/mach-smartq7.c

diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 1f2f412b020..11d2353bc50 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -180,3 +180,34 @@ config MACH_HMT
 	select HAVE_PWM
 	help
 	  Machine support for the Airgoo HMT
+
+config MACH_SMARTQ
+	bool
+	select CPU_S3C6410
+	select S3C_DEV_HSMMC
+	select S3C_DEV_HSMMC1
+	select S3C_DEV_HSMMC2
+	select S3C_DEV_FB
+	select S3C_DEV_HWMON
+	select S3C_DEV_RTC
+	select S3C_DEV_USB_HSOTG
+	select S3C_DEV_USB_HOST
+	select S3C64XX_SETUP_SDHCI
+	select S3C64XX_SETUP_FB_24BPP
+	select SAMSUNG_DEV_ADC
+	select SAMSUNG_DEV_TS
+	select HAVE_PWM
+	help
+	    Shared machine support for SmartQ 5/7
+
+config MACH_SMARTQ5
+	bool "SmartQ 5"
+	select MACH_SMARTQ
+	help
+	    Machine support for the SmartQ 5
+
+config MACH_SMARTQ7
+	bool "SmartQ 7"
+	select MACH_SMARTQ
+	help
+	    Machine support for the SmartQ 7
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index a10f1fc6b02..39ef55e2655 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -52,6 +52,9 @@ obj-$(CONFIG_MACH_SMDK6400)	+= mach-smdk6400.o
 obj-$(CONFIG_MACH_SMDK6410)	+= mach-smdk6410.o
 obj-$(CONFIG_MACH_NCP)		+= mach-ncp.o
 obj-$(CONFIG_MACH_HMT)		+= mach-hmt.o
+obj-$(CONFIG_MACH_SMARTQ)	+= mach-smartq.o
+obj-$(CONFIG_MACH_SMARTQ5)	+= mach-smartq5.o
+obj-$(CONFIG_MACH_SMARTQ7)	+= mach-smartq7.o
 
 # device support
 
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
new file mode 100644
index 00000000000..028d080dcd3
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/mach-smartq.c
@@ -0,0 +1,363 @@
+/*
+ * linux/arch/arm/mach-s3c64xx/mach-smartq.c
+ *
+ * Copyright (C) 2010 Maurus Cuelenaere
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pwm_backlight.h>
+#include <linux/serial_core.h>
+#include <linux/usb/gpio_vbus.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <mach/map.h>
+#include <mach/regs-gpio.h>
+#include <mach/regs-modem.h>
+
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+#include <plat/hwmon.h>
+#include <plat/regs-serial.h>
+#include <plat/udc-hs.h>
+#include <plat/usb-control.h>
+#include <plat/sdhci.h>
+#include <plat/ts.h>
+
+#include <video/platform_lcd.h>
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
+
+static struct s3c2410_uartcfg smartq_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[2] = {
+		.hwport	     = 2,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+};
+
+static void smartq_usb_host_powercontrol(int port, int to)
+{
+	pr_debug("%s(%d, %d)\n", __func__, port, to);
+
+	if (port == 0) {
+		gpio_set_value(S3C64XX_GPL(0), to);
+		gpio_set_value(S3C64XX_GPL(1), to);
+	}
+}
+
+static irqreturn_t smartq_usb_host_ocirq(int irq, void *pw)
+{
+	struct s3c2410_hcd_info *info = pw;
+
+	if (gpio_get_value(S3C64XX_GPL(10)) == 0) {
+		pr_debug("%s: over-current irq (oc detected)\n", __func__);
+		s3c2410_usb_report_oc(info, 3);
+	} else {
+		pr_debug("%s: over-current irq (oc cleared)\n", __func__);
+		s3c2410_usb_report_oc(info, 0);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static void smartq_usb_host_enableoc(struct s3c2410_hcd_info *info, int on)
+{
+	int ret;
+
+	/* This isn't present on a SmartQ 5 board */
+	if (machine_is_smartq5())
+		return;
+
+	if (on) {
+		ret = request_irq(gpio_to_irq(S3C64XX_GPL(10)),
+				  smartq_usb_host_ocirq, IRQF_DISABLED |
+				  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+				  "USB host overcurrent", info);
+		if (ret != 0)
+			pr_err("failed to request usb oc irq: %d\n", ret);
+	} else {
+		free_irq(gpio_to_irq(S3C64XX_GPL(10)), info);
+	}
+}
+
+static struct s3c2410_hcd_info smartq_usb_host_info = {
+	.port[0]	= {
+		.flags	= S3C_HCDFLG_USED
+	},
+	.port[1]	= {
+		.flags	= 0
+	},
+
+	.power_control	= smartq_usb_host_powercontrol,
+	.enable_oc	= smartq_usb_host_enableoc,
+};
+
+static struct gpio_vbus_mach_info smartq_usb_otg_vbus_pdata = {
+	.gpio_vbus		= S3C64XX_GPL(9),
+	.gpio_pullup		= -1,
+	.gpio_vbus_inverted	= true,
+};
+
+static struct platform_device smartq_usb_otg_vbus_dev = {
+	.name			= "gpio-vbus",
+	.dev.platform_data	= &smartq_usb_otg_vbus_pdata,
+};
+
+static int __init smartq_bl_init(struct device *dev)
+{
+    s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
+
+    return 0;
+}
+
+static struct platform_pwm_backlight_data smartq_backlight_data = {
+	.pwm_id		= 1,
+	.max_brightness	= 1000,
+	.dft_brightness	= 600,
+	.pwm_period_ns	= 1000000000 / (1000 * 20),
+	.init		= smartq_bl_init,
+};
+
+static struct platform_device smartq_backlight_device = {
+	.name		= "pwm-backlight",
+	.dev		= {
+		.parent	= &s3c_device_timer[1].dev,
+		.platform_data = &smartq_backlight_data,
+	},
+};
+
+static struct s3c2410_ts_mach_info smartq_touchscreen_pdata __initdata = {
+	.delay			= 65535,
+	.presc			= 99,
+	.oversampling_shift	= 4,
+};
+
+static struct s3c_sdhci_platdata smartq_internal_hsmmc_pdata = {
+	.max_width		= 4,
+	/*.broken_card_detection	= true,*/
+};
+
+static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = {
+	/* Battery voltage (?-4.2V) */
+	.in[0] = &(struct s3c_hwmon_chcfg) {
+		.name		= "smartq:battery-voltage",
+		.mult		= 3300,
+		.div		= 2048,
+	},
+	/* Reference voltage (1.2V) */
+	.in[1] = &(struct s3c_hwmon_chcfg) {
+		.name		= "smartq:reference-voltage",
+		.mult		= 3300,
+		.div		= 4096,
+	},
+};
+
+static void smartq_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
+{
+	gpio_direction_output(S3C64XX_GPM(3), power);
+}
+
+static struct plat_lcd_data smartq_lcd_power_data = {
+	.set_power	= smartq_lcd_power_set,
+};
+
+static struct platform_device smartq_lcd_power_device = {
+	.name			= "platform-lcd",
+	.dev.parent		= &s3c_device_fb.dev,
+	.dev.platform_data	= &smartq_lcd_power_data,
+};
+
+
+static struct platform_device *smartq_devices[] __initdata = {
+	&s3c_device_hsmmc1,	/* Init iNAND first, ... */
+	&s3c_device_hsmmc0,	/* ... then the external SD card */
+	&s3c_device_hsmmc2,
+	&s3c_device_adc,
+	&s3c_device_fb,
+	&s3c_device_hwmon,
+	&s3c_device_i2c0,
+	&s3c_device_ohci,
+	&s3c_device_rtc,
+	&s3c_device_timer[1],
+	&s3c_device_ts,
+	&s3c_device_usb_hsotg,
+	&smartq_backlight_device,
+	&smartq_lcd_power_device,
+	&smartq_usb_otg_vbus_dev,
+};
+
+static void __init smartq_lcd_mode_set(void)
+{
+	u32 tmp;
+
+	/* set the LCD type */
+	tmp = __raw_readl(S3C64XX_SPCON);
+	tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
+	tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
+	__raw_writel(tmp, S3C64XX_SPCON);
+
+	/* remove the LCD bypass */
+	tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
+	tmp &= ~MIFPCON_LCD_BYPASS;
+	__raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
+}
+
+static void smartq_power_off(void)
+{
+	gpio_direction_output(S3C64XX_GPK(15), 1);
+}
+
+static int __init smartq_power_off_init(void)
+{
+	int ret;
+
+	ret = gpio_request(S3C64XX_GPK(15), "Power control");
+	if (ret < 0) {
+		pr_err("%s: failed to get GPK15\n", __func__);
+		return ret;
+	}
+
+	/* leave power on */
+	gpio_direction_output(S3C64XX_GPK(15), 0);
+
+
+	pm_power_off = smartq_power_off;
+
+	return ret;
+}
+
+static int __init smartq_usb_host_init(void)
+{
+	int ret;
+
+	ret = gpio_request(S3C64XX_GPL(0), "USB power control");
+	if (ret < 0) {
+		pr_err("%s: failed to get GPL0\n", __func__);
+		return ret;
+	}
+
+	ret = gpio_request(S3C64XX_GPL(1), "USB host power control");
+	if (ret < 0) {
+		pr_err("%s: failed to get GPL1\n", __func__);
+		goto err;
+	}
+
+	if (!machine_is_smartq5()) {
+		/* This isn't present on a SmartQ 5 board */
+		ret = gpio_request(S3C64XX_GPL(10), "USB host overcurrent");
+		if (ret < 0) {
+			pr_err("%s: failed to get GPL10\n", __func__);
+			goto err2;
+		}
+	}
+
+	/* turn power off */
+	gpio_direction_output(S3C64XX_GPL(0), 0);
+	gpio_direction_output(S3C64XX_GPL(1), 0);
+	if (!machine_is_smartq5())
+		gpio_direction_input(S3C64XX_GPL(10));
+
+	s3c_device_ohci.dev.platform_data = &smartq_usb_host_info;
+
+	return 0;
+
+err2:
+	gpio_free(S3C64XX_GPL(1));
+err:
+	gpio_free(S3C64XX_GPL(0));
+	return ret;
+}
+
+static int __init smartq_usb_otg_init(void)
+{
+	clk_xusbxti.rate = 12000000;
+
+	return 0;
+}
+
+static int __init smartq_wifi_init(void)
+{
+	int ret;
+
+	ret = gpio_request(S3C64XX_GPK(1), "wifi control");
+	if (ret < 0) {
+		pr_err("%s: failed to get GPK1\n", __func__);
+		return ret;
+	}
+
+	ret = gpio_request(S3C64XX_GPK(2), "wifi reset");
+	if (ret < 0) {
+		pr_err("%s: failed to get GPK2\n", __func__);
+		gpio_free(S3C64XX_GPK(1));
+		return ret;
+	}
+
+	/* turn power on */
+	gpio_direction_output(S3C64XX_GPK(1), 1);
+
+	/* reset device */
+	gpio_direction_output(S3C64XX_GPK(2), 0);
+	mdelay(100);
+	gpio_set_value(S3C64XX_GPK(2), 1);
+	gpio_direction_input(S3C64XX_GPK(2));
+
+	return 0;
+}
+
+static struct map_desc smartq_iodesc[] __initdata = {};
+void __init smartq_map_io(void)
+{
+	s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc));
+	s3c24xx_init_clocks(12000000);
+	s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs));
+
+	smartq_lcd_mode_set();
+}
+
+void __init smartq_machine_init(void)
+{
+	s3c_i2c0_set_platdata(NULL);
+	s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
+	s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
+	s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
+	s3c24xx_ts_set_platdata(&smartq_touchscreen_pdata);
+
+	WARN_ON(smartq_power_off_init());
+	WARN_ON(smartq_usb_host_init());
+	WARN_ON(smartq_usb_otg_init());
+	WARN_ON(smartq_wifi_init());
+
+	platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices));
+}
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.h b/arch/arm/mach-s3c64xx/mach-smartq.h
new file mode 100644
index 00000000000..8e8b693db3a
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/mach-smartq.h
@@ -0,0 +1,20 @@
+/*
+ * linux/arch/arm/mach-s3c64xx/mach-smartq.h
+ *
+ * Copyright (C) 2010 Maurus Cuelenaere
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __MACH_SMARTQ_H
+#define __MACH_SMARTQ_H __FILE__
+
+#include <linux/init.h>
+
+extern void __init smartq_map_io(void);
+extern void __init smartq_machine_init(void);
+
+#endif /* __MACH_SMARTQ_H */
diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
new file mode 100644
index 00000000000..1d0326ead90
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
@@ -0,0 +1,185 @@
+/*
+ * linux/arch/arm/mach-s3c64xx/mach-smartq5.c
+ *
+ * Copyright (C) 2010 Maurus Cuelenaere
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/fb.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/i2c-gpio.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/map.h>
+#include <mach/regs-fb.h>
+#include <mach/regs-gpio.h>
+#include <mach/s3c6410.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
+
+#include "mach-smartq.h"
+
+static void __init smartq5_lcd_setup_gpio(void)
+{
+	gpio_request(S3C64XX_GPM(0), "LCD SCEN pin");
+	gpio_request(S3C64XX_GPM(1), "LCD SCL pin");
+	gpio_request(S3C64XX_GPM(2), "LCD SDA pin");
+	gpio_request(S3C64XX_GPM(3), "LCD power");
+
+	/* turn power off */
+	gpio_direction_output(S3C64XX_GPM(0), 1);
+	gpio_direction_input(S3C64XX_GPM(1));
+	gpio_direction_input(S3C64XX_GPM(2));
+	gpio_direction_output(S3C64XX_GPM(3), 0);
+}
+
+static struct i2c_gpio_platform_data smartq5_lcd_control = {
+	.sda_pin		= S3C64XX_GPM(2),
+	.scl_pin		= S3C64XX_GPM(1),
+};
+
+static struct platform_device smartq5_lcd_control_device = {
+	.name			= "i2c-gpio",
+	.id			= 1,
+	.dev.platform_data	= &smartq5_lcd_control,
+};
+
+static struct gpio_led smartq5_leds[] __initdata = {
+	{
+		.name			= "smartq5:green",
+		.active_low		= 1,
+		.gpio			= S3C64XX_GPN(8),
+	},
+	{
+		.name			= "smartq5:red",
+		.active_low		= 1,
+		.gpio			= S3C64XX_GPN(9),
+	},
+};
+
+static struct gpio_led_platform_data smartq5_led_data = {
+	.num_leds = ARRAY_SIZE(smartq5_leds),
+	.leds = smartq5_leds,
+};
+
+static struct platform_device smartq5_leds_device = {
+	.name			= "leds-gpio",
+	.id			= -1,
+	.dev.platform_data	= &smartq5_led_data,
+};
+
+/* Labels according to the SmartQ manual */
+static struct gpio_keys_button smartq5_buttons[] = {
+	{
+		.gpio			= S3C64XX_GPL(14),
+		.code			= KEY_POWER,
+		.desc			= "Power",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+	{
+		.gpio			= S3C64XX_GPN(2),
+		.code			= KEY_KPMINUS,
+		.desc			= "Minus",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+	{
+		.gpio			= S3C64XX_GPN(12),
+		.code			= KEY_KPPLUS,
+		.desc			= "Plus",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+	{
+		.gpio			= S3C64XX_GPN(15),
+		.code			= KEY_ENTER,
+		.desc			= "Move",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+};
+
+static struct gpio_keys_platform_data smartq5_buttons_data  = {
+	.buttons	= smartq5_buttons,
+	.nbuttons	= ARRAY_SIZE(smartq5_buttons),
+};
+
+static struct platform_device smartq5_buttons_device  = {
+	.name		= "gpio-keys",
+	.id		= 0,
+	.num_resources	= 0,
+	.dev		= {
+		.platform_data	= &smartq5_buttons_data,
+	}
+};
+
+static struct s3c_fb_pd_win smartq5_fb_win0 = {
+	.win_mode	= {
+		.pixclock	= 1000000000000ULL /
+				((40+1+216+800)*(10+1+35+480)*80),
+		.left_margin	= 40,
+		.right_margin	= 216,
+		.upper_margin	= 10,
+		.lower_margin	= 35,
+		.hsync_len	= 1,
+		.vsync_len	= 1,
+		.xres		= 800,
+		.yres		= 480,
+	},
+	.max_bpp	= 32,
+	.default_bpp	= 16,
+};
+
+static struct s3c_fb_platdata smartq5_lcd_pdata __initdata = {
+	.setup_gpio	= s3c64xx_fb_gpio_setup_24bpp,
+	.win[0]		= &smartq5_fb_win0,
+	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
+	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
+			  VIDCON1_INV_VDEN,
+};
+
+static struct platform_device *smartq5_devices[] __initdata = {
+	&smartq5_leds_device,
+	&smartq5_buttons_device,
+	&smartq5_lcd_control_device,
+};
+
+static void __init smartq5_machine_init(void)
+{
+	s3c_fb_set_platdata(&smartq5_lcd_pdata);
+
+	smartq_machine_init();
+	smartq5_lcd_setup_gpio();
+
+	platform_add_devices(smartq5_devices, ARRAY_SIZE(smartq5_devices));
+}
+
+MACHINE_START(SMARTQ5, "SmartQ 5")
+	/* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.init_irq	= s3c6410_init_irq,
+	.map_io		= smartq_map_io,
+	.init_machine	= smartq5_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
new file mode 100644
index 00000000000..e0bc78ecb15
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
@@ -0,0 +1,201 @@
+/*
+ * linux/arch/arm/mach-s3c64xx/mach-smartq7.c
+ *
+ * Copyright (C) 2010 Maurus Cuelenaere
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/fb.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/i2c-gpio.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/map.h>
+#include <mach/regs-fb.h>
+#include <mach/regs-gpio.h>
+#include <mach/s3c6410.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
+
+#include "mach-smartq.h"
+
+static void __init smartq7_lcd_setup_gpio(void)
+{
+	gpio_request(S3C64XX_GPM(0), "LCD CSB pin");
+	gpio_request(S3C64XX_GPM(3), "LCD power");
+	gpio_request(S3C64XX_GPM(4), "LCD power status");
+
+	/* turn power off */
+	gpio_direction_output(S3C64XX_GPM(0), 1);
+	gpio_direction_output(S3C64XX_GPM(3), 0);
+	gpio_direction_input(S3C64XX_GPM(4));
+}
+
+static struct i2c_gpio_platform_data smartq7_lcd_control = {
+	.sda_pin		= S3C64XX_GPM(2),
+	.scl_pin		= S3C64XX_GPM(1),
+	.sda_is_open_drain	= 1,
+	.scl_is_open_drain	= 1,
+};
+
+static struct platform_device smartq7_lcd_control_device = {
+	.name			= "i2c-gpio",
+	.id			= 1,
+	.dev.platform_data	= &smartq7_lcd_control,
+};
+
+static struct gpio_led smartq7_leds[] __initdata = {
+	{
+		.name			= "smartq7:red",
+		.active_low		= 1,
+		.gpio			= S3C64XX_GPN(8),
+	},
+	{
+		.name			= "smartq7:green",
+		.active_low		= 1,
+		.gpio			= S3C64XX_GPN(9),
+	},
+};
+
+static struct gpio_led_platform_data smartq7_led_data = {
+	.num_leds = ARRAY_SIZE(smartq7_leds),
+	.leds = smartq7_leds,
+};
+
+static struct platform_device smartq7_leds_device = {
+	.name			= "leds-gpio",
+	.id			= -1,
+	.dev.platform_data	= &smartq7_led_data,
+};
+
+/* Labels according to the SmartQ manual */
+static struct gpio_keys_button smartq7_buttons[] = {
+	{
+		.gpio			= S3C64XX_GPL(14),
+		.code			= KEY_POWER,
+		.desc			= "Power",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+	{
+		.gpio			= S3C64XX_GPN(2),
+		.code			= KEY_FN,
+		.desc			= "Function",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+	{
+		.gpio			= S3C64XX_GPN(3),
+		.code			= KEY_KPMINUS,
+		.desc			= "Minus",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+	{
+		.gpio			= S3C64XX_GPN(4),
+		.code			= KEY_KPPLUS,
+		.desc			= "Plus",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+	{
+		.gpio			= S3C64XX_GPN(12),
+		.code			= KEY_ENTER,
+		.desc			= "Enter",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+	{
+		.gpio			= S3C64XX_GPN(15),
+		.code			= KEY_ESC,
+		.desc			= "Cancel",
+		.active_low		= 1,
+		.debounce_interval	= 5,
+		.type                   = EV_KEY,
+	},
+};
+
+static struct gpio_keys_platform_data smartq7_buttons_data  = {
+	.buttons	= smartq7_buttons,
+	.nbuttons	= ARRAY_SIZE(smartq7_buttons),
+};
+
+static struct platform_device smartq7_buttons_device  = {
+	.name		= "gpio-keys",
+	.id		= 0,
+	.num_resources	= 0,
+	.dev		= {
+		.platform_data	= &smartq7_buttons_data,
+	}
+};
+
+static struct s3c_fb_pd_win smartq7_fb_win0 = {
+	.win_mode	= {
+		.pixclock	= 1000000000000ULL /
+				((3+10+5+800)*(1+3+20+480)*80),
+		.left_margin	= 3,
+		.right_margin	= 5,
+		.upper_margin	= 1,
+		.lower_margin	= 20,
+		.hsync_len	= 10,
+		.vsync_len	= 3,
+		.xres		= 800,
+		.yres		= 480,
+	},
+	.max_bpp	= 32,
+	.default_bpp	= 16,
+};
+
+static struct s3c_fb_platdata smartq7_lcd_pdata __initdata = {
+	.setup_gpio	= s3c64xx_fb_gpio_setup_24bpp,
+	.win[0]		= &smartq7_fb_win0,
+	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
+	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
+			  VIDCON1_INV_VCLK,
+};
+
+static struct platform_device *smartq7_devices[] __initdata = {
+	&smartq7_leds_device,
+	&smartq7_buttons_device,
+	&smartq7_lcd_control_device,
+};
+
+static void __init smartq7_machine_init(void)
+{
+	s3c_fb_set_platdata(&smartq7_lcd_pdata);
+
+	smartq_machine_init();
+	smartq7_lcd_setup_gpio();
+
+	platform_add_devices(smartq7_devices, ARRAY_SIZE(smartq7_devices));
+}
+
+MACHINE_START(SMARTQ7, "SmartQ 7")
+	/* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.init_irq	= s3c6410_init_irq,
+	.map_io		= smartq_map_io,
+	.init_machine	= smartq7_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END

From e1d5c93e82eadd814949c023d0b16aa8fa8ad7ae Mon Sep 17 00:00:00 2001
From: Banajit Goswami <banajit.g@samsung.com>
Date: Wed, 19 May 2010 15:42:29 +0900
Subject: [PATCH 2293/3638] ARM: SAMSUNG: Move WDT device definitions in
 plat-samsung

This patch moves the definitions of watchdog timer device from
plat-s3c24xx to plat-samsung. This will enable all Samsung S3C
and S5P series SoC's to use common WDT device definition.

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s3c2410/include/mach/map.h |  1 +
 arch/arm/plat-s3c24xx/devs.c             | 26 ---------------
 arch/arm/plat-samsung/Kconfig            |  6 ++++
 arch/arm/plat-samsung/Makefile           |  1 +
 arch/arm/plat-samsung/dev-wdt.c          | 40 ++++++++++++++++++++++++
 5 files changed, 48 insertions(+), 26 deletions(-)
 create mode 100644 arch/arm/plat-samsung/dev-wdt.c

diff --git a/arch/arm/mach-s3c2410/include/mach/map.h b/arch/arm/mach-s3c2410/include/mach/map.h
index 091c98a639d..cd3983ad416 100644
--- a/arch/arm/mach-s3c2410/include/mach/map.h
+++ b/arch/arm/mach-s3c2410/include/mach/map.h
@@ -114,6 +114,7 @@
 #define S3C_PA_USBHOST	S3C2410_PA_USBHOST
 #define S3C_PA_HSMMC0	    S3C2443_PA_HSMMC
 #define S3C_PA_HSMMC1	    S3C2416_PA_HSMMC0
+#define S3C_PA_WDT	    S3C2410_PA_WATCHDOG
 #define S3C_PA_NAND	    S3C24XX_PA_NAND
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index 58583732b29..452e18438b4 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -234,32 +234,6 @@ void __init s3c24xx_udc_set_platdata(struct s3c2410_udc_mach_info *pd)
 	}
 }
 
-
-/* Watchdog */
-
-static struct resource s3c_wdt_resource[] = {
-	[0] = {
-		.start = S3C24XX_PA_WATCHDOG,
-		.end   = S3C24XX_PA_WATCHDOG + S3C24XX_SZ_WATCHDOG - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = IRQ_WDT,
-		.end   = IRQ_WDT,
-		.flags = IORESOURCE_IRQ,
-	}
-
-};
-
-struct platform_device s3c_device_wdt = {
-	.name		  = "s3c2410-wdt",
-	.id		  = -1,
-	.num_resources	  = ARRAY_SIZE(s3c_wdt_resource),
-	.resource	  = s3c_wdt_resource,
-};
-
-EXPORT_SYMBOL(s3c_device_wdt);
-
 /* IIS */
 
 static struct resource s3c_iis_resource[] = {
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 229919e9744..48ac9b1f0e0 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -185,6 +185,12 @@ config S3C_DEV_USB_HSOTG
 	help
 	  Compile in platform device definition for USB high-speed OtG
 
+config S3C_DEV_WDT
+	bool
+	default y if ARCH_S3C2410
+	help
+	  Complie in platform device definition for Watchdog Timer
+
 config S3C_DEV_NAND
 	bool
 	help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 48288499a3b..ee0199b03f1 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_S3C_DEV_FB)	+= dev-fb.o
 obj-y				+= dev-uart.o
 obj-$(CONFIG_S3C_DEV_USB_HOST)	+= dev-usb.o
 obj-$(CONFIG_S3C_DEV_USB_HSOTG)	+= dev-usb-hsotg.o
+obj-$(CONFIG_S3C_DEV_WDT)	+= dev-wdt.o
 obj-$(CONFIG_S3C_DEV_NAND)	+= dev-nand.o
 obj-$(CONFIG_S3C_DEV_RTC)	+= dev-rtc.o
 
diff --git a/arch/arm/plat-samsung/dev-wdt.c b/arch/arm/plat-samsung/dev-wdt.c
new file mode 100644
index 00000000000..5efca87cddb
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-wdt.c
@@ -0,0 +1,40 @@
+/* linux/arch/arm/plat-samsung/dev-wdt.c
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C series device definition for the watchdog timer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+static struct resource s3c_wdt_resource[] = {
+	[0] = {
+		.start	= S3C_PA_WDT,
+		.end	= S3C_PA_WDT + SZ_1M - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_WDT,
+		.end	= IRQ_WDT,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+struct platform_device s3c_device_wdt = {
+	.name		= "s3c2410-wdt",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(s3c_wdt_resource),
+	.resource	= s3c_wdt_resource,
+};
+EXPORT_SYMBOL(s3c_device_wdt);

From b351c4a178f538d42b907b90bc6a60bb221fbaae Mon Sep 17 00:00:00 2001
From: Banajit Goswami <banajit.g@samsung.com>
Date: Thu, 20 May 2010 16:21:30 +0900
Subject: [PATCH 2294/3638] ARM: SMDK6410: Add Watchdog support for SMDK6410

This patch adds support for Watchdog timer for Samsung S3C6410

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s3c64xx/Kconfig            | 2 ++
 arch/arm/mach-s3c64xx/include/mach/map.h | 1 +
 arch/arm/mach-s3c64xx/mach-smdk6410.c    | 1 +
 3 files changed, 4 insertions(+)

diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 69e9fbfea91..d0c5743e32e 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -92,6 +92,8 @@ config MACH_SMDK6410
 	select S3C_DEV_FB
 	select S3C_DEV_USB_HOST
 	select S3C_DEV_USB_HSOTG
+	select S3C_DEV_WDT
+	select HAVE_S3C2410_WATCHDOG
 	select S3C64XX_SETUP_SDHCI
 	select S3C64XX_SETUP_I2C1
 	select S3C64XX_SETUP_FB_24BPP
diff --git a/arch/arm/mach-s3c64xx/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h
index 9fdd50c8c76..c3e48cdfb99 100644
--- a/arch/arm/mach-s3c64xx/include/mach/map.h
+++ b/arch/arm/mach-s3c64xx/include/mach/map.h
@@ -104,6 +104,7 @@
 #define S3C_PA_USB_HSOTG	S3C64XX_PA_USB_HSOTG
 #define S3C_VA_USB_HSPHY	S3C64XX_VA_USB_HSPHY
 #define S3C_PA_RTC		S3C64XX_PA_RTC
+#define S3C_PA_WDT		S3C64XX_PA_WATCHDOG
 
 #define SAMSUNG_PA_ADC		S3C64XX_PA_ADC
 
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 9d51455feb3..c299455e5f5 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -262,6 +262,7 @@ static struct platform_device *smdk6410_devices[] __initdata = {
 	&smdk6410_lcd_powerdev,
 
 	&smdk6410_smsc911x,
+	&s3c_device_wdt,
 };
 
 #ifdef CONFIG_REGULATOR

From a0cce45581d1857b057f674ff118197392031559 Mon Sep 17 00:00:00 2001
From: Banajit Goswami <banajit.g@samsung.com>
Date: Thu, 20 May 2010 16:21:31 +0900
Subject: [PATCH 2295/3638] ARM: S5P6440: Add Watchdog support for S5P6440

This patch adds support for Watchdog timer for Samsung S5P6440.

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5p6440/Kconfig            | 2 ++
 arch/arm/mach-s5p6440/include/mach/map.h | 1 +
 arch/arm/mach-s5p6440/mach-smdk6440.c    | 1 +
 3 files changed, 4 insertions(+)

diff --git a/arch/arm/mach-s5p6440/Kconfig b/arch/arm/mach-s5p6440/Kconfig
index 77aeffd1733..d34eda12709 100644
--- a/arch/arm/mach-s5p6440/Kconfig
+++ b/arch/arm/mach-s5p6440/Kconfig
@@ -16,6 +16,8 @@ config CPU_S5P6440
 config MACH_SMDK6440
 	bool "SMDK6440"
 	select CPU_S5P6440
+	select S3C_DEV_WDT
+	select HAVE_S3C2410_WATCHDOG
 	help
 	  Machine support for the Samsung SMDK6440
 
diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h
index 72aedadd412..049f1b93ce2 100644
--- a/arch/arm/mach-s5p6440/include/mach/map.h
+++ b/arch/arm/mach-s5p6440/include/mach/map.h
@@ -72,5 +72,6 @@
 /* compatibiltiy defines. */
 #define S3C_PA_UART		S5P6440_PA_UART
 #define S3C_PA_IIC		S5P6440_PA_IIC0
+#define S3C_PA_WDT		S5P6440_PA_WDT
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5p6440/mach-smdk6440.c b/arch/arm/mach-s5p6440/mach-smdk6440.c
index d7fede971ca..af6abc6b749 100644
--- a/arch/arm/mach-s5p6440/mach-smdk6440.c
+++ b/arch/arm/mach-s5p6440/mach-smdk6440.c
@@ -85,6 +85,7 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
 
 static struct platform_device *smdk6440_devices[] __initdata = {
 	&s5p6440_device_iis,
+	&s3c_device_wdt,
 };
 
 static void __init smdk6440_map_io(void)

From 5b7d7b22dc8469fbe1ca10b2adeabb70639bde01 Mon Sep 17 00:00:00 2001
From: Banajit Goswami <banajit.g@samsung.com>
Date: Thu, 20 May 2010 16:21:32 +0900
Subject: [PATCH 2296/3638] ARM: S5PV210: Add Watchdog support for S5PV210

This patch adds support for Watchdog timer for Samsung S5PV210.

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/Kconfig            | 4 ++++
 arch/arm/mach-s5pv210/include/mach/map.h | 3 +++
 arch/arm/mach-s5pv210/mach-smdkc110.c    | 1 +
 arch/arm/mach-s5pv210/mach-smdkv210.c    | 1 +
 4 files changed, 9 insertions(+)

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 7601c28e240..231c4851315 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -25,6 +25,8 @@ config MACH_SMDKV210
 	bool "SMDKV210"
 	select CPU_S5PV210
 	select ARCH_SPARSEMEM_ENABLE
+	select S3C_DEV_WDT
+	select HAVE_S3C2410_WATCHDOG
 	help
 	  Machine support for Samsung SMDKV210
 
@@ -32,6 +34,8 @@ config MACH_SMDKC110
 	bool "SMDKC110"
 	select CPU_S5PV210
 	select ARCH_SPARSEMEM_ENABLE
+	select S3C_DEV_WDT
+	select HAVE_S3C2410_WATCHDOG
 	help
 	  Machine support for Samsung SMDKC110
 	  S5PC110(MCP) is one of package option of S5PV210
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 5adcb9f26e4..1131553c6e7 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -32,6 +32,8 @@
 
 #define S5PV210_PA_SYSTIMER	(0xE2600000)
 
+#define S5PV210_PA_WATCHDOG	(0xE2700000)
+
 #define S5PV210_PA_UART		(0xE2900000)
 
 #define S5P_PA_UART0		(S5PV210_PA_UART + 0x0)
@@ -78,5 +80,6 @@
 /* compatibiltiy defines. */
 #define S3C_PA_UART		S5PV210_PA_UART
 #define S3C_PA_IIC		S5PV210_PA_IIC0
+#define S3C_PA_WDT		S5PV210_PA_WATCHDOG
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/mach-smdkc110.c b/arch/arm/mach-s5pv210/mach-smdkc110.c
index 6f9fd3274e2..4c8903c6d10 100644
--- a/arch/arm/mach-s5pv210/mach-smdkc110.c
+++ b/arch/arm/mach-s5pv210/mach-smdkc110.c
@@ -74,6 +74,7 @@ static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
 static struct platform_device *smdkc110_devices[] __initdata = {
 	&s5pv210_device_iis0,
 	&s5pv210_device_ac97,
+	&s3c_device_wdt,
 };
 
 static void __init smdkc110_map_io(void)
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index 3c29e18528a..d65ab2a9492 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -74,6 +74,7 @@ static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
 static struct platform_device *smdkv210_devices[] __initdata = {
 	&s5pv210_device_iis0,
 	&s5pv210_device_ac97,
+	&s3c_device_wdt,
 };
 
 static void __init smdkv210_map_io(void)

From 925c68cdca7412cb0ce9d63dab3cbfc9b47b3c8d Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 20 May 2010 20:48:28 +0900
Subject: [PATCH 2297/3638] ARM: SAMSUNG: Fixup convert arm to
 arch_gettimeoffset()

Fixup commit 5cfc8ee0bb5134e1204e1ec5843e164f24315021 which
introduced ARCH_USES_GETTIMEOFFSET but missed out several
S5P architectures.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1cb098f6950..550c038451a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -688,6 +688,7 @@ config ARCH_S5P6440
 	select CPU_V6
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select ARCH_USES_GETTIMEOFFSET
 	help
 	  Samsung S5P6440 CPU based systems
 
@@ -696,6 +697,7 @@ config ARCH_S5P6442
 	select CPU_V6
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select ARCH_USES_GETTIMEOFFSET
 	help
 	  Samsung S5P6442 CPU based systems
 
@@ -705,6 +707,7 @@ config ARCH_S5PC100
 	select HAVE_CLK
 	select CPU_V7
 	select ARM_L1_CACHE_SHIFT_6
+	select ARCH_USES_GETTIMEOFFSET
 	help
 	  Samsung S5PC100 series based systems
 
@@ -714,6 +717,7 @@ config ARCH_S5PV210
 	select GENERIC_GPIO
 	select HAVE_CLK
 	select ARM_L1_CACHE_SHIFT_6
+	select ARCH_USES_GETTIMEOFFSET
 	help
 	  Samsung S5PV210/S5PC110 series based systems
 

From 3d5c1fdcaa7d3d414ce5928601b9578b80441a90 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 20 May 2010 20:49:25 +0900
Subject: [PATCH 2298/3638] ARM: SAMSUNG: Fixup merge problem

Fixup merge which re-introduced the setup-i2c0 helper

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-s5p/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
index 25941a5d3bf..39c242bb9d5 100644
--- a/arch/arm/plat-s5p/Makefile
+++ b/arch/arm/plat-s5p/Makefile
@@ -17,4 +17,4 @@ obj-y				+= cpu.o
 obj-y				+= clock.o
 obj-y				+= irq.o
 obj-$(CONFIG_S5P_EXT_INT)	+= irq-eint.o
-obj-y				+= setup-i2c0.o
+

From dd1ef1a2a1b91c5bf1d6f45d0a0eaf9233e3570c Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 20 May 2010 20:51:03 +0900
Subject: [PATCH 2299/3638] ARM: S5PV210: Fixup ADC device change

Ensure the ADC device is touched only if S3C_DEV_ADC
is selected.

Fixes:
arch/arm/mach-s5pv210/built-in.o: In function `s5pv210_map_io':
/home/kgene/bjdooks/arch/arm/mach-s5pv210/cpu.c:92: undefined reference to `s3c_device_adc'

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/cpu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index 76084d85fd2..411a4a9cbfc 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -76,7 +76,9 @@ static void s5pv210_idle(void)
 
 void __init s5pv210_map_io(void)
 {
+#ifdef CONFIG_S3C_DEV_ADC
 	s3c_device_adc.name	= "s3c64xx-adc";
+#endif
 
 	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
 

From 1ae35de1c1ac81f8f31879316656b0a66616a4b0 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 20 May 2010 20:58:18 +0900
Subject: [PATCH 2300/3638] ARM: S5PV210: Add temporary <mach/regs-fb.h>

Add temporary  <mach/regs-fb.h> until the new framebuffer
driver can be merged.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pv210/include/mach/regs-fb.h | 21 ++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 arch/arm/mach-s5pv210/include/mach/regs-fb.h

diff --git a/arch/arm/mach-s5pv210/include/mach/regs-fb.h b/arch/arm/mach-s5pv210/include/mach/regs-fb.h
new file mode 100644
index 00000000000..60d992989bd
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/regs-fb.h
@@ -0,0 +1,21 @@
+/* 
+ * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * Dummy framebuffer to allow build for the moment.
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_MACH_REGS_FB_H
+#define __ASM_ARCH_MACH_REGS_FB_H __FILE__
+
+#include <plat/regs-fb-v4.h>
+
+static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg)
+{
+	return 0x2400 + (window * 256 *4 ) + reg;
+}
+
+#endif /* __ASM_ARCH_MACH_REGS_FB_H */

From 6a399547242df3b12f13d637a95f63eaa82f9385 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 19 May 2010 16:31:49 +0900
Subject: [PATCH 2301/3638] ARM: S5P6440: Add locking to GPIO calls

Add the new locking calls to ensure that these are always exclusively
accessing the GPIO registers.

Fixes a possible race between two threads modifying the same GPIO bank,

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5p6440/gpio.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/mach-s5p6440/gpio.c b/arch/arm/mach-s5p6440/gpio.c
index 262dc75d5be..92efc05b1ba 100644
--- a/arch/arm/mach-s5p6440/gpio.c
+++ b/arch/arm/mach-s5p6440/gpio.c
@@ -46,6 +46,7 @@ static int s5p6440_gpiolib_rbank_4bit2_input(struct gpio_chip *chip,
 	void __iomem *base = ourchip->base;
 	void __iomem *regcon = base;
 	unsigned long con;
+	unsigned long flags;
 
 	switch (offset) {
 	case 6:
@@ -63,10 +64,14 @@ static int s5p6440_gpiolib_rbank_4bit2_input(struct gpio_chip *chip,
 		break;
 	}
 
+	s3c_gpio_lock(ourchip, flags);
+
 	con = __raw_readl(regcon);
 	con &= ~(0xf << con_4bit_shift(offset));
 	__raw_writel(con, regcon);
 
+	s3c_gpio_unlock(ourchip, flags);
+
 	return 0;
 }
 
@@ -78,6 +83,7 @@ static int s5p6440_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
 	void __iomem *regcon = base;
 	unsigned long con;
 	unsigned long dat;
+	unsigned long flags;
 	unsigned con_offset  = offset;
 
 	switch (con_offset) {
@@ -96,6 +102,8 @@ static int s5p6440_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
 		break;
 	}
 
+	s3c_gpio_lock(ourchip, flags);
+
 	con = __raw_readl(regcon);
 	con &= ~(0xf << con_4bit_shift(con_offset));
 	con |= 0x1 << con_4bit_shift(con_offset);
@@ -109,6 +117,8 @@ static int s5p6440_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
 	__raw_writel(con, regcon);
 	__raw_writel(dat, base + GPIODAT_OFF);
 
+	s3c_gpio_unlock(ourchip, flags);
+
 	return 0;
 }
 
@@ -117,6 +127,7 @@ int s5p6440_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
 {
 	void __iomem *reg = chip->base;
 	unsigned int shift;
+	unsigned long flags;
 	u32 con;
 
 	switch (off) {
@@ -142,11 +153,15 @@ int s5p6440_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
 		cfg <<= shift;
 	}
 
+	s3c_gpio_lock(chip, flags);
+
 	con = __raw_readl(reg);
 	con &= ~(0xf << shift);
 	con |= cfg;
 	__raw_writel(con, reg);
 
+	s3c_gpio_unlock(chip, flags);
+
 	return 0;
 }
 

From 1f1f584c9a1dd234041573d2d1c42620b3966607 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 10 May 2010 13:31:36 +0900
Subject: [PATCH 2302/3638] ARM: SAMSUNG: Make ADC client SMP safe

Change local_irq disable calls to use spinlocks to ensure that the
ADC driver data is protected against multiple access..

Note, this does not protect the client's data, and the client should
ensure it does not make multiple calls to the ADC driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-samsung/adc.c | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index 210030d5cfe..04d9521ddc9 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -66,6 +66,7 @@ struct adc_device {
 	struct s3c_adc_client	*cur;
 	struct s3c_adc_client	*ts_pend;
 	void __iomem		*regs;
+	spinlock_t		 lock;
 
 	unsigned int		 prescale;
 
@@ -74,7 +75,7 @@ struct adc_device {
 
 static struct adc_device *adc_dev;
 
-static LIST_HEAD(adc_pending);
+static LIST_HEAD(adc_pending);	/* protected by adc_device.lock */
 
 #define adc_dbg(_adc, msg...) dev_dbg(&(_adc)->pdev->dev, msg)
 
@@ -145,7 +146,7 @@ int s3c_adc_start(struct s3c_adc_client *client,
 	if (client->is_ts && adc->ts_pend)
 		return -EAGAIN;
 
-	local_irq_save(flags);
+	spin_lock_irqsave(&adc->lock, flags);
 
 	client->channel = channel;
 	client->nr_samples = nr_samples;
@@ -157,7 +158,8 @@ int s3c_adc_start(struct s3c_adc_client *client,
 
 	if (!adc->cur)
 		s3c_adc_try(adc);
-	local_irq_restore(flags);
+
+	spin_unlock_irqrestore(&adc->lock, flags);
 
 	return 0;
 }
@@ -237,6 +239,10 @@ EXPORT_SYMBOL_GPL(s3c_adc_register);
 
 void s3c_adc_release(struct s3c_adc_client *client)
 {
+	unsigned long flags;
+
+	spin_lock_irqsave(&adc_dev->lock, flags);
+
 	/* We should really check that nothing is in progress. */
 	if (adc_dev->cur == client)
 		adc_dev->cur = NULL;
@@ -255,6 +261,8 @@ void s3c_adc_release(struct s3c_adc_client *client)
 
 	if (adc_dev->cur == NULL)
 		s3c_adc_try(adc_dev);
+
+	spin_unlock_irqrestore(&adc_dev->lock, flags);
 	kfree(client);
 }
 EXPORT_SYMBOL_GPL(s3c_adc_release);
@@ -264,7 +272,6 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
 	struct adc_device *adc = pw;
 	struct s3c_adc_client *client = adc->cur;
 	enum s3c_cpu_type cpu = platform_get_device_id(adc->pdev)->driver_data;
-	unsigned long flags;
 	unsigned data0, data1;
 
 	if (!client) {
@@ -296,12 +303,12 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
 		client->select_cb(client, 1);
 		s3c_adc_convert(adc);
 	} else {
-		local_irq_save(flags);
+		spin_lock(&adc->lock);
 		(client->select_cb)(client, 0);
 		adc->cur = NULL;
 
 		s3c_adc_try(adc);
-		local_irq_restore(flags);
+		spin_unlock(&adc->lock);
 	}
 
 exit:
@@ -326,6 +333,8 @@ static int s3c_adc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	spin_lock_init(&adc->lock);
+
 	adc->pdev = pdev;
 	adc->prescale = S3C2410_ADCCON_PRSCVL(49);
 
@@ -407,13 +416,17 @@ static int __devexit s3c_adc_remove(struct platform_device *pdev)
 static int s3c_adc_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct adc_device *adc = platform_get_drvdata(pdev);
+	unsigned long flags;
 	u32 con;
 
+	spin_lock_irqsave(&adc->lock, flags);
+
 	con = readl(adc->regs + S3C2410_ADCCON);
 	con |= S3C2410_ADCCON_STDBM;
 	writel(con, adc->regs + S3C2410_ADCCON);
 
 	disable_irq(adc->irq);
+	spin_unlock_irqrestore(&adc->lock, flags);
 	clk_disable(adc->clk);
 
 	return 0;
@@ -422,6 +435,7 @@ static int s3c_adc_suspend(struct platform_device *pdev, pm_message_t state)
 static int s3c_adc_resume(struct platform_device *pdev)
 {
 	struct adc_device *adc = platform_get_drvdata(pdev);
+	unsigned long flags;
 
 	clk_enable(adc->clk);
 	enable_irq(adc->irq);

From 0317e52e046f815b4ec4ac7876f63e4eb47696bd Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 20 May 2010 14:05:33 +0900
Subject: [PATCH 2303/3638] ARM: SAMSUNG: Add support for interrupt
 wakeup-sources

Add support for wakeup-mask style interrupts that share a
single mask register for various different interrupts. This
registers a set of interrupt->bit mappings and the register
they belong to.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-samsung/Kconfig                 |  8 ++++
 arch/arm/plat-samsung/Makefile                |  2 +
 .../plat-samsung/include/plat/wakeup-mask.h   | 44 +++++++++++++++++
 arch/arm/plat-samsung/wakeup-mask.c           | 47 +++++++++++++++++++
 4 files changed, 101 insertions(+)
 create mode 100644 arch/arm/plat-samsung/include/plat/wakeup-mask.h
 create mode 100644 arch/arm/plat-samsung/wakeup-mask.c

diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index d663078253d..2753fb3e4f7 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -285,4 +285,12 @@ config SAMSUNG_PM_CHECK_CHUNKSIZE
 
 	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 
+config SAMSUNG_WAKEMASK
+	bool
+	depends on PM
+	help
+	  Compile support for wakeup-mask controls found on the S3C6400
+	  and above. This code allows a set of interrupt to wakeup-mask
+	  mappings. See <plat/wakeup-mask.h>
+
 endif
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index d98316b30c2..b1d82cc5e71 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -61,6 +61,8 @@ obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM)		+= pm-gpio.o
 obj-$(CONFIG_SAMSUNG_PM_CHECK)	+= pm-check.o
 
+obj-$(CONFIG_SAMSUNG_WAKEMASK)	+= wakeup-mask.o
+
 # PWM support
 
 obj-$(CONFIG_HAVE_PWM)		+= pwm.o
diff --git a/arch/arm/plat-samsung/include/plat/wakeup-mask.h b/arch/arm/plat-samsung/include/plat/wakeup-mask.h
new file mode 100644
index 00000000000..43e4acd2e1c
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/wakeup-mask.h
@@ -0,0 +1,44 @@
+/* arch/arm/plat-samsung/include/plat/wakeup-mask.h
+ *
+ * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * Support for wakeup mask interrupts on newer SoCs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+*/
+
+#ifndef __PLAT_WAKEUP_MASK_H
+#define __PLAT_WAKEUP_MASK_H __file__
+
+/* if no irq yet defined, but still want to mask */
+#define NO_WAKEUP_IRQ (0x90000000)
+
+/**
+ * struct samsung_wakeup_mask - wakeup mask information
+ * @irq: The interrupt associated with this wakeup.
+ * @bit: The bit, as a (1 << bitno) controlling this source.
+ */ 
+struct samsung_wakeup_mask {
+	unsigned int	irq;
+	u32		bit;
+};
+
+/**
+ * samsung_sync_wakemask - sync wakeup mask information for pm
+ * @reg: The register that is used.
+ * @masks: The list of masks to use.
+ * @nr_masks: The number of entries pointed to buy @masks.
+ *
+ * Synchronise the wakeup mask information at suspend time from the list
+ * of interrupts and control bits in @masks. We do this at suspend time
+ * as overriding the relevant irq chips is harder and the register is only
+ * required to be correct before we enter sleep.
+ */
+extern void samsung_sync_wakemask(void __iomem *reg,
+				  struct samsung_wakeup_mask *masks,
+				  int nr_masks);
+
+#endif /* __PLAT_WAKEUP_MASK_H */
diff --git a/arch/arm/plat-samsung/wakeup-mask.c b/arch/arm/plat-samsung/wakeup-mask.c
new file mode 100644
index 00000000000..2e09b6ad84c
--- /dev/null
+++ b/arch/arm/plat-samsung/wakeup-mask.c
@@ -0,0 +1,47 @@
+/* arch/arm/plat-samsung/wakeup-mask.c
+ *
+ * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * Support for wakeup mask interrupts on newer SoCs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/sysdev.h>
+#include <linux/types.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <plat/wakeup-mask.h>
+#include <plat/pm.h>
+
+void samsung_sync_wakemask(void __iomem *reg,
+			   struct samsung_wakeup_mask *mask, int nr_mask)
+{
+	struct irq_desc *desc;
+	u32 val;
+
+	val = __raw_readl(reg);
+
+	for (; nr_mask > 0; nr_mask--, mask++) {
+		if (mask->irq == NO_WAKEUP_IRQ) {
+			val |= mask->bit;
+			continue;
+		}
+
+		desc = irq_to_desc(mask->irq);
+
+		/* bit of a liberty to read this directly from irq_desc. */
+		if (desc->wake_depth > 0)
+			val &= ~mask->bit;
+		else
+			val |= mask->bit;
+	}
+
+	printk(KERN_INFO "wakemask %08x => %08x\n", __raw_readl(reg), val);
+	__raw_writel(val, reg);
+}

From fda225774ed0f3742eb2337680e5221dfa49dad8 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 20 May 2010 12:56:45 +0900
Subject: [PATCH 2304/3638] ARM: S3C64XX: PM: Synchronise wakeup mask on
 suspend

Use the new wakeup mask synchronisation code to set the
relevant wakeup mask bits.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s3c64xx/Kconfig |  1 +
 arch/arm/mach-s3c64xx/pm.c    | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index ccdde04f6fe..f5a59727949 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -7,6 +7,7 @@
 config PLAT_S3C64XX
 	bool
 	depends on ARCH_S3C64XX
+	select SAMSUNG_WAKEMASK
 	default y
 	help
 	  Base platform code for any Samsung S3C64XX device
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index b8ac4597fad..79412f735a8 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -18,8 +18,11 @@
 #include <linux/io.h>
 
 #include <mach/map.h>
+#include <mach/irqs.h>
 
 #include <plat/pm.h>
+#include <plat/wakeup-mask.h>
+
 #include <mach/regs-sys.h>
 #include <mach/regs-gpio.h>
 #include <mach/regs-clock.h>
@@ -153,8 +156,25 @@ static void s3c64xx_cpu_suspend(void)
 	panic("sleep resumed to originator?");
 }
 
+/* mapping of interrupts to parts of the wakeup mask */
+static struct samsung_wakeup_mask wake_irqs[] = {
+	{ .irq = IRQ_RTC_ALARM,	.bit = S3C64XX_PWRCFG_RTC_ALARM_DISABLE, },
+	{ .irq = IRQ_RTC_TIC,	.bit = S3C64XX_PWRCFG_RTC_TICK_DISABLE, },
+	{ .irq = IRQ_PENDN,	.bit = S3C64XX_PWRCFG_TS_DISABLE, },
+	{ .irq = IRQ_HSMMC0,	.bit = S3C64XX_PWRCFG_MMC0_DISABLE, },
+	{ .irq = IRQ_HSMMC1,	.bit = S3C64XX_PWRCFG_MMC1_DISABLE, },
+	{ .irq = IRQ_HSMMC2,	.bit = S3C64XX_PWRCFG_MMC2_DISABLE, },
+	{ .irq = NO_WAKEUP_IRQ,	.bit = S3C64XX_PWRCFG_BATF_DISABLE},
+	{ .irq = NO_WAKEUP_IRQ,	.bit = S3C64XX_PWRCFG_MSM_DISABLE },
+	{ .irq = NO_WAKEUP_IRQ,	.bit = S3C64XX_PWRCFG_HSI_DISABLE },
+	{ .irq = NO_WAKEUP_IRQ,	.bit = S3C64XX_PWRCFG_MSM_DISABLE },
+};
+
 static void s3c64xx_pm_prepare(void)
 {
+	samsung_sync_wakemask(S3C64XX_PWR_CFG,
+			      wake_irqs, ARRAY_SIZE(wake_irqs));
+
 	/* store address of resume. */
 	__raw_writel(virt_to_phys(s3c_cpu_resume), S3C64XX_INFORM0);
 

From 6c75dd0f965b7b3480d0e0e9b8d9747988dfe815 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 13 May 2010 22:06:20 +0200
Subject: [PATCH 2305/3638] drivers/platform/x86: Use kzalloc

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
---
 drivers/platform/x86/fujitsu-laptop.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 47b4fd75aa3..e325aeb37d2 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -1090,10 +1090,9 @@ static int __init fujitsu_init(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
-	fujitsu = kmalloc(sizeof(struct fujitsu_t), GFP_KERNEL);
+	fujitsu = kzalloc(sizeof(struct fujitsu_t), GFP_KERNEL);
 	if (!fujitsu)
 		return -ENOMEM;
-	memset(fujitsu, 0, sizeof(struct fujitsu_t));
 	fujitsu->keycode1 = KEY_PROG1;
 	fujitsu->keycode2 = KEY_PROG2;
 	fujitsu->keycode3 = KEY_PROG3;
@@ -1150,12 +1149,11 @@ static int __init fujitsu_init(void)
 
 	/* Register hotkey driver */
 
-	fujitsu_hotkey = kmalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL);
+	fujitsu_hotkey = kzalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL);
 	if (!fujitsu_hotkey) {
 		ret = -ENOMEM;
 		goto fail_hotkey;
 	}
-	memset(fujitsu_hotkey, 0, sizeof(struct fujitsu_hotkey_t));
 
 	result = acpi_bus_register_driver(&acpi_fujitsu_hotkey_driver);
 	if (result < 0) {

From 2c6719a3ef2f7da59a622ba1176ad41d553f8f43 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 23:22:18 +0200
Subject: [PATCH 2306/3638] drivers/platform/x86: Use kmemdup

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
---
 drivers/platform/x86/wmi.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 39ec5b6c2e3..17df134a6f0 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -756,12 +756,10 @@ static __init acpi_status parse_wdg(acpi_handle handle)
 
 	total = obj->buffer.length / sizeof(struct guid_block);
 
-	gblock = kzalloc(obj->buffer.length, GFP_KERNEL);
+	gblock = kmemdup(obj->buffer.pointer, obj->buffer.length, GFP_KERNEL);
 	if (!gblock)
 		return AE_NO_MEMORY;
 
-	memcpy(gblock, obj->buffer.pointer, obj->buffer.length);
-
 	for (i = 0; i < total; i++) {
 		/*
 		  Some WMI devices, like those for nVidia hooks, have a

From d0a4aa2b2603d85353450a30a6a3ea2010b041da Mon Sep 17 00:00:00 2001
From: "Lee, Chun-Yi" <jlee@novell.com>
Date: Wed, 12 May 2010 09:58:07 -0700
Subject: [PATCH 2307/3638] msi-laptop: Add N014 N051 dmi information to scm
 models table

Add new MSI netbook N014 and N051 dmi information to scm models table.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/platform/x86/msi-laptop.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 996223a7c00..bcd9c0d23b3 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -469,6 +469,26 @@ static struct dmi_system_id __initdata msi_dmi_table[] = {
 		},
 		.callback = dmi_check_cb
 	},
+	{
+		.ident = "MSI N051",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR,
+				"MICRO-STAR INTERNATIONAL CO., LTD"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N051"),
+			DMI_MATCH(DMI_CHASSIS_VENDOR,
+			"MICRO-STAR INTERNATIONAL CO., LTD")
+		},
+		.callback = dmi_check_cb
+	},
+	{
+		.ident = "MSI N014",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR,
+				"MICRO-STAR INTERNATIONAL CO., LTD"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N014"),
+		},
+		.callback = dmi_check_cb
+	},
 	{ }
 };
 
@@ -788,3 +808,5 @@ MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1058:pvr0581:rvnMSI:rnMS-105
 MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1412:*:rvnMSI:rnMS-1412:*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
 MODULE_ALIAS("dmi:*:svnNOTEBOOK:pnSAM2000:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
 MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N034:*");
+MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N051:*");
+MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N014:*");

From 1f27e17bfa2ad34a2dbb61cd097d9ecf506639df Mon Sep 17 00:00:00 2001
From: "Lee, Chun-Yi" <jlee@novell.com>
Date: Wed, 12 May 2010 09:58:08 -0700
Subject: [PATCH 2308/3638] msi-laptop: Add MSI CR620 notebook dmi information
 to scm models table

Add new MSI notebook CR620 dmi information to scm models table.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/platform/x86/msi-laptop.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index bcd9c0d23b3..45197d75db9 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -489,6 +489,15 @@ static struct dmi_system_id __initdata msi_dmi_table[] = {
 		},
 		.callback = dmi_check_cb
 	},
+	{
+		.ident = "MSI CR620",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR,
+				"Micro-Star International"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "CR620"),
+		},
+		.callback = dmi_check_cb
+	},
 	{ }
 };
 
@@ -810,3 +819,4 @@ MODULE_ALIAS("dmi:*:svnNOTEBOOK:pnSAM2000:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct1
 MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N034:*");
 MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N051:*");
 MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N014:*");
+MODULE_ALIAS("dmi:*:svnMicro-StarInternational*:pnCR620:*");

From 3bb970214fce6495573843e4b7b786f8ea94cd70 Mon Sep 17 00:00:00 2001
From: "Lee, Chun-Yi" <jlee@novell.com>
Date: Wed, 12 May 2010 09:58:09 -0700
Subject: [PATCH 2309/3638] msi-laptop: Set rfkill init state when msi-laptop
 intiial

Setup Wlan/Bluetooth/3G rfkill initial state to sync with the hardware
state from EC 0x2e address.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/platform/x86/msi-laptop.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 45197d75db9..34bec2e2684 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -581,11 +581,31 @@ static void rfkill_cleanup(void)
 	}
 }
 
+static void msi_init_rfkill(struct work_struct *ignored)
+{
+	if (rfk_wlan) {
+		rfkill_set_sw_state(rfk_wlan, !wlan_s);
+		rfkill_wlan_set(NULL, !wlan_s);
+	}
+	if (rfk_bluetooth) {
+		rfkill_set_sw_state(rfk_bluetooth, !bluetooth_s);
+		rfkill_bluetooth_set(NULL, !bluetooth_s);
+	}
+	if (rfk_threeg) {
+		rfkill_set_sw_state(rfk_threeg, !threeg_s);
+		rfkill_threeg_set(NULL, !threeg_s);
+	}
+}
+static DECLARE_DELAYED_WORK(msi_rfkill_init, msi_init_rfkill);
+
 static int rfkill_init(struct platform_device *sdev)
 {
 	/* add rfkill */
 	int retval;
 
+	/* keep the hardware wireless state */
+	get_wireless_state_ec_standard();
+
 	rfk_bluetooth = rfkill_alloc("msi-bluetooth", &sdev->dev,
 				RFKILL_TYPE_BLUETOOTH,
 				&rfkill_bluetooth_ops, NULL);
@@ -619,6 +639,10 @@ static int rfkill_init(struct platform_device *sdev)
 			goto err_threeg;
 	}
 
+	/* schedule to run rfkill state initial */
+	schedule_delayed_work(&msi_rfkill_init,
+				round_jiffies_relative(1 * HZ));
+
 	return 0;
 
 err_threeg:

From 339e75329a447363658d08833bf9f98909f419cd Mon Sep 17 00:00:00 2001
From: "Lee, Chun-Yi" <jlee@novell.com>
Date: Wed, 12 May 2010 09:58:10 -0700
Subject: [PATCH 2310/3638] msi-laptop: Add i8042 filter to sync sw state with
 BIOS when function key pressed

There have some MSI netbook change devices state by EC when user press
wlan/bluetooth/wwan function keys. So, add a i8042 filter to sync sw
state with BIOS when function keys pressed.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/platform/x86/msi-laptop.c | 59 ++++++++++++++++++++++++++++++-
 1 file changed, 58 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 34bec2e2684..b08a108c977 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -59,6 +59,7 @@
 #include <linux/backlight.h>
 #include <linux/platform_device.h>
 #include <linux/rfkill.h>
+#include <linux/i8042.h>
 
 #define MSI_DRIVER_VERSION "0.5"
 
@@ -581,6 +582,46 @@ static void rfkill_cleanup(void)
 	}
 }
 
+static void msi_update_rfkill(struct work_struct *ignored)
+{
+	get_wireless_state_ec_standard();
+
+	if (rfk_wlan)
+		rfkill_set_sw_state(rfk_wlan, !wlan_s);
+	if (rfk_bluetooth)
+		rfkill_set_sw_state(rfk_bluetooth, !bluetooth_s);
+	if (rfk_threeg)
+		rfkill_set_sw_state(rfk_threeg, !threeg_s);
+}
+static DECLARE_DELAYED_WORK(msi_rfkill_work, msi_update_rfkill);
+
+static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str,
+				struct serio *port)
+{
+	static bool extended;
+
+	if (str & 0x20)
+		return false;
+
+	/* 0x54 wwan, 0x62 bluetooth, 0x76 wlan*/
+	if (unlikely(data == 0xe0)) {
+		extended = true;
+		return false;
+	} else if (unlikely(extended)) {
+		switch (data) {
+		case 0x54:
+		case 0x62:
+		case 0x76:
+			schedule_delayed_work(&msi_rfkill_work,
+				round_jiffies_relative(0.5 * HZ));
+			break;
+		}
+		extended = false;
+	}
+
+	return false;
+}
+
 static void msi_init_rfkill(struct work_struct *ignored)
 {
 	if (rfk_wlan) {
@@ -706,9 +747,24 @@ static int load_scm_model_init(struct platform_device *sdev)
 	/* initial rfkill */
 	result = rfkill_init(sdev);
 	if (result < 0)
-		return result;
+		goto fail_rfkill;
+
+	result = i8042_install_filter(msi_laptop_i8042_filter);
+	if (result) {
+		printk(KERN_ERR
+			"msi-laptop: Unable to install key filter\n");
+		goto fail_filter;
+	}
 
 	return 0;
+
+fail_filter:
+	rfkill_cleanup();
+
+fail_rfkill:
+
+	return result;
+
 }
 
 static int __init msi_init(void)
@@ -819,6 +875,7 @@ static void __exit msi_cleanup(void)
 	platform_driver_unregister(&msipf_driver);
 	backlight_device_unregister(msibl_device);
 
+	i8042_remove_filter(msi_laptop_i8042_filter);
 	rfkill_cleanup();
 
 	/* Enable automatic brightness control again */

From 1ac34072bda53e889ac1c5a73ea59f42a769485a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 12 May 2010 12:03:00 -0700
Subject: [PATCH 2311/3638] msi-laptop: fix up some coding style issues found
 by checkpatch

Cc: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/platform/x86/msi-laptop.c | 37 ++++++++++++++++++++-----------
 1 file changed, 24 insertions(+), 13 deletions(-)

diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index b08a108c977..5822d0ac68d 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -119,7 +119,8 @@ static int set_lcd_level(int level)
 	buf[0] = 0x80;
 	buf[1] = (u8) (level*31);
 
-	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, buf, sizeof(buf), NULL, 0, 1);
+	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, buf, sizeof(buf),
+			      NULL, 0, 1);
 }
 
 static int get_lcd_level(void)
@@ -127,7 +128,8 @@ static int get_lcd_level(void)
 	u8 wdata = 0, rdata;
 	int result;
 
-	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1, 1);
+	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1,
+				&rdata, 1, 1);
 	if (result < 0)
 		return result;
 
@@ -139,7 +141,8 @@ static int get_auto_brightness(void)
 	u8 wdata = 4, rdata;
 	int result;
 
-	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1, 1);
+	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1,
+				&rdata, 1, 1);
 	if (result < 0)
 		return result;
 
@@ -153,14 +156,16 @@ static int set_auto_brightness(int enable)
 
 	wdata[0] = 4;
 
-	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 1, &rdata, 1, 1);
+	result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 1,
+				&rdata, 1, 1);
 	if (result < 0)
 		return result;
 
 	wdata[0] = 0x84;
 	wdata[1] = (rdata & 0xF7) | (enable ? 8 : 0);
 
-	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2, NULL, 0, 1);
+	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2,
+			      NULL, 0, 1);
 }
 
 static ssize_t set_device_state(const char *buf, size_t count, u8 mask)
@@ -255,7 +260,7 @@ static int bl_update_status(struct backlight_device *b)
 	return set_lcd_level(b->props.brightness);
 }
 
-static struct backlight_ops msibl_ops = {
+static const struct backlight_ops msibl_ops = {
 	.get_brightness = bl_get_brightness,
 	.update_status  = bl_update_status,
 };
@@ -354,7 +359,8 @@ static ssize_t store_lcd_level(struct device *dev,
 
 	int level, ret;
 
-	if (sscanf(buf, "%i", &level) != 1 || (level < 0 || level >= MSI_LCD_LEVEL_MAX))
+	if (sscanf(buf, "%i", &level) != 1 ||
+	    (level < 0 || level >= MSI_LCD_LEVEL_MAX))
 		return -EINVAL;
 
 	ret = set_lcd_level(level);
@@ -394,7 +400,8 @@ static ssize_t store_auto_brightness(struct device *dev,
 }
 
 static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level);
-static DEVICE_ATTR(auto_brightness, 0644, show_auto_brightness, store_auto_brightness);
+static DEVICE_ATTR(auto_brightness, 0644, show_auto_brightness,
+		   store_auto_brightness);
 static DEVICE_ATTR(bluetooth, 0444, show_bluetooth, NULL);
 static DEVICE_ATTR(wlan, 0444, show_wlan, NULL);
 static DEVICE_ATTR(threeg, 0444, show_threeg, NULL);
@@ -425,8 +432,9 @@ static struct platform_device *msipf_device;
 
 static int dmi_check_cb(const struct dmi_system_id *id)
 {
-        printk("msi-laptop: Identified laptop model '%s'.\n", id->ident);
-        return 0;
+	printk(KERN_INFO "msi-laptop: Identified laptop model '%s'.\n",
+	       id->ident);
+	return 0;
 }
 
 static struct dmi_system_id __initdata msi_dmi_table[] = {
@@ -436,7 +444,8 @@ static struct dmi_system_id __initdata msi_dmi_table[] = {
 			DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1013"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "0131"),
-			DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INT'L CO.,LTD")
+			DMI_MATCH(DMI_CHASSIS_VENDOR,
+				  "MICRO-STAR INT'L CO.,LTD")
 		},
 		.callback = dmi_check_cb
 	},
@@ -466,7 +475,8 @@ static struct dmi_system_id __initdata msi_dmi_table[] = {
 			DMI_MATCH(DMI_SYS_VENDOR, "NOTEBOOK"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "SAM2000"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "0131"),
-			DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INT'L CO.,LTD")
+			DMI_MATCH(DMI_CHASSIS_VENDOR,
+				  "MICRO-STAR INT'L CO.,LTD")
 		},
 		.callback = dmi_check_cb
 	},
@@ -823,7 +833,8 @@ static int __init msi_init(void)
 		goto fail_platform_device1;
 	}
 
-	ret = sysfs_create_group(&msipf_device->dev.kobj, &msipf_attribute_group);
+	ret = sysfs_create_group(&msipf_device->dev.kobj,
+				 &msipf_attribute_group);
 	if (ret)
 		goto fail_platform_device2;
 

From 7ab52521f2d850e922f33e5586a47e6c83ec6f11 Mon Sep 17 00:00:00 2001
From: "Lee, Chun-Yi" <jlee@novell.com>
Date: Sat, 15 May 2010 06:18:54 +0800
Subject: [PATCH 2312/3638] Clean up all objects used by scm model when driver
 initial fail or exit

Clean up i8042 filter, rfkill and cancel delayed work when msi-laptop driver initial fail or exit on MSI scm model.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
---
 drivers/platform/x86/msi-laptop.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 5822d0ac68d..704b5faac59 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -859,6 +859,11 @@ static int __init msi_init(void)
 
 fail_platform_device2:
 
+	if (load_scm_model) {
+		i8042_remove_filter(msi_laptop_i8042_filter);
+		cancel_delayed_work_sync(&msi_rfkill_work);
+		rfkill_cleanup();
+	}
 	platform_device_del(msipf_device);
 
 fail_platform_device1:
@@ -878,6 +883,11 @@ fail_backlight:
 
 static void __exit msi_cleanup(void)
 {
+	if (load_scm_model) {
+		i8042_remove_filter(msi_laptop_i8042_filter);
+		cancel_delayed_work_sync(&msi_rfkill_work);
+		rfkill_cleanup();
+	}
 
 	sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);
 	if (!old_ec_model && threeg_exists)
@@ -886,9 +896,6 @@ static void __exit msi_cleanup(void)
 	platform_driver_unregister(&msipf_driver);
 	backlight_device_unregister(msibl_device);
 
-	i8042_remove_filter(msi_laptop_i8042_filter);
-	rfkill_cleanup();
-
 	/* Enable automatic brightness control again */
 	if (auto_brightness != 2)
 		set_auto_brightness(1);

From fc3155b2c6419a442c6f8b34a3bf31f8efe0fe33 Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Mon, 3 May 2010 15:30:15 +0200
Subject: [PATCH 2313/3638] X86 platform wmi: Introduce debug param to log all
 WMI events

To give people easily an idea what could be WMI driven on their system.
Introduces:
wmi.debug=[01]

Tested on an acer:
ACPI: WMI: DEBUG Event INTEGER_TYPE - 65535

Situation where a driver registers for specific event and debug
handler gets overridden and set again if the registering driver gets
unloaded again is untested, but should work.

Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: platform-driver-x86@vger.kernel.org
CC: mjg59@srcf.ucam.org
CC: corentin.chary@gmail.com
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/wmi.c | 58 ++++++++++++++++++++++++++++++++------
 1 file changed, 50 insertions(+), 8 deletions(-)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 17df134a6f0..e820f4cddb6 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -81,6 +81,11 @@ static struct wmi_block wmi_blocks;
 #define ACPI_WMI_STRING      0x4	/* GUID takes & returns a string */
 #define ACPI_WMI_EVENT       0x8	/* GUID is an event */
 
+static int debug_event;
+module_param(debug_event, bool, 0444);
+MODULE_PARM_DESC(debug_event,
+		 "Log WMI Events [0/1]");
+
 static int acpi_wmi_remove(struct acpi_device *device, int type);
 static int acpi_wmi_add(struct acpi_device *device);
 static void acpi_wmi_notify(struct acpi_device *device, u32 event);
@@ -477,6 +482,37 @@ const struct acpi_buffer *in)
 }
 EXPORT_SYMBOL_GPL(wmi_set_block);
 
+static void wmi_notify_debug(u32 value, void *context)
+{
+	struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object *obj;
+
+	wmi_get_event_data(value, &response);
+
+	obj = (union acpi_object *)response.pointer;
+
+	if (!obj)
+		return;
+
+	printk(KERN_INFO PREFIX "DEBUG Event ");
+	switch(obj->type) {
+	case ACPI_TYPE_BUFFER:
+		printk("BUFFER_TYPE - length %d\n", obj->buffer.length);
+		break;
+	case ACPI_TYPE_STRING:
+		printk("STRING_TYPE - %s\n", obj->string.pointer);
+		break;
+	case ACPI_TYPE_INTEGER:
+		printk("INTEGER_TYPE - %llu\n", obj->integer.value);
+		break;
+	case ACPI_TYPE_PACKAGE:
+		printk("PACKAGE_TYPE - %d elements\n", obj->package.count);
+		break;
+	default:
+		printk("object type 0x%X\n", obj->type);
+	}
+}
+
 /**
  * wmi_install_notify_handler - Register handler for WMI events
  * @handler: Function to handle notifications
@@ -496,7 +532,7 @@ wmi_notify_handler handler, void *data)
 	if (!find_guid(guid, &block))
 		return AE_NOT_EXIST;
 
-	if (block->handler)
+	if (block->handler && block->handler != wmi_notify_debug)
 		return AE_ALREADY_ACQUIRED;
 
 	block->handler = handler;
@@ -516,7 +552,7 @@ EXPORT_SYMBOL_GPL(wmi_install_notify_handler);
 acpi_status wmi_remove_notify_handler(const char *guid)
 {
 	struct wmi_block *block;
-	acpi_status status;
+	acpi_status status = AE_OK;
 
 	if (!guid)
 		return AE_BAD_PARAMETER;
@@ -524,14 +560,16 @@ acpi_status wmi_remove_notify_handler(const char *guid)
 	if (!find_guid(guid, &block))
 		return AE_NOT_EXIST;
 
-	if (!block->handler)
+	if (!block->handler || block->handler == wmi_notify_debug)
 		return AE_NULL_ENTRY;
 
-	status = wmi_method_enable(block, 0);
-
-	block->handler = NULL;
-	block->handler_data = NULL;
-
+	if (debug_event) {
+		block->handler = wmi_notify_debug;
+	} else {
+		status = wmi_method_enable(block, 0);
+		block->handler = NULL;
+		block->handler_data = NULL;
+	}
 	return status;
 }
 EXPORT_SYMBOL_GPL(wmi_remove_notify_handler);
@@ -780,6 +818,10 @@ static __init acpi_status parse_wdg(acpi_handle handle)
 
 		wblock->gblock = gblock[i];
 		wblock->handle = handle;
+		if (debug_event) {
+			wblock->handler = wmi_notify_debug;
+			status = wmi_method_enable(wblock, 1);
+		}
 		list_add_tail(&wblock->list, &wmi_blocks.list);
 	}
 

From 7715348cbe28da80fd5372fd68748e852a9d8468 Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Mon, 3 May 2010 15:30:16 +0200
Subject: [PATCH 2314/3638] X86 platform wmi: Also log GUID string when an
 event happens and debug is set

Output in log with debug=1:
ACPI: WMI: DEBUG Event INTEGER_TYPE - 65535
ACPI: WMI: DEBUG Event GUID: CC1A61AC-4256-41A3-B9E0-05A445ADE2F5

Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: platform-driver-x86@vger.kernel.org
CC: mjg59@srcf.ucam.org
CC: corentin.chary@gmail.com
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/wmi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index e820f4cddb6..f16768db446 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -880,6 +880,7 @@ static void acpi_wmi_notify(struct acpi_device *device, u32 event)
 	struct guid_block *block;
 	struct wmi_block *wblock;
 	struct list_head *p;
+	char guid_string[37];
 
 	list_for_each(p, &wmi_blocks.list) {
 		wblock = list_entry(p, struct wmi_block, list);
@@ -889,6 +890,11 @@ static void acpi_wmi_notify(struct acpi_device *device, u32 event)
 			(block->notify_id == event)) {
 			if (wblock->handler)
 				wblock->handler(event, wblock->handler_data);
+			if (debug_event) {
+				wmi_gtoa(wblock->gblock.guid, guid_string);
+				printk(KERN_INFO PREFIX "DEBUG Event GUID:"
+				       " %s\n", guid_string);
+			}
 
 			acpi_bus_generate_netlink_event(
 				device->pnp.device_class, dev_name(&device->dev),

From a929aae0e0a91d89b60774316ede6c1e2e10dc4e Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Mon, 3 May 2010 15:30:17 +0200
Subject: [PATCH 2315/3638] X86 platfrom wmi: Add debug facility to dump WMI
 data in a readable way

Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: platform-driver-x86@vger.kernel.org
CC: mjg59@srcf.ucam.org
CC: corentin.chary@gmail.com
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/wmi.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index f16768db446..e4eaa14ed98 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -86,6 +86,11 @@ module_param(debug_event, bool, 0444);
 MODULE_PARM_DESC(debug_event,
 		 "Log WMI Events [0/1]");
 
+static int debug_dump_wdg;
+module_param(debug_dump_wdg, bool, 0444);
+MODULE_PARM_DESC(debug_dump_wdg,
+		 "Dump available WMI interfaces [0/1]");
+
 static int acpi_wmi_remove(struct acpi_device *device, int type);
 static int acpi_wmi_add(struct acpi_device *device);
 static void acpi_wmi_notify(struct acpi_device *device, u32 event);
@@ -482,6 +487,33 @@ const struct acpi_buffer *in)
 }
 EXPORT_SYMBOL_GPL(wmi_set_block);
 
+static void wmi_dump_wdg(struct guid_block *g)
+{
+	char guid_string[37];
+
+	wmi_gtoa(g->guid, guid_string);
+	printk(KERN_INFO PREFIX "%s:\n", guid_string);
+	printk(KERN_INFO PREFIX "\tobject_id: %c%c\n",
+	       g->object_id[0], g->object_id[1]);
+	printk(KERN_INFO PREFIX "\tnotify_id: %02X\n", g->notify_id);
+	printk(KERN_INFO PREFIX "\treserved: %02X\n", g->reserved);
+	printk(KERN_INFO PREFIX "\tinstance_count: %d\n", g->instance_count);
+	printk(KERN_INFO PREFIX "\tflags: %#x", g->flags);
+	if (g->flags) {
+		printk(" ");
+		if (g->flags & ACPI_WMI_EXPENSIVE)
+			printk("ACPI_WMI_EXPENSIVE ");
+		if (g->flags & ACPI_WMI_METHOD)
+			printk("ACPI_WMI_METHOD ");
+		if (g->flags & ACPI_WMI_STRING)
+			printk("ACPI_WMI_STRING ");
+		if (g->flags & ACPI_WMI_EVENT)
+			printk("ACPI_WMI_EVENT ");
+	}
+	printk("\n");
+
+}
+
 static void wmi_notify_debug(u32 value, void *context)
 {
 	struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
@@ -812,6 +844,9 @@ static __init acpi_status parse_wdg(acpi_handle handle)
 				guid_string);
 			continue;
 		}
+		if (debug_dump_wdg)
+			wmi_dump_wdg(&gblock[i]);
+
 		wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL);
 		if (!wblock)
 			return AE_NO_MEMORY;

From b7670ed6509f322713bbd96eed0301c322f2ae02 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Wed, 19 May 2010 12:37:01 +0200
Subject: [PATCH 2316/3638] drivers/platform/x86/eeepc-wmi.c: fix build warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

drivers/platform/x86/eeepc-wmi.c: In function ‘eeepc_wmi_notify’:
drivers/platform/x86/eeepc-wmi.c:209: warning: ‘new’ may be used uninitialized in this function
drivers/platform/x86/eeepc-wmi.c:209: note: ‘new’ was declared here

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Yong Wang <yong.y.wang@intel.com>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Tejun Heo <tj@kernel.org>
Cc: platform-driver-x86@vger.kernel.org
Acked-By: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/eeepc-wmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index b227eb469f4..9dc50fbf3d0 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -206,7 +206,7 @@ static int eeepc_wmi_backlight_notify(struct eeepc_wmi *eeepc, int code)
 {
 	struct backlight_device *bd = eeepc->backlight_device;
 	int old = bd->props.brightness;
-	int new;
+	int new = old;
 
 	if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
 		new = code - NOTIFY_BRNUP_MIN + 1;

From 785cfc0324b9321efb85b0935af2b474d615daa1 Mon Sep 17 00:00:00 2001
From: "Lee, Chun-Yi" <jlee@novell.com>
Date: Wed, 19 May 2010 20:03:05 +0800
Subject: [PATCH 2317/3638] Move N014, N051 and CR620 dmi information to load
 scm dmi table

Found the N014, N051 and CR620 are must the same with N034 there are
load scm serial model. So, this patch move N014, N051 and CR620 dmi
information to right dmi table: msi_load_scm_models_dmi_table[]

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
---
 drivers/platform/x86/msi-laptop.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 704b5faac59..afd762b58ad 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -480,6 +480,21 @@ static struct dmi_system_id __initdata msi_dmi_table[] = {
 		},
 		.callback = dmi_check_cb
 	},
+	{ }
+};
+
+static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = {
+	{
+		.ident = "MSI N034",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR,
+				"MICRO-STAR INTERNATIONAL CO., LTD"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N034"),
+			DMI_MATCH(DMI_CHASSIS_VENDOR,
+			"MICRO-STAR INTERNATIONAL CO., LTD")
+		},
+		.callback = dmi_check_cb
+	},
 	{
 		.ident = "MSI N051",
 		.matches = {
@@ -512,21 +527,6 @@ static struct dmi_system_id __initdata msi_dmi_table[] = {
 	{ }
 };
 
-static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = {
-	{
-		.ident = "MSI N034",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR,
-				"MICRO-STAR INTERNATIONAL CO., LTD"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N034"),
-			DMI_MATCH(DMI_CHASSIS_VENDOR,
-			"MICRO-STAR INTERNATIONAL CO., LTD")
-		},
-		.callback = dmi_check_cb
-	},
-	{ }
-};
-
 static int rfkill_bluetooth_set(void *data, bool blocked)
 {
 	/* Do something with blocked...*/

From 17930b405e0ecdc8ecc4d336377a92950e2de76a Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 19 May 2010 16:03:51 -0300
Subject: [PATCH 2318/3638] perf TUI: Make 'space' be an alias to 'PgDn'
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Just like if one is using the stdio based pager, or more/less, for that
matter.

Suggested-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/newt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 9338d060ee4..051022eb5f4 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -383,6 +383,7 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
 	newtFormAddHotKey(self->form, NEWT_KEY_DOWN);
 	newtFormAddHotKey(self->form, NEWT_KEY_PGUP);
 	newtFormAddHotKey(self->form, NEWT_KEY_PGDN);
+	newtFormAddHotKey(self->form, ' ');
 	newtFormAddHotKey(self->form, NEWT_KEY_HOME);
 	newtFormAddHotKey(self->form, NEWT_KEY_END);
 
@@ -419,6 +420,7 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
 			}
 			break;
 		case NEWT_KEY_PGDN:
+		case ' ':
 			if (self->first_visible_entry_idx + self->height > self->nr_entries - 1)
 				break;
 

From b36f19d572151abb987ce308a3e066b977a2146f Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Thu, 20 May 2010 12:15:33 -0300
Subject: [PATCH 2319/3638] perf annotate: Use build-ids to find the right DSO
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

We were still using the pathname found on the MMAP event, that could not
be the one we used when recording, so use the build-id cache for that,
only falling back to use the pathname in the MMAP event if no build-ids
are available.

With this we now also are able to do secure, seamless offline annotation.

Example:

[root@doppio linux-2.6-tip]# perf report -g none -v 2> /dev/null | head -10
     8.12%     Xorg  /usr/lib64/libpixman-1.so.0.14.0       0x0000000000026d02 B [.] pixman_rasterize_edges
     4.68%  firefox  /usr/lib64/xulrunner-1.9.1/libxul.so   0x00000000005dbdba B [.] 0x000000005dbdba
     3.70%  swapper  /lib/modules/2.6.34-rc6/build/vmlinux  0xffffffff81022cea ! [k] read_hpet
     2.96%     init  /lib/modules/2.6.34-rc6/build/vmlinux  0xffffffff81022cea ! [k] read_hpet
     2.73%  swapper  /lib/modules/2.6.34-rc6/build/vmlinux  0xffffffff8100a738 ! [k] mwait_idle_with_hints
[root@doppio linux-2.6-tip]# perf annotate -v pixman_rasterize_edges 2>&1 | grep Executing
Executing: objdump --start-address=0x000000371ce26670 --stop-address=0x000000371ce2709f -dS /root/.debug/.build-id/bd/6ac5199137aaeb279f864717d8d061477466c1|grep -v /root/.debug/.build-id/bd/6ac5199137aaeb279f864717d8d061477466c1|expand
[root@doppio linux-2.6-tip]# perf buildid-list | grep libpixman-1.so.0.14.0
bd6ac5199137aaeb279f864717d8d061477466c1 /usr/lib64/libpixman-1.so.0.14.0
[root@doppio linux-2.6-tip]#

Reported-by: Stephane Eranian <eranian@google.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/build-id.c  | 22 ++++++++++++++++++++++
 tools/perf/util/build-id.h  |  2 ++
 tools/perf/util/callchain.c |  1 +
 tools/perf/util/callchain.h |  1 -
 tools/perf/util/hist.c      | 34 ++++++++++++++++++++++++++--------
 tools/perf/util/symbol.c    | 12 +++---------
 6 files changed, 54 insertions(+), 18 deletions(-)

diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 0f60a390680..70c5cf87d02 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -6,6 +6,8 @@
  * Copyright (C) 2009, 2010 Red Hat Inc.
  * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
  */
+#include "util.h"
+#include <stdio.h>
 #include "build-id.h"
 #include "event.h"
 #include "symbol.h"
@@ -37,3 +39,23 @@ struct perf_event_ops build_id__mark_dso_hit_ops = {
 	.mmap	= event__process_mmap,
 	.fork	= event__process_task,
 };
+
+char *dso__build_id_filename(struct dso *self, char *bf, size_t size)
+{
+	char build_id_hex[BUILD_ID_SIZE * 2 + 1];
+	const char *home;
+
+	if (!self->has_build_id)
+		return NULL;
+
+	build_id__sprintf(self->build_id, sizeof(self->build_id), build_id_hex);
+	home = getenv("HOME");
+	if (bf == NULL) {
+		if (asprintf(&bf, "%s/%s/.build-id/%.2s/%s", home,
+			     DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2) < 0)
+			return NULL;
+	} else
+		snprintf(bf, size, "%s/%s/.build-id/%.2s/%s", home,
+			 DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2);
+	return bf;
+}
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index 1d981d63cf9..5dafb00eaa0 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -5,4 +5,6 @@
 
 extern struct perf_event_ops build_id__mark_dso_hit_ops;
 
+char *dso__build_id_filename(struct dso *self, char *bf, size_t size);
+
 #endif
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 21a52e0a443..62b69ad4aa7 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -15,6 +15,7 @@
 #include <errno.h>
 #include <math.h>
 
+#include "util.h"
 #include "callchain.h"
 
 bool ip_callchain__valid(struct ip_callchain *chain, event_t *event)
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 1cba1f5504e..1ca73e4a272 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -5,7 +5,6 @@
 #include <linux/list.h>
 #include <linux/rbtree.h>
 #include "event.h"
-#include "util.h"
 #include "symbol.h"
 
 enum chain_mode {
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 9a71c94f057..739c39fd0ad 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1,3 +1,4 @@
+#include "build-id.h"
 #include "util.h"
 #include "hist.h"
 #include "session.h"
@@ -988,22 +989,35 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 	struct symbol *sym = self->ms.sym;
 	struct map *map = self->ms.map;
 	struct dso *dso = map->dso;
-	const char *filename = dso->long_name;
+	char *filename = dso__build_id_filename(dso, NULL, 0);
 	char command[PATH_MAX * 2];
 	FILE *file;
+	int err = -1;
 	u64 len;
 
-	if (!filename)
-		return -1;
+	if (filename == NULL) {
+		if (dso->has_build_id) {
+			pr_err("Can't annotate %s: not enough memory\n",
+			       sym->name);
+			return -1;
+		}
+		/*
+		 * If we don't have build-ids, well, lets hope that this
+		 * DSO is the same as when 'perf record' ran.
+		 */
+		filename = dso->long_name;
+	}
 
 	if (dso->origin == DSO__ORIG_KERNEL) {
-		if (dso->annotate_warned)
-			return 0;
+		if (dso->annotate_warned) {
+			err = 0;
+			goto out_free_filename;
+		}
 		dso->annotate_warned = 1;
 		pr_err("Can't annotate %s: No vmlinux file was found in the "
 		       "path:\n", sym->name);
 		vmlinux_path__fprintf(stderr);
-		return -1;
+		goto out_free_filename;
 	}
 
 	pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__,
@@ -1025,14 +1039,18 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 
 	file = popen(command, "r");
 	if (!file)
-		return -1;
+		goto out_free_filename;
 
 	while (!feof(file))
 		if (hist_entry__parse_objdump_line(self, file, head) < 0)
 			break;
 
 	pclose(file);
-	return 0;
+	err = 0;
+out_free_filename:
+	if (dso->has_build_id)
+		free(filename);
+	return err;
 }
 
 void hists__inc_nr_events(struct hists *self, u32 type)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 96bff0e5486..aaa51ba147d 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -11,6 +11,7 @@
 #include <sys/param.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include "build-id.h"
 #include "symbol.h"
 #include "strlist.h"
 
@@ -1293,7 +1294,6 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 	int size = PATH_MAX;
 	char *name;
 	u8 build_id[BUILD_ID_SIZE];
-	char build_id_hex[BUILD_ID_SIZE * 2 + 1];
 	int ret = -1;
 	int fd;
 	struct machine *machine;
@@ -1325,15 +1325,8 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 	}
 
 	self->origin = DSO__ORIG_BUILD_ID_CACHE;
-
-	if (self->has_build_id) {
-		build_id__sprintf(self->build_id, sizeof(self->build_id),
-				  build_id_hex);
-		snprintf(name, size, "%s/%s/.build-id/%.2s/%s",
-			 getenv("HOME"), DEBUG_CACHE_DIR,
-			 build_id_hex, build_id_hex + 2);
+	if (dso__build_id_filename(self, name, size) != NULL)
 		goto open_file;
-	}
 more:
 	do {
 		self->origin++;
@@ -1349,6 +1342,7 @@ more:
 		case DSO__ORIG_BUILDID:
 			if (filename__read_build_id(self->long_name, build_id,
 						    sizeof(build_id))) {
+				char build_id_hex[BUILD_ID_SIZE * 2 + 1];
 				build_id__sprintf(build_id, sizeof(build_id),
 						  build_id_hex);
 				snprintf(name, size,

From 1e804cec7a05e9bc26a523b1b4d0322bd894d2bc Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw2@infradead.org>
Date: Thu, 20 May 2010 16:54:05 +0200
Subject: [PATCH 2320/3638] mtd: cfi_cmdset_0002: Fix MODULE_ALIAS and linkage
 for new 0701 commandset ID

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 87e86e93ebf..cd905a1c0d2 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -489,7 +489,9 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 
 	return cfi_amdstd_setup(mtd);
 }
+struct mtd_info *cfi_cmdset_0701(struct map_info *map, int primary) __attribute__((alias("cfi_cmdset_0002")));
 EXPORT_SYMBOL_GPL(cfi_cmdset_0002);
+EXPORT_SYMBOL_GPL(cfi_cmdset_0701);
 
 static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
 {
@@ -2040,3 +2042,4 @@ static void cfi_amdstd_destroy(struct mtd_info *mtd)
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Crossnet Co. <info@crossnet.co.jp> et al.");
 MODULE_DESCRIPTION("MTD chip driver for AMD/Fujitsu flash chips");
+MODULE_ALIAS("cfi_cmdset_0701");

From 8046112818b70329e930b1d4557ef0876c1ad2bb Mon Sep 17 00:00:00 2001
From: Guillaume LECERF <glecerf@gmail.com>
Date: Thu, 20 May 2010 16:54:10 +0200
Subject: [PATCH 2321/3638] mtd: cfi_cmdset_0002: use AMD standard command-set
 with Winbond flash chips

Tested with W19L320SBT9C [1].

[1] http://www.datasheetarchive.com/pdf-datasheets/Datasheets-40/DSA-795343.pdf

[dwmw2: Fix MODULE_ALIAS and linkage]
Signed-off-by: Obinou <obconseil@gmail.com>
Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 3 +++
 drivers/mtd/chips/gen_probe.c       | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index cd905a1c0d2..d81079ef91a 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -489,8 +489,10 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 
 	return cfi_amdstd_setup(mtd);
 }
+struct mtd_info *cfi_cmdset_0006(struct map_info *map, int primary) __attribute__((alias("cfi_cmdset_0002")));
 struct mtd_info *cfi_cmdset_0701(struct map_info *map, int primary) __attribute__((alias("cfi_cmdset_0002")));
 EXPORT_SYMBOL_GPL(cfi_cmdset_0002);
+EXPORT_SYMBOL_GPL(cfi_cmdset_0006);
 EXPORT_SYMBOL_GPL(cfi_cmdset_0701);
 
 static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
@@ -2042,4 +2044,5 @@ static void cfi_amdstd_destroy(struct mtd_info *mtd)
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Crossnet Co. <info@crossnet.co.jp> et al.");
 MODULE_DESCRIPTION("MTD chip driver for AMD/Fujitsu flash chips");
+MODULE_ALIAS("cfi_cmdset_0006");
 MODULE_ALIAS("cfi_cmdset_0701");
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index 75a8f9db8e4..3b9a2843c5f 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -249,6 +249,7 @@ static struct mtd_info *check_cmd_set(struct map_info *map, int primary)
 #ifdef CONFIG_MTD_CFI_AMDSTD
 	case P_ID_AMD_STD:
 	case P_ID_SST_OLD:
+	case P_ID_WINBOND:
 		return cfi_cmdset_0002(map, primary);
 #endif
 #ifdef CONFIG_MTD_CFI_STAA

From d22ae836d65f5b59ca91a14a7694e2b643c6cf63 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Mon, 10 May 2010 14:29:14 -0700
Subject: [PATCH 2322/3638] omap1: amsdelta: defconfig updates

The patch provides the following ams_delta_defconfig updates:
- explicitly select preemptable RCU,
- replace outdated CONFIG_LBD and CONFIG_LSF options with CONFIG_LBDAF,
- activate support for LCD contrast setting (new in 2.6.34),
- turn off verbose bug reporting for smaller kernel.

Created and tested against linux-2.6.34-rc3.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/ams_delta_defconfig | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/arm/configs/ams_delta_defconfig b/arch/arm/configs/ams_delta_defconfig
index 3b3a3775bbf..1d0e8926a2f 100644
--- a/arch/arm/configs/ams_delta_defconfig
+++ b/arch/arm/configs/ams_delta_defconfig
@@ -47,6 +47,7 @@ CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_TASKSTATS is not set
 # CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
+CONFIG_TREE_PREEMPT_RCU=y
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_SYSFS_DEPRECATED=y
@@ -95,9 +96,8 @@ CONFIG_KMOD=y
 # Block layer
 #
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
 
 #
 # IO Schedulers
@@ -835,7 +835,8 @@ CONFIG_DAB=y
 #
 # Graphics support
 #
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=y
 
 #
 # Display device support
@@ -1283,7 +1284,7 @@ CONFIG_DEBUG_PREEMPT=y
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
-CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set

From 39ecc703d19da2e40296d84d487f843c03f82d25 Mon Sep 17 00:00:00 2001
From: Viral Mehta <viral.mehta@lntinfotech.com>
Date: Mon, 10 May 2010 14:29:15 -0700
Subject: [PATCH 2323/3638] omap2: Add I2C bus 1 initialisation for 2430sdp

Initialize isp1301 FS USB transceiver and
add I2C bus1 initialization code for OMAP2430 SDP

Signed-off-by: Viral Mehta <viral.mehta@lntinfotech.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-2430sdp.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 01d113ff9fc..85f5f33bed2 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -174,9 +174,18 @@ static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
 	},
 };
 
+static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("isp1301_omap", 0x2D),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = OMAP_GPIO_IRQ(78),
+	},
+};
+
 static int __init omap2430_i2c_init(void)
 {
-	omap_register_i2c_bus(1, 400, NULL, 0);
+	omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
+			ARRAY_SIZE(sdp2430_i2c1_boardinfo));
 	omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
 			ARRAY_SIZE(sdp2430_i2c_boardinfo));
 	return 0;

From 9c68eb8197a07a157c72ae3f31877e53a44786c5 Mon Sep 17 00:00:00 2001
From: Viral Mehta <viral.mehta@lntinfotech.com>
Date: Mon, 10 May 2010 14:29:15 -0700
Subject: [PATCH 2324/3638] omap2: Add OHCI USB platform init for 2430 SDP

Add platform init code for OHCI USB on OMAP2430 SDP

Signed-off-by: Viral Mehta <viral.mehta@lntinfotech.com>
[tony@atomide.com: Updated subject to mention the board name]
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-2430sdp.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 85f5f33bed2..a11a575745e 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -207,6 +207,15 @@ static struct omap_musb_board_data musb_board_data = {
 	.mode			= MUSB_OTG,
 	.power			= 100,
 };
+static struct omap_usb_config sdp2430_usb_config __initdata = {
+	.otg		= 1,
+#ifdef  CONFIG_USB_GADGET_OMAP
+	.hmc_mode	= 0x0,
+#elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+	.hmc_mode	= 0x1,
+#endif
+	.pins[0]	= 3,
+};
 
 static void __init omap_2430sdp_init(void)
 {
@@ -217,6 +226,7 @@ static void __init omap_2430sdp_init(void)
 	platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 	omap_serial_init();
 	omap2_hsmmc_init(mmc);
+	omap_usb_init(&sdp2430_usb_config);
 	usb_musb_init(&musb_board_data);
 	board_smc91x_init();
 

From 4ab866d11ac14d2a55808d71d7c0ee4fea83265f Mon Sep 17 00:00:00 2001
From: Viral Mehta <viral.mehta@lntinfotech.com>
Date: Mon, 10 May 2010 14:29:15 -0700
Subject: [PATCH 2325/3638] omap2: select ARCH_OMAP_OTG for OMAP2430 SDP

Configuration for OMAP2430 should select ARCH_OMAP_OTG just like
it is done for OMAP2420

Signed-off-by: Viral Mehta <viral.mehta@lntinfotech.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 2455dcc744a..99abac2a8c5 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -10,6 +10,7 @@ config ARCH_OMAP2420
 config ARCH_OMAP2430
 	bool "OMAP2430 support"
 	depends on ARCH_OMAP2
+	select ARCH_OMAP_OTG
 
 config ARCH_OMAP3430
 	bool "OMAP3430 support"

From 018e075c19d2a640cc64a07bb90916269bed57bb Mon Sep 17 00:00:00 2001
From: Thomas Weber <weber@corscience.de>
Date: Mon, 10 May 2010 14:29:16 -0700
Subject: [PATCH 2326/3638] omap: Devkit8000: Add mux initialization

Initialize multiplexed pins with correct mode.

Signed-off-by: Thomas Weber <weber@corscience.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-devkit8000.c | 155 +++++++++++++++++++++++++
 1 file changed, 155 insertions(+)

diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 47e3af2166d..77022b58881 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -633,8 +633,163 @@ static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.reset_gpio_port[2]  = -EINVAL
 };
 
+static struct omap_board_mux board_mux[] __initdata = {
+	/* nCS and IRQ for Devkit8000 ethernet */
+	OMAP3_MUX(GPMC_NCS6, OMAP_MUX_MODE0),
+	OMAP3_MUX(ETK_D11, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
+
+	/* McSPI 2*/
+	OMAP3_MUX(MCSPI2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCSPI2_SIMO, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(MCSPI2_SOMI, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCSPI2_CS0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(MCSPI2_CS1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+
+	/* PENDOWN GPIO */
+	OMAP3_MUX(ETK_D13, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+
+	/* mUSB */
+	OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	/* USB 1 */
+	OMAP3_MUX(ETK_CTL, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_CLK, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(ETK_D8, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D9, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D0, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D1, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D2, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D4, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D5, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D6, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+	OMAP3_MUX(ETK_D7, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
+
+	/* MMC 1 */
+	OMAP3_MUX(SDMMC1_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_DAT4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_DAT5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_DAT6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(SDMMC1_DAT7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	/* McBSP 2 */
+	OMAP3_MUX(MCBSP2_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCBSP2_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCBSP2_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCBSP2_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+
+	/* I2C 1 */
+	OMAP3_MUX(I2C1_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(I2C1_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	/* I2C 2 */
+	OMAP3_MUX(I2C2_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(I2C2_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	/* I2C 3 */
+	OMAP3_MUX(I2C3_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(I2C3_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	/* I2C 4 */
+	OMAP3_MUX(I2C4_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(I2C4_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	/* serial ports */
+	OMAP3_MUX(MCBSP3_CLKX, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(MCBSP3_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+	OMAP3_MUX(UART1_TX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(UART1_RX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	/* DSS */
+	OMAP3_MUX(DSS_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_HSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_VSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_ACBIAS, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA8, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA9, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA10, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA11, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA12, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA13, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA14, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA15, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA16, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA17, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA20, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+
+	/* expansion port */
+	/* McSPI 1 */
+	OMAP3_MUX(MCSPI1_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCSPI1_SIMO, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCSPI1_SOMI, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCSPI1_CS0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
+	OMAP3_MUX(MCSPI1_CS3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
+
+	/* HDQ */
+	OMAP3_MUX(HDQ_SIO, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	/* McSPI4 */
+	OMAP3_MUX(MCBSP1_CLKR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCBSP1_DX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCBSP1_DR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCBSP1_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT_PULLUP),
+
+	/* MMC 2 */
+	OMAP3_MUX(SDMMC2_DAT4, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(SDMMC2_DAT5, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(SDMMC2_DAT6, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(SDMMC2_DAT7, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+
+	/* I2C3 */
+	OMAP3_MUX(I2C3_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+	OMAP3_MUX(I2C3_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+	OMAP3_MUX(MCBSP1_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(MCBSP1_FSR, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
+
+	OMAP3_MUX(GPMC_NCS7, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(GPMC_NCS3, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
+
+	/* TPS IRQ */
+	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_WAKEUP_EN | \
+			OMAP_PIN_INPUT_PULLUP),
+
+	{ .reg_offset = OMAP_MUX_TERMINATOR },
+};
+
 static void __init devkit8000_init(void)
 {
+	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 	omap_serial_init();
 
 	omap_dm9000_init();

From a29b8204d22c9c634841f2474c0bc327f36d7be6 Mon Sep 17 00:00:00 2001
From: Thomas Weber <weber@corscience.de>
Date: Mon, 10 May 2010 14:29:16 -0700
Subject: [PATCH 2327/3638] omap: Devkit8000: Update default configuration

This patch updates the new default configuration for the Devkit8000.

Signed-off-by: Thomas Weber <weber@corscience.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/devkit8000_defconfig | 157 +++++++++++++++-----------
 1 file changed, 91 insertions(+), 66 deletions(-)

diff --git a/arch/arm/configs/devkit8000_defconfig b/arch/arm/configs/devkit8000_defconfig
index 61a817e8cf8..c7a68202fa3 100644
--- a/arch/arm/configs/devkit8000_defconfig
+++ b/arch/arm/configs/devkit8000_defconfig
@@ -1,13 +1,14 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc6
-# Thu Feb  4 15:42:56 2010
+# Linux kernel version: 2.6.34-rc2
+# Wed Mar 24 13:27:25 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_HAVE_LATENCYTOP_SUPPORT=y
@@ -19,7 +20,9 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_ARCH_HAS_CPUFREQ=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_ARM_L1_CACHE_SHIFT_6=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 CONFIG_CONSTRUCTORS=y
@@ -60,11 +63,6 @@ CONFIG_RCU_FANOUT=32
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
@@ -96,10 +94,14 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
 # Kernel Performance Events And Counters
 #
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -170,7 +172,7 @@ CONFIG_INLINE_WRITE_UNLOCK=y
 CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
 # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
 # CONFIG_MUTEX_SPIN_ON_OWNER is not set
-# CONFIG_FREEZER is not set
+CONFIG_FREEZER=y
 
 #
 # System Type
@@ -181,6 +183,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
@@ -190,7 +193,6 @@ CONFIG_MMU=y
 # CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -207,21 +209,26 @@ CONFIG_MMU=y
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
 # CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 CONFIG_ARCH_OMAP=y
-# CONFIG_ARCH_BCMRING is not set
-# CONFIG_ARCH_U8500 is not set
 
 #
 # TI OMAP Implementations
@@ -237,16 +244,20 @@ CONFIG_ARCH_OMAP3=y
 # OMAP Feature Selections
 #
 # CONFIG_OMAP_RESET_CLOCKS is not set
-# CONFIG_OMAP_MUX is not set
+CONFIG_OMAP_MUX=y
+# CONFIG_OMAP_MUX_DEBUG is not set
+CONFIG_OMAP_MUX_WARNINGS=y
 CONFIG_OMAP_MCBSP=y
 # CONFIG_OMAP_MBOX_FWK is not set
 # CONFIG_OMAP_MPU_TIMER is not set
 CONFIG_OMAP_32K_TIMER=y
+# CONFIG_OMAP3_L2_AUX_SECURE_SAVE_RESTORE is not set
 CONFIG_OMAP_32K_TIMER_HZ=128
 CONFIG_OMAP_DM_TIMER=y
 # CONFIG_OMAP_PM_NONE is not set
 CONFIG_OMAP_PM_NOOP=y
 CONFIG_ARCH_OMAP3430=y
+CONFIG_OMAP_PACKAGE_CUS=y
 
 #
 # OMAP Board Type
@@ -295,6 +306,7 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_HAS_TLS_REG=y
 CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_430973 is not set
 # CONFIG_ARM_ERRATA_458693 is not set
 # CONFIG_ARM_ERRATA_460075 is not set
@@ -387,7 +399,14 @@ CONFIG_HAVE_AOUT=y
 #
 # Power management options
 #
-# CONFIG_PM is not set
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_APM_EMULATION is not set
+# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_OPS=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
@@ -395,7 +414,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
@@ -666,6 +684,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -717,6 +736,7 @@ CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 # CONFIG_AX88796 is not set
 # CONFIG_SMC91X is not set
+# CONFIG_TI_DAVINCI_EMAC is not set
 CONFIG_DM9000=y
 CONFIG_DM9000_DEBUGLEVEL=4
 CONFIG_DM9000_FORCE_SIMPLE_PHY_POLL=y
@@ -863,6 +883,7 @@ CONFIG_SERIAL_8250_RSA=y
 # CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
@@ -891,6 +912,7 @@ CONFIG_I2C_HELPER_AUTO=y
 # CONFIG_I2C_OCORES is not set
 CONFIG_I2C_OMAP=y
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -904,15 +926,9 @@ CONFIG_I2C_OMAP=y
 #
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 CONFIG_SPI=y
 # CONFIG_SPI_DEBUG is not set
 CONFIG_SPI_MASTER=y
@@ -944,10 +960,12 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
 #
+# CONFIG_GPIO_MAX7300 is not set
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
@@ -984,10 +1002,12 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 CONFIG_MFD_CORE=y
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_ASIC3 is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
 # CONFIG_TPS65010 is not set
 CONFIG_TWL4030_CORE=y
 CONFIG_TWL4030_POWER=y
@@ -998,22 +1018,25 @@ CONFIG_TWL4030_CODEC=y
 # CONFIG_MFD_TC6393XB is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_MFD_MC13783 is not set
 # CONFIG_AB3100_CORE is not set
 # CONFIG_EZX_PCAP is not set
-# CONFIG_MFD_88PM8607 is not set
 # CONFIG_AB4500_CORE is not set
 CONFIG_REGULATOR=y
 # CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_DUMMY is not set
 # CONFIG_REGULATOR_FIXED_VOLTAGE is not set
 # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
 # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
 # CONFIG_REGULATOR_BQ24022 is not set
 # CONFIG_REGULATOR_MAX1586 is not set
+# CONFIG_REGULATOR_MAX8649 is not set
 # CONFIG_REGULATOR_MAX8660 is not set
 CONFIG_REGULATOR_TWL4030=y
 # CONFIG_REGULATOR_LP3971 is not set
@@ -1072,7 +1095,6 @@ CONFIG_OMAP2_DSS_VENC=y
 CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=0
 CONFIG_FB_OMAP2=y
 CONFIG_FB_OMAP2_DEBUG_SUPPORT=y
-# CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE is not set
 CONFIG_FB_OMAP2_NUM_FBS=3
 
 #
@@ -1080,7 +1102,9 @@ CONFIG_FB_OMAP2_NUM_FBS=3
 #
 CONFIG_PANEL_GENERIC=y
 # CONFIG_PANEL_SHARP_LS037V7DW01 is not set
-CONFIG_PANEL_INNOLUX_AT070TN83=y
+# CONFIG_PANEL_SHARP_LQ043T1DG01 is not set
+# CONFIG_PANEL_TOPPOLY_TDO35S is not set
+# CONFIG_PANEL_TPO_TD043MTEA1 is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -1136,6 +1160,7 @@ CONFIG_SND_ARM=y
 CONFIG_SND_SPI=y
 CONFIG_SND_USB=y
 # CONFIG_SND_USB_AUDIO is not set
+# CONFIG_SND_USB_UA101 is not set
 # CONFIG_SND_USB_CAIAQ is not set
 CONFIG_SND_SOC=y
 CONFIG_SND_OMAP_SOC=y
@@ -1147,42 +1172,44 @@ CONFIG_SND_SOC_TWL4030=y
 # CONFIG_SOUND_PRIME is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-CONFIG_HIDRAW=y
+# CONFIG_HIDRAW is not set
 
 #
 # USB Input Devices
 #
 CONFIG_USB_HID=y
 # CONFIG_HID_PID is not set
-CONFIG_USB_HIDDEV=y
+# CONFIG_USB_HIDDEV is not set
 
 #
 # Special HID drivers
 #
-CONFIG_HID_A4TECH=y
-CONFIG_HID_APPLE=y
-CONFIG_HID_BELKIN=y
-CONFIG_HID_CHERRY=y
-CONFIG_HID_CHICONY=y
-CONFIG_HID_CYPRESS=y
+# CONFIG_HID_3M_PCT is not set
+# CONFIG_HID_A4TECH is not set
+# CONFIG_HID_APPLE is not set
+# CONFIG_HID_BELKIN is not set
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
+# CONFIG_HID_CYPRESS is not set
 # CONFIG_HID_DRAGONRISE is not set
-CONFIG_HID_EZKEY=y
+# CONFIG_HID_EZKEY is not set
 # CONFIG_HID_KYE is not set
-CONFIG_HID_GYRATION=y
+# CONFIG_HID_GYRATION is not set
 # CONFIG_HID_TWINHAN is not set
 # CONFIG_HID_KENSINGTON is not set
-CONFIG_HID_LOGITECH=y
-# CONFIG_LOGITECH_FF is not set
-# CONFIG_LOGIRUMBLEPAD2_FF is not set
-CONFIG_HID_MICROSOFT=y
-CONFIG_HID_MONTEREY=y
+# CONFIG_HID_LOGITECH is not set
+# CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MOSART is not set
+# CONFIG_HID_MONTEREY is not set
 # CONFIG_HID_NTRIG is not set
-CONFIG_HID_PANTHERLORD=y
-# CONFIG_PANTHERLORD_FF is not set
-CONFIG_HID_PETALYNX=y
-CONFIG_HID_SAMSUNG=y
-CONFIG_HID_SONY=y
-CONFIG_HID_SUNPLUS=y
+# CONFIG_HID_ORTEK is not set
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_QUANTA is not set
+# CONFIG_HID_SAMSUNG is not set
+# CONFIG_HID_SONY is not set
+# CONFIG_HID_STANTUM is not set
+# CONFIG_HID_SUNPLUS is not set
 # CONFIG_HID_GREENASIA is not set
 # CONFIG_HID_SMARTJOYPLUS is not set
 # CONFIG_HID_TOPSEED is not set
@@ -1193,7 +1220,7 @@ CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=y
-# CONFIG_USB_DEBUG is not set
+CONFIG_USB_DEBUG=y
 CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 
 #
@@ -1202,7 +1229,7 @@ CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 # CONFIG_USB_DEVICEFS is not set
 # CONFIG_USB_DEVICE_CLASS is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_OTG is not set
+CONFIG_USB_OTG=y
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 CONFIG_USB_MON=y
@@ -1230,15 +1257,15 @@ CONFIG_USB_MUSB_SOC=y
 #
 # OMAP 343x high speed USB support
 #
-CONFIG_USB_MUSB_HOST=y
+# CONFIG_USB_MUSB_HOST is not set
 # CONFIG_USB_MUSB_PERIPHERAL is not set
-# CONFIG_USB_MUSB_OTG is not set
-# CONFIG_USB_GADGET_MUSB_HDRC is not set
+CONFIG_USB_MUSB_OTG=y
+CONFIG_USB_GADGET_MUSB_HDRC=y
 CONFIG_USB_MUSB_HDRC_HCD=y
 # CONFIG_MUSB_PIO_ONLY is not set
 CONFIG_USB_INVENTRA_DMA=y
 # CONFIG_USB_TI_CPPI_DMA is not set
-# CONFIG_USB_MUSB_DEBUG is not set
+CONFIG_USB_MUSB_DEBUG=y
 
 #
 # USB Device Class drivers
@@ -1291,7 +1318,6 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
-# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -1304,9 +1330,8 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
 CONFIG_USB_GADGET=y
-# CONFIG_USB_GADGET_DEBUG is not set
+CONFIG_USB_GADGET_DEBUG=y
 # CONFIG_USB_GADGET_DEBUG_FILES is not set
 CONFIG_USB_GADGET_VBUS_DRAW=2
 CONFIG_USB_GADGET_SELECTED=y
@@ -1314,8 +1339,7 @@ CONFIG_USB_GADGET_SELECTED=y
 # CONFIG_USB_GADGET_ATMEL_USBA is not set
 # CONFIG_USB_GADGET_FSL_USB2 is not set
 # CONFIG_USB_GADGET_LH7A40X is not set
-CONFIG_USB_GADGET_OMAP=y
-CONFIG_USB_OMAP=y
+# CONFIG_USB_GADGET_OMAP is not set
 # CONFIG_USB_GADGET_PXA25X is not set
 # CONFIG_USB_GADGET_R8A66597 is not set
 # CONFIG_USB_GADGET_PXA27X is not set
@@ -1330,19 +1354,20 @@ CONFIG_USB_OMAP=y
 # CONFIG_USB_GADGET_GOKU is not set
 # CONFIG_USB_GADGET_LANGWELL is not set
 # CONFIG_USB_GADGET_DUMMY_HCD is not set
-# CONFIG_USB_GADGET_DUALSPEED is not set
+CONFIG_USB_GADGET_DUALSPEED=y
 # CONFIG_USB_ZERO is not set
-CONFIG_USB_AUDIO=m
-CONFIG_USB_ETH=m
-CONFIG_USB_ETH_RNDIS=y
-CONFIG_USB_ETH_EEM=y
-CONFIG_USB_GADGETFS=m
+# CONFIG_USB_AUDIO is not set
+CONFIG_USB_ETH=y
+# CONFIG_USB_ETH_RNDIS is not set
+# CONFIG_USB_ETH_EEM is not set
+# CONFIG_USB_GADGETFS is not set
 # CONFIG_USB_FILE_STORAGE is not set
 # CONFIG_USB_MASS_STORAGE is not set
-CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_G_SERIAL is not set
 # CONFIG_USB_MIDI_GADGET is not set
-CONFIG_USB_G_PRINTER=m
+# CONFIG_USB_G_PRINTER is not set
 # CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_USB_G_NOKIA is not set
 # CONFIG_USB_G_MULTI is not set
 
 #
@@ -1373,8 +1398,6 @@ CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=m
 # CONFIG_MMC_OMAP is not set
 CONFIG_MMC_OMAP_HS=y
-# CONFIG_MMC_AT91 is not set
-# CONFIG_MMC_ATMELMCI is not set
 CONFIG_MMC_SPI=m
 # CONFIG_MEMSTICK is not set
 CONFIG_NEW_LEDS=y
@@ -1392,11 +1415,11 @@ CONFIG_LEDS_GPIO_PLATFORM=y
 # CONFIG_LEDS_REGULATOR is not set
 # CONFIG_LEDS_BD2802 is not set
 # CONFIG_LEDS_LT3593 is not set
+CONFIG_LEDS_TRIGGERS=y
 
 #
 # LED Triggers
 #
-CONFIG_LEDS_TRIGGERS=y
 # CONFIG_LEDS_TRIGGER_TIMER is not set
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 # CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
@@ -1580,6 +1603,7 @@ CONFIG_UBIFS_FS=y
 CONFIG_UBIFS_FS_LZO=y
 CONFIG_UBIFS_FS_ZLIB=y
 # CONFIG_UBIFS_FS_DEBUG is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
@@ -1606,6 +1630,7 @@ CONFIG_SUNRPC_GSS=y
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set

From 917336318ef1c2520b6898113dade12c401ea1a0 Mon Sep 17 00:00:00 2001
From: Sriram <srk@ti.com>
Date: Mon, 10 May 2010 14:29:16 -0700
Subject: [PATCH 2328/3638] can: ti_hecc: board specific hookup on AM3517EVM

Add board specific hookup for TI HECC driver on
AM3517 EVM

Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-am3517evm.c     | 38 +++++++++++++++++++++++
 arch/arm/mach-omap2/include/mach/am35xx.h |  9 ++++++
 2 files changed, 47 insertions(+)

diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index c1c4389fbd8..6ca0075026f 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -21,6 +21,7 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/i2c/pca953x.h>
+#include <linux/can/platform/ti_hecc.h>
 
 #include <mach/hardware.h>
 #include <mach/am35xx.h>
@@ -292,6 +293,42 @@ static struct omap_board_mux board_mux[] __initdata = {
 #define board_mux	NULL
 #endif
 
+
+static struct resource am3517_hecc_resources[] = {
+	{
+		.start	= AM35XX_IPSS_HECC_BASE,
+		.end	= AM35XX_IPSS_HECC_BASE + 0x3FFF,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_35XX_HECC0_IRQ,
+		.end	= INT_35XX_HECC0_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device am3517_hecc_device = {
+	.name		= "ti_hecc",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(am3517_hecc_resources),
+	.resource	= am3517_hecc_resources,
+};
+
+static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
+	.scc_hecc_offset	= AM35XX_HECC_SCC_HECC_OFFSET,
+	.scc_ram_offset		= AM35XX_HECC_SCC_RAM_OFFSET,
+	.hecc_ram_offset	= AM35XX_HECC_RAM_OFFSET,
+	.mbx_offset		= AM35XX_HECC_MBOX_OFFSET,
+	.int_line		= AM35XX_HECC_INT_LINE,
+	.version		= AM35XX_HECC_VERSION,
+};
+
+static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
+{
+	am3517_hecc_device.dev.platform_data = pdata;
+	platform_device_register(&am3517_hecc_device);
+}
+
 static void __init am3517_evm_init(void)
 {
 	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
@@ -305,6 +342,7 @@ static void __init am3517_evm_init(void)
 	/* Configure GPIO for EHCI port */
 	omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
 	usb_ehci_init(&ehci_pdata);
+	am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
 	/* DSS */
 	am3517_evm_display_init();
 
diff --git a/arch/arm/mach-omap2/include/mach/am35xx.h b/arch/arm/mach-omap2/include/mach/am35xx.h
index a705f946fc4..0636263c2e7 100644
--- a/arch/arm/mach-omap2/include/mach/am35xx.h
+++ b/arch/arm/mach-omap2/include/mach/am35xx.h
@@ -23,4 +23,13 @@
 #define AM35XX_IPSS_HECC_BASE		0x5C050000
 #define AM35XX_IPSS_VPFE_BASE		0x5C060000
 
+
+/* HECC module specifc offset definitions */
+#define AM35XX_HECC_SCC_HECC_OFFSET	(0x0)
+#define AM35XX_HECC_SCC_RAM_OFFSET	(0x3000)
+#define AM35XX_HECC_RAM_OFFSET		(0x3000)
+#define AM35XX_HECC_MBOX_OFFSET		(0x2000)
+#define AM35XX_HECC_INT_LINE		(0x0)
+#define AM35XX_HECC_VERSION		(0x1)
+
 #endif /*  __ASM_ARCH_AM35XX_H */

From e72b9b807247ea8e1e5c457b8c30d5ae9d53fedc Mon Sep 17 00:00:00 2001
From: Sriram <srk@ti.com>
Date: Mon, 10 May 2010 14:29:16 -0700
Subject: [PATCH 2329/3638] can: ti_hecc: Enable CAN support on AM3517

Modify the default kernel configuration on AM3517 to enable CAN.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/am3517_evm_defconfig | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/arch/arm/configs/am3517_evm_defconfig b/arch/arm/configs/am3517_evm_defconfig
index 66a10b50d93..c151d6e7c09 100644
--- a/arch/arm/configs/am3517_evm_defconfig
+++ b/arch/arm/configs/am3517_evm_defconfig
@@ -422,15 +422,29 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
-# CONFIG_CAN is not set
+CONFIG_CAN=y
+CONFIG_CAN_RAW=y
+CONFIG_CAN_BCM=y
+
+#
+# CAN Device Drivers
+#
+CONFIG_CAN_VCAN=y
+CONFIG_CAN_DEV=y
+CONFIG_CAN_CALC_BITTIMING=y
+CONFIG_CAN_TI_HECC=y
+# CONFIG_CAN_SJA1000 is not set
+
+#
+# CAN USB interfaces
+#
+# CONFIG_CAN_EMS_USB is not set
+CONFIG_CAN_DEBUG_DEVICES=y
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
 CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
-CONFIG_CFG80211_DEFAULT_PS_VALUE=0
-# CONFIG_WIRELESS_OLD_REGULATORY is not set
-# CONFIG_WIRELESS_EXT is not set
 # CONFIG_LIB80211 is not set
 
 #

From 39e799df2f504a160852342109d228abfe75fede Mon Sep 17 00:00:00 2001
From: Sriram <srk@ti.com>
Date: Mon, 10 May 2010 14:29:17 -0700
Subject: [PATCH 2330/3638] AM35xx EMAC: define submodule offsets

Define offsets for EMAC sub modules.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/include/mach/am35xx.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/include/mach/am35xx.h b/arch/arm/mach-omap2/include/mach/am35xx.h
index 0636263c2e7..f1e13d1ca5e 100644
--- a/arch/arm/mach-omap2/include/mach/am35xx.h
+++ b/arch/arm/mach-omap2/include/mach/am35xx.h
@@ -32,4 +32,13 @@
 #define AM35XX_HECC_INT_LINE		(0x0)
 #define AM35XX_HECC_VERSION		(0x1)
 
-#endif /*  __ASM_ARCH_AM35XX_H */
+#define AM35XX_EMAC_CNTRL_OFFSET	(0x10000)
+#define AM35XX_EMAC_CNTRL_MOD_OFFSET	(0x0)
+#define AM35XX_EMAC_CNTRL_RAM_OFFSET	(0x20000)
+#define AM35XX_EMAC_MDIO_OFFSET		(0x30000)
+#define AM35XX_EMAC_CNTRL_RAM_SIZE	(0x2000)
+#define AM35XX_EMAC_RAM_ADDR		(AM3517_EMAC_BASE + \
+						AM3517_EMAC_CNTRL_RAM_OFFSET)
+#define AM35XX_EMAC_HW_RAM_ADDR		(0x01E20000)
+
+#endif  /*  __ASM_ARCH_AM35XX_H */

From 56881d28b2eed78665daa1d680014e9ebaf8c0e3 Mon Sep 17 00:00:00 2001
From: Sriram <srk@ti.com>
Date: Mon, 10 May 2010 14:29:17 -0700
Subject: [PATCH 2331/3638] AM35xx: Platform specific hookup for EMAC module

Modified AM35xx EVM init sequence to handle EMAC
initialization.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-am3517evm.c | 98 +++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)

diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 6ca0075026f..02e209743e1 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -22,6 +22,7 @@
 #include <linux/gpio.h>
 #include <linux/i2c/pca953x.h>
 #include <linux/can/platform/ti_hecc.h>
+#include <linux/davinci_emac.h>
 
 #include <mach/hardware.h>
 #include <mach/am35xx.h>
@@ -31,11 +32,106 @@
 
 #include <plat/board.h>
 #include <plat/common.h>
+#include <plat/control.h>
 #include <plat/usb.h>
 #include <plat/display.h>
 
 #include "mux.h"
 
+#define AM35XX_EVM_PHY_MASK		(0xF)
+#define AM35XX_EVM_MDIO_FREQUENCY	(1000000)
+
+static struct emac_platform_data am3517_evm_emac_pdata = {
+	.phy_mask	= AM35XX_EVM_PHY_MASK,
+	.mdio_max_freq	= AM35XX_EVM_MDIO_FREQUENCY,
+	.rmii_en	= 1,
+};
+
+static struct resource am3517_emac_resources[] = {
+	{
+		.start  = AM35XX_IPSS_EMAC_BASE,
+		.end    = AM35XX_IPSS_EMAC_BASE + 0x3FFFF,
+		.flags  = IORESOURCE_MEM,
+	},
+	{
+		.start  = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
+		.end    = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
+		.flags  = IORESOURCE_IRQ,
+	},
+	{
+		.start  = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
+		.end    = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
+		.flags  = IORESOURCE_IRQ,
+	},
+	{
+		.start  = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
+		.end    = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
+		.flags  = IORESOURCE_IRQ,
+	},
+	{
+		.start  = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
+		.end    = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device am3517_emac_device = {
+	.name		= "davinci_emac",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(am3517_emac_resources),
+	.resource	= am3517_emac_resources,
+};
+
+static void am3517_enable_ethernet_int(void)
+{
+	u32 regval;
+
+	regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+	regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR |
+		AM35XX_CPGMAC_C0_TX_PULSE_CLR |
+		AM35XX_CPGMAC_C0_MISC_PULSE_CLR |
+		AM35XX_CPGMAC_C0_RX_THRESH_CLR);
+	omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
+	regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+}
+
+static void am3517_disable_ethernet_int(void)
+{
+	u32 regval;
+
+	regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+	regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR |
+		AM35XX_CPGMAC_C0_TX_PULSE_CLR);
+	omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
+	regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+}
+
+void am3517_evm_ethernet_init(struct emac_platform_data *pdata)
+{
+	unsigned int regval;
+
+	pdata->ctrl_reg_offset		= AM35XX_EMAC_CNTRL_OFFSET;
+	pdata->ctrl_mod_reg_offset	= AM35XX_EMAC_CNTRL_MOD_OFFSET;
+	pdata->ctrl_ram_offset		= AM35XX_EMAC_CNTRL_RAM_OFFSET;
+	pdata->mdio_reg_offset		= AM35XX_EMAC_MDIO_OFFSET;
+	pdata->ctrl_ram_size		= AM35XX_EMAC_CNTRL_RAM_SIZE;
+	pdata->version			= EMAC_VERSION_2;
+	pdata->hw_ram_addr		= AM35XX_EMAC_HW_RAM_ADDR;
+	pdata->interrupt_enable		= am3517_enable_ethernet_int;
+	pdata->interrupt_disable	= am3517_disable_ethernet_int;
+	am3517_emac_device.dev.platform_data	= pdata;
+	platform_device_register(&am3517_emac_device);
+
+	regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
+	regval = regval & (~(AM35XX_CPGMACSS_SW_RST));
+	omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET);
+	regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
+
+	return ;
+}
+
+
+
 #define LCD_PANEL_PWR		176
 #define LCD_PANEL_BKLIGHT_PWR	182
 #define LCD_PANEL_PWM		181
@@ -351,6 +447,8 @@ static void __init am3517_evm_init(void)
 
 	i2c_register_board_info(1, am3517evm_i2c_boardinfo,
 				ARRAY_SIZE(am3517evm_i2c_boardinfo));
+	/*Ethernet*/
+	am3517_evm_ethernet_init(&am3517_evm_emac_pdata);
 }
 
 static void __init am3517_evm_map_io(void)

From b98dd73c6cd13ff9a5576a845ca9c1e359fdb7d0 Mon Sep 17 00:00:00 2001
From: Sriram <srk@ti.com>
Date: Mon, 10 May 2010 14:29:17 -0700
Subject: [PATCH 2332/3638] OMAP3: clock data: Update name string for EMAC
 clocks

The emac driver currently uses Davinci clock names for the module and phy
clocks. Updated the omap3xxx_clks table to match the names
used by the Davinci emac driver.

Note that eventually the EMAC clocks should be renamed to be generic.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: updated patch description to match the patch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/clock3xxx_data.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 9cba5560519..6905eb7aa67 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3472,8 +3472,8 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK(NULL,	"ipss_ick",	&ipss_ick,	CK_AM35XX),
 	CLK(NULL,	"rmii_ck",	&rmii_ck,	CK_AM35XX),
 	CLK(NULL,	"pclk_ck",	&pclk_ck,	CK_AM35XX),
-	CLK("davinci_emac",	"ick",		&emac_ick,	CK_AM35XX),
-	CLK("davinci_emac",	"fck",		&emac_fck,	CK_AM35XX),
+	CLK("davinci_emac",	"emac_clk",	&emac_ick,	CK_AM35XX),
+	CLK("davinci_emac",	"phy_clk",	&emac_fck,	CK_AM35XX),
 	CLK("vpfe-capture",	"master",	&vpfe_ick,	CK_AM35XX),
 	CLK("vpfe-capture",	"slave",	&vpfe_fck,	CK_AM35XX),
 	CLK("musb_hdrc",	"ick",		&hsotgusb_ick_am35xx,	CK_AM35XX),

From 38e473a84ecfe30c03eb68244533cc26cd52c06c Mon Sep 17 00:00:00 2001
From: Sriram <srk@ti.com>
Date: Mon, 10 May 2010 14:29:18 -0700
Subject: [PATCH 2333/3638] AM3517: defconfig update to enable EMAC support

Update the default configuration for AM3517EVM to enable
support for EMAC peripheral.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/am3517_evm_defconfig | 70 ++++++++++++++++++++++++++-
 1 file changed, 69 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/am3517_evm_defconfig b/arch/arm/configs/am3517_evm_defconfig
index c151d6e7c09..232f8eeb72e 100644
--- a/arch/arm/configs/am3517_evm_defconfig
+++ b/arch/arm/configs/am3517_evm_defconfig
@@ -531,7 +531,75 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_OSD_INITIATOR is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
-# CONFIG_NETDEVICES is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+CONFIG_TI_DAVINCI_EMAC=y
+# CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
 # CONFIG_ISDN is not set
 # CONFIG_PHONE is not set
 

From 5c9a29ede210b59321a65bd692b7c37b758943e6 Mon Sep 17 00:00:00 2001
From: Steve Sakoman <steve@sakoman.com>
Date: Mon, 10 May 2010 14:29:18 -0700
Subject: [PATCH 2334/3638] omap: Overo: Add support for second ethernet port

Some Overo add-on boards include a second ethernet port.  This patch
adds support for that second port.

Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-overo.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 8848c7c5ce4..79ac41400c2 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -63,6 +63,8 @@
 
 #define OVERO_SMSC911X_CS      5
 #define OVERO_SMSC911X_GPIO    176
+#define OVERO_SMSC911X2_CS     4
+#define OVERO_SMSC911X2_GPIO   65
 
 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
 	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
@@ -137,6 +139,16 @@ static struct resource overo_smsc911x_resources[] = {
 	},
 };
 
+static struct resource overo_smsc911x2_resources[] = {
+	{
+		.name	= "smsc911x2-memory",
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+	},
+};
+
 static struct smsc911x_platform_config overo_smsc911x_config = {
 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
@@ -146,7 +158,7 @@ static struct smsc911x_platform_config overo_smsc911x_config = {
 
 static struct platform_device overo_smsc911x_device = {
 	.name		= "smsc911x",
-	.id		= -1,
+	.id		= 0,
 	.num_resources	= ARRAY_SIZE(overo_smsc911x_resources),
 	.resource	= overo_smsc911x_resources,
 	.dev		= {

From f2add1de55d577b9babe4812a710affb903b366b Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jhnikula@gmail.com>
Date: Mon, 10 May 2010 14:29:18 -0700
Subject: [PATCH 2335/3638] omap: rx51: Change the TWL4030 VMMC2 voltage
 constraints andsupply name

I believe the VMMC2 constraints must be the same than with VAUX3. Older
boards are using TWL4030 VMMC2 supply for internal MMC whereas newer are
using VAUX3 that has more limited constraints defined in this same file.

More over, the VMMC2 supply is used also for analog audio domain and the
miminum analog voltage of the TLV320AIC34 codec is 2.7 V.

To combine these two facts, the patch changes supply name to V28_A as the
newer boards register VMMC2_30 for VAUX3 and uses the same constraints than
VAUX3 since those constraints are ok for the TLV320AIC34.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-rx51-peripherals.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 4377a4cf36e..b803f47792a 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -370,9 +370,9 @@ static struct regulator_init_data rx51_vmmc1 = {
 
 static struct regulator_init_data rx51_vmmc2 = {
 	.constraints = {
-		.name			= "VMMC2_30",
-		.min_uV			= 1850000,
-		.max_uV			= 3150000,
+		.name			= "V28_A",
+		.min_uV			= 2800000,
+		.max_uV			= 3000000,
 		.apply_uV		= true,
 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 					| REGULATOR_MODE_STANDBY,

From dabe929b590c0139aa5a18994d953a9eb201d626 Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jhnikula@gmail.com>
Date: Mon, 10 May 2010 14:29:18 -0700
Subject: [PATCH 2336/3638] omap: rx51: Add i2c2 board_info with tlv320aic3x

This makes possible to probe the audio codec and add another i2c2
components in the future.

Fix also indentation for the first omap_register_i2c_bus.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-rx51-peripherals.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index b803f47792a..3addfe64662 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -629,6 +629,12 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
 	},
 };
 
+static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_2[] = {
+	{
+		I2C_BOARD_INFO("tlv320aic3x", 0x18),
+	},
+};
+
 static int __init rx51_i2c_init(void)
 {
 	if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
@@ -639,8 +645,9 @@ static int __init rx51_i2c_init(void)
 		rx51_twldata.vmmc2 = &rx51_vmmc2;
 	}
 	omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1,
-			ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
-	omap_register_i2c_bus(2, 100, NULL, 0);
+			      ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
+	omap_register_i2c_bus(2, 100, rx51_peripherals_i2c_board_info_2,
+			      ARRAY_SIZE(rx51_peripherals_i2c_board_info_2));
 	omap_register_i2c_bus(3, 400, NULL, 0);
 	return 0;
 }

From 4cfcaef11fd32a27cee1bb5b7fcb741003db84a2 Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jhnikula@gmail.com>
Date: Mon, 10 May 2010 14:29:19 -0700
Subject: [PATCH 2337/3638] omap: rx51: Add supplies for the tlv320aic3x codec
 driver

Upcoming change to tlv320aic3x codec driver require four supplies.
Implement this by connecting analogic supplies to TWL4030 VMMC2 and digital
supplies to TWL4030 VIO.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-rx51-peripherals.c | 60 +++++++++++++++++---
 1 file changed, 53 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 3addfe64662..8179d55106d 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -277,7 +277,7 @@ static struct regulator_consumer_supply rx51_vmmc1_supply = {
 	.dev_name = "mmci-omap-hs.0",
 };
 
-static struct regulator_consumer_supply rx51_vmmc2_supply = {
+static struct regulator_consumer_supply rx51_vaux3_supply = {
 	.supply   = "vmmc",
 	.dev_name = "mmci-omap-hs.1",
 };
@@ -287,6 +287,35 @@ static struct regulator_consumer_supply rx51_vsim_supply = {
 	.dev_name = "mmci-omap-hs.1",
 };
 
+static struct regulator_consumer_supply rx51_vmmc2_supplies[] = {
+	/* tlv320aic3x analog supplies */
+	{
+		.supply		= "AVDD",
+		.dev_name	= "2-0018",
+	},
+	{
+		.supply		= "DRVDD",
+		.dev_name	= "2-0018",
+	},
+	/* Keep vmmc as last item. It is not iterated for newer boards */
+	{
+		.supply		= "vmmc",
+		.dev_name	= "mmci-omap-hs.1",
+	},
+};
+
+static struct regulator_consumer_supply rx51_vio_supplies[] = {
+	/* tlv320aic3x digital supplies */
+	{
+		.supply		= "IOVDD",
+		.dev_name	= "2-0018"
+	},
+	{
+		.supply		= "DVDD",
+		.dev_name	= "2-0018"
+	},
+};
+
 static struct regulator_init_data rx51_vaux1 = {
 	.constraints = {
 		.name			= "V28",
@@ -338,7 +367,7 @@ static struct regulator_init_data rx51_vaux3_mmc = {
 					| REGULATOR_CHANGE_STATUS,
 	},
 	.num_consumer_supplies	= 1,
-	.consumer_supplies	= &rx51_vmmc2_supply,
+	.consumer_supplies	= &rx51_vaux3_supply,
 };
 
 static struct regulator_init_data rx51_vaux4 = {
@@ -380,8 +409,8 @@ static struct regulator_init_data rx51_vmmc2 = {
 					| REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
-	.num_consumer_supplies	= 1,
-	.consumer_supplies	= &rx51_vmmc2_supply,
+	.num_consumer_supplies	= ARRAY_SIZE(rx51_vmmc2_supplies),
+	.consumer_supplies	= rx51_vmmc2_supplies,
 };
 
 static struct regulator_init_data rx51_vsim = {
@@ -411,6 +440,20 @@ static struct regulator_init_data rx51_vdac = {
 	},
 };
 
+static struct regulator_init_data rx51_vio = {
+	.constraints = {
+		.min_uV			= 1800000,
+		.max_uV			= 1800000,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(rx51_vio_supplies),
+	.consumer_supplies	= rx51_vio_supplies,
+};
+
 static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
 {
 	/* FIXME this gpio setup is just a placeholder for now */
@@ -618,6 +661,7 @@ static struct twl4030_platform_data rx51_twldata __initdata = {
 	.vmmc1			= &rx51_vmmc1,
 	.vsim			= &rx51_vsim,
 	.vdac			= &rx51_vdac,
+	.vio			= &rx51_vio,
 };
 
 static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
@@ -638,12 +682,14 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_2[] = {
 static int __init rx51_i2c_init(void)
 {
 	if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
-	    system_rev >= SYSTEM_REV_B_USES_VAUX3)
+	    system_rev >= SYSTEM_REV_B_USES_VAUX3) {
 		rx51_twldata.vaux3 = &rx51_vaux3_mmc;
-	else {
+		/* Only older boards use VMMC2 for internal MMC */
+		rx51_vmmc2.num_consumer_supplies--;
+	} else {
 		rx51_twldata.vaux3 = &rx51_vaux3_cam;
-		rx51_twldata.vmmc2 = &rx51_vmmc2;
 	}
+	rx51_twldata.vmmc2 = &rx51_vmmc2;
 	omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1,
 			      ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
 	omap_register_i2c_bus(2, 100, rx51_peripherals_i2c_board_info_2,

From de997718b64df2f766736f23f8557da450b83a25 Mon Sep 17 00:00:00 2001
From: Ajay Kumar Gupta <ajay.gupta@ti.com>
Date: Mon, 10 May 2010 14:29:19 -0700
Subject: [PATCH 2338/3638] AM35x: fix UI card EHCI port and LCD dependency

EHCI port on UI card and LCD share two pins (GPIO 181 and 182) thus
they have to be mutually exclusive.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-am3517evm.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 02e209743e1..19b9e415710 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -216,6 +216,8 @@ static int __init am3517_evm_i2c_init(void)
 static int lcd_enabled;
 static int dvi_enabled;
 
+#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
+		defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
 static void __init am3517_evm_display_init(void)
 {
 	int r;
@@ -259,6 +261,9 @@ err_2:
 err_1:
 	gpio_free(LCD_PANEL_BKLIGHT_PWR);
 }
+#else
+static void __init am3517_evm_display_init(void) {}
+#endif
 
 static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
 {
@@ -372,7 +377,12 @@ static void __init am3517_evm_init_irq(void)
 
 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
+#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
+		defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
+	.port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+#else
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
+#endif
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 
 	.phy_reset  = true,

From 754b8e653412106ff613f4750b197f807fcd8347 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Thu, 20 May 2010 11:02:43 -0700
Subject: [PATCH 2339/3638] OMAP1: Amstrad Delta: modify defconfig for external
 keyboardsupport

The patch adds a CONFIG directive required for supporting the Amstrad Delta
connected external keyboard by default.

Created and tested against linux-omap master,
commit 104a77440f05430f29f9d3f4ecb88c1536819585 dated 2010-04-27.

Works on top of PATCH v4 4/5(7), "input: serio: add support for Amstrad Delta
serial keyboard port".

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/ams_delta_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/ams_delta_defconfig b/arch/arm/configs/ams_delta_defconfig
index 3b3a3775bbf..ecf45fbff95 100644
--- a/arch/arm/configs/ams_delta_defconfig
+++ b/arch/arm/configs/ams_delta_defconfig
@@ -699,6 +699,7 @@ CONFIG_SERIO=y
 CONFIG_SERIO_SERPORT=y
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
+CONFIG_SERIO_AMS_DELTA=y
 # CONFIG_GAMEPORT is not set
 
 #

From 0581b52e898f3f5472820940537d91d80895db5a Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Wed, 12 May 2010 11:48:47 +0300
Subject: [PATCH 2340/3638] OMAP: RX51: Add "vdds_sdi" supply voltage for SDI

The SDI Display subsystem needs access to the vdds_sdi supply
regulator. This is TWL4030's VAUX1 supply on RX-51.

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 arch/arm/mach-omap2/board-rx51-peripherals.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 8179d55106d..966f5f84f2b 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -316,6 +316,19 @@ static struct regulator_consumer_supply rx51_vio_supplies[] = {
 	},
 };
 
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+extern struct platform_device rx51_display_device;
+#endif
+
+static struct regulator_consumer_supply rx51_vaux1_consumers[] = {
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+	{
+		.supply	= "vdds_sdi",
+		.dev	= &rx51_display_device.dev,
+	},
+#endif
+};
+
 static struct regulator_init_data rx51_vaux1 = {
 	.constraints = {
 		.name			= "V28",
@@ -326,6 +339,8 @@ static struct regulator_init_data rx51_vaux1 = {
 		.valid_ops_mask		= REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
+	.num_consumer_supplies	= ARRAY_SIZE(rx51_vaux1_consumers),
+	.consumer_supplies	= rx51_vaux1_consumers,
 };
 
 static struct regulator_init_data rx51_vaux2 = {

From ada8d4a5e2ed9de8a5a58788c4b6a4c8103e0f8d Mon Sep 17 00:00:00 2001
From: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Date: Fri, 14 May 2010 12:05:25 -0700
Subject: [PATCH 2341/3638] OMAP2/3/4: DMA: disable channel interrupts in
 omap_init_dma()

If we are softbooting another kernel using kexec, DMA controller state is not
known when we are performing omap_init_dma(). It is possible that some DMA
channels are already active. For example after kexec we get:

<4>IRQ 0020 for non-allocated DMAchannel 5
<4>IRQ 0020 for non-allocated DMAchannel 5
<4>IRQ 0020 for non-allocated DMAchannel 5
<4>IRQ 0020 for non-allocated DMAchannel 5
<4>IRQ 0020 for non-allocated DMAchannel 5

To prevent any weird things happening, we disable all channel interrupts during
init.

Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/dma.c | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 1d959965ff5..ad42ec3592e 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -709,6 +709,21 @@ static inline void omap2_enable_irq_lch(int lch)
 	spin_unlock_irqrestore(&dma_chan_lock, flags);
 }
 
+static inline void omap2_disable_irq_lch(int lch)
+{
+	u32 val;
+	unsigned long flags;
+
+	if (!cpu_class_is_omap2())
+		return;
+
+	spin_lock_irqsave(&dma_chan_lock, flags);
+	val = dma_read(IRQENABLE_L0);
+	val &= ~(1 << lch);
+	dma_write(val, IRQENABLE_L0);
+	spin_unlock_irqrestore(&dma_chan_lock, flags);
+}
+
 int omap_request_dma(int dev_id, const char *dev_name,
 		     void (*callback)(int lch, u16 ch_status, void *data),
 		     void *data, int *dma_ch_out)
@@ -807,14 +822,7 @@ void omap_free_dma(int lch)
 	}
 
 	if (cpu_class_is_omap2()) {
-		u32 val;
-
-		spin_lock_irqsave(&dma_chan_lock, flags);
-		/* Disable interrupts */
-		val = dma_read(IRQENABLE_L0);
-		val &= ~(1 << lch);
-		dma_write(val, IRQENABLE_L0);
-		spin_unlock_irqrestore(&dma_chan_lock, flags);
+		omap2_disable_irq_lch(lch);
 
 		/* Clear the CSR register and IRQ status register */
 		dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(lch));
@@ -2107,6 +2115,9 @@ static int __init omap_init_dma(void)
 
 	for (ch = 0; ch < dma_chan_count; ch++) {
 		omap_clear_dma(ch);
+		if (cpu_class_is_omap2())
+			omap2_disable_irq_lch(ch);
+
 		dma_chan[ch].dev_id = -1;
 		dma_chan[ch].next_lch = -1;
 

From ea221a6ae73c7696c60a52aefd8a7af0bb47033a Mon Sep 17 00:00:00 2001
From: manjugk manjugk <manjugk@ti.com>
Date: Fri, 14 May 2010 12:05:25 -0700
Subject: [PATCH 2342/3638] omap: DMA: Fix multi-line comments

Multi line comments are fixed as per CodingStyle
guidelines.

Cc: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Manjunatha GK <manjugk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/dma.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index ad42ec3592e..f7f571e7987 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -501,7 +501,8 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
 			burst = 0x2;
 			break;
 		}
-		/* not supported by current hardware on OMAP1
+		/*
+		 * not supported by current hardware on OMAP1
 		 * w |= (0x03 << 7);
 		 * fall through
 		 */
@@ -510,7 +511,8 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
 			burst = 0x3;
 			break;
 		}
-		/* OMAP1 don't support burst 16
+		/*
+		 * OMAP1 don't support burst 16
 		 * fall through
 		 */
 	default:
@@ -604,7 +606,8 @@ void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
 			burst = 0x3;
 			break;
 		}
-		/* OMAP1 don't support burst 16
+		/*
+		 * OMAP1 don't support burst 16
 		 * fall through
 		 */
 	default:
@@ -1285,8 +1288,10 @@ int omap_request_dma_chain(int dev_id, const char *dev_name,
 		return -EINVAL;
 	}
 
-	/* Allocate a queue to maintain the status of the channels
-	 * in the chain */
+	/*
+	 * Allocate a queue to maintain the status of the channels
+	 * in the chain
+	 */
 	channels = kmalloc(sizeof(*channels) * no_of_chans, GFP_KERNEL);
 	if (channels == NULL) {
 		printk(KERN_ERR "omap_dma: No memory for channel queue\n");
@@ -1915,7 +1920,8 @@ static int omap2_dma_handle_ch(int ch)
 		printk(KERN_INFO "DMA transaction error with device %d\n",
 		       dma_chan[ch].dev_id);
 		if (cpu_class_is_omap2()) {
-			/* Errata: sDMA Channel is not disabled
+			/*
+			 * Errata: sDMA Channel is not disabled
 			 * after a transaction error. So we explicitely
 			 * disable the channel
 			 */

From ed8303fc111e58530e22bd29b0d7e08dced75999 Mon Sep 17 00:00:00 2001
From: "stanley.miao" <stanley.miao@windriver.com>
Date: Thu, 13 May 2010 12:39:30 +0000
Subject: [PATCH 2343/3638] omap: init the gpio pinmux for mmc

There is two gpio for mmc use, one is for card detecting, another is
used for checking write protect. Intialize its pinmux in case the bootloader
doesn't set it.

Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/devices.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 10f3a3c58cc..3d30f22c4c8 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -591,6 +591,15 @@ static inline void omap_hsmmc_reset(void) {}
 static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 			int controller_nr)
 {
+	if ((mmc_controller->slots[0].switch_pin > 0) && \
+		(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
+		omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
+					OMAP_PIN_INPUT_PULLUP);
+	if ((mmc_controller->slots[0].gpio_wp > 0) && \
+		(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
+		omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
+					OMAP_PIN_INPUT_PULLUP);
+
 	if (cpu_is_omap2420() && controller_nr == 0) {
 		omap_cfg_reg(H18_24XX_MMC_CMD);
 		omap_cfg_reg(H15_24XX_MMC_CLKI);

From 03e7e170d6fdc5b6f75d1ab2cc1a6cb4f2b6b8c4 Mon Sep 17 00:00:00 2001
From: "stanley.miao" <stanley.miao@windriver.com>
Date: Thu, 13 May 2010 12:39:31 +0000
Subject: [PATCH 2344/3638] omap: hsmmc: fix the hsmmc driver for am3517

AM3517 don't have the register OMAP343X_CONTROL_PBIAS_LITE and the regulators
like "vmmc", so we set a noop "set_power" function for it.

Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/hsmmc.c           | 27 +++++++++++++++++++++------
 arch/arm/plat-omap/include/plat/mmc.h |  4 ++++
 2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 9ad229594b4..2d36f3afbd4 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -139,6 +139,12 @@ static void hsmmc23_before_set_reg(struct device *dev, int slot,
 	}
 }
 
+static int nop_mmc_set_power(struct device *dev, int slot, int power_on,
+							int vdd)
+{
+	return 0;
+}
+
 static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata;
 
 void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
@@ -216,11 +222,18 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
 		 */
 		mmc->slots[0].ocr_mask = c->ocr_mask;
 
+		if (cpu_is_omap3517() || cpu_is_omap3505())
+			mmc->slots[0].set_power = nop_mmc_set_power;
+		else
+			mmc->slots[0].features |= HSMMC_HAS_PBIAS;
+
 		switch (c->mmc) {
 		case 1:
-			/* on-chip level shifting via PBIAS0/PBIAS1 */
-			mmc->slots[0].before_set_reg = hsmmc1_before_set_reg;
-			mmc->slots[0].after_set_reg = hsmmc1_after_set_reg;
+			if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
+				/* on-chip level shifting via PBIAS0/PBIAS1 */
+				mmc->slots[0].before_set_reg = hsmmc1_before_set_reg;
+				mmc->slots[0].after_set_reg = hsmmc1_after_set_reg;
+			}
 
 			/* Omap3630 HSMMC1 supports only 4-bit */
 			if (cpu_is_omap3630() && c->wires > 4) {
@@ -235,9 +248,11 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
 				c->wires = 4;
 			/* FALLTHROUGH */
 		case 3:
-			/* off-chip level shifting, or none */
-			mmc->slots[0].before_set_reg = hsmmc23_before_set_reg;
-			mmc->slots[0].after_set_reg = NULL;
+			if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
+				/* off-chip level shifting, or none */
+				mmc->slots[0].before_set_reg = hsmmc23_before_set_reg;
+				mmc->slots[0].after_set_reg = NULL;
+			}
 			break;
 		default:
 			pr_err("MMC%d configuration not supported!\n", c->mmc);
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index a1bac07c89e..c835f1e994c 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -102,6 +102,10 @@ struct omap_mmc_platform_data {
 		/* Regulator off remapped to sleep */
 		unsigned vcc_aux_disable_is_sleep:1;
 
+		/* we can put the features above into this variable */
+#define HSMMC_HAS_PBIAS		(1 << 0)
+		unsigned features;
+
 		int switch_pin;			/* gpio (card detect) */
 		int gpio_wp;			/* gpio (write protect) */
 

From 8ebeb545a875b1961ede82800711ab31d2ce5782 Mon Sep 17 00:00:00 2001
From: Syed Rafiuddin <rafiuddin.syed@ti.com>
Date: Fri, 14 May 2010 12:05:25 -0700
Subject: [PATCH 2345/3638] OMAP4: SPI: Fix Driver Kconfig

Change dependency to ARCH_OMAP2PLUS to allow systems based on
omap24xx, omap34xx or omap44xx

Cc: spi-devel-general@lists.sourceforge.net
Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 drivers/spi/Kconfig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a191fa2be7c..f950b631694 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -180,10 +180,10 @@ config SPI_OMAP_UWIRE
 	  This hooks up to the MicroWire controller on OMAP1 chips.
 
 config SPI_OMAP24XX
-	tristate "McSPI driver for OMAP24xx/OMAP34xx"
-	depends on ARCH_OMAP2 || ARCH_OMAP3
+	tristate "McSPI driver for OMAP"
+	depends on ARCH_OMAP2PLUS
 	help
-	  SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
+	  SPI master controller for OMAP24XX and later Multichannel SPI
 	  (McSPI) modules.
 
 config SPI_OMAP_100K

From b2aa5e5757b2fd33c47fc52dfd6d5b0dbcda6492 Mon Sep 17 00:00:00 2001
From: Abraham Arce <x0066660@ti.com>
Date: Fri, 14 May 2010 12:05:26 -0700
Subject: [PATCH 2346/3638] OMAP4: Ethernet: KS8851 Board Support

Enable Micrel KS8851 SPI network chip for OMAP4430

Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-4430sdp.c | 81 +++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)

diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index b88f28c5814..be7a7868d21 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -18,6 +18,7 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/usb/otg.h>
+#include <linux/spi/spi.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -32,6 +33,75 @@
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 
+#define ETH_KS8851_IRQ			34
+#define ETH_KS8851_POWER_ON		48
+#define ETH_KS8851_QUART		138
+
+static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
+	{
+		.modalias               = "ks8851",
+		.bus_num                = 1,
+		.chip_select            = 0,
+		.max_speed_hz           = 24000000,
+		.irq                    = ETH_KS8851_IRQ,
+	},
+};
+
+static int omap_ethernet_init(void)
+{
+	int status;
+
+	/* Request of GPIO lines */
+
+	status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
+	if (status) {
+		pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
+		return status;
+	}
+
+	status = gpio_request(ETH_KS8851_QUART, "quart");
+	if (status) {
+		pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
+		goto error1;
+	}
+
+	status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
+	if (status) {
+		pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
+		goto error2;
+	}
+
+	/* Configuration of requested GPIO lines */
+
+	status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
+	if (status) {
+		pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
+		goto error3;
+	}
+
+	status = gpio_direction_output(ETH_KS8851_QUART, 1);
+	if (status) {
+		pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
+		goto error3;
+	}
+
+	status = gpio_direction_input(ETH_KS8851_IRQ);
+	if (status) {
+		pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
+		goto error3;
+	}
+
+	return 0;
+
+error3:
+	gpio_free(ETH_KS8851_IRQ);
+error2:
+	gpio_free(ETH_KS8851_QUART);
+error1:
+	gpio_free(ETH_KS8851_POWER_ON);
+	return status;
+}
+
 static struct platform_device sdp4430_lcd_device = {
 	.name		= "sdp4430_lcd",
 	.id		= -1,
@@ -113,6 +183,8 @@ static struct omap_musb_board_data musb_board_data = {
 
 static void __init omap_4430sdp_init(void)
 {
+	int status;
+
 	platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
 	omap_serial_init();
 	/* OMAP4 SDP uses internal transceiver so register nop transceiver */
@@ -120,6 +192,15 @@ static void __init omap_4430sdp_init(void)
 	/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
 	if (!cpu_is_omap44xx())
 		usb_musb_init(&musb_board_data);
+
+	status = omap_ethernet_init();
+	if (status) {
+		pr_err("Ethernet initialization failed: %d\n", status);
+	} else {
+		sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
+		spi_register_board_info(sdp4430_spi_board_info,
+				ARRAY_SIZE(sdp4430_spi_board_info));
+	}
 }
 
 static void __init omap_4430sdp_map_io(void)

From 2e5f51a539194406566968d1b68f0bcd1112720d Mon Sep 17 00:00:00 2001
From: Abraham Arce <x0066660@ti.com>
Date: Fri, 14 May 2010 12:05:26 -0700
Subject: [PATCH 2347/3638] OMAP4: Networking: Defconfig Support

Enable KS8851 SPI support +

 Networking Support
  - Packet Socket
  - TCP/IP

 Network Filesystems
  - NFS Client
  - Root Filesystem on NFS

Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap_4430sdp_defconfig | 57 ++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 2 deletions(-)

diff --git a/arch/arm/configs/omap_4430sdp_defconfig b/arch/arm/configs/omap_4430sdp_defconfig
index a96bca290cd..d87a349ed6f 100644
--- a/arch/arm/configs/omap_4430sdp_defconfig
+++ b/arch/arm/configs/omap_4430sdp_defconfig
@@ -343,7 +343,34 @@ CONFIG_BINFMT_MISC=y
 #
 # CONFIG_PM is not set
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
-# CONFIG_NET is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_XFRM=y
+CONFIG_INET=y
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+CONFIG_INET_LRO=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_IPV6 is not set
+
+#
+# Network testing
+#
+# CONFIG_WIRELESS is not set
+
 
 #
 # Device Drivers
@@ -386,6 +413,13 @@ CONFIG_HAVE_IDE=y
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 # CONFIG_PHONE is not set
+CONFIG_NETDEVICES=y
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_KS8851=y
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
 # Input device support
@@ -457,7 +491,13 @@ CONFIG_HW_RANDOM=y
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
-# CONFIG_SPI is not set
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_OMAP24XX=y
 
 #
 # PPS support
@@ -634,6 +674,19 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
 
 #
 # Partition Types

From fbc9be106e9f27450ea999da74bc24fad04cf41d Mon Sep 17 00:00:00 2001
From: Santosh Shilimkar <santosh.shilimkar@ti.com>
Date: Fri, 14 May 2010 12:05:26 -0700
Subject: [PATCH 2348/3638] omap4: Move SOC specific code from board file

This patch moves OMAP4 soc specific code from 4430sdp board file.
The change is necessary so that newer board support can be added
with minimal changes. This will be also problematic for
multi-board, multi-omap builds.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/Makefile                  |  2 +-
 arch/arm/mach-omap2/board-4430sdp.c           | 47 +-----------
 .../mach-omap2/include/mach/omap4-common.h    | 26 +++++++
 arch/arm/mach-omap2/omap-smp.c                |  2 +-
 arch/arm/mach-omap2/omap4-common.c            | 72 +++++++++++++++++++
 arch/arm/plat-omap/common.c                   |  3 -
 arch/arm/plat-omap/include/plat/common.h      |  3 -
 7 files changed, 101 insertions(+), 54 deletions(-)
 create mode 100644 arch/arm/mach-omap2/include/mach/omap4-common.h
 create mode 100644 arch/arm/mach-omap2/omap4-common.c

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 7d2cf0f714c..203a414c334 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -22,7 +22,7 @@ obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
 # SMP support ONLY available for OMAP4
 obj-$(CONFIG_SMP)			+= omap-smp.o omap-headsmp.o
 obj-$(CONFIG_LOCAL_TIMERS)		+= timer-mpu.o
-obj-$(CONFIG_ARCH_OMAP4)		+= omap44xx-smc.o
+obj-$(CONFIG_ARCH_OMAP4)		+= omap44xx-smc.o omap4-common.o
 
 AFLAGS_omap44xx-smc.o			:=-Wa,-march=armv7-a
 
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index be7a7868d21..6cce6f22979 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -21,6 +21,7 @@
 #include <linux/spi/spi.h>
 
 #include <mach/hardware.h>
+#include <mach/omap4-common.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -30,8 +31,6 @@
 #include <plat/control.h>
 #include <plat/timer-gp.h>
 #include <plat/usb.h>
-#include <asm/hardware/gic.h>
-#include <asm/hardware/cache-l2x0.h>
 
 #define ETH_KS8851_IRQ			34
 #define ETH_KS8851_POWER_ON		48
@@ -119,50 +118,6 @@ static struct omap_board_config_kernel sdp4430_config[] __initdata = {
 	{ OMAP_TAG_LCD,		&sdp4430_lcd_config },
 };
 
-#ifdef CONFIG_CACHE_L2X0
-static int __init omap_l2_cache_init(void)
-{
-	extern void omap_smc1(u32 fn, u32 arg);
-	void __iomem *l2cache_base;
-
-	/* To avoid code running on other OMAPs in
-	 * multi-omap builds
-	 */
-	if (!cpu_is_omap44xx())
-		return -ENODEV;
-
-	/* Static mapping, never released */
-	l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
-	BUG_ON(!l2cache_base);
-
-	/* Enable PL310 L2 Cache controller */
-	omap_smc1(0x102, 0x1);
-
-	/* 32KB way size, 16-way associativity,
-	* parity disabled
-	*/
-	l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
-
-	return 0;
-}
-early_initcall(omap_l2_cache_init);
-#endif
-
-static void __init gic_init_irq(void)
-{
-	void __iomem *base;
-
-	/* Static mapping, never released */
-	base = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K);
-	BUG_ON(!base);
-	gic_dist_init(0, base, 29);
-
-	/* Static mapping, never released */
-	gic_cpu_base_addr = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512);
-	BUG_ON(!gic_cpu_base_addr);
-	gic_cpu_init(0, gic_cpu_base_addr);
-}
-
 static void __init omap_4430sdp_init_irq(void)
 {
 	omap_board_config = sdp4430_config;
diff --git a/arch/arm/mach-omap2/include/mach/omap4-common.h b/arch/arm/mach-omap2/include/mach/omap4-common.h
new file mode 100644
index 00000000000..423af3a6dd3
--- /dev/null
+++ b/arch/arm/mach-omap2/include/mach/omap4-common.h
@@ -0,0 +1,26 @@
+/*
+ * omap4-common.h: OMAP4 specific common header file
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ *
+ * Author:
+ *	Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef OMAP_ARCH_OMAP4_COMMON_H
+#define OMAP_ARCH_OMAP4_COMMON_H
+
+#ifdef CONFIG_CACHE_L2X0
+extern void __iomem *l2cache_base;
+#endif
+
+extern void __iomem *gic_cpu_base_addr;
+extern void __iomem *gic_dist_base_addr;
+
+extern void __init gic_init_irq(void);
+extern void omap_smc1(u32 fn, u32 arg);
+
+#endif
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index 38153e5fbca..1cf52313759 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -24,7 +24,7 @@
 #include <asm/localtimer.h>
 #include <asm/smp_scu.h>
 #include <mach/hardware.h>
-#include <plat/common.h>
+#include <mach/omap4-common.h>
 
 /* SCU base address */
 static void __iomem *scu_base;
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
new file mode 100644
index 00000000000..13dc9794dcc
--- /dev/null
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -0,0 +1,72 @@
+/*
+ * OMAP4 specific common source file.
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Author:
+ *	Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ *
+ * This program is free software,you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware/gic.h>
+#include <asm/hardware/cache-l2x0.h>
+
+#include <mach/hardware.h>
+#include <mach/omap4-common.h>
+
+#ifdef CONFIG_CACHE_L2X0
+void __iomem *l2cache_base;
+#endif
+
+void __iomem *gic_cpu_base_addr;
+void __iomem *gic_dist_base_addr;
+
+
+void __init gic_init_irq(void)
+{
+	/* Static mapping, never released */
+	gic_dist_base_addr = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K);
+	BUG_ON(!gic_dist_base_addr);
+	gic_dist_init(0, gic_dist_base_addr, 29);
+
+	/* Static mapping, never released */
+	gic_cpu_base_addr = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512);
+	BUG_ON(!gic_cpu_base_addr);
+	gic_cpu_init(0, gic_cpu_base_addr);
+}
+
+#ifdef CONFIG_CACHE_L2X0
+static int __init omap_l2_cache_init(void)
+{
+	/*
+	 * To avoid code running on other OMAPs in
+	 * multi-omap builds
+	 */
+	if (!cpu_is_omap44xx())
+		return -ENODEV;
+
+	/* Static mapping, never released */
+	l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
+	BUG_ON(!l2cache_base);
+
+	/* Enable PL310 L2 Cache controller */
+	omap_smc1(0x102, 0x1);
+
+	/*
+	 * 32KB way size, 16-way associativity,
+	 * parity disabled
+	 */
+	l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
+
+	return 0;
+}
+early_initcall(omap_l2_cache_init);
+#endif
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index f12f0e39ddf..219c01e82bc 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -47,9 +47,6 @@
 struct omap_board_config_kernel *omap_board_config;
 int omap_board_config_size;
 
-/* used by omap-smp.c and board-4430sdp.c */
-void __iomem *gic_cpu_base_addr;
-
 static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out)
 {
 	struct omap_board_config_kernel *kinfo = NULL;
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index 7556e271942..d265018f5e6 100644
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -31,9 +31,6 @@
 
 struct sys_timer;
 
-/* used by omap-smp.c and board-4430sdp.c */
-extern void __iomem *gic_cpu_base_addr;
-
 extern void omap_map_common_io(void);
 extern struct sys_timer omap_timer;
 

From 9f09686864e16723b2998eefb3986196ba0bcf6b Mon Sep 17 00:00:00 2001
From: Charulatha V <charu@ti.com>
Date: Fri, 14 May 2010 12:05:27 -0700
Subject: [PATCH 2349/3638] omap: GPIO: Fix OMAP4 GPIO reg access issues

Access to some of the OMAP4 GPIO registers are not properly handled.
This patch fixes it.

This patch is tested on 3430SDP and 4430SDP boards

Signed-off-by: Charulatha V <charu@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/gpio.c | 59 +++++++++++++++++++++++++++++++--------
 1 file changed, 47 insertions(+), 12 deletions(-)

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 955597fd6d3..dc2ac42d631 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -138,7 +138,11 @@
 #define OMAP4_GPIO_IRQSTATUSCLR1	0x0040
 #define OMAP4_GPIO_IRQWAKEN0		0x0044
 #define OMAP4_GPIO_IRQWAKEN1		0x0048
-#define OMAP4_GPIO_SYSSTATUS		0x0104
+#define OMAP4_GPIO_SYSSTATUS		0x0114
+#define OMAP4_GPIO_IRQENABLE1		0x011c
+#define OMAP4_GPIO_WAKE_EN		0x0120
+#define OMAP4_GPIO_IRQSTATUS2		0x0128
+#define OMAP4_GPIO_IRQENABLE2		0x012c
 #define OMAP4_GPIO_CTRL			0x0130
 #define OMAP4_GPIO_OE			0x0134
 #define OMAP4_GPIO_DATAIN		0x0138
@@ -149,6 +153,10 @@
 #define OMAP4_GPIO_FALLINGDETECT	0x014c
 #define OMAP4_GPIO_DEBOUNCENABLE	0x0150
 #define OMAP4_GPIO_DEBOUNCINGTIME	0x0154
+#define OMAP4_GPIO_CLEARIRQENABLE1	0x0160
+#define OMAP4_GPIO_SETIRQENABLE1	0x0164
+#define OMAP4_GPIO_CLEARWKUENA		0x0180
+#define OMAP4_GPIO_SETWKUENA		0x0184
 #define OMAP4_GPIO_CLEARDATAOUT		0x0190
 #define OMAP4_GPIO_SETDATAOUT		0x0194
 /*
@@ -591,11 +599,15 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio)
 		reg += OMAP7XX_GPIO_DATA_OUTPUT;
 		break;
 #endif
-#ifdef CONFIG_ARCH_OMAP2PLUS
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
 	case METHOD_GPIO_24XX:
-	case METHOD_GPIO_44XX:
 		reg += OMAP24XX_GPIO_DATAOUT;
 		break;
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+	case METHOD_GPIO_44XX:
+		reg += OMAP4_GPIO_DATAOUT;
+		break;
 #endif
 	default:
 		return -EINVAL;
@@ -1213,11 +1225,17 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset)
 #endif
 	if (!cpu_class_is_omap1()) {
 		if (!bank->mod_usage) {
+			void __iomem *reg = bank->base;
 			u32 ctrl;
-			ctrl = __raw_readl(bank->base + OMAP24XX_GPIO_CTRL);
-			ctrl &= 0xFFFFFFFE;
+
+			if (cpu_is_omap24xx() || cpu_is_omap34xx())
+				reg += OMAP24XX_GPIO_CTRL;
+			else if (cpu_is_omap44xx())
+				reg += OMAP4_GPIO_CTRL;
+			ctrl = __raw_readl(reg);
 			/* Module is enabled, clocks are not gated */
-			__raw_writel(ctrl, bank->base + OMAP24XX_GPIO_CTRL);
+			ctrl &= 0xFFFFFFFE;
+			__raw_writel(ctrl, reg);
 		}
 		bank->mod_usage |= 1 << offset;
 	}
@@ -1239,22 +1257,34 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset)
 		__raw_writel(1 << offset, reg);
 	}
 #endif
-#ifdef CONFIG_ARCH_OMAP2PLUS
-	if ((bank->method == METHOD_GPIO_24XX) ||
-			(bank->method == METHOD_GPIO_44XX)) {
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+	if (bank->method == METHOD_GPIO_24XX) {
 		/* Disable wake-up during idle for dynamic tick */
 		void __iomem *reg = bank->base + OMAP24XX_GPIO_CLEARWKUENA;
 		__raw_writel(1 << offset, reg);
 	}
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+	if (bank->method == METHOD_GPIO_44XX) {
+		/* Disable wake-up during idle for dynamic tick */
+		void __iomem *reg = bank->base + OMAP4_GPIO_IRQWAKEN0;
+		__raw_writel(1 << offset, reg);
+	}
 #endif
 	if (!cpu_class_is_omap1()) {
 		bank->mod_usage &= ~(1 << offset);
 		if (!bank->mod_usage) {
+			void __iomem *reg = bank->base;
 			u32 ctrl;
-			ctrl = __raw_readl(bank->base + OMAP24XX_GPIO_CTRL);
+
+			if (cpu_is_omap24xx() || cpu_is_omap34xx())
+				reg += OMAP24XX_GPIO_CTRL;
+			else if (cpu_is_omap44xx())
+				reg += OMAP4_GPIO_CTRL;
+			ctrl = __raw_readl(reg);
 			/* Module is disabled, clocks are gated */
 			ctrl |= 1;
-			__raw_writel(ctrl, bank->base + OMAP24XX_GPIO_CTRL);
+			__raw_writel(ctrl, reg);
 		}
 	}
 	_reset_gpio(bank, bank->chip.base + offset);
@@ -1583,9 +1613,14 @@ static int gpio_is_input(struct gpio_bank *bank, int mask)
 		reg += OMAP7XX_GPIO_DIR_CONTROL;
 		break;
 	case METHOD_GPIO_24XX:
-	case METHOD_GPIO_44XX:
 		reg += OMAP24XX_GPIO_OE;
 		break;
+	case METHOD_GPIO_44XX:
+		reg += OMAP4_GPIO_OE;
+		break;
+	default:
+		WARN_ONCE(1, "gpio_is_input: incorrect OMAP GPIO method");
+		return -EINVAL;
 	}
 	return __raw_readl(reg) & mask;
 }

From b91da669472a534328bf796a8c913f2d042ede76 Mon Sep 17 00:00:00 2001
From: "stanley.miao" <stanley.miao@windriver.com>
Date: Thu, 13 May 2010 12:39:29 +0000
Subject: [PATCH 2350/3638] AM3517: rename the i2c boardinfo to make it more
 readable

There are three i2c buses on am3517, and each i2c bus has several devices
on it, so we can't name the i2c boardinfo structures with one of these
devices. In order to make it more readable, now rename these three boardinfo
structures based on i2c indexes.

Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Acked-By: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-am3517evm.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 19b9e415710..af383a87694 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -136,7 +136,7 @@ void am3517_evm_ethernet_init(struct emac_platform_data *pdata)
 #define LCD_PANEL_BKLIGHT_PWR	182
 #define LCD_PANEL_PWM		181
 
-static struct i2c_board_info __initdata am3517evm_i2c_boardinfo[] = {
+static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
 	{
 		I2C_BOARD_INFO("s35390a", 0x30),
 		.type		= "s35390a",
@@ -166,7 +166,7 @@ static void __init am3517_evm_rtc_init(void)
 		gpio_free(GPIO_RTCS35390A_IRQ);
 		return;
 	}
-	am3517evm_i2c_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
+	am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
 }
 
 /*
@@ -177,7 +177,7 @@ static void __init am3517_evm_rtc_init(void)
 static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
 	.gpio_base	= OMAP_MAX_GPIO_LINES,
 };
-static struct i2c_board_info __initdata am3517evm_tca6416_info_0[] = {
+static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
 	{
 		I2C_BOARD_INFO("tca6416", 0x21),
 		.platform_data = &am3517evm_gpio_expander_info_0,
@@ -191,7 +191,7 @@ static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
 	.gpio_base	= OMAP_MAX_GPIO_LINES + 32,
 };
-static struct i2c_board_info __initdata am3517evm_ui_tca6416_info[] = {
+static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
 	{
 		I2C_BOARD_INFO("tca6416", 0x20),
 		.platform_data = &am3517evm_ui_gpio_expander_info_1,
@@ -205,10 +205,10 @@ static struct i2c_board_info __initdata am3517evm_ui_tca6416_info[] = {
 static int __init am3517_evm_i2c_init(void)
 {
 	omap_register_i2c_bus(1, 400, NULL, 0);
-	omap_register_i2c_bus(2, 400, am3517evm_tca6416_info_0,
-			ARRAY_SIZE(am3517evm_tca6416_info_0));
-	omap_register_i2c_bus(3, 400, am3517evm_ui_tca6416_info,
-			ARRAY_SIZE(am3517evm_ui_tca6416_info));
+	omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
+			ARRAY_SIZE(am3517evm_i2c2_boardinfo));
+	omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
+			ARRAY_SIZE(am3517evm_i2c3_boardinfo));
 
 	return 0;
 }
@@ -455,8 +455,8 @@ static void __init am3517_evm_init(void)
 	/* RTC - S35390A */
 	am3517_evm_rtc_init();
 
-	i2c_register_board_info(1, am3517evm_i2c_boardinfo,
-				ARRAY_SIZE(am3517evm_i2c_boardinfo));
+	i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
+				ARRAY_SIZE(am3517evm_i2c1_boardinfo));
 	/*Ethernet*/
 	am3517_evm_ethernet_init(&am3517_evm_emac_pdata);
 }

From baeb73e8027b8a62b32c11afc3035cf6cc0927dd Mon Sep 17 00:00:00 2001
From: Santosh Shilimkar <santosh.shilimkar@ti.com>
Date: Wed, 12 May 2010 08:27:29 +0000
Subject: [PATCH 2351/3638] omap4: Add i2c board support on omap4430 sdp
 platform

This patch adds the i2c board support for OMAP4430 SDP platform.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap_4430sdp_defconfig | 46 ++++++++++++++++++++++++-
 arch/arm/mach-omap2/board-4430sdp.c     | 14 +++++++-
 2 files changed, 58 insertions(+), 2 deletions(-)

diff --git a/arch/arm/configs/omap_4430sdp_defconfig b/arch/arm/configs/omap_4430sdp_defconfig
index d87a349ed6f..a5553055f42 100644
--- a/arch/arm/configs/omap_4430sdp_defconfig
+++ b/arch/arm/configs/omap_4430sdp_defconfig
@@ -490,14 +490,58 @@ CONFIG_HW_RANDOM=y
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
-# CONFIG_I2C is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_OMAP=y
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
 CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
 CONFIG_SPI_MASTER=y
 
 #
 # SPI Master Controller Drivers
 #
+# CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 CONFIG_SPI_OMAP24XX=y
+# CONFIG_SPI_XILINX is not set
+# CONFIG_SPI_DESIGNWARE is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
 
 #
 # PPS support
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 6cce6f22979..41fed9235f8 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -135,11 +135,23 @@ static struct omap_musb_board_data musb_board_data = {
 	.mode			= MUSB_PERIPHERAL,
 	.power			= 100,
 };
-
+static int __init omap4_i2c_init(void)
+{
+	/*
+	 * Phoenix Audio IC needs I2C1 to
+	 * start with 400 KHz or less
+	 */
+	omap_register_i2c_bus(1, 400, NULL, 0);
+	omap_register_i2c_bus(2, 400, NULL, 0);
+	omap_register_i2c_bus(3, 400, NULL, 0);
+	omap_register_i2c_bus(4, 400, NULL, 0);
+	return 0;
+}
 static void __init omap_4430sdp_init(void)
 {
 	int status;
 
+	omap4_i2c_init();
 	platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
 	omap_serial_init();
 	/* OMAP4 SDP uses internal transceiver so register nop transceiver */

From 6e30a7dbc946132525ca12ce16f0f2105096624a Mon Sep 17 00:00:00 2001
From: Balaji T K <balajitk@ti.com>
Date: Wed, 12 May 2010 08:27:30 +0000
Subject: [PATCH 2352/3638] omap4: add i2c1 peripherals data

This patch adds i2c1 peripherals data to
omap4430 sdp board file.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-4430sdp.c | 177 +++++++++++++++++++++++++++-
 1 file changed, 176 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 41fed9235f8..921cde3d79e 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -19,6 +19,8 @@
 #include <linux/gpio.h>
 #include <linux/usb/otg.h>
 #include <linux/spi/spi.h>
+#include <linux/i2c/twl.h>
+#include <linux/regulator/machine.h>
 
 #include <mach/hardware.h>
 #include <mach/omap4-common.h>
@@ -135,13 +137,186 @@ static struct omap_musb_board_data musb_board_data = {
 	.mode			= MUSB_PERIPHERAL,
 	.power			= 100,
 };
+static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
+	{
+		.supply = "vmmc",
+	},
+	{
+		.supply = "vmmc",
+	},
+	{
+		.supply = "vmmc",
+	},
+	{
+		.supply = "vmmc",
+	},
+	{
+		.supply = "vmmc",
+	},
+};
+
+static struct regulator_init_data sdp4430_vaux1 = {
+	.constraints = {
+		.min_uV			= 1000000,
+		.max_uV			= 3000000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data sdp4430_vaux2 = {
+	.constraints = {
+		.min_uV			= 1200000,
+		.max_uV			= 2800000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data sdp4430_vaux3 = {
+	.constraints = {
+		.min_uV			= 1000000,
+		.max_uV			= 3000000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+/* VMMC1 for MMC1 card */
+static struct regulator_init_data sdp4430_vmmc = {
+	.constraints = {
+		.min_uV			= 1200000,
+		.max_uV			= 3000000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies  = 5,
+	.consumer_supplies      = sdp4430_vmmc_supply,
+};
+
+static struct regulator_init_data sdp4430_vpp = {
+	.constraints = {
+		.min_uV			= 1800000,
+		.max_uV			= 2500000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data sdp4430_vusim = {
+	.constraints = {
+		.min_uV			= 1200000,
+		.max_uV			= 2900000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data sdp4430_vana = {
+	.constraints = {
+		.min_uV			= 2100000,
+		.max_uV			= 2100000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data sdp4430_vcxio = {
+	.constraints = {
+		.min_uV			= 1800000,
+		.max_uV			= 1800000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data sdp4430_vdac = {
+	.constraints = {
+		.min_uV			= 1800000,
+		.max_uV			= 1800000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data sdp4430_vusb = {
+	.constraints = {
+		.min_uV			= 3300000,
+		.max_uV			= 3300000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 =	REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct twl4030_platform_data sdp4430_twldata = {
+	.irq_base	= TWL6030_IRQ_BASE,
+	.irq_end	= TWL6030_IRQ_END,
+
+	/* Regulators */
+	.vmmc		= &sdp4430_vmmc,
+	.vpp		= &sdp4430_vpp,
+	.vusim		= &sdp4430_vusim,
+	.vana		= &sdp4430_vana,
+	.vcxio		= &sdp4430_vcxio,
+	.vdac		= &sdp4430_vdac,
+	.vusb		= &sdp4430_vusb,
+	.vaux1		= &sdp4430_vaux1,
+	.vaux2		= &sdp4430_vaux2,
+	.vaux3		= &sdp4430_vaux3,
+};
+
+static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("twl6030", 0x48),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = OMAP44XX_IRQ_SYS_1N,
+		.platform_data = &sdp4430_twldata,
+	},
+};
 static int __init omap4_i2c_init(void)
 {
 	/*
 	 * Phoenix Audio IC needs I2C1 to
 	 * start with 400 KHz or less
 	 */
-	omap_register_i2c_bus(1, 400, NULL, 0);
+	omap_register_i2c_bus(1, 400, sdp4430_i2c_boardinfo,
+			ARRAY_SIZE(sdp4430_i2c_boardinfo));
 	omap_register_i2c_bus(2, 400, NULL, 0);
 	omap_register_i2c_bus(3, 400, NULL, 0);
 	omap_register_i2c_bus(4, 400, NULL, 0);

From f9ea6cfb5a31d0addf9d1d8ed772bdc3a1c0dbd7 Mon Sep 17 00:00:00 2001
From: Balaji T K <balajitk@ti.com>
Date: Wed, 12 May 2010 08:27:31 +0000
Subject: [PATCH 2353/3638] omap4: Enable RTC and regulator support

This patch enables RTC and regulator support on omap4430 sdp
platform. Also sync up the defconfig with latest kernel

Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap_4430sdp_defconfig | 330 ++++++++++++++++++++++--
 1 file changed, 302 insertions(+), 28 deletions(-)

diff --git a/arch/arm/configs/omap_4430sdp_defconfig b/arch/arm/configs/omap_4430sdp_defconfig
index a5553055f42..25e8d048fc1 100644
--- a/arch/arm/configs/omap_4430sdp_defconfig
+++ b/arch/arm/configs/omap_4430sdp_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.32
-# Sun Dec  6 23:37:45 2009
+# Linux kernel version: 2.6.34-rc7
+# Wed May 12 12:26:05 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -9,6 +9,7 @@ CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
@@ -20,6 +21,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_ARCH_HAS_CPUFREQ=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -33,28 +35,33 @@ CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
 
 #
 # RCU Subsystem
 #
 CONFIG_TREE_RCU=y
 # CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
 # CONFIG_RCU_TRACE is not set
 CONFIG_RCU_FANOUT=32
 # CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
@@ -64,6 +71,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 # CONFIG_RD_BZIP2 is not set
 # CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -85,10 +93,14 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
 # Kernel Performance Events And Counters
 #
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLUB_DEBUG=y
 CONFIG_COMPAT_BRK=y
@@ -127,14 +139,41 @@ CONFIG_LBDAF=y
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_DEADLINE is not set
-# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
-CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+CONFIG_MUTEX_SPIN_ON_OWNER=y
 # CONFIG_FREEZER is not set
 
 #
@@ -146,6 +185,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
@@ -155,7 +195,6 @@ CONFIG_MMU=y
 # CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -163,6 +202,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_IXP2000 is not set
 # CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
 # CONFIG_ARCH_KIRKWOOD is not set
 # CONFIG_ARCH_LOKI is not set
 # CONFIG_ARCH_MV78XX0 is not set
@@ -171,25 +211,32 @@ CONFIG_MMU=y
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
 # CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 CONFIG_ARCH_OMAP=y
-# CONFIG_ARCH_BCMRING is not set
 
 #
 # TI OMAP Implementations
 #
 # CONFIG_ARCH_OMAP1 is not set
+CONFIG_ARCH_OMAP2PLUS=y
 # CONFIG_ARCH_OMAP2 is not set
 # CONFIG_ARCH_OMAP3 is not set
 CONFIG_ARCH_OMAP4=y
@@ -205,10 +252,6 @@ CONFIG_OMAP_MCBSP=y
 CONFIG_OMAP_32K_TIMER=y
 CONFIG_OMAP_32K_TIMER_HZ=128
 CONFIG_OMAP_DM_TIMER=y
-# CONFIG_OMAP_LL_DEBUG_UART1 is not set
-# CONFIG_OMAP_LL_DEBUG_UART2 is not set
-CONFIG_OMAP_LL_DEBUG_UART3=y
-# CONFIG_OMAP_LL_DEBUG_NONE is not set
 # CONFIG_OMAP_PM_NONE is not set
 CONFIG_OMAP_PM_NOOP=y
 
@@ -243,13 +286,16 @@ CONFIG_CPU_CP15_MMU=y
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_HAS_TLS_REG=y
 CONFIG_OUTER_CACHE=y
+CONFIG_OUTER_CACHE_SYNC=y
 CONFIG_CACHE_L2X0=y
 CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_430973 is not set
 # CONFIG_ARM_ERRATA_458693 is not set
 # CONFIG_ARM_ERRATA_460075 is not set
 CONFIG_PL310_ERRATA_588369=y
 CONFIG_ARM_GIC=y
+CONFIG_COMMON_CLKDEV=y
 
 #
 # Bus support
@@ -280,6 +326,7 @@ CONFIG_HZ=128
 # CONFIG_THUMB2_KERNEL is not set
 CONFIG_AEABI=y
 CONFIG_OABI_COMPAT=y
+CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
 # CONFIG_HIGHMEM is not set
@@ -294,8 +341,6 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_HAVE_MLOCK=y
-CONFIG_HAVE_MLOCKED_PAGE_BIT=y
 # CONFIG_KSM is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 # CONFIG_LEDS is not set
@@ -349,28 +394,77 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
+# CONFIG_UNIX is not set
 CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
 CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
 CONFIG_IP_FIB_HASH=y
 CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y
 CONFIG_IP_PNP_RARP=y
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_XFRM_MODE_BEET=y
 CONFIG_INET_LRO=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
 #
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
 # CONFIG_WIRELESS is not set
-
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -387,17 +481,24 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_DEBUG_DRIVER is not set
 # CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
 # CONFIG_MTD is not set
 # CONFIG_PARPORT is not set
 CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
+# CONFIG_BLK_DEV_NBD is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=16384
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
 # CONFIG_MG_DISK is not set
 # CONFIG_MISC_DEVICES is not set
 CONFIG_HAVE_IDE=y
@@ -406,27 +507,65 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
 # CONFIG_SCSI_DMA is not set
 # CONFIG_SCSI_NETLINK is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
-# CONFIG_PHONE is not set
 CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
 CONFIG_KS8851=y
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_WLAN is not set
 
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
 #
 # Input device support
 #
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -479,8 +618,10 @@ CONFIG_SERIAL_8250_RSA=y
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
@@ -555,10 +696,17 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
 #
+# CONFIG_GPIO_MAX7300 is not set
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_TWL4030 is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -567,6 +715,9 @@ CONFIG_GPIOLIB=y
 #
 # SPI GPIO expanders:
 #
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
 
 #
 # AC97 GPIO expanders:
@@ -576,7 +727,15 @@ CONFIG_GPIOLIB=y
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
 CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
 CONFIG_OMAP_WATCHDOG=y
+# CONFIG_TWL4030_WATCHDOG is not set
+# CONFIG_MAX63XX_WATCHDOG is not set
 CONFIG_SSB_POSSIBLE=y
 
 #
@@ -588,15 +747,46 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_ASIC3 is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
+# CONFIG_TPS65010 is not set
+CONFIG_TWL4030_CORE=y
+# CONFIG_TWL4030_POWER is not set
+# CONFIG_TWL4030_CODEC is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_T7L66XB is not set
 # CONFIG_MFD_TC6387XB is not set
 # CONFIG_MFD_TC6393XB is not set
-# CONFIG_REGULATOR is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_AB4500_CORE is not set
+CONFIG_REGULATOR=y
+# CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_DUMMY is not set
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
+# CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_REGULATOR_MAX1586 is not set
+# CONFIG_REGULATOR_MAX8649 is not set
+# CONFIG_REGULATOR_MAX8660 is not set
+CONFIG_REGULATOR_TWL4030=y
+# CONFIG_REGULATOR_LP3971 is not set
+# CONFIG_REGULATOR_TPS65023 is not set
+# CONFIG_REGULATOR_TPS6507X is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
 #
@@ -625,7 +815,72 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_BQ32K is not set
+CONFIG_RTC_DRV_TWL4030=y
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
@@ -648,9 +903,10 @@ CONFIG_EXT3_FS=y
 CONFIG_JBD=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
-# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
 # CONFIG_NILFS2_FS is not set
 CONFIG_FILE_LOCKING=y
@@ -659,7 +915,9 @@ CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 CONFIG_QUOTA=y
+# CONFIG_QUOTA_NETLINK_INTERFACE is not set
 CONFIG_PRINT_QUOTA_WARNING=y
+# CONFIG_QUOTA_DEBUG is not set
 CONFIG_QUOTA_TREE=y
 # CONFIG_QFMT_V1 is not set
 CONFIG_QFMT_V2=y
@@ -708,6 +966,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
@@ -723,7 +982,9 @@ CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 CONFIG_NFS_V3_ACL=y
 CONFIG_NFS_V4=y
+# CONFIG_NFS_V4_1 is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_ACL_SUPPORT=y
@@ -731,6 +992,13 @@ CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 CONFIG_SUNRPC_GSS=y
 CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
 
 #
 # Partition Types
@@ -793,6 +1061,7 @@ CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_KOI8_R is not set
 # CONFIG_NLS_KOI8_U is not set
 # CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
 
 #
 # Kernel hacking
@@ -847,13 +1116,11 @@ CONFIG_FRAME_POINTER=y
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
 # CONFIG_PAGE_POISONING is not set
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
-# CONFIG_BRANCH_PROFILE_NONE is not set
-# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
-# CONFIG_PROFILE_ALL_BRANCHES is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -862,6 +1129,7 @@ CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_DEBUG_ERRORS is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUG_LL is not set
+# CONFIG_OC_ETM is not set
 
 #
 # Security options
@@ -869,7 +1137,11 @@ CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
 
 #
@@ -888,6 +1160,7 @@ CONFIG_CRYPTO_MANAGER=y
 CONFIG_CRYPTO_MANAGER2=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_PCRYPT is not set
 CONFIG_CRYPTO_WORKQUEUE=y
 # CONFIG_CRYPTO_CRYPTD is not set
 # CONFIG_CRYPTO_AUTHENC is not set
@@ -986,3 +1259,4 @@ CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y

From 2c9d103e1e6b0970fd45c82de205415a2ad86c8d Mon Sep 17 00:00:00 2001
From: kishore kadiyala <kishore.kadiyala@ti.com>
Date: Tue, 4 May 2010 16:01:45 +0000
Subject: [PATCH 2354/3638] omap4: Adds Dummy Interface clock's for MMC
 controllers

This patch adds dummy Interface clocks for MMC controllers

Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/clock44xx_data.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index a5c0c9c8e49..02804224517 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -2675,6 +2675,11 @@ static struct omap_clk omap44xx_clks[] = {
 	CLK("omap2_mcspi.2",	"ick",			&dummy_ck,	CK_443X),
 	CLK("omap2_mcspi.3",	"ick",			&dummy_ck,	CK_443X),
 	CLK("omap2_mcspi.4",	"ick",			&dummy_ck,	CK_443X),
+	CLK("mmci-omap-hs.0",	"ick",		&dummy_ck,	CK_443X),
+	CLK("mmci-omap-hs.1",	"ick",		&dummy_ck,	CK_443X),
+	CLK("mmci-omap-hs.2",	"ick",		&dummy_ck,	CK_443X),
+	CLK("mmci-omap-hs.3",	"ick",		&dummy_ck,	CK_443X),
+	CLK("mmci-omap-hs.4",	"ick",		&dummy_ck,	CK_443X),
 	CLK(NULL,	"uart1_ick",			&dummy_ck,	CK_443X),
 	CLK(NULL,	"uart2_ick",			&dummy_ck,	CK_443X),
 	CLK(NULL,	"uart3_ick",			&dummy_ck,	CK_443X),

From 717c1fbf7c139c3c5d5920b29bdf196d07a40c8a Mon Sep 17 00:00:00 2001
From: kishore kadiyala <kishore.kadiyala@ti.com>
Date: Sat, 15 May 2010 18:21:06 +0000
Subject: [PATCH 2355/3638] omap4: Adding hsmmc support to board file

Adding support for MMC1 & MMC2 controllers of OMAP4430 SDP
to board file.

Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/Makefile        |  3 +-
 arch/arm/mach-omap2/board-4430sdp.c | 65 ++++++++++++++++++++++++-----
 2 files changed, 57 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 203a414c334..a7994534936 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -137,7 +137,8 @@ obj-$(CONFIG_MACH_IGEP0020)		+= board-igep0020.o \
 					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK)	+= board-omap3touchbook.o \
 					   hsmmc.o
-obj-$(CONFIG_MACH_OMAP_4430SDP)		+= board-4430sdp.o
+obj-$(CONFIG_MACH_OMAP_4430SDP)		+= board-4430sdp.o \
+					   hsmmc.o
 
 obj-$(CONFIG_MACH_OMAP3517EVM)		+= board-am3517evm.o
 
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 921cde3d79e..e4a5d66b83b 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -33,6 +33,8 @@
 #include <plat/control.h>
 #include <plat/timer-gp.h>
 #include <plat/usb.h>
+#include <plat/mmc.h>
+#include "hsmmc.h"
 
 #define ETH_KS8851_IRQ			34
 #define ETH_KS8851_POWER_ON		48
@@ -137,24 +139,66 @@ static struct omap_musb_board_data musb_board_data = {
 	.mode			= MUSB_PERIPHERAL,
 	.power			= 100,
 };
+
+static struct omap2_hsmmc_info mmc[] = {
+	{
+		.mmc		= 1,
+		.wires		= 8,
+		.gpio_wp	= -EINVAL,
+	},
+	{
+		.mmc		= 2,
+		.wires		= 8,
+		.gpio_cd	= -EINVAL,
+		.gpio_wp	= -EINVAL,
+		.nonremovable   = true,
+	},
+	{}	/* Terminator */
+};
+
 static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
 	{
 		.supply = "vmmc",
+		.dev_name = "mmci-omap-hs.0",
 	},
 	{
 		.supply = "vmmc",
-	},
-	{
-		.supply = "vmmc",
-	},
-	{
-		.supply = "vmmc",
-	},
-	{
-		.supply = "vmmc",
+		.dev_name = "mmci-omap-hs.1",
 	},
 };
 
+static int omap4_twl6030_hsmmc_late_init(struct device *dev)
+{
+	int ret = 0;
+	struct platform_device *pdev = container_of(dev,
+				struct platform_device, dev);
+	struct omap_mmc_platform_data *pdata = dev->platform_data;
+
+	/* Setting MMC1 Card detect Irq */
+	if (pdev->id == 0)
+		pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
+						MMCDETECT_INTR_OFFSET;
+	return ret;
+}
+
+static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
+{
+	struct omap_mmc_platform_data *pdata = dev->platform_data;
+
+	pdata->init =	omap4_twl6030_hsmmc_late_init;
+}
+
+static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
+{
+	struct omap2_hsmmc_info *c;
+
+	omap2_hsmmc_init(controllers);
+	for (c = controllers; c->mmc; c++)
+		omap4_twl6030_hsmmc_set_late_init(c->dev);
+
+	return 0;
+}
+
 static struct regulator_init_data sdp4430_vaux1 = {
 	.constraints = {
 		.min_uV			= 1000000,
@@ -206,7 +250,7 @@ static struct regulator_init_data sdp4430_vmmc = {
 					| REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
-	.num_consumer_supplies  = 5,
+	.num_consumer_supplies  = 2,
 	.consumer_supplies      = sdp4430_vmmc_supply,
 };
 
@@ -329,6 +373,7 @@ static void __init omap_4430sdp_init(void)
 	omap4_i2c_init();
 	platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
 	omap_serial_init();
+	omap4_twl6030_hsmmc_init(mmc);
 	/* OMAP4 SDP uses internal transceiver so register nop transceiver */
 	usb_nop_xceiv_register();
 	/* FIXME: allow multi-omap to boot until musb is updated for omap4 */

From c83c8e6cde35c51a120952f54b4e4ecda6fa58a5 Mon Sep 17 00:00:00 2001
From: kishore kadiyala <kishore.kadiyala@ti.com>
Date: Sat, 15 May 2010 18:21:25 +0000
Subject: [PATCH 2356/3638] omap4: Adding PBIAS Configuration for MMC1
 Controller

In OMAP4, MMC1 PBIAS and its associated IO is software-controlled
by CONTROL_PBIAS and CONTROL_MMC1 registers. This patch adds PBIAS
configuration for MMC1 Controller during power-ON and power-OFF
of regulator.

Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/hsmmc.c               | 97 ++++++++++++++++++++---
 arch/arm/plat-omap/include/plat/control.h | 20 +++++
 2 files changed, 108 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 2d36f3afbd4..1ef54b03610 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -24,6 +24,7 @@
 
 static u16 control_pbias_offset;
 static u16 control_devconf1_offset;
+static u16 control_mmc1;
 
 #define HSMMC_NAME_LEN	9
 
@@ -42,7 +43,7 @@ static int hsmmc_get_context_loss(struct device *dev)
 #define hsmmc_get_context_loss NULL
 #endif
 
-static void hsmmc1_before_set_reg(struct device *dev, int slot,
+static void omap_hsmmc1_before_set_reg(struct device *dev, int slot,
 				  int power_on, int vdd)
 {
 	u32 reg, prog_io;
@@ -95,7 +96,7 @@ static void hsmmc1_before_set_reg(struct device *dev, int slot,
 	}
 }
 
-static void hsmmc1_after_set_reg(struct device *dev, int slot,
+static void omap_hsmmc1_after_set_reg(struct device *dev, int slot,
 				 int power_on, int vdd)
 {
 	u32 reg;
@@ -119,6 +120,60 @@ static void hsmmc1_after_set_reg(struct device *dev, int slot,
 	}
 }
 
+static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot,
+				  int power_on, int vdd)
+{
+	u32 reg;
+
+	/*
+	 * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
+	 * card with Vcc regulator (from twl4030 or whatever).  OMAP has both
+	 * 1.8V and 3.0V modes, controlled by the PBIAS register.
+	 *
+	 * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which
+	 * is most naturally TWL VSIM; those pins also use PBIAS.
+	 *
+	 * FIXME handle VMMC1A as needed ...
+	 */
+	reg = omap_ctrl_readl(control_pbias_offset);
+	reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ | OMAP4_MMC1_PWRDNZ |
+					OMAP4_USBC1_ICUSB_PWRDNZ);
+	omap_ctrl_writel(reg, control_pbias_offset);
+}
+
+static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
+				 int power_on, int vdd)
+{
+	u32 reg;
+
+	if (power_on) {
+		reg = omap_ctrl_readl(control_pbias_offset);
+		reg |= OMAP4_MMC1_PBIASLITE_PWRDNZ;
+		if ((1 << vdd) <= MMC_VDD_165_195)
+			reg &= ~OMAP4_MMC1_PBIASLITE_VMODE;
+		else
+			reg |= OMAP4_MMC1_PBIASLITE_VMODE;
+		reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ | OMAP4_MMC1_PWRDNZ |
+						OMAP4_USBC1_ICUSB_PWRDNZ);
+		omap_ctrl_writel(reg, control_pbias_offset);
+		/* 4 microsec delay for comparator to generate an error*/
+		udelay(4);
+		reg = omap_ctrl_readl(control_pbias_offset);
+		if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR) {
+			pr_err("Pbias Voltage is not same as LDO\n");
+			/* Caution : On VMODE_ERROR Power Down MMC IO */
+			reg &= ~(OMAP4_MMC1_PWRDNZ | OMAP4_USBC1_ICUSB_PWRDNZ);
+			omap_ctrl_writel(reg, control_pbias_offset);
+		}
+	} else {
+		reg = omap_ctrl_readl(control_pbias_offset);
+		 reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ |
+			OMAP4_MMC1_PBIASLITE_VMODE | OMAP4_MMC1_PWRDNZ |
+			OMAP4_USBC1_ICUSB_PWRDNZ);
+		omap_ctrl_writel(reg, control_pbias_offset);
+	}
+}
+
 static void hsmmc23_before_set_reg(struct device *dev, int slot,
 				   int power_on, int vdd)
 {
@@ -152,13 +207,28 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
 	struct omap2_hsmmc_info *c;
 	int nr_hsmmc = ARRAY_SIZE(hsmmc_data);
 	int i;
+	u32 reg;
 
-	if (cpu_is_omap2430()) {
-		control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
-		control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
+	if (!cpu_is_omap44xx()) {
+		if (cpu_is_omap2430()) {
+			control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
+			control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
+		} else {
+			control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
+			control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
+		}
 	} else {
-		control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
-		control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
+		control_pbias_offset = OMAP44XX_CONTROL_PBIAS_LITE;
+		control_mmc1 = OMAP44XX_CONTROL_MMC1;
+		reg = omap_ctrl_readl(control_mmc1);
+		reg |= (OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP0 |
+			OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP1);
+		reg &= ~(OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP2 |
+			OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP3);
+		reg |= (OMAP4_CONTROL_SDMMC1_DR0_SPEEDCTRL |
+			OMAP4_CONTROL_SDMMC1_DR1_SPEEDCTRL |
+			OMAP4_CONTROL_SDMMC1_DR2_SPEEDCTRL);
+		omap_ctrl_writel(reg, control_mmc1);
 	}
 
 	for (c = controllers; c->mmc; c++) {
@@ -231,8 +301,17 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
 		case 1:
 			if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
 				/* on-chip level shifting via PBIAS0/PBIAS1 */
-				mmc->slots[0].before_set_reg = hsmmc1_before_set_reg;
-				mmc->slots[0].after_set_reg = hsmmc1_after_set_reg;
+				if (cpu_is_omap44xx()) {
+					mmc->slots[0].before_set_reg =
+						omap4_hsmmc1_before_set_reg;
+					mmc->slots[0].after_set_reg =
+						omap4_hsmmc1_after_set_reg;
+				} else {
+					mmc->slots[0].before_set_reg =
+						omap_hsmmc1_before_set_reg;
+					mmc->slots[0].after_set_reg =
+						omap_hsmmc1_after_set_reg;
+				}
 			}
 
 			/* Omap3630 HSMMC1 supports only 4-bit */
diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h
index a56deee9767..131bf405c2f 100644
--- a/arch/arm/plat-omap/include/plat/control.h
+++ b/arch/arm/plat-omap/include/plat/control.h
@@ -207,6 +207,9 @@
 /* 44xx control status register offset */
 #define OMAP44XX_CONTROL_STATUS		0x2c4
 
+/* 44xx-only CONTROL_GENERAL register offsets */
+#define OMAP44XX_CONTROL_MMC1			0x628
+#define OMAP44XX_CONTROL_PBIAS_LITE		0x600
 /*
  * REVISIT: This list of registers is not comprehensive - there are more
  * that should be added.
@@ -252,6 +255,23 @@
 #define OMAP2_PBIASLITEPWRDNZ0		(1 << 1)
 #define OMAP2_PBIASLITEVMODE0		(1 << 0)
 
+/* CONTROL_PBIAS_LITE bits for OMAP4 */
+#define OMAP4_MMC1_PWRDNZ			(1 << 26)
+#define OMAP4_MMC1_PBIASLITE_HIZ_MODE		(1 << 25)
+#define OMAP4_MMC1_PBIASLITE_SUPPLY_HI_OUT	(1 << 24)
+#define OMAP4_MMC1_PBIASLITE_VMODE_ERROR	(1 << 23)
+#define OMAP4_MMC1_PBIASLITE_PWRDNZ		(1 << 22)
+#define OMAP4_MMC1_PBIASLITE_VMODE		(1 << 21)
+#define OMAP4_USBC1_ICUSB_PWRDNZ		(1 << 20)
+
+#define OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP0	(1 << 31)
+#define OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP1	(1 << 30)
+#define OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP2	(1 << 29)
+#define OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP3	(1 << 28)
+#define OMAP4_CONTROL_SDMMC1_DR0_SPEEDCTRL	(1 << 27)
+#define OMAP4_CONTROL_SDMMC1_DR1_SPEEDCTRL	(1 << 26)
+#define OMAP4_CONTROL_SDMMC1_DR2_SPEEDCTRL	(1 << 25)
+
 /* CONTROL_PROG_IO1 bits */
 #define OMAP3630_PRG_SDMMC1_SPEEDCTRL	(1 << 20)
 

From ebe6d428ed2ddbcbf4b60d2ef0a4a7023685bede Mon Sep 17 00:00:00 2001
From: kishore kadiyala <kishore.kadiyala@ti.com>
Date: Sat, 15 May 2010 18:21:36 +0000
Subject: [PATCH 2357/3638] omap4: Enable HSMMC support

Enables HSMMC support for OMAP4430 defconfig

Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap_4430sdp_defconfig | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/omap_4430sdp_defconfig b/arch/arm/configs/omap_4430sdp_defconfig
index 25e8d048fc1..1fb04567f6e 100644
--- a/arch/arm/configs/omap_4430sdp_defconfig
+++ b/arch/arm/configs/omap_4430sdp_defconfig
@@ -810,7 +810,24 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_SOUND is not set
 # CONFIG_HID_SUPPORT is not set
 # CONFIG_USB_SUPPORT is not set
-# CONFIG_MMC is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_OMAP is not set
+CONFIG_MMC_OMAP_HS=y
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set

From 9cbc34939c6d520a979cdb624a421204882a8ded Mon Sep 17 00:00:00 2001
From: Jason <lzg@ema-tech.com>
Date: Mon, 17 May 2010 14:39:09 +0800
Subject: [PATCH 2358/3638] omap3: Add support for OMAP3Stalker boards

Add support for OMAP3Stalker boards

Signed-off-by: Jason Lam <lzg@ema-tech.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/Kconfig              |   6 +
 arch/arm/mach-omap2/Makefile             |   2 +
 arch/arm/mach-omap2/board-omap3stalker.c | 672 +++++++++++++++++++++++
 3 files changed, 680 insertions(+)
 create mode 100644 arch/arm/mach-omap2/board-omap3stalker.c

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 99abac2a8c5..b31b6f12312 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -142,6 +142,12 @@ config MACH_IGEP0020
 	depends on ARCH_OMAP3
 	select OMAP_PACKAGE_CBB
 
+config MACH_SBC3530
+	bool "OMAP3 SBC STALKER board"
+	depends on ARCH_OMAP3
+	select OMAP_PACKAGE_CUS
+	select OMAP_MUX
+
 config MACH_OMAP_3630SDP
 	bool "OMAP3630 SDP board"
 	depends on ARCH_OMAP3
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index a7994534936..d28e9e5702a 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -142,6 +142,8 @@ obj-$(CONFIG_MACH_OMAP_4430SDP)		+= board-4430sdp.o \
 
 obj-$(CONFIG_MACH_OMAP3517EVM)		+= board-am3517evm.o
 
+obj-$(CONFIG_MACH_SBC3530)		+= board-omap3stalker.o \
+					   hsmmc.o
 # Platform specific device init code
 obj-y					+= usb-musb.o
 obj-$(CONFIG_MACH_OMAP2_TUSB6010)	+= usb-tusb6010.o
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
new file mode 100644
index 00000000000..f848ba8dbc1
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -0,0 +1,672 @@
+/*
+ * linux/arch/arm/mach-omap2/board-omap3evm.c
+ *
+ * Copyright (C) 2008 Guangzhou EMA-Tech
+ *
+ * Modified from mach-omap2/board-omap3evm.c
+ *
+ * Initial code: Syed Mohammed Khasim
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#include <linux/regulator/machine.h>
+#include <linux/i2c/twl.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/gpmc.h>
+#include <plat/nand.h>
+#include <plat/usb.h>
+#include <plat/timer-gp.h>
+#include <plat/display.h>
+
+#include <plat/mcspi.h>
+#include <linux/input/matrix_keypad.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/interrupt.h>
+#include <linux/smsc911x.h>
+#include <linux/i2c/at24.h>
+
+#include "sdram-micron-mt46h32m32lf-6.h"
+#include "mux.h"
+#include "hsmmc.h"
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+#define OMAP3STALKER_ETHR_START	0x2c000000
+#define OMAP3STALKER_ETHR_SIZE	1024
+#define OMAP3STALKER_ETHR_GPIO_IRQ	19
+#define OMAP3STALKER_SMC911X_CS	5
+
+static struct resource omap3stalker_smsc911x_resources[] = {
+	[0] = {
+	       .start	= OMAP3STALKER_ETHR_START,
+	       .end	=
+	       (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1),
+	       .flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+	       .start	= OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
+	       .end	= OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
+	       .flags	= (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
+	},
+};
+
+static struct smsc911x_platform_config smsc911x_config = {
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+	.flags		= (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
+};
+
+static struct platform_device omap3stalker_smsc911x_device = {
+	.name		= "smsc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(omap3stalker_smsc911x_resources),
+	.resource	= &omap3stalker_smsc911x_resources[0],
+	.dev		= {
+		.platform_data	= &smsc911x_config,
+	},
+};
+
+static inline void __init omap3stalker_init_eth(void)
+{
+	int eth_cs;
+	struct clk *l3ck;
+	unsigned int rate;
+
+	eth_cs = OMAP3STALKER_SMC911X_CS;
+
+	l3ck = clk_get(NULL, "l3_ck");
+	if (IS_ERR(l3ck))
+		rate = 100000000;
+	else
+		rate = clk_get_rate(l3ck);
+
+	omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
+	if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
+		printk(KERN_ERR
+		       "Failed to request GPIO%d for smc911x IRQ\n",
+		       OMAP3STALKER_ETHR_GPIO_IRQ);
+		return;
+	}
+
+	gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ);
+
+	platform_device_register(&omap3stalker_smsc911x_device);
+}
+
+#else
+static inline void __init omap3stalker_init_eth(void)
+{
+	return;
+}
+#endif
+
+/*
+ * OMAP3 DSS control signals
+ */
+
+#define DSS_ENABLE_GPIO	199
+#define LCD_PANEL_BKLIGHT_GPIO	210
+#define ENABLE_VPLL2_DEV_GRP	0xE0
+
+static int lcd_enabled;
+static int dvi_enabled;
+
+static void __init omap3_stalker_display_init(void)
+{
+	return;
+}
+
+static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
+{
+	if (dvi_enabled) {
+		printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
+		return -EINVAL;
+	}
+	gpio_set_value(DSS_ENABLE_GPIO, 1);
+	gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
+	lcd_enabled = 1;
+	return 0;
+}
+
+static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
+{
+	gpio_set_value(DSS_ENABLE_GPIO, 0);
+	gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
+	lcd_enabled = 0;
+}
+
+static struct omap_dss_device omap3_stalker_lcd_device = {
+	.name			= "lcd",
+	.driver_name		= "generic_panel",
+	.phy.dpi.data_lines	= 24,
+	.type			= OMAP_DISPLAY_TYPE_DPI,
+	.platform_enable	= omap3_stalker_enable_lcd,
+	.platform_disable	= omap3_stalker_disable_lcd,
+};
+
+static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
+{
+	return 0;
+}
+
+static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
+{
+}
+
+static struct omap_dss_device omap3_stalker_tv_device = {
+	.name			= "tv",
+	.driver_name		= "venc",
+	.type			= OMAP_DISPLAY_TYPE_VENC,
+#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
+	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
+#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
+	.u.venc.type		= OMAP_DSS_VENC_TYPE_COMPOSITE,
+#endif
+	.platform_enable	= omap3_stalker_enable_tv,
+	.platform_disable	= omap3_stalker_disable_tv,
+};
+
+static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
+{
+	if (lcd_enabled) {
+		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+		return -EINVAL;
+	}
+	gpio_set_value(DSS_ENABLE_GPIO, 1);
+	dvi_enabled = 1;
+	return 0;
+}
+
+static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
+{
+	gpio_set_value(DSS_ENABLE_GPIO, 0);
+	dvi_enabled = 0;
+}
+
+static struct omap_dss_device omap3_stalker_dvi_device = {
+	.name			= "dvi",
+	.driver_name		= "generic_panel",
+	.type			= OMAP_DISPLAY_TYPE_DPI,
+	.phy.dpi.data_lines	= 24,
+	.platform_enable	= omap3_stalker_enable_dvi,
+	.platform_disable	= omap3_stalker_disable_dvi,
+};
+
+static struct omap_dss_device *omap3_stalker_dss_devices[] = {
+	&omap3_stalker_lcd_device,
+	&omap3_stalker_tv_device,
+	&omap3_stalker_dvi_device,
+};
+
+static struct omap_dss_board_info omap3_stalker_dss_data = {
+	.num_devices	= ARRAY_SIZE(omap3_stalker_dss_devices),
+	.devices	= omap3_stalker_dss_devices,
+	.default_device	= &omap3_stalker_dvi_device,
+};
+
+static struct platform_device omap3_stalker_dss_device = {
+	.name	= "omapdss",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &omap3_stalker_dss_data,
+	},
+};
+
+static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
+	.supply		= "vmmc",
+};
+
+static struct regulator_consumer_supply omap3stalker_vsim_supply = {
+	.supply		= "vmmc_aux",
+};
+
+/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
+static struct regulator_init_data omap3stalker_vmmc1 = {
+	.constraints		= {
+		.min_uV			= 1850000,
+		.max_uV			= 3150000,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+		| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
+		| REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= 1,
+	.consumer_supplies	= &omap3stalker_vmmc1_supply,
+};
+
+/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
+static struct regulator_init_data omap3stalker_vsim = {
+	.constraints		= {
+		.min_uV			= 1800000,
+		.max_uV			= 3000000,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+		| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
+		| REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= 1,
+	.consumer_supplies	= &omap3stalker_vsim_supply,
+};
+
+static struct omap2_hsmmc_info mmc[] = {
+	{
+	 .mmc		= 1,
+	 .wires		= 4,
+	 .gpio_cd	= -EINVAL,
+	 .gpio_wp	= 23,
+	 },
+	{}			/* Terminator */
+};
+
+static struct gpio_keys_button gpio_buttons[] = {
+	{
+	 .code		= BTN_EXTRA,
+	 .gpio		= 18,
+	 .desc		= "user",
+	 .wakeup	= 1,
+	 },
+};
+
+static struct gpio_keys_platform_data gpio_key_info = {
+	.buttons	= gpio_buttons,
+	.nbuttons	= ARRAY_SIZE(gpio_buttons),
+};
+
+static struct platform_device keys_gpio = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &gpio_key_info,
+	},
+};
+
+static struct gpio_led gpio_leds[] = {
+	{
+	 .name			= "stalker:D8:usr0",
+	 .default_trigger	= "default-on",
+	 .gpio			= 126,
+	 },
+	{
+	 .name			= "stalker:D9:usr1",
+	 .default_trigger	= "default-on",
+	 .gpio			= 127,
+	 },
+	{
+	 .name			= "stalker:D3:mmc0",
+	 .gpio			= -EINVAL,	/* gets replaced */
+	 .active_low		= true,
+	 .default_trigger	= "mmc0",
+	 },
+	{
+	 .name			= "stalker:D4:heartbeat",
+	 .gpio			= -EINVAL,	/* gets replaced */
+	 .active_low		= true,
+	 .default_trigger	= "heartbeat",
+	 },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+	.leds		= gpio_leds,
+	.num_leds	= ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &gpio_led_info,
+	},
+};
+
+static int
+omap3stalker_twl_gpio_setup(struct device *dev,
+			    unsigned gpio, unsigned ngpio)
+{
+	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
+	omap_mux_init_gpio(23, OMAP_PIN_INPUT);
+	mmc[0].gpio_cd = gpio + 0;
+	omap2_hsmmc_init(mmc);
+
+	/* link regulators to MMC adapters */
+	omap3stalker_vmmc1_supply.dev = mmc[0].dev;
+	omap3stalker_vsim_supply.dev = mmc[0].dev;
+
+	/*
+	 * Most GPIOs are for USB OTG.  Some are mostly sent to
+	 * the P2 connector; notably LEDA for the LCD backlight.
+	 */
+
+	/* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
+	gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
+	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
+
+	/* gpio + 7 == DVI Enable */
+	gpio_request(gpio + 7, "EN_DVI");
+	gpio_direction_output(gpio + 7, 0);
+
+	/* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
+	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+	/* GPIO + 13 == ledsync (out, heartbeat) */
+	gpio_leds[3].gpio = gpio + 13;
+
+	platform_device_register(&leds_gpio);
+	return 0;
+}
+
+static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+	.irq_base	= TWL4030_GPIO_IRQ_BASE,
+	.irq_end	= TWL4030_GPIO_IRQ_END,
+	.use_leds	= true,
+	.setup		= omap3stalker_twl_gpio_setup,
+};
+
+static struct twl4030_usb_data omap3stalker_usb_data = {
+	.usb_mode	= T2_USB_MODE_ULPI,
+};
+
+static int board_keymap[] = {
+	KEY(0, 0, KEY_LEFT),
+	KEY(0, 1, KEY_DOWN),
+	KEY(0, 2, KEY_ENTER),
+	KEY(0, 3, KEY_M),
+
+	KEY(1, 0, KEY_RIGHT),
+	KEY(1, 1, KEY_UP),
+	KEY(1, 2, KEY_I),
+	KEY(1, 3, KEY_N),
+
+	KEY(2, 0, KEY_A),
+	KEY(2, 1, KEY_E),
+	KEY(2, 2, KEY_J),
+	KEY(2, 3, KEY_O),
+
+	KEY(3, 0, KEY_B),
+	KEY(3, 1, KEY_F),
+	KEY(3, 2, KEY_K),
+	KEY(3, 3, KEY_P)
+};
+
+static struct matrix_keymap_data board_map_data = {
+	.keymap		= board_keymap,
+	.keymap_size	= ARRAY_SIZE(board_keymap),
+};
+
+static struct twl4030_keypad_data omap3stalker_kp_data = {
+	.keymap_data	= &board_map_data,
+	.rows		= 4,
+	.cols		= 4,
+	.rep		= 1,
+};
+
+static struct twl4030_madc_platform_data omap3stalker_madc_data = {
+	.irq_line	= 1,
+};
+
+static struct twl4030_codec_audio_data omap3stalker_audio_data = {
+	.audio_mclk	= 26000000,
+};
+
+static struct twl4030_codec_data omap3stalker_codec_data = {
+	.audio_mclk	= 26000000,
+	.audio		= &omap3stalker_audio_data,
+};
+
+static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = {
+	.supply		= "vdda_dac",
+	.dev		= &omap3_stalker_dss_device.dev,
+};
+
+/* VDAC for DSS driving S-Video */
+static struct regulator_init_data omap3_stalker_vdac = {
+	.constraints		= {
+		.min_uV			= 1800000,
+		.max_uV			= 1800000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+		| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_MODE
+		| REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= 1,
+	.consumer_supplies	= &omap3_stalker_vdda_dac_supply,
+};
+
+/* VPLL2 for digital video outputs */
+static struct regulator_consumer_supply omap3_stalker_vpll2_supply = {
+	.supply		= "vdds_dsi",
+	.dev		= &omap3_stalker_lcd_device.dev,
+};
+
+static struct regulator_init_data omap3_stalker_vpll2 = {
+	.constraints		= {
+		.name			= "VDVI",
+		.min_uV			= 1800000,
+		.max_uV			= 1800000,
+		.apply_uV = true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+		| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_MODE
+		| REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= 1,
+	.consumer_supplies	= &omap3_stalker_vpll2_supply,
+};
+
+static struct twl4030_platform_data omap3stalker_twldata = {
+	.irq_base	= TWL4030_IRQ_BASE,
+	.irq_end	= TWL4030_IRQ_END,
+
+	/* platform_data for children goes here */
+	.keypad		= &omap3stalker_kp_data,
+	.madc		= &omap3stalker_madc_data,
+	.usb		= &omap3stalker_usb_data,
+	.gpio		= &omap3stalker_gpio_data,
+	.codec		= &omap3stalker_codec_data,
+	.vdac		= &omap3_stalker_vdac,
+	.vpll2		= &omap3_stalker_vpll2,
+};
+
+static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = {
+	{
+	 I2C_BOARD_INFO("twl4030", 0x48),
+	 .flags		= I2C_CLIENT_WAKE,
+	 .irq		= INT_34XX_SYS_NIRQ,
+	 .platform_data	= &omap3stalker_twldata,
+	 },
+};
+
+static struct at24_platform_data fram_info = {
+	.byte_len	= (64 * 1024) / 8,
+	.page_size	= 8192,
+	.flags		= AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
+};
+
+static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
+	{
+	 I2C_BOARD_INFO("24c64", 0x50),
+	 .flags		= I2C_CLIENT_WAKE,
+	 .platform_data	= &fram_info,
+	 },
+};
+
+static int __init omap3_stalker_i2c_init(void)
+{
+	/*
+	 * REVISIT: These entries can be set in omap3evm_twl_data
+	 * after a merge with MFD tree
+	 */
+	omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1;
+	omap3stalker_twldata.vsim = &omap3stalker_vsim;
+
+	omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo,
+			      ARRAY_SIZE(omap3stalker_i2c_boardinfo));
+	omap_register_i2c_bus(2, 400, NULL, 0);
+	omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
+			      ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
+	return 0;
+}
+
+#define OMAP3_STALKER_TS_GPIO	175
+static void ads7846_dev_init(void)
+{
+	if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0)
+		printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
+
+	gpio_direction_input(OMAP3_STALKER_TS_GPIO);
+
+	omap_set_gpio_debounce(OMAP3_STALKER_TS_GPIO, 1);
+	omap_set_gpio_debounce_time(OMAP3_STALKER_TS_GPIO, 0xa);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+	return !gpio_get_value(OMAP3_STALKER_TS_GPIO);
+}
+
+static struct ads7846_platform_data ads7846_config = {
+	.x_max			= 0x0fff,
+	.y_max			= 0x0fff,
+	.x_plate_ohms		= 180,
+	.pressure_max		= 255,
+	.debounce_max		= 10,
+	.debounce_tol		= 3,
+	.debounce_rep		= 1,
+	.get_pendown_state	= ads7846_get_pendown_state,
+	.keep_vref_on		= 1,
+	.settle_delay_usecs	= 150,
+};
+
+static struct omap2_mcspi_device_config ads7846_mcspi_config = {
+	.turbo_mode		= 0,
+	.single_channel		= 1,	/* 0: slave, 1: master */
+};
+
+struct spi_board_info omap3stalker_spi_board_info[] = {
+	[0] = {
+	       .modalias	= "ads7846",
+	       .bus_num		= 1,
+	       .chip_select	= 0,
+	       .max_speed_hz	= 1500000,
+	       .controller_data	= &ads7846_mcspi_config,
+	       .irq		= OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO),
+	       .platform_data	= &ads7846_config,
+	},
+};
+
+static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
+};
+
+static void __init omap3_stalker_init_irq(void)
+{
+	omap_board_config = omap3_stalker_config;
+	omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
+	omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
+	omap_init_irq();
+#ifdef CONFIG_OMAP_32K_TIMER
+	omap2_gp_clockevent_set_gptimer(12);
+#endif
+	omap_gpio_init();
+}
+
+static struct platform_device *omap3_stalker_devices[] __initdata = {
+	&omap3_stalker_dss_device,
+	&keys_gpio,
+};
+
+static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
+	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+
+	.phy_reset = true,
+	.reset_gpio_port[0] = -EINVAL,
+	.reset_gpio_port[1] = 21,
+	.reset_gpio_port[2] = -EINVAL,
+};
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
+		  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
+	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
+		  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
+	{.reg_offset = OMAP_MUX_TERMINATOR},
+};
+#else
+#define board_mux	NULL
+#endif
+
+static struct omap_musb_board_data musb_board_data = {
+	.interface_type	= MUSB_INTERFACE_ULPI,
+	.mode		= MUSB_OTG,
+	.power		= 100,
+};
+
+static void __init omap3_stalker_init(void)
+{
+	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
+
+	omap3_stalker_i2c_init();
+
+	platform_add_devices(omap3_stalker_devices,
+			     ARRAY_SIZE(omap3_stalker_devices));
+
+	spi_register_board_info(omap3stalker_spi_board_info,
+				ARRAY_SIZE(omap3stalker_spi_board_info));
+
+	omap_serial_init();
+	usb_musb_init(&musb_board_data);
+	usb_ehci_init(&ehci_pdata);
+	ads7846_dev_init();
+
+	omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
+	omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
+
+	omap3stalker_init_eth();
+	omap3_stalker_display_init();
+/* Ensure SDRC pins are mux'd for self-refresh */
+	omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
+}
+
+static void __init omap3_stalker_map_io(void)
+{
+	omap2_set_globals_343x();
+	omap34xx_map_common_io();
+}
+
+MACHINE_START(SBC3530, "OMAP3 STALKER")
+	/* Maintainer: Jason Lam -lzg@ema-tech.com */
+	.phys_io		= 0x48000000,
+	.io_pg_offst		= ((0xfa000000) >> 18) & 0xfffc,
+	.boot_params		= 0x80000100,
+	.map_io			= omap3_stalker_map_io,
+	.init_irq		= omap3_stalker_init_irq,
+	.init_machine		= omap3_stalker_init,
+	.timer			= &omap_timer,
+MACHINE_END

From b20f01031772e90ba5ee95966f7cfe58760fbc95 Mon Sep 17 00:00:00 2001
From: Jason Lam <lzg@ema-tech.com>
Date: Wed, 3 Mar 2010 05:48:51 +0000
Subject: [PATCH 2359/3638] omap3: Add OMAP3 Stalker board LK-S defconfig

Add OMAP3 Stalker board LK-S defconfig.

Signed-off-by: Jason Lam <lzg@ema-tech.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap3_stalker_lks_defconfig | 1691 ++++++++++++++++++
 1 file changed, 1691 insertions(+)
 create mode 100644 arch/arm/configs/omap3_stalker_lks_defconfig

diff --git a/arch/arm/configs/omap3_stalker_lks_defconfig b/arch/arm/configs/omap3_stalker_lks_defconfig
new file mode 100644
index 00000000000..83365f075ce
--- /dev/null
+++ b/arch/arm/configs/omap3_stalker_lks_defconfig
@@ -0,0 +1,1691 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.34-rc7
+# Mon May 17 16:57:28 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_HAVE_PROC_CPU=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_ARCH_HAS_CPUFREQ=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_ARM_L1_CACHE_SHIFT_6=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
+
+#
+# Kernel Performance Events And Counters
+#
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SRCVERSION_ALL=y
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+CONFIG_FREEZER=y
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PV210 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_DAVINCI is not set
+CONFIG_ARCH_OMAP=y
+
+#
+# TI OMAP Implementations
+#
+CONFIG_ARCH_OMAP_OTG=y
+# CONFIG_ARCH_OMAP1 is not set
+CONFIG_ARCH_OMAP2PLUS=y
+# CONFIG_ARCH_OMAP2 is not set
+CONFIG_ARCH_OMAP3=y
+# CONFIG_ARCH_OMAP4 is not set
+
+#
+# OMAP Feature Selections
+#
+CONFIG_OMAP_RESET_CLOCKS=y
+CONFIG_OMAP_MUX=y
+# CONFIG_OMAP_MUX_DEBUG is not set
+CONFIG_OMAP_MUX_WARNINGS=y
+# CONFIG_OMAP_MCBSP is not set
+# CONFIG_OMAP_MBOX_FWK is not set
+# CONFIG_OMAP_MPU_TIMER is not set
+CONFIG_OMAP_32K_TIMER=y
+# CONFIG_OMAP3_L2_AUX_SECURE_SAVE_RESTORE is not set
+CONFIG_OMAP_32K_TIMER_HZ=128
+CONFIG_OMAP_DM_TIMER=y
+# CONFIG_OMAP_PM_NONE is not set
+CONFIG_OMAP_PM_NOOP=y
+CONFIG_ARCH_OMAP3430=y
+CONFIG_OMAP_PACKAGE_CUS=y
+
+#
+# OMAP Board Type
+#
+# CONFIG_MACH_OMAP3_BEAGLE is not set
+# CONFIG_MACH_DEVKIT8000 is not set
+# CONFIG_MACH_OMAP_LDP is not set
+# CONFIG_MACH_OVERO is not set
+# CONFIG_MACH_OMAP3EVM is not set
+# CONFIG_MACH_OMAP3517EVM is not set
+# CONFIG_MACH_OMAP3_PANDORA is not set
+# CONFIG_MACH_OMAP3_TOUCHBOOK is not set
+# CONFIG_MACH_OMAP_3430SDP is not set
+# CONFIG_MACH_NOKIA_RX51 is not set
+# CONFIG_MACH_OMAP_ZOOM2 is not set
+# CONFIG_MACH_OMAP_ZOOM3 is not set
+# CONFIG_MACH_CM_T35 is not set
+# CONFIG_MACH_IGEP0020 is not set
+CONFIG_MACH_SBC3530=y
+# CONFIG_MACH_OMAP_3630SDP is not set
+# CONFIG_OMAP3_EMU is not set
+# CONFIG_OMAP3_SDRC_AC_TIMING is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_V7=y
+CONFIG_CPU_32v7=y
+CONFIG_CPU_ABRT_EV7=y
+CONFIG_CPU_PABRT_V7=y
+CONFIG_CPU_CACHE_V7=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V7=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_ARM_THUMBEE is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_HAS_TLS_REG=y
+CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_CPU_HAS_PMU=y
+# CONFIG_ARM_ERRATA_430973 is not set
+# CONFIG_ARM_ERRATA_458693 is not set
+# CONFIG_ARM_ERRATA_460075 is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=128
+# CONFIG_THUMB2_KERNEL is not set
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+# CONFIG_LEDS is not set
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="root=/dev/nfs nfsroot=192.168.0.1:/home/user/buildroot ip=192.168.0.2:192.168.0.1:192.168.0.1:255.255.255.0:tgt:eth0:off rw console=ttyS2,115200n8"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_FREQ is not set
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+CONFIG_VFP=y
+CONFIG_VFPv3=y
+CONFIG_NEON=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+CONFIG_BINFMT_MISC=y
+
+#
+# Power management options
+#
+CONFIG_PM=y
+CONFIG_PM_DEBUG=y
+# CONFIG_PM_ADVANCED_DEBUG is not set
+# CONFIG_PM_VERBOSE is not set
+CONFIG_CAN_PM_TRACE=y
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_APM_EMULATION is not set
+# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_OPS=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_NET_KEY=y
+# CONFIG_NET_KEY_MIGRATE is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_LIB80211 is not set
+
+#
+# CFG80211 needs to be enabled for MAC80211
+#
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+# CONFIG_MTD_NAND_GPIO is not set
+# CONFIG_MTD_NAND_OMAP2 is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+CONFIG_MTD_ONENAND=y
+CONFIG_MTD_ONENAND_VERIFY_WRITE=y
+# CONFIG_MTD_ONENAND_GENERIC is not set
+CONFIG_MTD_ONENAND_OMAP2=y
+# CONFIG_MTD_ONENAND_OTP is not set
+# CONFIG_MTD_ONENAND_2X_PROGRAM is not set
+# CONFIG_MTD_ONENAND_SIM is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=16384
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MG_DISK is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+CONFIG_SCSI_MOD=y
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_MICREL_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_TI_DAVINCI_EMAC is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+CONFIG_SMSC911X=y
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+CONFIG_WLAN=y
+# CONFIG_USB_ZD1201 is not set
+# CONFIG_HOSTAP is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_USB_IPHETH is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_QT2160 is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+CONFIG_KEYBOARD_TWL4030=y
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_ADS7846=y
+# CONFIG_TOUCHSCREEN_AD7877 is not set
+# CONFIG_TOUCHSCREEN_AD7879_I2C is not set
+# CONFIG_TOUCHSCREEN_AD7879_SPI is not set
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_EETI is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=32
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_8250_DETECT_IRQ=y
+CONFIG_SERIAL_8250_RSA=y
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_MAX3100 is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_OMAP=y
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
+CONFIG_SPI_OMAP24XX=y
+# CONFIG_SPI_XILINX is not set
+# CONFIG_SPI_DESIGNWARE is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+# CONFIG_GPIO_IT8761E is not set
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX7300 is not set
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+CONFIG_GPIO_TWL4030=y
+# CONFIG_GPIO_ADP5588 is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_OMAP_WATCHDOG=y
+# CONFIG_TWL4030_WATCHDOG is not set
+# CONFIG_MAX63XX_WATCHDOG is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
+# CONFIG_TPS65010 is not set
+CONFIG_TWL4030_CORE=y
+# CONFIG_TWL4030_POWER is not set
+# CONFIG_TWL4030_CODEC is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_AB4500_CORE is not set
+CONFIG_REGULATOR=y
+# CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_DUMMY is not set
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
+# CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_REGULATOR_MAX1586 is not set
+# CONFIG_REGULATOR_MAX8649 is not set
+# CONFIG_REGULATOR_MAX8660 is not set
+CONFIG_REGULATOR_TWL4030=y
+# CONFIG_REGULATOR_LP3971 is not set
+# CONFIG_REGULATOR_TPS65023 is not set
+# CONFIG_REGULATOR_TPS6507X is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+CONFIG_VIDEO_OUTPUT_CONTROL=m
+# CONFIG_FB is not set
+# CONFIG_OMAP2_DSS is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+# CONFIG_HID_3M_PCT is not set
+# CONFIG_HID_A4TECH is not set
+# CONFIG_HID_APPLE is not set
+# CONFIG_HID_BELKIN is not set
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
+# CONFIG_HID_CYPRESS is not set
+# CONFIG_HID_DRAGONRISE is not set
+# CONFIG_HID_EZKEY is not set
+# CONFIG_HID_KYE is not set
+# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_TWINHAN is not set
+# CONFIG_HID_KENSINGTON is not set
+# CONFIG_HID_LOGITECH is not set
+# CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MOSART is not set
+# CONFIG_HID_MONTEREY is not set
+# CONFIG_HID_NTRIG is not set
+# CONFIG_HID_ORTEK is not set
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_QUANTA is not set
+# CONFIG_HID_SAMSUNG is not set
+# CONFIG_HID_SONY is not set
+# CONFIG_HID_STANTUM is not set
+# CONFIG_HID_SUNPLUS is not set
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_ZEROPLUS is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+# CONFIG_USB_DEVICE_CLASS is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+CONFIG_USB_OTG=y
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_EHCI_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
+# CONFIG_USB_OHCI_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+CONFIG_USB_MUSB_HDRC=y
+CONFIG_USB_MUSB_SOC=y
+
+#
+# OMAP 343x high speed USB support
+#
+# CONFIG_USB_MUSB_HOST is not set
+# CONFIG_USB_MUSB_PERIPHERAL is not set
+CONFIG_USB_MUSB_OTG=y
+CONFIG_USB_GADGET_MUSB_HDRC=y
+CONFIG_USB_MUSB_HDRC_HCD=y
+# CONFIG_MUSB_PIO_ONLY is not set
+CONFIG_USB_INVENTRA_DMA=y
+# CONFIG_USB_TI_CPPI_DMA is not set
+# CONFIG_USB_MUSB_DEBUG is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_SISUSBVGA is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+CONFIG_USB_TEST=y
+# CONFIG_USB_ISIGHTFW is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_R8A66597 is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
+# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+CONFIG_USB_ZERO=m
+# CONFIG_USB_ZERO_HNPTEST is not set
+# CONFIG_USB_AUDIO is not set
+# CONFIG_USB_ETH is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_MASS_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_USB_G_NOKIA is not set
+# CONFIG_USB_G_MULTI is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_ISP1301_OMAP is not set
+# CONFIG_USB_ULPI is not set
+CONFIG_TWL4030_USB=y
+# CONFIG_NOP_USB_XCEIV is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_OMAP is not set
+CONFIG_MMC_OMAP_HS=y
+# CONFIG_MMC_SPI is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4_FS is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+CONFIG_QUOTA=y
+# CONFIG_QUOTA_NETLINK_INTERFACE is not set
+CONFIG_PRINT_QUOTA_WARNING=y
+# CONFIG_QUOTA_DEBUG is not set
+CONFIG_QUOTA_TREE=y
+# CONFIG_QFMT_V1 is not set
+CONFIG_QFMT_V2=y
+CONFIG_QUOTACTL=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+CONFIG_JFFS2_COMPRESSION_OPTIONS=y
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_JFFS2_CMODE_NONE is not set
+CONFIG_JFFS2_CMODE_PRIORITY=y
+# CONFIG_JFFS2_CMODE_SIZE is not set
+# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
+# CONFIG_LOGFS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+CONFIG_NFS_V4=y
+# CONFIG_NFS_V4_1 is not set
+CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_LKDTM is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+# CONFIG_DEBUG_USER is not set
+# CONFIG_DEBUG_ERRORS is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
+# CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=m
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=y
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+CONFIG_LIBCRC32C=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y

From 1f6e57ba77b91c826453a435b6ac87d2f889ebc6 Mon Sep 17 00:00:00 2001
From: Anand Gadiyar <gadiyar@ti.com>
Date: Thu, 13 May 2010 05:32:27 +0000
Subject: [PATCH 2360/3638] omap3: update omap3_defconfig

- Update the omap3_defconfig to sync up with the generated .config
- Increase CONFIG_LOG_BUF_SHIFT to 16 to allow the entire
  boot log to be captured
  (useful when using boot time tracer, for example)

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap3_defconfig | 116 +++++++++++++++++++++----------
 1 file changed, 79 insertions(+), 37 deletions(-)

diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index 1efb833147c..0eb1bc9d04c 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -1,13 +1,14 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc5
-# Tue Jan 26 11:05:31 2010
+# Linux kernel version: 2.6.34-rc7
+# Thu May 13 10:54:43 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_HAVE_LATENCYTOP_SUPPORT=y
@@ -19,7 +20,9 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_ARCH_HAS_CPUFREQ=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_ARM_L1_CACHE_SHIFT_6=y
 CONFIG_OPROFILE_ARMV6=y
 CONFIG_OPROFILE_ARM11_CORE=y
 CONFIG_OPROFILE_ARMV7=y
@@ -63,12 +66,7 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
+CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
@@ -100,17 +98,21 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
 # Kernel Performance Events And Counters
 #
+CONFIG_PERF_EVENTS=y
+# CONFIG_PERF_COUNTERS is not set
+# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_PROFILING=y
-CONFIG_TRACEPOINTS=y
 CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
 CONFIG_KPROBES=y
@@ -189,6 +191,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
@@ -198,7 +201,6 @@ CONFIG_MMU=y
 # CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -215,21 +217,26 @@ CONFIG_MMU=y
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
 # CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 CONFIG_ARCH_OMAP=y
-# CONFIG_ARCH_BCMRING is not set
-# CONFIG_ARCH_U8500 is not set
 
 #
 # TI OMAP Implementations
@@ -254,6 +261,7 @@ CONFIG_OMAP_MCBSP=y
 # CONFIG_OMAP_MBOX_FWK is not set
 # CONFIG_OMAP_MPU_TIMER is not set
 CONFIG_OMAP_32K_TIMER=y
+# CONFIG_OMAP3_L2_AUX_SECURE_SAVE_RESTORE is not set
 CONFIG_OMAP_32K_TIMER_HZ=128
 CONFIG_OMAP_DM_TIMER=y
 # CONFIG_OMAP_PM_NONE is not set
@@ -331,11 +339,16 @@ CONFIG_ARM_THUMBEE=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_HAS_TLS_REG=y
+CONFIG_OUTER_CACHE=y
+CONFIG_OUTER_CACHE_SYNC=y
+CONFIG_CACHE_L2X0=y
 CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_411920 is not set
 # CONFIG_ARM_ERRATA_430973 is not set
 # CONFIG_ARM_ERRATA_458693 is not set
 # CONFIG_ARM_ERRATA_460075 is not set
+# CONFIG_PL310_ERRATA_588369 is not set
 CONFIG_ARM_GIC=y
 CONFIG_COMMON_CLKDEV=y
 
@@ -369,6 +382,7 @@ CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
 # CONFIG_HIGHMEM is not set
+CONFIG_HW_PERF_EVENTS=y
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -444,6 +458,7 @@ CONFIG_BINFMT_MISC=y
 #
 CONFIG_PM=y
 CONFIG_PM_DEBUG=y
+# CONFIG_PM_ADVANCED_DEBUG is not set
 # CONFIG_PM_VERBOSE is not set
 CONFIG_CAN_PM_TRACE=y
 CONFIG_PM_SLEEP=y
@@ -452,6 +467,7 @@ CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
 CONFIG_PM_RUNTIME=y
+CONFIG_PM_OPS=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
@@ -459,7 +475,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=y
@@ -545,7 +560,6 @@ CONFIG_NETFILTER_ADVANCED=y
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_NET_TCPPROBE is not set
-# CONFIG_NET_DROP_MONITOR is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_CAN is not set
 # CONFIG_IRDA is not set
@@ -585,7 +599,7 @@ CONFIG_CFG80211=y
 # CONFIG_CFG80211_REG_DEBUG is not set
 CONFIG_CFG80211_DEFAULT_PS=y
 # CONFIG_CFG80211_DEBUGFS is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
+# CONFIG_CFG80211_INTERNAL_REGDB is not set
 CONFIG_CFG80211_WEXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 CONFIG_LIB80211=y
@@ -677,7 +691,6 @@ CONFIG_MTD_CFI_UTIL=y
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 # CONFIG_MTD_PHYSMAP is not set
 # CONFIG_MTD_ARM_INTEGRATOR is not set
-CONFIG_MTD_OMAP_NOR=y
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -755,6 +768,7 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_ISL29003 is not set
+# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_DS1682 is not set
 # CONFIG_TI_DAC7512 is not set
 # CONFIG_C2PORT is not set
@@ -774,6 +788,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -840,12 +855,14 @@ CONFIG_SMSC_PHY=y
 # CONFIG_NATIONAL_PHY is not set
 # CONFIG_STE10XP is not set
 # CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_MICREL_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 # CONFIG_AX88796 is not set
 CONFIG_SMC91X=y
+# CONFIG_TI_DAVINCI_EMAC is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
 # CONFIG_ETHOC is not set
@@ -882,6 +899,7 @@ CONFIG_LIBERTAS_USB=y
 CONFIG_LIBERTAS_SDIO=y
 # CONFIG_LIBERTAS_SPI is not set
 CONFIG_LIBERTAS_DEBUG=y
+# CONFIG_LIBERTAS_MESH is not set
 # CONFIG_P54_COMMON is not set
 # CONFIG_RT2X00 is not set
 # CONFIG_WL12XX is not set
@@ -903,6 +921,7 @@ CONFIG_USB_NET_AX8817X=y
 CONFIG_USB_NET_CDCETHER=y
 # CONFIG_USB_NET_CDC_EEM is not set
 # CONFIG_USB_NET_DM9601 is not set
+# CONFIG_USB_NET_SMSC75XX is not set
 # CONFIG_USB_NET_SMSC95XX is not set
 # CONFIG_USB_NET_GL620A is not set
 CONFIG_USB_NET_NET1080=y
@@ -918,6 +937,8 @@ CONFIG_USB_EPSON2888=y
 CONFIG_USB_KC2190=y
 CONFIG_USB_NET_ZAURUS=y
 # CONFIG_USB_NET_INT51X1 is not set
+# CONFIG_USB_IPHETH is not set
+# CONFIG_USB_SIERRA_NET is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -1013,6 +1034,7 @@ CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_CM109 is not set
 CONFIG_INPUT_TWL4030_PWRBUTTON=y
+# CONFIG_INPUT_TWL4030_VIBRA is not set
 # CONFIG_INPUT_UINPUT is not set
 # CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
 
@@ -1056,6 +1078,7 @@ CONFIG_SERIAL_8250_RSA=y
 # CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
@@ -1084,6 +1107,7 @@ CONFIG_I2C_HELPER_AUTO=y
 # CONFIG_I2C_OCORES is not set
 CONFIG_I2C_OMAP=y
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -1097,15 +1121,9 @@ CONFIG_I2C_OMAP=y
 #
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 CONFIG_SPI=y
 # CONFIG_SPI_DEBUG is not set
 CONFIG_SPI_MASTER=y
@@ -1137,10 +1155,12 @@ CONFIG_GPIO_SYSFS=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
 #
+# CONFIG_GPIO_MAX7300 is not set
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
@@ -1205,10 +1225,11 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7411 is not set
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
-# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
@@ -1271,6 +1292,7 @@ CONFIG_WATCHDOG=y
 # CONFIG_SOFT_WATCHDOG is not set
 CONFIG_OMAP_WATCHDOG=y
 CONFIG_TWL4030_WATCHDOG=y
+# CONFIG_MAX63XX_WATCHDOG is not set
 
 #
 # USB-based Watchdog Cards
@@ -1287,10 +1309,12 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 CONFIG_MFD_CORE=y
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_ASIC3 is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
 # CONFIG_TPS65010 is not set
 CONFIG_MENELAUS=y
 CONFIG_TWL4030_CORE=y
@@ -1302,22 +1326,25 @@ CONFIG_TWL4030_CODEC=y
 # CONFIG_MFD_TC6393XB is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_MFD_MC13783 is not set
 # CONFIG_AB3100_CORE is not set
 # CONFIG_EZX_PCAP is not set
-# CONFIG_MFD_88PM8607 is not set
 # CONFIG_AB4500_CORE is not set
 CONFIG_REGULATOR=y
 # CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_DUMMY is not set
 # CONFIG_REGULATOR_FIXED_VOLTAGE is not set
 # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
 # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
 # CONFIG_REGULATOR_BQ24022 is not set
 # CONFIG_REGULATOR_MAX1586 is not set
+# CONFIG_REGULATOR_MAX8649 is not set
 # CONFIG_REGULATOR_MAX8660 is not set
 CONFIG_REGULATOR_TWL4030=y
 # CONFIG_REGULATOR_LP3971 is not set
@@ -1334,9 +1361,9 @@ CONFIG_FB=y
 CONFIG_FIRMWARE_EDID=y
 # CONFIG_FB_DDC is not set
 # CONFIG_FB_BOOT_VESA_SUPPORT is not set
-CONFIG_FB_CFB_FILLRECT=y
-CONFIG_FB_CFB_COPYAREA=y
-CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_FILLRECT is not set
+# CONFIG_FB_CFB_COPYAREA is not set
+# CONFIG_FB_CFB_IMAGEBLIT is not set
 # CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
 # CONFIG_FB_SYS_FILLRECT is not set
 # CONFIG_FB_SYS_COPYAREA is not set
@@ -1364,6 +1391,7 @@ CONFIG_FB_OMAP_LCD_VGA=y
 # CONFIG_OMAP2_DSS is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=y
+# CONFIG_LCD_L4F00242T03 is not set
 # CONFIG_LCD_LMS283GF05 is not set
 # CONFIG_LCD_LTV350QV is not set
 # CONFIG_LCD_ILI9320 is not set
@@ -1441,6 +1469,7 @@ CONFIG_SND_ARM=y
 CONFIG_SND_SPI=y
 CONFIG_SND_USB=y
 CONFIG_SND_USB_AUDIO=y
+# CONFIG_SND_USB_UA101 is not set
 # CONFIG_SND_USB_CAIAQ is not set
 CONFIG_SND_SOC=y
 CONFIG_SND_OMAP_SOC=y
@@ -1472,6 +1501,7 @@ CONFIG_USB_HID=y
 #
 # Special HID drivers
 #
+# CONFIG_HID_3M_PCT is not set
 # CONFIG_HID_A4TECH is not set
 # CONFIG_HID_APPLE is not set
 # CONFIG_HID_BELKIN is not set
@@ -1485,13 +1515,18 @@ CONFIG_USB_HID=y
 # CONFIG_HID_TWINHAN is not set
 # CONFIG_HID_KENSINGTON is not set
 # CONFIG_HID_LOGITECH is not set
+# CONFIG_HID_MAGICMOUSE is not set
 # CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MOSART is not set
 # CONFIG_HID_MONTEREY is not set
 # CONFIG_HID_NTRIG is not set
+# CONFIG_HID_ORTEK is not set
 # CONFIG_HID_PANTHERLORD is not set
 # CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_QUANTA is not set
 # CONFIG_HID_SAMSUNG is not set
 # CONFIG_HID_SONY is not set
+# CONFIG_HID_STANTUM is not set
 # CONFIG_HID_SUNPLUS is not set
 # CONFIG_HID_GREENASIA is not set
 # CONFIG_HID_SMARTJOYPLUS is not set
@@ -1537,6 +1572,10 @@ CONFIG_USB_MON=y
 CONFIG_USB_MUSB_HDRC=y
 CONFIG_USB_MUSB_SOC=y
 
+#
+# OMAP 243x high speed USB support
+#
+
 #
 # OMAP 343x high speed USB support
 #
@@ -1601,7 +1640,6 @@ CONFIG_USB_LIBUSUAL=y
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
-# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -1614,7 +1652,6 @@ CONFIG_USB_LIBUSUAL=y
 # CONFIG_USB_IOWARRIOR is not set
 CONFIG_USB_TEST=y
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DEBUG=y
 CONFIG_USB_GADGET_DEBUG_FILES=y
@@ -1652,6 +1689,7 @@ CONFIG_USB_ZERO=m
 # CONFIG_USB_MIDI_GADGET is not set
 # CONFIG_USB_G_PRINTER is not set
 # CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_USB_G_NOKIA is not set
 # CONFIG_USB_G_MULTI is not set
 
 #
@@ -1681,8 +1719,6 @@ CONFIG_SDIO_UART=y
 # CONFIG_MMC_SDHCI is not set
 CONFIG_MMC_OMAP=y
 CONFIG_MMC_OMAP_HS=y
-# CONFIG_MMC_AT91 is not set
-# CONFIG_MMC_ATMELMCI is not set
 # CONFIG_MMC_SPI is not set
 # CONFIG_MEMSTICK is not set
 CONFIG_NEW_LEDS=y
@@ -1700,11 +1736,11 @@ CONFIG_LEDS_GPIO_PLATFORM=y
 # CONFIG_LEDS_REGULATOR is not set
 # CONFIG_LEDS_BD2802 is not set
 # CONFIG_LEDS_LT3593 is not set
+CONFIG_LEDS_TRIGGERS=y
 
 #
 # LED Triggers
 #
-CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 # CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
@@ -1792,6 +1828,11 @@ CONFIG_RTC_DRV_TWL4030=y
 #
 # CONFIG_STAGING is not set
 
+#
+# CBUS support
+#
+# CONFIG_CBUS is not set
+
 #
 # File systems
 #
@@ -1820,6 +1861,7 @@ CONFIG_INOTIFY_USER=y
 CONFIG_QUOTA=y
 # CONFIG_QUOTA_NETLINK_INTERFACE is not set
 CONFIG_PRINT_QUOTA_WARNING=y
+# CONFIG_QUOTA_DEBUG is not set
 CONFIG_QUOTA_TREE=y
 # CONFIG_QFMT_V1 is not set
 CONFIG_QFMT_V2=y
@@ -1891,6 +1933,7 @@ CONFIG_UBIFS_FS=y
 CONFIG_UBIFS_FS_LZO=y
 CONFIG_UBIFS_FS_ZLIB=y
 # CONFIG_UBIFS_FS_DEBUG is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
@@ -1918,6 +1961,7 @@ CONFIG_SUNRPC_GSS=y
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
@@ -2018,6 +2062,7 @@ CONFIG_DEBUG_SPINLOCK=y
 CONFIG_DEBUG_MUTEXES=y
 CONFIG_DEBUG_LOCK_ALLOC=y
 CONFIG_PROVE_LOCKING=y
+# CONFIG_PROVE_RCU is not set
 CONFIG_LOCKDEP=y
 CONFIG_LOCK_STAT=y
 # CONFIG_DEBUG_LOCKDEP is not set
@@ -2047,13 +2092,9 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_LATENCYTOP is not set
 # CONFIG_SYSCTL_SYSCALL_CHECK is not set
 # CONFIG_PAGE_POISONING is not set
-CONFIG_NOP_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_RING_BUFFER=y
-CONFIG_EVENT_TRACING=y
-CONFIG_CONTEXT_SWITCH_TRACER=y
 CONFIG_RING_BUFFER_ALLOW_SWAP=y
-CONFIG_TRACING=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
@@ -2193,7 +2234,7 @@ CONFIG_CRYPTO_LZO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
-CONFIG_BINARY_PRINTF=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
@@ -2216,3 +2257,4 @@ CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
 CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y

From c8f626fe1c7e6de983b0c3b6375da69ded3313b6 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Mon, 17 May 2010 17:05:29 -0700
Subject: [PATCH 2361/3638] omap3: Add stalker board to omap3_defconfig

Add stalker board to omap3_defconfig

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap3_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index 0eb1bc9d04c..94dfcf0aa67 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -303,6 +303,7 @@ CONFIG_MACH_OMAP_ZOOM2=y
 CONFIG_MACH_OMAP_ZOOM3=y
 CONFIG_MACH_CM_T35=y
 CONFIG_MACH_IGEP0020=y
+CONFIG_MACH_SBC3530=y
 CONFIG_MACH_OMAP_3630SDP=y
 CONFIG_MACH_OMAP_4430SDP=y
 # CONFIG_OMAP3_EMU is not set

From 5838bb674907a57525936bfd5652eb998c433315 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Thu, 20 May 2010 12:31:04 -0600
Subject: [PATCH 2362/3638] OMAP1 clock: fix section mismatch on clk_init

remove the section annotation from omap1_clk_disable_unused()
to kill the section mismatch warning.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap1/clock.c | 2 +-
 arch/arm/mach-omap1/clock.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index e0aec1007a0..6bbb1b8b829 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -578,7 +578,7 @@ int omap1_clk_set_rate(struct clk *clk, unsigned long rate)
 
 #ifdef CONFIG_OMAP_RESET_CLOCKS
 
-void __init omap1_clk_disable_unused(struct clk *clk)
+void omap1_clk_disable_unused(struct clk *clk)
 {
 	__u32 regval32;
 
diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h
index a4190afb861..75d0d7d90bf 100644
--- a/arch/arm/mach-omap1/clock.h
+++ b/arch/arm/mach-omap1/clock.h
@@ -39,7 +39,7 @@ extern long omap1_clk_round_rate_ckctl_arm(struct clk *clk, unsigned long rate);
 extern unsigned long omap1_watchdog_recalc(struct clk *clk);
 
 #ifdef CONFIG_OMAP_RESET_CLOCKS
-extern void __init omap1_clk_disable_unused(struct clk *clk);
+extern void omap1_clk_disable_unused(struct clk *clk);
 #else
 #define omap1_clk_disable_unused	NULL
 #endif

From f38ca10a79a0cd9902b8a470901951354802faa1 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 20 May 2010 12:31:04 -0600
Subject: [PATCH 2363/3638] OMAP2 PRCM: convert OMAP2 PRCM macros to the
 _SHIFT/_MASK suffixes

Fix all of the remaining OMAP2 PRCM register shift/bitmask macros that
did not use the _SHIFT/_MASK suffixes to use them.  This makes the use
of these macros consistent.  It is intended to reduce error, as code
can be inspected visually by reviewers to ensure that bitshifts and
bitmasks are used in the appropriate places.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/clkt2xxx_apll.c    |   4 +-
 arch/arm/mach-omap2/clock2420_data.c   |   4 +-
 arch/arm/mach-omap2/clock2430_data.c   |   6 +-
 arch/arm/mach-omap2/clockdomain.c      |   4 +-
 arch/arm/mach-omap2/cm-regbits-24xx.h  | 236 ++++++++++++-------------
 arch/arm/mach-omap2/pm24xx.c           | 107 +++++------
 arch/arm/mach-omap2/prm-regbits-24xx.h | 120 ++++++-------
 7 files changed, 241 insertions(+), 240 deletions(-)

diff --git a/arch/arm/mach-omap2/clkt2xxx_apll.c b/arch/arm/mach-omap2/clkt2xxx_apll.c
index 43d7246ce33..66e01acfd58 100644
--- a/arch/arm/mach-omap2/clkt2xxx_apll.c
+++ b/arch/arm/mach-omap2/clkt2xxx_apll.c
@@ -70,12 +70,12 @@ static int omap2_clk_apll_enable(struct clk *clk, u32 status_mask)
 
 static int omap2_clk_apll96_enable(struct clk *clk)
 {
-	return omap2_clk_apll_enable(clk, OMAP24XX_ST_96M_APLL);
+	return omap2_clk_apll_enable(clk, OMAP24XX_ST_96M_APLL_MASK);
 }
 
 static int omap2_clk_apll54_enable(struct clk *clk)
 {
-	return omap2_clk_apll_enable(clk, OMAP24XX_ST_54M_APLL);
+	return omap2_clk_apll_enable(clk, OMAP24XX_ST_54M_APLL_MASK);
 }
 
 /* Stop APLL */
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index d932b142d0b..1381e767ce3 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -177,7 +177,7 @@ static struct clk func_54m_ck = {
 	.clkdm_name	= "wkup_clkdm",
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
-	.clksel_mask	= OMAP24XX_54M_SOURCE,
+	.clksel_mask	= OMAP24XX_54M_SOURCE_MASK,
 	.clksel		= func_54m_clksel,
 	.recalc		= &omap2_clksel_recalc,
 };
@@ -223,7 +223,7 @@ static struct clk func_48m_ck = {
 	.clkdm_name	= "wkup_clkdm",
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
-	.clksel_mask	= OMAP24XX_48M_SOURCE,
+	.clksel_mask	= OMAP24XX_48M_SOURCE_MASK,
 	.clksel		= func_48m_clksel,
 	.recalc		= &omap2_clksel_recalc,
 	.round_rate	= &omap2_clksel_round_rate,
diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c
index 0438b6e4f51..1aac22709df 100644
--- a/arch/arm/mach-omap2/clock2430_data.c
+++ b/arch/arm/mach-omap2/clock2430_data.c
@@ -177,7 +177,7 @@ static struct clk func_54m_ck = {
 	.clkdm_name	= "wkup_clkdm",
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
-	.clksel_mask	= OMAP24XX_54M_SOURCE,
+	.clksel_mask	= OMAP24XX_54M_SOURCE_MASK,
 	.clksel		= func_54m_clksel,
 	.recalc		= &omap2_clksel_recalc,
 };
@@ -214,7 +214,7 @@ static struct clk func_96m_ck = {
 	.clkdm_name	= "wkup_clkdm",
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
-	.clksel_mask	= OMAP2430_96M_SOURCE,
+	.clksel_mask	= OMAP2430_96M_SOURCE_MASK,
 	.clksel		= func_96m_clksel,
 	.recalc		= &omap2_clksel_recalc,
 };
@@ -244,7 +244,7 @@ static struct clk func_48m_ck = {
 	.clkdm_name	= "wkup_clkdm",
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
-	.clksel_mask	= OMAP24XX_48M_SOURCE,
+	.clksel_mask	= OMAP24XX_48M_SOURCE_MASK,
 	.clksel		= func_48m_clksel,
 	.recalc		= &omap2_clksel_recalc,
 	.round_rate	= &omap2_clksel_round_rate,
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 6e568ec995e..5d80cb89748 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -809,7 +809,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm)
 
 	if (cpu_is_omap24xx()) {
 
-		cm_set_mod_reg_bits(OMAP24XX_FORCESTATE,
+		cm_set_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
 			    clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL);
 
 	} else if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
@@ -853,7 +853,7 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm)
 
 	if (cpu_is_omap24xx()) {
 
-		cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE,
+		cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
 			      clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL);
 
 	} else if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
diff --git a/arch/arm/mach-omap2/cm-regbits-24xx.h b/arch/arm/mach-omap2/cm-regbits-24xx.h
index 297a2fe634e..da51cc3ed7e 100644
--- a/arch/arm/mach-omap2/cm-regbits-24xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-24xx.h
@@ -20,43 +20,43 @@
 
 /* CM_FCLKEN1_CORE and CM_ICLKEN1_CORE shared bits */
 #define OMAP24XX_EN_CAM_SHIFT				31
-#define OMAP24XX_EN_CAM					(1 << 31)
+#define OMAP24XX_EN_CAM_MASK				(1 << 31)
 #define OMAP24XX_EN_WDT4_SHIFT				29
-#define OMAP24XX_EN_WDT4				(1 << 29)
+#define OMAP24XX_EN_WDT4_MASK				(1 << 29)
 #define OMAP2420_EN_WDT3_SHIFT				28
-#define OMAP2420_EN_WDT3				(1 << 28)
+#define OMAP2420_EN_WDT3_MASK				(1 << 28)
 #define OMAP24XX_EN_MSPRO_SHIFT				27
-#define OMAP24XX_EN_MSPRO				(1 << 27)
+#define OMAP24XX_EN_MSPRO_MASK				(1 << 27)
 #define OMAP24XX_EN_FAC_SHIFT				25
-#define OMAP24XX_EN_FAC					(1 << 25)
+#define OMAP24XX_EN_FAC_MASK				(1 << 25)
 #define OMAP2420_EN_EAC_SHIFT				24
-#define OMAP2420_EN_EAC					(1 << 24)
+#define OMAP2420_EN_EAC_MASK				(1 << 24)
 #define OMAP24XX_EN_HDQ_SHIFT				23
-#define OMAP24XX_EN_HDQ					(1 << 23)
+#define OMAP24XX_EN_HDQ_MASK				(1 << 23)
 #define OMAP2420_EN_I2C2_SHIFT				20
-#define OMAP2420_EN_I2C2				(1 << 20)
+#define OMAP2420_EN_I2C2_MASK				(1 << 20)
 #define OMAP2420_EN_I2C1_SHIFT				19
-#define OMAP2420_EN_I2C1				(1 << 19)
+#define OMAP2420_EN_I2C1_MASK				(1 << 19)
 
 /* CM_FCLKEN2_CORE and CM_ICLKEN2_CORE shared bits */
 #define OMAP2430_EN_MCBSP5_SHIFT			5
-#define OMAP2430_EN_MCBSP5				(1 << 5)
+#define OMAP2430_EN_MCBSP5_MASK				(1 << 5)
 #define OMAP2430_EN_MCBSP4_SHIFT			4
-#define OMAP2430_EN_MCBSP4				(1 << 4)
+#define OMAP2430_EN_MCBSP4_MASK				(1 << 4)
 #define OMAP2430_EN_MCBSP3_SHIFT			3
-#define OMAP2430_EN_MCBSP3				(1 << 3)
+#define OMAP2430_EN_MCBSP3_MASK				(1 << 3)
 #define OMAP24XX_EN_SSI_SHIFT				1
-#define OMAP24XX_EN_SSI					(1 << 1)
+#define OMAP24XX_EN_SSI_MASK				(1 << 1)
 
 /* CM_FCLKEN_WKUP and CM_ICLKEN_WKUP shared bits */
 #define OMAP24XX_EN_MPU_WDT_SHIFT			3
-#define OMAP24XX_EN_MPU_WDT				(1 << 3)
+#define OMAP24XX_EN_MPU_WDT_MASK			(1 << 3)
 
 /* Bits specific to each register */
 
 /* CM_IDLEST_MPU */
 /* 2430 only */
-#define OMAP2430_ST_MPU					(1 << 0)
+#define OMAP2430_ST_MPU_MASK				(1 << 0)
 
 /* CM_CLKSEL_MPU */
 #define OMAP24XX_CLKSEL_MPU_SHIFT			0
@@ -68,46 +68,46 @@
 
 /* CM_FCLKEN1_CORE specific bits*/
 #define OMAP24XX_EN_TV_SHIFT				2
-#define OMAP24XX_EN_TV					(1 << 2)
+#define OMAP24XX_EN_TV_MASK				(1 << 2)
 #define OMAP24XX_EN_DSS2_SHIFT				1
-#define OMAP24XX_EN_DSS2				(1 << 1)
+#define OMAP24XX_EN_DSS2_MASK				(1 << 1)
 #define OMAP24XX_EN_DSS1_SHIFT				0
-#define OMAP24XX_EN_DSS1				(1 << 0)
+#define OMAP24XX_EN_DSS1_MASK				(1 << 0)
 
 /* CM_FCLKEN2_CORE specific bits */
 #define OMAP2430_EN_I2CHS2_SHIFT			20
-#define OMAP2430_EN_I2CHS2				(1 << 20)
+#define OMAP2430_EN_I2CHS2_MASK				(1 << 20)
 #define OMAP2430_EN_I2CHS1_SHIFT			19
-#define OMAP2430_EN_I2CHS1				(1 << 19)
+#define OMAP2430_EN_I2CHS1_MASK				(1 << 19)
 #define OMAP2430_EN_MMCHSDB2_SHIFT			17
-#define OMAP2430_EN_MMCHSDB2				(1 << 17)
+#define OMAP2430_EN_MMCHSDB2_MASK			(1 << 17)
 #define OMAP2430_EN_MMCHSDB1_SHIFT			16
-#define OMAP2430_EN_MMCHSDB1				(1 << 16)
+#define OMAP2430_EN_MMCHSDB1_MASK			(1 << 16)
 
 /* CM_ICLKEN1_CORE specific bits */
 #define OMAP24XX_EN_MAILBOXES_SHIFT			30
-#define OMAP24XX_EN_MAILBOXES				(1 << 30)
+#define OMAP24XX_EN_MAILBOXES_MASK			(1 << 30)
 #define OMAP24XX_EN_DSS_SHIFT				0
-#define OMAP24XX_EN_DSS					(1 << 0)
+#define OMAP24XX_EN_DSS_MASK				(1 << 0)
 
 /* CM_ICLKEN2_CORE specific bits */
 
 /* CM_ICLKEN3_CORE */
 /* 2430 only */
 #define OMAP2430_EN_SDRC_SHIFT				2
-#define OMAP2430_EN_SDRC				(1 << 2)
+#define OMAP2430_EN_SDRC_MASK				(1 << 2)
 
 /* CM_ICLKEN4_CORE */
 #define OMAP24XX_EN_PKA_SHIFT				4
-#define OMAP24XX_EN_PKA					(1 << 4)
+#define OMAP24XX_EN_PKA_MASK				(1 << 4)
 #define OMAP24XX_EN_AES_SHIFT				3
-#define OMAP24XX_EN_AES					(1 << 3)
+#define OMAP24XX_EN_AES_MASK				(1 << 3)
 #define OMAP24XX_EN_RNG_SHIFT				2
-#define OMAP24XX_EN_RNG					(1 << 2)
+#define OMAP24XX_EN_RNG_MASK				(1 << 2)
 #define OMAP24XX_EN_SHA_SHIFT				1
-#define OMAP24XX_EN_SHA					(1 << 1)
+#define OMAP24XX_EN_SHA_MASK				(1 << 1)
 #define OMAP24XX_EN_DES_SHIFT				0
-#define OMAP24XX_EN_DES					(1 << 0)
+#define OMAP24XX_EN_DES_MASK				(1 << 0)
 
 /* CM_IDLEST1_CORE specific bits */
 #define OMAP24XX_ST_MAILBOXES_SHIFT			30
@@ -138,9 +138,9 @@
 /* CM_IDLEST2_CORE */
 #define OMAP2430_ST_MCBSP5_SHIFT			5
 #define OMAP2430_ST_MCBSP5_MASK				(1 << 5)
-#define OMAP2430_ST_MCBSP4_SHIFT				4
+#define OMAP2430_ST_MCBSP4_SHIFT			4
 #define OMAP2430_ST_MCBSP4_MASK				(1 << 4)
-#define OMAP2430_ST_MCBSP3_SHIFT				3
+#define OMAP2430_ST_MCBSP3_SHIFT			3
 #define OMAP2430_ST_MCBSP3_MASK				(1 << 3)
 #define OMAP24XX_ST_SSI_SHIFT				1
 #define OMAP24XX_ST_SSI_MASK				(1 << 1)
@@ -162,62 +162,62 @@
 #define OMAP24XX_ST_DES_MASK				(1 << 0)
 
 /* CM_AUTOIDLE1_CORE */
-#define OMAP24XX_AUTO_CAM				(1 << 31)
-#define OMAP24XX_AUTO_MAILBOXES				(1 << 30)
-#define OMAP24XX_AUTO_WDT4				(1 << 29)
-#define OMAP2420_AUTO_WDT3				(1 << 28)
-#define OMAP24XX_AUTO_MSPRO				(1 << 27)
-#define OMAP2420_AUTO_MMC				(1 << 26)
-#define OMAP24XX_AUTO_FAC				(1 << 25)
-#define OMAP2420_AUTO_EAC				(1 << 24)
-#define OMAP24XX_AUTO_HDQ				(1 << 23)
-#define OMAP24XX_AUTO_UART2				(1 << 22)
-#define OMAP24XX_AUTO_UART1				(1 << 21)
-#define OMAP24XX_AUTO_I2C2				(1 << 20)
-#define OMAP24XX_AUTO_I2C1				(1 << 19)
-#define OMAP24XX_AUTO_MCSPI2				(1 << 18)
-#define OMAP24XX_AUTO_MCSPI1				(1 << 17)
-#define OMAP24XX_AUTO_MCBSP2				(1 << 16)
-#define OMAP24XX_AUTO_MCBSP1				(1 << 15)
-#define OMAP24XX_AUTO_GPT12				(1 << 14)
-#define OMAP24XX_AUTO_GPT11				(1 << 13)
-#define OMAP24XX_AUTO_GPT10				(1 << 12)
-#define OMAP24XX_AUTO_GPT9				(1 << 11)
-#define OMAP24XX_AUTO_GPT8				(1 << 10)
-#define OMAP24XX_AUTO_GPT7				(1 << 9)
-#define OMAP24XX_AUTO_GPT6				(1 << 8)
-#define OMAP24XX_AUTO_GPT5				(1 << 7)
-#define OMAP24XX_AUTO_GPT4				(1 << 6)
-#define OMAP24XX_AUTO_GPT3				(1 << 5)
-#define OMAP24XX_AUTO_GPT2				(1 << 4)
-#define OMAP2420_AUTO_VLYNQ				(1 << 3)
-#define OMAP24XX_AUTO_DSS				(1 << 0)
+#define OMAP24XX_AUTO_CAM_MASK				(1 << 31)
+#define OMAP24XX_AUTO_MAILBOXES_MASK			(1 << 30)
+#define OMAP24XX_AUTO_WDT4_MASK				(1 << 29)
+#define OMAP2420_AUTO_WDT3_MASK				(1 << 28)
+#define OMAP24XX_AUTO_MSPRO_MASK			(1 << 27)
+#define OMAP2420_AUTO_MMC_MASK				(1 << 26)
+#define OMAP24XX_AUTO_FAC_MASK				(1 << 25)
+#define OMAP2420_AUTO_EAC_MASK				(1 << 24)
+#define OMAP24XX_AUTO_HDQ_MASK				(1 << 23)
+#define OMAP24XX_AUTO_UART2_MASK			(1 << 22)
+#define OMAP24XX_AUTO_UART1_MASK			(1 << 21)
+#define OMAP24XX_AUTO_I2C2_MASK				(1 << 20)
+#define OMAP24XX_AUTO_I2C1_MASK				(1 << 19)
+#define OMAP24XX_AUTO_MCSPI2_MASK			(1 << 18)
+#define OMAP24XX_AUTO_MCSPI1_MASK			(1 << 17)
+#define OMAP24XX_AUTO_MCBSP2_MASK			(1 << 16)
+#define OMAP24XX_AUTO_MCBSP1_MASK			(1 << 15)
+#define OMAP24XX_AUTO_GPT12_MASK			(1 << 14)
+#define OMAP24XX_AUTO_GPT11_MASK			(1 << 13)
+#define OMAP24XX_AUTO_GPT10_MASK			(1 << 12)
+#define OMAP24XX_AUTO_GPT9_MASK				(1 << 11)
+#define OMAP24XX_AUTO_GPT8_MASK				(1 << 10)
+#define OMAP24XX_AUTO_GPT7_MASK				(1 << 9)
+#define OMAP24XX_AUTO_GPT6_MASK				(1 << 8)
+#define OMAP24XX_AUTO_GPT5_MASK				(1 << 7)
+#define OMAP24XX_AUTO_GPT4_MASK				(1 << 6)
+#define OMAP24XX_AUTO_GPT3_MASK				(1 << 5)
+#define OMAP24XX_AUTO_GPT2_MASK				(1 << 4)
+#define OMAP2420_AUTO_VLYNQ_MASK			(1 << 3)
+#define OMAP24XX_AUTO_DSS_MASK				(1 << 0)
 
 /* CM_AUTOIDLE2_CORE */
-#define OMAP2430_AUTO_MDM_INTC				(1 << 11)
-#define OMAP2430_AUTO_GPIO5				(1 << 10)
-#define OMAP2430_AUTO_MCSPI3				(1 << 9)
-#define OMAP2430_AUTO_MMCHS2				(1 << 8)
-#define OMAP2430_AUTO_MMCHS1				(1 << 7)
-#define OMAP2430_AUTO_USBHS				(1 << 6)
-#define OMAP2430_AUTO_MCBSP5				(1 << 5)
-#define OMAP2430_AUTO_MCBSP4				(1 << 4)
-#define OMAP2430_AUTO_MCBSP3				(1 << 3)
-#define OMAP24XX_AUTO_UART3				(1 << 2)
-#define OMAP24XX_AUTO_SSI				(1 << 1)
-#define OMAP24XX_AUTO_USB				(1 << 0)
+#define OMAP2430_AUTO_MDM_INTC_MASK			(1 << 11)
+#define OMAP2430_AUTO_GPIO5_MASK			(1 << 10)
+#define OMAP2430_AUTO_MCSPI3_MASK			(1 << 9)
+#define OMAP2430_AUTO_MMCHS2_MASK			(1 << 8)
+#define OMAP2430_AUTO_MMCHS1_MASK			(1 << 7)
+#define OMAP2430_AUTO_USBHS_MASK			(1 << 6)
+#define OMAP2430_AUTO_MCBSP5_MASK			(1 << 5)
+#define OMAP2430_AUTO_MCBSP4_MASK			(1 << 4)
+#define OMAP2430_AUTO_MCBSP3_MASK			(1 << 3)
+#define OMAP24XX_AUTO_UART3_MASK			(1 << 2)
+#define OMAP24XX_AUTO_SSI_MASK				(1 << 1)
+#define OMAP24XX_AUTO_USB_MASK				(1 << 0)
 
 /* CM_AUTOIDLE3_CORE */
-#define OMAP24XX_AUTO_SDRC				(1 << 2)
-#define OMAP24XX_AUTO_GPMC				(1 << 1)
-#define OMAP24XX_AUTO_SDMA				(1 << 0)
+#define OMAP24XX_AUTO_SDRC_MASK				(1 << 2)
+#define OMAP24XX_AUTO_GPMC_MASK				(1 << 1)
+#define OMAP24XX_AUTO_SDMA_MASK				(1 << 0)
 
 /* CM_AUTOIDLE4_CORE */
-#define OMAP24XX_AUTO_PKA				(1 << 4)
-#define OMAP24XX_AUTO_AES				(1 << 3)
-#define OMAP24XX_AUTO_RNG				(1 << 2)
-#define OMAP24XX_AUTO_SHA				(1 << 1)
-#define OMAP24XX_AUTO_DES				(1 << 0)
+#define OMAP24XX_AUTO_PKA_MASK				(1 << 4)
+#define OMAP24XX_AUTO_AES_MASK				(1 << 3)
+#define OMAP24XX_AUTO_RNG_MASK				(1 << 2)
+#define OMAP24XX_AUTO_SHA_MASK				(1 << 1)
+#define OMAP24XX_AUTO_DES_MASK				(1 << 0)
 
 /* CM_CLKSEL1_CORE */
 #define OMAP24XX_CLKSEL_USB_SHIFT			25
@@ -269,9 +269,9 @@
 
 /* CM_FCLKEN_GFX */
 #define OMAP24XX_EN_3D_SHIFT				2
-#define OMAP24XX_EN_3D					(1 << 2)
+#define OMAP24XX_EN_3D_MASK				(1 << 2)
 #define OMAP24XX_EN_2D_SHIFT				1
-#define OMAP24XX_EN_2D					(1 << 1)
+#define OMAP24XX_EN_2D_MASK				(1 << 1)
 
 /* CM_ICLKEN_GFX specific bits */
 
@@ -287,13 +287,13 @@
 
 /* CM_ICLKEN_WKUP specific bits */
 #define OMAP2430_EN_ICR_SHIFT				6
-#define OMAP2430_EN_ICR					(1 << 6)
+#define OMAP2430_EN_ICR_MASK				(1 << 6)
 #define OMAP24XX_EN_OMAPCTRL_SHIFT			5
-#define OMAP24XX_EN_OMAPCTRL				(1 << 5)
+#define OMAP24XX_EN_OMAPCTRL_MASK			(1 << 5)
 #define OMAP24XX_EN_WDT1_SHIFT				4
-#define OMAP24XX_EN_WDT1				(1 << 4)
+#define OMAP24XX_EN_WDT1_MASK				(1 << 4)
 #define OMAP24XX_EN_32KSYNC_SHIFT			1
-#define OMAP24XX_EN_32KSYNC				(1 << 1)
+#define OMAP24XX_EN_32KSYNC_MASK			(1 << 1)
 
 /* CM_IDLEST_WKUP specific bits */
 #define OMAP2430_ST_ICR_SHIFT				6
@@ -308,12 +308,12 @@
 #define OMAP24XX_ST_32KSYNC_MASK			(1 << 1)
 
 /* CM_AUTOIDLE_WKUP */
-#define OMAP24XX_AUTO_OMAPCTRL				(1 << 5)
-#define OMAP24XX_AUTO_WDT1				(1 << 4)
-#define OMAP24XX_AUTO_MPU_WDT				(1 << 3)
-#define OMAP24XX_AUTO_GPIOS				(1 << 2)
-#define OMAP24XX_AUTO_32KSYNC				(1 << 1)
-#define OMAP24XX_AUTO_GPT1				(1 << 0)
+#define OMAP24XX_AUTO_OMAPCTRL_MASK			(1 << 5)
+#define OMAP24XX_AUTO_WDT1_MASK				(1 << 4)
+#define OMAP24XX_AUTO_MPU_WDT_MASK			(1 << 3)
+#define OMAP24XX_AUTO_GPIOS_MASK			(1 << 2)
+#define OMAP24XX_AUTO_32KSYNC_MASK			(1 << 1)
+#define OMAP24XX_AUTO_GPT1_MASK				(1 << 0)
 
 /* CM_CLKSEL_WKUP */
 #define OMAP24XX_CLKSEL_GPT1_SHIFT			0
@@ -328,12 +328,12 @@
 #define OMAP24XX_EN_DPLL_MASK				(0x3 << 0)
 
 /* CM_IDLEST_CKGEN */
-#define OMAP24XX_ST_54M_APLL				(1 << 9)
-#define OMAP24XX_ST_96M_APLL				(1 << 8)
-#define OMAP24XX_ST_54M_CLK				(1 << 6)
-#define OMAP24XX_ST_12M_CLK				(1 << 5)
-#define OMAP24XX_ST_48M_CLK				(1 << 4)
-#define OMAP24XX_ST_96M_CLK				(1 << 2)
+#define OMAP24XX_ST_54M_APLL_MASK			(1 << 9)
+#define OMAP24XX_ST_96M_APLL_MASK			(1 << 8)
+#define OMAP24XX_ST_54M_CLK_MASK			(1 << 6)
+#define OMAP24XX_ST_12M_CLK_MASK			(1 << 5)
+#define OMAP24XX_ST_48M_CLK_MASK			(1 << 4)
+#define OMAP24XX_ST_96M_CLK_MASK			(1 << 2)
 #define OMAP24XX_ST_CORE_CLK_SHIFT			0
 #define OMAP24XX_ST_CORE_CLK_MASK			(0x3 << 0)
 
@@ -355,11 +355,11 @@
 #define OMAP24XX_DPLL_DIV_SHIFT				8
 #define OMAP24XX_DPLL_DIV_MASK				(0xf << 8)
 #define OMAP24XX_54M_SOURCE_SHIFT			5
-#define OMAP24XX_54M_SOURCE				(1 << 5)
+#define OMAP24XX_54M_SOURCE_MASK			(1 << 5)
 #define OMAP2430_96M_SOURCE_SHIFT			4
-#define OMAP2430_96M_SOURCE				(1 << 4)
+#define OMAP2430_96M_SOURCE_MASK			(1 << 4)
 #define OMAP24XX_48M_SOURCE_SHIFT			3
-#define OMAP24XX_48M_SOURCE				(1 << 3)
+#define OMAP24XX_48M_SOURCE_MASK			(1 << 3)
 #define OMAP2430_ALTCLK_SOURCE_SHIFT			0
 #define OMAP2430_ALTCLK_SOURCE_MASK			(0x7 << 0)
 
@@ -369,29 +369,29 @@
 
 /* CM_FCLKEN_DSP */
 #define OMAP2420_EN_IVA_COP_SHIFT			10
-#define OMAP2420_EN_IVA_COP				(1 << 10)
+#define OMAP2420_EN_IVA_COP_MASK			(1 << 10)
 #define OMAP2420_EN_IVA_MPU_SHIFT			8
-#define OMAP2420_EN_IVA_MPU				(1 << 8)
+#define OMAP2420_EN_IVA_MPU_MASK			(1 << 8)
 #define OMAP24XX_CM_FCLKEN_DSP_EN_DSP_SHIFT		0
-#define OMAP24XX_CM_FCLKEN_DSP_EN_DSP			(1 << 0)
+#define OMAP24XX_CM_FCLKEN_DSP_EN_DSP_MASK		(1 << 0)
 
 /* CM_ICLKEN_DSP */
 #define OMAP2420_EN_DSP_IPI_SHIFT			1
-#define OMAP2420_EN_DSP_IPI				(1 << 1)
+#define OMAP2420_EN_DSP_IPI_MASK			(1 << 1)
 
 /* CM_IDLEST_DSP */
-#define OMAP2420_ST_IVA					(1 << 8)
-#define OMAP2420_ST_IPI					(1 << 1)
-#define OMAP24XX_ST_DSP					(1 << 0)
+#define OMAP2420_ST_IVA_MASK				(1 << 8)
+#define OMAP2420_ST_IPI_MASK				(1 << 1)
+#define OMAP24XX_ST_DSP_MASK				(1 << 0)
 
 /* CM_AUTOIDLE_DSP */
-#define OMAP2420_AUTO_DSP_IPI				(1 << 1)
+#define OMAP2420_AUTO_DSP_IPI_MASK			(1 << 1)
 
 /* CM_CLKSEL_DSP */
-#define OMAP2420_SYNC_IVA				(1 << 13)
+#define OMAP2420_SYNC_IVA_MASK				(1 << 13)
 #define OMAP2420_CLKSEL_IVA_SHIFT			8
 #define OMAP2420_CLKSEL_IVA_MASK			(0x1f << 8)
-#define OMAP24XX_SYNC_DSP				(1 << 7)
+#define OMAP24XX_SYNC_DSP_MASK				(1 << 7)
 #define OMAP24XX_CLKSEL_DSP_IF_SHIFT			5
 #define OMAP24XX_CLKSEL_DSP_IF_MASK			(0x3 << 5)
 #define OMAP24XX_CLKSEL_DSP_SHIFT			0
@@ -406,24 +406,24 @@
 /* CM_FCLKEN_MDM */
 /* 2430 only */
 #define OMAP2430_EN_OSC_SHIFT				1
-#define OMAP2430_EN_OSC					(1 << 1)
+#define OMAP2430_EN_OSC_MASK				(1 << 1)
 
 /* CM_ICLKEN_MDM */
 /* 2430 only */
 #define OMAP2430_CM_ICLKEN_MDM_EN_MDM_SHIFT		0
-#define OMAP2430_CM_ICLKEN_MDM_EN_MDM			(1 << 0)
+#define OMAP2430_CM_ICLKEN_MDM_EN_MDM_MASK		(1 << 0)
 
 /* CM_IDLEST_MDM specific bits */
 /* 2430 only */
 
 /* CM_AUTOIDLE_MDM */
 /* 2430 only */
-#define OMAP2430_AUTO_OSC				(1 << 1)
-#define OMAP2430_AUTO_MDM				(1 << 0)
+#define OMAP2430_AUTO_OSC_MASK				(1 << 1)
+#define OMAP2430_AUTO_MDM_MASK				(1 << 0)
 
 /* CM_CLKSEL_MDM */
 /* 2430 only */
-#define OMAP2430_SYNC_MDM				(1 << 4)
+#define OMAP2430_SYNC_MDM_MASK				(1 << 4)
 #define OMAP2430_CLKSEL_MDM_SHIFT			0
 #define OMAP2430_CLKSEL_MDM_MASK			(0xf << 0)
 
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 7816c4e84a3..b8c9e900a67 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -170,7 +170,7 @@ static int omap2_i2c_active(void)
 	u32 l;
 
 	l = cm_read_mod_reg(CORE_MOD, CM_FCLKEN1);
-	return l & (OMAP2420_EN_I2C2 | OMAP2420_EN_I2C1);
+	return l & (OMAP2420_EN_I2C2_MASK | OMAP2420_EN_I2C1_MASK);
 }
 
 static int sti_console_enabled;
@@ -183,7 +183,7 @@ static int omap2_allow_mpu_retention(void)
 	l = cm_read_mod_reg(CORE_MOD, CM_FCLKEN1);
 	if (l & (OMAP2420_EN_MMC | OMAP24XX_EN_UART2 |
 		 OMAP24XX_EN_UART1 | OMAP24XX_EN_MCSPI2 |
-		 OMAP24XX_EN_MCSPI1 | OMAP24XX_EN_DSS1))
+		 OMAP24XX_EN_MCSPI1 | OMAP24XX_EN_DSS1_MASK))
 		return 0;
 	/* Check for UART3. */
 	l = cm_read_mod_reg(CORE_MOD, OMAP24XX_CM_FCLKEN2);
@@ -351,7 +351,7 @@ static void __init prcm_setup_regs(void)
 	struct powerdomain *pwrdm;
 
 	/* Enable autoidle */
-	prm_write_mod_reg(OMAP24XX_AUTOIDLE, OCP_MOD,
+	prm_write_mod_reg(OMAP24XX_AUTOIDLE_MASK, OCP_MOD,
 			  OMAP2_PRCM_SYSCONFIG_OFFSET);
 
 	/*
@@ -390,53 +390,54 @@ static void __init prcm_setup_regs(void)
 	clkdm_add_wkdep(mpu_clkdm, wkup_clkdm);
 
 	/* Enable clock autoidle for all domains */
-	cm_write_mod_reg(OMAP24XX_AUTO_CAM |
-			 OMAP24XX_AUTO_MAILBOXES |
-			 OMAP24XX_AUTO_WDT4 |
-			 OMAP2420_AUTO_WDT3 |
-			 OMAP24XX_AUTO_MSPRO |
-			 OMAP2420_AUTO_MMC |
-			 OMAP24XX_AUTO_FAC |
-			 OMAP2420_AUTO_EAC |
-			 OMAP24XX_AUTO_HDQ |
-			 OMAP24XX_AUTO_UART2 |
-			 OMAP24XX_AUTO_UART1 |
-			 OMAP24XX_AUTO_I2C2 |
-			 OMAP24XX_AUTO_I2C1 |
-			 OMAP24XX_AUTO_MCSPI2 |
-			 OMAP24XX_AUTO_MCSPI1 |
-			 OMAP24XX_AUTO_MCBSP2 |
-			 OMAP24XX_AUTO_MCBSP1 |
-			 OMAP24XX_AUTO_GPT12 |
-			 OMAP24XX_AUTO_GPT11 |
-			 OMAP24XX_AUTO_GPT10 |
-			 OMAP24XX_AUTO_GPT9 |
-			 OMAP24XX_AUTO_GPT8 |
-			 OMAP24XX_AUTO_GPT7 |
-			 OMAP24XX_AUTO_GPT6 |
-			 OMAP24XX_AUTO_GPT5 |
-			 OMAP24XX_AUTO_GPT4 |
-			 OMAP24XX_AUTO_GPT3 |
-			 OMAP24XX_AUTO_GPT2 |
-			 OMAP2420_AUTO_VLYNQ |
-			 OMAP24XX_AUTO_DSS,
+	cm_write_mod_reg(OMAP24XX_AUTO_CAM_MASK |
+			 OMAP24XX_AUTO_MAILBOXES_MASK |
+			 OMAP24XX_AUTO_WDT4_MASK |
+			 OMAP2420_AUTO_WDT3_MASK |
+			 OMAP24XX_AUTO_MSPRO_MASK |
+			 OMAP2420_AUTO_MMC_MASK |
+			 OMAP24XX_AUTO_FAC_MASK |
+			 OMAP2420_AUTO_EAC_MASK |
+			 OMAP24XX_AUTO_HDQ_MASK |
+			 OMAP24XX_AUTO_UART2_MASK |
+			 OMAP24XX_AUTO_UART1_MASK |
+			 OMAP24XX_AUTO_I2C2_MASK |
+			 OMAP24XX_AUTO_I2C1_MASK |
+			 OMAP24XX_AUTO_MCSPI2_MASK |
+			 OMAP24XX_AUTO_MCSPI1_MASK |
+			 OMAP24XX_AUTO_MCBSP2_MASK |
+			 OMAP24XX_AUTO_MCBSP1_MASK |
+			 OMAP24XX_AUTO_GPT12_MASK |
+			 OMAP24XX_AUTO_GPT11_MASK |
+			 OMAP24XX_AUTO_GPT10_MASK |
+			 OMAP24XX_AUTO_GPT9_MASK |
+			 OMAP24XX_AUTO_GPT8_MASK |
+			 OMAP24XX_AUTO_GPT7_MASK |
+			 OMAP24XX_AUTO_GPT6_MASK |
+			 OMAP24XX_AUTO_GPT5_MASK |
+			 OMAP24XX_AUTO_GPT4_MASK |
+			 OMAP24XX_AUTO_GPT3_MASK |
+			 OMAP24XX_AUTO_GPT2_MASK |
+			 OMAP2420_AUTO_VLYNQ_MASK |
+			 OMAP24XX_AUTO_DSS_MASK,
 			 CORE_MOD, CM_AUTOIDLE1);
-	cm_write_mod_reg(OMAP24XX_AUTO_UART3 |
-			 OMAP24XX_AUTO_SSI |
-			 OMAP24XX_AUTO_USB,
+	cm_write_mod_reg(OMAP24XX_AUTO_UART3_MASK |
+			 OMAP24XX_AUTO_SSI_MASK |
+			 OMAP24XX_AUTO_USB_MASK,
 			 CORE_MOD, CM_AUTOIDLE2);
-	cm_write_mod_reg(OMAP24XX_AUTO_SDRC |
-			 OMAP24XX_AUTO_GPMC |
-			 OMAP24XX_AUTO_SDMA,
+	cm_write_mod_reg(OMAP24XX_AUTO_SDRC_MASK |
+			 OMAP24XX_AUTO_GPMC_MASK |
+			 OMAP24XX_AUTO_SDMA_MASK,
 			 CORE_MOD, CM_AUTOIDLE3);
-	cm_write_mod_reg(OMAP24XX_AUTO_PKA |
-			 OMAP24XX_AUTO_AES |
-			 OMAP24XX_AUTO_RNG |
-			 OMAP24XX_AUTO_SHA |
-			 OMAP24XX_AUTO_DES,
+	cm_write_mod_reg(OMAP24XX_AUTO_PKA_MASK |
+			 OMAP24XX_AUTO_AES_MASK |
+			 OMAP24XX_AUTO_RNG_MASK |
+			 OMAP24XX_AUTO_SHA_MASK |
+			 OMAP24XX_AUTO_DES_MASK,
 			 CORE_MOD, OMAP24XX_CM_AUTOIDLE4);
 
-	cm_write_mod_reg(OMAP2420_AUTO_DSP_IPI, OMAP24XX_DSP_MOD, CM_AUTOIDLE);
+	cm_write_mod_reg(OMAP2420_AUTO_DSP_IPI_MASK, OMAP24XX_DSP_MOD,
+			 CM_AUTOIDLE);
 
 	/* Put DPLL and both APLLs into autoidle mode */
 	cm_write_mod_reg((0x03 << OMAP24XX_AUTO_DPLL_SHIFT) |
@@ -444,12 +445,12 @@ static void __init prcm_setup_regs(void)
 			 (0x03 << OMAP24XX_AUTO_54M_SHIFT),
 			 PLL_MOD, CM_AUTOIDLE);
 
-	cm_write_mod_reg(OMAP24XX_AUTO_OMAPCTRL |
-			 OMAP24XX_AUTO_WDT1 |
-			 OMAP24XX_AUTO_MPU_WDT |
-			 OMAP24XX_AUTO_GPIOS |
-			 OMAP24XX_AUTO_32KSYNC |
-			 OMAP24XX_AUTO_GPT1,
+	cm_write_mod_reg(OMAP24XX_AUTO_OMAPCTRL_MASK |
+			 OMAP24XX_AUTO_WDT1_MASK |
+			 OMAP24XX_AUTO_MPU_WDT_MASK |
+			 OMAP24XX_AUTO_GPIOS_MASK |
+			 OMAP24XX_AUTO_32KSYNC_MASK |
+			 OMAP24XX_AUTO_GPT1_MASK,
 			 WKUP_MOD, CM_AUTOIDLE);
 
 	/* REVISIT: Configure number of 32 kHz clock cycles for sys_clk
@@ -460,9 +461,9 @@ static void __init prcm_setup_regs(void)
 	/* Configure automatic voltage transition */
 	prm_write_mod_reg(2 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,
 			  OMAP2_PRCM_VOLTSETUP_OFFSET);
-	prm_write_mod_reg(OMAP24XX_AUTO_EXTVOLT |
+	prm_write_mod_reg(OMAP24XX_AUTO_EXTVOLT_MASK |
 			  (0x1 << OMAP24XX_SETOFF_LEVEL_SHIFT) |
-			  OMAP24XX_MEMRETCTRL |
+			  OMAP24XX_MEMRETCTRL_MASK |
 			  (0x1 << OMAP24XX_SETRET_LEVEL_SHIFT) |
 			  (0x0 << OMAP24XX_VOLT_LEVEL_SHIFT),
 			  OMAP24XX_GR_MOD, OMAP2_PRCM_VOLTCTRL_OFFSET);
diff --git a/arch/arm/mach-omap2/prm-regbits-24xx.h b/arch/arm/mach-omap2/prm-regbits-24xx.h
index 4002051c20b..0b188ffa710 100644
--- a/arch/arm/mach-omap2/prm-regbits-24xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-24xx.h
@@ -19,14 +19,14 @@
 /* Bits shared between registers */
 
 /* PRCM_IRQSTATUS_MPU, PM_IRQSTATUS_DSP, PRCM_IRQSTATUS_IVA shared bits */
-#define OMAP24XX_VOLTTRANS_ST				(1 << 2)
-#define OMAP24XX_WKUP2_ST				(1 << 1)
-#define OMAP24XX_WKUP1_ST				(1 << 0)
+#define OMAP24XX_VOLTTRANS_ST_MASK			(1 << 2)
+#define OMAP24XX_WKUP2_ST_MASK				(1 << 1)
+#define OMAP24XX_WKUP1_ST_MASK				(1 << 0)
 
 /* PRCM_IRQENABLE_MPU, PM_IRQENABLE_DSP, PRCM_IRQENABLE_IVA shared bits */
-#define OMAP24XX_VOLTTRANS_EN				(1 << 2)
-#define OMAP24XX_WKUP2_EN				(1 << 1)
-#define OMAP24XX_WKUP1_EN				(1 << 0)
+#define OMAP24XX_VOLTTRANS_EN_MASK			(1 << 2)
+#define OMAP24XX_WKUP2_EN_MASK				(1 << 1)
+#define OMAP24XX_WKUP1_EN_MASK				(1 << 0)
 
 /* PM_WKDEP_GFX, PM_WKDEP_MPU, PM_WKDEP_DSP, PM_WKDEP_MDM shared bits */
 #define OMAP24XX_EN_MPU_SHIFT				1
@@ -40,16 +40,16 @@
  */
 #define OMAP24XX_MEMONSTATE_SHIFT			10
 #define OMAP24XX_MEMONSTATE_MASK			(0x3 << 10)
-#define OMAP24XX_MEMRETSTATE				(1 << 3)
+#define OMAP24XX_MEMRETSTATE_MASK			(1 << 3)
 
 /* PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSP, PM_PWSTCTRL_MDM shared bits */
-#define OMAP24XX_FORCESTATE				(1 << 18)
+#define OMAP24XX_FORCESTATE_MASK			(1 << 18)
 
 /*
  * PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP,
  * PM_PWSTST_MDM shared bits
  */
-#define OMAP24XX_CLKACTIVITY				(1 << 19)
+#define OMAP24XX_CLKACTIVITY_MASK			(1 << 19)
 
 /* PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_DSP shared bits */
 #define OMAP24XX_LASTSTATEENTERED_SHIFT			4
@@ -71,26 +71,26 @@
 #define OMAP24XX_REV_MASK				(0xff << 0)
 
 /* PRCM_SYSCONFIG */
-#define OMAP24XX_AUTOIDLE				(1 << 0)
+#define OMAP24XX_AUTOIDLE_MASK				(1 << 0)
 
 /* PRCM_IRQSTATUS_MPU specific bits */
-#define OMAP2430_DPLL_RECAL_ST				(1 << 6)
-#define OMAP24XX_TRANSITION_ST				(1 << 5)
-#define OMAP24XX_EVGENOFF_ST				(1 << 4)
-#define OMAP24XX_EVGENON_ST				(1 << 3)
+#define OMAP2430_DPLL_RECAL_ST_MASK			(1 << 6)
+#define OMAP24XX_TRANSITION_ST_MASK			(1 << 5)
+#define OMAP24XX_EVGENOFF_ST_MASK			(1 << 4)
+#define OMAP24XX_EVGENON_ST_MASK			(1 << 3)
 
 /* PRCM_IRQENABLE_MPU specific bits */
-#define OMAP2430_DPLL_RECAL_EN				(1 << 6)
-#define OMAP24XX_TRANSITION_EN				(1 << 5)
-#define OMAP24XX_EVGENOFF_EN				(1 << 4)
-#define OMAP24XX_EVGENON_EN				(1 << 3)
+#define OMAP2430_DPLL_RECAL_EN_MASK			(1 << 6)
+#define OMAP24XX_TRANSITION_EN_MASK			(1 << 5)
+#define OMAP24XX_EVGENOFF_EN_MASK			(1 << 4)
+#define OMAP24XX_EVGENON_EN_MASK			(1 << 3)
 
 /* PRCM_VOLTCTRL */
-#define OMAP24XX_AUTO_EXTVOLT				(1 << 15)
-#define OMAP24XX_FORCE_EXTVOLT				(1 << 14)
+#define OMAP24XX_AUTO_EXTVOLT_MASK			(1 << 15)
+#define OMAP24XX_FORCE_EXTVOLT_MASK			(1 << 14)
 #define OMAP24XX_SETOFF_LEVEL_SHIFT			12
 #define OMAP24XX_SETOFF_LEVEL_MASK			(0x3 << 12)
-#define OMAP24XX_MEMRETCTRL				(1 << 8)
+#define OMAP24XX_MEMRETCTRL_MASK			(1 << 8)
 #define OMAP24XX_SETRET_LEVEL_SHIFT			6
 #define OMAP24XX_SETRET_LEVEL_MASK			(0x3 << 6)
 #define OMAP24XX_VOLT_LEVEL_SHIFT			0
@@ -104,13 +104,13 @@
 
 /* PRCM_CLKOUT_CTRL */
 #define OMAP2420_CLKOUT2_EN_SHIFT			15
-#define OMAP2420_CLKOUT2_EN				(1 << 15)
+#define OMAP2420_CLKOUT2_EN_MASK			(1 << 15)
 #define OMAP2420_CLKOUT2_DIV_SHIFT			11
 #define OMAP2420_CLKOUT2_DIV_MASK			(0x7 << 11)
 #define OMAP2420_CLKOUT2_SOURCE_SHIFT			8
 #define OMAP2420_CLKOUT2_SOURCE_MASK			(0x3 << 8)
 #define OMAP24XX_CLKOUT_EN_SHIFT			7
-#define OMAP24XX_CLKOUT_EN				(1 << 7)
+#define OMAP24XX_CLKOUT_EN_MASK				(1 << 7)
 #define OMAP24XX_CLKOUT_DIV_SHIFT			3
 #define OMAP24XX_CLKOUT_DIV_MASK			(0x7 << 3)
 #define OMAP24XX_CLKOUT_SOURCE_SHIFT			0
@@ -118,25 +118,25 @@
 
 /* PRCM_CLKEMUL_CTRL */
 #define OMAP24XX_EMULATION_EN_SHIFT			0
-#define OMAP24XX_EMULATION_EN				(1 << 0)
+#define OMAP24XX_EMULATION_EN_MASK			(1 << 0)
 
 /* PRCM_CLKCFG_CTRL */
-#define OMAP24XX_VALID_CONFIG				(1 << 0)
+#define OMAP24XX_VALID_CONFIG_MASK			(1 << 0)
 
 /* PRCM_CLKCFG_STATUS */
-#define OMAP24XX_CONFIG_STATUS				(1 << 0)
+#define OMAP24XX_CONFIG_STATUS_MASK			(1 << 0)
 
 /* PRCM_VOLTSETUP specific bits */
 
 /* PRCM_CLKSSETUP specific bits */
 
 /* PRCM_POLCTRL */
-#define OMAP2420_CLKOUT2_POL				(1 << 10)
-#define OMAP24XX_CLKOUT_POL				(1 << 9)
-#define OMAP24XX_CLKREQ_POL				(1 << 8)
-#define OMAP2430_USE_POWEROK				(1 << 2)
-#define OMAP2430_POWEROK_POL				(1 << 1)
-#define OMAP24XX_EXTVOL_POL				(1 << 0)
+#define OMAP2420_CLKOUT2_POL_MASK			(1 << 10)
+#define OMAP24XX_CLKOUT_POL_MASK			(1 << 9)
+#define OMAP24XX_CLKREQ_POL_MASK			(1 << 8)
+#define OMAP2430_USE_POWEROK_MASK			(1 << 2)
+#define OMAP2430_POWEROK_POL_MASK			(1 << 1)
+#define OMAP24XX_EXTVOL_POL_MASK			(1 << 0)
 
 /* RM_RSTST_MPU specific bits */
 /* 2430 calls GLOBALWMPU_RST "GLOBALWARM_RST" instead */
@@ -154,7 +154,7 @@
 /* PM_EVEGENOFFTIM_MPU specific bits */
 
 /* PM_PWSTCTRL_MPU specific bits */
-#define OMAP2430_FORCESTATE				(1 << 18)
+#define OMAP2430_FORCESTATE_MASK			(1 << 18)
 
 /* PM_PWSTST_MPU specific bits */
 /* INTRANSITION, CLKACTIVITY, POWERSTATE, MEMSTATEST are 2430 only */
@@ -168,21 +168,21 @@
 /* PM_WKST2_CORE specific bits */
 
 /* PM_WKDEP_CORE specific bits*/
-#define OMAP2430_PM_WKDEP_CORE_EN_MDM			(1 << 5)
-#define OMAP24XX_PM_WKDEP_CORE_EN_GFX			(1 << 3)
-#define OMAP24XX_PM_WKDEP_CORE_EN_DSP			(1 << 2)
+#define OMAP2430_PM_WKDEP_CORE_EN_MDM_MASK		(1 << 5)
+#define OMAP24XX_PM_WKDEP_CORE_EN_GFX_MASK		(1 << 3)
+#define OMAP24XX_PM_WKDEP_CORE_EN_DSP_MASK		(1 << 2)
 
 /* PM_PWSTCTRL_CORE specific bits */
-#define OMAP24XX_MEMORYCHANGE				(1 << 20)
+#define OMAP24XX_MEMORYCHANGE_MASK			(1 << 20)
 #define OMAP24XX_MEM3ONSTATE_SHIFT			14
 #define OMAP24XX_MEM3ONSTATE_MASK			(0x3 << 14)
 #define OMAP24XX_MEM2ONSTATE_SHIFT			12
 #define OMAP24XX_MEM2ONSTATE_MASK			(0x3 << 12)
 #define OMAP24XX_MEM1ONSTATE_SHIFT			10
 #define OMAP24XX_MEM1ONSTATE_MASK			(0x3 << 10)
-#define OMAP24XX_MEM3RETSTATE				(1 << 5)
-#define OMAP24XX_MEM2RETSTATE				(1 << 4)
-#define OMAP24XX_MEM1RETSTATE				(1 << 3)
+#define OMAP24XX_MEM3RETSTATE_MASK			(1 << 5)
+#define OMAP24XX_MEM2RETSTATE_MASK			(1 << 4)
+#define OMAP24XX_MEM1RETSTATE_MASK			(1 << 3)
 
 /* PM_PWSTST_CORE specific bits */
 #define OMAP24XX_MEM3STATEST_SHIFT			14
@@ -193,10 +193,10 @@
 #define OMAP24XX_MEM1STATEST_MASK			(0x3 << 10)
 
 /* RM_RSTCTRL_GFX */
-#define OMAP24XX_GFX_RST				(1 << 0)
+#define OMAP24XX_GFX_RST_MASK				(1 << 0)
 
 /* RM_RSTST_GFX specific bits */
-#define OMAP24XX_GFX_SW_RST				(1 << 4)
+#define OMAP24XX_GFX_SW_RST_MASK			(1 << 4)
 
 /* PM_PWSTCTRL_GFX specific bits */
 
@@ -209,25 +209,25 @@
 
 /* RM_RSTST_WKUP specific bits */
 /* 2430 calls EXTWMPU_RST "EXTWARM_RST" and GLOBALWMPU_RST "GLOBALWARM_RST" */
-#define OMAP24XX_EXTWMPU_RST				(1 << 6)
-#define OMAP24XX_SECU_WD_RST				(1 << 5)
-#define OMAP24XX_MPU_WD_RST				(1 << 4)
-#define OMAP24XX_SECU_VIOL_RST				(1 << 3)
+#define OMAP24XX_EXTWMPU_RST_MASK			(1 << 6)
+#define OMAP24XX_SECU_WD_RST_MASK			(1 << 5)
+#define OMAP24XX_MPU_WD_RST_MASK			(1 << 4)
+#define OMAP24XX_SECU_VIOL_RST_MASK			(1 << 3)
 
 /* PM_WKEN_WKUP specific bits */
 
 /* PM_WKST_WKUP specific bits */
 
 /* RM_RSTCTRL_DSP */
-#define OMAP2420_RST_IVA				(1 << 8)
-#define OMAP24XX_RST2_DSP				(1 << 1)
-#define OMAP24XX_RST1_DSP				(1 << 0)
+#define OMAP2420_RST_IVA_MASK				(1 << 8)
+#define OMAP24XX_RST2_DSP_MASK				(1 << 1)
+#define OMAP24XX_RST1_DSP_MASK				(1 << 0)
 
 /* RM_RSTST_DSP specific bits */
 /* 2430 calls GLOBALWMPU_RST "GLOBALWARM_RST" */
-#define OMAP2420_IVA_SW_RST				(1 << 8)
-#define OMAP24XX_DSP_SW_RST2				(1 << 5)
-#define OMAP24XX_DSP_SW_RST1				(1 << 4)
+#define OMAP2420_IVA_SW_RST_MASK			(1 << 8)
+#define OMAP24XX_DSP_SW_RST2_MASK			(1 << 5)
+#define OMAP24XX_DSP_SW_RST1_MASK			(1 << 4)
 
 /* PM_WKDEP_DSP specific bits */
 
@@ -235,7 +235,7 @@
 /* 2430 only: MEMONSTATE, MEMRETSTATE */
 #define OMAP2420_MEMIONSTATE_SHIFT			12
 #define OMAP2420_MEMIONSTATE_MASK			(0x3 << 12)
-#define OMAP2420_MEMIRETSTATE				(1 << 4)
+#define OMAP2420_MEMIRETSTATE_MASK			(1 << 4)
 
 /* PM_PWSTST_DSP specific bits */
 /* MEMSTATEST is 2430 only */
@@ -248,18 +248,18 @@
 
 /* RM_RSTCTRL_MDM */
 /* 2430 only */
-#define OMAP2430_PWRON1_MDM				(1 << 1)
-#define OMAP2430_RST1_MDM				(1 << 0)
+#define OMAP2430_PWRON1_MDM_MASK			(1 << 1)
+#define OMAP2430_RST1_MDM_MASK				(1 << 0)
 
 /* RM_RSTST_MDM specific bits */
 /* 2430 only */
-#define OMAP2430_MDM_SECU_VIOL				(1 << 6)
-#define OMAP2430_MDM_SW_PWRON1				(1 << 5)
-#define OMAP2430_MDM_SW_RST1				(1 << 4)
+#define OMAP2430_MDM_SECU_VIOL_MASK			(1 << 6)
+#define OMAP2430_MDM_SW_PWRON1_MASK			(1 << 5)
+#define OMAP2430_MDM_SW_RST1_MASK			(1 << 4)
 
 /* PM_WKEN_MDM */
 /* 2430 only */
-#define OMAP2430_PM_WKEN_MDM_EN_MDM			(1 << 0)
+#define OMAP2430_PM_WKEN_MDM_EN_MDM_MASK		(1 << 0)
 
 /* PM_WKST_MDM specific bits */
 /* 2430 only */
@@ -269,7 +269,7 @@
 
 /* PM_PWSTCTRL_MDM specific bits */
 /* 2430 only */
-#define OMAP2430_KILLDOMAINWKUP				(1 << 19)
+#define OMAP2430_KILLDOMAINWKUP_MASK			(1 << 19)
 
 /* PM_PWSTST_MDM specific bits */
 /* 2430 only */

From 2bc4ef71c5a3b6986b452d6c530777974d11ef4a Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 18:47:24 -0600
Subject: [PATCH 2364/3638] OMAP3 PRCM: convert OMAP3 PRCM macros to the
 _SHIFT/_MASK suffixes

Fix all of the remaining OMAP3 PRCM register shift/bitmask macros that
did not use the _SHIFT/_MASK suffixes to use them.  This makes the use
of these macros consistent.  It is intended to reduce error, as code
can be inspected visually by reviewers to ensure that bitshifts and
bitmasks are used in the appropriate places.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/cm-regbits-34xx.h  | 222 +++++++--------
 arch/arm/mach-omap2/control.c          |   7 +-
 arch/arm/mach-omap2/pm34xx.c           | 178 ++++++------
 arch/arm/mach-omap2/powerdomain.c      |  24 +-
 arch/arm/mach-omap2/prm-regbits-34xx.h | 360 ++++++++++++-------------
 5 files changed, 398 insertions(+), 393 deletions(-)

diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h
index a3a3ca07e38..fe82b79d5f3 100644
--- a/arch/arm/mach-omap2/cm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-34xx.h
@@ -21,15 +21,15 @@
 /* CM_FCLKEN1_CORE and CM_ICLKEN1_CORE shared bits */
 #define OMAP3430ES2_EN_MMC3_MASK			(1 << 30)
 #define OMAP3430ES2_EN_MMC3_SHIFT			30
-#define OMAP3430_EN_MSPRO				(1 << 23)
+#define OMAP3430_EN_MSPRO_MASK				(1 << 23)
 #define OMAP3430_EN_MSPRO_SHIFT				23
-#define OMAP3430_EN_HDQ					(1 << 22)
+#define OMAP3430_EN_HDQ_MASK				(1 << 22)
 #define OMAP3430_EN_HDQ_SHIFT				22
-#define OMAP3430ES1_EN_FSHOSTUSB			(1 << 5)
+#define OMAP3430ES1_EN_FSHOSTUSB_MASK			(1 << 5)
 #define OMAP3430ES1_EN_FSHOSTUSB_SHIFT			5
-#define OMAP3430ES1_EN_D2D				(1 << 3)
+#define OMAP3430ES1_EN_D2D_MASK				(1 << 3)
 #define OMAP3430ES1_EN_D2D_SHIFT			3
-#define OMAP3430_EN_SSI					(1 << 0)
+#define OMAP3430_EN_SSI_MASK				(1 << 0)
 #define OMAP3430_EN_SSI_SHIFT				0
 
 /* CM_FCLKEN3_CORE and CM_ICLKEN3_CORE shared bits */
@@ -37,19 +37,19 @@
 #define OMAP3430ES2_EN_USBTLL_MASK			(1 << 2)
 
 /* CM_FCLKEN_WKUP and CM_ICLKEN_WKUP shared bits */
-#define OMAP3430_EN_WDT2				(1 << 5)
+#define OMAP3430_EN_WDT2_MASK				(1 << 5)
 #define OMAP3430_EN_WDT2_SHIFT				5
 
 /* CM_ICLKEN_CAM, CM_FCLKEN_CAM shared bits */
-#define OMAP3430_EN_CAM					(1 << 0)
+#define OMAP3430_EN_CAM_MASK				(1 << 0)
 #define OMAP3430_EN_CAM_SHIFT				0
 
 /* CM_FCLKEN_PER, CM_ICLKEN_PER shared bits */
-#define OMAP3430_EN_WDT3				(1 << 12)
+#define OMAP3430_EN_WDT3_MASK				(1 << 12)
 #define OMAP3430_EN_WDT3_SHIFT				12
 
 /* CM_CLKSEL2_EMU, CM_CLKSEL3_EMU shared bits */
-#define OMAP3430_OVERRIDE_ENABLE			(1 << 19)
+#define OMAP3430_OVERRIDE_ENABLE_MASK			(1 << 19)
 
 
 /* Bits specific to each register */
@@ -69,7 +69,7 @@
 #define OMAP3430_EN_IVA2_DPLL_MASK			(0x7 << 0)
 
 /* CM_IDLEST_IVA2 */
-#define OMAP3430_ST_IVA2				(1 << 0)
+#define OMAP3430_ST_IVA2_MASK				(1 << 0)
 
 /* CM_IDLEST_PLL_IVA2 */
 #define OMAP3430_ST_IVA2_CLK_SHIFT			0
@@ -114,7 +114,7 @@
 #define OMAP3430_EN_MPU_DPLL_MASK			(0x7 << 0)
 
 /* CM_IDLEST_MPU */
-#define OMAP3430_ST_MPU					(1 << 0)
+#define OMAP3430_ST_MPU_MASK				(1 << 0)
 
 /* CM_IDLEST_PLL_MPU */
 #define OMAP3430_ST_MPU_CLK_SHIFT			0
@@ -145,50 +145,50 @@
 #define OMAP3430_CLKACTIVITY_MPU_MASK			(1 << 0)
 
 /* CM_FCLKEN1_CORE specific bits */
-#define OMAP3430_EN_MODEM				(1 << 31)
+#define OMAP3430_EN_MODEM_MASK				(1 << 31)
 #define OMAP3430_EN_MODEM_SHIFT				31
 
 /* CM_ICLKEN1_CORE specific bits */
-#define OMAP3430_EN_ICR					(1 << 29)
+#define OMAP3430_EN_ICR_MASK				(1 << 29)
 #define OMAP3430_EN_ICR_SHIFT				29
-#define OMAP3430_EN_AES2				(1 << 28)
+#define OMAP3430_EN_AES2_MASK				(1 << 28)
 #define OMAP3430_EN_AES2_SHIFT				28
-#define OMAP3430_EN_SHA12				(1 << 27)
+#define OMAP3430_EN_SHA12_MASK				(1 << 27)
 #define OMAP3430_EN_SHA12_SHIFT				27
-#define OMAP3430_EN_DES2				(1 << 26)
+#define OMAP3430_EN_DES2_MASK				(1 << 26)
 #define OMAP3430_EN_DES2_SHIFT				26
-#define OMAP3430ES1_EN_FAC				(1 << 8)
+#define OMAP3430ES1_EN_FAC_MASK				(1 << 8)
 #define OMAP3430ES1_EN_FAC_SHIFT			8
-#define OMAP3430_EN_MAILBOXES				(1 << 7)
+#define OMAP3430_EN_MAILBOXES_MASK			(1 << 7)
 #define OMAP3430_EN_MAILBOXES_SHIFT			7
-#define OMAP3430_EN_OMAPCTRL				(1 << 6)
+#define OMAP3430_EN_OMAPCTRL_MASK			(1 << 6)
 #define OMAP3430_EN_OMAPCTRL_SHIFT			6
-#define OMAP3430_EN_SAD2D				(1 << 3)
+#define OMAP3430_EN_SAD2D_MASK				(1 << 3)
 #define OMAP3430_EN_SAD2D_SHIFT				3
-#define OMAP3430_EN_SDRC				(1 << 1)
+#define OMAP3430_EN_SDRC_MASK				(1 << 1)
 #define OMAP3430_EN_SDRC_SHIFT				1
 
 /* AM35XX specific CM_ICLKEN1_CORE bits */
 #define AM35XX_EN_IPSS_MASK				(1 << 4)
 #define AM35XX_EN_IPSS_SHIFT				4
-#define AM35XX_EN_UART4_MASK			(1 << 23)
+#define AM35XX_EN_UART4_MASK				(1 << 23)
 #define AM35XX_EN_UART4_SHIFT				23
 
 /* CM_ICLKEN2_CORE */
-#define OMAP3430_EN_PKA					(1 << 4)
+#define OMAP3430_EN_PKA_MASK				(1 << 4)
 #define OMAP3430_EN_PKA_SHIFT				4
-#define OMAP3430_EN_AES1				(1 << 3)
+#define OMAP3430_EN_AES1_MASK				(1 << 3)
 #define OMAP3430_EN_AES1_SHIFT				3
-#define OMAP3430_EN_RNG					(1 << 2)
+#define OMAP3430_EN_RNG_MASK				(1 << 2)
 #define OMAP3430_EN_RNG_SHIFT				2
-#define OMAP3430_EN_SHA11				(1 << 1)
+#define OMAP3430_EN_SHA11_MASK				(1 << 1)
 #define OMAP3430_EN_SHA11_SHIFT				1
-#define OMAP3430_EN_DES1				(1 << 0)
+#define OMAP3430_EN_DES1_MASK				(1 << 0)
 #define OMAP3430_EN_DES1_SHIFT				0
 
 /* CM_ICLKEN3_CORE */
 #define OMAP3430_EN_MAD2D_SHIFT				3
-#define OMAP3430_EN_MAD2D				(1 << 3)
+#define OMAP3430_EN_MAD2D_MASK				(1 << 3)
 
 /* CM_FCLKEN3_CORE specific bits */
 #define OMAP3430ES2_EN_TS_SHIFT				1
@@ -249,79 +249,79 @@
 #define OMAP3430ES2_ST_CPEFUSE_MASK			(1 << 0)
 
 /* CM_AUTOIDLE1_CORE */
-#define OMAP3430_AUTO_MODEM				(1 << 31)
+#define OMAP3430_AUTO_MODEM_MASK			(1 << 31)
 #define OMAP3430_AUTO_MODEM_SHIFT			31
-#define OMAP3430ES2_AUTO_MMC3				(1 << 30)
+#define OMAP3430ES2_AUTO_MMC3_MASK			(1 << 30)
 #define OMAP3430ES2_AUTO_MMC3_SHIFT			30
-#define OMAP3430ES2_AUTO_ICR				(1 << 29)
+#define OMAP3430ES2_AUTO_ICR_MASK			(1 << 29)
 #define OMAP3430ES2_AUTO_ICR_SHIFT			29
-#define OMAP3430_AUTO_AES2				(1 << 28)
+#define OMAP3430_AUTO_AES2_MASK				(1 << 28)
 #define OMAP3430_AUTO_AES2_SHIFT			28
-#define OMAP3430_AUTO_SHA12				(1 << 27)
+#define OMAP3430_AUTO_SHA12_MASK			(1 << 27)
 #define OMAP3430_AUTO_SHA12_SHIFT			27
-#define OMAP3430_AUTO_DES2				(1 << 26)
+#define OMAP3430_AUTO_DES2_MASK				(1 << 26)
 #define OMAP3430_AUTO_DES2_SHIFT			26
-#define OMAP3430_AUTO_MMC2				(1 << 25)
+#define OMAP3430_AUTO_MMC2_MASK				(1 << 25)
 #define OMAP3430_AUTO_MMC2_SHIFT			25
-#define OMAP3430_AUTO_MMC1				(1 << 24)
+#define OMAP3430_AUTO_MMC1_MASK				(1 << 24)
 #define OMAP3430_AUTO_MMC1_SHIFT			24
-#define OMAP3430_AUTO_MSPRO				(1 << 23)
+#define OMAP3430_AUTO_MSPRO_MASK			(1 << 23)
 #define OMAP3430_AUTO_MSPRO_SHIFT			23
-#define OMAP3430_AUTO_HDQ				(1 << 22)
+#define OMAP3430_AUTO_HDQ_MASK				(1 << 22)
 #define OMAP3430_AUTO_HDQ_SHIFT				22
-#define OMAP3430_AUTO_MCSPI4				(1 << 21)
+#define OMAP3430_AUTO_MCSPI4_MASK			(1 << 21)
 #define OMAP3430_AUTO_MCSPI4_SHIFT			21
-#define OMAP3430_AUTO_MCSPI3				(1 << 20)
+#define OMAP3430_AUTO_MCSPI3_MASK			(1 << 20)
 #define OMAP3430_AUTO_MCSPI3_SHIFT			20
-#define OMAP3430_AUTO_MCSPI2				(1 << 19)
+#define OMAP3430_AUTO_MCSPI2_MASK			(1 << 19)
 #define OMAP3430_AUTO_MCSPI2_SHIFT			19
-#define OMAP3430_AUTO_MCSPI1				(1 << 18)
+#define OMAP3430_AUTO_MCSPI1_MASK			(1 << 18)
 #define OMAP3430_AUTO_MCSPI1_SHIFT			18
-#define OMAP3430_AUTO_I2C3				(1 << 17)
+#define OMAP3430_AUTO_I2C3_MASK				(1 << 17)
 #define OMAP3430_AUTO_I2C3_SHIFT			17
-#define OMAP3430_AUTO_I2C2				(1 << 16)
+#define OMAP3430_AUTO_I2C2_MASK				(1 << 16)
 #define OMAP3430_AUTO_I2C2_SHIFT			16
-#define OMAP3430_AUTO_I2C1				(1 << 15)
+#define OMAP3430_AUTO_I2C1_MASK				(1 << 15)
 #define OMAP3430_AUTO_I2C1_SHIFT			15
-#define OMAP3430_AUTO_UART2				(1 << 14)
+#define OMAP3430_AUTO_UART2_MASK			(1 << 14)
 #define OMAP3430_AUTO_UART2_SHIFT			14
-#define OMAP3430_AUTO_UART1				(1 << 13)
+#define OMAP3430_AUTO_UART1_MASK			(1 << 13)
 #define OMAP3430_AUTO_UART1_SHIFT			13
-#define OMAP3430_AUTO_GPT11				(1 << 12)
+#define OMAP3430_AUTO_GPT11_MASK			(1 << 12)
 #define OMAP3430_AUTO_GPT11_SHIFT			12
-#define OMAP3430_AUTO_GPT10				(1 << 11)
+#define OMAP3430_AUTO_GPT10_MASK			(1 << 11)
 #define OMAP3430_AUTO_GPT10_SHIFT			11
-#define OMAP3430_AUTO_MCBSP5				(1 << 10)
+#define OMAP3430_AUTO_MCBSP5_MASK			(1 << 10)
 #define OMAP3430_AUTO_MCBSP5_SHIFT			10
-#define OMAP3430_AUTO_MCBSP1				(1 << 9)
+#define OMAP3430_AUTO_MCBSP1_MASK			(1 << 9)
 #define OMAP3430_AUTO_MCBSP1_SHIFT			9
-#define OMAP3430ES1_AUTO_FAC				(1 << 8)
+#define OMAP3430ES1_AUTO_FAC_MASK			(1 << 8)
 #define OMAP3430ES1_AUTO_FAC_SHIFT			8
-#define OMAP3430_AUTO_MAILBOXES				(1 << 7)
+#define OMAP3430_AUTO_MAILBOXES_MASK			(1 << 7)
 #define OMAP3430_AUTO_MAILBOXES_SHIFT			7
-#define OMAP3430_AUTO_OMAPCTRL				(1 << 6)
+#define OMAP3430_AUTO_OMAPCTRL_MASK			(1 << 6)
 #define OMAP3430_AUTO_OMAPCTRL_SHIFT			6
-#define OMAP3430ES1_AUTO_FSHOSTUSB			(1 << 5)
+#define OMAP3430ES1_AUTO_FSHOSTUSB_MASK			(1 << 5)
 #define OMAP3430ES1_AUTO_FSHOSTUSB_SHIFT		5
-#define OMAP3430_AUTO_HSOTGUSB				(1 << 4)
+#define OMAP3430_AUTO_HSOTGUSB_MASK			(1 << 4)
 #define OMAP3430_AUTO_HSOTGUSB_SHIFT			4
-#define OMAP3430ES1_AUTO_D2D				(1 << 3)
+#define OMAP3430ES1_AUTO_D2D_MASK			(1 << 3)
 #define OMAP3430ES1_AUTO_D2D_SHIFT			3
-#define OMAP3430_AUTO_SAD2D				(1 << 3)
+#define OMAP3430_AUTO_SAD2D_MASK			(1 << 3)
 #define OMAP3430_AUTO_SAD2D_SHIFT			3
-#define OMAP3430_AUTO_SSI				(1 << 0)
+#define OMAP3430_AUTO_SSI_MASK				(1 << 0)
 #define OMAP3430_AUTO_SSI_SHIFT				0
 
 /* CM_AUTOIDLE2_CORE */
-#define OMAP3430_AUTO_PKA				(1 << 4)
+#define OMAP3430_AUTO_PKA_MASK				(1 << 4)
 #define OMAP3430_AUTO_PKA_SHIFT				4
-#define OMAP3430_AUTO_AES1				(1 << 3)
+#define OMAP3430_AUTO_AES1_MASK				(1 << 3)
 #define OMAP3430_AUTO_AES1_SHIFT			3
-#define OMAP3430_AUTO_RNG				(1 << 2)
+#define OMAP3430_AUTO_RNG_MASK				(1 << 2)
 #define OMAP3430_AUTO_RNG_SHIFT				2
-#define OMAP3430_AUTO_SHA11				(1 << 1)
+#define OMAP3430_AUTO_SHA11_MASK			(1 << 1)
 #define OMAP3430_AUTO_SHA11_SHIFT			1
-#define OMAP3430_AUTO_DES1				(1 << 0)
+#define OMAP3430_AUTO_DES1_MASK				(1 << 0)
 #define OMAP3430_AUTO_DES1_SHIFT			0
 
 /* CM_AUTOIDLE3_CORE */
@@ -331,7 +331,7 @@
 #define OMAP3430ES2_AUTO_USBTLL_SHIFT			2
 #define OMAP3430ES2_AUTO_USBTLL_MASK			(1 << 2)
 #define OMAP3430_AUTO_MAD2D_SHIFT			3
-#define OMAP3430_AUTO_MAD2D				(1 << 3)
+#define OMAP3430_AUTO_MAD2D_MASK			(1 << 3)
 
 /* CM_CLKSEL_CORE */
 #define OMAP3430_CLKSEL_SSI_SHIFT			8
@@ -366,9 +366,9 @@
 #define OMAP3430_CLKACTIVITY_L3_MASK			(1 << 0)
 
 /* CM_FCLKEN_GFX */
-#define OMAP3430ES1_EN_3D				(1 << 2)
+#define OMAP3430ES1_EN_3D_MASK				(1 << 2)
 #define OMAP3430ES1_EN_3D_SHIFT				2
-#define OMAP3430ES1_EN_2D				(1 << 1)
+#define OMAP3430ES1_EN_2D_MASK				(1 << 1)
 #define OMAP3430ES1_EN_2D_SHIFT				1
 
 /* CM_ICLKEN_GFX specific bits */
@@ -416,9 +416,9 @@
 #define OMAP3430ES2_EN_USIMOCP_MASK			(1 << 9)
 
 /* CM_ICLKEN_WKUP specific bits */
-#define OMAP3430_EN_WDT1				(1 << 4)
+#define OMAP3430_EN_WDT1_MASK				(1 << 4)
 #define OMAP3430_EN_WDT1_SHIFT				4
-#define OMAP3430_EN_32KSYNC				(1 << 2)
+#define OMAP3430_EN_32KSYNC_MASK			(1 << 2)
 #define OMAP3430_EN_32KSYNC_SHIFT			2
 
 /* CM_IDLEST_WKUP specific bits */
@@ -432,19 +432,19 @@
 #define OMAP3430_ST_32KSYNC_MASK			(1 << 2)
 
 /* CM_AUTOIDLE_WKUP */
-#define OMAP3430ES2_AUTO_USIMOCP				(1 << 9)
+#define OMAP3430ES2_AUTO_USIMOCP_MASK			(1 << 9)
 #define OMAP3430ES2_AUTO_USIMOCP_SHIFT			9
-#define OMAP3430_AUTO_WDT2				(1 << 5)
+#define OMAP3430_AUTO_WDT2_MASK				(1 << 5)
 #define OMAP3430_AUTO_WDT2_SHIFT			5
-#define OMAP3430_AUTO_WDT1				(1 << 4)
+#define OMAP3430_AUTO_WDT1_MASK				(1 << 4)
 #define OMAP3430_AUTO_WDT1_SHIFT			4
-#define OMAP3430_AUTO_GPIO1				(1 << 3)
+#define OMAP3430_AUTO_GPIO1_MASK			(1 << 3)
 #define OMAP3430_AUTO_GPIO1_SHIFT			3
-#define OMAP3430_AUTO_32KSYNC				(1 << 2)
+#define OMAP3430_AUTO_32KSYNC_MASK			(1 << 2)
 #define OMAP3430_AUTO_32KSYNC_SHIFT			2
-#define OMAP3430_AUTO_GPT12				(1 << 1)
+#define OMAP3430_AUTO_GPT12_MASK			(1 << 1)
 #define OMAP3430_AUTO_GPT12_SHIFT			1
-#define OMAP3430_AUTO_GPT1				(1 << 0)
+#define OMAP3430_AUTO_GPT1_MASK				(1 << 0)
 #define OMAP3430_AUTO_GPT1_SHIFT			0
 
 /* CM_CLKSEL_WKUP */
@@ -479,7 +479,7 @@
 #define OMAP3430_EN_CORE_DPLL_MASK			(0x7 << 0)
 
 /* CM_CLKEN2_PLL */
-#define OMAP3430ES2_EN_PERIPH2_DPLL_LPMODE_SHIFT		10
+#define OMAP3430ES2_EN_PERIPH2_DPLL_LPMODE_SHIFT	10
 #define OMAP3430ES2_PERIPH2_DPLL_RAMPTIME_MASK		(0x3 << 8)
 #define OMAP3430ES2_PERIPH2_DPLL_FREQSEL_SHIFT		4
 #define OMAP3430ES2_PERIPH2_DPLL_FREQSEL_MASK		(0xf << 4)
@@ -488,10 +488,10 @@
 #define OMAP3430ES2_EN_PERIPH2_DPLL_MASK		(0x7 << 0)
 
 /* CM_IDLEST_CKGEN */
-#define OMAP3430_ST_54M_CLK				(1 << 5)
-#define OMAP3430_ST_12M_CLK				(1 << 4)
-#define OMAP3430_ST_48M_CLK				(1 << 3)
-#define OMAP3430_ST_96M_CLK				(1 << 2)
+#define OMAP3430_ST_54M_CLK_MASK			(1 << 5)
+#define OMAP3430_ST_12M_CLK_MASK			(1 << 4)
+#define OMAP3430_ST_48M_CLK_MASK			(1 << 3)
+#define OMAP3430_ST_96M_CLK_MASK			(1 << 2)
 #define OMAP3430_ST_PERIPH_CLK_SHIFT			1
 #define OMAP3430_ST_PERIPH_CLK_MASK			(1 << 1)
 #define OMAP3430_ST_CORE_CLK_SHIFT			0
@@ -558,22 +558,22 @@
 
 /* CM_CLKOUT_CTRL */
 #define OMAP3430_CLKOUT2_EN_SHIFT			7
-#define OMAP3430_CLKOUT2_EN				(1 << 7)
+#define OMAP3430_CLKOUT2_EN_MASK			(1 << 7)
 #define OMAP3430_CLKOUT2_DIV_SHIFT			3
 #define OMAP3430_CLKOUT2_DIV_MASK			(0x7 << 3)
 #define OMAP3430_CLKOUT2SOURCE_SHIFT			0
 #define OMAP3430_CLKOUT2SOURCE_MASK			(0x3 << 0)
 
 /* CM_FCLKEN_DSS */
-#define OMAP3430_EN_TV					(1 << 2)
+#define OMAP3430_EN_TV_MASK				(1 << 2)
 #define OMAP3430_EN_TV_SHIFT				2
-#define OMAP3430_EN_DSS2				(1 << 1)
+#define OMAP3430_EN_DSS2_MASK				(1 << 1)
 #define OMAP3430_EN_DSS2_SHIFT				1
-#define OMAP3430_EN_DSS1				(1 << 0)
+#define OMAP3430_EN_DSS1_MASK				(1 << 0)
 #define OMAP3430_EN_DSS1_SHIFT				0
 
 /* CM_ICLKEN_DSS */
-#define OMAP3430_CM_ICLKEN_DSS_EN_DSS			(1 << 0)
+#define OMAP3430_CM_ICLKEN_DSS_EN_DSS_MASK		(1 << 0)
 #define OMAP3430_CM_ICLKEN_DSS_EN_DSS_SHIFT		0
 
 /* CM_IDLEST_DSS */
@@ -585,7 +585,7 @@
 #define OMAP3430ES1_ST_DSS_MASK				(1 << 0)
 
 /* CM_AUTOIDLE_DSS */
-#define OMAP3430_AUTO_DSS				(1 << 0)
+#define OMAP3430_AUTO_DSS_MASK				(1 << 0)
 #define OMAP3430_AUTO_DSS_SHIFT				0
 
 /* CM_CLKSEL_DSS */
@@ -607,16 +607,16 @@
 #define OMAP3430_CLKACTIVITY_DSS_MASK			(1 << 0)
 
 /* CM_FCLKEN_CAM specific bits */
-#define OMAP3430_EN_CSI2				(1 << 1)
+#define OMAP3430_EN_CSI2_MASK				(1 << 1)
 #define OMAP3430_EN_CSI2_SHIFT				1
 
 /* CM_ICLKEN_CAM specific bits */
 
 /* CM_IDLEST_CAM */
-#define OMAP3430_ST_CAM					(1 << 0)
+#define OMAP3430_ST_CAM_MASK				(1 << 0)
 
 /* CM_AUTOIDLE_CAM */
-#define OMAP3430_AUTO_CAM				(1 << 0)
+#define OMAP3430_AUTO_CAM_MASK				(1 << 0)
 #define OMAP3430_AUTO_CAM_SHIFT				0
 
 /* CM_CLKSEL_CAM */
@@ -649,41 +649,41 @@
 #define OMAP3430_ST_MCBSP2_MASK				(1 << 0)
 
 /* CM_AUTOIDLE_PER */
-#define OMAP3430_AUTO_GPIO6				(1 << 17)
+#define OMAP3430_AUTO_GPIO6_MASK			(1 << 17)
 #define OMAP3430_AUTO_GPIO6_SHIFT			17
-#define OMAP3430_AUTO_GPIO5				(1 << 16)
+#define OMAP3430_AUTO_GPIO5_MASK			(1 << 16)
 #define OMAP3430_AUTO_GPIO5_SHIFT			16
-#define OMAP3430_AUTO_GPIO4				(1 << 15)
+#define OMAP3430_AUTO_GPIO4_MASK			(1 << 15)
 #define OMAP3430_AUTO_GPIO4_SHIFT			15
-#define OMAP3430_AUTO_GPIO3				(1 << 14)
+#define OMAP3430_AUTO_GPIO3_MASK			(1 << 14)
 #define OMAP3430_AUTO_GPIO3_SHIFT			14
-#define OMAP3430_AUTO_GPIO2				(1 << 13)
+#define OMAP3430_AUTO_GPIO2_MASK			(1 << 13)
 #define OMAP3430_AUTO_GPIO2_SHIFT			13
-#define OMAP3430_AUTO_WDT3				(1 << 12)
+#define OMAP3430_AUTO_WDT3_MASK				(1 << 12)
 #define OMAP3430_AUTO_WDT3_SHIFT			12
-#define OMAP3430_AUTO_UART3				(1 << 11)
+#define OMAP3430_AUTO_UART3_MASK			(1 << 11)
 #define OMAP3430_AUTO_UART3_SHIFT			11
-#define OMAP3430_AUTO_GPT9				(1 << 10)
+#define OMAP3430_AUTO_GPT9_MASK				(1 << 10)
 #define OMAP3430_AUTO_GPT9_SHIFT			10
-#define OMAP3430_AUTO_GPT8				(1 << 9)
+#define OMAP3430_AUTO_GPT8_MASK				(1 << 9)
 #define OMAP3430_AUTO_GPT8_SHIFT			9
-#define OMAP3430_AUTO_GPT7				(1 << 8)
+#define OMAP3430_AUTO_GPT7_MASK				(1 << 8)
 #define OMAP3430_AUTO_GPT7_SHIFT			8
-#define OMAP3430_AUTO_GPT6				(1 << 7)
+#define OMAP3430_AUTO_GPT6_MASK				(1 << 7)
 #define OMAP3430_AUTO_GPT6_SHIFT			7
-#define OMAP3430_AUTO_GPT5				(1 << 6)
+#define OMAP3430_AUTO_GPT5_MASK				(1 << 6)
 #define OMAP3430_AUTO_GPT5_SHIFT			6
-#define OMAP3430_AUTO_GPT4				(1 << 5)
+#define OMAP3430_AUTO_GPT4_MASK				(1 << 5)
 #define OMAP3430_AUTO_GPT4_SHIFT			5
-#define OMAP3430_AUTO_GPT3				(1 << 4)
+#define OMAP3430_AUTO_GPT3_MASK				(1 << 4)
 #define OMAP3430_AUTO_GPT3_SHIFT			4
-#define OMAP3430_AUTO_GPT2				(1 << 3)
+#define OMAP3430_AUTO_GPT2_MASK				(1 << 3)
 #define OMAP3430_AUTO_GPT2_SHIFT			3
-#define OMAP3430_AUTO_MCBSP4				(1 << 2)
+#define OMAP3430_AUTO_MCBSP4_MASK			(1 << 2)
 #define OMAP3430_AUTO_MCBSP4_SHIFT			2
-#define OMAP3430_AUTO_MCBSP3				(1 << 1)
+#define OMAP3430_AUTO_MCBSP3_MASK			(1 << 1)
 #define OMAP3430_AUTO_MCBSP3_SHIFT			1
-#define OMAP3430_AUTO_MCBSP2				(1 << 0)
+#define OMAP3430_AUTO_MCBSP2_MASK			(1 << 0)
 #define OMAP3430_AUTO_MCBSP2_SHIFT			0
 
 /* CM_CLKSEL_PER */
@@ -705,7 +705,7 @@
 #define OMAP3430_CLKSEL_GPT2_SHIFT			0
 
 /* CM_SLEEPDEP_PER specific bits */
-#define OMAP3430_CM_SLEEPDEP_PER_EN_IVA2		(1 << 2)
+#define OMAP3430_CM_SLEEPDEP_PER_EN_IVA2_MASK		(1 << 2)
 
 /* CM_CLKSTCTRL_PER */
 #define OMAP3430_CLKTRCTRL_PER_SHIFT			0
@@ -755,10 +755,10 @@
 #define OMAP3430_PERIPH_DPLL_EMU_DIV_MASK		(0x7f << 0)
 
 /* CM_POLCTRL */
-#define OMAP3430_CLKOUT2_POL				(1 << 0)
+#define OMAP3430_CLKOUT2_POL_MASK			(1 << 0)
 
 /* CM_IDLEST_NEON */
-#define OMAP3430_ST_NEON				(1 << 0)
+#define OMAP3430_ST_NEON_MASK				(1 << 0)
 
 /* CM_CLKSTCTRL_NEON */
 #define OMAP3430_CLKTRCTRL_NEON_SHIFT			0
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index 43f8a33655d..a8d20eef230 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -194,11 +194,12 @@ void omap3_clear_scratchpad_contents(void)
 	u32 offset = 0;
 	v_addr = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD_ROM);
 	if (prm_read_mod_reg(OMAP3430_GR_MOD, OMAP3_PRM_RSTST_OFFSET) &
-		OMAP3430_GLOBAL_COLD_RST) {
+	    OMAP3430_GLOBAL_COLD_RST_MASK) {
 		for ( ; offset <= max_offset; offset += 0x4)
 			__raw_writel(0x0, (v_addr + offset));
-		prm_set_mod_reg_bits(OMAP3430_GLOBAL_COLD_RST, OMAP3430_GR_MOD,
-			OMAP3_PRM_RSTST_OFFSET);
+		prm_set_mod_reg_bits(OMAP3430_GLOBAL_COLD_RST_MASK,
+				     OMAP3430_GR_MOD,
+				     OMAP3_PRM_RSTST_OFFSET);
 	}
 }
 
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 24c1966f935..dd09d80ea3e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -94,19 +94,20 @@ static void omap3_enable_io_chain(void)
 	int timeout = 0;
 
 	if (omap_rev() >= OMAP3430_REV_ES3_1) {
-		prm_set_mod_reg_bits(OMAP3430_EN_IO_CHAIN, WKUP_MOD, PM_WKEN);
+		prm_set_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD,
+				     PM_WKEN);
 		/* Do a readback to assure write has been done */
 		prm_read_mod_reg(WKUP_MOD, PM_WKEN);
 
 		while (!(prm_read_mod_reg(WKUP_MOD, PM_WKST) &
-			 OMAP3430_ST_IO_CHAIN)) {
+			 OMAP3430_ST_IO_CHAIN_MASK)) {
 			timeout++;
 			if (timeout > 1000) {
 				printk(KERN_ERR "Wake up daisy chain "
 				       "activation failed.\n");
 				return;
 			}
-			prm_set_mod_reg_bits(OMAP3430_ST_IO_CHAIN,
+			prm_set_mod_reg_bits(OMAP3430_ST_IO_CHAIN_MASK,
 					     WKUP_MOD, PM_WKST);
 		}
 	}
@@ -115,7 +116,8 @@ static void omap3_enable_io_chain(void)
 static void omap3_disable_io_chain(void)
 {
 	if (omap_rev() >= OMAP3430_REV_ES3_1)
-		prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN, WKUP_MOD, PM_WKEN);
+		prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD,
+				       PM_WKEN);
 }
 
 static void omap3_core_save_context(void)
@@ -278,7 +280,8 @@ static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id)
 	irqstatus_mpu &= irqenable_mpu;
 
 	do {
-		if (irqstatus_mpu & (OMAP3430_WKUP_ST | OMAP3430_IO_ST)) {
+		if (irqstatus_mpu & (OMAP3430_WKUP_ST_MASK |
+				     OMAP3430_IO_ST_MASK)) {
 			c = _prcm_int_handle_wakeup();
 
 			/*
@@ -384,7 +387,7 @@ void omap_sram_idle(void)
 	core_next_state = pwrdm_read_next_pwrst(core_pwrdm);
 	if (per_next_state < PWRDM_POWER_ON ||
 			core_next_state < PWRDM_POWER_ON) {
-		prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
+		prm_set_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, PM_WKEN);
 		omap3_enable_io_chain();
 	}
 
@@ -458,7 +461,7 @@ void omap_sram_idle(void)
 		omap_uart_resume_idle(0);
 		omap_uart_resume_idle(1);
 		if (core_next_state == PWRDM_POWER_OFF)
-			prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF,
+			prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF_MASK,
 					       OMAP3430_GR_MOD,
 					       OMAP3_PRM_VOLTCTRL_OFFSET);
 	}
@@ -476,9 +479,8 @@ void omap_sram_idle(void)
 	}
 
 	/* Disable IO-PAD and IO-CHAIN wakeup */
-	if (per_next_state < PWRDM_POWER_ON ||
-			core_next_state < PWRDM_POWER_ON) {
-		prm_clear_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
+	if (core_next_state < PWRDM_POWER_ON) {
+		prm_clear_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, PM_WKEN);
 		omap3_disable_io_chain();
 	}
 
@@ -699,9 +701,9 @@ static void __init omap3_iva_idle(void)
 		return;
 
 	/* Reset IVA2 */
-	prm_write_mod_reg(OMAP3430_RST1_IVA2 |
-			  OMAP3430_RST2_IVA2 |
-			  OMAP3430_RST3_IVA2,
+	prm_write_mod_reg(OMAP3430_RST1_IVA2_MASK |
+			  OMAP3430_RST2_IVA2_MASK |
+			  OMAP3430_RST3_IVA2_MASK,
 			  OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
 
 	/* Enable IVA2 clock */
@@ -719,9 +721,9 @@ static void __init omap3_iva_idle(void)
 	cm_write_mod_reg(0, OMAP3430_IVA2_MOD, CM_FCLKEN);
 
 	/* Reset IVA2 */
-	prm_write_mod_reg(OMAP3430_RST1_IVA2 |
-			  OMAP3430_RST2_IVA2 |
-			  OMAP3430_RST3_IVA2,
+	prm_write_mod_reg(OMAP3430_RST1_IVA2_MASK |
+			  OMAP3430_RST2_IVA2_MASK |
+			  OMAP3430_RST3_IVA2_MASK,
 			  OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
 }
 
@@ -743,8 +745,8 @@ static void __init omap3_d2d_idle(void)
 	omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_IDLEACK);
 
 	/* reset modem */
-	prm_write_mod_reg(OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON |
-			  OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST,
+	prm_write_mod_reg(OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON_MASK |
+			  OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST_MASK,
 			  CORE_MOD, OMAP2_RM_RSTCTRL);
 	prm_write_mod_reg(0, CORE_MOD, OMAP2_RM_RSTCTRL);
 }
@@ -770,97 +772,97 @@ static void __init prcm_setup_regs(void)
 	 * Note that in the long run this should be done by clockfw
 	 */
 	cm_write_mod_reg(
-		OMAP3430_AUTO_MODEM |
-		OMAP3430ES2_AUTO_MMC3 |
-		OMAP3430ES2_AUTO_ICR |
-		OMAP3430_AUTO_AES2 |
-		OMAP3430_AUTO_SHA12 |
-		OMAP3430_AUTO_DES2 |
-		OMAP3430_AUTO_MMC2 |
-		OMAP3430_AUTO_MMC1 |
-		OMAP3430_AUTO_MSPRO |
-		OMAP3430_AUTO_HDQ |
-		OMAP3430_AUTO_MCSPI4 |
-		OMAP3430_AUTO_MCSPI3 |
-		OMAP3430_AUTO_MCSPI2 |
-		OMAP3430_AUTO_MCSPI1 |
-		OMAP3430_AUTO_I2C3 |
-		OMAP3430_AUTO_I2C2 |
-		OMAP3430_AUTO_I2C1 |
-		OMAP3430_AUTO_UART2 |
-		OMAP3430_AUTO_UART1 |
-		OMAP3430_AUTO_GPT11 |
-		OMAP3430_AUTO_GPT10 |
-		OMAP3430_AUTO_MCBSP5 |
-		OMAP3430_AUTO_MCBSP1 |
-		OMAP3430ES1_AUTO_FAC | /* This is es1 only */
-		OMAP3430_AUTO_MAILBOXES |
-		OMAP3430_AUTO_OMAPCTRL |
-		OMAP3430ES1_AUTO_FSHOSTUSB |
-		OMAP3430_AUTO_HSOTGUSB |
-		OMAP3430_AUTO_SAD2D |
-		OMAP3430_AUTO_SSI,
+		OMAP3430_AUTO_MODEM_MASK |
+		OMAP3430ES2_AUTO_MMC3_MASK |
+		OMAP3430ES2_AUTO_ICR_MASK |
+		OMAP3430_AUTO_AES2_MASK |
+		OMAP3430_AUTO_SHA12_MASK |
+		OMAP3430_AUTO_DES2_MASK |
+		OMAP3430_AUTO_MMC2_MASK |
+		OMAP3430_AUTO_MMC1_MASK |
+		OMAP3430_AUTO_MSPRO_MASK |
+		OMAP3430_AUTO_HDQ_MASK |
+		OMAP3430_AUTO_MCSPI4_MASK |
+		OMAP3430_AUTO_MCSPI3_MASK |
+		OMAP3430_AUTO_MCSPI2_MASK |
+		OMAP3430_AUTO_MCSPI1_MASK |
+		OMAP3430_AUTO_I2C3_MASK |
+		OMAP3430_AUTO_I2C2_MASK |
+		OMAP3430_AUTO_I2C1_MASK |
+		OMAP3430_AUTO_UART2_MASK |
+		OMAP3430_AUTO_UART1_MASK |
+		OMAP3430_AUTO_GPT11_MASK |
+		OMAP3430_AUTO_GPT10_MASK |
+		OMAP3430_AUTO_MCBSP5_MASK |
+		OMAP3430_AUTO_MCBSP1_MASK |
+		OMAP3430ES1_AUTO_FAC_MASK | /* This is es1 only */
+		OMAP3430_AUTO_MAILBOXES_MASK |
+		OMAP3430_AUTO_OMAPCTRL_MASK |
+		OMAP3430ES1_AUTO_FSHOSTUSB_MASK |
+		OMAP3430_AUTO_HSOTGUSB_MASK |
+		OMAP3430_AUTO_SAD2D_MASK |
+		OMAP3430_AUTO_SSI_MASK,
 		CORE_MOD, CM_AUTOIDLE1);
 
 	cm_write_mod_reg(
-		OMAP3430_AUTO_PKA |
-		OMAP3430_AUTO_AES1 |
-		OMAP3430_AUTO_RNG |
-		OMAP3430_AUTO_SHA11 |
-		OMAP3430_AUTO_DES1,
+		OMAP3430_AUTO_PKA_MASK |
+		OMAP3430_AUTO_AES1_MASK |
+		OMAP3430_AUTO_RNG_MASK |
+		OMAP3430_AUTO_SHA11_MASK |
+		OMAP3430_AUTO_DES1_MASK,
 		CORE_MOD, CM_AUTOIDLE2);
 
 	if (omap_rev() > OMAP3430_REV_ES1_0) {
 		cm_write_mod_reg(
-			OMAP3430_AUTO_MAD2D |
-			OMAP3430ES2_AUTO_USBTLL,
+			OMAP3430_AUTO_MAD2D_MASK |
+			OMAP3430ES2_AUTO_USBTLL_MASK,
 			CORE_MOD, CM_AUTOIDLE3);
 	}
 
 	cm_write_mod_reg(
-		OMAP3430_AUTO_WDT2 |
-		OMAP3430_AUTO_WDT1 |
-		OMAP3430_AUTO_GPIO1 |
-		OMAP3430_AUTO_32KSYNC |
-		OMAP3430_AUTO_GPT12 |
-		OMAP3430_AUTO_GPT1 ,
+		OMAP3430_AUTO_WDT2_MASK |
+		OMAP3430_AUTO_WDT1_MASK |
+		OMAP3430_AUTO_GPIO1_MASK |
+		OMAP3430_AUTO_32KSYNC_MASK |
+		OMAP3430_AUTO_GPT12_MASK |
+		OMAP3430_AUTO_GPT1_MASK,
 		WKUP_MOD, CM_AUTOIDLE);
 
 	cm_write_mod_reg(
-		OMAP3430_AUTO_DSS,
+		OMAP3430_AUTO_DSS_MASK,
 		OMAP3430_DSS_MOD,
 		CM_AUTOIDLE);
 
 	cm_write_mod_reg(
-		OMAP3430_AUTO_CAM,
+		OMAP3430_AUTO_CAM_MASK,
 		OMAP3430_CAM_MOD,
 		CM_AUTOIDLE);
 
 	cm_write_mod_reg(
-		OMAP3430_AUTO_GPIO6 |
-		OMAP3430_AUTO_GPIO5 |
-		OMAP3430_AUTO_GPIO4 |
-		OMAP3430_AUTO_GPIO3 |
-		OMAP3430_AUTO_GPIO2 |
-		OMAP3430_AUTO_WDT3 |
-		OMAP3430_AUTO_UART3 |
-		OMAP3430_AUTO_GPT9 |
-		OMAP3430_AUTO_GPT8 |
-		OMAP3430_AUTO_GPT7 |
-		OMAP3430_AUTO_GPT6 |
-		OMAP3430_AUTO_GPT5 |
-		OMAP3430_AUTO_GPT4 |
-		OMAP3430_AUTO_GPT3 |
-		OMAP3430_AUTO_GPT2 |
-		OMAP3430_AUTO_MCBSP4 |
-		OMAP3430_AUTO_MCBSP3 |
-		OMAP3430_AUTO_MCBSP2,
+		OMAP3430_AUTO_GPIO6_MASK |
+		OMAP3430_AUTO_GPIO5_MASK |
+		OMAP3430_AUTO_GPIO4_MASK |
+		OMAP3430_AUTO_GPIO3_MASK |
+		OMAP3430_AUTO_GPIO2_MASK |
+		OMAP3430_AUTO_WDT3_MASK |
+		OMAP3430_AUTO_UART3_MASK |
+		OMAP3430_AUTO_GPT9_MASK |
+		OMAP3430_AUTO_GPT8_MASK |
+		OMAP3430_AUTO_GPT7_MASK |
+		OMAP3430_AUTO_GPT6_MASK |
+		OMAP3430_AUTO_GPT5_MASK |
+		OMAP3430_AUTO_GPT4_MASK |
+		OMAP3430_AUTO_GPT3_MASK |
+		OMAP3430_AUTO_GPT2_MASK |
+		OMAP3430_AUTO_MCBSP4_MASK |
+		OMAP3430_AUTO_MCBSP3_MASK |
+		OMAP3430_AUTO_MCBSP2_MASK,
 		OMAP3430_PER_MOD,
 		CM_AUTOIDLE);
 
 	if (omap_rev() > OMAP3430_REV_ES1_0) {
 		cm_write_mod_reg(
-			OMAP3430ES2_AUTO_USBHOST,
+			OMAP3430ES2_AUTO_USBHOST_MASK,
 			OMAP3430ES2_USBHOST_MOD,
 			CM_AUTOIDLE);
 	}
@@ -895,7 +897,7 @@ static void __init prcm_setup_regs(void)
 			     OMAP3_PRM_CLKSRC_CTRL_OFFSET);
 
 	/* setup wakup source */
-	prm_write_mod_reg(OMAP3430_EN_IO | OMAP3430_EN_GPIO1 |
+	prm_write_mod_reg(OMAP3430_EN_IO_MASK | OMAP3430_EN_GPIO1 |
 			  OMAP3430_EN_GPT1 | OMAP3430_EN_GPT12,
 			  WKUP_MOD, PM_WKEN);
 	/* No need to write EN_IO, that is always enabled */
@@ -904,11 +906,11 @@ static void __init prcm_setup_regs(void)
 			  WKUP_MOD, OMAP3430_PM_MPUGRPSEL);
 	/* For some reason IO doesn't generate wakeup event even if
 	 * it is selected to mpu wakeup goup */
-	prm_write_mod_reg(OMAP3430_IO_EN | OMAP3430_WKUP_EN,
+	prm_write_mod_reg(OMAP3430_IO_EN_MASK | OMAP3430_WKUP_EN_MASK,
 			  OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET);
 
 	/* Enable PM_WKEN to support DSS LPR */
-	prm_write_mod_reg(OMAP3430_PM_WKEN_DSS_EN_DSS,
+	prm_write_mod_reg(OMAP3430_PM_WKEN_DSS_EN_DSS_MASK,
 				OMAP3430_DSS_MOD, PM_WKEN);
 
 	/* Enable wakeups in PER */
@@ -919,9 +921,9 @@ static void __init prcm_setup_regs(void)
 			  OMAP3430_EN_MCBSP4,
 			  OMAP3430_PER_MOD, PM_WKEN);
 	/* and allow them to wake up MPU */
-	prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2 | OMAP3430_EN_GPIO3 |
-			  OMAP3430_GRPSEL_GPIO4 | OMAP3430_EN_GPIO5 |
-			  OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3 |
+	prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2_MASK | OMAP3430_EN_GPIO3 |
+			  OMAP3430_GRPSEL_GPIO4_MASK | OMAP3430_EN_GPIO5 |
+			  OMAP3430_GRPSEL_GPIO6_MASK | OMAP3430_EN_UART3 |
 			  OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
 			  OMAP3430_EN_MCBSP4,
 			  OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL);
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index ebfce7d1a5d..637fdfe7acd 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -64,10 +64,10 @@ static u16 pwrstst_reg_offs;
 #define OMAP_MEM4_ONSTATE_MASK OMAP4430_OCP_NRET_BANK_ONSTATE_MASK
 
 /* OMAP3 and OMAP4 Memory Retstate Masks (common across all power domains) */
-#define OMAP_MEM0_RETSTATE_MASK OMAP3430_SHAREDL1CACHEFLATRETSTATE
-#define OMAP_MEM1_RETSTATE_MASK OMAP3430_L1FLATMEMRETSTATE
-#define OMAP_MEM2_RETSTATE_MASK OMAP3430_SHAREDL2CACHEFLATRETSTATE
-#define OMAP_MEM3_RETSTATE_MASK OMAP3430_L2FLATMEMRETSTATE
+#define OMAP_MEM0_RETSTATE_MASK OMAP3430_SHAREDL1CACHEFLATRETSTATE_MASK
+#define OMAP_MEM1_RETSTATE_MASK OMAP3430_L1FLATMEMRETSTATE_MASK
+#define OMAP_MEM2_RETSTATE_MASK OMAP3430_SHAREDL2CACHEFLATRETSTATE_MASK
+#define OMAP_MEM3_RETSTATE_MASK OMAP3430_L2FLATMEMRETSTATE_MASK
 #define OMAP_MEM4_RETSTATE_MASK OMAP4430_OCP_NRET_BANK_RETSTATE_MASK
 
 /* OMAP3 and OMAP4 Memory Status bits */
@@ -511,6 +511,8 @@ int pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
  */
 int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
 {
+	u32 v;
+
 	if (!pwrdm)
 		return -EINVAL;
 
@@ -526,9 +528,9 @@ int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
 	 * but the type of value returned is the same for each
 	 * powerdomain.
 	 */
-	prm_rmw_mod_reg_bits(OMAP3430_LOGICL1CACHERETSTATE,
-			     (pwrst << __ffs(OMAP3430_LOGICL1CACHERETSTATE)),
-				 pwrdm->prcm_offs, pwrstctrl_reg_offs);
+	v = pwrst << __ffs(OMAP3430_LOGICL1CACHERETSTATE_MASK);
+	prm_rmw_mod_reg_bits(OMAP3430_LOGICL1CACHERETSTATE_MASK, v,
+			     pwrdm->prcm_offs, pwrstctrl_reg_offs);
 
 	return 0;
 }
@@ -676,8 +678,8 @@ int pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
 	if (!pwrdm)
 		return -EINVAL;
 
-	return prm_read_mod_bits_shift(pwrdm->prcm_offs,
-				 pwrstst_reg_offs, OMAP3430_LOGICSTATEST);
+	return prm_read_mod_bits_shift(pwrdm->prcm_offs, pwrstst_reg_offs,
+				       OMAP3430_LOGICSTATEST_MASK);
 }
 
 /**
@@ -700,7 +702,7 @@ int pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm)
 	 * powerdomain.
 	 */
 	return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST,
-					OMAP3430_LASTLOGICSTATEENTERED);
+					OMAP3430_LASTLOGICSTATEENTERED_MASK);
 }
 
 /**
@@ -723,7 +725,7 @@ int pwrdm_read_logic_retst(struct powerdomain *pwrdm)
 	 * powerdomain.
 	 */
 	return prm_read_mod_bits_shift(pwrdm->prcm_offs, pwrstctrl_reg_offs,
-					OMAP3430_LOGICSTATEST);
+				       OMAP3430_LOGICSTATEST_MASK);
 }
 
 /**
diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h
index 8f21bae6dc1..7fd6023edf9 100644
--- a/arch/arm/mach-omap2/prm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-34xx.h
@@ -35,10 +35,10 @@
 #define OMAP3430_ERRORGAIN_MASK				(0xff << 16)
 #define OMAP3430_INITVOLTAGE_SHIFT			8
 #define OMAP3430_INITVOLTAGE_MASK			(0xff << 8)
-#define OMAP3430_TIMEOUTEN				(1 << 3)
-#define OMAP3430_INITVDD				(1 << 2)
-#define OMAP3430_FORCEUPDATE				(1 << 1)
-#define OMAP3430_VPENABLE				(1 << 0)
+#define OMAP3430_TIMEOUTEN_MASK				(1 << 3)
+#define OMAP3430_INITVDD_MASK				(1 << 2)
+#define OMAP3430_FORCEUPDATE_MASK			(1 << 1)
+#define OMAP3430_VPENABLE_MASK				(1 << 0)
 
 /* PRM_VP1_VSTEPMIN, PRM_VP2_VSTEPMIN shared bits */
 #define OMAP3430_SMPSWAITTIMEMIN_SHIFT			8
@@ -65,53 +65,53 @@
 #define OMAP3430_VPVOLTAGE_MASK				(0xff << 0)
 
 /* PRM_VP1_STATUS, PRM_VP2_STATUS shared bits */
-#define OMAP3430_VPINIDLE				(1 << 0)
+#define OMAP3430_VPINIDLE_MASK				(1 << 0)
 
 /* PM_WKDEP_IVA2, PM_WKDEP_MPU shared bits */
 #define OMAP3430_EN_PER_SHIFT				7
 #define OMAP3430_EN_PER_MASK				(1 << 7)
 
 /* PM_PWSTCTRL_IVA2, PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE shared bits */
-#define OMAP3430_MEMORYCHANGE				(1 << 3)
+#define OMAP3430_MEMORYCHANGE_MASK			(1 << 3)
 
 /* PM_PWSTST_IVA2, PM_PWSTST_CORE shared bits */
-#define OMAP3430_LOGICSTATEST				(1 << 2)
+#define OMAP3430_LOGICSTATEST_MASK			(1 << 2)
 
 /* PM_PREPWSTST_IVA2, PM_PREPWSTST_CORE shared bits */
-#define OMAP3430_LASTLOGICSTATEENTERED			(1 << 2)
+#define OMAP3430_LASTLOGICSTATEENTERED_MASK		(1 << 2)
 
 /*
  * PM_PREPWSTST_IVA2, PM_PREPWSTST_MPU, PM_PREPWSTST_CORE,
  * PM_PREPWSTST_GFX, PM_PREPWSTST_DSS, PM_PREPWSTST_CAM,
  * PM_PREPWSTST_PER, PM_PREPWSTST_NEON shared bits
  */
-#define OMAP3430_LASTPOWERSTATEENTERED_SHIFT			0
-#define OMAP3430_LASTPOWERSTATEENTERED_MASK			(0x3 << 0)
+#define OMAP3430_LASTPOWERSTATEENTERED_SHIFT		0
+#define OMAP3430_LASTPOWERSTATEENTERED_MASK		(0x3 << 0)
 
 /* PRM_IRQSTATUS_IVA2, PRM_IRQSTATUS_MPU shared bits */
-#define OMAP3430_WKUP_ST				(1 << 0)
+#define OMAP3430_WKUP_ST_MASK				(1 << 0)
 
 /* PRM_IRQENABLE_IVA2, PRM_IRQENABLE_MPU shared bits */
-#define OMAP3430_WKUP_EN					(1 << 0)
+#define OMAP3430_WKUP_EN_MASK				(1 << 0)
 
 /* PM_MPUGRPSEL1_CORE, PM_IVA2GRPSEL1_CORE shared bits */
-#define OMAP3430_GRPSEL_MMC2				(1 << 25)
-#define OMAP3430_GRPSEL_MMC1				(1 << 24)
-#define OMAP3430_GRPSEL_MCSPI4				(1 << 21)
-#define OMAP3430_GRPSEL_MCSPI3				(1 << 20)
-#define OMAP3430_GRPSEL_MCSPI2				(1 << 19)
-#define OMAP3430_GRPSEL_MCSPI1				(1 << 18)
-#define OMAP3430_GRPSEL_I2C3				(1 << 17)
-#define OMAP3430_GRPSEL_I2C2				(1 << 16)
-#define OMAP3430_GRPSEL_I2C1				(1 << 15)
-#define OMAP3430_GRPSEL_UART2				(1 << 14)
-#define OMAP3430_GRPSEL_UART1				(1 << 13)
-#define OMAP3430_GRPSEL_GPT11				(1 << 12)
-#define OMAP3430_GRPSEL_GPT10				(1 << 11)
-#define OMAP3430_GRPSEL_MCBSP5				(1 << 10)
-#define OMAP3430_GRPSEL_MCBSP1				(1 << 9)
-#define OMAP3430_GRPSEL_HSOTGUSB			(1 << 4)
-#define OMAP3430_GRPSEL_D2D				(1 << 3)
+#define OMAP3430_GRPSEL_MMC2_MASK			(1 << 25)
+#define OMAP3430_GRPSEL_MMC1_MASK			(1 << 24)
+#define OMAP3430_GRPSEL_MCSPI4_MASK			(1 << 21)
+#define OMAP3430_GRPSEL_MCSPI3_MASK			(1 << 20)
+#define OMAP3430_GRPSEL_MCSPI2_MASK			(1 << 19)
+#define OMAP3430_GRPSEL_MCSPI1_MASK			(1 << 18)
+#define OMAP3430_GRPSEL_I2C3_MASK			(1 << 17)
+#define OMAP3430_GRPSEL_I2C2_MASK			(1 << 16)
+#define OMAP3430_GRPSEL_I2C1_MASK			(1 << 15)
+#define OMAP3430_GRPSEL_UART2_MASK			(1 << 14)
+#define OMAP3430_GRPSEL_UART1_MASK			(1 << 13)
+#define OMAP3430_GRPSEL_GPT11_MASK			(1 << 12)
+#define OMAP3430_GRPSEL_GPT10_MASK			(1 << 11)
+#define OMAP3430_GRPSEL_MCBSP5_MASK			(1 << 10)
+#define OMAP3430_GRPSEL_MCBSP1_MASK			(1 << 9)
+#define OMAP3430_GRPSEL_HSOTGUSB_MASK			(1 << 4)
+#define OMAP3430_GRPSEL_D2D_MASK			(1 << 3)
 
 /*
  * PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM,
@@ -119,49 +119,49 @@
  */
 #define OMAP3430_MEMONSTATE_SHIFT			16
 #define OMAP3430_MEMONSTATE_MASK			(0x3 << 16)
-#define OMAP3430_MEMRETSTATE				(1 << 8)
+#define OMAP3430_MEMRETSTATE_MASK			(1 << 8)
 
 /* PM_MPUGRPSEL_PER, PM_IVA2GRPSEL_PER shared bits */
-#define OMAP3430_GRPSEL_GPIO6				(1 << 17)
-#define OMAP3430_GRPSEL_GPIO5				(1 << 16)
-#define OMAP3430_GRPSEL_GPIO4				(1 << 15)
-#define OMAP3430_GRPSEL_GPIO3				(1 << 14)
-#define OMAP3430_GRPSEL_GPIO2				(1 << 13)
-#define OMAP3430_GRPSEL_UART3				(1 << 11)
-#define OMAP3430_GRPSEL_GPT9				(1 << 10)
-#define OMAP3430_GRPSEL_GPT8				(1 << 9)
-#define OMAP3430_GRPSEL_GPT7				(1 << 8)
-#define OMAP3430_GRPSEL_GPT6				(1 << 7)
-#define OMAP3430_GRPSEL_GPT5				(1 << 6)
-#define OMAP3430_GRPSEL_GPT4				(1 << 5)
-#define OMAP3430_GRPSEL_GPT3				(1 << 4)
-#define OMAP3430_GRPSEL_GPT2				(1 << 3)
-#define OMAP3430_GRPSEL_MCBSP4				(1 << 2)
-#define OMAP3430_GRPSEL_MCBSP3				(1 << 1)
-#define OMAP3430_GRPSEL_MCBSP2				(1 << 0)
+#define OMAP3430_GRPSEL_GPIO6_MASK			(1 << 17)
+#define OMAP3430_GRPSEL_GPIO5_MASK			(1 << 16)
+#define OMAP3430_GRPSEL_GPIO4_MASK			(1 << 15)
+#define OMAP3430_GRPSEL_GPIO3_MASK			(1 << 14)
+#define OMAP3430_GRPSEL_GPIO2_MASK			(1 << 13)
+#define OMAP3430_GRPSEL_UART3_MASK			(1 << 11)
+#define OMAP3430_GRPSEL_GPT9_MASK			(1 << 10)
+#define OMAP3430_GRPSEL_GPT8_MASK			(1 << 9)
+#define OMAP3430_GRPSEL_GPT7_MASK			(1 << 8)
+#define OMAP3430_GRPSEL_GPT6_MASK			(1 << 7)
+#define OMAP3430_GRPSEL_GPT5_MASK			(1 << 6)
+#define OMAP3430_GRPSEL_GPT4_MASK			(1 << 5)
+#define OMAP3430_GRPSEL_GPT3_MASK			(1 << 4)
+#define OMAP3430_GRPSEL_GPT2_MASK			(1 << 3)
+#define OMAP3430_GRPSEL_MCBSP4_MASK			(1 << 2)
+#define OMAP3430_GRPSEL_MCBSP3_MASK			(1 << 1)
+#define OMAP3430_GRPSEL_MCBSP2_MASK			(1 << 0)
 
 /* PM_MPUGRPSEL_WKUP, PM_IVA2GRPSEL_WKUP shared bits */
-#define OMAP3430_GRPSEL_IO				(1 << 8)
-#define OMAP3430_GRPSEL_SR2				(1 << 7)
-#define OMAP3430_GRPSEL_SR1				(1 << 6)
-#define OMAP3430_GRPSEL_GPIO1				(1 << 3)
-#define OMAP3430_GRPSEL_GPT12				(1 << 1)
-#define OMAP3430_GRPSEL_GPT1				(1 << 0)
+#define OMAP3430_GRPSEL_IO_MASK				(1 << 8)
+#define OMAP3430_GRPSEL_SR2_MASK			(1 << 7)
+#define OMAP3430_GRPSEL_SR1_MASK			(1 << 6)
+#define OMAP3430_GRPSEL_GPIO1_MASK			(1 << 3)
+#define OMAP3430_GRPSEL_GPT12_MASK			(1 << 1)
+#define OMAP3430_GRPSEL_GPT1_MASK			(1 << 0)
 
 /* Bits specific to each register */
 
 /* RM_RSTCTRL_IVA2 */
-#define OMAP3430_RST3_IVA2				(1 << 2)
-#define OMAP3430_RST2_IVA2				(1 << 1)
-#define OMAP3430_RST1_IVA2				(1 << 0)
+#define OMAP3430_RST3_IVA2_MASK				(1 << 2)
+#define OMAP3430_RST2_IVA2_MASK				(1 << 1)
+#define OMAP3430_RST1_IVA2_MASK				(1 << 0)
 
 /* RM_RSTST_IVA2 specific bits */
-#define OMAP3430_EMULATION_VSEQ_RST			(1 << 13)
-#define OMAP3430_EMULATION_VHWA_RST			(1 << 12)
-#define OMAP3430_EMULATION_IVA2_RST			(1 << 11)
-#define OMAP3430_IVA2_SW_RST3				(1 << 10)
-#define OMAP3430_IVA2_SW_RST2				(1 << 9)
-#define OMAP3430_IVA2_SW_RST1				(1 << 8)
+#define OMAP3430_EMULATION_VSEQ_RST_MASK		(1 << 13)
+#define OMAP3430_EMULATION_VHWA_RST_MASK		(1 << 12)
+#define OMAP3430_EMULATION_IVA2_RST_MASK		(1 << 11)
+#define OMAP3430_IVA2_SW_RST3_MASK			(1 << 10)
+#define OMAP3430_IVA2_SW_RST2_MASK			(1 << 9)
+#define OMAP3430_IVA2_SW_RST1_MASK			(1 << 8)
 
 /* PM_WKDEP_IVA2 specific bits */
 
@@ -174,10 +174,10 @@
 #define OMAP3430_L1FLATMEMONSTATE_MASK			(0x3 << 18)
 #define OMAP3430_SHAREDL1CACHEFLATONSTATE_SHIFT		16
 #define OMAP3430_SHAREDL1CACHEFLATONSTATE_MASK		(0x3 << 16)
-#define OMAP3430_L2FLATMEMRETSTATE			(1 << 11)
-#define OMAP3430_SHAREDL2CACHEFLATRETSTATE		(1 << 10)
-#define OMAP3430_L1FLATMEMRETSTATE			(1 << 9)
-#define OMAP3430_SHAREDL1CACHEFLATRETSTATE		(1 << 8)
+#define OMAP3430_L2FLATMEMRETSTATE_MASK			(1 << 11)
+#define OMAP3430_SHAREDL2CACHEFLATRETSTATE_MASK		(1 << 10)
+#define OMAP3430_L1FLATMEMRETSTATE_MASK			(1 << 9)
+#define OMAP3430_SHAREDL1CACHEFLATRETSTATE_MASK		(1 << 8)
 
 /* PM_PWSTST_IVA2 specific bits */
 #define OMAP3430_L2FLATMEMSTATEST_SHIFT			10
@@ -200,12 +200,12 @@
 #define OMAP3430_LASTSHAREDL1CACHEFLATSTATEENTERED_MASK		(0x3 << 4)
 
 /* PRM_IRQSTATUS_IVA2 specific bits */
-#define OMAP3430_PRM_IRQSTATUS_IVA2_IVA2_DPLL_ST	(1 << 2)
-#define OMAP3430_FORCEWKUP_ST				(1 << 1)
+#define OMAP3430_PRM_IRQSTATUS_IVA2_IVA2_DPLL_ST_MASK	(1 << 2)
+#define OMAP3430_FORCEWKUP_ST_MASK			(1 << 1)
 
 /* PRM_IRQENABLE_IVA2 specific bits */
-#define OMAP3430_PRM_IRQENABLE_IVA2_IVA2_DPLL_RECAL_EN		(1 << 2)
-#define OMAP3430_FORCEWKUP_EN					(1 << 1)
+#define OMAP3430_PRM_IRQENABLE_IVA2_IVA2_DPLL_RECAL_EN_MASK	(1 << 2)
+#define OMAP3430_FORCEWKUP_EN_MASK				(1 << 1)
 
 /* PRM_REVISION specific bits */
 
@@ -213,70 +213,70 @@
 
 /* PRM_IRQSTATUS_MPU specific bits */
 #define OMAP3430ES2_SND_PERIPH_DPLL_ST_SHIFT		25
-#define OMAP3430ES2_SND_PERIPH_DPLL_ST			(1 << 25)
-#define OMAP3430_VC_TIMEOUTERR_ST			(1 << 24)
-#define OMAP3430_VC_RAERR_ST				(1 << 23)
-#define OMAP3430_VC_SAERR_ST				(1 << 22)
-#define OMAP3430_VP2_TRANXDONE_ST			(1 << 21)
-#define OMAP3430_VP2_EQVALUE_ST				(1 << 20)
-#define OMAP3430_VP2_NOSMPSACK_ST			(1 << 19)
-#define OMAP3430_VP2_MAXVDD_ST				(1 << 18)
-#define OMAP3430_VP2_MINVDD_ST				(1 << 17)
-#define OMAP3430_VP2_OPPCHANGEDONE_ST			(1 << 16)
-#define OMAP3430_VP1_TRANXDONE_ST			(1 << 15)
-#define OMAP3430_VP1_EQVALUE_ST				(1 << 14)
-#define OMAP3430_VP1_NOSMPSACK_ST			(1 << 13)
-#define OMAP3430_VP1_MAXVDD_ST				(1 << 12)
-#define OMAP3430_VP1_MINVDD_ST				(1 << 11)
-#define OMAP3430_VP1_OPPCHANGEDONE_ST			(1 << 10)
-#define OMAP3430_IO_ST					(1 << 9)
-#define OMAP3430_PRM_IRQSTATUS_MPU_IVA2_DPLL_ST		(1 << 8)
+#define OMAP3430ES2_SND_PERIPH_DPLL_ST_MASK		(1 << 25)
+#define OMAP3430_VC_TIMEOUTERR_ST_MASK			(1 << 24)
+#define OMAP3430_VC_RAERR_ST_MASK			(1 << 23)
+#define OMAP3430_VC_SAERR_ST_MASK			(1 << 22)
+#define OMAP3430_VP2_TRANXDONE_ST_MASK			(1 << 21)
+#define OMAP3430_VP2_EQVALUE_ST_MASK			(1 << 20)
+#define OMAP3430_VP2_NOSMPSACK_ST_MASK			(1 << 19)
+#define OMAP3430_VP2_MAXVDD_ST_MASK			(1 << 18)
+#define OMAP3430_VP2_MINVDD_ST_MASK			(1 << 17)
+#define OMAP3430_VP2_OPPCHANGEDONE_ST_MASK		(1 << 16)
+#define OMAP3430_VP1_TRANXDONE_ST_MASK			(1 << 15)
+#define OMAP3430_VP1_EQVALUE_ST_MASK			(1 << 14)
+#define OMAP3430_VP1_NOSMPSACK_ST_MASK			(1 << 13)
+#define OMAP3430_VP1_MAXVDD_ST_MASK			(1 << 12)
+#define OMAP3430_VP1_MINVDD_ST_MASK			(1 << 11)
+#define OMAP3430_VP1_OPPCHANGEDONE_ST_MASK		(1 << 10)
+#define OMAP3430_IO_ST_MASK				(1 << 9)
+#define OMAP3430_PRM_IRQSTATUS_MPU_IVA2_DPLL_ST_MASK	(1 << 8)
 #define OMAP3430_PRM_IRQSTATUS_MPU_IVA2_DPLL_ST_SHIFT	8
-#define OMAP3430_MPU_DPLL_ST				(1 << 7)
+#define OMAP3430_MPU_DPLL_ST_MASK			(1 << 7)
 #define OMAP3430_MPU_DPLL_ST_SHIFT			7
-#define OMAP3430_PERIPH_DPLL_ST				(1 << 6)
+#define OMAP3430_PERIPH_DPLL_ST_MASK			(1 << 6)
 #define OMAP3430_PERIPH_DPLL_ST_SHIFT			6
-#define OMAP3430_CORE_DPLL_ST				(1 << 5)
+#define OMAP3430_CORE_DPLL_ST_MASK			(1 << 5)
 #define OMAP3430_CORE_DPLL_ST_SHIFT			5
-#define OMAP3430_TRANSITION_ST				(1 << 4)
-#define OMAP3430_EVGENOFF_ST				(1 << 3)
-#define OMAP3430_EVGENON_ST				(1 << 2)
-#define OMAP3430_FS_USB_WKUP_ST				(1 << 1)
+#define OMAP3430_TRANSITION_ST_MASK			(1 << 4)
+#define OMAP3430_EVGENOFF_ST_MASK			(1 << 3)
+#define OMAP3430_EVGENON_ST_MASK			(1 << 2)
+#define OMAP3430_FS_USB_WKUP_ST_MASK			(1 << 1)
 
 /* PRM_IRQENABLE_MPU specific bits */
 #define OMAP3430ES2_SND_PERIPH_DPLL_RECAL_EN_SHIFT		25
-#define OMAP3430ES2_SND_PERIPH_DPLL_RECAL_EN			(1 << 25)
-#define OMAP3430_VC_TIMEOUTERR_EN				(1 << 24)
-#define OMAP3430_VC_RAERR_EN					(1 << 23)
-#define OMAP3430_VC_SAERR_EN					(1 << 22)
-#define OMAP3430_VP2_TRANXDONE_EN				(1 << 21)
-#define OMAP3430_VP2_EQVALUE_EN					(1 << 20)
-#define OMAP3430_VP2_NOSMPSACK_EN				(1 << 19)
-#define OMAP3430_VP2_MAXVDD_EN					(1 << 18)
-#define OMAP3430_VP2_MINVDD_EN					(1 << 17)
-#define OMAP3430_VP2_OPPCHANGEDONE_EN				(1 << 16)
-#define OMAP3430_VP1_TRANXDONE_EN				(1 << 15)
-#define OMAP3430_VP1_EQVALUE_EN					(1 << 14)
-#define OMAP3430_VP1_NOSMPSACK_EN				(1 << 13)
-#define OMAP3430_VP1_MAXVDD_EN					(1 << 12)
-#define OMAP3430_VP1_MINVDD_EN					(1 << 11)
-#define OMAP3430_VP1_OPPCHANGEDONE_EN				(1 << 10)
-#define OMAP3430_IO_EN						(1 << 9)
-#define OMAP3430_PRM_IRQENABLE_MPU_IVA2_DPLL_RECAL_EN		(1 << 8)
+#define OMAP3430ES2_SND_PERIPH_DPLL_RECAL_EN_MASK		(1 << 25)
+#define OMAP3430_VC_TIMEOUTERR_EN_MASK				(1 << 24)
+#define OMAP3430_VC_RAERR_EN_MASK				(1 << 23)
+#define OMAP3430_VC_SAERR_EN_MASK				(1 << 22)
+#define OMAP3430_VP2_TRANXDONE_EN_MASK				(1 << 21)
+#define OMAP3430_VP2_EQVALUE_EN_MASK				(1 << 20)
+#define OMAP3430_VP2_NOSMPSACK_EN_MASK				(1 << 19)
+#define OMAP3430_VP2_MAXVDD_EN_MASK				(1 << 18)
+#define OMAP3430_VP2_MINVDD_EN_MASK				(1 << 17)
+#define OMAP3430_VP2_OPPCHANGEDONE_EN_MASK			(1 << 16)
+#define OMAP3430_VP1_TRANXDONE_EN_MASK				(1 << 15)
+#define OMAP3430_VP1_EQVALUE_EN_MASK				(1 << 14)
+#define OMAP3430_VP1_NOSMPSACK_EN_MASK				(1 << 13)
+#define OMAP3430_VP1_MAXVDD_EN_MASK				(1 << 12)
+#define OMAP3430_VP1_MINVDD_EN_MASK				(1 << 11)
+#define OMAP3430_VP1_OPPCHANGEDONE_EN_MASK			(1 << 10)
+#define OMAP3430_IO_EN_MASK					(1 << 9)
+#define OMAP3430_PRM_IRQENABLE_MPU_IVA2_DPLL_RECAL_EN_MASK	(1 << 8)
 #define OMAP3430_PRM_IRQENABLE_MPU_IVA2_DPLL_RECAL_EN_SHIFT	8
-#define OMAP3430_MPU_DPLL_RECAL_EN				(1 << 7)
+#define OMAP3430_MPU_DPLL_RECAL_EN_MASK				(1 << 7)
 #define OMAP3430_MPU_DPLL_RECAL_EN_SHIFT			7
-#define OMAP3430_PERIPH_DPLL_RECAL_EN				(1 << 6)
+#define OMAP3430_PERIPH_DPLL_RECAL_EN_MASK			(1 << 6)
 #define OMAP3430_PERIPH_DPLL_RECAL_EN_SHIFT			6
-#define OMAP3430_CORE_DPLL_RECAL_EN				(1 << 5)
+#define OMAP3430_CORE_DPLL_RECAL_EN_MASK			(1 << 5)
 #define OMAP3430_CORE_DPLL_RECAL_EN_SHIFT			5
-#define OMAP3430_TRANSITION_EN					(1 << 4)
-#define OMAP3430_EVGENOFF_EN					(1 << 3)
-#define OMAP3430_EVGENON_EN					(1 << 2)
-#define OMAP3430_FS_USB_WKUP_EN					(1 << 1)
+#define OMAP3430_TRANSITION_EN_MASK				(1 << 4)
+#define OMAP3430_EVGENOFF_EN_MASK				(1 << 3)
+#define OMAP3430_EVGENON_EN_MASK				(1 << 2)
+#define OMAP3430_FS_USB_WKUP_EN_MASK				(1 << 1)
 
 /* RM_RSTST_MPU specific bits */
-#define OMAP3430_EMULATION_MPU_RST			(1 << 11)
+#define OMAP3430_EMULATION_MPU_RST_MASK			(1 << 11)
 
 /* PM_WKDEP_MPU specific bits */
 #define OMAP3430_PM_WKDEP_MPU_EN_DSS_SHIFT		5
@@ -289,7 +289,7 @@
 #define OMAP3430_OFFLOADMODE_MASK			(0x3 << 3)
 #define OMAP3430_ONLOADMODE_SHIFT			1
 #define OMAP3430_ONLOADMODE_MASK			(0x3 << 1)
-#define OMAP3430_ENABLE					(1 << 0)
+#define OMAP3430_ENABLE_MASK				(1 << 0)
 
 /* PM_EVGENONTIM_MPU */
 #define OMAP3430_ONTIMEVAL_SHIFT			0
@@ -302,32 +302,32 @@
 /* PM_PWSTCTRL_MPU specific bits */
 #define OMAP3430_L2CACHEONSTATE_SHIFT			16
 #define OMAP3430_L2CACHEONSTATE_MASK			(0x3 << 16)
-#define OMAP3430_L2CACHERETSTATE			(1 << 8)
-#define OMAP3430_LOGICL1CACHERETSTATE			(1 << 2)
+#define OMAP3430_L2CACHERETSTATE_MASK			(1 << 8)
+#define OMAP3430_LOGICL1CACHERETSTATE_MASK		(1 << 2)
 
 /* PM_PWSTST_MPU specific bits */
 #define OMAP3430_L2CACHESTATEST_SHIFT			6
 #define OMAP3430_L2CACHESTATEST_MASK			(0x3 << 6)
-#define OMAP3430_LOGICL1CACHESTATEST			(1 << 2)
+#define OMAP3430_LOGICL1CACHESTATEST_MASK		(1 << 2)
 
 /* PM_PREPWSTST_MPU specific bits */
 #define OMAP3430_LASTL2CACHESTATEENTERED_SHIFT		6
 #define OMAP3430_LASTL2CACHESTATEENTERED_MASK		(0x3 << 6)
-#define OMAP3430_LASTLOGICL1CACHESTATEENTERED		(1 << 2)
+#define OMAP3430_LASTLOGICL1CACHESTATEENTERED_MASK	(1 << 2)
 
 /* RM_RSTCTRL_CORE */
-#define OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON		(1 << 1)
-#define OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST			(1 << 0)
+#define OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON_MASK		(1 << 1)
+#define OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST_MASK		(1 << 0)
 
 /* RM_RSTST_CORE specific bits */
-#define OMAP3430_MODEM_SECURITY_VIOL_RST		(1 << 10)
-#define OMAP3430_RM_RSTST_CORE_MODEM_SW_RSTPWRON	(1 << 9)
-#define OMAP3430_RM_RSTST_CORE_MODEM_SW_RST		(1 << 8)
+#define OMAP3430_MODEM_SECURITY_VIOL_RST_MASK		(1 << 10)
+#define OMAP3430_RM_RSTST_CORE_MODEM_SW_RSTPWRON_MASK	(1 << 9)
+#define OMAP3430_RM_RSTST_CORE_MODEM_SW_RST_MASK	(1 << 8)
 
 /* PM_WKEN1_CORE specific bits */
 
 /* PM_MPUGRPSEL1_CORE specific bits */
-#define OMAP3430_GRPSEL_FSHOSTUSB			(1 << 5)
+#define OMAP3430_GRPSEL_FSHOSTUSB_MASK			(1 << 5)
 
 /* PM_IVA2GRPSEL1_CORE specific bits */
 
@@ -338,8 +338,8 @@
 #define OMAP3430_MEM2ONSTATE_MASK			(0x3 << 18)
 #define OMAP3430_MEM1ONSTATE_SHIFT			16
 #define OMAP3430_MEM1ONSTATE_MASK			(0x3 << 16)
-#define OMAP3430_MEM2RETSTATE				(1 << 9)
-#define OMAP3430_MEM1RETSTATE				(1 << 8)
+#define OMAP3430_MEM2RETSTATE_MASK			(1 << 9)
+#define OMAP3430_MEM1RETSTATE_MASK			(1 << 8)
 
 /* PM_PWSTST_CORE specific bits */
 #define OMAP3430_MEM2STATEST_SHIFT			6
@@ -356,7 +356,7 @@
 /* RM_RSTST_GFX specific bits */
 
 /* PM_WKDEP_GFX specific bits */
-#define OMAP3430_PM_WKDEP_GFX_EN_IVA2			(1 << 2)
+#define OMAP3430_PM_WKDEP_GFX_EN_IVA2_MASK		(1 << 2)
 
 /* PM_PWSTCTRL_GFX specific bits */
 
@@ -365,33 +365,33 @@
 /* PM_PREPWSTST_GFX specific bits */
 
 /* PM_WKEN_WKUP specific bits */
-#define OMAP3430_EN_IO_CHAIN				(1 << 16)
-#define OMAP3430_EN_IO					(1 << 8)
-#define OMAP3430_EN_GPIO1				(1 << 3)
+#define OMAP3430_EN_IO_CHAIN_MASK			(1 << 16)
+#define OMAP3430_EN_IO_MASK				(1 << 8)
+#define OMAP3430_EN_GPIO1_MASK				(1 << 3)
 
 /* PM_MPUGRPSEL_WKUP specific bits */
 
 /* PM_IVA2GRPSEL_WKUP specific bits */
 
 /* PM_WKST_WKUP specific bits */
-#define OMAP3430_ST_IO_CHAIN				(1 << 16)
-#define OMAP3430_ST_IO					(1 << 8)
+#define OMAP3430_ST_IO_CHAIN_MASK			(1 << 16)
+#define OMAP3430_ST_IO_MASK				(1 << 8)
 
 /* PRM_CLKSEL */
 #define OMAP3430_SYS_CLKIN_SEL_SHIFT			0
 #define OMAP3430_SYS_CLKIN_SEL_MASK			(0x7 << 0)
 
 /* PRM_CLKOUT_CTRL */
-#define OMAP3430_CLKOUT_EN				(1 << 7)
+#define OMAP3430_CLKOUT_EN_MASK				(1 << 7)
 #define OMAP3430_CLKOUT_EN_SHIFT			7
 
 /* RM_RSTST_DSS specific bits */
 
 /* PM_WKEN_DSS */
-#define OMAP3430_PM_WKEN_DSS_EN_DSS			(1 << 0)
+#define OMAP3430_PM_WKEN_DSS_EN_DSS_MASK		(1 << 0)
 
 /* PM_WKDEP_DSS specific bits */
-#define OMAP3430_PM_WKDEP_DSS_EN_IVA2			(1 << 2)
+#define OMAP3430_PM_WKDEP_DSS_EN_IVA2_MASK		(1 << 2)
 
 /* PM_PWSTCTRL_DSS specific bits */
 
@@ -402,7 +402,7 @@
 /* RM_RSTST_CAM specific bits */
 
 /* PM_WKDEP_CAM specific bits */
-#define OMAP3430_PM_WKDEP_CAM_EN_IVA2			(1 << 2)
+#define OMAP3430_PM_WKDEP_CAM_EN_IVA2_MASK		(1 << 2)
 
 /* PM_PWSTCTRL_CAM specific bits */
 
@@ -424,7 +424,7 @@
 /* PM_WKST_PER specific bits */
 
 /* PM_WKDEP_PER specific bits */
-#define OMAP3430_PM_WKDEP_PER_EN_IVA2			(1 << 2)
+#define OMAP3430_PM_WKDEP_PER_EN_IVA2_MASK		(1 << 2)
 
 /* PM_PWSTCTRL_PER specific bits */
 
@@ -467,26 +467,26 @@
 /* PRM_VC_CMD_VAL_1 specific bits */
 
 /* PRM_VC_CH_CONF */
-#define OMAP3430_CMD1					(1 << 20)
-#define OMAP3430_RACEN1					(1 << 19)
-#define OMAP3430_RAC1					(1 << 18)
-#define OMAP3430_RAV1					(1 << 17)
-#define OMAP3430_PRM_VC_CH_CONF_SA1			(1 << 16)
-#define OMAP3430_CMD0					(1 << 4)
-#define OMAP3430_RACEN0					(1 << 3)
-#define OMAP3430_RAC0					(1 << 2)
-#define OMAP3430_RAV0					(1 << 1)
-#define OMAP3430_PRM_VC_CH_CONF_SA0			(1 << 0)
+#define OMAP3430_CMD1_MASK				(1 << 20)
+#define OMAP3430_RACEN1_MASK				(1 << 19)
+#define OMAP3430_RAC1_MASK				(1 << 18)
+#define OMAP3430_RAV1_MASK				(1 << 17)
+#define OMAP3430_PRM_VC_CH_CONF_SA1_MASK		(1 << 16)
+#define OMAP3430_CMD0_MASK				(1 << 4)
+#define OMAP3430_RACEN0_MASK				(1 << 3)
+#define OMAP3430_RAC0_MASK				(1 << 2)
+#define OMAP3430_RAV0_MASK				(1 << 1)
+#define OMAP3430_PRM_VC_CH_CONF_SA0_MASK		(1 << 0)
 
 /* PRM_VC_I2C_CFG */
-#define OMAP3430_HSMASTER				(1 << 5)
-#define OMAP3430_SREN					(1 << 4)
-#define OMAP3430_HSEN					(1 << 3)
+#define OMAP3430_HSMASTER_MASK				(1 << 5)
+#define OMAP3430_SREN_MASK				(1 << 4)
+#define OMAP3430_HSEN_MASK				(1 << 3)
 #define OMAP3430_MCODE_SHIFT				0
 #define OMAP3430_MCODE_MASK				(0x7 << 0)
 
 /* PRM_VC_BYPASS_VAL */
-#define OMAP3430_VALID					(1 << 24)
+#define OMAP3430_VALID_MASK				(1 << 24)
 #define OMAP3430_DATA_SHIFT				16
 #define OMAP3430_DATA_MASK				(0xff << 16)
 #define OMAP3430_REGADDR_SHIFT				8
@@ -495,8 +495,8 @@
 #define OMAP3430_SLAVEADDR_MASK				(0x7f << 0)
 
 /* PRM_RSTCTRL */
-#define OMAP3430_RST_DPLL3				(1 << 2)
-#define OMAP3430_RST_GS					(1 << 1)
+#define OMAP3430_RST_DPLL3_MASK				(1 << 2)
+#define OMAP3430_RST_GS_MASK				(1 << 1)
 
 /* PRM_RSTTIME */
 #define OMAP3430_RSTTIME2_SHIFT				8
@@ -505,23 +505,23 @@
 #define OMAP3430_RSTTIME1_MASK				(0xff << 0)
 
 /* PRM_RSTST */
-#define OMAP3430_ICECRUSHER_RST				(1 << 10)
-#define OMAP3430_ICEPICK_RST				(1 << 9)
-#define OMAP3430_VDD2_VOLTAGE_MANAGER_RST		(1 << 8)
-#define OMAP3430_VDD1_VOLTAGE_MANAGER_RST		(1 << 7)
-#define OMAP3430_EXTERNAL_WARM_RST			(1 << 6)
-#define OMAP3430_SECURE_WD_RST				(1 << 5)
-#define OMAP3430_MPU_WD_RST				(1 << 4)
-#define OMAP3430_SECURITY_VIOL_RST			(1 << 3)
-#define OMAP3430_GLOBAL_SW_RST				(1 << 1)
-#define OMAP3430_GLOBAL_COLD_RST			(1 << 0)
+#define OMAP3430_ICECRUSHER_RST_MASK			(1 << 10)
+#define OMAP3430_ICEPICK_RST_MASK			(1 << 9)
+#define OMAP3430_VDD2_VOLTAGE_MANAGER_RST_MASK		(1 << 8)
+#define OMAP3430_VDD1_VOLTAGE_MANAGER_RST_MASK		(1 << 7)
+#define OMAP3430_EXTERNAL_WARM_RST_MASK			(1 << 6)
+#define OMAP3430_SECURE_WD_RST_MASK			(1 << 5)
+#define OMAP3430_MPU_WD_RST_MASK			(1 << 4)
+#define OMAP3430_SECURITY_VIOL_RST_MASK			(1 << 3)
+#define OMAP3430_GLOBAL_SW_RST_MASK			(1 << 1)
+#define OMAP3430_GLOBAL_COLD_RST_MASK			(1 << 0)
 
 /* PRM_VOLTCTRL */
-#define OMAP3430_SEL_VMODE				(1 << 4)
-#define OMAP3430_SEL_OFF				(1 << 3)
-#define OMAP3430_AUTO_OFF				(1 << 2)
-#define OMAP3430_AUTO_RET				(1 << 1)
-#define OMAP3430_AUTO_SLEEP				(1 << 0)
+#define OMAP3430_SEL_VMODE_MASK				(1 << 4)
+#define OMAP3430_SEL_OFF_MASK				(1 << 3)
+#define OMAP3430_AUTO_OFF_MASK				(1 << 2)
+#define OMAP3430_AUTO_RET_MASK				(1 << 1)
+#define OMAP3430_AUTO_SLEEP_MASK			(1 << 0)
 
 /* PRM_SRAM_PCHARGE */
 #define OMAP3430_PCHARGE_TIME_SHIFT			0
@@ -550,10 +550,10 @@
 #define OMAP3430_SETUP_TIME_MASK			(0xffff << 0)
 
 /* PRM_POLCTRL */
-#define OMAP3430_OFFMODE_POL				(1 << 3)
-#define OMAP3430_CLKOUT_POL				(1 << 2)
-#define OMAP3430_CLKREQ_POL				(1 << 1)
-#define OMAP3430_EXTVOL_POL				(1 << 0)
+#define OMAP3430_OFFMODE_POL_MASK			(1 << 3)
+#define OMAP3430_CLKOUT_POL_MASK			(1 << 2)
+#define OMAP3430_CLKREQ_POL_MASK			(1 << 1)
+#define OMAP3430_EXTVOL_POL_MASK			(1 << 0)
 
 /* PRM_VOLTSETUP2 */
 #define OMAP3430_OFFMODESETUPTIME_SHIFT			0

From 2fd0f75cb3413105ed10041c719346ccb710fbc6 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 18:40:23 -0600
Subject: [PATCH 2365/3638] OMAP2+ PRCM: convert remaining PRCM macros to the
 _SHIFT/_MASK suffixes

Fix all of the remaining PRCM register shift/bitmask macros that did not
use the _SHIFT/_MASK suffixes to use them.  This makes the use of these
macros consistent.  It is intended to reduce error, as code can be inspected
visually by reviewers to ensure that bitshifts and bitmasks are used in
the appropriate places.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-omap2/cm.h          |   5 +-
 arch/arm/mach-omap2/pm24xx.c      |  21 +++--
 arch/arm/mach-omap2/pm34xx.c      |  30 +++---
 arch/arm/mach-omap2/powerdomain.c |   2 +-
 arch/arm/mach-omap2/prcm-common.h | 146 +++++++++++++++---------------
 arch/arm/mach-omap2/prcm.c        |   4 +-
 arch/arm/mach-omap2/prm.h         |  18 ++--
 7 files changed, 114 insertions(+), 112 deletions(-)

diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index 94728b1ee3c..b6ab183212d 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -134,10 +134,11 @@ static inline u32 cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
 
 /* CM_ICLKEN_GFX */
 #define OMAP_EN_GFX_SHIFT				0
-#define OMAP_EN_GFX					(1 << 0)
+#define OMAP_EN_GFX_MASK				(1 << 0)
 
 /* CM_IDLEST_GFX */
-#define OMAP_ST_GFX					(1 << 0)
+#define OMAP_ST_GFX_MASK				(1 << 0)
+
 
 /* CM_IDLEST indicator */
 #define OMAP24XX_CM_IDLEST_VAL		0
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index b8c9e900a67..e321281ab6e 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -70,8 +70,8 @@ static int omap2_fclks_active(void)
 	f2 = cm_read_mod_reg(CORE_MOD, OMAP24XX_CM_FCLKEN2);
 
 	/* Ignore UART clocks.  These are handled by UART core (serial.c) */
-	f1 &= ~(OMAP24XX_EN_UART1 | OMAP24XX_EN_UART2);
-	f2 &= ~OMAP24XX_EN_UART3;
+	f1 &= ~(OMAP24XX_EN_UART1_MASK | OMAP24XX_EN_UART2_MASK);
+	f2 &= ~OMAP24XX_EN_UART3_MASK;
 
 	if (f1 | f2)
 		return 1;
@@ -181,13 +181,13 @@ static int omap2_allow_mpu_retention(void)
 
 	/* Check for MMC, UART2, UART1, McSPI2, McSPI1 and DSS1. */
 	l = cm_read_mod_reg(CORE_MOD, CM_FCLKEN1);
-	if (l & (OMAP2420_EN_MMC | OMAP24XX_EN_UART2 |
-		 OMAP24XX_EN_UART1 | OMAP24XX_EN_MCSPI2 |
-		 OMAP24XX_EN_MCSPI1 | OMAP24XX_EN_DSS1_MASK))
+	if (l & (OMAP2420_EN_MMC_MASK | OMAP24XX_EN_UART2_MASK |
+		 OMAP24XX_EN_UART1_MASK | OMAP24XX_EN_MCSPI2_MASK |
+		 OMAP24XX_EN_MCSPI1_MASK | OMAP24XX_EN_DSS1_MASK))
 		return 0;
 	/* Check for UART3. */
 	l = cm_read_mod_reg(CORE_MOD, OMAP24XX_CM_FCLKEN2);
-	if (l & OMAP24XX_EN_UART3)
+	if (l & OMAP24XX_EN_UART3_MASK)
 		return 0;
 	if (sti_console_enabled)
 		return 0;
@@ -215,12 +215,12 @@ static void omap2_enter_mpu_retention(void)
 
 		/* Try to enter MPU retention */
 		prm_write_mod_reg((0x01 << OMAP_POWERSTATE_SHIFT) |
-				  OMAP_LOGICRETSTATE,
+				  OMAP_LOGICRETSTATE_MASK,
 				  MPU_MOD, OMAP2_PM_PWSTCTRL);
 	} else {
 		/* Block MPU retention */
 
-		prm_write_mod_reg(OMAP_LOGICRETSTATE, MPU_MOD,
+		prm_write_mod_reg(OMAP_LOGICRETSTATE_MASK, MPU_MOD,
 						 OMAP2_PM_PWSTCTRL);
 		only_idle = 1;
 	}
@@ -288,7 +288,8 @@ static int omap2_pm_suspend(void)
 	u32 wken_wkup, mir1;
 
 	wken_wkup = prm_read_mod_reg(WKUP_MOD, PM_WKEN);
-	prm_write_mod_reg(wken_wkup & ~OMAP24XX_EN_GPT1, WKUP_MOD, PM_WKEN);
+	wken_wkup &= ~OMAP24XX_EN_GPT1_MASK;
+	prm_write_mod_reg(wken_wkup, WKUP_MOD, PM_WKEN);
 
 	/* Mask GPT1 */
 	mir1 = omap_readl(0x480fe0a4);
@@ -469,7 +470,7 @@ static void __init prcm_setup_regs(void)
 			  OMAP24XX_GR_MOD, OMAP2_PRCM_VOLTCTRL_OFFSET);
 
 	/* Enable wake-up events */
-	prm_write_mod_reg(OMAP24XX_EN_GPIOS | OMAP24XX_EN_GPT1,
+	prm_write_mod_reg(OMAP24XX_EN_GPIOS_MASK | OMAP24XX_EN_GPT1_MASK,
 			  WKUP_MOD, PM_WKEN);
 }
 
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index dd09d80ea3e..b2c299d9f42 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -867,7 +867,7 @@ static void __init prcm_setup_regs(void)
 			CM_AUTOIDLE);
 	}
 
-	omap_ctrl_writel(OMAP3430_AUTOIDLE, OMAP2_CONTROL_SYSCONFIG);
+	omap_ctrl_writel(OMAP3430_AUTOIDLE_MASK, OMAP2_CONTROL_SYSCONFIG);
 
 	/*
 	 * Set all plls to autoidle. This is needed until autoidle is
@@ -897,12 +897,12 @@ static void __init prcm_setup_regs(void)
 			     OMAP3_PRM_CLKSRC_CTRL_OFFSET);
 
 	/* setup wakup source */
-	prm_write_mod_reg(OMAP3430_EN_IO_MASK | OMAP3430_EN_GPIO1 |
-			  OMAP3430_EN_GPT1 | OMAP3430_EN_GPT12,
+	prm_write_mod_reg(OMAP3430_EN_IO_MASK | OMAP3430_EN_GPIO1_MASK |
+			  OMAP3430_EN_GPT1_MASK | OMAP3430_EN_GPT12_MASK,
 			  WKUP_MOD, PM_WKEN);
 	/* No need to write EN_IO, that is always enabled */
-	prm_write_mod_reg(OMAP3430_EN_GPIO1 | OMAP3430_EN_GPT1 |
-			  OMAP3430_EN_GPT12,
+	prm_write_mod_reg(OMAP3430_EN_GPIO1_MASK | OMAP3430_EN_GPT1_MASK |
+			  OMAP3430_EN_GPT12_MASK,
 			  WKUP_MOD, OMAP3430_PM_MPUGRPSEL);
 	/* For some reason IO doesn't generate wakeup event even if
 	 * it is selected to mpu wakeup goup */
@@ -914,18 +914,18 @@ static void __init prcm_setup_regs(void)
 				OMAP3430_DSS_MOD, PM_WKEN);
 
 	/* Enable wakeups in PER */
-	prm_write_mod_reg(OMAP3430_EN_GPIO2 | OMAP3430_EN_GPIO3 |
-			  OMAP3430_EN_GPIO4 | OMAP3430_EN_GPIO5 |
-			  OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3 |
-			  OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
-			  OMAP3430_EN_MCBSP4,
+	prm_write_mod_reg(OMAP3430_EN_GPIO2_MASK | OMAP3430_EN_GPIO3_MASK |
+			  OMAP3430_EN_GPIO4_MASK | OMAP3430_EN_GPIO5_MASK |
+			  OMAP3430_EN_GPIO6_MASK | OMAP3430_EN_UART3_MASK |
+			  OMAP3430_EN_MCBSP2_MASK | OMAP3430_EN_MCBSP3_MASK |
+			  OMAP3430_EN_MCBSP4_MASK,
 			  OMAP3430_PER_MOD, PM_WKEN);
 	/* and allow them to wake up MPU */
-	prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2_MASK | OMAP3430_EN_GPIO3 |
-			  OMAP3430_GRPSEL_GPIO4_MASK | OMAP3430_EN_GPIO5 |
-			  OMAP3430_GRPSEL_GPIO6_MASK | OMAP3430_EN_UART3 |
-			  OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
-			  OMAP3430_EN_MCBSP4,
+	prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2_MASK | OMAP3430_EN_GPIO3_MASK |
+			  OMAP3430_GRPSEL_GPIO4_MASK | OMAP3430_EN_GPIO5_MASK |
+			  OMAP3430_GRPSEL_GPIO6_MASK | OMAP3430_EN_UART3_MASK |
+			  OMAP3430_EN_MCBSP2_MASK | OMAP3430_EN_MCBSP3_MASK |
+			  OMAP3430_EN_MCBSP4_MASK,
 			  OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL);
 
 	/* Don't attach IVA interrupts */
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 637fdfe7acd..4a91d38d7b1 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -1004,7 +1004,7 @@ int pwrdm_wait_transition(struct powerdomain *pwrdm)
 
 	/* XXX Is this udelay() value meaningful? */
 	while ((prm_read_mod_reg(pwrdm->prcm_offs, pwrstst_reg_offs) &
-		OMAP_INTRANSITION) &&
+		OMAP_INTRANSITION_MASK) &&
 	       (c++ < PWRDM_TRANSITION_BAILOUT))
 			udelay(1);
 
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index 90f603d434c..ed2379f38db 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -132,63 +132,63 @@
 
 /* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
 #define OMAP2420_EN_MMC_SHIFT				26
-#define OMAP2420_EN_MMC					(1 << 26)
+#define OMAP2420_EN_MMC_MASK				(1 << 26)
 #define OMAP24XX_EN_UART2_SHIFT				22
-#define OMAP24XX_EN_UART2				(1 << 22)
+#define OMAP24XX_EN_UART2_MASK				(1 << 22)
 #define OMAP24XX_EN_UART1_SHIFT				21
-#define OMAP24XX_EN_UART1				(1 << 21)
+#define OMAP24XX_EN_UART1_MASK				(1 << 21)
 #define OMAP24XX_EN_MCSPI2_SHIFT			18
-#define OMAP24XX_EN_MCSPI2				(1 << 18)
+#define OMAP24XX_EN_MCSPI2_MASK				(1 << 18)
 #define OMAP24XX_EN_MCSPI1_SHIFT			17
-#define OMAP24XX_EN_MCSPI1				(1 << 17)
+#define OMAP24XX_EN_MCSPI1_MASK				(1 << 17)
 #define OMAP24XX_EN_MCBSP2_SHIFT			16
-#define OMAP24XX_EN_MCBSP2				(1 << 16)
+#define OMAP24XX_EN_MCBSP2_MASK				(1 << 16)
 #define OMAP24XX_EN_MCBSP1_SHIFT			15
-#define OMAP24XX_EN_MCBSP1				(1 << 15)
+#define OMAP24XX_EN_MCBSP1_MASK				(1 << 15)
 #define OMAP24XX_EN_GPT12_SHIFT				14
-#define OMAP24XX_EN_GPT12				(1 << 14)
+#define OMAP24XX_EN_GPT12_MASK				(1 << 14)
 #define OMAP24XX_EN_GPT11_SHIFT				13
-#define OMAP24XX_EN_GPT11				(1 << 13)
+#define OMAP24XX_EN_GPT11_MASK				(1 << 13)
 #define OMAP24XX_EN_GPT10_SHIFT				12
-#define OMAP24XX_EN_GPT10				(1 << 12)
+#define OMAP24XX_EN_GPT10_MASK				(1 << 12)
 #define OMAP24XX_EN_GPT9_SHIFT				11
-#define OMAP24XX_EN_GPT9				(1 << 11)
+#define OMAP24XX_EN_GPT9_MASK				(1 << 11)
 #define OMAP24XX_EN_GPT8_SHIFT				10
-#define OMAP24XX_EN_GPT8				(1 << 10)
+#define OMAP24XX_EN_GPT8_MASK				(1 << 10)
 #define OMAP24XX_EN_GPT7_SHIFT				9
-#define OMAP24XX_EN_GPT7				(1 << 9)
+#define OMAP24XX_EN_GPT7_MASK				(1 << 9)
 #define OMAP24XX_EN_GPT6_SHIFT				8
-#define OMAP24XX_EN_GPT6				(1 << 8)
+#define OMAP24XX_EN_GPT6_MASK				(1 << 8)
 #define OMAP24XX_EN_GPT5_SHIFT				7
-#define OMAP24XX_EN_GPT5				(1 << 7)
+#define OMAP24XX_EN_GPT5_MASK				(1 << 7)
 #define OMAP24XX_EN_GPT4_SHIFT				6
-#define OMAP24XX_EN_GPT4				(1 << 6)
+#define OMAP24XX_EN_GPT4_MASK				(1 << 6)
 #define OMAP24XX_EN_GPT3_SHIFT				5
-#define OMAP24XX_EN_GPT3				(1 << 5)
+#define OMAP24XX_EN_GPT3_MASK				(1 << 5)
 #define OMAP24XX_EN_GPT2_SHIFT				4
-#define OMAP24XX_EN_GPT2				(1 << 4)
+#define OMAP24XX_EN_GPT2_MASK				(1 << 4)
 #define OMAP2420_EN_VLYNQ_SHIFT				3
-#define OMAP2420_EN_VLYNQ				(1 << 3)
+#define OMAP2420_EN_VLYNQ_MASK				(1 << 3)
 
 /* CM_FCLKEN2_CORE, CM_ICLKEN2_CORE, PM_WKEN2_CORE shared bits */
 #define OMAP2430_EN_GPIO5_SHIFT				10
-#define OMAP2430_EN_GPIO5				(1 << 10)
+#define OMAP2430_EN_GPIO5_MASK				(1 << 10)
 #define OMAP2430_EN_MCSPI3_SHIFT			9
-#define OMAP2430_EN_MCSPI3				(1 << 9)
+#define OMAP2430_EN_MCSPI3_MASK				(1 << 9)
 #define OMAP2430_EN_MMCHS2_SHIFT			8
-#define OMAP2430_EN_MMCHS2				(1 << 8)
+#define OMAP2430_EN_MMCHS2_MASK				(1 << 8)
 #define OMAP2430_EN_MMCHS1_SHIFT			7
-#define OMAP2430_EN_MMCHS1				(1 << 7)
+#define OMAP2430_EN_MMCHS1_MASK				(1 << 7)
 #define OMAP24XX_EN_UART3_SHIFT				2
-#define OMAP24XX_EN_UART3				(1 << 2)
+#define OMAP24XX_EN_UART3_MASK				(1 << 2)
 #define OMAP24XX_EN_USB_SHIFT				0
-#define OMAP24XX_EN_USB					(1 << 0)
+#define OMAP24XX_EN_USB_MASK				(1 << 0)
 
 /* CM_ICLKEN2_CORE, PM_WKEN2_CORE shared bits */
 #define OMAP2430_EN_MDM_INTC_SHIFT			11
-#define OMAP2430_EN_MDM_INTC				(1 << 11)
+#define OMAP2430_EN_MDM_INTC_MASK			(1 << 11)
 #define OMAP2430_EN_USBHS_SHIFT				6
-#define OMAP2430_EN_USBHS				(1 << 6)
+#define OMAP2430_EN_USBHS_MASK				(1 << 6)
 
 /* CM_IDLEST1_CORE, PM_WKST1_CORE shared bits */
 #define OMAP2420_ST_MMC_SHIFT				26
@@ -246,9 +246,9 @@
 
 /* CM_FCLKEN_WKUP, CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
 #define OMAP24XX_EN_GPIOS_SHIFT				2
-#define OMAP24XX_EN_GPIOS				(1 << 2)
+#define OMAP24XX_EN_GPIOS_MASK				(1 << 2)
 #define OMAP24XX_EN_GPT1_SHIFT				0
-#define OMAP24XX_EN_GPT1				(1 << 0)
+#define OMAP24XX_EN_GPT1_MASK				(1 << 0)
 
 /* PM_WKST_WKUP, CM_IDLEST_WKUP shared bits */
 #define OMAP24XX_ST_GPIOS_SHIFT				(1 << 2)
@@ -267,47 +267,47 @@
 #define OMAP3430_REV_MASK				(0xff << 0)
 
 /* CM_SYSCONFIG, PRM_SYSCONFIG shared bits */
-#define OMAP3430_AUTOIDLE				(1 << 0)
+#define OMAP3430_AUTOIDLE_MASK				(1 << 0)
 
 /* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
-#define OMAP3430_EN_MMC2				(1 << 25)
+#define OMAP3430_EN_MMC2_MASK				(1 << 25)
 #define OMAP3430_EN_MMC2_SHIFT				25
-#define OMAP3430_EN_MMC1				(1 << 24)
+#define OMAP3430_EN_MMC1_MASK				(1 << 24)
 #define OMAP3430_EN_MMC1_SHIFT				24
-#define OMAP3430_EN_MCSPI4				(1 << 21)
+#define OMAP3430_EN_MCSPI4_MASK				(1 << 21)
 #define OMAP3430_EN_MCSPI4_SHIFT			21
-#define OMAP3430_EN_MCSPI3				(1 << 20)
+#define OMAP3430_EN_MCSPI3_MASK				(1 << 20)
 #define OMAP3430_EN_MCSPI3_SHIFT			20
-#define OMAP3430_EN_MCSPI2				(1 << 19)
+#define OMAP3430_EN_MCSPI2_MASK				(1 << 19)
 #define OMAP3430_EN_MCSPI2_SHIFT			19
-#define OMAP3430_EN_MCSPI1				(1 << 18)
+#define OMAP3430_EN_MCSPI1_MASK				(1 << 18)
 #define OMAP3430_EN_MCSPI1_SHIFT			18
-#define OMAP3430_EN_I2C3				(1 << 17)
+#define OMAP3430_EN_I2C3_MASK				(1 << 17)
 #define OMAP3430_EN_I2C3_SHIFT				17
-#define OMAP3430_EN_I2C2				(1 << 16)
+#define OMAP3430_EN_I2C2_MASK				(1 << 16)
 #define OMAP3430_EN_I2C2_SHIFT				16
-#define OMAP3430_EN_I2C1				(1 << 15)
+#define OMAP3430_EN_I2C1_MASK				(1 << 15)
 #define OMAP3430_EN_I2C1_SHIFT				15
-#define OMAP3430_EN_UART2				(1 << 14)
+#define OMAP3430_EN_UART2_MASK				(1 << 14)
 #define OMAP3430_EN_UART2_SHIFT				14
-#define OMAP3430_EN_UART1				(1 << 13)
+#define OMAP3430_EN_UART1_MASK				(1 << 13)
 #define OMAP3430_EN_UART1_SHIFT				13
-#define OMAP3430_EN_GPT11				(1 << 12)
+#define OMAP3430_EN_GPT11_MASK				(1 << 12)
 #define OMAP3430_EN_GPT11_SHIFT				12
-#define OMAP3430_EN_GPT10				(1 << 11)
+#define OMAP3430_EN_GPT10_MASK				(1 << 11)
 #define OMAP3430_EN_GPT10_SHIFT				11
-#define OMAP3430_EN_MCBSP5				(1 << 10)
+#define OMAP3430_EN_MCBSP5_MASK				(1 << 10)
 #define OMAP3430_EN_MCBSP5_SHIFT			10
-#define OMAP3430_EN_MCBSP1				(1 << 9)
+#define OMAP3430_EN_MCBSP1_MASK				(1 << 9)
 #define OMAP3430_EN_MCBSP1_SHIFT			9
-#define OMAP3430_EN_FSHOSTUSB				(1 << 5)
+#define OMAP3430_EN_FSHOSTUSB_MASK			(1 << 5)
 #define OMAP3430_EN_FSHOSTUSB_SHIFT			5
-#define OMAP3430_EN_D2D					(1 << 3)
+#define OMAP3430_EN_D2D_MASK				(1 << 3)
 #define OMAP3430_EN_D2D_SHIFT				3
 
 /* CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
-#define OMAP3430_EN_HSOTGUSB				(1 << 4)
-#define OMAP3430_EN_HSOTGUSB_SHIFT				4
+#define OMAP3430_EN_HSOTGUSB_MASK			(1 << 4)
+#define OMAP3430_EN_HSOTGUSB_SHIFT			4
 
 /* PM_WKST1_CORE, CM_IDLEST1_CORE shared bits */
 #define OMAP3430_ST_MMC2_SHIFT				25
@@ -352,21 +352,21 @@
 #define OMAP3430_ST_D2D_MASK				(1 << 3)
 
 /* CM_FCLKEN_WKUP, CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
-#define OMAP3430_EN_GPIO1				(1 << 3)
+#define OMAP3430_EN_GPIO1_MASK				(1 << 3)
 #define OMAP3430_EN_GPIO1_SHIFT				3
-#define OMAP3430_EN_GPT12				(1 << 1)
+#define OMAP3430_EN_GPT12_MASK				(1 << 1)
 #define OMAP3430_EN_GPT12_SHIFT				1
-#define OMAP3430_EN_GPT1				(1 << 0)
+#define OMAP3430_EN_GPT1_MASK				(1 << 0)
 #define OMAP3430_EN_GPT1_SHIFT				0
 
 /* CM_FCLKEN_WKUP, PM_WKEN_WKUP shared bits */
-#define OMAP3430_EN_SR2					(1 << 7)
+#define OMAP3430_EN_SR2_MASK				(1 << 7)
 #define OMAP3430_EN_SR2_SHIFT				7
-#define OMAP3430_EN_SR1					(1 << 6)
+#define OMAP3430_EN_SR1_MASK				(1 << 6)
 #define OMAP3430_EN_SR1_SHIFT				6
 
 /* CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
-#define OMAP3430_EN_GPT12				(1 << 1)
+#define OMAP3430_EN_GPT12_MASK				(1 << 1)
 #define OMAP3430_EN_GPT12_SHIFT				1
 
 /* CM_IDLEST_WKUP, PM_WKST_WKUP shared bits */
@@ -386,47 +386,47 @@
  * CM_SLEEPDEP_PER, PM_WKDEP_IVA2, PM_WKDEP_GFX,
  * PM_WKDEP_DSS, PM_WKDEP_CAM, PM_WKDEP_PER, PM_WKDEP_NEON shared bits
  */
-#define OMAP3430_EN_MPU					(1 << 1)
+#define OMAP3430_EN_MPU_MASK				(1 << 1)
 #define OMAP3430_EN_MPU_SHIFT				1
 
 /* CM_FCLKEN_PER, CM_ICLKEN_PER, PM_WKEN_PER shared bits */
-#define OMAP3430_EN_GPIO6				(1 << 17)
+#define OMAP3430_EN_GPIO6_MASK				(1 << 17)
 #define OMAP3430_EN_GPIO6_SHIFT				17
-#define OMAP3430_EN_GPIO5				(1 << 16)
+#define OMAP3430_EN_GPIO5_MASK				(1 << 16)
 #define OMAP3430_EN_GPIO5_SHIFT				16
-#define OMAP3430_EN_GPIO4				(1 << 15)
+#define OMAP3430_EN_GPIO4_MASK				(1 << 15)
 #define OMAP3430_EN_GPIO4_SHIFT				15
-#define OMAP3430_EN_GPIO3				(1 << 14)
+#define OMAP3430_EN_GPIO3_MASK				(1 << 14)
 #define OMAP3430_EN_GPIO3_SHIFT				14
-#define OMAP3430_EN_GPIO2				(1 << 13)
+#define OMAP3430_EN_GPIO2_MASK				(1 << 13)
 #define OMAP3430_EN_GPIO2_SHIFT				13
-#define OMAP3430_EN_UART3				(1 << 11)
+#define OMAP3430_EN_UART3_MASK				(1 << 11)
 #define OMAP3430_EN_UART3_SHIFT				11
-#define OMAP3430_EN_GPT9				(1 << 10)
+#define OMAP3430_EN_GPT9_MASK				(1 << 10)
 #define OMAP3430_EN_GPT9_SHIFT				10
-#define OMAP3430_EN_GPT8				(1 << 9)
+#define OMAP3430_EN_GPT8_MASK				(1 << 9)
 #define OMAP3430_EN_GPT8_SHIFT				9
-#define OMAP3430_EN_GPT7				(1 << 8)
+#define OMAP3430_EN_GPT7_MASK				(1 << 8)
 #define OMAP3430_EN_GPT7_SHIFT				8
-#define OMAP3430_EN_GPT6				(1 << 7)
+#define OMAP3430_EN_GPT6_MASK				(1 << 7)
 #define OMAP3430_EN_GPT6_SHIFT				7
-#define OMAP3430_EN_GPT5				(1 << 6)
+#define OMAP3430_EN_GPT5_MASK				(1 << 6)
 #define OMAP3430_EN_GPT5_SHIFT				6
-#define OMAP3430_EN_GPT4				(1 << 5)
+#define OMAP3430_EN_GPT4_MASK				(1 << 5)
 #define OMAP3430_EN_GPT4_SHIFT				5
-#define OMAP3430_EN_GPT3				(1 << 4)
+#define OMAP3430_EN_GPT3_MASK				(1 << 4)
 #define OMAP3430_EN_GPT3_SHIFT				4
-#define OMAP3430_EN_GPT2				(1 << 3)
+#define OMAP3430_EN_GPT2_MASK				(1 << 3)
 #define OMAP3430_EN_GPT2_SHIFT				3
 
 /* CM_FCLKEN_PER, CM_ICLKEN_PER, PM_WKEN_PER, PM_WKST_PER shared bits */
 /* XXX Possible TI documentation bug: should the PM_WKST_PER EN_* bits
  * be ST_* bits instead? */
-#define OMAP3430_EN_MCBSP4				(1 << 2)
+#define OMAP3430_EN_MCBSP4_MASK				(1 << 2)
 #define OMAP3430_EN_MCBSP4_SHIFT			2
-#define OMAP3430_EN_MCBSP3				(1 << 1)
+#define OMAP3430_EN_MCBSP3_MASK				(1 << 1)
 #define OMAP3430_EN_MCBSP3_SHIFT			1
-#define OMAP3430_EN_MCBSP2				(1 << 0)
+#define OMAP3430_EN_MCBSP2_MASK				(1 << 0)
 #define OMAP3430_EN_MCBSP2_SHIFT			0
 
 /* CM_IDLEST_PER, PM_WKST_PER shared bits */
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 07a60f1204c..c20137497c9 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -158,10 +158,10 @@ void omap_prcm_arch_reset(char mode, const char *cmd)
 		WARN_ON(1);
 
 	if (cpu_is_omap24xx() || cpu_is_omap34xx())
-		prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs,
+		prm_set_mod_reg_bits(OMAP_RST_DPLL3_MASK, prcm_offs,
 						 OMAP2_RM_RSTCTRL);
 	if (cpu_is_omap44xx())
-		prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs,
+		prm_set_mod_reg_bits(OMAP_RST_DPLL3_MASK, prcm_offs,
 						 OMAP4_RM_RSTCTRL);
 }
 
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index 5fba2aa8932..7bffb6e39d7 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -284,7 +284,7 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
 #define OMAP_OFFLOADMODE_MASK				(0x3 << 3)
 #define OMAP_ONLOADMODE_SHIFT				1
 #define OMAP_ONLOADMODE_MASK				(0x3 << 1)
-#define OMAP_ENABLE					(1 << 0)
+#define OMAP_ENABLE_MASK				(1 << 0)
 
 /* PRM_RSTTIME */
 /* Named RM_RSTTIME_WKUP on the 24xx */
@@ -296,8 +296,8 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
 /* PRM_RSTCTRL */
 /* Named RM_RSTCTRL_WKUP on the 24xx */
 /* 2420 calls RST_DPLL3 'RST_DPLL' */
-#define OMAP_RST_DPLL3					(1 << 2)
-#define OMAP_RST_GS					(1 << 1)
+#define OMAP_RST_DPLL3_MASK				(1 << 2)
+#define OMAP_RST_GS_MASK				(1 << 1)
 
 
 /*
@@ -316,7 +316,7 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
  *	 PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU,
  *	 PM_PWSTST_NEON
  */
-#define OMAP_INTRANSITION				(1 << 20)
+#define OMAP_INTRANSITION_MASK				(1 << 20)
 
 
 /*
@@ -338,7 +338,7 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
  * 3430: RM_RSTST_IVA2, RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSS,
  *	 RM_RSTST_CAM, RM_RSTST_PER, RM_RSTST_NEON
  */
-#define OMAP_COREDOMAINWKUP_RST				(1 << 3)
+#define OMAP_COREDOMAINWKUP_RST_MASK			(1 << 3)
 
 /*
  * 24XX: RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSP
@@ -347,7 +347,7 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
  *
  * 3430: RM_RSTST_CORE, RM_RSTST_EMU
  */
-#define OMAP_DOMAINWKUP_RST				(1 << 2)
+#define OMAP_DOMAINWKUP_RST_MASK			(1 << 2)
 
 /*
  * 24XX: RM_RSTST_MPU, RM_RSTST_WKUP, RM_RSTST_DSP
@@ -357,8 +357,8 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
  *
  * 3430: RM_RSTST_CORE, RM_RSTST_EMU
  */
-#define OMAP_GLOBALWARM_RST				(1 << 1)
-#define OMAP_GLOBALCOLD_RST				(1 << 0)
+#define OMAP_GLOBALWARM_RST_MASK			(1 << 1)
+#define OMAP_GLOBALCOLD_RST_MASK			(1 << 0)
 
 /*
  * 24XX: PM_WKDEP_GFX, PM_WKDEP_MPU, PM_WKDEP_CORE, PM_WKDEP_DSP
@@ -382,7 +382,7 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
  *	 PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER,
  *	 PM_PWSTCTRL_NEON
  */
-#define OMAP_LOGICRETSTATE				(1 << 2)
+#define OMAP_LOGICRETSTATE_MASK				(1 << 2)
 
 /*
  * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX,

From 275f675c24a16ea45cc78bc03ff73fd06be8bffb Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 18:40:23 -0600
Subject: [PATCH 2366/3638] OMAP3: PM: PM_MPUGRPSEL writes should use GRPSEL
 macros, not EN macros
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Writes to the PM_*GRPSEL registers should use _GRPSEL_ macros, not _EN_ macros,
to match the TRM and guard against inadvertent error.  This patch should
not cause any functional change.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Jouni Högander <jouni.hogander@nokia.com>
---
 arch/arm/mach-omap2/pm34xx.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index b2c299d9f42..2e967716cc3 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -901,8 +901,9 @@ static void __init prcm_setup_regs(void)
 			  OMAP3430_EN_GPT1_MASK | OMAP3430_EN_GPT12_MASK,
 			  WKUP_MOD, PM_WKEN);
 	/* No need to write EN_IO, that is always enabled */
-	prm_write_mod_reg(OMAP3430_EN_GPIO1_MASK | OMAP3430_EN_GPT1_MASK |
-			  OMAP3430_EN_GPT12_MASK,
+	prm_write_mod_reg(OMAP3430_GRPSEL_GPIO1_MASK |
+			  OMAP3430_GRPSEL_GPT1_MASK |
+			  OMAP3430_GRPSEL_GPT12_MASK,
 			  WKUP_MOD, OMAP3430_PM_MPUGRPSEL);
 	/* For some reason IO doesn't generate wakeup event even if
 	 * it is selected to mpu wakeup goup */
@@ -921,11 +922,15 @@ static void __init prcm_setup_regs(void)
 			  OMAP3430_EN_MCBSP4_MASK,
 			  OMAP3430_PER_MOD, PM_WKEN);
 	/* and allow them to wake up MPU */
-	prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2_MASK | OMAP3430_EN_GPIO3_MASK |
-			  OMAP3430_GRPSEL_GPIO4_MASK | OMAP3430_EN_GPIO5_MASK |
-			  OMAP3430_GRPSEL_GPIO6_MASK | OMAP3430_EN_UART3_MASK |
-			  OMAP3430_EN_MCBSP2_MASK | OMAP3430_EN_MCBSP3_MASK |
-			  OMAP3430_EN_MCBSP4_MASK,
+	prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2_MASK |
+			  OMAP3430_GRPSEL_GPIO3_MASK |
+			  OMAP3430_GRPSEL_GPIO4_MASK |
+			  OMAP3430_GRPSEL_GPIO5_MASK |
+			  OMAP3430_GRPSEL_GPIO6_MASK |
+			  OMAP3430_GRPSEL_UART3_MASK |
+			  OMAP3430_GRPSEL_MCBSP2_MASK |
+			  OMAP3430_GRPSEL_MCBSP3_MASK |
+			  OMAP3430_GRPSEL_MCBSP4_MASK,
 			  OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL);
 
 	/* Don't attach IVA interrupts */

From d74b4949714741f4c58cd1801a6a92737b89a61c Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 18:40:24 -0600
Subject: [PATCH 2367/3638] OMAP2+ clock: remove DEFAULT_RATE clksel_rate flag

The DEFAULT_RATE clksel_rate flag is essentially useless.  It was set
on some of the lowest divisors, which, when switching to a much
higher-rate parent, could have potentially resulted in rates that
exceeded the hardware specifications for downstream clocks in the
window between the clk_set_parent(), and a subsequent clk_set_rate().
It seems much safer to just remove the flag and always use the highest
available divisor (resulting in the lowest possible rate) after the
switch, and this patch does so.

Ideally, it would be best to first attempt to switch to a divisor that
matches the clock's rate with the previous parent, if at all possible.
But that is a project for some other day or some other person.  The
parent changing code is rarely used.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/clkt_clksel.c       | 57 ++++++++++++------
 arch/arm/mach-omap2/clock2420_data.c    | 46 +++++++-------
 arch/arm/mach-omap2/clock2430_data.c    | 48 +++++++--------
 arch/arm/mach-omap2/clock3xxx_data.c    | 80 ++++++++++++-------------
 arch/arm/mach-omap2/clock_common_data.c |  6 +-
 arch/arm/plat-omap/include/plat/clock.h | 13 ++--
 6 files changed, 135 insertions(+), 115 deletions(-)

diff --git a/arch/arm/mach-omap2/clkt_clksel.c b/arch/arm/mach-omap2/clkt_clksel.c
index e50812dd03f..9a23aebeea7 100644
--- a/arch/arm/mach-omap2/clkt_clksel.c
+++ b/arch/arm/mach-omap2/clkt_clksel.c
@@ -67,38 +67,61 @@ static const struct clksel *_omap2_get_clksel_by_parent(struct clk *clk,
 	return clks;
 }
 
-/*
- * Converts encoded control register address into a full address
- * On error, the return value (parent_div) will be 0.
+/**
+ * _omap2_clksel_get_src_field - find the new clksel divisor to use
+ * @src_clk: planned new parent struct clk *
+ * @clk: struct clk * that is being reparented
+ * @field_val: pointer to a u32 to contain the register data for the divisor
+ *
+ * Given an intended new parent struct clk * @src_clk, and the struct
+ * clk * @clk to the clock that is being reparented, find the
+ * appropriate rate divisor for the new clock (returned as the return
+ * value), and the corresponding register bitfield data to program to
+ * reach that divisor (returned in the u32 pointed to by @field_val).
+ * Returns 0 on error, or returns the newly-selected divisor upon
+ * success (in this latter case, the corresponding register bitfield
+ * value is passed back in the variable pointed to by @field_val)
  */
-static u32 _omap2_clksel_get_src_field(struct clk *src_clk, struct clk *clk,
-				       u32 *field_val)
+static u8 _omap2_clksel_get_src_field(struct clk *src_clk, struct clk *clk,
+				      u32 *field_val)
 {
 	const struct clksel *clks;
-	const struct clksel_rate *clkr;
+	const struct clksel_rate *clkr, *max_clkr;
+	u8 max_div = 0;
 
 	clks = _omap2_get_clksel_by_parent(clk, src_clk);
 	if (!clks)
 		return 0;
 
+	/*
+	 * Find the highest divisor (e.g., the one resulting in the
+	 * lowest rate) to use as the default.  This should avoid
+	 * clock rates that are too high for the device.  XXX A better
+	 * solution here would be to try to determine if there is a
+	 * divisor matching the original clock rate before the parent
+	 * switch, and if it cannot be found, to fall back to the
+	 * highest divisor.
+	 */
 	for (clkr = clks->rates; clkr->div; clkr++) {
-		if (clkr->flags & cpu_mask && clkr->flags & DEFAULT_RATE)
-			break; /* Found the default rate for this platform */
+		if (!(clkr->flags & cpu_mask))
+			continue;
+
+		if (clkr->div > max_div) {
+			max_div = clkr->div;
+			max_clkr = clkr;
+		}
 	}
 
-	if (!clkr->div) {
-		printk(KERN_ERR "clock: Could not find default rate for "
+	if (max_div == 0) {
+		WARN(1, "clock: Could not find divisor for "
 		       "clock %s parent %s\n", clk->name,
 		       src_clk->parent->name);
 		return 0;
 	}
 
-	/* Should never happen.  Add a clksel mask to the struct clk. */
-	WARN_ON(clk->clksel_mask == 0);
+	*field_val = max_clkr->val;
 
-	*field_val = clkr->val;
-
-	return clkr->div;
+	return max_div;
 }
 
 
@@ -177,8 +200,6 @@ unsigned long omap2_clksel_recalc(struct clk *clk)
  *
  * Finds 'best' divider value in an array based on the source and target
  * rates.  The divider array must be sorted with smallest divider first.
- * Note that this will not work for clocks which are part of CONFIG_PARTICIPANT,
- * they are only settable as part of virtual_prcm set.
  *
  * Returns the rounded clock rate or returns 0xffffffff on error.
  */
@@ -380,7 +401,7 @@ int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent)
 {
 	u32 field_val, v, parent_div;
 
-	if (!clk->clksel)
+	if (!clk->clksel || !clk->clksel_mask)
 		return -EINVAL;
 
 	parent_div = _omap2_clksel_get_src_field(new_parent, clk, &field_val);
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index 1381e767ce3..23bc981574f 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -155,12 +155,12 @@ static struct clk apll54_ck = {
 /* func_54m_ck */
 
 static const struct clksel_rate func_54m_apll54_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate func_54m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
@@ -201,12 +201,12 @@ static struct clk func_96m_ck = {
 /* func_48m_ck */
 
 static const struct clksel_rate func_48m_apll96_rates[] = {
-	{ .div = 2, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate func_48m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
@@ -256,22 +256,22 @@ static struct clk wdt1_osc_ck = {
  * flags fields, which mark them as 2420-only.
  */
 static const struct clksel_rate common_clkout_src_core_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate common_clkout_src_sys_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate common_clkout_src_96m_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate common_clkout_src_54m_rates[] = {
-	{ .div = 1, .val = 3, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 3, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -300,7 +300,7 @@ static struct clk sys_clkout_src = {
 };
 
 static const struct clksel_rate common_clkout_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 8, .val = 3, .flags = RATE_IN_24XX },
@@ -384,7 +384,7 @@ static struct clk emul_ck = {
  *
  */
 static const struct clksel_rate mpu_core_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 4, .flags = RATE_IN_242X },
 	{ .div = 6, .val = 6, .flags = RATE_IN_242X },
@@ -420,7 +420,7 @@ static struct clk mpu_ck = {	/* Control cpu */
  * routed into a synchronizer and out of clocks abc.
  */
 static const struct clksel_rate dsp_fck_core_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 3, .val = 3, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
@@ -450,7 +450,7 @@ static struct clk dsp_fck = {
 
 /* DSP interface clock */
 static const struct clksel_rate dsp_irate_ick_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
@@ -532,7 +532,7 @@ static struct clk iva1_mpu_int_ifck = {
 static const struct clksel_rate core_l3_core_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_242X },
-	{ .div = 4, .val = 4, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
 	{ .div = 6, .val = 6, .flags = RATE_IN_24XX },
 	{ .div = 8, .val = 8, .flags = RATE_IN_242X },
 	{ .div = 12, .val = 12, .flags = RATE_IN_242X },
@@ -559,7 +559,7 @@ static struct clk core_l3_ck = {	/* Used for ick and fck, interconnect */
 /* usb_l4_ick */
 static const struct clksel_rate usb_l4_ick_core_l3_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
-	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
@@ -591,7 +591,7 @@ static struct clk usb_l4_ick = {	/* FS-USB interface clock */
  * this domain.
  */
 static const struct clksel_rate l4_core_l3_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
@@ -622,7 +622,7 @@ static struct clk l4_ck = {		/* used both as an ick and fck */
  */
 static const struct clksel_rate ssi_ssr_sst_fck_core_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
-	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 3, .val = 3, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
 	{ .div = 6, .val = 6, .flags = RATE_IN_242X },
@@ -730,7 +730,7 @@ static struct clk gfx_ick = {
 /* XXX Add RATE_NOT_VALIDATED */
 
 static const struct clksel_rate dss1_fck_sys_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -744,7 +744,7 @@ static const struct clksel_rate dss1_fck_core_rates[] = {
 	{ .div = 8, .val = 8, .flags = RATE_IN_24XX },
 	{ .div = 9, .val = 9, .flags = RATE_IN_24XX },
 	{ .div = 12, .val = 12, .flags = RATE_IN_24XX },
-	{ .div = 16, .val = 16, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 16, .val = 16, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -779,12 +779,12 @@ static struct clk dss1_fck = {
 };
 
 static const struct clksel_rate dss2_fck_sys_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate dss2_fck_48m_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -825,7 +825,7 @@ static struct clk dss_54m_fck = {	/* Alt clk used in power management */
  * functional clock parents.
  */
 static const struct clksel_rate gpt_alt_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -1588,7 +1588,7 @@ static struct clk vlynq_ick = {
 };
 
 static const struct clksel_rate vlynq_fck_96m_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_242X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_242X },
 	{ .div = 0 }
 };
 
@@ -1601,7 +1601,7 @@ static const struct clksel_rate vlynq_fck_core_rates[] = {
 	{ .div = 8, .val = 8, .flags = RATE_IN_242X },
 	{ .div = 9, .val = 9, .flags = RATE_IN_242X },
 	{ .div = 12, .val = 12, .flags = RATE_IN_242X },
-	{ .div = 16, .val = 16, .flags = RATE_IN_242X | DEFAULT_RATE },
+	{ .div = 16, .val = 16, .flags = RATE_IN_242X },
 	{ .div = 18, .val = 18, .flags = RATE_IN_242X },
 	{ .div = 0 }
 };
diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c
index 1aac22709df..2df50d97deb 100644
--- a/arch/arm/mach-omap2/clock2430_data.c
+++ b/arch/arm/mach-omap2/clock2430_data.c
@@ -155,12 +155,12 @@ static struct clk apll54_ck = {
 /* func_54m_ck */
 
 static const struct clksel_rate func_54m_apll54_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate func_54m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
@@ -192,12 +192,12 @@ static struct clk core_ck = {
 
 /* func_96m_ck */
 static const struct clksel_rate func_96m_apll96_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate func_96m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_243X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_243X },
 	{ .div = 0 },
 };
 
@@ -222,12 +222,12 @@ static struct clk func_96m_ck = {
 /* func_48m_ck */
 
 static const struct clksel_rate func_48m_apll96_rates[] = {
-	{ .div = 2, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate func_48m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
 
@@ -277,22 +277,22 @@ static struct clk wdt1_osc_ck = {
  * flags fields, which mark them as 2420-only.
  */
 static const struct clksel_rate common_clkout_src_core_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate common_clkout_src_sys_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate common_clkout_src_96m_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate common_clkout_src_54m_rates[] = {
-	{ .div = 1, .val = 3, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 3, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -321,7 +321,7 @@ static struct clk sys_clkout_src = {
 };
 
 static const struct clksel_rate common_clkout_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 8, .val = 3, .flags = RATE_IN_24XX },
@@ -369,7 +369,7 @@ static struct clk emul_ck = {
  *
  */
 static const struct clksel_rate mpu_core_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 0 },
 };
@@ -402,7 +402,7 @@ static struct clk mpu_ck = {	/* Control cpu */
  * routed into a synchronizer and out of clocks abc.
  */
 static const struct clksel_rate dsp_fck_core_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 3, .val = 3, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
@@ -429,7 +429,7 @@ static struct clk dsp_fck = {
 
 /* DSP interface clock */
 static const struct clksel_rate dsp_irate_ick_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 3, .val = 3, .flags = RATE_IN_243X },
 	{ .div = 0 },
@@ -481,7 +481,7 @@ static struct clk iva2_1_ick = {
  */
 static const struct clksel_rate core_l3_core_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
-	{ .div = 4, .val = 4, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
 	{ .div = 6, .val = 6, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
@@ -505,7 +505,7 @@ static struct clk core_l3_ck = {	/* Used for ick and fck, interconnect */
 /* usb_l4_ick */
 static const struct clksel_rate usb_l4_ick_core_l3_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
-	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
@@ -537,7 +537,7 @@ static struct clk usb_l4_ick = {	/* FS-USB interface clock */
  * this domain.
  */
 static const struct clksel_rate l4_core_l3_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
@@ -568,7 +568,7 @@ static struct clk l4_ck = {		/* used both as an ick and fck */
  */
 static const struct clksel_rate ssi_ssr_sst_fck_core_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
-	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 3, .val = 3, .flags = RATE_IN_24XX },
 	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
 	{ .div = 5, .val = 5, .flags = RATE_IN_243X },
@@ -673,7 +673,7 @@ static struct clk gfx_ick = {
  */
 static const struct clksel_rate mdm_ick_core_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_243X },
-	{ .div = 4, .val = 4, .flags = RATE_IN_243X | DEFAULT_RATE },
+	{ .div = 4, .val = 4, .flags = RATE_IN_243X },
 	{ .div = 6, .val = 6, .flags = RATE_IN_243X },
 	{ .div = 9, .val = 9, .flags = RATE_IN_243X },
 	{ .div = 0 }
@@ -718,7 +718,7 @@ static struct clk mdm_osc_ck = {
 /* XXX Add RATE_NOT_VALIDATED */
 
 static const struct clksel_rate dss1_fck_sys_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -732,7 +732,7 @@ static const struct clksel_rate dss1_fck_core_rates[] = {
 	{ .div = 8, .val = 8, .flags = RATE_IN_24XX },
 	{ .div = 9, .val = 9, .flags = RATE_IN_24XX },
 	{ .div = 12, .val = 12, .flags = RATE_IN_24XX },
-	{ .div = 16, .val = 16, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 16, .val = 16, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -767,12 +767,12 @@ static struct clk dss1_fck = {
 };
 
 static const struct clksel_rate dss2_fck_sys_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate dss2_fck_48m_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
@@ -813,7 +813,7 @@ static struct clk dss_54m_fck = {	/* Alt clk used in power management */
  * functional clock parents.
  */
 static const struct clksel_rate gpt_alt_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 1, .val = 2, .flags = RATE_IN_24XX },
 	{ .div = 0 }
 };
 
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 6905eb7aa67..80a12acdf9f 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -110,32 +110,32 @@ static struct clk virt_38_4m_ck = {
 };
 
 static const struct clksel_rate osc_sys_12m_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_13m_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_16_8m_rates[] = {
-	{ .div = 1, .val = 5, .flags = RATE_IN_3430ES2 | DEFAULT_RATE },
+	{ .div = 1, .val = 5, .flags = RATE_IN_3430ES2 },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_19_2m_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_26m_rates[] = {
-	{ .div = 1, .val = 3, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 3, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_38_4m_rates[] = {
-	{ .div = 1, .val = 4, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 4, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
@@ -163,7 +163,7 @@ static struct clk osc_sys_ck = {
 };
 
 static const struct clksel_rate div2_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
@@ -213,7 +213,7 @@ static struct clk sys_clkout1 = {
 /* CM CLOCKS */
 
 static const struct clksel_rate div16_dpll_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 3, .val = 3, .flags = RATE_IN_343X },
 	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
@@ -233,7 +233,7 @@ static const struct clksel_rate div16_dpll_rates[] = {
 };
 
 static const struct clksel_rate div32_dpll4_rates_3630[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_36XX | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_36XX },
 	{ .div = 2, .val = 2, .flags = RATE_IN_36XX },
 	{ .div = 3, .val = 3, .flags = RATE_IN_36XX },
 	{ .div = 4, .val = 4, .flags = RATE_IN_36XX },
@@ -450,7 +450,7 @@ static struct clk dpll3_x2_ck = {
 };
 
 static const struct clksel_rate div31_dpll3_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 3, .val = 3, .flags = RATE_IN_3430ES2 },
 	{ .div = 4, .val = 4, .flags = RATE_IN_3430ES2 },
@@ -698,7 +698,7 @@ static struct clk omap_192m_alwon_fck = {
 
 static const struct clksel_rate omap_96m_alwon_fck_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_36XX },
-	{ .div = 2, .val = 2, .flags = RATE_IN_36XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_36XX },
 	{ .div = 0 }
 };
 
@@ -708,12 +708,12 @@ static const struct clksel omap_96m_alwon_fck_clksel[] = {
 };
 
 static const struct clksel_rate omap_96m_dpll_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate omap_96m_sys_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
@@ -799,12 +799,12 @@ static struct clk dpll4_m3x2_ck = {
 };
 
 static const struct clksel_rate omap_54m_d4m3x2_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate omap_54m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
@@ -825,12 +825,12 @@ static struct clk omap_54m_fck = {
 };
 
 static const struct clksel_rate omap_48m_cm96m_rates[] = {
-	{ .div = 2, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 2, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate omap_48m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
@@ -1049,22 +1049,22 @@ static struct clk dpll5_m2_ck = {
 /* CM EXTERNAL CLOCK OUTPUTS */
 
 static const struct clksel_rate clkout2_src_core_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate clkout2_src_sys_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate clkout2_src_96m_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate clkout2_src_54m_rates[] = {
-	{ .div = 1, .val = 3, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 3, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
@@ -1090,7 +1090,7 @@ static struct clk clkout2_src_ck = {
 };
 
 static const struct clksel_rate sys_clkout2_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 4, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 8, .val = 3, .flags = RATE_IN_343X },
@@ -1125,7 +1125,7 @@ static struct clk corex2_fck = {
 /* DPLL power domain clock controls */
 
 static const struct clksel_rate div4_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
 	{ .div = 0 }
@@ -1161,7 +1161,7 @@ static struct clk mpu_ck = {
 
 /* arm_fck is divided by two when DPLL1 locked; otherwise, passthrough mpu_ck */
 static const struct clksel_rate arm_fck_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 0 },
 };
@@ -1333,25 +1333,25 @@ static struct clk gfx_cg2_ck = {
 
 static const struct clksel_rate sgx_core_rates[] = {
 	{ .div = 2, .val = 5, .flags = RATE_IN_36XX },
-	{ .div = 3, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 3, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 4, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 6, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate sgx_192m_rates[] = {
-	{ .div = 1,  .val = 4, .flags = RATE_IN_36XX | DEFAULT_RATE },
+	{ .div = 1,  .val = 4, .flags = RATE_IN_36XX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate sgx_corex2_rates[] = {
-	{ .div = 3, .val = 6, .flags = RATE_IN_36XX | DEFAULT_RATE },
+	{ .div = 3, .val = 6, .flags = RATE_IN_36XX },
 	{ .div = 5, .val = 7, .flags = RATE_IN_36XX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate sgx_96m_rates[] = {
-	{ .div = 1,  .val = 3, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1,  .val = 3, .flags = RATE_IN_343X },
 	{ .div = 0 },
 };
 
@@ -1576,12 +1576,12 @@ static struct clk i2c1_fck = {
  * MCBSP 2, 3, 4 get their 96MHz clock from per_96m_fck.
  */
 static const struct clksel_rate common_mcbsp_96m_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate common_mcbsp_mcbsp_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 0 }
 };
 
@@ -1714,7 +1714,7 @@ static struct clk hdq_fck = {
 /* DPLL3-derived clock */
 
 static const struct clksel_rate ssi_ssr_corex2_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 3, .val = 3, .flags = RATE_IN_343X },
 	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
@@ -2353,7 +2353,7 @@ static struct clk usbhost_ick = {
 /* WKUP */
 
 static const struct clksel_rate usim_96m_rates[] = {
-	{ .div = 2,  .val = 3, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 2,  .val = 3, .flags = RATE_IN_343X },
 	{ .div = 4,  .val = 4, .flags = RATE_IN_343X },
 	{ .div = 8,  .val = 5, .flags = RATE_IN_343X },
 	{ .div = 10, .val = 6, .flags = RATE_IN_343X },
@@ -2361,7 +2361,7 @@ static const struct clksel_rate usim_96m_rates[] = {
 };
 
 static const struct clksel_rate usim_120m_rates[] = {
-	{ .div = 4,  .val = 7,	.flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 4,  .val = 7,	.flags = RATE_IN_343X },
 	{ .div = 8,  .val = 8,	.flags = RATE_IN_343X },
 	{ .div = 16, .val = 9,	.flags = RATE_IN_343X },
 	{ .div = 20, .val = 10, .flags = RATE_IN_343X },
@@ -2951,22 +2951,22 @@ static struct clk mcbsp4_fck = {
 /* More information: ARM Cortex-A8 Technical Reference Manual, sect 10.1 */
 
 static const struct clksel_rate emu_src_sys_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate emu_src_core_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate emu_src_per_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate emu_src_mpu_rates[] = {
-	{ .div = 1, .val = 3, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 3, .flags = RATE_IN_343X },
 	{ .div = 0 },
 };
 
@@ -2995,7 +2995,7 @@ static struct clk emu_src_ck = {
 };
 
 static const struct clksel_rate pclk_emu_rates[] = {
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 3, .val = 3, .flags = RATE_IN_343X },
 	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
 	{ .div = 6, .val = 6, .flags = RATE_IN_343X },
@@ -3019,7 +3019,7 @@ static struct clk pclk_fck = {
 };
 
 static const struct clksel_rate pclkx2_emu_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 3, .val = 3, .flags = RATE_IN_343X },
 	{ .div = 0 },
@@ -3069,7 +3069,7 @@ static struct clk traceclk_src_fck = {
 };
 
 static const struct clksel_rate traceclk_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
 	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
 	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
 	{ .div = 0 },
diff --git a/arch/arm/mach-omap2/clock_common_data.c b/arch/arm/mach-omap2/clock_common_data.c
index f69096b88cd..6f96dc4ef25 100644
--- a/arch/arm/mach-omap2/clock_common_data.c
+++ b/arch/arm/mach-omap2/clock_common_data.c
@@ -20,18 +20,18 @@
 
 /* clksel_rate data common to 24xx/343x */
 const struct clksel_rate gpt_32k_rates[] = {
-	 { .div = 1, .val = 0, .flags = RATE_IN_24XX | RATE_IN_343X | DEFAULT_RATE },
+	 { .div = 1, .val = 0, .flags = RATE_IN_24XX | RATE_IN_343X },
 	 { .div = 0 }
 };
 
 const struct clksel_rate gpt_sys_rates[] = {
-	 { .div = 1, .val = 1, .flags = RATE_IN_24XX | RATE_IN_343X | DEFAULT_RATE },
+	 { .div = 1, .val = 1, .flags = RATE_IN_24XX | RATE_IN_343X },
 	 { .div = 0 }
 };
 
 const struct clksel_rate gfx_l3_rates[] = {
 	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | RATE_IN_343X | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | RATE_IN_343X },
 	{ .div = 3, .val = 3, .flags = RATE_IN_243X | RATE_IN_343X },
 	{ .div = 4, .val = 4, .flags = RATE_IN_243X | RATE_IN_343X },
 	{ .div = 0 }
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 34f7fa9ad4c..9c551d676c6 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -196,13 +196,12 @@ extern struct clk dummy_ck;
 #define INVERT_ENABLE		(1 << 4)	/* 0 enables, 1 disables */
 
 /* Clksel_rate flags */
-#define DEFAULT_RATE		(1 << 0)
-#define RATE_IN_242X		(1 << 1)
-#define RATE_IN_243X		(1 << 2)
-#define RATE_IN_343X		(1 << 3)	/* rates common to all 343X */
-#define RATE_IN_3430ES2		(1 << 4)	/* 3430ES2 rates only */
-#define RATE_IN_36XX		(1 << 5)
-#define RATE_IN_4430		(1 << 6)
+#define RATE_IN_242X		(1 << 0)
+#define RATE_IN_243X		(1 << 1)
+#define RATE_IN_343X		(1 << 2)	/* rates common to all 343X */
+#define RATE_IN_3430ES2		(1 << 3)	/* 3430ES2 rates only */
+#define RATE_IN_36XX		(1 << 4)
+#define RATE_IN_4430		(1 << 5)
 
 #define RATE_IN_24XX		(RATE_IN_242X | RATE_IN_243X)
 

From 435699db6a3d81bfd36d25150177399a4f6048d5 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 18:40:24 -0600
Subject: [PATCH 2368/3638] OMAP2+ clock: clean up clkt_clksel.c

This patch cleans up arch/arm/mach-omap2/clkt_clksel.c.  It:

- makes several functions static that are not called outside the file;

- adds documentation;

- makes some code paths easier to read (hopefully), by breaking up
  compound statements and removing redundant checks;

- converts some pr_err()s that indicate clock tree data problems into WARN()s,
  so they are more likely to be noticed;

- and moves omap2_clk_round_rate() back into mach-omap2/clock.c, its proper
  home, since it is not clksel-specific.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/clkt_clksel.c | 493 +++++++++++++++++-------------
 arch/arm/mach-omap2/clock.c       |   9 +
 arch/arm/mach-omap2/clock.h       |  11 +-
 3 files changed, 301 insertions(+), 212 deletions(-)

diff --git a/arch/arm/mach-omap2/clkt_clksel.c b/arch/arm/mach-omap2/clkt_clksel.c
index 9a23aebeea7..a781cd6795a 100644
--- a/arch/arm/mach-omap2/clkt_clksel.c
+++ b/arch/arm/mach-omap2/clkt_clksel.c
@@ -12,8 +12,26 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
- * XXX At some point these clksel clocks should be split into
- * "divider" clocks and "mux" clocks to better match the hardware.
+ *
+ * clksel clocks are clocks that do not have a fixed parent, or that
+ * can divide their parent's rate, or possibly both at the same time, based
+ * on the contents of a hardware register bitfield.
+ *
+ * All of the various mux and divider settings can be encoded into
+ * struct clksel* data structures, and then these can be autogenerated
+ * from some hardware database for each new chip generation.  This
+ * should avoid the need to write, review, and validate a lot of new
+ * clock code for each new chip, since it can be exported from the SoC
+ * design flow.  This is now done on OMAP4.
+ *
+ * The fusion of mux and divider clocks is a software creation.  In
+ * hardware reality, the multiplexer (parent selection) and the
+ * divider exist separately.  XXX At some point these clksel clocks
+ * should be split into "divider" clocks and "mux" clocks to better
+ * match the hardware.
+ *
+ * (The name "clksel" comes from the name of the corresponding
+ * register field in the OMAP2/3 family of SoCs.)
  *
  * XXX Currently these clocks are only used in the OMAP2/3/4 code, but
  * many of the OMAP1 clocks should be convertible to use this
@@ -29,14 +47,11 @@
 #include <plat/clock.h>
 
 #include "clock.h"
-#include "cm.h"
-#include "cm-regbits-24xx.h"
-#include "cm-regbits-34xx.h"
 
 /* Private functions */
 
 /**
- * _omap2_get_clksel_by_parent - return clksel struct for a given clk & parent
+ * _get_clksel_by_parent() - return clksel struct for a given clk & parent
  * @clk: OMAP struct clk ptr to inspect
  * @src_clk: OMAP struct clk ptr of the parent clk to search for
  *
@@ -44,23 +59,19 @@
  * the element associated with the supplied parent clock address.
  * Returns a pointer to the struct clksel on success or NULL on error.
  */
-static const struct clksel *_omap2_get_clksel_by_parent(struct clk *clk,
-							struct clk *src_clk)
+static const struct clksel *_get_clksel_by_parent(struct clk *clk,
+						  struct clk *src_clk)
 {
 	const struct clksel *clks;
 
-	if (!clk->clksel)
-		return NULL;
-
-	for (clks = clk->clksel; clks->parent; clks++) {
+	for (clks = clk->clksel; clks->parent; clks++)
 		if (clks->parent == src_clk)
 			break; /* Found the requested parent */
-	}
 
 	if (!clks->parent) {
-		printk(KERN_ERR "clock: Could not find parent clock %s in "
-		       "clksel array of clock %s\n", src_clk->name,
-		       clk->name);
+		/* This indicates a data problem */
+		WARN(1, "clock: Could not find parent clock %s in clksel array "
+		     "of clock %s\n", src_clk->name, clk->name);
 		return NULL;
 	}
 
@@ -68,7 +79,7 @@ static const struct clksel *_omap2_get_clksel_by_parent(struct clk *clk,
 }
 
 /**
- * _omap2_clksel_get_src_field - find the new clksel divisor to use
+ * _get_div_and_fieldval() - find the new clksel divisor and field value to use
  * @src_clk: planned new parent struct clk *
  * @clk: struct clk * that is being reparented
  * @field_val: pointer to a u32 to contain the register data for the divisor
@@ -82,14 +93,14 @@ static const struct clksel *_omap2_get_clksel_by_parent(struct clk *clk,
  * success (in this latter case, the corresponding register bitfield
  * value is passed back in the variable pointed to by @field_val)
  */
-static u8 _omap2_clksel_get_src_field(struct clk *src_clk, struct clk *clk,
-				      u32 *field_val)
+static u8 _get_div_and_fieldval(struct clk *src_clk, struct clk *clk,
+				u32 *field_val)
 {
 	const struct clksel *clks;
 	const struct clksel_rate *clkr, *max_clkr;
 	u8 max_div = 0;
 
-	clks = _omap2_get_clksel_by_parent(clk, src_clk);
+	clks = _get_clksel_by_parent(clk, src_clk);
 	if (!clks)
 		return 0;
 
@@ -113,9 +124,9 @@ static u8 _omap2_clksel_get_src_field(struct clk *src_clk, struct clk *clk,
 	}
 
 	if (max_div == 0) {
-		WARN(1, "clock: Could not find divisor for "
-		       "clock %s parent %s\n", clk->name,
-		       src_clk->parent->name);
+		/* This indicates an error in the clksel data */
+		WARN(1, "clock: Could not find divisor for clock %s parent %s"
+		     "\n", clk->name, src_clk->parent->name);
 		return 0;
 	}
 
@@ -124,82 +135,141 @@ static u8 _omap2_clksel_get_src_field(struct clk *src_clk, struct clk *clk,
 	return max_div;
 }
 
+/**
+ * _write_clksel_reg() - program a clock's clksel register in hardware
+ * @clk: struct clk * to program
+ * @v: clksel bitfield value to program (with LSB at bit 0)
+ *
+ * Shift the clksel register bitfield value @v to its appropriate
+ * location in the clksel register and write it in.  This function
+ * will ensure that the write to the clksel_reg reaches its
+ * destination before returning -- important since PRM and CM register
+ * accesses can be quite slow compared to ARM cycles -- but does not
+ * take into account any time the hardware might take to switch the
+ * clock source.
+ */
+static void _write_clksel_reg(struct clk *clk, u32 field_val)
+{
+	u32 v;
+
+	v = __raw_readl(clk->clksel_reg);
+	v &= ~clk->clksel_mask;
+	v |= field_val << __ffs(clk->clksel_mask);
+	__raw_writel(v, clk->clksel_reg);
+
+	v = __raw_readl(clk->clksel_reg); /* OCP barrier */
+}
+
+/**
+ * _clksel_to_divisor() - turn clksel field value into integer divider
+ * @clk: OMAP struct clk to use
+ * @field_val: register field value to find
+ *
+ * Given a struct clk of a rate-selectable clksel clock, and a register field
+ * value to search for, find the corresponding clock divisor.  The register
+ * field value should be pre-masked and shifted down so the LSB is at bit 0
+ * before calling.  Returns 0 on error or returns the actual integer divisor
+ * upon success.
+ */
+static u32 _clksel_to_divisor(struct clk *clk, u32 field_val)
+{
+	const struct clksel *clks;
+	const struct clksel_rate *clkr;
+
+	clks = _get_clksel_by_parent(clk, clk->parent);
+	if (!clks)
+		return 0;
+
+	for (clkr = clks->rates; clkr->div; clkr++) {
+		if (!(clkr->flags & cpu_mask))
+			continue;
+
+		if (clkr->val == field_val)
+			break;
+	}
+
+	if (!clkr->div) {
+		/* This indicates a data error */
+		WARN(1, "clock: Could not find fieldval %d for clock %s parent "
+		     "%s\n", field_val, clk->name, clk->parent->name);
+		return 0;
+	}
+
+	return clkr->div;
+}
+
+/**
+ * _divisor_to_clksel() - turn clksel integer divisor into a field value
+ * @clk: OMAP struct clk to use
+ * @div: integer divisor to search for
+ *
+ * Given a struct clk of a rate-selectable clksel clock, and a clock
+ * divisor, find the corresponding register field value.  Returns the
+ * register field value _before_ left-shifting (i.e., LSB is at bit
+ * 0); or returns 0xFFFFFFFF (~0) upon error.
+ */
+static u32 _divisor_to_clksel(struct clk *clk, u32 div)
+{
+	const struct clksel *clks;
+	const struct clksel_rate *clkr;
+
+	/* should never happen */
+	WARN_ON(div == 0);
+
+	clks = _get_clksel_by_parent(clk, clk->parent);
+	if (!clks)
+		return ~0;
+
+	for (clkr = clks->rates; clkr->div; clkr++) {
+		if (!(clkr->flags & cpu_mask))
+			continue;
+
+		if (clkr->div == div)
+			break;
+	}
+
+	if (!clkr->div) {
+		pr_err("clock: Could not find divisor %d for clock %s parent "
+		       "%s\n", div, clk->name, clk->parent->name);
+		return ~0;
+	}
+
+	return clkr->val;
+}
+
+/**
+ * _read_divisor() - get current divisor applied to parent clock (from hdwr)
+ * @clk: OMAP struct clk to use.
+ *
+ * Read the current divisor register value for @clk that is programmed
+ * into the hardware, convert it into the actual divisor value, and
+ * return it; or return 0 on error.
+ */
+static u32 _read_divisor(struct clk *clk)
+{
+	u32 v;
+
+	if (!clk->clksel || !clk->clksel_mask)
+		return 0;
+
+	v = __raw_readl(clk->clksel_reg);
+	v &= clk->clksel_mask;
+	v >>= __ffs(clk->clksel_mask);
+
+	return _clksel_to_divisor(clk, v);
+}
 
 /* Public functions */
 
 /**
- * omap2_init_clksel_parent - set a clksel clk's parent field from the hardware
- * @clk: OMAP clock struct ptr to use
- *
- * Given a pointer to a source-selectable struct clk, read the hardware
- * register and determine what its parent is currently set to.  Update the
- * clk->parent field with the appropriate clk ptr.
- */
-void omap2_init_clksel_parent(struct clk *clk)
-{
-	const struct clksel *clks;
-	const struct clksel_rate *clkr;
-	u32 r, found = 0;
-
-	if (!clk->clksel)
-		return;
-
-	r = __raw_readl(clk->clksel_reg) & clk->clksel_mask;
-	r >>= __ffs(clk->clksel_mask);
-
-	for (clks = clk->clksel; clks->parent && !found; clks++) {
-		for (clkr = clks->rates; clkr->div && !found; clkr++) {
-			if ((clkr->flags & cpu_mask) && (clkr->val == r)) {
-				if (clk->parent != clks->parent) {
-					pr_debug("clock: inited %s parent "
-						 "to %s (was %s)\n",
-						 clk->name, clks->parent->name,
-						 ((clk->parent) ?
-						  clk->parent->name : "NULL"));
-					clk_reparent(clk, clks->parent);
-				};
-				found = 1;
-			}
-		}
-	}
-
-	if (!found)
-		printk(KERN_ERR "clock: init parent: could not find "
-		       "regval %0x for clock %s\n", r,  clk->name);
-
-	return;
-}
-
-/*
- * Used for clocks that are part of CLKSEL_xyz governed clocks.
- * REVISIT: Maybe change to use clk->enable() functions like on omap1?
- */
-unsigned long omap2_clksel_recalc(struct clk *clk)
-{
-	unsigned long rate;
-	u32 div = 0;
-
-	pr_debug("clock: recalc'ing clksel clk %s\n", clk->name);
-
-	div = omap2_clksel_get_divisor(clk);
-	if (div == 0)
-		return clk->rate;
-
-	rate = clk->parent->rate / div;
-
-	pr_debug("clock: new clock rate is %ld (div %d)\n", rate, div);
-
-	return rate;
-}
-
-/**
- * omap2_clksel_round_rate_div - find divisor for the given clock and rate
+ * omap2_clksel_round_rate_div() - find divisor for the given clock and rate
  * @clk: OMAP struct clk to use
  * @target_rate: desired clock rate
  * @new_div: ptr to where we should store the divisor
  *
  * Finds 'best' divider value in an array based on the source and target
  * rates.  The divider array must be sorted with smallest divider first.
+ * This function is also used by the DPLL3 M2 divider code.
  *
  * Returns the rounded clock rate or returns 0xffffffff on error.
  */
@@ -211,12 +281,15 @@ u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate,
 	const struct clksel_rate *clkr;
 	u32 last_div = 0;
 
+	if (!clk->clksel || !clk->clksel_mask)
+		return ~0;
+
 	pr_debug("clock: clksel_round_rate_div: %s target_rate %ld\n",
 		 clk->name, target_rate);
 
 	*new_div = 1;
 
-	clks = _omap2_get_clksel_by_parent(clk, clk->parent);
+	clks = _get_clksel_by_parent(clk, clk->parent);
 	if (!clks)
 		return ~0;
 
@@ -252,16 +325,92 @@ u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate,
 	return clk->parent->rate / clkr->div;
 }
 
+/*
+ * Clocktype interface functions to the OMAP clock code
+ * (i.e., those used in struct clk field function pointers, etc.)
+ */
+
 /**
- * omap2_clksel_round_rate - find rounded rate for the given clock and rate
+ * omap2_init_clksel_parent() - set a clksel clk's parent field from the hdwr
+ * @clk: OMAP clock struct ptr to use
+ *
+ * Given a pointer @clk to a source-selectable struct clk, read the
+ * hardware register and determine what its parent is currently set
+ * to.  Update @clk's .parent field with the appropriate clk ptr.  No
+ * return value.
+ */
+void omap2_init_clksel_parent(struct clk *clk)
+{
+	const struct clksel *clks;
+	const struct clksel_rate *clkr;
+	u32 r, found = 0;
+
+	if (!clk->clksel || !clk->clksel_mask)
+		return;
+
+	r = __raw_readl(clk->clksel_reg) & clk->clksel_mask;
+	r >>= __ffs(clk->clksel_mask);
+
+	for (clks = clk->clksel; clks->parent && !found; clks++) {
+		for (clkr = clks->rates; clkr->div && !found; clkr++) {
+			if (!(clkr->flags & cpu_mask))
+				continue;
+
+			if (clkr->val == r) {
+				if (clk->parent != clks->parent) {
+					pr_debug("clock: inited %s parent "
+						 "to %s (was %s)\n",
+						 clk->name, clks->parent->name,
+						 ((clk->parent) ?
+						  clk->parent->name : "NULL"));
+					clk_reparent(clk, clks->parent);
+				};
+				found = 1;
+			}
+		}
+	}
+
+	/* This indicates a data error */
+	WARN(!found, "clock: %s: init parent: could not find regval %0x\n",
+	     clk->name, r);
+
+	return;
+}
+
+/**
+ * omap2_clksel_recalc() - function ptr to pass via struct clk .recalc field
+ * @clk: struct clk *
+ *
+ * This function is intended to be called only by the clock framework.
+ * Each clksel clock should have its struct clk .recalc field set to this
+ * function.  Returns the clock's current rate, based on its parent's rate
+ * and its current divisor setting in the hardware.
+ */
+unsigned long omap2_clksel_recalc(struct clk *clk)
+{
+	unsigned long rate;
+	u32 div = 0;
+
+	div = _read_divisor(clk);
+	if (div == 0)
+		return clk->rate;
+
+	rate = clk->parent->rate / div;
+
+	pr_debug("clock: %s: recalc'd rate is %ld (div %d)\n", clk->name,
+		 rate, div);
+
+	return rate;
+}
+
+/**
+ * omap2_clksel_round_rate() - find rounded rate for the given clock and rate
  * @clk: OMAP struct clk to use
  * @target_rate: desired clock rate
  *
- * Compatibility wrapper for OMAP clock framework
+ * This function is intended to be called only by the clock framework.
  * Finds best target rate based on the source clock and possible dividers.
  * rates. The divider array must be sorted with smallest divider first.
- * Note that this will not work for clocks which are part of CONFIG_PARTICIPANT,
- * they are only settable as part of virtual_prcm set.
  *
  * Returns the rounded clock rate or returns 0xffffffff on error.
  */
@@ -272,148 +421,78 @@ long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate)
 	return omap2_clksel_round_rate_div(clk, target_rate, &new_div);
 }
 
-
-/* Given a clock and a rate apply a clock specific rounding function */
-long omap2_clk_round_rate(struct clk *clk, unsigned long rate)
-{
-	if (clk->round_rate)
-		return clk->round_rate(clk, rate);
-
-	return clk->rate;
-}
-
 /**
- * omap2_clksel_to_divisor() - turn clksel field value into integer divider
- * @clk: OMAP struct clk to use
- * @field_val: register field value to find
+ * omap2_clksel_set_rate() - program clock rate in hardware
+ * @clk: struct clk * to program rate
+ * @rate: target rate to program
  *
- * Given a struct clk of a rate-selectable clksel clock, and a register field
- * value to search for, find the corresponding clock divisor.  The register
- * field value should be pre-masked and shifted down so the LSB is at bit 0
- * before calling.  Returns 0 on error
+ * This function is intended to be called only by the clock framework.
+ * Program @clk's rate to @rate in the hardware.  The clock can be
+ * either enabled or disabled when this happens, although if the clock
+ * is enabled, some downstream devices may glitch or behave
+ * unpredictably when the clock rate is changed - this depends on the
+ * hardware. This function does not currently check the usecount of
+ * the clock, so if multiple drivers are using the clock, and the rate
+ * is changed, they will all be affected without any notification.
+ * Returns -EINVAL upon error, or 0 upon success.
  */
-u32 omap2_clksel_to_divisor(struct clk *clk, u32 field_val)
-{
-	const struct clksel *clks;
-	const struct clksel_rate *clkr;
-
-	clks = _omap2_get_clksel_by_parent(clk, clk->parent);
-	if (!clks)
-		return 0;
-
-	for (clkr = clks->rates; clkr->div; clkr++) {
-		if ((clkr->flags & cpu_mask) && (clkr->val == field_val))
-			break;
-	}
-
-	if (!clkr->div) {
-		printk(KERN_ERR "clock: Could not find fieldval %d for "
-		       "clock %s parent %s\n", field_val, clk->name,
-		       clk->parent->name);
-		return 0;
-	}
-
-	return clkr->div;
-}
-
-/**
- * omap2_divisor_to_clksel() - turn clksel integer divisor into a field value
- * @clk: OMAP struct clk to use
- * @div: integer divisor to search for
- *
- * Given a struct clk of a rate-selectable clksel clock, and a clock divisor,
- * find the corresponding register field value.  The return register value is
- * the value before left-shifting.  Returns ~0 on error
- */
-u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
-{
-	const struct clksel *clks;
-	const struct clksel_rate *clkr;
-
-	/* should never happen */
-	WARN_ON(div == 0);
-
-	clks = _omap2_get_clksel_by_parent(clk, clk->parent);
-	if (!clks)
-		return ~0;
-
-	for (clkr = clks->rates; clkr->div; clkr++) {
-		if ((clkr->flags & cpu_mask) && (clkr->div == div))
-			break;
-	}
-
-	if (!clkr->div) {
-		printk(KERN_ERR "clock: Could not find divisor %d for "
-		       "clock %s parent %s\n", div, clk->name,
-		       clk->parent->name);
-		return ~0;
-	}
-
-	return clkr->val;
-}
-
-/**
- * omap2_clksel_get_divisor - get current divider applied to parent clock.
- * @clk: OMAP struct clk to use.
- *
- * Returns the integer divisor upon success or 0 on error.
- */
-u32 omap2_clksel_get_divisor(struct clk *clk)
-{
-	u32 v;
-
-	if (!clk->clksel_mask)
-		return 0;
-
-	v = __raw_readl(clk->clksel_reg) & clk->clksel_mask;
-	v >>= __ffs(clk->clksel_mask);
-
-	return omap2_clksel_to_divisor(clk, v);
-}
-
 int omap2_clksel_set_rate(struct clk *clk, unsigned long rate)
 {
-	u32 v, field_val, validrate, new_div = 0;
+	u32 field_val, validrate, new_div = 0;
 
-	if (!clk->clksel_mask)
+	if (!clk->clksel || !clk->clksel_mask)
 		return -EINVAL;
 
 	validrate = omap2_clksel_round_rate_div(clk, rate, &new_div);
 	if (validrate != rate)
 		return -EINVAL;
 
-	field_val = omap2_divisor_to_clksel(clk, new_div);
+	field_val = _divisor_to_clksel(clk, new_div);
 	if (field_val == ~0)
 		return -EINVAL;
 
-	v = __raw_readl(clk->clksel_reg);
-	v &= ~clk->clksel_mask;
-	v |= field_val << __ffs(clk->clksel_mask);
-	__raw_writel(v, clk->clksel_reg);
-	v = __raw_readl(clk->clksel_reg); /* OCP barrier */
+	_write_clksel_reg(clk, field_val);
 
 	clk->rate = clk->parent->rate / new_div;
 
+	pr_debug("clock: %s: set rate to %ld\n", clk->name, clk->rate);
+
 	return 0;
 }
 
+/*
+ * Clksel parent setting function - not passed in struct clk function
+ * pointer - instead, the OMAP clock code currently assumes that any
+ * parent-setting clock is a clksel clock, and calls
+ * omap2_clksel_set_parent() by default
+ */
+
+/**
+ * omap2_clksel_set_parent() - change a clock's parent clock
+ * @clk: struct clk * of the child clock
+ * @new_parent: struct clk * of the new parent clock
+ *
+ * This function is intended to be called only by the clock framework.
+ * Change the parent clock of clock @clk to @new_parent.  This is
+ * intended to be used while @clk is disabled.  This function does not
+ * currently check the usecount of the clock, so if multiple drivers
+ * are using the clock, and the parent is changed, they will all be
+ * affected without any notification.  Returns -EINVAL upon error, or
+ * 0 upon success.
+ */
 int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent)
 {
-	u32 field_val, v, parent_div;
+	u32 field_val = 0;
+	u32 parent_div;
 
 	if (!clk->clksel || !clk->clksel_mask)
 		return -EINVAL;
 
-	parent_div = _omap2_clksel_get_src_field(new_parent, clk, &field_val);
+	parent_div = _get_div_and_fieldval(new_parent, clk, &field_val);
 	if (!parent_div)
 		return -EINVAL;
 
-	/* Set new source value (previous dividers if any in effect) */
-	v = __raw_readl(clk->clksel_reg);
-	v &= ~clk->clksel_mask;
-	v |= field_val << __ffs(clk->clksel_mask);
-	__raw_writel(v, clk->clksel_reg);
-	v = __raw_readl(clk->clksel_reg);    /* OCP barrier */
+	_write_clksel_reg(clk, field_val);
 
 	clk_reparent(clk, new_parent);
 
@@ -423,7 +502,7 @@ int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent)
 	if (parent_div > 0)
 		clk->rate /= parent_div;
 
-	pr_debug("clock: set parent of %s to %s (new rate %ld)\n",
+	pr_debug("clock: %s: set parent to %s (new rate %ld)\n",
 		 clk->name, clk->parent->name, clk->rate);
 
 	return 0;
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index a6d0b34b799..605f531783a 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -334,6 +334,15 @@ oce_err1:
 	return ret;
 }
 
+/* Given a clock and a rate apply a clock specific rounding function */
+long omap2_clk_round_rate(struct clk *clk, unsigned long rate)
+{
+	if (clk->round_rate)
+		return clk->round_rate(clk, rate);
+
+	return clk->rate;
+}
+
 /* Set the clock rate for a clock source */
 int omap2_clk_set_rate(struct clk *clk, unsigned long rate)
 {
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index ad8a1f7c1af..a535c7a2a62 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -73,19 +73,20 @@ void omap2_clk_disable_unused(struct clk *clk);
 #define omap2_clk_disable_unused	NULL
 #endif
 
-unsigned long omap2_clksel_recalc(struct clk *clk);
 void omap2_init_clk_clkdm(struct clk *clk);
-void omap2_init_clksel_parent(struct clk *clk);
-u32 omap2_clksel_get_divisor(struct clk *clk);
+
+/* clkt_clksel.c public functions */
 u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate,
 				u32 *new_div);
-u32 omap2_clksel_to_divisor(struct clk *clk, u32 field_val);
-u32 omap2_divisor_to_clksel(struct clk *clk, u32 div);
+void omap2_init_clksel_parent(struct clk *clk);
+unsigned long omap2_clksel_recalc(struct clk *clk);
 long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate);
 int omap2_clksel_set_rate(struct clk *clk, unsigned long rate);
 int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent);
+
 u32 omap2_get_dpll_rate(struct clk *clk);
 void omap2_init_dpll_parent(struct clk *clk);
+
 int omap2_wait_clock_ready(void __iomem *reg, u32 cval, const char *name);
 
 

From 63405360fc8973d28e1c7c0f8e0fc77338a6ce23 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 18:40:25 -0600
Subject: [PATCH 2369/3638] OMAP3 clock: rename RATE_IN_343X, RATE_IN_3430ES2
 to match reality

Rename the RATE_IN_343X clksel_rate.rate flag to be RATE_IN_3XXX, to reflect
that these rates are valid on all OMAP3 platforms, not just 343X.

Also rename the RATE_IN_OMAP3430ES2 clksel_rate.rate flag to be
RATE_IN_OMAP3430ES2PLUS, to reflect that these flags are valid on all
OMAP3 platforms after 3430ES2.

This patch should not result in any functional changes.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Ranjith Lohithakshan <ranjithl@ti.com>
---
 arch/arm/mach-omap2/clock3xxx_data.c    | 237 ++++++++++++------------
 arch/arm/mach-omap2/clock_common_data.c |  12 +-
 arch/arm/plat-omap/include/plat/clock.h |   3 +-
 3 files changed, 127 insertions(+), 125 deletions(-)

diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 80a12acdf9f..1c564c98227 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -110,32 +110,32 @@ static struct clk virt_38_4m_ck = {
 };
 
 static const struct clksel_rate osc_sys_12m_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 0, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_13m_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_16_8m_rates[] = {
-	{ .div = 1, .val = 5, .flags = RATE_IN_3430ES2 },
+	{ .div = 1, .val = 5, .flags = RATE_IN_3430ES2PLUS },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_19_2m_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 2, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_26m_rates[] = {
-	{ .div = 1, .val = 3, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 3, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate osc_sys_38_4m_rates[] = {
-	{ .div = 1, .val = 4, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 4, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -163,8 +163,8 @@ static struct clk osc_sys_ck = {
 };
 
 static const struct clksel_rate div2_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -213,22 +213,22 @@ static struct clk sys_clkout1 = {
 /* CM CLOCKS */
 
 static const struct clksel_rate div16_dpll_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
-	{ .div = 3, .val = 3, .flags = RATE_IN_343X },
-	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
-	{ .div = 5, .val = 5, .flags = RATE_IN_343X },
-	{ .div = 6, .val = 6, .flags = RATE_IN_343X },
-	{ .div = 7, .val = 7, .flags = RATE_IN_343X },
-	{ .div = 8, .val = 8, .flags = RATE_IN_343X },
-	{ .div = 9, .val = 9, .flags = RATE_IN_343X },
-	{ .div = 10, .val = 10, .flags = RATE_IN_343X },
-	{ .div = 11, .val = 11, .flags = RATE_IN_343X },
-	{ .div = 12, .val = 12, .flags = RATE_IN_343X },
-	{ .div = 13, .val = 13, .flags = RATE_IN_343X },
-	{ .div = 14, .val = 14, .flags = RATE_IN_343X },
-	{ .div = 15, .val = 15, .flags = RATE_IN_343X },
-	{ .div = 16, .val = 16, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_3XXX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_3XXX },
+	{ .div = 5, .val = 5, .flags = RATE_IN_3XXX },
+	{ .div = 6, .val = 6, .flags = RATE_IN_3XXX },
+	{ .div = 7, .val = 7, .flags = RATE_IN_3XXX },
+	{ .div = 8, .val = 8, .flags = RATE_IN_3XXX },
+	{ .div = 9, .val = 9, .flags = RATE_IN_3XXX },
+	{ .div = 10, .val = 10, .flags = RATE_IN_3XXX },
+	{ .div = 11, .val = 11, .flags = RATE_IN_3XXX },
+	{ .div = 12, .val = 12, .flags = RATE_IN_3XXX },
+	{ .div = 13, .val = 13, .flags = RATE_IN_3XXX },
+	{ .div = 14, .val = 14, .flags = RATE_IN_3XXX },
+	{ .div = 15, .val = 15, .flags = RATE_IN_3XXX },
+	{ .div = 16, .val = 16, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -450,37 +450,37 @@ static struct clk dpll3_x2_ck = {
 };
 
 static const struct clksel_rate div31_dpll3_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
-	{ .div = 3, .val = 3, .flags = RATE_IN_3430ES2 },
-	{ .div = 4, .val = 4, .flags = RATE_IN_3430ES2 },
-	{ .div = 5, .val = 5, .flags = RATE_IN_3430ES2 },
-	{ .div = 6, .val = 6, .flags = RATE_IN_3430ES2 },
-	{ .div = 7, .val = 7, .flags = RATE_IN_3430ES2 },
-	{ .div = 8, .val = 8, .flags = RATE_IN_3430ES2 },
-	{ .div = 9, .val = 9, .flags = RATE_IN_3430ES2 },
-	{ .div = 10, .val = 10, .flags = RATE_IN_3430ES2 },
-	{ .div = 11, .val = 11, .flags = RATE_IN_3430ES2 },
-	{ .div = 12, .val = 12, .flags = RATE_IN_3430ES2 },
-	{ .div = 13, .val = 13, .flags = RATE_IN_3430ES2 },
-	{ .div = 14, .val = 14, .flags = RATE_IN_3430ES2 },
-	{ .div = 15, .val = 15, .flags = RATE_IN_3430ES2 },
-	{ .div = 16, .val = 16, .flags = RATE_IN_3430ES2 },
-	{ .div = 17, .val = 17, .flags = RATE_IN_3430ES2 },
-	{ .div = 18, .val = 18, .flags = RATE_IN_3430ES2 },
-	{ .div = 19, .val = 19, .flags = RATE_IN_3430ES2 },
-	{ .div = 20, .val = 20, .flags = RATE_IN_3430ES2 },
-	{ .div = 21, .val = 21, .flags = RATE_IN_3430ES2 },
-	{ .div = 22, .val = 22, .flags = RATE_IN_3430ES2 },
-	{ .div = 23, .val = 23, .flags = RATE_IN_3430ES2 },
-	{ .div = 24, .val = 24, .flags = RATE_IN_3430ES2 },
-	{ .div = 25, .val = 25, .flags = RATE_IN_3430ES2 },
-	{ .div = 26, .val = 26, .flags = RATE_IN_3430ES2 },
-	{ .div = 27, .val = 27, .flags = RATE_IN_3430ES2 },
-	{ .div = 28, .val = 28, .flags = RATE_IN_3430ES2 },
-	{ .div = 29, .val = 29, .flags = RATE_IN_3430ES2 },
-	{ .div = 30, .val = 30, .flags = RATE_IN_3430ES2 },
-	{ .div = 31, .val = 31, .flags = RATE_IN_3430ES2 },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 4, .val = 4, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 5, .val = 5, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 6, .val = 6, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 7, .val = 7, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 8, .val = 8, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 9, .val = 9, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 10, .val = 10, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 11, .val = 11, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 12, .val = 12, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 13, .val = 13, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 14, .val = 14, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 15, .val = 15, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 16, .val = 16, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 17, .val = 17, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 18, .val = 18, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 19, .val = 19, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 20, .val = 20, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 21, .val = 21, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 22, .val = 22, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 23, .val = 23, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 24, .val = 24, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 25, .val = 25, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 26, .val = 26, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 27, .val = 27, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 28, .val = 28, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 29, .val = 29, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 30, .val = 30, .flags = RATE_IN_3430ES2PLUS },
+	{ .div = 31, .val = 31, .flags = RATE_IN_3430ES2PLUS },
 	{ .div = 0 },
 };
 
@@ -708,12 +708,12 @@ static const struct clksel omap_96m_alwon_fck_clksel[] = {
 };
 
 static const struct clksel_rate omap_96m_dpll_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 0, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate omap_96m_sys_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -799,12 +799,12 @@ static struct clk dpll4_m3x2_ck = {
 };
 
 static const struct clksel_rate omap_54m_d4m3x2_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 0, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate omap_54m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -825,12 +825,12 @@ static struct clk omap_54m_fck = {
 };
 
 static const struct clksel_rate omap_48m_cm96m_rates[] = {
-	{ .div = 2, .val = 0, .flags = RATE_IN_343X },
+	{ .div = 2, .val = 0, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate omap_48m_alt_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -1049,22 +1049,22 @@ static struct clk dpll5_m2_ck = {
 /* CM EXTERNAL CLOCK OUTPUTS */
 
 static const struct clksel_rate clkout2_src_core_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 0, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate clkout2_src_sys_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate clkout2_src_96m_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 2, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate clkout2_src_54m_rates[] = {
-	{ .div = 1, .val = 3, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 3, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -1090,11 +1090,11 @@ static struct clk clkout2_src_ck = {
 };
 
 static const struct clksel_rate sys_clkout2_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 4, .val = 2, .flags = RATE_IN_343X },
-	{ .div = 8, .val = 3, .flags = RATE_IN_343X },
-	{ .div = 16, .val = 4, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 0, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 4, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 8, .val = 3, .flags = RATE_IN_3XXX },
+	{ .div = 16, .val = 4, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -1125,9 +1125,9 @@ static struct clk corex2_fck = {
 /* DPLL power domain clock controls */
 
 static const struct clksel_rate div4_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
-	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -1161,8 +1161,8 @@ static struct clk mpu_ck = {
 
 /* arm_fck is divided by two when DPLL1 locked; otherwise, passthrough mpu_ck */
 static const struct clksel_rate arm_fck_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 1, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 0, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 1, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -1333,9 +1333,9 @@ static struct clk gfx_cg2_ck = {
 
 static const struct clksel_rate sgx_core_rates[] = {
 	{ .div = 2, .val = 5, .flags = RATE_IN_36XX },
-	{ .div = 3, .val = 0, .flags = RATE_IN_343X },
-	{ .div = 4, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 6, .val = 2, .flags = RATE_IN_343X },
+	{ .div = 3, .val = 0, .flags = RATE_IN_3XXX },
+	{ .div = 4, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 6, .val = 2, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -1351,7 +1351,7 @@ static const struct clksel_rate sgx_corex2_rates[] = {
 };
 
 static const struct clksel_rate sgx_96m_rates[] = {
-	{ .div = 1,  .val = 3, .flags = RATE_IN_343X },
+	{ .div = 1,  .val = 3, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -1576,12 +1576,12 @@ static struct clk i2c1_fck = {
  * MCBSP 2, 3, 4 get their 96MHz clock from per_96m_fck.
  */
 static const struct clksel_rate common_mcbsp_96m_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 0, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
 static const struct clksel_rate common_mcbsp_mcbsp_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -1714,12 +1714,12 @@ static struct clk hdq_fck = {
 /* DPLL3-derived clock */
 
 static const struct clksel_rate ssi_ssr_corex2_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
-	{ .div = 3, .val = 3, .flags = RATE_IN_343X },
-	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
-	{ .div = 6, .val = 6, .flags = RATE_IN_343X },
-	{ .div = 8, .val = 8, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_3XXX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_3XXX },
+	{ .div = 6, .val = 6, .flags = RATE_IN_3XXX },
+	{ .div = 8, .val = 8, .flags = RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
@@ -2353,18 +2353,18 @@ static struct clk usbhost_ick = {
 /* WKUP */
 
 static const struct clksel_rate usim_96m_rates[] = {
-	{ .div = 2,  .val = 3, .flags = RATE_IN_343X },
-	{ .div = 4,  .val = 4, .flags = RATE_IN_343X },
-	{ .div = 8,  .val = 5, .flags = RATE_IN_343X },
-	{ .div = 10, .val = 6, .flags = RATE_IN_343X },
+	{ .div = 2,  .val = 3, .flags = RATE_IN_3XXX },
+	{ .div = 4,  .val = 4, .flags = RATE_IN_3XXX },
+	{ .div = 8,  .val = 5, .flags = RATE_IN_3XXX },
+	{ .div = 10, .val = 6, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate usim_120m_rates[] = {
-	{ .div = 4,  .val = 7,	.flags = RATE_IN_343X },
-	{ .div = 8,  .val = 8,	.flags = RATE_IN_343X },
-	{ .div = 16, .val = 9,	.flags = RATE_IN_343X },
-	{ .div = 20, .val = 10, .flags = RATE_IN_343X },
+	{ .div = 4,  .val = 7,	.flags = RATE_IN_3XXX },
+	{ .div = 8,  .val = 8,	.flags = RATE_IN_3XXX },
+	{ .div = 16, .val = 9,	.flags = RATE_IN_3XXX },
+	{ .div = 20, .val = 10, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -2951,22 +2951,22 @@ static struct clk mcbsp4_fck = {
 /* More information: ARM Cortex-A8 Technical Reference Manual, sect 10.1 */
 
 static const struct clksel_rate emu_src_sys_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 0, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate emu_src_core_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate emu_src_per_rates[] = {
-	{ .div = 1, .val = 2, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 2, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
 static const struct clksel_rate emu_src_mpu_rates[] = {
-	{ .div = 1, .val = 3, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 3, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -2995,10 +2995,10 @@ static struct clk emu_src_ck = {
 };
 
 static const struct clksel_rate pclk_emu_rates[] = {
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
-	{ .div = 3, .val = 3, .flags = RATE_IN_343X },
-	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
-	{ .div = 6, .val = 6, .flags = RATE_IN_343X },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_3XXX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_3XXX },
+	{ .div = 6, .val = 6, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -3019,9 +3019,9 @@ static struct clk pclk_fck = {
 };
 
 static const struct clksel_rate pclkx2_emu_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
-	{ .div = 3, .val = 3, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -3069,9 +3069,9 @@ static struct clk traceclk_src_fck = {
 };
 
 static const struct clksel_rate traceclk_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
-	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_3XXX },
 	{ .div = 0 },
 };
 
@@ -3488,14 +3488,8 @@ int __init omap3xxx_clk_init(void)
 	struct omap_clk *c;
 	u32 cpu_clkflg = CK_3XXX;
 
-	if (cpu_is_omap3517()) {
-		cpu_mask = RATE_IN_343X | RATE_IN_3430ES2;
-		cpu_clkflg |= CK_3517;
-	} else if (cpu_is_omap3505()) {
-		cpu_mask = RATE_IN_343X | RATE_IN_3430ES2;
-		cpu_clkflg |= CK_3505;
-	} else if (cpu_is_omap34xx()) {
-		cpu_mask = RATE_IN_343X;
+	if (cpu_is_omap34xx()) {
+		cpu_mask = RATE_IN_3XXX;
 		cpu_clkflg |= CK_343X;
 
 		/*
@@ -3506,10 +3500,17 @@ int __init omap3xxx_clk_init(void)
 			/* No 3430ES1-only rates exist, so no RATE_IN_3430ES1 */
 			cpu_clkflg |= CK_3430ES1;
 		} else {
-			cpu_mask |= RATE_IN_3430ES2;
+			cpu_mask |= RATE_IN_3430ES2PLUS;
 			cpu_clkflg |= CK_3430ES2;
 		}
+	} else if (cpu_is_omap3517()) {
+		cpu_mask = RATE_IN_3XXX | RATE_IN_3430ES2PLUS;
+		cpu_clkflg |= CK_3517;
+	} else if (cpu_is_omap3505()) {
+		cpu_mask = RATE_IN_3XXX | RATE_IN_3430ES2PLUS;
+		cpu_clkflg |= CK_3505;
 	}
+
 	if (omap3_has_192mhz_clk())
 		omap_96m_alwon_fck = omap_96m_alwon_fck_3630;
 
diff --git a/arch/arm/mach-omap2/clock_common_data.c b/arch/arm/mach-omap2/clock_common_data.c
index 6f96dc4ef25..1cf8131205f 100644
--- a/arch/arm/mach-omap2/clock_common_data.c
+++ b/arch/arm/mach-omap2/clock_common_data.c
@@ -20,20 +20,20 @@
 
 /* clksel_rate data common to 24xx/343x */
 const struct clksel_rate gpt_32k_rates[] = {
-	 { .div = 1, .val = 0, .flags = RATE_IN_24XX | RATE_IN_343X },
+	 { .div = 1, .val = 0, .flags = RATE_IN_24XX | RATE_IN_3XXX },
 	 { .div = 0 }
 };
 
 const struct clksel_rate gpt_sys_rates[] = {
-	 { .div = 1, .val = 1, .flags = RATE_IN_24XX | RATE_IN_343X },
+	 { .div = 1, .val = 1, .flags = RATE_IN_24XX | RATE_IN_3XXX },
 	 { .div = 0 }
 };
 
 const struct clksel_rate gfx_l3_rates[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | RATE_IN_343X },
-	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | RATE_IN_343X },
-	{ .div = 3, .val = 3, .flags = RATE_IN_243X | RATE_IN_343X },
-	{ .div = 4, .val = 4, .flags = RATE_IN_243X | RATE_IN_343X },
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | RATE_IN_3XXX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_243X | RATE_IN_3XXX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_243X | RATE_IN_3XXX },
 	{ .div = 0 }
 };
 
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 9c551d676c6..dfc472ca0cc 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -198,12 +198,13 @@ extern struct clk dummy_ck;
 /* Clksel_rate flags */
 #define RATE_IN_242X		(1 << 0)
 #define RATE_IN_243X		(1 << 1)
-#define RATE_IN_343X		(1 << 2)	/* rates common to all 343X */
+#define RATE_IN_3XXX		(1 << 2)	/* rates common to all OMAP3 */
 #define RATE_IN_3430ES2		(1 << 3)	/* 3430ES2 rates only */
 #define RATE_IN_36XX		(1 << 4)
 #define RATE_IN_4430		(1 << 5)
 
 #define RATE_IN_24XX		(RATE_IN_242X | RATE_IN_243X)
 
+#define RATE_IN_3430ES2PLUS	(RATE_IN_3430ES2 | RATE_IN_36XX)
 
 #endif

From 2a9f5a4d455aa88a03dac1dca8f686e3c21fc1b2 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 18:40:26 -0600
Subject: [PATCH 2370/3638] OMAP3 clock: remove unnecessary duplicate of
 dpll4_m2_ck, added for 36xx

Commit 678bc9a2eabb7f444ef8ad1cfc5ef394e2bd8bf2 split dpll4_m2_ck,
creating a 34xx and a 36xx variant, to handle the additional 16
divider steps provided on the 36xx.  This in turn required dynamic
rewriting of the clock tree during initialization, which is
undesirable.  All this seems to be unnecessary, though, since the
additional 16 divider steps can simply be marked with RATE_IN_36XX.
This patch does so and re-merges the affected structures.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Vishwanath Sripathy <vishwanath.bs@ti.com>
---
 arch/arm/mach-omap2/clock3xxx_data.c | 163 ++++++---------------------
 1 file changed, 36 insertions(+), 127 deletions(-)

diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 1c564c98227..5ab44b05528 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -232,23 +232,23 @@ static const struct clksel_rate div16_dpll_rates[] = {
 	{ .div = 0 }
 };
 
-static const struct clksel_rate div32_dpll4_rates_3630[] = {
-	{ .div = 1, .val = 1, .flags = RATE_IN_36XX },
-	{ .div = 2, .val = 2, .flags = RATE_IN_36XX },
-	{ .div = 3, .val = 3, .flags = RATE_IN_36XX },
-	{ .div = 4, .val = 4, .flags = RATE_IN_36XX },
-	{ .div = 5, .val = 5, .flags = RATE_IN_36XX },
-	{ .div = 6, .val = 6, .flags = RATE_IN_36XX },
-	{ .div = 7, .val = 7, .flags = RATE_IN_36XX },
-	{ .div = 8, .val = 8, .flags = RATE_IN_36XX },
-	{ .div = 9, .val = 9, .flags = RATE_IN_36XX },
-	{ .div = 10, .val = 10, .flags = RATE_IN_36XX },
-	{ .div = 11, .val = 11, .flags = RATE_IN_36XX },
-	{ .div = 12, .val = 12, .flags = RATE_IN_36XX },
-	{ .div = 13, .val = 13, .flags = RATE_IN_36XX },
-	{ .div = 14, .val = 14, .flags = RATE_IN_36XX },
-	{ .div = 15, .val = 15, .flags = RATE_IN_36XX },
-	{ .div = 16, .val = 16, .flags = RATE_IN_36XX },
+static const struct clksel_rate dpll4_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_3XXX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_3XXX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_3XXX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_3XXX },
+	{ .div = 5, .val = 5, .flags = RATE_IN_3XXX },
+	{ .div = 6, .val = 6, .flags = RATE_IN_3XXX },
+	{ .div = 7, .val = 7, .flags = RATE_IN_3XXX },
+	{ .div = 8, .val = 8, .flags = RATE_IN_3XXX },
+	{ .div = 9, .val = 9, .flags = RATE_IN_3XXX },
+	{ .div = 10, .val = 10, .flags = RATE_IN_3XXX },
+	{ .div = 11, .val = 11, .flags = RATE_IN_3XXX },
+	{ .div = 12, .val = 12, .flags = RATE_IN_3XXX },
+	{ .div = 13, .val = 13, .flags = RATE_IN_3XXX },
+	{ .div = 14, .val = 14, .flags = RATE_IN_3XXX },
+	{ .div = 15, .val = 15, .flags = RATE_IN_3XXX },
+	{ .div = 16, .val = 16, .flags = RATE_IN_3XXX },
 	{ .div = 17, .val = 17, .flags = RATE_IN_36XX },
 	{ .div = 18, .val = 18, .flags = RATE_IN_36XX },
 	{ .div = 19, .val = 19, .flags = RATE_IN_36XX },
@@ -562,6 +562,7 @@ static struct clk emu_core_alwon_ck = {
 /* Supplies 96MHz, 54Mhz TV DAC, DSS fclk, CAM sensor clock, emul trace clk */
 /* Type: DPLL */
 static struct dpll_data dpll4_dd;
+
 static struct dpll_data dpll4_dd_34xx __initdata = {
 	.mult_div1_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL2),
 	.mult_mask	= OMAP3430_PERIPH_DPLL_MULT_MASK,
@@ -632,39 +633,20 @@ static struct clk dpll4_x2_ck = {
 	.recalc		= &omap3_clkoutx2_recalc,
 };
 
-static const struct clksel div16_dpll4_clksel[] = {
-	{ .parent = &dpll4_ck, .rates = div16_dpll_rates },
-	{ .parent = NULL }
-};
-
-static const struct clksel div32_dpll4_clksel[] = {
-	{ .parent = &dpll4_ck, .rates = div32_dpll4_rates_3630 },
+static const struct clksel dpll4_clksel[] = {
+	{ .parent = &dpll4_ck, .rates = dpll4_rates },
 	{ .parent = NULL }
 };
 
 /* This virtual clock is the source for dpll4_m2x2_ck */
-static struct clk dpll4_m2_ck;
-
-static struct clk dpll4_m2_ck_34xx __initdata = {
-	.name		= "dpll4_m2_ck",
-	.ops		= &clkops_null,
-	.parent		= &dpll4_ck,
-	.init		= &omap2_init_clksel_parent,
-	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, OMAP3430_CM_CLKSEL3),
-	.clksel_mask	= OMAP3430_DIV_96M_MASK,
-	.clksel		= div16_dpll4_clksel,
-	.clkdm_name	= "dpll4_clkdm",
-	.recalc		= &omap2_clksel_recalc,
-};
-
-static struct clk dpll4_m2_ck_3630 __initdata  = {
+static struct clk dpll4_m2_ck = {
 	.name		= "dpll4_m2_ck",
 	.ops		= &clkops_null,
 	.parent		= &dpll4_ck,
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, OMAP3430_CM_CLKSEL3),
 	.clksel_mask	= OMAP3630_DIV_96M_MASK,
-	.clksel		= div32_dpll4_clksel,
+	.clksel		= dpll4_clksel,
 	.clkdm_name	= "dpll4_clkdm",
 	.recalc		= &omap2_clksel_recalc,
 };
@@ -760,28 +742,14 @@ static struct clk omap_96m_fck = {
 };
 
 /* This virtual clock is the source for dpll4_m3x2_ck */
-static struct clk dpll4_m3_ck;
-
-static struct clk dpll4_m3_ck_34xx __initdata = {
+static struct clk dpll4_m3_ck = {
 	.name		= "dpll4_m3_ck",
 	.ops		= &clkops_null,
 	.parent		= &dpll4_ck,
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
 	.clksel_mask	= OMAP3430_CLKSEL_TV_MASK,
-	.clksel		= div16_dpll4_clksel,
-	.clkdm_name	= "dpll4_clkdm",
-	.recalc		= &omap2_clksel_recalc,
-};
-
-static struct clk dpll4_m3_ck_3630 __initdata = {
-	.name		= "dpll4_m3_ck",
-	.ops		= &clkops_null,
-	.parent		= &dpll4_ck,
-	.init		= &omap2_init_clksel_parent,
-	.clksel_reg	= OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
-	.clksel_mask	= OMAP3630_CLKSEL_TV_MASK,
-	.clksel		= div32_dpll4_clksel,
+	.clksel		= dpll4_clksel,
 	.clkdm_name	= "dpll4_clkdm",
 	.recalc		= &omap2_clksel_recalc,
 };
@@ -858,31 +826,15 @@ static struct clk omap_12m_fck = {
 	.recalc		= &omap_fixed_divisor_recalc,
 };
 
-/* This virstual clock is the source for dpll4_m4x2_ck */
-static struct clk dpll4_m4_ck;
-
-static struct clk dpll4_m4_ck_34xx __initdata = {
+/* This virtual clock is the source for dpll4_m4x2_ck */
+static struct clk dpll4_m4_ck = {
 	.name		= "dpll4_m4_ck",
 	.ops		= &clkops_null,
 	.parent		= &dpll4_ck,
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
 	.clksel_mask	= OMAP3430_CLKSEL_DSS1_MASK,
-	.clksel		= div16_dpll4_clksel,
-	.clkdm_name	= "dpll4_clkdm",
-	.recalc		= &omap2_clksel_recalc,
-	.set_rate	= &omap2_clksel_set_rate,
-	.round_rate	= &omap2_clksel_round_rate,
-};
-
-static struct clk dpll4_m4_ck_3630 __initdata = {
-	.name		= "dpll4_m4_ck",
-	.ops		= &clkops_null,
-	.parent		= &dpll4_ck,
-	.init		= &omap2_init_clksel_parent,
-	.clksel_reg	= OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
-	.clksel_mask	= OMAP3630_CLKSEL_DSS1_MASK,
-	.clksel		= div32_dpll4_clksel,
+	.clksel		= dpll4_clksel,
 	.clkdm_name	= "dpll4_clkdm",
 	.recalc		= &omap2_clksel_recalc,
 	.set_rate	= &omap2_clksel_set_rate,
@@ -902,30 +854,14 @@ static struct clk dpll4_m4x2_ck = {
 };
 
 /* This virtual clock is the source for dpll4_m5x2_ck */
-static struct clk dpll4_m5_ck;
-
-static struct clk dpll4_m5_ck_34xx __initdata = {
+static struct clk dpll4_m5_ck = {
 	.name		= "dpll4_m5_ck",
 	.ops		= &clkops_null,
 	.parent		= &dpll4_ck,
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL),
 	.clksel_mask	= OMAP3430_CLKSEL_CAM_MASK,
-	.clksel		= div16_dpll4_clksel,
-	.clkdm_name	= "dpll4_clkdm",
-	.set_rate	= &omap2_clksel_set_rate,
-	.round_rate	= &omap2_clksel_round_rate,
-	.recalc		= &omap2_clksel_recalc,
-};
-
-static struct clk dpll4_m5_ck_3630 __initdata = {
-	.name		= "dpll4_m5_ck",
-	.ops		= &clkops_null,
-	.parent		= &dpll4_ck,
-	.init		= &omap2_init_clksel_parent,
-	.clksel_reg	= OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL),
-	.clksel_mask	= OMAP3630_CLKSEL_CAM_MASK,
-	.clksel		= div32_dpll4_clksel,
+	.clksel		= dpll4_clksel,
 	.clkdm_name	= "dpll4_clkdm",
 	.set_rate	= &omap2_clksel_set_rate,
 	.round_rate	= &omap2_clksel_round_rate,
@@ -945,28 +881,14 @@ static struct clk dpll4_m5x2_ck = {
 };
 
 /* This virtual clock is the source for dpll4_m6x2_ck */
-static struct clk dpll4_m6_ck;
-
-static struct clk dpll4_m6_ck_34xx __initdata = {
+static struct clk dpll4_m6_ck = {
 	.name		= "dpll4_m6_ck",
 	.ops		= &clkops_null,
 	.parent		= &dpll4_ck,
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1),
 	.clksel_mask	= OMAP3430_DIV_DPLL4_MASK,
-	.clksel		= div16_dpll4_clksel,
-	.clkdm_name	= "dpll4_clkdm",
-	.recalc		= &omap2_clksel_recalc,
-};
-
-static struct clk dpll4_m6_ck_3630 __initdata = {
-	.name		= "dpll4_m6_ck",
-	.ops		= &clkops_null,
-	.parent		= &dpll4_ck,
-	.init		= &omap2_init_clksel_parent,
-	.clksel_reg	= OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1),
-	.clksel_mask	= OMAP3630_DIV_DPLL4_MASK,
-	.clksel		= div32_dpll4_clksel,
+	.clksel		= dpll4_clksel,
 	.clkdm_name	= "dpll4_clkdm",
 	.recalc		= &omap2_clksel_recalc,
 };
@@ -3521,14 +3443,7 @@ int __init omap3xxx_clk_init(void)
 		/*
 		 * XXX This type of dynamic rewriting of the clock tree is
 		 * deprecated and should be revised soon.
-		 */
-		dpll4_m2_ck = dpll4_m2_ck_3630;
-		dpll4_m3_ck = dpll4_m3_ck_3630;
-		dpll4_m4_ck = dpll4_m4_ck_3630;
-		dpll4_m5_ck = dpll4_m5_ck_3630;
-		dpll4_m6_ck = dpll4_m6_ck_3630;
-
-		/*
+		 *
 		 * For 3630: override clkops_omap2_dflt_wait for the
 		 * clocks affected from PWRDN reset Limitation
 		 */
@@ -3544,18 +3459,12 @@ int __init omap3xxx_clk_init(void)
 				&clkops_omap36xx_pwrdn_with_hsdiv_wait_restore;
 		dpll4_m6x2_ck.ops =
 				&clkops_omap36xx_pwrdn_with_hsdiv_wait_restore;
-	} else {
-		/*
-		 * XXX This type of dynamic rewriting of the clock tree is
-		 * deprecated and should be revised soon.
-		 */
-		dpll4_m2_ck = dpll4_m2_ck_34xx;
-		dpll4_m3_ck = dpll4_m3_ck_34xx;
-		dpll4_m4_ck = dpll4_m4_ck_34xx;
-		dpll4_m5_ck = dpll4_m5_ck_34xx;
-		dpll4_m6_ck = dpll4_m6_ck_34xx;
 	}
 
+	/*
+	 * XXX This type of dynamic rewriting of the clock tree is
+	 * deprecated and should be revised soon.
+	 */
 	if (cpu_is_omap3630())
 		dpll4_dd = dpll4_dd_3630;
 	else

From 3587aeb067a71b26aa0349daf061572a17e6dcba Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 18:40:26 -0600
Subject: [PATCH 2371/3638] OMAP clock: resolve old checkpatch and CodingStyle
 issues with plat-omap/clock.c

Clean up comment style, remove unnecessary includes, and resolve some
checkpatch warnings in plat-omap/clock.c.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/plat-omap/clock.c | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 5261a092369..c9cd98a97ab 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -12,14 +12,12 @@
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/module.h>
 #include <linux/list.h>
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/string.h>
 #include <linux/clk.h>
 #include <linux/mutex.h>
-#include <linux/platform_device.h>
 #include <linux/cpufreq.h>
 #include <linux/debugfs.h>
 #include <linux/io.h>
@@ -32,9 +30,9 @@ static DEFINE_SPINLOCK(clockfw_lock);
 
 static struct clk_functions *arch_clock;
 
-/*-------------------------------------------------------------------------
+/*
  * Standard clock functions defined in include/linux/clk.h
- *-------------------------------------------------------------------------*/
+ */
 
 int clk_enable(struct clk *clk)
 {
@@ -92,9 +90,9 @@ unsigned long clk_get_rate(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_get_rate);
 
-/*-------------------------------------------------------------------------
+/*
  * Optional clock functions defined in include/linux/clk.h
- *-------------------------------------------------------------------------*/
+ */
 
 long clk_round_rate(struct clk *clk, unsigned long rate)
 {
@@ -140,9 +138,11 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 	unsigned long flags;
 	int ret = -EINVAL;
 
-	if (cpu_is_omap44xx())
-	/* OMAP4 clk framework not supported yet */
+	if (cpu_is_omap44xx()) {
+		WARN(1, "clock: %s: not supported yet on OMAP4\n", __func__);
 		return 0;
+	}
+
 	if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent))
 		return ret;
 
@@ -169,9 +169,9 @@ struct clk *clk_get_parent(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_get_parent);
 
-/*-------------------------------------------------------------------------
+/*
  * OMAP specific clock functions shared between omap1 and omap2
- *-------------------------------------------------------------------------*/
+ */
 
 int __initdata mpurate;
 
@@ -222,7 +222,7 @@ void clk_reparent(struct clk *child, struct clk *parent)
 }
 
 /* Propagate rate to children */
-void propagate_rate(struct clk * tclk)
+void propagate_rate(struct clk *tclk)
 {
 	struct clk *clkp;
 
@@ -389,7 +389,9 @@ void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
 }
 #endif
 
-/*-------------------------------------------------------------------------*/
+/*
+ *
+ */
 
 #ifdef CONFIG_OMAP_RESET_CLOCKS
 /*
@@ -404,7 +406,7 @@ static int __init clk_disable_unused(void)
 		if (ck->ops == &clkops_null)
 			continue;
 
-		if (ck->usecount > 0 || ck->enable_reg == 0)
+		if (ck->usecount > 0 || !ck->enable_reg)
 			continue;
 
 		spin_lock_irqsave(&clockfw_lock, flags);

From 53934aa74d49daa7c31c38028fd05c99475489d6 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:08 -0600
Subject: [PATCH 2372/3638] OMAP4: hwmod: Replace module & device offsets by
 absolute clkctrl address

Accessing the clkctrl register using offset of module & device is hard
to do in OMAP4 due to the way the CM1, CM2, PRM and PRCM_MPU are located
in the address space. There is no common base address anymore for all the
CM registers.
The easiest way to handle that on OMAP4 is to provide the absolute address
of the XXX_CLKCTRL register per hwmod.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
---
 arch/arm/plat-omap/include/plat/omap_hwmod.h | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 36d6ea56ab5..4965bbe8efb 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -327,14 +327,12 @@ struct omap_hwmod_omap2_prcm {
 
 /**
  * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data
- * @module_offs: PRCM submodule offset from the start of the PRM/CM1/CM2
- * @device_offs: device register offset from @module_offs
+ * @clkctrl_reg: PRCM address of the clock control register
  * @submodule_wkdep_bit: bit shift of the WKDEP range
  */
 struct omap_hwmod_omap4_prcm {
-	u32 module_offs;
-	u16 device_offs;
-	u8 submodule_wkdep_bit;
+	void __iomem	*clkctrl_reg;
+	u8		submodule_wkdep_bit;
 };
 
 

From d9e6625c70ff007ae246c9d62f8cdec8d08b2457 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:08 -0600
Subject: [PATCH 2373/3638] OMAP: CM: Move MAX_MODULE_READY_TIME to cm.h

The maximum timeout to wait for the PRCM to request that a module
exit idle or reach functionnal state is common to OMAP2/3/4 SoCs,
so, move it to the chip family-common cm.h include file.

Reduce the timeout from 20 ms to 2 ms.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/cm.c     |  3 ---
 arch/arm/mach-omap2/cm.h     |  9 +++++++++
 arch/arm/mach-omap2/cm4xxx.c | 18 +-----------------
 3 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/arch/arm/mach-omap2/cm.c b/arch/arm/mach-omap2/cm.c
index 58e4a1c557d..2d83565d2be 100644
--- a/arch/arm/mach-omap2/cm.c
+++ b/arch/arm/mach-omap2/cm.c
@@ -27,9 +27,6 @@
 #include "cm-regbits-24xx.h"
 #include "cm-regbits-34xx.h"
 
-/* MAX_MODULE_READY_TIME: max milliseconds for module to leave idle */
-#define MAX_MODULE_READY_TIME		20000
-
 static const u8 cm_idlest_offs[] = {
 	CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
 };
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index b6ab183212d..bbc69df3bf3 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -144,4 +144,13 @@ static inline u32 cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
 #define OMAP24XX_CM_IDLEST_VAL		0
 #define OMAP34XX_CM_IDLEST_VAL		1
 
+/*
+ * MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
+ * PRCM to request that a module exit the inactive state in the case of
+ * OMAP2 & 3.
+ * In the case of OMAP4 this is the max duration in microseconds for the
+ * module to reach the functionnal state from an inactive state.
+ */
+#define MAX_MODULE_READY_TIME		2000
+
 #endif
diff --git a/arch/arm/mach-omap2/cm4xxx.c b/arch/arm/mach-omap2/cm4xxx.c
index 4af76bb1003..af32a457a46 100644
--- a/arch/arm/mach-omap2/cm4xxx.c
+++ b/arch/arm/mach-omap2/cm4xxx.c
@@ -22,23 +22,7 @@
 #include <asm/atomic.h>
 
 #include "cm.h"
-
-/* XXX move this to cm.h */
-/* MAX_MODULE_READY_TIME: max milliseconds for module to leave idle */
-#define MAX_MODULE_READY_TIME			20000
-
-/*
- * OMAP4_PRCM_CM_CLKCTRL_IDLEST_MASK: isolates the IDLEST field in the
- * CM_CLKCTRL register.
- */
-#define OMAP4_PRCM_CM_CLKCTRL_IDLEST_MASK	(0x2 << 16)
-
-/*
- * OMAP4 prcm_mod u32 fields contain packed data: the CM ID in bit 16 and
- * the PRCM module offset address (from the CM module base) in bits 15-0.
- */
-#define OMAP4_PRCM_MOD_CM_ID_SHIFT		16
-#define OMAP4_PRCM_MOD_OFFS_MASK		0xffff
+#include "cm-regbits-44xx.h"
 
 /**
  * omap4_cm_wait_idlest_ready - wait for a module to leave idle or standby

From 9a23dfe12806920a8dfadec5ea5b83e5ca5378c9 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:08 -0600
Subject: [PATCH 2374/3638] OMAP4: hwmod & CM: Implement the
 omap4_cm_wait_module_ready function

The return of the omap4_cm_wait_module_ready function is checked
in order to avoid accessing the sysconfig register if the module is
not in the correct state.
In that case the _setup will exit without trying to reset
using sysconfig.
For the moment a warning is printed. A proper management of fclk
and module reset will have to be done in order to init correctly
the problematic IPs listed below.

  <4>omap_hwmod: ivahd: cannot be enabled (3)
  <4>omap_hwmod: iss: cannot be enabled (3)
  <4>omap_hwmod: tesla: cannot be enabled (3)
  <4>omap_hwmod: sdma: cannot be enabled (3)
  <4>omap_hwmod: sl2: cannot be enabled (3)
  <4>omap_hwmod: sad2d: cannot be enabled (3)
  <4>omap_hwmod: ducati: cannot be enabled (3)

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/cm.h         |  2 +-
 arch/arm/mach-omap2/cm4xxx.c     | 36 +++++++++++++++++++++++++-------
 arch/arm/mach-omap2/omap_hwmod.c | 33 +++++++++++++++++------------
 3 files changed, 50 insertions(+), 21 deletions(-)

diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index bbc69df3bf3..a02ca30423d 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -112,7 +112,7 @@ extern u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
 
 extern int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id,
 				      u8 idlest_shift);
-extern int omap4_cm_wait_module_ready(u32 prcm_mod, u8 prcm_dev_offs);
+extern int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg);
 
 static inline u32 cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
 {
diff --git a/arch/arm/mach-omap2/cm4xxx.c b/arch/arm/mach-omap2/cm4xxx.c
index af32a457a46..b101091e95d 100644
--- a/arch/arm/mach-omap2/cm4xxx.c
+++ b/arch/arm/mach-omap2/cm4xxx.c
@@ -21,19 +21,41 @@
 
 #include <asm/atomic.h>
 
+#include <plat/common.h>
+
 #include "cm.h"
 #include "cm-regbits-44xx.h"
 
 /**
- * omap4_cm_wait_idlest_ready - wait for a module to leave idle or standby
- * @prcm_mod: PRCM module offset (XXX example)
- * @prcm_dev_offs: PRCM device offset (e.g. MCASP XXX example)
+ * omap4_cm_wait_module_ready - wait for a module to be in 'func' state
+ * @clkctrl_reg: CLKCTRL module address
  *
- * XXX document
+ * Wait for the module IDLEST to be functional. If the idle state is in any
+ * the non functional state (trans, idle or disabled), module and thus the
+ * sysconfig cannot be accessed and will probably lead to an "imprecise
+ * external abort"
+ *
+ * Module idle state:
+ *   0x0 func:     Module is fully functional, including OCP
+ *   0x1 trans:    Module is performing transition: wakeup, or sleep, or sleep
+ *                 abortion
+ *   0x2 idle:     Module is in Idle mode (only OCP part). It is functional if
+ *                 using separate functional clock
+ *   0x3 disabled: Module is disabled and cannot be accessed
+ *
+ * TODO: Need to handle module accessible in idle state
  */
-int omap4_cm_wait_idlest_ready(u32 prcm_mod, u8 prcm_dev_offs)
+int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg)
 {
-	/* FIXME: Add clock manager related code */
-	return 0;
+	int i = 0;
+
+	if (!clkctrl_reg)
+		return 0;
+
+	omap_test_timeout(((__raw_readl(clkctrl_reg) &
+			    OMAP4430_IDLEST_MASK) == 0),
+			  MAX_MODULE_READY_TIME, i);
+
+	return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
 }
 
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index e436dcb1979..4a134c4d227 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -819,11 +819,8 @@ static int _wait_target_ready(struct omap_hwmod *oh)
 		ret = omap2_cm_wait_module_ready(oh->prcm.omap2.module_offs,
 						 oh->prcm.omap2.idlest_reg_id,
 						 oh->prcm.omap2.idlest_idle_bit);
-#if 0
 	} else if (cpu_is_omap44xx()) {
-		ret = omap4_cm_wait_module_ready(oh->prcm.omap4.module_offs,
-						 oh->prcm.omap4.device_offs);
-#endif
+		ret = omap4_cm_wait_module_ready(oh->prcm.omap4.clkctrl_reg);
 	} else {
 		BUG();
 	};
@@ -912,16 +909,21 @@ static int _enable(struct omap_hwmod *oh)
 	_add_initiator_dep(oh, mpu_oh);
 	_enable_clocks(oh);
 
-	if (oh->class->sysc) {
-		if (!(oh->_int_flags & _HWMOD_SYSCONFIG_LOADED))
-			_update_sysc_cache(oh);
-		_sysc_enable(oh);
-	}
-
 	r = _wait_target_ready(oh);
-	if (!r)
+	if (!r) {
 		oh->_state = _HWMOD_STATE_ENABLED;
 
+		/* Access the sysconfig only if the target is ready */
+		if (oh->class->sysc) {
+			if (!(oh->_int_flags & _HWMOD_SYSCONFIG_LOADED))
+				_update_sysc_cache(oh);
+			_sysc_enable(oh);
+		}
+	} else {
+		pr_debug("omap_hwmod: %s: _wait_target_ready: %d\n",
+			 oh->name, r);
+	}
+
 	return r;
 }
 
@@ -999,7 +1001,7 @@ static int _shutdown(struct omap_hwmod *oh)
 static int _setup(struct omap_hwmod *oh)
 {
 	struct omap_hwmod_ocp_if *os;
-	int i;
+	int i, r;
 
 	if (!oh)
 		return -EINVAL;
@@ -1023,7 +1025,12 @@ static int _setup(struct omap_hwmod *oh)
 
 	oh->_state = _HWMOD_STATE_INITIALIZED;
 
-	_enable(oh);
+	r = _enable(oh);
+	if (r) {
+		pr_warning("omap_hwmod: %s: cannot be enabled (%d)\n",
+			   oh->name, oh->_state);
+		return 0;
+	}
 
 	if (!(oh->flags & HWMOD_INIT_NO_RESET)) {
 		/*

From 33f7ec81fb3e525eec0575f33dbab02240eda6d4 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:09 -0600
Subject: [PATCH 2375/3638] OMAP4: hwmod: Replace OCPIF_HAS_IDLEST by
 HWMOD_NO_IDLEST

Some initiator modules in OMAP2 & 3 does not have IDLEST bit,
in that case we cannot detect the module readiness by
polling that bit and must exist the function immediately
assuming that the module is ready.

The previous flag was affected to the OCP interface. While it is
technically true that the idlest is related to the L4 slave
interface of the module, the PRCM status belong to the module.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod.c             | 2 +-
 arch/arm/plat-omap/include/plat/omap_hwmod.h | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 4a134c4d227..6459d07785b 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -808,7 +808,7 @@ static int _wait_target_ready(struct omap_hwmod *oh)
 
 	os = *oh->slaves + oh->_mpu_port_index;
 
-	if (!(os->flags & OCPIF_HAS_IDLEST))
+	if (oh->flags & HWMOD_NO_IDLEST)
 		return 0;
 
 	/* XXX check module SIDLEMODE */
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 4965bbe8efb..0eccc09ac4a 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -176,9 +176,8 @@ struct omap_hwmod_addr_space {
 #define OCP_USER_SDMA			(1 << 1)
 
 /* omap_hwmod_ocp_if.flags bits */
-#define OCPIF_HAS_IDLEST		(1 << 0)
-#define OCPIF_SWSUP_IDLE		(1 << 1)
-#define OCPIF_CAN_BURST			(1 << 2)
+#define OCPIF_SWSUP_IDLE		(1 << 0)
+#define OCPIF_CAN_BURST			(1 << 1)
 
 /**
  * struct omap_hwmod_ocp_if - OCP interface data
@@ -351,6 +350,8 @@ struct omap_hwmod_omap4_prcm {
  *     when module is enabled, rather than the default, which is to
  *     enable autoidle
  * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup
+ * HWMOD_NO_IDLEST : this module does not have idle status - this is the case
+ *     only for few initiator modules on OMAP2 & 3.
  */
 #define HWMOD_SWSUP_SIDLE			(1 << 0)
 #define HWMOD_SWSUP_MSTANDBY			(1 << 1)
@@ -358,6 +359,7 @@ struct omap_hwmod_omap4_prcm {
 #define HWMOD_INIT_NO_IDLE			(1 << 3)
 #define HWMOD_NO_OCP_AUTOIDLE			(1 << 4)
 #define HWMOD_SET_DEFAULT_CLOCKACT		(1 << 5)
+#define HWMOD_NO_IDLEST				(1 << 6)
 
 /*
  * omap_hwmod._int_flags definitions

From 682fdc96f3afb5ec34e4893fae41d09346d656ed Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:09 -0600
Subject: [PATCH 2376/3638] OMAP: hwmod: Fix wrong pointer iteration in
 oh->slaves

The iteration is currently done on the omap_hwmod_ocp_if pointer
and not on the table pointer that reference them.
It worked most of the time because the structure are contiguous in
memory.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod.c | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 6459d07785b..a280ccc31a7 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -432,7 +432,6 @@ static int _init_main_clk(struct omap_hwmod *oh)
  */
 static int _init_interface_clks(struct omap_hwmod *oh)
 {
-	struct omap_hwmod_ocp_if *os;
 	struct clk *c;
 	int i;
 	int ret = 0;
@@ -440,7 +439,9 @@ static int _init_interface_clks(struct omap_hwmod *oh)
 	if (oh->slaves_cnt == 0)
 		return 0;
 
-	for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+	for (i = 0; i < oh->slaves_cnt; i++) {
+		struct omap_hwmod_ocp_if *os = oh->slaves[i];
+
 		if (!os->clk)
 			continue;
 
@@ -490,7 +491,6 @@ static int _init_opt_clks(struct omap_hwmod *oh)
  */
 static int _enable_clocks(struct omap_hwmod *oh)
 {
-	struct omap_hwmod_ocp_if *os;
 	int i;
 
 	pr_debug("omap_hwmod: %s: enabling clocks\n", oh->name);
@@ -499,7 +499,8 @@ static int _enable_clocks(struct omap_hwmod *oh)
 		clk_enable(oh->_clk);
 
 	if (oh->slaves_cnt > 0) {
-		for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+		for (i = 0; i < oh->slaves_cnt; i++) {
+			struct omap_hwmod_ocp_if *os = oh->slaves[i];
 			struct clk *c = os->_clk;
 
 			if (c && !IS_ERR(c) && (os->flags & OCPIF_SWSUP_IDLE))
@@ -520,7 +521,6 @@ static int _enable_clocks(struct omap_hwmod *oh)
  */
 static int _disable_clocks(struct omap_hwmod *oh)
 {
-	struct omap_hwmod_ocp_if *os;
 	int i;
 
 	pr_debug("omap_hwmod: %s: disabling clocks\n", oh->name);
@@ -529,7 +529,8 @@ static int _disable_clocks(struct omap_hwmod *oh)
 		clk_disable(oh->_clk);
 
 	if (oh->slaves_cnt > 0) {
-		for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+		for (i = 0; i < oh->slaves_cnt; i++) {
+			struct omap_hwmod_ocp_if *os = oh->slaves[i];
 			struct clk *c = os->_clk;
 
 			if (c && !IS_ERR(c) && (os->flags & OCPIF_SWSUP_IDLE))
@@ -551,14 +552,15 @@ static int _disable_clocks(struct omap_hwmod *oh)
  */
 static int _find_mpu_port_index(struct omap_hwmod *oh)
 {
-	struct omap_hwmod_ocp_if *os;
 	int i;
 	int found = 0;
 
 	if (!oh || oh->slaves_cnt == 0)
 		return -EINVAL;
 
-	for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+	for (i = 0; i < oh->slaves_cnt; i++) {
+		struct omap_hwmod_ocp_if *os = oh->slaves[i];
+
 		if (os->user & OCP_USER_MPU) {
 			found = 1;
 			break;
@@ -593,7 +595,7 @@ static void __iomem *_find_mpu_rt_base(struct omap_hwmod *oh, u8 index)
 	if (!oh || oh->slaves_cnt == 0)
 		return NULL;
 
-	os = *oh->slaves + index;
+	os = oh->slaves[index];
 
 	for (i = 0, mem = os->addr; i < os->addr_cnt; i++, mem++) {
 		if (mem->flags & ADDR_TYPE_RT) {
@@ -806,7 +808,7 @@ static int _wait_target_ready(struct omap_hwmod *oh)
 	if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
 		return 0;
 
-	os = *oh->slaves + oh->_mpu_port_index;
+	os = oh->slaves[oh->_mpu_port_index];
 
 	if (oh->flags & HWMOD_NO_IDLEST)
 		return 0;
@@ -1000,7 +1002,6 @@ static int _shutdown(struct omap_hwmod *oh)
  */
 static int _setup(struct omap_hwmod *oh)
 {
-	struct omap_hwmod_ocp_if *os;
 	int i, r;
 
 	if (!oh)
@@ -1008,7 +1009,8 @@ static int _setup(struct omap_hwmod *oh)
 
 	/* Set iclk autoidle mode */
 	if (oh->slaves_cnt > 0) {
-		for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+		for (i = 0; i < oh->slaves_cnt; i++) {
+			struct omap_hwmod_ocp_if *os = oh->slaves[i];
 			struct clk *c = os->_clk;
 
 			if (!c || IS_ERR(c))
@@ -1438,7 +1440,7 @@ int omap_hwmod_count_resources(struct omap_hwmod *oh)
 	ret = oh->mpu_irqs_cnt + oh->sdma_chs_cnt;
 
 	for (i = 0; i < oh->slaves_cnt; i++)
-		ret += (*oh->slaves + i)->addr_cnt;
+		ret += oh->slaves[i]->addr_cnt;
 
 	return ret;
 }
@@ -1479,7 +1481,7 @@ int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res)
 	for (i = 0; i < oh->slaves_cnt; i++) {
 		struct omap_hwmod_ocp_if *os;
 
-		os = *oh->slaves + i;
+		os = oh->slaves[i];
 
 		for (j = 0; j < os->addr_cnt; j++) {
 			(res + r)->start = (os->addr + j)->pa_start;

From 4d3ae5a9a7b3685c6d260a82f4098145862b2cd3 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:09 -0600
Subject: [PATCH 2377/3638] OMAP: hwmod: Remove IS_ERR check with
 omap_clk_get_by_name return value

The previous clock API was returning a standard linux error code in
case of failure. This is not the case anymore with the new
omap_clk_get_by_name API. A NULL value means that the clock node
does not exist.
Replace all the IS_ERR check by a !clk check.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index a280ccc31a7..a62920beebc 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -411,9 +411,9 @@ static int _init_main_clk(struct omap_hwmod *oh)
 		return 0;
 
 	c = omap_clk_get_by_name(oh->main_clk);
-	WARN(IS_ERR(c), "omap_hwmod: %s: cannot clk_get main_clk %s\n",
+	WARN(!c, "omap_hwmod: %s: cannot clk_get main_clk %s\n",
 	     oh->name, oh->main_clk);
-	if (IS_ERR(c))
+	if (!c)
 		ret = -EINVAL;
 	oh->_clk = c;
 
@@ -446,9 +446,9 @@ static int _init_interface_clks(struct omap_hwmod *oh)
 			continue;
 
 		c = omap_clk_get_by_name(os->clk);
-		WARN(IS_ERR(c), "omap_hwmod: %s: cannot clk_get "
-		     "interface_clk %s\n", oh->name, os->clk);
-		if (IS_ERR(c))
+		WARN(!c, "omap_hwmod: %s: cannot clk_get interface_clk %s\n",
+		     oh->name, os->clk);
+		if (!c)
 			ret = -EINVAL;
 		os->_clk = c;
 	}
@@ -472,9 +472,9 @@ static int _init_opt_clks(struct omap_hwmod *oh)
 
 	for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) {
 		c = omap_clk_get_by_name(oc->clk);
-		WARN(IS_ERR(c), "omap_hwmod: %s: cannot clk_get opt_clk "
-		     "%s\n", oh->name, oc->clk);
-		if (IS_ERR(c))
+		WARN(!c, "omap_hwmod: %s: cannot clk_get opt_clk %s\n",
+		     oh->name, oc->clk);
+		if (!c)
 			ret = -EINVAL;
 		oc->_clk = c;
 	}
@@ -495,7 +495,7 @@ static int _enable_clocks(struct omap_hwmod *oh)
 
 	pr_debug("omap_hwmod: %s: enabling clocks\n", oh->name);
 
-	if (oh->_clk && !IS_ERR(oh->_clk))
+	if (oh->_clk)
 		clk_enable(oh->_clk);
 
 	if (oh->slaves_cnt > 0) {
@@ -503,7 +503,7 @@ static int _enable_clocks(struct omap_hwmod *oh)
 			struct omap_hwmod_ocp_if *os = oh->slaves[i];
 			struct clk *c = os->_clk;
 
-			if (c && !IS_ERR(c) && (os->flags & OCPIF_SWSUP_IDLE))
+			if (c && (os->flags & OCPIF_SWSUP_IDLE))
 				clk_enable(c);
 		}
 	}
@@ -525,7 +525,7 @@ static int _disable_clocks(struct omap_hwmod *oh)
 
 	pr_debug("omap_hwmod: %s: disabling clocks\n", oh->name);
 
-	if (oh->_clk && !IS_ERR(oh->_clk))
+	if (oh->_clk)
 		clk_disable(oh->_clk);
 
 	if (oh->slaves_cnt > 0) {
@@ -533,7 +533,7 @@ static int _disable_clocks(struct omap_hwmod *oh)
 			struct omap_hwmod_ocp_if *os = oh->slaves[i];
 			struct clk *c = os->_clk;
 
-			if (c && !IS_ERR(c) && (os->flags & OCPIF_SWSUP_IDLE))
+			if (c && (os->flags & OCPIF_SWSUP_IDLE))
 				clk_disable(c);
 		}
 	}
@@ -1013,7 +1013,7 @@ static int _setup(struct omap_hwmod *oh)
 			struct omap_hwmod_ocp_if *os = oh->slaves[i];
 			struct clk *c = os->_clk;
 
-			if (!c || IS_ERR(c))
+			if (!c)
 				continue;
 
 			if (os->flags & OCPIF_SWSUP_IDLE) {

From 20383d82160d918047bb10a4f6e170f4bac195a7 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:09 -0600
Subject: [PATCH 2378/3638] OMAP: hwmod: Replace WARN by pr_warning if clock
 lookup failed

The WARN is a little bit too verbose and is not providing
usefull information in that case.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index a62920beebc..5d3a3ea3742 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -411,9 +411,9 @@ static int _init_main_clk(struct omap_hwmod *oh)
 		return 0;
 
 	c = omap_clk_get_by_name(oh->main_clk);
-	WARN(!c, "omap_hwmod: %s: cannot clk_get main_clk %s\n",
-	     oh->name, oh->main_clk);
 	if (!c)
+		pr_warning("omap_hwmod: %s: cannot clk_get main_clk %s\n",
+			   oh->name, oh->main_clk);
 		ret = -EINVAL;
 	oh->_clk = c;
 
@@ -446,9 +446,9 @@ static int _init_interface_clks(struct omap_hwmod *oh)
 			continue;
 
 		c = omap_clk_get_by_name(os->clk);
-		WARN(!c, "omap_hwmod: %s: cannot clk_get interface_clk %s\n",
-		     oh->name, os->clk);
 		if (!c)
+			pr_warning("omap_hwmod: %s: cannot clk_get interface_clk %s\n",
+				   oh->name, os->clk);
 			ret = -EINVAL;
 		os->_clk = c;
 	}
@@ -472,9 +472,9 @@ static int _init_opt_clks(struct omap_hwmod *oh)
 
 	for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) {
 		c = omap_clk_get_by_name(oc->clk);
-		WARN(!c, "omap_hwmod: %s: cannot clk_get opt_clk %s\n",
-		     oh->name, oc->clk);
 		if (!c)
+			pr_warning("omap_hwmod: %s: cannot clk_get opt_clk %s\n",
+				   oh->name, oc->clk);
 			ret = -EINVAL;
 		oc->_clk = c;
 	}

From f5c1f84bcc9c5b7a664886d0a5e7143d0bc3251f Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:10 -0600
Subject: [PATCH 2379/3638] OMAP: hwmod: Do not exit the iteration if one clock
 init failed

During the _init_clocks phase, the iteration is stopped but the
status is still change from _HWMOD_STATE_REGISTERED to
_HWMOD_STATE_CLKS_INITED.
Since the _setup phase will be done nevertheless, it might be
better to keep initializing the others clocks nodes and just
keep the warning.
It is much easier to debug when a important number of clocks
name are wrong during the early debug phase of a new platform.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 5d3a3ea3742..b624ad64821 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -783,9 +783,10 @@ static int _init_clocks(struct omap_hwmod *oh)
 	ret |= _init_interface_clks(oh);
 	ret |= _init_opt_clks(oh);
 
-	oh->_state = _HWMOD_STATE_CLKS_INITED;
+	if (!ret)
+		oh->_state = _HWMOD_STATE_CLKS_INITED;
 
-	return ret;
+	return 0;
 }
 
 /**

From 5c2c02961ea39d7bbe4d87f362ab3173a424794b Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:10 -0600
Subject: [PATCH 2380/3638] OMAP: hwmod: Rename hwmod name for the MPU

In the lastest OMAP4 hwmod data file, the _hwmod was removed
in order to save some memory space and because it does not
bring a lot.

The same cleanup will be have to done for other hwmods in
OMAP2 & 3 data files.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
---
 arch/arm/mach-omap2/omap_hwmod.c           | 2 +-
 arch/arm/mach-omap2/omap_hwmod_2420_data.c | 2 +-
 arch/arm/mach-omap2/omap_hwmod_2430_data.c | 2 +-
 arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index b624ad64821..b6031e468de 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -58,7 +58,7 @@
 #define MAX_MODULE_RESET_WAIT		10000
 
 /* Name of the OMAP hwmod for the MPU */
-#define MPU_INITIATOR_NAME		"mpu_hwmod"
+#define MPU_INITIATOR_NAME		"mpu"
 
 /* omap_hwmod_list contains all registered struct omap_hwmods */
 static LIST_HEAD(omap_hwmod_list);
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index eb7ee2453b2..e5530c51f77 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -125,7 +125,7 @@ static struct omap_hwmod_ocp_if *omap2420_mpu_masters[] = {
 
 /* MPU */
 static struct omap_hwmod omap2420_mpu_hwmod = {
-	.name		= "mpu_hwmod",
+	.name		= "mpu",
 	.class		= &mpu_hwmod_class,
 	.main_clk	= "mpu_ck",
 	.masters	= omap2420_mpu_masters,
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 241bd823072..0852d954da4 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -127,7 +127,7 @@ static struct omap_hwmod_ocp_if *omap2430_mpu_masters[] = {
 
 /* MPU */
 static struct omap_hwmod omap2430_mpu_hwmod = {
-	.name		= "mpu_hwmod",
+	.name		= "mpu",
 	.class		= &mpu_hwmod_class,
 	.main_clk	= "mpu_ck",
 	.masters	= omap2430_mpu_masters,
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index ed608400426..39b0c0eaa37 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -156,7 +156,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_mpu_masters[] = {
 
 /* MPU */
 static struct omap_hwmod omap3xxx_mpu_hwmod = {
-	.name		= "mpu_hwmod",
+	.name		= "mpu",
 	.class		= &mpu_hwmod_class,
 	.main_clk	= "arm_fck",
 	.masters	= omap3xxx_mpu_masters,

From 63403384233e3f58514eea891003458dedd43c12 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:10 -0600
Subject: [PATCH 2381/3638] OMAP: hwmod: Replace WARN by pr_warning for
 clockdomain check

Most of the clock nodes belong to a clock domain, but it is perfectly valid
to have clock without clock domain.
Root clocks for example does not belong to any clock domain.
Keep the warning but reduce the verbosity.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index b6031e468de..2fff39ff408 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -404,21 +404,20 @@ static int _del_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh)
  */
 static int _init_main_clk(struct omap_hwmod *oh)
 {
-	struct clk *c;
 	int ret = 0;
 
 	if (!oh->main_clk)
 		return 0;
 
-	c = omap_clk_get_by_name(oh->main_clk);
-	if (!c)
+	oh->_clk = omap_clk_get_by_name(oh->main_clk);
+	if (!oh->_clk)
 		pr_warning("omap_hwmod: %s: cannot clk_get main_clk %s\n",
 			   oh->name, oh->main_clk);
-		ret = -EINVAL;
-	oh->_clk = c;
+		return -EINVAL;
 
-	WARN(!c->clkdm, "omap_hwmod: %s: missing clockdomain for %s.\n",
-	     oh->main_clk, c->name);
+	if (!oh->_clk->clkdm)
+		pr_warning("omap_hwmod: %s: missing clockdomain for %s.\n",
+			   oh->main_clk, oh->_clk->name);
 
 	return ret;
 }

From a610855ca3694f9134b0198517c39121058e9e10 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:11 -0600
Subject: [PATCH 2382/3638] OMAP4: CM: Remove non-functional registers in ES1.0

The automatic HW restore from OFF mode is not functional at all in
OMAP4430 ES1.0.
Because of that, it will be extensively changed in the next Si revision,
and the compatibilty will not be maintained with ES1.0.

Remove the current XXX_RESTORE registers definition to avoid future
conflicts with the next Si revision.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
---
 arch/arm/mach-omap2/cm44xx.h | 41 ++----------------------------------
 1 file changed, 2 insertions(+), 39 deletions(-)

diff --git a/arch/arm/mach-omap2/cm44xx.h b/arch/arm/mach-omap2/cm44xx.h
index c575b9b0c04..b889ac63373 100644
--- a/arch/arm/mach-omap2/cm44xx.h
+++ b/arch/arm/mach-omap2/cm44xx.h
@@ -1,8 +1,8 @@
 /*
  * OMAP44xx CM1 & CM2 instance offset macros
  *
- * Copyright (C) 2009 Texas Instruments, Inc.
- * Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2009-2010 Texas Instruments, Inc.
+ * Copyright (C) 2009-2010 Nokia Corporation
  *
  * Paul Walmsley (paul@pwsan.com)
  * Rajendra Nayak (rnayak@ti.com)
@@ -25,7 +25,6 @@
 
 /* CM1 */
 
-
 /* CM1.OCP_SOCKET_CM1 register offsets */
 #define OMAP4430_REVISION_CM1				OMAP44XX_CM1_REGADDR(OMAP4430_CM1_OCP_SOCKET_MOD, 0x0000)
 #define OMAP4430_CM_CM1_PROFILING_CLKCTRL		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_OCP_SOCKET_MOD, 0x0040)
@@ -116,25 +115,8 @@
 #define OMAP4430_CM1_ABE_TIMER8_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0080)
 #define OMAP4430_CM1_ABE_WDT3_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0088)
 
-/* CM1.RESTORE_CM1 register offsets */
-#define OMAP4430_CM_CLKSEL_CORE_RESTORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0000)
-#define OMAP4430_CM_DIV_M2_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0004)
-#define OMAP4430_CM_DIV_M3_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0008)
-#define OMAP4430_CM_DIV_M4_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x000c)
-#define OMAP4430_CM_DIV_M5_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0010)
-#define OMAP4430_CM_DIV_M6_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0014)
-#define OMAP4430_CM_DIV_M7_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0018)
-#define OMAP4430_CM_CLKSEL_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x001c)
-#define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_CORE_RESTORE	OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0020)
-#define OMAP4430_CM_SSC_MODFREQDIV_DPLL_CORE_RESTORE	OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0024)
-#define OMAP4430_CM_CLKMODE_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0028)
-#define OMAP4430_CM_SHADOW_FREQ_CONFIG1_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x002c)
-#define OMAP4430_CM_AUTOIDLE_DPLL_CORE_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0030)
-#define OMAP4430_CM_MPU_CLKSTCTRL_RESTORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_MOD, 0x0034)
-
 /* CM2 */
 
-
 /* CM2.OCP_SOCKET_CM2 register offsets */
 #define OMAP4430_REVISION_CM2				OMAP44XX_CM2_REGADDR(OMAP4430_CM2_OCP_SOCKET_MOD, 0x0000)
 #define OMAP4430_CM_CM2_PROFILING_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_OCP_SOCKET_MOD, 0x0040)
@@ -336,23 +318,4 @@
 /* CM2.CEFUSE_CM2 register offsets */
 #define OMAP4430_CM_CEFUSE_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CEFUSE_MOD, 0x0000)
 #define OMAP4430_CM_CEFUSE_CEFUSE_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CEFUSE_MOD, 0x0020)
-
-/* CM2.RESTORE_CM2 register offsets */
-#define OMAP4430_CM_L3_1_CLKSTCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0000)
-#define OMAP4430_CM_L3_2_CLKSTCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0004)
-#define OMAP4430_CM_L4CFG_CLKSTCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0008)
-#define OMAP4430_CM_MEMIF_CLKSTCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x000c)
-#define OMAP4430_CM_L4PER_CLKSTCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0010)
-#define OMAP4430_CM_L3INIT_CLKSTCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0014)
-#define OMAP4430_CM_L3INSTR_L3_3_CLKCTRL_RESTORE	OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0018)
-#define OMAP4430_CM_L3INSTR_L3_INSTR_CLKCTRL_RESTORE	OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x001c)
-#define OMAP4430_CM_L3INSTR_OCP_WP1_CLKCTRL_RESTORE	OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0020)
-#define OMAP4430_CM_L4PER_GPIO2_CLKCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0024)
-#define OMAP4430_CM_L4PER_GPIO3_CLKCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0028)
-#define OMAP4430_CM_L4PER_GPIO4_CLKCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x002c)
-#define OMAP4430_CM_L4PER_GPIO5_CLKCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0030)
-#define OMAP4430_CM_L4PER_GPIO6_CLKCTRL_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0034)
-#define OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL_RESTORE	OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0038)
-#define OMAP4430_CM_L3INIT_USB_TLL_CLKCTRL_RESTORE	OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x003c)
-#define OMAP4430_CM_SDMA_STATICDEP_RESTORE		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_MOD, 0x0040)
 #endif

From 793287062304da2f2718c1ad156830b4e99816c7 Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:11 -0600
Subject: [PATCH 2383/3638] OMAP4: PRM: Remove MPU internal code name and apply
 PRCM naming convention

The MPU subsystem was named based on internal code name (CHIRON).
This patch will remove all the occurences of the chiron name
are replace it with PRCM_MPU in order to differentiate
the MPU local PRCM to the global one.

Remove PDA_ from PRCM_MPU registers names to stick to the global
PRM naming convention.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
---
 arch/arm/mach-omap2/clockdomains44xx.h     |  4 +-
 arch/arm/mach-omap2/powerdomains44xx.h     | 10 ++--
 arch/arm/mach-omap2/prcm-common.h          | 10 ++--
 arch/arm/mach-omap2/prm.h                  |  4 +-
 arch/arm/mach-omap2/prm44xx.h              | 55 ++++++++++++----------
 arch/arm/plat-omap/include/plat/omap44xx.h |  1 +
 6 files changed, 45 insertions(+), 39 deletions(-)

diff --git a/arch/arm/mach-omap2/clockdomains44xx.h b/arch/arm/mach-omap2/clockdomains44xx.h
index 438aaee2e39..7e5ba0f6792 100644
--- a/arch/arm/mach-omap2/clockdomains44xx.h
+++ b/arch/arm/mach-omap2/clockdomains44xx.h
@@ -131,7 +131,7 @@ static struct clockdomain mpuss_44xx_clkdm = {
 static struct clockdomain mpu0_44xx_clkdm = {
 	.name		  = "mpu0_clkdm",
 	.pwrdm		  = { .name = "cpu0_pwrdm" },
-	.clkstctrl_reg	  = OMAP4430_CM_PDA_CPU0_CLKSTCTRL,
+	.clkstctrl_reg	  = OMAP4430_CM_CPU0_CLKSTCTRL,
 	.clktrctrl_mask	  = OMAP4430_CLKTRCTRL_MASK,
 	.flags		  = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP,
 	.omap_chip	  = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -140,7 +140,7 @@ static struct clockdomain mpu0_44xx_clkdm = {
 static struct clockdomain mpu1_44xx_clkdm = {
 	.name		  = "mpu1_clkdm",
 	.pwrdm		  = { .name = "cpu1_pwrdm" },
-	.clkstctrl_reg	  = OMAP4430_CM_PDA_CPU1_CLKSTCTRL,
+	.clkstctrl_reg	  = OMAP4430_CM_CPU1_CLKSTCTRL,
 	.clktrctrl_mask	  = OMAP4430_CLKTRCTRL_MASK,
 	.flags		  = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP,
 	.omap_chip	  = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
diff --git a/arch/arm/mach-omap2/powerdomains44xx.h b/arch/arm/mach-omap2/powerdomains44xx.h
index c1015147d57..e002d4289f4 100644
--- a/arch/arm/mach-omap2/powerdomains44xx.h
+++ b/arch/arm/mach-omap2/powerdomains44xx.h
@@ -1,12 +1,12 @@
 /*
  * OMAP4 Power domains framework
  *
- * Copyright (C) 2009 Texas Instruments, Inc.
- * Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2009-2010 Texas Instruments, Inc.
+ * Copyright (C) 2009-2010 Nokia Corporation
  *
  * Abhijit Pagare (abhijitpagare@ti.com)
  * Benoit Cousson (b-cousson@ti.com)
- * Paul Walmsley
+ * Paul Walmsley (paul@pwsan.com)
  *
  * This file is automatically generated from the OMAP hardware databases.
  * We respectfully ask that any modifications to this file be coordinated
@@ -143,7 +143,7 @@ static struct powerdomain wkup_44xx_pwrdm = {
 /* cpu0_44xx_pwrdm: MPU0 processor and Neon coprocessor power domain */
 static struct powerdomain cpu0_44xx_pwrdm = {
 	.name		  = "cpu0_pwrdm",
-	.prcm_offs	  = OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD,
+	.prcm_offs	  = OMAP4430_PRCM_MPU_CPU0_MOD,
 	.omap_chip	  = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
 	.pwrsts		  = PWRSTS_OFF_RET_ON,
 	.pwrsts_logic_ret = PWRSTS_OFF_RET,
@@ -159,7 +159,7 @@ static struct powerdomain cpu0_44xx_pwrdm = {
 /* cpu1_44xx_pwrdm: MPU1 processor and Neon coprocessor power domain */
 static struct powerdomain cpu1_44xx_pwrdm = {
 	.name		  = "cpu1_pwrdm",
-	.prcm_offs	  = OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD,
+	.prcm_offs	  = OMAP4430_PRCM_MPU_CPU1_MOD,
 	.omap_chip	  = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
 	.pwrsts		  = PWRSTS_OFF_RET_ON,
 	.pwrsts_logic_ret = PWRSTS_OFF_RET,
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index ed2379f38db..ad1df56585e 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -112,12 +112,12 @@
 
 #define OMAP4430_SCRM_SCRM_MOD	0x0000
 
-/* CHIRONSS instances */
+/* PRCM_MPU instances */
 
-#define OMAP4430_CHIRONSS_CHIRONSS_OCP_SOCKET_PRCM_MOD	0x0000
-#define OMAP4430_CHIRONSS_CHIRONSS_DEVICE_PRM_MOD	0x0200
-#define OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD		0x0400
-#define OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD		0x0800
+#define OMAP4430_PRCM_MPU_OCP_SOCKET_PRCM_MOD	0x0000
+#define OMAP4430_PRCM_MPU_DEVICE_PRM_MOD	0x0200
+#define OMAP4430_PRCM_MPU_CPU0_MOD		0x0400
+#define OMAP4430_PRCM_MPU_CPU1_MOD		0x0800
 
 /* Base Addresses for the OMAP4 */
 
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index 7bffb6e39d7..588873b9303 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -24,8 +24,8 @@
 		OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg))
 #define OMAP44XX_PRM_REGADDR(module, reg)				\
 		OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE + (module) + (reg))
-#define OMAP44XX_CHIRONSS_REGADDR(module, reg)				\
-		OMAP2_L4_IO_ADDRESS(OMAP4430_CHIRONSS_BASE + (module) + (reg))
+#define OMAP44XX_PRCM_MPU_REGADDR(module, reg)				\
+		OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE + (module) + (reg))
 
 #include "prm44xx.h"
 
diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h
index adb2558bb12..54edaba617b 100644
--- a/arch/arm/mach-omap2/prm44xx.h
+++ b/arch/arm/mach-omap2/prm44xx.h
@@ -1,8 +1,8 @@
 /*
  * OMAP44xx PRM instance offset macros
  *
- * Copyright (C) 2009 Texas Instruments, Inc.
- * Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2009-2010 Texas Instruments, Inc.
+ * Copyright (C) 2009-2010 Nokia Corporation
  *
  * Paul Walmsley (paul@pwsan.com)
  * Rajendra Nayak (rnayak@ti.com)
@@ -25,7 +25,6 @@
 
 /* PRM */
 
-
 /* PRM.OCP_SOCKET_PRM register offsets */
 #define OMAP4430_REVISION_PRM				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0000)
 #define OMAP4430_PRM_IRQSTATUS_MPU			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0010)
@@ -382,30 +381,36 @@
 #define OMAP4430_PRM_PHASE2B_CNDP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00f0)
 #define OMAP4430_PRM_MODEM_IF_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00f4)
 
-/* CHIRON_PRCM */
+/*
+ * PRCM_MPU
+ *
+ * The PRCM_MPU is a local PRCM inside the MPU subsystem. For the PRCM (global)
+ * point of view the PRCM_MPU is a single entity. It shares the same
+ * programming model as the global PRCM and thus can be assimilate as two new
+ * MOD inside the PRCM
+ */
 
+/* PRCM_MPU.OCP_SOCKET_PRCM register offsets */
+#define OMAP4430_REVISION_PRCM				OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_OCP_SOCKET_PRCM_MOD, 0x0000)
 
-/* CHIRON_PRCM.CHIRONSS_OCP_SOCKET_PRCM register offsets */
-#define OMAP4430_REVISION_PRCM				OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_OCP_SOCKET_PRCM_MOD, 0x0000)
+/* PRCM_MPU.DEVICE_PRM register offsets */
+#define OMAP4430_PRCM_MPU_PRM_RSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_DEVICE_PRM_MOD, 0x0000)
 
-/* CHIRON_PRCM.CHIRONSS_DEVICE_PRM register offsets */
-#define OMAP4430_CHIRON_PRCM_PRM_RSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_DEVICE_PRM_MOD, 0x0000)
+/* PRCM_MPU.CPU0 register offsets */
+#define OMAP4430_PM_CPU0_PWRSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0000)
+#define OMAP4430_PM_CPU0_PWRSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0004)
+#define OMAP4430_RM_CPU0_CPU0_CONTEXT			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0008)
+#define OMAP4430_RM_CPU0_CPU0_RSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x000c)
+#define OMAP4430_RM_CPU0_CPU0_RSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0010)
+#define OMAP4430_CM_CPU0_CPU0_CLKCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0014)
+#define OMAP4430_CM_CPU0_CLKSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0018)
 
-/* CHIRON_PRCM.CHIRONSS_CPU0 register offsets */
-#define OMAP4430_PM_PDA_CPU0_PWRSTCTRL			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0000)
-#define OMAP4430_PM_PDA_CPU0_PWRSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0004)
-#define OMAP4430_RM_PDA_CPU0_CPU0_CONTEXT		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0008)
-#define OMAP4430_RM_PDA_CPU0_CPU0_RSTCTRL		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x000c)
-#define OMAP4430_RM_PDA_CPU0_CPU0_RSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0010)
-#define OMAP4430_CM_PDA_CPU0_CPU0_CLKCTRL		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0014)
-#define OMAP4430_CM_PDA_CPU0_CLKSTCTRL			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0018)
-
-/* CHIRON_PRCM.CHIRONSS_CPU1 register offsets */
-#define OMAP4430_PM_PDA_CPU1_PWRSTCTRL			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0000)
-#define OMAP4430_PM_PDA_CPU1_PWRSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0004)
-#define OMAP4430_RM_PDA_CPU1_CPU1_CONTEXT		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0008)
-#define OMAP4430_RM_PDA_CPU1_CPU1_RSTCTRL		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x000c)
-#define OMAP4430_RM_PDA_CPU1_CPU1_RSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0010)
-#define OMAP4430_CM_PDA_CPU1_CPU1_CLKCTRL		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0014)
-#define OMAP4430_CM_PDA_CPU1_CLKSTCTRL			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0018)
+/* PRCM_MPU.CPU1 register offsets */
+#define OMAP4430_PM_CPU1_PWRSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0000)
+#define OMAP4430_PM_CPU1_PWRSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0004)
+#define OMAP4430_RM_CPU1_CPU1_CONTEXT			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0008)
+#define OMAP4430_RM_CPU1_CPU1_RSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x000c)
+#define OMAP4430_RM_CPU1_CPU1_RSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0010)
+#define OMAP4430_CM_CPU1_CPU1_CLKCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0014)
+#define OMAP4430_CM_CPU1_CLKSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0018)
 #endif
diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h
index bb94a0baee8..8b3f12ff5cb 100644
--- a/arch/arm/plat-omap/include/plat/omap44xx.h
+++ b/arch/arm/plat-omap/include/plat/omap44xx.h
@@ -30,6 +30,7 @@
 #define OMAP4430_CM_BASE		OMAP4430_CM1_BASE
 #define OMAP4430_CM2_BASE		0x4a008000
 #define OMAP4430_PRM_BASE		0x4a306000
+#define OMAP4430_PRCM_MPU_BASE		0x48243000
 #define OMAP44XX_GPMC_BASE		0x50000000
 #define OMAP443X_SCM_BASE		0x4a002000
 #define OMAP443X_CTRL_BASE		0x4a100000

From 78026dda2ac8ffb54cc7d3c618448083376b17eb Mon Sep 17 00:00:00 2001
From: Benoit Cousson <b-cousson@ti.com>
Date: Thu, 20 May 2010 12:31:12 -0600
Subject: [PATCH 2384/3638] OMAP4: PRCM: Remove duplicate definition of base
 addresses

CM1, CM2, PRM, SCRM and MPU_PRCM are already defined in omap44xx.h

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
---
 arch/arm/mach-omap2/prcm-common.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index ad1df56585e..995b7edbf18 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -119,14 +119,6 @@
 #define OMAP4430_PRCM_MPU_CPU0_MOD		0x0400
 #define OMAP4430_PRCM_MPU_CPU1_MOD		0x0800
 
-/* Base Addresses for the OMAP4 */
-
-#define OMAP4430_CM1_BASE		0x4a004000
-#define OMAP4430_CM2_BASE		0x4a008000
-#define OMAP4430_PRM_BASE		0x4a306000
-#define OMAP4430_SCRM_BASE		0x4a30a000
-#define OMAP4430_CHIRONSS_BASE		0x48243000
-
 
 /* 24XX register bits shared between CM & PRM registers */
 

From 2339ea99cc6bb6a6d36d02c641e21dc950f50360 Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <rnayak@ti.com>
Date: Thu, 20 May 2010 12:31:12 -0600
Subject: [PATCH 2385/3638] OMAP4: PRCM: Add offset defines for all PRM
 registers

The prm44xx.h files only had absolute register address
defines for all PRM registers.
This patch adds additional register offset defines for all the
registers, so they can be used with apis like prm_read_mod_*

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/prm44xx.h | 334 ++++++++++++++++++++++++++++++++++
 1 file changed, 334 insertions(+)

diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h
index 54edaba617b..fe8ef26431e 100644
--- a/arch/arm/mach-omap2/prm44xx.h
+++ b/arch/arm/mach-omap2/prm44xx.h
@@ -26,359 +26,677 @@
 /* PRM */
 
 /* PRM.OCP_SOCKET_PRM register offsets */
+#define OMAP4_REVISION_PRM_OFFSET			0x0000
 #define OMAP4430_REVISION_PRM				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0000)
+#define OMAP4_PRM_IRQSTATUS_MPU_OFFSET			0x0010
 #define OMAP4430_PRM_IRQSTATUS_MPU			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0010)
+#define OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET		0x0014
 #define OMAP4430_PRM_IRQSTATUS_MPU_2			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0014)
+#define OMAP4_PRM_IRQENABLE_MPU_OFFSET			0x0018
 #define OMAP4430_PRM_IRQENABLE_MPU			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0018)
+#define OMAP4_PRM_IRQENABLE_MPU_2_OFFSET		0x001c
 #define OMAP4430_PRM_IRQENABLE_MPU_2			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x001c)
+#define OMAP4_PRM_IRQSTATUS_DUCATI_OFFSET		0x0020
 #define OMAP4430_PRM_IRQSTATUS_DUCATI			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0020)
+#define OMAP4_PRM_IRQENABLE_DUCATI_OFFSET		0x0028
 #define OMAP4430_PRM_IRQENABLE_DUCATI			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0028)
+#define OMAP4_PRM_IRQSTATUS_TESLA_OFFSET		0x0030
 #define OMAP4430_PRM_IRQSTATUS_TESLA			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0030)
+#define OMAP4_PRM_IRQENABLE_TESLA_OFFSET		0x0038
 #define OMAP4430_PRM_IRQENABLE_TESLA			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0038)
+#define OMAP4_PRM_PRM_PROFILING_CLKCTRL_OFFSET		0x0040
 #define OMAP4430_PRM_PRM_PROFILING_CLKCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_MOD, 0x0040)
 
 /* PRM.CKGEN_PRM register offsets */
+#define OMAP4_CM_ABE_DSS_SYS_CLKSEL_OFFSET		0x0000
 #define OMAP4430_CM_ABE_DSS_SYS_CLKSEL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_MOD, 0x0000)
+#define OMAP4_CM_DPLL_SYS_REF_CLKSEL_OFFSET		0x0004
 #define OMAP4430_CM_DPLL_SYS_REF_CLKSEL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_MOD, 0x0004)
+#define OMAP4_CM_L4_WKUP_CLKSEL_OFFSET			0x0008
 #define OMAP4430_CM_L4_WKUP_CLKSEL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_MOD, 0x0008)
+#define OMAP4_CM_ABE_PLL_REF_CLKSEL_OFFSET		0x000c
 #define OMAP4430_CM_ABE_PLL_REF_CLKSEL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_MOD, 0x000c)
+#define OMAP4_CM_SYS_CLKSEL_OFFSET			0x0010
 #define OMAP4430_CM_SYS_CLKSEL				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_MOD, 0x0010)
 
 /* PRM.MPU_PRM register offsets */
+#define OMAP4_PM_MPU_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_MPU_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_MPU_MOD, 0x0000)
+#define OMAP4_PM_MPU_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_MPU_PWRSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_MPU_MOD, 0x0004)
+#define OMAP4_RM_MPU_RSTST_OFFSET			0x0014
 #define OMAP4430_RM_MPU_RSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_MPU_MOD, 0x0014)
+#define OMAP4_RM_MPU_MPU_CONTEXT_OFFSET			0x0024
 #define OMAP4430_RM_MPU_MPU_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_MPU_MOD, 0x0024)
 
 /* PRM.TESLA_PRM register offsets */
+#define OMAP4_PM_TESLA_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_TESLA_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_MOD, 0x0000)
+#define OMAP4_PM_TESLA_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_TESLA_PWRSTST			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_MOD, 0x0004)
+#define OMAP4_RM_TESLA_RSTCTRL_OFFSET			0x0010
 #define OMAP4430_RM_TESLA_RSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_MOD, 0x0010)
+#define OMAP4_RM_TESLA_RSTST_OFFSET			0x0014
 #define OMAP4430_RM_TESLA_RSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_MOD, 0x0014)
+#define OMAP4_RM_TESLA_TESLA_CONTEXT_OFFSET		0x0024
 #define OMAP4430_RM_TESLA_TESLA_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_MOD, 0x0024)
 
 /* PRM.ABE_PRM register offsets */
+#define OMAP4_PM_ABE_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_ABE_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0000)
+#define OMAP4_PM_ABE_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_ABE_PWRSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0004)
+#define OMAP4_RM_ABE_AESS_CONTEXT_OFFSET		0x002c
 #define OMAP4430_RM_ABE_AESS_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x002c)
+#define OMAP4_PM_ABE_PDM_WKDEP_OFFSET			0x0030
 #define OMAP4430_PM_ABE_PDM_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0030)
+#define OMAP4_RM_ABE_PDM_CONTEXT_OFFSET			0x0034
 #define OMAP4430_RM_ABE_PDM_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0034)
+#define OMAP4_PM_ABE_DMIC_WKDEP_OFFSET			0x0038
 #define OMAP4430_PM_ABE_DMIC_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0038)
+#define OMAP4_RM_ABE_DMIC_CONTEXT_OFFSET		0x003c
 #define OMAP4430_RM_ABE_DMIC_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x003c)
+#define OMAP4_PM_ABE_MCASP_WKDEP_OFFSET			0x0040
 #define OMAP4430_PM_ABE_MCASP_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0040)
+#define OMAP4_RM_ABE_MCASP_CONTEXT_OFFSET		0x0044
 #define OMAP4430_RM_ABE_MCASP_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0044)
+#define OMAP4_PM_ABE_MCBSP1_WKDEP_OFFSET		0x0048
 #define OMAP4430_PM_ABE_MCBSP1_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0048)
+#define OMAP4_RM_ABE_MCBSP1_CONTEXT_OFFSET		0x004c
 #define OMAP4430_RM_ABE_MCBSP1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x004c)
+#define OMAP4_PM_ABE_MCBSP2_WKDEP_OFFSET		0x0050
 #define OMAP4430_PM_ABE_MCBSP2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0050)
+#define OMAP4_RM_ABE_MCBSP2_CONTEXT_OFFSET		0x0054
 #define OMAP4430_RM_ABE_MCBSP2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0054)
+#define OMAP4_PM_ABE_MCBSP3_WKDEP_OFFSET		0x0058
 #define OMAP4430_PM_ABE_MCBSP3_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0058)
+#define OMAP4_RM_ABE_MCBSP3_CONTEXT_OFFSET		0x005c
 #define OMAP4430_RM_ABE_MCBSP3_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x005c)
+#define OMAP4_PM_ABE_SLIMBUS_WKDEP_OFFSET		0x0060
 #define OMAP4430_PM_ABE_SLIMBUS_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0060)
+#define OMAP4_RM_ABE_SLIMBUS_CONTEXT_OFFSET		0x0064
 #define OMAP4430_RM_ABE_SLIMBUS_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0064)
+#define OMAP4_PM_ABE_TIMER5_WKDEP_OFFSET		0x0068
 #define OMAP4430_PM_ABE_TIMER5_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0068)
+#define OMAP4_RM_ABE_TIMER5_CONTEXT_OFFSET		0x006c
 #define OMAP4430_RM_ABE_TIMER5_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x006c)
+#define OMAP4_PM_ABE_TIMER6_WKDEP_OFFSET		0x0070
 #define OMAP4430_PM_ABE_TIMER6_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0070)
+#define OMAP4_RM_ABE_TIMER6_CONTEXT_OFFSET		0x0074
 #define OMAP4430_RM_ABE_TIMER6_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0074)
+#define OMAP4_PM_ABE_TIMER7_WKDEP_OFFSET		0x0078
 #define OMAP4430_PM_ABE_TIMER7_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0078)
+#define OMAP4_RM_ABE_TIMER7_CONTEXT_OFFSET		0x007c
 #define OMAP4430_RM_ABE_TIMER7_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x007c)
+#define OMAP4_PM_ABE_TIMER8_WKDEP_OFFSET		0x0080
 #define OMAP4430_PM_ABE_TIMER8_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0080)
+#define OMAP4_RM_ABE_TIMER8_CONTEXT_OFFSET		0x0084
 #define OMAP4430_RM_ABE_TIMER8_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0084)
+#define OMAP4_PM_ABE_WDT3_WKDEP_OFFSET			0x0088
 #define OMAP4430_PM_ABE_WDT3_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x0088)
+#define OMAP4_RM_ABE_WDT3_CONTEXT_OFFSET		0x008c
 #define OMAP4430_RM_ABE_WDT3_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_MOD, 0x008c)
 
 /* PRM.ALWAYS_ON_PRM register offsets */
+#define OMAP4_RM_ALWON_MDMINTC_CONTEXT_OFFSET		0x0024
 #define OMAP4430_RM_ALWON_MDMINTC_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_MOD, 0x0024)
+#define OMAP4_PM_ALWON_SR_MPU_WKDEP_OFFSET		0x0028
 #define OMAP4430_PM_ALWON_SR_MPU_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_MOD, 0x0028)
+#define OMAP4_RM_ALWON_SR_MPU_CONTEXT_OFFSET		0x002c
 #define OMAP4430_RM_ALWON_SR_MPU_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_MOD, 0x002c)
+#define OMAP4_PM_ALWON_SR_IVA_WKDEP_OFFSET		0x0030
 #define OMAP4430_PM_ALWON_SR_IVA_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_MOD, 0x0030)
+#define OMAP4_RM_ALWON_SR_IVA_CONTEXT_OFFSET		0x0034
 #define OMAP4430_RM_ALWON_SR_IVA_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_MOD, 0x0034)
+#define OMAP4_PM_ALWON_SR_CORE_WKDEP_OFFSET		0x0038
 #define OMAP4430_PM_ALWON_SR_CORE_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_MOD, 0x0038)
+#define OMAP4_RM_ALWON_SR_CORE_CONTEXT_OFFSET		0x003c
 #define OMAP4430_RM_ALWON_SR_CORE_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_MOD, 0x003c)
 
 /* PRM.CORE_PRM register offsets */
+#define OMAP4_PM_CORE_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_CORE_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0000)
+#define OMAP4_PM_CORE_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_CORE_PWRSTST			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0004)
+#define OMAP4_RM_L3_1_L3_1_CONTEXT_OFFSET		0x0024
 #define OMAP4430_RM_L3_1_L3_1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0024)
+#define OMAP4_RM_L3_2_L3_2_CONTEXT_OFFSET		0x0124
 #define OMAP4430_RM_L3_2_L3_2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0124)
+#define OMAP4_RM_L3_2_GPMC_CONTEXT_OFFSET		0x012c
 #define OMAP4430_RM_L3_2_GPMC_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x012c)
+#define OMAP4_RM_L3_2_OCMC_RAM_CONTEXT_OFFSET		0x0134
 #define OMAP4430_RM_L3_2_OCMC_RAM_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0134)
+#define OMAP4_RM_DUCATI_RSTCTRL_OFFSET			0x0210
 #define OMAP4430_RM_DUCATI_RSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0210)
+#define OMAP4_RM_DUCATI_RSTST_OFFSET			0x0214
 #define OMAP4430_RM_DUCATI_RSTST			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0214)
+#define OMAP4_RM_DUCATI_DUCATI_CONTEXT_OFFSET		0x0224
 #define OMAP4430_RM_DUCATI_DUCATI_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0224)
+#define OMAP4_RM_SDMA_SDMA_CONTEXT_OFFSET		0x0324
 #define OMAP4430_RM_SDMA_SDMA_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0324)
+#define OMAP4_RM_MEMIF_DMM_CONTEXT_OFFSET		0x0424
 #define OMAP4430_RM_MEMIF_DMM_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0424)
+#define OMAP4_RM_MEMIF_EMIF_FW_CONTEXT_OFFSET		0x042c
 #define OMAP4430_RM_MEMIF_EMIF_FW_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x042c)
+#define OMAP4_RM_MEMIF_EMIF_1_CONTEXT_OFFSET		0x0434
 #define OMAP4430_RM_MEMIF_EMIF_1_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0434)
+#define OMAP4_RM_MEMIF_EMIF_2_CONTEXT_OFFSET		0x043c
 #define OMAP4430_RM_MEMIF_EMIF_2_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x043c)
+#define OMAP4_RM_MEMIF_DLL_CONTEXT_OFFSET		0x0444
 #define OMAP4430_RM_MEMIF_DLL_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0444)
+#define OMAP4_RM_MEMIF_EMIF_H1_CONTEXT_OFFSET		0x0454
 #define OMAP4430_RM_MEMIF_EMIF_H1_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0454)
+#define OMAP4_RM_MEMIF_EMIF_H2_CONTEXT_OFFSET		0x045c
 #define OMAP4430_RM_MEMIF_EMIF_H2_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x045c)
+#define OMAP4_RM_MEMIF_DLL_H_CONTEXT_OFFSET		0x0464
 #define OMAP4430_RM_MEMIF_DLL_H_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0464)
+#define OMAP4_RM_D2D_SAD2D_CONTEXT_OFFSET		0x0524
 #define OMAP4430_RM_D2D_SAD2D_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0524)
+#define OMAP4_RM_D2D_MODEM_ICR_CONTEXT_OFFSET		0x052c
 #define OMAP4430_RM_D2D_MODEM_ICR_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x052c)
+#define OMAP4_RM_D2D_SAD2D_FW_CONTEXT_OFFSET		0x0534
 #define OMAP4430_RM_D2D_SAD2D_FW_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0534)
+#define OMAP4_RM_L4CFG_L4_CFG_CONTEXT_OFFSET		0x0624
 #define OMAP4430_RM_L4CFG_L4_CFG_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0624)
+#define OMAP4_RM_L4CFG_HW_SEM_CONTEXT_OFFSET		0x062c
 #define OMAP4430_RM_L4CFG_HW_SEM_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x062c)
+#define OMAP4_RM_L4CFG_MAILBOX_CONTEXT_OFFSET		0x0634
 #define OMAP4430_RM_L4CFG_MAILBOX_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0634)
+#define OMAP4_RM_L4CFG_SAR_ROM_CONTEXT_OFFSET		0x063c
 #define OMAP4430_RM_L4CFG_SAR_ROM_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x063c)
+#define OMAP4_RM_L3INSTR_L3_3_CONTEXT_OFFSET		0x0724
 #define OMAP4430_RM_L3INSTR_L3_3_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0724)
+#define OMAP4_RM_L3INSTR_L3_INSTR_CONTEXT_OFFSET	0x072c
 #define OMAP4430_RM_L3INSTR_L3_INSTR_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x072c)
+#define OMAP4_RM_L3INSTR_OCP_WP1_CONTEXT_OFFSET		0x0744
 #define OMAP4430_RM_L3INSTR_OCP_WP1_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_MOD, 0x0744)
 
 /* PRM.IVAHD_PRM register offsets */
+#define OMAP4_PM_IVAHD_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_IVAHD_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_MOD, 0x0000)
+#define OMAP4_PM_IVAHD_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_IVAHD_PWRSTST			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_MOD, 0x0004)
+#define OMAP4_RM_IVAHD_RSTCTRL_OFFSET			0x0010
 #define OMAP4430_RM_IVAHD_RSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_MOD, 0x0010)
+#define OMAP4_RM_IVAHD_RSTST_OFFSET			0x0014
 #define OMAP4430_RM_IVAHD_RSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_MOD, 0x0014)
+#define OMAP4_RM_IVAHD_IVAHD_CONTEXT_OFFSET		0x0024
 #define OMAP4430_RM_IVAHD_IVAHD_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_MOD, 0x0024)
+#define OMAP4_RM_IVAHD_SL2_CONTEXT_OFFSET		0x002c
 #define OMAP4430_RM_IVAHD_SL2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_MOD, 0x002c)
 
 /* PRM.CAM_PRM register offsets */
+#define OMAP4_PM_CAM_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_CAM_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CAM_MOD, 0x0000)
+#define OMAP4_PM_CAM_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_CAM_PWRSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CAM_MOD, 0x0004)
+#define OMAP4_RM_CAM_ISS_CONTEXT_OFFSET			0x0024
 #define OMAP4430_RM_CAM_ISS_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CAM_MOD, 0x0024)
+#define OMAP4_RM_CAM_FDIF_CONTEXT_OFFSET		0x002c
 #define OMAP4430_RM_CAM_FDIF_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CAM_MOD, 0x002c)
 
 /* PRM.DSS_PRM register offsets */
+#define OMAP4_PM_DSS_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_DSS_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_MOD, 0x0000)
+#define OMAP4_PM_DSS_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_DSS_PWRSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_MOD, 0x0004)
+#define OMAP4_PM_DSS_DSS_WKDEP_OFFSET			0x0020
 #define OMAP4430_PM_DSS_DSS_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_MOD, 0x0020)
+#define OMAP4_RM_DSS_DSS_CONTEXT_OFFSET			0x0024
 #define OMAP4430_RM_DSS_DSS_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_MOD, 0x0024)
+#define OMAP4_RM_DSS_DEISS_CONTEXT_OFFSET		0x002c
 #define OMAP4430_RM_DSS_DEISS_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_MOD, 0x002c)
 
 /* PRM.GFX_PRM register offsets */
+#define OMAP4_PM_GFX_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_GFX_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_GFX_MOD, 0x0000)
+#define OMAP4_PM_GFX_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_GFX_PWRSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_GFX_MOD, 0x0004)
+#define OMAP4_RM_GFX_GFX_CONTEXT_OFFSET			0x0024
 #define OMAP4430_RM_GFX_GFX_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_GFX_MOD, 0x0024)
 
 /* PRM.L3INIT_PRM register offsets */
+#define OMAP4_PM_L3INIT_PWRSTCTRL_OFFSET		0x0000
 #define OMAP4430_PM_L3INIT_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0000)
+#define OMAP4_PM_L3INIT_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_L3INIT_PWRSTST			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0004)
+#define OMAP4_PM_L3INIT_MMC1_WKDEP_OFFSET		0x0028
 #define OMAP4430_PM_L3INIT_MMC1_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0028)
+#define OMAP4_RM_L3INIT_MMC1_CONTEXT_OFFSET		0x002c
 #define OMAP4430_RM_L3INIT_MMC1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x002c)
+#define OMAP4_PM_L3INIT_MMC2_WKDEP_OFFSET		0x0030
 #define OMAP4430_PM_L3INIT_MMC2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0030)
+#define OMAP4_RM_L3INIT_MMC2_CONTEXT_OFFSET		0x0034
 #define OMAP4430_RM_L3INIT_MMC2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0034)
+#define OMAP4_PM_L3INIT_HSI_WKDEP_OFFSET		0x0038
 #define OMAP4430_PM_L3INIT_HSI_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0038)
+#define OMAP4_RM_L3INIT_HSI_CONTEXT_OFFSET		0x003c
 #define OMAP4430_RM_L3INIT_HSI_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x003c)
+#define OMAP4_PM_L3INIT_UNIPRO1_WKDEP_OFFSET		0x0040
 #define OMAP4430_PM_L3INIT_UNIPRO1_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0040)
+#define OMAP4_RM_L3INIT_UNIPRO1_CONTEXT_OFFSET		0x0044
 #define OMAP4430_RM_L3INIT_UNIPRO1_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0044)
+#define OMAP4_PM_L3INIT_USB_HOST_WKDEP_OFFSET		0x0058
 #define OMAP4430_PM_L3INIT_USB_HOST_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0058)
+#define OMAP4_RM_L3INIT_USB_HOST_CONTEXT_OFFSET		0x005c
 #define OMAP4430_RM_L3INIT_USB_HOST_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x005c)
+#define OMAP4_PM_L3INIT_USB_OTG_WKDEP_OFFSET		0x0060
 #define OMAP4430_PM_L3INIT_USB_OTG_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0060)
+#define OMAP4_RM_L3INIT_USB_OTG_CONTEXT_OFFSET		0x0064
 #define OMAP4430_RM_L3INIT_USB_OTG_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0064)
+#define OMAP4_PM_L3INIT_USB_TLL_WKDEP_OFFSET		0x0068
 #define OMAP4430_PM_L3INIT_USB_TLL_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0068)
+#define OMAP4_RM_L3INIT_USB_TLL_CONTEXT_OFFSET		0x006c
 #define OMAP4430_RM_L3INIT_USB_TLL_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x006c)
+#define OMAP4_RM_L3INIT_P1500_CONTEXT_OFFSET		0x007c
 #define OMAP4430_RM_L3INIT_P1500_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x007c)
+#define OMAP4_RM_L3INIT_EMAC_CONTEXT_OFFSET		0x0084
 #define OMAP4430_RM_L3INIT_EMAC_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0084)
+#define OMAP4_PM_L3INIT_SATA_WKDEP_OFFSET		0x0088
 #define OMAP4430_PM_L3INIT_SATA_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0088)
+#define OMAP4_RM_L3INIT_SATA_CONTEXT_OFFSET		0x008c
 #define OMAP4430_RM_L3INIT_SATA_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x008c)
+#define OMAP4_RM_L3INIT_TPPSS_CONTEXT_OFFSET		0x0094
 #define OMAP4430_RM_L3INIT_TPPSS_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0094)
+#define OMAP4_PM_L3INIT_PCIESS_WKDEP_OFFSET		0x0098
 #define OMAP4430_PM_L3INIT_PCIESS_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x0098)
+#define OMAP4_RM_L3INIT_PCIESS_CONTEXT_OFFSET		0x009c
 #define OMAP4430_RM_L3INIT_PCIESS_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x009c)
+#define OMAP4_RM_L3INIT_CCPTX_CONTEXT_OFFSET		0x00ac
 #define OMAP4430_RM_L3INIT_CCPTX_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x00ac)
+#define OMAP4_PM_L3INIT_XHPI_WKDEP_OFFSET		0x00c0
 #define OMAP4430_PM_L3INIT_XHPI_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x00c0)
+#define OMAP4_RM_L3INIT_XHPI_CONTEXT_OFFSET		0x00c4
 #define OMAP4430_RM_L3INIT_XHPI_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x00c4)
+#define OMAP4_PM_L3INIT_MMC6_WKDEP_OFFSET		0x00c8
 #define OMAP4430_PM_L3INIT_MMC6_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x00c8)
+#define OMAP4_RM_L3INIT_MMC6_CONTEXT_OFFSET		0x00cc
 #define OMAP4430_RM_L3INIT_MMC6_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x00cc)
+#define OMAP4_PM_L3INIT_USB_HOST_FS_WKDEP_OFFSET	0x00d0
 #define OMAP4430_PM_L3INIT_USB_HOST_FS_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x00d0)
+#define OMAP4_RM_L3INIT_USB_HOST_FS_CONTEXT_OFFSET	0x00d4
 #define OMAP4430_RM_L3INIT_USB_HOST_FS_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x00d4)
+#define OMAP4_RM_L3INIT_USBPHYOCP2SCP_CONTEXT_OFFSET	0x00e4
 #define OMAP4430_RM_L3INIT_USBPHYOCP2SCP_CONTEXT	OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_MOD, 0x00e4)
 
 /* PRM.L4PER_PRM register offsets */
+#define OMAP4_PM_L4PER_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_L4PER_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0000)
+#define OMAP4_PM_L4PER_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_L4PER_PWRSTST			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0004)
+#define OMAP4_RM_L4PER_ADC_CONTEXT_OFFSET		0x0024
 #define OMAP4430_RM_L4PER_ADC_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0024)
+#define OMAP4_PM_L4PER_DMTIMER10_WKDEP_OFFSET		0x0028
 #define OMAP4430_PM_L4PER_DMTIMER10_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0028)
+#define OMAP4_RM_L4PER_DMTIMER10_CONTEXT_OFFSET		0x002c
 #define OMAP4430_RM_L4PER_DMTIMER10_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x002c)
+#define OMAP4_PM_L4PER_DMTIMER11_WKDEP_OFFSET		0x0030
 #define OMAP4430_PM_L4PER_DMTIMER11_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0030)
+#define OMAP4_RM_L4PER_DMTIMER11_CONTEXT_OFFSET		0x0034
 #define OMAP4430_RM_L4PER_DMTIMER11_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0034)
+#define OMAP4_PM_L4PER_DMTIMER2_WKDEP_OFFSET		0x0038
 #define OMAP4430_PM_L4PER_DMTIMER2_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0038)
+#define OMAP4_RM_L4PER_DMTIMER2_CONTEXT_OFFSET		0x003c
 #define OMAP4430_RM_L4PER_DMTIMER2_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x003c)
+#define OMAP4_PM_L4PER_DMTIMER3_WKDEP_OFFSET		0x0040
 #define OMAP4430_PM_L4PER_DMTIMER3_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0040)
+#define OMAP4_RM_L4PER_DMTIMER3_CONTEXT_OFFSET		0x0044
 #define OMAP4430_RM_L4PER_DMTIMER3_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0044)
+#define OMAP4_PM_L4PER_DMTIMER4_WKDEP_OFFSET		0x0048
 #define OMAP4430_PM_L4PER_DMTIMER4_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0048)
+#define OMAP4_RM_L4PER_DMTIMER4_CONTEXT_OFFSET		0x004c
 #define OMAP4430_RM_L4PER_DMTIMER4_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x004c)
+#define OMAP4_PM_L4PER_DMTIMER9_WKDEP_OFFSET		0x0050
 #define OMAP4430_PM_L4PER_DMTIMER9_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0050)
+#define OMAP4_RM_L4PER_DMTIMER9_CONTEXT_OFFSET		0x0054
 #define OMAP4430_RM_L4PER_DMTIMER9_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0054)
+#define OMAP4_RM_L4PER_ELM_CONTEXT_OFFSET		0x005c
 #define OMAP4430_RM_L4PER_ELM_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x005c)
+#define OMAP4_PM_L4PER_GPIO2_WKDEP_OFFSET		0x0060
 #define OMAP4430_PM_L4PER_GPIO2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0060)
+#define OMAP4_RM_L4PER_GPIO2_CONTEXT_OFFSET		0x0064
 #define OMAP4430_RM_L4PER_GPIO2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0064)
+#define OMAP4_PM_L4PER_GPIO3_WKDEP_OFFSET		0x0068
 #define OMAP4430_PM_L4PER_GPIO3_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0068)
+#define OMAP4_RM_L4PER_GPIO3_CONTEXT_OFFSET		0x006c
 #define OMAP4430_RM_L4PER_GPIO3_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x006c)
+#define OMAP4_PM_L4PER_GPIO4_WKDEP_OFFSET		0x0070
 #define OMAP4430_PM_L4PER_GPIO4_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0070)
+#define OMAP4_RM_L4PER_GPIO4_CONTEXT_OFFSET		0x0074
 #define OMAP4430_RM_L4PER_GPIO4_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0074)
+#define OMAP4_PM_L4PER_GPIO5_WKDEP_OFFSET		0x0078
 #define OMAP4430_PM_L4PER_GPIO5_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0078)
+#define OMAP4_RM_L4PER_GPIO5_CONTEXT_OFFSET		0x007c
 #define OMAP4430_RM_L4PER_GPIO5_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x007c)
+#define OMAP4_PM_L4PER_GPIO6_WKDEP_OFFSET		0x0080
 #define OMAP4430_PM_L4PER_GPIO6_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0080)
+#define OMAP4_RM_L4PER_GPIO6_CONTEXT_OFFSET		0x0084
 #define OMAP4430_RM_L4PER_GPIO6_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0084)
+#define OMAP4_RM_L4PER_HDQ1W_CONTEXT_OFFSET		0x008c
 #define OMAP4430_RM_L4PER_HDQ1W_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x008c)
+#define OMAP4_PM_L4PER_HECC1_WKDEP_OFFSET		0x0090
 #define OMAP4430_PM_L4PER_HECC1_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0090)
+#define OMAP4_RM_L4PER_HECC1_CONTEXT_OFFSET		0x0094
 #define OMAP4430_RM_L4PER_HECC1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0094)
+#define OMAP4_PM_L4PER_HECC2_WKDEP_OFFSET		0x0098
 #define OMAP4430_PM_L4PER_HECC2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0098)
+#define OMAP4_RM_L4PER_HECC2_CONTEXT_OFFSET		0x009c
 #define OMAP4430_RM_L4PER_HECC2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x009c)
+#define OMAP4_PM_L4PER_I2C1_WKDEP_OFFSET		0x00a0
 #define OMAP4430_PM_L4PER_I2C1_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00a0)
+#define OMAP4_RM_L4PER_I2C1_CONTEXT_OFFSET		0x00a4
 #define OMAP4430_RM_L4PER_I2C1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00a4)
+#define OMAP4_PM_L4PER_I2C2_WKDEP_OFFSET		0x00a8
 #define OMAP4430_PM_L4PER_I2C2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00a8)
+#define OMAP4_RM_L4PER_I2C2_CONTEXT_OFFSET		0x00ac
 #define OMAP4430_RM_L4PER_I2C2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00ac)
+#define OMAP4_PM_L4PER_I2C3_WKDEP_OFFSET		0x00b0
 #define OMAP4430_PM_L4PER_I2C3_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00b0)
+#define OMAP4_RM_L4PER_I2C3_CONTEXT_OFFSET		0x00b4
 #define OMAP4430_RM_L4PER_I2C3_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00b4)
+#define OMAP4_PM_L4PER_I2C4_WKDEP_OFFSET		0x00b8
 #define OMAP4430_PM_L4PER_I2C4_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00b8)
+#define OMAP4_RM_L4PER_I2C4_CONTEXT_OFFSET		0x00bc
 #define OMAP4430_RM_L4PER_I2C4_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00bc)
+#define OMAP4_RM_L4PER_L4_PER_CONTEXT_OFFSET		0x00c0
 #define OMAP4430_RM_L4PER_L4_PER_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00c0)
+#define OMAP4_PM_L4PER_MCASP2_WKDEP_OFFSET		0x00d0
 #define OMAP4430_PM_L4PER_MCASP2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00d0)
+#define OMAP4_RM_L4PER_MCASP2_CONTEXT_OFFSET		0x00d4
 #define OMAP4430_RM_L4PER_MCASP2_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00d4)
+#define OMAP4_PM_L4PER_MCASP3_WKDEP_OFFSET		0x00d8
 #define OMAP4430_PM_L4PER_MCASP3_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00d8)
+#define OMAP4_RM_L4PER_MCASP3_CONTEXT_OFFSET		0x00dc
 #define OMAP4430_RM_L4PER_MCASP3_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00dc)
+#define OMAP4_PM_L4PER_MCBSP4_WKDEP_OFFSET		0x00e0
 #define OMAP4430_PM_L4PER_MCBSP4_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00e0)
+#define OMAP4_RM_L4PER_MCBSP4_CONTEXT_OFFSET		0x00e4
 #define OMAP4430_RM_L4PER_MCBSP4_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00e4)
+#define OMAP4_RM_L4PER_MGATE_CONTEXT_OFFSET		0x00ec
 #define OMAP4430_RM_L4PER_MGATE_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00ec)
+#define OMAP4_PM_L4PER_MCSPI1_WKDEP_OFFSET		0x00f0
 #define OMAP4430_PM_L4PER_MCSPI1_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00f0)
+#define OMAP4_RM_L4PER_MCSPI1_CONTEXT_OFFSET		0x00f4
 #define OMAP4430_RM_L4PER_MCSPI1_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00f4)
+#define OMAP4_PM_L4PER_MCSPI2_WKDEP_OFFSET		0x00f8
 #define OMAP4430_PM_L4PER_MCSPI2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00f8)
+#define OMAP4_RM_L4PER_MCSPI2_CONTEXT_OFFSET		0x00fc
 #define OMAP4430_RM_L4PER_MCSPI2_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x00fc)
+#define OMAP4_PM_L4PER_MCSPI3_WKDEP_OFFSET		0x0100
 #define OMAP4430_PM_L4PER_MCSPI3_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0100)
+#define OMAP4_RM_L4PER_MCSPI3_CONTEXT_OFFSET		0x0104
 #define OMAP4430_RM_L4PER_MCSPI3_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0104)
+#define OMAP4_PM_L4PER_MCSPI4_WKDEP_OFFSET		0x0108
 #define OMAP4430_PM_L4PER_MCSPI4_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0108)
+#define OMAP4_RM_L4PER_MCSPI4_CONTEXT_OFFSET		0x010c
 #define OMAP4430_RM_L4PER_MCSPI4_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x010c)
+#define OMAP4_PM_L4PER_MMCSD3_WKDEP_OFFSET		0x0120
 #define OMAP4430_PM_L4PER_MMCSD3_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0120)
+#define OMAP4_RM_L4PER_MMCSD3_CONTEXT_OFFSET		0x0124
 #define OMAP4430_RM_L4PER_MMCSD3_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0124)
+#define OMAP4_PM_L4PER_MMCSD4_WKDEP_OFFSET		0x0128
 #define OMAP4430_PM_L4PER_MMCSD4_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0128)
+#define OMAP4_RM_L4PER_MMCSD4_CONTEXT_OFFSET		0x012c
 #define OMAP4430_RM_L4PER_MMCSD4_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x012c)
+#define OMAP4_RM_L4PER_MSPROHG_CONTEXT_OFFSET		0x0134
 #define OMAP4430_RM_L4PER_MSPROHG_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0134)
+#define OMAP4_PM_L4PER_SLIMBUS2_WKDEP_OFFSET		0x0138
 #define OMAP4430_PM_L4PER_SLIMBUS2_WKDEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0138)
+#define OMAP4_RM_L4PER_SLIMBUS2_CONTEXT_OFFSET		0x013c
 #define OMAP4430_RM_L4PER_SLIMBUS2_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x013c)
+#define OMAP4_PM_L4PER_UART1_WKDEP_OFFSET		0x0140
 #define OMAP4430_PM_L4PER_UART1_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0140)
+#define OMAP4_RM_L4PER_UART1_CONTEXT_OFFSET		0x0144
 #define OMAP4430_RM_L4PER_UART1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0144)
+#define OMAP4_PM_L4PER_UART2_WKDEP_OFFSET		0x0148
 #define OMAP4430_PM_L4PER_UART2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0148)
+#define OMAP4_RM_L4PER_UART2_CONTEXT_OFFSET		0x014c
 #define OMAP4430_RM_L4PER_UART2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x014c)
+#define OMAP4_PM_L4PER_UART3_WKDEP_OFFSET		0x0150
 #define OMAP4430_PM_L4PER_UART3_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0150)
+#define OMAP4_RM_L4PER_UART3_CONTEXT_OFFSET		0x0154
 #define OMAP4430_RM_L4PER_UART3_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0154)
+#define OMAP4_PM_L4PER_UART4_WKDEP_OFFSET		0x0158
 #define OMAP4430_PM_L4PER_UART4_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0158)
+#define OMAP4_RM_L4PER_UART4_CONTEXT_OFFSET		0x015c
 #define OMAP4430_RM_L4PER_UART4_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x015c)
+#define OMAP4_PM_L4PER_MMCSD5_WKDEP_OFFSET		0x0160
 #define OMAP4430_PM_L4PER_MMCSD5_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0160)
+#define OMAP4_RM_L4PER_MMCSD5_CONTEXT_OFFSET		0x0164
 #define OMAP4430_RM_L4PER_MMCSD5_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0164)
+#define OMAP4_PM_L4PER_I2C5_WKDEP_OFFSET		0x0168
 #define OMAP4430_PM_L4PER_I2C5_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x0168)
+#define OMAP4_RM_L4PER_I2C5_CONTEXT_OFFSET		0x016c
 #define OMAP4430_RM_L4PER_I2C5_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x016c)
+#define OMAP4_RM_L4SEC_AES1_CONTEXT_OFFSET		0x01a4
 #define OMAP4430_RM_L4SEC_AES1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x01a4)
+#define OMAP4_RM_L4SEC_AES2_CONTEXT_OFFSET		0x01ac
 #define OMAP4430_RM_L4SEC_AES2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x01ac)
+#define OMAP4_RM_L4SEC_DES3DES_CONTEXT_OFFSET		0x01b4
 #define OMAP4430_RM_L4SEC_DES3DES_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x01b4)
+#define OMAP4_RM_L4SEC_PKAEIP29_CONTEXT_OFFSET		0x01bc
 #define OMAP4430_RM_L4SEC_PKAEIP29_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x01bc)
+#define OMAP4_RM_L4SEC_RNG_CONTEXT_OFFSET		0x01c4
 #define OMAP4430_RM_L4SEC_RNG_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x01c4)
+#define OMAP4_RM_L4SEC_SHA2MD51_CONTEXT_OFFSET		0x01cc
 #define OMAP4430_RM_L4SEC_SHA2MD51_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x01cc)
+#define OMAP4_RM_L4SEC_CRYPTODMA_CONTEXT_OFFSET		0x01dc
 #define OMAP4430_RM_L4SEC_CRYPTODMA_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_MOD, 0x01dc)
 
 /* PRM.CEFUSE_PRM register offsets */
+#define OMAP4_PM_CEFUSE_PWRSTCTRL_OFFSET		0x0000
 #define OMAP4430_PM_CEFUSE_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CEFUSE_MOD, 0x0000)
+#define OMAP4_PM_CEFUSE_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_CEFUSE_PWRSTST			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CEFUSE_MOD, 0x0004)
+#define OMAP4_RM_CEFUSE_CEFUSE_CONTEXT_OFFSET		0x0024
 #define OMAP4430_RM_CEFUSE_CEFUSE_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CEFUSE_MOD, 0x0024)
 
 /* PRM.WKUP_PRM register offsets */
+#define OMAP4_RM_WKUP_L4WKUP_CONTEXT_OFFSET		0x0024
 #define OMAP4430_RM_WKUP_L4WKUP_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0024)
+#define OMAP4_RM_WKUP_WDT1_CONTEXT_OFFSET		0x002c
 #define OMAP4430_RM_WKUP_WDT1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x002c)
+#define OMAP4_PM_WKUP_WDT2_WKDEP_OFFSET			0x0030
 #define OMAP4430_PM_WKUP_WDT2_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0030)
+#define OMAP4_RM_WKUP_WDT2_CONTEXT_OFFSET		0x0034
 #define OMAP4430_RM_WKUP_WDT2_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0034)
+#define OMAP4_PM_WKUP_GPIO1_WKDEP_OFFSET		0x0038
 #define OMAP4430_PM_WKUP_GPIO1_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0038)
+#define OMAP4_RM_WKUP_GPIO1_CONTEXT_OFFSET		0x003c
 #define OMAP4430_RM_WKUP_GPIO1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x003c)
+#define OMAP4_PM_WKUP_TIMER1_WKDEP_OFFSET		0x0040
 #define OMAP4430_PM_WKUP_TIMER1_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0040)
+#define OMAP4_RM_WKUP_TIMER1_CONTEXT_OFFSET		0x0044
 #define OMAP4430_RM_WKUP_TIMER1_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0044)
+#define OMAP4_PM_WKUP_TIMER12_WKDEP_OFFSET		0x0048
 #define OMAP4430_PM_WKUP_TIMER12_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0048)
+#define OMAP4_RM_WKUP_TIMER12_CONTEXT_OFFSET		0x004c
 #define OMAP4430_RM_WKUP_TIMER12_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x004c)
+#define OMAP4_RM_WKUP_SYNCTIMER_CONTEXT_OFFSET		0x0054
 #define OMAP4430_RM_WKUP_SYNCTIMER_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0054)
+#define OMAP4_PM_WKUP_USIM_WKDEP_OFFSET			0x0058
 #define OMAP4430_PM_WKUP_USIM_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0058)
+#define OMAP4_RM_WKUP_USIM_CONTEXT_OFFSET		0x005c
 #define OMAP4430_RM_WKUP_USIM_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x005c)
+#define OMAP4_RM_WKUP_SARRAM_CONTEXT_OFFSET		0x0064
 #define OMAP4430_RM_WKUP_SARRAM_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0064)
+#define OMAP4_PM_WKUP_KEYBOARD_WKDEP_OFFSET		0x0078
 #define OMAP4430_PM_WKUP_KEYBOARD_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0078)
+#define OMAP4_RM_WKUP_KEYBOARD_CONTEXT_OFFSET		0x007c
 #define OMAP4430_RM_WKUP_KEYBOARD_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x007c)
+#define OMAP4_PM_WKUP_RTC_WKDEP_OFFSET			0x0080
 #define OMAP4430_PM_WKUP_RTC_WKDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0080)
+#define OMAP4_RM_WKUP_RTC_CONTEXT_OFFSET		0x0084
 #define OMAP4430_RM_WKUP_RTC_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_MOD, 0x0084)
 
 /* PRM.WKUP_CM register offsets */
+#define OMAP4_CM_WKUP_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_WKUP_CLKSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0000)
+#define OMAP4_CM_WKUP_L4WKUP_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM_WKUP_L4WKUP_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0020)
+#define OMAP4_CM_WKUP_WDT1_CLKCTRL_OFFSET		0x0028
 #define OMAP4430_CM_WKUP_WDT1_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0028)
+#define OMAP4_CM_WKUP_WDT2_CLKCTRL_OFFSET		0x0030
 #define OMAP4430_CM_WKUP_WDT2_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0030)
+#define OMAP4_CM_WKUP_GPIO1_CLKCTRL_OFFSET		0x0038
 #define OMAP4430_CM_WKUP_GPIO1_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0038)
+#define OMAP4_CM_WKUP_TIMER1_CLKCTRL_OFFSET		0x0040
 #define OMAP4430_CM_WKUP_TIMER1_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0040)
+#define OMAP4_CM_WKUP_TIMER12_CLKCTRL_OFFSET		0x0048
 #define OMAP4430_CM_WKUP_TIMER12_CLKCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0048)
+#define OMAP4_CM_WKUP_SYNCTIMER_CLKCTRL_OFFSET		0x0050
 #define OMAP4430_CM_WKUP_SYNCTIMER_CLKCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0050)
+#define OMAP4_CM_WKUP_USIM_CLKCTRL_OFFSET		0x0058
 #define OMAP4430_CM_WKUP_USIM_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0058)
+#define OMAP4_CM_WKUP_SARRAM_CLKCTRL_OFFSET		0x0060
 #define OMAP4430_CM_WKUP_SARRAM_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0060)
+#define OMAP4_CM_WKUP_KEYBOARD_CLKCTRL_OFFSET		0x0078
 #define OMAP4430_CM_WKUP_KEYBOARD_CLKCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0078)
+#define OMAP4_CM_WKUP_RTC_CLKCTRL_OFFSET		0x0080
 #define OMAP4430_CM_WKUP_RTC_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0080)
+#define OMAP4_CM_WKUP_BANDGAP_CLKCTRL_OFFSET		0x0088
 #define OMAP4430_CM_WKUP_BANDGAP_CLKCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_MOD, 0x0088)
 
 /* PRM.EMU_PRM register offsets */
+#define OMAP4_PM_EMU_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_EMU_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_MOD, 0x0000)
+#define OMAP4_PM_EMU_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_EMU_PWRSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_MOD, 0x0004)
+#define OMAP4_RM_EMU_DEBUGSS_CONTEXT_OFFSET		0x0024
 #define OMAP4430_RM_EMU_DEBUGSS_CONTEXT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_MOD, 0x0024)
 
 /* PRM.EMU_CM register offsets */
+#define OMAP4_CM_EMU_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_EMU_CLKSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_CM_MOD, 0x0000)
+#define OMAP4_CM_EMU_DYNAMICDEP_OFFSET			0x0008
 #define OMAP4430_CM_EMU_DYNAMICDEP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_CM_MOD, 0x0008)
+#define OMAP4_CM_EMU_DEBUGSS_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM_EMU_DEBUGSS_CLKCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_CM_MOD, 0x0020)
 
 /* PRM.DEVICE_PRM register offsets */
+#define OMAP4_PRM_RSTCTRL_OFFSET			0x0000
 #define OMAP4430_PRM_RSTCTRL				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0000)
+#define OMAP4_PRM_RSTST_OFFSET				0x0004
 #define OMAP4430_PRM_RSTST				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0004)
+#define OMAP4_PRM_RSTTIME_OFFSET			0x0008
 #define OMAP4430_PRM_RSTTIME				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0008)
+#define OMAP4_PRM_CLKREQCTRL_OFFSET			0x000c
 #define OMAP4430_PRM_CLKREQCTRL				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x000c)
+#define OMAP4_PRM_VOLTCTRL_OFFSET			0x0010
 #define OMAP4430_PRM_VOLTCTRL				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0010)
+#define OMAP4_PRM_PWRREQCTRL_OFFSET			0x0014
 #define OMAP4430_PRM_PWRREQCTRL				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0014)
+#define OMAP4_PRM_PSCON_COUNT_OFFSET			0x0018
 #define OMAP4430_PRM_PSCON_COUNT			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0018)
+#define OMAP4_PRM_IO_COUNT_OFFSET			0x001c
 #define OMAP4430_PRM_IO_COUNT				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x001c)
+#define OMAP4_PRM_IO_PMCTRL_OFFSET			0x0020
 #define OMAP4430_PRM_IO_PMCTRL				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0020)
+#define OMAP4_PRM_VOLTSETUP_WARMRESET_OFFSET		0x0024
 #define OMAP4430_PRM_VOLTSETUP_WARMRESET		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0024)
+#define OMAP4_PRM_VOLTSETUP_CORE_OFF_OFFSET		0x0028
 #define OMAP4430_PRM_VOLTSETUP_CORE_OFF			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0028)
+#define OMAP4_PRM_VOLTSETUP_MPU_OFF_OFFSET		0x002c
 #define OMAP4430_PRM_VOLTSETUP_MPU_OFF			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x002c)
+#define OMAP4_PRM_VOLTSETUP_IVA_OFF_OFFSET		0x0030
 #define OMAP4430_PRM_VOLTSETUP_IVA_OFF			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0030)
+#define OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET	0x0034
 #define OMAP4430_PRM_VOLTSETUP_CORE_RET_SLEEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0034)
+#define OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET	0x0038
 #define OMAP4430_PRM_VOLTSETUP_MPU_RET_SLEEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0038)
+#define OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET	0x003c
 #define OMAP4430_PRM_VOLTSETUP_IVA_RET_SLEEP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x003c)
+#define OMAP4_PRM_VP_CORE_CONFIG_OFFSET			0x0040
 #define OMAP4430_PRM_VP_CORE_CONFIG			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0040)
+#define OMAP4_PRM_VP_CORE_STATUS_OFFSET			0x0044
 #define OMAP4430_PRM_VP_CORE_STATUS			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0044)
+#define OMAP4_PRM_VP_CORE_VLIMITTO_OFFSET		0x0048
 #define OMAP4430_PRM_VP_CORE_VLIMITTO			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0048)
+#define OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET		0x004c
 #define OMAP4430_PRM_VP_CORE_VOLTAGE			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x004c)
+#define OMAP4_PRM_VP_CORE_VSTEPMAX_OFFSET		0x0050
 #define OMAP4430_PRM_VP_CORE_VSTEPMAX			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0050)
+#define OMAP4_PRM_VP_CORE_VSTEPMIN_OFFSET		0x0054
 #define OMAP4430_PRM_VP_CORE_VSTEPMIN			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0054)
+#define OMAP4_PRM_VP_MPU_CONFIG_OFFSET			0x0058
 #define OMAP4430_PRM_VP_MPU_CONFIG			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0058)
+#define OMAP4_PRM_VP_MPU_STATUS_OFFSET			0x005c
 #define OMAP4430_PRM_VP_MPU_STATUS			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x005c)
+#define OMAP4_PRM_VP_MPU_VLIMITTO_OFFSET		0x0060
 #define OMAP4430_PRM_VP_MPU_VLIMITTO			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0060)
+#define OMAP4_PRM_VP_MPU_VOLTAGE_OFFSET			0x0064
 #define OMAP4430_PRM_VP_MPU_VOLTAGE			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0064)
+#define OMAP4_PRM_VP_MPU_VSTEPMAX_OFFSET		0x0068
 #define OMAP4430_PRM_VP_MPU_VSTEPMAX			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0068)
+#define OMAP4_PRM_VP_MPU_VSTEPMIN_OFFSET		0x006c
 #define OMAP4430_PRM_VP_MPU_VSTEPMIN			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x006c)
+#define OMAP4_PRM_VP_IVA_CONFIG_OFFSET			0x0070
 #define OMAP4430_PRM_VP_IVA_CONFIG			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0070)
+#define OMAP4_PRM_VP_IVA_STATUS_OFFSET			0x0074
 #define OMAP4430_PRM_VP_IVA_STATUS			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0074)
+#define OMAP4_PRM_VP_IVA_VLIMITTO_OFFSET		0x0078
 #define OMAP4430_PRM_VP_IVA_VLIMITTO			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0078)
+#define OMAP4_PRM_VP_IVA_VOLTAGE_OFFSET			0x007c
 #define OMAP4430_PRM_VP_IVA_VOLTAGE			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x007c)
+#define OMAP4_PRM_VP_IVA_VSTEPMAX_OFFSET		0x0080
 #define OMAP4430_PRM_VP_IVA_VSTEPMAX			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0080)
+#define OMAP4_PRM_VP_IVA_VSTEPMIN_OFFSET		0x0084
 #define OMAP4430_PRM_VP_IVA_VSTEPMIN			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0084)
+#define OMAP4_PRM_VC_SMPS_SA_OFFSET			0x0088
 #define OMAP4430_PRM_VC_SMPS_SA				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0088)
+#define OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET		0x008c
 #define OMAP4430_PRM_VC_VAL_SMPS_RA_VOL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x008c)
+#define OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET		0x0090
 #define OMAP4430_PRM_VC_VAL_SMPS_RA_CMD			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0090)
+#define OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET		0x0094
 #define OMAP4430_PRM_VC_VAL_CMD_VDD_CORE_L		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0094)
+#define OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET		0x0098
 #define OMAP4430_PRM_VC_VAL_CMD_VDD_MPU_L		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x0098)
+#define OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET		0x009c
 #define OMAP4430_PRM_VC_VAL_CMD_VDD_IVA_L		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x009c)
+#define OMAP4_PRM_VC_VAL_BYPASS_OFFSET			0x00a0
 #define OMAP4430_PRM_VC_VAL_BYPASS			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00a0)
+#define OMAP4_PRM_VC_CFG_CHANNEL_OFFSET			0x00a4
 #define OMAP4430_PRM_VC_CFG_CHANNEL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00a4)
+#define OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET		0x00a8
 #define OMAP4430_PRM_VC_CFG_I2C_MODE			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00a8)
+#define OMAP4_PRM_VC_CFG_I2C_CLK_OFFSET			0x00ac
 #define OMAP4430_PRM_VC_CFG_I2C_CLK			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00ac)
+#define OMAP4_PRM_SRAM_COUNT_OFFSET			0x00b0
 #define OMAP4430_PRM_SRAM_COUNT				OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00b0)
+#define OMAP4_PRM_SRAM_WKUP_SETUP_OFFSET		0x00b4
 #define OMAP4430_PRM_SRAM_WKUP_SETUP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00b4)
+#define OMAP4_PRM_LDO_SRAM_CORE_SETUP_OFFSET		0x00b8
 #define OMAP4430_PRM_LDO_SRAM_CORE_SETUP		OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00b8)
+#define OMAP4_PRM_LDO_SRAM_CORE_CTRL_OFFSET		0x00bc
 #define OMAP4430_PRM_LDO_SRAM_CORE_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00bc)
+#define OMAP4_PRM_LDO_SRAM_MPU_SETUP_OFFSET		0x00c0
 #define OMAP4430_PRM_LDO_SRAM_MPU_SETUP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00c0)
+#define OMAP4_PRM_LDO_SRAM_MPU_CTRL_OFFSET		0x00c4
 #define OMAP4430_PRM_LDO_SRAM_MPU_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00c4)
+#define OMAP4_PRM_LDO_SRAM_IVA_SETUP_OFFSET		0x00c8
 #define OMAP4430_PRM_LDO_SRAM_IVA_SETUP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00c8)
+#define OMAP4_PRM_LDO_SRAM_IVA_CTRL_OFFSET		0x00cc
 #define OMAP4430_PRM_LDO_SRAM_IVA_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00cc)
+#define OMAP4_PRM_LDO_ABB_MPU_SETUP_OFFSET		0x00d0
 #define OMAP4430_PRM_LDO_ABB_MPU_SETUP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00d0)
+#define OMAP4_PRM_LDO_ABB_MPU_CTRL_OFFSET		0x00d4
 #define OMAP4430_PRM_LDO_ABB_MPU_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00d4)
+#define OMAP4_PRM_LDO_ABB_IVA_SETUP_OFFSET		0x00d8
 #define OMAP4430_PRM_LDO_ABB_IVA_SETUP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00d8)
+#define OMAP4_PRM_LDO_ABB_IVA_CTRL_OFFSET		0x00dc
 #define OMAP4430_PRM_LDO_ABB_IVA_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00dc)
+#define OMAP4_PRM_LDO_BANDGAP_CTRL_OFFSET		0x00e0
 #define OMAP4430_PRM_LDO_BANDGAP_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00e0)
+#define OMAP4_PRM_DEVICE_OFF_CTRL_OFFSET		0x00e4
 #define OMAP4430_PRM_DEVICE_OFF_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00e4)
+#define OMAP4_PRM_PHASE1_CNDP_OFFSET			0x00e8
 #define OMAP4430_PRM_PHASE1_CNDP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00e8)
+#define OMAP4_PRM_PHASE2A_CNDP_OFFSET			0x00ec
 #define OMAP4430_PRM_PHASE2A_CNDP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00ec)
+#define OMAP4_PRM_PHASE2B_CNDP_OFFSET			0x00f0
 #define OMAP4430_PRM_PHASE2B_CNDP			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00f0)
+#define OMAP4_PRM_MODEM_IF_CTRL_OFFSET			0x00f4
 #define OMAP4430_PRM_MODEM_IF_CTRL			OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_MOD, 0x00f4)
 
 /*
@@ -391,26 +709,42 @@
  */
 
 /* PRCM_MPU.OCP_SOCKET_PRCM register offsets */
+#define OMAP4_REVISION_PRCM_OFFSET			0x0000
 #define OMAP4430_REVISION_PRCM				OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_OCP_SOCKET_PRCM_MOD, 0x0000)
 
 /* PRCM_MPU.DEVICE_PRM register offsets */
+#define OMAP4_PRCM_MPU_PRM_RSTST_OFFSET			0x0000
 #define OMAP4430_PRCM_MPU_PRM_RSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_DEVICE_PRM_MOD, 0x0000)
 
 /* PRCM_MPU.CPU0 register offsets */
+#define OMAP4_PM_CPU0_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_CPU0_PWRSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0000)
+#define OMAP4_PM_CPU0_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_CPU0_PWRSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0004)
+#define OMAP4_RM_CPU0_CPU0_CONTEXT_OFFSET		0x0008
 #define OMAP4430_RM_CPU0_CPU0_CONTEXT			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0008)
+#define OMAP4_RM_CPU0_CPU0_RSTCTRL_OFFSET		0x000c
 #define OMAP4430_RM_CPU0_CPU0_RSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x000c)
+#define OMAP4_RM_CPU0_CPU0_RSTST_OFFSET			0x0010
 #define OMAP4430_RM_CPU0_CPU0_RSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0010)
+#define OMAP4_CM_CPU0_CPU0_CLKCTRL_OFFSET		0x0014
 #define OMAP4430_CM_CPU0_CPU0_CLKCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0014)
+#define OMAP4_CM_CPU0_CLKSTCTRL_OFFSET			0x0018
 #define OMAP4430_CM_CPU0_CLKSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU0_MOD, 0x0018)
 
 /* PRCM_MPU.CPU1 register offsets */
+#define OMAP4_PM_CPU1_PWRSTCTRL_OFFSET			0x0000
 #define OMAP4430_PM_CPU1_PWRSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0000)
+#define OMAP4_PM_CPU1_PWRSTST_OFFSET			0x0004
 #define OMAP4430_PM_CPU1_PWRSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0004)
+#define OMAP4_RM_CPU1_CPU1_CONTEXT_OFFSET		0x0008
 #define OMAP4430_RM_CPU1_CPU1_CONTEXT			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0008)
+#define OMAP4_RM_CPU1_CPU1_RSTCTRL_OFFSET		0x000c
 #define OMAP4430_RM_CPU1_CPU1_RSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x000c)
+#define OMAP4_RM_CPU1_CPU1_RSTST_OFFSET			0x0010
 #define OMAP4430_RM_CPU1_CPU1_RSTST			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0010)
+#define OMAP4_CM_CPU1_CPU1_CLKCTRL_OFFSET		0x0014
 #define OMAP4430_CM_CPU1_CPU1_CLKCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0014)
+#define OMAP4_CM_CPU1_CLKSTCTRL_OFFSET			0x0018
 #define OMAP4430_CM_CPU1_CLKSTCTRL			OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_MOD, 0x0018)
 #endif

From fe894d56322b10910631800b86f25f13bc64c639 Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <rnayak@ti.com>
Date: Thu, 20 May 2010 12:31:12 -0600
Subject: [PATCH 2386/3638] OMAP4: PRCM: Add offset defines for all CM
 registers

The cm44xx.h files only had absolute register address
defines for all CM registers.
This patch adds additional register offset defines for all the
registers, so they can be used with apis like cm_read_mod_*

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/cm44xx.h | 260 +++++++++++++++++++++++++++++++++++
 1 file changed, 260 insertions(+)

diff --git a/arch/arm/mach-omap2/cm44xx.h b/arch/arm/mach-omap2/cm44xx.h
index b889ac63373..336d94889e5 100644
--- a/arch/arm/mach-omap2/cm44xx.h
+++ b/arch/arm/mach-omap2/cm44xx.h
@@ -26,296 +26,556 @@
 /* CM1 */
 
 /* CM1.OCP_SOCKET_CM1 register offsets */
+#define OMAP4_REVISION_CM1_OFFSET			0x0000
 #define OMAP4430_REVISION_CM1				OMAP44XX_CM1_REGADDR(OMAP4430_CM1_OCP_SOCKET_MOD, 0x0000)
+#define OMAP4_CM_CM1_PROFILING_CLKCTRL_OFFSET		0x0040
 #define OMAP4430_CM_CM1_PROFILING_CLKCTRL		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_OCP_SOCKET_MOD, 0x0040)
 
 /* CM1.CKGEN_CM1 register offsets */
+#define OMAP4_CM_CLKSEL_CORE_OFFSET			0x0000
 #define OMAP4430_CM_CLKSEL_CORE				OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0000)
+#define OMAP4_CM_CLKSEL_ABE_OFFSET			0x0008
 #define OMAP4430_CM_CLKSEL_ABE				OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0008)
+#define OMAP4_CM_DLL_CTRL_OFFSET			0x0010
 #define OMAP4430_CM_DLL_CTRL				OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0010)
+#define OMAP4_CM_CLKMODE_DPLL_CORE_OFFSET		0x0020
 #define OMAP4430_CM_CLKMODE_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0020)
+#define OMAP4_CM_IDLEST_DPLL_CORE_OFFSET		0x0024
 #define OMAP4430_CM_IDLEST_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0024)
+#define OMAP4_CM_AUTOIDLE_DPLL_CORE_OFFSET		0x0028
 #define OMAP4430_CM_AUTOIDLE_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0028)
+#define OMAP4_CM_CLKSEL_DPLL_CORE_OFFSET		0x002c
 #define OMAP4430_CM_CLKSEL_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x002c)
+#define OMAP4_CM_DIV_M2_DPLL_CORE_OFFSET		0x0030
 #define OMAP4430_CM_DIV_M2_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0030)
+#define OMAP4_CM_DIV_M3_DPLL_CORE_OFFSET		0x0034
 #define OMAP4430_CM_DIV_M3_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0034)
+#define OMAP4_CM_DIV_M4_DPLL_CORE_OFFSET		0x0038
 #define OMAP4430_CM_DIV_M4_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0038)
+#define OMAP4_CM_DIV_M5_DPLL_CORE_OFFSET		0x003c
 #define OMAP4430_CM_DIV_M5_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x003c)
+#define OMAP4_CM_DIV_M6_DPLL_CORE_OFFSET		0x0040
 #define OMAP4430_CM_DIV_M6_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0040)
+#define OMAP4_CM_DIV_M7_DPLL_CORE_OFFSET		0x0044
 #define OMAP4430_CM_DIV_M7_DPLL_CORE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0044)
+#define OMAP4_CM_SSC_DELTAMSTEP_DPLL_CORE_OFFSET	0x0048
 #define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_CORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0048)
+#define OMAP4_CM_SSC_MODFREQDIV_DPLL_CORE_OFFSET	0x004c
 #define OMAP4430_CM_SSC_MODFREQDIV_DPLL_CORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x004c)
+#define OMAP4_CM_EMU_OVERRIDE_DPLL_CORE_OFFSET		0x0050
 #define OMAP4430_CM_EMU_OVERRIDE_DPLL_CORE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0050)
+#define OMAP4_CM_CLKMODE_DPLL_MPU_OFFSET		0x0060
 #define OMAP4430_CM_CLKMODE_DPLL_MPU			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0060)
+#define OMAP4_CM_IDLEST_DPLL_MPU_OFFSET			0x0064
 #define OMAP4430_CM_IDLEST_DPLL_MPU			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0064)
+#define OMAP4_CM_AUTOIDLE_DPLL_MPU_OFFSET		0x0068
 #define OMAP4430_CM_AUTOIDLE_DPLL_MPU			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0068)
+#define OMAP4_CM_CLKSEL_DPLL_MPU_OFFSET			0x006c
 #define OMAP4430_CM_CLKSEL_DPLL_MPU			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x006c)
+#define OMAP4_CM_DIV_M2_DPLL_MPU_OFFSET			0x0070
 #define OMAP4430_CM_DIV_M2_DPLL_MPU			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0070)
+#define OMAP4_CM_SSC_DELTAMSTEP_DPLL_MPU_OFFSET		0x0088
 #define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_MPU		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0088)
+#define OMAP4_CM_SSC_MODFREQDIV_DPLL_MPU_OFFSET		0x008c
 #define OMAP4430_CM_SSC_MODFREQDIV_DPLL_MPU		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x008c)
+#define OMAP4_CM_BYPCLK_DPLL_MPU_OFFSET			0x009c
 #define OMAP4430_CM_BYPCLK_DPLL_MPU			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x009c)
+#define OMAP4_CM_CLKMODE_DPLL_IVA_OFFSET		0x00a0
 #define OMAP4430_CM_CLKMODE_DPLL_IVA			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00a0)
+#define OMAP4_CM_IDLEST_DPLL_IVA_OFFSET			0x00a4
 #define OMAP4430_CM_IDLEST_DPLL_IVA			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00a4)
+#define OMAP4_CM_AUTOIDLE_DPLL_IVA_OFFSET		0x00a8
 #define OMAP4430_CM_AUTOIDLE_DPLL_IVA			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00a8)
+#define OMAP4_CM_CLKSEL_DPLL_IVA_OFFSET			0x00ac
 #define OMAP4430_CM_CLKSEL_DPLL_IVA			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00ac)
+#define OMAP4_CM_DIV_M4_DPLL_IVA_OFFSET			0x00b8
 #define OMAP4430_CM_DIV_M4_DPLL_IVA			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00b8)
+#define OMAP4_CM_DIV_M5_DPLL_IVA_OFFSET			0x00bc
 #define OMAP4430_CM_DIV_M5_DPLL_IVA			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00bc)
+#define OMAP4_CM_SSC_DELTAMSTEP_DPLL_IVA_OFFSET		0x00c8
 #define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_IVA		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00c8)
+#define OMAP4_CM_SSC_MODFREQDIV_DPLL_IVA_OFFSET		0x00cc
 #define OMAP4430_CM_SSC_MODFREQDIV_DPLL_IVA		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00cc)
+#define OMAP4_CM_BYPCLK_DPLL_IVA_OFFSET			0x00dc
 #define OMAP4430_CM_BYPCLK_DPLL_IVA			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00dc)
+#define OMAP4_CM_CLKMODE_DPLL_ABE_OFFSET		0x00e0
 #define OMAP4430_CM_CLKMODE_DPLL_ABE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00e0)
+#define OMAP4_CM_IDLEST_DPLL_ABE_OFFSET			0x00e4
 #define OMAP4430_CM_IDLEST_DPLL_ABE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00e4)
+#define OMAP4_CM_AUTOIDLE_DPLL_ABE_OFFSET		0x00e8
 #define OMAP4430_CM_AUTOIDLE_DPLL_ABE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00e8)
+#define OMAP4_CM_CLKSEL_DPLL_ABE_OFFSET			0x00ec
 #define OMAP4430_CM_CLKSEL_DPLL_ABE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00ec)
+#define OMAP4_CM_DIV_M2_DPLL_ABE_OFFSET			0x00f0
 #define OMAP4430_CM_DIV_M2_DPLL_ABE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00f0)
+#define OMAP4_CM_DIV_M3_DPLL_ABE_OFFSET			0x00f4
 #define OMAP4430_CM_DIV_M3_DPLL_ABE			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x00f4)
+#define OMAP4_CM_SSC_DELTAMSTEP_DPLL_ABE_OFFSET		0x0108
 #define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_ABE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0108)
+#define OMAP4_CM_SSC_MODFREQDIV_DPLL_ABE_OFFSET		0x010c
 #define OMAP4430_CM_SSC_MODFREQDIV_DPLL_ABE		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x010c)
+#define OMAP4_CM_CLKMODE_DPLL_DDRPHY_OFFSET		0x0120
 #define OMAP4430_CM_CLKMODE_DPLL_DDRPHY			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0120)
+#define OMAP4_CM_IDLEST_DPLL_DDRPHY_OFFSET		0x0124
 #define OMAP4430_CM_IDLEST_DPLL_DDRPHY			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0124)
+#define OMAP4_CM_AUTOIDLE_DPLL_DDRPHY_OFFSET		0x0128
 #define OMAP4430_CM_AUTOIDLE_DPLL_DDRPHY		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0128)
+#define OMAP4_CM_CLKSEL_DPLL_DDRPHY_OFFSET		0x012c
 #define OMAP4430_CM_CLKSEL_DPLL_DDRPHY			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x012c)
+#define OMAP4_CM_DIV_M2_DPLL_DDRPHY_OFFSET		0x0130
 #define OMAP4430_CM_DIV_M2_DPLL_DDRPHY			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0130)
+#define OMAP4_CM_DIV_M4_DPLL_DDRPHY_OFFSET		0x0138
 #define OMAP4430_CM_DIV_M4_DPLL_DDRPHY			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0138)
+#define OMAP4_CM_DIV_M5_DPLL_DDRPHY_OFFSET		0x013c
 #define OMAP4430_CM_DIV_M5_DPLL_DDRPHY			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x013c)
+#define OMAP4_CM_DIV_M6_DPLL_DDRPHY_OFFSET		0x0140
 #define OMAP4430_CM_DIV_M6_DPLL_DDRPHY			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0140)
+#define OMAP4_CM_SSC_DELTAMSTEP_DPLL_DDRPHY_OFFSET	0x0148
 #define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_DDRPHY		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0148)
+#define OMAP4_CM_SSC_MODFREQDIV_DPLL_DDRPHY_OFFSET	0x014c
 #define OMAP4430_CM_SSC_MODFREQDIV_DPLL_DDRPHY		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x014c)
+#define OMAP4_CM_SHADOW_FREQ_CONFIG1_OFFSET		0x0160
 #define OMAP4430_CM_SHADOW_FREQ_CONFIG1			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0160)
+#define OMAP4_CM_SHADOW_FREQ_CONFIG2_OFFSET		0x0164
 #define OMAP4430_CM_SHADOW_FREQ_CONFIG2			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0164)
+#define OMAP4_CM_DYN_DEP_PRESCAL_OFFSET			0x0170
 #define OMAP4430_CM_DYN_DEP_PRESCAL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0170)
+#define OMAP4_CM_RESTORE_ST_OFFSET			0x0180
 #define OMAP4430_CM_RESTORE_ST				OMAP44XX_CM1_REGADDR(OMAP4430_CM1_CKGEN_MOD, 0x0180)
 
 /* CM1.MPU_CM1 register offsets */
+#define OMAP4_CM_MPU_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_MPU_CLKSTCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_MPU_MOD, 0x0000)
+#define OMAP4_CM_MPU_STATICDEP_OFFSET			0x0004
 #define OMAP4430_CM_MPU_STATICDEP			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_MPU_MOD, 0x0004)
+#define OMAP4_CM_MPU_DYNAMICDEP_OFFSET			0x0008
 #define OMAP4430_CM_MPU_DYNAMICDEP			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_MPU_MOD, 0x0008)
+#define OMAP4_CM_MPU_MPU_CLKCTRL_OFFSET			0x0020
 #define OMAP4430_CM_MPU_MPU_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_MPU_MOD, 0x0020)
 
 /* CM1.TESLA_CM1 register offsets */
+#define OMAP4_CM_TESLA_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_TESLA_CLKSTCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_TESLA_MOD, 0x0000)
+#define OMAP4_CM_TESLA_STATICDEP_OFFSET			0x0004
 #define OMAP4430_CM_TESLA_STATICDEP			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_TESLA_MOD, 0x0004)
+#define OMAP4_CM_TESLA_DYNAMICDEP_OFFSET		0x0008
 #define OMAP4430_CM_TESLA_DYNAMICDEP			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_TESLA_MOD, 0x0008)
+#define OMAP4_CM_TESLA_TESLA_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM_TESLA_TESLA_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_TESLA_MOD, 0x0020)
 
 /* CM1.ABE_CM1 register offsets */
+#define OMAP4_CM1_ABE_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM1_ABE_CLKSTCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0000)
+#define OMAP4_CM1_ABE_L4ABE_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM1_ABE_L4ABE_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0020)
+#define OMAP4_CM1_ABE_AESS_CLKCTRL_OFFSET		0x0028
 #define OMAP4430_CM1_ABE_AESS_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0028)
+#define OMAP4_CM1_ABE_PDM_CLKCTRL_OFFSET		0x0030
 #define OMAP4430_CM1_ABE_PDM_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0030)
+#define OMAP4_CM1_ABE_DMIC_CLKCTRL_OFFSET		0x0038
 #define OMAP4430_CM1_ABE_DMIC_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0038)
+#define OMAP4_CM1_ABE_MCASP_CLKCTRL_OFFSET		0x0040
 #define OMAP4430_CM1_ABE_MCASP_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0040)
+#define OMAP4_CM1_ABE_MCBSP1_CLKCTRL_OFFSET		0x0048
 #define OMAP4430_CM1_ABE_MCBSP1_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0048)
+#define OMAP4_CM1_ABE_MCBSP2_CLKCTRL_OFFSET		0x0050
 #define OMAP4430_CM1_ABE_MCBSP2_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0050)
+#define OMAP4_CM1_ABE_MCBSP3_CLKCTRL_OFFSET		0x0058
 #define OMAP4430_CM1_ABE_MCBSP3_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0058)
+#define OMAP4_CM1_ABE_SLIMBUS_CLKCTRL_OFFSET		0x0060
 #define OMAP4430_CM1_ABE_SLIMBUS_CLKCTRL		OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0060)
+#define OMAP4_CM1_ABE_TIMER5_CLKCTRL_OFFSET		0x0068
 #define OMAP4430_CM1_ABE_TIMER5_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0068)
+#define OMAP4_CM1_ABE_TIMER6_CLKCTRL_OFFSET		0x0070
 #define OMAP4430_CM1_ABE_TIMER6_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0070)
+#define OMAP4_CM1_ABE_TIMER7_CLKCTRL_OFFSET		0x0078
 #define OMAP4430_CM1_ABE_TIMER7_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0078)
+#define OMAP4_CM1_ABE_TIMER8_CLKCTRL_OFFSET		0x0080
 #define OMAP4430_CM1_ABE_TIMER8_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0080)
+#define OMAP4_CM1_ABE_WDT3_CLKCTRL_OFFSET		0x0088
 #define OMAP4430_CM1_ABE_WDT3_CLKCTRL			OMAP44XX_CM1_REGADDR(OMAP4430_CM1_ABE_MOD, 0x0088)
 
 /* CM2 */
 
 /* CM2.OCP_SOCKET_CM2 register offsets */
+#define OMAP4_REVISION_CM2_OFFSET			0x0000
 #define OMAP4430_REVISION_CM2				OMAP44XX_CM2_REGADDR(OMAP4430_CM2_OCP_SOCKET_MOD, 0x0000)
+#define OMAP4_CM_CM2_PROFILING_CLKCTRL_OFFSET		0x0040
 #define OMAP4430_CM_CM2_PROFILING_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_OCP_SOCKET_MOD, 0x0040)
 
 /* CM2.CKGEN_CM2 register offsets */
+#define OMAP4_CM_CLKSEL_DUCATI_ISS_ROOT_OFFSET		0x0000
 #define OMAP4430_CM_CLKSEL_DUCATI_ISS_ROOT		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0000)
+#define OMAP4_CM_CLKSEL_USB_60MHZ_OFFSET		0x0004
 #define OMAP4430_CM_CLKSEL_USB_60MHZ			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0004)
+#define OMAP4_CM_SCALE_FCLK_OFFSET			0x0008
 #define OMAP4430_CM_SCALE_FCLK				OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0008)
+#define OMAP4_CM_CORE_DVFS_PERF1_OFFSET			0x0010
 #define OMAP4430_CM_CORE_DVFS_PERF1			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0010)
+#define OMAP4_CM_CORE_DVFS_PERF2_OFFSET			0x0014
 #define OMAP4430_CM_CORE_DVFS_PERF2			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0014)
+#define OMAP4_CM_CORE_DVFS_PERF3_OFFSET			0x0018
 #define OMAP4430_CM_CORE_DVFS_PERF3			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0018)
+#define OMAP4_CM_CORE_DVFS_PERF4_OFFSET			0x001c
 #define OMAP4430_CM_CORE_DVFS_PERF4			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x001c)
+#define OMAP4_CM_CORE_DVFS_CURRENT_OFFSET		0x0024
 #define OMAP4430_CM_CORE_DVFS_CURRENT			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0024)
+#define OMAP4_CM_IVA_DVFS_PERF_TESLA_OFFSET		0x0028
 #define OMAP4430_CM_IVA_DVFS_PERF_TESLA			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0028)
+#define OMAP4_CM_IVA_DVFS_PERF_IVAHD_OFFSET		0x002c
 #define OMAP4430_CM_IVA_DVFS_PERF_IVAHD			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x002c)
+#define OMAP4_CM_IVA_DVFS_PERF_ABE_OFFSET		0x0030
 #define OMAP4430_CM_IVA_DVFS_PERF_ABE			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0030)
+#define OMAP4_CM_IVA_DVFS_CURRENT_OFFSET		0x0038
 #define OMAP4430_CM_IVA_DVFS_CURRENT			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0038)
+#define OMAP4_CM_CLKMODE_DPLL_PER_OFFSET		0x0040
 #define OMAP4430_CM_CLKMODE_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0040)
+#define OMAP4_CM_IDLEST_DPLL_PER_OFFSET			0x0044
 #define OMAP4430_CM_IDLEST_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0044)
+#define OMAP4_CM_AUTOIDLE_DPLL_PER_OFFSET		0x0048
 #define OMAP4430_CM_AUTOIDLE_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0048)
+#define OMAP4_CM_CLKSEL_DPLL_PER_OFFSET			0x004c
 #define OMAP4430_CM_CLKSEL_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x004c)
+#define OMAP4_CM_DIV_M2_DPLL_PER_OFFSET			0x0050
 #define OMAP4430_CM_DIV_M2_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0050)
+#define OMAP4_CM_DIV_M3_DPLL_PER_OFFSET			0x0054
 #define OMAP4430_CM_DIV_M3_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0054)
+#define OMAP4_CM_DIV_M4_DPLL_PER_OFFSET			0x0058
 #define OMAP4430_CM_DIV_M4_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0058)
+#define OMAP4_CM_DIV_M5_DPLL_PER_OFFSET			0x005c
 #define OMAP4430_CM_DIV_M5_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x005c)
+#define OMAP4_CM_DIV_M6_DPLL_PER_OFFSET			0x0060
 #define OMAP4430_CM_DIV_M6_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0060)
+#define OMAP4_CM_DIV_M7_DPLL_PER_OFFSET			0x0064
 #define OMAP4430_CM_DIV_M7_DPLL_PER			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0064)
+#define OMAP4_CM_SSC_DELTAMSTEP_DPLL_PER_OFFSET		0x0068
 #define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_PER		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0068)
+#define OMAP4_CM_SSC_MODFREQDIV_DPLL_PER_OFFSET		0x006c
 #define OMAP4430_CM_SSC_MODFREQDIV_DPLL_PER		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x006c)
+#define OMAP4_CM_EMU_OVERRIDE_DPLL_PER_OFFSET		0x0070
 #define OMAP4430_CM_EMU_OVERRIDE_DPLL_PER		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0070)
+#define OMAP4_CM_CLKMODE_DPLL_USB_OFFSET		0x0080
 #define OMAP4430_CM_CLKMODE_DPLL_USB			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0080)
+#define OMAP4_CM_IDLEST_DPLL_USB_OFFSET			0x0084
 #define OMAP4430_CM_IDLEST_DPLL_USB			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0084)
+#define OMAP4_CM_AUTOIDLE_DPLL_USB_OFFSET		0x0088
 #define OMAP4430_CM_AUTOIDLE_DPLL_USB			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0088)
+#define OMAP4_CM_CLKSEL_DPLL_USB_OFFSET			0x008c
 #define OMAP4430_CM_CLKSEL_DPLL_USB			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x008c)
+#define OMAP4_CM_DIV_M2_DPLL_USB_OFFSET			0x0090
 #define OMAP4430_CM_DIV_M2_DPLL_USB			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x0090)
+#define OMAP4_CM_SSC_DELTAMSTEP_DPLL_USB_OFFSET		0x00a8
 #define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_USB		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00a8)
+#define OMAP4_CM_SSC_MODFREQDIV_DPLL_USB_OFFSET		0x00ac
 #define OMAP4430_CM_SSC_MODFREQDIV_DPLL_USB		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00ac)
+#define OMAP4_CM_CLKDCOLDO_DPLL_USB_OFFSET		0x00b4
 #define OMAP4430_CM_CLKDCOLDO_DPLL_USB			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00b4)
+#define OMAP4_CM_CLKMODE_DPLL_UNIPRO_OFFSET		0x00c0
 #define OMAP4430_CM_CLKMODE_DPLL_UNIPRO			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00c0)
+#define OMAP4_CM_IDLEST_DPLL_UNIPRO_OFFSET		0x00c4
 #define OMAP4430_CM_IDLEST_DPLL_UNIPRO			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00c4)
+#define OMAP4_CM_AUTOIDLE_DPLL_UNIPRO_OFFSET		0x00c8
 #define OMAP4430_CM_AUTOIDLE_DPLL_UNIPRO		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00c8)
+#define OMAP4_CM_CLKSEL_DPLL_UNIPRO_OFFSET		0x00cc
 #define OMAP4430_CM_CLKSEL_DPLL_UNIPRO			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00cc)
+#define OMAP4_CM_DIV_M2_DPLL_UNIPRO_OFFSET		0x00d0
 #define OMAP4430_CM_DIV_M2_DPLL_UNIPRO			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00d0)
+#define OMAP4_CM_SSC_DELTAMSTEP_DPLL_UNIPRO_OFFSET	0x00e8
 #define OMAP4430_CM_SSC_DELTAMSTEP_DPLL_UNIPRO		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00e8)
+#define OMAP4_CM_SSC_MODFREQDIV_DPLL_UNIPRO_OFFSET	0x00ec
 #define OMAP4430_CM_SSC_MODFREQDIV_DPLL_UNIPRO		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CKGEN_MOD, 0x00ec)
 
 /* CM2.ALWAYS_ON_CM2 register offsets */
+#define OMAP4_CM_ALWON_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_ALWON_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_ALWAYS_ON_MOD, 0x0000)
+#define OMAP4_CM_ALWON_MDMINTC_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM_ALWON_MDMINTC_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_ALWAYS_ON_MOD, 0x0020)
+#define OMAP4_CM_ALWON_SR_MPU_CLKCTRL_OFFSET		0x0028
 #define OMAP4430_CM_ALWON_SR_MPU_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_ALWAYS_ON_MOD, 0x0028)
+#define OMAP4_CM_ALWON_SR_IVA_CLKCTRL_OFFSET		0x0030
 #define OMAP4430_CM_ALWON_SR_IVA_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_ALWAYS_ON_MOD, 0x0030)
+#define OMAP4_CM_ALWON_SR_CORE_CLKCTRL_OFFSET		0x0038
 #define OMAP4430_CM_ALWON_SR_CORE_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_ALWAYS_ON_MOD, 0x0038)
 
 /* CM2.CORE_CM2 register offsets */
+#define OMAP4_CM_L3_1_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_L3_1_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0000)
+#define OMAP4_CM_L3_1_DYNAMICDEP_OFFSET			0x0008
 #define OMAP4430_CM_L3_1_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0008)
+#define OMAP4_CM_L3_1_L3_1_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM_L3_1_L3_1_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0020)
+#define OMAP4_CM_L3_2_CLKSTCTRL_OFFSET			0x0100
 #define OMAP4430_CM_L3_2_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0100)
+#define OMAP4_CM_L3_2_DYNAMICDEP_OFFSET			0x0108
 #define OMAP4430_CM_L3_2_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0108)
+#define OMAP4_CM_L3_2_L3_2_CLKCTRL_OFFSET		0x0120
 #define OMAP4430_CM_L3_2_L3_2_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0120)
+#define OMAP4_CM_L3_2_GPMC_CLKCTRL_OFFSET		0x0128
 #define OMAP4430_CM_L3_2_GPMC_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0128)
+#define OMAP4_CM_L3_2_OCMC_RAM_CLKCTRL_OFFSET		0x0130
 #define OMAP4430_CM_L3_2_OCMC_RAM_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0130)
+#define OMAP4_CM_DUCATI_CLKSTCTRL_OFFSET		0x0200
 #define OMAP4430_CM_DUCATI_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0200)
+#define OMAP4_CM_DUCATI_STATICDEP_OFFSET		0x0204
 #define OMAP4430_CM_DUCATI_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0204)
+#define OMAP4_CM_DUCATI_DYNAMICDEP_OFFSET		0x0208
 #define OMAP4430_CM_DUCATI_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0208)
+#define OMAP4_CM_DUCATI_DUCATI_CLKCTRL_OFFSET		0x0220
 #define OMAP4430_CM_DUCATI_DUCATI_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0220)
+#define OMAP4_CM_SDMA_CLKSTCTRL_OFFSET			0x0300
 #define OMAP4430_CM_SDMA_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0300)
+#define OMAP4_CM_SDMA_STATICDEP_OFFSET			0x0304
 #define OMAP4430_CM_SDMA_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0304)
+#define OMAP4_CM_SDMA_DYNAMICDEP_OFFSET			0x0308
 #define OMAP4430_CM_SDMA_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0308)
+#define OMAP4_CM_SDMA_SDMA_CLKCTRL_OFFSET		0x0320
 #define OMAP4430_CM_SDMA_SDMA_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0320)
+#define OMAP4_CM_MEMIF_CLKSTCTRL_OFFSET			0x0400
 #define OMAP4430_CM_MEMIF_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0400)
+#define OMAP4_CM_MEMIF_DMM_CLKCTRL_OFFSET		0x0420
 #define OMAP4430_CM_MEMIF_DMM_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0420)
+#define OMAP4_CM_MEMIF_EMIF_FW_CLKCTRL_OFFSET		0x0428
 #define OMAP4430_CM_MEMIF_EMIF_FW_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0428)
+#define OMAP4_CM_MEMIF_EMIF_1_CLKCTRL_OFFSET		0x0430
 #define OMAP4430_CM_MEMIF_EMIF_1_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0430)
+#define OMAP4_CM_MEMIF_EMIF_2_CLKCTRL_OFFSET		0x0438
 #define OMAP4430_CM_MEMIF_EMIF_2_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0438)
+#define OMAP4_CM_MEMIF_DLL_CLKCTRL_OFFSET		0x0440
 #define OMAP4430_CM_MEMIF_DLL_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0440)
+#define OMAP4_CM_MEMIF_EMIF_H1_CLKCTRL_OFFSET		0x0450
 #define OMAP4430_CM_MEMIF_EMIF_H1_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0450)
+#define OMAP4_CM_MEMIF_EMIF_H2_CLKCTRL_OFFSET		0x0458
 #define OMAP4430_CM_MEMIF_EMIF_H2_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0458)
+#define OMAP4_CM_MEMIF_DLL_H_CLKCTRL_OFFSET		0x0460
 #define OMAP4430_CM_MEMIF_DLL_H_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0460)
+#define OMAP4_CM_D2D_CLKSTCTRL_OFFSET			0x0500
 #define OMAP4430_CM_D2D_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0500)
+#define OMAP4_CM_D2D_STATICDEP_OFFSET			0x0504
 #define OMAP4430_CM_D2D_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0504)
+#define OMAP4_CM_D2D_DYNAMICDEP_OFFSET			0x0508
 #define OMAP4430_CM_D2D_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0508)
+#define OMAP4_CM_D2D_SAD2D_CLKCTRL_OFFSET		0x0520
 #define OMAP4430_CM_D2D_SAD2D_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0520)
+#define OMAP4_CM_D2D_MODEM_ICR_CLKCTRL_OFFSET		0x0528
 #define OMAP4430_CM_D2D_MODEM_ICR_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0528)
+#define OMAP4_CM_D2D_SAD2D_FW_CLKCTRL_OFFSET		0x0530
 #define OMAP4430_CM_D2D_SAD2D_FW_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0530)
+#define OMAP4_CM_L4CFG_CLKSTCTRL_OFFSET			0x0600
 #define OMAP4430_CM_L4CFG_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0600)
+#define OMAP4_CM_L4CFG_DYNAMICDEP_OFFSET		0x0608
 #define OMAP4430_CM_L4CFG_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0608)
+#define OMAP4_CM_L4CFG_L4_CFG_CLKCTRL_OFFSET		0x0620
 #define OMAP4430_CM_L4CFG_L4_CFG_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0620)
+#define OMAP4_CM_L4CFG_HW_SEM_CLKCTRL_OFFSET		0x0628
 #define OMAP4430_CM_L4CFG_HW_SEM_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0628)
+#define OMAP4_CM_L4CFG_MAILBOX_CLKCTRL_OFFSET		0x0630
 #define OMAP4430_CM_L4CFG_MAILBOX_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0630)
+#define OMAP4_CM_L4CFG_SAR_ROM_CLKCTRL_OFFSET		0x0638
 #define OMAP4430_CM_L4CFG_SAR_ROM_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0638)
+#define OMAP4_CM_L3INSTR_CLKSTCTRL_OFFSET		0x0700
 #define OMAP4430_CM_L3INSTR_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0700)
+#define OMAP4_CM_L3INSTR_L3_3_CLKCTRL_OFFSET		0x0720
 #define OMAP4430_CM_L3INSTR_L3_3_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0720)
+#define OMAP4_CM_L3INSTR_L3_INSTR_CLKCTRL_OFFSET	0x0728
 #define OMAP4430_CM_L3INSTR_L3_INSTR_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0728)
+#define OMAP4_CM_L3INSTR_OCP_WP1_CLKCTRL_OFFSET		0x0740
 #define OMAP4430_CM_L3INSTR_OCP_WP1_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CORE_MOD, 0x0740)
 
 /* CM2.IVAHD_CM2 register offsets */
+#define OMAP4_CM_IVAHD_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_IVAHD_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_IVAHD_MOD, 0x0000)
+#define OMAP4_CM_IVAHD_STATICDEP_OFFSET			0x0004
 #define OMAP4430_CM_IVAHD_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_IVAHD_MOD, 0x0004)
+#define OMAP4_CM_IVAHD_DYNAMICDEP_OFFSET		0x0008
 #define OMAP4430_CM_IVAHD_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_IVAHD_MOD, 0x0008)
+#define OMAP4_CM_IVAHD_IVAHD_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM_IVAHD_IVAHD_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_IVAHD_MOD, 0x0020)
+#define OMAP4_CM_IVAHD_SL2_CLKCTRL_OFFSET		0x0028
 #define OMAP4430_CM_IVAHD_SL2_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_IVAHD_MOD, 0x0028)
 
 /* CM2.CAM_CM2 register offsets */
+#define OMAP4_CM_CAM_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_CAM_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CAM_MOD, 0x0000)
+#define OMAP4_CM_CAM_STATICDEP_OFFSET			0x0004
 #define OMAP4430_CM_CAM_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CAM_MOD, 0x0004)
+#define OMAP4_CM_CAM_DYNAMICDEP_OFFSET			0x0008
 #define OMAP4430_CM_CAM_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CAM_MOD, 0x0008)
+#define OMAP4_CM_CAM_ISS_CLKCTRL_OFFSET			0x0020
 #define OMAP4430_CM_CAM_ISS_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CAM_MOD, 0x0020)
+#define OMAP4_CM_CAM_FDIF_CLKCTRL_OFFSET		0x0028
 #define OMAP4430_CM_CAM_FDIF_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CAM_MOD, 0x0028)
 
 /* CM2.DSS_CM2 register offsets */
+#define OMAP4_CM_DSS_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_DSS_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_DSS_MOD, 0x0000)
+#define OMAP4_CM_DSS_STATICDEP_OFFSET			0x0004
 #define OMAP4430_CM_DSS_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_DSS_MOD, 0x0004)
+#define OMAP4_CM_DSS_DYNAMICDEP_OFFSET			0x0008
 #define OMAP4430_CM_DSS_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_DSS_MOD, 0x0008)
+#define OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET			0x0020
 #define OMAP4430_CM_DSS_DSS_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_DSS_MOD, 0x0020)
+#define OMAP4_CM_DSS_DEISS_CLKCTRL_OFFSET		0x0028
 #define OMAP4430_CM_DSS_DEISS_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_DSS_MOD, 0x0028)
 
 /* CM2.GFX_CM2 register offsets */
+#define OMAP4_CM_GFX_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_GFX_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_GFX_MOD, 0x0000)
+#define OMAP4_CM_GFX_STATICDEP_OFFSET			0x0004
 #define OMAP4430_CM_GFX_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_GFX_MOD, 0x0004)
+#define OMAP4_CM_GFX_DYNAMICDEP_OFFSET			0x0008
 #define OMAP4430_CM_GFX_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_GFX_MOD, 0x0008)
+#define OMAP4_CM_GFX_GFX_CLKCTRL_OFFSET			0x0020
 #define OMAP4430_CM_GFX_GFX_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_GFX_MOD, 0x0020)
 
 /* CM2.L3INIT_CM2 register offsets */
+#define OMAP4_CM_L3INIT_CLKSTCTRL_OFFSET		0x0000
 #define OMAP4430_CM_L3INIT_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0000)
+#define OMAP4_CM_L3INIT_STATICDEP_OFFSET		0x0004
 #define OMAP4430_CM_L3INIT_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0004)
+#define OMAP4_CM_L3INIT_DYNAMICDEP_OFFSET		0x0008
 #define OMAP4430_CM_L3INIT_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0008)
+#define OMAP4_CM_L3INIT_MMC1_CLKCTRL_OFFSET		0x0028
 #define OMAP4430_CM_L3INIT_MMC1_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0028)
+#define OMAP4_CM_L3INIT_MMC2_CLKCTRL_OFFSET		0x0030
 #define OMAP4430_CM_L3INIT_MMC2_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0030)
+#define OMAP4_CM_L3INIT_HSI_CLKCTRL_OFFSET		0x0038
 #define OMAP4430_CM_L3INIT_HSI_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0038)
+#define OMAP4_CM_L3INIT_UNIPRO1_CLKCTRL_OFFSET		0x0040
 #define OMAP4430_CM_L3INIT_UNIPRO1_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0040)
+#define OMAP4_CM_L3INIT_USB_HOST_CLKCTRL_OFFSET		0x0058
 #define OMAP4430_CM_L3INIT_USB_HOST_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0058)
+#define OMAP4_CM_L3INIT_USB_OTG_CLKCTRL_OFFSET		0x0060
 #define OMAP4430_CM_L3INIT_USB_OTG_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0060)
+#define OMAP4_CM_L3INIT_USB_TLL_CLKCTRL_OFFSET		0x0068
 #define OMAP4430_CM_L3INIT_USB_TLL_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0068)
+#define OMAP4_CM_L3INIT_P1500_CLKCTRL_OFFSET		0x0078
 #define OMAP4430_CM_L3INIT_P1500_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0078)
+#define OMAP4_CM_L3INIT_EMAC_CLKCTRL_OFFSET		0x0080
 #define OMAP4430_CM_L3INIT_EMAC_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0080)
+#define OMAP4_CM_L3INIT_SATA_CLKCTRL_OFFSET		0x0088
 #define OMAP4430_CM_L3INIT_SATA_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0088)
+#define OMAP4_CM_L3INIT_TPPSS_CLKCTRL_OFFSET		0x0090
 #define OMAP4430_CM_L3INIT_TPPSS_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0090)
+#define OMAP4_CM_L3INIT_PCIESS_CLKCTRL_OFFSET		0x0098
 #define OMAP4430_CM_L3INIT_PCIESS_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x0098)
+#define OMAP4_CM_L3INIT_CCPTX_CLKCTRL_OFFSET		0x00a8
 #define OMAP4430_CM_L3INIT_CCPTX_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x00a8)
+#define OMAP4_CM_L3INIT_XHPI_CLKCTRL_OFFSET		0x00c0
 #define OMAP4430_CM_L3INIT_XHPI_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x00c0)
+#define OMAP4_CM_L3INIT_MMC6_CLKCTRL_OFFSET		0x00c8
 #define OMAP4430_CM_L3INIT_MMC6_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x00c8)
+#define OMAP4_CM_L3INIT_USB_HOST_FS_CLKCTRL_OFFSET	0x00d0
 #define OMAP4430_CM_L3INIT_USB_HOST_FS_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x00d0)
+#define OMAP4_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL_OFFSET	0x00e0
 #define OMAP4430_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL	OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L3INIT_MOD, 0x00e0)
 
 /* CM2.L4PER_CM2 register offsets */
+#define OMAP4_CM_L4PER_CLKSTCTRL_OFFSET			0x0000
 #define OMAP4430_CM_L4PER_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0000)
+#define OMAP4_CM_L4PER_DYNAMICDEP_OFFSET		0x0008
 #define OMAP4430_CM_L4PER_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0008)
+#define OMAP4_CM_L4PER_ADC_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM_L4PER_ADC_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0020)
+#define OMAP4_CM_L4PER_DMTIMER10_CLKCTRL_OFFSET		0x0028
 #define OMAP4430_CM_L4PER_DMTIMER10_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0028)
+#define OMAP4_CM_L4PER_DMTIMER11_CLKCTRL_OFFSET		0x0030
 #define OMAP4430_CM_L4PER_DMTIMER11_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0030)
+#define OMAP4_CM_L4PER_DMTIMER2_CLKCTRL_OFFSET		0x0038
 #define OMAP4430_CM_L4PER_DMTIMER2_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0038)
+#define OMAP4_CM_L4PER_DMTIMER3_CLKCTRL_OFFSET		0x0040
 #define OMAP4430_CM_L4PER_DMTIMER3_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0040)
+#define OMAP4_CM_L4PER_DMTIMER4_CLKCTRL_OFFSET		0x0048
 #define OMAP4430_CM_L4PER_DMTIMER4_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0048)
+#define OMAP4_CM_L4PER_DMTIMER9_CLKCTRL_OFFSET		0x0050
 #define OMAP4430_CM_L4PER_DMTIMER9_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0050)
+#define OMAP4_CM_L4PER_ELM_CLKCTRL_OFFSET		0x0058
 #define OMAP4430_CM_L4PER_ELM_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0058)
+#define OMAP4_CM_L4PER_GPIO2_CLKCTRL_OFFSET		0x0060
 #define OMAP4430_CM_L4PER_GPIO2_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0060)
+#define OMAP4_CM_L4PER_GPIO3_CLKCTRL_OFFSET		0x0068
 #define OMAP4430_CM_L4PER_GPIO3_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0068)
+#define OMAP4_CM_L4PER_GPIO4_CLKCTRL_OFFSET		0x0070
 #define OMAP4430_CM_L4PER_GPIO4_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0070)
+#define OMAP4_CM_L4PER_GPIO5_CLKCTRL_OFFSET		0x0078
 #define OMAP4430_CM_L4PER_GPIO5_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0078)
+#define OMAP4_CM_L4PER_GPIO6_CLKCTRL_OFFSET		0x0080
 #define OMAP4430_CM_L4PER_GPIO6_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0080)
+#define OMAP4_CM_L4PER_HDQ1W_CLKCTRL_OFFSET		0x0088
 #define OMAP4430_CM_L4PER_HDQ1W_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0088)
+#define OMAP4_CM_L4PER_HECC1_CLKCTRL_OFFSET		0x0090
 #define OMAP4430_CM_L4PER_HECC1_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0090)
+#define OMAP4_CM_L4PER_HECC2_CLKCTRL_OFFSET		0x0098
 #define OMAP4430_CM_L4PER_HECC2_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0098)
+#define OMAP4_CM_L4PER_I2C1_CLKCTRL_OFFSET		0x00a0
 #define OMAP4430_CM_L4PER_I2C1_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00a0)
+#define OMAP4_CM_L4PER_I2C2_CLKCTRL_OFFSET		0x00a8
 #define OMAP4430_CM_L4PER_I2C2_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00a8)
+#define OMAP4_CM_L4PER_I2C3_CLKCTRL_OFFSET		0x00b0
 #define OMAP4430_CM_L4PER_I2C3_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00b0)
+#define OMAP4_CM_L4PER_I2C4_CLKCTRL_OFFSET		0x00b8
 #define OMAP4430_CM_L4PER_I2C4_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00b8)
+#define OMAP4_CM_L4PER_L4PER_CLKCTRL_OFFSET		0x00c0
 #define OMAP4430_CM_L4PER_L4PER_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00c0)
+#define OMAP4_CM_L4PER_MCASP2_CLKCTRL_OFFSET		0x00d0
 #define OMAP4430_CM_L4PER_MCASP2_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00d0)
+#define OMAP4_CM_L4PER_MCASP3_CLKCTRL_OFFSET		0x00d8
 #define OMAP4430_CM_L4PER_MCASP3_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00d8)
+#define OMAP4_CM_L4PER_MCBSP4_CLKCTRL_OFFSET		0x00e0
 #define OMAP4430_CM_L4PER_MCBSP4_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00e0)
+#define OMAP4_CM_L4PER_MGATE_CLKCTRL_OFFSET		0x00e8
 #define OMAP4430_CM_L4PER_MGATE_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00e8)
+#define OMAP4_CM_L4PER_MCSPI1_CLKCTRL_OFFSET		0x00f0
 #define OMAP4430_CM_L4PER_MCSPI1_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00f0)
+#define OMAP4_CM_L4PER_MCSPI2_CLKCTRL_OFFSET		0x00f8
 #define OMAP4430_CM_L4PER_MCSPI2_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x00f8)
+#define OMAP4_CM_L4PER_MCSPI3_CLKCTRL_OFFSET		0x0100
 #define OMAP4430_CM_L4PER_MCSPI3_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0100)
+#define OMAP4_CM_L4PER_MCSPI4_CLKCTRL_OFFSET		0x0108
 #define OMAP4430_CM_L4PER_MCSPI4_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0108)
+#define OMAP4_CM_L4PER_MMCSD3_CLKCTRL_OFFSET		0x0120
 #define OMAP4430_CM_L4PER_MMCSD3_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0120)
+#define OMAP4_CM_L4PER_MMCSD4_CLKCTRL_OFFSET		0x0128
 #define OMAP4430_CM_L4PER_MMCSD4_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0128)
+#define OMAP4_CM_L4PER_MSPROHG_CLKCTRL_OFFSET		0x0130
 #define OMAP4430_CM_L4PER_MSPROHG_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0130)
+#define OMAP4_CM_L4PER_SLIMBUS2_CLKCTRL_OFFSET		0x0138
 #define OMAP4430_CM_L4PER_SLIMBUS2_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0138)
+#define OMAP4_CM_L4PER_UART1_CLKCTRL_OFFSET		0x0140
 #define OMAP4430_CM_L4PER_UART1_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0140)
+#define OMAP4_CM_L4PER_UART2_CLKCTRL_OFFSET		0x0148
 #define OMAP4430_CM_L4PER_UART2_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0148)
+#define OMAP4_CM_L4PER_UART3_CLKCTRL_OFFSET		0x0150
 #define OMAP4430_CM_L4PER_UART3_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0150)
+#define OMAP4_CM_L4PER_UART4_CLKCTRL_OFFSET		0x0158
 #define OMAP4430_CM_L4PER_UART4_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0158)
+#define OMAP4_CM_L4PER_MMCSD5_CLKCTRL_OFFSET		0x0160
 #define OMAP4430_CM_L4PER_MMCSD5_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0160)
+#define OMAP4_CM_L4PER_I2C5_CLKCTRL_OFFSET		0x0168
 #define OMAP4430_CM_L4PER_I2C5_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0168)
+#define OMAP4_CM_L4SEC_CLKSTCTRL_OFFSET			0x0180
 #define OMAP4430_CM_L4SEC_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0180)
+#define OMAP4_CM_L4SEC_STATICDEP_OFFSET			0x0184
 #define OMAP4430_CM_L4SEC_STATICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0184)
+#define OMAP4_CM_L4SEC_DYNAMICDEP_OFFSET		0x0188
 #define OMAP4430_CM_L4SEC_DYNAMICDEP			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x0188)
+#define OMAP4_CM_L4SEC_AES1_CLKCTRL_OFFSET		0x01a0
 #define OMAP4430_CM_L4SEC_AES1_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x01a0)
+#define OMAP4_CM_L4SEC_AES2_CLKCTRL_OFFSET		0x01a8
 #define OMAP4430_CM_L4SEC_AES2_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x01a8)
+#define OMAP4_CM_L4SEC_DES3DES_CLKCTRL_OFFSET		0x01b0
 #define OMAP4430_CM_L4SEC_DES3DES_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x01b0)
+#define OMAP4_CM_L4SEC_PKAEIP29_CLKCTRL_OFFSET		0x01b8
 #define OMAP4430_CM_L4SEC_PKAEIP29_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x01b8)
+#define OMAP4_CM_L4SEC_RNG_CLKCTRL_OFFSET		0x01c0
 #define OMAP4430_CM_L4SEC_RNG_CLKCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x01c0)
+#define OMAP4_CM_L4SEC_SHA2MD51_CLKCTRL_OFFSET		0x01c8
 #define OMAP4430_CM_L4SEC_SHA2MD51_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x01c8)
+#define OMAP4_CM_L4SEC_CRYPTODMA_CLKCTRL_OFFSET		0x01d8
 #define OMAP4430_CM_L4SEC_CRYPTODMA_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_L4PER_MOD, 0x01d8)
 
 /* CM2.CEFUSE_CM2 register offsets */
+#define OMAP4_CM_CEFUSE_CLKSTCTRL_OFFSET		0x0000
 #define OMAP4430_CM_CEFUSE_CLKSTCTRL			OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CEFUSE_MOD, 0x0000)
+#define OMAP4_CM_CEFUSE_CEFUSE_CLKCTRL_OFFSET		0x0020
 #define OMAP4430_CM_CEFUSE_CEFUSE_CLKCTRL		OMAP44XX_CM2_REGADDR(OMAP4430_CM2_CEFUSE_MOD, 0x0020)
 #endif

From 89e5ab26d89fda15924658866b57c967ba7507cc Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <rnayak@ti.com>
Date: Tue, 18 May 2010 20:23:59 -0600
Subject: [PATCH 2387/3638] OMAP4 clock: Support clk_set_parent

Remove the hack put in place while clock framework was still not in
place for OMAP4.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/plat-omap/clock.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index c9cd98a97ab..7190cbd9262 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -138,11 +138,6 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 	unsigned long flags;
 	int ret = -EINVAL;
 
-	if (cpu_is_omap44xx()) {
-		WARN(1, "clock: %s: not supported yet on OMAP4\n", __func__);
-		return 0;
-	}
-
 	if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent))
 		return ret;
 

From 1dc993b218c089230f463234380795c237de5038 Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <rnayak@ti.com>
Date: Tue, 18 May 2010 20:24:00 -0600
Subject: [PATCH 2388/3638] OMAP: timers: Fix clock source names for OMAP4

The clock sources for timers on OMAP4 (system clock and 32k
clock) have their names wronly populated.
This patch fixes them so the omap_dm_timer_set_source
does not fail anymore.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/plat-omap/dmtimer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 4d99dfbc8be..c64875f11fa 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -264,8 +264,8 @@ static struct omap_dm_timer omap4_dm_timers[] = {
 	{ .phys_base = 0x4a320000, .irq = OMAP44XX_IRQ_GPT12 },
 };
 static const char *omap4_dm_source_names[] __initdata = {
-	"sys_ck",
-	"omap_32k_fck",
+	"sys_clkin_ck",
+	"sys_32k_ck",
 	NULL
 };
 static struct clk *omap4_dm_source_clocks[2];

From d3353e1654f60fc56b7a9a965af67e14b54d7f61 Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <rnayak@ti.com>
Date: Tue, 18 May 2010 20:24:01 -0600
Subject: [PATCH 2389/3638] OMAP4 powerdomain: Fix pwrsts flags for ALWAYS ON
 domains

The pwrsts flag for ALWAYS ON domains like always_on_core_pwrdm
and wkup_pwrdm is wrongly populated with the define for a
powerdomain power state, instead of the allowable state
bitfields.
This causes a few api's to fail sensing invalid pwrst
requested.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/powerdomains44xx.h        | 4 ++--
 arch/arm/plat-omap/include/plat/powerdomain.h | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/powerdomains44xx.h b/arch/arm/mach-omap2/powerdomains44xx.h
index e002d4289f4..ad5a2655ad4 100644
--- a/arch/arm/mach-omap2/powerdomains44xx.h
+++ b/arch/arm/mach-omap2/powerdomains44xx.h
@@ -130,7 +130,7 @@ static struct powerdomain wkup_44xx_pwrdm = {
 	.name		  = "wkup_pwrdm",
 	.prcm_offs	  = OMAP4430_PRM_WKUP_MOD,
 	.omap_chip	  = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
-	.pwrsts		  = PWRDM_POWER_ON,
+	.pwrsts		  = PWRSTS_ON,
 	.banks		  = 1,
 	.pwrsts_mem_ret	= {
 		[0] = PWRDM_POWER_OFF,	/* wkup_bank */
@@ -286,7 +286,7 @@ static struct powerdomain always_on_core_44xx_pwrdm = {
 	.name		  = "always_on_core_pwrdm",
 	.prcm_offs	  = OMAP4430_PRM_ALWAYS_ON_MOD,
 	.omap_chip	  = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
-	.pwrsts		  = PWRDM_POWER_ON,
+	.pwrsts		  = PWRSTS_ON,
 };
 
 /* cefuse_44xx_pwrdm: Customer efuse controller power domain */
diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h
index d82b2c00d4f..e7cc7e66e97 100644
--- a/arch/arm/plat-omap/include/plat/powerdomain.h
+++ b/arch/arm/plat-omap/include/plat/powerdomain.h
@@ -31,6 +31,7 @@
 #define PWRDM_MAX_PWRSTS	4
 
 /* Powerdomain allowable state bitfields */
+#define PWRSTS_ON		(1 << PWRDM_POWER_ON)
 #define PWRSTS_OFF_ON		((1 << PWRDM_POWER_OFF) | \
 				 (1 << PWRDM_POWER_ON))
 

From 71ee297a9bc69748510179f5333a3f4541c27723 Mon Sep 17 00:00:00 2001
From: Laine Walker-Avina <lwalkera@ieee.org>
Date: Tue, 18 May 2010 20:24:02 -0600
Subject: [PATCH 2390/3638] OMAP3 clock: add support for setting the divider
 for sys_clkout2 using clk_set_rate

Add clock framework support for changing the rate of sys_clkout2.

Signed-off-by: Laine Walker-Avina <lwalkera@ieee.org>
[paul@pwsan.com: added commit message, added .round_rate pointer]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/clock3xxx_data.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 5ab44b05528..833be485c89 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -1033,6 +1033,8 @@ static struct clk sys_clkout2 = {
 	.clksel_mask	= OMAP3430_CLKOUT2_DIV_MASK,
 	.clksel		= sys_clkout2_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 /* CM OUTPUT CLOCKS */

From 90dbc7b0b80725afd7ed52f18e541dbc671dfd70 Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <rnayak@ti.com>
Date: Tue, 18 May 2010 20:24:03 -0600
Subject: [PATCH 2391/3638] OMAP4 powerdomain: Support LOWPOWERSTATECHANGE for
 powerdomains

Some powerdomains in OMAP4 support a direct transition from one sleep
state to another deeper sleep state without having to wakeup the
powerdomain. This patch adds an api in the powerdomain framework to
set the LOWPOWERSTATECHANGE bit in PWRSTCTRL register.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/powerdomain.c             | 28 +++++++++++++++++++
 arch/arm/mach-omap2/powerdomains44xx.h        |  9 ++++++
 arch/arm/plat-omap/include/plat/powerdomain.h |  6 ++++
 3 files changed, 43 insertions(+)

diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 4a91d38d7b1..f9f0bca1926 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -979,6 +979,34 @@ bool pwrdm_has_hdwr_sar(struct powerdomain *pwrdm)
 	return (pwrdm && pwrdm->flags & PWRDM_HAS_HDWR_SAR) ? 1 : 0;
 }
 
+/**
+ * pwrdm_set_lowpwrstchange - Request a low power state change
+ * @pwrdm: struct powerdomain *
+ *
+ * Allows a powerdomain to transtion to a lower power sleep state
+ * from an existing sleep state without waking up the powerdomain.
+ * Returns -EINVAL if the powerdomain pointer is null or if the
+ * powerdomain does not support LOWPOWERSTATECHANGE, or returns 0
+ * upon success.
+ */
+int pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm)
+{
+	if (!pwrdm)
+		return -EINVAL;
+
+	if (!(pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE))
+		return -EINVAL;
+
+	pr_debug("powerdomain: %s: setting LOWPOWERSTATECHANGE bit\n",
+		 pwrdm->name);
+
+	prm_rmw_mod_reg_bits(OMAP4430_LOWPOWERSTATECHANGE_MASK,
+			     (1 << OMAP4430_LOWPOWERSTATECHANGE_SHIFT),
+			     pwrdm->prcm_offs, pwrstctrl_reg_offs);
+
+	return 0;
+}
+
 /**
  * pwrdm_wait_transition - wait for powerdomain power transition to finish
  * @pwrdm: struct powerdomain * to wait for
diff --git a/arch/arm/mach-omap2/powerdomains44xx.h b/arch/arm/mach-omap2/powerdomains44xx.h
index ad5a2655ad4..c7219513472 100644
--- a/arch/arm/mach-omap2/powerdomains44xx.h
+++ b/arch/arm/mach-omap2/powerdomains44xx.h
@@ -54,6 +54,7 @@ static struct powerdomain core_44xx_pwrdm = {
 		[3] = PWRDM_POWER_ON,	/* ducati_l2ram */
 		[4] = PWRDM_POWER_ON,	/* ducati_unicache */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /* gfx_44xx_pwrdm: 3D accelerator power domain */
@@ -69,6 +70,7 @@ static struct powerdomain gfx_44xx_pwrdm = {
 	.pwrsts_mem_on	= {
 		[0] = PWRDM_POWER_ON,	/* gfx_mem */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /* abe_44xx_pwrdm: Audio back end power domain */
@@ -87,6 +89,7 @@ static struct powerdomain abe_44xx_pwrdm = {
 		[0] = PWRDM_POWER_ON,	/* aessmem */
 		[1] = PWRDM_POWER_ON,	/* periphmem */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /* dss_44xx_pwrdm: Display subsystem power domain */
@@ -103,6 +106,7 @@ static struct powerdomain dss_44xx_pwrdm = {
 	.pwrsts_mem_on	= {
 		[0] = PWRDM_POWER_ON,	/* dss_mem */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /* tesla_44xx_pwrdm: Tesla processor power domain */
@@ -123,6 +127,7 @@ static struct powerdomain tesla_44xx_pwrdm = {
 		[1] = PWRDM_POWER_ON,	/* tesla_l1 */
 		[2] = PWRDM_POWER_ON,	/* tesla_l2 */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /* wkup_44xx_pwrdm: Wake-up power domain */
@@ -227,6 +232,7 @@ static struct powerdomain ivahd_44xx_pwrdm = {
 		[2] = PWRDM_POWER_ON,	/* tcm1_mem */
 		[3] = PWRDM_POWER_ON,	/* tcm2_mem */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /* cam_44xx_pwrdm: Camera subsystem power domain */
@@ -242,6 +248,7 @@ static struct powerdomain cam_44xx_pwrdm = {
 	.pwrsts_mem_on	= {
 		[0] = PWRDM_POWER_ON,	/* cam_mem */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /* l3init_44xx_pwrdm: L3 initators pheripherals power domain  */
@@ -258,6 +265,7 @@ static struct powerdomain l3init_44xx_pwrdm = {
 	.pwrsts_mem_on	= {
 		[0] = PWRDM_POWER_ON,	/* l3init_bank1 */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /* l4per_44xx_pwrdm: Target peripherals power domain */
@@ -276,6 +284,7 @@ static struct powerdomain l4per_44xx_pwrdm = {
 		[0] = PWRDM_POWER_ON,	/* nonretained_bank */
 		[1] = PWRDM_POWER_ON,	/* retained_bank */
 	},
+	.flags		= PWRDM_HAS_LOWPOWERSTATECHANGE,
 };
 
 /*
diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h
index e7cc7e66e97..fb6ec74fe39 100644
--- a/arch/arm/plat-omap/include/plat/powerdomain.h
+++ b/arch/arm/plat-omap/include/plat/powerdomain.h
@@ -50,6 +50,12 @@
 					  * in MEM bank 1 position. This is
 					  * true for OMAP3430
 					  */
+#define PWRDM_HAS_LOWPOWERSTATECHANGE	(1 << 2) /*
+						  * support to transition from a
+						  * sleep state to a lower sleep
+						  * state without waking up the
+						  * powerdomain
+						  */
 
 /*
  * Number of memory banks that are power-controllable.	On OMAP4430, the

From 4788da268f83dedc58b79dc7b2f6072687f63a19 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 20:24:05 -0600
Subject: [PATCH 2392/3638] OMAP powerdomain, hwmod, omap_device: add some
 credits
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add some missing credits for people who have contributed significant features
or fixes.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <b-cousson@ti.com>
Cc: Tero Kristo <tero.kristo@nokia.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Thara Gopinath <thara@ti.com>
---
 arch/arm/mach-omap2/omap_hwmod.c  | 10 +++++-----
 arch/arm/mach-omap2/powerdomain.c |  2 +-
 arch/arm/plat-omap/omap_device.c  |  4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 2fff39ff408..0a563a671dd 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2,12 +2,12 @@
  * omap_hwmod implementation for OMAP2/3/4
  *
  * Copyright (C) 2009 Nokia Corporation
- * Paul Walmsley
- * With fixes and testing from Kevin Hilman
  *
- * Created in collaboration with (alphabetical order): Benoit Cousson,
- * Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari
- * Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff
+ * Paul Walmsley, Benoît Cousson, Kevin Hilman
+ *
+ * Created in collaboration with (alphabetical order): Thara Gopinath,
+ * Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari Poussa, Anand
+ * Sawant, Santosh Shilimkar, Richard Woodruff
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index f9f0bca1926..a2904aa7065 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -5,8 +5,8 @@
  * Copyright (C) 2007-2009 Nokia Corporation
  *
  * Written by Paul Walmsley
- *
  * Added OMAP4 specific support by Abhijit Pagare <abhijitpagare@ti.com>
+ * State counting code by Tero Kristo <tero.kristo@nokia.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 0f519747951..f899603051a 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -2,10 +2,10 @@
  * omap_device implementation
  *
  * Copyright (C) 2009 Nokia Corporation
- * Paul Walmsley
+ * Paul Walmsley, Kevin Hilman
  *
  * Developed in collaboration with (alphabetical order): Benoit
- * Cousson, Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram
+ * Cousson, Thara Gopinath, Tony Lindgren, Rajendra Nayak, Vikram
  * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard
  * Woodruff
  *

From 59dd7224892142fe1d8505cf2c90bd732d730005 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Tue, 18 May 2010 20:24:06 -0600
Subject: [PATCH 2393/3638] OMAP2 clock: fix recursive spinlock attempt when
 CONFIG_CPU_FREQ=y

The OMAP2 MPU virtual clock node code attempted to call clk_get_rate()
while the clockfw_lock spinlock was held.  Fix by reading the sys_ck
rate directly.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
index e60ca4e47bb..aef62918aaf 100644
--- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
+++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
@@ -68,16 +68,13 @@ long omap2_round_to_table_rate(struct clk *clk, unsigned long rate)
 {
 	const struct prcm_config *ptr;
 	long highest_rate;
-	long sys_ck_rate;
-
-	sys_ck_rate = clk_get_rate(sclk);
 
 	highest_rate = -EINVAL;
 
 	for (ptr = rate_table; ptr->mpu_speed; ptr++) {
 		if (!(ptr->flags & cpu_mask))
 			continue;
-		if (ptr->xtal_speed != sys_ck_rate)
+		if (ptr->xtal_speed != sclk->rate)
 			continue;
 
 		highest_rate = ptr->mpu_speed;
@@ -96,15 +93,12 @@ int omap2_select_table_rate(struct clk *clk, unsigned long rate)
 	const struct prcm_config *prcm;
 	unsigned long found_speed = 0;
 	unsigned long flags;
-	long sys_ck_rate;
-
-	sys_ck_rate = clk_get_rate(sclk);
 
 	for (prcm = rate_table; prcm->mpu_speed; prcm++) {
 		if (!(prcm->flags & cpu_mask))
 			continue;
 
-		if (prcm->xtal_speed != sys_ck_rate)
+		if (prcm->xtal_speed != sclk->rate)
 			continue;
 
 		if (prcm->mpu_speed <= rate) {
@@ -181,19 +175,16 @@ static struct cpufreq_frequency_table *freq_table;
 void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
 {
 	const struct prcm_config *prcm;
-	long sys_ck_rate;
 	int i = 0;
 	int tbl_sz = 0;
 
 	if (!cpu_is_omap24xx())
 		return;
 
-	sys_ck_rate = clk_get_rate(sclk);
-
 	for (prcm = rate_table; prcm->mpu_speed; prcm++) {
 		if (!(prcm->flags & cpu_mask))
 			continue;
-		if (prcm->xtal_speed != sys_ck_rate)
+		if (prcm->xtal_speed != sclk->rate)
 			continue;
 
 		/* don't put bypass rates in table */
@@ -226,7 +217,7 @@ void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
 	for (prcm = rate_table; prcm->mpu_speed; prcm++) {
 		if (!(prcm->flags & cpu_mask))
 			continue;
-		if (prcm->xtal_speed != sys_ck_rate)
+		if (prcm->xtal_speed != sclk->rate)
 			continue;
 
 		/* don't put bypass rates in table */

From b32dd41ed645c22ac3ce4e25bcbd7eee30297292 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Thu, 20 May 2010 11:36:43 -0700
Subject: [PATCH 2394/3638] omap: Fix i2c platform init code for omap4

Add separate omap_i2c_add_bus functions for mach-omap1
and mach-omap2. Make the mach-omap2 init set the interrupt
dynamically to support.

This is needed to add support for omap4 in a way that
works with multi-omap builds. This will eventually get
fixed in a generic way with the omap hwmods.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/i2c.c | 67 ++++++++++++++++++++++++++++------------
 1 file changed, 47 insertions(+), 20 deletions(-)

diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index f044b592750..78d1cea9118 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -100,33 +100,44 @@ static int __init omap_i2c_nr_ports(void)
 	return ports;
 }
 
-static int __init omap_i2c_add_bus(int bus_id)
+/* Shared between omap2 and 3 */
+static resource_size_t omap2_i2c_irq[3] __initdata = {
+	INT_24XX_I2C1_IRQ,
+	INT_24XX_I2C2_IRQ,
+	INT_34XX_I2C3_IRQ,
+};
+
+static inline int omap1_i2c_add_bus(struct platform_device *pdev, int bus_id)
 {
-	struct platform_device *pdev;
 	struct omap_i2c_bus_platform_data *pd;
 	struct resource *res;
-	resource_size_t base, irq;
 
-	pdev = &omap_i2c_devices[bus_id - 1];
 	pd = pdev->dev.platform_data;
+	res = pdev->resource;
+	res[0].start = OMAP1_I2C_BASE;
+	res[0].end = res[0].start + OMAP_I2C_SIZE;
+	res[1].start = INT_I2C;
+	omap1_i2c_mux_pins(bus_id);
+
+	return platform_device_register(pdev);
+}
+
+static inline int omap2_i2c_add_bus(struct platform_device *pdev, int bus_id)
+{
+	struct resource *res;
+	resource_size_t *irq;
+
+	res = pdev->resource;
+
+	irq = omap2_i2c_irq;
+
 	if (bus_id == 1) {
-		res = pdev->resource;
-		if (cpu_class_is_omap1()) {
-			base = OMAP1_I2C_BASE;
-			irq = INT_I2C;
-		} else {
-			base = OMAP2_I2C_BASE1;
-			irq = INT_24XX_I2C1_IRQ;
-		}
-		res[0].start = base;
-		res[0].end = base + OMAP_I2C_SIZE;
-		res[1].start = irq;
+		res[0].start = OMAP2_I2C_BASE1;
+		res[0].end = res[0].start + OMAP_I2C_SIZE;
 	}
 
-	if (cpu_class_is_omap1())
-		omap1_i2c_mux_pins(bus_id);
-	if (cpu_class_is_omap2())
-		omap2_i2c_mux_pins(bus_id);
+	res[1].start = irq[bus_id - 1];
+	omap2_i2c_mux_pins(bus_id);
 
 	/*
 	 * When waiting for completion of a i2c transfer, we need to
@@ -134,12 +145,28 @@ static int __init omap_i2c_add_bus(int bus_id)
 	 * ensure quick enough wakeup from idle, when transfer
 	 * completes.
 	 */
-	if (cpu_is_omap34xx())
+	if (cpu_is_omap34xx()) {
+		struct omap_i2c_bus_platform_data *pd;
+
+		pd = pdev->dev.platform_data;
 		pd->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat;
+	}
 
 	return platform_device_register(pdev);
 }
 
+static int __init omap_i2c_add_bus(int bus_id)
+{
+	struct platform_device *pdev;
+
+	pdev = &omap_i2c_devices[bus_id - 1];
+
+	if (cpu_class_is_omap1())
+		return omap1_i2c_add_bus(pdev, bus_id);
+	else
+		return omap2_i2c_add_bus(pdev, bus_id);
+}
+
 /**
  * omap_i2c_bus_setup - Process command line options for the I2C bus speed
  * @str: String of options

From 6daa642d9b8ec762b3c5641cd5e5fa855a5405bf Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Thu, 20 May 2010 11:36:43 -0700
Subject: [PATCH 2395/3638] omap4: Add support for i2c init

Add support for i2c init for omap4.

This patch is based on and earlier patch by
Santosh Shilimkar <santosh.shilimkar@ti.com>.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/i2c.c | 33 ++++++++++++++++++++++++++-------
 1 file changed, 26 insertions(+), 7 deletions(-)

diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index 78d1cea9118..eec2b4993c6 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -38,6 +38,7 @@
 #define OMAP2_I2C_BASE1		0x48070000
 #define OMAP2_I2C_BASE2		0x48072000
 #define OMAP2_I2C_BASE3		0x48060000
+#define OMAP4_I2C_BASE4		0x48350000
 
 static const char name[] = "i2c_omap";
 
@@ -54,11 +55,14 @@ static const char name[] = "i2c_omap";
 
 static struct resource i2c_resources[][2] = {
 	{ I2C_RESOURCE_BUILDER(0, 0) },
-#if	defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
-	{ I2C_RESOURCE_BUILDER(OMAP2_I2C_BASE2, INT_24XX_I2C2_IRQ) },
+#if	defined(CONFIG_ARCH_OMAP2PLUS)
+	{ I2C_RESOURCE_BUILDER(OMAP2_I2C_BASE2, 0) },
 #endif
-#if	defined(CONFIG_ARCH_OMAP3)
-	{ I2C_RESOURCE_BUILDER(OMAP2_I2C_BASE3, INT_34XX_I2C3_IRQ) },
+#if	defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
+	{ I2C_RESOURCE_BUILDER(OMAP2_I2C_BASE3, 0) },
+#endif
+#if	defined(CONFIG_ARCH_OMAP4)
+	{ I2C_RESOURCE_BUILDER(OMAP4_I2C_BASE4, 0) },
 #endif
 };
 
@@ -76,12 +80,15 @@ static struct resource i2c_resources[][2] = {
 static struct omap_i2c_bus_platform_data i2c_pdata[ARRAY_SIZE(i2c_resources)];
 static struct platform_device omap_i2c_devices[] = {
 	I2C_DEV_BUILDER(1, i2c_resources[0], &i2c_pdata[0]),
-#if	defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if	defined(CONFIG_ARCH_OMAP2PLUS)
 	I2C_DEV_BUILDER(2, i2c_resources[1], &i2c_pdata[1]),
 #endif
-#if	defined(CONFIG_ARCH_OMAP3)
+#if	defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
 	I2C_DEV_BUILDER(3, i2c_resources[2], &i2c_pdata[2]),
 #endif
+#if	defined(CONFIG_ARCH_OMAP4)
+	I2C_DEV_BUILDER(4, i2c_resources[3], &i2c_pdata[3]),
+#endif
 };
 
 #define OMAP_I2C_CMDLINE_SETUP	(BIT(31))
@@ -96,6 +103,8 @@ static int __init omap_i2c_nr_ports(void)
 		ports = 2;
 	else if (cpu_is_omap34xx())
 		ports = 3;
+	else if (cpu_is_omap44xx())
+		ports = 4;
 
 	return ports;
 }
@@ -107,6 +116,13 @@ static resource_size_t omap2_i2c_irq[3] __initdata = {
 	INT_34XX_I2C3_IRQ,
 };
 
+static resource_size_t omap4_i2c_irq[4] __initdata = {
+	OMAP44XX_IRQ_I2C1,
+	OMAP44XX_IRQ_I2C2,
+	OMAP44XX_IRQ_I2C3,
+	OMAP44XX_IRQ_I2C4,
+};
+
 static inline int omap1_i2c_add_bus(struct platform_device *pdev, int bus_id)
 {
 	struct omap_i2c_bus_platform_data *pd;
@@ -129,7 +145,10 @@ static inline int omap2_i2c_add_bus(struct platform_device *pdev, int bus_id)
 
 	res = pdev->resource;
 
-	irq = omap2_i2c_irq;
+	if (!cpu_is_omap44xx())
+		irq = omap2_i2c_irq;
+	else
+		irq = omap4_i2c_irq;
 
 	if (bus_id == 1) {
 		res[0].start = OMAP2_I2C_BASE1;

From acd35a463cb2a8d2b28e094d718cf6e653ad7191 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Thu, 20 May 2010 21:28:34 +0200
Subject: [PATCH 2396/3638] perf: Fix forgotten preempt_enable by nested
 writers

A writer that gets a reference to the buffer handle disables
preemption. When we put that reference, we check if we are
the outer most writer and if not, we simply return and defer
the head update to the outer most writer. The problem here
is that preemption is only reenabled by the outer most, that
produces preemption count imbalance for every nested writer
that exit.

So just don't forget to always re-enable preemption when we
put the buffer reference, whoever we are.

Fixes lots of sleeping in atomic warnings, visible with lock
events recording.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Robert Richter <robert.richter@amd.com>
---
 kernel/perf_event.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 2a060be3b07..45b7aec5545 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2933,7 +2933,7 @@ again:
 	 */
 
 	if (!local_dec_and_test(&data->nest))
-		return;
+		goto out;
 
 	/*
 	 * Publish the known good head. Rely on the full barrier implied
@@ -2954,6 +2954,7 @@ again:
 	if (handle->wakeup != local_read(&data->wakeup))
 		perf_output_wakeup(handle);
 
+ out:
 	preempt_enable();
 }
 

From 1944cc894fd4d2ecce9bab6940e464afbde4fef0 Mon Sep 17 00:00:00 2001
From: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Date: Wed, 19 May 2010 06:49:13 +0100
Subject: [PATCH 2397/3638] ARM: 6137/1: nomadik hwrng: Add clock support

This adds the clock support to the Nomadik RNG driver

Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Acked-by: Linus walleij <linus.walleij@stericsson.com>
Acked-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-nomadik/clock.c        |  1 +
 drivers/char/hw_random/nomadik-rng.c | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/arch/arm/mach-nomadik/clock.c b/arch/arm/mach-nomadik/clock.c
index 60f5bee09f2..2c471fc451d 100644
--- a/arch/arm/mach-nomadik/clock.c
+++ b/arch/arm/mach-nomadik/clock.c
@@ -56,6 +56,7 @@ static struct clk_lookup lookups[] = {
 	CLK(&clk_default, "gpio.1"),
 	CLK(&clk_default, "gpio.2"),
 	CLK(&clk_default, "gpio.3"),
+	CLK(&clk_default, "rng"),
 };
 
 static int __init clk_init(void)
diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c
index a8b4c401014..a348c7e9aa0 100644
--- a/drivers/char/hw_random/nomadik-rng.c
+++ b/drivers/char/hw_random/nomadik-rng.c
@@ -15,6 +15,10 @@
 #include <linux/amba/bus.h>
 #include <linux/hw_random.h>
 #include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+static struct clk *rng_clk;
 
 static int nmk_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
 {
@@ -40,6 +44,15 @@ static int nmk_rng_probe(struct amba_device *dev, struct amba_id *id)
 	void __iomem *base;
 	int ret;
 
+	rng_clk = clk_get(&dev->dev, NULL);
+	if (IS_ERR(rng_clk)) {
+		dev_err(&dev->dev, "could not get rng clock\n");
+		ret = PTR_ERR(rng_clk);
+		return ret;
+	}
+
+	clk_enable(rng_clk);
+
 	ret = amba_request_regions(dev, dev->dev.init_name);
 	if (ret)
 		return ret;
@@ -57,6 +70,8 @@ out_unmap:
 	iounmap(base);
 out_release:
 	amba_release_regions(dev);
+	clk_disable(rng_clk);
+	clk_put(rng_clk);
 	return ret;
 }
 
@@ -66,6 +81,8 @@ static int nmk_rng_remove(struct amba_device *dev)
 	hwrng_unregister(&nmk_rng);
 	iounmap(base);
 	amba_release_regions(dev);
+	clk_disable(rng_clk);
+	clk_put(rng_clk);
 	return 0;
 }
 

From 27ada410c7a56e72fd8c5d304704fbf5cb685659 Mon Sep 17 00:00:00 2001
From: Magnus Damm <magnus.damm@gmail.com>
Date: Wed, 19 May 2010 09:58:27 +0100
Subject: [PATCH 2398/3638] ARM: 6138/1: Add support for 10 hardirq bits

This patch adds support for 10 hardirq bits to
the ARM architecture. Needed by the SH-Mobile
ARM processor sh7372 that has more than 512 IRQs.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/include/asm/hardirq.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 182310b9919..6d7485aff95 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -12,7 +12,9 @@ typedef struct {
 
 #include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
 
-#if NR_IRQS > 256
+#if NR_IRQS > 512
+#define HARDIRQ_BITS	10
+#elif NR_IRQS > 256
 #define HARDIRQ_BITS	9
 #else
 #define HARDIRQ_BITS	8

From e1695307e6b85477afd2421d3b4891ca5bea8300 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 15 May 2010 11:25:35 +0100
Subject: [PATCH 2399/3638] ARM: 6135/1: mx21/devices: fix USBOTG resource

It got a typo from 988addf82e4c03739375279de73929580a2d4a6a.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: <stable@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-mx2/devices.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c
index b91e412f7b3..04f36d820ca 100644
--- a/arch/arm/mach-mx2/devices.c
+++ b/arch/arm/mach-mx2/devices.c
@@ -483,8 +483,8 @@ int __init mxc_register_gpios(void)
 #ifdef CONFIG_MACH_MX21
 static struct resource mx21_usbhc_resources[] = {
 	{
-		.start	= MX21_BASE_ADDR,
-		.end	= MX21_BASE_ADDR + 0x1FFF,
+		.start	= MX21_USBOTG_BASE_ADDR,
+		.end	= MX21_USBOTG_BASE_ADDR + SZ_8K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{

From a901ff715d53c109821cbbd9d7ea1f2a311646a9 Mon Sep 17 00:00:00 2001
From: Santosh Shilimkar <santosh.shilimkar@ti.com>
Date: Thu, 20 May 2010 08:33:38 +0100
Subject: [PATCH 2400/3638] ARM: 6139/1: ARMv7: Use the Inner Shareable I-cache
 on MP

This patch fixes the flush_cache_all for ARMv7 SMP.It was
missing from commit b8349b569aae661dea9d59d7d2ee587ccea3336c

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mm/cache-v7.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 06a90dcfc60..37c8157e116 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -91,7 +91,11 @@ ENTRY(v7_flush_kern_cache_all)
  THUMB(	stmfd	sp!, {r4-r7, r9-r11, lr}	)
 	bl	v7_flush_dcache_all
 	mov	r0, #0
+#ifdef CONFIG_SMP
+	mcr	p15, 0, r0, c7, c1, 0		@ invalidate I-cache inner shareable
+#else
 	mcr	p15, 0, r0, c7, c5, 0		@ I+BTB cache invalidate
+#endif
  ARM(	ldmfd	sp!, {r4-r5, r7, r9-r11, lr}	)
  THUMB(	ldmfd	sp!, {r4-r7, r9-r11, lr}	)
 	mov	pc, lr

From c0dc72bad9cf21071f5e4005de46f7c8b67a138a Mon Sep 17 00:00:00 2001
From: Sebastien Dugue <sebastien.dugue@bull.net>
Date: Thu, 20 May 2010 15:58:22 -0700
Subject: [PATCH 2401/3638] mlx4_core: Fix possible chunk sg list overflow in
 mlx4_alloc_icm()

If the number of sg entries in the ICM chunk reaches MLX4_ICM_CHUNK_LEN,
we must set chunk to NULL even for coherent mappings so that the next
time through the loop will allocate another chunk.  Otherwise we'll
overflow the sg list the next time through the loop.  This will lead to
memory corruption if this case is hit.

mthca does not have this bug.

Signed-off-by: Sebastien Dugue <sebastien.dugue@bull.net>
Cc: <stable@kernel.org>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/net/mlx4/icm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/mlx4/icm.c b/drivers/net/mlx4/icm.c
index 57288ca1395..ef62f1749b8 100644
--- a/drivers/net/mlx4/icm.c
+++ b/drivers/net/mlx4/icm.c
@@ -175,10 +175,11 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
 
 				if (chunk->nsg <= 0)
 					goto fail;
-
-				chunk = NULL;
 			}
 
+			if (chunk->npages == MLX4_ICM_CHUNK_LEN)
+				chunk = NULL;
+
 			npages -= 1 << cur_order;
 		} else {
 			--cur_order;

From c050def076bfbc4513ee961c77fde6ba3d401158 Mon Sep 17 00:00:00 2001
From: Roland Dreier <rolandd@cisco.com>
Date: Thu, 20 May 2010 15:58:22 -0700
Subject: [PATCH 2402/3638] mlx4_core: Clean up mlx4_alloc_icm() a bit

Handle the allocation error case first, so that we don't have further
nested if for handling the common case of success.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/net/mlx4/icm.c | 37 +++++++++++++++++++------------------
 1 file changed, 19 insertions(+), 18 deletions(-)

diff --git a/drivers/net/mlx4/icm.c b/drivers/net/mlx4/icm.c
index ef62f1749b8..b07e4dee80a 100644
--- a/drivers/net/mlx4/icm.c
+++ b/drivers/net/mlx4/icm.c
@@ -163,29 +163,30 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
 			ret = mlx4_alloc_icm_pages(&chunk->mem[chunk->npages],
 						   cur_order, gfp_mask);
 
-		if (!ret) {
-			++chunk->npages;
+		if (ret) {
+			if (--cur_order < 0)
+				goto fail;
+			else
+				continue;
+		}
 
-			if (coherent)
-				++chunk->nsg;
-			else if (chunk->npages == MLX4_ICM_CHUNK_LEN) {
-				chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
-							chunk->npages,
-							PCI_DMA_BIDIRECTIONAL);
+		++chunk->npages;
 
-				if (chunk->nsg <= 0)
-					goto fail;
-			}
+		if (coherent)
+			++chunk->nsg;
+		else if (chunk->npages == MLX4_ICM_CHUNK_LEN) {
+			chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
+						chunk->npages,
+						PCI_DMA_BIDIRECTIONAL);
 
-			if (chunk->npages == MLX4_ICM_CHUNK_LEN)
-				chunk = NULL;
-
-			npages -= 1 << cur_order;
-		} else {
-			--cur_order;
-			if (cur_order < 0)
+			if (chunk->nsg <= 0)
 				goto fail;
 		}
+
+		if (chunk->npages == MLX4_ICM_CHUNK_LEN)
+			chunk = NULL;
+
+		npages -= 1 << cur_order;
 	}
 
 	if (!coherent && chunk) {

From ef365cefbc53d8674a18520a1d4c2e5590127299 Mon Sep 17 00:00:00 2001
From: Russ Anderson <rja@sgi.com>
Date: Tue, 18 May 2010 17:52:40 -0500
Subject: [PATCH 2403/3638] perf record: remove unneeded gettimeofday() call

Perf record repeatedly calls gettimeofday() which adds noise to the performance
measurements.  Since gettimeofday() is only used for the error printf, delete
it.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <20100518225240.GC25589@sgi.com>
Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-record.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 66b8ecd22cf..e6722698183 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -65,9 +65,6 @@ static bool			multiplex			=  false;
 static int			multiplex_fd			=     -1;
 
 static long			samples				=      0;
-static struct timeval		last_read;
-static struct timeval		this_read;
-
 static u64			bytes_written			=      0;
 
 static struct pollfd		*event_array;
@@ -147,8 +144,6 @@ static void mmap_read(struct mmap_data *md)
 	void *buf;
 	int diff;
 
-	gettimeofday(&this_read, NULL);
-
 	/*
 	 * If we're further behind than half the buffer, there's a chance
 	 * the writer will bite our tail and mess up the samples under us.
@@ -159,23 +154,13 @@ static void mmap_read(struct mmap_data *md)
 	 */
 	diff = head - old;
 	if (diff < 0) {
-		struct timeval iv;
-		unsigned long msecs;
-
-		timersub(&this_read, &last_read, &iv);
-		msecs = iv.tv_sec*1000 + iv.tv_usec/1000;
-
-		fprintf(stderr, "WARNING: failed to keep up with mmap data."
-				"  Last read %lu msecs ago.\n", msecs);
-
+		fprintf(stderr, "WARNING: failed to keep up with mmap data\n");
 		/*
 		 * head points to a known good entry, start there.
 		 */
 		old = head;
 	}
 
-	last_read = this_read;
-
 	if (old != head)
 		samples++;
 

From 5d06e6915b1b76653e6fe3369b0b18fdbf75f0a5 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Thu, 20 May 2010 22:01:10 -0300
Subject: [PATCH 2404/3638] perf tui: Allow disabling the TUI on a per command
 basis in ~/.perfconfig
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Using the same scheme as for git's/perf's pager setup, i.e. if one
doesn't want to, on a newt enabled perf binary, to disable the TUI for
'perf report', its just a matter of doing:

  [root@doppio linux-2.6-tip]# printf "[tui]\n\nreport = off\n" >
  /root/.perfconfig
  [root@doppio linux-2.6-tip]# cat /root/.perfconfig
  [tui]

  report = off
  [root@doppio linux-2.6-tip]#

System wide settings are also possible, by editing /etc/perfconfig, etc,
i.e. the git machinery for config files applies to perf as well, so when
in doubt where to put your settings, consult the git documentation, if
it fails, please let us know.

Suggested-by: Ingo Molnar <mingo@elte.hu>
Discussed-with: Stephane Eranian <eranian@google.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-report.c |  8 ++++----
 tools/perf/perf.c           | 25 +++++++++++++++++++++++--
 tools/perf/util/cache.h     |  2 +-
 tools/perf/util/newt.c      | 11 +++++++----
 4 files changed, 35 insertions(+), 11 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1d3c1003b43..a7b8760e401 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -116,7 +116,7 @@ static int perf_session__add_hist_entry(struct perf_session *self,
 	 * so we don't allocated the extra space needed because the stdio
 	 * code will not use it.
 	 */
-	if (use_browser)
+	if (use_browser > 0)
 		err = hist_entry__inc_addr_samples(he, al->addr);
 out_free_syms:
 	free(syms);
@@ -330,7 +330,7 @@ static int __cmd_report(void)
 		hists = rb_entry(next, struct hists, rb_node);
 		hists__collapse_resort(hists);
 		hists__output_resort(hists);
-		if (use_browser)
+		if (use_browser > 0)
 			hists__browse(hists, help, input_name);
 		else {
 			const char *evname = NULL;
@@ -347,7 +347,7 @@ static int __cmd_report(void)
 		next = rb_next(&hists->rb_node);
 	}
 
-	if (!use_browser && sort_order == default_sort_order &&
+	if (use_browser <= 0 && sort_order == default_sort_order &&
 	    parent_pattern == default_parent_pattern) {
 		fprintf(stdout, "#\n# (%s)\n#\n", help);
 
@@ -491,7 +491,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
 	 * so don't allocate extra space that won't be used in the stdio
 	 * implementation.
 	 */
-	if (use_browser)
+	if (use_browser > 0)
 		symbol_conf.priv_size = sizeof(struct sym_priv);
 
 	if (symbol__init() < 0)
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 08e0e5d2b50..6e487119113 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -15,15 +15,15 @@
 #include "util/parse-events.h"
 #include "util/debugfs.h"
 
-bool use_browser;
-
 const char perf_usage_string[] =
 	"perf [--version] [--help] COMMAND [ARGS]";
 
 const char perf_more_info_string[] =
 	"See 'perf help COMMAND' for more information on a specific command.";
 
+int use_browser = -1;
 static int use_pager = -1;
+
 struct pager_config {
 	const char *cmd;
 	int val;
@@ -49,6 +49,24 @@ int check_pager_config(const char *cmd)
 	return c.val;
 }
 
+static int tui_command_config(const char *var, const char *value, void *data)
+{
+	struct pager_config *c = data;
+	if (!prefixcmp(var, "tui.") && !strcmp(var + 4, c->cmd))
+		c->val = perf_config_bool(var, value);
+	return 0;
+}
+
+/* returns 0 for "no tui", 1 for "use tui", and -1 for "not specified" */
+static int check_tui_config(const char *cmd)
+{
+	struct pager_config c;
+	c.cmd = cmd;
+	c.val = -1;
+	perf_config(tui_command_config, &c);
+	return c.val;
+}
+
 static void commit_pager_choice(void)
 {
 	switch (use_pager) {
@@ -255,6 +273,9 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
 	if (p->option & RUN_SETUP)
 		prefix = NULL; /* setup_perf_directory(); */
 
+	if (use_browser == -1)
+		use_browser = check_tui_config(p->cmd);
+
 	if (use_pager == -1 && p->option & RUN_SETUP)
 		use_pager = check_pager_config(p->cmd);
 	if (use_pager == -1 && p->option & USE_PAGER)
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 5eca52595b6..65fe664fddf 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -30,7 +30,7 @@ extern const char *pager_program;
 extern int pager_in_use(void);
 extern int pager_use_color;
 
-extern bool use_browser;
+extern int use_browser;
 
 #ifdef NO_NEWT_SUPPORT
 static inline void setup_browser(void)
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 9338d060ee4..9d203c972f3 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -1066,10 +1066,13 @@ static struct newtPercentTreeColors {
 void setup_browser(void)
 {
 	struct newtPercentTreeColors *c = &defaultPercentTreeColors;
-	if (!isatty(1))
-		return;
 
-	use_browser = true;
+	if (!isatty(1) || !use_browser) {
+		setup_pager();
+		return;
+	}
+
+	use_browser = 1;
 	newtInit();
 	newtCls();
 	ui_helpline__puts(" ");
@@ -1082,7 +1085,7 @@ void setup_browser(void)
 
 void exit_browser(bool wait_for_ok)
 {
-	if (use_browser) {
+	if (use_browser > 0) {
 		if (wait_for_ok) {
 			char title[] = "Fatal Error", ok[] = "Ok";
 			newtWinMessage(title, ok, browser__last_msg);

From c433820971ffa854feda6adc17f5f24201354f11 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Tue, 19 May 2009 07:49:32 -0500
Subject: [PATCH 2405/3638] Move kernel/kgdb.c to kernel/debug/debug_core.c

Move kgdb.c in preparation to separate the gdbstub from the debug
core and exception handling.

CC: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 kernel/Makefile                       | 2 +-
 kernel/debug/Makefile                 | 6 ++++++
 kernel/{kgdb.c => debug/debug_core.c} | 0
 3 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 kernel/debug/Makefile
 rename kernel/{kgdb.c => debug/debug_core.c} (100%)

diff --git a/kernel/Makefile b/kernel/Makefile
index 149e18ef1ab..057472fbc27 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -75,7 +75,7 @@ obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
 obj-$(CONFIG_GCOV_KERNEL) += gcov/
 obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
 obj-$(CONFIG_KPROBES) += kprobes.o
-obj-$(CONFIG_KGDB) += kgdb.o
+obj-$(CONFIG_KGDB) += debug/
 obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o
 obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
 obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
diff --git a/kernel/debug/Makefile b/kernel/debug/Makefile
new file mode 100644
index 00000000000..5d785041526
--- /dev/null
+++ b/kernel/debug/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for the linux kernel debugger
+#
+
+obj-$(CONFIG_KGDB) += debug_core.o
+
diff --git a/kernel/kgdb.c b/kernel/debug/debug_core.c
similarity index 100%
rename from kernel/kgdb.c
rename to kernel/debug/debug_core.c

From 53197fc49549240f6c6a963b2713a4cd9517964b Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Fri, 2 Apr 2010 11:48:03 -0500
Subject: [PATCH 2406/3638] Separate the gdbstub from the debug core

Split the former kernel/kgdb.c into debug_core.c which contains the
kernel debugger exception logic and to the gdbstub.c which contains
the logic for allowing gdb to talk to the debug core.

This also created a private include file called debug_core.h which
contains all the definitions to glue the debug_core to any other
debugger connections.

CC: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 include/linux/kgdb.h      |   1 +
 kernel/debug/Makefile     |   3 +-
 kernel/debug/debug_core.c | 994 ++------------------------------------
 kernel/debug/debug_core.h |  55 +++
 kernel/debug/gdbstub.c    | 934 +++++++++++++++++++++++++++++++++++
 5 files changed, 1030 insertions(+), 957 deletions(-)
 create mode 100644 kernel/debug/debug_core.h
 create mode 100644 kernel/debug/gdbstub.c

diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 19ec41a183f..4830142ec33 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -264,6 +264,7 @@ extern unsigned long __weak kgdb_arch_pc(int exception, struct pt_regs *regs);
 
 extern int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops);
 extern void kgdb_unregister_io_module(struct kgdb_io *local_kgdb_io_ops);
+extern struct kgdb_io *dbg_io_ops;
 
 extern int kgdb_hex2long(char **ptr, unsigned long *long_val);
 extern int kgdb_mem2hex(char *mem, char *buf, int count);
diff --git a/kernel/debug/Makefile b/kernel/debug/Makefile
index 5d785041526..fd4dc6e7782 100644
--- a/kernel/debug/Makefile
+++ b/kernel/debug/Makefile
@@ -2,5 +2,4 @@
 # Makefile for the linux kernel debugger
 #
 
-obj-$(CONFIG_KGDB) += debug_core.o
-
+obj-$(CONFIG_KGDB) += debug_core.o gdbstub.o
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 11f3515ca83..7e03969330b 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -1,5 +1,5 @@
 /*
- * KGDB stub.
+ * Kernel Debug Core
  *
  * Maintainer: Jason Wessel <jason.wessel@windriver.com>
  *
@@ -9,7 +9,7 @@
  * Copyright (C) 2004 Pavel Machek <pavel@suse.cz>
  * Copyright (C) 2004-2006 Tom Rini <trini@kernel.crashing.org>
  * Copyright (C) 2004-2006 LinSysSoft Technologies Pvt. Ltd.
- * Copyright (C) 2005-2008 Wind River Systems, Inc.
+ * Copyright (C) 2005-2009 Wind River Systems, Inc.
  * Copyright (C) 2007 MontaVista Software, Inc.
  * Copyright (C) 2008 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
  *
@@ -37,7 +37,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/ptrace.h>
-#include <linux/reboot.h>
 #include <linux/string.h>
 #include <linux/delay.h>
 #include <linux/sched.h>
@@ -52,34 +51,12 @@
 #include <asm/byteorder.h>
 #include <asm/atomic.h>
 #include <asm/system.h>
-#include <asm/unaligned.h>
+
+#include "debug_core.h"
 
 static int kgdb_break_asap;
 
-#define KGDB_MAX_THREAD_QUERY 17
-struct kgdb_state {
-	int			ex_vector;
-	int			signo;
-	int			err_code;
-	int			cpu;
-	int			pass_exception;
-	unsigned long		thr_query;
-	unsigned long		threadid;
-	long			kgdb_usethreadid;
-	struct pt_regs		*linux_regs;
-};
-
-/* Exception state values */
-#define DCPU_WANT_MASTER 0x1 /* Waiting to become a master kgdb cpu */
-#define DCPU_NEXT_MASTER 0x2 /* Transition from one master cpu to another */
-#define DCPU_IS_SLAVE    0x4 /* Slave cpu enter exception */
-#define DCPU_SSTEP       0x8 /* CPU is single stepping */
-
-static struct debuggerinfo_struct {
-	void			*debuggerinfo;
-	struct task_struct	*task;
-	int 			exception_state;
-} kgdb_info[NR_CPUS];
+struct debuggerinfo_struct kgdb_info[NR_CPUS];
 
 /**
  * kgdb_connected - Is a host GDB connected to us?
@@ -93,7 +70,7 @@ static int			kgdb_io_module_registered;
 /* Guard for recursive entry */
 static int			exception_level;
 
-static struct kgdb_io		*kgdb_io_ops;
+struct kgdb_io		*dbg_io_ops;
 static DEFINE_SPINLOCK(kgdb_registration_lock);
 
 /* kgdb console driver is loaded */
@@ -136,16 +113,7 @@ struct task_struct		*kgdb_usethread;
 struct task_struct		*kgdb_contthread;
 
 int				kgdb_single_step;
-pid_t				kgdb_sstep_pid;
-
-/* Our I/O buffers. */
-static char			remcom_in_buffer[BUFMAX];
-static char			remcom_out_buffer[BUFMAX];
-
-/* Storage for the registers, in GDB format. */
-static unsigned long		gdb_regs[(NUMREGBYTES +
-					sizeof(unsigned long) - 1) /
-					sizeof(unsigned long)];
+static pid_t			kgdb_sstep_pid;
 
 /* to keep track of the CPU which is doing the single stepping*/
 atomic_t			kgdb_cpu_doing_single_step = ATOMIC_INIT(-1);
@@ -246,324 +214,6 @@ void __weak kgdb_disable_hw_debug(struct pt_regs *regs)
 {
 }
 
-/*
- * GDB remote protocol parser:
- */
-
-static int hex(char ch)
-{
-	if ((ch >= 'a') && (ch <= 'f'))
-		return ch - 'a' + 10;
-	if ((ch >= '0') && (ch <= '9'))
-		return ch - '0';
-	if ((ch >= 'A') && (ch <= 'F'))
-		return ch - 'A' + 10;
-	return -1;
-}
-
-/* scan for the sequence $<data>#<checksum> */
-static void get_packet(char *buffer)
-{
-	unsigned char checksum;
-	unsigned char xmitcsum;
-	int count;
-	char ch;
-
-	do {
-		/*
-		 * Spin and wait around for the start character, ignore all
-		 * other characters:
-		 */
-		while ((ch = (kgdb_io_ops->read_char())) != '$')
-			/* nothing */;
-
-		kgdb_connected = 1;
-		checksum = 0;
-		xmitcsum = -1;
-
-		count = 0;
-
-		/*
-		 * now, read until a # or end of buffer is found:
-		 */
-		while (count < (BUFMAX - 1)) {
-			ch = kgdb_io_ops->read_char();
-			if (ch == '#')
-				break;
-			checksum = checksum + ch;
-			buffer[count] = ch;
-			count = count + 1;
-		}
-		buffer[count] = 0;
-
-		if (ch == '#') {
-			xmitcsum = hex(kgdb_io_ops->read_char()) << 4;
-			xmitcsum += hex(kgdb_io_ops->read_char());
-
-			if (checksum != xmitcsum)
-				/* failed checksum */
-				kgdb_io_ops->write_char('-');
-			else
-				/* successful transfer */
-				kgdb_io_ops->write_char('+');
-			if (kgdb_io_ops->flush)
-				kgdb_io_ops->flush();
-		}
-	} while (checksum != xmitcsum);
-}
-
-/*
- * Send the packet in buffer.
- * Check for gdb connection if asked for.
- */
-static void put_packet(char *buffer)
-{
-	unsigned char checksum;
-	int count;
-	char ch;
-
-	/*
-	 * $<packet info>#<checksum>.
-	 */
-	while (1) {
-		kgdb_io_ops->write_char('$');
-		checksum = 0;
-		count = 0;
-
-		while ((ch = buffer[count])) {
-			kgdb_io_ops->write_char(ch);
-			checksum += ch;
-			count++;
-		}
-
-		kgdb_io_ops->write_char('#');
-		kgdb_io_ops->write_char(hex_asc_hi(checksum));
-		kgdb_io_ops->write_char(hex_asc_lo(checksum));
-		if (kgdb_io_ops->flush)
-			kgdb_io_ops->flush();
-
-		/* Now see what we get in reply. */
-		ch = kgdb_io_ops->read_char();
-
-		if (ch == 3)
-			ch = kgdb_io_ops->read_char();
-
-		/* If we get an ACK, we are done. */
-		if (ch == '+')
-			return;
-
-		/*
-		 * If we get the start of another packet, this means
-		 * that GDB is attempting to reconnect.  We will NAK
-		 * the packet being sent, and stop trying to send this
-		 * packet.
-		 */
-		if (ch == '$') {
-			kgdb_io_ops->write_char('-');
-			if (kgdb_io_ops->flush)
-				kgdb_io_ops->flush();
-			return;
-		}
-	}
-}
-
-/*
- * Convert the memory pointed to by mem into hex, placing result in buf.
- * Return a pointer to the last char put in buf (null). May return an error.
- */
-int kgdb_mem2hex(char *mem, char *buf, int count)
-{
-	char *tmp;
-	int err;
-
-	/*
-	 * We use the upper half of buf as an intermediate buffer for the
-	 * raw memory copy.  Hex conversion will work against this one.
-	 */
-	tmp = buf + count;
-
-	err = probe_kernel_read(tmp, mem, count);
-	if (!err) {
-		while (count > 0) {
-			buf = pack_hex_byte(buf, *tmp);
-			tmp++;
-			count--;
-		}
-
-		*buf = 0;
-	}
-
-	return err;
-}
-
-/*
- * Copy the binary array pointed to by buf into mem.  Fix $, #, and
- * 0x7d escaped with 0x7d. Return -EFAULT on failure or 0 on success.
- * The input buf is overwitten with the result to write to mem.
- */
-static int kgdb_ebin2mem(char *buf, char *mem, int count)
-{
-	int size = 0;
-	char *c = buf;
-
-	while (count-- > 0) {
-		c[size] = *buf++;
-		if (c[size] == 0x7d)
-			c[size] = *buf++ ^ 0x20;
-		size++;
-	}
-
-	return probe_kernel_write(mem, c, size);
-}
-
-/*
- * Convert the hex array pointed to by buf into binary to be placed in mem.
- * Return a pointer to the character AFTER the last byte written.
- * May return an error.
- */
-int kgdb_hex2mem(char *buf, char *mem, int count)
-{
-	char *tmp_raw;
-	char *tmp_hex;
-
-	/*
-	 * We use the upper half of buf as an intermediate buffer for the
-	 * raw memory that is converted from hex.
-	 */
-	tmp_raw = buf + count * 2;
-
-	tmp_hex = tmp_raw - 1;
-	while (tmp_hex >= buf) {
-		tmp_raw--;
-		*tmp_raw = hex(*tmp_hex--);
-		*tmp_raw |= hex(*tmp_hex--) << 4;
-	}
-
-	return probe_kernel_write(mem, tmp_raw, count);
-}
-
-/*
- * While we find nice hex chars, build a long_val.
- * Return number of chars processed.
- */
-int kgdb_hex2long(char **ptr, unsigned long *long_val)
-{
-	int hex_val;
-	int num = 0;
-	int negate = 0;
-
-	*long_val = 0;
-
-	if (**ptr == '-') {
-		negate = 1;
-		(*ptr)++;
-	}
-	while (**ptr) {
-		hex_val = hex(**ptr);
-		if (hex_val < 0)
-			break;
-
-		*long_val = (*long_val << 4) | hex_val;
-		num++;
-		(*ptr)++;
-	}
-
-	if (negate)
-		*long_val = -*long_val;
-
-	return num;
-}
-
-/* Write memory due to an 'M' or 'X' packet. */
-static int write_mem_msg(int binary)
-{
-	char *ptr = &remcom_in_buffer[1];
-	unsigned long addr;
-	unsigned long length;
-	int err;
-
-	if (kgdb_hex2long(&ptr, &addr) > 0 && *(ptr++) == ',' &&
-	    kgdb_hex2long(&ptr, &length) > 0 && *(ptr++) == ':') {
-		if (binary)
-			err = kgdb_ebin2mem(ptr, (char *)addr, length);
-		else
-			err = kgdb_hex2mem(ptr, (char *)addr, length);
-		if (err)
-			return err;
-		if (CACHE_FLUSH_IS_SAFE)
-			flush_icache_range(addr, addr + length);
-		return 0;
-	}
-
-	return -EINVAL;
-}
-
-static void error_packet(char *pkt, int error)
-{
-	error = -error;
-	pkt[0] = 'E';
-	pkt[1] = hex_asc[(error / 10)];
-	pkt[2] = hex_asc[(error % 10)];
-	pkt[3] = '\0';
-}
-
-/*
- * Thread ID accessors. We represent a flat TID space to GDB, where
- * the per CPU idle threads (which under Linux all have PID 0) are
- * remapped to negative TIDs.
- */
-
-#define BUF_THREAD_ID_SIZE	16
-
-static char *pack_threadid(char *pkt, unsigned char *id)
-{
-	char *limit;
-
-	limit = pkt + BUF_THREAD_ID_SIZE;
-	while (pkt < limit)
-		pkt = pack_hex_byte(pkt, *id++);
-
-	return pkt;
-}
-
-static void int_to_threadref(unsigned char *id, int value)
-{
-	unsigned char *scan;
-	int i = 4;
-
-	scan = (unsigned char *)id;
-	while (i--)
-		*scan++ = 0;
-	put_unaligned_be32(value, scan);
-}
-
-static struct task_struct *getthread(struct pt_regs *regs, int tid)
-{
-	/*
-	 * Non-positive TIDs are remapped to the cpu shadow information
-	 */
-	if (tid == 0 || tid == -1)
-		tid = -atomic_read(&kgdb_active) - 2;
-	if (tid < -1 && tid > -NR_CPUS - 2) {
-		if (kgdb_info[-tid - 2].task)
-			return kgdb_info[-tid - 2].task;
-		else
-			return idle_task(-tid - 2);
-	}
-	if (tid <= 0) {
-		printk(KERN_ERR "KGDB: Internal thread select error\n");
-		dump_stack();
-		return NULL;
-	}
-
-	/*
-	 * find_task_by_pid_ns() does not take the tasklist lock anymore
-	 * but is nicely RCU locked - hence is a pretty resilient
-	 * thing to use:
-	 */
-	return find_task_by_pid_ns(tid, &init_pid_ns);
-}
-
 /*
  * Some architectures need cache flushes when we set/clear a
  * breakpoint:
@@ -584,7 +234,7 @@ static void kgdb_flush_swbreak_addr(unsigned long addr)
 /*
  * SW breakpoint management:
  */
-static int kgdb_activate_sw_breakpoints(void)
+int dbg_activate_sw_breakpoints(void)
 {
 	unsigned long addr;
 	int error;
@@ -610,7 +260,7 @@ static int kgdb_activate_sw_breakpoints(void)
 	return ret;
 }
 
-static int kgdb_set_sw_break(unsigned long addr)
+int dbg_set_sw_break(unsigned long addr)
 {
 	int err = kgdb_validate_break_address(addr);
 	int breakno = -1;
@@ -675,7 +325,7 @@ static int kgdb_deactivate_sw_breakpoints(void)
 	return ret;
 }
 
-static int kgdb_remove_sw_break(unsigned long addr)
+int dbg_remove_sw_break(unsigned long addr)
 {
 	int i;
 
@@ -701,7 +351,7 @@ int kgdb_isremovedbreak(unsigned long addr)
 	return 0;
 }
 
-static int remove_all_break(void)
+int dbg_remove_all_break(void)
 {
 	unsigned long addr;
 	int error;
@@ -728,53 +378,6 @@ setundefined:
 	return 0;
 }
 
-/*
- * Remap normal tasks to their real PID,
- * CPU shadow threads are mapped to -CPU - 2
- */
-static inline int shadow_pid(int realpid)
-{
-	if (realpid)
-		return realpid;
-
-	return -raw_smp_processor_id() - 2;
-}
-
-static char gdbmsgbuf[BUFMAX + 1];
-
-static void kgdb_msg_write(const char *s, int len)
-{
-	char *bufptr;
-	int wcount;
-	int i;
-
-	/* 'O'utput */
-	gdbmsgbuf[0] = 'O';
-
-	/* Fill and send buffers... */
-	while (len > 0) {
-		bufptr = gdbmsgbuf + 1;
-
-		/* Calculate how many this time */
-		if ((len << 1) > (BUFMAX - 2))
-			wcount = (BUFMAX - 2) >> 1;
-		else
-			wcount = len;
-
-		/* Pack in hex chars */
-		for (i = 0; i < wcount; i++)
-			bufptr = pack_hex_byte(bufptr, s[i]);
-		*bufptr = '\0';
-
-		/* Move up */
-		s += wcount;
-		len -= wcount;
-
-		/* Write packet */
-		put_packet(gdbmsgbuf);
-	}
-}
-
 /*
  * Return true if there is a valid kgdb I/O module.  Also if no
  * debugger is attached a message can be printed to the console about
@@ -786,7 +389,7 @@ static void kgdb_msg_write(const char *s, int len)
  */
 static int kgdb_io_ready(int print_wait)
 {
-	if (!kgdb_io_ops)
+	if (!dbg_io_ops)
 		return 0;
 	if (kgdb_connected)
 		return 1;
@@ -797,525 +400,6 @@ static int kgdb_io_ready(int print_wait)
 	return 1;
 }
 
-/*
- * All the functions that start with gdb_cmd are the various
- * operations to implement the handlers for the gdbserial protocol
- * where KGDB is communicating with an external debugger
- */
-
-/* Handle the '?' status packets */
-static void gdb_cmd_status(struct kgdb_state *ks)
-{
-	/*
-	 * We know that this packet is only sent
-	 * during initial connect.  So to be safe,
-	 * we clear out our breakpoints now in case
-	 * GDB is reconnecting.
-	 */
-	remove_all_break();
-
-	remcom_out_buffer[0] = 'S';
-	pack_hex_byte(&remcom_out_buffer[1], ks->signo);
-}
-
-/* Handle the 'g' get registers request */
-static void gdb_cmd_getregs(struct kgdb_state *ks)
-{
-	struct task_struct *thread;
-	void *local_debuggerinfo;
-	int i;
-
-	thread = kgdb_usethread;
-	if (!thread) {
-		thread = kgdb_info[ks->cpu].task;
-		local_debuggerinfo = kgdb_info[ks->cpu].debuggerinfo;
-	} else {
-		local_debuggerinfo = NULL;
-		for_each_online_cpu(i) {
-			/*
-			 * Try to find the task on some other
-			 * or possibly this node if we do not
-			 * find the matching task then we try
-			 * to approximate the results.
-			 */
-			if (thread == kgdb_info[i].task)
-				local_debuggerinfo = kgdb_info[i].debuggerinfo;
-		}
-	}
-
-	/*
-	 * All threads that don't have debuggerinfo should be
-	 * in schedule() sleeping, since all other CPUs
-	 * are in kgdb_wait, and thus have debuggerinfo.
-	 */
-	if (local_debuggerinfo) {
-		pt_regs_to_gdb_regs(gdb_regs, local_debuggerinfo);
-	} else {
-		/*
-		 * Pull stuff saved during switch_to; nothing
-		 * else is accessible (or even particularly
-		 * relevant).
-		 *
-		 * This should be enough for a stack trace.
-		 */
-		sleeping_thread_to_gdb_regs(gdb_regs, thread);
-	}
-	kgdb_mem2hex((char *)gdb_regs, remcom_out_buffer, NUMREGBYTES);
-}
-
-/* Handle the 'G' set registers request */
-static void gdb_cmd_setregs(struct kgdb_state *ks)
-{
-	kgdb_hex2mem(&remcom_in_buffer[1], (char *)gdb_regs, NUMREGBYTES);
-
-	if (kgdb_usethread && kgdb_usethread != current) {
-		error_packet(remcom_out_buffer, -EINVAL);
-	} else {
-		gdb_regs_to_pt_regs(gdb_regs, ks->linux_regs);
-		strcpy(remcom_out_buffer, "OK");
-	}
-}
-
-/* Handle the 'm' memory read bytes */
-static void gdb_cmd_memread(struct kgdb_state *ks)
-{
-	char *ptr = &remcom_in_buffer[1];
-	unsigned long length;
-	unsigned long addr;
-	int err;
-
-	if (kgdb_hex2long(&ptr, &addr) > 0 && *ptr++ == ',' &&
-					kgdb_hex2long(&ptr, &length) > 0) {
-		err = kgdb_mem2hex((char *)addr, remcom_out_buffer, length);
-		if (err)
-			error_packet(remcom_out_buffer, err);
-	} else {
-		error_packet(remcom_out_buffer, -EINVAL);
-	}
-}
-
-/* Handle the 'M' memory write bytes */
-static void gdb_cmd_memwrite(struct kgdb_state *ks)
-{
-	int err = write_mem_msg(0);
-
-	if (err)
-		error_packet(remcom_out_buffer, err);
-	else
-		strcpy(remcom_out_buffer, "OK");
-}
-
-/* Handle the 'X' memory binary write bytes */
-static void gdb_cmd_binwrite(struct kgdb_state *ks)
-{
-	int err = write_mem_msg(1);
-
-	if (err)
-		error_packet(remcom_out_buffer, err);
-	else
-		strcpy(remcom_out_buffer, "OK");
-}
-
-/* Handle the 'D' or 'k', detach or kill packets */
-static void gdb_cmd_detachkill(struct kgdb_state *ks)
-{
-	int error;
-
-	/* The detach case */
-	if (remcom_in_buffer[0] == 'D') {
-		error = remove_all_break();
-		if (error < 0) {
-			error_packet(remcom_out_buffer, error);
-		} else {
-			strcpy(remcom_out_buffer, "OK");
-			kgdb_connected = 0;
-		}
-		put_packet(remcom_out_buffer);
-	} else {
-		/*
-		 * Assume the kill case, with no exit code checking,
-		 * trying to force detach the debugger:
-		 */
-		remove_all_break();
-		kgdb_connected = 0;
-	}
-}
-
-/* Handle the 'R' reboot packets */
-static int gdb_cmd_reboot(struct kgdb_state *ks)
-{
-	/* For now, only honor R0 */
-	if (strcmp(remcom_in_buffer, "R0") == 0) {
-		printk(KERN_CRIT "Executing emergency reboot\n");
-		strcpy(remcom_out_buffer, "OK");
-		put_packet(remcom_out_buffer);
-
-		/*
-		 * Execution should not return from
-		 * machine_emergency_restart()
-		 */
-		machine_emergency_restart();
-		kgdb_connected = 0;
-
-		return 1;
-	}
-	return 0;
-}
-
-/* Handle the 'q' query packets */
-static void gdb_cmd_query(struct kgdb_state *ks)
-{
-	struct task_struct *g;
-	struct task_struct *p;
-	unsigned char thref[8];
-	char *ptr;
-	int i;
-	int cpu;
-	int finished = 0;
-
-	switch (remcom_in_buffer[1]) {
-	case 's':
-	case 'f':
-		if (memcmp(remcom_in_buffer + 2, "ThreadInfo", 10)) {
-			error_packet(remcom_out_buffer, -EINVAL);
-			break;
-		}
-
-		i = 0;
-		remcom_out_buffer[0] = 'm';
-		ptr = remcom_out_buffer + 1;
-		if (remcom_in_buffer[1] == 'f') {
-			/* Each cpu is a shadow thread */
-			for_each_online_cpu(cpu) {
-				ks->thr_query = 0;
-				int_to_threadref(thref, -cpu - 2);
-				pack_threadid(ptr, thref);
-				ptr += BUF_THREAD_ID_SIZE;
-				*(ptr++) = ',';
-				i++;
-			}
-		}
-
-		do_each_thread(g, p) {
-			if (i >= ks->thr_query && !finished) {
-				int_to_threadref(thref, p->pid);
-				pack_threadid(ptr, thref);
-				ptr += BUF_THREAD_ID_SIZE;
-				*(ptr++) = ',';
-				ks->thr_query++;
-				if (ks->thr_query % KGDB_MAX_THREAD_QUERY == 0)
-					finished = 1;
-			}
-			i++;
-		} while_each_thread(g, p);
-
-		*(--ptr) = '\0';
-		break;
-
-	case 'C':
-		/* Current thread id */
-		strcpy(remcom_out_buffer, "QC");
-		ks->threadid = shadow_pid(current->pid);
-		int_to_threadref(thref, ks->threadid);
-		pack_threadid(remcom_out_buffer + 2, thref);
-		break;
-	case 'T':
-		if (memcmp(remcom_in_buffer + 1, "ThreadExtraInfo,", 16)) {
-			error_packet(remcom_out_buffer, -EINVAL);
-			break;
-		}
-		ks->threadid = 0;
-		ptr = remcom_in_buffer + 17;
-		kgdb_hex2long(&ptr, &ks->threadid);
-		if (!getthread(ks->linux_regs, ks->threadid)) {
-			error_packet(remcom_out_buffer, -EINVAL);
-			break;
-		}
-		if ((int)ks->threadid > 0) {
-			kgdb_mem2hex(getthread(ks->linux_regs,
-					ks->threadid)->comm,
-					remcom_out_buffer, 16);
-		} else {
-			static char tmpstr[23 + BUF_THREAD_ID_SIZE];
-
-			sprintf(tmpstr, "shadowCPU%d",
-					(int)(-ks->threadid - 2));
-			kgdb_mem2hex(tmpstr, remcom_out_buffer, strlen(tmpstr));
-		}
-		break;
-	}
-}
-
-/* Handle the 'H' task query packets */
-static void gdb_cmd_task(struct kgdb_state *ks)
-{
-	struct task_struct *thread;
-	char *ptr;
-
-	switch (remcom_in_buffer[1]) {
-	case 'g':
-		ptr = &remcom_in_buffer[2];
-		kgdb_hex2long(&ptr, &ks->threadid);
-		thread = getthread(ks->linux_regs, ks->threadid);
-		if (!thread && ks->threadid > 0) {
-			error_packet(remcom_out_buffer, -EINVAL);
-			break;
-		}
-		kgdb_usethread = thread;
-		ks->kgdb_usethreadid = ks->threadid;
-		strcpy(remcom_out_buffer, "OK");
-		break;
-	case 'c':
-		ptr = &remcom_in_buffer[2];
-		kgdb_hex2long(&ptr, &ks->threadid);
-		if (!ks->threadid) {
-			kgdb_contthread = NULL;
-		} else {
-			thread = getthread(ks->linux_regs, ks->threadid);
-			if (!thread && ks->threadid > 0) {
-				error_packet(remcom_out_buffer, -EINVAL);
-				break;
-			}
-			kgdb_contthread = thread;
-		}
-		strcpy(remcom_out_buffer, "OK");
-		break;
-	}
-}
-
-/* Handle the 'T' thread query packets */
-static void gdb_cmd_thread(struct kgdb_state *ks)
-{
-	char *ptr = &remcom_in_buffer[1];
-	struct task_struct *thread;
-
-	kgdb_hex2long(&ptr, &ks->threadid);
-	thread = getthread(ks->linux_regs, ks->threadid);
-	if (thread)
-		strcpy(remcom_out_buffer, "OK");
-	else
-		error_packet(remcom_out_buffer, -EINVAL);
-}
-
-/* Handle the 'z' or 'Z' breakpoint remove or set packets */
-static void gdb_cmd_break(struct kgdb_state *ks)
-{
-	/*
-	 * Since GDB-5.3, it's been drafted that '0' is a software
-	 * breakpoint, '1' is a hardware breakpoint, so let's do that.
-	 */
-	char *bpt_type = &remcom_in_buffer[1];
-	char *ptr = &remcom_in_buffer[2];
-	unsigned long addr;
-	unsigned long length;
-	int error = 0;
-
-	if (arch_kgdb_ops.set_hw_breakpoint && *bpt_type >= '1') {
-		/* Unsupported */
-		if (*bpt_type > '4')
-			return;
-	} else {
-		if (*bpt_type != '0' && *bpt_type != '1')
-			/* Unsupported. */
-			return;
-	}
-
-	/*
-	 * Test if this is a hardware breakpoint, and
-	 * if we support it:
-	 */
-	if (*bpt_type == '1' && !(arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT))
-		/* Unsupported. */
-		return;
-
-	if (*(ptr++) != ',') {
-		error_packet(remcom_out_buffer, -EINVAL);
-		return;
-	}
-	if (!kgdb_hex2long(&ptr, &addr)) {
-		error_packet(remcom_out_buffer, -EINVAL);
-		return;
-	}
-	if (*(ptr++) != ',' ||
-		!kgdb_hex2long(&ptr, &length)) {
-		error_packet(remcom_out_buffer, -EINVAL);
-		return;
-	}
-
-	if (remcom_in_buffer[0] == 'Z' && *bpt_type == '0')
-		error = kgdb_set_sw_break(addr);
-	else if (remcom_in_buffer[0] == 'z' && *bpt_type == '0')
-		error = kgdb_remove_sw_break(addr);
-	else if (remcom_in_buffer[0] == 'Z')
-		error = arch_kgdb_ops.set_hw_breakpoint(addr,
-			(int)length, *bpt_type - '0');
-	else if (remcom_in_buffer[0] == 'z')
-		error = arch_kgdb_ops.remove_hw_breakpoint(addr,
-			(int) length, *bpt_type - '0');
-
-	if (error == 0)
-		strcpy(remcom_out_buffer, "OK");
-	else
-		error_packet(remcom_out_buffer, error);
-}
-
-/* Handle the 'C' signal / exception passing packets */
-static int gdb_cmd_exception_pass(struct kgdb_state *ks)
-{
-	/* C09 == pass exception
-	 * C15 == detach kgdb, pass exception
-	 */
-	if (remcom_in_buffer[1] == '0' && remcom_in_buffer[2] == '9') {
-
-		ks->pass_exception = 1;
-		remcom_in_buffer[0] = 'c';
-
-	} else if (remcom_in_buffer[1] == '1' && remcom_in_buffer[2] == '5') {
-
-		ks->pass_exception = 1;
-		remcom_in_buffer[0] = 'D';
-		remove_all_break();
-		kgdb_connected = 0;
-		return 1;
-
-	} else {
-		kgdb_msg_write("KGDB only knows signal 9 (pass)"
-			" and 15 (pass and disconnect)\n"
-			"Executing a continue without signal passing\n", 0);
-		remcom_in_buffer[0] = 'c';
-	}
-
-	/* Indicate fall through */
-	return -1;
-}
-
-/*
- * This function performs all gdbserial command procesing
- */
-static int gdb_serial_stub(struct kgdb_state *ks)
-{
-	int error = 0;
-	int tmp;
-
-	/* Clear the out buffer. */
-	memset(remcom_out_buffer, 0, sizeof(remcom_out_buffer));
-
-	if (kgdb_connected) {
-		unsigned char thref[8];
-		char *ptr;
-
-		/* Reply to host that an exception has occurred */
-		ptr = remcom_out_buffer;
-		*ptr++ = 'T';
-		ptr = pack_hex_byte(ptr, ks->signo);
-		ptr += strlen(strcpy(ptr, "thread:"));
-		int_to_threadref(thref, shadow_pid(current->pid));
-		ptr = pack_threadid(ptr, thref);
-		*ptr++ = ';';
-		put_packet(remcom_out_buffer);
-	}
-
-	kgdb_usethread = kgdb_info[ks->cpu].task;
-	ks->kgdb_usethreadid = shadow_pid(kgdb_info[ks->cpu].task->pid);
-	ks->pass_exception = 0;
-
-	while (1) {
-		error = 0;
-
-		/* Clear the out buffer. */
-		memset(remcom_out_buffer, 0, sizeof(remcom_out_buffer));
-
-		get_packet(remcom_in_buffer);
-
-		switch (remcom_in_buffer[0]) {
-		case '?': /* gdbserial status */
-			gdb_cmd_status(ks);
-			break;
-		case 'g': /* return the value of the CPU registers */
-			gdb_cmd_getregs(ks);
-			break;
-		case 'G': /* set the value of the CPU registers - return OK */
-			gdb_cmd_setregs(ks);
-			break;
-		case 'm': /* mAA..AA,LLLL  Read LLLL bytes at address AA..AA */
-			gdb_cmd_memread(ks);
-			break;
-		case 'M': /* MAA..AA,LLLL: Write LLLL bytes at address AA..AA */
-			gdb_cmd_memwrite(ks);
-			break;
-		case 'X': /* XAA..AA,LLLL: Write LLLL bytes at address AA..AA */
-			gdb_cmd_binwrite(ks);
-			break;
-			/* kill or detach. KGDB should treat this like a
-			 * continue.
-			 */
-		case 'D': /* Debugger detach */
-		case 'k': /* Debugger detach via kill */
-			gdb_cmd_detachkill(ks);
-			goto default_handle;
-		case 'R': /* Reboot */
-			if (gdb_cmd_reboot(ks))
-				goto default_handle;
-			break;
-		case 'q': /* query command */
-			gdb_cmd_query(ks);
-			break;
-		case 'H': /* task related */
-			gdb_cmd_task(ks);
-			break;
-		case 'T': /* Query thread status */
-			gdb_cmd_thread(ks);
-			break;
-		case 'z': /* Break point remove */
-		case 'Z': /* Break point set */
-			gdb_cmd_break(ks);
-			break;
-		case 'C': /* Exception passing */
-			tmp = gdb_cmd_exception_pass(ks);
-			if (tmp > 0)
-				goto default_handle;
-			if (tmp == 0)
-				break;
-			/* Fall through on tmp < 0 */
-		case 'c': /* Continue packet */
-		case 's': /* Single step packet */
-			if (kgdb_contthread && kgdb_contthread != current) {
-				/* Can't switch threads in kgdb */
-				error_packet(remcom_out_buffer, -EINVAL);
-				break;
-			}
-			kgdb_activate_sw_breakpoints();
-			/* Fall through to default processing */
-		default:
-default_handle:
-			error = kgdb_arch_handle_exception(ks->ex_vector,
-						ks->signo,
-						ks->err_code,
-						remcom_in_buffer,
-						remcom_out_buffer,
-						ks->linux_regs);
-			/*
-			 * Leave cmd processing on error, detach,
-			 * kill, continue, or single step.
-			 */
-			if (error >= 0 || remcom_in_buffer[0] == 'D' ||
-			    remcom_in_buffer[0] == 'k') {
-				error = 0;
-				goto kgdb_exit;
-			}
-
-		}
-
-		/* reply to the request */
-		put_packet(remcom_out_buffer);
-	}
-
-kgdb_exit:
-	if (ks->pass_exception)
-		error = 1;
-	return error;
-}
-
 static int kgdb_reenter_check(struct kgdb_state *ks)
 {
 	unsigned long addr;
@@ -1334,17 +418,17 @@ static int kgdb_reenter_check(struct kgdb_state *ks)
 	 * user because the user planted a breakpoint in a place that
 	 * KGDB needs in order to function.
 	 */
-	if (kgdb_remove_sw_break(addr) == 0) {
+	if (dbg_remove_sw_break(addr) == 0) {
 		exception_level = 0;
 		kgdb_skipexception(ks->ex_vector, ks->linux_regs);
-		kgdb_activate_sw_breakpoints();
+		dbg_activate_sw_breakpoints();
 		printk(KERN_CRIT "KGDB: re-enter error: breakpoint removed %lx\n",
 			addr);
 		WARN_ON_ONCE(1);
 
 		return 1;
 	}
-	remove_all_break();
+	dbg_remove_all_break();
 	kgdb_skipexception(ks->ex_vector, ks->linux_regs);
 
 	if (exception_level > 1) {
@@ -1430,7 +514,7 @@ return_normal:
 
 	if (!kgdb_io_ready(1)) {
 		error = 1;
-		goto kgdb_restore; /* No I/O connection, so resume the system */
+		goto kgdb_restore; /* No I/O connection, resume the system */
 	}
 
 	/*
@@ -1440,8 +524,8 @@ return_normal:
 		goto kgdb_restore;
 
 	/* Call the I/O driver's pre_exception routine */
-	if (kgdb_io_ops->pre_exception)
-		kgdb_io_ops->pre_exception();
+	if (dbg_io_ops->pre_exception)
+		dbg_io_ops->pre_exception();
 
 	kgdb_disable_hw_debug(ks->linux_regs);
 
@@ -1485,8 +569,8 @@ return_normal:
 	error = gdb_serial_stub(ks);
 
 	/* Call the I/O driver's post_exception routine */
-	if (kgdb_io_ops->post_exception)
-		kgdb_io_ops->post_exception();
+	if (dbg_io_ops->post_exception)
+		dbg_io_ops->post_exception();
 
 	atomic_dec(&cpu_in_kgdb[ks->cpu]);
 
@@ -1585,7 +669,7 @@ static void kgdb_console_write(struct console *co, const char *s,
 		return;
 
 	local_irq_save(flags);
-	kgdb_msg_write(s, count);
+	gdbstub_msg_write(s, count);
 	local_irq_restore(flags);
 }
 
@@ -1597,9 +681,9 @@ static struct console kgdbcons = {
 };
 
 #ifdef CONFIG_MAGIC_SYSRQ
-static void sysrq_handle_gdb(int key, struct tty_struct *tty)
+static void sysrq_handle_dbg(int key, struct tty_struct *tty)
 {
-	if (!kgdb_io_ops) {
+	if (!dbg_io_ops) {
 		printk(KERN_CRIT "ERROR: No KGDB I/O module available\n");
 		return;
 	}
@@ -1609,8 +693,8 @@ static void sysrq_handle_gdb(int key, struct tty_struct *tty)
 	kgdb_breakpoint();
 }
 
-static struct sysrq_key_op sysrq_gdb_op = {
-	.handler	= sysrq_handle_gdb,
+static struct sysrq_key_op sysrq_dbg_op = {
+	.handler	= sysrq_handle_dbg,
 	.help_msg	= "debug(G)",
 	.action_msg	= "DEBUG",
 };
@@ -1622,7 +706,7 @@ static void kgdb_register_callbacks(void)
 		kgdb_io_module_registered = 1;
 		kgdb_arch_init();
 #ifdef CONFIG_MAGIC_SYSRQ
-		register_sysrq_key('g', &sysrq_gdb_op);
+		register_sysrq_key('g', &sysrq_dbg_op);
 #endif
 		if (kgdb_use_con && !kgdb_con_registered) {
 			register_console(&kgdbcons);
@@ -1642,7 +726,7 @@ static void kgdb_unregister_callbacks(void)
 		kgdb_io_module_registered = 0;
 		kgdb_arch_exit();
 #ifdef CONFIG_MAGIC_SYSRQ
-		unregister_sysrq_key('g', &sysrq_gdb_op);
+		unregister_sysrq_key('g', &sysrq_dbg_op);
 #endif
 		if (kgdb_con_registered) {
 			unregister_console(&kgdbcons);
@@ -1661,17 +745,17 @@ static void kgdb_initial_breakpoint(void)
 
 /**
  *	kgdb_register_io_module - register KGDB IO module
- *	@new_kgdb_io_ops: the io ops vector
+ *	@new_dbg_io_ops: the io ops vector
  *
  *	Register it with the KGDB core.
  */
-int kgdb_register_io_module(struct kgdb_io *new_kgdb_io_ops)
+int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
 {
 	int err;
 
 	spin_lock(&kgdb_registration_lock);
 
-	if (kgdb_io_ops) {
+	if (dbg_io_ops) {
 		spin_unlock(&kgdb_registration_lock);
 
 		printk(KERN_ERR "kgdb: Another I/O driver is already "
@@ -1679,20 +763,20 @@ int kgdb_register_io_module(struct kgdb_io *new_kgdb_io_ops)
 		return -EBUSY;
 	}
 
-	if (new_kgdb_io_ops->init) {
-		err = new_kgdb_io_ops->init();
+	if (new_dbg_io_ops->init) {
+		err = new_dbg_io_ops->init();
 		if (err) {
 			spin_unlock(&kgdb_registration_lock);
 			return err;
 		}
 	}
 
-	kgdb_io_ops = new_kgdb_io_ops;
+	dbg_io_ops = new_dbg_io_ops;
 
 	spin_unlock(&kgdb_registration_lock);
 
 	printk(KERN_INFO "kgdb: Registered I/O driver %s.\n",
-	       new_kgdb_io_ops->name);
+	       new_dbg_io_ops->name);
 
 	/* Arm KGDB now. */
 	kgdb_register_callbacks();
@@ -1706,11 +790,11 @@ EXPORT_SYMBOL_GPL(kgdb_register_io_module);
 
 /**
  *	kkgdb_unregister_io_module - unregister KGDB IO module
- *	@old_kgdb_io_ops: the io ops vector
+ *	@old_dbg_io_ops: the io ops vector
  *
  *	Unregister it with the KGDB core.
  */
-void kgdb_unregister_io_module(struct kgdb_io *old_kgdb_io_ops)
+void kgdb_unregister_io_module(struct kgdb_io *old_dbg_io_ops)
 {
 	BUG_ON(kgdb_connected);
 
@@ -1722,14 +806,14 @@ void kgdb_unregister_io_module(struct kgdb_io *old_kgdb_io_ops)
 
 	spin_lock(&kgdb_registration_lock);
 
-	WARN_ON_ONCE(kgdb_io_ops != old_kgdb_io_ops);
-	kgdb_io_ops = NULL;
+	WARN_ON_ONCE(dbg_io_ops != old_dbg_io_ops);
+	dbg_io_ops = NULL;
 
 	spin_unlock(&kgdb_registration_lock);
 
 	printk(KERN_INFO
 		"kgdb: Unregistered I/O driver %s, debugger disabled.\n",
-		old_kgdb_io_ops->name);
+		old_dbg_io_ops->name);
 }
 EXPORT_SYMBOL_GPL(kgdb_unregister_io_module);
 
diff --git a/kernel/debug/debug_core.h b/kernel/debug/debug_core.h
new file mode 100644
index 00000000000..db554f9be51
--- /dev/null
+++ b/kernel/debug/debug_core.h
@@ -0,0 +1,55 @@
+/*
+ * Created by: Jason Wessel <jason.wessel@windriver.com>
+ *
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef _DEBUG_CORE_H_
+#define _DEBUG_CORE_H_
+/*
+ * These are the private implementation headers between the kernel
+ * debugger core and the debugger front end code.
+ */
+
+/* kernel debug core data structures */
+struct kgdb_state {
+	int			ex_vector;
+	int			signo;
+	int			err_code;
+	int			cpu;
+	int			pass_exception;
+	unsigned long		thr_query;
+	unsigned long		threadid;
+	long			kgdb_usethreadid;
+	struct pt_regs		*linux_regs;
+};
+
+/* Exception state values */
+#define DCPU_WANT_MASTER 0x1 /* Waiting to become a master kgdb cpu */
+#define DCPU_NEXT_MASTER 0x2 /* Transition from one master cpu to another */
+#define DCPU_IS_SLAVE    0x4 /* Slave cpu enter exception */
+#define DCPU_SSTEP       0x8 /* CPU is single stepping */
+
+struct debuggerinfo_struct {
+	void			*debuggerinfo;
+	struct task_struct	*task;
+	int			exception_state;
+};
+
+extern struct debuggerinfo_struct kgdb_info[];
+
+/* kernel debug core break point routines */
+extern int dbg_remove_all_break(void);
+extern int dbg_set_sw_break(unsigned long addr);
+extern int dbg_remove_sw_break(unsigned long addr);
+extern int dbg_activate_sw_breakpoints(void);
+
+/* gdbstub interface functions */
+extern int gdb_serial_stub(struct kgdb_state *ks);
+extern void gdbstub_msg_write(const char *s, int len);
+
+#endif /* _DEBUG_CORE_H_ */
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c
new file mode 100644
index 00000000000..ccdf0929f12
--- /dev/null
+++ b/kernel/debug/gdbstub.c
@@ -0,0 +1,934 @@
+/*
+ * Kernel Debug Core
+ *
+ * Maintainer: Jason Wessel <jason.wessel@windriver.com>
+ *
+ * Copyright (C) 2000-2001 VERITAS Software Corporation.
+ * Copyright (C) 2002-2004 Timesys Corporation
+ * Copyright (C) 2003-2004 Amit S. Kale <amitkale@linsyssoft.com>
+ * Copyright (C) 2004 Pavel Machek <pavel@suse.cz>
+ * Copyright (C) 2004-2006 Tom Rini <trini@kernel.crashing.org>
+ * Copyright (C) 2004-2006 LinSysSoft Technologies Pvt. Ltd.
+ * Copyright (C) 2005-2009 Wind River Systems, Inc.
+ * Copyright (C) 2007 MontaVista Software, Inc.
+ * Copyright (C) 2008 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ *
+ * Contributors at various stages not listed above:
+ *  Jason Wessel ( jason.wessel@windriver.com )
+ *  George Anzinger <george@mvista.com>
+ *  Anurekh Saxena (anurekh.saxena@timesys.com)
+ *  Lake Stevens Instrument Division (Glenn Engel)
+ *  Jim Kingdon, Cygnus Support.
+ *
+ * Original KGDB stub: David Grothe <dave@gcom.com>,
+ * Tigran Aivazian <tigran@sco.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/kgdb.h>
+#include <linux/reboot.h>
+#include <linux/uaccess.h>
+#include <asm/cacheflush.h>
+#include <asm/unaligned.h>
+#include "debug_core.h"
+
+#define KGDB_MAX_THREAD_QUERY 17
+
+/* Our I/O buffers. */
+static char			remcom_in_buffer[BUFMAX];
+static char			remcom_out_buffer[BUFMAX];
+
+/* Storage for the registers, in GDB format. */
+static unsigned long		gdb_regs[(NUMREGBYTES +
+					sizeof(unsigned long) - 1) /
+					sizeof(unsigned long)];
+
+/*
+ * GDB remote protocol parser:
+ */
+
+static int hex(char ch)
+{
+	if ((ch >= 'a') && (ch <= 'f'))
+		return ch - 'a' + 10;
+	if ((ch >= '0') && (ch <= '9'))
+		return ch - '0';
+	if ((ch >= 'A') && (ch <= 'F'))
+		return ch - 'A' + 10;
+	return -1;
+}
+
+/* scan for the sequence $<data>#<checksum> */
+static void get_packet(char *buffer)
+{
+	unsigned char checksum;
+	unsigned char xmitcsum;
+	int count;
+	char ch;
+
+	do {
+		/*
+		 * Spin and wait around for the start character, ignore all
+		 * other characters:
+		 */
+		while ((ch = (dbg_io_ops->read_char())) != '$')
+			/* nothing */;
+
+		kgdb_connected = 1;
+		checksum = 0;
+		xmitcsum = -1;
+
+		count = 0;
+
+		/*
+		 * now, read until a # or end of buffer is found:
+		 */
+		while (count < (BUFMAX - 1)) {
+			ch = dbg_io_ops->read_char();
+			if (ch == '#')
+				break;
+			checksum = checksum + ch;
+			buffer[count] = ch;
+			count = count + 1;
+		}
+		buffer[count] = 0;
+
+		if (ch == '#') {
+			xmitcsum = hex(dbg_io_ops->read_char()) << 4;
+			xmitcsum += hex(dbg_io_ops->read_char());
+
+			if (checksum != xmitcsum)
+				/* failed checksum */
+				dbg_io_ops->write_char('-');
+			else
+				/* successful transfer */
+				dbg_io_ops->write_char('+');
+			if (dbg_io_ops->flush)
+				dbg_io_ops->flush();
+		}
+	} while (checksum != xmitcsum);
+}
+
+/*
+ * Send the packet in buffer.
+ * Check for gdb connection if asked for.
+ */
+static void put_packet(char *buffer)
+{
+	unsigned char checksum;
+	int count;
+	char ch;
+
+	/*
+	 * $<packet info>#<checksum>.
+	 */
+	while (1) {
+		dbg_io_ops->write_char('$');
+		checksum = 0;
+		count = 0;
+
+		while ((ch = buffer[count])) {
+			dbg_io_ops->write_char(ch);
+			checksum += ch;
+			count++;
+		}
+
+		dbg_io_ops->write_char('#');
+		dbg_io_ops->write_char(hex_asc_hi(checksum));
+		dbg_io_ops->write_char(hex_asc_lo(checksum));
+		if (dbg_io_ops->flush)
+			dbg_io_ops->flush();
+
+		/* Now see what we get in reply. */
+		ch = dbg_io_ops->read_char();
+
+		if (ch == 3)
+			ch = dbg_io_ops->read_char();
+
+		/* If we get an ACK, we are done. */
+		if (ch == '+')
+			return;
+
+		/*
+		 * If we get the start of another packet, this means
+		 * that GDB is attempting to reconnect.  We will NAK
+		 * the packet being sent, and stop trying to send this
+		 * packet.
+		 */
+		if (ch == '$') {
+			dbg_io_ops->write_char('-');
+			if (dbg_io_ops->flush)
+				dbg_io_ops->flush();
+			return;
+		}
+	}
+}
+
+static char gdbmsgbuf[BUFMAX + 1];
+
+void gdbstub_msg_write(const char *s, int len)
+{
+	char *bufptr;
+	int wcount;
+	int i;
+
+	/* 'O'utput */
+	gdbmsgbuf[0] = 'O';
+
+	/* Fill and send buffers... */
+	while (len > 0) {
+		bufptr = gdbmsgbuf + 1;
+
+		/* Calculate how many this time */
+		if ((len << 1) > (BUFMAX - 2))
+			wcount = (BUFMAX - 2) >> 1;
+		else
+			wcount = len;
+
+		/* Pack in hex chars */
+		for (i = 0; i < wcount; i++)
+			bufptr = pack_hex_byte(bufptr, s[i]);
+		*bufptr = '\0';
+
+		/* Move up */
+		s += wcount;
+		len -= wcount;
+
+		/* Write packet */
+		put_packet(gdbmsgbuf);
+	}
+}
+
+/*
+ * Convert the memory pointed to by mem into hex, placing result in
+ * buf.  Return a pointer to the last char put in buf (null). May
+ * return an error.
+ */
+int kgdb_mem2hex(char *mem, char *buf, int count)
+{
+	char *tmp;
+	int err;
+
+	/*
+	 * We use the upper half of buf as an intermediate buffer for the
+	 * raw memory copy.  Hex conversion will work against this one.
+	 */
+	tmp = buf + count;
+
+	err = probe_kernel_read(tmp, mem, count);
+	if (!err) {
+		while (count > 0) {
+			buf = pack_hex_byte(buf, *tmp);
+			tmp++;
+			count--;
+		}
+
+		*buf = 0;
+	}
+
+	return err;
+}
+
+/*
+ * Convert the hex array pointed to by buf into binary to be placed in
+ * mem.  Return a pointer to the character AFTER the last byte
+ * written.  May return an error.
+ */
+int kgdb_hex2mem(char *buf, char *mem, int count)
+{
+	char *tmp_raw;
+	char *tmp_hex;
+
+	/*
+	 * We use the upper half of buf as an intermediate buffer for the
+	 * raw memory that is converted from hex.
+	 */
+	tmp_raw = buf + count * 2;
+
+	tmp_hex = tmp_raw - 1;
+	while (tmp_hex >= buf) {
+		tmp_raw--;
+		*tmp_raw = hex(*tmp_hex--);
+		*tmp_raw |= hex(*tmp_hex--) << 4;
+	}
+
+	return probe_kernel_write(mem, tmp_raw, count);
+}
+
+/*
+ * While we find nice hex chars, build a long_val.
+ * Return number of chars processed.
+ */
+int kgdb_hex2long(char **ptr, unsigned long *long_val)
+{
+	int hex_val;
+	int num = 0;
+	int negate = 0;
+
+	*long_val = 0;
+
+	if (**ptr == '-') {
+		negate = 1;
+		(*ptr)++;
+	}
+	while (**ptr) {
+		hex_val = hex(**ptr);
+		if (hex_val < 0)
+			break;
+
+		*long_val = (*long_val << 4) | hex_val;
+		num++;
+		(*ptr)++;
+	}
+
+	if (negate)
+		*long_val = -*long_val;
+
+	return num;
+}
+
+/*
+ * Copy the binary array pointed to by buf into mem.  Fix $, #, and
+ * 0x7d escaped with 0x7d. Return -EFAULT on failure or 0 on success.
+ * The input buf is overwitten with the result to write to mem.
+ */
+static int kgdb_ebin2mem(char *buf, char *mem, int count)
+{
+	int size = 0;
+	char *c = buf;
+
+	while (count-- > 0) {
+		c[size] = *buf++;
+		if (c[size] == 0x7d)
+			c[size] = *buf++ ^ 0x20;
+		size++;
+	}
+
+	return probe_kernel_write(mem, c, size);
+}
+
+/* Write memory due to an 'M' or 'X' packet. */
+static int write_mem_msg(int binary)
+{
+	char *ptr = &remcom_in_buffer[1];
+	unsigned long addr;
+	unsigned long length;
+	int err;
+
+	if (kgdb_hex2long(&ptr, &addr) > 0 && *(ptr++) == ',' &&
+	    kgdb_hex2long(&ptr, &length) > 0 && *(ptr++) == ':') {
+		if (binary)
+			err = kgdb_ebin2mem(ptr, (char *)addr, length);
+		else
+			err = kgdb_hex2mem(ptr, (char *)addr, length);
+		if (err)
+			return err;
+		if (CACHE_FLUSH_IS_SAFE)
+			flush_icache_range(addr, addr + length);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static void error_packet(char *pkt, int error)
+{
+	error = -error;
+	pkt[0] = 'E';
+	pkt[1] = hex_asc[(error / 10)];
+	pkt[2] = hex_asc[(error % 10)];
+	pkt[3] = '\0';
+}
+
+/*
+ * Thread ID accessors. We represent a flat TID space to GDB, where
+ * the per CPU idle threads (which under Linux all have PID 0) are
+ * remapped to negative TIDs.
+ */
+
+#define BUF_THREAD_ID_SIZE	16
+
+static char *pack_threadid(char *pkt, unsigned char *id)
+{
+	char *limit;
+
+	limit = pkt + BUF_THREAD_ID_SIZE;
+	while (pkt < limit)
+		pkt = pack_hex_byte(pkt, *id++);
+
+	return pkt;
+}
+
+static void int_to_threadref(unsigned char *id, int value)
+{
+	unsigned char *scan;
+	int i = 4;
+
+	scan = (unsigned char *)id;
+	while (i--)
+		*scan++ = 0;
+	put_unaligned_be32(value, scan);
+}
+
+static struct task_struct *getthread(struct pt_regs *regs, int tid)
+{
+	/*
+	 * Non-positive TIDs are remapped to the cpu shadow information
+	 */
+	if (tid == 0 || tid == -1)
+		tid = -atomic_read(&kgdb_active) - 2;
+	if (tid < -1 && tid > -NR_CPUS - 2) {
+		if (kgdb_info[-tid - 2].task)
+			return kgdb_info[-tid - 2].task;
+		else
+			return idle_task(-tid - 2);
+	}
+	if (tid <= 0) {
+		printk(KERN_ERR "KGDB: Internal thread select error\n");
+		dump_stack();
+		return NULL;
+	}
+
+	/*
+	 * find_task_by_pid_ns() does not take the tasklist lock anymore
+	 * but is nicely RCU locked - hence is a pretty resilient
+	 * thing to use:
+	 */
+	return find_task_by_pid_ns(tid, &init_pid_ns);
+}
+
+
+/*
+ * Remap normal tasks to their real PID,
+ * CPU shadow threads are mapped to -CPU - 2
+ */
+static inline int shadow_pid(int realpid)
+{
+	if (realpid)
+		return realpid;
+
+	return -raw_smp_processor_id() - 2;
+}
+
+/*
+ * All the functions that start with gdb_cmd are the various
+ * operations to implement the handlers for the gdbserial protocol
+ * where KGDB is communicating with an external debugger
+ */
+
+/* Handle the '?' status packets */
+static void gdb_cmd_status(struct kgdb_state *ks)
+{
+	/*
+	 * We know that this packet is only sent
+	 * during initial connect.  So to be safe,
+	 * we clear out our breakpoints now in case
+	 * GDB is reconnecting.
+	 */
+	dbg_remove_all_break();
+
+	remcom_out_buffer[0] = 'S';
+	pack_hex_byte(&remcom_out_buffer[1], ks->signo);
+}
+
+/* Handle the 'g' get registers request */
+static void gdb_cmd_getregs(struct kgdb_state *ks)
+{
+	struct task_struct *thread;
+	void *local_debuggerinfo;
+	int i;
+
+	thread = kgdb_usethread;
+	if (!thread) {
+		thread = kgdb_info[ks->cpu].task;
+		local_debuggerinfo = kgdb_info[ks->cpu].debuggerinfo;
+	} else {
+		local_debuggerinfo = NULL;
+		for_each_online_cpu(i) {
+			/*
+			 * Try to find the task on some other
+			 * or possibly this node if we do not
+			 * find the matching task then we try
+			 * to approximate the results.
+			 */
+			if (thread == kgdb_info[i].task)
+				local_debuggerinfo = kgdb_info[i].debuggerinfo;
+		}
+	}
+
+	/*
+	 * All threads that don't have debuggerinfo should be
+	 * in schedule() sleeping, since all other CPUs
+	 * are in kgdb_wait, and thus have debuggerinfo.
+	 */
+	if (local_debuggerinfo) {
+		pt_regs_to_gdb_regs(gdb_regs, local_debuggerinfo);
+	} else {
+		/*
+		 * Pull stuff saved during switch_to; nothing
+		 * else is accessible (or even particularly
+		 * relevant).
+		 *
+		 * This should be enough for a stack trace.
+		 */
+		sleeping_thread_to_gdb_regs(gdb_regs, thread);
+	}
+	kgdb_mem2hex((char *)gdb_regs, remcom_out_buffer, NUMREGBYTES);
+}
+
+/* Handle the 'G' set registers request */
+static void gdb_cmd_setregs(struct kgdb_state *ks)
+{
+	kgdb_hex2mem(&remcom_in_buffer[1], (char *)gdb_regs, NUMREGBYTES);
+
+	if (kgdb_usethread && kgdb_usethread != current) {
+		error_packet(remcom_out_buffer, -EINVAL);
+	} else {
+		gdb_regs_to_pt_regs(gdb_regs, ks->linux_regs);
+		strcpy(remcom_out_buffer, "OK");
+	}
+}
+
+/* Handle the 'm' memory read bytes */
+static void gdb_cmd_memread(struct kgdb_state *ks)
+{
+	char *ptr = &remcom_in_buffer[1];
+	unsigned long length;
+	unsigned long addr;
+	int err;
+
+	if (kgdb_hex2long(&ptr, &addr) > 0 && *ptr++ == ',' &&
+					kgdb_hex2long(&ptr, &length) > 0) {
+		err = kgdb_mem2hex((char *)addr, remcom_out_buffer, length);
+		if (err)
+			error_packet(remcom_out_buffer, err);
+	} else {
+		error_packet(remcom_out_buffer, -EINVAL);
+	}
+}
+
+/* Handle the 'M' memory write bytes */
+static void gdb_cmd_memwrite(struct kgdb_state *ks)
+{
+	int err = write_mem_msg(0);
+
+	if (err)
+		error_packet(remcom_out_buffer, err);
+	else
+		strcpy(remcom_out_buffer, "OK");
+}
+
+/* Handle the 'X' memory binary write bytes */
+static void gdb_cmd_binwrite(struct kgdb_state *ks)
+{
+	int err = write_mem_msg(1);
+
+	if (err)
+		error_packet(remcom_out_buffer, err);
+	else
+		strcpy(remcom_out_buffer, "OK");
+}
+
+/* Handle the 'D' or 'k', detach or kill packets */
+static void gdb_cmd_detachkill(struct kgdb_state *ks)
+{
+	int error;
+
+	/* The detach case */
+	if (remcom_in_buffer[0] == 'D') {
+		error = dbg_remove_all_break();
+		if (error < 0) {
+			error_packet(remcom_out_buffer, error);
+		} else {
+			strcpy(remcom_out_buffer, "OK");
+			kgdb_connected = 0;
+		}
+		put_packet(remcom_out_buffer);
+	} else {
+		/*
+		 * Assume the kill case, with no exit code checking,
+		 * trying to force detach the debugger:
+		 */
+		dbg_remove_all_break();
+		kgdb_connected = 0;
+	}
+}
+
+/* Handle the 'R' reboot packets */
+static int gdb_cmd_reboot(struct kgdb_state *ks)
+{
+	/* For now, only honor R0 */
+	if (strcmp(remcom_in_buffer, "R0") == 0) {
+		printk(KERN_CRIT "Executing emergency reboot\n");
+		strcpy(remcom_out_buffer, "OK");
+		put_packet(remcom_out_buffer);
+
+		/*
+		 * Execution should not return from
+		 * machine_emergency_restart()
+		 */
+		machine_emergency_restart();
+		kgdb_connected = 0;
+
+		return 1;
+	}
+	return 0;
+}
+
+/* Handle the 'q' query packets */
+static void gdb_cmd_query(struct kgdb_state *ks)
+{
+	struct task_struct *g;
+	struct task_struct *p;
+	unsigned char thref[8];
+	char *ptr;
+	int i;
+	int cpu;
+	int finished = 0;
+
+	switch (remcom_in_buffer[1]) {
+	case 's':
+	case 'f':
+		if (memcmp(remcom_in_buffer + 2, "ThreadInfo", 10)) {
+			error_packet(remcom_out_buffer, -EINVAL);
+			break;
+		}
+
+		i = 0;
+		remcom_out_buffer[0] = 'm';
+		ptr = remcom_out_buffer + 1;
+		if (remcom_in_buffer[1] == 'f') {
+			/* Each cpu is a shadow thread */
+			for_each_online_cpu(cpu) {
+				ks->thr_query = 0;
+				int_to_threadref(thref, -cpu - 2);
+				pack_threadid(ptr, thref);
+				ptr += BUF_THREAD_ID_SIZE;
+				*(ptr++) = ',';
+				i++;
+			}
+		}
+
+		do_each_thread(g, p) {
+			if (i >= ks->thr_query && !finished) {
+				int_to_threadref(thref, p->pid);
+				pack_threadid(ptr, thref);
+				ptr += BUF_THREAD_ID_SIZE;
+				*(ptr++) = ',';
+				ks->thr_query++;
+				if (ks->thr_query % KGDB_MAX_THREAD_QUERY == 0)
+					finished = 1;
+			}
+			i++;
+		} while_each_thread(g, p);
+
+		*(--ptr) = '\0';
+		break;
+
+	case 'C':
+		/* Current thread id */
+		strcpy(remcom_out_buffer, "QC");
+		ks->threadid = shadow_pid(current->pid);
+		int_to_threadref(thref, ks->threadid);
+		pack_threadid(remcom_out_buffer + 2, thref);
+		break;
+	case 'T':
+		if (memcmp(remcom_in_buffer + 1, "ThreadExtraInfo,", 16)) {
+			error_packet(remcom_out_buffer, -EINVAL);
+			break;
+		}
+		ks->threadid = 0;
+		ptr = remcom_in_buffer + 17;
+		kgdb_hex2long(&ptr, &ks->threadid);
+		if (!getthread(ks->linux_regs, ks->threadid)) {
+			error_packet(remcom_out_buffer, -EINVAL);
+			break;
+		}
+		if ((int)ks->threadid > 0) {
+			kgdb_mem2hex(getthread(ks->linux_regs,
+					ks->threadid)->comm,
+					remcom_out_buffer, 16);
+		} else {
+			static char tmpstr[23 + BUF_THREAD_ID_SIZE];
+
+			sprintf(tmpstr, "shadowCPU%d",
+					(int)(-ks->threadid - 2));
+			kgdb_mem2hex(tmpstr, remcom_out_buffer, strlen(tmpstr));
+		}
+		break;
+	}
+}
+
+/* Handle the 'H' task query packets */
+static void gdb_cmd_task(struct kgdb_state *ks)
+{
+	struct task_struct *thread;
+	char *ptr;
+
+	switch (remcom_in_buffer[1]) {
+	case 'g':
+		ptr = &remcom_in_buffer[2];
+		kgdb_hex2long(&ptr, &ks->threadid);
+		thread = getthread(ks->linux_regs, ks->threadid);
+		if (!thread && ks->threadid > 0) {
+			error_packet(remcom_out_buffer, -EINVAL);
+			break;
+		}
+		kgdb_usethread = thread;
+		ks->kgdb_usethreadid = ks->threadid;
+		strcpy(remcom_out_buffer, "OK");
+		break;
+	case 'c':
+		ptr = &remcom_in_buffer[2];
+		kgdb_hex2long(&ptr, &ks->threadid);
+		if (!ks->threadid) {
+			kgdb_contthread = NULL;
+		} else {
+			thread = getthread(ks->linux_regs, ks->threadid);
+			if (!thread && ks->threadid > 0) {
+				error_packet(remcom_out_buffer, -EINVAL);
+				break;
+			}
+			kgdb_contthread = thread;
+		}
+		strcpy(remcom_out_buffer, "OK");
+		break;
+	}
+}
+
+/* Handle the 'T' thread query packets */
+static void gdb_cmd_thread(struct kgdb_state *ks)
+{
+	char *ptr = &remcom_in_buffer[1];
+	struct task_struct *thread;
+
+	kgdb_hex2long(&ptr, &ks->threadid);
+	thread = getthread(ks->linux_regs, ks->threadid);
+	if (thread)
+		strcpy(remcom_out_buffer, "OK");
+	else
+		error_packet(remcom_out_buffer, -EINVAL);
+}
+
+/* Handle the 'z' or 'Z' breakpoint remove or set packets */
+static void gdb_cmd_break(struct kgdb_state *ks)
+{
+	/*
+	 * Since GDB-5.3, it's been drafted that '0' is a software
+	 * breakpoint, '1' is a hardware breakpoint, so let's do that.
+	 */
+	char *bpt_type = &remcom_in_buffer[1];
+	char *ptr = &remcom_in_buffer[2];
+	unsigned long addr;
+	unsigned long length;
+	int error = 0;
+
+	if (arch_kgdb_ops.set_hw_breakpoint && *bpt_type >= '1') {
+		/* Unsupported */
+		if (*bpt_type > '4')
+			return;
+	} else {
+		if (*bpt_type != '0' && *bpt_type != '1')
+			/* Unsupported. */
+			return;
+	}
+
+	/*
+	 * Test if this is a hardware breakpoint, and
+	 * if we support it:
+	 */
+	if (*bpt_type == '1' && !(arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT))
+		/* Unsupported. */
+		return;
+
+	if (*(ptr++) != ',') {
+		error_packet(remcom_out_buffer, -EINVAL);
+		return;
+	}
+	if (!kgdb_hex2long(&ptr, &addr)) {
+		error_packet(remcom_out_buffer, -EINVAL);
+		return;
+	}
+	if (*(ptr++) != ',' ||
+		!kgdb_hex2long(&ptr, &length)) {
+		error_packet(remcom_out_buffer, -EINVAL);
+		return;
+	}
+
+	if (remcom_in_buffer[0] == 'Z' && *bpt_type == '0')
+		error = dbg_set_sw_break(addr);
+	else if (remcom_in_buffer[0] == 'z' && *bpt_type == '0')
+		error = dbg_remove_sw_break(addr);
+	else if (remcom_in_buffer[0] == 'Z')
+		error = arch_kgdb_ops.set_hw_breakpoint(addr,
+			(int)length, *bpt_type - '0');
+	else if (remcom_in_buffer[0] == 'z')
+		error = arch_kgdb_ops.remove_hw_breakpoint(addr,
+			(int) length, *bpt_type - '0');
+
+	if (error == 0)
+		strcpy(remcom_out_buffer, "OK");
+	else
+		error_packet(remcom_out_buffer, error);
+}
+
+/* Handle the 'C' signal / exception passing packets */
+static int gdb_cmd_exception_pass(struct kgdb_state *ks)
+{
+	/* C09 == pass exception
+	 * C15 == detach kgdb, pass exception
+	 */
+	if (remcom_in_buffer[1] == '0' && remcom_in_buffer[2] == '9') {
+
+		ks->pass_exception = 1;
+		remcom_in_buffer[0] = 'c';
+
+	} else if (remcom_in_buffer[1] == '1' && remcom_in_buffer[2] == '5') {
+
+		ks->pass_exception = 1;
+		remcom_in_buffer[0] = 'D';
+		dbg_remove_all_break();
+		kgdb_connected = 0;
+		return 1;
+
+	} else {
+		gdbstub_msg_write("KGDB only knows signal 9 (pass)"
+			" and 15 (pass and disconnect)\n"
+			"Executing a continue without signal passing\n", 0);
+		remcom_in_buffer[0] = 'c';
+	}
+
+	/* Indicate fall through */
+	return -1;
+}
+
+/*
+ * This function performs all gdbserial command procesing
+ */
+int gdb_serial_stub(struct kgdb_state *ks)
+{
+	int error = 0;
+	int tmp;
+
+	/* Clear the out buffer. */
+	memset(remcom_out_buffer, 0, sizeof(remcom_out_buffer));
+
+	if (kgdb_connected) {
+		unsigned char thref[8];
+		char *ptr;
+
+		/* Reply to host that an exception has occurred */
+		ptr = remcom_out_buffer;
+		*ptr++ = 'T';
+		ptr = pack_hex_byte(ptr, ks->signo);
+		ptr += strlen(strcpy(ptr, "thread:"));
+		int_to_threadref(thref, shadow_pid(current->pid));
+		ptr = pack_threadid(ptr, thref);
+		*ptr++ = ';';
+		put_packet(remcom_out_buffer);
+	}
+
+	kgdb_usethread = kgdb_info[ks->cpu].task;
+	ks->kgdb_usethreadid = shadow_pid(kgdb_info[ks->cpu].task->pid);
+	ks->pass_exception = 0;
+
+	while (1) {
+		error = 0;
+
+		/* Clear the out buffer. */
+		memset(remcom_out_buffer, 0, sizeof(remcom_out_buffer));
+
+		get_packet(remcom_in_buffer);
+
+		switch (remcom_in_buffer[0]) {
+		case '?': /* gdbserial status */
+			gdb_cmd_status(ks);
+			break;
+		case 'g': /* return the value of the CPU registers */
+			gdb_cmd_getregs(ks);
+			break;
+		case 'G': /* set the value of the CPU registers - return OK */
+			gdb_cmd_setregs(ks);
+			break;
+		case 'm': /* mAA..AA,LLLL  Read LLLL bytes at address AA..AA */
+			gdb_cmd_memread(ks);
+			break;
+		case 'M': /* MAA..AA,LLLL: Write LLLL bytes at address AA..AA */
+			gdb_cmd_memwrite(ks);
+			break;
+		case 'X': /* XAA..AA,LLLL: Write LLLL bytes at address AA..AA */
+			gdb_cmd_binwrite(ks);
+			break;
+			/* kill or detach. KGDB should treat this like a
+			 * continue.
+			 */
+		case 'D': /* Debugger detach */
+		case 'k': /* Debugger detach via kill */
+			gdb_cmd_detachkill(ks);
+			goto default_handle;
+		case 'R': /* Reboot */
+			if (gdb_cmd_reboot(ks))
+				goto default_handle;
+			break;
+		case 'q': /* query command */
+			gdb_cmd_query(ks);
+			break;
+		case 'H': /* task related */
+			gdb_cmd_task(ks);
+			break;
+		case 'T': /* Query thread status */
+			gdb_cmd_thread(ks);
+			break;
+		case 'z': /* Break point remove */
+		case 'Z': /* Break point set */
+			gdb_cmd_break(ks);
+			break;
+		case 'C': /* Exception passing */
+			tmp = gdb_cmd_exception_pass(ks);
+			if (tmp > 0)
+				goto default_handle;
+			if (tmp == 0)
+				break;
+			/* Fall through on tmp < 0 */
+		case 'c': /* Continue packet */
+		case 's': /* Single step packet */
+			if (kgdb_contthread && kgdb_contthread != current) {
+				/* Can't switch threads in kgdb */
+				error_packet(remcom_out_buffer, -EINVAL);
+				break;
+			}
+			dbg_activate_sw_breakpoints();
+			/* Fall through to default processing */
+		default:
+default_handle:
+			error = kgdb_arch_handle_exception(ks->ex_vector,
+						ks->signo,
+						ks->err_code,
+						remcom_in_buffer,
+						remcom_out_buffer,
+						ks->linux_regs);
+			/*
+			 * Leave cmd processing on error, detach,
+			 * kill, continue, or single step.
+			 */
+			if (error >= 0 || remcom_in_buffer[0] == 'D' ||
+			    remcom_in_buffer[0] == 'k') {
+				error = 0;
+				goto kgdb_exit;
+			}
+
+		}
+
+		/* reply to the request */
+		put_packet(remcom_out_buffer);
+	}
+
+kgdb_exit:
+	if (ks->pass_exception)
+		error = 1;
+	return error;
+}

From 4063eb5fa4ef514077f84f47a7759ab255eddda5 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:19 -0500
Subject: [PATCH 2407/3638] MAINTAINERS: update kgdb, and debug_core info

Update the kgdb section.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 MAINTAINERS | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 24490426750..397aba34f56 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3326,15 +3326,16 @@ F:	include/linux/key-type.h
 F:	include/keys/
 F:	security/keys/
 
-KGDB
+KGDB / debug_core
 M:	Jason Wessel <jason.wessel@windriver.com>
+W:	http://kgdb.wiki.kernel.org/
 L:	kgdb-bugreport@lists.sourceforge.net
 S:	Maintained
 F:	Documentation/DocBook/kgdb.tmpl
 F:	drivers/misc/kgdbts.c
 F:	drivers/serial/kgdboc.c
 F:	include/linux/kgdb.h
-F:	kernel/kgdb.c
+F:	kernel/debug/
 
 KMEMCHECK
 M:	Vegard Nossum <vegardno@ifi.uio.no>

From c75fbb05b523571c0fdc48d4b968b73f0e20acbb Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:19 -0500
Subject: [PATCH 2408/3638] kgdb,sparc: Add in kgdb_arch_set_pc for sparc

The new debug core api requires all architectures that use to debug
core to implement a function to set the program counter.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/kgdb_32.c | 6 ++++++
 arch/sparc/kernel/kgdb_64.c | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c
index 04df4edc007..539243b236f 100644
--- a/arch/sparc/kernel/kgdb_32.c
+++ b/arch/sparc/kernel/kgdb_32.c
@@ -158,6 +158,12 @@ void kgdb_arch_exit(void)
 {
 }
 
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
+{
+	regs->pc = ip;
+	regs->npc = regs->pc + 4;
+}
+
 struct kgdb_arch arch_kgdb_ops = {
 	/* Breakpoint instruction: ta 0x7d */
 	.gdb_bpt_instr		= { 0x91, 0xd0, 0x20, 0x7d },
diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c
index 0a2bd0f99fc..768290a6c02 100644
--- a/arch/sparc/kernel/kgdb_64.c
+++ b/arch/sparc/kernel/kgdb_64.c
@@ -181,6 +181,12 @@ void kgdb_arch_exit(void)
 {
 }
 
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
+{
+	regs->tpc = ip;
+	regs->tnpc = regs->tpc + 4;
+}
+
 struct kgdb_arch arch_kgdb_ops = {
 	/* Breakpoint instruction: ta 0x72 */
 	.gdb_bpt_instr		= { 0x91, 0xd0, 0x20, 0x72 },

From 489022cc86ec8817a30226d00d35c67d74dd24a0 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:20 -0500
Subject: [PATCH 2409/3638] kgdb,sh: update superh kgdb exception handling

Implement kgdb_arch_pc() which adjusts the pc if it needs to be
adjusted after a software breakpoint trap.

Implement kgdb_arch_set_pc() which is a new required function in the
kgdb debug core.

When processing a single step return zero in the error exception field
so that the debug core can distinguish between a single step trap and
a breakpoint trap generically.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/kgdb.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index 70c69659b84..efb6d398dec 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -237,6 +237,18 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
 	return -1;
 }
 
+unsigned long kgdb_arch_pc(int exception, struct pt_regs *regs)
+{
+	if (exception == 60)
+		return instruction_pointer(regs) - 2;
+	return instruction_pointer(regs);
+}
+
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
+{
+	regs->pc = ip;
+}
+
 /*
  * The primary entry points for the kgdb debug trap table entries.
  */
@@ -247,7 +259,7 @@ BUILD_TRAP_HANDLER(singlestep)
 
 	local_irq_save(flags);
 	regs->pc -= instruction_size(__raw_readw(regs->pc - 4));
-	kgdb_handle_exception(vec >> 2, SIGTRAP, 0, regs);
+	kgdb_handle_exception(0, SIGTRAP, 0, regs);
 	local_irq_restore(flags);
 }
 

From e8861129d3c1a64e3c62f459aeb1cd54a55ab045 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:20 -0500
Subject: [PATCH 2410/3638] kgdb,blackfin: Add in kgdb_arch_set_pc for blackfin

The new debug core api requires all architectures that use to debug
core to implement a function to set the program counter.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/kernel/kgdb.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index 2c501ceb1e5..7367aea4ae5 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -439,6 +439,11 @@ int kgdb_validate_break_address(unsigned long addr)
 	return -EFAULT;
 }
 
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
+{
+	regs->retx = ip;
+}
+
 int kgdb_arch_init(void)
 {
 	kgdb_single_step = 0;

From 5d5314d6795f3c1c0f415348ff8c51f7de042b77 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:20 -0500
Subject: [PATCH 2411/3638] kdb: core for kgdb back end (1 of 2)

This patch contains only the kdb core.  Because the change set was
large, it was split.  The next patch in the series includes the
instrumentation into the core kernel which are mainly helper functions
for kdb.

This work is directly derived from kdb v4.4 found at:

ftp://oss.sgi.com/projects/kdb/download/v4.4/

The kdb internals have been re-organized to make them mostly platform
independent and to connect everything to the debug core which is used by
gdbstub (which has long been known as kgdb).

The original version of kdb was 58,000 lines worth of changes to
support x86.  From that implementation only the kdb shell, and basic
commands for memory access, runcontrol, lsmod, and dmesg where carried
forward.

This is a generic implementation which aims to cover all the current
architectures using the kgdb core: ppc, arm, x86, mips, sparc, sh and
blackfin.  More archictectures can be added by implementing the
architecture specific kgdb functions.

[mort@sgi.com: Compile fix with hugepages enabled]
[mort@sgi.com: Clean breakpoint code renaming kdba_ -> kdb_]
[mort@sgi.com: fix new line after printing registers]
[mort@sgi.com: Remove the concept of global vs. local breakpoints]
[mort@sgi.com: Rework kdb_si_swapinfo to use more generic name]
[mort@sgi.com: fix the information dump macros, remove 'arch' from the names]
[sfr@canb.auug.org.au: include fixup to include linux/slab.h]

CC: linux-arch@vger.kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Martin Hicks <mort@sgi.com>
---
 include/linux/kdb.h             |  113 ++
 kernel/debug/Makefile           |    1 +
 kernel/debug/kdb/.gitignore     |    1 +
 kernel/debug/kdb/Makefile       |   24 +
 kernel/debug/kdb/kdb_bp.c       |  564 ++++++
 kernel/debug/kdb/kdb_bt.c       |  208 +++
 kernel/debug/kdb/kdb_cmds       |   35 +
 kernel/debug/kdb/kdb_debugger.c |  159 ++
 kernel/debug/kdb/kdb_io.c       |  789 +++++++++
 kernel/debug/kdb/kdb_main.c     | 2845 +++++++++++++++++++++++++++++++
 kernel/debug/kdb/kdb_private.h  |  301 ++++
 kernel/debug/kdb/kdb_support.c  |  927 ++++++++++
 12 files changed, 5967 insertions(+)
 create mode 100644 include/linux/kdb.h
 create mode 100644 kernel/debug/kdb/.gitignore
 create mode 100644 kernel/debug/kdb/Makefile
 create mode 100644 kernel/debug/kdb/kdb_bp.c
 create mode 100644 kernel/debug/kdb/kdb_bt.c
 create mode 100644 kernel/debug/kdb/kdb_cmds
 create mode 100644 kernel/debug/kdb/kdb_debugger.c
 create mode 100644 kernel/debug/kdb/kdb_io.c
 create mode 100644 kernel/debug/kdb/kdb_main.c
 create mode 100644 kernel/debug/kdb/kdb_private.h
 create mode 100644 kernel/debug/kdb/kdb_support.c

diff --git a/include/linux/kdb.h b/include/linux/kdb.h
new file mode 100644
index 00000000000..4d93790faec
--- /dev/null
+++ b/include/linux/kdb.h
@@ -0,0 +1,113 @@
+#ifndef _KDB_H
+#define _KDB_H
+
+/*
+ * Kernel Debugger Architecture Independent Global Headers
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2000-2007 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (C) 2000 Stephane Eranian <eranian@hpl.hp.com>
+ * Copyright (C) 2009 Jason Wessel <jason.wessel@windriver.com>
+ */
+
+#ifdef	CONFIG_KGDB_KDB
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <asm/atomic.h>
+
+#define KDB_POLL_FUNC_MAX	5
+
+/*
+ * kdb_initial_cpu is initialized to -1, and is set to the cpu
+ * number whenever the kernel debugger is entered.
+ */
+extern int kdb_initial_cpu;
+extern atomic_t kdb_event;
+
+/*
+ * kdb_diemsg
+ *
+ *	Contains a pointer to the last string supplied to the
+ *	kernel 'die' panic function.
+ */
+extern const char *kdb_diemsg;
+
+#define KDB_FLAG_EARLYKDB	(1 << 0) /* set from boot parameter kdb=early */
+#define KDB_FLAG_CATASTROPHIC	(1 << 1) /* A catastrophic event has occurred */
+#define KDB_FLAG_CMD_INTERRUPT	(1 << 2) /* Previous command was interrupted */
+#define KDB_FLAG_NOIPI		(1 << 3) /* Do not send IPIs */
+#define KDB_FLAG_ONLY_DO_DUMP	(1 << 4) /* Only do a dump, used when
+					  * kdb is off */
+#define KDB_FLAG_NO_CONSOLE	(1 << 5) /* No console is available,
+					  * kdb is disabled */
+#define KDB_FLAG_NO_VT_CONSOLE	(1 << 6) /* No VT console is available, do
+					  * not use keyboard */
+#define KDB_FLAG_NO_I8042	(1 << 7) /* No i8042 chip is available, do
+					  * not use keyboard */
+
+extern int kdb_flags;	/* Global flags, see kdb_state for per cpu state */
+
+extern void kdb_save_flags(void);
+extern void kdb_restore_flags(void);
+
+#define KDB_FLAG(flag)		(kdb_flags & KDB_FLAG_##flag)
+#define KDB_FLAG_SET(flag)	((void)(kdb_flags |= KDB_FLAG_##flag))
+#define KDB_FLAG_CLEAR(flag)	((void)(kdb_flags &= ~KDB_FLAG_##flag))
+
+/*
+ * External entry point for the kernel debugger.  The pt_regs
+ * at the time of entry are supplied along with the reason for
+ * entry to the kernel debugger.
+ */
+
+typedef enum {
+	KDB_REASON_ENTER = 1,	/* KDB_ENTER() trap/fault - regs valid */
+	KDB_REASON_ENTER_SLAVE,	/* KDB_ENTER_SLAVE() trap/fault - regs valid */
+	KDB_REASON_BREAK,	/* Breakpoint inst. - regs valid */
+	KDB_REASON_DEBUG,	/* Debug Fault - regs valid */
+	KDB_REASON_OOPS,	/* Kernel Oops - regs valid */
+	KDB_REASON_SWITCH,	/* CPU switch - regs valid*/
+	KDB_REASON_KEYBOARD,	/* Keyboard entry - regs valid */
+	KDB_REASON_NMI,		/* Non-maskable interrupt; regs valid */
+	KDB_REASON_RECURSE,	/* Recursive entry to kdb;
+				 * regs probably valid */
+	KDB_REASON_SSTEP,	/* Single Step trap. - regs valid */
+} kdb_reason_t;
+
+extern int kdb_printf(const char *, ...)
+	    __attribute__ ((format (printf, 1, 2)));
+typedef int (*kdb_printf_t)(const char *, ...)
+	     __attribute__ ((format (printf, 1, 2)));
+
+extern void kdb_init(int level);
+
+/* Access to kdb specific polling devices */
+typedef int (*get_char_func)(void);
+extern get_char_func kdb_poll_funcs[];
+extern int kdb_get_kbd_char(void);
+
+static inline
+int kdb_process_cpu(const struct task_struct *p)
+{
+	unsigned int cpu = task_thread_info(p)->cpu;
+	if (cpu > num_possible_cpus())
+		cpu = 0;
+	return cpu;
+}
+
+/* kdb access to register set for stack dumping */
+extern struct pt_regs *kdb_current_regs;
+
+#else /* ! CONFIG_KGDB_KDB */
+#define kdb_printf(...)
+#define kdb_init(x)
+#endif	/* CONFIG_KGDB_KDB */
+enum {
+	KDB_NOT_INITIALIZED,
+	KDB_INIT_EARLY,
+	KDB_INIT_FULL,
+};
+#endif	/* !_KDB_H */
diff --git a/kernel/debug/Makefile b/kernel/debug/Makefile
index fd4dc6e7782..a85edc33998 100644
--- a/kernel/debug/Makefile
+++ b/kernel/debug/Makefile
@@ -3,3 +3,4 @@
 #
 
 obj-$(CONFIG_KGDB) += debug_core.o gdbstub.o
+obj-$(CONFIG_KGDB_KDB) += kdb/
diff --git a/kernel/debug/kdb/.gitignore b/kernel/debug/kdb/.gitignore
new file mode 100644
index 00000000000..396d12eda9e
--- /dev/null
+++ b/kernel/debug/kdb/.gitignore
@@ -0,0 +1 @@
+gen-kdb_cmds.c
diff --git a/kernel/debug/kdb/Makefile b/kernel/debug/kdb/Makefile
new file mode 100644
index 00000000000..d1e925eddbc
--- /dev/null
+++ b/kernel/debug/kdb/Makefile
@@ -0,0 +1,24 @@
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (c) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
+# Copyright (c) 2009 Wind River Systems, Inc. All Rights Reserved.
+#
+
+CCVERSION	:= $(shell $(CC) -v 2>&1 | sed -ne '$$p')
+obj-y := kdb_io.o kdb_main.o kdb_support.o kdb_bt.o gen-kdb_cmds.o kdb_bp.o kdb_debugger.o
+
+clean-files := gen-kdb_cmds.c
+
+quiet_cmd_gen-kdb = GENKDB  $@
+      cmd_gen-kdb = $(AWK) 'BEGIN {print "\#include <linux/stddef.h>"; print "\#include <linux/init.h>"} \
+		/^\#/{next} \
+		/^[ \t]*$$/{next} \
+		{gsub(/"/, "\\\"", $$0); \
+		  print "static __initdata char kdb_cmd" cmds++ "[] = \"" $$0 "\\n\";"} \
+		END {print "extern char *kdb_cmds[]; char __initdata *kdb_cmds[] = {"; for (i = 0; i < cmds; ++i) {print "  kdb_cmd" i ","}; print("  NULL\n};");}' \
+		$(filter-out %/Makefile,$^) > $@#
+
+$(obj)/gen-kdb_cmds.c:	$(src)/kdb_cmds $(src)/Makefile
+	$(call cmd,gen-kdb)
diff --git a/kernel/debug/kdb/kdb_bp.c b/kernel/debug/kdb/kdb_bp.c
new file mode 100644
index 00000000000..75bd9b3ebbb
--- /dev/null
+++ b/kernel/debug/kdb/kdb_bp.c
@@ -0,0 +1,564 @@
+/*
+ * Kernel Debugger Architecture Independent Breakpoint Handler
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ */
+
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/kdb.h>
+#include <linux/kgdb.h>
+#include <linux/smp.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include "kdb_private.h"
+
+/*
+ * Table of kdb_breakpoints
+ */
+kdb_bp_t kdb_breakpoints[KDB_MAXBPT];
+
+static void kdb_setsinglestep(struct pt_regs *regs)
+{
+	KDB_STATE_SET(DOING_SS);
+}
+
+static char *kdb_rwtypes[] = {
+	"Instruction(i)",
+	"Instruction(Register)",
+	"Data Write",
+	"I/O",
+	"Data Access"
+};
+
+static char *kdb_bptype(kdb_bp_t *bp)
+{
+	if (bp->bp_type < 0 || bp->bp_type > 4)
+		return "";
+
+	return kdb_rwtypes[bp->bp_type];
+}
+
+static int kdb_parsebp(int argc, const char **argv, int *nextargp, kdb_bp_t *bp)
+{
+	int nextarg = *nextargp;
+	int diag;
+
+	bp->bph_length = 1;
+	if ((argc + 1) != nextarg) {
+		if (strnicmp(argv[nextarg], "datar", sizeof("datar")) == 0)
+			bp->bp_type = BP_ACCESS_WATCHPOINT;
+		else if (strnicmp(argv[nextarg], "dataw", sizeof("dataw")) == 0)
+			bp->bp_type = BP_WRITE_WATCHPOINT;
+		else if (strnicmp(argv[nextarg], "inst", sizeof("inst")) == 0)
+			bp->bp_type = BP_HARDWARE_BREAKPOINT;
+		else
+			return KDB_ARGCOUNT;
+
+		bp->bph_length = 1;
+
+		nextarg++;
+
+		if ((argc + 1) != nextarg) {
+			unsigned long len;
+
+			diag = kdbgetularg((char *)argv[nextarg],
+					   &len);
+			if (diag)
+				return diag;
+
+
+			if (len > 8)
+				return KDB_BADLENGTH;
+
+			bp->bph_length = len;
+			nextarg++;
+		}
+
+		if ((argc + 1) != nextarg)
+			return KDB_ARGCOUNT;
+	}
+
+	*nextargp = nextarg;
+	return 0;
+}
+
+static int _kdb_bp_remove(kdb_bp_t *bp)
+{
+	int ret = 1;
+	if (!bp->bp_installed)
+		return ret;
+	if (!bp->bp_type)
+		ret = dbg_remove_sw_break(bp->bp_addr);
+	else
+		ret = arch_kgdb_ops.remove_hw_breakpoint(bp->bp_addr,
+			 bp->bph_length,
+			 bp->bp_type);
+	if (ret == 0)
+		bp->bp_installed = 0;
+	return ret;
+}
+
+static void kdb_handle_bp(struct pt_regs *regs, kdb_bp_t *bp)
+{
+	if (KDB_DEBUG(BP))
+		kdb_printf("regs->ip = 0x%lx\n", instruction_pointer(regs));
+
+	/*
+	 * Setup single step
+	 */
+	kdb_setsinglestep(regs);
+
+	/*
+	 * Reset delay attribute
+	 */
+	bp->bp_delay = 0;
+	bp->bp_delayed = 1;
+}
+
+static int _kdb_bp_install(struct pt_regs *regs, kdb_bp_t *bp)
+{
+	int ret;
+	/*
+	 * Install the breakpoint, if it is not already installed.
+	 */
+
+	if (KDB_DEBUG(BP))
+		kdb_printf("%s: bp_installed %d\n",
+			   __func__, bp->bp_installed);
+	if (!KDB_STATE(SSBPT))
+		bp->bp_delay = 0;
+	if (bp->bp_installed)
+		return 1;
+	if (bp->bp_delay || (bp->bp_delayed && KDB_STATE(DOING_SS))) {
+		if (KDB_DEBUG(BP))
+			kdb_printf("%s: delayed bp\n", __func__);
+		kdb_handle_bp(regs, bp);
+		return 0;
+	}
+	if (!bp->bp_type)
+		ret = dbg_set_sw_break(bp->bp_addr);
+	else
+		ret = arch_kgdb_ops.set_hw_breakpoint(bp->bp_addr,
+			 bp->bph_length,
+			 bp->bp_type);
+	if (ret == 0) {
+		bp->bp_installed = 1;
+	} else {
+		kdb_printf("%s: failed to set breakpoint at 0x%lx\n",
+			   __func__, bp->bp_addr);
+		return 1;
+	}
+	return 0;
+}
+
+/*
+ * kdb_bp_install
+ *
+ *	Install kdb_breakpoints prior to returning from the
+ *	kernel debugger.  This allows the kdb_breakpoints to be set
+ *	upon functions that are used internally by kdb, such as
+ *	printk().  This function is only called once per kdb session.
+ */
+void kdb_bp_install(struct pt_regs *regs)
+{
+	int i;
+
+	for (i = 0; i < KDB_MAXBPT; i++) {
+		kdb_bp_t *bp = &kdb_breakpoints[i];
+
+		if (KDB_DEBUG(BP)) {
+			kdb_printf("%s: bp %d bp_enabled %d\n",
+				   __func__, i, bp->bp_enabled);
+		}
+		if (bp->bp_enabled)
+			_kdb_bp_install(regs, bp);
+	}
+}
+
+/*
+ * kdb_bp_remove
+ *
+ *	Remove kdb_breakpoints upon entry to the kernel debugger.
+ *
+ * Parameters:
+ *	None.
+ * Outputs:
+ *	None.
+ * Returns:
+ *	None.
+ * Locking:
+ *	None.
+ * Remarks:
+ */
+void kdb_bp_remove(void)
+{
+	int i;
+
+	for (i = KDB_MAXBPT - 1; i >= 0; i--) {
+		kdb_bp_t *bp = &kdb_breakpoints[i];
+
+		if (KDB_DEBUG(BP)) {
+			kdb_printf("%s: bp %d bp_enabled %d\n",
+				   __func__, i, bp->bp_enabled);
+		}
+		if (bp->bp_enabled)
+			_kdb_bp_remove(bp);
+	}
+}
+
+
+/*
+ * kdb_printbp
+ *
+ *	Internal function to format and print a breakpoint entry.
+ *
+ * Parameters:
+ *	None.
+ * Outputs:
+ *	None.
+ * Returns:
+ *	None.
+ * Locking:
+ *	None.
+ * Remarks:
+ */
+
+static void kdb_printbp(kdb_bp_t *bp, int i)
+{
+	kdb_printf("%s ", kdb_bptype(bp));
+	kdb_printf("BP #%d at ", i);
+	kdb_symbol_print(bp->bp_addr, NULL, KDB_SP_DEFAULT);
+
+	if (bp->bp_enabled)
+		kdb_printf("\n    is enabled");
+	else
+		kdb_printf("\n    is disabled");
+
+	kdb_printf("\taddr at %016lx, hardtype=%d installed=%d\n",
+		   bp->bp_addr, bp->bp_type, bp->bp_installed);
+
+	kdb_printf("\n");
+}
+
+/*
+ * kdb_bp
+ *
+ *	Handle the bp commands.
+ *
+ *	[bp|bph] <addr-expression> [DATAR|DATAW]
+ *
+ * Parameters:
+ *	argc	Count of arguments in argv
+ *	argv	Space delimited command line arguments
+ * Outputs:
+ *	None.
+ * Returns:
+ *	Zero for success, a kdb diagnostic if failure.
+ * Locking:
+ *	None.
+ * Remarks:
+ *
+ *	bp	Set breakpoint on all cpus.  Only use hardware assist if need.
+ *	bph	Set breakpoint on all cpus.  Force hardware register
+ */
+
+static int kdb_bp(int argc, const char **argv)
+{
+	int i, bpno;
+	kdb_bp_t *bp, *bp_check;
+	int diag;
+	int free;
+	char *symname = NULL;
+	long offset = 0ul;
+	int nextarg;
+	kdb_bp_t template = {0};
+
+	if (argc == 0) {
+		/*
+		 * Display breakpoint table
+		 */
+		for (bpno = 0, bp = kdb_breakpoints; bpno < KDB_MAXBPT;
+		     bpno++, bp++) {
+			if (bp->bp_free)
+				continue;
+			kdb_printbp(bp, bpno);
+		}
+
+		return 0;
+	}
+
+	nextarg = 1;
+	diag = kdbgetaddrarg(argc, argv, &nextarg, &template.bp_addr,
+			     &offset, &symname);
+	if (diag)
+		return diag;
+	if (!template.bp_addr)
+		return KDB_BADINT;
+
+	/*
+	 * Find an empty bp structure to allocate
+	 */
+	free = KDB_MAXBPT;
+	for (bpno = 0, bp = kdb_breakpoints; bpno < KDB_MAXBPT; bpno++, bp++) {
+		if (bp->bp_free)
+			break;
+	}
+
+	if (bpno == KDB_MAXBPT)
+		return KDB_TOOMANYBPT;
+
+	if (strcmp(argv[0], "bph") == 0) {
+		template.bp_type = BP_HARDWARE_BREAKPOINT;
+		diag = kdb_parsebp(argc, argv, &nextarg, &template);
+		if (diag)
+			return diag;
+	} else {
+		template.bp_type = BP_BREAKPOINT;
+	}
+
+	/*
+	 * Check for clashing breakpoints.
+	 *
+	 * Note, in this design we can't have hardware breakpoints
+	 * enabled for both read and write on the same address.
+	 */
+	for (i = 0, bp_check = kdb_breakpoints; i < KDB_MAXBPT;
+	     i++, bp_check++) {
+		if (!bp_check->bp_free &&
+		    bp_check->bp_addr == template.bp_addr) {
+			kdb_printf("You already have a breakpoint at "
+				   kdb_bfd_vma_fmt0 "\n", template.bp_addr);
+			return KDB_DUPBPT;
+		}
+	}
+
+	template.bp_enabled = 1;
+
+	/*
+	 * Actually allocate the breakpoint found earlier
+	 */
+	*bp = template;
+	bp->bp_free = 0;
+
+	kdb_printbp(bp, bpno);
+
+	return 0;
+}
+
+/*
+ * kdb_bc
+ *
+ *	Handles the 'bc', 'be', and 'bd' commands
+ *
+ *	[bd|bc|be] <breakpoint-number>
+ *	[bd|bc|be] *
+ *
+ * Parameters:
+ *	argc	Count of arguments in argv
+ *	argv	Space delimited command line arguments
+ * Outputs:
+ *	None.
+ * Returns:
+ *	Zero for success, a kdb diagnostic for failure
+ * Locking:
+ *	None.
+ * Remarks:
+ */
+static int kdb_bc(int argc, const char **argv)
+{
+	unsigned long addr;
+	kdb_bp_t *bp = NULL;
+	int lowbp = KDB_MAXBPT;
+	int highbp = 0;
+	int done = 0;
+	int i;
+	int diag = 0;
+
+	int cmd;			/* KDBCMD_B? */
+#define KDBCMD_BC	0
+#define KDBCMD_BE	1
+#define KDBCMD_BD	2
+
+	if (strcmp(argv[0], "be") == 0)
+		cmd = KDBCMD_BE;
+	else if (strcmp(argv[0], "bd") == 0)
+		cmd = KDBCMD_BD;
+	else
+		cmd = KDBCMD_BC;
+
+	if (argc != 1)
+		return KDB_ARGCOUNT;
+
+	if (strcmp(argv[1], "*") == 0) {
+		lowbp = 0;
+		highbp = KDB_MAXBPT;
+	} else {
+		diag = kdbgetularg(argv[1], &addr);
+		if (diag)
+			return diag;
+
+		/*
+		 * For addresses less than the maximum breakpoint number,
+		 * assume that the breakpoint number is desired.
+		 */
+		if (addr < KDB_MAXBPT) {
+			bp = &kdb_breakpoints[addr];
+			lowbp = highbp = addr;
+			highbp++;
+		} else {
+			for (i = 0, bp = kdb_breakpoints; i < KDB_MAXBPT;
+			    i++, bp++) {
+				if (bp->bp_addr == addr) {
+					lowbp = highbp = i;
+					highbp++;
+					break;
+				}
+			}
+		}
+	}
+
+	/*
+	 * Now operate on the set of breakpoints matching the input
+	 * criteria (either '*' for all, or an individual breakpoint).
+	 */
+	for (bp = &kdb_breakpoints[lowbp], i = lowbp;
+	    i < highbp;
+	    i++, bp++) {
+		if (bp->bp_free)
+			continue;
+
+		done++;
+
+		switch (cmd) {
+		case KDBCMD_BC:
+			bp->bp_enabled = 0;
+
+			kdb_printf("Breakpoint %d at "
+				   kdb_bfd_vma_fmt " cleared\n",
+				   i, bp->bp_addr);
+
+			bp->bp_addr = 0;
+			bp->bp_free = 1;
+
+			break;
+		case KDBCMD_BE:
+			bp->bp_enabled = 1;
+
+			kdb_printf("Breakpoint %d at "
+				   kdb_bfd_vma_fmt " enabled",
+				   i, bp->bp_addr);
+
+			kdb_printf("\n");
+			break;
+		case KDBCMD_BD:
+			if (!bp->bp_enabled)
+				break;
+
+			bp->bp_enabled = 0;
+
+			kdb_printf("Breakpoint %d at "
+				   kdb_bfd_vma_fmt " disabled\n",
+				   i, bp->bp_addr);
+
+			break;
+		}
+		if (bp->bp_delay && (cmd == KDBCMD_BC || cmd == KDBCMD_BD)) {
+			bp->bp_delay = 0;
+			KDB_STATE_CLEAR(SSBPT);
+		}
+	}
+
+	return (!done) ? KDB_BPTNOTFOUND : 0;
+}
+
+/*
+ * kdb_ss
+ *
+ *	Process the 'ss' (Single Step) and 'ssb' (Single Step to Branch)
+ *	commands.
+ *
+ *	ss
+ *	ssb
+ *
+ * Parameters:
+ *	argc	Argument count
+ *	argv	Argument vector
+ * Outputs:
+ *	None.
+ * Returns:
+ *	KDB_CMD_SS[B] for success, a kdb error if failure.
+ * Locking:
+ *	None.
+ * Remarks:
+ *
+ *	Set the arch specific option to trigger a debug trap after the next
+ *	instruction.
+ *
+ *	For 'ssb', set the trace flag in the debug trap handler
+ *	after printing the current insn and return directly without
+ *	invoking the kdb command processor, until a branch instruction
+ *	is encountered.
+ */
+
+static int kdb_ss(int argc, const char **argv)
+{
+	int ssb = 0;
+
+	ssb = (strcmp(argv[0], "ssb") == 0);
+	if (argc != 0)
+		return KDB_ARGCOUNT;
+	/*
+	 * Set trace flag and go.
+	 */
+	KDB_STATE_SET(DOING_SS);
+	if (ssb) {
+		KDB_STATE_SET(DOING_SSB);
+		return KDB_CMD_SSB;
+	}
+	return KDB_CMD_SS;
+}
+
+/* Initialize the breakpoint table and register	breakpoint commands. */
+
+void __init kdb_initbptab(void)
+{
+	int i;
+	kdb_bp_t *bp;
+
+	/*
+	 * First time initialization.
+	 */
+	memset(&kdb_breakpoints, '\0', sizeof(kdb_breakpoints));
+
+	for (i = 0, bp = kdb_breakpoints; i < KDB_MAXBPT; i++, bp++)
+		bp->bp_free = 1;
+
+	kdb_register_repeat("bp", kdb_bp, "[<vaddr>]",
+		"Set/Display breakpoints", 0, KDB_REPEAT_NO_ARGS);
+	kdb_register_repeat("bl", kdb_bp, "[<vaddr>]",
+		"Display breakpoints", 0, KDB_REPEAT_NO_ARGS);
+	if (arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT)
+		kdb_register_repeat("bph", kdb_bp, "[<vaddr>]",
+		"[datar [length]|dataw [length]]   Set hw brk", 0, KDB_REPEAT_NO_ARGS);
+	kdb_register_repeat("bc", kdb_bc, "<bpnum>",
+		"Clear Breakpoint", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("be", kdb_bc, "<bpnum>",
+		"Enable Breakpoint", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("bd", kdb_bc, "<bpnum>",
+		"Disable Breakpoint", 0, KDB_REPEAT_NONE);
+
+	kdb_register_repeat("ss", kdb_ss, "",
+		"Single Step", 1, KDB_REPEAT_NO_ARGS);
+	kdb_register_repeat("ssb", kdb_ss, "",
+		"Single step to branch/call", 0, KDB_REPEAT_NO_ARGS);
+	/*
+	 * Architecture dependent initialization.
+	 */
+}
diff --git a/kernel/debug/kdb/kdb_bt.c b/kernel/debug/kdb/kdb_bt.c
new file mode 100644
index 00000000000..483fa4e7aaa
--- /dev/null
+++ b/kernel/debug/kdb/kdb_bt.c
@@ -0,0 +1,208 @@
+/*
+ * Kernel Debugger Architecture Independent Stack Traceback
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ */
+
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/kdb.h>
+#include <linux/nmi.h>
+#include <asm/system.h>
+#include "kdb_private.h"
+
+
+static void kdb_show_stack(struct task_struct *p, void *addr)
+{
+	int old_lvl = console_loglevel;
+	console_loglevel = 15;
+	kdb_set_current_task(p);
+	if (addr) {
+		show_stack((struct task_struct *)p, addr);
+	} else if (kdb_current_regs) {
+#ifdef CONFIG_X86
+		show_stack(p, &kdb_current_regs->sp);
+#else
+		show_stack(p, NULL);
+#endif
+	} else {
+		show_stack(p, NULL);
+	}
+	console_loglevel = old_lvl;
+}
+
+/*
+ * kdb_bt
+ *
+ *	This function implements the 'bt' command.  Print a stack
+ *	traceback.
+ *
+ *	bt [<address-expression>]	(addr-exp is for alternate stacks)
+ *	btp <pid>			Kernel stack for <pid>
+ *	btt <address-expression>	Kernel stack for task structure at
+ *					<address-expression>
+ *	bta [DRSTCZEUIMA]		All useful processes, optionally
+ *					filtered by state
+ *	btc [<cpu>]			The current process on one cpu,
+ *					default is all cpus
+ *
+ *	bt <address-expression> refers to a address on the stack, that location
+ *	is assumed to contain a return address.
+ *
+ *	btt <address-expression> refers to the address of a struct task.
+ *
+ * Inputs:
+ *	argc	argument count
+ *	argv	argument vector
+ * Outputs:
+ *	None.
+ * Returns:
+ *	zero for success, a kdb diagnostic if error
+ * Locking:
+ *	none.
+ * Remarks:
+ *	Backtrack works best when the code uses frame pointers.  But even
+ *	without frame pointers we should get a reasonable trace.
+ *
+ *	mds comes in handy when examining the stack to do a manual traceback or
+ *	to get a starting point for bt <address-expression>.
+ */
+
+static int
+kdb_bt1(struct task_struct *p, unsigned long mask,
+	int argcount, int btaprompt)
+{
+	char buffer[2];
+	if (kdb_getarea(buffer[0], (unsigned long)p) ||
+	    kdb_getarea(buffer[0], (unsigned long)(p+1)-1))
+		return KDB_BADADDR;
+	if (!kdb_task_state(p, mask))
+		return 0;
+	kdb_printf("Stack traceback for pid %d\n", p->pid);
+	kdb_ps1(p);
+	kdb_show_stack(p, NULL);
+	if (btaprompt) {
+		kdb_getstr(buffer, sizeof(buffer),
+			   "Enter <q> to end, <cr> to continue:");
+		if (buffer[0] == 'q') {
+			kdb_printf("\n");
+			return 1;
+		}
+	}
+	touch_nmi_watchdog();
+	return 0;
+}
+
+int
+kdb_bt(int argc, const char **argv)
+{
+	int diag;
+	int argcount = 5;
+	int btaprompt = 1;
+	int nextarg;
+	unsigned long addr;
+	long offset;
+
+	kdbgetintenv("BTARGS", &argcount);	/* Arguments to print */
+	kdbgetintenv("BTAPROMPT", &btaprompt);	/* Prompt after each
+						 * proc in bta */
+
+	if (strcmp(argv[0], "bta") == 0) {
+		struct task_struct *g, *p;
+		unsigned long cpu;
+		unsigned long mask = kdb_task_state_string(argc ? argv[1] :
+							   NULL);
+		if (argc == 0)
+			kdb_ps_suppressed();
+		/* Run the active tasks first */
+		for_each_online_cpu(cpu) {
+			p = kdb_curr_task(cpu);
+			if (kdb_bt1(p, mask, argcount, btaprompt))
+				return 0;
+		}
+		/* Now the inactive tasks */
+		kdb_do_each_thread(g, p) {
+			if (task_curr(p))
+				continue;
+			if (kdb_bt1(p, mask, argcount, btaprompt))
+				return 0;
+		} kdb_while_each_thread(g, p);
+	} else if (strcmp(argv[0], "btp") == 0) {
+		struct task_struct *p;
+		unsigned long pid;
+		if (argc != 1)
+			return KDB_ARGCOUNT;
+		diag = kdbgetularg((char *)argv[1], &pid);
+		if (diag)
+			return diag;
+		p = find_task_by_pid_ns(pid, &init_pid_ns);
+		if (p) {
+			kdb_set_current_task(p);
+			return kdb_bt1(p, ~0UL, argcount, 0);
+		}
+		kdb_printf("No process with pid == %ld found\n", pid);
+		return 0;
+	} else if (strcmp(argv[0], "btt") == 0) {
+		if (argc != 1)
+			return KDB_ARGCOUNT;
+		diag = kdbgetularg((char *)argv[1], &addr);
+		if (diag)
+			return diag;
+		kdb_set_current_task((struct task_struct *)addr);
+		return kdb_bt1((struct task_struct *)addr, ~0UL, argcount, 0);
+	} else if (strcmp(argv[0], "btc") == 0) {
+		unsigned long cpu = ~0;
+		struct task_struct *save_current_task = kdb_current_task;
+		char buf[80];
+		if (argc > 1)
+			return KDB_ARGCOUNT;
+		if (argc == 1) {
+			diag = kdbgetularg((char *)argv[1], &cpu);
+			if (diag)
+				return diag;
+		}
+		/* Recursive use of kdb_parse, do not use argv after
+		 * this point */
+		argv = NULL;
+		if (cpu != ~0) {
+			if (cpu >= num_possible_cpus() || !cpu_online(cpu)) {
+				kdb_printf("no process for cpu %ld\n", cpu);
+				return 0;
+			}
+			sprintf(buf, "btt 0x%p\n", KDB_TSK(cpu));
+			kdb_parse(buf);
+			return 0;
+		}
+		kdb_printf("btc: cpu status: ");
+		kdb_parse("cpu\n");
+		for_each_online_cpu(cpu) {
+			sprintf(buf, "btt 0x%p\n", KDB_TSK(cpu));
+			kdb_parse(buf);
+			touch_nmi_watchdog();
+		}
+		kdb_set_current_task(save_current_task);
+		return 0;
+	} else {
+		if (argc) {
+			nextarg = 1;
+			diag = kdbgetaddrarg(argc, argv, &nextarg, &addr,
+					     &offset, NULL);
+			if (diag)
+				return diag;
+			kdb_show_stack(kdb_current_task, (void *)addr);
+			return 0;
+		} else {
+			return kdb_bt1(kdb_current_task, ~0UL, argcount, 0);
+		}
+	}
+
+	/* NOTREACHED */
+	return 0;
+}
diff --git a/kernel/debug/kdb/kdb_cmds b/kernel/debug/kdb/kdb_cmds
new file mode 100644
index 00000000000..56c88e4db30
--- /dev/null
+++ b/kernel/debug/kdb/kdb_cmds
@@ -0,0 +1,35 @@
+# Initial commands for kdb, alter to suit your needs.
+# These commands are executed in kdb_init() context, no SMP, no
+# processes.  Commands that require process data (including stack or
+# registers) are not reliable this early.  set and bp commands should
+# be safe.  Global breakpoint commands affect each cpu as it is booted.
+
+# Standard debugging information for first level support, just type archkdb
+# or archkdbcpu or archkdbshort at the kdb prompt.
+
+defcmd dumpcommon "" "Common kdb debugging"
+  set BTAPROMPT 0
+  set LINES 10000
+  -summary
+  -cpu
+  -ps
+  -dmesg 600
+  -bt
+endefcmd
+
+defcmd dumpall "" "First line debugging"
+  set BTSYMARG 1
+  set BTARGS 9
+  pid R
+  -dumpcommon
+  -bta
+endefcmd
+
+defcmd dumpcpu "" "Same as dumpall but only tasks on cpus"
+  set BTSYMARG 1
+  set BTARGS 9
+  pid R
+  -dumpcommon
+  -btc
+endefcmd
+
diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c
new file mode 100644
index 00000000000..f024c0c4b8c
--- /dev/null
+++ b/kernel/debug/kdb/kdb_debugger.c
@@ -0,0 +1,159 @@
+/*
+ * Created by: Jason Wessel <jason.wessel@windriver.com>
+ *
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kgdb.h>
+#include <linux/kdb.h>
+#include <linux/kdebug.h>
+#include "kdb_private.h"
+#include "../debug_core.h"
+
+/*
+ * KDB interface to KGDB internals
+ */
+get_char_func kdb_poll_funcs[] = {
+	dbg_io_get_char,
+	NULL,
+};
+
+int kdb_stub(struct kgdb_state *ks)
+{
+	int error = 0;
+	kdb_bp_t *bp;
+	unsigned long addr = kgdb_arch_pc(ks->ex_vector, ks->linux_regs);
+	kdb_reason_t reason = KDB_REASON_OOPS;
+	kdb_dbtrap_t db_result = KDB_DB_NOBPT;
+	int i;
+
+	if (KDB_STATE(REENTRY)) {
+		reason = KDB_REASON_SWITCH;
+		KDB_STATE_CLEAR(REENTRY);
+		addr = instruction_pointer(ks->linux_regs);
+	}
+	ks->pass_exception = 0;
+	if (atomic_read(&kgdb_setting_breakpoint))
+		reason = KDB_REASON_KEYBOARD;
+
+	for (i = 0, bp = kdb_breakpoints; i < KDB_MAXBPT; i++, bp++) {
+		if ((bp->bp_enabled) && (bp->bp_addr == addr)) {
+			reason = KDB_REASON_BREAK;
+			db_result = KDB_DB_BPT;
+			if (addr != instruction_pointer(ks->linux_regs))
+				kgdb_arch_set_pc(ks->linux_regs, addr);
+			break;
+		}
+	}
+	if (reason == KDB_REASON_BREAK || reason == KDB_REASON_SWITCH) {
+		for (i = 0, bp = kdb_breakpoints; i < KDB_MAXBPT; i++, bp++) {
+			if (bp->bp_free)
+				continue;
+			if (bp->bp_addr == addr) {
+				bp->bp_delay = 1;
+				bp->bp_delayed = 1;
+	/*
+	 * SSBPT is set when the kernel debugger must single step a
+	 * task in order to re-establish an instruction breakpoint
+	 * which uses the instruction replacement mechanism.  It is
+	 * cleared by any action that removes the need to single-step
+	 * the breakpoint.
+	 */
+				reason = KDB_REASON_BREAK;
+				db_result = KDB_DB_BPT;
+				KDB_STATE_SET(SSBPT);
+				break;
+			}
+		}
+	}
+
+	if (reason != KDB_REASON_BREAK && ks->ex_vector == 0 &&
+		ks->signo == SIGTRAP) {
+		reason = KDB_REASON_SSTEP;
+		db_result = KDB_DB_BPT;
+	}
+	/* Set initial kdb state variables */
+	KDB_STATE_CLEAR(KGDB_TRANS);
+	kdb_initial_cpu = ks->cpu;
+	kdb_current_task = kgdb_info[ks->cpu].task;
+	kdb_current_regs = kgdb_info[ks->cpu].debuggerinfo;
+	/* Remove any breakpoints as needed by kdb and clear single step */
+	kdb_bp_remove();
+	KDB_STATE_CLEAR(DOING_SS);
+	KDB_STATE_CLEAR(DOING_SSB);
+	/* zero out any offline cpu data */
+	for_each_present_cpu(i) {
+		if (!cpu_online(i)) {
+			kgdb_info[i].debuggerinfo = NULL;
+			kgdb_info[i].task = NULL;
+		}
+	}
+	if (ks->err_code == DIE_OOPS || reason == KDB_REASON_OOPS) {
+		ks->pass_exception = 1;
+		KDB_FLAG_SET(CATASTROPHIC);
+	}
+	kdb_initial_cpu = ks->cpu;
+	if (KDB_STATE(SSBPT) && reason == KDB_REASON_SSTEP) {
+		KDB_STATE_CLEAR(SSBPT);
+		KDB_STATE_CLEAR(DOING_SS);
+	} else {
+		/* Start kdb main loop */
+		error = kdb_main_loop(KDB_REASON_ENTER, reason,
+				      ks->err_code, db_result, ks->linux_regs);
+	}
+	/*
+	 * Upon exit from the kdb main loop setup break points and restart
+	 * the system based on the requested continue state
+	 */
+	kdb_initial_cpu = -1;
+	kdb_current_task = NULL;
+	kdb_current_regs = NULL;
+	kdbnearsym_cleanup();
+	if (error == KDB_CMD_KGDB) {
+		if (KDB_STATE(DOING_KGDB) || KDB_STATE(DOING_KGDB2)) {
+	/*
+	 * This inteface glue which allows kdb to transition in into
+	 * the gdb stub.  In order to do this the '?' or '' gdb serial
+	 * packet response is processed here.  And then control is
+	 * passed to the gdbstub.
+	 */
+			if (KDB_STATE(DOING_KGDB))
+				gdbstub_state(ks, "?");
+			else
+				gdbstub_state(ks, "");
+			KDB_STATE_CLEAR(DOING_KGDB);
+			KDB_STATE_CLEAR(DOING_KGDB2);
+		}
+		return DBG_PASS_EVENT;
+	}
+	kdb_bp_install(ks->linux_regs);
+	dbg_activate_sw_breakpoints();
+	/* Set the exit state to a single step or a continue */
+	if (KDB_STATE(DOING_SS))
+		gdbstub_state(ks, "s");
+	else
+		gdbstub_state(ks, "c");
+
+	KDB_FLAG_CLEAR(CATASTROPHIC);
+
+	/* Invoke arch specific exception handling prior to system resume */
+	kgdb_info[ks->cpu].ret_state = gdbstub_state(ks, "e");
+	if (ks->pass_exception)
+		kgdb_info[ks->cpu].ret_state = 1;
+	if (error == KDB_CMD_CPU) {
+		KDB_STATE_SET(REENTRY);
+		/*
+		 * Force clear the single step bit because kdb emulates this
+		 * differently vs the gdbstub
+		 */
+		kgdb_single_step = 0;
+		dbg_deactivate_sw_breakpoints();
+		return DBG_SWITCH_CPU_EVENT;
+	}
+	return kgdb_info[ks->cpu].ret_state;
+}
+
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
new file mode 100644
index 00000000000..9e3cec7a925
--- /dev/null
+++ b/kernel/debug/kdb/kdb_io.c
@@ -0,0 +1,789 @@
+/*
+ * Kernel Debugger Architecture Independent Console I/O handler
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1999-2006 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/ctype.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/kdev_t.h>
+#include <linux/console.h>
+#include <linux/string.h>
+#include <linux/sched.h>
+#include <linux/smp.h>
+#include <linux/nmi.h>
+#include <linux/delay.h>
+#include <linux/kdb.h>
+#include <linux/kallsyms.h>
+#include "kdb_private.h"
+
+#define CMD_BUFLEN 256
+char kdb_prompt_str[CMD_BUFLEN];
+
+
+static void kgdb_transition_check(char *buffer)
+{
+	int slen = strlen(buffer);
+	if (strncmp(buffer, "$?#3f", slen) != 0 &&
+	    strncmp(buffer, "$qSupported#37", slen) != 0 &&
+	    strncmp(buffer, "+$qSupported#37", slen) != 0) {
+		KDB_STATE_SET(KGDB_TRANS);
+		kdb_printf("%s", buffer);
+	}
+}
+
+static int kdb_read_get_key(char *buffer, size_t bufsize)
+{
+#define ESCAPE_UDELAY 1000
+#define ESCAPE_DELAY (2*1000000/ESCAPE_UDELAY) /* 2 seconds worth of udelays */
+	char escape_data[5];	/* longest vt100 escape sequence is 4 bytes */
+	char *ped = escape_data;
+	int escape_delay = 0;
+	get_char_func *f, *f_escape = NULL;
+	int key;
+
+	for (f = &kdb_poll_funcs[0]; ; ++f) {
+		if (*f == NULL) {
+			/* Reset NMI watchdog once per poll loop */
+			touch_nmi_watchdog();
+			f = &kdb_poll_funcs[0];
+		}
+		if (escape_delay == 2) {
+			*ped = '\0';
+			ped = escape_data;
+			--escape_delay;
+		}
+		if (escape_delay == 1) {
+			key = *ped++;
+			if (!*ped)
+				--escape_delay;
+			break;
+		}
+		key = (*f)();
+		if (key == -1) {
+			if (escape_delay) {
+				udelay(ESCAPE_UDELAY);
+				--escape_delay;
+			}
+			continue;
+		}
+		if (bufsize <= 2) {
+			if (key == '\r')
+				key = '\n';
+			*buffer++ = key;
+			*buffer = '\0';
+			return -1;
+		}
+		if (escape_delay == 0 && key == '\e') {
+			escape_delay = ESCAPE_DELAY;
+			ped = escape_data;
+			f_escape = f;
+		}
+		if (escape_delay) {
+			*ped++ = key;
+			if (f_escape != f) {
+				escape_delay = 2;
+				continue;
+			}
+			if (ped - escape_data == 1) {
+				/* \e */
+				continue;
+			} else if (ped - escape_data == 2) {
+				/* \e<something> */
+				if (key != '[')
+					escape_delay = 2;
+				continue;
+			} else if (ped - escape_data == 3) {
+				/* \e[<something> */
+				int mapkey = 0;
+				switch (key) {
+				case 'A': /* \e[A, up arrow */
+					mapkey = 16;
+					break;
+				case 'B': /* \e[B, down arrow */
+					mapkey = 14;
+					break;
+				case 'C': /* \e[C, right arrow */
+					mapkey = 6;
+					break;
+				case 'D': /* \e[D, left arrow */
+					mapkey = 2;
+					break;
+				case '1': /* dropthrough */
+				case '3': /* dropthrough */
+				/* \e[<1,3,4>], may be home, del, end */
+				case '4':
+					mapkey = -1;
+					break;
+				}
+				if (mapkey != -1) {
+					if (mapkey > 0) {
+						escape_data[0] = mapkey;
+						escape_data[1] = '\0';
+					}
+					escape_delay = 2;
+				}
+				continue;
+			} else if (ped - escape_data == 4) {
+				/* \e[<1,3,4><something> */
+				int mapkey = 0;
+				if (key == '~') {
+					switch (escape_data[2]) {
+					case '1': /* \e[1~, home */
+						mapkey = 1;
+						break;
+					case '3': /* \e[3~, del */
+						mapkey = 4;
+						break;
+					case '4': /* \e[4~, end */
+						mapkey = 5;
+						break;
+					}
+				}
+				if (mapkey > 0) {
+					escape_data[0] = mapkey;
+					escape_data[1] = '\0';
+				}
+				escape_delay = 2;
+				continue;
+			}
+		}
+		break;	/* A key to process */
+	}
+	return key;
+}
+
+/*
+ * kdb_read
+ *
+ *	This function reads a string of characters, terminated by
+ *	a newline, or by reaching the end of the supplied buffer,
+ *	from the current kernel debugger console device.
+ * Parameters:
+ *	buffer	- Address of character buffer to receive input characters.
+ *	bufsize - size, in bytes, of the character buffer
+ * Returns:
+ *	Returns a pointer to the buffer containing the received
+ *	character string.  This string will be terminated by a
+ *	newline character.
+ * Locking:
+ *	No locks are required to be held upon entry to this
+ *	function.  It is not reentrant - it relies on the fact
+ *	that while kdb is running on only one "master debug" cpu.
+ * Remarks:
+ *
+ * The buffer size must be >= 2.  A buffer size of 2 means that the caller only
+ * wants a single key.
+ *
+ * An escape key could be the start of a vt100 control sequence such as \e[D
+ * (left arrow) or it could be a character in its own right.  The standard
+ * method for detecting the difference is to wait for 2 seconds to see if there
+ * are any other characters.  kdb is complicated by the lack of a timer service
+ * (interrupts are off), by multiple input sources and by the need to sometimes
+ * return after just one key.  Escape sequence processing has to be done as
+ * states in the polling loop.
+ */
+
+static char *kdb_read(char *buffer, size_t bufsize)
+{
+	char *cp = buffer;
+	char *bufend = buffer+bufsize-2;	/* Reserve space for newline
+						 * and null byte */
+	char *lastchar;
+	char *p_tmp;
+	char tmp;
+	static char tmpbuffer[CMD_BUFLEN];
+	int len = strlen(buffer);
+	int len_tmp;
+	int tab = 0;
+	int count;
+	int i;
+	int diag, dtab_count;
+	int key;
+
+
+	diag = kdbgetintenv("DTABCOUNT", &dtab_count);
+	if (diag)
+		dtab_count = 30;
+
+	if (len > 0) {
+		cp += len;
+		if (*(buffer+len-1) == '\n')
+			cp--;
+	}
+
+	lastchar = cp;
+	*cp = '\0';
+	kdb_printf("%s", buffer);
+poll_again:
+	key = kdb_read_get_key(buffer, bufsize);
+	if (key == -1)
+		return buffer;
+	if (key != 9)
+		tab = 0;
+	switch (key) {
+	case 8: /* backspace */
+		if (cp > buffer) {
+			if (cp < lastchar) {
+				memcpy(tmpbuffer, cp, lastchar - cp);
+				memcpy(cp-1, tmpbuffer, lastchar - cp);
+			}
+			*(--lastchar) = '\0';
+			--cp;
+			kdb_printf("\b%s \r", cp);
+			tmp = *cp;
+			*cp = '\0';
+			kdb_printf(kdb_prompt_str);
+			kdb_printf("%s", buffer);
+			*cp = tmp;
+		}
+		break;
+	case 13: /* enter */
+		*lastchar++ = '\n';
+		*lastchar++ = '\0';
+		kdb_printf("\n");
+		return buffer;
+	case 4: /* Del */
+		if (cp < lastchar) {
+			memcpy(tmpbuffer, cp+1, lastchar - cp - 1);
+			memcpy(cp, tmpbuffer, lastchar - cp - 1);
+			*(--lastchar) = '\0';
+			kdb_printf("%s \r", cp);
+			tmp = *cp;
+			*cp = '\0';
+			kdb_printf(kdb_prompt_str);
+			kdb_printf("%s", buffer);
+			*cp = tmp;
+		}
+		break;
+	case 1: /* Home */
+		if (cp > buffer) {
+			kdb_printf("\r");
+			kdb_printf(kdb_prompt_str);
+			cp = buffer;
+		}
+		break;
+	case 5: /* End */
+		if (cp < lastchar) {
+			kdb_printf("%s", cp);
+			cp = lastchar;
+		}
+		break;
+	case 2: /* Left */
+		if (cp > buffer) {
+			kdb_printf("\b");
+			--cp;
+		}
+		break;
+	case 14: /* Down */
+		memset(tmpbuffer, ' ',
+		       strlen(kdb_prompt_str) + (lastchar-buffer));
+		*(tmpbuffer+strlen(kdb_prompt_str) +
+		  (lastchar-buffer)) = '\0';
+		kdb_printf("\r%s\r", tmpbuffer);
+		*lastchar = (char)key;
+		*(lastchar+1) = '\0';
+		return lastchar;
+	case 6: /* Right */
+		if (cp < lastchar) {
+			kdb_printf("%c", *cp);
+			++cp;
+		}
+		break;
+	case 16: /* Up */
+		memset(tmpbuffer, ' ',
+		       strlen(kdb_prompt_str) + (lastchar-buffer));
+		*(tmpbuffer+strlen(kdb_prompt_str) +
+		  (lastchar-buffer)) = '\0';
+		kdb_printf("\r%s\r", tmpbuffer);
+		*lastchar = (char)key;
+		*(lastchar+1) = '\0';
+		return lastchar;
+	case 9: /* Tab */
+		if (tab < 2)
+			++tab;
+		p_tmp = buffer;
+		while (*p_tmp == ' ')
+			p_tmp++;
+		if (p_tmp > cp)
+			break;
+		memcpy(tmpbuffer, p_tmp, cp-p_tmp);
+		*(tmpbuffer + (cp-p_tmp)) = '\0';
+		p_tmp = strrchr(tmpbuffer, ' ');
+		if (p_tmp)
+			++p_tmp;
+		else
+			p_tmp = tmpbuffer;
+		len = strlen(p_tmp);
+		count = kallsyms_symbol_complete(p_tmp,
+						 sizeof(tmpbuffer) -
+						 (p_tmp - tmpbuffer));
+		if (tab == 2 && count > 0) {
+			kdb_printf("\n%d symbols are found.", count);
+			if (count > dtab_count) {
+				count = dtab_count;
+				kdb_printf(" But only first %d symbols will"
+					   " be printed.\nYou can change the"
+					   " environment variable DTABCOUNT.",
+					   count);
+			}
+			kdb_printf("\n");
+			for (i = 0; i < count; i++) {
+				if (kallsyms_symbol_next(p_tmp, i) < 0)
+					break;
+				kdb_printf("%s ", p_tmp);
+				*(p_tmp + len) = '\0';
+			}
+			if (i >= dtab_count)
+				kdb_printf("...");
+			kdb_printf("\n");
+			kdb_printf(kdb_prompt_str);
+			kdb_printf("%s", buffer);
+		} else if (tab != 2 && count > 0) {
+			len_tmp = strlen(p_tmp);
+			strncpy(p_tmp+len_tmp, cp, lastchar-cp+1);
+			len_tmp = strlen(p_tmp);
+			strncpy(cp, p_tmp+len, len_tmp-len + 1);
+			len = len_tmp - len;
+			kdb_printf("%s", cp);
+			cp += len;
+			lastchar += len;
+		}
+		kdb_nextline = 1; /* reset output line number */
+		break;
+	default:
+		if (key >= 32 && lastchar < bufend) {
+			if (cp < lastchar) {
+				memcpy(tmpbuffer, cp, lastchar - cp);
+				memcpy(cp+1, tmpbuffer, lastchar - cp);
+				*++lastchar = '\0';
+				*cp = key;
+				kdb_printf("%s\r", cp);
+				++cp;
+				tmp = *cp;
+				*cp = '\0';
+				kdb_printf(kdb_prompt_str);
+				kdb_printf("%s", buffer);
+				*cp = tmp;
+			} else {
+				*++lastchar = '\0';
+				*cp++ = key;
+				/* The kgdb transition check will hide
+				 * printed characters if we think that
+				 * kgdb is connecting, until the check
+				 * fails */
+				if (!KDB_STATE(KGDB_TRANS))
+					kgdb_transition_check(buffer);
+				else
+					kdb_printf("%c", key);
+			}
+			/* Special escape to kgdb */
+			if (lastchar - buffer >= 5 &&
+			    strcmp(lastchar - 5, "$?#3f") == 0) {
+				strcpy(buffer, "kgdb");
+				KDB_STATE_SET(DOING_KGDB);
+				return buffer;
+			}
+			if (lastchar - buffer >= 14 &&
+			    strcmp(lastchar - 14, "$qSupported#37") == 0) {
+				strcpy(buffer, "kgdb");
+				KDB_STATE_SET(DOING_KGDB2);
+				return buffer;
+			}
+		}
+		break;
+	}
+	goto poll_again;
+}
+
+/*
+ * kdb_getstr
+ *
+ *	Print the prompt string and read a command from the
+ *	input device.
+ *
+ * Parameters:
+ *	buffer	Address of buffer to receive command
+ *	bufsize Size of buffer in bytes
+ *	prompt	Pointer to string to use as prompt string
+ * Returns:
+ *	Pointer to command buffer.
+ * Locking:
+ *	None.
+ * Remarks:
+ *	For SMP kernels, the processor number will be
+ *	substituted for %d, %x or %o in the prompt.
+ */
+
+char *kdb_getstr(char *buffer, size_t bufsize, char *prompt)
+{
+	if (prompt && kdb_prompt_str != prompt)
+		strncpy(kdb_prompt_str, prompt, CMD_BUFLEN);
+	kdb_printf(kdb_prompt_str);
+	kdb_nextline = 1;	/* Prompt and input resets line number */
+	return kdb_read(buffer, bufsize);
+}
+
+/*
+ * kdb_input_flush
+ *
+ *	Get rid of any buffered console input.
+ *
+ * Parameters:
+ *	none
+ * Returns:
+ *	nothing
+ * Locking:
+ *	none
+ * Remarks:
+ *	Call this function whenever you want to flush input.  If there is any
+ *	outstanding input, it ignores all characters until there has been no
+ *	data for approximately 1ms.
+ */
+
+static void kdb_input_flush(void)
+{
+	get_char_func *f;
+	int res;
+	int flush_delay = 1;
+	while (flush_delay) {
+		flush_delay--;
+empty:
+		touch_nmi_watchdog();
+		for (f = &kdb_poll_funcs[0]; *f; ++f) {
+			res = (*f)();
+			if (res != -1) {
+				flush_delay = 1;
+				goto empty;
+			}
+		}
+		if (flush_delay)
+			mdelay(1);
+	}
+}
+
+/*
+ * kdb_printf
+ *
+ *	Print a string to the output device(s).
+ *
+ * Parameters:
+ *	printf-like format and optional args.
+ * Returns:
+ *	0
+ * Locking:
+ *	None.
+ * Remarks:
+ *	use 'kdbcons->write()' to avoid polluting 'log_buf' with
+ *	kdb output.
+ *
+ *  If the user is doing a cmd args | grep srch
+ *  then kdb_grepping_flag is set.
+ *  In that case we need to accumulate full lines (ending in \n) before
+ *  searching for the pattern.
+ */
+
+static char kdb_buffer[256];	/* A bit too big to go on stack */
+static char *next_avail = kdb_buffer;
+static int  size_avail;
+static int  suspend_grep;
+
+/*
+ * search arg1 to see if it contains arg2
+ * (kdmain.c provides flags for ^pat and pat$)
+ *
+ * return 1 for found, 0 for not found
+ */
+static int kdb_search_string(char *searched, char *searchfor)
+{
+	char firstchar, *cp;
+	int len1, len2;
+
+	/* not counting the newline at the end of "searched" */
+	len1 = strlen(searched)-1;
+	len2 = strlen(searchfor);
+	if (len1 < len2)
+		return 0;
+	if (kdb_grep_leading && kdb_grep_trailing && len1 != len2)
+		return 0;
+	if (kdb_grep_leading) {
+		if (!strncmp(searched, searchfor, len2))
+			return 1;
+	} else if (kdb_grep_trailing) {
+		if (!strncmp(searched+len1-len2, searchfor, len2))
+			return 1;
+	} else {
+		firstchar = *searchfor;
+		cp = searched;
+		while ((cp = strchr(cp, firstchar))) {
+			if (!strncmp(cp, searchfor, len2))
+				return 1;
+			cp++;
+		}
+	}
+	return 0;
+}
+
+int kdb_printf(const char *fmt, ...)
+{
+	va_list ap;
+	int diag;
+	int linecount;
+	int logging, saved_loglevel = 0;
+	int got_printf_lock = 0;
+	int retlen = 0;
+	int fnd, len;
+	char *cp, *cp2, *cphold = NULL, replaced_byte = ' ';
+	char *moreprompt = "more> ";
+	struct console *c = console_drivers;
+	static DEFINE_SPINLOCK(kdb_printf_lock);
+	unsigned long uninitialized_var(flags);
+
+	preempt_disable();
+	/* Serialize kdb_printf if multiple cpus try to write at once.
+	 * But if any cpu goes recursive in kdb, just print the output,
+	 * even if it is interleaved with any other text.
+	 */
+	if (!KDB_STATE(PRINTF_LOCK)) {
+		KDB_STATE_SET(PRINTF_LOCK);
+		spin_lock_irqsave(&kdb_printf_lock, flags);
+		got_printf_lock = 1;
+		atomic_inc(&kdb_event);
+	} else {
+		__acquire(kdb_printf_lock);
+	}
+
+	diag = kdbgetintenv("LINES", &linecount);
+	if (diag || linecount <= 1)
+		linecount = 24;
+
+	diag = kdbgetintenv("LOGGING", &logging);
+	if (diag)
+		logging = 0;
+
+	if (!kdb_grepping_flag || suspend_grep) {
+		/* normally, every vsnprintf starts a new buffer */
+		next_avail = kdb_buffer;
+		size_avail = sizeof(kdb_buffer);
+	}
+	va_start(ap, fmt);
+	vsnprintf(next_avail, size_avail, fmt, ap);
+	va_end(ap);
+
+	/*
+	 * If kdb_parse() found that the command was cmd xxx | grep yyy
+	 * then kdb_grepping_flag is set, and kdb_grep_string contains yyy
+	 *
+	 * Accumulate the print data up to a newline before searching it.
+	 * (vsnprintf does null-terminate the string that it generates)
+	 */
+
+	/* skip the search if prints are temporarily unconditional */
+	if (!suspend_grep && kdb_grepping_flag) {
+		cp = strchr(kdb_buffer, '\n');
+		if (!cp) {
+			/*
+			 * Special cases that don't end with newlines
+			 * but should be written without one:
+			 *   The "[nn]kdb> " prompt should
+			 *   appear at the front of the buffer.
+			 *
+			 *   The "[nn]more " prompt should also be
+			 *     (MOREPROMPT -> moreprompt)
+			 *   written *   but we print that ourselves,
+			 *   we set the suspend_grep flag to make
+			 *   it unconditional.
+			 *
+			 */
+			if (next_avail == kdb_buffer) {
+				/*
+				 * these should occur after a newline,
+				 * so they will be at the front of the
+				 * buffer
+				 */
+				cp2 = kdb_buffer;
+				len = strlen(kdb_prompt_str);
+				if (!strncmp(cp2, kdb_prompt_str, len)) {
+					/*
+					 * We're about to start a new
+					 * command, so we can go back
+					 * to normal mode.
+					 */
+					kdb_grepping_flag = 0;
+					goto kdb_printit;
+				}
+			}
+			/* no newline; don't search/write the buffer
+			   until one is there */
+			len = strlen(kdb_buffer);
+			next_avail = kdb_buffer + len;
+			size_avail = sizeof(kdb_buffer) - len;
+			goto kdb_print_out;
+		}
+
+		/*
+		 * The newline is present; print through it or discard
+		 * it, depending on the results of the search.
+		 */
+		cp++;	 	     /* to byte after the newline */
+		replaced_byte = *cp; /* remember what/where it was */
+		cphold = cp;
+		*cp = '\0';	     /* end the string for our search */
+
+		/*
+		 * We now have a newline at the end of the string
+		 * Only continue with this output if it contains the
+		 * search string.
+		 */
+		fnd = kdb_search_string(kdb_buffer, kdb_grep_string);
+		if (!fnd) {
+			/*
+			 * At this point the complete line at the start
+			 * of kdb_buffer can be discarded, as it does
+			 * not contain what the user is looking for.
+			 * Shift the buffer left.
+			 */
+			*cphold = replaced_byte;
+			strcpy(kdb_buffer, cphold);
+			len = strlen(kdb_buffer);
+			next_avail = kdb_buffer + len;
+			size_avail = sizeof(kdb_buffer) - len;
+			goto kdb_print_out;
+		}
+		/*
+		 * at this point the string is a full line and
+		 * should be printed, up to the null.
+		 */
+	}
+kdb_printit:
+
+	/*
+	 * Write to all consoles.
+	 */
+	retlen = strlen(kdb_buffer);
+	while (c) {
+		c->write(c, kdb_buffer, retlen);
+		touch_nmi_watchdog();
+		c = c->next;
+	}
+	if (logging) {
+		saved_loglevel = console_loglevel;
+		console_loglevel = 0;
+		printk(KERN_INFO "%s", kdb_buffer);
+	}
+
+	if (KDB_STATE(PAGER) && strchr(kdb_buffer, '\n'))
+		kdb_nextline++;
+
+	/* check for having reached the LINES number of printed lines */
+	if (kdb_nextline == linecount) {
+		char buf1[16] = "";
+#if defined(CONFIG_SMP)
+		char buf2[32];
+#endif
+
+		/* Watch out for recursion here.  Any routine that calls
+		 * kdb_printf will come back through here.  And kdb_read
+		 * uses kdb_printf to echo on serial consoles ...
+		 */
+		kdb_nextline = 1;	/* In case of recursion */
+
+		/*
+		 * Pause until cr.
+		 */
+		moreprompt = kdbgetenv("MOREPROMPT");
+		if (moreprompt == NULL)
+			moreprompt = "more> ";
+
+#if defined(CONFIG_SMP)
+		if (strchr(moreprompt, '%')) {
+			sprintf(buf2, moreprompt, get_cpu());
+			put_cpu();
+			moreprompt = buf2;
+		}
+#endif
+
+		kdb_input_flush();
+		c = console_drivers;
+
+		while (c) {
+			c->write(c, moreprompt, strlen(moreprompt));
+			touch_nmi_watchdog();
+			c = c->next;
+		}
+
+		if (logging)
+			printk("%s", moreprompt);
+
+		kdb_read(buf1, 2); /* '2' indicates to return
+				    * immediately after getting one key. */
+		kdb_nextline = 1;	/* Really set output line 1 */
+
+		/* empty and reset the buffer: */
+		kdb_buffer[0] = '\0';
+		next_avail = kdb_buffer;
+		size_avail = sizeof(kdb_buffer);
+		if ((buf1[0] == 'q') || (buf1[0] == 'Q')) {
+			/* user hit q or Q */
+			KDB_FLAG_SET(CMD_INTERRUPT); /* command interrupted */
+			KDB_STATE_CLEAR(PAGER);
+			/* end of command output; back to normal mode */
+			kdb_grepping_flag = 0;
+			kdb_printf("\n");
+		} else if (buf1[0] == ' ') {
+			kdb_printf("\n");
+			suspend_grep = 1; /* for this recursion */
+		} else if (buf1[0] == '\n') {
+			kdb_nextline = linecount - 1;
+			kdb_printf("\r");
+			suspend_grep = 1; /* for this recursion */
+		} else if (buf1[0] && buf1[0] != '\n') {
+			/* user hit something other than enter */
+			suspend_grep = 1; /* for this recursion */
+			kdb_printf("\nOnly 'q' or 'Q' are processed at more "
+				   "prompt, input ignored\n");
+		} else if (kdb_grepping_flag) {
+			/* user hit enter */
+			suspend_grep = 1; /* for this recursion */
+			kdb_printf("\n");
+		}
+		kdb_input_flush();
+	}
+
+	/*
+	 * For grep searches, shift the printed string left.
+	 *  replaced_byte contains the character that was overwritten with
+	 *  the terminating null, and cphold points to the null.
+	 * Then adjust the notion of available space in the buffer.
+	 */
+	if (kdb_grepping_flag && !suspend_grep) {
+		*cphold = replaced_byte;
+		strcpy(kdb_buffer, cphold);
+		len = strlen(kdb_buffer);
+		next_avail = kdb_buffer + len;
+		size_avail = sizeof(kdb_buffer) - len;
+	}
+
+kdb_print_out:
+	suspend_grep = 0; /* end of what may have been a recursive call */
+	if (logging)
+		console_loglevel = saved_loglevel;
+	if (KDB_STATE(PRINTF_LOCK) && got_printf_lock) {
+		got_printf_lock = 0;
+		spin_unlock_irqrestore(&kdb_printf_lock, flags);
+		KDB_STATE_CLEAR(PRINTF_LOCK);
+		atomic_dec(&kdb_event);
+	} else {
+		__release(kdb_printf_lock);
+	}
+	preempt_enable();
+	return retlen;
+}
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
new file mode 100644
index 00000000000..64ef9ac14ba
--- /dev/null
+++ b/kernel/debug/kdb/kdb_main.c
@@ -0,0 +1,2845 @@
+/*
+ * Kernel Debugger Architecture Independent Main Code
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (C) 2000 Stephane Eranian <eranian@hpl.hp.com>
+ * Xscale (R) modifications copyright (C) 2003 Intel Corporation.
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ */
+
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/sched.h>
+#include <linux/sysrq.h>
+#include <linux/smp.h>
+#include <linux/utsname.h>
+#include <linux/vmalloc.h>
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/kallsyms.h>
+#include <linux/kgdb.h>
+#include <linux/kdb.h>
+#include <linux/notifier.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/nmi.h>
+#include <linux/time.h>
+#include <linux/ptrace.h>
+#include <linux/sysctl.h>
+#include <linux/cpu.h>
+#include <linux/kdebug.h>
+#include <linux/proc_fs.h>
+#include <linux/uaccess.h>
+#include <linux/slab.h>
+#include "kdb_private.h"
+
+#define GREP_LEN 256
+char kdb_grep_string[GREP_LEN];
+int kdb_grepping_flag;
+EXPORT_SYMBOL(kdb_grepping_flag);
+int kdb_grep_leading;
+int kdb_grep_trailing;
+
+/*
+ * Kernel debugger state flags
+ */
+int kdb_flags;
+atomic_t kdb_event;
+
+/*
+ * kdb_lock protects updates to kdb_initial_cpu.  Used to
+ * single thread processors through the kernel debugger.
+ */
+int kdb_initial_cpu = -1;	/* cpu number that owns kdb */
+int kdb_nextline = 1;
+int kdb_state;			/* General KDB state */
+
+struct task_struct *kdb_current_task;
+EXPORT_SYMBOL(kdb_current_task);
+struct pt_regs *kdb_current_regs;
+
+const char *kdb_diemsg;
+static int kdb_go_count;
+#ifdef CONFIG_KDB_CONTINUE_CATASTROPHIC
+static unsigned int kdb_continue_catastrophic =
+	CONFIG_KDB_CONTINUE_CATASTROPHIC;
+#else
+static unsigned int kdb_continue_catastrophic;
+#endif
+
+/* kdb_commands describes the available commands. */
+static kdbtab_t *kdb_commands;
+#define KDB_BASE_CMD_MAX 50
+static int kdb_max_commands = KDB_BASE_CMD_MAX;
+static kdbtab_t kdb_base_commands[50];
+#define for_each_kdbcmd(cmd, num)					\
+	for ((cmd) = kdb_base_commands, (num) = 0;			\
+	     num < kdb_max_commands;					\
+	     num == KDB_BASE_CMD_MAX ? cmd = kdb_commands : cmd++, num++)
+
+typedef struct _kdbmsg {
+	int	km_diag;	/* kdb diagnostic */
+	char	*km_msg;	/* Corresponding message text */
+} kdbmsg_t;
+
+#define KDBMSG(msgnum, text) \
+	{ KDB_##msgnum, text }
+
+static kdbmsg_t kdbmsgs[] = {
+	KDBMSG(NOTFOUND, "Command Not Found"),
+	KDBMSG(ARGCOUNT, "Improper argument count, see usage."),
+	KDBMSG(BADWIDTH, "Illegal value for BYTESPERWORD use 1, 2, 4 or 8, "
+	       "8 is only allowed on 64 bit systems"),
+	KDBMSG(BADRADIX, "Illegal value for RADIX use 8, 10 or 16"),
+	KDBMSG(NOTENV, "Cannot find environment variable"),
+	KDBMSG(NOENVVALUE, "Environment variable should have value"),
+	KDBMSG(NOTIMP, "Command not implemented"),
+	KDBMSG(ENVFULL, "Environment full"),
+	KDBMSG(ENVBUFFULL, "Environment buffer full"),
+	KDBMSG(TOOMANYBPT, "Too many breakpoints defined"),
+#ifdef CONFIG_CPU_XSCALE
+	KDBMSG(TOOMANYDBREGS, "More breakpoints than ibcr registers defined"),
+#else
+	KDBMSG(TOOMANYDBREGS, "More breakpoints than db registers defined"),
+#endif
+	KDBMSG(DUPBPT, "Duplicate breakpoint address"),
+	KDBMSG(BPTNOTFOUND, "Breakpoint not found"),
+	KDBMSG(BADMODE, "Invalid IDMODE"),
+	KDBMSG(BADINT, "Illegal numeric value"),
+	KDBMSG(INVADDRFMT, "Invalid symbolic address format"),
+	KDBMSG(BADREG, "Invalid register name"),
+	KDBMSG(BADCPUNUM, "Invalid cpu number"),
+	KDBMSG(BADLENGTH, "Invalid length field"),
+	KDBMSG(NOBP, "No Breakpoint exists"),
+	KDBMSG(BADADDR, "Invalid address"),
+};
+#undef KDBMSG
+
+static const int __nkdb_err = sizeof(kdbmsgs) / sizeof(kdbmsg_t);
+
+
+/*
+ * Initial environment.   This is all kept static and local to
+ * this file.   We don't want to rely on the memory allocation
+ * mechanisms in the kernel, so we use a very limited allocate-only
+ * heap for new and altered environment variables.  The entire
+ * environment is limited to a fixed number of entries (add more
+ * to __env[] if required) and a fixed amount of heap (add more to
+ * KDB_ENVBUFSIZE if required).
+ */
+
+static char *__env[] = {
+#if defined(CONFIG_SMP)
+ "PROMPT=[%d]kdb> ",
+ "MOREPROMPT=[%d]more> ",
+#else
+ "PROMPT=kdb> ",
+ "MOREPROMPT=more> ",
+#endif
+ "RADIX=16",
+ "MDCOUNT=8",			/* lines of md output */
+ "BTARGS=9",			/* 9 possible args in bt */
+ KDB_PLATFORM_ENV,
+ "DTABCOUNT=30",
+ "NOSECT=1",
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+ (char *)0,
+};
+
+static const int __nenv = (sizeof(__env) / sizeof(char *));
+
+struct task_struct *kdb_curr_task(int cpu)
+{
+	struct task_struct *p = curr_task(cpu);
+#ifdef	_TIF_MCA_INIT
+	if ((task_thread_info(p)->flags & _TIF_MCA_INIT) && KDB_TSK(cpu))
+		p = krp->p;
+#endif
+	return p;
+}
+
+/*
+ * kdbgetenv - This function will return the character string value of
+ *	an environment variable.
+ * Parameters:
+ *	match	A character string representing an environment variable.
+ * Returns:
+ *	NULL	No environment variable matches 'match'
+ *	char*	Pointer to string value of environment variable.
+ */
+char *kdbgetenv(const char *match)
+{
+	char **ep = __env;
+	int matchlen = strlen(match);
+	int i;
+
+	for (i = 0; i < __nenv; i++) {
+		char *e = *ep++;
+
+		if (!e)
+			continue;
+
+		if ((strncmp(match, e, matchlen) == 0)
+		 && ((e[matchlen] == '\0')
+		   || (e[matchlen] == '='))) {
+			char *cp = strchr(e, '=');
+			return cp ? ++cp : "";
+		}
+	}
+	return NULL;
+}
+
+/*
+ * kdballocenv - This function is used to allocate bytes for
+ *	environment entries.
+ * Parameters:
+ *	match	A character string representing a numeric value
+ * Outputs:
+ *	*value  the unsigned long representation of the env variable 'match'
+ * Returns:
+ *	Zero on success, a kdb diagnostic on failure.
+ * Remarks:
+ *	We use a static environment buffer (envbuffer) to hold the values
+ *	of dynamically generated environment variables (see kdb_set).  Buffer
+ *	space once allocated is never free'd, so over time, the amount of space
+ *	(currently 512 bytes) will be exhausted if env variables are changed
+ *	frequently.
+ */
+static char *kdballocenv(size_t bytes)
+{
+#define	KDB_ENVBUFSIZE	512
+	static char envbuffer[KDB_ENVBUFSIZE];
+	static int envbufsize;
+	char *ep = NULL;
+
+	if ((KDB_ENVBUFSIZE - envbufsize) >= bytes) {
+		ep = &envbuffer[envbufsize];
+		envbufsize += bytes;
+	}
+	return ep;
+}
+
+/*
+ * kdbgetulenv - This function will return the value of an unsigned
+ *	long-valued environment variable.
+ * Parameters:
+ *	match	A character string representing a numeric value
+ * Outputs:
+ *	*value  the unsigned long represntation of the env variable 'match'
+ * Returns:
+ *	Zero on success, a kdb diagnostic on failure.
+ */
+static int kdbgetulenv(const char *match, unsigned long *value)
+{
+	char *ep;
+
+	ep = kdbgetenv(match);
+	if (!ep)
+		return KDB_NOTENV;
+	if (strlen(ep) == 0)
+		return KDB_NOENVVALUE;
+
+	*value = simple_strtoul(ep, NULL, 0);
+
+	return 0;
+}
+
+/*
+ * kdbgetintenv - This function will return the value of an
+ *	integer-valued environment variable.
+ * Parameters:
+ *	match	A character string representing an integer-valued env variable
+ * Outputs:
+ *	*value  the integer representation of the environment variable 'match'
+ * Returns:
+ *	Zero on success, a kdb diagnostic on failure.
+ */
+int kdbgetintenv(const char *match, int *value)
+{
+	unsigned long val;
+	int diag;
+
+	diag = kdbgetulenv(match, &val);
+	if (!diag)
+		*value = (int) val;
+	return diag;
+}
+
+/*
+ * kdbgetularg - This function will convert a numeric string into an
+ *	unsigned long value.
+ * Parameters:
+ *	arg	A character string representing a numeric value
+ * Outputs:
+ *	*value  the unsigned long represntation of arg.
+ * Returns:
+ *	Zero on success, a kdb diagnostic on failure.
+ */
+int kdbgetularg(const char *arg, unsigned long *value)
+{
+	char *endp;
+	unsigned long val;
+
+	val = simple_strtoul(arg, &endp, 0);
+
+	if (endp == arg) {
+		/*
+		 * Try base 16, for us folks too lazy to type the
+		 * leading 0x...
+		 */
+		val = simple_strtoul(arg, &endp, 16);
+		if (endp == arg)
+			return KDB_BADINT;
+	}
+
+	*value = val;
+
+	return 0;
+}
+
+/*
+ * kdb_set - This function implements the 'set' command.  Alter an
+ *	existing environment variable or create a new one.
+ */
+int kdb_set(int argc, const char **argv)
+{
+	int i;
+	char *ep;
+	size_t varlen, vallen;
+
+	/*
+	 * we can be invoked two ways:
+	 *   set var=value    argv[1]="var", argv[2]="value"
+	 *   set var = value  argv[1]="var", argv[2]="=", argv[3]="value"
+	 * - if the latter, shift 'em down.
+	 */
+	if (argc == 3) {
+		argv[2] = argv[3];
+		argc--;
+	}
+
+	if (argc != 2)
+		return KDB_ARGCOUNT;
+
+	/*
+	 * Check for internal variables
+	 */
+	if (strcmp(argv[1], "KDBDEBUG") == 0) {
+		unsigned int debugflags;
+		char *cp;
+
+		debugflags = simple_strtoul(argv[2], &cp, 0);
+		if (cp == argv[2] || debugflags & ~KDB_DEBUG_FLAG_MASK) {
+			kdb_printf("kdb: illegal debug flags '%s'\n",
+				    argv[2]);
+			return 0;
+		}
+		kdb_flags = (kdb_flags &
+			     ~(KDB_DEBUG_FLAG_MASK << KDB_DEBUG_FLAG_SHIFT))
+			| (debugflags << KDB_DEBUG_FLAG_SHIFT);
+
+		return 0;
+	}
+
+	/*
+	 * Tokenizer squashed the '=' sign.  argv[1] is variable
+	 * name, argv[2] = value.
+	 */
+	varlen = strlen(argv[1]);
+	vallen = strlen(argv[2]);
+	ep = kdballocenv(varlen + vallen + 2);
+	if (ep == (char *)0)
+		return KDB_ENVBUFFULL;
+
+	sprintf(ep, "%s=%s", argv[1], argv[2]);
+
+	ep[varlen+vallen+1] = '\0';
+
+	for (i = 0; i < __nenv; i++) {
+		if (__env[i]
+		 && ((strncmp(__env[i], argv[1], varlen) == 0)
+		   && ((__env[i][varlen] == '\0')
+		    || (__env[i][varlen] == '=')))) {
+			__env[i] = ep;
+			return 0;
+		}
+	}
+
+	/*
+	 * Wasn't existing variable.  Fit into slot.
+	 */
+	for (i = 0; i < __nenv-1; i++) {
+		if (__env[i] == (char *)0) {
+			__env[i] = ep;
+			return 0;
+		}
+	}
+
+	return KDB_ENVFULL;
+}
+
+static int kdb_check_regs(void)
+{
+	if (!kdb_current_regs) {
+		kdb_printf("No current kdb registers."
+			   "  You may need to select another task\n");
+		return KDB_BADREG;
+	}
+	return 0;
+}
+
+/*
+ * kdbgetaddrarg - This function is responsible for parsing an
+ *	address-expression and returning the value of the expression,
+ *	symbol name, and offset to the caller.
+ *
+ *	The argument may consist of a numeric value (decimal or
+ *	hexidecimal), a symbol name, a register name (preceeded by the
+ *	percent sign), an environment variable with a numeric value
+ *	(preceeded by a dollar sign) or a simple arithmetic expression
+ *	consisting of a symbol name, +/-, and a numeric constant value
+ *	(offset).
+ * Parameters:
+ *	argc	- count of arguments in argv
+ *	argv	- argument vector
+ *	*nextarg - index to next unparsed argument in argv[]
+ *	regs	- Register state at time of KDB entry
+ * Outputs:
+ *	*value	- receives the value of the address-expression
+ *	*offset - receives the offset specified, if any
+ *	*name   - receives the symbol name, if any
+ *	*nextarg - index to next unparsed argument in argv[]
+ * Returns:
+ *	zero is returned on success, a kdb diagnostic code is
+ *      returned on error.
+ */
+int kdbgetaddrarg(int argc, const char **argv, int *nextarg,
+		  unsigned long *value,  long *offset,
+		  char **name)
+{
+	unsigned long addr;
+	unsigned long off = 0;
+	int positive;
+	int diag;
+	int found = 0;
+	char *symname;
+	char symbol = '\0';
+	char *cp;
+	kdb_symtab_t symtab;
+
+	/*
+	 * Process arguments which follow the following syntax:
+	 *
+	 *  symbol | numeric-address [+/- numeric-offset]
+	 *  %register
+	 *  $environment-variable
+	 */
+
+	if (*nextarg > argc)
+		return KDB_ARGCOUNT;
+
+	symname = (char *)argv[*nextarg];
+
+	/*
+	 * If there is no whitespace between the symbol
+	 * or address and the '+' or '-' symbols, we
+	 * remember the character and replace it with a
+	 * null so the symbol/value can be properly parsed
+	 */
+	cp = strpbrk(symname, "+-");
+	if (cp != NULL) {
+		symbol = *cp;
+		*cp++ = '\0';
+	}
+
+	if (symname[0] == '$') {
+		diag = kdbgetulenv(&symname[1], &addr);
+		if (diag)
+			return diag;
+	} else if (symname[0] == '%') {
+		diag = kdb_check_regs();
+		if (diag)
+			return diag;
+		/* Implement register values with % at a later time as it is
+		 * arch optional.
+		 */
+		return KDB_NOTIMP;
+	} else {
+		found = kdbgetsymval(symname, &symtab);
+		if (found) {
+			addr = symtab.sym_start;
+		} else {
+			diag = kdbgetularg(argv[*nextarg], &addr);
+			if (diag)
+				return diag;
+		}
+	}
+
+	if (!found)
+		found = kdbnearsym(addr, &symtab);
+
+	(*nextarg)++;
+
+	if (name)
+		*name = symname;
+	if (value)
+		*value = addr;
+	if (offset && name && *name)
+		*offset = addr - symtab.sym_start;
+
+	if ((*nextarg > argc)
+	 && (symbol == '\0'))
+		return 0;
+
+	/*
+	 * check for +/- and offset
+	 */
+
+	if (symbol == '\0') {
+		if ((argv[*nextarg][0] != '+')
+		 && (argv[*nextarg][0] != '-')) {
+			/*
+			 * Not our argument.  Return.
+			 */
+			return 0;
+		} else {
+			positive = (argv[*nextarg][0] == '+');
+			(*nextarg)++;
+		}
+	} else
+		positive = (symbol == '+');
+
+	/*
+	 * Now there must be an offset!
+	 */
+	if ((*nextarg > argc)
+	 && (symbol == '\0')) {
+		return KDB_INVADDRFMT;
+	}
+
+	if (!symbol) {
+		cp = (char *)argv[*nextarg];
+		(*nextarg)++;
+	}
+
+	diag = kdbgetularg(cp, &off);
+	if (diag)
+		return diag;
+
+	if (!positive)
+		off = -off;
+
+	if (offset)
+		*offset += off;
+
+	if (value)
+		*value += off;
+
+	return 0;
+}
+
+static void kdb_cmderror(int diag)
+{
+	int i;
+
+	if (diag >= 0) {
+		kdb_printf("no error detected (diagnostic is %d)\n", diag);
+		return;
+	}
+
+	for (i = 0; i < __nkdb_err; i++) {
+		if (kdbmsgs[i].km_diag == diag) {
+			kdb_printf("diag: %d: %s\n", diag, kdbmsgs[i].km_msg);
+			return;
+		}
+	}
+
+	kdb_printf("Unknown diag %d\n", -diag);
+}
+
+/*
+ * kdb_defcmd, kdb_defcmd2 - This function implements the 'defcmd'
+ *	command which defines one command as a set of other commands,
+ *	terminated by endefcmd.  kdb_defcmd processes the initial
+ *	'defcmd' command, kdb_defcmd2 is invoked from kdb_parse for
+ *	the following commands until 'endefcmd'.
+ * Inputs:
+ *	argc	argument count
+ *	argv	argument vector
+ * Returns:
+ *	zero for success, a kdb diagnostic if error
+ */
+struct defcmd_set {
+	int count;
+	int usable;
+	char *name;
+	char *usage;
+	char *help;
+	char **command;
+};
+static struct defcmd_set *defcmd_set;
+static int defcmd_set_count;
+static int defcmd_in_progress;
+
+/* Forward references */
+static int kdb_exec_defcmd(int argc, const char **argv);
+
+static int kdb_defcmd2(const char *cmdstr, const char *argv0)
+{
+	struct defcmd_set *s = defcmd_set + defcmd_set_count - 1;
+	char **save_command = s->command;
+	if (strcmp(argv0, "endefcmd") == 0) {
+		defcmd_in_progress = 0;
+		if (!s->count)
+			s->usable = 0;
+		if (s->usable)
+			kdb_register(s->name, kdb_exec_defcmd,
+				     s->usage, s->help, 0);
+		return 0;
+	}
+	if (!s->usable)
+		return KDB_NOTIMP;
+	s->command = kmalloc((s->count + 1) * sizeof(*(s->command)), GFP_KDB);
+	if (!s->command) {
+		kdb_printf("Could not allocate new kdb_defcmd table for %s\n",
+			   cmdstr);
+		s->usable = 0;
+		return KDB_NOTIMP;
+	}
+	memcpy(s->command, save_command, s->count * sizeof(*(s->command)));
+	s->command[s->count++] = kdb_strdup(cmdstr, GFP_KDB);
+	kfree(save_command);
+	return 0;
+}
+
+static int kdb_defcmd(int argc, const char **argv)
+{
+	struct defcmd_set *save_defcmd_set = defcmd_set, *s;
+	if (defcmd_in_progress) {
+		kdb_printf("kdb: nested defcmd detected, assuming missing "
+			   "endefcmd\n");
+		kdb_defcmd2("endefcmd", "endefcmd");
+	}
+	if (argc == 0) {
+		int i;
+		for (s = defcmd_set; s < defcmd_set + defcmd_set_count; ++s) {
+			kdb_printf("defcmd %s \"%s\" \"%s\"\n", s->name,
+				   s->usage, s->help);
+			for (i = 0; i < s->count; ++i)
+				kdb_printf("%s", s->command[i]);
+			kdb_printf("endefcmd\n");
+		}
+		return 0;
+	}
+	if (argc != 3)
+		return KDB_ARGCOUNT;
+	defcmd_set = kmalloc((defcmd_set_count + 1) * sizeof(*defcmd_set),
+			     GFP_KDB);
+	if (!defcmd_set) {
+		kdb_printf("Could not allocate new defcmd_set entry for %s\n",
+			   argv[1]);
+		defcmd_set = save_defcmd_set;
+		return KDB_NOTIMP;
+	}
+	memcpy(defcmd_set, save_defcmd_set,
+	       defcmd_set_count * sizeof(*defcmd_set));
+	kfree(save_defcmd_set);
+	s = defcmd_set + defcmd_set_count;
+	memset(s, 0, sizeof(*s));
+	s->usable = 1;
+	s->name = kdb_strdup(argv[1], GFP_KDB);
+	s->usage = kdb_strdup(argv[2], GFP_KDB);
+	s->help = kdb_strdup(argv[3], GFP_KDB);
+	if (s->usage[0] == '"') {
+		strcpy(s->usage, s->usage+1);
+		s->usage[strlen(s->usage)-1] = '\0';
+	}
+	if (s->help[0] == '"') {
+		strcpy(s->help, s->help+1);
+		s->help[strlen(s->help)-1] = '\0';
+	}
+	++defcmd_set_count;
+	defcmd_in_progress = 1;
+	return 0;
+}
+
+/*
+ * kdb_exec_defcmd - Execute the set of commands associated with this
+ *	defcmd name.
+ * Inputs:
+ *	argc	argument count
+ *	argv	argument vector
+ * Returns:
+ *	zero for success, a kdb diagnostic if error
+ */
+static int kdb_exec_defcmd(int argc, const char **argv)
+{
+	int i, ret;
+	struct defcmd_set *s;
+	if (argc != 0)
+		return KDB_ARGCOUNT;
+	for (s = defcmd_set, i = 0; i < defcmd_set_count; ++i, ++s) {
+		if (strcmp(s->name, argv[0]) == 0)
+			break;
+	}
+	if (i == defcmd_set_count) {
+		kdb_printf("kdb_exec_defcmd: could not find commands for %s\n",
+			   argv[0]);
+		return KDB_NOTIMP;
+	}
+	for (i = 0; i < s->count; ++i) {
+		/* Recursive use of kdb_parse, do not use argv after
+		 * this point */
+		argv = NULL;
+		kdb_printf("[%s]kdb> %s\n", s->name, s->command[i]);
+		ret = kdb_parse(s->command[i]);
+		if (ret)
+			return ret;
+	}
+	return 0;
+}
+
+/* Command history */
+#define KDB_CMD_HISTORY_COUNT	32
+#define CMD_BUFLEN		200	/* kdb_printf: max printline
+					 * size == 256 */
+static unsigned int cmd_head, cmd_tail;
+static unsigned int cmdptr;
+static char cmd_hist[KDB_CMD_HISTORY_COUNT][CMD_BUFLEN];
+static char cmd_cur[CMD_BUFLEN];
+
+/*
+ * The "str" argument may point to something like  | grep xyz
+ */
+static void parse_grep(const char *str)
+{
+	int	len;
+	char	*cp = (char *)str, *cp2;
+
+	/* sanity check: we should have been called with the \ first */
+	if (*cp != '|')
+		return;
+	cp++;
+	while (isspace(*cp))
+		cp++;
+	if (strncmp(cp, "grep ", 5)) {
+		kdb_printf("invalid 'pipe', see grephelp\n");
+		return;
+	}
+	cp += 5;
+	while (isspace(*cp))
+		cp++;
+	cp2 = strchr(cp, '\n');
+	if (cp2)
+		*cp2 = '\0'; /* remove the trailing newline */
+	len = strlen(cp);
+	if (len == 0) {
+		kdb_printf("invalid 'pipe', see grephelp\n");
+		return;
+	}
+	/* now cp points to a nonzero length search string */
+	if (*cp == '"') {
+		/* allow it be "x y z" by removing the "'s - there must
+		   be two of them */
+		cp++;
+		cp2 = strchr(cp, '"');
+		if (!cp2) {
+			kdb_printf("invalid quoted string, see grephelp\n");
+			return;
+		}
+		*cp2 = '\0'; /* end the string where the 2nd " was */
+	}
+	kdb_grep_leading = 0;
+	if (*cp == '^') {
+		kdb_grep_leading = 1;
+		cp++;
+	}
+	len = strlen(cp);
+	kdb_grep_trailing = 0;
+	if (*(cp+len-1) == '$') {
+		kdb_grep_trailing = 1;
+		*(cp+len-1) = '\0';
+	}
+	len = strlen(cp);
+	if (!len)
+		return;
+	if (len >= GREP_LEN) {
+		kdb_printf("search string too long\n");
+		return;
+	}
+	strcpy(kdb_grep_string, cp);
+	kdb_grepping_flag++;
+	return;
+}
+
+/*
+ * kdb_parse - Parse the command line, search the command table for a
+ *	matching command and invoke the command function.  This
+ *	function may be called recursively, if it is, the second call
+ *	will overwrite argv and cbuf.  It is the caller's
+ *	responsibility to save their argv if they recursively call
+ *	kdb_parse().
+ * Parameters:
+ *      cmdstr	The input command line to be parsed.
+ *	regs	The registers at the time kdb was entered.
+ * Returns:
+ *	Zero for success, a kdb diagnostic if failure.
+ * Remarks:
+ *	Limited to 20 tokens.
+ *
+ *	Real rudimentary tokenization. Basically only whitespace
+ *	is considered a token delimeter (but special consideration
+ *	is taken of the '=' sign as used by the 'set' command).
+ *
+ *	The algorithm used to tokenize the input string relies on
+ *	there being at least one whitespace (or otherwise useless)
+ *	character between tokens as the character immediately following
+ *	the token is altered in-place to a null-byte to terminate the
+ *	token string.
+ */
+
+#define MAXARGC	20
+
+int kdb_parse(const char *cmdstr)
+{
+	static char *argv[MAXARGC];
+	static int argc;
+	static char cbuf[CMD_BUFLEN+2];
+	char *cp;
+	char *cpp, quoted;
+	kdbtab_t *tp;
+	int i, escaped, ignore_errors = 0, check_grep;
+
+	/*
+	 * First tokenize the command string.
+	 */
+	cp = (char *)cmdstr;
+	kdb_grepping_flag = check_grep = 0;
+
+	if (KDB_FLAG(CMD_INTERRUPT)) {
+		/* Previous command was interrupted, newline must not
+		 * repeat the command */
+		KDB_FLAG_CLEAR(CMD_INTERRUPT);
+		KDB_STATE_SET(PAGER);
+		argc = 0;	/* no repeat */
+	}
+
+	if (*cp != '\n' && *cp != '\0') {
+		argc = 0;
+		cpp = cbuf;
+		while (*cp) {
+			/* skip whitespace */
+			while (isspace(*cp))
+				cp++;
+			if ((*cp == '\0') || (*cp == '\n') ||
+			    (*cp == '#' && !defcmd_in_progress))
+				break;
+			/* special case: check for | grep pattern */
+			if (*cp == '|') {
+				check_grep++;
+				break;
+			}
+			if (cpp >= cbuf + CMD_BUFLEN) {
+				kdb_printf("kdb_parse: command buffer "
+					   "overflow, command ignored\n%s\n",
+					   cmdstr);
+				return KDB_NOTFOUND;
+			}
+			if (argc >= MAXARGC - 1) {
+				kdb_printf("kdb_parse: too many arguments, "
+					   "command ignored\n%s\n", cmdstr);
+				return KDB_NOTFOUND;
+			}
+			argv[argc++] = cpp;
+			escaped = 0;
+			quoted = '\0';
+			/* Copy to next unquoted and unescaped
+			 * whitespace or '=' */
+			while (*cp && *cp != '\n' &&
+			       (escaped || quoted || !isspace(*cp))) {
+				if (cpp >= cbuf + CMD_BUFLEN)
+					break;
+				if (escaped) {
+					escaped = 0;
+					*cpp++ = *cp++;
+					continue;
+				}
+				if (*cp == '\\') {
+					escaped = 1;
+					++cp;
+					continue;
+				}
+				if (*cp == quoted)
+					quoted = '\0';
+				else if (*cp == '\'' || *cp == '"')
+					quoted = *cp;
+				*cpp = *cp++;
+				if (*cpp == '=' && !quoted)
+					break;
+				++cpp;
+			}
+			*cpp++ = '\0';	/* Squash a ws or '=' character */
+		}
+	}
+	if (!argc)
+		return 0;
+	if (check_grep)
+		parse_grep(cp);
+	if (defcmd_in_progress) {
+		int result = kdb_defcmd2(cmdstr, argv[0]);
+		if (!defcmd_in_progress) {
+			argc = 0;	/* avoid repeat on endefcmd */
+			*(argv[0]) = '\0';
+		}
+		return result;
+	}
+	if (argv[0][0] == '-' && argv[0][1] &&
+	    (argv[0][1] < '0' || argv[0][1] > '9')) {
+		ignore_errors = 1;
+		++argv[0];
+	}
+
+	for_each_kdbcmd(tp, i) {
+		if (tp->cmd_name) {
+			/*
+			 * If this command is allowed to be abbreviated,
+			 * check to see if this is it.
+			 */
+
+			if (tp->cmd_minlen
+			 && (strlen(argv[0]) <= tp->cmd_minlen)) {
+				if (strncmp(argv[0],
+					    tp->cmd_name,
+					    tp->cmd_minlen) == 0) {
+					break;
+				}
+			}
+
+			if (strcmp(argv[0], tp->cmd_name) == 0)
+				break;
+		}
+	}
+
+	/*
+	 * If we don't find a command by this name, see if the first
+	 * few characters of this match any of the known commands.
+	 * e.g., md1c20 should match md.
+	 */
+	if (i == kdb_max_commands) {
+		for_each_kdbcmd(tp, i) {
+			if (tp->cmd_name) {
+				if (strncmp(argv[0],
+					    tp->cmd_name,
+					    strlen(tp->cmd_name)) == 0) {
+					break;
+				}
+			}
+		}
+	}
+
+	if (i < kdb_max_commands) {
+		int result;
+		KDB_STATE_SET(CMD);
+		result = (*tp->cmd_func)(argc-1, (const char **)argv);
+		if (result && ignore_errors && result > KDB_CMD_GO)
+			result = 0;
+		KDB_STATE_CLEAR(CMD);
+		switch (tp->cmd_repeat) {
+		case KDB_REPEAT_NONE:
+			argc = 0;
+			if (argv[0])
+				*(argv[0]) = '\0';
+			break;
+		case KDB_REPEAT_NO_ARGS:
+			argc = 1;
+			if (argv[1])
+				*(argv[1]) = '\0';
+			break;
+		case KDB_REPEAT_WITH_ARGS:
+			break;
+		}
+		return result;
+	}
+
+	/*
+	 * If the input with which we were presented does not
+	 * map to an existing command, attempt to parse it as an
+	 * address argument and display the result.   Useful for
+	 * obtaining the address of a variable, or the nearest symbol
+	 * to an address contained in a register.
+	 */
+	{
+		unsigned long value;
+		char *name = NULL;
+		long offset;
+		int nextarg = 0;
+
+		if (kdbgetaddrarg(0, (const char **)argv, &nextarg,
+				  &value, &offset, &name)) {
+			return KDB_NOTFOUND;
+		}
+
+		kdb_printf("%s = ", argv[0]);
+		kdb_symbol_print(value, NULL, KDB_SP_DEFAULT);
+		kdb_printf("\n");
+		return 0;
+	}
+}
+
+
+static int handle_ctrl_cmd(char *cmd)
+{
+#define CTRL_P	16
+#define CTRL_N	14
+
+	/* initial situation */
+	if (cmd_head == cmd_tail)
+		return 0;
+	switch (*cmd) {
+	case CTRL_P:
+		if (cmdptr != cmd_tail)
+			cmdptr = (cmdptr-1) % KDB_CMD_HISTORY_COUNT;
+		strncpy(cmd_cur, cmd_hist[cmdptr], CMD_BUFLEN);
+		return 1;
+	case CTRL_N:
+		if (cmdptr != cmd_head)
+			cmdptr = (cmdptr+1) % KDB_CMD_HISTORY_COUNT;
+		strncpy(cmd_cur, cmd_hist[cmdptr], CMD_BUFLEN);
+		return 1;
+	}
+	return 0;
+}
+
+/*
+ * kdb_reboot - This function implements the 'reboot' command.  Reboot
+ *	the system immediately, or loop for ever on failure.
+ */
+static int kdb_reboot(int argc, const char **argv)
+{
+	emergency_restart();
+	kdb_printf("Hmm, kdb_reboot did not reboot, spinning here\n");
+	while (1)
+		cpu_relax();
+	/* NOTREACHED */
+	return 0;
+}
+
+static void kdb_dumpregs(struct pt_regs *regs)
+{
+	int old_lvl = console_loglevel;
+	console_loglevel = 15;
+	show_regs(regs);
+	kdb_printf("\n");
+	console_loglevel = old_lvl;
+}
+
+void kdb_set_current_task(struct task_struct *p)
+{
+	kdb_current_task = p;
+
+	if (kdb_task_has_cpu(p)) {
+		kdb_current_regs = KDB_TSKREGS(kdb_process_cpu(p));
+		return;
+	}
+	kdb_current_regs = NULL;
+}
+
+/*
+ * kdb_local - The main code for kdb.  This routine is invoked on a
+ *	specific processor, it is not global.  The main kdb() routine
+ *	ensures that only one processor at a time is in this routine.
+ *	This code is called with the real reason code on the first
+ *	entry to a kdb session, thereafter it is called with reason
+ *	SWITCH, even if the user goes back to the original cpu.
+ * Inputs:
+ *	reason		The reason KDB was invoked
+ *	error		The hardware-defined error code
+ *	regs		The exception frame at time of fault/breakpoint.
+ *	db_result	Result code from the break or debug point.
+ * Returns:
+ *	0	KDB was invoked for an event which it wasn't responsible
+ *	1	KDB handled the event for which it was invoked.
+ *	KDB_CMD_GO	User typed 'go'.
+ *	KDB_CMD_CPU	User switched to another cpu.
+ *	KDB_CMD_SS	Single step.
+ *	KDB_CMD_SSB	Single step until branch.
+ */
+static int kdb_local(kdb_reason_t reason, int error, struct pt_regs *regs,
+		     kdb_dbtrap_t db_result)
+{
+	char *cmdbuf;
+	int diag;
+	struct task_struct *kdb_current =
+		kdb_curr_task(raw_smp_processor_id());
+
+	KDB_DEBUG_STATE("kdb_local 1", reason);
+	kdb_go_count = 0;
+	if (reason == KDB_REASON_DEBUG) {
+		/* special case below */
+	} else {
+		kdb_printf("\nEntering kdb (current=0x%p, pid %d) ",
+			   kdb_current, kdb_current->pid);
+#if defined(CONFIG_SMP)
+		kdb_printf("on processor %d ", raw_smp_processor_id());
+#endif
+	}
+
+	switch (reason) {
+	case KDB_REASON_DEBUG:
+	{
+		/*
+		 * If re-entering kdb after a single step
+		 * command, don't print the message.
+		 */
+		switch (db_result) {
+		case KDB_DB_BPT:
+			kdb_printf("\nEntering kdb (0x%p, pid %d) ",
+				   kdb_current, kdb_current->pid);
+#if defined(CONFIG_SMP)
+			kdb_printf("on processor %d ", raw_smp_processor_id());
+#endif
+			kdb_printf("due to Debug @ " kdb_machreg_fmt "\n",
+				   instruction_pointer(regs));
+			break;
+		case KDB_DB_SSB:
+			/*
+			 * In the midst of ssb command. Just return.
+			 */
+			KDB_DEBUG_STATE("kdb_local 3", reason);
+			return KDB_CMD_SSB;	/* Continue with SSB command */
+
+			break;
+		case KDB_DB_SS:
+			break;
+		case KDB_DB_SSBPT:
+			KDB_DEBUG_STATE("kdb_local 4", reason);
+			return 1;	/* kdba_db_trap did the work */
+		default:
+			kdb_printf("kdb: Bad result from kdba_db_trap: %d\n",
+				   db_result);
+			break;
+		}
+
+	}
+		break;
+	case KDB_REASON_ENTER:
+		if (KDB_STATE(KEYBOARD))
+			kdb_printf("due to Keyboard Entry\n");
+		else
+			kdb_printf("due to KDB_ENTER()\n");
+		break;
+	case KDB_REASON_KEYBOARD:
+		KDB_STATE_SET(KEYBOARD);
+		kdb_printf("due to Keyboard Entry\n");
+		break;
+	case KDB_REASON_ENTER_SLAVE:
+		/* drop through, slaves only get released via cpu switch */
+	case KDB_REASON_SWITCH:
+		kdb_printf("due to cpu switch\n");
+		break;
+	case KDB_REASON_OOPS:
+		kdb_printf("Oops: %s\n", kdb_diemsg);
+		kdb_printf("due to oops @ " kdb_machreg_fmt "\n",
+			   instruction_pointer(regs));
+		kdb_dumpregs(regs);
+		break;
+	case KDB_REASON_NMI:
+		kdb_printf("due to NonMaskable Interrupt @ "
+			   kdb_machreg_fmt "\n",
+			   instruction_pointer(regs));
+		kdb_dumpregs(regs);
+		break;
+	case KDB_REASON_SSTEP:
+	case KDB_REASON_BREAK:
+		kdb_printf("due to %s @ " kdb_machreg_fmt "\n",
+			   reason == KDB_REASON_BREAK ?
+			   "Breakpoint" : "SS trap", instruction_pointer(regs));
+		/*
+		 * Determine if this breakpoint is one that we
+		 * are interested in.
+		 */
+		if (db_result != KDB_DB_BPT) {
+			kdb_printf("kdb: error return from kdba_bp_trap: %d\n",
+				   db_result);
+			KDB_DEBUG_STATE("kdb_local 6", reason);
+			return 0;	/* Not for us, dismiss it */
+		}
+		break;
+	case KDB_REASON_RECURSE:
+		kdb_printf("due to Recursion @ " kdb_machreg_fmt "\n",
+			   instruction_pointer(regs));
+		break;
+	default:
+		kdb_printf("kdb: unexpected reason code: %d\n", reason);
+		KDB_DEBUG_STATE("kdb_local 8", reason);
+		return 0;	/* Not for us, dismiss it */
+	}
+
+	while (1) {
+		/*
+		 * Initialize pager context.
+		 */
+		kdb_nextline = 1;
+		KDB_STATE_CLEAR(SUPPRESS);
+
+		cmdbuf = cmd_cur;
+		*cmdbuf = '\0';
+		*(cmd_hist[cmd_head]) = '\0';
+
+		if (KDB_FLAG(ONLY_DO_DUMP)) {
+			/* kdb is off but a catastrophic error requires a dump.
+			 * Take the dump and reboot.
+			 * Turn on logging so the kdb output appears in the log
+			 * buffer in the dump.
+			 */
+			const char *setargs[] = { "set", "LOGGING", "1" };
+			kdb_set(2, setargs);
+			kdb_reboot(0, NULL);
+			/*NOTREACHED*/
+		}
+
+do_full_getstr:
+#if defined(CONFIG_SMP)
+		snprintf(kdb_prompt_str, CMD_BUFLEN, kdbgetenv("PROMPT"),
+			 raw_smp_processor_id());
+#else
+		snprintf(kdb_prompt_str, CMD_BUFLEN, kdbgetenv("PROMPT"));
+#endif
+		if (defcmd_in_progress)
+			strncat(kdb_prompt_str, "[defcmd]", CMD_BUFLEN);
+
+		/*
+		 * Fetch command from keyboard
+		 */
+		cmdbuf = kdb_getstr(cmdbuf, CMD_BUFLEN, kdb_prompt_str);
+		if (*cmdbuf != '\n') {
+			if (*cmdbuf < 32) {
+				if (cmdptr == cmd_head) {
+					strncpy(cmd_hist[cmd_head], cmd_cur,
+						CMD_BUFLEN);
+					*(cmd_hist[cmd_head] +
+					  strlen(cmd_hist[cmd_head])-1) = '\0';
+				}
+				if (!handle_ctrl_cmd(cmdbuf))
+					*(cmd_cur+strlen(cmd_cur)-1) = '\0';
+				cmdbuf = cmd_cur;
+				goto do_full_getstr;
+			} else {
+				strncpy(cmd_hist[cmd_head], cmd_cur,
+					CMD_BUFLEN);
+			}
+
+			cmd_head = (cmd_head+1) % KDB_CMD_HISTORY_COUNT;
+			if (cmd_head == cmd_tail)
+				cmd_tail = (cmd_tail+1) % KDB_CMD_HISTORY_COUNT;
+		}
+
+		cmdptr = cmd_head;
+		diag = kdb_parse(cmdbuf);
+		if (diag == KDB_NOTFOUND) {
+			kdb_printf("Unknown kdb command: '%s'\n", cmdbuf);
+			diag = 0;
+		}
+		if (diag == KDB_CMD_GO
+		 || diag == KDB_CMD_CPU
+		 || diag == KDB_CMD_SS
+		 || diag == KDB_CMD_SSB
+		 || diag == KDB_CMD_KGDB)
+			break;
+
+		if (diag)
+			kdb_cmderror(diag);
+	}
+	KDB_DEBUG_STATE("kdb_local 9", diag);
+	return diag;
+}
+
+
+/*
+ * kdb_print_state - Print the state data for the current processor
+ *	for debugging.
+ * Inputs:
+ *	text		Identifies the debug point
+ *	value		Any integer value to be printed, e.g. reason code.
+ */
+void kdb_print_state(const char *text, int value)
+{
+	kdb_printf("state: %s cpu %d value %d initial %d state %x\n",
+		   text, raw_smp_processor_id(), value, kdb_initial_cpu,
+		   kdb_state);
+}
+
+/*
+ * kdb_main_loop - After initial setup and assignment of the
+ *	controlling cpu, all cpus are in this loop.  One cpu is in
+ *	control and will issue the kdb prompt, the others will spin
+ *	until 'go' or cpu switch.
+ *
+ *	To get a consistent view of the kernel stacks for all
+ *	processes, this routine is invoked from the main kdb code via
+ *	an architecture specific routine.  kdba_main_loop is
+ *	responsible for making the kernel stacks consistent for all
+ *	processes, there should be no difference between a blocked
+ *	process and a running process as far as kdb is concerned.
+ * Inputs:
+ *	reason		The reason KDB was invoked
+ *	error		The hardware-defined error code
+ *	reason2		kdb's current reason code.
+ *			Initially error but can change
+ *			acording to kdb state.
+ *	db_result	Result code from break or debug point.
+ *	regs		The exception frame at time of fault/breakpoint.
+ *			should always be valid.
+ * Returns:
+ *	0	KDB was invoked for an event which it wasn't responsible
+ *	1	KDB handled the event for which it was invoked.
+ */
+int kdb_main_loop(kdb_reason_t reason, kdb_reason_t reason2, int error,
+	      kdb_dbtrap_t db_result, struct pt_regs *regs)
+{
+	int result = 1;
+	/* Stay in kdb() until 'go', 'ss[b]' or an error */
+	while (1) {
+		/*
+		 * All processors except the one that is in control
+		 * will spin here.
+		 */
+		KDB_DEBUG_STATE("kdb_main_loop 1", reason);
+		while (KDB_STATE(HOLD_CPU)) {
+			/* state KDB is turned off by kdb_cpu to see if the
+			 * other cpus are still live, each cpu in this loop
+			 * turns it back on.
+			 */
+			if (!KDB_STATE(KDB))
+				KDB_STATE_SET(KDB);
+		}
+
+		KDB_STATE_CLEAR(SUPPRESS);
+		KDB_DEBUG_STATE("kdb_main_loop 2", reason);
+		if (KDB_STATE(LEAVING))
+			break;	/* Another cpu said 'go' */
+		/* Still using kdb, this processor is in control */
+		result = kdb_local(reason2, error, regs, db_result);
+		KDB_DEBUG_STATE("kdb_main_loop 3", result);
+
+		if (result == KDB_CMD_CPU)
+			break;
+
+		if (result == KDB_CMD_SS) {
+			KDB_STATE_SET(DOING_SS);
+			break;
+		}
+
+		if (result == KDB_CMD_SSB) {
+			KDB_STATE_SET(DOING_SS);
+			KDB_STATE_SET(DOING_SSB);
+			break;
+		}
+
+		if (result == KDB_CMD_KGDB) {
+			if (!(KDB_STATE(DOING_KGDB) || KDB_STATE(DOING_KGDB2)))
+				kdb_printf("Entering please attach debugger "
+					   "or use $D#44+ or $3#33\n");
+			break;
+		}
+		if (result && result != 1 && result != KDB_CMD_GO)
+			kdb_printf("\nUnexpected kdb_local return code %d\n",
+				   result);
+		KDB_DEBUG_STATE("kdb_main_loop 4", reason);
+		break;
+	}
+	if (KDB_STATE(DOING_SS))
+		KDB_STATE_CLEAR(SSBPT);
+
+	return result;
+}
+
+/*
+ * kdb_mdr - This function implements the guts of the 'mdr', memory
+ * read command.
+ *	mdr  <addr arg>,<byte count>
+ * Inputs:
+ *	addr	Start address
+ *	count	Number of bytes
+ * Returns:
+ *	Always 0.  Any errors are detected and printed by kdb_getarea.
+ */
+static int kdb_mdr(unsigned long addr, unsigned int count)
+{
+	unsigned char c;
+	while (count--) {
+		if (kdb_getarea(c, addr))
+			return 0;
+		kdb_printf("%02x", c);
+		addr++;
+	}
+	kdb_printf("\n");
+	return 0;
+}
+
+/*
+ * kdb_md - This function implements the 'md', 'md1', 'md2', 'md4',
+ *	'md8' 'mdr' and 'mds' commands.
+ *
+ *	md|mds  [<addr arg> [<line count> [<radix>]]]
+ *	mdWcN	[<addr arg> [<line count> [<radix>]]]
+ *		where W = is the width (1, 2, 4 or 8) and N is the count.
+ *		for eg., md1c20 reads 20 bytes, 1 at a time.
+ *	mdr  <addr arg>,<byte count>
+ */
+static void kdb_md_line(const char *fmtstr, unsigned long addr,
+			int symbolic, int nosect, int bytesperword,
+			int num, int repeat, int phys)
+{
+	/* print just one line of data */
+	kdb_symtab_t symtab;
+	char cbuf[32];
+	char *c = cbuf;
+	int i;
+	unsigned long word;
+
+	memset(cbuf, '\0', sizeof(cbuf));
+	if (phys)
+		kdb_printf("phys " kdb_machreg_fmt0 " ", addr);
+	else
+		kdb_printf(kdb_machreg_fmt0 " ", addr);
+
+	for (i = 0; i < num && repeat--; i++) {
+		if (phys) {
+			if (kdb_getphysword(&word, addr, bytesperword))
+				break;
+		} else if (kdb_getword(&word, addr, bytesperword))
+			break;
+		kdb_printf(fmtstr, word);
+		if (symbolic)
+			kdbnearsym(word, &symtab);
+		else
+			memset(&symtab, 0, sizeof(symtab));
+		if (symtab.sym_name) {
+			kdb_symbol_print(word, &symtab, 0);
+			if (!nosect) {
+				kdb_printf("\n");
+				kdb_printf("                       %s %s "
+					   kdb_machreg_fmt " "
+					   kdb_machreg_fmt " "
+					   kdb_machreg_fmt, symtab.mod_name,
+					   symtab.sec_name, symtab.sec_start,
+					   symtab.sym_start, symtab.sym_end);
+			}
+			addr += bytesperword;
+		} else {
+			union {
+				u64 word;
+				unsigned char c[8];
+			} wc;
+			unsigned char *cp;
+#ifdef	__BIG_ENDIAN
+			cp = wc.c + 8 - bytesperword;
+#else
+			cp = wc.c;
+#endif
+			wc.word = word;
+#define printable_char(c) \
+	({unsigned char __c = c; isascii(__c) && isprint(__c) ? __c : '.'; })
+			switch (bytesperword) {
+			case 8:
+				*c++ = printable_char(*cp++);
+				*c++ = printable_char(*cp++);
+				*c++ = printable_char(*cp++);
+				*c++ = printable_char(*cp++);
+				addr += 4;
+			case 4:
+				*c++ = printable_char(*cp++);
+				*c++ = printable_char(*cp++);
+				addr += 2;
+			case 2:
+				*c++ = printable_char(*cp++);
+				addr++;
+			case 1:
+				*c++ = printable_char(*cp++);
+				addr++;
+				break;
+			}
+#undef printable_char
+		}
+	}
+	kdb_printf("%*s %s\n", (int)((num-i)*(2*bytesperword + 1)+1),
+		   " ", cbuf);
+}
+
+static int kdb_md(int argc, const char **argv)
+{
+	static unsigned long last_addr;
+	static int last_radix, last_bytesperword, last_repeat;
+	int radix = 16, mdcount = 8, bytesperword = KDB_WORD_SIZE, repeat;
+	int nosect = 0;
+	char fmtchar, fmtstr[64];
+	unsigned long addr;
+	unsigned long word;
+	long offset = 0;
+	int symbolic = 0;
+	int valid = 0;
+	int phys = 0;
+
+	kdbgetintenv("MDCOUNT", &mdcount);
+	kdbgetintenv("RADIX", &radix);
+	kdbgetintenv("BYTESPERWORD", &bytesperword);
+
+	/* Assume 'md <addr>' and start with environment values */
+	repeat = mdcount * 16 / bytesperword;
+
+	if (strcmp(argv[0], "mdr") == 0) {
+		if (argc != 2)
+			return KDB_ARGCOUNT;
+		valid = 1;
+	} else if (isdigit(argv[0][2])) {
+		bytesperword = (int)(argv[0][2] - '0');
+		if (bytesperword == 0) {
+			bytesperword = last_bytesperword;
+			if (bytesperword == 0)
+				bytesperword = 4;
+		}
+		last_bytesperword = bytesperword;
+		repeat = mdcount * 16 / bytesperword;
+		if (!argv[0][3])
+			valid = 1;
+		else if (argv[0][3] == 'c' && argv[0][4]) {
+			char *p;
+			repeat = simple_strtoul(argv[0] + 4, &p, 10);
+			mdcount = ((repeat * bytesperword) + 15) / 16;
+			valid = !*p;
+		}
+		last_repeat = repeat;
+	} else if (strcmp(argv[0], "md") == 0)
+		valid = 1;
+	else if (strcmp(argv[0], "mds") == 0)
+		valid = 1;
+	else if (strcmp(argv[0], "mdp") == 0) {
+		phys = valid = 1;
+	}
+	if (!valid)
+		return KDB_NOTFOUND;
+
+	if (argc == 0) {
+		if (last_addr == 0)
+			return KDB_ARGCOUNT;
+		addr = last_addr;
+		radix = last_radix;
+		bytesperword = last_bytesperword;
+		repeat = last_repeat;
+		mdcount = ((repeat * bytesperword) + 15) / 16;
+	}
+
+	if (argc) {
+		unsigned long val;
+		int diag, nextarg = 1;
+		diag = kdbgetaddrarg(argc, argv, &nextarg, &addr,
+				     &offset, NULL);
+		if (diag)
+			return diag;
+		if (argc > nextarg+2)
+			return KDB_ARGCOUNT;
+
+		if (argc >= nextarg) {
+			diag = kdbgetularg(argv[nextarg], &val);
+			if (!diag) {
+				mdcount = (int) val;
+				repeat = mdcount * 16 / bytesperword;
+			}
+		}
+		if (argc >= nextarg+1) {
+			diag = kdbgetularg(argv[nextarg+1], &val);
+			if (!diag)
+				radix = (int) val;
+		}
+	}
+
+	if (strcmp(argv[0], "mdr") == 0)
+		return kdb_mdr(addr, mdcount);
+
+	switch (radix) {
+	case 10:
+		fmtchar = 'd';
+		break;
+	case 16:
+		fmtchar = 'x';
+		break;
+	case 8:
+		fmtchar = 'o';
+		break;
+	default:
+		return KDB_BADRADIX;
+	}
+
+	last_radix = radix;
+
+	if (bytesperword > KDB_WORD_SIZE)
+		return KDB_BADWIDTH;
+
+	switch (bytesperword) {
+	case 8:
+		sprintf(fmtstr, "%%16.16l%c ", fmtchar);
+		break;
+	case 4:
+		sprintf(fmtstr, "%%8.8l%c ", fmtchar);
+		break;
+	case 2:
+		sprintf(fmtstr, "%%4.4l%c ", fmtchar);
+		break;
+	case 1:
+		sprintf(fmtstr, "%%2.2l%c ", fmtchar);
+		break;
+	default:
+		return KDB_BADWIDTH;
+	}
+
+	last_repeat = repeat;
+	last_bytesperword = bytesperword;
+
+	if (strcmp(argv[0], "mds") == 0) {
+		symbolic = 1;
+		/* Do not save these changes as last_*, they are temporary mds
+		 * overrides.
+		 */
+		bytesperword = KDB_WORD_SIZE;
+		repeat = mdcount;
+		kdbgetintenv("NOSECT", &nosect);
+	}
+
+	/* Round address down modulo BYTESPERWORD */
+
+	addr &= ~(bytesperword-1);
+
+	while (repeat > 0) {
+		unsigned long a;
+		int n, z, num = (symbolic ? 1 : (16 / bytesperword));
+
+		if (KDB_FLAG(CMD_INTERRUPT))
+			return 0;
+		for (a = addr, z = 0; z < repeat; a += bytesperword, ++z) {
+			if (phys) {
+				if (kdb_getphysword(&word, a, bytesperword)
+						|| word)
+					break;
+			} else if (kdb_getword(&word, a, bytesperword) || word)
+				break;
+		}
+		n = min(num, repeat);
+		kdb_md_line(fmtstr, addr, symbolic, nosect, bytesperword,
+			    num, repeat, phys);
+		addr += bytesperword * n;
+		repeat -= n;
+		z = (z + num - 1) / num;
+		if (z > 2) {
+			int s = num * (z-2);
+			kdb_printf(kdb_machreg_fmt0 "-" kdb_machreg_fmt0
+				   " zero suppressed\n",
+				addr, addr + bytesperword * s - 1);
+			addr += bytesperword * s;
+			repeat -= s;
+		}
+	}
+	last_addr = addr;
+
+	return 0;
+}
+
+/*
+ * kdb_mm - This function implements the 'mm' command.
+ *	mm address-expression new-value
+ * Remarks:
+ *	mm works on machine words, mmW works on bytes.
+ */
+static int kdb_mm(int argc, const char **argv)
+{
+	int diag;
+	unsigned long addr;
+	long offset = 0;
+	unsigned long contents;
+	int nextarg;
+	int width;
+
+	if (argv[0][2] && !isdigit(argv[0][2]))
+		return KDB_NOTFOUND;
+
+	if (argc < 2)
+		return KDB_ARGCOUNT;
+
+	nextarg = 1;
+	diag = kdbgetaddrarg(argc, argv, &nextarg, &addr, &offset, NULL);
+	if (diag)
+		return diag;
+
+	if (nextarg > argc)
+		return KDB_ARGCOUNT;
+	diag = kdbgetaddrarg(argc, argv, &nextarg, &contents, NULL, NULL);
+	if (diag)
+		return diag;
+
+	if (nextarg != argc + 1)
+		return KDB_ARGCOUNT;
+
+	width = argv[0][2] ? (argv[0][2] - '0') : (KDB_WORD_SIZE);
+	diag = kdb_putword(addr, contents, width);
+	if (diag)
+		return diag;
+
+	kdb_printf(kdb_machreg_fmt " = " kdb_machreg_fmt "\n", addr, contents);
+
+	return 0;
+}
+
+/*
+ * kdb_go - This function implements the 'go' command.
+ *	go [address-expression]
+ */
+static int kdb_go(int argc, const char **argv)
+{
+	unsigned long addr;
+	int diag;
+	int nextarg;
+	long offset;
+
+	if (argc == 1) {
+		if (raw_smp_processor_id() != kdb_initial_cpu) {
+			kdb_printf("go <address> must be issued from the "
+				   "initial cpu, do cpu %d first\n",
+				   kdb_initial_cpu);
+			return KDB_ARGCOUNT;
+		}
+		nextarg = 1;
+		diag = kdbgetaddrarg(argc, argv, &nextarg,
+				     &addr, &offset, NULL);
+		if (diag)
+			return diag;
+	} else if (argc) {
+		return KDB_ARGCOUNT;
+	}
+
+	diag = KDB_CMD_GO;
+	if (KDB_FLAG(CATASTROPHIC)) {
+		kdb_printf("Catastrophic error detected\n");
+		kdb_printf("kdb_continue_catastrophic=%d, ",
+			kdb_continue_catastrophic);
+		if (kdb_continue_catastrophic == 0 && kdb_go_count++ == 0) {
+			kdb_printf("type go a second time if you really want "
+				   "to continue\n");
+			return 0;
+		}
+		if (kdb_continue_catastrophic == 2) {
+			kdb_printf("forcing reboot\n");
+			kdb_reboot(0, NULL);
+		}
+		kdb_printf("attempting to continue\n");
+	}
+	return diag;
+}
+
+/*
+ * kdb_rd - This function implements the 'rd' command.
+ */
+static int kdb_rd(int argc, const char **argv)
+{
+	int diag = kdb_check_regs();
+	if (diag)
+		return diag;
+
+	kdb_dumpregs(kdb_current_regs);
+	return 0;
+}
+
+/*
+ * kdb_rm - This function implements the 'rm' (register modify)  command.
+ *	rm register-name new-contents
+ * Remarks:
+ *	Currently doesn't allow modification of control or
+ *	debug registers.
+ */
+static int kdb_rm(int argc, const char **argv)
+{
+	int diag;
+	int ind = 0;
+	unsigned long contents;
+
+	if (argc != 2)
+		return KDB_ARGCOUNT;
+	/*
+	 * Allow presence or absence of leading '%' symbol.
+	 */
+	if (argv[1][0] == '%')
+		ind = 1;
+
+	diag = kdbgetularg(argv[2], &contents);
+	if (diag)
+		return diag;
+
+	diag = kdb_check_regs();
+	if (diag)
+		return diag;
+	kdb_printf("ERROR: Register set currently not implemented\n");
+	return 0;
+}
+
+#if defined(CONFIG_MAGIC_SYSRQ)
+/*
+ * kdb_sr - This function implements the 'sr' (SYSRQ key) command
+ *	which interfaces to the soi-disant MAGIC SYSRQ functionality.
+ *		sr <magic-sysrq-code>
+ */
+static int kdb_sr(int argc, const char **argv)
+{
+	if (argc != 1)
+		return KDB_ARGCOUNT;
+	sysrq_toggle_support(1);
+	handle_sysrq(*argv[1], NULL);
+
+	return 0;
+}
+#endif	/* CONFIG_MAGIC_SYSRQ */
+
+/*
+ * kdb_ef - This function implements the 'regs' (display exception
+ *	frame) command.  This command takes an address and expects to
+ *	find an exception frame at that address, formats and prints
+ *	it.
+ *		regs address-expression
+ * Remarks:
+ *	Not done yet.
+ */
+static int kdb_ef(int argc, const char **argv)
+{
+	int diag;
+	unsigned long addr;
+	long offset;
+	int nextarg;
+
+	if (argc != 1)
+		return KDB_ARGCOUNT;
+
+	nextarg = 1;
+	diag = kdbgetaddrarg(argc, argv, &nextarg, &addr, &offset, NULL);
+	if (diag)
+		return diag;
+	show_regs((struct pt_regs *)addr);
+	return 0;
+}
+
+#if defined(CONFIG_MODULES)
+/* modules using other modules */
+struct module_use {
+	struct list_head list;
+	struct module *module_which_uses;
+};
+
+/*
+ * kdb_lsmod - This function implements the 'lsmod' command.  Lists
+ *	currently loaded kernel modules.
+ *	Mostly taken from userland lsmod.
+ */
+static int kdb_lsmod(int argc, const char **argv)
+{
+	struct module *mod;
+
+	if (argc != 0)
+		return KDB_ARGCOUNT;
+
+	kdb_printf("Module                  Size  modstruct     Used by\n");
+	list_for_each_entry(mod, kdb_modules, list) {
+
+		kdb_printf("%-20s%8u  0x%p ", mod->name,
+			   mod->core_size, (void *)mod);
+#ifdef CONFIG_MODULE_UNLOAD
+		kdb_printf("%4d ", module_refcount(mod));
+#endif
+		if (mod->state == MODULE_STATE_GOING)
+			kdb_printf(" (Unloading)");
+		else if (mod->state == MODULE_STATE_COMING)
+			kdb_printf(" (Loading)");
+		else
+			kdb_printf(" (Live)");
+
+#ifdef CONFIG_MODULE_UNLOAD
+		{
+			struct module_use *use;
+			kdb_printf(" [ ");
+			list_for_each_entry(use, &mod->modules_which_use_me,
+					    list)
+				kdb_printf("%s ", use->module_which_uses->name);
+			kdb_printf("]\n");
+		}
+#endif
+	}
+
+	return 0;
+}
+
+#endif	/* CONFIG_MODULES */
+
+/*
+ * kdb_env - This function implements the 'env' command.  Display the
+ *	current environment variables.
+ */
+
+static int kdb_env(int argc, const char **argv)
+{
+	int i;
+
+	for (i = 0; i < __nenv; i++) {
+		if (__env[i])
+			kdb_printf("%s\n", __env[i]);
+	}
+
+	if (KDB_DEBUG(MASK))
+		kdb_printf("KDBFLAGS=0x%x\n", kdb_flags);
+
+	return 0;
+}
+
+#ifdef CONFIG_PRINTK
+/*
+ * kdb_dmesg - This function implements the 'dmesg' command to display
+ *	the contents of the syslog buffer.
+ *		dmesg [lines] [adjust]
+ */
+static int kdb_dmesg(int argc, const char **argv)
+{
+	char *syslog_data[4], *start, *end, c = '\0', *p;
+	int diag, logging, logsize, lines = 0, adjust = 0, n;
+
+	if (argc > 2)
+		return KDB_ARGCOUNT;
+	if (argc) {
+		char *cp;
+		lines = simple_strtol(argv[1], &cp, 0);
+		if (*cp)
+			lines = 0;
+		if (argc > 1) {
+			adjust = simple_strtoul(argv[2], &cp, 0);
+			if (*cp || adjust < 0)
+				adjust = 0;
+		}
+	}
+
+	/* disable LOGGING if set */
+	diag = kdbgetintenv("LOGGING", &logging);
+	if (!diag && logging) {
+		const char *setargs[] = { "set", "LOGGING", "0" };
+		kdb_set(2, setargs);
+	}
+
+	/* syslog_data[0,1] physical start, end+1.  syslog_data[2,3]
+	 * logical start, end+1. */
+	kdb_syslog_data(syslog_data);
+	if (syslog_data[2] == syslog_data[3])
+		return 0;
+	logsize = syslog_data[1] - syslog_data[0];
+	start = syslog_data[2];
+	end = syslog_data[3];
+#define KDB_WRAP(p) (((p - syslog_data[0]) % logsize) + syslog_data[0])
+	for (n = 0, p = start; p < end; ++p) {
+		c = *KDB_WRAP(p);
+		if (c == '\n')
+			++n;
+	}
+	if (c != '\n')
+		++n;
+	if (lines < 0) {
+		if (adjust >= n)
+			kdb_printf("buffer only contains %d lines, nothing "
+				   "printed\n", n);
+		else if (adjust - lines >= n)
+			kdb_printf("buffer only contains %d lines, last %d "
+				   "lines printed\n", n, n - adjust);
+		if (adjust) {
+			for (; start < end && adjust; ++start) {
+				if (*KDB_WRAP(start) == '\n')
+					--adjust;
+			}
+			if (start < end)
+				++start;
+		}
+		for (p = start; p < end && lines; ++p) {
+			if (*KDB_WRAP(p) == '\n')
+				++lines;
+		}
+		end = p;
+	} else if (lines > 0) {
+		int skip = n - (adjust + lines);
+		if (adjust >= n) {
+			kdb_printf("buffer only contains %d lines, "
+				   "nothing printed\n", n);
+			skip = n;
+		} else if (skip < 0) {
+			lines += skip;
+			skip = 0;
+			kdb_printf("buffer only contains %d lines, first "
+				   "%d lines printed\n", n, lines);
+		}
+		for (; start < end && skip; ++start) {
+			if (*KDB_WRAP(start) == '\n')
+				--skip;
+		}
+		for (p = start; p < end && lines; ++p) {
+			if (*KDB_WRAP(p) == '\n')
+				--lines;
+		}
+		end = p;
+	}
+	/* Do a line at a time (max 200 chars) to reduce protocol overhead */
+	c = '\n';
+	while (start != end) {
+		char buf[201];
+		p = buf;
+		if (KDB_FLAG(CMD_INTERRUPT))
+			return 0;
+		while (start < end && (c = *KDB_WRAP(start)) &&
+		       (p - buf) < sizeof(buf)-1) {
+			++start;
+			*p++ = c;
+			if (c == '\n')
+				break;
+		}
+		*p = '\0';
+		kdb_printf("%s", buf);
+	}
+	if (c != '\n')
+		kdb_printf("\n");
+
+	return 0;
+}
+#endif /* CONFIG_PRINTK */
+/*
+ * kdb_cpu - This function implements the 'cpu' command.
+ *	cpu	[<cpunum>]
+ * Returns:
+ *	KDB_CMD_CPU for success, a kdb diagnostic if error
+ */
+static void kdb_cpu_status(void)
+{
+	int i, start_cpu, first_print = 1;
+	char state, prev_state = '?';
+
+	kdb_printf("Currently on cpu %d\n", raw_smp_processor_id());
+	kdb_printf("Available cpus: ");
+	for (start_cpu = -1, i = 0; i < NR_CPUS; i++) {
+		if (!cpu_online(i)) {
+			state = 'F';	/* cpu is offline */
+		} else {
+			state = ' ';	/* cpu is responding to kdb */
+			if (kdb_task_state_char(KDB_TSK(i)) == 'I')
+				state = 'I';	/* idle task */
+		}
+		if (state != prev_state) {
+			if (prev_state != '?') {
+				if (!first_print)
+					kdb_printf(", ");
+				first_print = 0;
+				kdb_printf("%d", start_cpu);
+				if (start_cpu < i-1)
+					kdb_printf("-%d", i-1);
+				if (prev_state != ' ')
+					kdb_printf("(%c)", prev_state);
+			}
+			prev_state = state;
+			start_cpu = i;
+		}
+	}
+	/* print the trailing cpus, ignoring them if they are all offline */
+	if (prev_state != 'F') {
+		if (!first_print)
+			kdb_printf(", ");
+		kdb_printf("%d", start_cpu);
+		if (start_cpu < i-1)
+			kdb_printf("-%d", i-1);
+		if (prev_state != ' ')
+			kdb_printf("(%c)", prev_state);
+	}
+	kdb_printf("\n");
+}
+
+static int kdb_cpu(int argc, const char **argv)
+{
+	unsigned long cpunum;
+	int diag;
+
+	if (argc == 0) {
+		kdb_cpu_status();
+		return 0;
+	}
+
+	if (argc != 1)
+		return KDB_ARGCOUNT;
+
+	diag = kdbgetularg(argv[1], &cpunum);
+	if (diag)
+		return diag;
+
+	/*
+	 * Validate cpunum
+	 */
+	if ((cpunum > NR_CPUS) || !cpu_online(cpunum))
+		return KDB_BADCPUNUM;
+
+	dbg_switch_cpu = cpunum;
+
+	/*
+	 * Switch to other cpu
+	 */
+	return KDB_CMD_CPU;
+}
+
+/* The user may not realize that ps/bta with no parameters does not print idle
+ * or sleeping system daemon processes, so tell them how many were suppressed.
+ */
+void kdb_ps_suppressed(void)
+{
+	int idle = 0, daemon = 0;
+	unsigned long mask_I = kdb_task_state_string("I"),
+		      mask_M = kdb_task_state_string("M");
+	unsigned long cpu;
+	const struct task_struct *p, *g;
+	for_each_online_cpu(cpu) {
+		p = kdb_curr_task(cpu);
+		if (kdb_task_state(p, mask_I))
+			++idle;
+	}
+	kdb_do_each_thread(g, p) {
+		if (kdb_task_state(p, mask_M))
+			++daemon;
+	} kdb_while_each_thread(g, p);
+	if (idle || daemon) {
+		if (idle)
+			kdb_printf("%d idle process%s (state I)%s\n",
+				   idle, idle == 1 ? "" : "es",
+				   daemon ? " and " : "");
+		if (daemon)
+			kdb_printf("%d sleeping system daemon (state M) "
+				   "process%s", daemon,
+				   daemon == 1 ? "" : "es");
+		kdb_printf(" suppressed,\nuse 'ps A' to see all.\n");
+	}
+}
+
+/*
+ * kdb_ps - This function implements the 'ps' command which shows a
+ *	list of the active processes.
+ *		ps [DRSTCZEUIMA]   All processes, optionally filtered by state
+ */
+void kdb_ps1(const struct task_struct *p)
+{
+	int cpu;
+	unsigned long tmp;
+
+	if (!p || probe_kernel_read(&tmp, (char *)p, sizeof(unsigned long)))
+		return;
+
+	cpu = kdb_process_cpu(p);
+	kdb_printf("0x%p %8d %8d  %d %4d   %c  0x%p %c%s\n",
+		   (void *)p, p->pid, p->parent->pid,
+		   kdb_task_has_cpu(p), kdb_process_cpu(p),
+		   kdb_task_state_char(p),
+		   (void *)(&p->thread),
+		   p == kdb_curr_task(raw_smp_processor_id()) ? '*' : ' ',
+		   p->comm);
+	if (kdb_task_has_cpu(p)) {
+		if (!KDB_TSK(cpu)) {
+			kdb_printf("  Error: no saved data for this cpu\n");
+		} else {
+			if (KDB_TSK(cpu) != p)
+				kdb_printf("  Error: does not match running "
+				   "process table (0x%p)\n", KDB_TSK(cpu));
+		}
+	}
+}
+
+static int kdb_ps(int argc, const char **argv)
+{
+	struct task_struct *g, *p;
+	unsigned long mask, cpu;
+
+	if (argc == 0)
+		kdb_ps_suppressed();
+	kdb_printf("%-*s      Pid   Parent [*] cpu State %-*s Command\n",
+		(int)(2*sizeof(void *))+2, "Task Addr",
+		(int)(2*sizeof(void *))+2, "Thread");
+	mask = kdb_task_state_string(argc ? argv[1] : NULL);
+	/* Run the active tasks first */
+	for_each_online_cpu(cpu) {
+		if (KDB_FLAG(CMD_INTERRUPT))
+			return 0;
+		p = kdb_curr_task(cpu);
+		if (kdb_task_state(p, mask))
+			kdb_ps1(p);
+	}
+	kdb_printf("\n");
+	/* Now the real tasks */
+	kdb_do_each_thread(g, p) {
+		if (KDB_FLAG(CMD_INTERRUPT))
+			return 0;
+		if (kdb_task_state(p, mask))
+			kdb_ps1(p);
+	} kdb_while_each_thread(g, p);
+
+	return 0;
+}
+
+/*
+ * kdb_pid - This function implements the 'pid' command which switches
+ *	the currently active process.
+ *		pid [<pid> | R]
+ */
+static int kdb_pid(int argc, const char **argv)
+{
+	struct task_struct *p;
+	unsigned long val;
+	int diag;
+
+	if (argc > 1)
+		return KDB_ARGCOUNT;
+
+	if (argc) {
+		if (strcmp(argv[1], "R") == 0) {
+			p = KDB_TSK(kdb_initial_cpu);
+		} else {
+			diag = kdbgetularg(argv[1], &val);
+			if (diag)
+				return KDB_BADINT;
+
+			p = find_task_by_pid_ns((pid_t)val,	&init_pid_ns);
+			if (!p) {
+				kdb_printf("No task with pid=%d\n", (pid_t)val);
+				return 0;
+			}
+		}
+		kdb_set_current_task(p);
+	}
+	kdb_printf("KDB current process is %s(pid=%d)\n",
+		   kdb_current_task->comm,
+		   kdb_current_task->pid);
+
+	return 0;
+}
+
+/*
+ * kdb_ll - This function implements the 'll' command which follows a
+ *	linked list and executes an arbitrary command for each
+ *	element.
+ */
+static int kdb_ll(int argc, const char **argv)
+{
+	int diag;
+	unsigned long addr;
+	long offset = 0;
+	unsigned long va;
+	unsigned long linkoffset;
+	int nextarg;
+	const char *command;
+
+	if (argc != 3)
+		return KDB_ARGCOUNT;
+
+	nextarg = 1;
+	diag = kdbgetaddrarg(argc, argv, &nextarg, &addr, &offset, NULL);
+	if (diag)
+		return diag;
+
+	diag = kdbgetularg(argv[2], &linkoffset);
+	if (diag)
+		return diag;
+
+	/*
+	 * Using the starting address as
+	 * the first element in the list, and assuming that
+	 * the list ends with a null pointer.
+	 */
+
+	va = addr;
+	command = kdb_strdup(argv[3], GFP_KDB);
+	if (!command) {
+		kdb_printf("%s: cannot duplicate command\n", __func__);
+		return 0;
+	}
+	/* Recursive use of kdb_parse, do not use argv after this point */
+	argv = NULL;
+
+	while (va) {
+		char buf[80];
+
+		sprintf(buf, "%s " kdb_machreg_fmt "\n", command, va);
+		diag = kdb_parse(buf);
+		if (diag)
+			return diag;
+
+		addr = va + linkoffset;
+		if (kdb_getword(&va, addr, sizeof(va)))
+			return 0;
+	}
+	kfree(command);
+
+	return 0;
+}
+
+static int kdb_kgdb(int argc, const char **argv)
+{
+	return KDB_CMD_KGDB;
+}
+
+/*
+ * kdb_help - This function implements the 'help' and '?' commands.
+ */
+static int kdb_help(int argc, const char **argv)
+{
+	kdbtab_t *kt;
+	int i;
+
+	kdb_printf("%-15.15s %-20.20s %s\n", "Command", "Usage", "Description");
+	kdb_printf("-----------------------------"
+		   "-----------------------------\n");
+	for_each_kdbcmd(kt, i) {
+		if (kt->cmd_name)
+			kdb_printf("%-15.15s %-20.20s %s\n", kt->cmd_name,
+				   kt->cmd_usage, kt->cmd_help);
+		if (KDB_FLAG(CMD_INTERRUPT))
+			return 0;
+	}
+	return 0;
+}
+
+/*
+ * kdb_kill - This function implements the 'kill' commands.
+ */
+static int kdb_kill(int argc, const char **argv)
+{
+	long sig, pid;
+	char *endp;
+	struct task_struct *p;
+	struct siginfo info;
+
+	if (argc != 2)
+		return KDB_ARGCOUNT;
+
+	sig = simple_strtol(argv[1], &endp, 0);
+	if (*endp)
+		return KDB_BADINT;
+	if (sig >= 0) {
+		kdb_printf("Invalid signal parameter.<-signal>\n");
+		return 0;
+	}
+	sig = -sig;
+
+	pid = simple_strtol(argv[2], &endp, 0);
+	if (*endp)
+		return KDB_BADINT;
+	if (pid <= 0) {
+		kdb_printf("Process ID must be large than 0.\n");
+		return 0;
+	}
+
+	/* Find the process. */
+	p = find_task_by_pid_ns(pid, &init_pid_ns);
+	if (!p) {
+		kdb_printf("The specified process isn't found.\n");
+		return 0;
+	}
+	p = p->group_leader;
+	info.si_signo = sig;
+	info.si_errno = 0;
+	info.si_code = SI_USER;
+	info.si_pid = pid;  /* same capabilities as process being signalled */
+	info.si_uid = 0;    /* kdb has root authority */
+	kdb_send_sig_info(p, &info);
+	return 0;
+}
+
+struct kdb_tm {
+	int tm_sec;	/* seconds */
+	int tm_min;	/* minutes */
+	int tm_hour;	/* hours */
+	int tm_mday;	/* day of the month */
+	int tm_mon;	/* month */
+	int tm_year;	/* year */
+};
+
+static void kdb_gmtime(struct timespec *tv, struct kdb_tm *tm)
+{
+	/* This will work from 1970-2099, 2100 is not a leap year */
+	static int mon_day[] = { 31, 29, 31, 30, 31, 30, 31,
+				 31, 30, 31, 30, 31 };
+	memset(tm, 0, sizeof(*tm));
+	tm->tm_sec  = tv->tv_sec % (24 * 60 * 60);
+	tm->tm_mday = tv->tv_sec / (24 * 60 * 60) +
+		(2 * 365 + 1); /* shift base from 1970 to 1968 */
+	tm->tm_min =  tm->tm_sec / 60 % 60;
+	tm->tm_hour = tm->tm_sec / 60 / 60;
+	tm->tm_sec =  tm->tm_sec % 60;
+	tm->tm_year = 68 + 4*(tm->tm_mday / (4*365+1));
+	tm->tm_mday %= (4*365+1);
+	mon_day[1] = 29;
+	while (tm->tm_mday >= mon_day[tm->tm_mon]) {
+		tm->tm_mday -= mon_day[tm->tm_mon];
+		if (++tm->tm_mon == 12) {
+			tm->tm_mon = 0;
+			++tm->tm_year;
+			mon_day[1] = 28;
+		}
+	}
+	++tm->tm_mday;
+}
+
+/*
+ * Most of this code has been lifted from kernel/timer.c::sys_sysinfo().
+ * I cannot call that code directly from kdb, it has an unconditional
+ * cli()/sti() and calls routines that take locks which can stop the debugger.
+ */
+static void kdb_sysinfo(struct sysinfo *val)
+{
+	struct timespec uptime;
+	do_posix_clock_monotonic_gettime(&uptime);
+	memset(val, 0, sizeof(*val));
+	val->uptime = uptime.tv_sec;
+	val->loads[0] = avenrun[0];
+	val->loads[1] = avenrun[1];
+	val->loads[2] = avenrun[2];
+	val->procs = nr_threads-1;
+	si_meminfo(val);
+
+	return;
+}
+
+/*
+ * kdb_summary - This function implements the 'summary' command.
+ */
+static int kdb_summary(int argc, const char **argv)
+{
+	struct kdb_tm tm;
+	struct sysinfo val;
+
+	if (argc)
+		return KDB_ARGCOUNT;
+
+	kdb_printf("sysname    %s\n", init_uts_ns.name.sysname);
+	kdb_printf("release    %s\n", init_uts_ns.name.release);
+	kdb_printf("version    %s\n", init_uts_ns.name.version);
+	kdb_printf("machine    %s\n", init_uts_ns.name.machine);
+	kdb_printf("nodename   %s\n", init_uts_ns.name.nodename);
+	kdb_printf("domainname %s\n", init_uts_ns.name.domainname);
+	kdb_printf("ccversion  %s\n", __stringify(CCVERSION));
+
+	kdb_gmtime(&xtime, &tm);
+	kdb_printf("date       %04d-%02d-%02d %02d:%02d:%02d "
+		   "tz_minuteswest %d\n",
+		1900+tm.tm_year, tm.tm_mon+1, tm.tm_mday,
+		tm.tm_hour, tm.tm_min, tm.tm_sec,
+		sys_tz.tz_minuteswest);
+
+	kdb_sysinfo(&val);
+	kdb_printf("uptime     ");
+	if (val.uptime > (24*60*60)) {
+		int days = val.uptime / (24*60*60);
+		val.uptime %= (24*60*60);
+		kdb_printf("%d day%s ", days, days == 1 ? "" : "s");
+	}
+	kdb_printf("%02ld:%02ld\n", val.uptime/(60*60), (val.uptime/60)%60);
+
+	/* lifted from fs/proc/proc_misc.c::loadavg_read_proc() */
+
+#define LOAD_INT(x) ((x) >> FSHIFT)
+#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
+	kdb_printf("load avg   %ld.%02ld %ld.%02ld %ld.%02ld\n",
+		LOAD_INT(val.loads[0]), LOAD_FRAC(val.loads[0]),
+		LOAD_INT(val.loads[1]), LOAD_FRAC(val.loads[1]),
+		LOAD_INT(val.loads[2]), LOAD_FRAC(val.loads[2]));
+#undef LOAD_INT
+#undef LOAD_FRAC
+	/* Display in kilobytes */
+#define K(x) ((x) << (PAGE_SHIFT - 10))
+	kdb_printf("\nMemTotal:       %8lu kB\nMemFree:        %8lu kB\n"
+		   "Buffers:        %8lu kB\n",
+		   val.totalram, val.freeram, val.bufferram);
+	return 0;
+}
+
+/*
+ * kdb_per_cpu - This function implements the 'per_cpu' command.
+ */
+static int kdb_per_cpu(int argc, const char **argv)
+{
+	char buf[256], fmtstr[64];
+	kdb_symtab_t symtab;
+	cpumask_t suppress = CPU_MASK_NONE;
+	int cpu, diag;
+	unsigned long addr, val, bytesperword = 0, whichcpu = ~0UL;
+
+	if (argc < 1 || argc > 3)
+		return KDB_ARGCOUNT;
+
+	snprintf(buf, sizeof(buf), "per_cpu__%s", argv[1]);
+	if (!kdbgetsymval(buf, &symtab)) {
+		kdb_printf("%s is not a per_cpu variable\n", argv[1]);
+		return KDB_BADADDR;
+	}
+	if (argc >= 2) {
+		diag = kdbgetularg(argv[2], &bytesperword);
+		if (diag)
+			return diag;
+	}
+	if (!bytesperword)
+		bytesperword = KDB_WORD_SIZE;
+	else if (bytesperword > KDB_WORD_SIZE)
+		return KDB_BADWIDTH;
+	sprintf(fmtstr, "%%0%dlx ", (int)(2*bytesperword));
+	if (argc >= 3) {
+		diag = kdbgetularg(argv[3], &whichcpu);
+		if (diag)
+			return diag;
+		if (!cpu_online(whichcpu)) {
+			kdb_printf("cpu %ld is not online\n", whichcpu);
+			return KDB_BADCPUNUM;
+		}
+	}
+
+	/* Most architectures use __per_cpu_offset[cpu], some use
+	 * __per_cpu_offset(cpu), smp has no __per_cpu_offset.
+	 */
+#ifdef	__per_cpu_offset
+#define KDB_PCU(cpu) __per_cpu_offset(cpu)
+#else
+#ifdef	CONFIG_SMP
+#define KDB_PCU(cpu) __per_cpu_offset[cpu]
+#else
+#define KDB_PCU(cpu) 0
+#endif
+#endif
+
+	for_each_online_cpu(cpu) {
+		if (whichcpu != ~0UL && whichcpu != cpu)
+			continue;
+		addr = symtab.sym_start + KDB_PCU(cpu);
+		diag = kdb_getword(&val, addr, bytesperword);
+		if (diag) {
+			kdb_printf("%5d " kdb_bfd_vma_fmt0 " - unable to "
+				   "read, diag=%d\n", cpu, addr, diag);
+			continue;
+		}
+#ifdef	CONFIG_SMP
+		if (!val) {
+			cpu_set(cpu, suppress);
+			continue;
+		}
+#endif	/* CONFIG_SMP */
+		kdb_printf("%5d ", cpu);
+		kdb_md_line(fmtstr, addr,
+			bytesperword == KDB_WORD_SIZE,
+			1, bytesperword, 1, 1, 0);
+	}
+	if (cpus_weight(suppress) == 0)
+		return 0;
+	kdb_printf("Zero suppressed cpu(s):");
+	for (cpu = first_cpu(suppress); cpu < num_possible_cpus();
+	     cpu = next_cpu(cpu, suppress)) {
+		kdb_printf(" %d", cpu);
+		if (cpu == num_possible_cpus() - 1 ||
+		    next_cpu(cpu, suppress) != cpu + 1)
+			continue;
+		while (cpu < num_possible_cpus() &&
+		       next_cpu(cpu, suppress) == cpu + 1)
+			++cpu;
+		kdb_printf("-%d", cpu);
+	}
+	kdb_printf("\n");
+
+#undef KDB_PCU
+
+	return 0;
+}
+
+/*
+ * display help for the use of cmd | grep pattern
+ */
+static int kdb_grep_help(int argc, const char **argv)
+{
+	kdb_printf("Usage of  cmd args | grep pattern:\n");
+	kdb_printf("  Any command's output may be filtered through an ");
+	kdb_printf("emulated 'pipe'.\n");
+	kdb_printf("  'grep' is just a key word.\n");
+	kdb_printf("  The pattern may include a very limited set of "
+		   "metacharacters:\n");
+	kdb_printf("   pattern or ^pattern or pattern$ or ^pattern$\n");
+	kdb_printf("  And if there are spaces in the pattern, you may "
+		   "quote it:\n");
+	kdb_printf("   \"pat tern\" or \"^pat tern\" or \"pat tern$\""
+		   " or \"^pat tern$\"\n");
+	return 0;
+}
+
+/*
+ * kdb_register_repeat - This function is used to register a kernel
+ * 	debugger command.
+ * Inputs:
+ *	cmd	Command name
+ *	func	Function to execute the command
+ *	usage	A simple usage string showing arguments
+ *	help	A simple help string describing command
+ *	repeat	Does the command auto repeat on enter?
+ * Returns:
+ *	zero for success, one if a duplicate command.
+ */
+#define kdb_command_extend 50	/* arbitrary */
+int kdb_register_repeat(char *cmd,
+			kdb_func_t func,
+			char *usage,
+			char *help,
+			short minlen,
+			kdb_repeat_t repeat)
+{
+	int i;
+	kdbtab_t *kp;
+
+	/*
+	 *  Brute force method to determine duplicates
+	 */
+	for_each_kdbcmd(kp, i) {
+		if (kp->cmd_name && (strcmp(kp->cmd_name, cmd) == 0)) {
+			kdb_printf("Duplicate kdb command registered: "
+				"%s, func %p help %s\n", cmd, func, help);
+			return 1;
+		}
+	}
+
+	/*
+	 * Insert command into first available location in table
+	 */
+	for_each_kdbcmd(kp, i) {
+		if (kp->cmd_name == NULL)
+			break;
+	}
+
+	if (i >= kdb_max_commands) {
+		kdbtab_t *new = kmalloc((kdb_max_commands - KDB_BASE_CMD_MAX +
+			 kdb_command_extend) * sizeof(*new), GFP_KDB);
+		if (!new) {
+			kdb_printf("Could not allocate new kdb_command "
+				   "table\n");
+			return 1;
+		}
+		if (kdb_commands) {
+			memcpy(new, kdb_commands,
+			       kdb_max_commands * sizeof(*new));
+			kfree(kdb_commands);
+		}
+		memset(new + kdb_max_commands, 0,
+		       kdb_command_extend * sizeof(*new));
+		kdb_commands = new;
+		kp = kdb_commands + kdb_max_commands;
+		kdb_max_commands += kdb_command_extend;
+	}
+
+	kp->cmd_name   = cmd;
+	kp->cmd_func   = func;
+	kp->cmd_usage  = usage;
+	kp->cmd_help   = help;
+	kp->cmd_flags  = 0;
+	kp->cmd_minlen = minlen;
+	kp->cmd_repeat = repeat;
+
+	return 0;
+}
+
+/*
+ * kdb_register - Compatibility register function for commands that do
+ *	not need to specify a repeat state.  Equivalent to
+ *	kdb_register_repeat with KDB_REPEAT_NONE.
+ * Inputs:
+ *	cmd	Command name
+ *	func	Function to execute the command
+ *	usage	A simple usage string showing arguments
+ *	help	A simple help string describing command
+ * Returns:
+ *	zero for success, one if a duplicate command.
+ */
+int kdb_register(char *cmd,
+	     kdb_func_t func,
+	     char *usage,
+	     char *help,
+	     short minlen)
+{
+	return kdb_register_repeat(cmd, func, usage, help, minlen,
+				   KDB_REPEAT_NONE);
+}
+
+/*
+ * kdb_unregister - This function is used to unregister a kernel
+ *	debugger command.  It is generally called when a module which
+ *	implements kdb commands is unloaded.
+ * Inputs:
+ *	cmd	Command name
+ * Returns:
+ *	zero for success, one command not registered.
+ */
+int kdb_unregister(char *cmd)
+{
+	int i;
+	kdbtab_t *kp;
+
+	/*
+	 *  find the command.
+	 */
+	for (i = 0, kp = kdb_commands; i < kdb_max_commands; i++, kp++) {
+		if (kp->cmd_name && (strcmp(kp->cmd_name, cmd) == 0)) {
+			kp->cmd_name = NULL;
+			return 0;
+		}
+	}
+
+	/* Couldn't find it.  */
+	return 1;
+}
+
+/* Initialize the kdb command table. */
+static void __init kdb_inittab(void)
+{
+	int i;
+	kdbtab_t *kp;
+
+	for_each_kdbcmd(kp, i)
+		kp->cmd_name = NULL;
+
+	kdb_register_repeat("md", kdb_md, "<vaddr>",
+	  "Display Memory Contents, also mdWcN, e.g. md8c1", 1,
+			    KDB_REPEAT_NO_ARGS);
+	kdb_register_repeat("mdr", kdb_md, "<vaddr> <bytes>",
+	  "Display Raw Memory", 0, KDB_REPEAT_NO_ARGS);
+	kdb_register_repeat("mdp", kdb_md, "<paddr> <bytes>",
+	  "Display Physical Memory", 0, KDB_REPEAT_NO_ARGS);
+	kdb_register_repeat("mds", kdb_md, "<vaddr>",
+	  "Display Memory Symbolically", 0, KDB_REPEAT_NO_ARGS);
+	kdb_register_repeat("mm", kdb_mm, "<vaddr> <contents>",
+	  "Modify Memory Contents", 0, KDB_REPEAT_NO_ARGS);
+	kdb_register_repeat("go", kdb_go, "[<vaddr>]",
+	  "Continue Execution", 1, KDB_REPEAT_NONE);
+	kdb_register_repeat("rd", kdb_rd, "",
+	  "Display Registers", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("rm", kdb_rm, "<reg> <contents>",
+	  "Modify Registers", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("ef", kdb_ef, "<vaddr>",
+	  "Display exception frame", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("bt", kdb_bt, "[<vaddr>]",
+	  "Stack traceback", 1, KDB_REPEAT_NONE);
+	kdb_register_repeat("btp", kdb_bt, "<pid>",
+	  "Display stack for process <pid>", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("bta", kdb_bt, "[DRSTCZEUIMA]",
+	  "Display stack all processes", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("btc", kdb_bt, "",
+	  "Backtrace current process on each cpu", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("btt", kdb_bt, "<vaddr>",
+	  "Backtrace process given its struct task address", 0,
+			    KDB_REPEAT_NONE);
+	kdb_register_repeat("ll", kdb_ll, "<first-element> <linkoffset> <cmd>",
+	  "Execute cmd for each element in linked list", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("env", kdb_env, "",
+	  "Show environment variables", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("set", kdb_set, "",
+	  "Set environment variables", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("help", kdb_help, "",
+	  "Display Help Message", 1, KDB_REPEAT_NONE);
+	kdb_register_repeat("?", kdb_help, "",
+	  "Display Help Message", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("cpu", kdb_cpu, "<cpunum>",
+	  "Switch to new cpu", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("kgdb", kdb_kgdb, "",
+	  "Enter kgdb mode", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("ps", kdb_ps, "[<flags>|A]",
+	  "Display active task list", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("pid", kdb_pid, "<pidnum>",
+	  "Switch to another task", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("reboot", kdb_reboot, "",
+	  "Reboot the machine immediately", 0, KDB_REPEAT_NONE);
+#if defined(CONFIG_MODULES)
+	kdb_register_repeat("lsmod", kdb_lsmod, "",
+	  "List loaded kernel modules", 0, KDB_REPEAT_NONE);
+#endif
+#if defined(CONFIG_MAGIC_SYSRQ)
+	kdb_register_repeat("sr", kdb_sr, "<key>",
+	  "Magic SysRq key", 0, KDB_REPEAT_NONE);
+#endif
+#if defined(CONFIG_PRINTK)
+	kdb_register_repeat("dmesg", kdb_dmesg, "[lines]",
+	  "Display syslog buffer", 0, KDB_REPEAT_NONE);
+#endif
+	kdb_register_repeat("defcmd", kdb_defcmd, "name \"usage\" \"help\"",
+	  "Define a set of commands, down to endefcmd", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("kill", kdb_kill, "<-signal> <pid>",
+	  "Send a signal to a process", 0, KDB_REPEAT_NONE);
+	kdb_register_repeat("summary", kdb_summary, "",
+	  "Summarize the system", 4, KDB_REPEAT_NONE);
+	kdb_register_repeat("per_cpu", kdb_per_cpu, "",
+	  "Display per_cpu variables", 3, KDB_REPEAT_NONE);
+	kdb_register_repeat("grephelp", kdb_grep_help, "",
+	  "Display help on | grep", 0, KDB_REPEAT_NONE);
+}
+
+/* Execute any commands defined in kdb_cmds.  */
+static void __init kdb_cmd_init(void)
+{
+	int i, diag;
+	for (i = 0; kdb_cmds[i]; ++i) {
+		diag = kdb_parse(kdb_cmds[i]);
+		if (diag)
+			kdb_printf("kdb command %s failed, kdb diag %d\n",
+				kdb_cmds[i], diag);
+	}
+	if (defcmd_in_progress) {
+		kdb_printf("Incomplete 'defcmd' set, forcing endefcmd\n");
+		kdb_parse("endefcmd");
+	}
+}
+
+/* Intialize kdb_printf, breakpoint tables and kdb state */
+void __init kdb_init(int lvl)
+{
+	static int kdb_init_lvl = KDB_NOT_INITIALIZED;
+	int i;
+
+	if (kdb_init_lvl == KDB_INIT_FULL || lvl <= kdb_init_lvl)
+		return;
+	for (i = kdb_init_lvl; i < lvl; i++) {
+		switch (i) {
+		case KDB_NOT_INITIALIZED:
+			kdb_inittab();		/* Initialize Command Table */
+			kdb_initbptab();	/* Initialize Breakpoints */
+			break;
+		case KDB_INIT_EARLY:
+			kdb_cmd_init();		/* Build kdb_cmds tables */
+			break;
+		}
+	}
+	kdb_init_lvl = lvl;
+}
diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
new file mode 100644
index 00000000000..69ed2eff3fe
--- /dev/null
+++ b/kernel/debug/kdb/kdb_private.h
@@ -0,0 +1,301 @@
+#ifndef _KDBPRIVATE_H
+#define _KDBPRIVATE_H
+
+/*
+ * Kernel Debugger Architecture Independent Private Headers
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ */
+
+#include <linux/kgdb.h>
+#include "../debug_core.h"
+
+/* Kernel Debugger Error codes.  Must not overlap with command codes. */
+#define KDB_NOTFOUND	(-1)
+#define KDB_ARGCOUNT	(-2)
+#define KDB_BADWIDTH	(-3)
+#define KDB_BADRADIX	(-4)
+#define KDB_NOTENV	(-5)
+#define KDB_NOENVVALUE	(-6)
+#define KDB_NOTIMP	(-7)
+#define KDB_ENVFULL	(-8)
+#define KDB_ENVBUFFULL	(-9)
+#define KDB_TOOMANYBPT	(-10)
+#define KDB_TOOMANYDBREGS (-11)
+#define KDB_DUPBPT	(-12)
+#define KDB_BPTNOTFOUND	(-13)
+#define KDB_BADMODE	(-14)
+#define KDB_BADINT	(-15)
+#define KDB_INVADDRFMT  (-16)
+#define KDB_BADREG      (-17)
+#define KDB_BADCPUNUM   (-18)
+#define KDB_BADLENGTH	(-19)
+#define KDB_NOBP	(-20)
+#define KDB_BADADDR	(-21)
+
+/* Kernel Debugger Command codes.  Must not overlap with error codes. */
+#define KDB_CMD_GO	(-1001)
+#define KDB_CMD_CPU	(-1002)
+#define KDB_CMD_SS	(-1003)
+#define KDB_CMD_SSB	(-1004)
+#define KDB_CMD_KGDB (-1005)
+#define KDB_CMD_KGDB2 (-1006)
+
+/* Internal debug flags */
+#define KDB_DEBUG_FLAG_BP	0x0002	/* Breakpoint subsystem debug */
+#define KDB_DEBUG_FLAG_BB_SUMM	0x0004	/* Basic block analysis, summary only */
+#define KDB_DEBUG_FLAG_AR	0x0008	/* Activation record, generic */
+#define KDB_DEBUG_FLAG_ARA	0x0010	/* Activation record, arch specific */
+#define KDB_DEBUG_FLAG_BB	0x0020	/* All basic block analysis */
+#define KDB_DEBUG_FLAG_STATE	0x0040	/* State flags */
+#define KDB_DEBUG_FLAG_MASK	0xffff	/* All debug flags */
+#define KDB_DEBUG_FLAG_SHIFT	16	/* Shift factor for dbflags */
+
+#define KDB_DEBUG(flag)	(kdb_flags & \
+	(KDB_DEBUG_FLAG_##flag << KDB_DEBUG_FLAG_SHIFT))
+#define KDB_DEBUG_STATE(text, value) if (KDB_DEBUG(STATE)) \
+		kdb_print_state(text, value)
+
+#if BITS_PER_LONG == 32
+
+#define KDB_PLATFORM_ENV	"BYTESPERWORD=4"
+
+#define kdb_machreg_fmt		"0x%lx"
+#define kdb_machreg_fmt0	"0x%08lx"
+#define kdb_bfd_vma_fmt		"0x%lx"
+#define kdb_bfd_vma_fmt0	"0x%08lx"
+#define kdb_elfw_addr_fmt	"0x%x"
+#define kdb_elfw_addr_fmt0	"0x%08x"
+#define kdb_f_count_fmt		"%d"
+
+#elif BITS_PER_LONG == 64
+
+#define KDB_PLATFORM_ENV	"BYTESPERWORD=8"
+
+#define kdb_machreg_fmt		"0x%lx"
+#define kdb_machreg_fmt0	"0x%016lx"
+#define kdb_bfd_vma_fmt		"0x%lx"
+#define kdb_bfd_vma_fmt0	"0x%016lx"
+#define kdb_elfw_addr_fmt	"0x%x"
+#define kdb_elfw_addr_fmt0	"0x%016x"
+#define kdb_f_count_fmt		"%ld"
+
+#endif
+
+/*
+ * KDB_MAXBPT describes the total number of breakpoints
+ * supported by this architecure.
+ */
+#define KDB_MAXBPT	16
+
+/* Maximum number of arguments to a function  */
+#define KDB_MAXARGS    16
+
+typedef enum {
+	KDB_REPEAT_NONE = 0,	/* Do not repeat this command */
+	KDB_REPEAT_NO_ARGS,	/* Repeat the command without arguments */
+	KDB_REPEAT_WITH_ARGS,	/* Repeat the command including its arguments */
+} kdb_repeat_t;
+
+typedef int (*kdb_func_t)(int, const char **);
+
+/* Symbol table format returned by kallsyms. */
+typedef struct __ksymtab {
+		unsigned long value;	/* Address of symbol */
+		const char *mod_name;	/* Module containing symbol or
+					 * "kernel" */
+		unsigned long mod_start;
+		unsigned long mod_end;
+		const char *sec_name;	/* Section containing symbol */
+		unsigned long sec_start;
+		unsigned long sec_end;
+		const char *sym_name;	/* Full symbol name, including
+					 * any version */
+		unsigned long sym_start;
+		unsigned long sym_end;
+		} kdb_symtab_t;
+extern int kallsyms_symbol_next(char *prefix_name, int flag);
+extern int kallsyms_symbol_complete(char *prefix_name, int max_len);
+
+/* Exported Symbols for kernel loadable modules to use. */
+extern int kdb_register(char *, kdb_func_t, char *, char *, short);
+extern int kdb_register_repeat(char *, kdb_func_t, char *, char *,
+			       short, kdb_repeat_t);
+extern int kdb_unregister(char *);
+
+extern int kdb_getarea_size(void *, unsigned long, size_t);
+extern int kdb_putarea_size(unsigned long, void *, size_t);
+
+/*
+ * Like get_user and put_user, kdb_getarea and kdb_putarea take variable
+ * names, not pointers.  The underlying *_size functions take pointers.
+ */
+#define kdb_getarea(x, addr) kdb_getarea_size(&(x), addr, sizeof((x)))
+#define kdb_putarea(addr, x) kdb_putarea_size(addr, &(x), sizeof((x)))
+
+extern int kdb_getphysword(unsigned long *word,
+			unsigned long addr, size_t size);
+extern int kdb_getword(unsigned long *, unsigned long, size_t);
+extern int kdb_putword(unsigned long, unsigned long, size_t);
+
+extern int kdbgetularg(const char *, unsigned long *);
+extern int kdb_set(int, const char **);
+extern char *kdbgetenv(const char *);
+extern int kdbgetintenv(const char *, int *);
+extern int kdbgetaddrarg(int, const char **, int*, unsigned long *,
+			 long *, char **);
+extern int kdbgetsymval(const char *, kdb_symtab_t *);
+extern int kdbnearsym(unsigned long, kdb_symtab_t *);
+extern void kdbnearsym_cleanup(void);
+extern char *kdb_strdup(const char *str, gfp_t type);
+extern void kdb_symbol_print(unsigned long, const kdb_symtab_t *, unsigned int);
+
+/* Routine for debugging the debugger state. */
+extern void kdb_print_state(const char *, int);
+
+extern int kdb_state;
+#define KDB_STATE_KDB		0x00000001	/* Cpu is inside kdb */
+#define KDB_STATE_LEAVING	0x00000002	/* Cpu is leaving kdb */
+#define KDB_STATE_CMD		0x00000004	/* Running a kdb command */
+#define KDB_STATE_KDB_CONTROL	0x00000008	/* This cpu is under
+						 * kdb control */
+#define KDB_STATE_HOLD_CPU	0x00000010	/* Hold this cpu inside kdb */
+#define KDB_STATE_DOING_SS	0x00000020	/* Doing ss command */
+#define KDB_STATE_DOING_SSB	0x00000040	/* Doing ssb command,
+						 * DOING_SS is also set */
+#define KDB_STATE_SSBPT		0x00000080	/* Install breakpoint
+						 * after one ss, independent of
+						 * DOING_SS */
+#define KDB_STATE_REENTRY	0x00000100	/* Valid re-entry into kdb */
+#define KDB_STATE_SUPPRESS	0x00000200	/* Suppress error messages */
+#define KDB_STATE_PAGER		0x00000400	/* pager is available */
+#define KDB_STATE_GO_SWITCH	0x00000800	/* go is switching
+						 * back to initial cpu */
+#define KDB_STATE_PRINTF_LOCK	0x00001000	/* Holds kdb_printf lock */
+#define KDB_STATE_WAIT_IPI	0x00002000	/* Waiting for kdb_ipi() NMI */
+#define KDB_STATE_RECURSE	0x00004000	/* Recursive entry to kdb */
+#define KDB_STATE_IP_ADJUSTED	0x00008000	/* Restart IP has been
+						 * adjusted */
+#define KDB_STATE_GO1		0x00010000	/* go only releases one cpu */
+#define KDB_STATE_KEYBOARD	0x00020000	/* kdb entered via
+						 * keyboard on this cpu */
+#define KDB_STATE_KEXEC		0x00040000	/* kexec issued */
+#define KDB_STATE_DOING_KGDB	0x00080000	/* kgdb enter now issued */
+#define KDB_STATE_DOING_KGDB2	0x00100000	/* kgdb enter now issued */
+#define KDB_STATE_KGDB_TRANS	0x00200000	/* Transition to kgdb */
+#define KDB_STATE_ARCH		0xff000000	/* Reserved for arch
+						 * specific use */
+
+#define KDB_STATE(flag) (kdb_state & KDB_STATE_##flag)
+#define KDB_STATE_SET(flag) ((void)(kdb_state |= KDB_STATE_##flag))
+#define KDB_STATE_CLEAR(flag) ((void)(kdb_state &= ~KDB_STATE_##flag))
+
+extern int kdb_nextline; /* Current number of lines displayed */
+
+typedef struct _kdb_bp {
+	unsigned long	bp_addr;	/* Address breakpoint is present at */
+	unsigned int	bp_free:1;	/* This entry is available */
+	unsigned int	bp_enabled:1;	/* Breakpoint is active in register */
+	unsigned int	bp_type:4;	/* Uses hardware register */
+	unsigned int	bp_installed:1;	/* Breakpoint is installed */
+	unsigned int	bp_delay:1;	/* Do delayed bp handling */
+	unsigned int	bp_delayed:1;	/* Delayed breakpoint */
+	unsigned int	bph_length;	/* HW break length */
+} kdb_bp_t;
+
+#ifdef CONFIG_KGDB_KDB
+extern kdb_bp_t kdb_breakpoints[/* KDB_MAXBPT */];
+
+/* The KDB shell command table */
+typedef struct _kdbtab {
+	char    *cmd_name;		/* Command name */
+	kdb_func_t cmd_func;		/* Function to execute command */
+	char    *cmd_usage;		/* Usage String for this command */
+	char    *cmd_help;		/* Help message for this command */
+	short    cmd_flags;		/* Parsing flags */
+	short    cmd_minlen;		/* Minimum legal # command
+					 * chars required */
+	kdb_repeat_t cmd_repeat;	/* Does command auto repeat on enter? */
+} kdbtab_t;
+
+extern int kdb_bt(int, const char **);	/* KDB display back trace */
+
+/* KDB breakpoint management functions */
+extern void kdb_initbptab(void);
+extern void kdb_bp_install(struct pt_regs *);
+extern void kdb_bp_remove(void);
+
+typedef enum {
+	KDB_DB_BPT,	/* Breakpoint */
+	KDB_DB_SS,	/* Single-step trap */
+	KDB_DB_SSB,	/* Single step to branch */
+	KDB_DB_SSBPT,	/* Single step over breakpoint */
+	KDB_DB_NOBPT	/* Spurious breakpoint */
+} kdb_dbtrap_t;
+
+extern int kdb_main_loop(kdb_reason_t, kdb_reason_t,
+			 int, kdb_dbtrap_t, struct pt_regs *);
+
+/* Miscellaneous functions and data areas */
+extern int kdb_grepping_flag;
+extern char kdb_grep_string[];
+extern int kdb_grep_leading;
+extern int kdb_grep_trailing;
+extern char *kdb_cmds[];
+extern void kdb_syslog_data(char *syslog_data[]);
+extern unsigned long kdb_task_state_string(const char *);
+extern char kdb_task_state_char (const struct task_struct *);
+extern unsigned long kdb_task_state(const struct task_struct *p,
+				    unsigned long mask);
+extern void kdb_ps_suppressed(void);
+extern void kdb_ps1(const struct task_struct *p);
+extern int kdb_parse(const char *cmdstr);
+extern void kdb_print_nameval(const char *name, unsigned long val);
+extern void kdb_send_sig_info(struct task_struct *p, struct siginfo *info);
+extern void kdb_meminfo_proc_show(void);
+extern const char *kdb_walk_kallsyms(loff_t *pos);
+extern char *kdb_getstr(char *, size_t, char *);
+
+/* Defines for kdb_symbol_print */
+#define KDB_SP_SPACEB	0x0001		/* Space before string */
+#define KDB_SP_SPACEA	0x0002		/* Space after string */
+#define KDB_SP_PAREN	0x0004		/* Parenthesis around string */
+#define KDB_SP_VALUE	0x0008		/* Print the value of the address */
+#define KDB_SP_SYMSIZE	0x0010		/* Print the size of the symbol */
+#define KDB_SP_NEWLINE	0x0020		/* Newline after string */
+#define KDB_SP_DEFAULT (KDB_SP_VALUE|KDB_SP_PAREN)
+
+#define KDB_TSK(cpu) kgdb_info[cpu].task
+#define KDB_TSKREGS(cpu) kgdb_info[cpu].debuggerinfo
+
+extern struct task_struct *kdb_curr_task(int);
+
+#define kdb_task_has_cpu(p) (task_curr(p))
+
+/* Simplify coexistence with NPTL */
+#define	kdb_do_each_thread(g, p) do_each_thread(g, p)
+#define	kdb_while_each_thread(g, p) while_each_thread(g, p)
+
+#define GFP_KDB (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
+
+extern void *debug_kmalloc(size_t size, gfp_t flags);
+extern void debug_kfree(void *);
+extern void debug_kusage(void);
+
+extern void kdb_set_current_task(struct task_struct *);
+extern struct task_struct *kdb_current_task;
+#ifdef CONFIG_MODULES
+extern struct list_head *kdb_modules;
+#endif /* CONFIG_MODULES */
+
+extern char kdb_prompt_str[];
+
+#define	KDB_WORD_SIZE	((int)sizeof(unsigned long))
+
+#endif /* CONFIG_KGDB_KDB */
+#endif	/* !_KDBPRIVATE_H */
diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c
new file mode 100644
index 00000000000..45344d5c53d
--- /dev/null
+++ b/kernel/debug/kdb/kdb_support.c
@@ -0,0 +1,927 @@
+/*
+ * Kernel Debugger Architecture Independent Support Functions
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ * 03/02/13    added new 2.5 kallsyms <xavier.bru@bull.net>
+ */
+
+#include <stdarg.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/kallsyms.h>
+#include <linux/stddef.h>
+#include <linux/vmalloc.h>
+#include <linux/ptrace.h>
+#include <linux/module.h>
+#include <linux/highmem.h>
+#include <linux/hardirq.h>
+#include <linux/delay.h>
+#include <linux/uaccess.h>
+#include <linux/kdb.h>
+#include <linux/slab.h>
+#include "kdb_private.h"
+
+/*
+ * kdbgetsymval - Return the address of the given symbol.
+ *
+ * Parameters:
+ *	symname	Character string containing symbol name
+ *      symtab  Structure to receive results
+ * Returns:
+ *	0	Symbol not found, symtab zero filled
+ *	1	Symbol mapped to module/symbol/section, data in symtab
+ */
+int kdbgetsymval(const char *symname, kdb_symtab_t *symtab)
+{
+	if (KDB_DEBUG(AR))
+		kdb_printf("kdbgetsymval: symname=%s, symtab=%p\n", symname,
+			   symtab);
+	memset(symtab, 0, sizeof(*symtab));
+	symtab->sym_start = kallsyms_lookup_name(symname);
+	if (symtab->sym_start) {
+		if (KDB_DEBUG(AR))
+			kdb_printf("kdbgetsymval: returns 1, "
+				   "symtab->sym_start=0x%lx\n",
+				   symtab->sym_start);
+		return 1;
+	}
+	if (KDB_DEBUG(AR))
+		kdb_printf("kdbgetsymval: returns 0\n");
+	return 0;
+}
+EXPORT_SYMBOL(kdbgetsymval);
+
+static char *kdb_name_table[100];	/* arbitrary size */
+
+/*
+ * kdbnearsym -	Return the name of the symbol with the nearest address
+ *	less than 'addr'.
+ *
+ * Parameters:
+ *	addr	Address to check for symbol near
+ *	symtab  Structure to receive results
+ * Returns:
+ *	0	No sections contain this address, symtab zero filled
+ *	1	Address mapped to module/symbol/section, data in symtab
+ * Remarks:
+ *	2.6 kallsyms has a "feature" where it unpacks the name into a
+ *	string.  If that string is reused before the caller expects it
+ *	then the caller sees its string change without warning.  To
+ *	avoid cluttering up the main kdb code with lots of kdb_strdup,
+ *	tests and kfree calls, kdbnearsym maintains an LRU list of the
+ *	last few unique strings.  The list is sized large enough to
+ *	hold active strings, no kdb caller of kdbnearsym makes more
+ *	than ~20 later calls before using a saved value.
+ */
+int kdbnearsym(unsigned long addr, kdb_symtab_t *symtab)
+{
+	int ret = 0;
+	unsigned long symbolsize;
+	unsigned long offset;
+#define knt1_size 128		/* must be >= kallsyms table size */
+	char *knt1 = NULL;
+
+	if (KDB_DEBUG(AR))
+		kdb_printf("kdbnearsym: addr=0x%lx, symtab=%p\n", addr, symtab);
+	memset(symtab, 0, sizeof(*symtab));
+
+	if (addr < 4096)
+		goto out;
+	knt1 = debug_kmalloc(knt1_size, GFP_ATOMIC);
+	if (!knt1) {
+		kdb_printf("kdbnearsym: addr=0x%lx cannot kmalloc knt1\n",
+			   addr);
+		goto out;
+	}
+	symtab->sym_name = kallsyms_lookup(addr, &symbolsize , &offset,
+				(char **)(&symtab->mod_name), knt1);
+	if (offset > 8*1024*1024) {
+		symtab->sym_name = NULL;
+		addr = offset = symbolsize = 0;
+	}
+	symtab->sym_start = addr - offset;
+	symtab->sym_end = symtab->sym_start + symbolsize;
+	ret = symtab->sym_name != NULL && *(symtab->sym_name) != '\0';
+
+	if (ret) {
+		int i;
+		/* Another 2.6 kallsyms "feature".  Sometimes the sym_name is
+		 * set but the buffer passed into kallsyms_lookup is not used,
+		 * so it contains garbage.  The caller has to work out which
+		 * buffer needs to be saved.
+		 *
+		 * What was Rusty smoking when he wrote that code?
+		 */
+		if (symtab->sym_name != knt1) {
+			strncpy(knt1, symtab->sym_name, knt1_size);
+			knt1[knt1_size-1] = '\0';
+		}
+		for (i = 0; i < ARRAY_SIZE(kdb_name_table); ++i) {
+			if (kdb_name_table[i] &&
+			    strcmp(kdb_name_table[i], knt1) == 0)
+				break;
+		}
+		if (i >= ARRAY_SIZE(kdb_name_table)) {
+			debug_kfree(kdb_name_table[0]);
+			memcpy(kdb_name_table, kdb_name_table+1,
+			       sizeof(kdb_name_table[0]) *
+			       (ARRAY_SIZE(kdb_name_table)-1));
+		} else {
+			debug_kfree(knt1);
+			knt1 = kdb_name_table[i];
+			memcpy(kdb_name_table+i, kdb_name_table+i+1,
+			       sizeof(kdb_name_table[0]) *
+			       (ARRAY_SIZE(kdb_name_table)-i-1));
+		}
+		i = ARRAY_SIZE(kdb_name_table) - 1;
+		kdb_name_table[i] = knt1;
+		symtab->sym_name = kdb_name_table[i];
+		knt1 = NULL;
+	}
+
+	if (symtab->mod_name == NULL)
+		symtab->mod_name = "kernel";
+	if (KDB_DEBUG(AR))
+		kdb_printf("kdbnearsym: returns %d symtab->sym_start=0x%lx, "
+		   "symtab->mod_name=%p, symtab->sym_name=%p (%s)\n", ret,
+		   symtab->sym_start, symtab->mod_name, symtab->sym_name,
+		   symtab->sym_name);
+
+out:
+	debug_kfree(knt1);
+	return ret;
+}
+
+void kdbnearsym_cleanup(void)
+{
+	int i;
+	for (i = 0; i < ARRAY_SIZE(kdb_name_table); ++i) {
+		if (kdb_name_table[i]) {
+			debug_kfree(kdb_name_table[i]);
+			kdb_name_table[i] = NULL;
+		}
+	}
+}
+
+static char ks_namebuf[KSYM_NAME_LEN+1], ks_namebuf_prev[KSYM_NAME_LEN+1];
+
+/*
+ * kallsyms_symbol_complete
+ *
+ * Parameters:
+ *	prefix_name	prefix of a symbol name to lookup
+ *	max_len		maximum length that can be returned
+ * Returns:
+ *	Number of symbols which match the given prefix.
+ * Notes:
+ *	prefix_name is changed to contain the longest unique prefix that
+ *	starts with this prefix (tab completion).
+ */
+int kallsyms_symbol_complete(char *prefix_name, int max_len)
+{
+	loff_t pos = 0;
+	int prefix_len = strlen(prefix_name), prev_len = 0;
+	int i, number = 0;
+	const char *name;
+
+	while ((name = kdb_walk_kallsyms(&pos))) {
+		if (strncmp(name, prefix_name, prefix_len) == 0) {
+			strcpy(ks_namebuf, name);
+			/* Work out the longest name that matches the prefix */
+			if (++number == 1) {
+				prev_len = min_t(int, max_len-1,
+						 strlen(ks_namebuf));
+				memcpy(ks_namebuf_prev, ks_namebuf, prev_len);
+				ks_namebuf_prev[prev_len] = '\0';
+				continue;
+			}
+			for (i = 0; i < prev_len; i++) {
+				if (ks_namebuf[i] != ks_namebuf_prev[i]) {
+					prev_len = i;
+					ks_namebuf_prev[i] = '\0';
+					break;
+				}
+			}
+		}
+	}
+	if (prev_len > prefix_len)
+		memcpy(prefix_name, ks_namebuf_prev, prev_len+1);
+	return number;
+}
+
+/*
+ * kallsyms_symbol_next
+ *
+ * Parameters:
+ *	prefix_name	prefix of a symbol name to lookup
+ *	flag	0 means search from the head, 1 means continue search.
+ * Returns:
+ *	1 if a symbol matches the given prefix.
+ *	0 if no string found
+ */
+int kallsyms_symbol_next(char *prefix_name, int flag)
+{
+	int prefix_len = strlen(prefix_name);
+	static loff_t pos;
+	const char *name;
+
+	if (!flag)
+		pos = 0;
+
+	while ((name = kdb_walk_kallsyms(&pos))) {
+		if (strncmp(name, prefix_name, prefix_len) == 0) {
+			strncpy(prefix_name, name, strlen(name)+1);
+			return 1;
+		}
+	}
+	return 0;
+}
+
+/*
+ * kdb_symbol_print - Standard method for printing a symbol name and offset.
+ * Inputs:
+ *	addr	Address to be printed.
+ *	symtab	Address of symbol data, if NULL this routine does its
+ *		own lookup.
+ *	punc	Punctuation for string, bit field.
+ * Remarks:
+ *	The string and its punctuation is only printed if the address
+ *	is inside the kernel, except that the value is always printed
+ *	when requested.
+ */
+void kdb_symbol_print(unsigned long addr, const kdb_symtab_t *symtab_p,
+		      unsigned int punc)
+{
+	kdb_symtab_t symtab, *symtab_p2;
+	if (symtab_p) {
+		symtab_p2 = (kdb_symtab_t *)symtab_p;
+	} else {
+		symtab_p2 = &symtab;
+		kdbnearsym(addr, symtab_p2);
+	}
+	if (!(symtab_p2->sym_name || (punc & KDB_SP_VALUE)))
+		return;
+	if (punc & KDB_SP_SPACEB)
+		kdb_printf(" ");
+	if (punc & KDB_SP_VALUE)
+		kdb_printf(kdb_machreg_fmt0, addr);
+	if (symtab_p2->sym_name) {
+		if (punc & KDB_SP_VALUE)
+			kdb_printf(" ");
+		if (punc & KDB_SP_PAREN)
+			kdb_printf("(");
+		if (strcmp(symtab_p2->mod_name, "kernel"))
+			kdb_printf("[%s]", symtab_p2->mod_name);
+		kdb_printf("%s", symtab_p2->sym_name);
+		if (addr != symtab_p2->sym_start)
+			kdb_printf("+0x%lx", addr - symtab_p2->sym_start);
+		if (punc & KDB_SP_SYMSIZE)
+			kdb_printf("/0x%lx",
+				   symtab_p2->sym_end - symtab_p2->sym_start);
+		if (punc & KDB_SP_PAREN)
+			kdb_printf(")");
+	}
+	if (punc & KDB_SP_SPACEA)
+		kdb_printf(" ");
+	if (punc & KDB_SP_NEWLINE)
+		kdb_printf("\n");
+}
+
+/*
+ * kdb_strdup - kdb equivalent of strdup, for disasm code.
+ * Inputs:
+ *	str	The string to duplicate.
+ *	type	Flags to kmalloc for the new string.
+ * Returns:
+ *	Address of the new string, NULL if storage could not be allocated.
+ * Remarks:
+ *	This is not in lib/string.c because it uses kmalloc which is not
+ *	available when string.o is used in boot loaders.
+ */
+char *kdb_strdup(const char *str, gfp_t type)
+{
+	int n = strlen(str)+1;
+	char *s = kmalloc(n, type);
+	if (!s)
+		return NULL;
+	return strcpy(s, str);
+}
+
+/*
+ * kdb_getarea_size - Read an area of data.  The kdb equivalent of
+ *	copy_from_user, with kdb messages for invalid addresses.
+ * Inputs:
+ *	res	Pointer to the area to receive the result.
+ *	addr	Address of the area to copy.
+ *	size	Size of the area.
+ * Returns:
+ *	0 for success, < 0 for error.
+ */
+int kdb_getarea_size(void *res, unsigned long addr, size_t size)
+{
+	int ret = probe_kernel_read((char *)res, (char *)addr, size);
+	if (ret) {
+		if (!KDB_STATE(SUPPRESS)) {
+			kdb_printf("kdb_getarea: Bad address 0x%lx\n", addr);
+			KDB_STATE_SET(SUPPRESS);
+		}
+		ret = KDB_BADADDR;
+	} else {
+		KDB_STATE_CLEAR(SUPPRESS);
+	}
+	return ret;
+}
+
+/*
+ * kdb_putarea_size - Write an area of data.  The kdb equivalent of
+ *	copy_to_user, with kdb messages for invalid addresses.
+ * Inputs:
+ *	addr	Address of the area to write to.
+ *	res	Pointer to the area holding the data.
+ *	size	Size of the area.
+ * Returns:
+ *	0 for success, < 0 for error.
+ */
+int kdb_putarea_size(unsigned long addr, void *res, size_t size)
+{
+	int ret = probe_kernel_read((char *)addr, (char *)res, size);
+	if (ret) {
+		if (!KDB_STATE(SUPPRESS)) {
+			kdb_printf("kdb_putarea: Bad address 0x%lx\n", addr);
+			KDB_STATE_SET(SUPPRESS);
+		}
+		ret = KDB_BADADDR;
+	} else {
+		KDB_STATE_CLEAR(SUPPRESS);
+	}
+	return ret;
+}
+
+/*
+ * kdb_getphys - Read data from a physical address. Validate the
+ * 	address is in range, use kmap_atomic() to get data
+ * 	similar to kdb_getarea() - but for phys addresses
+ * Inputs:
+ * 	res	Pointer to the word to receive the result
+ * 	addr	Physical address of the area to copy
+ * 	size	Size of the area
+ * Returns:
+ *	0 for success, < 0 for error.
+ */
+static int kdb_getphys(void *res, unsigned long addr, size_t size)
+{
+	unsigned long pfn;
+	void *vaddr;
+	struct page *page;
+
+	pfn = (addr >> PAGE_SHIFT);
+	if (!pfn_valid(pfn))
+		return 1;
+	page = pfn_to_page(pfn);
+	vaddr = kmap_atomic(page, KM_KDB);
+	memcpy(res, vaddr + (addr & (PAGE_SIZE - 1)), size);
+	kunmap_atomic(vaddr, KM_KDB);
+
+	return 0;
+}
+
+/*
+ * kdb_getphysword
+ * Inputs:
+ *	word	Pointer to the word to receive the result.
+ *	addr	Address of the area to copy.
+ *	size	Size of the area.
+ * Returns:
+ *	0 for success, < 0 for error.
+ */
+int kdb_getphysword(unsigned long *word, unsigned long addr, size_t size)
+{
+	int diag;
+	__u8  w1;
+	__u16 w2;
+	__u32 w4;
+	__u64 w8;
+	*word = 0;	/* Default value if addr or size is invalid */
+
+	switch (size) {
+	case 1:
+		diag = kdb_getphys(&w1, addr, sizeof(w1));
+		if (!diag)
+			*word = w1;
+		break;
+	case 2:
+		diag = kdb_getphys(&w2, addr, sizeof(w2));
+		if (!diag)
+			*word = w2;
+		break;
+	case 4:
+		diag = kdb_getphys(&w4, addr, sizeof(w4));
+		if (!diag)
+			*word = w4;
+		break;
+	case 8:
+		if (size <= sizeof(*word)) {
+			diag = kdb_getphys(&w8, addr, sizeof(w8));
+			if (!diag)
+				*word = w8;
+			break;
+		}
+		/* drop through */
+	default:
+		diag = KDB_BADWIDTH;
+		kdb_printf("kdb_getphysword: bad width %ld\n", (long) size);
+	}
+	return diag;
+}
+
+/*
+ * kdb_getword - Read a binary value.  Unlike kdb_getarea, this treats
+ *	data as numbers.
+ * Inputs:
+ *	word	Pointer to the word to receive the result.
+ *	addr	Address of the area to copy.
+ *	size	Size of the area.
+ * Returns:
+ *	0 for success, < 0 for error.
+ */
+int kdb_getword(unsigned long *word, unsigned long addr, size_t size)
+{
+	int diag;
+	__u8  w1;
+	__u16 w2;
+	__u32 w4;
+	__u64 w8;
+	*word = 0;	/* Default value if addr or size is invalid */
+	switch (size) {
+	case 1:
+		diag = kdb_getarea(w1, addr);
+		if (!diag)
+			*word = w1;
+		break;
+	case 2:
+		diag = kdb_getarea(w2, addr);
+		if (!diag)
+			*word = w2;
+		break;
+	case 4:
+		diag = kdb_getarea(w4, addr);
+		if (!diag)
+			*word = w4;
+		break;
+	case 8:
+		if (size <= sizeof(*word)) {
+			diag = kdb_getarea(w8, addr);
+			if (!diag)
+				*word = w8;
+			break;
+		}
+		/* drop through */
+	default:
+		diag = KDB_BADWIDTH;
+		kdb_printf("kdb_getword: bad width %ld\n", (long) size);
+	}
+	return diag;
+}
+
+/*
+ * kdb_putword - Write a binary value.  Unlike kdb_putarea, this
+ *	treats data as numbers.
+ * Inputs:
+ *	addr	Address of the area to write to..
+ *	word	The value to set.
+ *	size	Size of the area.
+ * Returns:
+ *	0 for success, < 0 for error.
+ */
+int kdb_putword(unsigned long addr, unsigned long word, size_t size)
+{
+	int diag;
+	__u8  w1;
+	__u16 w2;
+	__u32 w4;
+	__u64 w8;
+	switch (size) {
+	case 1:
+		w1 = word;
+		diag = kdb_putarea(addr, w1);
+		break;
+	case 2:
+		w2 = word;
+		diag = kdb_putarea(addr, w2);
+		break;
+	case 4:
+		w4 = word;
+		diag = kdb_putarea(addr, w4);
+		break;
+	case 8:
+		if (size <= sizeof(word)) {
+			w8 = word;
+			diag = kdb_putarea(addr, w8);
+			break;
+		}
+		/* drop through */
+	default:
+		diag = KDB_BADWIDTH;
+		kdb_printf("kdb_putword: bad width %ld\n", (long) size);
+	}
+	return diag;
+}
+
+/*
+ * kdb_task_state_string - Convert a string containing any of the
+ *	letters DRSTCZEUIMA to a mask for the process state field and
+ *	return the value.  If no argument is supplied, return the mask
+ *	that corresponds to environment variable PS, DRSTCZEU by
+ *	default.
+ * Inputs:
+ *	s	String to convert
+ * Returns:
+ *	Mask for process state.
+ * Notes:
+ *	The mask folds data from several sources into a single long value, so
+ *	be carefull not to overlap the bits.  TASK_* bits are in the LSB,
+ *	special cases like UNRUNNABLE are in the MSB.  As of 2.6.10-rc1 there
+ *	is no overlap between TASK_* and EXIT_* but that may not always be
+ *	true, so EXIT_* bits are shifted left 16 bits before being stored in
+ *	the mask.
+ */
+
+/* unrunnable is < 0 */
+#define UNRUNNABLE	(1UL << (8*sizeof(unsigned long) - 1))
+#define RUNNING		(1UL << (8*sizeof(unsigned long) - 2))
+#define IDLE		(1UL << (8*sizeof(unsigned long) - 3))
+#define DAEMON		(1UL << (8*sizeof(unsigned long) - 4))
+
+unsigned long kdb_task_state_string(const char *s)
+{
+	long res = 0;
+	if (!s) {
+		s = kdbgetenv("PS");
+		if (!s)
+			s = "DRSTCZEU";	/* default value for ps */
+	}
+	while (*s) {
+		switch (*s) {
+		case 'D':
+			res |= TASK_UNINTERRUPTIBLE;
+			break;
+		case 'R':
+			res |= RUNNING;
+			break;
+		case 'S':
+			res |= TASK_INTERRUPTIBLE;
+			break;
+		case 'T':
+			res |= TASK_STOPPED;
+			break;
+		case 'C':
+			res |= TASK_TRACED;
+			break;
+		case 'Z':
+			res |= EXIT_ZOMBIE << 16;
+			break;
+		case 'E':
+			res |= EXIT_DEAD << 16;
+			break;
+		case 'U':
+			res |= UNRUNNABLE;
+			break;
+		case 'I':
+			res |= IDLE;
+			break;
+		case 'M':
+			res |= DAEMON;
+			break;
+		case 'A':
+			res = ~0UL;
+			break;
+		default:
+			  kdb_printf("%s: unknown flag '%c' ignored\n",
+				     __func__, *s);
+			  break;
+		}
+		++s;
+	}
+	return res;
+}
+
+/*
+ * kdb_task_state_char - Return the character that represents the task state.
+ * Inputs:
+ *	p	struct task for the process
+ * Returns:
+ *	One character to represent the task state.
+ */
+char kdb_task_state_char (const struct task_struct *p)
+{
+	int cpu;
+	char state;
+	unsigned long tmp;
+
+	if (!p || probe_kernel_read(&tmp, (char *)p, sizeof(unsigned long)))
+		return 'E';
+
+	cpu = kdb_process_cpu(p);
+	state = (p->state == 0) ? 'R' :
+		(p->state < 0) ? 'U' :
+		(p->state & TASK_UNINTERRUPTIBLE) ? 'D' :
+		(p->state & TASK_STOPPED) ? 'T' :
+		(p->state & TASK_TRACED) ? 'C' :
+		(p->exit_state & EXIT_ZOMBIE) ? 'Z' :
+		(p->exit_state & EXIT_DEAD) ? 'E' :
+		(p->state & TASK_INTERRUPTIBLE) ? 'S' : '?';
+	if (p->pid == 0) {
+		/* Idle task.  Is it really idle, apart from the kdb
+		 * interrupt? */
+		if (!kdb_task_has_cpu(p) || kgdb_info[cpu].irq_depth == 1) {
+			if (cpu != kdb_initial_cpu)
+				state = 'I';	/* idle task */
+		}
+	} else if (!p->mm && state == 'S') {
+		state = 'M';	/* sleeping system daemon */
+	}
+	return state;
+}
+
+/*
+ * kdb_task_state - Return true if a process has the desired state
+ *	given by the mask.
+ * Inputs:
+ *	p	struct task for the process
+ *	mask	mask from kdb_task_state_string to select processes
+ * Returns:
+ *	True if the process matches at least one criteria defined by the mask.
+ */
+unsigned long kdb_task_state(const struct task_struct *p, unsigned long mask)
+{
+	char state[] = { kdb_task_state_char(p), '\0' };
+	return (mask & kdb_task_state_string(state)) != 0;
+}
+
+/*
+ * kdb_print_nameval - Print a name and its value, converting the
+ *	value to a symbol lookup if possible.
+ * Inputs:
+ *	name	field name to print
+ *	val	value of field
+ */
+void kdb_print_nameval(const char *name, unsigned long val)
+{
+	kdb_symtab_t symtab;
+	kdb_printf("  %-11.11s ", name);
+	if (kdbnearsym(val, &symtab))
+		kdb_symbol_print(val, &symtab,
+				 KDB_SP_VALUE|KDB_SP_SYMSIZE|KDB_SP_NEWLINE);
+	else
+		kdb_printf("0x%lx\n", val);
+}
+
+/* Last ditch allocator for debugging, so we can still debug even when
+ * the GFP_ATOMIC pool has been exhausted.  The algorithms are tuned
+ * for space usage, not for speed.  One smallish memory pool, the free
+ * chain is always in ascending address order to allow coalescing,
+ * allocations are done in brute force best fit.
+ */
+
+struct debug_alloc_header {
+	u32 next;	/* offset of next header from start of pool */
+	u32 size;
+	void *caller;
+};
+
+/* The memory returned by this allocator must be aligned, which means
+ * so must the header size.  Do not assume that sizeof(struct
+ * debug_alloc_header) is a multiple of the alignment, explicitly
+ * calculate the overhead of this header, including the alignment.
+ * The rest of this code must not use sizeof() on any header or
+ * pointer to a header.
+ */
+#define dah_align 8
+#define dah_overhead ALIGN(sizeof(struct debug_alloc_header), dah_align)
+
+static u64 debug_alloc_pool_aligned[256*1024/dah_align];	/* 256K pool */
+static char *debug_alloc_pool = (char *)debug_alloc_pool_aligned;
+static u32 dah_first, dah_first_call = 1, dah_used, dah_used_max;
+
+/* Locking is awkward.  The debug code is called from all contexts,
+ * including non maskable interrupts.  A normal spinlock is not safe
+ * in NMI context.  Try to get the debug allocator lock, if it cannot
+ * be obtained after a second then give up.  If the lock could not be
+ * previously obtained on this cpu then only try once.
+ *
+ * sparse has no annotation for "this function _sometimes_ acquires a
+ * lock", so fudge the acquire/release notation.
+ */
+static DEFINE_SPINLOCK(dap_lock);
+static int get_dap_lock(void)
+	__acquires(dap_lock)
+{
+	static int dap_locked = -1;
+	int count;
+	if (dap_locked == smp_processor_id())
+		count = 1;
+	else
+		count = 1000;
+	while (1) {
+		if (spin_trylock(&dap_lock)) {
+			dap_locked = -1;
+			return 1;
+		}
+		if (!count--)
+			break;
+		udelay(1000);
+	}
+	dap_locked = smp_processor_id();
+	__acquire(dap_lock);
+	return 0;
+}
+
+void *debug_kmalloc(size_t size, gfp_t flags)
+{
+	unsigned int rem, h_offset;
+	struct debug_alloc_header *best, *bestprev, *prev, *h;
+	void *p = NULL;
+	if (!get_dap_lock()) {
+		__release(dap_lock);	/* we never actually got it */
+		return NULL;
+	}
+	h = (struct debug_alloc_header *)(debug_alloc_pool + dah_first);
+	if (dah_first_call) {
+		h->size = sizeof(debug_alloc_pool_aligned) - dah_overhead;
+		dah_first_call = 0;
+	}
+	size = ALIGN(size, dah_align);
+	prev = best = bestprev = NULL;
+	while (1) {
+		if (h->size >= size && (!best || h->size < best->size)) {
+			best = h;
+			bestprev = prev;
+			if (h->size == size)
+				break;
+		}
+		if (!h->next)
+			break;
+		prev = h;
+		h = (struct debug_alloc_header *)(debug_alloc_pool + h->next);
+	}
+	if (!best)
+		goto out;
+	rem = best->size - size;
+	/* The pool must always contain at least one header */
+	if (best->next == 0 && bestprev == NULL && rem < dah_overhead)
+		goto out;
+	if (rem >= dah_overhead) {
+		best->size = size;
+		h_offset = ((char *)best - debug_alloc_pool) +
+			   dah_overhead + best->size;
+		h = (struct debug_alloc_header *)(debug_alloc_pool + h_offset);
+		h->size = rem - dah_overhead;
+		h->next = best->next;
+	} else
+		h_offset = best->next;
+	best->caller = __builtin_return_address(0);
+	dah_used += best->size;
+	dah_used_max = max(dah_used, dah_used_max);
+	if (bestprev)
+		bestprev->next = h_offset;
+	else
+		dah_first = h_offset;
+	p = (char *)best + dah_overhead;
+	memset(p, POISON_INUSE, best->size - 1);
+	*((char *)p + best->size - 1) = POISON_END;
+out:
+	spin_unlock(&dap_lock);
+	return p;
+}
+
+void debug_kfree(void *p)
+{
+	struct debug_alloc_header *h;
+	unsigned int h_offset;
+	if (!p)
+		return;
+	if ((char *)p < debug_alloc_pool ||
+	    (char *)p >= debug_alloc_pool + sizeof(debug_alloc_pool_aligned)) {
+		kfree(p);
+		return;
+	}
+	if (!get_dap_lock()) {
+		__release(dap_lock);	/* we never actually got it */
+		return;		/* memory leak, cannot be helped */
+	}
+	h = (struct debug_alloc_header *)((char *)p - dah_overhead);
+	memset(p, POISON_FREE, h->size - 1);
+	*((char *)p + h->size - 1) = POISON_END;
+	h->caller = NULL;
+	dah_used -= h->size;
+	h_offset = (char *)h - debug_alloc_pool;
+	if (h_offset < dah_first) {
+		h->next = dah_first;
+		dah_first = h_offset;
+	} else {
+		struct debug_alloc_header *prev;
+		unsigned int prev_offset;
+		prev = (struct debug_alloc_header *)(debug_alloc_pool +
+						     dah_first);
+		while (1) {
+			if (!prev->next || prev->next > h_offset)
+				break;
+			prev = (struct debug_alloc_header *)
+				(debug_alloc_pool + prev->next);
+		}
+		prev_offset = (char *)prev - debug_alloc_pool;
+		if (prev_offset + dah_overhead + prev->size == h_offset) {
+			prev->size += dah_overhead + h->size;
+			memset(h, POISON_FREE, dah_overhead - 1);
+			*((char *)h + dah_overhead - 1) = POISON_END;
+			h = prev;
+			h_offset = prev_offset;
+		} else {
+			h->next = prev->next;
+			prev->next = h_offset;
+		}
+	}
+	if (h_offset + dah_overhead + h->size == h->next) {
+		struct debug_alloc_header *next;
+		next = (struct debug_alloc_header *)
+			(debug_alloc_pool + h->next);
+		h->size += dah_overhead + next->size;
+		h->next = next->next;
+		memset(next, POISON_FREE, dah_overhead - 1);
+		*((char *)next + dah_overhead - 1) = POISON_END;
+	}
+	spin_unlock(&dap_lock);
+}
+
+void debug_kusage(void)
+{
+	struct debug_alloc_header *h_free, *h_used;
+#ifdef	CONFIG_IA64
+	/* FIXME: using dah for ia64 unwind always results in a memory leak.
+	 * Fix that memory leak first, then set debug_kusage_one_time = 1 for
+	 * all architectures.
+	 */
+	static int debug_kusage_one_time;
+#else
+	static int debug_kusage_one_time = 1;
+#endif
+	if (!get_dap_lock()) {
+		__release(dap_lock);	/* we never actually got it */
+		return;
+	}
+	h_free = (struct debug_alloc_header *)(debug_alloc_pool + dah_first);
+	if (dah_first == 0 &&
+	    (h_free->size == sizeof(debug_alloc_pool_aligned) - dah_overhead ||
+	     dah_first_call))
+		goto out;
+	if (!debug_kusage_one_time)
+		goto out;
+	debug_kusage_one_time = 0;
+	kdb_printf("%s: debug_kmalloc memory leak dah_first %d\n",
+		   __func__, dah_first);
+	if (dah_first) {
+		h_used = (struct debug_alloc_header *)debug_alloc_pool;
+		kdb_printf("%s: h_used %p size %d\n", __func__, h_used,
+			   h_used->size);
+	}
+	do {
+		h_used = (struct debug_alloc_header *)
+			  ((char *)h_free + dah_overhead + h_free->size);
+		kdb_printf("%s: h_used %p size %d caller %p\n",
+			   __func__, h_used, h_used->size, h_used->caller);
+		h_free = (struct debug_alloc_header *)
+			  (debug_alloc_pool + h_free->next);
+	} while (h_free->next);
+	h_used = (struct debug_alloc_header *)
+		  ((char *)h_free + dah_overhead + h_free->size);
+	if ((char *)h_used - debug_alloc_pool !=
+	    sizeof(debug_alloc_pool_aligned))
+		kdb_printf("%s: h_used %p size %d caller %p\n",
+			   __func__, h_used, h_used->size, h_used->caller);
+out:
+	spin_unlock(&dap_lock);
+}
+
+/* Maintain a small stack of kdb_flags to allow recursion without disturbing
+ * the global kdb state.
+ */
+
+static int kdb_flags_stack[4], kdb_flags_index;
+
+void kdb_save_flags(void)
+{
+	BUG_ON(kdb_flags_index >= ARRAY_SIZE(kdb_flags_stack));
+	kdb_flags_stack[kdb_flags_index++] = kdb_flags;
+}
+
+void kdb_restore_flags(void)
+{
+	BUG_ON(kdb_flags_index <= 0);
+	kdb_flags = kdb_flags_stack[--kdb_flags_index];
+}

From 67fc4e0cb931d6b4ccf21248e4199b154478ecea Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:21 -0500
Subject: [PATCH 2412/3638] kdb: core for kgdb back end (2 of 2)

This patch contains the hooks and instrumentation into kernel which
live outside the kernel/debug directory, which the kdb core
will call to run commands like lsmod, dmesg, bt etc...

CC: linux-arch@vger.kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Martin Hicks <mort@sgi.com>
---
 arch/arm/include/asm/kmap_types.h     |  1 +
 arch/powerpc/include/asm/kmap_types.h |  1 +
 include/asm-generic/kmap_types.h      |  3 +-
 init/main.c                           |  2 ++
 kernel/kallsyms.c                     | 21 ++++++++++++++
 kernel/module.c                       |  4 +++
 kernel/printk.c                       | 16 +++++++++++
 kernel/sched.c                        |  7 +++--
 kernel/signal.c                       | 40 +++++++++++++++++++++++++++
 9 files changed, 92 insertions(+), 3 deletions(-)

diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
index c4b2ea3fbe4..e51b1e81df0 100644
--- a/arch/arm/include/asm/kmap_types.h
+++ b/arch/arm/include/asm/kmap_types.h
@@ -20,6 +20,7 @@ enum km_type {
 	KM_SOFTIRQ1,
 	KM_L1_CACHE,
 	KM_L2_CACHE,
+	KM_KDB,
 	KM_TYPE_NR
 };
 
diff --git a/arch/powerpc/include/asm/kmap_types.h b/arch/powerpc/include/asm/kmap_types.h
index 916369575c9..bca8fdcd254 100644
--- a/arch/powerpc/include/asm/kmap_types.h
+++ b/arch/powerpc/include/asm/kmap_types.h
@@ -26,6 +26,7 @@ enum km_type {
 	KM_SOFTIRQ1,
 	KM_PPC_SYNC_PAGE,
 	KM_PPC_SYNC_ICACHE,
+	KM_KDB,
 	KM_TYPE_NR
 };
 
diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h
index e5f234a0854..97e807c8c81 100644
--- a/include/asm-generic/kmap_types.h
+++ b/include/asm-generic/kmap_types.h
@@ -28,7 +28,8 @@ KMAP_D(15)	KM_UML_USERCOPY,
 KMAP_D(16)	KM_IRQ_PTE,
 KMAP_D(17)	KM_NMI,
 KMAP_D(18)	KM_NMI_PTE,
-KMAP_D(19)	KM_TYPE_NR
+KMAP_D(19)	KM_KDB,
+KMAP_D(20)	KM_TYPE_NR
 };
 
 #undef KMAP_D
diff --git a/init/main.c b/init/main.c
index 5c854027152..372771333d9 100644
--- a/init/main.c
+++ b/init/main.c
@@ -62,6 +62,7 @@
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <linux/idr.h>
+#include <linux/kdb.h>
 #include <linux/ftrace.h>
 #include <linux/async.h>
 #include <linux/kmemcheck.h>
@@ -675,6 +676,7 @@ asmlinkage void __init start_kernel(void)
 	buffer_init();
 	key_init();
 	security_init();
+	kdb_init(KDB_INIT_FULL);
 	vfs_caches_init(totalram_pages);
 	signals_init();
 	/* rootfs populating might need page-writeback */
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 13aff293f4d..6f6d091b575 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -16,6 +16,7 @@
 #include <linux/init.h>
 #include <linux/seq_file.h>
 #include <linux/fs.h>
+#include <linux/kdb.h>
 #include <linux/err.h>
 #include <linux/proc_fs.h>
 #include <linux/sched.h>	/* for cond_resched */
@@ -516,6 +517,26 @@ static int kallsyms_open(struct inode *inode, struct file *file)
 	return ret;
 }
 
+#ifdef	CONFIG_KGDB_KDB
+const char *kdb_walk_kallsyms(loff_t *pos)
+{
+	static struct kallsym_iter kdb_walk_kallsyms_iter;
+	if (*pos == 0) {
+		memset(&kdb_walk_kallsyms_iter, 0,
+		       sizeof(kdb_walk_kallsyms_iter));
+		reset_iter(&kdb_walk_kallsyms_iter, 0);
+	}
+	while (1) {
+		if (!update_iter(&kdb_walk_kallsyms_iter, *pos))
+			return NULL;
+		++*pos;
+		/* Some debugging symbols have no name.  Ignore them. */
+		if (kdb_walk_kallsyms_iter.name[0])
+			return kdb_walk_kallsyms_iter.name;
+	}
+}
+#endif	/* CONFIG_KGDB_KDB */
+
 static const struct file_operations kallsyms_operations = {
 	.open = kallsyms_open,
 	.read = seq_read,
diff --git a/kernel/module.c b/kernel/module.c
index e2564580f3f..b751f190247 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -77,6 +77,10 @@
 DEFINE_MUTEX(module_mutex);
 EXPORT_SYMBOL_GPL(module_mutex);
 static LIST_HEAD(modules);
+#ifdef CONFIG_KGDB_KDB
+struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */
+#endif /* CONFIG_KGDB_KDB */
+
 
 /* Block module loading/unloading? */
 int modules_disabled = 0;
diff --git a/kernel/printk.c b/kernel/printk.c
index 75077ad0b53..9213b8b5bb4 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -413,6 +413,22 @@ SYSCALL_DEFINE3(syslog, int, type, char __user *, buf, int, len)
 	return do_syslog(type, buf, len, SYSLOG_FROM_CALL);
 }
 
+#ifdef	CONFIG_KGDB_KDB
+/* kdb dmesg command needs access to the syslog buffer.  do_syslog()
+ * uses locks so it cannot be used during debugging.  Just tell kdb
+ * where the start and end of the physical and logical logs are.  This
+ * is equivalent to do_syslog(3).
+ */
+void kdb_syslog_data(char *syslog_data[4])
+{
+	syslog_data[0] = log_buf;
+	syslog_data[1] = log_buf + log_buf_len;
+	syslog_data[2] = log_buf + log_end -
+		(logged_chars < log_buf_len ? logged_chars : log_buf_len);
+	syslog_data[3] = log_buf + log_end;
+}
+#endif	/* CONFIG_KGDB_KDB */
+
 /*
  * Call the console drivers on a range of log_buf
  */
diff --git a/kernel/sched.c b/kernel/sched.c
index 1d93cd0ae4d..a25c1324af5 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7758,9 +7758,9 @@ void normalize_rt_tasks(void)
 
 #endif /* CONFIG_MAGIC_SYSRQ */
 
-#ifdef CONFIG_IA64
+#if defined(CONFIG_IA64) || defined(CONFIG_KGDB_KDB)
 /*
- * These functions are only useful for the IA64 MCA handling.
+ * These functions are only useful for the IA64 MCA handling, or kdb.
  *
  * They can only be called when the whole system has been
  * stopped - every CPU needs to be quiescent, and no scheduling
@@ -7780,6 +7780,9 @@ struct task_struct *curr_task(int cpu)
 	return cpu_curr(cpu);
 }
 
+#endif /* defined(CONFIG_IA64) || defined(CONFIG_KGDB_KDB) */
+
+#ifdef CONFIG_IA64
 /**
  * set_curr_task - set the current task for a given cpu.
  * @cpu: the processor in question.
diff --git a/kernel/signal.c b/kernel/signal.c
index dbd7fe073c5..825a3f24ad7 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2735,3 +2735,43 @@ void __init signals_init(void)
 {
 	sigqueue_cachep = KMEM_CACHE(sigqueue, SLAB_PANIC);
 }
+
+#ifdef CONFIG_KGDB_KDB
+#include <linux/kdb.h>
+/*
+ * kdb_send_sig_info - Allows kdb to send signals without exposing
+ * signal internals.  This function checks if the required locks are
+ * available before calling the main signal code, to avoid kdb
+ * deadlocks.
+ */
+void
+kdb_send_sig_info(struct task_struct *t, struct siginfo *info)
+{
+	static struct task_struct *kdb_prev_t;
+	int sig, new_t;
+	if (!spin_trylock(&t->sighand->siglock)) {
+		kdb_printf("Can't do kill command now.\n"
+			   "The sigmask lock is held somewhere else in "
+			   "kernel, try again later\n");
+		return;
+	}
+	spin_unlock(&t->sighand->siglock);
+	new_t = kdb_prev_t != t;
+	kdb_prev_t = t;
+	if (t->state != TASK_RUNNING && new_t) {
+		kdb_printf("Process is not RUNNING, sending a signal from "
+			   "kdb risks deadlock\n"
+			   "on the run queue locks. "
+			   "The signal has _not_ been sent.\n"
+			   "Reissue the kill command if you want to risk "
+			   "the deadlock.\n");
+		return;
+	}
+	sig = info->si_signo;
+	if (send_sig_info(sig, info, t))
+		kdb_printf("Fail to deliver Signal %d to process %d.\n",
+			   sig, t->pid);
+	else
+		kdb_printf("Signal %d is sent to process %d.\n", sig, t->pid);
+}
+#endif	/* CONFIG_KGDB_KDB */

From dcc7871128e99458ca86186b7bc8bf27ff0c47b5 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:21 -0500
Subject: [PATCH 2413/3638] kgdb: core changes to support kdb

These are the minimum changes to the kgdb core in order to enable an
API to connect a new front end (kdb) to the debug core.

This patch introduces the dbg_kdb_mode variable controls where the
user level I/O is routed.  It will be routed to the gdbstub (kgdb) or
to the kdb front end which is a simple shell available over the kgdboc
connection.

You can switch back and forth between kdb or the gdb stub mode of
operation dynamically.  From gdb stub mode you can blindly type
"$3#33", or from the kdb mode you can enter "kgdb" to switch to the
gdb stub.

The logic in the debug core depends on kdb to look for the typical gdb
connection sequences and return immediately with KGDB_PASS_EVENT if a
gdb serial command sequence is detected.  That should allow a
reasonably seamless transition between kdb -> gdb without leaving the
kernel exception state.  The two gdb serial queries that kdb is
responsible for detecting are the "?" and "qSupported" packets.

CC: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Martin Hicks <mort@sgi.com>
---
 arch/arm/kernel/kgdb.c     |   5 ++
 arch/mips/kernel/kgdb.c    |   5 ++
 arch/powerpc/kernel/kgdb.c |   5 ++
 arch/x86/kernel/kgdb.c     |   5 ++
 include/linux/kgdb.h       |  11 +++-
 kernel/debug/debug_core.c  | 107 +++++++++++++++++++++++++++++++------
 kernel/debug/debug_core.h  |  24 +++++++++
 kernel/debug/gdbstub.c     |  36 +++++++++++++
 lib/Kconfig.kgdb           |   8 ++-
 9 files changed, 186 insertions(+), 20 deletions(-)

diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index a5b846b9895..c868a886411 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -98,6 +98,11 @@ sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *task)
 	gdb_regs[_CPSR]		= thread_regs->ARM_cpsr;
 }
 
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc)
+{
+	regs->ARM_pc = pc;
+}
+
 static int compiled_break;
 
 int kgdb_arch_handle_exception(int exception_vector, int signo,
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index 50c9bb88066..6ed4c83c869 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -180,6 +180,11 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
 	*(ptr++) = regs->cp0_epc;
 }
 
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc)
+{
+	regs->cp0_epc = pc;
+}
+
 /*
  * Calls linux_debug_hook before the kernel dies. If KGDB is enabled,
  * then try to fall into the debugger
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 41bada0298c..c81e3de1306 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -309,6 +309,11 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 	       (unsigned long)(((void *)gdb_regs) + NUMREGBYTES));
 }
 
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc)
+{
+	regs->nip = pc;
+}
+
 /*
  * This function does PowerPC specific procesing for interfacing to gdb.
  */
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index b2258ca9100..f95a2c0b915 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -690,6 +690,11 @@ unsigned long kgdb_arch_pc(int exception, struct pt_regs *regs)
 	return instruction_pointer(regs);
 }
 
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
+{
+	regs->ip = ip;
+}
+
 struct kgdb_arch arch_kgdb_ops = {
 	/* Breakpoint instruction: */
 	.gdb_bpt_instr		= { 0xcc },
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 4830142ec33..5b37df00000 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -16,10 +16,12 @@
 #include <linux/serial_8250.h>
 #include <linux/linkage.h>
 #include <linux/init.h>
-
 #include <asm/atomic.h>
+#ifdef CONFIG_HAVE_ARCH_KGDB
 #include <asm/kgdb.h>
+#endif
 
+#ifdef CONFIG_KGDB
 struct pt_regs;
 
 /**
@@ -262,6 +264,7 @@ extern struct kgdb_arch		arch_kgdb_ops;
 
 extern unsigned long __weak kgdb_arch_pc(int exception, struct pt_regs *regs);
 
+extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc);
 extern int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops);
 extern void kgdb_unregister_io_module(struct kgdb_io *local_kgdb_io_ops);
 extern struct kgdb_io *dbg_io_ops;
@@ -279,5 +282,9 @@ extern int kgdb_nmicallback(int cpu, void *regs);
 
 extern int			kgdb_single_step;
 extern atomic_t			kgdb_active;
-
+#define in_dbg_master() \
+	(raw_smp_processor_id() == atomic_read(&kgdb_active))
+#else /* ! CONFIG_KGDB */
+#define in_dbg_master() (0)
+#endif /* ! CONFIG_KGDB */
 #endif /* _KGDB_H_ */
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 7e03969330b..6e1fa829fde 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -43,6 +43,7 @@
 #include <linux/sysrq.h>
 #include <linux/init.h>
 #include <linux/kgdb.h>
+#include <linux/kdb.h>
 #include <linux/pid.h>
 #include <linux/smp.h>
 #include <linux/mm.h>
@@ -77,6 +78,11 @@ static DEFINE_SPINLOCK(kgdb_registration_lock);
 static int kgdb_con_registered;
 /* determine if kgdb console output should be used */
 static int kgdb_use_con;
+/* Next cpu to become the master debug core */
+int dbg_switch_cpu;
+
+/* Use kdb or gdbserver mode */
+static int dbg_kdb_mode = 1;
 
 static int __init opt_kgdb_con(char *str)
 {
@@ -100,6 +106,7 @@ static struct kgdb_bkpt		kgdb_break[KGDB_MAX_BREAKPOINTS] = {
  * The CPU# of the active CPU, or -1 if none:
  */
 atomic_t			kgdb_active = ATOMIC_INIT(-1);
+EXPORT_SYMBOL_GPL(kgdb_active);
 
 /*
  * We use NR_CPUs not PERCPU, in case kgdb is used to debug early
@@ -301,7 +308,7 @@ int dbg_set_sw_break(unsigned long addr)
 	return 0;
 }
 
-static int kgdb_deactivate_sw_breakpoints(void)
+int dbg_deactivate_sw_breakpoints(void)
 {
 	unsigned long addr;
 	int error;
@@ -395,8 +402,14 @@ static int kgdb_io_ready(int print_wait)
 		return 1;
 	if (atomic_read(&kgdb_setting_breakpoint))
 		return 1;
-	if (print_wait)
+	if (print_wait) {
+#ifdef CONFIG_KGDB_KDB
+		if (!dbg_kdb_mode)
+			printk(KERN_CRIT "KGDB: waiting... or $3#33 for KDB\n");
+#else
 		printk(KERN_CRIT "KGDB: Waiting for remote debugger\n");
+#endif
+	}
 	return 1;
 }
 
@@ -410,7 +423,7 @@ static int kgdb_reenter_check(struct kgdb_state *ks)
 	/* Panic on recursive debugger calls: */
 	exception_level++;
 	addr = kgdb_arch_pc(ks->ex_vector, ks->linux_regs);
-	kgdb_deactivate_sw_breakpoints();
+	dbg_deactivate_sw_breakpoints();
 
 	/*
 	 * If the break point removed ok at the place exception
@@ -443,11 +456,24 @@ static int kgdb_reenter_check(struct kgdb_state *ks)
 	return 1;
 }
 
+static void dbg_cpu_switch(int cpu, int next_cpu)
+{
+	/* Mark the cpu we are switching away from as a slave when it
+	 * holds the kgdb_active token.  This must be done so that the
+	 * that all the cpus wait in for the debug core will not enter
+	 * again as the master. */
+	if (cpu == atomic_read(&kgdb_active)) {
+		kgdb_info[cpu].exception_state |= DCPU_IS_SLAVE;
+		kgdb_info[cpu].exception_state &= ~DCPU_WANT_MASTER;
+	}
+	kgdb_info[next_cpu].exception_state |= DCPU_NEXT_MASTER;
+}
+
 static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
 {
 	unsigned long flags;
 	int sstep_tries = 100;
-	int error = 0;
+	int error;
 	int i, cpu;
 	int trace_on = 0;
 acquirelock:
@@ -460,6 +486,8 @@ acquirelock:
 	cpu = ks->cpu;
 	kgdb_info[cpu].debuggerinfo = regs;
 	kgdb_info[cpu].task = current;
+	kgdb_info[cpu].ret_state = 0;
+	kgdb_info[cpu].irq_depth = hardirq_count() >> HARDIRQ_SHIFT;
 	/*
 	 * Make sure the above info reaches the primary CPU before
 	 * our cpu_in_kgdb[] flag setting does:
@@ -471,7 +499,11 @@ acquirelock:
 	 * master cpu and acquire the kgdb_active lock:
 	 */
 	while (1) {
-		if (kgdb_info[cpu].exception_state & DCPU_WANT_MASTER) {
+cpu_loop:
+		if (kgdb_info[cpu].exception_state & DCPU_NEXT_MASTER) {
+			kgdb_info[cpu].exception_state &= ~DCPU_NEXT_MASTER;
+			goto cpu_master_loop;
+		} else if (kgdb_info[cpu].exception_state & DCPU_WANT_MASTER) {
 			if (atomic_cmpxchg(&kgdb_active, -1, cpu) == cpu)
 				break;
 		} else if (kgdb_info[cpu].exception_state & DCPU_IS_SLAVE) {
@@ -513,7 +545,7 @@ return_normal:
 	}
 
 	if (!kgdb_io_ready(1)) {
-		error = 1;
+		kgdb_info[cpu].ret_state = 1;
 		goto kgdb_restore; /* No I/O connection, resume the system */
 	}
 
@@ -548,7 +580,7 @@ return_normal:
 	 * Wait for the other CPUs to be notified and be waiting for us:
 	 */
 	for_each_online_cpu(i) {
-		while (!atomic_read(&cpu_in_kgdb[i]))
+		while (kgdb_do_roundup && !atomic_read(&cpu_in_kgdb[i]))
 			cpu_relax();
 	}
 
@@ -557,7 +589,7 @@ return_normal:
 	 * in the debugger and all secondary CPUs are quiescent
 	 */
 	kgdb_post_primary_code(ks->linux_regs, ks->ex_vector, ks->err_code);
-	kgdb_deactivate_sw_breakpoints();
+	dbg_deactivate_sw_breakpoints();
 	kgdb_single_step = 0;
 	kgdb_contthread = current;
 	exception_level = 0;
@@ -565,8 +597,26 @@ return_normal:
 	if (trace_on)
 		tracing_off();
 
-	/* Talk to debugger with gdbserial protocol */
-	error = gdb_serial_stub(ks);
+	while (1) {
+cpu_master_loop:
+		if (dbg_kdb_mode) {
+			kgdb_connected = 1;
+			error = kdb_stub(ks);
+		} else {
+			error = gdb_serial_stub(ks);
+		}
+
+		if (error == DBG_PASS_EVENT) {
+			dbg_kdb_mode = !dbg_kdb_mode;
+			kgdb_connected = 0;
+		} else if (error == DBG_SWITCH_CPU_EVENT) {
+			dbg_cpu_switch(cpu, dbg_switch_cpu);
+			goto cpu_loop;
+		} else {
+			kgdb_info[cpu].ret_state = error;
+			break;
+		}
+	}
 
 	/* Call the I/O driver's post_exception routine */
 	if (dbg_io_ops->post_exception)
@@ -578,11 +628,16 @@ return_normal:
 		for (i = NR_CPUS-1; i >= 0; i--)
 			atomic_dec(&passive_cpu_wait[i]);
 		/*
-		 * Wait till all the CPUs have quit
-		 * from the debugger.
+		 * Wait till all the CPUs have quit from the debugger,
+		 * but allow a CPU that hit an exception and is
+		 * waiting to become the master to remain in the debug
+		 * core.
 		 */
 		for_each_online_cpu(i) {
-			while (atomic_read(&cpu_in_kgdb[i]))
+			while (kgdb_do_roundup &&
+			       atomic_read(&cpu_in_kgdb[i]) &&
+			       !(kgdb_info[i].exception_state &
+				 DCPU_WANT_MASTER))
 				cpu_relax();
 		}
 	}
@@ -603,7 +658,7 @@ kgdb_restore:
 	clocksource_touch_watchdog();
 	local_irq_restore(flags);
 
-	return error;
+	return kgdb_info[cpu].ret_state;
 }
 
 /*
@@ -632,7 +687,8 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
 		return 0; /* Ouch, double exception ! */
 	kgdb_info[ks->cpu].exception_state |= DCPU_WANT_MASTER;
 	ret = kgdb_cpu_enter(ks, regs);
-	kgdb_info[ks->cpu].exception_state &= ~DCPU_WANT_MASTER;
+	kgdb_info[ks->cpu].exception_state &= ~(DCPU_WANT_MASTER |
+						DCPU_IS_SLAVE);
 	return ret;
 }
 
@@ -665,7 +721,7 @@ static void kgdb_console_write(struct console *co, const char *s,
 
 	/* If we're debugging, or KGDB has not connected, don't try
 	 * and print. */
-	if (!kgdb_connected || atomic_read(&kgdb_active) != -1)
+	if (!kgdb_connected || atomic_read(&kgdb_active) != -1 || dbg_kdb_mode)
 		return;
 
 	local_irq_save(flags);
@@ -687,8 +743,14 @@ static void sysrq_handle_dbg(int key, struct tty_struct *tty)
 		printk(KERN_CRIT "ERROR: No KGDB I/O module available\n");
 		return;
 	}
-	if (!kgdb_connected)
+	if (!kgdb_connected) {
+#ifdef CONFIG_KGDB_KDB
+		if (!dbg_kdb_mode)
+			printk(KERN_CRIT "KGDB or $3#33 for KDB\n");
+#else
 		printk(KERN_CRIT "Entering KGDB\n");
+#endif
+	}
 
 	kgdb_breakpoint();
 }
@@ -817,6 +879,16 @@ void kgdb_unregister_io_module(struct kgdb_io *old_dbg_io_ops)
 }
 EXPORT_SYMBOL_GPL(kgdb_unregister_io_module);
 
+int dbg_io_get_char(void)
+{
+	int ret = dbg_io_ops->read_char();
+	if (!dbg_kdb_mode)
+		return ret;
+	if (ret == 127)
+		return 8;
+	return ret;
+}
+
 /**
  * kgdb_breakpoint - generate breakpoint exception
  *
@@ -839,6 +911,7 @@ static int __init opt_kgdb_wait(char *str)
 {
 	kgdb_break_asap = 1;
 
+	kdb_init(KDB_INIT_EARLY);
 	if (kgdb_io_module_registered)
 		kgdb_initial_breakpoint();
 
diff --git a/kernel/debug/debug_core.h b/kernel/debug/debug_core.h
index db554f9be51..44cf3de8cf9 100644
--- a/kernel/debug/debug_core.h
+++ b/kernel/debug/debug_core.h
@@ -38,6 +38,8 @@ struct debuggerinfo_struct {
 	void			*debuggerinfo;
 	struct task_struct	*task;
 	int			exception_state;
+	int			ret_state;
+	int			irq_depth;
 };
 
 extern struct debuggerinfo_struct kgdb_info[];
@@ -47,9 +49,31 @@ extern int dbg_remove_all_break(void);
 extern int dbg_set_sw_break(unsigned long addr);
 extern int dbg_remove_sw_break(unsigned long addr);
 extern int dbg_activate_sw_breakpoints(void);
+extern int dbg_deactivate_sw_breakpoints(void);
+
+/* polled character access to i/o module */
+extern int dbg_io_get_char(void);
+
+/* stub return value for switching between the gdbstub and kdb */
+#define DBG_PASS_EVENT -12345
+/* Switch from one cpu to another */
+#define DBG_SWITCH_CPU_EVENT -123456
+extern int dbg_switch_cpu;
 
 /* gdbstub interface functions */
 extern int gdb_serial_stub(struct kgdb_state *ks);
 extern void gdbstub_msg_write(const char *s, int len);
 
+/* gdbstub functions used for kdb <-> gdbstub transition */
+extern int gdbstub_state(struct kgdb_state *ks, char *cmd);
+
+#ifdef CONFIG_KGDB_KDB
+extern int kdb_stub(struct kgdb_state *ks);
+#else /* ! CONFIG_KGDB_KDB */
+static inline int kdb_stub(struct kgdb_state *ks)
+{
+	return DBG_PASS_EVENT;
+}
+#endif /* CONFIG_KGDB_KDB */
+
 #endif /* _DEBUG_CORE_H_ */
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c
index ccdf0929f12..188203a1965 100644
--- a/kernel/debug/gdbstub.c
+++ b/kernel/debug/gdbstub.c
@@ -887,6 +887,13 @@ int gdb_serial_stub(struct kgdb_state *ks)
 		case 'Z': /* Break point set */
 			gdb_cmd_break(ks);
 			break;
+#ifdef CONFIG_KGDB_KDB
+		case '3': /* Escape into back into kdb */
+			if (remcom_in_buffer[1] == '\0') {
+				gdb_cmd_detachkill(ks);
+				return DBG_PASS_EVENT;
+			}
+#endif
 		case 'C': /* Exception passing */
 			tmp = gdb_cmd_exception_pass(ks);
 			if (tmp > 0)
@@ -932,3 +939,32 @@ kgdb_exit:
 		error = 1;
 	return error;
 }
+
+int gdbstub_state(struct kgdb_state *ks, char *cmd)
+{
+	int error;
+
+	switch (cmd[0]) {
+	case 'e':
+		error = kgdb_arch_handle_exception(ks->ex_vector,
+						   ks->signo,
+						   ks->err_code,
+						   remcom_in_buffer,
+						   remcom_out_buffer,
+						   ks->linux_regs);
+		return error;
+	case 's':
+	case 'c':
+		strcpy(remcom_in_buffer, cmd);
+		return 0;
+	case '?':
+		gdb_cmd_status(ks);
+		break;
+	case '\0':
+		strcpy(remcom_out_buffer, "");
+		break;
+	}
+	dbg_io_ops->write_char('+');
+	put_packet(remcom_out_buffer);
+	return 0;
+}
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index 9b5d1d7f2ef..78de43a5e90 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -3,7 +3,7 @@ config HAVE_ARCH_KGDB
 	bool
 
 menuconfig KGDB
-	bool "KGDB: kernel debugging with remote gdb"
+	bool "KGDB: kernel debugger"
 	depends on HAVE_ARCH_KGDB
 	depends on DEBUG_KERNEL && EXPERIMENTAL
 	help
@@ -57,4 +57,10 @@ config KGDB_TESTS_BOOT_STRING
 	  information about other strings you could use beyond the
 	  default of V1F100.
 
+config KGDB_KDB
+	bool "KGDB_KDB: include kdb frontend for kgdb"
+	default n
+	help
+	  KDB frontend for kernel
+
 endif # KGDB

From f5316b4aea024da9266d740322a5481657f6ce59 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:22 -0500
Subject: [PATCH 2414/3638] kgdb,8250,pl011: Return immediately from console
 poll

The design of the kdb shell requires that every device that can
provide input to kdb have a polling routine that exits immediately if
there is no character available.  This is required in order to get the
page scrolling mechanism working.

Changing the kernel debugger I/O API to require all polling character
routines to exit immediately if there is no data allows the kernel
debugger to process multiple input channels.

NO_POLL_CHAR will be the return code to the polling routine when ever
there is no character available.

CC: linux-serial@vger.kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 drivers/serial/8250.c           |  4 ++--
 drivers/serial/amba-pl011.c     |  6 +++---
 include/linux/kdb.h             |  1 +
 include/linux/serial_core.h     |  1 +
 kernel/debug/debug_core.c       |  2 ++
 kernel/debug/gdbstub.c          | 37 +++++++++++++++++++++++++++------
 kernel/debug/kdb/kdb_debugger.c | 10 +++++++++
 7 files changed, 50 insertions(+), 11 deletions(-)

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 2b1ea3d4c4f..891e1dd65f2 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1891,8 +1891,8 @@ static int serial8250_get_poll_char(struct uart_port *port)
 	struct uart_8250_port *up = (struct uart_8250_port *)port;
 	unsigned char lsr = serial_inp(up, UART_LSR);
 
-	while (!(lsr & UART_LSR_DR))
-		lsr = serial_inp(up, UART_LSR);
+	if (!(lsr & UART_LSR_DR))
+		return NO_POLL_CHAR;
 
 	return serial_inp(up, UART_RX);
 }
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 743ebf5f16d..eb4cb480b93 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -342,9 +342,9 @@ static int pl010_get_poll_char(struct uart_port *port)
 	struct uart_amba_port *uap = (struct uart_amba_port *)port;
 	unsigned int status;
 
-	do {
-		status = readw(uap->port.membase + UART01x_FR);
-	} while (status & UART01x_FR_RXFE);
+	status = readw(uap->port.membase + UART01x_FR);
+	if (status & UART01x_FR_RXFE)
+		return NO_POLL_CHAR;
 
 	return readw(uap->port.membase + UART01x_DR);
 }
diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index 4d93790faec..d72fa390812 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -19,6 +19,7 @@
 #include <asm/atomic.h>
 
 #define KDB_POLL_FUNC_MAX	5
+extern int kdb_poll_idx;
 
 /*
  * kdb_initial_cpu is initialized to -1, and is set to the cpu
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 78dd1e7120a..ad839963fa6 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -246,6 +246,7 @@ struct uart_ops {
 #endif
 };
 
+#define NO_POLL_CHAR		0x00ff0000
 #define UART_CONFIG_TYPE	(1 << 0)
 #define UART_CONFIG_IRQ		(1 << 1)
 
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 6e1fa829fde..1d71df66f3f 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -882,6 +882,8 @@ EXPORT_SYMBOL_GPL(kgdb_unregister_io_module);
 int dbg_io_get_char(void)
 {
 	int ret = dbg_io_ops->read_char();
+	if (ret == NO_POLL_CHAR)
+		return -1;
 	if (!dbg_kdb_mode)
 		return ret;
 	if (ret == 127)
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c
index 188203a1965..3c000490a7d 100644
--- a/kernel/debug/gdbstub.c
+++ b/kernel/debug/gdbstub.c
@@ -30,6 +30,7 @@
 
 #include <linux/kernel.h>
 #include <linux/kgdb.h>
+#include <linux/kdb.h>
 #include <linux/reboot.h>
 #include <linux/uaccess.h>
 #include <asm/cacheflush.h>
@@ -62,6 +63,30 @@ static int hex(char ch)
 	return -1;
 }
 
+#ifdef CONFIG_KGDB_KDB
+static int gdbstub_read_wait(void)
+{
+	int ret = -1;
+	int i;
+
+	/* poll any additional I/O interfaces that are defined */
+	while (ret < 0)
+		for (i = 0; kdb_poll_funcs[i] != NULL; i++) {
+			ret = kdb_poll_funcs[i]();
+			if (ret > 0)
+				break;
+		}
+	return ret;
+}
+#else
+static int gdbstub_read_wait(void)
+{
+	int ret = dbg_io_ops->read_char();
+	while (ret == NO_POLL_CHAR)
+		ret = dbg_io_ops->read_char();
+	return ret;
+}
+#endif
 /* scan for the sequence $<data>#<checksum> */
 static void get_packet(char *buffer)
 {
@@ -75,7 +100,7 @@ static void get_packet(char *buffer)
 		 * Spin and wait around for the start character, ignore all
 		 * other characters:
 		 */
-		while ((ch = (dbg_io_ops->read_char())) != '$')
+		while ((ch = (gdbstub_read_wait())) != '$')
 			/* nothing */;
 
 		kgdb_connected = 1;
@@ -88,7 +113,7 @@ static void get_packet(char *buffer)
 		 * now, read until a # or end of buffer is found:
 		 */
 		while (count < (BUFMAX - 1)) {
-			ch = dbg_io_ops->read_char();
+			ch = gdbstub_read_wait();
 			if (ch == '#')
 				break;
 			checksum = checksum + ch;
@@ -98,8 +123,8 @@ static void get_packet(char *buffer)
 		buffer[count] = 0;
 
 		if (ch == '#') {
-			xmitcsum = hex(dbg_io_ops->read_char()) << 4;
-			xmitcsum += hex(dbg_io_ops->read_char());
+			xmitcsum = hex(gdbstub_read_wait()) << 4;
+			xmitcsum += hex(gdbstub_read_wait());
 
 			if (checksum != xmitcsum)
 				/* failed checksum */
@@ -144,10 +169,10 @@ static void put_packet(char *buffer)
 			dbg_io_ops->flush();
 
 		/* Now see what we get in reply. */
-		ch = dbg_io_ops->read_char();
+		ch = gdbstub_read_wait();
 
 		if (ch == 3)
-			ch = dbg_io_ops->read_char();
+			ch = gdbstub_read_wait();
 
 		/* If we get an ACK, we are done. */
 		if (ch == '+')
diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c
index f024c0c4b8c..bf6e8270e95 100644
--- a/kernel/debug/kdb/kdb_debugger.c
+++ b/kernel/debug/kdb/kdb_debugger.c
@@ -20,7 +20,15 @@
 get_char_func kdb_poll_funcs[] = {
 	dbg_io_get_char,
 	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
 };
+EXPORT_SYMBOL_GPL(kdb_poll_funcs);
+
+int kdb_poll_idx = 1;
+EXPORT_SYMBOL_GPL(kdb_poll_idx);
 
 int kdb_stub(struct kgdb_state *ks)
 {
@@ -85,6 +93,7 @@ int kdb_stub(struct kgdb_state *ks)
 	kdb_bp_remove();
 	KDB_STATE_CLEAR(DOING_SS);
 	KDB_STATE_CLEAR(DOING_SSB);
+	KDB_STATE_SET(PAGER);
 	/* zero out any offline cpu data */
 	for_each_present_cpu(i) {
 		if (!cpu_online(i)) {
@@ -112,6 +121,7 @@ int kdb_stub(struct kgdb_state *ks)
 	kdb_initial_cpu = -1;
 	kdb_current_task = NULL;
 	kdb_current_regs = NULL;
+	KDB_STATE_CLEAR(PAGER);
 	kdbnearsym_cleanup();
 	if (error == KDB_CMD_KGDB) {
 		if (KDB_STATE(DOING_KGDB) || KDB_STATE(DOING_KGDB2)) {

From 3f255eb37e97e97dfec7cb8d4c75d543de231812 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:23 -0500
Subject: [PATCH 2415/3638] sh,sh-sci: Use NO_POLL_CHAR in the SCIF polled
 console code

The sci_poll_get_char() needs to return immediately if there is no
input from the chip to process, and must return a value of
NO_POLL_CHAR.

This allows kgdboc to process multiple polled devices while kgdb is
active.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/serial/sh-sci.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 8d993c4ccea..f250a610a26 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -151,7 +151,11 @@ static int sci_poll_get_char(struct uart_port *port)
 			handle_error(port);
 			continue;
 		}
-	} while (!(status & SCxSR_RDxF(port)));
+		break;
+	} while (1);
+
+	if (!(status & SCxSR_RDxF(port)))
+		return NO_POLL_CHAR;
 
 	c = sci_in(port, SCxRDR);
 

From 6d45a1aed34b0cd7b298967eb9cb72b77afcb33b Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:23 -0500
Subject: [PATCH 2416/3638] sparc,sunzilog: Add console polling support for
 sunzilog serial driver

Allow kgdboc to work on sparc hardware with the Zilog serial chips.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: David S. Miller <davem@davemloft.net>
---
 drivers/serial/sunzilog.c | 50 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 2c7a66af4f5..978b3cee02d 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -102,6 +102,8 @@ struct uart_sunzilog_port {
 #endif
 };
 
+static void sunzilog_putchar(struct uart_port *port, int ch);
+
 #define ZILOG_CHANNEL_FROM_PORT(PORT)	((struct zilog_channel __iomem *)((PORT)->membase))
 #define UART_ZILOG(PORT)		((struct uart_sunzilog_port *)(PORT))
 
@@ -996,6 +998,50 @@ static int sunzilog_verify_port(struct uart_port *port, struct serial_struct *se
 	return -EINVAL;
 }
 
+#ifdef CONFIG_CONSOLE_POLL
+static int sunzilog_get_poll_char(struct uart_port *port)
+{
+	unsigned char ch, r1;
+	struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port;
+	struct zilog_channel __iomem *channel
+		= ZILOG_CHANNEL_FROM_PORT(&up->port);
+
+
+	r1 = read_zsreg(channel, R1);
+	if (r1 & (PAR_ERR | Rx_OVR | CRC_ERR)) {
+		writeb(ERR_RES, &channel->control);
+		ZSDELAY();
+		ZS_WSYNC(channel);
+	}
+
+	ch = readb(&channel->control);
+	ZSDELAY();
+
+	/* This funny hack depends upon BRK_ABRT not interfering
+	 * with the other bits we care about in R1.
+	 */
+	if (ch & BRK_ABRT)
+		r1 |= BRK_ABRT;
+
+	if (!(ch & Rx_CH_AV))
+		return NO_POLL_CHAR;
+
+	ch = readb(&channel->data);
+	ZSDELAY();
+
+	ch &= up->parity_mask;
+	return ch;
+}
+
+static void sunzilog_put_poll_char(struct uart_port *port,
+			unsigned char ch)
+{
+	struct uart_sunzilog_port *up = (struct uart_sunzilog_port *)port;
+
+	sunzilog_putchar(&up->port, ch);
+}
+#endif /* CONFIG_CONSOLE_POLL */
+
 static struct uart_ops sunzilog_pops = {
 	.tx_empty	=	sunzilog_tx_empty,
 	.set_mctrl	=	sunzilog_set_mctrl,
@@ -1013,6 +1059,10 @@ static struct uart_ops sunzilog_pops = {
 	.request_port	=	sunzilog_request_port,
 	.config_port	=	sunzilog_config_port,
 	.verify_port	=	sunzilog_verify_port,
+#ifdef CONFIG_CONSOLE_POLL
+	.poll_get_char	=	sunzilog_get_poll_char,
+	.poll_put_char	=	sunzilog_put_poll_char,
+#endif
 };
 
 static int uart_chip_count;

From a0de055cf61338549b13079a5677ef2e1b6472ef Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:24 -0500
Subject: [PATCH 2417/3638] kgdb: gdb "monitor" -> kdb passthrough

One of the driving forces behind integrating another front end (kdb)
to the debug core is to allow front end commands to be accessible via
gdb's monitor command.  It is true that you could write gdb macros to
get certain data, but you may want to just use gdb to access the
commands that are available in the kdb front end.

This patch implements the Rcmd gdb stub packet.  In gdb you access
this with the "monitor" command.  For instance you could type "monitor
help", "monitor lsmod" or "monitor ps A" etc...

There is no error checking or command restrictions on what you can and
cannot access at this point.  Doing something like trying to set
breakpoints with the monitor command is going to cause nothing but
problems.  Perhaps in the future only the commands that are actually
known to work with the gdb monitor command will be available.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 kernel/debug/debug_core.c      |  2 +-
 kernel/debug/debug_core.h      |  2 ++
 kernel/debug/gdbstub.c         | 22 ++++++++++++++++++++++
 kernel/debug/kdb/kdb_io.c      | 13 +++++++++----
 kernel/debug/kdb/kdb_private.h |  1 -
 5 files changed, 34 insertions(+), 6 deletions(-)

diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 1d71df66f3f..1aed37b4c56 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -82,7 +82,7 @@ static int kgdb_use_con;
 int dbg_switch_cpu;
 
 /* Use kdb or gdbserver mode */
-static int dbg_kdb_mode = 1;
+int dbg_kdb_mode = 1;
 
 static int __init opt_kgdb_con(char *str)
 {
diff --git a/kernel/debug/debug_core.h b/kernel/debug/debug_core.h
index 44cf3de8cf9..c5d753d80f6 100644
--- a/kernel/debug/debug_core.h
+++ b/kernel/debug/debug_core.h
@@ -66,9 +66,11 @@ extern void gdbstub_msg_write(const char *s, int len);
 
 /* gdbstub functions used for kdb <-> gdbstub transition */
 extern int gdbstub_state(struct kgdb_state *ks, char *cmd);
+extern int dbg_kdb_mode;
 
 #ifdef CONFIG_KGDB_KDB
 extern int kdb_stub(struct kgdb_state *ks);
+extern int kdb_parse(const char *cmdstr);
 #else /* ! CONFIG_KGDB_KDB */
 static inline int kdb_stub(struct kgdb_state *ks)
 {
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c
index 3c000490a7d..4b17b326952 100644
--- a/kernel/debug/gdbstub.c
+++ b/kernel/debug/gdbstub.c
@@ -201,6 +201,9 @@ void gdbstub_msg_write(const char *s, int len)
 	int wcount;
 	int i;
 
+	if (len == 0)
+		len = strlen(s);
+
 	/* 'O'utput */
 	gdbmsgbuf[0] = 'O';
 
@@ -685,6 +688,25 @@ static void gdb_cmd_query(struct kgdb_state *ks)
 			kgdb_mem2hex(tmpstr, remcom_out_buffer, strlen(tmpstr));
 		}
 		break;
+#ifdef CONFIG_KGDB_KDB
+	case 'R':
+		if (strncmp(remcom_in_buffer, "qRcmd,", 6) == 0) {
+			int len = strlen(remcom_in_buffer + 6);
+
+			if ((len % 2) != 0) {
+				strcpy(remcom_out_buffer, "E01");
+				break;
+			}
+			kgdb_hex2mem(remcom_in_buffer + 6,
+				     remcom_out_buffer, len);
+			len = len / 2;
+			remcom_out_buffer[len++] = 0;
+
+			kdb_parse(remcom_out_buffer);
+			strcpy(remcom_out_buffer, "OK");
+		}
+		break;
+#endif
 	}
 }
 
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 9e3cec7a925..8339b291e8b 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -21,6 +21,7 @@
 #include <linux/smp.h>
 #include <linux/nmi.h>
 #include <linux/delay.h>
+#include <linux/kgdb.h>
 #include <linux/kdb.h>
 #include <linux/kallsyms.h>
 #include "kdb_private.h"
@@ -669,10 +670,14 @@ kdb_printit:
 	 * Write to all consoles.
 	 */
 	retlen = strlen(kdb_buffer);
-	while (c) {
-		c->write(c, kdb_buffer, retlen);
-		touch_nmi_watchdog();
-		c = c->next;
+	if (!dbg_kdb_mode && kgdb_connected) {
+		gdbstub_msg_write(kdb_buffer, retlen);
+	} else {
+		while (c) {
+			c->write(c, kdb_buffer, retlen);
+			touch_nmi_watchdog();
+			c = c->next;
+		}
 	}
 	if (logging) {
 		saved_loglevel = console_loglevel;
diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
index 69ed2eff3fe..97d3ba69775 100644
--- a/kernel/debug/kdb/kdb_private.h
+++ b/kernel/debug/kdb/kdb_private.h
@@ -254,7 +254,6 @@ extern unsigned long kdb_task_state(const struct task_struct *p,
 				    unsigned long mask);
 extern void kdb_ps_suppressed(void);
 extern void kdb_ps1(const struct task_struct *p);
-extern int kdb_parse(const char *cmdstr);
 extern void kdb_print_nameval(const char *name, unsigned long val);
 extern void kdb_send_sig_info(struct task_struct *p, struct siginfo *info);
 extern void kdb_meminfo_proc_show(void);

From ada64e4c98eb5f04a9ca223c5ff9e7ac22ce6404 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:24 -0500
Subject: [PATCH 2418/3638] kgdboc,keyboard: Keyboard driver for kdb with kgdb

This patch adds in the kdb PS/2 keyboard driver.  This was mostly a
direct port from the original kdb where I cleaned up the code against
checkpatch.pl and added the glue to stitch it into kgdb.

This patch also enables early kdb debug via kgdbwait and the keyboard.

All the access to configure kdb using either a serial console or the
keyboard is done via kgdboc.

If you want to use only the keyboard and want to break in early you
would add to your kernel command arguments:

    kgdboc=kbd kgdbwait

If you wanted serial and or the keyboard access you could use:

    kgdboc=kbd,ttyS0

You can also configure kgdboc as a kernel module or at run time with
the sysfs where you can activate and deactivate kgdb.

Turn it on:
    echo kbd,ttyS0 > /sys/module/kgdboc/parameters/kgdboc

Turn it off:
    echo "" > /sys/module/kgdboc/parameters/kgdboc

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 Documentation/kernel-parameters.txt |   8 +-
 drivers/serial/kgdboc.c             |  61 +++++++-
 kernel/debug/kdb/Makefile           |   1 +
 kernel/debug/kdb/kdb_keyboard.c     | 212 ++++++++++++++++++++++++++++
 lib/Kconfig.kgdb                    |   7 +
 5 files changed, 279 insertions(+), 10 deletions(-)
 create mode 100644 kernel/debug/kdb/kdb_keyboard.c

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b12bacd252f..3845e3a84a5 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1121,9 +1121,11 @@ and is between 256 and 4096 characters. It is defined in the file
 			zone if it does not.
 
 	kgdboc=		[HW] kgdb over consoles.
-			Requires a tty driver that supports console polling.
-			(only serial supported for now)
-			Format: <serial_device>[,baud]
+			Requires a tty driver that supports console polling,
+			or a supported polling keyboard driver (non-usb).
+			Serial only format: <serial_device>[,baud]
+			keyboard only format: kbd
+			keyboard and serial format: kbd,<serial_device>[,baud]
 
 	kmac=		[MIPS] korina ethernet MAC address.
 			Configure the RouterBoard 532 series on-chip
diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c
index eadc1ab6bbc..ecef6e1a599 100644
--- a/drivers/serial/kgdboc.c
+++ b/drivers/serial/kgdboc.c
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/ctype.h>
 #include <linux/kgdb.h>
+#include <linux/kdb.h>
 #include <linux/tty.h>
 
 #define MAX_CONFIG_LEN		40
@@ -32,6 +33,40 @@ static struct kparam_string kps = {
 static struct tty_driver	*kgdb_tty_driver;
 static int			kgdb_tty_line;
 
+#ifdef CONFIG_KDB_KEYBOARD
+static int kgdboc_register_kbd(char **cptr)
+{
+	if (strncmp(*cptr, "kbd", 3) == 0) {
+		if (kdb_poll_idx < KDB_POLL_FUNC_MAX) {
+			kdb_poll_funcs[kdb_poll_idx] = kdb_get_kbd_char;
+			kdb_poll_idx++;
+			if (cptr[0][3] == ',')
+				*cptr += 4;
+			else
+				return 1;
+		}
+	}
+	return 0;
+}
+
+static void kgdboc_unregister_kbd(void)
+{
+	int i;
+
+	for (i = 0; i < kdb_poll_idx; i++) {
+		if (kdb_poll_funcs[i] == kdb_get_kbd_char) {
+			kdb_poll_idx--;
+			kdb_poll_funcs[i] = kdb_poll_funcs[kdb_poll_idx];
+			kdb_poll_funcs[kdb_poll_idx] = NULL;
+			i--;
+		}
+	}
+}
+#else /* ! CONFIG_KDB_KEYBOARD */
+#define kgdboc_register_kbd(x) 0
+#define kgdboc_unregister_kbd()
+#endif /* ! CONFIG_KDB_KEYBOARD */
+
 static int kgdboc_option_setup(char *opt)
 {
 	if (strlen(opt) > MAX_CONFIG_LEN) {
@@ -45,25 +80,38 @@ static int kgdboc_option_setup(char *opt)
 
 __setup("kgdboc=", kgdboc_option_setup);
 
+static void cleanup_kgdboc(void)
+{
+	kgdboc_unregister_kbd();
+	if (configured == 1)
+		kgdb_unregister_io_module(&kgdboc_io_ops);
+}
+
 static int configure_kgdboc(void)
 {
 	struct tty_driver *p;
 	int tty_line = 0;
 	int err;
+	char *cptr = config;
 
 	err = kgdboc_option_setup(config);
 	if (err || !strlen(config) || isspace(config[0]))
 		goto noconfig;
 
 	err = -ENODEV;
+	kgdb_tty_driver = NULL;
 
-	p = tty_find_polling_driver(config, &tty_line);
+	if (kgdboc_register_kbd(&cptr))
+		goto do_register;
+
+	p = tty_find_polling_driver(cptr, &tty_line);
 	if (!p)
 		goto noconfig;
 
 	kgdb_tty_driver = p;
 	kgdb_tty_line = tty_line;
 
+do_register:
 	err = kgdb_register_io_module(&kgdboc_io_ops);
 	if (err)
 		goto noconfig;
@@ -75,6 +123,7 @@ static int configure_kgdboc(void)
 noconfig:
 	config[0] = 0;
 	configured = 0;
+	cleanup_kgdboc();
 
 	return err;
 }
@@ -88,20 +137,18 @@ static int __init init_kgdboc(void)
 	return configure_kgdboc();
 }
 
-static void cleanup_kgdboc(void)
-{
-	if (configured == 1)
-		kgdb_unregister_io_module(&kgdboc_io_ops);
-}
-
 static int kgdboc_get_char(void)
 {
+	if (!kgdb_tty_driver)
+		return -1;
 	return kgdb_tty_driver->ops->poll_get_char(kgdb_tty_driver,
 						kgdb_tty_line);
 }
 
 static void kgdboc_put_char(u8 chr)
 {
+	if (!kgdb_tty_driver)
+		return;
 	kgdb_tty_driver->ops->poll_put_char(kgdb_tty_driver,
 					kgdb_tty_line, chr);
 }
diff --git a/kernel/debug/kdb/Makefile b/kernel/debug/kdb/Makefile
index d1e925eddbc..d4fc58f4b88 100644
--- a/kernel/debug/kdb/Makefile
+++ b/kernel/debug/kdb/Makefile
@@ -8,6 +8,7 @@
 
 CCVERSION	:= $(shell $(CC) -v 2>&1 | sed -ne '$$p')
 obj-y := kdb_io.o kdb_main.o kdb_support.o kdb_bt.o gen-kdb_cmds.o kdb_bp.o kdb_debugger.o
+obj-$(CONFIG_KDB_KEYBOARD)    += kdb_keyboard.o
 
 clean-files := gen-kdb_cmds.c
 
diff --git a/kernel/debug/kdb/kdb_keyboard.c b/kernel/debug/kdb/kdb_keyboard.c
new file mode 100644
index 00000000000..4bca634975c
--- /dev/null
+++ b/kernel/debug/kdb/kdb_keyboard.c
@@ -0,0 +1,212 @@
+/*
+ * Kernel Debugger Architecture Dependent Console I/O handler
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.
+ *
+ * Copyright (c) 1999-2006 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
+ */
+
+#include <linux/kdb.h>
+#include <linux/keyboard.h>
+#include <linux/ctype.h>
+#include <linux/module.h>
+#include <linux/io.h>
+
+/* Keyboard Controller Registers on normal PCs. */
+
+#define KBD_STATUS_REG		0x64	/* Status register (R) */
+#define KBD_DATA_REG		0x60	/* Keyboard data register (R/W) */
+
+/* Status Register Bits */
+
+#define KBD_STAT_OBF 		0x01	/* Keyboard output buffer full */
+#define KBD_STAT_MOUSE_OBF	0x20	/* Mouse output buffer full */
+
+static int kbd_exists;
+
+/*
+ * Check if the keyboard controller has a keypress for us.
+ * Some parts (Enter Release, LED change) are still blocking polled here,
+ * but hopefully they are all short.
+ */
+int kdb_get_kbd_char(void)
+{
+	int scancode, scanstatus;
+	static int shift_lock;	/* CAPS LOCK state (0-off, 1-on) */
+	static int shift_key;	/* Shift next keypress */
+	static int ctrl_key;
+	u_short keychar;
+
+	if (KDB_FLAG(NO_I8042) || KDB_FLAG(NO_VT_CONSOLE) ||
+	    (inb(KBD_STATUS_REG) == 0xff && inb(KBD_DATA_REG) == 0xff)) {
+		kbd_exists = 0;
+		return -1;
+	}
+	kbd_exists = 1;
+
+	if ((inb(KBD_STATUS_REG) & KBD_STAT_OBF) == 0)
+		return -1;
+
+	/*
+	 * Fetch the scancode
+	 */
+	scancode = inb(KBD_DATA_REG);
+	scanstatus = inb(KBD_STATUS_REG);
+
+	/*
+	 * Ignore mouse events.
+	 */
+	if (scanstatus & KBD_STAT_MOUSE_OBF)
+		return -1;
+
+	/*
+	 * Ignore release, trigger on make
+	 * (except for shift keys, where we want to
+	 *  keep the shift state so long as the key is
+	 *  held down).
+	 */
+
+	if (((scancode&0x7f) == 0x2a) || ((scancode&0x7f) == 0x36)) {
+		/*
+		 * Next key may use shift table
+		 */
+		if ((scancode & 0x80) == 0)
+			shift_key = 1;
+		else
+			shift_key = 0;
+		return -1;
+	}
+
+	if ((scancode&0x7f) == 0x1d) {
+		/*
+		 * Left ctrl key
+		 */
+		if ((scancode & 0x80) == 0)
+			ctrl_key = 1;
+		else
+			ctrl_key = 0;
+		return -1;
+	}
+
+	if ((scancode & 0x80) != 0)
+		return -1;
+
+	scancode &= 0x7f;
+
+	/*
+	 * Translate scancode
+	 */
+
+	if (scancode == 0x3a) {
+		/*
+		 * Toggle caps lock
+		 */
+		shift_lock ^= 1;
+
+#ifdef	KDB_BLINK_LED
+		kdb_toggleled(0x4);
+#endif
+		return -1;
+	}
+
+	if (scancode == 0x0e) {
+		/*
+		 * Backspace
+		 */
+		return 8;
+	}
+
+	/* Special Key */
+	switch (scancode) {
+	case 0xF: /* Tab */
+		return 9;
+	case 0x53: /* Del */
+		return 4;
+	case 0x47: /* Home */
+		return 1;
+	case 0x4F: /* End */
+		return 5;
+	case 0x4B: /* Left */
+		return 2;
+	case 0x48: /* Up */
+		return 16;
+	case 0x50: /* Down */
+		return 14;
+	case 0x4D: /* Right */
+		return 6;
+	}
+
+	if (scancode == 0xe0)
+		return -1;
+
+	/*
+	 * For Japanese 86/106 keyboards
+	 * 	See comment in drivers/char/pc_keyb.c.
+	 * 	- Masahiro Adegawa
+	 */
+	if (scancode == 0x73)
+		scancode = 0x59;
+	else if (scancode == 0x7d)
+		scancode = 0x7c;
+
+	if (!shift_lock && !shift_key && !ctrl_key) {
+		keychar = plain_map[scancode];
+	} else if ((shift_lock || shift_key) && key_maps[1]) {
+		keychar = key_maps[1][scancode];
+	} else if (ctrl_key && key_maps[4]) {
+		keychar = key_maps[4][scancode];
+	} else {
+		keychar = 0x0020;
+		kdb_printf("Unknown state/scancode (%d)\n", scancode);
+	}
+	keychar &= 0x0fff;
+	if (keychar == '\t')
+		keychar = ' ';
+	switch (KTYP(keychar)) {
+	case KT_LETTER:
+	case KT_LATIN:
+		if (isprint(keychar))
+			break;		/* printable characters */
+		/* drop through */
+	case KT_SPEC:
+		if (keychar == K_ENTER)
+			break;
+		/* drop through */
+	default:
+		return -1;	/* ignore unprintables */
+	}
+
+	if ((scancode & 0x7f) == 0x1c) {
+		/*
+		 * enter key.  All done.  Absorb the release scancode.
+		 */
+		while ((inb(KBD_STATUS_REG) & KBD_STAT_OBF) == 0)
+			;
+
+		/*
+		 * Fetch the scancode
+		 */
+		scancode = inb(KBD_DATA_REG);
+		scanstatus = inb(KBD_STATUS_REG);
+
+		while (scanstatus & KBD_STAT_MOUSE_OBF) {
+			scancode = inb(KBD_DATA_REG);
+			scanstatus = inb(KBD_STATUS_REG);
+		}
+
+		if (scancode != 0x9c) {
+			/*
+			 * Wasn't an enter-release,  why not?
+			 */
+			kdb_printf("kdb: expected enter got 0x%x status 0x%x\n",
+			       scancode, scanstatus);
+		}
+
+		return 13;
+	}
+
+	return keychar & 0xff;
+}
+EXPORT_SYMBOL_GPL(kdb_get_kbd_char);
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index 78de43a5e90..ee8ae7132f2 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -63,4 +63,11 @@ config KGDB_KDB
 	help
 	  KDB frontend for kernel
 
+config KDB_KEYBOARD
+	bool "KGDB_KDB: keyboard as input device"
+	depends on VT && KGDB_KDB
+	default n
+	help
+	  KDB can use a PS/2 type keyboard for an input device
+
 endif # KGDB

From 84c08fd61e2d21702337e9fe366e97cdf09bf797 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:24 -0500
Subject: [PATCH 2419/3638] kgdb,docs: Update the kgdb docs to include kdb

Update the kgdb docs to reflect the new directory structure and API.

Merge in the kdb shell information.

[Randy Dunlap <rdunlap@xenotime.net>: grammatical corrections]

CC: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 Documentation/DocBook/kgdb.tmpl     | 712 ++++++++++++++++++++--------
 Documentation/kernel-parameters.txt |   6 +-
 include/linux/kgdb.h                |  12 +-
 3 files changed, 542 insertions(+), 188 deletions(-)

diff --git a/Documentation/DocBook/kgdb.tmpl b/Documentation/DocBook/kgdb.tmpl
index 5cff41a5fa7..55f12ac37ac 100644
--- a/Documentation/DocBook/kgdb.tmpl
+++ b/Documentation/DocBook/kgdb.tmpl
@@ -4,7 +4,7 @@
 
 <book id="kgdbOnLinux">
  <bookinfo>
-  <title>Using kgdb and the kgdb Internals</title>
+  <title>Using kgdb, kdb and the kernel debugger internals</title>
 
   <authorgroup>
    <author>
@@ -17,33 +17,8 @@
     </affiliation>
    </author>
   </authorgroup>
-
-  <authorgroup>
-   <author>
-    <firstname>Tom</firstname>
-    <surname>Rini</surname>
-    <affiliation>
-     <address>
-      <email>trini@kernel.crashing.org</email>
-     </address>
-    </affiliation>
-   </author>
-  </authorgroup>
-
-  <authorgroup>
-   <author>
-    <firstname>Amit S.</firstname>
-    <surname>Kale</surname>
-    <affiliation>
-     <address>
-      <email>amitkale@linsyssoft.com</email>
-     </address>
-    </affiliation>
-   </author>
-  </authorgroup>
-
   <copyright>
-   <year>2008</year>
+   <year>2008,2010</year>
    <holder>Wind River Systems, Inc.</holder>
   </copyright>
   <copyright>
@@ -69,41 +44,76 @@
   <chapter id="Introduction">
     <title>Introduction</title>
     <para>
-    kgdb is a source level debugger for linux kernel. It is used along
-    with gdb to debug a linux kernel.  The expectation is that gdb can
-    be used to "break in" to the kernel to inspect memory, variables
-    and look through call stack information similar to what an
-    application developer would use gdb for.  It is possible to place
-    breakpoints in kernel code and perform some limited execution
-    stepping.
+    The kernel has two different debugger front ends (kdb and kgdb)
+    which interface to the debug core.  It is possible to use either
+    of the debugger front ends and dynamically transition between them
+    if you configure the kernel properly at compile and runtime.
     </para>
     <para>
-    Two machines are required for using kgdb. One of these machines is a
-    development machine and the other is a test machine.  The kernel
-    to be debugged runs on the test machine. The development machine
-    runs an instance of gdb against the vmlinux file which contains
-    the symbols (not boot image such as bzImage, zImage, uImage...).
-    In gdb the developer specifies the connection parameters and
-    connects to kgdb.  The type of connection a developer makes with
-    gdb depends on the availability of kgdb I/O modules compiled as
-    builtin's or kernel modules in the test machine's kernel.
+    Kdb is simplistic shell-style interface which you can use on a
+    system console with a keyboard or serial console.  You can use it
+    to inspect memory, registers, process lists, dmesg, and even set
+    breakpoints to stop in a certain location.  Kdb is not a source
+    level debugger, although you can set breakpoints and execute some
+    basic kernel run control.  Kdb is mainly aimed at doing some
+    analysis to aid in development or diagnosing kernel problems.  You
+    can access some symbols by name in kernel built-ins or in kernel
+    modules if the code was built
+    with <symbol>CONFIG_KALLSYMS</symbol>.
+    </para>
+    <para>
+    Kgdb is intended to be used as a source level debugger for the
+    Linux kernel. It is used along with gdb to debug a Linux kernel.
+    The expectation is that gdb can be used to "break in" to the
+    kernel to inspect memory, variables and look through call stack
+    information similar to the way an application developer would use
+    gdb to debug an application.  It is possible to place breakpoints
+    in kernel code and perform some limited execution stepping.
+    </para>
+    <para>
+    Two machines are required for using kgdb. One of these machines is
+    a development machine and the other is the target machine.  The
+    kernel to be debugged runs on the target machine. The development
+    machine runs an instance of gdb against the vmlinux file which
+    contains the symbols (not boot image such as bzImage, zImage,
+    uImage...).  In gdb the developer specifies the connection
+    parameters and connects to kgdb.  The type of connection a
+    developer makes with gdb depends on the availability of kgdb I/O
+    modules compiled as built-ins or loadable kernel modules in the test
+    machine's kernel.
     </para>
   </chapter>
   <chapter id="CompilingAKernel">
-    <title>Compiling a kernel</title>
+  <title>Compiling a kernel</title>
+  <para>
+  <itemizedlist>
+  <listitem><para>In order to enable compilation of kdb, you must first enable kgdb.</para></listitem>
+  <listitem><para>The kgdb test compile options are described in the kgdb test suite chapter.</para></listitem>
+  </itemizedlist>
+  </para>
+  <sect1 id="CompileKGDB">
+    <title>Kernel config options for kgdb</title>
     <para>
     To enable <symbol>CONFIG_KGDB</symbol> you should first turn on
     "Prompt for development and/or incomplete code/drivers"
     (CONFIG_EXPERIMENTAL) in  "General setup", then under the
-    "Kernel debugging" select "KGDB: kernel debugging with remote gdb".
+    "Kernel debugging" select "KGDB: kernel debugger".
+    </para>
+    <para>
+    While it is not a hard requirement that you have symbols in your
+    vmlinux file, gdb tends not to be very useful without the symbolic
+    data, so you will want to turn
+    on <symbol>CONFIG_DEBUG_INFO</symbol> which is called "Compile the
+    kernel with debug info" in the config menu.
     </para>
     <para>
     It is advised, but not required that you turn on the
-    CONFIG_FRAME_POINTER kernel option.  This option inserts code to
-    into the compiled executable which saves the frame information in
-    registers or on the stack at different points which will allow a
-    debugger such as gdb to more accurately construct stack back traces
-    while debugging the kernel.
+    <symbol>CONFIG_FRAME_POINTER</symbol> kernel option which is called "Compile the
+    kernel with frame pointers" in the config menu.  This option
+    inserts code to into the compiled executable which saves the frame
+    information in registers or on the stack at different points which
+    allows a debugger such as gdb to more accurately construct
+    stack back traces while debugging the kernel.
     </para>
     <para>
     If the architecture that you are using supports the kernel option
@@ -116,38 +126,160 @@
     this option.
     </para>
     <para>
-    Next you should choose one of more I/O drivers to interconnect debugging
-    host and debugged target.  Early boot debugging requires a KGDB
-    I/O driver that supports early debugging and the driver must be
-    built into the kernel directly. Kgdb I/O driver configuration
-    takes place via kernel or module parameters, see following
-    chapter.
+    Next you should choose one of more I/O drivers to interconnect
+    debugging host and debugged target.  Early boot debugging requires
+    a KGDB I/O driver that supports early debugging and the driver
+    must be built into the kernel directly. Kgdb I/O driver
+    configuration takes place via kernel or module parameters which
+    you can learn more about in the in the section that describes the
+    parameter "kgdboc".
     </para>
-    <para>
-    The kgdb test compile options are described in the kgdb test suite chapter.
+    <para>Here is an example set of .config symbols to enable or
+    disable for kgdb:
+    <itemizedlist>
+    <listitem><para># CONFIG_DEBUG_RODATA is not set</para></listitem>
+    <listitem><para>CONFIG_FRAME_POINTER=y</para></listitem>
+    <listitem><para>CONFIG_KGDB=y</para></listitem>
+    <listitem><para>CONFIG_KGDB_SERIAL_CONSOLE=y</para></listitem>
+    </itemizedlist>
     </para>
-
+  </sect1>
+  <sect1 id="CompileKDB">
+    <title>Kernel config options for kdb</title>
+    <para>Kdb is quite a bit more complex than the simple gdbstub
+    sitting on top of the kernel's debug core.  Kdb must implement a
+    shell, and also adds some helper functions in other parts of the
+    kernel, responsible for printing out interesting data such as what
+    you would see if you ran "lsmod", or "ps".  In order to build kdb
+    into the kernel you follow the same steps as you would for kgdb.
+    </para>
+    <para>The main config option for kdb
+    is <symbol>CONFIG_KGDB_KDB</symbol> which is called "KGDB_KDB:
+    include kdb frontend for kgdb" in the config menu.  In theory you
+    would have already also selected an I/O driver such as the
+    CONFIG_KGDB_SERIAL_CONSOLE interface if you plan on using kdb on a
+    serial port, when you were configuring kgdb.
+    </para>
+    <para>If you want to use a PS/2-style keyboard with kdb, you would
+    select CONFIG_KDB_KEYBOARD which is called "KGDB_KDB: keyboard as
+    input device" in the config menu.  The CONFIG_KDB_KEYBOARD option
+    is not used for anything in the gdb interface to kgdb.  The
+    CONFIG_KDB_KEYBOARD option only works with kdb.
+    </para>
+    <para>Here is an example set of .config symbols to enable/disable kdb:
+    <itemizedlist>
+    <listitem><para># CONFIG_DEBUG_RODATA is not set</para></listitem>
+    <listitem><para>CONFIG_FRAME_POINTER=y</para></listitem>
+    <listitem><para>CONFIG_KGDB=y</para></listitem>
+    <listitem><para>CONFIG_KGDB_SERIAL_CONSOLE=y</para></listitem>
+    <listitem><para>CONFIG_KGDB_KDB=y</para></listitem>
+    <listitem><para>CONFIG_KDB_KEYBOARD=y</para></listitem>
+    </itemizedlist>
+    </para>
+  </sect1>
   </chapter>
-  <chapter id="EnableKGDB">
-   <title>Enable kgdb for debugging</title>
-   <para>
-   In order to use kgdb you must activate it by passing configuration
-   information to one of the kgdb I/O drivers.  If you do not pass any
-   configuration information kgdb will not do anything at all.  Kgdb
-   will only actively hook up to the kernel trap hooks if a kgdb I/O
-   driver is loaded and configured.  If you unconfigure a kgdb I/O
-   driver, kgdb will unregister all the kernel hook points.
+  <chapter id="kgdbKernelArgs">
+  <title>Kernel Debugger Boot Arguments</title>
+  <para>This section describes the various runtime kernel
+  parameters that affect the configuration of the kernel debugger.
+  The following chapter covers using kdb and kgdb as well as
+  provides some examples of the configuration parameters.</para>
+   <sect1 id="kgdboc">
+   <title>Kernel parameter: kgdboc</title>
+   <para>The kgdboc driver was originally an abbreviation meant to
+   stand for "kgdb over console".  Today it is the primary mechanism
+   to configure how to communicate from gdb to kgdb as well as the
+   devices you want to use to interact with the kdb shell.
    </para>
-   <para>
-   All drivers can be reconfigured at run time, if
-   <symbol>CONFIG_SYSFS</symbol> and <symbol>CONFIG_MODULES</symbol>
-   are enabled, by echo'ing a new config string to
-   <constant>/sys/module/&lt;driver&gt;/parameter/&lt;option&gt;</constant>.
-   The driver can be unconfigured by passing an empty string.  You cannot
-   change the configuration while the debugger is attached.  Make sure
-   to detach the debugger with the <constant>detach</constant> command
-   prior to trying unconfigure a kgdb I/O driver.
+   <para>For kgdb/gdb, kgdboc is designed to work with a single serial
+   port. It is intended to cover the circumstance where you want to
+   use a serial console as your primary console as well as using it to
+   perform kernel debugging.  It is also possible to use kgdb on a
+   serial port which is not designated as a system console.  Kgdboc
+   may be configured as a kernel built-in or a kernel loadable module.
+   You can only make use of <constant>kgdbwait</constant> and early
+   debugging if you build kgdboc into the kernel as a built-in.
    </para>
+   <sect2 id="kgdbocArgs">
+   <title>kgdboc arguments</title>
+   <para>Usage: <constant>kgdboc=[kbd][[,]serial_device][,baud]</constant></para>
+   <sect3 id="kgdbocArgs1">
+   <title>Using loadable module or built-in</title>
+   <para>
+   <orderedlist>
+   <listitem><para>As a kernel built-in:</para>
+   <para>Use the kernel boot argument: <constant>kgdboc=&lt;tty-device&gt;,[baud]</constant></para></listitem>
+   <listitem>
+   <para>As a kernel loadable module:</para>
+   <para>Use the command: <constant>modprobe kgdboc kgdboc=&lt;tty-device&gt;,[baud]</constant></para>
+   <para>Here are two examples of how you might formate the kgdboc
+   string. The first is for an x86 target using the first serial port.
+   The second example is for the ARM Versatile AB using the second
+   serial port.
+   <orderedlist>
+   <listitem><para><constant>kgdboc=ttyS0,115200</constant></para></listitem>
+   <listitem><para><constant>kgdboc=ttyAMA1,115200</constant></para></listitem>
+   </orderedlist>
+   </para>
+   </listitem>
+   </orderedlist></para>
+   </sect3>
+   <sect3 id="kgdbocArgs2">
+   <title>Configure kgdboc at runtime with sysfs</title>
+   <para>At run time you can enable or disable kgdboc by echoing a
+   parameters into the sysfs.  Here are two examples:</para>
+   <orderedlist>
+   <listitem><para>Enable kgdboc on ttyS0</para>
+   <para><constant>echo ttyS0 &gt; /sys/module/kgdboc/parameters/kgdboc</constant></para></listitem>
+   <listitem><para>Disable kgdboc</para>
+   <para><constant>echo "" &gt; /sys/module/kgdboc/parameters/kgdboc</constant></para></listitem>
+   </orderedlist>
+   <para>NOTE: You do not need to specify the baud if you are
+   configuring the console on tty which is already configured or
+   open.</para>
+   </sect3>
+   <sect3 id="kgdbocArgs3">
+   <title>More examples</title>
+   <para>You can configure kgdboc to use the keyboard, and or a serial device
+   depending on if you are using kdb and or kgdb, in one of the
+   following scenarios.
+   <orderedlist>
+   <listitem><para>kdb and kgdb over only a serial port</para>
+   <para><constant>kgdboc=&lt;serial_device&gt;[,baud]</constant></para>
+   <para>Example: <constant>kgdboc=ttyS0,115200</constant></para>
+   </listitem>
+   <listitem><para>kdb and kgdb with keyboard and a serial port</para>
+   <para><constant>kgdboc=kbd,&lt;serial_device&gt;[,baud]</constant></para>
+   <para>Example: <constant>kgdboc=kbd,ttyS0,115200</constant></para>
+   </listitem>
+   <listitem><para>kdb with a keyboard</para>
+   <para><constant>kgdboc=kbd</constant></para>
+   </listitem>
+   </orderedlist>
+   </para>
+   </sect3>
+   <para>NOTE: Kgdboc does not support interrupting the target via the
+   gdb remote protocol.  You must manually send a sysrq-g unless you
+   have a proxy that splits console output to a terminal program.
+   A console proxy has a separate TCP port for the debugger and a separate
+   TCP port for the "human" console.  The proxy can take care of sending
+   the sysrq-g for you.
+   </para>
+   <para>When using kgdboc with no debugger proxy, you can end up
+    connecting the debugger at one of two entry points.  If an
+    exception occurs after you have loaded kgdboc, a message should
+    print on the console stating it is waiting for the debugger.  In
+    this case you disconnect your terminal program and then connect the
+    debugger in its place.  If you want to interrupt the target system
+    and forcibly enter a debug session you have to issue a Sysrq
+    sequence and then type the letter <constant>g</constant>.  Then
+    you disconnect the terminal session and connect gdb.  Your options
+    if you don't like this are to hack gdb to send the sysrq-g for you
+    as well as on the initial connect, or to use a debugger proxy that
+    allows an unmodified gdb to do the debugging.
+   </para>
+   </sect2>
+   </sect1>
    <sect1 id="kgdbwait">
    <title>Kernel parameter: kgdbwait</title>
    <para>
@@ -162,103 +294,204 @@
    </para>
    <para>
    The kernel will stop and wait as early as the I/O driver and
-   architecture will allow when you use this option.  If you build the
-   kgdb I/O driver as a kernel module kgdbwait will not do anything.
+   architecture allows when you use this option.  If you build the
+   kgdb I/O driver as a loadable kernel module kgdbwait will not do
+   anything.
    </para>
    </sect1>
-  <sect1 id="kgdboc">
-  <title>Kernel parameter: kgdboc</title>
-  <para>
-  The kgdboc driver was originally an abbreviation meant to stand for
-  "kgdb over console".  Kgdboc is designed to work with a single
-  serial port. It was meant to cover the circumstance
-  where you wanted to use a serial console as your primary console as
-  well as using it to perform kernel debugging.  Of course you can
-  also use kgdboc without assigning a console to the same port.
-  </para>
-  <sect2 id="UsingKgdboc">
-  <title>Using kgdboc</title>
-  <para>
-  You can configure kgdboc via sysfs or a module or kernel boot line
-  parameter depending on if you build with CONFIG_KGDBOC as a module
-  or built-in.
-  <orderedlist>
-  <listitem><para>From the module load or build-in</para>
-  <para><constant>kgdboc=&lt;tty-device&gt;,[baud]</constant></para>
-  <para>
-  The example here would be if your console port was typically ttyS0, you would use something like <constant>kgdboc=ttyS0,115200</constant> or on the ARM Versatile AB you would likely use <constant>kgdboc=ttyAMA0,115200</constant>
-  </para>
-  </listitem>
-  <listitem><para>From sysfs</para>
-  <para><constant>echo ttyS0 &gt; /sys/module/kgdboc/parameters/kgdboc</constant></para>
-  </listitem>
-  </orderedlist>
-  </para>
-  <para>
-  NOTE: Kgdboc does not support interrupting the target via the
-  gdb remote protocol.  You must manually send a sysrq-g unless you
-  have a proxy that splits console output to a terminal problem and
-  has a separate port for the debugger to connect to that sends the
-  sysrq-g for you.
-  </para>
-  <para>When using kgdboc with no debugger proxy, you can end up
-  connecting the debugger for one of two entry points.  If an
-  exception occurs after you have loaded kgdboc a message should print
-  on the console stating it is waiting for the debugger.  In case you
-  disconnect your terminal program and then connect the debugger in
-  its place.  If you want to interrupt the target system and forcibly
-  enter a debug session you have to issue a Sysrq sequence and then
-  type the letter <constant>g</constant>.  Then you disconnect the
-  terminal session and connect gdb.  Your options if you don't like
-  this are to hack gdb to send the sysrq-g for you as well as on the
-  initial connect, or to use a debugger proxy that allows an
-  unmodified gdb to do the debugging.
-  </para>
-  </sect2>
-  </sect1>
-  <sect1 id="kgdbcon">
-  <title>Kernel parameter: kgdbcon</title>
-  <para>
-  Kgdb supports using the gdb serial protocol to send console messages
-  to the debugger when the debugger is connected and running.  There
-  are two ways to activate this feature.
-  <orderedlist>
-  <listitem><para>Activate with the kernel command line option:</para>
-  <para><constant>kgdbcon</constant></para>
-  </listitem>
-  <listitem><para>Use sysfs before configuring an io driver</para>
-  <para>
-  <constant>echo 1 &gt; /sys/module/kgdb/parameters/kgdb_use_con</constant>
-  </para>
-  <para>
-  NOTE: If you do this after you configure the kgdb I/O driver, the
-  setting will not take effect until the next point the I/O is
-  reconfigured.
-  </para>
-  </listitem>
-  </orderedlist>
-  </para>
-  <para>
-  IMPORTANT NOTE: Using this option with kgdb over the console
-  (kgdboc) is not supported.
+   <sect1 id="kgdbcon">
+   <title>Kernel parameter: kgdbcon</title>
+   <para> The kgdbcon feature allows you to see printk() messages
+   inside gdb while gdb is connected to the kernel.  Kdb does not make
+    use of the kgdbcon feature.
+   </para>
+   <para>Kgdb supports using the gdb serial protocol to send console
+   messages to the debugger when the debugger is connected and running.
+   There are two ways to activate this feature.
+   <orderedlist>
+   <listitem><para>Activate with the kernel command line option:</para>
+   <para><constant>kgdbcon</constant></para>
+   </listitem>
+   <listitem><para>Use sysfs before configuring an I/O driver</para>
+   <para>
+   <constant>echo 1 &gt; /sys/module/kgdb/parameters/kgdb_use_con</constant>
+   </para>
+   <para>
+   NOTE: If you do this after you configure the kgdb I/O driver, the
+   setting will not take effect until the next point the I/O is
+   reconfigured.
+   </para>
+   </listitem>
+   </orderedlist>
+   <para>IMPORTANT NOTE: You cannot use kgdboc + kgdbcon on a tty that is an
+   active system console.  An example incorrect usage is <constant>console=ttyS0,115200 kgdboc=ttyS0 kgdbcon</constant>
+   </para>
+   <para>It is possible to use this option with kgdboc on a tty that is not a system console.
+   </para>
   </para>
   </sect1>
   </chapter>
-  <chapter id="ConnectingGDB">
-  <title>Connecting gdb</title>
+  <chapter id="usingKDB">
+  <title>Using kdb</title>
+  <para>
+  </para>
+  <sect1 id="quickKDBserial">
+  <title>Quick start for kdb on a serial port</title>
+  <para>This is a quick example of how to use kdb.</para>
+  <para><orderedlist>
+  <listitem><para>Boot kernel with arguments:
+  <itemizedlist>
+  <listitem><para><constant>console=ttyS0,115200 kgdboc=ttyS0,115200</constant></para></listitem>
+  </itemizedlist></para>
+  <para>OR</para>
+  <para>Configure kgdboc after the kernel booted; assuming you are using a serial port console:
+  <itemizedlist>
+  <listitem><para><constant>echo ttyS0 &gt; /sys/module/kgdboc/parameters/kgdboc</constant></para></listitem>
+  </itemizedlist>
+  </para>
+  </listitem>
+  <listitem><para>Enter the kernel debugger manually or by waiting for an oops or fault.  There are several ways you can enter the kernel debugger manually; all involve using the sysrq-g, which means you must have enabled CONFIG_MAGIC_SYSRQ=y in your kernel config.</para>
+  <itemizedlist>
+  <listitem><para>When logged in as root or with a super user session you can run:</para>
+   <para><constant>echo g &gt; /proc/sysrq-trigger</constant></para></listitem>
+  <listitem><para>Example using minicom 2.2</para>
+  <para>Press: <constant>Control-a</constant></para>
+  <para>Press: <constant>f</constant></para>
+  <para>Press: <constant>g</constant></para>
+  </listitem>
+  <listitem><para>When you have telneted to a terminal server that supports sending a remote break</para>
+  <para>Press: <constant>Control-]</constant></para>
+  <para>Type in:<constant>send break</constant></para>
+  <para>Press: <constant>Enter</constant></para>
+  <para>Press: <constant>g</constant></para>
+  </listitem>
+  </itemizedlist>
+  </listitem>
+  <listitem><para>From the kdb prompt you can run the "help" command to see a complete list of the commands that are available.</para>
+  <para>Some useful commands in kdb include:
+  <itemizedlist>
+  <listitem><para>lsmod  -- Shows where kernel modules are loaded</para></listitem>
+  <listitem><para>ps -- Displays only the active processes</para></listitem>
+  <listitem><para>ps A -- Shows all the processes</para></listitem>
+  <listitem><para>summary -- Shows kernel version info and memory usage</para></listitem>
+  <listitem><para>bt -- Get a backtrace of the current process using dump_stack()</para></listitem>
+  <listitem><para>dmesg -- View the kernel syslog buffer</para></listitem>
+  <listitem><para>go -- Continue the system</para></listitem>
+  </itemizedlist>
+  </para>
+  </listitem>
+  <listitem>
+  <para>When you are done using kdb you need to consider rebooting the
+  system or using the "go" command to resuming normal kernel
+  execution.  If you have paused the kernel for a lengthy period of
+  time, applications that rely on timely networking or anything to do
+  with real wall clock time could be adversely affected, so you
+  should take this into consideration when using the kernel
+  debugger.</para>
+  </listitem>
+  </orderedlist></para>
+  </sect1>
+  <sect1 id="quickKDBkeyboard">
+  <title>Quick start for kdb using a keyboard connected console</title>
+  <para>This is a quick example of how to use kdb with a keyboard.</para>
+  <para><orderedlist>
+  <listitem><para>Boot kernel with arguments:
+  <itemizedlist>
+  <listitem><para><constant>kgdboc=kbd</constant></para></listitem>
+  </itemizedlist></para>
+  <para>OR</para>
+  <para>Configure kgdboc after the kernel booted:
+  <itemizedlist>
+  <listitem><para><constant>echo kbd &gt; /sys/module/kgdboc/parameters/kgdboc</constant></para></listitem>
+  </itemizedlist>
+  </para>
+  </listitem>
+  <listitem><para>Enter the kernel debugger manually or by waiting for an oops or fault.  There are several ways you can enter the kernel debugger manually; all involve using the sysrq-g, which means you must have enabled CONFIG_MAGIC_SYSRQ=y in your kernel config.</para>
+  <itemizedlist>
+  <listitem><para>When logged in as root or with a super user session you can run:</para>
+   <para><constant>echo g &gt; /proc/sysrq-trigger</constant></para></listitem>
+  <listitem><para>Example using a laptop keyboard</para>
+  <para>Press and hold down: <constant>Alt</constant></para>
+  <para>Press and hold down: <constant>Fn</constant></para>
+  <para>Press and release the key with the label: <constant>SysRq</constant></para>
+  <para>Release: <constant>Fn</constant></para>
+  <para>Press and release: <constant>g</constant></para>
+  <para>Release: <constant>Alt</constant></para>
+  </listitem>
+  <listitem><para>Example using a PS/2 101-key keyboard</para>
+  <para>Press and hold down: <constant>Alt</constant></para>
+  <para>Press and release the key with the label: <constant>SysRq</constant></para>
+  <para>Press and release: <constant>g</constant></para>
+  <para>Release: <constant>Alt</constant></para>
+  </listitem>
+  </itemizedlist>
+  </listitem>
+  <listitem>
+  <para>Now type in a kdb command such as "help", "dmesg", "bt" or "go" to continue kernel execution.</para>
+  </listitem>
+  </orderedlist></para>
+  </sect1>
+  </chapter>
+  <chapter id="EnableKGDB">
+   <title>Using kgdb / gdb</title>
+   <para>In order to use kgdb you must activate it by passing
+   configuration information to one of the kgdb I/O drivers.  If you
+   do not pass any configuration information kgdb will not do anything
+   at all.  Kgdb will only actively hook up to the kernel trap hooks
+   if a kgdb I/O driver is loaded and configured.  If you unconfigure
+   a kgdb I/O driver, kgdb will unregister all the kernel hook points.
+   </para>
+   <para> All kgdb I/O drivers can be reconfigured at run time, if
+   <symbol>CONFIG_SYSFS</symbol> and <symbol>CONFIG_MODULES</symbol>
+   are enabled, by echo'ing a new config string to
+   <constant>/sys/module/&lt;driver&gt;/parameter/&lt;option&gt;</constant>.
+   The driver can be unconfigured by passing an empty string.  You cannot
+   change the configuration while the debugger is attached.  Make sure
+   to detach the debugger with the <constant>detach</constant> command
+   prior to trying to unconfigure a kgdb I/O driver.
+   </para>
+  <sect1 id="ConnectingGDB">
+  <title>Connecting with gdb to a serial port</title>
+  <orderedlist>
+  <listitem><para>Configure kgdboc</para>
+   <para>Boot kernel with arguments:
+   <itemizedlist>
+    <listitem><para><constant>kgdboc=ttyS0,115200</constant></para></listitem>
+   </itemizedlist></para>
+   <para>OR</para>
+   <para>Configure kgdboc after the kernel booted:
+   <itemizedlist>
+    <listitem><para><constant>echo ttyS0 &gt; /sys/module/kgdboc/parameters/kgdboc</constant></para></listitem>
+   </itemizedlist></para>
+  </listitem>
+  <listitem>
+  <para>Stop kernel execution (break into the debugger)</para>
+  <para>In order to connect to gdb via kgdboc, the kernel must
+  first be stopped.  There are several ways to stop the kernel which
+  include using kgdbwait as a boot argument, via a sysrq-g, or running
+  the kernel until it takes an exception where it waits for the
+  debugger to attach.
+  <itemizedlist>
+  <listitem><para>When logged in as root or with a super user session you can run:</para>
+   <para><constant>echo g &gt; /proc/sysrq-trigger</constant></para></listitem>
+  <listitem><para>Example using minicom 2.2</para>
+  <para>Press: <constant>Control-a</constant></para>
+  <para>Press: <constant>f</constant></para>
+  <para>Press: <constant>g</constant></para>
+  </listitem>
+  <listitem><para>When you have telneted to a terminal server that supports sending a remote break</para>
+  <para>Press: <constant>Control-]</constant></para>
+  <para>Type in:<constant>send break</constant></para>
+  <para>Press: <constant>Enter</constant></para>
+  <para>Press: <constant>g</constant></para>
+  </listitem>
+  </itemizedlist>
+  </para>
+  </listitem>
+  <listitem>
+    <para>Connect from from gdb</para>
     <para>
-    If you are using kgdboc, you need to have used kgdbwait as a boot
-    argument, issued a sysrq-g, or the system you are going to debug
-    has already taken an exception and is waiting for the debugger to
-    attach before you can connect gdb.
-    </para>
-    <para>
-    If you are not using different kgdb I/O driver other than kgdboc,
-    you should be able to connect and the target will automatically
-    respond.
-    </para>
-    <para>
-    Example (using a serial port):
+    Example (using a directly connected port):
     </para>
     <programlisting>
     % gdb ./vmlinux
@@ -266,7 +499,7 @@
     (gdb) target remote /dev/ttyS0
     </programlisting>
     <para>
-    Example (kgdb to a terminal server on tcp port 2012):
+    Example (kgdb to a terminal server on TCP port 2012):
     </para>
     <programlisting>
     % gdb ./vmlinux
@@ -283,6 +516,83 @@
     communications.  You do this prior to issuing the <constant>target
     remote</constant> command by typing in: <constant>set debug remote 1</constant>
     </para>
+  </listitem>
+  </orderedlist>
+  <para>Remember if you continue in gdb, and need to "break in" again,
+  you need to issue an other sysrq-g.  It is easy to create a simple
+  entry point by putting a breakpoint at <constant>sys_sync</constant>
+  and then you can run "sync" from a shell or script to break into the
+  debugger.</para>
+  </sect1>
+  </chapter>
+  <chapter id="switchKdbKgdb">
+  <title>kgdb and kdb interoperability</title>
+  <para>It is possible to transition between kdb and kgdb dynamically.
+  The debug core will remember which you used the last time and
+  automatically start in the same mode.</para>
+  <sect1>
+  <title>Switching between kdb and kgdb</title>
+  <sect2>
+  <title>Switching from kgdb to kdb</title>
+  <para>
+  There are two ways to switch from kgdb to kdb: you can use gdb to
+  issue a maintenance packet, or you can blindly type the command $3#33.
+  Whenever kernel debugger stops in kgdb mode it will print the
+  message <constant>KGDB or $3#33 for KDB</constant>.  It is important
+  to note that you have to type the sequence correctly in one pass.
+  You cannot type a backspace or delete because kgdb will interpret
+  that as part of the debug stream.
+  <orderedlist>
+  <listitem><para>Change from kgdb to kdb by blindly typing:</para>
+  <para><constant>$3#33</constant></para></listitem>
+  <listitem><para>Change from kgdb to kdb with gdb</para>
+  <para><constant>maintenance packet 3</constant></para>
+  <para>NOTE: Now you must kill gdb. Typically you press control-z and
+  issue the command: kill -9 %</para></listitem>
+  </orderedlist>
+  </para>
+  </sect2>
+  <sect2>
+  <title>Change from kdb to kgdb</title>
+  <para>There are two ways you can change from kdb to kgdb.  You can
+  manually enter kgdb mode by issuing the kgdb command from the kdb
+  shell prompt, or you can connect gdb while the kdb shell prompt is
+  active.  The kdb shell looks for the typical first commands that gdb
+  would issue with the gdb remote protocol and if it sees one of those
+  commands it automatically changes into kgdb mode.</para>
+  <orderedlist>
+  <listitem><para>From kdb issue the command:</para>
+  <para><constant>kgdb</constant></para>
+  <para>Now disconnect your terminal program and connect gdb in its place</para></listitem>
+  <listitem><para>At the kdb prompt, disconnect the terminal program and connect gdb in its place.</para></listitem>
+  </orderedlist>
+  </sect2>
+  </sect1>
+  <sect1>
+  <title>Running kdb commands from gdb</title>
+  <para>It is possible to run a limited set of kdb commands from gdb,
+  using the gdb monitor command.  You don't want to execute any of the
+  run control or breakpoint operations, because it can disrupt the
+  state of the kernel debugger.  You should be using gdb for
+  breakpoints and run control operations if you have gdb connected.
+  The more useful commands to run are things like lsmod, dmesg, ps or
+  possibly some of the memory information commands.  To see all the kdb
+  commands you can run <constant>monitor help</constant>.</para>
+  <para>Example:
+  <informalexample><programlisting>
+(gdb) monitor ps
+1 idle process (state I) and
+27 sleeping system daemon (state M) processes suppressed,
+use 'ps A' to see all.
+Task Addr       Pid   Parent [*] cpu State Thread     Command
+
+0xc78291d0        1        0  0    0   S  0xc7829404  init
+0xc7954150      942        1  0    0   S  0xc7954384  dropbear
+0xc78789c0      944        1  0    0   S  0xc7878bf4  sh
+(gdb)
+  </programlisting></informalexample>
+  </para>
+  </sect1>
   </chapter>
   <chapter id="KGDBTestSuite">
     <title>kgdb Test Suite</title>
@@ -309,34 +619,36 @@
     </para>
   </chapter>
   <chapter id="CommonBackEndReq">
-  <title>KGDB Internals</title>
+  <title>Kernel Debugger Internals</title>
   <sect1 id="kgdbArchitecture">
     <title>Architecture Specifics</title>
       <para>
-      Kgdb is organized into three basic components:
+      The kernel debugger is organized into a number of components:
       <orderedlist>
-      <listitem><para>kgdb core</para>
+      <listitem><para>The debug core</para>
       <para>
-      The kgdb core is found in kernel/kgdb.c.  It contains:
+      The debug core is found in kernel/debugger/debug_core.c.  It contains:
       <itemizedlist>
-      <listitem><para>All the logic to implement the gdb serial protocol</para></listitem>
-      <listitem><para>A generic OS exception handler which includes sync'ing the processors into a stopped state on an multi cpu system.</para></listitem>
+      <listitem><para>A generic OS exception handler which includes
+      sync'ing the processors into a stopped state on an multi-CPU
+      system.</para></listitem>
       <listitem><para>The API to talk to the kgdb I/O drivers</para></listitem>
-      <listitem><para>The API to make calls to the arch specific kgdb implementation</para></listitem>
+      <listitem><para>The API to make calls to the arch-specific kgdb implementation</para></listitem>
       <listitem><para>The logic to perform safe memory reads and writes to memory while using the debugger</para></listitem>
       <listitem><para>A full implementation for software breakpoints unless overridden by the arch</para></listitem>
+      <listitem><para>The API to invoke either the kdb or kgdb frontend to the debug core.</para></listitem>
       </itemizedlist>
       </para>
       </listitem>
-      <listitem><para>kgdb arch specific implementation</para>
+      <listitem><para>kgdb arch-specific implementation</para>
       <para>
       This implementation is generally found in arch/*/kernel/kgdb.c.
       As an example, arch/x86/kernel/kgdb.c contains the specifics to
       implement HW breakpoint as well as the initialization to
       dynamically register and unregister for the trap handlers on
-      this architecture.  The arch specific portion implements:
+      this architecture.  The arch-specific portion implements:
       <itemizedlist>
-      <listitem><para>contains an arch specific trap catcher which
+      <listitem><para>contains an arch-specific trap catcher which
       invokes kgdb_handle_exception() to start kgdb about doing its
       work</para></listitem>
       <listitem><para>translation to and from gdb specific packet format to pt_regs</para></listitem>
@@ -347,11 +659,35 @@
       </itemizedlist>
       </para>
       </listitem>
+      <listitem><para>gdbstub frontend (aka kgdb)</para>
+      <para>The gdbstub is located in kernel/debug/gdbstub.c. It contains:</para>
+      <itemizedlist>
+        <listitem><para>All the logic to implement the gdb serial protocol</para></listitem>
+      </itemizedlist>
+      </listitem>
+      <listitem><para>kdb frontend</para>
+      <para>The kdb debugger shell is broken down into a number of
+      components.  The kdb core is located in kernel/debug/kdb.  There
+      are a number of helper functions in some of the other kernel
+      components to make it possible for kdb to examine and report
+      information about the kernel without taking locks that could
+      cause a kernel deadlock.  The kdb core contains implements the following functionality.</para>
+      <itemizedlist>
+        <listitem><para>A simple shell</para></listitem>
+        <listitem><para>The kdb core command set</para></listitem>
+        <listitem><para>A registration API to register additional kdb shell commands.</para>
+        <para>A good example of a self-contained kdb module is the "ftdump" command for dumping the ftrace buffer.  See: kernel/trace/trace_kdb.c</para></listitem>
+        <listitem><para>The implementation for kdb_printf() which
+        emits messages directly to I/O drivers, bypassing the kernel
+        log.</para></listitem>
+        <listitem><para>SW / HW breakpoint management for the kdb shell</para></listitem>
+      </itemizedlist>
+      </listitem>
       <listitem><para>kgdb I/O driver</para>
       <para>
-      Each kgdb I/O driver has to provide an implemenation for the following:
+      Each kgdb I/O driver has to provide an implementation for the following:
       <itemizedlist>
-      <listitem><para>configuration via builtin or module</para></listitem>
+      <listitem><para>configuration via built-in or module</para></listitem>
       <listitem><para>dynamic configuration and kgdb hook registration calls</para></listitem>
       <listitem><para>read and write character interface</para></listitem>
       <listitem><para>A cleanup handler for unconfiguring from the kgdb core</para></listitem>
@@ -416,15 +752,15 @@
   underlying low level to the hardware driver having "polling hooks"
   which the to which the tty driver is attached.  In the initial
   implementation of kgdboc it the serial_core was changed to expose a
-  low level uart hook for doing polled mode reading and writing of a
+  low level UART hook for doing polled mode reading and writing of a
   single character while in an atomic context.  When kgdb makes an I/O
   request to the debugger, kgdboc invokes a call back in the serial
-  core which in turn uses the call back in the uart driver.  It is
-  certainly possible to extend kgdboc to work with non-uart based
+  core which in turn uses the call back in the UART driver.  It is
+  certainly possible to extend kgdboc to work with non-UART based
   consoles in the future.
   </para>
   <para>
-  When using kgdboc with a uart, the uart driver must implement two callbacks in the <constant>struct uart_ops</constant>. Example from drivers/8250.c:<programlisting>
+  When using kgdboc with a UART, the UART driver must implement two callbacks in the <constant>struct uart_ops</constant>. Example from drivers/8250.c:<programlisting>
 #ifdef CONFIG_CONSOLE_POLL
 	.poll_get_char = serial8250_get_poll_char,
 	.poll_put_char = serial8250_put_poll_char,
@@ -434,7 +770,7 @@
   <constant>#ifdef CONFIG_CONSOLE_POLL</constant>, as shown above.
   Keep in mind that polling hooks have to be implemented in such a way
   that they can be called from an atomic context and have to restore
-  the state of the uart chip on return such that the system can return
+  the state of the UART chip on return such that the system can return
   to normal when the debugger detaches.  You need to be very careful
   with any kind of lock you consider, because failing here is most
   going to mean pressing the reset button.
@@ -453,6 +789,10 @@
 		<itemizedlist>
 		<listitem><para>Jason Wessel<email>jason.wessel@windriver.com</email></para></listitem>
 		</itemizedlist>
+                In Jan 2010 this document was updated to include kdb.
+		<itemizedlist>
+		<listitem><para>Jason Wessel<email>jason.wessel@windriver.com</email></para></listitem>
+		</itemizedlist>
 	</para>
   </chapter>
 </book>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 3845e3a84a5..bdce359820b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -58,6 +58,7 @@ parameter is applicable:
 	ISAPNP	ISA PnP code is enabled.
 	ISDN	Appropriate ISDN support is enabled.
 	JOY	Appropriate joystick support is enabled.
+	KGDB	Kernel debugger support is enabled.
 	KVM	Kernel Virtual Machine support is enabled.
 	LIBATA  Libata driver is enabled
 	LP	Printer support is enabled.
@@ -1120,13 +1121,16 @@ and is between 256 and 4096 characters. It is defined in the file
 			use the HighMem zone if it exists, and the Normal
 			zone if it does not.
 
-	kgdboc=		[HW] kgdb over consoles.
+	kgdboc=		[KGDB,HW] kgdb over consoles.
 			Requires a tty driver that supports console polling,
 			or a supported polling keyboard driver (non-usb).
 			Serial only format: <serial_device>[,baud]
 			keyboard only format: kbd
 			keyboard and serial format: kbd,<serial_device>[,baud]
 
+	kgdbwait	[KGDB] Stop kernel execution and enter the
+			kernel debugger at the earliest opportunity.
+
 	kmac=		[MIPS] korina ethernet MAC address.
 			Configure the RouterBoard 532 series on-chip
 			Ethernet adapter MAC address.
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 5b37df00000..407edb1e0c4 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -204,6 +204,17 @@ kgdb_arch_handle_exception(int vector, int signo, int err_code,
  */
 extern void kgdb_roundup_cpus(unsigned long flags);
 
+/**
+ *	kgdb_arch_set_pc - Generic call back to the program counter
+ *	@regs: Current &struct pt_regs.
+ *  @pc: The new value for the program counter
+ *
+ *	This function handles updating the program counter and requires an
+ *	architecture specific implementation.
+ */
+extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc);
+
+
 /* Optional functions. */
 extern int kgdb_validate_break_address(unsigned long addr);
 extern int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr);
@@ -264,7 +275,6 @@ extern struct kgdb_arch		arch_kgdb_ops;
 
 extern unsigned long __weak kgdb_arch_pc(int exception, struct pt_regs *regs);
 
-extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc);
 extern int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops);
 extern void kgdb_unregister_io_module(struct kgdb_io *local_kgdb_io_ops);
 extern struct kgdb_io *dbg_io_ops;

From 98ec1878cacb393975cba64f7392eece81716cb4 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Mon, 27 Apr 2009 10:58:06 -0500
Subject: [PATCH 2420/3638] kgdb: remove post_primary_code references

Remove all the references to the kgdb_post_primary_code.  This
function serves no useful purpose because you can obtain the same
information from the "struct kgdb_state *ks" from with in the
debugger, if for some reason you want the data.

Also remove the unintentional duplicate assignment for ks->ex_vector.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 arch/x86/kernel/kgdb.c    | 29 -----------------------------
 include/linux/kgdb.h      | 14 --------------
 kernel/debug/debug_core.c |  8 --------
 3 files changed, 51 deletions(-)

diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index f95a2c0b915..acba5716993 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -47,20 +47,8 @@
 #include <asm/debugreg.h>
 #include <asm/apicdef.h>
 #include <asm/system.h>
-
 #include <asm/apic.h>
 
-/*
- * Put the error code here just in case the user cares:
- */
-static int gdb_x86errcode;
-
-/*
- * Likewise, the vector number here (since GDB only gets the signal
- * number through the usual means, and that's not very specific):
- */
-static int gdb_x86vector = -1;
-
 /**
  *	pt_regs_to_gdb_regs - Convert ptrace regs to GDB regs
  *	@gdb_regs: A pointer to hold the registers in the order GDB wants.
@@ -399,23 +387,6 @@ void kgdb_disable_hw_debug(struct pt_regs *regs)
 	}
 }
 
-/**
- *	kgdb_post_primary_code - Save error vector/code numbers.
- *	@regs: Original pt_regs.
- *	@e_vector: Original error vector.
- *	@err_code: Original error code.
- *
- *	This is needed on architectures which support SMP and KGDB.
- *	This function is called after all the slave cpus have been put
- *	to a know spin state and the primary CPU has control over KGDB.
- */
-void kgdb_post_primary_code(struct pt_regs *regs, int e_vector, int err_code)
-{
-	/* primary processor is completely in the debugger */
-	gdb_x86vector = e_vector;
-	gdb_x86errcode = err_code;
-}
-
 #ifdef CONFIG_SMP
 /**
  *	kgdb_roundup_cpus - Get other CPUs into a holding pattern
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 407edb1e0c4..406f6f9286f 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -35,20 +35,6 @@ struct pt_regs;
  */
 extern int kgdb_skipexception(int exception, struct pt_regs *regs);
 
-/**
- *	kgdb_post_primary_code - (optional) Save error vector/code numbers.
- *	@regs: Original pt_regs.
- *	@e_vector: Original error vector.
- *	@err_code: Original error code.
- *
- *	This is usually needed on architectures which support SMP and
- *	KGDB.  This function is called after all the secondary cpus have
- *	been put to a know spin state and the primary CPU has control over
- *	KGDB.
- */
-extern void kgdb_post_primary_code(struct pt_regs *regs, int e_vector,
-				  int err_code);
-
 /**
  *	kgdb_disable_hw_debug - (optional) Disable hardware debugging hook
  *	@regs: Current &struct pt_regs.
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 1aed37b4c56..88a83a22537 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -203,12 +203,6 @@ int __weak kgdb_skipexception(int exception, struct pt_regs *regs)
 	return 0;
 }
 
-void __weak
-kgdb_post_primary_code(struct pt_regs *regs, int e_vector, int err_code)
-{
-	return;
-}
-
 /**
  *	kgdb_disable_hw_debug - Disable hardware debugging while we in kgdb.
  *	@regs: Current &struct pt_regs.
@@ -588,7 +582,6 @@ return_normal:
 	 * At this point the primary processor is completely
 	 * in the debugger and all secondary CPUs are quiescent
 	 */
-	kgdb_post_primary_code(ks->linux_regs, ks->ex_vector, ks->err_code);
 	dbg_deactivate_sw_breakpoints();
 	kgdb_single_step = 0;
 	kgdb_contthread = current;
@@ -678,7 +671,6 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
 	ks->cpu			= raw_smp_processor_id();
 	ks->ex_vector		= evector;
 	ks->signo		= signo;
-	ks->ex_vector		= evector;
 	ks->err_code		= ecode;
 	ks->kgdb_usethreadid	= 0;
 	ks->linux_regs		= regs;

From f503b5ae53cb557ac351a668fcac1baab1cef0db Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:25 -0500
Subject: [PATCH 2421/3638] x86,kgdb: Add low level debug hook

The only way the debugger can handle a trap in inside rcu_lock,
notify_die, or atomic_notifier_call_chain without a triple fault is
to have a low level "first opportunity handler" in the int3 exception
handler.

Generally this will be something the vast majority of folks will not
need, but for those who need it, it is added as a kernel .config
option called KGDB_LOW_LEVEL_TRAP.

CC: Ingo Molnar <mingo@elte.hu>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: H. Peter Anvin <hpa@zytor.com>
CC: x86@kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 arch/x86/include/asm/kgdb.h |  3 +++
 arch/x86/kernel/kgdb.c      | 22 +++++++++++++++++++++-
 arch/x86/kernel/traps.c     |  6 ++++++
 include/linux/kgdb.h        |  1 +
 kernel/debug/debug_core.c   |  2 +-
 lib/Kconfig.kgdb            |  9 +++++++++
 6 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/kgdb.h b/arch/x86/include/asm/kgdb.h
index e6c6c808489..006da3687cd 100644
--- a/arch/x86/include/asm/kgdb.h
+++ b/arch/x86/include/asm/kgdb.h
@@ -76,4 +76,7 @@ static inline void arch_kgdb_breakpoint(void)
 #define BREAK_INSTR_SIZE	1
 #define CACHE_FLUSH_IS_SAFE	1
 
+extern int kgdb_ll_trap(int cmd, const char *str,
+			struct pt_regs *regs, long err, int trap, int sig);
+
 #endif /* _ASM_X86_KGDB_H */
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index acba5716993..95b89d4cb8f 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -538,7 +538,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd)
 			return NOTIFY_DONE;
 	}
 
-	if (kgdb_handle_exception(args->trapnr, args->signr, args->err, regs))
+	if (kgdb_handle_exception(args->trapnr, args->signr, cmd, regs))
 		return NOTIFY_DONE;
 
 	/* Must touch watchdog before return to normal operation */
@@ -546,6 +546,26 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd)
 	return NOTIFY_STOP;
 }
 
+#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
+int kgdb_ll_trap(int cmd, const char *str,
+		 struct pt_regs *regs, long err, int trap, int sig)
+{
+	struct die_args args = {
+		.regs	= regs,
+		.str	= str,
+		.err	= err,
+		.trapnr	= trap,
+		.signr	= sig,
+
+	};
+
+	if (!kgdb_io_module_registered)
+		return NOTIFY_DONE;
+
+	return __kgdb_notify(&args, cmd);
+}
+#endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */
+
 static int
 kgdb_notify(struct notifier_block *self, unsigned long cmd, void *ptr)
 {
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 02cfb9b8f5b..7eaad4c5110 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -15,6 +15,7 @@
 #include <linux/kprobes.h>
 #include <linux/uaccess.h>
 #include <linux/kdebug.h>
+#include <linux/kgdb.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/ptrace.h>
@@ -451,6 +452,11 @@ void restart_nmi(void)
 /* May run on IST stack. */
 dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
 {
+#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
+	if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
+			== NOTIFY_STOP)
+		return;
+#endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */
 #ifdef CONFIG_KPROBES
 	if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
 			== NOTIFY_STOP)
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 406f6f9286f..19d1b29a269 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -60,6 +60,7 @@ struct uart_port;
 void kgdb_breakpoint(void);
 
 extern int kgdb_connected;
+extern int kgdb_io_module_registered;
 
 extern atomic_t			kgdb_setting_breakpoint;
 extern atomic_t			kgdb_cpu_doing_single_step;
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 88a83a22537..375e42f0baf 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -66,7 +66,7 @@ int				kgdb_connected;
 EXPORT_SYMBOL_GPL(kgdb_connected);
 
 /* All the KGDB handlers are installed */
-static int			kgdb_io_module_registered;
+int			kgdb_io_module_registered;
 
 /* Guard for recursive entry */
 static int			exception_level;
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index ee8ae7132f2..c56ccb4ad29 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -57,6 +57,15 @@ config KGDB_TESTS_BOOT_STRING
 	  information about other strings you could use beyond the
 	  default of V1F100.
 
+config KGDB_LOW_LEVEL_TRAP
+       bool "KGDB: Allow debugging with traps in notifiers"
+       depends on X86
+       default n
+       help
+         This will add an extra call back to kgdb for the breakpoint
+         exception handler on which will will allow kgdb to step
+         through a notify handler.
+
 config KGDB_KDB
 	bool "KGDB_KDB: include kdb frontend for kgdb"
 	default n

From ba797b28131b1f1367b662936ea370239d603cff Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:25 -0500
Subject: [PATCH 2422/3638] powerpc,kgdb: Introduce low level trap catching

The only way the debugger can handle a trap in inside rcu_lock,
notify_die, or atomic_notifier_call_chain without a recursive fault is
to allow the kernel debugger to handle the exception first in
program_check_exception().

The other change here is to make sure that kgdb_handle_exception() is
called with correct parameters when catching an oops, because kdb
needs to know if the entry was an oops, single step, or breakpoint
exception.

[benh@kernel.crashing.org: move debugger_bpt instead of #ifdef]

CC: Paul Mackerras <paulus@samba.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/kgdb.c  | 6 ++++--
 arch/powerpc/kernel/traps.c | 7 +++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index c81e3de1306..82a7b228c81 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -20,6 +20,7 @@
 #include <linux/smp.h>
 #include <linux/signal.h>
 #include <linux/ptrace.h>
+#include <linux/kdebug.h>
 #include <asm/current.h>
 #include <asm/processor.h>
 #include <asm/machdep.h>
@@ -115,7 +116,8 @@ void kgdb_roundup_cpus(unsigned long flags)
 /* KGDB functions to use existing PowerPC64 hooks. */
 static int kgdb_debugger(struct pt_regs *regs)
 {
-	return kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs);
+	return !kgdb_handle_exception(1, computeSignal(TRAP(regs)),
+				      DIE_OOPS, regs);
 }
 
 static int kgdb_handle_breakpoint(struct pt_regs *regs)
@@ -123,7 +125,7 @@ static int kgdb_handle_breakpoint(struct pt_regs *regs)
 	if (user_mode(regs))
 		return 0;
 
-	if (kgdb_handle_exception(0, SIGTRAP, 0, regs) != 0)
+	if (kgdb_handle_exception(1, SIGTRAP, 0, regs) != 0)
 		return 0;
 
 	if (*(u32 *) (regs->nip) == *(u32 *) (&arch_kgdb_ops.gdb_bpt_instr))
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 29d128eb6c4..b6859aade9c 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -815,12 +815,15 @@ void __kprobes program_check_exception(struct pt_regs *regs)
 		return;
 	}
 	if (reason & REASON_TRAP) {
+		/* Debugger is first in line to stop recursive faults in
+		 * rcu_lock, notify_die, or atomic_notifier_call_chain */
+		if (debugger_bpt(regs))
+			return;
+
 		/* trap exception */
 		if (notify_die(DIE_BPT, "breakpoint", regs, 5, 5, SIGTRAP)
 				== NOTIFY_STOP)
 			return;
-		if (debugger_bpt(regs))
-			return;
 
 		if (!(regs->msr & MSR_PR) &&  /* not user-mode */
 		    report_bug(regs->nip, regs) == BUG_TRAP_TYPE_WARN) {

From 5dd11d5d47d248850c58292513f0e164ba98b01e Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:26 -0500
Subject: [PATCH 2423/3638] mips,kgdb: kdb low level trap catch and stack trace

The only way the debugger can handle a trap in inside rcu_lock,
notify_die, or atomic_notifier_call_chain without a recursive fault is
to have a low level "first opportunity handler" do_trap_or_bp() handler.

Generally this will be something the vast majority of folks will not
need, but for those who need it, it is added as a kernel .config
option called KGDB_LOW_LEVEL_TRAP.

Also added was a die notification for oops such that kdb can catch an
oops for analysis.

There appeared to be no obvious way to pass the struct pt_regs from
the original exception back to the stack back tracer, so a special
case was added to show_stack() for when kdb is active because you
generally desire to generally look at the back trace of the original
exception.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/include/asm/kgdb.h |  2 ++
 arch/mips/kernel/kgdb.c      | 22 +++++++++++++++++++++-
 arch/mips/kernel/traps.c     | 13 +++++++++++++
 lib/Kconfig.kgdb             |  2 +-
 4 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/arch/mips/include/asm/kgdb.h b/arch/mips/include/asm/kgdb.h
index 48223b09396..19002d605ac 100644
--- a/arch/mips/include/asm/kgdb.h
+++ b/arch/mips/include/asm/kgdb.h
@@ -38,6 +38,8 @@ extern int kgdb_early_setup;
 extern void *saved_vectors[32];
 extern void handle_exception(struct pt_regs *regs);
 extern void breakinst(void);
+extern int kgdb_ll_trap(int cmd, const char *str,
+			struct pt_regs *regs, long err, int trap, int sig);
 
 #endif				/* __KERNEL__ */
 
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index 6ed4c83c869..9b78ff6e9b8 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -203,7 +203,7 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
 	if (atomic_read(&kgdb_active) != -1)
 		kgdb_nmicallback(smp_processor_id(), regs);
 
-	if (kgdb_handle_exception(trap, compute_signal(trap), 0, regs))
+	if (kgdb_handle_exception(trap, compute_signal(trap), cmd, regs))
 		return NOTIFY_DONE;
 
 	if (atomic_read(&kgdb_setting_breakpoint))
@@ -217,6 +217,26 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
 	return NOTIFY_STOP;
 }
 
+#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
+int kgdb_ll_trap(int cmd, const char *str,
+		 struct pt_regs *regs, long err, int trap, int sig)
+{
+	struct die_args args = {
+		.regs	= regs,
+		.str	= str,
+		.err	= err,
+		.trapnr	= trap,
+		.signr	= sig,
+
+	};
+
+	if (!kgdb_io_module_registered)
+		return NOTIFY_DONE;
+
+	return kgdb_mips_notify(NULL, cmd, &args);
+}
+#endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */
+
 static struct notifier_block kgdb_notifier = {
 	.notifier_call = kgdb_mips_notify,
 };
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index d612c6dcb74..950bde8813f 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -26,6 +26,7 @@
 #include <linux/kgdb.h>
 #include <linux/kdebug.h>
 #include <linux/notifier.h>
+#include <linux/kdb.h>
 
 #include <asm/bootinfo.h>
 #include <asm/branch.h>
@@ -185,6 +186,11 @@ void show_stack(struct task_struct *task, unsigned long *sp)
 			regs.regs[29] = task->thread.reg29;
 			regs.regs[31] = 0;
 			regs.cp0_epc = task->thread.reg31;
+#ifdef CONFIG_KGDB_KDB
+		} else if (atomic_read(&kgdb_active) != -1 &&
+			   kdb_current_regs) {
+			memcpy(&regs, kdb_current_regs, sizeof(regs));
+#endif /* CONFIG_KGDB_KDB */
 		} else {
 			prepare_frametrace(&regs);
 		}
@@ -360,6 +366,8 @@ void __noreturn die(const char * str, struct pt_regs * regs)
 	unsigned long dvpret = dvpe();
 #endif /* CONFIG_MIPS_MT_SMTC */
 
+	notify_die(DIE_OOPS, str, (struct pt_regs *)regs, SIGSEGV, 0, 0);
+
 	console_verbose();
 	spin_lock_irq(&die_lock);
 	bust_spinlocks(1);
@@ -704,6 +712,11 @@ static void do_trap_or_bp(struct pt_regs *regs, unsigned int code,
 	siginfo_t info;
 	char b[40];
 
+#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
+	if (kgdb_ll_trap(DIE_TRAP, str, regs, code, 0, 0) == NOTIFY_STOP)
+		return;
+#endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */
+
 	if (notify_die(DIE_TRAP, str, regs, code, 0, 0) == NOTIFY_STOP)
 		return;
 
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index c56ccb4ad29..43cb93fa265 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -59,7 +59,7 @@ config KGDB_TESTS_BOOT_STRING
 
 config KGDB_LOW_LEVEL_TRAP
        bool "KGDB: Allow debugging with traps in notifiers"
-       depends on X86
+       depends on X86 || MIPS
        default n
        help
          This will add an extra call back to kgdb for the breakpoint

From 1cee5e35f15d0893be1ba944f1aec8676e43ab76 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Wed, 3 Jun 2009 14:06:57 -0500
Subject: [PATCH 2424/3638] kgdb: Add the ability to schedule a breakpoint via
 a tasklet

Some kgdb I/O modules require the ability to create a breakpoint
tasklet, such as kgdboc and external modules such as kgdboe.  The
breakpoint tasklet is used as an asynchronous entry point into the
debugger which will have a different function scope than the current
execution path where it might not be safe to have an inline
breakpoint.  This is true of some of the kgdb I/O drivers which share
code with kgdb and rest of the kernel users.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 include/linux/kgdb.h      |  1 +
 kernel/debug/debug_core.c | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 19d1b29a269..ee007ea341b 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -271,6 +271,7 @@ extern int kgdb_mem2hex(char *mem, char *buf, int count);
 extern int kgdb_hex2mem(char *buf, char *mem, int count);
 
 extern int kgdb_isremovedbreak(unsigned long addr);
+extern void kgdb_schedule_breakpoint(void);
 
 extern int
 kgdb_handle_exception(int ex_vector, int signo, int err_code,
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 375e42f0baf..fff59019cca 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -114,6 +114,7 @@ EXPORT_SYMBOL_GPL(kgdb_active);
  */
 static atomic_t			passive_cpu_wait[NR_CPUS];
 static atomic_t			cpu_in_kgdb[NR_CPUS];
+static atomic_t			kgdb_break_tasklet_var;
 atomic_t			kgdb_setting_breakpoint;
 
 struct task_struct		*kgdb_usethread;
@@ -789,6 +790,31 @@ static void kgdb_unregister_callbacks(void)
 	}
 }
 
+/*
+ * There are times a tasklet needs to be used vs a compiled in
+ * break point so as to cause an exception outside a kgdb I/O module,
+ * such as is the case with kgdboe, where calling a breakpoint in the
+ * I/O driver itself would be fatal.
+ */
+static void kgdb_tasklet_bpt(unsigned long ing)
+{
+	kgdb_breakpoint();
+	atomic_set(&kgdb_break_tasklet_var, 0);
+}
+
+static DECLARE_TASKLET(kgdb_tasklet_breakpoint, kgdb_tasklet_bpt, 0);
+
+void kgdb_schedule_breakpoint(void)
+{
+	if (atomic_read(&kgdb_break_tasklet_var) ||
+		atomic_read(&kgdb_active) != -1 ||
+		atomic_read(&kgdb_setting_breakpoint))
+		return;
+	atomic_inc(&kgdb_break_tasklet_var);
+	tasklet_schedule(&kgdb_tasklet_breakpoint);
+}
+EXPORT_SYMBOL_GPL(kgdb_schedule_breakpoint);
+
 static void kgdb_initial_breakpoint(void)
 {
 	kgdb_break_asap = 0;

From efe2f29e324fd20e0449bcd6dc6dbe4734c2ba94 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:26 -0500
Subject: [PATCH 2425/3638] kgdboc,kdb: Allow kdb to work on a non open console
 port

If kdb is open on a serial port that is not actually a console make
sure to call the poll routines to emit and receive characters.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Martin Hicks <mort@sgi.com>
---
 drivers/serial/kgdboc.c   | 14 ++++++++++++++
 include/linux/kgdb.h      |  3 +++
 kernel/debug/kdb/kdb_io.c | 16 ++++++++++++++++
 3 files changed, 33 insertions(+)

diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c
index ecef6e1a599..b765ab48dfe 100644
--- a/drivers/serial/kgdboc.c
+++ b/drivers/serial/kgdboc.c
@@ -16,6 +16,7 @@
 #include <linux/kgdb.h>
 #include <linux/kdb.h>
 #include <linux/tty.h>
+#include <linux/console.h>
 
 #define MAX_CONFIG_LEN		40
 
@@ -93,12 +94,14 @@ static int configure_kgdboc(void)
 	int tty_line = 0;
 	int err;
 	char *cptr = config;
+	struct console *cons;
 
 	err = kgdboc_option_setup(config);
 	if (err || !strlen(config) || isspace(config[0]))
 		goto noconfig;
 
 	err = -ENODEV;
+	kgdboc_io_ops.is_console = 0;
 	kgdb_tty_driver = NULL;
 
 	if (kgdboc_register_kbd(&cptr))
@@ -108,6 +111,17 @@ static int configure_kgdboc(void)
 	if (!p)
 		goto noconfig;
 
+	cons = console_drivers;
+	while (cons) {
+		int idx;
+		if (cons->device && cons->device(cons, &idx) == p &&
+		    idx == tty_line) {
+			kgdboc_io_ops.is_console = 1;
+			break;
+		}
+		cons = cons->next;
+	}
+
 	kgdb_tty_driver = p;
 	kgdb_tty_line = tty_line;
 
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index ee007ea341b..6c784ab6856 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -247,6 +247,8 @@ struct kgdb_arch {
  * the I/O driver.
  * @post_exception: Pointer to a function that will do any cleanup work
  * for the I/O driver.
+ * @is_console: 1 if the end device is a console 0 if the I/O device is
+ * not a console
  */
 struct kgdb_io {
 	const char		*name;
@@ -256,6 +258,7 @@ struct kgdb_io {
 	int			(*init) (void);
 	void			(*pre_exception) (void);
 	void			(*post_exception) (void);
+	int			is_console;
 };
 
 extern struct kgdb_arch		arch_kgdb_ops;
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 8339b291e8b..58be7e9c9e9 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -673,6 +673,14 @@ kdb_printit:
 	if (!dbg_kdb_mode && kgdb_connected) {
 		gdbstub_msg_write(kdb_buffer, retlen);
 	} else {
+		if (!dbg_io_ops->is_console) {
+			len = strlen(kdb_buffer);
+			cp = kdb_buffer;
+			while (len--) {
+				dbg_io_ops->write_char(*cp);
+				cp++;
+			}
+		}
 		while (c) {
 			c->write(c, kdb_buffer, retlen);
 			touch_nmi_watchdog();
@@ -719,6 +727,14 @@ kdb_printit:
 		kdb_input_flush();
 		c = console_drivers;
 
+		if (!dbg_io_ops->is_console) {
+			len = strlen(moreprompt);
+			cp = moreprompt;
+			while (len--) {
+				dbg_io_ops->write_char(*cp);
+				cp++;
+			}
+		}
 		while (c) {
 			c->write(c, moreprompt, strlen(moreprompt));
 			touch_nmi_watchdog();

From d37d39ae3b4a8f9a21114921fb344fe7cadb1abd Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:27 -0500
Subject: [PATCH 2426/3638] printk,kdb: capture printk() when in kdb shell

Certain calls from the kdb shell will call out to printk(), and any of
these calls should get vectored back to the kdb_printf() so that the
kdb pager and processing can be used, as well as to properly channel
I/O to the polled I/O devices.

CC: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
---
 include/linux/kdb.h         |  3 +++
 kernel/debug/kdb/kdb_bt.c   |  2 ++
 kernel/debug/kdb/kdb_io.c   | 24 ++++++++++++++++++++----
 kernel/debug/kdb/kdb_main.c |  4 ++++
 kernel/printk.c             |  9 +++++++++
 5 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index d72fa390812..ccb2b3ec0fe 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -78,6 +78,9 @@ typedef enum {
 	KDB_REASON_SSTEP,	/* Single Step trap. - regs valid */
 } kdb_reason_t;
 
+extern int kdb_trap_printk;
+extern int vkdb_printf(const char *fmt, va_list args)
+	    __attribute__ ((format (printf, 1, 0)));
 extern int kdb_printf(const char *, ...)
 	    __attribute__ ((format (printf, 1, 2)));
 typedef int (*kdb_printf_t)(const char *, ...)
diff --git a/kernel/debug/kdb/kdb_bt.c b/kernel/debug/kdb/kdb_bt.c
index 483fa4e7aaa..2f62fe85f16 100644
--- a/kernel/debug/kdb/kdb_bt.c
+++ b/kernel/debug/kdb/kdb_bt.c
@@ -23,6 +23,7 @@ static void kdb_show_stack(struct task_struct *p, void *addr)
 {
 	int old_lvl = console_loglevel;
 	console_loglevel = 15;
+	kdb_trap_printk++;
 	kdb_set_current_task(p);
 	if (addr) {
 		show_stack((struct task_struct *)p, addr);
@@ -36,6 +37,7 @@ static void kdb_show_stack(struct task_struct *p, void *addr)
 		show_stack(p, NULL);
 	}
 	console_loglevel = old_lvl;
+	kdb_trap_printk--;
 }
 
 /*
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 58be7e9c9e9..c9b7f4f90bb 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -29,6 +29,7 @@
 #define CMD_BUFLEN 256
 char kdb_prompt_str[CMD_BUFLEN];
 
+int kdb_trap_printk;
 
 static void kgdb_transition_check(char *buffer)
 {
@@ -533,12 +534,12 @@ static int kdb_search_string(char *searched, char *searchfor)
 	return 0;
 }
 
-int kdb_printf(const char *fmt, ...)
+int vkdb_printf(const char *fmt, va_list ap)
 {
-	va_list ap;
 	int diag;
 	int linecount;
 	int logging, saved_loglevel = 0;
+	int saved_trap_printk;
 	int got_printf_lock = 0;
 	int retlen = 0;
 	int fnd, len;
@@ -549,6 +550,9 @@ int kdb_printf(const char *fmt, ...)
 	unsigned long uninitialized_var(flags);
 
 	preempt_disable();
+	saved_trap_printk = kdb_trap_printk;
+	kdb_trap_printk = 0;
+
 	/* Serialize kdb_printf if multiple cpus try to write at once.
 	 * But if any cpu goes recursive in kdb, just print the output,
 	 * even if it is interleaved with any other text.
@@ -575,9 +579,7 @@ int kdb_printf(const char *fmt, ...)
 		next_avail = kdb_buffer;
 		size_avail = sizeof(kdb_buffer);
 	}
-	va_start(ap, fmt);
 	vsnprintf(next_avail, size_avail, fmt, ap);
-	va_end(ap);
 
 	/*
 	 * If kdb_parse() found that the command was cmd xxx | grep yyy
@@ -805,6 +807,20 @@ kdb_print_out:
 	} else {
 		__release(kdb_printf_lock);
 	}
+	kdb_trap_printk = saved_trap_printk;
 	preempt_enable();
 	return retlen;
 }
+
+int kdb_printf(const char *fmt, ...)
+{
+	va_list ap;
+	int r;
+
+	va_start(ap, fmt);
+	r = vkdb_printf(fmt, ap);
+	va_end(ap);
+
+	return r;
+}
+
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 64ef9ac14ba..b724c791b6d 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1056,7 +1056,9 @@ static void kdb_dumpregs(struct pt_regs *regs)
 {
 	int old_lvl = console_loglevel;
 	console_loglevel = 15;
+	kdb_trap_printk++;
 	show_regs(regs);
+	kdb_trap_printk--;
 	kdb_printf("\n");
 	console_loglevel = old_lvl;
 }
@@ -1819,7 +1821,9 @@ static int kdb_sr(int argc, const char **argv)
 	if (argc != 1)
 		return KDB_ARGCOUNT;
 	sysrq_toggle_support(1);
+	kdb_trap_printk++;
 	handle_sysrq(*argv[1], NULL);
+	kdb_trap_printk--;
 
 	return 0;
 }
diff --git a/kernel/printk.c b/kernel/printk.c
index 9213b8b5bb4..444b770c959 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -33,6 +33,7 @@
 #include <linux/bootmem.h>
 #include <linux/syscalls.h>
 #include <linux/kexec.h>
+#include <linux/kdb.h>
 #include <linux/ratelimit.h>
 #include <linux/kmsg_dump.h>
 #include <linux/syslog.h>
@@ -602,6 +603,14 @@ asmlinkage int printk(const char *fmt, ...)
 	va_list args;
 	int r;
 
+#ifdef CONFIG_KGDB_KDB
+	if (unlikely(kdb_trap_printk)) {
+		va_start(args, fmt);
+		r = vkdb_printf(fmt, args);
+		va_end(args);
+		return r;
+	}
+#endif
 	va_start(args, fmt);
 	r = vprintk(fmt, args);
 	va_end(args);

From 6d90634076200af035f1d9dcc8fc11acefd603e9 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:27 -0500
Subject: [PATCH 2427/3638] debug_core,kdb: Allow the debug core to process a
 recursive debug entry

This allows kdb to debug a crash with in the kms code with a
single level recursive re-entry.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 kernel/debug/debug_core.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index fff59019cca..b38bb25dbbb 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -445,6 +445,10 @@ static int kgdb_reenter_check(struct kgdb_state *ks)
 	}
 
 	printk(KERN_CRIT "KGDB: re-enter exception: ALL breakpoints killed\n");
+#ifdef CONFIG_KGDB_KDB
+	/* Allow kdb to debug itself one level */
+	return 0;
+#endif
 	dump_stack();
 	panic("Recursive entry to debugger");
 
@@ -489,6 +493,9 @@ acquirelock:
 	 */
 	atomic_inc(&cpu_in_kgdb[cpu]);
 
+	if (exception_level == 1)
+		goto cpu_master_loop;
+
 	/*
 	 * CPU will loop if it is a slave or request to become a kgdb
 	 * master cpu and acquire the kgdb_active lock:

From 5b778dadcde0d93eb20a67bad8105b6ed8d7810f Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:28 -0500
Subject: [PATCH 2428/3638] MAINTAINERS: update kgdb, kdb, and debug_core info

Update the maintained files sections.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 MAINTAINERS | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 397aba34f56..7b21f56562f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3326,7 +3326,7 @@ F:	include/linux/key-type.h
 F:	include/keys/
 F:	security/keys/
 
-KGDB / debug_core
+KGDB / KDB /debug_core
 M:	Jason Wessel <jason.wessel@windriver.com>
 W:	http://kgdb.wiki.kernel.org/
 L:	kgdb-bugreport@lists.sourceforge.net
@@ -3334,6 +3334,7 @@ S:	Maintained
 F:	Documentation/DocBook/kgdb.tmpl
 F:	drivers/misc/kgdbts.c
 F:	drivers/serial/kgdboc.c
+F:	include/linux/kdb.h
 F:	include/linux/kgdb.h
 F:	kernel/debug/
 

From 4402c153cb9c549cd21d6007ef0dfac50c8d148d Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:28 -0500
Subject: [PATCH 2429/3638] kdb,debug_core: Allow the debug core to receive a
 panic notification

It is highly desirable to trap into kdb on panic.  The debug core will
attempt to register as the first in line for the panic notifier.

CC: Ingo Molnar <mingo@elte.hu>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 kernel/debug/debug_core.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index b38bb25dbbb..64b5588c963 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -762,11 +762,28 @@ static struct sysrq_key_op sysrq_dbg_op = {
 };
 #endif
 
+static int kgdb_panic_event(struct notifier_block *self,
+			    unsigned long val,
+			    void *data)
+{
+	if (dbg_kdb_mode)
+		kdb_printf("PANIC: %s\n", (char *)data);
+	kgdb_breakpoint();
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block kgdb_panic_event_nb = {
+       .notifier_call	= kgdb_panic_event,
+       .priority	= INT_MAX,
+};
+
 static void kgdb_register_callbacks(void)
 {
 	if (!kgdb_io_module_registered) {
 		kgdb_io_module_registered = 1;
 		kgdb_arch_init();
+		atomic_notifier_chain_register(&panic_notifier_list,
+					       &kgdb_panic_event_nb);
 #ifdef CONFIG_MAGIC_SYSRQ
 		register_sysrq_key('g', &sysrq_dbg_op);
 #endif
@@ -786,6 +803,8 @@ static void kgdb_unregister_callbacks(void)
 	 */
 	if (kgdb_io_module_registered) {
 		kgdb_io_module_registered = 0;
+		atomic_notifier_chain_unregister(&panic_notifier_list,
+					       &kgdb_panic_event_nb);
 		kgdb_arch_exit();
 #ifdef CONFIG_MAGIC_SYSRQ
 		unregister_sysrq_key('g', &sysrq_dbg_op);

From 29c843912a0baa7fa63033fe28e1ca7e796686a5 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@web.de>
Date: Thu, 20 May 2010 21:04:29 -0500
Subject: [PATCH 2430/3638] x86, kgdb: early trap init for early debug

Allow the x86 arch to have early exception processing for the purpose
of debugging via the kgdb.

Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 arch/x86/include/asm/processor.h |  2 ++
 arch/x86/kernel/setup.c          |  1 +
 arch/x86/kernel/traps.c          | 14 ++++++++++----
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 5a51379dcbe..7e5c6a60b8e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -789,6 +789,8 @@ static inline void wbinvd_halt(void)
 extern void enable_sep_cpu(void);
 extern int sysenter_setup(void);
 
+extern void early_trap_init(void);
+
 /* Defined in head.S */
 extern struct desc_ptr		early_gdt_descr;
 
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index c4851eff57b..e8029896309 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -725,6 +725,7 @@ void __init setup_arch(char **cmdline_p)
 	/* VMI may relocate the fixmap; do this before touching ioremap area */
 	vmi_init();
 
+	early_trap_init();
 	early_cpu_init();
 	early_ioremap_init();
 
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 7eaad4c5110..142d70c74b0 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -808,6 +808,16 @@ dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code)
 }
 #endif
 
+/* Set of traps needed for early debugging. */
+void __init early_trap_init(void)
+{
+	set_intr_gate_ist(1, &debug, DEBUG_STACK);
+	/* int3 can be called from all */
+	set_system_intr_gate_ist(3, &int3, DEBUG_STACK);
+	set_intr_gate(14, &page_fault);
+	load_idt(&idt_descr);
+}
+
 void __init trap_init(void)
 {
 	int i;
@@ -821,10 +831,7 @@ void __init trap_init(void)
 #endif
 
 	set_intr_gate(0, &divide_error);
-	set_intr_gate_ist(1, &debug, DEBUG_STACK);
 	set_intr_gate_ist(2, &nmi, NMI_STACK);
-	/* int3 can be called from all */
-	set_system_intr_gate_ist(3, &int3, DEBUG_STACK);
 	/* int4 can be called from all */
 	set_system_intr_gate(4, &overflow);
 	set_intr_gate(5, &bounds);
@@ -840,7 +847,6 @@ void __init trap_init(void)
 	set_intr_gate(11, &segment_not_present);
 	set_intr_gate_ist(12, &stack_segment, STACKFAULT_STACK);
 	set_intr_gate(13, &general_protection);
-	set_intr_gate(14, &page_fault);
 	set_intr_gate(15, &spurious_interrupt_bug);
 	set_intr_gate(16, &coprocessor_error);
 	set_intr_gate(17, &alignment_check);

From 0b4b3827db386ec6034a5aba1261025b039440c2 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:29 -0500
Subject: [PATCH 2431/3638] x86, kgdb, init: Add early and late debug states

The kernel debugger can operate well before mm_init(), but the x86
hardware breakpoint code which uses the perf api requires that the
kernel allocators are initialized.

This means the kernel debug core needs to provide an optional arch
specific call back to allow the initialization functions to run after
the kernel has been further initialized.

The kdb shell already had a similar restriction with an early
initialization and late initialization.  The kdb_init() was moved into
the debug core's version of the late init which is called
dbg_late_init();

CC: kgdb-bugreport@lists.sourceforge.net
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 arch/x86/kernel/kgdb.c    | 17 ++++++++++-------
 include/linux/kgdb.h      | 14 ++++++++++++++
 init/main.c               |  4 ++--
 kernel/debug/debug_core.c | 16 ++++++++++++++++
 4 files changed, 42 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 95b89d4cb8f..2b71ec41869 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -595,15 +595,16 @@ static struct notifier_block kgdb_notifier = {
  *	specific callbacks.
  */
 int kgdb_arch_init(void)
+{
+	return register_die_notifier(&kgdb_notifier);
+}
+
+void kgdb_arch_late(void)
 {
 	int i, cpu;
-	int ret;
 	struct perf_event_attr attr;
 	struct perf_event **pevent;
 
-	ret = register_die_notifier(&kgdb_notifier);
-	if (ret != 0)
-		return ret;
 	/*
 	 * Pre-allocate the hw breakpoint structions in the non-atomic
 	 * portion of kgdb because this operation requires mutexs to
@@ -615,12 +616,15 @@ int kgdb_arch_init(void)
 	attr.bp_type = HW_BREAKPOINT_W;
 	attr.disabled = 1;
 	for (i = 0; i < 4; i++) {
+		if (breakinfo[i].pev)
+			continue;
 		breakinfo[i].pev = register_wide_hw_breakpoint(&attr, NULL);
 		if (IS_ERR(breakinfo[i].pev)) {
-			printk(KERN_ERR "kgdb: Could not allocate hw breakpoints\n");
+			printk(KERN_ERR "kgdb: Could not allocate hw"
+			       "breakpoints\nDisabling the kernel debugger\n");
 			breakinfo[i].pev = NULL;
 			kgdb_arch_exit();
-			return -1;
+			return;
 		}
 		for_each_online_cpu(cpu) {
 			pevent = per_cpu_ptr(breakinfo[i].pev, cpu);
@@ -631,7 +635,6 @@ int kgdb_arch_init(void)
 			}
 		}
 	}
-	return ret;
 }
 
 /**
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 6c784ab6856..9340f34d1bb 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -207,6 +207,17 @@ extern int kgdb_validate_break_address(unsigned long addr);
 extern int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr);
 extern int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle);
 
+/**
+ *	kgdb_arch_late - Perform any architecture specific initalization.
+ *
+ *	This function will handle the late initalization of any
+ *	architecture specific callbacks.  This is an optional function for
+ *	handling things like late initialization of hw breakpoints.  The
+ *	default implementation does nothing.
+ */
+extern void kgdb_arch_late(void);
+
+
 /**
  * struct kgdb_arch - Describe architecture specific values.
  * @gdb_bpt_instr: The instruction to trigger a breakpoint.
@@ -285,7 +296,10 @@ extern int			kgdb_single_step;
 extern atomic_t			kgdb_active;
 #define in_dbg_master() \
 	(raw_smp_processor_id() == atomic_read(&kgdb_active))
+extern bool dbg_is_early;
+extern void __init dbg_late_init(void);
 #else /* ! CONFIG_KGDB */
 #define in_dbg_master() (0)
+#define dbg_late_init()
 #endif /* ! CONFIG_KGDB */
 #endif /* _KGDB_H_ */
diff --git a/init/main.c b/init/main.c
index 372771333d9..22881b5e95e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -62,7 +62,7 @@
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <linux/idr.h>
-#include <linux/kdb.h>
+#include <linux/kgdb.h>
 #include <linux/ftrace.h>
 #include <linux/async.h>
 #include <linux/kmemcheck.h>
@@ -676,7 +676,7 @@ asmlinkage void __init start_kernel(void)
 	buffer_init();
 	key_init();
 	security_init();
-	kdb_init(KDB_INIT_FULL);
+	dbg_late_init();
 	vfs_caches_init(totalram_pages);
 	signals_init();
 	/* rootfs populating might need page-writeback */
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 64b5588c963..5cb7cd1de10 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -78,6 +78,8 @@ static DEFINE_SPINLOCK(kgdb_registration_lock);
 static int kgdb_con_registered;
 /* determine if kgdb console output should be used */
 static int kgdb_use_con;
+/* Flag for alternate operations for early debugging */
+bool dbg_is_early = true;
 /* Next cpu to become the master debug core */
 int dbg_switch_cpu;
 
@@ -777,11 +779,25 @@ static struct notifier_block kgdb_panic_event_nb = {
        .priority	= INT_MAX,
 };
 
+void __weak kgdb_arch_late(void)
+{
+}
+
+void __init dbg_late_init(void)
+{
+	dbg_is_early = false;
+	if (kgdb_io_module_registered)
+		kgdb_arch_late();
+	kdb_init(KDB_INIT_FULL);
+}
+
 static void kgdb_register_callbacks(void)
 {
 	if (!kgdb_io_module_registered) {
 		kgdb_io_module_registered = 1;
 		kgdb_arch_init();
+		if (!dbg_is_early)
+			kgdb_arch_late();
 		atomic_notifier_chain_register(&panic_notifier_list,
 					       &kgdb_panic_event_nb);
 #ifdef CONFIG_MAGIC_SYSRQ

From 031acd8c42edd61070f81c51edc89e83147a3d0e Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:30 -0500
Subject: [PATCH 2432/3638] x86,kgdb: Implement early hardware breakpoint
 debugging

It is not possible to use the hw_breakpoint.c API prior to mm_init(),
but it is possible to use hardware breakpoints with the kernel
debugger.

Prior to smp_init() it is possible to simply write to the dr registers
of the boot cpu directly.  This can be used up until the
kgdb_arch_late() is invoked, at which point the standard hw_breakpoint.c
API will get used.

CC: Frederic Weisbecker <fweisbec@gmail.com>
CC: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 arch/x86/kernel/kgdb.c | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 2b71ec41869..4f4af75b948 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -199,6 +199,8 @@ static struct hw_breakpoint {
 	struct perf_event	**pev;
 } breakinfo[4];
 
+static unsigned long early_dr7;
+
 static void kgdb_correct_hw_break(void)
 {
 	int breakno;
@@ -210,6 +212,14 @@ static void kgdb_correct_hw_break(void)
 		int cpu = raw_smp_processor_id();
 		if (!breakinfo[breakno].enabled)
 			continue;
+		if (dbg_is_early) {
+			set_debugreg(breakinfo[breakno].addr, breakno);
+			early_dr7 |= encode_dr7(breakno,
+						breakinfo[breakno].len,
+						breakinfo[breakno].type);
+			set_debugreg(early_dr7, 7);
+			continue;
+		}
 		bp = *per_cpu_ptr(breakinfo[breakno].pev, cpu);
 		info = counter_arch_bp(bp);
 		if (bp->attr.disabled != 1)
@@ -224,7 +234,8 @@ static void kgdb_correct_hw_break(void)
 		if (!val)
 			bp->attr.disabled = 0;
 	}
-	hw_breakpoint_restore();
+	if (!dbg_is_early)
+		hw_breakpoint_restore();
 }
 
 static int hw_break_reserve_slot(int breakno)
@@ -233,6 +244,9 @@ static int hw_break_reserve_slot(int breakno)
 	int cnt = 0;
 	struct perf_event **pevent;
 
+	if (dbg_is_early)
+		return 0;
+
 	for_each_online_cpu(cpu) {
 		cnt++;
 		pevent = per_cpu_ptr(breakinfo[breakno].pev, cpu);
@@ -258,6 +272,9 @@ static int hw_break_release_slot(int breakno)
 	struct perf_event **pevent;
 	int cpu;
 
+	if (dbg_is_early)
+		return 0;
+
 	for_each_online_cpu(cpu) {
 		pevent = per_cpu_ptr(breakinfo[breakno].pev, cpu);
 		if (dbg_release_bp_slot(*pevent))
@@ -302,7 +319,11 @@ static void kgdb_remove_all_hw_break(void)
 		bp = *per_cpu_ptr(breakinfo[i].pev, cpu);
 		if (bp->attr.disabled == 1)
 			continue;
-		arch_uninstall_hw_breakpoint(bp);
+		if (dbg_is_early)
+			early_dr7 &= ~encode_dr7(i, breakinfo[i].len,
+						 breakinfo[i].type);
+		else
+			arch_uninstall_hw_breakpoint(bp);
 		bp->attr.disabled = 1;
 	}
 }
@@ -379,6 +400,11 @@ void kgdb_disable_hw_debug(struct pt_regs *regs)
 	for (i = 0; i < 4; i++) {
 		if (!breakinfo[i].enabled)
 			continue;
+		if (dbg_is_early) {
+			early_dr7 &= ~encode_dr7(i, breakinfo[i].len,
+						 breakinfo[i].type);
+			continue;
+		}
 		bp = *per_cpu_ptr(breakinfo[i].pev, cpu);
 		if (bp->attr.disabled == 1)
 			continue;

From 0bb9fef9134cf4fdcfce02f9adc22d3d0725cc29 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:30 -0500
Subject: [PATCH 2433/3638] x86,early dr regs,kgdb: Allow kernel debugger early
 dr register access

If the kernel debugger was configured, attached and started with
kgdbwait, the hardware breakpoint registers should get restored by the
kgdb code which is managing the dr registers.

CC: x86@kernel.org
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@redhat.com>
CC: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 arch/x86/kernel/cpu/common.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index c1c00d0b169..cc83a002786 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1084,6 +1084,20 @@ static void clear_all_debug_regs(void)
 	}
 }
 
+#ifdef CONFIG_KGDB
+/*
+ * Restore debug regs if using kgdbwait and you have a kernel debugger
+ * connection established.
+ */
+static void dbg_restore_debug_regs(void)
+{
+	if (unlikely(kgdb_connected && arch_kgdb_ops.correct_hw_break))
+		arch_kgdb_ops.correct_hw_break();
+}
+#else /* ! CONFIG_KGDB */
+#define dbg_restore_debug_regs()
+#endif /* ! CONFIG_KGDB */
+
 /*
  * cpu_init() initializes state that is per-CPU. Some data is already
  * initialized (naturally) in the bootstrap process, such as the GDT
@@ -1174,18 +1188,8 @@ void __cpuinit cpu_init(void)
 	load_TR_desc();
 	load_LDT(&init_mm.context);
 
-#ifdef CONFIG_KGDB
-	/*
-	 * If the kgdb is connected no debug regs should be altered.  This
-	 * is only applicable when KGDB and a KGDB I/O module are built
-	 * into the kernel and you are using early debugging with
-	 * kgdbwait. KGDB will control the kernel HW breakpoint registers.
-	 */
-	if (kgdb_connected && arch_kgdb_ops.correct_hw_break)
-		arch_kgdb_ops.correct_hw_break();
-	else
-#endif
-		clear_all_debug_regs();
+	clear_all_debug_regs();
+	dbg_restore_debug_regs();
 
 	fpu_init();
 
@@ -1239,6 +1243,7 @@ void __cpuinit cpu_init(void)
 #endif
 
 	clear_all_debug_regs();
+	dbg_restore_debug_regs();
 
 	/*
 	 * Force FPU initialization:

From 9731191f75a54c4fa17e9b9b88f3144cf4b47836 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:30 -0500
Subject: [PATCH 2434/3638] kgdboc: Add ekgdboc for early use of the kernel
 debugger

The ekgdboc= differs from kgdboc= in that you can begin debuggin as
soon as the exceptions are setup and the kgdb I/O driver is available,
instead of waiting until the tty subsystem is available.

CC: kgdb-bugreport@lists.sourceforge.net
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 Documentation/kernel-parameters.txt |  6 ++++++
 drivers/serial/kgdboc.c             | 19 +++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index bdce359820b..4c44d01c67f 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -713,6 +713,12 @@ and is between 256 and 4096 characters. It is defined in the file
 			The VGA output is eventually overwritten by the real
 			console.
 
+	ekgdboc=	[X86,KGDB] Allow early kernel console debugging
+			ekgdboc=kbd
+
+			This is desgined to be used in conjunction with
+			the boot argument: earlyprintk=vga
+
 	eata=		[HW,SCSI]
 
 	edd=		[EDD]
diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c
index b765ab48dfe..a9a94ae7234 100644
--- a/drivers/serial/kgdboc.c
+++ b/drivers/serial/kgdboc.c
@@ -223,6 +223,25 @@ static struct kgdb_io kgdboc_io_ops = {
 	.post_exception		= kgdboc_post_exp_handler,
 };
 
+#ifdef CONFIG_KGDB_SERIAL_CONSOLE
+/* This is only available if kgdboc is a built in for early debugging */
+int __init kgdboc_early_init(char *opt)
+{
+	/* save the first character of the config string because the
+	 * init routine can destroy it.
+	 */
+	char save_ch;
+
+	kgdboc_option_setup(opt);
+	save_ch = config[0];
+	init_kgdboc();
+	config[0] = save_ch;
+	return 0;
+}
+
+early_param("ekgdboc", kgdboc_early_init);
+#endif /* CONFIG_KGDB_SERIAL_CONSOLE */
+
 module_init(init_kgdboc);
 module_exit(cleanup_kgdboc);
 module_param_call(kgdboc, param_set_kgdboc_var, param_get_string, &kps, 0644);

From 61eaf539b9fb4926ed57e38f6545100c3432cf1b Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:31 -0500
Subject: [PATCH 2435/3638] earlyprintk,vga,kdb: Fix \b and \r for
 earlyprintk=vga with kdb

Allow kdb to work properly with with earlyprintk=vga by interpreting
the backspace and carriage return output characters.  These
interpretation of these characters is used for simple line editing
provided in the kdb shell.

CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@redhat.com>
CC: H. Peter Anvin <hpa@zytor.com>
CC: x86@kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 arch/x86/kernel/early_printk.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index b9c830c12b4..fa99bae75ac 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -41,6 +41,14 @@ static void early_vga_write(struct console *con, const char *str, unsigned n)
 				writew(0x720, VGABASE + 2*(max_xpos*j + i));
 			current_ypos = max_ypos-1;
 		}
+#ifdef CONFIG_KGDB_KDB
+		if (c == '\b') {
+			if (current_xpos > 0)
+				current_xpos--;
+		} else if (c == '\r') {
+			current_xpos = 0;
+		} else
+#endif
 		if (c == '\n') {
 			current_xpos = 0;
 			current_ypos++;

From 4fe1da4ebc18c4c42fa56c228447f68033fce5f0 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Thu, 20 May 2010 21:04:31 -0500
Subject: [PATCH 2436/3638] echi-dbgp: Add kernel debugger support for the usb
 debug port

This patch adds the capability to use the usb debug port with the
kernel debugger.  It is also still possible to use this functionality
with or without the earlyprintk=dbgpX.  It is possible to use the
kgdbwait boot argument to debug very early in the kernel start up code.

There are two ways to use this driver extension with a kernel boot argument.

1) kgdbdbgp=#   -- Where # is the number of the usb debug controller

   You must use sysrq-g to break into the kernel debugger on another
   connection type other than the dbgp.

2) kgdbdbgp=#debugControlNum#,#Seconds#

   In this mode, the usb debug port is polled every #Seconds# for
   character input.  It is possible to use gdb or press control-c to
   break into the kernel debugger.

From the implementation perspective there are 3 high level changes.

1) Allow variable retries for the the hardware via dbgp_bulk_read().

   The amount of retries for the dbgp_bulk_read() needed to be
   variable instead of fixed.  We do not want to poll at all when the
   kernel is operating in interrupt driven mode.  The polling only
   occurs if the kernel was booted when specifying some number of
   seconds via the kgdbdbgp boot argument (IE kgdbdbgp=0,1).  In this
   case the loop count is reduced to 1 so as introduce the smallest
   amount of latency as possible.

2) Save the bulk IN endpoint address for use by the kgdb code.

3) The addition of the kgdb interface code.

   This consisted of adding in a character read function for the dbgp
   as well as a polling thread to allow the dbgp to interrupt the
   kernel execution.  The rest is the typical kgdb I/O api.

CC: Eric Biederman <ebiederm@xmission.com>
CC: Yinghai Lu <yhlu.kernel@gmail.com>
CC: linux-usb@vger.kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/kernel-parameters.txt |  11 +++
 drivers/usb/early/ehci-dbgp.c       | 120 +++++++++++++++++++++++++---
 2 files changed, 122 insertions(+), 9 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4c44d01c67f..f5fce483930 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1127,6 +1127,17 @@ and is between 256 and 4096 characters. It is defined in the file
 			use the HighMem zone if it exists, and the Normal
 			zone if it does not.
 
+	kgdbdbgp=	[KGDB,HW] kgdb over EHCI usb debug port.
+			Format: <Controller#>[,poll interval]
+			The controller # is the number of the ehci usb debug
+			port as it is probed via PCI.  The poll interval is
+			optional and is the number seconds in between
+			each poll cycle to the debug port in case you need
+			the functionality for interrupting the kernel with
+			gdb or control-c on the dbgp connection.  When
+			not using this parameter you use sysrq-g to break into
+			the kernel debugger.
+
 	kgdboc=		[KGDB,HW] kgdb over consoles.
 			Requires a tty driver that supports console polling,
 			or a supported polling keyboard driver (non-usb).
diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
index 6e98a369784..94ecdbc758c 100644
--- a/drivers/usb/early/ehci-dbgp.c
+++ b/drivers/usb/early/ehci-dbgp.c
@@ -19,6 +19,9 @@
 #include <linux/usb/ch9.h>
 #include <linux/usb/ehci_def.h>
 #include <linux/delay.h>
+#include <linux/serial_core.h>
+#include <linux/kgdb.h>
+#include <linux/kthread.h>
 #include <asm/io.h>
 #include <asm/pci-direct.h>
 #include <asm/fixmap.h>
@@ -55,6 +58,7 @@ static struct ehci_regs __iomem *ehci_regs;
 static struct ehci_dbg_port __iomem *ehci_debug;
 static int dbgp_not_safe; /* Cannot use debug device during ehci reset */
 static unsigned int dbgp_endpoint_out;
+static unsigned int dbgp_endpoint_in;
 
 struct ehci_dev {
 	u32 bus;
@@ -91,6 +95,13 @@ static inline u32 dbgp_len_update(u32 x, u32 len)
 	return (x & ~0x0f) | (len & 0x0f);
 }
 
+#ifdef CONFIG_KGDB
+static struct kgdb_io kgdbdbgp_io_ops;
+#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops)
+#else
+#define dbgp_kgdb_mode (0)
+#endif
+
 /*
  * USB Packet IDs (PIDs)
  */
@@ -182,11 +193,10 @@ static void dbgp_breath(void)
 	/* Sleep to give the debug port a chance to breathe */
 }
 
-static int dbgp_wait_until_done(unsigned ctrl)
+static int dbgp_wait_until_done(unsigned ctrl, int loop)
 {
 	u32 pids, lpid;
 	int ret;
-	int loop = DBGP_LOOPS;
 
 retry:
 	writel(ctrl | DBGP_GO, &ehci_debug->control);
@@ -276,13 +286,13 @@ static int dbgp_bulk_write(unsigned devnum, unsigned endpoint,
 	dbgp_set_data(bytes, size);
 	writel(addr, &ehci_debug->address);
 	writel(pids, &ehci_debug->pids);
-	ret = dbgp_wait_until_done(ctrl);
+	ret = dbgp_wait_until_done(ctrl, DBGP_LOOPS);
 
 	return ret;
 }
 
 static int dbgp_bulk_read(unsigned devnum, unsigned endpoint, void *data,
-				 int size)
+			  int size, int loops)
 {
 	u32 pids, addr, ctrl;
 	int ret;
@@ -302,7 +312,7 @@ static int dbgp_bulk_read(unsigned devnum, unsigned endpoint, void *data,
 
 	writel(addr, &ehci_debug->address);
 	writel(pids, &ehci_debug->pids);
-	ret = dbgp_wait_until_done(ctrl);
+	ret = dbgp_wait_until_done(ctrl, loops);
 	if (ret < 0)
 		return ret;
 
@@ -343,12 +353,12 @@ static int dbgp_control_msg(unsigned devnum, int requesttype,
 	dbgp_set_data(&req, sizeof(req));
 	writel(addr, &ehci_debug->address);
 	writel(pids, &ehci_debug->pids);
-	ret = dbgp_wait_until_done(ctrl);
+	ret = dbgp_wait_until_done(ctrl, DBGP_LOOPS);
 	if (ret < 0)
 		return ret;
 
 	/* Read the result */
-	return dbgp_bulk_read(devnum, 0, data, size);
+	return dbgp_bulk_read(devnum, 0, data, size, DBGP_LOOPS);
 }
 
 /* Find a PCI capability */
@@ -559,6 +569,7 @@ try_again:
 		goto err;
 	}
 	dbgp_endpoint_out = dbgp_desc.bDebugOutEndpoint;
+	dbgp_endpoint_in = dbgp_desc.bDebugInEndpoint;
 
 	/* Move the device to 127 if it isn't already there */
 	if (devnum != USB_DEBUG_DEVNUM) {
@@ -968,8 +979,9 @@ int dbgp_reset_prep(void)
 	if (!ehci_debug)
 		return 0;
 
-	if (early_dbgp_console.index != -1 &&
-		!(early_dbgp_console.flags & CON_BOOT))
+	if ((early_dbgp_console.index != -1 &&
+	     !(early_dbgp_console.flags & CON_BOOT)) ||
+	    dbgp_kgdb_mode)
 		return 1;
 	/* This means the console is not initialized, or should get
 	 * shutdown so as to allow for reuse of the usb device, which
@@ -982,3 +994,93 @@ int dbgp_reset_prep(void)
 	return 0;
 }
 EXPORT_SYMBOL_GPL(dbgp_reset_prep);
+
+#ifdef CONFIG_KGDB
+
+static char kgdbdbgp_buf[DBGP_MAX_PACKET];
+static int kgdbdbgp_buf_sz;
+static int kgdbdbgp_buf_idx;
+static int kgdbdbgp_loop_cnt = DBGP_LOOPS;
+
+static int kgdbdbgp_read_char(void)
+{
+	int ret;
+
+	if (kgdbdbgp_buf_idx < kgdbdbgp_buf_sz) {
+		char ch = kgdbdbgp_buf[kgdbdbgp_buf_idx++];
+		return ch;
+	}
+
+	ret = dbgp_bulk_read(USB_DEBUG_DEVNUM, dbgp_endpoint_in,
+			     &kgdbdbgp_buf, DBGP_MAX_PACKET,
+			     kgdbdbgp_loop_cnt);
+	if (ret <= 0)
+		return NO_POLL_CHAR;
+	kgdbdbgp_buf_sz = ret;
+	kgdbdbgp_buf_idx = 1;
+	return kgdbdbgp_buf[0];
+}
+
+static void kgdbdbgp_write_char(u8 chr)
+{
+	early_dbgp_write(NULL, &chr, 1);
+}
+
+static struct kgdb_io kgdbdbgp_io_ops = {
+	.name = "kgdbdbgp",
+	.read_char = kgdbdbgp_read_char,
+	.write_char = kgdbdbgp_write_char,
+};
+
+static int kgdbdbgp_wait_time;
+
+static int __init kgdbdbgp_parse_config(char *str)
+{
+	char *ptr;
+
+	if (!ehci_debug) {
+		if (early_dbgp_init(str))
+			return -1;
+	}
+	ptr = strchr(str, ',');
+	if (ptr) {
+		ptr++;
+		kgdbdbgp_wait_time = simple_strtoul(ptr, &ptr, 10);
+	}
+	kgdb_register_io_module(&kgdbdbgp_io_ops);
+	kgdbdbgp_io_ops.is_console = early_dbgp_console.index != -1;
+
+	return 0;
+}
+early_param("kgdbdbgp", kgdbdbgp_parse_config);
+
+static int kgdbdbgp_reader_thread(void *ptr)
+{
+	int ret;
+
+	while (readl(&ehci_debug->control) & DBGP_ENABLED) {
+		kgdbdbgp_loop_cnt = 1;
+		ret = kgdbdbgp_read_char();
+		kgdbdbgp_loop_cnt = DBGP_LOOPS;
+		if (ret != NO_POLL_CHAR) {
+			if (ret == 0x3 || ret == '$') {
+				if (ret == '$')
+					kgdbdbgp_buf_idx--;
+				kgdb_breakpoint();
+			}
+			continue;
+		}
+		schedule_timeout_interruptible(kgdbdbgp_wait_time * HZ);
+	}
+	return 0;
+}
+
+static int __init kgdbdbgp_start_thread(void)
+{
+	if (dbgp_kgdb_mode && kgdbdbgp_wait_time)
+		kthread_run(kgdbdbgp_reader_thread, NULL, "%s", "dbgp");
+
+	return 0;
+}
+module_init(kgdbdbgp_start_thread);
+#endif /* CONFIG_KGDB */

From c43ae476a5fef6719f8227a04cab70645f891349 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 19 May 2010 11:43:40 -0400
Subject: [PATCH 2437/3638] drm/edid: fix typo in 1600x1200@75 mode

Spotted by Scott Bertilson.
Fixes fdo bug 28146.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Reviewed-by: Mark Marshall <mark.marshall@csr.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index dfd4f3677f3..f569ae88ab3 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -587,7 +587,7 @@ static struct drm_display_mode drm_dmt_modes[] = {
 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
 	/* 1600x1200@75Hz */
-	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 2025000, 1600, 1664,
+	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
 	/* 1600x1200@85Hz */

From 45737447ed160faaba036c0709226bf9057f7b72 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 20 May 2010 11:26:11 -0400
Subject: [PATCH 2438/3638] drm/radeon/kms: don't default display priority to
 high on rs4xx

Seems to cause issues with the sound hardware.  Fixes kernel
bug 15982:
https://bugzilla.kernel.org/show_bug.cgi?id=15982

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_display.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index da85cad1152..1006549d157 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -983,8 +983,11 @@ void radeon_update_display_priority(struct radeon_device *rdev)
 		/* set display priority to high for r3xx, rv515 chips
 		 * this avoids flickering due to underflow to the
 		 * display controllers during heavy acceleration.
+		 * Don't force high on rs4xx igp chips as it seems to
+		 * affect the sound card.  See kernel bug 15982.
 		 */
-		if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515))
+		if ((ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515)) &&
+		    !(rdev->flags & RADEON_IS_IGP))
 			rdev->disp_priority = 2;
 		else
 			rdev->disp_priority = 0;

From 365048ff7f977c5983d67b63c47502c5964840e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <daenzer@vmware.com>
Date: Wed, 19 May 2010 12:46:22 +0200
Subject: [PATCH 2439/3638] drm/radeon: AGP memory is only I/O if the aperture
 can be mapped by the CPU.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixes AGP initialization failure with Apple UniNorth bridges due to trying to
ioremap() normal RAM.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_ttm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 3aa3a65800a..e9918d88f5b 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -451,7 +451,7 @@ static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_
 			/* RADEON_IS_AGP is set only if AGP is active */
 			mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
 			mem->bus.base = rdev->mc.agp_base;
-			mem->bus.is_iomem = true;
+			mem->bus.is_iomem = !rdev->ddev->agp->cant_use_aperture;
 		}
 #endif
 		break;

From e86527533586259875f08fccb173e3347046cc3f Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Wed, 19 May 2010 16:05:50 +0200
Subject: [PATCH 2440/3638] drm/radeon/kms: record object that have been list
 reserved

list reservation was too optimistic about ttm object reservation
and could think that an object reserved by some other process
as reserved by the list reservation which was false. Thus when
unreserving the list it might unreserve object that it didn't
reserved in the list. Sorry if it's hard to follow but this
kind of things are just causing headheck.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon.h        | 1 +
 drivers/gpu/drm/radeon/radeon_object.c | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 5c9ce2beaca..66a37fb7583 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -261,6 +261,7 @@ struct radeon_bo_list {
 	unsigned		rdomain;
 	unsigned		wdomain;
 	u32			tiling_flags;
+	bool			reserved;
 };
 
 /*
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index a8d18bcae7d..d5b9373ce06 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -301,6 +301,7 @@ int radeon_bo_list_reserve(struct list_head *head)
 		r = radeon_bo_reserve(lobj->bo, false);
 		if (unlikely(r != 0))
 			return r;
+		lobj->reserved = true;
 	}
 	return 0;
 }
@@ -311,7 +312,7 @@ void radeon_bo_list_unreserve(struct list_head *head)
 
 	list_for_each_entry(lobj, head, list) {
 		/* only unreserve object we successfully reserved */
-		if (radeon_bo_is_reserved(lobj->bo))
+		if (lobj->reserved && radeon_bo_is_reserved(lobj->bo))
 			radeon_bo_unreserve(lobj->bo);
 	}
 }
@@ -322,6 +323,9 @@ int radeon_bo_list_validate(struct list_head *head)
 	struct radeon_bo *bo;
 	int r;
 
+	list_for_each_entry(lobj, head, list) {
+		lobj->reserved = false;
+	}
 	r = radeon_bo_list_reserve(head);
 	if (unlikely(r != 0)) {
 		return r;

From 5d9b7e2d2db95549aeab129c95d588236137a4c8 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 21 May 2010 15:41:20 +1000
Subject: [PATCH 2441/3638] drm/radeon: fix power supply kconfig interaction.

radeon needs power supply to get correct PM info so select it at the radeon
level not at the kms option.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/Kconfig        | 1 +
 drivers/gpu/drm/radeon/Kconfig | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 2583ddfcc33..88910e5a2c7 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -60,6 +60,7 @@ config DRM_RADEON
 	select FW_LOADER
         select DRM_KMS_HELPER
         select DRM_TTM
+	select POWER_SUPPLY
 	help
 	  Choose this option if you have an ATI Radeon graphics card.  There
 	  are both PCI and AGP versions.  You don't need to choose this to
diff --git a/drivers/gpu/drm/radeon/Kconfig b/drivers/gpu/drm/radeon/Kconfig
index 80c5b3ea28b..1c02d23f6fc 100644
--- a/drivers/gpu/drm/radeon/Kconfig
+++ b/drivers/gpu/drm/radeon/Kconfig
@@ -1,7 +1,6 @@
 config DRM_RADEON_KMS
 	bool "Enable modesetting on radeon by default - NEW DRIVER"
 	depends on DRM_RADEON
-	depends on POWER_SUPPLY
 	help
 	  Choose this option if you want kernel modesetting enabled by default.
 

From b486787ee4797d6e42a9bd3a6f079385ad0f4472 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 20 May 2010 18:44:49 -0400
Subject: [PATCH 2442/3638] drm/radeon/kms/pm/r600: select the mid clock mode
 for single head low profile

This saves some more power at the expense of performance.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r600.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 7ffc3892c65..44e96a2ae25 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -430,7 +430,7 @@ void r600_pm_init_profile(struct radeon_device *rdev)
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
 					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 2;
+				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 1;
 			} else {
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
 					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);

From 81c2a3ba497835797332b517ebf2de7b7f2a7c80 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Thu, 20 May 2010 22:52:58 -0700
Subject: [PATCH 2443/3638] Input: use ABS_CNT rather than (ABS_MAX + 1)

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/hid/hid-debug.c     |  2 +-
 drivers/input/joydev.c      | 10 +++++-----
 drivers/input/misc/uinput.c |  4 ++--
 include/linux/input.h       | 12 ++++++------
 include/linux/joystick.h    |  4 ++--
 include/linux/uinput.h      | 10 +++++-----
 6 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 56f314fbd4f..c9402676857 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -811,7 +811,7 @@ static const char *relatives[REL_MAX + 1] = {
 	[REL_WHEEL] = "Wheel",		[REL_MISC] = "Misc",
 };
 
-static const char *absolutes[ABS_MAX + 1] = {
+static const char *absolutes[ABS_CNT] = {
 	[ABS_X] = "X",			[ABS_Y] = "Y",
 	[ABS_Z] = "Z",			[ABS_RX] = "Rx",
 	[ABS_RY] = "Ry",		[ABS_RZ] = "Rz",
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 423e0e6031a..34157bb97ed 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -47,15 +47,15 @@ struct joydev {
 	struct mutex mutex;
 	struct device dev;
 
-	struct js_corr corr[ABS_MAX + 1];
+	struct js_corr corr[ABS_CNT];
 	struct JS_DATA_SAVE_TYPE glue;
 	int nabs;
 	int nkey;
 	__u16 keymap[KEY_MAX - BTN_MISC + 1];
 	__u16 keypam[KEY_MAX - BTN_MISC + 1];
-	__u8 absmap[ABS_MAX + 1];
-	__u8 abspam[ABS_MAX + 1];
-	__s16 abs[ABS_MAX + 1];
+	__u8 absmap[ABS_CNT];
+	__u8 abspam[ABS_CNT];
+	__s16 abs[ABS_CNT];
 };
 
 struct joydev_client {
@@ -826,7 +826,7 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
 	joydev->handle.handler = handler;
 	joydev->handle.private = joydev;
 
-	for (i = 0; i < ABS_MAX + 1; i++)
+	for (i = 0; i < ABS_CNT; i++)
 		if (test_bit(i, dev->absbit)) {
 			joydev->absmap[i] = joydev->nabs;
 			joydev->abspam[joydev->nabs] = i;
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 1477466076a..b71eb55f2db 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -300,7 +300,7 @@ static int uinput_validate_absbits(struct input_dev *dev)
 	unsigned int cnt;
 	int retval = 0;
 
-	for (cnt = 0; cnt < ABS_MAX + 1; cnt++) {
+	for (cnt = 0; cnt < ABS_CNT; cnt++) {
 		if (!test_bit(cnt, dev->absbit))
 			continue;
 
@@ -387,7 +387,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu
 	dev->id.product	= user_dev->id.product;
 	dev->id.version	= user_dev->id.version;
 
-	size = sizeof(int) * (ABS_MAX + 1);
+	size = sizeof(int) * ABS_CNT;
 	memcpy(dev->absmax, user_dev->absmax, size);
 	memcpy(dev->absmin, user_dev->absmin, size);
 	memcpy(dev->absfuzz, user_dev->absfuzz, size);
diff --git a/include/linux/input.h b/include/linux/input.h
index 83524e4f329..6fcc9101bee 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1155,7 +1155,7 @@ struct input_dev {
 
 	int sync;
 
-	int abs[ABS_MAX + 1];
+	int abs[ABS_CNT];
 	int rep[REP_MAX + 1];
 
 	unsigned long key[BITS_TO_LONGS(KEY_CNT)];
@@ -1163,11 +1163,11 @@ struct input_dev {
 	unsigned long snd[BITS_TO_LONGS(SND_CNT)];
 	unsigned long sw[BITS_TO_LONGS(SW_CNT)];
 
-	int absmax[ABS_MAX + 1];
-	int absmin[ABS_MAX + 1];
-	int absfuzz[ABS_MAX + 1];
-	int absflat[ABS_MAX + 1];
-	int absres[ABS_MAX + 1];
+	int absmax[ABS_CNT];
+	int absmin[ABS_CNT];
+	int absfuzz[ABS_CNT];
+	int absflat[ABS_CNT];
+	int absres[ABS_CNT];
 
 	int (*open)(struct input_dev *dev);
 	void (*close)(struct input_dev *dev);
diff --git a/include/linux/joystick.h b/include/linux/joystick.h
index 9e20c29c1e1..47199b13e0e 100644
--- a/include/linux/joystick.h
+++ b/include/linux/joystick.h
@@ -64,8 +64,8 @@ struct js_event {
 #define JSIOCSCORR		_IOW('j', 0x21, struct js_corr)			/* set correction values */
 #define JSIOCGCORR		_IOR('j', 0x22, struct js_corr)			/* get correction values */
 
-#define JSIOCSAXMAP		_IOW('j', 0x31, __u8[ABS_MAX + 1])		/* set axis mapping */
-#define JSIOCGAXMAP		_IOR('j', 0x32, __u8[ABS_MAX + 1])		/* get axis mapping */
+#define JSIOCSAXMAP		_IOW('j', 0x31, __u8[ABS_CNT])			/* set axis mapping */
+#define JSIOCGAXMAP		_IOR('j', 0x32, __u8[ABS_CNT])			/* get axis mapping */
 #define JSIOCSBTNMAP		_IOW('j', 0x33, __u16[KEY_MAX - BTN_MISC + 1])	/* set button mapping */
 #define JSIOCGBTNMAP		_IOR('j', 0x34, __u16[KEY_MAX - BTN_MISC + 1])	/* get button mapping */
 
diff --git a/include/linux/uinput.h b/include/linux/uinput.h
index 15ddd4483b0..60c81da77f0 100644
--- a/include/linux/uinput.h
+++ b/include/linux/uinput.h
@@ -166,11 +166,11 @@ struct uinput_ff_erase {
 struct uinput_user_dev {
 	char name[UINPUT_MAX_NAME_SIZE];
 	struct input_id id;
-        int ff_effects_max;
-        int absmax[ABS_MAX + 1];
-        int absmin[ABS_MAX + 1];
-        int absfuzz[ABS_MAX + 1];
-        int absflat[ABS_MAX + 1];
+	int ff_effects_max;
+	int absmax[ABS_CNT];
+	int absmin[ABS_CNT];
+	int absfuzz[ABS_CNT];
+	int absflat[ABS_CNT];
 };
 #endif	/* __UINPUT_H_ */
 

From 7358650e9e9a81c854dc4582b4193eb5ea500bf6 Mon Sep 17 00:00:00 2001
From: Michael Ellerman <michael@ellerman.id.au>
Date: Wed, 19 May 2010 02:12:32 +0000
Subject: [PATCH 2444/3638] powerpc/rtasd: Don't start event scan if scan rate
 is zero

There appear to be Pegasos systems which have the rtas-event-scan
RTAS tokens, but on which the event scan always fails. They also
have an event-scan-rate property containing 0, which means call
event scan 0 times per minute.

So interpret a scan rate of 0 to mean don't scan at all. This fixes
the problem on the Pegasos machines and makes sense as well.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/rtasd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c
index e907ca66f75..638883e23e3 100644
--- a/arch/powerpc/kernel/rtasd.c
+++ b/arch/powerpc/kernel/rtasd.c
@@ -490,6 +490,12 @@ static int __init rtas_init(void)
 		return -ENODEV;
 	}
 
+	if (!rtas_event_scan_rate) {
+		/* Broken firmware: take a rate of zero to mean don't scan */
+		printk(KERN_DEBUG "rtasd: scan rate is 0, not scanning\n");
+		return 0;
+	}
+
 	/* Make room for the sequence number */
 	rtas_error_log_max = rtas_get_error_log_max();
 	rtas_error_log_buffer_max = rtas_error_log_max + sizeof(int);

From ca5d0674c37840366f04a7bbfbf78e7b5f3ce0a4 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@linux-m68k.org>
Date: Tue, 18 May 2010 08:15:21 +0000
Subject: [PATCH 2445/3638] powerpc: Fix string library functions

The powerpc strncmp implementation does not correctly handle a zero
length, despite the claim in 0119536cd314ef95553604208c25bc35581f7f0a
(Add hand-coded assembly strcmp).

Additionally, all the length arguments are size_t, not int, so use
PPC_LCMPI and eq instead of cmpwi and le throughout.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/lib/string.S | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/lib/string.S b/arch/powerpc/lib/string.S
index 3ac0cd3a537..455881a5563 100644
--- a/arch/powerpc/lib/string.S
+++ b/arch/powerpc/lib/string.S
@@ -28,7 +28,7 @@ _GLOBAL(strcpy)
 /* This clears out any unused part of the destination buffer,
    just as the libc version does.  -- paulus */
 _GLOBAL(strncpy)
-	cmpwi	0,r5,0
+	PPC_LCMPI 0,r5,0
 	beqlr
 	mtctr	r5
 	addi	r6,r3,-1
@@ -39,7 +39,7 @@ _GLOBAL(strncpy)
 	bdnzf	2,1b		/* dec ctr, branch if ctr != 0 && !cr0.eq */
 	bnelr			/* if we didn't hit a null char, we're done */
 	mfctr	r5
-	cmpwi	0,r5,0		/* any space left in destination buffer? */
+	PPC_LCMPI 0,r5,0	/* any space left in destination buffer? */
 	beqlr			/* we know r0 == 0 here */
 2:	stbu	r0,1(r6)	/* clear it out if so */
 	bdnz	2b
@@ -70,8 +70,8 @@ _GLOBAL(strcmp)
 	blr
 
 _GLOBAL(strncmp)
-	PPC_LCMPI r5,0
-	ble-	2f
+	PPC_LCMPI 0,r5,0
+	beq-	2f
 	mtctr	r5
 	addi	r5,r3,-1
 	addi	r4,r4,-1
@@ -94,8 +94,8 @@ _GLOBAL(strlen)
 	blr
 
 _GLOBAL(memcmp)
-	cmpwi	0,r5,0
-	ble-	2f
+	PPC_LCMPI 0,r5,0
+	beq-	2f
 	mtctr	r5
 	addi	r6,r3,-1
 	addi	r4,r4,-1
@@ -108,8 +108,8 @@ _GLOBAL(memcmp)
 	blr
 
 _GLOBAL(memchr)
-	cmpwi	0,r5,0
-	ble-	2f
+	PPC_LCMPI 0,r5,0
+	beq-	2f
 	mtctr	r5
 	addi	r3,r3,-1
 1:	lbzu	r0,1(r3)

From abb17f9c3a92c5acf30e749efdf0419b7f50a5b8 Mon Sep 17 00:00:00 2001
From: Milton Miller <miltonm@bga.com>
Date: Wed, 19 May 2010 02:56:29 +0000
Subject: [PATCH 2446/3638] powerpc: Use common cpu_die (fixes SMP+SUSPEND
 build)

Configuring a powerpc 32 bit kernel for both SMP and SUSPEND turns on
CPU_HOTPLUG to enable disable_nonboot_cpus to be called by the common
suspend code.  Previously the definition of cpu_die for ppc32 was in
the powermac platform code, causing it to be undefined if that platform
as not selected.

arch/powerpc/kernel/built-in.o: In function 'cpu_idle':
arch/powerpc/kernel/idle.c:98: undefined reference to 'cpu_die'

Move the code from setup_64 to smp.c and rename the power mac
versions to their specific names.

Note that this does not setup the cpu_die pointers in either
smp_ops (request a given cpu die) or ppc_md (make this cpu die),
for other platforms but there are generic versions in smp.c.

Reported-by: Matt Sealey <matt@genesi-usa.com>
Reported-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/setup_64.c          |  6 ------
 arch/powerpc/kernel/smp.c               |  6 ++++++
 arch/powerpc/platforms/powermac/pmac.h  |  2 ++
 arch/powerpc/platforms/powermac/setup.c | 11 ++++++++---
 arch/powerpc/platforms/powermac/smp.c   |  5 +++--
 5 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 914389158a9..cea66987a6e 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -573,12 +573,6 @@ void ppc64_boot_msg(unsigned int src, const char *msg)
 	printk("[boot]%04x %s\n", src, msg);
 }
 
-void cpu_die(void)
-{
-	if (ppc_md.cpu_die)
-		ppc_md.cpu_die();
-}
-
 #ifdef CONFIG_SMP
 #define PCPU_DYN_SIZE		()
 
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index bf366167d36..5c196d1086d 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -648,4 +648,10 @@ void cpu_hotplug_driver_unlock()
 {
 	mutex_unlock(&powerpc_cpu_hotplug_driver_mutex);
 }
+
+void cpu_die(void)
+{
+	if (ppc_md.cpu_die)
+		ppc_md.cpu_die();
+}
 #endif
diff --git a/arch/powerpc/platforms/powermac/pmac.h b/arch/powerpc/platforms/powermac/pmac.h
index 3362e781b6a..f0bc08f6c1f 100644
--- a/arch/powerpc/platforms/powermac/pmac.h
+++ b/arch/powerpc/platforms/powermac/pmac.h
@@ -33,6 +33,8 @@ extern void pmac_setup_pci_dma(void);
 extern void pmac_check_ht_link(void);
 
 extern void pmac_setup_smp(void);
+extern void pmac32_cpu_die(void);
+extern void low_cpu_die(void) __attribute__((noreturn));
 
 extern int pmac_nvram_init(void);
 extern void pmac_pic_init(void);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 47a2b448855..f1d0132ebcc 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -646,7 +646,7 @@ static int pmac_pci_probe_mode(struct pci_bus *bus)
 /* access per cpu vars from generic smp.c */
 DECLARE_PER_CPU(int, cpu_state);
 
-static void pmac_cpu_die(void)
+static void pmac64_cpu_die(void)
 {
 	/*
 	 * turn off as much as possible, we'll be
@@ -717,8 +717,13 @@ define_machine(powermac) {
 	.pcibios_after_init	= pmac_pcibios_after_init,
 	.phys_mem_access_prot	= pci_phys_mem_access_prot,
 #endif
-#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64)
-	.cpu_die		= pmac_cpu_die,
+#ifdef CONFIG_HOTPLUG_CPU
+#ifdef CONFIG_PPC64
+	.cpu_die		= pmac64_cpu_die,
+#endif
+#ifdef CONFIG_PPC32
+	.cpu_die		= pmac32_cpu_die,
+#endif
 #endif
 #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32)
 	.cpu_die		= generic_mach_cpu_die,
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 02d0b8e5b13..c95215f4f8b 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -53,6 +53,8 @@
 #include <asm/pmac_low_i2c.h>
 #include <asm/pmac_pfunc.h>
 
+#include "pmac.h"
+
 #undef DEBUG
 
 #ifdef DEBUG
@@ -878,10 +880,9 @@ int smp_core99_cpu_disable(void)
 	return 0;
 }
 
-extern void low_cpu_die(void) __attribute__((noreturn)); /* in sleep.S */
 static int cpu_dead[NR_CPUS];
 
-void cpu_die(void)
+void pmac32_cpu_die(void)
 {
 	local_irq_disable();
 	cpu_dead[smp_processor_id()] = 1;

From e62cee42e66dcca83aae02748535f62e0f564a0c Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Thu, 6 May 2010 19:46:50 +0000
Subject: [PATCH 2447/3638] powerpc: Avoid bad relocations in iSeries code

Subrata Modak reported that building a CONFIG_RELOCATABLE kernel with
CONFIG_ISERIES enabled gives the following warnings:

WARNING: 4 bad relocations
c00000000007216e R_PPC64_ADDR16_HIGHEST  __ksymtab+0x00000000009dcec8
c000000000072172 R_PPC64_ADDR16_HIGHER  __ksymtab+0x00000000009dcec8
c00000000007217a R_PPC64_ADDR16_HI  __ksymtab+0x00000000009dcec8
c00000000007217e R_PPC64_ADDR16_LO  __ksymtab+0x00000000009dcec8

The reason is that decrementer_iSeries_masked is using
LOAD_REG_IMMEDIATE to get the address of a kernel symbol, which
creates relocations that aren't handled by the kernel relocator code.

Instead of reading the tb_ticks_per_jiffy variable, we can just set
the decrementer to its maximum value (0x7fffffff) and that will work
just as well.  In fact timer_interrupt sets the decrementer to that
value initially anyway, and we are sure to get into timer_interrupt
once interrupts are reenabled because we store 1 to the decrementer
interrupt flag in the lppaca (LPPACADECRINT(r12) here).

Reported-by: Subrata Modak <subrata@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/iseries/exception.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index fba5bf91507..32a56c6dfa7 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -252,8 +252,8 @@ decrementer_iSeries_masked:
 	li	r11,1
 	ld	r12,PACALPPACAPTR(r13)
 	stb	r11,LPPACADECRINT(r12)
-	LOAD_REG_IMMEDIATE(r12, tb_ticks_per_jiffy)
-	lwz	r12,0(r12)
+	li	r12,-1
+	clrldi	r12,r12,33	/* set DEC to 0x7fffffff */
 	mtspr	SPRN_DEC,r12
 	/* fall through */
 

From a1263c71448aa70afb6097fdedf93c3dff5a7a15 Mon Sep 17 00:00:00 2001
From: Brian King <brking@linux.vnet.ibm.com>
Date: Fri, 14 May 2010 12:04:41 +0000
Subject: [PATCH 2448/3638] powerpc/vio: Switch VIO Bus PM to use generic
 helpers

Switch to use the generic power management helpers.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/vio.c | 25 +------------------------
 1 file changed, 1 insertion(+), 24 deletions(-)

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index b8e311d64ad..9ce7b62dc3a 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1381,29 +1381,6 @@ static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
 	return 0;
 }
 
-static int vio_pm_suspend(struct device *dev)
-{
-	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
-	if (pm && pm->suspend)
-		return pm->suspend(dev);
-	return 0;
-}
-
-static int vio_pm_resume(struct device *dev)
-{
-	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
-	if (pm && pm->resume)
-		return pm->resume(dev);
-	return 0;
-}
-
-const struct dev_pm_ops vio_dev_pm_ops = {
-	.suspend = vio_pm_suspend,
-	.resume = vio_pm_resume,
-};
-
 static struct bus_type vio_bus_type = {
 	.name = "vio",
 	.dev_attrs = vio_dev_attrs,
@@ -1411,7 +1388,7 @@ static struct bus_type vio_bus_type = {
 	.match = vio_bus_match,
 	.probe = vio_bus_probe,
 	.remove = vio_bus_remove,
-	.pm = &vio_dev_pm_ops,
+	.pm = GENERIC_SUBSYS_PM_OPS,
 };
 
 /**

From 5b339bdf164d8aee394609768f7e2e4415b0252a Mon Sep 17 00:00:00 2001
From: Sonny Rao <sonnyrao@us.ibm.com>
Date: Mon, 10 May 2010 15:13:41 +0000
Subject: [PATCH 2449/3638] powerpc/pci: Check devices status property when
 scanning OF tree

We ran into an issue where it looks like we're not properly ignoring a
pci device with a non-good status property when we walk the device tree
and instanciate the Linux side PCI devices.

However, the EEH init code does look for the property and disables EEH
on these devices. This leaves us in an inconsistent where we are poking
at a supposedly bad piece of hardware and RTAS will block our config
cycles because EEH isn't enabled anyway.

Signed-of-by: Sonny Rao <sonnyrao@linux.vnet.ibm.com>

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/pci_of_scan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index cd11d5ca80d..6ddb795f83e 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -310,6 +310,8 @@ static void __devinit __of_scan_bus(struct device_node *node,
 	/* Scan direct children */
 	for_each_child_of_node(node, child) {
 		pr_debug("  * %s\n", child->full_name);
+		if (!of_device_is_available(child))
+			continue;
 		reg = of_get_property(child, "reg", &reglen);
 		if (reg == NULL || reglen < 20)
 			continue;

From ce47c1c45b2b17ad07af82c775f27cc5196080f8 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 10 May 2010 15:38:56 +0000
Subject: [PATCH 2450/3638] powerpc/eeh: Fix oops when probing in early boot

If we take an EEH error early enough, we oops:

Call Trace:
[c000000010483770] [c000000000013ee4] .show_stack+0xd8/0x218 (unreliable)
[c000000010483850] [c000000000658940] .dump_stack+0x28/0x3c
[c0000000104838d0] [c000000000057a68] .eeh_dn_check_failure+0x2b8/0x304
[c000000010483990] [c0000000000259c8] .rtas_read_config+0x120/0x168
[c000000010483a40] [c000000000025af4] .rtas_pci_read_config+0xe4/0x124
[c000000010483af0] [c00000000037af18] .pci_bus_read_config_word+0xac/0x104
[c000000010483bc0] [c0000000008fec98] .pcibios_allocate_resources+0x7c/0x220
[c000000010483c90] [c0000000008feed8] .pcibios_resource_survey+0x9c/0x418
[c000000010483d80] [c0000000008fea10] .pcibios_init+0xbc/0xf4
[c000000010483e20] [c000000000009844] .do_one_initcall+0x98/0x1d8
[c000000010483ed0] [c0000000008f0560] .kernel_init+0x228/0x2e8
[c000000010483f90] [c000000000031a08] .kernel_thread+0x54/0x70
EEH: Detected PCI bus error on device <null>
EEH: This PCI device has failed 1 times in the last hour:
EEH: location=U78A5.001.WIH8464-P1 driver= pci addr=0001:00:01.0
EEH: of node=/pci@800000020000209/usb@1
EEH: PCI device/vendor: 00351033
EEH: PCI cmd/status register: 12100146

Unable to handle kernel paging request for data at address 0x00000468
Oops: Kernel access of bad area, sig: 11 [#1]
....
NIP [c000000000057610] .rtas_set_slot_reset+0x38/0x10c
LR [c000000000058724] .eeh_reset_device+0x5c/0x124
Call Trace:
[c00000000bc6bd00] [c00000000005a0e0] .pcibios_remove_pci_devices+0x7c/0xb0 (unreliable)
[c00000000bc6bd90] [c000000000058724] .eeh_reset_device+0x5c/0x124
[c00000000bc6be40] [c0000000000589c0] .handle_eeh_events+0x1d4/0x39c
[c00000000bc6bf00] [c000000000059124] .eeh_event_handler+0xf0/0x188
[c00000000bc6bf90] [c000000000031a08] .kernel_thread+0x54/0x70

We called rtas_set_slot_reset while scanning the bus and before the pci_dn
to pcidev mapping has been created. Since we only need the pcidev to work
out the type of reset and that only gets set after the module for the
device loads, lets just do a hot reset if the pcidev is NULL.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Linas Vepstas <linasvepstas@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/eeh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 7df7fbb7cac..34b7dc12e73 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -749,7 +749,7 @@ static void __rtas_set_slot_reset(struct pci_dn *pdn)
 	/* Determine type of EEH reset required by device,
 	 * default hot reset or fundamental reset
 	 */
-	if (dev->needs_freset)
+	if (dev && dev->needs_freset)
 		rtas_pci_slot_reset(pdn, 3);
 	else
 		rtas_pci_slot_reset(pdn, 1);

From 426b6cb478e60352a463a0d1ec75c1c9fab30b13 Mon Sep 17 00:00:00 2001
From: Maxim Uvarov <muvarov@gmail.com>
Date: Tue, 11 May 2010 05:41:08 +0000
Subject: [PATCH 2451/3638] powerpc/crashdump: Do not fail on NULL pointer
 dereferencing

Signed-off-by: Maxim Uvarov <muvarov@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/crash.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 6f4613dd05e..341d8af6f33 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -375,6 +375,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
 	for_each_irq(i) {
 		struct irq_desc *desc = irq_to_desc(i);
 
+		if (!desc || !desc->chip || !desc->chip->eoi)
+			continue;
+
 		if (desc->status & IRQ_INPROGRESS)
 			desc->chip->eoi(i);
 

From 0644079410065567e3bb31fcb8e6441f2b7685a9 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 10 May 2010 16:25:51 +0000
Subject: [PATCH 2452/3638] powerpc/kdump: CPUs assume the context of the
 oopsing CPU

We wrap the crash_shutdown_handles[] calls with longjmp/setjmp, so if any
of them fault we can recover. The problem is we add a hook to the debugger
fault handler hook which calls longjmp unconditionally.

This first part of kdump is run before we marshall the other CPUs, so there
is a very good chance some CPU on the box is going to page fault. And when
it does it hits the longjmp code and assumes the context of the oopsing CPU.
The machine gets very confused when it has 10 CPUs all with the same stack,
all thinking they have the same CPU id. I get even more confused trying
to debug it.

The patch below adds crash_shutdown_cpu and uses it to specify which cpu is
in the protected region. Since it can only be -1 or the oopsing CPU, we don't
need to use memory barriers since it is only valid on the local CPU - no other
CPU will ever see a value that matches it's local CPU id.

Eventually we should switch the order and marshall all CPUs before doing the
crash_shutdown_handles[] calls, but that is a bigger fix.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/crash.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 341d8af6f33..7ced58dacb1 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -347,10 +347,12 @@ int crash_shutdown_unregister(crash_shutdown_t handler)
 EXPORT_SYMBOL(crash_shutdown_unregister);
 
 static unsigned long crash_shutdown_buf[JMP_BUF_LEN];
+static int crash_shutdown_cpu = -1;
 
 static int handle_fault(struct pt_regs *regs)
 {
-	longjmp(crash_shutdown_buf, 1);
+	if (crash_shutdown_cpu == smp_processor_id())
+		longjmp(crash_shutdown_buf, 1);
 	return 0;
 }
 
@@ -391,6 +393,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
 	 */
 	old_handler = __debugger_fault_handler;
 	__debugger_fault_handler = handle_fault;
+	crash_shutdown_cpu = smp_processor_id();
 	for (i = 0; crash_shutdown_handles[i]; i++) {
 		if (setjmp(crash_shutdown_buf) == 0) {
 			/*
@@ -404,6 +407,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
 			asm volatile("sync; isync");
 		}
 	}
+	crash_shutdown_cpu = -1;
 	__debugger_fault_handler = old_handler;
 
 	/*

From 5d7a87217de48b234b3c8ff8a73059947d822e07 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 10 May 2010 16:27:38 +0000
Subject: [PATCH 2453/3638] powerpc/kdump: Use chip->shutdown to disable IRQs

I saw this in a kdump kernel:

IOMMU table initialized, virtual merging enabled
Interrupt 155954 (real) is invalid, disabling it.
Interrupt 155953 (real) is invalid, disabling it.

ie we took some spurious interrupts. default_machine_crash_shutdown tries
to disable all interrupt sources but uses chip->disable which maps to
the default action of:

static void default_disable(unsigned int irq)
{
}

If we use chip->shutdown, then we actually mask the IRQ:

static void default_shutdown(unsigned int irq)
{
        struct irq_desc *desc = irq_to_desc(irq);

        desc->chip->mask(irq);
        desc->status |= IRQ_MASKED;
}

Not sure why we don't implement a ->disable action for xics.c, or why
default_disable doesn't mask the interrupt.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/crash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 7ced58dacb1..cca7c8fafc1 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -384,7 +384,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
 			desc->chip->eoi(i);
 
 		if (!(desc->status & IRQ_DISABLED))
-			desc->chip->disable(i);
+			desc->chip->shutdown(i);
 	}
 
 	/*

From 095c7965f4dc870ed2b65143b1e2610de653416c Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 10 May 2010 18:59:18 +0000
Subject: [PATCH 2454/3638] powerpc: Use more accurate limit for first segment
 memory allocations

Author: Milton Miller <miltonm@bga.com>

On large machines we are running out of room below 256MB. In some cases we
only need to ensure the allocation is in the first segment, which may be
256MB or 1TB.

Add slb0_limit and use it to specify the upper limit for the irqstack and
emergency stacks.

On a large ppc64 box, this fixes a panic at boot when the crashkernel=
option is specified (previously we would run out of memory below 256MB).

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/setup_64.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index cea66987a6e..f3fb5a79de5 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -424,9 +424,18 @@ void __init setup_system(void)
 	DBG(" <- setup_system()\n");
 }
 
+static u64 slb0_limit(void)
+{
+	if (cpu_has_feature(CPU_FTR_1T_SEGMENT)) {
+		return 1UL << SID_SHIFT_1T;
+	}
+	return 1UL << SID_SHIFT;
+}
+
 #ifdef CONFIG_IRQSTACKS
 static void __init irqstack_early_init(void)
 {
+	u64 limit = slb0_limit();
 	unsigned int i;
 
 	/*
@@ -436,10 +445,10 @@ static void __init irqstack_early_init(void)
 	for_each_possible_cpu(i) {
 		softirq_ctx[i] = (struct thread_info *)
 			__va(lmb_alloc_base(THREAD_SIZE,
-					    THREAD_SIZE, 0x10000000));
+					    THREAD_SIZE, limit));
 		hardirq_ctx[i] = (struct thread_info *)
 			__va(lmb_alloc_base(THREAD_SIZE,
-					    THREAD_SIZE, 0x10000000));
+					    THREAD_SIZE, limit));
 	}
 }
 #else
@@ -470,7 +479,7 @@ static void __init exc_lvl_early_init(void)
  */
 static void __init emergency_stack_init(void)
 {
-	unsigned long limit;
+	u64 limit;
 	unsigned int i;
 
 	/*
@@ -482,7 +491,7 @@ static void __init emergency_stack_init(void)
 	 * bringup, we need to get at them in real mode. This means they
 	 * must also be within the RMO region.
 	 */
-	limit = min(0x10000000ULL, lmb.rmo_size);
+	limit = min(slb0_limit(), lmb.rmo_size);
 
 	for_each_possible_cpu(i) {
 		unsigned long sp;

From f90ece28c1f5b3ec13fe481406857fe92f4bc7d1 Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Mon, 10 May 2010 20:28:26 +0000
Subject: [PATCH 2455/3638] powerpc/pseries: Add hcall to read 4 ptes at a time
 in real mode

This adds plpar_pte_read_4_raw() which can be used read 4 PTEs from
PHYP at a time, while in real mode.

It also creates a new hcall9 which can be used in real mode.  It's the
same as plpar_hcall9 but minus the tracing hcall statistics which may
require variables outside the RMO.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/hvcall.h             |  1 +
 arch/powerpc/platforms/pseries/hvCall.S       | 38 +++++++++++++++++++
 .../platforms/pseries/plpar_wrappers.h        | 18 +++++++++
 3 files changed, 57 insertions(+)

diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index ebe7493e93e..5119b7db314 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -282,6 +282,7 @@ long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
  */
 #define PLPAR_HCALL9_BUFSIZE 9
 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
+long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
 
 /* For hcall instrumentation.  One structure per-hcall, per-CPU */
 struct hcall_stats {
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S
index 383a5d0e981..48d20573e4d 100644
--- a/arch/powerpc/platforms/pseries/hvCall.S
+++ b/arch/powerpc/platforms/pseries/hvCall.S
@@ -228,3 +228,41 @@ _GLOBAL(plpar_hcall9)
 	mtcrf	0xff,r0
 
 	blr				/* return r3 = status */
+
+/* See plpar_hcall_raw to see why this is needed */
+_GLOBAL(plpar_hcall9_raw)
+	HMT_MEDIUM
+
+	mfcr	r0
+	stw	r0,8(r1)
+
+	std     r4,STK_PARM(r4)(r1)     /* Save ret buffer */
+
+	mr	r4,r5
+	mr	r5,r6
+	mr	r6,r7
+	mr	r7,r8
+	mr	r8,r9
+	mr	r9,r10
+	ld	r10,STK_PARM(r11)(r1)	 /* put arg7 in R10 */
+	ld	r11,STK_PARM(r12)(r1)	 /* put arg8 in R11 */
+	ld	r12,STK_PARM(r13)(r1)    /* put arg9 in R12 */
+
+	HVSC				/* invoke the hypervisor */
+
+	mr	r0,r12
+	ld	r12,STK_PARM(r4)(r1)
+	std	r4,  0(r12)
+	std	r5,  8(r12)
+	std	r6, 16(r12)
+	std	r7, 24(r12)
+	std	r8, 32(r12)
+	std	r9, 40(r12)
+	std	r10,48(r12)
+	std	r11,56(r12)
+	std	r0, 64(r12)
+
+	lwz	r0,8(r1)
+	mtcrf	0xff,r0
+
+	blr				/* return r3 = status */
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 6c4fd2c3f38..d9801117124 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -191,6 +191,24 @@ static inline long plpar_pte_read_raw(unsigned long flags, unsigned long ptex,
 	return rc;
 }
 
+/*
+ * plpar_pte_read_4_raw can be called in real mode.
+ * ptes must be 8*sizeof(unsigned long)
+ */
+static inline long plpar_pte_read_4_raw(unsigned long flags, unsigned long ptex,
+					unsigned long *ptes)
+
+{
+	long rc;
+	unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
+
+	rc = plpar_hcall9_raw(H_READ, retbuf, flags | H_READ_4, ptex);
+
+	memcpy(ptes, retbuf, 8*sizeof(unsigned long));
+
+	return rc;
+}
+
 static inline long plpar_pte_protect(unsigned long flags, unsigned long ptex,
 		unsigned long avpn)
 {

From d504bed676caad29a3dba3d3727298c560628f5c Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Mon, 10 May 2010 20:28:26 +0000
Subject: [PATCH 2456/3638] powerpc/kexec: Speedup kexec hash PTE tear down

Currently for kexec the PTE tear down on 1TB segment systems normally
requires 3 hcalls for each PTE removal. On a machine with 32GB of
memory it can take around a minute to remove all the PTEs.

This optimises the path so that we only remove PTEs that are valid.
It also uses the read 4 PTEs at once HCALL.  For the common case where
a PTEs is invalid in a 1TB segment, this turns the 3 HCALLs per PTE
down to 1 HCALL per 4 PTEs.

This gives an > 10x speedup in kexec times on PHYP, taking a 32GB
machine from around 1 minute down to a few seconds.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/lpar.c | 33 ++++++++++++++++-----------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 0707653612b..cf79b46d8f8 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -367,21 +367,28 @@ static void pSeries_lpar_hptab_clear(void)
 {
 	unsigned long size_bytes = 1UL << ppc64_pft_size;
 	unsigned long hpte_count = size_bytes >> 4;
-	unsigned long dummy1, dummy2, dword0;
+	struct {
+		unsigned long pteh;
+		unsigned long ptel;
+	} ptes[4];
 	long lpar_rc;
-	int i;
+	int i, j;
 
-	/* TODO: Use bulk call */
-	for (i = 0; i < hpte_count; i++) {
-		/* dont remove HPTEs with VRMA mappings */
-		lpar_rc = plpar_pte_remove_raw(H_ANDCOND, i, HPTE_V_1TB_SEG,
-						&dummy1, &dummy2);
-		if (lpar_rc == H_NOT_FOUND) {
-			lpar_rc = plpar_pte_read_raw(0, i, &dword0, &dummy1);
-			if (!lpar_rc && ((dword0 & HPTE_V_VRMA_MASK)
-				!= HPTE_V_VRMA_MASK))
-				/* Can be hpte for 1TB Seg. So remove it */
-				plpar_pte_remove_raw(0, i, 0, &dummy1, &dummy2);
+	/* Read in batches of 4,
+	 * invalidate only valid entries not in the VRMA
+	 * hpte_count will be a multiple of 4
+         */
+	for (i = 0; i < hpte_count; i += 4) {
+		lpar_rc = plpar_pte_read_4_raw(0, i, (void *)ptes);
+		if (lpar_rc != H_SUCCESS)
+			continue;
+		for (j = 0; j < 4; j++){
+			if ((ptes[j].pteh & HPTE_V_VRMA_MASK) ==
+				HPTE_V_VRMA_MASK)
+				continue;
+			if (ptes[j].pteh & HPTE_V_VALID)
+				plpar_pte_remove_raw(0, i + j, 0,
+					&(ptes[j].pteh), &(ptes[j].ptel));
 		}
 	}
 }

From 1fc711f7ffb01089efc58042cfdbac8573d1b59a Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Thu, 13 May 2010 19:40:11 +0000
Subject: [PATCH 2457/3638] powerpc/kexec: Fix race in kexec shutdown

In kexec_prepare_cpus, the primary CPU IPIs the secondary CPUs to
kexec_smp_down().  kexec_smp_down() calls kexec_smp_wait() which sets
the hw_cpu_id() to -1.  The primary does this while leaving IRQs on
which means the primary can take a timer interrupt which can lead to
the IPIing one of the secondary CPUs (say, for a scheduler re-balance)
but since the secondary CPU now has a hw_cpu_id = -1, we IPI CPU
-1... Kaboom!

We are hitting this case regularly on POWER7 machines.

There is also a second race, where the primary will tear down the MMU
mappings before knowing the secondaries have entered real mode.

Also, the secondaries are clearing out any pending IPIs before
guaranteeing that no more will be received.

This changes kexec_prepare_cpus() so that we turn off IRQs in the
primary CPU much earlier.  It adds a paca flag to say that the
secondaries have entered the kexec_smp_down() IPI and turned off IRQs,
rather than overloading hw_cpu_id with -1.  This new paca flag is
again used to in indicate when the secondaries has entered real mode.

It also ensures that all CPUs have their IRQs off before we clear out
any pending IPI requests (in kexec_cpu_down()) to ensure there are no
trailing IPIs left unacknowledged.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/kexec.h       |  4 +++
 arch/powerpc/include/asm/paca.h        |  1 +
 arch/powerpc/kernel/asm-offsets.c      |  1 +
 arch/powerpc/kernel/machine_kexec_64.c | 48 ++++++++++++++++++--------
 arch/powerpc/kernel/misc_64.S          |  8 +++--
 arch/powerpc/kernel/paca.c             |  2 ++
 6 files changed, 47 insertions(+), 17 deletions(-)

diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index 7e06b43720d..a6ca6da1430 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -31,6 +31,10 @@
 #define KEXEC_ARCH KEXEC_ARCH_PPC
 #endif
 
+#define KEXEC_STATE_NONE 0
+#define KEXEC_STATE_IRQS_OFF 1
+#define KEXEC_STATE_REAL_MODE 2
+
 #ifndef __ASSEMBLY__
 #include <linux/cpumask.h>
 #include <asm/reg.h>
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index a011603d407..971dfa4815f 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -82,6 +82,7 @@ struct paca_struct {
 	s16 hw_cpu_id;			/* Physical processor number */
 	u8 cpu_start;			/* At startup, processor spins until */
 					/* this becomes non-zero. */
+	u8 kexec_state;		/* set when kexec down has irqs off */
 #ifdef CONFIG_PPC_STD_MMU_64
 	struct slb_shadow *slb_shadow_ptr;
 
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 0271b58ec31..1b784ff92d9 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -184,6 +184,7 @@ int main(void)
 #endif /* CONFIG_PPC_STD_MMU_64 */
 	DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
 	DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
+	DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state));
 	DEFINE(PACA_STARTPURR, offsetof(struct paca_struct, startpurr));
 	DEFINE(PACA_STARTSPURR, offsetof(struct paca_struct, startspurr));
 	DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time));
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index 040bd1de8d9..26f9900f773 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -155,33 +155,38 @@ void kexec_copy_flush(struct kimage *image)
 
 #ifdef CONFIG_SMP
 
-/* FIXME: we should schedule this function to be called on all cpus based
- * on calling the interrupts, but we would like to call it off irq level
- * so that the interrupt controller is clean.
- */
+static int kexec_all_irq_disabled = 0;
+
 static void kexec_smp_down(void *arg)
 {
+	local_irq_disable();
+	mb(); /* make sure our irqs are disabled before we say they are */
+	get_paca()->kexec_state = KEXEC_STATE_IRQS_OFF;
+	while(kexec_all_irq_disabled == 0)
+		cpu_relax();
+	mb(); /* make sure all irqs are disabled before this */
+	/*
+	 * Now every CPU has IRQs off, we can clear out any pending
+	 * IPIs and be sure that no more will come in after this.
+	 */
 	if (ppc_md.kexec_cpu_down)
 		ppc_md.kexec_cpu_down(0, 1);
 
-	local_irq_disable();
 	kexec_smp_wait();
 	/* NOTREACHED */
 }
 
-static void kexec_prepare_cpus(void)
+static void kexec_prepare_cpus_wait(int wait_state)
 {
 	int my_cpu, i, notified=-1;
 
-	smp_call_function(kexec_smp_down, NULL, /* wait */0);
 	my_cpu = get_cpu();
-
-	/* check the others cpus are now down (via paca hw cpu id == -1) */
+	/* Make sure each CPU has atleast made it to the state we need */
 	for (i=0; i < NR_CPUS; i++) {
 		if (i == my_cpu)
 			continue;
 
-		while (paca[i].hw_cpu_id != -1) {
+		while (paca[i].kexec_state < wait_state) {
 			barrier();
 			if (!cpu_possible(i)) {
 				printk("kexec: cpu %d hw_cpu_id %d is not"
@@ -201,20 +206,35 @@ static void kexec_prepare_cpus(void)
 			}
 			if (i != notified) {
 				printk( "kexec: waiting for cpu %d (physical"
-						" %d) to go down\n",
-						i, paca[i].hw_cpu_id);
+						" %d) to enter %i state\n",
+					i, paca[i].hw_cpu_id, wait_state);
 				notified = i;
 			}
 		}
 	}
+	mb();
+}
+
+static void kexec_prepare_cpus(void)
+{
+
+	smp_call_function(kexec_smp_down, NULL, /* wait */0);
+	local_irq_disable();
+	mb(); /* make sure IRQs are disabled before we say they are */
+	get_paca()->kexec_state = KEXEC_STATE_IRQS_OFF;
+
+	kexec_prepare_cpus_wait(KEXEC_STATE_IRQS_OFF);
+	/* we are sure every CPU has IRQs off at this point */
+	kexec_all_irq_disabled = 1;
 
 	/* after we tell the others to go down */
 	if (ppc_md.kexec_cpu_down)
 		ppc_md.kexec_cpu_down(0, 0);
 
-	put_cpu();
+	/* Before removing MMU mapings make sure all CPUs have entered real mode */
+	kexec_prepare_cpus_wait(KEXEC_STATE_REAL_MODE);
 
-	local_irq_disable();
+	put_cpu();
 }
 
 #else /* ! SMP */
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index a5cf9c1356a..a2b18dffa03 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -24,6 +24,7 @@
 #include <asm/asm-offsets.h>
 #include <asm/cputable.h>
 #include <asm/thread_info.h>
+#include <asm/kexec.h>
 
 	.text
 
@@ -471,6 +472,10 @@ _GLOBAL(kexec_wait)
 1:	mflr	r5
 	addi	r5,r5,kexec_flag-1b
 
+	li	r4,KEXEC_STATE_REAL_MODE
+	stb	r4,PACAKEXECSTATE(r13)
+	SYNC
+
 99:	HMT_LOW
 #ifdef CONFIG_KEXEC		/* use no memory without kexec */
 	lwz	r4,0(r5)
@@ -494,14 +499,11 @@ kexec_flag:
  * note: this is a terminal routine, it does not save lr
  *
  * get phys id from paca
- * set paca id to -1 to say we got here
  * switch to real mode
  * join other cpus in kexec_wait(phys_id)
  */
 _GLOBAL(kexec_smp_wait)
 	lhz	r3,PACAHWCPUID(r13)
-	li	r4,-1
-	sth	r4,PACAHWCPUID(r13)	/* let others know we left */
 	bl	real_mode
 	b	.kexec_wait
 
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 0c40c6f476f..f88acf0218d 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -18,6 +18,7 @@
 #include <asm/pgtable.h>
 #include <asm/iseries/lpar_map.h>
 #include <asm/iseries/hv_types.h>
+#include <asm/kexec.h>
 
 /* This symbol is provided by the linker - let it fill in the paca
  * field correctly */
@@ -97,6 +98,7 @@ void __init initialise_paca(struct paca_struct *new_paca, int cpu)
 	new_paca->kernelbase = (unsigned long) _stext;
 	new_paca->kernel_msr = MSR_KERNEL;
 	new_paca->hw_cpu_id = 0xffff;
+	new_paca->kexec_state = KEXEC_STATE_NONE;
 	new_paca->__current = &init_task;
 #ifdef CONFIG_PPC_STD_MMU_64
 	new_paca->slb_shadow_ptr = &slb_shadow[cpu];

From 60adec6226bbcf061d4c2d10944fced209d1847d Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Thu, 13 May 2010 19:40:11 +0000
Subject: [PATCH 2458/3638] powerpc/kdump: Fix race in kdump shutdown

When we are crashing, the crashing/primary CPU IPIs the secondaries to
turn off IRQs, go into real mode and wait in kexec_wait.  While this
is happening, the primary tears down all the MMU maps.  Unfortunately
the primary doesn't check to make sure the secondaries have entered
real mode before doing this.

On PHYP machines, the secondaries can take a long time shutting down
the IRQ controller as RTAS calls are need.  These RTAS calls need to
be serialised which resilts in the secondaries contending in
lock_rtas() and hence taking a long time to shut down.

We've hit this on large POWER7 machines, where some secondaries are
still waiting in lock_rtas(), when the primary tears down the HPTEs.

This patch makes sure all secondaries are in real mode before the
primary tears down the MMU.  It uses the new kexec_state entry in the
paca.  It times out if the secondaries don't reach real mode after
10sec.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/crash.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index cca7c8fafc1..8c066d6a8e4 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -162,6 +162,32 @@ static void crash_kexec_prepare_cpus(int cpu)
 	/* Leave the IPI callback set */
 }
 
+/* wait for all the CPUs to hit real mode but timeout if they don't come in */
+static void crash_kexec_wait_realmode(int cpu)
+{
+	unsigned int msecs;
+	int i;
+
+	msecs = 10000;
+	for (i=0; i < NR_CPUS && msecs > 0; i++) {
+		if (i == cpu)
+			continue;
+
+		while (paca[i].kexec_state < KEXEC_STATE_REAL_MODE) {
+			barrier();
+			if (!cpu_possible(i)) {
+				break;
+			}
+			if (!cpu_online(i)) {
+				break;
+			}
+			msecs--;
+			mdelay(1);
+		}
+	}
+	mb();
+}
+
 /*
  * This function will be called by secondary cpus or by kexec cpu
  * if soft-reset is activated to stop some CPUs.
@@ -419,6 +445,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
 	crash_kexec_prepare_cpus(crashing_cpu);
 	cpu_set(crashing_cpu, cpus_in_crash);
 	crash_kexec_stop_spus();
+	crash_kexec_wait_realmode(crashing_cpu);
 	if (ppc_md.kexec_cpu_down)
 		ppc_md.kexec_cpu_down(1, 0);
 }

From dd04c63c96425af9b6741f3abf0ad25d6b1c0e8d Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Sun, 16 May 2010 20:01:28 +0000
Subject: [PATCH 2459/3638] powerpc: Remove check of ibm,smt-snooze-delay OF
 property

I'm not sure why we have code for parsing an ibm,smt-snooze-delay OF
property. Since we have a smt-snooze-delay= boot option and we can
also set it at runtime via sysfs, it should be safe to get rid of
this code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/sysfs.c | 29 -----------------------------
 1 file changed, 29 deletions(-)

diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index e235e52dc4f..158fb731e19 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -67,33 +67,6 @@ static ssize_t show_smt_snooze_delay(struct sys_device *dev,
 static SYSDEV_ATTR(smt_snooze_delay, 0644, show_smt_snooze_delay,
 		   store_smt_snooze_delay);
 
-/* Only parse OF options if the matching cmdline option was not specified */
-static int smt_snooze_cmdline;
-
-static int __init smt_setup(void)
-{
-	struct device_node *options;
-	const unsigned int *val;
-	unsigned int cpu;
-
-	if (!cpu_has_feature(CPU_FTR_SMT))
-		return -ENODEV;
-
-	options = of_find_node_by_path("/options");
-	if (!options)
-		return -ENODEV;
-
-	val = of_get_property(options, "ibm,smt-snooze-delay", NULL);
-	if (!smt_snooze_cmdline && val) {
-		for_each_possible_cpu(cpu)
-			per_cpu(smt_snooze_delay, cpu) = *val;
-	}
-
-	of_node_put(options);
-	return 0;
-}
-__initcall(smt_setup);
-
 static int __init setup_smt_snooze_delay(char *str)
 {
 	unsigned int cpu;
@@ -102,8 +75,6 @@ static int __init setup_smt_snooze_delay(char *str)
 	if (!cpu_has_feature(CPU_FTR_SMT))
 		return 1;
 
-	smt_snooze_cmdline = 1;
-
 	if (get_option(&str, &snooze)) {
 		for_each_possible_cpu(cpu)
 			per_cpu(smt_snooze_delay, cpu) = snooze;

From b878dc00595440586874952dd85ce9b803360b87 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Sun, 16 May 2010 20:02:39 +0000
Subject: [PATCH 2460/3638] powerpc: Use smt_snooze_delay=-1 to always busy
 loop

Right now if we want to busy loop and not give up any time to the hypervisor
we put a very large value into smt_snooze_delay. This is sometimes useful
when running a single partition and you want to avoid any latencies due
to the hypervisor or CPU power state transitions. While this works, it's a bit
ugly - how big a number is enough now we have NO_HZ and can be idle for a very
long time.

The patch below makes smt_snooze_delay signed, and a negative value means loop
forever:

echo -1 > /sys/devices/system/cpu/cpu0/smt_snooze_delay

This change shouldn't affect the existing userspace tools (eg ppc64_cpu), but
I'm cc-ing Nathan just to be sure.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/sysfs.c            | 17 ++++++++---------
 arch/powerpc/platforms/pseries/setup.c | 10 +++++-----
 2 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 158fb731e19..c0d8c2006bf 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -35,7 +35,7 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices);
 #ifdef CONFIG_PPC64
 
 /* Time in microseconds we delay before sleeping in the idle loop */
-DEFINE_PER_CPU(unsigned long, smt_snooze_delay) = { 100 };
+DEFINE_PER_CPU(long, smt_snooze_delay) = { 100 };
 
 static ssize_t store_smt_snooze_delay(struct sys_device *dev,
 				      struct sysdev_attribute *attr,
@@ -44,9 +44,9 @@ static ssize_t store_smt_snooze_delay(struct sys_device *dev,
 {
 	struct cpu *cpu = container_of(dev, struct cpu, sysdev);
 	ssize_t ret;
-	unsigned long snooze;
+	long snooze;
 
-	ret = sscanf(buf, "%lu", &snooze);
+	ret = sscanf(buf, "%ld", &snooze);
 	if (ret != 1)
 		return -EINVAL;
 
@@ -61,7 +61,7 @@ static ssize_t show_smt_snooze_delay(struct sys_device *dev,
 {
 	struct cpu *cpu = container_of(dev, struct cpu, sysdev);
 
-	return sprintf(buf, "%lu\n", per_cpu(smt_snooze_delay, cpu->sysdev.id));
+	return sprintf(buf, "%ld\n", per_cpu(smt_snooze_delay, cpu->sysdev.id));
 }
 
 static SYSDEV_ATTR(smt_snooze_delay, 0644, show_smt_snooze_delay,
@@ -70,15 +70,14 @@ static SYSDEV_ATTR(smt_snooze_delay, 0644, show_smt_snooze_delay,
 static int __init setup_smt_snooze_delay(char *str)
 {
 	unsigned int cpu;
-	int snooze;
+	long snooze;
 
 	if (!cpu_has_feature(CPU_FTR_SMT))
 		return 1;
 
-	if (get_option(&str, &snooze)) {
-		for_each_possible_cpu(cpu)
-			per_cpu(smt_snooze_delay, cpu) = snooze;
-	}
+	snooze = simple_strtol(str, NULL, 10);
+	for_each_possible_cpu(cpu)
+		per_cpu(smt_snooze_delay, cpu) = snooze;
 
 	return 1;
 }
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 6710761bf60..a6d19e3a505 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -496,13 +496,14 @@ static int __init pSeries_probe(void)
 }
 
 
-DECLARE_PER_CPU(unsigned long, smt_snooze_delay);
+DECLARE_PER_CPU(long, smt_snooze_delay);
 
 static void pseries_dedicated_idle_sleep(void)
 { 
 	unsigned int cpu = smp_processor_id();
 	unsigned long start_snooze;
 	unsigned long in_purr, out_purr;
+	long snooze = __get_cpu_var(smt_snooze_delay);
 
 	/*
 	 * Indicate to the HV that we are idle. Now would be
@@ -517,13 +518,12 @@ static void pseries_dedicated_idle_sleep(void)
 	 * has been checked recently.  If we should poll for a little
 	 * while, do so.
 	 */
-	if (__get_cpu_var(smt_snooze_delay)) {
-		start_snooze = get_tb() +
-			__get_cpu_var(smt_snooze_delay) * tb_ticks_per_usec;
+	if (snooze) {
+		start_snooze = get_tb() + snooze * tb_ticks_per_usec;
 		local_irq_enable();
 		set_thread_flag(TIF_POLLING_NRFLAG);
 
-		while (get_tb() < start_snooze) {
+		while ((snooze < 0) || (get_tb() < start_snooze)) {
 			if (need_resched() || cpu_is_offline(cpu))
 				goto out;
 			ppc64_runlatch_off();

From 56608209d34b8add40af54031d4e420afbcde9f6 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Sun, 16 May 2010 20:19:56 +0000
Subject: [PATCH 2461/3638] powerpc/numa: Set a smaller value for
 RECLAIM_DISTANCE to enable zone reclaim

I noticed /proc/sys/vm/zone_reclaim_mode was 0 on a ppc64 NUMA box. It gets
enabled via this:

        /*
         * If another node is sufficiently far away then it is better
         * to reclaim pages in a zone before going off node.
         */
        if (distance > RECLAIM_DISTANCE)
                zone_reclaim_mode = 1;

Since we use the default value of 20 for REMOTE_DISTANCE and 20 for
RECLAIM_DISTANCE it never kicks in.

The local to remote bandwidth ratios can be quite large on System p
machines so it makes sense for us to reclaim clean pagecache locally before
going off node.

The patch below sets a smaller value for RECLAIM_DISTANCE and thus enables
zone reclaim.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/topology.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 84ad11f65dc..32adf728072 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -18,6 +18,16 @@ struct device_node;
  */
 #define RECLAIM_DISTANCE 10
 
+/*
+ * Before going off node we want the VM to try and reclaim from the local
+ * node. It does this if the remote distance is larger than RECLAIM_DISTANCE.
+ * With the default REMOTE_DISTANCE of 20 and the default RECLAIM_DISTANCE of
+ * 20, we never reclaim and go off node straight away.
+ *
+ * To fix this we choose a smaller value of RECLAIM_DISTANCE.
+ */
+#define RECLAIM_DISTANCE 10
+
 #include <asm/mmzone.h>
 
 static inline int cpu_to_node(int cpu)

From bc8449cc57898bc9cf1ffc4619d026f77bf327c1 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Sun, 16 May 2010 20:28:35 +0000
Subject: [PATCH 2462/3638] powerpc/numa: Use ibm,architecture-vec-5 to detect
 form 1 affinity

I've been told that the architected way to determine we are in form 1
affinity mode is by reading the ibm,architecture-vec-5 property which
mirrors the layout of the fifth vector of the ibm,client-architecture
structure.

Eventually we may want to parse the ibm,architecture-vec-5 and create
FW_FEATURE_* bits.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/numa.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index aace5e5dfa0..80d110635d2 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -271,7 +271,8 @@ static int __init find_min_common_depth(void)
 	const unsigned int *ref_points;
 	struct device_node *rtas_root;
 	unsigned int len;
-	struct device_node *options;
+	struct device_node *chosen;
+	const char *vec5;
 
 	rtas_root = of_find_node_by_path("/rtas");
 
@@ -289,14 +290,17 @@ static int __init find_min_common_depth(void)
 			"ibm,associativity-reference-points", &len);
 
 	/*
-	 * For type 1 affinity information we want the first field
+	 * For form 1 affinity information we want the first field
 	 */
-	options = of_find_node_by_path("/options");
-	if (options) {
-		const char *str;
-		str = of_get_property(options, "ibm,associativity-form", NULL);
-		if (str && !strcmp(str, "1"))
-                        index = 0;
+#define VEC5_AFFINITY_BYTE	5
+#define VEC5_AFFINITY		0x80
+	chosen = of_find_node_by_path("/chosen");
+	if (chosen) {
+		vec5 = of_get_property(chosen, "ibm,architecture-vec-5", NULL);
+		if (vec5 && (vec5[VEC5_AFFINITY_BYTE] & VEC5_AFFINITY)) {
+			dbg("Using form 1 affinity\n");
+			index = 0;
+		}
 	}
 
 	if ((len >= 2 * sizeof(unsigned int)) && ref_points) {

From 32c96f7765b881ab1f6ab8ff04b733e4cf157239 Mon Sep 17 00:00:00 2001
From: Mark Nelson <markn@au1.ibm.com>
Date: Tue, 18 May 2010 22:51:00 +0000
Subject: [PATCH 2463/3638] powerpc/pseries: Make request_ras_irqs() available
 to other pseries code

At the moment only the RAS code uses event-sources interrupts (for EPOW
events and internal errors) so request_ras_irqs() (which actually requests
the event-sources interrupts) is found in ras.c and is static.

We want to be able to use event-sources interrupts in other pseries code,
so let's rename request_ras_irqs() to request_event_sources_irqs() and
move it to event_sources.c.

This will be used in an upcoming patch that adds support for IO Event
interrupts that come through as event sources.

Signed-off-by: Mark Nelson <markn@au1.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/Makefile       |  2 +-
 .../powerpc/platforms/pseries/event_sources.c | 79 +++++++++++++++++++
 arch/powerpc/platforms/pseries/pseries.h      |  7 ++
 arch/powerpc/platforms/pseries/ras.c          | 62 +--------------
 4 files changed, 90 insertions(+), 60 deletions(-)
 create mode 100644 arch/powerpc/platforms/pseries/event_sources.c

diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 0ff5174ae4f..3dbef309bc8 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -7,7 +7,7 @@ EXTRA_CFLAGS		+= -DDEBUG
 endif
 
 obj-y			:= lpar.o hvCall.o nvram.o reconfig.o \
-			   setup.o iommu.o ras.o \
+			   setup.o iommu.o event_sources.o ras.o \
 			   firmware.o power.o dlpar.o
 obj-$(CONFIG_SMP)	+= smp.o
 obj-$(CONFIG_XICS)	+= xics.o
diff --git a/arch/powerpc/platforms/pseries/event_sources.c b/arch/powerpc/platforms/pseries/event_sources.c
new file mode 100644
index 00000000000..e889c9d9586
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/event_sources.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2001 Dave Engebretsen IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <asm/prom.h>
+
+#include "pseries.h"
+
+void request_event_sources_irqs(struct device_node *np,
+				irq_handler_t handler,
+				const char *name)
+{
+	int i, index, count = 0;
+	struct of_irq oirq;
+	const u32 *opicprop;
+	unsigned int opicplen;
+	unsigned int virqs[16];
+
+	/* Check for obsolete "open-pic-interrupt" property. If present, then
+	 * map those interrupts using the default interrupt host and default
+	 * trigger
+	 */
+	opicprop = of_get_property(np, "open-pic-interrupt", &opicplen);
+	if (opicprop) {
+		opicplen /= sizeof(u32);
+		for (i = 0; i < opicplen; i++) {
+			if (count > 15)
+				break;
+			virqs[count] = irq_create_mapping(NULL, *(opicprop++));
+			if (virqs[count] == NO_IRQ)
+				printk(KERN_ERR "Unable to allocate interrupt "
+				       "number for %s\n", np->full_name);
+			else
+				count++;
+
+		}
+	}
+	/* Else use normal interrupt tree parsing */
+	else {
+		/* First try to do a proper OF tree parsing */
+		for (index = 0; of_irq_map_one(np, index, &oirq) == 0;
+		     index++) {
+			if (count > 15)
+				break;
+			virqs[count] = irq_create_of_mapping(oirq.controller,
+							    oirq.specifier,
+							    oirq.size);
+			if (virqs[count] == NO_IRQ)
+				printk(KERN_ERR "Unable to allocate interrupt "
+				       "number for %s\n", np->full_name);
+			else
+				count++;
+		}
+	}
+
+	/* Now request them */
+	for (i = 0; i < count; i++) {
+		if (request_irq(virqs[i], handler, 0, name, NULL)) {
+			printk(KERN_ERR "Unable to request interrupt %d for "
+			       "%s\n", virqs[i], np->full_name);
+			return;
+		}
+	}
+}
+
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index 9e17c0d2a0c..40c93cad91d 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -10,6 +10,13 @@
 #ifndef _PSERIES_PSERIES_H
 #define _PSERIES_PSERIES_H
 
+#include <linux/interrupt.h>
+
+struct device_node;
+
+extern void request_event_sources_irqs(struct device_node *np,
+				       irq_handler_t handler, const char *name);
+
 extern void __init fw_feature_init(const char *hypertas, unsigned long len);
 
 struct pt_regs;
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index db940d2c39a..41a3e9a039e 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -67,63 +67,6 @@ static irqreturn_t ras_epow_interrupt(int irq, void *dev_id);
 static irqreturn_t ras_error_interrupt(int irq, void *dev_id);
 
 
-static void request_ras_irqs(struct device_node *np,
-			irq_handler_t handler,
-			const char *name)
-{
-	int i, index, count = 0;
-	struct of_irq oirq;
-	const u32 *opicprop;
-	unsigned int opicplen;
-	unsigned int virqs[16];
-
-	/* Check for obsolete "open-pic-interrupt" property. If present, then
-	 * map those interrupts using the default interrupt host and default
-	 * trigger
-	 */
-	opicprop = of_get_property(np, "open-pic-interrupt", &opicplen);
-	if (opicprop) {
-		opicplen /= sizeof(u32);
-		for (i = 0; i < opicplen; i++) {
-			if (count > 15)
-				break;
-			virqs[count] = irq_create_mapping(NULL, *(opicprop++));
-			if (virqs[count] == NO_IRQ)
-				printk(KERN_ERR "Unable to allocate interrupt "
-				       "number for %s\n", np->full_name);
-			else
-				count++;
-
-		}
-	}
-	/* Else use normal interrupt tree parsing */
-	else {
-		/* First try to do a proper OF tree parsing */
-		for (index = 0; of_irq_map_one(np, index, &oirq) == 0;
-		     index++) {
-			if (count > 15)
-				break;
-			virqs[count] = irq_create_of_mapping(oirq.controller,
-							    oirq.specifier,
-							    oirq.size);
-			if (virqs[count] == NO_IRQ)
-				printk(KERN_ERR "Unable to allocate interrupt "
-				       "number for %s\n", np->full_name);
-			else
-				count++;
-		}
-	}
-
-	/* Now request them */
-	for (i = 0; i < count; i++) {
-		if (request_irq(virqs[i], handler, 0, name, NULL)) {
-			printk(KERN_ERR "Unable to request interrupt %d for "
-			       "%s\n", virqs[i], np->full_name);
-			return;
-		}
-	}
-}
-
 /*
  * Initialize handlers for the set of interrupts caused by hardware errors
  * and power system events.
@@ -138,14 +81,15 @@ static int __init init_ras_IRQ(void)
 	/* Internal Errors */
 	np = of_find_node_by_path("/event-sources/internal-errors");
 	if (np != NULL) {
-		request_ras_irqs(np, ras_error_interrupt, "RAS_ERROR");
+		request_event_sources_irqs(np, ras_error_interrupt,
+					   "RAS_ERROR");
 		of_node_put(np);
 	}
 
 	/* EPOW Events */
 	np = of_find_node_by_path("/event-sources/epow-events");
 	if (np != NULL) {
-		request_ras_irqs(np, ras_epow_interrupt, "RAS_EPOW");
+		request_event_sources_irqs(np, ras_epow_interrupt, "RAS_EPOW");
 		of_node_put(np);
 	}
 

From 40a5a4435f37b172dec09852ad2036865f9ca3c8 Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Sun, 18 Apr 2010 20:05:41 +0000
Subject: [PATCH 2464/3638] powerpc: Build-in e1000e for pseries &
 ppc64_defconfig

The e1000e device is becoming more common these days, so let's just
build it in for pseries & ppc64_defconfig.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/configs/ppc64_defconfig   | 2 +-
 arch/powerpc/configs/pseries_defconfig | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 12980d54465..dad617e2a88 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -988,7 +988,7 @@ CONFIG_ACENIC=m
 CONFIG_ACENIC_OMIT_TIGON_I=y
 # CONFIG_DL2K is not set
 CONFIG_E1000=y
-CONFIG_E1000E=m
+CONFIG_E1000E=y
 # CONFIG_IP1000 is not set
 # CONFIG_IGB is not set
 # CONFIG_NS83820 is not set
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 41de3ddc9f2..16a14589bd4 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -804,7 +804,7 @@ CONFIG_ACENIC=m
 CONFIG_ACENIC_OMIT_TIGON_I=y
 # CONFIG_DL2K is not set
 CONFIG_E1000=y
-CONFIG_E1000E=m
+CONFIG_E1000E=y
 # CONFIG_IP1000 is not set
 # CONFIG_IGB is not set
 # CONFIG_NS83820 is not set

From 99ec28f183daa450faa7bdad6f932364ae325648 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Sun, 9 May 2010 17:39:05 +0000
Subject: [PATCH 2465/3638] powerpc: Remove unused 'protect4gb' boot parameter

'protect4gb' boot parameter was introduced to avoid allocating dma
space acrossing 4GB boundary in 2007 (the commit
569975591c5530fdc9c7a3c45122e5e46f075a74).

In 2008, the IOMMU was fixed to use the boundary_mask parameter per
device properly. So 'protect4gb' workaround was removed (the
383af9525bb27f927511874f6306247ec13f1c28). But somehow I messed the
'protect4gb' boot parameter that was used to enable the
workaround.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/iommu.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index ec94f906ea4..d5839179ec7 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -43,20 +43,9 @@
 #define DBG(...)
 
 static int novmerge;
-static int protect4gb = 1;
 
 static void __iommu_free(struct iommu_table *, dma_addr_t, unsigned int);
 
-static int __init setup_protect4gb(char *str)
-{
-	if (strcmp(str, "on") == 0)
-		protect4gb = 1;
-	else if (strcmp(str, "off") == 0)
-		protect4gb = 0;
-
-	return 1;
-}
-
 static int __init setup_iommu(char *str)
 {
 	if (!strcmp(str, "novmerge"))
@@ -66,7 +55,6 @@ static int __init setup_iommu(char *str)
 	return 1;
 }
 
-__setup("protect4gb=", setup_protect4gb);
 __setup("iommu=", setup_iommu);
 
 static unsigned long iommu_range_alloc(struct device *dev,

From b7e2ecef92d2e7785e6d76b41e5ba8bcbc45259d Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 19 May 2010 10:52:27 +0200
Subject: [PATCH 2466/3638] perf, trace: Optimize tracepoints by removing
 IRQ-disable from perf/tracepoint interaction

Improves performance.

Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1274259525.5605.10352.camel@twins>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace_event.h    |  9 ++--
 include/trace/ftrace.h          | 17 +++-----
 kernel/trace/trace_event_perf.c | 75 +++++++++++++--------------------
 kernel/trace/trace_kprobe.c     | 10 ++---
 kernel/trace/trace_syscalls.c   | 10 ++---
 5 files changed, 48 insertions(+), 73 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index a9775dd7f7f..126071bc90a 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -197,20 +197,17 @@ extern void perf_trace_disable(int event_id);
 extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
 				     char *filter_str);
 extern void ftrace_profile_free_filter(struct perf_event *event);
-extern void *
-perf_trace_buf_prepare(int size, unsigned short type, int *rctxp,
-			 unsigned long *irq_flags);
+extern void *perf_trace_buf_prepare(int size, unsigned short type,
+				    struct pt_regs *regs, int *rctxp);
 
 static inline void
 perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr,
-		       u64 count, unsigned long irq_flags, struct pt_regs *regs,
-		       void *event)
+		       u64 count, struct pt_regs *regs, void *event)
 {
 	struct trace_entry *entry = raw_data;
 
 	perf_tp_event(entry->type, addr, count, raw_data, size, regs, event);
 	perf_swevent_put_recursion_context(rctx);
-	local_irq_restore(irq_flags);
 }
 #endif
 
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 1016b216293..f282885057d 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -768,7 +768,6 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
 	struct ftrace_raw_##call *entry;				\
 	u64 __addr = 0, __count = 1;					\
-	unsigned long irq_flags;					\
 	int __entry_size;						\
 	int __data_size;						\
 	int rctx;							\
@@ -781,17 +780,18 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 	if (WARN_ONCE(__entry_size > PERF_MAX_TRACE_SIZE,		\
 		      "profile buffer not large enough"))		\
 		return;							\
+									\
 	entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare(	\
-		__entry_size, event_call->id, &rctx, &irq_flags);	\
+		__entry_size, event_call->id, __regs, &rctx);		\
 	if (!entry)							\
 		return;							\
+									\
 	tstruct								\
 									\
 	{ assign; }							\
 									\
 	perf_trace_buf_submit(entry, __entry_size, rctx, __addr,	\
-			       __count, irq_flags, __regs, 		\
-			      event_call->perf_data);			\
+			       __count, __regs, event_call->perf_data);	\
 }
 
 #undef DEFINE_EVENT
@@ -799,13 +799,10 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 static notrace void perf_trace_##call(proto)				\
 {									\
 	struct ftrace_event_call *event_call = &event_##call;		\
-	struct pt_regs *__regs = &get_cpu_var(perf_trace_regs);		\
+	struct pt_regs __regs;						\
 									\
-	perf_fetch_caller_regs(__regs, 1);				\
-									\
-	perf_trace_templ_##template(event_call, __regs, args);		\
-									\
-	put_cpu_var(perf_trace_regs);					\
+	perf_fetch_caller_regs(&__regs, 1);				\
+	perf_trace_templ_##template(event_call, &__regs, args);		\
 }
 
 #undef DEFINE_EVENT_PRINT
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 89b780a7c52..a1304f8c444 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -9,13 +9,9 @@
 #include <linux/kprobes.h>
 #include "trace.h"
 
-DEFINE_PER_CPU(struct pt_regs, perf_trace_regs);
-EXPORT_PER_CPU_SYMBOL_GPL(perf_trace_regs);
-
 EXPORT_SYMBOL_GPL(perf_arch_fetch_caller_regs);
 
-static char *perf_trace_buf;
-static char *perf_trace_buf_nmi;
+static char *perf_trace_buf[4];
 
 /*
  * Force it to be aligned to unsigned long to avoid misaligned accesses
@@ -29,7 +25,6 @@ static int	total_ref_count;
 
 static int perf_trace_event_enable(struct ftrace_event_call *event, void *data)
 {
-	char *buf;
 	int ret = -ENOMEM;
 
 	if (event->perf_refcount++ > 0) {
@@ -38,17 +33,16 @@ static int perf_trace_event_enable(struct ftrace_event_call *event, void *data)
 	}
 
 	if (!total_ref_count) {
-		buf = (char *)alloc_percpu(perf_trace_t);
-		if (!buf)
-			goto fail_buf;
+		char *buf;
+		int i;
 
-		rcu_assign_pointer(perf_trace_buf, buf);
+		for (i = 0; i < 4; i++) {
+			buf = (char *)alloc_percpu(perf_trace_t);
+			if (!buf)
+				goto fail_buf;
 
-		buf = (char *)alloc_percpu(perf_trace_t);
-		if (!buf)
-			goto fail_buf_nmi;
-
-		rcu_assign_pointer(perf_trace_buf_nmi, buf);
+			rcu_assign_pointer(perf_trace_buf[i], buf);
+		}
 	}
 
 	ret = event->perf_event_enable(event);
@@ -58,14 +52,15 @@ static int perf_trace_event_enable(struct ftrace_event_call *event, void *data)
 		return 0;
 	}
 
-fail_buf_nmi:
-	if (!total_ref_count) {
-		free_percpu(perf_trace_buf_nmi);
-		free_percpu(perf_trace_buf);
-		perf_trace_buf_nmi = NULL;
-		perf_trace_buf = NULL;
-	}
 fail_buf:
+	if (!total_ref_count) {
+		int i;
+
+		for (i = 0; i < 4; i++) {
+			free_percpu(perf_trace_buf[i]);
+			perf_trace_buf[i] = NULL;
+		}
+	}
 	event->perf_refcount--;
 
 	return ret;
@@ -91,19 +86,19 @@ int perf_trace_enable(int event_id, void *data)
 
 static void perf_trace_event_disable(struct ftrace_event_call *event)
 {
-	char *buf, *nmi_buf;
-
 	if (--event->perf_refcount > 0)
 		return;
 
 	event->perf_event_disable(event);
 
 	if (!--total_ref_count) {
-		buf = perf_trace_buf;
-		rcu_assign_pointer(perf_trace_buf, NULL);
+		char *buf[4];
+		int i;
 
-		nmi_buf = perf_trace_buf_nmi;
-		rcu_assign_pointer(perf_trace_buf_nmi, NULL);
+		for (i = 0; i < 4; i++) {
+			buf[i] = perf_trace_buf[i];
+			rcu_assign_pointer(perf_trace_buf[i], NULL);
+		}
 
 		/*
 		 * Ensure every events in profiling have finished before
@@ -111,8 +106,8 @@ static void perf_trace_event_disable(struct ftrace_event_call *event)
 		 */
 		synchronize_sched();
 
-		free_percpu(buf);
-		free_percpu(nmi_buf);
+		for (i = 0; i < 4; i++)
+			free_percpu(buf[i]);
 	}
 }
 
@@ -132,47 +127,37 @@ void perf_trace_disable(int event_id)
 }
 
 __kprobes void *perf_trace_buf_prepare(int size, unsigned short type,
-				       int *rctxp, unsigned long *irq_flags)
+				       struct pt_regs *regs, int *rctxp)
 {
 	struct trace_entry *entry;
 	char *trace_buf, *raw_data;
-	int pc, cpu;
+	int pc;
 
 	BUILD_BUG_ON(PERF_MAX_TRACE_SIZE % sizeof(unsigned long));
 
 	pc = preempt_count();
 
-	/* Protect the per cpu buffer, begin the rcu read side */
-	local_irq_save(*irq_flags);
-
 	*rctxp = perf_swevent_get_recursion_context();
 	if (*rctxp < 0)
 		goto err_recursion;
 
-	cpu = smp_processor_id();
-
-	if (in_nmi())
-		trace_buf = rcu_dereference_sched(perf_trace_buf_nmi);
-	else
-		trace_buf = rcu_dereference_sched(perf_trace_buf);
-
+	trace_buf = rcu_dereference_sched(perf_trace_buf[*rctxp]);
 	if (!trace_buf)
 		goto err;
 
-	raw_data = per_cpu_ptr(trace_buf, cpu);
+	raw_data = per_cpu_ptr(trace_buf, smp_processor_id());
 
 	/* zero the dead bytes from align to not leak stack to user */
 	memset(&raw_data[size - sizeof(u64)], 0, sizeof(u64));
 
 	entry = (struct trace_entry *)raw_data;
-	tracing_generic_entry_update(entry, *irq_flags, pc);
+	tracing_generic_entry_update(entry, regs->flags, pc);
 	entry->type = type;
 
 	return raw_data;
 err:
 	perf_swevent_put_recursion_context(*rctxp);
 err_recursion:
-	local_irq_restore(*irq_flags);
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(perf_trace_buf_prepare);
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 2d7bf4146be..20c96de0aea 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1343,7 +1343,6 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
 	struct kprobe_trace_entry_head *entry;
 	u8 *data;
 	int size, __size, i;
-	unsigned long irq_flags;
 	int rctx;
 
 	__size = sizeof(*entry) + tp->size;
@@ -1353,7 +1352,7 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
 		     "profile buffer not large enough"))
 		return;
 
-	entry = perf_trace_buf_prepare(size, call->id, &rctx, &irq_flags);
+	entry = perf_trace_buf_prepare(size, call->id, regs, &rctx);
 	if (!entry)
 		return;
 
@@ -1362,7 +1361,7 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
 	for (i = 0; i < tp->nr_args; i++)
 		call_fetch(&tp->args[i].fetch, regs, data + tp->args[i].offset);
 
-	perf_trace_buf_submit(entry, size, rctx, entry->ip, 1, irq_flags, regs, call->perf_data);
+	perf_trace_buf_submit(entry, size, rctx, entry->ip, 1, regs, call->perf_data);
 }
 
 /* Kretprobe profile handler */
@@ -1374,7 +1373,6 @@ static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
 	struct kretprobe_trace_entry_head *entry;
 	u8 *data;
 	int size, __size, i;
-	unsigned long irq_flags;
 	int rctx;
 
 	__size = sizeof(*entry) + tp->size;
@@ -1384,7 +1382,7 @@ static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
 		     "profile buffer not large enough"))
 		return;
 
-	entry = perf_trace_buf_prepare(size, call->id, &rctx, &irq_flags);
+	entry = perf_trace_buf_prepare(size, call->id, regs, &rctx);
 	if (!entry)
 		return;
 
@@ -1395,7 +1393,7 @@ static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
 		call_fetch(&tp->args[i].fetch, regs, data + tp->args[i].offset);
 
 	perf_trace_buf_submit(entry, size, rctx, entry->ret_ip, 1,
-			       irq_flags, regs, call->perf_data);
+			      regs, call->perf_data);
 }
 
 static int probe_perf_enable(struct ftrace_event_call *call)
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 9eff1a4b49b..a657cefbb13 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -438,7 +438,6 @@ static void perf_syscall_enter(struct pt_regs *regs, long id)
 {
 	struct syscall_metadata *sys_data;
 	struct syscall_trace_enter *rec;
-	unsigned long flags;
 	int syscall_nr;
 	int rctx;
 	int size;
@@ -461,14 +460,14 @@ static void perf_syscall_enter(struct pt_regs *regs, long id)
 		return;
 
 	rec = (struct syscall_trace_enter *)perf_trace_buf_prepare(size,
-				sys_data->enter_event->id, &rctx, &flags);
+				sys_data->enter_event->id, regs, &rctx);
 	if (!rec)
 		return;
 
 	rec->nr = syscall_nr;
 	syscall_get_arguments(current, regs, 0, sys_data->nb_args,
 			       (unsigned long *)&rec->args);
-	perf_trace_buf_submit(rec, size, rctx, 0, 1, flags, regs,
+	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs,
 			sys_data->enter_event->perf_data);
 }
 
@@ -511,7 +510,6 @@ static void perf_syscall_exit(struct pt_regs *regs, long ret)
 {
 	struct syscall_metadata *sys_data;
 	struct syscall_trace_exit *rec;
-	unsigned long flags;
 	int syscall_nr;
 	int rctx;
 	int size;
@@ -537,14 +535,14 @@ static void perf_syscall_exit(struct pt_regs *regs, long ret)
 		return;
 
 	rec = (struct syscall_trace_exit *)perf_trace_buf_prepare(size,
-				sys_data->exit_event->id, &rctx, &flags);
+				sys_data->exit_event->id, regs, &rctx);
 	if (!rec)
 		return;
 
 	rec->nr = syscall_nr;
 	rec->ret = syscall_get_return_value(current, regs);
 
-	perf_trace_buf_submit(rec, size, rctx, 0, 1, flags, regs,
+	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs,
 			sys_data->exit_event->perf_data);
 }
 

From 1c024eca51fdc965290acf342ae16a476c2189d0 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 19 May 2010 14:02:22 +0200
Subject: [PATCH 2467/3638] perf, trace: Optimize tracepoints by using
 per-tracepoint-per-cpu hlist to track events

Avoid the swevent hash-table by using per-tracepoint
hlists.

Also, avoid conditionals on the fast path by ordering
with probe unregister so that we should never get on
the callback path without the data being there.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.473188012@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace_event.h    |  16 ++--
 include/linux/perf_event.h      |   6 +-
 include/trace/ftrace.h          |   4 +-
 kernel/perf_event.c             | 102 ++++++++++++-------------
 kernel/trace/trace_event_perf.c | 129 +++++++++++++++++---------------
 kernel/trace/trace_kprobe.c     |   9 ++-
 kernel/trace/trace_syscalls.c   |  11 ++-
 7 files changed, 148 insertions(+), 129 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 126071bc90a..7024b7d1126 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -133,7 +133,7 @@ struct ftrace_event_call {
 	void			*data;
 
 	int			perf_refcount;
-	void			*perf_data;
+	struct hlist_head	*perf_events;
 	int			(*perf_event_enable)(struct ftrace_event_call *);
 	void			(*perf_event_disable)(struct ftrace_event_call *);
 };
@@ -192,9 +192,11 @@ struct perf_event;
 
 DECLARE_PER_CPU(struct pt_regs, perf_trace_regs);
 
-extern int perf_trace_enable(int event_id, void *data);
-extern void perf_trace_disable(int event_id);
-extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
+extern int  perf_trace_init(struct perf_event *event);
+extern void perf_trace_destroy(struct perf_event *event);
+extern int  perf_trace_enable(struct perf_event *event);
+extern void perf_trace_disable(struct perf_event *event);
+extern int  ftrace_profile_set_filter(struct perf_event *event, int event_id,
 				     char *filter_str);
 extern void ftrace_profile_free_filter(struct perf_event *event);
 extern void *perf_trace_buf_prepare(int size, unsigned short type,
@@ -202,11 +204,9 @@ extern void *perf_trace_buf_prepare(int size, unsigned short type,
 
 static inline void
 perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr,
-		       u64 count, struct pt_regs *regs, void *event)
+		       u64 count, struct pt_regs *regs, void *head)
 {
-	struct trace_entry *entry = raw_data;
-
-	perf_tp_event(entry->type, addr, count, raw_data, size, regs, event);
+	perf_tp_event(addr, count, raw_data, size, regs, head);
 	perf_swevent_put_recursion_context(rctx);
 }
 #endif
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index fe50347dc64..7cd7b356447 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -727,6 +727,7 @@ struct perf_event {
 	perf_overflow_handler_t		overflow_handler;
 
 #ifdef CONFIG_EVENT_TRACING
+	struct ftrace_event_call	*tp_event;
 	struct event_filter		*filter;
 #endif
 
@@ -992,8 +993,9 @@ static inline bool perf_paranoid_kernel(void)
 }
 
 extern void perf_event_init(void);
-extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
-			  int entry_size, struct pt_regs *regs, void *event);
+extern void perf_tp_event(u64 addr, u64 count, void *record,
+			  int entry_size, struct pt_regs *regs,
+			  struct hlist_head *head);
 extern void perf_bp_event(struct perf_event *event, void *data);
 
 #ifndef perf_misc_flags
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index f282885057d..4eb2148f132 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -768,6 +768,7 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
 	struct ftrace_raw_##call *entry;				\
 	u64 __addr = 0, __count = 1;					\
+	struct hlist_head *head;					\
 	int __entry_size;						\
 	int __data_size;						\
 	int rctx;							\
@@ -790,8 +791,9 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 									\
 	{ assign; }							\
 									\
+	head = per_cpu_ptr(event_call->perf_events, smp_processor_id());\
 	perf_trace_buf_submit(entry, __entry_size, rctx, __addr,	\
-			       __count, __regs, event_call->perf_data);	\
+		__count, __regs, head);					\
 }
 
 #undef DEFINE_EVENT
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 45b7aec5545..3f2cc313ee2 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4005,9 +4005,6 @@ static void perf_swevent_add(struct perf_event *event, u64 nr,
 	perf_swevent_overflow(event, 0, nmi, data, regs);
 }
 
-static int perf_tp_event_match(struct perf_event *event,
-				struct perf_sample_data *data);
-
 static int perf_exclude_event(struct perf_event *event,
 			      struct pt_regs *regs)
 {
@@ -4037,10 +4034,6 @@ static int perf_swevent_match(struct perf_event *event,
 	if (perf_exclude_event(event, regs))
 		return 0;
 
-	if (event->attr.type == PERF_TYPE_TRACEPOINT &&
-	    !perf_tp_event_match(event, data))
-		return 0;
-
 	return 1;
 }
 
@@ -4122,7 +4115,7 @@ end:
 
 int perf_swevent_get_recursion_context(void)
 {
-	struct perf_cpu_context *cpuctx = &get_cpu_var(perf_cpu_context);
+	struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
 	int rctx;
 
 	if (in_nmi())
@@ -4134,10 +4127,8 @@ int perf_swevent_get_recursion_context(void)
 	else
 		rctx = 0;
 
-	if (cpuctx->recursion[rctx]) {
-		put_cpu_var(perf_cpu_context);
+	if (cpuctx->recursion[rctx])
 		return -1;
-	}
 
 	cpuctx->recursion[rctx]++;
 	barrier();
@@ -4151,7 +4142,6 @@ void perf_swevent_put_recursion_context(int rctx)
 	struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
 	barrier();
 	cpuctx->recursion[rctx]--;
-	put_cpu_var(perf_cpu_context);
 }
 EXPORT_SYMBOL_GPL(perf_swevent_put_recursion_context);
 
@@ -4162,6 +4152,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
 	struct perf_sample_data data;
 	int rctx;
 
+	preempt_disable_notrace();
 	rctx = perf_swevent_get_recursion_context();
 	if (rctx < 0)
 		return;
@@ -4171,6 +4162,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
 	do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
 
 	perf_swevent_put_recursion_context(rctx);
+	preempt_enable_notrace();
 }
 
 static void perf_swevent_read(struct perf_event *event)
@@ -4486,30 +4478,14 @@ static int swevent_hlist_get(struct perf_event *event)
 
 #ifdef CONFIG_EVENT_TRACING
 
-void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
-		   int entry_size, struct pt_regs *regs, void *event)
-{
-	const int type = PERF_TYPE_TRACEPOINT;
-	struct perf_sample_data data;
-	struct perf_raw_record raw = {
-		.size = entry_size,
-		.data = record,
-	};
+static const struct pmu perf_ops_tracepoint = {
+	.enable		= perf_trace_enable,
+	.disable	= perf_trace_disable,
+	.read		= perf_swevent_read,
+	.unthrottle	= perf_swevent_unthrottle,
+};
 
-	perf_sample_data_init(&data, addr);
-	data.raw = &raw;
-
-	if (!event) {
-		do_perf_sw_event(type, event_id, count, 1, &data, regs);
-		return;
-	}
-
-	if (perf_swevent_match(event, type, event_id, &data, regs))
-		perf_swevent_add(event, count, 1, &data, regs);
-}
-EXPORT_SYMBOL_GPL(perf_tp_event);
-
-static int perf_tp_event_match(struct perf_event *event,
+static int perf_tp_filter_match(struct perf_event *event,
 				struct perf_sample_data *data)
 {
 	void *record = data->raw->data;
@@ -4519,10 +4495,46 @@ static int perf_tp_event_match(struct perf_event *event,
 	return 0;
 }
 
+static int perf_tp_event_match(struct perf_event *event,
+				struct perf_sample_data *data,
+				struct pt_regs *regs)
+{
+	if (perf_exclude_event(event, regs))
+		return 0;
+
+	if (!perf_tp_filter_match(event, data))
+		return 0;
+
+	return 1;
+}
+
+void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
+		   struct pt_regs *regs, struct hlist_head *head)
+{
+	struct perf_sample_data data;
+	struct perf_event *event;
+	struct hlist_node *node;
+
+	struct perf_raw_record raw = {
+		.size = entry_size,
+		.data = record,
+	};
+
+	perf_sample_data_init(&data, addr);
+	data.raw = &raw;
+
+	rcu_read_lock();
+	hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
+		if (perf_tp_event_match(event, &data, regs))
+			perf_swevent_add(event, count, 1, &data, regs);
+	}
+	rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(perf_tp_event);
+
 static void tp_perf_event_destroy(struct perf_event *event)
 {
-	perf_trace_disable(event->attr.config);
-	swevent_hlist_put(event);
+	perf_trace_destroy(event);
 }
 
 static const struct pmu *tp_perf_event_init(struct perf_event *event)
@@ -4538,17 +4550,13 @@ static const struct pmu *tp_perf_event_init(struct perf_event *event)
 			!capable(CAP_SYS_ADMIN))
 		return ERR_PTR(-EPERM);
 
-	if (perf_trace_enable(event->attr.config, event))
+	err = perf_trace_init(event);
+	if (err)
 		return NULL;
 
 	event->destroy = tp_perf_event_destroy;
-	err = swevent_hlist_get(event);
-	if (err) {
-		perf_trace_disable(event->attr.config);
-		return ERR_PTR(err);
-	}
 
-	return &perf_ops_generic;
+	return &perf_ops_tracepoint;
 }
 
 static int perf_event_set_filter(struct perf_event *event, void __user *arg)
@@ -4576,12 +4584,6 @@ static void perf_event_free_filter(struct perf_event *event)
 
 #else
 
-static int perf_tp_event_match(struct perf_event *event,
-				struct perf_sample_data *data)
-{
-	return 1;
-}
-
 static const struct pmu *tp_perf_event_init(struct perf_event *event)
 {
 	return NULL;
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index a1304f8c444..39d5ea7b065 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -23,14 +23,25 @@ typedef typeof(unsigned long [PERF_MAX_TRACE_SIZE / sizeof(unsigned long)])
 /* Count the events in use (per event id, not per instance) */
 static int	total_ref_count;
 
-static int perf_trace_event_enable(struct ftrace_event_call *event, void *data)
+static int perf_trace_event_init(struct ftrace_event_call *tp_event,
+				 struct perf_event *p_event)
 {
+	struct hlist_head *list;
 	int ret = -ENOMEM;
+	int cpu;
 
-	if (event->perf_refcount++ > 0) {
-		event->perf_data = NULL;
+	p_event->tp_event = tp_event;
+	if (tp_event->perf_refcount++ > 0)
 		return 0;
-	}
+
+	list = alloc_percpu(struct hlist_head);
+	if (!list)
+		goto fail;
+
+	for_each_possible_cpu(cpu)
+		INIT_HLIST_HEAD(per_cpu_ptr(list, cpu));
+
+	tp_event->perf_events = list;
 
 	if (!total_ref_count) {
 		char *buf;
@@ -39,20 +50,20 @@ static int perf_trace_event_enable(struct ftrace_event_call *event, void *data)
 		for (i = 0; i < 4; i++) {
 			buf = (char *)alloc_percpu(perf_trace_t);
 			if (!buf)
-				goto fail_buf;
+				goto fail;
 
-			rcu_assign_pointer(perf_trace_buf[i], buf);
+			perf_trace_buf[i] = buf;
 		}
 	}
 
-	ret = event->perf_event_enable(event);
-	if (!ret) {
-		event->perf_data = data;
-		total_ref_count++;
-		return 0;
-	}
+	ret = tp_event->perf_event_enable(tp_event);
+	if (ret)
+		goto fail;
 
-fail_buf:
+	total_ref_count++;
+	return 0;
+
+fail:
 	if (!total_ref_count) {
 		int i;
 
@@ -61,21 +72,26 @@ fail_buf:
 			perf_trace_buf[i] = NULL;
 		}
 	}
-	event->perf_refcount--;
+
+	if (!--tp_event->perf_refcount) {
+		free_percpu(tp_event->perf_events);
+		tp_event->perf_events = NULL;
+	}
 
 	return ret;
 }
 
-int perf_trace_enable(int event_id, void *data)
+int perf_trace_init(struct perf_event *p_event)
 {
-	struct ftrace_event_call *event;
+	struct ftrace_event_call *tp_event;
+	int event_id = p_event->attr.config;
 	int ret = -EINVAL;
 
 	mutex_lock(&event_mutex);
-	list_for_each_entry(event, &ftrace_events, list) {
-		if (event->id == event_id && event->perf_event_enable &&
-		    try_module_get(event->mod)) {
-			ret = perf_trace_event_enable(event, data);
+	list_for_each_entry(tp_event, &ftrace_events, list) {
+		if (tp_event->id == event_id && tp_event->perf_event_enable &&
+		    try_module_get(tp_event->mod)) {
+			ret = perf_trace_event_init(tp_event, p_event);
 			break;
 		}
 	}
@@ -84,53 +100,52 @@ int perf_trace_enable(int event_id, void *data)
 	return ret;
 }
 
-static void perf_trace_event_disable(struct ftrace_event_call *event)
+int perf_trace_enable(struct perf_event *p_event)
 {
-	if (--event->perf_refcount > 0)
-		return;
+	struct ftrace_event_call *tp_event = p_event->tp_event;
+	struct hlist_head *list;
 
-	event->perf_event_disable(event);
+	list = tp_event->perf_events;
+	if (WARN_ON_ONCE(!list))
+		return -EINVAL;
 
-	if (!--total_ref_count) {
-		char *buf[4];
-		int i;
+	list = per_cpu_ptr(list, smp_processor_id());
+	hlist_add_head_rcu(&p_event->hlist_entry, list);
 
-		for (i = 0; i < 4; i++) {
-			buf[i] = perf_trace_buf[i];
-			rcu_assign_pointer(perf_trace_buf[i], NULL);
-		}
-
-		/*
-		 * Ensure every events in profiling have finished before
-		 * releasing the buffers
-		 */
-		synchronize_sched();
-
-		for (i = 0; i < 4; i++)
-			free_percpu(buf[i]);
-	}
+	return 0;
 }
 
-void perf_trace_disable(int event_id)
+void perf_trace_disable(struct perf_event *p_event)
 {
-	struct ftrace_event_call *event;
+	hlist_del_rcu(&p_event->hlist_entry);
+}
 
-	mutex_lock(&event_mutex);
-	list_for_each_entry(event, &ftrace_events, list) {
-		if (event->id == event_id) {
-			perf_trace_event_disable(event);
-			module_put(event->mod);
-			break;
+void perf_trace_destroy(struct perf_event *p_event)
+{
+	struct ftrace_event_call *tp_event = p_event->tp_event;
+	int i;
+
+	if (--tp_event->perf_refcount > 0)
+		return;
+
+	tp_event->perf_event_disable(tp_event);
+
+	free_percpu(tp_event->perf_events);
+	tp_event->perf_events = NULL;
+
+	if (!--total_ref_count) {
+		for (i = 0; i < 4; i++) {
+			free_percpu(perf_trace_buf[i]);
+			perf_trace_buf[i] = NULL;
 		}
 	}
-	mutex_unlock(&event_mutex);
 }
 
 __kprobes void *perf_trace_buf_prepare(int size, unsigned short type,
 				       struct pt_regs *regs, int *rctxp)
 {
 	struct trace_entry *entry;
-	char *trace_buf, *raw_data;
+	char *raw_data;
 	int pc;
 
 	BUILD_BUG_ON(PERF_MAX_TRACE_SIZE % sizeof(unsigned long));
@@ -139,13 +154,9 @@ __kprobes void *perf_trace_buf_prepare(int size, unsigned short type,
 
 	*rctxp = perf_swevent_get_recursion_context();
 	if (*rctxp < 0)
-		goto err_recursion;
+		return NULL;
 
-	trace_buf = rcu_dereference_sched(perf_trace_buf[*rctxp]);
-	if (!trace_buf)
-		goto err;
-
-	raw_data = per_cpu_ptr(trace_buf, smp_processor_id());
+	raw_data = per_cpu_ptr(perf_trace_buf[*rctxp], smp_processor_id());
 
 	/* zero the dead bytes from align to not leak stack to user */
 	memset(&raw_data[size - sizeof(u64)], 0, sizeof(u64));
@@ -155,9 +166,5 @@ __kprobes void *perf_trace_buf_prepare(int size, unsigned short type,
 	entry->type = type;
 
 	return raw_data;
-err:
-	perf_swevent_put_recursion_context(*rctxp);
-err_recursion:
-	return NULL;
 }
 EXPORT_SYMBOL_GPL(perf_trace_buf_prepare);
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 20c96de0aea..4681f60dac0 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1341,6 +1341,7 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
 	struct trace_probe *tp = container_of(kp, struct trace_probe, rp.kp);
 	struct ftrace_event_call *call = &tp->call;
 	struct kprobe_trace_entry_head *entry;
+	struct hlist_head *head;
 	u8 *data;
 	int size, __size, i;
 	int rctx;
@@ -1361,7 +1362,8 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
 	for (i = 0; i < tp->nr_args; i++)
 		call_fetch(&tp->args[i].fetch, regs, data + tp->args[i].offset);
 
-	perf_trace_buf_submit(entry, size, rctx, entry->ip, 1, regs, call->perf_data);
+	head = per_cpu_ptr(call->perf_events, smp_processor_id());
+	perf_trace_buf_submit(entry, size, rctx, entry->ip, 1, regs, head);
 }
 
 /* Kretprobe profile handler */
@@ -1371,6 +1373,7 @@ static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
 	struct trace_probe *tp = container_of(ri->rp, struct trace_probe, rp);
 	struct ftrace_event_call *call = &tp->call;
 	struct kretprobe_trace_entry_head *entry;
+	struct hlist_head *head;
 	u8 *data;
 	int size, __size, i;
 	int rctx;
@@ -1392,8 +1395,8 @@ static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
 	for (i = 0; i < tp->nr_args; i++)
 		call_fetch(&tp->args[i].fetch, regs, data + tp->args[i].offset);
 
-	perf_trace_buf_submit(entry, size, rctx, entry->ret_ip, 1,
-			      regs, call->perf_data);
+	head = per_cpu_ptr(call->perf_events, smp_processor_id());
+	perf_trace_buf_submit(entry, size, rctx, entry->ret_ip, 1, regs, head);
 }
 
 static int probe_perf_enable(struct ftrace_event_call *call)
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index a657cefbb13..eb769f27029 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -438,6 +438,7 @@ static void perf_syscall_enter(struct pt_regs *regs, long id)
 {
 	struct syscall_metadata *sys_data;
 	struct syscall_trace_enter *rec;
+	struct hlist_head *head;
 	int syscall_nr;
 	int rctx;
 	int size;
@@ -467,8 +468,9 @@ static void perf_syscall_enter(struct pt_regs *regs, long id)
 	rec->nr = syscall_nr;
 	syscall_get_arguments(current, regs, 0, sys_data->nb_args,
 			       (unsigned long *)&rec->args);
-	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs,
-			sys_data->enter_event->perf_data);
+
+	head = per_cpu_ptr(sys_data->enter_event->perf_events, smp_processor_id());
+	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs, head);
 }
 
 int perf_sysenter_enable(struct ftrace_event_call *call)
@@ -510,6 +512,7 @@ static void perf_syscall_exit(struct pt_regs *regs, long ret)
 {
 	struct syscall_metadata *sys_data;
 	struct syscall_trace_exit *rec;
+	struct hlist_head *head;
 	int syscall_nr;
 	int rctx;
 	int size;
@@ -542,8 +545,8 @@ static void perf_syscall_exit(struct pt_regs *regs, long ret)
 	rec->nr = syscall_nr;
 	rec->ret = syscall_get_return_value(current, regs);
 
-	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs,
-			sys_data->exit_event->perf_data);
+	head = per_cpu_ptr(sys_data->exit_event->perf_events, smp_processor_id());
+	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs, head);
 }
 
 int perf_sysexit_enable(struct ftrace_event_call *call)

From 0f139300c9057c16b5833a4636b715b104fe0baa Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 20 May 2010 14:35:15 +0200
Subject: [PATCH 2468/3638] perf: Ensure that IOC_OUTPUT isn't used to create
 multi-writer buffers

Since we want to ensure buffers only have a single
writer, we must avoid creating one with multiple.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.528215873@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/perf_event.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 3f2cc313ee2..7a932526946 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4920,6 +4920,13 @@ static int perf_event_set_output(struct perf_event *event, int output_fd)
 	int fput_needed = 0;
 	int ret = -EINVAL;
 
+	/*
+	 * Don't allow output of inherited per-task events. This would
+	 * create performance issues due to cross cpu access.
+	 */
+	if (event->cpu == -1 && event->attr.inherit)
+		return -EINVAL;
+
 	if (!output_fd)
 		goto set;
 
@@ -4940,6 +4947,18 @@ static int perf_event_set_output(struct perf_event *event, int output_fd)
 	if (event->data)
 		goto out;
 
+	/*
+	 * Don't allow cross-cpu buffers
+	 */
+	if (output_event->cpu != event->cpu)
+		goto out;
+
+	/*
+	 * If its not a per-cpu buffer, it must be the same task.
+	 */
+	if (output_event->cpu == -1 && output_event->ctx != event->ctx)
+		goto out;
+
 	atomic_long_inc(&output_file->f_count);
 
 set:

From 57adc51dce9102b6641269dd04f5b99aac83b820 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 20 May 2010 14:39:55 +0200
Subject: [PATCH 2469/3638] perf-record: Remove -M

Since it is not allowed to create cross-cpu (or
cross-task) buffers, this option is no longer valid.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.582740993@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 tools/perf/builtin-record.c | 34 +++++++++++-----------------------
 1 file changed, 11 insertions(+), 23 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index e6722698183..94e210f8607 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -61,8 +61,6 @@ static bool			call_graph			=  false;
 static bool			inherit_stat			=  false;
 static bool			no_samples			=  false;
 static bool			sample_address			=  false;
-static bool			multiplex			=  false;
-static int			multiplex_fd			=     -1;
 
 static long			samples				=      0;
 static u64			bytes_written			=      0;
@@ -366,27 +364,19 @@ try_again:
 		 */
 		if (group && group_fd == -1)
 			group_fd = fd[nr_cpu][counter][thread_index];
-		if (multiplex && multiplex_fd == -1)
-			multiplex_fd = fd[nr_cpu][counter][thread_index];
 
-		if (multiplex && fd[nr_cpu][counter][thread_index] != multiplex_fd) {
+		event_array[nr_poll].fd = fd[nr_cpu][counter][thread_index];
+		event_array[nr_poll].events = POLLIN;
+		nr_poll++;
 
-			ret = ioctl(fd[nr_cpu][counter][thread_index], PERF_EVENT_IOC_SET_OUTPUT, multiplex_fd);
-			assert(ret != -1);
-		} else {
-			event_array[nr_poll].fd = fd[nr_cpu][counter][thread_index];
-			event_array[nr_poll].events = POLLIN;
-			nr_poll++;
-
-			mmap_array[nr_cpu][counter][thread_index].counter = counter;
-			mmap_array[nr_cpu][counter][thread_index].prev = 0;
-			mmap_array[nr_cpu][counter][thread_index].mask = mmap_pages*page_size - 1;
-			mmap_array[nr_cpu][counter][thread_index].base = mmap(NULL, (mmap_pages+1)*page_size,
-				PROT_READ|PROT_WRITE, MAP_SHARED, fd[nr_cpu][counter][thread_index], 0);
-			if (mmap_array[nr_cpu][counter][thread_index].base == MAP_FAILED) {
-				error("failed to mmap with %d (%s)\n", errno, strerror(errno));
-				exit(-1);
-			}
+		mmap_array[nr_cpu][counter][thread_index].counter = counter;
+		mmap_array[nr_cpu][counter][thread_index].prev = 0;
+		mmap_array[nr_cpu][counter][thread_index].mask = mmap_pages*page_size - 1;
+		mmap_array[nr_cpu][counter][thread_index].base = mmap(NULL, (mmap_pages+1)*page_size,
+			PROT_READ|PROT_WRITE, MAP_SHARED, fd[nr_cpu][counter][thread_index], 0);
+		if (mmap_array[nr_cpu][counter][thread_index].base == MAP_FAILED) {
+			error("failed to mmap with %d (%s)\n", errno, strerror(errno));
+			exit(-1);
 		}
 
 		if (filter != NULL) {
@@ -820,8 +810,6 @@ static const struct option options[] = {
 		    "Sample addresses"),
 	OPT_BOOLEAN('n', "no-samples", &no_samples,
 		    "don't sample"),
-	OPT_BOOLEAN('M', "multiplex", &multiplex,
-		    "multiplex counter output in a single channel"),
 	OPT_END()
 };
 

From 0e2e63dd608bf5844ffae7bf7d860de18a62724c Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 20 May 2010 14:45:26 +0200
Subject: [PATCH 2470/3638] perf-record: Share per-cpu buffers

It seems a waste of space to create a buffer per
event, share it per-cpu.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.634824884@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 tools/perf/builtin-record.c | 50 ++++++++++++++++++++-----------------
 1 file changed, 27 insertions(+), 23 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 94e210f8607..9bc89050e6f 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -82,7 +82,7 @@ struct mmap_data {
 	unsigned int		prev;
 };
 
-static struct mmap_data		*mmap_array[MAX_NR_CPUS][MAX_COUNTERS];
+static struct mmap_data		mmap_array[MAX_NR_CPUS];
 
 static unsigned long mmap_read_head(struct mmap_data *md)
 {
@@ -365,18 +365,29 @@ try_again:
 		if (group && group_fd == -1)
 			group_fd = fd[nr_cpu][counter][thread_index];
 
-		event_array[nr_poll].fd = fd[nr_cpu][counter][thread_index];
-		event_array[nr_poll].events = POLLIN;
-		nr_poll++;
+		if (counter || thread_index) {
+			ret = ioctl(fd[nr_cpu][counter][thread_index],
+					PERF_EVENT_IOC_SET_OUTPUT,
+					fd[nr_cpu][0][0]);
+			if (ret) {
+				error("failed to set output: %d (%s)\n", errno,
+						strerror(errno));
+				exit(-1);
+			}
+		} else {
+			mmap_array[nr_cpu].counter = counter;
+			mmap_array[nr_cpu].prev = 0;
+			mmap_array[nr_cpu].mask = mmap_pages*page_size - 1;
+			mmap_array[nr_cpu].base = mmap(NULL, (mmap_pages+1)*page_size,
+				PROT_READ|PROT_WRITE, MAP_SHARED, fd[nr_cpu][counter][thread_index], 0);
+			if (mmap_array[nr_cpu].base == MAP_FAILED) {
+				error("failed to mmap with %d (%s)\n", errno, strerror(errno));
+				exit(-1);
+			}
 
-		mmap_array[nr_cpu][counter][thread_index].counter = counter;
-		mmap_array[nr_cpu][counter][thread_index].prev = 0;
-		mmap_array[nr_cpu][counter][thread_index].mask = mmap_pages*page_size - 1;
-		mmap_array[nr_cpu][counter][thread_index].base = mmap(NULL, (mmap_pages+1)*page_size,
-			PROT_READ|PROT_WRITE, MAP_SHARED, fd[nr_cpu][counter][thread_index], 0);
-		if (mmap_array[nr_cpu][counter][thread_index].base == MAP_FAILED) {
-			error("failed to mmap with %d (%s)\n", errno, strerror(errno));
-			exit(-1);
+			event_array[nr_poll].fd = fd[nr_cpu][counter][thread_index];
+			event_array[nr_poll].events = POLLIN;
+			nr_poll++;
 		}
 
 		if (filter != NULL) {
@@ -477,16 +488,11 @@ static struct perf_event_header finished_round_event = {
 
 static void mmap_read_all(void)
 {
-	int i, counter, thread;
+	int i;
 
 	for (i = 0; i < nr_cpu; i++) {
-		for (counter = 0; counter < nr_counters; counter++) {
-			for (thread = 0; thread < thread_num; thread++) {
-				if (mmap_array[i][counter][thread].base)
-					mmap_read(&mmap_array[i][counter][thread]);
-			}
-
-		}
+		if (mmap_array[i].base)
+			mmap_read(&mmap_array[i]);
 	}
 
 	if (perf_header__has_feat(&session->header, HEADER_TRACE_INFO))
@@ -861,9 +867,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
 	for (i = 0; i < MAX_NR_CPUS; i++) {
 		for (j = 0; j < MAX_COUNTERS; j++) {
 			fd[i][j] = malloc(sizeof(int)*thread_num);
-			mmap_array[i][j] = zalloc(
-				sizeof(struct mmap_data)*thread_num);
-			if (!fd[i][j] || !mmap_array[i][j])
+			if (!fd[i][j])
 				return -ENOMEM;
 		}
 	}

From adb8e118f288dc4c569ac9a89010b81a4745fbf0 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 20 May 2010 16:21:55 +0200
Subject: [PATCH 2471/3638] perf: Fix wakeup storm for RO mmap()s

RO mmap()s don't update the tail pointer, so
comparing against it for determining the written data
size doesn't really do any good.

Keep track of when we last did a wakeup, and compare
against that.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.684479310@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/perf_event.h | 2 +-
 kernel/perf_event.c        | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 7cd7b356447..7098ebbb3b3 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -599,7 +599,7 @@ struct perf_mmap_data {
 	local_t				head;		/* write position    */
 	local_t				nest;		/* nested writers    */
 	local_t				events;		/* event limit       */
-	local_t				wakeup;		/* needs a wakeup    */
+	local_t				wakeup;		/* wakeup stamp      */
 	local_t				lost;		/* nr records lost   */
 
 	long				watermark;	/* wakeup watermark  */
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 7a932526946..1531e0b409a 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -3056,8 +3056,8 @@ int perf_output_begin(struct perf_output_handle *handle,
 	handle->offset	= offset;
 	handle->head	= head;
 
-	if (head - tail > data->watermark)
-		local_inc(&data->wakeup);
+	if (head - local_read(&data->wakeup) > data->watermark)
+		local_add(data->watermark, &data->wakeup);
 
 	if (have_lost) {
 		lost_event.header.type = PERF_RECORD_LOST;

From 5d967a8be636a4f301a8daad642bd1007299d9ec Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 20 May 2010 16:46:39 +0200
Subject: [PATCH 2472/3638] perf: Optimize perf_output_copy()

Reduce the clutter in perf_output_copy() by keeping
an interator in perf_output_handle.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.742809176@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/perf_event.h |  3 +++
 kernel/perf_event.c        | 54 ++++++++++++++++++--------------------
 2 files changed, 29 insertions(+), 28 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 7098ebbb3b3..7bd17f0488f 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -806,6 +806,9 @@ struct perf_output_handle {
 	unsigned long			head;
 	unsigned long			offset;
 	unsigned long			wakeup;
+	unsigned long			size;
+	void				*addr;
+	int				page;
 	int				nmi;
 	int				sample;
 };
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 1531e0b409a..b67549a0862 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2961,39 +2961,30 @@ again:
 void perf_output_copy(struct perf_output_handle *handle,
 		      const void *buf, unsigned int len)
 {
-	unsigned int pages_mask;
-	unsigned long offset;
-	unsigned int size;
-	void **pages;
-
-	offset		= handle->offset;
-	pages_mask	= handle->data->nr_pages - 1;
-	pages		= handle->data->data_pages;
-
-	do {
-		unsigned long page_offset;
-		unsigned long page_size;
-		int nr;
-
-		nr	    = (offset >> PAGE_SHIFT) & pages_mask;
-		page_size   = 1UL << (handle->data->data_order + PAGE_SHIFT);
-		page_offset = offset & (page_size - 1);
-		size	    = min_t(unsigned int, page_size - page_offset, len);
-
-		memcpy(pages[nr] + page_offset, buf, size);
-
-		len	    -= size;
-		buf	    += size;
-		offset	    += size;
-	} while (len);
-
-	handle->offset = offset;
+	handle->offset += len;
 
 	/*
 	 * Check we didn't copy past our reservation window, taking the
 	 * possible unsigned int wrap into account.
 	 */
-	WARN_ON_ONCE(((long)(handle->head - handle->offset)) < 0);
+	if (WARN_ON_ONCE(((long)(handle->head - handle->offset)) < 0))
+		return;
+
+	do {
+		unsigned long size = min(handle->size, len);
+
+		memcpy(handle->addr, buf, size);
+
+		len -= size;
+		handle->addr += size;
+		handle->size -= size;
+		if (!handle->size) {
+			handle->page++;
+			handle->page &= handle->data->nr_pages - 1;
+			handle->addr = handle->data->data_pages[handle->page];
+			handle->size = PAGE_SIZE << handle->data->data_order;
+		}
+	} while (len);
 }
 
 int perf_output_begin(struct perf_output_handle *handle,
@@ -3059,6 +3050,13 @@ int perf_output_begin(struct perf_output_handle *handle,
 	if (head - local_read(&data->wakeup) > data->watermark)
 		local_add(data->watermark, &data->wakeup);
 
+	handle->page = handle->offset >> (PAGE_SHIFT + data->data_order);
+	handle->page &= data->nr_pages - 1;
+	handle->size = handle->offset & ((PAGE_SIZE << data->data_order) - 1);
+	handle->addr = data->data_pages[handle->page];
+	handle->addr += handle->size;
+	handle->size = (PAGE_SIZE << data->data_order) - handle->size;
+
 	if (have_lost) {
 		lost_event.header.type = PERF_RECORD_LOST;
 		lost_event.header.misc = 0;

From 3cafa9fbb5c1d564b7b8e7224f493effbf04ffee Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 20 May 2010 19:07:56 +0200
Subject: [PATCH 2473/3638] perf: Optimize the !vmalloc backed buffer

Reduce code and data by using the knowledge that for
!PERF_USE_VMALLOC data_order is always 0.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.795019386@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/perf_event.h |  2 +-
 kernel/perf_event.c        | 41 ++++++++++++++++++++++++--------------
 2 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 7bd17f0488f..09cd9c1abfd 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -588,8 +588,8 @@ struct perf_mmap_data {
 	struct rcu_head			rcu_head;
 #ifdef CONFIG_PERF_USE_VMALLOC
 	struct work_struct		work;
+	int				page_order;	/* allocation order  */
 #endif
-	int				data_order;	/* allocation order  */
 	int				nr_pages;	/* nr of data pages  */
 	int				writable;	/* are we writable   */
 	int				nr_locked;	/* nr pages mlocked  */
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index b67549a0862..953ce46d7b2 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2297,11 +2297,6 @@ unlock:
 	rcu_read_unlock();
 }
 
-static unsigned long perf_data_size(struct perf_mmap_data *data)
-{
-	return data->nr_pages << (PAGE_SHIFT + data->data_order);
-}
-
 #ifndef CONFIG_PERF_USE_VMALLOC
 
 /*
@@ -2359,7 +2354,6 @@ perf_mmap_data_alloc(struct perf_event *event, int nr_pages)
 			goto fail_data_pages;
 	}
 
-	data->data_order = 0;
 	data->nr_pages = nr_pages;
 
 	return data;
@@ -2395,6 +2389,11 @@ static void perf_mmap_data_free(struct perf_mmap_data *data)
 	kfree(data);
 }
 
+static inline int page_order(struct perf_mmap_data *data)
+{
+	return 0;
+}
+
 #else
 
 /*
@@ -2403,10 +2402,15 @@ static void perf_mmap_data_free(struct perf_mmap_data *data)
  * Required for architectures that have d-cache aliasing issues.
  */
 
+static inline int page_order(struct perf_mmap_data *data)
+{
+	return data->page_order;
+}
+
 static struct page *
 perf_mmap_to_page(struct perf_mmap_data *data, unsigned long pgoff)
 {
-	if (pgoff > (1UL << data->data_order))
+	if (pgoff > (1UL << page_order(data)))
 		return NULL;
 
 	return vmalloc_to_page((void *)data->user_page + pgoff * PAGE_SIZE);
@@ -2426,7 +2430,7 @@ static void perf_mmap_data_free_work(struct work_struct *work)
 	int i, nr;
 
 	data = container_of(work, struct perf_mmap_data, work);
-	nr = 1 << data->data_order;
+	nr = 1 << page_order(data);
 
 	base = data->user_page;
 	for (i = 0; i < nr + 1; i++)
@@ -2465,7 +2469,7 @@ perf_mmap_data_alloc(struct perf_event *event, int nr_pages)
 
 	data->user_page = all_buf;
 	data->data_pages[0] = all_buf + PAGE_SIZE;
-	data->data_order = ilog2(nr_pages);
+	data->page_order = ilog2(nr_pages);
 	data->nr_pages = 1;
 
 	return data;
@@ -2479,6 +2483,11 @@ fail:
 
 #endif
 
+static unsigned long perf_data_size(struct perf_mmap_data *data)
+{
+	return data->nr_pages << (PAGE_SHIFT + page_order(data));
+}
+
 static int perf_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct perf_event *event = vma->vm_file->private_data;
@@ -2979,10 +2988,12 @@ void perf_output_copy(struct perf_output_handle *handle,
 		handle->addr += size;
 		handle->size -= size;
 		if (!handle->size) {
+			struct perf_mmap_data *data = handle->data;
+
 			handle->page++;
-			handle->page &= handle->data->nr_pages - 1;
-			handle->addr = handle->data->data_pages[handle->page];
-			handle->size = PAGE_SIZE << handle->data->data_order;
+			handle->page &= data->nr_pages - 1;
+			handle->addr = data->data_pages[handle->page];
+			handle->size = PAGE_SIZE << page_order(data);
 		}
 	} while (len);
 }
@@ -3050,12 +3061,12 @@ int perf_output_begin(struct perf_output_handle *handle,
 	if (head - local_read(&data->wakeup) > data->watermark)
 		local_add(data->watermark, &data->wakeup);
 
-	handle->page = handle->offset >> (PAGE_SHIFT + data->data_order);
+	handle->page = handle->offset >> (PAGE_SHIFT + page_order(data));
 	handle->page &= data->nr_pages - 1;
-	handle->size = handle->offset & ((PAGE_SIZE << data->data_order) - 1);
+	handle->size = handle->offset & ((PAGE_SIZE << page_order(data)) - 1);
 	handle->addr = data->data_pages[handle->page];
 	handle->addr += handle->size;
-	handle->size = (PAGE_SIZE << data->data_order) - handle->size;
+	handle->size = (PAGE_SIZE << page_order(data)) - handle->size;
 
 	if (have_lost) {
 		lost_event.header.type = PERF_RECORD_LOST;

From a94ffaaf55552769af328eaca9260fe6291c66c7 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 20 May 2010 19:50:07 +0200
Subject: [PATCH 2474/3638] perf: Remove more code from the fastpath

Sanity checks cost instructions.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.852926930@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/perf_event.h |  2 --
 kernel/perf_event.c        | 20 ++++----------------
 2 files changed, 4 insertions(+), 18 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 09cd9c1abfd..fb6c91eac7e 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -803,8 +803,6 @@ struct perf_cpu_context {
 struct perf_output_handle {
 	struct perf_event		*event;
 	struct perf_mmap_data		*data;
-	unsigned long			head;
-	unsigned long			offset;
 	unsigned long			wakeup;
 	unsigned long			size;
 	void				*addr;
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 953ce46d7b2..d25c864cadb 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2967,20 +2967,11 @@ again:
 	preempt_enable();
 }
 
-void perf_output_copy(struct perf_output_handle *handle,
+__always_inline void perf_output_copy(struct perf_output_handle *handle,
 		      const void *buf, unsigned int len)
 {
-	handle->offset += len;
-
-	/*
-	 * Check we didn't copy past our reservation window, taking the
-	 * possible unsigned int wrap into account.
-	 */
-	if (WARN_ON_ONCE(((long)(handle->head - handle->offset)) < 0))
-		return;
-
 	do {
-		unsigned long size = min(handle->size, len);
+		unsigned long size = min_t(unsigned long, handle->size, len);
 
 		memcpy(handle->addr, buf, size);
 
@@ -3055,15 +3046,12 @@ int perf_output_begin(struct perf_output_handle *handle,
 			goto fail;
 	} while (local_cmpxchg(&data->head, offset, head) != offset);
 
-	handle->offset	= offset;
-	handle->head	= head;
-
 	if (head - local_read(&data->wakeup) > data->watermark)
 		local_add(data->watermark, &data->wakeup);
 
-	handle->page = handle->offset >> (PAGE_SHIFT + page_order(data));
+	handle->page = offset >> (PAGE_SHIFT + page_order(data));
 	handle->page &= data->nr_pages - 1;
-	handle->size = handle->offset & ((PAGE_SIZE << page_order(data)) - 1);
+	handle->size = offset & ((PAGE_SIZE << page_order(data)) - 1);
 	handle->addr = data->data_pages[handle->page];
 	handle->addr += handle->size;
 	handle->size = (PAGE_SIZE << page_order(data)) - handle->size;

From 580d607cd666dfabfc1c7b0fb08c8ac690c7c87f Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 20 May 2010 20:54:31 +0200
Subject: [PATCH 2475/3638] perf: Optimize perf_tp_event_match()

Since we know tracepoints come from kernel context,
avoid conditionals that try and establish that very
fact.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.904944001@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/perf_event.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index d25c864cadb..e099650cd24 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4496,7 +4496,10 @@ static int perf_tp_event_match(struct perf_event *event,
 				struct perf_sample_data *data,
 				struct pt_regs *regs)
 {
-	if (perf_exclude_event(event, regs))
+	/*
+	 * All tracepoints are from kernel-space.
+	 */
+	if (event->attr.exclude_kernel)
 		return 0;
 
 	if (!perf_tp_filter_match(event, data))

From 73d5e8f77e88a4d3a154dfdbb4ed2cf461b7bf21 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Fri, 21 May 2010 13:15:17 +0200
Subject: [PATCH 2476/3638] HID: fix up 'EMBEDDED' mess in Kconfig

The whole point of making some of the drivers automatically selected
unless 'EMBEDDED' was to handle quirks transparently after their separation
from the generic core.

Over time, some of the later-added quirks grew into more standalone drivers,
implementing non-trivial features a being larger than a few bytes of code.

In addition to that, some of the standalone drivers don't make sense for
99.9% of the users, as they are very specific to rare devices.

Therefore build by default in only those drivers which

- we historically used to support even before quirk separation from the
  core code
- are isolated enough and likely to hit quite large portion of the
  users anyway (Microsoft, Logitech)

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig | 47 +++++++++++++++------------------------------
 1 file changed, 16 insertions(+), 31 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 339c1eaa55a..76ba59b9fea 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -129,9 +129,8 @@ config HID_CYPRESS
 	Support for cypress mouse and barcode readers.
 
 config HID_DRAGONRISE
-	tristate "DragonRise Inc. support" if EMBEDDED
+	tristate "DragonRise Inc. support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Say Y here if you have DragonRise Inc.game controllers.
 
@@ -147,7 +146,7 @@ config HID_EGALAX
 	tristate "eGalax multi-touch panel"
 	depends on USB_HID
 	---help---
-	Support for the eGalax dual-touch panel
+	Support for the eGalax dual-touch panel.
 
 config HID_EZKEY
 	tristate "Ezkey" if EMBEDDED
@@ -164,16 +163,14 @@ config HID_KYE
 	Support for Kye/Genius Ergo Mouse.
 
 config HID_GYRATION
-	tristate "Gyration" if EMBEDDED
+	tristate "Gyration"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Gyration remote control.
 
 config HID_TWINHAN
-	tristate "Twinhan" if EMBEDDED
+	tristate "Twinhan"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Twinhan IR remote control.
 
@@ -260,16 +257,14 @@ config HID_NTRIG
 	Support for N-Trig touch screen.
 
 config HID_ORTEK
-	tristate "Ortek" if EMBEDDED
+	tristate "Ortek"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Ortek WKB-2000 wireless keyboard + mouse trackpad.
 
 config HID_PANTHERLORD
-	tristate "Pantherlord support" if EMBEDDED
+	tristate "Pantherlord support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	  Say Y here if you have a PantherLord/GreenAsia based game controller
 	  or adapter.
@@ -283,9 +278,8 @@ config PANTHERLORD_FF
 	  or adapter and want to enable force feedback support for it.
 
 config HID_PETALYNX
-	tristate "Petalynx" if EMBEDDED
+	tristate "Petalynx"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Petalynx Maxter remote control.
 
@@ -360,16 +354,14 @@ config HID_ROCCAT_KONE
 	Support for Roccat Kone mouse.
 
 config HID_SAMSUNG
-	tristate "Samsung" if EMBEDDED
+	tristate "Samsung"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Samsung InfraRed remote control or keyboards.
 
 config HID_SONY
-	tristate "Sony" if EMBEDDED
+	tristate "Sony"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Sony PS3 controller.
 
@@ -380,16 +372,14 @@ config HID_STANTUM
 	Support for Stantum multitouch panel.
 
 config HID_SUNPLUS
-	tristate "Sunplus" if EMBEDDED
+	tristate "Sunplus"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Sunplus wireless desktop.
 
 config HID_GREENASIA
-	tristate "GreenAsia (Product ID 0x12) support" if EMBEDDED
+	tristate "GreenAsia (Product ID 0x12) support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	  Say Y here if you have a GreenAsia (Product ID 0x12) based game
 	  controller or adapter.
@@ -404,9 +394,8 @@ config GREENASIA_FF
 	and want to enable force feedback support for it.
 
 config HID_SMARTJOYPLUS
-	tristate "SmartJoy PLUS PS2/USB adapter support" if EMBEDDED
+	tristate "SmartJoy PLUS PS2/USB adapter support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for SmartJoy PLUS PS2/USB adapter.
 
@@ -419,16 +408,14 @@ config SMARTJOYPLUS_FF
 	enable force feedback support for it.
 
 config HID_TOPSEED
-	tristate "TopSeed Cyberlink remote control support" if EMBEDDED
+	tristate "TopSeed Cyberlink remote control support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Say Y if you have a TopSeed Cyberlink or BTC Emprex remote control.
 
 config HID_THRUSTMASTER
-	tristate "ThrustMaster devices support" if EMBEDDED
+	tristate "ThrustMaster devices support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	  Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or
 	  a THRUSTMASTER Ferrari GT Rumble Wheel.
@@ -457,9 +444,8 @@ config HID_WACOM_POWER_SUPPLY
 	  Wacom Bluetooth devices.
 
 config HID_ZEROPLUS
-	tristate "Zeroplus based game controller support" if EMBEDDED
+	tristate "Zeroplus based game controller support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	  Say Y here if you have a Zeroplus based game controller.
 
@@ -472,9 +458,8 @@ config ZEROPLUS_FF
 	  to have force feedback support for it.
 
 config HID_ZYDACRON
-	tristate "Zydacron remote control support" if EMBEDDED
+	tristate "Zydacron remote control support"
 	depends on USB_HID
-	default !EMBEDDED
 	---help---
 	Support for Zydacron remote control.
 

From 598357eba6a55d27ddc7ead80ebb83fe1aad9b83 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Fri, 21 May 2010 12:48:39 +0200
Subject: [PATCH 2477/3638] perf: Fix getline undeclared
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

We need to have stdio.h included with _GNU_SOURCEfopr getline,
which is broken with the inclusion of build-id.h.

Keep util.h included first in hist.c

Fixes:
	util/hist.c: Dans la fonction «hist_entry__parse_objdump_line» :
	util/hist.c:938: attention : déclaration implicite de la fonction « «getline» »
	util/hist.c:938: attention : nested extern declaration of «getline»
	make: *** [util/hist.o] Erreur 1

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1274438919-5104-1-git-send-regression-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 tools/perf/util/hist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 739c39fd0ad..009ad76b087 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1,5 +1,5 @@
-#include "build-id.h"
 #include "util.h"
+#include "build-id.h"
 #include "hist.h"
 #include "session.h"
 #include "sort.h"

From f074e48e0a54d8c1370f319ef95e71f796cd8048 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 23 Apr 2009 21:28:32 +0000
Subject: [PATCH 2478/3638] Blackfin: drop unused bad_page pages and move
 zero_page to the bss

The empty_bad_page/empty_bad_page_table pages are unused, so punt them.
The zero_page is always allocated, so push it out to the bss to speed up
the booting process a bit and pack data nicer.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/include/asm/pgtable.h |  3 ++-
 arch/blackfin/mm/init.c             | 29 ++++-------------------------
 2 files changed, 6 insertions(+), 26 deletions(-)

diff --git a/arch/blackfin/include/asm/pgtable.h b/arch/blackfin/include/asm/pgtable.h
index 821c699c223..dcca3e6d6e8 100644
--- a/arch/blackfin/include/asm/pgtable.h
+++ b/arch/blackfin/include/asm/pgtable.h
@@ -80,7 +80,8 @@ PTE_BIT_FUNC(mkyoung, |= _PAGE_ACCESSED);
  * ZERO_PAGE is a global shared page that is always zero: used
  * for zero-mapped memory areas etc..
  */
-#define ZERO_PAGE(vaddr)	(virt_to_page(0))
+#define ZERO_PAGE(vaddr)	virt_to_page(empty_zero_page)
+extern char empty_zero_page[];
 
 extern unsigned int kobjsize(const void *objp);
 
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index 355b87aa6b9..10c8a59a96c 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -15,23 +15,11 @@
 #include "blackfin_sram.h"
 
 /*
- * BAD_PAGE is the page that is used for page faults when linux
- * is out-of-memory. Older versions of linux just did a
- * do_exit(), but using this instead means there is less risk
- * for a process dying in kernel mode, possibly leaving a inode
- * unused etc..
- *
- * BAD_PAGETABLE is the accompanying page-table: it is initialized
- * to point to BAD_PAGE entries.
- *
- * ZERO_PAGE is a special page that is used for zero-initialized
- * data and COW.
+ * ZERO_PAGE is a special page that is used for zero-initialized data and COW.
+ * Let the bss do its zero-init magic so we don't have to do it ourselves.
  */
-static unsigned long empty_bad_page_table;
-
-static unsigned long empty_bad_page;
-
-static unsigned long empty_zero_page;
+char empty_zero_page[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
+EXPORT_SYMBOL(empty_zero_page);
 
 #ifndef CONFIG_EXCEPTION_L1_SCRATCH
 #if defined CONFIG_SYSCALL_TAB_L1
@@ -59,15 +47,6 @@ void __init paging_init(void)
 
 	pr_debug("start_mem is %#lx   virtual_end is %#lx\n", PAGE_ALIGN(memory_start), end_mem);
 
-	/*
-	 * initialize the bad page table and bad page to point
-	 * to a couple of allocated pages
-	 */
-	empty_bad_page_table = (unsigned long)alloc_bootmem_pages(PAGE_SIZE);
-	empty_bad_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE);
-	empty_zero_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE);
-	memset((void *)empty_zero_page, 0, PAGE_SIZE);
-
 	/*
 	 * Set up SFC/DFC registers (user data space)
 	 */

From d012ce22a492a38977ba727b02bcd216ed571710 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 23 Apr 2009 22:17:37 +0000
Subject: [PATCH 2479/3638] Blackfin: cleanup style/comments/etc... in
 paging_init()

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mm/init.c | 31 +++++++++++++------------------
 1 file changed, 13 insertions(+), 18 deletions(-)

diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index 10c8a59a96c..bb4e8fff4b5 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -40,31 +40,26 @@ EXPORT_SYMBOL(cpu_pda);
 void __init paging_init(void)
 {
 	/*
-	 * make sure start_mem is page aligned,  otherwise bootmem and
-	 * page_alloc get different views og the world
+	 * make sure start_mem is page aligned, otherwise bootmem and
+	 * page_alloc get different views of the world
 	 */
 	unsigned long end_mem = memory_end & PAGE_MASK;
 
-	pr_debug("start_mem is %#lx   virtual_end is %#lx\n", PAGE_ALIGN(memory_start), end_mem);
+	unsigned long zones_size[MAX_NR_ZONES] = {
+		[0] = 0,
+		[ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT,
+		[ZONE_NORMAL] = 0,
+#ifdef CONFIG_HIGHMEM
+		[ZONE_HIGHMEM] = 0,
+#endif
+	};
 
-	/*
-	 * Set up SFC/DFC registers (user data space)
-	 */
+	/* Set up SFC/DFC registers (user data space) */
 	set_fs(KERNEL_DS);
 
-	pr_debug("free_area_init -> start_mem is %#lx   virtual_end is %#lx\n",
+	pr_debug("free_area_init -> start_mem is %#lx virtual_end is %#lx\n",
 	        PAGE_ALIGN(memory_start), end_mem);
-
-	{
-		unsigned long zones_size[MAX_NR_ZONES] = { 0, };
-
-		zones_size[ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
-		zones_size[ZONE_NORMAL] = 0;
-#ifdef CONFIG_HIGHMEM
-		zones_size[ZONE_HIGHMEM] = 0;
-#endif
-		free_area_init(zones_size);
-	}
+	free_area_init(zones_size);
 }
 
 asmlinkage void __init init_pda(void)

From def282d61578e157ed6362eaffafef8a13af10be Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 15 Dec 2009 13:33:19 +0000
Subject: [PATCH 2480/3638] Blackfin: punt duplicated CAN MMRs

Now that there's a common header with everything unified, drop the defines
from the global namespace.  Pollution sucks.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 .../mach-bf537/include/mach/defBF534.h        | 622 ----------------
 .../mach-bf538/include/mach/defBF539.h        | 621 ----------------
 .../mach-bf548/include/mach/defBF54x_base.h   | 671 ------------------
 3 files changed, 1914 deletions(-)

diff --git a/arch/blackfin/mach-bf537/include/mach/defBF534.h b/arch/blackfin/mach-bf537/include/mach/defBF534.h
index 066d5c261f4..cf396ea4009 100644
--- a/arch/blackfin/mach-bf537/include/mach/defBF534.h
+++ b/arch/blackfin/mach-bf537/include/mach/defBF534.h
@@ -1702,628 +1702,6 @@
 #define	RCV_HALF	0x0004	/*              Receive FIFO Has 1 Byte To Read                 */
 #define	RCV_FULL	0x000C	/*              Receive FIFO Full (2 Bytes To Read)             */
 
-/* ************  CONTROLLER AREA NETWORK (CAN) MASKS  ***************/
-/* CAN_CONTROL Masks												*/
-#define	SRS			0x0001	/* Software Reset                                               */
-#define	DNM			0x0002	/* Device Net Mode                                              */
-#define	ABO			0x0004	/* Auto-Bus On Enable                                   */
-#define	TXPRIO		0x0008	/* TX Priority (Priority/Mailbox*)              */
-#define	WBA			0x0010	/* Wake-Up On CAN Bus Activity Enable   */
-#define	SMR			0x0020	/* Sleep Mode Request                                   */
-#define	CSR			0x0040	/* CAN Suspend Mode Request                             */
-#define	CCR			0x0080	/* CAN Configuration Mode Request               */
-
-/* CAN_STATUS Masks												*/
-#define	WT			0x0001	/* TX Warning Flag                                      */
-#define	WR			0x0002	/* RX Warning Flag                                      */
-#define	EP			0x0004	/* Error Passive Mode                           */
-#define	EBO			0x0008	/* Error Bus Off Mode                           */
-#define	SMA			0x0020	/* Sleep Mode Acknowledge                       */
-#define	CSA			0x0040	/* Suspend Mode Acknowledge                     */
-#define	CCA			0x0080	/* Configuration Mode Acknowledge       */
-#define	MBPTR		0x1F00	/* Mailbox Pointer                                      */
-#define	TRM			0x4000	/* Transmit Mode                                        */
-#define	REC			0x8000	/* Receive Mode                                         */
-
-/* CAN_CLOCK Masks									*/
-#define	BRP			0x03FF	/* Bit-Rate Pre-Scaler  */
-
-/* CAN_TIMING Masks											*/
-#define	TSEG1		0x000F	/* Time Segment 1                               */
-#define	TSEG2		0x0070	/* Time Segment 2                               */
-#define	SAM			0x0080	/* Sampling                                             */
-#define	SJW			0x0300	/* Synchronization Jump Width   */
-
-/* CAN_DEBUG Masks											*/
-#define	DEC			0x0001	/* Disable CAN Error Counters   */
-#define	DRI			0x0002	/* Disable CAN RX Input                 */
-#define	DTO			0x0004	/* Disable CAN TX Output                */
-#define	DIL			0x0008	/* Disable CAN Internal Loop    */
-#define	MAA			0x0010	/* Mode Auto-Acknowledge Enable */
-#define	MRB			0x0020	/* Mode Read Back Enable                */
-#define	CDE			0x8000	/* CAN Debug Enable                             */
-
-/* CAN_CEC Masks										*/
-#define	RXECNT		0x00FF	/* Receive Error Counter        */
-#define	TXECNT		0xFF00	/* Transmit Error Counter       */
-
-/* CAN_INTR Masks											*/
-#define	MBRIRQ	0x0001	/* Mailbox Receive Interrupt	*/
-#define	MBRIF		MBRIRQ	/* legacy */
-#define	MBTIRQ	0x0002	/* Mailbox Transmit Interrupt	*/
-#define	MBTIF		MBTIRQ	/* legacy */
-#define	GIRQ		0x0004	/* Global Interrupt                             */
-#define	SMACK		0x0008	/* Sleep Mode Acknowledge               */
-#define	CANTX		0x0040	/* CAN TX Bus Value                             */
-#define	CANRX		0x0080	/* CAN RX Bus Value                             */
-
-/* CAN_MBxx_ID1 and CAN_MBxx_ID0 Masks										*/
-#define DFC			0xFFFF	/* Data Filtering Code (If Enabled) (ID0)               */
-#define	EXTID_LO	0xFFFF	/* Lower 16 Bits of Extended Identifier (ID0)   */
-#define	EXTID_HI	0x0003	/* Upper 2 Bits of Extended Identifier (ID1)    */
-#define	BASEID		0x1FFC	/* Base Identifier                                                              */
-#define	IDE			0x2000	/* Identifier Extension                                                 */
-#define	RTR			0x4000	/* Remote Frame Transmission Request                    */
-#define	AME			0x8000	/* Acceptance Mask Enable                                               */
-
-/* CAN_MBxx_TIMESTAMP Masks					*/
-#define TSV			0xFFFF	/* Timestamp    */
-
-/* CAN_MBxx_LENGTH Masks						*/
-#define DLC			0x000F	/* Data Length Code     */
-
-/* CAN_AMxxH and CAN_AMxxL Masks												*/
-#define DFM			0xFFFF	/* Data Field Mask (If Enabled) (CAN_AMxxL)                     */
-#define	EXTID_LO	0xFFFF	/* Lower 16 Bits of Extended Identifier (CAN_AMxxL)     */
-#define	EXTID_HI	0x0003	/* Upper 2 Bits of Extended Identifier (CAN_AMxxH)      */
-#define	BASEID		0x1FFC	/* Base Identifier                                                                      */
-#define	AMIDE		0x2000	/* Acceptance Mask ID Extension Enable                          */
-#define	FMD			0x4000	/* Full Mask Data Field Enable                                          */
-#define	FDF			0x8000	/* Filter On Data Field Enable                                          */
-
-/* CAN_MC1 Masks									*/
-#define	MC0			0x0001	/* Enable Mailbox 0             */
-#define	MC1			0x0002	/* Enable Mailbox 1             */
-#define	MC2			0x0004	/* Enable Mailbox 2             */
-#define	MC3			0x0008	/* Enable Mailbox 3             */
-#define	MC4			0x0010	/* Enable Mailbox 4             */
-#define	MC5			0x0020	/* Enable Mailbox 5             */
-#define	MC6			0x0040	/* Enable Mailbox 6             */
-#define	MC7			0x0080	/* Enable Mailbox 7             */
-#define	MC8			0x0100	/* Enable Mailbox 8             */
-#define	MC9			0x0200	/* Enable Mailbox 9             */
-#define	MC10		0x0400	/* Enable Mailbox 10    */
-#define	MC11		0x0800	/* Enable Mailbox 11    */
-#define	MC12		0x1000	/* Enable Mailbox 12    */
-#define	MC13		0x2000	/* Enable Mailbox 13    */
-#define	MC14		0x4000	/* Enable Mailbox 14    */
-#define	MC15		0x8000	/* Enable Mailbox 15    */
-
-/* CAN_MC2 Masks									*/
-#define	MC16		0x0001	/* Enable Mailbox 16    */
-#define	MC17		0x0002	/* Enable Mailbox 17    */
-#define	MC18		0x0004	/* Enable Mailbox 18    */
-#define	MC19		0x0008	/* Enable Mailbox 19    */
-#define	MC20		0x0010	/* Enable Mailbox 20    */
-#define	MC21		0x0020	/* Enable Mailbox 21    */
-#define	MC22		0x0040	/* Enable Mailbox 22    */
-#define	MC23		0x0080	/* Enable Mailbox 23    */
-#define	MC24		0x0100	/* Enable Mailbox 24    */
-#define	MC25		0x0200	/* Enable Mailbox 25    */
-#define	MC26		0x0400	/* Enable Mailbox 26    */
-#define	MC27		0x0800	/* Enable Mailbox 27    */
-#define	MC28		0x1000	/* Enable Mailbox 28    */
-#define	MC29		0x2000	/* Enable Mailbox 29    */
-#define	MC30		0x4000	/* Enable Mailbox 30    */
-#define	MC31		0x8000	/* Enable Mailbox 31    */
-
-/* CAN_MD1 Masks												*/
-#define	MD0			0x0001	/* Enable Mailbox 0 For Receive         */
-#define	MD1			0x0002	/* Enable Mailbox 1 For Receive         */
-#define	MD2			0x0004	/* Enable Mailbox 2 For Receive         */
-#define	MD3			0x0008	/* Enable Mailbox 3 For Receive         */
-#define	MD4			0x0010	/* Enable Mailbox 4 For Receive         */
-#define	MD5			0x0020	/* Enable Mailbox 5 For Receive         */
-#define	MD6			0x0040	/* Enable Mailbox 6 For Receive         */
-#define	MD7			0x0080	/* Enable Mailbox 7 For Receive         */
-#define	MD8			0x0100	/* Enable Mailbox 8 For Receive         */
-#define	MD9			0x0200	/* Enable Mailbox 9 For Receive         */
-#define	MD10		0x0400	/* Enable Mailbox 10 For Receive        */
-#define	MD11		0x0800	/* Enable Mailbox 11 For Receive        */
-#define	MD12		0x1000	/* Enable Mailbox 12 For Receive        */
-#define	MD13		0x2000	/* Enable Mailbox 13 For Receive        */
-#define	MD14		0x4000	/* Enable Mailbox 14 For Receive        */
-#define	MD15		0x8000	/* Enable Mailbox 15 For Receive        */
-
-/* CAN_MD2 Masks												*/
-#define	MD16		0x0001	/* Enable Mailbox 16 For Receive        */
-#define	MD17		0x0002	/* Enable Mailbox 17 For Receive        */
-#define	MD18		0x0004	/* Enable Mailbox 18 For Receive        */
-#define	MD19		0x0008	/* Enable Mailbox 19 For Receive        */
-#define	MD20		0x0010	/* Enable Mailbox 20 For Receive        */
-#define	MD21		0x0020	/* Enable Mailbox 21 For Receive        */
-#define	MD22		0x0040	/* Enable Mailbox 22 For Receive        */
-#define	MD23		0x0080	/* Enable Mailbox 23 For Receive        */
-#define	MD24		0x0100	/* Enable Mailbox 24 For Receive        */
-#define	MD25		0x0200	/* Enable Mailbox 25 For Receive        */
-#define	MD26		0x0400	/* Enable Mailbox 26 For Receive        */
-#define	MD27		0x0800	/* Enable Mailbox 27 For Receive        */
-#define	MD28		0x1000	/* Enable Mailbox 28 For Receive        */
-#define	MD29		0x2000	/* Enable Mailbox 29 For Receive        */
-#define	MD30		0x4000	/* Enable Mailbox 30 For Receive        */
-#define	MD31		0x8000	/* Enable Mailbox 31 For Receive        */
-
-/* CAN_RMP1 Masks												*/
-#define	RMP0		0x0001	/* RX Message Pending In Mailbox 0      */
-#define	RMP1		0x0002	/* RX Message Pending In Mailbox 1      */
-#define	RMP2		0x0004	/* RX Message Pending In Mailbox 2      */
-#define	RMP3		0x0008	/* RX Message Pending In Mailbox 3      */
-#define	RMP4		0x0010	/* RX Message Pending In Mailbox 4      */
-#define	RMP5		0x0020	/* RX Message Pending In Mailbox 5      */
-#define	RMP6		0x0040	/* RX Message Pending In Mailbox 6      */
-#define	RMP7		0x0080	/* RX Message Pending In Mailbox 7      */
-#define	RMP8		0x0100	/* RX Message Pending In Mailbox 8      */
-#define	RMP9		0x0200	/* RX Message Pending In Mailbox 9      */
-#define	RMP10		0x0400	/* RX Message Pending In Mailbox 10     */
-#define	RMP11		0x0800	/* RX Message Pending In Mailbox 11     */
-#define	RMP12		0x1000	/* RX Message Pending In Mailbox 12     */
-#define	RMP13		0x2000	/* RX Message Pending In Mailbox 13     */
-#define	RMP14		0x4000	/* RX Message Pending In Mailbox 14     */
-#define	RMP15		0x8000	/* RX Message Pending In Mailbox 15     */
-
-/* CAN_RMP2 Masks												*/
-#define	RMP16		0x0001	/* RX Message Pending In Mailbox 16     */
-#define	RMP17		0x0002	/* RX Message Pending In Mailbox 17     */
-#define	RMP18		0x0004	/* RX Message Pending In Mailbox 18     */
-#define	RMP19		0x0008	/* RX Message Pending In Mailbox 19     */
-#define	RMP20		0x0010	/* RX Message Pending In Mailbox 20     */
-#define	RMP21		0x0020	/* RX Message Pending In Mailbox 21     */
-#define	RMP22		0x0040	/* RX Message Pending In Mailbox 22     */
-#define	RMP23		0x0080	/* RX Message Pending In Mailbox 23     */
-#define	RMP24		0x0100	/* RX Message Pending In Mailbox 24     */
-#define	RMP25		0x0200	/* RX Message Pending In Mailbox 25     */
-#define	RMP26		0x0400	/* RX Message Pending In Mailbox 26     */
-#define	RMP27		0x0800	/* RX Message Pending In Mailbox 27     */
-#define	RMP28		0x1000	/* RX Message Pending In Mailbox 28     */
-#define	RMP29		0x2000	/* RX Message Pending In Mailbox 29     */
-#define	RMP30		0x4000	/* RX Message Pending In Mailbox 30     */
-#define	RMP31		0x8000	/* RX Message Pending In Mailbox 31     */
-
-/* CAN_RML1 Masks												*/
-#define	RML0		0x0001	/* RX Message Lost In Mailbox 0         */
-#define	RML1		0x0002	/* RX Message Lost In Mailbox 1         */
-#define	RML2		0x0004	/* RX Message Lost In Mailbox 2         */
-#define	RML3		0x0008	/* RX Message Lost In Mailbox 3         */
-#define	RML4		0x0010	/* RX Message Lost In Mailbox 4         */
-#define	RML5		0x0020	/* RX Message Lost In Mailbox 5         */
-#define	RML6		0x0040	/* RX Message Lost In Mailbox 6         */
-#define	RML7		0x0080	/* RX Message Lost In Mailbox 7         */
-#define	RML8		0x0100	/* RX Message Lost In Mailbox 8         */
-#define	RML9		0x0200	/* RX Message Lost In Mailbox 9         */
-#define	RML10		0x0400	/* RX Message Lost In Mailbox 10        */
-#define	RML11		0x0800	/* RX Message Lost In Mailbox 11        */
-#define	RML12		0x1000	/* RX Message Lost In Mailbox 12        */
-#define	RML13		0x2000	/* RX Message Lost In Mailbox 13        */
-#define	RML14		0x4000	/* RX Message Lost In Mailbox 14        */
-#define	RML15		0x8000	/* RX Message Lost In Mailbox 15        */
-
-/* CAN_RML2 Masks												*/
-#define	RML16		0x0001	/* RX Message Lost In Mailbox 16        */
-#define	RML17		0x0002	/* RX Message Lost In Mailbox 17        */
-#define	RML18		0x0004	/* RX Message Lost In Mailbox 18        */
-#define	RML19		0x0008	/* RX Message Lost In Mailbox 19        */
-#define	RML20		0x0010	/* RX Message Lost In Mailbox 20        */
-#define	RML21		0x0020	/* RX Message Lost In Mailbox 21        */
-#define	RML22		0x0040	/* RX Message Lost In Mailbox 22        */
-#define	RML23		0x0080	/* RX Message Lost In Mailbox 23        */
-#define	RML24		0x0100	/* RX Message Lost In Mailbox 24        */
-#define	RML25		0x0200	/* RX Message Lost In Mailbox 25        */
-#define	RML26		0x0400	/* RX Message Lost In Mailbox 26        */
-#define	RML27		0x0800	/* RX Message Lost In Mailbox 27        */
-#define	RML28		0x1000	/* RX Message Lost In Mailbox 28        */
-#define	RML29		0x2000	/* RX Message Lost In Mailbox 29        */
-#define	RML30		0x4000	/* RX Message Lost In Mailbox 30        */
-#define	RML31		0x8000	/* RX Message Lost In Mailbox 31        */
-
-/* CAN_OPSS1 Masks																				*/
-#define	OPSS0		0x0001	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 0       */
-#define	OPSS1		0x0002	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 1       */
-#define	OPSS2		0x0004	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 2       */
-#define	OPSS3		0x0008	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 3       */
-#define	OPSS4		0x0010	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 4       */
-#define	OPSS5		0x0020	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 5       */
-#define	OPSS6		0x0040	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 6       */
-#define	OPSS7		0x0080	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 7       */
-#define	OPSS8		0x0100	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 8       */
-#define	OPSS9		0x0200	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 9       */
-#define	OPSS10		0x0400	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 10      */
-#define	OPSS11		0x0800	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 11      */
-#define	OPSS12		0x1000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 12      */
-#define	OPSS13		0x2000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 13      */
-#define	OPSS14		0x4000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 14      */
-#define	OPSS15		0x8000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 15      */
-
-/* CAN_OPSS2 Masks																				*/
-#define	OPSS16		0x0001	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 16      */
-#define	OPSS17		0x0002	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 17      */
-#define	OPSS18		0x0004	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 18      */
-#define	OPSS19		0x0008	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 19      */
-#define	OPSS20		0x0010	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 20      */
-#define	OPSS21		0x0020	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 21      */
-#define	OPSS22		0x0040	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 22      */
-#define	OPSS23		0x0080	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 23      */
-#define	OPSS24		0x0100	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 24      */
-#define	OPSS25		0x0200	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 25      */
-#define	OPSS26		0x0400	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 26      */
-#define	OPSS27		0x0800	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 27      */
-#define	OPSS28		0x1000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 28      */
-#define	OPSS29		0x2000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 29      */
-#define	OPSS30		0x4000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 30      */
-#define	OPSS31		0x8000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 31      */
-
-/* CAN_TRR1 Masks														*/
-#define	TRR0		0x0001	/* Deny But Don't Lock Access To Mailbox 0      */
-#define	TRR1		0x0002	/* Deny But Don't Lock Access To Mailbox 1      */
-#define	TRR2		0x0004	/* Deny But Don't Lock Access To Mailbox 2      */
-#define	TRR3		0x0008	/* Deny But Don't Lock Access To Mailbox 3      */
-#define	TRR4		0x0010	/* Deny But Don't Lock Access To Mailbox 4      */
-#define	TRR5		0x0020	/* Deny But Don't Lock Access To Mailbox 5      */
-#define	TRR6		0x0040	/* Deny But Don't Lock Access To Mailbox 6      */
-#define	TRR7		0x0080	/* Deny But Don't Lock Access To Mailbox 7      */
-#define	TRR8		0x0100	/* Deny But Don't Lock Access To Mailbox 8      */
-#define	TRR9		0x0200	/* Deny But Don't Lock Access To Mailbox 9      */
-#define	TRR10		0x0400	/* Deny But Don't Lock Access To Mailbox 10     */
-#define	TRR11		0x0800	/* Deny But Don't Lock Access To Mailbox 11     */
-#define	TRR12		0x1000	/* Deny But Don't Lock Access To Mailbox 12     */
-#define	TRR13		0x2000	/* Deny But Don't Lock Access To Mailbox 13     */
-#define	TRR14		0x4000	/* Deny But Don't Lock Access To Mailbox 14     */
-#define	TRR15		0x8000	/* Deny But Don't Lock Access To Mailbox 15     */
-
-/* CAN_TRR2 Masks														*/
-#define	TRR16		0x0001	/* Deny But Don't Lock Access To Mailbox 16     */
-#define	TRR17		0x0002	/* Deny But Don't Lock Access To Mailbox 17     */
-#define	TRR18		0x0004	/* Deny But Don't Lock Access To Mailbox 18     */
-#define	TRR19		0x0008	/* Deny But Don't Lock Access To Mailbox 19     */
-#define	TRR20		0x0010	/* Deny But Don't Lock Access To Mailbox 20     */
-#define	TRR21		0x0020	/* Deny But Don't Lock Access To Mailbox 21     */
-#define	TRR22		0x0040	/* Deny But Don't Lock Access To Mailbox 22     */
-#define	TRR23		0x0080	/* Deny But Don't Lock Access To Mailbox 23     */
-#define	TRR24		0x0100	/* Deny But Don't Lock Access To Mailbox 24     */
-#define	TRR25		0x0200	/* Deny But Don't Lock Access To Mailbox 25     */
-#define	TRR26		0x0400	/* Deny But Don't Lock Access To Mailbox 26     */
-#define	TRR27		0x0800	/* Deny But Don't Lock Access To Mailbox 27     */
-#define	TRR28		0x1000	/* Deny But Don't Lock Access To Mailbox 28     */
-#define	TRR29		0x2000	/* Deny But Don't Lock Access To Mailbox 29     */
-#define	TRR30		0x4000	/* Deny But Don't Lock Access To Mailbox 30     */
-#define	TRR31		0x8000	/* Deny But Don't Lock Access To Mailbox 31     */
-
-/* CAN_TRS1 Masks													*/
-#define	TRS0		0x0001	/* Remote Frame Request For Mailbox 0   */
-#define	TRS1		0x0002	/* Remote Frame Request For Mailbox 1   */
-#define	TRS2		0x0004	/* Remote Frame Request For Mailbox 2   */
-#define	TRS3		0x0008	/* Remote Frame Request For Mailbox 3   */
-#define	TRS4		0x0010	/* Remote Frame Request For Mailbox 4   */
-#define	TRS5		0x0020	/* Remote Frame Request For Mailbox 5   */
-#define	TRS6		0x0040	/* Remote Frame Request For Mailbox 6   */
-#define	TRS7		0x0080	/* Remote Frame Request For Mailbox 7   */
-#define	TRS8		0x0100	/* Remote Frame Request For Mailbox 8   */
-#define	TRS9		0x0200	/* Remote Frame Request For Mailbox 9   */
-#define	TRS10		0x0400	/* Remote Frame Request For Mailbox 10  */
-#define	TRS11		0x0800	/* Remote Frame Request For Mailbox 11  */
-#define	TRS12		0x1000	/* Remote Frame Request For Mailbox 12  */
-#define	TRS13		0x2000	/* Remote Frame Request For Mailbox 13  */
-#define	TRS14		0x4000	/* Remote Frame Request For Mailbox 14  */
-#define	TRS15		0x8000	/* Remote Frame Request For Mailbox 15  */
-
-/* CAN_TRS2 Masks													*/
-#define	TRS16		0x0001	/* Remote Frame Request For Mailbox 16  */
-#define	TRS17		0x0002	/* Remote Frame Request For Mailbox 17  */
-#define	TRS18		0x0004	/* Remote Frame Request For Mailbox 18  */
-#define	TRS19		0x0008	/* Remote Frame Request For Mailbox 19  */
-#define	TRS20		0x0010	/* Remote Frame Request For Mailbox 20  */
-#define	TRS21		0x0020	/* Remote Frame Request For Mailbox 21  */
-#define	TRS22		0x0040	/* Remote Frame Request For Mailbox 22  */
-#define	TRS23		0x0080	/* Remote Frame Request For Mailbox 23  */
-#define	TRS24		0x0100	/* Remote Frame Request For Mailbox 24  */
-#define	TRS25		0x0200	/* Remote Frame Request For Mailbox 25  */
-#define	TRS26		0x0400	/* Remote Frame Request For Mailbox 26  */
-#define	TRS27		0x0800	/* Remote Frame Request For Mailbox 27  */
-#define	TRS28		0x1000	/* Remote Frame Request For Mailbox 28  */
-#define	TRS29		0x2000	/* Remote Frame Request For Mailbox 29  */
-#define	TRS30		0x4000	/* Remote Frame Request For Mailbox 30  */
-#define	TRS31		0x8000	/* Remote Frame Request For Mailbox 31  */
-
-/* CAN_AA1 Masks												*/
-#define	AA0			0x0001	/* Aborted Message In Mailbox 0         */
-#define	AA1			0x0002	/* Aborted Message In Mailbox 1         */
-#define	AA2			0x0004	/* Aborted Message In Mailbox 2         */
-#define	AA3			0x0008	/* Aborted Message In Mailbox 3         */
-#define	AA4			0x0010	/* Aborted Message In Mailbox 4         */
-#define	AA5			0x0020	/* Aborted Message In Mailbox 5         */
-#define	AA6			0x0040	/* Aborted Message In Mailbox 6         */
-#define	AA7			0x0080	/* Aborted Message In Mailbox 7         */
-#define	AA8			0x0100	/* Aborted Message In Mailbox 8         */
-#define	AA9			0x0200	/* Aborted Message In Mailbox 9         */
-#define	AA10		0x0400	/* Aborted Message In Mailbox 10        */
-#define	AA11		0x0800	/* Aborted Message In Mailbox 11        */
-#define	AA12		0x1000	/* Aborted Message In Mailbox 12        */
-#define	AA13		0x2000	/* Aborted Message In Mailbox 13        */
-#define	AA14		0x4000	/* Aborted Message In Mailbox 14        */
-#define	AA15		0x8000	/* Aborted Message In Mailbox 15        */
-
-/* CAN_AA2 Masks												*/
-#define	AA16		0x0001	/* Aborted Message In Mailbox 16        */
-#define	AA17		0x0002	/* Aborted Message In Mailbox 17        */
-#define	AA18		0x0004	/* Aborted Message In Mailbox 18        */
-#define	AA19		0x0008	/* Aborted Message In Mailbox 19        */
-#define	AA20		0x0010	/* Aborted Message In Mailbox 20        */
-#define	AA21		0x0020	/* Aborted Message In Mailbox 21        */
-#define	AA22		0x0040	/* Aborted Message In Mailbox 22        */
-#define	AA23		0x0080	/* Aborted Message In Mailbox 23        */
-#define	AA24		0x0100	/* Aborted Message In Mailbox 24        */
-#define	AA25		0x0200	/* Aborted Message In Mailbox 25        */
-#define	AA26		0x0400	/* Aborted Message In Mailbox 26        */
-#define	AA27		0x0800	/* Aborted Message In Mailbox 27        */
-#define	AA28		0x1000	/* Aborted Message In Mailbox 28        */
-#define	AA29		0x2000	/* Aborted Message In Mailbox 29        */
-#define	AA30		0x4000	/* Aborted Message In Mailbox 30        */
-#define	AA31		0x8000	/* Aborted Message In Mailbox 31        */
-
-/* CAN_TA1 Masks													*/
-#define	TA0			0x0001	/* Transmit Successful From Mailbox 0   */
-#define	TA1			0x0002	/* Transmit Successful From Mailbox 1   */
-#define	TA2			0x0004	/* Transmit Successful From Mailbox 2   */
-#define	TA3			0x0008	/* Transmit Successful From Mailbox 3   */
-#define	TA4			0x0010	/* Transmit Successful From Mailbox 4   */
-#define	TA5			0x0020	/* Transmit Successful From Mailbox 5   */
-#define	TA6			0x0040	/* Transmit Successful From Mailbox 6   */
-#define	TA7			0x0080	/* Transmit Successful From Mailbox 7   */
-#define	TA8			0x0100	/* Transmit Successful From Mailbox 8   */
-#define	TA9			0x0200	/* Transmit Successful From Mailbox 9   */
-#define	TA10		0x0400	/* Transmit Successful From Mailbox 10  */
-#define	TA11		0x0800	/* Transmit Successful From Mailbox 11  */
-#define	TA12		0x1000	/* Transmit Successful From Mailbox 12  */
-#define	TA13		0x2000	/* Transmit Successful From Mailbox 13  */
-#define	TA14		0x4000	/* Transmit Successful From Mailbox 14  */
-#define	TA15		0x8000	/* Transmit Successful From Mailbox 15  */
-
-/* CAN_TA2 Masks													*/
-#define	TA16		0x0001	/* Transmit Successful From Mailbox 16  */
-#define	TA17		0x0002	/* Transmit Successful From Mailbox 17  */
-#define	TA18		0x0004	/* Transmit Successful From Mailbox 18  */
-#define	TA19		0x0008	/* Transmit Successful From Mailbox 19  */
-#define	TA20		0x0010	/* Transmit Successful From Mailbox 20  */
-#define	TA21		0x0020	/* Transmit Successful From Mailbox 21  */
-#define	TA22		0x0040	/* Transmit Successful From Mailbox 22  */
-#define	TA23		0x0080	/* Transmit Successful From Mailbox 23  */
-#define	TA24		0x0100	/* Transmit Successful From Mailbox 24  */
-#define	TA25		0x0200	/* Transmit Successful From Mailbox 25  */
-#define	TA26		0x0400	/* Transmit Successful From Mailbox 26  */
-#define	TA27		0x0800	/* Transmit Successful From Mailbox 27  */
-#define	TA28		0x1000	/* Transmit Successful From Mailbox 28  */
-#define	TA29		0x2000	/* Transmit Successful From Mailbox 29  */
-#define	TA30		0x4000	/* Transmit Successful From Mailbox 30  */
-#define	TA31		0x8000	/* Transmit Successful From Mailbox 31  */
-
-/* CAN_MBTD Masks												*/
-#define TDPTR		0x001F	/* Mailbox To Temporarily Disable       */
-#define	TDA			0x0040	/* Temporary Disable Acknowledge        */
-#define	TDR			0x0080	/* Temporary Disable Request            */
-
-/* CAN_RFH1 Masks																		*/
-#define	RFH0		0x0001	/* Enable Automatic Remote Frame Handling For Mailbox 0         */
-#define	RFH1		0x0002	/* Enable Automatic Remote Frame Handling For Mailbox 1         */
-#define	RFH2		0x0004	/* Enable Automatic Remote Frame Handling For Mailbox 2         */
-#define	RFH3		0x0008	/* Enable Automatic Remote Frame Handling For Mailbox 3         */
-#define	RFH4		0x0010	/* Enable Automatic Remote Frame Handling For Mailbox 4         */
-#define	RFH5		0x0020	/* Enable Automatic Remote Frame Handling For Mailbox 5         */
-#define	RFH6		0x0040	/* Enable Automatic Remote Frame Handling For Mailbox 6         */
-#define	RFH7		0x0080	/* Enable Automatic Remote Frame Handling For Mailbox 7         */
-#define	RFH8		0x0100	/* Enable Automatic Remote Frame Handling For Mailbox 8         */
-#define	RFH9		0x0200	/* Enable Automatic Remote Frame Handling For Mailbox 9         */
-#define	RFH10		0x0400	/* Enable Automatic Remote Frame Handling For Mailbox 10        */
-#define	RFH11		0x0800	/* Enable Automatic Remote Frame Handling For Mailbox 11        */
-#define	RFH12		0x1000	/* Enable Automatic Remote Frame Handling For Mailbox 12        */
-#define	RFH13		0x2000	/* Enable Automatic Remote Frame Handling For Mailbox 13        */
-#define	RFH14		0x4000	/* Enable Automatic Remote Frame Handling For Mailbox 14        */
-#define	RFH15		0x8000	/* Enable Automatic Remote Frame Handling For Mailbox 15        */
-
-/* CAN_RFH2 Masks																		*/
-#define	RFH16		0x0001	/* Enable Automatic Remote Frame Handling For Mailbox 16        */
-#define	RFH17		0x0002	/* Enable Automatic Remote Frame Handling For Mailbox 17        */
-#define	RFH18		0x0004	/* Enable Automatic Remote Frame Handling For Mailbox 18        */
-#define	RFH19		0x0008	/* Enable Automatic Remote Frame Handling For Mailbox 19        */
-#define	RFH20		0x0010	/* Enable Automatic Remote Frame Handling For Mailbox 20        */
-#define	RFH21		0x0020	/* Enable Automatic Remote Frame Handling For Mailbox 21        */
-#define	RFH22		0x0040	/* Enable Automatic Remote Frame Handling For Mailbox 22        */
-#define	RFH23		0x0080	/* Enable Automatic Remote Frame Handling For Mailbox 23        */
-#define	RFH24		0x0100	/* Enable Automatic Remote Frame Handling For Mailbox 24        */
-#define	RFH25		0x0200	/* Enable Automatic Remote Frame Handling For Mailbox 25        */
-#define	RFH26		0x0400	/* Enable Automatic Remote Frame Handling For Mailbox 26        */
-#define	RFH27		0x0800	/* Enable Automatic Remote Frame Handling For Mailbox 27        */
-#define	RFH28		0x1000	/* Enable Automatic Remote Frame Handling For Mailbox 28        */
-#define	RFH29		0x2000	/* Enable Automatic Remote Frame Handling For Mailbox 29        */
-#define	RFH30		0x4000	/* Enable Automatic Remote Frame Handling For Mailbox 30        */
-#define	RFH31		0x8000	/* Enable Automatic Remote Frame Handling For Mailbox 31        */
-
-/* CAN_MBTIF1 Masks													*/
-#define	MBTIF0		0x0001	/* TX Interrupt Active In Mailbox 0             */
-#define	MBTIF1		0x0002	/* TX Interrupt Active In Mailbox 1             */
-#define	MBTIF2		0x0004	/* TX Interrupt Active In Mailbox 2             */
-#define	MBTIF3		0x0008	/* TX Interrupt Active In Mailbox 3             */
-#define	MBTIF4		0x0010	/* TX Interrupt Active In Mailbox 4             */
-#define	MBTIF5		0x0020	/* TX Interrupt Active In Mailbox 5             */
-#define	MBTIF6		0x0040	/* TX Interrupt Active In Mailbox 6             */
-#define	MBTIF7		0x0080	/* TX Interrupt Active In Mailbox 7             */
-#define	MBTIF8		0x0100	/* TX Interrupt Active In Mailbox 8             */
-#define	MBTIF9		0x0200	/* TX Interrupt Active In Mailbox 9             */
-#define	MBTIF10		0x0400	/* TX Interrupt Active In Mailbox 10    */
-#define	MBTIF11		0x0800	/* TX Interrupt Active In Mailbox 11    */
-#define	MBTIF12		0x1000	/* TX Interrupt Active In Mailbox 12    */
-#define	MBTIF13		0x2000	/* TX Interrupt Active In Mailbox 13    */
-#define	MBTIF14		0x4000	/* TX Interrupt Active In Mailbox 14    */
-#define	MBTIF15		0x8000	/* TX Interrupt Active In Mailbox 15    */
-
-/* CAN_MBTIF2 Masks													*/
-#define	MBTIF16		0x0001	/* TX Interrupt Active In Mailbox 16    */
-#define	MBTIF17		0x0002	/* TX Interrupt Active In Mailbox 17    */
-#define	MBTIF18		0x0004	/* TX Interrupt Active In Mailbox 18    */
-#define	MBTIF19		0x0008	/* TX Interrupt Active In Mailbox 19    */
-#define	MBTIF20		0x0010	/* TX Interrupt Active In Mailbox 20    */
-#define	MBTIF21		0x0020	/* TX Interrupt Active In Mailbox 21    */
-#define	MBTIF22		0x0040	/* TX Interrupt Active In Mailbox 22    */
-#define	MBTIF23		0x0080	/* TX Interrupt Active In Mailbox 23    */
-#define	MBTIF24		0x0100	/* TX Interrupt Active In Mailbox 24    */
-#define	MBTIF25		0x0200	/* TX Interrupt Active In Mailbox 25    */
-#define	MBTIF26		0x0400	/* TX Interrupt Active In Mailbox 26    */
-#define	MBTIF27		0x0800	/* TX Interrupt Active In Mailbox 27    */
-#define	MBTIF28		0x1000	/* TX Interrupt Active In Mailbox 28    */
-#define	MBTIF29		0x2000	/* TX Interrupt Active In Mailbox 29    */
-#define	MBTIF30		0x4000	/* TX Interrupt Active In Mailbox 30    */
-#define	MBTIF31		0x8000	/* TX Interrupt Active In Mailbox 31    */
-
-/* CAN_MBRIF1 Masks													*/
-#define	MBRIF0		0x0001	/* RX Interrupt Active In Mailbox 0             */
-#define	MBRIF1		0x0002	/* RX Interrupt Active In Mailbox 1             */
-#define	MBRIF2		0x0004	/* RX Interrupt Active In Mailbox 2             */
-#define	MBRIF3		0x0008	/* RX Interrupt Active In Mailbox 3             */
-#define	MBRIF4		0x0010	/* RX Interrupt Active In Mailbox 4             */
-#define	MBRIF5		0x0020	/* RX Interrupt Active In Mailbox 5             */
-#define	MBRIF6		0x0040	/* RX Interrupt Active In Mailbox 6             */
-#define	MBRIF7		0x0080	/* RX Interrupt Active In Mailbox 7             */
-#define	MBRIF8		0x0100	/* RX Interrupt Active In Mailbox 8             */
-#define	MBRIF9		0x0200	/* RX Interrupt Active In Mailbox 9             */
-#define	MBRIF10		0x0400	/* RX Interrupt Active In Mailbox 10    */
-#define	MBRIF11		0x0800	/* RX Interrupt Active In Mailbox 11    */
-#define	MBRIF12		0x1000	/* RX Interrupt Active In Mailbox 12    */
-#define	MBRIF13		0x2000	/* RX Interrupt Active In Mailbox 13    */
-#define	MBRIF14		0x4000	/* RX Interrupt Active In Mailbox 14    */
-#define	MBRIF15		0x8000	/* RX Interrupt Active In Mailbox 15    */
-
-/* CAN_MBRIF2 Masks													*/
-#define	MBRIF16		0x0001	/* RX Interrupt Active In Mailbox 16    */
-#define	MBRIF17		0x0002	/* RX Interrupt Active In Mailbox 17    */
-#define	MBRIF18		0x0004	/* RX Interrupt Active In Mailbox 18    */
-#define	MBRIF19		0x0008	/* RX Interrupt Active In Mailbox 19    */
-#define	MBRIF20		0x0010	/* RX Interrupt Active In Mailbox 20    */
-#define	MBRIF21		0x0020	/* RX Interrupt Active In Mailbox 21    */
-#define	MBRIF22		0x0040	/* RX Interrupt Active In Mailbox 22    */
-#define	MBRIF23		0x0080	/* RX Interrupt Active In Mailbox 23    */
-#define	MBRIF24		0x0100	/* RX Interrupt Active In Mailbox 24    */
-#define	MBRIF25		0x0200	/* RX Interrupt Active In Mailbox 25    */
-#define	MBRIF26		0x0400	/* RX Interrupt Active In Mailbox 26    */
-#define	MBRIF27		0x0800	/* RX Interrupt Active In Mailbox 27    */
-#define	MBRIF28		0x1000	/* RX Interrupt Active In Mailbox 28    */
-#define	MBRIF29		0x2000	/* RX Interrupt Active In Mailbox 29    */
-#define	MBRIF30		0x4000	/* RX Interrupt Active In Mailbox 30    */
-#define	MBRIF31		0x8000	/* RX Interrupt Active In Mailbox 31    */
-
-/* CAN_MBIM1 Masks												*/
-#define	MBIM0		0x0001	/* Enable Interrupt For Mailbox 0       */
-#define	MBIM1		0x0002	/* Enable Interrupt For Mailbox 1       */
-#define	MBIM2		0x0004	/* Enable Interrupt For Mailbox 2       */
-#define	MBIM3		0x0008	/* Enable Interrupt For Mailbox 3       */
-#define	MBIM4		0x0010	/* Enable Interrupt For Mailbox 4       */
-#define	MBIM5		0x0020	/* Enable Interrupt For Mailbox 5       */
-#define	MBIM6		0x0040	/* Enable Interrupt For Mailbox 6       */
-#define	MBIM7		0x0080	/* Enable Interrupt For Mailbox 7       */
-#define	MBIM8		0x0100	/* Enable Interrupt For Mailbox 8       */
-#define	MBIM9		0x0200	/* Enable Interrupt For Mailbox 9       */
-#define	MBIM10		0x0400	/* Enable Interrupt For Mailbox 10      */
-#define	MBIM11		0x0800	/* Enable Interrupt For Mailbox 11      */
-#define	MBIM12		0x1000	/* Enable Interrupt For Mailbox 12      */
-#define	MBIM13		0x2000	/* Enable Interrupt For Mailbox 13      */
-#define	MBIM14		0x4000	/* Enable Interrupt For Mailbox 14      */
-#define	MBIM15		0x8000	/* Enable Interrupt For Mailbox 15      */
-
-/* CAN_MBIM2 Masks												*/
-#define	MBIM16		0x0001	/* Enable Interrupt For Mailbox 16      */
-#define	MBIM17		0x0002	/* Enable Interrupt For Mailbox 17      */
-#define	MBIM18		0x0004	/* Enable Interrupt For Mailbox 18      */
-#define	MBIM19		0x0008	/* Enable Interrupt For Mailbox 19      */
-#define	MBIM20		0x0010	/* Enable Interrupt For Mailbox 20      */
-#define	MBIM21		0x0020	/* Enable Interrupt For Mailbox 21      */
-#define	MBIM22		0x0040	/* Enable Interrupt For Mailbox 22      */
-#define	MBIM23		0x0080	/* Enable Interrupt For Mailbox 23      */
-#define	MBIM24		0x0100	/* Enable Interrupt For Mailbox 24      */
-#define	MBIM25		0x0200	/* Enable Interrupt For Mailbox 25      */
-#define	MBIM26		0x0400	/* Enable Interrupt For Mailbox 26      */
-#define	MBIM27		0x0800	/* Enable Interrupt For Mailbox 27      */
-#define	MBIM28		0x1000	/* Enable Interrupt For Mailbox 28      */
-#define	MBIM29		0x2000	/* Enable Interrupt For Mailbox 29      */
-#define	MBIM30		0x4000	/* Enable Interrupt For Mailbox 30      */
-#define	MBIM31		0x8000	/* Enable Interrupt For Mailbox 31      */
-
-/* CAN_GIM Masks																*/
-#define	EWTIM		0x0001	/* Enable TX Error Count Interrupt                                      */
-#define	EWRIM		0x0002	/* Enable RX Error Count Interrupt                                      */
-#define	EPIM		0x0004	/* Enable Error-Passive Mode Interrupt                          */
-#define	BOIM		0x0008	/* Enable Bus Off Interrupt                                                     */
-#define	WUIM		0x0010	/* Enable Wake-Up Interrupt                                                     */
-#define	UIAIM		0x0020	/* Enable Access To Unimplemented Address Interrupt     */
-#define	AAIM		0x0040	/* Enable Abort Acknowledge Interrupt                           */
-#define	RMLIM		0x0080	/* Enable RX Message Lost Interrupt                                     */
-#define	UCEIM		0x0100	/* Enable Universal Counter Overflow Interrupt          */
-#define	EXTIM		0x0200	/* Enable External Trigger Output Interrupt                     */
-#define	ADIM		0x0400	/* Enable Access Denied Interrupt                                       */
-
-/* CAN_GIS Masks															*/
-#define	EWTIS		0x0001	/* TX Error Count IRQ Status                                    */
-#define	EWRIS		0x0002	/* RX Error Count IRQ Status                                    */
-#define	EPIS		0x0004	/* Error-Passive Mode IRQ Status                                */
-#define	BOIS		0x0008	/* Bus Off IRQ Status                                                   */
-#define	WUIS		0x0010	/* Wake-Up IRQ Status                                                   */
-#define	UIAIS		0x0020	/* Access To Unimplemented Address IRQ Status   */
-#define	AAIS		0x0040	/* Abort Acknowledge IRQ Status                                 */
-#define	RMLIS		0x0080	/* RX Message Lost IRQ Status                                   */
-#define	UCEIS		0x0100	/* Universal Counter Overflow IRQ Status                */
-#define	EXTIS		0x0200	/* External Trigger Output IRQ Status                   */
-#define	ADIS		0x0400	/* Access Denied IRQ Status                                             */
-
-/* CAN_GIF Masks															*/
-#define	EWTIF		0x0001	/* TX Error Count IRQ Flag                                              */
-#define	EWRIF		0x0002	/* RX Error Count IRQ Flag                                              */
-#define	EPIF		0x0004	/* Error-Passive Mode IRQ Flag                                  */
-#define	BOIF		0x0008	/* Bus Off IRQ Flag                                                             */
-#define	WUIF		0x0010	/* Wake-Up IRQ Flag                                                             */
-#define	UIAIF		0x0020	/* Access To Unimplemented Address IRQ Flag             */
-#define	AAIF		0x0040	/* Abort Acknowledge IRQ Flag                                   */
-#define	RMLIF		0x0080	/* RX Message Lost IRQ Flag                                             */
-#define	UCEIF		0x0100	/* Universal Counter Overflow IRQ Flag                  */
-#define	EXTIF		0x0200	/* External Trigger Output IRQ Flag                             */
-#define	ADIF		0x0400	/* Access Denied IRQ Flag                                               */
-
-/* CAN_UCCNF Masks															*/
-#define	UCCNF		0x000F	/* Universal Counter Mode                                               */
-#define UC_STAMP	0x0001	/*              Timestamp Mode                                                  */
-#define UC_WDOG		0x0002	/*              Watchdog Mode                                                   */
-#define UC_AUTOTX	0x0003	/*              Auto-Transmit Mode                                              */
-#define UC_ERROR	0x0006	/*              CAN Error Frame Count                                   */
-#define UC_OVER		0x0007	/*              CAN Overload Frame Count                                */
-#define UC_LOST		0x0008	/*              Arbitration Lost During TX Count                */
-#define UC_AA		0x0009	/*              TX Abort Count                                                  */
-#define UC_TA		0x000A	/*              TX Successful Count                                             */
-#define UC_REJECT	0x000B	/*              RX Message Rejected Count                               */
-#define UC_RML		0x000C	/*              RX Message Lost Count                                   */
-#define UC_RX		0x000D	/*              Total Successful RX Messages Count              */
-#define UC_RMP		0x000E	/*              Successful RX W/Matching ID Count               */
-#define UC_ALL		0x000F	/*              Correct Message On CAN Bus Line Count   */
-#define	UCRC		0x0020	/* Universal Counter Reload/Clear                               */
-#define	UCCT		0x0040	/* Universal Counter CAN Trigger                                */
-#define	UCE			0x0080	/* Universal Counter Enable                                             */
-
-/* CAN_ESR Masks										*/
-#define	ACKE		0x0004	/* Acknowledge Error            */
-#define	SER			0x0008	/* Stuff Error                          */
-#define	CRCE		0x0010	/* CRC Error                            */
-#define	SA0			0x0020	/* Stuck At Dominant Error      */
-#define	BEF			0x0040	/* Bit Error Flag                       */
-#define	FER			0x0080	/* Form Error Flag                      */
-
-/* CAN_EWR Masks												*/
-#define	EWLREC		0x00FF	/* RX Error Count Limit (For EWRIS)     */
-#define	EWLTEC		0xFF00	/* TX Error Count Limit (For EWTIS)     */
-
 /*  *******************  PIN CONTROL REGISTER MASKS  ************************/
 /* PORT_MUX Masks															*/
 #define	PJSE			0x0001	/* Port J SPI/SPORT Enable                      */
diff --git a/arch/blackfin/mach-bf538/include/mach/defBF539.h b/arch/blackfin/mach-bf538/include/mach/defBF539.h
index fac563e6f62..d7061d9f2a8 100644
--- a/arch/blackfin/mach-bf538/include/mach/defBF539.h
+++ b/arch/blackfin/mach-bf538/include/mach/defBF539.h
@@ -2418,625 +2418,4 @@
 #define	RCV_HALF	0x0004		/*		Receive	FIFO Has 1 Byte	To Read */
 #define	RCV_FULL	0x000C		/*		Receive	FIFO Full (2 Bytes To Read) */
 
-
-/* ************	 CONTROLLER AREA NETWORK (CAN) MASKS  ***************/
-/* CAN_CONTROL Masks					 */
-#define	SRS			0x0001	/* Software Reset */
-#define	DNM			0x0002	/* Device Net Mode */
-#define	ABO			0x0004	/* Auto-Bus On Enable */
-#define	WBA			0x0010	/* Wake-Up On CAN Bus Activity Enable */
-#define	SMR			0x0020	/* Sleep Mode Request */
-#define	CSR			0x0040	/* CAN Suspend Mode Request */
-#define	CCR			0x0080	/* CAN Configuration Mode Request */
-
-/* CAN_STATUS Masks					 */
-#define	WT			0x0001	/* TX Warning Flag */
-#define	WR			0x0002	/* RX Warning Flag */
-#define	EP			0x0004	/* Error Passive Mode */
-#define	EBO			0x0008	/* Error Bus Off Mode */
-#define	CSA			0x0040	/* Suspend Mode	Acknowledge */
-#define	CCA			0x0080	/* Configuration Mode Acknowledge */
-#define	MBPTR		0x1F00	/* Mailbox Pointer */
-#define	TRM			0x4000	/* Transmit Mode */
-#define	REC			0x8000	/* Receive Mode */
-
-/* CAN_CLOCK Masks		 */
-#define	BRP			0x03FF	/* Bit-Rate Pre-Scaler */
-
-/* CAN_TIMING Masks				 */
-#define	TSEG1		0x000F	/* Time	Segment	1 */
-#define	TSEG2		0x0070	/* Time	Segment	2 */
-#define	SAM			0x0080	/* Sampling */
-#define	SJW			0x0300	/* Synchronization Jump	Width */
-
-/* CAN_DEBUG Masks				 */
-#define	DEC			0x0001	/* Disable CAN Error Counters */
-#define	DRI			0x0002	/* Disable CAN RX Input */
-#define	DTO			0x0004	/* Disable CAN TX Output */
-#define	DIL			0x0008	/* Disable CAN Internal	Loop */
-#define	MAA			0x0010	/* Mode	Auto-Acknowledge Enable */
-#define	MRB			0x0020	/* Mode	Read Back Enable */
-#define	CDE			0x8000	/* CAN Debug Enable */
-
-/* CAN_CEC Masks			 */
-#define	RXECNT		0x00FF	/* Receive Error Counter */
-#define	TXECNT		0xFF00	/* Transmit Error Counter */
-
-/* CAN_INTR Masks				 */
-#define	MBRIRQ	0x0001	/* Mailbox Receive Interrupt */
-#define	MBRIF		MBRIRQ	/* legacy */
-#define	MBTIRQ	0x0002	/* Mailbox Transmit Interrupt */
-#define	MBTIF		MBTIRQ	/* legacy */
-#define	GIRQ		0x0004	/* Global Interrupt */
-#define	SMACK		0x0008	/* Sleep Mode Acknowledge */
-#define	CANTX		0x0040	/* CAN TX Bus Value */
-#define	CANRX		0x0080	/* CAN RX Bus Value */
-
-/* CAN_MBxx_ID1	and CAN_MBxx_ID0 Masks			 */
-#define	DFC			0xFFFF	/* Data	Filtering Code (If Enabled) (ID0) */
-#define	EXTID_LO	0xFFFF	/* Lower 16 Bits of Extended Identifier	(ID0) */
-#define	EXTID_HI	0x0003	/* Upper 2 Bits	of Extended Identifier (ID1) */
-#define	BASEID		0x1FFC	/* Base	Identifier	 */
-#define	IDE			0x2000	/* Identifier Extension */
-#define	RTR			0x4000	/* Remote Frame	Transmission Request */
-#define	AME			0x8000	/* Acceptance Mask Enable */
-
-/* CAN_MBxx_TIMESTAMP Masks */
-#define	TSV			0xFFFF	/* Timestamp */
-
-/* CAN_MBxx_LENGTH Masks */
-#define	DLC			0x000F	/* Data	Length Code */
-
-/* CAN_AMxxH and CAN_AMxxL Masks					 */
-#define	DFM			0xFFFF	/* Data	Field Mask (If Enabled)	(CAN_AMxxL) */
-#define	EXTID_LO	0xFFFF	/* Lower 16 Bits of Extended Identifier	(CAN_AMxxL) */
-#define	EXTID_HI	0x0003	/* Upper 2 Bits	of Extended Identifier (CAN_AMxxH) */
-#define	BASEID		0x1FFC	/* Base	Identifier		 */
-#define	AMIDE		0x2000	/* Acceptance Mask ID Extension	Enable */
-#define	FMD			0x4000	/* Full	Mask Data Field	Enable */
-#define	FDF			0x8000	/* Filter On Data Field	Enable */
-
-/* CAN_MC1 Masks		 */
-#define	MC0			0x0001	/* Enable Mailbox 0 */
-#define	MC1			0x0002	/* Enable Mailbox 1 */
-#define	MC2			0x0004	/* Enable Mailbox 2 */
-#define	MC3			0x0008	/* Enable Mailbox 3 */
-#define	MC4			0x0010	/* Enable Mailbox 4 */
-#define	MC5			0x0020	/* Enable Mailbox 5 */
-#define	MC6			0x0040	/* Enable Mailbox 6 */
-#define	MC7			0x0080	/* Enable Mailbox 7 */
-#define	MC8			0x0100	/* Enable Mailbox 8 */
-#define	MC9			0x0200	/* Enable Mailbox 9 */
-#define	MC10		0x0400	/* Enable Mailbox 10 */
-#define	MC11		0x0800	/* Enable Mailbox 11 */
-#define	MC12		0x1000	/* Enable Mailbox 12 */
-#define	MC13		0x2000	/* Enable Mailbox 13 */
-#define	MC14		0x4000	/* Enable Mailbox 14 */
-#define	MC15		0x8000	/* Enable Mailbox 15 */
-
-/* CAN_MC2 Masks		 */
-#define	MC16		0x0001	/* Enable Mailbox 16 */
-#define	MC17		0x0002	/* Enable Mailbox 17 */
-#define	MC18		0x0004	/* Enable Mailbox 18 */
-#define	MC19		0x0008	/* Enable Mailbox 19 */
-#define	MC20		0x0010	/* Enable Mailbox 20 */
-#define	MC21		0x0020	/* Enable Mailbox 21 */
-#define	MC22		0x0040	/* Enable Mailbox 22 */
-#define	MC23		0x0080	/* Enable Mailbox 23 */
-#define	MC24		0x0100	/* Enable Mailbox 24 */
-#define	MC25		0x0200	/* Enable Mailbox 25 */
-#define	MC26		0x0400	/* Enable Mailbox 26 */
-#define	MC27		0x0800	/* Enable Mailbox 27 */
-#define	MC28		0x1000	/* Enable Mailbox 28 */
-#define	MC29		0x2000	/* Enable Mailbox 29 */
-#define	MC30		0x4000	/* Enable Mailbox 30 */
-#define	MC31		0x8000	/* Enable Mailbox 31 */
-
-/* CAN_MD1 Masks					 */
-#define	MD0			0x0001	/* Enable Mailbox 0 For	Receive */
-#define	MD1			0x0002	/* Enable Mailbox 1 For	Receive */
-#define	MD2			0x0004	/* Enable Mailbox 2 For	Receive */
-#define	MD3			0x0008	/* Enable Mailbox 3 For	Receive */
-#define	MD4			0x0010	/* Enable Mailbox 4 For	Receive */
-#define	MD5			0x0020	/* Enable Mailbox 5 For	Receive */
-#define	MD6			0x0040	/* Enable Mailbox 6 For	Receive */
-#define	MD7			0x0080	/* Enable Mailbox 7 For	Receive */
-#define	MD8			0x0100	/* Enable Mailbox 8 For	Receive */
-#define	MD9			0x0200	/* Enable Mailbox 9 For	Receive */
-#define	MD10		0x0400	/* Enable Mailbox 10 For Receive */
-#define	MD11		0x0800	/* Enable Mailbox 11 For Receive */
-#define	MD12		0x1000	/* Enable Mailbox 12 For Receive */
-#define	MD13		0x2000	/* Enable Mailbox 13 For Receive */
-#define	MD14		0x4000	/* Enable Mailbox 14 For Receive */
-#define	MD15		0x8000	/* Enable Mailbox 15 For Receive */
-
-/* CAN_MD2 Masks					 */
-#define	MD16		0x0001	/* Enable Mailbox 16 For Receive */
-#define	MD17		0x0002	/* Enable Mailbox 17 For Receive */
-#define	MD18		0x0004	/* Enable Mailbox 18 For Receive */
-#define	MD19		0x0008	/* Enable Mailbox 19 For Receive */
-#define	MD20		0x0010	/* Enable Mailbox 20 For Receive */
-#define	MD21		0x0020	/* Enable Mailbox 21 For Receive */
-#define	MD22		0x0040	/* Enable Mailbox 22 For Receive */
-#define	MD23		0x0080	/* Enable Mailbox 23 For Receive */
-#define	MD24		0x0100	/* Enable Mailbox 24 For Receive */
-#define	MD25		0x0200	/* Enable Mailbox 25 For Receive */
-#define	MD26		0x0400	/* Enable Mailbox 26 For Receive */
-#define	MD27		0x0800	/* Enable Mailbox 27 For Receive */
-#define	MD28		0x1000	/* Enable Mailbox 28 For Receive */
-#define	MD29		0x2000	/* Enable Mailbox 29 For Receive */
-#define	MD30		0x4000	/* Enable Mailbox 30 For Receive */
-#define	MD31		0x8000	/* Enable Mailbox 31 For Receive */
-
-/* CAN_RMP1 Masks					 */
-#define	RMP0		0x0001	/* RX Message Pending In Mailbox 0 */
-#define	RMP1		0x0002	/* RX Message Pending In Mailbox 1 */
-#define	RMP2		0x0004	/* RX Message Pending In Mailbox 2 */
-#define	RMP3		0x0008	/* RX Message Pending In Mailbox 3 */
-#define	RMP4		0x0010	/* RX Message Pending In Mailbox 4 */
-#define	RMP5		0x0020	/* RX Message Pending In Mailbox 5 */
-#define	RMP6		0x0040	/* RX Message Pending In Mailbox 6 */
-#define	RMP7		0x0080	/* RX Message Pending In Mailbox 7 */
-#define	RMP8		0x0100	/* RX Message Pending In Mailbox 8 */
-#define	RMP9		0x0200	/* RX Message Pending In Mailbox 9 */
-#define	RMP10		0x0400	/* RX Message Pending In Mailbox 10 */
-#define	RMP11		0x0800	/* RX Message Pending In Mailbox 11 */
-#define	RMP12		0x1000	/* RX Message Pending In Mailbox 12 */
-#define	RMP13		0x2000	/* RX Message Pending In Mailbox 13 */
-#define	RMP14		0x4000	/* RX Message Pending In Mailbox 14 */
-#define	RMP15		0x8000	/* RX Message Pending In Mailbox 15 */
-
-/* CAN_RMP2 Masks					 */
-#define	RMP16		0x0001	/* RX Message Pending In Mailbox 16 */
-#define	RMP17		0x0002	/* RX Message Pending In Mailbox 17 */
-#define	RMP18		0x0004	/* RX Message Pending In Mailbox 18 */
-#define	RMP19		0x0008	/* RX Message Pending In Mailbox 19 */
-#define	RMP20		0x0010	/* RX Message Pending In Mailbox 20 */
-#define	RMP21		0x0020	/* RX Message Pending In Mailbox 21 */
-#define	RMP22		0x0040	/* RX Message Pending In Mailbox 22 */
-#define	RMP23		0x0080	/* RX Message Pending In Mailbox 23 */
-#define	RMP24		0x0100	/* RX Message Pending In Mailbox 24 */
-#define	RMP25		0x0200	/* RX Message Pending In Mailbox 25 */
-#define	RMP26		0x0400	/* RX Message Pending In Mailbox 26 */
-#define	RMP27		0x0800	/* RX Message Pending In Mailbox 27 */
-#define	RMP28		0x1000	/* RX Message Pending In Mailbox 28 */
-#define	RMP29		0x2000	/* RX Message Pending In Mailbox 29 */
-#define	RMP30		0x4000	/* RX Message Pending In Mailbox 30 */
-#define	RMP31		0x8000	/* RX Message Pending In Mailbox 31 */
-
-/* CAN_RML1 Masks					 */
-#define	RML0		0x0001	/* RX Message Lost In Mailbox 0 */
-#define	RML1		0x0002	/* RX Message Lost In Mailbox 1 */
-#define	RML2		0x0004	/* RX Message Lost In Mailbox 2 */
-#define	RML3		0x0008	/* RX Message Lost In Mailbox 3 */
-#define	RML4		0x0010	/* RX Message Lost In Mailbox 4 */
-#define	RML5		0x0020	/* RX Message Lost In Mailbox 5 */
-#define	RML6		0x0040	/* RX Message Lost In Mailbox 6 */
-#define	RML7		0x0080	/* RX Message Lost In Mailbox 7 */
-#define	RML8		0x0100	/* RX Message Lost In Mailbox 8 */
-#define	RML9		0x0200	/* RX Message Lost In Mailbox 9 */
-#define	RML10		0x0400	/* RX Message Lost In Mailbox 10 */
-#define	RML11		0x0800	/* RX Message Lost In Mailbox 11 */
-#define	RML12		0x1000	/* RX Message Lost In Mailbox 12 */
-#define	RML13		0x2000	/* RX Message Lost In Mailbox 13 */
-#define	RML14		0x4000	/* RX Message Lost In Mailbox 14 */
-#define	RML15		0x8000	/* RX Message Lost In Mailbox 15 */
-
-/* CAN_RML2 Masks					 */
-#define	RML16		0x0001	/* RX Message Lost In Mailbox 16 */
-#define	RML17		0x0002	/* RX Message Lost In Mailbox 17 */
-#define	RML18		0x0004	/* RX Message Lost In Mailbox 18 */
-#define	RML19		0x0008	/* RX Message Lost In Mailbox 19 */
-#define	RML20		0x0010	/* RX Message Lost In Mailbox 20 */
-#define	RML21		0x0020	/* RX Message Lost In Mailbox 21 */
-#define	RML22		0x0040	/* RX Message Lost In Mailbox 22 */
-#define	RML23		0x0080	/* RX Message Lost In Mailbox 23 */
-#define	RML24		0x0100	/* RX Message Lost In Mailbox 24 */
-#define	RML25		0x0200	/* RX Message Lost In Mailbox 25 */
-#define	RML26		0x0400	/* RX Message Lost In Mailbox 26 */
-#define	RML27		0x0800	/* RX Message Lost In Mailbox 27 */
-#define	RML28		0x1000	/* RX Message Lost In Mailbox 28 */
-#define	RML29		0x2000	/* RX Message Lost In Mailbox 29 */
-#define	RML30		0x4000	/* RX Message Lost In Mailbox 30 */
-#define	RML31		0x8000	/* RX Message Lost In Mailbox 31 */
-
-/* CAN_OPSS1 Masks													 */
-#define	OPSS0		0x0001	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	0 */
-#define	OPSS1		0x0002	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	1 */
-#define	OPSS2		0x0004	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	2 */
-#define	OPSS3		0x0008	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	3 */
-#define	OPSS4		0x0010	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	4 */
-#define	OPSS5		0x0020	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	5 */
-#define	OPSS6		0x0040	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	6 */
-#define	OPSS7		0x0080	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	7 */
-#define	OPSS8		0x0100	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	8 */
-#define	OPSS9		0x0200	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	9 */
-#define	OPSS10		0x0400	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	10 */
-#define	OPSS11		0x0800	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	11 */
-#define	OPSS12		0x1000	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	12 */
-#define	OPSS13		0x2000	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	13 */
-#define	OPSS14		0x4000	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	14 */
-#define	OPSS15		0x8000	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	15 */
-
-/* CAN_OPSS2 Masks													 */
-#define	OPSS16		0x0001	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	16 */
-#define	OPSS17		0x0002	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	17 */
-#define	OPSS18		0x0004	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	18 */
-#define	OPSS19		0x0008	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	19 */
-#define	OPSS20		0x0010	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	20 */
-#define	OPSS21		0x0020	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	21 */
-#define	OPSS22		0x0040	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	22 */
-#define	OPSS23		0x0080	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	23 */
-#define	OPSS24		0x0100	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	24 */
-#define	OPSS25		0x0200	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	25 */
-#define	OPSS26		0x0400	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	26 */
-#define	OPSS27		0x0800	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	27 */
-#define	OPSS28		0x1000	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	28 */
-#define	OPSS29		0x2000	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	29 */
-#define	OPSS30		0x4000	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	30 */
-#define	OPSS31		0x8000	/* Enable RX Overwrite Protection or TX	Single-Shot For	Mailbox	31 */
-
-/* CAN_TRR1 Masks							 */
-#define	TRR0		0x0001	/* Deny	But Don't Lock Access To Mailbox 0 */
-#define	TRR1		0x0002	/* Deny	But Don't Lock Access To Mailbox 1 */
-#define	TRR2		0x0004	/* Deny	But Don't Lock Access To Mailbox 2 */
-#define	TRR3		0x0008	/* Deny	But Don't Lock Access To Mailbox 3 */
-#define	TRR4		0x0010	/* Deny	But Don't Lock Access To Mailbox 4 */
-#define	TRR5		0x0020	/* Deny	But Don't Lock Access To Mailbox 5 */
-#define	TRR6		0x0040	/* Deny	But Don't Lock Access To Mailbox 6 */
-#define	TRR7		0x0080	/* Deny	But Don't Lock Access To Mailbox 7 */
-#define	TRR8		0x0100	/* Deny	But Don't Lock Access To Mailbox 8 */
-#define	TRR9		0x0200	/* Deny	But Don't Lock Access To Mailbox 9 */
-#define	TRR10		0x0400	/* Deny	But Don't Lock Access To Mailbox 10 */
-#define	TRR11		0x0800	/* Deny	But Don't Lock Access To Mailbox 11 */
-#define	TRR12		0x1000	/* Deny	But Don't Lock Access To Mailbox 12 */
-#define	TRR13		0x2000	/* Deny	But Don't Lock Access To Mailbox 13 */
-#define	TRR14		0x4000	/* Deny	But Don't Lock Access To Mailbox 14 */
-#define	TRR15		0x8000	/* Deny	But Don't Lock Access To Mailbox 15 */
-
-/* CAN_TRR2 Masks							 */
-#define	TRR16		0x0001	/* Deny	But Don't Lock Access To Mailbox 16 */
-#define	TRR17		0x0002	/* Deny	But Don't Lock Access To Mailbox 17 */
-#define	TRR18		0x0004	/* Deny	But Don't Lock Access To Mailbox 18 */
-#define	TRR19		0x0008	/* Deny	But Don't Lock Access To Mailbox 19 */
-#define	TRR20		0x0010	/* Deny	But Don't Lock Access To Mailbox 20 */
-#define	TRR21		0x0020	/* Deny	But Don't Lock Access To Mailbox 21 */
-#define	TRR22		0x0040	/* Deny	But Don't Lock Access To Mailbox 22 */
-#define	TRR23		0x0080	/* Deny	But Don't Lock Access To Mailbox 23 */
-#define	TRR24		0x0100	/* Deny	But Don't Lock Access To Mailbox 24 */
-#define	TRR25		0x0200	/* Deny	But Don't Lock Access To Mailbox 25 */
-#define	TRR26		0x0400	/* Deny	But Don't Lock Access To Mailbox 26 */
-#define	TRR27		0x0800	/* Deny	But Don't Lock Access To Mailbox 27 */
-#define	TRR28		0x1000	/* Deny	But Don't Lock Access To Mailbox 28 */
-#define	TRR29		0x2000	/* Deny	But Don't Lock Access To Mailbox 29 */
-#define	TRR30		0x4000	/* Deny	But Don't Lock Access To Mailbox 30 */
-#define	TRR31		0x8000	/* Deny	But Don't Lock Access To Mailbox 31 */
-
-/* CAN_TRS1 Masks						 */
-#define	TRS0		0x0001	/* Remote Frame	Request	For Mailbox 0 */
-#define	TRS1		0x0002	/* Remote Frame	Request	For Mailbox 1 */
-#define	TRS2		0x0004	/* Remote Frame	Request	For Mailbox 2 */
-#define	TRS3		0x0008	/* Remote Frame	Request	For Mailbox 3 */
-#define	TRS4		0x0010	/* Remote Frame	Request	For Mailbox 4 */
-#define	TRS5		0x0020	/* Remote Frame	Request	For Mailbox 5 */
-#define	TRS6		0x0040	/* Remote Frame	Request	For Mailbox 6 */
-#define	TRS7		0x0080	/* Remote Frame	Request	For Mailbox 7 */
-#define	TRS8		0x0100	/* Remote Frame	Request	For Mailbox 8 */
-#define	TRS9		0x0200	/* Remote Frame	Request	For Mailbox 9 */
-#define	TRS10		0x0400	/* Remote Frame	Request	For Mailbox 10 */
-#define	TRS11		0x0800	/* Remote Frame	Request	For Mailbox 11 */
-#define	TRS12		0x1000	/* Remote Frame	Request	For Mailbox 12 */
-#define	TRS13		0x2000	/* Remote Frame	Request	For Mailbox 13 */
-#define	TRS14		0x4000	/* Remote Frame	Request	For Mailbox 14 */
-#define	TRS15		0x8000	/* Remote Frame	Request	For Mailbox 15 */
-
-/* CAN_TRS2 Masks						 */
-#define	TRS16		0x0001	/* Remote Frame	Request	For Mailbox 16 */
-#define	TRS17		0x0002	/* Remote Frame	Request	For Mailbox 17 */
-#define	TRS18		0x0004	/* Remote Frame	Request	For Mailbox 18 */
-#define	TRS19		0x0008	/* Remote Frame	Request	For Mailbox 19 */
-#define	TRS20		0x0010	/* Remote Frame	Request	For Mailbox 20 */
-#define	TRS21		0x0020	/* Remote Frame	Request	For Mailbox 21 */
-#define	TRS22		0x0040	/* Remote Frame	Request	For Mailbox 22 */
-#define	TRS23		0x0080	/* Remote Frame	Request	For Mailbox 23 */
-#define	TRS24		0x0100	/* Remote Frame	Request	For Mailbox 24 */
-#define	TRS25		0x0200	/* Remote Frame	Request	For Mailbox 25 */
-#define	TRS26		0x0400	/* Remote Frame	Request	For Mailbox 26 */
-#define	TRS27		0x0800	/* Remote Frame	Request	For Mailbox 27 */
-#define	TRS28		0x1000	/* Remote Frame	Request	For Mailbox 28 */
-#define	TRS29		0x2000	/* Remote Frame	Request	For Mailbox 29 */
-#define	TRS30		0x4000	/* Remote Frame	Request	For Mailbox 30 */
-#define	TRS31		0x8000	/* Remote Frame	Request	For Mailbox 31 */
-
-/* CAN_AA1 Masks					 */
-#define	AA0			0x0001	/* Aborted Message In Mailbox 0 */
-#define	AA1			0x0002	/* Aborted Message In Mailbox 1 */
-#define	AA2			0x0004	/* Aborted Message In Mailbox 2 */
-#define	AA3			0x0008	/* Aborted Message In Mailbox 3 */
-#define	AA4			0x0010	/* Aborted Message In Mailbox 4 */
-#define	AA5			0x0020	/* Aborted Message In Mailbox 5 */
-#define	AA6			0x0040	/* Aborted Message In Mailbox 6 */
-#define	AA7			0x0080	/* Aborted Message In Mailbox 7 */
-#define	AA8			0x0100	/* Aborted Message In Mailbox 8 */
-#define	AA9			0x0200	/* Aborted Message In Mailbox 9 */
-#define	AA10		0x0400	/* Aborted Message In Mailbox 10 */
-#define	AA11		0x0800	/* Aborted Message In Mailbox 11 */
-#define	AA12		0x1000	/* Aborted Message In Mailbox 12 */
-#define	AA13		0x2000	/* Aborted Message In Mailbox 13 */
-#define	AA14		0x4000	/* Aborted Message In Mailbox 14 */
-#define	AA15		0x8000	/* Aborted Message In Mailbox 15 */
-
-/* CAN_AA2 Masks					 */
-#define	AA16		0x0001	/* Aborted Message In Mailbox 16 */
-#define	AA17		0x0002	/* Aborted Message In Mailbox 17 */
-#define	AA18		0x0004	/* Aborted Message In Mailbox 18 */
-#define	AA19		0x0008	/* Aborted Message In Mailbox 19 */
-#define	AA20		0x0010	/* Aborted Message In Mailbox 20 */
-#define	AA21		0x0020	/* Aborted Message In Mailbox 21 */
-#define	AA22		0x0040	/* Aborted Message In Mailbox 22 */
-#define	AA23		0x0080	/* Aborted Message In Mailbox 23 */
-#define	AA24		0x0100	/* Aborted Message In Mailbox 24 */
-#define	AA25		0x0200	/* Aborted Message In Mailbox 25 */
-#define	AA26		0x0400	/* Aborted Message In Mailbox 26 */
-#define	AA27		0x0800	/* Aborted Message In Mailbox 27 */
-#define	AA28		0x1000	/* Aborted Message In Mailbox 28 */
-#define	AA29		0x2000	/* Aborted Message In Mailbox 29 */
-#define	AA30		0x4000	/* Aborted Message In Mailbox 30 */
-#define	AA31		0x8000	/* Aborted Message In Mailbox 31 */
-
-/* CAN_TA1 Masks						 */
-#define	TA0			0x0001	/* Transmit Successful From Mailbox 0 */
-#define	TA1			0x0002	/* Transmit Successful From Mailbox 1 */
-#define	TA2			0x0004	/* Transmit Successful From Mailbox 2 */
-#define	TA3			0x0008	/* Transmit Successful From Mailbox 3 */
-#define	TA4			0x0010	/* Transmit Successful From Mailbox 4 */
-#define	TA5			0x0020	/* Transmit Successful From Mailbox 5 */
-#define	TA6			0x0040	/* Transmit Successful From Mailbox 6 */
-#define	TA7			0x0080	/* Transmit Successful From Mailbox 7 */
-#define	TA8			0x0100	/* Transmit Successful From Mailbox 8 */
-#define	TA9			0x0200	/* Transmit Successful From Mailbox 9 */
-#define	TA10		0x0400	/* Transmit Successful From Mailbox 10 */
-#define	TA11		0x0800	/* Transmit Successful From Mailbox 11 */
-#define	TA12		0x1000	/* Transmit Successful From Mailbox 12 */
-#define	TA13		0x2000	/* Transmit Successful From Mailbox 13 */
-#define	TA14		0x4000	/* Transmit Successful From Mailbox 14 */
-#define	TA15		0x8000	/* Transmit Successful From Mailbox 15 */
-
-/* CAN_TA2 Masks						 */
-#define	TA16		0x0001	/* Transmit Successful From Mailbox 16 */
-#define	TA17		0x0002	/* Transmit Successful From Mailbox 17 */
-#define	TA18		0x0004	/* Transmit Successful From Mailbox 18 */
-#define	TA19		0x0008	/* Transmit Successful From Mailbox 19 */
-#define	TA20		0x0010	/* Transmit Successful From Mailbox 20 */
-#define	TA21		0x0020	/* Transmit Successful From Mailbox 21 */
-#define	TA22		0x0040	/* Transmit Successful From Mailbox 22 */
-#define	TA23		0x0080	/* Transmit Successful From Mailbox 23 */
-#define	TA24		0x0100	/* Transmit Successful From Mailbox 24 */
-#define	TA25		0x0200	/* Transmit Successful From Mailbox 25 */
-#define	TA26		0x0400	/* Transmit Successful From Mailbox 26 */
-#define	TA27		0x0800	/* Transmit Successful From Mailbox 27 */
-#define	TA28		0x1000	/* Transmit Successful From Mailbox 28 */
-#define	TA29		0x2000	/* Transmit Successful From Mailbox 29 */
-#define	TA30		0x4000	/* Transmit Successful From Mailbox 30 */
-#define	TA31		0x8000	/* Transmit Successful From Mailbox 31 */
-
-/* CAN_MBTD Masks					 */
-#define	TDPTR		0x001F	/* Mailbox To Temporarily Disable */
-#define	TDA			0x0040	/* Temporary Disable Acknowledge */
-#define	TDR			0x0080	/* Temporary Disable Request */
-
-/* CAN_RFH1 Masks											 */
-#define	RFH0		0x0001	/* Enable Automatic Remote Frame Handling For Mailbox 0 */
-#define	RFH1		0x0002	/* Enable Automatic Remote Frame Handling For Mailbox 1 */
-#define	RFH2		0x0004	/* Enable Automatic Remote Frame Handling For Mailbox 2 */
-#define	RFH3		0x0008	/* Enable Automatic Remote Frame Handling For Mailbox 3 */
-#define	RFH4		0x0010	/* Enable Automatic Remote Frame Handling For Mailbox 4 */
-#define	RFH5		0x0020	/* Enable Automatic Remote Frame Handling For Mailbox 5 */
-#define	RFH6		0x0040	/* Enable Automatic Remote Frame Handling For Mailbox 6 */
-#define	RFH7		0x0080	/* Enable Automatic Remote Frame Handling For Mailbox 7 */
-#define	RFH8		0x0100	/* Enable Automatic Remote Frame Handling For Mailbox 8 */
-#define	RFH9		0x0200	/* Enable Automatic Remote Frame Handling For Mailbox 9 */
-#define	RFH10		0x0400	/* Enable Automatic Remote Frame Handling For Mailbox 10 */
-#define	RFH11		0x0800	/* Enable Automatic Remote Frame Handling For Mailbox 11 */
-#define	RFH12		0x1000	/* Enable Automatic Remote Frame Handling For Mailbox 12 */
-#define	RFH13		0x2000	/* Enable Automatic Remote Frame Handling For Mailbox 13 */
-#define	RFH14		0x4000	/* Enable Automatic Remote Frame Handling For Mailbox 14 */
-#define	RFH15		0x8000	/* Enable Automatic Remote Frame Handling For Mailbox 15 */
-
-/* CAN_RFH2 Masks											 */
-#define	RFH16		0x0001	/* Enable Automatic Remote Frame Handling For Mailbox 16 */
-#define	RFH17		0x0002	/* Enable Automatic Remote Frame Handling For Mailbox 17 */
-#define	RFH18		0x0004	/* Enable Automatic Remote Frame Handling For Mailbox 18 */
-#define	RFH19		0x0008	/* Enable Automatic Remote Frame Handling For Mailbox 19 */
-#define	RFH20		0x0010	/* Enable Automatic Remote Frame Handling For Mailbox 20 */
-#define	RFH21		0x0020	/* Enable Automatic Remote Frame Handling For Mailbox 21 */
-#define	RFH22		0x0040	/* Enable Automatic Remote Frame Handling For Mailbox 22 */
-#define	RFH23		0x0080	/* Enable Automatic Remote Frame Handling For Mailbox 23 */
-#define	RFH24		0x0100	/* Enable Automatic Remote Frame Handling For Mailbox 24 */
-#define	RFH25		0x0200	/* Enable Automatic Remote Frame Handling For Mailbox 25 */
-#define	RFH26		0x0400	/* Enable Automatic Remote Frame Handling For Mailbox 26 */
-#define	RFH27		0x0800	/* Enable Automatic Remote Frame Handling For Mailbox 27 */
-#define	RFH28		0x1000	/* Enable Automatic Remote Frame Handling For Mailbox 28 */
-#define	RFH29		0x2000	/* Enable Automatic Remote Frame Handling For Mailbox 29 */
-#define	RFH30		0x4000	/* Enable Automatic Remote Frame Handling For Mailbox 30 */
-#define	RFH31		0x8000	/* Enable Automatic Remote Frame Handling For Mailbox 31 */
-
-/* CAN_MBTIF1 Masks						 */
-#define	MBTIF0		0x0001	/* TX Interrupt	Active In Mailbox 0 */
-#define	MBTIF1		0x0002	/* TX Interrupt	Active In Mailbox 1 */
-#define	MBTIF2		0x0004	/* TX Interrupt	Active In Mailbox 2 */
-#define	MBTIF3		0x0008	/* TX Interrupt	Active In Mailbox 3 */
-#define	MBTIF4		0x0010	/* TX Interrupt	Active In Mailbox 4 */
-#define	MBTIF5		0x0020	/* TX Interrupt	Active In Mailbox 5 */
-#define	MBTIF6		0x0040	/* TX Interrupt	Active In Mailbox 6 */
-#define	MBTIF7		0x0080	/* TX Interrupt	Active In Mailbox 7 */
-#define	MBTIF8		0x0100	/* TX Interrupt	Active In Mailbox 8 */
-#define	MBTIF9		0x0200	/* TX Interrupt	Active In Mailbox 9 */
-#define	MBTIF10		0x0400	/* TX Interrupt	Active In Mailbox 10 */
-#define	MBTIF11		0x0800	/* TX Interrupt	Active In Mailbox 11 */
-#define	MBTIF12		0x1000	/* TX Interrupt	Active In Mailbox 12 */
-#define	MBTIF13		0x2000	/* TX Interrupt	Active In Mailbox 13 */
-#define	MBTIF14		0x4000	/* TX Interrupt	Active In Mailbox 14 */
-#define	MBTIF15		0x8000	/* TX Interrupt	Active In Mailbox 15 */
-
-/* CAN_MBTIF2 Masks						 */
-#define	MBTIF16		0x0001	/* TX Interrupt	Active In Mailbox 16 */
-#define	MBTIF17		0x0002	/* TX Interrupt	Active In Mailbox 17 */
-#define	MBTIF18		0x0004	/* TX Interrupt	Active In Mailbox 18 */
-#define	MBTIF19		0x0008	/* TX Interrupt	Active In Mailbox 19 */
-#define	MBTIF20		0x0010	/* TX Interrupt	Active In Mailbox 20 */
-#define	MBTIF21		0x0020	/* TX Interrupt	Active In Mailbox 21 */
-#define	MBTIF22		0x0040	/* TX Interrupt	Active In Mailbox 22 */
-#define	MBTIF23		0x0080	/* TX Interrupt	Active In Mailbox 23 */
-#define	MBTIF24		0x0100	/* TX Interrupt	Active In Mailbox 24 */
-#define	MBTIF25		0x0200	/* TX Interrupt	Active In Mailbox 25 */
-#define	MBTIF26		0x0400	/* TX Interrupt	Active In Mailbox 26 */
-#define	MBTIF27		0x0800	/* TX Interrupt	Active In Mailbox 27 */
-#define	MBTIF28		0x1000	/* TX Interrupt	Active In Mailbox 28 */
-#define	MBTIF29		0x2000	/* TX Interrupt	Active In Mailbox 29 */
-#define	MBTIF30		0x4000	/* TX Interrupt	Active In Mailbox 30 */
-#define	MBTIF31		0x8000	/* TX Interrupt	Active In Mailbox 31 */
-
-/* CAN_MBRIF1 Masks						 */
-#define	MBRIF0		0x0001	/* RX Interrupt	Active In Mailbox 0 */
-#define	MBRIF1		0x0002	/* RX Interrupt	Active In Mailbox 1 */
-#define	MBRIF2		0x0004	/* RX Interrupt	Active In Mailbox 2 */
-#define	MBRIF3		0x0008	/* RX Interrupt	Active In Mailbox 3 */
-#define	MBRIF4		0x0010	/* RX Interrupt	Active In Mailbox 4 */
-#define	MBRIF5		0x0020	/* RX Interrupt	Active In Mailbox 5 */
-#define	MBRIF6		0x0040	/* RX Interrupt	Active In Mailbox 6 */
-#define	MBRIF7		0x0080	/* RX Interrupt	Active In Mailbox 7 */
-#define	MBRIF8		0x0100	/* RX Interrupt	Active In Mailbox 8 */
-#define	MBRIF9		0x0200	/* RX Interrupt	Active In Mailbox 9 */
-#define	MBRIF10		0x0400	/* RX Interrupt	Active In Mailbox 10 */
-#define	MBRIF11		0x0800	/* RX Interrupt	Active In Mailbox 11 */
-#define	MBRIF12		0x1000	/* RX Interrupt	Active In Mailbox 12 */
-#define	MBRIF13		0x2000	/* RX Interrupt	Active In Mailbox 13 */
-#define	MBRIF14		0x4000	/* RX Interrupt	Active In Mailbox 14 */
-#define	MBRIF15		0x8000	/* RX Interrupt	Active In Mailbox 15 */
-
-/* CAN_MBRIF2 Masks						 */
-#define	MBRIF16		0x0001	/* RX Interrupt	Active In Mailbox 16 */
-#define	MBRIF17		0x0002	/* RX Interrupt	Active In Mailbox 17 */
-#define	MBRIF18		0x0004	/* RX Interrupt	Active In Mailbox 18 */
-#define	MBRIF19		0x0008	/* RX Interrupt	Active In Mailbox 19 */
-#define	MBRIF20		0x0010	/* RX Interrupt	Active In Mailbox 20 */
-#define	MBRIF21		0x0020	/* RX Interrupt	Active In Mailbox 21 */
-#define	MBRIF22		0x0040	/* RX Interrupt	Active In Mailbox 22 */
-#define	MBRIF23		0x0080	/* RX Interrupt	Active In Mailbox 23 */
-#define	MBRIF24		0x0100	/* RX Interrupt	Active In Mailbox 24 */
-#define	MBRIF25		0x0200	/* RX Interrupt	Active In Mailbox 25 */
-#define	MBRIF26		0x0400	/* RX Interrupt	Active In Mailbox 26 */
-#define	MBRIF27		0x0800	/* RX Interrupt	Active In Mailbox 27 */
-#define	MBRIF28		0x1000	/* RX Interrupt	Active In Mailbox 28 */
-#define	MBRIF29		0x2000	/* RX Interrupt	Active In Mailbox 29 */
-#define	MBRIF30		0x4000	/* RX Interrupt	Active In Mailbox 30 */
-#define	MBRIF31		0x8000	/* RX Interrupt	Active In Mailbox 31 */
-
-/* CAN_MBIM1 Masks					 */
-#define	MBIM0		0x0001	/* Enable Interrupt For	Mailbox	0 */
-#define	MBIM1		0x0002	/* Enable Interrupt For	Mailbox	1 */
-#define	MBIM2		0x0004	/* Enable Interrupt For	Mailbox	2 */
-#define	MBIM3		0x0008	/* Enable Interrupt For	Mailbox	3 */
-#define	MBIM4		0x0010	/* Enable Interrupt For	Mailbox	4 */
-#define	MBIM5		0x0020	/* Enable Interrupt For	Mailbox	5 */
-#define	MBIM6		0x0040	/* Enable Interrupt For	Mailbox	6 */
-#define	MBIM7		0x0080	/* Enable Interrupt For	Mailbox	7 */
-#define	MBIM8		0x0100	/* Enable Interrupt For	Mailbox	8 */
-#define	MBIM9		0x0200	/* Enable Interrupt For	Mailbox	9 */
-#define	MBIM10		0x0400	/* Enable Interrupt For	Mailbox	10 */
-#define	MBIM11		0x0800	/* Enable Interrupt For	Mailbox	11 */
-#define	MBIM12		0x1000	/* Enable Interrupt For	Mailbox	12 */
-#define	MBIM13		0x2000	/* Enable Interrupt For	Mailbox	13 */
-#define	MBIM14		0x4000	/* Enable Interrupt For	Mailbox	14 */
-#define	MBIM15		0x8000	/* Enable Interrupt For	Mailbox	15 */
-
-/* CAN_MBIM2 Masks					 */
-#define	MBIM16		0x0001	/* Enable Interrupt For	Mailbox	16 */
-#define	MBIM17		0x0002	/* Enable Interrupt For	Mailbox	17 */
-#define	MBIM18		0x0004	/* Enable Interrupt For	Mailbox	18 */
-#define	MBIM19		0x0008	/* Enable Interrupt For	Mailbox	19 */
-#define	MBIM20		0x0010	/* Enable Interrupt For	Mailbox	20 */
-#define	MBIM21		0x0020	/* Enable Interrupt For	Mailbox	21 */
-#define	MBIM22		0x0040	/* Enable Interrupt For	Mailbox	22 */
-#define	MBIM23		0x0080	/* Enable Interrupt For	Mailbox	23 */
-#define	MBIM24		0x0100	/* Enable Interrupt For	Mailbox	24 */
-#define	MBIM25		0x0200	/* Enable Interrupt For	Mailbox	25 */
-#define	MBIM26		0x0400	/* Enable Interrupt For	Mailbox	26 */
-#define	MBIM27		0x0800	/* Enable Interrupt For	Mailbox	27 */
-#define	MBIM28		0x1000	/* Enable Interrupt For	Mailbox	28 */
-#define	MBIM29		0x2000	/* Enable Interrupt For	Mailbox	29 */
-#define	MBIM30		0x4000	/* Enable Interrupt For	Mailbox	30 */
-#define	MBIM31		0x8000	/* Enable Interrupt For	Mailbox	31 */
-
-/* CAN_GIM Masks									 */
-#define	EWTIM		0x0001	/* Enable TX Error Count Interrupt */
-#define	EWRIM		0x0002	/* Enable RX Error Count Interrupt */
-#define	EPIM		0x0004	/* Enable Error-Passive	Mode Interrupt */
-#define	BOIM		0x0008	/* Enable Bus Off Interrupt */
-#define	WUIM		0x0010	/* Enable Wake-Up Interrupt */
-#define	UIAIM		0x0020	/* Enable Access To Unimplemented Address Interrupt */
-#define	AAIM		0x0040	/* Enable Abort	Acknowledge Interrupt */
-#define	RMLIM		0x0080	/* Enable RX Message Lost Interrupt */
-#define	UCEIM		0x0100	/* Enable Universal Counter Overflow Interrupt */
-#define	EXTIM		0x0200	/* Enable External Trigger Output Interrupt */
-#define	ADIM		0x0400	/* Enable Access Denied	Interrupt */
-
-/* CAN_GIS Masks								 */
-#define	EWTIS		0x0001	/* TX Error Count IRQ Status */
-#define	EWRIS		0x0002	/* RX Error Count IRQ Status */
-#define	EPIS		0x0004	/* Error-Passive Mode IRQ Status */
-#define	BOIS		0x0008	/* Bus Off IRQ Status */
-#define	WUIS		0x0010	/* Wake-Up IRQ Status */
-#define	UIAIS		0x0020	/* Access To Unimplemented Address IRQ Status */
-#define	AAIS		0x0040	/* Abort Acknowledge IRQ Status */
-#define	RMLIS		0x0080	/* RX Message Lost IRQ Status */
-#define	UCEIS		0x0100	/* Universal Counter Overflow IRQ Status */
-#define	EXTIS		0x0200	/* External Trigger Output IRQ Status */
-#define	ADIS		0x0400	/* Access Denied IRQ Status */
-
-/* CAN_GIF Masks								 */
-#define	EWTIF		0x0001	/* TX Error Count IRQ Flag */
-#define	EWRIF		0x0002	/* RX Error Count IRQ Flag */
-#define	EPIF		0x0004	/* Error-Passive Mode IRQ Flag */
-#define	BOIF		0x0008	/* Bus Off IRQ Flag	 */
-#define	WUIF		0x0010	/* Wake-Up IRQ Flag	 */
-#define	UIAIF		0x0020	/* Access To Unimplemented Address IRQ Flag */
-#define	AAIF		0x0040	/* Abort Acknowledge IRQ Flag */
-#define	RMLIF		0x0080	/* RX Message Lost IRQ Flag */
-#define	UCEIF		0x0100	/* Universal Counter Overflow IRQ Flag */
-#define	EXTIF		0x0200	/* External Trigger Output IRQ Flag */
-#define	ADIF		0x0400	/* Access Denied IRQ Flag */
-
-/* CAN_UCCNF Masks								 */
-#define	UCCNF		0x000F	/* Universal Counter Mode */
-#define	UC_STAMP	0x0001	/*		Timestamp Mode */
-#define	UC_WDOG		0x0002	/*		Watchdog Mode */
-#define	UC_AUTOTX	0x0003	/*		Auto-Transmit Mode */
-#define	UC_ERROR	0x0006	/*		CAN Error Frame	Count */
-#define	UC_OVER		0x0007	/*		CAN Overload Frame Count */
-#define	UC_LOST		0x0008	/*		Arbitration Lost During	TX Count */
-#define	UC_AA		0x0009	/*		TX Abort Count */
-#define	UC_TA		0x000A	/*		TX Successful Count */
-#define	UC_REJECT	0x000B	/*		RX Message Rejected Count */
-#define	UC_RML		0x000C	/*		RX Message Lost	Count */
-#define	UC_RX		0x000D	/*		Total Successful RX Messages Count */
-#define	UC_RMP		0x000E	/*		Successful RX W/Matching ID Count */
-#define	UC_ALL		0x000F	/*		Correct	Message	On CAN Bus Line	Count */
-#define	UCRC		0x0020	/* Universal Counter Reload/Clear */
-#define	UCCT		0x0040	/* Universal Counter CAN Trigger */
-#define	UCE			0x0080	/* Universal Counter Enable */
-
-/* CAN_ESR Masks			 */
-#define	ACKE		0x0004	/* Acknowledge Error */
-#define	SER			0x0008	/* Stuff Error */
-#define	CRCE		0x0010	/* CRC Error */
-#define	SA0			0x0020	/* Stuck At Dominant Error */
-#define	BEF			0x0040	/* Bit Error Flag */
-#define	FER			0x0080	/* Form	Error Flag */
-
-/* CAN_EWR Masks					 */
-#define	EWLREC		0x00FF	/* RX Error Count Limit	(For EWRIS) */
-#define	EWLTEC		0xFF00	/* TX Error Count Limit	(For EWTIS) */
-
 #endif /* _DEF_BF539_H */
diff --git a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h
index ab04d137fd8..0ed06c2366f 100644
--- a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h
+++ b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h
@@ -2104,677 +2104,6 @@
 
 #define                    ECCCNT  0x3ff      /* Transfer Count */
 
-/* Bit masks for CAN0_CONTROL */
-
-#define                       SRS  0x1        /* Software Reset */
-#define                       DNM  0x2        /* DeviceNet Mode */
-#define                       ABO  0x4        /* Auto Bus On */
-#define                       WBA  0x10       /* Wakeup On CAN Bus Activity */
-#define                       SMR  0x20       /* Sleep Mode Request */
-#define                       CSR  0x40       /* CAN Suspend Mode Request */
-#define                       CCR  0x80       /* CAN Configuration Mode Request */
-
-/* Bit masks for CAN0_STATUS */
-
-#define                        WT  0x1        /* CAN Transmit Warning Flag */
-#define                        WR  0x2        /* CAN Receive Warning Flag */
-#define                        EP  0x4        /* CAN Error Passive Mode */
-#define                       EBO  0x8        /* CAN Error Bus Off Mode */
-#define                       CSA  0x40       /* CAN Suspend Mode Acknowledge */
-#define                       CCA  0x80       /* CAN Configuration Mode Acknowledge */
-#define                     MBPTR  0x1f00     /* Mailbox Pointer */
-#define                       TRM  0x4000     /* Transmit Mode Status */
-#define                       REC  0x8000     /* Receive Mode Status */
-
-/* Bit masks for CAN0_DEBUG */
-
-#define                       DEC  0x1        /* Disable Transmit/Receive Error Counters */
-#define                       DRI  0x2        /* Disable CANRX Input Pin */
-#define                       DTO  0x4        /* Disable CANTX Output Pin */
-#define                       DIL  0x8        /* Disable Internal Loop */
-#define                       MAA  0x10       /* Mode Auto-Acknowledge */
-#define                       MRB  0x20       /* Mode Read Back */
-#define                       CDE  0x8000     /* CAN Debug Mode Enable */
-
-/* Bit masks for CAN0_CLOCK */
-
-#define                       BRP  0x3ff      /* CAN Bit Rate Prescaler */
-
-/* Bit masks for CAN0_TIMING */
-
-#define                       SJW  0x300      /* Synchronization Jump Width */
-#define                       SAM  0x80       /* Sampling */
-#define                     TSEG2  0x70       /* Time Segment 2 */
-#define                     TSEG1  0xf        /* Time Segment 1 */
-
-/* Bit masks for CAN0_INTR */
-
-#define                     CANRX  0x80       /* Serial Input From Transceiver */
-#define                     CANTX  0x40       /* Serial Output To Transceiver */
-#define                     SMACK  0x8        /* Sleep Mode Acknowledge */
-#define                      GIRQ  0x4        /* Global Interrupt Request Status */
-#define                    MBTIRQ  0x2        /* Mailbox Transmit Interrupt Request */
-#define                    MBRIRQ  0x1        /* Mailbox Receive Interrupt Request */
-
-/* Bit masks for CAN0_GIM */
-
-#define                     EWTIM  0x1        /* Error Warning Transmit Interrupt Mask */
-#define                     EWRIM  0x2        /* Error Warning Receive Interrupt Mask */
-#define                      EPIM  0x4        /* Error Passive Interrupt Mask */
-#define                      BOIM  0x8        /* Bus Off Interrupt Mask */
-#define                      WUIM  0x10       /* Wakeup Interrupt Mask */
-#define                     UIAIM  0x20       /* Unimplemented Address Interrupt Mask */
-#define                      AAIM  0x40       /* Abort Acknowledge Interrupt Mask */
-#define                     RMLIM  0x80       /* Receive Message Lost Interrupt Mask */
-#define                     UCEIM  0x100      /* Universal Counter Exceeded Interrupt Mask */
-#define                      ADIM  0x400      /* Access Denied Interrupt Mask */
-
-/* Bit masks for CAN0_GIS */
-
-#define                     EWTIS  0x1        /* Error Warning Transmit Interrupt Status */
-#define                     EWRIS  0x2        /* Error Warning Receive Interrupt Status */
-#define                      EPIS  0x4        /* Error Passive Interrupt Status */
-#define                      BOIS  0x8        /* Bus Off Interrupt Status */
-#define                      WUIS  0x10       /* Wakeup Interrupt Status */
-#define                     UIAIS  0x20       /* Unimplemented Address Interrupt Status */
-#define                      AAIS  0x40       /* Abort Acknowledge Interrupt Status */
-#define                     RMLIS  0x80       /* Receive Message Lost Interrupt Status */
-#define                     UCEIS  0x100      /* Universal Counter Exceeded Interrupt Status */
-#define                      ADIS  0x400      /* Access Denied Interrupt Status */
-
-/* Bit masks for CAN0_GIF */
-
-#define                     EWTIF  0x1        /* Error Warning Transmit Interrupt Flag */
-#define                     EWRIF  0x2        /* Error Warning Receive Interrupt Flag */
-#define                      EPIF  0x4        /* Error Passive Interrupt Flag */
-#define                      BOIF  0x8        /* Bus Off Interrupt Flag */
-#define                      WUIF  0x10       /* Wakeup Interrupt Flag */
-#define                     UIAIF  0x20       /* Unimplemented Address Interrupt Flag */
-#define                      AAIF  0x40       /* Abort Acknowledge Interrupt Flag */
-#define                     RMLIF  0x80       /* Receive Message Lost Interrupt Flag */
-#define                     UCEIF  0x100      /* Universal Counter Exceeded Interrupt Flag */
-#define                      ADIF  0x400      /* Access Denied Interrupt Flag */
-
-/* Bit masks for CAN0_MBTD */
-
-#define                       TDR  0x80       /* Temporary Disable Request */
-#define                       TDA  0x40       /* Temporary Disable Acknowledge */
-#define                     TDPTR  0x1f       /* Temporary Disable Pointer */
-
-/* Bit masks for CAN0_UCCNF */
-
-#define                     UCCNF  0xf        /* Universal Counter Configuration */
-#define                      UCRC  0x20       /* Universal Counter Reload/Clear */
-#define                      UCCT  0x40       /* Universal Counter CAN Trigger */
-#define                       UCE  0x80       /* Universal Counter Enable */
-
-/* Bit masks for CAN0_CEC */
-
-#define                    RXECNT  0xff       /* Receive Error Counter */
-#define                    TXECNT  0xff00     /* Transmit Error Counter */
-
-/* Bit masks for CAN0_ESR */
-
-#define                       FER  0x80       /* Form Error */
-#define                       BEF  0x40       /* Bit Error Flag */
-#define                       SA0  0x20       /* Stuck At Dominant */
-#define                      CRCE  0x10       /* CRC Error */
-#define                       SER  0x8        /* Stuff Bit Error */
-#define                      ACKE  0x4        /* Acknowledge Error */
-
-/* Bit masks for CAN0_EWR */
-
-#define                    EWLTEC  0xff00     /* Transmit Error Warning Limit */
-#define                    EWLREC  0xff       /* Receive Error Warning Limit */
-
-/* Bit masks for CAN0_AMxx_H */
-
-#define                       FDF  0x8000     /* Filter On Data Field */
-#define                       FMD  0x4000     /* Full Mask Data */
-#define                     AMIDE  0x2000     /* Acceptance Mask Identifier Extension */
-#define                    BASEID  0x1ffc     /* Base Identifier */
-#define                  EXTID_HI  0x3        /* Extended Identifier High Bits */
-
-/* Bit masks for CAN0_AMxx_L */
-
-#define                  EXTID_LO  0xffff     /* Extended Identifier Low Bits */
-#define                       DFM  0xffff     /* Data Field Mask */
-
-/* Bit masks for CAN0_MBxx_ID1 */
-
-#define                       AME  0x8000     /* Acceptance Mask Enable */
-#define                       RTR  0x4000     /* Remote Transmission Request */
-#define                       IDE  0x2000     /* Identifier Extension */
-#define                    BASEID  0x1ffc     /* Base Identifier */
-#define                  EXTID_HI  0x3        /* Extended Identifier High Bits */
-
-/* Bit masks for CAN0_MBxx_ID0 */
-
-#define                  EXTID_LO  0xffff     /* Extended Identifier Low Bits */
-#define                       DFM  0xffff     /* Data Field Mask */
-
-/* Bit masks for CAN0_MBxx_TIMESTAMP */
-
-#define                       TSV  0xffff     /* Time Stamp Value */
-
-/* Bit masks for CAN0_MBxx_LENGTH */
-
-#define                       DLC  0xf        /* Data Length Code */
-
-/* Bit masks for CAN0_MBxx_DATA3 */
-
-#define                 CAN_BYTE0  0xff00     /* Data Field Byte 0 */
-#define                 CAN_BYTE1  0xff       /* Data Field Byte 1 */
-
-/* Bit masks for CAN0_MBxx_DATA2 */
-
-#define                 CAN_BYTE2  0xff00     /* Data Field Byte 2 */
-#define                 CAN_BYTE3  0xff       /* Data Field Byte 3 */
-
-/* Bit masks for CAN0_MBxx_DATA1 */
-
-#define                 CAN_BYTE4  0xff00     /* Data Field Byte 4 */
-#define                 CAN_BYTE5  0xff       /* Data Field Byte 5 */
-
-/* Bit masks for CAN0_MBxx_DATA0 */
-
-#define                 CAN_BYTE6  0xff00     /* Data Field Byte 6 */
-#define                 CAN_BYTE7  0xff       /* Data Field Byte 7 */
-
-/* Bit masks for CAN0_MC1 */
-
-#define                       MC0  0x1        /* Mailbox 0 Enable */
-#define                       MC1  0x2        /* Mailbox 1 Enable */
-#define                       MC2  0x4        /* Mailbox 2 Enable */
-#define                       MC3  0x8        /* Mailbox 3 Enable */
-#define                       MC4  0x10       /* Mailbox 4 Enable */
-#define                       MC5  0x20       /* Mailbox 5 Enable */
-#define                       MC6  0x40       /* Mailbox 6 Enable */
-#define                       MC7  0x80       /* Mailbox 7 Enable */
-#define                       MC8  0x100      /* Mailbox 8 Enable */
-#define                       MC9  0x200      /* Mailbox 9 Enable */
-#define                      MC10  0x400      /* Mailbox 10 Enable */
-#define                      MC11  0x800      /* Mailbox 11 Enable */
-#define                      MC12  0x1000     /* Mailbox 12 Enable */
-#define                      MC13  0x2000     /* Mailbox 13 Enable */
-#define                      MC14  0x4000     /* Mailbox 14 Enable */
-#define                      MC15  0x8000     /* Mailbox 15 Enable */
-
-/* Bit masks for CAN0_MC2 */
-
-#define                      MC16  0x1        /* Mailbox 16 Enable */
-#define                      MC17  0x2        /* Mailbox 17 Enable */
-#define                      MC18  0x4        /* Mailbox 18 Enable */
-#define                      MC19  0x8        /* Mailbox 19 Enable */
-#define                      MC20  0x10       /* Mailbox 20 Enable */
-#define                      MC21  0x20       /* Mailbox 21 Enable */
-#define                      MC22  0x40       /* Mailbox 22 Enable */
-#define                      MC23  0x80       /* Mailbox 23 Enable */
-#define                      MC24  0x100      /* Mailbox 24 Enable */
-#define                      MC25  0x200      /* Mailbox 25 Enable */
-#define                      MC26  0x400      /* Mailbox 26 Enable */
-#define                      MC27  0x800      /* Mailbox 27 Enable */
-#define                      MC28  0x1000     /* Mailbox 28 Enable */
-#define                      MC29  0x2000     /* Mailbox 29 Enable */
-#define                      MC30  0x4000     /* Mailbox 30 Enable */
-#define                      MC31  0x8000     /* Mailbox 31 Enable */
-
-/* Bit masks for CAN0_MD1 */
-
-#define                       MD0  0x1        /* Mailbox 0 Receive Enable */
-#define                       MD1  0x2        /* Mailbox 1 Receive Enable */
-#define                       MD2  0x4        /* Mailbox 2 Receive Enable */
-#define                       MD3  0x8        /* Mailbox 3 Receive Enable */
-#define                       MD4  0x10       /* Mailbox 4 Receive Enable */
-#define                       MD5  0x20       /* Mailbox 5 Receive Enable */
-#define                       MD6  0x40       /* Mailbox 6 Receive Enable */
-#define                       MD7  0x80       /* Mailbox 7 Receive Enable */
-#define                       MD8  0x100      /* Mailbox 8 Receive Enable */
-#define                       MD9  0x200      /* Mailbox 9 Receive Enable */
-#define                      MD10  0x400      /* Mailbox 10 Receive Enable */
-#define                      MD11  0x800      /* Mailbox 11 Receive Enable */
-#define                      MD12  0x1000     /* Mailbox 12 Receive Enable */
-#define                      MD13  0x2000     /* Mailbox 13 Receive Enable */
-#define                      MD14  0x4000     /* Mailbox 14 Receive Enable */
-#define                      MD15  0x8000     /* Mailbox 15 Receive Enable */
-
-/* Bit masks for CAN0_MD2 */
-
-#define                      MD16  0x1        /* Mailbox 16 Receive Enable */
-#define                      MD17  0x2        /* Mailbox 17 Receive Enable */
-#define                      MD18  0x4        /* Mailbox 18 Receive Enable */
-#define                      MD19  0x8        /* Mailbox 19 Receive Enable */
-#define                      MD20  0x10       /* Mailbox 20 Receive Enable */
-#define                      MD21  0x20       /* Mailbox 21 Receive Enable */
-#define                      MD22  0x40       /* Mailbox 22 Receive Enable */
-#define                      MD23  0x80       /* Mailbox 23 Receive Enable */
-#define                      MD24  0x100      /* Mailbox 24 Receive Enable */
-#define                      MD25  0x200      /* Mailbox 25 Receive Enable */
-#define                      MD26  0x400      /* Mailbox 26 Receive Enable */
-#define                      MD27  0x800      /* Mailbox 27 Receive Enable */
-#define                      MD28  0x1000     /* Mailbox 28 Receive Enable */
-#define                      MD29  0x2000     /* Mailbox 29 Receive Enable */
-#define                      MD30  0x4000     /* Mailbox 30 Receive Enable */
-#define                      MD31  0x8000     /* Mailbox 31 Receive Enable */
-
-/* Bit masks for CAN0_RMP1 */
-
-#define                      RMP0  0x1        /* Mailbox 0 Receive Message Pending */
-#define                      RMP1  0x2        /* Mailbox 1 Receive Message Pending */
-#define                      RMP2  0x4        /* Mailbox 2 Receive Message Pending */
-#define                      RMP3  0x8        /* Mailbox 3 Receive Message Pending */
-#define                      RMP4  0x10       /* Mailbox 4 Receive Message Pending */
-#define                      RMP5  0x20       /* Mailbox 5 Receive Message Pending */
-#define                      RMP6  0x40       /* Mailbox 6 Receive Message Pending */
-#define                      RMP7  0x80       /* Mailbox 7 Receive Message Pending */
-#define                      RMP8  0x100      /* Mailbox 8 Receive Message Pending */
-#define                      RMP9  0x200      /* Mailbox 9 Receive Message Pending */
-#define                     RMP10  0x400      /* Mailbox 10 Receive Message Pending */
-#define                     RMP11  0x800      /* Mailbox 11 Receive Message Pending */
-#define                     RMP12  0x1000     /* Mailbox 12 Receive Message Pending */
-#define                     RMP13  0x2000     /* Mailbox 13 Receive Message Pending */
-#define                     RMP14  0x4000     /* Mailbox 14 Receive Message Pending */
-#define                     RMP15  0x8000     /* Mailbox 15 Receive Message Pending */
-
-/* Bit masks for CAN0_RMP2 */
-
-#define                     RMP16  0x1        /* Mailbox 16 Receive Message Pending */
-#define                     RMP17  0x2        /* Mailbox 17 Receive Message Pending */
-#define                     RMP18  0x4        /* Mailbox 18 Receive Message Pending */
-#define                     RMP19  0x8        /* Mailbox 19 Receive Message Pending */
-#define                     RMP20  0x10       /* Mailbox 20 Receive Message Pending */
-#define                     RMP21  0x20       /* Mailbox 21 Receive Message Pending */
-#define                     RMP22  0x40       /* Mailbox 22 Receive Message Pending */
-#define                     RMP23  0x80       /* Mailbox 23 Receive Message Pending */
-#define                     RMP24  0x100      /* Mailbox 24 Receive Message Pending */
-#define                     RMP25  0x200      /* Mailbox 25 Receive Message Pending */
-#define                     RMP26  0x400      /* Mailbox 26 Receive Message Pending */
-#define                     RMP27  0x800      /* Mailbox 27 Receive Message Pending */
-#define                     RMP28  0x1000     /* Mailbox 28 Receive Message Pending */
-#define                     RMP29  0x2000     /* Mailbox 29 Receive Message Pending */
-#define                     RMP30  0x4000     /* Mailbox 30 Receive Message Pending */
-#define                     RMP31  0x8000     /* Mailbox 31 Receive Message Pending */
-
-/* Bit masks for CAN0_RML1 */
-
-#define                      RML0  0x1        /* Mailbox 0 Receive Message Lost */
-#define                      RML1  0x2        /* Mailbox 1 Receive Message Lost */
-#define                      RML2  0x4        /* Mailbox 2 Receive Message Lost */
-#define                      RML3  0x8        /* Mailbox 3 Receive Message Lost */
-#define                      RML4  0x10       /* Mailbox 4 Receive Message Lost */
-#define                      RML5  0x20       /* Mailbox 5 Receive Message Lost */
-#define                      RML6  0x40       /* Mailbox 6 Receive Message Lost */
-#define                      RML7  0x80       /* Mailbox 7 Receive Message Lost */
-#define                      RML8  0x100      /* Mailbox 8 Receive Message Lost */
-#define                      RML9  0x200      /* Mailbox 9 Receive Message Lost */
-#define                     RML10  0x400      /* Mailbox 10 Receive Message Lost */
-#define                     RML11  0x800      /* Mailbox 11 Receive Message Lost */
-#define                     RML12  0x1000     /* Mailbox 12 Receive Message Lost */
-#define                     RML13  0x2000     /* Mailbox 13 Receive Message Lost */
-#define                     RML14  0x4000     /* Mailbox 14 Receive Message Lost */
-#define                     RML15  0x8000     /* Mailbox 15 Receive Message Lost */
-
-/* Bit masks for CAN0_RML2 */
-
-#define                     RML16  0x1        /* Mailbox 16 Receive Message Lost */
-#define                     RML17  0x2        /* Mailbox 17 Receive Message Lost */
-#define                     RML18  0x4        /* Mailbox 18 Receive Message Lost */
-#define                     RML19  0x8        /* Mailbox 19 Receive Message Lost */
-#define                     RML20  0x10       /* Mailbox 20 Receive Message Lost */
-#define                     RML21  0x20       /* Mailbox 21 Receive Message Lost */
-#define                     RML22  0x40       /* Mailbox 22 Receive Message Lost */
-#define                     RML23  0x80       /* Mailbox 23 Receive Message Lost */
-#define                     RML24  0x100      /* Mailbox 24 Receive Message Lost */
-#define                     RML25  0x200      /* Mailbox 25 Receive Message Lost */
-#define                     RML26  0x400      /* Mailbox 26 Receive Message Lost */
-#define                     RML27  0x800      /* Mailbox 27 Receive Message Lost */
-#define                     RML28  0x1000     /* Mailbox 28 Receive Message Lost */
-#define                     RML29  0x2000     /* Mailbox 29 Receive Message Lost */
-#define                     RML30  0x4000     /* Mailbox 30 Receive Message Lost */
-#define                     RML31  0x8000     /* Mailbox 31 Receive Message Lost */
-
-/* Bit masks for CAN0_OPSS1 */
-
-#define                     OPSS0  0x1        /* Mailbox 0 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS1  0x2        /* Mailbox 1 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS2  0x4        /* Mailbox 2 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS3  0x8        /* Mailbox 3 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS4  0x10       /* Mailbox 4 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS5  0x20       /* Mailbox 5 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS6  0x40       /* Mailbox 6 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS7  0x80       /* Mailbox 7 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS8  0x100      /* Mailbox 8 Overwrite Protection/Single-Shot Transmission Enable */
-#define                     OPSS9  0x200      /* Mailbox 9 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS10  0x400      /* Mailbox 10 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS11  0x800      /* Mailbox 11 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS12  0x1000     /* Mailbox 12 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS13  0x2000     /* Mailbox 13 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS14  0x4000     /* Mailbox 14 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS15  0x8000     /* Mailbox 15 Overwrite Protection/Single-Shot Transmission Enable */
-
-/* Bit masks for CAN0_OPSS2 */
-
-#define                    OPSS16  0x1        /* Mailbox 16 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS17  0x2        /* Mailbox 17 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS18  0x4        /* Mailbox 18 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS19  0x8        /* Mailbox 19 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS20  0x10       /* Mailbox 20 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS21  0x20       /* Mailbox 21 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS22  0x40       /* Mailbox 22 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS23  0x80       /* Mailbox 23 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS24  0x100      /* Mailbox 24 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS25  0x200      /* Mailbox 25 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS26  0x400      /* Mailbox 26 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS27  0x800      /* Mailbox 27 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS28  0x1000     /* Mailbox 28 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS29  0x2000     /* Mailbox 29 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS30  0x4000     /* Mailbox 30 Overwrite Protection/Single-Shot Transmission Enable */
-#define                    OPSS31  0x8000     /* Mailbox 31 Overwrite Protection/Single-Shot Transmission Enable */
-
-/* Bit masks for CAN0_TRS1 */
-
-#define                      TRS0  0x1        /* Mailbox 0 Transmit Request Set */
-#define                      TRS1  0x2        /* Mailbox 1 Transmit Request Set */
-#define                      TRS2  0x4        /* Mailbox 2 Transmit Request Set */
-#define                      TRS3  0x8        /* Mailbox 3 Transmit Request Set */
-#define                      TRS4  0x10       /* Mailbox 4 Transmit Request Set */
-#define                      TRS5  0x20       /* Mailbox 5 Transmit Request Set */
-#define                      TRS6  0x40       /* Mailbox 6 Transmit Request Set */
-#define                      TRS7  0x80       /* Mailbox 7 Transmit Request Set */
-#define                      TRS8  0x100      /* Mailbox 8 Transmit Request Set */
-#define                      TRS9  0x200      /* Mailbox 9 Transmit Request Set */
-#define                     TRS10  0x400      /* Mailbox 10 Transmit Request Set */
-#define                     TRS11  0x800      /* Mailbox 11 Transmit Request Set */
-#define                     TRS12  0x1000     /* Mailbox 12 Transmit Request Set */
-#define                     TRS13  0x2000     /* Mailbox 13 Transmit Request Set */
-#define                     TRS14  0x4000     /* Mailbox 14 Transmit Request Set */
-#define                     TRS15  0x8000     /* Mailbox 15 Transmit Request Set */
-
-/* Bit masks for CAN0_TRS2 */
-
-#define                     TRS16  0x1        /* Mailbox 16 Transmit Request Set */
-#define                     TRS17  0x2        /* Mailbox 17 Transmit Request Set */
-#define                     TRS18  0x4        /* Mailbox 18 Transmit Request Set */
-#define                     TRS19  0x8        /* Mailbox 19 Transmit Request Set */
-#define                     TRS20  0x10       /* Mailbox 20 Transmit Request Set */
-#define                     TRS21  0x20       /* Mailbox 21 Transmit Request Set */
-#define                     TRS22  0x40       /* Mailbox 22 Transmit Request Set */
-#define                     TRS23  0x80       /* Mailbox 23 Transmit Request Set */
-#define                     TRS24  0x100      /* Mailbox 24 Transmit Request Set */
-#define                     TRS25  0x200      /* Mailbox 25 Transmit Request Set */
-#define                     TRS26  0x400      /* Mailbox 26 Transmit Request Set */
-#define                     TRS27  0x800      /* Mailbox 27 Transmit Request Set */
-#define                     TRS28  0x1000     /* Mailbox 28 Transmit Request Set */
-#define                     TRS29  0x2000     /* Mailbox 29 Transmit Request Set */
-#define                     TRS30  0x4000     /* Mailbox 30 Transmit Request Set */
-#define                     TRS31  0x8000     /* Mailbox 31 Transmit Request Set */
-
-/* Bit masks for CAN0_TRR1 */
-
-#define                      TRR0  0x1        /* Mailbox 0 Transmit Request Reset */
-#define                      TRR1  0x2        /* Mailbox 1 Transmit Request Reset */
-#define                      TRR2  0x4        /* Mailbox 2 Transmit Request Reset */
-#define                      TRR3  0x8        /* Mailbox 3 Transmit Request Reset */
-#define                      TRR4  0x10       /* Mailbox 4 Transmit Request Reset */
-#define                      TRR5  0x20       /* Mailbox 5 Transmit Request Reset */
-#define                      TRR6  0x40       /* Mailbox 6 Transmit Request Reset */
-#define                      TRR7  0x80       /* Mailbox 7 Transmit Request Reset */
-#define                      TRR8  0x100      /* Mailbox 8 Transmit Request Reset */
-#define                      TRR9  0x200      /* Mailbox 9 Transmit Request Reset */
-#define                     TRR10  0x400      /* Mailbox 10 Transmit Request Reset */
-#define                     TRR11  0x800      /* Mailbox 11 Transmit Request Reset */
-#define                     TRR12  0x1000     /* Mailbox 12 Transmit Request Reset */
-#define                     TRR13  0x2000     /* Mailbox 13 Transmit Request Reset */
-#define                     TRR14  0x4000     /* Mailbox 14 Transmit Request Reset */
-#define                     TRR15  0x8000     /* Mailbox 15 Transmit Request Reset */
-
-/* Bit masks for CAN0_TRR2 */
-
-#define                     TRR16  0x1        /* Mailbox 16 Transmit Request Reset */
-#define                     TRR17  0x2        /* Mailbox 17 Transmit Request Reset */
-#define                     TRR18  0x4        /* Mailbox 18 Transmit Request Reset */
-#define                     TRR19  0x8        /* Mailbox 19 Transmit Request Reset */
-#define                     TRR20  0x10       /* Mailbox 20 Transmit Request Reset */
-#define                     TRR21  0x20       /* Mailbox 21 Transmit Request Reset */
-#define                     TRR22  0x40       /* Mailbox 22 Transmit Request Reset */
-#define                     TRR23  0x80       /* Mailbox 23 Transmit Request Reset */
-#define                     TRR24  0x100      /* Mailbox 24 Transmit Request Reset */
-#define                     TRR25  0x200      /* Mailbox 25 Transmit Request Reset */
-#define                     TRR26  0x400      /* Mailbox 26 Transmit Request Reset */
-#define                     TRR27  0x800      /* Mailbox 27 Transmit Request Reset */
-#define                     TRR28  0x1000     /* Mailbox 28 Transmit Request Reset */
-#define                     TRR29  0x2000     /* Mailbox 29 Transmit Request Reset */
-#define                     TRR30  0x4000     /* Mailbox 30 Transmit Request Reset */
-#define                     TRR31  0x8000     /* Mailbox 31 Transmit Request Reset */
-
-/* Bit masks for CAN0_AA1 */
-
-#define                       AA0  0x1        /* Mailbox 0 Abort Acknowledge */
-#define                       AA1  0x2        /* Mailbox 1 Abort Acknowledge */
-#define                       AA2  0x4        /* Mailbox 2 Abort Acknowledge */
-#define                       AA3  0x8        /* Mailbox 3 Abort Acknowledge */
-#define                       AA4  0x10       /* Mailbox 4 Abort Acknowledge */
-#define                       AA5  0x20       /* Mailbox 5 Abort Acknowledge */
-#define                       AA6  0x40       /* Mailbox 6 Abort Acknowledge */
-#define                       AA7  0x80       /* Mailbox 7 Abort Acknowledge */
-#define                       AA8  0x100      /* Mailbox 8 Abort Acknowledge */
-#define                       AA9  0x200      /* Mailbox 9 Abort Acknowledge */
-#define                      AA10  0x400      /* Mailbox 10 Abort Acknowledge */
-#define                      AA11  0x800      /* Mailbox 11 Abort Acknowledge */
-#define                      AA12  0x1000     /* Mailbox 12 Abort Acknowledge */
-#define                      AA13  0x2000     /* Mailbox 13 Abort Acknowledge */
-#define                      AA14  0x4000     /* Mailbox 14 Abort Acknowledge */
-#define                      AA15  0x8000     /* Mailbox 15 Abort Acknowledge */
-
-/* Bit masks for CAN0_AA2 */
-
-#define                      AA16  0x1        /* Mailbox 16 Abort Acknowledge */
-#define                      AA17  0x2        /* Mailbox 17 Abort Acknowledge */
-#define                      AA18  0x4        /* Mailbox 18 Abort Acknowledge */
-#define                      AA19  0x8        /* Mailbox 19 Abort Acknowledge */
-#define                      AA20  0x10       /* Mailbox 20 Abort Acknowledge */
-#define                      AA21  0x20       /* Mailbox 21 Abort Acknowledge */
-#define                      AA22  0x40       /* Mailbox 22 Abort Acknowledge */
-#define                      AA23  0x80       /* Mailbox 23 Abort Acknowledge */
-#define                      AA24  0x100      /* Mailbox 24 Abort Acknowledge */
-#define                      AA25  0x200      /* Mailbox 25 Abort Acknowledge */
-#define                      AA26  0x400      /* Mailbox 26 Abort Acknowledge */
-#define                      AA27  0x800      /* Mailbox 27 Abort Acknowledge */
-#define                      AA28  0x1000     /* Mailbox 28 Abort Acknowledge */
-#define                      AA29  0x2000     /* Mailbox 29 Abort Acknowledge */
-#define                      AA30  0x4000     /* Mailbox 30 Abort Acknowledge */
-#define                      AA31  0x8000     /* Mailbox 31 Abort Acknowledge */
-
-/* Bit masks for CAN0_TA1 */
-
-#define                       TA0  0x1        /* Mailbox 0 Transmit Acknowledge */
-#define                       TA1  0x2        /* Mailbox 1 Transmit Acknowledge */
-#define                       TA2  0x4        /* Mailbox 2 Transmit Acknowledge */
-#define                       TA3  0x8        /* Mailbox 3 Transmit Acknowledge */
-#define                       TA4  0x10       /* Mailbox 4 Transmit Acknowledge */
-#define                       TA5  0x20       /* Mailbox 5 Transmit Acknowledge */
-#define                       TA6  0x40       /* Mailbox 6 Transmit Acknowledge */
-#define                       TA7  0x80       /* Mailbox 7 Transmit Acknowledge */
-#define                       TA8  0x100      /* Mailbox 8 Transmit Acknowledge */
-#define                       TA9  0x200      /* Mailbox 9 Transmit Acknowledge */
-#define                      TA10  0x400      /* Mailbox 10 Transmit Acknowledge */
-#define                      TA11  0x800      /* Mailbox 11 Transmit Acknowledge */
-#define                      TA12  0x1000     /* Mailbox 12 Transmit Acknowledge */
-#define                      TA13  0x2000     /* Mailbox 13 Transmit Acknowledge */
-#define                      TA14  0x4000     /* Mailbox 14 Transmit Acknowledge */
-#define                      TA15  0x8000     /* Mailbox 15 Transmit Acknowledge */
-
-/* Bit masks for CAN0_TA2 */
-
-#define                      TA16  0x1        /* Mailbox 16 Transmit Acknowledge */
-#define                      TA17  0x2        /* Mailbox 17 Transmit Acknowledge */
-#define                      TA18  0x4        /* Mailbox 18 Transmit Acknowledge */
-#define                      TA19  0x8        /* Mailbox 19 Transmit Acknowledge */
-#define                      TA20  0x10       /* Mailbox 20 Transmit Acknowledge */
-#define                      TA21  0x20       /* Mailbox 21 Transmit Acknowledge */
-#define                      TA22  0x40       /* Mailbox 22 Transmit Acknowledge */
-#define                      TA23  0x80       /* Mailbox 23 Transmit Acknowledge */
-#define                      TA24  0x100      /* Mailbox 24 Transmit Acknowledge */
-#define                      TA25  0x200      /* Mailbox 25 Transmit Acknowledge */
-#define                      TA26  0x400      /* Mailbox 26 Transmit Acknowledge */
-#define                      TA27  0x800      /* Mailbox 27 Transmit Acknowledge */
-#define                      TA28  0x1000     /* Mailbox 28 Transmit Acknowledge */
-#define                      TA29  0x2000     /* Mailbox 29 Transmit Acknowledge */
-#define                      TA30  0x4000     /* Mailbox 30 Transmit Acknowledge */
-#define                      TA31  0x8000     /* Mailbox 31 Transmit Acknowledge */
-
-/* Bit masks for CAN0_RFH1 */
-
-#define                      RFH0  0x1        /* Mailbox 0 Remote Frame Handling Enable */
-#define                      RFH1  0x2        /* Mailbox 1 Remote Frame Handling Enable */
-#define                      RFH2  0x4        /* Mailbox 2 Remote Frame Handling Enable */
-#define                      RFH3  0x8        /* Mailbox 3 Remote Frame Handling Enable */
-#define                      RFH4  0x10       /* Mailbox 4 Remote Frame Handling Enable */
-#define                      RFH5  0x20       /* Mailbox 5 Remote Frame Handling Enable */
-#define                      RFH6  0x40       /* Mailbox 6 Remote Frame Handling Enable */
-#define                      RFH7  0x80       /* Mailbox 7 Remote Frame Handling Enable */
-#define                      RFH8  0x100      /* Mailbox 8 Remote Frame Handling Enable */
-#define                      RFH9  0x200      /* Mailbox 9 Remote Frame Handling Enable */
-#define                     RFH10  0x400      /* Mailbox 10 Remote Frame Handling Enable */
-#define                     RFH11  0x800      /* Mailbox 11 Remote Frame Handling Enable */
-#define                     RFH12  0x1000     /* Mailbox 12 Remote Frame Handling Enable */
-#define                     RFH13  0x2000     /* Mailbox 13 Remote Frame Handling Enable */
-#define                     RFH14  0x4000     /* Mailbox 14 Remote Frame Handling Enable */
-#define                     RFH15  0x8000     /* Mailbox 15 Remote Frame Handling Enable */
-
-/* Bit masks for CAN0_RFH2 */
-
-#define                     RFH16  0x1        /* Mailbox 16 Remote Frame Handling Enable */
-#define                     RFH17  0x2        /* Mailbox 17 Remote Frame Handling Enable */
-#define                     RFH18  0x4        /* Mailbox 18 Remote Frame Handling Enable */
-#define                     RFH19  0x8        /* Mailbox 19 Remote Frame Handling Enable */
-#define                     RFH20  0x10       /* Mailbox 20 Remote Frame Handling Enable */
-#define                     RFH21  0x20       /* Mailbox 21 Remote Frame Handling Enable */
-#define                     RFH22  0x40       /* Mailbox 22 Remote Frame Handling Enable */
-#define                     RFH23  0x80       /* Mailbox 23 Remote Frame Handling Enable */
-#define                     RFH24  0x100      /* Mailbox 24 Remote Frame Handling Enable */
-#define                     RFH25  0x200      /* Mailbox 25 Remote Frame Handling Enable */
-#define                     RFH26  0x400      /* Mailbox 26 Remote Frame Handling Enable */
-#define                     RFH27  0x800      /* Mailbox 27 Remote Frame Handling Enable */
-#define                     RFH28  0x1000     /* Mailbox 28 Remote Frame Handling Enable */
-#define                     RFH29  0x2000     /* Mailbox 29 Remote Frame Handling Enable */
-#define                     RFH30  0x4000     /* Mailbox 30 Remote Frame Handling Enable */
-#define                     RFH31  0x8000     /* Mailbox 31 Remote Frame Handling Enable */
-
-/* Bit masks for CAN0_MBIM1 */
-
-#define                     MBIM0  0x1        /* Mailbox 0 Mailbox Interrupt Mask */
-#define                     MBIM1  0x2        /* Mailbox 1 Mailbox Interrupt Mask */
-#define                     MBIM2  0x4        /* Mailbox 2 Mailbox Interrupt Mask */
-#define                     MBIM3  0x8        /* Mailbox 3 Mailbox Interrupt Mask */
-#define                     MBIM4  0x10       /* Mailbox 4 Mailbox Interrupt Mask */
-#define                     MBIM5  0x20       /* Mailbox 5 Mailbox Interrupt Mask */
-#define                     MBIM6  0x40       /* Mailbox 6 Mailbox Interrupt Mask */
-#define                     MBIM7  0x80       /* Mailbox 7 Mailbox Interrupt Mask */
-#define                     MBIM8  0x100      /* Mailbox 8 Mailbox Interrupt Mask */
-#define                     MBIM9  0x200      /* Mailbox 9 Mailbox Interrupt Mask */
-#define                    MBIM10  0x400      /* Mailbox 10 Mailbox Interrupt Mask */
-#define                    MBIM11  0x800      /* Mailbox 11 Mailbox Interrupt Mask */
-#define                    MBIM12  0x1000     /* Mailbox 12 Mailbox Interrupt Mask */
-#define                    MBIM13  0x2000     /* Mailbox 13 Mailbox Interrupt Mask */
-#define                    MBIM14  0x4000     /* Mailbox 14 Mailbox Interrupt Mask */
-#define                    MBIM15  0x8000     /* Mailbox 15 Mailbox Interrupt Mask */
-
-/* Bit masks for CAN0_MBIM2 */
-
-#define                    MBIM16  0x1        /* Mailbox 16 Mailbox Interrupt Mask */
-#define                    MBIM17  0x2        /* Mailbox 17 Mailbox Interrupt Mask */
-#define                    MBIM18  0x4        /* Mailbox 18 Mailbox Interrupt Mask */
-#define                    MBIM19  0x8        /* Mailbox 19 Mailbox Interrupt Mask */
-#define                    MBIM20  0x10       /* Mailbox 20 Mailbox Interrupt Mask */
-#define                    MBIM21  0x20       /* Mailbox 21 Mailbox Interrupt Mask */
-#define                    MBIM22  0x40       /* Mailbox 22 Mailbox Interrupt Mask */
-#define                    MBIM23  0x80       /* Mailbox 23 Mailbox Interrupt Mask */
-#define                    MBIM24  0x100      /* Mailbox 24 Mailbox Interrupt Mask */
-#define                    MBIM25  0x200      /* Mailbox 25 Mailbox Interrupt Mask */
-#define                    MBIM26  0x400      /* Mailbox 26 Mailbox Interrupt Mask */
-#define                    MBIM27  0x800      /* Mailbox 27 Mailbox Interrupt Mask */
-#define                    MBIM28  0x1000     /* Mailbox 28 Mailbox Interrupt Mask */
-#define                    MBIM29  0x2000     /* Mailbox 29 Mailbox Interrupt Mask */
-#define                    MBIM30  0x4000     /* Mailbox 30 Mailbox Interrupt Mask */
-#define                    MBIM31  0x8000     /* Mailbox 31 Mailbox Interrupt Mask */
-
-/* Bit masks for CAN0_MBTIF1 */
-
-#define                    MBTIF0  0x1        /* Mailbox 0 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF1  0x2        /* Mailbox 1 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF2  0x4        /* Mailbox 2 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF3  0x8        /* Mailbox 3 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF4  0x10       /* Mailbox 4 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF5  0x20       /* Mailbox 5 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF6  0x40       /* Mailbox 6 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF7  0x80       /* Mailbox 7 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF8  0x100      /* Mailbox 8 Mailbox Transmit Interrupt Flag */
-#define                    MBTIF9  0x200      /* Mailbox 9 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF10  0x400      /* Mailbox 10 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF11  0x800      /* Mailbox 11 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF12  0x1000     /* Mailbox 12 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF13  0x2000     /* Mailbox 13 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF14  0x4000     /* Mailbox 14 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF15  0x8000     /* Mailbox 15 Mailbox Transmit Interrupt Flag */
-
-/* Bit masks for CAN0_MBTIF2 */
-
-#define                   MBTIF16  0x1        /* Mailbox 16 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF17  0x2        /* Mailbox 17 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF18  0x4        /* Mailbox 18 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF19  0x8        /* Mailbox 19 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF20  0x10       /* Mailbox 20 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF21  0x20       /* Mailbox 21 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF22  0x40       /* Mailbox 22 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF23  0x80       /* Mailbox 23 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF24  0x100      /* Mailbox 24 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF25  0x200      /* Mailbox 25 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF26  0x400      /* Mailbox 26 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF27  0x800      /* Mailbox 27 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF28  0x1000     /* Mailbox 28 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF29  0x2000     /* Mailbox 29 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF30  0x4000     /* Mailbox 30 Mailbox Transmit Interrupt Flag */
-#define                   MBTIF31  0x8000     /* Mailbox 31 Mailbox Transmit Interrupt Flag */
-
-/* Bit masks for CAN0_MBRIF1 */
-
-#define                    MBRIF0  0x1        /* Mailbox 0 Mailbox Receive Interrupt Flag */
-#define                    MBRIF1  0x2        /* Mailbox 1 Mailbox Receive Interrupt Flag */
-#define                    MBRIF2  0x4        /* Mailbox 2 Mailbox Receive Interrupt Flag */
-#define                    MBRIF3  0x8        /* Mailbox 3 Mailbox Receive Interrupt Flag */
-#define                    MBRIF4  0x10       /* Mailbox 4 Mailbox Receive Interrupt Flag */
-#define                    MBRIF5  0x20       /* Mailbox 5 Mailbox Receive Interrupt Flag */
-#define                    MBRIF6  0x40       /* Mailbox 6 Mailbox Receive Interrupt Flag */
-#define                    MBRIF7  0x80       /* Mailbox 7 Mailbox Receive Interrupt Flag */
-#define                    MBRIF8  0x100      /* Mailbox 8 Mailbox Receive Interrupt Flag */
-#define                    MBRIF9  0x200      /* Mailbox 9 Mailbox Receive Interrupt Flag */
-#define                   MBRIF10  0x400      /* Mailbox 10 Mailbox Receive Interrupt Flag */
-#define                   MBRIF11  0x800      /* Mailbox 11 Mailbox Receive Interrupt Flag */
-#define                   MBRIF12  0x1000     /* Mailbox 12 Mailbox Receive Interrupt Flag */
-#define                   MBRIF13  0x2000     /* Mailbox 13 Mailbox Receive Interrupt Flag */
-#define                   MBRIF14  0x4000     /* Mailbox 14 Mailbox Receive Interrupt Flag */
-#define                   MBRIF15  0x8000     /* Mailbox 15 Mailbox Receive Interrupt Flag */
-
-/* Bit masks for CAN0_MBRIF2 */
-
-#define                   MBRIF16  0x1        /* Mailbox 16 Mailbox Receive Interrupt Flag */
-#define                   MBRIF17  0x2        /* Mailbox 17 Mailbox Receive Interrupt Flag */
-#define                   MBRIF18  0x4        /* Mailbox 18 Mailbox Receive Interrupt Flag */
-#define                   MBRIF19  0x8        /* Mailbox 19 Mailbox Receive Interrupt Flag */
-#define                   MBRIF20  0x10       /* Mailbox 20 Mailbox Receive Interrupt Flag */
-#define                   MBRIF21  0x20       /* Mailbox 21 Mailbox Receive Interrupt Flag */
-#define                   MBRIF22  0x40       /* Mailbox 22 Mailbox Receive Interrupt Flag */
-#define                   MBRIF23  0x80       /* Mailbox 23 Mailbox Receive Interrupt Flag */
-#define                   MBRIF24  0x100      /* Mailbox 24 Mailbox Receive Interrupt Flag */
-#define                   MBRIF25  0x200      /* Mailbox 25 Mailbox Receive Interrupt Flag */
-#define                   MBRIF26  0x400      /* Mailbox 26 Mailbox Receive Interrupt Flag */
-#define                   MBRIF27  0x800      /* Mailbox 27 Mailbox Receive Interrupt Flag */
-#define                   MBRIF28  0x1000     /* Mailbox 28 Mailbox Receive Interrupt Flag */
-#define                   MBRIF29  0x2000     /* Mailbox 29 Mailbox Receive Interrupt Flag */
-#define                   MBRIF30  0x4000     /* Mailbox 30 Mailbox Receive Interrupt Flag */
-#define                   MBRIF31  0x8000     /* Mailbox 31 Mailbox Receive Interrupt Flag */
-
 /* Bit masks for EPPIx_STATUS */
 
 #define                 CFIFO_ERR  0x1        /* Chroma FIFO Error */

From 85eb0e4b15efc8034cbae193c99536dae7896701 Mon Sep 17 00:00:00 2001
From: Cliff Cai <cliff.cai@analog.com>
Date: Fri, 22 Jan 2010 04:02:46 +0000
Subject: [PATCH 2481/3638] Blackfin: mark MUSB VRSEL as active high for
 appropriate boards

These boards all have the GPIO VRSEL hooked up as an active high.

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mach-bf527/boards/cm_bf527.c | 4 ++++
 arch/blackfin/mach-bf527/boards/ezbrd.c    | 4 ++++
 arch/blackfin/mach-bf527/boards/ezkit.c    | 4 ++++
 arch/blackfin/mach-bf548/boards/cm_bf548.c | 4 ++++
 arch/blackfin/mach-bf548/boards/ezkit.c    | 4 ++++
 5 files changed, 20 insertions(+)

diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c
index ebe76d1e874..f392af64165 100644
--- a/arch/blackfin/mach-bf527/boards/cm_bf527.c
+++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c
@@ -98,6 +98,10 @@ static struct musb_hdrc_config musb_config = {
 	.num_eps	= 8,
 	.dma_channels	= 8,
 	.gpio_vrsel	= GPIO_PF11,
+	/* Some custom boards need to be active low, just set it to "0"
+	 * if it is the case.
+	 */
+	.gpio_vrsel_active	= 1,
 };
 
 static struct musb_hdrc_platform_data musb_plat = {
diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c
index 55069af4f67..606eb36b9d6 100644
--- a/arch/blackfin/mach-bf527/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
@@ -62,6 +62,10 @@ static struct musb_hdrc_config musb_config = {
 	.num_eps	= 8,
 	.dma_channels	= 8,
 	.gpio_vrsel	= GPIO_PG13,
+	/* Some custom boards need to be active low, just set it to "0"
+	 * if it is the case.
+	 */
+	.gpio_vrsel_active	= 1,
 };
 
 static struct musb_hdrc_platform_data musb_plat = {
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 923383386aa..a05c967a24c 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -102,6 +102,10 @@ static struct musb_hdrc_config musb_config = {
 	.num_eps	= 8,
 	.dma_channels	= 8,
 	.gpio_vrsel	= GPIO_PG13,
+	/* Some custom boards need to be active low, just set it to "0"
+	 * if it is the case.
+	 */
+	.gpio_vrsel_active	= 1,
 };
 
 static struct musb_hdrc_platform_data musb_plat = {
diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c
index f60c333fec6..dbb6b1d83f6 100644
--- a/arch/blackfin/mach-bf548/boards/cm_bf548.c
+++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c
@@ -498,6 +498,10 @@ static struct musb_hdrc_config musb_config = {
 	.num_eps	= 8,
 	.dma_channels	= 8,
 	.gpio_vrsel	= GPIO_PH6,
+	/* Some custom boards need to be active low, just set it to "0"
+	 * if it is the case.
+	 */
+	.gpio_vrsel_active	= 1,
 };
 
 static struct musb_hdrc_platform_data musb_plat = {
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 06919db00a7..6fcfb9187c3 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -603,6 +603,10 @@ static struct musb_hdrc_config musb_config = {
 	.num_eps	= 8,
 	.dma_channels	= 8,
 	.gpio_vrsel	= GPIO_PE7,
+	/* Some custom boards need to be active low, just set it to "0"
+	 * if it is the case.
+	 */
+	.gpio_vrsel_active	= 1,
 };
 
 static struct musb_hdrc_platform_data musb_plat = {

From bb84dbf69b0730fcc78c275f900ed74b2b8453a5 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Wed, 10 Mar 2010 14:26:06 +0000
Subject: [PATCH 2482/3638] Blackfin: punt Blackfin-specific GPIO wakeup API

This patch removes a custom GPIO wakeup API which allowed GPIOs to act
as wakeup sources, which are not configured as Interrupts.
This API is a leftover from the time before irq_wake was established.
From now on people must use enable_irq_wake(GPIO_IRQx) and the GPIO in
question needs to be configured as Interrupt.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/Kconfig                     |  26 -----
 arch/blackfin/include/asm/gpio.h          |  22 ++--
 arch/blackfin/kernel/bfin_gpio.c          | 131 ++--------------------
 arch/blackfin/mach-common/ints-priority.c |   9 +-
 arch/blackfin/mach-common/pm.c            |  24 ----
 5 files changed, 24 insertions(+), 188 deletions(-)

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index c078849df7f..405bdaa1733 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -1187,32 +1187,6 @@ config  PM_BFIN_SLEEP
 	  If unsure, select "Sleep Deeper".
 endchoice
 
-config PM_WAKEUP_BY_GPIO
-	bool "Allow Wakeup from Standby by GPIO"
-	depends on PM && !BF54x
-
-config PM_WAKEUP_GPIO_NUMBER
-	int "GPIO number"
-	range 0 47
-	depends on PM_WAKEUP_BY_GPIO
-	default 2
-
-choice
-	prompt "GPIO Polarity"
-	depends on PM_WAKEUP_BY_GPIO
-	default PM_WAKEUP_GPIO_POLAR_H
-config  PM_WAKEUP_GPIO_POLAR_H
-	bool "Active High"
-config  PM_WAKEUP_GPIO_POLAR_L
-	bool "Active Low"
-config  PM_WAKEUP_GPIO_POLAR_EDGE_F
-	bool "Falling EDGE"
-config  PM_WAKEUP_GPIO_POLAR_EDGE_R
-	bool "Rising EDGE"
-config  PM_WAKEUP_GPIO_POLAR_EDGE_B
-	bool "Both EDGE"
-endchoice
-
 comment "Possible Suspend Mem / Hibernate Wake-Up Sources"
 	depends on PM
 
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 91bd2d7b9d5..01b19d0cf50 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -167,23 +167,23 @@ int bfin_special_gpio_request(unsigned gpio, const char *label);
 #endif
 
 #ifdef CONFIG_PM
+int bfin_pm_standby_ctrl(unsigned ctrl);
 
-unsigned int bfin_pm_standby_setup(void);
-void bfin_pm_standby_restore(void);
+static inline int bfin_pm_standby_setup(void)
+{
+	return bfin_pm_standby_ctrl(1);
+}
+
+static inline void bfin_pm_standby_restore(void)
+{
+	bfin_pm_standby_ctrl(0);
+}
 
 void bfin_gpio_pm_hibernate_restore(void);
 void bfin_gpio_pm_hibernate_suspend(void);
 
 #ifndef CONFIG_BF54x
-#define PM_WAKE_RISING	0x1
-#define PM_WAKE_FALLING	0x2
-#define PM_WAKE_HIGH	0x4
-#define PM_WAKE_LOW	0x8
-#define PM_WAKE_BOTH_EDGES	(PM_WAKE_RISING | PM_WAKE_FALLING)
-#define PM_WAKE_IGNORE	0xF0
-
-int gpio_pm_wakeup_request(unsigned gpio, unsigned char type);
-void gpio_pm_wakeup_free(unsigned gpio);
+int gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl);
 
 struct gpio_port_s {
 	unsigned short data;
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index e35e20f00d9..42833ee2b30 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -475,9 +475,7 @@ GET_GPIO_P(maskb)
 
 
 #ifdef CONFIG_PM
-
 static unsigned short wakeup_map[GPIO_BANK_NUM];
-static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS];
 
 static const unsigned int sic_iwr_irqs[] = {
 #if defined(BF533_FAMILY)
@@ -514,112 +512,26 @@ static const unsigned int sic_iwr_irqs[] = {
 *************************************************************
 * MODIFICATION HISTORY :
 **************************************************************/
-int gpio_pm_wakeup_request(unsigned gpio, unsigned char type)
-{
-	unsigned long flags;
-
-	if ((check_gpio(gpio) < 0) || !type)
-		return -EINVAL;
-
-	local_irq_save_hw(flags);
-	wakeup_map[gpio_bank(gpio)] |= gpio_bit(gpio);
-	wakeup_flags_map[gpio] = type;
-	local_irq_restore_hw(flags);
-
-	return 0;
-}
-EXPORT_SYMBOL(gpio_pm_wakeup_request);
-
-void gpio_pm_wakeup_free(unsigned gpio)
+int gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl)
 {
 	unsigned long flags;
 
 	if (check_gpio(gpio) < 0)
-		return;
+		return -EINVAL;
 
 	local_irq_save_hw(flags);
+	if (ctrl)
+		wakeup_map[gpio_bank(gpio)] |= gpio_bit(gpio);
+	else
+		wakeup_map[gpio_bank(gpio)] &= ~gpio_bit(gpio);
 
-	wakeup_map[gpio_bank(gpio)] &= ~gpio_bit(gpio);
-
+	set_gpio_maskb(gpio, ctrl);
 	local_irq_restore_hw(flags);
-}
-EXPORT_SYMBOL(gpio_pm_wakeup_free);
-
-static int bfin_gpio_wakeup_type(unsigned gpio, unsigned char type)
-{
-	port_setup(gpio, GPIO_USAGE);
-	set_gpio_dir(gpio, 0);
-	set_gpio_inen(gpio, 1);
-
-	if (type & (PM_WAKE_RISING | PM_WAKE_FALLING))
-		set_gpio_edge(gpio, 1);
-	 else
-		set_gpio_edge(gpio, 0);
-
-	if ((type & (PM_WAKE_BOTH_EDGES)) == (PM_WAKE_BOTH_EDGES))
-		set_gpio_both(gpio, 1);
-	else
-		set_gpio_both(gpio, 0);
-
-	if ((type & (PM_WAKE_FALLING | PM_WAKE_LOW)))
-		set_gpio_polar(gpio, 1);
-	else
-		set_gpio_polar(gpio, 0);
-
-	SSYNC();
 
 	return 0;
 }
 
-u32 bfin_pm_standby_setup(void)
-{
-	u16 bank, mask, i, gpio;
-
-	for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
-		mask = wakeup_map[gpio_bank(i)];
-		bank = gpio_bank(i);
-
-		gpio_bank_saved[bank].maskb = gpio_array[bank]->maskb;
-		gpio_array[bank]->maskb = 0;
-
-		if (mask) {
-#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
-			gpio_bank_saved[bank].fer   = *port_fer[bank];
-#endif
-			gpio_bank_saved[bank].inen  = gpio_array[bank]->inen;
-			gpio_bank_saved[bank].polar = gpio_array[bank]->polar;
-			gpio_bank_saved[bank].dir   = gpio_array[bank]->dir;
-			gpio_bank_saved[bank].edge  = gpio_array[bank]->edge;
-			gpio_bank_saved[bank].both  = gpio_array[bank]->both;
-			gpio_bank_saved[bank].reserved =
-						reserved_gpio_map[bank];
-
-			gpio = i;
-
-			while (mask) {
-				if ((mask & 1) && (wakeup_flags_map[gpio] !=
-					PM_WAKE_IGNORE)) {
-					reserved_gpio_map[gpio_bank(gpio)] |=
-							gpio_bit(gpio);
-					bfin_gpio_wakeup_type(gpio,
-						wakeup_flags_map[gpio]);
-					set_gpio_data(gpio, 0); /*Clear*/
-				}
-				gpio++;
-				mask >>= 1;
-			}
-
-			bfin_internal_set_wake(sic_iwr_irqs[bank], 1);
-			gpio_array[bank]->maskb_set = wakeup_map[gpio_bank(i)];
-		}
-	}
-
-	AWA_DUMMY_READ(maskb_set);
-
-	return 0;
-}
-
-void bfin_pm_standby_restore(void)
+int bfin_pm_standby_ctrl(unsigned ctrl)
 {
 	u16 bank, mask, i;
 
@@ -627,24 +539,10 @@ void bfin_pm_standby_restore(void)
 		mask = wakeup_map[gpio_bank(i)];
 		bank = gpio_bank(i);
 
-		if (mask) {
-#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
-			*port_fer[bank]   	= gpio_bank_saved[bank].fer;
-#endif
-			gpio_array[bank]->inen  = gpio_bank_saved[bank].inen;
-			gpio_array[bank]->dir   = gpio_bank_saved[bank].dir;
-			gpio_array[bank]->polar = gpio_bank_saved[bank].polar;
-			gpio_array[bank]->edge  = gpio_bank_saved[bank].edge;
-			gpio_array[bank]->both  = gpio_bank_saved[bank].both;
-
-			reserved_gpio_map[bank] =
-					gpio_bank_saved[bank].reserved;
-			bfin_internal_set_wake(sic_iwr_irqs[bank], 0);
-		}
-
-		gpio_array[bank]->maskb = gpio_bank_saved[bank].maskb;
+		if (mask)
+			bfin_internal_set_wake(sic_iwr_irqs[bank], ctrl);
 	}
-	AWA_DUMMY_READ(maskb);
+	return 0;
 }
 
 void bfin_gpio_pm_hibernate_suspend(void)
@@ -708,16 +606,11 @@ void bfin_gpio_pm_hibernate_restore(void)
 #else /* CONFIG_BF54x */
 #ifdef CONFIG_PM
 
-u32 bfin_pm_standby_setup(void)
+int bfin_pm_standby_ctrl(unsigned ctrl)
 {
 	return 0;
 }
 
-void bfin_pm_standby_restore(void)
-{
-
-}
-
 void bfin_gpio_pm_hibernate_suspend(void)
 {
 	int i, bank;
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 7ad8878bfa1..ce988713445 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -662,14 +662,7 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type)
 #ifdef CONFIG_PM
 int bfin_gpio_set_wake(unsigned int irq, unsigned int state)
 {
-	unsigned gpio = irq_to_gpio(irq);
-
-	if (state)
-		gpio_pm_wakeup_request(gpio, PM_WAKE_IGNORE);
-	else
-		gpio_pm_wakeup_free(gpio);
-
-	return 0;
+	return gpio_pm_wakeup_ctrl(irq_to_gpio(irq), state);
 }
 #endif
 
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index c1f1ccc846f..ea7f95f6bb4 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -20,35 +20,11 @@
 #include <asm/dma.h>
 #include <asm/dpmc.h>
 
-#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_H
-#define WAKEUP_TYPE	PM_WAKE_HIGH
-#endif
-
-#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_L
-#define WAKEUP_TYPE	PM_WAKE_LOW
-#endif
-
-#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_EDGE_F
-#define WAKEUP_TYPE	PM_WAKE_FALLING
-#endif
-
-#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_EDGE_R
-#define WAKEUP_TYPE	PM_WAKE_RISING
-#endif
-
-#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_EDGE_B
-#define WAKEUP_TYPE	PM_WAKE_BOTH_EDGES
-#endif
-
 
 void bfin_pm_suspend_standby_enter(void)
 {
 	unsigned long flags;
 
-#ifdef CONFIG_PM_WAKEUP_BY_GPIO
-	gpio_pm_wakeup_request(CONFIG_PM_WAKEUP_GPIO_NUMBER, WAKEUP_TYPE);
-#endif
-
 	local_irq_save_hw(flags);
 	bfin_pm_standby_setup();
 

From 2a12c4632db1c0c548a7023e63869b27c7789a92 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Thu, 11 Mar 2010 16:24:18 +0000
Subject: [PATCH 2483/3638] Blackfin: split kernel/traps.c

The current kernel/traps.c file has grown a bit unwieldy as more debugging
functionality has been added over time, so split it up into more logical
files.  There should be no functional changes here, just minor whitespace
tweaking.  This should make future extensions easier to manage.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/include/asm/trace.h |   2 +
 arch/blackfin/kernel/Makefile     |   3 +-
 arch/blackfin/kernel/dumpstack.c  | 181 ++++++
 arch/blackfin/kernel/exception.c  |  45 ++
 arch/blackfin/kernel/sys_bfin.c   |  23 +
 arch/blackfin/kernel/trace.c      | 594 ++++++++++++++++++++
 arch/blackfin/kernel/traps.c      | 881 ++----------------------------
 7 files changed, 890 insertions(+), 839 deletions(-)
 create mode 100644 arch/blackfin/kernel/dumpstack.c
 create mode 100644 arch/blackfin/kernel/exception.c
 create mode 100644 arch/blackfin/kernel/trace.c

diff --git a/arch/blackfin/include/asm/trace.h b/arch/blackfin/include/asm/trace.h
index dc0aa55ae77..395decd8bc3 100644
--- a/arch/blackfin/include/asm/trace.h
+++ b/arch/blackfin/include/asm/trace.h
@@ -23,6 +23,8 @@
 #ifndef __ASSEMBLY__
 extern unsigned long trace_buff_offset;
 extern unsigned long software_trace_buff[];
+extern void decode_address(char *buf, unsigned long address);
+extern bool get_instruction(unsigned short *val, unsigned short *address);
 
 /* Trace Macros for C files */
 
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index 346a421f156..b32a04a95d9 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -7,7 +7,8 @@ extra-y := init_task.o vmlinux.lds
 obj-y := \
 	entry.o process.o bfin_ksyms.o ptrace.o setup.o signal.o \
 	sys_bfin.o traps.o irqchip.o dma-mapping.o flat.o \
-	fixed_code.o reboot.o bfin_gpio.o bfin_dma_5xx.o
+	fixed_code.o reboot.o bfin_gpio.o bfin_dma_5xx.o \
+	trace.o exception.o dumpstack.o
 
 ifeq ($(CONFIG_GENERIC_CLOCKEVENTS),y)
     obj-y += time-ts.o
diff --git a/arch/blackfin/kernel/dumpstack.c b/arch/blackfin/kernel/dumpstack.c
new file mode 100644
index 00000000000..e81392c9d1d
--- /dev/null
+++ b/arch/blackfin/kernel/dumpstack.c
@@ -0,0 +1,181 @@
+/* Provide basic stack dumping functions
+ *
+ * Copyright 2004-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later
+ */
+
+#include <linux/kernel.h>
+#include <linux/thread_info.h>
+#include <linux/mm.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <asm/trace.h>
+
+/*
+ * Checks to see if the address pointed to is either a
+ * 16-bit CALL instruction, or a 32-bit CALL instruction
+ */
+static bool is_bfin_call(unsigned short *addr)
+{
+	unsigned short opcode = 0, *ins_addr;
+	ins_addr = (unsigned short *)addr;
+
+	if (!get_instruction(&opcode, ins_addr))
+		return false;
+
+	if ((opcode >= 0x0060 && opcode <= 0x0067) ||
+	    (opcode >= 0x0070 && opcode <= 0x0077))
+		return true;
+
+	ins_addr--;
+	if (!get_instruction(&opcode, ins_addr))
+		return false;
+
+	if (opcode >= 0xE300 && opcode <= 0xE3FF)
+		return true;
+
+	return false;
+
+}
+
+void show_stack(struct task_struct *task, unsigned long *stack)
+{
+#ifdef CONFIG_PRINTK
+	unsigned int *addr, *endstack, *fp = 0, *frame;
+	unsigned short *ins_addr;
+	char buf[150];
+	unsigned int i, j, ret_addr, frame_no = 0;
+
+	/*
+	 * If we have been passed a specific stack, use that one otherwise
+	 *    if we have been passed a task structure, use that, otherwise
+	 *    use the stack of where the variable "stack" exists
+	 */
+
+	if (stack == NULL) {
+		if (task) {
+			/* We know this is a kernel stack, so this is the start/end */
+			stack = (unsigned long *)task->thread.ksp;
+			endstack = (unsigned int *)(((unsigned int)(stack) & ~(THREAD_SIZE - 1)) + THREAD_SIZE);
+		} else {
+			/* print out the existing stack info */
+			stack = (unsigned long *)&stack;
+			endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack);
+		}
+	} else
+		endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack);
+
+	printk(KERN_NOTICE "Stack info:\n");
+	decode_address(buf, (unsigned int)stack);
+	printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf);
+
+	if (!access_ok(VERIFY_READ, stack, (unsigned int)endstack - (unsigned int)stack)) {
+		printk(KERN_NOTICE "Invalid stack pointer\n");
+		return;
+	}
+
+	/* First thing is to look for a frame pointer */
+	for (addr = (unsigned int *)((unsigned int)stack & ~0xF); addr < endstack; addr++) {
+		if (*addr & 0x1)
+			continue;
+		ins_addr = (unsigned short *)*addr;
+		ins_addr--;
+		if (is_bfin_call(ins_addr))
+			fp = addr - 1;
+
+		if (fp) {
+			/* Let's check to see if it is a frame pointer */
+			while (fp >= (addr - 1) && fp < endstack
+			       && fp && ((unsigned int) fp & 0x3) == 0)
+				fp = (unsigned int *)*fp;
+			if (fp == 0 || fp == endstack) {
+				fp = addr - 1;
+				break;
+			}
+			fp = 0;
+		}
+	}
+	if (fp) {
+		frame = fp;
+		printk(KERN_NOTICE " FP: (0x%p)\n", fp);
+	} else
+		frame = 0;
+
+	/*
+	 * Now that we think we know where things are, we
+	 * walk the stack again, this time printing things out
+	 * incase there is no frame pointer, we still look for
+	 * valid return addresses
+	 */
+
+	/* First time print out data, next time, print out symbols */
+	for (j = 0; j <= 1; j++) {
+		if (j)
+			printk(KERN_NOTICE "Return addresses in stack:\n");
+		else
+			printk(KERN_NOTICE " Memory from 0x%08lx to %p", ((long unsigned int)stack & ~0xF), endstack);
+
+		fp = frame;
+		frame_no = 0;
+
+		for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0;
+		     addr < endstack; addr++, i++) {
+
+			ret_addr = 0;
+			if (!j && i % 8 == 0)
+				printk(KERN_NOTICE "%p:", addr);
+
+			/* if it is an odd address, or zero, just skip it */
+			if (*addr & 0x1 || !*addr)
+				goto print;
+
+			ins_addr = (unsigned short *)*addr;
+
+			/* Go back one instruction, and see if it is a CALL */
+			ins_addr--;
+			ret_addr = is_bfin_call(ins_addr);
+ print:
+			if (!j && stack == (unsigned long *)addr)
+				printk("[%08x]", *addr);
+			else if (ret_addr)
+				if (j) {
+					decode_address(buf, (unsigned int)*addr);
+					if (frame == addr) {
+						printk(KERN_NOTICE "   frame %2i : %s\n", frame_no, buf);
+						continue;
+					}
+					printk(KERN_NOTICE "    address : %s\n", buf);
+				} else
+					printk("<%08x>", *addr);
+			else if (fp == addr) {
+				if (j)
+					frame = addr+1;
+				else
+					printk("(%08x)", *addr);
+
+				fp = (unsigned int *)*addr;
+				frame_no++;
+
+			} else if (!j)
+				printk(" %08x ", *addr);
+		}
+		if (!j)
+			printk("\n");
+	}
+#endif
+}
+EXPORT_SYMBOL(show_stack);
+
+void dump_stack(void)
+{
+	unsigned long stack;
+#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
+	int tflags;
+#endif
+	trace_buffer_save(tflags);
+	dump_bfin_trace_buffer();
+	show_stack(current, &stack);
+	trace_buffer_restore(tflags);
+}
+EXPORT_SYMBOL(dump_stack);
diff --git a/arch/blackfin/kernel/exception.c b/arch/blackfin/kernel/exception.c
new file mode 100644
index 00000000000..9208b5fd518
--- /dev/null
+++ b/arch/blackfin/kernel/exception.c
@@ -0,0 +1,45 @@
+/* Basic functions for adding/removing custom exception handlers
+ *
+ * Copyright 2004-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later
+ */
+
+#include <linux/module.h>
+#include <asm/irq_handler.h>
+
+int bfin_request_exception(unsigned int exception, void (*handler)(void))
+{
+	void (*curr_handler)(void);
+
+	if (exception > 0x3F)
+		return -EINVAL;
+
+	curr_handler = ex_table[exception];
+
+	if (curr_handler != ex_replaceable)
+		return -EBUSY;
+
+	ex_table[exception] = handler;
+
+	return 0;
+}
+EXPORT_SYMBOL(bfin_request_exception);
+
+int bfin_free_exception(unsigned int exception, void (*handler)(void))
+{
+	void (*curr_handler)(void);
+
+	if (exception > 0x3F)
+		return -EINVAL;
+
+	curr_handler = ex_table[exception];
+
+	if (curr_handler != handler)
+		return -EBUSY;
+
+	ex_table[exception] = ex_replaceable;
+
+	return 0;
+}
+EXPORT_SYMBOL(bfin_free_exception);
diff --git a/arch/blackfin/kernel/sys_bfin.c b/arch/blackfin/kernel/sys_bfin.c
index 2e7f8e10bf8..bdc1e2f0da3 100644
--- a/arch/blackfin/kernel/sys_bfin.c
+++ b/arch/blackfin/kernel/sys_bfin.c
@@ -47,3 +47,26 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr,
 }
 EXPORT_SYMBOL(get_fb_unmapped_area);
 #endif
+
+/* Needed for legacy userspace atomic emulation */
+static DEFINE_SPINLOCK(bfin_spinlock_lock);
+
+#ifdef CONFIG_SYS_BFIN_SPINLOCK_L1
+__attribute__((l1_text))
+#endif
+asmlinkage int sys_bfin_spinlock(int *p)
+{
+	int ret, tmp = 0;
+
+	spin_lock(&bfin_spinlock_lock); /* This would also hold kernel preemption. */
+	ret = get_user(tmp, p);
+	if (likely(ret == 0)) {
+		if (unlikely(tmp))
+			ret = 1;
+		else
+			put_user(1, p);
+	}
+	spin_unlock(&bfin_spinlock_lock);
+
+	return ret;
+}
diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
new file mode 100644
index 00000000000..3a268c3ed47
--- /dev/null
+++ b/arch/blackfin/kernel/trace.c
@@ -0,0 +1,594 @@
+/* provide some functions which dump the trace buffer, in a nice way for people
+ * to read it, and understand what is going on
+ *
+ * Copyright 2004-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later
+ */
+
+#include <linux/kernel.h>
+#include <linux/hardirq.h>
+#include <linux/thread_info.h>
+#include <linux/mm.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+#include <linux/err.h>
+#include <linux/fs.h>
+#include <asm/dma.h>
+#include <asm/trace.h>
+#include <asm/fixed_code.h>
+#include <asm/traps.h>
+
+#ifdef CONFIG_DEBUG_VERBOSE
+#define verbose_printk(fmt, arg...) \
+	printk(fmt, ##arg)
+#else
+#define verbose_printk(fmt, arg...) \
+	({ if (0) printk(fmt, ##arg); 0; })
+#endif
+
+
+void decode_address(char *buf, unsigned long address)
+{
+#ifdef CONFIG_DEBUG_VERBOSE
+	struct task_struct *p;
+	struct mm_struct *mm;
+	unsigned long flags, offset;
+	unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
+	struct rb_node *n;
+
+#ifdef CONFIG_KALLSYMS
+	unsigned long symsize;
+	const char *symname;
+	char *modname;
+	char *delim = ":";
+	char namebuf[128];
+#endif
+
+	buf += sprintf(buf, "<0x%08lx> ", address);
+
+#ifdef CONFIG_KALLSYMS
+	/* look up the address and see if we are in kernel space */
+	symname = kallsyms_lookup(address, &symsize, &offset, &modname, namebuf);
+
+	if (symname) {
+		/* yeah! kernel space! */
+		if (!modname)
+			modname = delim = "";
+		sprintf(buf, "{ %s%s%s%s + 0x%lx }",
+			delim, modname, delim, symname,
+			(unsigned long)offset);
+		return;
+	}
+#endif
+
+	if (address >= FIXED_CODE_START && address < FIXED_CODE_END) {
+		/* Problem in fixed code section? */
+		strcat(buf, "/* Maybe fixed code section */");
+		return;
+
+	} else if (address < CONFIG_BOOT_LOAD) {
+		/* Problem somewhere before the kernel start address */
+		strcat(buf, "/* Maybe null pointer? */");
+		return;
+
+	} else if (address >= COREMMR_BASE) {
+		strcat(buf, "/* core mmrs */");
+		return;
+
+	} else if (address >= SYSMMR_BASE) {
+		strcat(buf, "/* system mmrs */");
+		return;
+
+	} else if (address >= L1_ROM_START && address < L1_ROM_START + L1_ROM_LENGTH) {
+		strcat(buf, "/* on-chip L1 ROM */");
+		return;
+	}
+
+	/*
+	 * Don't walk any of the vmas if we are oopsing, it has been known
+	 * to cause problems - corrupt vmas (kernel crashes) cause double faults
+	 */
+	if (oops_in_progress) {
+		strcat(buf, "/* kernel dynamic memory (maybe user-space) */");
+		return;
+	}
+
+	/* looks like we're off in user-land, so let's walk all the
+	 * mappings of all our processes and see if we can't be a whee
+	 * bit more specific
+	 */
+	write_lock_irqsave(&tasklist_lock, flags);
+	for_each_process(p) {
+		mm = (in_atomic ? p->mm : get_task_mm(p));
+		if (!mm)
+			continue;
+
+		if (!down_read_trylock(&mm->mmap_sem)) {
+			if (!in_atomic)
+				mmput(mm);
+			continue;
+		}
+
+		for (n = rb_first(&mm->mm_rb); n; n = rb_next(n)) {
+			struct vm_area_struct *vma;
+
+			vma = rb_entry(n, struct vm_area_struct, vm_rb);
+
+			if (address >= vma->vm_start && address < vma->vm_end) {
+				char _tmpbuf[256];
+				char *name = p->comm;
+				struct file *file = vma->vm_file;
+
+				if (file) {
+					char *d_name = d_path(&file->f_path, _tmpbuf,
+						      sizeof(_tmpbuf));
+					if (!IS_ERR(d_name))
+						name = d_name;
+				}
+
+				/* FLAT does not have its text aligned to the start of
+				 * the map while FDPIC ELF does ...
+				 */
+
+				/* before we can check flat/fdpic, we need to
+				 * make sure current is valid
+				 */
+				if ((unsigned long)current >= FIXED_CODE_START &&
+				    !((unsigned long)current & 0x3)) {
+					if (current->mm &&
+					    (address > current->mm->start_code) &&
+					    (address < current->mm->end_code))
+						offset = address - current->mm->start_code;
+					else
+						offset = (address - vma->vm_start) +
+							 (vma->vm_pgoff << PAGE_SHIFT);
+
+					sprintf(buf, "[ %s + 0x%lx ]", name, offset);
+				} else
+					sprintf(buf, "[ %s vma:0x%lx-0x%lx]",
+						name, vma->vm_start, vma->vm_end);
+
+				up_read(&mm->mmap_sem);
+				if (!in_atomic)
+					mmput(mm);
+
+				if (buf[0] == '\0')
+					sprintf(buf, "[ %s ] dynamic memory", name);
+
+				goto done;
+			}
+		}
+
+		up_read(&mm->mmap_sem);
+		if (!in_atomic)
+			mmput(mm);
+	}
+
+	/*
+	 * we were unable to find this address anywhere,
+	 * or some MMs were skipped because they were in use.
+	 */
+	sprintf(buf, "/* kernel dynamic memory */");
+
+done:
+	write_unlock_irqrestore(&tasklist_lock, flags);
+#else
+	sprintf(buf, " ");
+#endif
+}
+
+#define EXPAND_LEN ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 256 - 1)
+
+/*
+ * Similar to get_user, do some address checking, then dereference
+ * Return true on success, false on bad address
+ */
+bool get_instruction(unsigned short *val, unsigned short *address)
+{
+	unsigned long addr = (unsigned long)address;
+
+	/* Check for odd addresses */
+	if (addr & 0x1)
+		return false;
+
+	/* MMR region will never have instructions */
+	if (addr >= SYSMMR_BASE)
+		return false;
+
+	switch (bfin_mem_access_type(addr, 2)) {
+	case BFIN_MEM_ACCESS_CORE:
+	case BFIN_MEM_ACCESS_CORE_ONLY:
+		*val = *address;
+		return true;
+	case BFIN_MEM_ACCESS_DMA:
+		dma_memcpy(val, address, 2);
+		return true;
+	case BFIN_MEM_ACCESS_ITEST:
+		isram_memcpy(val, address, 2);
+		return true;
+	default: /* invalid access */
+		return false;
+	}
+}
+
+/*
+ * decode the instruction if we are printing out the trace, as it
+ * makes things easier to follow, without running it through objdump
+ * These are the normal instructions which cause change of flow, which
+ * would be at the source of the trace buffer
+ */
+#if defined(CONFIG_DEBUG_VERBOSE) && defined(CONFIG_DEBUG_BFIN_HWTRACE_ON)
+static void decode_instruction(unsigned short *address)
+{
+	unsigned short opcode;
+
+	if (get_instruction(&opcode, address)) {
+		if (opcode == 0x0010)
+			verbose_printk("RTS");
+		else if (opcode == 0x0011)
+			verbose_printk("RTI");
+		else if (opcode == 0x0012)
+			verbose_printk("RTX");
+		else if (opcode == 0x0013)
+			verbose_printk("RTN");
+		else if (opcode == 0x0014)
+			verbose_printk("RTE");
+		else if (opcode == 0x0025)
+			verbose_printk("EMUEXCPT");
+		else if (opcode >= 0x0040 && opcode <= 0x0047)
+			verbose_printk("STI R%i", opcode & 7);
+		else if (opcode >= 0x0050 && opcode <= 0x0057)
+			verbose_printk("JUMP (P%i)", opcode & 7);
+		else if (opcode >= 0x0060 && opcode <= 0x0067)
+			verbose_printk("CALL (P%i)", opcode & 7);
+		else if (opcode >= 0x0070 && opcode <= 0x0077)
+			verbose_printk("CALL (PC+P%i)", opcode & 7);
+		else if (opcode >= 0x0080 && opcode <= 0x0087)
+			verbose_printk("JUMP (PC+P%i)", opcode & 7);
+		else if (opcode >= 0x0090 && opcode <= 0x009F)
+			verbose_printk("RAISE 0x%x", opcode & 0xF);
+		else if (opcode >= 0x00A0 && opcode <= 0x00AF)
+			verbose_printk("EXCPT 0x%x", opcode & 0xF);
+		else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF))
+			verbose_printk("IF !CC JUMP");
+		else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff))
+			verbose_printk("IF CC JUMP");
+		else if (opcode >= 0x2000 && opcode <= 0x2fff)
+			verbose_printk("JUMP.S");
+		else if (opcode >= 0xe080 && opcode <= 0xe0ff)
+			verbose_printk("LSETUP");
+		else if (opcode >= 0xe200 && opcode <= 0xe2ff)
+			verbose_printk("JUMP.L");
+		else if (opcode >= 0xe300 && opcode <= 0xe3ff)
+			verbose_printk("CALL pcrel");
+		else
+			verbose_printk("0x%04x", opcode);
+	}
+
+}
+#endif
+
+void dump_bfin_trace_buffer(void)
+{
+#ifdef CONFIG_DEBUG_VERBOSE
+#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
+	int tflags, i = 0;
+	char buf[150];
+	unsigned short *addr;
+#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
+	int j, index;
+#endif
+
+	trace_buffer_save(tflags);
+
+	printk(KERN_NOTICE "Hardware Trace:\n");
+
+#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
+	printk(KERN_NOTICE "WARNING: Expanded trace turned on - can not trace exceptions\n");
+#endif
+
+	if (likely(bfin_read_TBUFSTAT() & TBUFCNT)) {
+		for (; bfin_read_TBUFSTAT() & TBUFCNT; i++) {
+			decode_address(buf, (unsigned long)bfin_read_TBUF());
+			printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
+			addr = (unsigned short *)bfin_read_TBUF();
+			decode_address(buf, (unsigned long)addr);
+			printk(KERN_NOTICE "     Source : %s ", buf);
+			decode_instruction(addr);
+			printk("\n");
+		}
+	}
+
+#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
+	if (trace_buff_offset)
+		index = trace_buff_offset / 4;
+	else
+		index = EXPAND_LEN;
+
+	j = (1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 128;
+	while (j) {
+		decode_address(buf, software_trace_buff[index]);
+		printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
+		index -= 1;
+		if (index < 0)
+			index = EXPAND_LEN;
+		decode_address(buf, software_trace_buff[index]);
+		printk(KERN_NOTICE "     Source : %s ", buf);
+		decode_instruction((unsigned short *)software_trace_buff[index]);
+		printk("\n");
+		index -= 1;
+		if (index < 0)
+			index = EXPAND_LEN;
+		j--;
+		i++;
+	}
+#endif
+
+	trace_buffer_restore(tflags);
+#endif
+#endif
+}
+EXPORT_SYMBOL(dump_bfin_trace_buffer);
+
+void dump_bfin_process(struct pt_regs *fp)
+{
+#ifdef CONFIG_DEBUG_VERBOSE
+	/* We should be able to look at fp->ipend, but we don't push it on the
+	 * stack all the time, so do this until we fix that */
+	unsigned int context = bfin_read_IPEND();
+
+	if (oops_in_progress)
+		verbose_printk(KERN_EMERG "Kernel OOPS in progress\n");
+
+	if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR)
+		verbose_printk(KERN_NOTICE "HW Error context\n");
+	else if (context & 0x0020)
+		verbose_printk(KERN_NOTICE "Deferred Exception context\n");
+	else if (context & 0x3FC0)
+		verbose_printk(KERN_NOTICE "Interrupt context\n");
+	else if (context & 0x4000)
+		verbose_printk(KERN_NOTICE "Deferred Interrupt context\n");
+	else if (context & 0x8000)
+		verbose_printk(KERN_NOTICE "Kernel process context\n");
+
+	/* Because we are crashing, and pointers could be bad, we check things
+	 * pretty closely before we use them
+	 */
+	if ((unsigned long)current >= FIXED_CODE_START &&
+	    !((unsigned long)current & 0x3) && current->pid) {
+		verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n");
+		if (current->comm >= (char *)FIXED_CODE_START)
+			verbose_printk(KERN_NOTICE "COMM=%s PID=%d",
+				current->comm, current->pid);
+		else
+			verbose_printk(KERN_NOTICE "COMM= invalid");
+
+		printk(KERN_CONT " CPU=%d\n", current_thread_info()->cpu);
+		if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START)
+			verbose_printk(KERN_NOTICE
+				"TEXT = 0x%p-0x%p        DATA = 0x%p-0x%p\n"
+				" BSS = 0x%p-0x%p  USER-STACK = 0x%p\n\n",
+				(void *)current->mm->start_code,
+				(void *)current->mm->end_code,
+				(void *)current->mm->start_data,
+				(void *)current->mm->end_data,
+				(void *)current->mm->end_data,
+				(void *)current->mm->brk,
+				(void *)current->mm->start_stack);
+		else
+			verbose_printk(KERN_NOTICE "invalid mm\n");
+	} else
+		verbose_printk(KERN_NOTICE
+			       "No Valid process in current context\n");
+#endif
+}
+
+void dump_bfin_mem(struct pt_regs *fp)
+{
+#ifdef CONFIG_DEBUG_VERBOSE
+	unsigned short *addr, *erraddr, val = 0, err = 0;
+	char sti = 0, buf[6];
+
+	erraddr = (void *)fp->pc;
+
+	verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr);
+
+	for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10;
+	     addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10;
+	     addr++) {
+		if (!((unsigned long)addr & 0xF))
+			verbose_printk(KERN_NOTICE "0x%p: ", addr);
+
+		if (!get_instruction(&val, addr)) {
+				val = 0;
+				sprintf(buf, "????");
+		} else
+			sprintf(buf, "%04x", val);
+
+		if (addr == erraddr) {
+			verbose_printk("[%s]", buf);
+			err = val;
+		} else
+			verbose_printk(" %s ", buf);
+
+		/* Do any previous instructions turn on interrupts? */
+		if (addr <= erraddr &&				/* in the past */
+		    ((val >= 0x0040 && val <= 0x0047) ||	/* STI instruction */
+		      val == 0x017b))				/* [SP++] = RETI */
+			sti = 1;
+	}
+
+	verbose_printk("\n");
+
+	/* Hardware error interrupts can be deferred */
+	if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR &&
+	    oops_in_progress)){
+		verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n");
+#ifndef CONFIG_DEBUG_HWERR
+		verbose_printk(KERN_NOTICE
+"The remaining message may be meaningless\n"
+"You should enable CONFIG_DEBUG_HWERR to get a better idea where it came from\n");
+#else
+		/* If we are handling only one peripheral interrupt
+		 * and current mm and pid are valid, and the last error
+		 * was in that user space process's text area
+		 * print it out - because that is where the problem exists
+		 */
+		if ((!(((fp)->ipend & ~0x30) & (((fp)->ipend & ~0x30) - 1))) &&
+		     (current->pid && current->mm)) {
+			/* And the last RETI points to the current userspace context */
+			if ((fp + 1)->pc >= current->mm->start_code &&
+			    (fp + 1)->pc <= current->mm->end_code) {
+				verbose_printk(KERN_NOTICE "It might be better to look around here :\n");
+				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
+				show_regs(fp + 1);
+				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
+			}
+		}
+#endif
+	}
+#endif
+}
+
+void show_regs(struct pt_regs *fp)
+{
+#ifdef CONFIG_DEBUG_VERBOSE
+	char buf[150];
+	struct irqaction *action;
+	unsigned int i;
+	unsigned long flags = 0;
+	unsigned int cpu = raw_smp_processor_id();
+	unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
+
+	verbose_printk(KERN_NOTICE "\n");
+	if (CPUID != bfin_cpuid())
+		verbose_printk(KERN_NOTICE "Compiled for cpu family 0x%04x (Rev %d), "
+			"but running on:0x%04x (Rev %d)\n",
+			CPUID, bfin_compiled_revid(), bfin_cpuid(), bfin_revid());
+
+	verbose_printk(KERN_NOTICE "ADSP-%s-0.%d",
+		CPU, bfin_compiled_revid());
+
+	if (bfin_compiled_revid() !=  bfin_revid())
+		verbose_printk("(Detected 0.%d)", bfin_revid());
+
+	verbose_printk(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n",
+		get_cclk()/1000000, get_sclk()/1000000,
+#ifdef CONFIG_MPU
+		"mpu on"
+#else
+		"mpu off"
+#endif
+		);
+
+	verbose_printk(KERN_NOTICE "%s", linux_banner);
+
+	verbose_printk(KERN_NOTICE "\nSEQUENCER STATUS:\t\t%s\n", print_tainted());
+	verbose_printk(KERN_NOTICE " SEQSTAT: %08lx  IPEND: %04lx  IMASK: %04lx  SYSCFG: %04lx\n",
+		(long)fp->seqstat, fp->ipend, cpu_pda[raw_smp_processor_id()].ex_imask, fp->syscfg);
+	if (fp->ipend & EVT_IRPTEN)
+		verbose_printk(KERN_NOTICE "  Global Interrupts Disabled (IPEND[4])\n");
+	if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG13 | EVT_IVG12 | EVT_IVG11 |
+			EVT_IVG10 | EVT_IVG9 | EVT_IVG8 | EVT_IVG7 | EVT_IVTMR)))
+		verbose_printk(KERN_NOTICE "  Peripheral interrupts masked off\n");
+	if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG15 | EVT_IVG14)))
+		verbose_printk(KERN_NOTICE "  Kernel interrupts masked off\n");
+	if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) {
+		verbose_printk(KERN_NOTICE "  HWERRCAUSE: 0x%lx\n",
+			(fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14);
+#ifdef EBIU_ERRMST
+		/* If the error was from the EBIU, print it out */
+		if (bfin_read_EBIU_ERRMST() & CORE_ERROR) {
+			verbose_printk(KERN_NOTICE "  EBIU Error Reason  : 0x%04x\n",
+				bfin_read_EBIU_ERRMST());
+			verbose_printk(KERN_NOTICE "  EBIU Error Address : 0x%08x\n",
+				bfin_read_EBIU_ERRADD());
+		}
+#endif
+	}
+	verbose_printk(KERN_NOTICE "  EXCAUSE   : 0x%lx\n",
+		fp->seqstat & SEQSTAT_EXCAUSE);
+	for (i = 2; i <= 15 ; i++) {
+		if (fp->ipend & (1 << i)) {
+			if (i != 4) {
+				decode_address(buf, bfin_read32(EVT0 + 4*i));
+				verbose_printk(KERN_NOTICE "  physical IVG%i asserted : %s\n", i, buf);
+			} else
+				verbose_printk(KERN_NOTICE "  interrupts disabled\n");
+		}
+	}
+
+	/* if no interrupts are going off, don't print this out */
+	if (fp->ipend & ~0x3F) {
+		for (i = 0; i < (NR_IRQS - 1); i++) {
+			if (!in_atomic)
+				raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
+
+			action = irq_desc[i].action;
+			if (!action)
+				goto unlock;
+
+			decode_address(buf, (unsigned int)action->handler);
+			verbose_printk(KERN_NOTICE "  logical irq %3d mapped  : %s", i, buf);
+			for (action = action->next; action; action = action->next) {
+				decode_address(buf, (unsigned int)action->handler);
+				verbose_printk(", %s", buf);
+			}
+			verbose_printk("\n");
+unlock:
+			if (!in_atomic)
+				raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+		}
+	}
+
+	decode_address(buf, fp->rete);
+	verbose_printk(KERN_NOTICE " RETE: %s\n", buf);
+	decode_address(buf, fp->retn);
+	verbose_printk(KERN_NOTICE " RETN: %s\n", buf);
+	decode_address(buf, fp->retx);
+	verbose_printk(KERN_NOTICE " RETX: %s\n", buf);
+	decode_address(buf, fp->rets);
+	verbose_printk(KERN_NOTICE " RETS: %s\n", buf);
+	decode_address(buf, fp->pc);
+	verbose_printk(KERN_NOTICE " PC  : %s\n", buf);
+
+	if (((long)fp->seqstat &  SEQSTAT_EXCAUSE) &&
+	    (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) {
+		decode_address(buf, cpu_pda[cpu].dcplb_fault_addr);
+		verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf);
+		decode_address(buf, cpu_pda[cpu].icplb_fault_addr);
+		verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf);
+	}
+
+	verbose_printk(KERN_NOTICE "PROCESSOR STATE:\n");
+	verbose_printk(KERN_NOTICE " R0 : %08lx    R1 : %08lx    R2 : %08lx    R3 : %08lx\n",
+		fp->r0, fp->r1, fp->r2, fp->r3);
+	verbose_printk(KERN_NOTICE " R4 : %08lx    R5 : %08lx    R6 : %08lx    R7 : %08lx\n",
+		fp->r4, fp->r5, fp->r6, fp->r7);
+	verbose_printk(KERN_NOTICE " P0 : %08lx    P1 : %08lx    P2 : %08lx    P3 : %08lx\n",
+		fp->p0, fp->p1, fp->p2, fp->p3);
+	verbose_printk(KERN_NOTICE " P4 : %08lx    P5 : %08lx    FP : %08lx    SP : %08lx\n",
+		fp->p4, fp->p5, fp->fp, (long)fp);
+	verbose_printk(KERN_NOTICE " LB0: %08lx    LT0: %08lx    LC0: %08lx\n",
+		fp->lb0, fp->lt0, fp->lc0);
+	verbose_printk(KERN_NOTICE " LB1: %08lx    LT1: %08lx    LC1: %08lx\n",
+		fp->lb1, fp->lt1, fp->lc1);
+	verbose_printk(KERN_NOTICE " B0 : %08lx    L0 : %08lx    M0 : %08lx    I0 : %08lx\n",
+		fp->b0, fp->l0, fp->m0, fp->i0);
+	verbose_printk(KERN_NOTICE " B1 : %08lx    L1 : %08lx    M1 : %08lx    I1 : %08lx\n",
+		fp->b1, fp->l1, fp->m1, fp->i1);
+	verbose_printk(KERN_NOTICE " B2 : %08lx    L2 : %08lx    M2 : %08lx    I2 : %08lx\n",
+		fp->b2, fp->l2, fp->m2, fp->i2);
+	verbose_printk(KERN_NOTICE " B3 : %08lx    L3 : %08lx    M3 : %08lx    I3 : %08lx\n",
+		fp->b3, fp->l3, fp->m3, fp->i3);
+	verbose_printk(KERN_NOTICE "A0.w: %08lx   A0.x: %08lx   A1.w: %08lx   A1.x: %08lx\n",
+		fp->a0w, fp->a0x, fp->a1w, fp->a1x);
+
+	verbose_printk(KERN_NOTICE "USP : %08lx  ASTAT: %08lx\n",
+		rdusp(), fp->astat);
+
+	verbose_printk(KERN_NOTICE "\n");
+#endif
+}
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index ba70c4bc269..891cc39f7ee 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -1,20 +1,16 @@
 /*
- * Copyright 2004-2009 Analog Devices Inc.
+ * Main exception handling logic.
+ *
+ * Copyright 2004-2010 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later
  */
 
 #include <linux/bug.h>
 #include <linux/uaccess.h>
-#include <linux/interrupt.h>
 #include <linux/module.h>
-#include <linux/kallsyms.h>
-#include <linux/fs.h>
-#include <linux/rbtree.h>
 #include <asm/traps.h>
-#include <asm/cacheflush.h>
 #include <asm/cplb.h>
-#include <asm/dma.h>
 #include <asm/blackfin.h>
 #include <asm/irq_handler.h>
 #include <linux/irq.h>
@@ -62,194 +58,6 @@ void __init trap_init(void)
 	CSYNC();
 }
 
-static void decode_address(char *buf, unsigned long address)
-{
-#ifdef CONFIG_DEBUG_VERBOSE
-	struct task_struct *p;
-	struct mm_struct *mm;
-	unsigned long flags, offset;
-	unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
-	struct rb_node *n;
-
-#ifdef CONFIG_KALLSYMS
-	unsigned long symsize;
-	const char *symname;
-	char *modname;
-	char *delim = ":";
-	char namebuf[128];
-#endif
-
-	buf += sprintf(buf, "<0x%08lx> ", address);
-
-#ifdef CONFIG_KALLSYMS
-	/* look up the address and see if we are in kernel space */
-	symname = kallsyms_lookup(address, &symsize, &offset, &modname, namebuf);
-
-	if (symname) {
-		/* yeah! kernel space! */
-		if (!modname)
-			modname = delim = "";
-		sprintf(buf, "{ %s%s%s%s + 0x%lx }",
-		        delim, modname, delim, symname,
-		        (unsigned long)offset);
-		return;
-	}
-#endif
-
-	if (address >= FIXED_CODE_START && address < FIXED_CODE_END) {
-		/* Problem in fixed code section? */
-		strcat(buf, "/* Maybe fixed code section */");
-		return;
-
-	} else if (address < CONFIG_BOOT_LOAD) {
-		/* Problem somewhere before the kernel start address */
-		strcat(buf, "/* Maybe null pointer? */");
-		return;
-
-	} else if (address >= COREMMR_BASE) {
-		strcat(buf, "/* core mmrs */");
-		return;
-
-	} else if (address >= SYSMMR_BASE) {
-		strcat(buf, "/* system mmrs */");
-		return;
-
-	} else if (address >= L1_ROM_START && address < L1_ROM_START + L1_ROM_LENGTH) {
-		strcat(buf, "/* on-chip L1 ROM */");
-		return;
-	}
-
-	/*
-	 * Don't walk any of the vmas if we are oopsing, it has been known
-	 * to cause problems - corrupt vmas (kernel crashes) cause double faults
-	 */
-	if (oops_in_progress) {
-		strcat(buf, "/* kernel dynamic memory (maybe user-space) */");
-		return;
-	}
-
-	/* looks like we're off in user-land, so let's walk all the
-	 * mappings of all our processes and see if we can't be a whee
-	 * bit more specific
-	 */
-	write_lock_irqsave(&tasklist_lock, flags);
-	for_each_process(p) {
-		mm = (in_atomic ? p->mm : get_task_mm(p));
-		if (!mm)
-			continue;
-
-		if (!down_read_trylock(&mm->mmap_sem)) {
-			if (!in_atomic)
-				mmput(mm);
-			continue;
-		}
-
-		for (n = rb_first(&mm->mm_rb); n; n = rb_next(n)) {
-			struct vm_area_struct *vma;
-
-			vma = rb_entry(n, struct vm_area_struct, vm_rb);
-
-			if (address >= vma->vm_start && address < vma->vm_end) {
-				char _tmpbuf[256];
-				char *name = p->comm;
-				struct file *file = vma->vm_file;
-
-				if (file) {
-					char *d_name = d_path(&file->f_path, _tmpbuf,
-						      sizeof(_tmpbuf));
-					if (!IS_ERR(d_name))
-						name = d_name;
-				}
-
-				/* FLAT does not have its text aligned to the start of
-				 * the map while FDPIC ELF does ...
-				 */
-
-				/* before we can check flat/fdpic, we need to
-				 * make sure current is valid
-				 */
-				if ((unsigned long)current >= FIXED_CODE_START &&
-				    !((unsigned long)current & 0x3)) {
-					if (current->mm &&
-					    (address > current->mm->start_code) &&
-					    (address < current->mm->end_code))
-						offset = address - current->mm->start_code;
-					else
-						offset = (address - vma->vm_start) +
-							 (vma->vm_pgoff << PAGE_SHIFT);
-
-					sprintf(buf, "[ %s + 0x%lx ]", name, offset);
-				} else
-					sprintf(buf, "[ %s vma:0x%lx-0x%lx]",
-						name, vma->vm_start, vma->vm_end);
-
-				up_read(&mm->mmap_sem);
-				if (!in_atomic)
-					mmput(mm);
-
-				if (buf[0] == '\0')
-					sprintf(buf, "[ %s ] dynamic memory", name);
-
-				goto done;
-			}
-		}
-
-		up_read(&mm->mmap_sem);
-		if (!in_atomic)
-			mmput(mm);
-	}
-
-	/*
-	 * we were unable to find this address anywhere,
-	 * or some MMs were skipped because they were in use.
-	 */
-	sprintf(buf, "/* kernel dynamic memory */");
-
-done:
-	write_unlock_irqrestore(&tasklist_lock, flags);
-#else
-	sprintf(buf, " ");
-#endif
-}
-
-asmlinkage void double_fault_c(struct pt_regs *fp)
-{
-#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
-	int j;
-	trace_buffer_save(j);
-#endif
-
-	console_verbose();
-	oops_in_progress = 1;
-#ifdef CONFIG_DEBUG_VERBOSE
-	printk(KERN_EMERG "Double Fault\n");
-#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT
-	if (((long)fp->seqstat &  SEQSTAT_EXCAUSE) == VEC_UNCOV) {
-		unsigned int cpu = raw_smp_processor_id();
-		char buf[150];
-		decode_address(buf, cpu_pda[cpu].retx_doublefault);
-		printk(KERN_EMERG "While handling exception (EXCAUSE = 0x%x) at %s:\n",
-			(unsigned int)cpu_pda[cpu].seqstat_doublefault & SEQSTAT_EXCAUSE, buf);
-		decode_address(buf, cpu_pda[cpu].dcplb_doublefault_addr);
-		printk(KERN_NOTICE "   DCPLB_FAULT_ADDR: %s\n", buf);
-		decode_address(buf, cpu_pda[cpu].icplb_doublefault_addr);
-		printk(KERN_NOTICE "   ICPLB_FAULT_ADDR: %s\n", buf);
-
-		decode_address(buf, fp->retx);
-		printk(KERN_NOTICE "The instruction at %s caused a double exception\n", buf);
-	} else
-#endif
-	{
-		dump_bfin_process(fp);
-		dump_bfin_mem(fp);
-		show_regs(fp);
-		dump_bfin_trace_buffer();
-	}
-#endif
-	panic("Double Fault - unrecoverable event");
-
-}
-
 static int kernel_mode_regs(struct pt_regs *regs)
 {
 	return regs->ipend & 0xffc0;
@@ -672,659 +480,44 @@ asmlinkage notrace void trap_c(struct pt_regs *fp)
 	trace_buffer_restore(j);
 }
 
-/* Typical exception handling routines	*/
-
-#define EXPAND_LEN ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 256 - 1)
-
-/*
- * Similar to get_user, do some address checking, then dereference
- * Return true on success, false on bad address
- */
-static bool get_instruction(unsigned short *val, unsigned short *address)
+asmlinkage void double_fault_c(struct pt_regs *fp)
 {
-	unsigned long addr = (unsigned long)address;
-
-	/* Check for odd addresses */
-	if (addr & 0x1)
-		return false;
-
-	/* MMR region will never have instructions */
-	if (addr >= SYSMMR_BASE)
-		return false;
-
-	switch (bfin_mem_access_type(addr, 2)) {
-		case BFIN_MEM_ACCESS_CORE:
-		case BFIN_MEM_ACCESS_CORE_ONLY:
-			*val = *address;
-			return true;
-		case BFIN_MEM_ACCESS_DMA:
-			dma_memcpy(val, address, 2);
-			return true;
-		case BFIN_MEM_ACCESS_ITEST:
-			isram_memcpy(val, address, 2);
-			return true;
-		default: /* invalid access */
-			return false;
-	}
-}
-
-/*
- * decode the instruction if we are printing out the trace, as it
- * makes things easier to follow, without running it through objdump
- * These are the normal instructions which cause change of flow, which
- * would be at the source of the trace buffer
- */
-#if defined(CONFIG_DEBUG_VERBOSE) && defined(CONFIG_DEBUG_BFIN_HWTRACE_ON)
-static void decode_instruction(unsigned short *address)
-{
-	unsigned short opcode;
-
-	if (get_instruction(&opcode, address)) {
-		if (opcode == 0x0010)
-			verbose_printk("RTS");
-		else if (opcode == 0x0011)
-			verbose_printk("RTI");
-		else if (opcode == 0x0012)
-			verbose_printk("RTX");
-		else if (opcode == 0x0013)
-			verbose_printk("RTN");
-		else if (opcode == 0x0014)
-			verbose_printk("RTE");
-		else if (opcode == 0x0025)
-			verbose_printk("EMUEXCPT");
-		else if (opcode >= 0x0040 && opcode <= 0x0047)
-			verbose_printk("STI R%i", opcode & 7);
-		else if (opcode >= 0x0050 && opcode <= 0x0057)
-			verbose_printk("JUMP (P%i)", opcode & 7);
-		else if (opcode >= 0x0060 && opcode <= 0x0067)
-			verbose_printk("CALL (P%i)", opcode & 7);
-		else if (opcode >= 0x0070 && opcode <= 0x0077)
-			verbose_printk("CALL (PC+P%i)", opcode & 7);
-		else if (opcode >= 0x0080 && opcode <= 0x0087)
-			verbose_printk("JUMP (PC+P%i)", opcode & 7);
-		else if (opcode >= 0x0090 && opcode <= 0x009F)
-			verbose_printk("RAISE 0x%x", opcode & 0xF);
-		else if (opcode >= 0x00A0 && opcode <= 0x00AF)
-			verbose_printk("EXCPT 0x%x", opcode & 0xF);
-		else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF))
-			verbose_printk("IF !CC JUMP");
-		else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff))
-			verbose_printk("IF CC JUMP");
-		else if (opcode >= 0x2000 && opcode <= 0x2fff)
-			verbose_printk("JUMP.S");
-		else if (opcode >= 0xe080 && opcode <= 0xe0ff)
-			verbose_printk("LSETUP");
-		else if (opcode >= 0xe200 && opcode <= 0xe2ff)
-			verbose_printk("JUMP.L");
-		else if (opcode >= 0xe300 && opcode <= 0xe3ff)
-			verbose_printk("CALL pcrel");
-		else
-			verbose_printk("0x%04x", opcode);
-	}
-
-}
-#endif
-
-void dump_bfin_trace_buffer(void)
-{
-#ifdef CONFIG_DEBUG_VERBOSE
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
-	int tflags, i = 0;
-	char buf[150];
-	unsigned short *addr;
-#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
-	int j, index;
+	int j;
+	trace_buffer_save(j);
 #endif
 
-	trace_buffer_save(tflags);
-
-	printk(KERN_NOTICE "Hardware Trace:\n");
-
-#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
-	printk(KERN_NOTICE "WARNING: Expanded trace turned on - can not trace exceptions\n");
-#endif
-
-	if (likely(bfin_read_TBUFSTAT() & TBUFCNT)) {
-		for (; bfin_read_TBUFSTAT() & TBUFCNT; i++) {
-			decode_address(buf, (unsigned long)bfin_read_TBUF());
-			printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
-			addr = (unsigned short *)bfin_read_TBUF();
-			decode_address(buf, (unsigned long)addr);
-			printk(KERN_NOTICE "     Source : %s ", buf);
-			decode_instruction(addr);
-			printk("\n");
-		}
-	}
-
-#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
-	if (trace_buff_offset)
-		index = trace_buff_offset / 4;
-	else
-		index = EXPAND_LEN;
-
-	j = (1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 128;
-	while (j) {
-		decode_address(buf, software_trace_buff[index]);
-		printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
-		index -= 1;
-		if (index < 0 )
-			index = EXPAND_LEN;
-		decode_address(buf, software_trace_buff[index]);
-		printk(KERN_NOTICE "     Source : %s ", buf);
-		decode_instruction((unsigned short *)software_trace_buff[index]);
-		printk("\n");
-		index -= 1;
-		if (index < 0)
-			index = EXPAND_LEN;
-		j--;
-		i++;
-	}
-#endif
-
-	trace_buffer_restore(tflags);
-#endif
-#endif
-}
-EXPORT_SYMBOL(dump_bfin_trace_buffer);
-
-#ifdef CONFIG_BUG
-int is_valid_bugaddr(unsigned long addr)
-{
-	unsigned short opcode;
-
-	if (!get_instruction(&opcode, (unsigned short *)addr))
-		return 0;
-
-	return opcode == BFIN_BUG_OPCODE;
-}
-#endif
-
-/*
- * Checks to see if the address pointed to is either a
- * 16-bit CALL instruction, or a 32-bit CALL instruction
- */
-static bool is_bfin_call(unsigned short *addr)
-{
-	unsigned short opcode = 0, *ins_addr;
-	ins_addr = (unsigned short *)addr;
-
-	if (!get_instruction(&opcode, ins_addr))
-		return false;
-
-	if ((opcode >= 0x0060 && opcode <= 0x0067) ||
-	    (opcode >= 0x0070 && opcode <= 0x0077))
-		return true;
-
-	ins_addr--;
-	if (!get_instruction(&opcode, ins_addr))
-		return false;
-
-	if (opcode >= 0xE300 && opcode <= 0xE3FF)
-		return true;
-
-	return false;
-
-}
-
-void show_stack(struct task_struct *task, unsigned long *stack)
-{
-#ifdef CONFIG_PRINTK
-	unsigned int *addr, *endstack, *fp = 0, *frame;
-	unsigned short *ins_addr;
-	char buf[150];
-	unsigned int i, j, ret_addr, frame_no = 0;
-
-	/*
-	 * If we have been passed a specific stack, use that one otherwise
-	 *    if we have been passed a task structure, use that, otherwise
-	 *    use the stack of where the variable "stack" exists
-	 */
-
-	if (stack == NULL) {
-		if (task) {
-			/* We know this is a kernel stack, so this is the start/end */
-			stack = (unsigned long *)task->thread.ksp;
-			endstack = (unsigned int *)(((unsigned int)(stack) & ~(THREAD_SIZE - 1)) + THREAD_SIZE);
-		} else {
-			/* print out the existing stack info */
-			stack = (unsigned long *)&stack;
-			endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack);
-		}
-	} else
-		endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack);
-
-	printk(KERN_NOTICE "Stack info:\n");
-	decode_address(buf, (unsigned int)stack);
-	printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf);
-
-	if (!access_ok(VERIFY_READ, stack, (unsigned int)endstack - (unsigned int)stack)) {
-		printk(KERN_NOTICE "Invalid stack pointer\n");
-		return;
-	}
-
-	/* First thing is to look for a frame pointer */
-	for (addr = (unsigned int *)((unsigned int)stack & ~0xF); addr < endstack; addr++) {
-		if (*addr & 0x1)
-			continue;
-		ins_addr = (unsigned short *)*addr;
-		ins_addr--;
-		if (is_bfin_call(ins_addr))
-			fp = addr - 1;
-
-		if (fp) {
-			/* Let's check to see if it is a frame pointer */
-			while (fp >= (addr - 1) && fp < endstack
-			       && fp && ((unsigned int) fp & 0x3) == 0)
-				fp = (unsigned int *)*fp;
-			if (fp == 0 || fp == endstack) {
-				fp = addr - 1;
-				break;
-			}
-			fp = 0;
-		}
-	}
-	if (fp) {
-		frame = fp;
-		printk(KERN_NOTICE " FP: (0x%p)\n", fp);
-	} else
-		frame = 0;
-
-	/*
-	 * Now that we think we know where things are, we
-	 * walk the stack again, this time printing things out
-	 * incase there is no frame pointer, we still look for
-	 * valid return addresses
-	 */
-
-	/* First time print out data, next time, print out symbols */
-	for (j = 0; j <= 1; j++) {
-		if (j)
-			printk(KERN_NOTICE "Return addresses in stack:\n");
-		else
-			printk(KERN_NOTICE " Memory from 0x%08lx to %p", ((long unsigned int)stack & ~0xF), endstack);
-
-		fp = frame;
-		frame_no = 0;
-
-		for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0;
-		     addr < endstack; addr++, i++) {
-
-			ret_addr = 0;
-			if (!j && i % 8 == 0)
-				printk(KERN_NOTICE "%p:",addr);
-
-			/* if it is an odd address, or zero, just skip it */
-			if (*addr & 0x1 || !*addr)
-				goto print;
-
-			ins_addr = (unsigned short *)*addr;
-
-			/* Go back one instruction, and see if it is a CALL */
-			ins_addr--;
-			ret_addr = is_bfin_call(ins_addr);
- print:
-			if (!j && stack == (unsigned long *)addr)
-				printk("[%08x]", *addr);
-			else if (ret_addr)
-				if (j) {
-					decode_address(buf, (unsigned int)*addr);
-					if (frame == addr) {
-						printk(KERN_NOTICE "   frame %2i : %s\n", frame_no, buf);
-						continue;
-					}
-					printk(KERN_NOTICE "    address : %s\n", buf);
-				} else
-					printk("<%08x>", *addr);
-			else if (fp == addr) {
-				if (j)
-					frame = addr+1;
-				else
-					printk("(%08x)", *addr);
-
-				fp = (unsigned int *)*addr;
-				frame_no++;
-
-			} else if (!j)
-				printk(" %08x ", *addr);
-		}
-		if (!j)
-			printk("\n");
-	}
-#endif
-}
-EXPORT_SYMBOL(show_stack);
-
-void dump_stack(void)
-{
-	unsigned long stack;
-#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
-	int tflags;
-#endif
-	trace_buffer_save(tflags);
-	dump_bfin_trace_buffer();
-	show_stack(current, &stack);
-	trace_buffer_restore(tflags);
-}
-EXPORT_SYMBOL(dump_stack);
-
-void dump_bfin_process(struct pt_regs *fp)
-{
+	console_verbose();
+	oops_in_progress = 1;
 #ifdef CONFIG_DEBUG_VERBOSE
-	/* We should be able to look at fp->ipend, but we don't push it on the
-	 * stack all the time, so do this until we fix that */
-	unsigned int context = bfin_read_IPEND();
+	printk(KERN_EMERG "Double Fault\n");
+#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT
+	if (((long)fp->seqstat &  SEQSTAT_EXCAUSE) == VEC_UNCOV) {
+		unsigned int cpu = raw_smp_processor_id();
+		char buf[150];
+		decode_address(buf, cpu_pda[cpu].retx_doublefault);
+		printk(KERN_EMERG "While handling exception (EXCAUSE = 0x%x) at %s:\n",
+			(unsigned int)cpu_pda[cpu].seqstat_doublefault & SEQSTAT_EXCAUSE, buf);
+		decode_address(buf, cpu_pda[cpu].dcplb_doublefault_addr);
+		printk(KERN_NOTICE "   DCPLB_FAULT_ADDR: %s\n", buf);
+		decode_address(buf, cpu_pda[cpu].icplb_doublefault_addr);
+		printk(KERN_NOTICE "   ICPLB_FAULT_ADDR: %s\n", buf);
 
-	if (oops_in_progress)
-		verbose_printk(KERN_EMERG "Kernel OOPS in progress\n");
-
-	if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR)
-		verbose_printk(KERN_NOTICE "HW Error context\n");
-	else if (context & 0x0020)
-		verbose_printk(KERN_NOTICE "Deferred Exception context\n");
-	else if (context & 0x3FC0)
-		verbose_printk(KERN_NOTICE "Interrupt context\n");
-	else if (context & 0x4000)
-		verbose_printk(KERN_NOTICE "Deferred Interrupt context\n");
-	else if (context & 0x8000)
-		verbose_printk(KERN_NOTICE "Kernel process context\n");
-
-	/* Because we are crashing, and pointers could be bad, we check things
-	 * pretty closely before we use them
-	 */
-	if ((unsigned long)current >= FIXED_CODE_START &&
-	    !((unsigned long)current & 0x3) && current->pid) {
-		verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n");
-		if (current->comm >= (char *)FIXED_CODE_START)
-			verbose_printk(KERN_NOTICE "COMM=%s PID=%d",
-				current->comm, current->pid);
-		else
-			verbose_printk(KERN_NOTICE "COMM= invalid");
-
-		printk(KERN_CONT " CPU=%d\n", current_thread_info()->cpu);
-		if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START)
-			verbose_printk(KERN_NOTICE
-				"TEXT = 0x%p-0x%p        DATA = 0x%p-0x%p\n"
-				" BSS = 0x%p-0x%p  USER-STACK = 0x%p\n\n",
-				(void *)current->mm->start_code,
-				(void *)current->mm->end_code,
-				(void *)current->mm->start_data,
-				(void *)current->mm->end_data,
-				(void *)current->mm->end_data,
-				(void *)current->mm->brk,
-				(void *)current->mm->start_stack);
-		else
-			verbose_printk(KERN_NOTICE "invalid mm\n");
+		decode_address(buf, fp->retx);
+		printk(KERN_NOTICE "The instruction at %s caused a double exception\n", buf);
 	} else
-		verbose_printk(KERN_NOTICE
-			       "No Valid process in current context\n");
 #endif
+	{
+		dump_bfin_process(fp);
+		dump_bfin_mem(fp);
+		show_regs(fp);
+		dump_bfin_trace_buffer();
+	}
+#endif
+	panic("Double Fault - unrecoverable event");
+
 }
 
-void dump_bfin_mem(struct pt_regs *fp)
-{
-#ifdef CONFIG_DEBUG_VERBOSE
-	unsigned short *addr, *erraddr, val = 0, err = 0;
-	char sti = 0, buf[6];
-
-	erraddr = (void *)fp->pc;
-
-	verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr);
-
-	for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10;
-	     addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10;
-	     addr++) {
-		if (!((unsigned long)addr & 0xF))
-			verbose_printk(KERN_NOTICE "0x%p: ", addr);
-
-		if (!get_instruction(&val, addr)) {
-				val = 0;
-				sprintf(buf, "????");
-		} else
-			sprintf(buf, "%04x", val);
-
-		if (addr == erraddr) {
-			verbose_printk("[%s]", buf);
-			err = val;
-		} else
-			verbose_printk(" %s ", buf);
-
-		/* Do any previous instructions turn on interrupts? */
-		if (addr <= erraddr &&				/* in the past */
-		    ((val >= 0x0040 && val <= 0x0047) ||	/* STI instruction */
-		      val == 0x017b))				/* [SP++] = RETI */
-			sti = 1;
-	}
-
-	verbose_printk("\n");
-
-	/* Hardware error interrupts can be deferred */
-	if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR &&
-	    oops_in_progress)){
-		verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n");
-#ifndef CONFIG_DEBUG_HWERR
-		verbose_printk(KERN_NOTICE
-"The remaining message may be meaningless\n"
-"You should enable CONFIG_DEBUG_HWERR to get a better idea where it came from\n");
-#else
-		/* If we are handling only one peripheral interrupt
-		 * and current mm and pid are valid, and the last error
-		 * was in that user space process's text area
-		 * print it out - because that is where the problem exists
-		 */
-		if ((!(((fp)->ipend & ~0x30) & (((fp)->ipend & ~0x30) - 1))) &&
-		     (current->pid && current->mm)) {
-			/* And the last RETI points to the current userspace context */
-			if ((fp + 1)->pc >= current->mm->start_code &&
-			    (fp + 1)->pc <= current->mm->end_code) {
-				verbose_printk(KERN_NOTICE "It might be better to look around here :\n");
-				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
-				show_regs(fp + 1);
-				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
-			}
-		}
-#endif
-	}
-#endif
-}
-
-void show_regs(struct pt_regs *fp)
-{
-#ifdef CONFIG_DEBUG_VERBOSE
-	char buf [150];
-	struct irqaction *action;
-	unsigned int i;
-	unsigned long flags = 0;
-	unsigned int cpu = raw_smp_processor_id();
-	unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
-
-	verbose_printk(KERN_NOTICE "\n");
-	if (CPUID != bfin_cpuid())
-		verbose_printk(KERN_NOTICE "Compiled for cpu family 0x%04x (Rev %d), "
-			"but running on:0x%04x (Rev %d)\n",
-			CPUID, bfin_compiled_revid(), bfin_cpuid(), bfin_revid());
-
-	verbose_printk(KERN_NOTICE "ADSP-%s-0.%d",
-		CPU, bfin_compiled_revid());
-
-	if (bfin_compiled_revid() !=  bfin_revid())
-		verbose_printk("(Detected 0.%d)", bfin_revid());
-
-	verbose_printk(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n",
-		get_cclk()/1000000, get_sclk()/1000000,
-#ifdef CONFIG_MPU
-		"mpu on"
-#else
-		"mpu off"
-#endif
-		);
-
-	verbose_printk(KERN_NOTICE "%s", linux_banner);
-
-	verbose_printk(KERN_NOTICE "\nSEQUENCER STATUS:\t\t%s\n", print_tainted());
-	verbose_printk(KERN_NOTICE " SEQSTAT: %08lx  IPEND: %04lx  IMASK: %04lx  SYSCFG: %04lx\n",
-		(long)fp->seqstat, fp->ipend, cpu_pda[raw_smp_processor_id()].ex_imask, fp->syscfg);
-	if (fp->ipend & EVT_IRPTEN)
-		verbose_printk(KERN_NOTICE "  Global Interrupts Disabled (IPEND[4])\n");
-	if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG13 | EVT_IVG12 | EVT_IVG11 |
-			EVT_IVG10 | EVT_IVG9 | EVT_IVG8 | EVT_IVG7 | EVT_IVTMR)))
-		verbose_printk(KERN_NOTICE "  Peripheral interrupts masked off\n");
-	if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG15 | EVT_IVG14)))
-		verbose_printk(KERN_NOTICE "  Kernel interrupts masked off\n");
-	if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) {
-		verbose_printk(KERN_NOTICE "  HWERRCAUSE: 0x%lx\n",
-			(fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14);
-#ifdef EBIU_ERRMST
-		/* If the error was from the EBIU, print it out */
-		if (bfin_read_EBIU_ERRMST() & CORE_ERROR) {
-			verbose_printk(KERN_NOTICE "  EBIU Error Reason  : 0x%04x\n",
-				bfin_read_EBIU_ERRMST());
-			verbose_printk(KERN_NOTICE "  EBIU Error Address : 0x%08x\n",
-				bfin_read_EBIU_ERRADD());
-		}
-#endif
-	}
-	verbose_printk(KERN_NOTICE "  EXCAUSE   : 0x%lx\n",
-		fp->seqstat & SEQSTAT_EXCAUSE);
-	for (i = 2; i <= 15 ; i++) {
-		if (fp->ipend & (1 << i)) {
-			if (i != 4) {
-				decode_address(buf, bfin_read32(EVT0 + 4*i));
-				verbose_printk(KERN_NOTICE "  physical IVG%i asserted : %s\n", i, buf);
-			} else
-				verbose_printk(KERN_NOTICE "  interrupts disabled\n");
-		}
-	}
-
-	/* if no interrupts are going off, don't print this out */
-	if (fp->ipend & ~0x3F) {
-		for (i = 0; i < (NR_IRQS - 1); i++) {
-			if (!in_atomic)
-				raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
-
-			action = irq_desc[i].action;
-			if (!action)
-				goto unlock;
-
-			decode_address(buf, (unsigned int)action->handler);
-			verbose_printk(KERN_NOTICE "  logical irq %3d mapped  : %s", i, buf);
-			for (action = action->next; action; action = action->next) {
-				decode_address(buf, (unsigned int)action->handler);
-				verbose_printk(", %s", buf);
-			}
-			verbose_printk("\n");
-unlock:
-			if (!in_atomic)
-				raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-		}
-	}
-
-	decode_address(buf, fp->rete);
-	verbose_printk(KERN_NOTICE " RETE: %s\n", buf);
-	decode_address(buf, fp->retn);
-	verbose_printk(KERN_NOTICE " RETN: %s\n", buf);
-	decode_address(buf, fp->retx);
-	verbose_printk(KERN_NOTICE " RETX: %s\n", buf);
-	decode_address(buf, fp->rets);
-	verbose_printk(KERN_NOTICE " RETS: %s\n", buf);
-	decode_address(buf, fp->pc);
-	verbose_printk(KERN_NOTICE " PC  : %s\n", buf);
-
-	if (((long)fp->seqstat &  SEQSTAT_EXCAUSE) &&
-	    (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) {
-		decode_address(buf, cpu_pda[cpu].dcplb_fault_addr);
-		verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf);
-		decode_address(buf, cpu_pda[cpu].icplb_fault_addr);
-		verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf);
-	}
-
-	verbose_printk(KERN_NOTICE "PROCESSOR STATE:\n");
-	verbose_printk(KERN_NOTICE " R0 : %08lx    R1 : %08lx    R2 : %08lx    R3 : %08lx\n",
-		fp->r0, fp->r1, fp->r2, fp->r3);
-	verbose_printk(KERN_NOTICE " R4 : %08lx    R5 : %08lx    R6 : %08lx    R7 : %08lx\n",
-		fp->r4, fp->r5, fp->r6, fp->r7);
-	verbose_printk(KERN_NOTICE " P0 : %08lx    P1 : %08lx    P2 : %08lx    P3 : %08lx\n",
-		fp->p0, fp->p1, fp->p2, fp->p3);
-	verbose_printk(KERN_NOTICE " P4 : %08lx    P5 : %08lx    FP : %08lx    SP : %08lx\n",
-		fp->p4, fp->p5, fp->fp, (long)fp);
-	verbose_printk(KERN_NOTICE " LB0: %08lx    LT0: %08lx    LC0: %08lx\n",
-		fp->lb0, fp->lt0, fp->lc0);
-	verbose_printk(KERN_NOTICE " LB1: %08lx    LT1: %08lx    LC1: %08lx\n",
-		fp->lb1, fp->lt1, fp->lc1);
-	verbose_printk(KERN_NOTICE " B0 : %08lx    L0 : %08lx    M0 : %08lx    I0 : %08lx\n",
-		fp->b0, fp->l0, fp->m0, fp->i0);
-	verbose_printk(KERN_NOTICE " B1 : %08lx    L1 : %08lx    M1 : %08lx    I1 : %08lx\n",
-		fp->b1, fp->l1, fp->m1, fp->i1);
-	verbose_printk(KERN_NOTICE " B2 : %08lx    L2 : %08lx    M2 : %08lx    I2 : %08lx\n",
-		fp->b2, fp->l2, fp->m2, fp->i2);
-	verbose_printk(KERN_NOTICE " B3 : %08lx    L3 : %08lx    M3 : %08lx    I3 : %08lx\n",
-		fp->b3, fp->l3, fp->m3, fp->i3);
-	verbose_printk(KERN_NOTICE "A0.w: %08lx   A0.x: %08lx   A1.w: %08lx   A1.x: %08lx\n",
-		fp->a0w, fp->a0x, fp->a1w, fp->a1x);
-
-	verbose_printk(KERN_NOTICE "USP : %08lx  ASTAT: %08lx\n",
-		rdusp(), fp->astat);
-
-	verbose_printk(KERN_NOTICE "\n");
-#endif
-}
-
-#ifdef CONFIG_SYS_BFIN_SPINLOCK_L1
-asmlinkage int sys_bfin_spinlock(int *spinlock)__attribute__((l1_text));
-#endif
-
-static DEFINE_SPINLOCK(bfin_spinlock_lock);
-
-asmlinkage int sys_bfin_spinlock(int *p)
-{
-	int ret, tmp = 0;
-
-	spin_lock(&bfin_spinlock_lock);	/* This would also hold kernel preemption. */
-	ret = get_user(tmp, p);
-	if (likely(ret == 0)) {
-		if (unlikely(tmp))
-			ret = 1;
-		else
-			put_user(1, p);
-	}
-	spin_unlock(&bfin_spinlock_lock);
-	return ret;
-}
-
-int bfin_request_exception(unsigned int exception, void (*handler)(void))
-{
-	void (*curr_handler)(void);
-
-	if (exception > 0x3F)
-		return -EINVAL;
-
-	curr_handler = ex_table[exception];
-
-	if (curr_handler != ex_replaceable)
-		return -EBUSY;
-
-	ex_table[exception] = handler;
-
-	return 0;
-}
-EXPORT_SYMBOL(bfin_request_exception);
-
-int bfin_free_exception(unsigned int exception, void (*handler)(void))
-{
-	void (*curr_handler)(void);
-
-	if (exception > 0x3F)
-		return -EINVAL;
-
-	curr_handler = ex_table[exception];
-
-	if (curr_handler != handler)
-		return -EBUSY;
-
-	ex_table[exception] = ex_replaceable;
-
-	return 0;
-}
-EXPORT_SYMBOL(bfin_free_exception);
 
 void panic_cplb_error(int cplb_panic, struct pt_regs *fp)
 {
@@ -1349,3 +542,15 @@ void panic_cplb_error(int cplb_panic, struct pt_regs *fp)
 	dump_stack();
 	panic("Unrecoverable event");
 }
+
+#ifdef CONFIG_BUG
+int is_valid_bugaddr(unsigned long addr)
+{
+	unsigned short opcode;
+
+	if (!get_instruction(&opcode, (unsigned short *)addr))
+		return 0;
+
+	return opcode == BFIN_BUG_OPCODE;
+}
+#endif

From d28cff4b615c2da274922311cef024d52c839870 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Thu, 11 Mar 2010 19:26:38 +0000
Subject: [PATCH 2484/3638] Blackfin: remove CONFIG_DEBUG_VERBOSE from trace.c

Now that the split traps code has moved all the verbose output to the
trace.c file, we can unify all the CONFIG_DEBUG_VERBOSE handling.  This
gets rid of much of the crappy ifdef forest and enables usage of normal
pr_xxx functions so checkpatch stops complaining.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/include/asm/bfin-global.h |   6 +
 arch/blackfin/include/asm/trace.h       |   5 +
 arch/blackfin/kernel/Makefile           |   3 +-
 arch/blackfin/kernel/trace.c            | 221 +++++++++++-------------
 arch/blackfin/kernel/traps.c            |   8 +
 5 files changed, 120 insertions(+), 123 deletions(-)

diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index e6485c305ea..121cc04d877 100644
--- a/arch/blackfin/include/asm/bfin-global.h
+++ b/arch/blackfin/include/asm/bfin-global.h
@@ -39,9 +39,15 @@ extern unsigned long sclk_to_usecs(unsigned long sclk);
 extern unsigned long usecs_to_sclk(unsigned long usecs);
 
 struct pt_regs;
+#if defined(CONFIG_DEBUG_VERBOSE)
 extern void dump_bfin_process(struct pt_regs *regs);
 extern void dump_bfin_mem(struct pt_regs *regs);
 extern void dump_bfin_trace_buffer(void);
+#else
+#define dump_bfin_process(regs)
+#define dump_bfin_mem(regs)
+#define dump_bfin_trace_buffer()
+#endif
 
 /* init functions only */
 extern int init_arch_irq(void);
diff --git a/arch/blackfin/include/asm/trace.h b/arch/blackfin/include/asm/trace.h
index 395decd8bc3..91179395baa 100644
--- a/arch/blackfin/include/asm/trace.h
+++ b/arch/blackfin/include/asm/trace.h
@@ -23,8 +23,13 @@
 #ifndef __ASSEMBLY__
 extern unsigned long trace_buff_offset;
 extern unsigned long software_trace_buff[];
+#if defined(CONFIG_DEBUG_VERBOSE)
 extern void decode_address(char *buf, unsigned long address);
 extern bool get_instruction(unsigned short *val, unsigned short *address);
+#else
+#define decode_address(buf, address)
+#define get_instruction(val, address) 0
+#endif
 
 /* Trace Macros for C files */
 
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index b32a04a95d9..2fc7f32ae32 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -8,7 +8,7 @@ obj-y := \
 	entry.o process.o bfin_ksyms.o ptrace.o setup.o signal.o \
 	sys_bfin.o traps.o irqchip.o dma-mapping.o flat.o \
 	fixed_code.o reboot.o bfin_gpio.o bfin_dma_5xx.o \
-	trace.o exception.o dumpstack.o
+	exception.o dumpstack.o
 
 ifeq ($(CONFIG_GENERIC_CLOCKEVENTS),y)
     obj-y += time-ts.o
@@ -30,6 +30,7 @@ obj-$(CONFIG_NMI_WATCHDOG)           += nmi.o
 obj-$(CONFIG_EARLY_PRINTK)           += early_printk.o
 obj-$(CONFIG_EARLY_PRINTK)           += shadow_console.o
 obj-$(CONFIG_STACKTRACE)             += stacktrace.o
+obj-$(CONFIG_DEBUG_VERBOSE)          += trace.o
 
 # the kgdb test puts code into L2 and without linker
 # relaxation, we need to force long calls to/from it
diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
index 3a268c3ed47..6e37a8765bc 100644
--- a/arch/blackfin/kernel/trace.c
+++ b/arch/blackfin/kernel/trace.c
@@ -20,18 +20,8 @@
 #include <asm/fixed_code.h>
 #include <asm/traps.h>
 
-#ifdef CONFIG_DEBUG_VERBOSE
-#define verbose_printk(fmt, arg...) \
-	printk(fmt, ##arg)
-#else
-#define verbose_printk(fmt, arg...) \
-	({ if (0) printk(fmt, ##arg); 0; })
-#endif
-
-
 void decode_address(char *buf, unsigned long address)
 {
-#ifdef CONFIG_DEBUG_VERBOSE
 	struct task_struct *p;
 	struct mm_struct *mm;
 	unsigned long flags, offset;
@@ -174,9 +164,6 @@ void decode_address(char *buf, unsigned long address)
 
 done:
 	write_unlock_irqrestore(&tasklist_lock, flags);
-#else
-	sprintf(buf, " ");
-#endif
 }
 
 #define EXPAND_LEN ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 256 - 1)
@@ -219,52 +206,52 @@ bool get_instruction(unsigned short *val, unsigned short *address)
  * These are the normal instructions which cause change of flow, which
  * would be at the source of the trace buffer
  */
-#if defined(CONFIG_DEBUG_VERBOSE) && defined(CONFIG_DEBUG_BFIN_HWTRACE_ON)
+#if defined(CONFIG_DEBUG_BFIN_HWTRACE_ON)
 static void decode_instruction(unsigned short *address)
 {
 	unsigned short opcode;
 
 	if (get_instruction(&opcode, address)) {
 		if (opcode == 0x0010)
-			verbose_printk("RTS");
+			pr_cont("RTS");
 		else if (opcode == 0x0011)
-			verbose_printk("RTI");
+			pr_cont("RTI");
 		else if (opcode == 0x0012)
-			verbose_printk("RTX");
+			pr_cont("RTX");
 		else if (opcode == 0x0013)
-			verbose_printk("RTN");
+			pr_cont("RTN");
 		else if (opcode == 0x0014)
-			verbose_printk("RTE");
+			pr_cont("RTE");
 		else if (opcode == 0x0025)
-			verbose_printk("EMUEXCPT");
+			pr_cont("EMUEXCPT");
 		else if (opcode >= 0x0040 && opcode <= 0x0047)
-			verbose_printk("STI R%i", opcode & 7);
+			pr_cont("STI R%i", opcode & 7);
 		else if (opcode >= 0x0050 && opcode <= 0x0057)
-			verbose_printk("JUMP (P%i)", opcode & 7);
+			pr_cont("JUMP (P%i)", opcode & 7);
 		else if (opcode >= 0x0060 && opcode <= 0x0067)
-			verbose_printk("CALL (P%i)", opcode & 7);
+			pr_cont("CALL (P%i)", opcode & 7);
 		else if (opcode >= 0x0070 && opcode <= 0x0077)
-			verbose_printk("CALL (PC+P%i)", opcode & 7);
+			pr_cont("CALL (PC+P%i)", opcode & 7);
 		else if (opcode >= 0x0080 && opcode <= 0x0087)
-			verbose_printk("JUMP (PC+P%i)", opcode & 7);
+			pr_cont("JUMP (PC+P%i)", opcode & 7);
 		else if (opcode >= 0x0090 && opcode <= 0x009F)
-			verbose_printk("RAISE 0x%x", opcode & 0xF);
+			pr_cont("RAISE 0x%x", opcode & 0xF);
 		else if (opcode >= 0x00A0 && opcode <= 0x00AF)
-			verbose_printk("EXCPT 0x%x", opcode & 0xF);
+			pr_cont("EXCPT 0x%x", opcode & 0xF);
 		else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF))
-			verbose_printk("IF !CC JUMP");
+			pr_cont("IF !CC JUMP");
 		else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff))
-			verbose_printk("IF CC JUMP");
+			pr_cont("IF CC JUMP");
 		else if (opcode >= 0x2000 && opcode <= 0x2fff)
-			verbose_printk("JUMP.S");
+			pr_cont("JUMP.S");
 		else if (opcode >= 0xe080 && opcode <= 0xe0ff)
-			verbose_printk("LSETUP");
+			pr_cont("LSETUP");
 		else if (opcode >= 0xe200 && opcode <= 0xe2ff)
-			verbose_printk("JUMP.L");
+			pr_cont("JUMP.L");
 		else if (opcode >= 0xe300 && opcode <= 0xe3ff)
-			verbose_printk("CALL pcrel");
+			pr_cont("CALL pcrel");
 		else
-			verbose_printk("0x%04x", opcode);
+			pr_cont("0x%04x", opcode);
 	}
 
 }
@@ -272,7 +259,6 @@ static void decode_instruction(unsigned short *address)
 
 void dump_bfin_trace_buffer(void)
 {
-#ifdef CONFIG_DEBUG_VERBOSE
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
 	int tflags, i = 0;
 	char buf[150];
@@ -283,21 +269,21 @@ void dump_bfin_trace_buffer(void)
 
 	trace_buffer_save(tflags);
 
-	printk(KERN_NOTICE "Hardware Trace:\n");
+	pr_notice("Hardware Trace:\n");
 
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
-	printk(KERN_NOTICE "WARNING: Expanded trace turned on - can not trace exceptions\n");
+	pr_notice("WARNING: Expanded trace turned on - can not trace exceptions\n");
 #endif
 
 	if (likely(bfin_read_TBUFSTAT() & TBUFCNT)) {
 		for (; bfin_read_TBUFSTAT() & TBUFCNT; i++) {
 			decode_address(buf, (unsigned long)bfin_read_TBUF());
-			printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
+			pr_notice("%4i Target : %s\n", i, buf);
 			addr = (unsigned short *)bfin_read_TBUF();
 			decode_address(buf, (unsigned long)addr);
-			printk(KERN_NOTICE "     Source : %s ", buf);
+			pr_notice("     Source : %s ", buf);
 			decode_instruction(addr);
-			printk("\n");
+			pr_cont("\n");
 		}
 	}
 
@@ -310,14 +296,14 @@ void dump_bfin_trace_buffer(void)
 	j = (1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 128;
 	while (j) {
 		decode_address(buf, software_trace_buff[index]);
-		printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
+		pr_notice("%4i Target : %s\n", i, buf);
 		index -= 1;
 		if (index < 0)
 			index = EXPAND_LEN;
 		decode_address(buf, software_trace_buff[index]);
-		printk(KERN_NOTICE "     Source : %s ", buf);
+		pr_notice("     Source : %s ", buf);
 		decode_instruction((unsigned short *)software_trace_buff[index]);
-		printk("\n");
+		pr_cont("\n");
 		index -= 1;
 		if (index < 0)
 			index = EXPAND_LEN;
@@ -328,78 +314,73 @@ void dump_bfin_trace_buffer(void)
 
 	trace_buffer_restore(tflags);
 #endif
-#endif
 }
 EXPORT_SYMBOL(dump_bfin_trace_buffer);
 
 void dump_bfin_process(struct pt_regs *fp)
 {
-#ifdef CONFIG_DEBUG_VERBOSE
 	/* We should be able to look at fp->ipend, but we don't push it on the
 	 * stack all the time, so do this until we fix that */
 	unsigned int context = bfin_read_IPEND();
 
 	if (oops_in_progress)
-		verbose_printk(KERN_EMERG "Kernel OOPS in progress\n");
+		pr_emerg("Kernel OOPS in progress\n");
 
 	if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR)
-		verbose_printk(KERN_NOTICE "HW Error context\n");
+		pr_notice("HW Error context\n");
 	else if (context & 0x0020)
-		verbose_printk(KERN_NOTICE "Deferred Exception context\n");
+		pr_notice("Deferred Exception context\n");
 	else if (context & 0x3FC0)
-		verbose_printk(KERN_NOTICE "Interrupt context\n");
+		pr_notice("Interrupt context\n");
 	else if (context & 0x4000)
-		verbose_printk(KERN_NOTICE "Deferred Interrupt context\n");
+		pr_notice("Deferred Interrupt context\n");
 	else if (context & 0x8000)
-		verbose_printk(KERN_NOTICE "Kernel process context\n");
+		pr_notice("Kernel process context\n");
 
 	/* Because we are crashing, and pointers could be bad, we check things
 	 * pretty closely before we use them
 	 */
 	if ((unsigned long)current >= FIXED_CODE_START &&
 	    !((unsigned long)current & 0x3) && current->pid) {
-		verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n");
+		pr_notice("CURRENT PROCESS:\n");
 		if (current->comm >= (char *)FIXED_CODE_START)
-			verbose_printk(KERN_NOTICE "COMM=%s PID=%d",
+			pr_notice("COMM=%s PID=%d",
 				current->comm, current->pid);
 		else
-			verbose_printk(KERN_NOTICE "COMM= invalid");
+			pr_notice("COMM= invalid");
 
-		printk(KERN_CONT " CPU=%d\n", current_thread_info()->cpu);
-		if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START)
-			verbose_printk(KERN_NOTICE
-				"TEXT = 0x%p-0x%p        DATA = 0x%p-0x%p\n"
-				" BSS = 0x%p-0x%p  USER-STACK = 0x%p\n\n",
+		pr_cont("  CPU=%d\n", current_thread_info()->cpu);
+		if (!((unsigned long)current->mm & 0x3) &&
+			(unsigned long)current->mm >= FIXED_CODE_START) {
+			pr_notice("TEXT = 0x%p-0x%p        DATA = 0x%p-0x%p\n",
 				(void *)current->mm->start_code,
 				(void *)current->mm->end_code,
 				(void *)current->mm->start_data,
-				(void *)current->mm->end_data,
+				(void *)current->mm->end_data);
+			pr_notice(" BSS = 0x%p-0x%p  USER-STACK = 0x%p\n\n",
 				(void *)current->mm->end_data,
 				(void *)current->mm->brk,
 				(void *)current->mm->start_stack);
-		else
-			verbose_printk(KERN_NOTICE "invalid mm\n");
+		} else
+			pr_notice("invalid mm\n");
 	} else
-		verbose_printk(KERN_NOTICE
-			       "No Valid process in current context\n");
-#endif
+		pr_notice("No Valid process in current context\n");
 }
 
 void dump_bfin_mem(struct pt_regs *fp)
 {
-#ifdef CONFIG_DEBUG_VERBOSE
 	unsigned short *addr, *erraddr, val = 0, err = 0;
 	char sti = 0, buf[6];
 
 	erraddr = (void *)fp->pc;
 
-	verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr);
+	pr_notice("return address: [0x%p]; contents of:", erraddr);
 
 	for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10;
 	     addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10;
 	     addr++) {
 		if (!((unsigned long)addr & 0xF))
-			verbose_printk(KERN_NOTICE "0x%p: ", addr);
+			pr_notice("0x%p: ", addr);
 
 		if (!get_instruction(&val, addr)) {
 				val = 0;
@@ -408,10 +389,10 @@ void dump_bfin_mem(struct pt_regs *fp)
 			sprintf(buf, "%04x", val);
 
 		if (addr == erraddr) {
-			verbose_printk("[%s]", buf);
+			pr_cont("[%s]", buf);
 			err = val;
 		} else
-			verbose_printk(" %s ", buf);
+			pr_cont(" %s ", buf);
 
 		/* Do any previous instructions turn on interrupts? */
 		if (addr <= erraddr &&				/* in the past */
@@ -420,16 +401,15 @@ void dump_bfin_mem(struct pt_regs *fp)
 			sti = 1;
 	}
 
-	verbose_printk("\n");
+	pr_cont("\n");
 
 	/* Hardware error interrupts can be deferred */
 	if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR &&
 	    oops_in_progress)){
-		verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n");
+		pr_notice("Looks like this was a deferred error - sorry\n");
 #ifndef CONFIG_DEBUG_HWERR
-		verbose_printk(KERN_NOTICE
-"The remaining message may be meaningless\n"
-"You should enable CONFIG_DEBUG_HWERR to get a better idea where it came from\n");
+		pr_notice("The remaining message may be meaningless\n");
+		pr_notice("You should enable CONFIG_DEBUG_HWERR to get a better idea where it came from\n");
 #else
 		/* If we are handling only one peripheral interrupt
 		 * and current mm and pid are valid, and the last error
@@ -441,20 +421,18 @@ void dump_bfin_mem(struct pt_regs *fp)
 			/* And the last RETI points to the current userspace context */
 			if ((fp + 1)->pc >= current->mm->start_code &&
 			    (fp + 1)->pc <= current->mm->end_code) {
-				verbose_printk(KERN_NOTICE "It might be better to look around here :\n");
-				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
+				pr_notice("It might be better to look around here :\n");
+				pr_notice("-------------------------------------------\n");
 				show_regs(fp + 1);
-				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
+				pr_notice("-------------------------------------------\n");
 			}
 		}
 #endif
 	}
-#endif
 }
 
 void show_regs(struct pt_regs *fp)
 {
-#ifdef CONFIG_DEBUG_VERBOSE
 	char buf[150];
 	struct irqaction *action;
 	unsigned int i;
@@ -462,19 +440,19 @@ void show_regs(struct pt_regs *fp)
 	unsigned int cpu = raw_smp_processor_id();
 	unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
 
-	verbose_printk(KERN_NOTICE "\n");
+	pr_notice("\n");
 	if (CPUID != bfin_cpuid())
-		verbose_printk(KERN_NOTICE "Compiled for cpu family 0x%04x (Rev %d), "
+		pr_notice("Compiled for cpu family 0x%04x (Rev %d), "
 			"but running on:0x%04x (Rev %d)\n",
 			CPUID, bfin_compiled_revid(), bfin_cpuid(), bfin_revid());
 
-	verbose_printk(KERN_NOTICE "ADSP-%s-0.%d",
+	pr_notice("ADSP-%s-0.%d",
 		CPU, bfin_compiled_revid());
 
 	if (bfin_compiled_revid() !=  bfin_revid())
-		verbose_printk("(Detected 0.%d)", bfin_revid());
+		pr_cont("(Detected 0.%d)", bfin_revid());
 
-	verbose_printk(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n",
+	pr_cont(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n",
 		get_cclk()/1000000, get_sclk()/1000000,
 #ifdef CONFIG_MPU
 		"mpu on"
@@ -483,40 +461,40 @@ void show_regs(struct pt_regs *fp)
 #endif
 		);
 
-	verbose_printk(KERN_NOTICE "%s", linux_banner);
+	pr_notice("%s", linux_banner);
 
-	verbose_printk(KERN_NOTICE "\nSEQUENCER STATUS:\t\t%s\n", print_tainted());
-	verbose_printk(KERN_NOTICE " SEQSTAT: %08lx  IPEND: %04lx  IMASK: %04lx  SYSCFG: %04lx\n",
+	pr_notice("\nSEQUENCER STATUS:\t\t%s\n", print_tainted());
+	pr_notice(" SEQSTAT: %08lx  IPEND: %04lx  IMASK: %04lx  SYSCFG: %04lx\n",
 		(long)fp->seqstat, fp->ipend, cpu_pda[raw_smp_processor_id()].ex_imask, fp->syscfg);
 	if (fp->ipend & EVT_IRPTEN)
-		verbose_printk(KERN_NOTICE "  Global Interrupts Disabled (IPEND[4])\n");
+		pr_notice("  Global Interrupts Disabled (IPEND[4])\n");
 	if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG13 | EVT_IVG12 | EVT_IVG11 |
 			EVT_IVG10 | EVT_IVG9 | EVT_IVG8 | EVT_IVG7 | EVT_IVTMR)))
-		verbose_printk(KERN_NOTICE "  Peripheral interrupts masked off\n");
+		pr_notice("  Peripheral interrupts masked off\n");
 	if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG15 | EVT_IVG14)))
-		verbose_printk(KERN_NOTICE "  Kernel interrupts masked off\n");
+		pr_notice("  Kernel interrupts masked off\n");
 	if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) {
-		verbose_printk(KERN_NOTICE "  HWERRCAUSE: 0x%lx\n",
+		pr_notice("  HWERRCAUSE: 0x%lx\n",
 			(fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14);
 #ifdef EBIU_ERRMST
 		/* If the error was from the EBIU, print it out */
 		if (bfin_read_EBIU_ERRMST() & CORE_ERROR) {
-			verbose_printk(KERN_NOTICE "  EBIU Error Reason  : 0x%04x\n",
+			pr_notice("  EBIU Error Reason  : 0x%04x\n",
 				bfin_read_EBIU_ERRMST());
-			verbose_printk(KERN_NOTICE "  EBIU Error Address : 0x%08x\n",
+			pr_notice("  EBIU Error Address : 0x%08x\n",
 				bfin_read_EBIU_ERRADD());
 		}
 #endif
 	}
-	verbose_printk(KERN_NOTICE "  EXCAUSE   : 0x%lx\n",
+	pr_notice("  EXCAUSE   : 0x%lx\n",
 		fp->seqstat & SEQSTAT_EXCAUSE);
 	for (i = 2; i <= 15 ; i++) {
 		if (fp->ipend & (1 << i)) {
 			if (i != 4) {
 				decode_address(buf, bfin_read32(EVT0 + 4*i));
-				verbose_printk(KERN_NOTICE "  physical IVG%i asserted : %s\n", i, buf);
+				pr_notice("  physical IVG%i asserted : %s\n", i, buf);
 			} else
-				verbose_printk(KERN_NOTICE "  interrupts disabled\n");
+				pr_notice("  interrupts disabled\n");
 		}
 	}
 
@@ -531,12 +509,12 @@ void show_regs(struct pt_regs *fp)
 				goto unlock;
 
 			decode_address(buf, (unsigned int)action->handler);
-			verbose_printk(KERN_NOTICE "  logical irq %3d mapped  : %s", i, buf);
+			pr_notice("  logical irq %3d mapped  : %s", i, buf);
 			for (action = action->next; action; action = action->next) {
 				decode_address(buf, (unsigned int)action->handler);
-				verbose_printk(", %s", buf);
+				pr_cont(", %s", buf);
 			}
-			verbose_printk("\n");
+			pr_cont("\n");
 unlock:
 			if (!in_atomic)
 				raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
@@ -544,51 +522,50 @@ unlock:
 	}
 
 	decode_address(buf, fp->rete);
-	verbose_printk(KERN_NOTICE " RETE: %s\n", buf);
+	pr_notice(" RETE: %s\n", buf);
 	decode_address(buf, fp->retn);
-	verbose_printk(KERN_NOTICE " RETN: %s\n", buf);
+	pr_notice(" RETN: %s\n", buf);
 	decode_address(buf, fp->retx);
-	verbose_printk(KERN_NOTICE " RETX: %s\n", buf);
+	pr_notice(" RETX: %s\n", buf);
 	decode_address(buf, fp->rets);
-	verbose_printk(KERN_NOTICE " RETS: %s\n", buf);
+	pr_notice(" RETS: %s\n", buf);
 	decode_address(buf, fp->pc);
-	verbose_printk(KERN_NOTICE " PC  : %s\n", buf);
+	pr_notice(" PC  : %s\n", buf);
 
 	if (((long)fp->seqstat &  SEQSTAT_EXCAUSE) &&
 	    (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) {
 		decode_address(buf, cpu_pda[cpu].dcplb_fault_addr);
-		verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf);
+		pr_notice("DCPLB_FAULT_ADDR: %s\n", buf);
 		decode_address(buf, cpu_pda[cpu].icplb_fault_addr);
-		verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf);
+		pr_notice("ICPLB_FAULT_ADDR: %s\n", buf);
 	}
 
-	verbose_printk(KERN_NOTICE "PROCESSOR STATE:\n");
-	verbose_printk(KERN_NOTICE " R0 : %08lx    R1 : %08lx    R2 : %08lx    R3 : %08lx\n",
+	pr_notice("PROCESSOR STATE:\n");
+	pr_notice(" R0 : %08lx    R1 : %08lx    R2 : %08lx    R3 : %08lx\n",
 		fp->r0, fp->r1, fp->r2, fp->r3);
-	verbose_printk(KERN_NOTICE " R4 : %08lx    R5 : %08lx    R6 : %08lx    R7 : %08lx\n",
+	pr_notice(" R4 : %08lx    R5 : %08lx    R6 : %08lx    R7 : %08lx\n",
 		fp->r4, fp->r5, fp->r6, fp->r7);
-	verbose_printk(KERN_NOTICE " P0 : %08lx    P1 : %08lx    P2 : %08lx    P3 : %08lx\n",
+	pr_notice(" P0 : %08lx    P1 : %08lx    P2 : %08lx    P3 : %08lx\n",
 		fp->p0, fp->p1, fp->p2, fp->p3);
-	verbose_printk(KERN_NOTICE " P4 : %08lx    P5 : %08lx    FP : %08lx    SP : %08lx\n",
+	pr_notice(" P4 : %08lx    P5 : %08lx    FP : %08lx    SP : %08lx\n",
 		fp->p4, fp->p5, fp->fp, (long)fp);
-	verbose_printk(KERN_NOTICE " LB0: %08lx    LT0: %08lx    LC0: %08lx\n",
+	pr_notice(" LB0: %08lx    LT0: %08lx    LC0: %08lx\n",
 		fp->lb0, fp->lt0, fp->lc0);
-	verbose_printk(KERN_NOTICE " LB1: %08lx    LT1: %08lx    LC1: %08lx\n",
+	pr_notice(" LB1: %08lx    LT1: %08lx    LC1: %08lx\n",
 		fp->lb1, fp->lt1, fp->lc1);
-	verbose_printk(KERN_NOTICE " B0 : %08lx    L0 : %08lx    M0 : %08lx    I0 : %08lx\n",
+	pr_notice(" B0 : %08lx    L0 : %08lx    M0 : %08lx    I0 : %08lx\n",
 		fp->b0, fp->l0, fp->m0, fp->i0);
-	verbose_printk(KERN_NOTICE " B1 : %08lx    L1 : %08lx    M1 : %08lx    I1 : %08lx\n",
+	pr_notice(" B1 : %08lx    L1 : %08lx    M1 : %08lx    I1 : %08lx\n",
 		fp->b1, fp->l1, fp->m1, fp->i1);
-	verbose_printk(KERN_NOTICE " B2 : %08lx    L2 : %08lx    M2 : %08lx    I2 : %08lx\n",
+	pr_notice(" B2 : %08lx    L2 : %08lx    M2 : %08lx    I2 : %08lx\n",
 		fp->b2, fp->l2, fp->m2, fp->i2);
-	verbose_printk(KERN_NOTICE " B3 : %08lx    L3 : %08lx    M3 : %08lx    I3 : %08lx\n",
+	pr_notice(" B3 : %08lx    L3 : %08lx    M3 : %08lx    I3 : %08lx\n",
 		fp->b3, fp->l3, fp->m3, fp->i3);
-	verbose_printk(KERN_NOTICE "A0.w: %08lx   A0.x: %08lx   A1.w: %08lx   A1.x: %08lx\n",
+	pr_notice("A0.w: %08lx   A0.x: %08lx   A1.w: %08lx   A1.x: %08lx\n",
 		fp->a0w, fp->a0x, fp->a1w, fp->a1x);
 
-	verbose_printk(KERN_NOTICE "USP : %08lx  ASTAT: %08lx\n",
+	pr_notice("USP : %08lx  ASTAT: %08lx\n",
 		rdusp(), fp->astat);
 
-	verbose_printk(KERN_NOTICE "\n");
-#endif
+	pr_notice("\n");
 }
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 891cc39f7ee..7c31a3d7af2 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -554,3 +554,11 @@ int is_valid_bugaddr(unsigned long addr)
 	return opcode == BFIN_BUG_OPCODE;
 }
 #endif
+
+/* stub this out */
+#ifndef CONFIG_DEBUG_VERBOSE
+void show_regs(struct pt_regs *fp)
+{
+
+}
+#endif

From d60805ad470aef52465f3dc982212f559d9f661b Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Fri, 12 Mar 2010 21:17:44 +0000
Subject: [PATCH 2485/3638] Blackfin: print out the faulting insn in the trace
 output

Print out the faulting instruction so when people send traces as part of
bug reports, we have a better idea of what is going on.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/kernel/trace.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
index 6e37a8765bc..5aa0d5e4e70 100644
--- a/arch/blackfin/kernel/trace.c
+++ b/arch/blackfin/kernel/trace.c
@@ -19,6 +19,7 @@
 #include <asm/trace.h>
 #include <asm/fixed_code.h>
 #include <asm/traps.h>
+#include <asm/irq_handler.h>
 
 void decode_address(char *buf, unsigned long address)
 {
@@ -260,9 +261,10 @@ static void decode_instruction(unsigned short *address)
 void dump_bfin_trace_buffer(void)
 {
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
-	int tflags, i = 0;
+	int tflags, i = 0, fault = 0;
 	char buf[150];
 	unsigned short *addr;
+	unsigned int cpu = raw_smp_processor_id();
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
 	int j, index;
 #endif
@@ -277,8 +279,21 @@ void dump_bfin_trace_buffer(void)
 
 	if (likely(bfin_read_TBUFSTAT() & TBUFCNT)) {
 		for (; bfin_read_TBUFSTAT() & TBUFCNT; i++) {
-			decode_address(buf, (unsigned long)bfin_read_TBUF());
+			addr = (unsigned short *)bfin_read_TBUF();
+			decode_address(buf, (unsigned long)addr);
 			pr_notice("%4i Target : %s\n", i, buf);
+			/* Normally, the faulting instruction doesn't go into
+			 * the trace buffer, (since it doesn't commit), so
+			 * we print out the fault address here
+			 */
+			if (!fault && addr == (unsigned short *)trap &&
+				(cpu_pda[cpu].seqstat & SEQSTAT_EXCAUSE) > VEC_EXCPT15) {
+				decode_address(buf, cpu_pda[cpu].icplb_fault_addr);
+				pr_notice("      FAULT : %s ", buf);
+				decode_instruction((unsigned short *)cpu_pda[cpu].icplb_fault_addr);
+				pr_cont("\n");
+				fault = 1;
+			}
 			addr = (unsigned short *)bfin_read_TBUF();
 			decode_address(buf, (unsigned long)addr);
 			pr_notice("     Source : %s ", buf);

From 9a95e2f1008ee433c496a81628cdde67acc8e4b1 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Mon, 15 Mar 2010 17:42:07 +0000
Subject: [PATCH 2486/3638] Blackfin: make hardware trace output a little more
 useful

Decode the vast majority of insns that appear in the trace buffer to get a
better idea of what's going on at a glance.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/include/asm/trace.h |   6 +-
 arch/blackfin/kernel/dumpstack.c  |  15 +-
 arch/blackfin/kernel/trace.c      | 492 ++++++++++++++++++++++++++----
 arch/blackfin/kernel/traps.c      |   2 +-
 4 files changed, 447 insertions(+), 68 deletions(-)

diff --git a/arch/blackfin/include/asm/trace.h b/arch/blackfin/include/asm/trace.h
index 91179395baa..33589a29b8d 100644
--- a/arch/blackfin/include/asm/trace.h
+++ b/arch/blackfin/include/asm/trace.h
@@ -25,10 +25,10 @@ extern unsigned long trace_buff_offset;
 extern unsigned long software_trace_buff[];
 #if defined(CONFIG_DEBUG_VERBOSE)
 extern void decode_address(char *buf, unsigned long address);
-extern bool get_instruction(unsigned short *val, unsigned short *address);
+extern bool get_instruction(unsigned int *val, unsigned short *address);
 #else
-#define decode_address(buf, address)
-#define get_instruction(val, address) 0
+static inline void decode_address(char *buf, unsigned long address) { }
+static inline bool get_instruction(unsigned int *val, unsigned short *address) { return false; }
 #endif
 
 /* Trace Macros for C files */
diff --git a/arch/blackfin/kernel/dumpstack.c b/arch/blackfin/kernel/dumpstack.c
index e81392c9d1d..5cfbaa29821 100644
--- a/arch/blackfin/kernel/dumpstack.c
+++ b/arch/blackfin/kernel/dumpstack.c
@@ -18,21 +18,14 @@
  */
 static bool is_bfin_call(unsigned short *addr)
 {
-	unsigned short opcode = 0, *ins_addr;
-	ins_addr = (unsigned short *)addr;
+	unsigned int opcode;
 
-	if (!get_instruction(&opcode, ins_addr))
+	if (!get_instruction(&opcode, addr))
 		return false;
 
 	if ((opcode >= 0x0060 && opcode <= 0x0067) ||
-	    (opcode >= 0x0070 && opcode <= 0x0077))
-		return true;
-
-	ins_addr--;
-	if (!get_instruction(&opcode, ins_addr))
-		return false;
-
-	if (opcode >= 0xE300 && opcode <= 0xE3FF)
+	    (opcode >= 0x0070 && opcode <= 0x0077) ||
+	    (opcode >= 0xE3000000 && opcode <= 0xE3FFFFFF))
 		return true;
 
 	return false;
diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
index 5aa0d5e4e70..317d4273ca6 100644
--- a/arch/blackfin/kernel/trace.c
+++ b/arch/blackfin/kernel/trace.c
@@ -75,6 +75,26 @@ void decode_address(char *buf, unsigned long address)
 	} else if (address >= L1_ROM_START && address < L1_ROM_START + L1_ROM_LENGTH) {
 		strcat(buf, "/* on-chip L1 ROM */");
 		return;
+
+	} else if (address >= L1_SCRATCH_START && address < L1_SCRATCH_START + L1_SCRATCH_LENGTH) {
+		strcat(buf, "/* on-chip scratchpad */");
+		return;
+
+	} else if (address >= physical_mem_end && address < ASYNC_BANK0_BASE) {
+		strcat(buf, "/* unconnected memory */");
+		return;
+
+	} else if (address >= ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE && address < BOOT_ROM_START) {
+		strcat(buf, "/* reserved memory */");
+		return;
+
+	} else if (address >= L1_DATA_A_START && address < L1_DATA_A_START + L1_DATA_A_LENGTH) {
+		strcat(buf, "/* on-chip Data Bank A */");
+		return;
+
+	} else if (address >= L1_DATA_B_START && address < L1_DATA_B_START + L1_DATA_B_LENGTH) {
+		strcat(buf, "/* on-chip Data Bank B */");
+		return;
 	}
 
 	/*
@@ -173,7 +193,7 @@ done:
  * Similar to get_user, do some address checking, then dereference
  * Return true on success, false on bad address
  */
-bool get_instruction(unsigned short *val, unsigned short *address)
+bool get_mem16(unsigned short *val, unsigned short *address)
 {
 	unsigned long addr = (unsigned long)address;
 
@@ -181,10 +201,6 @@ bool get_instruction(unsigned short *val, unsigned short *address)
 	if (addr & 0x1)
 		return false;
 
-	/* MMR region will never have instructions */
-	if (addr >= SYSMMR_BASE)
-		return false;
-
 	switch (bfin_mem_access_type(addr, 2)) {
 	case BFIN_MEM_ACCESS_CORE:
 	case BFIN_MEM_ACCESS_CORE_ONLY:
@@ -201,60 +217,430 @@ bool get_instruction(unsigned short *val, unsigned short *address)
 	}
 }
 
+bool get_instruction(unsigned int *val, unsigned short *address)
+{
+	unsigned long addr = (unsigned long)address;
+	unsigned short opcode0, opcode1;
+
+	/* Check for odd addresses */
+	if (addr & 0x1)
+		return false;
+
+	/* MMR region will never have instructions */
+	if (addr >= SYSMMR_BASE)
+		return false;
+
+	/* Scratchpad will never have instructions */
+	if (addr >= L1_SCRATCH_START && addr < L1_SCRATCH_START + L1_SCRATCH_LENGTH)
+		return false;
+
+	/* Data banks will never have instructions */
+	if (addr >= BOOT_ROM_START + BOOT_ROM_LENGTH && addr < L1_CODE_START)
+		return false;
+
+	if (!get_mem16(&opcode0, address))
+		return false;
+
+	/* was this a 32-bit instruction? If so, get the next 16 bits */
+	if ((opcode0 & 0xc000) == 0xc000) {
+		if (!get_mem16(&opcode1, address + 1))
+			return false;
+		*val = (opcode0 << 16) + opcode1;
+	} else
+		*val = opcode0;
+
+	return true;
+}
+
+#if defined(CONFIG_DEBUG_BFIN_HWTRACE_ON)
 /*
  * decode the instruction if we are printing out the trace, as it
  * makes things easier to follow, without running it through objdump
- * These are the normal instructions which cause change of flow, which
- * would be at the source of the trace buffer
+ * Decode the change of flow, and the common load/store instructions
+ * which are the main cause for faults, and discontinuities in the trace
+ * buffer.
  */
-#if defined(CONFIG_DEBUG_BFIN_HWTRACE_ON)
-static void decode_instruction(unsigned short *address)
-{
-	unsigned short opcode;
 
-	if (get_instruction(&opcode, address)) {
-		if (opcode == 0x0010)
-			pr_cont("RTS");
-		else if (opcode == 0x0011)
-			pr_cont("RTI");
-		else if (opcode == 0x0012)
-			pr_cont("RTX");
-		else if (opcode == 0x0013)
-			pr_cont("RTN");
-		else if (opcode == 0x0014)
-			pr_cont("RTE");
-		else if (opcode == 0x0025)
-			pr_cont("EMUEXCPT");
-		else if (opcode >= 0x0040 && opcode <= 0x0047)
-			pr_cont("STI R%i", opcode & 7);
-		else if (opcode >= 0x0050 && opcode <= 0x0057)
-			pr_cont("JUMP (P%i)", opcode & 7);
-		else if (opcode >= 0x0060 && opcode <= 0x0067)
-			pr_cont("CALL (P%i)", opcode & 7);
-		else if (opcode >= 0x0070 && opcode <= 0x0077)
-			pr_cont("CALL (PC+P%i)", opcode & 7);
-		else if (opcode >= 0x0080 && opcode <= 0x0087)
-			pr_cont("JUMP (PC+P%i)", opcode & 7);
-		else if (opcode >= 0x0090 && opcode <= 0x009F)
-			pr_cont("RAISE 0x%x", opcode & 0xF);
-		else if (opcode >= 0x00A0 && opcode <= 0x00AF)
-			pr_cont("EXCPT 0x%x", opcode & 0xF);
-		else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF))
-			pr_cont("IF !CC JUMP");
-		else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff))
-			pr_cont("IF CC JUMP");
-		else if (opcode >= 0x2000 && opcode <= 0x2fff)
-			pr_cont("JUMP.S");
-		else if (opcode >= 0xe080 && opcode <= 0xe0ff)
-			pr_cont("LSETUP");
-		else if (opcode >= 0xe200 && opcode <= 0xe2ff)
-			pr_cont("JUMP.L");
-		else if (opcode >= 0xe300 && opcode <= 0xe3ff)
-			pr_cont("CALL pcrel");
-		else
-			pr_cont("0x%04x", opcode);
+#define ProgCtrl_opcode         0x0000
+#define ProgCtrl_poprnd_bits    0
+#define ProgCtrl_poprnd_mask    0xf
+#define ProgCtrl_prgfunc_bits   4
+#define ProgCtrl_prgfunc_mask   0xf
+#define ProgCtrl_code_bits      8
+#define ProgCtrl_code_mask      0xff
+
+static void decode_ProgCtrl_0(unsigned int opcode)
+{
+	int poprnd  = ((opcode >> ProgCtrl_poprnd_bits) & ProgCtrl_poprnd_mask);
+	int prgfunc = ((opcode >> ProgCtrl_prgfunc_bits) & ProgCtrl_prgfunc_mask);
+
+	if (prgfunc == 0 && poprnd == 0)
+		pr_cont("NOP");
+	else if (prgfunc == 1 && poprnd == 0)
+		pr_cont("RTS");
+	else if (prgfunc == 1 && poprnd == 1)
+		pr_cont("RTI");
+	else if (prgfunc == 1 && poprnd == 2)
+		pr_cont("RTX");
+	else if (prgfunc == 1 && poprnd == 3)
+		pr_cont("RTN");
+	else if (prgfunc == 1 && poprnd == 4)
+		pr_cont("RTE");
+	else if (prgfunc == 2 && poprnd == 0)
+		pr_cont("IDLE");
+	else if (prgfunc == 2 && poprnd == 3)
+		pr_cont("CSYNC");
+	else if (prgfunc == 2 && poprnd == 4)
+		pr_cont("SSYNC");
+	else if (prgfunc == 2 && poprnd == 5)
+		pr_cont("EMUEXCPT");
+	else if (prgfunc == 3)
+		pr_cont("CLI R%i", poprnd);
+	else if (prgfunc == 4)
+		pr_cont("STI R%i", poprnd);
+	else if (prgfunc == 5)
+		pr_cont("JUMP (P%i)", poprnd);
+	else if (prgfunc == 6)
+		pr_cont("CALL (P%i)", poprnd);
+	else if (prgfunc == 7)
+		pr_cont("CALL (PC + P%i)", poprnd);
+	else if (prgfunc == 8)
+		pr_cont("JUMP (PC + P%i", poprnd);
+	else if (prgfunc == 9)
+		pr_cont("RAISE %i", poprnd);
+	else if (prgfunc == 10)
+		pr_cont("EXCPT %i", poprnd);
+	else
+		pr_cont("0x%04x", opcode);
+
+}
+
+#define BRCC_opcode             0x1000
+#define BRCC_offset_bits        0
+#define BRCC_offset_mask        0x3ff
+#define BRCC_B_bits             10
+#define BRCC_B_mask             0x1
+#define BRCC_T_bits             11
+#define BRCC_T_mask             0x1
+#define BRCC_code_bits          12
+#define BRCC_code_mask          0xf
+
+static void decode_BRCC_0(unsigned int opcode)
+{
+	int B = ((opcode >> BRCC_B_bits) & BRCC_B_mask);
+	int T = ((opcode >> BRCC_T_bits) & BRCC_T_mask);
+
+	pr_cont("IF %sCC JUMP pcrel %s", T ? "" : "!", B ? "(BP)" : "");
+}
+
+#define CALLa_opcode    0xe2000000
+#define CALLa_addr_bits 0
+#define CALLa_addr_mask 0xffffff
+#define CALLa_S_bits    24
+#define CALLa_S_mask    0x1
+#define CALLa_code_bits 25
+#define CALLa_code_mask 0x7f
+
+static void decode_CALLa_0(unsigned int opcode)
+{
+	int S   = ((opcode >> (CALLa_S_bits - 16)) & CALLa_S_mask);
+
+	if (S)
+		pr_cont("CALL pcrel");
+	else
+		pr_cont("JUMP.L");
+}
+
+#define LoopSetup_opcode                0xe0800000
+#define LoopSetup_eoffset_bits          0
+#define LoopSetup_eoffset_mask          0x3ff
+#define LoopSetup_dontcare_bits         10
+#define LoopSetup_dontcare_mask         0x3
+#define LoopSetup_reg_bits              12
+#define LoopSetup_reg_mask              0xf
+#define LoopSetup_soffset_bits          16
+#define LoopSetup_soffset_mask          0xf
+#define LoopSetup_c_bits                20
+#define LoopSetup_c_mask                0x1
+#define LoopSetup_rop_bits              21
+#define LoopSetup_rop_mask              0x3
+#define LoopSetup_code_bits             23
+#define LoopSetup_code_mask             0x1ff
+
+static void decode_LoopSetup_0(unsigned int opcode)
+{
+	int c   = ((opcode >> LoopSetup_c_bits)   & LoopSetup_c_mask);
+	int reg = ((opcode >> LoopSetup_reg_bits) & LoopSetup_reg_mask);
+	int rop = ((opcode >> LoopSetup_rop_bits) & LoopSetup_rop_mask);
+
+	pr_cont("LSETUP <> LC%i", c);
+	if ((rop & 1) == 1)
+		pr_cont("= P%i", reg);
+	if ((rop & 2) == 2)
+		pr_cont(" >> 0x1");
+}
+
+#define DspLDST_opcode          0x9c00
+#define DspLDST_reg_bits        0
+#define DspLDST_reg_mask        0x7
+#define DspLDST_i_bits          3
+#define DspLDST_i_mask          0x3
+#define DspLDST_m_bits          5
+#define DspLDST_m_mask          0x3
+#define DspLDST_aop_bits        7
+#define DspLDST_aop_mask        0x3
+#define DspLDST_W_bits          9
+#define DspLDST_W_mask          0x1
+#define DspLDST_code_bits       10
+#define DspLDST_code_mask       0x3f
+
+static void decode_dspLDST_0(unsigned int opcode)
+{
+	int i   = ((opcode >> DspLDST_i_bits) & DspLDST_i_mask);
+	int m   = ((opcode >> DspLDST_m_bits) & DspLDST_m_mask);
+	int W   = ((opcode >> DspLDST_W_bits) & DspLDST_W_mask);
+	int aop = ((opcode >> DspLDST_aop_bits) & DspLDST_aop_mask);
+	int reg = ((opcode >> DspLDST_reg_bits) & DspLDST_reg_mask);
+
+	if (W == 0) {
+		pr_cont("R%i", reg);
+		switch (m) {
+		case 0:
+			pr_cont(" = ");
+			break;
+		case 1:
+			pr_cont(".L = ");
+			break;
+		case 2:
+			pr_cont(".W = ");
+			break;
+		}
 	}
 
+	pr_cont("[ I%i", i);
+
+	switch (aop) {
+	case 0:
+		pr_cont("++ ]");
+		break;
+	case 1:
+		pr_cont("-- ]");
+		break;
+	}
+
+	if (W == 1) {
+		pr_cont(" = R%i", reg);
+		switch (m) {
+		case 1:
+			pr_cont(".L = ");
+			break;
+		case 2:
+			pr_cont(".W = ");
+			break;
+		}
+	}
+}
+
+#define LDST_opcode             0x9000
+#define LDST_reg_bits           0
+#define LDST_reg_mask           0x7
+#define LDST_ptr_bits           3
+#define LDST_ptr_mask           0x7
+#define LDST_Z_bits             6
+#define LDST_Z_mask             0x1
+#define LDST_aop_bits           7
+#define LDST_aop_mask           0x3
+#define LDST_W_bits             9
+#define LDST_W_mask             0x1
+#define LDST_sz_bits            10
+#define LDST_sz_mask            0x3
+#define LDST_code_bits          12
+#define LDST_code_mask          0xf
+
+static void decode_LDST_0(unsigned int opcode)
+{
+	int Z   = ((opcode >> LDST_Z_bits) & LDST_Z_mask);
+	int W   = ((opcode >> LDST_W_bits) & LDST_W_mask);
+	int sz  = ((opcode >> LDST_sz_bits) & LDST_sz_mask);
+	int aop = ((opcode >> LDST_aop_bits) & LDST_aop_mask);
+	int reg = ((opcode >> LDST_reg_bits) & LDST_reg_mask);
+	int ptr = ((opcode >> LDST_ptr_bits) & LDST_ptr_mask);
+
+	if (W == 0)
+		pr_cont("%s%i = ", (sz == 0 && Z == 1) ? "P" : "R", reg);
+
+	switch (sz) {
+	case 1:
+		pr_cont("W");
+		break;
+	case 2:
+		pr_cont("B");
+		break;
+	}
+
+	pr_cont("[P%i", ptr);
+
+	switch (aop) {
+	case 0:
+		pr_cont("++");
+		break;
+	case 1:
+		pr_cont("--");
+		break;
+	}
+	pr_cont("]");
+
+	if (W == 1)
+		pr_cont(" = %s%i ", (sz == 0 && Z == 1) ? "P" : "R", reg);
+
+	if (sz) {
+		if (Z)
+			pr_cont(" (X)");
+		else
+			pr_cont(" (Z)");
+	}
+}
+
+#define LDSTii_opcode           0xa000
+#define LDSTii_reg_bit          0
+#define LDSTii_reg_mask         0x7
+#define LDSTii_ptr_bit          3
+#define LDSTii_ptr_mask         0x7
+#define LDSTii_offset_bit       6
+#define LDSTii_offset_mask      0xf
+#define LDSTii_op_bit           10
+#define LDSTii_op_mask          0x3
+#define LDSTii_W_bit            12
+#define LDSTii_W_mask           0x1
+#define LDSTii_code_bit         13
+#define LDSTii_code_mask        0x7
+
+static void decode_LDSTii_0(unsigned int opcode)
+{
+	int reg = ((opcode >> LDSTii_reg_bit) & LDSTii_reg_mask);
+	int ptr = ((opcode >> LDSTii_ptr_bit) & LDSTii_ptr_mask);
+	int offset = ((opcode >> LDSTii_offset_bit) & LDSTii_offset_mask);
+	int op = ((opcode >> LDSTii_op_bit) & LDSTii_op_mask);
+	int W = ((opcode >> LDSTii_W_bit) & LDSTii_W_mask);
+
+	if (W == 0) {
+		pr_cont("%s%i = %s[P%i + %i]", op == 3 ? "R" : "P", reg,
+			op == 1 || op == 2 ? "" : "W", ptr, offset);
+		if (op == 2)
+			pr_cont("(Z)");
+		if (op == 3)
+			pr_cont("(X)");
+	} else {
+		pr_cont("%s[P%i + %i] = %s%i", op == 0 ? "" : "W", ptr,
+			offset, op == 3 ? "P" : "R", reg);
+	}
+}
+
+#define LDSTidxI_opcode         0xe4000000
+#define LDSTidxI_offset_bits    0
+#define LDSTidxI_offset_mask    0xffff
+#define LDSTidxI_reg_bits       16
+#define LDSTidxI_reg_mask       0x7
+#define LDSTidxI_ptr_bits       19
+#define LDSTidxI_ptr_mask       0x7
+#define LDSTidxI_sz_bits        22
+#define LDSTidxI_sz_mask        0x3
+#define LDSTidxI_Z_bits         24
+#define LDSTidxI_Z_mask         0x1
+#define LDSTidxI_W_bits         25
+#define LDSTidxI_W_mask         0x1
+#define LDSTidxI_code_bits      26
+#define LDSTidxI_code_mask      0x3f
+
+static void decode_LDSTidxI_0(unsigned int opcode)
+{
+	int Z      = ((opcode >> LDSTidxI_Z_bits)      & LDSTidxI_Z_mask);
+	int W      = ((opcode >> LDSTidxI_W_bits)      & LDSTidxI_W_mask);
+	int sz     = ((opcode >> LDSTidxI_sz_bits)     & LDSTidxI_sz_mask);
+	int reg    = ((opcode >> LDSTidxI_reg_bits)    & LDSTidxI_reg_mask);
+	int ptr    = ((opcode >> LDSTidxI_ptr_bits)    & LDSTidxI_ptr_mask);
+	int offset = ((opcode >> LDSTidxI_offset_bits) & LDSTidxI_offset_mask);
+
+	if (W == 0)
+		pr_cont("%s%i = ", sz == 0 && Z == 1 ? "P" : "R", reg);
+
+	if (sz == 1)
+		pr_cont("W");
+	if (sz == 2)
+		pr_cont("B");
+
+	pr_cont("[P%i + %s0x%x]", ptr, offset & 0x20 ? "-" : "",
+		(offset & 0x1f) << 2);
+
+	if (W == 0 && sz != 0) {
+		if (Z)
+			pr_cont("(X)");
+		else
+			pr_cont("(Z)");
+	}
+
+	if (W == 1)
+		pr_cont("= %s%i", (sz == 0 && Z == 1) ? "P" : "R", reg);
+
+}
+
+static void decode_opcode(unsigned int opcode)
+{
+#ifdef CONFIG_BUG
+	if (opcode == BFIN_BUG_OPCODE)
+		pr_cont("BUG");
+	else
+#endif
+	if ((opcode & 0xffffff00) == ProgCtrl_opcode)
+		decode_ProgCtrl_0(opcode);
+	else if ((opcode & 0xfffff000) == BRCC_opcode)
+		decode_BRCC_0(opcode);
+	else if ((opcode & 0xfffff000) == 0x2000)
+		pr_cont("JUMP.S");
+	else if ((opcode & 0xfe000000) == CALLa_opcode)
+		decode_CALLa_0(opcode);
+	else if ((opcode & 0xff8000C0) == LoopSetup_opcode)
+		decode_LoopSetup_0(opcode);
+	else if ((opcode & 0xfffffc00) == DspLDST_opcode)
+		decode_dspLDST_0(opcode);
+	else if ((opcode & 0xfffff000) == LDST_opcode)
+		decode_LDST_0(opcode);
+	else if ((opcode & 0xffffe000) == LDSTii_opcode)
+		decode_LDSTii_0(opcode);
+	else if ((opcode & 0xfc000000) == LDSTidxI_opcode)
+		decode_LDSTidxI_0(opcode);
+	else if (opcode & 0xffff0000)
+		pr_cont("0x%08x", opcode);
+	else
+		pr_cont("0x%04x", opcode);
+}
+
+#define BIT_MULTI_INS 0x08000000
+static void decode_instruction(unsigned short *address)
+{
+	unsigned int opcode;
+
+	if (!get_instruction(&opcode, address))
+		return;
+
+	decode_opcode(opcode);
+
+	/* If things are a 32-bit instruction, it has the possibility of being
+	 * a multi-issue instruction (a 32-bit, and 2 16 bit instrucitions)
+	 * This test collidates with the unlink instruction, so disallow that
+	 */
+	if ((opcode & 0xc0000000) == 0xc0000000 &&
+	    (opcode & BIT_MULTI_INS) &&
+	    (opcode & 0xe8000000) != 0xe8000000) {
+		pr_cont(" || ");
+		if (!get_instruction(&opcode, address + 2))
+			return;
+		decode_opcode(opcode);
+		pr_cont(" || ");
+		if (!get_instruction(&opcode, address + 3))
+			return;
+		decode_opcode(opcode);
+	}
 }
 #endif
 
@@ -397,7 +783,7 @@ void dump_bfin_mem(struct pt_regs *fp)
 		if (!((unsigned long)addr & 0xF))
 			pr_notice("0x%p: ", addr);
 
-		if (!get_instruction(&val, addr)) {
+		if (!get_mem16(&val, addr)) {
 				val = 0;
 				sprintf(buf, "????");
 		} else
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 7c31a3d7af2..fffcf8a516b 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -546,7 +546,7 @@ void panic_cplb_error(int cplb_panic, struct pt_regs *fp)
 #ifdef CONFIG_BUG
 int is_valid_bugaddr(unsigned long addr)
 {
-	unsigned short opcode;
+	unsigned int opcode;
 
 	if (!get_instruction(&opcode, (unsigned short *)addr))
 		return 0;

From 2620c83668660d950cb4295aeb7147f1e599c638 Mon Sep 17 00:00:00 2001
From: Graf Yang <graf.yang@analog.com>
Date: Tue, 16 Mar 2010 07:39:17 +0000
Subject: [PATCH 2487/3638] Blackfin: SMP: add flush_tlb_kernel_range stub

Newer code in mm/page_alloc.c requires this function now in arches.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/include/asm/tlbflush.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/blackfin/include/asm/tlbflush.h b/arch/blackfin/include/asm/tlbflush.h
index f1a06c006ed..7c368682c0a 100644
--- a/arch/blackfin/include/asm/tlbflush.h
+++ b/arch/blackfin/include/asm/tlbflush.h
@@ -1 +1,2 @@
 #include <asm-generic/tlbflush.h>
+#define flush_tlb_kernel_range(s, e) do { } while (0)

From ead4046b2fdfd69acc4272e693afd249ad3eb689 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Fri, 21 May 2010 09:15:59 +0200
Subject: [PATCH 2488/3638] ALSA: pcm: fix the fix of the runtime->boundary
 calculation

Commit 7910b4a1db63fefc3d291853d33c34c5b6352e8e in 2.6.34 changed the
runtime->boundary calculation to make this value a multiple of both the
buffer_size and the period_size, because the latter is assumed by the
runtime->hw_ptr_interrupt calculation.

However, due to the lack of a ioctl that could read the software
parameters before they are set, the kernel requires that alsa-lib
calculates the boundary value, too.  The changed algorithm leads to
a different boundary value used by alsa-lib, which makes, e.g., mplayer
fail to play a 44.1 kHz file because the silence_size parameter is now
invalid; bug report:
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5015>.

This patch reverts the change to the boundary calculation, and instead
fixes the hw_ptr_interrupt calculation to be period-aligned regardless
of the boundary value.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/core/pcm_lib.c    |  9 +++++++--
 sound/core/pcm_native.c | 39 +++------------------------------------
 2 files changed, 10 insertions(+), 38 deletions(-)

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index a2ff86189d2..22aff180dd1 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -439,8 +439,13 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
 		snd_pcm_playback_silence(substream, new_hw_ptr);
 
 	if (in_interrupt) {
-		runtime->hw_ptr_interrupt = new_hw_ptr -
-				(new_hw_ptr % runtime->period_size);
+		delta = new_hw_ptr - runtime->hw_ptr_interrupt;
+		if (delta < 0)
+			delta += runtime->boundary;
+		delta -= (snd_pcm_uframes_t)delta % runtime->period_size;
+		runtime->hw_ptr_interrupt += delta;
+		if (runtime->hw_ptr_interrupt >= runtime->boundary)
+			runtime->hw_ptr_interrupt -= runtime->boundary;
 	}
 	runtime->hw_ptr_base = hw_base;
 	runtime->status->hw_ptr = new_hw_ptr;
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 644c2bb17b8..303ac04ff6e 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -27,7 +27,6 @@
 #include <linux/pm_qos_params.h>
 #include <linux/uio.h>
 #include <linux/dma-mapping.h>
-#include <linux/math64.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/info.h>
@@ -370,38 +369,6 @@ static int period_to_usecs(struct snd_pcm_runtime *runtime)
 	return usecs;
 }
 
-static int calc_boundary(struct snd_pcm_runtime *runtime)
-{
-	u_int64_t boundary;
-
-	boundary = (u_int64_t)runtime->buffer_size *
-		   (u_int64_t)runtime->period_size;
-#if BITS_PER_LONG < 64
-	/* try to find lowest common multiple for buffer and period */
-	if (boundary > LONG_MAX - runtime->buffer_size) {
-		u_int32_t remainder = -1;
-		u_int32_t divident = runtime->buffer_size;
-		u_int32_t divisor = runtime->period_size;
-		while (remainder) {
-			remainder = divident % divisor;
-			if (remainder) {
-				divident = divisor;
-				divisor = remainder;
-			}
-		}
-		boundary = div_u64(boundary, divisor);
-		if (boundary > LONG_MAX - runtime->buffer_size)
-			return -ERANGE;
-	}
-#endif
-	if (boundary == 0)
-		return -ERANGE;
-	runtime->boundary = boundary;
-	while (runtime->boundary * 2 <= LONG_MAX - runtime->buffer_size)
-		runtime->boundary *= 2;
-	return 0;
-}
-
 static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 			     struct snd_pcm_hw_params *params)
 {
@@ -477,9 +444,9 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 	runtime->stop_threshold = runtime->buffer_size;
 	runtime->silence_threshold = 0;
 	runtime->silence_size = 0;
-	err = calc_boundary(runtime);
-	if (err < 0)
-		goto _error;
+	runtime->boundary = runtime->buffer_size;
+	while (runtime->boundary * 2 <= LONG_MAX - runtime->buffer_size)
+		runtime->boundary *= 2;
 
 	snd_pcm_timer_resolution_change(substream);
 	runtime->status->state = SNDRV_PCM_STATE_SETUP;

From ed4878e8a4f550fd357ce5144cfd412015f6a111 Mon Sep 17 00:00:00 2001
From: Bob Peterson <rpeterso@redhat.com>
Date: Thu, 20 May 2010 23:30:11 -0400
Subject: [PATCH 2489/3638] GFS2: Rework reclaiming unlinked dinodes

The previous patch I wrote for reclaiming unlinked dinodes
had some shortcomings and did not prevent all hangs.
This version is much cleaner and more logical, and has
passed very difficult testing.  Sorry for the churn.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/inode.c | 54 ++++++++++++++++++++++++++-----------------------
 fs/gfs2/inode.h |  3 +--
 fs/gfs2/log.c   |  2 +-
 fs/gfs2/log.h   | 29 ++++++++++----------------
 fs/gfs2/rgrp.c  | 20 ++++++++++--------
 5 files changed, 54 insertions(+), 54 deletions(-)

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 51d8061fa07..b5612cbb62a 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -242,34 +242,38 @@ fail:
 }
 
 /**
- * gfs2_unlinked_inode_lookup - Lookup an unlinked inode for reclamation
+ * gfs2_process_unlinked_inode - Lookup an unlinked inode for reclamation
+ *                               and try to reclaim it by doing iput.
+ *
+ * This function assumes no rgrp locks are currently held.
+ *
  * @sb: The super block
  * no_addr: The inode number
- * @@inode: A pointer to the inode found, if any
  *
- * Returns: 0 and *inode if no errors occurred.  If an error occurs,
- *          the resulting *inode may or may not be NULL.
  */
 
-int gfs2_unlinked_inode_lookup(struct super_block *sb, u64 no_addr,
-			       struct inode **inode)
+void gfs2_process_unlinked_inode(struct super_block *sb, u64 no_addr)
 {
 	struct gfs2_sbd *sdp;
 	struct gfs2_inode *ip;
 	struct gfs2_glock *io_gl;
 	int error;
 	struct gfs2_holder gh;
+	struct inode *inode;
 
-	*inode = gfs2_iget_skip(sb, no_addr);
+	inode = gfs2_iget_skip(sb, no_addr);
 
-	if (!(*inode))
-		return -ENOBUFS;
+	if (!inode)
+		return;
 
-	if (!((*inode)->i_state & I_NEW))
-		return -ENOBUFS;
+	/* If it's not a new inode, someone's using it, so leave it alone. */
+	if (!(inode->i_state & I_NEW)) {
+		iput(inode);
+		return;
+	}
 
-	ip = GFS2_I(*inode);
-	sdp = GFS2_SB(*inode);
+	ip = GFS2_I(inode);
+	sdp = GFS2_SB(inode);
 	ip->i_no_formal_ino = -1;
 
 	error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl);
@@ -284,15 +288,13 @@ int gfs2_unlinked_inode_lookup(struct super_block *sb, u64 no_addr,
 	set_bit(GIF_INVALID, &ip->i_flags);
 	error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, LM_FLAG_TRY | GL_EXACT,
 				   &ip->i_iopen_gh);
-	if (unlikely(error)) {
-		if (error == GLR_TRYFAILED)
-			error = 0;
+	if (unlikely(error))
 		goto fail_iopen;
-	}
+
 	ip->i_iopen_gh.gh_gl->gl_object = ip;
 	gfs2_glock_put(io_gl);
 
-	(*inode)->i_mode = DT2IF(DT_UNKNOWN);
+	inode->i_mode = DT2IF(DT_UNKNOWN);
 
 	/*
 	 * We must read the inode in order to work out its type in
@@ -303,16 +305,17 @@ int gfs2_unlinked_inode_lookup(struct super_block *sb, u64 no_addr,
 	 */
 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, LM_FLAG_TRY,
 				   &gh);
-	if (unlikely(error)) {
-		if (error == GLR_TRYFAILED)
-			error = 0;
+	if (unlikely(error))
 		goto fail_glock;
-	}
+
 	/* Inode is now uptodate */
 	gfs2_glock_dq_uninit(&gh);
-	gfs2_set_iop(*inode);
+	gfs2_set_iop(inode);
+
+	/* The iput will cause it to be deleted. */
+	iput(inode);
+	return;
 
-	return 0;
 fail_glock:
 	gfs2_glock_dq(&ip->i_iopen_gh);
 fail_iopen:
@@ -321,7 +324,8 @@ fail_put:
 	ip->i_gl->gl_object = NULL;
 	gfs2_glock_put(ip->i_gl);
 fail:
-	return error;
+	iget_failed(inode);
+	return;
 }
 
 static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index e161461d4c5..300ada3f21d 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -84,8 +84,7 @@ static inline void gfs2_inum_out(const struct gfs2_inode *ip,
 extern void gfs2_set_iop(struct inode *inode);
 extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, 
 				       u64 no_addr, u64 no_formal_ino);
-extern int gfs2_unlinked_inode_lookup(struct super_block *sb, u64 no_addr,
-				      struct inode **inode);
+extern void gfs2_process_unlinked_inode(struct super_block *sb, u64 no_addr);
 extern struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr);
 
 extern int gfs2_inode_refresh(struct gfs2_inode *ip);
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index b593f0e28f2..6a857e24f94 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -696,7 +696,7 @@ static void gfs2_ordered_wait(struct gfs2_sbd *sdp)
  *
  */
 
-void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
+void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
 {
 	struct gfs2_ail *ai;
 
diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h
index eb570b4ad44..0d007f92023 100644
--- a/fs/gfs2/log.h
+++ b/fs/gfs2/log.h
@@ -47,28 +47,21 @@ static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp,
 	sdp->sd_log_head = sdp->sd_log_tail = value;
 }
 
-unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
+extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
 			    unsigned int ssize);
 
-int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
-void gfs2_log_incr_head(struct gfs2_sbd *sdp);
+extern int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
+extern void gfs2_log_incr_head(struct gfs2_sbd *sdp);
 
-struct buffer_head *gfs2_log_get_buf(struct gfs2_sbd *sdp);
-struct buffer_head *gfs2_log_fake_buf(struct gfs2_sbd *sdp,
+extern struct buffer_head *gfs2_log_get_buf(struct gfs2_sbd *sdp);
+extern struct buffer_head *gfs2_log_fake_buf(struct gfs2_sbd *sdp,
 				      struct buffer_head *real);
-void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl);
+extern void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl);
+extern void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
+extern void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
 
-static inline void gfs2_log_flush(struct gfs2_sbd *sbd, struct gfs2_glock *gl)
-{
-	if (!gl || test_bit(GLF_LFLUSH, &gl->gl_flags))
-		__gfs2_log_flush(sbd, gl);
-}
-
-void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
-void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
-
-void gfs2_log_shutdown(struct gfs2_sbd *sdp);
-void gfs2_meta_syncfs(struct gfs2_sbd *sdp);
-int gfs2_logd(void *data);
+extern void gfs2_log_shutdown(struct gfs2_sbd *sdp);
+extern void gfs2_meta_syncfs(struct gfs2_sbd *sdp);
+extern int gfs2_logd(void *data);
 
 #endif /* __LOG_DOT_H__ */
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 8bce73ed4d8..6daf4c65a3c 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -1191,7 +1191,6 @@ int gfs2_inplace_reserve_i(struct gfs2_inode *ip, char *file, unsigned int line)
 {
 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
 	struct gfs2_alloc *al = ip->i_alloc;
-	struct inode *inode;
 	int error = 0;
 	u64 last_unlinked = NO_BLOCK, unlinked;
 
@@ -1209,22 +1208,27 @@ try_again:
 	if (error)
 		return error;
 
+	/* Find an rgrp suitable for allocation.  If it encounters any unlinked
+	   dinodes along the way, error will equal -EAGAIN and unlinked will
+	   contains it block address. We then need to look up that inode and
+	   try to free it, and try the allocation again. */
 	error = get_local_rgrp(ip, &unlinked, &last_unlinked);
 	if (error) {
 		if (ip != GFS2_I(sdp->sd_rindex))
 			gfs2_glock_dq_uninit(&al->al_ri_gh);
 		if (error != -EAGAIN)
 			return error;
-		error = gfs2_unlinked_inode_lookup(ip->i_inode.i_sb,
-						   unlinked, &inode);
-		if (inode)
-			iput(inode);
+
+		gfs2_process_unlinked_inode(ip->i_inode.i_sb, unlinked);
+		/* regardless of whether or not gfs2_process_unlinked_inode
+		   was successful, we don't want to repeat it again. */
+		last_unlinked = unlinked;
 		gfs2_log_flush(sdp, NULL);
-		if (error == GLR_TRYFAILED)
-			error = 0;
+		error = 0;
+
 		goto try_again;
 	}
-
+	/* no error, so we have the rgrp set in the inode's allocation. */
 	al->al_file = file;
 	al->al_line = line;
 

From f72f2d2e2f3238e4dedf4afb5f9945b3227dd87e Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Fri, 21 May 2010 16:12:27 +0100
Subject: [PATCH 2490/3638] GFS2: Don't "get" xattrs for ACLs when ACLs are
 turned off

This is to match ext3 behaviour. We should not allow getting of
xattrs relating to ACLs when ACLs are turned off.

Reported-by: Nate Straz <nstraz@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/acl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 87ee309d4c2..ca991d77659 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -236,10 +236,14 @@ static int gfs2_xattr_system_get(struct dentry *dentry, const char *name,
 				 void *buffer, size_t size, int xtype)
 {
 	struct inode *inode = dentry->d_inode;
+	struct gfs2_sbd *sdp = GFS2_SB(inode);
 	struct posix_acl *acl;
 	int type;
 	int error;
 
+	if (!sdp->sd_args.ar_posix_acl)
+		return -EOPNOTSUPP;
+
 	type = gfs2_acl_type(name);
 	if (type < 0)
 		return type;

From 4434ade8c9334a3ab975d8993de456f06841899e Mon Sep 17 00:00:00 2001
From: Krzysztof Foltman <wdev@foltman.com>
Date: Thu, 20 May 2010 20:31:10 +0100
Subject: [PATCH 2491/3638] ALSA: usb-audio: add support for Akai MPD16

The decoding/encoding is based on own reverse-engineering. Both control and
data ports are handled. Writing to control port supports SysEx events only,
as this is the only type of messages that MPD16 recognizes.

Signed-off-by: Krzysztof Foltman <wdev@foltman.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/midi.c         | 110 +++++++++++++++++++++++++++++++++++++++
 sound/usb/midi.h         |   2 +
 sound/usb/quirks-table.h |  11 ++++
 sound/usb/quirks.c       |   1 +
 sound/usb/usbaudio.h     |   1 +
 5 files changed, 125 insertions(+)

diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 2c1558c327b..9c23d89066e 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -644,6 +644,105 @@ static struct usb_protocol_ops snd_usbmidi_cme_ops = {
 	.output_packet = snd_usbmidi_output_standard_packet,
 };
 
+/*
+ * AKAI MPD16 protocol:
+ *
+ * For control port (endpoint 1):
+ * ==============================
+ * One or more chunks consisting of first byte of (0x10 | msg_len) and then a
+ * SysEx message (msg_len=9 bytes long).
+ *
+ * For data port (endpoint 2):
+ * ===========================
+ * One or more chunks consisting of first byte of (0x20 | msg_len) and then a
+ * MIDI message (msg_len bytes long)
+ *
+ * Messages sent: Active Sense, Note On, Poly Pressure, Control Change.
+ */
+static void snd_usbmidi_akai_input(struct snd_usb_midi_in_endpoint *ep,
+				   uint8_t *buffer, int buffer_length)
+{
+	unsigned int pos = 0;
+	unsigned int len = (unsigned int)buffer_length;
+	while (pos < len) {
+		unsigned int port = (buffer[pos] >> 4) - 1;
+		unsigned int msg_len = buffer[pos] & 0x0f;
+		pos++;
+		if (pos + msg_len <= len && port < 2)
+			snd_usbmidi_input_data(ep, 0, &buffer[pos], msg_len);
+		pos += msg_len;
+	}
+}
+
+#define MAX_AKAI_SYSEX_LEN 9
+
+static void snd_usbmidi_akai_output(struct snd_usb_midi_out_endpoint *ep,
+				    struct urb *urb)
+{
+	uint8_t *msg;
+	int pos, end, count, buf_end;
+	uint8_t tmp[MAX_AKAI_SYSEX_LEN];
+	struct snd_rawmidi_substream *substream = ep->ports[0].substream;
+
+	if (!ep->ports[0].active)
+		return;
+
+	msg = urb->transfer_buffer + urb->transfer_buffer_length;
+	buf_end = ep->max_transfer - MAX_AKAI_SYSEX_LEN - 1;
+
+	/* only try adding more data when there's space for at least 1 SysEx */
+	while (urb->transfer_buffer_length < buf_end) {
+		count = snd_rawmidi_transmit_peek(substream,
+						  tmp, MAX_AKAI_SYSEX_LEN);
+		if (!count) {
+			ep->ports[0].active = 0;
+			return;
+		}
+		/* try to skip non-SysEx data */
+		for (pos = 0; pos < count && tmp[pos] != 0xF0; pos++)
+			;
+
+		if (pos > 0) {
+			snd_rawmidi_transmit_ack(substream, pos);
+			continue;
+		}
+
+		/* look for the start or end marker */
+		for (end = 1; end < count && tmp[end] < 0xF0; end++)
+			;
+
+		/* next SysEx started before the end of current one */
+		if (end < count && tmp[end] == 0xF0) {
+			/* it's incomplete - drop it */
+			snd_rawmidi_transmit_ack(substream, end);
+			continue;
+		}
+		/* SysEx complete */
+		if (end < count && tmp[end] == 0xF7) {
+			/* queue it, ack it, and get the next one */
+			count = end + 1;
+			msg[0] = 0x10 | count;
+			memcpy(&msg[1], tmp, count);
+			snd_rawmidi_transmit_ack(substream, count);
+			urb->transfer_buffer_length += count + 1;
+			msg += count + 1;
+			continue;
+		}
+		/* less than 9 bytes and no end byte - wait for more */
+		if (count < MAX_AKAI_SYSEX_LEN) {
+			ep->ports[0].active = 0;
+			return;
+		}
+		/* 9 bytes and no end marker in sight - malformed, skip it */
+		snd_rawmidi_transmit_ack(substream, count);
+	}
+}
+
+static struct usb_protocol_ops snd_usbmidi_akai_ops = {
+	.input = snd_usbmidi_akai_input,
+	.output = snd_usbmidi_akai_output,
+};
+
 /*
  * Novation USB MIDI protocol: number of data bytes is in the first byte
  * (when receiving) (+1!) or in the second byte (when sending); data begins
@@ -1434,6 +1533,11 @@ static struct port_info {
 	EXTERNAL_PORT(0x086a, 0x0001, 8, "%s Broadcast"),
 	EXTERNAL_PORT(0x086a, 0x0002, 8, "%s Broadcast"),
 	EXTERNAL_PORT(0x086a, 0x0003, 4, "%s Broadcast"),
+	/* Akai MPD16 */
+	CONTROL_PORT(0x09e8, 0x0062, 0, "%s Control"),
+	PORT_INFO(0x09e8, 0x0062, 1, "%s MIDI", 0,
+		SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC |
+		SNDRV_SEQ_PORT_TYPE_HARDWARE),
 	/* Access Music Virus TI */
 	EXTERNAL_PORT(0x133e, 0x0815, 0, "%s MIDI"),
 	PORT_INFO(0x133e, 0x0815, 1, "%s Synth", 0,
@@ -2035,6 +2139,12 @@ int snd_usbmidi_create(struct snd_card *card,
 		umidi->usb_protocol_ops = &snd_usbmidi_cme_ops;
 		err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
 		break;
+	case QUIRK_MIDI_AKAI:
+		umidi->usb_protocol_ops = &snd_usbmidi_akai_ops;
+		err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
+		/* endpoint 1 is input-only */
+		endpoints[1].out_cables = 0;
+		break;
 	default:
 		snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
 		err = -ENXIO;
diff --git a/sound/usb/midi.h b/sound/usb/midi.h
index 2089ec987c6..2fca80b744c 100644
--- a/sound/usb/midi.h
+++ b/sound/usb/midi.h
@@ -37,6 +37,8 @@ struct snd_usb_midi_endpoint_info {
 
 /* for QUIRK_MIDI_CME, data is NULL */
 
+/* for QUIRK_MIDI_AKAI, data is NULL */
+
 int snd_usbmidi_create(struct snd_card *card,
 		       struct usb_interface *iface,
 		       struct list_head *midi_list,
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 91ddef31bcb..f8797f61a24 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -1973,6 +1973,17 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 
+/* AKAI devices */
+{
+	USB_DEVICE(0x09e8, 0x0062),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		.vendor_name = "AKAI",
+		.product_name = "MPD16",
+		.ifnum = 0,
+		.type = QUIRK_MIDI_AKAI,
+	}
+},
+
 /* TerraTec devices */
 {
 	USB_DEVICE_VENDOR_SPEC(0x0ccd, 0x0012),
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 136e5b4cf6d..b45e54c09ba 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -289,6 +289,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
 		[QUIRK_MIDI_FASTLANE] = create_any_midi_quirk,
 		[QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
 		[QUIRK_MIDI_CME] = create_any_midi_quirk,
+		[QUIRK_MIDI_AKAI] = create_any_midi_quirk,
 		[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
 		[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
 		[QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index d679e72a3e5..06ebf24d3a4 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -74,6 +74,7 @@ enum quirk_type {
 	QUIRK_MIDI_FASTLANE,
 	QUIRK_MIDI_EMAGIC,
 	QUIRK_MIDI_CME,
+	QUIRK_MIDI_AKAI,
 	QUIRK_MIDI_US122L,
 	QUIRK_AUDIO_STANDARD_INTERFACE,
 	QUIRK_AUDIO_FIXED_ENDPOINT,

From a5a420d207df40226afbf828c12bd9b4c6e058ef Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:28 -0500
Subject: [PATCH 2492/3638] serial: bfin_sport_uart: work around anomaly
 05000473 (make 32bit fifo read atomic)

We cannot let a 32-bit RX FIFO read be interrupted otherwise a fake RX
underflow error might be generated.

URL: http://blackfin.uclinux.org/gf/tracker/5145

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.h | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/serial/bfin_sport_uart.h b/drivers/serial/bfin_sport_uart.h
index abe03614e4d..9791fcc80a7 100644
--- a/drivers/serial/bfin_sport_uart.h
+++ b/drivers/serial/bfin_sport_uart.h
@@ -37,7 +37,21 @@
 #define SPORT_GET_TFSDIV(sport)		bfin_read16(((sport)->port.membase + OFFSET_TFSDIV))
 #define SPORT_GET_TX(sport)		bfin_read16(((sport)->port.membase + OFFSET_TX))
 #define SPORT_GET_RX(sport)		bfin_read16(((sport)->port.membase + OFFSET_RX))
-#define SPORT_GET_RX32(sport)		bfin_read32(((sport)->port.membase + OFFSET_RX))
+/*
+ * If another interrupt fires while doing a 32-bit read from RX FIFO,
+ * a fake RX underflow error will be generated.  So disable interrupts
+ * to prevent interruption while reading the FIFO.
+ */
+#define SPORT_GET_RX32(sport) \
+({ \
+	unsigned int __ret; \
+	if (ANOMALY_05000473) \
+		local_irq_disable(); \
+	__ret = bfin_read32((sport)->port.membase + OFFSET_RX); \
+	if (ANOMALY_05000473) \
+		local_irq_enable(); \
+	__ret; \
+})
 #define SPORT_GET_RCR1(sport)		bfin_read16(((sport)->port.membase + OFFSET_RCR1))
 #define SPORT_GET_RCR2(sport)		bfin_read16(((sport)->port.membase + OFFSET_RCR2))
 #define SPORT_GET_RCLKDIV(sport)	bfin_read16(((sport)->port.membase + OFFSET_RCLKDIV))

From 3f3a978b9f4a513610b32f16670914006a61067f Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:29 -0500
Subject: [PATCH 2493/3638] serial: bfin_sport_uart: shorten the SPORT TX
 waiting loop

The waiting loop to stop SPORT TX from TX interrupt is too long.  This may
block the SPORT RX interrupts and cause the RX FIFO to overflow. So, do
stop sport TX only after the last char in TX FIFO is moved into the shift
register.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index c88f8ad3ff8..6991c3605f9 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -271,7 +271,13 @@ static void sport_uart_tx_chars(struct sport_uart_port *up)
 	}
 
 	if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
-		sport_stop_tx(&up->port);
+		/* The waiting loop to stop SPORT TX from TX interrupt is
+		 * too long. This may block SPORT RX interrupts and cause
+		 * RX FIFO overflow. So, do stop sport TX only after the last
+		 * char in TX FIFO is moved into the shift register.
+		 */
+		if (SPORT_GET_STAT(up) & TXHRE)
+			sport_stop_tx(&up->port);
 		return;
 	}
 

From 00c1ff8c0fd14e1fa76fb5351ae7d11a513b8497 Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:30 -0500
Subject: [PATCH 2494/3638] serial: bfin_sport_uart: remove unused peripheral
 pin lists

All the resources are in the boards files now.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 6991c3605f9..5dcf5dc0da3 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -39,27 +39,6 @@
 
 #include "bfin_sport_uart.h"
 
-#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
-unsigned short bfin_uart_pin_req_sport0[] =
-	{P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS, \
-	 P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0};
-#endif
-#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
-unsigned short bfin_uart_pin_req_sport1[] =
-	{P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, \
-	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0};
-#endif
-#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
-unsigned short bfin_uart_pin_req_sport2[] =
-	{P_SPORT2_TFS, P_SPORT2_DTPRI, P_SPORT2_TSCLK, P_SPORT2_RFS, \
-	P_SPORT2_DRPRI, P_SPORT2_RSCLK, P_SPORT2_DRSEC, P_SPORT2_DTSEC, 0};
-#endif
-#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
-unsigned short bfin_uart_pin_req_sport3[] =
-	{P_SPORT3_TFS, P_SPORT3_DTPRI, P_SPORT3_TSCLK, P_SPORT3_RFS, \
-	P_SPORT3_DRPRI, P_SPORT3_RSCLK, P_SPORT3_DRSEC, P_SPORT3_DTSEC, 0};
-#endif
-
 struct sport_uart_port {
 	struct uart_port	port;
 	int			err_irq;

From e8126b32f6782d2e275e632a5e51e2433ceda7b0 Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:31 -0500
Subject: [PATCH 2495/3638] serial: bfin_sport_uart: add missing mapbase
 initialization

The driver doesn't care about this, but the common serial core wants it.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 5dcf5dc0da3..49e7e4f79e0 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -712,6 +712,7 @@ static int __devinit sport_uart_probe(struct platform_device *pdev)
 			ret = -ENXIO;
 			goto out_error_free_peripherals;
 		}
+		sport->port.mapbase = res->start;
 
 		sport->port.irq = platform_get_irq(pdev, 0);
 		if (sport->port.irq < 0) {
@@ -809,7 +810,7 @@ static int __init sport_uart_init(void)
 {
 	int ret;
 
-	pr_info("Serial: Blackfin uart over sport driver\n");
+	pr_info("Blackfin uart over sport driver\n");
 
 	ret = uart_register_driver(&sport_uart_reg);
 	if (ret) {

From b59588aae8356caf52b653a7c448c3fffdd27628 Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:32 -0500
Subject: [PATCH 2496/3638] serial: bfin_sport_uart: rename early platform
 driver class string

Clarifies command line set up for devices between consoles and early
devices.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 49e7e4f79e0..79252664f70 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -527,6 +527,8 @@ struct uart_ops sport_uart_ops = {
 static struct sport_uart_port *bfin_sport_uart_ports[BFIN_SPORT_UART_MAX_PORTS];
 
 #ifdef CONFIG_SERIAL_BFIN_SPORT_CONSOLE
+#define CLASS_BFIN_SPORT_CONSOLE	"bfin-sport-console"
+
 static int __init
 sport_uart_console_setup(struct console *co, char *options)
 {
@@ -788,7 +790,7 @@ static struct platform_driver sport_uart_driver = {
 
 #ifdef CONFIG_SERIAL_BFIN_SPORT_CONSOLE
 static __initdata struct early_platform_driver early_sport_uart_driver = {
-	.class_str = DRV_NAME,
+	.class_str = CLASS_BFIN_SPORT_CONSOLE,
 	.pdrv = &sport_uart_driver,
 	.requested_id = EARLY_PLATFORM_ID_UNSET,
 };
@@ -797,7 +799,8 @@ static int __init sport_uart_rs_console_init(void)
 {
 	early_platform_driver_register(&early_sport_uart_driver, DRV_NAME);
 
-	early_platform_driver_probe(DRV_NAME, BFIN_SPORT_UART_MAX_PORTS, 0);
+	early_platform_driver_probe(CLASS_BFIN_SPORT_CONSOLE,
+		BFIN_SPORT_UART_MAX_PORTS, 0);
 
 	register_console(&sport_uart_console);
 

From 1f7d1c85df5b63359e7f7e3fbd1509c1cdd6414f Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:33 -0500
Subject: [PATCH 2497/3638] serial: bfin_sport_uart: add support for CTS/RTS
 via GPIOs

Some people need flow control on their ports, so now boards can support
that via any GPIOs.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/Kconfig           |  24 +++++++
 drivers/serial/bfin_sport_uart.c | 111 ++++++++++++++++++++++++++++---
 drivers/serial/bfin_sport_uart.h |  11 +++
 3 files changed, 135 insertions(+), 11 deletions(-)

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 302836a8069..63258305c05 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1443,24 +1443,48 @@ config SERIAL_BFIN_SPORT0_UART
 	help
 	  Enable UART over SPORT0
 
+config SERIAL_BFIN_SPORT0_UART_CTSRTS
+	bool "Enable UART over SPORT0 hardware flow control"
+	depends on SERIAL_BFIN_SPORT0_UART
+	help
+	  Enable hardware flow control in the driver.
+
 config SERIAL_BFIN_SPORT1_UART
 	bool "Enable UART over SPORT1"
 	depends on SERIAL_BFIN_SPORT
 	help
 	  Enable UART over SPORT1
 
+config SERIAL_BFIN_SPORT1_UART_CTSRTS
+	bool "Enable UART over SPORT1 hardware flow control"
+	depends on SERIAL_BFIN_SPORT1_UART
+	help
+	  Enable hardware flow control in the driver.
+
 config SERIAL_BFIN_SPORT2_UART
 	bool "Enable UART over SPORT2"
 	depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539)
 	help
 	  Enable UART over SPORT2
 
+config SERIAL_BFIN_SPORT2_UART_CTSRTS
+	bool "Enable UART over SPORT2 hardware flow control"
+	depends on SERIAL_BFIN_SPORT2_UART
+	help
+	  Enable hardware flow control in the driver.
+
 config SERIAL_BFIN_SPORT3_UART
 	bool "Enable UART over SPORT3"
 	depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539)
 	help
 	  Enable UART over SPORT3
 
+config SERIAL_BFIN_SPORT3_UART_CTSRTS
+	bool "Enable UART over SPORT3 hardware flow control"
+	depends on SERIAL_BFIN_SPORT3_UART
+	help
+	  Enable hardware flow control in the driver.
+
 config SERIAL_TIMBERDALE
 	tristate "Support for timberdale UART"
 	select SERIAL_CORE
diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 79252664f70..8cb0a40c2ba 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -48,6 +48,10 @@ struct sport_uart_port {
 	unsigned short		txmask2;
 	unsigned char		stopb;
 /*	unsigned char		parib; */
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CTSRTS
+	int cts_pin;
+	int rts_pin;
+#endif
 };
 
 static void sport_uart_tx_chars(struct sport_uart_port *up);
@@ -198,6 +202,59 @@ static irqreturn_t sport_uart_err_irq(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CTSRTS
+static unsigned int sport_get_mctrl(struct uart_port *port)
+{
+	struct sport_uart_port *up = (struct sport_uart_port *)port;
+	if (up->cts_pin < 0)
+		return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+
+	/* CTS PIN is negative assertive. */
+	if (SPORT_UART_GET_CTS(up))
+		return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+	else
+		return TIOCM_DSR | TIOCM_CAR;
+}
+
+static void sport_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+	struct sport_uart_port *up = (struct sport_uart_port *)port;
+	if (up->rts_pin < 0)
+		return;
+
+	/* RTS PIN is negative assertive. */
+	if (mctrl & TIOCM_RTS)
+		SPORT_UART_ENABLE_RTS(up);
+	else
+		SPORT_UART_DISABLE_RTS(up);
+}
+
+/*
+ * Handle any change of modem status signal.
+ */
+static irqreturn_t sport_mctrl_cts_int(int irq, void *dev_id)
+{
+	struct sport_uart_port *up = (struct sport_uart_port *)dev_id;
+	unsigned int status;
+
+	status = sport_get_mctrl(&up->port);
+	uart_handle_cts_change(&up->port, status & TIOCM_CTS);
+
+	return IRQ_HANDLED;
+}
+#else
+static unsigned int sport_get_mctrl(struct uart_port *port)
+{
+	pr_debug("%s enter\n", __func__);
+	return TIOCM_CTS | TIOCM_CD | TIOCM_DSR;
+}
+
+static void sport_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+	pr_debug("%s enter\n", __func__);
+}
+#endif
+
 /* Reqeust IRQ, Setup clock */
 static int sport_startup(struct uart_port *port)
 {
@@ -226,6 +283,21 @@ static int sport_startup(struct uart_port *port)
 		goto fail2;
 	}
 
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CTSRTS
+	if (up->cts_pin >= 0) {
+		if (request_irq(gpio_to_irq(up->cts_pin),
+			sport_mctrl_cts_int,
+			IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+			IRQF_DISABLED, "BFIN_SPORT_UART_CTS", up)) {
+			up->cts_pin = -1;
+			dev_info(port->dev, "Unable to attach BlackFin UART \
+				over SPORT CTS interrupt. So, disable it.\n");
+		}
+	}
+	if (up->rts_pin >= 0)
+		gpio_direction_output(up->rts_pin, 0);
+#endif
+
 	return 0;
  fail2:
 	free_irq(up->port.irq+1, up);
@@ -283,17 +355,6 @@ static unsigned int sport_tx_empty(struct uart_port *port)
 		return 0;
 }
 
-static unsigned int sport_get_mctrl(struct uart_port *port)
-{
-	pr_debug("%s enter\n", __func__);
-	return (TIOCM_CTS | TIOCM_CD | TIOCM_DSR);
-}
-
-static void sport_set_mctrl(struct uart_port *port, unsigned int mctrl)
-{
-	pr_debug("%s enter\n", __func__);
-}
-
 static void sport_stop_tx(struct uart_port *port)
 {
 	struct sport_uart_port *up = (struct sport_uart_port *)port;
@@ -364,6 +425,10 @@ static void sport_shutdown(struct uart_port *port)
 	free_irq(up->port.irq, up);
 	free_irq(up->port.irq+1, up);
 	free_irq(up->err_irq, up);
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CTSRTS
+	if (up->cts_pin >= 0)
+		free_irq(gpio_to_irq(up->cts_pin), up);
+#endif
 }
 
 static const char *sport_type(struct uart_port *port)
@@ -536,7 +601,11 @@ sport_uart_console_setup(struct console *co, char *options)
 	int baud = 57600;
 	int bits = 8;
 	int parity = 'n';
+# ifdef CONFIG_SERIAL_BFIN_SPORT_CTSRTS
+	int flow = 'r';
+# else
 	int flow = 'n';
+# endif
 
 	/* Check whether an invalid uart number has been specified */
 	if (co->index < 0 || co->index >= BFIN_SPORT_UART_MAX_PORTS)
@@ -729,6 +798,22 @@ static int __devinit sport_uart_probe(struct platform_device *pdev)
 			ret = -ENOENT;
 			goto out_error_unmap;
 		}
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CTSRTS
+		res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+		if (res == NULL)
+			sport->cts_pin = -1;
+		else
+			sport->cts_pin = res->start;
+
+		res = platform_get_resource(pdev, IORESOURCE_IO, 1);
+		if (res == NULL)
+			sport->rts_pin = -1;
+		else
+			sport->rts_pin = res->start;
+
+		if (sport->rts_pin >= 0)
+			gpio_request(sport->rts_pin, DRV_NAME);
+#endif
 	}
 
 #ifdef CONFIG_SERIAL_BFIN_SPORT_CONSOLE
@@ -767,6 +852,10 @@ static int __devexit sport_uart_remove(struct platform_device *pdev)
 
 	if (sport) {
 		uart_remove_one_port(&sport_uart_reg, &sport->port);
+#ifdef CONFIG_SERIAL_BFIN_CTSRTS
+		if (sport->rts_pin >= 0)
+			gpio_free(sport->rts_pin);
+#endif
 		iounmap(sport->port.membase);
 		peripheral_free_list(
 			(unsigned short *)pdev->dev.platform_data);
diff --git a/drivers/serial/bfin_sport_uart.h b/drivers/serial/bfin_sport_uart.h
index 9791fcc80a7..9ce253e381d 100644
--- a/drivers/serial/bfin_sport_uart.h
+++ b/drivers/serial/bfin_sport_uart.h
@@ -72,4 +72,15 @@
 
 #define SPORT_TX_FIFO_SIZE	8
 
+#define SPORT_UART_GET_CTS(x)		gpio_get_value(x->cts_pin)
+#define SPORT_UART_DISABLE_RTS(x)	gpio_set_value(x->rts_pin, 1)
+#define SPORT_UART_ENABLE_RTS(x)	gpio_set_value(x->rts_pin, 0)
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT0_UART_CTSRTS) \
+	|| defined(CONFIG_SERIAL_BFIN_SPORT1_UART_CTSRTS) \
+	|| defined(CONFIG_SERIAL_BFIN_SPORT2_UART_CTSRTS) \
+	|| defined(CONFIG_SERIAL_BFIN_SPORT3_UART_CTSRTS)
+# define CONFIG_SERIAL_BFIN_SPORT_CTSRTS
+#endif
+
 #endif /* _BFIN_SPORT_UART_H */

From 9498dc95ca6fa6e5b044f39696ab317996fd2fe5 Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:34 -0500
Subject: [PATCH 2498/3638] serial: bfin_sport_uart: protect changes to
 uart_port

Common serial API says we need to grab the port lock before modifying
the port state to prevent inconsistent state between threads.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 8cb0a40c2ba..5224db2d279 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -498,6 +498,8 @@ static void sport_set_termios(struct uart_port *port,
 		/* up->parib = 1; */
 	}
 
+	spin_lock_irqsave(&up->port.lock, flags);
+
 	port->read_status_mask = OE;
 	if (termios->c_iflag & INPCK)
 		port->read_status_mask |= (FE | PE);
@@ -538,8 +540,6 @@ static void sport_set_termios(struct uart_port *port,
 	/* uart baud rate */
 	port->uartclk = uart_get_baud_rate(port, termios, old, 0, get_sclk()/16);
 
-	spin_lock_irqsave(&up->port.lock, flags);
-
 	/* Disable UART */
 	SPORT_PUT_TCR1(up, SPORT_GET_TCR1(up) & ~TSPEN);
 	SPORT_PUT_RCR1(up, SPORT_GET_RCR1(up) & ~RSPEN);

From f4d10ca895841ec0090bed81e614b6c731ac7d7d Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:35 -0500
Subject: [PATCH 2499/3638] serial: bfin_sport_uart: zero sport_uart_port if
 allocated dynamically

Need to initialize the SPORT state rather than using random memory.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 5224db2d279..6ee73da6976 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -746,11 +746,11 @@ static int __devinit sport_uart_probe(struct platform_device *pdev)
 
 	if (bfin_sport_uart_ports[pdev->id] == NULL) {
 		bfin_sport_uart_ports[pdev->id] =
-			kmalloc(sizeof(struct sport_uart_port), GFP_KERNEL);
+			kzalloc(sizeof(struct sport_uart_port), GFP_KERNEL);
 		sport = bfin_sport_uart_ports[pdev->id];
 		if (!sport) {
 			dev_err(&pdev->dev,
-				"Fail to kmalloc sport_uart_port\n");
+				"Fail to malloc sport_uart_port\n");
 			return -ENOMEM;
 		}
 

From 60bd940f142741092b95a2e572f81741dc867545 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 9 Mar 2010 12:25:36 -0500
Subject: [PATCH 2500/3638] serial: bfin_sport_uart: drop useless status masks

These were all copied over from the Blackfin UART driver, but they don't
make sense here because these bits are all specific to the Blackfin UART.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 6ee73da6976..b9938acb030 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -500,27 +500,12 @@ static void sport_set_termios(struct uart_port *port,
 
 	spin_lock_irqsave(&up->port.lock, flags);
 
-	port->read_status_mask = OE;
-	if (termios->c_iflag & INPCK)
-		port->read_status_mask |= (FE | PE);
-	if (termios->c_iflag & (BRKINT | PARMRK))
-		port->read_status_mask |= BI;
+	port->read_status_mask = 0;
 
 	/*
 	 * Characters to ignore
 	 */
 	port->ignore_status_mask = 0;
-	if (termios->c_iflag & IGNPAR)
-		port->ignore_status_mask |= FE | PE;
-	if (termios->c_iflag & IGNBRK) {
-		port->ignore_status_mask |= BI;
-		/*
-		 * If we're ignoring parity and break indicators,
-		 * ignore overruns too (for real raw support).
-		 */
-		if (termios->c_iflag & IGNPAR)
-			port->ignore_status_mask |= OE;
-	}
 
 	/* RX extract mask */
 	up->rxmask = 0x01 | (((up->csize + up->stopb) * 2 - 1) << 0x8);

From 9356c46170e0551f72467c9b0fb9a856a36aa2de Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 12:25:37 -0500
Subject: [PATCH 2501/3638] serial: bfin_sport_uart: only enable SPORT TX if
 data is to be sent

Rather than always turn on the SPORT TX interrupt, only do it when we've
actually queued up data for transmission.  This avoids useless interrupt
processing.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 30 +++++++++++++++++++++---------
 1 file changed, 21 insertions(+), 9 deletions(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index b9938acb030..0b459cf1b2e 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -54,7 +54,7 @@ struct sport_uart_port {
 #endif
 };
 
-static void sport_uart_tx_chars(struct sport_uart_port *up);
+static int sport_uart_tx_chars(struct sport_uart_port *up);
 static void sport_stop_tx(struct uart_port *port);
 
 static inline void tx_one_byte(struct sport_uart_port *up, unsigned int value)
@@ -307,18 +307,24 @@ static int sport_startup(struct uart_port *port)
 	return ret;
 }
 
-static void sport_uart_tx_chars(struct sport_uart_port *up)
+/*
+ * sport_uart_tx_chars
+ *
+ * ret 1 means need to enable sport.
+ * ret 0 means do nothing.
+ */
+static int sport_uart_tx_chars(struct sport_uart_port *up)
 {
 	struct circ_buf *xmit = &up->port.state->xmit;
 
 	if (SPORT_GET_STAT(up) & TXF)
-		return;
+		return 0;
 
 	if (up->port.x_char) {
 		tx_one_byte(up, up->port.x_char);
 		up->port.icount.tx++;
 		up->port.x_char = 0;
-		return;
+		return 1;
 	}
 
 	if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
@@ -329,7 +335,7 @@ static void sport_uart_tx_chars(struct sport_uart_port *up)
 		 */
 		if (SPORT_GET_STAT(up) & TXHRE)
 			sport_stop_tx(&up->port);
-		return;
+		return 0;
 	}
 
 	while(!(SPORT_GET_STAT(up) & TXF) && !uart_circ_empty(xmit)) {
@@ -340,6 +346,8 @@ static void sport_uart_tx_chars(struct sport_uart_port *up)
 
 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
 		uart_write_wakeup(&up->port);
+
+	return 1;
 }
 
 static unsigned int sport_tx_empty(struct uart_port *port)
@@ -361,6 +369,9 @@ static void sport_stop_tx(struct uart_port *port)
 
 	pr_debug("%s enter\n", __func__);
 
+	if (!(SPORT_GET_TCR1(up) & TSPEN))
+		return;
+
 	/* Although the hold register is empty, last byte is still in shift
 	 * register and not sent out yet. So, put a dummy data into TX FIFO.
 	 * Then, sport tx stops when last byte is shift out and the dummy
@@ -383,11 +394,12 @@ static void sport_start_tx(struct uart_port *port)
 	pr_debug("%s enter\n", __func__);
 
 	/* Write data into SPORT FIFO before enable SPROT to transmit */
-	sport_uart_tx_chars(up);
+	if (sport_uart_tx_chars(up)) {
+		/* Enable transmit, then an interrupt will generated */
+		SPORT_PUT_TCR1(up, (SPORT_GET_TCR1(up) | TSPEN));
+		SSYNC();
+	}
 
-	/* Enable transmit, then an interrupt will generated */
-	SPORT_PUT_TCR1(up, (SPORT_GET_TCR1(up) | TSPEN));
-	SSYNC();
 	pr_debug("%s exit\n", __func__);
 }
 

From 2ce1efc9e3af2d735e7dfca31553676229c8bfcf Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 9 Mar 2010 12:25:38 -0500
Subject: [PATCH 2502/3638] serial: bfin_sport_uart: pull in bfin_sport.h for
 SPORT defines

Now that the SPORT MMR defines have been unified, switch over to it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 0b459cf1b2e..66cda2290de 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -34,6 +34,7 @@
 #include <linux/tty_flip.h>
 #include <linux/serial_core.h>
 
+#include <asm/bfin_sport.h>
 #include <asm/delay.h>
 #include <asm/portmux.h>
 

From d671250b983a2ca79daa37ba8915c0602cc2aee8 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 9 Mar 2010 12:25:39 -0500
Subject: [PATCH 2503/3638] serial: bfin_sport_uart: drop the experimental
 markings

Should be stable now ...

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 63258305c05..f41cfceea46 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1423,8 +1423,8 @@ config SERIAL_SC26XX_CONSOLE
 	  Support for Console on SC2681/SC2692 serial ports.
 
 config SERIAL_BFIN_SPORT
-	tristate "Blackfin SPORT emulate UART (EXPERIMENTAL)"
-	depends on BLACKFIN && EXPERIMENTAL
+	tristate "Blackfin SPORT emulate UART"
+	depends on BLACKFIN
 	select SERIAL_CORE
 	help
 	  Enable SPORT emulate UART on Blackfin series.

From be991593f8e9994697a53d6a53112bfb951a8892 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 9 Mar 2010 12:25:40 -0500
Subject: [PATCH 2504/3638] serial: bfin_sport_uart: drop redundant cpu depends

The BF54xM procs imply the related BF54x define, so no need to check both.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index f41cfceea46..577d2762a4f 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1439,7 +1439,7 @@ config SERIAL_BFIN_SPORT_CONSOLE
 
 config SERIAL_BFIN_SPORT0_UART
 	bool "Enable UART over SPORT0"
-	depends on SERIAL_BFIN_SPORT && !(BF542 || BF542M || BF544 || BF544M)
+	depends on SERIAL_BFIN_SPORT && !(BF542 || BF544)
 	help
 	  Enable UART over SPORT0
 

From 1ff454ef9b1e852e8f4d295a68a715b1dddf233c Mon Sep 17 00:00:00 2001
From: Pavan Savoy <pavan_savoy@ti.com>
Date: Thu, 8 Apr 2010 13:16:52 -0500
Subject: [PATCH 2505/3638] serial: TTY: new ldiscs for staging

Push the max ldiscs by a few number to allow ldiscs
to exist in the staging directory and elsewhere.

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/tty.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/tty.h b/include/linux/tty.h
index bb44fa9ae13..7e605e4b3da 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -23,7 +23,7 @@
  */
 #define NR_UNIX98_PTY_DEFAULT	4096      /* Default maximum for Unix98 ptys */
 #define NR_UNIX98_PTY_MAX	(1 << MINORBITS) /* Absolute limit */
-#define NR_LDISCS		21
+#define NR_LDISCS		30
 
 /* line disciplines */
 #define N_TTY		0

From e1eaea46bb4020b38a141b84f88565d4603f8dd0 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Fri, 26 Mar 2010 11:32:54 +0000
Subject: [PATCH 2506/3638] tty: n_gsm line discipline

Add an implementation of GSM 0710 MUX. The implementation currently supports

- Basic and advanced framing (as either end of the link)
- UI or UIH data frames
- Adaption layer 1-4 (1 and 2 via tty, 3 and 4 as skbuff lists)
- Modem and control messages including the correct retry process
- Flow control

and exposes the MUX channels as a set of virtual tty devices including modem
signals. This is an experimental driver.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/char/Kconfig   |    9 +-
 drivers/char/Makefile  |    1 +
 drivers/char/n_gsm.c   | 2763 ++++++++++++++++++++++++++++++++++++++++
 include/linux/gsmmux.h |   25 +
 include/linux/tty.h    |    1 +
 5 files changed, 2798 insertions(+), 1 deletion(-)
 create mode 100644 drivers/char/n_gsm.c
 create mode 100644 include/linux/gsmmux.h

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 3141dd3b6e5..51a57009aec 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -276,11 +276,18 @@ config N_HDLC
 	  Allows synchronous HDLC communications with tty device drivers that
 	  support synchronous HDLC such as the Microgate SyncLink adapter.
 
-	  This driver can only be built as a module ( = code which can be
+	  This driver can be built as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want).
 	  The module will be called n_hdlc. If you want to do that, say M
 	  here.
 
+config N_GSM
+	tristate "GSM MUX line discipline support (EXPERIMENTAL)"
+	depends on EXPERIMENTAL
+	help
+	  This line discipline provides support for the GSM MUX protocol and
+	  presents the mux as a set of 61 individual tty devices.
+
 config RISCOM8
 	tristate "SDL RISCom/8 card support"
 	depends on SERIAL_NONSTANDARD
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index f957edf7e45..d39be4cf1f5 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_SYNCLINK)		+= synclink.o
 obj-$(CONFIG_SYNCLINKMP)	+= synclinkmp.o
 obj-$(CONFIG_SYNCLINK_GT)	+= synclink_gt.o
 obj-$(CONFIG_N_HDLC)		+= n_hdlc.o
+obj-$(CONFIG_N_GSM)		+= n_gsm.o
 obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o
 obj-$(CONFIG_SX)		+= sx.o generic_serial.o
 obj-$(CONFIG_RIO)		+= rio/ generic_serial.o
diff --git a/drivers/char/n_gsm.c b/drivers/char/n_gsm.c
new file mode 100644
index 00000000000..c4161d5e053
--- /dev/null
+++ b/drivers/char/n_gsm.c
@@ -0,0 +1,2763 @@
+/*
+ * n_gsm.c GSM 0710 tty multiplexor
+ * Copyright (c) 2009/10 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *	* THIS IS A DEVELOPMENT SNAPSHOT IT IS NOT A FINAL RELEASE *
+ *
+ * TO DO:
+ *	Mostly done:	ioctls for setting modes/timing
+ *	Partly done: 	hooks so you can pull off frames to non tty devs
+ *	Restart DLCI 0 when it closes ?
+ *	Test basic encoding
+ *	Improve the tx engine
+ *	Resolve tx side locking by adding a queue_head and routing
+ *		all control traffic via it
+ *	General tidy/document
+ *	Review the locking/move to refcounts more (mux now moved to an
+ *		alloc/free model ready)
+ *	Use newest tty open/close port helpers and install hooks
+ *	What to do about power functions ?
+ *	Termios setting and negotiation
+ *	Do we need a 'which mux are you' ioctl to correlate mux and tty sets
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/major.h>
+#include <linux/errno.h>
+#include <linux/signal.h>
+#include <linux/fcntl.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/tty.h>
+#include <linux/timer.h>
+#include <linux/ctype.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <linux/bitops.h>
+#include <linux/file.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/tty_flip.h>
+#include <linux/tty_driver.h>
+#include <linux/serial.h>
+#include <linux/kfifo.h>
+#include <linux/skbuff.h>
+#include <linux/gsmmux.h>
+
+static int debug;
+module_param(debug, int, 0600);
+
+#define T1	(HZ/10)
+#define T2	(HZ/3)
+#define N2	3
+
+/* Use long timers for testing at low speed with debug on */
+#ifdef DEBUG_TIMING
+#define T1	HZ
+#define T2	(2 * HZ)
+#endif
+
+/* Semi-arbitary buffer size limits. 0710 is normally run with 32-64 byte
+   limits so this is plenty */
+#define MAX_MRU 512
+#define MAX_MTU 512
+
+/*
+ *	Each block of data we have queued to go out is in the form of
+ *	a gsm_msg which holds everything we need in a link layer independant
+ *	format
+ */
+
+struct gsm_msg {
+	struct gsm_msg *next;
+	u8 addr;		/* DLCI address + flags */
+	u8 ctrl;		/* Control byte + flags */
+	unsigned int len;	/* Length of data block (can be zero) */
+	unsigned char *data;	/* Points into buffer but not at the start */
+	unsigned char buffer[0];
+};
+
+/*
+ *	Each active data link has a gsm_dlci structure associated which ties
+ *	the link layer to an optional tty (if the tty side is open). To avoid
+ *	complexity right now these are only ever freed up when the mux is
+ *	shut down.
+ *
+ *	At the moment we don't free DLCI objects until the mux is torn down
+ *	this avoid object life time issues but might be worth review later.
+ */
+
+struct gsm_dlci {
+	struct gsm_mux *gsm;
+	int addr;
+	int state;
+#define DLCI_CLOSED		0
+#define DLCI_OPENING		1	/* Sending SABM not seen UA */
+#define DLCI_OPEN		2	/* SABM/UA complete */
+#define DLCI_CLOSING		3	/* Sending DISC not seen UA/DM */
+
+	/* Link layer */
+	spinlock_t lock;	/* Protects the internal state */
+	struct timer_list t1;	/* Retransmit timer for SABM and UA */
+	int retries;
+	/* Uplink tty if active */
+	struct tty_port port;	/* The tty bound to this DLCI if there is one */
+	struct kfifo *fifo;	/* Queue fifo for the DLCI */
+	struct kfifo _fifo;	/* For new fifo API porting only */
+	int adaption;		/* Adaption layer in use */
+	u32 modem_rx;		/* Our incoming virtual modem lines */
+	u32 modem_tx;		/* Our outgoing modem lines */
+	int dead;		/* Refuse re-open */
+	/* Flow control */
+	int throttled;		/* Private copy of throttle state */
+	int constipated;	/* Throttle status for outgoing */
+	/* Packetised I/O */
+	struct sk_buff *skb;	/* Frame being sent */
+	struct sk_buff_head skb_list;	/* Queued frames */
+	/* Data handling callback */
+	void (*data)(struct gsm_dlci *dlci, u8 *data, int len);
+};
+
+/* DLCI 0, 62/63 are special or reseved see gsmtty_open */
+
+#define NUM_DLCI		64
+
+/*
+ *	DLCI 0 is used to pass control blocks out of band of the data
+ *	flow (and with a higher link priority). One command can be outstanding
+ *	at a time and we use this structure to manage them. They are created
+ *	and destroyed by the user context, and updated by the receive paths
+ *	and timers
+ */
+
+struct gsm_control {
+	u8 cmd;		/* Command we are issuing */
+	u8 *data;	/* Data for the command in case we retransmit */
+	int len;	/* Length of block for retransmission */
+	int done;	/* Done flag */
+	int error;	/* Error if any */
+};
+
+/*
+ *	Each GSM mux we have is represented by this structure. If we are
+ *	operating as an ldisc then we use this structure as our ldisc
+ *	state. We need to sort out lifetimes and locking with respect
+ *	to the gsm mux array. For now we don't free DLCI objects that
+ *	have been instantiated until the mux itself is terminated.
+ *
+ *	To consider further: tty open versus mux shutdown.
+ */
+
+struct gsm_mux {
+	struct tty_struct *tty;		/* The tty our ldisc is bound to */
+	spinlock_t lock;
+
+	/* Events on the GSM channel */
+	wait_queue_head_t event;
+
+	/* Bits for GSM mode decoding */
+
+	/* Framing Layer */
+	unsigned char *buf;
+	int state;
+#define GSM_SEARCH		0
+#define GSM_START		1
+#define GSM_ADDRESS		2
+#define GSM_CONTROL		3
+#define GSM_LEN			4
+#define GSM_DATA		5
+#define GSM_FCS			6
+#define GSM_OVERRUN		7
+	unsigned int len;
+	unsigned int address;
+	unsigned int count;
+	int escape;
+	int encoding;
+	u8 control;
+	u8 fcs;
+	u8 *txframe;			/* TX framing buffer */
+
+	/* Methods for the receiver side */
+	void (*receive)(struct gsm_mux *gsm, u8 ch);
+	void (*error)(struct gsm_mux *gsm, u8 ch, u8 flag);
+	/* And transmit side */
+	int (*output)(struct gsm_mux *mux, u8 *data, int len);
+
+	/* Link Layer */
+	unsigned int mru;
+	unsigned int mtu;
+	int initiator;			/* Did we initiate connection */
+	int dead;			/* Has the mux been shut down */
+	struct gsm_dlci *dlci[NUM_DLCI];
+	int constipated;		/* Asked by remote to shut up */
+
+	spinlock_t tx_lock;
+	unsigned int tx_bytes;		/* TX data outstanding */
+#define TX_THRESH_HI		8192
+#define TX_THRESH_LO		2048
+	struct gsm_msg *tx_head;	/* Pending data packets */
+	struct gsm_msg *tx_tail;
+
+	/* Control messages */
+	struct timer_list t2_timer;	/* Retransmit timer for commands */
+	int cretries;			/* Command retry counter */
+	struct gsm_control *pending_cmd;/* Our current pending command */
+	spinlock_t control_lock;	/* Protects the pending command */
+
+	/* Configuration */
+	int adaption;		/* 1 or 2 supported */
+	u8 ftype;		/* UI or UIH */
+	int t1, t2;		/* Timers in 1/100th of a sec */
+	int n2;			/* Retry count */
+
+	/* Statistics (not currently exposed) */
+	unsigned long bad_fcs;
+	unsigned long malformed;
+	unsigned long io_error;
+	unsigned long bad_size;
+	unsigned long unsupported;
+};
+
+
+/*
+ *	Mux objects - needed so that we can translate a tty index into the
+ *	relevant mux and DLCI.
+ */
+
+#define MAX_MUX		4			/* 256 minors */
+static struct gsm_mux *gsm_mux[MAX_MUX];	/* GSM muxes */
+static spinlock_t gsm_mux_lock;
+
+/*
+ *	This section of the driver logic implements the GSM encodings
+ *	both the basic and the 'advanced'. Reliable transport is not
+ *	supported.
+ */
+
+#define CR			0x02
+#define EA			0x01
+#define	PF			0x10
+
+/* I is special: the rest are ..*/
+#define RR			0x01
+#define UI			0x03
+#define RNR			0x05
+#define REJ			0x09
+#define DM			0x0F
+#define SABM			0x2F
+#define DISC			0x43
+#define UA			0x63
+#define	UIH			0xEF
+
+/* Channel commands */
+#define CMD_NSC			0x09
+#define CMD_TEST		0x11
+#define CMD_PSC			0x21
+#define CMD_RLS			0x29
+#define CMD_FCOFF		0x31
+#define CMD_PN			0x41
+#define CMD_RPN			0x49
+#define CMD_FCON		0x51
+#define CMD_CLD			0x61
+#define CMD_SNC			0x69
+#define CMD_MSC			0x71
+
+/* Virtual modem bits */
+#define MDM_FC			0x01
+#define MDM_RTC			0x02
+#define MDM_RTR			0x04
+#define MDM_IC			0x20
+#define MDM_DV			0x40
+
+#define GSM0_SOF		0xF9
+#define GSM1_SOF 		0x7E
+#define GSM1_ESCAPE		0x7D
+#define GSM1_ESCAPE_BITS	0x20
+#define XON			0x11
+#define XOFF			0x13
+
+static const struct tty_port_operations gsm_port_ops;
+
+/*
+ *	CRC table for GSM 0710
+ */
+
+static const u8 gsm_fcs8[256] = {
+	0x00, 0x91, 0xE3, 0x72, 0x07, 0x96, 0xE4, 0x75,
+	0x0E, 0x9F, 0xED, 0x7C, 0x09, 0x98, 0xEA, 0x7B,
+	0x1C, 0x8D, 0xFF, 0x6E, 0x1B, 0x8A, 0xF8, 0x69,
+	0x12, 0x83, 0xF1, 0x60, 0x15, 0x84, 0xF6, 0x67,
+	0x38, 0xA9, 0xDB, 0x4A, 0x3F, 0xAE, 0xDC, 0x4D,
+	0x36, 0xA7, 0xD5, 0x44, 0x31, 0xA0, 0xD2, 0x43,
+	0x24, 0xB5, 0xC7, 0x56, 0x23, 0xB2, 0xC0, 0x51,
+	0x2A, 0xBB, 0xC9, 0x58, 0x2D, 0xBC, 0xCE, 0x5F,
+	0x70, 0xE1, 0x93, 0x02, 0x77, 0xE6, 0x94, 0x05,
+	0x7E, 0xEF, 0x9D, 0x0C, 0x79, 0xE8, 0x9A, 0x0B,
+	0x6C, 0xFD, 0x8F, 0x1E, 0x6B, 0xFA, 0x88, 0x19,
+	0x62, 0xF3, 0x81, 0x10, 0x65, 0xF4, 0x86, 0x17,
+	0x48, 0xD9, 0xAB, 0x3A, 0x4F, 0xDE, 0xAC, 0x3D,
+	0x46, 0xD7, 0xA5, 0x34, 0x41, 0xD0, 0xA2, 0x33,
+	0x54, 0xC5, 0xB7, 0x26, 0x53, 0xC2, 0xB0, 0x21,
+	0x5A, 0xCB, 0xB9, 0x28, 0x5D, 0xCC, 0xBE, 0x2F,
+	0xE0, 0x71, 0x03, 0x92, 0xE7, 0x76, 0x04, 0x95,
+	0xEE, 0x7F, 0x0D, 0x9C, 0xE9, 0x78, 0x0A, 0x9B,
+	0xFC, 0x6D, 0x1F, 0x8E, 0xFB, 0x6A, 0x18, 0x89,
+	0xF2, 0x63, 0x11, 0x80, 0xF5, 0x64, 0x16, 0x87,
+	0xD8, 0x49, 0x3B, 0xAA, 0xDF, 0x4E, 0x3C, 0xAD,
+	0xD6, 0x47, 0x35, 0xA4, 0xD1, 0x40, 0x32, 0xA3,
+	0xC4, 0x55, 0x27, 0xB6, 0xC3, 0x52, 0x20, 0xB1,
+	0xCA, 0x5B, 0x29, 0xB8, 0xCD, 0x5C, 0x2E, 0xBF,
+	0x90, 0x01, 0x73, 0xE2, 0x97, 0x06, 0x74, 0xE5,
+	0x9E, 0x0F, 0x7D, 0xEC, 0x99, 0x08, 0x7A, 0xEB,
+	0x8C, 0x1D, 0x6F, 0xFE, 0x8B, 0x1A, 0x68, 0xF9,
+	0x82, 0x13, 0x61, 0xF0, 0x85, 0x14, 0x66, 0xF7,
+	0xA8, 0x39, 0x4B, 0xDA, 0xAF, 0x3E, 0x4C, 0xDD,
+	0xA6, 0x37, 0x45, 0xD4, 0xA1, 0x30, 0x42, 0xD3,
+	0xB4, 0x25, 0x57, 0xC6, 0xB3, 0x22, 0x50, 0xC1,
+	0xBA, 0x2B, 0x59, 0xC8, 0xBD, 0x2C, 0x5E, 0xCF
+};
+
+#define INIT_FCS	0xFF
+#define GOOD_FCS	0xCF
+
+/**
+ *	gsm_fcs_add	-	update FCS
+ *	@fcs: Current FCS
+ *	@c: Next data
+ *
+ *	Update the FCS to include c. Uses the algorithm in the specification
+ *	notes.
+ */
+
+static inline u8 gsm_fcs_add(u8 fcs, u8 c)
+{
+	return gsm_fcs8[fcs ^ c];
+}
+
+/**
+ *	gsm_fcs_add_block	-	update FCS for a block
+ *	@fcs: Current FCS
+ *	@c: buffer of data
+ *	@len: length of buffer
+ *
+ *	Update the FCS to include c. Uses the algorithm in the specification
+ *	notes.
+ */
+
+static inline u8 gsm_fcs_add_block(u8 fcs, u8 *c, int len)
+{
+	while (len--)
+		fcs = gsm_fcs8[fcs ^ *c++];
+	return fcs;
+}
+
+/**
+ *	gsm_read_ea		-	read a byte into an EA
+ *	@val: variable holding value
+ *	c: byte going into the EA
+ *
+ *	Processes one byte of an EA. Updates the passed variable
+ *	and returns 1 if the EA is now completely read
+ */
+
+static int gsm_read_ea(unsigned int *val, u8 c)
+{
+	/* Add the next 7 bits into the value */
+	*val <<= 7;
+	*val |= c >> 1;
+	/* Was this the last byte of the EA 1 = yes*/
+	return c & EA;
+}
+
+/**
+ *	gsm_encode_modem	-	encode modem data bits
+ *	@dlci: DLCI to encode from
+ *
+ *	Returns the correct GSM encoded modem status bits (6 bit field) for
+ *	the current status of the DLCI and attached tty object
+ */
+
+static u8 gsm_encode_modem(const struct gsm_dlci *dlci)
+{
+	u8 modembits = 0;
+	/* FC is true flow control not modem bits */
+	if (dlci->throttled)
+		modembits |= MDM_FC;
+	if (dlci->modem_tx & TIOCM_DTR)
+		modembits |= MDM_RTC;
+	if (dlci->modem_tx & TIOCM_RTS)
+		modembits |= MDM_RTR;
+	if (dlci->modem_tx & TIOCM_RI)
+		modembits |= MDM_IC;
+	if (dlci->modem_tx & TIOCM_CD)
+		modembits |= MDM_DV;
+	return modembits;
+}
+
+/**
+ *	gsm_print_packet	-	display a frame for debug
+ *	@hdr: header to print before decode
+ *	@addr: address EA from the frame
+ *	@cr: C/R bit from the frame
+ *	@control: control including PF bit
+ *	@data: following data bytes
+ *	@dlen: length of data
+ *
+ *	Displays a packet in human readable format for debugging purposes. The
+ *	style is based on amateur radio LAP-B dump display.
+ */
+
+static void gsm_print_packet(const char *hdr, int addr, int cr,
+					u8 control, const u8 *data, int dlen)
+{
+	if (!(debug & 1))
+		return;
+
+	printk(KERN_INFO "%s %d) %c: ", hdr, addr, "RC"[cr]);
+
+	switch (control & ~PF) {
+	case SABM:
+		printk(KERN_CONT "SABM");
+		break;
+	case UA:
+		printk(KERN_CONT "UA");
+		break;
+	case DISC:
+		printk(KERN_CONT "DISC");
+		break;
+	case DM:
+		printk(KERN_CONT "DM");
+		break;
+	case UI:
+		printk(KERN_CONT "UI");
+		break;
+	case UIH:
+		printk(KERN_CONT "UIH");
+		break;
+	default:
+		if (!(control & 0x01)) {
+			printk(KERN_CONT "I N(S)%d N(R)%d",
+				(control & 0x0E) >> 1, (control & 0xE)>> 5);
+		} else switch (control & 0x0F) {
+		case RR:
+			printk("RR(%d)", (control & 0xE0) >> 5);
+			break;
+		case RNR:
+			printk("RNR(%d)", (control & 0xE0) >> 5);
+			break;
+		case REJ:
+			printk("REJ(%d)", (control & 0xE0) >> 5);
+			break;
+		default:
+			printk(KERN_CONT "[%02X]", control);
+		}
+	}
+
+	if (control & PF)
+		printk(KERN_CONT "(P)");
+	else
+		printk(KERN_CONT "(F)");
+
+	if (dlen) {
+		int ct = 0;
+		while (dlen--) {
+			if (ct % 8 == 0)
+				printk(KERN_CONT "\n    ");
+			printk(KERN_CONT "%02X ", *data++);
+			ct++;
+		}
+	}
+	printk(KERN_CONT "\n");
+}
+
+
+/*
+ *	Link level transmission side
+ */
+
+/**
+ *	gsm_stuff_packet	-	bytestuff a packet
+ *	@ibuf: input
+ *	@obuf: output
+ *	@len: length of input
+ *
+ *	Expand a buffer by bytestuffing it. The worst case size change
+ *	is doubling and the caller is responsible for handing out
+ *	suitable sized buffers.
+ */
+
+static int gsm_stuff_frame(const u8 *input, u8 *output, int len)
+{
+	int olen = 0;
+	while (len--) {
+		if (*input == GSM1_SOF || *input == GSM1_ESCAPE
+		    || *input == XON || *input == XOFF) {
+			*output++ = GSM1_ESCAPE;
+			*output++ = *input++ ^ GSM1_ESCAPE_BITS;
+			olen++;
+		} else
+			*output++ = *input++;
+		olen++;
+	}
+	return olen;
+}
+
+static void hex_packet(const unsigned char *p, int len)
+{
+	int i;
+	for (i = 0; i < len; i++) {
+		if (i && (i % 16) == 0)
+			printk("\n");
+		printk("%02X ", *p++);
+	}
+	printk("\n");
+}
+
+/**
+ *	gsm_send	-	send a control frame
+ *	@gsm: our GSM mux
+ *	@addr: address for control frame
+ *	@cr: command/response bit
+ *	@control:  control byte including PF bit
+ *
+ *	Format up and transmit a control frame. These do not go via the
+ *	queueing logic as they should be transmitted ahead of data when
+ *	they are needed.
+ *
+ *	FIXME: Lock versus data TX path
+ */
+
+static void gsm_send(struct gsm_mux *gsm, int addr, int cr, int control)
+{
+	int len;
+	u8 cbuf[10];
+	u8 ibuf[3];
+
+	switch (gsm->encoding) {
+	case 0:
+		cbuf[0] = GSM0_SOF;
+		cbuf[1] = (addr << 2) | (cr << 1) | EA;
+		cbuf[2] = control;
+		cbuf[3] = EA;	/* Length of data = 0 */
+		cbuf[4] = 0xFF - gsm_fcs_add_block(INIT_FCS, cbuf + 1, 3);
+		cbuf[5] = GSM0_SOF;
+		len = 6;
+		break;
+	case 1:
+	case 2:
+		/* Control frame + packing (but not frame stuffing) in mode 1 */
+		ibuf[0] = (addr << 2) | (cr << 1) | EA;
+		ibuf[1] = control;
+		ibuf[2] = 0xFF - gsm_fcs_add_block(INIT_FCS, ibuf, 2);
+		/* Stuffing may double the size worst case */
+		len = gsm_stuff_frame(ibuf, cbuf + 1, 3);
+		/* Now add the SOF markers */
+		cbuf[0] = GSM1_SOF;
+		cbuf[len + 1] = GSM1_SOF;
+		/* FIXME: we can omit the lead one in many cases */
+		len += 2;
+		break;
+	default:
+		WARN_ON(1);
+		return;
+	}
+	gsm->output(gsm, cbuf, len);
+	gsm_print_packet("-->", addr, cr, control, NULL, 0);
+}
+
+/**
+ *	gsm_response	-	send a control response
+ *	@gsm: our GSM mux
+ *	@addr: address for control frame
+ *	@control:  control byte including PF bit
+ *
+ *	Format up and transmit a link level response frame.
+ */
+
+static inline void gsm_response(struct gsm_mux *gsm, int addr, int control)
+{
+	gsm_send(gsm, addr, 0, control);
+}
+
+/**
+ *	gsm_command	-	send a control command
+ *	@gsm: our GSM mux
+ *	@addr: address for control frame
+ *	@control:  control byte including PF bit
+ *
+ *	Format up and transmit a link level command frame.
+ */
+
+static inline void gsm_command(struct gsm_mux *gsm, int addr, int control)
+{
+	gsm_send(gsm, addr, 1, control);
+}
+
+/* Data transmission */
+
+#define HDR_LEN		6	/* ADDR CTRL [LEN.2] DATA FCS */
+
+/**
+ *	gsm_data_alloc		-	allocate data frame
+ *	@gsm: GSM mux
+ *	@addr: DLCI address
+ *	@len: length excluding header and FCS
+ *	@ctrl: control byte
+ *
+ *	Allocate a new data buffer for sending frames with data. Space is left
+ *	at the front for header bytes but that is treated as an implementation
+ *	detail and not for the high level code to use
+ */
+
+static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len,
+								u8 ctrl)
+{
+	struct gsm_msg *m = kmalloc(sizeof(struct gsm_msg) + len + HDR_LEN,
+								GFP_ATOMIC);
+	if (m == NULL)
+		return NULL;
+	m->data = m->buffer + HDR_LEN - 1;	/* Allow for FCS */
+	m->len = len;
+	m->addr = addr;
+	m->ctrl = ctrl;
+	m->next = NULL;
+	return m;
+}
+
+/**
+ *	gsm_data_kick		-	poke the queue
+ *	@gsm: GSM Mux
+ *
+ *	The tty device has called us to indicate that room has appeared in
+ *	the transmit queue. Ram more data into the pipe if we have any
+ *
+ *	FIXME: lock against link layer control transmissions
+ */
+
+static void gsm_data_kick(struct gsm_mux *gsm)
+{
+	struct gsm_msg *msg = gsm->tx_head;
+	int len;
+	int skip_sof = 0;
+
+	/* FIXME: We need to apply this solely to data messages */
+	if (gsm->constipated)
+		return;
+
+	while (gsm->tx_head != NULL) {
+		msg = gsm->tx_head;
+		if (gsm->encoding != 0) {
+			gsm->txframe[0] = GSM1_SOF;
+			len = gsm_stuff_frame(msg->data,
+						gsm->txframe + 1, msg->len);
+			gsm->txframe[len + 1] = GSM1_SOF;
+			len += 2;
+		} else {
+			gsm->txframe[0] = GSM0_SOF;
+			memcpy(gsm->txframe + 1 , msg->data, msg->len);
+			gsm->txframe[msg->len + 1] = GSM0_SOF;
+			len = msg->len + 2;
+		}
+
+		if (debug & 4) {
+			printk("gsm_data_kick: \n");
+			hex_packet(gsm->txframe, len);
+		}
+
+		if (gsm->output(gsm, gsm->txframe + skip_sof,
+						len - skip_sof) < 0)
+			break;
+		/* FIXME: Can eliminate one SOF in many more cases */
+		gsm->tx_head = msg->next;
+		if (gsm->tx_head == NULL)
+			gsm->tx_tail = NULL;
+		gsm->tx_bytes -= msg->len;
+		kfree(msg);
+		/* For a burst of frames skip the extra SOF within the
+		   burst */
+		skip_sof = 1;
+	}
+}
+
+/**
+ *	__gsm_data_queue		-	queue a UI or UIH frame
+ *	@dlci: DLCI sending the data
+ *	@msg: message queued
+ *
+ *	Add data to the transmit queue and try and get stuff moving
+ *	out of the mux tty if not already doing so. The Caller must hold
+ *	the gsm tx lock.
+ */
+
+static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg)
+{
+	struct gsm_mux *gsm = dlci->gsm;
+	u8 *dp = msg->data;
+	u8 *fcs = dp + msg->len;
+
+	/* Fill in the header */
+	if (gsm->encoding == 0) {
+		if (msg->len < 128)
+			*--dp = (msg->len << 1) | EA;
+		else {
+			*--dp = (msg->len >> 6) | EA;
+			*--dp = (msg->len & 127) << 1;
+		}
+	}
+
+	*--dp = msg->ctrl;
+	if (gsm->initiator)
+		*--dp = (msg->addr << 2) | 2 | EA;
+	else
+		*--dp = (msg->addr << 2) | EA;
+	*fcs = gsm_fcs_add_block(INIT_FCS, dp , msg->data - dp);
+	/* Ugly protocol layering violation */
+	if (msg->ctrl == UI || msg->ctrl == (UI|PF))
+		*fcs = gsm_fcs_add_block(*fcs, msg->data, msg->len);
+	*fcs = 0xFF - *fcs;
+
+	gsm_print_packet("Q> ", msg->addr, gsm->initiator, msg->ctrl,
+							msg->data, msg->len);
+
+	/* Move the header back and adjust the length, also allow for the FCS
+	   now tacked on the end */
+	msg->len += (msg->data - dp) + 1;
+	msg->data = dp;
+
+	/* Add to the actual output queue */
+	if (gsm->tx_tail)
+		gsm->tx_tail->next = msg;
+	else
+		gsm->tx_head = msg;
+	gsm->tx_tail = msg;
+	gsm->tx_bytes += msg->len;
+	gsm_data_kick(gsm);
+}
+
+/**
+ *	gsm_data_queue		-	queue a UI or UIH frame
+ *	@dlci: DLCI sending the data
+ *	@msg: message queued
+ *
+ *	Add data to the transmit queue and try and get stuff moving
+ *	out of the mux tty if not already doing so. Take the
+ *	the gsm tx lock and dlci lock.
+ */
+
+static void gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&dlci->gsm->tx_lock, flags);
+	__gsm_data_queue(dlci, msg);
+	spin_unlock_irqrestore(&dlci->gsm->tx_lock, flags);
+}
+
+/**
+ *	gsm_dlci_data_output	-	try and push data out of a DLCI
+ *	@gsm: mux
+ *	@dlci: the DLCI to pull data from
+ *
+ *	Pull data from a DLCI and send it into the transmit queue if there
+ *	is data. Keep to the MRU of the mux. This path handles the usual tty
+ *	interface which is a byte stream with optional modem data.
+ *
+ *	Caller must hold the tx_lock of the mux.
+ */
+
+static int gsm_dlci_data_output(struct gsm_mux *gsm, struct gsm_dlci *dlci)
+{
+	struct gsm_msg *msg;
+	u8 *dp;
+	int len, size;
+	int h = dlci->adaption - 1;
+
+	len = kfifo_len(dlci->fifo);
+	if (len == 0)
+		return 0;
+
+	/* MTU/MRU count only the data bits */
+	if (len > gsm->mtu)
+		len = gsm->mtu;
+
+	size = len + h;
+
+	msg = gsm_data_alloc(gsm, dlci->addr, size, gsm->ftype);
+	/* FIXME: need a timer or something to kick this so it can't
+	   get stuck with no work outstanding and no buffer free */
+	if (msg == NULL)
+		return -ENOMEM;
+	dp = msg->data;
+	switch (dlci->adaption) {
+	case 1:	/* Unstructured */
+		break;
+	case 2:	/* Unstructed with modem bits. Always one byte as we never
+		   send inline break data */
+		*dp += gsm_encode_modem(dlci);
+		len--;
+		break;
+	}
+	WARN_ON(kfifo_out_locked(dlci->fifo, dp , len, &dlci->lock) != len);
+	__gsm_data_queue(dlci, msg);
+	/* Bytes of data we used up */
+	return size;
+}
+
+/**
+ *	gsm_dlci_data_output_framed  -	try and push data out of a DLCI
+ *	@gsm: mux
+ *	@dlci: the DLCI to pull data from
+ *
+ *	Pull data from a DLCI and send it into the transmit queue if there
+ *	is data. Keep to the MRU of the mux. This path handles framed data
+ *	queued as skbuffs to the DLCI.
+ *
+ *	Caller must hold the tx_lock of the mux.
+ */
+
+static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
+						struct gsm_dlci *dlci)
+{
+	struct gsm_msg *msg;
+	u8 *dp;
+	int len, size;
+	int last = 0, first = 0;
+	int overhead = 0;
+
+	/* One byte per frame is used for B/F flags */
+	if (dlci->adaption == 4)
+		overhead = 1;
+
+	/* dlci->skb is locked by tx_lock */
+	if (dlci->skb == NULL) {
+		dlci->skb = skb_dequeue(&dlci->skb_list);
+		if (dlci->skb == NULL)
+			return 0;
+		first = 1;
+	}
+	len = dlci->skb->len + overhead;
+
+	/* MTU/MRU count only the data bits */
+	if (len > gsm->mtu) {
+		if (dlci->adaption == 3) {
+			/* Over long frame, bin it */
+			kfree_skb(dlci->skb);
+			dlci->skb = NULL;
+			return 0;
+		}
+		len = gsm->mtu;
+	} else
+		last = 1;
+
+	size = len + overhead;
+	msg = gsm_data_alloc(gsm, dlci->addr, size, gsm->ftype);
+
+	/* FIXME: need a timer or something to kick this so it can't
+	   get stuck with no work outstanding and no buffer free */
+	if (msg == NULL)
+		return -ENOMEM;
+	dp = msg->data;
+
+	if (dlci->adaption == 4) { /* Interruptible framed (Packetised Data) */
+		/* Flag byte to carry the start/end info */
+		*dp++ = last << 7 | first << 6 | 1;	/* EA */
+		len--;
+	}
+	memcpy(dp, skb_pull(dlci->skb, len), len);
+	__gsm_data_queue(dlci, msg);
+	if (last)
+		dlci->skb = NULL;
+	return size;
+}
+
+/**
+ *	gsm_dlci_data_sweep		-	look for data to send
+ *	@gsm: the GSM mux
+ *
+ *	Sweep the GSM mux channels in priority order looking for ones with
+ *	data to send. We could do with optimising this scan a bit. We aim
+ *	to fill the queue totally or up to TX_THRESH_HI bytes. Once we hit
+ *	TX_THRESH_LO we get called again
+ *
+ *	FIXME: We should round robin between groups and in theory you can
+ *	renegotiate DLCI priorities with optional stuff. Needs optimising.
+ */
+
+static void gsm_dlci_data_sweep(struct gsm_mux *gsm)
+{
+	int len;
+	/* Priority ordering: We should do priority with RR of the groups */
+	int i = 1;
+	unsigned long flags;
+
+	spin_lock_irqsave(&gsm->tx_lock, flags);
+	while (i < NUM_DLCI) {
+		struct gsm_dlci *dlci;
+
+		if (gsm->tx_bytes > TX_THRESH_HI)
+			break;
+		dlci = gsm->dlci[i];
+		if (dlci == NULL || dlci->constipated) {
+			i++;
+			continue;
+		}
+		if (dlci->adaption < 3)
+			len = gsm_dlci_data_output(gsm, dlci);
+		else
+			len = gsm_dlci_data_output_framed(gsm, dlci);
+		if (len < 0)
+			return;
+		/* DLCI empty - try the next */
+		if (len == 0)
+			i++;
+	}
+	spin_unlock_irqrestore(&gsm->tx_lock, flags);
+}
+
+/**
+ *	gsm_dlci_data_kick	-	transmit if possible
+ *	@dlci: DLCI to kick
+ *
+ *	Transmit data from this DLCI if the queue is empty. We can't rely on
+ *	a tty wakeup except when we filled the pipe so we need to fire off
+ *	new data ourselves in other cases.
+ */
+
+static void gsm_dlci_data_kick(struct gsm_dlci *dlci)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dlci->gsm->tx_lock, flags);
+	/* If we have nothing running then we need to fire up */
+	if (dlci->gsm->tx_bytes == 0)
+		gsm_dlci_data_output(dlci->gsm, dlci);
+	else if (dlci->gsm->tx_bytes < TX_THRESH_LO)
+		gsm_dlci_data_sweep(dlci->gsm);
+	spin_unlock_irqrestore(&dlci->gsm->tx_lock, flags);
+}
+
+/*
+ *	Control message processing
+ */
+
+
+/**
+ *	gsm_control_reply	-	send a response frame to a control
+ *	@gsm: gsm channel
+ *	@cmd: the command to use
+ *	@data: data to follow encoded info
+ *	@dlen: length of data
+ *
+ *	Encode up and queue a UI/UIH frame containing our response.
+ */
+
+static void gsm_control_reply(struct gsm_mux *gsm, int cmd, u8 *data,
+					int dlen)
+{
+	struct gsm_msg *msg;
+	msg = gsm_data_alloc(gsm, 0, dlen + 2, gsm->ftype);
+	msg->data[0] = (cmd & 0xFE) << 1 | EA;	/* Clear C/R */
+	msg->data[1] = (dlen << 1) | EA;
+	memcpy(msg->data + 2, data, dlen);
+	gsm_data_queue(gsm->dlci[0], msg);
+}
+
+/**
+ *	gsm_process_modem	-	process received modem status
+ *	@tty: virtual tty bound to the DLCI
+ *	@dlci: DLCI to affect
+ *	@modem: modem bits (full EA)
+ *
+ *	Used when a modem control message or line state inline in adaption
+ *	layer 2 is processed. Sort out the local modem state and throttles
+ */
+
+static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci,
+							u32 modem)
+{
+	int  mlines = 0;
+	u8 brk = modem >> 6;
+
+	/* Flow control/ready to communicate */
+	if (modem & MDM_FC) {
+		/* Need to throttle our output on this device */
+		dlci->constipated = 1;
+	}
+	if (modem & MDM_RTC) {
+		mlines |= TIOCM_DSR | TIOCM_DTR;
+		dlci->constipated = 0;
+		gsm_dlci_data_kick(dlci);
+	}
+	/* Map modem bits */
+	if (modem & MDM_RTR)
+		mlines |= TIOCM_RTS | TIOCM_CTS;
+	if (modem & MDM_IC)
+		mlines |= TIOCM_RI;
+	if (modem & MDM_DV)
+		mlines |= TIOCM_CD;
+
+	/* Carrier drop -> hangup */
+	if (tty) {
+		if ((mlines & TIOCM_CD) == 0 && (dlci->modem_rx & TIOCM_CD))
+			if (!(tty->termios->c_cflag & CLOCAL))
+				tty_hangup(tty);
+		if (brk & 0x01)
+			tty_insert_flip_char(tty, 0, TTY_BREAK);
+	}
+	dlci->modem_rx = mlines;
+}
+
+/**
+ *	gsm_control_modem	-	modem status received
+ *	@gsm: GSM channel
+ *	@data: data following command
+ *	@clen: command length
+ *
+ *	We have received a modem status control message. This is used by
+ *	the GSM mux protocol to pass virtual modem line status and optionally
+ *	to indicate break signals. Unpack it, convert to Linux representation
+ *	and if need be stuff a break message down the tty.
+ */
+
+static void gsm_control_modem(struct gsm_mux *gsm, u8 *data, int clen)
+{
+	unsigned int addr = 0;
+	unsigned int modem = 0;
+	struct gsm_dlci *dlci;
+	int len = clen;
+	u8 *dp = data;
+	struct tty_struct *tty;
+
+	while (gsm_read_ea(&addr, *dp++) == 0) {
+		len--;
+		if (len == 0)
+			return;
+	}
+	/* Must be at least one byte following the EA */
+	len--;
+	if (len <= 0)
+		return;
+
+	addr >>= 1;
+	/* Closed port, or invalid ? */
+	if (addr == 0 || addr >= NUM_DLCI || gsm->dlci[addr] == NULL)
+		return;
+	dlci = gsm->dlci[addr];
+
+	while (gsm_read_ea(&modem, *dp++) == 0) {
+		len--;
+		if (len == 0)
+			return;
+	}
+	tty = tty_port_tty_get(&dlci->port);
+	gsm_process_modem(tty, dlci, modem);
+	if (tty) {
+		tty_wakeup(tty);
+		tty_kref_put(tty);
+	}
+	gsm_control_reply(gsm, CMD_MSC, data, clen);
+}
+
+/**
+ *	gsm_control_rls		-	remote line status
+ *	@gsm: GSM channel
+ *	@data: data bytes
+ *	@clen: data length
+ *
+ *	The modem sends us a two byte message on the control channel whenever
+ *	it wishes to send us an error state from the virtual link. Stuff
+ *	this into the uplink tty if present
+ */
+
+static void gsm_control_rls(struct gsm_mux *gsm, u8 *data, int clen)
+{
+	struct tty_struct *tty;
+	unsigned int addr = 0 ;
+	u8 bits;
+	int len = clen;
+	u8 *dp = data;
+
+	while (gsm_read_ea(&addr, *dp++) == 0) {
+		len--;
+		if (len == 0)
+			return;
+	}
+	/* Must be at least one byte following ea */
+	len--;
+	if (len <= 0)
+		return;
+	addr >>= 1;
+	/* Closed port, or invalid ? */
+	if (addr == 0 || addr >= NUM_DLCI || gsm->dlci[addr] == NULL)
+		return;
+	/* No error ? */
+	bits = *dp;
+	if ((bits & 1) == 0)
+		return;
+	/* See if we have an uplink tty */
+	tty = tty_port_tty_get(&gsm->dlci[addr]->port);
+
+	if (tty) {
+		if (bits & 2)
+			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+		if (bits & 4)
+			tty_insert_flip_char(tty, 0, TTY_PARITY);
+		if (bits & 8)
+			tty_insert_flip_char(tty, 0, TTY_FRAME);
+		tty_flip_buffer_push(tty);
+		tty_kref_put(tty);
+	}
+	gsm_control_reply(gsm, CMD_RLS, data, clen);
+}
+
+static void gsm_dlci_begin_close(struct gsm_dlci *dlci);
+
+/**
+ *	gsm_control_message	-	DLCI 0 control processing
+ *	@gsm: our GSM mux
+ *	@command:  the command EA
+ *	@data: data beyond the command/length EAs
+ *	@clen: length
+ *
+ *	Input processor for control messages from the other end of the link.
+ *	Processes the incoming request and queues a response frame or an
+ *	NSC response if not supported
+ */
+
+static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
+							u8 *data, int clen)
+{
+	u8 buf[1];
+	switch (command) {
+	case CMD_CLD: {
+		struct gsm_dlci *dlci = gsm->dlci[0];
+		/* Modem wishes to close down */
+		if (dlci) {
+			dlci->dead = 1;
+			gsm->dead = 1;
+			gsm_dlci_begin_close(dlci);
+		}
+		}
+		break;
+	case CMD_TEST:
+		/* Modem wishes to test, reply with the data */
+		gsm_control_reply(gsm, CMD_TEST, data, clen);
+		break;
+	case CMD_FCON:
+		/* Modem wants us to STFU */
+		gsm->constipated = 1;
+		gsm_control_reply(gsm, CMD_FCON, NULL, 0);
+		break;
+	case CMD_FCOFF:
+		/* Modem can accept data again */
+		gsm->constipated = 0;
+		gsm_control_reply(gsm, CMD_FCOFF, NULL, 0);
+		/* Kick the link in case it is idling */
+		gsm_data_kick(gsm);
+		break;
+	case CMD_MSC:
+		/* Out of band modem line change indicator for a DLCI */
+		gsm_control_modem(gsm, data, clen);
+		break;
+	case CMD_RLS:
+		/* Out of band error reception for a DLCI */
+		gsm_control_rls(gsm, data, clen);
+		break;
+	case CMD_PSC:
+		/* Modem wishes to enter power saving state */
+		gsm_control_reply(gsm, CMD_PSC, NULL, 0);
+		break;
+		/* Optional unsupported commands */
+	case CMD_PN:	/* Parameter negotiation */
+	case CMD_RPN:	/* Remote port negotation */
+	case CMD_SNC:	/* Service negotation command */
+	default:
+		/* Reply to bad commands with an NSC */
+		buf[0] = command;
+		gsm_control_reply(gsm, CMD_NSC, buf, 1);
+		break;
+	}
+}
+
+/**
+ *	gsm_control_response	-	process a response to our control
+ *	@gsm: our GSM mux
+ *	@command: the command (response) EA
+ *	@data: data beyond the command/length EA
+ *	@clen: length
+ *
+ *	Process a response to an outstanding command. We only allow a single
+ *	control message in flight so this is fairly easy. All the clean up
+ *	is done by the caller, we just update the fields, flag it as done
+ *	and return
+ */
+
+static void gsm_control_response(struct gsm_mux *gsm, unsigned int command,
+							u8 *data, int clen)
+{
+	struct gsm_control *ctrl;
+	unsigned long flags;
+
+	spin_lock_irqsave(&gsm->control_lock, flags);
+
+	ctrl = gsm->pending_cmd;
+	/* Does the reply match our command */
+	command |= 1;
+	if (ctrl != NULL && (command == ctrl->cmd || command == CMD_NSC)) {
+		/* Our command was replied to, kill the retry timer */
+		del_timer(&gsm->t2_timer);
+		gsm->pending_cmd = NULL;
+		/* Rejected by the other end */
+		if (command == CMD_NSC)
+			ctrl->error = -EOPNOTSUPP;
+		ctrl->done = 1;
+		wake_up(&gsm->event);
+	}
+	spin_unlock_irqrestore(&gsm->control_lock, flags);
+}
+
+/**
+ *	gsm_control_transmit 	-	send control packet
+ *	@gsm: gsm mux
+ *	@ctrl: frame to send
+ *
+ *	Send out a pending control command (called under control lock)
+ */
+
+static void gsm_control_transmit(struct gsm_mux *gsm, struct gsm_control *ctrl)
+{
+	struct gsm_msg *msg = gsm_data_alloc(gsm, 0, ctrl->len + 1,
+							gsm->ftype|PF);
+	if (msg == NULL)
+		return;
+	msg->data[0] = (ctrl->cmd << 1) | 2 | EA;	/* command */
+	memcpy(msg->data + 1, ctrl->data, ctrl->len);
+	gsm_data_queue(gsm->dlci[0], msg);
+}
+
+/**
+ *	gsm_control_retransmit	-	retransmit a control frame
+ *	@data: pointer to our gsm object
+ *
+ *	Called off the T2 timer expiry in order to retransmit control frames
+ *	that have been lost in the system somewhere. The control_lock protects
+ *	us from colliding with another sender or a receive completion event.
+ *	In that situation the timer may still occur in a small window but
+ *	gsm->pending_cmd will be NULL and we just let the timer expire.
+ */
+
+static void gsm_control_retransmit(unsigned long data)
+{
+	struct gsm_mux *gsm = (struct gsm_mux *)data;
+	struct gsm_control *ctrl;
+	unsigned long flags;
+	spin_lock_irqsave(&gsm->control_lock, flags);
+	ctrl = gsm->pending_cmd;
+	if (ctrl) {
+		gsm->cretries--;
+		if (gsm->cretries == 0) {
+			gsm->pending_cmd = NULL;
+			ctrl->error = -ETIMEDOUT;
+			ctrl->done = 1;
+			spin_unlock_irqrestore(&gsm->control_lock, flags);
+			wake_up(&gsm->event);
+			return;
+		}
+		gsm_control_transmit(gsm, ctrl);
+		mod_timer(&gsm->t2_timer, jiffies + gsm->t2 * HZ / 100);
+	}
+	spin_unlock_irqrestore(&gsm->control_lock, flags);
+}
+
+/**
+ *	gsm_control_send	-	send a control frame on DLCI 0
+ *	@gsm: the GSM channel
+ *	@command: command  to send including CR bit
+ *	@data: bytes of data (must be kmalloced)
+ *	@len: length of the block to send
+ *
+ *	Queue and dispatch a control command. Only one command can be
+ *	active at a time. In theory more can be outstanding but the matching
+ *	gets really complicated so for now stick to one outstanding.
+ */
+
+static struct gsm_control *gsm_control_send(struct gsm_mux *gsm,
+		unsigned int command, u8 *data, int clen)
+{
+	struct gsm_control *ctrl = kzalloc(sizeof(struct gsm_control),
+						GFP_KERNEL);
+	unsigned long flags;
+	if (ctrl == NULL)
+		return NULL;
+retry:
+	wait_event(gsm->event, gsm->pending_cmd == NULL);
+	spin_lock_irqsave(&gsm->control_lock, flags);
+	if (gsm->pending_cmd != NULL) {
+		spin_unlock_irqrestore(&gsm->control_lock, flags);
+		goto retry;
+	}
+	ctrl->cmd = command;
+	ctrl->data = data;
+	ctrl->len = clen;
+	gsm->pending_cmd = ctrl;
+	gsm->cretries = gsm->n2;
+	mod_timer(&gsm->t2_timer, jiffies + gsm->t2 * HZ / 100);
+	gsm_control_transmit(gsm, ctrl);
+	spin_unlock_irqrestore(&gsm->control_lock, flags);
+	return ctrl;
+}
+
+/**
+ *	gsm_control_wait	-	wait for a control to finish
+ *	@gsm: GSM mux
+ *	@control: control we are waiting on
+ *
+ *	Waits for the control to complete or time out. Frees any used
+ *	resources and returns 0 for success, or an error if the remote
+ *	rejected or ignored the request.
+ */
+
+static int gsm_control_wait(struct gsm_mux *gsm, struct gsm_control *control)
+{
+	int err;
+	wait_event(gsm->event, control->done == 1);
+	err = control->error;
+	kfree(control);
+	return err;
+}
+
+
+/*
+ *	DLCI level handling: Needs krefs
+ */
+
+/*
+ *	State transitions and timers
+ */
+
+/**
+ *	gsm_dlci_close		-	a DLCI has closed
+ *	@dlci: DLCI that closed
+ *
+ *	Perform processing when moving a DLCI into closed state. If there
+ *	is an attached tty this is hung up
+ */
+
+static void gsm_dlci_close(struct gsm_dlci *dlci)
+{
+	del_timer(&dlci->t1);
+	if (debug & 8)
+		printk("DLCI %d goes closed.\n", dlci->addr);
+	dlci->state = DLCI_CLOSED;
+	if (dlci->addr != 0) {
+		struct tty_struct  *tty = tty_port_tty_get(&dlci->port);
+		if (tty) {
+			tty_hangup(tty);
+			tty_kref_put(tty);
+		}
+		kfifo_reset(dlci->fifo);
+	} else
+		dlci->gsm->dead = 1;
+	wake_up(&dlci->gsm->event);
+	/* A DLCI 0 close is a MUX termination so we need to kick that
+	   back to userspace somehow */
+}
+
+/**
+ *	gsm_dlci_open		-	a DLCI has opened
+ *	@dlci: DLCI that opened
+ *
+ *	Perform processing when moving a DLCI into open state.
+ */
+
+static void gsm_dlci_open(struct gsm_dlci *dlci)
+{
+	/* Note that SABM UA .. SABM UA first UA lost can mean that we go
+	   open -> open */
+	del_timer(&dlci->t1);
+	/* This will let a tty open continue */
+	dlci->state = DLCI_OPEN;
+	if (debug & 8)
+		printk("DLCI %d goes open.\n", dlci->addr);
+	wake_up(&dlci->gsm->event);
+}
+
+/**
+ *	gsm_dlci_t1		-	T1 timer expiry
+ *	@dlci: DLCI that opened
+ *
+ *	The T1 timer handles retransmits of control frames (essentially of
+ *	SABM and DISC). We resend the command until the retry count runs out
+ *	in which case an opening port goes back to closed and a closing port
+ *	is simply put into closed state (any further frames from the other
+ *	end will get a DM response)
+ */
+
+static void gsm_dlci_t1(unsigned long data)
+{
+	struct gsm_dlci *dlci = (struct gsm_dlci *)data;
+	struct gsm_mux *gsm = dlci->gsm;
+
+	switch (dlci->state) {
+	case DLCI_OPENING:
+		dlci->retries--;
+		if (dlci->retries) {
+			gsm_command(dlci->gsm, dlci->addr, SABM|PF);
+			mod_timer(&dlci->t1, jiffies + gsm->t1 * HZ / 100);
+		} else
+			gsm_dlci_close(dlci);
+		break;
+	case DLCI_CLOSING:
+		dlci->retries--;
+		if (dlci->retries) {
+			gsm_command(dlci->gsm, dlci->addr, DISC|PF);
+			mod_timer(&dlci->t1, jiffies + gsm->t1 * HZ / 100);
+		} else
+			gsm_dlci_close(dlci);
+		break;
+	}
+}
+
+/**
+ *	gsm_dlci_begin_open	-	start channel open procedure
+ *	@dlci: DLCI to open
+ *
+ *	Commence opening a DLCI from the Linux side. We issue SABM messages
+ *	to the modem which should then reply with a UA, at which point we
+ *	will move into open state. Opening is done asynchronously with retry
+ *	running off timers and the responses.
+ */
+
+static void gsm_dlci_begin_open(struct gsm_dlci *dlci)
+{
+	struct gsm_mux *gsm = dlci->gsm;
+	if (dlci->state == DLCI_OPEN || dlci->state == DLCI_OPENING)
+		return;
+	dlci->retries = gsm->n2;
+	dlci->state = DLCI_OPENING;
+	gsm_command(dlci->gsm, dlci->addr, SABM|PF);
+	mod_timer(&dlci->t1, jiffies + gsm->t1 * HZ / 100);
+}
+
+/**
+ *	gsm_dlci_begin_close	-	start channel open procedure
+ *	@dlci: DLCI to open
+ *
+ *	Commence closing a DLCI from the Linux side. We issue DISC messages
+ *	to the modem which should then reply with a UA, at which point we
+ *	will move into closed state. Closing is done asynchronously with retry
+ *	off timers. We may also receive a DM reply from the other end which
+ *	indicates the channel was already closed.
+ */
+
+static void gsm_dlci_begin_close(struct gsm_dlci *dlci)
+{
+	struct gsm_mux *gsm = dlci->gsm;
+	if (dlci->state == DLCI_CLOSED || dlci->state == DLCI_CLOSING)
+		return;
+	dlci->retries = gsm->n2;
+	dlci->state = DLCI_CLOSING;
+	gsm_command(dlci->gsm, dlci->addr, DISC|PF);
+	mod_timer(&dlci->t1, jiffies + gsm->t1 * HZ / 100);
+}
+
+/**
+ *	gsm_dlci_data		-	data arrived
+ *	@dlci: channel
+ *	@data: block of bytes received
+ *	@len: length of received block
+ *
+ *	A UI or UIH frame has arrived which contains data for a channel
+ *	other than the control channel. If the relevant virtual tty is
+ *	open we shovel the bits down it, if not we drop them.
+ */
+
+static void gsm_dlci_data(struct gsm_dlci *dlci, u8 *data, int len)
+{
+	/* krefs .. */
+	struct tty_port *port = &dlci->port;
+	struct tty_struct *tty = tty_port_tty_get(port);
+	unsigned int modem = 0;
+
+	if (debug & 16)
+		printk("%d bytes for tty %p\n", len, tty);
+	if (tty) {
+		switch (dlci->adaption)  {
+			/* Unsupported types */
+			/* Packetised interruptible data */
+			case 4:
+				break;
+			/* Packetised uininterruptible voice/data */
+			case 3:
+				break;
+			/* Asynchronous serial with line state in each frame */
+			case 2:
+				while (gsm_read_ea(&modem, *data++) == 0) {
+					len--;
+					if (len == 0)
+						return;
+				}
+				gsm_process_modem(tty, dlci, modem);
+			/* Line state will go via DLCI 0 controls only */
+			case 1:
+			default:
+				tty_insert_flip_string(tty, data, len);
+				tty_flip_buffer_push(tty);
+		}
+		tty_kref_put(tty);
+	}
+}
+
+/**
+ *	gsm_dlci_control	-	data arrived on control channel
+ *	@dlci: channel
+ *	@data: block of bytes received
+ *	@len: length of received block
+ *
+ *	A UI or UIH frame has arrived which contains data for DLCI 0 the
+ *	control channel. This should contain a command EA followed by
+ *	control data bytes. The command EA contains a command/response bit
+ *	and we divide up the work accordingly.
+ */
+
+static void gsm_dlci_command(struct gsm_dlci *dlci, u8 *data, int len)
+{
+	/* See what command is involved */
+	unsigned int command = 0;
+	while (len-- > 0) {
+		if (gsm_read_ea(&command, *data++) == 1) {
+			int clen = *data++;
+			len--;
+			/* FIXME: this is properly an EA */
+			clen >>= 1;
+			/* Malformed command ? */
+			if (clen > len)
+				return;
+			if (command & 1)
+				gsm_control_message(dlci->gsm, command,
+								data, clen);
+			else
+				gsm_control_response(dlci->gsm, command,
+								data, clen);
+			return;
+		}
+	}
+}
+
+/*
+ *	Allocate/Free DLCI channels
+ */
+
+/**
+ *	gsm_dlci_alloc		-	allocate a DLCI
+ *	@gsm: GSM mux
+ *	@addr: address of the DLCI
+ *
+ *	Allocate and install a new DLCI object into the GSM mux.
+ *
+ *	FIXME: review locking races
+ */
+
+static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr)
+{
+	struct gsm_dlci *dlci = kzalloc(sizeof(struct gsm_dlci), GFP_ATOMIC);
+	if (dlci == NULL)
+		return NULL;
+	spin_lock_init(&dlci->lock);
+	dlci->fifo = &dlci->_fifo;
+	if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL) < 0) {
+		kfree(dlci);
+		return NULL;
+	}
+
+	skb_queue_head_init(&dlci->skb_list);
+	init_timer(&dlci->t1);
+	dlci->t1.function = gsm_dlci_t1;
+	dlci->t1.data = (unsigned long)dlci;
+	tty_port_init(&dlci->port);
+	dlci->port.ops = &gsm_port_ops;
+	dlci->gsm = gsm;
+	dlci->addr = addr;
+	dlci->adaption = gsm->adaption;
+	dlci->state = DLCI_CLOSED;
+	if (addr)
+		dlci->data = gsm_dlci_data;
+	else
+		dlci->data = gsm_dlci_command;
+	gsm->dlci[addr] = dlci;
+	return dlci;
+}
+
+/**
+ *	gsm_dlci_free		-	release DLCI
+ *	@dlci: DLCI to destroy
+ *
+ *	Free up a DLCI. Currently to keep the lifetime rules sane we only
+ *	clean up DLCI objects when the MUX closes rather than as the port
+ *	is closed down on both the tty and mux levels.
+ *
+ *	Can sleep.
+ */
+static void gsm_dlci_free(struct gsm_dlci *dlci)
+{
+	struct tty_struct *tty = tty_port_tty_get(&dlci->port);
+	if (tty) {
+		tty_vhangup(tty);
+		tty_kref_put(tty);
+	}
+	del_timer_sync(&dlci->t1);
+	dlci->gsm->dlci[dlci->addr] = NULL;
+	kfifo_free(dlci->fifo);
+	kfree(dlci);
+}
+
+
+/*
+ *	LAPBish link layer logic
+ */
+
+/**
+ *	gsm_queue		-	a GSM frame is ready to process
+ *	@gsm: pointer to our gsm mux
+ *
+ *	At this point in time a frame has arrived and been demangled from
+ *	the line encoding. All the differences between the encodings have
+ *	been handled below us and the frame is unpacked into the structures.
+ *	The fcs holds the header FCS but any data FCS must be added here.
+ */
+
+static void gsm_queue(struct gsm_mux *gsm)
+{
+	struct gsm_dlci *dlci;
+	u8 cr;
+	int address;
+	/* We have to sneak a look at the packet body to do the FCS.
+	   A somewhat layering violation in the spec */
+
+	if ((gsm->control & ~PF) == UI)
+		gsm->fcs = gsm_fcs_add_block(gsm->fcs, gsm->buf, gsm->len);
+	if (gsm->fcs != GOOD_FCS) {
+		gsm->bad_fcs++;
+		if (debug & 4)
+			printk("BAD FCS %02x\n", gsm->fcs);
+		return;
+	}
+	address = gsm->address >> 1;
+	if (address >= NUM_DLCI)
+		goto invalid;
+
+	cr = gsm->address & 1;		/* C/R bit */
+
+	gsm_print_packet("<--", address, cr, gsm->control, gsm->buf, gsm->len);
+
+	cr ^= 1 - gsm->initiator;	/* Flip so 1 always means command */
+	dlci = gsm->dlci[address];
+
+	switch (gsm->control) {
+	case SABM|PF:
+		if (cr == 0)
+			goto invalid;
+		if (dlci == NULL)
+			dlci = gsm_dlci_alloc(gsm, address);
+		if (dlci == NULL)
+			return;
+		if (dlci->dead)
+			gsm_response(gsm, address, DM);
+		else {
+			gsm_response(gsm, address, UA);
+			gsm_dlci_open(dlci);
+		}
+		break;
+	case DISC|PF:
+		if (cr == 0)
+			goto invalid;
+		if (dlci == NULL || dlci->state == DLCI_CLOSED) {
+			gsm_response(gsm, address, DM);
+			return;
+		}
+		/* Real close complete */
+		gsm_response(gsm, address, UA);
+		gsm_dlci_close(dlci);
+		break;
+	case UA:
+	case UA|PF:
+		if (cr == 0 || dlci == NULL)
+			break;
+		switch (dlci->state) {
+		case DLCI_CLOSING:
+			gsm_dlci_close(dlci);
+			break;
+		case DLCI_OPENING:
+			gsm_dlci_open(dlci);
+			break;
+		}
+		break;
+	case DM:	/* DM can be valid unsolicited */
+	case DM|PF:
+		if (cr)
+			goto invalid;
+		if (dlci == NULL)
+			return;
+		gsm_dlci_close(dlci);
+		break;
+	case UI:
+	case UI|PF:
+	case UIH:
+	case UIH|PF:
+#if 0
+		if (cr)
+			goto invalid;
+#endif
+		if (dlci == NULL || dlci->state != DLCI_OPEN) {
+			gsm_command(gsm, address, DM|PF);
+			return;
+		}
+		dlci->data(dlci, gsm->buf, gsm->len);
+		break;
+	default:
+		goto invalid;
+	}
+	return;
+invalid:
+	gsm->malformed++;
+	return;
+}
+
+
+/**
+ *	gsm0_receive	-	perform processing for non-transparency
+ *	@gsm: gsm data for this ldisc instance
+ *	@c: character
+ *
+ *	Receive bytes in gsm mode 0
+ */
+
+static void gsm0_receive(struct gsm_mux *gsm, unsigned char c)
+{
+	switch (gsm->state) {
+	case GSM_SEARCH:	/* SOF marker */
+		if (c == GSM0_SOF) {
+			gsm->state = GSM_ADDRESS;
+			gsm->address = 0;
+			gsm->len = 0;
+			gsm->fcs = INIT_FCS;
+		}
+		break;		/* Address EA */
+	case GSM_ADDRESS:
+		gsm->fcs = gsm_fcs_add(gsm->fcs, c);
+		if (gsm_read_ea(&gsm->address, c))
+			gsm->state = GSM_CONTROL;
+		break;
+	case GSM_CONTROL:	/* Control Byte */
+		gsm->fcs = gsm_fcs_add(gsm->fcs, c);
+		gsm->control = c;
+		gsm->state = GSM_LEN;
+		break;
+	case GSM_LEN:		/* Length EA */
+		gsm->fcs = gsm_fcs_add(gsm->fcs, c);
+		if (gsm_read_ea(&gsm->len, c)) {
+			if (gsm->len > gsm->mru) {
+				gsm->bad_size++;
+				gsm->state = GSM_SEARCH;
+				break;
+			}
+			gsm->count = 0;
+			gsm->state = GSM_DATA;
+		}
+		break;
+	case GSM_DATA:		/* Data */
+		gsm->buf[gsm->count++] = c;
+		if (gsm->count == gsm->len)
+			gsm->state = GSM_FCS;
+		break;
+	case GSM_FCS:		/* FCS follows the packet */
+		gsm->fcs = c;
+		gsm_queue(gsm);
+		/* And then back for the next frame */
+		gsm->state = GSM_SEARCH;
+		break;
+	}
+}
+
+/**
+ *	gsm0_receive	-	perform processing for non-transparency
+ *	@gsm: gsm data for this ldisc instance
+ *	@c: character
+ *
+ *	Receive bytes in mode 1 (Advanced option)
+ */
+
+static void gsm1_receive(struct gsm_mux *gsm, unsigned char c)
+{
+	if (c == GSM1_SOF) {
+		/* EOF is only valid in frame if we have got to the data state
+		   and received at least one byte (the FCS) */
+		if (gsm->state == GSM_DATA && gsm->count) {
+			/* Extract the FCS */
+			gsm->count--;
+			gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->buf[gsm->count]);
+			gsm->len = gsm->count;
+			gsm_queue(gsm);
+			gsm->state  = GSM_START;
+			return;
+		}
+		/* Any partial frame was a runt so go back to start */
+		if (gsm->state != GSM_START) {
+			gsm->malformed++;
+			gsm->state = GSM_START;
+		}
+		/* A SOF in GSM_START means we are still reading idling or
+		   framing bytes */
+		return;
+	}
+
+	if (c == GSM1_ESCAPE) {
+		gsm->escape = 1;
+		return;
+	}
+
+	/* Only an unescaped SOF gets us out of GSM search */
+	if (gsm->state == GSM_SEARCH)
+		return;
+
+	if (gsm->escape) {
+		c ^= GSM1_ESCAPE_BITS;
+		gsm->escape = 0;
+	}
+	switch (gsm->state) {
+	case GSM_START:		/* First byte after SOF */
+		gsm->address = 0;
+		gsm->state = GSM_ADDRESS;
+		gsm->fcs = INIT_FCS;
+		/* Drop through */
+	case GSM_ADDRESS:	/* Address continuation */
+		gsm->fcs = gsm_fcs_add(gsm->fcs, c);
+		if (gsm_read_ea(&gsm->address, c))
+			gsm->state = GSM_CONTROL;
+		break;
+	case GSM_CONTROL:	/* Control Byte */
+		gsm->fcs = gsm_fcs_add(gsm->fcs, c);
+		gsm->control = c;
+		gsm->count = 0;
+		gsm->state = GSM_DATA;
+		break;
+	case GSM_DATA:		/* Data */
+		if (gsm->count > gsm->mru ) {	/* Allow one for the FCS */
+			gsm->state = GSM_OVERRUN;
+			gsm->bad_size++;
+		} else
+			gsm->buf[gsm->count++] = c;
+		break;
+	case GSM_OVERRUN:	/* Over-long - eg a dropped SOF */
+		break;
+	}
+}
+
+/**
+ *	gsm_error		-	handle tty error
+ *	@gsm: ldisc data
+ *	@data: byte received (may be invalid)
+ *	@flag: error received
+ *
+ *	Handle an error in the receipt of data for a frame. Currently we just
+ *	go back to hunting for a SOF.
+ *
+ *	FIXME: better diagnostics ?
+ */
+
+static void gsm_error(struct gsm_mux *gsm,
+				unsigned char data, unsigned char flag)
+{
+	gsm->state = GSM_SEARCH;
+	gsm->io_error++;
+}
+
+/**
+ *	gsm_cleanup_mux		-	generic GSM protocol cleanup
+ *	@gsm: our mux
+ *
+ *	Clean up the bits of the mux which are the same for all framing
+ *	protocols. Remove the mux from the mux table, stop all the timers
+ *	and then shut down each device hanging up the channels as we go.
+ */
+
+void gsm_cleanup_mux(struct gsm_mux *gsm)
+{
+	int i;
+	struct gsm_dlci *dlci = gsm->dlci[0];
+	struct gsm_msg *txq;
+
+	gsm->dead = 1;
+
+	spin_lock(&gsm_mux_lock);
+	for (i = 0; i < MAX_MUX; i++) {
+		if (gsm_mux[i] == gsm) {
+			gsm_mux[i] = NULL;
+			break;
+		}
+	}
+	spin_unlock(&gsm_mux_lock);
+	WARN_ON(i == MAX_MUX);
+
+	del_timer_sync(&gsm->t2_timer);
+	/* Now we are sure T2 has stopped */
+	if (dlci) {
+		dlci->dead = 1;
+		gsm_dlci_begin_close(dlci);
+		wait_event_interruptible(gsm->event,
+					dlci->state == DLCI_CLOSED);
+	}
+	/* Free up any link layer users */
+	for (i = 0; i < NUM_DLCI; i++)
+		if (gsm->dlci[i])
+			gsm_dlci_free(gsm->dlci[i]);
+	/* Now wipe the queues */
+	for (txq = gsm->tx_head; txq != NULL; txq = gsm->tx_head) {
+		gsm->tx_head = txq->next;
+		kfree(txq);
+	}
+	gsm->tx_tail = NULL;
+}
+EXPORT_SYMBOL_GPL(gsm_cleanup_mux);
+
+/**
+ *	gsm_activate_mux	-	generic GSM setup
+ *	@gsm: our mux
+ *
+ *	Set up the bits of the mux which are the same for all framing
+ *	protocols. Add the mux to the mux table so it can be opened and
+ *	finally kick off connecting to DLCI 0 on the modem.
+ */
+
+int gsm_activate_mux(struct gsm_mux *gsm)
+{
+	struct gsm_dlci *dlci;
+	int i = 0;
+
+	init_timer(&gsm->t2_timer);
+	gsm->t2_timer.function = gsm_control_retransmit;
+	gsm->t2_timer.data = (unsigned long)gsm;
+	init_waitqueue_head(&gsm->event);
+	spin_lock_init(&gsm->control_lock);
+	spin_lock_init(&gsm->tx_lock);
+
+	if (gsm->encoding == 0)
+		gsm->receive = gsm0_receive;
+	else
+		gsm->receive = gsm1_receive;
+	gsm->error = gsm_error;
+
+	spin_lock(&gsm_mux_lock);
+	for (i = 0; i < MAX_MUX; i++) {
+		if (gsm_mux[i] == NULL) {
+			gsm_mux[i] = gsm;
+			break;
+		}
+	}
+	spin_unlock(&gsm_mux_lock);
+	if (i == MAX_MUX)
+		return -EBUSY;
+
+	dlci = gsm_dlci_alloc(gsm, 0);
+	if (dlci == NULL)
+		return -ENOMEM;
+	gsm->dead = 0;		/* Tty opens are now permissible */
+	return 0;
+}
+EXPORT_SYMBOL_GPL(gsm_activate_mux);
+
+/**
+ *	gsm_free_mux		-	free up a mux
+ *	@mux: mux to free
+ *
+ *	Dispose of allocated resources for a dead mux. No refcounting
+ *	at present so the mux must be truely dead.
+ */
+void gsm_free_mux(struct gsm_mux *gsm)
+{
+	kfree(gsm->txframe);
+	kfree(gsm->buf);
+	kfree(gsm);
+}
+EXPORT_SYMBOL_GPL(gsm_free_mux);
+
+/**
+ *	gsm_alloc_mux		-	allocate a mux
+ *
+ *	Creates a new mux ready for activation.
+ */
+
+struct gsm_mux *gsm_alloc_mux(void)
+{
+	struct gsm_mux *gsm = kzalloc(sizeof(struct gsm_mux), GFP_KERNEL);
+	if (gsm == NULL)
+		return NULL;
+	gsm->buf = kmalloc(MAX_MRU + 1, GFP_KERNEL);
+	if (gsm->buf == NULL) {
+		kfree(gsm);
+		return NULL;
+	}
+	gsm->txframe = kmalloc(2 * MAX_MRU + 2, GFP_KERNEL);
+	if (gsm->txframe == NULL) {
+		kfree(gsm->buf);
+		kfree(gsm);
+		return NULL;
+	}
+	spin_lock_init(&gsm->lock);
+
+	gsm->t1 = T1;
+	gsm->t2 = T2;
+	gsm->n2 = N2;
+	gsm->ftype = UIH;
+	gsm->initiator = 0;
+	gsm->adaption = 1;
+	gsm->encoding = 1;
+	gsm->mru = 64;	/* Default to encoding 1 so these should be 64 */
+	gsm->mtu = 64;
+	gsm->dead = 1;	/* Avoid early tty opens */
+
+	return gsm;
+}
+EXPORT_SYMBOL_GPL(gsm_alloc_mux);
+
+
+
+
+/**
+ *	gsmld_output		-	write to link
+ *	@gsm: our mux
+ *	@data: bytes to output
+ *	@len: size
+ *
+ *	Write a block of data from the GSM mux to the data channel. This
+ *	will eventually be serialized from above but at the moment isn't.
+ */
+
+static int gsmld_output(struct gsm_mux *gsm, u8 *data, int len)
+{
+	if (tty_write_room(gsm->tty) < len) {
+		set_bit(TTY_DO_WRITE_WAKEUP, &gsm->tty->flags);
+		return -ENOSPC;
+	}
+	if (debug & 4) {
+		printk("-->%d bytes out\n", len);
+		hex_packet(data, len);
+	}
+	gsm->tty->ops->write(gsm->tty, data, len);
+	return len;
+}
+
+/**
+ *	gsmld_attach_gsm	-	mode set up
+ *	@tty: our tty structure
+ *	@gsm: our mux
+ *
+ *	Set up the MUX for basic mode and commence connecting to the
+ *	modem. Currently called from the line discipline set up but
+ *	will need moving to an ioctl path.
+ */
+
+static int gsmld_attach_gsm(struct tty_struct *tty, struct gsm_mux *gsm)
+{
+	int ret;
+
+	gsm->tty = tty_kref_get(tty);
+	gsm->output = gsmld_output;
+	ret =  gsm_activate_mux(gsm);
+	if (ret != 0)
+		tty_kref_put(gsm->tty);
+	return ret;
+}
+
+
+/**
+ *	gsmld_detach_gsm	-	stop doing 0710 mux
+ *	@tty: tty atttached to the mux
+ *	@gsm: mux
+ *
+ *	Shutdown and then clean up the resources used by the line discipline
+ */
+
+static void gsmld_detach_gsm(struct tty_struct *tty, struct gsm_mux *gsm)
+{
+	WARN_ON(tty != gsm->tty);
+	gsm_cleanup_mux(gsm);
+	tty_kref_put(gsm->tty);
+	gsm->tty = NULL;
+}
+
+static void gsmld_receive_buf(struct tty_struct *tty, const unsigned char *cp,
+			      char *fp, int count)
+{
+	struct gsm_mux *gsm = tty->disc_data;
+	const unsigned char *dp;
+	char *f;
+	int i;
+	char buf[64];
+	char flags;
+
+	if (debug & 4) {
+		printk("Inbytes %dd\n", count);
+		hex_packet(cp, count);
+	}
+
+	for (i = count, dp = cp, f = fp; i; i--, dp++) {
+		flags = *f++;
+		switch (flags) {
+		case TTY_NORMAL:
+			gsm->receive(gsm, *dp);
+			break;
+		case TTY_OVERRUN:
+		case TTY_BREAK:
+		case TTY_PARITY:
+		case TTY_FRAME:
+			gsm->error(gsm, *dp, flags);
+			break;
+		default:
+			printk(KERN_ERR "%s: unknown flag %d\n",
+			       tty_name(tty, buf), flags);
+			break;
+		}
+	}
+	/* FASYNC if needed ? */
+	/* If clogged call tty_throttle(tty); */
+}
+
+/**
+ *	gsmld_chars_in_buffer	-	report available bytes
+ *	@tty: tty device
+ *
+ *	Report the number of characters buffered to be delivered to user
+ *	at this instant in time.
+ *
+ *	Locking: gsm lock
+ */
+
+static ssize_t gsmld_chars_in_buffer(struct tty_struct *tty)
+{
+	return 0;
+}
+
+/**
+ *	gsmld_flush_buffer	-	clean input queue
+ *	@tty:	terminal device
+ *
+ *	Flush the input buffer. Called when the line discipline is
+ *	being closed, when the tty layer wants the buffer flushed (eg
+ *	at hangup).
+ */
+
+static void gsmld_flush_buffer(struct tty_struct *tty)
+{
+}
+
+/**
+ *	gsmld_close		-	close the ldisc for this tty
+ *	@tty: device
+ *
+ *	Called from the terminal layer when this line discipline is
+ *	being shut down, either because of a close or becsuse of a
+ *	discipline change. The function will not be called while other
+ *	ldisc methods are in progress.
+ */
+
+static void gsmld_close(struct tty_struct *tty)
+{
+	struct gsm_mux *gsm = tty->disc_data;
+
+	gsmld_detach_gsm(tty, gsm);
+
+	gsmld_flush_buffer(tty);
+	/* Do other clean up here */
+	gsm_free_mux(gsm);
+}
+
+/**
+ *	gsmld_open		-	open an ldisc
+ *	@tty: terminal to open
+ *
+ *	Called when this line discipline is being attached to the
+ *	terminal device. Can sleep. Called serialized so that no
+ *	other events will occur in parallel. No further open will occur
+ *	until a close.
+ */
+
+static int gsmld_open(struct tty_struct *tty)
+{
+	struct gsm_mux *gsm;
+
+	if (tty->ops->write == NULL)
+		return -EINVAL;
+
+	/* Attach our ldisc data */
+	gsm = gsm_alloc_mux();
+	if (gsm == NULL)
+		return -ENOMEM;
+
+	tty->disc_data = gsm;
+	tty->receive_room = 65536;
+
+	/* Attach the initial passive connection */
+	gsm->encoding = 1;
+	return gsmld_attach_gsm(tty, gsm);
+}
+
+/**
+ *	gsmld_write_wakeup	-	asynchronous I/O notifier
+ *	@tty: tty device
+ *
+ *	Required for the ptys, serial driver etc. since processes
+ *	that attach themselves to the master and rely on ASYNC
+ *	IO must be woken up
+ */
+
+static void gsmld_write_wakeup(struct tty_struct *tty)
+{
+	struct gsm_mux *gsm = tty->disc_data;
+
+	/* Queue poll */
+	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+	gsm_data_kick(gsm);
+	if (gsm->tx_bytes < TX_THRESH_LO)
+		gsm_dlci_data_sweep(gsm);
+}
+
+/**
+ *	gsmld_read		-	read function for tty
+ *	@tty: tty device
+ *	@file: file object
+ *	@buf: userspace buffer pointer
+ *	@nr: size of I/O
+ *
+ *	Perform reads for the line discipline. We are guaranteed that the
+ *	line discipline will not be closed under us but we may get multiple
+ *	parallel readers and must handle this ourselves. We may also get
+ *	a hangup. Always called in user context, may sleep.
+ *
+ *	This code must be sure never to sleep through a hangup.
+ */
+
+static ssize_t gsmld_read(struct tty_struct *tty, struct file *file,
+			 unsigned char __user *buf, size_t nr)
+{
+	return -EOPNOTSUPP;
+}
+
+/**
+ *	gsmld_write		-	write function for tty
+ *	@tty: tty device
+ *	@file: file object
+ *	@buf: userspace buffer pointer
+ *	@nr: size of I/O
+ *
+ *	Called when the owner of the device wants to send a frame
+ *	itself (or some other control data). The data is transferred
+ *	as-is and must be properly framed and checksummed as appropriate
+ *	by userspace. Frames are either sent whole or not at all as this
+ *	avoids pain user side.
+ */
+
+static ssize_t gsmld_write(struct tty_struct *tty, struct file *file,
+			   const unsigned char *buf, size_t nr)
+{
+	int space = tty_write_room(tty);
+	if (space >= nr)
+		return tty->ops->write(tty, buf, nr);
+	set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+	return -ENOBUFS;
+}
+
+/**
+ *	gsmld_poll		-	poll method for N_GSM0710
+ *	@tty: terminal device
+ *	@file: file accessing it
+ *	@wait: poll table
+ *
+ *	Called when the line discipline is asked to poll() for data or
+ *	for special events. This code is not serialized with respect to
+ *	other events save open/close.
+ *
+ *	This code must be sure never to sleep through a hangup.
+ *	Called without the kernel lock held - fine
+ */
+
+static unsigned int gsmld_poll(struct tty_struct *tty, struct file *file,
+							poll_table *wait)
+{
+	unsigned int mask = 0;
+	struct gsm_mux *gsm = tty->disc_data;
+
+	poll_wait(file, &tty->read_wait, wait);
+	poll_wait(file, &tty->write_wait, wait);
+	if (tty_hung_up_p(file))
+		mask |= POLLHUP;
+	if (!tty_is_writelocked(tty) && tty_write_room(tty) > 0)
+		mask |= POLLOUT | POLLWRNORM;
+	if (gsm->dead)
+		mask |= POLLHUP;
+	return mask;
+}
+
+static int gsmld_config(struct tty_struct *tty, struct gsm_mux *gsm,
+							struct gsm_config *c)
+{
+	int need_close = 0;
+	int need_restart = 0;
+
+	/* Stuff we don't support yet - UI or I frame transport, windowing */
+	if ((c->adaption !=1 && c->adaption != 2) || c->k)
+		return -EOPNOTSUPP;
+	/* Check the MRU/MTU range looks sane */
+	if (c->mru > MAX_MRU || c->mtu > MAX_MTU || c->mru < 8 || c->mtu < 8)
+		return -EINVAL;
+	if (c->n2 < 3)
+		return -EINVAL;
+	if (c->encapsulation > 1)	/* Basic, advanced, no I */
+		return -EINVAL;
+	if (c->initiator > 1)
+		return -EINVAL;
+	if (c->i == 0 || c->i > 2)	/* UIH and UI only */
+		return -EINVAL;
+	/*
+	 *	See what is needed for reconfiguration
+	 */
+
+	/* Timing fields */
+	if (c->t1 != 0 && c->t1 != gsm->t1)
+		need_restart = 1;
+	if (c->t2 != 0 && c->t2 != gsm->t2)
+		need_restart = 1;
+	if (c->encapsulation != gsm->encoding)
+		need_restart = 1;
+	if (c->adaption != gsm->adaption)
+		need_restart = 1;
+	/* Requires care */
+	if (c->initiator != gsm->initiator)
+		need_close = 1;
+	if (c->mru != gsm->mru)
+		need_restart = 1;
+	if (c->mtu != gsm->mtu)
+		need_restart = 1;
+
+	/*
+	 *	Close down what is needed, restart and initiate the new
+	 *	configuration
+	 */
+
+	if (need_close || need_restart) {
+		gsm_dlci_begin_close(gsm->dlci[0]);
+		/* This will timeout if the link is down due to N2 expiring */
+		wait_event_interruptible(gsm->event,
+				gsm->dlci[0]->state == DLCI_CLOSED);
+		if (signal_pending(current))
+			return -EINTR;
+	}
+	if (need_restart)
+		gsm_cleanup_mux(gsm);
+
+	gsm->initiator = c->initiator;
+	gsm->mru = c->mru;
+	gsm->encoding = c->encapsulation;
+	gsm->adaption = c->adaption;
+
+	if (c->i == 1)
+		gsm->ftype = UIH;
+	else if (c->i == 2)
+		gsm->ftype = UI;
+
+	if (c->t1)
+		gsm->t1 = c->t1;
+	if (c->t2)
+		gsm->t2 = c->t2;
+
+	/* FIXME: We need to separate activation/deactivation from adding
+	   and removing from the mux array */
+	if (need_restart)
+		gsm_activate_mux(gsm);
+	if (gsm->initiator && need_close)
+		gsm_dlci_begin_open(gsm->dlci[0]);
+	return 0;
+}
+
+static int gsmld_ioctl(struct tty_struct *tty, struct file *file,
+		       unsigned int cmd, unsigned long arg)
+{
+	struct gsm_config c;
+	struct gsm_mux *gsm = tty->disc_data;
+
+	switch (cmd) {
+	case GSMIOC_GETCONF:
+		memset(&c, 0, sizeof(c));
+		c.adaption = gsm->adaption;
+		c.encapsulation = gsm->encoding;
+		c.initiator = gsm->initiator;
+		c.t1 = gsm->t1;
+		c.t2 = gsm->t2;
+		c.t3 = 0;	/* Not supported */
+		c.n2 = gsm->n2;
+		if (gsm->ftype == UIH)
+			c.i = 1;
+		else
+			c.i = 2;
+		printk("Ftype %d i %d\n", gsm->ftype, c.i);
+		c.mru = gsm->mru;
+		c.mtu = gsm->mtu;
+		c.k = 0;
+		if (copy_to_user((void *)arg, &c, sizeof(c)))
+			return -EFAULT;
+		return 0;
+	case GSMIOC_SETCONF:
+		if (copy_from_user(&c, (void *)arg, sizeof(c)))
+			return -EFAULT;
+		return gsmld_config(tty, gsm, &c);
+	default:
+		return n_tty_ioctl_helper(tty, file, cmd, arg);
+	}
+}
+
+
+/* Line discipline for real tty */
+struct tty_ldisc_ops tty_ldisc_packet = {
+	.owner		 = THIS_MODULE,
+	.magic           = TTY_LDISC_MAGIC,
+	.name            = "n_gsm",
+	.open            = gsmld_open,
+	.close           = gsmld_close,
+	.flush_buffer    = gsmld_flush_buffer,
+	.chars_in_buffer = gsmld_chars_in_buffer,
+	.read            = gsmld_read,
+	.write           = gsmld_write,
+	.ioctl           = gsmld_ioctl,
+	.poll            = gsmld_poll,
+	.receive_buf     = gsmld_receive_buf,
+	.write_wakeup    = gsmld_write_wakeup
+};
+
+/*
+ *	Virtual tty side
+ */
+
+#define TX_SIZE		512
+
+static int gsmtty_modem_update(struct gsm_dlci *dlci, u8 brk)
+{
+	u8 modembits[5];
+	struct gsm_control *ctrl;
+	int len = 2;
+
+	if (brk)
+		len++;
+
+	modembits[0] = len << 1 | EA;		/* Data bytes */
+	modembits[1] = dlci->addr << 2 | 3;	/* DLCI, EA, 1 */
+	modembits[2] = gsm_encode_modem(dlci) << 1 | EA;
+	if (brk)
+		modembits[3] = brk << 4 | 2 | EA;	/* Valid, EA */
+	ctrl = gsm_control_send(dlci->gsm, CMD_MSC, modembits, len + 1);
+	if (ctrl == NULL)
+		return -ENOMEM;
+	return gsm_control_wait(dlci->gsm, ctrl);
+}
+
+static int gsm_carrier_raised(struct tty_port *port)
+{
+	struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port);
+	/* Not yet open so no carrier info */
+	if (dlci->state != DLCI_OPEN)
+		return 0;
+	if (debug & 2)
+		return 1;
+	return dlci->modem_rx & TIOCM_CD;
+}
+
+static void gsm_dtr_rts(struct tty_port *port, int onoff)
+{
+	struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port);
+	unsigned int modem_tx = dlci->modem_tx;
+	if (onoff)
+		modem_tx |= TIOCM_DTR | TIOCM_RTS;
+	else
+		modem_tx &= ~(TIOCM_DTR | TIOCM_RTS);
+	if (modem_tx != dlci->modem_tx) {
+		dlci->modem_tx = modem_tx;
+		gsmtty_modem_update(dlci, 0);
+	}
+}
+
+static const struct tty_port_operations gsm_port_ops = {
+	.carrier_raised = gsm_carrier_raised,
+	.dtr_rts = gsm_dtr_rts,
+};
+
+
+static int gsmtty_open(struct tty_struct *tty, struct file *filp)
+{
+	struct gsm_mux *gsm;
+	struct gsm_dlci *dlci;
+	struct tty_port *port;
+	unsigned int line = tty->index;
+	unsigned int mux = line >> 6;
+
+	line = line & 0x3F;
+
+	if (mux >= MAX_MUX)
+		return -ENXIO;
+	/* FIXME: we need to lock gsm_mux for lifetimes of ttys eventually */
+	if (gsm_mux[mux] == NULL)
+		return -EUNATCH;
+	if (line == 0 || line > 61)	/* 62/63 reserved */
+		return -ECHRNG;
+	gsm = gsm_mux[mux];
+	if (gsm->dead)
+		return -EL2HLT;
+	dlci = gsm->dlci[line];
+	if (dlci == NULL)
+		dlci = gsm_dlci_alloc(gsm, line);
+	if (dlci == NULL)
+		return -ENOMEM;
+	port = &dlci->port;
+	port->count++;
+	tty->driver_data = dlci;
+	tty_port_tty_set(port, tty);
+
+	dlci->modem_rx = 0;
+	/* We could in theory open and close before we wait - eg if we get
+	   a DM straight back. This is ok as that will have caused a hangup */
+	set_bit(ASYNCB_INITIALIZED, &port->flags);
+	/* Start sending off SABM messages */
+	gsm_dlci_begin_open(dlci);
+	/* And wait for virtual carrier */
+	return tty_port_block_til_ready(port, tty, filp);
+}
+
+static void gsmtty_close(struct tty_struct *tty, struct file *filp)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	if (dlci == NULL)
+		return;
+	if (tty_port_close_start(&dlci->port, tty, filp) == 0)
+		return;
+	gsm_dlci_begin_close(dlci);
+	tty_port_close_end(&dlci->port, tty);
+	tty_port_tty_set(&dlci->port, NULL);
+}
+
+static void gsmtty_hangup(struct tty_struct *tty)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	tty_port_hangup(&dlci->port);
+	gsm_dlci_begin_close(dlci);
+}
+
+static int gsmtty_write(struct tty_struct *tty, const unsigned char *buf,
+								    int len)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	/* Stuff the bytes into the fifo queue */
+	int sent = kfifo_in_locked(dlci->fifo, buf, len, &dlci->lock);
+	/* Need to kick the channel */
+	gsm_dlci_data_kick(dlci);
+	return sent;
+}
+
+static int gsmtty_write_room(struct tty_struct *tty)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	return TX_SIZE - kfifo_len(dlci->fifo);
+}
+
+static int gsmtty_chars_in_buffer(struct tty_struct *tty)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	return kfifo_len(dlci->fifo);
+}
+
+static void gsmtty_flush_buffer(struct tty_struct *tty)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	/* Caution needed: If we implement reliable transport classes
+	   then the data being transmitted can't simply be junked once
+	   it has first hit the stack. Until then we can just blow it
+	   away */
+	kfifo_reset(dlci->fifo);
+	/* Need to unhook this DLCI from the transmit queue logic */
+}
+
+static void gsmtty_wait_until_sent(struct tty_struct *tty, int timeout)
+{
+	/* The FIFO handles the queue so the kernel will do the right
+	   thing waiting on chars_in_buffer before calling us. No work
+	   to do here */
+}
+
+static int gsmtty_tiocmget(struct tty_struct *tty, struct file *filp)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	return dlci->modem_rx;
+}
+
+static int gsmtty_tiocmset(struct tty_struct *tty, struct file *filp,
+	unsigned int set, unsigned int clear)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	unsigned int modem_tx = dlci->modem_tx;
+
+	modem_tx &= clear;
+	modem_tx |= set;
+
+	if (modem_tx != dlci->modem_tx) {
+		dlci->modem_tx = modem_tx;
+		return gsmtty_modem_update(dlci, 0);
+	}
+	return 0;
+}
+
+
+static int gsmtty_ioctl(struct tty_struct *tty, struct file *filp,
+			unsigned int cmd, unsigned long arg)
+{
+	return -ENOIOCTLCMD;
+}
+
+static void gsmtty_set_termios(struct tty_struct *tty, struct ktermios *old)
+{
+	/* For the moment its fixed. In actual fact the speed information
+	   for the virtual channel can be propogated in both directions by
+	   the RPN control message. This however rapidly gets nasty as we
+	   then have to remap modem signals each way according to whether
+	   our virtual cable is null modem etc .. */
+	tty_termios_copy_hw(tty->termios, old);
+}
+
+static void gsmtty_throttle(struct tty_struct *tty)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	if (tty->termios->c_cflag & CRTSCTS)
+		dlci->modem_tx &= ~TIOCM_DTR;
+	dlci->throttled = 1;
+	/* Send an MSC with DTR cleared */
+	gsmtty_modem_update(dlci, 0);
+}
+
+static void gsmtty_unthrottle(struct tty_struct *tty)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	if (tty->termios->c_cflag & CRTSCTS)
+		dlci->modem_tx |= TIOCM_DTR;
+	dlci->throttled = 0;
+	/* Send an MSC with DTR set */
+	gsmtty_modem_update(dlci, 0);
+}
+
+static int gsmtty_break_ctl(struct tty_struct *tty, int state)
+{
+	struct gsm_dlci *dlci = tty->driver_data;
+	int encode = 0;	/* Off */
+
+	if (state == -1)	/* "On indefinitely" - we can't encode this
+				    properly */
+		encode = 0x0F;
+	else if (state > 0) {
+		encode = state / 200;	/* mS to encoding */
+		if (encode > 0x0F)
+			encode = 0x0F;	/* Best effort */
+	}
+	return gsmtty_modem_update(dlci, encode);
+}
+
+static struct tty_driver *gsm_tty_driver;
+
+/* Virtual ttys for the demux */
+static const struct tty_operations gsmtty_ops = {
+	.open			= gsmtty_open,
+	.close			= gsmtty_close,
+	.write			= gsmtty_write,
+	.write_room		= gsmtty_write_room,
+	.chars_in_buffer	= gsmtty_chars_in_buffer,
+	.flush_buffer		= gsmtty_flush_buffer,
+	.ioctl			= gsmtty_ioctl,
+	.throttle		= gsmtty_throttle,
+	.unthrottle		= gsmtty_unthrottle,
+	.set_termios		= gsmtty_set_termios,
+	.hangup			= gsmtty_hangup,
+	.wait_until_sent	= gsmtty_wait_until_sent,
+	.tiocmget		= gsmtty_tiocmget,
+	.tiocmset		= gsmtty_tiocmset,
+	.break_ctl		= gsmtty_break_ctl,
+};
+
+
+
+static int __init gsm_init(void)
+{
+	/* Fill in our line protocol discipline, and register it */
+	int status = tty_register_ldisc(N_GSM0710, &tty_ldisc_packet);
+	if (status != 0) {
+		printk(KERN_ERR "n_gsm: can't register line discipline (err = %d)\n", status);
+		return status;
+	}
+
+	gsm_tty_driver = alloc_tty_driver(256);
+	if (!gsm_tty_driver) {
+		tty_unregister_ldisc(N_GSM0710);
+		printk(KERN_ERR "gsm_init: tty allocation failed.\n");
+		return -EINVAL;
+	}
+	gsm_tty_driver->owner	= THIS_MODULE;
+	gsm_tty_driver->driver_name	= "gsmtty";
+	gsm_tty_driver->name		= "gsmtty";
+	gsm_tty_driver->major		= 0;	/* Dynamic */
+	gsm_tty_driver->minor_start	= 0;
+	gsm_tty_driver->type		= TTY_DRIVER_TYPE_SERIAL;
+	gsm_tty_driver->subtype	= SERIAL_TYPE_NORMAL;
+	gsm_tty_driver->flags	= TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV
+							| TTY_DRIVER_HARDWARE_BREAK;
+	gsm_tty_driver->init_termios	= tty_std_termios;
+	/* Fixme */
+	gsm_tty_driver->init_termios.c_lflag &= ~ECHO;
+	tty_set_operations(gsm_tty_driver, &gsmtty_ops);
+
+	spin_lock_init(&gsm_mux_lock);
+
+	if (tty_register_driver(gsm_tty_driver)) {
+		put_tty_driver(gsm_tty_driver);
+		tty_unregister_ldisc(N_GSM0710);
+		printk(KERN_ERR "gsm_init: tty registration failed.\n");
+		return -EBUSY;
+	}
+	printk(KERN_INFO "gsm_init: loaded as %d,%d.\n", gsm_tty_driver->major, gsm_tty_driver->minor_start);
+	return 0;
+}
+
+static void __exit gsm_exit(void)
+{
+	int status = tty_unregister_ldisc(N_GSM0710);
+	if (status != 0)
+		printk(KERN_ERR "n_gsm: can't unregister line discipline (err = %d)\n", status);
+	tty_unregister_driver(gsm_tty_driver);
+	put_tty_driver(gsm_tty_driver);
+	printk(KERN_INFO "gsm_init: unloaded.\n");
+}
+
+module_init(gsm_init);
+module_exit(gsm_exit);
+
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_LDISC(N_GSM0710);
diff --git a/include/linux/gsmmux.h b/include/linux/gsmmux.h
new file mode 100644
index 00000000000..378de4195ca
--- /dev/null
+++ b/include/linux/gsmmux.h
@@ -0,0 +1,25 @@
+#ifndef _LINUX_GSMMUX_H
+#define _LINUX_GSMMUX_H
+
+struct gsm_config
+{
+	unsigned int adaption;
+	unsigned int encapsulation;
+	unsigned int initiator;
+	unsigned int t1;
+	unsigned int t2;
+	unsigned int t3;
+	unsigned int n2;
+	unsigned int mru;
+	unsigned int mtu;
+	unsigned int k;
+	unsigned int i;
+	unsigned int unused[8];		/* Padding for expansion without
+					   breaking stuff */
+};
+
+#define GSMIOC_GETCONF		_IOR('G', 0, struct gsm_config)
+#define GSMIOC_SETCONF		_IOW('G', 1, struct gsm_config)
+
+
+#endif
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 7e605e4b3da..931078b7322 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -48,6 +48,7 @@
 #define N_PPS		18	/* Pulse per Second */
 #define N_V253		19	/* Codec control over voice modem */
 #define N_CAIF		20      /* CAIF protocol for talking to modems */
+#define N_GSM0710	21	/* GSM 0710 Mux */
 
 /*
  * This character is the same as _POSIX_VDISABLE: it cannot be used as

From 972c196266d5982766ca03590d54e6a0d4de5664 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 3 May 2010 09:08:38 -0700
Subject: [PATCH 2507/3638] tty: n_gsm: depends on NET

n_gsm uses skb functions, so it should depend on NET.

n_gsm.c:(.text+0x123d49): undefined reference to `skb_dequeue'
n_gsm.c:(.text+0x123d98): undefined reference to `kfree_skb'
n_gsm.c:(.text+0x123e1e): undefined reference to `skb_pull'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/char/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 51a57009aec..e21175be25d 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -284,6 +284,7 @@ config N_HDLC
 config N_GSM
 	tristate "GSM MUX line discipline support (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
+	depends on NET
 	help
 	  This line discipline provides support for the GSM MUX protocol and
 	  presents the mux as a set of 61 individual tty devices.

From e5bbbb18d872cb4e29815a000485c2c5eebcfaca Mon Sep 17 00:00:00 2001
From: John Linn <john.linn@xilinx.com>
Date: Wed, 7 Apr 2010 09:32:55 -0600
Subject: [PATCH 2508/3638] serial: uartlite: move from byte accesses to word
 accesses

Byte accesses for I/O devices in Xilinx IP is going to be less
desired in the future such that the driver is being changed to
use 32 bit accesses.

This change facilitates using the uartlite IP over a PCIe bus
which only allows 32 bit accesses.

Signed-off-by: John Linn <john.linn@xilinx.com>
Tested-by: Michal Simek <monstr@monstr.eu>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/uartlite.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index f0a6c61b17f..e6639a95d27 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -86,7 +86,7 @@ static int ulite_receive(struct uart_port *port, int stat)
 	/* stats */
 	if (stat & ULITE_STATUS_RXVALID) {
 		port->icount.rx++;
-		ch = readb(port->membase + ULITE_RX);
+		ch = ioread32be(port->membase + ULITE_RX);
 
 		if (stat & ULITE_STATUS_PARITY)
 			port->icount.parity++;
@@ -131,7 +131,7 @@ static int ulite_transmit(struct uart_port *port, int stat)
 		return 0;
 
 	if (port->x_char) {
-		writeb(port->x_char, port->membase + ULITE_TX);
+		iowrite32be(port->x_char, port->membase + ULITE_TX);
 		port->x_char = 0;
 		port->icount.tx++;
 		return 1;
@@ -140,7 +140,7 @@ static int ulite_transmit(struct uart_port *port, int stat)
 	if (uart_circ_empty(xmit) || uart_tx_stopped(port))
 		return 0;
 
-	writeb(xmit->buf[xmit->tail], port->membase + ULITE_TX);
+	iowrite32be(xmit->buf[xmit->tail], port->membase + ULITE_TX);
 	xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE-1);
 	port->icount.tx++;
 
@@ -157,7 +157,7 @@ static irqreturn_t ulite_isr(int irq, void *dev_id)
 	int busy, n = 0;
 
 	do {
-		int stat = readb(port->membase + ULITE_STATUS);
+		int stat = ioread32be(port->membase + ULITE_STATUS);
 		busy  = ulite_receive(port, stat);
 		busy |= ulite_transmit(port, stat);
 		n++;
@@ -178,7 +178,7 @@ static unsigned int ulite_tx_empty(struct uart_port *port)
 	unsigned int ret;
 
 	spin_lock_irqsave(&port->lock, flags);
-	ret = readb(port->membase + ULITE_STATUS);
+	ret = ioread32be(port->membase + ULITE_STATUS);
 	spin_unlock_irqrestore(&port->lock, flags);
 
 	return ret & ULITE_STATUS_TXEMPTY ? TIOCSER_TEMT : 0;
@@ -201,7 +201,7 @@ static void ulite_stop_tx(struct uart_port *port)
 
 static void ulite_start_tx(struct uart_port *port)
 {
-	ulite_transmit(port, readb(port->membase + ULITE_STATUS));
+	ulite_transmit(port, ioread32be(port->membase + ULITE_STATUS));
 }
 
 static void ulite_stop_rx(struct uart_port *port)
@@ -230,17 +230,17 @@ static int ulite_startup(struct uart_port *port)
 	if (ret)
 		return ret;
 
-	writeb(ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX,
+	iowrite32be(ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX,
 	       port->membase + ULITE_CONTROL);
-	writeb(ULITE_CONTROL_IE, port->membase + ULITE_CONTROL);
+	iowrite32be(ULITE_CONTROL_IE, port->membase + ULITE_CONTROL);
 
 	return 0;
 }
 
 static void ulite_shutdown(struct uart_port *port)
 {
-	writeb(0, port->membase + ULITE_CONTROL);
-	readb(port->membase + ULITE_CONTROL); /* dummy */
+	iowrite32be(0, port->membase + ULITE_CONTROL);
+	ioread32be(port->membase + ULITE_CONTROL); /* dummy */
 	free_irq(port->irq, port);
 }
 
@@ -352,7 +352,7 @@ static void ulite_console_wait_tx(struct uart_port *port)
 
 	/* Spin waiting for TX fifo to have space available */
 	for (i = 0; i < 100000; i++) {
-		val = readb(port->membase + ULITE_STATUS);
+		val = ioread32be(port->membase + ULITE_STATUS);
 		if ((val & ULITE_STATUS_TXFULL) == 0)
 			break;
 		cpu_relax();
@@ -362,7 +362,7 @@ static void ulite_console_wait_tx(struct uart_port *port)
 static void ulite_console_putchar(struct uart_port *port, int ch)
 {
 	ulite_console_wait_tx(port);
-	writeb(ch, port->membase + ULITE_TX);
+	iowrite32be(ch, port->membase + ULITE_TX);
 }
 
 static void ulite_console_write(struct console *co, const char *s,
@@ -379,8 +379,8 @@ static void ulite_console_write(struct console *co, const char *s,
 		spin_lock_irqsave(&port->lock, flags);
 
 	/* save and disable interrupt */
-	ier = readb(port->membase + ULITE_STATUS) & ULITE_STATUS_IE;
-	writeb(0, port->membase + ULITE_CONTROL);
+	ier = ioread32be(port->membase + ULITE_STATUS) & ULITE_STATUS_IE;
+	iowrite32be(0, port->membase + ULITE_CONTROL);
 
 	uart_console_write(port, s, count, ulite_console_putchar);
 
@@ -388,7 +388,7 @@ static void ulite_console_write(struct console *co, const char *s,
 
 	/* restore interrupt state */
 	if (ier)
-		writeb(ULITE_CONTROL_IE, port->membase + ULITE_CONTROL);
+		iowrite32be(ULITE_CONTROL_IE, port->membase + ULITE_CONTROL);
 
 	if (locked)
 		spin_unlock_irqrestore(&port->lock, flags);
@@ -601,7 +601,7 @@ ulite_of_probe(struct of_device *op, const struct of_device_id *match)
 
 	id = of_get_property(op->node, "port-number", NULL);
 
-	return ulite_assign(&op->dev, id ? *id : -1, res.start+3, irq);
+	return ulite_assign(&op->dev, id ? *id : -1, res.start, irq);
 }
 
 static int __devexit ulite_of_remove(struct of_device *op)

From 44051996230510ccb125cfa552d464950d1767b9 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Tue, 27 Apr 2010 14:16:33 -0700
Subject: [PATCH 2509/3638] serial: two branches the same in
 timbuart_set_mctrl()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

CTS is a read only bit and we are to stop signal RTS if modem line
TIOCM_RTS is not set.

Thanks for suggestions by Richard Röjfors.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/timbuart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 786ba85c170..62f389fdc2a 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -220,7 +220,7 @@ static void timbuart_set_mctrl(struct uart_port *port, unsigned int mctrl)
 	if (mctrl & TIOCM_RTS)
 		iowrite8(TIMBUART_CTRL_RTS, port->membase + TIMBUART_CTRL);
 	else
-		iowrite8(TIMBUART_CTRL_RTS, port->membase + TIMBUART_CTRL);
+		iowrite8(0, port->membase + TIMBUART_CTRL);
 }
 
 static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier)

From 24cd73a3942f3df214d7953f0cfd65d5085fa583 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Richard=20R=C3=B6jfors?= <richard.rojfors@pelagicore.com>
Date: Tue, 27 Apr 2010 14:16:34 -0700
Subject: [PATCH 2510/3638] serial: timbuart: make sure last byte is sent when
 port is closed
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix a problem in early versions of the FPGA IP.

In certain situations the IP reports that the FIFO is empty, but a byte is
still clocked out.  If a flush is done at that point the currently clocked
byte is canceled.

This causes incompatibilities with the upper layers when a port is closed,
it waits until the FIFO is empty and then closes the port.  During close
the FIFO is flushed -> the last byte is not sent properly.

Now the FIFO is only flushed if it is reported to be non-empty.  Which
makes the currently clocked out byte to finish.

[akpm@linux-foundation.org: fix build]
Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/timbuart.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 62f389fdc2a..67ca642713b 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -68,12 +68,22 @@ static void timbuart_start_tx(struct uart_port *port)
 	tasklet_schedule(&uart->tasklet);
 }
 
+static unsigned int timbuart_tx_empty(struct uart_port *port)
+{
+	u32 isr = ioread32(port->membase + TIMBUART_ISR);
+
+	return (isr & TXBE) ? TIOCSER_TEMT : 0;
+}
+
 static void timbuart_flush_buffer(struct uart_port *port)
 {
-	u8 ctl = ioread8(port->membase + TIMBUART_CTRL) | TIMBUART_CTRL_FLSHTX;
+	if (!timbuart_tx_empty(port)) {
+		u8 ctl = ioread8(port->membase + TIMBUART_CTRL) |
+			TIMBUART_CTRL_FLSHTX;
 
-	iowrite8(ctl, port->membase + TIMBUART_CTRL);
-	iowrite32(TXBF, port->membase + TIMBUART_ISR);
+		iowrite8(ctl, port->membase + TIMBUART_CTRL);
+		iowrite32(TXBF, port->membase + TIMBUART_ISR);
+	}
 }
 
 static void timbuart_rx_chars(struct uart_port *port)
@@ -195,13 +205,6 @@ void timbuart_tasklet(unsigned long arg)
 	dev_dbg(uart->port.dev, "%s leaving\n", __func__);
 }
 
-static unsigned int timbuart_tx_empty(struct uart_port *port)
-{
-	u32 isr = ioread32(port->membase + TIMBUART_ISR);
-
-	return (isr & TXBE) ? TIOCSER_TEMT : 0;
-}
-
 static unsigned int timbuart_get_mctrl(struct uart_port *port)
 {
 	u8 cts = ioread8(port->membase + TIMBUART_CTRL);

From 5bcd601049c6b2ad52733d4cd2794bfbaf1b9314 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Wed, 5 May 2010 10:35:22 +0200
Subject: [PATCH 2511/3638] serial: Add driver for the Altera JTAG UART

Add an UART driver for the JTAG UART component available as a SOPC
(System on Programmable Chip) component for Altera FPGAs.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/Kconfig           |  21 ++
 drivers/serial/Makefile          |   1 +
 drivers/serial/altera_jtaguart.c | 504 +++++++++++++++++++++++++++++++
 include/linux/altera_jtaguart.h  |  16 +
 include/linux/serial_core.h      |   3 +
 5 files changed, 545 insertions(+)
 create mode 100644 drivers/serial/altera_jtaguart.c
 create mode 100644 include/linux/altera_jtaguart.h

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 577d2762a4f..f4050e67846 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1523,4 +1523,25 @@ config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE
 	help
 	Support for running a console on the GRLIB APBUART
 
+config SERIAL_ALTERA_JTAGUART
+	tristate "Altera JTAG UART support"
+	select SERIAL_CORE
+	help
+	  This driver supports the Altera JTAG UART port.
+
+config SERIAL_ALTERA_JTAGUART_CONSOLE
+	bool "Altera JTAG UART console support"
+	depends on SERIAL_ALTERA_JTAGUART=y
+	select SERIAL_CORE_CONSOLE
+	help
+	  Enable a Altera JTAG UART port to be the system console.
+
+config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
+	bool "Bypass output when no connection"
+	depends on SERIAL_ALTERA_JTAGUART_CONSOLE
+	select SERIAL_CORE_CONSOLE
+	help
+	  Bypass console output and keep going even if there is no
+	  JTAG terminal connection with the host.
+
 endmenu
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 328f107346c..7f9d225d043 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -82,3 +82,4 @@ obj-$(CONFIG_KGDB_SERIAL_CONSOLE) += kgdboc.o
 obj-$(CONFIG_SERIAL_QE) += ucc_uart.o
 obj-$(CONFIG_SERIAL_TIMBERDALE)	+= timbuart.o
 obj-$(CONFIG_SERIAL_GRLIB_GAISLER_APBUART) += apbuart.o
+obj-$(CONFIG_SERIAL_ALTERA_JTAGUART) += altera_jtaguart.o
diff --git a/drivers/serial/altera_jtaguart.c b/drivers/serial/altera_jtaguart.c
new file mode 100644
index 00000000000..f9b49b5ff5e
--- /dev/null
+++ b/drivers/serial/altera_jtaguart.c
@@ -0,0 +1,504 @@
+/*
+ * altera_jtaguart.c -- Altera JTAG UART driver
+ *
+ * Based on mcf.c -- Freescale ColdFire UART driver
+ *
+ * (C) Copyright 2003-2007, Greg Ungerer <gerg@snapgear.com>
+ * (C) Copyright 2008, Thomas Chou <thomas@wytron.com.tw>
+ * (C) Copyright 2010, Tobias Klauser <tklauser@distanz.ch>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/console.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/altera_jtaguart.h>
+
+#define DRV_NAME "altera_jtaguart"
+
+/*
+ * Altera JTAG UART register definitions according to the Altera JTAG UART
+ * datasheet: http://www.altera.com/literature/hb/nios2/n2cpu_nii51009.pdf
+ */
+
+#define ALTERA_JTAGUART_SIZE			8
+
+#define ALTERA_JTAGUART_DATA_REG		0
+
+#define ALTERA_JTAGUART_DATA_DATA_MSK		0x000000FF
+#define ALTERA_JTAGUART_DATA_RVALID_MSK		0x00008000
+#define ALTERA_JTAGUART_DATA_RAVAIL_MSK		0xFFFF0000
+#define ALTERA_JTAGUART_DATA_RAVAIL_OFF		16
+
+#define ALTERA_JTAGUART_CONTROL_REG		4
+
+#define ALTERA_JTAGUART_CONTROL_RE_MSK		0x00000001
+#define ALTERA_JTAGUART_CONTROL_WE_MSK		0x00000002
+#define ALTERA_JTAGUART_CONTROL_RI_MSK		0x00000100
+#define ALTERA_JTAGUART_CONTROL_RI_OFF		8
+#define ALTERA_JTAGUART_CONTROL_WI_MSK		0x00000200
+#define ALTERA_JTAGUART_CONTROL_AC_MSK		0x00000400
+#define ALTERA_JTAGUART_CONTROL_WSPACE_MSK	0xFFFF0000
+#define ALTERA_JTAGUART_CONTROL_WSPACE_OFF	16
+
+/*
+ * Local per-uart structure.
+ */
+struct altera_jtaguart {
+	struct uart_port port;
+	unsigned int sigs;	/* Local copy of line sigs */
+	unsigned long imr;	/* Local IMR mirror */
+};
+
+static unsigned int altera_jtaguart_tx_empty(struct uart_port *port)
+{
+	return (readl(port->membase + ALTERA_JTAGUART_CONTROL_REG) &
+		ALTERA_JTAGUART_CONTROL_WSPACE_MSK) ? TIOCSER_TEMT : 0;
+}
+
+static unsigned int altera_jtaguart_get_mctrl(struct uart_port *port)
+{
+	return TIOCM_CAR | TIOCM_DSR | TIOCM_CTS;
+}
+
+static void altera_jtaguart_set_mctrl(struct uart_port *port, unsigned int sigs)
+{
+}
+
+static void altera_jtaguart_start_tx(struct uart_port *port)
+{
+	struct altera_jtaguart *pp =
+	    container_of(port, struct altera_jtaguart, port);
+
+	pp->imr |= ALTERA_JTAGUART_CONTROL_WE_MSK;
+	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
+}
+
+static void altera_jtaguart_stop_tx(struct uart_port *port)
+{
+	struct altera_jtaguart *pp =
+	    container_of(port, struct altera_jtaguart, port);
+
+	pp->imr &= ~ALTERA_JTAGUART_CONTROL_WE_MSK;
+	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
+}
+
+static void altera_jtaguart_stop_rx(struct uart_port *port)
+{
+	struct altera_jtaguart *pp =
+	    container_of(port, struct altera_jtaguart, port);
+
+	pp->imr &= ~ALTERA_JTAGUART_CONTROL_RE_MSK;
+	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
+}
+
+static void altera_jtaguart_break_ctl(struct uart_port *port, int break_state)
+{
+}
+
+static void altera_jtaguart_enable_ms(struct uart_port *port)
+{
+}
+
+static void altera_jtaguart_set_termios(struct uart_port *port,
+					struct ktermios *termios,
+					struct ktermios *old)
+{
+	/* Just copy the old termios settings back */
+	if (old)
+		tty_termios_copy_hw(termios, old);
+}
+
+static void altera_jtaguart_rx_chars(struct altera_jtaguart *pp)
+{
+	struct uart_port *port = &pp->port;
+	unsigned char ch, flag;
+	unsigned long status;
+
+	while ((status = readl(port->membase + ALTERA_JTAGUART_DATA_REG)) &
+	       ALTERA_JTAGUART_DATA_RVALID_MSK) {
+		ch = status & ALTERA_JTAGUART_DATA_DATA_MSK;
+		flag = TTY_NORMAL;
+		port->icount.rx++;
+
+		if (uart_handle_sysrq_char(port, ch))
+			continue;
+		uart_insert_char(port, 0, 0, ch, flag);
+	}
+
+	tty_flip_buffer_push(port->state->port.tty);
+}
+
+static void altera_jtaguart_tx_chars(struct altera_jtaguart *pp)
+{
+	struct uart_port *port = &pp->port;
+	struct circ_buf *xmit = &port->state->xmit;
+	unsigned int pending, count;
+
+	if (port->x_char) {
+		/* Send special char - probably flow control */
+		writel(port->x_char, port->membase + ALTERA_JTAGUART_DATA_REG);
+		port->x_char = 0;
+		port->icount.tx++;
+		return;
+	}
+
+	pending = uart_circ_chars_pending(xmit);
+	if (pending > 0) {
+		count = (readl(port->membase + ALTERA_JTAGUART_CONTROL_REG) &
+				ALTERA_JTAGUART_CONTROL_WSPACE_MSK) >>
+			ALTERA_JTAGUART_CONTROL_WSPACE_OFF;
+		if (count > pending)
+			count = pending;
+		if (count > 0) {
+			pending -= count;
+			while (count--) {
+				writel(xmit->buf[xmit->tail],
+				       port->membase + ALTERA_JTAGUART_DATA_REG);
+				xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+				port->icount.tx++;
+			}
+			if (pending < WAKEUP_CHARS)
+				uart_write_wakeup(port);
+		}
+	}
+
+	if (pending == 0) {
+		pp->imr &= ~ALTERA_JTAGUART_CONTROL_WE_MSK;
+		writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
+	}
+}
+
+static irqreturn_t altera_jtaguart_interrupt(int irq, void *data)
+{
+	struct uart_port *port = data;
+	struct altera_jtaguart *pp =
+	    container_of(port, struct altera_jtaguart, port);
+	unsigned int isr;
+
+	isr = (readl(port->membase + ALTERA_JTAGUART_CONTROL_REG) >>
+	       ALTERA_JTAGUART_CONTROL_RI_OFF) & pp->imr;
+
+	spin_lock(&port->lock);
+
+	if (isr & ALTERA_JTAGUART_CONTROL_RE_MSK)
+		altera_jtaguart_rx_chars(pp);
+	if (isr & ALTERA_JTAGUART_CONTROL_WE_MSK)
+		altera_jtaguart_tx_chars(pp);
+
+	spin_unlock(&port->lock);
+
+	return IRQ_RETVAL(isr);
+}
+
+static void altera_jtaguart_config_port(struct uart_port *port, int flags)
+{
+	port->type = PORT_ALTERA_JTAGUART;
+
+	/* Clear mask, so no surprise interrupts. */
+	writel(0, port->membase + ALTERA_JTAGUART_CONTROL_REG);
+}
+
+static int altera_jtaguart_startup(struct uart_port *port)
+{
+	struct altera_jtaguart *pp =
+	    container_of(port, struct altera_jtaguart, port);
+	unsigned long flags;
+	int ret;
+
+	ret = request_irq(port->irq, altera_jtaguart_interrupt, IRQF_DISABLED,
+			DRV_NAME, port);
+	if (ret) {
+		pr_err(DRV_NAME ": unable to attach Altera JTAG UART %d "
+		       "interrupt vector=%d\n", port->line, port->irq);
+		return ret;
+	}
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	/* Enable RX interrupts now */
+	pp->imr = ALTERA_JTAGUART_CONTROL_RE_MSK;
+	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
+
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	return 0;
+}
+
+static void altera_jtaguart_shutdown(struct uart_port *port)
+{
+	struct altera_jtaguart *pp =
+	    container_of(port, struct altera_jtaguart, port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	/* Disable all interrupts now */
+	pp->imr = 0;
+	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
+
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	free_irq(port->irq, port);
+}
+
+static const char *altera_jtaguart_type(struct uart_port *port)
+{
+	return (port->type == PORT_ALTERA_JTAGUART) ? "Altera JTAG UART" : NULL;
+}
+
+static int altera_jtaguart_request_port(struct uart_port *port)
+{
+	/* UARTs always present */
+	return 0;
+}
+
+static void altera_jtaguart_release_port(struct uart_port *port)
+{
+	/* Nothing to release... */
+}
+
+static int altera_jtaguart_verify_port(struct uart_port *port,
+				       struct serial_struct *ser)
+{
+	if (ser->type != PORT_UNKNOWN && ser->type != PORT_ALTERA_JTAGUART)
+		return -EINVAL;
+	return 0;
+}
+
+/*
+ *	Define the basic serial functions we support.
+ */
+static struct uart_ops altera_jtaguart_ops = {
+	.tx_empty	= altera_jtaguart_tx_empty,
+	.get_mctrl	= altera_jtaguart_get_mctrl,
+	.set_mctrl	= altera_jtaguart_set_mctrl,
+	.start_tx	= altera_jtaguart_start_tx,
+	.stop_tx	= altera_jtaguart_stop_tx,
+	.stop_rx	= altera_jtaguart_stop_rx,
+	.enable_ms	= altera_jtaguart_enable_ms,
+	.break_ctl	= altera_jtaguart_break_ctl,
+	.startup	= altera_jtaguart_startup,
+	.shutdown	= altera_jtaguart_shutdown,
+	.set_termios	= altera_jtaguart_set_termios,
+	.type		= altera_jtaguart_type,
+	.request_port	= altera_jtaguart_request_port,
+	.release_port	= altera_jtaguart_release_port,
+	.config_port	= altera_jtaguart_config_port,
+	.verify_port	= altera_jtaguart_verify_port,
+};
+
+#define ALTERA_JTAGUART_MAXPORTS 1
+static struct altera_jtaguart altera_jtaguart_ports[ALTERA_JTAGUART_MAXPORTS];
+
+#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE)
+
+int __init early_altera_jtaguart_setup(struct altera_jtaguart_platform_uart
+				       *platp)
+{
+	struct uart_port *port;
+	int i;
+
+	for (i = 0; i < ALTERA_JTAGUART_MAXPORTS && platp[i].mapbase; i++) {
+		port = &altera_jtaguart_ports[i].port;
+
+		port->line = i;
+		port->type = PORT_ALTERA_JTAGUART;
+		port->mapbase = platp[i].mapbase;
+		port->membase = ioremap(port->mapbase, ALTERA_JTAGUART_SIZE);
+		port->iotype = SERIAL_IO_MEM;
+		port->irq = platp[i].irq;
+		port->flags = ASYNC_BOOT_AUTOCONF;
+		port->ops = &altera_jtaguart_ops;
+	}
+
+	return 0;
+}
+
+#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS)
+static void altera_jtaguart_console_putc(struct console *co, const char c)
+{
+	struct uart_port *port = &(altera_jtaguart_ports + co->index)->port;
+	unsigned long status;
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	while (((status = readl(port->membase + ALTERA_JTAGUART_CONTROL_REG)) &
+		ALTERA_JTAGUART_CONTROL_WSPACE_MSK) == 0) {
+		if ((status & ALTERA_JTAGUART_CONTROL_AC_MSK) == 0) {
+			spin_unlock_irqrestore(&port->lock, flags);
+			return;	/* no connection activity */
+		}
+		spin_unlock_irqrestore(&port->lock, flags);
+		cpu_relax();
+		spin_lock_irqsave(&port->lock, flags);
+	}
+	writel(c, port->membase + ALTERA_JTAGUART_DATA_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+#else
+static void altera_jtaguart_console_putc(struct console *co, const char c)
+{
+	struct uart_port *port = &(altera_jtaguart_ports + co->index)->port;
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	while ((readl(port->membase + ALTERA_JTAGUART_CONTROL_REG) &
+		ALTERA_JTAGUART_CONTROL_WSPACE_MSK) == 0) {
+		spin_unlock_irqrestore(&port->lock, flags);
+		cpu_relax();
+		spin_lock_irqsave(&port->lock, flags);
+	}
+	writel(c, port->membase + ALTERA_JTAGUART_DATA_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+#endif
+
+static void altera_jtaguart_console_write(struct console *co, const char *s,
+					  unsigned int count)
+{
+	for (; count; count--, s++) {
+		altera_jtaguart_console_putc(co, *s);
+		if (*s == '\n')
+			altera_jtaguart_console_putc(co, '\r');
+	}
+}
+
+static int __init altera_jtaguart_console_setup(struct console *co,
+						char *options)
+{
+	struct uart_port *port;
+
+	if (co->index < 0 || co->index >= ALTERA_JTAGUART_MAXPORTS)
+		return -EINVAL;
+	port = &altera_jtaguart_ports[co->index].port;
+	if (port->membase == 0)
+		return -ENODEV;
+	return 0;
+}
+
+static struct uart_driver altera_jtaguart_driver;
+
+static struct console altera_jtaguart_console = {
+	.name	= "ttyJ",
+	.write	= altera_jtaguart_console_write,
+	.device	= uart_console_device,
+	.setup	= altera_jtaguart_console_setup,
+	.flags	= CON_PRINTBUFFER,
+	.index	= -1,
+	.data	= &altera_jtaguart_driver,
+};
+
+static int __init altera_jtaguart_console_init(void)
+{
+	register_console(&altera_jtaguart_console);
+	return 0;
+}
+
+console_initcall(altera_jtaguart_console_init);
+
+#define	ALTERA_JTAGUART_CONSOLE	(&altera_jtaguart_console)
+
+#else
+
+#define	ALTERA_JTAGUART_CONSOLE	NULL
+
+#endif /* CONFIG_ALTERA_JTAGUART_CONSOLE */
+
+static struct uart_driver altera_jtaguart_driver = {
+	.owner		= THIS_MODULE,
+	.driver_name	= "altera_jtaguart",
+	.dev_name	= "ttyJ",
+	.major		= ALTERA_JTAGUART_MAJOR,
+	.minor		= ALTERA_JTAGUART_MINOR,
+	.nr		= ALTERA_JTAGUART_MAXPORTS,
+	.cons		= ALTERA_JTAGUART_CONSOLE,
+};
+
+static int __devinit altera_jtaguart_probe(struct platform_device *pdev)
+{
+	struct altera_jtaguart_platform_uart *platp = pdev->dev.platform_data;
+	struct uart_port *port;
+	int i;
+
+	for (i = 0; i < ALTERA_JTAGUART_MAXPORTS && platp[i].mapbase; i++) {
+		port = &altera_jtaguart_ports[i].port;
+
+		port->line = i;
+		port->type = PORT_ALTERA_JTAGUART;
+		port->mapbase = platp[i].mapbase;
+		port->membase = ioremap(port->mapbase, ALTERA_JTAGUART_SIZE);
+		port->iotype = SERIAL_IO_MEM;
+		port->irq = platp[i].irq;
+		port->ops = &altera_jtaguart_ops;
+		port->flags = ASYNC_BOOT_AUTOCONF;
+
+		uart_add_one_port(&altera_jtaguart_driver, port);
+	}
+
+	return 0;
+}
+
+static int __devexit altera_jtaguart_remove(struct platform_device *pdev)
+{
+	struct uart_port *port;
+	int i;
+
+	for (i = 0; i < ALTERA_JTAGUART_MAXPORTS; i++) {
+		port = &altera_jtaguart_ports[i].port;
+		if (port)
+			uart_remove_one_port(&altera_jtaguart_driver, port);
+	}
+
+	return 0;
+}
+
+static struct platform_driver altera_jtaguart_platform_driver = {
+	.probe	= altera_jtaguart_probe,
+	.remove	= __devexit_p(altera_jtaguart_remove),
+	.driver	= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init altera_jtaguart_init(void)
+{
+	int rc;
+
+	rc = uart_register_driver(&altera_jtaguart_driver);
+	if (rc)
+		return rc;
+	rc = platform_driver_register(&altera_jtaguart_platform_driver);
+	if (rc) {
+		uart_unregister_driver(&altera_jtaguart_driver);
+		return rc;
+	}
+	return 0;
+}
+
+static void __exit altera_jtaguart_exit(void)
+{
+	platform_driver_unregister(&altera_jtaguart_platform_driver);
+	uart_unregister_driver(&altera_jtaguart_driver);
+}
+
+module_init(altera_jtaguart_init);
+module_exit(altera_jtaguart_exit);
+
+MODULE_DESCRIPTION("Altera JTAG UART driver");
+MODULE_AUTHOR("Thomas Chou <thomas@wytron.com.tw>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/include/linux/altera_jtaguart.h b/include/linux/altera_jtaguart.h
new file mode 100644
index 00000000000..953b178a165
--- /dev/null
+++ b/include/linux/altera_jtaguart.h
@@ -0,0 +1,16 @@
+/*
+ * altera_jtaguart.h -- Altera JTAG UART driver defines.
+ */
+
+#ifndef	__ALTJUART_H
+#define	__ALTJUART_H
+
+#define ALTERA_JTAGUART_MAJOR	204
+#define ALTERA_JTAGUART_MINOR	186
+
+struct altera_jtaguart_platform_uart {
+	unsigned long mapbase;	/* Physical address base */
+	unsigned int irq;	/* Interrupt vector */
+};
+
+#endif /* __ALTJUART_H */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 78dd1e7120a..ade1536e1a4 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -182,6 +182,9 @@
 /* Aeroflex Gaisler GRLIB APBUART */
 #define PORT_APBUART    90
 
+/* Altera UARTs */
+#define PORT_ALTERA_JTAGUART	91
+
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>

From 6b7d8f8b5c43f7bedda750d8a9dab0658da1d2ba Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Wed, 5 May 2010 10:35:23 +0200
Subject: [PATCH 2512/3638] serial: Add driver for the Altera UART

Add an UART driver for the UART component available as a SOPC (System on
Programmable Chip) component for Altera FPGAs.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/Kconfig       |  31 ++
 drivers/serial/Makefile      |   1 +
 drivers/serial/altera_uart.c | 570 +++++++++++++++++++++++++++++++++++
 include/linux/altera_uart.h  |  14 +
 include/linux/serial_core.h  |   1 +
 5 files changed, 617 insertions(+)
 create mode 100644 drivers/serial/altera_uart.c
 create mode 100644 include/linux/altera_uart.h

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index f4050e67846..8b23165bc5d 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1544,4 +1544,35 @@ config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
 	  Bypass console output and keep going even if there is no
 	  JTAG terminal connection with the host.
 
+config SERIAL_ALTERA_UART
+	tristate "Altera UART support"
+	select SERIAL_CORE
+	help
+	  This driver supports the Altera softcore UART port.
+
+config SERIAL_ALTERA_UART_MAXPORTS
+	int "Maximum number of Altera UART ports"
+	depends on SERIAL_ALTERA_UART
+	default 4
+	help
+	  This setting lets you define the maximum number of the Altera
+	  UART ports. The usual default varies from board to board, and
+	  this setting is a way of catering for that.
+
+config SERIAL_ALTERA_UART_BAUDRATE
+	int "Default baudrate for Altera UART ports"
+	depends on SERIAL_ALTERA_UART
+	default 115200
+	help
+	  This setting lets you define what the default baudrate is for the
+	  Altera UART ports. The usual default varies from board to board,
+	  and this setting is a way of catering for that.
+
+config SERIAL_ALTERA_UART_CONSOLE
+	bool "Altera UART console support"
+	depends on SERIAL_ALTERA_UART=y
+	select SERIAL_CORE_CONSOLE
+	help
+	  Enable a Altera UART port to be the system console.
+
 endmenu
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 7f9d225d043..208a85572c3 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -83,3 +83,4 @@ obj-$(CONFIG_SERIAL_QE) += ucc_uart.o
 obj-$(CONFIG_SERIAL_TIMBERDALE)	+= timbuart.o
 obj-$(CONFIG_SERIAL_GRLIB_GAISLER_APBUART) += apbuart.o
 obj-$(CONFIG_SERIAL_ALTERA_JTAGUART) += altera_jtaguart.o
+obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o
diff --git a/drivers/serial/altera_uart.c b/drivers/serial/altera_uart.c
new file mode 100644
index 00000000000..bcee156d2f2
--- /dev/null
+++ b/drivers/serial/altera_uart.c
@@ -0,0 +1,570 @@
+/*
+ * altera_uart.c -- Altera UART driver
+ *
+ * Based on mcf.c -- Freescale ColdFire UART driver
+ *
+ * (C) Copyright 2003-2007, Greg Ungerer <gerg@snapgear.com>
+ * (C) Copyright 2008, Thomas Chou <thomas@wytron.com.tw>
+ * (C) Copyright 2010, Tobias Klauser <tklauser@distanz.ch>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/console.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/altera_uart.h>
+
+#define DRV_NAME "altera_uart"
+
+/*
+ * Altera UART register definitions according to the Nios UART datasheet:
+ * http://www.altera.com/literature/ds/ds_nios_uart.pdf
+ */
+
+#define ALTERA_UART_SIZE		32
+
+#define ALTERA_UART_RXDATA_REG		0
+#define ALTERA_UART_TXDATA_REG		4
+#define ALTERA_UART_STATUS_REG		8
+#define ALTERA_UART_CONTROL_REG		12
+#define ALTERA_UART_DIVISOR_REG		16
+#define ALTERA_UART_EOP_REG		20
+
+#define ALTERA_UART_STATUS_PE_MSK	0x0001	/* parity error */
+#define ALTERA_UART_STATUS_FE_MSK	0x0002	/* framing error */
+#define ALTERA_UART_STATUS_BRK_MSK	0x0004	/* break */
+#define ALTERA_UART_STATUS_ROE_MSK	0x0008	/* RX overrun error */
+#define ALTERA_UART_STATUS_TOE_MSK	0x0010	/* TX overrun error */
+#define ALTERA_UART_STATUS_TMT_MSK	0x0020	/* TX shift register state */
+#define ALTERA_UART_STATUS_TRDY_MSK	0x0040	/* TX ready */
+#define ALTERA_UART_STATUS_RRDY_MSK	0x0080	/* RX ready */
+#define ALTERA_UART_STATUS_E_MSK	0x0100	/* exception condition */
+#define ALTERA_UART_STATUS_DCTS_MSK	0x0400	/* CTS logic-level change */
+#define ALTERA_UART_STATUS_CTS_MSK	0x0800	/* CTS logic state */
+#define ALTERA_UART_STATUS_EOP_MSK	0x1000	/* EOP written/read */
+
+						/* Enable interrupt on... */
+#define ALTERA_UART_CONTROL_PE_MSK	0x0001	/* ...parity error */
+#define ALTERA_UART_CONTROL_FE_MSK	0x0002	/* ...framing error */
+#define ALTERA_UART_CONTROL_BRK_MSK	0x0004	/* ...break */
+#define ALTERA_UART_CONTROL_ROE_MSK	0x0008	/* ...RX overrun */
+#define ALTERA_UART_CONTROL_TOE_MSK	0x0010	/* ...TX overrun */
+#define ALTERA_UART_CONTROL_TMT_MSK	0x0020	/* ...TX shift register empty */
+#define ALTERA_UART_CONTROL_TRDY_MSK	0x0040	/* ...TX ready */
+#define ALTERA_UART_CONTROL_RRDY_MSK	0x0080	/* ...RX ready */
+#define ALTERA_UART_CONTROL_E_MSK	0x0100	/* ...exception*/
+
+#define ALTERA_UART_CONTROL_TRBK_MSK	0x0200	/* TX break */
+#define ALTERA_UART_CONTROL_DCTS_MSK	0x0400	/* Interrupt on CTS change */
+#define ALTERA_UART_CONTROL_RTS_MSK	0x0800	/* RTS signal */
+#define ALTERA_UART_CONTROL_EOP_MSK	0x1000	/* Interrupt on EOP */
+
+/*
+ * Local per-uart structure.
+ */
+struct altera_uart {
+	struct uart_port port;
+	unsigned int sigs;	/* Local copy of line sigs */
+	unsigned short imr;	/* Local IMR mirror */
+};
+
+static unsigned int altera_uart_tx_empty(struct uart_port *port)
+{
+	return (readl(port->membase + ALTERA_UART_STATUS_REG) &
+		ALTERA_UART_STATUS_TMT_MSK) ? TIOCSER_TEMT : 0;
+}
+
+static unsigned int altera_uart_get_mctrl(struct uart_port *port)
+{
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned long flags;
+	unsigned int sigs;
+
+	spin_lock_irqsave(&port->lock, flags);
+	sigs =
+	    (readl(port->membase + ALTERA_UART_STATUS_REG) &
+	     ALTERA_UART_STATUS_CTS_MSK) ? TIOCM_CTS : 0;
+	sigs |= (pp->sigs & TIOCM_RTS);
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	return sigs;
+}
+
+static void altera_uart_set_mctrl(struct uart_port *port, unsigned int sigs)
+{
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	pp->sigs = sigs;
+	if (sigs & TIOCM_RTS)
+		pp->imr |= ALTERA_UART_CONTROL_RTS_MSK;
+	else
+		pp->imr &= ~ALTERA_UART_CONTROL_RTS_MSK;
+	writel(pp->imr, port->membase + ALTERA_UART_CONTROL_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static void altera_uart_start_tx(struct uart_port *port)
+{
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	pp->imr |= ALTERA_UART_CONTROL_TRDY_MSK;
+	writel(pp->imr, port->membase + ALTERA_UART_CONTROL_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static void altera_uart_stop_tx(struct uart_port *port)
+{
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	pp->imr &= ~ALTERA_UART_CONTROL_TRDY_MSK;
+	writel(pp->imr, port->membase + ALTERA_UART_CONTROL_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static void altera_uart_stop_rx(struct uart_port *port)
+{
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	pp->imr &= ~ALTERA_UART_CONTROL_RRDY_MSK;
+	writel(pp->imr, port->membase + ALTERA_UART_CONTROL_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static void altera_uart_break_ctl(struct uart_port *port, int break_state)
+{
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	if (break_state == -1)
+		pp->imr |= ALTERA_UART_CONTROL_TRBK_MSK;
+	else
+		pp->imr &= ~ALTERA_UART_CONTROL_TRBK_MSK;
+	writel(pp->imr, port->membase + ALTERA_UART_CONTROL_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static void altera_uart_enable_ms(struct uart_port *port)
+{
+}
+
+static void altera_uart_set_termios(struct uart_port *port,
+				    struct ktermios *termios,
+				    struct ktermios *old)
+{
+	unsigned long flags;
+	unsigned int baud, baudclk;
+
+	baud = uart_get_baud_rate(port, termios, old, 0, 4000000);
+	baudclk = port->uartclk / baud;
+
+	if (old)
+		tty_termios_copy_hw(termios, old);
+	tty_termios_encode_baud_rate(termios, baud, baud);
+
+	spin_lock_irqsave(&port->lock, flags);
+	writel(baudclk, port->membase + ALTERA_UART_DIVISOR_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static void altera_uart_rx_chars(struct altera_uart *pp)
+{
+	struct uart_port *port = &pp->port;
+	unsigned char ch, flag;
+	unsigned short status;
+
+	while ((status = readl(port->membase + ALTERA_UART_STATUS_REG)) &
+	       ALTERA_UART_STATUS_RRDY_MSK) {
+		ch = readl(port->membase + ALTERA_UART_RXDATA_REG);
+		flag = TTY_NORMAL;
+		port->icount.rx++;
+
+		if (status & ALTERA_UART_STATUS_E_MSK) {
+			writel(status, port->membase + ALTERA_UART_STATUS_REG);
+
+			if (status & ALTERA_UART_STATUS_BRK_MSK) {
+				port->icount.brk++;
+				if (uart_handle_break(port))
+					continue;
+			} else if (status & ALTERA_UART_STATUS_PE_MSK) {
+				port->icount.parity++;
+			} else if (status & ALTERA_UART_STATUS_ROE_MSK) {
+				port->icount.overrun++;
+			} else if (status & ALTERA_UART_STATUS_FE_MSK) {
+				port->icount.frame++;
+			}
+
+			status &= port->read_status_mask;
+
+			if (status & ALTERA_UART_STATUS_BRK_MSK)
+				flag = TTY_BREAK;
+			else if (status & ALTERA_UART_STATUS_PE_MSK)
+				flag = TTY_PARITY;
+			else if (status & ALTERA_UART_STATUS_FE_MSK)
+				flag = TTY_FRAME;
+		}
+
+		if (uart_handle_sysrq_char(port, ch))
+			continue;
+		uart_insert_char(port, status, ALTERA_UART_STATUS_ROE_MSK, ch,
+				 flag);
+	}
+
+	tty_flip_buffer_push(port->state->port.tty);
+}
+
+static void altera_uart_tx_chars(struct altera_uart *pp)
+{
+	struct uart_port *port = &pp->port;
+	struct circ_buf *xmit = &port->state->xmit;
+
+	if (port->x_char) {
+		/* Send special char - probably flow control */
+		writel(port->x_char, port->membase + ALTERA_UART_TXDATA_REG);
+		port->x_char = 0;
+		port->icount.tx++;
+		return;
+	}
+
+	while (readl(port->membase + ALTERA_UART_STATUS_REG) &
+	       ALTERA_UART_STATUS_TRDY_MSK) {
+		if (xmit->head == xmit->tail)
+			break;
+		writel(xmit->buf[xmit->tail],
+		       port->membase + ALTERA_UART_TXDATA_REG);
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		port->icount.tx++;
+	}
+
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(port);
+
+	if (xmit->head == xmit->tail) {
+		pp->imr &= ~ALTERA_UART_CONTROL_TRDY_MSK;
+		writel(pp->imr, port->membase + ALTERA_UART_CONTROL_REG);
+	}
+}
+
+static irqreturn_t altera_uart_interrupt(int irq, void *data)
+{
+	struct uart_port *port = data;
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned int isr;
+
+	isr = readl(port->membase + ALTERA_UART_STATUS_REG) & pp->imr;
+	if (isr & ALTERA_UART_STATUS_RRDY_MSK)
+		altera_uart_rx_chars(pp);
+	if (isr & ALTERA_UART_STATUS_TRDY_MSK)
+		altera_uart_tx_chars(pp);
+	return IRQ_RETVAL(isr);
+}
+
+static void altera_uart_config_port(struct uart_port *port, int flags)
+{
+	port->type = PORT_ALTERA_UART;
+
+	/* Clear mask, so no surprise interrupts. */
+	writel(0, port->membase + ALTERA_UART_CONTROL_REG);
+	/* Clear status register */
+	writel(0, port->membase + ALTERA_UART_STATUS_REG);
+}
+
+static int altera_uart_startup(struct uart_port *port)
+{
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned long flags;
+	int ret;
+
+	ret = request_irq(port->irq, altera_uart_interrupt, IRQF_DISABLED,
+			DRV_NAME, port);
+	if (ret) {
+		pr_err(DRV_NAME ": unable to attach Altera UART %d "
+		       "interrupt vector=%d\n", port->line, port->irq);
+		return ret;
+	}
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	/* Enable RX interrupts now */
+	pp->imr = ALTERA_UART_CONTROL_RRDY_MSK;
+	writel(pp->imr, port->membase + ALTERA_UART_CONTROL_REG);
+
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	return 0;
+}
+
+static void altera_uart_shutdown(struct uart_port *port)
+{
+	struct altera_uart *pp = container_of(port, struct altera_uart, port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	/* Disable all interrupts now */
+	pp->imr = 0;
+	writel(pp->imr, port->membase + ALTERA_UART_CONTROL_REG);
+
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	free_irq(port->irq, port);
+}
+
+static const char *altera_uart_type(struct uart_port *port)
+{
+	return (port->type == PORT_ALTERA_UART) ? "Altera UART" : NULL;
+}
+
+static int altera_uart_request_port(struct uart_port *port)
+{
+	/* UARTs always present */
+	return 0;
+}
+
+static void altera_uart_release_port(struct uart_port *port)
+{
+	/* Nothing to release... */
+}
+
+static int altera_uart_verify_port(struct uart_port *port,
+				   struct serial_struct *ser)
+{
+	if ((ser->type != PORT_UNKNOWN) && (ser->type != PORT_ALTERA_UART))
+		return -EINVAL;
+	return 0;
+}
+
+/*
+ *	Define the basic serial functions we support.
+ */
+static struct uart_ops altera_uart_ops = {
+	.tx_empty	= altera_uart_tx_empty,
+	.get_mctrl	= altera_uart_get_mctrl,
+	.set_mctrl	= altera_uart_set_mctrl,
+	.start_tx	= altera_uart_start_tx,
+	.stop_tx	= altera_uart_stop_tx,
+	.stop_rx	= altera_uart_stop_rx,
+	.enable_ms	= altera_uart_enable_ms,
+	.break_ctl	= altera_uart_break_ctl,
+	.startup	= altera_uart_startup,
+	.shutdown	= altera_uart_shutdown,
+	.set_termios	= altera_uart_set_termios,
+	.type		= altera_uart_type,
+	.request_port	= altera_uart_request_port,
+	.release_port	= altera_uart_release_port,
+	.config_port	= altera_uart_config_port,
+	.verify_port	= altera_uart_verify_port,
+};
+
+static struct altera_uart altera_uart_ports[CONFIG_SERIAL_ALTERA_UART_MAXPORTS];
+
+#if defined(CONFIG_SERIAL_ALTERA_UART_CONSOLE)
+
+int __init early_altera_uart_setup(struct altera_uart_platform_uart *platp)
+{
+	struct uart_port *port;
+	int i;
+
+	for (i = 0; i < CONFIG_SERIAL_ALTERA_UART_MAXPORTS && platp[i].mapbase; i++) {
+		port = &altera_uart_ports[i].port;
+
+		port->line = i;
+		port->type = PORT_ALTERA_UART;
+		port->mapbase = platp[i].mapbase;
+		port->membase = ioremap(port->mapbase, ALTERA_UART_SIZE);
+		port->iotype = SERIAL_IO_MEM;
+		port->irq = platp[i].irq;
+		port->uartclk = platp[i].uartclk;
+		port->flags = ASYNC_BOOT_AUTOCONF;
+		port->ops = &altera_uart_ops;
+	}
+
+	return 0;
+}
+
+static void altera_uart_console_putc(struct console *co, const char c)
+{
+	struct uart_port *port = &(altera_uart_ports + co->index)->port;
+	int i;
+
+	for (i = 0; i < 0x10000; i++) {
+		if (readl(port->membase + ALTERA_UART_STATUS_REG) &
+		    ALTERA_UART_STATUS_TRDY_MSK)
+			break;
+	}
+	writel(c, port->membase + ALTERA_UART_TXDATA_REG);
+	for (i = 0; i < 0x10000; i++) {
+		if (readl(port->membase + ALTERA_UART_STATUS_REG) &
+		    ALTERA_UART_STATUS_TRDY_MSK)
+			break;
+	}
+}
+
+static void altera_uart_console_write(struct console *co, const char *s,
+				      unsigned int count)
+{
+	for (; count; count--, s++) {
+		altera_uart_console_putc(co, *s);
+		if (*s == '\n')
+			altera_uart_console_putc(co, '\r');
+	}
+}
+
+static int __init altera_uart_console_setup(struct console *co, char *options)
+{
+	struct uart_port *port;
+	int baud = CONFIG_SERIAL_ALTERA_UART_BAUDRATE;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+
+	if (co->index < 0 || co->index >= CONFIG_SERIAL_ALTERA_UART_MAXPORTS)
+		return -EINVAL;
+	port = &altera_uart_ports[co->index].port;
+	if (port->membase == 0)
+		return -ENODEV;
+
+	if (options)
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+
+	return uart_set_options(port, co, baud, parity, bits, flow);
+}
+
+static struct uart_driver altera_uart_driver;
+
+static struct console altera_uart_console = {
+	.name	= "ttyS",
+	.write	= altera_uart_console_write,
+	.device	= uart_console_device,
+	.setup	= altera_uart_console_setup,
+	.flags	= CON_PRINTBUFFER,
+	.index	= -1,
+	.data	= &altera_uart_driver,
+};
+
+static int __init altera_uart_console_init(void)
+{
+	register_console(&altera_uart_console);
+	return 0;
+}
+
+console_initcall(altera_uart_console_init);
+
+#define	ALTERA_UART_CONSOLE	(&altera_uart_console)
+
+#else
+
+#define	ALTERA_UART_CONSOLE	NULL
+
+#endif /* CONFIG_ALTERA_UART_CONSOLE */
+
+/*
+ *	Define the altera_uart UART driver structure.
+ */
+static struct uart_driver altera_uart_driver = {
+	.owner		= THIS_MODULE,
+	.driver_name	= DRV_NAME,
+	.dev_name	= "ttyS",
+	.major		= TTY_MAJOR,
+	.minor		= 64,
+	.nr		= CONFIG_SERIAL_ALTERA_UART_MAXPORTS,
+	.cons		= ALTERA_UART_CONSOLE,
+};
+
+static int __devinit altera_uart_probe(struct platform_device *pdev)
+{
+	struct altera_uart_platform_uart *platp = pdev->dev.platform_data;
+	struct uart_port *port;
+	int i;
+
+	for (i = 0; i < CONFIG_SERIAL_ALTERA_UART_MAXPORTS && platp[i].mapbase; i++) {
+		port = &altera_uart_ports[i].port;
+
+		port->line = i;
+		port->type = PORT_ALTERA_UART;
+		port->mapbase = platp[i].mapbase;
+		port->membase = ioremap(port->mapbase, ALTERA_UART_SIZE);
+		port->iotype = SERIAL_IO_MEM;
+		port->irq = platp[i].irq;
+		port->uartclk = platp[i].uartclk;
+		port->ops = &altera_uart_ops;
+		port->flags = ASYNC_BOOT_AUTOCONF;
+
+		uart_add_one_port(&altera_uart_driver, port);
+	}
+
+	return 0;
+}
+
+static int altera_uart_remove(struct platform_device *pdev)
+{
+	struct uart_port *port;
+	int i;
+
+	for (i = 0; i < CONFIG_SERIAL_ALTERA_UART_MAXPORTS; i++) {
+		port = &altera_uart_ports[i].port;
+		if (port)
+			uart_remove_one_port(&altera_uart_driver, port);
+	}
+
+	return 0;
+}
+
+static struct platform_driver altera_uart_platform_driver = {
+	.probe	= altera_uart_probe,
+	.remove	= __devexit_p(altera_uart_remove),
+	.driver	= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+		.pm	= NULL,
+	},
+};
+
+static int __init altera_uart_init(void)
+{
+	int rc;
+
+	rc = uart_register_driver(&altera_uart_driver);
+	if (rc)
+		return rc;
+	rc = platform_driver_register(&altera_uart_platform_driver);
+	if (rc) {
+		uart_unregister_driver(&altera_uart_driver);
+		return rc;
+	}
+	return 0;
+}
+
+static void __exit altera_uart_exit(void)
+{
+	platform_driver_unregister(&altera_uart_platform_driver);
+	uart_unregister_driver(&altera_uart_driver);
+}
+
+module_init(altera_uart_init);
+module_exit(altera_uart_exit);
+
+MODULE_DESCRIPTION("Altera UART driver");
+MODULE_AUTHOR("Thomas Chou <thomas@wytron.com.tw>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/include/linux/altera_uart.h b/include/linux/altera_uart.h
new file mode 100644
index 00000000000..8d441064a30
--- /dev/null
+++ b/include/linux/altera_uart.h
@@ -0,0 +1,14 @@
+/*
+ * altera_uart.h -- Altera UART driver defines.
+ */
+
+#ifndef	__ALTUART_H
+#define	__ALTUART_H
+
+struct altera_uart_platform_uart {
+	unsigned long mapbase;	/* Physical address base */
+	unsigned int irq;	/* Interrupt vector */
+	unsigned int uartclk;	/* UART clock rate */
+};
+
+#endif /* __ALTUART_H */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index ade1536e1a4..09d0d2d5a08 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -184,6 +184,7 @@
 
 /* Altera UARTs */
 #define PORT_ALTERA_JTAGUART	91
+#define PORT_ALTERA_UART	92
 
 #ifdef __KERNEL__
 

From ccc5ca8d4cadc141d6c97ec0213cdd676616a11d Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@gmail.com>
Date: Fri, 7 May 2010 19:58:32 +0200
Subject: [PATCH 2513/3638] tty: fix obsolete comment on
 tty_insert_flip_string_fixed_flag

Comment was not updated when tty_insert_flip_string was generalised.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/char/tty_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c
index 7ee52164d47..cc1e9850d65 100644
--- a/drivers/char/tty_buffer.c
+++ b/drivers/char/tty_buffer.c
@@ -238,7 +238,7 @@ EXPORT_SYMBOL_GPL(tty_buffer_request_room);
  *	@size: size
  *
  *	Queue a series of bytes to the tty buffering. All the characters
- *	passed are marked as without error. Returns the number added.
+ *	passed are marked with the supplied flag. Returns the number added.
  *
  *	Locking: Called functions may take tty->buf.lock
  */

From e114474cf5c7fe7ab94dd4f5938ffa51c9af77c4 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Tue, 11 May 2010 09:10:23 +0200
Subject: [PATCH 2514/3638] serial: bfin_sport_uart: Use resource size to fix
 off-by-one error

Use the resource_size function instead of manually calculating the
resource size. This actually fixes an off-by-one error.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/serial/bfin_sport_uart.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 66cda2290de..e57fb3d228e 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -774,8 +774,7 @@ static int __devinit sport_uart_probe(struct platform_device *pdev)
 			goto out_error_free_peripherals;
 		}
 
-		sport->port.membase = ioremap(res->start,
-			res->end - res->start);
+		sport->port.membase = ioremap(res->start, resource_size(res));
 		if (!sport->port.membase) {
 			dev_err(&pdev->dev, "Cannot map sport IO\n");
 			ret = -ENXIO;

From 26e1e8d1d1cfa914b95b5dab001a6ed898872755 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 10:30:41 +0200
Subject: [PATCH 2515/3638] serial: isicomm: handle running out of slots

This patch makes it return -ENODEV if we run out of empty slots in the
probe function.  It's unlikely to happen, but it makes the static
checkers happy.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/char/isicom.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index c1ab303455c..98310e1aae3 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1573,11 +1573,16 @@ static int __devinit isicom_probe(struct pci_dev *pdev,
 	dev_info(&pdev->dev, "ISI PCI Card(Device ID 0x%x)\n", ent->device);
 
 	/* allot the first empty slot in the array */
-	for (index = 0; index < BOARD_COUNT; index++)
+	for (index = 0; index < BOARD_COUNT; index++) {
 		if (isi_card[index].base == 0) {
 			board = &isi_card[index];
 			break;
 		}
+	}
+	if (index == BOARD_COUNT) {
+		retval = -ENODEV;
+		goto err_disable;
+	}
 
 	board->index = index;
 	board->base = pci_resource_start(pdev, 3);
@@ -1624,6 +1629,7 @@ errunrr:
 errdec:
 	board->base = 0;
 	card_count--;
+err_disable:
 	pci_disable_device(pdev);
 err:
 	return retval;

From 0dbb5671921b6dad2396090ef81a3efee1ae7da1 Mon Sep 17 00:00:00 2001
From: Christoph Egger <siccegge@cs.fau.de>
Date: Mon, 17 May 2010 17:25:54 +0200
Subject: [PATCH 2516/3638] serial: Tidy REMOTE_DEBUG

REMOTE_DEBUG does already appear in 2.2 kernel sources but didn't
appear as a config Option in the initial git import 2.6.12-rc. It's
currently just used in one single place of the linux kernel and should
probably be dropped totally

Signed-off-by: Christoph Egger <siccegge@cs.fau.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/char/serial167.c | 223 +--------------------------------------
 1 file changed, 1 insertion(+), 222 deletions(-)

diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index 78a62ebe75c..ecbe479c7d6 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -176,23 +176,6 @@ static void config_setup(struct cyclades_port *);
 static void show_status(int);
 #endif
 
-#ifdef CONFIG_REMOTE_DEBUG
-static void debug_setup(void);
-void queueDebugChar(int c);
-int getDebugChar(void);
-
-#define DEBUG_PORT	1
-#define DEBUG_LEN	256
-
-typedef struct {
-	int in;
-	int out;
-	unsigned char buf[DEBUG_LEN];
-} debugq;
-
-debugq debugiq;
-#endif
-
 /*
  * I have my own version of udelay(), as it is needed when initialising
  * the chip, before the delay loop has been calibrated.  Should probably
@@ -515,11 +498,6 @@ static irqreturn_t cd2401_tx_interrupt(int irq, void *dev_id)
 	/* determine the channel and change to that context */
 	channel = (u_short) (base_addr[CyLICR] >> 2);
 
-#ifdef CONFIG_REMOTE_DEBUG
-	if (channel == DEBUG_PORT) {
-		panic("TxInt on debug port!!!");
-	}
-#endif
 	/* validate the port number (as configured and open) */
 	if ((channel < 0) || (NR_PORTS <= channel)) {
 		base_addr[CyIER] &= ~(CyTxMpty | CyTxRdy);
@@ -634,14 +612,6 @@ static irqreturn_t cd2401_rx_interrupt(int irq, void *dev_id)
 	info->last_active = jiffies;
 	save_cnt = char_count = base_addr[CyRFOC];
 
-#ifdef CONFIG_REMOTE_DEBUG
-	if (channel == DEBUG_PORT) {
-		while (char_count--) {
-			data = base_addr[CyRDR];
-			queueDebugChar(data);
-		}
-	} else
-#endif
 		/* if there is nowhere to put the data, discard it */
 	if (info->tty == 0) {
 		while (char_count--) {
@@ -2195,9 +2165,7 @@ static int __init serial167_init(void)
 		port_num++;
 		info++;
 	}
-#ifdef CONFIG_REMOTE_DEBUG
-	debug_setup();
-#endif
+
 	ret = request_irq(MVME167_IRQ_SER_ERR, cd2401_rxerr_interrupt, 0,
 			  "cd2401_errors", cd2401_rxerr_interrupt);
 	if (ret) {
@@ -2518,193 +2486,4 @@ static int __init serial167_console_init(void)
 
 console_initcall(serial167_console_init);
 
-#ifdef CONFIG_REMOTE_DEBUG
-void putDebugChar(int c)
-{
-	volatile unsigned char *base_addr = (u_char *) BASE_ADDR;
-	unsigned long flags;
-	volatile u_char sink;
-	u_char ier;
-	int port;
-
-	local_irq_save(flags);
-
-	/* Ensure transmitter is enabled! */
-
-	port = DEBUG_PORT;
-	base_addr[CyCAR] = (u_char) port;
-	while (base_addr[CyCCR])
-		;
-	base_addr[CyCCR] = CyENB_XMTR;
-
-	ier = base_addr[CyIER];
-	base_addr[CyIER] = CyTxMpty;
-
-	while (1) {
-		if (pcc2chip[PccSCCTICR] & 0x20) {
-			/* We have a Tx int. Acknowledge it */
-			sink = pcc2chip[PccTPIACKR];
-			if ((base_addr[CyLICR] >> 2) == port) {
-				base_addr[CyTDR] = c;
-				base_addr[CyTEOIR] = 0;
-				break;
-			} else
-				base_addr[CyTEOIR] = CyNOTRANS;
-		}
-	}
-
-	base_addr[CyIER] = ier;
-
-	local_irq_restore(flags);
-}
-
-int getDebugChar()
-{
-	volatile unsigned char *base_addr = (u_char *) BASE_ADDR;
-	unsigned long flags;
-	volatile u_char sink;
-	u_char ier;
-	int port;
-	int i, c;
-
-	i = debugiq.out;
-	if (i != debugiq.in) {
-		c = debugiq.buf[i];
-		if (++i == DEBUG_LEN)
-			i = 0;
-		debugiq.out = i;
-		return c;
-	}
-	/* OK, nothing in queue, wait in poll loop */
-
-	local_irq_save(flags);
-
-	/* Ensure receiver is enabled! */
-
-	port = DEBUG_PORT;
-	base_addr[CyCAR] = (u_char) port;
-#if 0
-	while (base_addr[CyCCR])
-		;
-	base_addr[CyCCR] = CyENB_RCVR;
-#endif
-	ier = base_addr[CyIER];
-	base_addr[CyIER] = CyRxData;
-
-	while (1) {
-		if (pcc2chip[PccSCCRICR] & 0x20) {
-			/* We have a Rx int. Acknowledge it */
-			sink = pcc2chip[PccRPIACKR];
-			if ((base_addr[CyLICR] >> 2) == port) {
-				int cnt = base_addr[CyRFOC];
-				while (cnt-- > 0) {
-					c = base_addr[CyRDR];
-					if (c == 0)
-						printk
-						    ("!! debug char is null (cnt=%d) !!",
-						     cnt);
-					else
-						queueDebugChar(c);
-				}
-				base_addr[CyREOIR] = 0;
-				i = debugiq.out;
-				if (i == debugiq.in)
-					panic("Debug input queue empty!");
-				c = debugiq.buf[i];
-				if (++i == DEBUG_LEN)
-					i = 0;
-				debugiq.out = i;
-				break;
-			} else
-				base_addr[CyREOIR] = CyNOTRANS;
-		}
-	}
-
-	base_addr[CyIER] = ier;
-
-	local_irq_restore(flags);
-
-	return (c);
-}
-
-void queueDebugChar(int c)
-{
-	int i;
-
-	i = debugiq.in;
-	debugiq.buf[i] = c;
-	if (++i == DEBUG_LEN)
-		i = 0;
-	if (i != debugiq.out)
-		debugiq.in = i;
-}
-
-static void debug_setup()
-{
-	unsigned long flags;
-	volatile unsigned char *base_addr = (u_char *) BASE_ADDR;
-	int i, cflag;
-
-	cflag = B19200;
-
-	local_irq_save(flags);
-
-	for (i = 0; i < 4; i++) {
-		base_addr[CyCAR] = i;
-		base_addr[CyLICR] = i << 2;
-	}
-
-	debugiq.in = debugiq.out = 0;
-
-	base_addr[CyCAR] = DEBUG_PORT;
-
-	/* baud rate */
-	i = cflag & CBAUD;
-
-	base_addr[CyIER] = 0;
-
-	base_addr[CyCMR] = CyASYNC;
-	base_addr[CyLICR] = DEBUG_PORT << 2;
-	base_addr[CyLIVR] = 0x5c;
-
-	/* tx and rx baud rate */
-
-	base_addr[CyTCOR] = baud_co[i];
-	base_addr[CyTBPR] = baud_bpr[i];
-	base_addr[CyRCOR] = baud_co[i] >> 5;
-	base_addr[CyRBPR] = baud_bpr[i];
-
-	/* set line characteristics  according configuration */
-
-	base_addr[CySCHR1] = 0;
-	base_addr[CySCHR2] = 0;
-	base_addr[CySCRL] = 0;
-	base_addr[CySCRH] = 0;
-	base_addr[CyCOR1] = Cy_8_BITS | CyPARITY_NONE;
-	base_addr[CyCOR2] = 0;
-	base_addr[CyCOR3] = Cy_1_STOP;
-	base_addr[CyCOR4] = baud_cor4[i];
-	base_addr[CyCOR5] = 0;
-	base_addr[CyCOR6] = 0;
-	base_addr[CyCOR7] = 0;
-
-	write_cy_cmd(base_addr, CyINIT_CHAN);
-	write_cy_cmd(base_addr, CyENB_RCVR);
-
-	base_addr[CyCAR] = DEBUG_PORT;	/* !!! Is this needed? */
-
-	base_addr[CyRTPRL] = 2;
-	base_addr[CyRTPRH] = 0;
-
-	base_addr[CyMSVR1] = CyRTS;
-	base_addr[CyMSVR2] = CyDTR;
-
-	base_addr[CyIER] = CyRxData;
-
-	local_irq_restore(flags);
-
-}				/* debug_setup */
-
-#endif
-
 MODULE_LICENSE("GPL");

From cdc6e3d3968052cebb2f2ddcd742bff29fbd1a90 Mon Sep 17 00:00:00 2001
From: Jan Beulich <JBeulich@novell.com>
Date: Tue, 27 Apr 2010 14:01:20 -0700
Subject: [PATCH 2517/3638] drivers/base/cpu.c: fix the output from
 /sys/devices/system/cpu/offline

Without CONFIG_CPUMASK_OFFSTACK, simply inverting cpu_online_mask leads
to CPUs beyond nr_cpu_ids to be displayed twice and CPUs not even
possible to be displayed as offline.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index f35719aab3c..251acea3d35 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -186,7 +186,7 @@ static ssize_t print_cpus_offline(struct sysdev_class *class,
 	/* display offline cpus < nr_cpu_ids */
 	if (!alloc_cpumask_var(&offline, GFP_KERNEL))
 		return -ENOMEM;
-	cpumask_complement(offline, cpu_online_mask);
+	cpumask_andnot(offline, cpu_possible_mask, cpu_online_mask);
 	n = cpulist_scnprintf(buf, len, offline);
 	free_cpumask_var(offline);
 

From dd336c554d8926c3348a2d5f2a5ef5597f6d1a06 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Sun, 2 May 2010 11:21:21 +0300
Subject: [PATCH 2518/3638] firmware_class: fix memory leak - free allocated
 pages

fix memory leak introduced by the patch 6e03a201bbe:
firmware: speed up request_firmware()

1. vfree won't release pages there were allocated explicitly and mapped
using vmap. The memory has to be vunmap-ed and the pages needs
to be freed explicitly

2. page array is moved into the 'struct
firmware' so that we can free it from release_firmware()
and not only in fw_dev_release()

The fix doesn't break the firmware load speed.

Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Ming Lei <tom.leiming@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Singed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/firmware_class.c | 26 ++++++++++++++++++++------
 include/linux/firmware.h      |  1 +
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 985da11174e..4c70b9148b2 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -130,6 +130,17 @@ static ssize_t firmware_loading_show(struct device *dev,
 	return sprintf(buf, "%d\n", loading);
 }
 
+static void firmware_free_data(const struct firmware *fw)
+{
+	int i;
+	vunmap(fw->data);
+	if (fw->pages) {
+		for (i = 0; i < PFN_UP(fw->size); i++)
+			__free_page(fw->pages[i]);
+		kfree(fw->pages);
+	}
+}
+
 /* Some architectures don't have PAGE_KERNEL_RO */
 #ifndef PAGE_KERNEL_RO
 #define PAGE_KERNEL_RO PAGE_KERNEL
@@ -162,21 +173,21 @@ static ssize_t firmware_loading_store(struct device *dev,
 			mutex_unlock(&fw_lock);
 			break;
 		}
-		vfree(fw_priv->fw->data);
-		fw_priv->fw->data = NULL;
+		firmware_free_data(fw_priv->fw);
+		memset(fw_priv->fw, 0, sizeof(struct firmware));
+		/* If the pages are not owned by 'struct firmware' */
 		for (i = 0; i < fw_priv->nr_pages; i++)
 			__free_page(fw_priv->pages[i]);
 		kfree(fw_priv->pages);
 		fw_priv->pages = NULL;
 		fw_priv->page_array_size = 0;
 		fw_priv->nr_pages = 0;
-		fw_priv->fw->size = 0;
 		set_bit(FW_STATUS_LOADING, &fw_priv->status);
 		mutex_unlock(&fw_lock);
 		break;
 	case 0:
 		if (test_bit(FW_STATUS_LOADING, &fw_priv->status)) {
-			vfree(fw_priv->fw->data);
+			vunmap(fw_priv->fw->data);
 			fw_priv->fw->data = vmap(fw_priv->pages,
 						 fw_priv->nr_pages,
 						 0, PAGE_KERNEL_RO);
@@ -184,7 +195,10 @@ static ssize_t firmware_loading_store(struct device *dev,
 				dev_err(dev, "%s: vmap() failed\n", __func__);
 				goto err;
 			}
-			/* Pages will be freed by vfree() */
+			/* Pages are now owned by 'struct firmware' */
+			fw_priv->fw->pages = fw_priv->pages;
+			fw_priv->pages = NULL;
+
 			fw_priv->page_array_size = 0;
 			fw_priv->nr_pages = 0;
 			complete(&fw_priv->completion);
@@ -578,7 +592,7 @@ release_firmware(const struct firmware *fw)
 			if (fw->data == builtin->data)
 				goto free_fw;
 		}
-		vfree(fw->data);
+		firmware_free_data(fw);
 	free_fw:
 		kfree(fw);
 	}
diff --git a/include/linux/firmware.h b/include/linux/firmware.h
index 043811f0d27..53d1e6c4f84 100644
--- a/include/linux/firmware.h
+++ b/include/linux/firmware.h
@@ -12,6 +12,7 @@
 struct firmware {
 	size_t size;
 	const u8 *data;
+	struct page **pages;
 };
 
 struct device;

From db1afffab0b5d9f6d31f8f4bea44c9cb3bc59351 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 16 Mar 2010 15:14:51 +1100
Subject: [PATCH 2519/3638] kref: remove kref_set

Of the three uses of kref_set in the kernel:

 One really should be kref_put as the code is letting go of a
    reference,
 Two really should be kref_init because the kref is being
    initialised.

This suggests that making kref_set available encourages bad code.
So fix the three uses and remove kref_set completely.

Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/kref.h              |  1 -
 kernel/user_namespace.c           |  4 ++--
 lib/kref.c                        | 15 ++-------------
 security/integrity/ima/ima_iint.c |  4 ++--
 4 files changed, 6 insertions(+), 18 deletions(-)

diff --git a/include/linux/kref.h b/include/linux/kref.h
index baf4b9e4b19..6cc38fc07ab 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -21,7 +21,6 @@ struct kref {
 	atomic_t refcount;
 };
 
-void kref_set(struct kref *kref, int num);
 void kref_init(struct kref *kref);
 void kref_get(struct kref *kref);
 int kref_put(struct kref *kref, void (*release) (struct kref *kref));
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index 076c7c8215b..b2d70d38dff 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -54,8 +54,8 @@ int create_user_ns(struct cred *new)
 #endif
 	/* tgcred will be cleared in our caller bc CLONE_THREAD won't be set */
 
-	/* alloc_uid() incremented the userns refcount.  Just set it to 1 */
-	kref_set(&ns->kref, 1);
+	/* root_user holds a reference to ns, our reference can be dropped */
+	put_user_ns(ns);
 
 	return 0;
 }
diff --git a/lib/kref.c b/lib/kref.c
index 6d19f690380..d3d227a08a4 100644
--- a/lib/kref.c
+++ b/lib/kref.c
@@ -15,24 +15,14 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 
-/**
- * kref_set - initialize object and set refcount to requested number.
- * @kref: object in question.
- * @num: initial reference counter
- */
-void kref_set(struct kref *kref, int num)
-{
-	atomic_set(&kref->refcount, num);
-	smp_mb();
-}
-
 /**
  * kref_init - initialize object.
  * @kref: object in question.
  */
 void kref_init(struct kref *kref)
 {
-	kref_set(kref, 1);
+	atomic_set(&kref->refcount, 1);
+	smp_mb();
 }
 
 /**
@@ -72,7 +62,6 @@ int kref_put(struct kref *kref, void (*release)(struct kref *kref))
 	return 0;
 }
 
-EXPORT_SYMBOL(kref_set);
 EXPORT_SYMBOL(kref_init);
 EXPORT_SYMBOL(kref_get);
 EXPORT_SYMBOL(kref_put);
diff --git a/security/integrity/ima/ima_iint.c b/security/integrity/ima/ima_iint.c
index 2dc2d659414..7625b85c227 100644
--- a/security/integrity/ima/ima_iint.c
+++ b/security/integrity/ima/ima_iint.c
@@ -94,7 +94,7 @@ void iint_free(struct kref *kref)
 		       iint->opencount);
 		iint->opencount = 0;
 	}
-	kref_set(&iint->refcount, 1);
+	kref_init(&iint->refcount);
 	kmem_cache_free(iint_cache, iint);
 }
 
@@ -133,7 +133,7 @@ static void init_once(void *foo)
 	iint->readcount = 0;
 	iint->writecount = 0;
 	iint->opencount = 0;
-	kref_set(&iint->refcount, 1);
+	kref_init(&iint->refcount);
 }
 
 static int __init ima_iintcache_init(void)

From 6f18ff91d926ab411749a199b06a49f6bc72e9af Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Sat, 27 Feb 2010 21:43:22 +0100
Subject: [PATCH 2520/3638] Driver core: Reduce the level of request_firmware()
 messages

The messages from _request_firmware() informing that firmware is
being requested or built-in firmware is going to be used are printed
at KERN_INFO, which produces lots of noise on systems with huge
numbers of AMD CPUs.  Reduce the level of these messages to
KERN_DEBUG to get rid of that noise.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/firmware_class.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 4c70b9148b2..8e6c62b4f51 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -507,15 +507,14 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
 	     builtin++) {
 		if (strcmp(name, builtin->name))
 			continue;
-		dev_info(device, "firmware: using built-in firmware %s\n",
-			 name);
+		dev_dbg(device, "firmware: using built-in firmware %s\n", name);
 		firmware->size = builtin->size;
 		firmware->data = builtin->data;
 		return 0;
 	}
 
 	if (uevent)
-		dev_info(device, "firmware: requesting %s\n", name);
+		dev_dbg(device, "firmware: requesting %s\n", name);
 
 	retval = fw_setup_device(firmware, &f_dev, name, device, uevent);
 	if (retval)

From fbb88fadf7dc2dd6d0d1aa88ff521b2f8552996a Mon Sep 17 00:00:00 2001
From: Stefani Seibold <stefani@seibold.net>
Date: Sat, 6 Mar 2010 17:50:14 +0100
Subject: [PATCH 2521/3638] driver-core: fix potential race condition in
 drivers/base/dd.c

This patch fix a potential race condition in the driver_bound() function
in the file driver/base/dd.c.

The broadcast of the BUS_NOTIFY_BOUND_DRIVER notifier should be done
after adding the new device to the driver list. Otherwise notifier
listener will fail if they use functions like usb_find_interface().

The patch is against kernel 2.6.33. Please merge it.

Signed-off-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/dd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index c89291f8a16..503c2620bbc 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -40,11 +40,11 @@ static void driver_bound(struct device *dev)
 	pr_debug("driver: '%s': %s: bound to device '%s'\n", dev_name(dev),
 		 __func__, dev->driver->name);
 
+	klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
+
 	if (dev->bus)
 		blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
 					     BUS_NOTIFY_BOUND_DRIVER, dev);
-
-	klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
 }
 
 static int driver_sysfs_add(struct device *dev)

From ffa156590f98b750161757a16c37ac8e152a7859 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Mon, 8 Mar 2010 16:46:19 -0500
Subject: [PATCH 2522/3638] Driver core: don't initialize wakeup flags

This patch (as1351) removes an unnecessary and unwanted assignment
from device_initialize().  The wakeup flags are set to 0 along with
everything else when the device structure is allocated, so we don't
need to do it again.  Furthermore, the subsystem might already have
set these flags to their correct values; we don't want to override it.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index b56a0ba31d4..e11c8c3e741 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -562,7 +562,6 @@ void device_initialize(struct device *dev)
 	init_MUTEX(&dev->sem);
 	spin_lock_init(&dev->devres_lock);
 	INIT_LIST_HEAD(&dev->devres_head);
-	device_init_wakeup(dev, 0);
 	device_pm_init(dev);
 	set_dev_node(dev, -1);
 }

From 1653268b1b538981df9bb85d637456530938be6c Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 10 Mar 2010 22:18:13 +0100
Subject: [PATCH 2523/3638] driver core: module.c: Use kasprintf

kasprintf combines kmalloc and sprintf, and takes care of the size
calculation itself.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression a,flag;
expression list args;
statement S;
@@

  a =
-  \(kmalloc\|kzalloc\)(...,flag)
+  kasprintf(flag,args)
  <... when != a
  if (a == NULL || ...) S
  ...>
- sprintf(a,args);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/module.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/base/module.c b/drivers/base/module.c
index f32f2f9b7be..db930d3ee31 100644
--- a/drivers/base/module.c
+++ b/drivers/base/module.c
@@ -15,12 +15,10 @@ static char *make_driver_name(struct device_driver *drv)
 {
 	char *driver_name;
 
-	driver_name = kmalloc(strlen(drv->name) + strlen(drv->bus->name) + 2,
-			      GFP_KERNEL);
+	driver_name = kasprintf(GFP_KERNEL, "%s:%s", drv->bus->name, drv->name);
 	if (!driver_name)
 		return NULL;
 
-	sprintf(driver_name, "%s:%s", drv->bus->name, drv->name);
 	return driver_name;
 }
 

From da5e4ef7fdb8f2fb0878dee3bd9d4dd10cea8cf1 Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Tue, 16 Mar 2010 21:55:21 +0100
Subject: [PATCH 2524/3638] devtmpfs: support !CONFIG_TMPFS

Make devtmpfs available on (embedded) configurations without SHMEM/TMPFS,
using ramfs instead.

Saves ~15KB.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/Kconfig    | 7 +++++--
 drivers/base/devtmpfs.c | 5 +++++
 fs/ramfs/inode.c        | 2 +-
 include/linux/ramfs.h   | 2 ++
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index fd52c48ee76..ef38aff737e 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -18,9 +18,9 @@ config UEVENT_HELPER_PATH
 
 config DEVTMPFS
 	bool "Maintain a devtmpfs filesystem to mount at /dev"
-	depends on HOTPLUG && SHMEM && TMPFS
+	depends on HOTPLUG
 	help
-	  This creates a tmpfs filesystem instance early at bootup.
+	  This creates a tmpfs/ramfs filesystem instance early at bootup.
 	  In this filesystem, the kernel driver core maintains device
 	  nodes with their default names and permissions for all
 	  registered devices with an assigned major/minor number.
@@ -33,6 +33,9 @@ config DEVTMPFS
 	  functional /dev without any further help. It also allows simple
 	  rescue systems, and reliably handles dynamic major/minor numbers.
 
+	  Notice: if CONFIG_TMPFS isn't enabled, the simpler ramfs
+	  file system will be used instead.
+
 config DEVTMPFS_MOUNT
 	bool "Automount devtmpfs at /dev, after the kernel mounted the rootfs"
 	depends on DEVTMPFS
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 057cf11326b..af0600143d1 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -20,6 +20,7 @@
 #include <linux/namei.h>
 #include <linux/fs.h>
 #include <linux/shmem_fs.h>
+#include <linux/ramfs.h>
 #include <linux/cred.h>
 #include <linux/sched.h>
 #include <linux/init_task.h>
@@ -45,7 +46,11 @@ __setup("devtmpfs.mount=", mount_param);
 static int dev_get_sb(struct file_system_type *fs_type, int flags,
 		      const char *dev_name, void *data, struct vfsmount *mnt)
 {
+#ifdef CONFIG_TMPFS
 	return get_sb_single(fs_type, flags, data, shmem_fill_super, mnt);
+#else
+	return get_sb_single(fs_type, flags, data, ramfs_fill_super, mnt);
+#endif
 }
 
 static struct file_system_type dev_fs_type = {
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index c94853473ca..f47cd212dee 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -214,7 +214,7 @@ static int ramfs_parse_options(char *data, struct ramfs_mount_opts *opts)
 	return 0;
 }
 
-static int ramfs_fill_super(struct super_block * sb, void * data, int silent)
+int ramfs_fill_super(struct super_block *sb, void *data, int silent)
 {
 	struct ramfs_fs_info *fsi;
 	struct inode *inode = NULL;
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index 4e768dda87b..8600508c77a 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -20,4 +20,6 @@ extern const struct file_operations ramfs_file_operations;
 extern const struct vm_operations_struct generic_file_vm_ops;
 extern int __init init_rootfs(void);
 
+int ramfs_fill_super(struct super_block *sb, void *data, int silent);
+
 #endif

From 190e8370b8033f746db5289e9324174564a6f5a7 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Wed, 17 Mar 2010 16:18:15 -0700
Subject: [PATCH 2525/3638] platform_bus: allow custom extensions to system PM
 methods

When runtime PM for platform_bus was added, it allowed for platforms
to customize the runtime PM methods since they are defined as weak
symbols.

This patch allows platforms to also extend the system PM methods with
custom hooks so runtime PM and system PM extensions can be managed
together by custom platform-specific code.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Magnus Damm <damm@opensource.se>
Cc: Rafael Wysocki <rjw@sisk.pl>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/platform.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index ada6397c23a..4d99c8bdfed 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -735,7 +735,7 @@ static void platform_pm_complete(struct device *dev)
 
 #ifdef CONFIG_SUSPEND
 
-static int platform_pm_suspend(struct device *dev)
+int __weak platform_pm_suspend(struct device *dev)
 {
 	struct device_driver *drv = dev->driver;
 	int ret = 0;
@@ -753,7 +753,7 @@ static int platform_pm_suspend(struct device *dev)
 	return ret;
 }
 
-static int platform_pm_suspend_noirq(struct device *dev)
+int __weak platform_pm_suspend_noirq(struct device *dev)
 {
 	struct device_driver *drv = dev->driver;
 	int ret = 0;
@@ -769,7 +769,7 @@ static int platform_pm_suspend_noirq(struct device *dev)
 	return ret;
 }
 
-static int platform_pm_resume(struct device *dev)
+int __weak platform_pm_resume(struct device *dev)
 {
 	struct device_driver *drv = dev->driver;
 	int ret = 0;
@@ -787,7 +787,7 @@ static int platform_pm_resume(struct device *dev)
 	return ret;
 }
 
-static int platform_pm_resume_noirq(struct device *dev)
+int __weak platform_pm_resume_noirq(struct device *dev)
 {
 	struct device_driver *drv = dev->driver;
 	int ret = 0;

From 3142788b7967ccfd2f1813ee9e11aeb1e1cf7de2 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 29 Jan 2010 20:39:02 +0000
Subject: [PATCH 2526/3638] drivers/base: Convert dev->sem to mutex

The semaphore is semantically a mutex. Convert it to a real mutex and
fix up a few places where code was relying on semaphore.h to be included
by device.h, as well as the users of the trylock function, as that value
is now reversed.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/core.c                              | 3 +--
 drivers/net/mlx4/mlx4.h                          | 1 +
 drivers/staging/comedi/drivers/quatech_daqp_cs.c | 1 +
 drivers/usb/core/usb.c                           | 2 +-
 include/linux/device.h                           | 9 ++++-----
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index e11c8c3e741..cf507a7d200 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -20,7 +20,6 @@
 #include <linux/notifier.h>
 #include <linux/genhd.h>
 #include <linux/kallsyms.h>
-#include <linux/semaphore.h>
 #include <linux/mutex.h>
 #include <linux/async.h>
 
@@ -559,7 +558,7 @@ void device_initialize(struct device *dev)
 	dev->kobj.kset = devices_kset;
 	kobject_init(&dev->kobj, &device_ktype);
 	INIT_LIST_HEAD(&dev->dma_pools);
-	init_MUTEX(&dev->sem);
+	mutex_init(&dev->mutex);
 	spin_lock_init(&dev->devres_lock);
 	INIT_LIST_HEAD(&dev->devres_head);
 	device_pm_init(dev);
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index bc72d6e4919..13343e88499 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -40,6 +40,7 @@
 #include <linux/mutex.h>
 #include <linux/radix-tree.h>
 #include <linux/timer.h>
+#include <linux/semaphore.h>
 #include <linux/workqueue.h>
 
 #include <linux/mlx4/device.h>
diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index 1786db2f337..8b274b70825 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -48,6 +48,7 @@ Devices: [Quatech] DAQP-208 (daqp), DAQP-308
 */
 
 #include "../comedidev.h"
+#include <linux/semaphore.h>
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 397b678f1c4..5ae14f6c1e7 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -573,7 +573,7 @@ int usb_lock_device_for_reset(struct usb_device *udev,
 			iface->condition == USB_INTERFACE_UNBOUND))
 		return -EINTR;
 
-	while (usb_trylock_device(udev) != 0) {
+	while (!usb_trylock_device(udev)) {
 
 		/* If we can't acquire the lock after waiting one second,
 		 * we're probably deadlocked */
diff --git a/include/linux/device.h b/include/linux/device.h
index 241b96bcd7a..6f9619190aa 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -22,7 +22,6 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/pm.h>
-#include <linux/semaphore.h>
 #include <asm/atomic.h>
 #include <asm/device.h>
 
@@ -404,7 +403,7 @@ struct device {
 	const char		*init_name; /* initial name of the device */
 	struct device_type	*type;
 
-	struct semaphore	sem;	/* semaphore to synchronize calls to
+	struct mutex		mutex;	/* mutex to synchronize calls to
 					 * its driver.
 					 */
 
@@ -514,17 +513,17 @@ static inline bool device_async_suspend_enabled(struct device *dev)
 
 static inline void device_lock(struct device *dev)
 {
-	down(&dev->sem);
+	mutex_lock(&dev->mutex);
 }
 
 static inline int device_trylock(struct device *dev)
 {
-	return down_trylock(&dev->sem);
+	return mutex_trylock(&dev->mutex);
 }
 
 static inline void device_unlock(struct device *dev)
 {
-	up(&dev->sem);
+	mutex_unlock(&dev->mutex);
 }
 
 void driver_init(void);

From 1704f47b50b5d9e1b825e43e1baaf2c5897baf03 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Fri, 19 Mar 2010 01:37:42 +0100
Subject: [PATCH 2527/3638] lockdep: Add novalidate class for dev->mutex
 conversion

The conversion of device->sem to device->mutex resulted in lockdep
warnings. Create a novalidate class for now until the driver folks
come up with separate classes. That way we have at least the basic
mutex debugging coverage.

Add a checkpatch error so the usage is reserved for device->mutex.

[ tglx: checkpatch and compile fix for LOCKDEP=n ]

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/core.c     |  1 +
 include/linux/lockdep.h |  8 ++++++++
 kernel/lockdep.c        |  5 +++++
 scripts/checkpatch.pl   | 11 +++++++++++
 4 files changed, 25 insertions(+)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index cf507a7d200..4c5be85016b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -559,6 +559,7 @@ void device_initialize(struct device *dev)
 	kobject_init(&dev->kobj, &device_ktype);
 	INIT_LIST_HEAD(&dev->dma_pools);
 	mutex_init(&dev->mutex);
+	lockdep_set_novalidate_class(&dev->mutex);
 	spin_lock_init(&dev->devres_lock);
 	INIT_LIST_HEAD(&dev->devres_head);
 	device_pm_init(dev);
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index a03977a96d7..06aed8305bf 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -44,6 +44,8 @@ struct lock_class_key {
 	struct lockdep_subclass_key	subkeys[MAX_LOCKDEP_SUBCLASSES];
 };
 
+extern struct lock_class_key __lockdep_no_validate__;
+
 #define LOCKSTAT_POINTS		4
 
 /*
@@ -270,6 +272,9 @@ extern void lockdep_init_map(struct lockdep_map *lock, const char *name,
 #define lockdep_set_subclass(lock, sub)	\
 		lockdep_init_map(&(lock)->dep_map, #lock, \
 				 (lock)->dep_map.key, sub)
+
+#define lockdep_set_novalidate_class(lock) \
+	lockdep_set_class(lock, &__lockdep_no_validate__)
 /*
  * Compare locking classes
  */
@@ -354,6 +359,9 @@ static inline void lockdep_on(void)
 #define lockdep_set_class_and_subclass(lock, key, sub) \
 		do { (void)(key); } while (0)
 #define lockdep_set_subclass(lock, sub)		do { } while (0)
+
+#define lockdep_set_novalidate_class(lock) do { } while (0)
+
 /*
  * We don't define lockdep_match_class() and lockdep_match_key() for !LOCKDEP
  * case since the result is not well defined and the caller should rather
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index ec21304856d..54286798c37 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2711,6 +2711,8 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
 }
 EXPORT_SYMBOL_GPL(lockdep_init_map);
 
+struct lock_class_key __lockdep_no_validate__;
+
 /*
  * This gets called for every mutex_lock*()/spin_lock*() operation.
  * We maintain the dependency maps and validate the locking attempt:
@@ -2745,6 +2747,9 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
 		return 0;
 	}
 
+	if (lock->key == &__lockdep_no_validate__)
+		check = 1;
+
 	if (!subclass)
 		class = lock->class_cache;
 	/*
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a4d74344d80..f2bbea90070 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2656,6 +2656,7 @@ sub process {
 # check for semaphores used as mutexes
 		if ($line =~ /^.\s*init_MUTEX_LOCKED\s*\(/) {
 			WARN("consider using a completion\n" . $herecurr);
+
 		}
 # recommend strict_strto* over simple_strto*
 		if ($line =~ /\bsimple_(strto.*?)\s*\(/) {
@@ -2740,6 +2741,16 @@ sub process {
 				WARN("use of in_atomic() is incorrect outside core kernel code\n" . $herecurr);
 			}
 		}
+
+# check for lockdep_set_novalidate_class
+		if ($line =~ /^.\s*lockdep_set_novalidate_class\s*\(/ ||
+		    $line =~ /__lockdep_no_validate__\s*\)/ ) {
+			if ($realfile !~ m@^kernel/lockdep@ &&
+			    $realfile !~ m@^include/linux/lockdep@ &&
+			    $realfile !~ m@^drivers/base/core@) {
+				ERROR("lockdep_no_validate class is reserved for device->mutex.\n" . $herecurr);
+			}
+		}
 	}
 
 	# If we have no input at all, then there is nothing to report on

From e9045f9178f3e3445a3a5b85206f8681b3869562 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 29 Mar 2010 17:57:20 +0200
Subject: [PATCH 2528/3638] firmware class: export nowait to userspace

When we use request_firmware_nowait(), userspace may
not want to answer negatively right away when for
example it is answering from an initrd only, but
with request_firmware() it has to in order to not
delay the kernel boot until the request times out.

This allows userspace to differentiate between the
two in order to be able to reply negatively to async
requests only when all filesystems have been mounted
and have been checked for the requested firmware file.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/firmware_class.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 8e6c62b4f51..d45d1e1c40a 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -50,6 +50,7 @@ struct firmware_priv {
 	int page_array_size;
 	const char *vdata;
 	struct timer_list timeout;
+	bool nowait;
 };
 
 #ifdef CONFIG_FW_LOADER
@@ -112,6 +113,8 @@ static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
 		return -ENOMEM;
 	if (add_uevent_var(env, "TIMEOUT=%i", loading_timeout))
 		return -ENOMEM;
+	if (add_uevent_var(env, "ASYNC=%d", fw_priv->nowait))
+		return -ENOMEM;
 
 	return 0;
 }
@@ -441,7 +444,7 @@ error_kfree:
 
 static int fw_setup_device(struct firmware *fw, struct device **dev_p,
 			   const char *fw_name, struct device *device,
-			   int uevent)
+			   int uevent, bool nowait)
 {
 	struct device *f_dev;
 	struct firmware_priv *fw_priv;
@@ -457,6 +460,8 @@ static int fw_setup_device(struct firmware *fw, struct device **dev_p,
 
 	fw_priv = dev_get_drvdata(f_dev);
 
+	fw_priv->nowait = nowait;
+
 	fw_priv->fw = fw;
 	sysfs_bin_attr_init(&fw_priv->attr_data);
 	retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data);
@@ -484,7 +489,7 @@ out:
 
 static int
 _request_firmware(const struct firmware **firmware_p, const char *name,
-		 struct device *device, int uevent)
+		 struct device *device, int uevent, bool nowait)
 {
 	struct device *f_dev;
 	struct firmware_priv *fw_priv;
@@ -516,7 +521,8 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
 	if (uevent)
 		dev_dbg(device, "firmware: requesting %s\n", name);
 
-	retval = fw_setup_device(firmware, &f_dev, name, device, uevent);
+	retval = fw_setup_device(firmware, &f_dev, name, device,
+				 uevent, nowait);
 	if (retval)
 		goto error_kfree_fw;
 
@@ -573,7 +579,7 @@ request_firmware(const struct firmware **firmware_p, const char *name,
                  struct device *device)
 {
         int uevent = 1;
-        return _request_firmware(firmware_p, name, device, uevent);
+        return _request_firmware(firmware_p, name, device, uevent, false);
 }
 
 /**
@@ -619,7 +625,7 @@ request_firmware_work_func(void *arg)
 		return 0;
 	}
 	ret = _request_firmware(&fw, fw_work->name, fw_work->device,
-		fw_work->uevent);
+		fw_work->uevent, true);
 
 	fw_work->cont(fw, fw_work->context);
 

From 673fae90d5ee4ae2b6403f9d45af7ff640f06a60 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sat, 13 Mar 2010 23:49:13 -0800
Subject: [PATCH 2529/3638] firmware loader: rely on driver core to create
 class attribute

Do not create 'timeout' attribute manually, let driver core do it for us.
This also ensures that attribute is cleaned up properly.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/firmware_class.c | 59 ++++++++++++++---------------------
 1 file changed, 24 insertions(+), 35 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index d45d1e1c40a..d351e773f43 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -101,9 +101,26 @@ firmware_timeout_store(struct class *class,
 	return count;
 }
 
-static CLASS_ATTR(timeout, 0644, firmware_timeout_show, firmware_timeout_store);
+static struct class_attribute firmware_class_attrs[] = {
+	__ATTR(timeout, S_IWUSR | S_IRUGO,
+		firmware_timeout_show, firmware_timeout_store),
+	__ATTR_NULL
+};
 
-static void fw_dev_release(struct device *dev);
+static void fw_dev_release(struct device *dev)
+{
+	struct firmware_priv *fw_priv = dev_get_drvdata(dev);
+	int i;
+
+	for (i = 0; i < fw_priv->nr_pages; i++)
+		__free_page(fw_priv->pages[i]);
+	kfree(fw_priv->pages);
+	kfree(fw_priv->fw_id);
+	kfree(fw_priv);
+	kfree(dev);
+
+	module_put(THIS_MODULE);
+}
 
 static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
@@ -121,6 +138,7 @@ static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
 
 static struct class firmware_class = {
 	.name		= "firmware",
+	.class_attrs	= firmware_class_attrs,
 	.dev_uevent	= firmware_uevent,
 	.dev_release	= fw_dev_release,
 };
@@ -370,21 +388,6 @@ static struct bin_attribute firmware_attr_data_tmpl = {
 	.write = firmware_data_write,
 };
 
-static void fw_dev_release(struct device *dev)
-{
-	struct firmware_priv *fw_priv = dev_get_drvdata(dev);
-	int i;
-
-	for (i = 0; i < fw_priv->nr_pages; i++)
-		__free_page(fw_priv->pages[i]);
-	kfree(fw_priv->pages);
-	kfree(fw_priv->fw_id);
-	kfree(fw_priv);
-	kfree(dev);
-
-	module_put(THIS_MODULE);
-}
-
 static void
 firmware_class_timeout(u_long data)
 {
@@ -689,26 +692,12 @@ request_firmware_nowait(
 	return 0;
 }
 
-static int __init
-firmware_class_init(void)
+static int __init firmware_class_init(void)
 {
-	int error;
-	error = class_register(&firmware_class);
-	if (error) {
-		printk(KERN_ERR "%s: class_register failed\n", __func__);
-		return error;
-	}
-	error = class_create_file(&firmware_class, &class_attr_timeout);
-	if (error) {
-		printk(KERN_ERR "%s: class_create_file failed\n",
-		       __func__);
-		class_unregister(&firmware_class);
-	}
-	return error;
-
+	return class_register(&firmware_class);
 }
-static void __exit
-firmware_class_exit(void)
+
+static void __exit firmware_class_exit(void)
 {
 	class_unregister(&firmware_class);
 }

From bcb9bd18e397eabe14b45f4dc4283359ab148d79 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sat, 13 Mar 2010 23:49:18 -0800
Subject: [PATCH 2530/3638] firmware loader: split out builtin firmware
 handling

Split builtin firmware handling into separate functions to clean up the
main body of code.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/firmware_class.c | 76 +++++++++++++++++++++++------------
 1 file changed, 50 insertions(+), 26 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index d351e773f43..c378a355bed 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -27,6 +27,52 @@ MODULE_AUTHOR("Manuel Estrada Sainz");
 MODULE_DESCRIPTION("Multi purpose firmware loading support");
 MODULE_LICENSE("GPL");
 
+/* Builtin firmware support */
+
+#ifdef CONFIG_FW_LOADER
+
+extern struct builtin_fw __start_builtin_fw[];
+extern struct builtin_fw __end_builtin_fw[];
+
+static bool fw_get_builtin_firmware(struct firmware *fw, const char *name)
+{
+	struct builtin_fw *b_fw;
+
+	for (b_fw = __start_builtin_fw; b_fw != __end_builtin_fw; b_fw++) {
+		if (strcmp(name, b_fw->name) == 0) {
+			fw->size = b_fw->size;
+			fw->data = b_fw->data;
+			return true;
+		}
+	}
+
+	return false;
+}
+
+static bool fw_is_builtin_firmware(const struct firmware *fw)
+{
+	struct builtin_fw *b_fw;
+
+	for (b_fw = __start_builtin_fw; b_fw != __end_builtin_fw; b_fw++)
+		if (fw->data == b_fw->data)
+			return true;
+
+	return false;
+}
+
+#else /* Module case - no builtin firmware support */
+
+static inline bool fw_get_builtin_firmware(struct firmware *fw, const char *name)
+{
+	return false;
+}
+
+static inline bool fw_is_builtin_firmware(const struct firmware *fw)
+{
+	return false;
+}
+#endif
+
 enum {
 	FW_STATUS_LOADING,
 	FW_STATUS_DONE,
@@ -53,14 +99,6 @@ struct firmware_priv {
 	bool nowait;
 };
 
-#ifdef CONFIG_FW_LOADER
-extern struct builtin_fw __start_builtin_fw[];
-extern struct builtin_fw __end_builtin_fw[];
-#else /* Module case. Avoid ifdefs later; it'll all optimise out */
-static struct builtin_fw *__start_builtin_fw;
-static struct builtin_fw *__end_builtin_fw;
-#endif
-
 static void
 fw_load_abort(struct firmware_priv *fw_priv)
 {
@@ -497,7 +535,6 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
 	struct device *f_dev;
 	struct firmware_priv *fw_priv;
 	struct firmware *firmware;
-	struct builtin_fw *builtin;
 	int retval;
 
 	if (!firmware_p)
@@ -511,13 +548,8 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
 		goto out;
 	}
 
-	for (builtin = __start_builtin_fw; builtin != __end_builtin_fw;
-	     builtin++) {
-		if (strcmp(name, builtin->name))
-			continue;
+	if (fw_get_builtin_firmware(firmware, name)) {
 		dev_dbg(device, "firmware: using built-in firmware %s\n", name);
-		firmware->size = builtin->size;
-		firmware->data = builtin->data;
 		return 0;
 	}
 
@@ -589,19 +621,11 @@ request_firmware(const struct firmware **firmware_p, const char *name,
  * release_firmware: - release the resource associated with a firmware image
  * @fw: firmware resource to release
  **/
-void
-release_firmware(const struct firmware *fw)
+void release_firmware(const struct firmware *fw)
 {
-	struct builtin_fw *builtin;
-
 	if (fw) {
-		for (builtin = __start_builtin_fw; builtin != __end_builtin_fw;
-		     builtin++) {
-			if (fw->data == builtin->data)
-				goto free_fw;
-		}
-		firmware_free_data(fw);
-	free_fw:
+		if (!fw_is_builtin_firmware(fw))
+			firmware_free_data(fw);
 		kfree(fw);
 	}
 }

From e177123f0c2d77ed2fde724ca352166ca9464619 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sat, 13 Mar 2010 23:49:23 -0800
Subject: [PATCH 2531/3638] firmware loader: do not allocate firmare id
 separately

fw_id has the same life time as firmware_priv so it makes sense to move
it into firmware_priv structure instead of allocating separately.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/firmware_class.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index c378a355bed..d98e424675c 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -86,7 +86,6 @@ static int loading_timeout = 60;	/* In seconds */
 static DEFINE_MUTEX(fw_lock);
 
 struct firmware_priv {
-	char *fw_id;
 	struct completion completion;
 	struct bin_attribute attr_data;
 	struct firmware *fw;
@@ -94,9 +93,9 @@ struct firmware_priv {
 	struct page **pages;
 	int nr_pages;
 	int page_array_size;
-	const char *vdata;
 	struct timer_list timeout;
 	bool nowait;
+	char fw_id[];
 };
 
 static void
@@ -153,7 +152,6 @@ static void fw_dev_release(struct device *dev)
 	for (i = 0; i < fw_priv->nr_pages; i++)
 		__free_page(fw_priv->pages[i]);
 	kfree(fw_priv->pages);
-	kfree(fw_priv->fw_id);
 	kfree(fw_priv);
 	kfree(dev);
 
@@ -437,8 +435,8 @@ static int fw_register_device(struct device **dev_p, const char *fw_name,
 			      struct device *device)
 {
 	int retval;
-	struct firmware_priv *fw_priv = kzalloc(sizeof(*fw_priv),
-						GFP_KERNEL);
+	struct firmware_priv *fw_priv =
+		kzalloc(sizeof(*fw_priv) + strlen(fw_name) + 1 , GFP_KERNEL);
 	struct device *f_dev = kzalloc(sizeof(*f_dev), GFP_KERNEL);
 
 	*dev_p = NULL;
@@ -449,16 +447,9 @@ static int fw_register_device(struct device **dev_p, const char *fw_name,
 		goto error_kfree;
 	}
 
+	strcpy(fw_priv->fw_id, fw_name);
 	init_completion(&fw_priv->completion);
 	fw_priv->attr_data = firmware_attr_data_tmpl;
-	fw_priv->fw_id = kstrdup(fw_name, GFP_KERNEL);
-	if (!fw_priv->fw_id) {
-		dev_err(device, "%s: Firmware name allocation failed\n",
-			__func__);
-		retval = -ENOMEM;
-		goto error_kfree;
-	}
-
 	fw_priv->timeout.function = firmware_class_timeout;
 	fw_priv->timeout.data = (u_long) fw_priv;
 	init_timer(&fw_priv->timeout);

From 6245838fe4d2ce4aab52f543224f7d1212d9155c Mon Sep 17 00:00:00 2001
From: Hugh Daschbach <hdasch@broadcom.com>
Date: Mon, 22 Mar 2010 10:36:37 -0700
Subject: [PATCH 2532/3638] Driver core: Protect device shutdown from hot
 unplug events.

While device_shutdown() walks through devices_kset to shutdown all
devices, device unplug events may race to shutdown individual devices.
Specifically, sd_shutdown(), on behalf of fc_starget_delete(), has
been observed deleting devices during device_shutdown()'s list
traversal.  So we factor out list_for_each_entry_safe_reverse(...) in
favor of while (!list_empty(...)).

Signed-off-by: Hugh Daschbach <hdasch@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/core.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4c5be85016b..356dd011b8f 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1734,10 +1734,25 @@ EXPORT_SYMBOL_GPL(device_move);
  */
 void device_shutdown(void)
 {
-	struct device *dev, *devn;
+	struct device *dev;
+
+	spin_lock(&devices_kset->list_lock);
+	/*
+	 * Walk the devices list backward, shutting down each in turn.
+	 * Beware that device unplug events may also start pulling
+	 * devices offline, even as the system is shutting down.
+	 */
+	while (!list_empty(&devices_kset->list)) {
+		dev = list_entry(devices_kset->list.prev, struct device,
+				kobj.entry);
+		get_device(dev);
+		/*
+		 * Make sure the device is off the kset list, in the
+		 * event that dev->*->shutdown() doesn't remove it.
+		 */
+		list_del_init(&dev->kobj.entry);
+		spin_unlock(&devices_kset->list_lock);
 
-	list_for_each_entry_safe_reverse(dev, devn, &devices_kset->list,
-				kobj.entry) {
 		if (dev->bus && dev->bus->shutdown) {
 			dev_dbg(dev, "shutdown\n");
 			dev->bus->shutdown(dev);
@@ -1745,6 +1760,10 @@ void device_shutdown(void)
 			dev_dbg(dev, "shutdown\n");
 			dev->driver->shutdown(dev);
 		}
+		put_device(dev);
+
+		spin_lock(&devices_kset->list_lock);
 	}
+	spin_unlock(&devices_kset->list_lock);
 	async_synchronize_full();
 }

From c3473c63542d53740f175f3a515257ae159e998b Mon Sep 17 00:00:00 2001
From: David Zeuthen <davidz@redhat.com>
Date: Mon, 3 May 2010 14:08:59 +0200
Subject: [PATCH 2533/3638] generate "change" uevent for loop device

Recent udev versions probe loop devices for filesystems meaning that
the /dev/disk hierarchy may contain useful entries such as

 $ ls -l /dev/disk/by-label/Fedora-12-x86_64-Live
 lrwxrwxrwx 1 root root 11 Mar 11 13:41 /dev/disk/by-label/Fedora-12-x86_64-Live -> ../../loop0

Unfortunately, no "change" uevent is generated when the loop device is
detached so the symlink persists. Additionally, no "change" uevent is
guaranteed to be generated when attaching an fd or changing capacity.
For example,  user space could open the loop device O_RDONLY (in fact,
recent util-linux-ng does this) so udev's OPTIONS+="watch" machinery may
not trigger the "change" uevent.

This patch ensures that the "change" uevent is generated in all of
these cases. As a result, the /dev/disk hierarchy works as expected
for loop devices.

Signed-off-by: David Zeuthen <davidz@redhat.com>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/block/loop.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 8546d123b9a..a90e83c9be9 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -835,6 +835,8 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
 
 	set_capacity(lo->lo_disk, size);
 	bd_set_size(bdev, size << 9);
+	/* let user-space know about the new size */
+	kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
 
 	set_blocksize(bdev, lo_blocksize);
 
@@ -858,6 +860,7 @@ out_clr:
 	set_capacity(lo->lo_disk, 0);
 	invalidate_bdev(bdev);
 	bd_set_size(bdev, 0);
+	kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
 	mapping_set_gfp_mask(mapping, lo->old_gfp_mask);
 	lo->lo_state = Lo_unbound;
  out_putf:
@@ -944,8 +947,11 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
 	if (bdev)
 		invalidate_bdev(bdev);
 	set_capacity(lo->lo_disk, 0);
-	if (bdev)
+	if (bdev) {
 		bd_set_size(bdev, 0);
+		/* let user-space know about this change */
+		kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
+	}
 	mapping_set_gfp_mask(filp->f_mapping, gfp);
 	lo->lo_state = Lo_unbound;
 	/* This is safe: open() is still holding a reference. */
@@ -1189,6 +1195,8 @@ static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev)
 	sz <<= 9;
 	mutex_lock(&bdev->bd_mutex);
 	bd_set_size(bdev, sz);
+	/* let user-space know about the new size */
+	kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
 	mutex_unlock(&bdev->bd_mutex);
 
  out:

From 9e7fdd25b21ebf50713dfb7702af57c270e5572a Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 30 Mar 2010 11:31:24 -0700
Subject: [PATCH 2534/3638] sysfs: Basic support for multiple super blocks

Add all of the necessary bioler plate to support
multiple superblocks in sysfs.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 fs/sysfs/mount.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++--
 fs/sysfs/sysfs.h |  3 +++
 2 files changed, 59 insertions(+), 2 deletions(-)

diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 776137828dc..db0b1f2138a 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -72,16 +72,70 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
 	return 0;
 }
 
+static int sysfs_test_super(struct super_block *sb, void *data)
+{
+	struct sysfs_super_info *sb_info = sysfs_info(sb);
+	struct sysfs_super_info *info = data;
+	int found = 1;
+	return found;
+}
+
+static int sysfs_set_super(struct super_block *sb, void *data)
+{
+	int error;
+	error = set_anon_super(sb, data);
+	if (!error)
+		sb->s_fs_info = data;
+	return error;
+}
+
 static int sysfs_get_sb(struct file_system_type *fs_type,
 	int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
-	return get_sb_single(fs_type, flags, data, sysfs_fill_super, mnt);
+	struct sysfs_super_info *info;
+	struct super_block *sb;
+	int error;
+
+	error = -ENOMEM;
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	if (!info)
+		goto out;
+	sb = sget(fs_type, sysfs_test_super, sysfs_set_super, info);
+	if (IS_ERR(sb) || sb->s_fs_info != info)
+		kfree(info);
+	if (IS_ERR(sb)) {
+		kfree(info);
+		error = PTR_ERR(sb);
+		goto out;
+	}
+	if (!sb->s_root) {
+		sb->s_flags = flags;
+		error = sysfs_fill_super(sb, data, flags & MS_SILENT ? 1 : 0);
+		if (error) {
+			deactivate_locked_super(sb);
+			goto out;
+		}
+		sb->s_flags |= MS_ACTIVE;
+	}
+
+	simple_set_mnt(mnt, sb);
+	error = 0;
+out:
+	return error;
+}
+
+static void sysfs_kill_sb(struct super_block *sb)
+{
+	struct sysfs_super_info *info = sysfs_info(sb);
+
+	kill_anon_super(sb);
+	kfree(info);
 }
 
 static struct file_system_type sysfs_fs_type = {
 	.name		= "sysfs",
 	.get_sb		= sysfs_get_sb,
-	.kill_sb	= kill_anon_super,
+	.kill_sb	= sysfs_kill_sb,
 };
 
 int __init sysfs_init(void)
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 30f5a44fb5d..030a39dbb02 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -114,6 +114,9 @@ struct sysfs_addrm_cxt {
 /*
  * mount.c
  */
+struct sysfs_super_info {
+};
+#define sysfs_info(SB) ((struct sysfs_super_info *)(SB->s_fs_info))
 extern struct sysfs_dirent sysfs_root;
 extern struct kmem_cache *sysfs_dir_cachep;
 

From af10ec77b43335ab4e473e4087d85979caf02d65 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@maxwell.aristanetworks.com>
Date: Tue, 30 Mar 2010 11:31:27 -0700
Subject: [PATCH 2535/3638] sysfs: Add support for tagged directories with
 untagged members.

I had hopped to avoid this but the bonding driver adds a file
to /sys/class/net/  and the easiest way to handle that file is
to make it untagged and to register it only once.

So relax the rules on tagged directories, and make bonding work.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 fs/sysfs/dir.c   | 12 +++---------
 fs/sysfs/inode.c |  2 ++
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index b2b83067ccc..a63eb4ba786 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -383,12 +383,6 @@ int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
 	if (sysfs_find_dirent(acxt->parent_sd, sd->s_ns, sd->s_name))
 		return -EEXIST;
 
-	if (sysfs_ns_type(acxt->parent_sd) && !sd->s_ns) {
-		WARN(1, KERN_WARNING "sysfs: ns required in '%s' for '%s'\n",
-			acxt->parent_sd->s_name, sd->s_name);
-		return -EINVAL;
-	}
-
 	sd->s_parent = sysfs_get(acxt->parent_sd);
 
 	sysfs_link_sibling(sd);
@@ -545,7 +539,7 @@ struct sysfs_dirent *sysfs_find_dirent(struct sysfs_dirent *parent_sd,
 	struct sysfs_dirent *sd;
 
 	for (sd = parent_sd->s_dir.children; sd; sd = sd->s_sibling) {
-		if (sd->s_ns != ns)
+		if (ns && sd->s_ns && (sd->s_ns != ns))
 			continue;
 		if (!strcmp(sd->s_name, name))
 			return sd;
@@ -879,7 +873,7 @@ static struct sysfs_dirent *sysfs_dir_pos(const void *ns,
 		while (pos && (ino > pos->s_ino))
 			pos = pos->s_sibling;
 	}
-	while (pos && pos->s_ns != ns)
+	while (pos && pos->s_ns && pos->s_ns != ns)
 		pos = pos->s_sibling;
 	return pos;
 }
@@ -890,7 +884,7 @@ static struct sysfs_dirent *sysfs_dir_next_pos(const void *ns,
 	pos = sysfs_dir_pos(ns, parent_sd, ino, pos);
 	if (pos)
 		pos = pos->s_sibling;
-	while (pos && pos->s_ns != ns)
+	while (pos && pos->s_ns && pos->s_ns != ns)
 		pos = pos->s_sibling;
 	return pos;
 }
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index cf2bad1462e..bbd77e95cf7 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -335,6 +335,8 @@ int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const void *ns, const cha
 	sysfs_addrm_start(&acxt, dir_sd);
 
 	sd = sysfs_find_dirent(dir_sd, ns, name);
+	if (sd && (sd->s_ns != ns))
+		sd = NULL;
 	if (sd)
 		sysfs_remove_one(&acxt, sd);
 

From 746edb7ae8a1abdd39be2b28c03aa073183340db Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 30 Mar 2010 11:31:28 -0700
Subject: [PATCH 2536/3638] sysfs: Implement sysfs_delete_link

When removing a symlink sysfs_remove_link does not provide
enough information to figure out which tagged directory the symlink
falls in.  So I need sysfs_delete_link which is passed the target
of the symlink to delete.

sysfs_rename_link is updated to call sysfs_delete_link instead
of sysfs_remove_link as we have all of the information necessary
and the callers are interesting.

Both of these functions now have enough information to find a symlink
in a tagged directory.  The only restriction is that they must be called
before the target kobject is renamed or deleted.  If they are called
later I loose track of which tag the target kobject was marked with
and can no longer find the old symlink to remove it.

This patch was split from an earlier patch.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 fs/sysfs/symlink.c    | 20 ++++++++++++++++++++
 include/linux/sysfs.h |  8 ++++++++
 2 files changed, 28 insertions(+)

diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index b6ebdaa00f3..f71246bebfe 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -108,6 +108,26 @@ int sysfs_create_link_nowarn(struct kobject *kobj, struct kobject *target,
 	return sysfs_do_create_link(kobj, target, name, 0);
 }
 
+/**
+ *	sysfs_delete_link - remove symlink in object's directory.
+ *	@kobj:	object we're acting for.
+ *	@targ:	object we're pointing to.
+ *	@name:	name of the symlink to remove.
+ *
+ *	Unlike sysfs_remove_link sysfs_delete_link has enough information
+ *	to successfully delete symlinks in tagged directories.
+ */
+void sysfs_delete_link(struct kobject *kobj, struct kobject *targ,
+			const char *name)
+{
+	const void *ns = NULL;
+	spin_lock(&sysfs_assoc_lock);
+	if (targ->sd)
+		ns = targ->sd->s_ns;
+	spin_unlock(&sysfs_assoc_lock);
+	sysfs_hash_and_remove(kobj->sd, ns, name);
+}
+
 /**
  *	sysfs_remove_link - remove symlink in object's directory.
  *	@kobj:	object we're acting for.
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 1885d21b0c8..976c4664b21 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -155,6 +155,9 @@ void sysfs_remove_link(struct kobject *kobj, const char *name);
 int sysfs_rename_link(struct kobject *kobj, struct kobject *target,
 			const char *old_name, const char *new_name);
 
+void sysfs_delete_link(struct kobject *dir, struct kobject *targ,
+			const char *name);
+
 int __must_check sysfs_create_group(struct kobject *kobj,
 				    const struct attribute_group *grp);
 int sysfs_update_group(struct kobject *kobj,
@@ -269,6 +272,11 @@ static inline int sysfs_rename_link(struct kobject *k, struct kobject *t,
 	return 0;
 }
 
+static inline void sysfs_delete_link(struct kobject *k, struct kobject *t,
+				     const char *name)
+{
+}
+
 static inline int sysfs_create_group(struct kobject *kobj,
 				     const struct attribute_group *grp)
 {

From f349cf34731c3b3eddbcd63cb04489aee2c405bd Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 30 Mar 2010 11:31:29 -0700
Subject: [PATCH 2537/3638] driver core: Implement ns directory support for
 device classes.

device_del and device_rename were modified to use
sysfs_delete_link and sysfs_rename_link respectively to ensure
when these operations happen on devices whose classes
are in namespace directories they work properly.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/core.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index f0699918e2f..17e7d5048b8 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -786,7 +786,7 @@ out_device:
 out_busid:
 	if (dev->kobj.parent != &dev->class->p->class_subsys.kobj &&
 	    device_is_not_partition(dev))
-		sysfs_remove_link(&dev->class->p->class_subsys.kobj,
+		sysfs_delete_link(&dev->class->p->class_subsys.kobj, &dev->kobj,
 				  dev_name(dev));
 #else
 	/* link in the class directory pointing to the device */
@@ -804,7 +804,7 @@ out_busid:
 	return 0;
 
 out_busid:
-	sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev_name(dev));
+	sysfs_delete_link(&dev->class->p->class_subsys.kobj, &dev->kobj, dev_name(dev));
 #endif
 
 out_subsys:
@@ -832,13 +832,13 @@ static void device_remove_class_symlinks(struct device *dev)
 
 	if (dev->kobj.parent != &dev->class->p->class_subsys.kobj &&
 	    device_is_not_partition(dev))
-		sysfs_remove_link(&dev->class->p->class_subsys.kobj,
+		sysfs_delete_link(&dev->class->p->class_subsys.kobj, &dev->kobj,
 				  dev_name(dev));
 #else
 	if (dev->parent && device_is_not_partition(dev))
 		sysfs_remove_link(&dev->kobj, "device");
 
-	sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev_name(dev));
+	sysfs_delete_link(&dev->class->p->class_subsys.kobj, &dev->kobj, dev_name(dev));
 #endif
 
 	sysfs_remove_link(&dev->kobj, "subsystem");
@@ -1624,6 +1624,14 @@ int device_rename(struct device *dev, char *new_name)
 		goto out;
 	}
 
+#ifndef CONFIG_SYSFS_DEPRECATED
+	if (dev->class) {
+		error = sysfs_rename_link(&dev->class->p->class_subsys.kobj,
+			&dev->kobj, old_device_name, new_name);
+		if (error)
+			goto out;
+	}
+#endif
 	error = kobject_rename(&dev->kobj, new_name);
 	if (error)
 		goto out;
@@ -1638,11 +1646,6 @@ int device_rename(struct device *dev, char *new_name)
 						  new_class_name);
 		}
 	}
-#else
-	if (dev->class) {
-		error = sysfs_rename_link(&dev->class->p->class_subsys.kobj,
-					  &dev->kobj, old_device_name, new_name);
-	}
 #endif
 
 out:

From be867b194a3ae3c680c29521287ae49b4d44d420 Mon Sep 17 00:00:00 2001
From: "Serge E. Hallyn" <serue@us.ibm.com>
Date: Mon, 3 May 2010 16:23:15 -0500
Subject: [PATCH 2538/3638] sysfs: Comment sysfs directory tagging logic

Add some in-line comments to explain the new infrastructure, which
was introduced to support sysfs directory tagging with namespaces.
I think an overall description someplace might be good too, but it
didn't really seem to fit into Documentation/filesystems/sysfs.txt,
which appears more geared toward users, rather than maintainers, of
sysfs.

(Tejun, please let me know if I can make anything clearer or failed
altogether to comment something that should be commented.)

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 fs/sysfs/dir.c          |  8 ++++++++
 fs/sysfs/sysfs.h        | 13 ++++++++++++-
 include/linux/kobject.h | 11 +++++++++++
 include/linux/sysfs.h   |  1 +
 lib/kobject.c           | 11 +++++++++++
 5 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index a63eb4ba786..7e54bac8c4b 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -614,6 +614,14 @@ int sysfs_create_subdir(struct kobject *kobj, const char *name,
 			  KOBJ_NS_TYPE_NONE, NULL, name, p_sd);
 }
 
+/**
+ *	sysfs_read_ns_type: return associated ns_type
+ *	@kobj: the kobject being queried
+ *
+ *	Each kobject can be tagged with exactly one namespace type
+ *	(i.e. network or user).  Return the ns_type associated with
+ *	this object if any
+ */
 static enum kobj_ns_type sysfs_read_ns_type(struct kobject *kobj)
 {
 	const struct kobj_ns_type_operations *ops;
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 93847d54c2e..6a13105b559 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -58,7 +58,7 @@ struct sysfs_dirent {
 	struct sysfs_dirent	*s_sibling;
 	const char		*s_name;
 
-	const void		*s_ns;
+	const void		*s_ns; /* namespace tag */
 	union {
 		struct sysfs_elem_dir		s_dir;
 		struct sysfs_elem_symlink	s_symlink;
@@ -82,6 +82,7 @@ struct sysfs_dirent {
 #define SYSFS_COPY_NAME			(SYSFS_DIR | SYSFS_KOBJ_LINK)
 #define SYSFS_ACTIVE_REF		(SYSFS_KOBJ_ATTR | SYSFS_KOBJ_BIN_ATTR)
 
+/* identify any namespace tag on sysfs_dirents */
 #define SYSFS_NS_TYPE_MASK		0xff00
 #define SYSFS_NS_TYPE_SHIFT		8
 
@@ -93,6 +94,10 @@ static inline unsigned int sysfs_type(struct sysfs_dirent *sd)
 	return sd->s_flags & SYSFS_TYPE_MASK;
 }
 
+/*
+ * Return any namespace tags on this dirent.
+ * enum kobj_ns_type is defined in linux/kobject.h
+ */
 static inline enum kobj_ns_type sysfs_ns_type(struct sysfs_dirent *sd)
 {
 	return (sd->s_flags & SYSFS_NS_TYPE_MASK) >> SYSFS_NS_TYPE_SHIFT;
@@ -123,6 +128,12 @@ struct sysfs_addrm_cxt {
 /*
  * mount.c
  */
+
+/*
+ * Each sb is associated with a set of namespace tags (i.e.
+ * the network namespace of the task which mounted this sysfs
+ * instance).
+ */
 struct sysfs_super_info {
 	const void *ns[KOBJ_NS_TYPES];
 };
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index d9456f69904..b60d2dfe4e6 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -136,12 +136,23 @@ struct kobj_attribute {
 
 extern const struct sysfs_ops kobj_sysfs_ops;
 
+/*
+ * Namespace types which are used to tag kobjects and sysfs entries.
+ * Network namespace will likely be the first.
+ */
 enum kobj_ns_type {
 	KOBJ_NS_TYPE_NONE = 0,
 	KOBJ_NS_TYPES
 };
 
 struct sock;
+
+/*
+ * Callbacks so sysfs can determine namespaces
+ *   @current_ns: return calling task's namespace
+ *   @netlink_ns: return namespace to which a sock belongs (right?)
+ *   @initial_ns: return the initial namespace (i.e. init_net_ns)
+ */
 struct kobj_ns_type_operations {
 	enum kobj_ns_type type;
 	const void *(*current_ns)(void);
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 976c4664b21..47f1c95b529 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -178,6 +178,7 @@ struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd);
 void sysfs_put(struct sysfs_dirent *sd);
 void sysfs_printk_last_file(void);
 
+/* Called to clear a ns tag when it is no longer valid */
 void sysfs_exit_ns(enum kobj_ns_type type, const void *tag);
 
 int __must_check sysfs_init(void);
diff --git a/lib/kobject.c b/lib/kobject.c
index b2c6d1f56e6..f07c57252e8 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -948,6 +948,17 @@ const void *kobj_ns_initial(enum kobj_ns_type type)
 	return ns;
 }
 
+/*
+ * kobj_ns_exit - invalidate a namespace tag
+ *
+ * @type: the namespace type (i.e. KOBJ_NS_TYPE_NET)
+ * @ns: the actual namespace being invalidated
+ *
+ * This is called when a tag is no longer valid.  For instance,
+ * when a network namespace exits, it uses this helper to
+ * make sure no sb's sysfs_info points to the now-invalidated
+ * netns.
+ */
 void kobj_ns_exit(enum kobj_ns_type type, const void *ns)
 {
 	sysfs_exit_ns(type, ns);

From b9d8b45ee3c5f62cdbd34ee006f3dd2ac51f7018 Mon Sep 17 00:00:00 2001
From: "Serge E. Hallyn" <serue@us.ibm.com>
Date: Tue, 4 May 2010 21:45:38 -0500
Subject: [PATCH 2539/3638] sysfs-namespaces: add a high-level Documentation
 file

The first three paragraphs are almost verbatim taken from Eric's
commit message on the patch introducing network ns tags.  The next
two paragraphs I wrote to be a brief high level overview.  The last
section is taken from the commit message on "Implement sysfs tagged
directory support", but updated.  Hopefully correctly.

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/filesystems/sysfs-tagging.txt | 42 +++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/filesystems/sysfs-tagging.txt

diff --git a/Documentation/filesystems/sysfs-tagging.txt b/Documentation/filesystems/sysfs-tagging.txt
new file mode 100644
index 00000000000..caaaf1266d8
--- /dev/null
+++ b/Documentation/filesystems/sysfs-tagging.txt
@@ -0,0 +1,42 @@
+Sysfs tagging
+-------------
+
+(Taken almost verbatim from Eric Biederman's netns tagging patch
+commit msg)
+
+The problem.  Network devices show up in sysfs and with the network
+namespace active multiple devices with the same name can show up in
+the same directory, ouch!
+
+To avoid that problem and allow existing applications in network
+namespaces to see the same interface that is currently presented in
+sysfs, sysfs now has tagging directory support.
+
+By using the network namespace pointers as tags to separate out the
+the sysfs directory entries we ensure that we don't have conflicts
+in the directories and applications only see a limited set of
+the network devices.
+
+Each sysfs directory entry may be tagged with zero or one
+namespaces.  A sysfs_dirent is augmented with a void *s_ns.  If a
+directory entry is tagged, then sysfs_dirent->s_flags will have a
+flag between KOBJ_NS_TYPE_NONE and KOBJ_NS_TYPES, and s_ns will
+point to the namespace to which it belongs.
+
+Each sysfs superblock's sysfs_super_info contains an array void
+*ns[KOBJ_NS_TYPES].  When a a task in a tagging namespace
+kobj_nstype first mounts sysfs, a new superblock is created.  It
+will be differentiated from other sysfs mounts by having its
+s_fs_info->ns[kobj_nstype] set to the new namespace.  Note that
+through bind mounting and mounts propagation, a task can easily view
+the contents of other namespaces' sysfs mounts.  Therefore, when a
+namespace exits, it will call kobj_ns_exit() to invalidate any
+sysfs_dirent->s_ns pointers pointing to it.
+
+Users of this interface:
+- define a type in the kobj_ns_type enumeration.
+- call kobj_ns_type_register() with its kobj_ns_type_operations which has
+  - current_ns() which returns current's namespace
+  - netlink_ns() which returns a socket's namespace
+  - initial_ns() which returns the initial namesapce
+- call kobj_ns_exit() when an individual tag is no longer valid

From 27eabc7cb4b357c68e4ce77d0b014f7a23add752 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Wed, 5 May 2010 14:54:00 -0700
Subject: [PATCH 2540/3638] sysfs: Don't use enums in inline function
 declaration.

It appears gcc can't cope with using an enum that is only declared in
an inline function declaration, that doesn't even use the variable
that is so declared.

Avoid the silliness and replace the enum with an int, and make gcc
happy.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/sysfs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 47f1c95b529..6903e920403 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -328,7 +328,7 @@ static inline void sysfs_put(struct sysfs_dirent *sd)
 {
 }
 
-static inline void sysfs_exit_ns(enum kobj_ns_type type, const void *tag)
+static inline void sysfs_exit_ns(int type, const void *tag)
 {
 }
 

From ba514a57f5c38d9d79ea15e75059e07f49238726 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 30 Mar 2010 16:50:26 -0700
Subject: [PATCH 2541/3638] sysfs: Remove double free sysfs_get_sb

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 fs/sysfs/mount.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index db0b1f2138a..50e4fb6a740 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -104,7 +104,6 @@ static int sysfs_get_sb(struct file_system_type *fs_type,
 	if (IS_ERR(sb) || sb->s_fs_info != info)
 		kfree(info);
 	if (IS_ERR(sb)) {
-		kfree(info);
 		error = PTR_ERR(sb);
 		goto out;
 	}

From 68d75ed4b84a0806ecd4bc14da4759713b23a532 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@aristanetworks.com>
Date: Tue, 18 May 2010 12:58:33 -0700
Subject: [PATCH 2542/3638] sysfs: Remove usage of S_BIAS to avoid merge
 conflict with the vfs tree

In Al's latest vfs tree the code is reworked and S_BIAS has been removed.

It turns out that checking to see if a super block is in the
middle of an unmount in sysfs_exit_ns is unnecessary because we
remove the super_block from the s_supers/s_instances list before
struct sysfs_super_info pointed to by sb->s_fs_info is freed.

For now just delete the unnecessary check to see if a superblock is in the
middle of an unmount, it isn't necessary with or without Al's changes
and it just causes a needless conflict.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 fs/sysfs/mount.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 1afa32ba242..281c0c9bc39 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -138,6 +138,9 @@ static void sysfs_kill_sb(struct super_block *sb)
 {
 	struct sysfs_super_info *info = sysfs_info(sb);
 
+	/* Remove the superblock from fs_supers/s_instances
+	 * so we can't find it, before freeing sysfs_super_info.
+	 */
 	kill_anon_super(sb);
 	kfree(info);
 }
@@ -156,9 +159,11 @@ void sysfs_exit_ns(enum kobj_ns_type type, const void *ns)
 	spin_lock(&sb_lock);
 	list_for_each_entry(sb, &sysfs_fs_type.fs_supers, s_instances) {
 		struct sysfs_super_info *info = sysfs_info(sb);
-		/* Ignore superblocks that are in the process of unmounting */
-		if (sb->s_count <= S_BIAS)
-			continue;
+		/*
+		 * If we see a superblock on the fs_supers/s_instances
+		 * list the unmount has not completed and sb->s_fs_info
+		 * points to a valid struct sysfs_super_info.
+		 */
 		/* Ignore superblocks with the wrong ns */
 		if (info->ns[type] != ns)
 			continue;

From bc451f2058238013e1cdf4acd443c01734d332f0 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 30 Mar 2010 11:31:25 -0700
Subject: [PATCH 2543/3638] kobj: Add basic infrastructure for dealing with
 namespaces.

Move complete knowledge of namespaces into the kobject layer
so we can use that information when reporting kobjects to
userspace.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/class.c    |   9 ++++
 drivers/base/core.c     |  77 ++++++++++++++++++++++++------
 include/linux/device.h  |   3 ++
 include/linux/kobject.h |  26 ++++++++++
 lib/kobject.c           | 103 ++++++++++++++++++++++++++++++++++++++++
 5 files changed, 204 insertions(+), 14 deletions(-)

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 9c6a0d6408e..8e231d05b40 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -63,6 +63,14 @@ static void class_release(struct kobject *kobj)
 	kfree(cp);
 }
 
+static const struct kobj_ns_type_operations *class_child_ns_type(struct kobject *kobj)
+{
+	struct class_private *cp = to_class(kobj);
+	struct class *class = cp->class;
+
+	return class->ns_type;
+}
+
 static const struct sysfs_ops class_sysfs_ops = {
 	.show	= class_attr_show,
 	.store	= class_attr_store,
@@ -71,6 +79,7 @@ static const struct sysfs_ops class_sysfs_ops = {
 static struct kobj_type class_ktype = {
 	.sysfs_ops	= &class_sysfs_ops,
 	.release	= class_release,
+	.child_ns_type	= class_child_ns_type,
 };
 
 /* Hotplug events for classes go to the class class_subsys */
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 356dd011b8f..f0699918e2f 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -131,9 +131,21 @@ static void device_release(struct kobject *kobj)
 	kfree(p);
 }
 
+static const void *device_namespace(struct kobject *kobj)
+{
+	struct device *dev = to_dev(kobj);
+	const void *ns = NULL;
+
+	if (dev->class && dev->class->ns_type)
+		ns = dev->class->namespace(dev);
+
+	return ns;
+}
+
 static struct kobj_type device_ktype = {
 	.release	= device_release,
 	.sysfs_ops	= &dev_sysfs_ops,
+	.namespace	= device_namespace,
 };
 
 
@@ -595,11 +607,59 @@ static struct kobject *virtual_device_parent(struct device *dev)
 	return virtual_dir;
 }
 
+struct class_dir {
+	struct kobject kobj;
+	struct class *class;
+};
+
+#define to_class_dir(obj) container_of(obj, struct class_dir, kobj)
+
+static void class_dir_release(struct kobject *kobj)
+{
+	struct class_dir *dir = to_class_dir(kobj);
+	kfree(dir);
+}
+
+static const
+struct kobj_ns_type_operations *class_dir_child_ns_type(struct kobject *kobj)
+{
+	struct class_dir *dir = to_class_dir(kobj);
+	return dir->class->ns_type;
+}
+
+static struct kobj_type class_dir_ktype = {
+	.release	= class_dir_release,
+	.sysfs_ops	= &kobj_sysfs_ops,
+	.child_ns_type	= class_dir_child_ns_type
+};
+
+static struct kobject *
+class_dir_create_and_add(struct class *class, struct kobject *parent_kobj)
+{
+	struct class_dir *dir;
+	int retval;
+
+	dir = kzalloc(sizeof(*dir), GFP_KERNEL);
+	if (!dir)
+		return NULL;
+
+	dir->class = class;
+	kobject_init(&dir->kobj, &class_dir_ktype);
+
+	dir->kobj.kset = &class->p->class_dirs;
+
+	retval = kobject_add(&dir->kobj, parent_kobj, "%s", class->name);
+	if (retval < 0) {
+		kobject_put(&dir->kobj);
+		return NULL;
+	}
+	return &dir->kobj;
+}
+
+
 static struct kobject *get_device_parent(struct device *dev,
 					 struct device *parent)
 {
-	int retval;
-
 	if (dev->class) {
 		static DEFINE_MUTEX(gdp_mutex);
 		struct kobject *kobj = NULL;
@@ -634,18 +694,7 @@ static struct kobject *get_device_parent(struct device *dev,
 		}
 
 		/* or create a new class-directory at the parent device */
-		k = kobject_create();
-		if (!k) {
-			mutex_unlock(&gdp_mutex);
-			return NULL;
-		}
-		k->kset = &dev->class->p->class_dirs;
-		retval = kobject_add(k, parent_kobj, "%s", dev->class->name);
-		if (retval < 0) {
-			mutex_unlock(&gdp_mutex);
-			kobject_put(k);
-			return NULL;
-		}
+		k = class_dir_create_and_add(dev->class, parent_kobj);
 		/* do not emit an uevent for this simple "glue" directory */
 		mutex_unlock(&gdp_mutex);
 		return k;
diff --git a/include/linux/device.h b/include/linux/device.h
index 6f9619190aa..7bb9f426f3e 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -202,6 +202,9 @@ struct class {
 	int (*suspend)(struct device *dev, pm_message_t state);
 	int (*resume)(struct device *dev);
 
+	const struct kobj_ns_type_operations *ns_type;
+	const void *(*namespace)(struct device *dev);
+
 	const struct dev_pm_ops *pm;
 
 	struct class_private *p;
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 3950d3c2850..d9456f69904 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -108,6 +108,8 @@ struct kobj_type {
 	void (*release)(struct kobject *kobj);
 	const struct sysfs_ops *sysfs_ops;
 	struct attribute **default_attrs;
+	const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj);
+	const void *(*namespace)(struct kobject *kobj);
 };
 
 struct kobj_uevent_env {
@@ -134,6 +136,30 @@ struct kobj_attribute {
 
 extern const struct sysfs_ops kobj_sysfs_ops;
 
+enum kobj_ns_type {
+	KOBJ_NS_TYPE_NONE = 0,
+	KOBJ_NS_TYPES
+};
+
+struct sock;
+struct kobj_ns_type_operations {
+	enum kobj_ns_type type;
+	const void *(*current_ns)(void);
+	const void *(*netlink_ns)(struct sock *sk);
+	const void *(*initial_ns)(void);
+};
+
+int kobj_ns_type_register(const struct kobj_ns_type_operations *ops);
+int kobj_ns_type_registered(enum kobj_ns_type type);
+const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent);
+const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj);
+
+const void *kobj_ns_current(enum kobj_ns_type type);
+const void *kobj_ns_netlink(enum kobj_ns_type type, struct sock *sk);
+const void *kobj_ns_initial(enum kobj_ns_type type);
+void kobj_ns_exit(enum kobj_ns_type type, const void *ns);
+
+
 /**
  * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem.
  *
diff --git a/lib/kobject.c b/lib/kobject.c
index 8115eb1bbf4..bbb2bb40ee1 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -850,6 +850,109 @@ struct kset *kset_create_and_add(const char *name,
 }
 EXPORT_SYMBOL_GPL(kset_create_and_add);
 
+
+static DEFINE_SPINLOCK(kobj_ns_type_lock);
+static const struct kobj_ns_type_operations *kobj_ns_ops_tbl[KOBJ_NS_TYPES];
+
+int kobj_ns_type_register(const struct kobj_ns_type_operations *ops)
+{
+	enum kobj_ns_type type = ops->type;
+	int error;
+
+	spin_lock(&kobj_ns_type_lock);
+
+	error = -EINVAL;
+	if (type >= KOBJ_NS_TYPES)
+		goto out;
+
+	error = -EINVAL;
+	if (type <= KOBJ_NS_TYPE_NONE)
+		goto out;
+
+	error = -EBUSY;
+	if (kobj_ns_ops_tbl[type])
+		goto out;
+
+	error = 0;
+	kobj_ns_ops_tbl[type] = ops;
+
+out:
+	spin_unlock(&kobj_ns_type_lock);
+	return error;
+}
+
+int kobj_ns_type_registered(enum kobj_ns_type type)
+{
+	int registered = 0;
+
+	spin_lock(&kobj_ns_type_lock);
+	if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES))
+		registered = kobj_ns_ops_tbl[type] != NULL;
+	spin_unlock(&kobj_ns_type_lock);
+
+	return registered;
+}
+
+const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent)
+{
+	const struct kobj_ns_type_operations *ops = NULL;
+
+	if (parent && parent->ktype->child_ns_type)
+		ops = parent->ktype->child_ns_type(parent);
+
+	return ops;
+}
+
+const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)
+{
+	return kobj_child_ns_ops(kobj->parent);
+}
+
+
+const void *kobj_ns_current(enum kobj_ns_type type)
+{
+	const void *ns = NULL;
+
+	spin_lock(&kobj_ns_type_lock);
+	if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES) &&
+	    kobj_ns_ops_tbl[type])
+		ns = kobj_ns_ops_tbl[type]->current_ns();
+	spin_unlock(&kobj_ns_type_lock);
+
+	return ns;
+}
+
+const void *kobj_ns_netlink(enum kobj_ns_type type, struct sock *sk)
+{
+	const void *ns = NULL;
+
+	spin_lock(&kobj_ns_type_lock);
+	if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES) &&
+	    kobj_ns_ops_tbl[type])
+		ns = kobj_ns_ops_tbl[type]->netlink_ns(sk);
+	spin_unlock(&kobj_ns_type_lock);
+
+	return ns;
+}
+
+const void *kobj_ns_initial(enum kobj_ns_type type)
+{
+	const void *ns = NULL;
+
+	spin_lock(&kobj_ns_type_lock);
+	if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES) &&
+	    kobj_ns_ops_tbl[type])
+		ns = kobj_ns_ops_tbl[type]->initial_ns();
+	spin_unlock(&kobj_ns_type_lock);
+
+	return ns;
+}
+
+void kobj_ns_exit(enum kobj_ns_type type, const void *ns)
+{
+}
+
+
 EXPORT_SYMBOL(kobject_get);
 EXPORT_SYMBOL(kobject_put);
 EXPORT_SYMBOL(kobject_del);

From 2c3c8bea608866d8bd9dcf92657d57fdcac011c5 Mon Sep 17 00:00:00 2001
From: Chris Wright <chrisw@sous-sol.org>
Date: Wed, 12 May 2010 18:28:57 -0700
Subject: [PATCH 2544/3638] sysfs: add struct file* to bin_attr callbacks

This allows bin_attr->read,write,mmap callbacks to check file specific data
(such as inode owner) as part of any privilege validation.

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 arch/alpha/kernel/pci-sysfs.c        |  8 ++++--
 arch/mips/txx9/generic/setup.c       |  4 +--
 arch/powerpc/sysdev/mv64x60_pci.c    |  4 +--
 arch/s390/kernel/ipl.c               | 14 ++++++----
 drivers/acpi/system.c                |  2 +-
 drivers/base/firmware_class.c        | 11 +++++---
 drivers/firmware/dcdbas.c            |  4 +--
 drivers/firmware/dell_rbu.c          | 10 +++----
 drivers/firmware/efivars.c           |  4 +--
 drivers/gpu/drm/drm_sysfs.c          |  5 ++--
 drivers/misc/c2port/core.c           |  4 +--
 drivers/misc/ds1682.c                |  6 ++--
 drivers/misc/eeprom/at24.c           |  6 ++--
 drivers/misc/eeprom/at25.c           |  6 ++--
 drivers/misc/eeprom/eeprom.c         |  3 +-
 drivers/misc/eeprom/max6875.c        |  2 +-
 drivers/net/netxen/netxen_nic_main.c | 11 +++++---
 drivers/net/qlcnic/qlcnic_main.c     | 12 +++++---
 drivers/pci/hotplug/acpiphp_ibm.c    |  5 ++--
 drivers/pci/pci-sysfs.c              | 42 ++++++++++++++++++++--------
 drivers/pcmcia/cistpl.c              |  4 +--
 drivers/power/olpc_battery.c         |  2 +-
 drivers/rapidio/rio-sysfs.c          |  6 ++--
 drivers/rtc/rtc-cmos.c               |  6 ++--
 drivers/rtc/rtc-ds1305.c             |  6 ++--
 drivers/rtc/rtc-ds1307.c             |  6 ++--
 drivers/rtc/rtc-ds1511.c             | 10 ++++---
 drivers/rtc/rtc-ds1553.c             |  4 +--
 drivers/rtc/rtc-ds1742.c             |  4 +--
 drivers/rtc/rtc-m48t59.c             |  4 +--
 drivers/rtc/rtc-stk17ta8.c           |  4 +--
 drivers/rtc/rtc-tx4939.c             |  4 +--
 drivers/s390/cio/chp.c               |  5 ++--
 drivers/scsi/3w-sas.c                |  4 +--
 drivers/scsi/arcmsr/arcmsr_attr.c    |  9 ++++--
 drivers/scsi/ibmvscsi/ibmvfc.c       |  3 +-
 drivers/scsi/ipr.c                   |  9 ++++--
 drivers/scsi/lpfc/lpfc_attr.c        | 20 +++++++++----
 drivers/scsi/qla2xxx/qla_attr.c      | 32 ++++++++++-----------
 drivers/staging/udlfb/udlfb.c        |  3 +-
 drivers/usb/core/sysfs.c             |  3 +-
 drivers/video/aty/radeon_base.c      |  4 +--
 drivers/w1/slaves/w1_ds2431.c        |  4 +--
 drivers/w1/slaves/w1_ds2433.c        |  4 +--
 drivers/w1/slaves/w1_ds2760.c        |  2 +-
 drivers/w1/w1.c                      |  4 +--
 drivers/zorro/zorro-sysfs.c          |  2 +-
 fs/sysfs/bin.c                       | 24 ++++++++--------
 include/linux/sysfs.h                |  7 +++--
 kernel/ksysfs.c                      |  3 +-
 kernel/module.c                      |  2 +-
 net/bridge/br_sysfs_br.c             |  2 +-
 52 files changed, 220 insertions(+), 149 deletions(-)

diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index d979e7c7bc4..a5fffc882c7 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -53,6 +53,7 @@ static int __pci_mmap_fits(struct pci_dev *pdev, int num,
 
 /**
  * pci_mmap_resource - map a PCI resource into user memory space
+ * @filp: open sysfs file
  * @kobj: kobject for mapping
  * @attr: struct bin_attribute for the file being mapped
  * @vma: struct vm_area_struct passed into the mmap
@@ -60,7 +61,8 @@ static int __pci_mmap_fits(struct pci_dev *pdev, int num,
  *
  * Use the bus mapping routines to map a PCI resource into userspace.
  */
-static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
+static int pci_mmap_resource(struct file *filp, struct kobject *kobj,
+			     struct bin_attribute *attr,
 			     struct vm_area_struct *vma, int sparse)
 {
 	struct pci_dev *pdev = to_pci_dev(container_of(kobj,
@@ -89,14 +91,14 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
 	return hose_mmap_page_range(pdev->sysdata, vma, mmap_type, sparse);
 }
 
-static int pci_mmap_resource_sparse(struct kobject *kobj,
+static int pci_mmap_resource_sparse(struct file *filp, struct kobject *kobj,
 				    struct bin_attribute *attr,
 				    struct vm_area_struct *vma)
 {
 	return pci_mmap_resource(kobj, attr, vma, 1);
 }
 
-static int pci_mmap_resource_dense(struct kobject *kobj,
+static int pci_mmap_resource_dense(struct file *filp, struct kobject *kobj,
 				   struct bin_attribute *attr,
 				   struct vm_area_struct *vma)
 {
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index adc69291f9e..575d219b800 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -905,7 +905,7 @@ struct txx9_sramc_sysdev {
 	void __iomem *base;
 };
 
-static ssize_t txx9_sram_read(struct kobject *kobj,
+static ssize_t txx9_sram_read(struct file *filp, struct kobject *kobj,
 			      struct bin_attribute *bin_attr,
 			      char *buf, loff_t pos, size_t size)
 {
@@ -920,7 +920,7 @@ static ssize_t txx9_sram_read(struct kobject *kobj,
 	return size;
 }
 
-static ssize_t txx9_sram_write(struct kobject *kobj,
+static ssize_t txx9_sram_write(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr,
 			       char *buf, loff_t pos, size_t size)
 {
diff --git a/arch/powerpc/sysdev/mv64x60_pci.c b/arch/powerpc/sysdev/mv64x60_pci.c
index 1456015a22d..198f288570c 100644
--- a/arch/powerpc/sysdev/mv64x60_pci.c
+++ b/arch/powerpc/sysdev/mv64x60_pci.c
@@ -24,7 +24,7 @@
 #define MV64X60_VAL_LEN_MAX		11
 #define MV64X60_PCICFG_CPCI_HOTSWAP	0x68
 
-static ssize_t mv64x60_hs_reg_read(struct kobject *kobj,
+static ssize_t mv64x60_hs_reg_read(struct file *filp, struct kobject *kobj,
 				   struct bin_attribute *attr, char *buf,
 				   loff_t off, size_t count)
 {
@@ -45,7 +45,7 @@ static ssize_t mv64x60_hs_reg_read(struct kobject *kobj,
 	return sprintf(buf, "0x%08x\n", v);
 }
 
-static ssize_t mv64x60_hs_reg_write(struct kobject *kobj,
+static ssize_t mv64x60_hs_reg_write(struct file *filp, struct kobject *kobj,
 				    struct bin_attribute *attr, char *buf,
 				    loff_t off, size_t count)
 {
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 72c8b0d070c..a689070be28 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -403,8 +403,9 @@ static ssize_t sys_ipl_device_show(struct kobject *kobj,
 static struct kobj_attribute sys_ipl_device_attr =
 	__ATTR(device, S_IRUGO, sys_ipl_device_show, NULL);
 
-static ssize_t ipl_parameter_read(struct kobject *kobj, struct bin_attribute *attr,
-				  char *buf, loff_t off, size_t count)
+static ssize_t ipl_parameter_read(struct file *filp, struct kobject *kobj,
+				  struct bin_attribute *attr, char *buf,
+				  loff_t off, size_t count)
 {
 	return memory_read_from_buffer(buf, count, &off, IPL_PARMBLOCK_START,
 					IPL_PARMBLOCK_SIZE);
@@ -419,8 +420,9 @@ static struct bin_attribute ipl_parameter_attr = {
 	.read = &ipl_parameter_read,
 };
 
-static ssize_t ipl_scp_data_read(struct kobject *kobj, struct bin_attribute *attr,
-				 char *buf, loff_t off, size_t count)
+static ssize_t ipl_scp_data_read(struct file *filp, struct kobject *kobj,
+				 struct bin_attribute *attr, char *buf,
+				 loff_t off, size_t count)
 {
 	unsigned int size = IPL_PARMBLOCK_START->ipl_info.fcp.scp_data_len;
 	void *scp_data = &IPL_PARMBLOCK_START->ipl_info.fcp.scp_data;
@@ -694,7 +696,7 @@ static struct kobj_attribute sys_reipl_ccw_vmparm_attr =
 
 /* FCP reipl device attributes */
 
-static ssize_t reipl_fcp_scpdata_read(struct kobject *kobj,
+static ssize_t reipl_fcp_scpdata_read(struct file *filp, struct kobject *kobj,
 				      struct bin_attribute *attr,
 				      char *buf, loff_t off, size_t count)
 {
@@ -704,7 +706,7 @@ static ssize_t reipl_fcp_scpdata_read(struct kobject *kobj,
 	return memory_read_from_buffer(buf, count, &off, scp_data, size);
 }
 
-static ssize_t reipl_fcp_scpdata_write(struct kobject *kobj,
+static ssize_t reipl_fcp_scpdata_write(struct file *filp, struct kobject *kobj,
 				       struct bin_attribute *attr,
 				       char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index e35525b39f6..c79e789ed03 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -71,7 +71,7 @@ struct acpi_table_attr {
 	struct list_head node;
 };
 
-static ssize_t acpi_table_show(struct kobject *kobj,
+static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr, char *buf,
 			       loff_t offset, size_t count)
 {
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index d98e424675c..3f093b0dd21 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -278,8 +278,9 @@ static ssize_t firmware_loading_store(struct device *dev,
 static DEVICE_ATTR(loading, 0644, firmware_loading_show, firmware_loading_store);
 
 static ssize_t
-firmware_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
-		   char *buffer, loff_t offset, size_t count)
+firmware_data_read(struct file *filp, struct kobject *kobj,
+		   struct bin_attribute *bin_attr, char *buffer, loff_t offset,
+		   size_t count)
 {
 	struct device *dev = to_dev(kobj);
 	struct firmware_priv *fw_priv = dev_get_drvdata(dev);
@@ -362,6 +363,7 @@ fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
 
 /**
  * firmware_data_write - write method for firmware
+ * @filp: open sysfs file
  * @kobj: kobject for the device
  * @bin_attr: bin_attr structure
  * @buffer: buffer being written
@@ -372,8 +374,9 @@ fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
  *	the driver as a firmware image.
  **/
 static ssize_t
-firmware_data_write(struct kobject *kobj, struct bin_attribute *bin_attr,
-		    char *buffer, loff_t offset, size_t count)
+firmware_data_write(struct file* filp, struct kobject *kobj,
+		    struct bin_attribute *bin_attr, char *buffer,
+		    loff_t offset, size_t count)
 {
 	struct device *dev = to_dev(kobj);
 	struct firmware_priv *fw_priv = dev_get_drvdata(dev);
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index fb09bb3c0ad..aa9bc9e980e 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -149,7 +149,7 @@ static ssize_t smi_data_buf_size_store(struct device *dev,
 	return count;
 }
 
-static ssize_t smi_data_read(struct kobject *kobj,
+static ssize_t smi_data_read(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr,
 			     char *buf, loff_t pos, size_t count)
 {
@@ -162,7 +162,7 @@ static ssize_t smi_data_read(struct kobject *kobj,
 	return ret;
 }
 
-static ssize_t smi_data_write(struct kobject *kobj,
+static ssize_t smi_data_write(struct file *filp, struct kobject *kobj,
 			      struct bin_attribute *bin_attr,
 			      char *buf, loff_t pos, size_t count)
 {
diff --git a/drivers/firmware/dell_rbu.c b/drivers/firmware/dell_rbu.c
index 3a4460265b1..2f452f1f7c8 100644
--- a/drivers/firmware/dell_rbu.c
+++ b/drivers/firmware/dell_rbu.c
@@ -522,7 +522,7 @@ static ssize_t read_rbu_mono_data(char *buffer, loff_t pos, size_t count)
 			rbu_data.image_update_buffer, rbu_data.bios_image_size);
 }
 
-static ssize_t read_rbu_data(struct kobject *kobj,
+static ssize_t read_rbu_data(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr,
 			     char *buffer, loff_t pos, size_t count)
 {
@@ -576,7 +576,7 @@ static void callbackfn_rbu(const struct firmware *fw, void *context)
 	release_firmware(fw);
 }
 
-static ssize_t read_rbu_image_type(struct kobject *kobj,
+static ssize_t read_rbu_image_type(struct file *filp, struct kobject *kobj,
 				   struct bin_attribute *bin_attr,
 				   char *buffer, loff_t pos, size_t count)
 {
@@ -586,7 +586,7 @@ static ssize_t read_rbu_image_type(struct kobject *kobj,
 	return size;
 }
 
-static ssize_t write_rbu_image_type(struct kobject *kobj,
+static ssize_t write_rbu_image_type(struct file *filp, struct kobject *kobj,
 				    struct bin_attribute *bin_attr,
 				    char *buffer, loff_t pos, size_t count)
 {
@@ -647,7 +647,7 @@ static ssize_t write_rbu_image_type(struct kobject *kobj,
 	return rc;
 }
 
-static ssize_t read_rbu_packet_size(struct kobject *kobj,
+static ssize_t read_rbu_packet_size(struct file *filp, struct kobject *kobj,
 				    struct bin_attribute *bin_attr,
 				    char *buffer, loff_t pos, size_t count)
 {
@@ -660,7 +660,7 @@ static ssize_t read_rbu_packet_size(struct kobject *kobj,
 	return size;
 }
 
-static ssize_t write_rbu_packet_size(struct kobject *kobj,
+static ssize_t write_rbu_packet_size(struct file *filp, struct kobject *kobj,
 				     struct bin_attribute *bin_attr,
 				     char *buffer, loff_t pos, size_t count)
 {
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 81b70bd0758..2a62ec6390e 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -402,7 +402,7 @@ efivar_unregister(struct efivar_entry *var)
 }
 
 
-static ssize_t efivar_create(struct kobject *kobj,
+static ssize_t efivar_create(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr,
 			     char *buf, loff_t pos, size_t count)
 {
@@ -461,7 +461,7 @@ static ssize_t efivar_create(struct kobject *kobj,
 	return count;
 }
 
-static ssize_t efivar_delete(struct kobject *kobj,
+static ssize_t efivar_delete(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr,
 			     char *buf, loff_t pos, size_t count)
 {
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 25bbd30ed7a..387166d5a10 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -193,8 +193,9 @@ static ssize_t enabled_show(struct device *device,
 			"disabled");
 }
 
-static ssize_t edid_show(struct kobject *kobj, struct bin_attribute *attr,
-			 char *buf, loff_t off, size_t count)
+static ssize_t edid_show(struct file *filp, struct kobject *kobj,
+			 struct bin_attribute *attr, char *buf, loff_t off,
+			 size_t count)
 {
 	struct device *connector_dev = container_of(kobj, struct device, kobj);
 	struct drm_connector *connector = to_drm_connector(connector_dev);
diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c
index ed090e77c9c..19fc7c1cb42 100644
--- a/drivers/misc/c2port/core.c
+++ b/drivers/misc/c2port/core.c
@@ -707,7 +707,7 @@ static ssize_t __c2port_read_flash_data(struct c2port_device *dev,
 	return nread;
 }
 
-static ssize_t c2port_read_flash_data(struct kobject *kobj,
+static ssize_t c2port_read_flash_data(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *attr,
 				char *buffer, loff_t offset, size_t count)
 {
@@ -824,7 +824,7 @@ static ssize_t __c2port_write_flash_data(struct c2port_device *dev,
 	return nwrite;
 }
 
-static ssize_t c2port_write_flash_data(struct kobject *kobj,
+static ssize_t c2port_write_flash_data(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *attr,
 				char *buffer, loff_t offset, size_t count)
 {
diff --git a/drivers/misc/ds1682.c b/drivers/misc/ds1682.c
index 9197cfc5501..a513f0aa643 100644
--- a/drivers/misc/ds1682.c
+++ b/drivers/misc/ds1682.c
@@ -140,7 +140,8 @@ static const struct attribute_group ds1682_group = {
 /*
  * User data attribute
  */
-static ssize_t ds1682_eeprom_read(struct kobject *kobj, struct bin_attribute *attr,
+static ssize_t ds1682_eeprom_read(struct file *filp, struct kobject *kobj,
+				  struct bin_attribute *attr,
 				  char *buf, loff_t off, size_t count)
 {
 	struct i2c_client *client = kobj_to_i2c_client(kobj);
@@ -163,7 +164,8 @@ static ssize_t ds1682_eeprom_read(struct kobject *kobj, struct bin_attribute *at
 	return count;
 }
 
-static ssize_t ds1682_eeprom_write(struct kobject *kobj, struct bin_attribute *attr,
+static ssize_t ds1682_eeprom_write(struct file *filp, struct kobject *kobj,
+				   struct bin_attribute *attr,
 				   char *buf, loff_t off, size_t count)
 {
 	struct i2c_client *client = kobj_to_i2c_client(kobj);
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index db7d0f21b65..a79a62f7548 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -274,7 +274,8 @@ static ssize_t at24_read(struct at24_data *at24,
 	return retval;
 }
 
-static ssize_t at24_bin_read(struct kobject *kobj, struct bin_attribute *attr,
+static ssize_t at24_bin_read(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct at24_data *at24;
@@ -395,7 +396,8 @@ static ssize_t at24_write(struct at24_data *at24, const char *buf, loff_t off,
 	return retval;
 }
 
-static ssize_t at24_bin_write(struct kobject *kobj, struct bin_attribute *attr,
+static ssize_t at24_bin_write(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct at24_data *at24;
diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index d194212a41f..c627e4174cc 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -126,7 +126,8 @@ at25_ee_read(
 }
 
 static ssize_t
-at25_bin_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+at25_bin_read(struct file *filp, struct kobject *kobj,
+	      struct bin_attribute *bin_attr,
 	      char *buf, loff_t off, size_t count)
 {
 	struct device		*dev;
@@ -253,7 +254,8 @@ at25_ee_write(struct at25_data *at25, const char *buf, loff_t off,
 }
 
 static ssize_t
-at25_bin_write(struct kobject *kobj, struct bin_attribute *bin_attr,
+at25_bin_write(struct file *filp, struct kobject *kobj,
+	       struct bin_attribute *bin_attr,
 	       char *buf, loff_t off, size_t count)
 {
 	struct device		*dev;
diff --git a/drivers/misc/eeprom/eeprom.c b/drivers/misc/eeprom/eeprom.c
index e306a8cd2f9..45060ddc4e5 100644
--- a/drivers/misc/eeprom/eeprom.c
+++ b/drivers/misc/eeprom/eeprom.c
@@ -81,7 +81,8 @@ exit:
 	mutex_unlock(&data->update_lock);
 }
 
-static ssize_t eeprom_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+static ssize_t eeprom_read(struct file *filp, struct kobject *kobj,
+			   struct bin_attribute *bin_attr,
 			   char *buf, loff_t off, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(container_of(kobj, struct device, kobj));
diff --git a/drivers/misc/eeprom/max6875.c b/drivers/misc/eeprom/max6875.c
index fe290927850..5653a3ce051 100644
--- a/drivers/misc/eeprom/max6875.c
+++ b/drivers/misc/eeprom/max6875.c
@@ -107,7 +107,7 @@ exit_up:
 	mutex_unlock(&data->update_lock);
 }
 
-static ssize_t max6875_read(struct kobject *kobj,
+static ssize_t max6875_read(struct file *filp, struct kobject *kobj,
 			    struct bin_attribute *bin_attr,
 			    char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index c61a61f177b..6ce6ce1df6d 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -2560,7 +2560,8 @@ netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
 }
 
 static ssize_t
-netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr,
+netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t offset, size_t size)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -2587,7 +2588,8 @@ netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr,
 }
 
 static ssize_t
-netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr,
+netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t offset, size_t size)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -2627,7 +2629,8 @@ netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
 }
 
 static ssize_t
-netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr,
+netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t offset, size_t size)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -2647,7 +2650,7 @@ netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr,
 	return size;
 }
 
-static ssize_t netxen_sysfs_write_mem(struct kobject *kobj,
+static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t offset, size_t size)
 {
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 1003eb76fda..23ea9caa526 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -2464,7 +2464,8 @@ qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
 }
 
 static ssize_t
-qlcnic_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr,
+qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t offset, size_t size)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -2488,7 +2489,8 @@ qlcnic_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr,
 }
 
 static ssize_t
-qlcnic_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr,
+qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t offset, size_t size)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -2525,7 +2527,8 @@ qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
 }
 
 static ssize_t
-qlcnic_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr,
+qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t offset, size_t size)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -2546,7 +2549,8 @@ qlcnic_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr,
 }
 
 static ssize_t
-qlcnic_sysfs_write_mem(struct kobject *kobj, struct bin_attribute *attr,
+qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t offset, size_t size)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 6ecbfb27db9..e525263210e 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -108,7 +108,7 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status);
 static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status);
 static void ibm_handle_events(acpi_handle handle, u32 event, void *context);
 static int ibm_get_table_from_acpi(char **bufp);
-static ssize_t ibm_read_apci_table(struct kobject *kobj,
+static ssize_t ibm_read_apci_table(struct file *filp, struct kobject *kobj,
 				   struct bin_attribute *bin_attr,
 				   char *buffer, loff_t pos, size_t size);
 static acpi_status __init ibm_find_acpi_device(acpi_handle handle,
@@ -351,6 +351,7 @@ read_table_done:
 
 /**
  * ibm_read_apci_table - callback for the sysfs apci_table file
+ * @filp: the open sysfs file
  * @kobj: the kobject this binary attribute is a part of
  * @bin_attr: struct bin_attribute for this file
  * @buffer: the kernel space buffer to fill
@@ -364,7 +365,7 @@ read_table_done:
  * things get really tricky here...
  * our solution is to only allow reading the table in all at once.
  */
-static ssize_t ibm_read_apci_table(struct kobject *kobj,
+static ssize_t ibm_read_apci_table(struct file *filp, struct kobject *kobj,
 				   struct bin_attribute *bin_attr,
 				   char *buffer, loff_t pos, size_t size)
 {
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index fad93983bfe..ad44557e65c 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -357,7 +357,8 @@ boot_vga_show(struct device *dev, struct device_attribute *attr, char *buf)
 struct device_attribute vga_attr = __ATTR_RO(boot_vga);
 
 static ssize_t
-pci_read_config(struct kobject *kobj, struct bin_attribute *bin_attr,
+pci_read_config(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *bin_attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct pci_dev *dev = to_pci_dev(container_of(kobj,struct device,kobj));
@@ -430,7 +431,8 @@ pci_read_config(struct kobject *kobj, struct bin_attribute *bin_attr,
 }
 
 static ssize_t
-pci_write_config(struct kobject *kobj, struct bin_attribute *bin_attr,
+pci_write_config(struct file* filp, struct kobject *kobj,
+		 struct bin_attribute *bin_attr,
 		 char *buf, loff_t off, size_t count)
 {
 	struct pci_dev *dev = to_pci_dev(container_of(kobj,struct device,kobj));
@@ -487,7 +489,8 @@ pci_write_config(struct kobject *kobj, struct bin_attribute *bin_attr,
 }
 
 static ssize_t
-read_vpd_attr(struct kobject *kobj, struct bin_attribute *bin_attr,
+read_vpd_attr(struct file *filp, struct kobject *kobj,
+	      struct bin_attribute *bin_attr,
 	      char *buf, loff_t off, size_t count)
 {
 	struct pci_dev *dev =
@@ -502,7 +505,8 @@ read_vpd_attr(struct kobject *kobj, struct bin_attribute *bin_attr,
 }
 
 static ssize_t
-write_vpd_attr(struct kobject *kobj, struct bin_attribute *bin_attr,
+write_vpd_attr(struct file *filp, struct kobject *kobj,
+	       struct bin_attribute *bin_attr,
 	       char *buf, loff_t off, size_t count)
 {
 	struct pci_dev *dev =
@@ -519,6 +523,7 @@ write_vpd_attr(struct kobject *kobj, struct bin_attribute *bin_attr,
 #ifdef HAVE_PCI_LEGACY
 /**
  * pci_read_legacy_io - read byte(s) from legacy I/O port space
+ * @filp: open sysfs file
  * @kobj: kobject corresponding to file to read from
  * @bin_attr: struct bin_attribute for this file
  * @buf: buffer to store results
@@ -529,7 +534,8 @@ write_vpd_attr(struct kobject *kobj, struct bin_attribute *bin_attr,
  * callback routine (pci_legacy_read).
  */
 static ssize_t
-pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
+pci_read_legacy_io(struct file *filp, struct kobject *kobj,
+		   struct bin_attribute *bin_attr,
 		   char *buf, loff_t off, size_t count)
 {
         struct pci_bus *bus = to_pci_bus(container_of(kobj,
@@ -545,6 +551,7 @@ pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
 
 /**
  * pci_write_legacy_io - write byte(s) to legacy I/O port space
+ * @filp: open sysfs file
  * @kobj: kobject corresponding to file to read from
  * @bin_attr: struct bin_attribute for this file
  * @buf: buffer containing value to be written
@@ -555,7 +562,8 @@ pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
  * callback routine (pci_legacy_write).
  */
 static ssize_t
-pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
+pci_write_legacy_io(struct file *filp, struct kobject *kobj,
+		    struct bin_attribute *bin_attr,
 		    char *buf, loff_t off, size_t count)
 {
         struct pci_bus *bus = to_pci_bus(container_of(kobj,
@@ -570,6 +578,7 @@ pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
 
 /**
  * pci_mmap_legacy_mem - map legacy PCI memory into user memory space
+ * @filp: open sysfs file
  * @kobj: kobject corresponding to device to be mapped
  * @attr: struct bin_attribute for this file
  * @vma: struct vm_area_struct passed to mmap
@@ -579,7 +588,8 @@ pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
  * memory space.
  */
 static int
-pci_mmap_legacy_mem(struct kobject *kobj, struct bin_attribute *attr,
+pci_mmap_legacy_mem(struct file *filp, struct kobject *kobj,
+		    struct bin_attribute *attr,
                     struct vm_area_struct *vma)
 {
         struct pci_bus *bus = to_pci_bus(container_of(kobj,
@@ -591,6 +601,7 @@ pci_mmap_legacy_mem(struct kobject *kobj, struct bin_attribute *attr,
 
 /**
  * pci_mmap_legacy_io - map legacy PCI IO into user memory space
+ * @filp: open sysfs file
  * @kobj: kobject corresponding to device to be mapped
  * @attr: struct bin_attribute for this file
  * @vma: struct vm_area_struct passed to mmap
@@ -600,7 +611,8 @@ pci_mmap_legacy_mem(struct kobject *kobj, struct bin_attribute *attr,
  * memory space. Returns -ENOSYS if the operation isn't supported
  */
 static int
-pci_mmap_legacy_io(struct kobject *kobj, struct bin_attribute *attr,
+pci_mmap_legacy_io(struct file *filp, struct kobject *kobj,
+		   struct bin_attribute *attr,
 		   struct vm_area_struct *vma)
 {
         struct pci_bus *bus = to_pci_bus(container_of(kobj,
@@ -750,14 +762,16 @@ pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
 }
 
 static int
-pci_mmap_resource_uc(struct kobject *kobj, struct bin_attribute *attr,
+pci_mmap_resource_uc(struct file *filp, struct kobject *kobj,
+		     struct bin_attribute *attr,
 		     struct vm_area_struct *vma)
 {
 	return pci_mmap_resource(kobj, attr, vma, 0);
 }
 
 static int
-pci_mmap_resource_wc(struct kobject *kobj, struct bin_attribute *attr,
+pci_mmap_resource_wc(struct file *filp, struct kobject *kobj,
+		     struct bin_attribute *attr,
 		     struct vm_area_struct *vma)
 {
 	return pci_mmap_resource(kobj, attr, vma, 1);
@@ -861,6 +875,7 @@ void __weak pci_remove_resource_files(struct pci_dev *dev) { return; }
 
 /**
  * pci_write_rom - used to enable access to the PCI ROM display
+ * @filp: sysfs file
  * @kobj: kernel object handle
  * @bin_attr: struct bin_attribute for this file
  * @buf: user input
@@ -870,7 +885,8 @@ void __weak pci_remove_resource_files(struct pci_dev *dev) { return; }
  * writing anything except 0 enables it
  */
 static ssize_t
-pci_write_rom(struct kobject *kobj, struct bin_attribute *bin_attr,
+pci_write_rom(struct file *filp, struct kobject *kobj,
+	      struct bin_attribute *bin_attr,
 	      char *buf, loff_t off, size_t count)
 {
 	struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj));
@@ -885,6 +901,7 @@ pci_write_rom(struct kobject *kobj, struct bin_attribute *bin_attr,
 
 /**
  * pci_read_rom - read a PCI ROM
+ * @filp: sysfs file
  * @kobj: kernel object handle
  * @bin_attr: struct bin_attribute for this file
  * @buf: where to put the data we read from the ROM
@@ -895,7 +912,8 @@ pci_write_rom(struct kobject *kobj, struct bin_attribute *bin_attr,
  * device corresponding to @kobj.
  */
 static ssize_t
-pci_read_rom(struct kobject *kobj, struct bin_attribute *bin_attr,
+pci_read_rom(struct file *filp, struct kobject *kobj,
+	     struct bin_attribute *bin_attr,
 	     char *buf, loff_t off, size_t count)
 {
 	struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj));
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 60d428be0b0..8844bc3e311 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -1531,7 +1531,7 @@ static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf,
 }
 
 
-static ssize_t pccard_show_cis(struct kobject *kobj,
+static ssize_t pccard_show_cis(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr,
 			       char *buf, loff_t off, size_t count)
 {
@@ -1562,7 +1562,7 @@ static ssize_t pccard_show_cis(struct kobject *kobj,
 }
 
 
-static ssize_t pccard_store_cis(struct kobject *kobj,
+static ssize_t pccard_store_cis(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *bin_attr,
 				char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c
index 8fefe5a7355..baefcf1cffc 100644
--- a/drivers/power/olpc_battery.c
+++ b/drivers/power/olpc_battery.c
@@ -354,7 +354,7 @@ static enum power_supply_property olpc_bat_props[] = {
 #define EEPROM_END	0x80
 #define EEPROM_SIZE	(EEPROM_END - EEPROM_START)
 
-static ssize_t olpc_bat_eeprom_read(struct kobject *kobj,
+static ssize_t olpc_bat_eeprom_read(struct file *filp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf, loff_t off, size_t count)
 {
 	uint8_t ec_byte;
diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
index ba742e82c57..00b47565835 100644
--- a/drivers/rapidio/rio-sysfs.c
+++ b/drivers/rapidio/rio-sysfs.c
@@ -68,7 +68,8 @@ struct device_attribute rio_dev_attrs[] = {
 };
 
 static ssize_t
-rio_read_config(struct kobject *kobj, struct bin_attribute *bin_attr,
+rio_read_config(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *bin_attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct rio_dev *dev =
@@ -139,7 +140,8 @@ rio_read_config(struct kobject *kobj, struct bin_attribute *bin_attr,
 }
 
 static ssize_t
-rio_write_config(struct kobject *kobj, struct bin_attribute *bin_attr,
+rio_write_config(struct file *filp, struct kobject *kobj,
+		 struct bin_attribute *bin_attr,
 		 char *buf, loff_t off, size_t count)
 {
 	struct rio_dev *dev =
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index e9aa814ddd2..ece4dbddc0e 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -519,7 +519,8 @@ static const struct rtc_class_ops cmos_rtc_ops = {
 #define NVRAM_OFFSET	(RTC_REG_D + 1)
 
 static ssize_t
-cmos_nvram_read(struct kobject *kobj, struct bin_attribute *attr,
+cmos_nvram_read(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	int	retval;
@@ -547,7 +548,8 @@ cmos_nvram_read(struct kobject *kobj, struct bin_attribute *attr,
 }
 
 static ssize_t
-cmos_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
+cmos_nvram_write(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct cmos_rtc	*cmos;
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index 7836c9cec55..48da85e97ca 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -542,7 +542,8 @@ static void msg_init(struct spi_message *m, struct spi_transfer *x,
 }
 
 static ssize_t
-ds1305_nvram_read(struct kobject *kobj, struct bin_attribute *attr,
+ds1305_nvram_read(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct spi_device	*spi;
@@ -572,7 +573,8 @@ ds1305_nvram_read(struct kobject *kobj, struct bin_attribute *attr,
 }
 
 static ssize_t
-ds1305_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
+ds1305_nvram_write(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct spi_device	*spi;
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index c4ec5c158aa..de033b7ac21 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -556,7 +556,8 @@ static const struct rtc_class_ops ds13xx_rtc_ops = {
 #define NVRAM_SIZE	56
 
 static ssize_t
-ds1307_nvram_read(struct kobject *kobj, struct bin_attribute *attr,
+ds1307_nvram_read(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct i2c_client	*client;
@@ -580,7 +581,8 @@ ds1307_nvram_read(struct kobject *kobj, struct bin_attribute *attr,
 }
 
 static ssize_t
-ds1307_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
+ds1307_nvram_write(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct i2c_client	*client;
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 06b8566c453..37268e97de4 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -423,8 +423,9 @@ static const struct rtc_class_ops ds1511_rtc_ops = {
 };
 
  static ssize_t
-ds1511_nvram_read(struct kobject *kobj, struct bin_attribute *ba,
-				char *buf, loff_t pos, size_t size)
+ds1511_nvram_read(struct file *filp, struct kobject *kobj,
+		  struct bin_attribute *ba,
+		  char *buf, loff_t pos, size_t size)
 {
 	ssize_t count;
 
@@ -452,8 +453,9 @@ ds1511_nvram_read(struct kobject *kobj, struct bin_attribute *ba,
 }
 
  static ssize_t
-ds1511_nvram_write(struct kobject *kobj, struct bin_attribute *bin_attr,
-				char *buf, loff_t pos, size_t size)
+ds1511_nvram_write(struct file *filp, struct kobject *kobj,
+		   struct bin_attribute *bin_attr,
+		   char *buf, loff_t pos, size_t size)
 {
 	ssize_t count;
 
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 244f9994bcb..ff432e2ca27 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -252,7 +252,7 @@ static const struct rtc_class_ops ds1553_rtc_ops = {
 	.update_irq_enable	= ds1553_rtc_update_irq_enable,
 };
 
-static ssize_t ds1553_nvram_read(struct kobject *kobj,
+static ssize_t ds1553_nvram_read(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *bin_attr,
 				 char *buf, loff_t pos, size_t size)
 {
@@ -267,7 +267,7 @@ static ssize_t ds1553_nvram_read(struct kobject *kobj,
 	return count;
 }
 
-static ssize_t ds1553_nvram_write(struct kobject *kobj,
+static ssize_t ds1553_nvram_write(struct file *filp, struct kobject *kobj,
 				  struct bin_attribute *bin_attr,
 				  char *buf, loff_t pos, size_t size)
 {
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 2b4b0bc42d6..042630c90dd 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -128,7 +128,7 @@ static const struct rtc_class_ops ds1742_rtc_ops = {
 	.set_time	= ds1742_rtc_set_time,
 };
 
-static ssize_t ds1742_nvram_read(struct kobject *kobj,
+static ssize_t ds1742_nvram_read(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *bin_attr,
 				 char *buf, loff_t pos, size_t size)
 {
@@ -143,7 +143,7 @@ static ssize_t ds1742_nvram_read(struct kobject *kobj,
 	return count;
 }
 
-static ssize_t ds1742_nvram_write(struct kobject *kobj,
+static ssize_t ds1742_nvram_write(struct file *filp, struct kobject *kobj,
 				  struct bin_attribute *bin_attr,
 				  char *buf, loff_t pos, size_t size)
 {
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index 365ff3ac234..be8359fdb65 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -343,7 +343,7 @@ static const struct rtc_class_ops m48t02_rtc_ops = {
 	.set_time	= m48t59_rtc_set_time,
 };
 
-static ssize_t m48t59_nvram_read(struct kobject *kobj,
+static ssize_t m48t59_nvram_read(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *bin_attr,
 				char *buf, loff_t pos, size_t size)
 {
@@ -363,7 +363,7 @@ static ssize_t m48t59_nvram_read(struct kobject *kobj,
 	return cnt;
 }
 
-static ssize_t m48t59_nvram_write(struct kobject *kobj,
+static ssize_t m48t59_nvram_write(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *bin_attr,
 				char *buf, loff_t pos, size_t size)
 {
diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index b53a00198db..3b943673cd3 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -244,7 +244,7 @@ static const struct rtc_class_ops stk17ta8_rtc_ops = {
 	.alarm_irq_enable	= stk17ta8_rtc_alarm_irq_enable,
 };
 
-static ssize_t stk17ta8_nvram_read(struct kobject *kobj,
+static ssize_t stk17ta8_nvram_read(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *attr, char *buf,
 				 loff_t pos, size_t size)
 {
@@ -259,7 +259,7 @@ static ssize_t stk17ta8_nvram_read(struct kobject *kobj,
 	return count;
 }
 
-static ssize_t stk17ta8_nvram_write(struct kobject *kobj,
+static ssize_t stk17ta8_nvram_write(struct file *filp, struct kobject *kobj,
 				  struct bin_attribute *attr, char *buf,
 				  loff_t pos, size_t size)
 {
diff --git a/drivers/rtc/rtc-tx4939.c b/drivers/rtc/rtc-tx4939.c
index 20bfc64a15c..ec6313d1535 100644
--- a/drivers/rtc/rtc-tx4939.c
+++ b/drivers/rtc/rtc-tx4939.c
@@ -188,7 +188,7 @@ static const struct rtc_class_ops tx4939_rtc_ops = {
 	.alarm_irq_enable	= tx4939_rtc_alarm_irq_enable,
 };
 
-static ssize_t tx4939_rtc_nvram_read(struct kobject *kobj,
+static ssize_t tx4939_rtc_nvram_read(struct file *filp, struct kobject *kobj,
 				     struct bin_attribute *bin_attr,
 				     char *buf, loff_t pos, size_t size)
 {
@@ -207,7 +207,7 @@ static ssize_t tx4939_rtc_nvram_read(struct kobject *kobj,
 	return count;
 }
 
-static ssize_t tx4939_rtc_nvram_write(struct kobject *kobj,
+static ssize_t tx4939_rtc_nvram_write(struct file *filp, struct kobject *kobj,
 				      struct bin_attribute *bin_attr,
 				      char *buf, loff_t pos, size_t size)
 {
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 1d16189f2f2..6c9fa15aac7 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -135,7 +135,8 @@ static int s390_vary_chpid(struct chp_id chpid, int on)
 /*
  * Channel measurement related functions
  */
-static ssize_t chp_measurement_chars_read(struct kobject *kobj,
+static ssize_t chp_measurement_chars_read(struct file *filp,
+					  struct kobject *kobj,
 					  struct bin_attribute *bin_attr,
 					  char *buf, loff_t off, size_t count)
 {
@@ -182,7 +183,7 @@ static void chp_measurement_copy_block(struct cmg_entry *buf,
 	} while (reference_buf.values[0] != buf->values[0]);
 }
 
-static ssize_t chp_measurement_read(struct kobject *kobj,
+static ssize_t chp_measurement_read(struct file *filp, struct kobject *kobj,
 				    struct bin_attribute *bin_attr,
 				    char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index 54c5ffb1eaa..d38000db923 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -98,7 +98,7 @@ static int twl_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_res
 /* Functions */
 
 /* This function returns AENs through sysfs */
-static ssize_t twl_sysfs_aen_read(struct kobject *kobj,
+static ssize_t twl_sysfs_aen_read(struct file *filp, struct kobject *kobj,
 				  struct bin_attribute *bin_attr,
 				  char *outbuf, loff_t offset, size_t count)
 {
@@ -129,7 +129,7 @@ static struct bin_attribute twl_sysfs_aen_read_attr = {
 };
 
 /* This function returns driver compatibility info through sysfs */
-static ssize_t twl_sysfs_compat_info(struct kobject *kobj,
+static ssize_t twl_sysfs_compat_info(struct file *filp, struct kobject *kobj,
 				     struct bin_attribute *bin_attr,
 				     char *outbuf, loff_t offset, size_t count)
 {
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index 5877f29a600..a4e04c50c43 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -59,7 +59,8 @@
 
 struct device_attribute *arcmsr_host_attrs[];
 
-static ssize_t arcmsr_sysfs_iop_message_read(struct kobject *kobj,
+static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp,
+					     struct kobject *kobj,
 					     struct bin_attribute *bin,
 					     char *buf, loff_t off,
 					     size_t count)
@@ -105,7 +106,8 @@ static ssize_t arcmsr_sysfs_iop_message_read(struct kobject *kobj,
 	return (allxfer_len);
 }
 
-static ssize_t arcmsr_sysfs_iop_message_write(struct kobject *kobj,
+static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp,
+					      struct kobject *kobj,
 					      struct bin_attribute *bin,
 					      char *buf, loff_t off,
 					      size_t count)
@@ -153,7 +155,8 @@ static ssize_t arcmsr_sysfs_iop_message_write(struct kobject *kobj,
 	}
 }
 
-static ssize_t arcmsr_sysfs_iop_message_clear(struct kobject *kobj,
+static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp,
+					      struct kobject *kobj,
 					      struct bin_attribute *bin,
 					      char *buf, loff_t off,
 					      size_t count)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index d18f45c9563..3eb2b7b3d8b 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2919,6 +2919,7 @@ static DEVICE_ATTR(log_level, S_IRUGO | S_IWUSR,
 #ifdef CONFIG_SCSI_IBMVFC_TRACE
 /**
  * ibmvfc_read_trace - Dump the adapter trace
+ * @filp:		open sysfs file
  * @kobj:		kobject struct
  * @bin_attr:	bin_attribute struct
  * @buf:		buffer
@@ -2928,7 +2929,7 @@ static DEVICE_ATTR(log_level, S_IRUGO | S_IWUSR,
  * Return value:
  *	number of bytes printed to buffer
  **/
-static ssize_t ibmvfc_read_trace(struct kobject *kobj,
+static ssize_t ibmvfc_read_trace(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *bin_attr,
 				 char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index b90c118119d..6a6661c35b2 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3120,6 +3120,7 @@ restart:
 #ifdef CONFIG_SCSI_IPR_TRACE
 /**
  * ipr_read_trace - Dump the adapter trace
+ * @filp:		open sysfs file
  * @kobj:		kobject struct
  * @bin_attr:		bin_attribute struct
  * @buf:		buffer
@@ -3129,7 +3130,7 @@ restart:
  * Return value:
  *	number of bytes printed to buffer
  **/
-static ssize_t ipr_read_trace(struct kobject *kobj,
+static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj,
 			      struct bin_attribute *bin_attr,
 			      char *buf, loff_t off, size_t count)
 {
@@ -3764,6 +3765,7 @@ static struct device_attribute *ipr_ioa_attrs[] = {
 #ifdef CONFIG_SCSI_IPR_DUMP
 /**
  * ipr_read_dump - Dump the adapter
+ * @filp:		open sysfs file
  * @kobj:		kobject struct
  * @bin_attr:		bin_attribute struct
  * @buf:		buffer
@@ -3773,7 +3775,7 @@ static struct device_attribute *ipr_ioa_attrs[] = {
  * Return value:
  *	number of bytes printed to buffer
  **/
-static ssize_t ipr_read_dump(struct kobject *kobj,
+static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr,
 			     char *buf, loff_t off, size_t count)
 {
@@ -3927,6 +3929,7 @@ static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg)
 
 /**
  * ipr_write_dump - Setup dump state of adapter
+ * @filp:		open sysfs file
  * @kobj:		kobject struct
  * @bin_attr:		bin_attribute struct
  * @buf:		buffer
@@ -3936,7 +3939,7 @@ static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg)
  * Return value:
  *	number of bytes printed to buffer
  **/
-static ssize_t ipr_write_dump(struct kobject *kobj,
+static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj,
 			      struct bin_attribute *bin_attr,
 			      char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 2e5f376d9cc..bf33b315f93 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -2643,6 +2643,7 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
 
 /**
  * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
+ * @filp: sysfs file
  * @kobj: Pointer to the kernel object
  * @bin_attr: Attribute object
  * @buff: Buffer pointer
@@ -2654,7 +2655,8 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
  * applications.
  **/
 static ssize_t
-sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *bin_attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = container_of(kobj, struct device,
@@ -3362,6 +3364,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
 
 /**
  * sysfs_ctlreg_write - Write method for writing to ctlreg
+ * @filp: open sysfs file
  * @kobj: kernel kobject that contains the kernel class device.
  * @bin_attr: kernel attributes passed to us.
  * @buf: contains the data to be written to the adapter IOREG space.
@@ -3379,7 +3382,8 @@ struct device_attribute *lpfc_vport_attrs[] = {
  * value of count, buf contents written
  **/
 static ssize_t
-sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
+		   struct bin_attribute *bin_attr,
 		   char *buf, loff_t off, size_t count)
 {
 	size_t buf_off;
@@ -3415,6 +3419,7 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
 
 /**
  * sysfs_ctlreg_read - Read method for reading from ctlreg
+ * @filp: open sysfs file
  * @kobj: kernel kobject that contains the kernel class device.
  * @bin_attr: kernel attributes passed to us.
  * @buf: if successful contains the data from the adapter IOREG space.
@@ -3431,7 +3436,8 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
  * value of count, buf contents read
  **/
 static ssize_t
-sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
+		  struct bin_attribute *bin_attr,
 		  char *buf, loff_t off, size_t count)
 {
 	size_t buf_off;
@@ -3496,6 +3502,7 @@ sysfs_mbox_idle(struct lpfc_hba *phba)
 
 /**
  * sysfs_mbox_write - Write method for writing information via mbox
+ * @filp: open sysfs file
  * @kobj: kernel kobject that contains the kernel class device.
  * @bin_attr: kernel attributes passed to us.
  * @buf: contains the data to be written to sysfs mbox.
@@ -3516,7 +3523,8 @@ sysfs_mbox_idle(struct lpfc_hba *phba)
  * count number of bytes transferred
  **/
 static ssize_t
-sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_mbox_write(struct file *filp, struct kobject *kobj,
+		 struct bin_attribute *bin_attr,
 		 char *buf, loff_t off, size_t count)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -3571,6 +3579,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
 
 /**
  * sysfs_mbox_read - Read method for reading information via mbox
+ * @filp: open sysfs file
  * @kobj: kernel kobject that contains the kernel class device.
  * @bin_attr: kernel attributes passed to us.
  * @buf: contains the data to be read from sysfs mbox.
@@ -3593,7 +3602,8 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
  * count number of bytes transferred
  **/
 static ssize_t
-sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+sysfs_mbox_read(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *bin_attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 3b708606b93..1e4cafabba1 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -16,7 +16,7 @@ static int qla24xx_vport_disable(struct fc_vport *, bool);
 /* SYSFS attributes --------------------------------------------------------- */
 
 static ssize_t
-qla2x00_sysfs_read_fw_dump(struct kobject *kobj,
+qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
 			   struct bin_attribute *bin_attr,
 			   char *buf, loff_t off, size_t count)
 {
@@ -32,7 +32,7 @@ qla2x00_sysfs_read_fw_dump(struct kobject *kobj,
 }
 
 static ssize_t
-qla2x00_sysfs_write_fw_dump(struct kobject *kobj,
+qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
 			    struct bin_attribute *bin_attr,
 			    char *buf, loff_t off, size_t count)
 {
@@ -92,7 +92,7 @@ static struct bin_attribute sysfs_fw_dump_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_read_nvram(struct kobject *kobj,
+qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
 			 struct bin_attribute *bin_attr,
 			 char *buf, loff_t off, size_t count)
 {
@@ -111,7 +111,7 @@ qla2x00_sysfs_read_nvram(struct kobject *kobj,
 }
 
 static ssize_t
-qla2x00_sysfs_write_nvram(struct kobject *kobj,
+qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
 			  struct bin_attribute *bin_attr,
 			  char *buf, loff_t off, size_t count)
 {
@@ -177,7 +177,7 @@ static struct bin_attribute sysfs_nvram_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_read_optrom(struct kobject *kobj,
+qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
 			  struct bin_attribute *bin_attr,
 			  char *buf, loff_t off, size_t count)
 {
@@ -193,7 +193,7 @@ qla2x00_sysfs_read_optrom(struct kobject *kobj,
 }
 
 static ssize_t
-qla2x00_sysfs_write_optrom(struct kobject *kobj,
+qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
 			   struct bin_attribute *bin_attr,
 			   char *buf, loff_t off, size_t count)
 {
@@ -224,7 +224,7 @@ static struct bin_attribute sysfs_optrom_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
+qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr,
 			       char *buf, loff_t off, size_t count)
 {
@@ -387,7 +387,7 @@ static struct bin_attribute sysfs_optrom_ctl_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_read_vpd(struct kobject *kobj,
+qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
 		       struct bin_attribute *bin_attr,
 		       char *buf, loff_t off, size_t count)
 {
@@ -408,7 +408,7 @@ qla2x00_sysfs_read_vpd(struct kobject *kobj,
 }
 
 static ssize_t
-qla2x00_sysfs_write_vpd(struct kobject *kobj,
+qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 			struct bin_attribute *bin_attr,
 			char *buf, loff_t off, size_t count)
 {
@@ -461,7 +461,7 @@ static struct bin_attribute sysfs_vpd_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_read_sfp(struct kobject *kobj,
+qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
 		       struct bin_attribute *bin_attr,
 		       char *buf, loff_t off, size_t count)
 {
@@ -522,7 +522,7 @@ static struct bin_attribute sysfs_sfp_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_write_reset(struct kobject *kobj,
+qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 			struct bin_attribute *bin_attr,
 			char *buf, loff_t off, size_t count)
 {
@@ -592,7 +592,7 @@ static struct bin_attribute sysfs_reset_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_write_edc(struct kobject *kobj,
+qla2x00_sysfs_write_edc(struct file *filp, struct kobject *kobj,
 			struct bin_attribute *bin_attr,
 			char *buf, loff_t off, size_t count)
 {
@@ -650,7 +650,7 @@ static struct bin_attribute sysfs_edc_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_write_edc_status(struct kobject *kobj,
+qla2x00_sysfs_write_edc_status(struct file *filp, struct kobject *kobj,
 			struct bin_attribute *bin_attr,
 			char *buf, loff_t off, size_t count)
 {
@@ -700,7 +700,7 @@ qla2x00_sysfs_write_edc_status(struct kobject *kobj,
 }
 
 static ssize_t
-qla2x00_sysfs_read_edc_status(struct kobject *kobj,
+qla2x00_sysfs_read_edc_status(struct file *filp, struct kobject *kobj,
 			   struct bin_attribute *bin_attr,
 			   char *buf, loff_t off, size_t count)
 {
@@ -730,7 +730,7 @@ static struct bin_attribute sysfs_edc_status_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_read_xgmac_stats(struct kobject *kobj,
+qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
 		       struct bin_attribute *bin_attr,
 		       char *buf, loff_t off, size_t count)
 {
@@ -782,7 +782,7 @@ static struct bin_attribute sysfs_xgmac_stats_attr = {
 };
 
 static ssize_t
-qla2x00_sysfs_read_dcbx_tlv(struct kobject *kobj,
+qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
 		       struct bin_attribute *bin_attr,
 		       char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c
index aa8195199a2..577f2bf6eb2 100644
--- a/drivers/staging/udlfb/udlfb.c
+++ b/drivers/staging/udlfb/udlfb.c
@@ -1063,7 +1063,8 @@ static ssize_t metrics_misc_show(struct device *fbdev,
 			atomic_read(&dev->lost_pixels) ? "yes" : "no");
 }
 
-static ssize_t edid_show(struct kobject *kobj, struct bin_attribute *a,
+static ssize_t edid_show(struct file *filp, struct kobject *kobj,
+			 struct bin_attribute *a,
 			 char *buf, loff_t off, size_t count) {
 	struct device *fbdev = container_of(kobj, struct device, kobj);
 	struct fb_info *fb_info = dev_get_drvdata(fbdev);
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 06863befaf3..448f5b47fc4 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -658,7 +658,8 @@ const struct attribute_group *usb_device_groups[] = {
 /* Binary descriptors */
 
 static ssize_t
-read_descriptors(struct kobject *kobj, struct bin_attribute *attr,
+read_descriptors(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 6c37e8ee5ef..3c1e13ed1cb 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -2099,7 +2099,7 @@ static ssize_t radeon_show_one_edid(char *buf, loff_t off, size_t count, const u
 }
 
 
-static ssize_t radeon_show_edid1(struct kobject *kobj,
+static ssize_t radeon_show_edid1(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *bin_attr,
 				 char *buf, loff_t off, size_t count)
 {
@@ -2112,7 +2112,7 @@ static ssize_t radeon_show_edid1(struct kobject *kobj,
 }
 
 
-static ssize_t radeon_show_edid2(struct kobject *kobj,
+static ssize_t radeon_show_edid2(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *bin_attr,
 				 char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/w1/slaves/w1_ds2431.c b/drivers/w1/slaves/w1_ds2431.c
index 2c6c0cf6a20..84e2410aec1 100644
--- a/drivers/w1/slaves/w1_ds2431.c
+++ b/drivers/w1/slaves/w1_ds2431.c
@@ -96,7 +96,7 @@ static int w1_f2d_readblock(struct w1_slave *sl, int off, int count, char *buf)
 	return -1;
 }
 
-static ssize_t w1_f2d_read_bin(struct kobject *kobj,
+static ssize_t w1_f2d_read_bin(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr,
 			       char *buf, loff_t off, size_t count)
 {
@@ -202,7 +202,7 @@ retry:
 	return 0;
 }
 
-static ssize_t w1_f2d_write_bin(struct kobject *kobj,
+static ssize_t w1_f2d_write_bin(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *bin_attr,
 				char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/w1/slaves/w1_ds2433.c b/drivers/w1/slaves/w1_ds2433.c
index d2bf32118a9..0f7b8f9c509 100644
--- a/drivers/w1/slaves/w1_ds2433.c
+++ b/drivers/w1/slaves/w1_ds2433.c
@@ -92,7 +92,7 @@ static int w1_f23_refresh_block(struct w1_slave *sl, struct w1_f23_data *data,
 }
 #endif	/* CONFIG_W1_SLAVE_DS2433_CRC */
 
-static ssize_t w1_f23_read_bin(struct kobject *kobj,
+static ssize_t w1_f23_read_bin(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr,
 			       char *buf, loff_t off, size_t count)
 {
@@ -206,7 +206,7 @@ static int w1_f23_write(struct w1_slave *sl, int addr, int len, const u8 *data)
 	return 0;
 }
 
-static ssize_t w1_f23_write_bin(struct kobject *kobj,
+static ssize_t w1_f23_write_bin(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *bin_attr,
 				char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/w1/slaves/w1_ds2760.c b/drivers/w1/slaves/w1_ds2760.c
index 6e153343e11..483d4518091 100644
--- a/drivers/w1/slaves/w1_ds2760.c
+++ b/drivers/w1/slaves/w1_ds2760.c
@@ -97,7 +97,7 @@ int w1_ds2760_recall_eeprom(struct device *dev, int addr)
 	return w1_ds2760_eeprom_cmd(dev, addr, W1_DS2760_RECALL_DATA);
 }
 
-static ssize_t w1_ds2760_read_bin(struct kobject *kobj,
+static ssize_t w1_ds2760_read_bin(struct file *filp, struct kobject *kobj,
 				  struct bin_attribute *bin_attr,
 				  char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index ad5897dc449..2839e281cd6 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -120,7 +120,7 @@ static struct device_attribute w1_slave_attr_id =
 
 /* Default family */
 
-static ssize_t w1_default_write(struct kobject *kobj,
+static ssize_t w1_default_write(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *bin_attr,
 				char *buf, loff_t off, size_t count)
 {
@@ -139,7 +139,7 @@ out_up:
 	return count;
 }
 
-static ssize_t w1_default_read(struct kobject *kobj,
+static ssize_t w1_default_read(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr,
 			       char *buf, loff_t off, size_t count)
 {
diff --git a/drivers/zorro/zorro-sysfs.c b/drivers/zorro/zorro-sysfs.c
index eb924e0a64c..26f7184ef9e 100644
--- a/drivers/zorro/zorro-sysfs.c
+++ b/drivers/zorro/zorro-sysfs.c
@@ -49,7 +49,7 @@ static ssize_t zorro_show_resource(struct device *dev, struct device_attribute *
 
 static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL);
 
-static ssize_t zorro_read_config(struct kobject *kobj,
+static ssize_t zorro_read_config(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *bin_attr,
 				 char *buf, loff_t off, size_t count)
 {
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index 806b277453f..4e321f7353f 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -46,9 +46,9 @@ struct bin_buffer {
 };
 
 static int
-fill_read(struct dentry *dentry, char *buffer, loff_t off, size_t count)
+fill_read(struct file *file, char *buffer, loff_t off, size_t count)
 {
-	struct sysfs_dirent *attr_sd = dentry->d_fsdata;
+	struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata;
 	struct bin_attribute *attr = attr_sd->s_bin_attr.bin_attr;
 	struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
 	int rc;
@@ -59,7 +59,7 @@ fill_read(struct dentry *dentry, char *buffer, loff_t off, size_t count)
 
 	rc = -EIO;
 	if (attr->read)
-		rc = attr->read(kobj, attr, buffer, off, count);
+		rc = attr->read(file, kobj, attr, buffer, off, count);
 
 	sysfs_put_active(attr_sd);
 
@@ -70,8 +70,7 @@ static ssize_t
 read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off)
 {
 	struct bin_buffer *bb = file->private_data;
-	struct dentry *dentry = file->f_path.dentry;
-	int size = dentry->d_inode->i_size;
+	int size = file->f_path.dentry->d_inode->i_size;
 	loff_t offs = *off;
 	int count = min_t(size_t, bytes, PAGE_SIZE);
 	char *temp;
@@ -92,7 +91,7 @@ read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off)
 
 	mutex_lock(&bb->mutex);
 
-	count = fill_read(dentry, bb->buffer, offs, count);
+	count = fill_read(file, bb->buffer, offs, count);
 	if (count < 0) {
 		mutex_unlock(&bb->mutex);
 		goto out_free;
@@ -117,9 +116,9 @@ read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off)
 }
 
 static int
-flush_write(struct dentry *dentry, char *buffer, loff_t offset, size_t count)
+flush_write(struct file *file, char *buffer, loff_t offset, size_t count)
 {
-	struct sysfs_dirent *attr_sd = dentry->d_fsdata;
+	struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata;
 	struct bin_attribute *attr = attr_sd->s_bin_attr.bin_attr;
 	struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
 	int rc;
@@ -130,7 +129,7 @@ flush_write(struct dentry *dentry, char *buffer, loff_t offset, size_t count)
 
 	rc = -EIO;
 	if (attr->write)
-		rc = attr->write(kobj, attr, buffer, offset, count);
+		rc = attr->write(file, kobj, attr, buffer, offset, count);
 
 	sysfs_put_active(attr_sd);
 
@@ -141,8 +140,7 @@ static ssize_t write(struct file *file, const char __user *userbuf,
 		     size_t bytes, loff_t *off)
 {
 	struct bin_buffer *bb = file->private_data;
-	struct dentry *dentry = file->f_path.dentry;
-	int size = dentry->d_inode->i_size;
+	int size = file->f_path.dentry->d_inode->i_size;
 	loff_t offs = *off;
 	int count = min_t(size_t, bytes, PAGE_SIZE);
 	char *temp;
@@ -165,7 +163,7 @@ static ssize_t write(struct file *file, const char __user *userbuf,
 
 	memcpy(bb->buffer, temp, count);
 
-	count = flush_write(dentry, bb->buffer, offs, count);
+	count = flush_write(file, bb->buffer, offs, count);
 	mutex_unlock(&bb->mutex);
 
 	if (count > 0)
@@ -363,7 +361,7 @@ static int mmap(struct file *file, struct vm_area_struct *vma)
 	if (!attr->mmap)
 		goto out_put;
 
-	rc = attr->mmap(kobj, attr, vma);
+	rc = attr->mmap(file, kobj, attr, vma);
 	if (rc)
 		goto out_put;
 
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 6903e920403..f2694eb4dd3 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -87,17 +87,18 @@ struct attribute_group {
 
 #define attr_name(_attr) (_attr).attr.name
 
+struct file;
 struct vm_area_struct;
 
 struct bin_attribute {
 	struct attribute	attr;
 	size_t			size;
 	void			*private;
-	ssize_t (*read)(struct kobject *, struct bin_attribute *,
+	ssize_t (*read)(struct file *, struct kobject *, struct bin_attribute *,
 			char *, loff_t, size_t);
-	ssize_t (*write)(struct kobject *, struct bin_attribute *,
+	ssize_t (*write)(struct file *,struct kobject *, struct bin_attribute *,
 			 char *, loff_t, size_t);
-	int (*mmap)(struct kobject *, struct bin_attribute *attr,
+	int (*mmap)(struct file *, struct kobject *, struct bin_attribute *attr,
 		    struct vm_area_struct *vma);
 };
 
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 21fe3c42694..0b624e79180 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -138,7 +138,8 @@ extern const void __start_notes __attribute__((weak));
 extern const void __stop_notes __attribute__((weak));
 #define	notes_size (&__stop_notes - &__start_notes)
 
-static ssize_t notes_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+static ssize_t notes_read(struct file *filp, struct kobject *kobj,
+			  struct bin_attribute *bin_attr,
 			  char *buf, loff_t off, size_t count)
 {
 	memcpy(buf, &__start_notes + off, count);
diff --git a/kernel/module.c b/kernel/module.c
index e2564580f3f..5e14483768b 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1182,7 +1182,7 @@ struct module_notes_attrs {
 	struct bin_attribute attrs[0];
 };
 
-static ssize_t module_notes_read(struct kobject *kobj,
+static ssize_t module_notes_read(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *bin_attr,
 				 char *buf, loff_t pos, size_t count)
 {
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index dd321e39e62..486b8f3861d 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -659,7 +659,7 @@ static struct attribute_group bridge_group = {
  *
  * Returns the number of bytes read.
  */
-static ssize_t brforward_read(struct kobject *kobj,
+static ssize_t brforward_read(struct file *filp, struct kobject *kobj,
 			      struct bin_attribute *bin_attr,
 			      char *buf, loff_t off, size_t count)
 {

From 3ff195b011d7decf501a4d55aeed312731094796 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 30 Mar 2010 11:31:26 -0700
Subject: [PATCH 2545/3638] sysfs: Implement sysfs tagged directory support.

The problem.  When implementing a network namespace I need to be able
to have multiple network devices with the same name.  Currently this
is a problem for /sys/class/net/*, /sys/devices/virtual/net/*, and
potentially a few other directories of the form /sys/ ... /net/*.

What this patch does is to add an additional tag field to the
sysfs dirent structure.  For directories that should show different
contents depending on the context such as /sys/class/net/, and
/sys/devices/virtual/net/ this tag field is used to specify the
context in which those directories should be visible.  Effectively
this is the same as creating multiple distinct directories with
the same name but internally to sysfs the result is nicer.

I am calling the concept of a single directory that looks like multiple
directories all at the same path in the filesystem tagged directories.

For the networking namespace the set of directories whose contents I need
to filter with tags can depend on the presence or absence of hotplug
hardware or which modules are currently loaded.  Which means I need
a simple race free way to setup those directories as tagged.

To achieve a reace free design all tagged directories are created
and managed by sysfs itself.

Users of this interface:
- define a type in the sysfs_tag_type enumeration.
- call sysfs_register_ns_types with the type and it's operations
- sysfs_exit_ns when an individual tag is no longer valid

- Implement mount_ns() which returns the ns of the calling process
  so we can attach it to a sysfs superblock.
- Implement ktype.namespace() which returns the ns of a syfs kobject.

Everything else is left up to sysfs and the driver layer.

For the network namespace mount_ns and namespace() are essentially
one line functions, and look to remain that.

Tags are currently represented a const void * pointers as that is
both generic, prevides enough information for equality comparisons,
and is trivial to create for current users, as it is just the
existing namespace pointer.

The work needed in sysfs is more extensive.  At each directory
or symlink creating I need to check if the directory it is being
created in is a tagged directory and if so generate the appropriate
tag to place on the sysfs_dirent.  Likewise at each symlink or
directory removal I need to check if the sysfs directory it is
being removed from is a tagged directory and if so figure out
which tag goes along with the name I am deleting.

Currently only directories which hold kobjects, and
symlinks are supported.  There is not enough information
in the current file attribute interfaces to give us anything
to discriminate on which makes it useless, and there are
no potential users which makes it an uninteresting problem
to solve.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/gpio/gpiolib.c |   2 +-
 drivers/md/bitmap.c    |   4 +-
 drivers/md/md.c        |   6 +--
 fs/sysfs/bin.c         |   2 +-
 fs/sysfs/dir.c         | 112 ++++++++++++++++++++++++++++++++---------
 fs/sysfs/file.c        |  17 ++++---
 fs/sysfs/group.c       |   6 +--
 fs/sysfs/inode.c       |   4 +-
 fs/sysfs/mount.c       |  33 +++++++++++-
 fs/sysfs/symlink.c     |  15 ++++--
 fs/sysfs/sysfs.h       |  20 ++++++--
 include/linux/sysfs.h  |  10 ++++
 lib/kobject.c          |   1 +
 13 files changed, 181 insertions(+), 51 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index eb0c3fe44b2..cae1b8c5b08 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -399,7 +399,7 @@ static int gpio_setup_irq(struct gpio_desc *desc, struct device *dev,
 			goto free_id;
 		}
 
-		pdesc->value_sd = sysfs_get_dirent(dev->kobj.sd, "value");
+		pdesc->value_sd = sysfs_get_dirent(dev->kobj.sd, NULL, "value");
 		if (!pdesc->value_sd) {
 			ret = -ENODEV;
 			goto free_id;
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 26ac8aad0b1..f084249295d 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1678,9 +1678,9 @@ int bitmap_create(mddev_t *mddev)
 
 	bitmap->mddev = mddev;
 
-	bm = sysfs_get_dirent(mddev->kobj.sd, "bitmap");
+	bm = sysfs_get_dirent(mddev->kobj.sd, NULL, "bitmap");
 	if (bm) {
-		bitmap->sysfs_can_clear = sysfs_get_dirent(bm, "can_clear");
+		bitmap->sysfs_can_clear = sysfs_get_dirent(bm, NULL, "can_clear");
 		sysfs_put(bm);
 	} else
 		bitmap->sysfs_can_clear = NULL;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index cefd63daff3..a9fd491796a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1766,7 +1766,7 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
 		kobject_del(&rdev->kobj);
 		goto fail;
 	}
-	rdev->sysfs_state = sysfs_get_dirent(rdev->kobj.sd, "state");
+	rdev->sysfs_state = sysfs_get_dirent(rdev->kobj.sd, NULL, "state");
 
 	list_add_rcu(&rdev->same_set, &mddev->disks);
 	bd_claim_by_disk(rdev->bdev, rdev->bdev->bd_holder, mddev->gendisk);
@@ -4189,7 +4189,7 @@ static int md_alloc(dev_t dev, char *name)
 	mutex_unlock(&disks_mutex);
 	if (!error) {
 		kobject_uevent(&mddev->kobj, KOBJ_ADD);
-		mddev->sysfs_state = sysfs_get_dirent(mddev->kobj.sd, "array_state");
+		mddev->sysfs_state = sysfs_get_dirent(mddev->kobj.sd, NULL, "array_state");
 	}
 	mddev_put(mddev);
 	return error;
@@ -4398,7 +4398,7 @@ static int do_md_run(mddev_t * mddev)
 			printk(KERN_WARNING
 			       "md: cannot register extra attributes for %s\n",
 			       mdname(mddev));
-		mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, "sync_action");
+		mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, NULL, "sync_action");
 	} else if (mddev->ro == 2) /* auto-readonly not meaningful */
 		mddev->ro = 0;
 
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index e9d293593e5..806b277453f 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -501,7 +501,7 @@ int sysfs_create_bin_file(struct kobject *kobj,
 void sysfs_remove_bin_file(struct kobject *kobj,
 			   const struct bin_attribute *attr)
 {
-	sysfs_hash_and_remove(kobj->sd, attr->attr.name);
+	sysfs_hash_and_remove(kobj->sd, NULL, attr->attr.name);
 }
 
 EXPORT_SYMBOL_GPL(sysfs_create_bin_file);
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 590717861c7..b2b83067ccc 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -380,9 +380,15 @@ int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
 {
 	struct sysfs_inode_attrs *ps_iattr;
 
-	if (sysfs_find_dirent(acxt->parent_sd, sd->s_name))
+	if (sysfs_find_dirent(acxt->parent_sd, sd->s_ns, sd->s_name))
 		return -EEXIST;
 
+	if (sysfs_ns_type(acxt->parent_sd) && !sd->s_ns) {
+		WARN(1, KERN_WARNING "sysfs: ns required in '%s' for '%s'\n",
+			acxt->parent_sd->s_name, sd->s_name);
+		return -EINVAL;
+	}
+
 	sd->s_parent = sysfs_get(acxt->parent_sd);
 
 	sysfs_link_sibling(sd);
@@ -533,13 +539,17 @@ void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt)
  *	Pointer to sysfs_dirent if found, NULL if not.
  */
 struct sysfs_dirent *sysfs_find_dirent(struct sysfs_dirent *parent_sd,
+				       const void *ns,
 				       const unsigned char *name)
 {
 	struct sysfs_dirent *sd;
 
-	for (sd = parent_sd->s_dir.children; sd; sd = sd->s_sibling)
+	for (sd = parent_sd->s_dir.children; sd; sd = sd->s_sibling) {
+		if (sd->s_ns != ns)
+			continue;
 		if (!strcmp(sd->s_name, name))
 			return sd;
+	}
 	return NULL;
 }
 
@@ -558,12 +568,13 @@ struct sysfs_dirent *sysfs_find_dirent(struct sysfs_dirent *parent_sd,
  *	Pointer to sysfs_dirent if found, NULL if not.
  */
 struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
+				      const void *ns,
 				      const unsigned char *name)
 {
 	struct sysfs_dirent *sd;
 
 	mutex_lock(&sysfs_mutex);
-	sd = sysfs_find_dirent(parent_sd, name);
+	sd = sysfs_find_dirent(parent_sd, ns, name);
 	sysfs_get(sd);
 	mutex_unlock(&sysfs_mutex);
 
@@ -572,7 +583,8 @@ struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
 EXPORT_SYMBOL_GPL(sysfs_get_dirent);
 
 static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd,
-		      const char *name, struct sysfs_dirent **p_sd)
+	enum kobj_ns_type type, const void *ns, const char *name,
+	struct sysfs_dirent **p_sd)
 {
 	umode_t mode = S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO;
 	struct sysfs_addrm_cxt acxt;
@@ -583,6 +595,9 @@ static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd,
 	sd = sysfs_new_dirent(name, mode, SYSFS_DIR);
 	if (!sd)
 		return -ENOMEM;
+
+	sd->s_flags |= (type << SYSFS_NS_TYPE_SHIFT);
+	sd->s_ns = ns;
 	sd->s_dir.kobj = kobj;
 
 	/* link in */
@@ -601,7 +616,25 @@ static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd,
 int sysfs_create_subdir(struct kobject *kobj, const char *name,
 			struct sysfs_dirent **p_sd)
 {
-	return create_dir(kobj, kobj->sd, name, p_sd);
+	return create_dir(kobj, kobj->sd,
+			  KOBJ_NS_TYPE_NONE, NULL, name, p_sd);
+}
+
+static enum kobj_ns_type sysfs_read_ns_type(struct kobject *kobj)
+{
+	const struct kobj_ns_type_operations *ops;
+	enum kobj_ns_type type;
+
+	ops = kobj_child_ns_ops(kobj);
+	if (!ops)
+		return KOBJ_NS_TYPE_NONE;
+
+	type = ops->type;
+	BUG_ON(type <= KOBJ_NS_TYPE_NONE);
+	BUG_ON(type >= KOBJ_NS_TYPES);
+	BUG_ON(!kobj_ns_type_registered(type));
+
+	return type;
 }
 
 /**
@@ -610,7 +643,9 @@ int sysfs_create_subdir(struct kobject *kobj, const char *name,
  */
 int sysfs_create_dir(struct kobject * kobj)
 {
+	enum kobj_ns_type type;
 	struct sysfs_dirent *parent_sd, *sd;
+	const void *ns = NULL;
 	int error = 0;
 
 	BUG_ON(!kobj);
@@ -620,7 +655,11 @@ int sysfs_create_dir(struct kobject * kobj)
 	else
 		parent_sd = &sysfs_root;
 
-	error = create_dir(kobj, parent_sd, kobject_name(kobj), &sd);
+	if (sysfs_ns_type(parent_sd))
+		ns = kobj->ktype->namespace(kobj);
+	type = sysfs_read_ns_type(kobj);
+
+	error = create_dir(kobj, parent_sd, type, ns, kobject_name(kobj), &sd);
 	if (!error)
 		kobj->sd = sd;
 	return error;
@@ -630,13 +669,19 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
 				struct nameidata *nd)
 {
 	struct dentry *ret = NULL;
-	struct sysfs_dirent *parent_sd = dentry->d_parent->d_fsdata;
+	struct dentry *parent = dentry->d_parent;
+	struct sysfs_dirent *parent_sd = parent->d_fsdata;
 	struct sysfs_dirent *sd;
 	struct inode *inode;
+	enum kobj_ns_type type;
+	const void *ns;
 
 	mutex_lock(&sysfs_mutex);
 
-	sd = sysfs_find_dirent(parent_sd, dentry->d_name.name);
+	type = sysfs_ns_type(parent_sd);
+	ns = sysfs_info(dir->i_sb)->ns[type];
+
+	sd = sysfs_find_dirent(parent_sd, ns, dentry->d_name.name);
 
 	/* no such entry */
 	if (!sd) {
@@ -735,7 +780,8 @@ void sysfs_remove_dir(struct kobject * kobj)
 }
 
 int sysfs_rename(struct sysfs_dirent *sd,
-	struct sysfs_dirent *new_parent_sd, const char *new_name)
+	struct sysfs_dirent *new_parent_sd, const void *new_ns,
+	const char *new_name)
 {
 	const char *dup_name = NULL;
 	int error;
@@ -743,12 +789,12 @@ int sysfs_rename(struct sysfs_dirent *sd,
 	mutex_lock(&sysfs_mutex);
 
 	error = 0;
-	if ((sd->s_parent == new_parent_sd) &&
+	if ((sd->s_parent == new_parent_sd) && (sd->s_ns == new_ns) &&
 	    (strcmp(sd->s_name, new_name) == 0))
 		goto out;	/* nothing to rename */
 
 	error = -EEXIST;
-	if (sysfs_find_dirent(new_parent_sd, new_name))
+	if (sysfs_find_dirent(new_parent_sd, new_ns, new_name))
 		goto out;
 
 	/* rename sysfs_dirent */
@@ -770,6 +816,7 @@ int sysfs_rename(struct sysfs_dirent *sd,
 		sd->s_parent = new_parent_sd;
 		sysfs_link_sibling(sd);
 	}
+	sd->s_ns = new_ns;
 
 	error = 0;
  out:
@@ -780,19 +827,28 @@ int sysfs_rename(struct sysfs_dirent *sd,
 
 int sysfs_rename_dir(struct kobject *kobj, const char *new_name)
 {
-	return sysfs_rename(kobj->sd, kobj->sd->s_parent, new_name);
+	struct sysfs_dirent *parent_sd = kobj->sd->s_parent;
+	const void *new_ns = NULL;
+
+	if (sysfs_ns_type(parent_sd))
+		new_ns = kobj->ktype->namespace(kobj);
+
+	return sysfs_rename(kobj->sd, parent_sd, new_ns, new_name);
 }
 
 int sysfs_move_dir(struct kobject *kobj, struct kobject *new_parent_kobj)
 {
 	struct sysfs_dirent *sd = kobj->sd;
 	struct sysfs_dirent *new_parent_sd;
+	const void *new_ns = NULL;
 
 	BUG_ON(!sd->s_parent);
+	if (sysfs_ns_type(sd->s_parent))
+		new_ns = kobj->ktype->namespace(kobj);
 	new_parent_sd = new_parent_kobj && new_parent_kobj->sd ?
 		new_parent_kobj->sd : &sysfs_root;
 
-	return sysfs_rename(sd, new_parent_sd, sd->s_name);
+	return sysfs_rename(sd, new_parent_sd, new_ns, sd->s_name);
 }
 
 /* Relationship between s_mode and the DT_xxx types */
@@ -807,32 +863,35 @@ static int sysfs_dir_release(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-static struct sysfs_dirent *sysfs_dir_pos(struct sysfs_dirent *parent_sd,
-	ino_t ino, struct sysfs_dirent *pos)
+static struct sysfs_dirent *sysfs_dir_pos(const void *ns,
+	struct sysfs_dirent *parent_sd,	ino_t ino, struct sysfs_dirent *pos)
 {
 	if (pos) {
 		int valid = !(pos->s_flags & SYSFS_FLAG_REMOVED) &&
 			pos->s_parent == parent_sd &&
 			ino == pos->s_ino;
 		sysfs_put(pos);
-		if (valid)
-			return pos;
+		if (!valid)
+			pos = NULL;
 	}
-	pos = NULL;
-	if ((ino > 1) && (ino < INT_MAX)) {
+	if (!pos && (ino > 1) && (ino < INT_MAX)) {
 		pos = parent_sd->s_dir.children;
 		while (pos && (ino > pos->s_ino))
 			pos = pos->s_sibling;
 	}
+	while (pos && pos->s_ns != ns)
+		pos = pos->s_sibling;
 	return pos;
 }
 
-static struct sysfs_dirent *sysfs_dir_next_pos(struct sysfs_dirent *parent_sd,
-	ino_t ino, struct sysfs_dirent *pos)
+static struct sysfs_dirent *sysfs_dir_next_pos(const void *ns,
+	struct sysfs_dirent *parent_sd,	ino_t ino, struct sysfs_dirent *pos)
 {
-	pos = sysfs_dir_pos(parent_sd, ino, pos);
+	pos = sysfs_dir_pos(ns, parent_sd, ino, pos);
 	if (pos)
 		pos = pos->s_sibling;
+	while (pos && pos->s_ns != ns)
+		pos = pos->s_sibling;
 	return pos;
 }
 
@@ -841,8 +900,13 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 	struct dentry *dentry = filp->f_path.dentry;
 	struct sysfs_dirent * parent_sd = dentry->d_fsdata;
 	struct sysfs_dirent *pos = filp->private_data;
+	enum kobj_ns_type type;
+	const void *ns;
 	ino_t ino;
 
+	type = sysfs_ns_type(parent_sd);
+	ns = sysfs_info(dentry->d_sb)->ns[type];
+
 	if (filp->f_pos == 0) {
 		ino = parent_sd->s_ino;
 		if (filldir(dirent, ".", 1, filp->f_pos, ino, DT_DIR) == 0)
@@ -857,9 +921,9 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 			filp->f_pos++;
 	}
 	mutex_lock(&sysfs_mutex);
-	for (pos = sysfs_dir_pos(parent_sd, filp->f_pos, pos);
+	for (pos = sysfs_dir_pos(ns, parent_sd, filp->f_pos, pos);
 	     pos;
-	     pos = sysfs_dir_next_pos(parent_sd, filp->f_pos, pos)) {
+	     pos = sysfs_dir_next_pos(ns, parent_sd, filp->f_pos, pos)) {
 		const char * name;
 		unsigned int type;
 		int len, ret;
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index e222b258274..1beaa739d0a 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -478,9 +478,12 @@ void sysfs_notify(struct kobject *k, const char *dir, const char *attr)
 	mutex_lock(&sysfs_mutex);
 
 	if (sd && dir)
-		sd = sysfs_find_dirent(sd, dir);
+		/* Only directories are tagged, so no need to pass
+		 * a tag explicitly.
+		 */
+		sd = sysfs_find_dirent(sd, NULL, dir);
 	if (sd && attr)
-		sd = sysfs_find_dirent(sd, attr);
+		sd = sysfs_find_dirent(sd, NULL, attr);
 	if (sd)
 		sysfs_notify_dirent(sd);
 
@@ -569,7 +572,7 @@ int sysfs_add_file_to_group(struct kobject *kobj,
 	int error;
 
 	if (group)
-		dir_sd = sysfs_get_dirent(kobj->sd, group);
+		dir_sd = sysfs_get_dirent(kobj->sd, NULL, group);
 	else
 		dir_sd = sysfs_get(kobj->sd);
 
@@ -599,7 +602,7 @@ int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode)
 	mutex_lock(&sysfs_mutex);
 
 	rc = -ENOENT;
-	sd = sysfs_find_dirent(kobj->sd, attr->name);
+	sd = sysfs_find_dirent(kobj->sd, NULL, attr->name);
 	if (!sd)
 		goto out;
 
@@ -624,7 +627,7 @@ EXPORT_SYMBOL_GPL(sysfs_chmod_file);
 
 void sysfs_remove_file(struct kobject * kobj, const struct attribute * attr)
 {
-	sysfs_hash_and_remove(kobj->sd, attr->name);
+	sysfs_hash_and_remove(kobj->sd, NULL, attr->name);
 }
 
 void sysfs_remove_files(struct kobject * kobj, const struct attribute **ptr)
@@ -646,11 +649,11 @@ void sysfs_remove_file_from_group(struct kobject *kobj,
 	struct sysfs_dirent *dir_sd;
 
 	if (group)
-		dir_sd = sysfs_get_dirent(kobj->sd, group);
+		dir_sd = sysfs_get_dirent(kobj->sd, NULL, group);
 	else
 		dir_sd = sysfs_get(kobj->sd);
 	if (dir_sd) {
-		sysfs_hash_and_remove(dir_sd, attr->name);
+		sysfs_hash_and_remove(dir_sd, NULL, attr->name);
 		sysfs_put(dir_sd);
 	}
 }
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index fe611949a7f..23c1e598792 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -23,7 +23,7 @@ static void remove_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
 	int i;
 
 	for (i = 0, attr = grp->attrs; *attr; i++, attr++)
-		sysfs_hash_and_remove(dir_sd, (*attr)->name);
+		sysfs_hash_and_remove(dir_sd, NULL, (*attr)->name);
 }
 
 static int create_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
@@ -39,7 +39,7 @@ static int create_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
 		 * visibility.  Do this by first removing then
 		 * re-adding (if required) the file */
 		if (update)
-			sysfs_hash_and_remove(dir_sd, (*attr)->name);
+			sysfs_hash_and_remove(dir_sd, NULL, (*attr)->name);
 		if (grp->is_visible) {
 			mode = grp->is_visible(kobj, *attr, i);
 			if (!mode)
@@ -132,7 +132,7 @@ void sysfs_remove_group(struct kobject * kobj,
 	struct sysfs_dirent *sd;
 
 	if (grp->name) {
-		sd = sysfs_get_dirent(dir_sd, grp->name);
+		sd = sysfs_get_dirent(dir_sd, NULL, grp->name);
 		if (!sd) {
 			WARN(!sd, KERN_WARNING "sysfs group %p not found for "
 				"kobject '%s'\n", grp, kobject_name(kobj));
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index a4a0a941971..cf2bad1462e 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -324,7 +324,7 @@ void sysfs_delete_inode(struct inode *inode)
 	sysfs_put(sd);
 }
 
-int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name)
+int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const void *ns, const char *name)
 {
 	struct sysfs_addrm_cxt acxt;
 	struct sysfs_dirent *sd;
@@ -334,7 +334,7 @@ int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name)
 
 	sysfs_addrm_start(&acxt, dir_sd);
 
-	sd = sysfs_find_dirent(dir_sd, name);
+	sd = sysfs_find_dirent(dir_sd, ns, name);
 	if (sd)
 		sysfs_remove_one(&acxt, sd);
 
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 50e4fb6a740..1afa32ba242 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -35,7 +35,7 @@ static const struct super_operations sysfs_ops = {
 struct sysfs_dirent sysfs_root = {
 	.s_name		= "",
 	.s_count	= ATOMIC_INIT(1),
-	.s_flags	= SYSFS_DIR,
+	.s_flags	= SYSFS_DIR | (KOBJ_NS_TYPE_NONE << SYSFS_NS_TYPE_SHIFT),
 	.s_mode		= S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
 	.s_ino		= 1,
 };
@@ -76,7 +76,13 @@ static int sysfs_test_super(struct super_block *sb, void *data)
 {
 	struct sysfs_super_info *sb_info = sysfs_info(sb);
 	struct sysfs_super_info *info = data;
+	enum kobj_ns_type type;
 	int found = 1;
+
+	for (type = KOBJ_NS_TYPE_NONE; type < KOBJ_NS_TYPES; type++) {
+		if (sb_info->ns[type] != info->ns[type])
+			found = 0;
+	}
 	return found;
 }
 
@@ -93,6 +99,7 @@ static int sysfs_get_sb(struct file_system_type *fs_type,
 	int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
 	struct sysfs_super_info *info;
+	enum kobj_ns_type type;
 	struct super_block *sb;
 	int error;
 
@@ -100,6 +107,10 @@ static int sysfs_get_sb(struct file_system_type *fs_type,
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info)
 		goto out;
+
+	for (type = KOBJ_NS_TYPE_NONE; type < KOBJ_NS_TYPES; type++)
+		info->ns[type] = kobj_ns_current(type);
+
 	sb = sget(fs_type, sysfs_test_super, sysfs_set_super, info);
 	if (IS_ERR(sb) || sb->s_fs_info != info)
 		kfree(info);
@@ -137,6 +148,26 @@ static struct file_system_type sysfs_fs_type = {
 	.kill_sb	= sysfs_kill_sb,
 };
 
+void sysfs_exit_ns(enum kobj_ns_type type, const void *ns)
+{
+	struct super_block *sb;
+
+	mutex_lock(&sysfs_mutex);
+	spin_lock(&sb_lock);
+	list_for_each_entry(sb, &sysfs_fs_type.fs_supers, s_instances) {
+		struct sysfs_super_info *info = sysfs_info(sb);
+		/* Ignore superblocks that are in the process of unmounting */
+		if (sb->s_count <= S_BIAS)
+			continue;
+		/* Ignore superblocks with the wrong ns */
+		if (info->ns[type] != ns)
+			continue;
+		info->ns[type] = NULL;
+	}
+	spin_unlock(&sb_lock);
+	mutex_unlock(&sysfs_mutex);
+}
+
 int __init sysfs_init(void)
 {
 	int err = -ENOMEM;
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index 942f239a213..b6ebdaa00f3 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -58,6 +58,8 @@ static int sysfs_do_create_link(struct kobject *kobj, struct kobject *target,
 	if (!sd)
 		goto out_put;
 
+	if (sysfs_ns_type(parent_sd))
+		sd->s_ns = target->ktype->namespace(target);
 	sd->s_symlink.target_sd = target_sd;
 	target_sd = NULL;	/* reference is now owned by the symlink */
 
@@ -121,7 +123,7 @@ void sysfs_remove_link(struct kobject * kobj, const char * name)
 	else
 		parent_sd = kobj->sd;
 
-	sysfs_hash_and_remove(parent_sd, name);
+	sysfs_hash_and_remove(parent_sd, NULL, name);
 }
 
 /**
@@ -137,6 +139,7 @@ int sysfs_rename_link(struct kobject *kobj, struct kobject *targ,
 			const char *old, const char *new)
 {
 	struct sysfs_dirent *parent_sd, *sd = NULL;
+	const void *old_ns = NULL, *new_ns = NULL;
 	int result;
 
 	if (!kobj)
@@ -144,8 +147,11 @@ int sysfs_rename_link(struct kobject *kobj, struct kobject *targ,
 	else
 		parent_sd = kobj->sd;
 
+	if (targ->sd)
+		old_ns = targ->sd->s_ns;
+
 	result = -ENOENT;
-	sd = sysfs_get_dirent(parent_sd, old);
+	sd = sysfs_get_dirent(parent_sd, old_ns, old);
 	if (!sd)
 		goto out;
 
@@ -155,7 +161,10 @@ int sysfs_rename_link(struct kobject *kobj, struct kobject *targ,
 	if (sd->s_symlink.target_sd->s_dir.kobj != targ)
 		goto out;
 
-	result = sysfs_rename(sd, parent_sd, new);
+	if (sysfs_ns_type(parent_sd))
+		new_ns = targ->ktype->namespace(targ);
+
+	result = sysfs_rename(sd, parent_sd, new_ns, new);
 
 out:
 	sysfs_put(sd);
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 030a39dbb02..93847d54c2e 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -58,6 +58,7 @@ struct sysfs_dirent {
 	struct sysfs_dirent	*s_sibling;
 	const char		*s_name;
 
+	const void		*s_ns;
 	union {
 		struct sysfs_elem_dir		s_dir;
 		struct sysfs_elem_symlink	s_symlink;
@@ -81,14 +82,22 @@ struct sysfs_dirent {
 #define SYSFS_COPY_NAME			(SYSFS_DIR | SYSFS_KOBJ_LINK)
 #define SYSFS_ACTIVE_REF		(SYSFS_KOBJ_ATTR | SYSFS_KOBJ_BIN_ATTR)
 
-#define SYSFS_FLAG_MASK			~SYSFS_TYPE_MASK
-#define SYSFS_FLAG_REMOVED		0x0200
+#define SYSFS_NS_TYPE_MASK		0xff00
+#define SYSFS_NS_TYPE_SHIFT		8
+
+#define SYSFS_FLAG_MASK			~(SYSFS_NS_TYPE_MASK|SYSFS_TYPE_MASK)
+#define SYSFS_FLAG_REMOVED		0x020000
 
 static inline unsigned int sysfs_type(struct sysfs_dirent *sd)
 {
 	return sd->s_flags & SYSFS_TYPE_MASK;
 }
 
+static inline enum kobj_ns_type sysfs_ns_type(struct sysfs_dirent *sd)
+{
+	return (sd->s_flags & SYSFS_NS_TYPE_MASK) >> SYSFS_NS_TYPE_SHIFT;
+}
+
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 #define sysfs_dirent_init_lockdep(sd)				\
 do {								\
@@ -115,6 +124,7 @@ struct sysfs_addrm_cxt {
  * mount.c
  */
 struct sysfs_super_info {
+	const void *ns[KOBJ_NS_TYPES];
 };
 #define sysfs_info(SB) ((struct sysfs_super_info *)(SB->s_fs_info))
 extern struct sysfs_dirent sysfs_root;
@@ -140,8 +150,10 @@ void sysfs_remove_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd);
 void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt);
 
 struct sysfs_dirent *sysfs_find_dirent(struct sysfs_dirent *parent_sd,
+				       const void *ns,
 				       const unsigned char *name);
 struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
+				      const void *ns,
 				      const unsigned char *name);
 struct sysfs_dirent *sysfs_new_dirent(const char *name, umode_t mode, int type);
 
@@ -152,7 +164,7 @@ int sysfs_create_subdir(struct kobject *kobj, const char *name,
 void sysfs_remove_subdir(struct sysfs_dirent *sd);
 
 int sysfs_rename(struct sysfs_dirent *sd,
-	struct sysfs_dirent *new_parent_sd, const char *new_name);
+	struct sysfs_dirent *new_parent_sd, const void *ns, const char *new_name);
 
 static inline struct sysfs_dirent *__sysfs_get(struct sysfs_dirent *sd)
 {
@@ -182,7 +194,7 @@ int sysfs_setattr(struct dentry *dentry, struct iattr *iattr);
 int sysfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat);
 int sysfs_setxattr(struct dentry *dentry, const char *name, const void *value,
 		size_t size, int flags);
-int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name);
+int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const void *ns, const char *name);
 int sysfs_inode_init(void);
 
 /*
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index f0496b3d181..1885d21b0c8 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -20,6 +20,7 @@
 
 struct kobject;
 struct module;
+enum kobj_ns_type;
 
 /* FIXME
  * The *owner field is no longer used.
@@ -168,10 +169,14 @@ void sysfs_remove_file_from_group(struct kobject *kobj,
 void sysfs_notify(struct kobject *kobj, const char *dir, const char *attr);
 void sysfs_notify_dirent(struct sysfs_dirent *sd);
 struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
+				      const void *ns,
 				      const unsigned char *name);
 struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd);
 void sysfs_put(struct sysfs_dirent *sd);
 void sysfs_printk_last_file(void);
+
+void sysfs_exit_ns(enum kobj_ns_type type, const void *tag);
+
 int __must_check sysfs_init(void);
 
 #else /* CONFIG_SYSFS */
@@ -301,6 +306,7 @@ static inline void sysfs_notify_dirent(struct sysfs_dirent *sd)
 }
 static inline
 struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
+				      const void *ns,
 				      const unsigned char *name)
 {
 	return NULL;
@@ -313,6 +319,10 @@ static inline void sysfs_put(struct sysfs_dirent *sd)
 {
 }
 
+static inline void sysfs_exit_ns(enum kobj_ns_type type, const void *tag)
+{
+}
+
 static inline int __must_check sysfs_init(void)
 {
 	return 0;
diff --git a/lib/kobject.c b/lib/kobject.c
index bbb2bb40ee1..b2c6d1f56e6 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -950,6 +950,7 @@ const void *kobj_ns_initial(enum kobj_ns_type type)
 
 void kobj_ns_exit(enum kobj_ns_type type, const void *ns)
 {
+	sysfs_exit_ns(type, ns);
 }
 
 

From de139a3393958c5adc75b7df7619d7e48d9ea559 Mon Sep 17 00:00:00 2001
From: Chris Wright <chrisw@sous-sol.org>
Date: Thu, 13 May 2010 10:43:07 -0700
Subject: [PATCH 2546/3638] pci: check caps from sysfs file open to read device
 dependent config space

The PCI config space bin_attr read handler has a hardcoded CAP_SYS_ADMIN
check to verify privileges before allowing a user to read device
dependent config space.  This is meant to protect from an unprivileged
user potentially locking up the box.

When assigning a PCI device directly to a guest with libvirt and KVM,
the sysfs config space file is chown'd to the unprivileged user that
the KVM guest will run as.  The guest needs to have full access to the
device's config space since it's responsible for driving the device.
However, despite being the owner of the sysfs file, the CAP_SYS_ADMIN
check will not allow read access beyond the config header.

With this patch we check privileges against the capabilities used when
openining the sysfs file.  The allows a privileged process to open the
file and hand it to an unprivileged process, and the unprivileged process
can still read all of the config space.

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/pci/pci-sysfs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index ad44557e65c..6309c5a2528 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -21,6 +21,7 @@
 #include <linux/stat.h>
 #include <linux/topology.h>
 #include <linux/mm.h>
+#include <linux/fs.h>
 #include <linux/capability.h>
 #include <linux/pci-aspm.h>
 #include <linux/slab.h>
@@ -367,7 +368,7 @@ pci_read_config(struct file *filp, struct kobject *kobj,
 	u8 *data = (u8*) buf;
 
 	/* Several chips lock up trying to read undefined config space */
-	if (capable(CAP_SYS_ADMIN)) {
+	if (cap_raised(filp->f_cred->cap_effective, CAP_SYS_ADMIN)) {
 		size = dev->cfg_size;
 	} else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) {
 		size = 128;

From 1d9e882ba4971f31473dd812da64909f30a6c242 Mon Sep 17 00:00:00 2001
From: Christoph Egger <siccegge@cs.fau.de>
Date: Mon, 17 May 2010 16:57:58 +0200
Subject: [PATCH 2547/3638] driver-core: fix Typo in drivers/base/core.c for
 CONFIG_MODULE

In this code section the final S of CONFIG_MODULES was missed making
the whole check useless

Signed-off-by: Christoph Egger <siccegge@cs.fau.de>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 17e7d5048b8..9630fbdf4e6 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1420,7 +1420,7 @@ struct device *__root_device_register(const char *name, struct module *owner)
 		return ERR_PTR(err);
 	}
 
-#ifdef CONFIG_MODULE	/* gotta find a "cleaner" way to do this */
+#ifdef CONFIG_MODULES	/* gotta find a "cleaner" way to do this */
 	if (owner) {
 		struct module_kobject *mk = &owner->mkobj;
 

From 07e98962fa778b9782c8845dfcb06a84cc050744 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 4 May 2010 17:36:44 -0700
Subject: [PATCH 2548/3638] kobject: Send hotplug events in all network
 namespaces

Open a copy of the uevent kernel socket in each network
namespace so we can send uevents in all network namespaces.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 lib/kobject_uevent.c | 68 ++++++++++++++++++++++++++++++++++++++------
 1 file changed, 60 insertions(+), 8 deletions(-)

diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 7b48d44ced6..9084f2550c2 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -24,13 +24,19 @@
 #include <linux/skbuff.h>
 #include <linux/netlink.h>
 #include <net/sock.h>
+#include <net/net_namespace.h>
 
 
 u64 uevent_seqnum;
 char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH;
 static DEFINE_SPINLOCK(sequence_lock);
-#if defined(CONFIG_NET)
-static struct sock *uevent_sock;
+#ifdef CONFIG_NET
+struct uevent_sock {
+	struct list_head list;
+	struct sock *sk;
+};
+static LIST_HEAD(uevent_sock_list);
+static DEFINE_MUTEX(uevent_sock_mutex);
 #endif
 
 /* the strings here must match the enum in include/linux/kobject.h */
@@ -100,6 +106,9 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 	u64 seq;
 	int i = 0;
 	int retval = 0;
+#ifdef CONFIG_NET
+	struct uevent_sock *ue_sk;
+#endif
 
 	pr_debug("kobject: '%s' (%p): %s\n",
 		 kobject_name(kobj), kobj, __func__);
@@ -211,7 +220,9 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 
 #if defined(CONFIG_NET)
 	/* send netlink message */
-	if (uevent_sock) {
+	mutex_lock(&uevent_sock_mutex);
+	list_for_each_entry(ue_sk, &uevent_sock_list, list) {
+		struct sock *uevent_sock = ue_sk->sk;
 		struct sk_buff *skb;
 		size_t len;
 
@@ -241,6 +252,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 		} else
 			retval = -ENOMEM;
 	}
+	mutex_unlock(&uevent_sock_mutex);
 #endif
 
 	/* call uevent_helper, usually only enabled during early boot */
@@ -320,18 +332,58 @@ int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
 EXPORT_SYMBOL_GPL(add_uevent_var);
 
 #if defined(CONFIG_NET)
-static int __init kobject_uevent_init(void)
+static int uevent_net_init(struct net *net)
 {
-	uevent_sock = netlink_kernel_create(&init_net, NETLINK_KOBJECT_UEVENT,
-					    1, NULL, NULL, THIS_MODULE);
-	if (!uevent_sock) {
+	struct uevent_sock *ue_sk;
+
+	ue_sk = kzalloc(sizeof(*ue_sk), GFP_KERNEL);
+	if (!ue_sk)
+		return -ENOMEM;
+
+	ue_sk->sk = netlink_kernel_create(net, NETLINK_KOBJECT_UEVENT,
+					  1, NULL, NULL, THIS_MODULE);
+	if (!ue_sk->sk) {
 		printk(KERN_ERR
 		       "kobject_uevent: unable to create netlink socket!\n");
 		return -ENODEV;
 	}
-	netlink_set_nonroot(NETLINK_KOBJECT_UEVENT, NL_NONROOT_RECV);
+	mutex_lock(&uevent_sock_mutex);
+	list_add_tail(&ue_sk->list, &uevent_sock_list);
+	mutex_unlock(&uevent_sock_mutex);
 	return 0;
 }
 
+static void uevent_net_exit(struct net *net)
+{
+	struct uevent_sock *ue_sk;
+
+	mutex_lock(&uevent_sock_mutex);
+	list_for_each_entry(ue_sk, &uevent_sock_list, list) {
+		if (sock_net(ue_sk->sk) == net)
+			goto found;
+	}
+	mutex_unlock(&uevent_sock_mutex);
+	return;
+
+found:
+	list_del(&ue_sk->list);
+	mutex_unlock(&uevent_sock_mutex);
+
+	netlink_kernel_release(ue_sk->sk);
+	kfree(ue_sk);
+}
+
+static struct pernet_operations uevent_net_ops = {
+	.init	= uevent_net_init,
+	.exit	= uevent_net_exit,
+};
+
+static int __init kobject_uevent_init(void)
+{
+	netlink_set_nonroot(NETLINK_KOBJECT_UEVENT, NL_NONROOT_RECV);
+	return register_pernet_subsys(&uevent_net_ops);
+}
+
+
 postcore_initcall(kobject_uevent_init);
 #endif

From 608b4b9548dedf4185ca47edcaae4bff2ceb62de Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 4 May 2010 17:36:45 -0700
Subject: [PATCH 2549/3638] netns: Teach network device kobjects which
 namespace they are in.

The problem.  Network devices show up in sysfs and with the network
namespace active multiple devices with the same name can show up in
the same directory, ouch!

To avoid that problem and allow existing applications in network namespaces
to see the same interface that is currently presented in sysfs, this
patch enables the tagging directory support in sysfs.

By using the network namespace pointers as tags to separate out the
the sysfs directory entries we ensure that we don't have conflicts
in the directories and applications only see a limited set of
the network devices.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/kobject.h |  1 +
 net/Kconfig             |  8 +++++++
 net/core/net-sysfs.c    | 47 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+)

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index b60d2dfe4e6..cf343a85253 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -142,6 +142,7 @@ extern const struct sysfs_ops kobj_sysfs_ops;
  */
 enum kobj_ns_type {
 	KOBJ_NS_TYPE_NONE = 0,
+	KOBJ_NS_TYPE_NET,
 	KOBJ_NS_TYPES
 };
 
diff --git a/net/Kconfig b/net/Kconfig
index 0d68b40fc0e..f49532053a9 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -45,6 +45,14 @@ config COMPAT_NETLINK_MESSAGES
 
 menu "Networking options"
 
+config NET_NS
+	bool "Network namespace support"
+	default n
+	depends on EXPERIMENTAL && NAMESPACES
+	help
+	  Allow user space to create what appear to be multiple instances
+	  of the network stack.
+
 source "net/packet/Kconfig"
 source "net/unix/Kconfig"
 source "net/xfrm/Kconfig"
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index c57c4b228bb..b388cdab931 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -14,7 +14,9 @@
 #include <linux/netdevice.h>
 #include <linux/if_arp.h>
 #include <linux/slab.h>
+#include <linux/nsproxy.h>
 #include <net/sock.h>
+#include <net/net_namespace.h>
 #include <linux/rtnetlink.h>
 #include <linux/wireless.h>
 #include <linux/vmalloc.h>
@@ -766,6 +768,38 @@ static void rx_queue_remove_kobjects(struct net_device *net)
 	kset_unregister(net->queues_kset);
 }
 #endif /* CONFIG_RPS */
+
+static const void *net_current_ns(void)
+{
+	return current->nsproxy->net_ns;
+}
+
+static const void *net_initial_ns(void)
+{
+	return &init_net;
+}
+
+static const void *net_netlink_ns(struct sock *sk)
+{
+	return sock_net(sk);
+}
+
+static struct kobj_ns_type_operations net_ns_type_operations = {
+	.type = KOBJ_NS_TYPE_NET,
+	.current_ns = net_current_ns,
+	.netlink_ns = net_netlink_ns,
+	.initial_ns = net_initial_ns,
+};
+
+static void net_kobj_ns_exit(struct net *net)
+{
+	kobj_ns_exit(KOBJ_NS_TYPE_NET, net);
+}
+
+static struct pernet_operations sysfs_net_ops = {
+	.exit = net_kobj_ns_exit,
+};
+
 #endif /* CONFIG_SYSFS */
 
 #ifdef CONFIG_HOTPLUG
@@ -806,6 +840,13 @@ static void netdev_release(struct device *d)
 	kfree((char *)dev - dev->padded);
 }
 
+static const void *net_namespace(struct device *d)
+{
+	struct net_device *dev;
+	dev = container_of(d, struct net_device, dev);
+	return dev_net(dev);
+}
+
 static struct class net_class = {
 	.name = "net",
 	.dev_release = netdev_release,
@@ -815,6 +856,8 @@ static struct class net_class = {
 #ifdef CONFIG_HOTPLUG
 	.dev_uevent = netdev_uevent,
 #endif
+	.ns_type = &net_ns_type_operations,
+	.namespace = net_namespace,
 };
 
 /* Delete sysfs entries but hold kobject reference until after all
@@ -904,5 +947,9 @@ void netdev_initialize_kobject(struct net_device *net)
 
 int netdev_kobject_init(void)
 {
+	kobj_ns_type_register(&net_ns_type_operations);
+#ifdef CONFIG_SYSFS
+	register_pernet_subsys(&sysfs_net_ops);
+#endif
 	return class_register(&net_class);
 }

From d6523ddf2376f39eaa89a4d68a33052d20c138b9 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 16 May 2010 21:59:45 -0700
Subject: [PATCH 2550/3638] net/sysfs: Fix the bitrot in network device kobject
 namespace support

I had a couple of stupid bugs in:
netns: Teach network device kobjects which namespace they are in.

- I duplicated the Kconfig for the NET_NS
- The build was broken when sysfs was not compiled in

The sysfs breakage is because after I moved the operations
for the sysfs to the kobject layer, to make things cleaner
I forgot to move the ifdefs.  Opps.

I'm not quite certain how I got introduced a second NET_NS Kconfig,
but it was probably a 3 way merge somewhere along the way that
did not notice that the NET_NS Kconfig option had mvoed and thout
that was a bug.  It probably slipped in because it used to be the
sysfs patches were the first patches in my network namespace patches.
Some things just don't go like you would expect.

Neither of these bugs actually affect anything in the common case
but they should be fixed.

Thanks to Serge for noticing they were present.

Reported-by: Serge E. Hallyn <serue@us.ibm.com>
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Acked-by: David S. Miller <davem@davemloft.net>
---
 net/Kconfig          | 8 --------
 net/core/net-sysfs.c | 8 +++-----
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/net/Kconfig b/net/Kconfig
index f49532053a9..0d68b40fc0e 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -45,14 +45,6 @@ config COMPAT_NETLINK_MESSAGES
 
 menu "Networking options"
 
-config NET_NS
-	bool "Network namespace support"
-	default n
-	depends on EXPERIMENTAL && NAMESPACES
-	help
-	  Allow user space to create what appear to be multiple instances
-	  of the network stack.
-
 source "net/packet/Kconfig"
 source "net/unix/Kconfig"
 source "net/xfrm/Kconfig"
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index b388cdab931..6881e65944c 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -469,6 +469,7 @@ static struct attribute_group wireless_group = {
 	.attrs = wireless_attrs,
 };
 #endif
+#endif /* CONFIG_SYSFS */
 
 #ifdef CONFIG_RPS
 /*
@@ -796,11 +797,10 @@ static void net_kobj_ns_exit(struct net *net)
 	kobj_ns_exit(KOBJ_NS_TYPE_NET, net);
 }
 
-static struct pernet_operations sysfs_net_ops = {
+static struct pernet_operations kobj_net_ops = {
 	.exit = net_kobj_ns_exit,
 };
 
-#endif /* CONFIG_SYSFS */
 
 #ifdef CONFIG_HOTPLUG
 static int netdev_uevent(struct device *d, struct kobj_uevent_env *env)
@@ -948,8 +948,6 @@ void netdev_initialize_kobject(struct net_device *net)
 int netdev_kobject_init(void)
 {
 	kobj_ns_type_register(&net_ns_type_operations);
-#ifdef CONFIG_SYSFS
-	register_pernet_subsys(&sysfs_net_ops);
-#endif
+	register_pernet_subsys(&kobj_net_ops);
 	return class_register(&net_class);
 }

From 910a7e905f36e51a17d6e8bb4ad6dcd5ac5f1d53 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 4 May 2010 17:36:46 -0700
Subject: [PATCH 2551/3638] netlink: Implment netlink_broadcast_filtered

When netlink sockets are used to convey data that is in a namespace
we need a way to select a subset of the listening sockets to deliver
the packet to.  For the network namespace we have been doing this
by only transmitting packets in the correct network namespace.

For data belonging to other namespaces netlink_bradcast_filtered
provides a mechanism that allows us to examine the destination
socket and to decide if we should transmit the specified packet
to it.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/netlink.h  |  4 ++++
 net/netlink/af_netlink.c | 21 +++++++++++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 6eaca5e1e8c..59d066936ab 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -188,6 +188,10 @@ extern int netlink_has_listeners(struct sock *sk, unsigned int group);
 extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);
 extern int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 pid,
 			     __u32 group, gfp_t allocation);
+extern int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb,
+	__u32 pid, __u32 group, gfp_t allocation,
+	int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),
+	void *filter_data);
 extern int netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
 extern int netlink_register_notifier(struct notifier_block *nb);
 extern int netlink_unregister_notifier(struct notifier_block *nb);
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 6464a1972a6..a2eb965207d 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -978,6 +978,8 @@ struct netlink_broadcast_data {
 	int delivered;
 	gfp_t allocation;
 	struct sk_buff *skb, *skb2;
+	int (*tx_filter)(struct sock *dsk, struct sk_buff *skb, void *data);
+	void *tx_data;
 };
 
 static inline int do_one_broadcast(struct sock *sk,
@@ -1020,6 +1022,9 @@ static inline int do_one_broadcast(struct sock *sk,
 		p->failure = 1;
 		if (nlk->flags & NETLINK_BROADCAST_SEND_ERROR)
 			p->delivery_failure = 1;
+	} else if (p->tx_filter && p->tx_filter(sk, p->skb2, p->tx_data)) {
+		kfree_skb(p->skb2);
+		p->skb2 = NULL;
 	} else if (sk_filter(sk, p->skb2)) {
 		kfree_skb(p->skb2);
 		p->skb2 = NULL;
@@ -1038,8 +1043,10 @@ out:
 	return 0;
 }
 
-int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
-		      u32 group, gfp_t allocation)
+int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 pid,
+	u32 group, gfp_t allocation,
+	int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),
+	void *filter_data)
 {
 	struct net *net = sock_net(ssk);
 	struct netlink_broadcast_data info;
@@ -1059,6 +1066,8 @@ int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
 	info.allocation = allocation;
 	info.skb = skb;
 	info.skb2 = NULL;
+	info.tx_filter = filter;
+	info.tx_data = filter_data;
 
 	/* While we sleep in clone, do not allow to change socket list */
 
@@ -1083,6 +1092,14 @@ int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
 	}
 	return -ESRCH;
 }
+EXPORT_SYMBOL(netlink_broadcast_filtered);
+
+int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
+		      u32 group, gfp_t allocation)
+{
+	return netlink_broadcast_filtered(ssk, skb, pid, group, allocation,
+		NULL, NULL);
+}
 EXPORT_SYMBOL(netlink_broadcast);
 
 struct netlink_set_err_data {

From 5f71a29629b4717445f8b7f5fb8f50c2d262b68e Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 4 May 2010 17:36:47 -0700
Subject: [PATCH 2552/3638] kobj: Send hotplug events in the proper namespace.

Utilize netlink_broacast_filtered to allow sending hotplug events
in the proper namespace.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 lib/kobject_uevent.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 9084f2550c2..239c8e83fc2 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -83,6 +83,22 @@ out:
 	return ret;
 }
 
+static int kobj_bcast_filter(struct sock *dsk, struct sk_buff *skb, void *data)
+{
+	struct kobject *kobj = data;
+	const struct kobj_ns_type_operations *ops;
+
+	ops = kobj_ns_ops(kobj);
+	if (ops) {
+		const void *sock_ns, *ns;
+		ns = kobj->ktype->namespace(kobj);
+		sock_ns = ops->netlink_ns(dsk);
+		return sock_ns != ns;
+	}
+
+	return 0;
+}
+
 /**
  * kobject_uevent_env - send an uevent with environmental data
  *
@@ -244,8 +260,10 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 			}
 
 			NETLINK_CB(skb).dst_group = 1;
-			retval = netlink_broadcast(uevent_sock, skb, 0, 1,
-						   GFP_KERNEL);
+			retval = netlink_broadcast_filtered(uevent_sock, skb,
+							    0, 1, GFP_KERNEL,
+							    kobj_bcast_filter,
+							    kobj);
 			/* ENOBUFS should be handled in userspace */
 			if (retval == -ENOBUFS)
 				retval = 0;

From 417daa1e8f893fbac88fd395340ba7779fd3926c Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 4 May 2010 17:36:48 -0700
Subject: [PATCH 2553/3638] hotplug: netns aware uevent_helper

It only makes sense for uevent_helper to get events
in the intial namespaces.  It's invocation is not
per namespace and it is not clear how we could make
it's invocation namespace aware.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 lib/kobject_uevent.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 239c8e83fc2..59c15511d58 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -19,7 +19,7 @@
 #include <linux/kobject.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-
+#include <linux/user_namespace.h>
 #include <linux/socket.h>
 #include <linux/skbuff.h>
 #include <linux/netlink.h>
@@ -99,6 +99,21 @@ static int kobj_bcast_filter(struct sock *dsk, struct sk_buff *skb, void *data)
 	return 0;
 }
 
+static int kobj_usermode_filter(struct kobject *kobj)
+{
+	const struct kobj_ns_type_operations *ops;
+
+	ops = kobj_ns_ops(kobj);
+	if (ops) {
+		const void *init_ns, *ns;
+		ns = kobj->ktype->namespace(kobj);
+		init_ns = ops->initial_ns();
+		return ns != init_ns;
+	}
+
+	return 0;
+}
+
 /**
  * kobject_uevent_env - send an uevent with environmental data
  *
@@ -274,7 +289,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 #endif
 
 	/* call uevent_helper, usually only enabled during early boot */
-	if (uevent_helper[0]) {
+	if (uevent_helper[0] && !kobj_usermode_filter(kobj)) {
 		char *argv [3];
 
 		argv [0] = uevent_helper;

From a1b3f594dc5faab91d3a218c7019e9b5edd9fe1a Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 4 May 2010 17:36:49 -0700
Subject: [PATCH 2554/3638] net: Expose all network devices in a namespaces in
 sysfs

This reverts commit aaf8cdc34ddba08122f02217d9d684e2f9f5d575.

Drivers like the ipw2100 call device_create_group when they
are initialized and device_remove_group when they are shutdown.
Moving them between namespaces deletes their sysfs groups early.

In particular the following call chain results.
netdev_unregister_kobject -> device_del -> kobject_del -> sysfs_remove_dir
With sysfs_remove_dir recursively deleting all of it's subdirectories,
and nothing adding them back.

Ouch!

Therefore we need to call something that ultimate calls sysfs_mv_dir
as that sysfs function can move sysfs directories between namespaces
without deleting their subdirectories or their contents.   Allowing
us to avoid placing extra boiler plate into every driver that does
something interesting with sysfs.

Currently the function that provides that capability is device_rename.
That is the code works without nasty side effects as originally written.

So remove the misguided fix for moving devices between namespaces.  The
bug in the kobject layer that inspired it has now been recognized and
fixed.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 net/core/dev.c       | 28 +++++-----------------------
 net/core/net-sysfs.c | 16 +---------------
 net/core/net-sysfs.h |  1 -
 3 files changed, 6 insertions(+), 39 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 6c820650b80..d273e4e3ecd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1002,15 +1002,10 @@ int dev_change_name(struct net_device *dev, const char *newname)
 		return err;
 
 rollback:
-	/* For now only devices in the initial network namespace
-	 * are in sysfs.
-	 */
-	if (net_eq(net, &init_net)) {
-		ret = device_rename(&dev->dev, dev->name);
-		if (ret) {
-			memcpy(dev->name, oldname, IFNAMSIZ);
-			return ret;
-		}
+	ret = device_rename(&dev->dev, dev->name);
+	if (ret) {
+		memcpy(dev->name, oldname, IFNAMSIZ);
+		return ret;
 	}
 
 	write_lock_bh(&dev_base_lock);
@@ -4994,8 +4989,6 @@ int register_netdevice(struct net_device *dev)
 	if (dev->features & NETIF_F_SG)
 		dev->features |= NETIF_F_GSO;
 
-	netdev_initialize_kobject(dev);
-
 	ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
 	ret = notifier_to_errno(ret);
 	if (ret)
@@ -5547,15 +5540,6 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 	if (dev->features & NETIF_F_NETNS_LOCAL)
 		goto out;
 
-#ifdef CONFIG_SYSFS
-	/* Don't allow real devices to be moved when sysfs
-	 * is enabled.
-	 */
-	err = -EINVAL;
-	if (dev->dev.parent)
-		goto out;
-#endif
-
 	/* Ensure the device has been registrered */
 	err = -EINVAL;
 	if (dev->reg_state != NETREG_REGISTERED)
@@ -5606,8 +5590,6 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 	dev_uc_flush(dev);
 	dev_mc_flush(dev);
 
-	netdev_unregister_kobject(dev);
-
 	/* Actually switch the network namespace */
 	dev_net_set(dev, net);
 
@@ -5620,7 +5602,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 	}
 
 	/* Fixup kobjects */
-	err = netdev_register_kobject(dev);
+	err = device_rename(&dev->dev, dev->name);
 	WARN_ON(err);
 
 	/* Add the device back in the hashes */
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 6881e65944c..99e7052d732 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -808,9 +808,6 @@ static int netdev_uevent(struct device *d, struct kobj_uevent_env *env)
 	struct net_device *dev = to_net_dev(d);
 	int retval;
 
-	if (!net_eq(dev_net(dev), &init_net))
-		return 0;
-
 	/* pass interface to uevent. */
 	retval = add_uevent_var(env, "INTERFACE=%s", dev->name);
 	if (retval)
@@ -869,9 +866,6 @@ void netdev_unregister_kobject(struct net_device * net)
 
 	kobject_get(&dev->kobj);
 
-	if (!net_eq(dev_net(net), &init_net))
-		return;
-
 #ifdef CONFIG_RPS
 	rx_queue_remove_kobjects(net);
 #endif
@@ -886,6 +880,7 @@ int netdev_register_kobject(struct net_device *net)
 	const struct attribute_group **groups = net->sysfs_groups;
 	int error = 0;
 
+	device_initialize(dev);
 	dev->class = &net_class;
 	dev->platform_data = net;
 	dev->groups = groups;
@@ -908,9 +903,6 @@ int netdev_register_kobject(struct net_device *net)
 #endif
 #endif /* CONFIG_SYSFS */
 
-	if (!net_eq(dev_net(net), &init_net))
-		return 0;
-
 	error = device_add(dev);
 	if (error)
 		return error;
@@ -939,12 +931,6 @@ void netdev_class_remove_file(struct class_attribute *class_attr)
 EXPORT_SYMBOL(netdev_class_create_file);
 EXPORT_SYMBOL(netdev_class_remove_file);
 
-void netdev_initialize_kobject(struct net_device *net)
-{
-	struct device *device = &(net->dev);
-	device_initialize(device);
-}
-
 int netdev_kobject_init(void)
 {
 	kobj_ns_type_register(&net_ns_type_operations);
diff --git a/net/core/net-sysfs.h b/net/core/net-sysfs.h
index 14e7524260b..805555e8b18 100644
--- a/net/core/net-sysfs.h
+++ b/net/core/net-sysfs.h
@@ -4,5 +4,4 @@
 int netdev_kobject_init(void);
 int netdev_register_kobject(struct net_device *);
 void netdev_unregister_kobject(struct net_device *);
-void netdev_initialize_kobject(struct net_device *);
 #endif

From adff687d8cb0ed62b147a7e1d277846b3130d593 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 21 May 2010 18:40:54 +0200
Subject: [PATCH 2555/3638] i2c-i801: Let the user disable selected driver
 features

Let the user disable selected features normally supported by the
device. This makes it possible to work around possible driver or
hardware bugs if the feature in question doesn't work as intended
for whatever reason.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Felix Rubinstein <felixru@gmail.com>
---
 Documentation/i2c/busses/i2c-i801 |  8 +++++++-
 drivers/i2c/busses/i2c-i801.c     | 21 ++++++++++++++++++++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index e1bb5b26169..e307914a3ed 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -27,7 +27,13 @@ Authors:
 Module Parameters
 -----------------
 
-None.
+* disable_features (bit vector)
+Disable selected features normally supported by the device. This makes it
+possible to work around possible driver or hardware bugs if the feature in
+question doesn't work as intended for whatever reason. Bit values:
+  1  disable SMBus PEC
+  2  disable the block buffer
+  8  disable the I2C block read functionality
 
 
 Description
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 299b918455a..f0fef343e19 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -138,6 +138,17 @@ static struct pci_dev *I801_dev;
 #define FEATURE_I2C_BLOCK_READ	(1 << 3)
 static unsigned int i801_features;
 
+static const char *i801_feature_names[] = {
+	"SMBus PEC",
+	"Block buffer",
+	"Block process call",
+	"I2C block read",
+};
+
+static unsigned int disable_features;
+module_param(disable_features, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(disable_features, "Disable selected driver features");
+
 /* Make sure the SMBus host is ready to start transmitting.
    Return 0 if it is, -EBUSY if it is not. */
 static int i801_check_pre(void)
@@ -692,7 +703,7 @@ static void __devinit dmi_check_onboard_devices(const struct dmi_header *dm,
 static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	unsigned char temp;
-	int err;
+	int err, i;
 #if defined CONFIG_SENSORS_FSCHMD || defined CONFIG_SENSORS_FSCHMD_MODULE
 	const char *vendor;
 #endif
@@ -720,6 +731,14 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
 		break;
 	}
 
+	/* Disable features on user request */
+	for (i = 0; i < ARRAY_SIZE(i801_feature_names); i++) {
+		if (i801_features & disable_features & (1 << i))
+			dev_notice(&dev->dev, "%s disabled by user\n",
+				   i801_feature_names[i]);
+	}
+	i801_features &= ~disable_features;
+
 	err = pci_enable_device(dev);
 	if (err) {
 		dev_err(&dev->dev, "Failed to enable SMBus PCI device (%d)\n",

From e0e8398c7a40f1fb65cefa9d35ed6cd84cee6008 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 21 May 2010 18:40:55 +0200
Subject: [PATCH 2556/3638] i2c-i801: All newer devices have all the optional
 features

Only the oldest devices lack some of the features supported by this
driver. List them explicitly, and default to all features enabled for
all other chips, including the ones added through sysfs. This will
make future driver maintenance easier.

In the unlikely event of a not yet supported device not implementing
all the features, one can always use the disable_features module
parameter to prevent the driver from attempting to use them.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Seth Heasley <seth.heasley@intel.com>
---
 drivers/i2c/busses/i2c-i801.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index f0fef343e19..878299cd0ef 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -711,23 +711,17 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
 	I801_dev = dev;
 	i801_features = 0;
 	switch (dev->device) {
-	case PCI_DEVICE_ID_INTEL_82801EB_3:
-	case PCI_DEVICE_ID_INTEL_ESB_4:
-	case PCI_DEVICE_ID_INTEL_ICH6_16:
-	case PCI_DEVICE_ID_INTEL_ICH7_17:
-	case PCI_DEVICE_ID_INTEL_ESB2_17:
-	case PCI_DEVICE_ID_INTEL_ICH8_5:
-	case PCI_DEVICE_ID_INTEL_ICH9_6:
-	case PCI_DEVICE_ID_INTEL_TOLAPAI_1:
-	case PCI_DEVICE_ID_INTEL_ICH10_4:
-	case PCI_DEVICE_ID_INTEL_ICH10_5:
-	case PCI_DEVICE_ID_INTEL_PCH_SMBUS:
-	case PCI_DEVICE_ID_INTEL_CPT_SMBUS:
+	default:
 		i801_features |= FEATURE_I2C_BLOCK_READ;
 		/* fall through */
 	case PCI_DEVICE_ID_INTEL_82801DB_3:
 		i801_features |= FEATURE_SMBUS_PEC;
 		i801_features |= FEATURE_BLOCK_BUFFER;
+		/* fall through */
+	case PCI_DEVICE_ID_INTEL_82801CA_3:
+	case PCI_DEVICE_ID_INTEL_82801BA_2:
+	case PCI_DEVICE_ID_INTEL_82801AB_3:
+	case PCI_DEVICE_ID_INTEL_82801AA_3:
 		break;
 	}
 

From 3fb21c64b63e2a98755aaad7b90ba9b711491b7e Mon Sep 17 00:00:00 2001
From: Ivo Manca <pinkel@gmail.com>
Date: Fri, 21 May 2010 18:40:55 +0200
Subject: [PATCH 2557/3638] i2c-i801: Fix all checkpatch warnings

Fix all checkpatch warnings. No functional changes are made.

Signed-off-by: Ivo Manca <pinkel@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/busses/i2c-i801.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 878299cd0ef..f4b21f2bb8e 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -352,9 +352,8 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
 		do {
 			msleep(1);
 			status = inb_p(SMBHSTSTS);
-		}
-		while ((!(status & SMBHSTSTS_BYTE_DONE))
-		       && (timeout++ < MAX_TIMEOUT));
+		} while ((!(status & SMBHSTSTS_BYTE_DONE))
+			 && (timeout++ < MAX_TIMEOUT));
 
 		result = i801_check_post(status, timeout > MAX_TIMEOUT);
 		if (result < 0)
@@ -451,9 +450,9 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
 }
 
 /* Return negative errno on error. */
-static s32 i801_access(struct i2c_adapter * adap, u16 addr,
+static s32 i801_access(struct i2c_adapter *adap, u16 addr,
 		       unsigned short flags, char read_write, u8 command,
-		       int size, union i2c_smbus_data * data)
+		       int size, union i2c_smbus_data *data)
 {
 	int hwpec;
 	int block = 0;
@@ -522,7 +521,7 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
 	else
 		outb_p(inb_p(SMBAUXCTL) & (~SMBAUXCTL_CRC), SMBAUXCTL);
 
-	if(block)
+	if (block)
 		ret = i801_block_transaction(data, read_write, size, hwpec);
 	else
 		ret = i801_transaction(xact | ENABLE_INT9);
@@ -534,9 +533,9 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
 		outb_p(inb_p(SMBAUXCTL) & ~(SMBAUXCTL_CRC | SMBAUXCTL_E32B),
 		       SMBAUXCTL);
 
-	if(block)
+	if (block)
 		return ret;
-	if(ret)
+	if (ret)
 		return ret;
 	if ((read_write == I2C_SMBUS_WRITE) || (xact == I801_QUICK))
 		return 0;
@@ -596,7 +595,7 @@ static const struct pci_device_id i801_ids[] = {
 	{ 0, }
 };
 
-MODULE_DEVICE_TABLE (pci, i801_ids);
+MODULE_DEVICE_TABLE(pci, i801_ids);
 
 #if defined CONFIG_INPUT_APANEL || defined CONFIG_INPUT_APANEL_MODULE
 static unsigned char apanel_addr;
@@ -700,7 +699,8 @@ static void __devinit dmi_check_onboard_devices(const struct dmi_header *dm,
 }
 #endif
 
-static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
+static int __devinit i801_probe(struct pci_dev *dev,
+				const struct pci_device_id *id)
 {
 	unsigned char temp;
 	int err, i;

From e624dbd32446f40caad05284bf6cb8a5337d2048 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 21 May 2010 18:40:56 +0200
Subject: [PATCH 2558/3638] i2c/scx200_acb: Make PCI device ids constant
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Make PCI device ids constant as we just did for many other i2c bus
drivers already.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Márton Németh <nm127@freemail.hu>
---
 drivers/i2c/busses/scx200_acb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index 684395b6f3e..36bb61170df 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -552,7 +552,7 @@ static int __init scx200_create_isa(const char *text, unsigned long base,
  * the name and the BAR where the I/O address resource is located.  ISA
  * devices are flagged with a bar value of -1 */
 
-static struct pci_device_id scx200_pci[] = {
+static const struct pci_device_id scx200_pci[] __initconst = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SCx200_BRIDGE),
 	  .driver_data = 0 },
 	{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SC1100_BRIDGE),

From c5aa69285c573e42042530be86b7af6f5fe9e240 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 21 May 2010 18:40:56 +0200
Subject: [PATCH 2559/3638] i2c-stub: Expose the default functionality flags

It is easier to adjust the flags when you know their default value.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
---
 drivers/i2c/busses/i2c-stub.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-stub.c b/drivers/i2c/busses/i2c-stub.c
index 0c770eabe85..b1b3447942c 100644
--- a/drivers/i2c/busses/i2c-stub.c
+++ b/drivers/i2c/busses/i2c-stub.c
@@ -29,13 +29,16 @@
 #include <linux/i2c.h>
 
 #define MAX_CHIPS 10
+#define STUB_FUNC (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | \
+		   I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | \
+		   I2C_FUNC_SMBUS_I2C_BLOCK)
 
 static unsigned short chip_addr[MAX_CHIPS];
 module_param_array(chip_addr, ushort, NULL, S_IRUGO);
 MODULE_PARM_DESC(chip_addr,
 		 "Chip addresses (up to 10, between 0x03 and 0x77)");
 
-static unsigned long functionality = ~0UL;
+static unsigned long functionality = STUB_FUNC;
 module_param(functionality, ulong, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(functionality, "Override functionality bitfield");
 
@@ -156,9 +159,7 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 
 static u32 stub_func(struct i2c_adapter *adapter)
 {
-	return (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
-		I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
-		I2C_FUNC_SMBUS_I2C_BLOCK) & functionality;
+	return STUB_FUNC & functionality;
 }
 
 static const struct i2c_algorithm smbus_algorithm = {

From 7aeb96642f70139a194d685b132605836f6f8dbb Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 21 May 2010 18:40:57 +0200
Subject: [PATCH 2560/3638] at24: Fall back to byte or word reads if needed

Increase the portability of the at24 driver by letting it read from
EEPROM chips connected to cheap SMBus controllers that support neither
raw I2C messages nor even I2C block reads. All SMBus controllers
should support either word reads or byte reads, so read support
becomes universal, much like with the legacy "eeprom" driver.

Obviously, this only works with EEPROM chips up to AT24C16, that use
8-bit offset addressing. 16-bit offset addressing is almost impossible
to support on SMBus controllers.

I did not add universal support for writes, as I had no immediate need
for this, but it could be added later if needed (with the same
performance issue as byte and word reads have, of course.)

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Konstantin Lazarev <klazarev@sbcglobal.net>
---
 drivers/misc/eeprom/at24.c | 59 +++++++++++++++++++++++++++++++-------
 1 file changed, 48 insertions(+), 11 deletions(-)

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index db7d0f21b65..0c11e411d8e 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -54,7 +54,7 @@
 struct at24_data {
 	struct at24_platform_data chip;
 	struct memory_accessor macc;
-	bool use_smbus;
+	int use_smbus;
 
 	/*
 	 * Lock protects against activities from other Linux tasks,
@@ -184,11 +184,19 @@ static ssize_t at24_eeprom_read(struct at24_data *at24, char *buf,
 	if (count > io_limit)
 		count = io_limit;
 
-	if (at24->use_smbus) {
+	switch (at24->use_smbus) {
+	case I2C_SMBUS_I2C_BLOCK_DATA:
 		/* Smaller eeproms can work given some SMBus extension calls */
 		if (count > I2C_SMBUS_BLOCK_MAX)
 			count = I2C_SMBUS_BLOCK_MAX;
-	} else {
+		break;
+	case I2C_SMBUS_WORD_DATA:
+		count = 2;
+		break;
+	case I2C_SMBUS_BYTE_DATA:
+		count = 1;
+		break;
+	default:
 		/*
 		 * When we have a better choice than SMBus calls, use a
 		 * combined I2C message. Write address; then read up to
@@ -219,10 +227,27 @@ static ssize_t at24_eeprom_read(struct at24_data *at24, char *buf,
 	timeout = jiffies + msecs_to_jiffies(write_timeout);
 	do {
 		read_time = jiffies;
-		if (at24->use_smbus) {
+		switch (at24->use_smbus) {
+		case I2C_SMBUS_I2C_BLOCK_DATA:
 			status = i2c_smbus_read_i2c_block_data(client, offset,
 					count, buf);
-		} else {
+			break;
+		case I2C_SMBUS_WORD_DATA:
+			status = i2c_smbus_read_word_data(client, offset);
+			if (status >= 0) {
+				buf[0] = status & 0xff;
+				buf[1] = status >> 8;
+				status = count;
+			}
+			break;
+		case I2C_SMBUS_BYTE_DATA:
+			status = i2c_smbus_read_byte_data(client, offset);
+			if (status >= 0) {
+				buf[0] = status;
+				status = count;
+			}
+			break;
+		default:
 			status = i2c_transfer(client->adapter, msg, 2);
 			if (status == 2)
 				status = count;
@@ -434,7 +459,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
 	struct at24_platform_data chip;
 	bool writable;
-	bool use_smbus = false;
+	int use_smbus = 0;
 	struct at24_data *at24;
 	int err;
 	unsigned i, num_addresses;
@@ -475,12 +500,19 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
 			err = -EPFNOSUPPORT;
 			goto err_out;
 		}
-		if (!i2c_check_functionality(client->adapter,
+		if (i2c_check_functionality(client->adapter,
 				I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
+			use_smbus = I2C_SMBUS_I2C_BLOCK_DATA;
+		} else if (i2c_check_functionality(client->adapter,
+				I2C_FUNC_SMBUS_READ_WORD_DATA)) {
+			use_smbus = I2C_SMBUS_WORD_DATA;
+		} else if (i2c_check_functionality(client->adapter,
+				I2C_FUNC_SMBUS_READ_BYTE_DATA)) {
+			use_smbus = I2C_SMBUS_BYTE_DATA;
+		} else {
 			err = -EPFNOSUPPORT;
 			goto err_out;
 		}
-		use_smbus = true;
 	}
 
 	if (chip.flags & AT24_FLAG_TAKE8ADDR)
@@ -566,11 +598,16 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	dev_info(&client->dev, "%zu byte %s EEPROM %s\n",
 		at24->bin.size, client->name,
 		writable ? "(writable)" : "(read-only)");
+	if (use_smbus == I2C_SMBUS_WORD_DATA ||
+	    use_smbus == I2C_SMBUS_BYTE_DATA) {
+		dev_notice(&client->dev, "Falling back to %s reads, "
+			   "performance will suffer\n", use_smbus ==
+			   I2C_SMBUS_WORD_DATA ? "word" : "byte");
+	}
 	dev_dbg(&client->dev,
-		"page_size %d, num_addresses %d, write_max %d%s\n",
+		"page_size %d, num_addresses %d, write_max %d, use_smbus %d\n",
 		chip.page_size, num_addresses,
-		at24->write_max,
-		use_smbus ? ", use_smbus" : "");
+		at24->write_max, use_smbus);
 
 	/* export data to kernel code */
 	if (chip.setup)

From 0be16c306125e0940c7d48ec986ac2bbdc542308 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Fri, 21 May 2010 18:40:57 +0200
Subject: [PATCH 2561/3638] i2c-dev: Remove unnecessary casts

The private_data member of struct file is a void *, there is no need
to cast it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/i2c-dev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index f4110aa4960..c507204a8c7 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -138,7 +138,7 @@ static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count,
 	char *tmp;
 	int ret;
 
-	struct i2c_client *client = (struct i2c_client *)file->private_data;
+	struct i2c_client *client = file->private_data;
 
 	if (count > 8192)
 		count = 8192;
@@ -162,7 +162,7 @@ static ssize_t i2cdev_write (struct file *file, const char __user *buf, size_t c
 {
 	int ret;
 	char *tmp;
-	struct i2c_client *client = (struct i2c_client *)file->private_data;
+	struct i2c_client *client = file->private_data;
 
 	if (count > 8192)
 		count = 8192;
@@ -369,7 +369,7 @@ static noinline int i2cdev_ioctl_smbus(struct i2c_client *client,
 
 static long i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct i2c_client *client = (struct i2c_client *)file->private_data;
+	struct i2c_client *client = file->private_data;
 	unsigned long funcs;
 
 	dev_dbg(&client->adapter->dev, "ioctl, cmd=0x%02x, arg=0x%02lx\n",

From bfdcad902fb17a830834d4015ea9139df052a4fe Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 21 May 2010 18:40:57 +0200
Subject: [PATCH 2562/3638] i2c-parport: Make template structure const

parport_algo_data is a template so it can be marked const.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/busses/i2c-parport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c
index 846583ed476..0eb1515541e 100644
--- a/drivers/i2c/busses/i2c-parport.c
+++ b/drivers/i2c/busses/i2c-parport.c
@@ -137,7 +137,7 @@ static int parport_getsda(void *data)
    copied. The attaching code will set getscl to NULL for adapters that
    cannot read SCL back, and will also make the data field point to
    the parallel port structure. */
-static struct i2c_algo_bit_data parport_algo_data = {
+static const struct i2c_algo_bit_data parport_algo_data = {
 	.setsda		= parport_setsda,
 	.setscl		= parport_setscl,
 	.getsda		= parport_getsda,

From b8680784875b26a2876df5959673a496d56af673 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Fri, 21 May 2010 18:40:58 +0200
Subject: [PATCH 2563/3638] i2c-gpio: Move initialization code to
 subsys_initcall()

GPIO driven I2C bus can be used for controlling the PMIC chip. The
example of such configuration is Samsung Aquila board.

This patch moves initialization code to subsys_initcall() to ensure
that the i2c bus is available early so the regulators can be quickly
probed and available for other devices on their probe() call.

Such solution has been proposed by Mark Brown to fix the problem of
the regulators not beeing available on the peripheral device probe():
http://lists.infradead.org/pipermail/linux-arm-kernel/2010-March/011971.html

Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/busses/i2c-gpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index c21077d248a..d9aa9a649e3 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -211,7 +211,7 @@ static int __init i2c_gpio_init(void)
 
 	return ret;
 }
-module_init(i2c_gpio_init);
+subsys_initcall(i2c_gpio_init);
 
 static void __exit i2c_gpio_exit(void)
 {

From 7225acf4aa2855787184af92febedd92284776ee Mon Sep 17 00:00:00 2001
From: Farid Hammane <farid.hammane@gmail.com>
Date: Fri, 21 May 2010 18:40:58 +0200
Subject: [PATCH 2564/3638] i2c-core: Fix some coding style issues

Fix up coding style issues found by the checkpatch.pl tool.

Signed-off-by: Farid Hammane <farid.hammane@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/i2c-core.c | 90 +++++++++++++++++++++---------------------
 1 file changed, 45 insertions(+), 45 deletions(-)

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 7c469a62c3c..db3c9f3a764 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1221,10 +1221,10 @@ EXPORT_SYMBOL(i2c_transfer);
  *
  * Returns negative errno, or else the number of bytes written.
  */
-int i2c_master_send(struct i2c_client *client,const char *buf ,int count)
+int i2c_master_send(struct i2c_client *client, const char *buf, int count)
 {
 	int ret;
-	struct i2c_adapter *adap=client->adapter;
+	struct i2c_adapter *adap = client->adapter;
 	struct i2c_msg msg;
 
 	msg.addr = client->addr;
@@ -1248,9 +1248,9 @@ EXPORT_SYMBOL(i2c_master_send);
  *
  * Returns negative errno, or else the number of bytes read.
  */
-int i2c_master_recv(struct i2c_client *client, char *buf ,int count)
+int i2c_master_recv(struct i2c_client *client, char *buf, int count)
 {
-	struct i2c_adapter *adap=client->adapter;
+	struct i2c_adapter *adap = client->adapter;
 	struct i2c_msg msg;
 	int ret;
 
@@ -1452,7 +1452,7 @@ i2c_new_probed_device(struct i2c_adapter *adap,
 }
 EXPORT_SYMBOL_GPL(i2c_new_probed_device);
 
-struct i2c_adapter* i2c_get_adapter(int id)
+struct i2c_adapter *i2c_get_adapter(int id)
 {
 	struct i2c_adapter *adapter;
 
@@ -1479,7 +1479,7 @@ static u8 crc8(u16 data)
 {
 	int i;
 
-	for(i = 0; i < 8; i++) {
+	for (i = 0; i < 8; i++) {
 		if (data & 0x8000)
 			data = data ^ POLY;
 		data = data << 1;
@@ -1492,7 +1492,7 @@ static u8 i2c_smbus_pec(u8 crc, u8 *p, size_t count)
 {
 	int i;
 
-	for(i = 0; i < count; i++)
+	for (i = 0; i < count; i++)
 		crc = crc8((crc ^ p[i]) << 8);
 	return crc;
 }
@@ -1562,7 +1562,7 @@ EXPORT_SYMBOL(i2c_smbus_read_byte);
  */
 s32 i2c_smbus_write_byte(struct i2c_client *client, u8 value)
 {
-	return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
+	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
 	                      I2C_SMBUS_WRITE, value, I2C_SMBUS_BYTE, NULL);
 }
 EXPORT_SYMBOL(i2c_smbus_write_byte);
@@ -1600,9 +1600,9 @@ s32 i2c_smbus_write_byte_data(struct i2c_client *client, u8 command, u8 value)
 {
 	union i2c_smbus_data data;
 	data.byte = value;
-	return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
-	                      I2C_SMBUS_WRITE,command,
-	                      I2C_SMBUS_BYTE_DATA,&data);
+	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+			      I2C_SMBUS_WRITE, command,
+			      I2C_SMBUS_BYTE_DATA, &data);
 }
 EXPORT_SYMBOL(i2c_smbus_write_byte_data);
 
@@ -1639,9 +1639,9 @@ s32 i2c_smbus_write_word_data(struct i2c_client *client, u8 command, u16 value)
 {
 	union i2c_smbus_data data;
 	data.word = value;
-	return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
-	                      I2C_SMBUS_WRITE,command,
-	                      I2C_SMBUS_WORD_DATA,&data);
+	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+			      I2C_SMBUS_WRITE, command,
+			      I2C_SMBUS_WORD_DATA, &data);
 }
 EXPORT_SYMBOL(i2c_smbus_write_word_data);
 
@@ -1718,9 +1718,9 @@ s32 i2c_smbus_write_block_data(struct i2c_client *client, u8 command,
 		length = I2C_SMBUS_BLOCK_MAX;
 	data.block[0] = length;
 	memcpy(&data.block[1], values, length);
-	return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
-			      I2C_SMBUS_WRITE,command,
-			      I2C_SMBUS_BLOCK_DATA,&data);
+	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+			      I2C_SMBUS_WRITE, command,
+			      I2C_SMBUS_BLOCK_DATA, &data);
 }
 EXPORT_SYMBOL(i2c_smbus_write_block_data);
 
@@ -1762,10 +1762,10 @@ EXPORT_SYMBOL(i2c_smbus_write_i2c_block_data);
 
 /* Simulate a SMBus command using the i2c protocol
    No checking of parameters is done!  */
-static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
-                                   unsigned short flags,
-                                   char read_write, u8 command, int size,
-                                   union i2c_smbus_data * data)
+static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
+				   unsigned short flags,
+				   char read_write, u8 command, int size,
+				   union i2c_smbus_data *data)
 {
 	/* So we need to generate a series of msgs. In the case of writing, we
 	  need to use only one message; when reading, we need two. We initialize
@@ -1773,7 +1773,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 	  simpler. */
 	unsigned char msgbuf0[I2C_SMBUS_BLOCK_MAX+3];
 	unsigned char msgbuf1[I2C_SMBUS_BLOCK_MAX+2];
-	int num = read_write == I2C_SMBUS_READ?2:1;
+	int num = read_write == I2C_SMBUS_READ ? 2 : 1;
 	struct i2c_msg msg[2] = { { addr, flags, 1, msgbuf0 },
 	                          { addr, flags | I2C_M_RD, 0, msgbuf1 }
 	                        };
@@ -1782,7 +1782,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 	int status;
 
 	msgbuf0[0] = command;
-	switch(size) {
+	switch (size) {
 	case I2C_SMBUS_QUICK:
 		msg[0].len = 0;
 		/* Special case: The read/write field is used as data */
@@ -1809,7 +1809,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 		if (read_write == I2C_SMBUS_READ)
 			msg[1].len = 2;
 		else {
-			msg[0].len=3;
+			msg[0].len = 3;
 			msgbuf0[1] = data->word & 0xff;
 			msgbuf0[2] = data->word >> 8;
 		}
@@ -1902,26 +1902,26 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 	}
 
 	if (read_write == I2C_SMBUS_READ)
-		switch(size) {
-			case I2C_SMBUS_BYTE:
-				data->byte = msgbuf0[0];
-				break;
-			case I2C_SMBUS_BYTE_DATA:
-				data->byte = msgbuf1[0];
-				break;
-			case I2C_SMBUS_WORD_DATA:
-			case I2C_SMBUS_PROC_CALL:
-				data->word = msgbuf1[0] | (msgbuf1[1] << 8);
-				break;
-			case I2C_SMBUS_I2C_BLOCK_DATA:
-				for (i = 0; i < data->block[0]; i++)
-					data->block[i+1] = msgbuf1[i];
-				break;
-			case I2C_SMBUS_BLOCK_DATA:
-			case I2C_SMBUS_BLOCK_PROC_CALL:
-				for (i = 0; i < msgbuf1[0] + 1; i++)
-					data->block[i] = msgbuf1[i];
-				break;
+		switch (size) {
+		case I2C_SMBUS_BYTE:
+			data->byte = msgbuf0[0];
+			break;
+		case I2C_SMBUS_BYTE_DATA:
+			data->byte = msgbuf1[0];
+			break;
+		case I2C_SMBUS_WORD_DATA:
+		case I2C_SMBUS_PROC_CALL:
+			data->word = msgbuf1[0] | (msgbuf1[1] << 8);
+			break;
+		case I2C_SMBUS_I2C_BLOCK_DATA:
+			for (i = 0; i < data->block[0]; i++)
+				data->block[i+1] = msgbuf1[i];
+			break;
+		case I2C_SMBUS_BLOCK_DATA:
+		case I2C_SMBUS_BLOCK_PROC_CALL:
+			for (i = 0; i < msgbuf1[0] + 1; i++)
+				data->block[i] = msgbuf1[i];
+			break;
 		}
 	return 0;
 }
@@ -1966,7 +1966,7 @@ s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, unsigned short flags,
 		}
 		rt_mutex_unlock(&adapter->bus_lock);
 	} else
-		res = i2c_smbus_xfer_emulated(adapter,addr,flags,read_write,
+		res = i2c_smbus_xfer_emulated(adapter, addr, flags, read_write,
 					      command, protocol, data);
 
 	return res;

From ae5624fc36f7b9113df56c2e9b3069fefbb7117e Mon Sep 17 00:00:00 2001
From: Farid Hammane <farid.hammane@gmail.com>
Date: Fri, 21 May 2010 18:40:59 +0200
Subject: [PATCH 2565/3638] i2c-dev: Fix all coding style issues

Fix all coding style issues found by checkpatch.pl.

Signed-off-by: Farid Hammane <farid.hammane@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/i2c-dev.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index c507204a8c7..e0694e4d86c 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -35,7 +35,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-dev.h>
 #include <linux/jiffies.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 static struct i2c_driver i2cdev_driver;
 
@@ -132,8 +132,8 @@ static DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL);
  * needed by those system calls and by this SMBus interface.
  */
 
-static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count,
-                            loff_t *offset)
+static ssize_t i2cdev_read(struct file *file, char __user *buf, size_t count,
+		loff_t *offset)
 {
 	char *tmp;
 	int ret;
@@ -143,22 +143,22 @@ static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count,
 	if (count > 8192)
 		count = 8192;
 
-	tmp = kmalloc(count,GFP_KERNEL);
-	if (tmp==NULL)
+	tmp = kmalloc(count, GFP_KERNEL);
+	if (tmp == NULL)
 		return -ENOMEM;
 
 	pr_debug("i2c-dev: i2c-%d reading %zu bytes.\n",
 		iminor(file->f_path.dentry->d_inode), count);
 
-	ret = i2c_master_recv(client,tmp,count);
+	ret = i2c_master_recv(client, tmp, count);
 	if (ret >= 0)
-		ret = copy_to_user(buf,tmp,count)?-EFAULT:ret;
+		ret = copy_to_user(buf, tmp, count) ? -EFAULT : ret;
 	kfree(tmp);
 	return ret;
 }
 
-static ssize_t i2cdev_write (struct file *file, const char __user *buf, size_t count,
-                             loff_t *offset)
+static ssize_t i2cdev_write(struct file *file, const char __user *buf,
+		size_t count, loff_t *offset)
 {
 	int ret;
 	char *tmp;
@@ -167,10 +167,10 @@ static ssize_t i2cdev_write (struct file *file, const char __user *buf, size_t c
 	if (count > 8192)
 		count = 8192;
 
-	tmp = kmalloc(count,GFP_KERNEL);
-	if (tmp==NULL)
+	tmp = kmalloc(count, GFP_KERNEL);
+	if (tmp == NULL)
 		return -ENOMEM;
-	if (copy_from_user(tmp,buf,count)) {
+	if (copy_from_user(tmp, buf, count)) {
 		kfree(tmp);
 		return -EFAULT;
 	}
@@ -178,7 +178,7 @@ static ssize_t i2cdev_write (struct file *file, const char __user *buf, size_t c
 	pr_debug("i2c-dev: i2c-%d writing %zu bytes.\n",
 		iminor(file->f_path.dentry->d_inode), count);
 
-	ret = i2c_master_send(client,tmp,count);
+	ret = i2c_master_send(client, tmp, count);
 	kfree(tmp);
 	return ret;
 }
@@ -375,7 +375,7 @@ static long i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	dev_dbg(&client->adapter->dev, "ioctl, cmd=0x%02x, arg=0x%02lx\n",
 		cmd, arg);
 
-	switch ( cmd ) {
+	switch (cmd) {
 	case I2C_SLAVE:
 	case I2C_SLAVE_FORCE:
 		/* NOTE:  devices set up to work with "new style" drivers
@@ -601,7 +601,7 @@ static void __exit i2c_dev_exit(void)
 {
 	i2c_del_driver(&i2cdev_driver);
 	class_destroy(i2c_dev_class);
-	unregister_chrdev(I2C_MAJOR,"i2c");
+	unregister_chrdev(I2C_MAJOR, "i2c");
 }
 
 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and "

From 2086ca482f89950410527425913ca48d948e9622 Mon Sep 17 00:00:00 2001
From: Farid Hammane <farid.hammane@gmail.com>
Date: Fri, 21 May 2010 18:41:00 +0200
Subject: [PATCH 2566/3638] i2c-algo-pca: Fix coding style issues

Fix up some coding style issues. i2c-algo-pca.c has been built
successfully after applying this patch and the binary object is
still exactly the same. Other issues found by checkpatch.pl were
voluntarily not fixed, either to keep readability, or because of
false positive errors.

Signed-off-by: Farid Hammane <farid.hammane@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/algos/i2c-algo-pca.c | 36 ++++++++++++++++----------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index dcdaf8e675b..2b9a8f54bb2 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -109,13 +109,13 @@ static void pca_stop(struct i2c_algo_pca_data *adap)
  * returns after the address has been sent
  */
 static int pca_address(struct i2c_algo_pca_data *adap,
-			struct i2c_msg *msg)
+		       struct i2c_msg *msg)
 {
 	int sta = pca_get_con(adap);
 	int addr;
 
-	addr = ( (0x7f & msg->addr) << 1 );
-	if (msg->flags & I2C_M_RD )
+	addr = ((0x7f & msg->addr) << 1);
+	if (msg->flags & I2C_M_RD)
 		addr |= 1;
 	DEB2("=== SLAVE ADDRESS %#04x+%c=%#04x\n",
 	     msg->addr, msg->flags & I2C_M_RD ? 'R' : 'W', addr);
@@ -134,7 +134,7 @@ static int pca_address(struct i2c_algo_pca_data *adap,
  * Returns after the byte has been transmitted
  */
 static int pca_tx_byte(struct i2c_algo_pca_data *adap,
-			__u8 b)
+		       __u8 b)
 {
 	int sta = pca_get_con(adap);
 	DEB2("=== WRITE %#04x\n", b);
@@ -164,13 +164,13 @@ static void pca_rx_byte(struct i2c_algo_pca_data *adap,
  * Returns after next byte has arrived.
  */
 static int pca_rx_ack(struct i2c_algo_pca_data *adap,
-		       int ack)
+		      int ack)
 {
 	int sta = pca_get_con(adap);
 
 	sta &= ~(I2C_PCA_CON_STO|I2C_PCA_CON_STA|I2C_PCA_CON_SI|I2C_PCA_CON_AA);
 
-	if ( ack )
+	if (ack)
 		sta |= I2C_PCA_CON_AA;
 
 	pca_set_con(adap, sta);
@@ -178,12 +178,12 @@ static int pca_rx_ack(struct i2c_algo_pca_data *adap,
 }
 
 static int pca_xfer(struct i2c_adapter *i2c_adap,
-                    struct i2c_msg *msgs,
-                    int num)
+		    struct i2c_msg *msgs,
+		    int num)
 {
-        struct i2c_algo_pca_data *adap = i2c_adap->algo_data;
-        struct i2c_msg *msg = NULL;
-        int curmsg;
+	struct i2c_algo_pca_data *adap = i2c_adap->algo_data;
+	struct i2c_msg *msg = NULL;
+	int curmsg;
 	int numbytes = 0;
 	int state;
 	int ret;
@@ -202,21 +202,21 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 
 	DEB1("{{{ XFER %d messages\n", num);
 
-	if (i2c_debug>=2) {
+	if (i2c_debug >= 2) {
 		for (curmsg = 0; curmsg < num; curmsg++) {
 			int addr, i;
 			msg = &msgs[curmsg];
 
 			addr = (0x7f & msg->addr) ;
 
-			if (msg->flags & I2C_M_RD )
+			if (msg->flags & I2C_M_RD)
 				printk(KERN_INFO "    [%02d] RD %d bytes from %#02x [%#02x, ...]\n",
-				       curmsg, msg->len, addr, (addr<<1) | 1);
+				       curmsg, msg->len, addr, (addr << 1) | 1);
 			else {
 				printk(KERN_INFO "    [%02d] WR %d bytes to %#02x [%#02x%s",
-				       curmsg, msg->len, addr, addr<<1,
+				       curmsg, msg->len, addr, addr << 1,
 				       msg->len == 0 ? "" : ", ");
-				for(i=0; i < msg->len; i++)
+				for (i = 0; i < msg->len; i++)
 					printk("%#04x%s", msg->buf[i], i == msg->len - 1 ? "" : ", ");
 				printk("]\n");
 			}
@@ -305,7 +305,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 			goto out;
 
 		case 0x58: /* Data byte has been received; NOT ACK has been returned */
-			if ( numbytes == msg->len - 1 ) {
+			if (numbytes == msg->len - 1) {
 				pca_rx_byte(adap, &msg->buf[numbytes], 0);
 				curmsg++; numbytes = 0;
 				if (curmsg == num)
@@ -352,7 +352,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 
 static u32 pca_func(struct i2c_adapter *adap)
 {
-        return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
 static const struct i2c_algorithm pca_algo = {

From 2178218027e4da0608219fae1d02e5c88f4e560d Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Fri, 21 May 2010 18:41:01 +0200
Subject: [PATCH 2567/3638] i2c: Use <linux/io.h> instead of <asm/io.h>

As warned by checkpatch.pl, <linux/io.h> should be used instead of
<asm/io.h>.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/busses/i2c-ali1535.c       | 2 +-
 drivers/i2c/busses/i2c-ali15x3.c       | 2 +-
 drivers/i2c/busses/i2c-amd756.c        | 2 +-
 drivers/i2c/busses/i2c-amd8111.c       | 2 +-
 drivers/i2c/busses/i2c-at91.c          | 3 +--
 drivers/i2c/busses/i2c-elektor.c       | 2 +-
 drivers/i2c/busses/i2c-hydra.c         | 2 +-
 drivers/i2c/busses/i2c-ibm_iic.c       | 2 +-
 drivers/i2c/busses/i2c-iop3xx.c        | 3 +--
 drivers/i2c/busses/i2c-mv64xxx.c       | 3 +--
 drivers/i2c/busses/i2c-nforce2.c       | 2 +-
 drivers/i2c/busses/i2c-ocores.c        | 2 +-
 drivers/i2c/busses/i2c-parport-light.c | 2 +-
 drivers/i2c/busses/i2c-pasemi.c        | 2 +-
 drivers/i2c/busses/i2c-pca-isa.c       | 2 +-
 drivers/i2c/busses/i2c-pca-platform.c  | 2 +-
 drivers/i2c/busses/i2c-piix4.c         | 2 +-
 drivers/i2c/busses/i2c-pmcmsp.c        | 2 +-
 drivers/i2c/busses/i2c-pxa.c           | 2 +-
 drivers/i2c/busses/i2c-s3c2410.c       | 2 +-
 drivers/i2c/busses/i2c-s6000.c         | 2 +-
 drivers/i2c/busses/i2c-sh7760.c        | 2 +-
 drivers/i2c/busses/i2c-sibyte.c        | 2 +-
 drivers/i2c/busses/i2c-simtec.c        | 3 +--
 drivers/i2c/busses/i2c-sis5595.c       | 2 +-
 drivers/i2c/busses/i2c-sis630.c        | 2 +-
 drivers/i2c/busses/i2c-sis96x.c        | 2 +-
 drivers/i2c/busses/i2c-versatile.c     | 3 +--
 drivers/i2c/busses/i2c-via.c           | 2 +-
 drivers/i2c/busses/i2c-viapro.c        | 2 +-
 drivers/i2c/busses/scx200_acb.c        | 2 +-
 drivers/i2c/busses/scx200_i2c.c        | 2 +-
 32 files changed, 32 insertions(+), 37 deletions(-)

diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c
index bd8f1e4d9e6..906a3ca50db 100644
--- a/drivers/i2c/busses/i2c-ali1535.c
+++ b/drivers/i2c/busses/i2c-ali1535.c
@@ -60,7 +60,7 @@
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 
 /* ALI1535 SMBus address offsets */
diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c
index 659f63f5e4a..b14f6d68221 100644
--- a/drivers/i2c/busses/i2c-ali15x3.c
+++ b/drivers/i2c/busses/i2c-ali15x3.c
@@ -67,7 +67,7 @@
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 /* ALI15X3 SMBus address offsets */
 #define SMBHSTSTS	(0 + ali15x3_smba)
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index c5a9fa488e7..03bcd07c469 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -43,7 +43,7 @@
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 /* AMD756 SMBus address offsets */
 #define SMB_ADDR_OFFSET		0xE0
diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c
index 2fbef27b6cd..af1e5e254b7 100644
--- a/drivers/i2c/busses/i2c-amd8111.c
+++ b/drivers/i2c/busses/i2c-amd8111.c
@@ -18,7 +18,7 @@
 #include <linux/delay.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR ("Vojtech Pavlik <vojtech@suse.cz>");
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index 06e1ecb4919..305c07504f7 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -23,8 +23,7 @@
 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/platform_device.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 #include <mach/at91_twi.h>
 #include <mach/board.h>
diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c
index 612255614a6..e5b1a3bf5b8 100644
--- a/drivers/i2c/busses/i2c-elektor.c
+++ b/drivers/i2c/busses/i2c-elektor.c
@@ -37,8 +37,8 @@
 #include <linux/isa.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-pcf.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/irq.h>
 
 #include "../algos/i2c-algo-pcf.h"
diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index c767295ad1f..9ff1695d845 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -28,7 +28,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
 #include <linux/init.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/hydra.h>
 
 
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index 2bef534cbff..f8ccc0fe95a 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -39,7 +39,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <asm/irq.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <linux/i2c.h>
 #include <linux/i2c-id.h>
 #include <linux/of_platform.h>
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 5901707fc66..112c61f7b8c 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -38,8 +38,7 @@
 #include <linux/errno.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 #include "i2c-iop3xx.h"
 
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 3623a449908..16242063144 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -17,8 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/mv643xx_i2c.h>
 #include <linux/platform_device.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 /* Register defines */
 #define	MV64XXX_I2C_REG_SLAVE_ADDR			0x00
diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index 4a48dd4ef78..b23dfe9f278 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -57,7 +57,7 @@
 #include <linux/dmi.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR ("Hans-Frieder Vogt <hfvogt@gmx.net>");
diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c
index b4ed4ca802e..0070371b29f 100644
--- a/drivers/i2c/busses/i2c-ocores.c
+++ b/drivers/i2c/busses/i2c-ocores.c
@@ -19,7 +19,7 @@
 #include <linux/wait.h>
 #include <linux/i2c-ocores.h>
 #include <linux/slab.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 struct ocores_i2c {
 	void __iomem *base;
diff --git a/drivers/i2c/busses/i2c-parport-light.c b/drivers/i2c/busses/i2c-parport-light.c
index 5f41ec0f72d..fc5fbd1012c 100644
--- a/drivers/i2c/busses/i2c-parport-light.c
+++ b/drivers/i2c/busses/i2c-parport-light.c
@@ -33,7 +33,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
 #include <linux/i2c-smbus.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include "i2c-parport.h"
 
 #define DEFAULT_BASE 0x378
diff --git a/drivers/i2c/busses/i2c-pasemi.c b/drivers/i2c/busses/i2c-pasemi.c
index d3d4a4b43a1..4174101660c 100644
--- a/drivers/i2c/busses/i2c-pasemi.c
+++ b/drivers/i2c/busses/i2c-pasemi.c
@@ -25,7 +25,7 @@
 #include <linux/i2c.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 static struct pci_driver pasemi_smb_driver;
 
diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c
index f7346a9bd95..bbd77603a41 100644
--- a/drivers/i2c/busses/i2c-pca-isa.c
+++ b/drivers/i2c/busses/i2c-pca-isa.c
@@ -30,8 +30,8 @@
 #include <linux/isa.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-pca.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/irq.h>
 
 #define DRIVER "i2c-pca-isa"
diff --git a/drivers/i2c/busses/i2c-pca-platform.c b/drivers/i2c/busses/i2c-pca-platform.c
index 5b2213df5ed..ef5c78487eb 100644
--- a/drivers/i2c/busses/i2c-pca-platform.c
+++ b/drivers/i2c/busses/i2c-pca-platform.c
@@ -23,9 +23,9 @@
 #include <linux/i2c-algo-pca.h>
 #include <linux/i2c-pca-platform.h>
 #include <linux/gpio.h>
+#include <linux/io.h>
 
 #include <asm/irq.h>
-#include <asm/io.h>
 
 struct i2c_pca_pf_data {
 	void __iomem			*reg_base;
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index ee9da6fcf69..6d14ac2e3c4 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -39,7 +39,7 @@
 #include <linux/init.h>
 #include <linux/dmi.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 
 /* PIIX4 SMBus address offsets */
diff --git a/drivers/i2c/busses/i2c-pmcmsp.c b/drivers/i2c/busses/i2c-pmcmsp.c
index 7b57d5f267e..dfa7ae9c1b8 100644
--- a/drivers/i2c/busses/i2c-pmcmsp.c
+++ b/drivers/i2c/busses/i2c-pmcmsp.c
@@ -33,7 +33,7 @@
 #include <linux/completion.h>
 #include <linux/mutex.h>
 #include <linux/delay.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 #define DRV_NAME	"pmcmsptwi"
 
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index fbde6f61405..020ff23d762 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -34,9 +34,9 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
 #include <asm/irq.h>
-#include <asm/io.h>
 #include <plat/i2c.h>
 
 /*
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index ec3256cce91..72902e0bbfa 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -35,9 +35,9 @@
 #include <linux/clk.h>
 #include <linux/cpufreq.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
 #include <asm/irq.h>
-#include <asm/io.h>
 
 #include <plat/regs-iic.h>
 #include <plat/iic.h>
diff --git a/drivers/i2c/busses/i2c-s6000.c b/drivers/i2c/busses/i2c-s6000.c
index c91359f4965..cadc0216e02 100644
--- a/drivers/i2c/busses/i2c-s6000.c
+++ b/drivers/i2c/busses/i2c-s6000.c
@@ -36,8 +36,8 @@
 #include <linux/completion.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include "i2c-s6000.h"
 
 #define DRV_NAME "i2c-s6000"
diff --git a/drivers/i2c/busses/i2c-sh7760.c b/drivers/i2c/busses/i2c-sh7760.c
index b9680f50f54..4f93da31d3a 100644
--- a/drivers/i2c/busses/i2c-sh7760.c
+++ b/drivers/i2c/busses/i2c-sh7760.c
@@ -16,10 +16,10 @@
 #include <linux/ioport.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
 #include <asm/clock.h>
 #include <asm/i2c-sh7760.h>
-#include <asm/io.h>
 
 /* register offsets */
 #define I2CSCR		0x0		/* slave ctrl		*/
diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c
index 98b1ec48915..3d76a188e42 100644
--- a/drivers/i2c/busses/i2c-sibyte.c
+++ b/drivers/i2c/busses/i2c-sibyte.c
@@ -22,7 +22,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/sibyte/sb1250_regs.h>
 #include <asm/sibyte/sb1250_smbus.h>
 
diff --git a/drivers/i2c/busses/i2c-simtec.c b/drivers/i2c/busses/i2c-simtec.c
index 78b06107342..2fc08fbf67a 100644
--- a/drivers/i2c/busses/i2c-simtec.c
+++ b/drivers/i2c/busses/i2c-simtec.c
@@ -24,12 +24,11 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
 
-#include <asm/io.h>
-
 struct simtec_i2c_data {
 	struct resource		*ioarea;
 	void __iomem		*reg;
diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c
index 55a71370c79..437586611d4 100644
--- a/drivers/i2c/busses/i2c-sis5595.c
+++ b/drivers/i2c/busses/i2c-sis5595.c
@@ -61,7 +61,7 @@
 #include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 static int blacklist[] = {
 	PCI_DEVICE_ID_SI_540,
diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c
index 2309c7f1bde..e6f539e26f6 100644
--- a/drivers/i2c/busses/i2c-sis630.c
+++ b/drivers/i2c/busses/i2c-sis630.c
@@ -53,7 +53,7 @@
 #include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 /* SIS630 SMBus registers */
 #define SMB_STS			0x80	/* status */
diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c
index d43d8f8943d..86837f0c4cb 100644
--- a/drivers/i2c/busses/i2c-sis96x.c
+++ b/drivers/i2c/busses/i2c-sis96x.c
@@ -38,7 +38,7 @@
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 /* base address register in PCI config space */
 #define SIS96x_BAR 0x04
diff --git a/drivers/i2c/busses/i2c-versatile.c b/drivers/i2c/busses/i2c-versatile.c
index 5c473833d94..60556012312 100644
--- a/drivers/i2c/busses/i2c-versatile.c
+++ b/drivers/i2c/busses/i2c-versatile.c
@@ -15,8 +15,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 #define I2C_CONTROL	0x00
 #define I2C_CONTROLS	0x00
diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c
index de78283bddb..7799fe5bda8 100644
--- a/drivers/i2c/busses/i2c-via.c
+++ b/drivers/i2c/busses/i2c-via.c
@@ -25,7 +25,7 @@
 #include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 /* Power management registers */
 #define PM_CFG_REVID	0x08	/* silicon revision code */
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index d57292e5dae..4c6fff5f330 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -51,7 +51,7 @@
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 static struct pci_dev *vt596_pdev;
 
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index 36bb61170df..4cb4bb00995 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -32,7 +32,7 @@
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 #include <linux/scx200.h>
 
diff --git a/drivers/i2c/busses/scx200_i2c.c b/drivers/i2c/busses/scx200_i2c.c
index 42df0eca43d..7ee0d502cea 100644
--- a/drivers/i2c/busses/scx200_i2c.c
+++ b/drivers/i2c/busses/scx200_i2c.c
@@ -27,7 +27,7 @@
 #include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 #include <linux/scx200_gpio.h>
 

From 7c4fda1aa15fdbbd2563e7e652cd3745f92a16da Mon Sep 17 00:00:00 2001
From: Chase Douglas <chase.douglas@canonical.com>
Date: Fri, 21 May 2010 18:41:01 +0200
Subject: [PATCH 2568/3638] i2c-nforce2: Remove redundant error messages on
 ACPI conflict

The ACPI subsystem strictly checks for resource conflicts. When there's
a conflict, it outputs a warning message with all the details needed to
properly diagnose the underlying issue. However, the i2c-nforce2 driver
also prints its own message. Not only is the message redundant, it is at
the KERN_ERR level, which overrides some bootsplash screens for no good
reason. This change removes the two lines that print out the error
messages.

Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/busses/i2c-nforce2.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index b23dfe9f278..a605a5029cf 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -404,10 +404,9 @@ static int __devinit nforce2_probe(struct pci_dev *dev, const struct pci_device_
 
 	/* SMBus adapter 1 */
 	res1 = nforce2_probe_smb(dev, 4, NFORCE_PCI_SMB1, &smbuses[0], "SMB1");
-	if (res1 < 0) {
-		dev_err(&dev->dev, "Error probing SMB1.\n");
+	if (res1 < 0)
 		smbuses[0].base = 0;	/* to have a check value */
-	}
+
 	/* SMBus adapter 2 */
 	if (dmi_check_system(nforce2_dmi_blacklist2)) {
 		dev_err(&dev->dev, "Disabling SMB2 for safety reasons.\n");
@@ -416,11 +415,10 @@ static int __devinit nforce2_probe(struct pci_dev *dev, const struct pci_device_
 	} else {
 		res2 = nforce2_probe_smb(dev, 5, NFORCE_PCI_SMB2, &smbuses[1],
 					 "SMB2");
-		if (res2 < 0) {
-			dev_err(&dev->dev, "Error probing SMB2.\n");
+		if (res2 < 0)
 			smbuses[1].base = 0;	/* to have a check value */
-		}
 	}
+
 	if ((res1 < 0) && (res2 < 0)) {
 		/* we did not find even one of the SMBuses, so we give up */
 		kfree(smbuses);

From 70ca0a42fe1702ac0784386c44b05d18ee5f1f9e Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 21 May 2010 09:48:36 -0700
Subject: [PATCH 2569/3638] Fix networking tree iscsi_tcp.c mis-merge

The removal of the 'waitqueue_active()' test in commit d7d05548a6
("[SCSI] iscsi_tcp: fix relogin/shutdown hang") got incorrectly resolved
by David when he back-merged the main git tree into the networking tree
in commit 278554bd65 ("Merge branch 'master' of master.kernel.org:...").

There was a content conflict due to 'sock->sk->sk_sleep' being changed
into 'sk_sleep(sock->sk)' in the networking tree, but David didn't pick
up the iscsi change from the main tree.

Reported-by: James Bottomley <James.Bottomley@suse.de>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/scsi/iscsi_tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 7608310e19e..bf55d305741 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -601,7 +601,7 @@ static void iscsi_sw_tcp_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
 	write_unlock_bh(&tcp_sw_conn->sock->sk->sk_callback_lock);
 
-	if (sk_sleep(sock->sk) && waitqueue_active(sk_sleep(sock->sk))) {
+	if (sk_sleep(sock->sk)) {
 		sock->sk->sk_err = EIO;
 		wake_up_interruptible(sk_sleep(sock->sk));
 	}

From 0e8dc2597487848bb076d6b3d8440c85dde521e7 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 21 May 2010 14:19:24 -0300
Subject: [PATCH 2570/3638] perf report: Don't start the TUI if -D is used
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

One day we'll have support for the "dump raw trace in ASCII" in the TUI
frontend, but till then, use the tty code.

Reported-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-report.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index a7b8760e401..2c39bd35897 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -484,7 +484,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
 {
 	argc = parse_options(argc, argv, options, report_usage, 0);
 
-	if (strcmp(input_name, "-") != 0)
+	if (dump_trace)
+		setup_pager();
+	else if (strcmp(input_name, "-") != 0)
 		setup_browser();
 	/*
 	 * Only in the newt browser we are doing integrated annotation,

From 8cef107a1d890ff76c85d665083ff3562be01d32 Mon Sep 17 00:00:00 2001
From: Frans van de Wiel <fvdw@fvdw.eu>
Date: Mon, 15 Mar 2010 19:29:34 +0100
Subject: [PATCH 2571/3638] ext3: Avoid loading bitmaps for full groups during
 block allocation

There is no point in loading bitmap for groups which are completely full.
This causes noticeable performance problems (and memory pressure) on small
systems with large full filesystem
(http://marc.info/?l=linux-ext4&m=126843108314310&w=2).

Jan Kara: Added a comment and changed check to use cpu-endian value.

Signed-off-by: "Frans van de Wiel" <fvdw@fvdw.eu>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext3/balloc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index a177122a1b2..4a32511f4de 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -1583,6 +1583,12 @@ retry_alloc:
 		if (!gdp)
 			goto io_error;
 		free_blocks = le16_to_cpu(gdp->bg_free_blocks_count);
+		/*
+		 * skip this group (and avoid loading bitmap) if there
+		 * are no free blocks
+		 */
+		if (!free_blocks)
+			continue;
 		/*
 		 * skip this group if the number of
 		 * free blocks is less than half of the reservation

From 46891532370e862d6bddedef9e6ca22a59a51fa4 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 29 Mar 2010 13:55:39 +0200
Subject: [PATCH 2572/3638] ext2: Avoid loading bitmaps for full groups during
 block allocation

There is no point in loading bitmap for groups which are completely full.
This causes noticeable performance problems (and memory pressure) on small
systems with large full filesystem
(http://marc.info/?l=linux-ext4&m=126843108314310&w=2).

Port of the same ext3 patch.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/balloc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 3cf038c055d..e8766a39677 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -1331,6 +1331,12 @@ retry_alloc:
 			goto io_error;
 
 		free_blocks = le16_to_cpu(gdp->bg_free_blocks_count);
+		/*
+		 * skip this group (and avoid loading bitmap) if there
+		 * are no free blocks
+		 */
+		if (!free_blocks)
+			continue;
 		/*
 		 * skip this group if the number of
 		 * free blocks is less than half of the reservation

From eabf290d1470921f0ce5a9b22464ae30646a0677 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Sat, 27 Mar 2010 15:15:38 +0300
Subject: [PATCH 2573/3638] quota: optimize mark_dirty logic

- Skip locking if quota is dirty already.
- Return old quota state to help fs-specciffic implementation to optimize
  case where quota was dirty already.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/dquot.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 788b5802a7c..05c590e10ac 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -317,14 +317,23 @@ static inline int mark_dquot_dirty(struct dquot *dquot)
 	return dquot->dq_sb->dq_op->mark_dirty(dquot);
 }
 
+/* Mark dquot dirty in atomic manner, and return it's old dirty flag state */
 int dquot_mark_dquot_dirty(struct dquot *dquot)
 {
+	int ret = 1;
+
+	/* If quota is dirty already, we don't have to acquire dq_list_lock */
+	if (test_bit(DQ_MOD_B, &dquot->dq_flags))
+		return 1;
+
 	spin_lock(&dq_list_lock);
-	if (!test_and_set_bit(DQ_MOD_B, &dquot->dq_flags))
+	if (!test_and_set_bit(DQ_MOD_B, &dquot->dq_flags)) {
 		list_add(&dquot->dq_dirty, &sb_dqopt(dquot->dq_sb)->
 				info[dquot->dq_type].dqi_dirty_list);
+		ret = 0;
+	}
 	spin_unlock(&dq_list_lock);
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL(dquot_mark_dquot_dirty);
 

From 524e4a1d102bdcee37297c0b763e945827b33ab8 Mon Sep 17 00:00:00 2001
From: Francis Moreau <francis.moro@gmail.com>
Date: Thu, 8 Apr 2010 11:35:17 +0200
Subject: [PATCH 2574/3638] ext2: remove useless call to brelse() in
 ext2_free_inode()

This patch removes a useless call to brelse(bitmap_bh) since at that
point bitmap_bh is NULL and slightly cleans up bitmap_bh handling.

Signed-off-by: Francis Moreau <francis.moro@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/ialloc.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index ad7d572ee8d..f0c5286f934 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -106,7 +106,7 @@ void ext2_free_inode (struct inode * inode)
 	struct super_block * sb = inode->i_sb;
 	int is_directory;
 	unsigned long ino;
-	struct buffer_head *bitmap_bh = NULL;
+	struct buffer_head *bitmap_bh;
 	unsigned long block_group;
 	unsigned long bit;
 	struct ext2_super_block * es;
@@ -135,14 +135,13 @@ void ext2_free_inode (struct inode * inode)
 	    ino > le32_to_cpu(es->s_inodes_count)) {
 		ext2_error (sb, "ext2_free_inode",
 			    "reserved or nonexistent inode %lu", ino);
-		goto error_return;
+		return;
 	}
 	block_group = (ino - 1) / EXT2_INODES_PER_GROUP(sb);
 	bit = (ino - 1) % EXT2_INODES_PER_GROUP(sb);
-	brelse(bitmap_bh);
 	bitmap_bh = read_inode_bitmap(sb, block_group);
 	if (!bitmap_bh)
-		goto error_return;
+		return;
 
 	/* Ok, now we can actually update the inode bitmaps.. */
 	if (!ext2_clear_bit_atomic(sb_bgl_lock(EXT2_SB(sb), block_group),
@@ -154,7 +153,7 @@ void ext2_free_inode (struct inode * inode)
 	mark_buffer_dirty(bitmap_bh);
 	if (sb->s_flags & MS_SYNCHRONOUS)
 		sync_dirty_buffer(bitmap_bh);
-error_return:
+
 	brelse(bitmap_bh);
 }
 

From 41d1a636b813867339db52e12377ca132d54700f Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Mon, 12 Apr 2010 23:46:00 +0400
Subject: [PATCH 2575/3638] ext3: init statistics after journal recovery v2

Currently block/inode/dir counters are initialized before journal was
recovered. In fact after journal recovery this info will probably
change which results in incorrect numbers returned from statfs(2).
BUG:#15768

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext3/super.c | 44 +++++++++++++++++++++-----------------------
 1 file changed, 21 insertions(+), 23 deletions(-)

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 1bee604cc6c..6b6e49de091 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1890,21 +1890,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 	get_random_bytes(&sbi->s_next_generation, sizeof(u32));
 	spin_lock_init(&sbi->s_next_gen_lock);
 
-	err = percpu_counter_init(&sbi->s_freeblocks_counter,
-			ext3_count_free_blocks(sb));
-	if (!err) {
-		err = percpu_counter_init(&sbi->s_freeinodes_counter,
-				ext3_count_free_inodes(sb));
-	}
-	if (!err) {
-		err = percpu_counter_init(&sbi->s_dirs_counter,
-				ext3_count_dirs(sb));
-	}
-	if (err) {
-		ext3_msg(sb, KERN_ERR, "error: insufficient memory");
-		goto failed_mount3;
-	}
-
 	/* per fileystem reservation list head & lock */
 	spin_lock_init(&sbi->s_rsv_window_lock);
 	sbi->s_rsv_window_root = RB_ROOT;
@@ -1945,15 +1930,29 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 	if (!test_opt(sb, NOLOAD) &&
 	    EXT3_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
 		if (ext3_load_journal(sb, es, journal_devnum))
-			goto failed_mount3;
+			goto failed_mount2;
 	} else if (journal_inum) {
 		if (ext3_create_journal(sb, es, journal_inum))
-			goto failed_mount3;
+			goto failed_mount2;
 	} else {
 		if (!silent)
 			ext3_msg(sb, KERN_ERR,
 				"error: no journal found. "
 				"mounting ext3 over ext2?");
+		goto failed_mount2;
+	}
+	err = percpu_counter_init(&sbi->s_freeblocks_counter,
+			ext3_count_free_blocks(sb));
+	if (!err) {
+		err = percpu_counter_init(&sbi->s_freeinodes_counter,
+				ext3_count_free_inodes(sb));
+	}
+	if (!err) {
+		err = percpu_counter_init(&sbi->s_dirs_counter,
+				ext3_count_dirs(sb));
+	}
+	if (err) {
+		ext3_msg(sb, KERN_ERR, "error: insufficient memory");
 		goto failed_mount3;
 	}
 
@@ -1978,7 +1977,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 			ext3_msg(sb, KERN_ERR,
 				"error: journal does not support "
 				"requested data journaling mode");
-			goto failed_mount4;
+			goto failed_mount3;
 		}
 	default:
 		break;
@@ -2001,19 +2000,19 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 	if (IS_ERR(root)) {
 		ext3_msg(sb, KERN_ERR, "error: get root inode failed");
 		ret = PTR_ERR(root);
-		goto failed_mount4;
+		goto failed_mount3;
 	}
 	if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
 		iput(root);
 		ext3_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck");
-		goto failed_mount4;
+		goto failed_mount3;
 	}
 	sb->s_root = d_alloc_root(root);
 	if (!sb->s_root) {
 		ext3_msg(sb, KERN_ERR, "error: get root dentry failed");
 		iput(root);
 		ret = -ENOMEM;
-		goto failed_mount4;
+		goto failed_mount3;
 	}
 
 	ext3_setup_super (sb, es, sb->s_flags & MS_RDONLY);
@@ -2039,12 +2038,11 @@ cantfind_ext3:
 		       sb->s_id);
 	goto failed_mount;
 
-failed_mount4:
-	journal_destroy(sbi->s_journal);
 failed_mount3:
 	percpu_counter_destroy(&sbi->s_freeblocks_counter);
 	percpu_counter_destroy(&sbi->s_freeinodes_counter);
 	percpu_counter_destroy(&sbi->s_dirs_counter);
+	journal_destroy(sbi->s_journal);
 failed_mount2:
 	for (i = 0; i < db_count; i++)
 		brelse(sbi->s_group_desc[i]);

From 2b8120efb2d41e2aefce3b06cf3fd085f71e9021 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 14 Apr 2010 14:38:33 +0200
Subject: [PATCH 2576/3638] ext2: Use ext2_clear_super_error() in
 ext2_sync_fs()

ext2_sync_fs() used to duplicate the code from ext2_clear_super_error().

Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c | 20 +++-----------------
 1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 42e4a303b67..8e8b675ac20 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1120,8 +1120,8 @@ static void ext2_clear_super_error(struct super_block *sb)
 		 * be remapped.  Nothing we can do but to retry the
 		 * write and hope for the best.
 		 */
-		printk(KERN_ERR "EXT2-fs: %s previous I/O error to "
-		       "superblock detected", sb->s_id);
+		ext2_msg(sb, KERN_ERR,
+		       "previous I/O error to superblock detected\n");
 		clear_buffer_write_io_error(sbh);
 		set_buffer_uptodate(sbh);
 	}
@@ -1161,23 +1161,9 @@ static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es)
 static int ext2_sync_fs(struct super_block *sb, int wait)
 {
 	struct ext2_super_block *es = EXT2_SB(sb)->s_es;
-	struct buffer_head *sbh = EXT2_SB(sb)->s_sbh;
 
 	lock_kernel();
-	if (buffer_write_io_error(sbh)) {
-		/*
-		 * Oh, dear.  A previous attempt to write the
-		 * superblock failed.  This could happen because the
-		 * USB device was yanked out.  Or it could happen to
-		 * be a transient write error and maybe the block will
-		 * be remapped.  Nothing we can do but to retry the
-		 * write and hope for the best.
-		 */
-		ext2_msg(sb, KERN_ERR,
-		       "previous I/O error to superblock detected\n");
-		clear_buffer_write_io_error(sbh);
-		set_buffer_uptodate(sbh);
-	}
+	ext2_clear_super_error(sb);
 
 	if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
 		ext2_debug("setting valid to 0\n");

From 269c8db30cf5b60f47a44bbceaac118b986895d8 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 14 Apr 2010 14:38:34 +0200
Subject: [PATCH 2577/3638] ext2: Set the write time in ext2_sync_fs()

This is probably a typo since the write time should actually be updated by
ext2_sync_fs() instead of the mount time.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 8e8b675ac20..b2050032424 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1172,7 +1172,7 @@ static int ext2_sync_fs(struct super_block *sb, int wait)
 			cpu_to_le32(ext2_count_free_blocks(sb));
 		es->s_free_inodes_count =
 			cpu_to_le32(ext2_count_free_inodes(sb));
-		es->s_mtime = cpu_to_le32(get_seconds());
+		es->s_wtime = cpu_to_le32(get_seconds());
 		ext2_sync_super(sb, es);
 	} else {
 		ext2_commit_super(sb, es);

From 20da9baf4cf9c627aaf7b00d64ce0b2221bab9bf Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 14 Apr 2010 14:38:35 +0200
Subject: [PATCH 2578/3638] ext2: Remove duplicate code from ext2_sync_fs()

Depending in the state (valid or unchecked) of the filesystem either
ext2_sync_super() or ext2_commit_super() is called. If the filesystem is
currently valid (it is checked), we first mark it unchecked and afterwards
duplicate the work that ext2_sync_super() is doing later. Therefore this
patch removes the duplicate code and calls ext2_sync_super() directly after
marking the filesystem unchecked.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index b2050032424..09a88bf0457 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1163,16 +1163,9 @@ static int ext2_sync_fs(struct super_block *sb, int wait)
 	struct ext2_super_block *es = EXT2_SB(sb)->s_es;
 
 	lock_kernel();
-	ext2_clear_super_error(sb);
-
 	if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
 		ext2_debug("setting valid to 0\n");
 		es->s_state &= cpu_to_le16(~EXT2_VALID_FS);
-		es->s_free_blocks_count =
-			cpu_to_le32(ext2_count_free_blocks(sb));
-		es->s_free_inodes_count =
-			cpu_to_le32(ext2_count_free_inodes(sb));
-		es->s_wtime = cpu_to_le32(get_seconds());
 		ext2_sync_super(sb, es);
 	} else {
 		ext2_commit_super(sb, es);

From ee6921ebd04cb807dfe88b10ad80f1124813c673 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 14 Apr 2010 14:38:36 +0200
Subject: [PATCH 2579/3638] ext2: Fold ext2_commit_super() into
 ext2_sync_super()

Both function originally did similar things except that ext2_sync_super()
is returning after the call to sync_dirty_buffer(sbh). Therefore this
patch adds a wait flag to tell ext2_sync_super() if it has to call
sync_dirty_buffer() to wait for in-progress I/O to finish.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c | 28 +++++++++-------------------
 1 file changed, 9 insertions(+), 19 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 09a88bf0457..a304c544571 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -39,7 +39,7 @@
 #include "xip.h"
 
 static void ext2_sync_super(struct super_block *sb,
-			    struct ext2_super_block *es);
+			    struct ext2_super_block *es, int wait);
 static int ext2_remount (struct super_block * sb, int * flags, char * data);
 static int ext2_statfs (struct dentry * dentry, struct kstatfs * buf);
 static int ext2_sync_fs(struct super_block *sb, int wait);
@@ -54,7 +54,7 @@ void ext2_error (struct super_block * sb, const char * function,
 	if (!(sb->s_flags & MS_RDONLY)) {
 		sbi->s_mount_state |= EXT2_ERROR_FS;
 		es->s_state |= cpu_to_le16(EXT2_ERROR_FS);
-		ext2_sync_super(sb, es);
+		ext2_sync_super(sb, es, 1);
 	}
 
 	va_start(args, fmt);
@@ -125,7 +125,7 @@ static void ext2_put_super (struct super_block * sb)
 		struct ext2_super_block *es = sbi->s_es;
 
 		es->s_state = cpu_to_le16(sbi->s_mount_state);
-		ext2_sync_super(sb, es);
+		ext2_sync_super(sb, es, 1);
 	}
 	db_count = sbi->s_gdb_count;
 	for (i = 0; i < db_count; i++)
@@ -1127,23 +1127,16 @@ static void ext2_clear_super_error(struct super_block *sb)
 	}
 }
 
-static void ext2_commit_super (struct super_block * sb,
-			       struct ext2_super_block * es)
-{
-	ext2_clear_super_error(sb);
-	es->s_wtime = cpu_to_le32(get_seconds());
-	mark_buffer_dirty(EXT2_SB(sb)->s_sbh);
-	sb->s_dirt = 0;
-}
-
-static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es)
+static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es,
+			    int wait)
 {
 	ext2_clear_super_error(sb);
 	es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb));
 	es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb));
 	es->s_wtime = cpu_to_le32(get_seconds());
 	mark_buffer_dirty(EXT2_SB(sb)->s_sbh);
-	sync_dirty_buffer(EXT2_SB(sb)->s_sbh);
+	if (wait)
+		sync_dirty_buffer(EXT2_SB(sb)->s_sbh);
 	sb->s_dirt = 0;
 }
 
@@ -1166,11 +1159,8 @@ static int ext2_sync_fs(struct super_block *sb, int wait)
 	if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
 		ext2_debug("setting valid to 0\n");
 		es->s_state &= cpu_to_le16(~EXT2_VALID_FS);
-		ext2_sync_super(sb, es);
-	} else {
-		ext2_commit_super(sb, es);
 	}
-	sb->s_dirt = 0;
+	ext2_sync_super(sb, es, wait);
 	unlock_kernel();
 
 	return 0;
@@ -1268,7 +1258,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		if (!ext2_setup_super (sb, es, 0))
 			sb->s_flags &= ~MS_RDONLY;
 	}
-	ext2_sync_super(sb, es);
+	ext2_sync_super(sb, es, 1);
 	unlock_kernel();
 	return 0;
 restore_opts:

From 4c96a68bfc110d87b28bcee4c395a7b4d26ed67a Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 14 Apr 2010 14:38:37 +0200
Subject: [PATCH 2580/3638] ext2: Move ext2_write_super() out of
 ext2_setup_super()

Move ext2_write_super() out of ext2_setup_super() as a preparation for the
next patch that adds a new lock for superblock fields.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index a304c544571..f28a7ad02af 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -606,7 +606,6 @@ static int ext2_setup_super (struct super_block * sb,
 	if (!le16_to_cpu(es->s_max_mnt_count))
 		es->s_max_mnt_count = cpu_to_le16(EXT2_DFL_MAX_MNT_COUNT);
 	le16_add_cpu(&es->s_mnt_count, 1);
-	ext2_write_super(sb);
 	if (test_opt (sb, DEBUG))
 		ext2_msg(sb, KERN_INFO, "%s, %s, bs=%lu, fs=%lu, gc=%lu, "
 			"bpg=%lu, ipg=%lu, mo=%04lx]",
@@ -1079,7 +1078,9 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL))
 		ext2_msg(sb, KERN_WARNING,
 			"warning: mounting ext3 filesystem as ext2");
-	ext2_setup_super (sb, es, sb->s_flags & MS_RDONLY);
+	if (ext2_setup_super (sb, es, sb->s_flags & MS_RDONLY))
+		sb->s_flags |= MS_RDONLY;
+	ext2_write_super(sb);
 	return 0;
 
 cantfind_ext2:
@@ -1238,6 +1239,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		 */
 		es->s_state = cpu_to_le16(sbi->s_mount_state);
 		es->s_mtime = cpu_to_le32(get_seconds());
+		ext2_sync_super(sb, es, 1);
 	} else {
 		__le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb,
 					       ~EXT2_FEATURE_RO_COMPAT_SUPP);
@@ -1257,8 +1259,8 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		sbi->s_mount_state = le16_to_cpu(es->s_state);
 		if (!ext2_setup_super (sb, es, 0))
 			sb->s_flags &= ~MS_RDONLY;
+		ext2_write_super(sb);
 	}
-	ext2_sync_super(sb, es, 1);
 	unlock_kernel();
 	return 0;
 restore_opts:

From c15271f4e74cd6dbdf461335d6d1450949c4b956 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 14 Apr 2010 14:38:38 +0200
Subject: [PATCH 2581/3638] ext2: Add ext2_sb_info s_lock spinlock

Add a spinlock that protects against concurrent modifications of
s_mount_state, s_blocks_last, s_overhead_last and the content of the
superblock's buffer pointed to by sbi->s_es. The spinlock is now used in
ext2_xattr_update_super_block() which was setting the
EXT2_FEATURE_COMPAT_EXT_ATTR flag on the superblock without protection
before. Likewise the spinlock is used in ext2_show_options() to have a
consistent view of the mount options.

This is a preparation patch for removing the BKL from ext2 in the next
patch.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Jan Kara <jack@suse.cz>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/inode.c            |  2 ++
 fs/ext2/super.c            | 27 ++++++++++++++++++++++++++-
 fs/ext2/xattr.c            |  2 ++
 include/linux/ext2_fs_sb.h |  9 +++++++++
 4 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index fc13cc119aa..5d15442abbd 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1407,9 +1407,11 @@ static int __ext2_write_inode(struct inode *inode, int do_sync)
 				* created, add a flag to the superblock.
 				*/
 				lock_kernel();
+				spin_lock(&EXT2_SB(sb)->s_lock);
 				ext2_update_dynamic_rev(sb);
 				EXT2_SET_RO_COMPAT_FEATURE(sb,
 					EXT2_FEATURE_RO_COMPAT_LARGE_FILE);
+				spin_unlock(&EXT2_SB(sb)->s_lock);
 				unlock_kernel();
 				ext2_write_super(sb);
 			}
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index f28a7ad02af..28f65609589 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -52,8 +52,10 @@ void ext2_error (struct super_block * sb, const char * function,
 	struct ext2_super_block *es = sbi->s_es;
 
 	if (!(sb->s_flags & MS_RDONLY)) {
+		spin_lock(&sbi->s_lock);
 		sbi->s_mount_state |= EXT2_ERROR_FS;
 		es->s_state |= cpu_to_le16(EXT2_ERROR_FS);
+		spin_unlock(&sbi->s_lock);
 		ext2_sync_super(sb, es, 1);
 	}
 
@@ -84,6 +86,9 @@ void ext2_msg(struct super_block *sb, const char *prefix,
 	va_end(args);
 }
 
+/*
+ * This must be called with sbi->s_lock held.
+ */
 void ext2_update_dynamic_rev(struct super_block *sb)
 {
 	struct ext2_super_block *es = EXT2_SB(sb)->s_es;
@@ -124,7 +129,9 @@ static void ext2_put_super (struct super_block * sb)
 	if (!(sb->s_flags & MS_RDONLY)) {
 		struct ext2_super_block *es = sbi->s_es;
 
+		spin_lock(&sbi->s_lock);
 		es->s_state = cpu_to_le16(sbi->s_mount_state);
+		spin_unlock(&sbi->s_lock);
 		ext2_sync_super(sb, es, 1);
 	}
 	db_count = sbi->s_gdb_count;
@@ -209,6 +216,7 @@ static int ext2_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	struct ext2_super_block *es = sbi->s_es;
 	unsigned long def_mount_opts;
 
+	spin_lock(&sbi->s_lock);
 	def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
 
 	if (sbi->s_sb_block != 1)
@@ -281,6 +289,7 @@ static int ext2_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	if (!test_opt(sb, RESERVATION))
 		seq_puts(seq, ",noreservation");
 
+	spin_unlock(&sbi->s_lock);
 	return 0;
 }
 
@@ -766,6 +775,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_fs_info = sbi;
 	sbi->s_sb_block = sb_block;
 
+	spin_lock_init(&sbi->s_lock);
+
 	/*
 	 * See what the current blocksize for the device is, and
 	 * use that as the blocksize.  Otherwise (or if the blocksize
@@ -1132,9 +1143,12 @@ static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es,
 			    int wait)
 {
 	ext2_clear_super_error(sb);
+	spin_lock(&EXT2_SB(sb)->s_lock);
 	es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb));
 	es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb));
 	es->s_wtime = cpu_to_le32(get_seconds());
+	/* unlock before we do IO */
+	spin_unlock(&EXT2_SB(sb)->s_lock);
 	mark_buffer_dirty(EXT2_SB(sb)->s_sbh);
 	if (wait)
 		sync_dirty_buffer(EXT2_SB(sb)->s_sbh);
@@ -1151,16 +1165,18 @@ static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es,
  * may have been checked while mounted and e2fsck may have
  * set s_state to EXT2_VALID_FS after some corrections.
  */
-
 static int ext2_sync_fs(struct super_block *sb, int wait)
 {
+	struct ext2_sb_info *sbi = EXT2_SB(sb);
 	struct ext2_super_block *es = EXT2_SB(sb)->s_es;
 
 	lock_kernel();
+	spin_lock(&sbi->s_lock);
 	if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
 		ext2_debug("setting valid to 0\n");
 		es->s_state &= cpu_to_le16(~EXT2_VALID_FS);
 	}
+	spin_unlock(&sbi->s_lock);
 	ext2_sync_super(sb, es, wait);
 	unlock_kernel();
 
@@ -1186,6 +1202,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 	int err;
 
 	lock_kernel();
+	spin_lock(&sbi->s_lock);
 
 	/* Store the old options */
 	old_sb_flags = sb->s_flags;
@@ -1224,12 +1241,14 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		sbi->s_mount_opt |= old_mount_opt & EXT2_MOUNT_XIP;
 	}
 	if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
+		spin_unlock(&sbi->s_lock);
 		unlock_kernel();
 		return 0;
 	}
 	if (*flags & MS_RDONLY) {
 		if (le16_to_cpu(es->s_state) & EXT2_VALID_FS ||
 		    !(sbi->s_mount_state & EXT2_VALID_FS)) {
+			spin_unlock(&sbi->s_lock);
 			unlock_kernel();
 			return 0;
 		}
@@ -1239,6 +1258,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		 */
 		es->s_state = cpu_to_le16(sbi->s_mount_state);
 		es->s_mtime = cpu_to_le32(get_seconds());
+		spin_unlock(&sbi->s_lock);
 		ext2_sync_super(sb, es, 1);
 	} else {
 		__le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb,
@@ -1259,6 +1279,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		sbi->s_mount_state = le16_to_cpu(es->s_state);
 		if (!ext2_setup_super (sb, es, 0))
 			sb->s_flags &= ~MS_RDONLY;
+		spin_unlock(&sbi->s_lock);
 		ext2_write_super(sb);
 	}
 	unlock_kernel();
@@ -1268,6 +1289,7 @@ restore_opts:
 	sbi->s_resuid = old_opts.s_resuid;
 	sbi->s_resgid = old_opts.s_resgid;
 	sb->s_flags = old_sb_flags;
+	spin_unlock(&sbi->s_lock);
 	unlock_kernel();
 	return err;
 }
@@ -1279,6 +1301,8 @@ static int ext2_statfs (struct dentry * dentry, struct kstatfs * buf)
 	struct ext2_super_block *es = sbi->s_es;
 	u64 fsid;
 
+	spin_lock(&sbi->s_lock);
+
 	if (test_opt (sb, MINIX_DF))
 		sbi->s_overhead_last = 0;
 	else if (sbi->s_blocks_last != le32_to_cpu(es->s_blocks_count)) {
@@ -1333,6 +1357,7 @@ static int ext2_statfs (struct dentry * dentry, struct kstatfs * buf)
 	       le64_to_cpup((void *)es->s_uuid + sizeof(u64));
 	buf->f_fsid.val[0] = fsid & 0xFFFFFFFFUL;
 	buf->f_fsid.val[1] = (fsid >> 32) & 0xFFFFFFFFUL;
+	spin_unlock(&sbi->s_lock);
 	return 0;
 }
 
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index e44dc92609b..3b96045a00c 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -345,7 +345,9 @@ static void ext2_xattr_update_super_block(struct super_block *sb)
 	if (EXT2_HAS_COMPAT_FEATURE(sb, EXT2_FEATURE_COMPAT_EXT_ATTR))
 		return;
 
+	spin_lock(&EXT2_SB(sb)->s_lock);
 	EXT2_SET_COMPAT_FEATURE(sb, EXT2_FEATURE_COMPAT_EXT_ATTR);
+	spin_unlock(&EXT2_SB(sb)->s_lock);
 	sb->s_dirt = 1;
 	mark_buffer_dirty(EXT2_SB(sb)->s_sbh);
 }
diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h
index 1cdb66367c9..db4d9f586bb 100644
--- a/include/linux/ext2_fs_sb.h
+++ b/include/linux/ext2_fs_sb.h
@@ -106,6 +106,15 @@ struct ext2_sb_info {
 	spinlock_t s_rsv_window_lock;
 	struct rb_root s_rsv_window_root;
 	struct ext2_reserve_window_node s_rsv_window_head;
+	/*
+	 * s_lock protects against concurrent modifications of s_mount_state,
+	 * s_blocks_last, s_overhead_last and the content of superblock's
+	 * buffer pointed to by sbi->s_es.
+	 *
+	 * Note: It is used in ext2_show_options() to provide a consistent view
+	 * of the mount options.
+	 */
+	spinlock_t s_lock;
 };
 
 static inline spinlock_t *

From e0a5cbac029db69032758000c67465c2ed7a5736 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 14 Apr 2010 14:38:39 +0200
Subject: [PATCH 2582/3638] BKL: Remove BKL from ext2 filesystem

The BKL is still used in ext2_put_super(), ext2_fill_super(), ext2_sync_fs()
ext2_remount() and ext2_write_inode(). From these calls ext2_put_super(),
ext2_fill_super() and ext2_remount() are protected against each other by
the struct super_block s_umount rw semaphore. The call in ext2_write_inode()
could only protect the modification of the ext2_sb_info through
ext2_update_dynamic_rev() against concurrent ext2_sync_fs() or ext2_remount().
ext2_fill_super() and ext2_put_super() can be left out because you need a
valid filesystem reference in all three cases, which you do not have when
you are one of these functions.

If the BKL is only protecting the modification of the ext2_sb_info it can
safely be removed since this is protected by the struct ext2_sb_info s_lock.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/inode.c |  3 ---
 fs/ext2/super.c | 13 -------------
 2 files changed, 16 deletions(-)

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 5d15442abbd..b90c3bf6e9b 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -22,7 +22,6 @@
  *  Assorted race fixes, rewrite of ext2_get_block() by Al Viro, 2000
  */
 
-#include <linux/smp_lock.h>
 #include <linux/time.h>
 #include <linux/highuid.h>
 #include <linux/pagemap.h>
@@ -1406,13 +1405,11 @@ static int __ext2_write_inode(struct inode *inode, int do_sync)
 			       /* If this is the first large file
 				* created, add a flag to the superblock.
 				*/
-				lock_kernel();
 				spin_lock(&EXT2_SB(sb)->s_lock);
 				ext2_update_dynamic_rev(sb);
 				EXT2_SET_RO_COMPAT_FEATURE(sb,
 					EXT2_FEATURE_RO_COMPAT_LARGE_FILE);
 				spin_unlock(&EXT2_SB(sb)->s_lock);
-				unlock_kernel();
 				ext2_write_super(sb);
 			}
 		}
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 28f65609589..71e9eb1fa69 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -26,7 +26,6 @@
 #include <linux/random.h>
 #include <linux/buffer_head.h>
 #include <linux/exportfs.h>
-#include <linux/smp_lock.h>
 #include <linux/vfs.h>
 #include <linux/seq_file.h>
 #include <linux/mount.h>
@@ -120,8 +119,6 @@ static void ext2_put_super (struct super_block * sb)
 	int i;
 	struct ext2_sb_info *sbi = EXT2_SB(sb);
 
-	lock_kernel();
-
 	if (sb->s_dirt)
 		ext2_write_super(sb);
 
@@ -147,8 +144,6 @@ static void ext2_put_super (struct super_block * sb)
 	sb->s_fs_info = NULL;
 	kfree(sbi->s_blockgroup_lock);
 	kfree(sbi);
-
-	unlock_kernel();
 }
 
 static struct kmem_cache * ext2_inode_cachep;
@@ -1170,7 +1165,6 @@ static int ext2_sync_fs(struct super_block *sb, int wait)
 	struct ext2_sb_info *sbi = EXT2_SB(sb);
 	struct ext2_super_block *es = EXT2_SB(sb)->s_es;
 
-	lock_kernel();
 	spin_lock(&sbi->s_lock);
 	if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
 		ext2_debug("setting valid to 0\n");
@@ -1178,8 +1172,6 @@ static int ext2_sync_fs(struct super_block *sb, int wait)
 	}
 	spin_unlock(&sbi->s_lock);
 	ext2_sync_super(sb, es, wait);
-	unlock_kernel();
-
 	return 0;
 }
 
@@ -1201,7 +1193,6 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 	unsigned long old_sb_flags;
 	int err;
 
-	lock_kernel();
 	spin_lock(&sbi->s_lock);
 
 	/* Store the old options */
@@ -1242,14 +1233,12 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 	}
 	if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
 		spin_unlock(&sbi->s_lock);
-		unlock_kernel();
 		return 0;
 	}
 	if (*flags & MS_RDONLY) {
 		if (le16_to_cpu(es->s_state) & EXT2_VALID_FS ||
 		    !(sbi->s_mount_state & EXT2_VALID_FS)) {
 			spin_unlock(&sbi->s_lock);
-			unlock_kernel();
 			return 0;
 		}
 		/*
@@ -1282,7 +1271,6 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		spin_unlock(&sbi->s_lock);
 		ext2_write_super(sb);
 	}
-	unlock_kernel();
 	return 0;
 restore_opts:
 	sbi->s_mount_opt = old_opts.s_mount_opt;
@@ -1290,7 +1278,6 @@ restore_opts:
 	sbi->s_resgid = old_opts.s_resgid;
 	sb->s_flags = old_sb_flags;
 	spin_unlock(&sbi->s_lock);
-	unlock_kernel();
 	return err;
 }
 

From 311b9549ed2bb0f2c2257781c3e88cb00505e80e Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 15 Apr 2010 00:56:58 +0200
Subject: [PATCH 2583/3638] ufs: add ufs speciffic ->setattr call

generic setattr not longer responsible for quota transfer.
use ufs_setattr for all ufs's inodes.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ufs/inode.c    | 2 +-
 fs/ufs/namei.c    | 2 +-
 fs/ufs/symlink.c  | 8 ++++++++
 fs/ufs/truncate.c | 2 +-
 fs/ufs/ufs.h      | 2 ++
 5 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 80b68c3702d..cffa756f104 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -603,7 +603,7 @@ static void ufs_set_inode_ops(struct inode *inode)
 		if (!inode->i_blocks)
 			inode->i_op = &ufs_fast_symlink_inode_operations;
 		else {
-			inode->i_op = &page_symlink_inode_operations;
+			inode->i_op = &ufs_symlink_inode_operations;
 			inode->i_mapping->a_ops = &ufs_aops;
 		}
 	} else
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 118556243e7..eabc02eb129 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -148,7 +148,7 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry,
 
 	if (l > UFS_SB(sb)->s_uspi->s_maxsymlinklen) {
 		/* slow symlink */
-		inode->i_op = &page_symlink_inode_operations;
+		inode->i_op = &ufs_symlink_inode_operations;
 		inode->i_mapping->a_ops = &ufs_aops;
 		err = page_symlink(inode, symname, l);
 		if (err)
diff --git a/fs/ufs/symlink.c b/fs/ufs/symlink.c
index c0156eda44b..d283628b477 100644
--- a/fs/ufs/symlink.c
+++ b/fs/ufs/symlink.c
@@ -42,4 +42,12 @@ static void *ufs_follow_link(struct dentry *dentry, struct nameidata *nd)
 const struct inode_operations ufs_fast_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= ufs_follow_link,
+	.setattr	= ufs_setattr,
+};
+
+const struct inode_operations ufs_symlink_inode_operations = {
+	.readlink	= generic_readlink,
+	.follow_link	= page_follow_link_light,
+	.put_link	= page_put_link,
+	.setattr	= ufs_setattr,
 };
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index d3b6270cb37..ee8db3e77bf 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -508,7 +508,7 @@ out:
  * - there is no way to know old size
  * - there is no way inform user about error, if it happens in `truncate'
  */
-static int ufs_setattr(struct dentry *dentry, struct iattr *attr)
+int ufs_setattr(struct dentry *dentry, struct iattr *attr)
 {
 	struct inode *inode = dentry->d_inode;
 	unsigned int ia_valid = attr->ia_valid;
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index 43f9f5d5670..179ae6b3180 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -122,9 +122,11 @@ extern void ufs_panic (struct super_block *, const char *, const char *, ...) __
 
 /* symlink.c */
 extern const struct inode_operations ufs_fast_symlink_inode_operations;
+extern const struct inode_operations ufs_symlink_inode_operations;
 
 /* truncate.c */
 extern int ufs_truncate (struct inode *, loff_t);
+extern int ufs_setattr(struct dentry *dentry, struct iattr *attr);
 
 static inline struct ufs_sb_info *UFS_SB(struct super_block *sb)
 {

From 03f4d804a1b4748885dc4613a4afe10089a731c8 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 15 Apr 2010 22:16:24 +0200
Subject: [PATCH 2584/3638] jbd: Provide function to check whether transaction
 will issue data barrier

Provide a function which returns whether a transaction with given tid
will send a barrier to the filesystem device. The function will be used
by ext3 to detect whether fsync needs to send a separate barrier or not.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/jbd/commit.c     |  8 +++++++-
 fs/jbd/journal.c    | 33 +++++++++++++++++++++++++++++++++
 include/linux/jbd.h |  3 ++-
 3 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index ecb44c94ba8..28a9ddaa0c4 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -786,6 +786,12 @@ wait_for_iobuf:
 
 	jbd_debug(3, "JBD: commit phase 6\n");
 
+	/* All metadata is written, now write commit record and do cleanup */
+	spin_lock(&journal->j_state_lock);
+	J_ASSERT(commit_transaction->t_state == T_COMMIT);
+	commit_transaction->t_state = T_COMMIT_RECORD;
+	spin_unlock(&journal->j_state_lock);
+
 	if (journal_write_commit_record(journal, commit_transaction))
 		err = -EIO;
 
@@ -923,7 +929,7 @@ restart_loop:
 
 	jbd_debug(3, "JBD: commit phase 8\n");
 
-	J_ASSERT(commit_transaction->t_state == T_COMMIT);
+	J_ASSERT(commit_transaction->t_state == T_COMMIT_RECORD);
 
 	commit_transaction->t_state = T_FINISHED;
 	J_ASSERT(commit_transaction == journal->j_committing_transaction);
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index bd224eec9b0..99c71940155 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -564,6 +564,38 @@ int log_wait_commit(journal_t *journal, tid_t tid)
 	return err;
 }
 
+/*
+ * Return 1 if a given transaction has not yet sent barrier request
+ * connected with a transaction commit. If 0 is returned, transaction
+ * may or may not have sent the barrier. Used to avoid sending barrier
+ * twice in common cases.
+ */
+int journal_trans_will_send_data_barrier(journal_t *journal, tid_t tid)
+{
+	int ret = 0;
+	transaction_t *commit_trans;
+
+	if (!(journal->j_flags & JFS_BARRIER))
+		return 0;
+	spin_lock(&journal->j_state_lock);
+	/* Transaction already committed? */
+	if (tid_geq(journal->j_commit_sequence, tid))
+		goto out;
+	/*
+	 * Transaction is being committed and we already proceeded to
+	 * writing commit record?
+	 */
+	commit_trans = journal->j_committing_transaction;
+	if (commit_trans && commit_trans->t_tid == tid &&
+	    commit_trans->t_state >= T_COMMIT_RECORD)
+		goto out;
+	ret = 1;
+out:
+	spin_unlock(&journal->j_state_lock);
+	return ret;
+}
+EXPORT_SYMBOL(journal_commit_will_send_barrier);
+
 /*
  * Log buffer allocation routines:
  */
@@ -1157,6 +1189,7 @@ int journal_destroy(journal_t *journal)
 {
 	int err = 0;
 
+	
 	/* Wait for the commit thread to wake up and die. */
 	journal_kill_thread(journal);
 
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 516a2a27e87..e06965081ba 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -427,9 +427,9 @@ struct transaction_s
 	enum {
 		T_RUNNING,
 		T_LOCKED,
-		T_RUNDOWN,
 		T_FLUSH,
 		T_COMMIT,
+		T_COMMIT_RECORD,
 		T_FINISHED
 	}			t_state;
 
@@ -991,6 +991,7 @@ int journal_start_commit(journal_t *journal, tid_t *tid);
 int journal_force_commit_nested(journal_t *journal);
 int log_wait_commit(journal_t *journal, tid_t tid);
 int log_do_checkpoint(journal_t *journal);
+int journal_trans_will_send_data_barrier(journal_t *journal, tid_t tid);
 
 void __log_wait_for_space(journal_t *journal);
 extern void	__journal_drop_transaction(journal_t *, transaction_t *);

From 5277970878a32e437b27296e34c592e5d351f11d Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 15 Apr 2010 22:24:26 +0200
Subject: [PATCH 2585/3638] ext3: Fix waiting on transaction during fsync

log_start_commit() returns 1 only when it started a transaction
commit. Thus in case transaction commit is already running, we
fail to wait for the commit to finish. Fix the issue by always
waiting for the commit regardless of the log_start_commit return
value.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext3/fsync.c  | 20 +++++++++-----------
 fs/jbd/journal.c |  2 +-
 2 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index 8209f266e9a..26289e8f416 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -48,7 +48,7 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
 	struct inode *inode = dentry->d_inode;
 	struct ext3_inode_info *ei = EXT3_I(inode);
 	journal_t *journal = EXT3_SB(inode->i_sb)->s_journal;
-	int ret = 0;
+	int ret, needs_barrier = 0;
 	tid_t commit_tid;
 
 	if (inode->i_sb->s_flags & MS_RDONLY)
@@ -70,28 +70,26 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
 	 *  (they were dirtied by commit).  But that's OK - the blocks are
 	 *  safe in-journal, which is all fsync() needs to ensure.
 	 */
-	if (ext3_should_journal_data(inode)) {
-		ret = ext3_force_commit(inode->i_sb);
-		goto out;
-	}
+	if (ext3_should_journal_data(inode))
+		return ext3_force_commit(inode->i_sb);
 
 	if (datasync)
 		commit_tid = atomic_read(&ei->i_datasync_tid);
 	else
 		commit_tid = atomic_read(&ei->i_sync_tid);
 
-	if (log_start_commit(journal, commit_tid)) {
-		log_wait_commit(journal, commit_tid);
-		goto out;
-	}
+	if (test_opt(inode->i_sb, BARRIER) &&
+	    !journal_trans_will_send_data_barrier(journal, commit_tid))
+		needs_barrier = 1;
+	log_start_commit(journal, commit_tid);
+	ret = log_wait_commit(journal, commit_tid);
 
 	/*
 	 * In case we didn't commit a transaction, we have to flush
 	 * disk caches manually so that data really is on persistent
 	 * storage
 	 */
-	if (test_opt(inode->i_sb, BARRIER))
+	if (needs_barrier)
 		blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
-out:
 	return ret;
 }
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 99c71940155..93d1e47647b 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -594,7 +594,7 @@ out:
 	spin_unlock(&journal->j_state_lock);
 	return ret;
 }
-EXPORT_SYMBOL(journal_commit_will_send_barrier);
+EXPORT_SYMBOL(journal_trans_will_send_data_barrier);
 
 /*
  * Log buffer allocation routines:

From da8d1ba22fa1fd0c0e541a43d75ebb062589b14b Mon Sep 17 00:00:00 2001
From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Date: Mon, 26 Apr 2010 12:09:26 +0200
Subject: [PATCH 2586/3638] suppress warning: "quotatypes" defined but not used

Suppress compilation warning: "quotatypes" defined but not used.
quotatypes is used only when CONFIG_QUOTA_DEBUG or CONFIG_PRINT_QUOTA_WARNING
is/are defined.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/dquot.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 05c590e10ac..ae766056350 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -132,7 +132,9 @@ static __cacheline_aligned_in_smp DEFINE_SPINLOCK(dq_state_lock);
 __cacheline_aligned_in_smp DEFINE_SPINLOCK(dq_data_lock);
 EXPORT_SYMBOL(dq_data_lock);
 
+#if defined(CONFIG_QUOTA_DEBUG) || defined(CONFIG_PRINT_QUOTA_WARNING)
 static char *quotatypes[] = INITQFNAMES;
+#endif
 static struct quota_format_type *quota_formats;	/* List of registered formats */
 static struct quota_module_name module_names[] = INIT_QUOTA_MODULE_NAMES;
 

From dde9588853b1bde542eab247f8838c472806688f Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Mon, 26 Apr 2010 20:03:33 +0400
Subject: [PATCH 2587/3638] quota: Make quota stat accounting lockless.

Quota stats is mostly writable data structure. Let's alloc percpu
bucket for each value.

NOTE: dqstats_read() function is racy against dqstats_{inc,dec}
and may return inconsistent value. But this is ok since absolute
accuracy is not required.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/dquot.c      | 102 ++++++++++++++++++++++++++++--------------
 fs/quota/quota_tree.c |   4 +-
 fs/quota/quota_v1.c   |   4 +-
 include/linux/quota.h |  44 ++++++++++++++----
 4 files changed, 107 insertions(+), 47 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index ae766056350..01347e81d0c 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -82,7 +82,7 @@
 
 /*
  * There are three quota SMP locks. dq_list_lock protects all lists with quotas
- * and quota formats, dqstats structure containing statistics about the lists
+ * and quota formats.
  * dq_data_lock protects data from dq_dqb and also mem_dqinfo structures and
  * also guards consistency of dquot->dq_dqb with inode->i_blocks, i_bytes.
  * i_blocks and i_bytes updates itself are guarded by i_lock acquired directly
@@ -228,6 +228,10 @@ static struct hlist_head *dquot_hash;
 
 struct dqstats dqstats;
 EXPORT_SYMBOL(dqstats);
+#ifdef CONFIG_SMP
+struct dqstats *dqstats_pcpu;
+EXPORT_SYMBOL(dqstats_pcpu);
+#endif
 
 static qsize_t inode_get_rsv_space(struct inode *inode);
 static void __dquot_initialize(struct inode *inode, int type);
@@ -275,7 +279,7 @@ static struct dquot *find_dquot(unsigned int hashent, struct super_block *sb,
 static inline void put_dquot_last(struct dquot *dquot)
 {
 	list_add_tail(&dquot->dq_free, &free_dquots);
-	dqstats.free_dquots++;
+	dqstats_inc(DQST_FREE_DQUOTS);
 }
 
 static inline void remove_free_dquot(struct dquot *dquot)
@@ -283,7 +287,7 @@ static inline void remove_free_dquot(struct dquot *dquot)
 	if (list_empty(&dquot->dq_free))
 		return;
 	list_del_init(&dquot->dq_free);
-	dqstats.free_dquots--;
+	dqstats_dec(DQST_FREE_DQUOTS);
 }
 
 static inline void put_inuse(struct dquot *dquot)
@@ -291,12 +295,12 @@ static inline void put_inuse(struct dquot *dquot)
 	/* We add to the back of inuse list so we don't have to restart
 	 * when traversing this list and we block */
 	list_add_tail(&dquot->dq_inuse, &inuse_list);
-	dqstats.allocated_dquots++;
+	dqstats_inc(DQST_ALLOC_DQUOTS);
 }
 
 static inline void remove_inuse(struct dquot *dquot)
 {
-	dqstats.allocated_dquots--;
+	dqstats_dec(DQST_ALLOC_DQUOTS);
 	list_del(&dquot->dq_inuse);
 }
 /*
@@ -561,8 +565,8 @@ int dquot_scan_active(struct super_block *sb,
 			continue;
 		/* Now we have active dquot so we can just increase use count */
 		atomic_inc(&dquot->dq_count);
-		dqstats.lookups++;
 		spin_unlock(&dq_list_lock);
+		dqstats_inc(DQST_LOOKUPS);
 		dqput(old_dquot);
 		old_dquot = dquot;
 		ret = fn(dquot, priv);
@@ -607,8 +611,8 @@ int vfs_quota_sync(struct super_block *sb, int type, int wait)
  			 * holding reference so we can safely just increase
 			 * use count */
 			atomic_inc(&dquot->dq_count);
-			dqstats.lookups++;
 			spin_unlock(&dq_list_lock);
+			dqstats_inc(DQST_LOOKUPS);
 			sb->dq_op->write_dquot(dquot);
 			dqput(dquot);
 			spin_lock(&dq_list_lock);
@@ -620,9 +624,7 @@ int vfs_quota_sync(struct super_block *sb, int type, int wait)
 		if ((cnt == type || type == -1) && sb_has_quota_active(sb, cnt)
 		    && info_dirty(&dqopt->info[cnt]))
 			sb->dq_op->write_info(sb, cnt);
-	spin_lock(&dq_list_lock);
-	dqstats.syncs++;
-	spin_unlock(&dq_list_lock);
+	dqstats_inc(DQST_SYNCS);
 	mutex_unlock(&dqopt->dqonoff_mutex);
 
 	if (!wait || (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE))
@@ -674,6 +676,22 @@ static void prune_dqcache(int count)
 	}
 }
 
+static int dqstats_read(unsigned int type)
+{
+	int count = 0;
+#ifdef CONFIG_SMP
+	int cpu;
+	for_each_possible_cpu(cpu)
+		count += per_cpu_ptr(dqstats_pcpu, cpu)->stat[type];
+	/* Statistics reading is racy, but absolute accuracy isn't required */
+	if (count < 0)
+		count = 0;
+#else
+	count = dqstats.stat[type];
+#endif
+	return count;
+}
+
 /*
  * This is called from kswapd when we think we need some
  * more memory
@@ -686,7 +704,7 @@ static int shrink_dqcache_memory(int nr, gfp_t gfp_mask)
 		prune_dqcache(nr);
 		spin_unlock(&dq_list_lock);
 	}
-	return (dqstats.free_dquots / 100) * sysctl_vfs_cache_pressure;
+	return (dqstats_read(DQST_FREE_DQUOTS)/100) * sysctl_vfs_cache_pressure;
 }
 
 static struct shrinker dqcache_shrinker = {
@@ -714,10 +732,7 @@ void dqput(struct dquot *dquot)
 		BUG();
 	}
 #endif
-	
-	spin_lock(&dq_list_lock);
-	dqstats.drops++;
-	spin_unlock(&dq_list_lock);
+	dqstats_inc(DQST_DROPS);
 we_slept:
 	spin_lock(&dq_list_lock);
 	if (atomic_read(&dquot->dq_count) > 1) {
@@ -834,15 +849,15 @@ we_slept:
 		put_inuse(dquot);
 		/* hash it first so it can be found */
 		insert_dquot_hash(dquot);
-		dqstats.lookups++;
 		spin_unlock(&dq_list_lock);
+		dqstats_inc(DQST_LOOKUPS);
 	} else {
 		if (!atomic_read(&dquot->dq_count))
 			remove_free_dquot(dquot);
 		atomic_inc(&dquot->dq_count);
-		dqstats.cache_hits++;
-		dqstats.lookups++;
 		spin_unlock(&dq_list_lock);
+		dqstats_inc(DQST_CACHE_HITS);
+		dqstats_inc(DQST_LOOKUPS);
 	}
 	/* Wait for dq_lock - after this we know that either dquot_release() is
 	 * already finished or it will be canceled due to dq_count > 1 test */
@@ -2476,62 +2491,74 @@ const struct quotactl_ops vfs_quotactl_ops = {
 	.set_dqblk	= vfs_set_dqblk
 };
 
+
+static int do_proc_dqstats(struct ctl_table *table, int write,
+		     void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+#ifdef CONFIG_SMP
+	/* Update global table */
+	unsigned int type = (int *)table->data - dqstats.stat;
+	dqstats.stat[type] = dqstats_read(type);
+#endif
+	return proc_dointvec(table, write, buffer, lenp, ppos);
+}
+
 static ctl_table fs_dqstats_table[] = {
 	{
 		.procname	= "lookups",
-		.data		= &dqstats.lookups,
+		.data		= &dqstats.stat[DQST_LOOKUPS],
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= do_proc_dqstats,
 	},
 	{
 		.procname	= "drops",
-		.data		= &dqstats.drops,
+		.data		= &dqstats.stat[DQST_DROPS],
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= do_proc_dqstats,
 	},
 	{
 		.procname	= "reads",
-		.data		= &dqstats.reads,
+		.data		= &dqstats.stat[DQST_READS],
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= do_proc_dqstats,
 	},
 	{
 		.procname	= "writes",
-		.data		= &dqstats.writes,
+		.data		= &dqstats.stat[DQST_WRITES],
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= do_proc_dqstats,
 	},
 	{
 		.procname	= "cache_hits",
-		.data		= &dqstats.cache_hits,
+		.data		= &dqstats.stat[DQST_CACHE_HITS],
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= do_proc_dqstats,
 	},
 	{
 		.procname	= "allocated_dquots",
-		.data		= &dqstats.allocated_dquots,
+		.data		= &dqstats.stat[DQST_ALLOC_DQUOTS],
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= do_proc_dqstats,
 	},
 	{
 		.procname	= "free_dquots",
-		.data		= &dqstats.free_dquots,
+		.data		= &dqstats.stat[DQST_FREE_DQUOTS],
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= do_proc_dqstats,
 	},
 	{
 		.procname	= "syncs",
-		.data		= &dqstats.syncs,
+		.data		= &dqstats.stat[DQST_SYNCS],
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= do_proc_dqstats,
 	},
 #ifdef CONFIG_PRINT_QUOTA_WARNING
 	{
@@ -2583,6 +2610,13 @@ static int __init dquot_init(void)
 	if (!dquot_hash)
 		panic("Cannot create dquot hash table");
 
+#ifdef CONFIG_SMP
+	dqstats_pcpu = alloc_percpu(struct dqstats);
+	if (!dqstats_pcpu)
+		panic("Cannot create dquot stats table");
+#endif
+	memset(&dqstats, 0, sizeof(struct dqstats));
+
 	/* Find power-of-two hlist_heads which can fit into allocation */
 	nr_hash = (1UL << order) * PAGE_SIZE / sizeof(struct hlist_head);
 	dq_hash_bits = 0;
diff --git a/fs/quota/quota_tree.c b/fs/quota/quota_tree.c
index f81f4bcfb17..5b7f7416ec7 100644
--- a/fs/quota/quota_tree.c
+++ b/fs/quota/quota_tree.c
@@ -384,7 +384,7 @@ int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
 	} else {
 		ret = 0;
 	}
-	dqstats.writes++;
+	dqstats_inc(DQST_WRITES);
 	kfree(ddquot);
 
 	return ret;
@@ -634,7 +634,7 @@ int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
 	spin_unlock(&dq_data_lock);
 	kfree(ddquot);
 out:
-	dqstats.reads++;
+	dqstats_inc(DQST_READS);
 	return ret;
 }
 EXPORT_SYMBOL(qtree_read_dquot);
diff --git a/fs/quota/quota_v1.c b/fs/quota/quota_v1.c
index 2ae757e9c00..4af344c5852 100644
--- a/fs/quota/quota_v1.c
+++ b/fs/quota/quota_v1.c
@@ -71,7 +71,7 @@ static int v1_read_dqblk(struct dquot *dquot)
 	    dquot->dq_dqb.dqb_ihardlimit == 0 &&
 	    dquot->dq_dqb.dqb_isoftlimit == 0)
 		set_bit(DQ_FAKE_B, &dquot->dq_flags);
-	dqstats.reads++;
+	dqstats_inc(DQST_READS);
 
 	return 0;
 }
@@ -104,7 +104,7 @@ static int v1_commit_dqblk(struct dquot *dquot)
 	ret = 0;
 
 out:
-	dqstats.writes++;
+	dqstats_inc(DQST_WRITES);
 
 	return ret;
 }
diff --git a/include/linux/quota.h b/include/linux/quota.h
index b462916b2a0..cdfde10481b 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -174,6 +174,8 @@ enum {
 #include <linux/rwsem.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
+#include <linux/percpu.h>
+#include <linux/smp.h>
 
 #include <linux/dqblk_xfs.h>
 #include <linux/dqblk_v1.h>
@@ -238,19 +240,43 @@ static inline int info_dirty(struct mem_dqinfo *info)
 	return test_bit(DQF_INFO_DIRTY_B, &info->dqi_flags);
 }
 
-struct dqstats {
-	int lookups;
-	int drops;
-	int reads;
-	int writes;
-	int cache_hits;
-	int allocated_dquots;
-	int free_dquots;
-	int syncs;
+enum {
+	DQST_LOOKUPS,
+	DQST_DROPS,
+	DQST_READS,
+	DQST_WRITES,
+	DQST_CACHE_HITS,
+	DQST_ALLOC_DQUOTS,
+	DQST_FREE_DQUOTS,
+	DQST_SYNCS,
+	_DQST_DQSTAT_LAST
 };
 
+struct dqstats {
+	int stat[_DQST_DQSTAT_LAST];
+};
+
+extern struct dqstats *dqstats_pcpu;
 extern struct dqstats dqstats;
 
+static inline void dqstats_inc(unsigned int type)
+{
+#ifdef CONFIG_SMP
+	per_cpu_ptr(dqstats_pcpu, smp_processor_id())->stat[type]++;
+#else
+	dqstats.stat[type]++;
+#endif
+}
+
+static inline void dqstats_dec(unsigned int type)
+{
+#ifdef CONFIG_SMP
+	per_cpu_ptr(dqstats_pcpu, smp_processor_id())->stat[type]--;
+#else
+	dqstats.stat[type]--;
+#endif
+}
+
 #define DQ_MOD_B	0	/* dquot modified since read */
 #define DQ_BLKS_B	1	/* uid/gid has been warned about blk limit */
 #define DQ_INODES_B	2	/* uid/gid has been warned about inode limit */

From 0636c73ee7b129f77f577aaaefc8dde057be6d18 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Fri, 30 Apr 2010 11:09:34 -0500
Subject: [PATCH 2588/3638] ext3: make barrier options consistent with ext4

ext4 was updated to accept barrier/nobarrier mount options
in addition to the older barrier=0/1.  The barrier story
is complex enough, we should help people by making the options
the same at least, even if the defaults are different.

This patch allows the barrier/nobarrier mount options for ext3,
while keeping nobarrier the default.

It also unconditionally displays barrier status in show_options,
and prints a message at mount time if barriers are not enabled,
just as ext4 does.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 Documentation/filesystems/ext3.txt | 15 ++++++++++++--
 fs/ext3/super.c                    | 33 +++++++++++++++++++++++-------
 2 files changed, 39 insertions(+), 9 deletions(-)

diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt
index 867c5b50cb4..272f80d5f96 100644
--- a/Documentation/filesystems/ext3.txt
+++ b/Documentation/filesystems/ext3.txt
@@ -59,8 +59,19 @@ commit=nrsec	(*)	Ext3 can be told to sync all its data and metadata
 			Setting it to very large values will improve
 			performance.
 
-barrier=1		This enables/disables barriers.  barrier=0 disables
-			it, barrier=1 enables it.
+barrier=<0(*)|1>	This enables/disables the use of write barriers in
+barrier			the jbd code.  barrier=0 disables, barrier=1 enables.
+nobarrier	(*)	This also requires an IO stack which can support
+			barriers, and if jbd gets an error on a barrier
+			write, it will disable again with a warning.
+			Write barriers enforce proper on-disk ordering
+			of journal commits, making volatile disk write caches
+			safe to use, at some performance penalty.  If
+			your disks are battery-backed in one way or another,
+			disabling barriers may safely improve performance.
+			The mount options "barrier" and "nobarrier" can
+			also be used to enable or disable barriers, for
+			consistency with other ext3 mount options.
 
 orlov		(*)	This enables the new Orlov block allocator. It is
 			enabled by default.
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 6b6e49de091..0fc1293d0e9 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -653,8 +653,12 @@ static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
 		seq_printf(seq, ",commit=%u",
 			   (unsigned) (sbi->s_commit_interval / HZ));
 	}
-	if (test_opt(sb, BARRIER))
-		seq_puts(seq, ",barrier=1");
+
+	/*
+	 * Always display barrier state so it's clear what the status is.
+	 */
+	seq_puts(seq, ",barrier=");
+	seq_puts(seq, test_opt(sb, BARRIER) ? "1" : "0");
 	if (test_opt(sb, NOBH))
 		seq_puts(seq, ",nobh");
 
@@ -810,8 +814,8 @@ enum {
 	Opt_data_err_abort, Opt_data_err_ignore,
 	Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
 	Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
-	Opt_noquota, Opt_ignore, Opt_barrier, Opt_err, Opt_resize,
-	Opt_usrquota, Opt_grpquota
+	Opt_noquota, Opt_ignore, Opt_barrier, Opt_nobarrier, Opt_err,
+	Opt_resize, Opt_usrquota, Opt_grpquota
 };
 
 static const match_table_t tokens = {
@@ -865,6 +869,8 @@ static const match_table_t tokens = {
 	{Opt_quota, "quota"},
 	{Opt_usrquota, "usrquota"},
 	{Opt_barrier, "barrier=%u"},
+	{Opt_barrier, "barrier"},
+	{Opt_nobarrier, "nobarrier"},
 	{Opt_resize, "resize"},
 	{Opt_err, NULL},
 };
@@ -967,7 +973,11 @@ static int parse_options (char *options, struct super_block *sb,
 		int token;
 		if (!*p)
 			continue;
-
+		/*
+		 * Initialize args struct so we know whether arg was
+		 * found; some options take optional arguments.
+		 */
+		args[0].to = args[0].from = 0;
 		token = match_token(p, tokens, args);
 		switch (token) {
 		case Opt_bsd_df:
@@ -1215,9 +1225,15 @@ set_qf_format:
 		case Opt_abort:
 			set_opt(sbi->s_mount_opt, ABORT);
 			break;
+		case Opt_nobarrier:
+			clear_opt(sbi->s_mount_opt, BARRIER);
+			break;
 		case Opt_barrier:
-			if (match_int(&args[0], &option))
-				return 0;
+			if (args[0].from) {
+				if (match_int(&args[0], &option))
+					return 0;
+			} else
+				option = 1;	/* No argument, default to 1 */
 			if (option)
 				set_opt(sbi->s_mount_opt, BARRIER);
 			else
@@ -2276,6 +2292,9 @@ static int ext3_load_journal(struct super_block *sb,
 			return -EINVAL;
 	}
 
+	if (!(journal->j_flags & JFS_BARRIER))
+		printk(KERN_INFO "EXT3-fs: barriers not enabled\n");
+
 	if (!really_read_only && test_opt(sb, UPDATE_JOURNAL)) {
 		err = journal_update_format(journal);
 		if (err)  {

From b9b2dd36c1bc64430f8e13990ab135cbecc10076 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Thu, 6 May 2010 17:04:58 -0400
Subject: [PATCH 2589/3638] quota: unify ->get_dqblk

Pass the larger struct fs_disk_quota to the ->get_dqblk operation so
that the Q_GETQUOTA and Q_XGETQUOTA operations can be implemented
with a single filesystem operation and we can retire the ->get_xquota
operation.  The additional information (RT-subvolume accounting and
warn counts) are left zero for the VFS quota implementation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/gfs2/quota.c                 |  6 +++---
 fs/quota/dquot.c                | 27 ++++++++++++++++-----------
 fs/quota/quota.c                | 23 ++++++++++++++++++-----
 fs/xfs/linux-2.6/xfs_quotaops.c |  4 ++--
 include/linux/quota.h           |  3 +--
 include/linux/quotaops.h        |  3 ++-
 6 files changed, 42 insertions(+), 24 deletions(-)

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index d5f4661287f..dec93577a78 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1476,8 +1476,8 @@ static int gfs2_quota_get_xstate(struct super_block *sb,
 	return 0;
 }
 
-static int gfs2_xquota_get(struct super_block *sb, int type, qid_t id,
-			   struct fs_disk_quota *fdq)
+static int gfs2_get_dqblk(struct super_block *sb, int type, qid_t id,
+			  struct fs_disk_quota *fdq)
 {
 	struct gfs2_sbd *sdp = sb->s_fs_info;
 	struct gfs2_quota_lvb *qlvb;
@@ -1629,7 +1629,7 @@ out_put:
 const struct quotactl_ops gfs2_quotactl_ops = {
 	.quota_sync     = gfs2_quota_sync,
 	.get_xstate     = gfs2_quota_get_xstate,
-	.get_xquota	= gfs2_xquota_get,
+	.get_dqblk	= gfs2_get_dqblk,
 	.set_xquota	= gfs2_xquota_set,
 };
 
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 01347e81d0c..6aed77fc99c 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2301,25 +2301,30 @@ static inline qsize_t stoqb(qsize_t space)
 }
 
 /* Generic routine for getting common part of quota structure */
-static void do_get_dqblk(struct dquot *dquot, struct if_dqblk *di)
+static void do_get_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
 {
 	struct mem_dqblk *dm = &dquot->dq_dqb;
 
+	memset(di, 0, sizeof(*di));
+	di->d_version = FS_DQUOT_VERSION;
+	di->d_flags = dquot->dq_type == USRQUOTA ?
+			XFS_USER_QUOTA : XFS_GROUP_QUOTA;
+	di->d_id = dquot->dq_id;
+
 	spin_lock(&dq_data_lock);
-	di->dqb_bhardlimit = stoqb(dm->dqb_bhardlimit);
-	di->dqb_bsoftlimit = stoqb(dm->dqb_bsoftlimit);
-	di->dqb_curspace = dm->dqb_curspace + dm->dqb_rsvspace;
-	di->dqb_ihardlimit = dm->dqb_ihardlimit;
-	di->dqb_isoftlimit = dm->dqb_isoftlimit;
-	di->dqb_curinodes = dm->dqb_curinodes;
-	di->dqb_btime = dm->dqb_btime;
-	di->dqb_itime = dm->dqb_itime;
-	di->dqb_valid = QIF_ALL;
+	di->d_blk_hardlimit = stoqb(dm->dqb_bhardlimit);
+	di->d_blk_softlimit = stoqb(dm->dqb_bsoftlimit);
+	di->d_ino_hardlimit = dm->dqb_ihardlimit;
+	di->d_ino_softlimit = dm->dqb_isoftlimit;
+	di->d_bcount = dm->dqb_curspace + dm->dqb_rsvspace;
+	di->d_icount = dm->dqb_curinodes;
+	di->d_btimer = dm->dqb_btime;
+	di->d_itimer = dm->dqb_itime;
 	spin_unlock(&dq_data_lock);
 }
 
 int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
-		  struct if_dqblk *di)
+		  struct fs_disk_quota *di)
 {
 	struct dquot *dquot;
 
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 95388f9b735..8680e257c2b 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -136,19 +136,32 @@ static int quota_setinfo(struct super_block *sb, int type, void __user *addr)
 	return sb->s_qcop->set_info(sb, type, &info);
 }
 
+static void copy_to_if_dqblk(struct if_dqblk *dst, struct fs_disk_quota *src)
+{
+	dst->dqb_bhardlimit = src->d_blk_hardlimit;
+	dst->dqb_bsoftlimit = src->d_blk_softlimit;
+	dst->dqb_curspace = src->d_bcount;
+	dst->dqb_ihardlimit = src->d_ino_hardlimit;
+	dst->dqb_isoftlimit = src->d_ino_softlimit;
+	dst->dqb_curinodes = src->d_icount;
+	dst->dqb_btime = src->d_btimer;
+	dst->dqb_itime = src->d_itimer;
+	dst->dqb_valid = QIF_ALL;
+}
+
 static int quota_getquota(struct super_block *sb, int type, qid_t id,
 			  void __user *addr)
 {
+	struct fs_disk_quota fdq;
 	struct if_dqblk idq;
 	int ret;
 
-	if (!sb_has_quota_active(sb, type))
-		return -ESRCH;
 	if (!sb->s_qcop->get_dqblk)
 		return -ENOSYS;
-	ret = sb->s_qcop->get_dqblk(sb, type, id, &idq);
+	ret = sb->s_qcop->get_dqblk(sb, type, id, &fdq);
 	if (ret)
 		return ret;
+	copy_to_if_dqblk(&idq, &fdq);
 	if (copy_to_user(addr, &idq, sizeof(idq)))
 		return -EFAULT;
 	return 0;
@@ -210,9 +223,9 @@ static int quota_getxquota(struct super_block *sb, int type, qid_t id,
 	struct fs_disk_quota fdq;
 	int ret;
 
-	if (!sb->s_qcop->get_xquota)
+	if (!sb->s_qcop->get_dqblk)
 		return -ENOSYS;
-	ret = sb->s_qcop->get_xquota(sb, type, id, &fdq);
+	ret = sb->s_qcop->get_dqblk(sb, type, id, &fdq);
 	if (!ret && copy_to_user(addr, &fdq, sizeof(fdq)))
 		return -EFAULT;
 	return ret;
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
index 1947514ce1a..3d473f43c9a 100644
--- a/fs/xfs/linux-2.6/xfs_quotaops.c
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -97,7 +97,7 @@ xfs_fs_set_xstate(
 }
 
 STATIC int
-xfs_fs_get_xquota(
+xfs_fs_get_dqblk(
 	struct super_block	*sb,
 	int			type,
 	qid_t			id,
@@ -135,6 +135,6 @@ xfs_fs_set_xquota(
 const struct quotactl_ops xfs_quotactl_operations = {
 	.get_xstate		= xfs_fs_get_xstate,
 	.set_xstate		= xfs_fs_set_xstate,
-	.get_xquota		= xfs_fs_get_xquota,
+	.get_dqblk		= xfs_fs_get_dqblk,
 	.set_xquota		= xfs_fs_set_xquota,
 };
diff --git a/include/linux/quota.h b/include/linux/quota.h
index cdfde10481b..42364219dc9 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -337,11 +337,10 @@ struct quotactl_ops {
 	int (*quota_sync)(struct super_block *, int, int);
 	int (*get_info)(struct super_block *, int, struct if_dqinfo *);
 	int (*set_info)(struct super_block *, int, struct if_dqinfo *);
-	int (*get_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
+	int (*get_dqblk)(struct super_block *, int, qid_t, struct fs_disk_quota *);
 	int (*set_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
 	int (*get_xstate)(struct super_block *, struct fs_quota_stat *);
 	int (*set_xstate)(struct super_block *, unsigned int, int);
-	int (*get_xquota)(struct super_block *, int, qid_t, struct fs_disk_quota *);
 	int (*set_xquota)(struct super_block *, int, qid_t, struct fs_disk_quota *);
 };
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index e6fa7acce29..d32a48631b0 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -63,7 +63,8 @@ int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags);
 int vfs_quota_sync(struct super_block *sb, int type, int wait);
 int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
-int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
+int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
+		struct fs_disk_quota *di);
 int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
 
 int dquot_transfer(struct inode *inode, struct iattr *iattr);

From c472b43275976512e4c1c32da5ced03f339cb380 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Thu, 6 May 2010 17:05:17 -0400
Subject: [PATCH 2590/3638] quota: unify ->set_dqblk

Pass the larger struct fs_disk_quota to the ->set_dqblk operation so
that the Q_SETQUOTA and Q_XSETQUOTA operations can be implemented
with a single filesystem operation and we can retire the ->set_xquota
operation.  The additional information (RT-subvolume accounting and
warn counts) are left zero for the VFS quota implementation.

Add new fieldmask values for setting the numer of blocks and inodes
values which is required for the VFS quota, but wasn't for XFS.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/gfs2/quota.c                 |  6 +--
 fs/quota/dquot.c                | 67 +++++++++++++++++++++------------
 fs/quota/quota.c                | 36 +++++++++++++++---
 fs/xfs/linux-2.6/xfs_quotaops.c |  4 +-
 fs/xfs/quota/xfs_qm_syscalls.c  | 10 +++--
 include/linux/dqblk_xfs.h       |  9 +++++
 include/linux/quota.h           |  3 +-
 include/linux/quotaops.h        |  3 +-
 8 files changed, 98 insertions(+), 40 deletions(-)

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index dec93577a78..49667d68769 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1521,8 +1521,8 @@ out:
 /* GFS2 only supports a subset of the XFS fields */
 #define GFS2_FIELDMASK (FS_DQ_BSOFT|FS_DQ_BHARD)
 
-static int gfs2_xquota_set(struct super_block *sb, int type, qid_t id,
-			   struct fs_disk_quota *fdq)
+static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
+			  struct fs_disk_quota *fdq)
 {
 	struct gfs2_sbd *sdp = sb->s_fs_info;
 	struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);
@@ -1630,6 +1630,6 @@ const struct quotactl_ops gfs2_quotactl_ops = {
 	.quota_sync     = gfs2_quota_sync,
 	.get_xstate     = gfs2_quota_get_xstate,
 	.get_dqblk	= gfs2_get_dqblk,
-	.set_xquota	= gfs2_xquota_set,
+	.set_dqblk	= gfs2_set_dqblk,
 };
 
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 6aed77fc99c..b1a5036560a 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2338,51 +2338,70 @@ int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
 }
 EXPORT_SYMBOL(vfs_get_dqblk);
 
+#define VFS_FS_DQ_MASK \
+	(FS_DQ_BCOUNT | FS_DQ_BSOFT | FS_DQ_BHARD | \
+	 FS_DQ_ICOUNT | FS_DQ_ISOFT | FS_DQ_IHARD | \
+	 FS_DQ_BTIMER | FS_DQ_ITIMER)
+
 /* Generic routine for setting common part of quota structure */
-static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
+static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
 {
 	struct mem_dqblk *dm = &dquot->dq_dqb;
 	int check_blim = 0, check_ilim = 0;
 	struct mem_dqinfo *dqi = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_type];
 
-	if ((di->dqb_valid & QIF_BLIMITS &&
-	     (di->dqb_bhardlimit > dqi->dqi_maxblimit ||
-	      di->dqb_bsoftlimit > dqi->dqi_maxblimit)) ||
-	    (di->dqb_valid & QIF_ILIMITS &&
-	     (di->dqb_ihardlimit > dqi->dqi_maxilimit ||
-	      di->dqb_isoftlimit > dqi->dqi_maxilimit)))
+	if (di->d_fieldmask & ~VFS_FS_DQ_MASK)
+		return -EINVAL;
+
+	if (((di->d_fieldmask & FS_DQ_BSOFT) &&
+	     (di->d_blk_softlimit > dqi->dqi_maxblimit)) ||
+	    ((di->d_fieldmask & FS_DQ_BHARD) &&
+	     (di->d_blk_hardlimit > dqi->dqi_maxblimit)) ||
+	    ((di->d_fieldmask & FS_DQ_ISOFT) &&
+	     (di->d_ino_softlimit > dqi->dqi_maxilimit)) ||
+	    ((di->d_fieldmask & FS_DQ_IHARD) &&
+	     (di->d_ino_hardlimit > dqi->dqi_maxilimit)))
 		return -ERANGE;
 
 	spin_lock(&dq_data_lock);
-	if (di->dqb_valid & QIF_SPACE) {
-		dm->dqb_curspace = di->dqb_curspace - dm->dqb_rsvspace;
+	if (di->d_fieldmask & FS_DQ_BCOUNT) {
+		dm->dqb_curspace = di->d_bcount - dm->dqb_rsvspace;
 		check_blim = 1;
 		set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
 	}
-	if (di->dqb_valid & QIF_BLIMITS) {
-		dm->dqb_bsoftlimit = qbtos(di->dqb_bsoftlimit);
-		dm->dqb_bhardlimit = qbtos(di->dqb_bhardlimit);
+
+	if (di->d_fieldmask & FS_DQ_BSOFT)
+		dm->dqb_bsoftlimit = qbtos(di->d_blk_softlimit);
+	if (di->d_fieldmask & FS_DQ_BHARD)
+		dm->dqb_bhardlimit = qbtos(di->d_blk_hardlimit);
+	if (di->d_fieldmask & (FS_DQ_BSOFT | FS_DQ_BHARD)) {
 		check_blim = 1;
 		set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags);
 	}
-	if (di->dqb_valid & QIF_INODES) {
-		dm->dqb_curinodes = di->dqb_curinodes;
+
+	if (di->d_fieldmask & FS_DQ_ICOUNT) {
+		dm->dqb_curinodes = di->d_icount;
 		check_ilim = 1;
 		set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags);
 	}
-	if (di->dqb_valid & QIF_ILIMITS) {
-		dm->dqb_isoftlimit = di->dqb_isoftlimit;
-		dm->dqb_ihardlimit = di->dqb_ihardlimit;
+
+	if (di->d_fieldmask & FS_DQ_ISOFT)
+		dm->dqb_isoftlimit = di->d_ino_softlimit;
+	if (di->d_fieldmask & FS_DQ_IHARD)
+		dm->dqb_ihardlimit = di->d_ino_hardlimit;
+	if (di->d_fieldmask & (FS_DQ_ISOFT | FS_DQ_IHARD)) {
 		check_ilim = 1;
 		set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags);
 	}
-	if (di->dqb_valid & QIF_BTIME) {
-		dm->dqb_btime = di->dqb_btime;
+
+	if (di->d_fieldmask & FS_DQ_BTIMER) {
+		dm->dqb_btime = di->d_btimer;
 		check_blim = 1;
 		set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags);
 	}
-	if (di->dqb_valid & QIF_ITIME) {
-		dm->dqb_itime = di->dqb_itime;
+
+	if (di->d_fieldmask & FS_DQ_ITIMER) {
+		dm->dqb_itime = di->d_itimer;
 		check_ilim = 1;
 		set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags);
 	}
@@ -2392,7 +2411,7 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
 		    dm->dqb_curspace < dm->dqb_bsoftlimit) {
 			dm->dqb_btime = 0;
 			clear_bit(DQ_BLKS_B, &dquot->dq_flags);
-		} else if (!(di->dqb_valid & QIF_BTIME))
+		} else if (!(di->d_fieldmask & FS_DQ_BTIMER))
 			/* Set grace only if user hasn't provided his own... */
 			dm->dqb_btime = get_seconds() + dqi->dqi_bgrace;
 	}
@@ -2401,7 +2420,7 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
 		    dm->dqb_curinodes < dm->dqb_isoftlimit) {
 			dm->dqb_itime = 0;
 			clear_bit(DQ_INODES_B, &dquot->dq_flags);
-		} else if (!(di->dqb_valid & QIF_ITIME))
+		} else if (!(di->d_fieldmask & FS_DQ_ITIMER))
 			/* Set grace only if user hasn't provided his own... */
 			dm->dqb_itime = get_seconds() + dqi->dqi_igrace;
 	}
@@ -2417,7 +2436,7 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
 }
 
 int vfs_set_dqblk(struct super_block *sb, int type, qid_t id,
-		  struct if_dqblk *di)
+		  struct fs_disk_quota *di)
 {
 	struct dquot *dquot;
 	int rc;
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 8680e257c2b..d6ee49dda4f 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -167,18 +167,44 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id,
 	return 0;
 }
 
+static void copy_from_if_dqblk(struct fs_disk_quota *dst, struct if_dqblk *src)
+{
+	dst->d_blk_hardlimit = src->dqb_bhardlimit;
+	dst->d_blk_softlimit  = src->dqb_bsoftlimit;
+	dst->d_bcount = src->dqb_curspace;
+	dst->d_ino_hardlimit = src->dqb_ihardlimit;
+	dst->d_ino_softlimit = src->dqb_isoftlimit;
+	dst->d_icount = src->dqb_curinodes;
+	dst->d_btimer = src->dqb_btime;
+	dst->d_itimer = src->dqb_itime;
+
+	dst->d_fieldmask = 0;
+	if (src->dqb_valid & QIF_BLIMITS)
+		dst->d_fieldmask |= FS_DQ_BSOFT | FS_DQ_BHARD;
+	if (src->dqb_valid & QIF_SPACE)
+		dst->d_fieldmask |= FS_DQ_BCOUNT;
+	if (src->dqb_valid & QIF_ILIMITS)
+		dst->d_fieldmask |= FS_DQ_ISOFT | FS_DQ_IHARD;
+	if (src->dqb_valid & QIF_INODES)
+		dst->d_fieldmask |= FS_DQ_ICOUNT;
+	if (src->dqb_valid & QIF_BTIME)
+		dst->d_fieldmask |= FS_DQ_BTIMER;
+	if (src->dqb_valid & QIF_ITIME)
+		dst->d_fieldmask |= FS_DQ_ITIMER;
+}
+
 static int quota_setquota(struct super_block *sb, int type, qid_t id,
 			  void __user *addr)
 {
+	struct fs_disk_quota fdq;
 	struct if_dqblk idq;
 
 	if (copy_from_user(&idq, addr, sizeof(idq)))
 		return -EFAULT;
-	if (!sb_has_quota_active(sb, type))
-		return -ESRCH;
 	if (!sb->s_qcop->set_dqblk)
 		return -ENOSYS;
-	return sb->s_qcop->set_dqblk(sb, type, id, &idq);
+	copy_from_if_dqblk(&fdq, &idq);
+	return sb->s_qcop->set_dqblk(sb, type, id, &fdq);
 }
 
 static int quota_setxstate(struct super_block *sb, int cmd, void __user *addr)
@@ -212,9 +238,9 @@ static int quota_setxquota(struct super_block *sb, int type, qid_t id,
 
 	if (copy_from_user(&fdq, addr, sizeof(fdq)))
 		return -EFAULT;
-	if (!sb->s_qcop->set_xquota)
+	if (!sb->s_qcop->set_dqblk)
 		return -ENOSYS;
-	return sb->s_qcop->set_xquota(sb, type, id, &fdq);
+	return sb->s_qcop->set_dqblk(sb, type, id, &fdq);
 }
 
 static int quota_getxquota(struct super_block *sb, int type, qid_t id,
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
index 3d473f43c9a..e31bf21fe5d 100644
--- a/fs/xfs/linux-2.6/xfs_quotaops.c
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -114,7 +114,7 @@ xfs_fs_get_dqblk(
 }
 
 STATIC int
-xfs_fs_set_xquota(
+xfs_fs_set_dqblk(
 	struct super_block	*sb,
 	int			type,
 	qid_t			id,
@@ -136,5 +136,5 @@ const struct quotactl_ops xfs_quotactl_operations = {
 	.get_xstate		= xfs_fs_get_xstate,
 	.set_xstate		= xfs_fs_set_xstate,
 	.get_dqblk		= xfs_fs_get_dqblk,
-	.set_xquota		= xfs_fs_set_xquota,
+	.set_dqblk		= xfs_fs_set_dqblk,
 };
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 26fa43140f2..92b002f1805 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -448,6 +448,9 @@ xfs_qm_scall_getqstat(
 	return 0;
 }
 
+#define XFS_DQ_MASK \
+	(FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK)
+
 /*
  * Adjust quota limits, and start/stop timers accordingly.
  */
@@ -465,9 +468,10 @@ xfs_qm_scall_setqlim(
 	int			error;
 	xfs_qcnt_t		hard, soft;
 
-	if ((newlim->d_fieldmask &
-	    (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0)
-		return (0);
+	if (newlim->d_fieldmask & ~XFS_DQ_MASK)
+		return EINVAL;
+	if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0)
+		return 0;
 
 	tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
 	if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128,
diff --git a/include/linux/dqblk_xfs.h b/include/linux/dqblk_xfs.h
index 527504c11c5..4389ae72024 100644
--- a/include/linux/dqblk_xfs.h
+++ b/include/linux/dqblk_xfs.h
@@ -109,6 +109,15 @@ typedef struct fs_disk_quota {
 #define FS_DQ_RTBWARNS	(1<<11)
 #define FS_DQ_WARNS_MASK	(FS_DQ_BWARNS | FS_DQ_IWARNS | FS_DQ_RTBWARNS)
 
+/*
+ * Accounting values.  These can only be set for filesystem with
+ * non-transactional quotas that require quotacheck(8) in userspace.
+ */
+#define FS_DQ_BCOUNT		(1<<12)
+#define FS_DQ_ICOUNT		(1<<13)
+#define FS_DQ_RTBCOUNT		(1<<14)
+#define FS_DQ_ACCT_MASK		(FS_DQ_BCOUNT | FS_DQ_ICOUNT | FS_DQ_RTBCOUNT)
+
 /*
  * Various flags related to quotactl(2).  Only relevant to XFS filesystems.
  */
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 42364219dc9..7126a15467f 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -338,10 +338,9 @@ struct quotactl_ops {
 	int (*get_info)(struct super_block *, int, struct if_dqinfo *);
 	int (*set_info)(struct super_block *, int, struct if_dqinfo *);
 	int (*get_dqblk)(struct super_block *, int, qid_t, struct fs_disk_quota *);
-	int (*set_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
+	int (*set_dqblk)(struct super_block *, int, qid_t, struct fs_disk_quota *);
 	int (*get_xstate)(struct super_block *, struct fs_quota_stat *);
 	int (*set_xstate)(struct super_block *, unsigned int, int);
-	int (*set_xquota)(struct super_block *, int, qid_t, struct fs_disk_quota *);
 };
 
 struct quota_format_type {
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index d32a48631b0..82c70c42d03 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -65,7 +65,8 @@ int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
 		struct fs_disk_quota *di);
-int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
+int vfs_set_dqblk(struct super_block *sb, int type, qid_t id,
+		struct fs_disk_quota *di);
 
 int dquot_transfer(struct inode *inode, struct iattr *iattr);
 int vfs_dq_quota_on_remount(struct super_block *sb);

From fcbc59f96e38a0999e827be9d04d46b62b53b20a Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Fri, 7 May 2010 12:35:40 -0400
Subject: [PATCH 2591/3638] quota: remove sb_has_quota_active in get/set_info

The methods already do these checks, so remove them in the quotactl
implementation to allow non-VFS quota implementations to also support
these calls.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/quota.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index d6ee49dda4f..cfc78826da9 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -113,8 +113,6 @@ static int quota_getinfo(struct super_block *sb, int type, void __user *addr)
 	struct if_dqinfo info;
 	int ret;
 
-	if (!sb_has_quota_active(sb, type))
-		return -ESRCH;
 	if (!sb->s_qcop->get_info)
 		return -ENOSYS;
 	ret = sb->s_qcop->get_info(sb, type, &info);
@@ -129,8 +127,6 @@ static int quota_setinfo(struct super_block *sb, int type, void __user *addr)
 
 	if (copy_from_user(&info, addr, sizeof(info)))
 		return -EFAULT;
-	if (!sb_has_quota_active(sb, type))
-		return -ESRCH;
 	if (!sb->s_qcop->set_info)
 		return -ENOSYS;
 	return sb->s_qcop->set_info(sb, type, &info);

From 12755627bdcddcdb30a1bfb9a09395a52b1d6838 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 8 Apr 2010 22:04:20 +0400
Subject: [PATCH 2592/3638] quota: unify quota init condition in setattr

Quota must being initialized if size or uid/git changes requested.
But initialization performed in two different places:
in case of i_size file system is responsible for dquot init
, but in case of uid/gid init will be called internally in
dquot_transfer().
This ambiguity makes code harder to understand.
Let's move this logic to one common helper function.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/inode.c          | 2 +-
 fs/ext3/inode.c          | 2 +-
 fs/ext4/inode.c          | 2 +-
 fs/jfs/file.c            | 2 +-
 fs/ocfs2/file.c          | 4 ++--
 fs/quota/dquot.c         | 5 ++---
 fs/reiserfs/inode.c      | 3 ++-
 fs/udf/file.c            | 2 +-
 fs/ufs/truncate.c        | 8 ++++----
 include/linux/quotaops.h | 8 ++++++++
 10 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index b90c3bf6e9b..527c46d9bc1 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1466,7 +1466,7 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
 	if (error)
 		return error;
 
-	if (iattr->ia_valid & ATTR_SIZE)
+	if (is_quota_modification(inode, iattr))
 		dquot_initialize(inode);
 	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
 	    (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index ea33bdf0a30..735f0190ec2 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -3151,7 +3151,7 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
 	if (error)
 		return error;
 
-	if (ia_valid & ATTR_SIZE)
+	if (is_quota_modification(inode, attr))
 		dquot_initialize(inode);
 	if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
 		(ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 81d60541284..3e0f6af9d08 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5425,7 +5425,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 	if (error)
 		return error;
 
-	if (ia_valid & ATTR_SIZE)
+	if (is_quota_modification(inode, attr))
 		dquot_initialize(inode);
 	if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
 		(ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 14ba982b3f2..85d9ec65922 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -98,7 +98,7 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	if (rc)
 		return rc;
 
-	if (iattr->ia_valid & ATTR_SIZE)
+	if (is_quota_modification(inode, iattr))
 		dquot_initialize(inode);
 	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
 	    (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index f74f1400ecc..e127c53ec2e 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -966,10 +966,10 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 	if (status)
 		return status;
 
+	if (is_quota_modification(inode, attr))
+		dquot_initialize(inode);
 	size_change = S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_SIZE;
 	if (size_change) {
-		dquot_initialize(inode);
-
 		status = ocfs2_rw_lock(inode, 1);
 		if (status < 0) {
 			mlog_errno(status);
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index b1a5036560a..1056a21f030 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1822,10 +1822,9 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr)
 		mask |= 1 << GRPQUOTA;
 		chid[GRPQUOTA] = iattr->ia_gid;
 	}
-	if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) {
-		dquot_initialize(inode);
+	if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode))
 		return __dquot_transfer(inode, chid, mask);
-	}
+
 	return 0;
 }
 EXPORT_SYMBOL(dquot_transfer);
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index dc2c65e0485..0f22fdaf54a 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -3076,9 +3076,10 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
 	ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID);
 
 	depth = reiserfs_write_lock_once(inode->i_sb);
-	if (attr->ia_valid & ATTR_SIZE) {
+	if (is_quota_modification(inode, attr))
 		dquot_initialize(inode);
 
+	if (attr->ia_valid & ATTR_SIZE) {
 		/* version 2 items will be caught by the s_maxbytes check
 		 ** done for us in vmtruncate
 		 */
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 4b6a46ccbf4..6ebc043f3a2 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -227,7 +227,7 @@ int udf_setattr(struct dentry *dentry, struct iattr *iattr)
 	if (error)
 		return error;
 
-	if (iattr->ia_valid & ATTR_SIZE)
+	if (is_quota_modification(inode, iattr))
 		dquot_initialize(inode);
 
 	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index ee8db3e77bf..f294c44577d 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -518,18 +518,18 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr)
 	if (error)
 		return error;
 
+	if (is_quota_modification(inode, attr))
+		dquot_initialize(inode);
+
 	if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
 	    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
 		error = dquot_transfer(inode, attr);
 		if (error)
 			return error;
 	}
-	if (ia_valid & ATTR_SIZE &&
-	    attr->ia_size != i_size_read(inode)) {
+	if (ia_valid & ATTR_SIZE && attr->ia_size != inode->i_size) {
 		loff_t old_i_size = inode->i_size;
 
-		dquot_initialize(inode);
-
 		error = vmtruncate(inode, attr->ia_size);
 		if (error)
 			return error;
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 82c70c42d03..8a7818764a6 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -14,6 +14,14 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb)
 	return &sb->s_dquot;
 }
 
+/* i_mutex must being held */
+static inline bool is_quota_modification(struct inode *inode, struct iattr *ia)
+{
+	return (ia->ia_valid & ATTR_SIZE && ia->ia_size != inode->i_size) ||
+		(ia->ia_valid & ATTR_UID && ia->ia_uid != inode->i_uid) ||
+		(ia->ia_valid & ATTR_GID && ia->ia_gid != inode->i_gid);
+}
+
 #if defined(CONFIG_QUOTA)
 
 /*

From bc8e5f07392f05c47c8bdeff4f7098db440d065c Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 13 May 2010 19:58:50 +0200
Subject: [PATCH 2593/3638] quota: Refactor dquot_transfer code so that OCFS2
 can pass in its references

Currently, __dquot_transfer() acquires its own references of dquot structures
that will be put into inode. But for OCFS2, this creates a lock inversion
between dq_lock (waited on in dqget) and transaction start (started in
ocfs2_setattr). Currently, deadlock is impossible because dq_lock is acquired
only during dquot_acquire and dquot_release and we already hold a reference to
dquot structures in ocfs2_setattr so neither of these functions can be called
while we call dquot_transfer. But this is rather subtle and it is hard to teach
lockdep about it. So provide __dquot_transfer function that can be passed dquot
references directly. OCFS2 can then pass acquired dquot references directly to
__dquot_transfer with proper locking.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/dquot.c         | 61 +++++++++++++++++-----------------------
 include/linux/quotaops.h |  1 +
 2 files changed, 27 insertions(+), 35 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 1056a21f030..655a4c52b8c 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1703,16 +1703,19 @@ EXPORT_SYMBOL(dquot_free_inode);
 
 /*
  * Transfer the number of inode and blocks from one diskquota to an other.
+ * On success, dquot references in transfer_to are consumed and references
+ * to original dquots that need to be released are placed there. On failure,
+ * references are kept untouched.
  *
  * This operation can block, but only after everything is updated
  * A transaction must be started when entering this function.
+ *
  */
-static int __dquot_transfer(struct inode *inode, qid_t *chid, unsigned long mask)
+int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
 {
 	qsize_t space, cur_space;
 	qsize_t rsv_space = 0;
-	struct dquot *transfer_from[MAXQUOTAS];
-	struct dquot *transfer_to[MAXQUOTAS];
+	struct dquot *transfer_from[MAXQUOTAS] = {};
 	int cnt, ret = 0;
 	char warntype_to[MAXQUOTAS];
 	char warntype_from_inodes[MAXQUOTAS], warntype_from_space[MAXQUOTAS];
@@ -1722,19 +1725,12 @@ static int __dquot_transfer(struct inode *inode, qid_t *chid, unsigned long mask
 	if (IS_NOQUOTA(inode))
 		return 0;
 	/* Initialize the arrays */
-	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		transfer_from[cnt] = NULL;
-		transfer_to[cnt] = NULL;
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
 		warntype_to[cnt] = QUOTA_NL_NOWARN;
-	}
-	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		if (mask & (1 << cnt))
-			transfer_to[cnt] = dqget(inode->i_sb, chid[cnt], cnt);
-	}
 	down_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
 	if (IS_NOQUOTA(inode)) {	/* File without quota accounting? */
 		up_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
-		goto put_all;
+		return 0;
 	}
 	spin_lock(&dq_data_lock);
 	cur_space = inode_get_bytes(inode);
@@ -1786,46 +1782,41 @@ static int __dquot_transfer(struct inode *inode, qid_t *chid, unsigned long mask
 
 	mark_all_dquot_dirty(transfer_from);
 	mark_all_dquot_dirty(transfer_to);
-	/* The reference we got is transferred to the inode */
+	/* Pass back references to put */
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
-		transfer_to[cnt] = NULL;
-warn_put_all:
+		transfer_to[cnt] = transfer_from[cnt];
+warn:
 	flush_warnings(transfer_to, warntype_to);
 	flush_warnings(transfer_from, warntype_from_inodes);
 	flush_warnings(transfer_from, warntype_from_space);
-put_all:
-	dqput_all(transfer_from);
-	dqput_all(transfer_to);
 	return ret;
 over_quota:
 	spin_unlock(&dq_data_lock);
 	up_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	/* Clear dquot pointers we don't want to dqput() */
-	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
-		transfer_from[cnt] = NULL;
-	goto warn_put_all;
+	goto warn;
 }
+EXPORT_SYMBOL(__dquot_transfer);
 
 /* Wrapper for transferring ownership of an inode for uid/gid only
  * Called from FSXXX_setattr()
  */
 int dquot_transfer(struct inode *inode, struct iattr *iattr)
 {
-	qid_t chid[MAXQUOTAS];
-	unsigned long mask = 0;
+	struct dquot *transfer_to[MAXQUOTAS] = {};
+	struct super_block *sb = inode->i_sb;
+	int ret;
 
-	if (iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) {
-		mask |= 1 << USRQUOTA;
-		chid[USRQUOTA] = iattr->ia_uid;
-	}
-	if (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) {
-		mask |= 1 << GRPQUOTA;
-		chid[GRPQUOTA] = iattr->ia_gid;
-	}
-	if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode))
-		return __dquot_transfer(inode, chid, mask);
+	if (!sb_any_quota_active(sb) || IS_NOQUOTA(inode))
+		return 0;
 
-	return 0;
+	if (iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid)
+		transfer_to[USRQUOTA] = dqget(sb, iattr->ia_uid, USRQUOTA);
+	if (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)
+		transfer_to[GRPQUOTA] = dqget(sb, iattr->ia_uid, GRPQUOTA);
+
+	ret = __dquot_transfer(inode, transfer_to);
+	dqput_all(transfer_to);
+	return ret;
 }
 EXPORT_SYMBOL(dquot_transfer);
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 8a7818764a6..370abb1e99c 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -76,6 +76,7 @@ int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
 int vfs_set_dqblk(struct super_block *sb, int type, qid_t id,
 		struct fs_disk_quota *di);
 
+int __dquot_transfer(struct inode *inode, struct dquot **transfer_to);
 int dquot_transfer(struct inode *inode, struct iattr *iattr);
 int vfs_dq_quota_on_remount(struct super_block *sb);
 

From f64dd44eb748438783b10b3f7a4968d2656a3c95 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Wed, 28 Apr 2010 00:22:30 +0200
Subject: [PATCH 2594/3638] ocfs2: Do not map blocks from local quota file on
 each write

There is no need to map offset of local dquot structure to on disk block
in each quota write. It is enough to map it just once and store the physical
block number in quota structure in memory. Moreover this simplifies locking
as we do not have to take ip_alloc_sem from quota write path.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ocfs2/quota.h        |  3 +++
 fs/ocfs2/quota_global.c | 14 ++++++++++++++
 fs/ocfs2/quota_local.c  | 28 +++++++++++++++++++---------
 3 files changed, 36 insertions(+), 9 deletions(-)

diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index 123bc520a2c..e22d2935128 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -23,6 +23,7 @@
 struct ocfs2_dquot {
 	struct dquot dq_dquot;	/* Generic VFS dquot */
 	loff_t dq_local_off;	/* Offset in the local quota file */
+	u64 dq_local_phys_blk;	/* Physical block carrying quota structure */
 	struct ocfs2_quota_chunk *dq_chunk;	/* Chunk dquot is in */
 	unsigned int dq_use_count;	/* Number of nodes having reference to this entry in global quota file */
 	s64 dq_origspace;	/* Last globally synced space usage */
@@ -104,6 +105,8 @@ int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
 void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
 int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
 			   struct buffer_head **bh);
+int ocfs2_read_quota_phys_block(struct inode *inode, u64 p_block,
+				struct buffer_head **bh);
 
 extern const struct dquot_operations ocfs2_quota_operations;
 extern struct quota_format_type ocfs2_quota_format;
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 04ae76d8c6a..f461f9678f9 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -25,6 +25,7 @@
 #include "dlmglue.h"
 #include "uptodate.h"
 #include "super.h"
+#include "buffer_head_io.h"
 #include "quota.h"
 
 static struct workqueue_struct *ocfs2_quota_wq = NULL;
@@ -137,6 +138,19 @@ int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
 	return rc;
 }
 
+int ocfs2_read_quota_phys_block(struct inode *inode, u64 p_block,
+				struct buffer_head **bhp)
+{
+	int rc;
+
+	*bhp = NULL;
+	rc = ocfs2_read_blocks(INODE_CACHE(inode), p_block, 1, bhp, 0,
+			       ocfs2_validate_quota_block);
+	if (rc)
+		mlog_errno(rc);
+	return rc;
+}
+
 static int ocfs2_get_quota_block(struct inode *inode, int block,
 				 struct buffer_head **bh)
 {
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 884b641f199..a88f1d1ec2b 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -862,18 +862,17 @@ static int ocfs2_local_write_dquot(struct dquot *dquot)
 {
 	struct super_block *sb = dquot->dq_sb;
 	struct ocfs2_dquot *od = OCFS2_DQUOT(dquot);
-	struct buffer_head *bh = NULL;
+	struct buffer_head *bh;
+	struct inode *lqinode = sb_dqopt(sb)->files[dquot->dq_type];
 	int status;
 
-	status = ocfs2_read_quota_block(sb_dqopt(sb)->files[dquot->dq_type],
-				    ol_dqblk_file_block(sb, od->dq_local_off),
-				    &bh);
+	status = ocfs2_read_quota_phys_block(lqinode, od->dq_local_phys_blk,
+					     &bh);
 	if (status) {
 		mlog_errno(status);
 		goto out;
 	}
-	status = ocfs2_modify_bh(sb_dqopt(sb)->files[dquot->dq_type], bh,
-				 olq_set_dquot, od);
+	status = ocfs2_modify_bh(lqinode, bh, olq_set_dquot, od);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out;
@@ -1197,17 +1196,27 @@ static int ocfs2_create_local_dquot(struct dquot *dquot)
 	struct ocfs2_dquot *od = OCFS2_DQUOT(dquot);
 	int offset;
 	int status;
+	u64 pcount;
 
+	down_write(&OCFS2_I(lqinode)->ip_alloc_sem);
 	chunk = ocfs2_find_free_entry(sb, type, &offset);
 	if (!chunk) {
 		chunk = ocfs2_extend_local_quota_file(sb, type, &offset);
-		if (IS_ERR(chunk))
-			return PTR_ERR(chunk);
+		if (IS_ERR(chunk)) {
+			status = PTR_ERR(chunk);
+			goto out;
+		}
 	} else if (IS_ERR(chunk)) {
-		return PTR_ERR(chunk);
+		status = PTR_ERR(chunk);
+		goto out;
 	}
 	od->dq_local_off = ol_dqblk_off(sb, chunk->qc_num, offset);
 	od->dq_chunk = chunk;
+	status = ocfs2_extent_map_get_blocks(lqinode,
+				     ol_dqblk_block(sb, chunk->qc_num, offset),
+				     &od->dq_local_phys_blk,
+				     &pcount,
+				     NULL);
 
 	/* Initialize dquot structure on disk */
 	status = ocfs2_local_write_dquot(dquot);
@@ -1224,6 +1233,7 @@ static int ocfs2_create_local_dquot(struct dquot *dquot)
 		goto out;
 	}
 out:
+	up_write(&OCFS2_I(lqinode)->ip_alloc_sem);
 	return status;
 }
 

From ae4f6ef13417deaa49471c0e903914a3ef3be258 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Wed, 28 Apr 2010 19:04:29 +0200
Subject: [PATCH 2595/3638] ocfs2: Avoid unnecessary block mapping when
 refreshing quota info

The position of global quota file info does not change. So we do not have
to do logical -> physical block translation every time we reread it from
disk. Thus we can also avoid taking ip_alloc_sem.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ocfs2/dlmglue.c      |  3 ++-
 fs/ocfs2/quota.h        |  3 ++-
 fs/ocfs2/quota_global.c | 15 +++++++++++++++
 fs/ocfs2/quota_local.c  | 10 +++++-----
 4 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 50c4ee805da..39eb16ac5f9 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -3897,7 +3897,8 @@ static int ocfs2_refresh_qinfo(struct ocfs2_mem_dqinfo *oinfo)
 		oinfo->dqi_gi.dqi_free_entry =
 					be32_to_cpu(lvb->lvb_free_entry);
 	} else {
-		status = ocfs2_read_quota_block(oinfo->dqi_gqinode, 0, &bh);
+		status = ocfs2_read_quota_phys_block(oinfo->dqi_gqinode,
+						     oinfo->dqi_giblk, &bh);
 		if (status) {
 			mlog_errno(status);
 			goto bail;
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index e22d2935128..c7623430ca3 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -52,8 +52,9 @@ struct ocfs2_mem_dqinfo {
 	struct ocfs2_lock_res dqi_gqlock;	/* Lock protecting quota information structure */
 	struct buffer_head *dqi_gqi_bh;	/* Buffer head with global quota file inode - set only if inode lock is obtained */
 	int dqi_gqi_count;		/* Number of holders of dqi_gqi_bh */
+	u64 dqi_giblk;			/* Number of block with global information header */
 	struct buffer_head *dqi_lqi_bh;	/* Buffer head with local quota file inode */
-	struct buffer_head *dqi_ibh;	/* Buffer with information header */
+	struct buffer_head *dqi_libh;	/* Buffer with local information header */
 	struct qtree_mem_dqinfo dqi_gi;	/* Info about global file */
 	struct delayed_work dqi_sync_work;	/* Work for syncing dquots */
 	struct ocfs2_quota_recovery *dqi_rec;	/* Pointer to recovery
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index f461f9678f9..f391b11ea98 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -325,6 +325,7 @@ int ocfs2_global_read_info(struct super_block *sb, int type)
 	struct ocfs2_global_disk_dqinfo dinfo;
 	struct mem_dqinfo *info = sb_dqinfo(sb, type);
 	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	u64 pcount;
 	int status;
 
 	mlog_entry_void();
@@ -351,9 +352,19 @@ int ocfs2_global_read_info(struct super_block *sb, int type)
 		mlog_errno(status);
 		goto out_err;
 	}
+
+	status = ocfs2_extent_map_get_blocks(gqinode, 0, &oinfo->dqi_giblk,
+					     &pcount, NULL);
+	if (status < 0)
+		goto out_unlock;
+
+	status = ocfs2_qinfo_lock(oinfo, 0);
+	if (status < 0)
+		goto out_unlock;
 	status = sb->s_op->quota_read(sb, type, (char *)&dinfo,
 				      sizeof(struct ocfs2_global_disk_dqinfo),
 				      OCFS2_GLOBAL_INFO_OFF);
+	ocfs2_qinfo_unlock(oinfo, 0);
 	ocfs2_unlock_global_qf(oinfo, 0);
 	if (status != sizeof(struct ocfs2_global_disk_dqinfo)) {
 		mlog(ML_ERROR, "Cannot read global quota info (%d).\n",
@@ -380,6 +391,10 @@ int ocfs2_global_read_info(struct super_block *sb, int type)
 out_err:
 	mlog_exit(status);
 	return status;
+out_unlock:
+	ocfs2_unlock_global_qf(oinfo, 0);
+	mlog_errno(status);
+	goto out_err;
 }
 
 /* Write information to global quota file. Expects exlusive lock on quota
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index a88f1d1ec2b..962e8380852 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -671,7 +671,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type)
 	INIT_LIST_HEAD(&oinfo->dqi_chunk);
 	oinfo->dqi_rec = NULL;
 	oinfo->dqi_lqi_bh = NULL;
-	oinfo->dqi_ibh = NULL;
+	oinfo->dqi_libh = NULL;
 
 	status = ocfs2_global_read_info(sb, type);
 	if (status < 0)
@@ -697,7 +697,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type)
 	info->dqi_flags = le32_to_cpu(ldinfo->dqi_flags);
 	oinfo->dqi_chunks = le32_to_cpu(ldinfo->dqi_chunks);
 	oinfo->dqi_blocks = le32_to_cpu(ldinfo->dqi_blocks);
-	oinfo->dqi_ibh = bh;
+	oinfo->dqi_libh = bh;
 
 	/* We crashed when using local quota file? */
 	if (!(info->dqi_flags & OLQF_CLEAN)) {
@@ -759,7 +759,7 @@ static int ocfs2_local_write_info(struct super_block *sb, int type)
 {
 	struct mem_dqinfo *info = sb_dqinfo(sb, type);
 	struct buffer_head *bh = ((struct ocfs2_mem_dqinfo *)info->dqi_priv)
-						->dqi_ibh;
+						->dqi_libh;
 	int status;
 
 	status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], bh, olq_update_info,
@@ -820,7 +820,7 @@ static int ocfs2_local_free_info(struct super_block *sb, int type)
 	/* Mark local file as clean */
 	info->dqi_flags |= OLQF_CLEAN;
 	status = ocfs2_modify_bh(sb_dqopt(sb)->files[type],
-				 oinfo->dqi_ibh,
+				 oinfo->dqi_libh,
 				 olq_update_info,
 				 info);
 	if (status < 0) {
@@ -830,7 +830,7 @@ static int ocfs2_local_free_info(struct super_block *sb, int type)
 
 out:
 	ocfs2_inode_unlock(sb_dqopt(sb)->files[type], 1);
-	brelse(oinfo->dqi_ibh);
+	brelse(oinfo->dqi_libh);
 	brelse(oinfo->dqi_lqi_bh);
 	kfree(oinfo);
 	return 0;

From fb8dd8d780140a3f0e9074831a59054fec6cc451 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Wed, 31 Mar 2010 16:25:37 +0200
Subject: [PATCH 2596/3638] ocfs2: Fix quota locking

OCFS2 had three issues with quota locking:
a) When reading dquot from global quota file, we started a transaction while
   holding dqio_mutex which is prone to deadlocks because other paths do it
   the other way around
b) During ocfs2_sync_dquot we were not protected against concurrent writers
   on the same node. Because we first copy data to local buffer, a race
   could happen resulting in old data being written to global quota file and
   thus causing quota inconsistency after a crash.
c) ip_alloc_sem of quota files was acquired while a transaction is started
   in ocfs2_quota_write which can deadlock because we first get ip_alloc_sem
   and then start a transaction when extending quota files.

We fix the problem a) by pulling all necessary code to ocfs2_acquire_dquot
and ocfs2_release_dquot. Thus we no longer depend on generic dquot_acquire
to do the locking and can force proper lock ordering.

Problems b) and c) are fixed by locking i_mutex and ip_alloc_sem of
global quota file in ocfs2_lock_global_qf and removing ip_alloc_sem from
ocfs2_quota_read and ocfs2_quota_write.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ocfs2/quota.h        |   5 +-
 fs/ocfs2/quota_global.c | 307 ++++++++++++++++++++++------------------
 fs/ocfs2/quota_local.c  |  88 ++++++------
 3 files changed, 214 insertions(+), 186 deletions(-)

diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index c7623430ca3..903ffa933d5 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -104,10 +104,11 @@ static inline int ocfs2_global_release_dquot(struct dquot *dquot)
 
 int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
 void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
-int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
-			   struct buffer_head **bh);
+int ocfs2_validate_quota_block(struct super_block *sb, struct buffer_head *bh);
 int ocfs2_read_quota_phys_block(struct inode *inode, u64 p_block,
 				struct buffer_head **bh);
+int ocfs2_create_local_dquot(struct dquot *dquot);
+int ocfs2_local_release_dquot(handle_t *handle, struct dquot *dquot);
 
 extern const struct dquot_operations ocfs2_quota_operations;
 extern struct quota_format_type ocfs2_quota_format;
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index f391b11ea98..1e3e0d5b3ae 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -28,6 +28,41 @@
 #include "buffer_head_io.h"
 #include "quota.h"
 
+/*
+ * Locking of quotas with OCFS2 is rather complex. Here are rules that
+ * should be obeyed by all the functions:
+ * - any write of quota structure (either to local or global file) is protected
+ *   by dqio_mutex or dquot->dq_lock.
+ * - any modification of global quota file holds inode cluster lock, i_mutex,
+ *   and ip_alloc_sem of the global quota file (achieved by
+ *   ocfs2_lock_global_qf). It also has to hold qinfo_lock.
+ * - an allocation of new blocks for local quota file is protected by
+ *   its ip_alloc_sem
+ *
+ * A rough sketch of locking dependencies (lf = local file, gf = global file):
+ * Normal filesystem operation:
+ *   start_trans -> dqio_mutex -> write to lf
+ * Syncing of local and global file:
+ *   ocfs2_lock_global_qf -> start_trans -> dqio_mutex -> qinfo_lock ->
+ *     write to gf
+ *						       -> write to lf
+ * Acquire dquot for the first time:
+ *   dq_lock -> ocfs2_lock_global_qf -> qinfo_lock -> read from gf
+ *				     -> alloc space for gf
+ *				     -> start_trans -> qinfo_lock -> write to gf
+ *	     -> ip_alloc_sem of lf -> alloc space for lf
+ *	     -> write to lf
+ * Release last reference to dquot:
+ *   dq_lock -> ocfs2_lock_global_qf -> start_trans -> qinfo_lock -> write to gf
+ *	     -> write to lf
+ * Note that all the above operations also hold the inode cluster lock of lf.
+ * Recovery:
+ *   inode cluster lock of recovered lf
+ *     -> read bitmaps -> ip_alloc_sem of lf
+ *     -> ocfs2_lock_global_qf -> start_trans -> dqio_mutex -> qinfo_lock ->
+ *        write to gf
+ */
+
 static struct workqueue_struct *ocfs2_quota_wq = NULL;
 
 static void qsync_work_fn(struct work_struct *work);
@@ -92,8 +127,7 @@ struct qtree_fmt_operations ocfs2_global_ops = {
 	.is_id = ocfs2_global_is_id,
 };
 
-static int ocfs2_validate_quota_block(struct super_block *sb,
-				      struct buffer_head *bh)
+int ocfs2_validate_quota_block(struct super_block *sb, struct buffer_head *bh)
 {
 	struct ocfs2_disk_dqtrailer *dqt =
 		ocfs2_block_dqtrailer(sb->s_blocksize, bh->b_data);
@@ -111,33 +145,6 @@ static int ocfs2_validate_quota_block(struct super_block *sb,
 	return ocfs2_validate_meta_ecc(sb, bh->b_data, &dqt->dq_check);
 }
 
-int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
-			   struct buffer_head **bh)
-{
-	int rc = 0;
-	struct buffer_head *tmp = *bh;
-
-	if (i_size_read(inode) >> inode->i_sb->s_blocksize_bits <= v_block) {
-		ocfs2_error(inode->i_sb,
-			    "Quota file %llu is probably corrupted! Requested "
-			    "to read block %Lu but file has size only %Lu\n",
-			    (unsigned long long)OCFS2_I(inode)->ip_blkno,
-			    (unsigned long long)v_block,
-			    (unsigned long long)i_size_read(inode));
-		return -EIO;
-	}
-	rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0,
-				    ocfs2_validate_quota_block);
-	if (rc)
-		mlog_errno(rc);
-
-	/* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */
-	if (!rc && !*bh)
-		*bh = tmp;
-
-	return rc;
-}
-
 int ocfs2_read_quota_phys_block(struct inode *inode, u64 p_block,
 				struct buffer_head **bhp)
 {
@@ -151,27 +158,6 @@ int ocfs2_read_quota_phys_block(struct inode *inode, u64 p_block,
 	return rc;
 }
 
-static int ocfs2_get_quota_block(struct inode *inode, int block,
-				 struct buffer_head **bh)
-{
-	u64 pblock, pcount;
-	int err;
-
-	down_read(&OCFS2_I(inode)->ip_alloc_sem);
-	err = ocfs2_extent_map_get_blocks(inode, block, &pblock, &pcount, NULL);
-	up_read(&OCFS2_I(inode)->ip_alloc_sem);
-	if (err) {
-		mlog_errno(err);
-		return err;
-	}
-	*bh = sb_getblk(inode->i_sb, pblock);
-	if (!*bh) {
-		err = -EIO;
-		mlog_errno(err);
-	}
-	return err;
-}
-
 /* Read data from global quotafile - avoid pagecache and such because we cannot
  * afford acquiring the locks... We use quota cluster lock to serialize
  * operations. Caller is responsible for acquiring it. */
@@ -186,6 +172,7 @@ ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data,
 	int err = 0;
 	struct buffer_head *bh;
 	size_t toread, tocopy;
+	u64 pblock = 0, pcount = 0;
 
 	if (off > i_size)
 		return 0;
@@ -194,8 +181,19 @@ ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data,
 	toread = len;
 	while (toread > 0) {
 		tocopy = min_t(size_t, (sb->s_blocksize - offset), toread);
+		if (!pcount) {
+			err = ocfs2_extent_map_get_blocks(gqinode, blk, &pblock,
+							  &pcount, NULL);
+			if (err) {
+				mlog_errno(err);
+				return err;
+			}
+		} else {
+			pcount--;
+			pblock++;
+		}
 		bh = NULL;
-		err = ocfs2_read_quota_block(gqinode, blk, &bh);
+		err = ocfs2_read_quota_phys_block(gqinode, pblock, &bh);
 		if (err) {
 			mlog_errno(err);
 			return err;
@@ -223,6 +221,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
 	int err = 0, new = 0, ja_type;
 	struct buffer_head *bh = NULL;
 	handle_t *handle = journal_current_handle();
+	u64 pblock, pcount;
 
 	if (!handle) {
 		mlog(ML_ERROR, "Quota write (off=%llu, len=%llu) cancelled "
@@ -235,12 +234,11 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
 		len = sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset;
 	}
 
-	mutex_lock_nested(&gqinode->i_mutex, I_MUTEX_QUOTA);
 	if (gqinode->i_size < off + len) {
 		loff_t rounded_end =
 				ocfs2_align_bytes_to_blocks(sb, off + len);
 
-		/* Space is already allocated in ocfs2_global_read_dquot() */
+		/* Space is already allocated in ocfs2_acquire_dquot() */
 		err = ocfs2_simple_size_update(gqinode,
 					       oinfo->dqi_gqi_bh,
 					       rounded_end);
@@ -248,13 +246,20 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
 			goto out;
 		new = 1;
 	}
+	err = ocfs2_extent_map_get_blocks(gqinode, blk, &pblock, &pcount, NULL);
+	if (err) {
+		mlog_errno(err);
+		goto out;
+	}
 	/* Not rewriting whole block? */
 	if ((offset || len < sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) &&
 	    !new) {
-		err = ocfs2_read_quota_block(gqinode, blk, &bh);
+		err = ocfs2_read_quota_phys_block(gqinode, pblock, &bh);
 		ja_type = OCFS2_JOURNAL_ACCESS_WRITE;
 	} else {
-		err = ocfs2_get_quota_block(gqinode, blk, &bh);
+		bh = sb_getblk(sb, pblock);
+		if (!bh)
+			err = -ENOMEM;
 		ja_type = OCFS2_JOURNAL_ACCESS_CREATE;
 	}
 	if (err) {
@@ -279,13 +284,11 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
 	brelse(bh);
 out:
 	if (err) {
-		mutex_unlock(&gqinode->i_mutex);
 		mlog_errno(err);
 		return err;
 	}
 	gqinode->i_version++;
 	ocfs2_mark_inode_dirty(handle, gqinode, oinfo->dqi_gqi_bh);
-	mutex_unlock(&gqinode->i_mutex);
 	return len;
 }
 
@@ -303,11 +306,23 @@ int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex)
 	else
 		WARN_ON(bh != oinfo->dqi_gqi_bh);
 	spin_unlock(&dq_data_lock);
+	if (ex) {
+		mutex_lock(&oinfo->dqi_gqinode->i_mutex);
+		down_write(&OCFS2_I(oinfo->dqi_gqinode)->ip_alloc_sem);
+	} else {
+		down_read(&OCFS2_I(oinfo->dqi_gqinode)->ip_alloc_sem);
+	}
 	return 0;
 }
 
 void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex)
 {
+	if (ex) {
+		up_write(&OCFS2_I(oinfo->dqi_gqinode)->ip_alloc_sem);
+		mutex_unlock(&oinfo->dqi_gqinode->i_mutex);
+	} else {
+		up_read(&OCFS2_I(oinfo->dqi_gqinode)->ip_alloc_sem);
+	}
 	ocfs2_inode_unlock(oinfo->dqi_gqinode, ex);
 	brelse(oinfo->dqi_gqi_bh);
 	spin_lock(&dq_data_lock);
@@ -458,75 +473,6 @@ static int ocfs2_calc_global_qinit_credits(struct super_block *sb, int type)
 			OCFS2_QUOTA_BLOCK_UPDATE_CREDITS;
 }
 
-/* Read in information from global quota file and acquire a reference to it.
- * dquot_acquire() has already started the transaction and locked quota file */
-int ocfs2_global_read_dquot(struct dquot *dquot)
-{
-	int err, err2, ex = 0;
-	struct super_block *sb = dquot->dq_sb;
-	int type = dquot->dq_type;
-	struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv;
-	struct ocfs2_super *osb = OCFS2_SB(sb);
-	struct inode *gqinode = info->dqi_gqinode;
-	int need_alloc = ocfs2_global_qinit_alloc(sb, type);
-	handle_t *handle = NULL;
-
-	err = ocfs2_qinfo_lock(info, 0);
-	if (err < 0)
-		goto out;
-	err = qtree_read_dquot(&info->dqi_gi, dquot);
-	if (err < 0)
-		goto out_qlock;
-	OCFS2_DQUOT(dquot)->dq_use_count++;
-	OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace;
-	OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes;
-	ocfs2_qinfo_unlock(info, 0);
-
-	if (!dquot->dq_off) {	/* No real quota entry? */
-		ex = 1;
-		/*
-		 * Add blocks to quota file before we start a transaction since
-		 * locking allocators ranks above a transaction start
-		 */
-		WARN_ON(journal_current_handle());
-		down_write(&OCFS2_I(gqinode)->ip_alloc_sem);
-		err = ocfs2_extend_no_holes(gqinode,
-			gqinode->i_size + (need_alloc << sb->s_blocksize_bits),
-			gqinode->i_size);
-		up_write(&OCFS2_I(gqinode)->ip_alloc_sem);
-		if (err < 0)
-			goto out;
-	}
-
-	handle = ocfs2_start_trans(osb,
-				   ocfs2_calc_global_qinit_credits(sb, type));
-	if (IS_ERR(handle)) {
-		err = PTR_ERR(handle);
-		goto out;
-	}
-	err = ocfs2_qinfo_lock(info, ex);
-	if (err < 0)
-		goto out_trans;
-	err = qtree_write_dquot(&info->dqi_gi, dquot);
-	if (ex && info_dirty(sb_dqinfo(dquot->dq_sb, dquot->dq_type))) {
-		err2 = __ocfs2_global_write_info(dquot->dq_sb, dquot->dq_type);
-		if (!err)
-			err = err2;
-	}
-out_qlock:
-	if (ex)
-		ocfs2_qinfo_unlock(info, 1);
-	else
-		ocfs2_qinfo_unlock(info, 0);
-out_trans:
-	if (handle)
-		ocfs2_commit_trans(osb, handle);
-out:
-	if (err < 0)
-		mlog_errno(err);
-	return err;
-}
-
 /* Sync local information about quota modifications with global quota file.
  * Caller must have started the transaction and obtained exclusive lock for
  * global quota file inode */
@@ -742,6 +688,10 @@ static int ocfs2_release_dquot(struct dquot *dquot)
 
 	mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type);
 
+	mutex_lock(&dquot->dq_lock);
+	/* Check whether we are not racing with some other dqget() */
+	if (atomic_read(&dquot->dq_count) > 1)
+		goto out;
 	status = ocfs2_lock_global_qf(oinfo, 1);
 	if (status < 0)
 		goto out;
@@ -752,30 +702,113 @@ static int ocfs2_release_dquot(struct dquot *dquot)
 		mlog_errno(status);
 		goto out_ilock;
 	}
-	status = dquot_release(dquot);
+
+	status = ocfs2_global_release_dquot(dquot);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_trans;
+	}
+	status = ocfs2_local_release_dquot(handle, dquot);
+	/*
+	 * If we fail here, we cannot do much as global structure is
+	 * already released. So just complain...
+	 */
+	if (status < 0)
+		mlog_errno(status);
+	clear_bit(DQ_ACTIVE_B, &dquot->dq_flags);
+out_trans:
 	ocfs2_commit_trans(osb, handle);
 out_ilock:
 	ocfs2_unlock_global_qf(oinfo, 1);
 out:
+	mutex_unlock(&dquot->dq_lock);
 	mlog_exit(status);
 	return status;
 }
 
+/*
+ * Read global dquot structure from disk or create it if it does
+ * not exist. Also update use count of the global structure and
+ * create structure in node-local quota file.
+ */
 static int ocfs2_acquire_dquot(struct dquot *dquot)
 {
-	struct ocfs2_mem_dqinfo *oinfo =
-			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
-	int status = 0;
+	int status = 0, err;
+	int ex = 0;
+	struct super_block *sb = dquot->dq_sb;
+	struct ocfs2_super *osb = OCFS2_SB(sb);
+	int type = dquot->dq_type;
+	struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv;
+	struct inode *gqinode = info->dqi_gqinode;
+	int need_alloc = ocfs2_global_qinit_alloc(sb, type);
+	handle_t *handle;
 
-	mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type);
-	/* We need an exclusive lock, because we're going to update use count
-	 * and instantiate possibly new dquot structure */
-	status = ocfs2_lock_global_qf(oinfo, 1);
+	mlog_entry("id=%u, type=%d", dquot->dq_id, type);
+	mutex_lock(&dquot->dq_lock);
+	/*
+	 * We need an exclusive lock, because we're going to update use count
+	 * and instantiate possibly new dquot structure
+	 */
+	status = ocfs2_lock_global_qf(info, 1);
 	if (status < 0)
 		goto out;
-	status = dquot_acquire(dquot);
-	ocfs2_unlock_global_qf(oinfo, 1);
+	if (!test_bit(DQ_READ_B, &dquot->dq_flags)) {
+		status = ocfs2_qinfo_lock(info, 0);
+		if (status < 0)
+			goto out_dq;
+		status = qtree_read_dquot(&info->dqi_gi, dquot);
+		ocfs2_qinfo_unlock(info, 0);
+		if (status < 0)
+			goto out_dq;
+	}
+	set_bit(DQ_READ_B, &dquot->dq_flags);
+
+	OCFS2_DQUOT(dquot)->dq_use_count++;
+	OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace;
+	OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes;
+	if (!dquot->dq_off) {	/* No real quota entry? */
+		ex = 1;
+		/*
+		 * Add blocks to quota file before we start a transaction since
+		 * locking allocators ranks above a transaction start
+		 */
+		WARN_ON(journal_current_handle());
+		status = ocfs2_extend_no_holes(gqinode,
+			gqinode->i_size + (need_alloc << sb->s_blocksize_bits),
+			gqinode->i_size);
+		if (status < 0)
+			goto out_dq;
+	}
+
+	handle = ocfs2_start_trans(osb,
+				   ocfs2_calc_global_qinit_credits(sb, type));
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		goto out_dq;
+	}
+	status = ocfs2_qinfo_lock(info, ex);
+	if (status < 0)
+		goto out_trans;
+	status = qtree_write_dquot(&info->dqi_gi, dquot);
+	if (ex && info_dirty(sb_dqinfo(sb, type))) {
+		err = __ocfs2_global_write_info(sb, type);
+		if (!status)
+			status = err;
+	}
+	ocfs2_qinfo_unlock(info, ex);
+out_trans:
+	ocfs2_commit_trans(osb, handle);
+out_dq:
+	ocfs2_unlock_global_qf(info, 1);
+	if (status < 0)
+		goto out;
+
+	status = ocfs2_create_local_dquot(dquot);
+	if (status < 0)
+		goto out;
+	set_bit(DQ_ACTIVE_B, &dquot->dq_flags);
 out:
+	mutex_unlock(&dquot->dq_lock);
 	mlog_exit(status);
 	return status;
 }
@@ -820,7 +853,9 @@ static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
 		mlog_errno(status);
 		goto out_ilock;
 	}
+	mutex_lock(&sb_dqopt(sb)->dqio_mutex);
 	status = ocfs2_sync_dquot(dquot);
+	mutex_unlock(&sb_dqopt(sb)->dqio_mutex);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out_trans;
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 962e8380852..778947f0e95 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -22,6 +22,7 @@
 #include "dlmglue.h"
 #include "quota.h"
 #include "uptodate.h"
+#include "super.h"
 
 /* Number of local quota structures per block */
 static inline unsigned int ol_quota_entries_per_block(struct super_block *sb)
@@ -129,6 +130,39 @@ static int ocfs2_modify_bh(struct inode *inode, struct buffer_head *bh,
 	return 0;
 }
 
+/*
+ * Read quota block from a given logical offset.
+ *
+ * This function acquires ip_alloc_sem and thus it must not be called with a
+ * transaction started.
+ */
+static int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
+				  struct buffer_head **bh)
+{
+	int rc = 0;
+	struct buffer_head *tmp = *bh;
+
+	if (i_size_read(inode) >> inode->i_sb->s_blocksize_bits <= v_block) {
+		ocfs2_error(inode->i_sb,
+			    "Quota file %llu is probably corrupted! Requested "
+			    "to read block %Lu but file has size only %Lu\n",
+			    (unsigned long long)OCFS2_I(inode)->ip_blkno,
+			    (unsigned long long)v_block,
+			    (unsigned long long)i_size_read(inode));
+		return -EIO;
+	}
+	rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0,
+				    ocfs2_validate_quota_block);
+	if (rc)
+		mlog_errno(rc);
+
+	/* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */
+	if (!rc && !*bh)
+		*bh = tmp;
+
+	return rc;
+}
+
 /* Check whether we understand format of quota files */
 static int ocfs2_local_check_quota_file(struct super_block *sb, int type)
 {
@@ -972,10 +1006,8 @@ static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk(
 	}
 
 	/* Initialize chunk header */
-	down_read(&OCFS2_I(lqinode)->ip_alloc_sem);
 	status = ocfs2_extent_map_get_blocks(lqinode, oinfo->dqi_blocks,
 					     &p_blkno, NULL, NULL);
-	up_read(&OCFS2_I(lqinode)->ip_alloc_sem);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out_trans;
@@ -1003,10 +1035,8 @@ static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk(
 	ocfs2_journal_dirty(handle, bh);
 
 	/* Initialize new block with structures */
-	down_read(&OCFS2_I(lqinode)->ip_alloc_sem);
 	status = ocfs2_extent_map_get_blocks(lqinode, oinfo->dqi_blocks + 1,
 					     &p_blkno, NULL, NULL);
-	up_read(&OCFS2_I(lqinode)->ip_alloc_sem);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out_trans;
@@ -1103,10 +1133,8 @@ static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file(
 	}
 
 	/* Get buffer from the just added block */
-	down_read(&OCFS2_I(lqinode)->ip_alloc_sem);
 	status = ocfs2_extent_map_get_blocks(lqinode, oinfo->dqi_blocks,
 					     &p_blkno, NULL, NULL);
-	up_read(&OCFS2_I(lqinode)->ip_alloc_sem);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out;
@@ -1187,7 +1215,7 @@ static void olq_alloc_dquot(struct buffer_head *bh, void *private)
 }
 
 /* Create dquot in the local file for given id */
-static int ocfs2_create_local_dquot(struct dquot *dquot)
+int ocfs2_create_local_dquot(struct dquot *dquot)
 {
 	struct super_block *sb = dquot->dq_sb;
 	int type = dquot->dq_type;
@@ -1237,36 +1265,11 @@ out:
 	return status;
 }
 
-/* Create entry in local file for dquot, load data from the global file */
-static int ocfs2_local_read_dquot(struct dquot *dquot)
-{
-	int status;
-
-	mlog_entry("id=%u, type=%d\n", dquot->dq_id, dquot->dq_type);
-
-	status = ocfs2_global_read_dquot(dquot);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_err;
-	}
-
-	/* Now create entry in the local quota file */
-	status = ocfs2_create_local_dquot(dquot);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out_err;
-	}
-	mlog_exit(0);
-	return 0;
-out_err:
-	mlog_exit(status);
-	return status;
-}
-
-/* Release dquot structure from local quota file. ocfs2_release_dquot() has
- * already started a transaction and obtained exclusive lock for global
- * quota file. */
-static int ocfs2_local_release_dquot(struct dquot *dquot)
+/*
+ * Release dquot structure from local quota file. ocfs2_release_dquot() has
+ * already started a transaction and written all changes to global quota file
+ */
+int ocfs2_local_release_dquot(handle_t *handle, struct dquot *dquot)
 {
 	int status;
 	int type = dquot->dq_type;
@@ -1274,15 +1277,6 @@ static int ocfs2_local_release_dquot(struct dquot *dquot)
 	struct super_block *sb = dquot->dq_sb;
 	struct ocfs2_local_disk_chunk *dchunk;
 	int offset;
-	handle_t *handle = journal_current_handle();
-
-	BUG_ON(!handle);
-	/* First write all local changes to global file */
-	status = ocfs2_global_release_dquot(dquot);
-	if (status < 0) {
-		mlog_errno(status);
-		goto out;
-	}
 
 	status = ocfs2_journal_access_dq(handle,
 			INODE_CACHE(sb_dqopt(sb)->files[type]),
@@ -1315,9 +1309,7 @@ static const struct quota_format_ops ocfs2_format_ops = {
 	.read_file_info		= ocfs2_local_read_info,
 	.write_file_info	= ocfs2_global_write_info,
 	.free_file_info		= ocfs2_local_free_info,
-	.read_dqblk		= ocfs2_local_read_dquot,
 	.commit_dqblk		= ocfs2_local_write_dquot,
-	.release_dqblk		= ocfs2_local_release_dquot,
 };
 
 struct quota_format_type ocfs2_quota_format = {

From 832d09cf1438bd172f69478bde74f20f05ec0115 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 11 May 2010 17:04:14 +0200
Subject: [PATCH 2597/3638] ocfs2: Fix estimate of credits needed for quota
 allocation

We were missing reservation of a journal credit for modification of quota
file inode when creating new dquot structure in the global quota file.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ocfs2/quota_global.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 1e3e0d5b3ae..73499582374 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -468,9 +468,10 @@ static int ocfs2_global_qinit_alloc(struct super_block *sb, int type)
 
 static int ocfs2_calc_global_qinit_credits(struct super_block *sb, int type)
 {
-	/* We modify all the allocated blocks, tree root, and info block */
+	/* We modify all the allocated blocks, tree root, info block and
+	 * the inode */
 	return (ocfs2_global_qinit_alloc(sb, type) + 2) *
-			OCFS2_QUOTA_BLOCK_UPDATE_CREDITS;
+			OCFS2_QUOTA_BLOCK_UPDATE_CREDITS + 1;
 }
 
 /* Sync local information about quota modifications with global quota file.

From 741e128933448e589a85286e535078b24f4cf568 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 13 May 2010 18:05:15 +0200
Subject: [PATCH 2598/3638] ocfs2: Fix NULL pointer deref when writing local
 dquot

commit_dqblk() can write quota info to global file. That is actually a bad
thing to do because if we are just modifying local quota file, we are not
prepared (do not hold proper locks, do not have transaction credits) to do
a modification of the global quota file. So do not use commit_dqblk() and
instead call our writing function directly.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ocfs2/quota.h        |  1 +
 fs/ocfs2/quota_global.c | 20 ++++++++++----------
 fs/ocfs2/quota_local.c  |  3 +--
 3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index 903ffa933d5..196fcb52d95 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -109,6 +109,7 @@ int ocfs2_read_quota_phys_block(struct inode *inode, u64 p_block,
 				struct buffer_head **bh);
 int ocfs2_create_local_dquot(struct dquot *dquot);
 int ocfs2_local_release_dquot(handle_t *handle, struct dquot *dquot);
+int ocfs2_local_write_dquot(struct dquot *dquot);
 
 extern const struct dquot_operations ocfs2_quota_operations;
 extern struct quota_format_type ocfs2_quota_format;
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 73499582374..2bb35fe0051 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -612,14 +612,13 @@ static int ocfs2_sync_dquot_helper(struct dquot *dquot, unsigned long type)
 	}
 	mutex_lock(&sb_dqopt(sb)->dqio_mutex);
 	status = ocfs2_sync_dquot(dquot);
-	mutex_unlock(&sb_dqopt(sb)->dqio_mutex);
 	if (status < 0)
 		mlog_errno(status);
 	/* We have to write local structure as well... */
-	dquot_mark_dquot_dirty(dquot);
-	status = dquot_commit(dquot);
+	status = ocfs2_local_write_dquot(dquot);
 	if (status < 0)
 		mlog_errno(status);
+	mutex_unlock(&sb_dqopt(sb)->dqio_mutex);
 	ocfs2_commit_trans(osb, handle);
 out_ilock:
 	ocfs2_unlock_global_qf(oinfo, 1);
@@ -658,7 +657,9 @@ static int ocfs2_write_dquot(struct dquot *dquot)
 		mlog_errno(status);
 		goto out;
 	}
-	status = dquot_commit(dquot);
+	mutex_lock(&sb_dqopt(dquot->dq_sb)->dqio_mutex);
+	status = ocfs2_local_write_dquot(dquot);
+	mutex_unlock(&sb_dqopt(dquot->dq_sb)->dqio_mutex);
 	ocfs2_commit_trans(osb, handle);
 out:
 	mlog_exit(status);
@@ -831,7 +832,6 @@ static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
 	struct ocfs2_super *osb = OCFS2_SB(sb);
 
 	mlog_entry("id=%u, type=%d", dquot->dq_id, type);
-	dquot_mark_dquot_dirty(dquot);
 
 	/* In case user set some limits, sync dquot immediately to global
 	 * quota file so that information propagates quicker */
@@ -856,14 +856,14 @@ static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
 	}
 	mutex_lock(&sb_dqopt(sb)->dqio_mutex);
 	status = ocfs2_sync_dquot(dquot);
-	mutex_unlock(&sb_dqopt(sb)->dqio_mutex);
 	if (status < 0) {
 		mlog_errno(status);
-		goto out_trans;
+		goto out_dlock;
 	}
 	/* Now write updated local dquot structure */
-	status = dquot_commit(dquot);
-out_trans:
+	status = ocfs2_local_write_dquot(dquot);
+out_dlock:
+	mutex_unlock(&sb_dqopt(sb)->dqio_mutex);
 	ocfs2_commit_trans(osb, handle);
 out_ilock:
 	ocfs2_unlock_global_qf(oinfo, 1);
@@ -915,7 +915,7 @@ static void ocfs2_destroy_dquot(struct dquot *dquot)
 }
 
 const struct dquot_operations ocfs2_quota_operations = {
-	.write_dquot	= ocfs2_write_dquot,
+	/* We never make dquot dirty so .write_dquot is never called */
 	.acquire_dquot	= ocfs2_acquire_dquot,
 	.release_dquot	= ocfs2_release_dquot,
 	.mark_dirty	= ocfs2_mark_dquot_dirty,
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 778947f0e95..551a6bff9f2 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -892,7 +892,7 @@ static void olq_set_dquot(struct buffer_head *bh, void *private)
 }
 
 /* Write dquot to local quota file */
-static int ocfs2_local_write_dquot(struct dquot *dquot)
+int ocfs2_local_write_dquot(struct dquot *dquot)
 {
 	struct super_block *sb = dquot->dq_sb;
 	struct ocfs2_dquot *od = OCFS2_DQUOT(dquot);
@@ -1309,7 +1309,6 @@ static const struct quota_format_ops ocfs2_format_ops = {
 	.read_file_info		= ocfs2_local_read_info,
 	.write_file_info	= ocfs2_global_write_info,
 	.free_file_info		= ocfs2_local_free_info,
-	.commit_dqblk		= ocfs2_local_write_dquot,
 };
 
 struct quota_format_type ocfs2_quota_format = {

From 52a9ee281cfb26fffce1d6c409fb4b1f4aa8a766 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 13 May 2010 20:18:45 +0200
Subject: [PATCH 2599/3638] ocfs2: Use __dquot_transfer to avoid lock inversion

dquot_transfer() acquires own references to dquots via dqget(). Thus it waits
for dq_lock which creates a lock inversion because dq_lock ranks above
transaction start but transaction is already started in ocfs2_setattr(). Fix
the problem by passing own references directly to __dquot_transfer.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ocfs2/file.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index e127c53ec2e..97e54b9e654 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -933,9 +933,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 	struct ocfs2_super *osb = OCFS2_SB(sb);
 	struct buffer_head *bh = NULL;
 	handle_t *handle = NULL;
-	int qtype;
-	struct dquot *transfer_from[MAXQUOTAS] = { };
 	struct dquot *transfer_to[MAXQUOTAS] = { };
+	int qtype;
 
 	mlog_entry("(0x%p, '%.*s')\n", dentry,
 	           dentry->d_name.len, dentry->d_name.name);
@@ -1019,9 +1018,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 		    OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) {
 			transfer_to[USRQUOTA] = dqget(sb, attr->ia_uid,
 						      USRQUOTA);
-			transfer_from[USRQUOTA] = dqget(sb, inode->i_uid,
-							USRQUOTA);
-			if (!transfer_to[USRQUOTA] || !transfer_from[USRQUOTA]) {
+			if (!transfer_to[USRQUOTA]) {
 				status = -ESRCH;
 				goto bail_unlock;
 			}
@@ -1031,9 +1028,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 		    OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) {
 			transfer_to[GRPQUOTA] = dqget(sb, attr->ia_gid,
 						      GRPQUOTA);
-			transfer_from[GRPQUOTA] = dqget(sb, inode->i_gid,
-							GRPQUOTA);
-			if (!transfer_to[GRPQUOTA] || !transfer_from[GRPQUOTA]) {
+			if (!transfer_to[GRPQUOTA]) {
 				status = -ESRCH;
 				goto bail_unlock;
 			}
@@ -1045,7 +1040,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 			mlog_errno(status);
 			goto bail_unlock;
 		}
-		status = dquot_transfer(inode, attr);
+		status = __dquot_transfer(inode, transfer_to);
 		if (status < 0)
 			goto bail_commit;
 	} else {
@@ -1085,10 +1080,8 @@ bail:
 	brelse(bh);
 
 	/* Release quota pointers in case we acquired them */
-	for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
+	for (qtype = 0; qtype < MAXQUOTAS; qtype++)
 		dqput(transfer_to[qtype]);
-		dqput(transfer_from[qtype]);
-	}
 
 	if (!status && attr->ia_valid & ATTR_MODE) {
 		status = ocfs2_acl_chmod(inode);

From c06bcbfa1ed8daaeb2a262f372b411207891e229 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 13 May 2010 22:14:53 +0200
Subject: [PATCH 2600/3638] ocfs2: Fix lock inversion in quotas during umount

We cannot cancel delayed work from ocfs2_local_free_info because that is called
with dqonoff_mutex held and the work it cancels requires dqonoff_mutex to
finish. Cancel the work before acquiring dqonoff_mutex.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ocfs2/quota_local.c | 4 ----
 fs/ocfs2/super.c       | 4 ++++
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 551a6bff9f2..8bd70d4d184 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -816,10 +816,6 @@ static int ocfs2_local_free_info(struct super_block *sb, int type)
 	int mark_clean = 1, len;
 	int status;
 
-	/* At this point we know there are no more dquots and thus
-	 * even if there's some sync in the pdflush queue, it won't
-	 * find any dquots and return without doing anything */
-	cancel_delayed_work_sync(&oinfo->dqi_sync_work);
 	iput(oinfo->dqi_gqinode);
 	ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock);
 	ocfs2_lock_res_free(&oinfo->dqi_gqlock);
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 1c2c39f6f0b..2c26ce251cb 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -938,12 +938,16 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
 	int type;
 	struct inode *inode;
 	struct super_block *sb = osb->sb;
+	struct ocfs2_mem_dqinfo *oinfo;
 
 	/* We mostly ignore errors in this function because there's not much
 	 * we can do when we see them */
 	for (type = 0; type < MAXQUOTAS; type++) {
 		if (!sb_has_quota_loaded(sb, type))
 			continue;
+		/* Cancel periodic syncing before we grab dqonoff_mutex */
+		oinfo = sb_dqinfo(sb, type)->dqi_priv;
+		cancel_delayed_work_sync(&oinfo->dqi_sync_work);
 		inode = igrab(sb->s_dquot.files[type]);
 		/* Turn off quotas. This will remove all dquot structures from
 		 * memory and so they will be automatically synced to global

From 1907131bbeabb33db313bad34f3ec1a5faedbd64 Mon Sep 17 00:00:00 2001
From: Jiaying Zhang <jiayingz@google.com>
Date: Mon, 17 May 2010 18:36:03 +0200
Subject: [PATCH 2601/3638] dquot: Detect partial write error to quota file in
 write_blk() and add printk_ratelimit for quota error messages

This patch changes quota_tree.c:write_blk() to detect error caused by partial
write to quota file and add a macro to limit control printed quota error
messages so we won't fill up dmesg with a corrupted quota file.

Signed-off-by: Jiaying Zhang <jiayingz@google.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/quota_tree.c | 46 +++++++++++++++++++++++++------------------
 fs/quota/quota_tree.h |  6 ++++++
 fs/quota/quota_v2.c   |  6 +++---
 3 files changed, 36 insertions(+), 22 deletions(-)

diff --git a/fs/quota/quota_tree.c b/fs/quota/quota_tree.c
index 5b7f7416ec7..24f03407eeb 100644
--- a/fs/quota/quota_tree.c
+++ b/fs/quota/quota_tree.c
@@ -60,9 +60,17 @@ static ssize_t read_blk(struct qtree_mem_dqinfo *info, uint blk, char *buf)
 static ssize_t write_blk(struct qtree_mem_dqinfo *info, uint blk, char *buf)
 {
 	struct super_block *sb = info->dqi_sb;
+	ssize_t ret;
 
-	return sb->s_op->quota_write(sb, info->dqi_type, buf,
+	ret = sb->s_op->quota_write(sb, info->dqi_type, buf,
 	       info->dqi_usable_bs, blk << info->dqi_blocksize_bits);
+	if (ret != info->dqi_usable_bs) {
+		q_warn(KERN_WARNING "VFS: dquota write failed on "
+			"dev %s\n", sb->s_id);
+		if (ret >= 0)
+			ret = -EIO;
+	}
+	return ret;
 }
 
 /* Remove empty block from list and return it */
@@ -152,7 +160,7 @@ static int remove_free_dqentry(struct qtree_mem_dqinfo *info, char *buf,
 	dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0);
 	/* No matter whether write succeeds block is out of list */
 	if (write_blk(info, blk, buf) < 0)
-		printk(KERN_ERR
+		q_warn(KERN_ERR
 		       "VFS: Can't write block (%u) with free entries.\n",
 		       blk);
 	return 0;
@@ -244,7 +252,7 @@ static uint find_free_dqentry(struct qtree_mem_dqinfo *info,
 	if (le16_to_cpu(dh->dqdh_entries) + 1 >= qtree_dqstr_in_blk(info)) {
 		*err = remove_free_dqentry(info, buf, blk);
 		if (*err < 0) {
-			printk(KERN_ERR "VFS: find_free_dqentry(): Can't "
+			q_warn(KERN_ERR "VFS: find_free_dqentry(): Can't "
 			       "remove block (%u) from entry free list.\n",
 			       blk);
 			goto out_buf;
@@ -268,7 +276,7 @@ static uint find_free_dqentry(struct qtree_mem_dqinfo *info,
 #endif
 	*err = write_blk(info, blk, buf);
 	if (*err < 0) {
-		printk(KERN_ERR "VFS: find_free_dqentry(): Can't write quota "
+		q_warn(KERN_ERR "VFS: find_free_dqentry(): Can't write quota "
 				"data block %u.\n", blk);
 		goto out_buf;
 	}
@@ -303,7 +311,7 @@ static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
 	} else {
 		ret = read_blk(info, *treeblk, buf);
 		if (ret < 0) {
-			printk(KERN_ERR "VFS: Can't read tree quota block "
+			q_warn(KERN_ERR "VFS: Can't read tree quota block "
 					"%u.\n", *treeblk);
 			goto out_buf;
 		}
@@ -365,7 +373,7 @@ int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
 	if (!dquot->dq_off) {
 		ret = dq_insert_tree(info, dquot);
 		if (ret < 0) {
-			printk(KERN_ERR "VFS: Error %zd occurred while "
+			q_warn(KERN_ERR "VFS: Error %zd occurred while "
 					"creating quota.\n", ret);
 			kfree(ddquot);
 			return ret;
@@ -377,7 +385,7 @@ int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
 	ret = sb->s_op->quota_write(sb, type, ddquot, info->dqi_entry_size,
 				    dquot->dq_off);
 	if (ret != info->dqi_entry_size) {
-		printk(KERN_WARNING "VFS: dquota write failed on dev %s\n",
+		q_warn(KERN_WARNING "VFS: dquota write failed on dev %s\n",
 		       sb->s_id);
 		if (ret >= 0)
 			ret = -ENOSPC;
@@ -402,14 +410,14 @@ static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
 	if (!buf)
 		return -ENOMEM;
 	if (dquot->dq_off >> info->dqi_blocksize_bits != blk) {
-		printk(KERN_ERR "VFS: Quota structure has offset to other "
+		q_warn(KERN_ERR "VFS: Quota structure has offset to other "
 		  "block (%u) than it should (%u).\n", blk,
 		  (uint)(dquot->dq_off >> info->dqi_blocksize_bits));
 		goto out_buf;
 	}
 	ret = read_blk(info, blk, buf);
 	if (ret < 0) {
-		printk(KERN_ERR "VFS: Can't read quota data block %u\n", blk);
+		q_warn(KERN_ERR "VFS: Can't read quota data block %u\n", blk);
 		goto out_buf;
 	}
 	dh = (struct qt_disk_dqdbheader *)buf;
@@ -419,7 +427,7 @@ static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
 		if (ret >= 0)
 			ret = put_free_dqblk(info, buf, blk);
 		if (ret < 0) {
-			printk(KERN_ERR "VFS: Can't move quota data block (%u) "
+			q_warn(KERN_ERR "VFS: Can't move quota data block (%u) "
 			  "to free list.\n", blk);
 			goto out_buf;
 		}
@@ -432,14 +440,14 @@ static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
 			/* Insert will write block itself */
 			ret = insert_free_dqentry(info, buf, blk);
 			if (ret < 0) {
-				printk(KERN_ERR "VFS: Can't insert quota data "
+				q_warn(KERN_ERR "VFS: Can't insert quota data "
 				       "block (%u) to free entry list.\n", blk);
 				goto out_buf;
 			}
 		} else {
 			ret = write_blk(info, blk, buf);
 			if (ret < 0) {
-				printk(KERN_ERR "VFS: Can't write quota data "
+				q_warn(KERN_ERR "VFS: Can't write quota data "
 				  "block %u\n", blk);
 				goto out_buf;
 			}
@@ -464,7 +472,7 @@ static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
 		return -ENOMEM;
 	ret = read_blk(info, *blk, buf);
 	if (ret < 0) {
-		printk(KERN_ERR "VFS: Can't read quota data block %u\n", *blk);
+		q_warn(KERN_ERR "VFS: Can't read quota data block %u\n", *blk);
 		goto out_buf;
 	}
 	newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);
@@ -488,7 +496,7 @@ static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
 		} else {
 			ret = write_blk(info, *blk, buf);
 			if (ret < 0)
-				printk(KERN_ERR "VFS: Can't write quota tree "
+				q_warn(KERN_ERR "VFS: Can't write quota tree "
 				  "block %u.\n", *blk);
 		}
 	}
@@ -521,7 +529,7 @@ static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info,
 		return -ENOMEM;
 	ret = read_blk(info, blk, buf);
 	if (ret < 0) {
-		printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
+		q_warn(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
 		goto out_buf;
 	}
 	ddquot = buf + sizeof(struct qt_disk_dqdbheader);
@@ -531,7 +539,7 @@ static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info,
 		ddquot += info->dqi_entry_size;
 	}
 	if (i == qtree_dqstr_in_blk(info)) {
-		printk(KERN_ERR "VFS: Quota for id %u referenced "
+		q_warn(KERN_ERR "VFS: Quota for id %u referenced "
 		  "but not present.\n", dquot->dq_id);
 		ret = -EIO;
 		goto out_buf;
@@ -556,7 +564,7 @@ static loff_t find_tree_dqentry(struct qtree_mem_dqinfo *info,
 		return -ENOMEM;
 	ret = read_blk(info, blk, buf);
 	if (ret < 0) {
-		printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
+		q_warn(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
 		goto out_buf;
 	}
 	ret = 0;
@@ -599,7 +607,7 @@ int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
 		offset = find_dqentry(info, dquot);
 		if (offset <= 0) {	/* Entry not present? */
 			if (offset < 0)
-				printk(KERN_ERR "VFS: Can't read quota "
+				q_warn(KERN_ERR "VFS: Can't read quota "
 				  "structure for id %u.\n", dquot->dq_id);
 			dquot->dq_off = 0;
 			set_bit(DQ_FAKE_B, &dquot->dq_flags);
@@ -617,7 +625,7 @@ int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
 	if (ret != info->dqi_entry_size) {
 		if (ret >= 0)
 			ret = -EIO;
-		printk(KERN_ERR "VFS: Error while reading quota "
+		q_warn(KERN_ERR "VFS: Error while reading quota "
 				"structure for id %u.\n", dquot->dq_id);
 		set_bit(DQ_FAKE_B, &dquot->dq_flags);
 		memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
diff --git a/fs/quota/quota_tree.h b/fs/quota/quota_tree.h
index a1ab8db81a5..ccc3e71fb1d 100644
--- a/fs/quota/quota_tree.h
+++ b/fs/quota/quota_tree.h
@@ -22,4 +22,10 @@ struct qt_disk_dqdbheader {
 
 #define QT_TREEOFF	1		/* Offset of tree in file in blocks */
 
+#define q_warn(fmt, args...) \
+do { \
+	if (printk_ratelimit()) \
+		printk(fmt, ## args); \
+} while(0)
+
 #endif /* _LINUX_QUOTAIO_TREE_H */
diff --git a/fs/quota/quota_v2.c b/fs/quota/quota_v2.c
index e3da02f4986..135206af145 100644
--- a/fs/quota/quota_v2.c
+++ b/fs/quota/quota_v2.c
@@ -63,7 +63,7 @@ static int v2_read_header(struct super_block *sb, int type,
 	size = sb->s_op->quota_read(sb, type, (char *)dqhead,
 				    sizeof(struct v2_disk_dqheader), 0);
 	if (size != sizeof(struct v2_disk_dqheader)) {
-		printk(KERN_WARNING "quota_v2: Failed header read:"
+		q_warn(KERN_WARNING "quota_v2: Failed header read:"
 		       " expected=%zd got=%zd\n",
 			sizeof(struct v2_disk_dqheader), size);
 		return 0;
@@ -106,7 +106,7 @@ static int v2_read_file_info(struct super_block *sb, int type)
 	size = sb->s_op->quota_read(sb, type, (char *)&dinfo,
 	       sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF);
 	if (size != sizeof(struct v2_disk_dqinfo)) {
-		printk(KERN_WARNING "quota_v2: Can't read info structure on device %s.\n",
+		q_warn(KERN_WARNING "quota_v2: Can't read info structure on device %s.\n",
 			sb->s_id);
 		return -1;
 	}
@@ -167,7 +167,7 @@ static int v2_write_file_info(struct super_block *sb, int type)
 	size = sb->s_op->quota_write(sb, type, (char *)&dinfo,
 	       sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF);
 	if (size != sizeof(struct v2_disk_dqinfo)) {
-		printk(KERN_WARNING "Can't write info structure on device %s.\n",
+		q_warn(KERN_WARNING "Can't write info structure on device %s.\n",
 			sb->s_id);
 		return -1;
 	}

From 9a6edb60ec10d86b1025a0cdad68fd89f1ddaf02 Mon Sep 17 00:00:00 2001
From: Ralph Campbell <ralph.campbell@qlogic.com>
Date: Thu, 6 May 2010 17:03:25 -0700
Subject: [PATCH 2602/3638] IB/core: Allow device-specific per-port sysfs files

Add a new parameter to ib_register_device() so that low-level device
drivers can pass in a pointer to a callback function that will be
called for each port that is registered in sysfs.  This allows
low-level device drivers to create files in

    /sys/class/infiniband/<hca>/ports/<N>/

without having to poke through the internals of the RDMA sysfs handling.

There is no need for an unregister function since the kobject
reference will go to zero when ib_unregister_device() is called.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/core/core_priv.h          |  4 +++-
 drivers/infiniband/core/device.c             |  6 ++++--
 drivers/infiniband/core/sysfs.c              | 21 ++++++++++++++++----
 drivers/infiniband/hw/amso1100/c2_provider.c |  2 +-
 drivers/infiniband/hw/cxgb3/iwch_provider.c  |  2 +-
 drivers/infiniband/hw/cxgb4/provider.c       |  2 +-
 drivers/infiniband/hw/ehca/ehca_main.c       |  2 +-
 drivers/infiniband/hw/ipath/ipath_verbs.c    |  2 +-
 drivers/infiniband/hw/mlx4/main.c            |  2 +-
 drivers/infiniband/hw/mthca/mthca_provider.c |  2 +-
 drivers/infiniband/hw/nes/nes_verbs.c        |  2 +-
 include/rdma/ib_verbs.h                      |  4 +++-
 12 files changed, 35 insertions(+), 16 deletions(-)

diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index 05ac36e6acd..a565af5c2d2 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -38,7 +38,9 @@
 
 #include <rdma/ib_verbs.h>
 
-int  ib_device_register_sysfs(struct ib_device *device);
+int  ib_device_register_sysfs(struct ib_device *device,
+			      int (*port_callback)(struct ib_device *,
+						   u8, struct kobject *));
 void ib_device_unregister_sysfs(struct ib_device *device);
 
 int  ib_sysfs_setup(void);
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index d1fba415333..a19effad081 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -267,7 +267,9 @@ out:
  * callback for each device that is added. @device must be allocated
  * with ib_alloc_device().
  */
-int ib_register_device(struct ib_device *device)
+int ib_register_device(struct ib_device *device,
+		       int (*port_callback)(struct ib_device *,
+					    u8, struct kobject *))
 {
 	int ret;
 
@@ -296,7 +298,7 @@ int ib_register_device(struct ib_device *device)
 		goto out;
 	}
 
-	ret = ib_device_register_sysfs(device);
+	ret = ib_device_register_sysfs(device, port_callback);
 	if (ret) {
 		printk(KERN_WARNING "Couldn't register device %s with driver model\n",
 		       device->name);
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index f901957abc8..3627300e2a1 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -475,7 +475,9 @@ err:
 	return NULL;
 }
 
-static int add_port(struct ib_device *device, int port_num)
+static int add_port(struct ib_device *device, int port_num,
+		    int (*port_callback)(struct ib_device *,
+					 u8, struct kobject *))
 {
 	struct ib_port *p;
 	struct ib_port_attr attr;
@@ -522,11 +524,20 @@ static int add_port(struct ib_device *device, int port_num)
 	if (ret)
 		goto err_free_pkey;
 
+	if (port_callback) {
+		ret = port_callback(device, port_num, &p->kobj);
+		if (ret)
+			goto err_remove_pkey;
+	}
+
 	list_add_tail(&p->kobj.entry, &device->port_list);
 
 	kobject_uevent(&p->kobj, KOBJ_ADD);
 	return 0;
 
+err_remove_pkey:
+	sysfs_remove_group(&p->kobj, &p->pkey_group);
+
 err_free_pkey:
 	for (i = 0; i < attr.pkey_tbl_len; ++i)
 		kfree(p->pkey_group.attrs[i]);
@@ -754,7 +765,9 @@ static struct attribute_group iw_stats_group = {
 	.attrs	= iw_proto_stats_attrs,
 };
 
-int ib_device_register_sysfs(struct ib_device *device)
+int ib_device_register_sysfs(struct ib_device *device,
+			     int (*port_callback)(struct ib_device *,
+						  u8, struct kobject *))
 {
 	struct device *class_dev = &device->dev;
 	int ret;
@@ -785,12 +798,12 @@ int ib_device_register_sysfs(struct ib_device *device)
 	}
 
 	if (device->node_type == RDMA_NODE_IB_SWITCH) {
-		ret = add_port(device, 0);
+		ret = add_port(device, 0, port_callback);
 		if (ret)
 			goto err_put;
 	} else {
 		for (i = 1; i <= device->phys_port_cnt; ++i) {
-			ret = add_port(device, i);
+			ret = add_port(device, i, port_callback);
 			if (ret)
 				goto err_put;
 		}
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index c47f618d12e..aeebc4d37e3 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -865,7 +865,7 @@ int c2_register_device(struct c2_dev *dev)
 	dev->ibdev.iwcm->create_listen = c2_service_create;
 	dev->ibdev.iwcm->destroy_listen = c2_service_destroy;
 
-	ret = ib_register_device(&dev->ibdev);
+	ret = ib_register_device(&dev->ibdev, NULL);
 	if (ret)
 		goto out_free_iwcm;
 
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 19b1c4a62a2..fca0b4b747e 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1428,7 +1428,7 @@ int iwch_register_device(struct iwch_dev *dev)
 	dev->ibdev.iwcm->rem_ref = iwch_qp_rem_ref;
 	dev->ibdev.iwcm->get_qp = iwch_get_qp;
 
-	ret = ib_register_device(&dev->ibdev);
+	ret = ib_register_device(&dev->ibdev, NULL);
 	if (ret)
 		goto bail1;
 
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index dfc49020bb9..cd3d6e2c7ed 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -486,7 +486,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
 	dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref;
 	dev->ibdev.iwcm->get_qp = c4iw_get_qp;
 
-	ret = ib_register_device(&dev->ibdev);
+	ret = ib_register_device(&dev->ibdev, NULL);
 	if (ret)
 		goto bail1;
 
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 129a6bebd6e..d1a92785c9e 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -798,7 +798,7 @@ static int __devinit ehca_probe(struct of_device *dev,
 		goto probe5;
 	}
 
-	ret = ib_register_device(&shca->ib_device);
+	ret = ib_register_device(&shca->ib_device, NULL);
 	if (ret) {
 		ehca_err(&shca->ib_device,
 			 "ib_register_device() failed ret=%i", ret);
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 559f39be0dc..dd7f26d04d4 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -2182,7 +2182,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
 	snprintf(dev->node_desc, sizeof(dev->node_desc),
 		 IPATH_IDSTR " %s", init_utsname()->nodename);
 
-	ret = ib_register_device(dev);
+	ret = ib_register_device(dev, NULL);
 	if (ret)
 		goto err_reg;
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 39051417054..4e94e360e43 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -662,7 +662,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 	spin_lock_init(&ibdev->sm_lock);
 	mutex_init(&ibdev->cap_mask_mutex);
 
-	if (ib_register_device(&ibdev->ib_dev))
+	if (ib_register_device(&ibdev->ib_dev, NULL))
 		goto err_map;
 
 	if (mlx4_ib_mad_init(ibdev))
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index f080a784bc7..1e0b4b6074a 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -1403,7 +1403,7 @@ int mthca_register_device(struct mthca_dev *dev)
 
 	mutex_init(&dev->cap_mask_mutex);
 
-	ret = ib_register_device(&dev->ib_dev);
+	ret = ib_register_device(&dev->ib_dev, NULL);
 	if (ret)
 		return ret;
 
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 925e1f2d1d5..9bc2d744b2e 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -3962,7 +3962,7 @@ int nes_register_ofa_device(struct nes_ib_device *nesibdev)
 	struct nes_adapter *nesadapter = nesdev->nesadapter;
 	int i, ret;
 
-	ret = ib_register_device(&nesvnic->nesibdev->ibdev);
+	ret = ib_register_device(&nesvnic->nesibdev->ibdev, NULL);
 	if (ret) {
 		return ret;
 	}
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 310d3147403..f3e8f3c0772 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1172,7 +1172,9 @@ struct ib_client {
 struct ib_device *ib_alloc_device(size_t size);
 void ib_dealloc_device(struct ib_device *device);
 
-int ib_register_device   (struct ib_device *device);
+int ib_register_device(struct ib_device *device,
+		       int (*port_callback)(struct ib_device *,
+					    u8, struct kobject *));
 void ib_unregister_device(struct ib_device *device);
 
 int ib_register_client   (struct ib_client *client);

From b4e6b09738fde057ce885703705f71cc953d0512 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 21 May 2010 09:03:01 -0700
Subject: [PATCH 2603/3638] interrupt.h: fix fatal kernel-doc error

Fix kernel-doc fatal error:
/** beginning a non-kernel-doc comment block:
(That alone does not kill kernel-doc, but the 'enum' was
totally confusing to it.)

Error(/lnx/src/TMP/linux-2.6.34-git6//include/linux/interrupt.h:88): cannot understand prototype: 'enum '
make[2]: *** [Documentation/DocBook/genericirq.xml] Error 1

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/interrupt.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 5137db3317f..c2331138ca1 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -78,7 +78,7 @@ enum {
 	IRQTF_AFFINITY,
 };
 
-/**
+/*
  * These values can be returned by request_any_context_irq() and
  * describe the context the interrupt will be run in.
  *

From 7c8a3554c683f512dbcee26faedb42e4c05f12fa Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 18 May 2010 14:29:29 +0200
Subject: [PATCH 2604/3638] writeback: ensure that WB_SYNC_NONE writeback with
 sb pinned is sync

Even if the writeout itself isn't a data integrity operation, we need
to ensure that the caller doesn't drop the sb umount sem before we
have actually done the writeback.

This is a fixup for commit e913fc82.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/fs-writeback.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 0f629571234..76f546d56a6 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -193,7 +193,8 @@ static void bdi_wait_on_work_clear(struct bdi_work *work)
 }
 
 static void bdi_alloc_queue_work(struct backing_dev_info *bdi,
-				 struct wb_writeback_args *args)
+				 struct wb_writeback_args *args,
+				 int wait)
 {
 	struct bdi_work *work;
 
@@ -205,6 +206,8 @@ static void bdi_alloc_queue_work(struct backing_dev_info *bdi,
 	if (work) {
 		bdi_work_init(work, args);
 		bdi_queue_work(bdi, work);
+		if (wait)
+			bdi_wait_on_work_clear(work);
 	} else {
 		struct bdi_writeback *wb = &bdi->wb;
 
@@ -279,7 +282,7 @@ void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb,
 		args.for_background = 1;
 	}
 
-	bdi_alloc_queue_work(bdi, &args);
+	bdi_alloc_queue_work(bdi, &args, sb_locked);
 }
 
 /*
@@ -909,6 +912,7 @@ long wb_do_writeback(struct bdi_writeback *wb, int force_wait)
 
 	while ((work = get_next_work_item(bdi, wb)) != NULL) {
 		struct wb_writeback_args args = work->args;
+		int post_clear;
 
 		/*
 		 * Override sync mode, in case we must wait for completion
@@ -916,11 +920,13 @@ long wb_do_writeback(struct bdi_writeback *wb, int force_wait)
 		if (force_wait)
 			work->args.sync_mode = args.sync_mode = WB_SYNC_ALL;
 
+		post_clear = WB_SYNC_ALL || args.sb_pinned;
+
 		/*
 		 * If this isn't a data integrity operation, just notify
 		 * that we have seen this work and we are now starting it.
 		 */
-		if (args.sync_mode == WB_SYNC_NONE)
+		if (!post_clear)
 			wb_clear_pending(wb, work);
 
 		wrote += wb_writeback(wb, &args);
@@ -929,7 +935,7 @@ long wb_do_writeback(struct bdi_writeback *wb, int force_wait)
 		 * This is a data integrity writeback, so only do the
 		 * notification when we have completed the work.
 		 */
-		if (args.sync_mode == WB_SYNC_ALL)
+		if (post_clear)
 			wb_clear_pending(wb, work);
 	}
 
@@ -1000,7 +1006,7 @@ static void bdi_writeback_all(struct super_block *sb, long nr_pages)
 		if (!bdi_has_dirty_io(bdi))
 			continue;
 
-		bdi_alloc_queue_work(bdi, &args);
+		bdi_alloc_queue_work(bdi, &args, 0);
 	}
 
 	rcu_read_unlock();

From f9eadbbd424c083b8005c7b738f644611b9ef489 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 18 May 2010 14:31:45 +0200
Subject: [PATCH 2605/3638] writeback: bdi_writeback_task() must set task state
 before calling schedule()

Calling schedule without setting the task state to non-running will
return immediately, so ensure that we set it properly and check our
sleep conditions after doing so.

This is a fixup for commit 69b62d01.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/fs-writeback.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 76f546d56a6..437a7431b4e 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -978,8 +978,13 @@ int bdi_writeback_task(struct bdi_writeback *wb)
 		if (dirty_writeback_interval) {
 			wait_jiffies = msecs_to_jiffies(dirty_writeback_interval * 10);
 			schedule_timeout_interruptible(wait_jiffies);
-		} else
-			schedule();
+		} else {
+			set_current_state(TASK_INTERRUPTIBLE);
+			if (list_empty_careful(&wb->bdi->work_list) &&
+			    !kthread_should_stop())
+				schedule();
+			__set_current_state(TASK_RUNNING);
+		}
 
 		try_to_freeze();
 	}

From 6423104b6a1e6f0c18be60e8c33f02d263331d5e Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Fri, 21 May 2010 20:00:35 +0200
Subject: [PATCH 2606/3638] writeback: fixups for !dirty_writeback_centisecs

Commit 69b62d01 fixed up most of the places where we would enter
busy schedule() spins when disabling the periodic background
writeback. This fixes up the sb timer so that it doesn't get
hammered on with the delay disabled, and ensures that it gets
rearmed if needed when /proc/sys/vm/dirty_writeback_centisecs
gets modified.

bdi_forker_task() also needs to check for !dirty_writeback_centisecs
and use schedule() appropriately, fix that up too.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 include/linux/backing-dev.h |  1 +
 mm/backing-dev.c            | 15 ++++++++++-----
 mm/page-writeback.c         |  1 +
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index ff8bac63213..e6e0cb5437e 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -109,6 +109,7 @@ void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb,
 				long nr_pages, int sb_locked);
 int bdi_writeback_task(struct bdi_writeback *wb);
 int bdi_has_dirty_io(struct backing_dev_info *bdi);
+void bdi_arm_supers_timer(void);
 
 extern spinlock_t bdi_lock;
 extern struct list_head bdi_list;
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 707d0dc6da0..660a87a2251 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -48,7 +48,6 @@ static struct timer_list sync_supers_timer;
 
 static int bdi_sync_supers(void *);
 static void sync_supers_timer_fn(unsigned long);
-static void arm_supers_timer(void);
 
 static void bdi_add_default_flusher_task(struct backing_dev_info *bdi);
 
@@ -252,7 +251,7 @@ static int __init default_bdi_init(void)
 
 	init_timer(&sync_supers_timer);
 	setup_timer(&sync_supers_timer, sync_supers_timer_fn, 0);
-	arm_supers_timer();
+	bdi_arm_supers_timer();
 
 	err = bdi_init(&default_backing_dev_info);
 	if (!err)
@@ -374,10 +373,13 @@ static int bdi_sync_supers(void *unused)
 	return 0;
 }
 
-static void arm_supers_timer(void)
+void bdi_arm_supers_timer(void)
 {
 	unsigned long next;
 
+	if (!dirty_writeback_interval)
+		return;
+
 	next = msecs_to_jiffies(dirty_writeback_interval * 10) + jiffies;
 	mod_timer(&sync_supers_timer, round_jiffies_up(next));
 }
@@ -385,7 +387,7 @@ static void arm_supers_timer(void)
 static void sync_supers_timer_fn(unsigned long unused)
 {
 	wake_up_process(sync_supers_tsk);
-	arm_supers_timer();
+	bdi_arm_supers_timer();
 }
 
 static int bdi_forker_task(void *ptr)
@@ -428,7 +430,10 @@ static int bdi_forker_task(void *ptr)
 
 			spin_unlock_bh(&bdi_lock);
 			wait = msecs_to_jiffies(dirty_writeback_interval * 10);
-			schedule_timeout(wait);
+			if (wait)
+				schedule_timeout(wait);
+			else
+				schedule();
 			try_to_freeze();
 			continue;
 		}
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 53b2fcf2d28..0d7bbe85955 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -690,6 +690,7 @@ int dirty_writeback_centisecs_handler(ctl_table *table, int write,
 	void __user *buffer, size_t *length, loff_t *ppos)
 {
 	proc_dointvec(table, write, buffer, length, ppos);
+	bdi_arm_supers_timer();
 	return 0;
 }
 

From f1ac2502e19c59e996242d406fcc60e4c563e8ce Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Date: Wed, 19 May 2010 08:27:30 +0200
Subject: [PATCH 2607/3638] block: remove all rcu head initializations

Remove all rcu head inits. We don't care about the RCU head state before passing
it to call_rcu() anyway. Only leave the "on_stack" variants so debugobjects can
keep track of objects on stack.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/cfq-iosched.c | 1 -
 block/genhd.c       | 1 -
 2 files changed, 2 deletions(-)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 0f3eb70f9ce..b1472bc2d49 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -3788,7 +3788,6 @@ static void *cfq_init_queue(struct request_queue *q)
 	 * second, in order to have larger depth for async operations.
 	 */
 	cfqd->last_delayed_sync = jiffies - HZ;
-	INIT_RCU_HEAD(&cfqd->rcu);
 	return cfqd;
 }
 
diff --git a/block/genhd.c b/block/genhd.c
index 154b5f80b3a..59a2db6fece 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -988,7 +988,6 @@ int disk_expand_part_tbl(struct gendisk *disk, int partno)
 	if (!new_ptbl)
 		return -ENOMEM;
 
-	INIT_RCU_HEAD(&new_ptbl->rcu_head);
 	new_ptbl->len = target;
 
 	for (i = 0; i < len; i++)

From fa4b9074cd8428958c2adf9dc0c831f46e27c193 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sat, 15 May 2010 20:09:27 +0200
Subject: [PATCH 2608/3638] buffer: make invalidate_bdev() drain all percpu LRU
 add caches

invalidate_bdev() should release all page cache pages which are clean
and not being used; however, if some pages are still in the percpu LRU
add caches on other cpus, those pages are considered in used and don't
get released.  Fix it by calling lru_add_drain_all() before trying to
invalidate pages.

This problem was discovered while testing block automatic native
capacity unlocking.  Null pages which were read before automatic
unlocking didn't get released by invalidate_bdev() and ended up
interfering with partition scan after unlocking.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/buffer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/buffer.c b/fs/buffer.c
index c9c266db062..08e422d5699 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -275,6 +275,7 @@ void invalidate_bdev(struct block_device *bdev)
 		return;
 
 	invalidate_bh_lrus();
+	lru_add_drain_all();	/* make sure all lru add caches are flushed */
 	invalidate_mapping_pages(mapping, 0, -1);
 }
 EXPORT_SYMBOL(invalidate_bdev);

From 56bca01738733709bef076e2e97bbd01e5659f24 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sat, 15 May 2010 20:09:28 +0200
Subject: [PATCH 2609/3638] block: restart partition scan after resizing a
 device

Device resize via ->set_capacity() can reveal new partitions (e.g. in
chained partition table formats such as dos extended parts).  Restart
partition scan from the beginning after resizing a device.  This
change also makes libata always revalidate the disk after resize which
makes lower layer native capacity unlocking implementation simpler and
more robust as resize can be handled in the usual path.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/partitions/check.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index e238ab23a9e..8f01df354f0 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -544,7 +544,7 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
 	struct hd_struct *part;
 	struct parsed_partitions *state;
 	int p, highest, res;
-
+rescan:
 	if (bdev->bd_part_count)
 		return -EBUSY;
 	res = invalidate_partition(disk, 0);
@@ -581,7 +581,7 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
 	/* add partitions */
 	for (p = 1; p < state->limit; p++) {
 		sector_t size, from;
-try_scan:
+
 		size = state->parts[p].size;
 		if (!size)
 			continue;
@@ -596,7 +596,6 @@ try_scan:
 
 		if (from + size > get_capacity(disk)) {
 			const struct block_device_operations *bdops = disk->fops;
-			unsigned long long capacity;
 
 			printk(KERN_WARNING
 			       "%s: p%d size %llu exceeds device capacity, ",
@@ -605,14 +604,11 @@ try_scan:
 			if (bdops->set_capacity &&
 			    (disk->flags & GENHD_FL_NATIVE_CAPACITY) == 0) {
 				printk(KERN_CONT "enabling native capacity\n");
-				capacity = bdops->set_capacity(disk, ~0ULL);
+				bdops->set_capacity(disk, ~0ULL);
 				disk->flags |= GENHD_FL_NATIVE_CAPACITY;
-				if (capacity > get_capacity(disk)) {
-					set_capacity(disk, capacity);
-					check_disk_size_change(disk, bdev);
-					bdev->bd_invalidated = 0;
-				}
-				goto try_scan;
+				/* free state and restart */
+				kfree(state);
+				goto rescan;
 			} else {
 				/*
 				 * we can not ignore partitions of broken tables

From c3e33e043f5e9c583aa59d5591a614b2a8243d3a Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sat, 15 May 2010 20:09:29 +0200
Subject: [PATCH 2610/3638] block,ide: simplify bdops->set_capacity() to
 ->unlock_native_capacity()

bdops->set_capacity() is unnecessarily generic.  All that's required
is a simple one way notification to lower level driver telling it to
try to unlock native capacity.  There's no reason to pass in target
capacity or return the new capacity.  The former is always the
inherent native capacity and the latter can be handled via the usual
device resize / revalidation path.  In fact, the current API is always
used that way.

Replace ->set_capacity() with ->unlock_native_capacity() which take
only @disk and doesn't return anything.  IDE which is the only current
user of the API is converted accordingly.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 drivers/ide/ide-disk.c | 38 +++++++++++++++-----------------------
 drivers/ide/ide-gd.c   | 11 ++++-------
 fs/partitions/check.c  |  4 ++--
 include/linux/blkdev.h |  3 +--
 include/linux/ide.h    |  2 +-
 5 files changed, 23 insertions(+), 35 deletions(-)

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 3b128dce9c3..33d65039cce 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -407,32 +407,24 @@ static int ide_disk_get_capacity(ide_drive_t *drive)
 	return 0;
 }
 
-static u64 ide_disk_set_capacity(ide_drive_t *drive, u64 capacity)
+static void ide_disk_unlock_native_capacity(ide_drive_t *drive)
 {
-	u64 set = min(capacity, drive->probed_capacity);
 	u16 *id = drive->id;
 	int lba48 = ata_id_lba48_enabled(id);
 
 	if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 ||
 	    ata_id_hpa_enabled(id) == 0)
-		goto out;
+		return;
 
 	/*
 	 * according to the spec the SET MAX ADDRESS command shall be
 	 * immediately preceded by a READ NATIVE MAX ADDRESS command
 	 */
-	capacity = ide_disk_hpa_get_native_capacity(drive, lba48);
-	if (capacity == 0)
-		goto out;
+	if (!ide_disk_hpa_get_native_capacity(drive, lba48))
+		return;
 
-	set = ide_disk_hpa_set_capacity(drive, set, lba48);
-	if (set) {
-		/* needed for ->resume to disable HPA */
-		drive->dev_flags |= IDE_DFLAG_NOHPA;
-		return set;
-	}
-out:
-	return drive->capacity64;
+	if (ide_disk_hpa_set_capacity(drive, drive->probed_capacity, lba48))
+		drive->dev_flags |= IDE_DFLAG_NOHPA; /* disable HPA on resume */
 }
 
 static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
@@ -783,13 +775,13 @@ static int ide_disk_set_doorlock(ide_drive_t *drive, struct gendisk *disk,
 }
 
 const struct ide_disk_ops ide_ata_disk_ops = {
-	.check		= ide_disk_check,
-	.set_capacity	= ide_disk_set_capacity,
-	.get_capacity	= ide_disk_get_capacity,
-	.setup		= ide_disk_setup,
-	.flush		= ide_disk_flush,
-	.init_media	= ide_disk_init_media,
-	.set_doorlock	= ide_disk_set_doorlock,
-	.do_request	= ide_do_rw_disk,
-	.ioctl		= ide_disk_ioctl,
+	.check			= ide_disk_check,
+	.unlock_native_capacity	= ide_disk_unlock_native_capacity,
+	.get_capacity		= ide_disk_get_capacity,
+	.setup			= ide_disk_setup,
+	.flush			= ide_disk_flush,
+	.init_media		= ide_disk_init_media,
+	.set_doorlock		= ide_disk_set_doorlock,
+	.do_request		= ide_do_rw_disk,
+	.ioctl			= ide_disk_ioctl,
 };
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index c32d83996ae..c102d23d9b3 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -288,17 +288,14 @@ static int ide_gd_media_changed(struct gendisk *disk)
 	return ret;
 }
 
-static unsigned long long ide_gd_set_capacity(struct gendisk *disk,
-					      unsigned long long capacity)
+static void ide_gd_unlock_native_capacity(struct gendisk *disk)
 {
 	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 	const struct ide_disk_ops *disk_ops = drive->disk_ops;
 
-	if (disk_ops->set_capacity)
-		return disk_ops->set_capacity(drive, capacity);
-
-	return drive->capacity64;
+	if (disk_ops->unlock_native_capacity)
+		disk_ops->unlock_native_capacity(drive);
 }
 
 static int ide_gd_revalidate_disk(struct gendisk *disk)
@@ -329,7 +326,7 @@ static const struct block_device_operations ide_gd_ops = {
 	.locked_ioctl		= ide_gd_ioctl,
 	.getgeo			= ide_gd_getgeo,
 	.media_changed		= ide_gd_media_changed,
-	.set_capacity		= ide_gd_set_capacity,
+	.unlock_native_capacity	= ide_gd_unlock_native_capacity,
 	.revalidate_disk	= ide_gd_revalidate_disk
 };
 
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 8f01df354f0..4f1fee0355a 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -601,10 +601,10 @@ rescan:
 			       "%s: p%d size %llu exceeds device capacity, ",
 			       disk->disk_name, p, (unsigned long long) size);
 
-			if (bdops->set_capacity &&
+			if (bdops->unlock_native_capacity &&
 			    (disk->flags & GENHD_FL_NATIVE_CAPACITY) == 0) {
 				printk(KERN_CONT "enabling native capacity\n");
-				bdops->set_capacity(disk, ~0ULL);
+				bdops->unlock_native_capacity(disk);
 				disk->flags |= GENHD_FL_NATIVE_CAPACITY;
 				/* free state and restart */
 				kfree(state);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 346fd485673..be411c12ebb 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1330,8 +1330,7 @@ struct block_device_operations {
 	int (*direct_access) (struct block_device *, sector_t,
 						void **, unsigned long *);
 	int (*media_changed) (struct gendisk *);
-	unsigned long long (*set_capacity) (struct gendisk *,
-						unsigned long long);
+	void (*unlock_native_capacity) (struct gendisk *);
 	int (*revalidate_disk) (struct gendisk *);
 	int (*getgeo)(struct block_device *, struct hd_geometry *);
 	struct module *owner;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 3239d1c10ac..b6d448048ae 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -362,7 +362,7 @@ struct ide_drive_s;
 struct ide_disk_ops {
 	int		(*check)(struct ide_drive_s *, const char *);
 	int		(*get_capacity)(struct ide_drive_s *);
-	u64		(*set_capacity)(struct ide_drive_s *, u64);
+	void		(*unlock_native_capacity)(struct ide_drive_s *);
 	void		(*setup)(struct ide_drive_s *);
 	void		(*flush)(struct ide_drive_s *);
 	int		(*init_media)(struct ide_drive_s *, struct gendisk *);

From 1493bf217f7f59a5d9e2095a7dbcec00fb36ca8b Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sat, 15 May 2010 20:09:30 +0200
Subject: [PATCH 2611/3638] block: use struct parsed_partitions *state
 universally in partition check code

Make the following changes to partition check code.

* Add ->bdev to struct parsed_partitions.

* Introduce read_part_sector() which is a simple wrapper around
  read_dev_sector() which takes struct parsed_partitions *state
  instead of @bdev.

* For functions which used to take @state and @bdev, drop @bdev.  For
  functions which used to take @bdev, replace it with @state.

* While updating, drop superflous checks on NULL state/bdev in ldm.c.

This cleans up the API a bit and enables better handling of IO errors
during partition check as the generic partition check code now has
much better visibility into what went wrong in the low level code
paths.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/partitions/acorn.c  | 68 +++++++++++++++----------------
 fs/partitions/acorn.h  | 10 ++---
 fs/partitions/amiga.c  | 13 +++---
 fs/partitions/amiga.h  |  2 +-
 fs/partitions/atari.c  |  8 ++--
 fs/partitions/atari.h  |  2 +-
 fs/partitions/check.c  |  5 ++-
 fs/partitions/check.h  |  7 ++++
 fs/partitions/efi.c    | 91 ++++++++++++++++++++----------------------
 fs/partitions/efi.h    |  2 +-
 fs/partitions/ibm.c    | 21 +++++-----
 fs/partitions/ibm.h    |  2 +-
 fs/partitions/karma.c  |  4 +-
 fs/partitions/karma.h  |  2 +-
 fs/partitions/ldm.c    | 89 ++++++++++++++++++++---------------------
 fs/partitions/ldm.h    |  2 +-
 fs/partitions/mac.c    | 11 ++---
 fs/partitions/mac.h    |  2 +-
 fs/partitions/msdos.c  | 85 +++++++++++++++++----------------------
 fs/partitions/msdos.h  |  2 +-
 fs/partitions/osf.c    |  4 +-
 fs/partitions/osf.h    |  2 +-
 fs/partitions/sgi.c    |  6 +--
 fs/partitions/sgi.h    |  2 +-
 fs/partitions/sun.c    |  6 +--
 fs/partitions/sun.h    |  2 +-
 fs/partitions/sysv68.c |  6 +--
 fs/partitions/sysv68.h |  2 +-
 fs/partitions/ultrix.c |  4 +-
 fs/partitions/ultrix.h |  2 +-
 30 files changed, 225 insertions(+), 239 deletions(-)

diff --git a/fs/partitions/acorn.c b/fs/partitions/acorn.c
index a97b477ac0f..6921e7890be 100644
--- a/fs/partitions/acorn.c
+++ b/fs/partitions/acorn.c
@@ -70,14 +70,14 @@ struct riscix_record {
 
 #if defined(CONFIG_ACORN_PARTITION_CUMANA) || \
 	defined(CONFIG_ACORN_PARTITION_ADFS)
-static int
-riscix_partition(struct parsed_partitions *state, struct block_device *bdev,
-		unsigned long first_sect, int slot, unsigned long nr_sects)
+static int riscix_partition(struct parsed_partitions *state,
+			    unsigned long first_sect, int slot,
+			    unsigned long nr_sects)
 {
 	Sector sect;
 	struct riscix_record *rr;
 	
-	rr = (struct riscix_record *)read_dev_sector(bdev, first_sect, &sect);
+	rr = read_part_sector(state, first_sect, &sect);
 	if (!rr)
 		return -1;
 
@@ -123,9 +123,9 @@ struct linux_part {
 
 #if defined(CONFIG_ACORN_PARTITION_CUMANA) || \
 	defined(CONFIG_ACORN_PARTITION_ADFS)
-static int
-linux_partition(struct parsed_partitions *state, struct block_device *bdev,
-		unsigned long first_sect, int slot, unsigned long nr_sects)
+static int linux_partition(struct parsed_partitions *state,
+			   unsigned long first_sect, int slot,
+			   unsigned long nr_sects)
 {
 	Sector sect;
 	struct linux_part *linuxp;
@@ -135,7 +135,7 @@ linux_partition(struct parsed_partitions *state, struct block_device *bdev,
 
 	put_partition(state, slot++, first_sect, size);
 
-	linuxp = (struct linux_part *)read_dev_sector(bdev, first_sect, &sect);
+	linuxp = read_part_sector(state, first_sect, &sect);
 	if (!linuxp)
 		return -1;
 
@@ -157,8 +157,7 @@ linux_partition(struct parsed_partitions *state, struct block_device *bdev,
 #endif
 
 #ifdef CONFIG_ACORN_PARTITION_CUMANA
-int
-adfspart_check_CUMANA(struct parsed_partitions *state, struct block_device *bdev)
+int adfspart_check_CUMANA(struct parsed_partitions *state)
 {
 	unsigned long first_sector = 0;
 	unsigned int start_blk = 0;
@@ -185,7 +184,7 @@ adfspart_check_CUMANA(struct parsed_partitions *state, struct block_device *bdev
 		struct adfs_discrecord *dr;
 		unsigned int nr_sects;
 
-		data = read_dev_sector(bdev, start_blk * 2 + 6, &sect);
+		data = read_part_sector(state, start_blk * 2 + 6, &sect);
 		if (!data)
 			return -1;
 
@@ -217,14 +216,14 @@ adfspart_check_CUMANA(struct parsed_partitions *state, struct block_device *bdev
 #ifdef CONFIG_ACORN_PARTITION_RISCIX
 		case PARTITION_RISCIX_SCSI:
 			/* RISCiX - we don't know how to find the next one. */
-			slot = riscix_partition(state, bdev, first_sector,
-						 slot, nr_sects);
+			slot = riscix_partition(state, first_sector, slot,
+						nr_sects);
 			break;
 #endif
 
 		case PARTITION_LINUX:
-			slot = linux_partition(state, bdev, first_sector,
-						slot, nr_sects);
+			slot = linux_partition(state, first_sector, slot,
+					       nr_sects);
 			break;
 		}
 		put_dev_sector(sect);
@@ -249,8 +248,7 @@ adfspart_check_CUMANA(struct parsed_partitions *state, struct block_device *bdev
  *	    hda1 = ADFS partition on first drive.
  *	    hda2 = non-ADFS partition.
  */
-int
-adfspart_check_ADFS(struct parsed_partitions *state, struct block_device *bdev)
+int adfspart_check_ADFS(struct parsed_partitions *state)
 {
 	unsigned long start_sect, nr_sects, sectscyl, heads;
 	Sector sect;
@@ -259,7 +257,7 @@ adfspart_check_ADFS(struct parsed_partitions *state, struct block_device *bdev)
 	unsigned char id;
 	int slot = 1;
 
-	data = read_dev_sector(bdev, 6, &sect);
+	data = read_part_sector(state, 6, &sect);
 	if (!data)
 		return -1;
 
@@ -278,21 +276,21 @@ adfspart_check_ADFS(struct parsed_partitions *state, struct block_device *bdev)
 	/*
 	 * Work out start of non-adfs partition.
 	 */
-	nr_sects = (bdev->bd_inode->i_size >> 9) - start_sect;
+	nr_sects = (state->bdev->bd_inode->i_size >> 9) - start_sect;
 
 	if (start_sect) {
 		switch (id) {
 #ifdef CONFIG_ACORN_PARTITION_RISCIX
 		case PARTITION_RISCIX_SCSI:
 		case PARTITION_RISCIX_MFM:
-			slot = riscix_partition(state, bdev, start_sect,
-						 slot, nr_sects);
+			slot = riscix_partition(state, start_sect, slot,
+						nr_sects);
 			break;
 #endif
 
 		case PARTITION_LINUX:
-			slot = linux_partition(state, bdev, start_sect,
-						slot, nr_sects);
+			slot = linux_partition(state, start_sect, slot,
+					       nr_sects);
 			break;
 		}
 	}
@@ -308,10 +306,11 @@ struct ics_part {
 	__le32 size;
 };
 
-static int adfspart_check_ICSLinux(struct block_device *bdev, unsigned long block)
+static int adfspart_check_ICSLinux(struct parsed_partitions *state,
+				   unsigned long block)
 {
 	Sector sect;
-	unsigned char *data = read_dev_sector(bdev, block, &sect);
+	unsigned char *data = read_part_sector(state, block, &sect);
 	int result = 0;
 
 	if (data) {
@@ -349,8 +348,7 @@ static inline int valid_ics_sector(const unsigned char *data)
  *	    hda2 = ADFS partition 1 on first drive.
  *		..etc..
  */
-int
-adfspart_check_ICS(struct parsed_partitions *state, struct block_device *bdev)
+int adfspart_check_ICS(struct parsed_partitions *state)
 {
 	const unsigned char *data;
 	const struct ics_part *p;
@@ -360,7 +358,7 @@ adfspart_check_ICS(struct parsed_partitions *state, struct block_device *bdev)
 	/*
 	 * Try ICS style partitions - sector 0 contains partition info.
 	 */
-	data = read_dev_sector(bdev, 0, &sect);
+	data = read_part_sector(state, 0, &sect);
 	if (!data)
 	    	return -1;
 
@@ -392,7 +390,7 @@ adfspart_check_ICS(struct parsed_partitions *state, struct block_device *bdev)
 			 * partition is.  We must not make this visible
 			 * to the filesystem.
 			 */
-			if (size > 1 && adfspart_check_ICSLinux(bdev, start)) {
+			if (size > 1 && adfspart_check_ICSLinux(state, start)) {
 				start += 1;
 				size -= 1;
 			}
@@ -446,8 +444,7 @@ static inline int valid_ptec_sector(const unsigned char *data)
  *	    hda2 = ADFS partition 1 on first drive.
  *		..etc..
  */
-int
-adfspart_check_POWERTEC(struct parsed_partitions *state, struct block_device *bdev)
+int adfspart_check_POWERTEC(struct parsed_partitions *state)
 {
 	Sector sect;
 	const unsigned char *data;
@@ -455,7 +452,7 @@ adfspart_check_POWERTEC(struct parsed_partitions *state, struct block_device *bd
 	int slot = 1;
 	int i;
 
-	data = read_dev_sector(bdev, 0, &sect);
+	data = read_part_sector(state, 0, &sect);
 	if (!data)
 		return -1;
 
@@ -508,8 +505,7 @@ static const char eesox_name[] = {
  *  1. The individual ADFS boot block entries that are placed on the disk.
  *  2. The start address of the next entry.
  */
-int
-adfspart_check_EESOX(struct parsed_partitions *state, struct block_device *bdev)
+int adfspart_check_EESOX(struct parsed_partitions *state)
 {
 	Sector sect;
 	const unsigned char *data;
@@ -518,7 +514,7 @@ adfspart_check_EESOX(struct parsed_partitions *state, struct block_device *bdev)
 	sector_t start = 0;
 	int i, slot = 1;
 
-	data = read_dev_sector(bdev, 7, &sect);
+	data = read_part_sector(state, 7, &sect);
 	if (!data)
 		return -1;
 
@@ -545,7 +541,7 @@ adfspart_check_EESOX(struct parsed_partitions *state, struct block_device *bdev)
 	if (i != 0) {
 		sector_t size;
 
-		size = get_capacity(bdev->bd_disk);
+		size = get_capacity(state->bdev->bd_disk);
 		put_partition(state, slot++, start, size - start);
 		printk("\n");
 	}
diff --git a/fs/partitions/acorn.h b/fs/partitions/acorn.h
index 81fd50ecc08..ede82852969 100644
--- a/fs/partitions/acorn.h
+++ b/fs/partitions/acorn.h
@@ -7,8 +7,8 @@
  *  format, and everyone stick to it?
  */
 
-int adfspart_check_CUMANA(struct parsed_partitions *state, struct block_device *bdev);
-int adfspart_check_ADFS(struct parsed_partitions *state, struct block_device *bdev);
-int adfspart_check_ICS(struct parsed_partitions *state, struct block_device *bdev);
-int adfspart_check_POWERTEC(struct parsed_partitions *state, struct block_device *bdev);
-int adfspart_check_EESOX(struct parsed_partitions *state, struct block_device *bdev);
+int adfspart_check_CUMANA(struct parsed_partitions *state);
+int adfspart_check_ADFS(struct parsed_partitions *state);
+int adfspart_check_ICS(struct parsed_partitions *state);
+int adfspart_check_POWERTEC(struct parsed_partitions *state);
+int adfspart_check_EESOX(struct parsed_partitions *state);
diff --git a/fs/partitions/amiga.c b/fs/partitions/amiga.c
index 9917a8c360f..ba443d4229f 100644
--- a/fs/partitions/amiga.c
+++ b/fs/partitions/amiga.c
@@ -23,8 +23,7 @@ checksum_block(__be32 *m, int size)
 	return sum;
 }
 
-int
-amiga_partition(struct parsed_partitions *state, struct block_device *bdev)
+int amiga_partition(struct parsed_partitions *state)
 {
 	Sector sect;
 	unsigned char *data;
@@ -38,11 +37,11 @@ amiga_partition(struct parsed_partitions *state, struct block_device *bdev)
 	for (blk = 0; ; blk++, put_dev_sector(sect)) {
 		if (blk == RDB_ALLOCATION_LIMIT)
 			goto rdb_done;
-		data = read_dev_sector(bdev, blk, &sect);
+		data = read_part_sector(state, blk, &sect);
 		if (!data) {
 			if (warn_no_part)
 				printk("Dev %s: unable to read RDB block %d\n",
-				       bdevname(bdev, b), blk);
+				       bdevname(state->bdev, b), blk);
 			res = -1;
 			goto rdb_done;
 		}
@@ -64,7 +63,7 @@ amiga_partition(struct parsed_partitions *state, struct block_device *bdev)
 		}
 
 		printk("Dev %s: RDB in block %d has bad checksum\n",
-			       bdevname(bdev, b), blk);
+		       bdevname(state->bdev, b), blk);
 	}
 
 	/* blksize is blocks per 512 byte standard block */
@@ -75,11 +74,11 @@ amiga_partition(struct parsed_partitions *state, struct block_device *bdev)
 	put_dev_sector(sect);
 	for (part = 1; blk>0 && part<=16; part++, put_dev_sector(sect)) {
 		blk *= blksize;	/* Read in terms partition table understands */
-		data = read_dev_sector(bdev, blk, &sect);
+		data = read_part_sector(state, blk, &sect);
 		if (!data) {
 			if (warn_no_part)
 				printk("Dev %s: unable to read partition block %d\n",
-				       bdevname(bdev, b), blk);
+				       bdevname(state->bdev, b), blk);
 			res = -1;
 			goto rdb_done;
 		}
diff --git a/fs/partitions/amiga.h b/fs/partitions/amiga.h
index 2f3e9ce22d5..d094585cada 100644
--- a/fs/partitions/amiga.h
+++ b/fs/partitions/amiga.h
@@ -2,5 +2,5 @@
  *  fs/partitions/amiga.h
  */
 
-int amiga_partition(struct parsed_partitions *state, struct block_device *bdev);
+int amiga_partition(struct parsed_partitions *state);
 
diff --git a/fs/partitions/atari.c b/fs/partitions/atari.c
index 1f3572d5b75..4439ff1b6ce 100644
--- a/fs/partitions/atari.c
+++ b/fs/partitions/atari.c
@@ -30,7 +30,7 @@ static inline int OK_id(char *s)
 		memcmp (s, "RAW", 3) == 0 ;
 }
 
-int atari_partition(struct parsed_partitions *state, struct block_device *bdev)
+int atari_partition(struct parsed_partitions *state)
 {
 	Sector sect;
 	struct rootsector *rs;
@@ -42,12 +42,12 @@ int atari_partition(struct parsed_partitions *state, struct block_device *bdev)
 	int part_fmt = 0; /* 0:unknown, 1:AHDI, 2:ICD/Supra */
 #endif
 
-	rs = (struct rootsector *) read_dev_sector(bdev, 0, &sect);
+	rs = read_part_sector(state, 0, &sect);
 	if (!rs)
 		return -1;
 
 	/* Verify this is an Atari rootsector: */
-	hd_size = bdev->bd_inode->i_size >> 9;
+	hd_size = state->bdev->bd_inode->i_size >> 9;
 	if (!VALID_PARTITION(&rs->part[0], hd_size) &&
 	    !VALID_PARTITION(&rs->part[1], hd_size) &&
 	    !VALID_PARTITION(&rs->part[2], hd_size) &&
@@ -84,7 +84,7 @@ int atari_partition(struct parsed_partitions *state, struct block_device *bdev)
 		printk(" XGM<");
 		partsect = extensect = be32_to_cpu(pi->st);
 		while (1) {
-			xrs = (struct rootsector *)read_dev_sector(bdev, partsect, &sect2);
+			xrs = read_part_sector(state, partsect, &sect2);
 			if (!xrs) {
 				printk (" block %ld read failed\n", partsect);
 				put_dev_sector(sect);
diff --git a/fs/partitions/atari.h b/fs/partitions/atari.h
index 63186b00e13..fe2d32a89f3 100644
--- a/fs/partitions/atari.h
+++ b/fs/partitions/atari.h
@@ -31,4 +31,4 @@ struct rootsector
   u16 checksum;			/* checksum for bootable disks */
 } __attribute__((__packed__));
 
-int atari_partition(struct parsed_partitions *state, struct block_device *bdev);
+int atari_partition(struct parsed_partitions *state);
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 4f1fee0355a..a19995c6f6a 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -45,7 +45,7 @@ extern void md_autodetect_dev(dev_t dev);
 
 int warn_no_part = 1; /*This is ugly: should make genhd removable media aware*/
 
-static int (*check_part[])(struct parsed_partitions *, struct block_device *) = {
+static int (*check_part[])(struct parsed_partitions *) = {
 	/*
 	 * Probe partition formats with tables at disk address 0
 	 * that also have an ADFS boot block at 0xdc0.
@@ -165,6 +165,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
 	if (!state)
 		return NULL;
 
+	state->bdev = bdev;
 	disk_name(hd, 0, state->name);
 	printk(KERN_INFO " %s:", state->name);
 	if (isdigit(state->name[strlen(state->name)-1]))
@@ -174,7 +175,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
 	i = res = err = 0;
 	while (!res && check_part[i]) {
 		memset(&state->parts, 0, sizeof(state->parts));
-		res = check_part[i++](state, bdev);
+		res = check_part[i++](state);
 		if (res < 0) {
 			/* We have hit an I/O error which we don't report now.
 		 	* But record it, and let the others do their job.
diff --git a/fs/partitions/check.h b/fs/partitions/check.h
index 98dbe1a8452..4b31a97775b 100644
--- a/fs/partitions/check.h
+++ b/fs/partitions/check.h
@@ -6,6 +6,7 @@
  * description.
  */
 struct parsed_partitions {
+	struct block_device *bdev;
 	char name[BDEVNAME_SIZE];
 	struct {
 		sector_t from;
@@ -16,6 +17,12 @@ struct parsed_partitions {
 	int limit;
 };
 
+static inline void *read_part_sector(struct parsed_partitions *state,
+				     sector_t n, Sector *p)
+{
+	return read_dev_sector(state->bdev, n, p);
+}
+
 static inline void
 put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
 {
diff --git a/fs/partitions/efi.c b/fs/partitions/efi.c
index 91babdae758..9e346c19bbb 100644
--- a/fs/partitions/efi.c
+++ b/fs/partitions/efi.c
@@ -140,8 +140,7 @@ efi_crc32(const void *buf, unsigned long len)
  *  the part[0] entry for this disk, and is the number of
  *  physical sectors available on the disk.
  */
-static u64
-last_lba(struct block_device *bdev)
+static u64 last_lba(struct block_device *bdev)
 {
 	if (!bdev || !bdev->bd_inode)
 		return 0;
@@ -181,27 +180,28 @@ is_pmbr_valid(legacy_mbr *mbr)
 
 /**
  * read_lba(): Read bytes from disk, starting at given LBA
- * @bdev
+ * @state
  * @lba
  * @buffer
  * @size_t
  *
- * Description:  Reads @count bytes from @bdev into @buffer.
+ * Description: Reads @count bytes from @state->bdev into @buffer.
  * Returns number of bytes read on success, 0 on error.
  */
-static size_t
-read_lba(struct block_device *bdev, u64 lba, u8 * buffer, size_t count)
+static size_t read_lba(struct parsed_partitions *state,
+		       u64 lba, u8 *buffer, size_t count)
 {
 	size_t totalreadcount = 0;
+	struct block_device *bdev = state->bdev;
 	sector_t n = lba * (bdev_logical_block_size(bdev) / 512);
 
-	if (!bdev || !buffer || lba > last_lba(bdev))
+	if (!buffer || lba > last_lba(bdev))
                 return 0;
 
 	while (count) {
 		int copied = 512;
 		Sector sect;
-		unsigned char *data = read_dev_sector(bdev, n++, &sect);
+		unsigned char *data = read_part_sector(state, n++, &sect);
 		if (!data)
 			break;
 		if (copied > count)
@@ -217,19 +217,20 @@ read_lba(struct block_device *bdev, u64 lba, u8 * buffer, size_t count)
 
 /**
  * alloc_read_gpt_entries(): reads partition entries from disk
- * @bdev
+ * @state
  * @gpt - GPT header
  * 
  * Description: Returns ptes on success,  NULL on error.
  * Allocates space for PTEs based on information found in @gpt.
  * Notes: remember to free pte when you're done!
  */
-static gpt_entry *
-alloc_read_gpt_entries(struct block_device *bdev, gpt_header *gpt)
+static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,
+					 gpt_header *gpt)
 {
 	size_t count;
 	gpt_entry *pte;
-	if (!bdev || !gpt)
+
+	if (!gpt)
 		return NULL;
 
 	count = le32_to_cpu(gpt->num_partition_entries) *
@@ -240,7 +241,7 @@ alloc_read_gpt_entries(struct block_device *bdev, gpt_header *gpt)
 	if (!pte)
 		return NULL;
 
-	if (read_lba(bdev, le64_to_cpu(gpt->partition_entry_lba),
+	if (read_lba(state, le64_to_cpu(gpt->partition_entry_lba),
                      (u8 *) pte,
 		     count) < count) {
 		kfree(pte);
@@ -252,27 +253,24 @@ alloc_read_gpt_entries(struct block_device *bdev, gpt_header *gpt)
 
 /**
  * alloc_read_gpt_header(): Allocates GPT header, reads into it from disk
- * @bdev
+ * @state
  * @lba is the Logical Block Address of the partition table
  * 
  * Description: returns GPT header on success, NULL on error.   Allocates
- * and fills a GPT header starting at @ from @bdev.
+ * and fills a GPT header starting at @ from @state->bdev.
  * Note: remember to free gpt when finished with it.
  */
-static gpt_header *
-alloc_read_gpt_header(struct block_device *bdev, u64 lba)
+static gpt_header *alloc_read_gpt_header(struct parsed_partitions *state,
+					 u64 lba)
 {
 	gpt_header *gpt;
-	unsigned ssz = bdev_logical_block_size(bdev);
-
-	if (!bdev)
-		return NULL;
+	unsigned ssz = bdev_logical_block_size(state->bdev);
 
 	gpt = kzalloc(ssz, GFP_KERNEL);
 	if (!gpt)
 		return NULL;
 
-	if (read_lba(bdev, lba, (u8 *) gpt, ssz) < ssz) {
+	if (read_lba(state, lba, (u8 *) gpt, ssz) < ssz) {
 		kfree(gpt);
                 gpt=NULL;
 		return NULL;
@@ -283,7 +281,7 @@ alloc_read_gpt_header(struct block_device *bdev, u64 lba)
 
 /**
  * is_gpt_valid() - tests one GPT header and PTEs for validity
- * @bdev
+ * @state
  * @lba is the logical block address of the GPT header to test
  * @gpt is a GPT header ptr, filled on return.
  * @ptes is a PTEs ptr, filled on return.
@@ -291,16 +289,15 @@ alloc_read_gpt_header(struct block_device *bdev, u64 lba)
  * Description: returns 1 if valid,  0 on error.
  * If valid, returns pointers to newly allocated GPT header and PTEs.
  */
-static int
-is_gpt_valid(struct block_device *bdev, u64 lba,
-	     gpt_header **gpt, gpt_entry **ptes)
+static int is_gpt_valid(struct parsed_partitions *state, u64 lba,
+			gpt_header **gpt, gpt_entry **ptes)
 {
 	u32 crc, origcrc;
 	u64 lastlba;
 
-	if (!bdev || !gpt || !ptes)
+	if (!ptes)
 		return 0;
-	if (!(*gpt = alloc_read_gpt_header(bdev, lba)))
+	if (!(*gpt = alloc_read_gpt_header(state, lba)))
 		return 0;
 
 	/* Check the GUID Partition Table signature */
@@ -336,7 +333,7 @@ is_gpt_valid(struct block_device *bdev, u64 lba,
 	/* Check the first_usable_lba and last_usable_lba are
 	 * within the disk.
 	 */
-	lastlba = last_lba(bdev);
+	lastlba = last_lba(state->bdev);
 	if (le64_to_cpu((*gpt)->first_usable_lba) > lastlba) {
 		pr_debug("GPT: first_usable_lba incorrect: %lld > %lld\n",
 			 (unsigned long long)le64_to_cpu((*gpt)->first_usable_lba),
@@ -350,7 +347,7 @@ is_gpt_valid(struct block_device *bdev, u64 lba,
 		goto fail;
 	}
 
-	if (!(*ptes = alloc_read_gpt_entries(bdev, *gpt)))
+	if (!(*ptes = alloc_read_gpt_entries(state, *gpt)))
 		goto fail;
 
 	/* Check the GUID Partition Entry Array CRC */
@@ -495,7 +492,7 @@ compare_gpts(gpt_header *pgpt, gpt_header *agpt, u64 lastlba)
 
 /**
  * find_valid_gpt() - Search disk for valid GPT headers and PTEs
- * @bdev
+ * @state
  * @gpt is a GPT header ptr, filled on return.
  * @ptes is a PTEs ptr, filled on return.
  * Description: Returns 1 if valid, 0 on error.
@@ -508,24 +505,25 @@ compare_gpts(gpt_header *pgpt, gpt_header *agpt, u64 lastlba)
  * This protects against devices which misreport their size, and forces
  * the user to decide to use the Alternate GPT.
  */
-static int
-find_valid_gpt(struct block_device *bdev, gpt_header **gpt, gpt_entry **ptes)
+static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,
+			  gpt_entry **ptes)
 {
 	int good_pgpt = 0, good_agpt = 0, good_pmbr = 0;
 	gpt_header *pgpt = NULL, *agpt = NULL;
 	gpt_entry *pptes = NULL, *aptes = NULL;
 	legacy_mbr *legacymbr;
 	u64 lastlba;
-	if (!bdev || !gpt || !ptes)
+
+	if (!ptes)
 		return 0;
 
-	lastlba = last_lba(bdev);
+	lastlba = last_lba(state->bdev);
         if (!force_gpt) {
                 /* This will be added to the EFI Spec. per Intel after v1.02. */
                 legacymbr = kzalloc(sizeof (*legacymbr), GFP_KERNEL);
                 if (legacymbr) {
-                        read_lba(bdev, 0, (u8 *) legacymbr,
-                                 sizeof (*legacymbr));
+                        read_lba(state, 0, (u8 *) legacymbr,
+				 sizeof (*legacymbr));
                         good_pmbr = is_pmbr_valid(legacymbr);
                         kfree(legacymbr);
                 }
@@ -533,15 +531,14 @@ find_valid_gpt(struct block_device *bdev, gpt_header **gpt, gpt_entry **ptes)
                         goto fail;
         }
 
-	good_pgpt = is_gpt_valid(bdev, GPT_PRIMARY_PARTITION_TABLE_LBA,
+	good_pgpt = is_gpt_valid(state, GPT_PRIMARY_PARTITION_TABLE_LBA,
 				 &pgpt, &pptes);
         if (good_pgpt)
-		good_agpt = is_gpt_valid(bdev,
+		good_agpt = is_gpt_valid(state,
 					 le64_to_cpu(pgpt->alternate_lba),
 					 &agpt, &aptes);
         if (!good_agpt && force_gpt)
-                good_agpt = is_gpt_valid(bdev, lastlba,
-                                         &agpt, &aptes);
+                good_agpt = is_gpt_valid(state, lastlba, &agpt, &aptes);
 
         /* The obviously unsuccessful case */
         if (!good_pgpt && !good_agpt)
@@ -583,9 +580,8 @@ find_valid_gpt(struct block_device *bdev, gpt_header **gpt, gpt_entry **ptes)
 }
 
 /**
- * efi_partition(struct parsed_partitions *state, struct block_device *bdev)
+ * efi_partition(struct parsed_partitions *state)
  * @state
- * @bdev
  *
  * Description: called from check.c, if the disk contains GPT
  * partitions, sets up partition entries in the kernel.
@@ -602,15 +598,14 @@ find_valid_gpt(struct block_device *bdev, gpt_header **gpt, gpt_entry **ptes)
  *  1 if successful
  *
  */
-int
-efi_partition(struct parsed_partitions *state, struct block_device *bdev)
+int efi_partition(struct parsed_partitions *state)
 {
 	gpt_header *gpt = NULL;
 	gpt_entry *ptes = NULL;
 	u32 i;
-	unsigned ssz = bdev_logical_block_size(bdev) / 512;
+	unsigned ssz = bdev_logical_block_size(state->bdev) / 512;
 
-	if (!find_valid_gpt(bdev, &gpt, &ptes) || !gpt || !ptes) {
+	if (!find_valid_gpt(state, &gpt, &ptes) || !gpt || !ptes) {
 		kfree(gpt);
 		kfree(ptes);
 		return 0;
@@ -623,7 +618,7 @@ efi_partition(struct parsed_partitions *state, struct block_device *bdev)
 		u64 size = le64_to_cpu(ptes[i].ending_lba) -
 			   le64_to_cpu(ptes[i].starting_lba) + 1ULL;
 
-		if (!is_pte_valid(&ptes[i], last_lba(bdev)))
+		if (!is_pte_valid(&ptes[i], last_lba(state->bdev)))
 			continue;
 
 		put_partition(state, i+1, start * ssz, size * ssz);
diff --git a/fs/partitions/efi.h b/fs/partitions/efi.h
index 6998b589abf..b69ab729558 100644
--- a/fs/partitions/efi.h
+++ b/fs/partitions/efi.h
@@ -110,7 +110,7 @@ typedef struct _legacy_mbr {
 } __attribute__ ((packed)) legacy_mbr;
 
 /* Functions */
-extern int efi_partition(struct parsed_partitions *state, struct block_device *bdev);
+extern int efi_partition(struct parsed_partitions *state);
 
 #endif
 
diff --git a/fs/partitions/ibm.c b/fs/partitions/ibm.c
index fc71aab0846..3e73de5967f 100644
--- a/fs/partitions/ibm.c
+++ b/fs/partitions/ibm.c
@@ -58,9 +58,9 @@ cchhb2blk (struct vtoc_cchhb *ptr, struct hd_geometry *geo) {
 
 /*
  */
-int
-ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
+int ibm_partition(struct parsed_partitions *state)
 {
+	struct block_device *bdev = state->bdev;
 	int blocksize, res;
 	loff_t i_size, offset, size, fmt_size;
 	dasd_information2_t *info;
@@ -100,7 +100,8 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
 	/*
 	 * Get volume label, extract name and type.
 	 */
-	data = read_dev_sector(bdev, info->label_block*(blocksize/512), &sect);
+	data = read_part_sector(state, info->label_block*(blocksize/512),
+				&sect);
 	if (data == NULL)
 		goto out_readerr;
 
@@ -193,8 +194,8 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
 			 */
 			blk = cchhb2blk(&label->vol.vtoc, geo) + 1;
 			counter = 0;
-			data = read_dev_sector(bdev, blk * (blocksize/512),
-					       &sect);
+			data = read_part_sector(state, blk * (blocksize/512),
+						&sect);
 			while (data != NULL) {
 				struct vtoc_format1_label f1;
 
@@ -208,9 +209,8 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
 				    || f1.DS1FMTID == _ascebc['7']
 				    || f1.DS1FMTID == _ascebc['9']) {
 					blk++;
-					data = read_dev_sector(bdev, blk *
-							       (blocksize/512),
-								&sect);
+					data = read_part_sector(state,
+						blk * (blocksize/512), &sect);
 					continue;
 				}
 
@@ -230,9 +230,8 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
 					      size * (blocksize >> 9));
 				counter++;
 				blk++;
-				data = read_dev_sector(bdev,
-						       blk * (blocksize/512),
-						       &sect);
+				data = read_part_sector(state,
+						blk * (blocksize/512), &sect);
 			}
 
 			if (!data)
diff --git a/fs/partitions/ibm.h b/fs/partitions/ibm.h
index 31f85a6ac45..08fb0804a81 100644
--- a/fs/partitions/ibm.h
+++ b/fs/partitions/ibm.h
@@ -1 +1 @@
-int ibm_partition(struct parsed_partitions *, struct block_device *);
+int ibm_partition(struct parsed_partitions *);
diff --git a/fs/partitions/karma.c b/fs/partitions/karma.c
index 176d89bcf12..1cc928bb762 100644
--- a/fs/partitions/karma.c
+++ b/fs/partitions/karma.c
@@ -9,7 +9,7 @@
 #include "check.h"
 #include "karma.h"
 
-int karma_partition(struct parsed_partitions *state, struct block_device *bdev)
+int karma_partition(struct parsed_partitions *state)
 {
 	int i;
 	int slot = 1;
@@ -29,7 +29,7 @@ int karma_partition(struct parsed_partitions *state, struct block_device *bdev)
 	} __attribute__((packed)) *label;
 	struct d_partition *p;
 
-	data = read_dev_sector(bdev, 0, &sect);
+	data = read_part_sector(state, 0, &sect);
 	if (!data)
 		return -1;
 
diff --git a/fs/partitions/karma.h b/fs/partitions/karma.h
index ecf7d3f2a3d..c764b2e9df2 100644
--- a/fs/partitions/karma.h
+++ b/fs/partitions/karma.h
@@ -4,5 +4,5 @@
 
 #define KARMA_LABEL_MAGIC		0xAB56
 
-int karma_partition(struct parsed_partitions *state, struct block_device *bdev);
+int karma_partition(struct parsed_partitions *state);
 
diff --git a/fs/partitions/ldm.c b/fs/partitions/ldm.c
index 8652fb99e96..3ceca05b668 100644
--- a/fs/partitions/ldm.c
+++ b/fs/partitions/ldm.c
@@ -309,7 +309,7 @@ static bool ldm_compare_tocblocks (const struct tocblock *toc1,
 
 /**
  * ldm_validate_privheads - Compare the primary privhead with its backups
- * @bdev:  Device holding the LDM Database
+ * @state: Partition check state including device holding the LDM Database
  * @ph1:   Memory struct to fill with ph contents
  *
  * Read and compare all three privheads from disk.
@@ -321,8 +321,8 @@ static bool ldm_compare_tocblocks (const struct tocblock *toc1,
  * Return:  'true'   Success
  *          'false'  Error
  */
-static bool ldm_validate_privheads (struct block_device *bdev,
-				    struct privhead *ph1)
+static bool ldm_validate_privheads(struct parsed_partitions *state,
+				   struct privhead *ph1)
 {
 	static const int off[3] = { OFF_PRIV1, OFF_PRIV2, OFF_PRIV3 };
 	struct privhead *ph[3] = { ph1 };
@@ -332,7 +332,7 @@ static bool ldm_validate_privheads (struct block_device *bdev,
 	long num_sects;
 	int i;
 
-	BUG_ON (!bdev || !ph1);
+	BUG_ON (!state || !ph1);
 
 	ph[1] = kmalloc (sizeof (*ph[1]), GFP_KERNEL);
 	ph[2] = kmalloc (sizeof (*ph[2]), GFP_KERNEL);
@@ -346,8 +346,8 @@ static bool ldm_validate_privheads (struct block_device *bdev,
 
 	/* Read and parse privheads */
 	for (i = 0; i < 3; i++) {
-		data = read_dev_sector (bdev,
-			ph[0]->config_start + off[i], &sect);
+		data = read_part_sector(state, ph[0]->config_start + off[i],
+					&sect);
 		if (!data) {
 			ldm_crit ("Disk read failed.");
 			goto out;
@@ -363,7 +363,7 @@ static bool ldm_validate_privheads (struct block_device *bdev,
 		}
 	}
 
-	num_sects = bdev->bd_inode->i_size >> 9;
+	num_sects = state->bdev->bd_inode->i_size >> 9;
 
 	if ((ph[0]->config_start > num_sects) ||
 	   ((ph[0]->config_start + ph[0]->config_size) > num_sects)) {
@@ -397,20 +397,20 @@ out:
 
 /**
  * ldm_validate_tocblocks - Validate the table of contents and its backups
- * @bdev:  Device holding the LDM Database
- * @base:  Offset, into @bdev, of the database
+ * @state: Partition check state including device holding the LDM Database
+ * @base:  Offset, into @state->bdev, of the database
  * @ldb:   Cache of the database structures
  *
  * Find and compare the four tables of contents of the LDM Database stored on
- * @bdev and return the parsed information into @toc1.
+ * @state->bdev and return the parsed information into @toc1.
  *
  * The offsets and sizes of the configs are range-checked against a privhead.
  *
  * Return:  'true'   @toc1 contains validated TOCBLOCK info
  *          'false'  @toc1 contents are undefined
  */
-static bool ldm_validate_tocblocks(struct block_device *bdev,
-	unsigned long base, struct ldmdb *ldb)
+static bool ldm_validate_tocblocks(struct parsed_partitions *state,
+				   unsigned long base, struct ldmdb *ldb)
 {
 	static const int off[4] = { OFF_TOCB1, OFF_TOCB2, OFF_TOCB3, OFF_TOCB4};
 	struct tocblock *tb[4];
@@ -420,7 +420,7 @@ static bool ldm_validate_tocblocks(struct block_device *bdev,
 	int i, nr_tbs;
 	bool result = false;
 
-	BUG_ON(!bdev || !ldb);
+	BUG_ON(!state || !ldb);
 	ph = &ldb->ph;
 	tb[0] = &ldb->toc;
 	tb[1] = kmalloc(sizeof(*tb[1]) * 3, GFP_KERNEL);
@@ -437,7 +437,7 @@ static bool ldm_validate_tocblocks(struct block_device *bdev,
 	 * skip any that fail as long as we get at least one valid TOCBLOCK.
 	 */
 	for (nr_tbs = i = 0; i < 4; i++) {
-		data = read_dev_sector(bdev, base + off[i], &sect);
+		data = read_part_sector(state, base + off[i], &sect);
 		if (!data) {
 			ldm_error("Disk read failed for TOCBLOCK %d.", i);
 			continue;
@@ -473,7 +473,7 @@ err:
 
 /**
  * ldm_validate_vmdb - Read the VMDB and validate it
- * @bdev:  Device holding the LDM Database
+ * @state: Partition check state including device holding the LDM Database
  * @base:  Offset, into @bdev, of the database
  * @ldb:   Cache of the database structures
  *
@@ -483,8 +483,8 @@ err:
  * Return:  'true'   @ldb contains validated VBDB info
  *          'false'  @ldb contents are undefined
  */
-static bool ldm_validate_vmdb (struct block_device *bdev, unsigned long base,
-			       struct ldmdb *ldb)
+static bool ldm_validate_vmdb(struct parsed_partitions *state,
+			      unsigned long base, struct ldmdb *ldb)
 {
 	Sector sect;
 	u8 *data;
@@ -492,12 +492,12 @@ static bool ldm_validate_vmdb (struct block_device *bdev, unsigned long base,
 	struct vmdb *vm;
 	struct tocblock *toc;
 
-	BUG_ON (!bdev || !ldb);
+	BUG_ON (!state || !ldb);
 
 	vm  = &ldb->vm;
 	toc = &ldb->toc;
 
-	data = read_dev_sector (bdev, base + OFF_VMDB, &sect);
+	data = read_part_sector(state, base + OFF_VMDB, &sect);
 	if (!data) {
 		ldm_crit ("Disk read failed.");
 		return false;
@@ -534,21 +534,21 @@ out:
 
 /**
  * ldm_validate_partition_table - Determine whether bdev might be a dynamic disk
- * @bdev:  Device holding the LDM Database
+ * @state: Partition check state including device holding the LDM Database
  *
  * This function provides a weak test to decide whether the device is a dynamic
  * disk or not.  It looks for an MS-DOS-style partition table containing at
  * least one partition of type 0x42 (formerly SFS, now used by Windows for
  * dynamic disks).
  *
- * N.B.  The only possible error can come from the read_dev_sector and that is
+ * N.B.  The only possible error can come from the read_part_sector and that is
  *       only likely to happen if the underlying device is strange.  If that IS
  *       the case we should return zero to let someone else try.
  *
- * Return:  'true'   @bdev is a dynamic disk
- *          'false'  @bdev is not a dynamic disk, or an error occurred
+ * Return:  'true'   @state->bdev is a dynamic disk
+ *          'false'  @state->bdev is not a dynamic disk, or an error occurred
  */
-static bool ldm_validate_partition_table (struct block_device *bdev)
+static bool ldm_validate_partition_table(struct parsed_partitions *state)
 {
 	Sector sect;
 	u8 *data;
@@ -556,9 +556,9 @@ static bool ldm_validate_partition_table (struct block_device *bdev)
 	int i;
 	bool result = false;
 
-	BUG_ON (!bdev);
+	BUG_ON(!state);
 
-	data = read_dev_sector (bdev, 0, &sect);
+	data = read_part_sector(state, 0, &sect);
 	if (!data) {
 		ldm_crit ("Disk read failed.");
 		return false;
@@ -1391,8 +1391,8 @@ static bool ldm_frag_commit (struct list_head *frags, struct ldmdb *ldb)
 
 /**
  * ldm_get_vblks - Read the on-disk database of VBLKs into memory
- * @bdev:  Device holding the LDM Database
- * @base:  Offset, into @bdev, of the database
+ * @state: Partition check state including device holding the LDM Database
+ * @base:  Offset, into @state->bdev, of the database
  * @ldb:   Cache of the database structures
  *
  * To use the information from the VBLKs, they need to be read from the disk,
@@ -1401,8 +1401,8 @@ static bool ldm_frag_commit (struct list_head *frags, struct ldmdb *ldb)
  * Return:  'true'   All the VBLKs were read successfully
  *          'false'  An error occurred
  */
-static bool ldm_get_vblks (struct block_device *bdev, unsigned long base,
-			   struct ldmdb *ldb)
+static bool ldm_get_vblks(struct parsed_partitions *state, unsigned long base,
+			  struct ldmdb *ldb)
 {
 	int size, perbuf, skip, finish, s, v, recs;
 	u8 *data = NULL;
@@ -1410,7 +1410,7 @@ static bool ldm_get_vblks (struct block_device *bdev, unsigned long base,
 	bool result = false;
 	LIST_HEAD (frags);
 
-	BUG_ON (!bdev || !ldb);
+	BUG_ON(!state || !ldb);
 
 	size   = ldb->vm.vblk_size;
 	perbuf = 512 / size;
@@ -1418,7 +1418,7 @@ static bool ldm_get_vblks (struct block_device *bdev, unsigned long base,
 	finish = (size * ldb->vm.last_vblk_seq) >> 9;
 
 	for (s = skip; s < finish; s++) {		/* For each sector */
-		data = read_dev_sector (bdev, base + OFF_VMDB + s, &sect);
+		data = read_part_sector(state, base + OFF_VMDB + s, &sect);
 		if (!data) {
 			ldm_crit ("Disk read failed.");
 			goto out;
@@ -1474,8 +1474,7 @@ static void ldm_free_vblks (struct list_head *lh)
 
 /**
  * ldm_partition - Find out whether a device is a dynamic disk and handle it
- * @pp:    List of the partitions parsed so far
- * @bdev:  Device holding the LDM Database
+ * @state: Partition check state including device holding the LDM Database
  *
  * This determines whether the device @bdev is a dynamic disk and if so creates
  * the partitions necessary in the gendisk structure pointed to by @hd.
@@ -1485,21 +1484,21 @@ static void ldm_free_vblks (struct list_head *lh)
  * example, if the device is hda, we would have: hda1: LDM database, hda2, hda3,
  * and so on: the actual data containing partitions.
  *
- * Return:  1 Success, @bdev is a dynamic disk and we handled it
- *          0 Success, @bdev is not a dynamic disk
+ * Return:  1 Success, @state->bdev is a dynamic disk and we handled it
+ *          0 Success, @state->bdev is not a dynamic disk
  *         -1 An error occurred before enough information had been read
- *            Or @bdev is a dynamic disk, but it may be corrupted
+ *            Or @state->bdev is a dynamic disk, but it may be corrupted
  */
-int ldm_partition (struct parsed_partitions *pp, struct block_device *bdev)
+int ldm_partition(struct parsed_partitions *state)
 {
 	struct ldmdb  *ldb;
 	unsigned long base;
 	int result = -1;
 
-	BUG_ON (!pp || !bdev);
+	BUG_ON(!state);
 
 	/* Look for signs of a Dynamic Disk */
-	if (!ldm_validate_partition_table (bdev))
+	if (!ldm_validate_partition_table(state))
 		return 0;
 
 	ldb = kmalloc (sizeof (*ldb), GFP_KERNEL);
@@ -1509,15 +1508,15 @@ int ldm_partition (struct parsed_partitions *pp, struct block_device *bdev)
 	}
 
 	/* Parse and check privheads. */
-	if (!ldm_validate_privheads (bdev, &ldb->ph))
+	if (!ldm_validate_privheads(state, &ldb->ph))
 		goto out;		/* Already logged */
 
 	/* All further references are relative to base (database start). */
 	base = ldb->ph.config_start;
 
 	/* Parse and check tocs and vmdb. */
-	if (!ldm_validate_tocblocks (bdev, base, ldb) ||
-	    !ldm_validate_vmdb      (bdev, base, ldb))
+	if (!ldm_validate_tocblocks(state, base, ldb) ||
+	    !ldm_validate_vmdb(state, base, ldb))
 	    	goto out;		/* Already logged */
 
 	/* Initialize vblk lists in ldmdb struct */
@@ -1527,13 +1526,13 @@ int ldm_partition (struct parsed_partitions *pp, struct block_device *bdev)
 	INIT_LIST_HEAD (&ldb->v_comp);
 	INIT_LIST_HEAD (&ldb->v_part);
 
-	if (!ldm_get_vblks (bdev, base, ldb)) {
+	if (!ldm_get_vblks(state, base, ldb)) {
 		ldm_crit ("Failed to read the VBLKs from the database.");
 		goto cleanup;
 	}
 
 	/* Finally, create the data partition devices. */
-	if (ldm_create_data_partitions (pp, ldb)) {
+	if (ldm_create_data_partitions(state, ldb)) {
 		ldm_debug ("Parsed LDM database successfully.");
 		result = 1;
 	}
diff --git a/fs/partitions/ldm.h b/fs/partitions/ldm.h
index 30e08e809c1..d1fb50b28d8 100644
--- a/fs/partitions/ldm.h
+++ b/fs/partitions/ldm.h
@@ -209,7 +209,7 @@ struct ldmdb {				/* Cache of the database */
 	struct list_head v_part;
 };
 
-int ldm_partition (struct parsed_partitions *state, struct block_device *bdev);
+int ldm_partition(struct parsed_partitions *state);
 
 #endif /* _FS_PT_LDM_H_ */
 
diff --git a/fs/partitions/mac.c b/fs/partitions/mac.c
index d4a0fad3563..13e27b0082f 100644
--- a/fs/partitions/mac.c
+++ b/fs/partitions/mac.c
@@ -27,7 +27,7 @@ static inline void mac_fix_string(char *stg, int len)
 		stg[i] = 0;
 }
 
-int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
+int mac_partition(struct parsed_partitions *state)
 {
 	int slot = 1;
 	Sector sect;
@@ -42,7 +42,7 @@ int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
 	struct mac_driver_desc *md;
 
 	/* Get 0th block and look at the first partition map entry. */
-	md = (struct mac_driver_desc *) read_dev_sector(bdev, 0, &sect);
+	md = read_part_sector(state, 0, &sect);
 	if (!md)
 		return -1;
 	if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) {
@@ -51,7 +51,7 @@ int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
 	}
 	secsize = be16_to_cpu(md->block_size);
 	put_dev_sector(sect);
-	data = read_dev_sector(bdev, secsize/512, &sect);
+	data = read_part_sector(state, secsize/512, &sect);
 	if (!data)
 		return -1;
 	part = (struct mac_partition *) (data + secsize%512);
@@ -64,7 +64,7 @@ int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
 	for (blk = 1; blk <= blocks_in_map; ++blk) {
 		int pos = blk * secsize;
 		put_dev_sector(sect);
-		data = read_dev_sector(bdev, pos/512, &sect);
+		data = read_part_sector(state, pos/512, &sect);
 		if (!data)
 			return -1;
 		part = (struct mac_partition *) (data + pos%512);
@@ -123,7 +123,8 @@ int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
 	}
 #ifdef CONFIG_PPC_PMAC
 	if (found_root_goodness)
-		note_bootable_part(bdev->bd_dev, found_root, found_root_goodness);
+		note_bootable_part(state->bdev->bd_dev, found_root,
+				   found_root_goodness);
 #endif
 
 	put_dev_sector(sect);
diff --git a/fs/partitions/mac.h b/fs/partitions/mac.h
index bbf26e1386f..3c7d9843638 100644
--- a/fs/partitions/mac.h
+++ b/fs/partitions/mac.h
@@ -41,4 +41,4 @@ struct mac_driver_desc {
     /* ... more stuff */
 };
 
-int mac_partition(struct parsed_partitions *state, struct block_device *bdev);
+int mac_partition(struct parsed_partitions *state);
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c
index 90be97f1f5a..645a68d8c05 100644
--- a/fs/partitions/msdos.c
+++ b/fs/partitions/msdos.c
@@ -64,7 +64,7 @@ msdos_magic_present(unsigned char *p)
 #define AIX_LABEL_MAGIC2	0xC2
 #define AIX_LABEL_MAGIC3	0xD4
 #define AIX_LABEL_MAGIC4	0xC1
-static int aix_magic_present(unsigned char *p, struct block_device *bdev)
+static int aix_magic_present(struct parsed_partitions *state, unsigned char *p)
 {
 	struct partition *pt = (struct partition *) (p + 0x1be);
 	Sector sect;
@@ -85,7 +85,7 @@ static int aix_magic_present(unsigned char *p, struct block_device *bdev)
 			is_extended_partition(pt))
 			return 0;
 	}
-	d = read_dev_sector(bdev, 7, &sect);
+	d = read_part_sector(state, 7, &sect);
 	if (d) {
 		if (d[0] == '_' && d[1] == 'L' && d[2] == 'V' && d[3] == 'M')
 			ret = 1;
@@ -105,15 +105,14 @@ static int aix_magic_present(unsigned char *p, struct block_device *bdev)
  * only for the actual data partitions.
  */
 
-static void
-parse_extended(struct parsed_partitions *state, struct block_device *bdev,
-			sector_t first_sector, sector_t first_size)
+static void parse_extended(struct parsed_partitions *state,
+			   sector_t first_sector, sector_t first_size)
 {
 	struct partition *p;
 	Sector sect;
 	unsigned char *data;
 	sector_t this_sector, this_size;
-	sector_t sector_size = bdev_logical_block_size(bdev) / 512;
+	sector_t sector_size = bdev_logical_block_size(state->bdev) / 512;
 	int loopct = 0;		/* number of links followed
 				   without finding a data partition */
 	int i;
@@ -126,7 +125,7 @@ parse_extended(struct parsed_partitions *state, struct block_device *bdev,
 			return;
 		if (state->next == state->limit)
 			return;
-		data = read_dev_sector(bdev, this_sector, &sect);
+		data = read_part_sector(state, this_sector, &sect);
 		if (!data)
 			return;
 
@@ -198,9 +197,8 @@ done:
 /* james@bpgc.com: Solaris has a nasty indicator: 0x82 which also
    indicates linux swap.  Be careful before believing this is Solaris. */
 
-static void
-parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev,
-			sector_t offset, sector_t size, int origin)
+static void parse_solaris_x86(struct parsed_partitions *state,
+			      sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_SOLARIS_X86_PARTITION
 	Sector sect;
@@ -208,7 +206,7 @@ parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev,
 	int i;
 	short max_nparts;
 
-	v = (struct solaris_x86_vtoc *)read_dev_sector(bdev, offset+1, &sect);
+	v = read_part_sector(state, offset + 1, &sect);
 	if (!v)
 		return;
 	if (le32_to_cpu(v->v_sanity) != SOLARIS_X86_VTOC_SANE) {
@@ -245,16 +243,15 @@ parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev,
  * Create devices for BSD partitions listed in a disklabel, under a
  * dos-like partition. See parse_extended() for more information.
  */
-static void
-parse_bsd(struct parsed_partitions *state, struct block_device *bdev,
-		sector_t offset, sector_t size, int origin, char *flavour,
-		int max_partitions)
+static void parse_bsd(struct parsed_partitions *state,
+		      sector_t offset, sector_t size, int origin, char *flavour,
+		      int max_partitions)
 {
 	Sector sect;
 	struct bsd_disklabel *l;
 	struct bsd_partition *p;
 
-	l = (struct bsd_disklabel *)read_dev_sector(bdev, offset+1, &sect);
+	l = read_part_sector(state, offset + 1, &sect);
 	if (!l)
 		return;
 	if (le32_to_cpu(l->d_magic) != BSD_DISKMAGIC) {
@@ -291,33 +288,28 @@ parse_bsd(struct parsed_partitions *state, struct block_device *bdev,
 }
 #endif
 
-static void
-parse_freebsd(struct parsed_partitions *state, struct block_device *bdev,
-		sector_t offset, sector_t size, int origin)
+static void parse_freebsd(struct parsed_partitions *state,
+			  sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_BSD_DISKLABEL
-	parse_bsd(state, bdev, offset, size, origin,
-			"bsd", BSD_MAXPARTITIONS);
+	parse_bsd(state, offset, size, origin, "bsd", BSD_MAXPARTITIONS);
 #endif
 }
 
-static void
-parse_netbsd(struct parsed_partitions *state, struct block_device *bdev,
-		sector_t offset, sector_t size, int origin)
+static void parse_netbsd(struct parsed_partitions *state,
+			 sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_BSD_DISKLABEL
-	parse_bsd(state, bdev, offset, size, origin,
-			"netbsd", BSD_MAXPARTITIONS);
+	parse_bsd(state, offset, size, origin, "netbsd", BSD_MAXPARTITIONS);
 #endif
 }
 
-static void
-parse_openbsd(struct parsed_partitions *state, struct block_device *bdev,
-		sector_t offset, sector_t size, int origin)
+static void parse_openbsd(struct parsed_partitions *state,
+			  sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_BSD_DISKLABEL
-	parse_bsd(state, bdev, offset, size, origin,
-			"openbsd", OPENBSD_MAXPARTITIONS);
+	parse_bsd(state, offset, size, origin, "openbsd",
+		  OPENBSD_MAXPARTITIONS);
 #endif
 }
 
@@ -325,16 +317,15 @@ parse_openbsd(struct parsed_partitions *state, struct block_device *bdev,
  * Create devices for Unixware partitions listed in a disklabel, under a
  * dos-like partition. See parse_extended() for more information.
  */
-static void
-parse_unixware(struct parsed_partitions *state, struct block_device *bdev,
-		sector_t offset, sector_t size, int origin)
+static void parse_unixware(struct parsed_partitions *state,
+			   sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_UNIXWARE_DISKLABEL
 	Sector sect;
 	struct unixware_disklabel *l;
 	struct unixware_slice *p;
 
-	l = (struct unixware_disklabel *)read_dev_sector(bdev, offset+29, &sect);
+	l = read_part_sector(state, offset + 29, &sect);
 	if (!l)
 		return;
 	if (le32_to_cpu(l->d_magic) != UNIXWARE_DISKMAGIC ||
@@ -365,9 +356,8 @@ parse_unixware(struct parsed_partitions *state, struct block_device *bdev,
  * Anand Krishnamurthy <anandk@wiproge.med.ge.com>
  * Rajeev V. Pillai    <rajeevvp@yahoo.com>
  */
-static void
-parse_minix(struct parsed_partitions *state, struct block_device *bdev,
-		sector_t offset, sector_t size, int origin)
+static void parse_minix(struct parsed_partitions *state,
+			sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_MINIX_SUBPARTITION
 	Sector sect;
@@ -375,7 +365,7 @@ parse_minix(struct parsed_partitions *state, struct block_device *bdev,
 	struct partition *p;
 	int i;
 
-	data = read_dev_sector(bdev, offset, &sect);
+	data = read_part_sector(state, offset, &sect);
 	if (!data)
 		return;
 
@@ -404,8 +394,7 @@ parse_minix(struct parsed_partitions *state, struct block_device *bdev,
 
 static struct {
 	unsigned char id;
-	void (*parse)(struct parsed_partitions *, struct block_device *,
-			sector_t, sector_t, int);
+	void (*parse)(struct parsed_partitions *, sector_t, sector_t, int);
 } subtypes[] = {
 	{FREEBSD_PARTITION, parse_freebsd},
 	{NETBSD_PARTITION, parse_netbsd},
@@ -417,16 +406,16 @@ static struct {
 	{0, NULL},
 };
  
-int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
+int msdos_partition(struct parsed_partitions *state)
 {
-	sector_t sector_size = bdev_logical_block_size(bdev) / 512;
+	sector_t sector_size = bdev_logical_block_size(state->bdev) / 512;
 	Sector sect;
 	unsigned char *data;
 	struct partition *p;
 	struct fat_boot_sector *fb;
 	int slot;
 
-	data = read_dev_sector(bdev, 0, &sect);
+	data = read_part_sector(state, 0, &sect);
 	if (!data)
 		return -1;
 	if (!msdos_magic_present(data + 510)) {
@@ -434,7 +423,7 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
 		return 0;
 	}
 
-	if (aix_magic_present(data, bdev)) {
+	if (aix_magic_present(state, data)) {
 		put_dev_sector(sect);
 		printk( " [AIX]");
 		return 0;
@@ -503,7 +492,7 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
 			put_partition(state, slot, start, n);
 
 			printk(" <");
-			parse_extended(state, bdev, start, size);
+			parse_extended(state, start, size);
 			printk(" >");
 			continue;
 		}
@@ -532,8 +521,8 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
 
 		if (!subtypes[n].parse)
 			continue;
-		subtypes[n].parse(state, bdev, start_sect(p)*sector_size,
-						nr_sects(p)*sector_size, slot);
+		subtypes[n].parse(state, start_sect(p) * sector_size,
+				  nr_sects(p) * sector_size, slot);
 	}
 	put_dev_sector(sect);
 	return 1;
diff --git a/fs/partitions/msdos.h b/fs/partitions/msdos.h
index 01e5e0b6902..38c781c490b 100644
--- a/fs/partitions/msdos.h
+++ b/fs/partitions/msdos.h
@@ -4,5 +4,5 @@
 
 #define MSDOS_LABEL_MAGIC		0xAA55
 
-int msdos_partition(struct parsed_partitions *state, struct block_device *bdev);
+int msdos_partition(struct parsed_partitions *state);
 
diff --git a/fs/partitions/osf.c b/fs/partitions/osf.c
index c05c17bc5df..fc22b85d436 100644
--- a/fs/partitions/osf.c
+++ b/fs/partitions/osf.c
@@ -10,7 +10,7 @@
 #include "check.h"
 #include "osf.h"
 
-int osf_partition(struct parsed_partitions *state, struct block_device *bdev)
+int osf_partition(struct parsed_partitions *state)
 {
 	int i;
 	int slot = 1;
@@ -49,7 +49,7 @@ int osf_partition(struct parsed_partitions *state, struct block_device *bdev)
 	} * label;
 	struct d_partition * partition;
 
-	data = read_dev_sector(bdev, 0, &sect);
+	data = read_part_sector(state, 0, &sect);
 	if (!data)
 		return -1;
 
diff --git a/fs/partitions/osf.h b/fs/partitions/osf.h
index 427b8eab314..20ed2315ec1 100644
--- a/fs/partitions/osf.h
+++ b/fs/partitions/osf.h
@@ -4,4 +4,4 @@
 
 #define DISKLABELMAGIC (0x82564557UL)
 
-int osf_partition(struct parsed_partitions *state, struct block_device *bdev);
+int osf_partition(struct parsed_partitions *state);
diff --git a/fs/partitions/sgi.c b/fs/partitions/sgi.c
index ed5ac83fe83..43b1df9aa16 100644
--- a/fs/partitions/sgi.c
+++ b/fs/partitions/sgi.c
@@ -27,7 +27,7 @@ struct sgi_disklabel {
 	__be32 _unused1;			/* Padding */
 };
 
-int sgi_partition(struct parsed_partitions *state, struct block_device *bdev)
+int sgi_partition(struct parsed_partitions *state)
 {
 	int i, csum;
 	__be32 magic;
@@ -39,7 +39,7 @@ int sgi_partition(struct parsed_partitions *state, struct block_device *bdev)
 	struct sgi_partition *p;
 	char b[BDEVNAME_SIZE];
 
-	label = (struct sgi_disklabel *) read_dev_sector(bdev, 0, &sect);
+	label = read_part_sector(state, 0, &sect);
 	if (!label)
 		return -1;
 	p = &label->partitions[0];
@@ -57,7 +57,7 @@ int sgi_partition(struct parsed_partitions *state, struct block_device *bdev)
 	}
 	if(csum) {
 		printk(KERN_WARNING "Dev %s SGI disklabel: csum bad, label corrupted\n",
-		       bdevname(bdev, b));
+		       bdevname(state->bdev, b));
 		put_dev_sector(sect);
 		return 0;
 	}
diff --git a/fs/partitions/sgi.h b/fs/partitions/sgi.h
index 5d5595c0992..b9553ebdd5a 100644
--- a/fs/partitions/sgi.h
+++ b/fs/partitions/sgi.h
@@ -2,7 +2,7 @@
  *  fs/partitions/sgi.h
  */
 
-extern int sgi_partition(struct parsed_partitions *state, struct block_device *bdev);
+extern int sgi_partition(struct parsed_partitions *state);
 
 #define SGI_LABEL_MAGIC 0x0be5a941
 
diff --git a/fs/partitions/sun.c b/fs/partitions/sun.c
index c95e6a62c01..a32660e25f7 100644
--- a/fs/partitions/sun.c
+++ b/fs/partitions/sun.c
@@ -10,7 +10,7 @@
 #include "check.h"
 #include "sun.h"
 
-int sun_partition(struct parsed_partitions *state, struct block_device *bdev)
+int sun_partition(struct parsed_partitions *state)
 {
 	int i;
 	__be16 csum;
@@ -61,7 +61,7 @@ int sun_partition(struct parsed_partitions *state, struct block_device *bdev)
 	int use_vtoc;
 	int nparts;
 
-	label = (struct sun_disklabel *)read_dev_sector(bdev, 0, &sect);
+	label = read_part_sector(state, 0, &sect);
 	if (!label)
 		return -1;
 
@@ -78,7 +78,7 @@ int sun_partition(struct parsed_partitions *state, struct block_device *bdev)
 		csum ^= *ush--;
 	if (csum) {
 		printk("Dev %s Sun disklabel: Csum bad, label corrupted\n",
-		       bdevname(bdev, b));
+		       bdevname(state->bdev, b));
 		put_dev_sector(sect);
 		return 0;
 	}
diff --git a/fs/partitions/sun.h b/fs/partitions/sun.h
index 7f864d1f86d..2424baa8319 100644
--- a/fs/partitions/sun.h
+++ b/fs/partitions/sun.h
@@ -5,4 +5,4 @@
 #define SUN_LABEL_MAGIC          0xDABE
 #define SUN_VTOC_SANITY          0x600DDEEE
 
-int sun_partition(struct parsed_partitions *state, struct block_device *bdev);
+int sun_partition(struct parsed_partitions *state);
diff --git a/fs/partitions/sysv68.c b/fs/partitions/sysv68.c
index 4eba27b7864..9030c864428 100644
--- a/fs/partitions/sysv68.c
+++ b/fs/partitions/sysv68.c
@@ -46,7 +46,7 @@ struct slice {
 };
 
 
-int sysv68_partition(struct parsed_partitions *state, struct block_device *bdev)
+int sysv68_partition(struct parsed_partitions *state)
 {
 	int i, slices;
 	int slot = 1;
@@ -55,7 +55,7 @@ int sysv68_partition(struct parsed_partitions *state, struct block_device *bdev)
 	struct dkblk0 *b;
 	struct slice *slice;
 
-	data = read_dev_sector(bdev, 0, &sect);
+	data = read_part_sector(state, 0, &sect);
 	if (!data)
 		return -1;
 
@@ -68,7 +68,7 @@ int sysv68_partition(struct parsed_partitions *state, struct block_device *bdev)
 	i = be32_to_cpu(b->dk_ios.ios_slcblk);
 	put_dev_sector(sect);
 
-	data = read_dev_sector(bdev, i, &sect);
+	data = read_part_sector(state, i, &sect);
 	if (!data)
 		return -1;
 
diff --git a/fs/partitions/sysv68.h b/fs/partitions/sysv68.h
index fa733f68431..bf2f5ffa97a 100644
--- a/fs/partitions/sysv68.h
+++ b/fs/partitions/sysv68.h
@@ -1 +1 @@
-extern int sysv68_partition(struct parsed_partitions *state, struct block_device *bdev);
+extern int sysv68_partition(struct parsed_partitions *state);
diff --git a/fs/partitions/ultrix.c b/fs/partitions/ultrix.c
index ec852c11dce..db9eef26036 100644
--- a/fs/partitions/ultrix.c
+++ b/fs/partitions/ultrix.c
@@ -9,7 +9,7 @@
 #include "check.h"
 #include "ultrix.h"
 
-int ultrix_partition(struct parsed_partitions *state, struct block_device *bdev)
+int ultrix_partition(struct parsed_partitions *state)
 {
 	int i;
 	Sector sect;
@@ -26,7 +26,7 @@ int ultrix_partition(struct parsed_partitions *state, struct block_device *bdev)
 #define PT_MAGIC	0x032957	/* Partition magic number */
 #define PT_VALID	1		/* Indicates if struct is valid */
 
-	data = read_dev_sector(bdev, (16384 - sizeof(*label))/512, &sect);
+	data = read_part_sector(state, (16384 - sizeof(*label))/512, &sect);
 	if (!data)
 		return -1;
 	
diff --git a/fs/partitions/ultrix.h b/fs/partitions/ultrix.h
index a74bf8e2d37..a3cc00b2bde 100644
--- a/fs/partitions/ultrix.h
+++ b/fs/partitions/ultrix.h
@@ -2,4 +2,4 @@
  *  fs/partitions/ultrix.h
  */
 
-int ultrix_partition(struct parsed_partitions *state, struct block_device *bdev);
+int ultrix_partition(struct parsed_partitions *state);

From b403a98e260f3a8c7c33f58a07c7ae549852170f Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sat, 15 May 2010 20:09:31 +0200
Subject: [PATCH 2612/3638] block: improve automatic native capacity unlocking

Currently, native capacity unlocking is initiated only when a
recognized partition extends beyond the end of the disk.  However,
there are several other unhandled cases where truncated capacity can
lead to misdetection of partitions.

* Partition table is fully beyond EOD.

* Partition table is partially beyond EOD (daisy chained ones).

* Recognized partition starts beyond EOD.

This patch updates generic partition check code such that all the
above three cases are handled too.  For the first two, @state tracks
whether low level partition check code tried to read beyond EOD during
partition scan and triggers native capacity unlocking accordingly.
The third is now handled similarly to the original unlocking case.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/partitions/check.c | 69 ++++++++++++++++++++++++++++++++++---------
 fs/partitions/check.h |  5 ++++
 2 files changed, 60 insertions(+), 14 deletions(-)

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index a19995c6f6a..5dcd4b0c553 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -161,7 +161,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
 	struct parsed_partitions *state;
 	int i, res, err;
 
-	state = kmalloc(sizeof(struct parsed_partitions), GFP_KERNEL);
+	state = kzalloc(sizeof(struct parsed_partitions), GFP_KERNEL);
 	if (!state)
 		return NULL;
 
@@ -187,6 +187,8 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
 	}
 	if (res > 0)
 		return state;
+	if (state->access_beyond_eod)
+		err = -ENOSPC;
 	if (err)
 	/* The partition is unrecognized. So report I/O errors if there were any */
 		res = err;
@@ -539,13 +541,34 @@ exit:
 	disk_part_iter_exit(&piter);
 }
 
+static bool disk_unlock_native_capacity(struct gendisk *disk)
+{
+	const struct block_device_operations *bdops = disk->fops;
+
+	if (bdops->unlock_native_capacity &&
+	    !(disk->flags & GENHD_FL_NATIVE_CAPACITY)) {
+		printk(KERN_CONT "enabling native capacity\n");
+		bdops->unlock_native_capacity(disk);
+		disk->flags |= GENHD_FL_NATIVE_CAPACITY;
+		return true;
+	} else {
+		printk(KERN_CONT "truncated\n");
+		return false;
+	}
+}
+
 int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
 {
+	struct parsed_partitions *state = NULL;
 	struct disk_part_iter piter;
 	struct hd_struct *part;
-	struct parsed_partitions *state;
 	int p, highest, res;
 rescan:
+	if (state && !IS_ERR(state)) {
+		kfree(state);
+		state = NULL;
+	}
+
 	if (bdev->bd_part_count)
 		return -EBUSY;
 	res = invalidate_partition(disk, 0);
@@ -563,8 +586,32 @@ rescan:
 	bdev->bd_invalidated = 0;
 	if (!get_capacity(disk) || !(state = check_partition(disk, bdev)))
 		return 0;
-	if (IS_ERR(state))	/* I/O error reading the partition table */
+	if (IS_ERR(state)) {
+		/*
+		 * I/O error reading the partition table.  If any
+		 * partition code tried to read beyond EOD, retry
+		 * after unlocking native capacity.
+		 */
+		if (PTR_ERR(state) == -ENOSPC) {
+			printk(KERN_WARNING "%s: partition table beyond EOD, ",
+			       disk->disk_name);
+			if (disk_unlock_native_capacity(disk))
+				goto rescan;
+		}
 		return -EIO;
+	}
+	/*
+	 * If any partition code tried to read beyond EOD, try
+	 * unlocking native capacity even if partition table is
+	 * sucessfully read as we could be missing some partitions.
+	 */
+	if (state->access_beyond_eod) {
+		printk(KERN_WARNING
+		       "%s: partition table partially beyond EOD, ",
+		       disk->disk_name);
+		if (disk_unlock_native_capacity(disk))
+			goto rescan;
+	}
 
 	/* tell userspace that the media / partition table may have changed */
 	kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE);
@@ -590,25 +637,20 @@ rescan:
 		from = state->parts[p].from;
 		if (from >= get_capacity(disk)) {
 			printk(KERN_WARNING
-			       "%s: p%d ignored, start %llu is behind the end of the disk\n",
+			       "%s: p%d start %llu is beyond EOD, ",
 			       disk->disk_name, p, (unsigned long long) from);
+			if (disk_unlock_native_capacity(disk))
+				goto rescan;
 			continue;
 		}
 
 		if (from + size > get_capacity(disk)) {
-			const struct block_device_operations *bdops = disk->fops;
-
 			printk(KERN_WARNING
-			       "%s: p%d size %llu exceeds device capacity, ",
+			       "%s: p%d size %llu extends beyond EOD, ",
 			       disk->disk_name, p, (unsigned long long) size);
 
-			if (bdops->unlock_native_capacity &&
-			    (disk->flags & GENHD_FL_NATIVE_CAPACITY) == 0) {
-				printk(KERN_CONT "enabling native capacity\n");
-				bdops->unlock_native_capacity(disk);
-				disk->flags |= GENHD_FL_NATIVE_CAPACITY;
+			if (disk_unlock_native_capacity(disk)) {
 				/* free state and restart */
-				kfree(state);
 				goto rescan;
 			} else {
 				/*
@@ -617,7 +659,6 @@ rescan:
 				 * we limit them to the end of the disk to avoid
 				 * creating invalid block devices
 				 */
-				printk(KERN_CONT "limited to end of disk\n");
 				size = get_capacity(disk) - from;
 			}
 		}
diff --git a/fs/partitions/check.h b/fs/partitions/check.h
index 4b31a97775b..52f8bd39939 100644
--- a/fs/partitions/check.h
+++ b/fs/partitions/check.h
@@ -15,11 +15,16 @@ struct parsed_partitions {
 	} parts[DISK_MAX_PARTS];
 	int next;
 	int limit;
+	bool access_beyond_eod;
 };
 
 static inline void *read_part_sector(struct parsed_partitions *state,
 				     sector_t n, Sector *p)
 {
+	if (n >= get_capacity(state->bdev->bd_disk)) {
+		state->access_beyond_eod = true;
+		return NULL;
+	}
 	return read_dev_sector(state->bdev, n, p);
 }
 

From c2c4986eddaa7dc3d036cb2bfa5c8c5f1f2492a0 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 20 May 2010 09:18:47 +0200
Subject: [PATCH 2613/3638] writeback: fix problem with !CONFIG_BLOCK
 compilation

When CONFIG_BLOCK isn't enabled:

mm/page-writeback.c: In function 'laptop_mode_timer_fn':
mm/page-writeback.c:708: error: dereferencing pointer to incomplete type
mm/page-writeback.c:709: error: dereferencing pointer to incomplete type

Fix this by essentially eliminating the laptop sync handlers when
CONFIG_BLOCK isn't set, as most are only used from the block layer code.
The exception is laptop_sync_completion() which is used from sys_sync(),
make that an empty declaration in that case.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/super.c                | 1 +
 include/linux/writeback.h | 4 ++++
 mm/page-writeback.c       | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/fs/super.c b/fs/super.c
index dc72491a19f..1527e6a0ee3 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -37,6 +37,7 @@
 #include <linux/kobject.h>
 #include <linux/mutex.h>
 #include <linux/file.h>
+#include <linux/backing-dev.h>
 #include <asm/uaccess.h>
 #include "internal.h"
 
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 47e1c686cb0..cc97d6caf2b 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -106,10 +106,14 @@ static inline void inode_sync_wait(struct inode *inode)
 /*
  * mm/page-writeback.c
  */
+#ifdef CONFIG_BLOCK
 void laptop_io_completion(struct backing_dev_info *info);
 void laptop_sync_completion(void);
 void laptop_mode_sync(struct work_struct *work);
 void laptop_mode_timer_fn(unsigned long data);
+#else
+static inline void laptop_sync_completion(void) { }
+#endif
 void throttle_vm_writeout(gfp_t gfp_mask);
 
 /* These are exported to sysctl. */
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 0d7bbe85955..9886424e186 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -694,6 +694,7 @@ int dirty_writeback_centisecs_handler(ctl_table *table, int write,
 	return 0;
 }
 
+#ifdef CONFIG_BLOCK
 void laptop_mode_timer_fn(unsigned long data)
 {
 	struct request_queue *q = (struct request_queue *)data;
@@ -735,6 +736,7 @@ void laptop_sync_completion(void)
 
 	rcu_read_unlock();
 }
+#endif
 
 /*
  * If ratelimit_pages is too high then we can get into dirty-data overload

From df96e96f76571c30d903829a7b2ab2b421028790 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Fri, 21 May 2010 20:01:54 +0200
Subject: [PATCH 2614/3638] writeback: fix mixed up arguments to
 bdi_start_writeback()

The laptop mode timer had the nr_pages and sb_locked arguments
mixed up.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 mm/page-writeback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 9886424e186..b289310e2c8 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -707,7 +707,7 @@ void laptop_mode_timer_fn(unsigned long data)
 	 */
 
 	if (bdi_has_dirty_io(&q->backing_dev_info))
-		bdi_start_writeback(&q->backing_dev_info, NULL, 0, nr_pages);
+		bdi_start_writeback(&q->backing_dev_info, NULL, nr_pages, 0);
 }
 
 /*

From 31a31dccdd308d5ec7f9a1197a7875a246a348dc Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 19 May 2010 16:28:28 +0200
Subject: [PATCH 2615/3638] drbd: Do not Oops when C_STANDALONE when uuid gets
 generated

Got introduces with

commit 0c3f34516e8c5a1a0ba3585a7777d32bbbdf4ecb
Author: Philipp Reisner <philipp.reisner@linbit.com>
Date:   Mon May 17 16:10:43 2010 +0200

    drbd: Create new current UUID as late as possible

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 drivers/block/drbd/drbd_main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index c144509011b..7e057b074bb 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1354,7 +1354,10 @@ static int w_new_current_uuid(struct drbd_conf *mdev, struct drbd_work *w, int c
 {
 	if (get_ldev(mdev)) {
 		drbd_uuid_new_current(mdev);
-		drbd_send_uuids(mdev);
+		if (get_net_conf(mdev)) {
+			drbd_send_uuids(mdev);
+			put_net_conf(mdev);
+		}
 		drbd_md_sync(mdev);
 		put_ldev(mdev);
 	}

From 4604d6366859f781ad16c07a6c65b16fc96e26c5 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 19 May 2010 17:37:02 +0200
Subject: [PATCH 2616/3638] drbd: Ensure to not trigger late-new-UUID creation
 multiple times

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 drivers/block/drbd/drbd_main.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 7e057b074bb..a949fc45f7e 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1217,7 +1217,8 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 		mdev->p_uuid = NULL;
 		if (get_ldev(mdev)) {
 			if ((ns.role == R_PRIMARY || ns.peer == R_PRIMARY) &&
-			    mdev->ldev->md.uuid[UI_BITMAP] == 0 && ns.disk >= D_UP_TO_DATE)
+			    mdev->ldev->md.uuid[UI_BITMAP] == 0 && ns.disk >= D_UP_TO_DATE &&
+			    !atomic_read(&mdev->new_c_uuid))
 				atomic_set(&mdev->new_c_uuid, 2);
 			put_ldev(mdev);
 		}
@@ -1225,7 +1226,8 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 
 	if (ns.pdsk < D_INCONSISTENT && get_ldev(mdev)) {
 		/* Diskless peer becomes primary or got connected do diskless, primary peer. */
-		if (ns.peer == R_PRIMARY && mdev->ldev->md.uuid[UI_BITMAP] == 0)
+		if (ns.peer == R_PRIMARY && mdev->ldev->md.uuid[UI_BITMAP] == 0 &&
+		    !atomic_read(&mdev->new_c_uuid))
 			atomic_set(&mdev->new_c_uuid, 2);
 
 		/* D_DISKLESS Peer becomes secondary */
@@ -1353,12 +1355,14 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 static int w_new_current_uuid(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 {
 	if (get_ldev(mdev)) {
-		drbd_uuid_new_current(mdev);
-		if (get_net_conf(mdev)) {
-			drbd_send_uuids(mdev);
-			put_net_conf(mdev);
+		if (mdev->ldev->md.uuid[UI_BITMAP] == 0) {
+			drbd_uuid_new_current(mdev);
+			if (get_net_conf(mdev)) {
+				drbd_send_uuids(mdev);
+				put_net_conf(mdev);
+			}
+			drbd_md_sync(mdev);
 		}
-		drbd_md_sync(mdev);
 		put_ldev(mdev);
 	}
 	atomic_dec(&mdev->new_c_uuid);

From fc8ce1941d668c70e57a07f13f5a63e73e5dbff3 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Thu, 20 May 2010 10:04:17 +0200
Subject: [PATCH 2617/3638] drbd: Fix: Do not detach, if a bio with a barrier
 fails

Introduced a few days ago:
  commit 45bb912bd5ea4d2b3a270a93cbdf767a0e2df6f5
  Author: Lars Ellenberg <lars.ellenberg@linbit.com>
  Date:   Fri May 14 17:10:48 2010 +0200

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 drivers/block/drbd/drbd_worker.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 91085c1ab52..15c96207e62 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -127,7 +127,7 @@ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(lo
 		drbd_bump_write_ordering(mdev, WO_bdev_flush);
 		spin_lock_irqsave(&mdev->req_lock, flags);
 		list_del(&e->w.list);
-		e->flags |= EE_RESUBMITTED;
+		e->flags = (e->flags & ~EE_WAS_ERROR) | EE_RESUBMITTED;
 		e->w.cb = w_e_reissue;
 		/* put_ldev actually happens below, once we come here again. */
 		__release(local);

From 23ce422748def9652fdc019f740cd7900fa2fe3b Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Thu, 20 May 2010 13:35:31 +0200
Subject: [PATCH 2618/3638] drbd: Null pointer deref fix to the large "multi
 bio rewrite"

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 drivers/block/drbd/drbd_receiver.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 461d9872d4d..bc9ab7fb2cc 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -98,6 +98,10 @@ static struct page *page_chain_del(struct page **head, int n)
 	BUG_ON(!head);
 
 	page = *head;
+
+	if (!page)
+		return NULL;
+
 	while (page) {
 		tmp = page_chain_next(page);
 		if (--n == 0)

From 4e23a59ed1c5f12e14f7899855f8379b3d42e578 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Thu, 20 May 2010 14:45:07 +0200
Subject: [PATCH 2619/3638] drbd: Do not free p_uuid early, this is done in the
 exit code of the receiver

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 drivers/block/drbd/drbd_main.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index a949fc45f7e..be2d2da9cdb 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1213,8 +1213,6 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 	&&  (ns.pdsk < D_INCONSISTENT ||
 	     ns.pdsk == D_UNKNOWN ||
 	     ns.pdsk == D_OUTDATED)) {
-		kfree(mdev->p_uuid);
-		mdev->p_uuid = NULL;
 		if (get_ldev(mdev)) {
 			if ((ns.role == R_PRIMARY || ns.peer == R_PRIMARY) &&
 			    mdev->ldev->md.uuid[UI_BITMAP] == 0 && ns.disk >= D_UP_TO_DATE &&

From 3d42b3612891baecf709d93f28655a6882a65d41 Mon Sep 17 00:00:00 2001
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Thu, 20 May 2010 12:14:54 +0200
Subject: [PATCH 2620/3638] drbd: This is now equivalent to drbd release
 8.3.8rc1

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 include/linux/drbd.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 7944dd36ee3..68530521ad0 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -53,10 +53,10 @@
 
 
 extern const char *drbd_buildtag(void);
-#define REL_VERSION "8.3.7"
+#define REL_VERSION "8.3.8rc1"
 #define API_VERSION 88
 #define PRO_VERSION_MIN 86
-#define PRO_VERSION_MAX 93
+#define PRO_VERSION_MAX 94
 
 
 enum drbd_io_error_p {

From 35f3d14dbbc58447c61e38a162ea10add6b31dc7 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 20 May 2010 10:43:18 +0200
Subject: [PATCH 2621/3638] pipe: add support for shrinking and growing pipes

This patch adds F_GETPIPE_SZ and F_SETPIPE_SZ fcntl() actions for
growing and shrinking the size of a pipe and adjusts pipe.c and splice.c
(and relay and network splice) usage to work with these larger (or smaller)
pipes.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/fcntl.c                |   5 ++
 fs/pipe.c                 | 107 +++++++++++++++++++++++---
 fs/splice.c               | 153 ++++++++++++++++++++++++++------------
 include/linux/fcntl.h     |   6 ++
 include/linux/pipe_fs_i.h |  11 ++-
 include/linux/splice.h    |   7 ++
 kernel/relay.c            |  15 ++--
 kernel/trace/trace.c      |  60 +++++++++------
 net/core/skbuff.c         |  38 +++++-----
 9 files changed, 293 insertions(+), 109 deletions(-)

diff --git a/fs/fcntl.c b/fs/fcntl.c
index 452d02f9075..bcba960328f 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -14,6 +14,7 @@
 #include <linux/dnotify.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/pipe_fs_i.h>
 #include <linux/security.h>
 #include <linux/ptrace.h>
 #include <linux/signal.h>
@@ -412,6 +413,10 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
 	case F_NOTIFY:
 		err = fcntl_dirnotify(fd, filp, arg);
 		break;
+	case F_SETPIPE_SZ:
+	case F_GETPIPE_SZ:
+		err = pipe_fcntl(filp, cmd, arg);
+		break;
 	default:
 		break;
 	}
diff --git a/fs/pipe.c b/fs/pipe.c
index 37ba29ff315..054b8a6a2c7 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/fs.h>
+#include <linux/log2.h>
 #include <linux/mount.h>
 #include <linux/pipe_fs_i.h>
 #include <linux/uio.h>
@@ -390,7 +391,7 @@ redo:
 			if (!buf->len) {
 				buf->ops = NULL;
 				ops->release(pipe, buf);
-				curbuf = (curbuf + 1) & (PIPE_BUFFERS-1);
+				curbuf = (curbuf + 1) & (pipe->buffers - 1);
 				pipe->curbuf = curbuf;
 				pipe->nrbufs = --bufs;
 				do_wakeup = 1;
@@ -472,7 +473,7 @@ pipe_write(struct kiocb *iocb, const struct iovec *_iov,
 	chars = total_len & (PAGE_SIZE-1); /* size of the last buffer */
 	if (pipe->nrbufs && chars != 0) {
 		int lastbuf = (pipe->curbuf + pipe->nrbufs - 1) &
-							(PIPE_BUFFERS-1);
+							(pipe->buffers - 1);
 		struct pipe_buffer *buf = pipe->bufs + lastbuf;
 		const struct pipe_buf_operations *ops = buf->ops;
 		int offset = buf->offset + buf->len;
@@ -518,8 +519,8 @@ redo1:
 			break;
 		}
 		bufs = pipe->nrbufs;
-		if (bufs < PIPE_BUFFERS) {
-			int newbuf = (pipe->curbuf + bufs) & (PIPE_BUFFERS-1);
+		if (bufs < pipe->buffers) {
+			int newbuf = (pipe->curbuf + bufs) & (pipe->buffers-1);
 			struct pipe_buffer *buf = pipe->bufs + newbuf;
 			struct page *page = pipe->tmp_page;
 			char *src;
@@ -580,7 +581,7 @@ redo2:
 			if (!total_len)
 				break;
 		}
-		if (bufs < PIPE_BUFFERS)
+		if (bufs < pipe->buffers)
 			continue;
 		if (filp->f_flags & O_NONBLOCK) {
 			if (!ret)
@@ -640,7 +641,7 @@ static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			nrbufs = pipe->nrbufs;
 			while (--nrbufs >= 0) {
 				count += pipe->bufs[buf].len;
-				buf = (buf+1) & (PIPE_BUFFERS-1);
+				buf = (buf+1) & (pipe->buffers - 1);
 			}
 			mutex_unlock(&inode->i_mutex);
 
@@ -671,7 +672,7 @@ pipe_poll(struct file *filp, poll_table *wait)
 	}
 
 	if (filp->f_mode & FMODE_WRITE) {
-		mask |= (nrbufs < PIPE_BUFFERS) ? POLLOUT | POLLWRNORM : 0;
+		mask |= (nrbufs < pipe->buffers) ? POLLOUT | POLLWRNORM : 0;
 		/*
 		 * Most Unices do not set POLLERR for FIFOs but on Linux they
 		 * behave exactly like pipes for poll().
@@ -877,25 +878,32 @@ struct pipe_inode_info * alloc_pipe_info(struct inode *inode)
 
 	pipe = kzalloc(sizeof(struct pipe_inode_info), GFP_KERNEL);
 	if (pipe) {
-		init_waitqueue_head(&pipe->wait);
-		pipe->r_counter = pipe->w_counter = 1;
-		pipe->inode = inode;
+		pipe->bufs = kzalloc(sizeof(struct pipe_buffer) * PIPE_DEF_BUFFERS, GFP_KERNEL);
+		if (pipe->bufs) {
+			init_waitqueue_head(&pipe->wait);
+			pipe->r_counter = pipe->w_counter = 1;
+			pipe->inode = inode;
+			pipe->buffers = PIPE_DEF_BUFFERS;
+			return pipe;
+		}
+		kfree(pipe);
 	}
 
-	return pipe;
+	return NULL;
 }
 
 void __free_pipe_info(struct pipe_inode_info *pipe)
 {
 	int i;
 
-	for (i = 0; i < PIPE_BUFFERS; i++) {
+	for (i = 0; i < pipe->buffers; i++) {
 		struct pipe_buffer *buf = pipe->bufs + i;
 		if (buf->ops)
 			buf->ops->release(pipe, buf);
 	}
 	if (pipe->tmp_page)
 		__free_page(pipe->tmp_page);
+	kfree(pipe->bufs);
 	kfree(pipe);
 }
 
@@ -1093,6 +1101,81 @@ SYSCALL_DEFINE1(pipe, int __user *, fildes)
 	return sys_pipe2(fildes, 0);
 }
 
+/*
+ * Allocate a new array of pipe buffers and copy the info over. Returns the
+ * pipe size if successful, or return -ERROR on error.
+ */
+static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
+{
+	struct pipe_buffer *bufs;
+
+	/*
+	 * Must be a power-of-2 currently
+	 */
+	if (!is_power_of_2(arg))
+		return -EINVAL;
+
+	/*
+	 * We can shrink the pipe, if arg >= pipe->nrbufs. Since we don't
+	 * expect a lot of shrink+grow operations, just free and allocate
+	 * again like we would do for growing. If the pipe currently
+	 * contains more buffers than arg, then return busy.
+	 */
+	if (arg < pipe->nrbufs)
+		return -EBUSY;
+
+	bufs = kcalloc(arg, sizeof(struct pipe_buffer), GFP_KERNEL);
+	if (unlikely(!bufs))
+		return -ENOMEM;
+
+	/*
+	 * The pipe array wraps around, so just start the new one at zero
+	 * and adjust the indexes.
+	 */
+	if (pipe->nrbufs) {
+		const unsigned int tail = pipe->nrbufs & (pipe->buffers - 1);
+		const unsigned int head = pipe->nrbufs - tail;
+
+		if (head)
+			memcpy(bufs, pipe->bufs + pipe->curbuf, head * sizeof(struct pipe_buffer));
+		if (tail)
+			memcpy(bufs + head, pipe->bufs + pipe->curbuf, tail * sizeof(struct pipe_buffer));
+	}
+
+	pipe->curbuf = 0;
+	kfree(pipe->bufs);
+	pipe->bufs = bufs;
+	pipe->buffers = arg;
+	return arg;
+}
+
+long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	struct pipe_inode_info *pipe;
+	long ret;
+
+	pipe = file->f_path.dentry->d_inode->i_pipe;
+	if (!pipe)
+		return -EBADF;
+
+	mutex_lock(&pipe->inode->i_mutex);
+
+	switch (cmd) {
+	case F_SETPIPE_SZ:
+		ret = pipe_set_size(pipe, arg);
+		break;
+	case F_GETPIPE_SZ:
+		ret = pipe->buffers;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	mutex_unlock(&pipe->inode->i_mutex);
+	return ret;
+}
+
 /*
  * pipefs should _never_ be mounted by userland - too much of security hassle,
  * no real gain from having the whole whorehouse mounted. So we don't need
diff --git a/fs/splice.c b/fs/splice.c
index 9313b6124a2..ac22b00d86c 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -193,8 +193,8 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
 			break;
 		}
 
-		if (pipe->nrbufs < PIPE_BUFFERS) {
-			int newbuf = (pipe->curbuf + pipe->nrbufs) & (PIPE_BUFFERS - 1);
+		if (pipe->nrbufs < pipe->buffers) {
+			int newbuf = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1);
 			struct pipe_buffer *buf = pipe->bufs + newbuf;
 
 			buf->page = spd->pages[page_nr];
@@ -214,7 +214,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
 
 			if (!--spd->nr_pages)
 				break;
-			if (pipe->nrbufs < PIPE_BUFFERS)
+			if (pipe->nrbufs < pipe->buffers)
 				continue;
 
 			break;
@@ -265,6 +265,36 @@ static void spd_release_page(struct splice_pipe_desc *spd, unsigned int i)
 	page_cache_release(spd->pages[i]);
 }
 
+/*
+ * Check if we need to grow the arrays holding pages and partial page
+ * descriptions.
+ */
+int splice_grow_spd(struct pipe_inode_info *pipe, struct splice_pipe_desc *spd)
+{
+	if (pipe->buffers <= PIPE_DEF_BUFFERS)
+		return 0;
+
+	spd->pages = kmalloc(pipe->buffers * sizeof(struct page *), GFP_KERNEL);
+	spd->partial = kmalloc(pipe->buffers * sizeof(struct partial_page), GFP_KERNEL);
+
+	if (spd->pages && spd->partial)
+		return 0;
+
+	kfree(spd->pages);
+	kfree(spd->partial);
+	return -ENOMEM;
+}
+
+void splice_shrink_spd(struct pipe_inode_info *pipe,
+		       struct splice_pipe_desc *spd)
+{
+	if (pipe->buffers <= PIPE_DEF_BUFFERS)
+		return;
+
+	kfree(spd->pages);
+	kfree(spd->partial);
+}
+
 static int
 __generic_file_splice_read(struct file *in, loff_t *ppos,
 			   struct pipe_inode_info *pipe, size_t len,
@@ -272,8 +302,8 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
 {
 	struct address_space *mapping = in->f_mapping;
 	unsigned int loff, nr_pages, req_pages;
-	struct page *pages[PIPE_BUFFERS];
-	struct partial_page partial[PIPE_BUFFERS];
+	struct page *pages[PIPE_DEF_BUFFERS];
+	struct partial_page partial[PIPE_DEF_BUFFERS];
 	struct page *page;
 	pgoff_t index, end_index;
 	loff_t isize;
@@ -286,15 +316,18 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
 		.spd_release = spd_release_page,
 	};
 
+	if (splice_grow_spd(pipe, &spd))
+		return -ENOMEM;
+
 	index = *ppos >> PAGE_CACHE_SHIFT;
 	loff = *ppos & ~PAGE_CACHE_MASK;
 	req_pages = (len + loff + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
-	nr_pages = min(req_pages, (unsigned)PIPE_BUFFERS);
+	nr_pages = min(req_pages, pipe->buffers);
 
 	/*
 	 * Lookup the (hopefully) full range of pages we need.
 	 */
-	spd.nr_pages = find_get_pages_contig(mapping, index, nr_pages, pages);
+	spd.nr_pages = find_get_pages_contig(mapping, index, nr_pages, spd.pages);
 	index += spd.nr_pages;
 
 	/*
@@ -335,7 +368,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
 			unlock_page(page);
 		}
 
-		pages[spd.nr_pages++] = page;
+		spd.pages[spd.nr_pages++] = page;
 		index++;
 	}
 
@@ -356,7 +389,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
 		 * this_len is the max we'll use from this page
 		 */
 		this_len = min_t(unsigned long, len, PAGE_CACHE_SIZE - loff);
-		page = pages[page_nr];
+		page = spd.pages[page_nr];
 
 		if (PageReadahead(page))
 			page_cache_async_readahead(mapping, &in->f_ra, in,
@@ -393,8 +426,8 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
 					error = -ENOMEM;
 					break;
 				}
-				page_cache_release(pages[page_nr]);
-				pages[page_nr] = page;
+				page_cache_release(spd.pages[page_nr]);
+				spd.pages[page_nr] = page;
 			}
 			/*
 			 * page was already under io and is now done, great
@@ -451,8 +484,8 @@ fill_it:
 			len = this_len;
 		}
 
-		partial[page_nr].offset = loff;
-		partial[page_nr].len = this_len;
+		spd.partial[page_nr].offset = loff;
+		spd.partial[page_nr].len = this_len;
 		len -= this_len;
 		loff = 0;
 		spd.nr_pages++;
@@ -464,12 +497,13 @@ fill_it:
 	 * we got, 'nr_pages' is how many pages are in the map.
 	 */
 	while (page_nr < nr_pages)
-		page_cache_release(pages[page_nr++]);
+		page_cache_release(spd.pages[page_nr++]);
 	in->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT;
 
 	if (spd.nr_pages)
-		return splice_to_pipe(pipe, &spd);
+		error = splice_to_pipe(pipe, &spd);
 
+	splice_shrink_spd(pipe, &spd);
 	return error;
 }
 
@@ -560,9 +594,9 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
 	unsigned int nr_pages;
 	unsigned int nr_freed;
 	size_t offset;
-	struct page *pages[PIPE_BUFFERS];
-	struct partial_page partial[PIPE_BUFFERS];
-	struct iovec vec[PIPE_BUFFERS];
+	struct page *pages[PIPE_DEF_BUFFERS];
+	struct partial_page partial[PIPE_DEF_BUFFERS];
+	struct iovec *vec, __vec[PIPE_DEF_BUFFERS];
 	pgoff_t index;
 	ssize_t res;
 	size_t this_len;
@@ -576,11 +610,22 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
 		.spd_release = spd_release_page,
 	};
 
+	if (splice_grow_spd(pipe, &spd))
+		return -ENOMEM;
+
+	res = -ENOMEM;
+	vec = __vec;
+	if (pipe->buffers > PIPE_DEF_BUFFERS) {
+		vec = kmalloc(pipe->buffers * sizeof(struct iovec), GFP_KERNEL);
+		if (!vec)
+			goto shrink_ret;
+	}
+
 	index = *ppos >> PAGE_CACHE_SHIFT;
 	offset = *ppos & ~PAGE_CACHE_MASK;
 	nr_pages = (len + offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
 
-	for (i = 0; i < nr_pages && i < PIPE_BUFFERS && len; i++) {
+	for (i = 0; i < nr_pages && i < pipe->buffers && len; i++) {
 		struct page *page;
 
 		page = alloc_page(GFP_USER);
@@ -591,7 +636,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
 		this_len = min_t(size_t, len, PAGE_CACHE_SIZE - offset);
 		vec[i].iov_base = (void __user *) page_address(page);
 		vec[i].iov_len = this_len;
-		pages[i] = page;
+		spd.pages[i] = page;
 		spd.nr_pages++;
 		len -= this_len;
 		offset = 0;
@@ -610,11 +655,11 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
 	nr_freed = 0;
 	for (i = 0; i < spd.nr_pages; i++) {
 		this_len = min_t(size_t, vec[i].iov_len, res);
-		partial[i].offset = 0;
-		partial[i].len = this_len;
+		spd.partial[i].offset = 0;
+		spd.partial[i].len = this_len;
 		if (!this_len) {
-			__free_page(pages[i]);
-			pages[i] = NULL;
+			__free_page(spd.pages[i]);
+			spd.pages[i] = NULL;
 			nr_freed++;
 		}
 		res -= this_len;
@@ -625,13 +670,18 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
 	if (res > 0)
 		*ppos += res;
 
+shrink_ret:
+	if (vec != __vec)
+		kfree(vec);
+	splice_shrink_spd(pipe, &spd);
 	return res;
 
 err:
 	for (i = 0; i < spd.nr_pages; i++)
-		__free_page(pages[i]);
+		__free_page(spd.pages[i]);
 
-	return error;
+	res = error;
+	goto shrink_ret;
 }
 EXPORT_SYMBOL(default_file_splice_read);
 
@@ -784,7 +834,7 @@ int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_desc *sd,
 		if (!buf->len) {
 			buf->ops = NULL;
 			ops->release(pipe, buf);
-			pipe->curbuf = (pipe->curbuf + 1) & (PIPE_BUFFERS - 1);
+			pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1);
 			pipe->nrbufs--;
 			if (pipe->inode)
 				sd->need_wakeup = true;
@@ -1211,7 +1261,7 @@ out_release:
 	 * If we did an incomplete transfer we must release
 	 * the pipe buffers in question:
 	 */
-	for (i = 0; i < PIPE_BUFFERS; i++) {
+	for (i = 0; i < pipe->buffers; i++) {
 		struct pipe_buffer *buf = pipe->bufs + i;
 
 		if (buf->ops) {
@@ -1371,7 +1421,8 @@ static long do_splice(struct file *in, loff_t __user *off_in,
  */
 static int get_iovec_page_array(const struct iovec __user *iov,
 				unsigned int nr_vecs, struct page **pages,
-				struct partial_page *partial, int aligned)
+				struct partial_page *partial, int aligned,
+				unsigned int pipe_buffers)
 {
 	int buffers = 0, error = 0;
 
@@ -1414,8 +1465,8 @@ static int get_iovec_page_array(const struct iovec __user *iov,
 			break;
 
 		npages = (off + len + PAGE_SIZE - 1) >> PAGE_SHIFT;
-		if (npages > PIPE_BUFFERS - buffers)
-			npages = PIPE_BUFFERS - buffers;
+		if (npages > pipe_buffers - buffers)
+			npages = pipe_buffers - buffers;
 
 		error = get_user_pages_fast((unsigned long)base, npages,
 					0, &pages[buffers]);
@@ -1450,7 +1501,7 @@ static int get_iovec_page_array(const struct iovec __user *iov,
 		 * or if we mapped the max number of pages that we have
 		 * room for.
 		 */
-		if (error < npages || buffers == PIPE_BUFFERS)
+		if (error < npages || buffers == pipe_buffers)
 			break;
 
 		nr_vecs--;
@@ -1593,8 +1644,8 @@ static long vmsplice_to_pipe(struct file *file, const struct iovec __user *iov,
 			     unsigned long nr_segs, unsigned int flags)
 {
 	struct pipe_inode_info *pipe;
-	struct page *pages[PIPE_BUFFERS];
-	struct partial_page partial[PIPE_BUFFERS];
+	struct page *pages[PIPE_DEF_BUFFERS];
+	struct partial_page partial[PIPE_DEF_BUFFERS];
 	struct splice_pipe_desc spd = {
 		.pages = pages,
 		.partial = partial,
@@ -1602,17 +1653,25 @@ static long vmsplice_to_pipe(struct file *file, const struct iovec __user *iov,
 		.ops = &user_page_pipe_buf_ops,
 		.spd_release = spd_release_page,
 	};
+	long ret;
 
 	pipe = pipe_info(file->f_path.dentry->d_inode);
 	if (!pipe)
 		return -EBADF;
 
-	spd.nr_pages = get_iovec_page_array(iov, nr_segs, pages, partial,
-					    flags & SPLICE_F_GIFT);
-	if (spd.nr_pages <= 0)
-		return spd.nr_pages;
+	if (splice_grow_spd(pipe, &spd))
+		return -ENOMEM;
 
-	return splice_to_pipe(pipe, &spd);
+	spd.nr_pages = get_iovec_page_array(iov, nr_segs, spd.pages,
+					    spd.partial, flags & SPLICE_F_GIFT,
+					    pipe->buffers);
+	if (spd.nr_pages <= 0)
+		ret = spd.nr_pages;
+	else
+		ret = splice_to_pipe(pipe, &spd);
+
+	splice_shrink_spd(pipe, &spd);
+	return ret;
 }
 
 /*
@@ -1738,13 +1797,13 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
 	 * Check ->nrbufs without the inode lock first. This function
 	 * is speculative anyways, so missing one is ok.
 	 */
-	if (pipe->nrbufs < PIPE_BUFFERS)
+	if (pipe->nrbufs < pipe->buffers)
 		return 0;
 
 	ret = 0;
 	pipe_lock(pipe);
 
-	while (pipe->nrbufs >= PIPE_BUFFERS) {
+	while (pipe->nrbufs >= pipe->buffers) {
 		if (!pipe->readers) {
 			send_sig(SIGPIPE, current, 0);
 			ret = -EPIPE;
@@ -1810,7 +1869,7 @@ retry:
 		 * Cannot make any progress, because either the input
 		 * pipe is empty or the output pipe is full.
 		 */
-		if (!ipipe->nrbufs || opipe->nrbufs >= PIPE_BUFFERS) {
+		if (!ipipe->nrbufs || opipe->nrbufs >= opipe->buffers) {
 			/* Already processed some buffers, break */
 			if (ret)
 				break;
@@ -1831,7 +1890,7 @@ retry:
 		}
 
 		ibuf = ipipe->bufs + ipipe->curbuf;
-		nbuf = (opipe->curbuf + opipe->nrbufs) % PIPE_BUFFERS;
+		nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);
 		obuf = opipe->bufs + nbuf;
 
 		if (len >= ibuf->len) {
@@ -1841,7 +1900,7 @@ retry:
 			*obuf = *ibuf;
 			ibuf->ops = NULL;
 			opipe->nrbufs++;
-			ipipe->curbuf = (ipipe->curbuf + 1) % PIPE_BUFFERS;
+			ipipe->curbuf = (ipipe->curbuf + 1) & (ipipe->buffers - 1);
 			ipipe->nrbufs--;
 			input_wakeup = true;
 		} else {
@@ -1914,11 +1973,11 @@ static int link_pipe(struct pipe_inode_info *ipipe,
 		 * If we have iterated all input buffers or ran out of
 		 * output room, break.
 		 */
-		if (i >= ipipe->nrbufs || opipe->nrbufs >= PIPE_BUFFERS)
+		if (i >= ipipe->nrbufs || opipe->nrbufs >= opipe->buffers)
 			break;
 
-		ibuf = ipipe->bufs + ((ipipe->curbuf + i) & (PIPE_BUFFERS - 1));
-		nbuf = (opipe->curbuf + opipe->nrbufs) & (PIPE_BUFFERS - 1);
+		ibuf = ipipe->bufs + ((ipipe->curbuf + i) & (ipipe->buffers-1));
+		nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);
 
 		/*
 		 * Get a reference to this pipe buffer,
diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h
index 86037400a6e..afc00af3229 100644
--- a/include/linux/fcntl.h
+++ b/include/linux/fcntl.h
@@ -21,6 +21,12 @@
  */
 #define F_NOTIFY	(F_LINUX_SPECIFIC_BASE+2)
 
+/*
+ * Set and get of pipe page size array
+ */
+#define F_SETPIPE_SZ	(F_LINUX_SPECIFIC_BASE + 7)
+#define F_GETPIPE_SZ	(F_LINUX_SPECIFIC_BASE + 8)
+
 /*
  * Types of directory notifications that may be requested.
  */
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index b43a9e03905..65f4282fcba 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -3,7 +3,7 @@
 
 #define PIPEFS_MAGIC 0x50495045
 
-#define PIPE_BUFFERS (16)
+#define PIPE_DEF_BUFFERS	16
 
 #define PIPE_BUF_FLAG_LRU	0x01	/* page is on the LRU */
 #define PIPE_BUF_FLAG_ATOMIC	0x02	/* was atomically mapped */
@@ -44,17 +44,17 @@ struct pipe_buffer {
  **/
 struct pipe_inode_info {
 	wait_queue_head_t wait;
-	unsigned int nrbufs, curbuf;
-	struct page *tmp_page;
+	unsigned int nrbufs, curbuf, buffers;
 	unsigned int readers;
 	unsigned int writers;
 	unsigned int waiting_writers;
 	unsigned int r_counter;
 	unsigned int w_counter;
+	struct page *tmp_page;
 	struct fasync_struct *fasync_readers;
 	struct fasync_struct *fasync_writers;
 	struct inode *inode;
-	struct pipe_buffer bufs[PIPE_BUFFERS];
+	struct pipe_buffer *bufs;
 };
 
 /*
@@ -154,4 +154,7 @@ int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
 int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
 void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
 
+/* for F_SETPIPE_SZ and F_GETPIPE_SZ */
+long pipe_fcntl(struct file *, unsigned int, unsigned long arg);
+
 #endif
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 18e7c7c0cae..997c3b4c212 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -82,4 +82,11 @@ extern ssize_t splice_to_pipe(struct pipe_inode_info *,
 extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
 				      splice_direct_actor *);
 
+/*
+ * for dynamic pipe sizing
+ */
+extern int splice_grow_spd(struct pipe_inode_info *, struct splice_pipe_desc *);
+extern void splice_shrink_spd(struct pipe_inode_info *,
+				struct splice_pipe_desc *);
+
 #endif
diff --git a/kernel/relay.c b/kernel/relay.c
index 3d97f282161..4268287148c 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1231,8 +1231,8 @@ static ssize_t subbuf_splice_actor(struct file *in,
 	size_t read_subbuf = read_start / subbuf_size;
 	size_t padding = rbuf->padding[read_subbuf];
 	size_t nonpad_end = read_subbuf * subbuf_size + subbuf_size - padding;
-	struct page *pages[PIPE_BUFFERS];
-	struct partial_page partial[PIPE_BUFFERS];
+	struct page *pages[PIPE_DEF_BUFFERS];
+	struct partial_page partial[PIPE_DEF_BUFFERS];
 	struct splice_pipe_desc spd = {
 		.pages = pages,
 		.nr_pages = 0,
@@ -1245,6 +1245,8 @@ static ssize_t subbuf_splice_actor(struct file *in,
 
 	if (rbuf->subbufs_produced == rbuf->subbufs_consumed)
 		return 0;
+	if (splice_grow_spd(pipe, &spd))
+		return -ENOMEM;
 
 	/*
 	 * Adjust read len, if longer than what is available
@@ -1255,7 +1257,7 @@ static ssize_t subbuf_splice_actor(struct file *in,
 	subbuf_pages = rbuf->chan->alloc_size >> PAGE_SHIFT;
 	pidx = (read_start / PAGE_SIZE) % subbuf_pages;
 	poff = read_start & ~PAGE_MASK;
-	nr_pages = min_t(unsigned int, subbuf_pages, PIPE_BUFFERS);
+	nr_pages = min_t(unsigned int, subbuf_pages, pipe->buffers);
 
 	for (total_len = 0; spd.nr_pages < nr_pages; spd.nr_pages++) {
 		unsigned int this_len, this_end, private;
@@ -1289,16 +1291,19 @@ static ssize_t subbuf_splice_actor(struct file *in,
 		}
 	}
 
+	ret = 0;
 	if (!spd.nr_pages)
-		return 0;
+		goto out;
 
 	ret = *nonpad_ret = splice_to_pipe(pipe, &spd);
 	if (ret < 0 || ret < total_len)
-		return ret;
+		goto out;
 
         if (read_start + ret == nonpad_end)
                 ret += padding;
 
+out:
+	splice_shrink_spd(pipe, &spd);
         return ret;
 }
 
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 44f916a0406..7b155a0e6f3 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3269,12 +3269,12 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
 					size_t len,
 					unsigned int flags)
 {
-	struct page *pages[PIPE_BUFFERS];
-	struct partial_page partial[PIPE_BUFFERS];
+	struct page *pages_def[PIPE_DEF_BUFFERS];
+	struct partial_page partial_def[PIPE_DEF_BUFFERS];
 	struct trace_iterator *iter = filp->private_data;
 	struct splice_pipe_desc spd = {
-		.pages		= pages,
-		.partial	= partial,
+		.pages		= pages_def,
+		.partial	= partial_def,
 		.nr_pages	= 0, /* This gets updated below. */
 		.flags		= flags,
 		.ops		= &tracing_pipe_buf_ops,
@@ -3285,6 +3285,9 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
 	size_t rem;
 	unsigned int i;
 
+	if (splice_grow_spd(pipe, &spd))
+		return -ENOMEM;
+
 	/* copy the tracer to avoid using a global lock all around */
 	mutex_lock(&trace_types_lock);
 	if (unlikely(old_tracer != current_trace && current_trace)) {
@@ -3315,23 +3318,23 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
 	trace_access_lock(iter->cpu_file);
 
 	/* Fill as many pages as possible. */
-	for (i = 0, rem = len; i < PIPE_BUFFERS && rem; i++) {
-		pages[i] = alloc_page(GFP_KERNEL);
-		if (!pages[i])
+	for (i = 0, rem = len; i < pipe->buffers && rem; i++) {
+		spd.pages[i] = alloc_page(GFP_KERNEL);
+		if (!spd.pages[i])
 			break;
 
 		rem = tracing_fill_pipe_page(rem, iter);
 
 		/* Copy the data into the page, so we can start over. */
 		ret = trace_seq_to_buffer(&iter->seq,
-					  page_address(pages[i]),
+					  page_address(spd.pages[i]),
 					  iter->seq.len);
 		if (ret < 0) {
-			__free_page(pages[i]);
+			__free_page(spd.pages[i]);
 			break;
 		}
-		partial[i].offset = 0;
-		partial[i].len = iter->seq.len;
+		spd.partial[i].offset = 0;
+		spd.partial[i].len = iter->seq.len;
 
 		trace_seq_init(&iter->seq);
 	}
@@ -3342,12 +3345,14 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
 
 	spd.nr_pages = i;
 
-	return splice_to_pipe(pipe, &spd);
+	ret = splice_to_pipe(pipe, &spd);
+out:
+	splice_shrink_spd(pipe, &spd);
+	return ret;
 
 out_err:
 	mutex_unlock(&iter->mutex);
-
-	return ret;
+	goto out;
 }
 
 static ssize_t
@@ -3746,11 +3751,11 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos,
 			    unsigned int flags)
 {
 	struct ftrace_buffer_info *info = file->private_data;
-	struct partial_page partial[PIPE_BUFFERS];
-	struct page *pages[PIPE_BUFFERS];
+	struct partial_page partial_def[PIPE_DEF_BUFFERS];
+	struct page *pages_def[PIPE_DEF_BUFFERS];
 	struct splice_pipe_desc spd = {
-		.pages		= pages,
-		.partial	= partial,
+		.pages		= pages_def,
+		.partial	= partial_def,
 		.flags		= flags,
 		.ops		= &buffer_pipe_buf_ops,
 		.spd_release	= buffer_spd_release,
@@ -3759,22 +3764,28 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos,
 	int entries, size, i;
 	size_t ret;
 
+	if (splice_grow_spd(pipe, &spd))
+		return -ENOMEM;
+
 	if (*ppos & (PAGE_SIZE - 1)) {
 		WARN_ONCE(1, "Ftrace: previous read must page-align\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out;
 	}
 
 	if (len & (PAGE_SIZE - 1)) {
 		WARN_ONCE(1, "Ftrace: splice_read should page-align\n");
-		if (len < PAGE_SIZE)
-			return -EINVAL;
+		if (len < PAGE_SIZE) {
+			ret = -EINVAL;
+			goto out;
+		}
 		len &= PAGE_MASK;
 	}
 
 	trace_access_lock(info->cpu);
 	entries = ring_buffer_entries_cpu(info->tr->buffer, info->cpu);
 
-	for (i = 0; i < PIPE_BUFFERS && len && entries; i++, len -= PAGE_SIZE) {
+	for (i = 0; i < pipe->buffers && len && entries; i++, len -= PAGE_SIZE) {
 		struct page *page;
 		int r;
 
@@ -3829,11 +3840,12 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos,
 		else
 			ret = 0;
 		/* TODO: block */
-		return ret;
+		goto out;
 	}
 
 	ret = splice_to_pipe(pipe, &spd);
-
+	splice_shrink_spd(pipe, &spd);
+out:
 	return ret;
 }
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 93c4e060c91..931981774b1 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1417,12 +1417,13 @@ new_page:
 /*
  * Fill page/offset/length into spd, if it can hold more pages.
  */
-static inline int spd_fill_page(struct splice_pipe_desc *spd, struct page *page,
+static inline int spd_fill_page(struct splice_pipe_desc *spd,
+				struct pipe_inode_info *pipe, struct page *page,
 				unsigned int *len, unsigned int offset,
 				struct sk_buff *skb, int linear,
 				struct sock *sk)
 {
-	if (unlikely(spd->nr_pages == PIPE_BUFFERS))
+	if (unlikely(spd->nr_pages == pipe->buffers))
 		return 1;
 
 	if (linear) {
@@ -1458,7 +1459,8 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
 				   unsigned int plen, unsigned int *off,
 				   unsigned int *len, struct sk_buff *skb,
 				   struct splice_pipe_desc *spd, int linear,
-				   struct sock *sk)
+				   struct sock *sk,
+				   struct pipe_inode_info *pipe)
 {
 	if (!*len)
 		return 1;
@@ -1481,7 +1483,7 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
 		/* the linear region may spread across several pages  */
 		flen = min_t(unsigned int, flen, PAGE_SIZE - poff);
 
-		if (spd_fill_page(spd, page, &flen, poff, skb, linear, sk))
+		if (spd_fill_page(spd, pipe, page, &flen, poff, skb, linear, sk))
 			return 1;
 
 		__segment_seek(&page, &poff, &plen, flen);
@@ -1496,9 +1498,9 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
  * Map linear and fragment data from the skb to spd. It reports failure if the
  * pipe is full or if we already spliced the requested length.
  */
-static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
-			     unsigned int *len, struct splice_pipe_desc *spd,
-			     struct sock *sk)
+static int __skb_splice_bits(struct sk_buff *skb, struct pipe_inode_info *pipe,
+			     unsigned int *offset, unsigned int *len,
+			     struct splice_pipe_desc *spd, struct sock *sk)
 {
 	int seg;
 
@@ -1508,7 +1510,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
 	if (__splice_segment(virt_to_page(skb->data),
 			     (unsigned long) skb->data & (PAGE_SIZE - 1),
 			     skb_headlen(skb),
-			     offset, len, skb, spd, 1, sk))
+			     offset, len, skb, spd, 1, sk, pipe))
 		return 1;
 
 	/*
@@ -1518,7 +1520,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
 		const skb_frag_t *f = &skb_shinfo(skb)->frags[seg];
 
 		if (__splice_segment(f->page, f->page_offset, f->size,
-				     offset, len, skb, spd, 0, sk))
+				     offset, len, skb, spd, 0, sk, pipe))
 			return 1;
 	}
 
@@ -1535,8 +1537,8 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
 		    struct pipe_inode_info *pipe, unsigned int tlen,
 		    unsigned int flags)
 {
-	struct partial_page partial[PIPE_BUFFERS];
-	struct page *pages[PIPE_BUFFERS];
+	struct partial_page partial[PIPE_DEF_BUFFERS];
+	struct page *pages[PIPE_DEF_BUFFERS];
 	struct splice_pipe_desc spd = {
 		.pages = pages,
 		.partial = partial,
@@ -1546,12 +1548,16 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
 	};
 	struct sk_buff *frag_iter;
 	struct sock *sk = skb->sk;
+	int ret = 0;
+
+	if (splice_grow_spd(pipe, &spd))
+		return -ENOMEM;
 
 	/*
 	 * __skb_splice_bits() only fails if the output has no room left,
 	 * so no point in going over the frag_list for the error case.
 	 */
-	if (__skb_splice_bits(skb, &offset, &tlen, &spd, sk))
+	if (__skb_splice_bits(skb, pipe, &offset, &tlen, &spd, sk))
 		goto done;
 	else if (!tlen)
 		goto done;
@@ -1562,14 +1568,12 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
 	skb_walk_frags(skb, frag_iter) {
 		if (!tlen)
 			break;
-		if (__skb_splice_bits(frag_iter, &offset, &tlen, &spd, sk))
+		if (__skb_splice_bits(frag_iter, pipe, &offset, &tlen, &spd, sk))
 			break;
 	}
 
 done:
 	if (spd.nr_pages) {
-		int ret;
-
 		/*
 		 * Drop the socket lock, otherwise we have reverse
 		 * locking dependencies between sk_lock and i_mutex
@@ -1582,10 +1586,10 @@ done:
 		release_sock(sk);
 		ret = splice_to_pipe(pipe, &spd);
 		lock_sock(sk);
-		return ret;
 	}
 
-	return 0;
+	splice_shrink_spd(pipe, &spd);
+	return ret;
 }
 
 /**

From b492e95be0ae672922f4734acf3f5d35c30be948 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Wed, 19 May 2010 21:03:16 +0200
Subject: [PATCH 2622/3638] pipe: set lower and upper limit on max pages in the
 pipe page array

We need at least two to guarantee proper POSIX behaviour, so
never allow a smaller limit than that.

Also expose a /proc/sys/fs/pipe-max-pages sysctl file that allows
root to define a sane upper limit. Make it default to 16 times the
default size, which is 16 pages.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/pipe.c                 | 15 +++++++++++++++
 include/linux/pipe_fs_i.h |  2 ++
 kernel/sysctl.c           |  9 +++++++++
 3 files changed, 26 insertions(+)

diff --git a/fs/pipe.c b/fs/pipe.c
index 054b8a6a2c7..d79872eba09 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -19,10 +19,17 @@
 #include <linux/pagemap.h>
 #include <linux/audit.h>
 #include <linux/syscalls.h>
+#include <linux/fcntl.h>
 
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
 
+/*
+ * The max size that a non-root user is allowed to grow the pipe. Can
+ * be set by root in /proc/sys/fs/pipe-max-pages
+ */
+unsigned int pipe_max_pages = PIPE_DEF_BUFFERS * 16;
+
 /*
  * We use a start+len construction, which provides full use of the 
  * allocated memory.
@@ -1162,6 +1169,14 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
 
 	switch (cmd) {
 	case F_SETPIPE_SZ:
+		if (!capable(CAP_SYS_ADMIN) && arg > pipe_max_pages)
+			return -EINVAL;
+		/*
+		 * The pipe needs to be at least 2 pages large to
+		 * guarantee POSIX behaviour.
+		 */
+		if (arg < 2)
+			return -EINVAL;
 		ret = pipe_set_size(pipe, arg);
 		break;
 	case F_GETPIPE_SZ:
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 65f4282fcba..16de3933c45 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -139,6 +139,8 @@ void pipe_lock(struct pipe_inode_info *);
 void pipe_unlock(struct pipe_inode_info *);
 void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *);
 
+extern unsigned int pipe_max_pages;
+
 /* Drop the inode semaphore and wait for a pipe event, atomically */
 void pipe_wait(struct pipe_inode_info *pipe);
 
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8686b0f5fc1..c649d1c5fe0 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -52,6 +52,7 @@
 #include <linux/slow-work.h>
 #include <linux/perf_event.h>
 #include <linux/kprobes.h>
+#include <linux/pipe_fs_i.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -1423,6 +1424,14 @@ static struct ctl_table fs_table[] = {
 		.child		= binfmt_misc_table,
 	},
 #endif
+	{
+		.procname	= "pipe-max-pages",
+		.data		= &pipe_max_pages,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.extra1		= &two,
+	},
 /*
  * NOTE: do not add new entries to this table unless you have read
  * Documentation/sysctl/ctl_unnumbered.txt

From ed1bbdefc39477a1301fb466139ffb0c00f0d006 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Fri, 26 Mar 2010 23:03:07 +0100
Subject: [PATCH 2623/3638] MIPS: Use set_cpus_allowed_ptr

From: Julia Lawall <julia@diku.dk>

Use set_cpus_allowed_ptr rather than set_cpus_allowed.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E1,E2;
@@

- set_cpus_allowed(E1, cpumask_of_cpu(E2))
+ set_cpus_allowed_ptr(E1, cpumask_of(E2))

@@
expression E;
identifier I;
@@

- set_cpus_allowed(E, I)
+ set_cpus_allowed_ptr(E, &I)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
To: peterz@infradead.org
To: mingo@elte.hu
To: tglx@linutronix.de
To: oleg@redhat.com
To: linux-mips@linux-mips.org
To: linux-kernel@vger.kernel.org
To: kernel-janitors@vger.kernel.org
Patchwork: http://patchwork.linux-mips.org/patch/1087/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/cpufreq/loongson2_cpufreq.c | 4 ++--
 arch/mips/kernel/mips-mt-fpaff.c             | 4 ++--
 arch/mips/kernel/traps.c                     | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c
index 2f6a0b147ab..ae5db206347 100644
--- a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c
+++ b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c
@@ -65,7 +65,7 @@ static int loongson2_cpufreq_target(struct cpufreq_policy *policy,
 		return -ENODEV;
 
 	cpus_allowed = current->cpus_allowed;
-	set_cpus_allowed(current, cpumask_of_cpu(cpu));
+	set_cpus_allowed_ptr(current, cpumask_of(cpu));
 
 	if (cpufreq_frequency_table_target
 	    (policy, &loongson2_clockmod_table[0], target_freq, relation,
@@ -91,7 +91,7 @@ static int loongson2_cpufreq_target(struct cpufreq_policy *policy,
 	/* notifiers */
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 
-	set_cpus_allowed(current, cpus_allowed);
+	set_cpus_allowed_ptr(current, &cpus_allowed);
 
 	/* setting the cpu frequency */
 	clk_set_rate(cpuclk, freq);
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index cbc6182b006..f5981c49910 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -100,10 +100,10 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
 	if (test_ti_thread_flag(ti, TIF_FPUBOUND) &&
 	    cpus_intersects(new_mask, mt_fpu_cpumask)) {
 		cpus_and(effective_mask, new_mask, mt_fpu_cpumask);
-		retval = set_cpus_allowed(p, effective_mask);
+		retval = set_cpus_allowed_ptr(p, &effective_mask);
 	} else {
 		clear_ti_thread_flag(ti, TIF_FPUBOUND);
-		retval = set_cpus_allowed(p, new_mask);
+		retval = set_cpus_allowed_ptr(p, &new_mask);
 	}
 
 out_unlock:
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index d612c6dcb74..7e5e38c24cd 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -854,7 +854,7 @@ static void mt_ase_fp_affinity(void)
 				= current->cpus_allowed;
 			cpus_and(tmask, current->cpus_allowed,
 				mt_fpu_cpumask);
-			set_cpus_allowed(current, tmask);
+			set_cpus_allowed_ptr(current, &tmask);
 			set_thread_flag(TIF_FPUBOUND);
 		}
 	}

From b8853aa3d912f47f649ad8de784ac3afd932437d Mon Sep 17 00:00:00 2001
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Tue, 13 Apr 2010 13:16:34 +0800
Subject: [PATCH 2624/3638] MIPS: Loongson: update cpu-feature-overrides.h

Loongson doesn't support MIPSR2, therefore, MIPSR2 vectored interrupts
(cpu_has_vint) and MIPSR2 external interrupt controller mode
(cpu_has_veic) are 0.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1112/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
index 16210cedd92..675bd8641d5 100644
--- a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
@@ -52,6 +52,8 @@
 #define cpu_has_tx39_cache	0
 #define cpu_has_userlocal	0
 #define cpu_has_vce		0
+#define cpu_has_veic		0
+#define cpu_has_vint		0
 #define cpu_has_vtag_icache	0
 #define cpu_has_watch		1
 

From 7b5fcd694dffd1db294dd4ef9f90911852e422f5 Mon Sep 17 00:00:00 2001
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Thu, 25 Mar 2010 22:55:38 +0100
Subject: [PATCH 2625/3638] MIPS: Alchemy: Fix up residual devboard
 poweroff/reboot code.

Clean out stray unused board_reset() calls in pb1x boards, the PB1000 is
different from the rest and gets private methods.

(Cleanup after 32fd6901a6d8d19f94e4de6be4e4b552ab078620)

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1085/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/alchemy/devboards/pb1000/board_setup.c | 16 +++++++++++++++-
 arch/mips/alchemy/devboards/pb1100/board_setup.c |  5 -----
 arch/mips/alchemy/devboards/pb1200/board_setup.c |  6 ------
 arch/mips/alchemy/devboards/pb1500/board_setup.c |  5 -----
 arch/mips/alchemy/devboards/pb1550/board_setup.c |  5 -----
 5 files changed, 15 insertions(+), 22 deletions(-)

diff --git a/arch/mips/alchemy/devboards/pb1000/board_setup.c b/arch/mips/alchemy/devboards/pb1000/board_setup.c
index b5311d8a29a..4ef50d86b18 100644
--- a/arch/mips/alchemy/devboards/pb1000/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1000/board_setup.c
@@ -27,8 +27,10 @@
 #include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/pm.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1000.h>
+#include <asm/reboot.h>
 #include <prom.h>
 
 #include "../platform.h"
@@ -38,8 +40,16 @@ const char *get_system_type(void)
 	return "Alchemy Pb1000";
 }
 
-void board_reset(void)
+static void board_reset(char *c)
 {
+	asm volatile ("jr %0" : : "r" (0xbfc00000));
+}
+
+static void board_power_off(void)
+{
+	printk(KERN_ALERT "It's now safe to remove power\n");
+	while (1)
+		asm volatile (".set mips3 ; wait ; .set mips1");
 }
 
 void __init board_setup(void)
@@ -177,6 +187,10 @@ void __init board_setup(void)
 		au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
 		break;
 	}
+
+	pm_power_off = board_power_off;
+	_machine_halt = board_power_off;
+	_machine_restart = board_reset;
 }
 
 static int __init pb1000_init_irq(void)
diff --git a/arch/mips/alchemy/devboards/pb1100/board_setup.c b/arch/mips/alchemy/devboards/pb1100/board_setup.c
index c7b4caa81a3..90dda5f3ecc 100644
--- a/arch/mips/alchemy/devboards/pb1100/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1100/board_setup.c
@@ -39,11 +39,6 @@ const char *get_system_type(void)
 	return "Alchemy Pb1100";
 }
 
-void board_reset(void)
-{
-	bcsr_write(BCSR_SYSTEM, 0);
-}
-
 void __init board_setup(void)
 {
 	volatile void __iomem *base = (volatile void __iomem *)0xac000000UL;
diff --git a/arch/mips/alchemy/devboards/pb1200/board_setup.c b/arch/mips/alchemy/devboards/pb1200/board_setup.c
index 3184063f804..8b4466f2d44 100644
--- a/arch/mips/alchemy/devboards/pb1200/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1200/board_setup.c
@@ -48,12 +48,6 @@ const char *get_system_type(void)
 	return "Alchemy Pb1200";
 }
 
-void board_reset(void)
-{
-	bcsr_write(BCSR_RESETS, 0);
-	bcsr_write(BCSR_SYSTEM, 0);
-}
-
 void __init board_setup(void)
 {
 	printk(KERN_INFO "AMD Alchemy Pb1200 Board\n");
diff --git a/arch/mips/alchemy/devboards/pb1500/board_setup.c b/arch/mips/alchemy/devboards/pb1500/board_setup.c
index fa9770ac358..9cd9dfa698e 100644
--- a/arch/mips/alchemy/devboards/pb1500/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1500/board_setup.c
@@ -45,11 +45,6 @@ const char *get_system_type(void)
 	return "Alchemy Pb1500";
 }
 
-void board_reset(void)
-{
-	bcsr_write(BCSR_SYSTEM, 0);
-}
-
 void __init board_setup(void)
 {
 	u32 pin_func;
diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c
index 1e8fb3ddd72..9d7d6edafa8 100644
--- a/arch/mips/alchemy/devboards/pb1550/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c
@@ -48,11 +48,6 @@ const char *get_system_type(void)
 	return "Alchemy Pb1550";
 }
 
-void board_reset(void)
-{
-	bcsr_write(BCSR_SYSTEM, 0);
-}
-
 void __init board_setup(void)
 {
 	u32 pin_func;

From 0f0d85bcc332ec8f0957378ea5fa3e553f80ae4b Mon Sep 17 00:00:00 2001
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Tue, 13 Apr 2010 20:49:14 +0200
Subject: [PATCH 2626/3638] MIPS: Alchemy: add sysdev for IRQ PM.

Use a sysdev to implement PM methods for the Au1000 interrupt controllers.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1114/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/alchemy/common/irq.c             | 174 +++++++++++----------
 arch/mips/alchemy/common/power.c           |   5 -
 arch/mips/include/asm/mach-au1x00/au1000.h |  34 +++-
 3 files changed, 122 insertions(+), 91 deletions(-)

diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c
index b2821ace4d0..9f78ada83b3 100644
--- a/arch/mips/alchemy/common/irq.c
+++ b/arch/mips/alchemy/common/irq.c
@@ -29,6 +29,8 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/sysdev.h>
 
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
@@ -216,90 +218,6 @@ struct au1xxx_irqmap au1200_irqmap[] __initdata = {
 };
 
 
-#ifdef CONFIG_PM
-
-/*
- * Save/restore the interrupt controller state.
- * Called from the save/restore core registers as part of the
- * au_sleep function in power.c.....maybe I should just pm_register()
- * them instead?
- */
-static unsigned int	sleep_intctl_config0[2];
-static unsigned int	sleep_intctl_config1[2];
-static unsigned int	sleep_intctl_config2[2];
-static unsigned int	sleep_intctl_src[2];
-static unsigned int	sleep_intctl_assign[2];
-static unsigned int	sleep_intctl_wake[2];
-static unsigned int	sleep_intctl_mask[2];
-
-void save_au1xxx_intctl(void)
-{
-	sleep_intctl_config0[0] = au_readl(IC0_CFG0RD);
-	sleep_intctl_config1[0] = au_readl(IC0_CFG1RD);
-	sleep_intctl_config2[0] = au_readl(IC0_CFG2RD);
-	sleep_intctl_src[0] = au_readl(IC0_SRCRD);
-	sleep_intctl_assign[0] = au_readl(IC0_ASSIGNRD);
-	sleep_intctl_wake[0] = au_readl(IC0_WAKERD);
-	sleep_intctl_mask[0] = au_readl(IC0_MASKRD);
-
-	sleep_intctl_config0[1] = au_readl(IC1_CFG0RD);
-	sleep_intctl_config1[1] = au_readl(IC1_CFG1RD);
-	sleep_intctl_config2[1] = au_readl(IC1_CFG2RD);
-	sleep_intctl_src[1] = au_readl(IC1_SRCRD);
-	sleep_intctl_assign[1] = au_readl(IC1_ASSIGNRD);
-	sleep_intctl_wake[1] = au_readl(IC1_WAKERD);
-	sleep_intctl_mask[1] = au_readl(IC1_MASKRD);
-}
-
-/*
- * For most restore operations, we clear the entire register and
- * then set the bits we found during the save.
- */
-void restore_au1xxx_intctl(void)
-{
-	au_writel(0xffffffff, IC0_MASKCLR); au_sync();
-
-	au_writel(0xffffffff, IC0_CFG0CLR); au_sync();
-	au_writel(sleep_intctl_config0[0], IC0_CFG0SET); au_sync();
-	au_writel(0xffffffff, IC0_CFG1CLR); au_sync();
-	au_writel(sleep_intctl_config1[0], IC0_CFG1SET); au_sync();
-	au_writel(0xffffffff, IC0_CFG2CLR); au_sync();
-	au_writel(sleep_intctl_config2[0], IC0_CFG2SET); au_sync();
-	au_writel(0xffffffff, IC0_SRCCLR); au_sync();
-	au_writel(sleep_intctl_src[0], IC0_SRCSET); au_sync();
-	au_writel(0xffffffff, IC0_ASSIGNCLR); au_sync();
-	au_writel(sleep_intctl_assign[0], IC0_ASSIGNSET); au_sync();
-	au_writel(0xffffffff, IC0_WAKECLR); au_sync();
-	au_writel(sleep_intctl_wake[0], IC0_WAKESET); au_sync();
-	au_writel(0xffffffff, IC0_RISINGCLR); au_sync();
-	au_writel(0xffffffff, IC0_FALLINGCLR); au_sync();
-	au_writel(0x00000000, IC0_TESTBIT); au_sync();
-
-	au_writel(0xffffffff, IC1_MASKCLR); au_sync();
-
-	au_writel(0xffffffff, IC1_CFG0CLR); au_sync();
-	au_writel(sleep_intctl_config0[1], IC1_CFG0SET); au_sync();
-	au_writel(0xffffffff, IC1_CFG1CLR); au_sync();
-	au_writel(sleep_intctl_config1[1], IC1_CFG1SET); au_sync();
-	au_writel(0xffffffff, IC1_CFG2CLR); au_sync();
-	au_writel(sleep_intctl_config2[1], IC1_CFG2SET); au_sync();
-	au_writel(0xffffffff, IC1_SRCCLR); au_sync();
-	au_writel(sleep_intctl_src[1], IC1_SRCSET); au_sync();
-	au_writel(0xffffffff, IC1_ASSIGNCLR); au_sync();
-	au_writel(sleep_intctl_assign[1], IC1_ASSIGNSET); au_sync();
-	au_writel(0xffffffff, IC1_WAKECLR); au_sync();
-	au_writel(sleep_intctl_wake[1], IC1_WAKESET); au_sync();
-	au_writel(0xffffffff, IC1_RISINGCLR); au_sync();
-	au_writel(0xffffffff, IC1_FALLINGCLR); au_sync();
-	au_writel(0x00000000, IC1_TESTBIT); au_sync();
-
-	au_writel(sleep_intctl_mask[1], IC1_MASKSET); au_sync();
-
-	au_writel(sleep_intctl_mask[0], IC0_MASKSET); au_sync();
-}
-#endif /* CONFIG_PM */
-
-
 static void au1x_ic0_unmask(unsigned int irq_nr)
 {
 	unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
@@ -635,3 +553,91 @@ void __init arch_init_irq(void)
 		break;
 	}
 }
+
+struct alchemy_ic_sysdev {
+	struct sys_device sysdev;
+	void __iomem *base;
+	unsigned long pmdata[7];
+};
+
+static int alchemy_ic_suspend(struct sys_device *dev, pm_message_t state)
+{
+	struct alchemy_ic_sysdev *icdev =
+			container_of(dev, struct alchemy_ic_sysdev, sysdev);
+
+	icdev->pmdata[0] = __raw_readl(icdev->base + IC_CFG0RD);
+	icdev->pmdata[1] = __raw_readl(icdev->base + IC_CFG1RD);
+	icdev->pmdata[2] = __raw_readl(icdev->base + IC_CFG2RD);
+	icdev->pmdata[3] = __raw_readl(icdev->base + IC_SRCRD);
+	icdev->pmdata[4] = __raw_readl(icdev->base + IC_ASSIGNRD);
+	icdev->pmdata[5] = __raw_readl(icdev->base + IC_WAKERD);
+	icdev->pmdata[6] = __raw_readl(icdev->base + IC_MASKRD);
+
+	return 0;
+}
+
+static int alchemy_ic_resume(struct sys_device *dev)
+{
+	struct alchemy_ic_sysdev *icdev =
+			container_of(dev, struct alchemy_ic_sysdev, sysdev);
+
+	__raw_writel(0xffffffff, icdev->base + IC_MASKCLR);
+	__raw_writel(0xffffffff, icdev->base + IC_CFG0CLR);
+	__raw_writel(0xffffffff, icdev->base + IC_CFG1CLR);
+	__raw_writel(0xffffffff, icdev->base + IC_CFG2CLR);
+	__raw_writel(0xffffffff, icdev->base + IC_SRCCLR);
+	__raw_writel(0xffffffff, icdev->base + IC_ASSIGNCLR);
+	__raw_writel(0xffffffff, icdev->base + IC_WAKECLR);
+	__raw_writel(0xffffffff, icdev->base + IC_RISINGCLR);
+	__raw_writel(0xffffffff, icdev->base + IC_FALLINGCLR);
+	__raw_writel(0x00000000, icdev->base + IC_TESTBIT);
+	wmb();
+	__raw_writel(icdev->pmdata[0], icdev->base + IC_CFG0SET);
+	__raw_writel(icdev->pmdata[1], icdev->base + IC_CFG1SET);
+	__raw_writel(icdev->pmdata[2], icdev->base + IC_CFG2SET);
+	__raw_writel(icdev->pmdata[3], icdev->base + IC_SRCSET);
+	__raw_writel(icdev->pmdata[4], icdev->base + IC_ASSIGNSET);
+	__raw_writel(icdev->pmdata[5], icdev->base + IC_WAKESET);
+	wmb();
+
+	__raw_writel(icdev->pmdata[6], icdev->base + IC_MASKSET);
+	wmb();
+
+	return 0;
+}
+
+static struct sysdev_class alchemy_ic_sysdev_class = {
+	.name		= "ic",
+	.suspend	= alchemy_ic_suspend,
+	.resume		= alchemy_ic_resume,
+};
+
+static int __init alchemy_ic_sysdev_init(void)
+{
+	struct alchemy_ic_sysdev *icdev;
+	unsigned long icbase[2] = { IC0_PHYS_ADDR, IC1_PHYS_ADDR };
+	int err, i;
+
+	err = sysdev_class_register(&alchemy_ic_sysdev_class);
+	if (err)
+		return err;
+
+	for (i = 0; i < 2; i++) {
+		icdev = kzalloc(sizeof(struct alchemy_ic_sysdev), GFP_KERNEL);
+		if (!icdev)
+			return -ENOMEM;
+
+		icdev->base = ioremap(icbase[i], 0x1000);
+
+		icdev->sysdev.id = i;
+		icdev->sysdev.cls = &alchemy_ic_sysdev_class;
+		err = sysdev_register(&icdev->sysdev);
+		if (err) {
+			kfree(icdev);
+			return err;
+		}
+	}
+
+	return 0;
+}
+device_initcall(alchemy_ic_sysdev_init);
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index 6ab7b42aa1b..11e5ec74841 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -106,9 +106,6 @@ static void save_core_regs(void)
 	sleep_usb[1] = au_readl(0xb4020024);	/* OTG_MUX */
 #endif
 
-	/* Save interrupt controller state. */
-	save_au1xxx_intctl();
-
 	/* Clocks and PLLs. */
 	sleep_sys_clocks[0] = au_readl(SYS_FREQCTRL0);
 	sleep_sys_clocks[1] = au_readl(SYS_FREQCTRL1);
@@ -200,8 +197,6 @@ static void restore_core_regs(void)
 		au_writel(sleep_uart0_clkdiv, UART0_ADDR + UART_CLK); au_sync();
 	}
 
-	restore_au1xxx_intctl();
-
 #if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
 	au1xxx_dbdma_resume();
 #endif
diff --git a/arch/mips/include/asm/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h
index ae07423e6e8..e76941db231 100644
--- a/arch/mips/include/asm/mach-au1x00/au1000.h
+++ b/arch/mips/include/asm/mach-au1x00/au1000.h
@@ -190,8 +190,6 @@ extern unsigned long au1xxx_calc_clock(void);
 /* PM: arch/mips/alchemy/common/sleeper.S, power.c, irq.c */
 void au1xxx_save_and_sleep(void);
 void au_sleep(void);
-void save_au1xxx_intctl(void);
-void restore_au1xxx_intctl(void);
 
 
 /* SOC Interrupt numbers */
@@ -835,6 +833,38 @@ enum soc_au1200_ints {
 #define MEM_STNAND_DATA 	0x20
 #endif
 
+
+/* Interrupt Controller register offsets */
+#define IC_CFG0RD		0x40
+#define IC_CFG0SET		0x40
+#define IC_CFG0CLR		0x44
+#define IC_CFG1RD		0x48
+#define IC_CFG1SET		0x48
+#define IC_CFG1CLR		0x4C
+#define IC_CFG2RD		0x50
+#define IC_CFG2SET		0x50
+#define IC_CFG2CLR		0x54
+#define IC_REQ0INT		0x54
+#define IC_SRCRD		0x58
+#define IC_SRCSET		0x58
+#define IC_SRCCLR		0x5C
+#define IC_REQ1INT		0x5C
+#define IC_ASSIGNRD		0x60
+#define IC_ASSIGNSET		0x60
+#define IC_ASSIGNCLR		0x64
+#define IC_WAKERD		0x68
+#define IC_WAKESET		0x68
+#define IC_WAKECLR		0x6C
+#define IC_MASKRD		0x70
+#define IC_MASKSET		0x70
+#define IC_MASKCLR		0x74
+#define IC_RISINGRD		0x78
+#define IC_RISINGCLR		0x78
+#define IC_FALLINGRD		0x7C
+#define IC_FALLINGCLR		0x7C
+#define IC_TESTBIT		0x80
+
+
 /* Interrupt Controller 0 */
 #define IC0_CFG0RD		0xB0400040
 #define IC0_CFG0SET		0xB0400040

From 96d660c482e03b2d7b6c0245b95a7cce537606c8 Mon Sep 17 00:00:00 2001
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Wed, 14 Apr 2010 20:33:44 +0200
Subject: [PATCH 2627/3638] MIPS: Alchemy: add sysdev for DBDMA PM.

Add a sysdev for DBDMA PM.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1119/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/alchemy/common/dbdma.c              | 101 +++++++++++++-----
 arch/mips/alchemy/common/power.c              |  11 --
 .../include/asm/mach-au1x00/au1xxx_dbdma.h    |   4 -
 3 files changed, 72 insertions(+), 44 deletions(-)

diff --git a/arch/mips/alchemy/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c
index 99ae84ce5af..ca0506a8585 100644
--- a/arch/mips/alchemy/common/dbdma.c
+++ b/arch/mips/alchemy/common/dbdma.c
@@ -36,6 +36,7 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/sysdev.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1xxx_dbdma.h>
 
@@ -174,10 +175,6 @@ static dbdev_tab_t dbdev_tab[] = {
 
 #define DBDEV_TAB_SIZE	ARRAY_SIZE(dbdev_tab)
 
-#ifdef CONFIG_PM
-static u32 au1xxx_dbdma_pm_regs[NUM_DBDMA_CHANS + 1][6];
-#endif
-
 
 static chan_tab_t *chan_tab_ptr[NUM_DBDMA_CHANS];
 
@@ -960,29 +957,37 @@ u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr)
 	return nbytes;
 }
 
-#ifdef CONFIG_PM
-void au1xxx_dbdma_suspend(void)
+
+struct alchemy_dbdma_sysdev {
+	struct sys_device sysdev;
+	u32 pm_regs[NUM_DBDMA_CHANS + 1][6];
+};
+
+static int alchemy_dbdma_suspend(struct sys_device *dev,
+				 pm_message_t state)
 {
+	struct alchemy_dbdma_sysdev *sdev =
+		container_of(dev, struct alchemy_dbdma_sysdev, sysdev);
 	int i;
 	u32 addr;
 
 	addr = DDMA_GLOBAL_BASE;
-	au1xxx_dbdma_pm_regs[0][0] = au_readl(addr + 0x00);
-	au1xxx_dbdma_pm_regs[0][1] = au_readl(addr + 0x04);
-	au1xxx_dbdma_pm_regs[0][2] = au_readl(addr + 0x08);
-	au1xxx_dbdma_pm_regs[0][3] = au_readl(addr + 0x0c);
+	sdev->pm_regs[0][0] = au_readl(addr + 0x00);
+	sdev->pm_regs[0][1] = au_readl(addr + 0x04);
+	sdev->pm_regs[0][2] = au_readl(addr + 0x08);
+	sdev->pm_regs[0][3] = au_readl(addr + 0x0c);
 
 	/* save channel configurations */
 	for (i = 1, addr = DDMA_CHANNEL_BASE; i <= NUM_DBDMA_CHANS; i++) {
-		au1xxx_dbdma_pm_regs[i][0] = au_readl(addr + 0x00);
-		au1xxx_dbdma_pm_regs[i][1] = au_readl(addr + 0x04);
-		au1xxx_dbdma_pm_regs[i][2] = au_readl(addr + 0x08);
-		au1xxx_dbdma_pm_regs[i][3] = au_readl(addr + 0x0c);
-		au1xxx_dbdma_pm_regs[i][4] = au_readl(addr + 0x10);
-		au1xxx_dbdma_pm_regs[i][5] = au_readl(addr + 0x14);
+		sdev->pm_regs[i][0] = au_readl(addr + 0x00);
+		sdev->pm_regs[i][1] = au_readl(addr + 0x04);
+		sdev->pm_regs[i][2] = au_readl(addr + 0x08);
+		sdev->pm_regs[i][3] = au_readl(addr + 0x0c);
+		sdev->pm_regs[i][4] = au_readl(addr + 0x10);
+		sdev->pm_regs[i][5] = au_readl(addr + 0x14);
 
 		/* halt channel */
-		au_writel(au1xxx_dbdma_pm_regs[i][0] & ~1, addr + 0x00);
+		au_writel(sdev->pm_regs[i][0] & ~1, addr + 0x00);
 		au_sync();
 		while (!(au_readl(addr + 0x14) & 1))
 			au_sync();
@@ -992,32 +997,65 @@ void au1xxx_dbdma_suspend(void)
 	/* disable channel interrupts */
 	au_writel(0, DDMA_GLOBAL_BASE + 0x0c);
 	au_sync();
+
+	return 0;
 }
 
-void au1xxx_dbdma_resume(void)
+static int alchemy_dbdma_resume(struct sys_device *dev)
 {
+	struct alchemy_dbdma_sysdev *sdev =
+		container_of(dev, struct alchemy_dbdma_sysdev, sysdev);
 	int i;
 	u32 addr;
 
 	addr = DDMA_GLOBAL_BASE;
-	au_writel(au1xxx_dbdma_pm_regs[0][0], addr + 0x00);
-	au_writel(au1xxx_dbdma_pm_regs[0][1], addr + 0x04);
-	au_writel(au1xxx_dbdma_pm_regs[0][2], addr + 0x08);
-	au_writel(au1xxx_dbdma_pm_regs[0][3], addr + 0x0c);
+	au_writel(sdev->pm_regs[0][0], addr + 0x00);
+	au_writel(sdev->pm_regs[0][1], addr + 0x04);
+	au_writel(sdev->pm_regs[0][2], addr + 0x08);
+	au_writel(sdev->pm_regs[0][3], addr + 0x0c);
 
 	/* restore channel configurations */
 	for (i = 1, addr = DDMA_CHANNEL_BASE; i <= NUM_DBDMA_CHANS; i++) {
-		au_writel(au1xxx_dbdma_pm_regs[i][0], addr + 0x00);
-		au_writel(au1xxx_dbdma_pm_regs[i][1], addr + 0x04);
-		au_writel(au1xxx_dbdma_pm_regs[i][2], addr + 0x08);
-		au_writel(au1xxx_dbdma_pm_regs[i][3], addr + 0x0c);
-		au_writel(au1xxx_dbdma_pm_regs[i][4], addr + 0x10);
-		au_writel(au1xxx_dbdma_pm_regs[i][5], addr + 0x14);
+		au_writel(sdev->pm_regs[i][0], addr + 0x00);
+		au_writel(sdev->pm_regs[i][1], addr + 0x04);
+		au_writel(sdev->pm_regs[i][2], addr + 0x08);
+		au_writel(sdev->pm_regs[i][3], addr + 0x0c);
+		au_writel(sdev->pm_regs[i][4], addr + 0x10);
+		au_writel(sdev->pm_regs[i][5], addr + 0x14);
 		au_sync();
 		addr += 0x100;	/* next channel base */
 	}
+
+	return 0;
+}
+
+static struct sysdev_class alchemy_dbdma_sysdev_class = {
+	.name		= "dbdma",
+	.suspend	= alchemy_dbdma_suspend,
+	.resume		= alchemy_dbdma_resume,
+};
+
+static int __init alchemy_dbdma_sysdev_init(void)
+{
+	struct alchemy_dbdma_sysdev *sdev;
+	int ret;
+
+	ret = sysdev_class_register(&alchemy_dbdma_sysdev_class);
+	if (ret)
+		return ret;
+
+	sdev = kzalloc(sizeof(struct alchemy_dbdma_sysdev), GFP_KERNEL);
+	if (!sdev)
+		return -ENOMEM;
+
+	sdev->sysdev.id = -1;
+	sdev->sysdev.cls = &alchemy_dbdma_sysdev_class;
+	ret = sysdev_register(&sdev->sysdev);
+	if (ret)
+		kfree(sdev);
+
+	return ret;
 }
-#endif	/* CONFIG_PM */
 
 static int __init au1xxx_dbdma_init(void)
 {
@@ -1046,6 +1084,11 @@ static int __init au1xxx_dbdma_init(void)
 	else {
 		dbdma_initialized = 1;
 		printk(KERN_INFO "Alchemy DBDMA initialized\n");
+		ret = alchemy_dbdma_sysdev_init();
+		if (ret) {
+			printk(KERN_ERR "DBDMA PM init failed\n");
+			ret = 0;
+		}
 	}
 
 	return ret;
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index 11e5ec74841..14eb8c492da 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -36,9 +36,6 @@
 
 #include <asm/uaccess.h>
 #include <asm/mach-au1x00/au1000.h>
-#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
-#include <asm/mach-au1x00/au1xxx_dbdma.h>
-#endif
 
 #ifdef CONFIG_PM
 
@@ -129,10 +126,6 @@ static void save_core_regs(void)
 	sleep_static_memctlr[3][0] = au_readl(MEM_STCFG3);
 	sleep_static_memctlr[3][1] = au_readl(MEM_STTIME3);
 	sleep_static_memctlr[3][2] = au_readl(MEM_STADDR3);
-
-#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
-	au1xxx_dbdma_suspend();
-#endif
 }
 
 static void restore_core_regs(void)
@@ -196,10 +189,6 @@ static void restore_core_regs(void)
 		au_writel(sleep_uart0_linectl, UART0_ADDR + UART_LCR); au_sync();
 		au_writel(sleep_uart0_clkdiv, UART0_ADDR + UART_CLK); au_sync();
 	}
-
-#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
-	au1xxx_dbdma_resume();
-#endif
 }
 
 void au_sleep(void)
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
index 8c6b1105ce0..c8a553a36ba 100644
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
@@ -358,10 +358,6 @@ u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr);
 u32 au1xxx_ddma_add_device(dbdev_tab_t *dev);
 extern void au1xxx_ddma_del_device(u32 devid);
 void *au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp);
-#ifdef CONFIG_PM
-void au1xxx_dbdma_suspend(void);
-void au1xxx_dbdma_resume(void);
-#endif
 
 /*
  *	Flags for the put_source/put_dest functions.

From c197da9163a42e6faeb051f331868b9245836eef Mon Sep 17 00:00:00 2001
From: Arnaud Patard <apatard@mandriva.com>
Date: Thu, 29 Apr 2010 11:58:54 +0200
Subject: [PATCH 2628/3638] MIPS: Loongson 2F: Add gpio/gpioilb support

Signed-off-by: Arnaud Patard <apatard@mandriva.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1163/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/Kconfig                          |   2 +
 arch/mips/include/asm/mach-loongson/gpio.h |  35 ++++++
 arch/mips/loongson/common/Makefile         |   1 +
 arch/mips/loongson/common/gpio.c           | 139 +++++++++++++++++++++
 4 files changed, 177 insertions(+)
 create mode 100644 arch/mips/include/asm/mach-loongson/gpio.h
 create mode 100644 arch/mips/loongson/common/gpio.c

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7e6fd1cbd3f..cdaae942623 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1075,6 +1075,8 @@ config CPU_LOONGSON2F
 	bool "Loongson 2F"
 	depends on SYS_HAS_CPU_LOONGSON2F
 	select CPU_LOONGSON2
+	select GENERIC_GPIO
+	select ARCH_REQUIRE_GPIOLIB
 	help
 	  The Loongson 2F processor implements the MIPS III instruction set
 	  with many extensions.
diff --git a/arch/mips/include/asm/mach-loongson/gpio.h b/arch/mips/include/asm/mach-loongson/gpio.h
new file mode 100644
index 00000000000..e30e73d443d
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson/gpio.h
@@ -0,0 +1,35 @@
+/*
+ * STLS2F GPIO Support
+ *
+ * Copyright (c) 2008  Richard Liu, STMicroelectronics <richard.liu@st.com>
+ * Copyright (c) 2008-2010  Arnaud Patard <apatard@mandriva.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef	__STLS2F_GPIO_H
+#define	__STLS2F_GPIO_H
+
+#include <asm-generic/gpio.h>
+
+extern void gpio_set_value(unsigned gpio, int value);
+extern int gpio_get_value(unsigned gpio);
+extern int gpio_cansleep(unsigned gpio);
+
+/* The chip can do interrupt
+ * but it has not been tested and doc not clear
+ */
+static inline int gpio_to_irq(int gpio)
+{
+	return -EINVAL;
+}
+
+static inline int irq_to_gpio(int gpio)
+{
+	return -EINVAL;
+}
+
+#endif				/* __STLS2F_GPIO_H */
diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
index 7668c4de115..cdd2e812ba1 100644
--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -4,6 +4,7 @@
 
 obj-y += setup.o init.o cmdline.o env.o time.o reset.o irq.o \
     pci.o bonito-irq.o mem.o machtype.o platform.o
+obj-$(CONFIG_GENERIC_GPIO) += gpio.o
 
 #
 # Serial port support
diff --git a/arch/mips/loongson/common/gpio.c b/arch/mips/loongson/common/gpio.c
new file mode 100644
index 00000000000..e8a0ffa935b
--- /dev/null
+++ b/arch/mips/loongson/common/gpio.c
@@ -0,0 +1,139 @@
+/*
+ *  STLS2F GPIO Support
+ *
+ *  Copyright (c) 2008 Richard Liu,  STMicroelectronics  <richard.liu@st.com>
+ *  Copyright (c) 2008-2010 Arnaud Patard <apatard@mandriva.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/err.h>
+#include <asm/types.h>
+#include <loongson.h>
+#include <linux/gpio.h>
+
+#define STLS2F_N_GPIO		4
+#define STLS2F_GPIO_IN_OFFSET	16
+
+static DEFINE_SPINLOCK(gpio_lock);
+
+int gpio_get_value(unsigned gpio)
+{
+	u32 val;
+	u32 mask;
+
+	if (gpio >= STLS2F_N_GPIO)
+		return __gpio_get_value(gpio);
+
+	mask = 1 << (gpio + STLS2F_GPIO_IN_OFFSET);
+	spin_lock(&gpio_lock);
+	val = LOONGSON_GPIODATA;
+	spin_unlock(&gpio_lock);
+
+	return ((val & mask) != 0);
+}
+EXPORT_SYMBOL(gpio_get_value);
+
+void gpio_set_value(unsigned gpio, int state)
+{
+	u32 val;
+	u32 mask;
+
+	if (gpio >= STLS2F_N_GPIO) {
+		__gpio_set_value(gpio, state);
+		return ;
+	}
+
+	mask = 1 << gpio;
+
+	spin_lock(&gpio_lock);
+	val = LOONGSON_GPIODATA;
+	if (state)
+		val |= mask;
+	else
+		val &= (~mask);
+	LOONGSON_GPIODATA = val;
+	spin_unlock(&gpio_lock);
+}
+EXPORT_SYMBOL(gpio_set_value);
+
+int gpio_cansleep(unsigned gpio)
+{
+	if (gpio < STLS2F_N_GPIO)
+		return 0;
+	else
+		return __gpio_cansleep(gpio);
+}
+EXPORT_SYMBOL(gpio_cansleep);
+
+static int ls2f_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+	u32 temp;
+	u32 mask;
+
+	if (gpio >= STLS2F_N_GPIO)
+		return -EINVAL;
+
+	spin_lock(&gpio_lock);
+	mask = 1 << gpio;
+	temp = LOONGSON_GPIOIE;
+	temp |= mask;
+	LOONGSON_GPIOIE = temp;
+	spin_unlock(&gpio_lock);
+
+	return 0;
+}
+
+static int ls2f_gpio_direction_output(struct gpio_chip *chip,
+		unsigned gpio, int level)
+{
+	u32 temp;
+	u32 mask;
+
+	if (gpio >= STLS2F_N_GPIO)
+		return -EINVAL;
+
+	gpio_set_value(gpio, level);
+	spin_lock(&gpio_lock);
+	mask = 1 << gpio;
+	temp = LOONGSON_GPIOIE;
+	temp &= (~mask);
+	LOONGSON_GPIOIE = temp;
+	spin_unlock(&gpio_lock);
+
+	return 0;
+}
+
+static int ls2f_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+	return gpio_get_value(gpio);
+}
+
+static void ls2f_gpio_set_value(struct gpio_chip *chip,
+		unsigned gpio, int value)
+{
+	gpio_set_value(gpio, value);
+}
+
+static struct gpio_chip ls2f_chip = {
+	.label                  = "ls2f",
+	.direction_input        = ls2f_gpio_direction_input,
+	.get                    = ls2f_gpio_get_value,
+	.direction_output       = ls2f_gpio_direction_output,
+	.set                    = ls2f_gpio_set_value,
+	.base                   = 0,
+	.ngpio                  = STLS2F_N_GPIO,
+};
+
+static int __init ls2f_gpio_setup(void)
+{
+	return gpiochip_add(&ls2f_chip);
+}
+arch_initcall(ls2f_gpio_setup);

From 3f135530448104c01153fe048024366203196798 Mon Sep 17 00:00:00 2001
From: Shane McDonald <mcdonald.shane@gmail.com>
Date: Fri, 7 May 2010 00:02:09 -0600
Subject: [PATCH 2629/3638] MIPS: Coding style cleanups of access of FCSR
 rounding mode bits

Replaces references to the magic number 0x3 with constants and macros
indicating the real purpose of those bits.  They are the rounding mode
bits of the FCSR register.

Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com>
To: anemo@mba.ocn.ne.jp
To: kevink@paralogos.com
To: linux-mips@linux-mips.org
To: sshtylyov@mvista.com
Patchwork: http://patchwork.linux-mips.org/patch/1206/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/math-emu/cp1emu.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index f2338d1c0b4..47842b7d26a 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -354,7 +354,8 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
 
 			if (MIPSInst_RD(ir) == FPCREG_CSR) {
 				value = ctx->fcr31;
-				value = (value & ~0x3) | mips_rm[value & 0x3];
+				value = (value & ~FPU_CSR_RM) |
+					mips_rm[modeindex(value)];
 #ifdef CSRTRACE
 				printk("%p gpr[%d]<-csr=%08x\n",
 					(void *) (xcp->cp0_epc),
@@ -907,7 +908,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			ieee754sp fs;
 
 			SPFROMREG(fs, MIPSInst_FS(ir));
-			ieee754_csr.rm = ieee_rm[MIPSInst_FUNC(ir) & 0x3];
+			ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
 			rv.w = ieee754sp_tint(fs);
 			ieee754_csr.rm = oldrm;
 			rfmt = w_fmt;
@@ -933,7 +934,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			ieee754sp fs;
 
 			SPFROMREG(fs, MIPSInst_FS(ir));
-			ieee754_csr.rm = ieee_rm[MIPSInst_FUNC(ir) & 0x3];
+			ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
 			rv.l = ieee754sp_tlong(fs);
 			ieee754_csr.rm = oldrm;
 			rfmt = l_fmt;
@@ -1081,7 +1082,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			ieee754dp fs;
 
 			DPFROMREG(fs, MIPSInst_FS(ir));
-			ieee754_csr.rm = ieee_rm[MIPSInst_FUNC(ir) & 0x3];
+			ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
 			rv.w = ieee754dp_tint(fs);
 			ieee754_csr.rm = oldrm;
 			rfmt = w_fmt;
@@ -1107,7 +1108,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			ieee754dp fs;
 
 			DPFROMREG(fs, MIPSInst_FS(ir));
-			ieee754_csr.rm = ieee_rm[MIPSInst_FUNC(ir) & 0x3];
+			ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
 			rv.l = ieee754dp_tlong(fs);
 			ieee754_csr.rm = oldrm;
 			rfmt = l_fmt;

From 4f1e099582c119cf73d6a873b53e8edaa773d065 Mon Sep 17 00:00:00 2001
From: David VomLehn <dvomlehn@cisco.com>
Date: Fri, 7 May 2010 15:17:02 -0700
Subject: [PATCH 2630/3638] MIPS: Clean up tables for bootmem allocation

Modifications to the boot memory allocation structures to make them easier
to read and maintain. Note that this will not pass checkpatch because
it wants a structure element initializer to be enclosed in a
do {...} while(...), which is obvious nonsensical.

Signed-off-by: David VomLehn <dvomlehn@cisco.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1207/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/powertv/asic/prealloc-calliope.c   | 685 ++++++-------------
 arch/mips/powertv/asic/prealloc-cronus.c     | 668 ++++++------------
 arch/mips/powertv/asic/prealloc-cronuslite.c | 302 +++-----
 arch/mips/powertv/asic/prealloc-zeus.c       | 507 +++++---------
 arch/mips/powertv/asic/prealloc.h            |  70 ++
 5 files changed, 764 insertions(+), 1468 deletions(-)
 create mode 100644 arch/mips/powertv/asic/prealloc.h

diff --git a/arch/mips/powertv/asic/prealloc-calliope.c b/arch/mips/powertv/asic/prealloc-calliope.c
index cd5b76a1c95..3fc5d46687a 100644
--- a/arch/mips/powertv/asic/prealloc-calliope.c
+++ b/arch/mips/powertv/asic/prealloc-calliope.c
@@ -22,7 +22,9 @@
  */
 
 #include <linux/init.h>
+#include <linux/ioport.h>
 #include <asm/mach-powertv/asic.h>
+#include "prealloc.h"
 
 /*
  * NON_DVR_CAPABLE CALLIOPE RESOURCES
@@ -32,432 +34,234 @@ struct resource non_dvr_calliope_resources[] __initdata =
 	/*
 	 * VIDEO / LX1
 	 */
-	{
-		.name   = "ST231aImage",     	/* Delta-Mu 1 image and ram */
-		.start  = 0x24000000,
-		.end    = 0x24200000 - 1,	/*2MiB */
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ST231aMonitor",   /*8KiB block ST231a monitor */
-		.start  = 0x24200000,
-		.end    = 0x24202000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x24202000,
-		.end    = 0x26700000 - 1, /*~36.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Delta-Mu 1 image (2MiB) */
+	PREALLOC_NORMAL("ST231aImage", 0x24000000, 0x24200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231aMonitor", 0x24200000, 0x24202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 RAM (~36.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory1", 0x24202000, 0x26700000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * Sysaudio Driver
 	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* DSP code and data images (1MiB) */
+	PREALLOC_NORMAL("DSP_Image_Buff", 0x00000000, 0x00100000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC CPU PCM buffer (40KiB) */
+	PREALLOC_NORMAL("ADSC_CPU_PCM_Buff", 0x00000000, 0x0000A000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC AUX buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_AUX_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC Main buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_Main_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * STAVEM driver/STAPI
 	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x00000000,
-		.end    = 0x00600000 - 1,	/* 6 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 6MiB */
+	PREALLOC_NORMAL("AVMEMPartition0", 0x00000000, 0x00600000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * DOCSIS Subsystem
 	 */
-	{
-		.name   = "Docsis",
-		.start  = 0x22000000,
-		.end    = 0x22700000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 7MiB */
+	PREALLOC_DOCSIS("Docsis", 0x27500000, 0x27c00000-1, IORESOURCE_MEM)
+
 	/*
 	 * GHW HAL Driver
 	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x22700000,
-		.end    = 0x23500000 - 1,	/* 14 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* PowerTV Graphics Heap (14MiB) */
+	PREALLOC_NORMAL("GraphicsHeap", 0x26700000, 0x26700000+(14*1048576)-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * multi com buffer area
 	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x23700000,
-		.end    = 0x23720000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 128KiB */
+	PREALLOC_NORMAL("MulticomSHM", 0x23700000, 0x23720000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * DMA Ring buffer (don't need recording buffers)
 	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x000AA000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 680KiB */
+	PREALLOC_NORMAL("BMM_Buffer", 0x00000000, 0x000AA000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Display bins buffer for unit0
 	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,		/* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins0", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * AVFS: player HAL memory
-	 *
-	 *
 	 */
-	{
-		.name   = "AvfsDmaMem",
-		.start  = 0x00000000,
-		.end    = 0x002c4c00 - 1,	/* 945K * 3 for playback */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 945K * 3 for playback */
+	PREALLOC_NORMAL("AvfsDmaMem", 0x00000000, 0x002c4c00-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * PMEM
 	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Persistent memory for diagnostics (64KiB) */
+	PREALLOC_PMEM("DiagPersistentMemory", 0x00000000, 0x10000-1,
+	     (IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Smartcard
 	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x00000000,
-		.end    = 0x2800 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Read and write buffers for Internal/External cards (10KiB) */
+	PREALLOC_NORMAL("SmartCardInfo", 0x00000000, 0x2800-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * NAND Flash
 	 */
-	{
-		.name   = "NandFlash",
-		.start  = NAND_FLASH_BASE,
-		.end    = NAND_FLASH_BASE + 0x400 - 1,
-		.flags  = IORESOURCE_IO,
-	},
+	/* 10KiB */
+	PREALLOC_NORMAL("NandFlash", NAND_FLASH_BASE, NAND_FLASH_BASE+0x400-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * Synopsys GMAC Memory Region
 	 */
-	{
-		.name   = "GMAC",
-		.start  = 0x00000000,
-		.end    = 0x00010000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 64KiB */
+	PREALLOC_NORMAL("GMAC", 0x00000000, 0x00010000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
+	/*
+	 * TFTPBuffer
+	 *
+	 *  This buffer is used in some minimal configurations (e.g. two-way
+	 *  loader) for storing software images
+	 */
+	PREALLOC_TFTP("TFTPBuffer", 0x00000000, MEBIBYTE(80)-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Add other resources here
-	 *
 	 */
-	{ },
+
+	/*
+	 * End of Resource marker
+	 */
+	{
+		.flags  = 0,
+	},
 };
 
-struct resource non_dvr_vz_calliope_resources[] __initdata =
-{
-	/*
-	 * VIDEO / LX1
-	 */
-	{
-		.name   = "ST231aImage",	/* Delta-Mu 1 image and ram */
-		.start  = 0x24000000,
-		.end    = 0x24200000 - 1, /*2 Meg */
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ST231aMonitor",	/* 8k block ST231a monitor */
-		.start  = 0x24200000,
-		.end    = 0x24202000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x22202000,
-		.end    = 0x22C20B85 - 1,	/* 10.12 Meg */
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * Sysaudio Driver
-	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * STAVEM driver/STAPI
-	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x20300000,
-		.end    = 0x20620000-1,  /*3.125 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * GHW HAL Driver
-	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x20100000,
-		.end    = 0x20300000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * multi com buffer area
-	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x23900000,
-		.end    = 0x23920000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * DMA Ring buffer
-	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x000AA000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * Display bins buffer for unit0
-	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * PMEM
-	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * Smartcard
-	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x00000000,
-		.end    = 0x2800 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * NAND Flash
-	 */
-	{
-		.name   = "NandFlash",
-		.start  = NAND_FLASH_BASE,
-		.end    = NAND_FLASH_BASE+0x400 - 1,
-		.flags  = IORESOURCE_IO,
-	},
-	/*
-	 * Synopsys GMAC Memory Region
-	 */
-	{
-		.name   = "GMAC",
-		.start  = 0x00000000,
-		.end    = 0x00010000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	/*
-	 * Add other resources here
-	 */
-	{ },
-};
 
 struct resource non_dvr_vze_calliope_resources[] __initdata =
 {
 	/*
 	 * VIDEO / LX1
 	 */
-	{
-		.name   = "ST231aImage",	/* Delta-Mu 1 image and ram */
-		.start  = 0x22000000,
-		.end    = 0x22200000 - 1,	/*2  Meg */
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ST231aMonitor",	/* 8k block ST231a monitor */
-		.start  = 0x22200000,
-		.end    = 0x22202000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x22202000,
-		.end    = 0x22C20B85 - 1,	/* 10.12 Meg */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Delta-Mu 1 image (2MiB) */
+	PREALLOC_NORMAL("ST231aImage", 0x22000000, 0x22200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231aMonitor", 0x22200000, 0x22202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 RAM (10.12MiB) */
+	PREALLOC_NORMAL("MediaMemory1", 0x22202000, 0x22C20B85-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * Sysaudio Driver
 	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* DSP code and data images (1MiB) */
+	PREALLOC_NORMAL("DSP_Image_Buff", 0x00000000, 0x00100000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC CPU PCM buffer (40KiB) */
+	PREALLOC_NORMAL("ADSC_CPU_PCM_Buff", 0x00000000, 0x0000A000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC AUX buffer (16KiB) */
+	PREALLOC_NORMAL("ADSC_AUX_Buff", 0x00000000, 0x00004000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC Main buffer (16KiB) */
+	PREALLOC_NORMAL("ADSC_Main_Buff", 0x00000000, 0x00004000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * STAVEM driver/STAPI
 	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x20396000,
-		.end    = 0x206B6000 - 1,		/* 3.125 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 3.125MiB */
+	PREALLOC_NORMAL("AVMEMPartition0", 0x20396000, 0x206B6000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * GHW HAL Driver
 	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x20100000,
-		.end    = 0x20396000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* PowerTV Graphics Heap (2.59MiB) */
+	PREALLOC_NORMAL("GraphicsHeap", 0x20100000, 0x20396000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * multi com buffer area
 	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x206B6000,
-		.end    = 0x206D6000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 128KiB */
+	PREALLOC_NORMAL("MulticomSHM", 0x206B6000, 0x206D6000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 * DMA Ring buffer
+	 * DMA Ring buffer (don't need recording buffers)
 	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x000AA000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 680KiB */
+	PREALLOC_NORMAL("BMM_Buffer", 0x00000000, 0x000AA000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Display bins buffer for unit0
 	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins0", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * PMEM
 	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Persistent memory for diagnostics (64KiB) */
+	PREALLOC_PMEM("DiagPersistentMemory", 0x00000000, 0x10000-1,
+	     (IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Smartcard
 	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x00000000,
-		.end    = 0x2800 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Read and write buffers for Internal/External cards (10KiB) */
+	PREALLOC_NORMAL("SmartCardInfo", 0x00000000, 0x2800-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * NAND Flash
 	 */
-	{
-		.name   = "NandFlash",
-		.start  = NAND_FLASH_BASE,
-		.end    = NAND_FLASH_BASE+0x400 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 10KiB */
+	PREALLOC_NORMAL("NandFlash", NAND_FLASH_BASE, NAND_FLASH_BASE+0x400-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * Synopsys GMAC Memory Region
 	 */
-	{
-		.name   = "GMAC",
-		.start  = 0x00000000,
-		.end    = 0x00010000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 64KiB */
+	PREALLOC_NORMAL("GMAC", 0x00000000, 0x00010000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Add other resources here
 	 */
-	{ },
+
+	/*
+	 * End of Resource marker
+	 */
+	{
+		.flags  = 0,
+	},
 };
 
 struct resource non_dvr_vzf_calliope_resources[] __initdata =
@@ -465,156 +269,117 @@ struct resource non_dvr_vzf_calliope_resources[] __initdata =
 	/*
 	 * VIDEO / LX1
 	 */
-	{
-		.name   = "ST231aImage",	/*Delta-Mu 1 image and ram */
-		.start  = 0x24000000,
-		.end    = 0x24200000 - 1,	/*2MiB */
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ST231aMonitor",	/*8KiB block ST231a monitor */
-		.start  = 0x24200000,
-		.end    = 0x24202000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x24202000,
-		/* ~19.4 (21.5MiB - (2MiB + 8KiB)) */
-		.end    = 0x25580000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Delta-Mu 1 image (2MiB) */
+	PREALLOC_NORMAL("ST231aImage", 0x24000000, 0x24200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231aMonitor", 0x24200000, 0x24202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 RAM (~19.4 (21.5MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory1", 0x24202000, 0x25580000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * Sysaudio Driver
 	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* DSP code and data images (1MiB) */
+	PREALLOC_NORMAL("DSP_Image_Buff", 0x00000000, 0x00100000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC CPU PCM buffer (40KiB) */
+	PREALLOC_NORMAL("ADSC_CPU_PCM_Buff", 0x00000000, 0x0000A000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC AUX buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_AUX_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC Main buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_Main_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * STAVEM driver/STAPI
 	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x00000000,
-		.end    = 0x00480000 - 1,  /* 4.5 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4.5MiB */
+	PREALLOC_NORMAL("AVMEMPartition0", 0x00000000, 0x00480000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * GHW HAL Driver
 	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x22700000,
-		.end    = 0x23500000 - 1, /* 14 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* PowerTV Graphics Heap (14MiB) */
+	PREALLOC_NORMAL("GraphicsHeap", 0x25600000, 0x25600000+(14*1048576)-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * multi com buffer area
 	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x23700000,
-		.end    = 0x23720000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 128KiB */
+	PREALLOC_NORMAL("MulticomSHM", 0x23700000, 0x23720000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * DMA Ring buffer (don't need recording buffers)
 	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x000AA000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 680KiB */
+	PREALLOC_NORMAL("BMM_Buffer", 0x00000000, 0x000AA000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Display bins buffer for unit0
 	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,  /* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins0", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Display bins buffer for unit1
 	 */
-	{
-		.name   = "DisplayBins1",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,  /* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins1", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * AVFS: player HAL memory
-	 *
-	 *
 	 */
-	{
-		.name   = "AvfsDmaMem",
-		.start  = 0x00000000,
-		.end    = 0x002c4c00 - 1,  /* 945K * 3 for playback */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 945K * 3 for playback */
+	PREALLOC_NORMAL("AvfsDmaMem", 0x00000000, 0x002c4c00-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * PMEM
 	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Persistent memory for diagnostics (64KiB) */
+	PREALLOC_PMEM("DiagPersistentMemory", 0x00000000, 0x10000-1,
+	     (IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Smartcard
 	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x00000000,
-		.end    = 0x2800 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Read and write buffers for Internal/External cards (10KiB) */
+	PREALLOC_NORMAL("SmartCardInfo", 0x00000000, 0x2800-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * NAND Flash
 	 */
-	{
-		.name   = "NandFlash",
-		.start  = NAND_FLASH_BASE,
-		.end    = NAND_FLASH_BASE + 0x400 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 10KiB */
+	PREALLOC_NORMAL("NandFlash", NAND_FLASH_BASE, NAND_FLASH_BASE+0x400-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * Synopsys GMAC Memory Region
 	 */
-	{
-		.name   = "GMAC",
-		.start  = 0x00000000,
-		.end    = 0x00010000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 64KiB */
+	PREALLOC_NORMAL("GMAC", 0x00000000, 0x00010000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Add other resources here
 	 */
-	{ },
+
+	/*
+	 * End of Resource marker
+	 */
+	{
+		.flags  = 0,
+	},
 };
diff --git a/arch/mips/powertv/asic/prealloc-cronus.c b/arch/mips/powertv/asic/prealloc-cronus.c
index 45a5c3ea718..c532b50521e 100644
--- a/arch/mips/powertv/asic/prealloc-cronus.c
+++ b/arch/mips/powertv/asic/prealloc-cronus.c
@@ -22,7 +22,9 @@
  */
 
 #include <linux/init.h>
+#include <linux/ioport.h>
 #include <asm/mach-powertv/asic.h>
+#include "prealloc.h"
 
 /*
  * DVR_CAPABLE CRONUS RESOURCES
@@ -30,305 +32,161 @@
 struct resource dvr_cronus_resources[] __initdata =
 {
 	/*
-	 *
 	 * VIDEO1 / LX1
-	 *
 	 */
-	{
-		.name   = "ST231aImage",	/* Delta-Mu 1 image and ram */
-		.start  = 0x24000000,
-		.end    = 0x241FFFFF,		/* 2MiB */
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ST231aMonitor",	/* 8KiB block ST231a monitor */
-		.start  = 0x24200000,
-		.end    = 0x24201FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x24202000,
-		.end    = 0x25FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Delta-Mu 1 image (2MiB) */
+	PREALLOC_NORMAL("ST231aImage", 0x24000000, 0x24200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231aMonitor", 0x24200000, 0x24202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 RAM (~29.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory1", 0x24202000, 0x26000000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * VIDEO2 / LX2
-	 *
 	 */
-	{
-		.name   = "ST231bImage",	/* Delta-Mu 2 image and ram */
-		.start  = 0x60000000,
-		.end    = 0x601FFFFF,		/* 2MiB */
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "ST231bMonitor",	/* 8KiB block ST231b monitor */
-		.start  = 0x60200000,
-		.end    = 0x60201FFF,
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "MediaMemory2",
-		.start  = 0x60202000,
-		.end    = 0x61FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_IO,
-	},
+	/* Delta-Mu 2 image (2MiB) */
+	PREALLOC_NORMAL("ST231bImage", 0x60000000, 0x60200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 2 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231bMonitor", 0x60200000, 0x60202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 2 RAM (~29.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory2", 0x60202000, 0x62000000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * Sysaudio Driver
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  DSP_Image_Buff - DSP code and data images (1MB)
-	 *  ADSC_CPU_PCM_Buff - ADSC CPU PCM buffer (40KB)
-	 *  ADSC_AUX_Buff - ADSC AUX buffer (16KB)
-	 *  ADSC_Main_Buff - ADSC Main buffer (16KB)
-	 *
 	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* DSP code and data images (1MiB) */
+	PREALLOC_NORMAL("DSP_Image_Buff", 0x00000000, 0x00100000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC CPU PCM buffer (40KiB) */
+	PREALLOC_NORMAL("ADSC_CPU_PCM_Buff", 0x00000000, 0x0000A000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC AUX buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_AUX_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC Main buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_Main_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * STAVEM driver/STAPI
 	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
 	 *  This memory area is used for allocating buffers for Video decoding
 	 *  purposes.  Allocation/De-allocation within this buffer is managed
 	 *  by the STAVMEM driver of the STAPI.  They could be Decimated
 	 *  Picture Buffers, Intermediate Buffers, as deemed necessary for
 	 *  video decoding purposes, for any video decoders on Zeus.
-	 *
 	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x63580000,
-		.end    = 0x64180000 - 1,  /* 12 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 12MiB */
+	PREALLOC_NORMAL("AVMEMPartition0", 0x00000000, 0x00c00000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * DOCSIS Subsystem
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "Docsis",
-		.start  = 0x62000000,
-		.end    = 0x62700000 - 1,	/* 7 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 7MiB */
+	PREALLOC_DOCSIS("Docsis", 0x67500000, 0x67c00000-1, IORESOURCE_MEM)
+
 	/*
-	 *
 	 * GHW HAL Driver
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  GraphicsHeap - PowerTV Graphics Heap
-	 *
 	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x62700000,
-		.end    = 0x63500000 - 1,	/* 14 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* PowerTV Graphics Heap (14MiB) */
+	PREALLOC_NORMAL("GraphicsHeap", 0x62700000, 0x63500000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * multi com buffer area
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x26000000,
-		.end    = 0x26020000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 128KiB */
+	PREALLOC_NORMAL("MulticomSHM", 0x26000000, 0x26020000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * DMA Ring buffer
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x00280000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	PREALLOC_NORMAL("BMM_Buffer", 0x00000000, 0x002EA000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * Display bins buffer for unit0
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Display Bins for unit0
-	 *
 	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,		/* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins0", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
-	 * Display bins buffer
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Display Bins for unit1
-	 *
+	 * Display bins buffer for unit1
 	 */
-	{
-		.name   = "DisplayBins1",
-		.start  = 0x64AD4000,
-		.end    = 0x64AD5000 - 1,  /* 4 KB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins1", 0x00000000, 0x00001000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * ITFS
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "ITFS",
-		.start  = 0x64180000,
-		/* 815,104 bytes each for 2 ITFS partitions. */
-		.end    = 0x6430DFFF,
-		.flags  = IORESOURCE_IO,
-	},
+	/* 815,104 bytes each for 2 ITFS partitions. */
+	PREALLOC_NORMAL("ITFS", 0x00000000, 0x0018E000-1, IORESOURCE_MEM)
+
 	/*
-	 *
 	 * AVFS
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "AvfsDmaMem",
-		.start  = 0x6430E000,
-		/* (945K * 8) = (128K *3) 5 playbacks / 3 server */
-		.end    = 0x64AD0000 - 1,
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "AvfsFileSys",
-		.start  = 0x64AD0000,
-		.end    = 0x64AD1000 - 1,  /* 4K */
-		.flags  = IORESOURCE_IO,
-	},
+	/* (945K * 8) = (128K * 3) 5 playbacks / 3 server */
+	PREALLOC_NORMAL("AvfsDmaMem", 0x00000000, 0x007c2000-1,
+		IORESOURCE_MEM)
+
+	/* 4KiB */
+	PREALLOC_NORMAL("AvfsFileSys", 0x00000000, 0x00001000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * PMEM
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Persistent memory for diagnostics.
-	 *
 	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Persistent memory for diagnostics (64KiB) */
+	PREALLOC_PMEM("DiagPersistentMemory", 0x00000000, 0x10000-1,
+	     (IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * Smartcard
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Read and write buffers for Internal/External cards
-	 *
 	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x64AD1000,
-		.end    = 0x64AD3800 - 1,
-		.flags  = IORESOURCE_IO,
-	},
+	/* Read and write buffers for Internal/External cards (10KiB) */
+	PREALLOC_NORMAL("SmartCardInfo", 0x00000000, 0x2800-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * KAVNET
-	 *    NP Reset Vector - must be of the form xxCxxxxx
-	 *	   NP Image - must be video bank 1
-	 *	   NP IPC - must be video bank 2
 	 */
-	{
-		.name   = "NP_Reset_Vector",
-		.start  = 0x27c00000,
-		.end    = 0x27c01000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "NP_Image",
-		.start  = 0x27020000,
-		.end    = 0x27060000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "NP_IPC",
-		.start  = 0x63500000,
-		.end    = 0x63580000 - 1,
-		.flags  = IORESOURCE_IO,
-	},
+	/* NP Reset Vector - must be of the form xxCxxxxx (4KiB) */
+	PREALLOC_NORMAL("NP_Reset_Vector", 0x27c00000, 0x27c01000-1,
+		IORESOURCE_MEM)
+	/* NP Image - must be video bank 1 (320KiB) */
+	PREALLOC_NORMAL("NP_Image", 0x27020000, 0x27070000-1, IORESOURCE_MEM)
+	/* NP IPC - must be video bank 2 (512KiB) */
+	PREALLOC_NORMAL("NP_IPC", 0x63500000, 0x63580000-1, IORESOURCE_MEM)
+
+	/*
+	 * TFTPBuffer
+	 *
+	 *  This buffer is used in some minimal configurations (e.g. two-way
+	 *  loader) for storing software images
+	 */
+	PREALLOC_TFTP("TFTPBuffer", 0x00000000, MEBIBYTE(80)-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Add other resources here
 	 */
-	{ },
+
+	/*
+	 * End of Resource marker
+	 */
+	{
+		.flags  = 0,
+	},
 };
 
 /*
@@ -337,272 +195,146 @@ struct resource dvr_cronus_resources[] __initdata =
 struct resource non_dvr_cronus_resources[] __initdata =
 {
 	/*
-	 *
 	 * VIDEO1 / LX1
-	 *
 	 */
-	{
-		.name   = "ST231aImage",	/* Delta-Mu 1 image and ram */
-		.start  = 0x24000000,
-		.end    = 0x241FFFFF,		/* 2MiB */
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ST231aMonitor",	/* 8KiB block ST231a monitor */
-		.start  = 0x24200000,
-		.end    = 0x24201FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x24202000,
-		.end    = 0x25FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Delta-Mu 1 image (2MiB) */
+	PREALLOC_NORMAL("ST231aImage", 0x24000000, 0x24200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231aMonitor", 0x24200000, 0x24202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 RAM (~29.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory1", 0x24202000, 0x26000000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * VIDEO2 / LX2
-	 *
 	 */
-	{
-		.name   = "ST231bImage",	/* Delta-Mu 2 image and ram */
-		.start  = 0x60000000,
-		.end    = 0x601FFFFF,		/* 2MiB */
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "ST231bMonitor",	/* 8KiB block ST231b monitor */
-		.start  = 0x60200000,
-		.end    = 0x60201FFF,
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "MediaMemory2",
-		.start  = 0x60202000,
-		.end    = 0x61FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_IO,
-	},
+	/* Delta-Mu 2 image (2MiB) */
+	PREALLOC_NORMAL("ST231bImage", 0x60000000, 0x60200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 2 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231bMonitor", 0x60200000, 0x60202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 2 RAM (~29.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory2", 0x60202000, 0x62000000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * Sysaudio Driver
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  DSP_Image_Buff - DSP code and data images (1MB)
-	 *  ADSC_CPU_PCM_Buff - ADSC CPU PCM buffer (40KB)
-	 *  ADSC_AUX_Buff - ADSC AUX buffer (16KB)
-	 *  ADSC_Main_Buff - ADSC Main buffer (16KB)
-	 *
 	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* DSP code and data images (1MiB) */
+	PREALLOC_NORMAL("DSP_Image_Buff", 0x00000000, 0x00100000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC CPU PCM buffer (40KiB) */
+	PREALLOC_NORMAL("ADSC_CPU_PCM_Buff", 0x00000000, 0x0000A000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC AUX buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_AUX_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC Main buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_Main_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * STAVEM driver/STAPI
 	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
 	 *  This memory area is used for allocating buffers for Video decoding
 	 *  purposes.  Allocation/De-allocation within this buffer is managed
 	 *  by the STAVMEM driver of the STAPI.  They could be Decimated
 	 *  Picture Buffers, Intermediate Buffers, as deemed necessary for
 	 *  video decoding purposes, for any video decoders on Zeus.
-	 *
 	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x63580000,
-		.end    = 0x64180000 - 1,  /* 12 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 12MiB */
+	PREALLOC_NORMAL("AVMEMPartition0", 0x00000000, 0x00c00000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * DOCSIS Subsystem
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "Docsis",
-		.start  = 0x62000000,
-		.end    = 0x62700000 - 1,	/* 7 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 7MiB */
+	PREALLOC_DOCSIS("Docsis", 0x67500000, 0x67c00000-1, IORESOURCE_MEM)
+
 	/*
-	 *
 	 * GHW HAL Driver
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  GraphicsHeap - PowerTV Graphics Heap
-	 *
 	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x62700000,
-		.end    = 0x63500000 - 1,	/* 14 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* PowerTV Graphics Heap (14MiB) */
+	PREALLOC_NORMAL("GraphicsHeap", 0x62700000, 0x63500000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * multi com buffer area
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x26000000,
-		.end    = 0x26020000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 128KiB */
+	PREALLOC_NORMAL("MulticomSHM", 0x26000000, 0x26020000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
-	 * DMA Ring buffer
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
+	 * DMA Ring buffer (don't need recording buffers)
 	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x000AA000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 680KiB */
+	PREALLOC_NORMAL("BMM_Buffer", 0x00000000, 0x000AA000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * Display bins buffer for unit0
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Display Bins for unit0
-	 *
 	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,		/* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins0", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
-	 * Display bins buffer
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Display Bins for unit1
-	 *
+	 * Display bins buffer for unit1
 	 */
-	{
-		.name   = "DisplayBins1",
-		.start  = 0x64AD4000,
-		.end    = 0x64AD5000 - 1,  /* 4 KB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins1", 0x00000000, 0x00001000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * AVFS: player HAL memory
-	 *
-	 *
 	 */
-	{
-		.name   = "AvfsDmaMem",
-		.start  = 0x6430E000,
-		.end    = 0x645D2C00 - 1,  /* 945K * 3 for playback */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 945K * 3 for playback */
+	PREALLOC_NORMAL("AvfsDmaMem", 0x00000000, 0x002c4c00-1, IORESOURCE_MEM)
+
 	/*
-	 *
 	 * PMEM
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Persistent memory for diagnostics.
-	 *
 	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Persistent memory for diagnostics (64KiB) */
+	PREALLOC_PMEM("DiagPersistentMemory", 0x00000000, 0x10000-1,
+	     (IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * Smartcard
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Read and write buffers for Internal/External cards
-	 *
 	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x64AD1000,
-		.end    = 0x64AD3800 - 1,
-		.flags  = IORESOURCE_IO,
-	},
+	/* Read and write buffers for Internal/External cards (10KiB) */
+	PREALLOC_NORMAL("SmartCardInfo", 0x00000000, 0x2800-1, IORESOURCE_MEM)
+
 	/*
-	 *
 	 * KAVNET
-	 *    NP Reset Vector - must be of the form xxCxxxxx
-	 *	   NP Image - must be video bank 1
-	 *	   NP IPC - must be video bank 2
+	 */
+	/* NP Reset Vector - must be of the form xxCxxxxx (4KiB) */
+	PREALLOC_NORMAL("NP_Reset_Vector", 0x27c00000, 0x27c01000-1,
+		IORESOURCE_MEM)
+	/* NP Image - must be video bank 1 (320KiB) */
+	PREALLOC_NORMAL("NP_Image", 0x27020000, 0x27070000-1, IORESOURCE_MEM)
+	/* NP IPC - must be video bank 2 (512KiB) */
+	PREALLOC_NORMAL("NP_IPC", 0x63500000, 0x63580000-1, IORESOURCE_MEM)
+
+	/*
+	 * NAND Flash
+	 */
+	/* 10KiB */
+	PREALLOC_NORMAL("NandFlash", NAND_FLASH_BASE, NAND_FLASH_BASE+0x400-1,
+		IORESOURCE_MEM)
+
+	/*
+	 * Add other resources here
+	 */
+
+	/*
+	 * End of Resource marker
 	 */
 	{
-		.name   = "NP_Reset_Vector",
-		.start  = 0x27c00000,
-		.end    = 0x27c01000 - 1,
-		.flags  = IORESOURCE_MEM,
+		.flags  = 0,
 	},
-	{
-		.name   = "NP_Image",
-		.start  = 0x27020000,
-		.end    = 0x27060000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "NP_IPC",
-		.start  = 0x63500000,
-		.end    = 0x63580000 - 1,
-		.flags  = IORESOURCE_IO,
-	},
-	{ },
 };
diff --git a/arch/mips/powertv/asic/prealloc-cronuslite.c b/arch/mips/powertv/asic/prealloc-cronuslite.c
index 23a905613c0..b5537e49e7f 100644
--- a/arch/mips/powertv/asic/prealloc-cronuslite.c
+++ b/arch/mips/powertv/asic/prealloc-cronuslite.c
@@ -22,7 +22,9 @@
  */
 
 #include <linux/init.h>
+#include <linux/ioport.h>
 #include <asm/mach-powertv/asic.h>
+#include "prealloc.h"
 
 /*
  * NON_DVR_CAPABLE CRONUSLITE RESOURCES
@@ -30,261 +32,143 @@
 struct resource non_dvr_cronuslite_resources[] __initdata =
 {
 	/*
-	 *
 	 * VIDEO2 / LX2
-	 *
 	 */
-	{
-		.name   = "ST231aImage",	/* Delta-Mu 2 image and ram */
-		.start  = 0x60000000,
-		.end    = 0x601FFFFF,		/* 2MiB */
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "ST231aMonitor",	/* 8KiB block ST231b monitor */
-		.start  = 0x60200000,
-		.end    = 0x60201FFF,
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x60202000,
-		.end    = 0x61FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_IO,
-	},
+	/* Delta-Mu 1 image (2MiB) */
+	PREALLOC_NORMAL("ST231aImage", 0x60000000, 0x60200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231aMonitor", 0x60200000, 0x60202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 RAM (~29.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory1", 0x60202000, 0x62000000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * Sysaudio Driver
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  DSP_Image_Buff - DSP code and data images (1MB)
-	 *  ADSC_CPU_PCM_Buff - ADSC CPU PCM buffer (40KB)
-	 *  ADSC_AUX_Buff - ADSC AUX buffer (16KB)
-	 *  ADSC_Main_Buff - ADSC Main buffer (16KB)
-	 *
 	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* DSP code and data images (1MiB) */
+	PREALLOC_NORMAL("DSP_Image_Buff", 0x00000000, 0x00100000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC CPU PCM buffer (40KiB) */
+	PREALLOC_NORMAL("ADSC_CPU_PCM_Buff", 0x00000000, 0x0000A000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC AUX buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_AUX_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC Main buffer (128KiB) */
+	PREALLOC_NORMAL("ADSC_Main_Buff", 0x00000000, 0x00020000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * STAVEM driver/STAPI
 	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
 	 *  This memory area is used for allocating buffers for Video decoding
 	 *  purposes.  Allocation/De-allocation within this buffer is managed
 	 *  by the STAVMEM driver of the STAPI.  They could be Decimated
 	 *  Picture Buffers, Intermediate Buffers, as deemed necessary for
 	 *  video decoding purposes, for any video decoders on Zeus.
-	 *
 	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x63580000,
-		.end    = 0x63B80000 - 1,  /* 6 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 6MiB */
+	PREALLOC_NORMAL("AVMEMPartition0", 0x00000000, 0x00600000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * DOCSIS Subsystem
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "Docsis",
-		.start  = 0x62000000,
-		.end    = 0x62700000 - 1,	/* 7 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 7MiB */
+	PREALLOC_DOCSIS("Docsis", 0x67500000, 0x67c00000-1, IORESOURCE_MEM)
+
 	/*
-	 *
 	 * GHW HAL Driver
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  GraphicsHeap - PowerTV Graphics Heap
-	 *
 	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x62700000,
-		.end    = 0x63500000 - 1,	/* 14 MB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* PowerTV Graphics Heap (14MiB) */
+	PREALLOC_NORMAL("GraphicsHeap", 0x62700000, 0x63500000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * multi com buffer area
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x26000000,
-		.end    = 0x26020000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 128KiB */
+	PREALLOC_NORMAL("MulticomSHM", 0x26000000, 0x26020000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
-	 * DMA Ring buffer
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
+	 * DMA Ring buffer (don't need recording buffers)
 	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x000AA000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 680KiB */
+	PREALLOC_NORMAL("BMM_Buffer", 0x00000000, 0x000AA000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * Display bins buffer for unit0
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Display Bins for unit0
-	 *
 	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,		/* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins0", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
-	 * Display bins buffer
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Display Bins for unit1
-	 *
+	 * Display bins buffer for unit1
 	 */
-	{
-		.name   = "DisplayBins1",
-		.start  = 0x63B83000,
-		.end    = 0x63B84000 - 1,  /* 4 KB total */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins1", 0x00000000, 0x00001000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * AVFS: player HAL memory
-	 *
-	 *
 	 */
-	{
-		.name   = "AvfsDmaMem",
-		.start  = 0x63B84000,
-		.end    = 0x63E48C00 - 1,  /* 945K * 3 for playback */
-		.flags  = IORESOURCE_IO,
-	},
+	/* 945K * 3 for playback */
+	PREALLOC_NORMAL("AvfsDmaMem", 0x00000000, 0x002c4c00-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * PMEM
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Persistent memory for diagnostics.
-	 *
 	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Persistent memory for diagnostics (64KiB) */
+	PREALLOC_PMEM("DiagPersistentMemory", 0x00000000, 0x10000-1,
+	     (IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * Smartcard
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Read and write buffers for Internal/External cards
-	 *
 	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x63B80000,
-		.end    = 0x63B82800 - 1,
-		.flags  = IORESOURCE_IO,
-	},
+	/* Read and write buffers for Internal/External cards (10KiB) */
+	PREALLOC_NORMAL("SmartCardInfo", 0x00000000, 0x2800-1, IORESOURCE_MEM)
+
 	/*
-	 *
 	 * KAVNET
-	 *    NP Reset Vector - must be of the form xxCxxxxx
-	 *	   NP Image - must be video bank 1
-	 *	   NP IPC - must be video bank 2
 	 */
-	{
-		.name   = "NP_Reset_Vector",
-		.start  = 0x27c00000,
-		.end    = 0x27c01000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "NP_Image",
-		.start  = 0x27020000,
-		.end    = 0x27060000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "NP_IPC",
-		.start  = 0x63500000,
-		.end    = 0x63580000 - 1,
-		.flags  = IORESOURCE_IO,
-	},
+	/* NP Reset Vector - must be of the form xxCxxxxx (4KiB) */
+	PREALLOC_NORMAL("NP_Reset_Vector", 0x27c00000, 0x27c01000-1,
+		IORESOURCE_MEM)
+	/* NP Image - must be video bank 1 (320KiB) */
+	PREALLOC_NORMAL("NP_Image", 0x27020000, 0x27070000-1, IORESOURCE_MEM)
+	/* NP IPC - must be video bank 2 (512KiB) */
+	PREALLOC_NORMAL("NP_IPC", 0x63500000, 0x63580000-1, IORESOURCE_MEM)
+
 	/*
 	 * NAND Flash
 	 */
-	{
-		.name   = "NandFlash",
-		.start  = NAND_FLASH_BASE,
-		.end    = NAND_FLASH_BASE + 0x400 - 1,
-		.flags  = IORESOURCE_IO,
-	},
+	/* 10KiB */
+	PREALLOC_NORMAL("NandFlash", NAND_FLASH_BASE, NAND_FLASH_BASE+0x400-1,
+		IORESOURCE_MEM)
+
+	/*
+	 * TFTPBuffer
+	 *
+	 *  This buffer is used in some minimal configurations (e.g. two-way
+	 *  loader) for storing software images
+	 */
+	PREALLOC_TFTP("TFTPBuffer", 0x00000000, MEBIBYTE(80)-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Add other resources here
 	 */
-	{ },
+
+	/*
+	 * End of Resource marker
+	 */
+	{
+		.flags  = 0,
+	},
 };
diff --git a/arch/mips/powertv/asic/prealloc-zeus.c b/arch/mips/powertv/asic/prealloc-zeus.c
index 018d4514dbe..96480a2395c 100644
--- a/arch/mips/powertv/asic/prealloc-zeus.c
+++ b/arch/mips/powertv/asic/prealloc-zeus.c
@@ -22,7 +22,9 @@
  */
 
 #include <linux/init.h>
+#include <linux/ioport.h>
 #include <asm/mach-powertv/asic.h>
+#include "prealloc.h"
 
 /*
  * DVR_CAPABLE RESOURCES
@@ -30,280 +32,151 @@
 struct resource dvr_zeus_resources[] __initdata =
 {
 	/*
-	 *
 	 * VIDEO1 / LX1
-	 *
 	 */
-	{
-		.name   = "ST231aImage",	/* Delta-Mu 1 image and ram */
-		.start  = 0x20000000,
-		.end    = 0x201FFFFF,		/* 2MiB */
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "ST231aMonitor",	/* 8KiB block ST231a monitor */
-		.start  = 0x20200000,
-		.end    = 0x20201FFF,
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x20202000,
-		.end    = 0x21FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_IO,
-	},
+	/* Delta-Mu 1 image (2MiB) */
+	PREALLOC_NORMAL("ST231aImage", 0x20000000, 0x20200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231aMonitor", 0x20200000, 0x20202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 RAM (~29.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory1", 0x20202000, 0x22000000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * VIDEO2 / LX2
-	 *
 	 */
-	{
-		.name   = "ST231bImage",	/* Delta-Mu 2 image and ram */
-		.start  = 0x30000000,
-		.end    = 0x301FFFFF,		/* 2MiB */
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "ST231bMonitor",	/* 8KiB block ST231b monitor */
-		.start  = 0x30200000,
-		.end    = 0x30201FFF,
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "MediaMemory2",
-		.start  = 0x30202000,
-		.end    = 0x31FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_IO,
-	},
+	/* Delta-Mu 2 image (2MiB) */
+	PREALLOC_NORMAL("ST231bImage", 0x30000000, 0x30200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 2 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231bMonitor", 0x30200000, 0x30202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 2 RAM (~29.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory2", 0x30202000, 0x32000000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * Sysaudio Driver
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  DSP_Image_Buff - DSP code and data images (1MB)
-	 *  ADSC_CPU_PCM_Buff - ADSC CPU PCM buffer (40KB)
-	 *  ADSC_AUX_Buff - ADSC AUX buffer (16KB)
-	 *  ADSC_Main_Buff - ADSC Main buffer (16KB)
-	 *
 	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* DSP code and data images (1MiB) */
+	PREALLOC_NORMAL("DSP_Image_Buff", 0x00000000, 0x00100000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC CPU PCM buffer (40KiB) */
+	PREALLOC_NORMAL("ADSC_CPU_PCM_Buff", 0x00000000, 0x0000A000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC AUX buffer (16KiB) */
+	PREALLOC_NORMAL("ADSC_AUX_Buff", 0x00000000, 0x00004000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC Main buffer (16KiB) */
+	PREALLOC_NORMAL("ADSC_Main_Buff", 0x00000000, 0x00004000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * STAVEM driver/STAPI
 	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
 	 *  This memory area is used for allocating buffers for Video decoding
 	 *  purposes.  Allocation/De-allocation within this buffer is managed
 	 *  by the STAVMEM driver of the STAPI.  They could be Decimated
 	 *  Picture Buffers, Intermediate Buffers, as deemed necessary for
 	 *  video decoding purposes, for any video decoders on Zeus.
-	 *
 	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x00000000,
-		.end    = 0x00c00000 - 1,	/* 12 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 12MiB */
+	PREALLOC_NORMAL("AVMEMPartition0", 0x00000000, 0x00c00000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * DOCSIS Subsystem
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "Docsis",
-		.start  = 0x40100000,
-		.end    = 0x407fffff,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 7MiB */
+	PREALLOC_DOCSIS("Docsis", 0x40100000, 0x40800000-1, IORESOURCE_MEM)
+
 	/*
-	 *
 	 * GHW HAL Driver
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  GraphicsHeap - PowerTV Graphics Heap
-	 *
 	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x46900000,
-		.end    = 0x47700000 - 1,	/* 14 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* PowerTV Graphics Heap (14MiB) */
+	PREALLOC_NORMAL("GraphicsHeap", 0x46900000, 0x47700000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * multi com buffer area
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x47900000,
-		.end    = 0x47920000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 128KiB */
+	PREALLOC_NORMAL("MulticomSHM", 0x47900000, 0x47920000-1,
+		IORESOURCE_MEM)
+
 	/*
-	 *
 	 * DMA Ring buffer
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x00280000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 2.5MiB */
+	PREALLOC_NORMAL("BMM_Buffer", 0x00000000, 0x00280000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * Display bins buffer for unit0
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Display Bins for unit0
-	 *
 	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,	/* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins0", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
-	 * Display bins buffer
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Display Bins for unit1
-	 *
+	 * Display bins buffer for unit1
 	 */
-	{
-		.name   = "DisplayBins1",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,	/* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins1", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * ITFS
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "ITFS",
-		.start  = 0x00000000,
-		/* 815,104 bytes each for 2 ITFS partitions. */
-		.end    = 0x0018DFFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 815,104 bytes each for 2 ITFS partitions. */
+	PREALLOC_NORMAL("ITFS", 0x00000000, 0x0018E000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * AVFS
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Docsis -
-	 *
 	 */
-	{
-		.name   = "AvfsDmaMem",
-		.start  = 0x00000000,
-		/* (945K * 8) = (128K * 3) 5 playbacks / 3 server */
-		.end    = 0x007c2000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "AvfsFileSys",
-		.start  = 0x00000000,
-		.end    = 0x00001000 - 1,  /* 4K */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* (945K * 8) = (128K * 3) 5 playbacks / 3 server */
+	PREALLOC_NORMAL("AvfsDmaMem", 0x00000000, 0x007c2000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* 4KiB */
+	PREALLOC_NORMAL("AvfsFileSys", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * PMEM
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Persistent memory for diagnostics.
-	 *
 	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Persistent memory for diagnostics (64KiB) */
+	PREALLOC_PMEM("DiagPersistentMemory", 0x00000000, 0x10000-1,
+	     (IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * Smartcard
-	 *
-	 * This driver requires:
-	 *
-	 * Arbitrary Based Buffers:
-	 *  Read and write buffers for Internal/External cards
-	 *
 	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x00000000,
-		.end    = 0x2800 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Read and write buffers for Internal/External cards (10KiB) */
+	PREALLOC_NORMAL("SmartCardInfo", 0x00000000, 0x2800-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
+	/*
+	 * TFTPBuffer
+	 *
+	 *  This buffer is used in some minimal configurations (e.g. two-way
+	 *  loader) for storing software images
+	 */
+	PREALLOC_TFTP("TFTPBuffer", 0x00000000, MEBIBYTE(80)-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Add other resources here
 	 */
-	{ },
+
+	/*
+	 * End of Resource marker
+	 */
+	{
+		.flags  = 0,
+	},
 };
 
 /*
@@ -314,146 +187,118 @@ struct resource non_dvr_zeus_resources[] __initdata =
 	/*
 	 * VIDEO1 / LX1
 	 */
-	{
-		.name   = "ST231aImage",	/* Delta-Mu 1 image and ram */
-		.start  = 0x20000000,
-		.end    = 0x201FFFFF,		/* 2MiB */
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "ST231aMonitor",	/* 8KiB block ST231a monitor */
-		.start  = 0x20200000,
-		.end    = 0x20201FFF,
-		.flags  = IORESOURCE_IO,
-	},
-	{
-		.name   = "MediaMemory1",
-		.start  = 0x20202000,
-		.end    = 0x21FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */
-		.flags  = IORESOURCE_IO,
-	},
+	/* Delta-Mu 1 image (2MiB) */
+	PREALLOC_NORMAL("ST231aImage", 0x20000000, 0x20200000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 monitor (8KiB) */
+	PREALLOC_NORMAL("ST231aMonitor", 0x20200000, 0x20202000-1,
+		IORESOURCE_MEM)
+	/* Delta-Mu 1 RAM (~29.9MiB (32MiB - (2MiB + 8KiB))) */
+	PREALLOC_NORMAL("MediaMemory1", 0x20202000, 0x22000000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * Sysaudio Driver
 	 */
-	{
-		.name   = "DSP_Image_Buff",
-		.start  = 0x00000000,
-		.end    = 0x000FFFFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_CPU_PCM_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00009FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_AUX_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
-	{
-		.name   = "ADSC_Main_Buff",
-		.start  = 0x00000000,
-		.end    = 0x00003FFF,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* DSP code and data images (1MiB) */
+	PREALLOC_NORMAL("DSP_Image_Buff", 0x00000000, 0x00100000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC CPU PCM buffer (40KiB) */
+	PREALLOC_NORMAL("ADSC_CPU_PCM_Buff", 0x00000000, 0x0000A000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC AUX buffer (16KiB) */
+	PREALLOC_NORMAL("ADSC_AUX_Buff", 0x00000000, 0x00004000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+	/* ADSC Main buffer (16KiB) */
+	PREALLOC_NORMAL("ADSC_Main_Buff", 0x00000000, 0x00004000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * STAVEM driver/STAPI
 	 */
-	{
-		.name   = "AVMEMPartition0",
-		.start  = 0x00000000,
-		.end    = 0x00600000 - 1,	/* 6 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 6MiB */
+	PREALLOC_NORMAL("AVMEMPartition0", 0x00000000, 0x00600000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * DOCSIS Subsystem
 	 */
-	{
-		.name   = "Docsis",
-		.start  = 0x40100000,
-		.end    = 0x407fffff,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 7MiB */
+	PREALLOC_DOCSIS("Docsis", 0x40100000, 0x40800000-1, IORESOURCE_MEM)
+
 	/*
 	 * GHW HAL Driver
 	 */
-	{
-		.name   = "GraphicsHeap",
-		.start  = 0x46900000,
-		.end    = 0x47700000 - 1,	/* 14 MB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* PowerTV Graphics Heap (14MiB) */
+	PREALLOC_NORMAL("GraphicsHeap", 0x46900000, 0x47700000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * multi com buffer area
 	 */
-	{
-		.name   = "MulticomSHM",
-		.start  = 0x47900000,
-		.end    = 0x47920000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 128KiB */
+	PREALLOC_NORMAL("MulticomSHM", 0x47900000, 0x47920000-1,
+		IORESOURCE_MEM)
+
 	/*
 	 * DMA Ring buffer
 	 */
-	{
-		.name   = "BMM_Buffer",
-		.start  = 0x00000000,
-		.end    = 0x00280000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 2.5MiB */
+	PREALLOC_NORMAL("BMM_Buffer", 0x00000000, 0x00280000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Display bins buffer for unit0
 	 */
-	{
-		.name   = "DisplayBins0",
-		.start  = 0x00000000,
-		.end    = 0x00000FFF,		/* 4 KB total */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 4KiB */
+	PREALLOC_NORMAL("DisplayBins0", 0x00000000, 0x00001000-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
-	 *
 	 * AVFS: player HAL memory
-	 *
-	 *
 	 */
-	{
-		.name   = "AvfsDmaMem",
-		.start  = 0x00000000,
-		.end    = 0x002c4c00 - 1,	/* 945K * 3 for playback */
-		.flags  = IORESOURCE_MEM,
-	},
+	/* 945K * 3 for playback */
+	PREALLOC_NORMAL("AvfsDmaMem", 0x00000000, 0x002c4c00-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * PMEM
 	 */
-	{
-		.name   = "DiagPersistentMemory",
-		.start  = 0x00000000,
-		.end    = 0x10000 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Persistent memory for diagnostics (64KiB) */
+	PREALLOC_PMEM("DiagPersistentMemory", 0x00000000, 0x10000-1,
+	     (IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Smartcard
 	 */
-	{
-		.name   = "SmartCardInfo",
-		.start  = 0x00000000,
-		.end    = 0x2800 - 1,
-		.flags  = IORESOURCE_MEM,
-	},
+	/* Read and write buffers for Internal/External cards (10KiB) */
+	PREALLOC_NORMAL("SmartCardInfo", 0x00000000, 0x2800-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * NAND Flash
 	 */
-	{
-		.name   = "NandFlash",
-		.start  = NAND_FLASH_BASE,
-		.end    = NAND_FLASH_BASE + 0x400 - 1,
-		.flags  = IORESOURCE_IO,
-	},
+	/* 10KiB */
+	PREALLOC_NORMAL("NandFlash", NAND_FLASH_BASE, NAND_FLASH_BASE+0x400-1,
+		IORESOURCE_MEM)
+
+	/*
+	 * TFTPBuffer
+	 *
+	 *  This buffer is used in some minimal configurations (e.g. two-way
+	 *  loader) for storing software images
+	 */
+	PREALLOC_TFTP("TFTPBuffer", 0x00000000, MEBIBYTE(80)-1,
+		(IORESOURCE_MEM|IORESOURCE_PTV_RES_LOEXT))
+
 	/*
 	 * Add other resources here
 	 */
-	{ },
+
+	/*
+	 * End of Resource marker
+	 */
+	{
+		.flags  = 0,
+	},
 };
diff --git a/arch/mips/powertv/asic/prealloc.h b/arch/mips/powertv/asic/prealloc.h
new file mode 100644
index 00000000000..8e682df1785
--- /dev/null
+++ b/arch/mips/powertv/asic/prealloc.h
@@ -0,0 +1,70 @@
+/*
+ * Definitions for memory preallocations
+ *
+ * Copyright (C) 2005-2009 Scientific-Atlanta, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _ARCH_MIPS_POWERTV_ASIC_PREALLOC_H
+#define _ARCH_MIPS_POWERTV_ASIC_PREALLOC_H
+
+#define KIBIBYTE(n) ((n) * 1024)    /* Number of kibibytes */
+#define MEBIBYTE(n) ((n) * KIBIBYTE(1024)) /* Number of mebibytes */
+
+/* "struct resource" array element definition */
+#define PREALLOC(NAME, START, END, FLAGS) {	\
+		.name = (NAME),			\
+		.start = (START),		\
+		.end = (END),			\
+		.flags = (FLAGS)		\
+	},
+
+/* Individual resources in the preallocated resource arrays are defined using
+ *  macros.  These macros are conditionally defined based on their
+ *  corresponding kernel configuration flag:
+ *    - CONFIG_PREALLOC_NORMAL: preallocate resources for a normal settop box
+ *    - CONFIG_PREALLOC_TFTP: preallocate the TFTP download resource
+ *    - CONFIG_PREALLOC_DOCSIS: preallocate the DOCSIS resource
+ *    - CONFIG_PREALLOC_PMEM: reserve space for persistent memory
+ */
+#ifdef CONFIG_PREALLOC_NORMAL
+#define PREALLOC_NORMAL(name, start, end, flags) \
+   PREALLOC(name, start, end, flags)
+#else
+#define PREALLOC_NORMAL(name, start, end, flags)
+#endif
+
+#ifdef CONFIG_PREALLOC_TFTP
+#define PREALLOC_TFTP(name, start, end, flags) \
+   PREALLOC(name, start, end, flags)
+#else
+#define PREALLOC_TFTP(name, start, end, flags)
+#endif
+
+#ifdef CONFIG_PREALLOC_DOCSIS
+#define PREALLOC_DOCSIS(name, start, end, flags) \
+   PREALLOC(name, start, end, flags)
+#else
+#define PREALLOC_DOCSIS(name, start, end, flags)
+#endif
+
+#ifdef CONFIG_PREALLOC_PMEM
+#define PREALLOC_PMEM(name, start, end, flags) \
+   PREALLOC(name, start, end, flags)
+#else
+#define PREALLOC_PMEM(name, start, end, flags)
+#endif
+#endif

From 0103d23f44b1e9f8d2e89cc197e21192f6914f24 Mon Sep 17 00:00:00 2001
From: Kevin Cernekee <cernekee@gmail.com>
Date: Sun, 2 May 2010 14:43:52 -0700
Subject: [PATCH 2631/3638] MIPS: nofpu and nodsp only affect CPU0

The "nofpu" and "nodsp" kernel command line options currently do not
affect CPUs that are brought online later in the boot process or
hotplugged at runtime.  It is desirable to apply the nofpu/nodsp options
to all CPUs in the system, so that surprising results are not seen when
a process migrates from one CPU to another.

[Ralf: Moved definitions of mips_fpu_disabled, fpu_disable,
mips_dsp_disabled and dsp_disable from setup.c to cpu-probe.c to allow
making mips_fpu_disabled and mips_dsp_disabled static.]

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: http://patchwork.linux-mips.org/patch/1169/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/cpu-probe.c | 30 ++++++++++++++++++++++++++++++
 arch/mips/kernel/setup.c     | 21 ---------------------
 2 files changed, 30 insertions(+), 21 deletions(-)

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index be5bb16be4e..3562b854f2c 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -125,6 +125,30 @@ static int __init wait_disable(char *s)
 
 __setup("nowait", wait_disable);
 
+static int __cpuinitdata mips_fpu_disabled;
+
+static int __init fpu_disable(char *s)
+{
+	cpu_data[0].options &= ~MIPS_CPU_FPU;
+	mips_fpu_disabled = 1;
+
+	return 1;
+}
+
+__setup("nofpu", fpu_disable);
+
+int __cpuinitdata mips_dsp_disabled;
+
+static int __init dsp_disable(char *s)
+{
+	cpu_data[0].ases &= ~MIPS_ASE_DSP;
+	mips_dsp_disabled = 1;
+
+	return 1;
+}
+
+__setup("nodsp", dsp_disable);
+
 void __init check_wait(void)
 {
 	struct cpuinfo_mips *c = &current_cpu_data;
@@ -982,6 +1006,12 @@ __cpuinit void cpu_probe(void)
 	 */
 	BUG_ON(current_cpu_type() != c->cputype);
 
+	if (mips_fpu_disabled)
+		c->options &= ~MIPS_CPU_FPU;
+
+	if (mips_dsp_disabled)
+		c->ases &= ~MIPS_ASE_DSP;
+
 	if (c->options & MIPS_CPU_FPU) {
 		c->fpu_id = cpu_get_fpu_id();
 
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index f9513f9e61d..85aef3fc671 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -569,27 +569,6 @@ void __init setup_arch(char **cmdline_p)
 	plat_smp_setup();
 }
 
-static int __init fpu_disable(char *s)
-{
-	int i;
-
-	for (i = 0; i < NR_CPUS; i++)
-		cpu_data[i].options &= ~MIPS_CPU_FPU;
-
-	return 1;
-}
-
-__setup("nofpu", fpu_disable);
-
-static int __init dsp_disable(char *s)
-{
-	cpu_data[0].ases &= ~MIPS_ASE_DSP;
-
-	return 1;
-}
-
-__setup("nodsp", dsp_disable);
-
 unsigned long kernelsp[NR_CPUS];
 unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
 

From 86e5a5202148736bffed49499a1dc8c1a311d3ab Mon Sep 17 00:00:00 2001
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Fri, 7 May 2010 01:29:44 +0800
Subject: [PATCH 2632/3638] MIPS: Oprofile: Loongson: Unify macro for setting
 events

Unified macro for counter0 and counter1 to set the event in the control
register.  This will be needed by Perf.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1200/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/oprofile/op_model_loongson2.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c
index fa3bf661ae2..93d8b7deb91 100644
--- a/arch/mips/oprofile/op_model_loongson2.c
+++ b/arch/mips/oprofile/op_model_loongson2.c
@@ -24,8 +24,8 @@
  */
 #define LOONGSON2_CPU_TYPE	"mips/loongson2"
 
-#define LOONGSON2_COUNTER1_EVENT(event)	((event & 0x0f) << 5)
-#define LOONGSON2_COUNTER2_EVENT(event)	((event & 0x0f) << 9)
+#define LOONGSON2_PERFCTRL_EVENT(idx, event) \
+	(((event) & 0x0f) << ((idx) ? 9 : 5))
 
 #define LOONGSON2_PERFCNT_EXL			(1UL	<<  0)
 #define LOONGSON2_PERFCNT_KERNEL		(1UL    <<  1)
@@ -60,12 +60,12 @@ static void loongson2_reg_setup(struct op_counter_config *cfg)
 	/* Compute the performance counter ctrl word.  */
 	/* For now count kernel and user mode */
 	if (cfg[0].enabled) {
-		ctrl |= LOONGSON2_COUNTER1_EVENT(cfg[0].event);
+		ctrl |= LOONGSON2_PERFCTRL_EVENT(0, cfg[0].event);
 		reg.reset_counter1 = 0x80000000ULL - cfg[0].count;
 	}
 
 	if (cfg[1].enabled) {
-		ctrl |= LOONGSON2_COUNTER2_EVENT(cfg[1].event);
+		ctrl |= LOONGSON2_PERFCTRL_EVENT(1, cfg[1].event);
 		reg.reset_counter2 = (0x80000000ULL - cfg[1].count);
 	}
 

From c838abc511ed710bdc2d93e0d8b5449be953849e Mon Sep 17 00:00:00 2001
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Fri, 7 May 2010 01:29:45 +0800
Subject: [PATCH 2633/3638] MIPS: Oprofile: Loongson: Remove useless
 parentheses

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1201/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/oprofile/op_model_loongson2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c
index 93d8b7deb91..596fb081757 100644
--- a/arch/mips/oprofile/op_model_loongson2.c
+++ b/arch/mips/oprofile/op_model_loongson2.c
@@ -66,7 +66,7 @@ static void loongson2_reg_setup(struct op_counter_config *cfg)
 
 	if (cfg[1].enabled) {
 		ctrl |= LOONGSON2_PERFCTRL_EVENT(1, cfg[1].event);
-		reg.reset_counter2 = (0x80000000ULL - cfg[1].count);
+		reg.reset_counter2 = 0x80000000ULL - cfg[1].count;
 	}
 
 	if (cfg[0].enabled || cfg[1].enabled) {

From 6d8c2873e06626c371bdedd5e00b00a60d3fde41 Mon Sep 17 00:00:00 2001
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Fri, 7 May 2010 01:29:46 +0800
Subject: [PATCH 2634/3638] MIPS: Oprofile: Loongson: Remove unused variable
 from loongson2_cpu_setup()

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1202/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/oprofile/op_model_loongson2.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c
index 596fb081757..deefcee69a6 100644
--- a/arch/mips/oprofile/op_model_loongson2.c
+++ b/arch/mips/oprofile/op_model_loongson2.c
@@ -88,10 +88,7 @@ static void loongson2_reg_setup(struct op_counter_config *cfg)
 
 static void loongson2_cpu_setup(void *args)
 {
-	uint64_t perfcount;
-
-	perfcount = (reg.reset_counter2 << 32) | reg.reset_counter1;
-	write_c0_perfcnt(perfcount);
+	write_c0_perfcnt((reg.reset_counter2 << 32) | reg.reset_counter1);
 }
 
 static void loongson2_cpu_start(void *args)

From 852151bdb992874b3d625444a8c7c551f3a738b5 Mon Sep 17 00:00:00 2001
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Fri, 7 May 2010 01:29:47 +0800
Subject: [PATCH 2635/3638] MIPS: Oprofile: Loongson: Cleanup of the macros

The _EXL, _KERNEL etc. bits are in the performance control register so
use _PERFCTRL prefix instead of _PERFCNT.  While at it make the macro
more readable, use _ENABLE instead of _INT_EN suffix to describe the
interrupt enable bit.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1203/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/oprofile/op_model_loongson2.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c
index deefcee69a6..515f7790c04 100644
--- a/arch/mips/oprofile/op_model_loongson2.c
+++ b/arch/mips/oprofile/op_model_loongson2.c
@@ -24,16 +24,16 @@
  */
 #define LOONGSON2_CPU_TYPE	"mips/loongson2"
 
+#define LOONGSON2_PERFCNT_OVERFLOW		(1ULL   << 31)
+
+#define LOONGSON2_PERFCTRL_EXL			(1UL	<<  0)
+#define LOONGSON2_PERFCTRL_KERNEL		(1UL    <<  1)
+#define LOONGSON2_PERFCTRL_SUPERVISOR		(1UL    <<  2)
+#define LOONGSON2_PERFCTRL_USER			(1UL    <<  3)
+#define LOONGSON2_PERFCTRL_ENABLE		(1UL    <<  4)
 #define LOONGSON2_PERFCTRL_EVENT(idx, event) \
 	(((event) & 0x0f) << ((idx) ? 9 : 5))
 
-#define LOONGSON2_PERFCNT_EXL			(1UL	<<  0)
-#define LOONGSON2_PERFCNT_KERNEL		(1UL    <<  1)
-#define LOONGSON2_PERFCNT_SUPERVISOR	(1UL    <<  2)
-#define LOONGSON2_PERFCNT_USER			(1UL    <<  3)
-#define LOONGSON2_PERFCNT_INT_EN		(1UL    <<  4)
-#define LOONGSON2_PERFCNT_OVERFLOW		(1ULL   << 31)
-
 /* Loongson2 performance counter register */
 #define read_c0_perfctrl() __read_64bit_c0_register($24, 0)
 #define write_c0_perfctrl(val) __write_64bit_c0_register($24, 0, val)
@@ -70,11 +70,11 @@ static void loongson2_reg_setup(struct op_counter_config *cfg)
 	}
 
 	if (cfg[0].enabled || cfg[1].enabled) {
-		ctrl |= LOONGSON2_PERFCNT_EXL | LOONGSON2_PERFCNT_INT_EN;
+		ctrl |= LOONGSON2_PERFCTRL_EXL | LOONGSON2_PERFCTRL_ENABLE;
 		if (cfg[0].kernel || cfg[1].kernel)
-			ctrl |= LOONGSON2_PERFCNT_KERNEL;
+			ctrl |= LOONGSON2_PERFCTRL_KERNEL;
 		if (cfg[0].user || cfg[1].user)
-			ctrl |= LOONGSON2_PERFCNT_USER;
+			ctrl |= LOONGSON2_PERFCTRL_USER;
 	}
 
 	reg.ctrl = ctrl;
@@ -119,7 +119,7 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id)
 	 */
 
 	/* Check whether the irq belongs to me */
-	enabled = read_c0_perfctrl() & LOONGSON2_PERFCNT_INT_EN;
+	enabled = read_c0_perfctrl() & LOONGSON2_PERFCTRL_ENABLE;
 	if (!enabled)
 		return IRQ_NONE;
 	enabled = reg.cnt1_enabled | reg.cnt2_enabled;

From 893556e602d6d5d86ed401ff72bf63d8cfa4a9d0 Mon Sep 17 00:00:00 2001
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Fri, 7 May 2010 01:29:48 +0800
Subject: [PATCH 2636/3638] MIPS: Oprofile: Loongson: Cleanup the comments

Removes some out-of-date comments and empty lines.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1204/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/oprofile/op_model_loongson2.c | 25 +++++--------------------
 1 file changed, 5 insertions(+), 20 deletions(-)

diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c
index 515f7790c04..d0d24e04767 100644
--- a/arch/mips/oprofile/op_model_loongson2.c
+++ b/arch/mips/oprofile/op_model_loongson2.c
@@ -8,7 +8,6 @@
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
- *
  */
 #include <linux/init.h>
 #include <linux/oprofile.h>
@@ -17,11 +16,6 @@
 #include <loongson.h>			/* LOONGSON2_PERFCNT_IRQ */
 #include "op_impl.h"
 
-/*
- * a patch should be sent to oprofile with the loongson-specific support.
- * otherwise, the oprofile tool will not recognize this and complain about
- * "cpu_type 'unset' is not valid".
- */
 #define LOONGSON2_CPU_TYPE	"mips/loongson2"
 
 #define LOONGSON2_PERFCNT_OVERFLOW		(1ULL   << 31)
@@ -34,7 +28,6 @@
 #define LOONGSON2_PERFCTRL_EVENT(idx, event) \
 	(((event) & 0x0f) << ((idx) ? 9 : 5))
 
-/* Loongson2 performance counter register */
 #define read_c0_perfctrl() __read_64bit_c0_register($24, 0)
 #define write_c0_perfctrl(val) __write_64bit_c0_register($24, 0, val)
 #define read_c0_perfcnt() __read_64bit_c0_register($25, 0)
@@ -49,7 +42,6 @@ static struct loongson2_register_config {
 
 static char *oprofid = "LoongsonPerf";
 static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id);
-/* Compute all of the registers in preparation for enabling profiling.  */
 
 static void loongson2_reg_setup(struct op_counter_config *cfg)
 {
@@ -57,8 +49,11 @@ static void loongson2_reg_setup(struct op_counter_config *cfg)
 
 	reg.reset_counter1 = 0;
 	reg.reset_counter2 = 0;
-	/* Compute the performance counter ctrl word.  */
-	/* For now count kernel and user mode */
+
+	/*
+	 * Compute the performance counter ctrl word.
+	 * For now, count kernel and user mode.
+	 */
 	if (cfg[0].enabled) {
 		ctrl |= LOONGSON2_PERFCTRL_EVENT(0, cfg[0].event);
 		reg.reset_counter1 = 0x80000000ULL - cfg[0].count;
@@ -81,11 +76,8 @@ static void loongson2_reg_setup(struct op_counter_config *cfg)
 
 	reg.cnt1_enabled = cfg[0].enabled;
 	reg.cnt2_enabled = cfg[1].enabled;
-
 }
 
-/* Program all of the registers in preparation for enabling profiling.  */
-
 static void loongson2_cpu_setup(void *args)
 {
 	write_c0_perfcnt((reg.reset_counter2 << 32) | reg.reset_counter1);
@@ -111,13 +103,6 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id)
 	struct pt_regs *regs = get_irq_regs();
 	int enabled;
 
-	/*
-	 * LOONGSON2 defines two 32-bit performance counters.
-	 * To avoid a race updating the registers we need to stop the counters
-	 * while we're messing with
-	 * them ...
-	 */
-
 	/* Check whether the irq belongs to me */
 	enabled = read_c0_perfctrl() & LOONGSON2_PERFCTRL_ENABLE;
 	if (!enabled)

From 3804a89bfb84fb8849c72e3bbafddaee539b3430 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <apatard@mandriva.com>
Date: Thu, 29 Apr 2010 11:58:44 +0200
Subject: [PATCH 2637/3638] RTC: rtc-cmos: Fix binary mode support

As a follow-up to the thread about RTC support for some Loongson 2E/2F
boards, this patch tries to address the "REVISIT"/"FIXME" comments about
rtc binary mode handling and allow rtc to work with rtc in binary mode.
I've also raised the message about 24-h mode not supported to warning
otherwise, one may end up with no rtc without any message in the kernel
log.

Signed-off-by: Arnaud Patard <apatard@mandriva.com>
To: linux-mips@linux-mips.org
To: rtc-linux@googlegroups.com
Cc: david-b@pacbell.net
Cc: a.zummo@towertech.it
Cc: akpm@linux-foundation.org
Patchwork: http://patchwork.linux-mips.org/patch/1158/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 drivers/rtc/rtc-cmos.c | 83 ++++++++++++++++++++----------------------
 1 file changed, 40 insertions(+), 43 deletions(-)

diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index ece4dbddc0e..96e8e70fbf1 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -238,31 +238,32 @@ static int cmos_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 	rtc_control = CMOS_READ(RTC_CONTROL);
 	spin_unlock_irq(&rtc_lock);
 
-	/* REVISIT this assumes PC style usage:  always BCD */
-
-	if (((unsigned)t->time.tm_sec) < 0x60)
-		t->time.tm_sec = bcd2bin(t->time.tm_sec);
-	else
-		t->time.tm_sec = -1;
-	if (((unsigned)t->time.tm_min) < 0x60)
-		t->time.tm_min = bcd2bin(t->time.tm_min);
-	else
-		t->time.tm_min = -1;
-	if (((unsigned)t->time.tm_hour) < 0x24)
-		t->time.tm_hour = bcd2bin(t->time.tm_hour);
-	else
-		t->time.tm_hour = -1;
-
-	if (cmos->day_alrm) {
-		if (((unsigned)t->time.tm_mday) <= 0x31)
-			t->time.tm_mday = bcd2bin(t->time.tm_mday);
+	if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
+		if (((unsigned)t->time.tm_sec) < 0x60)
+			t->time.tm_sec = bcd2bin(t->time.tm_sec);
 		else
-			t->time.tm_mday = -1;
-		if (cmos->mon_alrm) {
-			if (((unsigned)t->time.tm_mon) <= 0x12)
-				t->time.tm_mon = bcd2bin(t->time.tm_mon) - 1;
+			t->time.tm_sec = -1;
+		if (((unsigned)t->time.tm_min) < 0x60)
+			t->time.tm_min = bcd2bin(t->time.tm_min);
+		else
+			t->time.tm_min = -1;
+		if (((unsigned)t->time.tm_hour) < 0x24)
+			t->time.tm_hour = bcd2bin(t->time.tm_hour);
+		else
+			t->time.tm_hour = -1;
+
+		if (cmos->day_alrm) {
+			if (((unsigned)t->time.tm_mday) <= 0x31)
+				t->time.tm_mday = bcd2bin(t->time.tm_mday);
 			else
-				t->time.tm_mon = -1;
+				t->time.tm_mday = -1;
+
+			if (cmos->mon_alrm) {
+				if (((unsigned)t->time.tm_mon) <= 0x12)
+					t->time.tm_mon = bcd2bin(t->time.tm_mon)-1;
+				else
+					t->time.tm_mon = -1;
+			}
 		}
 	}
 	t->time.tm_year = -1;
@@ -322,29 +323,26 @@ static void cmos_irq_disable(struct cmos_rtc *cmos, unsigned char mask)
 static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 {
 	struct cmos_rtc	*cmos = dev_get_drvdata(dev);
-	unsigned char	mon, mday, hrs, min, sec;
+       unsigned char   mon, mday, hrs, min, sec, rtc_control;
 
 	if (!is_valid_irq(cmos->irq))
 		return -EIO;
 
-	/* REVISIT this assumes PC style usage:  always BCD */
-
-	/* Writing 0xff means "don't care" or "match all".  */
-
 	mon = t->time.tm_mon + 1;
-	mon = (mon <= 12) ? bin2bcd(mon) : 0xff;
-
 	mday = t->time.tm_mday;
-	mday = (mday >= 1 && mday <= 31) ? bin2bcd(mday) : 0xff;
-
 	hrs = t->time.tm_hour;
-	hrs = (hrs < 24) ? bin2bcd(hrs) : 0xff;
-
 	min = t->time.tm_min;
-	min = (min < 60) ? bin2bcd(min) : 0xff;
-
 	sec = t->time.tm_sec;
-	sec = (sec < 60) ? bin2bcd(sec) : 0xff;
+
+	rtc_control = CMOS_READ(RTC_CONTROL);
+	if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
+		/* Writing 0xff means "don't care" or "match all".  */
+		mon = (mon <= 12) ? bin2bcd(mon) : 0xff;
+		mday = (mday >= 1 && mday <= 31) ? bin2bcd(mday) : 0xff;
+		hrs = (hrs < 24) ? bin2bcd(hrs) : 0xff;
+		min = (min < 60) ? bin2bcd(min) : 0xff;
+		sec = (sec < 60) ? bin2bcd(sec) : 0xff;
+	}
 
 	spin_lock_irq(&rtc_lock);
 
@@ -478,7 +476,7 @@ static int cmos_procfs(struct device *dev, struct seq_file *seq)
 			"update_IRQ\t: %s\n"
 			"HPET_emulated\t: %s\n"
 			// "square_wave\t: %s\n"
-			// "BCD\t\t: %s\n"
+			"BCD\t\t: %s\n"
 			"DST_enable\t: %s\n"
 			"periodic_freq\t: %d\n"
 			"batt_status\t: %s\n",
@@ -486,7 +484,7 @@ static int cmos_procfs(struct device *dev, struct seq_file *seq)
 			(rtc_control & RTC_UIE) ? "yes" : "no",
 			is_hpet_enabled() ? "yes" : "no",
 			// (rtc_control & RTC_SQWE) ? "yes" : "no",
-			// (rtc_control & RTC_DM_BINARY) ? "no" : "yes",
+			(rtc_control & RTC_DM_BINARY) ? "no" : "yes",
 			(rtc_control & RTC_DST_EN) ? "yes" : "no",
 			cmos->rtc->irq_freq,
 			(valid & RTC_VRT) ? "okay" : "dead");
@@ -751,12 +749,11 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 
 	spin_unlock_irq(&rtc_lock);
 
-	/* FIXME teach the alarm code how to handle binary mode;
+	/* FIXME:
 	 * <asm-generic/rtc.h> doesn't know 12-hour mode either.
 	 */
-	if (is_valid_irq(rtc_irq) &&
-	    (!(rtc_control & RTC_24H) || (rtc_control & (RTC_DM_BINARY)))) {
-		dev_dbg(dev, "only 24-hr BCD mode supported\n");
+       if (is_valid_irq(rtc_irq) && !(rtc_control & RTC_24H)) {
+		dev_warn(dev, "only 24-hr supported\n");
 		retval = -ENXIO;
 		goto cleanup1;
 	}

From a39ed2c98830bdb2575c18ad2c4b1bdb72fd5b3f Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 2 May 2010 11:38:57 +0200
Subject: [PATCH 2638/3638] MIPS: AR7: Update defconfig

Update Texas Instruments AR7 defconfig with:

- tiny RCU
- LEDs GPIO
- disable SSB
- enable zboot support
- enable GPIO sysfs support

Signed-off-by: Florian Fainelli <florian@openwrt.org>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1165/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/configs/ar7_defconfig | 196 +++++++++++++++++++++++---------
 1 file changed, 143 insertions(+), 53 deletions(-)

diff --git a/arch/mips/configs/ar7_defconfig b/arch/mips/configs/ar7_defconfig
index 5a5b6ba7514..e7000958409 100644
--- a/arch/mips/configs/ar7_defconfig
+++ b/arch/mips/configs/ar7_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30
-# Wed Jun 24 14:08:59 2009
+# Linux kernel version: 2.6.34-rc6
+# Sat May  1 11:35:01 2010
 #
 CONFIG_MIPS=y
 
@@ -11,11 +11,12 @@ CONFIG_MIPS=y
 # CONFIG_MACH_ALCHEMY is not set
 CONFIG_AR7=y
 # CONFIG_BCM47XX is not set
+# CONFIG_BCM63XX is not set
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MACH_JAZZ is not set
 # CONFIG_LASAT is not set
-# CONFIG_LEMOTE_FULONG is not set
+# CONFIG_MACH_LOONGSON is not set
 # CONFIG_MIPS_MALTA is not set
 # CONFIG_MIPS_SIM is not set
 # CONFIG_NEC_MARKEINS is not set
@@ -26,6 +27,7 @@ CONFIG_AR7=y
 # CONFIG_PNX8550_STB810 is not set
 # CONFIG_PMC_MSP is not set
 # CONFIG_PMC_YOSEMITE is not set
+# CONFIG_POWERTV is not set
 # CONFIG_SGI_IP22 is not set
 # CONFIG_SGI_IP27 is not set
 # CONFIG_SGI_IP28 is not set
@@ -46,6 +48,7 @@ CONFIG_AR7=y
 # CONFIG_CAVIUM_OCTEON_SIMULATOR is not set
 # CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set
 # CONFIG_ALCHEMY_GPIO_INDIRECT is not set
+CONFIG_LOONGSON_UART_BASE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
@@ -63,10 +66,8 @@ CONFIG_CEVT_R4K=y
 CONFIG_CSRC_R4K_LIB=y
 CONFIG_CSRC_R4K=y
 CONFIG_DMA_NONCOHERENT=y
-CONFIG_DMA_NEED_PCI_MAP_STATE=y
-CONFIG_EARLY_PRINTK=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_SYS_HAS_EARLY_PRINTK=y
-# CONFIG_HOTPLUG_CPU is not set
 # CONFIG_NO_IOPORT is not set
 CONFIG_GENERIC_GPIO=y
 # CONFIG_CPU_BIG_ENDIAN is not set
@@ -81,7 +82,8 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 #
 # CPU selection
 #
-# CONFIG_CPU_LOONGSON2 is not set
+# CONFIG_CPU_LOONGSON2E is not set
+# CONFIG_CPU_LOONGSON2F is not set
 CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set
@@ -103,6 +105,8 @@ CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_RM9000 is not set
 # CONFIG_CPU_SB1 is not set
 # CONFIG_CPU_CAVIUM_OCTEON is not set
+CONFIG_SYS_SUPPORTS_ZBOOT=y
+CONFIG_SYS_SUPPORTS_ZBOOT_UART16550=y
 CONFIG_SYS_HAS_CPU_MIPS32_R1=y
 CONFIG_CPU_MIPS32=y
 CONFIG_CPU_MIPSR1=y
@@ -124,6 +128,7 @@ CONFIG_CPU_HAS_PREFETCH=y
 CONFIG_MIPS_MT_DISABLED=y
 # CONFIG_MIPS_MT_SMP is not set
 # CONFIG_MIPS_MT_SMTC is not set
+# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
@@ -141,8 +146,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_HAVE_MLOCK=y
-CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+# CONFIG_KSM is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_TICK_ONESHOT=y
 # CONFIG_NO_HZ is not set
@@ -165,6 +169,7 @@ CONFIG_KEXEC=y
 CONFIG_LOCKDEP_SUPPORT=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -174,6 +179,14 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 # CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+# CONFIG_KERNEL_GZIP is not set
+# CONFIG_KERNEL_BZIP2 is not set
+CONFIG_KERNEL_LZMA=y
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
@@ -186,14 +199,12 @@ CONFIG_BSD_PROCESS_ACCT=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
 # CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_PREEMPT_RCU is not set
+CONFIG_TINY_RCU=y
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -204,6 +215,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 # CONFIG_RD_BZIP2 is not set
 CONFIG_RD_LZMA=y
+# CONFIG_RD_LZO is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -225,19 +237,22 @@ CONFIG_SHMEM=y
 CONFIG_AIO=y
 
 #
-# Performance Counters
+# Kernel Performance Events And Counters
 #
 # CONFIG_VM_EVENT_COUNTERS is not set
-CONFIG_STRIP_ASM_SYMS=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
 # CONFIG_SLOW_WORK is not set
-# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 CONFIG_BASE_SMALL=0
@@ -248,7 +263,7 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -256,14 +271,41 @@ CONFIG_BLOCK=y
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-# CONFIG_IOSCHED_AS is not set
 CONFIG_IOSCHED_DEADLINE=y
 # CONFIG_IOSCHED_CFQ is not set
-# CONFIG_DEFAULT_AS is not set
 CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="deadline"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 # CONFIG_FREEZER is not set
 
 #
@@ -293,7 +335,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -377,6 +418,7 @@ CONFIG_NF_CONNTRACK_TFTP=m
 CONFIG_NETFILTER_XTABLES=m
 # CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set
 # CONFIG_NETFILTER_XT_TARGET_CONNMARK is not set
+# CONFIG_NETFILTER_XT_TARGET_CT is not set
 # CONFIG_NETFILTER_XT_TARGET_DSCP is not set
 # CONFIG_NETFILTER_XT_TARGET_HL is not set
 # CONFIG_NETFILTER_XT_TARGET_LED is not set
@@ -458,6 +500,7 @@ CONFIG_IP_NF_RAW=m
 # CONFIG_IP_NF_ARPTABLES is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 CONFIG_ATM=m
 # CONFIG_ATM_CLIP is not set
@@ -466,6 +509,7 @@ CONFIG_ATM_BR2684=m
 CONFIG_ATM_BR2684_IPFILTER=y
 CONFIG_STP=y
 CONFIG_BRIDGE=y
+CONFIG_BRIDGE_IGMP_SNOOPING=y
 # CONFIG_NET_DSA is not set
 CONFIG_VLAN_8021Q=y
 # CONFIG_VLAN_8021Q_GVRP is not set
@@ -541,20 +585,19 @@ CONFIG_HAMRADIO=y
 # CONFIG_AF_RXRPC is not set
 CONFIG_FIB_RULES=y
 CONFIG_WIRELESS=y
+CONFIG_WEXT_CORE=y
+CONFIG_WEXT_PROC=y
 CONFIG_CFG80211=m
+# CONFIG_NL80211_TESTMODE is not set
+# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
 # CONFIG_CFG80211_REG_DEBUG is not set
+CONFIG_CFG80211_DEFAULT_PS=y
 # CONFIG_CFG80211_DEBUGFS is not set
-# CONFIG_WIRELESS_OLD_REGULATORY is not set
-CONFIG_WIRELESS_EXT=y
+# CONFIG_CFG80211_INTERNAL_REGDB is not set
+CONFIG_CFG80211_WEXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_LIB80211 is not set
 CONFIG_MAC80211=m
-CONFIG_MAC80211_DEFAULT_PS=y
-CONFIG_MAC80211_DEFAULT_PS_VALUE=1
-
-#
-# Rate control algorithm selection
-#
 CONFIG_MAC80211_RC_PID=y
 CONFIG_MAC80211_RC_MINSTREL=y
 CONFIG_MAC80211_RC_DEFAULT_PID=y
@@ -576,6 +619,7 @@ CONFIG_MAC80211_RC_DEFAULT="pid"
 # Generic Driver Options
 #
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
@@ -585,9 +629,9 @@ CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
-# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
 # CONFIG_MTD_AR7_PARTS is not set
@@ -636,6 +680,7 @@ CONFIG_MTD_CFI_UTIL=y
 CONFIG_MTD_COMPLEX_MAPPINGS=y
 CONFIG_MTD_PHYSMAP=y
 # CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_GPIO_ADDR is not set
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -668,6 +713,10 @@ CONFIG_MTD_PHYSMAP=y
 CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_RAM is not set
 # CONFIG_CDROM_PKTCDVD is not set
@@ -687,6 +736,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
 # CONFIG_SCSI_DMA is not set
@@ -727,6 +777,7 @@ CONFIG_MII=y
 # CONFIG_SMC91X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
 # CONFIG_DNET is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
@@ -737,23 +788,21 @@ CONFIG_MII=y
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 # CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
 CONFIG_CPMAC=y
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
-
-#
-# Wireless LAN
-#
-# CONFIG_WLAN_PRE80211 is not set
-CONFIG_WLAN_80211=y
-# CONFIG_LIBERTAS is not set
+CONFIG_WLAN=y
 # CONFIG_LIBERTAS_THINFIRM is not set
 # CONFIG_MAC80211_HWSIM is not set
-# CONFIG_P54_COMMON is not set
-# CONFIG_HOSTAP is not set
+# CONFIG_ATH_COMMON is not set
 # CONFIG_B43 is not set
 # CONFIG_B43LEGACY is not set
+# CONFIG_HOSTAP is not set
+# CONFIG_LIBERTAS is not set
+# CONFIG_P54_COMMON is not set
 # CONFIG_RT2X00 is not set
+# CONFIG_WL12XX is not set
 
 #
 # Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -813,6 +862,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=2
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
@@ -824,11 +874,39 @@ CONFIG_HW_RANDOM=y
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
 # CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+# CONFIG_GPIO_IT8761E is not set
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -842,13 +920,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Sonics Silicon Backplane
 #
-CONFIG_SSB=y
-# CONFIG_SSB_SILENT is not set
-# CONFIG_SSB_DEBUG is not set
-CONFIG_SSB_SERIAL=y
-CONFIG_SSB_DRIVER_MIPS=y
-CONFIG_SSB_EMBEDDED=y
-CONFIG_SSB_DRIVER_EXTIF=y
+# CONFIG_SSB is not set
 
 #
 # Multifunction device drivers
@@ -882,15 +954,18 @@ CONFIG_LEDS_CLASS=y
 #
 # LED drivers
 #
-# CONFIG_LEDS_GPIO is not set
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_GPIO_PLATFORM=y
+# CONFIG_LEDS_LT3593 is not set
+CONFIG_LEDS_TRIGGERS=y
 
 #
 # LED Triggers
 #
-CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 # CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
+# CONFIG_LEDS_TRIGGER_GPIO is not set
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 
 #
@@ -921,6 +996,7 @@ CONFIG_VLYNQ=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
 CONFIG_FILE_LOCKING=y
 CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
@@ -984,6 +1060,7 @@ CONFIG_JFFS2_RTIME=y
 CONFIG_JFFS2_CMODE_PRIORITY=y
 # CONFIG_JFFS2_CMODE_SIZE is not set
 # CONFIG_JFFS2_CMODE_FAVOURLZO is not set
+# CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
 CONFIG_SQUASHFS=y
 # CONFIG_SQUASHFS_EMBEDDED is not set
@@ -996,11 +1073,11 @@ CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
 # CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFS_FS is not set
 # CONFIG_NFSD is not set
 # CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
@@ -1039,21 +1116,29 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 # CONFIG_ENABLE_MUST_CHECK is not set
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+CONFIG_STRIP_ASM_SYMS=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LKDTM is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
 CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
 # CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_EARLY_PRINTK=y
 CONFIG_CMDLINE_BOOL=y
 CONFIG_CMDLINE="rootfstype=squashfs,jffs2"
 # CONFIG_CMDLINE_OVERRIDE is not set
+# CONFIG_SPINLOCK_TEST is not set
 
 #
 # Security options
@@ -1061,13 +1146,16 @@ CONFIG_CMDLINE="rootfstype=squashfs,jffs2"
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=m
 CONFIG_CRYPTO_ALGAPI2=m
 CONFIG_CRYPTO_AEAD2=m
@@ -1108,11 +1196,13 @@ CONFIG_CRYPTO_ECB=m
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set

From 75d56c6e70605357f30fd0e60cde67e82db14895 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 2 May 2010 11:39:02 +0200
Subject: [PATCH 2639/3638] MIPS: RB532: Update defconfig

This updates the Mikrotik RB532 defconfig with:

- tiny RCU
- RB532 input buttons driver
- RB532 LED driver
- RC32434 watchdog driver
- GPIO sysfs support
- Wireless support
- SquashFS support
- more LED triggers

Signed-off-by: Florian Fainelli <florian@openwrt.org>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1166/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/configs/rb532_defconfig | 527 +++++++++++++++++++++---------
 1 file changed, 367 insertions(+), 160 deletions(-)

diff --git a/arch/mips/configs/rb532_defconfig b/arch/mips/configs/rb532_defconfig
index 57a50483abd..90a032af95c 100644
--- a/arch/mips/configs/rb532_defconfig
+++ b/arch/mips/configs/rb532_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.25
-# Mon Apr 28 12:24:17 2008
+# Linux kernel version: 2.6.34-rc6
+# Sat May  1 11:49:51 2010
 #
 CONFIG_MIPS=y
 
@@ -9,22 +9,25 @@ CONFIG_MIPS=y
 # Machine selection
 #
 # CONFIG_MACH_ALCHEMY is not set
+# CONFIG_AR7 is not set
 # CONFIG_BCM47XX is not set
+# CONFIG_BCM63XX is not set
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MACH_JAZZ is not set
 # CONFIG_LASAT is not set
-# CONFIG_LEMOTE_FULONG is not set
-# CONFIG_MIPS_ATLAS is not set
+# CONFIG_MACH_LOONGSON is not set
 # CONFIG_MIPS_MALTA is not set
-# CONFIG_MIPS_SEAD is not set
 # CONFIG_MIPS_SIM is not set
-# CONFIG_MARKEINS is not set
+# CONFIG_NEC_MARKEINS is not set
 # CONFIG_MACH_VR41XX is not set
+# CONFIG_NXP_STB220 is not set
+# CONFIG_NXP_STB225 is not set
 # CONFIG_PNX8550_JBS is not set
 # CONFIG_PNX8550_STB810 is not set
 # CONFIG_PMC_MSP is not set
 # CONFIG_PMC_YOSEMITE is not set
+# CONFIG_POWERTV is not set
 # CONFIG_SGI_IP22 is not set
 # CONFIG_SGI_IP27 is not set
 # CONFIG_SGI_IP28 is not set
@@ -38,11 +41,14 @@ CONFIG_MIPS=y
 # CONFIG_SIBYTE_SENTOSA is not set
 # CONFIG_SIBYTE_BIGSUR is not set
 # CONFIG_SNI_RM is not set
-# CONFIG_TOSHIBA_JMR3927 is not set
+# CONFIG_MACH_TX39XX is not set
+# CONFIG_MACH_TX49XX is not set
 CONFIG_MIKROTIK_RB532=y
-# CONFIG_TOSHIBA_RBTX4927 is not set
-# CONFIG_TOSHIBA_RBTX4938 is not set
 # CONFIG_WR_PPMC is not set
+# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set
+# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set
+# CONFIG_ALCHEMY_GPIO_INDIRECT is not set
+CONFIG_LOONGSON_UART_BASE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
@@ -53,14 +59,15 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CMOS_UPDATE=y
-CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_SCHED_OMIT_FRAME_POINTER=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_BOOT_RAW=y
+CONFIG_CEVT_R4K_LIB=y
 CONFIG_CEVT_R4K=y
+CONFIG_CSRC_R4K_LIB=y
 CONFIG_CSRC_R4K=y
 CONFIG_DMA_NONCOHERENT=y
-CONFIG_DMA_NEED_PCI_MAP_STATE=y
-# CONFIG_HOTPLUG_CPU is not set
+CONFIG_NEED_DMA_MAP_STATE=y
 # CONFIG_NO_IOPORT is not set
 CONFIG_GENERIC_GPIO=y
 # CONFIG_CPU_BIG_ENDIAN is not set
@@ -73,7 +80,8 @@ CONFIG_MIPS_L1_CACHE_SHIFT=4
 #
 # CPU selection
 #
-# CONFIG_CPU_LOONGSON2 is not set
+# CONFIG_CPU_LOONGSON2E is not set
+# CONFIG_CPU_LOONGSON2F is not set
 CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set
@@ -86,6 +94,7 @@ CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_TX49XX is not set
 # CONFIG_CPU_R5000 is not set
 # CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R5500 is not set
 # CONFIG_CPU_R6000 is not set
 # CONFIG_CPU_NEVADA is not set
 # CONFIG_CPU_R8000 is not set
@@ -93,11 +102,13 @@ CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_RM7000 is not set
 # CONFIG_CPU_RM9000 is not set
 # CONFIG_CPU_SB1 is not set
+# CONFIG_CPU_CAVIUM_OCTEON is not set
 CONFIG_SYS_HAS_CPU_MIPS32_R1=y
 CONFIG_CPU_MIPS32=y
 CONFIG_CPU_MIPSR1=y
 CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
 CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_HARDWARE_WATCHPOINTS=y
 
 #
 # Kernel type
@@ -107,11 +118,13 @@ CONFIG_32BIT=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_32KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
 CONFIG_CPU_HAS_PREFETCH=y
 CONFIG_MIPS_MT_DISABLED=y
 # CONFIG_MIPS_MT_SMP is not set
 # CONFIG_MIPS_MT_SMTC is not set
+# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
@@ -124,12 +137,13 @@ CONFIG_FLATMEM_MANUAL=y
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_TICK_ONESHOT=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
@@ -151,6 +165,7 @@ CONFIG_PREEMPT_NONE=y
 CONFIG_LOCKDEP_SUPPORT=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -168,23 +183,31 @@ CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+# CONFIG_TREE_RCU is not set
+# CONFIG_TREE_PREEMPT_RCU is not set
+CONFIG_TINY_RCU=y
+# CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CGROUPS is not set
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
 CONFIG_EMBEDDED=y
 CONFIG_SYSCTL_SYSCALL=y
 # CONFIG_KALLSYMS is not set
@@ -192,54 +215,87 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 # CONFIG_ELF_CORE is not set
-CONFIG_COMPAT_BRK=y
+CONFIG_PCSPKR_PLATFORM=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
-CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
 # CONFIG_VM_EVENT_COUNTERS is not set
+# CONFIG_PCI_QUIRKS is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-CONFIG_PROC_PAGE_MONITOR=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
-# CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-# CONFIG_IOSCHED_AS is not set
 CONFIG_IOSCHED_DEADLINE=y
 # CONFIG_IOSCHED_CFQ is not set
-# CONFIG_DEFAULT_AS is not set
 CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="deadline"
-CONFIG_CLASSIC_RCU=y
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
 
 #
 # Bus options (PCI, PCMCIA, EISA, ISA, TC)
@@ -248,7 +304,8 @@ CONFIG_HW_HAS_PCI=y
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
-CONFIG_PCI_LEGACY=y
+# CONFIG_PCI_STUB is not set
+# CONFIG_PCI_IOV is not set
 CONFIG_MMU=y
 # CONFIG_PCCARD is not set
 # CONFIG_HOTPLUG_PCI is not set
@@ -257,25 +314,22 @@ CONFIG_MMU=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
 CONFIG_TRAD_SIGNALS=y
 
 #
 # Power management options
 #
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 # CONFIG_PM is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
 # Networking options
 #
 CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -325,7 +379,6 @@ CONFIG_DEFAULT_VEGAS=y
 # CONFIG_DEFAULT_RENO is not set
 CONFIG_DEFAULT_TCP_CONG="vegas"
 # CONFIG_TCP_MD5SIG is not set
-# CONFIG_IP_VS is not set
 # CONFIG_IPV6 is not set
 # CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
@@ -336,8 +389,9 @@ CONFIG_NETFILTER_ADVANCED=y
 #
 # Core Netfilter Configuration
 #
+CONFIG_NETFILTER_NETLINK=m
 # CONFIG_NETFILTER_NETLINK_QUEUE is not set
-# CONFIG_NETFILTER_NETLINK_LOG is not set
+CONFIG_NETFILTER_NETLINK_LOG=m
 CONFIG_NF_CONNTRACK=y
 CONFIG_NF_CT_ACCT=y
 CONFIG_NF_CONNTRACK_MARK=y
@@ -355,18 +409,23 @@ CONFIG_NF_CONNTRACK_IRC=m
 # CONFIG_NF_CONNTRACK_SIP is not set
 CONFIG_NF_CONNTRACK_TFTP=m
 # CONFIG_NF_CT_NETLINK is not set
+# CONFIG_NETFILTER_TPROXY is not set
 CONFIG_NETFILTER_XTABLES=y
 # CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set
 # CONFIG_NETFILTER_XT_TARGET_CONNMARK is not set
+# CONFIG_NETFILTER_XT_TARGET_CT is not set
 # CONFIG_NETFILTER_XT_TARGET_DSCP is not set
+# CONFIG_NETFILTER_XT_TARGET_HL is not set
+# CONFIG_NETFILTER_XT_TARGET_LED is not set
 # CONFIG_NETFILTER_XT_TARGET_MARK is not set
-CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
 CONFIG_NETFILTER_XT_TARGET_NFLOG=m
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
 # CONFIG_NETFILTER_XT_TARGET_NOTRACK is not set
 # CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
 CONFIG_NETFILTER_XT_TARGET_TRACE=m
 # CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set
 # CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
+# CONFIG_NETFILTER_XT_MATCH_CLUSTER is not set
 CONFIG_NETFILTER_XT_MATCH_COMMENT=m
 # CONFIG_NETFILTER_XT_MATCH_CONNBYTES is not set
 CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m
@@ -375,18 +434,21 @@ CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m
 CONFIG_NETFILTER_XT_MATCH_DCCP=m
 # CONFIG_NETFILTER_XT_MATCH_DSCP is not set
 # CONFIG_NETFILTER_XT_MATCH_ESP is not set
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
 # CONFIG_NETFILTER_XT_MATCH_HELPER is not set
+# CONFIG_NETFILTER_XT_MATCH_HL is not set
 # CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
 # CONFIG_NETFILTER_XT_MATCH_LENGTH is not set
 CONFIG_NETFILTER_XT_MATCH_LIMIT=y
 # CONFIG_NETFILTER_XT_MATCH_MAC is not set
 # CONFIG_NETFILTER_XT_MATCH_MARK is not set
-# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
 CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
 # CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set
 # CONFIG_NETFILTER_XT_MATCH_QUOTA is not set
 # CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
 CONFIG_NETFILTER_XT_MATCH_REALM=m
+# CONFIG_NETFILTER_XT_MATCH_RECENT is not set
 CONFIG_NETFILTER_XT_MATCH_SCTP=m
 CONFIG_NETFILTER_XT_MATCH_STATE=y
 # CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set
@@ -394,20 +456,21 @@ CONFIG_NETFILTER_XT_MATCH_STATE=y
 # CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set
 # CONFIG_NETFILTER_XT_MATCH_TIME is not set
 CONFIG_NETFILTER_XT_MATCH_U32=m
-CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
+# CONFIG_NETFILTER_XT_MATCH_OSF is not set
+# CONFIG_IP_VS is not set
 
 #
 # IP: Netfilter Configuration
 #
+CONFIG_NF_DEFRAG_IPV4=y
 CONFIG_NF_CONNTRACK_IPV4=y
 CONFIG_NF_CONNTRACK_PROC_COMPAT=y
 # CONFIG_IP_NF_QUEUE is not set
 CONFIG_IP_NF_IPTABLES=y
-# CONFIG_IP_NF_MATCH_RECENT is not set
-# CONFIG_IP_NF_MATCH_ECN is not set
-# CONFIG_IP_NF_MATCH_AH is not set
-# CONFIG_IP_NF_MATCH_TTL is not set
 CONFIG_IP_NF_MATCH_ADDRTYPE=m
+# CONFIG_IP_NF_MATCH_AH is not set
+# CONFIG_IP_NF_MATCH_ECN is not set
+# CONFIG_IP_NF_MATCH_TTL is not set
 CONFIG_IP_NF_FILTER=y
 CONFIG_IP_NF_TARGET_REJECT=y
 # CONFIG_IP_NF_TARGET_LOG is not set
@@ -415,8 +478,8 @@ CONFIG_IP_NF_TARGET_REJECT=y
 CONFIG_NF_NAT=y
 CONFIG_NF_NAT_NEEDED=y
 CONFIG_IP_NF_TARGET_MASQUERADE=y
-# CONFIG_IP_NF_TARGET_REDIRECT is not set
 # CONFIG_IP_NF_TARGET_NETMAP is not set
+# CONFIG_IP_NF_TARGET_REDIRECT is not set
 # CONFIG_NF_NAT_SNMP_BASIC is not set
 CONFIG_NF_NAT_FTP=m
 CONFIG_NF_NAT_IRC=m
@@ -426,17 +489,22 @@ CONFIG_NF_NAT_TFTP=m
 # CONFIG_NF_NAT_H323 is not set
 # CONFIG_NF_NAT_SIP is not set
 CONFIG_IP_NF_MANGLE=y
+# CONFIG_IP_NF_TARGET_CLUSTERIP is not set
 # CONFIG_IP_NF_TARGET_ECN is not set
 # CONFIG_IP_NF_TARGET_TTL is not set
-# CONFIG_IP_NF_TARGET_CLUSTERIP is not set
 CONFIG_IP_NF_RAW=m
 # CONFIG_IP_NF_ARPTABLES is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
+CONFIG_STP=y
 CONFIG_BRIDGE=y
+CONFIG_BRIDGE_IGMP_SNOOPING=y
+# CONFIG_NET_DSA is not set
 CONFIG_VLAN_8021Q=y
+# CONFIG_VLAN_8021Q_GVRP is not set
 # CONFIG_DECNET is not set
 CONFIG_LLC=y
 CONFIG_LLC2=m
@@ -446,6 +514,8 @@ CONFIG_LLC2=m
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 CONFIG_NET_SCHED=y
 
 #
@@ -455,7 +525,7 @@ CONFIG_NET_SCH_CBQ=m
 # CONFIG_NET_SCH_HTB is not set
 # CONFIG_NET_SCH_HFSC is not set
 CONFIG_NET_SCH_PRIO=m
-CONFIG_NET_SCH_RR=m
+# CONFIG_NET_SCH_MULTIQ is not set
 # CONFIG_NET_SCH_RED is not set
 # CONFIG_NET_SCH_SFQ is not set
 # CONFIG_NET_SCH_TEQL is not set
@@ -463,6 +533,7 @@ CONFIG_NET_SCH_RR=m
 # CONFIG_NET_SCH_GRED is not set
 # CONFIG_NET_SCH_DSMARK is not set
 CONFIG_NET_SCH_NETEM=m
+# CONFIG_NET_SCH_DRR is not set
 # CONFIG_NET_SCH_INGRESS is not set
 
 #
@@ -496,8 +567,10 @@ CONFIG_NET_ACT_IPT=m
 # CONFIG_NET_ACT_NAT is not set
 CONFIG_NET_ACT_PEDIT=m
 # CONFIG_NET_ACT_SIMP is not set
+# CONFIG_NET_ACT_SKBEDIT is not set
 CONFIG_NET_CLS_IND=y
 CONFIG_NET_SCH_FIFO=y
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -514,14 +587,19 @@ CONFIG_HAMRADIO=y
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
 CONFIG_FIB_RULES=y
+CONFIG_WIRELESS=y
+CONFIG_WIRELESS_EXT=y
+CONFIG_WEXT_CORE=y
+CONFIG_WEXT_PROC=y
+CONFIG_WEXT_PRIV=y
+# CONFIG_CFG80211 is not set
+CONFIG_WIRELESS_EXT_SYSFS=y
+# CONFIG_LIB80211 is not set
 
 #
-# Wireless
+# CFG80211 needs to be enabled for MAC80211
 #
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_EXT=y
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -533,13 +611,17 @@ CONFIG_WIRELESS_EXT=y
 # Generic Driver Options
 #
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_SYS_HYPERVISOR is not set
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -611,6 +693,11 @@ CONFIG_MTD_NAND_IDS=y
 CONFIG_MTD_NAND_PLATFORM=y
 # CONFIG_MTD_ONENAND is not set
 
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
 #
 # UBI - Unsorted block images
 #
@@ -623,23 +710,36 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_UMEM is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_SX8 is not set
 # CONFIG_BLK_DEV_RAM is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_PHANTOM is not set
-# CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HP_ILO is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_CB710_CORE is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -656,10 +756,6 @@ CONFIG_SCSI_PROC_FS=y
 # CONFIG_BLK_DEV_SR is not set
 # CONFIG_CHR_DEV_SG is not set
 # CONFIG_CHR_DEV_SCH is not set
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
 # CONFIG_SCSI_MULTI_LUN is not set
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
@@ -676,27 +772,35 @@ CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SCSI_SRP_ATTRS is not set
 CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_BNX2_ISCSI is not set
+# CONFIG_BE2ISCSI is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_HPSA is not set
 # CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_3W_SAS is not set
 # CONFIG_SCSI_ACARD is not set
 # CONFIG_SCSI_AACRAID is not set
 # CONFIG_SCSI_AIC7XXX is not set
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_AIC79XX is not set
 # CONFIG_SCSI_AIC94XX is not set
+# CONFIG_SCSI_MVSAS is not set
 # CONFIG_SCSI_DPT_I2O is not set
 # CONFIG_SCSI_ADVANSYS is not set
 # CONFIG_SCSI_ARCMSR is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
 # CONFIG_MEGARAID_SAS is not set
+# CONFIG_SCSI_MPT2SAS is not set
 # CONFIG_SCSI_HPTIOP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_FCOE is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
 # CONFIG_SCSI_INIA100 is not set
-# CONFIG_SCSI_MVSAS is not set
 # CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
@@ -708,9 +812,15 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_NSP32 is not set
 # CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_PMCRAID is not set
+# CONFIG_SCSI_PM8001 is not set
 # CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_BFA_FC is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
+# CONFIG_ATA_VERBOSE_ERROR is not set
 # CONFIG_SATA_PMP is not set
 # CONFIG_SATA_AHCI is not set
 # CONFIG_SATA_SIL24 is not set
@@ -732,6 +842,7 @@ CONFIG_ATA_SFF=y
 # CONFIG_PATA_ALI is not set
 # CONFIG_PATA_AMD is not set
 # CONFIG_PATA_ARTOP is not set
+# CONFIG_PATA_ATP867X is not set
 # CONFIG_PATA_ATIIXP is not set
 # CONFIG_PATA_CMD640_PCI is not set
 # CONFIG_PATA_CMD64X is not set
@@ -747,6 +858,7 @@ CONFIG_ATA_SFF=y
 # CONFIG_PATA_IT821X is not set
 # CONFIG_PATA_IT8213 is not set
 # CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_LEGACY is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MARVELL is not set
 # CONFIG_PATA_MPIIX is not set
@@ -757,29 +869,39 @@ CONFIG_ATA_SFF=y
 # CONFIG_PATA_NS87415 is not set
 # CONFIG_PATA_OPTI is not set
 # CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PDC2027X is not set
 # CONFIG_PATA_PDC_OLD is not set
 # CONFIG_PATA_RADISYS is not set
 CONFIG_PATA_RB532=y
+# CONFIG_PATA_RDC is not set
 # CONFIG_PATA_RZ1000 is not set
 # CONFIG_PATA_SC1200 is not set
 # CONFIG_PATA_SERVERWORKS is not set
-# CONFIG_PATA_PDC2027X is not set
 # CONFIG_PATA_SIL680 is not set
 # CONFIG_PATA_SIS is not set
+# CONFIG_PATA_TOSHIBA is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
 # CONFIG_PATA_PLATFORM is not set
+# CONFIG_PATA_SCH is not set
 # CONFIG_MD is not set
 # CONFIG_FUSION is not set
 
 #
 # IEEE 1394 (FireWire) support
 #
+
+#
+# You can enable one or both FireWire driver stacks.
+#
+
+#
+# The newer stack is recommended.
+#
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 CONFIG_IFB=m
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
@@ -797,21 +919,28 @@ CONFIG_KORINA=y
 # CONFIG_SUNGEM is not set
 # CONFIG_CASSINI is not set
 # CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_SMC91X is not set
 # CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_KSZ884X_PCI is not set
 # CONFIG_B44 is not set
 # CONFIG_FORCEDETH is not set
 # CONFIG_TC35815 is not set
-# CONFIG_EEPRO100 is not set
 # CONFIG_E100 is not set
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
@@ -821,30 +950,27 @@ CONFIG_NET_PCI=y
 # CONFIG_R6040 is not set
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
+# CONFIG_SMSC9420 is not set
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
 CONFIG_VIA_RHINE=y
 # CONFIG_VIA_RHINE_MMIO is not set
-CONFIG_VIA_RHINE_NAPI=y
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
-
-#
-# Wireless LAN
-#
-# CONFIG_WLAN_PRE80211 is not set
-CONFIG_WLAN_80211=y
-# CONFIG_IPW2100 is not set
-# CONFIG_IPW2200 is not set
-# CONFIG_LIBERTAS is not set
-# CONFIG_HERMES is not set
+CONFIG_WLAN=y
 CONFIG_ATMEL=m
 # CONFIG_PCI_ATMEL is not set
 # CONFIG_PRISM54 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_HOSTAP is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
 # CONFIG_WAN is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
@@ -864,6 +990,7 @@ CONFIG_SLHC=m
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_VMXNET3 is not set
 # CONFIG_ISDN is not set
 # CONFIG_PHONE is not set
 
@@ -872,7 +999,8 @@ CONFIG_SLHC=m
 #
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
-# CONFIG_INPUT_POLLDEV is not set
+CONFIG_INPUT_POLLDEV=y
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -887,17 +1015,29 @@ CONFIG_INPUT=y
 #
 CONFIG_INPUT_KEYBOARD=y
 # CONFIG_KEYBOARD_ATKBD is not set
-# CONFIG_KEYBOARD_SUNKBD is not set
 # CONFIG_KEYBOARD_LKKBD is not set
-# CONFIG_KEYBOARD_XTKBD is not set
-# CONFIG_KEYBOARD_NEWTON is not set
-# CONFIG_KEYBOARD_STOWAWAY is not set
 # CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
-# CONFIG_INPUT_MISC is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_PCSPKR is not set
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_CM109 is not set
+# CONFIG_INPUT_UINPUT is not set
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+CONFIG_INPUT_RB532_BUTTON=y
 
 #
 # Hardware I/O ports
@@ -909,6 +1049,7 @@ CONFIG_INPUT_KEYBOARD=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 # CONFIG_NOZOMI is not set
 
@@ -928,105 +1069,95 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=2
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
-# CONFIG_RTC is not set
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
 # CONFIG_I2C is not set
+# CONFIG_SPI is not set
 
 #
-# SPI support
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+# CONFIG_GPIO_IT8761E is not set
+# CONFIG_GPIO_SCH is not set
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# PCI GPIO expanders:
+#
+# CONFIG_GPIO_CS5535 is not set
+# CONFIG_GPIO_BT8XX is not set
+# CONFIG_GPIO_LANGWELL is not set
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
 #
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
 CONFIG_WATCHDOG=y
-# CONFIG_WATCHDOG_NOWAYOUT is not set
+CONFIG_WATCHDOG_NOWAYOUT=y
 
 #
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ALIM7101_WDT is not set
+CONFIG_RC32434_WDT=y
 
 #
 # PCI-based Watchdog Cards
 #
 # CONFIG_PCIPCWATCHDOG is not set
 # CONFIG_WDTPCI is not set
+CONFIG_SSB_POSSIBLE=y
 
 #
 # Sonics Silicon Backplane
 #
-CONFIG_SSB_POSSIBLE=y
 # CONFIG_SSB is not set
 
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
-
-#
-# Multimedia devices
-#
-CONFIG_VIDEO_DEV=m
-CONFIG_VIDEO_V4L2_COMMON=m
-CONFIG_VIDEO_ALLOW_V4L1=y
-CONFIG_VIDEO_V4L1_COMPAT=y
-CONFIG_VIDEO_V4L2=m
-CONFIG_VIDEO_V4L1=m
-CONFIG_VIDEO_CAPTURE_DRIVERS=y
-# CONFIG_VIDEO_ADV_DEBUG is not set
-# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set
-
-#
-# Encoders/decoders and other helper chips
-#
-
-#
-# Audio decoders
-#
-
-#
-# Video decoders
-#
-
-#
-# Video and audio decoders
-#
-
-#
-# MPEG video encoders
-#
-# CONFIG_VIDEO_CX2341X is not set
-
-#
-# Video encoders
-#
-
-#
-# Video improvement chips
-#
-# CONFIG_VIDEO_VIVI is not set
-# CONFIG_VIDEO_CPIA is not set
-# CONFIG_VIDEO_STRADIS is not set
-# CONFIG_SOC_CAMERA is not set
-# CONFIG_RADIO_ADAPTERS is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_DAB is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_TIMBERDALE is not set
+# CONFIG_LPC_SCH is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
 #
+# CONFIG_VGA_ARB is not set
 # CONFIG_DRM is not set
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
@@ -1037,13 +1168,10 @@ CONFIG_VIDEO_CAPTURE_DRIVERS=y
 # Display device support
 #
 # CONFIG_DISPLAY_SUPPORT is not set
-
-#
-# Sound
-#
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 # CONFIG_HID is not set
+# CONFIG_HID_PID is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1053,9 +1181,18 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
+#
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
 #
 # CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_UWB is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 CONFIG_NEW_LEDS=y
@@ -1064,20 +1201,36 @@ CONFIG_LEDS_CLASS=y
 #
 # LED drivers
 #
+CONFIG_LEDS_MIKROTIK_RB532=y
 # CONFIG_LEDS_GPIO is not set
+# CONFIG_LEDS_LT3593 is not set
+CONFIG_LEDS_TRIGGERS=y
 
 #
 # LED Triggers
 #
-CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
-# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
+# CONFIG_LEDS_TRIGGER_GPIO is not set
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+
+#
+# iptables trigger is under Netfilter config (LED target)
+#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
 CONFIG_RTC_LIB=y
 # CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
 
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
 #
 # File systems
 #
@@ -1085,19 +1238,29 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
 
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
 #
 # CD-ROM/DVD Filesystems
 #
@@ -1117,15 +1280,13 @@ CONFIG_EXT2_FS=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_CONFIGFS_FS=y
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -1148,9 +1309,14 @@ CONFIG_JFFS2_RTIME=y
 CONFIG_JFFS2_CMODE_PRIORITY=y
 # CONFIG_JFFS2_CMODE_SIZE is not set
 # CONFIG_JFFS2_CMODE_FAVOURLZO is not set
+# CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
+CONFIG_SQUASHFS=y
+# CONFIG_SQUASHFS_EMBEDDED is not set
+CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -1160,6 +1326,7 @@ CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFS_FS is not set
 # CONFIG_NFSD is not set
 # CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
@@ -1198,11 +1365,22 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 # CONFIG_ENABLE_MUST_CHECK is not set
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+CONFIG_STRIP_ASM_SYMS=y
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
 # CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_CMDLINE_BOOL is not set
 
 #
@@ -1210,18 +1388,32 @@ CONFIG_FRAME_WARN=1024
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=m
-CONFIG_CRYPTO_AEAD=m
-CONFIG_CRYPTO_BLKCIPHER=m
-# CONFIG_CRYPTO_MANAGER is not set
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD2=m
+CONFIG_CRYPTO_BLKCIPHER2=m
+CONFIG_CRYPTO_HASH=m
+CONFIG_CRYPTO_HASH2=m
+CONFIG_CRYPTO_RNG=m
+CONFIG_CRYPTO_RNG2=m
+CONFIG_CRYPTO_PCOMP=y
+CONFIG_CRYPTO_MANAGER=m
+CONFIG_CRYPTO_MANAGER2=m
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=m
 # CONFIG_CRYPTO_CRYPTD is not set
 # CONFIG_CRYPTO_AUTHENC is not set
 CONFIG_CRYPTO_TEST=m
@@ -1249,14 +1441,20 @@ CONFIG_CRYPTO_TEST=m
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
-# CONFIG_CRYPTO_CRC32C is not set
+CONFIG_CRYPTO_CRC32C=m
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 # CONFIG_CRYPTO_SHA1 is not set
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
@@ -1266,7 +1464,7 @@ CONFIG_CRYPTO_TEST=m
 #
 # Ciphers
 #
-# CONFIG_CRYPTO_AES is not set
+CONFIG_CRYPTO_AES=m
 # CONFIG_CRYPTO_ANUBIS is not set
 # CONFIG_CRYPTO_ARC4 is not set
 # CONFIG_CRYPTO_BLOWFISH is not set
@@ -1286,27 +1484,36 @@ CONFIG_CRYPTO_TEST=m
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+CONFIG_CRYPTO_ZLIB=y
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+CONFIG_CRYPTO_ANSI_CPRNG=m
 # CONFIG_CRYPTO_HW is not set
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 CONFIG_CRC16=m
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_TEXTSEARCH=y
 CONFIG_TEXTSEARCH_KMP=m
 CONFIG_TEXTSEARCH_BM=m
 CONFIG_TEXTSEARCH_FSM=m
-CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y

From 480f3b2dd36c4f5477d20c1bb53f25fc6c7ce38a Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 2 May 2010 11:39:07 +0200
Subject: [PATCH 2640/3638] MIPS: BCM47xx: Update defconfig

Update Broadcom BCM47xx defconfig with:

- tiny RCU
- BCM47xx watchdog driver
- b43/b43legacy wireless as modules
- SSB Gigabit Ethernet driver
- disabled IRDA

6igned-off-by: Florian Fainelli <florian@openwrt.org>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1167/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/configs/bcm47xx_defconfig | 1093 +++++++++++++++++----------
 1 file changed, 688 insertions(+), 405 deletions(-)

diff --git a/arch/mips/configs/bcm47xx_defconfig b/arch/mips/configs/bcm47xx_defconfig
index 267bd46120b..bbd826b8032 100644
--- a/arch/mips/configs/bcm47xx_defconfig
+++ b/arch/mips/configs/bcm47xx_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.25-rc2
-# Mon Feb 18 11:55:24 2008
+# Linux kernel version: 2.6.34-rc6
+# Sat May  1 12:14:30 2010
 #
 CONFIG_MIPS=y
 
@@ -9,20 +9,25 @@ CONFIG_MIPS=y
 # Machine selection
 #
 # CONFIG_MACH_ALCHEMY is not set
+# CONFIG_AR7 is not set
 CONFIG_BCM47XX=y
+# CONFIG_BCM63XX is not set
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MACH_JAZZ is not set
 # CONFIG_LASAT is not set
-# CONFIG_LEMOTE_FULONG is not set
+# CONFIG_MACH_LOONGSON is not set
 # CONFIG_MIPS_MALTA is not set
 # CONFIG_MIPS_SIM is not set
-# CONFIG_MARKEINS is not set
+# CONFIG_NEC_MARKEINS is not set
 # CONFIG_MACH_VR41XX is not set
+# CONFIG_NXP_STB220 is not set
+# CONFIG_NXP_STB225 is not set
 # CONFIG_PNX8550_JBS is not set
 # CONFIG_PNX8550_STB810 is not set
 # CONFIG_PMC_MSP is not set
 # CONFIG_PMC_YOSEMITE is not set
+# CONFIG_POWERTV is not set
 # CONFIG_SGI_IP22 is not set
 # CONFIG_SGI_IP27 is not set
 # CONFIG_SGI_IP28 is not set
@@ -36,10 +41,14 @@ CONFIG_BCM47XX=y
 # CONFIG_SIBYTE_SENTOSA is not set
 # CONFIG_SIBYTE_BIGSUR is not set
 # CONFIG_SNI_RM is not set
-# CONFIG_TOSHIBA_JMR3927 is not set
-# CONFIG_TOSHIBA_RBTX4927 is not set
-# CONFIG_TOSHIBA_RBTX4938 is not set
+# CONFIG_MACH_TX39XX is not set
+# CONFIG_MACH_TX49XX is not set
+# CONFIG_MIKROTIK_RB532 is not set
 # CONFIG_WR_PPMC is not set
+# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set
+# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set
+# CONFIG_ALCHEMY_GPIO_INDIRECT is not set
+CONFIG_LOONGSON_UART_BASE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
@@ -50,16 +59,16 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CMOS_UPDATE=y
-CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
-# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
+CONFIG_SCHED_OMIT_FRAME_POINTER=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_CEVT_R4K_LIB=y
 CONFIG_CEVT_R4K=y
+CONFIG_CSRC_R4K_LIB=y
 CONFIG_CSRC_R4K=y
 CONFIG_CFE=y
 CONFIG_DMA_NONCOHERENT=y
-CONFIG_DMA_NEED_PCI_MAP_STATE=y
-CONFIG_EARLY_PRINTK=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_SYS_HAS_EARLY_PRINTK=y
-# CONFIG_HOTPLUG_CPU is not set
 # CONFIG_NO_IOPORT is not set
 CONFIG_GENERIC_GPIO=y
 # CONFIG_CPU_BIG_ENDIAN is not set
@@ -71,7 +80,8 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 #
 # CPU selection
 #
-# CONFIG_CPU_LOONGSON2 is not set
+# CONFIG_CPU_LOONGSON2E is not set
+# CONFIG_CPU_LOONGSON2F is not set
 CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set
@@ -84,6 +94,7 @@ CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_TX49XX is not set
 # CONFIG_CPU_R5000 is not set
 # CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R5500 is not set
 # CONFIG_CPU_R6000 is not set
 # CONFIG_CPU_NEVADA is not set
 # CONFIG_CPU_R8000 is not set
@@ -91,11 +102,13 @@ CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_RM7000 is not set
 # CONFIG_CPU_RM9000 is not set
 # CONFIG_CPU_SB1 is not set
+# CONFIG_CPU_CAVIUM_OCTEON is not set
 CONFIG_SYS_HAS_CPU_MIPS32_R1=y
 CONFIG_CPU_MIPS32=y
 CONFIG_CPU_MIPSR1=y
 CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
 CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_HARDWARE_WATCHPOINTS=y
 
 #
 # Kernel type
@@ -105,11 +118,13 @@ CONFIG_32BIT=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_32KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
 CONFIG_CPU_HAS_PREFETCH=y
 CONFIG_MIPS_MT_DISABLED=y
 # CONFIG_MIPS_MT_SMP is not set
 # CONFIG_MIPS_MT_SMTC is not set
+# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
@@ -122,12 +137,13 @@ CONFIG_FLATMEM_MANUAL=y
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_TICK_ONESHOT=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
@@ -144,12 +160,12 @@ CONFIG_HZ=250
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
-CONFIG_RCU_TRACE=y
 CONFIG_KEXEC=y
 # CONFIG_SECCOMP is not set
 CONFIG_LOCKDEP_SUPPORT=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -163,6 +179,7 @@ CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BSD_PROCESS_ACCT_V3=y
 CONFIG_TASKSTATS=y
@@ -170,25 +187,37 @@ CONFIG_TASK_DELAY_ACCT=y
 CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_AUDIT=y
+
+#
+# RCU Subsystem
+#
+# CONFIG_TREE_RCU is not set
+# CONFIG_TREE_PREEMPT_RCU is not set
+CONFIG_TINY_RCU=y
+# CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
 CONFIG_CGROUPS=y
 # CONFIG_CGROUP_DEBUG is not set
 CONFIG_CGROUP_NS=y
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUP_FREEZER is not set
+# CONFIG_CGROUP_DEVICE is not set
+# CONFIG_CPUSETS is not set
 CONFIG_CGROUP_CPUACCT=y
 # CONFIG_RESOURCE_COUNTERS is not set
-CONFIG_SYSFS_DEPRECATED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
 CONFIG_RELAY=y
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+CONFIG_RD_LZMA=y
+# CONFIG_RD_LZO is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
 CONFIG_EMBEDDED=y
 CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
@@ -197,54 +226,90 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-CONFIG_COMPAT_BRK=y
+CONFIG_PCSPKR_PLATFORM=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
-CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_KPROBES is not set
-CONFIG_PROC_PAGE_MONITOR=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+CONFIG_SLOW_WORK=y
+# CONFIG_SLOW_WORK_DEBUG is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
-# CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-CONFIG_LBD=y
-CONFIG_BLK_DEV_IO_TRACE=y
-CONFIG_LSF=y
+CONFIG_LBDAF=y
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
+# CONFIG_CFQ_GROUP_IOSCHED is not set
 # CONFIG_DEFAULT_DEADLINE is not set
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
-CONFIG_CLASSIC_RCU=y
-# CONFIG_PREEMPT_RCU is not set
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
 
 #
 # Bus options (PCI, PCMCIA, EISA, ISA, TC)
@@ -253,7 +318,8 @@ CONFIG_HW_HAS_PCI=y
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
-CONFIG_PCI_LEGACY=y
+# CONFIG_PCI_STUB is not set
+# CONFIG_PCI_IOV is not set
 CONFIG_MMU=y
 # CONFIG_PCCARD is not set
 # CONFIG_HOTPLUG_PCI is not set
@@ -262,31 +328,30 @@ CONFIG_MMU=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 CONFIG_BINFMT_MISC=m
 CONFIG_TRAD_SIGNALS=y
 
 #
 # Power management options
 #
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 # CONFIG_PM is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
 # Networking options
 #
 CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
 # CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=m
 CONFIG_NET_KEY=m
 # CONFIG_NET_KEY_MIGRATE is not set
 CONFIG_INET=y
@@ -315,7 +380,7 @@ CONFIG_INET_TUNNEL=m
 CONFIG_INET_XFRM_MODE_TRANSPORT=m
 CONFIG_INET_XFRM_MODE_TUNNEL=m
 CONFIG_INET_XFRM_MODE_BEET=m
-CONFIG_INET_LRO=m
+CONFIG_INET_LRO=y
 CONFIG_INET_DIAG=m
 CONFIG_INET_TCP_DIAG=m
 CONFIG_TCP_CONG_ADVANCED=y
@@ -339,7 +404,112 @@ CONFIG_DEFAULT_BIC=y
 # CONFIG_DEFAULT_RENO is not set
 CONFIG_DEFAULT_TCP_CONG="bic"
 # CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=m
+CONFIG_IPV6_PRIVACY=y
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
+CONFIG_IPV6_SIT=m
+# CONFIG_IPV6_SIT_6RD is not set
+CONFIG_IPV6_NDISC_NODETYPE=y
+CONFIG_IPV6_TUNNEL=m
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_IPV6_SUBTREES=y
+# CONFIG_IPV6_MROUTE is not set
+CONFIG_NETWORK_SECMARK=y
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
+CONFIG_BRIDGE_NETFILTER=y
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=m
+CONFIG_NETFILTER_NETLINK_QUEUE=m
+CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CT_ACCT=y
+CONFIG_NF_CONNTRACK_MARK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NF_CT_PROTO_DCCP=m
+CONFIG_NF_CT_PROTO_GRE=m
+CONFIG_NF_CT_PROTO_SCTP=m
+CONFIG_NF_CT_PROTO_UDPLITE=m
+CONFIG_NF_CONNTRACK_AMANDA=m
+CONFIG_NF_CONNTRACK_FTP=m
+CONFIG_NF_CONNTRACK_H323=m
+CONFIG_NF_CONNTRACK_IRC=m
+CONFIG_NF_CONNTRACK_NETBIOS_NS=m
+CONFIG_NF_CONNTRACK_PPTP=m
+CONFIG_NF_CONNTRACK_SANE=m
+CONFIG_NF_CONNTRACK_SIP=m
+CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_CT_NETLINK=m
+# CONFIG_NETFILTER_TPROXY is not set
+CONFIG_NETFILTER_XTABLES=m
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=m
+# CONFIG_NETFILTER_XT_TARGET_CT is not set
+CONFIG_NETFILTER_XT_TARGET_DSCP=m
+CONFIG_NETFILTER_XT_TARGET_HL=m
+# CONFIG_NETFILTER_XT_TARGET_LED is not set
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+CONFIG_NETFILTER_XT_TARGET_NFLOG=m
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
+CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
+# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
+CONFIG_NETFILTER_XT_TARGET_TRACE=m
+CONFIG_NETFILTER_XT_TARGET_SECMARK=m
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
+# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
+# CONFIG_NETFILTER_XT_MATCH_CLUSTER is not set
+CONFIG_NETFILTER_XT_MATCH_COMMENT=m
+CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NETFILTER_XT_MATCH_DCCP=m
+CONFIG_NETFILTER_XT_MATCH_DSCP=m
+CONFIG_NETFILTER_XT_MATCH_ESP=m
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
+CONFIG_NETFILTER_XT_MATCH_HELPER=m
+CONFIG_NETFILTER_XT_MATCH_HL=m
+# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
+CONFIG_NETFILTER_XT_MATCH_LENGTH=m
+CONFIG_NETFILTER_XT_MATCH_LIMIT=m
+CONFIG_NETFILTER_XT_MATCH_MAC=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
+CONFIG_NETFILTER_XT_MATCH_POLICY=m
+CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
+CONFIG_NETFILTER_XT_MATCH_QUOTA=m
+# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
+CONFIG_NETFILTER_XT_MATCH_REALM=m
+# CONFIG_NETFILTER_XT_MATCH_RECENT is not set
+CONFIG_NETFILTER_XT_MATCH_SCTP=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
+CONFIG_NETFILTER_XT_MATCH_STRING=m
+CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
+CONFIG_NETFILTER_XT_MATCH_TIME=m
+CONFIG_NETFILTER_XT_MATCH_U32=m
+# CONFIG_NETFILTER_XT_MATCH_OSF is not set
 CONFIG_IP_VS=m
+# CONFIG_IP_VS_IPV6 is not set
 # CONFIG_IP_VS_DEBUG is not set
 CONFIG_IP_VS_TAB_BITS=12
 
@@ -348,8 +518,10 @@ CONFIG_IP_VS_TAB_BITS=12
 #
 CONFIG_IP_VS_PROTO_TCP=y
 CONFIG_IP_VS_PROTO_UDP=y
+CONFIG_IP_VS_PROTO_AH_ESP=y
 CONFIG_IP_VS_PROTO_ESP=y
 CONFIG_IP_VS_PROTO_AH=y
+# CONFIG_IP_VS_PROTO_SCTP is not set
 
 #
 # IPVS scheduler
@@ -369,111 +541,19 @@ CONFIG_IP_VS_NQ=m
 # IPVS application helper
 #
 CONFIG_IP_VS_FTP=m
-CONFIG_IPV6=m
-CONFIG_IPV6_PRIVACY=y
-# CONFIG_IPV6_ROUTER_PREF is not set
-# CONFIG_IPV6_OPTIMISTIC_DAD is not set
-CONFIG_INET6_AH=m
-CONFIG_INET6_ESP=m
-CONFIG_INET6_IPCOMP=m
-# CONFIG_IPV6_MIP6 is not set
-CONFIG_INET6_XFRM_TUNNEL=m
-CONFIG_INET6_TUNNEL=m
-CONFIG_INET6_XFRM_MODE_TRANSPORT=m
-CONFIG_INET6_XFRM_MODE_TUNNEL=m
-CONFIG_INET6_XFRM_MODE_BEET=m
-CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
-CONFIG_IPV6_SIT=m
-CONFIG_IPV6_TUNNEL=m
-CONFIG_IPV6_MULTIPLE_TABLES=y
-CONFIG_IPV6_SUBTREES=y
-CONFIG_NETWORK_SECMARK=y
-CONFIG_NETFILTER=y
-# CONFIG_NETFILTER_DEBUG is not set
-CONFIG_NETFILTER_ADVANCED=y
-CONFIG_BRIDGE_NETFILTER=y
-
-#
-# Core Netfilter Configuration
-#
-CONFIG_NETFILTER_NETLINK=m
-CONFIG_NETFILTER_NETLINK_QUEUE=m
-CONFIG_NETFILTER_NETLINK_LOG=m
-CONFIG_NF_CONNTRACK=m
-CONFIG_NF_CT_ACCT=y
-CONFIG_NF_CONNTRACK_MARK=y
-CONFIG_NF_CONNTRACK_SECMARK=y
-CONFIG_NF_CONNTRACK_EVENTS=y
-CONFIG_NF_CT_PROTO_GRE=m
-CONFIG_NF_CT_PROTO_SCTP=m
-CONFIG_NF_CT_PROTO_UDPLITE=m
-CONFIG_NF_CONNTRACK_AMANDA=m
-CONFIG_NF_CONNTRACK_FTP=m
-CONFIG_NF_CONNTRACK_H323=m
-CONFIG_NF_CONNTRACK_IRC=m
-CONFIG_NF_CONNTRACK_NETBIOS_NS=m
-CONFIG_NF_CONNTRACK_PPTP=m
-CONFIG_NF_CONNTRACK_SANE=m
-CONFIG_NF_CONNTRACK_SIP=m
-CONFIG_NF_CONNTRACK_TFTP=m
-CONFIG_NF_CT_NETLINK=m
-CONFIG_NETFILTER_XTABLES=m
-CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
-CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
-CONFIG_NETFILTER_XT_TARGET_DSCP=m
-CONFIG_NETFILTER_XT_TARGET_MARK=m
-CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
-CONFIG_NETFILTER_XT_TARGET_NFLOG=m
-CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
-# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
-CONFIG_NETFILTER_XT_TARGET_TRACE=m
-CONFIG_NETFILTER_XT_TARGET_SECMARK=m
-CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=m
-CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
-# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
-CONFIG_NETFILTER_XT_MATCH_COMMENT=m
-CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
-CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m
-CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
-CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
-CONFIG_NETFILTER_XT_MATCH_DCCP=m
-CONFIG_NETFILTER_XT_MATCH_DSCP=m
-CONFIG_NETFILTER_XT_MATCH_ESP=m
-CONFIG_NETFILTER_XT_MATCH_HELPER=m
-# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
-CONFIG_NETFILTER_XT_MATCH_LENGTH=m
-CONFIG_NETFILTER_XT_MATCH_LIMIT=m
-CONFIG_NETFILTER_XT_MATCH_MAC=m
-CONFIG_NETFILTER_XT_MATCH_MARK=m
-# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
-CONFIG_NETFILTER_XT_MATCH_POLICY=m
-CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
-CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
-CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
-CONFIG_NETFILTER_XT_MATCH_QUOTA=m
-# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
-CONFIG_NETFILTER_XT_MATCH_REALM=m
-CONFIG_NETFILTER_XT_MATCH_SCTP=m
-CONFIG_NETFILTER_XT_MATCH_STATE=m
-CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
-CONFIG_NETFILTER_XT_MATCH_STRING=m
-CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
-CONFIG_NETFILTER_XT_MATCH_TIME=m
-CONFIG_NETFILTER_XT_MATCH_U32=m
-CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
 
 #
 # IP: Netfilter Configuration
 #
+CONFIG_NF_DEFRAG_IPV4=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NF_CONNTRACK_PROC_COMPAT=y
 CONFIG_IP_NF_QUEUE=m
 CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_AH=m
-CONFIG_IP_NF_MATCH_TTL=m
 CONFIG_IP_NF_MATCH_ADDRTYPE=m
+CONFIG_IP_NF_MATCH_AH=m
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_TTL=m
 CONFIG_IP_NF_FILTER=m
 CONFIG_IP_NF_TARGET_REJECT=m
 CONFIG_IP_NF_TARGET_LOG=m
@@ -481,10 +561,13 @@ CONFIG_IP_NF_TARGET_ULOG=m
 CONFIG_NF_NAT=m
 CONFIG_NF_NAT_NEEDED=y
 CONFIG_IP_NF_TARGET_MASQUERADE=m
-CONFIG_IP_NF_TARGET_REDIRECT=m
 CONFIG_IP_NF_TARGET_NETMAP=m
+CONFIG_IP_NF_TARGET_REDIRECT=m
 CONFIG_NF_NAT_SNMP_BASIC=m
+CONFIG_NF_NAT_PROTO_DCCP=m
 CONFIG_NF_NAT_PROTO_GRE=m
+CONFIG_NF_NAT_PROTO_UDPLITE=m
+CONFIG_NF_NAT_PROTO_SCTP=m
 CONFIG_NF_NAT_FTP=m
 CONFIG_NF_NAT_IRC=m
 CONFIG_NF_NAT_TFTP=m
@@ -493,9 +576,9 @@ CONFIG_NF_NAT_PPTP=m
 CONFIG_NF_NAT_H323=m
 CONFIG_NF_NAT_SIP=m
 CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_TARGET_CLUSTERIP=m
 CONFIG_IP_NF_TARGET_ECN=m
 CONFIG_IP_NF_TARGET_TTL=m
-CONFIG_IP_NF_TARGET_CLUSTERIP=m
 CONFIG_IP_NF_RAW=m
 CONFIG_IP_NF_ARPTABLES=m
 CONFIG_IP_NF_ARPFILTER=m
@@ -507,24 +590,20 @@ CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_IP6_NF_QUEUE=m
 CONFIG_IP6_NF_IPTABLES=m
-CONFIG_IP6_NF_MATCH_RT=m
-CONFIG_IP6_NF_MATCH_OPTS=m
+CONFIG_IP6_NF_MATCH_AH=m
+CONFIG_IP6_NF_MATCH_EUI64=m
 CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_OPTS=m
 CONFIG_IP6_NF_MATCH_HL=m
 CONFIG_IP6_NF_MATCH_IPV6HEADER=m
-CONFIG_IP6_NF_MATCH_AH=m
 CONFIG_IP6_NF_MATCH_MH=m
-CONFIG_IP6_NF_MATCH_EUI64=m
-CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_MATCH_RT=m
+CONFIG_IP6_NF_TARGET_HL=m
 CONFIG_IP6_NF_TARGET_LOG=m
+CONFIG_IP6_NF_FILTER=m
 CONFIG_IP6_NF_TARGET_REJECT=m
 CONFIG_IP6_NF_MANGLE=m
-CONFIG_IP6_NF_TARGET_HL=m
 CONFIG_IP6_NF_RAW=m
-
-#
-# Bridge: Netfilter Configuration
-#
 CONFIG_BRIDGE_NF_EBTABLES=m
 CONFIG_BRIDGE_EBT_BROUTE=m
 CONFIG_BRIDGE_EBT_T_FILTER=m
@@ -533,6 +612,7 @@ CONFIG_BRIDGE_EBT_802_3=m
 CONFIG_BRIDGE_EBT_AMONG=m
 CONFIG_BRIDGE_EBT_ARP=m
 CONFIG_BRIDGE_EBT_IP=m
+# CONFIG_BRIDGE_EBT_IP6 is not set
 CONFIG_BRIDGE_EBT_LIMIT=m
 CONFIG_BRIDGE_EBT_MARK=m
 CONFIG_BRIDGE_EBT_PKTTYPE=m
@@ -545,31 +625,30 @@ CONFIG_BRIDGE_EBT_REDIRECT=m
 CONFIG_BRIDGE_EBT_SNAT=m
 CONFIG_BRIDGE_EBT_LOG=m
 CONFIG_BRIDGE_EBT_ULOG=m
+# CONFIG_BRIDGE_EBT_NFLOG is not set
 CONFIG_IP_DCCP=m
 CONFIG_INET_DCCP_DIAG=m
-CONFIG_IP_DCCP_ACKVEC=y
 
 #
 # DCCP CCIDs Configuration (EXPERIMENTAL)
 #
-CONFIG_IP_DCCP_CCID2=m
 # CONFIG_IP_DCCP_CCID2_DEBUG is not set
-CONFIG_IP_DCCP_CCID3=m
+CONFIG_IP_DCCP_CCID3=y
 # CONFIG_IP_DCCP_CCID3_DEBUG is not set
 CONFIG_IP_DCCP_CCID3_RTO=100
-CONFIG_IP_DCCP_TFRC_LIB=m
+CONFIG_IP_DCCP_TFRC_LIB=y
 CONFIG_IP_SCTP=m
 # CONFIG_SCTP_DBG_MSG is not set
 # CONFIG_SCTP_DBG_OBJCNT is not set
 # CONFIG_SCTP_HMAC_NONE is not set
 # CONFIG_SCTP_HMAC_SHA1 is not set
 CONFIG_SCTP_HMAC_MD5=y
+# CONFIG_RDS is not set
 CONFIG_TIPC=m
 CONFIG_TIPC_ADVANCED=y
 CONFIG_TIPC_ZONES=3
 CONFIG_TIPC_CLUSTERS=1
 CONFIG_TIPC_NODES=255
-CONFIG_TIPC_SLAVE_NODES=0
 CONFIG_TIPC_PORTS=8191
 CONFIG_TIPC_LOG=0
 # CONFIG_TIPC_DEBUG is not set
@@ -580,8 +659,12 @@ CONFIG_ATM_LANE=m
 CONFIG_ATM_MPOA=m
 CONFIG_ATM_BR2684=m
 # CONFIG_ATM_BR2684_IPFILTER is not set
+CONFIG_STP=m
 CONFIG_BRIDGE=m
+CONFIG_BRIDGE_IGMP_SNOOPING=y
+# CONFIG_NET_DSA is not set
 CONFIG_VLAN_8021Q=m
+# CONFIG_VLAN_8021Q_GVRP is not set
 # CONFIG_DECNET is not set
 CONFIG_LLC=m
 # CONFIG_LLC2 is not set
@@ -591,6 +674,8 @@ CONFIG_LLC=m
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 CONFIG_NET_SCHED=y
 
 #
@@ -601,7 +686,7 @@ CONFIG_NET_SCH_HTB=m
 CONFIG_NET_SCH_HFSC=m
 CONFIG_NET_SCH_ATM=m
 CONFIG_NET_SCH_PRIO=m
-CONFIG_NET_SCH_RR=m
+# CONFIG_NET_SCH_MULTIQ is not set
 CONFIG_NET_SCH_RED=m
 CONFIG_NET_SCH_SFQ=m
 CONFIG_NET_SCH_TEQL=m
@@ -609,6 +694,7 @@ CONFIG_NET_SCH_TBF=m
 CONFIG_NET_SCH_GRED=m
 CONFIG_NET_SCH_DSMARK=m
 CONFIG_NET_SCH_NETEM=m
+# CONFIG_NET_SCH_DRR is not set
 CONFIG_NET_SCH_INGRESS=m
 
 #
@@ -626,6 +712,7 @@ CONFIG_CLS_U32_MARK=y
 CONFIG_NET_CLS_RSVP=m
 CONFIG_NET_CLS_RSVP6=m
 # CONFIG_NET_CLS_FLOW is not set
+# CONFIG_NET_CLS_CGROUP is not set
 CONFIG_NET_EMATCH=y
 CONFIG_NET_EMATCH_STACK=32
 CONFIG_NET_EMATCH_CMP=m
@@ -642,8 +729,10 @@ CONFIG_NET_ACT_IPT=m
 CONFIG_NET_ACT_NAT=m
 CONFIG_NET_ACT_PEDIT=m
 CONFIG_NET_ACT_SIMP=m
+# CONFIG_NET_ACT_SKBEDIT is not set
 CONFIG_NET_CLS_IND=y
 CONFIG_NET_SCH_FIFO=y
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -651,58 +740,7 @@ CONFIG_NET_SCH_FIFO=y
 CONFIG_NET_PKTGEN=m
 # CONFIG_HAMRADIO is not set
 # CONFIG_CAN is not set
-CONFIG_IRDA=m
-
-#
-# IrDA protocols
-#
-CONFIG_IRLAN=m
-CONFIG_IRNET=m
-CONFIG_IRCOMM=m
-# CONFIG_IRDA_ULTRA is not set
-
-#
-# IrDA options
-#
-CONFIG_IRDA_CACHE_LAST_LSAP=y
-CONFIG_IRDA_FAST_RR=y
-# CONFIG_IRDA_DEBUG is not set
-
-#
-# Infrared-port device drivers
-#
-
-#
-# SIR device drivers
-#
-CONFIG_IRTTY_SIR=m
-
-#
-# Dongle support
-#
-CONFIG_DONGLE=y
-CONFIG_ESI_DONGLE=m
-CONFIG_ACTISYS_DONGLE=m
-CONFIG_TEKRAM_DONGLE=m
-CONFIG_TOIM3232_DONGLE=m
-CONFIG_LITELINK_DONGLE=m
-CONFIG_MA600_DONGLE=m
-CONFIG_GIRBIL_DONGLE=m
-CONFIG_MCP2120_DONGLE=m
-CONFIG_OLD_BELKIN_DONGLE=m
-CONFIG_ACT200L_DONGLE=m
-CONFIG_KINGSUN_DONGLE=m
-CONFIG_KSDAZZLE_DONGLE=m
-CONFIG_KS959_DONGLE=m
-
-#
-# FIR device drivers
-#
-CONFIG_USB_IRDA=m
-CONFIG_SIGMATEL_FIR=m
-CONFIG_TOSHIBA_FIR=m
-CONFIG_VLSI_FIR=m
-CONFIG_MCS_FIR=m
+# CONFIG_IRDA is not set
 CONFIG_BT=m
 # CONFIG_BT_L2CAP is not set
 # CONFIG_BT_SCO is not set
@@ -710,8 +748,7 @@ CONFIG_BT=m
 #
 # Bluetooth device drivers
 #
-CONFIG_BT_HCIUSB=m
-CONFIG_BT_HCIUSB_SCO=y
+# CONFIG_BT_HCIBTUSB is not set
 CONFIG_BT_HCIUART=m
 CONFIG_BT_HCIUART_H4=y
 CONFIG_BT_HCIUART_BCSP=y
@@ -720,51 +757,37 @@ CONFIG_BT_HCIBCM203X=m
 CONFIG_BT_HCIBPA10X=m
 CONFIG_BT_HCIBFUSB=m
 CONFIG_BT_HCIVHCI=m
+# CONFIG_BT_MRVL is not set
 # CONFIG_AF_RXRPC is not set
 CONFIG_FIB_RULES=y
-
-#
-# Wireless
-#
+CONFIG_WIRELESS=y
+CONFIG_WEXT_CORE=y
+CONFIG_WEXT_PROC=y
 CONFIG_CFG80211=m
-CONFIG_NL80211=y
-CONFIG_WIRELESS_EXT=y
+# CONFIG_NL80211_TESTMODE is not set
+# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
+# CONFIG_CFG80211_REG_DEBUG is not set
+CONFIG_CFG80211_DEFAULT_PS=y
+# CONFIG_CFG80211_DEBUGFS is not set
+# CONFIG_CFG80211_INTERNAL_REGDB is not set
+CONFIG_CFG80211_WEXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
+# CONFIG_LIB80211 is not set
 CONFIG_MAC80211=m
-
-#
-# Rate control algorithm selection
-#
-CONFIG_MAC80211_RC_DEFAULT_PID=y
-# CONFIG_MAC80211_RC_DEFAULT_SIMPLE is not set
-# CONFIG_MAC80211_RC_DEFAULT_NONE is not set
-
-#
-# Selecting 'y' for an algorithm will
-#
-
-#
-# build the algorithm into mac80211.
-#
-CONFIG_MAC80211_RC_DEFAULT="pid"
 CONFIG_MAC80211_RC_PID=y
-# CONFIG_MAC80211_RC_SIMPLE is not set
+CONFIG_MAC80211_RC_MINSTREL=y
+CONFIG_MAC80211_RC_DEFAULT_PID=y
+# CONFIG_MAC80211_RC_DEFAULT_MINSTREL is not set
+CONFIG_MAC80211_RC_DEFAULT="pid"
+CONFIG_MAC80211_MESH=y
 CONFIG_MAC80211_LEDS=y
 # CONFIG_MAC80211_DEBUGFS is not set
-# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set
-# CONFIG_MAC80211_DEBUG is not set
-CONFIG_IEEE80211=m
-# CONFIG_IEEE80211_DEBUG is not set
-CONFIG_IEEE80211_CRYPT_WEP=m
-CONFIG_IEEE80211_CRYPT_CCMP=m
-CONFIG_IEEE80211_CRYPT_TKIP=m
-CONFIG_IEEE80211_SOFTMAC=m
-# CONFIG_IEEE80211_SOFTMAC_DEBUG is not set
+# CONFIG_MAC80211_DEBUG_MENU is not set
+# CONFIG_WIMAX is not set
 CONFIG_RFKILL=m
-CONFIG_RFKILL_INPUT=m
 CONFIG_RFKILL_LEDS=y
-CONFIG_NET_9P=m
-CONFIG_NET_9P_FD=m
-# CONFIG_NET_9P_DEBUG is not set
+CONFIG_RFKILL_INPUT=y
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -774,17 +797,22 @@ CONFIG_NET_9P_FD=m
 # Generic Driver Options
 #
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=m
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_SYS_HYPERVISOR is not set
 CONFIG_CONNECTOR=m
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 CONFIG_MTD_CONCAT=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
@@ -829,9 +857,7 @@ CONFIG_MTD_ABSENT=y
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_PHYSMAP_START=0x8000000
-CONFIG_MTD_PHYSMAP_LEN=0x0
-CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
 # CONFIG_MTD_INTEL_VR_NOR is not set
 # CONFIG_MTD_PLATRAM is not set
 
@@ -853,6 +879,11 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2
 # CONFIG_MTD_NAND is not set
 # CONFIG_MTD_ONENAND is not set
 
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
 #
 # UBI - Unsorted block images
 #
@@ -866,6 +897,7 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=m
 CONFIG_BLK_DEV_CRYPTOLOOP=m
+# CONFIG_BLK_DEV_DRBD is not set
 CONFIG_BLK_DEV_NBD=m
 # CONFIG_BLK_DEV_SX8 is not set
 # CONFIG_BLK_DEV_UB is not set
@@ -875,18 +907,27 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 CONFIG_ATA_OVER_ETH=m
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_PHANTOM is not set
-# CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HP_ILO is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_CB710_CORE is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 CONFIG_RAID_ATTRS=m
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -904,10 +945,6 @@ CONFIG_BLK_DEV_SR=m
 CONFIG_BLK_DEV_SR_VENDOR=y
 CONFIG_CHR_DEV_SG=m
 CONFIG_CHR_DEV_SCH=m
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
 CONFIG_SCSI_MULTI_LUN=y
 CONFIG_SCSI_CONSTANTS=y
 CONFIG_SCSI_LOGGING=y
@@ -924,21 +961,30 @@ CONFIG_SCSI_ISCSI_ATTRS=m
 # CONFIG_SCSI_SRP_ATTRS is not set
 CONFIG_SCSI_LOWLEVEL=y
 CONFIG_ISCSI_TCP=m
+# CONFIG_SCSI_BNX2_ISCSI is not set
+# CONFIG_BE2ISCSI is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_HPSA is not set
 # CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_3W_SAS is not set
 # CONFIG_SCSI_ACARD is not set
 # CONFIG_SCSI_AACRAID is not set
 # CONFIG_SCSI_AIC7XXX is not set
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_AIC79XX is not set
 # CONFIG_SCSI_AIC94XX is not set
+# CONFIG_SCSI_MVSAS is not set
 # CONFIG_SCSI_DPT_I2O is not set
 # CONFIG_SCSI_ADVANSYS is not set
 # CONFIG_SCSI_ARCMSR is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
 # CONFIG_MEGARAID_SAS is not set
+# CONFIG_SCSI_MPT2SAS is not set
 # CONFIG_SCSI_HPTIOP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_FCOE is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_IPS is not set
@@ -954,7 +1000,12 @@ CONFIG_ISCSI_TCP=m
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_NSP32 is not set
 # CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_PMCRAID is not set
+# CONFIG_SCSI_PM8001 is not set
 # CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_BFA_FC is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 # CONFIG_FUSION is not set
@@ -962,11 +1013,18 @@ CONFIG_ISCSI_TCP=m
 #
 # IEEE 1394 (FireWire) support
 #
+
+#
+# You can enable one or both FireWire driver stacks.
+#
+
+#
+# The newer stack is recommended.
+#
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_IFB is not set
 CONFIG_DUMMY=m
 # CONFIG_BONDING is not set
@@ -990,8 +1048,11 @@ CONFIG_SMSC_PHY=m
 CONFIG_BROADCOM_PHY=m
 CONFIG_ICPLUS_PHY=m
 # CONFIG_REALTEK_PHY is not set
-# CONFIG_FIXED_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
 CONFIG_MDIO_BITBANG=m
+# CONFIG_MDIO_GPIO is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 # CONFIG_AX88796 is not set
@@ -999,24 +1060,31 @@ CONFIG_MII=y
 # CONFIG_SUNGEM is not set
 # CONFIG_CASSINI is not set
 # CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_SMC91X is not set
 # CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_KSZ884X_PCI is not set
 CONFIG_B44=y
 CONFIG_B44_PCI_AUTOSELECT=y
 CONFIG_B44_PCICORE_AUTOSELECT=y
 CONFIG_B44_PCI=y
 # CONFIG_FORCEDETH is not set
 # CONFIG_TC35815 is not set
-# CONFIG_EEPRO100 is not set
 # CONFIG_E100 is not set
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
@@ -1026,41 +1094,67 @@ CONFIG_B44_PCI=y
 # CONFIG_R6040 is not set
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
+# CONFIG_SMSC9420 is not set
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
-
-#
-# Wireless LAN
-#
-# CONFIG_WLAN_PRE80211 is not set
-CONFIG_WLAN_80211=y
-# CONFIG_IPW2100 is not set
-# CONFIG_IPW2200 is not set
-# CONFIG_LIBERTAS is not set
-# CONFIG_HERMES is not set
+CONFIG_WLAN=y
+# CONFIG_LIBERTAS_THINFIRM is not set
 # CONFIG_ATMEL is not set
+# CONFIG_AT76C50X_USB is not set
 # CONFIG_PRISM54 is not set
 # CONFIG_USB_ZD1201 is not set
 # CONFIG_USB_NET_RNDIS_WLAN is not set
 # CONFIG_RTL8180 is not set
 # CONFIG_RTL8187 is not set
 # CONFIG_ADM8211 is not set
-# CONFIG_P54_COMMON is not set
+# CONFIG_MAC80211_HWSIM is not set
+# CONFIG_MWL8K is not set
+CONFIG_ATH_COMMON=m
+# CONFIG_ATH_DEBUG is not set
 CONFIG_ATH5K=m
-# CONFIG_IWL4965 is not set
-# CONFIG_IWL3945 is not set
+# CONFIG_ATH5K_DEBUG is not set
+# CONFIG_ATH9K is not set
+# CONFIG_AR9170_USB is not set
+CONFIG_B43=m
+CONFIG_B43_PCI_AUTOSELECT=y
+CONFIG_B43_PCICORE_AUTOSELECT=y
+CONFIG_B43_PIO=y
+CONFIG_B43_PHY_LP=y
+CONFIG_B43_LEDS=y
+# CONFIG_B43_DEBUG is not set
+CONFIG_B43LEGACY=m
+CONFIG_B43LEGACY_PCI_AUTOSELECT=y
+CONFIG_B43LEGACY_PCICORE_AUTOSELECT=y
+CONFIG_B43LEGACY_LEDS=y
+CONFIG_B43LEGACY_DEBUG=y
+CONFIG_B43LEGACY_DMA=y
+CONFIG_B43LEGACY_PIO=y
+CONFIG_B43LEGACY_DMA_AND_PIO_MODE=y
+# CONFIG_B43LEGACY_DMA_MODE is not set
+# CONFIG_B43LEGACY_PIO_MODE is not set
 # CONFIG_HOSTAP is not set
-# CONFIG_BCM43XX is not set
-# CONFIG_B43 is not set
-# CONFIG_B43LEGACY is not set
+# CONFIG_IPW2100 is not set
+# CONFIG_IPW2200 is not set
+# CONFIG_IWLWIFI is not set
+# CONFIG_LIBERTAS is not set
+# CONFIG_HERMES is not set
+# CONFIG_P54_COMMON is not set
+# CONFIG_RT2X00 is not set
+# CONFIG_WL12XX is not set
 CONFIG_ZD1211RW=m
 # CONFIG_ZD1211RW_DEBUG is not set
-# CONFIG_RT2X00 is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
 
 #
 # USB Network Adapters
@@ -1072,7 +1166,10 @@ CONFIG_USB_RTL8150=m
 CONFIG_USB_USBNET=m
 CONFIG_USB_NET_AX8817X=m
 CONFIG_USB_NET_CDCETHER=m
+# CONFIG_USB_NET_CDC_EEM is not set
 CONFIG_USB_NET_DM9601=m
+# CONFIG_USB_NET_SMSC75XX is not set
+# CONFIG_USB_NET_SMSC95XX is not set
 CONFIG_USB_NET_GL620A=m
 CONFIG_USB_NET_NET1080=m
 CONFIG_USB_NET_PLUSB=m
@@ -1086,6 +1183,10 @@ CONFIG_USB_ARMLINUX=y
 CONFIG_USB_EPSON2888=y
 CONFIG_USB_KC2190=y
 CONFIG_USB_NET_ZAURUS=m
+# CONFIG_USB_HSO is not set
+# CONFIG_USB_NET_INT51X1 is not set
+# CONFIG_USB_IPHETH is not set
+CONFIG_USB_SIERRA_NET=m
 # CONFIG_WAN is not set
 CONFIG_ATM_DRIVERS=y
 CONFIG_ATM_DUMMY=m
@@ -1099,8 +1200,9 @@ CONFIG_ATM_TCP=m
 # CONFIG_ATM_AMBASSADOR is not set
 # CONFIG_ATM_HORIZON is not set
 # CONFIG_ATM_IA is not set
-# CONFIG_ATM_FORE200E_MAYBE is not set
+# CONFIG_ATM_FORE200E is not set
 # CONFIG_ATM_HE is not set
+# CONFIG_ATM_SOLOS is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
 CONFIG_PPP=m
@@ -1120,11 +1222,10 @@ CONFIG_SLHC=m
 # CONFIG_SLIP_SMART is not set
 # CONFIG_SLIP_MODE_SLIP6 is not set
 # CONFIG_NET_FC is not set
-CONFIG_NETCONSOLE=y
-# CONFIG_NETCONSOLE_DYNAMIC is not set
-CONFIG_NETPOLL=y
-# CONFIG_NETPOLL_TRAP is not set
-CONFIG_NET_POLL_CONTROLLER=y
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_VMXNET3 is not set
 # CONFIG_ISDN is not set
 # CONFIG_PHONE is not set
 
@@ -1134,6 +1235,7 @@ CONFIG_NET_POLL_CONTROLLER=y
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -1166,6 +1268,7 @@ CONFIG_INPUT_EVDEV=m
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 # CONFIG_NOZOMI is not set
 
@@ -1185,23 +1288,24 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=2
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
-# CONFIG_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
 # CONFIG_I2C is not set
+# CONFIG_SPI is not set
 
 #
-# SPI support
+# PPS support
 #
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
+# CONFIG_PPS is not set
 CONFIG_W1=m
 CONFIG_W1_CON=y
 
@@ -1217,21 +1321,45 @@ CONFIG_W1_MASTER_DS2490=m
 #
 CONFIG_W1_SLAVE_THERM=m
 CONFIG_W1_SLAVE_SMEM=m
+# CONFIG_W1_SLAVE_DS2431 is not set
 CONFIG_W1_SLAVE_DS2433=m
 # CONFIG_W1_SLAVE_DS2433_CRC is not set
 CONFIG_W1_SLAVE_DS2760=m
+# CONFIG_W1_SLAVE_BQ27000 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 CONFIG_THERMAL=y
-# CONFIG_WATCHDOG is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ALIM7101_WDT is not set
+CONFIG_BCM47XX_WDT=y
+
+#
+# PCI-based Watchdog Cards
+#
+# CONFIG_PCIPCWATCHDOG is not set
+# CONFIG_WDTPCI is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
 
 #
 # Sonics Silicon Backplane
 #
-CONFIG_SSB_POSSIBLE=y
 CONFIG_SSB=y
+CONFIG_SSB_SPROM=y
+CONFIG_SSB_BLOCKIO=y
 CONFIG_SSB_PCIHOST_POSSIBLE=y
 CONFIG_SSB_PCIHOST=y
+CONFIG_SSB_B43_PCI_BRIDGE=y
 # CONFIG_SSB_SILENT is not set
 # CONFIG_SSB_DEBUG is not set
 CONFIG_SSB_SERIAL=y
@@ -1239,24 +1367,26 @@ CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
 CONFIG_SSB_DRIVER_PCICORE=y
 CONFIG_SSB_PCICORE_HOSTMODE=y
 CONFIG_SSB_DRIVER_MIPS=y
+CONFIG_SSB_EMBEDDED=y
 CONFIG_SSB_DRIVER_EXTIF=y
+CONFIG_SSB_DRIVER_GIGE=y
 
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
-
-#
-# Multimedia devices
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
-CONFIG_USB_DABUSB=m
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_LPC_SCH is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
 #
+CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
 # CONFIG_DRM is not set
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
@@ -1271,15 +1401,9 @@ CONFIG_DISPLAY_SUPPORT=m
 #
 # Display hardware drivers
 #
-
-#
-# Sound
-#
 CONFIG_SOUND=m
-
-#
-# Advanced Linux Sound Architecture
-#
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
 CONFIG_SND=m
 CONFIG_SND_TIMER=m
 CONFIG_SND_PCM=m
@@ -1292,24 +1416,24 @@ CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
 CONFIG_SND_PCM_OSS_PLUGINS=y
 CONFIG_SND_SEQUENCER_OSS=y
+# CONFIG_SND_HRTIMER is not set
 # CONFIG_SND_DYNAMIC_MINORS is not set
 CONFIG_SND_SUPPORT_OLD_API=y
 CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
-
-#
-# Generic devices
-#
+CONFIG_SND_RAWMIDI_SEQ=m
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
+CONFIG_SND_DRIVERS=y
 CONFIG_SND_DUMMY=m
 CONFIG_SND_VIRMIDI=m
 # CONFIG_SND_MTPAV is not set
 # CONFIG_SND_SERIAL_U16550 is not set
 # CONFIG_SND_MPU401 is not set
-
-#
-# PCI devices
-#
+CONFIG_SND_PCI=y
 # CONFIG_SND_AD1889 is not set
 # CONFIG_SND_ALS300 is not set
 # CONFIG_SND_ALI5451 is not set
@@ -1318,6 +1442,7 @@ CONFIG_SND_VIRMIDI=m
 # CONFIG_SND_AU8810 is not set
 # CONFIG_SND_AU8820 is not set
 # CONFIG_SND_AU8830 is not set
+# CONFIG_SND_AW2 is not set
 # CONFIG_SND_AZT3328 is not set
 # CONFIG_SND_BT87X is not set
 # CONFIG_SND_CA0106 is not set
@@ -1325,6 +1450,8 @@ CONFIG_SND_VIRMIDI=m
 # CONFIG_SND_OXYGEN is not set
 # CONFIG_SND_CS4281 is not set
 # CONFIG_SND_CS46XX is not set
+# CONFIG_SND_CS5535AUDIO is not set
+# CONFIG_SND_CTXFI is not set
 # CONFIG_SND_DARLA20 is not set
 # CONFIG_SND_GINA20 is not set
 # CONFIG_SND_LAYLA20 is not set
@@ -1337,6 +1464,8 @@ CONFIG_SND_VIRMIDI=m
 # CONFIG_SND_INDIGO is not set
 # CONFIG_SND_INDIGOIO is not set
 # CONFIG_SND_INDIGODJ is not set
+# CONFIG_SND_INDIGOIOX is not set
+# CONFIG_SND_INDIGODJX is not set
 # CONFIG_SND_EMU10K1 is not set
 # CONFIG_SND_EMU10K1X is not set
 # CONFIG_SND_ENS1370 is not set
@@ -1353,6 +1482,7 @@ CONFIG_SND_VIRMIDI=m
 # CONFIG_SND_INTEL8X0 is not set
 # CONFIG_SND_INTEL8X0M is not set
 # CONFIG_SND_KORG1212 is not set
+# CONFIG_SND_LX6464ES is not set
 # CONFIG_SND_MAESTRO3 is not set
 # CONFIG_SND_MIXART is not set
 # CONFIG_SND_NM256 is not set
@@ -1368,45 +1498,22 @@ CONFIG_SND_VIRMIDI=m
 # CONFIG_SND_VIRTUOSO is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
-
-#
-# ALSA MIPS devices
-#
-
-#
-# USB devices
-#
+CONFIG_SND_MIPS=y
+CONFIG_SND_USB=y
 CONFIG_SND_USB_AUDIO=m
+# CONFIG_SND_USB_UA101 is not set
 # CONFIG_SND_USB_CAIAQ is not set
-
-#
-# System on Chip audio support
-#
 # CONFIG_SND_SOC is not set
-
-#
-# SoC Audio support for SuperH
-#
-
-#
-# ALSA SoC audio for Freescale SOCs
-#
-
-#
-# Open Sound System
-#
 # CONFIG_SOUND_PRIME is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=m
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 
 #
 # USB Input Devices
 #
 CONFIG_USB_HID=m
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 CONFIG_USB_HIDDEV=y
 
 #
@@ -1414,6 +1521,41 @@ CONFIG_USB_HIDDEV=y
 #
 # CONFIG_USB_KBD is not set
 # CONFIG_USB_MOUSE is not set
+
+#
+# Special HID drivers
+#
+# CONFIG_HID_3M_PCT is not set
+# CONFIG_HID_A4TECH is not set
+# CONFIG_HID_APPLE is not set
+# CONFIG_HID_BELKIN is not set
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
+# CONFIG_HID_CYPRESS is not set
+# CONFIG_HID_DRAGONRISE is not set
+# CONFIG_HID_EZKEY is not set
+# CONFIG_HID_KYE is not set
+# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_TWINHAN is not set
+# CONFIG_HID_KENSINGTON is not set
+# CONFIG_HID_LOGITECH is not set
+# CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MOSART is not set
+# CONFIG_HID_MONTEREY is not set
+# CONFIG_HID_NTRIG is not set
+# CONFIG_HID_ORTEK is not set
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_QUANTA is not set
+# CONFIG_HID_SAMSUNG is not set
+# CONFIG_HID_SONY is not set
+# CONFIG_HID_STANTUM is not set
+# CONFIG_HID_SUNPLUS is not set
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_ZEROPLUS is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1429,14 +1571,24 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DEVICE_CLASS is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_MON is not set
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
 
 #
 # USB Host Controller Drivers
 #
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_XHCI_HCD is not set
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_USB_EHCI_TT_NEWSCHED=y
+# CONFIG_USB_OXU210HP_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
 CONFIG_USB_OHCI_HCD=y
 # CONFIG_USB_OHCI_HCD_SSB is not set
 # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
@@ -1446,26 +1598,30 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 CONFIG_USB_U132_HCD=m
 # CONFIG_USB_SL811_HCD is not set
 CONFIG_USB_R8A66597_HCD=m
+# CONFIG_USB_WHCI_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
 
 #
 # USB Device Class drivers
 #
 CONFIG_USB_ACM=m
 CONFIG_USB_PRINTER=m
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
 #
 
 #
-# may also be needed; see USB_STORAGE Help for more information
+# also be needed; see USB_STORAGE Help for more info
 #
 CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
 CONFIG_USB_STORAGE_DATAFAB=y
 CONFIG_USB_STORAGE_FREECOM=y
 # CONFIG_USB_STORAGE_ISD200 is not set
-CONFIG_USB_STORAGE_DPCM=y
 CONFIG_USB_STORAGE_USBAT=y
 CONFIG_USB_STORAGE_SDDR09=y
 CONFIG_USB_STORAGE_SDDR55=y
@@ -1473,6 +1629,7 @@ CONFIG_USB_STORAGE_JUMPSHOT=y
 CONFIG_USB_STORAGE_ALAUDA=y
 CONFIG_USB_STORAGE_ONETOUCH=y
 CONFIG_USB_STORAGE_KARMA=y
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 # CONFIG_USB_LIBUSUAL is not set
 
 #
@@ -1480,7 +1637,6 @@ CONFIG_USB_STORAGE_KARMA=y
 #
 CONFIG_USB_MDC800=m
 CONFIG_USB_MICROTEK=m
-# CONFIG_USB_MON is not set
 
 #
 # USB port drivers
@@ -1489,13 +1645,12 @@ CONFIG_USB_SERIAL=m
 CONFIG_USB_EZUSB=y
 CONFIG_USB_SERIAL_GENERIC=y
 CONFIG_USB_SERIAL_AIRCABLE=m
-CONFIG_USB_SERIAL_AIRPRIME=m
 CONFIG_USB_SERIAL_ARK3116=m
 CONFIG_USB_SERIAL_BELKIN=m
 CONFIG_USB_SERIAL_CH341=m
 # CONFIG_USB_SERIAL_WHITEHEAT is not set
 CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
-CONFIG_USB_SERIAL_CP2101=m
+# CONFIG_USB_SERIAL_CP210X is not set
 CONFIG_USB_SERIAL_CYPRESS_M8=m
 CONFIG_USB_SERIAL_EMPEG=m
 CONFIG_USB_SERIAL_FTDI_SIO=m
@@ -1515,18 +1670,26 @@ CONFIG_USB_SERIAL_KOBIL_SCT=m
 CONFIG_USB_SERIAL_MCT_U232=m
 CONFIG_USB_SERIAL_MOS7720=m
 CONFIG_USB_SERIAL_MOS7840=m
+# CONFIG_USB_SERIAL_MOTOROLA is not set
 CONFIG_USB_SERIAL_NAVMAN=m
 CONFIG_USB_SERIAL_PL2303=m
 CONFIG_USB_SERIAL_OTI6858=m
+# CONFIG_USB_SERIAL_QCAUX is not set
+# CONFIG_USB_SERIAL_QUALCOMM is not set
+# CONFIG_USB_SERIAL_SPCP8X5 is not set
 CONFIG_USB_SERIAL_HP4X=m
 CONFIG_USB_SERIAL_SAFE=m
 # CONFIG_USB_SERIAL_SAFE_PADDED is not set
+# CONFIG_USB_SERIAL_SIEMENS_MPI is not set
 CONFIG_USB_SERIAL_SIERRAWIRELESS=m
+# CONFIG_USB_SERIAL_SYMBOL is not set
 # CONFIG_USB_SERIAL_TI is not set
 CONFIG_USB_SERIAL_CYBERJACK=m
 CONFIG_USB_SERIAL_XIRCOM=m
 CONFIG_USB_SERIAL_OPTION=m
 CONFIG_USB_SERIAL_OMNINET=m
+# CONFIG_USB_SERIAL_OPTICON is not set
+# CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set
 CONFIG_USB_SERIAL_DEBUG=m
 
 #
@@ -1535,18 +1698,13 @@ CONFIG_USB_SERIAL_DEBUG=m
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 CONFIG_USB_ADUTUX=m
-CONFIG_USB_AUERSWALD=m
+# CONFIG_USB_SEVSEG is not set
 CONFIG_USB_RIO500=m
 CONFIG_USB_LEGOTOWER=m
 CONFIG_USB_LCD=m
-CONFIG_USB_BERRY_CHARGE=m
 CONFIG_USB_LED=m
 CONFIG_USB_CYPRESS_CY7C63=m
 CONFIG_USB_CYTHERM=m
-CONFIG_USB_PHIDGET=m
-CONFIG_USB_PHIDGETKIT=m
-CONFIG_USB_PHIDGETMOTORCONTROL=m
-CONFIG_USB_PHIDGETSERVO=m
 CONFIG_USB_IDMOUSE=m
 CONFIG_USB_FTDI_ELAN=m
 # CONFIG_USB_APPLEDISPLAY is not set
@@ -1555,6 +1713,7 @@ CONFIG_USB_LD=m
 CONFIG_USB_TRANCEVIBRATOR=m
 CONFIG_USB_IOWARRIOR=m
 CONFIG_USB_TEST=m
+# CONFIG_USB_ISIGHTFW is not set
 CONFIG_USB_ATM=m
 CONFIG_USB_SPEEDTOUCH=m
 CONFIG_USB_CXACRU=m
@@ -1563,30 +1722,51 @@ CONFIG_USB_XUSBATM=m
 CONFIG_USB_GADGET=m
 # CONFIG_USB_GADGET_DEBUG_FILES is not set
 # CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
 CONFIG_USB_GADGET_SELECTED=y
-# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_AT91 is not set
 # CONFIG_USB_GADGET_ATMEL_USBA is not set
 # CONFIG_USB_GADGET_FSL_USB2 is not set
-CONFIG_USB_GADGET_NET2280=y
-CONFIG_USB_NET2280=m
-# CONFIG_USB_GADGET_PXA2XX is not set
-# CONFIG_USB_GADGET_M66592 is not set
-# CONFIG_USB_GADGET_GOKU is not set
 # CONFIG_USB_GADGET_LH7A40X is not set
 # CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_R8A66597 is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
+# CONFIG_USB_GADGET_IMX is not set
 # CONFIG_USB_GADGET_S3C2410 is not set
-# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+CONFIG_USB_GADGET_NET2280=y
+CONFIG_USB_NET2280=m
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
 # CONFIG_USB_GADGET_DUMMY_HCD is not set
 CONFIG_USB_GADGET_DUALSPEED=y
 CONFIG_USB_ZERO=m
+# CONFIG_USB_AUDIO is not set
 CONFIG_USB_ETH=m
 CONFIG_USB_ETH_RNDIS=y
+# CONFIG_USB_ETH_EEM is not set
 CONFIG_USB_GADGETFS=m
 CONFIG_USB_FILE_STORAGE=m
 # CONFIG_USB_FILE_STORAGE_TEST is not set
+# CONFIG_USB_MASS_STORAGE is not set
 CONFIG_USB_G_SERIAL=m
 CONFIG_USB_MIDI_GADGET=m
 # CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_USB_G_NOKIA is not set
+# CONFIG_USB_G_MULTI is not set
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_NOP_USB_XCEIV is not set
+# CONFIG_UWB is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 CONFIG_NEW_LEDS=y
@@ -1596,21 +1776,33 @@ CONFIG_LEDS_CLASS=y
 # LED drivers
 #
 CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_GPIO_PLATFORM=y
+# CONFIG_LEDS_LT3593 is not set
+CONFIG_LEDS_TRIGGERS=y
 
 #
 # LED Triggers
 #
-CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+
+#
+# iptables trigger is under Netfilter config (LED target)
+#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
 CONFIG_RTC_LIB=y
 # CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
 
 #
-# Userspace I/O
+# TI VLYNQ
 #
-# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -1621,10 +1813,11 @@ CONFIG_EXT2_FS_POSIX_ACL=y
 CONFIG_EXT2_FS_SECURITY=y
 # CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
 CONFIG_EXT3_FS_XATTR=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 CONFIG_EXT3_FS_SECURITY=y
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 # CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=y
@@ -1642,27 +1835,38 @@ CONFIG_JFS_SECURITY=y
 CONFIG_FS_POSIX_ACL=y
 CONFIG_XFS_FS=m
 CONFIG_XFS_QUOTA=y
-CONFIG_XFS_SECURITY=y
 CONFIG_XFS_POSIX_ACL=y
 CONFIG_XFS_RT=y
+# CONFIG_XFS_DEBUG is not set
 CONFIG_GFS2_FS=m
-CONFIG_GFS2_FS_LOCKING_NOLOCK=m
-CONFIG_GFS2_FS_LOCKING_DLM=m
+# CONFIG_GFS2_FS_LOCKING_DLM is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 CONFIG_QUOTA=y
 CONFIG_QUOTA_NETLINK_INTERFACE=y
 CONFIG_PRINT_QUOTA_WARNING=y
+# CONFIG_QUOTA_DEBUG is not set
+CONFIG_QUOTA_TREE=m
 CONFIG_QFMT_V1=m
 CONFIG_QFMT_V2=m
 CONFIG_QUOTACTL=y
 CONFIG_AUTOFS_FS=m
 CONFIG_AUTOFS4_FS=m
 CONFIG_FUSE_FS=m
+# CONFIG_CUSE is not set
 CONFIG_GENERIC_ACL=y
 
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
 #
 # CD-ROM/DVD Filesystems
 #
@@ -1690,15 +1894,13 @@ CONFIG_NTFS_RW=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_CONFIGFS_FS=m
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 CONFIG_ADFS_FS=m
 # CONFIG_ADFS_FS_RW is not set
 CONFIG_AFFS_FS=m
@@ -1721,12 +1923,19 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=m
+# CONFIG_SQUASHFS is not set
 CONFIG_VXFS_FS=m
 CONFIG_MINIX_FS=m
+# CONFIG_OMFS_FS is not set
 CONFIG_HPFS_FS=m
 CONFIG_QNX4FS_FS=m
 CONFIG_ROMFS_FS=m
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
 CONFIG_SYSV_FS=m
 CONFIG_UFS_FS=m
 # CONFIG_UFS_FS_WRITE is not set
@@ -1736,13 +1945,12 @@ CONFIG_NFS_FS=m
 CONFIG_NFS_V3=y
 CONFIG_NFS_V3_ACL=y
 CONFIG_NFS_V4=y
-# CONFIG_NFS_DIRECTIO is not set
+# CONFIG_NFS_V4_1 is not set
 CONFIG_NFSD=m
 CONFIG_NFSD_V2_ACL=y
 CONFIG_NFSD_V3=y
 CONFIG_NFSD_V3_ACL=y
 CONFIG_NFSD_V4=y
-CONFIG_NFSD_TCP=y
 CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=m
@@ -1750,10 +1958,10 @@ CONFIG_NFS_ACL_SUPPORT=m
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
 CONFIG_SUNRPC_GSS=m
-CONFIG_SUNRPC_BIND34=y
 CONFIG_RPCSEC_GSS_KRB5=m
 CONFIG_RPCSEC_GSS_SPKM3=m
 # CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
 CONFIG_CIFS=m
 # CONFIG_CIFS_STATS is not set
 # CONFIG_CIFS_WEAK_PW_HASH is not set
@@ -1771,9 +1979,7 @@ CONFIG_NCPFS_OS2_NS=y
 CONFIG_NCPFS_NLS=y
 CONFIG_NCPFS_EXTRAS=y
 CONFIG_CODA_FS=m
-# CONFIG_CODA_FS_OLD_API is not set
 # CONFIG_AFS_FS is not set
-CONFIG_9P_FS=m
 
 #
 # Partition Types
@@ -1846,90 +2052,167 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_LKDTM is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_EARLY_PRINTK=y
 # CONFIG_CMDLINE_BOOL is not set
+# CONFIG_SPINLOCK_TEST is not set
 
 #
 # Security options
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
 CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_AEAD2=y
 CONFIG_CRYPTO_BLKCIPHER=m
-# CONFIG_CRYPTO_SEQIV is not set
+CONFIG_CRYPTO_BLKCIPHER2=y
 CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG=m
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
 CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+CONFIG_CRYPTO_GF128MUL=m
+CONFIG_CRYPTO_NULL=m
+CONFIG_CRYPTO_WORKQUEUE=y
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=m
+CONFIG_CRYPTO_TEST=m
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_LRW=m
+CONFIG_CRYPTO_PCBC=m
+CONFIG_CRYPTO_XTS=m
+
+#
+# Hash modes
+#
 CONFIG_CRYPTO_HMAC=y
 CONFIG_CRYPTO_XCBC=m
-CONFIG_CRYPTO_NULL=m
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
+# CONFIG_CRYPTO_GHASH is not set
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MICHAEL_MIC=m
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=m
 CONFIG_CRYPTO_SHA256=m
 CONFIG_CRYPTO_SHA512=m
-CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_TGR192=m
-CONFIG_CRYPTO_GF128MUL=m
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_CBC=m
-CONFIG_CRYPTO_PCBC=m
-CONFIG_CRYPTO_LRW=m
-CONFIG_CRYPTO_XTS=m
-# CONFIG_CRYPTO_CTR is not set
-# CONFIG_CRYPTO_GCM is not set
-# CONFIG_CRYPTO_CCM is not set
-# CONFIG_CRYPTO_CRYPTD is not set
-CONFIG_CRYPTO_DES=m
-CONFIG_CRYPTO_FCRYPT=m
-CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_TWOFISH_COMMON=m
-CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_WP512=m
+
+#
+# Ciphers
+#
 CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_BLOWFISH=m
+CONFIG_CRYPTO_CAMELLIA=m
 CONFIG_CRYPTO_CAST5=m
 CONFIG_CRYPTO_CAST6=m
-CONFIG_CRYPTO_TEA=m
-CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_DES=m
+CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
-CONFIG_CRYPTO_ANUBIS=m
-CONFIG_CRYPTO_SEED=m
 # CONFIG_CRYPTO_SALSA20 is not set
+CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_TWOFISH_COMMON=m
+
+#
+# Compression
+#
 CONFIG_CRYPTO_DEFLATE=m
-CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_CRC32C=m
-CONFIG_CRYPTO_CAMELLIA=m
-CONFIG_CRYPTO_TEST=m
-CONFIG_CRYPTO_AUTHENC=m
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+CONFIG_CRYPTO_ANSI_CPRNG=m
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 CONFIG_CRC16=m
+# CONFIG_CRC_T10DIF is not set
 CONFIG_CRC_ITU_T=m
 CONFIG_CRC32=y
 CONFIG_CRC7=m
 CONFIG_LIBCRC32C=m
 CONFIG_AUDIT_GENERIC=y
-CONFIG_ZLIB_INFLATE=m
+CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_LZMA=y
 CONFIG_TEXTSEARCH=y
 CONFIG_TEXTSEARCH_KMP=m
 CONFIG_TEXTSEARCH_BM=m
 CONFIG_TEXTSEARCH_FSM=m
-CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y

From 32130ec2daa0aa095f7c5d915a11a18d33b35402 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 2 May 2010 11:39:11 +0200
Subject: [PATCH 2641/3638] MIPS: MTX-1: Update defconfig

Updates the 4G Systems MTX-1 defconfig, and remove systems unavailable
on this platform.  Changes include:

- built-in MTD char/block support
- GPIO sysfs support
- MTX-1 watchdog driver
- I2C over GPIO driver as a module
- SquashFS support

Signed-off-by: Florian Fainelli <florian@openwrt.org>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1168/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/configs/mtx1_defconfig | 2498 ++++++++++++------------------
 1 file changed, 1002 insertions(+), 1496 deletions(-)

diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig
index 144b94d9a6a..cff8f4c0e57 100644
--- a/arch/mips/configs/mtx1_defconfig
+++ b/arch/mips/configs/mtx1_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.23-rc8
-# Sun Sep 30 12:56:10 2007
+# Linux kernel version: 2.6.34-rc6
+# Sat May  1 13:39:10 2010
 #
 CONFIG_MIPS=y
 
@@ -9,20 +9,28 @@ CONFIG_MIPS=y
 # Machine selection
 #
 CONFIG_MACH_ALCHEMY=y
+# CONFIG_AR7 is not set
+# CONFIG_BCM47XX is not set
+# CONFIG_BCM63XX is not set
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MACH_JAZZ is not set
-# CONFIG_LEMOTE_FULONG is not set
+# CONFIG_LASAT is not set
+# CONFIG_MACH_LOONGSON is not set
 # CONFIG_MIPS_MALTA is not set
 # CONFIG_MIPS_SIM is not set
-# CONFIG_MARKEINS is not set
+# CONFIG_NEC_MARKEINS is not set
 # CONFIG_MACH_VR41XX is not set
+# CONFIG_NXP_STB220 is not set
+# CONFIG_NXP_STB225 is not set
 # CONFIG_PNX8550_JBS is not set
 # CONFIG_PNX8550_STB810 is not set
 # CONFIG_PMC_MSP is not set
 # CONFIG_PMC_YOSEMITE is not set
+# CONFIG_POWERTV is not set
 # CONFIG_SGI_IP22 is not set
 # CONFIG_SGI_IP27 is not set
+# CONFIG_SGI_IP28 is not set
 # CONFIG_SGI_IP32 is not set
 # CONFIG_SIBYTE_CRHINE is not set
 # CONFIG_SIBYTE_CARMEL is not set
@@ -33,10 +41,14 @@ CONFIG_MACH_ALCHEMY=y
 # CONFIG_SIBYTE_SENTOSA is not set
 # CONFIG_SIBYTE_BIGSUR is not set
 # CONFIG_SNI_RM is not set
-# CONFIG_TOSHIBA_JMR3927 is not set
-# CONFIG_TOSHIBA_RBTX4927 is not set
-# CONFIG_TOSHIBA_RBTX4938 is not set
+# CONFIG_MACH_TX39XX is not set
+# CONFIG_MACH_TX49XX is not set
+# CONFIG_MIKROTIK_RB532 is not set
 # CONFIG_WR_PPMC is not set
+# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set
+# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set
+CONFIG_ALCHEMY_GPIOINT_AU1000=y
+# CONFIG_ALCHEMY_GPIO_INDIRECT is not set
 CONFIG_MIPS_MTX1=y
 # CONFIG_MIPS_BOSPORUS is not set
 # CONFIG_MIPS_DB1000 is not set
@@ -53,29 +65,38 @@ CONFIG_MIPS_MTX1=y
 # CONFIG_MIPS_XXS1500 is not set
 CONFIG_SOC_AU1500=y
 CONFIG_SOC_AU1X00=y
+CONFIG_LOONGSON_UART_BASE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_SUPPORTS_OPROFILE=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_TIME=y
-CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
-# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_SCHED_OMIT_FRAME_POINTER=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_CEVT_R4K_LIB=y
+CONFIG_CSRC_R4K_LIB=y
 CONFIG_DMA_NONCOHERENT=y
-CONFIG_DMA_NEED_PCI_MAP_STATE=y
-# CONFIG_HOTPLUG_CPU is not set
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_SYS_HAS_EARLY_PRINTK=y
 # CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_GPIO=y
 # CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+CONFIG_IRQ_CPU=y
 CONFIG_MIPS_L1_CACHE_SHIFT=5
 
 #
 # CPU selection
 #
-# CONFIG_CPU_LOONGSON2 is not set
+# CONFIG_CPU_LOONGSON2E is not set
+# CONFIG_CPU_LOONGSON2F is not set
 CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set
@@ -88,6 +109,7 @@ CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_TX49XX is not set
 # CONFIG_CPU_R5000 is not set
 # CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R5500 is not set
 # CONFIG_CPU_R6000 is not set
 # CONFIG_CPU_NEVADA is not set
 # CONFIG_CPU_R8000 is not set
@@ -95,11 +117,14 @@ CONFIG_CPU_MIPS32_R1=y
 # CONFIG_CPU_RM7000 is not set
 # CONFIG_CPU_RM9000 is not set
 # CONFIG_CPU_SB1 is not set
+# CONFIG_CPU_CAVIUM_OCTEON is not set
+CONFIG_SYS_SUPPORTS_ZBOOT=y
 CONFIG_SYS_HAS_CPU_MIPS32_R1=y
 CONFIG_CPU_MIPS32=y
 CONFIG_CPU_MIPSR1=y
 CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
 CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_HARDWARE_WATCHPOINTS=y
 
 #
 # Kernel type
@@ -109,28 +134,36 @@ CONFIG_32BIT=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_32KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
 CONFIG_CPU_HAS_PREFETCH=y
 CONFIG_MIPS_MT_DISABLED=y
 # CONFIG_MIPS_MT_SMP is not set
 # CONFIG_MIPS_MT_SMTC is not set
 CONFIG_64BIT_PHYS_ADDR=y
+CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_CPU_SUPPORTS_HIGHMEM=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-CONFIG_RESOURCES_64BIT=y
+CONFIG_PHYS_ADDR_T_64BIT=y
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 # CONFIG_HZ_48 is not set
 # CONFIG_HZ_100 is not set
 # CONFIG_HZ_128 is not set
@@ -148,6 +181,7 @@ CONFIG_SECCOMP=y
 CONFIG_LOCKDEP_SUPPORT=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -157,23 +191,49 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 # CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BSD_PROCESS_ACCT_V3=y
 # CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
 CONFIG_AUDIT=y
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
-CONFIG_SYSFS_DEPRECATED=y
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
 CONFIG_RELAY=y
+# CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
 CONFIG_EMBEDDED=y
 CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
@@ -182,61 +242,104 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_PCSPKR_PLATFORM=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
-CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=m
+CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+CONFIG_SLOW_WORK=y
+# CONFIG_SLOW_WORK_DEBUG is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
-# CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-CONFIG_LBD=y
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+CONFIG_LBDAF=y
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
 # CONFIG_DEFAULT_DEADLINE is not set
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+CONFIG_FREEZER=y
 
 #
 # Bus options (PCI, PCMCIA, EISA, ISA, TC)
 #
 CONFIG_HW_HAS_PCI=y
 CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCI_STUB is not set
+# CONFIG_PCI_IOV is not set
 CONFIG_MMU=y
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
 CONFIG_PCCARD=m
-# CONFIG_PCMCIA_DEBUG is not set
 CONFIG_PCMCIA=m
 CONFIG_PCMCIA_LOAD_CIS=y
-CONFIG_PCMCIA_IOCTL=y
 CONFIG_CARDBUS=y
 
 #
@@ -251,6 +354,7 @@ CONFIG_YENTA_TOSHIBA=y
 CONFIG_PD6729=m
 CONFIG_I82092=m
 # CONFIG_PCMCIA_AU1X00 is not set
+# CONFIG_PCMCIA_ALCHEMY_DEVBOARD is not set
 CONFIG_PCCARD_NONSTATIC=m
 # CONFIG_HOTPLUG_PCI is not set
 
@@ -258,35 +362,38 @@ CONFIG_PCCARD_NONSTATIC=m
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 CONFIG_BINFMT_MISC=m
 CONFIG_TRAD_SIGNALS=y
 
 #
 # Power management options
 #
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_PM=y
-# CONFIG_PM_LEGACY is not set
 # CONFIG_PM_DEBUG is not set
 CONFIG_PM_SLEEP=y
-CONFIG_SUSPEND_UP_POSSIBLE=y
 CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_HIBERNATION is not set
 # CONFIG_APM_EMULATION is not set
-
-#
-# Networking
-#
+# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_OPS=y
 CONFIG_NET=y
 
 #
 # Networking options
 #
 CONFIG_PACKET=m
-CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=m
 CONFIG_NET_KEY=m
 # CONFIG_NET_KEY_MIGRATE is not set
 CONFIG_INET=y
@@ -315,13 +422,89 @@ CONFIG_INET_TUNNEL=m
 CONFIG_INET_XFRM_MODE_TRANSPORT=m
 CONFIG_INET_XFRM_MODE_TUNNEL=m
 CONFIG_INET_XFRM_MODE_BEET=m
+CONFIG_INET_LRO=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=m
+CONFIG_IPV6_PRIVACY=y
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
+CONFIG_IPV6_SIT=m
+# CONFIG_IPV6_SIT_6RD is not set
+CONFIG_IPV6_NDISC_NODETYPE=y
+CONFIG_IPV6_TUNNEL=m
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+CONFIG_NETWORK_SECMARK=y
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
+CONFIG_BRIDGE_NETFILTER=y
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=m
+CONFIG_NETFILTER_NETLINK_QUEUE=m
+CONFIG_NETFILTER_NETLINK_LOG=m
+# CONFIG_NF_CONNTRACK is not set
+# CONFIG_NETFILTER_TPROXY is not set
+CONFIG_NETFILTER_XTABLES=m
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
+CONFIG_NETFILTER_XT_TARGET_DSCP=m
+CONFIG_NETFILTER_XT_TARGET_HL=m
+# CONFIG_NETFILTER_XT_TARGET_LED is not set
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
+# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
+# CONFIG_NETFILTER_XT_TARGET_TRACE is not set
+CONFIG_NETFILTER_XT_TARGET_SECMARK=m
+# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set
+# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
+CONFIG_NETFILTER_XT_MATCH_COMMENT=m
+CONFIG_NETFILTER_XT_MATCH_DCCP=m
+CONFIG_NETFILTER_XT_MATCH_DSCP=m
+CONFIG_NETFILTER_XT_MATCH_ESP=m
+# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set
+CONFIG_NETFILTER_XT_MATCH_HL=m
+# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
+CONFIG_NETFILTER_XT_MATCH_LENGTH=m
+CONFIG_NETFILTER_XT_MATCH_LIMIT=m
+CONFIG_NETFILTER_XT_MATCH_MAC=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
+CONFIG_NETFILTER_XT_MATCH_POLICY=m
+CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
+CONFIG_NETFILTER_XT_MATCH_QUOTA=m
+# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
+CONFIG_NETFILTER_XT_MATCH_REALM=m
+# CONFIG_NETFILTER_XT_MATCH_RECENT is not set
+CONFIG_NETFILTER_XT_MATCH_SCTP=m
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
+CONFIG_NETFILTER_XT_MATCH_STRING=m
+CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
+# CONFIG_NETFILTER_XT_MATCH_TIME is not set
+# CONFIG_NETFILTER_XT_MATCH_U32 is not set
+# CONFIG_NETFILTER_XT_MATCH_OSF is not set
 CONFIG_IP_VS=m
+# CONFIG_IP_VS_IPV6 is not set
 # CONFIG_IP_VS_DEBUG is not set
 CONFIG_IP_VS_TAB_BITS=12
 
@@ -330,8 +513,10 @@ CONFIG_IP_VS_TAB_BITS=12
 #
 CONFIG_IP_VS_PROTO_TCP=y
 CONFIG_IP_VS_PROTO_UDP=y
+CONFIG_IP_VS_PROTO_AH_ESP=y
 CONFIG_IP_VS_PROTO_ESP=y
 CONFIG_IP_VS_PROTO_AH=y
+# CONFIG_IP_VS_PROTO_SCTP is not set
 
 #
 # IPVS scheduler
@@ -351,86 +536,22 @@ CONFIG_IP_VS_NQ=m
 # IPVS application helper
 #
 CONFIG_IP_VS_FTP=m
-CONFIG_IPV6=m
-CONFIG_IPV6_PRIVACY=y
-# CONFIG_IPV6_ROUTER_PREF is not set
-# CONFIG_IPV6_OPTIMISTIC_DAD is not set
-CONFIG_INET6_AH=m
-CONFIG_INET6_ESP=m
-CONFIG_INET6_IPCOMP=m
-# CONFIG_IPV6_MIP6 is not set
-CONFIG_INET6_XFRM_TUNNEL=m
-CONFIG_INET6_TUNNEL=m
-CONFIG_INET6_XFRM_MODE_TRANSPORT=m
-CONFIG_INET6_XFRM_MODE_TUNNEL=m
-CONFIG_INET6_XFRM_MODE_BEET=m
-CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
-CONFIG_IPV6_SIT=m
-CONFIG_IPV6_TUNNEL=m
-# CONFIG_IPV6_MULTIPLE_TABLES is not set
-# CONFIG_NETLABEL is not set
-CONFIG_NETWORK_SECMARK=y
-CONFIG_NETFILTER=y
-# CONFIG_NETFILTER_DEBUG is not set
-CONFIG_BRIDGE_NETFILTER=y
-
-#
-# Core Netfilter Configuration
-#
-CONFIG_NETFILTER_NETLINK=m
-CONFIG_NETFILTER_NETLINK_QUEUE=m
-CONFIG_NETFILTER_NETLINK_LOG=m
-# CONFIG_NF_CONNTRACK_ENABLED is not set
-# CONFIG_NF_CONNTRACK is not set
-CONFIG_NETFILTER_XTABLES=m
-CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
-CONFIG_NETFILTER_XT_TARGET_DSCP=m
-CONFIG_NETFILTER_XT_TARGET_MARK=m
-CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
-# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set
-# CONFIG_NETFILTER_XT_TARGET_TRACE is not set
-CONFIG_NETFILTER_XT_TARGET_SECMARK=m
-# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set
-CONFIG_NETFILTER_XT_MATCH_COMMENT=m
-CONFIG_NETFILTER_XT_MATCH_DCCP=m
-CONFIG_NETFILTER_XT_MATCH_DSCP=m
-CONFIG_NETFILTER_XT_MATCH_ESP=m
-CONFIG_NETFILTER_XT_MATCH_LENGTH=m
-CONFIG_NETFILTER_XT_MATCH_LIMIT=m
-CONFIG_NETFILTER_XT_MATCH_MAC=m
-CONFIG_NETFILTER_XT_MATCH_MARK=m
-CONFIG_NETFILTER_XT_MATCH_POLICY=m
-CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
-CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
-CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
-CONFIG_NETFILTER_XT_MATCH_QUOTA=m
-CONFIG_NETFILTER_XT_MATCH_REALM=m
-CONFIG_NETFILTER_XT_MATCH_SCTP=m
-CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
-CONFIG_NETFILTER_XT_MATCH_STRING=m
-CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
-# CONFIG_NETFILTER_XT_MATCH_U32 is not set
-# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set
 
 #
 # IP: Netfilter Configuration
 #
+# CONFIG_NF_DEFRAG_IPV4 is not set
 CONFIG_IP_NF_QUEUE=m
 CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_AH=m
-CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_OWNER=m
 CONFIG_IP_NF_MATCH_ADDRTYPE=m
+CONFIG_IP_NF_MATCH_AH=m
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_TTL=m
 CONFIG_IP_NF_FILTER=m
 CONFIG_IP_NF_TARGET_REJECT=m
 CONFIG_IP_NF_TARGET_LOG=m
 CONFIG_IP_NF_TARGET_ULOG=m
 CONFIG_IP_NF_MANGLE=m
-CONFIG_IP_NF_TARGET_TOS=m
 CONFIG_IP_NF_TARGET_ECN=m
 CONFIG_IP_NF_TARGET_TTL=m
 CONFIG_IP_NF_RAW=m
@@ -439,34 +560,29 @@ CONFIG_IP_NF_ARPFILTER=m
 CONFIG_IP_NF_ARP_MANGLE=m
 
 #
-# IPv6: Netfilter Configuration (EXPERIMENTAL)
+# IPv6: Netfilter Configuration
 #
 CONFIG_IP6_NF_QUEUE=m
 CONFIG_IP6_NF_IPTABLES=m
-CONFIG_IP6_NF_MATCH_RT=m
-CONFIG_IP6_NF_MATCH_OPTS=m
-CONFIG_IP6_NF_MATCH_FRAG=m
-CONFIG_IP6_NF_MATCH_HL=m
-CONFIG_IP6_NF_MATCH_OWNER=m
-CONFIG_IP6_NF_MATCH_IPV6HEADER=m
 CONFIG_IP6_NF_MATCH_AH=m
-# CONFIG_IP6_NF_MATCH_MH is not set
 CONFIG_IP6_NF_MATCH_EUI64=m
-CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_OPTS=m
+CONFIG_IP6_NF_MATCH_HL=m
+CONFIG_IP6_NF_MATCH_IPV6HEADER=m
+# CONFIG_IP6_NF_MATCH_MH is not set
+CONFIG_IP6_NF_MATCH_RT=m
+CONFIG_IP6_NF_TARGET_HL=m
 CONFIG_IP6_NF_TARGET_LOG=m
+CONFIG_IP6_NF_FILTER=m
 CONFIG_IP6_NF_TARGET_REJECT=m
 CONFIG_IP6_NF_MANGLE=m
-CONFIG_IP6_NF_TARGET_HL=m
 CONFIG_IP6_NF_RAW=m
 
 #
 # DECnet: Netfilter Configuration
 #
 CONFIG_DECNET_NF_GRABULATOR=m
-
-#
-# Bridge: Netfilter Configuration
-#
 CONFIG_BRIDGE_NF_EBTABLES=m
 CONFIG_BRIDGE_EBT_BROUTE=m
 CONFIG_BRIDGE_EBT_T_FILTER=m
@@ -475,6 +591,7 @@ CONFIG_BRIDGE_EBT_802_3=m
 CONFIG_BRIDGE_EBT_AMONG=m
 CONFIG_BRIDGE_EBT_ARP=m
 CONFIG_BRIDGE_EBT_IP=m
+# CONFIG_BRIDGE_EBT_IP6 is not set
 CONFIG_BRIDGE_EBT_LIMIT=m
 CONFIG_BRIDGE_EBT_MARK=m
 CONFIG_BRIDGE_EBT_PKTTYPE=m
@@ -487,25 +604,25 @@ CONFIG_BRIDGE_EBT_REDIRECT=m
 CONFIG_BRIDGE_EBT_SNAT=m
 CONFIG_BRIDGE_EBT_LOG=m
 CONFIG_BRIDGE_EBT_ULOG=m
+# CONFIG_BRIDGE_EBT_NFLOG is not set
 CONFIG_IP_DCCP=m
 CONFIG_INET_DCCP_DIAG=m
-CONFIG_IP_DCCP_ACKVEC=y
 
 #
 # DCCP CCIDs Configuration (EXPERIMENTAL)
 #
-CONFIG_IP_DCCP_CCID2=m
 # CONFIG_IP_DCCP_CCID2_DEBUG is not set
-CONFIG_IP_DCCP_CCID3=m
-CONFIG_IP_DCCP_TFRC_LIB=m
+CONFIG_IP_DCCP_CCID3=y
 # CONFIG_IP_DCCP_CCID3_DEBUG is not set
 CONFIG_IP_DCCP_CCID3_RTO=100
+CONFIG_IP_DCCP_TFRC_LIB=y
 CONFIG_IP_SCTP=m
 # CONFIG_SCTP_DBG_MSG is not set
 # CONFIG_SCTP_DBG_OBJCNT is not set
 # CONFIG_SCTP_HMAC_NONE is not set
 # CONFIG_SCTP_HMAC_SHA1 is not set
 CONFIG_SCTP_HMAC_MD5=y
+# CONFIG_RDS is not set
 CONFIG_TIPC=m
 # CONFIG_TIPC_ADVANCED is not set
 # CONFIG_TIPC_DEBUG is not set
@@ -516,8 +633,12 @@ CONFIG_ATM_LANE=m
 CONFIG_ATM_MPOA=m
 CONFIG_ATM_BR2684=m
 # CONFIG_ATM_BR2684_IPFILTER is not set
+CONFIG_STP=m
 CONFIG_BRIDGE=m
+CONFIG_BRIDGE_IGMP_SNOOPING=y
+# CONFIG_NET_DSA is not set
 CONFIG_VLAN_8021Q=m
+# CONFIG_VLAN_8021Q_GVRP is not set
 CONFIG_DECNET=m
 # CONFIG_DECNET_ROUTER is not set
 CONFIG_LLC=y
@@ -535,12 +656,9 @@ CONFIG_ECONET=m
 CONFIG_ECONET_AUNUDP=y
 CONFIG_ECONET_NATIVE=y
 CONFIG_WAN_ROUTER=m
-
-#
-# QoS and/or fair queueing
-#
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 CONFIG_NET_SCHED=y
-CONFIG_NET_SCH_FIFO=y
 
 #
 # Queueing/Scheduling
@@ -550,7 +668,7 @@ CONFIG_NET_SCH_HTB=m
 CONFIG_NET_SCH_HFSC=m
 CONFIG_NET_SCH_ATM=m
 CONFIG_NET_SCH_PRIO=m
-# CONFIG_NET_SCH_RR is not set
+# CONFIG_NET_SCH_MULTIQ is not set
 CONFIG_NET_SCH_RED=m
 CONFIG_NET_SCH_SFQ=m
 CONFIG_NET_SCH_TEQL=m
@@ -558,6 +676,7 @@ CONFIG_NET_SCH_TBF=m
 CONFIG_NET_SCH_GRED=m
 CONFIG_NET_SCH_DSMARK=m
 CONFIG_NET_SCH_NETEM=m
+# CONFIG_NET_SCH_DRR is not set
 CONFIG_NET_SCH_INGRESS=m
 
 #
@@ -574,6 +693,7 @@ CONFIG_NET_CLS_U32=m
 CONFIG_CLS_U32_MARK=y
 CONFIG_NET_CLS_RSVP=m
 CONFIG_NET_CLS_RSVP6=m
+# CONFIG_NET_CLS_FLOW is not set
 CONFIG_NET_EMATCH=y
 CONFIG_NET_EMATCH_STACK=32
 CONFIG_NET_EMATCH_CMP=m
@@ -586,10 +706,13 @@ CONFIG_NET_ACT_POLICE=y
 # CONFIG_NET_ACT_GACT is not set
 # CONFIG_NET_ACT_MIRRED is not set
 # CONFIG_NET_ACT_IPT is not set
+# CONFIG_NET_ACT_NAT is not set
 # CONFIG_NET_ACT_PEDIT is not set
 # CONFIG_NET_ACT_SIMP is not set
-CONFIG_NET_CLS_POLICE=y
+# CONFIG_NET_ACT_SKBEDIT is not set
 # CONFIG_NET_CLS_IND is not set
+CONFIG_NET_SCH_FIFO=y
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -613,9 +736,8 @@ CONFIG_6PACK=m
 CONFIG_BPQETHER=m
 CONFIG_BAYCOM_SER_FDX=m
 CONFIG_BAYCOM_SER_HDX=m
-CONFIG_BAYCOM_PAR=m
-CONFIG_BAYCOM_EPP=m
 CONFIG_YAM=m
+# CONFIG_CAN is not set
 CONFIG_IRDA=m
 
 #
@@ -657,15 +779,8 @@ CONFIG_MCP2120_DONGLE=m
 CONFIG_OLD_BELKIN_DONGLE=m
 CONFIG_ACT200L_DONGLE=m
 # CONFIG_KINGSUN_DONGLE is not set
-
-#
-# Old SIR device drivers
-#
-# CONFIG_IRPORT_SIR is not set
-
-#
-# Old Serial dongle support
-#
+# CONFIG_KSDAZZLE_DONGLE is not set
+# CONFIG_KS959_DONGLE is not set
 
 #
 # FIR device drivers
@@ -683,17 +798,17 @@ CONFIG_BT_RFCOMM_TTY=y
 CONFIG_BT_BNEP=m
 CONFIG_BT_BNEP_MC_FILTER=y
 CONFIG_BT_BNEP_PROTO_FILTER=y
-CONFIG_BT_CMTP=m
 CONFIG_BT_HIDP=m
 
 #
 # Bluetooth device drivers
 #
-CONFIG_BT_HCIUSB=m
-CONFIG_BT_HCIUSB_SCO=y
+# CONFIG_BT_HCIBTUSB is not set
+# CONFIG_BT_HCIBTSDIO is not set
 CONFIG_BT_HCIUART=m
 CONFIG_BT_HCIUART_H4=y
 CONFIG_BT_HCIUART_BCSP=y
+# CONFIG_BT_HCIUART_LL is not set
 CONFIG_BT_HCIBCM203X=m
 CONFIG_BT_HCIBPA10X=m
 CONFIG_BT_HCIBFUSB=m
@@ -702,24 +817,19 @@ CONFIG_BT_HCIBT3C=m
 CONFIG_BT_HCIBLUECARD=m
 CONFIG_BT_HCIBTUART=m
 CONFIG_BT_HCIVHCI=m
+# CONFIG_BT_MRVL is not set
 CONFIG_AF_RXRPC=m
 # CONFIG_AF_RXRPC_DEBUG is not set
 # CONFIG_RXKAD is not set
 CONFIG_FIB_RULES=y
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_LIB80211 is not set
 
 #
-# Wireless
+# CFG80211 needs to be enabled for MAC80211
 #
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_EXT=y
-# CONFIG_MAC80211 is not set
-CONFIG_IEEE80211=m
-# CONFIG_IEEE80211_DEBUG is not set
-CONFIG_IEEE80211_CRYPT_WEP=m
-CONFIG_IEEE80211_CRYPT_CCMP=m
-CONFIG_IEEE80211_CRYPT_TKIP=m
-CONFIG_IEEE80211_SOFTMAC=m
-# CONFIG_IEEE80211_SOFTMAC_DEBUG is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -730,40 +840,43 @@ CONFIG_IEEE80211_SOFTMAC=m
 #
 # Generic Driver Options
 #
+CONFIG_UEVENT_HELPER_PATH=""
+# CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_SYS_HYPERVISOR is not set
 CONFIG_CONNECTOR=m
-CONFIG_MTD=m
+CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
-CONFIG_MTD_CONCAT=m
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
-CONFIG_MTD_REDBOOT_PARTS=m
-CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
-# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
-# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
 #
-CONFIG_MTD_CHAR=m
-CONFIG_MTD_BLKDEVS=m
-CONFIG_MTD_BLOCK=m
-CONFIG_MTD_BLOCK_RO=m
-CONFIG_FTL=m
-CONFIG_NFTL=m
-CONFIG_NFTL_RW=y
-CONFIG_INFTL=m
-CONFIG_RFD_FTL=m
-CONFIG_SSFDC=m
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
 #
-CONFIG_MTD_CFI=m
-CONFIG_MTD_JEDECPROBE=m
-CONFIG_MTD_GEN_PROBE=m
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
 # CONFIG_MTD_CFI_ADV_OPTIONS is not set
 CONFIG_MTD_MAP_BANK_WIDTH_1=y
 CONFIG_MTD_MAP_BANK_WIDTH_2=y
@@ -775,206 +888,81 @@ CONFIG_MTD_CFI_I1=y
 CONFIG_MTD_CFI_I2=y
 # CONFIG_MTD_CFI_I4 is not set
 # CONFIG_MTD_CFI_I8 is not set
-CONFIG_MTD_CFI_INTELEXT=m
-CONFIG_MTD_CFI_AMDSTD=m
-CONFIG_MTD_CFI_STAA=m
-CONFIG_MTD_CFI_UTIL=m
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
 CONFIG_MTD_RAM=m
-CONFIG_MTD_ROM=m
-CONFIG_MTD_ABSENT=m
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
 
 #
 # Mapping drivers for chip access
 #
 CONFIG_MTD_COMPLEX_MAPPINGS=y
-CONFIG_MTD_PHYSMAP=m
-CONFIG_MTD_PHYSMAP_START=0x8000000
-CONFIG_MTD_PHYSMAP_LEN=0x4000000
-CONFIG_MTD_PHYSMAP_BANKWIDTH=2
-# CONFIG_MTD_ALCHEMY is not set
-# CONFIG_MTD_MTX1 is not set
-CONFIG_MTD_PCI=m
-CONFIG_MTD_PLATRAM=m
+CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_PCI is not set
+# CONFIG_MTD_GPIO_ADDR is not set
+# CONFIG_MTD_INTEL_VR_NOR is not set
+# CONFIG_MTD_PLATRAM is not set
 
 #
 # Self-contained MTD device drivers
 #
-CONFIG_MTD_PMC551=m
-# CONFIG_MTD_PMC551_BUGFIX is not set
-# CONFIG_MTD_PMC551_DEBUG is not set
-CONFIG_MTD_DATAFLASH=m
-CONFIG_MTD_M25P80=m
-CONFIG_MTD_SLRAM=m
-CONFIG_MTD_PHRAM=m
-CONFIG_MTD_MTDRAM=m
-CONFIG_MTDRAM_TOTAL_SIZE=4096
-CONFIG_MTDRAM_ERASE_SIZE=128
-CONFIG_MTD_BLOCK2MTD=m
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
 
 #
 # Disk-On-Chip Device Drivers
 #
-CONFIG_MTD_DOC2000=m
-CONFIG_MTD_DOC2001=m
-CONFIG_MTD_DOC2001PLUS=m
-CONFIG_MTD_DOCPROBE=m
-CONFIG_MTD_DOCECC=m
-# CONFIG_MTD_DOCPROBE_ADVANCED is not set
-CONFIG_MTD_DOCPROBE_ADDRESS=0
-CONFIG_MTD_NAND=m
-# CONFIG_MTD_NAND_VERIFY_WRITE is not set
-# CONFIG_MTD_NAND_ECC_SMC is not set
-# CONFIG_MTD_NAND_MUSEUM_IDS is not set
-CONFIG_MTD_NAND_IDS=m
-CONFIG_MTD_NAND_DISKONCHIP=m
-# CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADVANCED is not set
-CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0
-# CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE is not set
-# CONFIG_MTD_NAND_CAFE is not set
-CONFIG_MTD_NAND_NANDSIM=m
-# CONFIG_MTD_NAND_PLATFORM is not set
-CONFIG_MTD_ONENAND=m
-CONFIG_MTD_ONENAND_VERIFY_WRITE=y
-# CONFIG_MTD_ONENAND_OTP is not set
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
 
 #
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
-CONFIG_PARPORT=m
-CONFIG_PARPORT_PC=m
-CONFIG_PARPORT_SERIAL=m
-CONFIG_PARPORT_PC_FIFO=y
-CONFIG_PARPORT_PC_SUPERIO=y
-CONFIG_PARPORT_PC_PCMCIA=m
-# CONFIG_PARPORT_GSC is not set
-CONFIG_PARPORT_AX88796=m
-CONFIG_PARPORT_1284=y
-CONFIG_PARPORT_NOT_PC=y
+# CONFIG_PARPORT is not set
 CONFIG_BLK_DEV=y
-CONFIG_PARIDE=m
-
-#
-# Parallel IDE high-level drivers
-#
-CONFIG_PARIDE_PD=m
-CONFIG_PARIDE_PCD=m
-CONFIG_PARIDE_PF=m
-CONFIG_PARIDE_PT=m
-CONFIG_PARIDE_PG=m
-
-#
-# Parallel IDE protocol modules
-#
-CONFIG_PARIDE_ATEN=m
-CONFIG_PARIDE_BPCK=m
-CONFIG_PARIDE_BPCK6=m
-CONFIG_PARIDE_COMM=m
-CONFIG_PARIDE_DSTR=m
-CONFIG_PARIDE_FIT2=m
-CONFIG_PARIDE_FIT3=m
-CONFIG_PARIDE_EPAT=m
-CONFIG_PARIDE_EPATC8=y
-CONFIG_PARIDE_EPIA=m
-CONFIG_PARIDE_FRIQ=m
-CONFIG_PARIDE_FRPW=m
-CONFIG_PARIDE_KBIC=m
-CONFIG_PARIDE_KTTI=m
-CONFIG_PARIDE_ON20=m
-CONFIG_PARIDE_ON26=m
-CONFIG_BLK_CPQ_DA=m
-CONFIG_BLK_CPQ_CISS_DA=m
-CONFIG_CISS_SCSI_TAPE=y
-CONFIG_BLK_DEV_DAC960=m
-CONFIG_BLK_DEV_UMEM=m
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
-CONFIG_BLK_DEV_LOOP=m
-CONFIG_BLK_DEV_CRYPTOLOOP=m
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_DRBD is not set
 CONFIG_BLK_DEV_NBD=m
-CONFIG_BLK_DEV_SX8=m
+# CONFIG_BLK_DEV_SX8 is not set
 # CONFIG_BLK_DEV_UB is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=65536
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
-CONFIG_CDROM_PKTCDVD=m
-CONFIG_CDROM_PKTCDVD_BUFFERS=8
-# CONFIG_CDROM_PKTCDVD_WCACHE is not set
-CONFIG_ATA_OVER_ETH=m
-CONFIG_MISC_DEVICES=y
-# CONFIG_PHANTOM is not set
-# CONFIG_EEPROM_93CX6 is not set
-CONFIG_SGI_IOC4=m
-CONFIG_TIFM_CORE=m
-CONFIG_TIFM_7XX1=m
-CONFIG_IDE=y
-CONFIG_IDE_MAX_HWIFS=4
-CONFIG_BLK_DEV_IDE=y
-
-#
-# Please see Documentation/ide.txt for help/info on IDE drives
-#
-# CONFIG_BLK_DEV_IDE_SATA is not set
-CONFIG_BLK_DEV_IDEDISK=m
-# CONFIG_IDEDISK_MULTI_MODE is not set
-CONFIG_BLK_DEV_IDECS=m
-# CONFIG_BLK_DEV_DELKIN is not set
-CONFIG_BLK_DEV_IDECD=m
-CONFIG_BLK_DEV_IDETAPE=m
-CONFIG_BLK_DEV_IDEFLOPPY=m
-CONFIG_BLK_DEV_IDESCSI=m
-# CONFIG_IDE_TASK_IOCTL is not set
-CONFIG_IDE_PROC_FS=y
-
-#
-# IDE chipset support/bugfixes
-#
-CONFIG_IDE_GENERIC=m
-CONFIG_BLK_DEV_IDEPCI=y
-CONFIG_IDEPCI_SHARE_IRQ=y
-CONFIG_IDEPCI_PCIBUS_ORDER=y
-# CONFIG_BLK_DEV_OFFBOARD is not set
-CONFIG_BLK_DEV_GENERIC=m
-CONFIG_BLK_DEV_OPTI621=m
-CONFIG_BLK_DEV_IDEDMA_PCI=y
-# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
-# CONFIG_IDEDMA_ONLYDISK is not set
-CONFIG_BLK_DEV_AEC62XX=m
-CONFIG_BLK_DEV_ALI15X3=m
-# CONFIG_WDC_ALI15X3 is not set
-CONFIG_BLK_DEV_AMD74XX=m
-CONFIG_BLK_DEV_CMD64X=m
-CONFIG_BLK_DEV_TRIFLEX=m
-CONFIG_BLK_DEV_CY82C693=m
-# CONFIG_BLK_DEV_CS5520 is not set
-CONFIG_BLK_DEV_CS5530=m
-CONFIG_BLK_DEV_HPT34X=m
-# CONFIG_HPT34X_AUTODMA is not set
-CONFIG_BLK_DEV_HPT366=m
-# CONFIG_BLK_DEV_JMICRON is not set
-CONFIG_BLK_DEV_SC1200=m
-CONFIG_BLK_DEV_PIIX=m
-# CONFIG_BLK_DEV_IT8213 is not set
-CONFIG_BLK_DEV_IT821X=m
-CONFIG_BLK_DEV_NS87415=m
-CONFIG_BLK_DEV_PDC202XX_OLD=m
-CONFIG_PDC202XX_BURST=y
-CONFIG_BLK_DEV_PDC202XX_NEW=m
-CONFIG_BLK_DEV_SVWKS=m
-CONFIG_BLK_DEV_SIIMAGE=m
-# CONFIG_BLK_DEV_SLC90E66 is not set
-CONFIG_BLK_DEV_TRM290=m
-# CONFIG_BLK_DEV_VIA82CXXX is not set
-# CONFIG_BLK_DEV_TC86C001 is not set
-# CONFIG_IDE_ARM is not set
-CONFIG_BLK_DEV_IDEDMA=y
-# CONFIG_IDEDMA_IVB is not set
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_TIFM_CORE=m
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
 
 #
 # SCSI device support
 #
-CONFIG_RAID_ATTRS=m
+CONFIG_SCSI_MOD=m
+# CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=m
 CONFIG_SCSI_DMA=y
 # CONFIG_SCSI_TGT is not set
@@ -985,18 +973,13 @@ CONFIG_SCSI_PROC_FS=y
 # SCSI support type (disk, tape, CD-ROM)
 #
 CONFIG_BLK_DEV_SD=m
-CONFIG_CHR_DEV_ST=m
-CONFIG_CHR_DEV_OSST=m
-CONFIG_BLK_DEV_SR=m
-# CONFIG_BLK_DEV_SR_VENDOR is not set
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
 CONFIG_CHR_DEV_SG=m
-CONFIG_CHR_DEV_SCH=m
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
+# CONFIG_CHR_DEV_SCH is not set
 CONFIG_SCSI_MULTI_LUN=y
-CONFIG_SCSI_CONSTANTS=y
+# CONFIG_SCSI_CONSTANTS is not set
 CONFIG_SCSI_LOGGING=y
 # CONFIG_SCSI_SCAN_ASYNC is not set
 CONFIG_SCSI_WAIT_SCAN=m
@@ -1009,198 +992,39 @@ CONFIG_SCSI_FC_ATTRS=m
 CONFIG_SCSI_ISCSI_ATTRS=m
 CONFIG_SCSI_SAS_ATTRS=m
 CONFIG_SCSI_SAS_LIBSAS=m
-# CONFIG_SCSI_SAS_ATA is not set
+CONFIG_SCSI_SAS_HOST_SMP=y
 # CONFIG_SCSI_SAS_LIBSAS_DEBUG is not set
-CONFIG_SCSI_LOWLEVEL=y
-CONFIG_ISCSI_TCP=m
-CONFIG_BLK_DEV_3W_XXXX_RAID=m
-CONFIG_SCSI_3W_9XXX=m
-CONFIG_SCSI_ACARD=m
-CONFIG_SCSI_AACRAID=m
-CONFIG_SCSI_AIC7XXX=m
-CONFIG_AIC7XXX_CMDS_PER_DEVICE=8
-CONFIG_AIC7XXX_RESET_DELAY_MS=15000
-CONFIG_AIC7XXX_DEBUG_ENABLE=y
-CONFIG_AIC7XXX_DEBUG_MASK=0
-CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
-# CONFIG_SCSI_AIC7XXX_OLD is not set
-CONFIG_SCSI_AIC79XX=m
-CONFIG_AIC79XX_CMDS_PER_DEVICE=32
-CONFIG_AIC79XX_RESET_DELAY_MS=15000
-CONFIG_AIC79XX_DEBUG_ENABLE=y
-CONFIG_AIC79XX_DEBUG_MASK=0
-CONFIG_AIC79XX_REG_PRETTY_PRINT=y
-CONFIG_SCSI_AIC94XX=m
-# CONFIG_AIC94XX_DEBUG is not set
-CONFIG_SCSI_DPT_I2O=m
-CONFIG_SCSI_ARCMSR=m
-CONFIG_MEGARAID_NEWGEN=y
-CONFIG_MEGARAID_MM=m
-CONFIG_MEGARAID_MAILBOX=m
-CONFIG_MEGARAID_LEGACY=m
-CONFIG_MEGARAID_SAS=m
-CONFIG_SCSI_HPTIOP=m
-CONFIG_SCSI_DMX3191D=m
-CONFIG_SCSI_FUTURE_DOMAIN=m
-CONFIG_SCSI_IPS=m
-CONFIG_SCSI_INITIO=m
-# CONFIG_SCSI_INIA100 is not set
-CONFIG_SCSI_PPA=m
-CONFIG_SCSI_IMM=m
-# CONFIG_SCSI_IZIP_EPP16 is not set
-# CONFIG_SCSI_IZIP_SLOW_CTR is not set
-CONFIG_SCSI_STEX=m
-CONFIG_SCSI_SYM53C8XX_2=m
-CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
-CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
-CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
-CONFIG_SCSI_SYM53C8XX_MMIO=y
-CONFIG_SCSI_IPR=m
-# CONFIG_SCSI_IPR_TRACE is not set
-# CONFIG_SCSI_IPR_DUMP is not set
-CONFIG_SCSI_QLOGIC_1280=m
-CONFIG_SCSI_QLA_FC=m
-CONFIG_SCSI_QLA_ISCSI=m
-CONFIG_SCSI_LPFC=m
-CONFIG_SCSI_DC395x=m
-CONFIG_SCSI_DC390T=m
-CONFIG_SCSI_NSP32=m
-CONFIG_SCSI_DEBUG=m
-# CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+# CONFIG_SCSI_LOWLEVEL is not set
 # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
-CONFIG_ATA=m
-# CONFIG_ATA_NONSTANDARD is not set
-CONFIG_SATA_AHCI=m
-CONFIG_SATA_SVW=m
-CONFIG_ATA_PIIX=m
-CONFIG_SATA_MV=m
-CONFIG_SATA_NV=m
-CONFIG_PDC_ADMA=m
-CONFIG_SATA_QSTOR=m
-CONFIG_SATA_PROMISE=m
-CONFIG_SATA_SX4=m
-CONFIG_SATA_SIL=m
-CONFIG_SATA_SIL24=m
-CONFIG_SATA_SIS=m
-CONFIG_SATA_ULI=m
-CONFIG_SATA_VIA=m
-CONFIG_SATA_VITESSE=m
-# CONFIG_SATA_INIC162X is not set
-# CONFIG_PATA_ALI is not set
-# CONFIG_PATA_AMD is not set
-# CONFIG_PATA_ARTOP is not set
-# CONFIG_PATA_ATIIXP is not set
-# CONFIG_PATA_CMD640_PCI is not set
-# CONFIG_PATA_CMD64X is not set
-CONFIG_PATA_CS5520=m
-# CONFIG_PATA_CS5530 is not set
-# CONFIG_PATA_CYPRESS is not set
-CONFIG_PATA_EFAR=m
-CONFIG_ATA_GENERIC=m
-# CONFIG_PATA_HPT366 is not set
-# CONFIG_PATA_HPT37X is not set
-# CONFIG_PATA_HPT3X2N is not set
-# CONFIG_PATA_HPT3X3 is not set
-# CONFIG_PATA_IT821X is not set
-# CONFIG_PATA_IT8213 is not set
-CONFIG_PATA_JMICRON=m
-CONFIG_PATA_TRIFLEX=m
-# CONFIG_PATA_MARVELL is not set
-CONFIG_PATA_MPIIX=m
-# CONFIG_PATA_OLDPIIX is not set
-CONFIG_PATA_NETCELL=m
-# CONFIG_PATA_NS87410 is not set
-# CONFIG_PATA_OPTI is not set
-# CONFIG_PATA_OPTIDMA is not set
-CONFIG_PATA_PCMCIA=m
-# CONFIG_PATA_PDC_OLD is not set
-# CONFIG_PATA_RADISYS is not set
-CONFIG_PATA_RZ1000=m
-# CONFIG_PATA_SC1200 is not set
-# CONFIG_PATA_SERVERWORKS is not set
-CONFIG_PATA_PDC2027X=m
-CONFIG_PATA_SIL680=m
-CONFIG_PATA_SIS=m
-CONFIG_PATA_VIA=m
-CONFIG_PATA_WINBOND=m
-# CONFIG_PATA_PLATFORM is not set
-CONFIG_MD=y
-CONFIG_BLK_DEV_MD=m
-CONFIG_MD_LINEAR=m
-CONFIG_MD_RAID0=m
-CONFIG_MD_RAID1=m
-CONFIG_MD_RAID10=m
-CONFIG_MD_RAID456=m
-# CONFIG_MD_RAID5_RESHAPE is not set
-CONFIG_MD_MULTIPATH=m
-CONFIG_MD_FAULTY=m
-CONFIG_BLK_DEV_DM=m
-# CONFIG_DM_DEBUG is not set
-CONFIG_DM_CRYPT=m
-CONFIG_DM_SNAPSHOT=m
-CONFIG_DM_MIRROR=m
-CONFIG_DM_ZERO=m
-CONFIG_DM_MULTIPATH=m
-CONFIG_DM_MULTIPATH_EMC=m
-# CONFIG_DM_MULTIPATH_RDAC is not set
-# CONFIG_DM_DELAY is not set
-
-#
-# Fusion MPT device support
-#
-CONFIG_FUSION=y
-CONFIG_FUSION_SPI=m
-CONFIG_FUSION_FC=m
-CONFIG_FUSION_SAS=m
-CONFIG_FUSION_MAX_SGE=128
-CONFIG_FUSION_CTL=m
-CONFIG_FUSION_LAN=m
-# CONFIG_FUSION_LOGGING is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_FUSION is not set
 
 #
 # IEEE 1394 (FireWire) support
 #
+
+#
+# You can enable one or both FireWire driver stacks.
+#
+
+#
+# The newer stack is recommended.
+#
 # CONFIG_FIREWIRE is not set
-CONFIG_IEEE1394=m
-
-#
-# Subsystem Options
-#
-# CONFIG_IEEE1394_VERBOSEDEBUG is not set
-
-#
-# Controllers
-#
-CONFIG_IEEE1394_PCILYNX=m
-CONFIG_IEEE1394_OHCI1394=m
-
-#
-# Protocols
-#
-CONFIG_IEEE1394_VIDEO1394=m
-CONFIG_IEEE1394_SBP2=m
-# CONFIG_IEEE1394_SBP2_PHYS_DMA is not set
-CONFIG_IEEE1394_ETH1394_ROM_ENTRY=y
-CONFIG_IEEE1394_ETH1394=m
-CONFIG_IEEE1394_DV1394=m
-CONFIG_IEEE1394_RAWIO=m
-CONFIG_I2O=m
-CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=y
-CONFIG_I2O_EXT_ADAPTEC=y
-CONFIG_I2O_CONFIG=m
-CONFIG_I2O_CONFIG_OLD_IOCTL=y
-CONFIG_I2O_BUS=m
-CONFIG_I2O_BLOCK=m
-CONFIG_I2O_SCSI=m
-CONFIG_I2O_PROC=m
+# CONFIG_IEEE1394 is not set
+# CONFIG_I2O is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_IFB is not set
 CONFIG_DUMMY=m
 CONFIG_BONDING=m
 # CONFIG_MACVLAN is not set
 CONFIG_EQUALIZER=m
 CONFIG_TUN=m
+# CONFIG_VETH is not set
 CONFIG_ARCNET=m
 CONFIG_ARCNET_1201=m
 CONFIG_ARCNET_1051=m
@@ -1225,9 +1049,11 @@ CONFIG_VITESSE_PHY=m
 CONFIG_SMSC_PHY=m
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
-CONFIG_FIXED_PHY=m
-# CONFIG_FIXED_MII_10_FDX is not set
-# CONFIG_FIXED_MII_100_FDX is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=m
 # CONFIG_AX88796 is not set
@@ -1240,8 +1066,12 @@ CONFIG_VORTEX=m
 CONFIG_TYPHOON=m
 # CONFIG_SMC91X is not set
 # CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
 CONFIG_NET_TULIP=y
 CONFIG_DE2104X=m
+CONFIG_DE2104X_DSL=0
 CONFIG_TULIP=m
 # CONFIG_TULIP_MWI is not set
 # CONFIG_TULIP_MMIO is not set
@@ -1251,21 +1081,26 @@ CONFIG_WINBOND_840=m
 CONFIG_DM9102=m
 CONFIG_ULI526X=m
 CONFIG_PCMCIA_XIRCOM=m
-# CONFIG_PCMCIA_XIRTULIP is not set
 CONFIG_HP100=m
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 CONFIG_PCNET32=m
-# CONFIG_PCNET32_NAPI is not set
 CONFIG_AMD8111_ETH=m
-# CONFIG_AMD8111E_NAPI is not set
 CONFIG_ADAPTEC_STARFIRE=m
-# CONFIG_ADAPTEC_STARFIRE_NAPI is not set
+# CONFIG_KSZ884X_PCI is not set
 CONFIG_B44=m
+CONFIG_B44_PCI_AUTOSELECT=y
+CONFIG_B44_PCICORE_AUTOSELECT=y
+CONFIG_B44_PCI=y
 CONFIG_FORCEDETH=m
 # CONFIG_FORCEDETH_NAPI is not set
 # CONFIG_TC35815 is not set
-CONFIG_DGRS=m
-CONFIG_EEPRO100=m
 CONFIG_E100=m
 CONFIG_FEALNX=m
 CONFIG_NATSEMI=m
@@ -1276,52 +1111,71 @@ CONFIG_8139TOO=m
 # CONFIG_8139TOO_TUNE_TWISTER is not set
 CONFIG_8139TOO_8129=y
 # CONFIG_8139_OLD_RX_RESET is not set
+# CONFIG_R6040 is not set
 CONFIG_SIS900=m
 CONFIG_EPIC100=m
+# CONFIG_SMSC9420 is not set
 CONFIG_SUNDANCE=m
 # CONFIG_SUNDANCE_MMIO is not set
 CONFIG_TLAN=m
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
 CONFIG_VIA_RHINE=m
 # CONFIG_VIA_RHINE_MMIO is not set
-# CONFIG_VIA_RHINE_NAPI is not set
 # CONFIG_SC92031 is not set
-CONFIG_NET_POCKET=y
-CONFIG_DE600=m
-CONFIG_DE620=m
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 CONFIG_ACENIC=m
 # CONFIG_ACENIC_OMIT_TIGON_I is not set
 CONFIG_DL2K=m
 CONFIG_E1000=m
-# CONFIG_E1000_NAPI is not set
-# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
+# CONFIG_E1000E is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
+# CONFIG_IGBVF is not set
 CONFIG_NS83820=m
 CONFIG_HAMACHI=m
 CONFIG_YELLOWFIN=m
 CONFIG_R8169=m
-# CONFIG_R8169_NAPI is not set
 CONFIG_R8169_VLAN=y
 CONFIG_SIS190=m
 CONFIG_SKGE=m
+# CONFIG_SKGE_DEBUG is not set
 CONFIG_SKY2=m
-CONFIG_SK98LIN=m
+# CONFIG_SKY2_DEBUG is not set
 CONFIG_VIA_VELOCITY=m
 CONFIG_TIGON3=m
 CONFIG_BNX2=m
+# CONFIG_CNIC is not set
 CONFIG_QLA3XXX=m
 # CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
+# CONFIG_ATL1C is not set
+# CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
+CONFIG_MDIO=m
 CONFIG_CHELSIO_T1=m
 # CONFIG_CHELSIO_T1_1G is not set
-CONFIG_CHELSIO_T1_NAPI=y
+CONFIG_CHELSIO_T3_DEPENDS=y
 # CONFIG_CHELSIO_T3 is not set
+CONFIG_CHELSIO_T4_DEPENDS=y
+# CONFIG_CHELSIO_T4 is not set
+# CONFIG_ENIC is not set
+# CONFIG_IXGBE is not set
 CONFIG_IXGB=m
-# CONFIG_IXGB_NAPI is not set
 CONFIG_S2IO=m
-# CONFIG_S2IO_NAPI is not set
+# CONFIG_VXGE is not set
 CONFIG_MYRI10GE=m
 # CONFIG_NETXEN_NIC is not set
+# CONFIG_NIU is not set
+# CONFIG_MLX4_EN is not set
 # CONFIG_MLX4_CORE is not set
+# CONFIG_TEHUTI is not set
+# CONFIG_BNX2X is not set
+# CONFIG_QLCNIC is not set
+# CONFIG_QLGE is not set
+# CONFIG_SFC is not set
+# CONFIG_BE2NET is not set
 CONFIG_TR=y
 CONFIG_IBMOL=m
 CONFIG_IBMLS=m
@@ -1329,12 +1183,18 @@ CONFIG_3C359=m
 CONFIG_TMS380TR=m
 CONFIG_TMSPCI=m
 CONFIG_ABYSS=m
+CONFIG_WLAN=y
+# CONFIG_PCMCIA_RAYCS is not set
+# CONFIG_ATMEL is not set
+# CONFIG_AIRO_CS is not set
+# CONFIG_PCMCIA_WL3501 is not set
+# CONFIG_PRISM54 is not set
+# CONFIG_USB_ZD1201 is not set
+# CONFIG_HOSTAP is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
 
 #
 # USB Network Adapters
@@ -1343,11 +1203,13 @@ CONFIG_USB_CATC=m
 CONFIG_USB_KAWETH=m
 CONFIG_USB_PEGASUS=m
 CONFIG_USB_RTL8150=m
-CONFIG_USB_USBNET_MII=m
 CONFIG_USB_USBNET=m
 CONFIG_USB_NET_AX8817X=m
 CONFIG_USB_NET_CDCETHER=m
+# CONFIG_USB_NET_CDC_EEM is not set
 # CONFIG_USB_NET_DM9601 is not set
+# CONFIG_USB_NET_SMSC75XX is not set
+# CONFIG_USB_NET_SMSC95XX is not set
 CONFIG_USB_NET_GL620A=m
 CONFIG_USB_NET_NET1080=m
 CONFIG_USB_NET_PLUSB=m
@@ -1361,6 +1223,9 @@ CONFIG_USB_ARMLINUX=y
 CONFIG_USB_EPSON2888=y
 # CONFIG_USB_KC2190 is not set
 CONFIG_USB_NET_ZAURUS=m
+# CONFIG_USB_NET_INT51X1 is not set
+# CONFIG_USB_IPHETH is not set
+CONFIG_USB_SIERRA_NET=m
 CONFIG_NET_PCMCIA=y
 CONFIG_PCMCIA_3C589=m
 CONFIG_PCMCIA_3C574=m
@@ -1383,16 +1248,6 @@ CONFIG_HDLC_PPP=m
 CONFIG_HDLC_X25=m
 CONFIG_PCI200SYN=m
 CONFIG_WANXL=m
-CONFIG_PC300=m
-CONFIG_PC300_MLPPP=y
-
-#
-# Cyclades-PC300 MLPPP support is disabled.
-#
-
-#
-# Refer to the file README.mlppp, provided by PC300 package.
-#
 # CONFIG_PC300TOO is not set
 CONFIG_FARSYNC=m
 CONFIG_DSCC4=m
@@ -1428,15 +1283,13 @@ CONFIG_ATM_HORIZON=m
 # CONFIG_ATM_HORIZON_DEBUG is not set
 CONFIG_ATM_IA=m
 # CONFIG_ATM_IA_DEBUG is not set
-CONFIG_ATM_FORE200E_MAYBE=m
-CONFIG_ATM_FORE200E_PCA=y
-CONFIG_ATM_FORE200E_PCA_DEFAULT_FW=y
+CONFIG_ATM_FORE200E=m
 # CONFIG_ATM_FORE200E_USE_TASKLET is not set
 CONFIG_ATM_FORE200E_TX_RETRY=16
 CONFIG_ATM_FORE200E_DEBUG=0
-CONFIG_ATM_FORE200E=m
 CONFIG_ATM_HE=m
 CONFIG_ATM_HE_USE_SUNI=y
+# CONFIG_ATM_SOLOS is not set
 CONFIG_FDDI=y
 CONFIG_DEFXX=m
 # CONFIG_DEFXX_MMIO is not set
@@ -1444,7 +1297,6 @@ CONFIG_SKFP=m
 CONFIG_HIPPI=y
 CONFIG_ROADRUNNER=m
 # CONFIG_ROADRUNNER_LARGE_RINGS is not set
-CONFIG_PLIP=m
 CONFIG_PPP=m
 CONFIG_PPP_MULTILINK=y
 CONFIG_PPP_FILTER=y
@@ -1462,219 +1314,53 @@ CONFIG_SLHC=m
 CONFIG_SLIP_SMART=y
 CONFIG_SLIP_MODE_SLIP6=y
 CONFIG_NET_FC=y
-CONFIG_SHAPER=m
 CONFIG_NETCONSOLE=m
+# CONFIG_NETCONSOLE_DYNAMIC is not set
 CONFIG_NETPOLL=y
 # CONFIG_NETPOLL_TRAP is not set
 CONFIG_NET_POLL_CONTROLLER=y
-CONFIG_ISDN=m
-CONFIG_ISDN_I4L=m
-CONFIG_ISDN_PPP=y
-CONFIG_ISDN_PPP_VJ=y
-CONFIG_ISDN_MPP=y
-CONFIG_IPPP_FILTER=y
-CONFIG_ISDN_PPP_BSDCOMP=m
-CONFIG_ISDN_AUDIO=y
-CONFIG_ISDN_TTY_FAX=y
-CONFIG_ISDN_X25=y
-
-#
-# ISDN feature submodules
-#
-# CONFIG_ISDN_DRV_LOOP is not set
-CONFIG_ISDN_DIVERSION=m
-
-#
-# ISDN4Linux hardware drivers
-#
-
-#
-# Passive cards
-#
-CONFIG_ISDN_DRV_HISAX=m
-
-#
-# D-channel protocol features
-#
-CONFIG_HISAX_EURO=y
-CONFIG_DE_AOC=y
-# CONFIG_HISAX_NO_SENDCOMPLETE is not set
-# CONFIG_HISAX_NO_LLC is not set
-# CONFIG_HISAX_NO_KEYPAD is not set
-CONFIG_HISAX_1TR6=y
-CONFIG_HISAX_NI1=y
-CONFIG_HISAX_MAX_CARDS=8
-
-#
-# HiSax supported cards
-#
-CONFIG_HISAX_16_3=y
-CONFIG_HISAX_TELESPCI=y
-CONFIG_HISAX_S0BOX=y
-CONFIG_HISAX_FRITZPCI=y
-CONFIG_HISAX_AVM_A1_PCMCIA=y
-CONFIG_HISAX_ELSA=y
-CONFIG_HISAX_DIEHLDIVA=y
-CONFIG_HISAX_SEDLBAUER=y
-CONFIG_HISAX_NETJET=y
-CONFIG_HISAX_NETJET_U=y
-CONFIG_HISAX_NICCY=y
-CONFIG_HISAX_BKM_A4T=y
-CONFIG_HISAX_SCT_QUADRO=y
-CONFIG_HISAX_GAZEL=y
-CONFIG_HISAX_HFC_PCI=y
-CONFIG_HISAX_W6692=y
-CONFIG_HISAX_HFC_SX=y
-CONFIG_HISAX_ENTERNOW_PCI=y
-# CONFIG_HISAX_DEBUG is not set
-
-#
-# HiSax PCMCIA card service modules
-#
-CONFIG_HISAX_SEDLBAUER_CS=m
-CONFIG_HISAX_ELSA_CS=m
-CONFIG_HISAX_AVM_A1_CS=m
-CONFIG_HISAX_TELES_CS=m
-
-#
-# HiSax sub driver modules
-#
-CONFIG_HISAX_ST5481=m
-CONFIG_HISAX_HFCUSB=m
-CONFIG_HISAX_HFC4S8S=m
-CONFIG_HISAX_FRITZ_PCIPNP=m
-CONFIG_HISAX_HDLC=y
-
-#
-# Active cards
-#
-# CONFIG_HYSDN is not set
-CONFIG_ISDN_DRV_GIGASET=m
-CONFIG_GIGASET_BASE=m
-CONFIG_GIGASET_M105=m
-# CONFIG_GIGASET_M101 is not set
-# CONFIG_GIGASET_DEBUG is not set
-# CONFIG_GIGASET_UNDOCREQ is not set
-CONFIG_ISDN_CAPI=m
-CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON=y
-CONFIG_CAPI_TRACE=y
-CONFIG_ISDN_CAPI_MIDDLEWARE=y
-CONFIG_ISDN_CAPI_CAPI20=m
-CONFIG_ISDN_CAPI_CAPIFS_BOOL=y
-CONFIG_ISDN_CAPI_CAPIFS=m
-CONFIG_ISDN_CAPI_CAPIDRV=m
-
-#
-# CAPI hardware drivers
-#
-CONFIG_CAPI_AVM=y
-CONFIG_ISDN_DRV_AVMB1_B1PCI=m
-CONFIG_ISDN_DRV_AVMB1_B1PCIV4=y
-CONFIG_ISDN_DRV_AVMB1_B1PCMCIA=m
-CONFIG_ISDN_DRV_AVMB1_AVM_CS=m
-CONFIG_ISDN_DRV_AVMB1_T1PCI=m
-CONFIG_ISDN_DRV_AVMB1_C4=m
-CONFIG_CAPI_EICON=y
-CONFIG_ISDN_DIVAS=m
-CONFIG_ISDN_DIVAS_BRIPCI=y
-CONFIG_ISDN_DIVAS_PRIPCI=y
-CONFIG_ISDN_DIVAS_DIVACAPI=m
-CONFIG_ISDN_DIVAS_USERIDI=m
-CONFIG_ISDN_DIVAS_MAINT=m
-CONFIG_PHONE=m
-CONFIG_PHONE_IXJ=m
-CONFIG_PHONE_IXJ_PCMCIA=m
+# CONFIG_VMXNET3 is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
 
 #
 # Input device support
 #
 CONFIG_INPUT=y
-CONFIG_INPUT_FF_MEMLESS=m
+# CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
 #
-CONFIG_INPUT_MOUSEDEV=y
-CONFIG_INPUT_MOUSEDEV_PSAUX=y
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
-CONFIG_INPUT_JOYDEV=m
-CONFIG_INPUT_TSDEV=m
-CONFIG_INPUT_TSDEV_SCREEN_X=240
-CONFIG_INPUT_TSDEV_SCREEN_Y=320
-CONFIG_INPUT_EVDEV=m
-CONFIG_INPUT_EVBUG=m
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
 
 #
 # Input Device Drivers
 #
 CONFIG_INPUT_KEYBOARD=y
-CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_QT2160 is not set
+# CONFIG_KEYBOARD_LKKBD is not set
 CONFIG_KEYBOARD_GPIO=y
-CONFIG_KEYBOARD_SUNKBD=m
-CONFIG_KEYBOARD_LKKBD=m
-CONFIG_KEYBOARD_XTKBD=m
-CONFIG_KEYBOARD_NEWTON=m
-CONFIG_KEYBOARD_STOWAWAY=m
-CONFIG_INPUT_MOUSE=y
-CONFIG_MOUSE_PS2=m
-CONFIG_MOUSE_PS2_ALPS=y
-CONFIG_MOUSE_PS2_LOGIPS2PP=y
-CONFIG_MOUSE_PS2_SYNAPTICS=y
-CONFIG_MOUSE_PS2_LIFEBOOK=y
-CONFIG_MOUSE_PS2_TRACKPOINT=y
-# CONFIG_MOUSE_PS2_TOUCHKIT is not set
-CONFIG_MOUSE_SERIAL=m
-# CONFIG_MOUSE_APPLETOUCH is not set
-CONFIG_MOUSE_VSXXXAA=m
-CONFIG_INPUT_JOYSTICK=y
-CONFIG_JOYSTICK_ANALOG=m
-CONFIG_JOYSTICK_A3D=m
-CONFIG_JOYSTICK_ADI=m
-CONFIG_JOYSTICK_COBRA=m
-CONFIG_JOYSTICK_GF2K=m
-CONFIG_JOYSTICK_GRIP=m
-CONFIG_JOYSTICK_GRIP_MP=m
-CONFIG_JOYSTICK_GUILLEMOT=m
-CONFIG_JOYSTICK_INTERACT=m
-CONFIG_JOYSTICK_SIDEWINDER=m
-CONFIG_JOYSTICK_TMDC=m
-CONFIG_JOYSTICK_IFORCE=m
-CONFIG_JOYSTICK_IFORCE_USB=y
-CONFIG_JOYSTICK_IFORCE_232=y
-CONFIG_JOYSTICK_WARRIOR=m
-CONFIG_JOYSTICK_MAGELLAN=m
-CONFIG_JOYSTICK_SPACEORB=m
-CONFIG_JOYSTICK_SPACEBALL=m
-CONFIG_JOYSTICK_STINGER=m
-CONFIG_JOYSTICK_TWIDJOY=m
-CONFIG_JOYSTICK_DB9=m
-CONFIG_JOYSTICK_GAMECON=m
-CONFIG_JOYSTICK_TURBOGRAFX=m
-CONFIG_JOYSTICK_JOYDUMP=m
-# CONFIG_JOYSTICK_XPAD is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_LM8323 is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
-CONFIG_INPUT_TOUCHSCREEN=y
-CONFIG_TOUCHSCREEN_ADS7846=m
-# CONFIG_TOUCHSCREEN_FUJITSU is not set
-CONFIG_TOUCHSCREEN_GUNZE=m
-CONFIG_TOUCHSCREEN_ELO=m
-CONFIG_TOUCHSCREEN_MTOUCH=m
-CONFIG_TOUCHSCREEN_MK712=m
-CONFIG_TOUCHSCREEN_PENMOUNT=m
-CONFIG_TOUCHSCREEN_TOUCHRIGHT=m
-CONFIG_TOUCHSCREEN_TOUCHWIN=m
-# CONFIG_TOUCHSCREEN_UCB1400 is not set
-# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
-CONFIG_INPUT_MISC=y
-CONFIG_INPUT_PCSPKR=m
-# CONFIG_INPUT_ATI_REMOTE is not set
-# CONFIG_INPUT_ATI_REMOTE2 is not set
-# CONFIG_INPUT_KEYSPAN_REMOTE is not set
-# CONFIG_INPUT_POWERMATE is not set
-# CONFIG_INPUT_YEALINK is not set
-CONFIG_INPUT_UINPUT=m
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
 
 #
 # Hardware I/O ports
@@ -1682,10 +1368,10 @@ CONFIG_INPUT_UINPUT=m
 CONFIG_SERIO=y
 CONFIG_SERIO_I8042=y
 CONFIG_SERIO_SERPORT=m
-CONFIG_SERIO_PARKBD=m
 CONFIG_SERIO_PCIPS2=m
 CONFIG_SERIO_LIBPS2=y
 CONFIG_SERIO_RAW=m
+# CONFIG_SERIO_ALTERA_PS2 is not set
 CONFIG_GAMEPORT=m
 CONFIG_GAMEPORT_NS558=m
 CONFIG_GAMEPORT_L4=m
@@ -1696,30 +1382,13 @@ CONFIG_GAMEPORT_FM801=m
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
-CONFIG_SERIAL_NONSTANDARD=y
-# CONFIG_COMPUTONE is not set
-CONFIG_ROCKETPORT=m
-CONFIG_CYCLADES=m
-# CONFIG_CYZ_INTR is not set
-CONFIG_DIGIEPCA=m
-# CONFIG_MOXA_INTELLIO is not set
-CONFIG_MOXA_SMARTIO=m
-# CONFIG_MOXA_SMARTIO_NEW is not set
-# CONFIG_ISI is not set
-CONFIG_SYNCLINKMP=m
-CONFIG_SYNCLINK_GT=m
-CONFIG_N_HDLC=m
-# CONFIG_RISCOM8 is not set
-CONFIG_SPECIALIX=m
-# CONFIG_SPECIALIX_RTSCTS is not set
-CONFIG_SX=m
-# CONFIG_RIO is not set
-CONFIG_STALDRV=y
-# CONFIG_STALLION is not set
-# CONFIG_ISTALLION is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
 
 #
 # Serial drivers
@@ -1741,161 +1410,128 @@ CONFIG_SERIAL_8250_RSA=y
 #
 CONFIG_SERIAL_CORE=m
 CONFIG_SERIAL_JSM=m
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-CONFIG_PRINTER=m
-# CONFIG_LP_CONSOLE is not set
-CONFIG_PPDEV=m
-CONFIG_TIPAR=m
-CONFIG_IPMI_HANDLER=m
-# CONFIG_IPMI_PANIC_EVENT is not set
-CONFIG_IPMI_DEVICE_INTERFACE=m
-CONFIG_IPMI_SI=m
-CONFIG_IPMI_WATCHDOG=m
-CONFIG_IPMI_POWEROFF=m
-CONFIG_WATCHDOG=y
-# CONFIG_WATCHDOG_NOWAYOUT is not set
-
-#
-# Watchdog Device Drivers
-#
-CONFIG_SOFT_WATCHDOG=m
-# CONFIG_WDT_MTX1 is not set
-
-#
-# PCI-based Watchdog Cards
-#
-CONFIG_PCIPCWATCHDOG=m
-CONFIG_WDTPCI=m
-CONFIG_WDT_501_PCI=y
-
-#
-# USB-based Watchdog Cards
-#
-CONFIG_USBPCWATCHDOG=m
+# CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
-CONFIG_RTC=y
-CONFIG_R3964=m
-CONFIG_APPLICOM=m
-CONFIG_DRM=m
-CONFIG_DRM_TDFX=m
-CONFIG_DRM_R128=m
-CONFIG_DRM_RADEON=m
-CONFIG_DRM_MGA=m
-CONFIG_DRM_VIA=m
-CONFIG_DRM_SAVAGE=m
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
 
 #
 # PCMCIA character devices
 #
-CONFIG_SYNCLINK_CS=m
-CONFIG_CARDMAN_4000=m
-CONFIG_CARDMAN_4040=m
-CONFIG_RAW_DRIVER=m
-CONFIG_MAX_RAW_DEVS=256
-CONFIG_TCG_TPM=m
-CONFIG_TCG_ATMEL=m
+# CONFIG_SYNCLINK_CS is not set
+# CONFIG_CARDMAN_4000 is not set
+# CONFIG_CARDMAN_4040 is not set
+# CONFIG_IPWIRELESS is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
 CONFIG_I2C=m
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=m
-
-#
-# I2C Algorithms
-#
+CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_ALGOBIT=m
-CONFIG_I2C_ALGOPCF=m
-CONFIG_I2C_ALGOPCA=m
 
 #
 # I2C Hardware Bus support
 #
-CONFIG_I2C_ALI1535=m
-CONFIG_I2C_ALI1563=m
-CONFIG_I2C_ALI15X3=m
-CONFIG_I2C_AMD756=m
-CONFIG_I2C_AMD756_S4882=m
-CONFIG_I2C_AMD8111=m
-CONFIG_I2C_I801=m
-CONFIG_I2C_I810=m
-CONFIG_I2C_PIIX4=m
-CONFIG_I2C_NFORCE2=m
-CONFIG_I2C_OCORES=m
-CONFIG_I2C_PARPORT=m
-CONFIG_I2C_PARPORT_LIGHT=m
-CONFIG_I2C_PROSAVAGE=m
-CONFIG_I2C_SAVAGE4=m
-# CONFIG_I2C_SIMTEC is not set
-CONFIG_I2C_SIS5595=m
-CONFIG_I2C_SIS630=m
-CONFIG_I2C_SIS96X=m
-# CONFIG_I2C_TAOS_EVM is not set
-CONFIG_I2C_STUB=m
-# CONFIG_I2C_TINY_USB is not set
-CONFIG_I2C_VIA=m
-CONFIG_I2C_VIAPRO=m
-CONFIG_I2C_VOODOO3=m
 
 #
-# Miscellaneous I2C Chip support
+# PC SMBus host controller drivers
 #
-CONFIG_SENSORS_DS1337=m
-CONFIG_SENSORS_DS1374=m
-# CONFIG_DS1682 is not set
-CONFIG_EEPROM_LEGACY=m
-CONFIG_SENSORS_PCF8574=m
-CONFIG_SENSORS_PCA9539=m
-CONFIG_SENSORS_PCF8591=m
-CONFIG_EEPROM_MAX6875=m
-# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_ISCH is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_GPIO=m
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
 
 #
-# SPI support
+# PPS support
 #
-CONFIG_SPI=y
-CONFIG_SPI_MASTER=y
+# CONFIG_PPS is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
 
 #
-# SPI Master Controller Drivers
+# Memory mapped GPIO expanders:
 #
-CONFIG_SPI_BITBANG=m
-CONFIG_SPI_BUTTERFLY=m
-# CONFIG_SPI_LM70_LLP is not set
+# CONFIG_GPIO_IT8761E is not set
+# CONFIG_GPIO_SCH is not set
 
 #
-# SPI Protocol Masters
+# I2C GPIO expanders:
 #
-# CONFIG_EEPROM_AT25 is not set
-# CONFIG_SPI_SPIDEV is not set
-# CONFIG_SPI_TLE62X0 is not set
-CONFIG_W1=m
-CONFIG_W1_CON=y
+# CONFIG_GPIO_MAX7300 is not set
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
-# 1-wire Bus Masters
+# PCI GPIO expanders:
 #
-CONFIG_W1_MASTER_MATROX=m
-CONFIG_W1_MASTER_DS2490=m
-CONFIG_W1_MASTER_DS2482=m
+# CONFIG_GPIO_CS5535 is not set
+# CONFIG_GPIO_BT8XX is not set
+# CONFIG_GPIO_LANGWELL is not set
 
 #
-# 1-wire Slaves
+# SPI GPIO expanders:
 #
-CONFIG_W1_SLAVE_THERM=m
-CONFIG_W1_SLAVE_SMEM=m
-CONFIG_W1_SLAVE_DS2433=m
-# CONFIG_W1_SLAVE_DS2433_CRC is not set
-# CONFIG_W1_SLAVE_DS2760 is not set
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 CONFIG_HWMON_VID=m
-CONFIG_SENSORS_ABITUGURU=m
-# CONFIG_SENSORS_ABITUGURU3 is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Native drivers
+#
+# CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
 CONFIG_SENSORS_ADM1021=m
 CONFIG_SENSORS_ADM1025=m
@@ -1903,17 +1539,23 @@ CONFIG_SENSORS_ADM1026=m
 # CONFIG_SENSORS_ADM1029 is not set
 CONFIG_SENSORS_ADM1031=m
 CONFIG_SENSORS_ADM9240=m
-CONFIG_SENSORS_ASB100=m
+# CONFIG_SENSORS_ADT7411 is not set
+# CONFIG_SENSORS_ADT7462 is not set
+# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 CONFIG_SENSORS_ATXP1=m
 CONFIG_SENSORS_DS1621=m
+# CONFIG_SENSORS_I5K_AMB is not set
 CONFIG_SENSORS_F71805F=m
-CONFIG_SENSORS_FSCHER=m
-CONFIG_SENSORS_FSCPOS=m
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_G760A is not set
 CONFIG_SENSORS_GL518SM=m
 CONFIG_SENSORS_GL520SM=m
 CONFIG_SENSORS_IT87=m
 CONFIG_SENSORS_LM63=m
-CONFIG_SENSORS_LM70=m
+# CONFIG_SENSORS_LM73 is not set
 CONFIG_SENSORS_LM75=m
 CONFIG_SENSORS_LM77=m
 CONFIG_SENSORS_LM78=m
@@ -1924,16 +1566,25 @@ CONFIG_SENSORS_LM87=m
 CONFIG_SENSORS_LM90=m
 CONFIG_SENSORS_LM92=m
 # CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_LTC4215 is not set
+# CONFIG_SENSORS_LTC4245 is not set
+# CONFIG_SENSORS_LM95241 is not set
 CONFIG_SENSORS_MAX1619=m
 # CONFIG_SENSORS_MAX6650 is not set
 CONFIG_SENSORS_PC87360=m
 # CONFIG_SENSORS_PC87427 is not set
+CONFIG_SENSORS_PCF8591=m
+# CONFIG_SENSORS_SHT15 is not set
 CONFIG_SENSORS_SIS5595=m
 # CONFIG_SENSORS_DME1737 is not set
 CONFIG_SENSORS_SMSC47M1=m
 CONFIG_SENSORS_SMSC47M192=m
 CONFIG_SENSORS_SMSC47B397=m
+# CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_TMP401 is not set
+# CONFIG_SENSORS_TMP421 is not set
 CONFIG_SENSORS_VIA686A=m
 CONFIG_SENSORS_VT1211=m
 CONFIG_SENSORS_VT8231=m
@@ -1942,370 +1593,94 @@ CONFIG_SENSORS_W83791D=m
 CONFIG_SENSORS_W83792D=m
 # CONFIG_SENSORS_W83793 is not set
 CONFIG_SENSORS_W83L785TS=m
+# CONFIG_SENSORS_W83L786NG is not set
 CONFIG_SENSORS_W83627HF=m
 CONFIG_SENSORS_W83627EHF=m
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_SENSORS_LIS3_I2C is not set
+# CONFIG_THERMAL is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ALIM7101_WDT is not set
+CONFIG_WDT_MTX1=y
+
+#
+# PCI-based Watchdog Cards
+#
+# CONFIG_PCIPCWATCHDOG is not set
+# CONFIG_WDTPCI is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB=m
+CONFIG_SSB_SPROM=y
+CONFIG_SSB_PCIHOST_POSSIBLE=y
+CONFIG_SSB_PCIHOST=y
+# CONFIG_SSB_B43_PCI_BRIDGE is not set
+CONFIG_SSB_PCMCIAHOST_POSSIBLE=y
+# CONFIG_SSB_PCMCIAHOST is not set
+CONFIG_SSB_SDIOHOST_POSSIBLE=y
+# CONFIG_SSB_SDIOHOST is not set
+# CONFIG_SSB_SILENT is not set
+# CONFIG_SSB_DEBUG is not set
+CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
+CONFIG_SSB_DRIVER_PCICORE=y
+# CONFIG_SSB_DRIVER_MIPS is not set
 
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
-
-#
-# Multimedia devices
-#
-CONFIG_VIDEO_DEV=m
-CONFIG_VIDEO_V4L1=y
-CONFIG_VIDEO_V4L1_COMPAT=y
-CONFIG_VIDEO_V4L2=y
-CONFIG_VIDEO_CAPTURE_DRIVERS=y
-# CONFIG_VIDEO_ADV_DEBUG is not set
-CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
-CONFIG_VIDEO_TVAUDIO=m
-CONFIG_VIDEO_TDA7432=m
-CONFIG_VIDEO_TDA9840=m
-CONFIG_VIDEO_TDA9875=m
-CONFIG_VIDEO_TEA6415C=m
-CONFIG_VIDEO_TEA6420=m
-CONFIG_VIDEO_MSP3400=m
-CONFIG_VIDEO_WM8775=m
-CONFIG_VIDEO_BT819=m
-CONFIG_VIDEO_BT856=m
-CONFIG_VIDEO_KS0127=m
-CONFIG_VIDEO_SAA7110=m
-CONFIG_VIDEO_SAA7111=m
-CONFIG_VIDEO_SAA7114=m
-CONFIG_VIDEO_SAA711X=m
-CONFIG_VIDEO_TVP5150=m
-CONFIG_VIDEO_VPX3220=m
-CONFIG_VIDEO_CX25840=m
-CONFIG_VIDEO_CX2341X=m
-CONFIG_VIDEO_SAA7185=m
-CONFIG_VIDEO_ADV7170=m
-CONFIG_VIDEO_ADV7175=m
-CONFIG_VIDEO_VIVI=m
-CONFIG_VIDEO_BT848=m
-CONFIG_VIDEO_BT848_DVB=y
-CONFIG_VIDEO_SAA6588=m
-CONFIG_VIDEO_BWQCAM=m
-CONFIG_VIDEO_CQCAM=m
-CONFIG_VIDEO_W9966=m
-CONFIG_VIDEO_CPIA=m
-CONFIG_VIDEO_CPIA_PP=m
-CONFIG_VIDEO_CPIA_USB=m
-CONFIG_VIDEO_CPIA2=m
-CONFIG_VIDEO_SAA5246A=m
-CONFIG_VIDEO_SAA5249=m
-CONFIG_TUNER_3036=m
-# CONFIG_TUNER_TEA5761 is not set
-CONFIG_VIDEO_STRADIS=m
-CONFIG_VIDEO_ZORAN_ZR36060=m
-CONFIG_VIDEO_ZORAN=m
-CONFIG_VIDEO_ZORAN_BUZ=m
-CONFIG_VIDEO_ZORAN_DC10=m
-CONFIG_VIDEO_ZORAN_DC30=m
-CONFIG_VIDEO_ZORAN_LML33=m
-CONFIG_VIDEO_ZORAN_LML33R10=m
-CONFIG_VIDEO_ZORAN_AVS6EYES=m
-CONFIG_VIDEO_SAA7134=m
-CONFIG_VIDEO_SAA7134_ALSA=m
-CONFIG_VIDEO_SAA7134_OSS=m
-CONFIG_VIDEO_SAA7134_DVB=m
-CONFIG_VIDEO_MXB=m
-CONFIG_VIDEO_DPC=m
-CONFIG_VIDEO_HEXIUM_ORION=m
-CONFIG_VIDEO_HEXIUM_GEMINI=m
-CONFIG_VIDEO_CX88=m
-CONFIG_VIDEO_CX88_ALSA=m
-CONFIG_VIDEO_CX88_BLACKBIRD=m
-CONFIG_VIDEO_CX88_DVB=m
-CONFIG_VIDEO_CX88_VP3054=m
-# CONFIG_VIDEO_IVTV is not set
-# CONFIG_VIDEO_CAFE_CCIC is not set
-CONFIG_V4L_USB_DRIVERS=y
-CONFIG_VIDEO_PVRUSB2=m
-CONFIG_VIDEO_PVRUSB2_29XXX=y
-CONFIG_VIDEO_PVRUSB2_24XXX=y
-CONFIG_VIDEO_PVRUSB2_SYSFS=y
-# CONFIG_VIDEO_PVRUSB2_DEBUGIFC is not set
-CONFIG_VIDEO_EM28XX=m
-# CONFIG_VIDEO_USBVISION is not set
-CONFIG_VIDEO_USBVIDEO=m
-CONFIG_USB_VICAM=m
-CONFIG_USB_IBMCAM=m
-CONFIG_USB_KONICAWC=m
-CONFIG_USB_QUICKCAM_MESSENGER=m
-CONFIG_USB_ET61X251=m
-CONFIG_VIDEO_OVCAMCHIP=m
-CONFIG_USB_W9968CF=m
-# CONFIG_USB_OV511 is not set
-CONFIG_USB_SE401=m
-CONFIG_USB_SN9C102=m
-CONFIG_USB_STV680=m
-CONFIG_USB_ZC0301=m
-CONFIG_USB_PWC=m
-# CONFIG_USB_PWC_DEBUG is not set
-# CONFIG_USB_ZR364XX is not set
-CONFIG_RADIO_ADAPTERS=y
-CONFIG_RADIO_GEMTEK_PCI=m
-CONFIG_RADIO_MAXIRADIO=m
-CONFIG_RADIO_MAESTRO=m
-CONFIG_USB_DSBR=m
-CONFIG_DVB_CORE=m
-CONFIG_DVB_CORE_ATTACH=y
-CONFIG_DVB_CAPTURE_DRIVERS=y
-
-#
-# Supported SAA7146 based PCI Adapters
-#
-CONFIG_DVB_AV7110=m
-CONFIG_DVB_AV7110_OSD=y
-CONFIG_DVB_BUDGET=m
-CONFIG_DVB_BUDGET_CI=m
-CONFIG_DVB_BUDGET_AV=m
-CONFIG_DVB_BUDGET_PATCH=m
-
-#
-# Supported USB Adapters
-#
-CONFIG_DVB_USB=m
-# CONFIG_DVB_USB_DEBUG is not set
-CONFIG_DVB_USB_A800=m
-CONFIG_DVB_USB_DIBUSB_MB=m
-CONFIG_DVB_USB_DIBUSB_MB_FAULTY=y
-CONFIG_DVB_USB_DIBUSB_MC=m
-CONFIG_DVB_USB_DIB0700=m
-CONFIG_DVB_USB_UMT_010=m
-CONFIG_DVB_USB_CXUSB=m
-# CONFIG_DVB_USB_M920X is not set
-# CONFIG_DVB_USB_GL861 is not set
-# CONFIG_DVB_USB_AU6610 is not set
-CONFIG_DVB_USB_DIGITV=m
-CONFIG_DVB_USB_VP7045=m
-CONFIG_DVB_USB_VP702X=m
-CONFIG_DVB_USB_GP8PSK=m
-CONFIG_DVB_USB_NOVA_T_USB2=m
-# CONFIG_DVB_USB_TTUSB2 is not set
-CONFIG_DVB_USB_DTT200U=m
-# CONFIG_DVB_USB_OPERA1 is not set
-# CONFIG_DVB_USB_AF9005 is not set
-CONFIG_DVB_TTUSB_BUDGET=m
-CONFIG_DVB_TTUSB_DEC=m
-CONFIG_DVB_CINERGYT2=m
-CONFIG_DVB_CINERGYT2_TUNING=y
-CONFIG_DVB_CINERGYT2_STREAM_URB_COUNT=32
-CONFIG_DVB_CINERGYT2_STREAM_BUF_SIZE=512
-CONFIG_DVB_CINERGYT2_QUERY_INTERVAL=250
-CONFIG_DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE=y
-CONFIG_DVB_CINERGYT2_RC_QUERY_INTERVAL=100
-
-#
-# Supported FlexCopII (B2C2) Adapters
-#
-CONFIG_DVB_B2C2_FLEXCOP=m
-CONFIG_DVB_B2C2_FLEXCOP_PCI=m
-CONFIG_DVB_B2C2_FLEXCOP_USB=m
-# CONFIG_DVB_B2C2_FLEXCOP_DEBUG is not set
-
-#
-# Supported BT878 Adapters
-#
-CONFIG_DVB_BT8XX=m
-
-#
-# Supported Pluto2 Adapters
-#
-CONFIG_DVB_PLUTO2=m
-
-#
-# Supported DVB Frontends
-#
-
-#
-# Customise DVB Frontends
-#
-# CONFIG_DVB_FE_CUSTOMISE is not set
-
-#
-# DVB-S (satellite) frontends
-#
-CONFIG_DVB_STV0299=m
-CONFIG_DVB_CX24110=m
-CONFIG_DVB_CX24123=m
-CONFIG_DVB_TDA8083=m
-CONFIG_DVB_MT312=m
-CONFIG_DVB_VES1X93=m
-CONFIG_DVB_S5H1420=m
-CONFIG_DVB_TDA10086=m
-
-#
-# DVB-T (terrestrial) frontends
-#
-CONFIG_DVB_SP8870=m
-CONFIG_DVB_SP887X=m
-CONFIG_DVB_CX22700=m
-CONFIG_DVB_CX22702=m
-CONFIG_DVB_L64781=m
-CONFIG_DVB_TDA1004X=m
-CONFIG_DVB_NXT6000=m
-CONFIG_DVB_MT352=m
-CONFIG_DVB_ZL10353=m
-CONFIG_DVB_DIB3000MB=m
-CONFIG_DVB_DIB3000MC=m
-CONFIG_DVB_DIB7000M=m
-CONFIG_DVB_DIB7000P=m
-
-#
-# DVB-C (cable) frontends
-#
-CONFIG_DVB_VES1820=m
-CONFIG_DVB_TDA10021=m
-CONFIG_DVB_TDA10023=m
-CONFIG_DVB_STV0297=m
-
-#
-# ATSC (North American/Korean Terrestrial/Cable DTV) frontends
-#
-CONFIG_DVB_NXT200X=m
-CONFIG_DVB_OR51211=m
-CONFIG_DVB_OR51132=m
-CONFIG_DVB_BCM3510=m
-CONFIG_DVB_LGDT330X=m
-
-#
-# Tuners/PLL support
-#
-CONFIG_DVB_PLL=m
-CONFIG_DVB_TDA826X=m
-CONFIG_DVB_TDA827X=m
-# CONFIG_DVB_TUNER_QT1010 is not set
-CONFIG_DVB_TUNER_MT2060=m
-
-#
-# Miscellaneous devices
-#
-CONFIG_DVB_LNBP21=m
-CONFIG_DVB_ISL6421=m
-CONFIG_DVB_TUA6100=m
-CONFIG_VIDEO_SAA7146=m
-CONFIG_VIDEO_SAA7146_VV=m
-CONFIG_VIDEO_TUNER=m
-CONFIG_VIDEO_BUF=m
-CONFIG_VIDEO_BUF_DVB=m
-CONFIG_VIDEO_BTCX=m
-CONFIG_VIDEO_IR_I2C=m
-CONFIG_VIDEO_IR=m
-CONFIG_VIDEO_TVEEPROM=m
-CONFIG_DAB=y
-CONFIG_USB_DABUSB=m
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_UCB1400_CORE is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8994 is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_TIMBERDALE is not set
+# CONFIG_LPC_SCH is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
 #
+# CONFIG_VGA_ARB is not set
+# CONFIG_DRM is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
-CONFIG_LCD_CLASS_DEVICE=m
+# CONFIG_LCD_CLASS_DEVICE is not set
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
+# CONFIG_BACKLIGHT_GENERIC is not set
 
 #
 # Display device support
 #
 # CONFIG_DISPLAY_SUPPORT is not set
-CONFIG_VGASTATE=m
-CONFIG_VIDEO_OUTPUT_CONTROL=m
-CONFIG_FB=y
-CONFIG_FIRMWARE_EDID=y
-CONFIG_FB_DDC=m
-CONFIG_FB_CFB_FILLRECT=m
-CONFIG_FB_CFB_COPYAREA=m
-CONFIG_FB_CFB_IMAGEBLIT=m
-# CONFIG_FB_SYS_FILLRECT is not set
-# CONFIG_FB_SYS_COPYAREA is not set
-# CONFIG_FB_SYS_IMAGEBLIT is not set
-# CONFIG_FB_SYS_FOPS is not set
-CONFIG_FB_DEFERRED_IO=y
-# CONFIG_FB_SVGALIB is not set
-# CONFIG_FB_MACMODES is not set
-CONFIG_FB_BACKLIGHT=y
-CONFIG_FB_MODE_HELPERS=y
-CONFIG_FB_TILEBLITTING=y
-
-#
-# Frame buffer hardware drivers
-#
-CONFIG_FB_CIRRUS=m
-CONFIG_FB_PM2=m
-CONFIG_FB_PM2_FIFO_DISCONNECT=y
-CONFIG_FB_CYBER2000=m
-# CONFIG_FB_ASILIANT is not set
-# CONFIG_FB_IMSTT is not set
-CONFIG_FB_S1D13XXX=m
-CONFIG_FB_NVIDIA=m
-CONFIG_FB_NVIDIA_I2C=y
-# CONFIG_FB_NVIDIA_DEBUG is not set
-CONFIG_FB_NVIDIA_BACKLIGHT=y
-CONFIG_FB_RIVA=m
-CONFIG_FB_RIVA_I2C=y
-# CONFIG_FB_RIVA_DEBUG is not set
-CONFIG_FB_RIVA_BACKLIGHT=y
-CONFIG_FB_MATROX=m
-CONFIG_FB_MATROX_MILLENIUM=y
-CONFIG_FB_MATROX_MYSTIQUE=y
-CONFIG_FB_MATROX_G=y
-CONFIG_FB_MATROX_I2C=m
-CONFIG_FB_MATROX_MAVEN=m
-CONFIG_FB_MATROX_MULTIHEAD=y
-CONFIG_FB_RADEON=m
-CONFIG_FB_RADEON_I2C=y
-CONFIG_FB_RADEON_BACKLIGHT=y
-# CONFIG_FB_RADEON_DEBUG is not set
-CONFIG_FB_ATY128=m
-CONFIG_FB_ATY128_BACKLIGHT=y
-CONFIG_FB_ATY=m
-CONFIG_FB_ATY_CT=y
-CONFIG_FB_ATY_GENERIC_LCD=y
-CONFIG_FB_ATY_GX=y
-CONFIG_FB_ATY_BACKLIGHT=y
-# CONFIG_FB_S3 is not set
-CONFIG_FB_SAVAGE=m
-CONFIG_FB_SAVAGE_I2C=y
-CONFIG_FB_SAVAGE_ACCEL=y
-CONFIG_FB_SIS=m
-CONFIG_FB_SIS_300=y
-CONFIG_FB_SIS_315=y
-CONFIG_FB_NEOMAGIC=m
-CONFIG_FB_KYRO=m
-CONFIG_FB_3DFX=m
-# CONFIG_FB_3DFX_ACCEL is not set
-CONFIG_FB_VOODOO1=m
-# CONFIG_FB_VT8623 is not set
-CONFIG_FB_TRIDENT=m
-# CONFIG_FB_TRIDENT_ACCEL is not set
-# CONFIG_FB_ARK is not set
-# CONFIG_FB_PM3 is not set
-# CONFIG_FB_VIRTUAL is not set
 
 #
 # Console display driver support
 #
-CONFIG_VGA_CONSOLE=y
-# CONFIG_VGACON_SOFT_SCROLLBACK is not set
+# CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE=m
-# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
-# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
-# CONFIG_FONTS is not set
-CONFIG_FONT_8x8=y
-CONFIG_FONT_8x16=y
-# CONFIG_LOGO is not set
-
-#
-# Sound
-#
 CONFIG_SOUND=m
-
-#
-# Advanced Linux Sound Architecture
-#
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
 CONFIG_SND=m
 CONFIG_SND_TIMER=m
 CONFIG_SND_PCM=m
@@ -2318,32 +1693,29 @@ CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
 CONFIG_SND_PCM_OSS_PLUGINS=y
 CONFIG_SND_SEQUENCER_OSS=y
-CONFIG_SND_RTCTIMER=m
-CONFIG_SND_SEQ_RTCTIMER_DEFAULT=y
 CONFIG_SND_DYNAMIC_MINORS=y
 CONFIG_SND_SUPPORT_OLD_API=y
 CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
-
-#
-# Generic devices
-#
+CONFIG_SND_VMASTER=y
+CONFIG_SND_RAWMIDI_SEQ=m
+CONFIG_SND_OPL3_LIB_SEQ=m
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+CONFIG_SND_EMU10K1_SEQ=m
 CONFIG_SND_MPU401_UART=m
 CONFIG_SND_OPL3_LIB=m
 CONFIG_SND_VX_LIB=m
 CONFIG_SND_AC97_CODEC=m
+CONFIG_SND_DRIVERS=y
 CONFIG_SND_DUMMY=m
 CONFIG_SND_VIRMIDI=m
 CONFIG_SND_MTPAV=m
-CONFIG_SND_MTS64=m
 CONFIG_SND_SERIAL_U16550=m
 CONFIG_SND_MPU401=m
-# CONFIG_SND_PORTMAN2X4 is not set
-
-#
-# PCI devices
-#
+# CONFIG_SND_AC97_POWER_SAVE is not set
+CONFIG_SND_PCI=y
 CONFIG_SND_AD1889=m
 CONFIG_SND_ALS300=m
 CONFIG_SND_ALI5451=m
@@ -2352,14 +1724,18 @@ CONFIG_SND_ATIIXP_MODEM=m
 CONFIG_SND_AU8810=m
 CONFIG_SND_AU8820=m
 CONFIG_SND_AU8830=m
+# CONFIG_SND_AW2 is not set
 CONFIG_SND_AZT3328=m
 CONFIG_SND_BT87X=m
 # CONFIG_SND_BT87X_OVERCLOCK is not set
 CONFIG_SND_CA0106=m
 CONFIG_SND_CMIPCI=m
+# CONFIG_SND_OXYGEN is not set
 CONFIG_SND_CS4281=m
 CONFIG_SND_CS46XX=m
 CONFIG_SND_CS46XX_NEW_DSP=y
+# CONFIG_SND_CS5535AUDIO is not set
+# CONFIG_SND_CTXFI is not set
 CONFIG_SND_DARLA20=m
 CONFIG_SND_GINA20=m
 CONFIG_SND_LAYLA20=m
@@ -2372,6 +1748,8 @@ CONFIG_SND_ECHO3G=m
 CONFIG_SND_INDIGO=m
 CONFIG_SND_INDIGOIO=m
 CONFIG_SND_INDIGODJ=m
+# CONFIG_SND_INDIGOIOX is not set
+# CONFIG_SND_INDIGODJX is not set
 CONFIG_SND_EMU10K1=m
 CONFIG_SND_EMU10K1X=m
 CONFIG_SND_ENS1370=m
@@ -2379,19 +1757,36 @@ CONFIG_SND_ENS1371=m
 CONFIG_SND_ES1938=m
 CONFIG_SND_ES1968=m
 CONFIG_SND_FM801=m
-CONFIG_SND_FM801_TEA575X_BOOL=y
-CONFIG_SND_FM801_TEA575X=m
 CONFIG_SND_HDA_INTEL=m
+# CONFIG_SND_HDA_HWDEP is not set
+# CONFIG_SND_HDA_INPUT_BEEP is not set
+# CONFIG_SND_HDA_INPUT_JACK is not set
+# CONFIG_SND_HDA_PATCH_LOADER is not set
+CONFIG_SND_HDA_CODEC_REALTEK=y
+CONFIG_SND_HDA_CODEC_ANALOG=y
+CONFIG_SND_HDA_CODEC_SIGMATEL=y
+CONFIG_SND_HDA_CODEC_VIA=y
+CONFIG_SND_HDA_CODEC_ATIHDMI=y
+CONFIG_SND_HDA_CODEC_NVHDMI=y
+CONFIG_SND_HDA_CODEC_INTELHDMI=y
+CONFIG_SND_HDA_ELD=y
+CONFIG_SND_HDA_CODEC_CIRRUS=y
+CONFIG_SND_HDA_CODEC_CONEXANT=y
+CONFIG_SND_HDA_CODEC_CA0110=y
+CONFIG_SND_HDA_CODEC_CMEDIA=y
+CONFIG_SND_HDA_CODEC_SI3054=y
+CONFIG_SND_HDA_GENERIC=y
+# CONFIG_SND_HDA_POWER_SAVE is not set
 CONFIG_SND_HDSP=m
 CONFIG_SND_HDSPM=m
+# CONFIG_SND_HIFIER is not set
 CONFIG_SND_ICE1712=m
 CONFIG_SND_ICE1724=m
 CONFIG_SND_INTEL8X0=m
 CONFIG_SND_INTEL8X0M=m
 CONFIG_SND_KORG1212=m
-CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL=y
+# CONFIG_SND_LX6464ES is not set
 CONFIG_SND_MAESTRO3=m
-CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL=y
 CONFIG_SND_MIXART=m
 CONFIG_SND_NM256=m
 CONFIG_SND_PCXHR=m
@@ -2403,55 +1798,30 @@ CONFIG_SND_SONICVIBES=m
 CONFIG_SND_TRIDENT=m
 CONFIG_SND_VIA82XX=m
 CONFIG_SND_VIA82XX_MODEM=m
+# CONFIG_SND_VIRTUOSO is not set
 CONFIG_SND_VX222=m
 CONFIG_SND_YMFPCI=m
-CONFIG_SND_YMFPCI_FIRMWARE_IN_KERNEL=y
-# CONFIG_SND_AC97_POWER_SAVE is not set
-
-#
-# ALSA MIPS devices
-#
+CONFIG_SND_MIPS=y
 # CONFIG_SND_AU1X00 is not set
-
-#
-# USB devices
-#
+CONFIG_SND_USB=y
 CONFIG_SND_USB_AUDIO=m
+# CONFIG_SND_USB_UA101 is not set
 # CONFIG_SND_USB_CAIAQ is not set
-
-#
-# PCMCIA devices
-#
+CONFIG_SND_PCMCIA=y
 CONFIG_SND_VXPOCKET=m
 CONFIG_SND_PDAUDIOCF=m
-
-#
-# System on Chip audio support
-#
 # CONFIG_SND_SOC is not set
-
-#
-# SoC Audio support for SuperH
-#
-
-#
-# Open Sound System
-#
 CONFIG_SOUND_PRIME=m
-CONFIG_SOUND_TRIDENT=m
-# CONFIG_SOUND_MSNDCLAS is not set
-# CONFIG_SOUND_MSNDPIN is not set
 CONFIG_AC97_BUS=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
 
 #
 # USB Input Devices
 #
 CONFIG_USB_HID=m
-CONFIG_USB_HIDINPUT_POWERBOOK=y
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 CONFIG_USB_HIDDEV=y
 
 #
@@ -2459,12 +1829,50 @@ CONFIG_USB_HIDDEV=y
 #
 CONFIG_USB_KBD=m
 CONFIG_USB_MOUSE=m
+
+#
+# Special HID drivers
+#
+# CONFIG_HID_3M_PCT is not set
+# CONFIG_HID_A4TECH is not set
+# CONFIG_HID_APPLE is not set
+# CONFIG_HID_BELKIN is not set
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
+# CONFIG_HID_CYPRESS is not set
+# CONFIG_HID_DRAGONRISE is not set
+# CONFIG_HID_EZKEY is not set
+# CONFIG_HID_KYE is not set
+# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_TWINHAN is not set
+# CONFIG_HID_KENSINGTON is not set
+# CONFIG_HID_LOGITECH is not set
+# CONFIG_HID_MAGICMOUSE is not set
+# CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MOSART is not set
+# CONFIG_HID_MONTEREY is not set
+# CONFIG_HID_NTRIG is not set
+# CONFIG_HID_ORTEK is not set
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_QUANTA is not set
+# CONFIG_HID_SAMSUNG is not set
+# CONFIG_HID_SONY is not set
+# CONFIG_HID_STANTUM is not set
+# CONFIG_HID_SUNPLUS is not set
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_WACOM is not set
+# CONFIG_HID_ZEROPLUS is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=m
 # CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
 
 #
 # Miscellaneous USB options
@@ -2472,19 +1880,27 @@ CONFIG_USB=m
 CONFIG_USB_DEVICEFS=y
 CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
-CONFIG_USB_SUSPEND=y
-# CONFIG_USB_PERSIST is not set
 # CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=m
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
 
 #
 # USB Host Controller Drivers
 #
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_XHCI_HCD is not set
 CONFIG_USB_EHCI_HCD=m
-CONFIG_USB_EHCI_SPLIT_ISO=y
 CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_USB_EHCI_TT_NEWSCHED=y
+# CONFIG_USB_OXU210HP_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
 CONFIG_USB_OHCI_HCD=m
+# CONFIG_USB_OHCI_HCD_SSB is not set
 # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
 # CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
 CONFIG_USB_OHCI_LITTLE_ENDIAN=y
@@ -2493,32 +1909,38 @@ CONFIG_USB_U132_HCD=m
 CONFIG_USB_SL811_HCD=m
 CONFIG_USB_SL811_CS=m
 # CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_WHCI_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
 
 #
 # USB Device Class drivers
 #
 CONFIG_USB_ACM=m
 CONFIG_USB_PRINTER=m
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
 #
 
 #
-# may also be needed; see USB_STORAGE Help for more information
+# also be needed; see USB_STORAGE Help for more info
 #
 CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_DEBUG is not set
-CONFIG_USB_STORAGE_DATAFAB=y
-CONFIG_USB_STORAGE_FREECOM=y
-CONFIG_USB_STORAGE_ISD200=y
-CONFIG_USB_STORAGE_DPCM=y
-CONFIG_USB_STORAGE_USBAT=y
-CONFIG_USB_STORAGE_SDDR09=y
-CONFIG_USB_STORAGE_SDDR55=y
-CONFIG_USB_STORAGE_JUMPSHOT=y
-CONFIG_USB_STORAGE_ALAUDA=y
-CONFIG_USB_STORAGE_KARMA=y
+CONFIG_USB_STORAGE_DATAFAB=m
+CONFIG_USB_STORAGE_FREECOM=m
+CONFIG_USB_STORAGE_ISD200=m
+CONFIG_USB_STORAGE_USBAT=m
+CONFIG_USB_STORAGE_SDDR09=m
+CONFIG_USB_STORAGE_SDDR55=m
+CONFIG_USB_STORAGE_JUMPSHOT=m
+CONFIG_USB_STORAGE_ALAUDA=m
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+CONFIG_USB_STORAGE_KARMA=m
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 CONFIG_USB_LIBUSUAL=y
 
 #
@@ -2526,25 +1948,20 @@ CONFIG_USB_LIBUSUAL=y
 #
 CONFIG_USB_MDC800=m
 CONFIG_USB_MICROTEK=m
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
 #
-CONFIG_USB_USS720=m
-
-#
-# USB Serial Converter support
-#
 CONFIG_USB_SERIAL=m
+CONFIG_USB_EZUSB=y
 CONFIG_USB_SERIAL_GENERIC=y
 CONFIG_USB_SERIAL_AIRCABLE=m
-CONFIG_USB_SERIAL_AIRPRIME=m
 CONFIG_USB_SERIAL_ARK3116=m
 CONFIG_USB_SERIAL_BELKIN=m
+# CONFIG_USB_SERIAL_CH341 is not set
 CONFIG_USB_SERIAL_WHITEHEAT=m
 CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
-CONFIG_USB_SERIAL_CP2101=m
+# CONFIG_USB_SERIAL_CP210X is not set
 CONFIG_USB_SERIAL_CYPRESS_M8=m
 CONFIG_USB_SERIAL_EMPEG=m
 CONFIG_USB_SERIAL_FTDI_SIO=m
@@ -2556,6 +1973,7 @@ CONFIG_USB_SERIAL_EDGEPORT=m
 CONFIG_USB_SERIAL_EDGEPORT_TI=m
 CONFIG_USB_SERIAL_GARMIN=m
 CONFIG_USB_SERIAL_IPW=m
+# CONFIG_USB_SERIAL_IUU is not set
 CONFIG_USB_SERIAL_KEYSPAN_PDA=m
 CONFIG_USB_SERIAL_KEYSPAN=m
 # CONFIG_USB_SERIAL_KEYSPAN_MPR is not set
@@ -2575,20 +1993,27 @@ CONFIG_USB_SERIAL_KOBIL_SCT=m
 CONFIG_USB_SERIAL_MCT_U232=m
 CONFIG_USB_SERIAL_MOS7720=m
 CONFIG_USB_SERIAL_MOS7840=m
+# CONFIG_USB_SERIAL_MOTOROLA is not set
 CONFIG_USB_SERIAL_NAVMAN=m
 CONFIG_USB_SERIAL_PL2303=m
 # CONFIG_USB_SERIAL_OTI6858 is not set
+# CONFIG_USB_SERIAL_QCAUX is not set
+# CONFIG_USB_SERIAL_QUALCOMM is not set
+# CONFIG_USB_SERIAL_SPCP8X5 is not set
 CONFIG_USB_SERIAL_HP4X=m
 CONFIG_USB_SERIAL_SAFE=m
 # CONFIG_USB_SERIAL_SAFE_PADDED is not set
+# CONFIG_USB_SERIAL_SIEMENS_MPI is not set
 CONFIG_USB_SERIAL_SIERRAWIRELESS=m
+# CONFIG_USB_SERIAL_SYMBOL is not set
 CONFIG_USB_SERIAL_TI=m
 CONFIG_USB_SERIAL_CYBERJACK=m
 CONFIG_USB_SERIAL_XIRCOM=m
 CONFIG_USB_SERIAL_OPTION=m
 CONFIG_USB_SERIAL_OMNINET=m
+# CONFIG_USB_SERIAL_OPTICON is not set
+# CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set
 # CONFIG_USB_SERIAL_DEBUG is not set
-CONFIG_USB_EZUSB=y
 
 #
 # USB Miscellaneous drivers
@@ -2596,18 +2021,13 @@ CONFIG_USB_EZUSB=y
 CONFIG_USB_EMI62=m
 CONFIG_USB_EMI26=m
 CONFIG_USB_ADUTUX=m
-CONFIG_USB_AUERSWALD=m
+# CONFIG_USB_SEVSEG is not set
 CONFIG_USB_RIO500=m
 CONFIG_USB_LEGOTOWER=m
 CONFIG_USB_LCD=m
-# CONFIG_USB_BERRY_CHARGE is not set
 CONFIG_USB_LED=m
 CONFIG_USB_CYPRESS_CY7C63=m
 CONFIG_USB_CYTHERM=m
-CONFIG_USB_PHIDGET=m
-CONFIG_USB_PHIDGETKIT=m
-CONFIG_USB_PHIDGETMOTORCONTROL=m
-CONFIG_USB_PHIDGETSERVO=m
 CONFIG_USB_IDMOUSE=m
 CONFIG_USB_FTDI_ELAN=m
 CONFIG_USB_APPLEDISPLAY=m
@@ -2617,86 +2037,113 @@ CONFIG_USB_LD=m
 CONFIG_USB_TRANCEVIBRATOR=m
 # CONFIG_USB_IOWARRIOR is not set
 CONFIG_USB_TEST=m
-
-#
-# USB DSL modem support
-#
+# CONFIG_USB_ISIGHTFW is not set
 CONFIG_USB_ATM=m
 CONFIG_USB_SPEEDTOUCH=m
 CONFIG_USB_CXACRU=m
 CONFIG_USB_UEAGLEATM=m
 CONFIG_USB_XUSBATM=m
-
-#
-# USB Gadget Support
-#
 CONFIG_USB_GADGET=m
 # CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
 CONFIG_USB_GADGET_SELECTED=y
-# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
 # CONFIG_USB_GADGET_FSL_USB2 is not set
-CONFIG_USB_GADGET_NET2280=y
-CONFIG_USB_NET2280=m
-# CONFIG_USB_GADGET_PXA2XX is not set
-# CONFIG_USB_GADGET_M66592 is not set
-# CONFIG_USB_GADGET_GOKU is not set
 # CONFIG_USB_GADGET_LH7A40X is not set
 # CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_R8A66597 is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
+# CONFIG_USB_GADGET_IMX is not set
 # CONFIG_USB_GADGET_S3C2410 is not set
-# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+CONFIG_USB_GADGET_NET2280=y
+CONFIG_USB_NET2280=m
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
 # CONFIG_USB_GADGET_DUMMY_HCD is not set
 CONFIG_USB_GADGET_DUALSPEED=y
 CONFIG_USB_ZERO=m
+# CONFIG_USB_AUDIO is not set
 CONFIG_USB_ETH=m
 CONFIG_USB_ETH_RNDIS=y
+# CONFIG_USB_ETH_EEM is not set
 CONFIG_USB_GADGETFS=m
 CONFIG_USB_FILE_STORAGE=m
 # CONFIG_USB_FILE_STORAGE_TEST is not set
+# CONFIG_USB_MASS_STORAGE is not set
 CONFIG_USB_G_SERIAL=m
 CONFIG_USB_MIDI_GADGET=m
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_USB_G_NOKIA is not set
+# CONFIG_USB_G_MULTI is not set
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_NOP_USB_XCEIV is not set
+# CONFIG_UWB is not set
 CONFIG_MMC=m
 # CONFIG_MMC_DEBUG is not set
 # CONFIG_MMC_UNSAFE_RESUME is not set
 
 #
-# MMC/SD Card Drivers
+# MMC/SD/SDIO Card Drivers
 #
 CONFIG_MMC_BLOCK=m
 CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
 
 #
-# MMC/SD Host Controller Drivers
+# MMC/SD/SDIO Host Controller Drivers
 #
 CONFIG_MMC_SDHCI=m
+# CONFIG_MMC_SDHCI_PCI is not set
+# CONFIG_MMC_SDHCI_PLTFM is not set
 CONFIG_MMC_TIFM_SD=m
+# CONFIG_MMC_SDRICOH_CS is not set
+# CONFIG_MMC_CB710 is not set
+# CONFIG_MMC_VIA_SDMMC is not set
+# CONFIG_MEMSTICK is not set
 CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=m
+CONFIG_LEDS_CLASS=y
 
 #
 # LED drivers
 #
+# CONFIG_LEDS_PCA9532 is not set
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_GPIO_PLATFORM=y
+# CONFIG_LEDS_LP3944 is not set
+# CONFIG_LEDS_PCA955X is not set
+# CONFIG_LEDS_BD2802 is not set
+# CONFIG_LEDS_LT3593 is not set
+CONFIG_LEDS_TRIGGERS=y
 
 #
 # LED Triggers
 #
-# CONFIG_LEDS_TRIGGERS is not set
-CONFIG_INFINIBAND=m
-CONFIG_INFINIBAND_USER_MAD=m
-CONFIG_INFINIBAND_USER_ACCESS=m
-CONFIG_INFINIBAND_USER_MEM=y
-CONFIG_INFINIBAND_ADDR_TRANS=y
-CONFIG_INFINIBAND_MTHCA=m
-CONFIG_INFINIBAND_MTHCA_DEBUG=y
-CONFIG_INFINIBAND_AMSO1100=m
-CONFIG_INFINIBAND_AMSO1100_DEBUG=y
-# CONFIG_MLX4_INFINIBAND is not set
-CONFIG_INFINIBAND_IPOIB=m
-# CONFIG_INFINIBAND_IPOIB_CM is not set
-CONFIG_INFINIBAND_IPOIB_DEBUG=y
-# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set
-CONFIG_INFINIBAND_SRP=m
-CONFIG_INFINIBAND_ISER=m
-CONFIG_RTC_LIB=m
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
+# CONFIG_LEDS_TRIGGER_GPIO is not set
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+
+#
+# iptables trigger is under Netfilter config (LED target)
+#
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_INFINIBAND is not set
+CONFIG_RTC_LIB=y
 CONFIG_RTC_CLASS=m
 
 #
@@ -2712,6 +2159,7 @@ CONFIG_RTC_DRV_TEST=m
 # I2C RTC drivers
 #
 CONFIG_RTC_DRV_DS1307=m
+# CONFIG_RTC_DRV_DS1374 is not set
 CONFIG_RTC_DRV_DS1672=m
 # CONFIG_RTC_DRV_MAX6900 is not set
 CONFIG_RTC_DRV_RS5C372=m
@@ -2720,48 +2168,45 @@ CONFIG_RTC_DRV_X1205=m
 CONFIG_RTC_DRV_PCF8563=m
 CONFIG_RTC_DRV_PCF8583=m
 # CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_BQ32K is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
 #
-CONFIG_RTC_DRV_RS5C348=m
-CONFIG_RTC_DRV_MAX6902=m
 
 #
 # Platform RTC drivers
 #
 # CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
 CONFIG_RTC_DRV_DS1553=m
-# CONFIG_RTC_DRV_STK17TA8 is not set
 CONFIG_RTC_DRV_DS1742=m
+# CONFIG_RTC_DRV_STK17TA8 is not set
 CONFIG_RTC_DRV_M48T86=m
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
 CONFIG_RTC_DRV_V3020=m
 
 #
 # on-CPU RTC drivers
 #
-
-#
-# DMA Engine support
-#
-CONFIG_DMA_ENGINE=y
-
-#
-# DMA Clients
-#
-CONFIG_NET_DMA=y
-
-#
-# DMA Devices
-#
-CONFIG_INTEL_IOATDMA=m
+# CONFIG_RTC_DRV_AU1XXX is not set
+# CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
 
 #
-# Userspace I/O
+# TI VLYNQ
 #
-# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -2772,44 +2217,43 @@ CONFIG_EXT2_FS_POSIX_ACL=y
 CONFIG_EXT2_FS_SECURITY=y
 # CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=m
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
 CONFIG_EXT3_FS_XATTR=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 CONFIG_EXT3_FS_SECURITY=y
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=m
 # CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=m
-CONFIG_REISERFS_FS=m
-# CONFIG_REISERFS_CHECK is not set
-# CONFIG_REISERFS_PROC_INFO is not set
-CONFIG_REISERFS_FS_XATTR=y
-CONFIG_REISERFS_FS_POSIX_ACL=y
-CONFIG_REISERFS_FS_SECURITY=y
-CONFIG_JFS_FS=m
-CONFIG_JFS_POSIX_ACL=y
-CONFIG_JFS_SECURITY=y
-# CONFIG_JFS_DEBUG is not set
-CONFIG_JFS_STATISTICS=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
-CONFIG_XFS_FS=m
-CONFIG_XFS_QUOTA=y
-CONFIG_XFS_SECURITY=y
-CONFIG_XFS_POSIX_ACL=y
-CONFIG_XFS_RT=y
+# CONFIG_XFS_FS is not set
 # CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-CONFIG_MINIX_FS=m
-CONFIG_ROMFS_FS=m
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 CONFIG_QUOTA=y
-CONFIG_QFMT_V1=m
-CONFIG_QFMT_V2=m
+# CONFIG_QUOTA_NETLINK_INTERFACE is not set
+CONFIG_PRINT_QUOTA_WARNING=y
+# CONFIG_QUOTA_DEBUG is not set
+# CONFIG_QFMT_V1 is not set
+# CONFIG_QFMT_V2 is not set
 CONFIG_QUOTACTL=y
-CONFIG_DNOTIFY=y
-CONFIG_AUTOFS_FS=m
-CONFIG_AUTOFS4_FS=m
+# CONFIG_AUTOFS_FS is not set
+CONFIG_AUTOFS4_FS=y
 CONFIG_FUSE_FS=m
+# CONFIG_CUSE is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
 
 #
 # CD-ROM/DVD Filesystems
@@ -2838,73 +2282,79 @@ CONFIG_NTFS_FS=m
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 CONFIG_CONFIGFS_FS=m
-
-#
-# Miscellaneous filesystems
-#
-CONFIG_ADFS_FS=m
-# CONFIG_ADFS_FS_RW is not set
-CONFIG_AFFS_FS=m
-CONFIG_ECRYPT_FS=m
-CONFIG_HFS_FS=m
-CONFIG_HFSPLUS_FS=m
-CONFIG_BEFS_FS=m
-# CONFIG_BEFS_DEBUG is not set
-CONFIG_BFS_FS=m
-CONFIG_EFS_FS=m
-CONFIG_JFFS2_FS=m
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_ECRYPT_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
 CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
 # CONFIG_JFFS2_SUMMARY is not set
-# CONFIG_JFFS2_FS_XATTR is not set
-# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_FS_XATTR=y
+CONFIG_JFFS2_FS_POSIX_ACL=y
+CONFIG_JFFS2_FS_SECURITY=y
+CONFIG_JFFS2_COMPRESSION_OPTIONS=y
 CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
+# CONFIG_JFFS2_CMODE_NONE is not set
+CONFIG_JFFS2_CMODE_PRIORITY=y
+# CONFIG_JFFS2_CMODE_SIZE is not set
+# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
-CONFIG_VXFS_FS=m
-CONFIG_HPFS_FS=m
-CONFIG_QNX4FS_FS=m
-CONFIG_SYSV_FS=m
-CONFIG_UFS_FS=m
-# CONFIG_UFS_FS_WRITE is not set
-# CONFIG_UFS_DEBUG is not set
-
-#
-# Network File Systems
-#
+CONFIG_SQUASHFS=y
+# CONFIG_SQUASHFS_EMBEDDED is not set
+CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=m
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 CONFIG_NFS_V4=y
-CONFIG_NFS_DIRECTIO=y
+# CONFIG_NFS_V4_1 is not set
 CONFIG_NFSD=m
 CONFIG_NFSD_V3=y
 # CONFIG_NFSD_V3_ACL is not set
 CONFIG_NFSD_V4=y
-CONFIG_NFSD_TCP=y
 CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=m
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
 CONFIG_SUNRPC_GSS=m
-# CONFIG_SUNRPC_BIND34 is not set
 CONFIG_RPCSEC_GSS_KRB5=m
 CONFIG_RPCSEC_GSS_SPKM3=m
 CONFIG_SMB_FS=m
 # CONFIG_SMB_NLS_DEFAULT is not set
+# CONFIG_CEPH_FS is not set
 CONFIG_CIFS=m
 # CONFIG_CIFS_STATS is not set
 # CONFIG_CIFS_WEAK_PW_HASH is not set
+# CONFIG_CIFS_UPCALL is not set
 # CONFIG_CIFS_XATTR is not set
 # CONFIG_CIFS_DEBUG2 is not set
+# CONFIG_CIFS_DFS_UPCALL is not set
 # CONFIG_CIFS_EXPERIMENTAL is not set
 CONFIG_NCP_FS=m
 CONFIG_NCPFS_PACKET_SIGNING=y
@@ -2916,7 +2366,6 @@ CONFIG_NCPFS_OS2_NS=y
 CONFIG_NCPFS_NLS=y
 CONFIG_NCPFS_EXTRAS=y
 CONFIG_CODA_FS=m
-# CONFIG_CODA_FS_OLD_API is not set
 CONFIG_AFS_FS=m
 # CONFIG_AFS_DEBUG is not set
 
@@ -2948,10 +2397,6 @@ CONFIG_SUN_PARTITION=y
 CONFIG_KARMA_PARTITION=y
 CONFIG_EFI_PARTITION=y
 # CONFIG_SYSV68_PARTITION is not set
-
-#
-# Native Language Support
-#
 CONFIG_NLS=y
 CONFIG_NLS_DEFAULT="cp437"
 CONFIG_NLS_CODEPAGE_437=m
@@ -2992,118 +2437,179 @@ CONFIG_NLS_ISO8859_15=m
 CONFIG_NLS_KOI8_R=m
 CONFIG_NLS_KOI8_U=m
 CONFIG_NLS_UTF8=m
-
-#
-# Distributed Lock Manager
-#
-CONFIG_DLM=m
-# CONFIG_DLM_DEBUG is not set
-
-#
-# Profiling support
-#
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=m
+# CONFIG_DLM is not set
 
 #
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 # CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
-# CONFIG_DEBUG_FS is not set
+CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
-CONFIG_CROSSCOMPILE=y
+# CONFIG_DEBUG_MEMORY_INIT is not set
+CONFIG_RCU_CPU_STALL_DETECTOR=y
+# CONFIG_LKDTM is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_RING_BUFFER=y
+CONFIG_RING_BUFFER_ALLOW_SWAP=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_EARLY_PRINTK=y
 # CONFIG_CMDLINE_BOOL is not set
+# CONFIG_SPINLOCK_TEST is not set
 
 #
 # Security options
 #
 CONFIG_KEYS=y
 # CONFIG_KEYS_DEBUG_PROC_KEYS is not set
-CONFIG_SECURITY=y
-CONFIG_SECURITY_NETWORK=y
-# CONFIG_SECURITY_NETWORK_XFRM is not set
-CONFIG_SECURITY_CAPABILITIES=m
-CONFIG_SECURITY_ROOTPLUG=m
-CONFIG_SECURITY_SELINUX=y
-CONFIG_SECURITY_SELINUX_BOOTPARAM=y
-CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0
-CONFIG_SECURITY_SELINUX_DISABLE=y
-CONFIG_SECURITY_SELINUX_DEVELOP=y
-CONFIG_SECURITY_SELINUX_AVC_STATS=y
-CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
-# CONFIG_SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT is not set
-# CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set
-CONFIG_XOR_BLOCKS=m
-CONFIG_ASYNC_CORE=m
-CONFIG_ASYNC_MEMCPY=m
-CONFIG_ASYNC_XOR=m
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_AEAD2=y
 CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_BLKCIPHER2=y
 CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG=m
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
 CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+# CONFIG_CRYPTO_GF128MUL is not set
+CONFIG_CRYPTO_NULL=m
+CONFIG_CRYPTO_WORKQUEUE=y
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=m
+CONFIG_CRYPTO_TEST=m
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=m
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
 CONFIG_CRYPTO_HMAC=y
 # CONFIG_CRYPTO_XCBC is not set
-CONFIG_CRYPTO_NULL=m
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
+# CONFIG_CRYPTO_GHASH is not set
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MICHAEL_MIC=m
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=m
 CONFIG_CRYPTO_SHA256=m
 CONFIG_CRYPTO_SHA512=m
-CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_TGR192=m
-# CONFIG_CRYPTO_GF128MUL is not set
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_CBC=m
-CONFIG_CRYPTO_PCBC=m
-# CONFIG_CRYPTO_LRW is not set
-# CONFIG_CRYPTO_CRYPTD is not set
-CONFIG_CRYPTO_DES=m
-# CONFIG_CRYPTO_FCRYPT is not set
-CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_TWOFISH_COMMON=m
-CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_WP512=m
+
+#
+# Ciphers
+#
 CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_BLOWFISH=m
+# CONFIG_CRYPTO_CAMELLIA is not set
 CONFIG_CRYPTO_CAST5=m
 CONFIG_CRYPTO_CAST6=m
-CONFIG_CRYPTO_TEA=m
-CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_DES=m
+# CONFIG_CRYPTO_FCRYPT is not set
 CONFIG_CRYPTO_KHAZAD=m
-CONFIG_CRYPTO_ANUBIS=m
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_TWOFISH_COMMON=m
+
+#
+# Compression
+#
 CONFIG_CRYPTO_DEFLATE=m
-CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_CRC32C=m
-# CONFIG_CRYPTO_CAMELLIA is not set
-CONFIG_CRYPTO_TEST=m
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+CONFIG_CRYPTO_ANSI_CPRNG=m
 CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 CONFIG_CRC16=m
-# CONFIG_CRC_ITU_T is not set
+# CONFIG_CRC_T10DIF is not set
+CONFIG_CRC_ITU_T=m
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 CONFIG_LIBCRC32C=m
 CONFIG_AUDIT_GENERIC=y
 CONFIG_ZLIB_INFLATE=y
-CONFIG_ZLIB_DEFLATE=m
-CONFIG_REED_SOLOMON=m
-CONFIG_REED_SOLOMON_DEC16=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_TEXTSEARCH=y
 CONFIG_TEXTSEARCH_KMP=m
 CONFIG_TEXTSEARCH_BM=m
 CONFIG_TEXTSEARCH_FSM=m
-CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
-CONFIG_CHECK_SIGNATURE=y
+CONFIG_NLATTR=y

From 3e1bf29f73ccb31b99215476b0278f477db1a247 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Tue, 4 May 2010 10:38:57 +0200
Subject: [PATCH 2642/3638] MIPS: BCM63xx: Avoid namespace clash on
 GPIO_DIR_{IN,OUT}

This is too generic a name, so prefix it with BCM63XX_ to avoid potential
namespace clashes when including <asm/gpio.h>.

Signed-off-by: Florian Fainelli <ffainelli@freebox.fr>
To:     linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1171/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/bcm63xx/gpio.c                          | 6 +++---
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/mips/bcm63xx/gpio.c b/arch/mips/bcm63xx/gpio.c
index 315bc7f79ce..f560fe7d38d 100644
--- a/arch/mips/bcm63xx/gpio.c
+++ b/arch/mips/bcm63xx/gpio.c
@@ -91,7 +91,7 @@ static int bcm63xx_gpio_set_direction(struct gpio_chip *chip,
 
 	spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
 	tmp = bcm_gpio_readl(reg);
-	if (dir == GPIO_DIR_IN)
+	if (dir == BCM63XX_GPIO_DIR_IN)
 		tmp &= ~mask;
 	else
 		tmp |= mask;
@@ -103,14 +103,14 @@ static int bcm63xx_gpio_set_direction(struct gpio_chip *chip,
 
 static int bcm63xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
 {
-	return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_IN);
+	return bcm63xx_gpio_set_direction(chip, gpio, BCM63XX_GPIO_DIR_IN);
 }
 
 static int bcm63xx_gpio_direction_output(struct gpio_chip *chip,
 					 unsigned gpio, int value)
 {
 	bcm63xx_gpio_set(chip, gpio, value);
-	return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_OUT);
+	return bcm63xx_gpio_set_direction(chip, gpio, BCM63XX_GPIO_DIR_OUT);
 }
 
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
index 43d4da0b1e9..3999ec0aa7f 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -20,7 +20,7 @@ static inline unsigned long bcm63xx_gpio_count(void)
 	}
 }
 
-#define GPIO_DIR_OUT	0x0
-#define GPIO_DIR_IN	0x1
+#define BCM63XX_GPIO_DIR_OUT	0x0
+#define BCM63XX_GPIO_DIR_IN	0x1
 
 #endif /* !BCM63XX_GPIO_H */

From 9c1b013a3951671e219c32ca056fc07381a9e113 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Tue, 11 May 2010 11:20:09 +0200
Subject: [PATCH 2643/3638] MIPS: AR7: use ar7_has_high_vlynq() to determine
 watchdog base address

Instead of doing yet another switch/case on the chip_id, use existing
inline function to set the watchdog base address.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1211/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/ar7/platform.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c
index 2fafc78e5ce..1d4a466ccb6 100644
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -576,7 +576,6 @@ static int __init ar7_register_devices(void)
 {
 	void __iomem *bootcr;
 	u32 val;
-	u16 chip_id;
 	int res;
 
 	res = ar7_register_uarts();
@@ -635,18 +634,10 @@ static int __init ar7_register_devices(void)
 	val = readl(bootcr);
 	iounmap(bootcr);
 	if (val & AR7_WDT_HW_ENA) {
-		chip_id = ar7_chip_id();
-		switch (chip_id) {
-		case AR7_CHIP_7100:
-		case AR7_CHIP_7200:
-			ar7_wdt_res.start = AR7_REGS_WDT;
-			break;
-		case AR7_CHIP_7300:
+		if (ar7_has_high_vlynq())
 			ar7_wdt_res.start = UR8_REGS_WDT;
-			break;
-		default:
-			break;
-		}
+		else
+			ar7_wdt_res.start = AR7_REGS_WDT;
 
 		ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
 		res = platform_device_register(&ar7_wdt);

From 142a2ceea793b4d134757c226daeb4101d649df0 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Tue, 11 May 2010 11:20:14 +0200
Subject: [PATCH 2644/3638] MIPS: AR7: prevent race between clock
 initialization and devices registration

ar7_regiser_devices needs ar7_clocks_init to have been called first,
however clock.o is currently linked later due to its order in the Makefile,
therefore ar7_clocks_init always gets called later than ar7_register_devices
because both have the same initcall level. Fix this by moving
ar7_register_devices to the right initcall level.

Reported-by: Michael J. Evans <mjevans1983@gmail.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
To: linux-mips@linux-mips.org
Cc: Ralf Baechle <ralf@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1212/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/ar7/platform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c
index 1d4a466ccb6..566f2d7f2ea 100644
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -647,4 +647,4 @@ static int __init ar7_register_devices(void)
 
 	return 0;
 }
-arch_initcall(ar7_register_devices);
+device_initcall(ar7_register_devices);

From 1dd5216e80318b4cb25c1785f5d11a6f042f0a3b Mon Sep 17 00:00:00 2001
From: David Daney <ddaney@caviumnetworks.com>
Date: Wed, 19 May 2010 14:16:31 -0700
Subject: [PATCH 2645/3638] MIPS: Octeon: Get rid of early serial.

Get rid of early_serial_setup, we use CONFIG_EARLY_PRINTK instead.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1254/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/cavium-octeon/setup.c | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 9a06fa9f9f0..44cb20cd3bd 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -403,7 +403,6 @@ void __init prom_init(void)
 	const int coreid = cvmx_get_core_num();
 	int i;
 	int argc;
-	struct uart_port octeon_port;
 #ifdef CONFIG_CAVIUM_RESERVE32
 	int64_t addr = -1;
 #endif
@@ -610,30 +609,6 @@ void __init prom_init(void)
 	_machine_restart = octeon_restart;
 	_machine_halt = octeon_halt;
 
-	memset(&octeon_port, 0, sizeof(octeon_port));
-	/*
-	 * For early_serial_setup we don't set the port type or
-	 * UPF_FIXED_TYPE.
-	 */
-	octeon_port.flags = ASYNC_SKIP_TEST | UPF_SHARE_IRQ;
-	octeon_port.iotype = UPIO_MEM;
-	/* I/O addresses are every 8 bytes */
-	octeon_port.regshift = 3;
-	/* Clock rate of the chip */
-	octeon_port.uartclk = mips_hpt_frequency;
-	octeon_port.fifosize = 64;
-	octeon_port.mapbase = 0x0001180000000800ull + (1024 * octeon_uart);
-	octeon_port.membase = cvmx_phys_to_ptr(octeon_port.mapbase);
-	octeon_port.serial_in = octeon_serial_in;
-	octeon_port.serial_out = octeon_serial_out;
-#ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL
-	octeon_port.line = 0;
-#else
-	octeon_port.line = octeon_uart;
-#endif
-	octeon_port.irq = 42 + octeon_uart;
-	early_serial_setup(&octeon_port);
-
 	octeon_user_io_init();
 	register_smp_ops(&octeon_smp_ops);
 }

From 606c958e2857d29106b8d3b2fc30e22f376c80c5 Mon Sep 17 00:00:00 2001
From: David Daney <ddaney@caviumnetworks.com>
Date: Wed, 19 May 2010 14:16:32 -0700
Subject: [PATCH 2646/3638] MIPS: Octeon: Serial port fixes for OCTEON
 simulator.

For the simulator, fake a slow clock to get fast output.

In prom_putchar we have to mask the value so the simulator doesn't
ASSERT when printing non-ASCII characters.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1255/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/cavium-octeon/serial.c | 6 +++++-
 arch/mips/cavium-octeon/setup.c  | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/mips/cavium-octeon/serial.c b/arch/mips/cavium-octeon/serial.c
index 8240728d485..83eac37a1ff 100644
--- a/arch/mips/cavium-octeon/serial.c
+++ b/arch/mips/cavium-octeon/serial.c
@@ -65,7 +65,11 @@ static void __init octeon_uart_set_common(struct plat_serial8250_port *p)
 	p->type = PORT_OCTEON;
 	p->iotype = UPIO_MEM;
 	p->regshift = 3;	/* I/O addresses are every 8 bytes */
-	p->uartclk = mips_hpt_frequency;
+	if (octeon_is_simulation())
+		/* Make simulator output fast*/
+		p->uartclk = 115200 * 16;
+	else
+		p->uartclk = mips_hpt_frequency;
 	p->serial_in = octeon_serial_in;
 	p->serial_out = octeon_serial_out;
 }
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 44cb20cd3bd..d1b5ffaf028 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -702,7 +702,7 @@ int prom_putchar(char c)
 	} while ((lsrval & 0x20) == 0);
 
 	/* Write the byte */
-	cvmx_write_csr(CVMX_MIO_UARTX_THR(octeon_uart), c);
+	cvmx_write_csr(CVMX_MIO_UARTX_THR(octeon_uart), c & 0xffull);
 	return 1;
 }
 

From 0453fb3c528c5eb3483441a466b24a4cb409eec5 Mon Sep 17 00:00:00 2001
From: David Daney <ddaney@caviumnetworks.com>
Date: Fri, 14 May 2010 12:44:18 -0700
Subject: [PATCH 2647/3638] MIPS: Use GCC __builtin_prefetch() to implement
 prefetch().

GCC's __builtin_prefetch() was introduced a long time ago, all
supported GCC versions have it.  Lets do what the big boys up in
linux/prefetch.h do, except we use '1' as the third parameter to
provoke 'PREF 0,...'  and 'PREF 1,...' instead of other prefetch
hints.

This allows for better code generation.  In theory the existing
embedded asm could be optimized, but the compiler has these builtins,
so there is really no point.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1235/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/include/asm/processor.h | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index ab387910009..5d33b727acf 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -344,16 +344,10 @@ unsigned long get_wchan(struct task_struct *p);
 #ifdef CONFIG_CPU_HAS_PREFETCH
 
 #define ARCH_HAS_PREFETCH
+#define prefetch(x) __builtin_prefetch((x), 0, 1)
 
-static inline void prefetch(const void *addr)
-{
-	__asm__ __volatile__(
-	"	.set	mips4		\n"
-	"	pref	%0, (%1)	\n"
-	"	.set	mips0		\n"
-	:
-	: "i" (Pref_Load), "r" (addr));
-}
+#define ARCH_HAS_PREFETCHW
+#define prefetchw(x) __builtin_prefetch((x), 1, 1)
 
 #endif
 

From 3322340a9db2251ac9d09bc7b8d49e872298ae95 Mon Sep 17 00:00:00 2001
From: Felix Radensky <felix@embedded-sol.com>
Date: Sun, 28 Mar 2010 16:02:02 +0300
Subject: [PATCH 2648/3638] PCI: Allow manual resource allocation for PCI
 hotplug bridges

At the moment only PCI-E briges can be flagged as hotplug, thus
allowing manual resource preallocation via pci=hpmemsize=nnM and
pci=hpiosize=nnM kernel parameters. Some PCI hotplug bridges, e.g.
PLX 6254 can also benefit from this functionalily, as kernel fails
to properly allocate their resources when hotplug device is added
and PCI bus is rescanned.

This patch adds header quirk for PLX 6254 that marks this bridge
as hotplug. Other PCI bridges with similar problems can use it
as well.

Signed-off-by: Felix Radensky <felix@embedded-sol.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/quirks.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e5861d5a2e4..b7512cf08c5 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2554,6 +2554,19 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1518, quirk_i82576_sriov);
 
 #endif	/* CONFIG_PCI_IOV */
 
+/* Allow manual resource allocation for PCI hotplug bridges
+ * via pci=hpmemsize=nnM and pci=hpiosize=nnM parameters. For
+ * some PCI-PCI hotplug bridges, like PLX 6254 (former HINT HB6),
+ * kernel fails to allocate resources when hotplug device is 
+ * inserted and PCI bus is rescanned.
+ */
+static void __devinit quirk_hotplug_bridge(struct pci_dev *dev)
+{
+	dev->is_hotplug_bridge = 1;
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_HINT, 0x0020, quirk_hotplug_bridge);
+
 /*
  * This is a quirk for the Ricoh MMC controller found as a part of
  * some mulifunction chips.

From 3f6ea84a3035cc0ef7488f8e93bc76766799e082 Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Thu, 1 Apr 2010 11:43:30 -0700
Subject: [PATCH 2649/3638] PCI: read memory ranges out of Broadcom CNB20LE
 host bridge

Read the memory ranges behind the Broadcom CNB20LE host bridge out of the
hardware. This allows PCI hotplugging to work, since we know which memory
range to allocate PCI BAR's from.

The x86 PCI code automatically prefers the ACPI _CRS information when it is
available. In that case, this information is not used.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 arch/x86/Kconfig            |   8 +++
 arch/x86/pci/Makefile       |   2 +
 arch/x86/pci/broadcom_bus.c | 101 ++++++++++++++++++++++++++++++++++++
 3 files changed, 111 insertions(+)
 create mode 100644 arch/x86/pci/broadcom_bus.c

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 9458685902b..677b87d60a3 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1931,6 +1931,14 @@ config PCI_MMCONFIG
 	bool "Support mmconfig PCI config space access"
 	depends on X86_64 && PCI && ACPI
 
+config PCI_CNB20LE_QUIRK
+	bool "Read CNB20LE Host Bridge Windows"
+	depends on PCI
+	help
+	  Read the PCI windows out of the CNB20LE host bridge. This allows
+	  PCI hotplug to work on systems with the CNB20LE chipset which do
+	  not have ACPI.
+
 config DMAR
 	bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
 	depends on PCI_MSI && ACPI && EXPERIMENTAL
diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
index b110d97fb92..a0207a7fdf3 100644
--- a/arch/x86/pci/Makefile
+++ b/arch/x86/pci/Makefile
@@ -18,6 +18,8 @@ obj-$(CONFIG_X86_MRST)		+= mrst.o
 obj-y				+= common.o early.o
 obj-y				+= amd_bus.o bus_numa.o
 
+obj-$(CONFIG_PCI_CNB20LE_QUIRK)	+= broadcom_bus.o
+
 ifeq ($(CONFIG_PCI_DEBUG),y)
 EXTRA_CFLAGS += -DDEBUG
 endif
diff --git a/arch/x86/pci/broadcom_bus.c b/arch/x86/pci/broadcom_bus.c
new file mode 100644
index 00000000000..0846a5bbbfb
--- /dev/null
+++ b/arch/x86/pci/broadcom_bus.c
@@ -0,0 +1,101 @@
+/*
+ * Read address ranges from a Broadcom CNB20LE Host Bridge
+ *
+ * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/delay.h>
+#include <linux/dmi.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <asm/pci_x86.h>
+
+#include "bus_numa.h"
+
+static void __devinit cnb20le_res(struct pci_dev *dev)
+{
+	struct pci_root_info *info;
+	struct resource res;
+	u16 word1, word2;
+	u8 fbus, lbus;
+	int i;
+
+	/*
+	 * The x86_pci_root_bus_res_quirks() function already refuses to use
+	 * this information if ACPI _CRS was used. Therefore, we don't bother
+	 * checking if ACPI is enabled, and just generate the information
+	 * for both the ACPI _CRS and no ACPI cases.
+	 */
+
+	info = &pci_root_info[pci_root_num];
+	pci_root_num++;
+
+	/* read the PCI bus numbers */
+	pci_read_config_byte(dev, 0x44, &fbus);
+	pci_read_config_byte(dev, 0x45, &lbus);
+	info->bus_min = fbus;
+	info->bus_max = lbus;
+
+	/*
+	 * Add the legacy IDE ports on bus 0
+	 *
+	 * These do not exist anywhere in the bridge registers, AFAICT. I do
+	 * not have the datasheet, so this is the best I can do.
+	 */
+	if (fbus == 0) {
+		update_res(info, 0x01f0, 0x01f7, IORESOURCE_IO, 0);
+		update_res(info, 0x03f6, 0x03f6, IORESOURCE_IO, 0);
+		update_res(info, 0x0170, 0x0177, IORESOURCE_IO, 0);
+		update_res(info, 0x0376, 0x0376, IORESOURCE_IO, 0);
+		update_res(info, 0xffa0, 0xffaf, IORESOURCE_IO, 0);
+	}
+
+	/* read the non-prefetchable memory window */
+	pci_read_config_word(dev, 0xc0, &word1);
+	pci_read_config_word(dev, 0xc2, &word2);
+	if (word1 != word2) {
+		res.start = (word1 << 16) | 0x0000;
+		res.end   = (word2 << 16) | 0xffff;
+		res.flags = IORESOURCE_MEM;
+		update_res(info, res.start, res.end, res.flags, 0);
+	}
+
+	/* read the prefetchable memory window */
+	pci_read_config_word(dev, 0xc4, &word1);
+	pci_read_config_word(dev, 0xc6, &word2);
+	if (word1 != word2) {
+		res.start = (word1 << 16) | 0x0000;
+		res.end   = (word2 << 16) | 0xffff;
+		res.flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
+		update_res(info, res.start, res.end, res.flags, 0);
+	}
+
+	/* read the IO port window */
+	pci_read_config_word(dev, 0xd0, &word1);
+	pci_read_config_word(dev, 0xd2, &word2);
+	if (word1 != word2) {
+		res.start = word1;
+		res.end   = word2;
+		res.flags = IORESOURCE_IO;
+		update_res(info, res.start, res.end, res.flags, 0);
+	}
+
+	/* print information about this host bridge */
+	res.start = fbus;
+	res.end   = lbus;
+	res.flags = IORESOURCE_BUS;
+	dev_info(&dev->dev, "CNB20LE PCI Host Bridge (domain %04x %pR)\n",
+			    pci_domain_nr(dev->bus), &res);
+
+	for (i = 0; i < info->res_num; i++)
+		dev_info(&dev->dev, "host bridge window %pR\n", &info->res[i]);
+}
+
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_LE,
+			cnb20le_res);
+

From ac81860ea073daed50246af54db706c6e491f240 Mon Sep 17 00:00:00 2001
From: Praveen Kalamegham <praveen@nextio.com>
Date: Wed, 19 May 2010 17:03:12 -0500
Subject: [PATCH 2650/3638] PCI: hotplug: pciehp: Removed check for hotplug of
 display devices

Removed check to prevent hotplug of display devices within pciehp.
Originally this was thought to have been required within the PCI
Hotplug specification for some legacy devices.  However there is
no such requirement in the most recent revision. The check prevents
hotplug of not only display devices but also computational GPUs
which require serviceability.

Signed-off-by: Praveen Kalamegham <praveen@nextio.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp_pci.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index 0a16444c14c..2fce726758d 100644
--- a/drivers/pci/hotplug/pciehp_pci.c
+++ b/drivers/pci/hotplug/pciehp_pci.c
@@ -84,12 +84,6 @@ int pciehp_configure_device(struct slot *p_slot)
 		dev = pci_get_slot(parent, PCI_DEVFN(0, fn));
 		if (!dev)
 			continue;
-		if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
-			ctrl_err(ctrl, "Cannot hot-add display device %s\n",
-				 pci_name(dev));
-			pci_dev_put(dev);
-			continue;
-		}
 		if ((dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) ||
 				(dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)) {
 			pciehp_add_bridge(dev);
@@ -133,15 +127,9 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 		presence = 0;
 
 	for (j = 0; j < 8; j++) {
-		struct pci_dev* temp = pci_get_slot(parent, PCI_DEVFN(0, j));
+		struct pci_dev *temp = pci_get_slot(parent, PCI_DEVFN(0, j));
 		if (!temp)
 			continue;
-		if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
-			ctrl_err(ctrl, "Cannot remove display device %s\n",
-				 pci_name(temp));
-			pci_dev_put(temp);
-			continue;
-		}
 		if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE && presence) {
 			pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, &bctl);
 			if (bctl & PCI_BRIDGE_CTL_VGA) {
@@ -149,7 +137,8 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 					 "Cannot remove display device %s\n",
 					 pci_name(temp));
 				pci_dev_put(temp);
-				continue;
+				rc = EINVAL;
+				break;
 			}
 		}
 		pci_remove_bus_device(temp);

From c56e4acf55c804cbeea0ddb696ef698c73d39826 Mon Sep 17 00:00:00 2001
From: Sripathi Kodi <sripathik@in.ibm.com>
Date: Thu, 25 Mar 2010 12:40:35 +0000
Subject: [PATCH 2651/3638] 9p: VFS switches for 9p2000.L: protocol and client
 changes

Prepare p9pdu_read/write functions to handle multiple protocols.

Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/client.c   | 3 ++-
 net/9p/protocol.c | 6 ++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/9p/client.c b/net/9p/client.c
index 0aa79faa985..e2d31467496 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1321,7 +1321,8 @@ static int p9_client_statsize(struct p9_wstat *wst, int proto_version)
 	if (wst->muid)
 		ret += strlen(wst->muid);
 
-	if (proto_version == p9_proto_2000u) {
+	if ((proto_version == p9_proto_2000u) ||
+		(proto_version == p9_proto_2000L)) {
 		ret += 2+4+4+4;	/* extension[s] n_uid[4] n_gid[4] n_muid[4] */
 		if (wst->extension)
 			ret += strlen(wst->extension);
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index e7541d5b011..77d3aab4036 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -341,7 +341,8 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
 			}
 			break;
 		case '?':
-			if (proto_version != p9_proto_2000u)
+			if ((proto_version != p9_proto_2000u) &&
+				(proto_version != p9_proto_2000L))
 				return 0;
 			break;
 		default:
@@ -488,7 +489,8 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
 			}
 			break;
 		case '?':
-			if (proto_version != p9_proto_2000u)
+			if ((proto_version != p9_proto_2000u) &&
+				(proto_version != p9_proto_2000L))
 				return 0;
 			break;
 		default:

From 9b6533c9b331ddbba9a40c972d82222ecffbc359 Mon Sep 17 00:00:00 2001
From: Sripathi Kodi <sripathik@in.ibm.com>
Date: Thu, 25 Mar 2010 12:41:54 +0000
Subject: [PATCH 2652/3638] 9p: VFS switches for 9p2000.L: VFS switches

Implements VFS switches for 9p2000.L protocol.

Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/v9fs_vfs.h  |  2 ++
 fs/9p/vfs_dir.c   |  8 ++++++
 fs/9p/vfs_file.c  | 11 ++++++++
 fs/9p/vfs_inode.c | 71 +++++++++++++++++++++++++++++++++++++++--------
 fs/9p/vfs_super.c | 18 ++++++++++--
 5 files changed, 97 insertions(+), 13 deletions(-)

diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index ed835836e0d..32ef4009d03 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -40,7 +40,9 @@
 extern struct file_system_type v9fs_fs_type;
 extern const struct address_space_operations v9fs_addr_operations;
 extern const struct file_operations v9fs_file_operations;
+extern const struct file_operations v9fs_file_operations_dotl;
 extern const struct file_operations v9fs_dir_operations;
+extern const struct file_operations v9fs_dir_operations_dotl;
 extern const struct dentry_operations v9fs_dentry_operations;
 extern const struct dentry_operations v9fs_cached_dentry_operations;
 
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 0adfd64dfce..d61e3b28ce3 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -203,3 +203,11 @@ const struct file_operations v9fs_dir_operations = {
 	.open = v9fs_file_open,
 	.release = v9fs_dir_release,
 };
+
+const struct file_operations v9fs_dir_operations_dotl = {
+	.read = generic_read_dir,
+	.llseek = generic_file_llseek,
+	.readdir = v9fs_dir_readdir,
+	.open = v9fs_file_open,
+	.release = v9fs_dir_release,
+};
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index df52d488d2a..25b300e1c9d 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -296,3 +296,14 @@ const struct file_operations v9fs_file_operations = {
 	.mmap = generic_file_readonly_mmap,
 	.fsync = v9fs_file_fsync,
 };
+
+const struct file_operations v9fs_file_operations_dotl = {
+	.llseek = generic_file_llseek,
+	.read = v9fs_file_read,
+	.write = v9fs_file_write,
+	.open = v9fs_file_open,
+	.release = v9fs_dir_release,
+	.lock = v9fs_file_lock,
+	.mmap = generic_file_readonly_mmap,
+	.fsync = v9fs_file_fsync,
+};
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index f2434fc9d2c..13a8ed6088b 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -44,9 +44,12 @@
 #include "cache.h"
 
 static const struct inode_operations v9fs_dir_inode_operations;
-static const struct inode_operations v9fs_dir_inode_operations_ext;
+static const struct inode_operations v9fs_dir_inode_operations_dotu;
+static const struct inode_operations v9fs_dir_inode_operations_dotl;
 static const struct inode_operations v9fs_file_inode_operations;
+static const struct inode_operations v9fs_file_inode_operations_dotl;
 static const struct inode_operations v9fs_symlink_inode_operations;
+static const struct inode_operations v9fs_symlink_inode_operations_dotl;
 
 /**
  * unixmode2p9mode - convert unix mode bits to plan 9
@@ -275,25 +278,44 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
 		init_special_inode(inode, inode->i_mode, inode->i_rdev);
 		break;
 	case S_IFREG:
-		inode->i_op = &v9fs_file_inode_operations;
-		inode->i_fop = &v9fs_file_operations;
+		if (v9fs_proto_dotl(v9ses)) {
+			inode->i_op = &v9fs_file_inode_operations_dotl;
+			inode->i_fop = &v9fs_file_operations_dotl;
+		} else {
+			inode->i_op = &v9fs_file_inode_operations;
+			inode->i_fop = &v9fs_file_operations;
+		}
+
 		break;
+
 	case S_IFLNK:
-		if (!v9fs_proto_dotu(v9ses)) {
-			P9_DPRINTK(P9_DEBUG_ERROR,
-				   "extended modes used w/o 9P2000.u\n");
+		if (!v9fs_proto_dotu(v9ses) && !v9fs_proto_dotl(v9ses)) {
+			P9_DPRINTK(P9_DEBUG_ERROR, "extended modes used with "
+						"legacy protocol.\n");
 			err = -EINVAL;
 			goto error;
 		}
-		inode->i_op = &v9fs_symlink_inode_operations;
+
+		if (v9fs_proto_dotl(v9ses))
+			inode->i_op = &v9fs_symlink_inode_operations_dotl;
+		else
+			inode->i_op = &v9fs_symlink_inode_operations;
+
 		break;
 	case S_IFDIR:
 		inc_nlink(inode);
-		if (v9fs_proto_dotu(v9ses))
-			inode->i_op = &v9fs_dir_inode_operations_ext;
+		if (v9fs_proto_dotl(v9ses))
+			inode->i_op = &v9fs_dir_inode_operations_dotl;
+		else if (v9fs_proto_dotu(v9ses))
+			inode->i_op = &v9fs_dir_inode_operations_dotu;
 		else
 			inode->i_op = &v9fs_dir_inode_operations;
-		inode->i_fop = &v9fs_dir_operations;
+
+		if (v9fs_proto_dotl(v9ses))
+			inode->i_fop = &v9fs_dir_operations_dotl;
+		else
+			inode->i_fop = &v9fs_dir_operations;
+
 		break;
 	default:
 		P9_DPRINTK(P9_DEBUG_ERROR, "BAD mode 0x%x S_IFMT 0x%x\n",
@@ -1208,7 +1230,21 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
 	return retval;
 }
 
-static const struct inode_operations v9fs_dir_inode_operations_ext = {
+static const struct inode_operations v9fs_dir_inode_operations_dotu = {
+	.create = v9fs_vfs_create,
+	.lookup = v9fs_vfs_lookup,
+	.symlink = v9fs_vfs_symlink,
+	.link = v9fs_vfs_link,
+	.unlink = v9fs_vfs_unlink,
+	.mkdir = v9fs_vfs_mkdir,
+	.rmdir = v9fs_vfs_rmdir,
+	.mknod = v9fs_vfs_mknod,
+	.rename = v9fs_vfs_rename,
+	.getattr = v9fs_vfs_getattr,
+	.setattr = v9fs_vfs_setattr,
+};
+
+static const struct inode_operations v9fs_dir_inode_operations_dotl = {
 	.create = v9fs_vfs_create,
 	.lookup = v9fs_vfs_lookup,
 	.symlink = v9fs_vfs_symlink,
@@ -1239,6 +1275,11 @@ static const struct inode_operations v9fs_file_inode_operations = {
 	.setattr = v9fs_vfs_setattr,
 };
 
+static const struct inode_operations v9fs_file_inode_operations_dotl = {
+	.getattr = v9fs_vfs_getattr,
+	.setattr = v9fs_vfs_setattr,
+};
+
 static const struct inode_operations v9fs_symlink_inode_operations = {
 	.readlink = generic_readlink,
 	.follow_link = v9fs_vfs_follow_link,
@@ -1246,3 +1287,11 @@ static const struct inode_operations v9fs_symlink_inode_operations = {
 	.getattr = v9fs_vfs_getattr,
 	.setattr = v9fs_vfs_setattr,
 };
+
+static const struct inode_operations v9fs_symlink_inode_operations_dotl = {
+	.readlink = generic_readlink,
+	.follow_link = v9fs_vfs_follow_link,
+	.put_link = v9fs_vfs_put_link,
+	.getattr = v9fs_vfs_getattr,
+	.setattr = v9fs_vfs_setattr,
+};
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 806da5d3b3a..cc3fa8c3aab 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -45,7 +45,7 @@
 #include "v9fs_vfs.h"
 #include "fid.h"
 
-static const struct super_operations v9fs_super_ops;
+static const struct super_operations v9fs_super_ops, v9fs_super_ops_dotl;
 
 /**
  * v9fs_set_super - set the superblock
@@ -76,7 +76,10 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses,
 	sb->s_blocksize_bits = fls(v9ses->maxdata - 1);
 	sb->s_blocksize = 1 << sb->s_blocksize_bits;
 	sb->s_magic = V9FS_MAGIC;
-	sb->s_op = &v9fs_super_ops;
+	if (v9fs_proto_dotl(v9ses))
+		sb->s_op = &v9fs_super_ops_dotl;
+	else
+		sb->s_op = &v9fs_super_ops;
 	sb->s_bdi = &v9ses->bdi;
 
 	sb->s_flags = flags | MS_ACTIVE | MS_SYNCHRONOUS | MS_DIRSYNC |
@@ -222,6 +225,17 @@ static const struct super_operations v9fs_super_ops = {
 	.umount_begin = v9fs_umount_begin,
 };
 
+static const struct super_operations v9fs_super_ops_dotl = {
+#ifdef CONFIG_9P_FSCACHE
+	.alloc_inode = v9fs_alloc_inode,
+	.destroy_inode = v9fs_destroy_inode,
+#endif
+	.statfs = simple_statfs,
+	.clear_inode = v9fs_clear_inode,
+	.show_options = generic_show_options,
+	.umount_begin = v9fs_umount_begin,
+};
+
 struct file_system_type v9fs_fs_type = {
 	.name = "9p",
 	.get_sb = v9fs_get_sb,

From bda8e7752063cdbdd1d308bc1705400a8cec1aeb Mon Sep 17 00:00:00 2001
From: Sripathi Kodi <sripathik@in.ibm.com>
Date: Thu, 25 Mar 2010 12:45:30 +0000
Subject: [PATCH 2653/3638] 9p: add 9P2000.L statfs operation

I made a V2 of this patch on top of my patches for VFS switches. The
change was adding v9fs_statfs pointer to v9fs_super_ops_dotl
instead of v9fs_super_ops.

statfs - get file system statistics

size[4] Tstatfs tag[2] fid[4]
size[4] Rstatfs tag[2] type[4] bsize[4] blocks[8] bfree[8] bavail[8]
                files[8] ffree[8] fsid[8] namelen[4]

The statfs message is used to request file system information returned
by the statfs(2) system call, which is used by df(1) to report file
system and disk space usage.

Signed-off-by: Jim Garlick <garlick@llnl.gov>
Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_super.c       | 39 ++++++++++++++++++++++++++++++++++++++-
 include/net/9p/9p.h     | 20 ++++++++++++++++++++
 include/net/9p/client.h |  1 +
 net/9p/client.c         | 39 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 98 insertions(+), 1 deletion(-)

diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index cc3fa8c3aab..be74d020436 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -38,6 +38,7 @@
 #include <linux/idr.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/statfs.h>
 #include <net/9p/9p.h>
 #include <net/9p/client.h>
 
@@ -214,6 +215,42 @@ v9fs_umount_begin(struct super_block *sb)
 	v9fs_session_begin_cancel(v9ses);
 }
 
+static int v9fs_statfs(struct dentry *dentry, struct kstatfs *buf)
+{
+	struct v9fs_session_info *v9ses;
+	struct p9_fid *fid;
+	struct p9_rstatfs rs;
+	int res;
+
+	fid = v9fs_fid_lookup(dentry);
+	if (IS_ERR(fid)) {
+		res = PTR_ERR(fid);
+		goto done;
+	}
+
+	v9ses = v9fs_inode2v9ses(dentry->d_inode);
+	if (v9fs_proto_dotl(v9ses)) {
+		res = p9_client_statfs(fid, &rs);
+		if (res == 0) {
+			buf->f_type = rs.type;
+			buf->f_bsize = rs.bsize;
+			buf->f_blocks = rs.blocks;
+			buf->f_bfree = rs.bfree;
+			buf->f_bavail = rs.bavail;
+			buf->f_files = rs.files;
+			buf->f_ffree = rs.ffree;
+			buf->f_fsid.val[0] = rs.fsid & 0xFFFFFFFFUL;
+			buf->f_fsid.val[1] = (rs.fsid >> 32) & 0xFFFFFFFFUL;
+			buf->f_namelen = rs.namelen;
+		}
+		if (res != -ENOSYS)
+			goto done;
+	}
+	res = simple_statfs(dentry, buf);
+done:
+	return res;
+}
+
 static const struct super_operations v9fs_super_ops = {
 #ifdef CONFIG_9P_FSCACHE
 	.alloc_inode = v9fs_alloc_inode,
@@ -230,7 +267,7 @@ static const struct super_operations v9fs_super_ops_dotl = {
 	.alloc_inode = v9fs_alloc_inode,
 	.destroy_inode = v9fs_destroy_inode,
 #endif
-	.statfs = simple_statfs,
+	.statfs = v9fs_statfs,
 	.clear_inode = v9fs_clear_inode,
 	.show_options = generic_show_options,
 	.umount_begin = v9fs_umount_begin,
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index a7fb54808a2..59300dc22dd 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -86,6 +86,8 @@ do { \
 
 /**
  * enum p9_msg_t - 9P message types
+ * @P9_TSTATFS: file system status request
+ * @P9_RSTATFS: file system status response
  * @P9_TVERSION: version handshake request
  * @P9_RVERSION: version handshake response
  * @P9_TAUTH: request to establish authentication channel
@@ -125,6 +127,8 @@ do { \
  */
 
 enum p9_msg_t {
+	P9_TSTATFS = 8,
+	P9_RSTATFS,
 	P9_TVERSION = 100,
 	P9_RVERSION,
 	P9_TAUTH = 102,
@@ -350,6 +354,22 @@ struct p9_wstat {
 };
 
 /* Structures for Protocol Operations */
+struct p9_tstatfs {
+	u32 fid;
+};
+
+struct p9_rstatfs {
+	u32 type;
+	u32 bsize;
+	u64 blocks;
+	u64 bfree;
+	u64 bavail;
+	u64 files;
+	u64 ffree;
+	u64 fsid;
+	u32 namelen;
+};
+
 struct p9_tversion {
 	u32 msize;
 	struct p9_str version;
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 4f3760afc20..f83c0d99e59 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -195,6 +195,7 @@ struct p9_fid {
 	struct list_head dlist;	/* list of all fids attached to a dentry */
 };
 
+int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb);
 int p9_client_version(struct p9_client *);
 struct p9_client *p9_client_create(const char *dev_name, char *options);
 void p9_client_destroy(struct p9_client *clnt);
diff --git a/net/9p/client.c b/net/9p/client.c
index e2d31467496..430a1c4a7c6 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1365,3 +1365,42 @@ error:
 	return err;
 }
 EXPORT_SYMBOL(p9_client_wstat);
+
+int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb)
+{
+	int err;
+	struct p9_req_t *req;
+	struct p9_client *clnt;
+
+	err = 0;
+	clnt = fid->clnt;
+
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TSTATFS fid %d\n", fid->fid);
+
+	req = p9_client_rpc(clnt, P9_TSTATFS, "d", fid->fid);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
+	}
+
+	err = p9pdu_readf(req->rc, clnt->proto_version, "ddqqqqqqd", &sb->type,
+		&sb->bsize, &sb->blocks, &sb->bfree, &sb->bavail,
+		&sb->files, &sb->ffree, &sb->fsid, &sb->namelen);
+	if (err) {
+		p9pdu_dump(1, req->rc);
+		p9_free_req(clnt, req);
+		goto error;
+	}
+
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RSTATFS fid %d type 0x%lx bsize %ld "
+		"blocks %llu bfree %llu bavail %llu files %llu ffree %llu "
+		"fsid %llu namelen %ld\n",
+		fid->fid, (long unsigned int)sb->type, (long int)sb->bsize,
+		sb->blocks, sb->bfree, sb->bavail, sb->files,  sb->ffree,
+		sb->fsid, (long int)sb->namelen);
+
+	p9_free_req(clnt, req);
+error:
+	return err;
+}
+EXPORT_SYMBOL(p9_client_statfs);

From 4681dbdacb5cdc4d3273c3a97a1858d6e00a5fe7 Mon Sep 17 00:00:00 2001
From: Sripathi Kodi <sripathik@in.ibm.com>
Date: Thu, 25 Mar 2010 12:47:26 +0000
Subject: [PATCH 2654/3638] 9p: add 9P2000.L rename operation

I made a V2 of this patch on top of my patches for VFS switches.
All the changes were due to change in some offsets.

rename - change name of file or directory

size[4] Trename tag[2] fid[4] newdirfid[4] name[s]
size[4] Rrename tag[2]

The rename message is used to change the name of a file, possibly moving it
to a new directory.  The 9P wstat message can only rename a file within the
same directory.

Signed-off-by: Jim Garlick <garlick@llnl.gov>
Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_inode.c       |  7 +++++++
 include/net/9p/9p.h     | 13 +++++++++++++
 include/net/9p/client.h |  1 +
 net/9p/client.c         | 28 ++++++++++++++++++++++++++++
 4 files changed, 49 insertions(+)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 13a8ed6088b..de9a39590b7 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -794,6 +794,13 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		goto clunk_olddir;
 	}
 
+	if (v9fs_proto_dotl(v9ses)) {
+		retval = p9_client_rename(oldfid, newdirfid,
+					(char *) new_dentry->d_name.name);
+		if (retval != -ENOSYS)
+			goto clunk_newdir;
+	}
+
 	/* 9P can only handle file rename in the same directory */
 	if (memcmp(&olddirfid->qid, &newdirfid->qid, sizeof(newdirfid->qid))) {
 		P9_DPRINTK(P9_DEBUG_ERROR,
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index 59300dc22dd..156c26bb8bd 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -88,6 +88,8 @@ do { \
  * enum p9_msg_t - 9P message types
  * @P9_TSTATFS: file system status request
  * @P9_RSTATFS: file system status response
+ * @P9_TRENAME: rename request
+ * @P9_RRENAME: rename response
  * @P9_TVERSION: version handshake request
  * @P9_RVERSION: version handshake response
  * @P9_TAUTH: request to establish authentication channel
@@ -129,6 +131,8 @@ do { \
 enum p9_msg_t {
 	P9_TSTATFS = 8,
 	P9_RSTATFS,
+	P9_TRENAME = 20,
+	P9_RRENAME,
 	P9_TVERSION = 100,
 	P9_RVERSION,
 	P9_TAUTH = 102,
@@ -370,6 +374,15 @@ struct p9_rstatfs {
 	u32 namelen;
 };
 
+struct p9_trename {
+	u32 fid;
+	u32 newdirfid;
+	struct p9_str name;
+};
+
+struct p9_rrename {
+};
+
 struct p9_tversion {
 	u32 msize;
 	struct p9_str version;
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index f83c0d99e59..7dd3ed85c78 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -196,6 +196,7 @@ struct p9_fid {
 };
 
 int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb);
+int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid, char *name);
 int p9_client_version(struct p9_client *);
 struct p9_client *p9_client_create(const char *dev_name, char *options);
 void p9_client_destroy(struct p9_client *clnt);
diff --git a/net/9p/client.c b/net/9p/client.c
index 430a1c4a7c6..37c8da07a80 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1404,3 +1404,31 @@ error:
 	return err;
 }
 EXPORT_SYMBOL(p9_client_statfs);
+
+int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid, char *name)
+{
+	int err;
+	struct p9_req_t *req;
+	struct p9_client *clnt;
+
+	err = 0;
+	clnt = fid->clnt;
+
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TRENAME fid %d newdirfid %d name %s\n",
+			fid->fid, newdirfid->fid, name);
+
+	req = p9_client_rpc(clnt, P9_TRENAME, "dds", fid->fid,
+			newdirfid->fid, name);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
+	}
+
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RRENAME fid %d\n", fid->fid);
+
+	p9_free_req(clnt, req);
+error:
+	return err;
+}
+EXPORT_SYMBOL(p9_client_rename);
+

From 9e32789f63fc5ad91c8b10f68ec23a86856d5af5 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Thu, 20 May 2010 10:40:19 +0200
Subject: [PATCH 2655/3638] ceph: Storage class should be before const
 qualifier

The C99 specification states in section 6.11.5:

The placement of a storage-class specifier other than at the beginning
of the declaration specifiers in a declaration is an obsolescent
feature.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 4 ++--
 fs/ceph/mon_client.c | 4 ++--
 fs/ceph/osd_client.c | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 1b786cf2c7a..885aa5710cf 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -40,7 +40,7 @@
 static void __wake_requests(struct ceph_mds_client *mdsc,
 			    struct list_head *head);
 
-const static struct ceph_connection_operations mds_con_ops;
+static const struct ceph_connection_operations mds_con_ops;
 
 
 /*
@@ -3120,7 +3120,7 @@ static int invalidate_authorizer(struct ceph_connection *con)
 	return ceph_monc_validate_auth(&mdsc->client->monc);
 }
 
-const static struct ceph_connection_operations mds_con_ops = {
+static const struct ceph_connection_operations mds_con_ops = {
 	.get = con_get,
 	.put = con_put,
 	.dispatch = dispatch,
diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 61cb11701f1..478729a6ffc 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -28,7 +28,7 @@
  * resend any outstanding requests.
  */
 
-const static struct ceph_connection_operations mon_con_ops;
+static const struct ceph_connection_operations mon_con_ops;
 
 static int __validate_auth(struct ceph_mon_client *monc);
 
@@ -861,7 +861,7 @@ out:
 	mutex_unlock(&monc->mutex);
 }
 
-const static struct ceph_connection_operations mon_con_ops = {
+static const struct ceph_connection_operations mon_con_ops = {
 	.get = ceph_con_get,
 	.put = ceph_con_put,
 	.dispatch = dispatch,
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 16141e6e8b7..afa7bb3895c 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -16,7 +16,7 @@
 #define OSD_OP_FRONT_LEN	4096
 #define OSD_OPREPLY_FRONT_LEN	512
 
-const static struct ceph_connection_operations osd_con_ops;
+static const struct ceph_connection_operations osd_con_ops;
 static int __kick_requests(struct ceph_osd_client *osdc,
 			  struct ceph_osd *kickosd);
 
@@ -1524,7 +1524,7 @@ static int invalidate_authorizer(struct ceph_connection *con)
 	return ceph_monc_validate_auth(&osdc->client->monc);
 }
 
-const static struct ceph_connection_operations osd_con_ops = {
+static const struct ceph_connection_operations osd_con_ops = {
 	.get = get_osd_con,
 	.put = put_osd_con,
 	.dispatch = dispatch,

From 970690012c572fc3b7be532080564b730f6a9c02 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 21 May 2010 12:31:49 -0700
Subject: [PATCH 2656/3638] ceph: avoid resending queued message to monitor

The auth_reply handler will (re)send any pending requests.  For the
initial mon authenticate phase, that's correct, but when a auth ticket
renewal races with an in-flight request, we may resend a request message
that is already in flight.  Avoid this by revoking the message before
sending it.

We should also avoid resending requests at all during ticket renewal; that
will come soon.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mon_client.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 478729a6ffc..12d94f24ee9 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -104,6 +104,7 @@ static void __send_prepared_auth_request(struct ceph_mon_client *monc, int len)
 	monc->pending_auth = 1;
 	monc->m_auth->front.iov_len = len;
 	monc->m_auth->hdr.front_len = cpu_to_le32(len);
+	ceph_con_revoke(monc->con, monc->m_auth);
 	ceph_msg_get(monc->m_auth);  /* keep our ref */
 	ceph_con_send(monc->con, monc->m_auth);
 }
@@ -539,6 +540,7 @@ static void __resend_generic_request(struct ceph_mon_client *monc)
 
 	for (p = rb_first(&monc->generic_request_tree); p; p = rb_next(p)) {
 		req = rb_entry(p, struct ceph_mon_generic_request, node);
+		ceph_con_revoke(monc->con, req->request);
 		ceph_con_send(monc->con, ceph_msg_get(req->request));
 	}
 }

From 0fc377bd648d1935ea34665239e3f0a274b71698 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 21 May 2010 11:29:53 -0700
Subject: [PATCH 2657/3638] sysctl: fix kernel-doc notation and typos

Fix kernel-doc warnings, kernel-doc special characters, and
typos in recent kernel/sysctl.c additions.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Amerigo Wang <amwang@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/sysctl.c | 38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index b1258304775..30acc6c87b1 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2083,20 +2083,20 @@ static void proc_skip_char(char **buf, size_t *size, const char v)
 
 #define TMPBUFLEN 22
 /**
- * proc_get_long - reads an ASCII formated integer from a user buffer
+ * proc_get_long - reads an ASCII formatted integer from a user buffer
  *
- * @buf - a kernel buffer
- * @size - size of the kernel buffer
- * @val - this is where the number will be stored
- * @neg - set to %TRUE if number is negative
- * @perm_tr - a vector which contains the allowed trailers
- * @perm_tr_len - size of the perm_tr vector
- * @tr - pointer to store the trailer character
+ * @buf: a kernel buffer
+ * @size: size of the kernel buffer
+ * @val: this is where the number will be stored
+ * @neg: set to %TRUE if number is negative
+ * @perm_tr: a vector which contains the allowed trailers
+ * @perm_tr_len: size of the perm_tr vector
+ * @tr: pointer to store the trailer character
  *
- * In case of success 0 is returned and buf and size are updated with
- * the amount of bytes read. If tr is non NULL and a trailing
- * character exist (size is non zero after returning from this
- * function) tr is updated with the trailing character.
+ * In case of success %0 is returned and @buf and @size are updated with
+ * the amount of bytes read. If @tr is non-NULL and a trailing
+ * character exists (size is non-zero after returning from this
+ * function), @tr is updated with the trailing character.
  */
 static int proc_get_long(char **buf, size_t *size,
 			  unsigned long *val, bool *neg,
@@ -2147,15 +2147,15 @@ static int proc_get_long(char **buf, size_t *size,
 }
 
 /**
- * proc_put_long - coverts an integer to a decimal ASCII formated string
+ * proc_put_long - converts an integer to a decimal ASCII formatted string
  *
- * @buf - the user buffer
- * @size - the size of the user buffer
- * @val - the integer to be converted
- * @neg - sign of the number, %TRUE for negative
+ * @buf: the user buffer
+ * @size: the size of the user buffer
+ * @val: the integer to be converted
+ * @neg: sign of the number, %TRUE for negative
  *
- * In case of success 0 is returned and buf and size are updated with
- * the amount of bytes read.
+ * In case of success %0 is returned and @buf and @size are updated with
+ * the amount of bytes written.
  */
 static int proc_put_long(void __user **buf, size_t *size, unsigned long val,
 			  bool neg)

From 13e3c5e5b9c67e59074d24e29f3ff794bb4dfef0 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 21 May 2010 16:11:04 -0400
Subject: [PATCH 2658/3638] clean DCACHE_CANT_MOUNT in d_delete()

We set the "it's dead, don't mount on it" flag _and_ do not remove it if
we turn the damn thing negative and leave it around.  And if it goes
positive afterwards, well...

Fortunately, there's only one place where that needs to be caught:
only d_delete() can turn the sucker negative without immediately freeing
it; all other places that can lead to ->d_iput() call are followed by
unconditionally freeing struct dentry in question.  So the fix is obvious:

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16014
Reported-by: Adam Tkac <vonsch@gmail.com>
Tested-by: Adam Tkac <vonsch@gmail.com>
Cc: <stable@kernel.org>         [2.6.34.x]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dcache.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/dcache.c b/fs/dcache.c
index f1358e5c3a5..2b6f09af13a 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1529,6 +1529,7 @@ void d_delete(struct dentry * dentry)
 	spin_lock(&dentry->d_lock);
 	isdir = S_ISDIR(dentry->d_inode->i_mode);
 	if (atomic_read(&dentry->d_count) == 1) {
+		dentry->d_flags &= ~DCACHE_CANT_MOUNT;
 		dentry_iput(dentry);
 		fsnotify_nameremove(dentry, isdir);
 		return;

From a135aa2cd76a1de1a84312e0bb3498a5da76782d Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 1 Feb 2010 21:55:52 +0100
Subject: [PATCH 2659/3638] remove incorrect comment in do_emergency_remount

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 1527e6a0ee3..156eae5ed50 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -631,8 +631,6 @@ static void do_emergency_remount(struct work_struct *work)
 		down_write(&sb->s_umount);
 		if (sb->s_root && sb->s_bdev && !(sb->s_flags & MS_RDONLY)) {
 			/*
-			 * ->remount_fs needs lock_kernel().
-			 *
 			 * What lock protects sb->s_flags??
 			 */
 			do_remount_sb(sb, MS_RDONLY, NULL, 1);

From 894680710d813137077ad7cb351b713f64cabbdf Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 20 Mar 2010 21:57:43 -0400
Subject: [PATCH 2660/3638] Simplify devpts_get_sb() failure exits

postpone simple_set_mnt() until we know we won't fail.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/devpts/inode.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 0120247b41c..8b3ffd5b523 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -384,19 +384,16 @@ static int devpts_get_sb(struct file_system_type *fs_type,
 		s->s_flags |= MS_ACTIVE;
 	}
 
-	simple_set_mnt(mnt, s);
-
 	memcpy(&(DEVPTS_SB(s))->mount_opts, &opts, sizeof(opts));
 
 	error = mknod_ptmx(s);
 	if (error)
-		goto out_dput;
+		goto out_undo_sget;
+
+	simple_set_mnt(mnt, s);
 
 	return 0;
 
-out_dput:
-	dput(s->s_root); /* undo dget() in simple_set_mnt() */
-
 out_undo_sget:
 	deactivate_locked_super(s);
 	return error;

From decabd6650915a9534dad09e967115513be12b24 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 20 Mar 2010 22:32:26 -0400
Subject: [PATCH 2661/3638] fix a couple of ecryptfs leaks

First of all, get_sb_nodev() grabs anon dev minor and we
never free it in ecryptfs ->kill_sb().  Moreover, on one
of the failure exits in ecryptfs_get_sb() we leak things -
it happens before we set ->s_root and ->put_super() won't
be called in that case.  Solution: kill ->put_super(), do
all that stuff in ->kill_sb().  And use kill_anon_sb() instead
of generic_shutdown_super() to deal with anon dev leak.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ecryptfs/main.c  |  9 +++++++--
 fs/ecryptfs/super.c | 22 ----------------------
 2 files changed, 7 insertions(+), 24 deletions(-)

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 760983d0f25..36268db29ea 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -633,11 +633,16 @@ out:
  * @sb: The ecryptfs super block
  *
  * Used to bring the superblock down and free the private data.
- * Private data is free'd in ecryptfs_put_super()
  */
 static void ecryptfs_kill_block_super(struct super_block *sb)
 {
-	generic_shutdown_super(sb);
+	struct ecryptfs_sb_info *sb_info = ecryptfs_superblock_to_private(sb);
+	kill_anon_super(sb);
+	if (!sb_info)
+		return;
+	ecryptfs_destroy_mount_crypt_stat(&sb_info->mount_crypt_stat);
+	bdi_destroy(&sb_info->bdi);
+	kmem_cache_free(ecryptfs_sb_info_cache, sb_info);
 }
 
 static struct file_system_type ecryptfs_fs_type = {
diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index 0c0ae491d23..0435886e4a9 100644
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -108,27 +108,6 @@ void ecryptfs_init_inode(struct inode *inode, struct inode *lower_inode)
 	inode->i_mapping->a_ops = &ecryptfs_aops;
 }
 
-/**
- * ecryptfs_put_super
- * @sb: Pointer to the ecryptfs super block
- *
- * Final actions when unmounting a file system.
- * This will handle deallocation and release of our private data.
- */
-static void ecryptfs_put_super(struct super_block *sb)
-{
-	struct ecryptfs_sb_info *sb_info = ecryptfs_superblock_to_private(sb);
-
-	lock_kernel();
-
-	ecryptfs_destroy_mount_crypt_stat(&sb_info->mount_crypt_stat);
-	bdi_destroy(&sb_info->bdi);
-	kmem_cache_free(ecryptfs_sb_info_cache, sb_info);
-	ecryptfs_set_superblock_private(sb, NULL);
-
-	unlock_kernel();
-}
-
 /**
  * ecryptfs_statfs
  * @sb: The ecryptfs super block
@@ -203,7 +182,6 @@ const struct super_operations ecryptfs_sops = {
 	.alloc_inode = ecryptfs_alloc_inode,
 	.destroy_inode = ecryptfs_destroy_inode,
 	.drop_inode = generic_delete_inode,
-	.put_super = ecryptfs_put_super,
 	.statfs = ecryptfs_statfs,
 	.remount_fs = NULL,
 	.clear_inode = ecryptfs_clear_inode,

From 2ccde7c631f992bf79da8007b5fc8b6425eb0d6d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 21 Mar 2010 12:24:29 -0400
Subject: [PATCH 2662/3638] Clean ecryptfs ->get_sb() up

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ecryptfs/main.c | 149 ++++++++++++++++++++-------------------------
 1 file changed, 66 insertions(+), 83 deletions(-)

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 36268db29ea..7d3ed6bfcfa 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -281,7 +281,7 @@ static void ecryptfs_init_mount_crypt_stat(
  *
  * Returns zero on success; non-zero on error
  */
-static int ecryptfs_parse_options(struct super_block *sb, char *options)
+static int ecryptfs_parse_options(struct ecryptfs_sb_info *sbi, char *options)
 {
 	char *p;
 	int rc = 0;
@@ -293,7 +293,7 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options)
 	int fn_cipher_key_bytes;
 	int fn_cipher_key_bytes_set = 0;
 	struct ecryptfs_mount_crypt_stat *mount_crypt_stat =
-		&ecryptfs_superblock_to_private(sb)->mount_crypt_stat;
+		&sbi->mount_crypt_stat;
 	substring_t args[MAX_OPT_ARGS];
 	int token;
 	char *sig_src;
@@ -484,68 +484,6 @@ out:
 
 struct kmem_cache *ecryptfs_sb_info_cache;
 
-/**
- * ecryptfs_fill_super
- * @sb: The ecryptfs super block
- * @raw_data: The options passed to mount
- * @silent: Not used but required by function prototype
- *
- * Sets up what we can of the sb, rest is done in ecryptfs_read_super
- *
- * Returns zero on success; non-zero otherwise
- */
-static int
-ecryptfs_fill_super(struct super_block *sb, void *raw_data, int silent)
-{
-	struct ecryptfs_sb_info *esi;
-	int rc = 0;
-
-	/* Released in ecryptfs_put_super() */
-	ecryptfs_set_superblock_private(sb,
-					kmem_cache_zalloc(ecryptfs_sb_info_cache,
-							 GFP_KERNEL));
-	esi = ecryptfs_superblock_to_private(sb);
-	if (!esi) {
-		ecryptfs_printk(KERN_WARNING, "Out of memory\n");
-		rc = -ENOMEM;
-		goto out;
-	}
-
-	rc = bdi_setup_and_register(&esi->bdi, "ecryptfs", BDI_CAP_MAP_COPY);
-	if (rc)
-		goto out;
-
-	sb->s_bdi = &esi->bdi;
-	sb->s_op = &ecryptfs_sops;
-	/* Released through deactivate_super(sb) from get_sb_nodev */
-	sb->s_root = d_alloc(NULL, &(const struct qstr) {
-			     .hash = 0,.name = "/",.len = 1});
-	if (!sb->s_root) {
-		ecryptfs_printk(KERN_ERR, "d_alloc failed\n");
-		rc = -ENOMEM;
-		goto out;
-	}
-	sb->s_root->d_op = &ecryptfs_dops;
-	sb->s_root->d_sb = sb;
-	sb->s_root->d_parent = sb->s_root;
-	/* Released in d_release when dput(sb->s_root) is called */
-	/* through deactivate_super(sb) from get_sb_nodev() */
-	ecryptfs_set_dentry_private(sb->s_root,
-				    kmem_cache_zalloc(ecryptfs_dentry_info_cache,
-						     GFP_KERNEL));
-	if (!ecryptfs_dentry_to_private(sb->s_root)) {
-		ecryptfs_printk(KERN_ERR,
-				"dentry_info_cache alloc failed\n");
-		rc = -ENOMEM;
-		goto out;
-	}
-	rc = 0;
-out:
-	/* Should be able to rely on deactivate_super called from
-	 * get_sb_nodev */
-	return rc;
-}
-
 /**
  * ecryptfs_read_super
  * @sb: The ecryptfs super block
@@ -588,11 +526,8 @@ out:
  * @dev_name: The path to mount over
  * @raw_data: The options passed into the kernel
  *
- * The whole ecryptfs_get_sb process is broken into 4 functions:
+ * The whole ecryptfs_get_sb process is broken into 3 functions:
  * ecryptfs_parse_options(): handle options passed to ecryptfs, if any
- * ecryptfs_fill_super(): used by get_sb_nodev, fills out the super_block
- *                        with as much information as it can before needing
- *                        the lower filesystem.
  * ecryptfs_read_super(): this accesses the lower filesystem and uses
  *                        ecryptfs_interpose to perform most of the linking
  * ecryptfs_interpose(): links the lower filesystem into ecryptfs (inode.c)
@@ -601,30 +536,78 @@ static int ecryptfs_get_sb(struct file_system_type *fs_type, int flags,
 			const char *dev_name, void *raw_data,
 			struct vfsmount *mnt)
 {
+	struct super_block *s;
+	struct ecryptfs_sb_info *sbi;
+	struct ecryptfs_dentry_info *root_info;
+	const char *err = "Getting sb failed";
 	int rc;
-	struct super_block *sb;
 
-	rc = get_sb_nodev(fs_type, flags, raw_data, ecryptfs_fill_super, mnt);
-	if (rc < 0) {
-		printk(KERN_ERR "Getting sb failed; rc = [%d]\n", rc);
+	sbi = kmem_cache_zalloc(ecryptfs_sb_info_cache, GFP_KERNEL);
+	if (!sbi) {
+		rc = -ENOMEM;
 		goto out;
 	}
-	sb = mnt->mnt_sb;
-	rc = ecryptfs_parse_options(sb, raw_data);
+
+	rc = ecryptfs_parse_options(sbi, raw_data);
 	if (rc) {
-		printk(KERN_ERR "Error parsing options; rc = [%d]\n", rc);
-		goto out_abort;
+		err = "Error parsing options";
+		goto out;
 	}
-	rc = ecryptfs_read_super(sb, dev_name);
+
+	s = sget(fs_type, NULL, set_anon_super, NULL);
+	if (IS_ERR(s)) {
+		rc = PTR_ERR(s);
+		goto out;
+	}
+
+	s->s_flags = flags;
+	rc = bdi_setup_and_register(&sbi->bdi, "ecryptfs", BDI_CAP_MAP_COPY);
 	if (rc) {
-		printk(KERN_ERR "Reading sb failed; rc = [%d]\n", rc);
-		goto out_abort;
+		deactivate_locked_super(s);
+		goto out;
 	}
-	goto out;
-out_abort:
-	dput(sb->s_root); /* aka mnt->mnt_root, as set by get_sb_nodev() */
-	deactivate_locked_super(sb);
+
+	ecryptfs_set_superblock_private(s, sbi);
+	s->s_bdi = &sbi->bdi;
+
+	/* ->kill_sb() will take care of sbi after that point */
+	sbi = NULL;
+	s->s_op = &ecryptfs_sops;
+
+	rc = -ENOMEM;
+	s->s_root = d_alloc(NULL, &(const struct qstr) {
+			     .hash = 0,.name = "/",.len = 1});
+	if (!s->s_root) {
+		deactivate_locked_super(s);
+		goto out;
+	}
+	s->s_root->d_op = &ecryptfs_dops;
+	s->s_root->d_sb = s;
+	s->s_root->d_parent = s->s_root;
+
+	root_info = kmem_cache_zalloc(ecryptfs_dentry_info_cache, GFP_KERNEL);
+	if (!root_info) {
+		deactivate_locked_super(s);
+		goto out;
+	}
+	/* ->kill_sb() will take care of root_info */
+	ecryptfs_set_dentry_private(s->s_root, root_info);
+	s->s_flags |= MS_ACTIVE;
+	rc = ecryptfs_read_super(s, dev_name);
+	if (rc) {
+		deactivate_locked_super(s);
+		err = "Reading sb failed";
+		goto out;
+	}
+	simple_set_mnt(mnt, s);
+	return 0;
+
 out:
+	if (sbi) {
+		ecryptfs_destroy_mount_crypt_stat(&sbi->mount_crypt_stat);
+		kmem_cache_free(ecryptfs_sb_info_cache, sbi);
+	}
+	printk(KERN_ERR "%s; rc = [%d]\n", err, rc);
 	return rc;
 }
 

From 3981f2e2a04df4b95129ddbb8bb869ef1d57bea9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 21 Mar 2010 19:22:29 -0400
Subject: [PATCH 2663/3638] ceph: should use deactivate_locked_super() on
 failure exits

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ceph/super.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 110857ba926..9307bbee6fb 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -952,8 +952,7 @@ static int ceph_get_sb(struct file_system_type *fs_type,
 
 out_splat:
 	ceph_mdsc_close_sessions(&client->mdsc);
-	up_write(&sb->s_umount);
-	deactivate_super(sb);
+	deactivate_locked_super(sb);
 	goto out_final;
 
 out:

From 79d7e39ee1d4b423206f6cfd2cd2eed6253d95fe Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 21 Mar 2010 19:24:23 -0400
Subject: [PATCH 2664/3638] sb_entry() has been killed a couple of years ago
 and resurrected on mismerge

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 include/linux/fs.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4079ef99900..d13a6b83ad0 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1314,7 +1314,6 @@ extern int send_sigurg(struct fown_struct *fown);
 extern struct list_head super_blocks;
 extern spinlock_t sb_lock;
 
-#define sb_entry(list)  list_entry((list), struct super_block, s_list)
 #define S_BIAS (1<<30)
 struct super_block {
 	struct list_head	s_list;		/* Keep this first */

From 389b8be6ef419397e4f176652927ebad6ebb4b77 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 21 Mar 2010 22:34:11 -0400
Subject: [PATCH 2665/3638] get rid of open-coded grab_super() in
 get_active_super()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c | 19 +++----------------
 1 file changed, 3 insertions(+), 16 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 156eae5ed50..d8c8b1d2d01 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -487,22 +487,9 @@ struct super_block *get_active_super(struct block_device *bdev)
 		if (sb->s_bdev != bdev)
 			continue;
 
-		sb->s_count++;
-		spin_unlock(&sb_lock);
-		down_write(&sb->s_umount);
-		if (sb->s_root) {
-			spin_lock(&sb_lock);
-			if (sb->s_count > S_BIAS) {
-				atomic_inc(&sb->s_active);
-				sb->s_count--;
-				spin_unlock(&sb_lock);
-				return sb;
-			}
-			spin_unlock(&sb_lock);
-		}
-		up_write(&sb->s_umount);
-		put_super(sb);
-		yield();
+		if (grab_super(sb)) /* drops sb_lock */
+			return sb;
+
 		spin_lock(&sb_lock);
 	}
 	spin_unlock(&sb_lock);

From b20bd1a5e78af267dc4b6e1ffed48d5d776302c5 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 08:53:19 -0400
Subject: [PATCH 2666/3638] get rid of S_BIAS

use atomic_inc_not_zero(&sb->s_active) instead of playing games with
checking ->s_count > S_BIAS

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/notify/inotify/inotify.c | 32 +++++++++++++-------------------
 fs/super.c                  | 28 +++++++++++-----------------
 include/linux/fs.h          |  1 -
 3 files changed, 24 insertions(+), 37 deletions(-)

diff --git a/fs/notify/inotify/inotify.c b/fs/notify/inotify/inotify.c
index 40b1cf914cc..441ef136af2 100644
--- a/fs/notify/inotify/inotify.c
+++ b/fs/notify/inotify/inotify.c
@@ -110,14 +110,10 @@ EXPORT_SYMBOL_GPL(get_inotify_watch);
 int pin_inotify_watch(struct inotify_watch *watch)
 {
 	struct super_block *sb = watch->inode->i_sb;
-	spin_lock(&sb_lock);
-	if (sb->s_count >= S_BIAS) {
-		atomic_inc(&sb->s_active);
-		spin_unlock(&sb_lock);
+	if (atomic_inc_not_zero(&sb->s_active)) {
 		atomic_inc(&watch->count);
 		return 1;
 	}
-	spin_unlock(&sb_lock);
 	return 0;
 }
 
@@ -518,16 +514,16 @@ EXPORT_SYMBOL_GPL(inotify_init_watch);
  * ->s_umount, which will almost certainly wait until the superblock is shut
  * down and the watch in question is pining for fjords.  That's fine, but
  * there is a problem - we might have hit the window between ->s_active
- * getting to 0 / ->s_count - below S_BIAS (i.e. the moment when superblock
- * is past the point of no return and is heading for shutdown) and the
- * moment when deactivate_super() acquires ->s_umount.  We could just do
- * drop_super() yield() and retry, but that's rather antisocial and this
- * stuff is luser-triggerable.  OTOH, having grabbed ->s_umount and having
- * found that we'd got there first (i.e. that ->s_root is non-NULL) we know
- * that we won't race with inotify_umount_inodes().  So we could grab a
- * reference to watch and do the rest as above, just with drop_super() instead
- * of deactivate_super(), right?  Wrong.  We had to drop ih->mutex before we
- * could grab ->s_umount.  So the watch could've been gone already.
+ * getting to 0 (i.e. the moment when superblock is past the point of no return
+ * and is heading for shutdown) and the moment when deactivate_super() acquires
+ * ->s_umount.  We could just do drop_super() yield() and retry, but that's
+ * rather antisocial and this stuff is luser-triggerable.  OTOH, having grabbed
+ * ->s_umount and having found that we'd got there first (i.e. that ->s_root is
+ * non-NULL) we know that we won't race with inotify_umount_inodes().  So we
+ * could grab a reference to watch and do the rest as above, just with
+ * drop_super() instead of deactivate_super(), right?  Wrong.  We had to drop
+ * ih->mutex before we could grab ->s_umount.  So the watch could've been gone
+ * already.
  *
  * That still can be dealt with - we need to save watch->wd, do idr_find()
  * and compare its result with our pointer.  If they match, we either have
@@ -565,14 +561,12 @@ static int pin_to_kill(struct inotify_handle *ih, struct inotify_watch *watch)
 	struct super_block *sb = watch->inode->i_sb;
 	s32 wd = watch->wd;
 
-	spin_lock(&sb_lock);
-	if (sb->s_count >= S_BIAS) {
-		atomic_inc(&sb->s_active);
-		spin_unlock(&sb_lock);
+	if (atomic_inc_not_zero(&sb->s_active)) {
 		get_inotify_watch(watch);
 		mutex_unlock(&ih->mutex);
 		return 1;	/* the best outcome */
 	}
+	spin_lock(&sb_lock);
 	sb->s_count++;
 	spin_unlock(&sb_lock);
 	mutex_unlock(&ih->mutex); /* can't grab ->s_umount under it */
diff --git a/fs/super.c b/fs/super.c
index d8c8b1d2d01..bc734f8b3e1 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -93,7 +93,7 @@ static struct super_block *alloc_super(struct file_system_type *type)
 		 * subclass.
 		 */
 		down_write_nested(&s->s_umount, SINGLE_DEPTH_NESTING);
-		s->s_count = S_BIAS;
+		s->s_count = 1;
 		atomic_set(&s->s_active, 1);
 		mutex_init(&s->s_vfs_rename_mutex);
 		mutex_init(&s->s_dquot.dqio_mutex);
@@ -189,9 +189,7 @@ void put_super(struct super_block *sb)
 void deactivate_super(struct super_block *s)
 {
 	struct file_system_type *fs = s->s_type;
-	if (atomic_dec_and_lock(&s->s_active, &sb_lock)) {
-		s->s_count -= S_BIAS-1;
-		spin_unlock(&sb_lock);
+	if (atomic_dec_and_test(&s->s_active)) {
 		vfs_dq_off(s, 0);
 		down_write(&s->s_umount);
 		fs->kill_sb(s);
@@ -216,9 +214,7 @@ EXPORT_SYMBOL(deactivate_super);
 void deactivate_locked_super(struct super_block *s)
 {
 	struct file_system_type *fs = s->s_type;
-	if (atomic_dec_and_lock(&s->s_active, &sb_lock)) {
-		s->s_count -= S_BIAS-1;
-		spin_unlock(&sb_lock);
+	if (atomic_dec_and_test(&s->s_active)) {
 		vfs_dq_off(s, 0);
 		fs->kill_sb(s);
 		put_filesystem(fs);
@@ -243,21 +239,19 @@ EXPORT_SYMBOL(deactivate_locked_super);
  */
 static int grab_super(struct super_block *s) __releases(sb_lock)
 {
+	if (atomic_inc_not_zero(&s->s_active)) {
+		spin_unlock(&sb_lock);
+		down_write(&s->s_umount);
+		return 1;
+	}
+	/* it's going away */
 	s->s_count++;
 	spin_unlock(&sb_lock);
+	/* usually that'll be enough for it to die... */
 	down_write(&s->s_umount);
-	if (s->s_root) {
-		spin_lock(&sb_lock);
-		if (s->s_count > S_BIAS) {
-			atomic_inc(&s->s_active);
-			s->s_count--;
-			spin_unlock(&sb_lock);
-			return 1;
-		}
-		spin_unlock(&sb_lock);
-	}
 	up_write(&s->s_umount);
 	put_super(s);
+	/* ... but in case it wasn't, let's at least yield() */
 	yield();
 	return 0;
 }
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d13a6b83ad0..62f84d955b8 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1314,7 +1314,6 @@ extern int send_sigurg(struct fown_struct *fown);
 extern struct list_head super_blocks;
 extern spinlock_t sb_lock;
 
-#define S_BIAS (1<<30)
 struct super_block {
 	struct list_head	s_list;		/* Keep this first */
 	dev_t			s_dev;		/* search index; _not_ kdev_t */

From 1712ac8fda7d8bc4dc921f5777b7423aacad7263 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 15:22:31 -0400
Subject: [PATCH 2667/3638] Saner locking around deactivate_super()

Make sure that s_umount is acquired *before* we drop the final
active reference; we still have the fast path (atomic_dec_unless)
and we have gotten rid of the window between the moment when
s_active hits zero and s_umount is acquired.  Which simplifies
the living hell out of grab_super() and inotify pin_to_kill()
stuff.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/notify/inotify/inotify.c | 76 ++++++-------------------------------
 fs/super.c                  | 57 ++++++++++++----------------
 2 files changed, 36 insertions(+), 97 deletions(-)

diff --git a/fs/notify/inotify/inotify.c b/fs/notify/inotify/inotify.c
index 441ef136af2..27b75ebc746 100644
--- a/fs/notify/inotify/inotify.c
+++ b/fs/notify/inotify/inotify.c
@@ -511,34 +511,8 @@ EXPORT_SYMBOL_GPL(inotify_init_watch);
  * done.  Cleanup is just deactivate_super().  However, that leaves a messy
  * case - what if we *are* racing with umount() and active references to
  * superblock can't be acquired anymore?  We can bump ->s_count, grab
- * ->s_umount, which will almost certainly wait until the superblock is shut
- * down and the watch in question is pining for fjords.  That's fine, but
- * there is a problem - we might have hit the window between ->s_active
- * getting to 0 (i.e. the moment when superblock is past the point of no return
- * and is heading for shutdown) and the moment when deactivate_super() acquires
- * ->s_umount.  We could just do drop_super() yield() and retry, but that's
- * rather antisocial and this stuff is luser-triggerable.  OTOH, having grabbed
- * ->s_umount and having found that we'd got there first (i.e. that ->s_root is
- * non-NULL) we know that we won't race with inotify_umount_inodes().  So we
- * could grab a reference to watch and do the rest as above, just with
- * drop_super() instead of deactivate_super(), right?  Wrong.  We had to drop
- * ih->mutex before we could grab ->s_umount.  So the watch could've been gone
- * already.
- *
- * That still can be dealt with - we need to save watch->wd, do idr_find()
- * and compare its result with our pointer.  If they match, we either have
- * the damn thing still alive or we'd lost not one but two races at once,
- * the watch had been killed and a new one got created with the same ->wd
- * at the same address.  That couldn't have happened in inotify_destroy(),
- * but inotify_rm_wd() could run into that.  Still, "new one got created"
- * is not a problem - we have every right to kill it or leave it alone,
- * whatever's more convenient.
- *
- * So we can use idr_find(...) == watch && watch->inode->i_sb == sb as
- * "grab it and kill it" check.  If it's been our original watch, we are
- * fine, if it's a newcomer - nevermind, just pretend that we'd won the
- * race and kill the fscker anyway; we are safe since we know that its
- * superblock won't be going away.
+ * ->s_umount, which will wait until the superblock is shut down and the
+ * watch in question is pining for fjords.
  *
  * And yes, this is far beyond mere "not very pretty"; so's the entire
  * concept of inotify to start with.
@@ -552,14 +526,10 @@ EXPORT_SYMBOL_GPL(inotify_init_watch);
  * Called with ih->mutex held, drops it.  Possible return values:
  * 0 - nothing to do, it has died
  * 1 - remove it, drop the reference and deactivate_super()
- * 2 - remove it, drop the reference and drop_super(); we tried hard to avoid
- * that variant, since it involved a lot of PITA, but that's the best that
- * could've been done.
  */
 static int pin_to_kill(struct inotify_handle *ih, struct inotify_watch *watch)
 {
 	struct super_block *sb = watch->inode->i_sb;
-	s32 wd = watch->wd;
 
 	if (atomic_inc_not_zero(&sb->s_active)) {
 		get_inotify_watch(watch);
@@ -571,36 +541,16 @@ static int pin_to_kill(struct inotify_handle *ih, struct inotify_watch *watch)
 	spin_unlock(&sb_lock);
 	mutex_unlock(&ih->mutex); /* can't grab ->s_umount under it */
 	down_read(&sb->s_umount);
-	if (likely(!sb->s_root)) {
-		/* fs is already shut down; the watch is dead */
-		drop_super(sb);
-		return 0;
-	}
-	/* raced with the final deactivate_super() */
-	mutex_lock(&ih->mutex);
-	if (idr_find(&ih->idr, wd) != watch || watch->inode->i_sb != sb) {
-		/* the watch is dead */
-		mutex_unlock(&ih->mutex);
-		drop_super(sb);
-		return 0;
-	}
-	/* still alive or freed and reused with the same sb and wd; kill */
-	get_inotify_watch(watch);
-	mutex_unlock(&ih->mutex);
-	return 2;
+	/* fs is already shut down; the watch is dead */
+	drop_super(sb);
+	return 0;
 }
 
-static void unpin_and_kill(struct inotify_watch *watch, int how)
+static void unpin_and_kill(struct inotify_watch *watch)
 {
 	struct super_block *sb = watch->inode->i_sb;
 	put_inotify_watch(watch);
-	switch (how) {
-	case 1:
-		deactivate_super(sb);
-		break;
-	case 2:
-		drop_super(sb);
-	}
+	deactivate_super(sb);
 }
 
 /**
@@ -622,7 +572,6 @@ void inotify_destroy(struct inotify_handle *ih)
 		struct list_head *watches;
 		struct super_block *sb;
 		struct inode *inode;
-		int how;
 
 		mutex_lock(&ih->mutex);
 		watches = &ih->watches;
@@ -632,8 +581,7 @@ void inotify_destroy(struct inotify_handle *ih)
 		}
 		watch = list_first_entry(watches, struct inotify_watch, h_list);
 		sb = watch->inode->i_sb;
-		how = pin_to_kill(ih, watch);
-		if (!how)
+		if (!pin_to_kill(ih, watch))
 			continue;
 
 		inode = watch->inode;
@@ -648,7 +596,7 @@ void inotify_destroy(struct inotify_handle *ih)
 
 		mutex_unlock(&ih->mutex);
 		mutex_unlock(&inode->inotify_mutex);
-		unpin_and_kill(watch, how);
+		unpin_and_kill(watch);
 	}
 
 	/* free this handle: the put matching the get in inotify_init() */
@@ -851,7 +799,6 @@ int inotify_rm_wd(struct inotify_handle *ih, u32 wd)
 	struct inotify_watch *watch;
 	struct super_block *sb;
 	struct inode *inode;
-	int how;
 
 	mutex_lock(&ih->mutex);
 	watch = idr_find(&ih->idr, wd);
@@ -860,8 +807,7 @@ int inotify_rm_wd(struct inotify_handle *ih, u32 wd)
 		return -EINVAL;
 	}
 	sb = watch->inode->i_sb;
-	how = pin_to_kill(ih, watch);
-	if (!how)
+	if (!pin_to_kill(ih, watch))
 		return 0;
 
 	inode = watch->inode;
@@ -875,7 +821,7 @@ int inotify_rm_wd(struct inotify_handle *ih, u32 wd)
 
 	mutex_unlock(&ih->mutex);
 	mutex_unlock(&inode->inotify_mutex);
-	unpin_and_kill(watch, how);
+	unpin_and_kill(watch);
 
 	return 0;
 }
diff --git a/fs/super.c b/fs/super.c
index bc734f8b3e1..157657b3279 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -177,39 +177,16 @@ void put_super(struct super_block *sb)
 }
 
 
-/**
- *	deactivate_super	-	drop an active reference to superblock
- *	@s: superblock to deactivate
- *
- *	Drops an active reference to superblock, acquiring a temprory one if
- *	there is no active references left.  In that case we lock superblock,
- *	tell fs driver to shut it down and drop the temporary reference we
- *	had just acquired.
- */
-void deactivate_super(struct super_block *s)
-{
-	struct file_system_type *fs = s->s_type;
-	if (atomic_dec_and_test(&s->s_active)) {
-		vfs_dq_off(s, 0);
-		down_write(&s->s_umount);
-		fs->kill_sb(s);
-		put_filesystem(fs);
-		put_super(s);
-	}
-}
-
-EXPORT_SYMBOL(deactivate_super);
-
 /**
  *	deactivate_locked_super	-	drop an active reference to superblock
  *	@s: superblock to deactivate
  *
- *	Equivalent of up_write(&s->s_umount); deactivate_super(s);, except that
- *	it does not unlock it until it's all over.  As the result, it's safe to
- *	use to dispose of new superblock on ->get_sb() failure exits - nobody
- *	will see the sucker until it's all over.  Equivalent using up_write +
- *	deactivate_super is safe for that purpose only if superblock is either
- *	safe to use or has NULL ->s_root when we unlock.
+ *	Drops an active reference to superblock, converting it into a temprory
+ *	one if there is no other active references left.  In that case we
+ *	tell fs driver to shut it down and drop the temporary reference we
+ *	had just acquired.
+ *
+ *	Caller holds exclusive lock on superblock; that lock is released.
  */
 void deactivate_locked_super(struct super_block *s)
 {
@@ -226,6 +203,24 @@ void deactivate_locked_super(struct super_block *s)
 
 EXPORT_SYMBOL(deactivate_locked_super);
 
+/**
+ *	deactivate_super	-	drop an active reference to superblock
+ *	@s: superblock to deactivate
+ *
+ *	Variant of deactivate_locked_super(), except that superblock is *not*
+ *	locked by caller.  If we are going to drop the final active reference,
+ *	lock will be acquired prior to that.
+ */
+void deactivate_super(struct super_block *s)
+{
+        if (!atomic_add_unless(&s->s_active, -1, 1)) {
+		down_write(&s->s_umount);
+		deactivate_locked_super(s);
+	}
+}
+
+EXPORT_SYMBOL(deactivate_super);
+
 /**
  *	grab_super - acquire an active reference
  *	@s: reference we are trying to make active
@@ -247,12 +242,10 @@ static int grab_super(struct super_block *s) __releases(sb_lock)
 	/* it's going away */
 	s->s_count++;
 	spin_unlock(&sb_lock);
-	/* usually that'll be enough for it to die... */
+	/* wait for it to die */
 	down_write(&s->s_umount);
 	up_write(&s->s_umount);
 	put_super(s);
-	/* ... but in case it wasn't, let's at least yield() */
-	yield();
 	return 0;
 }
 

From 551de6f34dfeefbeeadb32909c387d393114ecc8 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 19:36:35 -0400
Subject: [PATCH 2668/3638] Leave superblocks on s_list until the end

We used to remove from s_list and s_instances at the same
time.  So let's *not* do the former and skip superblocks
that have empty s_instances in the loops over s_list.

The next step, of course, will be to get rid of rescan logics
in those loops.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/buffer.c      |  2 ++
 fs/dcache.c      |  2 ++
 fs/drop_caches.c |  2 ++
 fs/quota/quota.c |  2 ++
 fs/super.c       | 16 +++++++++++++---
 fs/sync.c        |  5 ++++-
 6 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index c9c266db062..021ec4da993 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -568,6 +568,8 @@ static void do_thaw_all(struct work_struct *work)
 	spin_lock(&sb_lock);
 restart:
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		sb->s_count++;
 		spin_unlock(&sb_lock);
 		down_read(&sb->s_umount);
diff --git a/fs/dcache.c b/fs/dcache.c
index 2b6f09af13a..5afc4994bb2 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -552,6 +552,8 @@ restart:
 		prune_ratio = unused / count;
 	spin_lock(&sb_lock);
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		if (sb->s_nr_dentry_unused == 0)
 			continue;
 		sb->s_count++;
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 31f4b0e6d72..9cd4e4a70f5 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -40,6 +40,8 @@ static void drop_pagecache(void)
 	spin_lock(&sb_lock);
 restart:
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		sb->s_count++;
 		spin_unlock(&sb_lock);
 		down_read(&sb->s_umount);
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index cfc78826da9..4669e7e639b 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -59,6 +59,8 @@ static int quota_sync_all(int type)
 	spin_lock(&sb_lock);
 restart:
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		if (!sb->s_qcop || !sb->s_qcop->quota_sync)
 			continue;
 
diff --git a/fs/super.c b/fs/super.c
index 157657b3279..0390461dfca 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -135,6 +135,7 @@ static int __put_super(struct super_block *sb)
 	int ret = 0;
 
 	if (!--sb->s_count) {
+		list_del_init(&sb->s_list);
 		destroy_super(sb);
 		ret = 1;
 	}
@@ -151,7 +152,7 @@ static int __put_super(struct super_block *sb)
 int __put_super_and_need_restart(struct super_block *sb)
 {
 	/* check for race with generic_shutdown_super() */
-	if (list_empty(&sb->s_list)) {
+	if (list_empty(&sb->s_instances)) {
 		/* super block is removed, need to restart... */
 		__put_super(sb);
 		return 1;
@@ -308,8 +309,7 @@ void generic_shutdown_super(struct super_block *sb)
 	}
 	spin_lock(&sb_lock);
 	/* should be initialized for __put_super_and_need_restart() */
-	list_del_init(&sb->s_list);
-	list_del(&sb->s_instances);
+	list_del_init(&sb->s_instances);
 	spin_unlock(&sb_lock);
 	up_write(&sb->s_umount);
 }
@@ -400,6 +400,8 @@ void sync_supers(void)
 	spin_lock(&sb_lock);
 restart:
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		if (sb->s_op->write_super && sb->s_dirt) {
 			sb->s_count++;
 			spin_unlock(&sb_lock);
@@ -435,6 +437,8 @@ struct super_block * get_super(struct block_device *bdev)
 	spin_lock(&sb_lock);
 rescan:
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		if (sb->s_bdev == bdev) {
 			sb->s_count++;
 			spin_unlock(&sb_lock);
@@ -471,6 +475,8 @@ struct super_block *get_active_super(struct block_device *bdev)
 
 	spin_lock(&sb_lock);
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		if (sb->s_bdev != bdev)
 			continue;
 
@@ -490,6 +496,8 @@ struct super_block * user_get_super(dev_t dev)
 	spin_lock(&sb_lock);
 rescan:
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		if (sb->s_dev ==  dev) {
 			sb->s_count++;
 			spin_unlock(&sb_lock);
@@ -600,6 +608,8 @@ static void do_emergency_remount(struct work_struct *work)
 
 	spin_lock(&sb_lock);
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		sb->s_count++;
 		spin_unlock(&sb_lock);
 		down_write(&sb->s_umount);
diff --git a/fs/sync.c b/fs/sync.c
index 92b228176f7..ad6691bae37 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -99,10 +99,13 @@ static void sync_filesystems(int wait)
 	mutex_lock(&mutex);		/* Could be down_interruptible */
 	spin_lock(&sb_lock);
 	list_for_each_entry(sb, &super_blocks, s_list)
-		sb->s_need_sync = 1;
+		if (!list_empty(&sb->s_instances))
+			sb->s_need_sync = 1;
 
 restart:
 	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
 		if (!sb->s_need_sync)
 			continue;
 		sb->s_need_sync = 0;

From 8edd64bd6089e21f47dcdebb14b598b713213ddc Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 19:56:42 -0400
Subject: [PATCH 2669/3638] get rid of restarts in sync_filesystems()

At the same time we can kill s_need_restart and local mutex in there.
__put_super() made public for a while; will be gone later.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c         |  2 +-
 fs/sync.c          | 28 +++-------------------------
 include/linux/fs.h |  2 +-
 3 files changed, 5 insertions(+), 27 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 0390461dfca..ba99524998f 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -130,7 +130,7 @@ static inline void destroy_super(struct super_block *s)
  * Drop a superblock's refcount.  Returns non-zero if the superblock was
  * destroyed.  The caller must hold sb_lock.
  */
-static int __put_super(struct super_block *sb)
+int __put_super(struct super_block *sb)
 {
 	int ret = 0;
 
diff --git a/fs/sync.c b/fs/sync.c
index ad6691bae37..f3f0a0e1948 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -80,35 +80,15 @@ EXPORT_SYMBOL_GPL(sync_filesystem);
 /*
  * Sync all the data for all the filesystems (called by sys_sync() and
  * emergency sync)
- *
- * This operation is careful to avoid the livelock which could easily happen
- * if two or more filesystems are being continuously dirtied.  s_need_sync
- * is used only here.  We set it against all filesystems and then clear it as
- * we sync them.  So redirtied filesystems are skipped.
- *
- * But if process A is currently running sync_filesystems and then process B
- * calls sync_filesystems as well, process B will set all the s_need_sync
- * flags again, which will cause process A to resync everything.  Fix that with
- * a local mutex.
  */
 static void sync_filesystems(int wait)
 {
-	struct super_block *sb;
-	static DEFINE_MUTEX(mutex);
+	struct super_block *sb, *n;
 
-	mutex_lock(&mutex);		/* Could be down_interruptible */
 	spin_lock(&sb_lock);
-	list_for_each_entry(sb, &super_blocks, s_list)
-		if (!list_empty(&sb->s_instances))
-			sb->s_need_sync = 1;
-
-restart:
-	list_for_each_entry(sb, &super_blocks, s_list) {
+	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
 		if (list_empty(&sb->s_instances))
 			continue;
-		if (!sb->s_need_sync)
-			continue;
-		sb->s_need_sync = 0;
 		sb->s_count++;
 		spin_unlock(&sb_lock);
 
@@ -119,11 +99,9 @@ restart:
 
 		/* restart only when sb is no longer on the list */
 		spin_lock(&sb_lock);
-		if (__put_super_and_need_restart(sb))
-			goto restart;
+		__put_super(sb);
 	}
 	spin_unlock(&sb_lock);
-	mutex_unlock(&mutex);
 }
 
 /*
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 62f84d955b8..e1c7427802b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1332,7 +1332,6 @@ struct super_block {
 	struct rw_semaphore	s_umount;
 	struct mutex		s_lock;
 	int			s_count;
-	int			s_need_sync;
 	atomic_t		s_active;
 #ifdef CONFIG_SECURITY
 	void                    *s_security;
@@ -1780,6 +1779,7 @@ extern int get_sb_pseudo(struct file_system_type *, char *,
 	struct vfsmount *mnt);
 extern void simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
 int __put_super_and_need_restart(struct super_block *sb);
+int __put_super(struct super_block *sb);
 void put_super(struct super_block *sb);
 
 /* Alas, no aliases. Too much hassle with bringing module.h everywhere */

From 6754af64641e8224c281ee5714e012e3ed41f701 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 20:09:33 -0400
Subject: [PATCH 2670/3638] Convert simple loops over superblocks to
 list_for_each_entry_safe

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/buffer.c      | 7 ++-----
 fs/drop_caches.c | 8 +++-----
 fs/quota/quota.c | 8 +++-----
 fs/super.c       | 8 +++-----
 4 files changed, 11 insertions(+), 20 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 021ec4da993..ded29b0fdac 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -562,12 +562,11 @@ repeat:
 
 static void do_thaw_all(struct work_struct *work)
 {
-	struct super_block *sb;
+	struct super_block *sb, *n;
 	char b[BDEVNAME_SIZE];
 
 	spin_lock(&sb_lock);
-restart:
-	list_for_each_entry(sb, &super_blocks, s_list) {
+	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
 		if (list_empty(&sb->s_instances))
 			continue;
 		sb->s_count++;
@@ -578,8 +577,6 @@ restart:
 			       bdevname(sb->s_bdev, b));
 		up_read(&sb->s_umount);
 		spin_lock(&sb_lock);
-		if (__put_super_and_need_restart(sb))
-			goto restart;
 	}
 	spin_unlock(&sb_lock);
 	kfree(work);
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 9cd4e4a70f5..42728a1f795 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -35,11 +35,10 @@ static void drop_pagecache_sb(struct super_block *sb)
 
 static void drop_pagecache(void)
 {
-	struct super_block *sb;
+	struct super_block *sb, *n;
 
 	spin_lock(&sb_lock);
-restart:
-	list_for_each_entry(sb, &super_blocks, s_list) {
+	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
 		if (list_empty(&sb->s_instances))
 			continue;
 		sb->s_count++;
@@ -49,8 +48,7 @@ restart:
 			drop_pagecache_sb(sb);
 		up_read(&sb->s_umount);
 		spin_lock(&sb_lock);
-		if (__put_super_and_need_restart(sb))
-			goto restart;
+		__put_super(sb);
 	}
 	spin_unlock(&sb_lock);
 }
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 4669e7e639b..2196f8b07c1 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -47,7 +47,7 @@ static int check_quotactl_permission(struct super_block *sb, int type, int cmd,
 
 static int quota_sync_all(int type)
 {
-	struct super_block *sb;
+	struct super_block *sb, *n;
 	int ret;
 
 	if (type >= MAXQUOTAS)
@@ -57,8 +57,7 @@ static int quota_sync_all(int type)
 		return ret;
 
 	spin_lock(&sb_lock);
-restart:
-	list_for_each_entry(sb, &super_blocks, s_list) {
+	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
 		if (list_empty(&sb->s_instances))
 			continue;
 		if (!sb->s_qcop || !sb->s_qcop->quota_sync)
@@ -71,8 +70,7 @@ restart:
 			sb->s_qcop->quota_sync(sb, type, 1);
 		up_read(&sb->s_umount);
 		spin_lock(&sb_lock);
-		if (__put_super_and_need_restart(sb))
-			goto restart;
+		__put_super(sb);
 	}
 	spin_unlock(&sb_lock);
 
diff --git a/fs/super.c b/fs/super.c
index ba99524998f..ccb2b5fa89b 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -395,11 +395,10 @@ EXPORT_SYMBOL(drop_super);
  */
 void sync_supers(void)
 {
-	struct super_block *sb;
+	struct super_block *sb, *n;
 
 	spin_lock(&sb_lock);
-restart:
-	list_for_each_entry(sb, &super_blocks, s_list) {
+	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
 		if (list_empty(&sb->s_instances))
 			continue;
 		if (sb->s_op->write_super && sb->s_dirt) {
@@ -412,8 +411,7 @@ restart:
 			up_read(&sb->s_umount);
 
 			spin_lock(&sb_lock);
-			if (__put_super_and_need_restart(sb))
-				goto restart;
+			__put_super(sb);
 		}
 	}
 	spin_unlock(&sb_lock);

From e7fe0585ca8793e2d43c57e77d4ca79042806acf Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 20:11:53 -0400
Subject: [PATCH 2671/3638] fix do_emergency_remount()/umount() races

need list_for_each_entry_safe() here.  Original didn't even
have restart logics, so if you race with umount() it blew up.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index ccb2b5fa89b..4df8233dfb6 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -602,10 +602,10 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 
 static void do_emergency_remount(struct work_struct *work)
 {
-	struct super_block *sb;
+	struct super_block *sb, *n;
 
 	spin_lock(&sb_lock);
-	list_for_each_entry(sb, &super_blocks, s_list) {
+	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
 		if (list_empty(&sb->s_instances))
 			continue;
 		sb->s_count++;
@@ -618,8 +618,8 @@ static void do_emergency_remount(struct work_struct *work)
 			do_remount_sb(sb, MS_RDONLY, NULL, 1);
 		}
 		up_write(&sb->s_umount);
-		put_super(sb);
 		spin_lock(&sb_lock);
+		__put_super(sb);
 	}
 	spin_unlock(&sb_lock);
 	kfree(work);

From 1494583de59dfad2e3a6788ce9817e658d32df22 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 20:15:33 -0400
Subject: [PATCH 2672/3638] fix get_active_super()/umount() race

This one needs restarts...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 4df8233dfb6..44971d7df1c 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -471,17 +471,17 @@ struct super_block *get_active_super(struct block_device *bdev)
 	if (!bdev)
 		return NULL;
 
+restart:
 	spin_lock(&sb_lock);
 	list_for_each_entry(sb, &super_blocks, s_list) {
 		if (list_empty(&sb->s_instances))
 			continue;
-		if (sb->s_bdev != bdev)
-			continue;
-
-		if (grab_super(sb)) /* drops sb_lock */
-			return sb;
-
-		spin_lock(&sb_lock);
+		if (sb->s_bdev == bdev) {
+			if (grab_super(sb)) /* drops sb_lock */
+				return sb;
+			else
+				goto restart;
+		}
 	}
 	spin_unlock(&sb_lock);
 	return NULL;

From df40c01a9249873e4ad0625ae5d9fb831962b75c Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 20:23:25 -0400
Subject: [PATCH 2673/3638] In get_super() and user_get_super() restarts are
 unconditional

If superblock had been still alive, we would've returned it...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 44971d7df1c..1f72e0d42d8 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -425,7 +425,7 @@ void sync_supers(void)
  *	mounted on the device given. %NULL is returned if no match is found.
  */
 
-struct super_block * get_super(struct block_device *bdev)
+struct super_block *get_super(struct block_device *bdev)
 {
 	struct super_block *sb;
 
@@ -441,13 +441,14 @@ rescan:
 			sb->s_count++;
 			spin_unlock(&sb_lock);
 			down_read(&sb->s_umount);
+			/* still alive? */
 			if (sb->s_root)
 				return sb;
 			up_read(&sb->s_umount);
-			/* restart only when sb is no longer on the list */
+			/* nope, got unmounted */
 			spin_lock(&sb_lock);
-			if (__put_super_and_need_restart(sb))
-				goto rescan;
+			__put_super(sb);
+			goto rescan;
 		}
 	}
 	spin_unlock(&sb_lock);
@@ -487,7 +488,7 @@ restart:
 	return NULL;
 }
  
-struct super_block * user_get_super(dev_t dev)
+struct super_block *user_get_super(dev_t dev)
 {
 	struct super_block *sb;
 
@@ -500,13 +501,14 @@ rescan:
 			sb->s_count++;
 			spin_unlock(&sb_lock);
 			down_read(&sb->s_umount);
+			/* still alive? */
 			if (sb->s_root)
 				return sb;
 			up_read(&sb->s_umount);
-			/* restart only when sb is no longer on the list */
+			/* nope, got unmounted */
 			spin_lock(&sb_lock);
-			if (__put_super_and_need_restart(sb))
-				goto rescan;
+			__put_super(sb);
+			goto rescan;
 		}
 	}
 	spin_unlock(&sb_lock);

From 79893c17b45dec0d3c25bc22d28d9f319b14f573 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 20:27:55 -0400
Subject: [PATCH 2674/3638] fix prune_dcache()/umount() race

... and get rid of the last __put_super_and_need_restart() caller

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dcache.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 5afc4994bb2..d96047b4a63 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -536,7 +536,7 @@ restart:
  */
 static void prune_dcache(int count)
 {
-	struct super_block *sb;
+	struct super_block *sb, *n;
 	int w_count;
 	int unused = dentry_stat.nr_unused;
 	int prune_ratio;
@@ -545,13 +545,12 @@ static void prune_dcache(int count)
 	if (unused == 0 || count == 0)
 		return;
 	spin_lock(&dcache_lock);
-restart:
 	if (count >= unused)
 		prune_ratio = 1;
 	else
 		prune_ratio = unused / count;
 	spin_lock(&sb_lock);
-	list_for_each_entry(sb, &super_blocks, s_list) {
+	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
 		if (list_empty(&sb->s_instances))
 			continue;
 		if (sb->s_nr_dentry_unused == 0)
@@ -592,14 +591,10 @@ restart:
 		}
 		spin_lock(&sb_lock);
 		count -= pruned;
-		/*
-		 * restart only when sb is no longer on the list and
-		 * we have more work to do.
-		 */
-		if (__put_super_and_need_restart(sb) && count > 0) {
-			spin_unlock(&sb_lock);
-			goto restart;
-		}
+		__put_super(sb);
+		/* more work left to do? */
+		if (count <= 0)
+			break;
 	}
 	spin_unlock(&sb_lock);
 	spin_unlock(&dcache_lock);

From 35cf7ba0b46dc3582a01c3860b14bff122662aa3 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 21:13:53 -0400
Subject: [PATCH 2675/3638] Bury __put_super_and_need_restart()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/drop_caches.c   |  1 +
 fs/internal.h      |  2 ++
 fs/quota/quota.c   |  1 +
 fs/super.c         | 30 ++----------------------------
 include/linux/fs.h |  3 ---
 5 files changed, 6 insertions(+), 31 deletions(-)

diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 42728a1f795..52047cf4177 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -8,6 +8,7 @@
 #include <linux/writeback.h>
 #include <linux/sysctl.h>
 #include <linux/gfp.h>
+#include "internal.h"
 
 /* A global variable is a bit ugly, but it keeps the code simple */
 int sysctl_drop_caches;
diff --git a/fs/internal.h b/fs/internal.h
index 8a03a5447bd..6b706bc60a6 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -87,6 +87,8 @@ extern struct file *get_empty_filp(void);
  * super.c
  */
 extern int do_remount_sb(struct super_block *, int, void *, int);
+extern void __put_super(struct super_block *sb);
+extern void put_super(struct super_block *sb);
 
 /*
  * open.c
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 2196f8b07c1..3ce1553ea7e 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -18,6 +18,7 @@
 #include <linux/quotaops.h>
 #include <linux/types.h>
 #include <linux/writeback.h>
+#include "../internal.h"
 
 static int check_quotactl_permission(struct super_block *sb, int type, int cmd,
 				     qid_t id)
diff --git a/fs/super.c b/fs/super.c
index 1f72e0d42d8..95adbb3d8e5 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -127,40 +127,14 @@ static inline void destroy_super(struct super_block *s)
 /* Superblock refcounting  */
 
 /*
- * Drop a superblock's refcount.  Returns non-zero if the superblock was
- * destroyed.  The caller must hold sb_lock.
+ * Drop a superblock's refcount.  The caller must hold sb_lock.
  */
-int __put_super(struct super_block *sb)
+void __put_super(struct super_block *sb)
 {
-	int ret = 0;
-
 	if (!--sb->s_count) {
 		list_del_init(&sb->s_list);
 		destroy_super(sb);
-		ret = 1;
 	}
-	return ret;
-}
-
-/*
- * Drop a superblock's refcount.
- * Returns non-zero if the superblock is about to be destroyed and
- * at least is already removed from super_blocks list, so if we are
- * making a loop through super blocks then we need to restart.
- * The caller must hold sb_lock.
- */
-int __put_super_and_need_restart(struct super_block *sb)
-{
-	/* check for race with generic_shutdown_super() */
-	if (list_empty(&sb->s_instances)) {
-		/* super block is removed, need to restart... */
-		__put_super(sb);
-		return 1;
-	}
-	/* can't be the last, since s_list is still in use */
-	sb->s_count--;
-	BUG_ON(sb->s_count == 0);
-	return 0;
 }
 
 /**
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e1c7427802b..523086714c7 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1778,9 +1778,6 @@ extern int get_sb_pseudo(struct file_system_type *, char *,
 	const struct super_operations *ops, unsigned long,
 	struct vfsmount *mnt);
 extern void simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
-int __put_super_and_need_restart(struct super_block *sb);
-int __put_super(struct super_block *sb);
-void put_super(struct super_block *sb);
 
 /* Alas, no aliases. Too much hassle with bringing module.h everywhere */
 #define fops_get(fops) \

From 01a05b337a5b647909e1d6670f57e7202318a5fb Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 23 Mar 2010 06:06:58 -0400
Subject: [PATCH 2676/3638] new helper: iterate_supers()

... and switch the simple "loop over superblocks and do something"
loops to it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/buffer.c        | 26 +++++++++-----------------
 fs/drop_caches.c   | 25 ++-----------------------
 fs/quota/quota.c   | 33 +++++++++------------------------
 fs/super.c         | 30 ++++++++++++++++++++++++++++++
 fs/sync.c          | 25 ++++++-------------------
 include/linux/fs.h |  1 +
 6 files changed, 57 insertions(+), 83 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index ded29b0fdac..2914d9adfb5 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -560,25 +560,17 @@ repeat:
 	return err;
 }
 
+static void do_thaw_one(struct super_block *sb, void *unused)
+{
+	char b[BDEVNAME_SIZE];
+	while (sb->s_bdev && !thaw_bdev(sb->s_bdev, sb))
+		printk(KERN_WARNING "Emergency Thaw on %s\n",
+		       bdevname(sb->s_bdev, b));
+}
+
 static void do_thaw_all(struct work_struct *work)
 {
-	struct super_block *sb, *n;
-	char b[BDEVNAME_SIZE];
-
-	spin_lock(&sb_lock);
-	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
-		if (list_empty(&sb->s_instances))
-			continue;
-		sb->s_count++;
-		spin_unlock(&sb_lock);
-		down_read(&sb->s_umount);
-		while (sb->s_bdev && !thaw_bdev(sb->s_bdev, sb))
-			printk(KERN_WARNING "Emergency Thaw on %s\n",
-			       bdevname(sb->s_bdev, b));
-		up_read(&sb->s_umount);
-		spin_lock(&sb_lock);
-	}
-	spin_unlock(&sb_lock);
+	iterate_supers(do_thaw_one, NULL);
 	kfree(work);
 	printk(KERN_WARNING "Emergency Thaw complete\n");
 }
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 52047cf4177..83c4f600786 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -8,12 +8,11 @@
 #include <linux/writeback.h>
 #include <linux/sysctl.h>
 #include <linux/gfp.h>
-#include "internal.h"
 
 /* A global variable is a bit ugly, but it keeps the code simple */
 int sysctl_drop_caches;
 
-static void drop_pagecache_sb(struct super_block *sb)
+static void drop_pagecache_sb(struct super_block *sb, void *unused)
 {
 	struct inode *inode, *toput_inode = NULL;
 
@@ -34,26 +33,6 @@ static void drop_pagecache_sb(struct super_block *sb)
 	iput(toput_inode);
 }
 
-static void drop_pagecache(void)
-{
-	struct super_block *sb, *n;
-
-	spin_lock(&sb_lock);
-	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
-		if (list_empty(&sb->s_instances))
-			continue;
-		sb->s_count++;
-		spin_unlock(&sb_lock);
-		down_read(&sb->s_umount);
-		if (sb->s_root)
-			drop_pagecache_sb(sb);
-		up_read(&sb->s_umount);
-		spin_lock(&sb_lock);
-		__put_super(sb);
-	}
-	spin_unlock(&sb_lock);
-}
-
 static void drop_slab(void)
 {
 	int nr_objects;
@@ -69,7 +48,7 @@ int drop_caches_sysctl_handler(ctl_table *table, int write,
 	proc_dointvec_minmax(table, write, buffer, length, ppos);
 	if (write) {
 		if (sysctl_drop_caches & 1)
-			drop_pagecache();
+			iterate_supers(drop_pagecache_sb, NULL);
 		if (sysctl_drop_caches & 2)
 			drop_slab();
 	}
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 3ce1553ea7e..ce3dfd066f5 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -18,7 +18,6 @@
 #include <linux/quotaops.h>
 #include <linux/types.h>
 #include <linux/writeback.h>
-#include "../internal.h"
 
 static int check_quotactl_permission(struct super_block *sb, int type, int cmd,
 				     qid_t id)
@@ -46,36 +45,22 @@ static int check_quotactl_permission(struct super_block *sb, int type, int cmd,
 	return security_quotactl(cmd, type, id, sb);
 }
 
+static void quota_sync_one(struct super_block *sb, void *arg)
+{
+	if (sb->s_qcop && sb->s_qcop->quota_sync)
+		sb->s_qcop->quota_sync(sb, *(int *)arg, 1);
+}
+
 static int quota_sync_all(int type)
 {
-	struct super_block *sb, *n;
 	int ret;
 
 	if (type >= MAXQUOTAS)
 		return -EINVAL;
 	ret = security_quotactl(Q_SYNC, type, 0, NULL);
-	if (ret)
-		return ret;
-
-	spin_lock(&sb_lock);
-	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
-		if (list_empty(&sb->s_instances))
-			continue;
-		if (!sb->s_qcop || !sb->s_qcop->quota_sync)
-			continue;
-
-		sb->s_count++;
-		spin_unlock(&sb_lock);
-		down_read(&sb->s_umount);
-		if (sb->s_root)
-			sb->s_qcop->quota_sync(sb, type, 1);
-		up_read(&sb->s_umount);
-		spin_lock(&sb_lock);
-		__put_super(sb);
-	}
-	spin_unlock(&sb_lock);
-
-	return 0;
+	if (!ret)
+		iterate_supers(quota_sync_one, &type);
+	return ret;
 }
 
 static int quota_quotaon(struct super_block *sb, int type, int cmd, qid_t id,
diff --git a/fs/super.c b/fs/super.c
index 95adbb3d8e5..2c3e370c60d 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -391,6 +391,36 @@ void sync_supers(void)
 	spin_unlock(&sb_lock);
 }
 
+/**
+ *	iterate_supers - call function for all active superblocks
+ *	@f: function to call
+ *	@arg: argument to pass to it
+ *
+ *	Scans the superblock list and calls given function, passing it
+ *	locked superblock and given argument.
+ */
+void iterate_supers(void (*f)(struct super_block *, void *), void *arg)
+{
+	struct super_block *sb, *n;
+
+	spin_lock(&sb_lock);
+	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
+		if (list_empty(&sb->s_instances))
+			continue;
+		sb->s_count++;
+		spin_unlock(&sb_lock);
+
+		down_read(&sb->s_umount);
+		if (sb->s_root)
+			f(sb, arg);
+		up_read(&sb->s_umount);
+
+		spin_lock(&sb_lock);
+		__put_super(sb);
+	}
+	spin_unlock(&sb_lock);
+}
+
 /**
  *	get_super - get the superblock of a device
  *	@bdev: device to get the superblock for
diff --git a/fs/sync.c b/fs/sync.c
index f3f0a0e1948..d5369203f8e 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -77,31 +77,18 @@ int sync_filesystem(struct super_block *sb)
 }
 EXPORT_SYMBOL_GPL(sync_filesystem);
 
+static void sync_one_sb(struct super_block *sb, void *arg)
+{
+	if (!(sb->s_flags & MS_RDONLY) && sb->s_bdi)
+		__sync_filesystem(sb, *(int *)arg);
+}
 /*
  * Sync all the data for all the filesystems (called by sys_sync() and
  * emergency sync)
  */
 static void sync_filesystems(int wait)
 {
-	struct super_block *sb, *n;
-
-	spin_lock(&sb_lock);
-	list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
-		if (list_empty(&sb->s_instances))
-			continue;
-		sb->s_count++;
-		spin_unlock(&sb_lock);
-
-		down_read(&sb->s_umount);
-		if (!(sb->s_flags & MS_RDONLY) && sb->s_root && sb->s_bdi)
-			__sync_filesystem(sb, wait);
-		up_read(&sb->s_umount);
-
-		/* restart only when sb is no longer on the list */
-		spin_lock(&sb_lock);
-		__put_super(sb);
-	}
-	spin_unlock(&sb_lock);
+	iterate_supers(sync_one_sb, &wait);
 }
 
 /*
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 523086714c7..eeb04ba17b6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2324,6 +2324,7 @@ extern struct super_block *get_super(struct block_device *);
 extern struct super_block *get_active_super(struct block_device *bdev);
 extern struct super_block *user_get_super(dev_t);
 extern void drop_super(struct super_block *sb);
+extern void iterate_supers(void (*)(struct super_block *, void *), void *);
 
 extern int dcache_dir_open(struct inode *, struct file *);
 extern int dcache_dir_close(struct inode *, struct file *);

From e8c26255992474a2161c63ce9d385827302e4530 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 23 Mar 2010 06:36:54 -0400
Subject: [PATCH 2677/3638] switch selinux delayed superblock handling to
 iterate_supers()

... kill their private list, while we are at it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 security/selinux/hooks.c          | 55 +++++--------------------------
 security/selinux/include/objsec.h |  1 -
 2 files changed, 8 insertions(+), 48 deletions(-)

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index a03fd74602b..5c9f25ba1c9 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -126,11 +126,6 @@ __setup("selinux=", selinux_enabled_setup);
 int selinux_enabled = 1;
 #endif
 
-/* Lists of inode and superblock security structures initialized
-   before the policy was loaded. */
-static LIST_HEAD(superblock_security_head);
-static DEFINE_SPINLOCK(sb_security_lock);
-
 static struct kmem_cache *sel_inode_cache;
 
 /**
@@ -266,7 +261,6 @@ static int superblock_alloc_security(struct super_block *sb)
 		return -ENOMEM;
 
 	mutex_init(&sbsec->lock);
-	INIT_LIST_HEAD(&sbsec->list);
 	INIT_LIST_HEAD(&sbsec->isec_head);
 	spin_lock_init(&sbsec->isec_lock);
 	sbsec->sb = sb;
@@ -281,12 +275,6 @@ static int superblock_alloc_security(struct super_block *sb)
 static void superblock_free_security(struct super_block *sb)
 {
 	struct superblock_security_struct *sbsec = sb->s_security;
-
-	spin_lock(&sb_security_lock);
-	if (!list_empty(&sbsec->list))
-		list_del_init(&sbsec->list);
-	spin_unlock(&sb_security_lock);
-
 	sb->s_security = NULL;
 	kfree(sbsec);
 }
@@ -612,10 +600,6 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 			/* Defer initialization until selinux_complete_init,
 			   after the initial policy is loaded and the security
 			   server is ready to handle calls. */
-			spin_lock(&sb_security_lock);
-			if (list_empty(&sbsec->list))
-				list_add(&sbsec->list, &superblock_security_head);
-			spin_unlock(&sb_security_lock);
 			goto out;
 		}
 		rc = -EINVAL;
@@ -806,16 +790,10 @@ static void selinux_sb_clone_mnt_opts(const struct super_block *oldsb,
 
 	/*
 	 * if the parent was able to be mounted it clearly had no special lsm
-	 * mount options.  thus we can safely put this sb on the list and deal
-	 * with it later
+	 * mount options.  thus we can safely deal with this superblock later
 	 */
-	if (!ss_initialized) {
-		spin_lock(&sb_security_lock);
-		if (list_empty(&newsbsec->list))
-			list_add(&newsbsec->list, &superblock_security_head);
-		spin_unlock(&sb_security_lock);
+	if (!ss_initialized)
 		return;
-	}
 
 	/* how can we clone if the old one wasn't set up?? */
 	BUG_ON(!(oldsbsec->flags & SE_SBINITIALIZED));
@@ -5680,35 +5658,18 @@ static __init int selinux_init(void)
 	return 0;
 }
 
+static void delayed_superblock_init(struct super_block *sb, void *unused)
+{
+	superblock_doinit(sb, NULL);
+}
+
 void selinux_complete_init(void)
 {
 	printk(KERN_DEBUG "SELinux:  Completing initialization.\n");
 
 	/* Set up any superblocks initialized prior to the policy load. */
 	printk(KERN_DEBUG "SELinux:  Setting up existing superblocks.\n");
-	spin_lock(&sb_lock);
-	spin_lock(&sb_security_lock);
-next_sb:
-	if (!list_empty(&superblock_security_head)) {
-		struct superblock_security_struct *sbsec =
-				list_entry(superblock_security_head.next,
-					   struct superblock_security_struct,
-					   list);
-		struct super_block *sb = sbsec->sb;
-		sb->s_count++;
-		spin_unlock(&sb_security_lock);
-		spin_unlock(&sb_lock);
-		down_read(&sb->s_umount);
-		if (sb->s_root)
-			superblock_doinit(sb, NULL);
-		drop_super(sb);
-		spin_lock(&sb_lock);
-		spin_lock(&sb_security_lock);
-		list_del_init(&sbsec->list);
-		goto next_sb;
-	}
-	spin_unlock(&sb_security_lock);
-	spin_unlock(&sb_lock);
+	iterate_supers(delayed_superblock_init, NULL);
 }
 
 /* SELinux requires early initialization in order to label
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index c4e062336ef..26c7eee1c30 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -55,7 +55,6 @@ struct file_security_struct {
 
 struct superblock_security_struct {
 	struct super_block *sb;		/* back pointer to sb object */
-	struct list_head list;		/* list of superblock_security_struct */
 	u32 sid;			/* SID of file system superblock */
 	u32 def_sid;			/* default SID for labeling */
 	u32 mntpoint_sid;		/* SECURITY_FS_USE_MNTPOINT context for files */

From 7ed1ee6118ae77330cae2a6d5e9383532f7dfb48 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 23 Mar 2010 10:37:36 -0400
Subject: [PATCH 2678/3638] Take statfs variants to fs/statfs.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/Makefile |   2 +-
 fs/open.c   | 166 --------------------------------------------
 fs/statfs.c | 196 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 fs/super.c  |  25 -------
 4 files changed, 197 insertions(+), 192 deletions(-)
 create mode 100644 fs/statfs.c

diff --git a/fs/Makefile b/fs/Makefile
index 97f340f14ba..e6ec1d309b1 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -11,7 +11,7 @@ obj-y :=	open.o read_write.o file_table.o super.o \
 		attr.o bad_inode.o file.o filesystems.o namespace.o \
 		seq_file.o xattr.o libfs.o fs-writeback.o \
 		pnode.o drop_caches.o splice.o sync.o utimes.o \
-		stack.o fs_struct.o
+		stack.o fs_struct.o statfs.o
 
 ifeq ($(CONFIG_BLOCK),y)
 obj-y +=	buffer.o bio.o block_dev.o direct-io.o mpage.o ioprio.o
diff --git a/fs/open.c b/fs/open.c
index 74e5cd9f718..5463266db9e 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -17,7 +17,6 @@
 #include <linux/securebits.h>
 #include <linux/security.h>
 #include <linux/mount.h>
-#include <linux/vfs.h>
 #include <linux/fcntl.h>
 #include <linux/slab.h>
 #include <asm/uaccess.h>
@@ -33,171 +32,6 @@
 
 #include "internal.h"
 
-int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
-{
-	int retval = -ENODEV;
-
-	if (dentry) {
-		retval = -ENOSYS;
-		if (dentry->d_sb->s_op->statfs) {
-			memset(buf, 0, sizeof(*buf));
-			retval = security_sb_statfs(dentry);
-			if (retval)
-				return retval;
-			retval = dentry->d_sb->s_op->statfs(dentry, buf);
-			if (retval == 0 && buf->f_frsize == 0)
-				buf->f_frsize = buf->f_bsize;
-		}
-	}
-	return retval;
-}
-
-EXPORT_SYMBOL(vfs_statfs);
-
-static int vfs_statfs_native(struct dentry *dentry, struct statfs *buf)
-{
-	struct kstatfs st;
-	int retval;
-
-	retval = vfs_statfs(dentry, &st);
-	if (retval)
-		return retval;
-
-	if (sizeof(*buf) == sizeof(st))
-		memcpy(buf, &st, sizeof(st));
-	else {
-		if (sizeof buf->f_blocks == 4) {
-			if ((st.f_blocks | st.f_bfree | st.f_bavail |
-			     st.f_bsize | st.f_frsize) &
-			    0xffffffff00000000ULL)
-				return -EOVERFLOW;
-			/*
-			 * f_files and f_ffree may be -1; it's okay to stuff
-			 * that into 32 bits
-			 */
-			if (st.f_files != -1 &&
-			    (st.f_files & 0xffffffff00000000ULL))
-				return -EOVERFLOW;
-			if (st.f_ffree != -1 &&
-			    (st.f_ffree & 0xffffffff00000000ULL))
-				return -EOVERFLOW;
-		}
-
-		buf->f_type = st.f_type;
-		buf->f_bsize = st.f_bsize;
-		buf->f_blocks = st.f_blocks;
-		buf->f_bfree = st.f_bfree;
-		buf->f_bavail = st.f_bavail;
-		buf->f_files = st.f_files;
-		buf->f_ffree = st.f_ffree;
-		buf->f_fsid = st.f_fsid;
-		buf->f_namelen = st.f_namelen;
-		buf->f_frsize = st.f_frsize;
-		memset(buf->f_spare, 0, sizeof(buf->f_spare));
-	}
-	return 0;
-}
-
-static int vfs_statfs64(struct dentry *dentry, struct statfs64 *buf)
-{
-	struct kstatfs st;
-	int retval;
-
-	retval = vfs_statfs(dentry, &st);
-	if (retval)
-		return retval;
-
-	if (sizeof(*buf) == sizeof(st))
-		memcpy(buf, &st, sizeof(st));
-	else {
-		buf->f_type = st.f_type;
-		buf->f_bsize = st.f_bsize;
-		buf->f_blocks = st.f_blocks;
-		buf->f_bfree = st.f_bfree;
-		buf->f_bavail = st.f_bavail;
-		buf->f_files = st.f_files;
-		buf->f_ffree = st.f_ffree;
-		buf->f_fsid = st.f_fsid;
-		buf->f_namelen = st.f_namelen;
-		buf->f_frsize = st.f_frsize;
-		memset(buf->f_spare, 0, sizeof(buf->f_spare));
-	}
-	return 0;
-}
-
-SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct statfs __user *, buf)
-{
-	struct path path;
-	int error;
-
-	error = user_path(pathname, &path);
-	if (!error) {
-		struct statfs tmp;
-		error = vfs_statfs_native(path.dentry, &tmp);
-		if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
-			error = -EFAULT;
-		path_put(&path);
-	}
-	return error;
-}
-
-SYSCALL_DEFINE3(statfs64, const char __user *, pathname, size_t, sz, struct statfs64 __user *, buf)
-{
-	struct path path;
-	long error;
-
-	if (sz != sizeof(*buf))
-		return -EINVAL;
-	error = user_path(pathname, &path);
-	if (!error) {
-		struct statfs64 tmp;
-		error = vfs_statfs64(path.dentry, &tmp);
-		if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
-			error = -EFAULT;
-		path_put(&path);
-	}
-	return error;
-}
-
-SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct statfs __user *, buf)
-{
-	struct file * file;
-	struct statfs tmp;
-	int error;
-
-	error = -EBADF;
-	file = fget(fd);
-	if (!file)
-		goto out;
-	error = vfs_statfs_native(file->f_path.dentry, &tmp);
-	if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
-		error = -EFAULT;
-	fput(file);
-out:
-	return error;
-}
-
-SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, size_t, sz, struct statfs64 __user *, buf)
-{
-	struct file * file;
-	struct statfs64 tmp;
-	int error;
-
-	if (sz != sizeof(*buf))
-		return -EINVAL;
-
-	error = -EBADF;
-	file = fget(fd);
-	if (!file)
-		goto out;
-	error = vfs_statfs64(file->f_path.dentry, &tmp);
-	if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
-		error = -EFAULT;
-	fput(file);
-out:
-	return error;
-}
-
 int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
 	struct file *filp)
 {
diff --git a/fs/statfs.c b/fs/statfs.c
new file mode 100644
index 00000000000..4ef021f3b61
--- /dev/null
+++ b/fs/statfs.c
@@ -0,0 +1,196 @@
+#include <linux/syscalls.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/file.h>
+#include <linux/namei.h>
+#include <linux/statfs.h>
+#include <linux/security.h>
+#include <linux/uaccess.h>
+
+int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
+{
+	int retval = -ENODEV;
+
+	if (dentry) {
+		retval = -ENOSYS;
+		if (dentry->d_sb->s_op->statfs) {
+			memset(buf, 0, sizeof(*buf));
+			retval = security_sb_statfs(dentry);
+			if (retval)
+				return retval;
+			retval = dentry->d_sb->s_op->statfs(dentry, buf);
+			if (retval == 0 && buf->f_frsize == 0)
+				buf->f_frsize = buf->f_bsize;
+		}
+	}
+	return retval;
+}
+
+EXPORT_SYMBOL(vfs_statfs);
+
+static int vfs_statfs_native(struct dentry *dentry, struct statfs *buf)
+{
+	struct kstatfs st;
+	int retval;
+
+	retval = vfs_statfs(dentry, &st);
+	if (retval)
+		return retval;
+
+	if (sizeof(*buf) == sizeof(st))
+		memcpy(buf, &st, sizeof(st));
+	else {
+		if (sizeof buf->f_blocks == 4) {
+			if ((st.f_blocks | st.f_bfree | st.f_bavail |
+			     st.f_bsize | st.f_frsize) &
+			    0xffffffff00000000ULL)
+				return -EOVERFLOW;
+			/*
+			 * f_files and f_ffree may be -1; it's okay to stuff
+			 * that into 32 bits
+			 */
+			if (st.f_files != -1 &&
+			    (st.f_files & 0xffffffff00000000ULL))
+				return -EOVERFLOW;
+			if (st.f_ffree != -1 &&
+			    (st.f_ffree & 0xffffffff00000000ULL))
+				return -EOVERFLOW;
+		}
+
+		buf->f_type = st.f_type;
+		buf->f_bsize = st.f_bsize;
+		buf->f_blocks = st.f_blocks;
+		buf->f_bfree = st.f_bfree;
+		buf->f_bavail = st.f_bavail;
+		buf->f_files = st.f_files;
+		buf->f_ffree = st.f_ffree;
+		buf->f_fsid = st.f_fsid;
+		buf->f_namelen = st.f_namelen;
+		buf->f_frsize = st.f_frsize;
+		memset(buf->f_spare, 0, sizeof(buf->f_spare));
+	}
+	return 0;
+}
+
+static int vfs_statfs64(struct dentry *dentry, struct statfs64 *buf)
+{
+	struct kstatfs st;
+	int retval;
+
+	retval = vfs_statfs(dentry, &st);
+	if (retval)
+		return retval;
+
+	if (sizeof(*buf) == sizeof(st))
+		memcpy(buf, &st, sizeof(st));
+	else {
+		buf->f_type = st.f_type;
+		buf->f_bsize = st.f_bsize;
+		buf->f_blocks = st.f_blocks;
+		buf->f_bfree = st.f_bfree;
+		buf->f_bavail = st.f_bavail;
+		buf->f_files = st.f_files;
+		buf->f_ffree = st.f_ffree;
+		buf->f_fsid = st.f_fsid;
+		buf->f_namelen = st.f_namelen;
+		buf->f_frsize = st.f_frsize;
+		memset(buf->f_spare, 0, sizeof(buf->f_spare));
+	}
+	return 0;
+}
+
+SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct statfs __user *, buf)
+{
+	struct path path;
+	int error;
+
+	error = user_path(pathname, &path);
+	if (!error) {
+		struct statfs tmp;
+		error = vfs_statfs_native(path.dentry, &tmp);
+		if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
+			error = -EFAULT;
+		path_put(&path);
+	}
+	return error;
+}
+
+SYSCALL_DEFINE3(statfs64, const char __user *, pathname, size_t, sz, struct statfs64 __user *, buf)
+{
+	struct path path;
+	long error;
+
+	if (sz != sizeof(*buf))
+		return -EINVAL;
+	error = user_path(pathname, &path);
+	if (!error) {
+		struct statfs64 tmp;
+		error = vfs_statfs64(path.dentry, &tmp);
+		if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
+			error = -EFAULT;
+		path_put(&path);
+	}
+	return error;
+}
+
+SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct statfs __user *, buf)
+{
+	struct file *file;
+	struct statfs tmp;
+	int error;
+
+	error = -EBADF;
+	file = fget(fd);
+	if (!file)
+		goto out;
+	error = vfs_statfs_native(file->f_path.dentry, &tmp);
+	if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
+		error = -EFAULT;
+	fput(file);
+out:
+	return error;
+}
+
+SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, size_t, sz, struct statfs64 __user *, buf)
+{
+	struct file *file;
+	struct statfs64 tmp;
+	int error;
+
+	if (sz != sizeof(*buf))
+		return -EINVAL;
+
+	error = -EBADF;
+	file = fget(fd);
+	if (!file)
+		goto out;
+	error = vfs_statfs64(file->f_path.dentry, &tmp);
+	if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
+		error = -EFAULT;
+	fput(file);
+out:
+	return error;
+}
+
+SYSCALL_DEFINE2(ustat, unsigned, dev, struct ustat __user *, ubuf)
+{
+	struct super_block *s;
+	struct ustat tmp;
+	struct kstatfs sbuf;
+	int err;
+
+	s = user_get_super(new_decode_dev(dev));
+	if (!s)
+		return -EINVAL;
+
+	err = vfs_statfs(s->s_root, &sbuf);
+	drop_super(s);
+	if (err)
+		return err;
+
+	memset(&tmp,0,sizeof(struct ustat));
+	tmp.f_tfree = sbuf.f_bfree;
+	tmp.f_tinode = sbuf.f_ffree;
+
+	return copy_to_user(ubuf, &tmp, sizeof(struct ustat)) ? -EFAULT : 0;
+}
diff --git a/fs/super.c b/fs/super.c
index 2c3e370c60d..dba74e71875 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -31,7 +31,6 @@
 #include <linux/mount.h>
 #include <linux/security.h>
 #include <linux/syscalls.h>
-#include <linux/vfs.h>
 #include <linux/writeback.h>		/* for the emergency remount stuff */
 #include <linux/idr.h>
 #include <linux/kobject.h>
@@ -519,30 +518,6 @@ rescan:
 	return NULL;
 }
 
-SYSCALL_DEFINE2(ustat, unsigned, dev, struct ustat __user *, ubuf)
-{
-        struct super_block *s;
-        struct ustat tmp;
-        struct kstatfs sbuf;
-	int err = -EINVAL;
-
-        s = user_get_super(new_decode_dev(dev));
-        if (s == NULL)
-                goto out;
-	err = vfs_statfs(s->s_root, &sbuf);
-	drop_super(s);
-	if (err)
-		goto out;
-
-        memset(&tmp,0,sizeof(struct ustat));
-        tmp.f_tfree = sbuf.f_bfree;
-        tmp.f_tinode = sbuf.f_ffree;
-
-        err = copy_to_user(ubuf,&tmp,sizeof(struct ustat)) ? -EFAULT : 0;
-out:
-	return err;
-}
-
 /**
  *	do_remount_sb - asks filesystem to change mount options.
  *	@sb:	superblock in question

From d3f2147307cce9eac56dd91d381709aa3f1615b3 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 23 Mar 2010 11:11:05 -0400
Subject: [PATCH 2679/3638] Move grabbing s_umount to callers of grab_super()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/block_dev.c | 1 +
 fs/super.c     | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 6dcee88c2e5..39cb6591d37 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -245,6 +245,7 @@ struct super_block *freeze_bdev(struct block_device *bdev)
 	sb = get_active_super(bdev);
 	if (!sb)
 		goto out;
+	down_write(&sb->s_umount);
 	if (sb->s_flags & MS_RDONLY) {
 		sb->s_frozen = SB_FREEZE_TRANS;
 		up_write(&sb->s_umount);
diff --git a/fs/super.c b/fs/super.c
index dba74e71875..61fa181faa4 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -210,7 +210,6 @@ static int grab_super(struct super_block *s) __releases(sb_lock)
 {
 	if (atomic_inc_not_zero(&s->s_active)) {
 		spin_unlock(&sb_lock);
-		down_write(&s->s_umount);
 		return 1;
 	}
 	/* it's going away */
@@ -317,6 +316,7 @@ retry:
 				up_write(&s->s_umount);
 				destroy_super(s);
 			}
+			down_write(&old->s_umount);
 			return old;
 		}
 	}
@@ -466,7 +466,7 @@ EXPORT_SYMBOL(get_super);
  *
  * Scans the superblock list and finds the superblock of the file system
  * mounted on the device given.  Returns the superblock with an active
- * reference and s_umount held exclusively or %NULL if none was found.
+ * reference or %NULL if none was found.
  */
 struct super_block *get_active_super(struct block_device *bdev)
 {

From e1e46bf1866317d4f86f66bf18d3f07317d9f9ee Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 23 Mar 2010 13:56:07 -0400
Subject: [PATCH 2680/3638] Trim includes in fs/super.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 61fa181faa4..c248ac6a1a2 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -22,22 +22,15 @@
 
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/smp_lock.h>
 #include <linux/acct.h>
 #include <linux/blkdev.h>
 #include <linux/quotaops.h>
-#include <linux/namei.h>
 #include <linux/mount.h>
 #include <linux/security.h>
-#include <linux/syscalls.h>
 #include <linux/writeback.h>		/* for the emergency remount stuff */
 #include <linux/idr.h>
-#include <linux/kobject.h>
 #include <linux/mutex.h>
-#include <linux/file.h>
 #include <linux/backing-dev.h>
-#include <asm/uaccess.h>
 #include "internal.h"
 
 

From 18e9e5104fcd9a973ffe3eed3816c87f2a1b6cd2 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Tue, 23 Mar 2010 10:34:56 -0400
Subject: [PATCH 2681/3638] Introduce freeze_super and thaw_super for the
 fsfreeze ioctl

Currently the way we do freezing is by passing sb>s_bdev to freeze_bdev and then
letting it do all the work.  But freezing is more of an fs thing, and doesn't
really have much to do with the bdev at all, all the work gets done with the
super.  In btrfs we do not populate s_bdev, since we can have multiple bdev's
for one fs and setting s_bdev makes removing devices from a pool kind of tricky.
This means that freezing a btrfs filesystem fails, which causes us to corrupt
with things like tux-on-ice which use the fsfreeze mechanism.  So instead of
populating sb->s_bdev with a random bdev in our pool, I've broken the actual fs
freezing stuff into freeze_super and thaw_super.  These just take the
super_block that we're freezing and does the appropriate work.  It's basically
just copy and pasted from freeze_bdev.  I've then converted freeze_bdev over to
use the new super helpers.  I've tested this with ext4 and btrfs and verified
everything continues to work the same as before.

The only new gotcha is multiple calls to the fsfreeze ioctl will return EBUSY if
the fs is already frozen.  I thought this was a better solution than adding a
freeze counter to the super_block, but if everybody hates this idea I'm open to
suggestions.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/block_dev.c     | 72 ++++++++-----------------------------
 fs/ioctl.c         | 15 ++------
 fs/super.c         | 90 ++++++++++++++++++++++++++++++++++++++++++++++
 include/linux/fs.h |  2 ++
 4 files changed, 109 insertions(+), 70 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 39cb6591d37..1aba036dcab 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -245,38 +245,14 @@ struct super_block *freeze_bdev(struct block_device *bdev)
 	sb = get_active_super(bdev);
 	if (!sb)
 		goto out;
-	down_write(&sb->s_umount);
-	if (sb->s_flags & MS_RDONLY) {
-		sb->s_frozen = SB_FREEZE_TRANS;
-		up_write(&sb->s_umount);
+	error = freeze_super(sb);
+	if (error) {
+		deactivate_super(sb);
+		bdev->bd_fsfreeze_count--;
 		mutex_unlock(&bdev->bd_fsfreeze_mutex);
-		return sb;
+		return ERR_PTR(error);
 	}
-
-	sb->s_frozen = SB_FREEZE_WRITE;
-	smp_wmb();
-
-	sync_filesystem(sb);
-
-	sb->s_frozen = SB_FREEZE_TRANS;
-	smp_wmb();
-
-	sync_blockdev(sb->s_bdev);
-
-	if (sb->s_op->freeze_fs) {
-		error = sb->s_op->freeze_fs(sb);
-		if (error) {
-			printk(KERN_ERR
-				"VFS:Filesystem freeze failed\n");
-			sb->s_frozen = SB_UNFROZEN;
-			deactivate_locked_super(sb);
-			bdev->bd_fsfreeze_count--;
-			mutex_unlock(&bdev->bd_fsfreeze_mutex);
-			return ERR_PTR(error);
-		}
-	}
-	up_write(&sb->s_umount);
-
+	deactivate_super(sb);
  out:
 	sync_blockdev(bdev);
 	mutex_unlock(&bdev->bd_fsfreeze_mutex);
@@ -297,40 +273,22 @@ int thaw_bdev(struct block_device *bdev, struct super_block *sb)
 
 	mutex_lock(&bdev->bd_fsfreeze_mutex);
 	if (!bdev->bd_fsfreeze_count)
-		goto out_unlock;
+		goto out;
 
 	error = 0;
 	if (--bdev->bd_fsfreeze_count > 0)
-		goto out_unlock;
+		goto out;
 
 	if (!sb)
-		goto out_unlock;
+		goto out;
 
-	BUG_ON(sb->s_bdev != bdev);
-	down_write(&sb->s_umount);
-	if (sb->s_flags & MS_RDONLY)
-		goto out_unfrozen;
-
-	if (sb->s_op->unfreeze_fs) {
-		error = sb->s_op->unfreeze_fs(sb);
-		if (error) {
-			printk(KERN_ERR
-				"VFS:Filesystem thaw failed\n");
-			sb->s_frozen = SB_FREEZE_TRANS;
-			bdev->bd_fsfreeze_count++;
-			mutex_unlock(&bdev->bd_fsfreeze_mutex);
-			return error;
-		}
+	error = thaw_super(sb);
+	if (error) {
+		bdev->bd_fsfreeze_count++;
+		mutex_unlock(&bdev->bd_fsfreeze_mutex);
+		return error;
 	}
-
-out_unfrozen:
-	sb->s_frozen = SB_UNFROZEN;
-	smp_wmb();
-	wake_up(&sb->s_wait_unfrozen);
-
-	if (sb)
-		deactivate_locked_super(sb);
-out_unlock:
+out:
 	mutex_unlock(&bdev->bd_fsfreeze_mutex);
 	return 0;
 }
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 7faefb4da93..2d140a71386 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -525,15 +525,8 @@ static int ioctl_fsfreeze(struct file *filp)
 	if (sb->s_op->freeze_fs == NULL)
 		return -EOPNOTSUPP;
 
-	/* If a blockdevice-backed filesystem isn't specified, return. */
-	if (sb->s_bdev == NULL)
-		return -EINVAL;
-
 	/* Freeze */
-	sb = freeze_bdev(sb->s_bdev);
-	if (IS_ERR(sb))
-		return PTR_ERR(sb);
-	return 0;
+	return freeze_super(sb);
 }
 
 static int ioctl_fsthaw(struct file *filp)
@@ -543,12 +536,8 @@ static int ioctl_fsthaw(struct file *filp)
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	/* If a blockdevice-backed filesystem isn't specified, return EINVAL. */
-	if (sb->s_bdev == NULL)
-		return -EINVAL;
-
 	/* Thaw */
-	return thaw_bdev(sb->s_bdev, sb);
+	return thaw_super(sb);
 }
 
 /*
diff --git a/fs/super.c b/fs/super.c
index c248ac6a1a2..89afca5055a 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -944,6 +944,96 @@ out:
 
 EXPORT_SYMBOL_GPL(vfs_kern_mount);
 
+/**
+ * freeze_super -- lock the filesystem and force it into a consistent state
+ * @super: the super to lock
+ *
+ * Syncs the super to make sure the filesystem is consistent and calls the fs's
+ * freeze_fs.  Subsequent calls to this without first thawing the fs will return
+ * -EBUSY.
+ */
+int freeze_super(struct super_block *sb)
+{
+	int ret;
+
+	atomic_inc(&sb->s_active);
+	down_write(&sb->s_umount);
+	if (sb->s_frozen) {
+		deactivate_locked_super(sb);
+		return -EBUSY;
+	}
+
+	if (sb->s_flags & MS_RDONLY) {
+		sb->s_frozen = SB_FREEZE_TRANS;
+		smp_wmb();
+		up_write(&sb->s_umount);
+		return 0;
+	}
+
+	sb->s_frozen = SB_FREEZE_WRITE;
+	smp_wmb();
+
+	sync_filesystem(sb);
+
+	sb->s_frozen = SB_FREEZE_TRANS;
+	smp_wmb();
+
+	sync_blockdev(sb->s_bdev);
+	if (sb->s_op->freeze_fs) {
+		ret = sb->s_op->freeze_fs(sb);
+		if (ret) {
+			printk(KERN_ERR
+				"VFS:Filesystem freeze failed\n");
+			sb->s_frozen = SB_UNFROZEN;
+			deactivate_locked_super(sb);
+			return ret;
+		}
+	}
+	up_write(&sb->s_umount);
+	return 0;
+}
+EXPORT_SYMBOL(freeze_super);
+
+/**
+ * thaw_super -- unlock filesystem
+ * @sb: the super to thaw
+ *
+ * Unlocks the filesystem and marks it writeable again after freeze_super().
+ */
+int thaw_super(struct super_block *sb)
+{
+	int error;
+
+	down_write(&sb->s_umount);
+	if (sb->s_frozen == SB_UNFROZEN) {
+		up_write(&sb->s_umount);
+		return -EINVAL;
+	}
+
+	if (sb->s_flags & MS_RDONLY)
+		goto out;
+
+	if (sb->s_op->unfreeze_fs) {
+		error = sb->s_op->unfreeze_fs(sb);
+		if (error) {
+			printk(KERN_ERR
+				"VFS:Filesystem thaw failed\n");
+			sb->s_frozen = SB_FREEZE_TRANS;
+			up_write(&sb->s_umount);
+			return error;
+		}
+	}
+
+out:
+	sb->s_frozen = SB_UNFROZEN;
+	smp_wmb();
+	wake_up(&sb->s_wait_unfrozen);
+	deactivate_locked_super(sb);
+
+	return 0;
+}
+EXPORT_SYMBOL(thaw_super);
+
 static struct vfsmount *fs_set_subtype(struct vfsmount *mnt, const char *fstype)
 {
 	int err;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index eeb04ba17b6..d51256bc632 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1797,6 +1797,8 @@ extern void drop_collected_mounts(struct vfsmount *);
 extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,
 			  struct vfsmount *);
 extern int vfs_statfs(struct dentry *, struct kstatfs *);
+extern int freeze_super(struct super_block *super);
+extern int thaw_super(struct super_block *super);
 
 extern int current_umask(void);
 

From bb4354538eb7b92f32cfedbad68c7be266c0b467 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:14 -0700
Subject: [PATCH 2682/3638] fs: xattr_handler table should be const

The entries in xattr handler table should be immutable (ie const)
like other operation tables.

Later patches convert common filesystems. Uncoverted filesystems
will still work, but will generate a compiler warning.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/generic_acl.c            |  4 ++--
 fs/xattr.c                  | 14 +++++++-------
 include/linux/fs.h          |  2 +-
 include/linux/generic_acl.h |  4 ++--
 include/linux/xattr.h       |  2 +-
 mm/shmem.c                  |  4 ++--
 6 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/fs/generic_acl.c b/fs/generic_acl.c
index fe5df545765..99800e56415 100644
--- a/fs/generic_acl.c
+++ b/fs/generic_acl.c
@@ -201,7 +201,7 @@ generic_check_acl(struct inode *inode, int mask)
 	return -EAGAIN;
 }
 
-struct xattr_handler generic_acl_access_handler = {
+const struct xattr_handler generic_acl_access_handler = {
 	.prefix = POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_ACCESS,
 	.list	= generic_acl_list,
@@ -209,7 +209,7 @@ struct xattr_handler generic_acl_access_handler = {
 	.set	= generic_acl_set,
 };
 
-struct xattr_handler generic_acl_default_handler = {
+const struct xattr_handler generic_acl_default_handler = {
 	.prefix = POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.list	= generic_acl_list,
diff --git a/fs/xattr.c b/fs/xattr.c
index 46f87e828b4..01bb8135e14 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -590,10 +590,10 @@ strcmp_prefix(const char *a, const char *a_prefix)
 /*
  * Find the xattr_handler with the matching prefix.
  */
-static struct xattr_handler *
-xattr_resolve_name(struct xattr_handler **handlers, const char **name)
+static const struct xattr_handler *
+xattr_resolve_name(const struct xattr_handler **handlers, const char **name)
 {
-	struct xattr_handler *handler;
+	const struct xattr_handler *handler;
 
 	if (!*name)
 		return NULL;
@@ -614,7 +614,7 @@ xattr_resolve_name(struct xattr_handler **handlers, const char **name)
 ssize_t
 generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size)
 {
-	struct xattr_handler *handler;
+	const struct xattr_handler *handler;
 
 	handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);
 	if (!handler)
@@ -629,7 +629,7 @@ generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t s
 ssize_t
 generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
 {
-	struct xattr_handler *handler, **handlers = dentry->d_sb->s_xattr;
+	const struct xattr_handler *handler, **handlers = dentry->d_sb->s_xattr;
 	unsigned int size = 0;
 
 	if (!buffer) {
@@ -659,7 +659,7 @@ generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
 int
 generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags)
 {
-	struct xattr_handler *handler;
+	const struct xattr_handler *handler;
 
 	if (size == 0)
 		value = "";  /* empty EA, do not remove */
@@ -676,7 +676,7 @@ generic_setxattr(struct dentry *dentry, const char *name, const void *value, siz
 int
 generic_removexattr(struct dentry *dentry, const char *name)
 {
-	struct xattr_handler *handler;
+	const struct xattr_handler *handler;
 
 	handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);
 	if (!handler)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d51256bc632..6660db898c4 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1336,7 +1336,7 @@ struct super_block {
 #ifdef CONFIG_SECURITY
 	void                    *s_security;
 #endif
-	struct xattr_handler	**s_xattr;
+	const struct xattr_handler **s_xattr;
 
 	struct list_head	s_inodes;	/* all inodes */
 	struct hlist_head	s_anon;		/* anonymous dentries for (nfs) exporting */
diff --git a/include/linux/generic_acl.h b/include/linux/generic_acl.h
index ca666d18ed6..574bea4013b 100644
--- a/include/linux/generic_acl.h
+++ b/include/linux/generic_acl.h
@@ -5,8 +5,8 @@
 
 struct inode;
 
-extern struct xattr_handler generic_acl_access_handler;
-extern struct xattr_handler generic_acl_default_handler;
+extern const struct xattr_handler generic_acl_access_handler;
+extern const struct xattr_handler generic_acl_default_handler;
 
 int generic_acl_init(struct inode *, struct inode *);
 int generic_acl_chmod(struct inode *);
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index fb9b7e6e1e2..0cfa1e9c4cc 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -37,7 +37,7 @@ struct inode;
 struct dentry;
 
 struct xattr_handler {
-	char *prefix;
+	const char *prefix;
 	int flags;	/* fs private flags passed back to the handlers */
 	size_t (*list)(struct dentry *dentry, char *list, size_t list_size,
 		       const char *name, size_t name_len, int handler_flags);
diff --git a/mm/shmem.c b/mm/shmem.c
index eef4ebea515..717aa62ff12 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2071,14 +2071,14 @@ static int shmem_xattr_security_set(struct dentry *dentry, const char *name,
 					  size, flags);
 }
 
-static struct xattr_handler shmem_xattr_security_handler = {
+static const struct xattr_handler shmem_xattr_security_handler = {
 	.prefix = XATTR_SECURITY_PREFIX,
 	.list   = shmem_xattr_security_list,
 	.get    = shmem_xattr_security_get,
 	.set    = shmem_xattr_security_set,
 };
 
-static struct xattr_handler *shmem_xattr_handlers[] = {
+static const struct xattr_handler *shmem_xattr_handlers[] = {
 	&generic_acl_access_handler,
 	&generic_acl_default_handler,
 	&shmem_xattr_security_handler,

From f01cbd3f8148f2056567f829e07c157b28b2dd1e Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:15 -0700
Subject: [PATCH 2683/3638] btrfs: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/btrfs/acl.c   | 4 ++--
 fs/btrfs/xattr.c | 2 +-
 fs/btrfs/xattr.h | 6 +++---
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 6ef7b26724e..8d432cd9d58 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -282,14 +282,14 @@ int btrfs_acl_chmod(struct inode *inode)
 	return ret;
 }
 
-struct xattr_handler btrfs_xattr_acl_default_handler = {
+const struct xattr_handler btrfs_xattr_acl_default_handler = {
 	.prefix = POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.get	= btrfs_xattr_acl_get,
 	.set	= btrfs_xattr_acl_set,
 };
 
-struct xattr_handler btrfs_xattr_acl_access_handler = {
+const struct xattr_handler btrfs_xattr_acl_access_handler = {
 	.prefix = POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_ACCESS,
 	.get	= btrfs_xattr_acl_get,
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 193b58f7d3f..59acd3eb288 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -282,7 +282,7 @@ err:
  * List of handlers for synthetic system.* attributes.  All real ondisk
  * attributes are handled directly.
  */
-struct xattr_handler *btrfs_xattr_handlers[] = {
+const struct xattr_handler *btrfs_xattr_handlers[] = {
 #ifdef CONFIG_BTRFS_FS_POSIX_ACL
 	&btrfs_xattr_acl_access_handler,
 	&btrfs_xattr_acl_default_handler,
diff --git a/fs/btrfs/xattr.h b/fs/btrfs/xattr.h
index 721efa0346e..7a43fd640bb 100644
--- a/fs/btrfs/xattr.h
+++ b/fs/btrfs/xattr.h
@@ -21,9 +21,9 @@
 
 #include <linux/xattr.h>
 
-extern struct xattr_handler btrfs_xattr_acl_access_handler;
-extern struct xattr_handler btrfs_xattr_acl_default_handler;
-extern struct xattr_handler *btrfs_xattr_handlers[];
+extern const struct xattr_handler btrfs_xattr_acl_access_handler;
+extern const struct xattr_handler btrfs_xattr_acl_default_handler;
+extern const struct xattr_handler *btrfs_xattr_handlers[];
 
 extern ssize_t __btrfs_getxattr(struct inode *inode, const char *name,
 		void *buffer, size_t size);

From 749c72efa4bd91dad3a8c2ac8bfaa7c45490ceef Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:16 -0700
Subject: [PATCH 2684/3638] ext2: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext2/acl.c            |  4 ++--
 fs/ext2/xattr.c          | 10 +++++-----
 fs/ext2/xattr.h          | 12 ++++++------
 fs/ext2/xattr_security.c |  2 +-
 fs/ext2/xattr_trusted.c  |  2 +-
 fs/ext2/xattr_user.c     |  2 +-
 6 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c
index a99e54318c3..ca7e2a0ed98 100644
--- a/fs/ext2/acl.c
+++ b/fs/ext2/acl.c
@@ -420,7 +420,7 @@ release_and_out:
 	return error;
 }
 
-struct xattr_handler ext2_xattr_acl_access_handler = {
+const struct xattr_handler ext2_xattr_acl_access_handler = {
 	.prefix	= POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_ACCESS,
 	.list	= ext2_xattr_list_acl_access,
@@ -428,7 +428,7 @@ struct xattr_handler ext2_xattr_acl_access_handler = {
 	.set	= ext2_xattr_set_acl,
 };
 
-struct xattr_handler ext2_xattr_acl_default_handler = {
+const struct xattr_handler ext2_xattr_acl_default_handler = {
 	.prefix	= POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.list	= ext2_xattr_list_acl_default,
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 3b96045a00c..7c3915780b1 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -101,7 +101,7 @@ static void ext2_xattr_rehash(struct ext2_xattr_header *,
 
 static struct mb_cache *ext2_xattr_cache;
 
-static struct xattr_handler *ext2_xattr_handler_map[] = {
+static const struct xattr_handler *ext2_xattr_handler_map[] = {
 	[EXT2_XATTR_INDEX_USER]		     = &ext2_xattr_user_handler,
 #ifdef CONFIG_EXT2_FS_POSIX_ACL
 	[EXT2_XATTR_INDEX_POSIX_ACL_ACCESS]  = &ext2_xattr_acl_access_handler,
@@ -113,7 +113,7 @@ static struct xattr_handler *ext2_xattr_handler_map[] = {
 #endif
 };
 
-struct xattr_handler *ext2_xattr_handlers[] = {
+const struct xattr_handler *ext2_xattr_handlers[] = {
 	&ext2_xattr_user_handler,
 	&ext2_xattr_trusted_handler,
 #ifdef CONFIG_EXT2_FS_POSIX_ACL
@@ -126,10 +126,10 @@ struct xattr_handler *ext2_xattr_handlers[] = {
 	NULL
 };
 
-static inline struct xattr_handler *
+static inline const struct xattr_handler *
 ext2_xattr_handler(int name_index)
 {
-	struct xattr_handler *handler = NULL;
+	const struct xattr_handler *handler = NULL;
 
 	if (name_index > 0 && name_index < ARRAY_SIZE(ext2_xattr_handler_map))
 		handler = ext2_xattr_handler_map[name_index];
@@ -298,7 +298,7 @@ bad_block:	ext2_error(inode->i_sb, "ext2_xattr_list",
 	/* list the attribute names */
 	for (entry = FIRST_ENTRY(bh); !IS_LAST_ENTRY(entry);
 	     entry = EXT2_XATTR_NEXT(entry)) {
-		struct xattr_handler *handler =
+		const struct xattr_handler *handler =
 			ext2_xattr_handler(entry->e_name_index);
 
 		if (handler) {
diff --git a/fs/ext2/xattr.h b/fs/ext2/xattr.h
index bf8175b2ced..a1a1c218461 100644
--- a/fs/ext2/xattr.h
+++ b/fs/ext2/xattr.h
@@ -55,11 +55,11 @@ struct ext2_xattr_entry {
 
 # ifdef CONFIG_EXT2_FS_XATTR
 
-extern struct xattr_handler ext2_xattr_user_handler;
-extern struct xattr_handler ext2_xattr_trusted_handler;
-extern struct xattr_handler ext2_xattr_acl_access_handler;
-extern struct xattr_handler ext2_xattr_acl_default_handler;
-extern struct xattr_handler ext2_xattr_security_handler;
+extern const struct xattr_handler ext2_xattr_user_handler;
+extern const struct xattr_handler ext2_xattr_trusted_handler;
+extern const struct xattr_handler ext2_xattr_acl_access_handler;
+extern const struct xattr_handler ext2_xattr_acl_default_handler;
+extern const struct xattr_handler ext2_xattr_security_handler;
 
 extern ssize_t ext2_listxattr(struct dentry *, char *, size_t);
 
@@ -72,7 +72,7 @@ extern void ext2_xattr_put_super(struct super_block *);
 extern int init_ext2_xattr(void);
 extern void exit_ext2_xattr(void);
 
-extern struct xattr_handler *ext2_xattr_handlers[];
+extern const struct xattr_handler *ext2_xattr_handlers[];
 
 # else  /* CONFIG_EXT2_FS_XATTR */
 
diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c
index b118c6383c6..3004e15d5da 100644
--- a/fs/ext2/xattr_security.c
+++ b/fs/ext2/xattr_security.c
@@ -67,7 +67,7 @@ ext2_init_security(struct inode *inode, struct inode *dir)
 	return err;
 }
 
-struct xattr_handler ext2_xattr_security_handler = {
+const struct xattr_handler ext2_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
 	.list	= ext2_xattr_security_list,
 	.get	= ext2_xattr_security_get,
diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c
index 2a26d71f477..667e46a8d62 100644
--- a/fs/ext2/xattr_trusted.c
+++ b/fs/ext2/xattr_trusted.c
@@ -50,7 +50,7 @@ ext2_xattr_trusted_set(struct dentry *dentry, const char *name,
 			      value, size, flags);
 }
 
-struct xattr_handler ext2_xattr_trusted_handler = {
+const struct xattr_handler ext2_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
 	.list	= ext2_xattr_trusted_list,
 	.get	= ext2_xattr_trusted_get,
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c
index 3f6caf3684b..099d20f4716 100644
--- a/fs/ext2/xattr_user.c
+++ b/fs/ext2/xattr_user.c
@@ -54,7 +54,7 @@ ext2_xattr_user_set(struct dentry *dentry, const char *name,
 			      name, value, size, flags);
 }
 
-struct xattr_handler ext2_xattr_user_handler = {
+const struct xattr_handler ext2_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
 	.list	= ext2_xattr_user_list,
 	.get	= ext2_xattr_user_get,

From d1f21049f9185e589849051d94c9a50151c6a7dc Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:17 -0700
Subject: [PATCH 2685/3638] ext3: constify xattr handlers

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext3/acl.c            |  4 ++--
 fs/ext3/xattr.c          | 10 +++++-----
 fs/ext3/xattr.h          | 12 ++++++------
 fs/ext3/xattr_security.c |  2 +-
 fs/ext3/xattr_trusted.c  |  2 +-
 fs/ext3/xattr_user.c     |  2 +-
 6 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/fs/ext3/acl.c b/fs/ext3/acl.c
index 82ba3415866..01552abbca3 100644
--- a/fs/ext3/acl.c
+++ b/fs/ext3/acl.c
@@ -456,7 +456,7 @@ release_and_out:
 	return error;
 }
 
-struct xattr_handler ext3_xattr_acl_access_handler = {
+const struct xattr_handler ext3_xattr_acl_access_handler = {
 	.prefix	= POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_ACCESS,
 	.list	= ext3_xattr_list_acl_access,
@@ -464,7 +464,7 @@ struct xattr_handler ext3_xattr_acl_access_handler = {
 	.set	= ext3_xattr_set_acl,
 };
 
-struct xattr_handler ext3_xattr_acl_default_handler = {
+const struct xattr_handler ext3_xattr_acl_default_handler = {
 	.prefix	= POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.list	= ext3_xattr_list_acl_default,
diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
index 534a94c3a93..71fb8d65e54 100644
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -104,7 +104,7 @@ static int ext3_xattr_list(struct dentry *dentry, char *buffer,
 
 static struct mb_cache *ext3_xattr_cache;
 
-static struct xattr_handler *ext3_xattr_handler_map[] = {
+static const struct xattr_handler *ext3_xattr_handler_map[] = {
 	[EXT3_XATTR_INDEX_USER]		     = &ext3_xattr_user_handler,
 #ifdef CONFIG_EXT3_FS_POSIX_ACL
 	[EXT3_XATTR_INDEX_POSIX_ACL_ACCESS]  = &ext3_xattr_acl_access_handler,
@@ -116,7 +116,7 @@ static struct xattr_handler *ext3_xattr_handler_map[] = {
 #endif
 };
 
-struct xattr_handler *ext3_xattr_handlers[] = {
+const struct xattr_handler *ext3_xattr_handlers[] = {
 	&ext3_xattr_user_handler,
 	&ext3_xattr_trusted_handler,
 #ifdef CONFIG_EXT3_FS_POSIX_ACL
@@ -129,10 +129,10 @@ struct xattr_handler *ext3_xattr_handlers[] = {
 	NULL
 };
 
-static inline struct xattr_handler *
+static inline const struct xattr_handler *
 ext3_xattr_handler(int name_index)
 {
-	struct xattr_handler *handler = NULL;
+	const struct xattr_handler *handler = NULL;
 
 	if (name_index > 0 && name_index < ARRAY_SIZE(ext3_xattr_handler_map))
 		handler = ext3_xattr_handler_map[name_index];
@@ -338,7 +338,7 @@ ext3_xattr_list_entries(struct dentry *dentry, struct ext3_xattr_entry *entry,
 	size_t rest = buffer_size;
 
 	for (; !IS_LAST_ENTRY(entry); entry = EXT3_XATTR_NEXT(entry)) {
-		struct xattr_handler *handler =
+		const struct xattr_handler *handler =
 			ext3_xattr_handler(entry->e_name_index);
 
 		if (handler) {
diff --git a/fs/ext3/xattr.h b/fs/ext3/xattr.h
index 148a4dfc82a..377fe720116 100644
--- a/fs/ext3/xattr.h
+++ b/fs/ext3/xattr.h
@@ -58,11 +58,11 @@ struct ext3_xattr_entry {
 
 # ifdef CONFIG_EXT3_FS_XATTR
 
-extern struct xattr_handler ext3_xattr_user_handler;
-extern struct xattr_handler ext3_xattr_trusted_handler;
-extern struct xattr_handler ext3_xattr_acl_access_handler;
-extern struct xattr_handler ext3_xattr_acl_default_handler;
-extern struct xattr_handler ext3_xattr_security_handler;
+extern const struct xattr_handler ext3_xattr_user_handler;
+extern const struct xattr_handler ext3_xattr_trusted_handler;
+extern const struct xattr_handler ext3_xattr_acl_access_handler;
+extern const struct xattr_handler ext3_xattr_acl_default_handler;
+extern const struct xattr_handler ext3_xattr_security_handler;
 
 extern ssize_t ext3_listxattr(struct dentry *, char *, size_t);
 
@@ -76,7 +76,7 @@ extern void ext3_xattr_put_super(struct super_block *);
 extern int init_ext3_xattr(void);
 extern void exit_ext3_xattr(void);
 
-extern struct xattr_handler *ext3_xattr_handlers[];
+extern const struct xattr_handler *ext3_xattr_handlers[];
 
 # else  /* CONFIG_EXT3_FS_XATTR */
 
diff --git a/fs/ext3/xattr_security.c b/fs/ext3/xattr_security.c
index 3af91f476df..03a99bfc59f 100644
--- a/fs/ext3/xattr_security.c
+++ b/fs/ext3/xattr_security.c
@@ -69,7 +69,7 @@ ext3_init_security(handle_t *handle, struct inode *inode, struct inode *dir)
 	return err;
 }
 
-struct xattr_handler ext3_xattr_security_handler = {
+const struct xattr_handler ext3_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
 	.list	= ext3_xattr_security_list,
 	.get	= ext3_xattr_security_get,
diff --git a/fs/ext3/xattr_trusted.c b/fs/ext3/xattr_trusted.c
index e5562845ed9..dc8edda9ffe 100644
--- a/fs/ext3/xattr_trusted.c
+++ b/fs/ext3/xattr_trusted.c
@@ -51,7 +51,7 @@ ext3_xattr_trusted_set(struct dentry *dentry, const char *name,
 			      value, size, flags);
 }
 
-struct xattr_handler ext3_xattr_trusted_handler = {
+const struct xattr_handler ext3_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
 	.list	= ext3_xattr_trusted_list,
 	.get	= ext3_xattr_trusted_get,
diff --git a/fs/ext3/xattr_user.c b/fs/ext3/xattr_user.c
index 3bcfe9ee0a6..7a321974d58 100644
--- a/fs/ext3/xattr_user.c
+++ b/fs/ext3/xattr_user.c
@@ -54,7 +54,7 @@ ext3_xattr_user_set(struct dentry *dentry, const char *name,
 			      name, value, size, flags);
 }
 
-struct xattr_handler ext3_xattr_user_handler = {
+const struct xattr_handler ext3_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
 	.list	= ext3_xattr_user_list,
 	.get	= ext3_xattr_user_get,

From 11e27528076e7dee63f1db78bffbef6310f076f4 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:18 -0700
Subject: [PATCH 2686/3638] ext4: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext4/acl.c            |  4 ++--
 fs/ext4/xattr.c          | 10 +++++-----
 fs/ext4/xattr.h          | 12 ++++++------
 fs/ext4/xattr_security.c |  2 +-
 fs/ext4/xattr_trusted.c  |  2 +-
 fs/ext4/xattr_user.c     |  2 +-
 6 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 8a2a29d35a6..feaf498feaa 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -454,7 +454,7 @@ release_and_out:
 	return error;
 }
 
-struct xattr_handler ext4_xattr_acl_access_handler = {
+const struct xattr_handler ext4_xattr_acl_access_handler = {
 	.prefix	= POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_ACCESS,
 	.list	= ext4_xattr_list_acl_access,
@@ -462,7 +462,7 @@ struct xattr_handler ext4_xattr_acl_access_handler = {
 	.set	= ext4_xattr_set_acl,
 };
 
-struct xattr_handler ext4_xattr_acl_default_handler = {
+const struct xattr_handler ext4_xattr_acl_default_handler = {
 	.prefix	= POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.list	= ext4_xattr_list_acl_default,
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index b4c5aa8489d..2de0e951508 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -97,7 +97,7 @@ static int ext4_xattr_list(struct dentry *dentry, char *buffer,
 
 static struct mb_cache *ext4_xattr_cache;
 
-static struct xattr_handler *ext4_xattr_handler_map[] = {
+static const struct xattr_handler *ext4_xattr_handler_map[] = {
 	[EXT4_XATTR_INDEX_USER]		     = &ext4_xattr_user_handler,
 #ifdef CONFIG_EXT4_FS_POSIX_ACL
 	[EXT4_XATTR_INDEX_POSIX_ACL_ACCESS]  = &ext4_xattr_acl_access_handler,
@@ -109,7 +109,7 @@ static struct xattr_handler *ext4_xattr_handler_map[] = {
 #endif
 };
 
-struct xattr_handler *ext4_xattr_handlers[] = {
+const struct xattr_handler *ext4_xattr_handlers[] = {
 	&ext4_xattr_user_handler,
 	&ext4_xattr_trusted_handler,
 #ifdef CONFIG_EXT4_FS_POSIX_ACL
@@ -122,10 +122,10 @@ struct xattr_handler *ext4_xattr_handlers[] = {
 	NULL
 };
 
-static inline struct xattr_handler *
+static inline const struct xattr_handler *
 ext4_xattr_handler(int name_index)
 {
-	struct xattr_handler *handler = NULL;
+	const struct xattr_handler *handler = NULL;
 
 	if (name_index > 0 && name_index < ARRAY_SIZE(ext4_xattr_handler_map))
 		handler = ext4_xattr_handler_map[name_index];
@@ -332,7 +332,7 @@ ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry,
 	size_t rest = buffer_size;
 
 	for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) {
-		struct xattr_handler *handler =
+		const struct xattr_handler *handler =
 			ext4_xattr_handler(entry->e_name_index);
 
 		if (handler) {
diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index 8ede88b18c2..518e96e4390 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -65,11 +65,11 @@ struct ext4_xattr_entry {
 
 # ifdef CONFIG_EXT4_FS_XATTR
 
-extern struct xattr_handler ext4_xattr_user_handler;
-extern struct xattr_handler ext4_xattr_trusted_handler;
-extern struct xattr_handler ext4_xattr_acl_access_handler;
-extern struct xattr_handler ext4_xattr_acl_default_handler;
-extern struct xattr_handler ext4_xattr_security_handler;
+extern const struct xattr_handler ext4_xattr_user_handler;
+extern const struct xattr_handler ext4_xattr_trusted_handler;
+extern const struct xattr_handler ext4_xattr_acl_access_handler;
+extern const struct xattr_handler ext4_xattr_acl_default_handler;
+extern const struct xattr_handler ext4_xattr_security_handler;
 
 extern ssize_t ext4_listxattr(struct dentry *, char *, size_t);
 
@@ -86,7 +86,7 @@ extern int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
 extern int init_ext4_xattr(void);
 extern void exit_ext4_xattr(void);
 
-extern struct xattr_handler *ext4_xattr_handlers[];
+extern const struct xattr_handler *ext4_xattr_handlers[];
 
 # else  /* CONFIG_EXT4_FS_XATTR */
 
diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index 8b145e98df0..9b21268e121 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -69,7 +69,7 @@ ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir)
 	return err;
 }
 
-struct xattr_handler ext4_xattr_security_handler = {
+const struct xattr_handler ext4_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
 	.list	= ext4_xattr_security_list,
 	.get	= ext4_xattr_security_get,
diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c
index 15b50edc658..37e6ebca2cc 100644
--- a/fs/ext4/xattr_trusted.c
+++ b/fs/ext4/xattr_trusted.c
@@ -51,7 +51,7 @@ ext4_xattr_trusted_set(struct dentry *dentry, const char *name,
 			      name, value, size, flags);
 }
 
-struct xattr_handler ext4_xattr_trusted_handler = {
+const struct xattr_handler ext4_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
 	.list	= ext4_xattr_trusted_list,
 	.get	= ext4_xattr_trusted_get,
diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c
index c4ce05746ce..98c375352d0 100644
--- a/fs/ext4/xattr_user.c
+++ b/fs/ext4/xattr_user.c
@@ -54,7 +54,7 @@ ext4_xattr_user_set(struct dentry *dentry, const char *name,
 			      name, value, size, flags);
 }
 
-struct xattr_handler ext4_xattr_user_handler = {
+const struct xattr_handler ext4_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
 	.list	= ext4_xattr_user_list,
 	.get	= ext4_xattr_user_get,

From 94d09a98cdb163be12fb5c76841fa295f0bee22a Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:19 -0700
Subject: [PATCH 2687/3638] reiserfs: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/reiserfs/xattr.c            | 16 ++++++++--------
 fs/reiserfs/xattr_acl.c        |  4 ++--
 fs/reiserfs/xattr_security.c   |  2 +-
 fs/reiserfs/xattr_trusted.c    |  2 +-
 fs/reiserfs/xattr_user.c       |  2 +-
 include/linux/reiserfs_acl.h   |  4 ++--
 include/linux/reiserfs_xattr.h |  6 +++---
 7 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index e7cc00e636d..8c4cf273c67 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -723,11 +723,11 @@ out:
 			(handler) = *(handlers)++)
 
 /* This is the implementation for the xattr plugin infrastructure */
-static inline struct xattr_handler *
-find_xattr_handler_prefix(struct xattr_handler **handlers,
+static inline const struct xattr_handler *
+find_xattr_handler_prefix(const struct xattr_handler **handlers,
 			   const char *name)
 {
-	struct xattr_handler *xah;
+	const struct xattr_handler *xah;
 
 	if (!handlers)
 		return NULL;
@@ -748,7 +748,7 @@ ssize_t
 reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer,
 		  size_t size)
 {
-	struct xattr_handler *handler;
+	const struct xattr_handler *handler;
 
 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
 
@@ -767,7 +767,7 @@ int
 reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
 		  size_t size, int flags)
 {
-	struct xattr_handler *handler;
+	const struct xattr_handler *handler;
 
 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
 
@@ -784,7 +784,7 @@ reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
  */
 int reiserfs_removexattr(struct dentry *dentry, const char *name)
 {
-	struct xattr_handler *handler;
+	const struct xattr_handler *handler;
 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
 
 	if (!handler || get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)
@@ -807,7 +807,7 @@ static int listxattr_filler(void *buf, const char *name, int namelen,
 	size_t size;
 	if (name[0] != '.' ||
 	    (namelen != 1 && (name[1] != '.' || namelen != 2))) {
-		struct xattr_handler *handler;
+		const struct xattr_handler *handler;
 		handler = find_xattr_handler_prefix(b->dentry->d_sb->s_xattr,
 						    name);
 		if (!handler)	/* Unsupported xattr name */
@@ -920,7 +920,7 @@ static int create_privroot(struct dentry *dentry) { return 0; }
 #endif
 
 /* Actual operations that are exported to VFS-land */
-struct xattr_handler *reiserfs_xattr_handlers[] = {
+const struct xattr_handler *reiserfs_xattr_handlers[] = {
 #ifdef CONFIG_REISERFS_FS_XATTR
 	&reiserfs_xattr_user_handler,
 	&reiserfs_xattr_trusted_handler,
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 9cdb759645a..536d697a8a2 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -500,7 +500,7 @@ static size_t posix_acl_access_list(struct dentry *dentry, char *list,
 	return size;
 }
 
-struct xattr_handler reiserfs_posix_acl_access_handler = {
+const struct xattr_handler reiserfs_posix_acl_access_handler = {
 	.prefix = POSIX_ACL_XATTR_ACCESS,
 	.flags = ACL_TYPE_ACCESS,
 	.get = posix_acl_get,
@@ -520,7 +520,7 @@ static size_t posix_acl_default_list(struct dentry *dentry, char *list,
 	return size;
 }
 
-struct xattr_handler reiserfs_posix_acl_default_handler = {
+const struct xattr_handler reiserfs_posix_acl_default_handler = {
 	.prefix = POSIX_ACL_XATTR_DEFAULT,
 	.flags = ACL_TYPE_DEFAULT,
 	.get = posix_acl_get,
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index 7271a477c04..237c6928d3c 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -111,7 +111,7 @@ void reiserfs_security_free(struct reiserfs_security_handle *sec)
 	sec->value = NULL;
 }
 
-struct xattr_handler reiserfs_xattr_security_handler = {
+const struct xattr_handler reiserfs_xattr_security_handler = {
 	.prefix = XATTR_SECURITY_PREFIX,
 	.get = security_get,
 	.set = security_set,
diff --git a/fs/reiserfs/xattr_trusted.c b/fs/reiserfs/xattr_trusted.c
index 5b08aaca3da..9883736ce3e 100644
--- a/fs/reiserfs/xattr_trusted.c
+++ b/fs/reiserfs/xattr_trusted.c
@@ -48,7 +48,7 @@ static size_t trusted_list(struct dentry *dentry, char *list, size_t list_size,
 	return len;
 }
 
-struct xattr_handler reiserfs_xattr_trusted_handler = {
+const struct xattr_handler reiserfs_xattr_trusted_handler = {
 	.prefix = XATTR_TRUSTED_PREFIX,
 	.get = trusted_get,
 	.set = trusted_set,
diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c
index 75d59c49b91..45ae1a00013 100644
--- a/fs/reiserfs/xattr_user.c
+++ b/fs/reiserfs/xattr_user.c
@@ -44,7 +44,7 @@ static size_t user_list(struct dentry *dentry, char *list, size_t list_size,
 	return len;
 }
 
-struct xattr_handler reiserfs_xattr_user_handler = {
+const struct xattr_handler reiserfs_xattr_user_handler = {
 	.prefix = XATTR_USER_PREFIX,
 	.get = user_get,
 	.set = user_set,
diff --git a/include/linux/reiserfs_acl.h b/include/linux/reiserfs_acl.h
index b4448853900..3fd8c4506bb 100644
--- a/include/linux/reiserfs_acl.h
+++ b/include/linux/reiserfs_acl.h
@@ -53,8 +53,8 @@ int reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
 				 struct inode *dir, struct dentry *dentry,
 				 struct inode *inode);
 int reiserfs_cache_default_acl(struct inode *dir);
-extern struct xattr_handler reiserfs_posix_acl_default_handler;
-extern struct xattr_handler reiserfs_posix_acl_access_handler;
+extern const struct xattr_handler reiserfs_posix_acl_default_handler;
+extern const struct xattr_handler reiserfs_posix_acl_access_handler;
 
 #else
 
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 7fa02b4af83..b2cf2089769 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -58,9 +58,9 @@ int reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *,
 			      struct inode *, const char *, const void *,
 			      size_t, int);
 
-extern struct xattr_handler reiserfs_xattr_user_handler;
-extern struct xattr_handler reiserfs_xattr_trusted_handler;
-extern struct xattr_handler reiserfs_xattr_security_handler;
+extern const struct xattr_handler reiserfs_xattr_user_handler;
+extern const struct xattr_handler reiserfs_xattr_trusted_handler;
+extern const struct xattr_handler reiserfs_xattr_security_handler;
 #ifdef CONFIG_REISERFS_FS_SECURITY
 int reiserfs_security_init(struct inode *dir, struct inode *inode,
 			   struct reiserfs_security_handle *sec);

From 46e58764f0c502847ed1f4662aa37eefa602a8f9 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:20 -0700
Subject: [PATCH 2688/3638] xfs: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/xfs/linux-2.6/xfs_acl.c   | 4 ++--
 fs/xfs/linux-2.6/xfs_super.h | 2 +-
 fs/xfs/linux-2.6/xfs_xattr.c | 8 ++++----
 fs/xfs/xfs_acl.h             | 4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/linux-2.6/xfs_acl.c
index a7bc925c4d6..9f769b5b38f 100644
--- a/fs/xfs/linux-2.6/xfs_acl.c
+++ b/fs/xfs/linux-2.6/xfs_acl.c
@@ -440,14 +440,14 @@ xfs_xattr_acl_set(struct dentry *dentry, const char *name,
 	return error;
 }
 
-struct xattr_handler xfs_xattr_acl_access_handler = {
+const struct xattr_handler xfs_xattr_acl_access_handler = {
 	.prefix	= POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_ACCESS,
 	.get	= xfs_xattr_acl_get,
 	.set	= xfs_xattr_acl_set,
 };
 
-struct xattr_handler xfs_xattr_acl_default_handler = {
+const struct xattr_handler xfs_xattr_acl_default_handler = {
 	.prefix	= POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.get	= xfs_xattr_acl_get,
diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h
index 233d4b9881b..519618e9279 100644
--- a/fs/xfs/linux-2.6/xfs_super.h
+++ b/fs/xfs/linux-2.6/xfs_super.h
@@ -85,7 +85,7 @@ extern __uint64_t xfs_max_file_offset(unsigned int);
 extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
 
 extern const struct export_operations xfs_export_operations;
-extern struct xattr_handler *xfs_xattr_handlers[];
+extern const struct xattr_handler *xfs_xattr_handlers[];
 extern const struct quotactl_ops xfs_quotactl_operations;
 
 #define XFS_M(sb)		((struct xfs_mount *)((sb)->s_fs_info))
diff --git a/fs/xfs/linux-2.6/xfs_xattr.c b/fs/xfs/linux-2.6/xfs_xattr.c
index fa01b9daba6..87d3e03878c 100644
--- a/fs/xfs/linux-2.6/xfs_xattr.c
+++ b/fs/xfs/linux-2.6/xfs_xattr.c
@@ -72,28 +72,28 @@ xfs_xattr_set(struct dentry *dentry, const char *name, const void *value,
 				(void *)value, size, xflags);
 }
 
-static struct xattr_handler xfs_xattr_user_handler = {
+static const struct xattr_handler xfs_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
 	.flags	= 0, /* no flags implies user namespace */
 	.get	= xfs_xattr_get,
 	.set	= xfs_xattr_set,
 };
 
-static struct xattr_handler xfs_xattr_trusted_handler = {
+static const struct xattr_handler xfs_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
 	.flags	= ATTR_ROOT,
 	.get	= xfs_xattr_get,
 	.set	= xfs_xattr_set,
 };
 
-static struct xattr_handler xfs_xattr_security_handler = {
+static const struct xattr_handler xfs_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
 	.flags	= ATTR_SECURE,
 	.get	= xfs_xattr_get,
 	.set	= xfs_xattr_set,
 };
 
-struct xattr_handler *xfs_xattr_handlers[] = {
+const struct xattr_handler *xfs_xattr_handlers[] = {
 	&xfs_xattr_user_handler,
 	&xfs_xattr_trusted_handler,
 	&xfs_xattr_security_handler,
diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h
index d13eeba2c8f..0135e2a669d 100644
--- a/fs/xfs/xfs_acl.h
+++ b/fs/xfs/xfs_acl.h
@@ -49,8 +49,8 @@ extern int xfs_acl_chmod(struct inode *inode);
 extern int posix_acl_access_exists(struct inode *inode);
 extern int posix_acl_default_exists(struct inode *inode);
 
-extern struct xattr_handler xfs_xattr_acl_access_handler;
-extern struct xattr_handler xfs_xattr_acl_default_handler;
+extern const struct xattr_handler xfs_xattr_acl_access_handler;
+extern const struct xattr_handler xfs_xattr_acl_default_handler;
 #else
 # define xfs_check_acl					NULL
 # define xfs_get_acl(inode, type)			NULL

From 365f0cb9d2d5eea911798935133e8dd27ea5f3fc Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:21 -0700
Subject: [PATCH 2689/3638] jffs2: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/jffs2/acl.c           | 4 ++--
 fs/jffs2/acl.h           | 4 ++--
 fs/jffs2/security.c      | 2 +-
 fs/jffs2/xattr.c         | 8 ++++----
 fs/jffs2/xattr.h         | 8 ++++----
 fs/jffs2/xattr_trusted.c | 2 +-
 fs/jffs2/xattr_user.c    | 2 +-
 7 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 7cdc3196476..a33aab6b5e6 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -419,7 +419,7 @@ static int jffs2_acl_setxattr(struct dentry *dentry, const char *name,
 	return rc;
 }
 
-struct xattr_handler jffs2_acl_access_xattr_handler = {
+const struct xattr_handler jffs2_acl_access_xattr_handler = {
 	.prefix	= POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_DEFAULT,
 	.list	= jffs2_acl_access_listxattr,
@@ -427,7 +427,7 @@ struct xattr_handler jffs2_acl_access_xattr_handler = {
 	.set	= jffs2_acl_setxattr,
 };
 
-struct xattr_handler jffs2_acl_default_xattr_handler = {
+const struct xattr_handler jffs2_acl_default_xattr_handler = {
 	.prefix	= POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.list	= jffs2_acl_default_listxattr,
diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h
index f0ba63e3c36..5e42de8d954 100644
--- a/fs/jffs2/acl.h
+++ b/fs/jffs2/acl.h
@@ -31,8 +31,8 @@ extern int jffs2_acl_chmod(struct inode *);
 extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
 extern int jffs2_init_acl_post(struct inode *);
 
-extern struct xattr_handler jffs2_acl_access_xattr_handler;
-extern struct xattr_handler jffs2_acl_default_xattr_handler;
+extern const struct xattr_handler jffs2_acl_access_xattr_handler;
+extern const struct xattr_handler jffs2_acl_default_xattr_handler;
 
 #else
 
diff --git a/fs/jffs2/security.c b/fs/jffs2/security.c
index eaccee05858..239f51216a6 100644
--- a/fs/jffs2/security.c
+++ b/fs/jffs2/security.c
@@ -77,7 +77,7 @@ static size_t jffs2_security_listxattr(struct dentry *dentry, char *list,
 	return retlen;
 }
 
-struct xattr_handler jffs2_security_xattr_handler = {
+const struct xattr_handler jffs2_security_xattr_handler = {
 	.prefix = XATTR_SECURITY_PREFIX,
 	.list = jffs2_security_listxattr,
 	.set = jffs2_security_setxattr,
diff --git a/fs/jffs2/xattr.c b/fs/jffs2/xattr.c
index 9e75c62c85d..a2d58c96f1b 100644
--- a/fs/jffs2/xattr.c
+++ b/fs/jffs2/xattr.c
@@ -904,7 +904,7 @@ struct jffs2_xattr_datum *jffs2_setup_xattr_datum(struct jffs2_sb_info *c,
  * do_jffs2_setxattr(inode, xprefix, xname, buffer, size, flags)
  *   is an implementation of setxattr handler on jffs2.
  * -------------------------------------------------- */
-struct xattr_handler *jffs2_xattr_handlers[] = {
+const struct xattr_handler *jffs2_xattr_handlers[] = {
 	&jffs2_user_xattr_handler,
 #ifdef CONFIG_JFFS2_FS_SECURITY
 	&jffs2_security_xattr_handler,
@@ -917,8 +917,8 @@ struct xattr_handler *jffs2_xattr_handlers[] = {
 	NULL
 };
 
-static struct xattr_handler *xprefix_to_handler(int xprefix) {
-	struct xattr_handler *ret;
+static const struct xattr_handler *xprefix_to_handler(int xprefix) {
+	const struct xattr_handler *ret;
 
 	switch (xprefix) {
 	case JFFS2_XPREFIX_USER:
@@ -955,7 +955,7 @@ ssize_t jffs2_listxattr(struct dentry *dentry, char *buffer, size_t size)
 	struct jffs2_inode_cache *ic = f->inocache;
 	struct jffs2_xattr_ref *ref, **pref;
 	struct jffs2_xattr_datum *xd;
-	struct xattr_handler *xhandle;
+	const struct xattr_handler *xhandle;
 	ssize_t len, rc;
 	int retry = 0;
 
diff --git a/fs/jffs2/xattr.h b/fs/jffs2/xattr.h
index 6e3b5ddfb7a..cf4f5759b42 100644
--- a/fs/jffs2/xattr.h
+++ b/fs/jffs2/xattr.h
@@ -93,9 +93,9 @@ extern int do_jffs2_getxattr(struct inode *inode, int xprefix, const char *xname
 extern int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
 			     const char *buffer, size_t size, int flags);
 
-extern struct xattr_handler *jffs2_xattr_handlers[];
-extern struct xattr_handler jffs2_user_xattr_handler;
-extern struct xattr_handler jffs2_trusted_xattr_handler;
+extern const struct xattr_handler *jffs2_xattr_handlers[];
+extern const struct xattr_handler jffs2_user_xattr_handler;
+extern const struct xattr_handler jffs2_trusted_xattr_handler;
 
 extern ssize_t jffs2_listxattr(struct dentry *, char *, size_t);
 #define jffs2_getxattr		generic_getxattr
@@ -122,7 +122,7 @@ extern ssize_t jffs2_listxattr(struct dentry *, char *, size_t);
 
 #ifdef CONFIG_JFFS2_FS_SECURITY
 extern int jffs2_init_security(struct inode *inode, struct inode *dir);
-extern struct xattr_handler jffs2_security_xattr_handler;
+extern const struct xattr_handler jffs2_security_xattr_handler;
 #else
 #define jffs2_init_security(inode,dir)	(0)
 #endif /* CONFIG_JFFS2_FS_SECURITY */
diff --git a/fs/jffs2/xattr_trusted.c b/fs/jffs2/xattr_trusted.c
index 3e5a5e356e0..1c868194c50 100644
--- a/fs/jffs2/xattr_trusted.c
+++ b/fs/jffs2/xattr_trusted.c
@@ -47,7 +47,7 @@ static size_t jffs2_trusted_listxattr(struct dentry *dentry, char *list,
 	return retlen;
 }
 
-struct xattr_handler jffs2_trusted_xattr_handler = {
+const struct xattr_handler jffs2_trusted_xattr_handler = {
 	.prefix = XATTR_TRUSTED_PREFIX,
 	.list = jffs2_trusted_listxattr,
 	.set = jffs2_trusted_setxattr,
diff --git a/fs/jffs2/xattr_user.c b/fs/jffs2/xattr_user.c
index 8544af67dff..916b5c96603 100644
--- a/fs/jffs2/xattr_user.c
+++ b/fs/jffs2/xattr_user.c
@@ -47,7 +47,7 @@ static size_t jffs2_user_listxattr(struct dentry *dentry, char *list,
 	return retlen;
 }
 
-struct xattr_handler jffs2_user_xattr_handler = {
+const struct xattr_handler jffs2_user_xattr_handler = {
 	.prefix = XATTR_USER_PREFIX,
 	.list = jffs2_user_listxattr,
 	.set = jffs2_user_setxattr,

From 537d81ca7c5338e4f13f3e7e7b50e87ba293ec68 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:22 -0700
Subject: [PATCH 2690/3638] ocfs: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ocfs2/acl.c   |  4 ++--
 fs/ocfs2/xattr.c | 12 ++++++------
 fs/ocfs2/xattr.h | 12 ++++++------
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index e13fc9e8fcd..da702294d7e 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -489,7 +489,7 @@ cleanup:
 	return ret;
 }
 
-struct xattr_handler ocfs2_xattr_acl_access_handler = {
+const struct xattr_handler ocfs2_xattr_acl_access_handler = {
 	.prefix	= POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_ACCESS,
 	.list	= ocfs2_xattr_list_acl_access,
@@ -497,7 +497,7 @@ struct xattr_handler ocfs2_xattr_acl_access_handler = {
 	.set	= ocfs2_xattr_set_acl,
 };
 
-struct xattr_handler ocfs2_xattr_acl_default_handler = {
+const struct xattr_handler ocfs2_xattr_acl_default_handler = {
 	.prefix	= POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.list	= ocfs2_xattr_list_acl_default,
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 98ee6c44102..e97b34842cf 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -97,7 +97,7 @@ static struct ocfs2_xattr_def_value_root def_xv = {
 	.xv.xr_list.l_count = cpu_to_le16(1),
 };
 
-struct xattr_handler *ocfs2_xattr_handlers[] = {
+const struct xattr_handler *ocfs2_xattr_handlers[] = {
 	&ocfs2_xattr_user_handler,
 	&ocfs2_xattr_acl_access_handler,
 	&ocfs2_xattr_acl_default_handler,
@@ -106,7 +106,7 @@ struct xattr_handler *ocfs2_xattr_handlers[] = {
 	NULL
 };
 
-static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = {
+static const struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = {
 	[OCFS2_XATTR_INDEX_USER]	= &ocfs2_xattr_user_handler,
 	[OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS]
 					= &ocfs2_xattr_acl_access_handler,
@@ -540,7 +540,7 @@ static int ocfs2_read_xattr_block(struct inode *inode, u64 xb_blkno,
 
 static inline const char *ocfs2_xattr_prefix(int name_index)
 {
-	struct xattr_handler *handler = NULL;
+	const struct xattr_handler *handler = NULL;
 
 	if (name_index > 0 && name_index < OCFS2_XATTR_MAX)
 		handler = ocfs2_xattr_handler_map[name_index];
@@ -7213,7 +7213,7 @@ int ocfs2_init_security_set(handle_t *handle,
 				     xattr_ac, data_ac);
 }
 
-struct xattr_handler ocfs2_xattr_security_handler = {
+const struct xattr_handler ocfs2_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
 	.list	= ocfs2_xattr_security_list,
 	.get	= ocfs2_xattr_security_get,
@@ -7257,7 +7257,7 @@ static int ocfs2_xattr_trusted_set(struct dentry *dentry, const char *name,
 			       name, value, size, flags);
 }
 
-struct xattr_handler ocfs2_xattr_trusted_handler = {
+const struct xattr_handler ocfs2_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
 	.list	= ocfs2_xattr_trusted_list,
 	.get	= ocfs2_xattr_trusted_get,
@@ -7313,7 +7313,7 @@ static int ocfs2_xattr_user_set(struct dentry *dentry, const char *name,
 			       name, value, size, flags);
 }
 
-struct xattr_handler ocfs2_xattr_user_handler = {
+const struct xattr_handler ocfs2_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
 	.list	= ocfs2_xattr_user_list,
 	.get	= ocfs2_xattr_user_get,
diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h
index abd72a47f52..aa64bb37a65 100644
--- a/fs/ocfs2/xattr.h
+++ b/fs/ocfs2/xattr.h
@@ -37,12 +37,12 @@ struct ocfs2_security_xattr_info {
 	size_t value_len;
 };
 
-extern struct xattr_handler ocfs2_xattr_user_handler;
-extern struct xattr_handler ocfs2_xattr_trusted_handler;
-extern struct xattr_handler ocfs2_xattr_security_handler;
-extern struct xattr_handler ocfs2_xattr_acl_access_handler;
-extern struct xattr_handler ocfs2_xattr_acl_default_handler;
-extern struct xattr_handler *ocfs2_xattr_handlers[];
+extern const struct xattr_handler ocfs2_xattr_user_handler;
+extern const struct xattr_handler ocfs2_xattr_trusted_handler;
+extern const struct xattr_handler ocfs2_xattr_security_handler;
+extern const struct xattr_handler ocfs2_xattr_acl_access_handler;
+extern const struct xattr_handler ocfs2_xattr_acl_default_handler;
+extern const struct xattr_handler *ocfs2_xattr_handlers[];
 
 ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
 int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int,

From b7bb0a12913a582dbb0954bf463b1152b540c1a6 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 13 May 2010 17:53:23 -0700
Subject: [PATCH 2691/3638] gfs: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/gfs2/acl.c   | 2 +-
 fs/gfs2/acl.h   | 2 +-
 fs/gfs2/super.h | 2 +-
 fs/gfs2/xattr.c | 6 +++---
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 87ee309d4c2..9fb76b0a048 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -335,7 +335,7 @@ out:
 	return error;
 }
 
-struct xattr_handler gfs2_xattr_system_handler = {
+const struct xattr_handler gfs2_xattr_system_handler = {
 	.prefix = XATTR_SYSTEM_PREFIX,
 	.flags  = GFS2_EATYPE_SYS,
 	.get    = gfs2_xattr_system_get,
diff --git a/fs/gfs2/acl.h b/fs/gfs2/acl.h
index 9306a2e6620..b522b0cb39e 100644
--- a/fs/gfs2/acl.h
+++ b/fs/gfs2/acl.h
@@ -19,6 +19,6 @@
 extern int gfs2_check_acl(struct inode *inode, int mask);
 extern int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode);
 extern int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr);
-extern struct xattr_handler gfs2_xattr_system_handler;
+extern const struct xattr_handler gfs2_xattr_system_handler;
 
 #endif /* __ACL_DOT_H__ */
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index 3df60f2d84e..a0464680af0 100644
--- a/fs/gfs2/super.h
+++ b/fs/gfs2/super.h
@@ -54,7 +54,7 @@ extern struct file_system_type gfs2meta_fs_type;
 extern const struct export_operations gfs2_export_ops;
 extern const struct super_operations gfs2_super_ops;
 extern const struct dentry_operations gfs2_dops;
-extern struct xattr_handler *gfs2_xattr_handlers[];
+extern const struct xattr_handler *gfs2_xattr_handlers[];
 
 #endif /* __SUPER_DOT_H__ */
 
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index c2ebdf2c01d..82f93da00d1 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -1535,21 +1535,21 @@ out_alloc:
 	return error;
 }
 
-static struct xattr_handler gfs2_xattr_user_handler = {
+static const struct xattr_handler gfs2_xattr_user_handler = {
 	.prefix = XATTR_USER_PREFIX,
 	.flags  = GFS2_EATYPE_USR,
 	.get    = gfs2_xattr_get,
 	.set    = gfs2_xattr_set,
 };
 
-static struct xattr_handler gfs2_xattr_security_handler = {
+static const struct xattr_handler gfs2_xattr_security_handler = {
 	.prefix = XATTR_SECURITY_PREFIX,
 	.flags  = GFS2_EATYPE_SECURITY,
 	.get    = gfs2_xattr_get,
 	.set    = gfs2_xattr_set,
 };
 
-struct xattr_handler *gfs2_xattr_handlers[] = {
+const struct xattr_handler *gfs2_xattr_handlers[] = {
 	&gfs2_xattr_user_handler,
 	&gfs2_xattr_security_handler,
 	&gfs2_xattr_system_handler,

From a7cf4145bb86aaf85d4d4d29a69b50b688e2e49d Mon Sep 17 00:00:00 2001
From: Eric Paris <eparis@redhat.com>
Date: Fri, 14 May 2010 11:44:10 -0400
Subject: [PATCH 2692/3638] anon_inode: set S_IFREG on the anon_inode

anon_inode_mkinode() sets inode->i_mode = S_IRUSR | S_IWUSR;  This means
that (inode->i_mode & S_IFMT) == 0.  This trips up some SELinux code that
needs to determine if a given inode is a regular file, a directory, etc.
The easiest solution is to just make sure that the anon_inode also sets
S_IFREG.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/anon_inodes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index e4b75d6eda8..9bd4b3876c9 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -205,7 +205,7 @@ static struct inode *anon_inode_mkinode(void)
 	 * that it already _is_ on the dirty list.
 	 */
 	inode->i_state = I_DIRTY;
-	inode->i_mode = S_IRUSR | S_IWUSR;
+	inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
 	inode->i_flags |= S_PRIVATE;

From 2e147f1ef7d593b36c0e27a393b7d7ec0765f54b Mon Sep 17 00:00:00 2001
From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Fri, 14 May 2010 10:49:22 +0100
Subject: [PATCH 2693/3638] fs: inode.c use atomic_inc_return in __iget

Using atomic_inc_return in __iget(struct inode *inode) makes the intent
of this code clearer and generates less code on processors that have
this operation.

On x86_64 this patch reduces the text size of inode.o by 12 bytes.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>

----
patch against 2.6.34-rc7
compiled & tested on x86_64 AMD X2

I've been running with this patch applied for several weeks with no
obvious problems.
regards
Richard
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/inode.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/inode.c b/fs/inode.c
index 258ec22bb29..498b10f04c3 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -286,11 +286,9 @@ static void init_once(void *foo)
  */
 void __iget(struct inode *inode)
 {
-	if (atomic_read(&inode->i_count)) {
-		atomic_inc(&inode->i_count);
+	if (atomic_inc_return(&inode->i_count) != 1)
 		return;
-	}
-	atomic_inc(&inode->i_count);
+
 	if (!(inode->i_state & (I_DIRTY|I_SYNC)))
 		list_move(&inode->i_list, &inode_in_use);
 	inodes_stat.nr_unused--;

From e970a573ce30a3976234dcfb67906c164b0df9ee Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 22 Mar 2010 17:32:14 +0100
Subject: [PATCH 2694/3638] nfsd: open a file descriptor for fsync in nfs4
 recovery

Instead of just looking up a path use do_filp_open to get us a file
structure for the nfs4 recovery directory.  This allows us to get
rid of the last non-standard vfs_fsync caller with a NULL file
pointer.

[AV: should be using fput(), not filp_close()]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nfsd/nfs4recover.c | 87 +++++++++++++++++++++----------------------
 1 file changed, 42 insertions(+), 45 deletions(-)

diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 7a9ae3254a4..dada03f2c13 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -44,8 +44,7 @@
 #define NFSDDBG_FACILITY                NFSDDBG_PROC
 
 /* Globals */
-static struct path rec_dir;
-static int rec_dir_init = 0;
+static struct file *rec_file;
 
 static int
 nfs4_save_creds(const struct cred **original_creds)
@@ -117,33 +116,28 @@ out_no_tfm:
 	return status;
 }
 
-static void
-nfsd4_sync_rec_dir(void)
-{
-	vfs_fsync(NULL, rec_dir.dentry, 0);
-}
-
 int
 nfsd4_create_clid_dir(struct nfs4_client *clp)
 {
 	const struct cred *original_cred;
 	char *dname = clp->cl_recdir;
-	struct dentry *dentry;
+	struct dentry *dir, *dentry;
 	int status;
 
 	dprintk("NFSD: nfsd4_create_clid_dir for \"%s\"\n", dname);
 
-	if (!rec_dir_init || clp->cl_firststate)
+	if (!rec_file || clp->cl_firststate)
 		return 0;
 
 	status = nfs4_save_creds(&original_cred);
 	if (status < 0)
 		return status;
 
+	dir = rec_file->f_path.dentry;
 	/* lock the parent */
-	mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+	mutex_lock(&dir->d_inode->i_mutex);
 
-	dentry = lookup_one_len(dname, rec_dir.dentry, HEXDIR_LEN-1);
+	dentry = lookup_one_len(dname, dir, HEXDIR_LEN-1);
 	if (IS_ERR(dentry)) {
 		status = PTR_ERR(dentry);
 		goto out_unlock;
@@ -153,18 +147,18 @@ nfsd4_create_clid_dir(struct nfs4_client *clp)
 		dprintk("NFSD: nfsd4_create_clid_dir: DIRECTORY EXISTS\n");
 		goto out_put;
 	}
-	status = mnt_want_write(rec_dir.mnt);
+	status = mnt_want_write(rec_file->f_path.mnt);
 	if (status)
 		goto out_put;
-	status = vfs_mkdir(rec_dir.dentry->d_inode, dentry, S_IRWXU);
-	mnt_drop_write(rec_dir.mnt);
+	status = vfs_mkdir(dir->d_inode, dentry, S_IRWXU);
+	mnt_drop_write(rec_file->f_path.mnt);
 out_put:
 	dput(dentry);
 out_unlock:
-	mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+	mutex_unlock(&dir->d_inode->i_mutex);
 	if (status == 0) {
 		clp->cl_firststate = 1;
-		nfsd4_sync_rec_dir();
+		vfs_fsync(rec_file, rec_file->f_path.dentry, 0);
 	}
 	nfs4_reset_creds(original_cred);
 	dprintk("NFSD: nfsd4_create_clid_dir returns %d\n", status);
@@ -206,14 +200,14 @@ nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f)
 	struct dentry *dentry;
 	int status;
 
-	if (!rec_dir_init)
+	if (!rec_file)
 		return 0;
 
 	status = nfs4_save_creds(&original_cred);
 	if (status < 0)
 		return status;
 
-	filp = dentry_open(dget(dir), mntget(rec_dir.mnt), O_RDONLY,
+	filp = dentry_open(dget(dir), mntget(rec_file->f_path.mnt), O_RDONLY,
 			   current_cred());
 	status = PTR_ERR(filp);
 	if (IS_ERR(filp))
@@ -250,13 +244,14 @@ out:
 static int
 nfsd4_unlink_clid_dir(char *name, int namlen)
 {
-	struct dentry *dentry;
+	struct dentry *dir, *dentry;
 	int status;
 
 	dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
 
-	mutex_lock_nested(&rec_dir.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
-	dentry = lookup_one_len(name, rec_dir.dentry, namlen);
+	dir = rec_file->f_path.dentry;
+	mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
+	dentry = lookup_one_len(name, dir, namlen);
 	if (IS_ERR(dentry)) {
 		status = PTR_ERR(dentry);
 		goto out_unlock;
@@ -264,11 +259,11 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 	status = -ENOENT;
 	if (!dentry->d_inode)
 		goto out;
-	status = vfs_rmdir(rec_dir.dentry->d_inode, dentry);
+	status = vfs_rmdir(dir->d_inode, dentry);
 out:
 	dput(dentry);
 out_unlock:
-	mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+	mutex_unlock(&dir->d_inode->i_mutex);
 	return status;
 }
 
@@ -278,10 +273,10 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
 	const struct cred *original_cred;
 	int status;
 
-	if (!rec_dir_init || !clp->cl_firststate)
+	if (!rec_file || !clp->cl_firststate)
 		return;
 
-	status = mnt_want_write(rec_dir.mnt);
+	status = mnt_want_write(rec_file->f_path.mnt);
 	if (status)
 		goto out;
 	clp->cl_firststate = 0;
@@ -293,8 +288,8 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
 	status = nfsd4_unlink_clid_dir(clp->cl_recdir, HEXDIR_LEN-1);
 	nfs4_reset_creds(original_cred);
 	if (status == 0)
-		nfsd4_sync_rec_dir();
-	mnt_drop_write(rec_dir.mnt);
+		vfs_fsync(rec_file, rec_file->f_path.dentry, 0);
+	mnt_drop_write(rec_file->f_path.mnt);
 out:
 	if (status)
 		printk("NFSD: Failed to remove expired client state directory"
@@ -323,19 +318,19 @@ void
 nfsd4_recdir_purge_old(void) {
 	int status;
 
-	if (!rec_dir_init)
+	if (!rec_file)
 		return;
-	status = mnt_want_write(rec_dir.mnt);
+	status = mnt_want_write(rec_file->f_path.mnt);
 	if (status)
 		goto out;
-	status = nfsd4_list_rec_dir(rec_dir.dentry, purge_old);
+	status = nfsd4_list_rec_dir(rec_file->f_path.dentry, purge_old);
 	if (status == 0)
-		nfsd4_sync_rec_dir();
-	mnt_drop_write(rec_dir.mnt);
+		vfs_fsync(rec_file, rec_file->f_path.dentry, 0);
+	mnt_drop_write(rec_file->f_path.mnt);
 out:
 	if (status)
 		printk("nfsd4: failed to purge old clients from recovery"
-			" directory %s\n", rec_dir.dentry->d_name.name);
+			" directory %s\n", rec_file->f_path.dentry->d_name.name);
 }
 
 static int
@@ -355,10 +350,13 @@ int
 nfsd4_recdir_load(void) {
 	int status;
 
-	status = nfsd4_list_rec_dir(rec_dir.dentry, load_recdir);
+	if (!rec_file)
+		return 0;
+
+	status = nfsd4_list_rec_dir(rec_file->f_path.dentry, load_recdir);
 	if (status)
 		printk("nfsd4: failed loading clients from recovery"
-			" directory %s\n", rec_dir.dentry->d_name.name);
+			" directory %s\n", rec_file->f_path.dentry->d_name.name);
 	return status;
 }
 
@@ -375,7 +373,7 @@ nfsd4_init_recdir(char *rec_dirname)
 	printk("NFSD: Using %s as the NFSv4 state recovery directory\n",
 			rec_dirname);
 
-	BUG_ON(rec_dir_init);
+	BUG_ON(rec_file);
 
 	status = nfs4_save_creds(&original_cred);
 	if (status < 0) {
@@ -385,22 +383,21 @@ nfsd4_init_recdir(char *rec_dirname)
 		return;
 	}
 
-	status = kern_path(rec_dirname, LOOKUP_FOLLOW | LOOKUP_DIRECTORY,
-			&rec_dir);
-	if (status)
+	rec_file = filp_open(rec_dirname, O_RDONLY | O_DIRECTORY, 0);
+	if (IS_ERR(rec_file)) {
 		printk("NFSD: unable to find recovery directory %s\n",
 				rec_dirname);
+		rec_file = NULL;
+	}
 
-	if (!status)
-		rec_dir_init = 1;
 	nfs4_reset_creds(original_cred);
 }
 
 void
 nfsd4_shutdown_recdir(void)
 {
-	if (!rec_dir_init)
+	if (!rec_file)
 		return;
-	rec_dir_init = 0;
-	path_put(&rec_dir);
+	fput(rec_file);
+	rec_file = NULL;
 }

From 8018ab057480974e7f26a387bf4ce040e9a5f6f1 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 22 Mar 2010 17:32:25 +0100
Subject: [PATCH 2695/3638] sanitize vfs_fsync calling conventions

Now that the last user passing a NULL file pointer is gone we can remove
the redundant dentry argument and associated hacks inside vfs_fsynmc_range.

The next step will be removig the dentry argument from ->fsync, but given
the luck with the last round of method prototype changes I'd rather
defer this until after the main merge window.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/loop.c                |  4 +--
 drivers/md/bitmap.c                 |  2 +-
 drivers/usb/gadget/storage_common.c |  2 +-
 fs/ceph/file.c                      |  3 +--
 fs/coda/file.c                      |  2 +-
 fs/ecryptfs/file.c                  |  4 +--
 fs/nfsd/nfs4recover.c               |  6 ++---
 fs/nfsd/vfs.c                       |  5 ++--
 fs/sync.c                           | 42 ++++++-----------------------
 include/linux/fs.h                  |  6 ++---
 mm/msync.c                          |  2 +-
 11 files changed, 24 insertions(+), 54 deletions(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index a90e83c9be9..6120922f459 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -485,7 +485,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
 				goto out;
 			}
 
-			ret = vfs_fsync(file, file->f_path.dentry, 0);
+			ret = vfs_fsync(file, 0);
 			if (unlikely(ret)) {
 				ret = -EIO;
 				goto out;
@@ -495,7 +495,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
 		ret = lo_send(lo, bio, pos);
 
 		if (barrier && !ret) {
-			ret = vfs_fsync(file, file->f_path.dentry, 0);
+			ret = vfs_fsync(file, 0);
 			if (unlikely(ret))
 				ret = -EIO;
 		}
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index f084249295d..53e8bea295e 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1692,7 +1692,7 @@ int bitmap_create(mddev_t *mddev)
 		 * and bypass the page cache, we must sync the file
 		 * first.
 		 */
-		vfs_fsync(file, file->f_dentry, 1);
+		vfs_fsync(file, 1);
 	}
 	/* read superblock from bitmap file (this sets mddev->bitmap_info.chunksize) */
 	if (!mddev->bitmap_info.external)
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c
index 868d8ee8675..04c462ff0ea 100644
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -654,7 +654,7 @@ static int fsg_lun_fsync_sub(struct fsg_lun *curlun)
 
 	if (curlun->ro || !filp)
 		return 0;
-	return vfs_fsync(filp, filp->f_path.dentry, 1);
+	return vfs_fsync(filp, 1);
 }
 
 static void store_cdrom_address(u8 *dest, int msf, u32 addr)
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ed6f19721d6..7d634938edc 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -844,8 +844,7 @@ retry_snap:
 		if ((ret >= 0 || ret == -EIOCBQUEUED) &&
 		    ((file->f_flags & O_SYNC) || IS_SYNC(file->f_mapping->host)
 		     || ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_NEARFULL))) {
-			err = vfs_fsync_range(file, file->f_path.dentry,
-					      pos, pos + ret - 1, 1);
+			err = vfs_fsync_range(file, pos, pos + ret - 1, 1);
 			if (err < 0)
 				ret = err;
 		}
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 4c813f2cdc5..7196077b168 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -217,7 +217,7 @@ int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync)
 	BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
 	host_file = cfi->cfi_container;
 
-	err = vfs_fsync(host_file, host_file->f_path.dentry, datasync);
+	err = vfs_fsync(host_file, datasync);
 	if ( !err && !datasync ) {
 		lock_kernel();
 		err = venus_fsync(coda_inode->i_sb, coda_i2f(coda_inode));
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index e7440a6f5eb..3bdddbcc785 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -276,9 +276,7 @@ static int ecryptfs_release(struct inode *inode, struct file *file)
 static int
 ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync)
 {
-	return vfs_fsync(ecryptfs_file_to_lower(file),
-			 ecryptfs_dentry_to_lower(dentry),
-			 datasync);
+	return vfs_fsync(ecryptfs_file_to_lower(file), datasync);
 }
 
 static int ecryptfs_fasync(int fd, struct file *file, int flag)
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index dada03f2c13..7e26caab2a2 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -158,7 +158,7 @@ out_unlock:
 	mutex_unlock(&dir->d_inode->i_mutex);
 	if (status == 0) {
 		clp->cl_firststate = 1;
-		vfs_fsync(rec_file, rec_file->f_path.dentry, 0);
+		vfs_fsync(rec_file, 0);
 	}
 	nfs4_reset_creds(original_cred);
 	dprintk("NFSD: nfsd4_create_clid_dir returns %d\n", status);
@@ -288,7 +288,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
 	status = nfsd4_unlink_clid_dir(clp->cl_recdir, HEXDIR_LEN-1);
 	nfs4_reset_creds(original_cred);
 	if (status == 0)
-		vfs_fsync(rec_file, rec_file->f_path.dentry, 0);
+		vfs_fsync(rec_file, 0);
 	mnt_drop_write(rec_file->f_path.mnt);
 out:
 	if (status)
@@ -325,7 +325,7 @@ nfsd4_recdir_purge_old(void) {
 		goto out;
 	status = nfsd4_list_rec_dir(rec_file->f_path.dentry, purge_old);
 	if (status == 0)
-		vfs_fsync(rec_file, rec_file->f_path.dentry, 0);
+		vfs_fsync(rec_file, 0);
 	mnt_drop_write(rec_file->f_path.mnt);
 out:
 	if (status)
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 23c06f77f4c..ebbf3b6b245 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -999,7 +999,7 @@ static int wait_for_concurrent_writes(struct file *file)
 
 	if (inode->i_state & I_DIRTY) {
 		dprintk("nfsd: write sync %d\n", task_pid_nr(current));
-		err = vfs_fsync(file, file->f_path.dentry, 0);
+		err = vfs_fsync(file, 0);
 	}
 	last_ino = inode->i_ino;
 	last_dev = inode->i_sb->s_dev;
@@ -1175,8 +1175,7 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	if (err)
 		goto out;
 	if (EX_ISSYNC(fhp->fh_export)) {
-		int err2 = vfs_fsync_range(file, file->f_path.dentry,
-				offset, end, 0);
+		int err2 = vfs_fsync_range(file, offset, end, 0);
 
 		if (err2 != -EINVAL)
 			err = nfserrno(err2);
diff --git a/fs/sync.c b/fs/sync.c
index d5369203f8e..5a537ccd2e8 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -158,7 +158,6 @@ EXPORT_SYMBOL(file_fsync);
 /**
  * vfs_fsync_range - helper to sync a range of data & metadata to disk
  * @file:		file to sync
- * @dentry:		dentry of @file
  * @start:		offset in bytes of the beginning of data range to sync
  * @end:		offset in bytes of the end of data range (inclusive)
  * @datasync:		perform only datasync
@@ -166,32 +165,13 @@ EXPORT_SYMBOL(file_fsync);
  * Write back data in range @start..@end and metadata for @file to disk.  If
  * @datasync is set only metadata needed to access modified file data is
  * written.
- *
- * In case this function is called from nfsd @file may be %NULL and
- * only @dentry is set.  This can only happen when the filesystem
- * implements the export_operations API.
  */
-int vfs_fsync_range(struct file *file, struct dentry *dentry, loff_t start,
-		    loff_t end, int datasync)
+int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync)
 {
-	const struct file_operations *fop;
-	struct address_space *mapping;
+	struct address_space *mapping = file->f_mapping;
 	int err, ret;
 
-	/*
-	 * Get mapping and operations from the file in case we have
-	 * as file, or get the default values for them in case we
-	 * don't have a struct file available.  Damn nfsd..
-	 */
-	if (file) {
-		mapping = file->f_mapping;
-		fop = file->f_op;
-	} else {
-		mapping = dentry->d_inode->i_mapping;
-		fop = dentry->d_inode->i_fop;
-	}
-
-	if (!fop || !fop->fsync) {
+	if (!file->f_op || !file->f_op->fsync) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -203,7 +183,7 @@ int vfs_fsync_range(struct file *file, struct dentry *dentry, loff_t start,
 	 * livelocks in fsync_buffers_list().
 	 */
 	mutex_lock(&mapping->host->i_mutex);
-	err = fop->fsync(file, dentry, datasync);
+	err = file->f_op->fsync(file, file->f_path.dentry, datasync);
 	if (!ret)
 		ret = err;
 	mutex_unlock(&mapping->host->i_mutex);
@@ -216,19 +196,14 @@ EXPORT_SYMBOL(vfs_fsync_range);
 /**
  * vfs_fsync - perform a fsync or fdatasync on a file
  * @file:		file to sync
- * @dentry:		dentry of @file
  * @datasync:		only perform a fdatasync operation
  *
  * Write back data and metadata for @file to disk.  If @datasync is
  * set only metadata needed to access modified file data is written.
- *
- * In case this function is called from nfsd @file may be %NULL and
- * only @dentry is set.  This can only happen when the filesystem
- * implements the export_operations API.
  */
-int vfs_fsync(struct file *file, struct dentry *dentry, int datasync)
+int vfs_fsync(struct file *file, int datasync)
 {
-	return vfs_fsync_range(file, dentry, 0, LLONG_MAX, datasync);
+	return vfs_fsync_range(file, 0, LLONG_MAX, datasync);
 }
 EXPORT_SYMBOL(vfs_fsync);
 
@@ -239,7 +214,7 @@ static int do_fsync(unsigned int fd, int datasync)
 
 	file = fget(fd);
 	if (file) {
-		ret = vfs_fsync(file, file->f_path.dentry, datasync);
+		ret = vfs_fsync(file, datasync);
 		fput(file);
 	}
 	return ret;
@@ -267,8 +242,7 @@ int generic_write_sync(struct file *file, loff_t pos, loff_t count)
 {
 	if (!(file->f_flags & O_DSYNC) && !IS_SYNC(file->f_mapping->host))
 		return 0;
-	return vfs_fsync_range(file, file->f_path.dentry, pos,
-			       pos + count - 1,
+	return vfs_fsync_range(file, pos, pos + count - 1,
 			       (file->f_flags & __O_SYNC) ? 0 : 1);
 }
 EXPORT_SYMBOL(generic_write_sync);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6660db898c4..f3e108314c9 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2084,9 +2084,9 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping,
 extern int filemap_fdatawrite_range(struct address_space *mapping,
 				loff_t start, loff_t end);
 
-extern int vfs_fsync_range(struct file *file, struct dentry *dentry,
-			   loff_t start, loff_t end, int datasync);
-extern int vfs_fsync(struct file *file, struct dentry *dentry, int datasync);
+extern int vfs_fsync_range(struct file *file, loff_t start, loff_t end,
+			   int datasync);
+extern int vfs_fsync(struct file *file, int datasync);
 extern int generic_write_sync(struct file *file, loff_t pos, loff_t count);
 extern void sync_supers(void);
 extern void emergency_sync(void);
diff --git a/mm/msync.c b/mm/msync.c
index 4083209b7f0..632df4527c0 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -82,7 +82,7 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
 				(vma->vm_flags & VM_SHARED)) {
 			get_file(file);
 			up_read(&mm->mmap_sem);
-			error = vfs_fsync(file, file->f_path.dentry, 0);
+			error = vfs_fsync(file, 0);
 			fput(file);
 			if (error || start >= end)
 				goto out;

From cc9106247de92549e50abb0ba12d6b2fdbf0be55 Mon Sep 17 00:00:00 2001
From: Cesar Eduardo Barros <cesarb@cesarb.net>
Date: Sat, 17 Apr 2010 19:28:09 -0300
Subject: [PATCH 2696/3638] fs/partitions: use ADDPART_FLAG_RAID instead of
 magic number

ADDPART_FLAG_RAID was introduced in commit d18d768, and most places were
converted to use it instead of a hardcoded value. However, some places seem
to have been missed.

Change all of them to the symbolic names via the following semantic patch:

@@
struct parsed_partitions *state;
expression E;
@@
(
- state->parts[E].flags = 1
+ state->parts[E].flags = ADDPART_FLAG_RAID
|
- state->parts[E].flags |= 1
+ state->parts[E].flags |= ADDPART_FLAG_RAID
|
- state->parts[E].flags = 2
+ state->parts[E].flags = ADDPART_FLAG_WHOLEDISK
|
- state->parts[E].flags |= 2
+ state->parts[E].flags |= ADDPART_FLAG_WHOLEDISK
)

Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/partitions/efi.c   | 2 +-
 fs/partitions/mac.c   | 2 +-
 fs/partitions/msdos.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/partitions/efi.c b/fs/partitions/efi.c
index 91babdae758..f5867f8ed21 100644
--- a/fs/partitions/efi.c
+++ b/fs/partitions/efi.c
@@ -631,7 +631,7 @@ efi_partition(struct parsed_partitions *state, struct block_device *bdev)
 		/* If this is a RAID volume, tell md */
 		if (!efi_guidcmp(ptes[i].partition_type_guid,
 				 PARTITION_LINUX_RAID_GUID))
-			state->parts[i+1].flags = 1;
+			state->parts[i + 1].flags = ADDPART_FLAG_RAID;
 	}
 	kfree(ptes);
 	kfree(gpt);
diff --git a/fs/partitions/mac.c b/fs/partitions/mac.c
index d4a0fad3563..dece9b4c881 100644
--- a/fs/partitions/mac.c
+++ b/fs/partitions/mac.c
@@ -75,7 +75,7 @@ int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
 			be32_to_cpu(part->block_count) * (secsize/512));
 
 		if (!strnicmp(part->type, "Linux_RAID", 10))
-			state->parts[slot].flags = 1;
+			state->parts[slot].flags = ADDPART_FLAG_RAID;
 #ifdef CONFIG_PPC_PMAC
 		/*
 		 * If this is the first bootable partition, tell the
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c
index 90be97f1f5a..efe3df75f84 100644
--- a/fs/partitions/msdos.c
+++ b/fs/partitions/msdos.c
@@ -509,7 +509,7 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
 		}
 		put_partition(state, slot, start, size);
 		if (SYS_IND(p) == LINUX_RAID_PARTITION)
-			state->parts[slot].flags = 1;
+			state->parts[slot].flags = ADDPART_FLAG_RAID;
 		if (SYS_IND(p) == DM6_PARTITION)
 			printk("[DM]");
 		if (SYS_IND(p) == EZD_PARTITION)

From 51ee049e771c14a29aaee8ecd6cbbe14db088f3a Mon Sep 17 00:00:00 2001
From: Roland Dreier <rdreier@cisco.com>
Date: Tue, 27 Apr 2010 14:23:57 -0700
Subject: [PATCH 2697/3638] vfs: add lockdep annotation to s_vfs_rename_key for
 ecryptfs

 >  =============================================
 >  [ INFO: possible recursive locking detected ]
 >  2.6.31-2-generic #14~rbd3
 >  ---------------------------------------------
 >  firefox-3.5/4162 is trying to acquire lock:
 >   (&s->s_vfs_rename_mutex){+.+.+.}, at: [<ffffffff81139d31>] lock_rename+0x41/0xf0
 >
 >  but task is already holding lock:
 >   (&s->s_vfs_rename_mutex){+.+.+.}, at: [<ffffffff81139d31>] lock_rename+0x41/0xf0
 >
 >  other info that might help us debug this:
 >  3 locks held by firefox-3.5/4162:
 >   #0:  (&s->s_vfs_rename_mutex){+.+.+.}, at: [<ffffffff81139d31>] lock_rename+0x41/0xf0
 >   #1:  (&sb->s_type->i_mutex_key#11/1){+.+.+.}, at: [<ffffffff81139d5a>] lock_rename+0x6a/0xf0
 >   #2:  (&sb->s_type->i_mutex_key#11/2){+.+.+.}, at: [<ffffffff81139d6f>] lock_rename+0x7f/0xf0
 >
 >  stack backtrace:
 >  Pid: 4162, comm: firefox-3.5 Tainted: G         C 2.6.31-2-generic #14~rbd3
 >  Call Trace:
 >   [<ffffffff8108ae74>] print_deadlock_bug+0xf4/0x100
 >   [<ffffffff8108ce26>] validate_chain+0x4c6/0x750
 >   [<ffffffff8108d2e7>] __lock_acquire+0x237/0x430
 >   [<ffffffff8108d585>] lock_acquire+0xa5/0x150
 >   [<ffffffff81139d31>] ? lock_rename+0x41/0xf0
 >   [<ffffffff815526ad>] __mutex_lock_common+0x4d/0x3d0
 >   [<ffffffff81139d31>] ? lock_rename+0x41/0xf0
 >   [<ffffffff81139d31>] ? lock_rename+0x41/0xf0
 >   [<ffffffff8120eaf9>] ? ecryptfs_rename+0x99/0x170
 >   [<ffffffff81552b36>] mutex_lock_nested+0x46/0x60
 >   [<ffffffff81139d31>] lock_rename+0x41/0xf0
 >   [<ffffffff8120eb2a>] ecryptfs_rename+0xca/0x170
 >   [<ffffffff81139a9e>] vfs_rename_dir+0x13e/0x160
 >   [<ffffffff8113ac7e>] vfs_rename+0xee/0x290
 >   [<ffffffff8113c212>] ? __lookup_hash+0x102/0x160
 >   [<ffffffff8113d512>] sys_renameat+0x252/0x280
 >   [<ffffffff81133eb4>] ? cp_new_stat+0xe4/0x100
 >   [<ffffffff8101316a>] ? sysret_check+0x2e/0x69
 >   [<ffffffff8108c34d>] ? trace_hardirqs_on_caller+0x14d/0x190
 >   [<ffffffff8113d55b>] sys_rename+0x1b/0x20
 >   [<ffffffff81013132>] system_call_fastpath+0x16/0x1b

The trace above is totally reproducible by doing a cross-directory
rename on an ecryptfs directory.

The issue seems to be that sys_renameat() does lock_rename() then calls
into the filesystem; if the filesystem is ecryptfs, then
ecryptfs_rename() again does lock_rename() on the lower filesystem, and
lockdep can't tell that the two s_vfs_rename_mutexes are different.  It
seems an annotation like the following is sufficient to fix this (it
does get rid of the lockdep trace in my simple tests); however I would
like to make sure I'm not misunderstanding the locking, hence the CC
list...

Signed-off-by: Roland Dreier <rdreier@cisco.com>
Cc: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Cc: Dustin Kirkland <kirkland@canonical.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c         | 1 +
 include/linux/fs.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/fs/super.c b/fs/super.c
index 89afca5055a..69688b15f1f 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -88,6 +88,7 @@ static struct super_block *alloc_super(struct file_system_type *type)
 		s->s_count = 1;
 		atomic_set(&s->s_active, 1);
 		mutex_init(&s->s_vfs_rename_mutex);
+		lockdep_set_class(&s->s_vfs_rename_mutex, &type->s_vfs_rename_key);
 		mutex_init(&s->s_dquot.dqio_mutex);
 		mutex_init(&s->s_dquot.dqonoff_mutex);
 		init_rwsem(&s->s_dquot.dqptr_sem);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f3e108314c9..9626c5fbb0e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1741,6 +1741,7 @@ struct file_system_type {
 
 	struct lock_class_key s_lock_key;
 	struct lock_class_key s_umount_key;
+	struct lock_class_key s_vfs_rename_key;
 
 	struct lock_class_key i_lock_key;
 	struct lock_class_key i_mutex_key;

From 9a2296832c43da93a88e1edd59f3d17acffca36c Mon Sep 17 00:00:00 2001
From: Huang Shijie <shijie8@gmail.com>
Date: Fri, 2 Apr 2010 17:37:13 +0800
Subject: [PATCH 2698/3638] namei.c : update mnt when it needed

update the mnt of the path when it is not equal to the new one.

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/namei.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index b86b96fe1dc..48e1f60520e 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -523,9 +523,10 @@ static void path_put_conditional(struct path *path, struct nameidata *nd)
 static inline void path_to_nameidata(struct path *path, struct nameidata *nd)
 {
 	dput(nd->path.dentry);
-	if (nd->path.mnt != path->mnt)
+	if (nd->path.mnt != path->mnt) {
 		mntput(nd->path.mnt);
-	nd->path.mnt = path->mnt;
+		nd->path.mnt = path->mnt;
+	}
 	nd->path.dentry = path->dentry;
 }
 

From 52957fe1c709d5ca3732456d73f4e4d95492c72c Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Thu, 1 Apr 2010 20:36:30 -0500
Subject: [PATCH 2699/3638] fs-writeback.c: bitfields should be unsigned

This fixes sparse noise:
  error: dubious one-bit signed bitfield

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/fs-writeback.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 4b37f7cea4d..24e85ce1189 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -42,9 +42,9 @@ struct wb_writeback_args {
 	long nr_pages;
 	struct super_block *sb;
 	enum writeback_sync_modes sync_mode;
-	int for_kupdate:1;
-	int range_cyclic:1;
-	int for_background:1;
+	unsigned int for_kupdate:1;
+	unsigned int range_cyclic:1;
+	unsigned int for_background:1;
 };
 
 /*

From a1bd120d13e586ea1c424048fd2c8420a442852a Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:29:14 +0300
Subject: [PATCH 2700/3638] vfs: Add inode uid,gid,mode init helper

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/inode.c         | 20 ++++++++++++++++++++
 include/linux/fs.h |  3 ++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/fs/inode.c b/fs/inode.c
index 498b10f04c3..2bee20ae3d6 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1606,3 +1606,23 @@ void init_special_inode(struct inode *inode, umode_t mode, dev_t rdev)
 				  inode->i_ino);
 }
 EXPORT_SYMBOL(init_special_inode);
+
+/**
+ * Init uid,gid,mode for new inode according to posix standards
+ * @inode: New inode
+ * @dir: Directory inode
+ * @mode: mode of the new inode
+ */
+void inode_init_owner(struct inode *inode, const struct inode *dir,
+			mode_t mode)
+{
+	inode->i_uid = current_fsuid();
+	if (dir && dir->i_mode & S_ISGID) {
+		inode->i_gid = dir->i_gid;
+		if (S_ISDIR(mode))
+			mode |= S_ISGID;
+	} else
+		inode->i_gid = current_fsgid();
+	inode->i_mode = mode;
+}
+EXPORT_SYMBOL(inode_init_owner);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9626c5fbb0e..8a733862a41 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1428,7 +1428,8 @@ extern void dentry_unhash(struct dentry *dentry);
  * VFS file helper functions.
  */
 extern int file_permission(struct file *, int);
-
+extern void inode_init_owner(struct inode *inode, const struct inode *dir,
+			mode_t mode);
 /*
  * VFS FS_IOC_FIEMAP helper definitions.
  */

From 217f206d68e12285d55d05678e361221ebebd046 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:30:57 +0300
Subject: [PATCH 2701/3638] 9p: replace inode uid,gid,mode initialization with
 helper function

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/9p/vfs_inode.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index f2434fc9d2c..6d4d86187c5 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -253,9 +253,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
 		return ERR_PTR(-ENOMEM);
 	}
 
-	inode->i_mode = mode;
-	inode->i_uid = current_fsuid();
-	inode->i_gid = current_fsgid();
+	inode_init_owner(inode, NULL, mode);
 	inode->i_blocks = 0;
 	inode->i_rdev = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;

From 319b2be49e91398eae07db4dfc29972846dec649 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:30:58 +0300
Subject: [PATCH 2702/3638] jfs: replace inode uid,gid,mode init with helper

Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/jfs/jfs_inode.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 829921b6776..2686531e235 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -98,14 +98,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 		goto fail_unlock;
 	}
 
-	inode->i_uid = current_fsuid();
-	if (parent->i_mode & S_ISGID) {
-		inode->i_gid = parent->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else
-		inode->i_gid = current_fsgid();
-
+	inode_init_owner(inode, parent, mode);
 	/*
 	 * New inodes need to save sane values on disk when
 	 * uid & gid mount options are used
@@ -121,7 +114,6 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 	if (rc)
 		goto fail_drop;
 
-	inode->i_mode = mode;
 	/* inherit flags from parent */
 	jfs_inode->mode2 = JFS_IP(parent)->mode2 & JFS_FL_INHERIT;
 
@@ -134,7 +126,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 		if (S_ISLNK(mode))
 			jfs_inode->mode2 &= ~(JFS_IMMUTABLE_FL|JFS_APPEND_FL);
 	}
-	jfs_inode->mode2 |= mode;
+	jfs_inode->mode2 |= inode->i_mode;
 
 	inode->i_blocks = 0;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;

From ecc11fabf7ce16309112afe68fac466193ee7520 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:31:47 +0300
Subject: [PATCH 2703/3638] btrfs: replace inode uid,gid,mode initialization
 with helper function

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/btrfs/inode.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2bfdc641d4e..d601629b85d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4121,16 +4121,7 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
 	if (ret != 0)
 		goto fail;
 
-	inode->i_uid = current_fsuid();
-
-	if (dir && (dir->i_mode & S_ISGID)) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else
-		inode->i_gid = current_fsgid();
-
-	inode->i_mode = mode;
+	inode_init_owner(inode, dir, mode);
 	inode->i_ino = objectid;
 	inode_set_bytes(inode, 0);
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;

From e00117f14f68d9e54c8aa3d52ebdc76cdbbc4f87 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:31:48 +0300
Subject: [PATCH 2704/3638] exofs: replace inode uid,gid,mode initialization
 with helper function

Ack-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/exofs/inode.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index 76d2a79ef93..d7c6afa7975 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -1123,16 +1123,7 @@ struct inode *exofs_new_inode(struct inode *dir, int mode)
 	sbi = sb->s_fs_info;
 
 	sb->s_dirt = 1;
-	inode->i_uid = current->cred->fsuid;
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else {
-		inode->i_gid = current->cred->fsgid;
-	}
-	inode->i_mode = mode;
-
+	inode_init_owner(inode, dir, mode);
 	inode->i_ino = sbi->s_nextid++;
 	inode->i_blkbits = EXOFS_BLKSHIFT;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;

From ffba102d75a2e79ac9754841c6cf4a6dd6892c42 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:31:49 +0300
Subject: [PATCH 2705/3638] ext2: replace inode uid,gid,mode init with helper

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext2/ialloc.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index f0c5286f934..938dbc739d0 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -549,16 +549,12 @@ got:
 
 	sb->s_dirt = 1;
 	mark_buffer_dirty(bh2);
-	inode->i_uid = current_fsuid();
-	if (test_opt (sb, GRPID))
+	if (test_opt(sb, GRPID)) {
+		inode->i_mode = mode;
+		inode->i_uid = current_fsuid();
 		inode->i_gid = dir->i_gid;
-	else if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
 	} else
-		inode->i_gid = current_fsgid();
-	inode->i_mode = mode;
+		inode_init_owner(inode, dir, mode);
 
 	inode->i_ino = ino;
 	inode->i_blocks = 0;

From aab99c2c26f74d90f615fcca534172dfc1c8bec2 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:31:50 +0300
Subject: [PATCH 2706/3638] ext3: replace inode uid,gid,mode init with helper

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext3/ialloc.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index 0d0e97ed3ff..498021eb88f 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -538,16 +538,13 @@ got:
 	if (S_ISDIR(mode))
 		percpu_counter_inc(&sbi->s_dirs_counter);
 
-	inode->i_uid = current_fsuid();
-	if (test_opt (sb, GRPID))
+
+	if (test_opt(sb, GRPID)) {
+		inode->i_mode = mode;
+		inode->i_uid = current_fsuid();
 		inode->i_gid = dir->i_gid;
-	else if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
 	} else
-		inode->i_gid = current_fsgid();
-	inode->i_mode = mode;
+		inode_init_owner(inode, dir, mode);
 
 	inode->i_ino = ino;
 	/* This is the optimal IO size (for stat), not the fs block size */

From b10b8520903204c9a1e4ef4a6827c2f1569aae9b Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:31:51 +0300
Subject: [PATCH 2707/3638] ext4: replace inode uid,gid,mode init with helper

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext4/ialloc.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 57f6eef6ccd..1a0e183a2f0 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -979,16 +979,12 @@ got:
 		atomic_dec(&sbi->s_flex_groups[flex_group].free_inodes);
 	}
 
-	inode->i_uid = current_fsuid();
-	if (test_opt(sb, GRPID))
+	if (test_opt(sb, GRPID)) {
+		inode->i_mode = mode;
+		inode->i_uid = current_fsuid();
 		inode->i_gid = dir->i_gid;
-	else if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
 	} else
-		inode->i_gid = current_fsgid();
-	inode->i_mode = mode;
+		inode_init_owner(inode, dir, mode);
 
 	inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb);
 	/* This is the optimal IO size (for stat), not the fs block size */

From 9eed1fb721c6c512795f8847bccc413f3a1143bb Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:14 +0300
Subject: [PATCH 2708/3638] minix: replace inode uid,gid,mode init with helper

- also redesign minix_new_inode interface

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/minix/bitmap.c |  5 ++---
 fs/minix/minix.h  |  2 +-
 fs/minix/namei.c  | 11 +++--------
 3 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index 6ac693faae4..482779fe4e7 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -221,7 +221,7 @@ void minix_free_inode(struct inode * inode)
 	clear_inode(inode);		/* clear in-memory copy */
 }
 
-struct inode * minix_new_inode(const struct inode * dir, int * error)
+struct inode *minix_new_inode(const struct inode *dir, int mode, int *error)
 {
 	struct super_block *sb = dir->i_sb;
 	struct minix_sb_info *sbi = minix_sb(sb);
@@ -263,8 +263,7 @@ struct inode * minix_new_inode(const struct inode * dir, int * error)
 		iput(inode);
 		return NULL;
 	}
-	inode->i_uid = current_fsuid();
-	inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current_fsgid();
+	inode_init_owner(inode, dir, mode);
 	inode->i_ino = j;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 	inode->i_blocks = 0;
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index 9dcf95b4211..111f34ee9e3 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -46,7 +46,7 @@ struct minix_sb_info {
 extern struct inode *minix_iget(struct super_block *, unsigned long);
 extern struct minix_inode * minix_V1_raw_inode(struct super_block *, ino_t, struct buffer_head **);
 extern struct minix2_inode * minix_V2_raw_inode(struct super_block *, ino_t, struct buffer_head **);
-extern struct inode * minix_new_inode(const struct inode * dir, int * error);
+extern struct inode * minix_new_inode(const struct inode *, int, int *);
 extern void minix_free_inode(struct inode * inode);
 extern unsigned long minix_count_free_inodes(struct minix_sb_info *sbi);
 extern int minix_new_block(struct inode * inode);
diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index 32b131cd612..e20ee85955d 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -46,10 +46,9 @@ static int minix_mknod(struct inode * dir, struct dentry *dentry, int mode, dev_
 	if (!old_valid_dev(rdev))
 		return -EINVAL;
 
-	inode = minix_new_inode(dir, &error);
+	inode = minix_new_inode(dir, mode, &error);
 
 	if (inode) {
-		inode->i_mode = mode;
 		minix_set_inode(inode, rdev);
 		mark_inode_dirty(inode);
 		error = add_nondir(dentry, inode);
@@ -73,11 +72,10 @@ static int minix_symlink(struct inode * dir, struct dentry *dentry,
 	if (i > dir->i_sb->s_blocksize)
 		goto out;
 
-	inode = minix_new_inode(dir, &err);
+	inode = minix_new_inode(dir, S_IFLNK | 0777, &err);
 	if (!inode)
 		goto out;
 
-	inode->i_mode = S_IFLNK | 0777;
 	minix_set_inode(inode, 0);
 	err = page_symlink(inode, symname, i);
 	if (err)
@@ -117,13 +115,10 @@ static int minix_mkdir(struct inode * dir, struct dentry *dentry, int mode)
 
 	inode_inc_link_count(dir);
 
-	inode = minix_new_inode(dir, &err);
+	inode = minix_new_inode(dir, mode, &err);
 	if (!inode)
 		goto out_dir;
 
-	inode->i_mode = S_IFDIR | mode;
-	if (dir->i_mode & S_ISGID)
-		inode->i_mode |= S_ISGID;
 	minix_set_inode(inode, 0);
 
 	inode_inc_link_count(inode);

From 73459dcc67e77aa5cb28d51b2d84dd145977ace3 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:15 +0300
Subject: [PATCH 2709/3638] nilfs2: replace inode uid,gid,mode initialization
 with helper function

Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nilfs2/inode.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 5e226d4b41d..39e038ac8fc 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -280,16 +280,7 @@ struct inode *nilfs_new_inode(struct inode *dir, int mode)
 	/* reference count of i_bh inherits from nilfs_mdt_read_block() */
 
 	atomic_inc(&sbi->s_inodes_count);
-
-	inode->i_uid = current_fsuid();
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else
-		inode->i_gid = current_fsgid();
-
-	inode->i_mode = mode;
+	inode_init_owner(inode, dir, mode);
 	inode->i_ino = ino;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 

From 75fe0a2477dab30f00c228f9a4d79009d5677bde Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:16 +0300
Subject: [PATCH 2710/3638] ocfs2: replace inode uid,gid,mode initialization
 with helper function

Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ocfs2/namei.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index db5dd3ed4df..f171b51a74f 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -204,14 +204,7 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode)
 		inode->i_nlink = 2;
 	else
 		inode->i_nlink = 1;
-	inode->i_uid = current_fsuid();
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else
-		inode->i_gid = current_fsgid();
-	inode->i_mode = mode;
+	inode_init_owner(inode, dir, mode);
 	dquot_initialize(inode);
 	return inode;
 }

From e6ecdc70fb76490719bf5aa20c35d23c0a392ead Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:31:46 +0300
Subject: [PATCH 2711/3638] bfs: replace inode uid,gid,mode initialization with
 helper function

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/bfs/dir.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 1e41aadb106..8f73841fc97 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -105,14 +105,12 @@ static int bfs_create(struct inode *dir, struct dentry *dentry, int mode,
 	}
 	set_bit(ino, info->si_imap);
 	info->si_freei--;
-	inode->i_uid = current_fsuid();
-	inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current_fsgid();
+	inode_init_owner(inode, dir, mode);
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 	inode->i_blocks = 0;
 	inode->i_op = &bfs_file_inops;
 	inode->i_fop = &bfs_file_operations;
 	inode->i_mapping->a_ops = &bfs_aops;
-	inode->i_mode = mode;
 	inode->i_ino = ino;
 	BFS_I(inode)->i_dsk_ino = ino;
 	BFS_I(inode)->i_sblock = 0;

From 6a9e652c88fad648ea088ac07dbc671a9813f75e Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:17 +0300
Subject: [PATCH 2712/3638] omfs: replace inode uid,gid,mode initialization
 with helper function

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/omfs/inode.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index b44bb835e8e..089839a6cc6 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -37,9 +37,7 @@ struct inode *omfs_new_inode(struct inode *dir, int mode)
 		goto fail;
 
 	inode->i_ino = new_block;
-	inode->i_mode = mode;
-	inode->i_uid = current_fsuid();
-	inode->i_gid = current_fsgid();
+	inode_init_owner(inode, NULL, mode);
 	inode->i_mapping->a_ops = &omfs_aops;
 
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;

From 454abafe9d8beb3fe7da06131b3d81d6d352a959 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:18 +0300
Subject: [PATCH 2713/3638] ramfs: replace inode uid,gid,mode initialization
 with helper function

- seems what ramfs_get_inode is only locally, make it static.
[AV: the hell it is; it's used by shmem, so shmem needed conversion too
and no, that function can't be made static]

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ramfs/inode.c      | 20 ++++++--------------
 include/linux/ramfs.h |  3 ++-
 mm/shmem.c            | 25 ++++++++-----------------
 3 files changed, 16 insertions(+), 32 deletions(-)

diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index f47cd212dee..a5ebae70dc6 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -52,14 +52,13 @@ static struct backing_dev_info ramfs_backing_dev_info = {
 			  BDI_CAP_READ_MAP | BDI_CAP_WRITE_MAP | BDI_CAP_EXEC_MAP,
 };
 
-struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev)
+struct inode *ramfs_get_inode(struct super_block *sb,
+				const struct inode *dir, int mode, dev_t dev)
 {
 	struct inode * inode = new_inode(sb);
 
 	if (inode) {
-		inode->i_mode = mode;
-		inode->i_uid = current_fsuid();
-		inode->i_gid = current_fsgid();
+		inode_init_owner(inode, dir, mode);
 		inode->i_mapping->a_ops = &ramfs_aops;
 		inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
 		mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER);
@@ -95,15 +94,10 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev)
 static int
 ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
 {
-	struct inode * inode = ramfs_get_inode(dir->i_sb, mode, dev);
+	struct inode * inode = ramfs_get_inode(dir->i_sb, dir, mode, dev);
 	int error = -ENOSPC;
 
 	if (inode) {
-		if (dir->i_mode & S_ISGID) {
-			inode->i_gid = dir->i_gid;
-			if (S_ISDIR(mode))
-				inode->i_mode |= S_ISGID;
-		}
 		d_instantiate(dentry, inode);
 		dget(dentry);	/* Extra count - pin the dentry in core */
 		error = 0;
@@ -130,13 +124,11 @@ static int ramfs_symlink(struct inode * dir, struct dentry *dentry, const char *
 	struct inode *inode;
 	int error = -ENOSPC;
 
-	inode = ramfs_get_inode(dir->i_sb, S_IFLNK|S_IRWXUGO, 0);
+	inode = ramfs_get_inode(dir->i_sb, dir, S_IFLNK|S_IRWXUGO, 0);
 	if (inode) {
 		int l = strlen(symname)+1;
 		error = page_symlink(inode, symname, l);
 		if (!error) {
-			if (dir->i_mode & S_ISGID)
-				inode->i_gid = dir->i_gid;
 			d_instantiate(dentry, inode);
 			dget(dentry);
 			dir->i_mtime = dir->i_ctime = CURRENT_TIME;
@@ -241,7 +233,7 @@ int ramfs_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_op		= &ramfs_ops;
 	sb->s_time_gran		= 1;
 
-	inode = ramfs_get_inode(sb, S_IFDIR | fsi->mount_opts.mode, 0);
+	inode = ramfs_get_inode(sb, NULL, S_IFDIR | fsi->mount_opts.mode, 0);
 	if (!inode) {
 		err = -ENOMEM;
 		goto fail;
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index 8600508c77a..e7320b5e82f 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -1,7 +1,8 @@
 #ifndef _LINUX_RAMFS_H
 #define _LINUX_RAMFS_H
 
-struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev);
+struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,
+	 int mode, dev_t dev);
 extern int ramfs_get_sb(struct file_system_type *fs_type,
 	 int flags, const char *dev_name, void *data, struct vfsmount *mnt);
 
diff --git a/mm/shmem.c b/mm/shmem.c
index 717aa62ff12..0cd7f66f1c6 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1545,8 +1545,8 @@ static int shmem_mmap(struct file *file, struct vm_area_struct *vma)
 	return 0;
 }
 
-static struct inode *shmem_get_inode(struct super_block *sb, int mode,
-					dev_t dev, unsigned long flags)
+static struct inode *shmem_get_inode(struct super_block *sb, const struct inode *dir,
+				     int mode, dev_t dev, unsigned long flags)
 {
 	struct inode *inode;
 	struct shmem_inode_info *info;
@@ -1557,9 +1557,7 @@ static struct inode *shmem_get_inode(struct super_block *sb, int mode,
 
 	inode = new_inode(sb);
 	if (inode) {
-		inode->i_mode = mode;
-		inode->i_uid = current_fsuid();
-		inode->i_gid = current_fsgid();
+		inode_init_owner(inode, dir, mode);
 		inode->i_blocks = 0;
 		inode->i_mapping->backing_dev_info = &shmem_backing_dev_info;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
@@ -1814,7 +1812,7 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
 	struct inode *inode;
 	int error = -ENOSPC;
 
-	inode = shmem_get_inode(dir->i_sb, mode, dev, VM_NORESERVE);
+	inode = shmem_get_inode(dir->i_sb, dir, mode, dev, VM_NORESERVE);
 	if (inode) {
 		error = security_inode_init_security(inode, dir, NULL, NULL,
 						     NULL);
@@ -1833,11 +1831,6 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
 #else
 		error = 0;
 #endif
-		if (dir->i_mode & S_ISGID) {
-			inode->i_gid = dir->i_gid;
-			if (S_ISDIR(mode))
-				inode->i_mode |= S_ISGID;
-		}
 		dir->i_size += BOGO_DIRENT_SIZE;
 		dir->i_ctime = dir->i_mtime = CURRENT_TIME;
 		d_instantiate(dentry, inode);
@@ -1957,7 +1950,7 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
 	if (len > PAGE_CACHE_SIZE)
 		return -ENAMETOOLONG;
 
-	inode = shmem_get_inode(dir->i_sb, S_IFLNK|S_IRWXUGO, 0, VM_NORESERVE);
+	inode = shmem_get_inode(dir->i_sb, dir, S_IFLNK|S_IRWXUGO, 0, VM_NORESERVE);
 	if (!inode)
 		return -ENOSPC;
 
@@ -1992,8 +1985,6 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
 		unlock_page(page);
 		page_cache_release(page);
 	}
-	if (dir->i_mode & S_ISGID)
-		inode->i_gid = dir->i_gid;
 	dir->i_size += BOGO_DIRENT_SIZE;
 	dir->i_ctime = dir->i_mtime = CURRENT_TIME;
 	d_instantiate(dentry, inode);
@@ -2366,7 +2357,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_flags |= MS_POSIXACL;
 #endif
 
-	inode = shmem_get_inode(sb, S_IFDIR | sbinfo->mode, 0, VM_NORESERVE);
+	inode = shmem_get_inode(sb, NULL, S_IFDIR | sbinfo->mode, 0, VM_NORESERVE);
 	if (!inode)
 		goto failed;
 	inode->i_uid = sbinfo->uid;
@@ -2611,7 +2602,7 @@ int shmem_lock(struct file *file, int lock, struct user_struct *user)
 
 #define shmem_vm_ops				generic_file_vm_ops
 #define shmem_file_operations			ramfs_file_operations
-#define shmem_get_inode(sb, mode, dev, flags)	ramfs_get_inode(sb, mode, dev)
+#define shmem_get_inode(sb, dir, mode, dev, flags)	ramfs_get_inode(sb, dir, mode, dev)
 #define shmem_acct_size(flags, size)		0
 #define shmem_unacct_size(flags, size)		do {} while (0)
 #define SHMEM_MAX_BYTES				MAX_LFS_FILESIZE
@@ -2655,7 +2646,7 @@ struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags
 	path.mnt = mntget(shm_mnt);
 
 	error = -ENOSPC;
-	inode = shmem_get_inode(root->d_sb, S_IFREG | S_IRWXUGO, 0, flags);
+	inode = shmem_get_inode(root->d_sb, NULL, S_IFREG | S_IRWXUGO, 0, flags);
 	if (!inode)
 		goto put_dentry;
 

From 04b7ed0d33eee161b223d64f16e1f521a84ace76 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:19 +0300
Subject: [PATCH 2714/3638] reiserfs: replace inode uid,gid,mode initialization
 with helper function

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/reiserfs/namei.c | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index d0c43cb99ff..ee78d4a0086 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -561,23 +561,13 @@ static int drop_new_inode(struct inode *inode)
 */
 static int new_inode_init(struct inode *inode, struct inode *dir, int mode)
 {
-
-	/* the quota init calls have to know who to charge the quota to, so
-	 ** we have to set uid and gid here
-	 */
-	inode->i_uid = current_fsuid();
-	inode->i_mode = mode;
 	/* Make inode invalid - just in case we are going to drop it before
 	 * the initialization happens */
 	INODE_PKEY(inode)->k_objectid = 0;
-
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			inode->i_mode |= S_ISGID;
-	} else {
-		inode->i_gid = current_fsgid();
-	}
+	/* the quota init calls have to know who to charge the quota to, so
+	 ** we have to set uid and gid here
+	 */
+	inode_init_owner(inode, dir, mode);
 	dquot_initialize(inode);
 	return 0;
 }

From 85640bd9d47f6ad0290558009e9313632a45861b Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:20 +0300
Subject: [PATCH 2715/3638] sysv: replace inode uid,gid,mode initialization
 with helper function

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/sysv/ialloc.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c
index 241e9765cfa..bbd69bdb0fa 100644
--- a/fs/sysv/ialloc.c
+++ b/fs/sysv/ialloc.c
@@ -159,15 +159,7 @@ struct inode * sysv_new_inode(const struct inode * dir, mode_t mode)
 	*sbi->s_sb_fic_count = cpu_to_fs16(sbi, count);
 	fs16_add(sbi, sbi->s_sb_total_free_inodes, -1);
 	dirty_sb(sb);
-	
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else
-		inode->i_gid = current_fsgid();
-
-	inode->i_uid = current_fsuid();
+	inode_init_owner(inode, dir, mode);
 	inode->i_ino = fs16_to_cpu(sbi, ino);
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 	inode->i_blocks = 0;
@@ -176,7 +168,6 @@ struct inode * sysv_new_inode(const struct inode * dir, mode_t mode)
 	insert_inode_hash(inode);
 	mark_inode_dirty(inode);
 
-	inode->i_mode = mode;		/* for sysv_write_inode() */
 	sysv_write_inode(inode, 0);	/* ensure inode not allocated again */
 	mark_inode_dirty(inode);	/* cleared by sysv_write_inode() */
 	/* That's it. */

From abf5d08acaca942b49daf0ed87a9deddc94b183a Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:21 +0300
Subject: [PATCH 2716/3638] ubifs: replace inode uid,gid,mode initialization
 with helper function

Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ubifs/dir.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 401e503d44a..87ebcce7221 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -104,14 +104,7 @@ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir,
 	 */
 	inode->i_flags |= (S_NOCMTIME);
 
-	inode->i_uid = current_fsuid();
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else
-		inode->i_gid = current_fsgid();
-	inode->i_mode = mode;
+	inode_init_owner(inode, dir, mode);
 	inode->i_mtime = inode->i_atime = inode->i_ctime =
 			 ubifs_current_time(inode);
 	inode->i_mapping->nrpages = 0;

From a6c5a0342a95f9c7cf18adef79ca52a35cd5e4da Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:22 +0300
Subject: [PATCH 2717/3638] udf: replace inode uid,gid,mode init with helper

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/udf/ialloc.c | 11 ++---------
 fs/udf/namei.c  | 10 ++--------
 2 files changed, 4 insertions(+), 17 deletions(-)

diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index fb68c9cd0c3..2b5586c7f02 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -124,15 +124,8 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
 		udf_updated_lvid(sb);
 	}
 	mutex_unlock(&sbi->s_alloc_mutex);
-	inode->i_mode = mode;
-	inode->i_uid = current_fsuid();
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else {
-		inode->i_gid = current_fsgid();
-	}
+
+	inode_init_owner(inode, dir, mode);
 
 	iinfo->i_location.logicalBlockNum = block;
 	iinfo->i_location.partitionReferenceNum =
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 75816025f95..585f733615d 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -579,7 +579,6 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
 		inode->i_data.a_ops = &udf_aops;
 	inode->i_op = &udf_file_inode_operations;
 	inode->i_fop = &udf_file_operations;
-	inode->i_mode = mode;
 	mark_inode_dirty(inode);
 
 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
@@ -627,7 +626,6 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
 		goto out;
 
 	iinfo = UDF_I(inode);
-	inode->i_uid = current_fsuid();
 	init_special_inode(inode, mode, rdev);
 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
 	if (!fi) {
@@ -674,7 +672,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 		goto out;
 
 	err = -EIO;
-	inode = udf_new_inode(dir, S_IFDIR, &err);
+	inode = udf_new_inode(dir, S_IFDIR | mode, &err);
 	if (!inode)
 		goto out;
 
@@ -697,9 +695,6 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 			FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
 	udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL);
 	brelse(fibh.sbh);
-	inode->i_mode = S_IFDIR | mode;
-	if (dir->i_mode & S_ISGID)
-		inode->i_mode |= S_ISGID;
 	mark_inode_dirty(inode);
 
 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
@@ -912,7 +907,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 	dquot_initialize(dir);
 
 	lock_kernel();
-	inode = udf_new_inode(dir, S_IFLNK, &err);
+	inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO, &err);
 	if (!inode)
 		goto out;
 
@@ -923,7 +918,6 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 	}
 
 	iinfo = UDF_I(inode);
-	inode->i_mode = S_IFLNK | S_IRWXUGO;
 	inode->i_data.a_ops = &udf_symlink_aops;
 	inode->i_op = &udf_symlink_inode_operations;
 

From be8ded5974c69d0d2128a508b0900ef541d0e7da Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 4 Mar 2010 17:32:23 +0300
Subject: [PATCH 2718/3638] ufs: replace inode uid,gid,mode initialization with
 helper function

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ufs/ialloc.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 230ecf60802..3a959d55084 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -303,15 +303,7 @@ cg_found:
 	sb->s_dirt = 1;
 
 	inode->i_ino = cg * uspi->s_ipg + bit;
-	inode->i_mode = mode;
-	inode->i_uid = current_fsuid();
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			inode->i_mode |= S_ISGID;
-	} else
-		inode->i_gid = current_fsgid();
-
+	inode_init_owner(inode, dir, mode);
 	inode->i_blocks = 0;
 	inode->i_generation = 0;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;

From ab9a79b9669c28734a69fa9384df6fb93152e53a Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 15 May 2010 04:02:54 -0400
Subject: [PATCH 2719/3638] logfs: replace inode uid,gid,mode initialization
 with helper function

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/logfs/inode.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c
index 755a92e8daa..f602e230e16 100644
--- a/fs/logfs/inode.c
+++ b/fs/logfs/inode.c
@@ -358,14 +358,7 @@ struct inode *logfs_new_inode(struct inode *dir, int mode)
 	inode->i_mode = mode;
 	logfs_set_ino_generation(sb, inode);
 
-	inode->i_uid = current_fsuid();
-	inode->i_gid = current_fsgid();
-	if (dir->i_mode & S_ISGID) {
-		inode->i_gid = dir->i_gid;
-		if (S_ISDIR(mode))
-			inode->i_mode |= S_ISGID;
-	}
-
+	inode_init_owner(inode, dir, mode);
 	logfs_inode_setops(inode);
 	insert_inode_hash(inode);
 

From 4403158ba295c8e36f6736b1bb12d0f7e1923dac Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 17 May 2010 00:59:46 -0400
Subject: [PATCH 2720/3638] Ban ecryptfs over ecryptfs

This is a seriously simplified patch from Eric Sandeen; copy of
rationale follows:
===
  mounting stacked ecryptfs on ecryptfs has been shown to lead to bugs
  in testing.  For crypto info in xattr, there is no mechanism for handling
  this at all, and for normal file headers, we run into other trouble:

  BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
  IP: [<ffffffffa015b0b3>] ecryptfs_d_revalidate+0x43/0xa0 [ecryptfs]
  ...

  There doesn't seem to be any good usecase for this, so I'd suggest just
  disallowing the configuration.

  Based on a patch originally, I believe, from Mike Halcrow.
===

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ecryptfs/main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 7d3ed6bfcfa..cbd4e18adb2 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -483,6 +483,7 @@ out:
 }
 
 struct kmem_cache *ecryptfs_sb_info_cache;
+static struct file_system_type ecryptfs_fs_type;
 
 /**
  * ecryptfs_read_super
@@ -503,6 +504,13 @@ static int ecryptfs_read_super(struct super_block *sb, const char *dev_name)
 		ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");
 		goto out;
 	}
+	if (path.dentry->d_sb->s_type == &ecryptfs_fs_type) {
+		rc = -EINVAL;
+		printk(KERN_ERR "Mount on filesystem of type "
+			"eCryptfs explicitly disallowed due to "
+			"known incompatibilities\n");
+		goto out_free;
+	}
 	ecryptfs_set_superblock_lower(sb, path.dentry->d_sb);
 	sb->s_maxbytes = path.dentry->d_sb->s_maxbytes;
 	sb->s_blocksize = path.dentry->d_sb->s_blocksize;

From f6d335c08df48b318187a087c9c38ba3d416e115 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Fri, 21 May 2010 15:27:09 +0100
Subject: [PATCH 2721/3638] AFS: Don't put struct file on the stack

Don't put struct file on the stack as it takes up quite a lot of space
and violates lifetime rules for struct file.

Rather than calling afs_readpage() indirectly from the directory routines by
way of read_mapping_page(), split afs_readpage() to have afs_page_filler()
that's given a key instead of a file and call read_cache_page(), specifying the
new function directly.  Use it in afs_readpages() as well.

Also make use of this in afs_mntpt_check_symlink() too for the same reason.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
---
 fs/afs/dir.c      |  6 +----
 fs/afs/file.c     | 64 +++++++++++++++++++++++++++--------------------
 fs/afs/internal.h |  1 +
 fs/afs/mntpt.c    |  6 ++---
 4 files changed, 41 insertions(+), 36 deletions(-)

diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index adc1cb771b5..b42d5cc1d6d 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -189,13 +189,9 @@ static struct page *afs_dir_get_page(struct inode *dir, unsigned long index,
 				     struct key *key)
 {
 	struct page *page;
-	struct file file = {
-		.private_data = key,
-	};
-
 	_enter("{%lu},%lu", dir->i_ino, index);
 
-	page = read_mapping_page(dir->i_mapping, index, &file);
+	page = read_cache_page(dir->i_mapping, index, afs_page_filler, key);
 	if (!IS_ERR(page)) {
 		kmap(page);
 		if (!PageChecked(page))
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 0df9bc2b724..14d89fa58fe 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -121,34 +121,19 @@ static void afs_file_readpage_read_complete(struct page *page,
 #endif
 
 /*
- * AFS read page from file, directory or symlink
+ * read page from file, directory or symlink, given a key to use
  */
-static int afs_readpage(struct file *file, struct page *page)
+int afs_page_filler(void *data, struct page *page)
 {
-	struct afs_vnode *vnode;
-	struct inode *inode;
-	struct key *key;
+	struct inode *inode = page->mapping->host;
+	struct afs_vnode *vnode = AFS_FS_I(inode);
+	struct key *key = data;
 	size_t len;
 	off_t offset;
 	int ret;
 
-	inode = page->mapping->host;
-
-	if (file) {
-		key = file->private_data;
-		ASSERT(key != NULL);
-	} else {
-		key = afs_request_key(AFS_FS_S(inode->i_sb)->volume->cell);
-		if (IS_ERR(key)) {
-			ret = PTR_ERR(key);
-			goto error_nokey;
-		}
-	}
-
 	_enter("{%x},{%lu},{%lu}", key_serial(key), inode->i_ino, page->index);
 
-	vnode = AFS_FS_I(inode);
-
 	BUG_ON(!PageLocked(page));
 
 	ret = -ESTALE;
@@ -214,31 +199,56 @@ static int afs_readpage(struct file *file, struct page *page)
 		unlock_page(page);
 	}
 
-	if (!file)
-		key_put(key);
 	_leave(" = 0");
 	return 0;
 
 error:
 	SetPageError(page);
 	unlock_page(page);
-	if (!file)
-		key_put(key);
-error_nokey:
 	_leave(" = %d", ret);
 	return ret;
 }
 
+/*
+ * read page from file, directory or symlink, given a file to nominate the key
+ * to be used
+ */
+static int afs_readpage(struct file *file, struct page *page)
+{
+	struct key *key;
+	int ret;
+
+	if (file) {
+		key = file->private_data;
+		ASSERT(key != NULL);
+		ret = afs_page_filler(key, page);
+	} else {
+		struct inode *inode = page->mapping->host;
+		key = afs_request_key(AFS_FS_S(inode->i_sb)->volume->cell);
+		if (IS_ERR(key)) {
+			ret = PTR_ERR(key);
+		} else {
+			ret = afs_page_filler(key, page);
+			key_put(key);
+		}
+	}
+	return ret;
+}
+
 /*
  * read a set of pages
  */
 static int afs_readpages(struct file *file, struct address_space *mapping,
 			 struct list_head *pages, unsigned nr_pages)
 {
+	struct key *key = file->private_data;
 	struct afs_vnode *vnode;
 	int ret = 0;
 
-	_enter(",{%lu},,%d", mapping->host->i_ino, nr_pages);
+	_enter("{%d},{%lu},,%d",
+	       key_serial(key), mapping->host->i_ino, nr_pages);
+
+	ASSERT(key != NULL);
 
 	vnode = AFS_FS_I(mapping->host);
 	if (vnode->flags & AFS_VNODE_DELETED) {
@@ -279,7 +289,7 @@ static int afs_readpages(struct file *file, struct address_space *mapping,
 	}
 
 	/* load the missing pages from the network */
-	ret = read_cache_pages(mapping, pages, (void *) afs_readpage, file);
+	ret = read_cache_pages(mapping, pages, afs_page_filler, key);
 
 	_leave(" = %d [netting]", ret);
 	return ret;
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index a10f2582844..807f284cc75 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -494,6 +494,7 @@ extern const struct file_operations afs_file_operations;
 
 extern int afs_open(struct inode *, struct file *);
 extern int afs_release(struct inode *, struct file *);
+extern int afs_page_filler(void *, struct page *);
 
 /*
  * flock.c
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index b3feddc4f7d..a9e23039ea3 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -49,9 +49,6 @@ static unsigned long afs_mntpt_expiry_timeout = 10 * 60;
  */
 int afs_mntpt_check_symlink(struct afs_vnode *vnode, struct key *key)
 {
-	struct file file = {
-		.private_data = key,
-	};
 	struct page *page;
 	size_t size;
 	char *buf;
@@ -61,7 +58,8 @@ int afs_mntpt_check_symlink(struct afs_vnode *vnode, struct key *key)
 	       vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique);
 
 	/* read the contents of the symlink into the pagecache */
-	page = read_mapping_page(AFS_VNODE_TO_I(vnode)->i_mapping, 0, &file);
+	page = read_cache_page(AFS_VNODE_TO_I(vnode)->i_mapping, 0,
+			       afs_page_filler, key);
 	if (IS_ERR(page)) {
 		ret = PTR_ERR(page);
 		goto out;

From bef5bc2464517cbbf8f85f09b5ade46904afec9a Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 21 May 2010 10:56:12 -0400
Subject: [PATCH 2722/3638] simplify access to ecryptfs inodes in ->readpage()
 and friends

we can get to them from page->mapping->host, no need to mess with
file.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ecryptfs/mmap.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 2ee9a3a7b68..14e81c26c3e 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -198,7 +198,7 @@ out:
 static int ecryptfs_readpage(struct file *file, struct page *page)
 {
 	struct ecryptfs_crypt_stat *crypt_stat =
-		&ecryptfs_inode_to_private(file->f_path.dentry->d_inode)->crypt_stat;
+		&ecryptfs_inode_to_private(page->mapping->host)->crypt_stat;
 	int rc = 0;
 
 	if (!crypt_stat
@@ -300,8 +300,7 @@ static int ecryptfs_write_begin(struct file *file,
 
 	if (!PageUptodate(page)) {
 		struct ecryptfs_crypt_stat *crypt_stat =
-			&ecryptfs_inode_to_private(
-				file->f_path.dentry->d_inode)->crypt_stat;
+			&ecryptfs_inode_to_private(mapping->host)->crypt_stat;
 
 		if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)
 		    || (crypt_stat->flags & ECRYPTFS_NEW_FILE)) {
@@ -487,7 +486,7 @@ static int ecryptfs_write_end(struct file *file,
 	unsigned to = from + copied;
 	struct inode *ecryptfs_inode = mapping->host;
 	struct ecryptfs_crypt_stat *crypt_stat =
-		&ecryptfs_inode_to_private(file->f_path.dentry->d_inode)->crypt_stat;
+		&ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
 	int rc;
 
 	if (crypt_stat->flags & ECRYPTFS_NEW_FILE) {

From 02bd97997a07a89cb9311c7f00864cfc785c37f9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 21 May 2010 11:02:14 -0400
Subject: [PATCH 2723/3638] switch ecryptfs_get_locked_page() to struct inode *

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ecryptfs/ecryptfs_kernel.h |  2 +-
 fs/ecryptfs/mmap.c            | 12 ++----------
 fs/ecryptfs/read_write.c      |  8 ++++----
 3 files changed, 7 insertions(+), 15 deletions(-)

diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index bfc2e0f78f0..84dd2f88d00 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -739,7 +739,7 @@ int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs,
 				     pgoff_t page_index,
 				     size_t offset_in_page, size_t size,
 				     struct inode *ecryptfs_inode);
-struct page *ecryptfs_get_locked_page(struct file *file, loff_t index);
+struct page *ecryptfs_get_locked_page(struct inode *inode, loff_t index);
 int ecryptfs_exorcise_daemon(struct ecryptfs_daemon *daemon);
 int ecryptfs_find_daemon_by_euid(struct ecryptfs_daemon **daemon, uid_t euid,
 				 struct user_namespace *user_ns);
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 14e81c26c3e..b1d82756544 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -44,17 +44,9 @@
  * Returns locked and up-to-date page (if ok), with increased
  * refcnt.
  */
-struct page *ecryptfs_get_locked_page(struct file *file, loff_t index)
+struct page *ecryptfs_get_locked_page(struct inode *inode, loff_t index)
 {
-	struct dentry *dentry;
-	struct inode *inode;
-	struct address_space *mapping;
-	struct page *page;
-
-	dentry = file->f_path.dentry;
-	inode = dentry->d_inode;
-	mapping = inode->i_mapping;
-	page = read_mapping_page(mapping, index, (void *)file);
+	struct page *page = read_mapping_page(inode->i_mapping, index, NULL);
 	if (!IS_ERR(page))
 		lock_page(page);
 	return page;
diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
index 0cc4fafd655..3cc17a96cf2 100644
--- a/fs/ecryptfs/read_write.c
+++ b/fs/ecryptfs/read_write.c
@@ -145,7 +145,7 @@ int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset,
 			if (num_bytes > total_remaining_zeros)
 				num_bytes = total_remaining_zeros;
 		}
-		ecryptfs_page = ecryptfs_get_locked_page(ecryptfs_file,
+		ecryptfs_page = ecryptfs_get_locked_page(ecryptfs_inode,
 							 ecryptfs_page_idx);
 		if (IS_ERR(ecryptfs_page)) {
 			rc = PTR_ERR(ecryptfs_page);
@@ -302,10 +302,10 @@ int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs,
 int ecryptfs_read(char *data, loff_t offset, size_t size,
 		  struct file *ecryptfs_file)
 {
+	struct inode *ecryptfs_inode = ecryptfs_file->f_dentry->d_inode;
 	struct page *ecryptfs_page;
 	char *ecryptfs_page_virt;
-	loff_t ecryptfs_file_size =
-		i_size_read(ecryptfs_file->f_dentry->d_inode);
+	loff_t ecryptfs_file_size = i_size_read(ecryptfs_inode);
 	loff_t data_offset = 0;
 	loff_t pos;
 	int rc = 0;
@@ -327,7 +327,7 @@ int ecryptfs_read(char *data, loff_t offset, size_t size,
 
 		if (num_bytes > total_remaining_bytes)
 			num_bytes = total_remaining_bytes;
-		ecryptfs_page = ecryptfs_get_locked_page(ecryptfs_file,
+		ecryptfs_page = ecryptfs_get_locked_page(ecryptfs_inode,
 							 ecryptfs_page_idx);
 		if (IS_ERR(ecryptfs_page)) {
 			rc = PTR_ERR(ecryptfs_page);

From 48c1e44aceca577aa35be509714bd9ec4b4c3837 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 21 May 2010 11:09:58 -0400
Subject: [PATCH 2724/3638] switch ecryptfs_write() to struct inode *, kill
 on-stack fake files

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ecryptfs/ecryptfs_kernel.h |  3 +--
 fs/ecryptfs/inode.c           | 48 ++++++-----------------------------
 fs/ecryptfs/read_write.c      |  5 ++--
 3 files changed, 11 insertions(+), 45 deletions(-)

diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 84dd2f88d00..0032a9f5a3a 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -731,8 +731,7 @@ int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data,
 int ecryptfs_write_lower_page_segment(struct inode *ecryptfs_inode,
 				      struct page *page_for_lower,
 				      size_t offset_in_page, size_t size);
-int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset,
-		   size_t size);
+int ecryptfs_write(struct inode *inode, char *data, loff_t offset, size_t size);
 int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
 			struct inode *ecryptfs_inode);
 int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs,
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index e2d4418affa..65dee2f336a 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -142,19 +142,10 @@ out:
 static int grow_file(struct dentry *ecryptfs_dentry)
 {
 	struct inode *ecryptfs_inode = ecryptfs_dentry->d_inode;
-	struct file fake_file;
-	struct ecryptfs_file_info tmp_file_info;
 	char zero_virt[] = { 0x00 };
 	int rc = 0;
 
-	memset(&fake_file, 0, sizeof(fake_file));
-	fake_file.f_path.dentry = ecryptfs_dentry;
-	memset(&tmp_file_info, 0, sizeof(tmp_file_info));
-	ecryptfs_set_file_private(&fake_file, &tmp_file_info);
-	ecryptfs_set_file_lower(
-		&fake_file,
-		ecryptfs_inode_to_private(ecryptfs_inode)->lower_file);
-	rc = ecryptfs_write(&fake_file, zero_virt, 0, 1);
+	rc = ecryptfs_write(ecryptfs_inode, zero_virt, 0, 1);
 	i_size_write(ecryptfs_inode, 0);
 	rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode);
 	ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat.flags |=
@@ -784,8 +775,6 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 {
 	int rc = 0;
 	struct inode *inode = dentry->d_inode;
-	struct dentry *lower_dentry;
-	struct file fake_ecryptfs_file;
 	struct ecryptfs_crypt_stat *crypt_stat;
 	loff_t i_size = i_size_read(inode);
 	loff_t lower_size_before_truncate;
@@ -796,23 +785,6 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 		goto out;
 	}
 	crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
-	/* Set up a fake ecryptfs file, this is used to interface with
-	 * the file in the underlying filesystem so that the
-	 * truncation has an effect there as well. */
-	memset(&fake_ecryptfs_file, 0, sizeof(fake_ecryptfs_file));
-	fake_ecryptfs_file.f_path.dentry = dentry;
-	/* Released at out_free: label */
-	ecryptfs_set_file_private(&fake_ecryptfs_file,
-				  kmem_cache_alloc(ecryptfs_file_info_cache,
-						   GFP_KERNEL));
-	if (unlikely(!ecryptfs_file_to_private(&fake_ecryptfs_file))) {
-		rc = -ENOMEM;
-		goto out;
-	}
-	lower_dentry = ecryptfs_dentry_to_lower(dentry);
-	ecryptfs_set_file_lower(
-		&fake_ecryptfs_file,
-		ecryptfs_inode_to_private(dentry->d_inode)->lower_file);
 	/* Switch on growing or shrinking file */
 	if (ia->ia_size > i_size) {
 		char zero[] = { 0x00 };
@@ -822,7 +794,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 		 * this triggers code that will fill in 0's throughout
 		 * the intermediate portion of the previous end of the
 		 * file and the new and of the file */
-		rc = ecryptfs_write(&fake_ecryptfs_file, zero,
+		rc = ecryptfs_write(inode, zero,
 				    (ia->ia_size - 1), 1);
 	} else { /* ia->ia_size < i_size_read(inode) */
 		/* We're chopping off all the pages down to the page
@@ -835,10 +807,10 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 		if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
 			rc = vmtruncate(inode, ia->ia_size);
 			if (rc)
-				goto out_free;
+				goto out;
 			lower_ia->ia_size = ia->ia_size;
 			lower_ia->ia_valid |= ATTR_SIZE;
-			goto out_free;
+			goto out;
 		}
 		if (num_zeros) {
 			char *zeros_virt;
@@ -846,16 +818,16 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 			zeros_virt = kzalloc(num_zeros, GFP_KERNEL);
 			if (!zeros_virt) {
 				rc = -ENOMEM;
-				goto out_free;
+				goto out;
 			}
-			rc = ecryptfs_write(&fake_ecryptfs_file, zeros_virt,
+			rc = ecryptfs_write(inode, zeros_virt,
 					    ia->ia_size, num_zeros);
 			kfree(zeros_virt);
 			if (rc) {
 				printk(KERN_ERR "Error attempting to zero out "
 				       "the remainder of the end page on "
 				       "reducing truncate; rc = [%d]\n", rc);
-				goto out_free;
+				goto out;
 			}
 		}
 		vmtruncate(inode, ia->ia_size);
@@ -864,7 +836,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 			printk(KERN_ERR	"Problem with "
 			       "ecryptfs_write_inode_size_to_metadata; "
 			       "rc = [%d]\n", rc);
-			goto out_free;
+			goto out;
 		}
 		/* We are reducing the size of the ecryptfs file, and need to
 		 * know if we need to reduce the size of the lower file. */
@@ -878,10 +850,6 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 		} else
 			lower_ia->ia_valid &= ~ATTR_SIZE;
 	}
-out_free:
-	if (ecryptfs_file_to_private(&fake_ecryptfs_file))
-		kmem_cache_free(ecryptfs_file_info_cache,
-				ecryptfs_file_to_private(&fake_ecryptfs_file));
 out:
 	return rc;
 }
diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
index 3cc17a96cf2..db184ef15d3 100644
--- a/fs/ecryptfs/read_write.c
+++ b/fs/ecryptfs/read_write.c
@@ -93,7 +93,7 @@ int ecryptfs_write_lower_page_segment(struct inode *ecryptfs_inode,
 
 /**
  * ecryptfs_write
- * @ecryptfs_file: The eCryptfs file into which to write
+ * @ecryptfs_inode: The eCryptfs file into which to write
  * @data: Virtual address where data to write is located
  * @offset: Offset in the eCryptfs file at which to begin writing the
  *          data from @data
@@ -109,12 +109,11 @@ int ecryptfs_write_lower_page_segment(struct inode *ecryptfs_inode,
  *
  * Returns zero on success; non-zero otherwise
  */
-int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset,
+int ecryptfs_write(struct inode *ecryptfs_inode, char *data, loff_t offset,
 		   size_t size)
 {
 	struct page *ecryptfs_page;
 	struct ecryptfs_crypt_stat *crypt_stat;
-	struct inode *ecryptfs_inode = ecryptfs_file->f_dentry->d_inode;
 	char *ecryptfs_page_virt;
 	loff_t ecryptfs_file_size = i_size_read(ecryptfs_inode);
 	loff_t data_offset = 0;

From 4f0447b8184acb1d21b0fd71683d72ef2b83167b Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 21 May 2010 11:19:18 -0400
Subject: [PATCH 2725/3638] get rid of home-grown mutex in cris eeprom.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/cris/arch-v10/drivers/eeprom.c | 27 ++++++++-------------------
 1 file changed, 8 insertions(+), 19 deletions(-)

diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c
index 1f2ae909d3e..b04b22ba00d 100644
--- a/arch/cris/arch-v10/drivers/eeprom.c
+++ b/arch/cris/arch-v10/drivers/eeprom.c
@@ -73,8 +73,7 @@ struct eeprom_type
   int adapt_state; /* 1 = To high , 0 = Even, -1 = To low */
   
   /* this one is to keep the read/write operations atomic */
-  wait_queue_head_t wait_q;
-  volatile int busy;
+  struct mutex lock;
   int retry_cnt_addr; /* Used to keep track of number of retries for
                          adaptive timing adjustments */
   int retry_cnt_read;
@@ -115,8 +114,7 @@ const struct file_operations eeprom_fops =
 
 int __init eeprom_init(void)
 {
-  init_waitqueue_head(&eeprom.wait_q);
-  eeprom.busy = 0;
+  mutex_init(&eeprom.lock);
 
 #ifdef CONFIG_ETRAX_I2C_EEPROM_PROBE
 #define EETEXT "Found"
@@ -461,12 +459,9 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
     return -EFAULT;
   }
   
-  wait_event_interruptible(eeprom.wait_q, !eeprom.busy);
-  if (signal_pending(current))
+  if (mutex_lock_interruptible(&eeprom.lock))
     return -EINTR;
 
-  eeprom.busy++;
-
   page = (unsigned char) (p >> 8);
   
   if(!eeprom_address(p))
@@ -476,8 +471,7 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
     i2c_stop();
     
     /* don't forget to wake them up */
-    eeprom.busy--;
-    wake_up_interruptible(&eeprom.wait_q);  
+    mutex_unlock(&eeprom.lock);
     return -EFAULT;
   }
 
@@ -504,8 +498,7 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
     file->f_pos += read;
   }
 
-  eeprom.busy--;
-  wake_up_interruptible(&eeprom.wait_q);
+  mutex_unlock(&eeprom.lock);
   return read;
 }
 
@@ -534,11 +527,9 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count,
     return -EFAULT;
   }
 
-  wait_event_interruptible(eeprom.wait_q, !eeprom.busy);
   /* bail out if we get interrupted */
-  if (signal_pending(current))
+  if (mutex_lock_interruptible(&eeprom.lock))
     return -EINTR;
-  eeprom.busy++;
   for(i = 0; (i < EEPROM_RETRIES) && (restart > 0); i++)
   {
     restart = 0;
@@ -556,8 +547,7 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count,
         i2c_stop();
         
         /* don't forget to wake them up */
-        eeprom.busy--;
-        wake_up_interruptible(&eeprom.wait_q);
+        mutex_unlock(&eeprom.lock);
         return -EFAULT;
       }
 #ifdef EEPROM_ADAPTIVE_TIMING      
@@ -669,8 +659,7 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count,
     } /* while */
   } /* for  */
 
-  eeprom.busy--;
-  wake_up_interruptible(&eeprom.wait_q);
+  mutex_unlock(&eeprom.lock);
   if (written == 0 && file->f_pos >= eeprom.size){
     return -ENOSPC;
   }

From 82f3952c02add60b15eea9151d4d99b6b82066c6 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 21 May 2010 11:26:35 -0400
Subject: [PATCH 2726/3638] fix handling of offsets in cris eeprom.c, get rid
 of fake on-stack files

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/cris/arch-v10/drivers/eeprom.c | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c
index b04b22ba00d..c3405507a3d 100644
--- a/arch/cris/arch-v10/drivers/eeprom.c
+++ b/arch/cris/arch-v10/drivers/eeprom.c
@@ -437,10 +437,7 @@ static loff_t eeprom_lseek(struct file * file, loff_t offset, int orig)
 
 static int eeprom_read_buf(loff_t addr, char * buf, int count)
 {
-  struct file f;
-
-  f.f_pos = addr;
-  return eeprom_read(&f, buf, count, &addr);
+  return eeprom_read(NULL, buf, count, &addr);
 }
 
 
@@ -450,7 +447,7 @@ static int eeprom_read_buf(loff_t addr, char * buf, int count)
 static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t *off)
 {
   int read=0;
-  unsigned long p = file->f_pos;
+  unsigned long p = *off;
 
   unsigned char page;
 
@@ -495,7 +492,7 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
   
   if(read > 0)
   {
-    file->f_pos += read;
+    *off += read;
   }
 
   mutex_unlock(&eeprom.lock);
@@ -506,11 +503,7 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
 
 static int eeprom_write_buf(loff_t addr, const char * buf, int count)
 {
-  struct file f;
-
-  f.f_pos = addr;
-  
-  return eeprom_write(&f, buf, count, &addr);
+  return eeprom_write(NULL, buf, count, &addr);
 }
 
 
@@ -534,7 +527,7 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count,
   {
     restart = 0;
     written = 0;
-    p = file->f_pos;
+    p = *off;
    
     
     while( (written < count) && (p < eeprom.size))
@@ -660,10 +653,10 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count,
   } /* for  */
 
   mutex_unlock(&eeprom.lock);
-  if (written == 0 && file->f_pos >= eeprom.size){
+  if (written == 0 && p >= eeprom.size){
     return -ENOSPC;
   }
-  file->f_pos += written;
+  *off = p;
   return written;
 }
 

From 240ed68eb567d80dd6bab739341999a5ab0ad55d Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 21 May 2010 14:57:25 -0700
Subject: [PATCH 2727/3638] ceph: reuse mon subscribe message instead of
 allocated anew

Use the same message, allocated during startup.  No need to reallocate a
new one each time around (and potentially ENOMEM).

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mon_client.c | 22 +++++++++++++---------
 fs/ceph/mon_client.h |  2 +-
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index 12d94f24ee9..f6510a476e7 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -188,16 +188,12 @@ static void __send_subscribe(struct ceph_mon_client *monc)
 	     monc->want_next_osdmap);
 	if ((__sub_expired(monc) && !monc->sub_sent) ||
 	    monc->want_next_osdmap == 1) {
-		struct ceph_msg *msg;
+		struct ceph_msg *msg = monc->m_subscribe;
 		struct ceph_mon_subscribe_item *i;
 		void *p, *end;
 
-		msg = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, GFP_NOFS);
-		if (!msg)
-			return;
-
 		p = msg->front.iov_base;
-		end = p + msg->front.iov_len;
+		end = p + msg->front_max;
 
 		dout("__send_subscribe to 'mdsmap' %u+\n",
 		     (unsigned)monc->have_mdsmap);
@@ -227,7 +223,8 @@ static void __send_subscribe(struct ceph_mon_client *monc)
 
 		msg->front.iov_len = p - msg->front.iov_base;
 		msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
-		ceph_con_send(monc->con, msg);
+		ceph_con_revoke(monc->con, msg);
+		ceph_con_send(monc->con, ceph_msg_get(msg));
 
 		monc->sub_sent = jiffies | 1;  /* never 0 */
 	}
@@ -631,7 +628,7 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 		CEPH_ENTITY_TYPE_AUTH | CEPH_ENTITY_TYPE_MON |
 		CEPH_ENTITY_TYPE_OSD | CEPH_ENTITY_TYPE_MDS;
 
-	/* msg pools */
+	/* msgs */
 	err = -ENOMEM;
 	monc->m_subscribe_ack = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE_ACK,
 				     sizeof(struct ceph_mon_subscribe_ack),
@@ -639,9 +636,13 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 	if (!monc->m_subscribe_ack)
 		goto out_monmap;
 
+	monc->m_subscribe = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, GFP_NOFS);
+	if (!monc->m_subscribe)
+		goto out_subscribe_ack;
+
 	monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, GFP_NOFS);
 	if (!monc->m_auth_reply)
-		goto out_subscribe_ack;
+		goto out_subscribe;
 
 	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, GFP_NOFS);
 	monc->pending_auth = 0;
@@ -665,6 +666,8 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 
 out_auth_reply:
 	ceph_msg_put(monc->m_auth_reply);
+out_subscribe:
+	ceph_msg_put(monc->m_subscribe);
 out_subscribe_ack:
 	ceph_msg_put(monc->m_subscribe_ack);
 out_monmap:
@@ -691,6 +694,7 @@ void ceph_monc_stop(struct ceph_mon_client *monc)
 
 	ceph_msg_put(monc->m_auth);
 	ceph_msg_put(monc->m_auth_reply);
+	ceph_msg_put(monc->m_subscribe);
 	ceph_msg_put(monc->m_subscribe_ack);
 
 	kfree(monc->monmap);
diff --git a/fs/ceph/mon_client.h b/fs/ceph/mon_client.h
index 76887785a4d..174d794321d 100644
--- a/fs/ceph/mon_client.h
+++ b/fs/ceph/mon_client.h
@@ -63,7 +63,7 @@ struct ceph_mon_client {
 	struct delayed_work delayed_work;
 
 	struct ceph_auth_client *auth;
-	struct ceph_msg *m_auth, *m_auth_reply, *m_subscribe_ack;
+	struct ceph_msg *m_auth, *m_auth_reply, *m_subscribe, *m_subscribe_ack;
 	int pending_auth;
 
 	bool hunting;

From 34a18d6fe5430184e4ca96eeb074ee671d89fe7b Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Fri, 21 May 2010 19:40:02 -0400
Subject: [PATCH 2728/3638] ACPI: delete unused c-state promotion/demotion data
 strucutures

These were used before cpuidle by the native ACPI idle driver,
which tracked promotion and demotion between states.

The code was referenced by CONFIG_ACPI_PROCFS
for /proc/acpi/processor/*/power,
but as we no longer do promotion/demotion, that
reference has been a NOP since the transition.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/processor_idle.c | 14 ++------------
 include/acpi/processor.h      | 13 -------------
 2 files changed, 2 insertions(+), 25 deletions(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 5939e7f7d8e..63a3d4b8c23 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -727,19 +727,9 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
 			break;
 		}
 
-		if (pr->power.states[i].promotion.state)
-			seq_printf(seq, "promotion[C%zd] ",
-				   (pr->power.states[i].promotion.state -
-				    pr->power.states));
-		else
-			seq_puts(seq, "promotion[--] ");
+		seq_puts(seq, "promotion[--] ");
 
-		if (pr->power.states[i].demotion.state)
-			seq_printf(seq, "demotion[C%zd] ",
-				   (pr->power.states[i].demotion.state -
-				    pr->power.states));
-		else
-			seq_puts(seq, "demotion[--] ");
+		seq_puts(seq, "demotion[--] ");
 
 		seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n",
 			   pr->power.states[i].latency,
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 86825ddbe14..da565a48240 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -52,17 +52,6 @@ struct acpi_power_register {
 	u64 address;
 } __attribute__ ((packed));
 
-struct acpi_processor_cx_policy {
-	u32 count;
-	struct acpi_processor_cx *state;
-	struct {
-		u32 time;
-		u32 ticks;
-		u32 count;
-		u32 bm;
-	} threshold;
-};
-
 struct acpi_processor_cx {
 	u8 valid;
 	u8 type;
@@ -74,8 +63,6 @@ struct acpi_processor_cx {
 	u32 power;
 	u32 usage;
 	u64 time;
-	struct acpi_processor_cx_policy promotion;
-	struct acpi_processor_cx_policy demotion;
 	char desc[ACPI_CX_DESC_LEN];
 };
 

From 2faa4cf76e7d229016240b79b50a43d81f458323 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@redhat.com>
Date: Fri, 21 May 2010 20:16:50 -0700
Subject: [PATCH 2729/3638] linux/elfcore.h: hide kernel functions

The declarations for elf_core_extra_phdrs() et al got added on the
wrong side of #ifdef __KERNEL__ in linux/elfcore.h so they leak into
the user header copy and we get a warning at build time about it.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/elfcore.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index e687bc3ba4d..394a3e0e4a6 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -150,8 +150,6 @@ static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregse
 }
 #endif
 
-#endif /* __KERNEL__ */
-
 /*
  * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
  * extra segments containing the gate DSO contents.  Dumping its
@@ -168,4 +166,6 @@ extern int
 elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit);
 extern size_t elf_core_extra_data_size(void);
 
+#endif /* __KERNEL__ */
+
 #endif /* _LINUX_ELFCORE_H */

From f4b87dee923342505e1ddba8d34ce9de33e75050 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 21 May 2010 12:44:47 -0700
Subject: [PATCH 2730/3638] fbmem: avoid printk format warning with 32-bit
 resources

Fix printk formats:

  drivers/video/fbmem.c: In function 'fb_do_apertures_overlap':
  drivers/video/fbmem.c:1494: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'resource_size_t'
  drivers/video/fbmem.c:1494: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'resource_size_t'
  drivers/video/fbmem.c:1494: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'resource_size_t'
  drivers/video/fbmem.c:1494: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'resource_size_t'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/fbmem.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index e08b7b5cb32..731fce64df9 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1491,7 +1491,10 @@ static bool fb_do_apertures_overlap(struct apertures_struct *gena,
 		for (j = 0; j < gena->count; ++j) {
 			struct aperture *g = &gena->ranges[j];
 			printk(KERN_DEBUG "checking generic (%llx %llx) vs hw (%llx %llx)\n",
-				g->base, g->size, h->base, h->size);
+				(unsigned long long)g->base,
+				(unsigned long long)g->size,
+				(unsigned long long)h->base,
+				(unsigned long long)h->size);
 			if (apertures_overlap(g, h))
 				return true;
 		}

From cb6dc512b745292eaf123fedf437c211e27fb680 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:12:59 -0700
Subject: [PATCH 2731/3638] arch/powerpc: Move dma_mask from of_device into
 pdev_archdata

By moving dma_mask into pdev_archdata, and adding archdata to
struct of_device, it makes it possible to substitute of_device
with struct platform_device, which is a stepping stone to
removing the of_platform bus entirely.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 arch/powerpc/include/asm/device.h    | 1 +
 arch/powerpc/include/asm/of_device.h | 2 +-
 arch/powerpc/kernel/of_device.c      | 2 +-
 arch/powerpc/kernel/of_platform.c    | 2 +-
 drivers/macintosh/macio_asic.c       | 4 ++--
 sound/aoa/soundbus/i2sbus/core.c     | 4 ++--
 6 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index f23f8d8bd68..a3954e4fcbe 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -28,6 +28,7 @@ struct dev_archdata {
 };
 
 struct pdev_archdata {
+	u64 dma_mask;
 };
 
 #endif /* _ASM_POWERPC_DEVICE_H */
diff --git a/arch/powerpc/include/asm/of_device.h b/arch/powerpc/include/asm/of_device.h
index 8b26f96b9f9..444e97e2982 100644
--- a/arch/powerpc/include/asm/of_device.h
+++ b/arch/powerpc/include/asm/of_device.h
@@ -12,8 +12,8 @@
  */
 struct of_device
 {
-	u64			dma_mask;	/* DMA mask */
 	struct device		dev;		/* Generic device interface */
+	struct pdev_archdata	archdata;
 };
 
 extern struct of_device *of_device_alloc(struct device_node *np,
diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c
index 20b3474b6f6..df78e0236a0 100644
--- a/arch/powerpc/kernel/of_device.c
+++ b/arch/powerpc/kernel/of_device.c
@@ -70,7 +70,7 @@ struct of_device *of_device_alloc(struct device_node *np,
 		return NULL;
 
 	dev->dev.of_node = of_node_get(np);
-	dev->dev.dma_mask = &dev->dma_mask;
+	dev->dev.dma_mask = &dev->archdata.dma_mask;
 	dev->dev.parent = parent;
 	dev->dev.release = of_release_dev;
 
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 1c747c47441..21885346651 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -74,7 +74,7 @@ struct of_device* of_platform_device_create(struct device_node *np,
 	if (!dev)
 		return NULL;
 
-	dev->dma_mask = 0xffffffffUL;
+	dev->archdata.dma_mask = 0xffffffffUL;
 	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 
 	dev->dev.bus = &of_platform_bus_type;
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 67fe13ffe90..48a5f040686 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -374,8 +374,8 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
 	dev->bus = &chip->lbus;
 	dev->media_bay = in_bay;
 	dev->ofdev.dev.of_node = np;
-	dev->ofdev.dma_mask = 0xffffffffUL;
-	dev->ofdev.dev.dma_mask = &dev->ofdev.dma_mask;
+	dev->ofdev.archdata.dma_mask = 0xffffffffUL;
+	dev->ofdev.dev.dma_mask = &dev->ofdev.archdata.dma_mask;
 	dev->ofdev.dev.parent = parent;
 	dev->ofdev.dev.bus = &macio_bus_type;
 	dev->ofdev.dev.release = macio_release_dev;
diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 7672b4d145a..67893372173 100644
--- a/sound/aoa/soundbus/i2sbus/core.c
+++ b/sound/aoa/soundbus/i2sbus/core.c
@@ -221,9 +221,9 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 
 	mutex_init(&dev->lock);
 	spin_lock_init(&dev->low_lock);
-	dev->sound.ofdev.dma_mask = macio->ofdev.dma_mask;
+	dev->sound.ofdev.archdata.dma_mask = macio->ofdev.archdata.dma_mask;
 	dev->sound.ofdev.dev.of_node = np;
-	dev->sound.ofdev.dev.dma_mask = &dev->sound.ofdev.dma_mask;
+	dev->sound.ofdev.dev.dma_mask = &dev->sound.ofdev.archdata.dma_mask;
 	dev->sound.ofdev.dev.parent = &macio->ofdev.dev;
 	dev->sound.ofdev.dev.release = i2sbus_release_dev;
 	dev->sound.attach_codec = i2sbus_attach_codec;

From 173b3a7a059a6998a6c0733710818c473cc0de4c Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:13:00 -0700
Subject: [PATCH 2732/3638] arch/microblaze: Move dma_mask from of_device into
 pdev_archdata

By moving dma_mask into pdev_archdata, and adding archdata to
struct of_device, it makes it possible to substitute of_device
with struct platform_device, which is a stepping stone to
removing the of_platform bus entirely.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 arch/microblaze/include/asm/device.h    | 1 +
 arch/microblaze/include/asm/of_device.h | 2 +-
 arch/microblaze/kernel/of_device.c      | 2 +-
 arch/microblaze/kernel/of_platform.c    | 2 +-
 4 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/microblaze/include/asm/device.h b/arch/microblaze/include/asm/device.h
index 15b0058aa7f..123b2fe72d0 100644
--- a/arch/microblaze/include/asm/device.h
+++ b/arch/microblaze/include/asm/device.h
@@ -18,6 +18,7 @@ struct dev_archdata {
 };
 
 struct pdev_archdata {
+	u64 dma_mask;
 };
 
 #endif /* _ASM_MICROBLAZE_DEVICE_H */
diff --git a/arch/microblaze/include/asm/of_device.h b/arch/microblaze/include/asm/of_device.h
index ab25a40b481..73cb9804098 100644
--- a/arch/microblaze/include/asm/of_device.h
+++ b/arch/microblaze/include/asm/of_device.h
@@ -21,8 +21,8 @@
  * probed using OF properties.
  */
 struct of_device {
-	u64			dma_mask; /* DMA mask */
 	struct device		dev; /* Generic device interface */
+	struct pdev_archdata	archdata;
 };
 
 extern ssize_t of_device_get_modalias(struct of_device *ofdev,
diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c
index ac7e6e10d0a..b372787886e 100644
--- a/arch/microblaze/kernel/of_device.c
+++ b/arch/microblaze/kernel/of_device.c
@@ -50,7 +50,7 @@ struct of_device *of_device_alloc(struct device_node *np,
 		return NULL;
 
 	dev->dev.of_node = of_node_get(np);
-	dev->dev.dma_mask = &dev->dma_mask;
+	dev->dev.dma_mask = &dev->archdata.dma_mask;
 	dev->dev.parent = parent;
 	dev->dev.release = of_release_dev;
 
diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c
index 46a1e105a6b..ccf6f4257f4 100644
--- a/arch/microblaze/kernel/of_platform.c
+++ b/arch/microblaze/kernel/of_platform.c
@@ -47,7 +47,7 @@ struct of_device *of_platform_device_create(struct device_node *np,
 	if (!dev)
 		return NULL;
 
-	dev->dma_mask = 0xffffffffUL;
+	dev->archdata.dma_mask = 0xffffffffUL;
 	dev->dev.bus = &of_platform_bus_type;
 
 	/* We do not fill the DMA ops for platform devices by default.

From 597b9d1e44e9ba69f2454a5318bbe7a6d5e6930a Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:13:01 -0700
Subject: [PATCH 2733/3638] drivercore: Add of_match_table to the common device
 drivers

OF-style matching can be available to any device, on any type of bus.
This patch allows any driver to provide an OF match table when CONFIG_OF
is enabled so that drivers can be bound against devices described in
the device tree.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 arch/powerpc/kernel/ibmebus.c  | 5 ++++-
 drivers/macintosh/macio_asic.c | 5 ++---
 drivers/of/platform.c          | 7 ++++---
 include/linux/device.h         | 4 ++++
 4 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index a9f31631a29..355257bb149 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -201,8 +201,11 @@ static int ibmebus_create_devices(const struct of_device_id *matches)
 
 int ibmebus_register_driver(struct of_platform_driver *drv)
 {
+	if (!drv->driver.of_match_table)
+		drv->driver.of_match_table = drv->match_table;
+
 	/* If the driver uses devices that ibmebus doesn't know, add them */
-	ibmebus_create_devices(drv->match_table);
+	ibmebus_create_devices(drv->driver.of_match_table);
 
 	return of_register_driver(drv, &ibmebus_bus_type);
 }
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 48a5f040686..e3ba1d8001a 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -40,8 +40,7 @@ static struct macio_chip      *macio_on_hold;
 static int macio_bus_match(struct device *dev, struct device_driver *drv) 
 {
 	struct macio_dev * macio_dev = to_macio_device(dev);
-	struct macio_driver * macio_drv = to_macio_driver(drv);
-	const struct of_device_id * matches = macio_drv->match_table;
+	const struct of_device_id * matches = drv->of_match_table;
 
 	if (!matches) 
 		return 0;
@@ -84,7 +83,7 @@ static int macio_device_probe(struct device *dev)
 
 	macio_dev_get(macio_dev);
 
-	match = of_match_device(drv->match_table, &macio_dev->ofdev);
+	match = of_match_device(drv->driver.of_match_table, &macio_dev->ofdev);
 	if (match)
 		error = drv->probe(macio_dev, match);
 	if (error)
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index d58ade170c4..9fd7f7d0a0d 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -22,8 +22,7 @@ extern struct device_attribute of_platform_device_attrs[];
 static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct of_device *of_dev = to_of_device(dev);
-	struct of_platform_driver *of_drv = to_of_platform_driver(drv);
-	const struct of_device_id *matches = of_drv->match_table;
+	const struct of_device_id *matches = drv->of_match_table;
 
 	if (!matches)
 		return 0;
@@ -46,7 +45,7 @@ static int of_platform_device_probe(struct device *dev)
 
 	of_dev_get(of_dev);
 
-	match = of_match_device(drv->match_table, of_dev);
+	match = of_match_device(drv->driver.of_match_table, of_dev);
 	if (match)
 		error = drv->probe(of_dev, match);
 	if (error)
@@ -391,6 +390,8 @@ int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
 		drv->driver.name = drv->name;
 	if (!drv->driver.owner)
 		drv->driver.owner = drv->owner;
+	if (!drv->driver.of_match_table)
+		drv->driver.of_match_table = drv->match_table;
 	drv->driver.bus = bus;
 
 	/* register with core */
diff --git a/include/linux/device.h b/include/linux/device.h
index 7a968bdb02e..cd7534cc42a 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -129,6 +129,10 @@ struct device_driver {
 
 	bool suppress_bind_attrs;	/* disables bind/unbind via sysfs */
 
+#if defined(CONFIG_OF)
+	const struct of_device_id	*of_match_table;
+#endif
+
 	int (*probe) (struct device *dev);
 	int (*remove) (struct device *dev);
 	void (*shutdown) (struct device *dev);

From 4018294b53d1dae026880e45f174c1cc63b5d435 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:13:02 -0700
Subject: [PATCH 2734/3638] of: Remove duplicate fields from of_platform_driver

.name, .match_table and .owner are duplicated in both of_platform_driver
and device_driver.  This patch is a removes the extra copies from struct
of_platform_driver and converts all users to the device_driver members.

This patch is a pretty mechanical change.  The usage model doesn't change
and if any drivers have been missed, or if anything has been fixed up
incorrectly, then it will fail with a compile time error, and the fixup
will be trivial.  This patch looks big and scary because it touches so
many files, but it should be pretty safe.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
---
 arch/powerpc/kernel/ibmebus.c                 |  3 --
 arch/powerpc/kernel/of_platform.c             |  3 +-
 arch/powerpc/platforms/52xx/mpc52xx_gpio.c    | 14 ++++++---
 arch/powerpc/platforms/52xx/mpc52xx_gpt.c     |  7 +++--
 arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c |  8 +++--
 arch/powerpc/platforms/82xx/ep8248e.c         |  3 +-
 arch/powerpc/platforms/83xx/suspend.c         |  7 +++--
 arch/powerpc/platforms/cell/axon_msi.c        |  7 +++--
 arch/powerpc/platforms/pasemi/gpio_mdio.c     |  7 +++--
 arch/powerpc/sysdev/axonram.c                 |  8 ++---
 arch/powerpc/sysdev/bestcomm/bestcomm.c       | 10 +++----
 arch/powerpc/sysdev/fsl_msi.c                 |  7 +++--
 arch/powerpc/sysdev/fsl_pmc.c                 |  7 +++--
 arch/powerpc/sysdev/fsl_rio.c                 |  7 +++--
 arch/powerpc/sysdev/pmi.c                     |  7 +++--
 arch/powerpc/sysdev/qe_lib/qe.c               |  7 +++--
 arch/sparc/include/asm/parport.h              |  7 +++--
 arch/sparc/kernel/apc.c                       |  7 +++--
 arch/sparc/kernel/auxio_64.c                  |  7 +++--
 arch/sparc/kernel/central.c                   | 14 +++++----
 arch/sparc/kernel/chmc.c                      |  7 +++--
 arch/sparc/kernel/pci_fire.c                  |  7 +++--
 arch/sparc/kernel/pci_psycho.c                |  7 +++--
 arch/sparc/kernel/pci_sabre.c                 |  7 +++--
 arch/sparc/kernel/pci_schizo.c                |  7 +++--
 arch/sparc/kernel/pci_sun4v.c                 |  7 +++--
 arch/sparc/kernel/pmc.c                       |  7 +++--
 arch/sparc/kernel/power.c                     |  7 +++--
 arch/sparc/kernel/time_32.c                   |  7 +++--
 arch/sparc/kernel/time_64.c                   | 21 +++++++------
 drivers/ata/pata_mpc52xx.c                    |  4 +--
 drivers/ata/pata_of_platform.c                |  7 +++--
 drivers/ata/sata_fsl.c                        |  7 +++--
 drivers/atm/fore200e.c                        |  7 +++--
 drivers/block/xsysace.c                       |  5 ++--
 drivers/char/hw_random/n2-drv.c               |  7 +++--
 drivers/char/hw_random/pasemi-rng.c           |  7 +++--
 drivers/char/ipmi/ipmi_si_intf.c              |  7 +++--
 drivers/char/xilinx_hwicap/xilinx_hwicap.c    |  5 ++--
 drivers/crypto/amcc/crypto4xx_core.c          |  7 +++--
 drivers/crypto/talitos.c                      |  7 +++--
 drivers/dma/fsldma.c                          | 11 ++++---
 drivers/dma/ppc4xx/adma.c                     |  2 +-
 drivers/edac/mpc85xx_edac.c                   | 30 ++++++++-----------
 drivers/edac/ppc4xx_edac.c                    | 10 +++----
 drivers/hwmon/ultra45_env.c                   |  7 +++--
 drivers/i2c/busses/i2c-cpm.c                  | 10 +++----
 drivers/i2c/busses/i2c-ibm_iic.c              |  7 +++--
 drivers/i2c/busses/i2c-mpc.c                  |  8 ++---
 drivers/infiniband/hw/ehca/ehca_main.c        |  7 +++--
 drivers/input/misc/sparcspkr.c                | 14 ++++++---
 drivers/input/serio/i8042-sparcio.h           |  7 +++--
 drivers/input/serio/xilinx_ps2.c              |  7 +++--
 drivers/leds/leds-gpio.c                      |  2 +-
 drivers/macintosh/smu.c                       |  7 +++--
 drivers/macintosh/therm_pm72.c                |  7 +++--
 drivers/macintosh/therm_windtunnel.c          |  7 +++--
 drivers/mmc/host/sdhci-of-core.c              |  7 +++--
 drivers/mtd/maps/physmap_of.c                 |  7 +++--
 drivers/mtd/maps/sun_uflash.c                 |  7 +++--
 drivers/mtd/nand/fsl_elbc_nand.c              |  5 ++--
 drivers/mtd/nand/fsl_upm.c                    |  7 +++--
 drivers/mtd/nand/ndfc.c                       |  5 ++--
 drivers/mtd/nand/pasemi_nand.c                |  7 +++--
 drivers/mtd/nand/socrates_nand.c              |  7 +++--
 drivers/net/can/mscan/mpc5xxx_can.c           |  8 +++--
 drivers/net/can/sja1000/sja1000_of_platform.c |  8 +++--
 drivers/net/ehea/ehea_main.c                  |  7 +++--
 drivers/net/fec_mpc52xx.c                     |  8 +++--
 drivers/net/fec_mpc52xx_phy.c                 |  7 +++--
 drivers/net/fs_enet/fs_enet-main.c            |  7 +++--
 drivers/net/fs_enet/mii-bitbang.c             |  7 +++--
 drivers/net/fs_enet/mii-fec.c                 |  7 +++--
 drivers/net/fsl_pq_mdio.c                     |  7 +++--
 drivers/net/gianfar.c                         | 10 ++++---
 drivers/net/ibm_newemac/core.c                |  8 +++--
 drivers/net/ibm_newemac/mal.c                 |  8 +++--
 drivers/net/ibm_newemac/rgmii.c               |  8 +++--
 drivers/net/ibm_newemac/tah.c                 |  8 +++--
 drivers/net/ibm_newemac/zmii.c                |  8 +++--
 drivers/net/ll_temac_main.c                   |  2 +-
 drivers/net/myri_sbus.c                       |  7 +++--
 drivers/net/niu.c                             |  7 +++--
 drivers/net/phy/mdio-gpio.c                   |  7 +++--
 drivers/net/sunbmac.c                         |  7 +++--
 drivers/net/sunhme.c                          |  7 +++--
 drivers/net/sunlance.c                        |  7 +++--
 drivers/net/sunqe.c                           |  7 +++--
 drivers/net/ucc_geth.c                        |  7 +++--
 drivers/net/xilinx_emaclite.c                 |  7 +++--
 drivers/of/platform.c                         |  7 -----
 drivers/parport/parport_sunbpp.c              |  7 +++--
 drivers/pcmcia/electra_cf.c                   |  7 +++--
 drivers/pcmcia/m8xx_pcmcia.c                  |  7 +++--
 drivers/sbus/char/bbc_i2c.c                   |  7 +++--
 drivers/sbus/char/display7seg.c               |  7 +++--
 drivers/sbus/char/envctrl.c                   |  7 +++--
 drivers/sbus/char/flash.c                     |  7 +++--
 drivers/sbus/char/uctrl.c                     |  7 +++--
 drivers/scsi/qlogicpti.c                      |  7 +++--
 drivers/scsi/sun_esp.c                        |  7 +++--
 drivers/serial/apbuart.c                      |  8 ++---
 drivers/serial/cpm_uart/cpm_uart_core.c       |  7 +++--
 drivers/serial/mpc52xx_uart.c                 |  7 +++--
 drivers/serial/of_serial.c                    |  8 +++--
 drivers/serial/sunhv.c                        |  7 +++--
 drivers/serial/sunsab.c                       |  7 +++--
 drivers/serial/sunsu.c                        |  7 +++--
 drivers/serial/sunzilog.c                     |  7 +++--
 drivers/serial/uartlite.c                     |  5 ++--
 drivers/serial/ucc_uart.c                     |  8 +++--
 drivers/spi/mpc52xx_psc_spi.c                 |  4 +--
 drivers/spi/mpc52xx_spi.c                     |  8 +++--
 drivers/spi/spi_mpc8xxx.c                     |  7 +++--
 drivers/spi/spi_ppc4xx.c                      |  2 +-
 drivers/spi/xilinx_spi_of.c                   |  2 +-
 drivers/usb/gadget/fsl_qe_udc.c               |  7 +++--
 drivers/usb/host/ehci-ppc-of.c                |  9 +++---
 drivers/usb/host/ehci-xilinx-of.c             |  9 +++---
 drivers/usb/host/fhci-hcd.c                   |  7 +++--
 drivers/usb/host/isp1760-if.c                 |  7 +++--
 drivers/usb/host/ohci-ppc-of.c                | 13 +++-----
 drivers/video/bw2.c                           |  7 +++--
 drivers/video/cg14.c                          |  7 +++--
 drivers/video/cg3.c                           |  7 +++--
 drivers/video/cg6.c                           |  7 +++--
 drivers/video/ffb.c                           |  7 +++--
 drivers/video/fsl-diu-fb.c                    |  8 +++--
 drivers/video/leo.c                           |  7 +++--
 drivers/video/mb862xx/mb862xxfb.c             |  8 +++--
 drivers/video/p9100.c                         |  7 +++--
 drivers/video/platinumfb.c                    |  7 +++--
 drivers/video/sunxvr1000.c                    |  7 +++--
 drivers/video/tcx.c                           |  7 +++--
 drivers/video/xilinxfb.c                      |  5 ++--
 drivers/watchdog/cpwd.c                       |  7 +++--
 drivers/watchdog/gef_wdt.c                    |  8 +++--
 drivers/watchdog/mpc8xxx_wdt.c                |  8 ++---
 drivers/watchdog/riowd.c                      |  7 +++--
 include/linux/of_platform.h                   |  4 ---
 sound/soc/fsl/mpc5200_psc_ac97.c              |  2 +-
 sound/soc/fsl/mpc5200_psc_i2s.c               |  2 +-
 sound/soc/fsl/mpc8610_hpcd.c                  |  8 +++--
 sound/sparc/amd7930.c                         |  7 +++--
 sound/sparc/cs4231.c                          |  7 +++--
 sound/sparc/dbri.c                            |  7 +++--
 146 files changed, 671 insertions(+), 387 deletions(-)

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 355257bb149..21266abfbda 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -201,9 +201,6 @@ static int ibmebus_create_devices(const struct of_device_id *matches)
 
 int ibmebus_register_driver(struct of_platform_driver *drv)
 {
-	if (!drv->driver.of_match_table)
-		drv->driver.of_match_table = drv->match_table;
-
 	/* If the driver uses devices that ibmebus doesn't know, add them */
 	ibmebus_create_devices(drv->driver.of_match_table);
 
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 21885346651..487a98851ba 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -306,10 +306,11 @@ static struct of_device_id of_pci_phb_ids[] = {
 };
 
 static struct of_platform_driver of_pci_phb_driver = {
-	.match_table = of_pci_phb_ids,
 	.probe = of_pci_phb_probe,
 	.driver = {
 		.name = "of-pci",
+		.owner = THIS_MODULE,
+		.of_match_table = of_pci_phb_ids,
 	},
 };
 
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
index 576669fc4fb..ca5305a5bd6 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
@@ -193,8 +193,11 @@ static const struct of_device_id mpc52xx_wkup_gpiochip_match[] = {
 };
 
 static struct of_platform_driver mpc52xx_wkup_gpiochip_driver = {
-	.name = "gpio_wkup",
-	.match_table = mpc52xx_wkup_gpiochip_match,
+	.driver = {
+		.name = "gpio_wkup",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_wkup_gpiochip_match,
+	},
 	.probe = mpc52xx_wkup_gpiochip_probe,
 	.remove = mpc52xx_gpiochip_remove,
 };
@@ -349,8 +352,11 @@ static const struct of_device_id mpc52xx_simple_gpiochip_match[] = {
 };
 
 static struct of_platform_driver mpc52xx_simple_gpiochip_driver = {
-	.name = "gpio",
-	.match_table = mpc52xx_simple_gpiochip_match,
+	.driver = {
+		.name = "gpio",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_simple_gpiochip_match,
+	},
 	.probe = mpc52xx_simple_gpiochip_probe,
 	.remove = mpc52xx_gpiochip_remove,
 };
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index 42c507f9c35..46c93578cbf 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -784,8 +784,11 @@ static const struct of_device_id mpc52xx_gpt_match[] = {
 };
 
 static struct of_platform_driver mpc52xx_gpt_driver = {
-	.name = "mpc52xx-gpt",
-	.match_table = mpc52xx_gpt_match,
+	.driver = {
+		.name = "mpc52xx-gpt",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_gpt_match,
+	},
 	.probe = mpc52xx_gpt_probe,
 	.remove = mpc52xx_gpt_remove,
 };
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index 17b99ba7a8c..e86aec64450 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -537,9 +537,11 @@ static struct of_device_id mpc52xx_lpbfifo_match[] __devinitconst = {
 };
 
 static struct of_platform_driver mpc52xx_lpbfifo_driver = {
-	.owner = THIS_MODULE,
-	.name = "mpc52xx-lpbfifo",
-	.match_table = mpc52xx_lpbfifo_match,
+	.driver = {
+		.name = "mpc52xx-lpbfifo",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_lpbfifo_match,
+	},
 	.probe = mpc52xx_lpbfifo_probe,
 	.remove = __devexit_p(mpc52xx_lpbfifo_remove),
 };
diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c
index 0176ae8249d..9f2e52b36f9 100644
--- a/arch/powerpc/platforms/82xx/ep8248e.c
+++ b/arch/powerpc/platforms/82xx/ep8248e.c
@@ -170,8 +170,9 @@ static const struct of_device_id ep8248e_mdio_match[] = {
 static struct of_platform_driver ep8248e_mdio_driver = {
 	.driver = {
 		.name = "ep8248e-mdio-bitbang",
+		.owner = THIS_MODULE,
+		.of_match_table = ep8248e_mdio_match,
 	},
-	.match_table = ep8248e_mdio_match,
 	.probe = ep8248e_mdio_probe,
 	.remove = ep8248e_mdio_remove,
 };
diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c
index aa0b764b1cc..ebe6c353720 100644
--- a/arch/powerpc/platforms/83xx/suspend.c
+++ b/arch/powerpc/platforms/83xx/suspend.c
@@ -423,8 +423,11 @@ static struct of_device_id pmc_match[] = {
 };
 
 static struct of_platform_driver pmc_driver = {
-	.name = "mpc83xx-pmc",
-	.match_table = pmc_match,
+	.driver = {
+		.name = "mpc83xx-pmc",
+		.owner = THIS_MODULE,
+		.of_match_table = pmc_match,
+	},
 	.probe = pmc_probe,
 	.remove = pmc_remove
 };
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 177a4f1369b..6257e537861 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -447,11 +447,12 @@ static const struct of_device_id axon_msi_device_id[] = {
 };
 
 static struct of_platform_driver axon_msi_driver = {
-	.match_table	= axon_msi_device_id,
 	.probe		= axon_msi_probe,
 	.shutdown	= axon_msi_shutdown,
-	.driver		= {
-		.name	= "axon-msi"
+	.driver = {
+		.name = "axon-msi",
+		.owner = THIS_MODULE,
+		.of_match_table = axon_msi_device_id,
 	},
 };
 
diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c
index c44e1b3b91d..627ee089e75 100644
--- a/arch/powerpc/platforms/pasemi/gpio_mdio.c
+++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c
@@ -301,11 +301,12 @@ MODULE_DEVICE_TABLE(of, gpio_mdio_match);
 
 static struct of_platform_driver gpio_mdio_driver =
 {
-	.match_table	= gpio_mdio_match,
 	.probe		= gpio_mdio_probe,
 	.remove		= gpio_mdio_remove,
-	.driver		= {
-		.name	= "gpio-mdio-bitbang",
+	.driver = {
+		.name = "gpio-mdio-bitbang",
+		.owner = THIS_MODULE,
+		.of_match_table = gpio_mdio_match,
 	},
 };
 
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
index 88b21fccf0c..402d2212162 100644
--- a/arch/powerpc/sysdev/axonram.c
+++ b/arch/powerpc/sysdev/axonram.c
@@ -327,12 +327,12 @@ static struct of_device_id axon_ram_device_id[] = {
 };
 
 static struct of_platform_driver axon_ram_driver = {
-	.match_table	= axon_ram_device_id,
 	.probe		= axon_ram_probe,
 	.remove		= axon_ram_remove,
-	.driver		= {
-		.owner	= THIS_MODULE,
-		.name	= AXON_RAM_MODULE_NAME,
+	.driver = {
+		.name = AXON_RAM_MODULE_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = axon_ram_device_id,
 	},
 };
 
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c
index d32d5389b67..a7c5c470af1 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.c
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c
@@ -494,14 +494,12 @@ MODULE_DEVICE_TABLE(of, mpc52xx_bcom_of_match);
 
 
 static struct of_platform_driver mpc52xx_bcom_of_platform_driver = {
-	.owner		= THIS_MODULE,
-	.name		= DRIVER_NAME,
-	.match_table	= mpc52xx_bcom_of_match,
 	.probe		= mpc52xx_bcom_probe,
 	.remove		= mpc52xx_bcom_remove,
-	.driver		= {
-		.name	= DRIVER_NAME,
-		.owner	= THIS_MODULE,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_bcom_of_match,
 	},
 };
 
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index 569dae8ea1c..a7be144f587 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -345,8 +345,11 @@ static const struct of_device_id fsl_of_msi_ids[] = {
 };
 
 static struct of_platform_driver fsl_of_msi_driver = {
-	.name = "fsl-msi",
-	.match_table = fsl_of_msi_ids,
+	.driver = {
+		.name = "fsl-msi",
+		.owner = THIS_MODULE,
+		.of_match_table = fsl_of_msi_ids,
+	},
 	.probe = fsl_of_msi_probe,
 };
 
diff --git a/arch/powerpc/sysdev/fsl_pmc.c b/arch/powerpc/sysdev/fsl_pmc.c
index 2ebe817ca72..9082eb921ad 100644
--- a/arch/powerpc/sysdev/fsl_pmc.c
+++ b/arch/powerpc/sysdev/fsl_pmc.c
@@ -76,8 +76,11 @@ static const struct of_device_id pmc_ids[] = {
 };
 
 static struct of_platform_driver pmc_driver = {
-	.driver.name = "fsl-pmc",
-	.match_table = pmc_ids,
+	.driver = {
+		.name = "fsl-pmc",
+		.owner = THIS_MODULE,
+		.of_match_table = pmc_ids,
+	},
 	.probe = pmc_probe,
 };
 
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index a98d5163924..6a1fde0d22b 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1215,8 +1215,11 @@ static const struct of_device_id fsl_of_rio_rpn_ids[] = {
 };
 
 static struct of_platform_driver fsl_of_rio_rpn_driver = {
-	.name = "fsl-of-rio",
-	.match_table = fsl_of_rio_rpn_ids,
+	.driver = {
+		.name = "fsl-of-rio",
+		.owner = THIS_MODULE,
+		.of_match_table = fsl_of_rio_rpn_ids,
+	},
 	.probe = fsl_of_rio_rpn_probe,
 };
 
diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c
index ff758bff1b7..d07137a07d7 100644
--- a/arch/powerpc/sysdev/pmi.c
+++ b/arch/powerpc/sysdev/pmi.c
@@ -206,11 +206,12 @@ static int pmi_of_remove(struct of_device *dev)
 }
 
 static struct of_platform_driver pmi_of_platform_driver = {
-	.match_table	= pmi_match,
 	.probe		= pmi_of_probe,
 	.remove		= pmi_of_remove,
-	.driver		= {
-		.name	= "pmi",
+	.driver = {
+		.name = "pmi",
+		.owner = THIS_MODULE,
+		.of_match_table = pmi_match,
 	},
 };
 
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index 149393c02c3..093e0ae1a94 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -669,8 +669,11 @@ static const struct of_device_id qe_ids[] = {
 };
 
 static struct of_platform_driver qe_driver = {
-	.driver.name = "fsl-qe",
-	.match_table = qe_ids,
+	.driver = {
+		.name = "fsl-qe",
+		.owner = THIS_MODULE,
+		.of_match_table = qe_ids,
+	},
 	.probe = qe_probe,
 	.resume = qe_resume,
 };
diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index 1bb6a41b00f..c333b8d0949 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -232,8 +232,11 @@ static const struct of_device_id ecpp_match[] = {
 };
 
 static struct of_platform_driver ecpp_driver = {
-	.name			= "ecpp",
-	.match_table		= ecpp_match,
+	.driver = {
+		.name = "ecpp",
+		.owner = THIS_MODULE,
+		.of_match_table = ecpp_match,
+	},
 	.probe			= ecpp_probe,
 	.remove			= __devexit_p(ecpp_remove),
 };
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c
index 71ec90b9e31..b27476caa13 100644
--- a/arch/sparc/kernel/apc.c
+++ b/arch/sparc/kernel/apc.c
@@ -174,8 +174,11 @@ static struct of_device_id __initdata apc_match[] = {
 MODULE_DEVICE_TABLE(of, apc_match);
 
 static struct of_platform_driver apc_driver = {
-	.name		= "apc",
-	.match_table	= apc_match,
+	.driver = {
+		.name = "apc",
+		.owner = THIS_MODULE,
+		.of_match_table = apc_match,
+	},
 	.probe		= apc_probe,
 };
 
diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c
index bd8421a2685..ddc84128b3c 100644
--- a/arch/sparc/kernel/auxio_64.c
+++ b/arch/sparc/kernel/auxio_64.c
@@ -132,10 +132,11 @@ static int __devinit auxio_probe(struct of_device *dev, const struct of_device_i
 }
 
 static struct of_platform_driver auxio_driver = {
-	.match_table	= auxio_match,
 	.probe		= auxio_probe,
-	.driver		= {
-		.name	= "auxio",
+	.driver = {
+		.name = "auxio",
+		.owner = THIS_MODULE,
+		.of_match_table = auxio_match,
 	},
 };
 
diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index d533f3d5d48..434335f6582 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -149,10 +149,11 @@ static struct of_device_id __initdata clock_board_match[] = {
 };
 
 static struct of_platform_driver clock_board_driver = {
-	.match_table	= clock_board_match,
 	.probe		= clock_board_probe,
-	.driver		= {
-		.name	= "clock_board",
+	.driver = {
+		.name = "clock_board",
+		.owner = THIS_MODULE,
+		.of_match_table = clock_board_match,
 	},
 };
 
@@ -254,10 +255,11 @@ static struct of_device_id __initdata fhc_match[] = {
 };
 
 static struct of_platform_driver fhc_driver = {
-	.match_table	= fhc_match,
 	.probe		= fhc_probe,
-	.driver		= {
-		.name	= "fhc",
+	.driver = {
+		.name = "fhc",
+		.owner = THIS_MODULE,
+		.of_match_table = fhc_match,
 	},
 };
 
diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c
index 936879639eb..870cb65b3f2 100644
--- a/arch/sparc/kernel/chmc.c
+++ b/arch/sparc/kernel/chmc.c
@@ -811,8 +811,11 @@ static const struct of_device_id us3mc_match[] = {
 MODULE_DEVICE_TABLE(of, us3mc_match);
 
 static struct of_platform_driver us3mc_driver = {
-	.name		= "us3mc",
-	.match_table	= us3mc_match,
+	.driver = {
+		.name = "us3mc",
+		.owner = THIS_MODULE,
+		.of_match_table = us3mc_match,
+	},
 	.probe		= us3mc_probe,
 	.remove		= __devexit_p(us3mc_remove),
 };
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index ff844baa28e..51cfa09e392 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -508,8 +508,11 @@ static struct of_device_id __initdata fire_match[] = {
 };
 
 static struct of_platform_driver fire_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= fire_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = fire_match,
+	},
 	.probe		= fire_probe,
 };
 
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index e675e21c6df..558a7051282 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -602,8 +602,11 @@ static struct of_device_id __initdata psycho_match[] = {
 };
 
 static struct of_platform_driver psycho_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= psycho_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = psycho_match,
+	},
 	.probe		= psycho_probe,
 };
 
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index 5048498daad..6dad8e3b750 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -596,8 +596,11 @@ static struct of_device_id __initdata sabre_match[] = {
 };
 
 static struct of_platform_driver sabre_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= sabre_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = sabre_match,
+	},
 	.probe		= sabre_probe,
 };
 
diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c
index 2f3f9212b06..97a1ae2e1c0 100644
--- a/arch/sparc/kernel/pci_schizo.c
+++ b/arch/sparc/kernel/pci_schizo.c
@@ -1491,8 +1491,11 @@ static struct of_device_id __initdata schizo_match[] = {
 };
 
 static struct of_platform_driver schizo_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= schizo_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = schizo_match,
+	},
 	.probe		= schizo_probe,
 };
 
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 5c11f56cedf..a24af6f7e17 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -1009,8 +1009,11 @@ static struct of_device_id __initdata pci_sun4v_match[] = {
 };
 
 static struct of_platform_driver pci_sun4v_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= pci_sun4v_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = pci_sun4v_match,
+	},
 	.probe		= pci_sun4v_probe,
 };
 
diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c
index 5e4563d86f1..9589d8b9b0c 100644
--- a/arch/sparc/kernel/pmc.c
+++ b/arch/sparc/kernel/pmc.c
@@ -79,8 +79,11 @@ static struct of_device_id __initdata pmc_match[] = {
 MODULE_DEVICE_TABLE(of, pmc_match);
 
 static struct of_platform_driver pmc_driver = {
-	.name		= "pmc",
-	.match_table	= pmc_match,
+	.driver = {
+		.name = "pmc",
+		.owner = THIS_MODULE,
+		.of_match_table = pmc_match,
+	},
 	.probe		= pmc_probe,
 };
 
diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c
index e3f806a7423..168d4cb63f5 100644
--- a/arch/sparc/kernel/power.c
+++ b/arch/sparc/kernel/power.c
@@ -60,10 +60,11 @@ static struct of_device_id __initdata power_match[] = {
 };
 
 static struct of_platform_driver power_driver = {
-	.match_table	= power_match,
 	.probe		= power_probe,
-	.driver		= {
-		.name	= "power",
+	.driver = {
+		.name = "power",
+		.owner = THIS_MODULE,
+		.of_match_table = power_match,
 	},
 };
 
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index e0dbed9503d..217ba275cab 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -185,10 +185,11 @@ static struct of_device_id __initdata clock_match[] = {
 };
 
 static struct of_platform_driver clock_driver = {
-	.match_table	= clock_match,
 	.probe		= clock_probe,
-	.driver		= {
-		.name	= "rtc",
+	.driver = {
+		.name = "rtc",
+		.owner = THIS_MODULE,
+		.of_match_table = clock_match,
 	},
 };
 
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 9099ca09564..21e9fcae066 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -463,10 +463,11 @@ static struct of_device_id __initdata rtc_match[] = {
 };
 
 static struct of_platform_driver rtc_driver = {
-	.match_table	= rtc_match,
 	.probe		= rtc_probe,
-	.driver		= {
-		.name	= "rtc",
+	.driver = {
+		.name = "rtc",
+		.owner = THIS_MODULE,
+		.of_match_table = rtc_match,
 	},
 };
 
@@ -495,10 +496,11 @@ static struct of_device_id __initdata bq4802_match[] = {
 };
 
 static struct of_platform_driver bq4802_driver = {
-	.match_table	= bq4802_match,
 	.probe		= bq4802_probe,
-	.driver		= {
-		.name	= "bq4802",
+	.driver = {
+		.name = "bq4802",
+		.owner = THIS_MODULE,
+		.of_match_table = bq4802_match,
 	},
 };
 
@@ -558,10 +560,11 @@ static struct of_device_id __initdata mostek_match[] = {
 };
 
 static struct of_platform_driver mostek_driver = {
-	.match_table	= mostek_match,
 	.probe		= mostek_probe,
-	.driver		= {
-		.name	= "mostek",
+	.driver = {
+		.name = "mostek",
+		.owner = THIS_MODULE,
+		.of_match_table = mostek_match,
 	},
 };
 
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 4cce719add3..88e6b6008bd 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -884,9 +884,6 @@ static struct of_device_id mpc52xx_ata_of_match[] = {
 
 
 static struct of_platform_driver mpc52xx_ata_of_platform_driver = {
-	.owner		= THIS_MODULE,
-	.name		= DRV_NAME,
-	.match_table	= mpc52xx_ata_of_match,
 	.probe		= mpc52xx_ata_probe,
 	.remove		= mpc52xx_ata_remove,
 #ifdef CONFIG_PM
@@ -896,6 +893,7 @@ static struct of_platform_driver mpc52xx_ata_of_platform_driver = {
 	.driver		= {
 		.name	= DRV_NAME,
 		.owner	= THIS_MODULE,
+		.of_match_table = mpc52xx_ata_of_match,
 	},
 };
 
diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c
index 19da29f011d..5a1b82c08be 100644
--- a/drivers/ata/pata_of_platform.c
+++ b/drivers/ata/pata_of_platform.c
@@ -91,8 +91,11 @@ static struct of_device_id pata_of_platform_match[] = {
 MODULE_DEVICE_TABLE(of, pata_of_platform_match);
 
 static struct of_platform_driver pata_of_platform_driver = {
-	.name		= "pata_of_platform",
-	.match_table	= pata_of_platform_match,
+	.driver = {
+		.name = "pata_of_platform",
+		.owner = THIS_MODULE,
+		.of_match_table = pata_of_platform_match,
+	},
 	.probe		= pata_of_platform_probe,
 	.remove		= __devexit_p(pata_of_platform_remove),
 };
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index e3339e25b15..61c89b54ea2 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1427,8 +1427,11 @@ static struct of_device_id fsl_sata_match[] = {
 MODULE_DEVICE_TABLE(of, fsl_sata_match);
 
 static struct of_platform_driver fsl_sata_driver = {
-	.name		= "fsl-sata",
-	.match_table	= fsl_sata_match,
+	.driver = {
+		.name = "fsl-sata",
+		.owner = THIS_MODULE,
+		.of_match_table = fsl_sata_match,
+	},
 	.probe		= sata_fsl_probe,
 	.remove		= sata_fsl_remove,
 #ifdef CONFIG_PM
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index 593a03a376e..da8f176c051 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -2695,8 +2695,11 @@ static const struct of_device_id fore200e_sba_match[] = {
 MODULE_DEVICE_TABLE(of, fore200e_sba_match);
 
 static struct of_platform_driver fore200e_sba_driver = {
-	.name		= "fore_200e",
-	.match_table	= fore200e_sba_match,
+	.driver = {
+		.name = "fore_200e",
+		.owner = THIS_MODULE,
+		.of_match_table = fore200e_sba_match,
+	},
 	.probe		= fore200e_sba_probe,
 	.remove		= __devexit_p(fore200e_sba_remove),
 };
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 3094909b061..a7b83c0a7eb 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -1237,13 +1237,12 @@ static const struct of_device_id ace_of_match[] __devinitconst = {
 MODULE_DEVICE_TABLE(of, ace_of_match);
 
 static struct of_platform_driver ace_of_driver = {
-	.owner = THIS_MODULE,
-	.name = "xsysace",
-	.match_table = ace_of_match,
 	.probe = ace_of_probe,
 	.remove = __devexit_p(ace_of_remove),
 	.driver = {
 		.name = "xsysace",
+		.owner = THIS_MODULE,
+		.of_match_table = ace_of_match,
 	},
 };
 
diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index 0861d99cd75..0f9cbf1aaf1 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -751,8 +751,11 @@ static const struct of_device_id n2rng_match[] = {
 MODULE_DEVICE_TABLE(of, n2rng_match);
 
 static struct of_platform_driver n2rng_driver = {
-	.name		= "n2rng",
-	.match_table	= n2rng_match,
+	.driver = {
+		.name = "n2rng",
+		.owner = THIS_MODULE,
+		.of_match_table = n2rng_match,
+	},
 	.probe		= n2rng_probe,
 	.remove		= __devexit_p(n2rng_remove),
 };
diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c
index b213855bae6..261ba8f22b8 100644
--- a/drivers/char/hw_random/pasemi-rng.c
+++ b/drivers/char/hw_random/pasemi-rng.c
@@ -140,8 +140,11 @@ static struct of_device_id rng_match[] = {
 };
 
 static struct of_platform_driver rng_driver = {
-	.name		= "pasemi-rng",
-	.match_table	= rng_match,
+	.driver = {
+		.name = "pasemi-rng",
+		.owner = THIS_MODULE,
+		.of_match_table = rng_match,
+	},
 	.probe		= rng_probe,
 	.remove		= rng_remove,
 };
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 2b44a0e1b98..47ffe4a90a9 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2555,8 +2555,11 @@ static struct of_device_id ipmi_match[] =
 };
 
 static struct of_platform_driver ipmi_of_platform_driver = {
-	.name		= "ipmi",
-	.match_table	= ipmi_match,
+	.driver = {
+		.name = "ipmi",
+		.owner = THIS_MODULE,
+		.of_match_table = ipmi_match,
+	},
 	.probe		= ipmi_of_probe,
 	.remove		= __devexit_p(ipmi_of_remove),
 };
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 5a0a31e2029..ed8a9cec2a0 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -812,13 +812,12 @@ static const struct of_device_id __devinitconst hwicap_of_match[] = {
 MODULE_DEVICE_TABLE(of, hwicap_of_match);
 
 static struct of_platform_driver hwicap_of_driver = {
-	.owner = THIS_MODULE,
-	.name = DRIVER_NAME,
-	.match_table = hwicap_of_match,
 	.probe = hwicap_of_probe,
 	.remove = __devexit_p(hwicap_of_remove),
 	.driver = {
 		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = hwicap_of_match,
 	},
 };
 
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 6c4c8b7ce3a..9d65b371de6 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -1281,8 +1281,11 @@ static const struct of_device_id crypto4xx_match[] = {
 };
 
 static struct of_platform_driver crypto4xx_driver = {
-	.name		= "crypto4xx",
-	.match_table	= crypto4xx_match,
+	.driver = {
+		.name = "crypto4xx",
+		.owner = THIS_MODULE,
+		.of_match_table = crypto4xx_match,
+	},
 	.probe		= crypto4xx_probe,
 	.remove		= crypto4xx_remove,
 };
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 5a02f3482db..7e4e42d85fe 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1968,8 +1968,11 @@ static const struct of_device_id talitos_match[] = {
 MODULE_DEVICE_TABLE(of, talitos_match);
 
 static struct of_platform_driver talitos_driver = {
-	.name = "talitos",
-	.match_table = talitos_match,
+	.driver = {
+		.name = "talitos",
+		.owner = THIS_MODULE,
+		.of_match_table = talitos_match,
+	},
 	.probe = talitos_probe,
 	.remove = talitos_remove,
 };
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 0e376eb3741..c3d74697f5a 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1409,10 +1409,13 @@ static const struct of_device_id fsldma_of_ids[] = {
 };
 
 static struct of_platform_driver fsldma_of_driver = {
-	.name		= "fsl-elo-dma",
-	.match_table	= fsldma_of_ids,
-	.probe		= fsldma_of_probe,
-	.remove		= fsldma_of_remove,
+	.driver = {
+		.name = "fsl-elo-dma",
+		.owner = THIS_MODULE,
+		.of_match_table = fsldma_of_ids,
+	},
+	.probe = fsldma_of_probe,
+	.remove = fsldma_of_remove,
 };
 
 /*----------------------------------------------------------------------------*/
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index d44626fa35a..a7b05447e0a 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -4949,12 +4949,12 @@ static const struct of_device_id ppc440spe_adma_of_match[] __devinitconst = {
 MODULE_DEVICE_TABLE(of, ppc440spe_adma_of_match);
 
 static struct of_platform_driver ppc440spe_adma_driver = {
-	.match_table = ppc440spe_adma_of_match,
 	.probe = ppc440spe_adma_probe,
 	.remove = __devexit_p(ppc440spe_adma_remove),
 	.driver = {
 		.name = "PPC440SP(E)-ADMA",
 		.owner = THIS_MODULE,
+		.of_match_table = ppc440spe_adma_of_match,
 	},
 };
 
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 4471647b480..6c1886b497f 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -338,15 +338,13 @@ static struct of_device_id mpc85xx_pci_err_of_match[] = {
 };
 
 static struct of_platform_driver mpc85xx_pci_err_driver = {
-	.owner = THIS_MODULE,
-	.name = "mpc85xx_pci_err",
-	.match_table = mpc85xx_pci_err_of_match,
 	.probe = mpc85xx_pci_err_probe,
 	.remove = __devexit_p(mpc85xx_pci_err_remove),
 	.driver = {
-		   .name = "mpc85xx_pci_err",
-		   .owner = THIS_MODULE,
-		   },
+		.name = "mpc85xx_pci_err",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc85xx_pci_err_of_match,
+	},
 };
 
 #endif				/* CONFIG_PCI */
@@ -654,15 +652,13 @@ static struct of_device_id mpc85xx_l2_err_of_match[] = {
 };
 
 static struct of_platform_driver mpc85xx_l2_err_driver = {
-	.owner = THIS_MODULE,
-	.name = "mpc85xx_l2_err",
-	.match_table = mpc85xx_l2_err_of_match,
 	.probe = mpc85xx_l2_err_probe,
 	.remove = mpc85xx_l2_err_remove,
 	.driver = {
-		   .name = "mpc85xx_l2_err",
-		   .owner = THIS_MODULE,
-		   },
+		.name = "mpc85xx_l2_err",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc85xx_l2_err_of_match,
+	},
 };
 
 /**************************** MC Err device ***************************/
@@ -1131,15 +1127,13 @@ static struct of_device_id mpc85xx_mc_err_of_match[] = {
 };
 
 static struct of_platform_driver mpc85xx_mc_err_driver = {
-	.owner = THIS_MODULE,
-	.name = "mpc85xx_mc_err",
-	.match_table = mpc85xx_mc_err_of_match,
 	.probe = mpc85xx_mc_err_probe,
 	.remove = mpc85xx_mc_err_remove,
 	.driver = {
-		   .name = "mpc85xx_mc_err",
-		   .owner = THIS_MODULE,
-		   },
+		.name = "mpc85xx_mc_err",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc85xx_mc_err_of_match,
+	},
 };
 
 #ifdef CONFIG_MPC85xx
diff --git a/drivers/edac/ppc4xx_edac.c b/drivers/edac/ppc4xx_edac.c
index 11f2172aa1e..9d6f6783328 100644
--- a/drivers/edac/ppc4xx_edac.c
+++ b/drivers/edac/ppc4xx_edac.c
@@ -202,13 +202,13 @@ static struct of_device_id ppc4xx_edac_match[] = {
 };
 
 static struct of_platform_driver ppc4xx_edac_driver = {
-	.match_table		= ppc4xx_edac_match,
 	.probe			= ppc4xx_edac_probe,
 	.remove			= ppc4xx_edac_remove,
-	.driver			= {
-		.owner	= THIS_MODULE,
-		.name	= PPC4XX_EDAC_MODULE_NAME
-	}
+	.driver = {
+		.owner = THIS_MODULE,
+		.name = PPC4XX_EDAC_MODULE_NAME
+		.of_match_table = ppc4xx_edac_match,
+	},
 };
 
 /*
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index 68e90abeba9..5da5942cf97 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -300,8 +300,11 @@ static const struct of_device_id env_match[] = {
 MODULE_DEVICE_TABLE(of, env_match);
 
 static struct of_platform_driver env_driver = {
-	.name		= "ultra45_env",
-	.match_table	= env_match,
+	.driver = {
+		.name = "ultra45_env",
+		.owner = THIS_MODULE,
+		.of_match_table = env_match,
+	},
 	.probe		= env_probe,
 	.remove		= __devexit_p(env_remove),
 };
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 48d2c1a0d4c..7637e123414 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -718,13 +718,13 @@ static const struct of_device_id cpm_i2c_match[] = {
 MODULE_DEVICE_TABLE(of, cpm_i2c_match);
 
 static struct of_platform_driver cpm_i2c_driver = {
-	.match_table	= cpm_i2c_match,
 	.probe		= cpm_i2c_probe,
 	.remove		= __devexit_p(cpm_i2c_remove),
-	.driver		= {
-		.name	= "fsl-i2c-cpm",
-		.owner	= THIS_MODULE,
-	}
+	.driver = {
+		.name = "fsl-i2c-cpm",
+		.owner = THIS_MODULE,
+		.of_match_table = cpm_i2c_match,
+	},
 };
 
 static int __init cpm_i2c_init(void)
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index e66dc83953c..3876f993fe7 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -807,8 +807,11 @@ static const struct of_device_id ibm_iic_match[] = {
 };
 
 static struct of_platform_driver ibm_iic_driver = {
-	.name	= "ibm-iic",
-	.match_table = ibm_iic_match,
+	.driver = {
+		.name = "ibm-iic",
+		.owner = THIS_MODULE,
+		.of_match_table = ibm_iic_match,
+	},
 	.probe	= iic_probe,
 	.remove	= __devexit_p(iic_remove),
 };
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 69473b6c260..791b71f46f7 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -675,12 +675,12 @@ MODULE_DEVICE_TABLE(of, mpc_i2c_of_match);
 
 /* Structure for a device driver */
 static struct of_platform_driver mpc_i2c_driver = {
-	.match_table	= mpc_i2c_of_match,
 	.probe		= fsl_i2c_probe,
 	.remove		= __devexit_p(fsl_i2c_remove),
-	.driver		= {
-		.owner	= THIS_MODULE,
-		.name	= DRV_NAME,
+	.driver = {
+		.owner = THIS_MODULE,
+		.name = DRV_NAME,
+		.of_match_table = mpc_i2c_of_match,
 	},
 };
 
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 26391853277..252489e8836 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -937,12 +937,13 @@ static struct of_device_id ehca_device_table[] =
 MODULE_DEVICE_TABLE(of, ehca_device_table);
 
 static struct of_platform_driver ehca_driver = {
-	.name        = "ehca",
-	.match_table = ehca_device_table,
 	.probe       = ehca_probe,
 	.remove      = ehca_remove,
-	.driver	     = {
+	.driver = {
+		.name = "ehca",
+		.owner = THIS_MODULE,
 		.groups = ehca_drv_attr_groups,
+		.of_match_table = ehca_device_table,
 	},
 };
 
diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c
index 0d45422f809..1dacae4b43f 100644
--- a/drivers/input/misc/sparcspkr.c
+++ b/drivers/input/misc/sparcspkr.c
@@ -259,8 +259,11 @@ static const struct of_device_id bbc_beep_match[] = {
 };
 
 static struct of_platform_driver bbc_beep_driver = {
-	.name		= "bbcbeep",
-	.match_table	= bbc_beep_match,
+	.driver = {
+		.name = "bbcbeep",
+		.owner = THIS_MODULE,
+		.of_match_table = bbc_beep_match,
+	},
 	.probe		= bbc_beep_probe,
 	.remove		= __devexit_p(bbc_remove),
 	.shutdown	= sparcspkr_shutdown,
@@ -338,8 +341,11 @@ static const struct of_device_id grover_beep_match[] = {
 };
 
 static struct of_platform_driver grover_beep_driver = {
-	.name		= "groverbeep",
-	.match_table	= grover_beep_match,
+	.driver = {
+		.name = "groverbeep",
+		.owner = THIS_MODULE,
+		.of_match_table = grover_beep_match,
+	},
 	.probe		= grover_beep_probe,
 	.remove		= __devexit_p(grover_remove),
 	.shutdown	= sparcspkr_shutdown,
diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
index 29e17698b2a..04e32f2d124 100644
--- a/drivers/input/serio/i8042-sparcio.h
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -96,8 +96,11 @@ static const struct of_device_id sparc_i8042_match[] = {
 MODULE_DEVICE_TABLE(of, sparc_i8042_match);
 
 static struct of_platform_driver sparc_i8042_driver = {
-	.name		= "i8042",
-	.match_table	= sparc_i8042_match,
+	.driver = {
+		.name = "i8042",
+		.owner = THIS_MODULE,
+		.of_match_table = sparc_i8042_match,
+	},
 	.probe		= sparc_i8042_probe,
 	.remove		= __devexit_p(sparc_i8042_remove),
 };
diff --git a/drivers/input/serio/xilinx_ps2.c b/drivers/input/serio/xilinx_ps2.c
index 7a288c0ef1a..e2c028d2638 100644
--- a/drivers/input/serio/xilinx_ps2.c
+++ b/drivers/input/serio/xilinx_ps2.c
@@ -362,8 +362,11 @@ static const struct of_device_id xps2_of_match[] __devinitconst = {
 MODULE_DEVICE_TABLE(of, xps2_of_match);
 
 static struct of_platform_driver xps2_of_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= xps2_of_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = xps2_of_match,
+	},
 	.probe		= xps2_of_probe,
 	.remove		= __devexit_p(xps2_of_remove),
 };
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index a77a23e783d..6d94b0b9979 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -291,8 +291,8 @@ static struct of_platform_driver of_gpio_leds_driver = {
 	.driver = {
 		.name = "of_gpio_leds",
 		.owner = THIS_MODULE,
+		.of_match_table = of_gpio_leds_match,
 	},
-	.match_table = of_gpio_leds_match,
 	.probe = of_gpio_leds_probe,
 	.remove = __devexit_p(of_gpio_leds_remove),
 };
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 888448cf7f1..ef1f3330a10 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -671,8 +671,11 @@ static const struct of_device_id smu_platform_match[] =
 
 static struct of_platform_driver smu_of_platform_driver =
 {
-	.name 		= "smu",
-	.match_table	= smu_platform_match,
+	.driver = {
+		.name = "smu",
+		.owner = THIS_MODULE,
+		.of_match_table = smu_platform_match,
+	},
 	.probe		= smu_platform_probe,
 };
 
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index 9314be9a2fc..e60605bd0ea 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -2238,8 +2238,11 @@ static const struct of_device_id fcu_match[] =
 
 static struct of_platform_driver fcu_of_platform_driver = 
 {
-	.name 		= "temperature",
-	.match_table	= fcu_match,
+	.driver = {
+		.name = "temperature",
+		.owner = THIS_MODULE,
+		.of_match_table = fcu_match,
+	},
 	.probe		= fcu_of_probe,
 	.remove		= fcu_of_remove
 };
diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index 0839770e4ec..5c9367acf0c 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -463,8 +463,11 @@ static const struct of_device_id therm_of_match[] = {{
 };
 
 static struct of_platform_driver therm_of_driver = {
-	.name		= "temperature",
-	.match_table	= therm_of_match,
+	.driver = {
+		.name = "temperature",
+		.owner = THIS_MODULE,
+		.of_match_table = therm_of_match,
+	},
 	.probe		= therm_of_probe,
 	.remove		= therm_of_remove,
 };
diff --git a/drivers/mmc/host/sdhci-of-core.c b/drivers/mmc/host/sdhci-of-core.c
index dfe5ceae679..7802a543d8f 100644
--- a/drivers/mmc/host/sdhci-of-core.c
+++ b/drivers/mmc/host/sdhci-of-core.c
@@ -205,8 +205,11 @@ static const struct of_device_id sdhci_of_match[] = {
 MODULE_DEVICE_TABLE(of, sdhci_of_match);
 
 static struct of_platform_driver sdhci_of_driver = {
-	.driver.name = "sdhci-of",
-	.match_table = sdhci_of_match,
+	.driver = {
+		.name = "sdhci-of",
+		.owner = THIS_MODULE,
+		.of_match_table = sdhci_of_match,
+	},
 	.probe = sdhci_of_probe,
 	.remove = __devexit_p(sdhci_of_remove),
 	.suspend = sdhci_of_suspend,
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 3dc7a2fbf02..4147fe328c5 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -375,8 +375,11 @@ static struct of_device_id of_flash_match[] = {
 MODULE_DEVICE_TABLE(of, of_flash_match);
 
 static struct of_platform_driver of_flash_driver = {
-	.name		= "of-flash",
-	.match_table	= of_flash_match,
+	.driver = {
+		.name = "of-flash",
+		.owner = THIS_MODULE,
+		.of_match_table = of_flash_match,
+	},
 	.probe		= of_flash_probe,
 	.remove		= of_flash_remove,
 };
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index 5945a23e681..0391c2527bd 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -149,8 +149,11 @@ static const struct of_device_id uflash_match[] = {
 MODULE_DEVICE_TABLE(of, uflash_match);
 
 static struct of_platform_driver uflash_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= uflash_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = uflash_match,
+	},
 	.probe		= uflash_probe,
 	.remove		= __devexit_p(uflash_remove),
 };
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 4a6079588ab..f45a8d0c150 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -1078,9 +1078,10 @@ static const struct of_device_id fsl_elbc_match[] = {
 
 static struct of_platform_driver fsl_elbc_ctrl_driver = {
 	.driver = {
-		.name	= "fsl-elbc",
+		.name = "fsl-elbc",
+		.owner = THIS_MODULE,
+		.of_match_table = fsl_elbc_match,
 	},
-	.match_table = fsl_elbc_match,
 	.probe = fsl_elbc_ctrl_probe,
 	.remove = fsl_elbc_ctrl_remove,
 };
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 4b96296af32..b7ab5a0ec35 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -357,8 +357,11 @@ static struct of_device_id of_fun_match[] = {
 MODULE_DEVICE_TABLE(of, of_fun_match);
 
 static struct of_platform_driver of_fun_driver = {
-	.name		= "fsl,upm-nand",
-	.match_table	= of_fun_match,
+	.driver = {
+		.name = "fsl,upm-nand",
+		.owner = THIS_MODULE,
+		.of_match_table = of_fun_match,
+	},
 	.probe		= fun_probe,
 	.remove		= __devexit_p(fun_remove),
 };
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index c0e05f5ff8a..98fd2bdf8be 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -294,9 +294,10 @@ MODULE_DEVICE_TABLE(of, ndfc_match);
 
 static struct of_platform_driver ndfc_driver = {
 	.driver = {
-		.name	= "ndfc",
+		.name = "ndfc",
+		.owner = THIS_MODULE,
+		.of_match_table = ndfc_match,
 	},
-	.match_table = ndfc_match,
 	.probe = ndfc_probe,
 	.remove = __devexit_p(ndfc_remove),
 };
diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
index edfc27b7851..a97e9c95ab6 100644
--- a/drivers/mtd/nand/pasemi_nand.c
+++ b/drivers/mtd/nand/pasemi_nand.c
@@ -221,8 +221,11 @@ MODULE_DEVICE_TABLE(of, pasemi_nand_match);
 
 static struct of_platform_driver pasemi_nand_driver =
 {
-	.name		= (char*)driver_name,
-	.match_table	= pasemi_nand_match,
+	.driver = {
+		.name = (char*)driver_name,
+		.owner = THIS_MODULE,
+		.of_match_table = pasemi_nand_match,
+	},
 	.probe		= pasemi_nand_probe,
 	.remove		= pasemi_nand_remove,
 };
diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
index a4519a7bd68..edb9b138414 100644
--- a/drivers/mtd/nand/socrates_nand.c
+++ b/drivers/mtd/nand/socrates_nand.c
@@ -301,8 +301,11 @@ static struct of_device_id socrates_nand_match[] =
 MODULE_DEVICE_TABLE(of, socrates_nand_match);
 
 static struct of_platform_driver socrates_nand_driver = {
-	.name		= "socrates_nand",
-	.match_table	= socrates_nand_match,
+	.driver = {
+		.name = "socrates_nand",
+		.owner = THIS_MODULE,
+		.of_match_table = socrates_nand_match,
+	},
 	.probe		= socrates_nand_probe,
 	.remove		= __devexit_p(socrates_nand_remove),
 };
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
index 03e7c48465a..2120784f8db 100644
--- a/drivers/net/can/mscan/mpc5xxx_can.c
+++ b/drivers/net/can/mscan/mpc5xxx_can.c
@@ -393,15 +393,17 @@ static struct of_device_id __devinitdata mpc5xxx_can_table[] = {
 };
 
 static struct of_platform_driver mpc5xxx_can_driver = {
-	.owner = THIS_MODULE,
-	.name = "mpc5xxx_can",
+	.driver = {
+		.name = "mpc5xxx_can",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc5xxx_can_table,
+	},
 	.probe = mpc5xxx_can_probe,
 	.remove = __devexit_p(mpc5xxx_can_remove),
 #ifdef CONFIG_PM
 	.suspend = mpc5xxx_can_suspend,
 	.resume = mpc5xxx_can_resume,
 #endif
-	.match_table = mpc5xxx_can_table,
 };
 
 static int __init mpc5xxx_can_init(void)
diff --git a/drivers/net/can/sja1000/sja1000_of_platform.c b/drivers/net/can/sja1000/sja1000_of_platform.c
index dc5f20cdf93..158b76ebf3e 100644
--- a/drivers/net/can/sja1000/sja1000_of_platform.c
+++ b/drivers/net/can/sja1000/sja1000_of_platform.c
@@ -216,11 +216,13 @@ static struct of_device_id __devinitdata sja1000_ofp_table[] = {
 MODULE_DEVICE_TABLE(of, sja1000_ofp_table);
 
 static struct of_platform_driver sja1000_ofp_driver = {
-	.owner = THIS_MODULE,
-	.name = DRV_NAME,
+	.driver = {
+		.owner = THIS_MODULE,
+		.name = DRV_NAME,
+		.of_match_table = sja1000_ofp_table,
+	},
 	.probe = sja1000_ofp_probe,
 	.remove = __devexit_p(sja1000_ofp_remove),
-	.match_table = sja1000_ofp_table,
 };
 
 static int __init sja1000_ofp_init(void)
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 59dac232006..b23173864c6 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -122,8 +122,11 @@ static struct of_device_id ehea_device_table[] = {
 MODULE_DEVICE_TABLE(of, ehea_device_table);
 
 static struct of_platform_driver ehea_driver = {
-	.name = "ehea",
-	.match_table = ehea_device_table,
+	.driver = {
+		.name = "ehea",
+		.owner = THIS_MODULE,
+		.of_match_table = ehea_device_table,
+	},
 	.probe = ehea_probe_adapter,
 	.remove = ehea_remove,
 };
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 3342056f8aa..be540b67ea5 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -1065,9 +1065,11 @@ static struct of_device_id mpc52xx_fec_match[] = {
 MODULE_DEVICE_TABLE(of, mpc52xx_fec_match);
 
 static struct of_platform_driver mpc52xx_fec_driver = {
-	.owner		= THIS_MODULE,
-	.name		= DRIVER_NAME,
-	.match_table	= mpc52xx_fec_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_fec_match,
+	},
 	.probe		= mpc52xx_fec_probe,
 	.remove		= mpc52xx_fec_remove,
 #ifdef CONFIG_PM
diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c
index 0d099e5a652..006f64d9f96 100644
--- a/drivers/net/fec_mpc52xx_phy.c
+++ b/drivers/net/fec_mpc52xx_phy.c
@@ -159,10 +159,13 @@ static struct of_device_id mpc52xx_fec_mdio_match[] = {
 MODULE_DEVICE_TABLE(of, mpc52xx_fec_mdio_match);
 
 struct of_platform_driver mpc52xx_fec_mdio_driver = {
-	.name = "mpc5200b-fec-phy",
+	.driver = {
+		.name = "mpc5200b-fec-phy",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_fec_mdio_match,
+	},
 	.probe = mpc52xx_fec_mdio_probe,
 	.remove = mpc52xx_fec_mdio_remove,
-	.match_table = mpc52xx_fec_mdio_match,
 };
 
 /* let fec driver call it, since this has to be registered before it */
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
index caeb88b67bc..cae2d16858d 100644
--- a/drivers/net/fs_enet/fs_enet-main.c
+++ b/drivers/net/fs_enet/fs_enet-main.c
@@ -1158,8 +1158,11 @@ static struct of_device_id fs_enet_match[] = {
 MODULE_DEVICE_TABLE(of, fs_enet_match);
 
 static struct of_platform_driver fs_enet_driver = {
-	.name	= "fs_enet",
-	.match_table = fs_enet_match,
+	.driver = {
+		.owner = THIS_MODULE,
+		.name = "fs_enet",
+		.of_match_table = fs_enet_match,
+	},
 	.probe = fs_enet_probe,
 	.remove = fs_enet_remove,
 };
diff --git a/drivers/net/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c
index 24ff9f43a62..0f90685d3d1 100644
--- a/drivers/net/fs_enet/mii-bitbang.c
+++ b/drivers/net/fs_enet/mii-bitbang.c
@@ -224,8 +224,11 @@ static struct of_device_id fs_enet_mdio_bb_match[] = {
 MODULE_DEVICE_TABLE(of, fs_enet_mdio_bb_match);
 
 static struct of_platform_driver fs_enet_bb_mdio_driver = {
-	.name = "fsl-bb-mdio",
-	.match_table = fs_enet_mdio_bb_match,
+	.driver = {
+		.name = "fsl-bb-mdio",
+		.owner = THIS_MODULE,
+		.of_match_table = fs_enet_mdio_bb_match,
+	},
 	.probe = fs_enet_mdio_probe,
 	.remove = fs_enet_mdio_remove,
 };
diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c
index dc862e779c1..bddffd169b9 100644
--- a/drivers/net/fs_enet/mii-fec.c
+++ b/drivers/net/fs_enet/mii-fec.c
@@ -222,8 +222,11 @@ static struct of_device_id fs_enet_mdio_fec_match[] = {
 MODULE_DEVICE_TABLE(of, fs_enet_mdio_fec_match);
 
 static struct of_platform_driver fs_enet_fec_mdio_driver = {
-	.name = "fsl-fec-mdio",
-	.match_table = fs_enet_mdio_fec_match,
+	.driver = {
+		.name = "fsl-fec-mdio",
+		.owner = THIS_MODULE,
+		.of_match_table = fs_enet_mdio_fec_match,
+	},
 	.probe = fs_enet_mdio_probe,
 	.remove = fs_enet_mdio_remove,
 };
diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index 72489a213bf..16508535720 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -461,10 +461,13 @@ static struct of_device_id fsl_pq_mdio_match[] = {
 MODULE_DEVICE_TABLE(of, fsl_pq_mdio_match);
 
 static struct of_platform_driver fsl_pq_mdio_driver = {
-	.name = "fsl-pq_mdio",
+	.driver = {
+		.name = "fsl-pq_mdio",
+		.owner = THIS_MODULE,
+		.of_match_table = fsl_pq_mdio_match,
+	},
 	.probe = fsl_pq_mdio_probe,
 	.remove = fsl_pq_mdio_remove,
-	.match_table = fsl_pq_mdio_match,
 };
 
 int __init fsl_pq_mdio_init(void)
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index b71bba91064..c3b292a3132 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -3054,14 +3054,16 @@ MODULE_DEVICE_TABLE(of, gfar_match);
 
 /* Structure for a device driver */
 static struct of_platform_driver gfar_driver = {
-	.name = "fsl-gianfar",
-	.match_table = gfar_match,
-
+	.driver = {
+		.name = "fsl-gianfar",
+		.owner = THIS_MODULE,
+		.pm = GFAR_PM_OPS,
+		.of_match_table = gfar_match,
+	},
 	.probe = gfar_probe,
 	.remove = gfar_remove,
 	.suspend = gfar_legacy_suspend,
 	.resume = gfar_legacy_resume,
-	.driver.pm = GFAR_PM_OPS,
 };
 
 static int __init gfar_init(void)
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index cda2ba89134..f8c36a5eb4d 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2996,9 +2996,11 @@ static struct of_device_id emac_match[] =
 MODULE_DEVICE_TABLE(of, emac_match);
 
 static struct of_platform_driver emac_driver = {
-	.name = "emac",
-	.match_table = emac_match,
-
+	.driver = {
+		.name = "emac",
+		.owner = THIS_MODULE,
+		.of_match_table = emac_match,
+	},
 	.probe = emac_probe,
 	.remove = emac_remove,
 };
diff --git a/drivers/net/ibm_newemac/mal.c b/drivers/net/ibm_newemac/mal.c
index aba17947e20..fcff9e0bd38 100644
--- a/drivers/net/ibm_newemac/mal.c
+++ b/drivers/net/ibm_newemac/mal.c
@@ -790,9 +790,11 @@ static struct of_device_id mal_platform_match[] =
 };
 
 static struct of_platform_driver mal_of_driver = {
-	.name = "mcmal",
-	.match_table = mal_platform_match,
-
+	.driver = {
+		.name = "mcmal",
+		.owner = THIS_MODULE,
+		.of_match_table = mal_platform_match,
+	},
 	.probe = mal_probe,
 	.remove = mal_remove,
 };
diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c
index 6ab630a79e3..108919bcdf1 100644
--- a/drivers/net/ibm_newemac/rgmii.c
+++ b/drivers/net/ibm_newemac/rgmii.c
@@ -319,9 +319,11 @@ static struct of_device_id rgmii_match[] =
 };
 
 static struct of_platform_driver rgmii_driver = {
-	.name = "emac-rgmii",
-	.match_table = rgmii_match,
-
+	.driver = {
+		.name = "emac-rgmii",
+		.owner = THIS_MODULE,
+		.of_match_table = rgmii_match,
+	},
 	.probe = rgmii_probe,
 	.remove = rgmii_remove,
 };
diff --git a/drivers/net/ibm_newemac/tah.c b/drivers/net/ibm_newemac/tah.c
index 4f64b00dd5e..044637144c4 100644
--- a/drivers/net/ibm_newemac/tah.c
+++ b/drivers/net/ibm_newemac/tah.c
@@ -166,9 +166,11 @@ static struct of_device_id tah_match[] =
 };
 
 static struct of_platform_driver tah_driver = {
-	.name = "emac-tah",
-	.match_table = tah_match,
-
+	.driver = {
+		.name = "emac-tah",
+		.owner = THIS_MODULE,
+		.of_match_table = tah_match,
+	},
 	.probe = tah_probe,
 	.remove = tah_remove,
 };
diff --git a/drivers/net/ibm_newemac/zmii.c b/drivers/net/ibm_newemac/zmii.c
index b4fa823ed20..046dcd069c4 100644
--- a/drivers/net/ibm_newemac/zmii.c
+++ b/drivers/net/ibm_newemac/zmii.c
@@ -313,9 +313,11 @@ static struct of_device_id zmii_match[] =
 };
 
 static struct of_platform_driver zmii_driver = {
-	.name = "emac-zmii",
-	.match_table = zmii_match,
-
+	.driver = {
+		.name = "emac-zmii",
+		.owner = THIS_MODULE,
+		.of_match_table = zmii_match,
+	},
 	.probe = zmii_probe,
 	.remove = zmii_remove,
 };
diff --git a/drivers/net/ll_temac_main.c b/drivers/net/ll_temac_main.c
index 9c7395c10e4..dc318330ec7 100644
--- a/drivers/net/ll_temac_main.c
+++ b/drivers/net/ll_temac_main.c
@@ -955,12 +955,12 @@ static struct of_device_id temac_of_match[] __devinitdata = {
 MODULE_DEVICE_TABLE(of, temac_of_match);
 
 static struct of_platform_driver temac_of_driver = {
-	.match_table = temac_of_match,
 	.probe = temac_of_probe,
 	.remove = __devexit_p(temac_of_remove),
 	.driver = {
 		.owner = THIS_MODULE,
 		.name = "xilinx_temac",
+		.of_match_table = temac_of_match,
 	},
 };
 
diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c
index e21439f1e77..77835df4d01 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -1161,8 +1161,11 @@ static const struct of_device_id myri_sbus_match[] = {
 MODULE_DEVICE_TABLE(of, myri_sbus_match);
 
 static struct of_platform_driver myri_sbus_driver = {
-	.name		= "myri",
-	.match_table	= myri_sbus_match,
+	.driver = {
+		.name = "myri",
+		.owner = THIS_MODULE,
+		.of_match_table = myri_sbus_match,
+	},
 	.probe		= myri_sbus_probe,
 	.remove		= __devexit_p(myri_sbus_remove),
 };
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 9c1604c0445..406d72c4eb7 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -10207,8 +10207,11 @@ static const struct of_device_id niu_match[] = {
 MODULE_DEVICE_TABLE(of, niu_match);
 
 static struct of_platform_driver niu_of_driver = {
-	.name		= "niu",
-	.match_table	= niu_match,
+	.driver = {
+		.name = "niu",
+		.owner = THIS_MODULE,
+		.of_match_table = niu_match,
+	},
 	.probe		= niu_of_probe,
 	.remove		= __devexit_p(niu_of_remove),
 };
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 641973ca241..fc5fef2a817 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -241,8 +241,11 @@ static struct of_device_id mdio_ofgpio_match[] = {
 MODULE_DEVICE_TABLE(of, mdio_ofgpio_match);
 
 static struct of_platform_driver mdio_ofgpio_driver = {
-	.name = "mdio-gpio",
-	.match_table = mdio_ofgpio_match,
+	.driver = {
+		.name = "mdio-gpio",
+		.owner = THIS_MODULE,
+		.of_match_table = mdio_ofgpio_match,
+	},
 	.probe = mdio_ofgpio_probe,
 	.remove = __devexit_p(mdio_ofgpio_remove),
 };
diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index bd286ec5abd..5f0ec390d6f 100644
--- a/drivers/net/sunbmac.c
+++ b/drivers/net/sunbmac.c
@@ -1292,8 +1292,11 @@ static const struct of_device_id bigmac_sbus_match[] = {
 MODULE_DEVICE_TABLE(of, bigmac_sbus_match);
 
 static struct of_platform_driver bigmac_sbus_driver = {
-	.name		= "sunbmac",
-	.match_table	= bigmac_sbus_match,
+	.driver = {
+		.name = "sunbmac",
+		.owner = THIS_MODULE,
+		.of_match_table = bigmac_sbus_match,
+	},
 	.probe		= bigmac_sbus_probe,
 	.remove		= __devexit_p(bigmac_sbus_remove),
 };
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index c6463f71c91..ad2cfc5bb9e 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -3295,8 +3295,11 @@ static const struct of_device_id hme_sbus_match[] = {
 MODULE_DEVICE_TABLE(of, hme_sbus_match);
 
 static struct of_platform_driver hme_sbus_driver = {
-	.name		= "hme",
-	.match_table	= hme_sbus_match,
+	.driver = {
+		.name = "hme",
+		.owner = THIS_MODULE,
+		.of_match_table = hme_sbus_match,
+	},
 	.probe		= hme_sbus_probe,
 	.remove		= __devexit_p(hme_sbus_remove),
 };
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 28afc86e069..0fc014ef9e9 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -1546,8 +1546,11 @@ static const struct of_device_id sunlance_sbus_match[] = {
 MODULE_DEVICE_TABLE(of, sunlance_sbus_match);
 
 static struct of_platform_driver sunlance_sbus_driver = {
-	.name		= "sunlance",
-	.match_table	= sunlance_sbus_match,
+	.driver = {
+		.name = "sunlance",
+		.owner = THIS_MODULE,
+		.of_match_table = sunlance_sbus_match,
+	},
 	.probe		= sunlance_sbus_probe,
 	.remove		= __devexit_p(sunlance_sbus_remove),
 };
diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c
index 9864f4fa69d..8fe86b287e5 100644
--- a/drivers/net/sunqe.c
+++ b/drivers/net/sunqe.c
@@ -978,8 +978,11 @@ static const struct of_device_id qec_sbus_match[] = {
 MODULE_DEVICE_TABLE(of, qec_sbus_match);
 
 static struct of_platform_driver qec_sbus_driver = {
-	.name		= "qec",
-	.match_table	= qec_sbus_match,
+	.driver = {
+		.name = "qec",
+		.owner = THIS_MODULE,
+		.of_match_table = qec_sbus_match,
+	},
 	.probe		= qec_sbus_probe,
 	.remove		= __devexit_p(qec_sbus_remove),
 };
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 88ebfc97673..0ab51037bf8 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3965,8 +3965,11 @@ static struct of_device_id ucc_geth_match[] = {
 MODULE_DEVICE_TABLE(of, ucc_geth_match);
 
 static struct of_platform_driver ucc_geth_driver = {
-	.name		= DRV_NAME,
-	.match_table	= ucc_geth_match,
+	.driver = {
+		.name = DRV_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = ucc_geth_match,
+	},
 	.probe		= ucc_geth_probe,
 	.remove		= ucc_geth_remove,
 	.suspend	= ucc_geth_suspend,
diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index 3dd2416db54..67f9237237d 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -1293,8 +1293,11 @@ static struct of_device_id xemaclite_of_match[] __devinitdata = {
 MODULE_DEVICE_TABLE(of, xemaclite_of_match);
 
 static struct of_platform_driver xemaclite_of_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= xemaclite_of_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = xemaclite_of_match,
+	},
 	.probe		= xemaclite_of_probe,
 	.remove		= __devexit_p(xemaclite_of_remove),
 };
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 9fd7f7d0a0d..ba402c613ed 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -385,13 +385,6 @@ int of_bus_type_init(struct bus_type *bus, const char *name)
 
 int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
 {
-	/* initialize common driver fields */
-	if (!drv->driver.name)
-		drv->driver.name = drv->name;
-	if (!drv->driver.owner)
-		drv->driver.owner = drv->owner;
-	if (!drv->driver.of_match_table)
-		drv->driver.of_match_table = drv->match_table;
 	drv->driver.bus = bus;
 
 	/* register with core */
diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index 065f229580d..9a5b4b89416 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -382,8 +382,11 @@ static const struct of_device_id bpp_match[] = {
 MODULE_DEVICE_TABLE(of, bpp_match);
 
 static struct of_platform_driver bpp_sbus_driver = {
-	.name		= "bpp",
-	.match_table	= bpp_match,
+	.driver = {
+		.name = "bpp",
+		.owner = THIS_MODULE,
+		.of_match_table = bpp_match,
+	},
 	.probe		= bpp_probe,
 	.remove		= __devexit_p(bpp_remove),
 };
diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c
index a22d32d71bf..f94d8281cfb 100644
--- a/drivers/pcmcia/electra_cf.c
+++ b/drivers/pcmcia/electra_cf.c
@@ -357,8 +357,11 @@ static const struct of_device_id electra_cf_match[] = {
 MODULE_DEVICE_TABLE(of, electra_cf_match);
 
 static struct of_platform_driver electra_cf_driver = {
-	.name	   = (char *)driver_name,
-	.match_table    = electra_cf_match,
+	.driver = {
+		.name = (char *)driver_name,
+		.owner = THIS_MODULE,
+		.of_match_table = electra_cf_match,
+	},
 	.probe	  = electra_cf_probe,
 	.remove   = electra_cf_remove,
 };
diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c
index 41cc954a5ff..1a648b90b63 100644
--- a/drivers/pcmcia/m8xx_pcmcia.c
+++ b/drivers/pcmcia/m8xx_pcmcia.c
@@ -1298,8 +1298,11 @@ static const struct of_device_id m8xx_pcmcia_match[] = {
 MODULE_DEVICE_TABLE(of, m8xx_pcmcia_match);
 
 static struct of_platform_driver m8xx_pcmcia_driver = {
-	.name = driver_name,
-	.match_table = m8xx_pcmcia_match,
+	.driver = {
+		.name = driver_name,
+		.owner = THIS_MODULE,
+		.match_table = m8xx_pcmcia_match,
+	},
 	.probe = m8xx_probe,
 	.remove = m8xx_remove,
 };
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 1543ac32b79..8bfdd63a1fc 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -414,8 +414,11 @@ static const struct of_device_id bbc_i2c_match[] = {
 MODULE_DEVICE_TABLE(of, bbc_i2c_match);
 
 static struct of_platform_driver bbc_i2c_driver = {
-	.name		= "bbc_i2c",
-	.match_table	= bbc_i2c_match,
+	.driver = {
+		.name = "bbc_i2c",
+		.owner = THIS_MODULE,
+		.of_match_table = bbc_i2c_match,
+	},
 	.probe		= bbc_i2c_probe,
 	.remove		= __devexit_p(bbc_i2c_remove),
 };
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 7fc7f34f346..7baf1b64403 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -266,8 +266,11 @@ static const struct of_device_id d7s_match[] = {
 MODULE_DEVICE_TABLE(of, d7s_match);
 
 static struct of_platform_driver d7s_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= d7s_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = d7s_match,
+	},
 	.probe		= d7s_probe,
 	.remove		= __devexit_p(d7s_remove),
 };
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index a5fe20faf4f..c8166ecf527 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -1131,8 +1131,11 @@ static const struct of_device_id envctrl_match[] = {
 MODULE_DEVICE_TABLE(of, envctrl_match);
 
 static struct of_platform_driver envctrl_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= envctrl_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = envctrl_match,
+	},
 	.probe		= envctrl_probe,
 	.remove		= __devexit_p(envctrl_remove),
 };
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 202ff8f75af..0427e586975 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -207,8 +207,11 @@ static const struct of_device_id flash_match[] = {
 MODULE_DEVICE_TABLE(of, flash_match);
 
 static struct of_platform_driver flash_driver = {
-	.name		= "flash",
-	.match_table	= flash_match,
+	.driver = {
+		.name = "flash",
+		.owner = THIS_MODULE,
+		.of_match_table = flash_match,
+	},
 	.probe		= flash_probe,
 	.remove		= __devexit_p(flash_remove),
 };
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index acc6738aa61..5f253665a1d 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -425,8 +425,11 @@ static const struct of_device_id uctrl_match[] = {
 MODULE_DEVICE_TABLE(of, uctrl_match);
 
 static struct of_platform_driver uctrl_driver = {
-	.name		= "uctrl",
-	.match_table	= uctrl_match,
+	.driver = {
+		.name = "uctrl",
+		.owner = THIS_MODULE,
+		.of_match_table = uctrl_match,
+	},
 	.probe		= uctrl_probe,
 	.remove		= __devexit_p(uctrl_remove),
 };
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 35433d23b7c..ca5c15c779c 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -1456,8 +1456,11 @@ static const struct of_device_id qpti_match[] = {
 MODULE_DEVICE_TABLE(of, qpti_match);
 
 static struct of_platform_driver qpti_sbus_driver = {
-	.name		= "qpti",
-	.match_table	= qpti_match,
+	.driver = {
+		.name = "qpti",
+		.owner = THIS_MODULE,
+		.of_match_table = qpti_match,
+	},
 	.probe		= qpti_sbus_probe,
 	.remove		= __devexit_p(qpti_sbus_remove),
 };
diff --git a/drivers/scsi/sun_esp.c b/drivers/scsi/sun_esp.c
index 151df73df47..386dd9d602b 100644
--- a/drivers/scsi/sun_esp.c
+++ b/drivers/scsi/sun_esp.c
@@ -633,8 +633,11 @@ static const struct of_device_id esp_match[] = {
 MODULE_DEVICE_TABLE(of, esp_match);
 
 static struct of_platform_driver esp_sbus_driver = {
-	.name		= "esp",
-	.match_table	= esp_match,
+	.driver = {
+		.name = "esp",
+		.owner = THIS_MODULE,
+		.of_match_table = esp_match,
+	},
 	.probe		= esp_sbus_probe,
 	.remove		= __devexit_p(esp_sbus_remove),
 };
diff --git a/drivers/serial/apbuart.c b/drivers/serial/apbuart.c
index 52015d7031b..0099b8692b6 100644
--- a/drivers/serial/apbuart.c
+++ b/drivers/serial/apbuart.c
@@ -584,12 +584,12 @@ static struct of_device_id __initdata apbuart_match[] = {
 };
 
 static struct of_platform_driver grlib_apbuart_of_driver = {
-	.match_table = apbuart_match,
 	.probe = apbuart_probe,
 	.driver = {
-		   .owner = THIS_MODULE,
-		   .name = "grlib-apbuart",
-		   },
+		.owner = THIS_MODULE,
+		.name = "grlib-apbuart",
+		.of_match_table = apbuart_match,
+	},
 };
 
 
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 7866cdf8a75..9eb62a256e9 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -1372,8 +1372,11 @@ static struct of_device_id cpm_uart_match[] = {
 };
 
 static struct of_platform_driver cpm_uart_driver = {
-	.name = "cpm_uart",
-	.match_table = cpm_uart_match,
+	.driver = {
+		.name = "cpm_uart",
+		.owner = THIS_MODULE,
+		.of_match_table = cpm_uart_match,
+	},
 	.probe = cpm_uart_probe,
 	.remove = cpm_uart_remove,
  };
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index cb079387c5a..4fb32e3748c 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -1464,15 +1464,16 @@ mpc52xx_uart_of_enumerate(void)
 MODULE_DEVICE_TABLE(of, mpc52xx_uart_of_match);
 
 static struct of_platform_driver mpc52xx_uart_of_driver = {
-	.match_table	= mpc52xx_uart_of_match,
 	.probe		= mpc52xx_uart_of_probe,
 	.remove		= mpc52xx_uart_of_remove,
 #ifdef CONFIG_PM
 	.suspend	= mpc52xx_uart_of_suspend,
 	.resume		= mpc52xx_uart_of_resume,
 #endif
-	.driver		= {
-		.name	= "mpc52xx-psc-uart",
+	.driver = {
+		.name = "mpc52xx-psc-uart",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_uart_of_match,
 	},
 };
 
diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index 29539805e59..a48d9080f55 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -175,11 +175,13 @@ static struct of_device_id __devinitdata of_platform_serial_table[] = {
 };
 
 static struct of_platform_driver of_platform_serial_driver = {
-	.owner = THIS_MODULE,
-	.name = "of_serial",
+	.driver = {
+		.name = "of_serial",
+		.owner = THIS_MODULE,
+		.of_match_table = of_platform_serial_table,
+	},
 	.probe = of_platform_serial_probe,
 	.remove = of_platform_serial_remove,
-	.match_table = of_platform_serial_table,
 };
 
 static int __init of_platform_serial_init(void)
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index d1eedf13d85..890f9174296 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -630,8 +630,11 @@ static const struct of_device_id hv_match[] = {
 MODULE_DEVICE_TABLE(of, hv_match);
 
 static struct of_platform_driver hv_driver = {
-	.name		= "hv",
-	.match_table	= hv_match,
+	.driver = {
+		.name = "hv",
+		.owner = THIS_MODULE,
+		.of_match_table = hv_match,
+	},
 	.probe		= hv_probe,
 	.remove		= __devexit_p(hv_remove),
 };
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 9176c41b74a..5e81bc6b48b 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -1093,8 +1093,11 @@ static const struct of_device_id sab_match[] = {
 MODULE_DEVICE_TABLE(of, sab_match);
 
 static struct of_platform_driver sab_driver = {
-	.name		= "sab",
-	.match_table	= sab_match,
+	.driver = {
+		.name = "sab",
+		.owner = THIS_MODULE,
+		.of_match_table = sab_match,
+	},
 	.probe		= sab_probe,
 	.remove		= __devexit_p(sab_remove),
 };
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index a647b244807..234459c2f01 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1539,8 +1539,11 @@ static const struct of_device_id su_match[] = {
 MODULE_DEVICE_TABLE(of, su_match);
 
 static struct of_platform_driver su_driver = {
-	.name		= "su",
-	.match_table	= su_match,
+	.driver = {
+		.name = "su",
+		.owner = THIS_MODULE,
+		.of_match_table = su_match,
+	},
 	.probe		= su_probe,
 	.remove		= __devexit_p(su_remove),
 };
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 20f9be8cd94..34fb8e84504 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1491,8 +1491,11 @@ static const struct of_device_id zs_match[] = {
 MODULE_DEVICE_TABLE(of, zs_match);
 
 static struct of_platform_driver zs_driver = {
-	.name		= "zs",
-	.match_table	= zs_match,
+	.driver = {
+		.name = "zs",
+		.owner = THIS_MODULE,
+		.of_match_table = zs_match,
+	},
 	.probe		= zs_probe,
 	.remove		= __devexit_p(zs_remove),
 };
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index 8fc2583d06f..81073e3426e 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -610,13 +610,12 @@ static int __devexit ulite_of_remove(struct of_device *op)
 }
 
 static struct of_platform_driver ulite_of_driver = {
-	.owner = THIS_MODULE,
-	.name = "uartlite",
-	.match_table = ulite_of_match,
 	.probe = ulite_of_probe,
 	.remove = __devexit_p(ulite_of_remove),
 	.driver = {
 		.name = "uartlite",
+		.owner = THIS_MODULE,
+		.of_match_table = ulite_of_match,
 	},
 };
 
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index 529890f044e..907b06f5c44 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -1486,9 +1486,11 @@ static struct of_device_id ucc_uart_match[] = {
 MODULE_DEVICE_TABLE(of, ucc_uart_match);
 
 static struct of_platform_driver ucc_uart_of_driver = {
-	.owner  	= THIS_MODULE,
-	.name   	= "ucc_uart",
-	.match_table    = ucc_uart_match,
+	.driver = {
+		.name = "ucc_uart",
+		.owner = THIS_MODULE,
+		.of_match_table    = ucc_uart_match,
+	},
 	.probe  	= ucc_uart_probe,
 	.remove 	= ucc_uart_remove,
 };
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 7fcf2840586..7104cb739da 100644
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -514,14 +514,12 @@ static const struct of_device_id mpc52xx_psc_spi_of_match[] = {
 MODULE_DEVICE_TABLE(of, mpc52xx_psc_spi_of_match);
 
 static struct of_platform_driver mpc52xx_psc_spi_of_driver = {
-	.owner = THIS_MODULE,
-	.name = "mpc52xx-psc-spi",
-	.match_table = mpc52xx_psc_spi_of_match,
 	.probe = mpc52xx_psc_spi_of_probe,
 	.remove = __exit_p(mpc52xx_psc_spi_of_remove),
 	.driver = {
 		.name = "mpc52xx-psc-spi",
 		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_psc_spi_of_match,
 	},
 };
 
diff --git a/drivers/spi/mpc52xx_spi.c b/drivers/spi/mpc52xx_spi.c
index 6573233bf7c..b1a76bff775 100644
--- a/drivers/spi/mpc52xx_spi.c
+++ b/drivers/spi/mpc52xx_spi.c
@@ -558,9 +558,11 @@ static const struct of_device_id mpc52xx_spi_match[] __devinitconst = {
 MODULE_DEVICE_TABLE(of, mpc52xx_spi_match);
 
 static struct of_platform_driver mpc52xx_spi_of_driver = {
-	.owner = THIS_MODULE,
-	.name = "mpc52xx-spi",
-	.match_table = mpc52xx_spi_match,
+	.driver = {
+		.name = "mpc52xx-spi",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc52xx_spi_match,
+	},
 	.probe = mpc52xx_spi_probe,
 	.remove = __exit_p(mpc52xx_spi_remove),
 };
diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c
index 7572f98a419..77ab15e330d 100644
--- a/drivers/spi/spi_mpc8xxx.c
+++ b/drivers/spi/spi_mpc8xxx.c
@@ -1312,8 +1312,11 @@ static const struct of_device_id of_mpc8xxx_spi_match[] = {
 MODULE_DEVICE_TABLE(of, of_mpc8xxx_spi_match);
 
 static struct of_platform_driver of_mpc8xxx_spi_driver = {
-	.name		= "mpc8xxx_spi",
-	.match_table	= of_mpc8xxx_spi_match,
+	.driver = {
+		.name = "mpc8xxx_spi",
+		.owner = THIS_MODULE,
+		.of_match_table = of_mpc8xxx_spi_match,
+	},
 	.probe		= of_mpc8xxx_spi_probe,
 	.remove		= __devexit_p(of_mpc8xxx_spi_remove),
 };
diff --git a/drivers/spi/spi_ppc4xx.c b/drivers/spi/spi_ppc4xx.c
index 7cb5ff37f6e..19c0b3b34fc 100644
--- a/drivers/spi/spi_ppc4xx.c
+++ b/drivers/spi/spi_ppc4xx.c
@@ -587,12 +587,12 @@ static const struct of_device_id spi_ppc4xx_of_match[] = {
 MODULE_DEVICE_TABLE(of, spi_ppc4xx_of_match);
 
 static struct of_platform_driver spi_ppc4xx_of_driver = {
-	.match_table = spi_ppc4xx_of_match,
 	.probe = spi_ppc4xx_of_probe,
 	.remove = __exit_p(spi_ppc4xx_of_remove),
 	.driver = {
 		.name = DRIVER_NAME,
 		.owner = THIS_MODULE,
+		.of_match_table = spi_ppc4xx_of_match,
 	},
 };
 
diff --git a/drivers/spi/xilinx_spi_of.c b/drivers/spi/xilinx_spi_of.c
index 748d33a76d2..55c58012a02 100644
--- a/drivers/spi/xilinx_spi_of.c
+++ b/drivers/spi/xilinx_spi_of.c
@@ -109,12 +109,12 @@ static const struct of_device_id xilinx_spi_of_match[] = {
 MODULE_DEVICE_TABLE(of, xilinx_spi_of_match);
 
 static struct of_platform_driver xilinx_spi_of_driver = {
-	.match_table = xilinx_spi_of_match,
 	.probe = xilinx_spi_of_probe,
 	.remove = __exit_p(xilinx_spi_of_remove),
 	.driver = {
 		.name = "xilinx-xps-spi",
 		.owner = THIS_MODULE,
+		.of_match_table = xilinx_spi_of_match,
 	},
 };
 
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 3537d51073b..2928523268b 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2768,8 +2768,11 @@ static const struct of_device_id qe_udc_match[] __devinitconst = {
 MODULE_DEVICE_TABLE(of, qe_udc_match);
 
 static struct of_platform_driver udc_driver = {
-	.name           = (char *)driver_name,
-	.match_table    = qe_udc_match,
+	.driver = {
+		.name = (char *)driver_name,
+		.owner = THIS_MODULE,
+		.of_match_table = qe_udc_match,
+	},
 	.probe          = qe_udc_probe,
 	.remove         = __devexit_p(qe_udc_remove),
 #ifdef CONFIG_PM
diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
index ad0662354a5..5aec92866ab 100644
--- a/drivers/usb/host/ehci-ppc-of.c
+++ b/drivers/usb/host/ehci-ppc-of.c
@@ -274,13 +274,12 @@ MODULE_DEVICE_TABLE(of, ehci_hcd_ppc_of_match);
 
 
 static struct of_platform_driver ehci_hcd_ppc_of_driver = {
-	.name		= "ppc-of-ehci",
-	.match_table	= ehci_hcd_ppc_of_match,
 	.probe		= ehci_hcd_ppc_of_probe,
 	.remove		= ehci_hcd_ppc_of_remove,
 	.shutdown	= ehci_hcd_ppc_of_shutdown,
-	.driver		= {
-		.name	= "ppc-of-ehci",
-		.owner	= THIS_MODULE,
+	.driver = {
+		.name = "ppc-of-ehci",
+		.owner = THIS_MODULE,
+		.of_match_table = ehci_hcd_ppc_of_match,
 	},
 };
diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c
index f603bb2c0a8..013972bbde5 100644
--- a/drivers/usb/host/ehci-xilinx-of.c
+++ b/drivers/usb/host/ehci-xilinx-of.c
@@ -288,13 +288,12 @@ static const struct of_device_id ehci_hcd_xilinx_of_match[] = {
 MODULE_DEVICE_TABLE(of, ehci_hcd_xilinx_of_match);
 
 static struct of_platform_driver ehci_hcd_xilinx_of_driver = {
-	.name		= "xilinx-of-ehci",
-	.match_table	= ehci_hcd_xilinx_of_match,
 	.probe		= ehci_hcd_xilinx_of_probe,
 	.remove		= ehci_hcd_xilinx_of_remove,
 	.shutdown	= ehci_hcd_xilinx_of_shutdown,
-	.driver		= {
-		.name	= "xilinx-of-ehci",
-		.owner	= THIS_MODULE,
+	.driver = {
+		.name = "xilinx-of-ehci",
+		.owner = THIS_MODULE,
+		.of_match_table = ehci_hcd_xilinx_of_match,
 	},
 };
diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index 6135732d805..7b5c62654bf 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -813,8 +813,11 @@ static const struct of_device_id of_fhci_match[] = {
 MODULE_DEVICE_TABLE(of, of_fhci_match);
 
 static struct of_platform_driver of_fhci_driver = {
-	.name		= "fsl,usb-fhci",
-	.match_table	= of_fhci_match,
+	.driver = {
+		.name = "fsl,usb-fhci",
+		.owner = THIS_MODULE,
+		.of_match_table = of_fhci_match,
+	},
 	.probe		= of_fhci_probe,
 	.remove		= __devexit_p(of_fhci_remove),
 };
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 36360e24a9b..100d5faebe3 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -121,8 +121,11 @@ static const struct of_device_id of_isp1760_match[] = {
 MODULE_DEVICE_TABLE(of, of_isp1760_match);
 
 static struct of_platform_driver isp1760_of_driver = {
-	.name           = "nxp-isp1760",
-	.match_table    = of_isp1760_match,
+	.driver = {
+		.name = "nxp-isp1760",
+		.owner = THIS_MODULE,
+		.of_match_table = of_isp1760_match,
+	},
 	.probe          = of_isp1760_probe,
 	.remove         = of_isp1760_remove,
 };
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 003aea21c35..df165917412 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -244,18 +244,13 @@ MODULE_DEVICE_TABLE(of, ohci_hcd_ppc_of_match);
 
 
 static struct of_platform_driver ohci_hcd_ppc_of_driver = {
-	.name		= "ppc-of-ohci",
-	.match_table	= ohci_hcd_ppc_of_match,
 	.probe		= ohci_hcd_ppc_of_probe,
 	.remove		= ohci_hcd_ppc_of_remove,
 	.shutdown 	= ohci_hcd_ppc_of_shutdown,
-#ifdef CONFIG_PM
-	/*.suspend	= ohci_hcd_ppc_soc_drv_suspend,*/
-	/*.resume	= ohci_hcd_ppc_soc_drv_resume,*/
-#endif
-	.driver		= {
-		.name	= "ppc-of-ohci",
-		.owner	= THIS_MODULE,
+	.driver = {
+		.name = "ppc-of-ohci",
+		.owner = THIS_MODULE,
+		.of_match_table = ohci_hcd_ppc_of_match,
 	},
 };
 
diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
index 43320925c4c..2c371c07f0d 100644
--- a/drivers/video/bw2.c
+++ b/drivers/video/bw2.c
@@ -376,8 +376,11 @@ static const struct of_device_id bw2_match[] = {
 MODULE_DEVICE_TABLE(of, bw2_match);
 
 static struct of_platform_driver bw2_driver = {
-	.name		= "bw2",
-	.match_table	= bw2_match,
+	.driver = {
+		.name = "bw2",
+		.owner = THIS_MODULE,
+		.of_match_table = bw2_match,
+	},
 	.probe		= bw2_probe,
 	.remove		= __devexit_p(bw2_remove),
 };
diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c
index 77a040af20a..d12e05b6e63 100644
--- a/drivers/video/cg14.c
+++ b/drivers/video/cg14.c
@@ -596,8 +596,11 @@ static const struct of_device_id cg14_match[] = {
 MODULE_DEVICE_TABLE(of, cg14_match);
 
 static struct of_platform_driver cg14_driver = {
-	.name		= "cg14",
-	.match_table	= cg14_match,
+	.driver = {
+		.name = "cg14",
+		.owner = THIS_MODULE,
+		.of_match_table = cg14_match,
+	},
 	.probe		= cg14_probe,
 	.remove		= __devexit_p(cg14_remove),
 };
diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c
index 30eedf79322..b98f93f7f66 100644
--- a/drivers/video/cg3.c
+++ b/drivers/video/cg3.c
@@ -463,8 +463,11 @@ static const struct of_device_id cg3_match[] = {
 MODULE_DEVICE_TABLE(of, cg3_match);
 
 static struct of_platform_driver cg3_driver = {
-	.name		= "cg3",
-	.match_table	= cg3_match,
+	.driver = {
+		.name = "cg3",
+		.owner = THIS_MODULE,
+		.of_match_table = cg3_match,
+	},
 	.probe		= cg3_probe,
 	.remove		= __devexit_p(cg3_remove),
 };
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 7f59b0fe5dc..480d761a27a 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -856,8 +856,11 @@ static const struct of_device_id cg6_match[] = {
 MODULE_DEVICE_TABLE(of, cg6_match);
 
 static struct of_platform_driver cg6_driver = {
-	.name		= "cg6",
-	.match_table	= cg6_match,
+	.driver = {
+		.name = "cg6",
+		.owner = THIS_MODULE,
+		.of_match_table = cg6_match,
+	},
 	.probe		= cg6_probe,
 	.remove		= __devexit_p(cg6_remove),
 };
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c
index ddd46f71e25..95c0227f47f 100644
--- a/drivers/video/ffb.c
+++ b/drivers/video/ffb.c
@@ -1053,8 +1053,11 @@ static const struct of_device_id ffb_match[] = {
 MODULE_DEVICE_TABLE(of, ffb_match);
 
 static struct of_platform_driver ffb_driver = {
-	.name		= "ffb",
-	.match_table	= ffb_match,
+	.driver = {
+		.name = "ffb",
+		.owner = THIS_MODULE,
+		.of_match_table = ffb_match,
+	},
 	.probe		= ffb_probe,
 	.remove		= __devexit_p(ffb_remove),
 };
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index 930a2522a63..27455ce298b 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -1647,9 +1647,11 @@ static struct of_device_id fsl_diu_match[] = {
 MODULE_DEVICE_TABLE(of, fsl_diu_match);
 
 static struct of_platform_driver fsl_diu_driver = {
-	.owner  	= THIS_MODULE,
-	.name   	= "fsl_diu",
-	.match_table    = fsl_diu_match,
+	.driver = {
+		.name = "fsl_diu",
+		.owner = THIS_MODULE,
+		.of_match_table = fsl_diu_match,
+	},
 	.probe  	= fsl_diu_probe,
 	.remove 	= fsl_diu_remove,
 	.suspend	= fsl_diu_suspend,
diff --git a/drivers/video/leo.c b/drivers/video/leo.c
index 1db55f12849..3d7895316ea 100644
--- a/drivers/video/leo.c
+++ b/drivers/video/leo.c
@@ -663,8 +663,11 @@ static const struct of_device_id leo_match[] = {
 MODULE_DEVICE_TABLE(of, leo_match);
 
 static struct of_platform_driver leo_driver = {
-	.name		= "leo",
-	.match_table	= leo_match,
+	.driver = {
+		.name = "leo",
+		.owner = THIS_MODULE,
+		.of_match_table = leo_match,
+	},
 	.probe		= leo_probe,
 	.remove		= __devexit_p(leo_remove),
 };
diff --git a/drivers/video/mb862xx/mb862xxfb.c b/drivers/video/mb862xx/mb862xxfb.c
index 8280a58a0e5..0540de4f5cb 100644
--- a/drivers/video/mb862xx/mb862xxfb.c
+++ b/drivers/video/mb862xx/mb862xxfb.c
@@ -718,9 +718,11 @@ static struct of_device_id __devinitdata of_platform_mb862xx_tbl[] = {
 };
 
 static struct of_platform_driver of_platform_mb862xxfb_driver = {
-	.owner		= THIS_MODULE,
-	.name		= DRV_NAME,
-	.match_table	= of_platform_mb862xx_tbl,
+	.driver = {
+		.name = DRV_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = of_platform_mb862xx_tbl,
+	},
 	.probe		= of_platform_mb862xx_probe,
 	.remove		= __devexit_p(of_platform_mb862xx_remove),
 };
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c
index 81440f2b909..c85dd408a9b 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -353,8 +353,11 @@ static const struct of_device_id p9100_match[] = {
 MODULE_DEVICE_TABLE(of, p9100_match);
 
 static struct of_platform_driver p9100_driver = {
-	.name		= "p9100",
-	.match_table	= p9100_match,
+	.driver = {
+		.name = "p9100",
+		.owner = THIS_MODULE,
+		.of_match_table = p9100_match,
+	},
 	.probe		= p9100_probe,
 	.remove		= __devexit_p(p9100_remove),
 };
diff --git a/drivers/video/platinumfb.c b/drivers/video/platinumfb.c
index 69d78d50f0f..72a1f4c0473 100644
--- a/drivers/video/platinumfb.c
+++ b/drivers/video/platinumfb.c
@@ -679,8 +679,11 @@ static struct of_device_id platinumfb_match[] =
 
 static struct of_platform_driver platinum_driver = 
 {
-	.name 		= "platinumfb",
-	.match_table	= platinumfb_match,
+	.driver = {
+		.name = "platinumfb",
+		.owner = THIS_MODULE,
+		.of_match_table = platinumfb_match,
+	},
 	.probe		= platinumfb_probe,
 	.remove		= platinumfb_remove,
 };
diff --git a/drivers/video/sunxvr1000.c b/drivers/video/sunxvr1000.c
index ad92a200faf..489b44e8db8 100644
--- a/drivers/video/sunxvr1000.c
+++ b/drivers/video/sunxvr1000.c
@@ -199,10 +199,13 @@ static const struct of_device_id gfb_match[] = {
 MODULE_DEVICE_TABLE(of, ffb_match);
 
 static struct of_platform_driver gfb_driver = {
-	.name		= "gfb",
-	.match_table	= gfb_match,
 	.probe		= gfb_probe,
 	.remove		= __devexit_p(gfb_remove),
+	.driver = {
+		.name		= "gfb",
+		.owner		= THIS_MODULE,
+		.of_match_table	= gfb_match,
+	},
 };
 
 static int __init gfb_init(void)
diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c
index c0c2b18fcdc..ef7a7bd8b50 100644
--- a/drivers/video/tcx.c
+++ b/drivers/video/tcx.c
@@ -512,8 +512,11 @@ static const struct of_device_id tcx_match[] = {
 MODULE_DEVICE_TABLE(of, tcx_match);
 
 static struct of_platform_driver tcx_driver = {
-	.name		= "tcx",
-	.match_table	= tcx_match,
+	.driver = {
+		.name = "tcx",
+		.owner = THIS_MODULE,
+		.of_match_table = tcx_match,
+	},
 	.probe		= tcx_probe,
 	.remove		= __devexit_p(tcx_remove),
 };
diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c
index 6fcec553662..574dc54e12d 100644
--- a/drivers/video/xilinxfb.c
+++ b/drivers/video/xilinxfb.c
@@ -492,13 +492,12 @@ static struct of_device_id xilinxfb_of_match[] __devinitdata = {
 MODULE_DEVICE_TABLE(of, xilinxfb_of_match);
 
 static struct of_platform_driver xilinxfb_of_driver = {
-	.owner = THIS_MODULE,
-	.name = DRIVER_NAME,
-	.match_table = xilinxfb_of_match,
 	.probe = xilinxfb_of_probe,
 	.remove = __devexit_p(xilinxfb_of_remove),
 	.driver = {
 		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = xilinxfb_of_match,
 	},
 };
 
diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c
index 2fcc3cf7ef6..d62b9ce8f77 100644
--- a/drivers/watchdog/cpwd.c
+++ b/drivers/watchdog/cpwd.c
@@ -677,8 +677,11 @@ static const struct of_device_id cpwd_match[] = {
 MODULE_DEVICE_TABLE(of, cpwd_match);
 
 static struct of_platform_driver cpwd_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= cpwd_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = cpwd_match,
+	},
 	.probe		= cpwd_probe,
 	.remove		= __devexit_p(cpwd_remove),
 };
diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c
index abdbad034a6..ca0f4c6cf5a 100644
--- a/drivers/watchdog/gef_wdt.c
+++ b/drivers/watchdog/gef_wdt.c
@@ -303,9 +303,11 @@ static const struct of_device_id gef_wdt_ids[] = {
 };
 
 static struct of_platform_driver gef_wdt_driver = {
-	.owner		= THIS_MODULE,
-	.name		= "gef_wdt",
-	.match_table	= gef_wdt_ids,
+	.driver = {
+		.name = "gef_wdt",
+		.owner = THIS_MODULE,
+		.of_match_table = gef_wdt_ids,
+	},
 	.probe		= gef_wdt_probe,
 };
 
diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index 4e3941c5e29..7b55974191d 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -273,12 +273,12 @@ static const struct of_device_id mpc8xxx_wdt_match[] = {
 MODULE_DEVICE_TABLE(of, mpc8xxx_wdt_match);
 
 static struct of_platform_driver mpc8xxx_wdt_driver = {
-	.match_table	= mpc8xxx_wdt_match,
 	.probe		= mpc8xxx_wdt_probe,
 	.remove		= __devexit_p(mpc8xxx_wdt_remove),
-	.driver		= {
-		.name	= "mpc8xxx_wdt",
-		.owner	= THIS_MODULE,
+	.driver = {
+		.name = "mpc8xxx_wdt",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc8xxx_wdt_match,
 	},
 };
 
diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
index ea7f803f624..5dceeddc885 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -239,8 +239,11 @@ static const struct of_device_id riowd_match[] = {
 MODULE_DEVICE_TABLE(of, riowd_match);
 
 static struct of_platform_driver riowd_driver = {
-	.name		= DRIVER_NAME,
-	.match_table	= riowd_match,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = riowd_match,
+	},
 	.probe		= riowd_probe,
 	.remove		= __devexit_p(riowd_remove),
 };
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index ac3ae0758fb..1643d3761eb 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -31,10 +31,6 @@ extern struct bus_type of_platform_bus_type;
  */
 struct of_platform_driver
 {
-	const char		*name;
-	const struct of_device_id	*match_table;
-	struct module		*owner;
-
 	int	(*probe)(struct of_device* dev,
 			 const struct of_device_id *match);
 	int	(*remove)(struct of_device* dev);
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c
index 3dbc7f7cd7b..e2ee220bfb7 100644
--- a/sound/soc/fsl/mpc5200_psc_ac97.c
+++ b/sound/soc/fsl/mpc5200_psc_ac97.c
@@ -317,12 +317,12 @@ static struct of_device_id psc_ac97_match[] __devinitdata = {
 MODULE_DEVICE_TABLE(of, psc_ac97_match);
 
 static struct of_platform_driver psc_ac97_driver = {
-	.match_table = psc_ac97_match,
 	.probe = psc_ac97_of_probe,
 	.remove = __devexit_p(psc_ac97_of_remove),
 	.driver = {
 		.name = "mpc5200-psc-ac97",
 		.owner = THIS_MODULE,
+		.of_match_table = psc_ac97_match,
 	},
 };
 
diff --git a/sound/soc/fsl/mpc5200_psc_i2s.c b/sound/soc/fsl/mpc5200_psc_i2s.c
index 748cc0f0df3..4f455bd6851 100644
--- a/sound/soc/fsl/mpc5200_psc_i2s.c
+++ b/sound/soc/fsl/mpc5200_psc_i2s.c
@@ -220,12 +220,12 @@ static struct of_device_id psc_i2s_match[] __devinitdata = {
 MODULE_DEVICE_TABLE(of, psc_i2s_match);
 
 static struct of_platform_driver psc_i2s_driver = {
-	.match_table = psc_i2s_match,
 	.probe = psc_i2s_of_probe,
 	.remove = __devexit_p(psc_i2s_of_remove),
 	.driver = {
 		.name = "mpc5200-psc-i2s",
 		.owner = THIS_MODULE,
+		.of_match_table = psc_i2s_match,
 	},
 };
 
diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c
index e3f78f255a6..6a2764ee820 100644
--- a/sound/soc/fsl/mpc8610_hpcd.c
+++ b/sound/soc/fsl/mpc8610_hpcd.c
@@ -580,9 +580,11 @@ static struct of_device_id mpc8610_hpcd_match[] = {
 MODULE_DEVICE_TABLE(of, mpc8610_hpcd_match);
 
 static struct of_platform_driver mpc8610_hpcd_of_driver = {
-	.owner  	= THIS_MODULE,
-	.name   	= "mpc8610_hpcd",
-	.match_table    = mpc8610_hpcd_match,
+	.driver = {
+		.name = "mpc8610_hpcd",
+		.owner = THIS_MODULE,
+		.of_match_table = mpc8610_hpcd_match,
+	},
 	.probe  	= mpc8610_hpcd_probe,
 	.remove 	= mpc8610_hpcd_remove,
 };
diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c
index 574af56ba8a..71221fd2094 100644
--- a/sound/sparc/amd7930.c
+++ b/sound/sparc/amd7930.c
@@ -1065,8 +1065,11 @@ static const struct of_device_id amd7930_match[] = {
 };
 
 static struct of_platform_driver amd7930_sbus_driver = {
-	.name		= "audio",
-	.match_table	= amd7930_match,
+	.driver = {
+		.name = "audio",
+		.owner = THIS_MODULE,
+		.of_match_table = amd7930_match,
+	},
 	.probe		= amd7930_sbus_probe,
 };
 
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 6a4c872e00d..fb4c6f2f29e 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -2109,8 +2109,11 @@ static const struct of_device_id cs4231_match[] = {
 MODULE_DEVICE_TABLE(of, cs4231_match);
 
 static struct of_platform_driver cs4231_driver = {
-	.name		= "audio",
-	.match_table	= cs4231_match,
+	.driver = {
+		.name = "audio",
+		.owner = THIS_MODULE,
+		.of_match_table = cs4231_match,
+	},
 	.probe		= cs4231_probe,
 	.remove		= __devexit_p(cs4231_remove),
 };
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 1b5192eb5ae..1557bf132e7 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -2687,8 +2687,11 @@ static const struct of_device_id dbri_match[] = {
 MODULE_DEVICE_TABLE(of, dbri_match);
 
 static struct of_platform_driver dbri_sbus_driver = {
-	.name		= "dbri",
-	.match_table	= dbri_match,
+	.driver = {
+		.name = "dbri",
+		.owner = THIS_MODULE,
+		.of_match_table = dbri_match,
+	},
 	.probe		= dbri_probe,
 	.remove		= __devexit_p(dbri_remove),
 };

From 44504b2bebf8b5823c59484e73096a7d6574471d Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 13 Apr 2010 16:13:22 -0700
Subject: [PATCH 2735/3638] of: change of_match_device to work with struct
 device

The of_node pointer is now stored directly in struct device, so
of_match_device() should work with any device, not just struct of_device.

This patch changes the interface to of_match_device() to accept a
struct device instead of struct of_device.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/macintosh/macio_asic.c | 5 ++---
 drivers/of/device.c            | 9 ++++-----
 drivers/of/platform.c          | 5 ++---
 include/linux/of_device.h      | 2 +-
 4 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index e3ba1d8001a..97147804a49 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -39,13 +39,12 @@ static struct macio_chip      *macio_on_hold;
 
 static int macio_bus_match(struct device *dev, struct device_driver *drv) 
 {
-	struct macio_dev * macio_dev = to_macio_device(dev);
 	const struct of_device_id * matches = drv->of_match_table;
 
 	if (!matches) 
 		return 0;
 
-	return of_match_device(matches, &macio_dev->ofdev) != NULL;
+	return of_match_device(matches, dev) != NULL;
 }
 
 struct macio_dev *macio_dev_get(struct macio_dev *dev)
@@ -83,7 +82,7 @@ static int macio_device_probe(struct device *dev)
 
 	macio_dev_get(macio_dev);
 
-	match = of_match_device(drv->driver.of_match_table, &macio_dev->ofdev);
+	match = of_match_device(drv->driver.of_match_table, dev);
 	if (match)
 		error = drv->probe(macio_dev, match);
 	if (error)
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 24068bbbce1..7d18f8e0b01 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -10,8 +10,7 @@
 #include <asm/errno.h>
 
 /**
- * of_match_device - Tell if an of_device structure has a matching
- * of_match structure
+ * of_match_device - Tell if a struct device matches an of_device_id list
  * @ids: array of of device match structures to search in
  * @dev: the of device structure to match against
  *
@@ -19,11 +18,11 @@
  * system is in its list of supported devices.
  */
 const struct of_device_id *of_match_device(const struct of_device_id *matches,
-					const struct of_device *dev)
+					   const struct device *dev)
 {
-	if (!dev->dev.of_node)
+	if (!dev->of_node)
 		return NULL;
-	return of_match_node(matches, dev->dev.of_node);
+	return of_match_node(matches, dev->of_node);
 }
 EXPORT_SYMBOL(of_match_device);
 
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index ba402c613ed..7dacc1ebe91 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -21,13 +21,12 @@ extern struct device_attribute of_platform_device_attrs[];
 
 static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
 {
-	struct of_device *of_dev = to_of_device(dev);
 	const struct of_device_id *matches = drv->of_match_table;
 
 	if (!matches)
 		return 0;
 
-	return of_match_device(matches, of_dev) != NULL;
+	return of_match_device(matches, dev) != NULL;
 }
 
 static int of_platform_device_probe(struct device *dev)
@@ -45,7 +44,7 @@ static int of_platform_device_probe(struct device *dev)
 
 	of_dev_get(of_dev);
 
-	match = of_match_device(drv->driver.of_match_table, of_dev);
+	match = of_match_device(drv->driver.of_match_table, dev);
 	if (match)
 		error = drv->probe(of_dev, match);
 	if (error)
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index e7904a9cd3a..11651facc5f 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -11,7 +11,7 @@
 #define	to_of_device(d) container_of(d, struct of_device, dev)
 
 extern const struct of_device_id *of_match_device(
-	const struct of_device_id *matches, const struct of_device *dev);
+	const struct of_device_id *matches, const struct device *dev);
 
 extern struct of_device *of_dev_get(struct of_device *dev);
 extern void of_dev_put(struct of_device *dev);

From b2e25838c5f3508ccd6184be65aca228fc600540 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Wed, 19 May 2010 23:12:19 +0000
Subject: [PATCH 2736/3638] sh: remove duplicated #include

Remove duplicated #include('s) in
  arch/sh/kernel/cpu/sh4a/clock-sh7786.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh4a/clock-sh7786.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
index 105a6d41b56..597c9fbe49c 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
@@ -13,7 +13,6 @@
 #include <linux/kernel.h>
 #include <linux/clk.h>
 #include <linux/io.h>
-#include <linux/clk.h>
 #include <asm/clkdev.h>
 #include <asm/clock.h>
 #include <asm/freq.h>

From d8252d6272682096835b4e1ef714cb1b593aa7fb Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 20 May 2010 20:46:27 +0900
Subject: [PATCH 2737/3638] sh: fix up the dwarf unwinder build for MODULES=n.

Presently the dwarf unwinder build blows up if modules are disabled,
fix it up.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/dwarf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 5ec1d181869..886d7d83ace 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -845,8 +845,10 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
 	rb_link_node(&cie->node, parent, rb_node);
 	rb_insert_color(&cie->node, &cie_root);
 
+#ifdef CONFIG_MODULES
 	if (mod != NULL)
 		list_add_tail(&cie->link, &mod->arch.cie_list);
+#endif
 
 	spin_unlock_irqrestore(&dwarf_cie_lock, flags);
 
@@ -935,8 +937,10 @@ static int dwarf_parse_fde(void *entry, u32 entry_type,
 	rb_link_node(&fde->node, parent, rb_node);
 	rb_insert_color(&fde->node, &fde_root);
 
+#ifdef CONFIG_MODULES
 	if (mod != NULL)
 		list_add_tail(&fde->link, &mod->arch.fde_list);
+#endif
 
 	spin_unlock_irqrestore(&dwarf_fde_lock, flags);
 

From aee5ab0bbd224b618408cacfcc656699feec4230 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 21 Apr 2010 08:45:25 +0000
Subject: [PATCH 2738/3638] sh: add Video Output Unit and AK8813 video encoder
 support on ecovec

Ecovec uses the AK8813 video envoder similarly to the ms7724se platform with
the only difference, that on ecovec GPIOs are used for resetting and powering
up and down the chip.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-ecovec24/setup.c | 78 ++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 62123885a6f..7bca7811803 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -769,6 +769,51 @@ static struct platform_device irda_device = {
 	.resource       = irda_resources,
 };
 
+#include <media/ak881x.h>
+#include <media/sh_vou.h>
+
+struct ak881x_pdata ak881x_pdata = {
+	.flags = AK881X_IF_MODE_SLAVE,
+};
+
+static struct i2c_board_info ak8813 = {
+	I2C_BOARD_INFO("ak8813", 0x20),
+	.platform_data = &ak881x_pdata,
+};
+
+struct sh_vou_pdata sh_vou_pdata = {
+	.bus_fmt	= SH_VOU_BUS_8BIT,
+	.flags		= SH_VOU_HSYNC_LOW | SH_VOU_VSYNC_LOW,
+	.board_info	= &ak8813,
+	.i2c_adap	= 0,
+	.module_name	= "ak881x",
+};
+
+static struct resource sh_vou_resources[] = {
+	[0] = {
+		.start  = 0xfe960000,
+		.end    = 0xfe962043,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 55,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device vou_device = {
+	.name           = "sh-vou",
+	.id		= -1,
+	.num_resources  = ARRAY_SIZE(sh_vou_resources),
+	.resource       = sh_vou_resources,
+	.dev		= {
+		.platform_data	= &sh_vou_pdata,
+	},
+	.archdata	= {
+		.hwblk_id	= HWBLK_VOU,
+	},
+};
+
 static struct platform_device *ecovec_devices[] __initdata = {
 	&heartbeat_device,
 	&nor_flash_device,
@@ -790,6 +835,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
 	&camera_devices[2],
 	&fsi_device,
 	&irda_device,
+	&vou_device,
 };
 
 #ifdef CONFIG_I2C
@@ -1179,6 +1225,38 @@ static int __init arch_setup(void)
 	i2c_register_board_info(1, i2c1_devices,
 				ARRAY_SIZE(i2c1_devices));
 
+	/* VOU */
+	gpio_request(GPIO_FN_DV_D15, NULL);
+	gpio_request(GPIO_FN_DV_D14, NULL);
+	gpio_request(GPIO_FN_DV_D13, NULL);
+	gpio_request(GPIO_FN_DV_D12, NULL);
+	gpio_request(GPIO_FN_DV_D11, NULL);
+	gpio_request(GPIO_FN_DV_D10, NULL);
+	gpio_request(GPIO_FN_DV_D9, NULL);
+	gpio_request(GPIO_FN_DV_D8, NULL);
+	gpio_request(GPIO_FN_DV_CLKI, NULL);
+	gpio_request(GPIO_FN_DV_CLK, NULL);
+	gpio_request(GPIO_FN_DV_VSYNC, NULL);
+	gpio_request(GPIO_FN_DV_HSYNC, NULL);
+
+	/* AK8813 power / reset sequence */
+	gpio_request(GPIO_PTG4, NULL);
+	gpio_request(GPIO_PTU3, NULL);
+	/* Reset */
+	gpio_direction_output(GPIO_PTG4, 0);
+	/* Power down */
+	gpio_direction_output(GPIO_PTU3, 1);
+
+	udelay(10);
+
+	/* Power up, reset */
+	gpio_set_value(GPIO_PTU3, 0);
+
+	udelay(10);
+
+	/* Remove reset */
+	gpio_set_value(GPIO_PTG4, 1);
+
 	return platform_add_devices(ecovec_devices,
 				    ARRAY_SIZE(ecovec_devices));
 }

From 2d151248286d438e97ebb22ff676423df299da86 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Mon, 29 Mar 2010 07:45:28 +0000
Subject: [PATCH 2739/3638] sh: add Video Output Unit (VOU) and AK8813
 TV-encoder support to ms7724se

Add platform bindings, GPIO initialisation and allocation and AK8813 reset code
to ms7724se.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-se/7724/setup.c | 90 ++++++++++++++++++++++++++---
 1 file changed, 82 insertions(+), 8 deletions(-)

diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index e74ae7b0d8b..60f0387a69d 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -515,6 +515,52 @@ static struct platform_device irda_device = {
 	.resource       = irda_resources,
 };
 
+#include <media/ak881x.h>
+#include <media/sh_vou.h>
+
+struct ak881x_pdata ak881x_pdata = {
+	.flags = AK881X_IF_MODE_SLAVE,
+};
+
+static struct i2c_board_info ak8813 = {
+	/* With open J18 jumper address is 0x21 */
+	I2C_BOARD_INFO("ak8813", 0x20),
+	.platform_data = &ak881x_pdata,
+};
+
+struct sh_vou_pdata sh_vou_pdata = {
+	.bus_fmt	= SH_VOU_BUS_8BIT,
+	.flags		= SH_VOU_HSYNC_LOW | SH_VOU_VSYNC_LOW,
+	.board_info	= &ak8813,
+	.i2c_adap	= 0,
+	.module_name	= "ak881x",
+};
+
+static struct resource sh_vou_resources[] = {
+	[0] = {
+		.start  = 0xfe960000,
+		.end    = 0xfe962043,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 55,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device vou_device = {
+	.name           = "sh-vou",
+	.id		= -1,
+	.num_resources  = ARRAY_SIZE(sh_vou_resources),
+	.resource       = sh_vou_resources,
+	.dev		= {
+		.platform_data	= &sh_vou_pdata,
+	},
+	.archdata	= {
+		.hwblk_id	= HWBLK_VOU,
+	},
+};
+
 static struct platform_device *ms7724se_devices[] __initdata = {
 	&heartbeat_device,
 	&smc91x_eth_device,
@@ -530,6 +576,7 @@ static struct platform_device *ms7724se_devices[] __initdata = {
 	&sdhi0_cn7_device,
 	&sdhi1_cn8_device,
 	&irda_device,
+	&vou_device,
 };
 
 /* I2C device */
@@ -614,6 +661,7 @@ static int __init devices_setup(void)
 {
 	u16 sw = __raw_readw(SW4140); /* select camera, monitor */
 	struct clk *clk;
+	u16 fpga_out;
 
 	/* register board specific self-refresh code */
 	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
@@ -623,14 +671,26 @@ static int __init devices_setup(void)
 					&ms7724se_sdram_leave_start,
 					&ms7724se_sdram_leave_end);
 	/* Reset Release */
-	__raw_writew(__raw_readw(FPGA_OUT) &
-		  ~((1 << 1)  | /* LAN */
-		    (1 << 6)  | /* VIDEO DAC */
-		    (1 << 7)  | /* AK4643 */
-		    (1 << 8)  | /* IrDA */
-		    (1 << 12) | /* USB0 */
-		    (1 << 14)), /* RMII */
-		  FPGA_OUT);
+	fpga_out = __raw_readw(FPGA_OUT);
+	/* bit4: NTSC_PDN, bit5: NTSC_RESET */
+	fpga_out &= ~((1 << 1)  | /* LAN */
+		      (1 << 4)  | /* AK8813 PDN */
+		      (1 << 5)  | /* AK8813 RESET */
+		      (1 << 6)  | /* VIDEO DAC */
+		      (1 << 7)  | /* AK4643 */
+		      (1 << 8)  | /* IrDA */
+		      (1 << 12) | /* USB0 */
+		      (1 << 14)); /* RMII */
+	__raw_writew(fpga_out | (1 << 4), FPGA_OUT);
+
+	udelay(10);
+
+	/* AK8813 RESET */
+	__raw_writew(fpga_out | (1 << 5), FPGA_OUT);
+
+	udelay(10);
+
+	__raw_writew(fpga_out, FPGA_OUT);
 
 	/* turn on USB clocks, use external clock */
 	__raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
@@ -862,6 +922,20 @@ static int __init devices_setup(void)
 		lcdc_info.ch[0].flags          = LCDC_FLAGS_DWPOL;
 	}
 
+	/* VOU */
+	gpio_request(GPIO_FN_DV_D15, NULL);
+	gpio_request(GPIO_FN_DV_D14, NULL);
+	gpio_request(GPIO_FN_DV_D13, NULL);
+	gpio_request(GPIO_FN_DV_D12, NULL);
+	gpio_request(GPIO_FN_DV_D11, NULL);
+	gpio_request(GPIO_FN_DV_D10, NULL);
+	gpio_request(GPIO_FN_DV_D9, NULL);
+	gpio_request(GPIO_FN_DV_D8, NULL);
+	gpio_request(GPIO_FN_DV_CLKI, NULL);
+	gpio_request(GPIO_FN_DV_CLK, NULL);
+	gpio_request(GPIO_FN_DV_VSYNC, NULL);
+	gpio_request(GPIO_FN_DV_HSYNC, NULL);
+
 	return platform_add_devices(ms7724se_devices,
 				    ARRAY_SIZE(ms7724se_devices));
 }

From 10440af1bc8082c78186e7f4ea94124acee6625e Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:33:54 +0000
Subject: [PATCH 2740/3638] sh: define DMA slaves per CPU type, remove now
 redundant header

Now that DMA slave IDs are only used used in platform specific code and have
become opaque cookies for the rest of the code, we can make the, CPU specific
too.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/dmaengine.h        | 34 --------------------------
 arch/sh/include/asm/siu.h              |  2 --
 arch/sh/include/cpu-sh4/cpu/sh7722.h   | 15 ++++++++++++
 arch/sh/include/cpu-sh4/cpu/sh7724.h   | 19 ++++++++++++++
 arch/sh/kernel/cpu/sh4a/setup-sh7722.c |  1 -
 arch/sh/kernel/cpu/sh4a/setup-sh7724.c |  2 +-
 arch/sh/kernel/cpu/sh4a/setup-sh7780.c |  3 +--
 arch/sh/kernel/cpu/sh4a/setup-sh7785.c |  2 +-
 sound/soc/sh/siu.h                     |  3 +--
 sound/soc/sh/siu_pcm.c                 |  9 +++----
 10 files changed, 42 insertions(+), 48 deletions(-)
 delete mode 100644 arch/sh/include/asm/dmaengine.h

diff --git a/arch/sh/include/asm/dmaengine.h b/arch/sh/include/asm/dmaengine.h
deleted file mode 100644
index 2a02b611a9a..00000000000
--- a/arch/sh/include/asm/dmaengine.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Header for the new SH dmaengine driver
- *
- * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef ASM_DMAENGINE_H
-#define ASM_DMAENGINE_H
-
-#include <linux/sh_dma.h>
-
-enum {
-	SHDMA_SLAVE_SCIF0_TX,
-	SHDMA_SLAVE_SCIF0_RX,
-	SHDMA_SLAVE_SCIF1_TX,
-	SHDMA_SLAVE_SCIF1_RX,
-	SHDMA_SLAVE_SCIF2_TX,
-	SHDMA_SLAVE_SCIF2_RX,
-	SHDMA_SLAVE_SCIF3_TX,
-	SHDMA_SLAVE_SCIF3_RX,
-	SHDMA_SLAVE_SCIF4_TX,
-	SHDMA_SLAVE_SCIF4_RX,
-	SHDMA_SLAVE_SCIF5_TX,
-	SHDMA_SLAVE_SCIF5_RX,
-	SHDMA_SLAVE_SIUA_TX,
-	SHDMA_SLAVE_SIUA_RX,
-	SHDMA_SLAVE_SIUB_TX,
-	SHDMA_SLAVE_SIUB_RX,
-};
-
-#endif
diff --git a/arch/sh/include/asm/siu.h b/arch/sh/include/asm/siu.h
index e8d4142baf5..1d95c78808d 100644
--- a/arch/sh/include/asm/siu.h
+++ b/arch/sh/include/asm/siu.h
@@ -11,8 +11,6 @@
 #ifndef ASM_SIU_H
 #define ASM_SIU_H
 
-#include <asm/dmaengine.h>
-
 struct device;
 
 struct siu_platform {
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7722.h b/arch/sh/include/cpu-sh4/cpu/sh7722.h
index 48560407cbe..7a5b8a331b4 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7722.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7722.h
@@ -235,4 +235,19 @@ enum {
 	HWBLK_NR,
 };
 
+enum {
+	SHDMA_SLAVE_SCIF0_TX,
+	SHDMA_SLAVE_SCIF0_RX,
+	SHDMA_SLAVE_SCIF1_TX,
+	SHDMA_SLAVE_SCIF1_RX,
+	SHDMA_SLAVE_SCIF2_TX,
+	SHDMA_SLAVE_SCIF2_RX,
+	SHDMA_SLAVE_SIUA_TX,
+	SHDMA_SLAVE_SIUA_RX,
+	SHDMA_SLAVE_SIUB_TX,
+	SHDMA_SLAVE_SIUB_RX,
+	SHDMA_SLAVE_SDHI0_TX,
+	SHDMA_SLAVE_SDHI0_RX,
+};
+
 #endif /* __ASM_SH7722_H__ */
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h
index 0cd1f71a111..fbbf550cc52 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7724.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h
@@ -283,4 +283,23 @@ enum {
 	HWBLK_NR,
 };
 
+enum {
+	SHDMA_SLAVE_SCIF0_TX,
+	SHDMA_SLAVE_SCIF0_RX,
+	SHDMA_SLAVE_SCIF1_TX,
+	SHDMA_SLAVE_SCIF1_RX,
+	SHDMA_SLAVE_SCIF2_TX,
+	SHDMA_SLAVE_SCIF2_RX,
+	SHDMA_SLAVE_SCIF3_TX,
+	SHDMA_SLAVE_SCIF3_RX,
+	SHDMA_SLAVE_SCIF4_TX,
+	SHDMA_SLAVE_SCIF4_RX,
+	SHDMA_SLAVE_SCIF5_TX,
+	SHDMA_SLAVE_SCIF5_RX,
+	SHDMA_SLAVE_SDHI0_TX,
+	SHDMA_SLAVE_SDHI0_RX,
+	SHDMA_SLAVE_SDHI1_TX,
+	SHDMA_SLAVE_SDHI1_RX,
+};
+
 #endif /* __ASM_SH7724_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 24c6167a718..c7219de6c4e 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -17,7 +17,6 @@
 #include <linux/usb/m66592.h>
 
 #include <asm/clock.h>
-#include <asm/dmaengine.h>
 #include <asm/mmzone.h>
 #include <asm/siu.h>
 
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index 89fe16d20fd..abd4c2e501d 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -18,13 +18,13 @@
 #include <linux/mm.h>
 #include <linux/serial_sci.h>
 #include <linux/uio_driver.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_timer.h>
 #include <linux/io.h>
 #include <linux/notifier.h>
 
 #include <asm/suspend.h>
 #include <asm/clock.h>
-#include <asm/dmaengine.h>
 #include <asm/mmzone.h>
 
 #include <cpu/dma-register.h>
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index b12f537e4dd..0f414864f76 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -12,10 +12,9 @@
 #include <linux/serial.h>
 #include <linux/io.h>
 #include <linux/serial_sci.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_timer.h>
 
-#include <asm/dmaengine.h>
-
 #include <cpu/dma-register.h>
 
 static struct plat_sci_port scif0_platform_data = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index f3e3ea0ce05..c9a572bc6dc 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -13,9 +13,9 @@
 #include <linux/serial_sci.h>
 #include <linux/io.h>
 #include <linux/mm.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_timer.h>
 
-#include <asm/dmaengine.h>
 #include <asm/mmzone.h>
 
 #include <cpu/dma-register.h>
diff --git a/sound/soc/sh/siu.h b/sound/soc/sh/siu.h
index c0bfab8fed3..492b1cae24c 100644
--- a/sound/soc/sh/siu.h
+++ b/sound/soc/sh/siu.h
@@ -71,8 +71,7 @@ struct siu_firmware {
 #include <linux/dmaengine.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
-
-#include <asm/dmaengine.h>
+#include <linux/sh_dma.h>
 
 #include <sound/core.h>
 #include <sound/pcm.h>
diff --git a/sound/soc/sh/siu_pcm.c b/sound/soc/sh/siu_pcm.c
index 8f85719212f..36170be15aa 100644
--- a/sound/soc/sh/siu_pcm.c
+++ b/sound/soc/sh/siu_pcm.c
@@ -31,7 +31,6 @@
 #include <sound/pcm_params.h>
 #include <sound/soc-dai.h>
 
-#include <asm/dmaengine.h>
 #include <asm/siu.h>
 
 #include "siu.h"
@@ -358,13 +357,13 @@ static int siu_pcm_open(struct snd_pcm_substream *ss)
 	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		siu_stream = &port_info->playback;
 		param = &siu_stream->param;
-		param->slave_id = port ? SHDMA_SLAVE_SIUB_TX :
-			SHDMA_SLAVE_SIUA_TX;
+		param->slave_id = port ? pdata->dma_slave_tx_b :
+			pdata->dma_slave_tx_a;
 	} else {
 		siu_stream = &port_info->capture;
 		param = &siu_stream->param;
-		param->slave_id = port ? SHDMA_SLAVE_SIUB_RX :
-			SHDMA_SLAVE_SIUA_RX;
+		param->slave_id = port ? pdata->dma_slave_rx_b :
+			pdata->dma_slave_rx_a;
 	}
 
 	param->dma_dev = pdata->dma_dev;

From afd46501586a399bba73e4a5879e8a864ad083fe Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:33:59 +0000
Subject: [PATCH 2741/3638] sh: add DMA slaves for two SDHI controllers to
 sh7722

SuperH SDHI controllers can use DMA, add slave definitions to sh7722.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index c7219de6c4e..156ccc96001 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -74,6 +74,16 @@ static const struct sh_dmae_slave_config sh7722_dmae_slaves[] = {
 		.addr		= 0xa454c094,
 		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
 		.mid_rid	= 0xb6,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI0_TX,
+		.addr		= 0x04ce0030,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.mid_rid	= 0xc1,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI0_RX,
+		.addr		= 0x04ce0030,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.mid_rid	= 0xc2,
 	},
 };
 

From d62b8a985b74ac741233396b847562dacc45a5c1 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:34:03 +0000
Subject: [PATCH 2742/3638] sh: add DMA slave definitions to sh7724

Add a list of SCIF and SDHI DMA slave definitions to sh7724.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh4a/setup-sh7724.c | 86 ++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index abd4c2e501d..79c556e5626 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -31,6 +31,90 @@
 #include <cpu/sh7724.h>
 
 /* DMA */
+static const struct sh_dmae_slave_config sh7724_dmae_slaves[] = {
+	{
+		.slave_id	= SHDMA_SLAVE_SCIF0_TX,
+		.addr		= 0xffe0000c,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x21,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF0_RX,
+		.addr		= 0xffe00014,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x22,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF1_TX,
+		.addr		= 0xffe1000c,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x25,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF1_RX,
+		.addr		= 0xffe10014,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x26,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF2_TX,
+		.addr		= 0xffe2000c,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x29,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF2_RX,
+		.addr		= 0xffe20014,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x2a,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF3_TX,
+		.addr		= 0xa4e30020,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x2d,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF3_RX,
+		.addr		= 0xa4e30024,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x2e,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF4_TX,
+		.addr		= 0xa4e40020,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x31,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF4_RX,
+		.addr		= 0xa4e40024,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x32,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF5_TX,
+		.addr		= 0xa4e50020,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x35,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF5_RX,
+		.addr		= 0xa4e50024,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x36,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI0_TX,
+		.addr		= 0x04ce0030,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.mid_rid	= 0xc1,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI0_RX,
+		.addr		= 0x04ce0030,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.mid_rid	= 0xc2,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI1_TX,
+		.addr		= 0x04cf0030,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.mid_rid	= 0xc9,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI1_RX,
+		.addr		= 0x04cf0030,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.mid_rid	= 0xca,
+	},
+};
+
 static const struct sh_dmae_channel sh7724_dmae_channels[] = {
 	{
 		.offset = 0,
@@ -62,6 +146,8 @@ static const struct sh_dmae_channel sh7724_dmae_channels[] = {
 static const unsigned int ts_shift[] = TS_SHIFT;
 
 static struct sh_dmae_pdata dma_platform_data = {
+	.slave		= sh7724_dmae_slaves,
+	.slave_num	= ARRAY_SIZE(sh7724_dmae_slaves),
 	.channel	= sh7724_dmae_channels,
 	.channel_num	= ARRAY_SIZE(sh7724_dmae_channels),
 	.ts_low_shift	= CHCR_TS_LOW_SHIFT,

From 42a4533976d922ff3272fad17dd52fe3682899dd Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:34:11 +0000
Subject: [PATCH 2743/3638] mmc: prepare tmio_mmc for passing of DMA
 configuration from the MFD cell

After this patch, if the "dma" pointer in struct tmio_mmc_data is not NULL, it
points to a struct, containing two tokens, that have to be passed to the
dmaengine driver for channel configuration.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 include/linux/mfd/tmio.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index c3f7dff8eff..360fc953d7b 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -55,12 +55,18 @@ int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
 void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
 void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
 
+struct tmio_mmc_dma {
+	void *chan_priv_tx;
+	void *chan_priv_rx;
+};
+
 /*
  * data for the MMC controller
  */
 struct tmio_mmc_data {
 	unsigned int			hclk;
 	unsigned long			capabilities;
+	struct tmio_mmc_dma		*dma;
 	void (*set_pwr)(struct platform_device *host, int state);
 	void (*set_clk_div)(struct platform_device *host, int state);
 };

From 056676dabd9f4c69a6adcad208e9aa2ca7241400 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:34:16 +0000
Subject: [PATCH 2744/3638] sh: prepare the SDHI MFD driver to pass DMA
 configuration to tmio_mmc.c

Pass DMA slave IDs from platform down to the tmio_mmc driver, to be used
for dmaengine configuration.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/mfd/sh_mobile_sdhi.c       | 24 ++++++++++++++++++++----
 include/linux/mfd/sh_mobile_sdhi.h |  2 ++
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c
index 497f91b6138..555374db866 100644
--- a/drivers/mfd/sh_mobile_sdhi.c
+++ b/drivers/mfd/sh_mobile_sdhi.c
@@ -26,11 +26,15 @@
 #include <linux/mfd/core.h>
 #include <linux/mfd/tmio.h>
 #include <linux/mfd/sh_mobile_sdhi.h>
+#include <linux/sh_dma.h>
 
 struct sh_mobile_sdhi {
 	struct clk *clk;
 	struct tmio_mmc_data mmc_data;
 	struct mfd_cell cell_mmc;
+	struct sh_dmae_slave param_tx;
+	struct sh_dmae_slave param_rx;
+	struct tmio_mmc_dma dma_priv;
 };
 
 static struct resource sh_mobile_sdhi_resources[] = {
@@ -64,6 +68,8 @@ static void sh_mobile_sdhi_set_pwr(struct platform_device *tmio, int state)
 static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
 {
 	struct sh_mobile_sdhi *priv;
+	struct tmio_mmc_data *mmc_data;
+	struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
 	struct resource *mem;
 	char clk_name[8];
 	int ret, irq;
@@ -85,6 +91,8 @@ static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	mmc_data = &priv->mmc_data;
+
 	snprintf(clk_name, sizeof(clk_name), "sdhi%d", pdev->id);
 	priv->clk = clk_get(&pdev->dev, clk_name);
 	if (IS_ERR(priv->clk)) {
@@ -96,12 +104,20 @@ static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
 
 	clk_enable(priv->clk);
 
-	priv->mmc_data.hclk = clk_get_rate(priv->clk);
-	priv->mmc_data.set_pwr = sh_mobile_sdhi_set_pwr;
-	priv->mmc_data.capabilities = MMC_CAP_MMC_HIGHSPEED;
+	mmc_data->hclk = clk_get_rate(priv->clk);
+	mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
+	mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
+
+	if (p && p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {
+		priv->param_tx.slave_id = p->dma_slave_tx;
+		priv->param_rx.slave_id = p->dma_slave_rx;
+		priv->dma_priv.chan_priv_tx = &priv->param_tx;
+		priv->dma_priv.chan_priv_rx = &priv->param_rx;
+		mmc_data->dma = &priv->dma_priv;
+	}
 
 	memcpy(&priv->cell_mmc, &sh_mobile_sdhi_cell, sizeof(priv->cell_mmc));
-	priv->cell_mmc.driver_data = &priv->mmc_data;
+	priv->cell_mmc.driver_data = mmc_data;
 	priv->cell_mmc.platform_data = &priv->cell_mmc;
 	priv->cell_mmc.data_size = sizeof(priv->cell_mmc);
 
diff --git a/include/linux/mfd/sh_mobile_sdhi.h b/include/linux/mfd/sh_mobile_sdhi.h
index 3bcd7163485..c305461e7f4 100644
--- a/include/linux/mfd/sh_mobile_sdhi.h
+++ b/include/linux/mfd/sh_mobile_sdhi.h
@@ -2,6 +2,8 @@
 #define __SH_MOBILE_SDHI_H__
 
 struct sh_mobile_sdhi_info {
+	int dma_slave_tx;
+	int dma_slave_rx;
 	void (*set_pwr)(struct platform_device *pdev, int state);
 };
 

From 311f3ac76826bfd8ed6213ded91ec947df164def Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:34:22 +0000
Subject: [PATCH 2745/3638] mmc: add DMA support to tmio_mmc driver, when used
 on SuperH

SDHI controllers on SuperH, served by the tmio_mmc driver, can use slave DMA
for data transfer. This patch adds support for the dmaengine API to the
tmio_mmc driver.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/mfd/Kconfig         |   6 +
 drivers/mmc/host/tmio_mmc.c | 359 +++++++++++++++++++++++++++++++++---
 drivers/mmc/host/tmio_mmc.h |  13 ++
 3 files changed, 348 insertions(+), 30 deletions(-)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index de3e74cde51..3c6a9860dd9 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -49,6 +49,7 @@ config MFD_SH_MOBILE_SDHI
 	bool "Support for SuperH Mobile SDHI"
 	depends on SUPERH || ARCH_SHMOBILE
 	select MFD_CORE
+	select TMIO_MMC_DMA
 	 ---help---
 	  This driver supports the SDHI hardware block found in many
 	  SuperH Mobile SoCs.
@@ -162,6 +163,11 @@ config MFD_TMIO
 	bool
 	default n
 
+config TMIO_MMC_DMA
+	bool
+	select DMA_ENGINE
+	select DMADEVICES
+
 config MFD_T7L66XB
 	bool "Support Toshiba T7L66XB"
 	depends on ARM && HAVE_CLK
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index b2b577f6afd..3ecd41875fa 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -29,6 +29,7 @@
 #include <linux/irq.h>
 #include <linux/device.h>
 #include <linux/delay.h>
+#include <linux/dmaengine.h>
 #include <linux/mmc/host.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/tmio.h>
@@ -131,8 +132,8 @@ tmio_mmc_start_command(struct tmio_mmc_host *host, struct mmc_command *cmd)
 
 	host->cmd = cmd;
 
-/* FIXME - this seems to be ok comented out but the spec suggest this bit should
- *         be set when issuing app commands.
+/* FIXME - this seems to be ok commented out but the spec suggest this bit
+ *         should be set when issuing app commands.
  *	if(cmd->flags & MMC_FLAG_ACMD)
  *		c |= APP_CMD;
  */
@@ -155,12 +156,12 @@ tmio_mmc_start_command(struct tmio_mmc_host *host, struct mmc_command *cmd)
 	return 0;
 }
 
-/* This chip always returns (at least?) as much data as you ask for.
+/*
+ * This chip always returns (at least?) as much data as you ask for.
  * I'm unsure what happens if you ask for less than a block. This should be
  * looked into to ensure that a funny length read doesnt hose the controller.
- *
  */
-static inline void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
+static void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
 {
 	struct mmc_data *data = host->data;
 	unsigned short *buf;
@@ -180,7 +181,7 @@ static inline void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
 		count = data->blksz;
 
 	pr_debug("count: %08x offset: %08x flags %08x\n",
-	    count, host->sg_off, data->flags);
+		 count, host->sg_off, data->flags);
 
 	/* Transfer the data */
 	if (data->flags & MMC_DATA_READ)
@@ -198,7 +199,7 @@ static inline void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
 	return;
 }
 
-static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host)
+static void tmio_mmc_do_data_irq(struct tmio_mmc_host *host)
 {
 	struct mmc_data *data = host->data;
 	struct mmc_command *stop;
@@ -206,7 +207,7 @@ static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host)
 	host->data = NULL;
 
 	if (!data) {
-		pr_debug("Spurious data end IRQ\n");
+		dev_warn(&host->pdev->dev, "Spurious data end IRQ\n");
 		return;
 	}
 	stop = data->stop;
@@ -219,7 +220,8 @@ static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host)
 
 	pr_debug("Completed data request\n");
 
-	/*FIXME - other drivers allow an optional stop command of any given type
+	/*
+	 * FIXME: other drivers allow an optional stop command of any given type
 	 *        which we dont do, as the chip can auto generate them.
 	 *        Perhaps we can be smarter about when to use auto CMD12 and
 	 *        only issue the auto request when we know this is the desired
@@ -227,10 +229,17 @@ static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host)
 	 *        upper layers expect. For now, we do what works.
 	 */
 
-	if (data->flags & MMC_DATA_READ)
-		disable_mmc_irqs(host, TMIO_MASK_READOP);
-	else
-		disable_mmc_irqs(host, TMIO_MASK_WRITEOP);
+	if (data->flags & MMC_DATA_READ) {
+		if (!host->chan_rx)
+			disable_mmc_irqs(host, TMIO_MASK_READOP);
+		dev_dbg(&host->pdev->dev, "Complete Rx request %p\n",
+			host->mrq);
+	} else {
+		if (!host->chan_tx)
+			disable_mmc_irqs(host, TMIO_MASK_WRITEOP);
+		dev_dbg(&host->pdev->dev, "Complete Tx request %p\n",
+			host->mrq);
+	}
 
 	if (stop) {
 		if (stop->opcode == 12 && !stop->arg)
@@ -242,7 +251,35 @@ static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host)
 	tmio_mmc_finish_request(host);
 }
 
-static inline void tmio_mmc_cmd_irq(struct tmio_mmc_host *host,
+static void tmio_mmc_data_irq(struct tmio_mmc_host *host)
+{
+	struct mmc_data *data = host->data;
+
+	if (!data)
+		return;
+
+	if (host->chan_tx && (data->flags & MMC_DATA_WRITE)) {
+		/*
+		 * Has all data been written out yet? Testing on SuperH showed,
+		 * that in most cases the first interrupt comes already with the
+		 * BUSY status bit clear, but on some operations, like mount or
+		 * in the beginning of a write / sync / umount, there is one
+		 * DATAEND interrupt with the BUSY bit set, in this cases
+		 * waiting for one more interrupt fixes the problem.
+		 */
+		if (!(sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_CMD_BUSY)) {
+			disable_mmc_irqs(host, TMIO_STAT_DATAEND);
+			tasklet_schedule(&host->dma_complete);
+		}
+	} else if (host->chan_rx && (data->flags & MMC_DATA_READ)) {
+		disable_mmc_irqs(host, TMIO_STAT_DATAEND);
+		tasklet_schedule(&host->dma_complete);
+	} else {
+		tmio_mmc_do_data_irq(host);
+	}
+}
+
+static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host,
 	unsigned int stat)
 {
 	struct mmc_command *cmd = host->cmd;
@@ -282,10 +319,16 @@ static inline void tmio_mmc_cmd_irq(struct tmio_mmc_host *host,
 	 * If theres no data or we encountered an error, finish now.
 	 */
 	if (host->data && !cmd->error) {
-		if (host->data->flags & MMC_DATA_READ)
-			enable_mmc_irqs(host, TMIO_MASK_READOP);
-		else
-			enable_mmc_irqs(host, TMIO_MASK_WRITEOP);
+		if (host->data->flags & MMC_DATA_READ) {
+			if (!host->chan_rx)
+				enable_mmc_irqs(host, TMIO_MASK_READOP);
+		} else {
+			struct dma_chan *chan = host->chan_tx;
+			if (!chan)
+				enable_mmc_irqs(host, TMIO_MASK_WRITEOP);
+			else
+				tasklet_schedule(&host->dma_issue);
+		}
 	} else {
 		tmio_mmc_finish_request(host);
 	}
@@ -293,7 +336,6 @@ static inline void tmio_mmc_cmd_irq(struct tmio_mmc_host *host,
 	return;
 }
 
-
 static irqreturn_t tmio_mmc_irq(int irq, void *devid)
 {
 	struct tmio_mmc_host *host = devid;
@@ -311,7 +353,7 @@ static irqreturn_t tmio_mmc_irq(int irq, void *devid)
 	if (!ireg) {
 		disable_mmc_irqs(host, status & ~irq_mask);
 
-		pr_debug("tmio_mmc: Spurious irq, disabling! "
+		pr_warning("tmio_mmc: Spurious irq, disabling! "
 			"0x%08x 0x%08x 0x%08x\n", status, irq_mask, ireg);
 		pr_debug_status(status);
 
@@ -363,16 +405,265 @@ out:
 	return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_TMIO_MMC_DMA
+static void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable)
+{
+#if defined(CONFIG_SUPERH) || defined(CONFIG_ARCH_SHMOBILE)
+	/* Switch DMA mode on or off - SuperH specific? */
+	sd_ctrl_write16(host, 0xd8, enable ? 2 : 0);
+#endif
+}
+
+static void tmio_dma_complete(void *arg)
+{
+	struct tmio_mmc_host *host = arg;
+
+	dev_dbg(&host->pdev->dev, "Command completed\n");
+
+	if (!host->data)
+		dev_warn(&host->pdev->dev, "NULL data in DMA completion!\n");
+	else
+		enable_mmc_irqs(host, TMIO_STAT_DATAEND);
+}
+
+static int tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
+{
+	struct scatterlist *sg = host->sg_ptr;
+	struct dma_async_tx_descriptor *desc = NULL;
+	struct dma_chan *chan = host->chan_rx;
+	int ret;
+
+	ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, DMA_FROM_DEVICE);
+	if (ret > 0) {
+		host->dma_sglen = ret;
+		desc = chan->device->device_prep_slave_sg(chan, sg, ret,
+			DMA_FROM_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+	}
+
+	if (desc) {
+		host->desc = desc;
+		desc->callback = tmio_dma_complete;
+		desc->callback_param = host;
+		host->cookie = desc->tx_submit(desc);
+		if (host->cookie < 0) {
+			host->desc = NULL;
+			ret = host->cookie;
+		} else {
+			chan->device->device_issue_pending(chan);
+		}
+	}
+	dev_dbg(&host->pdev->dev, "%s(): mapped %d -> %d, cookie %d, rq %p\n",
+		__func__, host->sg_len, ret, host->cookie, host->mrq);
+
+	if (!host->desc) {
+		/* DMA failed, fall back to PIO */
+		if (ret >= 0)
+			ret = -EIO;
+		host->chan_rx = NULL;
+		dma_release_channel(chan);
+		/* Free the Tx channel too */
+		chan = host->chan_tx;
+		if (chan) {
+			host->chan_tx = NULL;
+			dma_release_channel(chan);
+		}
+		dev_warn(&host->pdev->dev,
+			 "DMA failed: %d, falling back to PIO\n", ret);
+		tmio_mmc_enable_dma(host, false);
+		reset(host);
+		/* Fail this request, let above layers recover */
+		host->mrq->cmd->error = ret;
+		tmio_mmc_finish_request(host);
+	}
+
+	dev_dbg(&host->pdev->dev, "%s(): desc %p, cookie %d, sg[%d]\n", __func__,
+		desc, host->cookie, host->sg_len);
+
+	return ret > 0 ? 0 : ret;
+}
+
+static int tmio_mmc_start_dma_tx(struct tmio_mmc_host *host)
+{
+	struct scatterlist *sg = host->sg_ptr;
+	struct dma_async_tx_descriptor *desc = NULL;
+	struct dma_chan *chan = host->chan_tx;
+	int ret;
+
+	ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, DMA_TO_DEVICE);
+	if (ret > 0) {
+		host->dma_sglen = ret;
+		desc = chan->device->device_prep_slave_sg(chan, sg, ret,
+			DMA_TO_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+	}
+
+	if (desc) {
+		host->desc = desc;
+		desc->callback = tmio_dma_complete;
+		desc->callback_param = host;
+		host->cookie = desc->tx_submit(desc);
+		if (host->cookie < 0) {
+			host->desc = NULL;
+			ret = host->cookie;
+		}
+	}
+	dev_dbg(&host->pdev->dev, "%s(): mapped %d -> %d, cookie %d, rq %p\n",
+		__func__, host->sg_len, ret, host->cookie, host->mrq);
+
+	if (!host->desc) {
+		/* DMA failed, fall back to PIO */
+		if (ret >= 0)
+			ret = -EIO;
+		host->chan_tx = NULL;
+		dma_release_channel(chan);
+		/* Free the Rx channel too */
+		chan = host->chan_rx;
+		if (chan) {
+			host->chan_rx = NULL;
+			dma_release_channel(chan);
+		}
+		dev_warn(&host->pdev->dev,
+			 "DMA failed: %d, falling back to PIO\n", ret);
+		tmio_mmc_enable_dma(host, false);
+		reset(host);
+		/* Fail this request, let above layers recover */
+		host->mrq->cmd->error = ret;
+		tmio_mmc_finish_request(host);
+	}
+
+	dev_dbg(&host->pdev->dev, "%s(): desc %p, cookie %d\n", __func__,
+		desc, host->cookie);
+
+	return ret > 0 ? 0 : ret;
+}
+
+static int tmio_mmc_start_dma(struct tmio_mmc_host *host,
+			       struct mmc_data *data)
+{
+	if (data->flags & MMC_DATA_READ) {
+		if (host->chan_rx)
+			return tmio_mmc_start_dma_rx(host);
+	} else {
+		if (host->chan_tx)
+			return tmio_mmc_start_dma_tx(host);
+	}
+
+	return 0;
+}
+
+static void tmio_issue_tasklet_fn(unsigned long priv)
+{
+	struct tmio_mmc_host *host = (struct tmio_mmc_host *)priv;
+	struct dma_chan *chan = host->chan_tx;
+
+	chan->device->device_issue_pending(chan);
+}
+
+static void tmio_tasklet_fn(unsigned long arg)
+{
+	struct tmio_mmc_host *host = (struct tmio_mmc_host *)arg;
+
+	if (host->data->flags & MMC_DATA_READ)
+		dma_unmap_sg(&host->pdev->dev, host->sg_ptr, host->dma_sglen,
+			     DMA_FROM_DEVICE);
+	else
+		dma_unmap_sg(&host->pdev->dev, host->sg_ptr, host->dma_sglen,
+			     DMA_TO_DEVICE);
+
+	tmio_mmc_do_data_irq(host);
+}
+
+/* It might be necessary to make filter MFD specific */
+static bool tmio_mmc_filter(struct dma_chan *chan, void *arg)
+{
+	dev_dbg(chan->device->dev, "%s: slave data %p\n", __func__, arg);
+	chan->private = arg;
+	return true;
+}
+
+static void tmio_mmc_request_dma(struct tmio_mmc_host *host,
+				 struct tmio_mmc_data *pdata)
+{
+	host->cookie = -EINVAL;
+	host->desc = NULL;
+
+	/* We can only either use DMA for both Tx and Rx or not use it at all */
+	if (pdata->dma) {
+		dma_cap_mask_t mask;
+
+		dma_cap_zero(mask);
+		dma_cap_set(DMA_SLAVE, mask);
+
+		host->chan_tx = dma_request_channel(mask, tmio_mmc_filter,
+						    pdata->dma->chan_priv_tx);
+		dev_dbg(&host->pdev->dev, "%s: TX: got channel %p\n", __func__,
+			host->chan_tx);
+
+		if (!host->chan_tx)
+			return;
+
+		host->chan_rx = dma_request_channel(mask, tmio_mmc_filter,
+						    pdata->dma->chan_priv_rx);
+		dev_dbg(&host->pdev->dev, "%s: RX: got channel %p\n", __func__,
+			host->chan_rx);
+
+		if (!host->chan_rx) {
+			dma_release_channel(host->chan_tx);
+			host->chan_tx = NULL;
+			return;
+		}
+
+		tasklet_init(&host->dma_complete, tmio_tasklet_fn, (unsigned long)host);
+		tasklet_init(&host->dma_issue, tmio_issue_tasklet_fn, (unsigned long)host);
+
+		tmio_mmc_enable_dma(host, true);
+	}
+}
+
+static void tmio_mmc_release_dma(struct tmio_mmc_host *host)
+{
+	if (host->chan_tx) {
+		struct dma_chan *chan = host->chan_tx;
+		host->chan_tx = NULL;
+		dma_release_channel(chan);
+	}
+	if (host->chan_rx) {
+		struct dma_chan *chan = host->chan_rx;
+		host->chan_rx = NULL;
+		dma_release_channel(chan);
+	}
+
+	host->cookie = -EINVAL;
+	host->desc = NULL;
+}
+#else
+static int tmio_mmc_start_dma(struct tmio_mmc_host *host,
+			       struct mmc_data *data)
+{
+	return 0;
+}
+
+static void tmio_mmc_request_dma(struct tmio_mmc_host *host,
+				 struct tmio_mmc_data *pdata)
+{
+	host->chan_tx = NULL;
+	host->chan_rx = NULL;
+}
+
+static void tmio_mmc_release_dma(struct tmio_mmc_host *host)
+{
+}
+#endif
+
 static int tmio_mmc_start_data(struct tmio_mmc_host *host,
 	struct mmc_data *data)
 {
 	pr_debug("setup data transfer: blocksize %08x  nr_blocks %d\n",
-	    data->blksz, data->blocks);
+		 data->blksz, data->blocks);
 
 	/* Hardware cannot perform 1 and 2 byte requests in 4 bit mode */
 	if (data->blksz < 4 && host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) {
-		printk(KERN_ERR "%s: %d byte block unsupported in 4 bit mode\n",
-			mmc_hostname(host->mmc), data->blksz);
+		pr_err("%s: %d byte block unsupported in 4 bit mode\n",
+		       mmc_hostname(host->mmc), data->blksz);
 		return -EINVAL;
 	}
 
@@ -383,7 +674,7 @@ static int tmio_mmc_start_data(struct tmio_mmc_host *host,
 	sd_ctrl_write16(host, CTL_SD_XFER_LEN, data->blksz);
 	sd_ctrl_write16(host, CTL_XFER_BLK_COUNT, data->blocks);
 
-	return 0;
+	return tmio_mmc_start_dma(host, data);
 }
 
 /* Process requests from the MMC layer */
@@ -404,7 +695,6 @@ static void tmio_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	}
 
 	ret = tmio_mmc_start_command(host, mrq->cmd);
-
 	if (!ret)
 		return;
 
@@ -459,10 +749,10 @@ static int tmio_mmc_get_ro(struct mmc_host *mmc)
 {
 	struct tmio_mmc_host *host = mmc_priv(mmc);
 
-	return (sd_ctrl_read16(host, CTL_STATUS) & TMIO_STAT_WRPROTECT) ? 0 : 1;
+	return (sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT) ? 0 : 1;
 }
 
-static struct mmc_host_ops tmio_mmc_ops = {
+static const struct mmc_host_ops tmio_mmc_ops = {
 	.request	= tmio_mmc_request,
 	.set_ios	= tmio_mmc_set_ios,
 	.get_ro         = tmio_mmc_get_ro,
@@ -515,6 +805,7 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
 	struct tmio_mmc_host *host;
 	struct mmc_host *mmc;
 	int ret = -EINVAL;
+	u32 irq_mask = TMIO_MASK_CMD;
 
 	if (dev->num_resources != 2)
 		goto out;
@@ -578,13 +869,20 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
 	if (ret)
 		goto cell_disable;
 
+	/* See if we also get DMA */
+	tmio_mmc_request_dma(host, pdata);
+
 	mmc_add_host(mmc);
 
-	printk(KERN_INFO "%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
-	       (unsigned long)host->ctl, host->irq);
+	pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
+		(unsigned long)host->ctl, host->irq);
 
 	/* Unmask the IRQs we want to know about */
-	enable_mmc_irqs(host, TMIO_MASK_IRQ);
+	if (!host->chan_rx)
+		irq_mask |= TMIO_MASK_READOP;
+	if (!host->chan_tx)
+		irq_mask |= TMIO_MASK_WRITEOP;
+	enable_mmc_irqs(host, irq_mask);
 
 	return 0;
 
@@ -609,6 +907,7 @@ static int __devexit tmio_mmc_remove(struct platform_device *dev)
 	if (mmc) {
 		struct tmio_mmc_host *host = mmc_priv(mmc);
 		mmc_remove_host(mmc);
+		tmio_mmc_release_dma(host);
 		free_irq(host->irq, host);
 		if (cell->disable)
 			cell->disable(dev);
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index dafecfbcd91..64f7d5dfc10 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -10,6 +10,8 @@
  */
 
 #include <linux/highmem.h>
+#include <linux/interrupt.h>
+#include <linux/dmaengine.h>
 
 #define CTL_SD_CMD 0x00
 #define CTL_ARG_REG 0x04
@@ -106,6 +108,17 @@ struct tmio_mmc_host {
 	unsigned int            sg_off;
 
 	struct platform_device *pdev;
+
+	/* DMA support */
+	struct dma_chan		*chan_rx;
+	struct dma_chan		*chan_tx;
+	struct tasklet_struct	dma_complete;
+	struct tasklet_struct	dma_issue;
+#ifdef CONFIG_TMIO_MMC_DMA
+	struct dma_async_tx_descriptor *desc;
+	unsigned int            dma_sglen;
+	dma_cookie_t		cookie;
+#endif
 };
 
 #include <linux/io.h>

From 815f1995f03112dec0767a6ab88cccf8cf198509 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:34:27 +0000
Subject: [PATCH 2746/3638] sh: Add SDHI DMA support to ecovec

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-ecovec24/setup.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 7bca7811803..49714258732 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
+#include <linux/mfd/sh_mobile_sdhi.h>
 #include <linux/mtd/physmap.h>
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
@@ -442,7 +443,9 @@ static void sdhi0_set_pwr(struct platform_device *pdev, int state)
 }
 
 static struct sh_mobile_sdhi_info sdhi0_info = {
-	.set_pwr = sdhi0_set_pwr,
+	.dma_slave_tx	= SHDMA_SLAVE_SDHI0_TX,
+	.dma_slave_rx	= SHDMA_SLAVE_SDHI0_RX,
+	.set_pwr	= sdhi0_set_pwr,
 };
 
 static struct resource sdhi0_resources[] = {
@@ -478,7 +481,9 @@ static void sdhi1_set_pwr(struct platform_device *pdev, int state)
 }
 
 static struct sh_mobile_sdhi_info sdhi1_info = {
-	.set_pwr = sdhi1_set_pwr,
+	.dma_slave_tx	= SHDMA_SLAVE_SDHI1_TX,
+	.dma_slave_rx	= SHDMA_SLAVE_SDHI1_RX,
+	.set_pwr	= sdhi1_set_pwr,
 };
 
 static struct resource sdhi1_resources[] = {

From 470ef1a71891102d300ed741164eb3c8c10c9190 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:34:32 +0000
Subject: [PATCH 2747/3638] sh: Add SDHI DMA support to ms7724se

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-se/7724/setup.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 60f0387a69d..f9b82546c2d 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -14,6 +14,7 @@
 #include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/mfd/sh_mobile_sdhi.h>
 #include <linux/mtd/physmap.h>
 #include <linux/delay.h>
 #include <linux/smc91x.h>
@@ -462,11 +463,19 @@ static struct resource sdhi0_cn7_resources[] = {
 	},
 };
 
+static struct sh_mobile_sdhi_info sh7724_sdhi0_data = {
+	.dma_slave_tx	= SHDMA_SLAVE_SDHI0_TX,
+	.dma_slave_rx	= SHDMA_SLAVE_SDHI0_RX,
+};
+
 static struct platform_device sdhi0_cn7_device = {
 	.name           = "sh_mobile_sdhi",
 	.id		= 0,
 	.num_resources  = ARRAY_SIZE(sdhi0_cn7_resources),
 	.resource       = sdhi0_cn7_resources,
+	.dev = {
+		.platform_data	= &sh7724_sdhi0_data,
+	},
 	.archdata = {
 		.hwblk_id = HWBLK_SDHI0,
 	},
@@ -485,11 +494,19 @@ static struct resource sdhi1_cn8_resources[] = {
 	},
 };
 
+static struct sh_mobile_sdhi_info sh7724_sdhi1_data = {
+	.dma_slave_tx	= SHDMA_SLAVE_SDHI1_TX,
+	.dma_slave_rx	= SHDMA_SLAVE_SDHI1_RX,
+};
+
 static struct platform_device sdhi1_cn8_device = {
 	.name           = "sh_mobile_sdhi",
 	.id		= 1,
 	.num_resources  = ARRAY_SIZE(sdhi1_cn8_resources),
 	.resource       = sdhi1_cn8_resources,
+	.dev = {
+		.platform_data	= &sh7724_sdhi1_data,
+	},
 	.archdata = {
 		.hwblk_id = HWBLK_SDHI1,
 	},

From 9e526bc70ae0a82d345e86aa85ebdccff2fd15b6 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:34:36 +0000
Subject: [PATCH 2748/3638] sh: Add SDHI DMA support to kfr2r09

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-kfr2r09/setup.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index b2cd0ed8664..95850aa1ee3 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -10,6 +10,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/mfd/sh_mobile_sdhi.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/onenand.h>
 #include <linux/delay.h>
@@ -356,10 +357,18 @@ static struct resource kfr2r09_sh_sdhi0_resources[] = {
 	},
 };
 
+static struct sh_mobile_sdhi_info sh7724_sdhi0_data = {
+	.dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
+	.dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
+};
+
 static struct platform_device kfr2r09_sh_sdhi0_device = {
 	.name           = "sh_mobile_sdhi",
 	.num_resources  = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
 	.resource       = kfr2r09_sh_sdhi0_resources,
+	.dev = {
+		.platform_data	= &sh7724_sdhi0_data,
+	},
 	.archdata = {
 		.hwblk_id = HWBLK_SDHI0,
 	},

From 65a1b0347a329422e939e14daae6dad9a29e9cf2 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:34:39 +0000
Subject: [PATCH 2749/3638] sh: Add SDHI DMA support to migor

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-migor/setup.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 7da0fc94a01..87185de2044 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -12,6 +12,7 @@
 #include <linux/interrupt.h>
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
+#include <linux/mfd/sh_mobile_sdhi.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/nand.h>
 #include <linux/i2c.h>
@@ -402,10 +403,18 @@ static struct resource sdhi_cn9_resources[] = {
 	},
 };
 
+static struct sh_mobile_sdhi_info sh7724_sdhi_data = {
+	.dma_slave_tx	= SHDMA_SLAVE_SDHI0_TX,
+	.dma_slave_rx	= SHDMA_SLAVE_SDHI0_RX,
+};
+
 static struct platform_device sdhi_cn9_device = {
 	.name		= "sh_mobile_sdhi",
 	.num_resources	= ARRAY_SIZE(sdhi_cn9_resources),
 	.resource	= sdhi_cn9_resources,
+	.dev = {
+		.platform_data	= &sh7724_sdhi_data,
+	},
 	.archdata = {
 		.hwblk_id = HWBLK_SDHI,
 	},

From bbd7d57bfe852d9788bae5fb171c7edb4021d8ac Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 24 Mar 2010 22:25:47 +0100
Subject: [PATCH 2750/3638] slub: Potential stack overflow

I discovered that we can overflow stack if CONFIG_SLUB_DEBUG=y and use slabs
with many objects, since list_slab_objects() and process_slab() use
DECLARE_BITMAP(map, page->objects).

With 65535 bits, we use 8192 bytes of stack ...

Switch these allocations to dynamic allocations.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 mm/slub.c | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index d2a54fe71ea..78f1a202ca3 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2429,9 +2429,11 @@ static void list_slab_objects(struct kmem_cache *s, struct page *page,
 #ifdef CONFIG_SLUB_DEBUG
 	void *addr = page_address(page);
 	void *p;
-	DECLARE_BITMAP(map, page->objects);
+	long *map = kzalloc(BITS_TO_LONGS(page->objects) * sizeof(long),
+			    GFP_ATOMIC);
 
-	bitmap_zero(map, page->objects);
+	if (!map)
+		return;
 	slab_err(s, page, "%s", text);
 	slab_lock(page);
 	for_each_free_object(p, s, page->freelist)
@@ -2446,6 +2448,7 @@ static void list_slab_objects(struct kmem_cache *s, struct page *page,
 		}
 	}
 	slab_unlock(page);
+	kfree(map);
 #endif
 }
 
@@ -3651,10 +3654,10 @@ static int add_location(struct loc_track *t, struct kmem_cache *s,
 }
 
 static void process_slab(struct loc_track *t, struct kmem_cache *s,
-		struct page *page, enum track_item alloc)
+		struct page *page, enum track_item alloc,
+		long *map)
 {
 	void *addr = page_address(page);
-	DECLARE_BITMAP(map, page->objects);
 	void *p;
 
 	bitmap_zero(map, page->objects);
@@ -3673,11 +3676,14 @@ static int list_locations(struct kmem_cache *s, char *buf,
 	unsigned long i;
 	struct loc_track t = { 0, 0, NULL };
 	int node;
+	unsigned long *map = kmalloc(BITS_TO_LONGS(oo_objects(s->max)) *
+				     sizeof(unsigned long), GFP_KERNEL);
 
-	if (!alloc_loc_track(&t, PAGE_SIZE / sizeof(struct location),
-			GFP_TEMPORARY))
+	if (!map || !alloc_loc_track(&t, PAGE_SIZE / sizeof(struct location),
+				     GFP_TEMPORARY)) {
+		kfree(map);
 		return sprintf(buf, "Out of memory\n");
-
+	}
 	/* Push back cpu slabs */
 	flush_all(s);
 
@@ -3691,9 +3697,9 @@ static int list_locations(struct kmem_cache *s, char *buf,
 
 		spin_lock_irqsave(&n->list_lock, flags);
 		list_for_each_entry(page, &n->partial, lru)
-			process_slab(&t, s, page, alloc);
+			process_slab(&t, s, page, alloc, map);
 		list_for_each_entry(page, &n->full, lru)
-			process_slab(&t, s, page, alloc);
+			process_slab(&t, s, page, alloc, map);
 		spin_unlock_irqrestore(&n->list_lock, flags);
 	}
 
@@ -3744,6 +3750,7 @@ static int list_locations(struct kmem_cache *s, char *buf,
 	}
 
 	free_loc_track(&t);
+	kfree(map);
 	if (!t.count)
 		len += sprintf(buf, "No data\n");
 	return len;

From d3e14aa336b37df76ae875fa051dfdb0e765ddf9 Mon Sep 17 00:00:00 2001
From: Xiaotian Feng <dfeng@redhat.com>
Date: Thu, 8 Apr 2010 17:26:44 +0800
Subject: [PATCH 2751/3638] slub: __kmalloc_node_track_caller should trace
 kmalloc_large_node case

commit 94b528d (kmemtrace: SLUB hooks for caller-tracking functions)
missed tracing kmalloc_large_node in __kmalloc_node_track_caller. We
should trace it same as __kmalloc_node.

Acked-by: David Rientjes <rientjes@google.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 mm/slub.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 78f1a202ca3..52ae5a53818 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3341,8 +3341,15 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
 	struct kmem_cache *s;
 	void *ret;
 
-	if (unlikely(size > SLUB_MAX_SIZE))
-		return kmalloc_large_node(size, gfpflags, node);
+	if (unlikely(size > SLUB_MAX_SIZE)) {
+		ret = kmalloc_large_node(size, gfpflags, node);
+
+		trace_kmalloc_node(caller, ret,
+				   size, PAGE_SIZE << get_order(size),
+				   gfpflags, node);
+
+		return ret;
+	}
 
 	s = get_slab(size, gfpflags);
 

From 6b65aaf3027c4e02b42aaefd900aa79136a30681 Mon Sep 17 00:00:00 2001
From: Minchan Kim <minchan.kim@gmail.com>
Date: Wed, 14 Apr 2010 23:58:36 +0900
Subject: [PATCH 2752/3638] slub: Use alloc_pages_exact_node() for page
 allocation

The alloc_slab_page() in SLUB uses alloc_pages() if node is '-1'.  This means
that node validity check in alloc_pages_node is unnecessary and we can use
alloc_pages_exact_node() to avoid comparison and branch as commit
6484eb3e2a81807722 ("page allocator: do not check NUMA node ID when the caller
knows the node is valid") did for the page allocator.

Cc: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 mm/slub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slub.c b/mm/slub.c
index 52ae5a53818..2cdd235cb80 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1084,7 +1084,7 @@ static inline struct page *alloc_slab_page(gfp_t flags, int node,
 	if (node == -1)
 		return alloc_pages(flags, order);
 	else
-		return alloc_pages_node(node, flags, order);
+		return alloc_pages_exact_node(node, flags, order);
 }
 
 static struct page *allocate_slab(struct kmem_cache *s, gfp_t flags, int node)

From 3734574cac1002e4cf037e3591cf222b1e04dfa4 Mon Sep 17 00:00:00 2001
From: Haojian Zhuang <haojian.zhuang@gmail.com>
Date: Sat, 22 May 2010 00:57:26 -0700
Subject: [PATCH 2753/3638] Input: enable onkey driver of max8925

When ONKEY is held for 3 seconds, KEY_POWER event is reported.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/misc/Kconfig         |  10 ++
 drivers/input/misc/Makefile        |   1 +
 drivers/input/misc/max8925_onkey.c | 148 +++++++++++++++++++++++++++++
 3 files changed, 159 insertions(+)
 create mode 100644 drivers/input/misc/max8925_onkey.c

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 48cdabec372..c44b9eafc55 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -80,6 +80,16 @@ config INPUT_M68K_BEEP
 	tristate "M68k Beeper support"
 	depends on M68K
 
+config INPUT_MAX8925_ONKEY
+	tristate "MAX8925 ONKEY support"
+	depends on MFD_MAX8925
+	help
+	  Support the ONKEY of MAX8925 PMICs as an input device
+	  reporting power button status.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called max8925_onkey.
+
 config INPUT_APANEL
 	tristate "Fujitsu Lifebook Application Panel buttons"
 	depends on X86 && I2C && LEDS_CLASS
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index f9f577031e0..71fe57d8023 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
 obj-$(CONFIG_INPUT_IXP4XX_BEEPER)	+= ixp4xx-beeper.o
 obj-$(CONFIG_INPUT_KEYSPAN_REMOTE)	+= keyspan_remote.o
 obj-$(CONFIG_INPUT_M68K_BEEP)		+= m68kspkr.o
+obj-$(CONFIG_INPUT_MAX8925_ONKEY)	+= max8925_onkey.o
 obj-$(CONFIG_INPUT_PCAP)		+= pcap_keys.o
 obj-$(CONFIG_INPUT_PCF50633_PMU)	+= pcf50633-input.o
 obj-$(CONFIG_INPUT_PCF8574)		+= pcf8574_keypad.o
diff --git a/drivers/input/misc/max8925_onkey.c b/drivers/input/misc/max8925_onkey.c
new file mode 100644
index 00000000000..80af4460801
--- /dev/null
+++ b/drivers/input/misc/max8925_onkey.c
@@ -0,0 +1,148 @@
+/**
+ * max8925_onkey.c - MAX8925 ONKEY driver
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *      Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/max8925.h>
+#include <linux/slab.h>
+
+#define HARDRESET_EN		(1 << 7)
+#define PWREN_EN		(1 << 7)
+
+struct max8925_onkey_info {
+	struct input_dev	*idev;
+	struct i2c_client	*i2c;
+	int			irq;
+};
+
+/*
+ * MAX8925 gives us an interrupt when ONKEY is held for 3 seconds.
+ * max8925_set_bits() operates I2C bus and may sleep. So implement
+ * it in thread IRQ handler.
+ */
+static irqreturn_t max8925_onkey_handler(int irq, void *data)
+{
+	struct max8925_onkey_info *info = data;
+
+	input_report_key(info->idev, KEY_POWER, 1);
+	input_sync(info->idev);
+
+	/* Enable hardreset to halt if system isn't shutdown on time */
+	max8925_set_bits(info->i2c, MAX8925_SYSENSEL,
+			 HARDRESET_EN, HARDRESET_EN);
+
+	return IRQ_HANDLED;
+}
+
+static int __devinit max8925_onkey_probe(struct platform_device *pdev)
+{
+	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct max8925_onkey_info *info;
+	int error;
+
+	info = kzalloc(sizeof(struct max8925_onkey_info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	info->i2c = chip->i2c;
+	info->irq = chip->irq_base + MAX8925_IRQ_GPM_SW_3SEC;
+
+	info->idev = input_allocate_device();
+	if (!info->idev) {
+		dev_err(chip->dev, "Failed to allocate input dev\n");
+		error = -ENOMEM;
+		goto out_input;
+	}
+
+	info->idev->name = "max8925_on";
+	info->idev->phys = "max8925_on/input0";
+	info->idev->id.bustype = BUS_I2C;
+	info->idev->dev.parent = &pdev->dev;
+	info->idev->evbit[0] = BIT_MASK(EV_KEY);
+	info->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
+
+	error = request_threaded_irq(info->irq, NULL, max8925_onkey_handler,
+				     IRQF_ONESHOT, "onkey", info);
+	if (error < 0) {
+		dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
+			info->irq, error);
+		goto out_irq;
+	}
+
+	error = input_register_device(info->idev);
+	if (error) {
+		dev_err(chip->dev, "Can't register input device: %d\n", error);
+		goto out;
+	}
+
+	platform_set_drvdata(pdev, info);
+
+	return 0;
+
+out:
+	free_irq(info->irq, info);
+out_irq:
+	input_free_device(info->idev);
+out_input:
+	kfree(info);
+	return error;
+}
+
+static int __devexit max8925_onkey_remove(struct platform_device *pdev)
+{
+	struct max8925_onkey_info *info = platform_get_drvdata(pdev);
+
+	free_irq(info->irq, info);
+	input_unregister_device(info->idev);
+	kfree(info);
+
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver max8925_onkey_driver = {
+	.driver		= {
+		.name	= "max8925-onkey",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= max8925_onkey_probe,
+	.remove		= __devexit_p(max8925_onkey_remove),
+};
+
+static int __init max8925_onkey_init(void)
+{
+	return platform_driver_register(&max8925_onkey_driver);
+}
+module_init(max8925_onkey_init);
+
+static void __exit max8925_onkey_exit(void)
+{
+	platform_driver_unregister(&max8925_onkey_driver);
+}
+module_exit(max8925_onkey_exit);
+
+MODULE_DESCRIPTION("Maxim MAX8925 ONKEY driver");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");

From f2126a99675a930b3ab5258698d82b2a3c69af3f Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Date: Sat, 22 May 2010 00:57:26 -0700
Subject: [PATCH 2754/3638] Input: twl4030-vibra - correct the power down
 sequence

It is better to turn off the first APLL, than the codec.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/misc/twl4030-vibra.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c
index fee9eac8e04..4f9b2afc24e 100644
--- a/drivers/input/misc/twl4030-vibra.c
+++ b/drivers/input/misc/twl4030-vibra.c
@@ -90,8 +90,8 @@ static void vibra_disable(struct vibra_info *info)
 	twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
 			 (reg & ~TWL4030_VIBRA_EN), TWL4030_REG_VIBRA_CTL);
 
-	twl4030_codec_disable_resource(TWL4030_CODEC_RES_POWER);
 	twl4030_codec_disable_resource(TWL4030_CODEC_RES_APLL);
+	twl4030_codec_disable_resource(TWL4030_CODEC_RES_POWER);
 
 	info->enabled = false;
 }

From ac8fb3e8627d5494f3d2221925a82be4c1778b0e Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:36:02 +0000
Subject: [PATCH 2755/3638] tmio: add a platform flag to disable card
 write-protection detection

Write-protection status is not always available, e.g., micro-SD cards do not
have a write-protection switch at all. This patch adds a flag to let platforms
force tmio_mmc to consider the card writable.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/mmc/host/tmio_mmc.c | 5 ++++-
 include/linux/mfd/tmio.h    | 4 ++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 3ecd41875fa..faa16b7d941 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -748,8 +748,11 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 static int tmio_mmc_get_ro(struct mmc_host *mmc)
 {
 	struct tmio_mmc_host *host = mmc_priv(mmc);
+	struct mfd_cell	*cell = host->pdev->dev.platform_data;
+	struct tmio_mmc_data *pdata = cell->driver_data;
 
-	return (sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT) ? 0 : 1;
+	return ((pdata->flags & TMIO_MMC_WRPROTECT_DISABLE) ||
+		(sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT)) ? 0 : 1;
 }
 
 static const struct mmc_host_ops tmio_mmc_ops = {
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 360fc953d7b..feeed0b9ee7 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -50,6 +50,9 @@
 		tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
 	} while (0)
 
+/* tmio MMC platform flags */
+#define TMIO_MMC_WRPROTECT_DISABLE	(1 << 0)
+
 int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
 int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
 void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
@@ -66,6 +69,7 @@ struct tmio_mmc_dma {
 struct tmio_mmc_data {
 	unsigned int			hclk;
 	unsigned long			capabilities;
+	unsigned long			flags;
 	struct tmio_mmc_dma		*dma;
 	void (*set_pwr)(struct platform_device *host, int state);
 	void (*set_clk_div)(struct platform_device *host, int state);

From f87c20a9db43f6f731270eeef616e1bcc266c2d4 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:36:08 +0000
Subject: [PATCH 2756/3638] mfd: pass platform flags down to the tmio_mmc
 driver

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/mfd/sh_mobile_sdhi.c       | 2 ++
 include/linux/mfd/sh_mobile_sdhi.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c
index 555374db866..19e0d48a599 100644
--- a/drivers/mfd/sh_mobile_sdhi.c
+++ b/drivers/mfd/sh_mobile_sdhi.c
@@ -107,6 +107,8 @@ static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
 	mmc_data->hclk = clk_get_rate(priv->clk);
 	mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
 	mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
+	if (p)
+		mmc_data->flags = p->tmio_flags;
 
 	if (p && p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {
 		priv->param_tx.slave_id = p->dma_slave_tx;
diff --git a/include/linux/mfd/sh_mobile_sdhi.h b/include/linux/mfd/sh_mobile_sdhi.h
index c305461e7f4..c7b47f8ad65 100644
--- a/include/linux/mfd/sh_mobile_sdhi.h
+++ b/include/linux/mfd/sh_mobile_sdhi.h
@@ -4,6 +4,7 @@
 struct sh_mobile_sdhi_info {
 	int dma_slave_tx;
 	int dma_slave_rx;
+	unsigned long tmio_flags;
 	void (*set_pwr)(struct platform_device *pdev, int state);
 };
 

From 8f4b3036d1b9bdb6f5fa0b920e0163d64a990327 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:36:13 +0000
Subject: [PATCH 2757/3638] sh: disable SD-card write-protection detection on
 kfr2r09

kfr2r09 board has a micro-SD card slot, therefore card write-protection
detection cannot work there, disable it.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-kfr2r09/setup.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 95850aa1ee3..68994a163f6 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -11,6 +11,7 @@
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/mfd/sh_mobile_sdhi.h>
+#include <linux/mfd/tmio.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/onenand.h>
 #include <linux/delay.h>
@@ -358,8 +359,9 @@ static struct resource kfr2r09_sh_sdhi0_resources[] = {
 };
 
 static struct sh_mobile_sdhi_info sh7724_sdhi0_data = {
-	.dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
-	.dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
+	.dma_slave_tx	= SHDMA_SLAVE_SDHI0_TX,
+	.dma_slave_rx	= SHDMA_SLAVE_SDHI0_RX,
+	.tmio_flags	= TMIO_MMC_WRPROTECT_DISABLE,
 };
 
 static struct platform_device kfr2r09_sh_sdhi0_device = {

From a2b14dc9615c215a8cf4f2041f6c0c3fff5fc486 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:37:25 +0000
Subject: [PATCH 2758/3638] mmc: let MFD's provide supported Vdd card voltages
 to tmio_mmc

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/mmc/host/tmio_mmc.c | 5 ++++-
 include/linux/mfd/tmio.h    | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index faa16b7d941..883fcac2100 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -847,7 +847,10 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
 	mmc->caps |= pdata->capabilities;
 	mmc->f_max = pdata->hclk;
 	mmc->f_min = mmc->f_max / 512;
-	mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
+	if (pdata->ocr_mask)
+		mmc->ocr_avail = pdata->ocr_mask;
+	else
+		mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
 
 	/* Tell the MFD core we are ready to be enabled */
 	if (cell->enable) {
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index feeed0b9ee7..f07425bc3dc 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -70,6 +70,7 @@ struct tmio_mmc_data {
 	unsigned int			hclk;
 	unsigned long			capabilities;
 	unsigned long			flags;
+	u32				ocr_mask;	/* available voltages */
 	struct tmio_mmc_dma		*dma;
 	void (*set_pwr)(struct platform_device *host, int state);
 	void (*set_clk_div)(struct platform_device *host, int state);

From bb0fe533514c1d480c6c16f8bad070270a73a96c Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 19 May 2010 18:37:36 +0000
Subject: [PATCH 2759/3638] sh: allow platforms to specify SD-card supported
 voltages

Boards can have different supplied voltages on different SD card slots. This
information has to be passed down to the SD/MMC driver.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/mfd/sh_mobile_sdhi.c       | 4 +++-
 include/linux/mfd/sh_mobile_sdhi.h | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c
index 19e0d48a599..cd164595f08 100644
--- a/drivers/mfd/sh_mobile_sdhi.c
+++ b/drivers/mfd/sh_mobile_sdhi.c
@@ -107,8 +107,10 @@ static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
 	mmc_data->hclk = clk_get_rate(priv->clk);
 	mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
 	mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
-	if (p)
+	if (p) {
 		mmc_data->flags = p->tmio_flags;
+		mmc_data->ocr_mask = p->tmio_ocr_mask;
+	}
 
 	if (p && p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {
 		priv->param_tx.slave_id = p->dma_slave_tx;
diff --git a/include/linux/mfd/sh_mobile_sdhi.h b/include/linux/mfd/sh_mobile_sdhi.h
index c7b47f8ad65..49067802a6d 100644
--- a/include/linux/mfd/sh_mobile_sdhi.h
+++ b/include/linux/mfd/sh_mobile_sdhi.h
@@ -1,10 +1,13 @@
 #ifndef __SH_MOBILE_SDHI_H__
 #define __SH_MOBILE_SDHI_H__
 
+#include <linux/types.h>
+
 struct sh_mobile_sdhi_info {
 	int dma_slave_tx;
 	int dma_slave_rx;
 	unsigned long tmio_flags;
+	u32 tmio_ocr_mask;	/* available MMC voltages */
 	void (*set_pwr)(struct platform_device *pdev, int state);
 };
 

From 85b8e3ffc47b2a1913be3079e9f1c1f66a6240b2 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Fri, 21 May 2010 15:22:40 +0000
Subject: [PATCH 2760/3638] sh: fix Oops in the serial SCI driver

Fix an Oops, triggering, if the DMA buffer allocation for the Rx channel in
sh-sci.c fails.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/serial/sh-sci.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 4f73fb75674..5f90fcd7d10 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1004,8 +1004,9 @@ static void sci_rx_dma_release(struct sci_port *s, bool enable_pio)
 	s->chan_rx = NULL;
 	s->cookie_rx[0] = s->cookie_rx[1] = -EINVAL;
 	dma_release_channel(chan);
-	dma_free_coherent(port->dev, s->buf_len_rx * 2,
-			  sg_virt(&s->sg_rx[0]), sg_dma_address(&s->sg_rx[0]));
+	if (sg_dma_address(&s->sg_rx[0]))
+		dma_free_coherent(port->dev, s->buf_len_rx * 2,
+				  sg_virt(&s->sg_rx[0]), sg_dma_address(&s->sg_rx[0]));
 	if (enable_pio)
 		sci_start_rx(port);
 }

From 7a5c106a0e8fd03a806d0da77eef10b4045c43a6 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Fri, 21 May 2010 15:28:51 +0000
Subject: [PATCH 2761/3638] sh: prevent the DMA driver from unloading, while in
 use

This prevents the driver from unloading, while it is in use. Unloading of the
driver, while its DMA channels are held, leads to a kernel Oops.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/dma/shdma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index a1727522343..427d514796d 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -1188,6 +1188,7 @@ static struct platform_driver sh_dmae_driver = {
 	.remove		= __exit_p(sh_dmae_remove),
 	.shutdown	= sh_dmae_shutdown,
 	.driver = {
+		.owner	= THIS_MODULE,
 		.name	= "sh-dma-engine",
 	},
 };

From 9255f1deec151ac0e84871d06bc27406cb81f26f Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Fri, 21 May 2010 15:30:12 +0000
Subject: [PATCH 2762/3638] sh: guard cookie consistency across termination in
 the DMA driver

If all descriptors on a channel are terminated or the channel is released,
update the completed cookie counter to match the last cookie. This prevents
inconsistency warning on resumed DMA operation.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/dma/shdma.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 427d514796d..a2a519fd2a2 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -722,6 +722,10 @@ static void sh_dmae_chan_ld_cleanup(struct sh_dmae_chan *sh_chan, bool all)
 {
 	while (__ld_cleanup(sh_chan, all))
 		;
+
+	if (all)
+		/* Terminating - forgive uncompleted cookies */
+		sh_chan->completed_cookie = sh_chan->common.cookie;
 }
 
 static void sh_chan_xfer_ld_queue(struct sh_dmae_chan *sh_chan)

From ed0ad6d3a0720faa999e4bf9d4ed404cfd5eb4cc Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 22 May 2010 17:12:23 +0900
Subject: [PATCH 2763/3638] sh: fix up sh7786 dmaengine build.

The asm/dmaengine.h header is gone now, update accordingly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh4a/setup-sh7786.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
index 81657091da4..8797723231e 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
@@ -21,10 +21,10 @@
 #include <linux/mm.h>
 #include <linux/dma-mapping.h>
 #include <linux/sh_timer.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_intc.h>
 #include <cpu/dma-register.h>
 #include <asm/mmzone.h>
-#include <asm/dmaengine.h>
 
 static struct plat_sci_port scif0_platform_data = {
 	.mapbase	= 0xffea0000,

From f9218c2a60facc6ff9a793a9d9ab956194d70012 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Date: Sat, 22 May 2010 02:18:02 -0600
Subject: [PATCH 2764/3638] spi/spi_mpc8xxx: fix potential memory corruption.

tx_dma/rx_dma are already set to a dummy buffer when no
tx/rx buffer and t->tx_dma/t->rx_dma does not contain a dma
address, but NULL.
This may lead to corruption of kernel memory. Fix this by
leaving tx_dma/rx_dma alone.

Do not INIT_TX_RX while controller is enabled, this is bad according
to the MPC8321 manual.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/spi_mpc8xxx.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c
index 14d05231650..0dfc482bbff 100644
--- a/drivers/spi/spi_mpc8xxx.c
+++ b/drivers/spi/spi_mpc8xxx.c
@@ -241,7 +241,6 @@ static void mpc8xxx_spi_change_mode(struct spi_device *spi)
 
 	/* Turn off SPI unit prior changing mode */
 	mpc8xxx_spi_write_reg(mode, cs->hw_mode & ~SPMODE_ENABLE);
-	mpc8xxx_spi_write_reg(mode, cs->hw_mode);
 
 	/* When in CPM mode, we need to reinit tx and rx. */
 	if (mspi->flags & SPI_CPM_MODE) {
@@ -258,7 +257,7 @@ static void mpc8xxx_spi_change_mode(struct spi_device *spi)
 			}
 		}
 	}
-
+	mpc8xxx_spi_write_reg(mode, cs->hw_mode);
 	local_irq_restore(flags);
 }
 
@@ -438,7 +437,7 @@ static int mpc8xxx_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
 			dev_err(dev, "unable to map tx dma\n");
 			return -ENOMEM;
 		}
-	} else {
+	} else if (t->tx_buf) {
 		mspi->tx_dma = t->tx_dma;
 	}
 
@@ -449,7 +448,7 @@ static int mpc8xxx_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
 			dev_err(dev, "unable to map rx dma\n");
 			goto err_rx_dma;
 		}
-	} else {
+	} else if (t->rx_buf) {
 		mspi->rx_dma = t->rx_dma;
 	}
 

From 6e78c9fd1bc2c7e04b3d7052e9eb27aa536e4e2c Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sat, 22 May 2010 11:20:24 -0300
Subject: [PATCH 2765/3638] perf tui: Remove annotate from popup menu after
 failure
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/newt.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 0b45658f749..c65838c9935 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -914,6 +914,9 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
 
 			switch (toupper(es.u.key)) {
 			case 'A':
+				if (browser->selection->map == NULL &&
+				    browser->selection->map->dso->annotate_warned)
+					continue;
 				goto do_annotate;
 			case 'D':
 				goto zoom_dso;
@@ -957,6 +960,7 @@ do_help:
 		}
 
 		if (browser->selection->sym != NULL &&
+		    !browser->selection->map->dso->annotate_warned &&
 		    asprintf(&options[nr_options], "Annotate %s",
 			     browser->selection->sym->name) > 0)
 			annotate = nr_options++;
@@ -991,6 +995,7 @@ do_help:
 			struct hist_entry *he;
 do_annotate:
 			if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) {
+				browser->selection->map->dso->annotate_warned = 1;
 				ui_helpline__puts("No vmlinux file found, can't "
 						 "annotate with just a "
 						 "kallsyms file");

From 46e3e055ce69a00d735e458445ab1d24718ff751 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sat, 22 May 2010 11:25:40 -0300
Subject: [PATCH 2766/3638] perf annotate: Add TUI interface
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When annotating multiple entries, for instance, when running simply as:

$ perf annotate

the right and left keys, as well as TAB can be used to cycle thru the
multiple symbols being annotated.

If one doesn't like TUI annotate, disable it by editing ~/.perfconfig
and adding:

[tui]

	annotate = off

Just like it is possible for report.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-annotate.c | 61 ++++++++++++++++++++++++++---------
 tools/perf/builtin-report.c   |  4 +--
 tools/perf/util/hist.c        | 13 +++-----
 tools/perf/util/hist.h        | 10 ++++++
 tools/perf/util/newt.c        | 56 +++++++++++++++++++++-----------
 tools/perf/util/util.h        | 15 ++++++++-
 6 files changed, 112 insertions(+), 47 deletions(-)

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 77bcc9b130f..08278eda31a 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -277,7 +277,7 @@ static void hist_entry__print_hits(struct hist_entry *self)
 	printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum);
 }
 
-static void annotate_sym(struct hist_entry *he)
+static int hist_entry__tty_annotate(struct hist_entry *he)
 {
 	struct map *map = he->ms.map;
 	struct dso *dso = map->dso;
@@ -288,7 +288,7 @@ static void annotate_sym(struct hist_entry *he)
 	struct objdump_line *pos, *n;
 
 	if (hist_entry__annotate(he, &head) < 0)
-		return;
+		return -1;
 
 	if (full_paths)
 		d_filename = filename;
@@ -317,30 +317,59 @@ static void annotate_sym(struct hist_entry *he)
 
 	if (print_line)
 		free_source_line(he, len);
+
+	return 0;
 }
 
 static void hists__find_annotations(struct hists *self)
 {
-	struct rb_node *nd;
+	struct rb_node *first = rb_first(&self->entries), *nd = first;
+	int key = KEY_RIGHT;
 
-	for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+	while (nd) {
 		struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
 		struct sym_priv *priv;
 
-		if (he->ms.sym == NULL)
-			continue;
+		if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned)
+			goto find_next;
 
 		priv = symbol__priv(he->ms.sym);
-		if (priv->hist == NULL)
+		if (priv->hist == NULL) {
+find_next:
+			if (key == KEY_LEFT)
+				nd = rb_prev(nd);
+			else
+				nd = rb_next(nd);
 			continue;
+		}
 
-		annotate_sym(he);
-		/*
-		 * Since we have a hist_entry per IP for the same symbol, free
-		 * he->ms.sym->hist to signal we already processed this symbol.
-		 */
-		free(priv->hist);
-		priv->hist = NULL;
+		if (use_browser) {
+			key = hist_entry__tui_annotate(he);
+			if (is_exit_key(key))
+				break;
+			switch (key) {
+			case KEY_RIGHT:
+			case '\t':
+				nd = rb_next(nd);
+				break;
+			case KEY_LEFT:
+				if (nd == first)
+					continue;
+				nd = rb_prev(nd);
+			default:
+				break;
+			}
+		} else {
+			hist_entry__tty_annotate(he);
+			nd = rb_next(nd);
+			/*
+			 * Since we have a hist_entry per IP for the same
+			 * symbol, free he->ms.sym->hist to signal we already
+			 * processed this symbol.
+			 */
+			free(priv->hist);
+			priv->hist = NULL;
+		}
 	}
 }
 
@@ -416,6 +445,8 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
 {
 	argc = parse_options(argc, argv, options, annotate_usage, 0);
 
+	setup_browser();
+
 	symbol_conf.priv_size = sizeof(struct sym_priv);
 	symbol_conf.try_vmlinux_path = true;
 
@@ -435,8 +466,6 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
 		sym_hist_filter = argv[0];
 	}
 
-	setup_pager();
-
 	if (field_sep && *field_sep == '.') {
 		pr_err("'.' is the only non valid --field-separator argument\n");
 		return -1;
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 2c39bd35897..a7b8760e401 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -484,9 +484,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
 {
 	argc = parse_options(argc, argv, options, report_usage, 0);
 
-	if (dump_trace)
-		setup_pager();
-	else if (strcmp(input_name, "-") != 0)
+	if (strcmp(input_name, "-") != 0)
 		setup_browser();
 	/*
 	 * Only in the newt browser we are doing integrated annotation,
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 009ad76b087..682a6d88862 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -992,14 +992,14 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 	char *filename = dso__build_id_filename(dso, NULL, 0);
 	char command[PATH_MAX * 2];
 	FILE *file;
-	int err = -1;
+	int err = 0;
 	u64 len;
 
 	if (filename == NULL) {
 		if (dso->has_build_id) {
 			pr_err("Can't annotate %s: not enough memory\n",
 			       sym->name);
-			return -1;
+			return -ENOMEM;
 		}
 		/*
 		 * If we don't have build-ids, well, lets hope that this
@@ -1009,14 +1009,12 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 	}
 
 	if (dso->origin == DSO__ORIG_KERNEL) {
-		if (dso->annotate_warned) {
-			err = 0;
+		if (dso->annotate_warned)
 			goto out_free_filename;
-		}
+		err = -ENOENT;
 		dso->annotate_warned = 1;
 		pr_err("Can't annotate %s: No vmlinux file was found in the "
-		       "path:\n", sym->name);
-		vmlinux_path__fprintf(stderr);
+		       "path\n", sym->name);
 		goto out_free_filename;
 	}
 
@@ -1046,7 +1044,6 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 			break;
 
 	pclose(file);
-	err = 0;
 out_free_filename:
 	if (dso->has_build_id)
 		free(filename);
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 6f17dcd8412..2d5203fedb2 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -102,8 +102,18 @@ static inline int hists__browse(struct hists *self __used,
 {
 	return 0;
 }
+static inline int hist_entry__tui_annotate(struct hist_entry *self __used)
+{
+	return 0;
+}
+#define KEY_LEFT -1
+#define KEY_RIGHT -2
 #else
+#include <newt.h>
 int hists__browse(struct hists *self, const char *helpline,
 		  const char *input_name);
+int hist_entry__tui_annotate(struct hist_entry *self);
+#define KEY_LEFT NEWT_KEY_LEFT
+#define KEY_RIGHT NEWT_KEY_RIGHT
 #endif
 #endif	/* __PERF_HIST_H */
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index c65838c9935..ffd04720b75 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -235,6 +235,15 @@ static bool dialog_yesno(const char *msg)
 	return newtWinChoice(NULL, yes, no, (char *)msg) == 1;
 }
 
+static void ui__error_window(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	newtWinMessagev((char *)"Error", (char *)"Ok", (char *)fmt, ap);
+	va_end(ap);
+}
+
 #define HE_COLORSET_TOP		50
 #define HE_COLORSET_MEDIUM	51
 #define HE_COLORSET_NORMAL	52
@@ -386,6 +395,8 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
 	newtFormAddHotKey(self->form, ' ');
 	newtFormAddHotKey(self->form, NEWT_KEY_HOME);
 	newtFormAddHotKey(self->form, NEWT_KEY_END);
+	newtFormAddHotKey(self->form, NEWT_KEY_TAB);
+	newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
 
 	if (ui_browser__refresh_entries(self) < 0)
 		return -1;
@@ -398,6 +409,8 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
 
 		if (es->reason != NEWT_EXIT_HOTKEY)
 			break;
+		if (is_exit_key(es->u.key))
+			return es->u.key;
 		switch (es->u.key) {
 		case NEWT_KEY_DOWN:
 			if (self->index == self->nr_entries - 1)
@@ -471,12 +484,10 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
 			}
 		}
 			break;
-		case NEWT_KEY_ESCAPE:
+		case NEWT_KEY_RIGHT:
 		case NEWT_KEY_LEFT:
-		case CTRL('c'):
-		case 'Q':
-		case 'q':
-			return 0;
+		case NEWT_KEY_TAB:
+			return es->u.key;
 		default:
 			continue;
 		}
@@ -668,18 +679,24 @@ static size_t hist_entry__append_browser(struct hist_entry *self,
 	return ret;
 }
 
-static void hist_entry__annotate_browser(struct hist_entry *self)
+int hist_entry__tui_annotate(struct hist_entry *self)
 {
 	struct ui_browser browser;
 	struct newtExitStruct es;
 	struct objdump_line *pos, *n;
 	LIST_HEAD(head);
+	int ret;
 
 	if (self->ms.sym == NULL)
-		return;
+		return -1;
 
-	if (hist_entry__annotate(self, &head) < 0)
-		return;
+	if (self->ms.map->dso->annotate_warned)
+		return -1;
+
+	if (hist_entry__annotate(self, &head) < 0) {
+		ui__error_window(browser__last_msg);
+		return -1;
+	}
 
 	ui_helpline__push("Press <- or ESC to exit");
 
@@ -694,7 +711,7 @@ static void hist_entry__annotate_browser(struct hist_entry *self)
 	}
 
 	browser.width += 18; /* Percentage */
-	ui_browser__run(&browser, self->ms.sym->name, &es);
+	ret = ui_browser__run(&browser, self->ms.sym->name, &es);
 	newtFormDestroy(browser.form);
 	newtPopWindow();
 	list_for_each_entry_safe(pos, n, &head, node) {
@@ -702,6 +719,7 @@ static void hist_entry__annotate_browser(struct hist_entry *self)
 		objdump_line__free(pos);
 	}
 	ui_helpline__pop();
+	return ret;
 }
 
 static const void *newt__symbol_tree_get_current(newtComponent self)
@@ -935,14 +953,14 @@ do_help:
 				continue;
 			default:;
 			}
-			if (toupper(es.u.key) == 'Q' ||
-			    es.u.key == CTRL('c'))
-				break;
-			if (es.u.key == NEWT_KEY_ESCAPE) {
-				if (dialog_yesno("Do you really want to exit?"))
+			if (is_exit_key(es.u.key)) {
+				if (es.u.key == NEWT_KEY_ESCAPE) {
+					if (dialog_yesno("Do you really want to exit?"))
+						break;
+					else
+						continue;
+				} else
 					break;
-				else
-					continue;
 			}
 
 			if (es.u.key == NEWT_KEY_LEFT) {
@@ -1006,7 +1024,7 @@ do_annotate:
 			if (he == NULL)
 				continue;
 
-			hist_entry__annotate_browser(he);
+			hist_entry__tui_annotate(he);
 		} else if (choice == zoom_dso) {
 zoom_dso:
 			if (dso_filter) {
@@ -1074,7 +1092,7 @@ void setup_browser(void)
 {
 	struct newtPercentTreeColors *c = &defaultPercentTreeColors;
 
-	if (!isatty(1) || !use_browser) {
+	if (!isatty(1) || !use_browser || dump_trace) {
 		setup_pager();
 		return;
 	}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 45b9655f3a5..4e8b6b0c551 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -81,7 +81,7 @@
 #include <inttypes.h>
 #include "../../../include/linux/magic.h"
 #include "types.h"
-
+#include <sys/ttydefaults.h>
 
 #ifndef NO_ICONV
 #include <iconv.h>
@@ -263,6 +263,19 @@ bool strglobmatch(const char *str, const char *pat);
 bool strlazymatch(const char *str, const char *pat);
 unsigned long convert_unit(unsigned long value, char *unit);
 
+#ifndef ESC
+#define ESC 27
+#endif
+
+static inline bool is_exit_key(int key)
+{
+	char up;
+	if (key == CTRL('c') || key == ESC)
+		return true;
+	up = toupper(key);
+	return up == 'Q';
+}
+
 #define _STR(x) #x
 #define STR(x) _STR(x)
 

From 3663df70c028bc435d6f2ec532a4849db62d1656 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Wed, 19 May 2010 15:08:17 +0200
Subject: [PATCH 2767/3638] autofs4: Pushdown the bkl from ioctl

Pushdown the bkl to autofs4_root_ioctl.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ian Kent <raven@themaw.net>
Cc: Autofs <autofs@linux.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
---
 fs/autofs4/root.c | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index e8e5e63ac95..db4117ed780 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -18,13 +18,14 @@
 #include <linux/slab.h>
 #include <linux/param.h>
 #include <linux/time.h>
+#include <linux/smp_lock.h>
 #include "autofs_i.h"
 
 static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *);
 static int autofs4_dir_unlink(struct inode *,struct dentry *);
 static int autofs4_dir_rmdir(struct inode *,struct dentry *);
 static int autofs4_dir_mkdir(struct inode *,struct dentry *,int);
-static int autofs4_root_ioctl(struct inode *, struct file *,unsigned int,unsigned long);
+static long autofs4_root_ioctl(struct file *,unsigned int,unsigned long);
 static int autofs4_dir_open(struct inode *inode, struct file *file);
 static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *);
 static void *autofs4_follow_link(struct dentry *, struct nameidata *);
@@ -38,7 +39,7 @@ const struct file_operations autofs4_root_operations = {
 	.read		= generic_read_dir,
 	.readdir	= dcache_readdir,
 	.llseek		= dcache_dir_lseek,
-	.ioctl		= autofs4_root_ioctl,
+	.unlocked_ioctl	= autofs4_root_ioctl,
 };
 
 const struct file_operations autofs4_dir_operations = {
@@ -902,8 +903,8 @@ int is_autofs4_dentry(struct dentry *dentry)
  * ioctl()'s on the root directory is the chief method for the daemon to
  * generate kernel reactions
  */
-static int autofs4_root_ioctl(struct inode *inode, struct file *filp,
-			     unsigned int cmd, unsigned long arg)
+static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
+				       unsigned int cmd, unsigned long arg)
 {
 	struct autofs_sb_info *sbi = autofs4_sbi(inode->i_sb);
 	void __user *p = (void __user *)arg;
@@ -947,3 +948,16 @@ static int autofs4_root_ioctl(struct inode *inode, struct file *filp,
 		return -ENOSYS;
 	}
 }
+
+static long autofs4_root_ioctl(struct file *filp,
+			       unsigned int cmd, unsigned long arg)
+{
+	long ret;
+	struct inode *inode = filp->f_dentry->d_inode;
+
+	lock_kernel();
+	ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}

From 674b604cdd389252d89a14133b6ebf80165d1d55 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Wed, 19 May 2010 15:08:17 +0200
Subject: [PATCH 2768/3638] sunrpc: Pushdown the bkl from ioctl

Pushdown the bkl to rpc_pipe_ioctl.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Nfs <linux-nfs@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
---
 net/sunrpc/rpc_pipe.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 20e30c6f835..95ccbcf45d3 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -27,6 +27,7 @@
 #include <linux/workqueue.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
 #include <linux/sunrpc/cache.h>
+#include <linux/smp_lock.h>
 
 static struct vfsmount *rpc_mount __read_mostly;
 static int rpc_mount_count;
@@ -309,8 +310,7 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
 }
 
 static int
-rpc_pipe_ioctl(struct inode *ino, struct file *filp,
-		unsigned int cmd, unsigned long arg)
+rpc_pipe_ioctl_unlocked(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode);
 	int len;
@@ -331,13 +331,25 @@ rpc_pipe_ioctl(struct inode *ino, struct file *filp,
 	}
 }
 
+static long
+rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	long ret;
+
+	lock_kernel();
+	ret = rpc_pipe_ioctl_unlocked(filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static const struct file_operations rpc_pipe_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
 	.read		= rpc_pipe_read,
 	.write		= rpc_pipe_write,
 	.poll		= rpc_pipe_poll,
-	.ioctl		= rpc_pipe_ioctl,
+	.unlocked_ioctl	= rpc_pipe_ioctl,
 	.open		= rpc_pipe_open,
 	.release	= rpc_pipe_release,
 };

From 9918ff26b301e9a57f25fb12b44a46ad0c1e8f8f Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Wed, 19 May 2010 15:08:17 +0200
Subject: [PATCH 2769/3638] sunrpc: Pushdown the bkl from sunrpc cache ioctl

Pushdown the bkl to cache_ioctl_pipefs.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Nfs <linux-nfs@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
---
 net/sunrpc/cache.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 39bddba53ba..91b1adec0d6 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -33,6 +33,7 @@
 #include <linux/sunrpc/cache.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
+#include <linux/smp_lock.h>
 
 #define	 RPCDBG_FACILITY RPCDBG_CACHE
 
@@ -1525,12 +1526,18 @@ static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait)
 	return cache_poll(filp, wait, cd);
 }
 
-static int cache_ioctl_pipefs(struct inode *inode, struct file *filp,
+static long cache_ioctl_pipefs(struct file *filp,
 			      unsigned int cmd, unsigned long arg)
 {
+	struct inode *inode = filp->f_dentry->d_inode;
 	struct cache_detail *cd = RPC_I(inode)->private;
+	long ret;
 
-	return cache_ioctl(inode, filp, cmd, arg, cd);
+	lock_kernel();
+	ret = cache_ioctl(inode, filp, cmd, arg, cd);
+	unlock_kernel();
+
+	return ret;
 }
 
 static int cache_open_pipefs(struct inode *inode, struct file *filp)
@@ -1553,7 +1560,7 @@ const struct file_operations cache_file_operations_pipefs = {
 	.read		= cache_read_pipefs,
 	.write		= cache_write_pipefs,
 	.poll		= cache_poll_pipefs,
-	.ioctl		= cache_ioctl_pipefs, /* for FIONREAD */
+	.unlocked_ioctl	= cache_ioctl_pipefs, /* for FIONREAD */
 	.open		= cache_open_pipefs,
 	.release	= cache_release_pipefs,
 };

From 9f37af654fda88a8dcca74c785f6c20e52758866 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Wed, 19 May 2010 15:08:17 +0200
Subject: [PATCH 2770/3638] uml: Pushdown the bkl from harddog_kern ioctl

Pushdown the bkl to harddog_ioctl.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Uml <user-mode-linux-devel@lists.sourceforge.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
---
 arch/um/drivers/harddog_kern.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c
index d332503fa1b..cfcac1ff4cf 100644
--- a/arch/um/drivers/harddog_kern.c
+++ b/arch/um/drivers/harddog_kern.c
@@ -124,8 +124,8 @@ static ssize_t harddog_write(struct file *file, const char __user *data, size_t
 	return 0;
 }
 
-static int harddog_ioctl(struct inode *inode, struct file *file,
-			 unsigned int cmd, unsigned long arg)
+static int harddog_ioctl_unlocked(struct file *file,
+				  unsigned int cmd, unsigned long arg)
 {
 	void __user *argp= (void __user *)arg;
 	static struct watchdog_info ident = {
@@ -148,10 +148,22 @@ static int harddog_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
+static long harddog_ioctl(struct file *file,
+			  unsigned int cmd, unsigned long arg)
+{
+	long ret;
+
+	lock_kernel();
+	ret = harddog_ioctl_unlocked(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static const struct file_operations harddog_fops = {
 	.owner		= THIS_MODULE,
 	.write		= harddog_write,
-	.ioctl		= harddog_ioctl,
+	.unlocked_ioctl	= harddog_ioctl,
 	.open		= harddog_open,
 	.release	= harddog_release,
 };

From 85e0df240e9376ff58eb1a50d9854f5f176dd297 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Fri, 14 May 2010 13:04:39 +0000
Subject: [PATCH 2771/3638] fs/9p: Make sure we properly instantiate dentry.

For lookup if we get ENOENT error from the server we still
instantiate the dentry. We need to make sure we have dentry
operations set in that case so that a later dput on the dentry
does the expected. Without the patch we get the below error

#ln  -sf abc abclink
ln: creating symbolic link `abclink': No such file or directory

Now on the host do
$ touch abclink

Guest now gives ENOENT error.
# ls
ls: cannot access abclink: No such file or directory

Debugged-by:Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_inode.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index de9a39590b7..b44c9997914 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -697,8 +697,8 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 	if (IS_ERR(fid)) {
 		result = PTR_ERR(fid);
 		if (result == -ENOENT) {
-			d_add(dentry, NULL);
-			return NULL;
+			inode = NULL;
+			goto inst_out;
 		}
 
 		return ERR_PTR(result);
@@ -715,7 +715,8 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 	if (result < 0)
 		goto error;
 
-	if ((fid->qid.version) && (v9ses->cache))
+inst_out:
+	if (v9ses->cache)
 		dentry->d_op = &v9fs_cached_dentry_operations;
 	else
 		dentry->d_op = &v9fs_dentry_operations;

From 75cc5c9b82a31936d2a8cb75f34752000e244015 Mon Sep 17 00:00:00 2001
From: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Date: Sat, 22 May 2010 12:20:30 -0500
Subject: [PATCH 2772/3638] 9p: Add mksock support

Without this patch, an attempt to mksock will get an EINVAL.

Before this patch:
[root@localhost 1dir]# mksock mysock
mksock: error making mysock: Invalid argument

With this patch:
[root@localhost 1dir]# mksock mysock
[root@localhost 1dir]# ls    -l mysock
s--------- 1 root root 0 2010-03-31 17:44 mysock

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_inode.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index b44c9997914..29367ee25cb 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1227,6 +1227,8 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
 		sprintf(name, "c %u %u", MAJOR(rdev), MINOR(rdev));
 	else if (S_ISFIFO(mode))
 		*name = 0;
+	else if (S_ISSOCK(mode))
+		*name = 0;
 	else {
 		__putname(name);
 		return -EINVAL;

From fe5bd0736bcdf35bd6cc300211a97c2fef8bd83e Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 08:26:23 +0000
Subject: [PATCH 2773/3638] 9p: cleanup: remove unneeded assignment

We never use "v9ses" and so we can remove it.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_inode.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 29367ee25cb..aecfc0c1794 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -456,14 +456,12 @@ static int v9fs_remove(struct inode *dir, struct dentry *file, int rmdir)
 {
 	int retval;
 	struct inode *file_inode;
-	struct v9fs_session_info *v9ses;
 	struct p9_fid *v9fid;
 
 	P9_DPRINTK(P9_DEBUG_VFS, "inode: %p dentry: %p rmdir: %d\n", dir, file,
 		rmdir);
 
 	file_inode = file->d_inode;
-	v9ses = v9fs_inode2v9ses(file_inode);
 	v9fid = v9fs_fid_clone(file);
 	if (IS_ERR(v9fid))
 		return PTR_ERR(v9fid);

From 6d27e64d74e14c1cf2b4af438d7e8a77017bd654 Mon Sep 17 00:00:00 2001
From: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Date: Mon, 10 May 2010 18:08:28 +0000
Subject: [PATCH 2774/3638] 9p: Optimize TCREATE by eliminating a redundant fid
 clone.

This patch removes a redundant fid clone on the directory fid and hence
reduces a server transaction while creating new filesystem object.

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_inode.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index aecfc0c1794..0ba2db44e0b 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -504,12 +504,11 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	ofid = NULL;
 	fid = NULL;
 	name = (char *) dentry->d_name.name;
-	dfid = v9fs_fid_clone(dentry->d_parent);
+	dfid = v9fs_fid_lookup(dentry->d_parent);
 	if (IS_ERR(dfid)) {
 		err = PTR_ERR(dfid);
-		P9_DPRINTK(P9_DEBUG_VFS, "fid clone failed %d\n", err);
-		dfid = NULL;
-		goto error;
+		P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
+		return ERR_PTR(err);
 	}
 
 	/* clone a fid to use for creation */
@@ -517,8 +516,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	if (IS_ERR(ofid)) {
 		err = PTR_ERR(ofid);
 		P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
-		ofid = NULL;
-		goto error;
+		return ERR_PTR(err);
 	}
 
 	err = p9_client_fcreate(ofid, name, perm, mode, extension);
@@ -528,14 +526,13 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	}
 
 	/* now walk from the parent so we can get unopened fid */
-	fid = p9_client_walk(dfid, 1, &name, 0);
+	fid = p9_client_walk(dfid, 1, &name, 1);
 	if (IS_ERR(fid)) {
 		err = PTR_ERR(fid);
 		P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
 		fid = NULL;
 		goto error;
-	} else
-		dfid = NULL;
+	}
 
 	/* instantiate inode and assign the unopened fid to the dentry */
 	inode = v9fs_inode_from_fid(v9ses, fid, dir->i_sb);
@@ -558,9 +555,6 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	return ofid;
 
 error:
-	if (dfid)
-		p9_client_clunk(dfid);
-
 	if (ofid)
 		p9_client_clunk(ofid);
 

From 6ce3e9c2a2cfb8849dd471349fe5e6bc37c0f13f Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Tue, 16 Mar 2010 14:40:17 +0000
Subject: [PATCH 2775/3638] Blackfin: add support for the DBGA (debug assert)
 pseudo insn

A few pseudo debug insns exist to make testing of simulators easier.
Since these don't actually exist in the hardware, we have to have the
exception handler take care of emulating these.  This allows sim test
cases to be executed unmodified under Linux and thus simplify debugging
greatly.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/Kconfig.debug                   |  9 +++
 .../include/asm/pseudo_instructions.h         | 17 +++++
 arch/blackfin/kernel/Makefile                 |  1 +
 arch/blackfin/kernel/pseudodbg.c              | 73 +++++++++++++++++++
 arch/blackfin/kernel/traps.c                  | 15 ++++
 5 files changed, 115 insertions(+)
 create mode 100644 arch/blackfin/include/asm/pseudo_instructions.h
 create mode 100644 arch/blackfin/kernel/pseudodbg.c

diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug
index aec89a5280b..3c49f76b37b 100644
--- a/arch/blackfin/Kconfig.debug
+++ b/arch/blackfin/Kconfig.debug
@@ -264,4 +264,13 @@ config BFIN_ISRAM_SELF_TEST
 	help
 	  Run some self tests of the isram driver code at boot.
 
+config BFIN_PSEUDODBG_INSNS
+	bool "Support pseudo debug instructions"
+	default n
+	help
+	  This option allows the kernel to emulate some pseudo instructions which
+	  allow simulator test cases to be run under Linux with no changes.
+
+	  Most people should say N here.
+
 endmenu
diff --git a/arch/blackfin/include/asm/pseudo_instructions.h b/arch/blackfin/include/asm/pseudo_instructions.h
new file mode 100644
index 00000000000..7173719fb53
--- /dev/null
+++ b/arch/blackfin/include/asm/pseudo_instructions.h
@@ -0,0 +1,17 @@
+/*
+ * header file for pseudo instructions
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _BLACKFIN_PSEUDO_
+#define _BLACKFIN_PSEUDO_
+
+#include <linux/types.h>
+#include <asm/ptrace.h>
+
+extern bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode);
+
+#endif
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index 2fc7f32ae32..30d0d1f01dc 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_EARLY_PRINTK)           += early_printk.o
 obj-$(CONFIG_EARLY_PRINTK)           += shadow_console.o
 obj-$(CONFIG_STACKTRACE)             += stacktrace.o
 obj-$(CONFIG_DEBUG_VERBOSE)          += trace.o
+obj-$(CONFIG_BFIN_PSEUDODBG_INSNS)   += pseudodbg.o
 
 # the kgdb test puts code into L2 and without linker
 # relaxation, we need to force long calls to/from it
diff --git a/arch/blackfin/kernel/pseudodbg.c b/arch/blackfin/kernel/pseudodbg.c
new file mode 100644
index 00000000000..4474b8db350
--- /dev/null
+++ b/arch/blackfin/kernel/pseudodbg.c
@@ -0,0 +1,73 @@
+/* The fake debug assert instructions
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/ptrace.h>
+
+#define PseudoDbg_Assert_opcode         0xf0000000
+#define PseudoDbg_Assert_expected_bits  0
+#define PseudoDbg_Assert_expected_mask  0xffff
+#define PseudoDbg_Assert_regtest_bits   16
+#define PseudoDbg_Assert_regtest_mask   0x7
+#define PseudoDbg_Assert_grp_bits       19
+#define PseudoDbg_Assert_grp_mask       0x7
+#define PseudoDbg_Assert_dbgop_bits     22
+#define PseudoDbg_Assert_dbgop_mask     0x3
+#define PseudoDbg_Assert_dontcare_bits  24
+#define PseudoDbg_Assert_dontcare_mask  0x7
+#define PseudoDbg_Assert_code_bits      27
+#define PseudoDbg_Assert_code_mask      0x1f
+
+bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode)
+{
+	int expected = ((opcode >> PseudoDbg_Assert_expected_bits) & PseudoDbg_Assert_expected_mask);
+	int dbgop    = ((opcode >> (PseudoDbg_Assert_dbgop_bits)) & PseudoDbg_Assert_dbgop_mask);
+	int grp      = ((opcode >> (PseudoDbg_Assert_grp_bits)) & PseudoDbg_Assert_grp_mask);
+	int regtest  = ((opcode >> (PseudoDbg_Assert_regtest_bits)) & PseudoDbg_Assert_regtest_mask);
+	long *value = &fp->r0;
+
+	if ((opcode & 0xFF000000) != PseudoDbg_Assert_opcode)
+		return false;
+
+	/* Only do Dregs and Pregs for now */
+	if (grp > 1)
+		return false;
+
+	/*
+	 * Unfortunately, the pt_regs structure is not laid out the same way as the
+	 * hardware register file, so we need to do some fix ups.
+	 */
+	if (grp == 0 || (grp == 1 && regtest < 6))
+		value -= (regtest + 8 * grp);
+	else if (grp == 1 && regtest == 6)
+		value = &fp->usp;
+	else if (grp == 1 && regtest == 7)
+		value = &fp->fp;
+
+	if (dbgop == 0 || dbgop == 2) {
+		/* DBGA ( regs_lo , uimm16 ) */
+		/* DBGAL ( regs , uimm16 ) */
+		if (expected != (*value & 0xFFFF)) {
+			pr_notice("DBGA (%s%i.L,0x%x) failure, got 0x%x\n", grp ? "P" : "R",
+				regtest, expected, (unsigned int)(*value & 0xFFFF));
+			return false;
+		}
+
+	} else if (dbgop == 1 || dbgop == 3) {
+		/* DBGA ( regs_hi , uimm16 ) */
+		/* DBGAH ( regs , uimm16 ) */
+		if (expected != ((*value >> 16) & 0xFFFF)) {
+			pr_notice("DBGA (%s%i.H,0x%x) failure, got 0x%x\n", grp ? "P" : "R",
+				regtest, expected, (unsigned int)((*value >> 16) & 0xFFFF));
+			return false;
+		}
+	}
+
+	fp->pc += 4;
+	return true;
+}
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index fffcf8a516b..9369836365b 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -16,6 +16,7 @@
 #include <linux/irq.h>
 #include <asm/trace.h>
 #include <asm/fixed_code.h>
+#include <asm/pseudo_instructions.h>
 
 #ifdef CONFIG_KGDB
 # include <linux/kgdb.h>
@@ -67,6 +68,9 @@ asmlinkage notrace void trap_c(struct pt_regs *fp)
 {
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
 	int j;
+#endif
+#ifdef CONFIG_BFIN_PSEUDODBG_INSNS
+	int opcode;
 #endif
 	unsigned int cpu = raw_smp_processor_id();
 	const char *strerror = NULL;
@@ -199,6 +203,17 @@ asmlinkage notrace void trap_c(struct pt_regs *fp)
 				panic("BUG()");
 			}
 		}
+#endif
+#ifdef CONFIG_BFIN_PSEUDODBG_INSNS
+		/*
+		 * Support for the fake instructions, if the instruction fails,
+		 * then just execute a illegal opcode failure (like normal).
+		 * Don't support these instructions inside the kernel
+		 */
+		if (!kernel_mode_regs(fp) && get_instruction(&opcode, (unsigned short *)fp->pc)) {
+			if (execute_pseudodbg_assert(fp, opcode))
+				goto traps_done;
+		}
 #endif
 		info.si_code = ILL_ILLOPC;
 		sig = SIGILL;

From c429886a7091f9d26dee7d01c20fd822f62c35e0 Mon Sep 17 00:00:00 2001
From: Graf Yang <graf.yang@analog.com>
Date: Wed, 17 Mar 2010 09:00:32 +0000
Subject: [PATCH 2776/3638] Blackfin: allow NMI watchdog to be used w/RETN as a
 scratch reg

NMIs are not safe to return from because many anomaly workarounds are
implemented by disabling interrupts.  The NMI obviously violates this
assumption.  Since the NMI watchdog never returns, we don't have to
worry about it clobbering RETN when it is being used as a scratch register
with the exception stack.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/Kconfig.debug | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug
index 3c49f76b37b..d1825cb2476 100644
--- a/arch/blackfin/Kconfig.debug
+++ b/arch/blackfin/Kconfig.debug
@@ -238,7 +238,7 @@ config EARLY_PRINTK
 config NMI_WATCHDOG
 	bool "Enable NMI watchdog to help debugging lockup on SMP"
 	default n
-	depends on (SMP && !BFIN_SCRATCH_REG_RETN)
+	depends on SMP
 	help
 	  If any CPU in the system does not execute the period local timer
 	  interrupt for more than 5 seconds, then the NMI handler dumps debug

From 6a4110c2b38da51b767e389a6fb477072cf5843c Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Tue, 23 Mar 2010 17:27:41 +0000
Subject: [PATCH 2777/3638] Blackfin: change the BUG opcode to an unused 16-bit
 opcode

The current BUG opcode includes the bit that flags the insn as a 32bit
opcode, but it wasn't declaring it as 32bits.  So pick an unused 16bit.

URL: http://blackfin.uclinux.org/gf/tracker/5973
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/include/asm/bug.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/blackfin/include/asm/bug.h b/arch/blackfin/include/asm/bug.h
index 75f6dc336d4..8d9b1eba89c 100644
--- a/arch/blackfin/include/asm/bug.h
+++ b/arch/blackfin/include/asm/bug.h
@@ -9,7 +9,12 @@
 
 #ifdef CONFIG_BUG
 
-#define BFIN_BUG_OPCODE	0xefcd
+/*
+ * This can be any undefined 16-bit opcode, meaning
+ * ((opcode & 0xc000) != 0xc000)
+ * Anything from 0x0001 to 0x000A (inclusive) will work
+ */
+#define BFIN_BUG_OPCODE	0x0001
 
 #ifdef CONFIG_DEBUG_BUGVERBOSE
 

From dc89d97fc73176c883b32ff21ae6f1164ca20d05 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Sun, 28 Mar 2010 12:50:53 +0000
Subject: [PATCH 2778/3638] Blackfin: add support for the DBG (debug output)
 pseudo insn

Another pseudo insn used by Blackfin simulators.  Also factor some now
common register lookup code out of the DBGA handlers.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 .../include/asm/pseudo_instructions.h         |  1 +
 arch/blackfin/kernel/pseudodbg.c              | 86 +++++++++++++++----
 arch/blackfin/kernel/traps.c                  |  2 +
 3 files changed, 71 insertions(+), 18 deletions(-)

diff --git a/arch/blackfin/include/asm/pseudo_instructions.h b/arch/blackfin/include/asm/pseudo_instructions.h
index 7173719fb53..b00adfa0816 100644
--- a/arch/blackfin/include/asm/pseudo_instructions.h
+++ b/arch/blackfin/include/asm/pseudo_instructions.h
@@ -13,5 +13,6 @@
 #include <asm/ptrace.h>
 
 extern bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode);
+extern bool execute_pseudodbg(struct pt_regs *fp, unsigned int opcode);
 
 #endif
diff --git a/arch/blackfin/kernel/pseudodbg.c b/arch/blackfin/kernel/pseudodbg.c
index 4474b8db350..a5a4636124a 100644
--- a/arch/blackfin/kernel/pseudodbg.c
+++ b/arch/blackfin/kernel/pseudodbg.c
@@ -9,6 +9,30 @@
 #include <linux/kernel.h>
 #include <linux/ptrace.h>
 
+/*
+ * Unfortunately, the pt_regs structure is not laid out the same way as the
+ * hardware register file, so we need to do some fix ups.
+ */
+static bool fix_up_reg(struct pt_regs *fp, long *value, int grp, int reg)
+{
+	long *val = &fp->r0;
+
+	/* Only do Dregs and Pregs for now */
+	if (grp > 1)
+		return false;
+
+	if (grp == 0 || (grp == 1 && reg < 6))
+		val -= (reg + 8 * grp);
+	else if (grp == 1 && reg == 6)
+		val = &fp->usp;
+	else if (grp == 1 && reg == 7)
+		val = &fp->fp;
+
+	*value = *val;
+	return true;
+
+}
+
 #define PseudoDbg_Assert_opcode         0xf0000000
 #define PseudoDbg_Assert_expected_bits  0
 #define PseudoDbg_Assert_expected_mask  0xffff
@@ -23,47 +47,38 @@
 #define PseudoDbg_Assert_code_bits      27
 #define PseudoDbg_Assert_code_mask      0x1f
 
+/*
+ * DBGA - debug assert
+ */
 bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode)
 {
 	int expected = ((opcode >> PseudoDbg_Assert_expected_bits) & PseudoDbg_Assert_expected_mask);
 	int dbgop    = ((opcode >> (PseudoDbg_Assert_dbgop_bits)) & PseudoDbg_Assert_dbgop_mask);
 	int grp      = ((opcode >> (PseudoDbg_Assert_grp_bits)) & PseudoDbg_Assert_grp_mask);
 	int regtest  = ((opcode >> (PseudoDbg_Assert_regtest_bits)) & PseudoDbg_Assert_regtest_mask);
-	long *value = &fp->r0;
+	long value;
 
 	if ((opcode & 0xFF000000) != PseudoDbg_Assert_opcode)
 		return false;
 
-	/* Only do Dregs and Pregs for now */
-	if (grp > 1)
+	if (!fix_up_reg(fp, &value, grp, regtest))
 		return false;
 
-	/*
-	 * Unfortunately, the pt_regs structure is not laid out the same way as the
-	 * hardware register file, so we need to do some fix ups.
-	 */
-	if (grp == 0 || (grp == 1 && regtest < 6))
-		value -= (regtest + 8 * grp);
-	else if (grp == 1 && regtest == 6)
-		value = &fp->usp;
-	else if (grp == 1 && regtest == 7)
-		value = &fp->fp;
-
 	if (dbgop == 0 || dbgop == 2) {
 		/* DBGA ( regs_lo , uimm16 ) */
 		/* DBGAL ( regs , uimm16 ) */
-		if (expected != (*value & 0xFFFF)) {
+		if (expected != (value & 0xFFFF)) {
 			pr_notice("DBGA (%s%i.L,0x%x) failure, got 0x%x\n", grp ? "P" : "R",
-				regtest, expected, (unsigned int)(*value & 0xFFFF));
+				regtest, expected, (unsigned int)(value & 0xFFFF));
 			return false;
 		}
 
 	} else if (dbgop == 1 || dbgop == 3) {
 		/* DBGA ( regs_hi , uimm16 ) */
 		/* DBGAH ( regs , uimm16 ) */
-		if (expected != ((*value >> 16) & 0xFFFF)) {
+		if (expected != ((value >> 16) & 0xFFFF)) {
 			pr_notice("DBGA (%s%i.H,0x%x) failure, got 0x%x\n", grp ? "P" : "R",
-				regtest, expected, (unsigned int)((*value >> 16) & 0xFFFF));
+				regtest, expected, (unsigned int)((value >> 16) & 0xFFFF));
 			return false;
 		}
 	}
@@ -71,3 +86,38 @@ bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode)
 	fp->pc += 4;
 	return true;
 }
+
+#define PseudoDbg_opcode        0xf8000000
+#define PseudoDbg_reg_bits      0
+#define PseudoDbg_reg_mask      0x7
+#define PseudoDbg_grp_bits      3
+#define PseudoDbg_grp_mask      0x7
+#define PseudoDbg_fn_bits       6
+#define PseudoDbg_fn_mask       0x3
+#define PseudoDbg_code_bits     8
+#define PseudoDbg_code_mask     0xff
+
+/*
+ * DBG - debug (dump a register value out)
+ */
+bool execute_pseudodbg(struct pt_regs *fp, unsigned int opcode)
+{
+	int grp, fn, reg;
+	long value;
+
+	if ((opcode & 0xFF000000) != PseudoDbg_opcode)
+		return false;
+
+	opcode >>= 16;
+	grp = ((opcode >> PseudoDbg_grp_bits) & PseudoDbg_reg_mask);
+	fn  = ((opcode >> PseudoDbg_fn_bits)  & PseudoDbg_fn_mask);
+	reg = ((opcode >> PseudoDbg_reg_bits) & PseudoDbg_reg_mask);
+
+	if (!fix_up_reg(fp, &value, grp, reg))
+		return false;
+
+	pr_notice("DBG %s%d = %08lx\n", grp ? "P" : "R", reg, value);
+
+	fp->pc += 2;
+	return true;
+}
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 9369836365b..59c1df75e4d 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -213,6 +213,8 @@ asmlinkage notrace void trap_c(struct pt_regs *fp)
 		if (!kernel_mode_regs(fp) && get_instruction(&opcode, (unsigned short *)fp->pc)) {
 			if (execute_pseudodbg_assert(fp, opcode))
 				goto traps_done;
+			if (execute_pseudodbg(fp, opcode))
+				goto traps_done;
 		}
 #endif
 		info.si_code = ILL_ILLOPC;

From 5a132f7aeba772e1e1f9ccbad14a6779cd40cdfb Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Mon, 29 Mar 2010 02:04:45 +0000
Subject: [PATCH 2779/3638] Blackfin: support all possible registers in the
 pseudo instructions

Rather than decoding just the common R/P registers, handle all of them.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/kernel/pseudodbg.c | 67 +++++++++++++++++++++++++++++---
 1 file changed, 61 insertions(+), 6 deletions(-)

diff --git a/arch/blackfin/kernel/pseudodbg.c b/arch/blackfin/kernel/pseudodbg.c
index a5a4636124a..e57ce2f64bf 100644
--- a/arch/blackfin/kernel/pseudodbg.c
+++ b/arch/blackfin/kernel/pseudodbg.c
@@ -9,16 +9,43 @@
 #include <linux/kernel.h>
 #include <linux/ptrace.h>
 
+const char * const greg_names[] = {
+	"R0",    "R1",      "R2",     "R3",    "R4",    "R5",    "R6",     "R7",
+	"P0",    "P1",      "P2",     "P3",    "P4",    "P5",    "SP",     "FP",
+	"I0",    "I1",      "I2",     "I3",    "M0",    "M1",    "M2",     "M3",
+	"B0",    "B1",      "B2",     "B3",    "L0",    "L1",    "L2",     "L3",
+	"A0.X",  "A0.W",    "A1.X",   "A1.W",  "<res>", "<res>", "ASTAT",  "RETS",
+	"<res>", "<res>",   "<res>",  "<res>", "<res>", "<res>", "<res>",  "<res>",
+	"LC0",   "LT0",     "LB0",    "LC1",   "LT1",   "LB1",   "CYCLES", "CYCLES2",
+	"USP",   "SEQSTAT", "SYSCFG", "RETI",  "RETX",  "RETN",  "RETE",   "EMUDAT",
+};
+
+static const char *get_allreg_name(int grp, int reg)
+{
+	return greg_names[(grp << 3) | reg];
+}
+
 /*
  * Unfortunately, the pt_regs structure is not laid out the same way as the
  * hardware register file, so we need to do some fix ups.
+ *
+ * CYCLES is not stored in the pt_regs structure - so, we just read it from
+ * the hardware.
+ *
+ * Don't support:
+ *  - All reserved registers
+ *  - All in group 7 are (supervisors only)
  */
+
 static bool fix_up_reg(struct pt_regs *fp, long *value, int grp, int reg)
 {
 	long *val = &fp->r0;
+	unsigned long tmp;
 
 	/* Only do Dregs and Pregs for now */
-	if (grp > 1)
+	if (grp == 5 ||
+	   (grp == 4 && (reg == 4 || reg == 5)) ||
+	   (grp == 7))
 		return false;
 
 	if (grp == 0 || (grp == 1 && reg < 6))
@@ -27,6 +54,32 @@ static bool fix_up_reg(struct pt_regs *fp, long *value, int grp, int reg)
 		val = &fp->usp;
 	else if (grp == 1 && reg == 7)
 		val = &fp->fp;
+	else if (grp == 2) {
+		val = &fp->i0;
+		val -= reg;
+	} else if (grp == 3 && reg >= 4) {
+		val = &fp->l0;
+		val -= (reg - 4);
+	} else if (grp == 3 && reg < 4) {
+		val = &fp->b0;
+		val -= reg;
+	} else if (grp == 4 && reg < 4) {
+		val = &fp->a0x;
+		val -= reg;
+	} else if (grp == 4 && reg == 6)
+		val = &fp->astat;
+	else if (grp == 4 && reg == 7)
+		val = &fp->rets;
+	else if (grp == 6 && reg < 6) {
+		val = &fp->lc0;
+		val -= reg;
+	} else if (grp == 6 && reg == 6) {
+		__asm__ __volatile__("%0 = cycles;\n" : "=d"(tmp));
+		val = &tmp;
+	} else if (grp == 6 && reg == 7) {
+		__asm__ __volatile__("%0 = cycles2;\n" : "=d"(tmp));
+		val = &tmp;
+	}
 
 	*value = *val;
 	return true;
@@ -68,8 +121,9 @@ bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode)
 		/* DBGA ( regs_lo , uimm16 ) */
 		/* DBGAL ( regs , uimm16 ) */
 		if (expected != (value & 0xFFFF)) {
-			pr_notice("DBGA (%s%i.L,0x%x) failure, got 0x%x\n", grp ? "P" : "R",
-				regtest, expected, (unsigned int)(value & 0xFFFF));
+			pr_notice("DBGA (%s.L,0x%x) failure, got 0x%x\n",
+				get_allreg_name(grp, regtest),
+				expected, (unsigned int)(value & 0xFFFF));
 			return false;
 		}
 
@@ -77,8 +131,9 @@ bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode)
 		/* DBGA ( regs_hi , uimm16 ) */
 		/* DBGAH ( regs , uimm16 ) */
 		if (expected != ((value >> 16) & 0xFFFF)) {
-			pr_notice("DBGA (%s%i.H,0x%x) failure, got 0x%x\n", grp ? "P" : "R",
-				regtest, expected, (unsigned int)((value >> 16) & 0xFFFF));
+			pr_notice("DBGA (%s.H,0x%x) failure, got 0x%x\n",
+				get_allreg_name(grp, regtest),
+				expected, (unsigned int)((value >> 16) & 0xFFFF));
 			return false;
 		}
 	}
@@ -116,7 +171,7 @@ bool execute_pseudodbg(struct pt_regs *fp, unsigned int opcode)
 	if (!fix_up_reg(fp, &value, grp, reg))
 		return false;
 
-	pr_notice("DBG %s%d = %08lx\n", grp ? "P" : "R", reg, value);
+	pr_notice("DBG %s = %08lx\n", get_allreg_name(grp, reg), value);
 
 	fp->pc += 2;
 	return true;

From a6d9dbf5e4daaf21b33917a809a5ac1e7bce9e05 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Mon, 29 Mar 2010 04:30:40 +0000
Subject: [PATCH 2780/3638] Blackfin: show the whole accumulator in the pseudo
 DBG insn

Rather than print just part of the accumulator register, show the whole
40 bits.  This matches the simulator behavior better.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/kernel/pseudodbg.c | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/arch/blackfin/kernel/pseudodbg.c b/arch/blackfin/kernel/pseudodbg.c
index e57ce2f64bf..db85bc94334 100644
--- a/arch/blackfin/kernel/pseudodbg.c
+++ b/arch/blackfin/kernel/pseudodbg.c
@@ -158,7 +158,7 @@ bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode)
 bool execute_pseudodbg(struct pt_regs *fp, unsigned int opcode)
 {
 	int grp, fn, reg;
-	long value;
+	long value, value1;
 
 	if ((opcode & 0xFF000000) != PseudoDbg_opcode)
 		return false;
@@ -168,11 +168,24 @@ bool execute_pseudodbg(struct pt_regs *fp, unsigned int opcode)
 	fn  = ((opcode >> PseudoDbg_fn_bits)  & PseudoDbg_fn_mask);
 	reg = ((opcode >> PseudoDbg_reg_bits) & PseudoDbg_reg_mask);
 
-	if (!fix_up_reg(fp, &value, grp, reg))
-		return false;
+	if (fn == 3 && (reg == 0 || reg == 1)) {
+		if (!fix_up_reg(fp, &value, 4, 2 * reg))
+			return false;
+		if (!fix_up_reg(fp, &value1, 4, 2 * reg + 1))
+			return false;
 
-	pr_notice("DBG %s = %08lx\n", get_allreg_name(grp, reg), value);
+		pr_notice("DBG A%i = %02lx%08lx\n", reg, value & 0xFF, value1);
+		fp->pc += 2;
+		return true;
 
-	fp->pc += 2;
-	return true;
+	} else if (fn == 0) {
+		if (!fix_up_reg(fp, &value, grp, reg))
+			return false;
+
+		pr_notice("DBG %s = %08lx\n", get_allreg_name(grp, reg), value);
+		fp->pc += 2;
+		return true;
+	}
+
+	return false;
 }

From a80d5f449d1794d8e402f28cf3e1e9b57cb9f2d4 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Mon, 29 Mar 2010 14:07:33 +0000
Subject: [PATCH 2781/3638] Blackfin: handle HW errors in the new "FAULT"
 printing code

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/kernel/trace.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
index 317d4273ca6..59fcdf6b013 100644
--- a/arch/blackfin/kernel/trace.c
+++ b/arch/blackfin/kernel/trace.c
@@ -672,6 +672,15 @@ void dump_bfin_trace_buffer(void)
 			 * the trace buffer, (since it doesn't commit), so
 			 * we print out the fault address here
 			 */
+			if (!fault && addr == ((unsigned short *)evt_ivhw)) {
+				addr = (unsigned short *)bfin_read_TBUF();
+				decode_address(buf, (unsigned long)addr);
+				pr_notice("      FAULT : %s ", buf);
+				decode_instruction(addr);
+				pr_cont("\n");
+				fault = 1;
+				continue;
+			}
 			if (!fault && addr == (unsigned short *)trap &&
 				(cpu_pda[cpu].seqstat & SEQSTAT_EXCAUSE) > VEC_EXCPT15) {
 				decode_address(buf, cpu_pda[cpu].icplb_fault_addr);

From d2db97bf6bafde4ec114d1837dd3fc4cea64b2ea Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Mon, 12 Apr 2010 05:53:35 +0000
Subject: [PATCH 2782/3638] Blackfin: kgdb: pass up the CC register instead of
 a 0 stub

While the CC pseudo register can be deduced from the ASTAT register, make
sure we set its value correctly instead of always stubbing it out as 0.
GDB itself looks at this pseudo register instead of ASTAT, so we have to
supply the right value.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/kernel/kgdb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index 2c501ceb1e5..ad1c0530848 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -66,7 +66,7 @@ void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 	gdb_regs[BFIN_RETN] = regs->retn;
 	gdb_regs[BFIN_RETE] = regs->rete;
 	gdb_regs[BFIN_PC] = regs->pc;
-	gdb_regs[BFIN_CC] = 0;
+	gdb_regs[BFIN_CC] = (regs->astat >> 5) & 1;
 	gdb_regs[BFIN_EXTRA1] = 0;
 	gdb_regs[BFIN_EXTRA2] = 0;
 	gdb_regs[BFIN_EXTRA3] = 0;

From 11cabcb95e0d9de15f3d8a9d25336edfc5444337 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 15 Apr 2010 16:31:43 +0000
Subject: [PATCH 2783/3638] Blackfin: bf537-minotaur: fix build errors due to
 header changes

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mach-bf537/boards/minotaur.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/blackfin/mach-bf537/boards/minotaur.c b/arch/blackfin/mach-bf537/boards/minotaur.c
index c489d602c59..05d45994480 100644
--- a/arch/blackfin/mach-bf537/boards/minotaur.c
+++ b/arch/blackfin/mach-bf537/boards/minotaur.c
@@ -23,12 +23,13 @@
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/reboot.h>
+#include <asm/portmux.h>
 #include <linux/spi/ad7877.h>
 
 /*
  * Name the Board for the /proc/cpuinfo
  */
-char *bfin_board_name = "CamSig Minotaur BF537";
+const char bfin_board_name[] = "CamSig Minotaur BF537";
 
 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 static struct resource bfin_pcmcia_cf_resources[] = {

From 80fcdb959343ab9e0ee95c11b5ea47c44a2c3004 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 22 Apr 2010 21:15:00 +0000
Subject: [PATCH 2784/3638] Blackfin: SIC: cut down on IAR MMR reads a bit

Tweak the for loops that operate on the SIC IAR system MMRs to avoid
re-reading them multiple times in a row.  System MMRs are a little
slower to access, so avoid the penalty when possible.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mach-common/ints-priority.c | 33 ++++++++++++-----------
 1 file changed, 18 insertions(+), 15 deletions(-)

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index ce988713445..1c8c4c7245c 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -92,26 +92,29 @@ static void __init search_IAR(void)
 {
 	unsigned ivg, irq_pos = 0;
 	for (ivg = 0; ivg <= IVG13 - IVG7; ivg++) {
-		int irqn;
+		int irqN;
 
 		ivg7_13[ivg].istop = ivg7_13[ivg].ifirst = &ivg_table[irq_pos];
 
-		for (irqn = 0; irqn < NR_PERI_INTS; irqn++) {
-			int iar_shift = (irqn & 7) * 4;
-				if (ivg == (0xf &
-#if defined(CONFIG_BF52x) || defined(CONFIG_BF538) \
-	|| defined(CONFIG_BF539) || defined(CONFIG_BF51x)
-			     bfin_read32((unsigned long *)SIC_IAR0 +
-					 ((irqn % 32) >> 3) + ((irqn / 32) *
-					 ((SIC_IAR4 - SIC_IAR0) / 4))) >> iar_shift)) {
+		for (irqN = 0; irqN < NR_PERI_INTS; irqN += 4) {
+			int irqn;
+			u32 iar = bfin_read32((unsigned long *)SIC_IAR0 +
+#if defined(CONFIG_BF51x) || defined(CONFIG_BF52x) || \
+	defined(CONFIG_BF538) || defined(CONFIG_BF539)
+				((irqN % 32) >> 3) + ((irqN / 32) * ((SIC_IAR4 - SIC_IAR0) / 4))
 #else
-			     bfin_read32((unsigned long *)SIC_IAR0 +
-					 (irqn >> 3)) >> iar_shift)) {
+				(irqN >> 3)
 #endif
-				ivg_table[irq_pos].irqno = IVG7 + irqn;
-				ivg_table[irq_pos].isrflag = 1 << (irqn % 32);
-				ivg7_13[ivg].istop++;
-				irq_pos++;
+				);
+
+			for (irqn = irqN; irqn < irqN + 4; ++irqn) {
+				int iar_shift = (irqn & 7) * 4;
+				if (ivg == (0xf & (iar >> iar_shift))) {
+					ivg_table[irq_pos].irqno = IVG7 + irqn;
+					ivg_table[irq_pos].isrflag = 1 << (irqn % 32);
+					ivg7_13[ivg].istop++;
+					irq_pos++;
+				}
 			}
 		}
 	}

From 479ba6035862a9c08ce4351c7fff8926fde4ede5 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Mon, 3 May 2010 17:23:20 +0000
Subject: [PATCH 2785/3638] Blackfin: move string functions to normal lib/
 assembly

Since 'extern inline' doesn't work correctly in the context of the Linux
kernel (too many overriding defines), move the string functions to normal
lib/ assembly files (like the existing mem funcs).  This avoids the forced
inline all over the kernel and allows us to place them constantly in L1.

This also avoids some module failures when gcc inserts calls to string
functions but the kernel build system doesn't fully consult the library
archives.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/Kconfig              |  28 +++++++
 arch/blackfin/include/asm/string.h | 113 +----------------------------
 arch/blackfin/kernel/bfin_ksyms.c  |  12 +++
 arch/blackfin/lib/strcmp.S         |  43 +++++++++++
 arch/blackfin/lib/strcmp.c         |  19 -----
 arch/blackfin/lib/strcpy.S         |  35 +++++++++
 arch/blackfin/lib/strcpy.c         |  19 -----
 arch/blackfin/lib/strncmp.S        |  52 +++++++++++++
 arch/blackfin/lib/strncmp.c        |  18 -----
 arch/blackfin/lib/strncpy.S        |  52 +++++++++++++
 arch/blackfin/lib/strncpy.c        |  19 -----
 11 files changed, 226 insertions(+), 184 deletions(-)
 create mode 100644 arch/blackfin/lib/strcmp.S
 delete mode 100644 arch/blackfin/lib/strcmp.c
 create mode 100644 arch/blackfin/lib/strcpy.S
 delete mode 100644 arch/blackfin/lib/strcpy.c
 create mode 100644 arch/blackfin/lib/strncmp.S
 delete mode 100644 arch/blackfin/lib/strncmp.c
 create mode 100644 arch/blackfin/lib/strncpy.S
 delete mode 100644 arch/blackfin/lib/strncpy.c

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 405bdaa1733..7b9fc9c9c0c 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -791,6 +791,34 @@ config MEMCPY_L1
 	  If enabled, the memcpy function is linked
 	  into L1 instruction memory. (less latency)
 
+config STRCMP_L1
+	bool "locate strcmp function in L1 Memory"
+	default y
+	help
+	  If enabled, the strcmp function is linked
+	  into L1 instruction memory (less latency).
+
+config STRNCMP_L1
+	bool "locate strncmp function in L1 Memory"
+	default y
+	help
+	  If enabled, the strncmp function is linked
+	  into L1 instruction memory (less latency).
+
+config STRCPY_L1
+	bool "locate strcpy function in L1 Memory"
+	default y
+	help
+	  If enabled, the strcpy function is linked
+	  into L1 instruction memory (less latency).
+
+config STRNCPY_L1
+	bool "locate strncpy function in L1 Memory"
+	default y
+	help
+	  If enabled, the strncpy function is linked
+	  into L1 instruction memory (less latency).
+
 config SYS_BFIN_SPINLOCK_L1
 	bool "Locate sys_bfin_spinlock function in L1 Memory"
 	default y
diff --git a/arch/blackfin/include/asm/string.h b/arch/blackfin/include/asm/string.h
index d7f0ccb418c..423c099aa98 100644
--- a/arch/blackfin/include/asm/string.h
+++ b/arch/blackfin/include/asm/string.h
@@ -12,121 +12,16 @@
 #ifdef __KERNEL__		/* only set these up for kernel code */
 
 #define __HAVE_ARCH_STRCPY
-extern inline char *strcpy(char *dest, const char *src)
-{
-	char *xdest = dest;
-	char temp = 0;
-
-	__asm__ __volatile__ (
-		"1:"
-		"%2 = B [%1++] (Z);"
-		"B [%0++] = %2;"
-		"CC = %2;"
-		"if cc jump 1b (bp);"
-		: "+&a" (dest), "+&a" (src), "=&d" (temp)
-		:
-		: "memory", "CC");
-
-	return xdest;
-}
+extern char *strcpy(char *dest, const char *src);
 
 #define __HAVE_ARCH_STRNCPY
-extern inline char *strncpy(char *dest, const char *src, size_t n)
-{
-	char *xdest = dest;
-	char temp = 0;
-
-	if (n == 0)
-		return xdest;
-
-	__asm__ __volatile__ (
-		"1:"
-		"%3 = B [%1++] (Z);"
-		"B [%0++] = %3;"
-		"CC = %3;"
-		"if ! cc jump 2f;"
-		"%2 += -1;"
-		"CC = %2 == 0;"
-		"if ! cc jump 1b (bp);"
-		"jump 4f;"
-		"2:"
-		/* if src is shorter than n, we need to null pad bytes now */
-		"%3 = 0;"
-		"3:"
-		"%2 += -1;"
-		"CC = %2 == 0;"
-		"if cc jump 4f;"
-		"B [%0++] = %3;"
-		"jump 3b;"
-		"4:"
-		: "+&a" (dest), "+&a" (src), "+&da" (n), "=&d" (temp)
-		:
-		: "memory", "CC");
-
-	return xdest;
-}
+extern char *strncpy(char *dest, const char *src, size_t n);
 
 #define __HAVE_ARCH_STRCMP
-extern inline int strcmp(const char *cs, const char *ct)
-{
-	/* need to use int's here so the char's in the assembly don't get
-	 * sign extended incorrectly when we don't want them to be
-	 */
-	int __res1, __res2;
-
-	__asm__ __volatile__ (
-		"1:"
-		"%2 = B[%0++] (Z);"      /* get *cs */
-		"%3 = B[%1++] (Z);"      /* get *ct */
-		"CC = %2 == %3;"         /* compare a byte */
-		"if ! cc jump 2f;"       /* not equal, break out */
-		"CC = %2;"               /* at end of cs? */
-		"if cc jump 1b (bp);"    /* no, keep going */
-		"jump.s 3f;"             /* strings are equal */
-		"2:"
-		"%2 = %2 - %3;"          /* *cs - *ct */
-		"3:"
-		: "+&a" (cs), "+&a" (ct), "=&d" (__res1), "=&d" (__res2)
-		:
-		: "memory", "CC");
-
-	return __res1;
-}
+extern int strcmp(const char *cs, const char *ct);
 
 #define __HAVE_ARCH_STRNCMP
-extern inline int strncmp(const char *cs, const char *ct, size_t count)
-{
-	/* need to use int's here so the char's in the assembly don't get
-	 * sign extended incorrectly when we don't want them to be
-	 */
-	int __res1, __res2;
-
-	if (!count)
-		return 0;
-
-	__asm__ __volatile__ (
-		"1:"
-		"%3 = B[%0++] (Z);"      /* get *cs */
-		"%4 = B[%1++] (Z);"      /* get *ct */
-		"CC = %3 == %4;"         /* compare a byte */
-		"if ! cc jump 3f;"       /* not equal, break out */
-		"CC = %3;"               /* at end of cs? */
-		"if ! cc jump 4f;"       /* yes, all done */
-		"%2 += -1;"              /* no, adjust count */
-		"CC = %2 == 0;"
-		"if ! cc jump 1b;"       /* more to do, keep going */
-		"2:"
-		"%3 = 0;"                /* strings are equal */
-		"jump.s 4f;"
-		"3:"
-		"%3 = %3 - %4;"          /* *cs - *ct */
-		"4:"
-		: "+&a" (cs), "+&a" (ct), "+&da" (count), "=&d" (__res1), "=&d" (__res2)
-		:
-		: "memory", "CC");
-
-	return __res1;
-}
+extern int strncmp(const char *cs, const char *ct, size_t count);
 
 #define __HAVE_ARCH_MEMSET
 extern void *memset(void *s, int c, size_t count);
diff --git a/arch/blackfin/kernel/bfin_ksyms.c b/arch/blackfin/kernel/bfin_ksyms.c
index ed8392c117e..2c264b51566 100644
--- a/arch/blackfin/kernel/bfin_ksyms.c
+++ b/arch/blackfin/kernel/bfin_ksyms.c
@@ -32,6 +32,18 @@ EXPORT_SYMBOL(memcmp);
 EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(memchr);
 
+/*
+ * Because string functions are both inline and exported functions and
+ * folder arch/blackfin/lib is configured as a library path in Makefile,
+ * symbols exported in folder lib  is not linked into built-in.o but
+ * inlined only. In order to export string symbols to kernel module
+ * properly, they should be exported here.
+ */
+EXPORT_SYMBOL(strcpy);
+EXPORT_SYMBOL(strncpy);
+EXPORT_SYMBOL(strcmp);
+EXPORT_SYMBOL(strncmp);
+
 /*
  * libgcc functions - functions that are used internally by the
  * compiler...  (prototypes are not correct though, but that
diff --git a/arch/blackfin/lib/strcmp.S b/arch/blackfin/lib/strcmp.S
new file mode 100644
index 00000000000..d7c1d158973
--- /dev/null
+++ b/arch/blackfin/lib/strcmp.S
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2005-2010 Analog Devices Inc.
+ *
+ * Licensed under the ADI BSD license or the GPL-2 (or later)
+ */
+
+#include <linux/linkage.h>
+
+/* void *strcmp(char *s1, const char *s2);
+ * R0 = address (s1)
+ * R1 = address (s2)
+ *
+ * Returns an integer less than, equal to, or greater than zero if s1
+ *  (or the first n  bytes thereof) is found, respectively, to be less
+ *  than, to match, or be greater than s2.
+ */
+
+#ifdef CONFIG_STRCMP_L1
+.section .l1.text
+#else
+.text
+#endif
+
+.align 2
+
+ENTRY(_strcmp)
+	P0 = R0 ;       /* s1 */
+	P1 = R1 ;       /* s2 */
+
+1:
+	R0 = B[P0++] (Z);      /* get *s1 */
+	R1 = B[P1++] (Z);      /* get *s2 */
+	CC = R0 == R1;         /* compare a byte */
+	if ! cc jump 2f;       /* not equal, break out */
+	CC = R0;               /* at end of s1? */
+	if cc jump 1b (bp);    /* no, keep going */
+	jump.s 3f;             /* strings are equal */
+2:
+	R0 = R0 - R1;          /* *s1 - *s2 */
+3:
+	RTS;
+
+ENDPROC(_strcmp)
diff --git a/arch/blackfin/lib/strcmp.c b/arch/blackfin/lib/strcmp.c
deleted file mode 100644
index fde39a1950c..00000000000
--- a/arch/blackfin/lib/strcmp.c
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Provide symbol in case str func is not inlined.
- *
- * Copyright (c) 2006-2007 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#define strcmp __inline_strcmp
-#include <asm/string.h>
-#undef strcmp
-
-#include <linux/module.h>
-
-int strcmp(const char *dest, const char *src)
-{
-	return __inline_strcmp(dest, src);
-}
-EXPORT_SYMBOL(strcmp);
diff --git a/arch/blackfin/lib/strcpy.S b/arch/blackfin/lib/strcpy.S
new file mode 100644
index 00000000000..a6a0c636380
--- /dev/null
+++ b/arch/blackfin/lib/strcpy.S
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2005-2010 Analog Devices Inc.
+ *
+ * Licensed under the ADI BSD license or the GPL-2 (or later)
+ */
+
+#include <linux/linkage.h>
+
+/* void *strcpy(char *dest, const char *src);
+ * R0 = address (dest)
+ * R1 = address (src)
+ *
+ * Returns a pointer to the destination string dest
+ */
+
+#ifdef CONFIG_STRCPY_L1
+.section .l1.text
+#else
+.text
+#endif
+
+.align 2
+
+ENTRY(_strcpy)
+	P0 = R0 ;       /* dst*/
+	P1 = R1 ;       /* src*/
+
+1:
+	R1 = B [P1++] (Z);
+	B [P0++] = R1;
+	CC = R1;
+	if cc jump 1b (bp);
+	RTS;
+
+ENDPROC(_strcpy)
diff --git a/arch/blackfin/lib/strcpy.c b/arch/blackfin/lib/strcpy.c
deleted file mode 100644
index 2a8836b1f4d..00000000000
--- a/arch/blackfin/lib/strcpy.c
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Provide symbol in case str func is not inlined.
- *
- * Copyright (c) 2006-2007 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#define strcpy __inline_strcpy
-#include <asm/string.h>
-#undef strcpy
-
-#include <linux/module.h>
-
-char *strcpy(char *dest, const char *src)
-{
-	return __inline_strcpy(dest, src);
-}
-EXPORT_SYMBOL(strcpy);
diff --git a/arch/blackfin/lib/strncmp.S b/arch/blackfin/lib/strncmp.S
new file mode 100644
index 00000000000..6da37c34a84
--- /dev/null
+++ b/arch/blackfin/lib/strncmp.S
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2005-2010 Analog Devices Inc.
+ *
+ * Licensed under the ADI BSD license or the GPL-2 (or later)
+ */
+
+#include <linux/linkage.h>
+
+/* void *strncpy(char *s1, const char *s2, size_t n);
+ * R0 = address (dest)
+ * R1 = address (src)
+ * R2 = size (n)
+ * Returns a pointer to the destination string dest
+ */
+
+#ifdef CONFIG_STRNCMP_L1
+.section .l1.text
+#else
+.text
+#endif
+
+.align 2
+
+ENTRY(_strncmp)
+	CC = R2 == 0;
+	if CC JUMP 5f;
+
+	P0 = R0 ;       /* s1 */
+	P1 = R1 ;       /* s2 */
+1:
+	R0 = B[P0++] (Z);      /* get *s1 */
+	R1 = B[P1++] (Z);      /* get *s2 */
+	CC = R0 == R1;         /* compare a byte */
+	if ! cc jump 3f;       /* not equal, break out */
+	CC = R0;               /* at end of s1? */
+	if ! cc jump 4f;       /* yes, all done */
+	R2 += -1;              /* no, adjust count */
+	CC = R2 == 0;
+	if ! cc jump 1b (bp);  /* more to do, keep going */
+2:
+	R0 = 0;                /* strings are equal */
+	jump.s 4f;
+3:
+	R0 = R0 - R1;          /* *s1 - *s2 */
+4:
+	RTS;
+
+5:
+	R0 = 0;
+	RTS;
+
+ENDPROC(_strncmp)
diff --git a/arch/blackfin/lib/strncmp.c b/arch/blackfin/lib/strncmp.c
deleted file mode 100644
index 46518b1d298..00000000000
--- a/arch/blackfin/lib/strncmp.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Provide symbol in case str func is not inlined.
- *
- * Copyright (c) 2006-2007 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#define strncmp __inline_strncmp
-#include <asm/string.h>
-#include <linux/module.h>
-#undef strncmp
-
-int strncmp(const char *cs, const char *ct, size_t count)
-{
-	return __inline_strncmp(cs, ct, count);
-}
-EXPORT_SYMBOL(strncmp);
diff --git a/arch/blackfin/lib/strncpy.S b/arch/blackfin/lib/strncpy.S
new file mode 100644
index 00000000000..39fbbe6523e
--- /dev/null
+++ b/arch/blackfin/lib/strncpy.S
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2005-2010 Analog Devices Inc.
+ *
+ * Licensed under the ADI BSD license or the GPL-2 (or later)
+ */
+
+#include <linux/linkage.h>
+
+/* void *strncpy(char *dest, const char *src, size_t n);
+ * R0 = address (dest)
+ * R1 = address (src)
+ * R2 = size
+ * Returns a pointer to the destination string dest
+ */
+
+#ifdef CONFIG_STRNCPY_L1
+.section .l1.text
+#else
+.text
+#endif
+
+.align 2
+
+ENTRY(_strncpy)
+	CC = R2 == 0;
+	if CC JUMP 4f;
+	P0 = R0 ;       /* dst*/
+	P1 = R1 ;       /* src*/
+
+1:
+	R1 = B [P1++] (Z);
+	B [P0++] = R1;
+	CC = R1;
+	if ! cc jump 2f;
+	R2 += -1;
+	CC = R2 == 0;
+	if ! cc jump 1b (bp);
+	jump 4f;
+2:
+	/* if src is shorter than n, we need to null pad bytes in dest */
+	R1 = 0;
+3:
+	R2 += -1;
+	CC = R2 == 0;
+	if cc jump 4f;
+	B [P0++] = R1;
+	jump 3b;
+
+4:
+	RTS;
+
+ENDPROC(_strncpy)
diff --git a/arch/blackfin/lib/strncpy.c b/arch/blackfin/lib/strncpy.c
deleted file mode 100644
index ea1dc6bf237..00000000000
--- a/arch/blackfin/lib/strncpy.c
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Provide symbol in case str func is not inlined.
- *
- * Copyright (c) 2006-2007 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#define strncpy __inline_strncpy
-#include <asm/string.h>
-#undef strncpy
-
-#include <linux/module.h>
-
-char *strncpy(char *dest, const char *src, size_t n)
-{
-	return __inline_strncpy(dest, src, n);
-}
-EXPORT_SYMBOL(strncpy);

From c70dcabc8eba18113a4735e7b1bd09f7493e38f0 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 4 May 2010 04:14:08 +0000
Subject: [PATCH 2786/3638] Blackfin: isram: clean up ITEST_COMMAND macro and
 improve the selftests

The IADDR2DTEST() macro had some duplicated logic with bit 11 and some
incorrect comments, so scrub all of that.

In order to verify these aren't a problem (and won't be in the future),
extend the self tests to operate on as much L1 SRAM as possible.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mm/isram-driver.c | 94 ++++++++++++++++++---------------
 1 file changed, 51 insertions(+), 43 deletions(-)

diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c
index 39b058564f6..7e2e674ed44 100644
--- a/arch/blackfin/mm/isram-driver.c
+++ b/arch/blackfin/mm/isram-driver.c
@@ -43,13 +43,12 @@ static DEFINE_SPINLOCK(dtest_lock);
 /* Takes a void pointer */
 #define IADDR2DTEST(x) \
 	({ unsigned long __addr = (unsigned long)(x); \
-		(__addr & 0x47F8)        | /* address bits 14 & 10:3 */ \
-		(__addr & 0x8000) << 23  | /* Bank A/B               */ \
-		(__addr & 0x0800) << 15  | /* address bit  11        */ \
-		(__addr & 0x3000) <<  4  | /* address bits 13:12     */ \
-		(__addr & 0x8000) <<  8  | /* address bit  15        */ \
-		(0x1000000)              | /* instruction access = 1 */ \
-		(0x4);                     /* data array = 1         */ \
+		((__addr & (1 << 11)) << (26 - 11)) | /* addr bit 11 (Way0/Way1)   */ \
+		(1 << 24)                           | /* instruction access = 1    */ \
+		((__addr & (1 << 15)) << (23 - 15)) | /* addr bit 15 (Data Bank)   */ \
+		((__addr & (3 << 12)) << (16 - 12)) | /* addr bits 13:12 (Subbank) */ \
+		(__addr & 0x47F8)                   | /* addr bits 14 & 10:3       */ \
+		(1 << 2);                             /* data array = 1            */ \
 	})
 
 /* Takes a pointer, and returns the offset (in bits) which things should be shifted */
@@ -196,7 +195,7 @@ EXPORT_SYMBOL(isram_memcpy);
 
 #ifdef CONFIG_BFIN_ISRAM_SELF_TEST
 
-#define TEST_LEN 0x100
+static int test_len = 0x20000;
 
 static __init void hex_dump(unsigned char *buf, int len)
 {
@@ -212,15 +211,15 @@ static __init int isram_read_test(char *sdram, void *l1inst)
 	pr_info("INFO: running isram_read tests\n");
 
 	/* setup some different data to play with */
-	for (i = 0; i < TEST_LEN; ++i)
-		sdram[i] = i;
-	dma_memcpy(l1inst, sdram, TEST_LEN);
+	for (i = 0; i < test_len; ++i)
+		sdram[i] = i % 255;
+	dma_memcpy(l1inst, sdram, test_len);
 
 	/* make sure we can read the L1 inst */
-	for (i = 0; i < TEST_LEN; i += sizeof(uint64_t)) {
+	for (i = 0; i < test_len; i += sizeof(uint64_t)) {
 		data1 = isram_read(l1inst + i);
 		memcpy(&data2, sdram + i, sizeof(data2));
-		if (memcmp(&data1, &data2, sizeof(uint64_t))) {
+		if (data1 != data2) {
 			pr_err("FAIL: isram_read(%p) returned %#llx but wanted %#llx\n",
 				l1inst + i, data1, data2);
 			++ret;
@@ -238,25 +237,25 @@ static __init int isram_write_test(char *sdram, void *l1inst)
 	pr_info("INFO: running isram_write tests\n");
 
 	/* setup some different data to play with */
-	memset(sdram, 0, TEST_LEN * 2);
-	dma_memcpy(l1inst, sdram, TEST_LEN);
-	for (i = 0; i < TEST_LEN; ++i)
-		sdram[i] = i;
+	memset(sdram, 0, test_len * 2);
+	dma_memcpy(l1inst, sdram, test_len);
+	for (i = 0; i < test_len; ++i)
+		sdram[i] = i % 255;
 
 	/* make sure we can write the L1 inst */
-	for (i = 0; i < TEST_LEN; i += sizeof(uint64_t)) {
+	for (i = 0; i < test_len; i += sizeof(uint64_t)) {
 		memcpy(&data1, sdram + i, sizeof(data1));
 		isram_write(l1inst + i, data1);
 		data2 = isram_read(l1inst + i);
-		if (memcmp(&data1, &data2, sizeof(uint64_t))) {
+		if (data1 != data2) {
 			pr_err("FAIL: isram_write(%p, %#llx) != %#llx\n",
 				l1inst + i, data1, data2);
 			++ret;
 		}
 	}
 
-	dma_memcpy(sdram + TEST_LEN, l1inst, TEST_LEN);
-	if (memcmp(sdram, sdram + TEST_LEN, TEST_LEN)) {
+	dma_memcpy(sdram + test_len, l1inst, test_len);
+	if (memcmp(sdram, sdram + test_len, test_len)) {
 		pr_err("FAIL: isram_write() did not work properly\n");
 		++ret;
 	}
@@ -268,12 +267,12 @@ static __init int
 _isram_memcpy_test(char pattern, void *sdram, void *l1inst, const char *smemcpy,
                    void *(*fmemcpy)(void *, const void *, size_t))
 {
-	memset(sdram, pattern, TEST_LEN);
-	fmemcpy(l1inst, sdram, TEST_LEN);
-	fmemcpy(sdram + TEST_LEN, l1inst, TEST_LEN);
-	if (memcmp(sdram, sdram + TEST_LEN, TEST_LEN)) {
+	memset(sdram, pattern, test_len);
+	fmemcpy(l1inst, sdram, test_len);
+	fmemcpy(sdram + test_len, l1inst, test_len);
+	if (memcmp(sdram, sdram + test_len, test_len)) {
 		pr_err("FAIL: %s(%p <=> %p, %#x) failed (data is %#x)\n",
-			smemcpy, l1inst, sdram, TEST_LEN, pattern);
+			smemcpy, l1inst, sdram, test_len, pattern);
 		return 1;
 	}
 	return 0;
@@ -292,12 +291,13 @@ static __init int isram_memcpy_test(char *sdram, void *l1inst)
 	/* check read of small, unaligned, and hardware 64bit limits */
 	pr_info("INFO: running isram_memcpy (read) tests\n");
 
-	for (i = 0; i < TEST_LEN; ++i)
-		sdram[i] = i;
-	dma_memcpy(l1inst, sdram, TEST_LEN);
+	/* setup some different data to play with */
+	for (i = 0; i < test_len; ++i)
+		sdram[i] = i % 255;
+	dma_memcpy(l1inst, sdram, test_len);
 
 	thisret = 0;
-	for (i = 0; i < TEST_LEN - 32; ++i) {
+	for (i = 0; i < test_len - 32; ++i) {
 		unsigned char cmp[32];
 		for (j = 1; j <= 32; ++j) {
 			memset(cmp, 0, sizeof(cmp));
@@ -310,7 +310,7 @@ static __init int isram_memcpy_test(char *sdram, void *l1inst)
 				pr_cont("\n");
 				if (++thisret > 20) {
 					pr_err("FAIL: skipping remaining series\n");
-					i = TEST_LEN;
+					i = test_len;
 					break;
 				}
 			}
@@ -321,11 +321,11 @@ static __init int isram_memcpy_test(char *sdram, void *l1inst)
 	/* check write of small, unaligned, and hardware 64bit limits */
 	pr_info("INFO: running isram_memcpy (write) tests\n");
 
-	memset(sdram + TEST_LEN, 0, TEST_LEN);
-	dma_memcpy(l1inst, sdram + TEST_LEN, TEST_LEN);
+	memset(sdram + test_len, 0, test_len);
+	dma_memcpy(l1inst, sdram + test_len, test_len);
 
 	thisret = 0;
-	for (i = 0; i < TEST_LEN - 32; ++i) {
+	for (i = 0; i < test_len - 32; ++i) {
 		unsigned char cmp[32];
 		for (j = 1; j <= 32; ++j) {
 			isram_memcpy(l1inst + i, sdram + i, j);
@@ -338,7 +338,7 @@ static __init int isram_memcpy_test(char *sdram, void *l1inst)
 				pr_cont("\n");
 				if (++thisret > 20) {
 					pr_err("FAIL: skipping remaining series\n");
-					i = TEST_LEN;
+					i = test_len;
 					break;
 				}
 			}
@@ -355,22 +355,30 @@ static __init int isram_test_init(void)
 	char *sdram;
 	void *l1inst;
 
-	sdram = kmalloc(TEST_LEN * 2, GFP_KERNEL);
-	if (!sdram) {
-		pr_warning("SKIP: could not allocate sdram\n");
+	/* Try to test as much of L1SRAM as possible */
+	while (test_len) {
+		test_len >>= 1;
+		l1inst = l1_inst_sram_alloc(test_len);
+		if (l1inst)
+			break;
+	}
+	if (!l1inst) {
+		pr_warning("SKIP: could not allocate L1 inst\n");
 		return 0;
 	}
+	pr_info("INFO: testing %#x bytes (%p - %p)\n",
+	        test_len, l1inst, l1inst + test_len);
 
-	l1inst = l1_inst_sram_alloc(TEST_LEN);
-	if (!l1inst) {
-		kfree(sdram);
-		pr_warning("SKIP: could not allocate L1 inst\n");
+	sdram = kmalloc(test_len * 2, GFP_KERNEL);
+	if (!sdram) {
+		sram_free(l1inst);
+		pr_warning("SKIP: could not allocate sdram\n");
 		return 0;
 	}
 
 	/* sanity check initial L1 inst state */
 	ret = 1;
-	pr_info("INFO: running initial dma_memcpy checks\n");
+	pr_info("INFO: running initial dma_memcpy checks %p\n", sdram);
 	if (_isram_memcpy_test(0xa, sdram, l1inst, dma_memcpy))
 		goto abort;
 	if (_isram_memcpy_test(0x5, sdram, l1inst, dma_memcpy))

From 648eee52ccdc623e21b920d6048e93490a4860a7 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Tue, 4 May 2010 14:59:21 +0000
Subject: [PATCH 2787/3638] Blackfin: optimize strncpy a bit

Add a little strncpy optimization which can easily cut boot time by 20%.

When the kernel is booting with initramfs, it builds up the filesystem
from a cpio archive by calling strncpy_from_user() via fs/namei.c's
do_getname() on every file in the archive (which can be lots) with a
length of PATH_MAX (1024).  This causes the dest of the strncpy to be
padded with many NUL bytes.

This optimization mostly causes these NUL bytes to be padded with a call
to memset() which is already optimized for filling memory quickly, but
the hardware loop helps a little bit as well.

Boot time measured with 'loglevel=0' so UART speed doesn't get in the way.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/lib/memset.S  |  1 +
 arch/blackfin/lib/strncpy.S | 59 +++++++++++++++++++++++++++++--------
 2 files changed, 47 insertions(+), 13 deletions(-)

diff --git a/arch/blackfin/lib/memset.S b/arch/blackfin/lib/memset.S
index c30d99b1096..eab1bef3f5b 100644
--- a/arch/blackfin/lib/memset.S
+++ b/arch/blackfin/lib/memset.S
@@ -20,6 +20,7 @@
  * R1 = filler byte
  * R2 = count
  * Favours word aligned data.
+ * The strncpy assumes that I0 and I1 are not used in this function
  */
 
 ENTRY(_memset)
diff --git a/arch/blackfin/lib/strncpy.S b/arch/blackfin/lib/strncpy.S
index 39fbbe6523e..f3931d50b4a 100644
--- a/arch/blackfin/lib/strncpy.S
+++ b/arch/blackfin/lib/strncpy.S
@@ -5,12 +5,14 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/context.S>
 
 /* void *strncpy(char *dest, const char *src, size_t n);
  * R0 = address (dest)
  * R1 = address (src)
  * R2 = size
- * Returns a pointer to the destination string dest
+ * Returns a pointer (R0) to the destination string dest
+ *  we do this by not changing R0
  */
 
 #ifdef CONFIG_STRNCPY_L1
@@ -24,29 +26,60 @@
 ENTRY(_strncpy)
 	CC = R2 == 0;
 	if CC JUMP 4f;
+
+	P2 = R2 ;       /* size */
 	P0 = R0 ;       /* dst*/
 	P1 = R1 ;       /* src*/
 
+	LSETUP (1f, 2f) LC0 = P2;
 1:
 	R1 = B [P1++] (Z);
 	B [P0++] = R1;
-	CC = R1;
-	if ! cc jump 2f;
-	R2 += -1;
-	CC = R2 == 0;
-	if ! cc jump 1b (bp);
-	jump 4f;
+	CC = R1 == 0;
 2:
-	/* if src is shorter than n, we need to null pad bytes in dest */
-	R1 = 0;
+	if CC jump 3f;
+
+	RTS;
+
+	/* if src is shorter than n, we need to null pad bytes in dest
+	 * but, we can get here when the last byte is zero, and we don't
+	 * want to copy an extra byte at the end, so we need to check
+	 */
 3:
+	R2 = LC0;
+	CC = R2
+	if ! CC jump 6f;
+
+	/* if the required null padded portion is small, do it here, rather than
+	 * handling the overhead of memset (which is OK when things are big).
+	 */
+	R3 = 0x20;
+	CC = R2 < R3;
+	IF CC jump 4f;
+
 	R2 += -1;
-	CC = R2 == 0;
-	if cc jump 4f;
-	B [P0++] = R1;
-	jump 3b;
+
+	/* Set things up for memset
+	 * R0 = address
+	 * R1 = filler byte (this case it's zero, set above)
+	 * R2 = count (set above)
+	 */
+
+	I1 = R0;
+	R0 = RETS;
+	I0 = R0;
+	R0 = P0;
+	pseudo_long_call _memset, p0;
+	R0 = I0;
+	RETS = R0;
+	R0 = I1;
+	RTS;
 
 4:
+	LSETUP(5f, 5f) LC0;
+5:
+	B [P0++] = R1;
+6:
 	RTS;
 
 ENDPROC(_strncpy)

From be1577e3787536290cc17afaeb2cd58bbcc7ed6c Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Mon, 10 May 2010 05:21:50 +0000
Subject: [PATCH 2788/3638] Blackfin: another year of changes (update copyright
 in boot log)

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/kernel/setup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 8e2efceb364..d37a397f43f 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2009 Analog Devices Inc.
+ * Copyright 2004-2010 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -925,7 +925,7 @@ void __init setup_arch(char **cmdline_p)
 	else if (_bfin_swrst & RESET_SOFTWARE)
 		printk(KERN_NOTICE "Reset caused by Software reset\n");
 
-	printk(KERN_INFO "Blackfin support (C) 2004-2009 Analog Devices, Inc.\n");
+	printk(KERN_INFO "Blackfin support (C) 2004-2010 Analog Devices, Inc.\n");
 	if (bfin_compiled_revid() == 0xffff)
 		printk(KERN_INFO "Compiled for ADSP-%s Rev any, running on 0.%d\n", CPU, bfin_revid());
 	else if (bfin_compiled_revid() == -1)

From eb5400b6131e6ebaacf809357643a22a72d5cc4c Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 11 May 2010 04:43:19 +0000
Subject: [PATCH 2789/3638] Blackfin: use atomic kmalloc in L1 alloc so it too
 can be atomic

Some drivers allocate L1 SRAM in atomic contexts, so make sure these
functions also use GFP_ATOMIC to avoid BUG()'s.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mm/sram-alloc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c
index 49b2ff2c8b7..627e04b5ba9 100644
--- a/arch/blackfin/mm/sram-alloc.c
+++ b/arch/blackfin/mm/sram-alloc.c
@@ -256,7 +256,8 @@ static void *_sram_alloc(size_t size, struct sram_piece *pfree_head,
 		plast->next = pslot->next;
 		pavail = pslot;
 	} else {
-		pavail = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL);
+		/* use atomic so our L1 allocator can be used atomically */
+		pavail = kmem_cache_alloc(sram_piece_cache, GFP_ATOMIC);
 
 		if (!pavail)
 			return NULL;

From 76b99699a2bbf9efdb578f9a38a202af2ecb354b Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 19 May 2010 23:21:38 -0400
Subject: [PATCH 2790/3638] Blackfin: set ARCH_KMALLOC_MINALIGN

Architectures that handle DMA-non-coherent memory need to set
ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe:
the buffer doesn't share a cache with the others.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/include/asm/cache.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
index 8542bc31f63..93f6c634fdf 100644
--- a/arch/blackfin/include/asm/cache.h
+++ b/arch/blackfin/include/asm/cache.h
@@ -15,6 +15,8 @@
 #define L1_CACHE_BYTES	(1 << L1_CACHE_SHIFT)
 #define SMP_CACHE_BYTES	L1_CACHE_BYTES
 
+#define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
+
 #ifdef CONFIG_SMP
 #define __cacheline_aligned
 #else

From 084f9ebfd0915203b603392a66be15009b348fe1 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 20 May 2010 04:26:54 +0000
Subject: [PATCH 2791/3638] Blackfin: unify duplicate MEM_MT48LC32M8A2_75
 kconfig options

Reported-by: Christoph Egger <siccegge@cs.fau.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/Kconfig | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 7b9fc9c9c0c..f66294b4f9d 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -348,7 +348,7 @@ config MEM_MT48LC16M16A2TG_75
 
 config MEM_MT48LC32M8A2_75
 	bool
-	depends on (BFIN537_STAMP || PNAV10 || BFIN538_EZKIT)
+	depends on (BFIN518F_EZBRD || BFIN537_STAMP || PNAV10 || BFIN538_EZKIT)
 	default y
 
 config MEM_MT48LC8M32B2B5_7
@@ -361,11 +361,6 @@ config MEM_MT48LC32M16A2TG_75
 	depends on (BFIN527_EZKIT || BFIN527_EZKIT_V2 || BFIN532_IP0X || BLACKSTAMP)
 	default y
 
-config MEM_MT48LC32M8A2_75
-	bool
-	depends on (BFIN518F_EZBRD)
-	default y
-
 config MEM_MT48H32M16LFCJ_75
 	bool
 	depends on (BFIN526_EZBRD)

From d016a21362194826518d4ac9ca3f768d0345cd2c Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Fri, 21 May 2010 09:36:51 +0000
Subject: [PATCH 2792/3638] Blackfin: fix typo in BF537 IRQ comment

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mach-bf537/include/mach/irq.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/blackfin/mach-bf537/include/mach/irq.h b/arch/blackfin/mach-bf537/include/mach/irq.h
index 789a4f226f7..1a6d617c5fc 100644
--- a/arch/blackfin/mach-bf537/include/mach/irq.h
+++ b/arch/blackfin/mach-bf537/include/mach/irq.h
@@ -74,7 +74,7 @@
 
 #define IRQ_PPI_ERROR       42	/*PPI Error Interrupt */
 #define IRQ_CAN_ERROR       43	/*CAN Error Interrupt */
-#define IRQ_MAC_ERROR       44	/*PPI Error Interrupt */
+#define IRQ_MAC_ERROR       44	/*MAC Status/Error Interrupt */
 #define IRQ_SPORT0_ERROR    45	/*SPORT0 Error Interrupt */
 #define IRQ_SPORT1_ERROR    46	/*SPORT1 Error Interrupt */
 #define IRQ_SPI_ERROR       47	/*SPI Error Interrupt */

From efc5863eb52a04134869f5ceb5f81a6fe9b47469 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sun, 4 Apr 2010 16:04:16 +0200
Subject: [PATCH 2793/3638] Blackfin: acvilon: fix timeout usage for I2C

The timeout value is in jiffies, so it should be using HZ, not a plain
number. As '10000' is ambiguous, 1HZ is used as conservative default.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Valentin Yakovenkov <yakovenkov@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mach-bf561/boards/acvilon.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c
index 5163e2c383c..bfcfa86db2b 100644
--- a/arch/blackfin/mach-bf561/boards/acvilon.c
+++ b/arch/blackfin/mach-bf561/boards/acvilon.c
@@ -44,6 +44,7 @@
 #include <linux/spi/flash.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#include <linux/jiffies.h>
 #include <linux/i2c-pca-platform.h>
 #include <linux/delay.h>
 #include <linux/io.h>
@@ -112,7 +113,7 @@ static struct resource bfin_i2c_pca_resources[] = {
 struct i2c_pca9564_pf_platform_data pca9564_platform_data = {
 	.gpio = -1,
 	.i2c_clock_speed = 330000,
-	.timeout = 10000
+	.timeout = HZ,
 };
 
 /* PCA9564 I2C Bus driver */

From db52ecc2953d932b2fc1c62e585231659edd1d98 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Fri, 26 Mar 2010 19:27:51 -0700
Subject: [PATCH 2794/3638] Blackfin: SMP: fix continuation lines

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mach-common/smp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 7cecbaf0358..a17107a700d 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -170,8 +170,8 @@ static irqreturn_t ipi_handler(int irq, void *dev_instance)
 			kfree(msg);
 			break;
 		default:
-			printk(KERN_CRIT "CPU%u: Unknown IPI message \
-			0x%lx\n", cpu, msg->type);
+			printk(KERN_CRIT "CPU%u: Unknown IPI message 0x%lx\n",
+			       cpu, msg->type);
 			kfree(msg);
 			break;
 		}

From f6db25a87643fa6108e211da0397423593ca36fe Mon Sep 17 00:00:00 2001
From: Phillip Lougher <phillip@lougher.demon.co.uk>
Date: Sun, 23 May 2010 03:29:26 +0100
Subject: [PATCH 2795/3638] squashfs: constify xattr handlers

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 fs/squashfs/squashfs.h |  2 +-
 fs/squashfs/xattr.c    | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
index 305ce15d2d2..733a17c4294 100644
--- a/fs/squashfs/squashfs.h
+++ b/fs/squashfs/squashfs.h
@@ -100,7 +100,7 @@ extern const struct address_space_operations squashfs_symlink_aops;
 extern const struct inode_operations squashfs_symlink_inode_ops;
 
 /* xattr.c */
-extern struct xattr_handler *squashfs_xattr_handlers[];
+extern const struct xattr_handler *squashfs_xattr_handlers[];
 
 /* zlib_wrapper.c */
 extern const struct squashfs_decompressor squashfs_zlib_comp_ops;
diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
index de03889050b..14a2feef09b 100644
--- a/fs/squashfs/xattr.c
+++ b/fs/squashfs/xattr.c
@@ -34,7 +34,7 @@
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
 
-static struct xattr_handler *squashfs_xattr_handler(int);
+static const struct xattr_handler *squashfs_xattr_handler(int);
 
 ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
 	size_t buffer_size)
@@ -57,7 +57,7 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
 	while (count--) {
 		struct squashfs_xattr_entry entry;
 		struct squashfs_xattr_val val;
-		struct xattr_handler *handler;
+		const struct xattr_handler *handler;
 		int name_size, prefix_size = 0;
 
 		err = squashfs_read_metadata(sb, &entry, &start, &offset,
@@ -228,7 +228,7 @@ static int squashfs_user_get(struct dentry *d, const char *name, void *buffer,
 		buffer, size);
 }
 
-static struct xattr_handler squashfs_xattr_user_handler = {
+static const struct xattr_handler squashfs_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
 	.list	= squashfs_user_list,
 	.get	= squashfs_user_get
@@ -258,7 +258,7 @@ static int squashfs_trusted_get(struct dentry *d, const char *name,
 		buffer, size);
 }
 
-static struct xattr_handler squashfs_xattr_trusted_handler = {
+static const struct xattr_handler squashfs_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
 	.list	= squashfs_trusted_list,
 	.get	= squashfs_trusted_get
@@ -285,13 +285,13 @@ static int squashfs_security_get(struct dentry *d, const char *name,
 		buffer, size);
 }
 
-static struct xattr_handler squashfs_xattr_security_handler = {
+static const struct xattr_handler squashfs_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
 	.list	= squashfs_security_list,
 	.get	= squashfs_security_get
 };
 
-static inline struct xattr_handler *squashfs_xattr_handler(int type)
+static inline const struct xattr_handler *squashfs_xattr_handler(int type)
 {
 	if (type & ~(SQUASHFS_XATTR_PREFIX_MASK | SQUASHFS_XATTR_VALUE_OOL))
 		/* ignore unrecognised type */
@@ -310,7 +310,7 @@ static inline struct xattr_handler *squashfs_xattr_handler(int type)
 	}
 }
 
-struct xattr_handler *squashfs_xattr_handlers[] = {
+const struct xattr_handler *squashfs_xattr_handlers[] = {
 	&squashfs_xattr_user_handler,
 	&squashfs_xattr_trusted_handler,
 	&squashfs_xattr_security_handler,

From 5c80f5aa409b211ab193c56fb6b77d73b61966e5 Mon Sep 17 00:00:00 2001
From: Phillip Lougher <phillip@lougher.demon.co.uk>
Date: Sun, 23 May 2010 08:27:42 +0100
Subject: [PATCH 2796/3638] squashfs: fix name reading in squashfs_xattr_get

Only read potentially matching names into the target buffer, all
obviously non matching names don't need to be read into the
target buffer.

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 fs/squashfs/xattr.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
index 14a2feef09b..c7655e8b31c 100644
--- a/fs/squashfs/xattr.c
+++ b/fs/squashfs/xattr.c
@@ -145,8 +145,12 @@ static int squashfs_xattr_get(struct inode *inode, int name_index,
 		type = le16_to_cpu(entry.type);
 		prefix = type & SQUASHFS_XATTR_PREFIX_MASK;
 
-		err = squashfs_read_metadata(sb, target, &start, &offset,
-							name_size);
+		if (prefix == name_index && name_size == name_len)
+			err = squashfs_read_metadata(sb, target, &start,
+						&offset, name_size);
+		else
+			err = squashfs_read_metadata(sb, NULL, &start,
+						&offset, name_size);
 		if (err < 0)
 			goto failed;
 

From 841bca1393d315d79077f272c2918423e36dc364 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Tue, 18 May 2010 08:48:30 +0900
Subject: [PATCH 2797/3638] x86/mmiotrace: Remove redundant instruction prefix
 checks

Get rid of the duplicated entries in prefix_codes[]
to eliminate redundant checks by skip_prefix().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Pekka Paalanen <pq@iki.fi>
LKML-Reference: <1274140110-5841-1-git-send-email-akinobu.mita@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/pf_in.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c
index df3d5c861cd..308e32570d8 100644
--- a/arch/x86/mm/pf_in.c
+++ b/arch/x86/mm/pf_in.c
@@ -34,7 +34,7 @@
 /* IA32 Manual 3, 2-1 */
 static unsigned char prefix_codes[] = {
 	0xF0, 0xF2, 0xF3, 0x2E, 0x36, 0x3E, 0x26, 0x64,
-	0x65, 0x2E, 0x3E, 0x66, 0x67
+	0x65, 0x66, 0x67
 };
 /* IA32 Manual 3, 3-432*/
 static unsigned int reg_rop[] = {

From 3cde11c1b48735dc4108cffefccf4c1817c7bfd2 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 23 May 2010 10:36:15 +0100
Subject: [PATCH 2798/3638] ARM: Continue removing useless bootmem.h includes

Catch those which have been missed by 6262c92f because they were
submitted via other routes.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-msm/board-msm7x27.c | 1 -
 arch/arm/mach-msm/board-msm7x30.c | 1 -
 arch/arm/mach-msm/board-qsd8x50.c | 1 -
 3 files changed, 3 deletions(-)

diff --git a/arch/arm/mach-msm/board-msm7x27.c b/arch/arm/mach-msm/board-msm7x27.c
index cccb9f3c9d0..db9381b85bf 100644
--- a/arch/arm/mach-msm/board-msm7x27.c
+++ b/arch/arm/mach-msm/board-msm7x27.c
@@ -20,7 +20,6 @@
 #include <linux/input.h>
 #include <linux/io.h>
 #include <linux/delay.h>
-#include <linux/bootmem.h>
 #include <linux/power_supply.h>
 
 #include <mach/hardware.h>
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index bac1f3c38a3..e32981928c7 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -20,7 +20,6 @@
 #include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
-#include <linux/bootmem.h>
 #include <linux/io.h>
 #include <linux/smsc911x.h>
 
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c
index ec4606643d2..e3cc80792d6 100644
--- a/arch/arm/mach-msm/board-qsd8x50.c
+++ b/arch/arm/mach-msm/board-qsd8x50.c
@@ -19,7 +19,6 @@
 #include <linux/irq.h>
 #include <linux/gpio.h>
 #include <linux/platform_device.h>
-#include <linux/bootmem.h>
 #include <linux/delay.h>
 
 #include <asm/mach-types.h>

From 91dc74e479e1ea0bb8864694303e6fe5612b707c Mon Sep 17 00:00:00 2001
From: Pinkava J <Jiri.Pinkava@vscht.cz>
Date: Sun, 23 May 2010 06:42:26 +0200
Subject: [PATCH 2799/3638] ARM: SAMSUNG: fix suspend/resume on if some GPIO
 banks not present

When saving GPIOs during suspend/resume we need skip missing GPIO banks, not
trying get corresponding chip again and again in infinite loop.

Signed-off-by: Jiri Pinkava <jiri.pinkava@vscht.cz>
[ben-linux@fluff.org: shorten subject]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-samsung/pm-gpio.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c
index d50ab9d2af5..7df03f87fbf 100644
--- a/arch/arm/plat-samsung/pm-gpio.c
+++ b/arch/arm/plat-samsung/pm-gpio.c
@@ -331,8 +331,10 @@ void s3c_pm_save_gpios(void)
 
 	for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) {
 		ourchip = s3c_gpiolib_getchip(gpio_nr);
-		if (!ourchip)
+		if (!ourchip) {
+			gpio_nr++;
 			continue;
+		}
 
 		s3c_pm_save_gpio(ourchip);
 
@@ -369,8 +371,10 @@ void s3c_pm_restore_gpios(void)
 
 	for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) {
 		ourchip = s3c_gpiolib_getchip(gpio_nr);
-		if (!ourchip)
+		if (!ourchip) {
+			gpio_nr++;
 			continue;
+		}
 
 		s3c_pm_resume_gpio(ourchip);
 

From b69a596afe1d46f24f97fe69f67370cdfa9d5329 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sun, 23 May 2010 15:44:17 +0100
Subject: [PATCH 2800/3638] ARM: S5PC100: Fix definition of IRQ_EINT()

Somewhere during the latest platform cleanups the IRQ_EINT definition
got broken, so fix it by replacing it in <mach/irqs.h>

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/include/mach/irqs.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/mach-s5pc100/include/mach/irqs.h b/arch/arm/mach-s5pc100/include/mach/irqs.h
index 28aa551dc3a..15066df3ced 100644
--- a/arch/arm/mach-s5pc100/include/mach/irqs.h
+++ b/arch/arm/mach-s5pc100/include/mach/irqs.h
@@ -100,6 +100,9 @@
 #define S5P_EINT_BASE1		(S5P_IRQ_VIC0(0))
 #define S5P_EINT_BASE2		(IRQ_VIC_END + 1)
 
+#define IRQ_EINT(x)		((x) < 16 ? S5P_IRQ_VIC0(x) : \
+				 (S5P_EINT_BASE2 + (x) - 16))
+
 #define S3C_IRQ_GPIO_BASE	(IRQ_EINT(31) + 1)
 #define S3C_IRQ_GPIO(x)		(S3C_IRQ_GPIO_BASE + (x))
 

From c5e2caca6a0732108bec146844551767cfbc115c Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Tue, 18 May 2010 11:59:13 +0900
Subject: [PATCH 2801/3638] ARM: S5PC100: DMA: Add platform devices for PL330
 DMACs

Samsung's Soc S5PC100 has three PL330 DMACs. First is dedicated for
Memory->Memory data transfer while the other two meant for data
transfer with peripherals.
Define and add latter two PL330 DMACs as platform devices on the
S5PC100 platform.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/Kconfig            |   1 +
 arch/arm/mach-s5pc100/Makefile           |   1 +
 arch/arm/mach-s5pc100/dma.c              | 167 +++++++++++++++++++++++
 arch/arm/mach-s5pc100/include/mach/dma.h |  26 ++++
 4 files changed, 195 insertions(+)
 create mode 100644 arch/arm/mach-s5pc100/dma.c
 create mode 100644 arch/arm/mach-s5pc100/include/mach/dma.h

diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index 2eb949771db..b2a11dfa339 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -11,6 +11,7 @@ config CPU_S5PC100
 	bool
 	select PLAT_S5P
 	select S5P_EXT_INT
+	select S3C_PL330_DMA
 	help
 	  Enable S5PC100 CPU support
 
diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index e1081a9b19c..543f3de5131 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -13,6 +13,7 @@ obj-				:=
 
 obj-$(CONFIG_CPU_S5PC100)	+= cpu.o init.o clock.o gpiolib.o irq-gpio.o
 obj-$(CONFIG_CPU_S5PC100)	+= setup-i2c0.o
+obj-$(CONFIG_CPU_S5PC100)	+= dma.o
 
 # Helper and device support
 
diff --git a/arch/arm/mach-s5pc100/dma.c b/arch/arm/mach-s5pc100/dma.c
new file mode 100644
index 00000000000..8e7af46bba0
--- /dev/null
+++ b/arch/arm/mach-s5pc100/dma.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <plat/devs.h>
+#include <plat/irqs.h>
+
+#include <mach/map.h>
+
+#include <plat/s3c-pl330-pdata.h>
+
+static u64 dma_dmamask = DMA_BIT_MASK(32);
+
+static struct resource s5pc100_pdma0_resource[] = {
+	[0] = {
+		.start  = S5PC100_PA_PDMA0,
+		.end    = S5PC100_PA_PDMA0 + SZ_4K,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_PDMA0,
+		.end	= IRQ_PDMA0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c_pl330_platdata s5pc100_pdma0_pdata = {
+	.peri = {
+		[0] = DMACH_UART0_RX,
+		[1] = DMACH_UART0_TX,
+		[2] = DMACH_UART1_RX,
+		[3] = DMACH_UART1_TX,
+		[4] = DMACH_UART2_RX,
+		[5] = DMACH_UART2_TX,
+		[6] = DMACH_UART3_RX,
+		[7] = DMACH_UART3_TX,
+		[8] = DMACH_IRDA,
+		[9] = DMACH_I2S0_RX,
+		[10] = DMACH_I2S0_TX,
+		[11] = DMACH_I2S0S_TX,
+		[12] = DMACH_I2S1_RX,
+		[13] = DMACH_I2S1_TX,
+		[14] = DMACH_I2S2_RX,
+		[15] = DMACH_I2S2_TX,
+		[16] = DMACH_SPI0_RX,
+		[17] = DMACH_SPI0_TX,
+		[18] = DMACH_SPI1_RX,
+		[19] = DMACH_SPI1_TX,
+		[20] = DMACH_SPI2_RX,
+		[21] = DMACH_SPI2_TX,
+		[22] = DMACH_AC97_MICIN,
+		[23] = DMACH_AC97_PCMIN,
+		[24] = DMACH_AC97_PCMOUT,
+		[25] = DMACH_EXTERNAL,
+		[26] = DMACH_PWM,
+		[27] = DMACH_SPDIF,
+		[28] = DMACH_HSI_RX,
+		[29] = DMACH_HSI_TX,
+		[30] = DMACH_MAX,
+		[31] = DMACH_MAX,
+	},
+};
+
+static struct platform_device s5pc100_device_pdma0 = {
+	.name		= "s3c-pl330",
+	.id		= 1,
+	.num_resources	= ARRAY_SIZE(s5pc100_pdma0_resource),
+	.resource	= s5pc100_pdma0_resource,
+	.dev		= {
+		.dma_mask = &dma_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.platform_data = &s5pc100_pdma0_pdata,
+	},
+};
+
+static struct resource s5pc100_pdma1_resource[] = {
+	[0] = {
+		.start  = S5PC100_PA_PDMA1,
+		.end    = S5PC100_PA_PDMA1 + SZ_4K,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_PDMA1,
+		.end	= IRQ_PDMA1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c_pl330_platdata s5pc100_pdma1_pdata = {
+	.peri = {
+		[0] = DMACH_UART0_RX,
+		[1] = DMACH_UART0_TX,
+		[2] = DMACH_UART1_RX,
+		[3] = DMACH_UART1_TX,
+		[4] = DMACH_UART2_RX,
+		[5] = DMACH_UART2_TX,
+		[6] = DMACH_UART3_RX,
+		[7] = DMACH_UART3_TX,
+		[8] = DMACH_IRDA,
+		[9] = DMACH_I2S0_RX,
+		[10] = DMACH_I2S0_TX,
+		[11] = DMACH_I2S0S_TX,
+		[12] = DMACH_I2S1_RX,
+		[13] = DMACH_I2S1_TX,
+		[14] = DMACH_I2S2_RX,
+		[15] = DMACH_I2S2_TX,
+		[16] = DMACH_SPI0_RX,
+		[17] = DMACH_SPI0_TX,
+		[18] = DMACH_SPI1_RX,
+		[19] = DMACH_SPI1_TX,
+		[20] = DMACH_SPI2_RX,
+		[21] = DMACH_SPI2_TX,
+		[22] = DMACH_PCM0_RX,
+		[23] = DMACH_PCM0_TX,
+		[24] = DMACH_PCM1_RX,
+		[25] = DMACH_PCM1_TX,
+		[26] = DMACH_MSM_REQ0,
+		[27] = DMACH_MSM_REQ1,
+		[28] = DMACH_MSM_REQ2,
+		[29] = DMACH_MSM_REQ3,
+		[30] = DMACH_MAX,
+		[31] = DMACH_MAX,
+	},
+};
+
+static struct platform_device s5pc100_device_pdma1 = {
+	.name		= "s3c-pl330",
+	.id		= 2,
+	.num_resources	= ARRAY_SIZE(s5pc100_pdma1_resource),
+	.resource	= s5pc100_pdma1_resource,
+	.dev		= {
+		.dma_mask = &dma_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.platform_data = &s5pc100_pdma1_pdata,
+	},
+};
+
+static struct platform_device *s5pc100_dmacs[] __initdata = {
+	&s5pc100_device_pdma0,
+	&s5pc100_device_pdma1,
+};
+
+static int __init s5pc100_dma_init(void)
+{
+	platform_add_devices(s5pc100_dmacs, ARRAY_SIZE(s5pc100_dmacs));
+
+	return 0;
+}
+arch_initcall(s5pc100_dma_init);
diff --git a/arch/arm/mach-s5pc100/include/mach/dma.h b/arch/arm/mach-s5pc100/include/mach/dma.h
new file mode 100644
index 00000000000..81209eb1409
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/dma.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __MACH_DMA_H
+#define __MACH_DMA_H
+
+/* This platform uses the common S3C DMA API driver for PL330 */
+#include <plat/s3c-dma-pl330.h>
+
+#endif /* __MACH_DMA_H */

From 45c79433c02b8fe7b8a1cbf60548a9798d0502ed Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sun, 23 May 2010 16:17:10 +0100
Subject: [PATCH 2802/3638] ARM: S5PC100: Fixup merge problems

Between problems with Kconfig and merging commits from several
different sources, it seems the s5pc100 build's move from plat-s5pc11
has had a few problems.

Since I do not have the trees to rebuild this quickly, the easiest
thing is to simply fix the errors found once the s5pc100_defconfig
actually builds.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/cpu.c                   |  2 +-
 arch/arm/mach-s5pc100/dma.c                   |  2 +-
 arch/arm/mach-s5pc100/include/mach/map.h      | 26 +++++++++++--------
 .../arm/mach-s5pc100/include/mach/regs-gpio.h |  7 +++--
 4 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c
index 816c4d4afef..7b5bdbc9a5d 100644
--- a/arch/arm/mach-s5pc100/cpu.c
+++ b/arch/arm/mach-s5pc100/cpu.c
@@ -54,7 +54,7 @@ static struct map_desc s5pc100_iodesc[] __initdata = {
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)VA_VIC2,
-		.pfn		= __phys_to_pfn(S5PC100_PA_VIC2),
+		.pfn		= __phys_to_pfn(S5P_PA_VIC2),
 		.length		= SZ_16K,
 		.type		= MT_DEVICE,
 	}, {
diff --git a/arch/arm/mach-s5pc100/dma.c b/arch/arm/mach-s5pc100/dma.c
index 8e7af46bba0..0f5517571e2 100644
--- a/arch/arm/mach-s5pc100/dma.c
+++ b/arch/arm/mach-s5pc100/dma.c
@@ -21,9 +21,9 @@
 #include <linux/dma-mapping.h>
 
 #include <plat/devs.h>
-#include <plat/irqs.h>
 
 #include <mach/map.h>
+#include <mach/irqs.h>
 
 #include <plat/s3c-pl330-pdata.h>
 
diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
index a0b2fee332a..cadae430568 100644
--- a/arch/arm/mach-s5pc100/include/mach/map.h
+++ b/arch/arm/mach-s5pc100/include/mach/map.h
@@ -44,9 +44,7 @@
 #define S5PC100_PA_OTHERS	(0xE0200000)
 #define S5PC100_VA_OTHERS	(S3C_VA_SYS + 0x10000)
 
-#define S5PC100_PA_GPIO		(0xE0300000)
-
-#define S5PC1XX_PA_GPIO		S5PC100_PA_GPIO
+#define S5P_PA_GPIO		(0xE0300000)
 #define S5PC1XX_VA_GPIO		S3C_ADDR(0x00500000)
 
 /* Interrupt */
@@ -56,6 +54,10 @@
 #define S5PC100_VA_VIC_OFFSET	0x10000
 #define S5PC1XX_PA_VIC(x)	(S5PC100_PA_VIC + ((x) * S5PC100_PA_VIC_OFFSET))
 #define S5PC1XX_VA_VIC(x)	(S5PC100_VA_VIC + ((x) * S5PC100_VA_VIC_OFFSET))
+#define S5P_PA_VIC0		S5PC1XX_PA_VIC(0)
+#define S5P_PA_VIC1		S5PC1XX_PA_VIC(1)
+#define S5P_PA_VIC2		S5PC1XX_PA_VIC(2)
+
 
 #define S5PC100_PA_ONENAND	(0xE7100000)
 
@@ -92,6 +94,10 @@
 
 #define S5PC100_PA_FB		(0xEE000000)
 
+#define S5PC100_PA_I2S0		(0xF2000000)
+#define S5PC100_PA_I2S1		(0xF2100000)
+#define S5PC100_PA_I2S2		(0xF2200000)
+
 #define S5PC100_PA_AC97		0xF2300000
 
 /* PCM */
@@ -115,16 +121,14 @@
 #define S3C_PA_G3D		S5PC100_PA_G3D
 #define S3C_PA_JPEG		S5PC100_PA_JPEG
 #define S3C_PA_ROTATOR		S5PC100_PA_ROTATOR
-#define S3C_VA_VIC0		(S3C_VA_IRQ + 0x0)
-#define S3C_VA_VIC1		(S3C_VA_IRQ + 0x10000)
-#define S3C_VA_VIC2		(S3C_VA_IRQ + 0x20000)
-#define S3C_PA_IIC		S5PC100_PA_I2C
-#define S3C_PA_IIC1		S5PC100_PA_I2C1
+#define S5P_VA_VIC0		S5PC1XX_VA_VIC(0)
+#define S5P_VA_VIC1		S5PC1XX_VA_VIC(1)
+#define S5P_VA_VIC2		S5PC1XX_VA_VIC(2)
 #define S3C_PA_USB_HSOTG	S5PC100_PA_USB_HSOTG
 #define S3C_PA_USB_HSPHY	S5PC100_PA_USB_HSPHY
-#define S3C_PA_HSMMC0		S5PC100_PA_HSMMC0
-#define S3C_PA_HSMMC1		S5PC100_PA_HSMMC1
-#define S3C_PA_HSMMC2		S5PC100_PA_HSMMC2
+#define S3C_PA_HSMMC0		S5PC100_PA_HSMMC(0)
+#define S3C_PA_HSMMC1		S5PC100_PA_HSMMC(1)
+#define S3C_PA_HSMMC2		S5PC100_PA_HSMMC(2)
 #define S3C_PA_KEYPAD		S5PC100_PA_KEYPAD
 #define S3C_PA_TSADC		S5PC100_PA_TSADC
 #define S3C_PA_ONENAND		S5PC100_PA_ONENAND
diff --git a/arch/arm/mach-s5pc100/include/mach/regs-gpio.h b/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
index dd6295e1251..763edebdd57 100644
--- a/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
+++ b/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
@@ -60,9 +60,12 @@
 #define S5PC100EINT30PEND		(S5P_VA_GPIO + 0xF40)
 #define S5P_EINT_PEND(x)		(S5PC100EINT30PEND + ((x) * 0x4))
 
-#define EINT_REG_NR(x)			(EINT_OFFSET(x) >> 3)
+#define eint_offset(irq) ((irq) < IRQ_EINT16_31 ? ((irq) - IRQ_EINT(0)) : \
+			  (((irq) - S5P_EINT_BASE2)))
 
-#define eint_irq_to_bit(irq)		(1 << (EINT_OFFSET(irq) & 0x7))
+#define EINT_REG_NR(x)			(eint_offset(x) >> 3)
+
+#define eint_irq_to_bit(irq)		(1 << (eint_offset(irq) & 0x7))
 
 /* values for S5P_EXTINT0 */
 #define S5P_EXTINT_LOWLEV		(0x00)

From de0c141feec6a5823461a4dbcc205c71ea601417 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 04:51:55 +0100
Subject: [PATCH 2803/3638] ARM: s5pc100_defconfig: change ARCH_S5PC1XX to
 ARCH_S5PC100

Fixup the defconfig post the latest moves, so ARCH_S5PC1XX becomes
ARCH_S5PC100 which is sufficient to get the system building.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5pc100_defconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/configs/s5pc100_defconfig b/arch/arm/configs/s5pc100_defconfig
index dc108afc060..2053be6c9af 100644
--- a/arch/arm/configs/s5pc100_defconfig
+++ b/arch/arm/configs/s5pc100_defconfig
@@ -171,7 +171,7 @@ CONFIG_DEFAULT_IOSCHED="cfq"
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_S3C64XX is not set
-CONFIG_ARCH_S5PC1XX=y
+CONFIG_ARCH_S5PC100=y
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set

From 59d29f3b510719bf179d86bdfbec67bc086fea90 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 03:17:31 +0100
Subject: [PATCH 2804/3638] ARM: s3c2410_defconfig: Update s3c2410_defconfig to
 v2.6.34

Update the s3c2410_defconfig to the latest kernel version v2.6.34

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c2410_defconfig | 642 +++++++++++++++--------------
 1 file changed, 323 insertions(+), 319 deletions(-)

diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
index 8e94c3caeb8..9236475e713 100644
--- a/arch/arm/configs/s3c2410_defconfig
+++ b/arch/arm/configs/s3c2410_defconfig
@@ -1,14 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30-rc2
+# Linux kernel version: 2.6.34
+# Sat May 22 03:17:31 2010
 #
 CONFIG_ARM=y
 CONFIG_HAVE_PWM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
-# CONFIG_GENERIC_TIME is not set
-# CONFIG_GENERIC_CLOCKEVENTS is not set
-CONFIG_MMU=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -18,13 +17,14 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_HAS_CPUFREQ=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -34,6 +34,12 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
@@ -45,15 +51,16 @@ CONFIG_SYSVIPC_SYSCTL=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 CONFIG_IKCONFIG=m
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=16
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -69,6 +76,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 CONFIG_RD_BZIP2=y
 CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -78,7 +86,6 @@ CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
-# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
@@ -91,19 +98,30 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
+
+#
+# Kernel Performance Events And Counters
+#
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
 # CONFIG_KPROBES is not set
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_CLK=y
-# CONFIG_SLOW_WORK is not set
+
+#
+# GCOV-based kernel profiling
+#
+CONFIG_SLOW_WORK=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -115,7 +133,7 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
+CONFIG_LBDAF=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -123,32 +141,62 @@ CONFIG_BLOCK=y
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_DEADLINE is not set
-# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
-CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 CONFIG_FREEZER=y
 
 #
 # System Type
 #
+CONFIG_MMU=y
 # CONFIG_ARCH_AAEC2000 is not set
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
-# CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -156,42 +204,36 @@ CONFIG_FREEZER=y
 # CONFIG_ARCH_IXP2000 is not set
 # CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
 # CONFIG_ARCH_KIRKWOOD is not set
-# CONFIG_ARCH_KS8695 is not set
-# CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_LOKI is not set
 # CONFIG_ARCH_MV78XX0 is not set
-# CONFIG_ARCH_MXC is not set
 # CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
-# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 CONFIG_ARCH_S3C2410=y
 # CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_MSM is not set
-# CONFIG_ARCH_W90X900 is not set
-CONFIG_PLAT_S3C24XX=y
-CONFIG_S3C2410_CLOCK=y
-CONFIG_S3C24XX_DCLK=y
-CONFIG_CPU_S3C244X=y
-CONFIG_S3C24XX_PWM=y
-CONFIG_S3C24XX_GPIO_EXTRA=128
-CONFIG_S3C24XX_GPIO_EXTRA64=y
-CONFIG_S3C24XX_GPIO_EXTRA128=y
-CONFIG_PM_SIMTEC=y
-CONFIG_S3C2410_DMA=y
-# CONFIG_S3C2410_DMA_DEBUG is not set
-CONFIG_S3C_ADC=y
-CONFIG_MACH_SMDK=y
-CONFIG_PLAT_S3C=y
-CONFIG_CPU_LLSERIAL_S3C2410=y
-CONFIG_CPU_LLSERIAL_S3C2440=y
+CONFIG_PLAT_SAMSUNG=y
 
 #
 # Boot options
@@ -199,15 +241,35 @@ CONFIG_CPU_LLSERIAL_S3C2440=y
 # CONFIG_S3C_BOOT_WATCHDOG is not set
 CONFIG_S3C_BOOT_ERROR_RESET=y
 CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=0
+CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_SAMSUNG_GPIO_EXTRA=0
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_ADC=y
+CONFIG_S3C_DEV_HSMMC=y
+CONFIG_S3C_DEV_USB_HOST=y
+CONFIG_S3C_DEV_NAND=y
+CONFIG_S3C_DMA=y
 
 #
 # Power management
 #
 # CONFIG_SAMSUNG_PM_DEBUG is not set
 # CONFIG_SAMSUNG_PM_CHECK is not set
-CONFIG_S3C_LOWLEVEL_UART_PORT=0
-CONFIG_S3C_GPIO_SPACE=0
-CONFIG_S3C_DEV_HSMMC=y
+CONFIG_PLAT_S3C24XX=y
+CONFIG_CPU_LLSERIAL_S3C2410=y
+CONFIG_CPU_LLSERIAL_S3C2440=y
+CONFIG_S3C2410_CLOCK=y
+CONFIG_S3C24XX_DCLK=y
+CONFIG_S3C24XX_PWM=y
+CONFIG_S3C24XX_GPIO_EXTRA=128
+CONFIG_S3C24XX_GPIO_EXTRA64=y
+CONFIG_S3C24XX_GPIO_EXTRA128=y
+CONFIG_PM_SIMTEC=y
+CONFIG_S3C2410_DMA=y
+# CONFIG_S3C2410_DMA_DEBUG is not set
+CONFIG_MACH_SMDK=y
+CONFIG_S3C24XX_SIMTEC_AUDIO=y
 
 #
 # S3C2400 Machines
@@ -224,6 +286,7 @@ CONFIG_MACH_BAST_IDE=y
 #
 CONFIG_ARCH_SMDK2410=y
 CONFIG_ARCH_H1940=y
+# CONFIG_H1940BT is not set
 CONFIG_PM_H1940=y
 CONFIG_MACH_N30=y
 CONFIG_ARCH_BAST=y
@@ -247,25 +310,26 @@ CONFIG_MACH_S3C2413=y
 CONFIG_MACH_SMDK2412=y
 CONFIG_MACH_VSTMS=y
 CONFIG_CPU_S3C2440=y
+CONFIG_CPU_S3C2442=y
+CONFIG_CPU_S3C244X=y
+CONFIG_S3C2440_XTAL_12000000=y
+CONFIG_S3C2440_XTAL_16934400=y
 CONFIG_S3C2440_DMA=y
 
 #
-# S3C2440 Machines
+# S3C2440 and S3C2442 Machines
 #
 CONFIG_MACH_ANUBIS=y
+# CONFIG_MACH_NEO1973_GTA02 is not set
 CONFIG_MACH_OSIRIS=y
+# CONFIG_MACH_OSIRIS_DVS is not set
 CONFIG_MACH_RX3715=y
 CONFIG_ARCH_S3C2440=y
 CONFIG_MACH_NEXCODER_2440=y
 CONFIG_SMDK2440_CPU2440=y
-CONFIG_MACH_AT2440EVB=y
-CONFIG_CPU_S3C2442=y
-CONFIG_MACH_MINI2440=y
-
-#
-# S3C2442 Machines
-#
 CONFIG_SMDK2440_CPU2442=y
+CONFIG_MACH_AT2440EVB=y
+CONFIG_MACH_MINI2440=y
 CONFIG_CPU_S3C2443=y
 CONFIG_S3C2443_DMA=y
 
@@ -283,7 +347,7 @@ CONFIG_CPU_32v4T=y
 CONFIG_CPU_32v5=y
 CONFIG_CPU_ABRT_EV4T=y
 CONFIG_CPU_ABRT_EV5TJ=y
-CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_PABRT_LEGACY=y
 CONFIG_CPU_CACHE_V4WT=y
 CONFIG_CPU_CACHE_VIVT=y
 CONFIG_CPU_COPY_V4WB=y
@@ -299,7 +363,7 @@ CONFIG_CPU_CP15_MMU=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_DCACHE_WRITETHROUGH is not set
 # CONFIG_CPU_CACHE_ROUND_ROBIN is not set
-# CONFIG_OUTER_CACHE is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
 
 #
 # Bus support
@@ -316,10 +380,11 @@ CONFIG_VMSPLIT_3G=y
 # CONFIG_VMSPLIT_2G is not set
 # CONFIG_VMSPLIT_1G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
 CONFIG_HZ=200
 # CONFIG_AEABI is not set
-CONFIG_ARCH_FLATMEM_HAS_HOLES=y
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
 # CONFIG_HIGHMEM is not set
@@ -330,14 +395,14 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=999999
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
-CONFIG_HAVE_MLOCK=y
-CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
 
 #
 # Boot options
@@ -351,6 +416,7 @@ CONFIG_CMDLINE="root=/dev/hda1 ro init=/bin/bash console=ttySAC0"
 #
 # CPU Power Management
 #
+# CONFIG_CPU_FREQ is not set
 # CONFIG_CPU_IDLE is not set
 
 #
@@ -384,6 +450,8 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 CONFIG_APM_EMULATION=m
+# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_OPS=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
@@ -391,7 +459,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
@@ -463,6 +530,7 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=m
 CONFIG_INET6_XFRM_MODE_BEET=m
 CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
 CONFIG_IPV6_SIT=m
+# CONFIG_IPV6_SIT_6RD is not set
 CONFIG_IPV6_NDISC_NODETYPE=y
 CONFIG_IPV6_TUNNEL=m
 # CONFIG_IPV6_MULTIPLE_TABLES is not set
@@ -500,6 +568,7 @@ CONFIG_NF_CT_NETLINK=m
 CONFIG_NETFILTER_XTABLES=m
 CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
 CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
+# CONFIG_NETFILTER_XT_TARGET_CT is not set
 # CONFIG_NETFILTER_XT_TARGET_DSCP is not set
 CONFIG_NETFILTER_XT_TARGET_HL=m
 CONFIG_NETFILTER_XT_TARGET_LED=m
@@ -544,6 +613,7 @@ CONFIG_NETFILTER_XT_MATCH_STRING=m
 CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
 CONFIG_NETFILTER_XT_MATCH_TIME=m
 CONFIG_NETFILTER_XT_MATCH_U32=m
+# CONFIG_NETFILTER_XT_MATCH_OSF is not set
 CONFIG_IP_VS=m
 # CONFIG_IP_VS_IPV6 is not set
 # CONFIG_IP_VS_DEBUG is not set
@@ -556,6 +626,7 @@ CONFIG_IP_VS_TAB_BITS=12
 # CONFIG_IP_VS_PROTO_UDP is not set
 # CONFIG_IP_VS_PROTO_ESP is not set
 # CONFIG_IP_VS_PROTO_AH is not set
+# CONFIG_IP_VS_PROTO_SCTP is not set
 
 #
 # IPVS scheduler
@@ -639,6 +710,7 @@ CONFIG_IP6_NF_MANGLE=m
 CONFIG_IP6_NF_RAW=m
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -653,6 +725,7 @@ CONFIG_IP6_NF_RAW=m
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 # CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 CONFIG_NET_CLS_ROUTE=y
 # CONFIG_DCB is not set
@@ -687,19 +760,21 @@ CONFIG_BT_HCIBCM203X=m
 CONFIG_BT_HCIBPA10X=m
 CONFIG_BT_HCIBFUSB=m
 CONFIG_BT_HCIVHCI=m
+# CONFIG_BT_MRVL is not set
 # CONFIG_AF_RXRPC is not set
 CONFIG_WIRELESS=y
+CONFIG_WEXT_CORE=y
+CONFIG_WEXT_PROC=y
 CONFIG_CFG80211=m
+# CONFIG_NL80211_TESTMODE is not set
+# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
 # CONFIG_CFG80211_REG_DEBUG is not set
-# CONFIG_WIRELESS_OLD_REGULATORY is not set
-CONFIG_WIRELESS_EXT=y
+CONFIG_CFG80211_DEFAULT_PS=y
+# CONFIG_CFG80211_INTERNAL_REGDB is not set
+CONFIG_CFG80211_WEXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_LIB80211 is not set
 CONFIG_MAC80211=m
-
-#
-# Rate control algorithm selection
-#
 CONFIG_MAC80211_RC_MINSTREL=y
 # CONFIG_MAC80211_RC_DEFAULT_PID is not set
 CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
@@ -719,6 +794,7 @@ CONFIG_MAC80211_LEDS=y
 # Generic Driver Options
 #
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
@@ -730,9 +806,9 @@ CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
-# CONFIG_MTD_TESTS is not set
 CONFIG_MTD_REDBOOT_PARTS=y
 CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
 CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED=y
@@ -793,6 +869,7 @@ CONFIG_MTD_ROM=y
 #
 # CONFIG_MTD_DATAFLASH is not set
 # CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -843,6 +920,10 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
 CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_UB=m
 CONFIG_BLK_DEV_RAM=y
@@ -851,19 +932,26 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 CONFIG_ATA_OVER_ETH=m
+# CONFIG_MG_DISK is not set
 CONFIG_MISC_DEVICES=y
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_ISL29003 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_DS1682 is not set
+# CONFIG_TI_DAC7512 is not set
 # CONFIG_C2PORT is not set
 
 #
 # EEPROM support
 #
-CONFIG_EEPROM_AT24=m
+CONFIG_EEPROM_AT24=y
 CONFIG_EEPROM_AT25=m
 CONFIG_EEPROM_LEGACY=m
+# CONFIG_EEPROM_MAX6875 is not set
 CONFIG_EEPROM_93CX6=m
+# CONFIG_IWMC3200TOP is not set
 CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
 
@@ -890,6 +978,7 @@ CONFIG_BLK_DEV_PLATFORM=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -907,10 +996,6 @@ CONFIG_BLK_DEV_SR=m
 CONFIG_BLK_DEV_SR_VENDOR=y
 CONFIG_CHR_DEV_SG=y
 CONFIG_CHR_DEV_SCH=m
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
 CONFIG_SCSI_MULTI_LUN=y
 CONFIG_SCSI_CONSTANTS=y
 # CONFIG_SCSI_LOGGING is not set
@@ -951,7 +1036,6 @@ CONFIG_SCSI_LOWLEVEL=y
 CONFIG_HAVE_PATA_PLATFORM=y
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-CONFIG_COMPAT_NET_DEV_OPS=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -989,16 +1073,30 @@ CONFIG_DM9000_DEBUGLEVEL=4
 # CONFIG_NET_PCI is not set
 # CONFIG_B44 is not set
 # CONFIG_CS89x0 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NET_POCKET is not set
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
 # CONFIG_TR is not set
-
-#
-# Wireless LAN
-#
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
+CONFIG_WLAN=y
+# CONFIG_LIBERTAS_THINFIRM is not set
+# CONFIG_AT76C50X_USB is not set
+# CONFIG_USB_ZD1201 is not set
+# CONFIG_USB_NET_RNDIS_WLAN is not set
+# CONFIG_RTL8187 is not set
+# CONFIG_MAC80211_HWSIM is not set
+# CONFIG_ATH_COMMON is not set
+# CONFIG_B43 is not set
+# CONFIG_B43LEGACY is not set
+# CONFIG_HOSTAP is not set
+# CONFIG_IWM is not set
+# CONFIG_LIBERTAS is not set
+# CONFIG_P54_COMMON is not set
+# CONFIG_RT2X00 is not set
+# CONFIG_WL12XX is not set
+# CONFIG_ZD1211RW is not set
 
 #
 # Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -1012,6 +1110,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_USBNET is not set
+# CONFIG_USB_IPHETH is not set
 # CONFIG_WAN is not set
 # CONFIG_PLIP is not set
 # CONFIG_PPP is not set
@@ -1020,6 +1119,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
 # CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
 
 #
 # Input device support
@@ -1027,6 +1127,7 @@ CONFIG_NETDEV_10000=y
 CONFIG_INPUT=y
 CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -1043,13 +1144,19 @@ CONFIG_INPUT_EVDEV=y
 # Input Device Drivers
 #
 CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
 CONFIG_KEYBOARD_ATKBD=y
-# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_QT2160 is not set
 # CONFIG_KEYBOARD_LKKBD is not set
-# CONFIG_KEYBOARD_XTKBD is not set
-# CONFIG_KEYBOARD_NEWTON is not set
-# CONFIG_KEYBOARD_STOWAWAY is not set
 # CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_LM8323 is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
 CONFIG_INPUT_MOUSE=y
 CONFIG_MOUSE_PS2=y
 CONFIG_MOUSE_PS2_ALPS=y
@@ -1057,6 +1164,7 @@ CONFIG_MOUSE_PS2_LOGIPS2PP=y
 CONFIG_MOUSE_PS2_SYNAPTICS=y
 CONFIG_MOUSE_PS2_TRACKPOINT=y
 # CONFIG_MOUSE_PS2_ELANTECH is not set
+# CONFIG_MOUSE_PS2_SENTELIC is not set
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 # CONFIG_MOUSE_SERIAL is not set
 CONFIG_MOUSE_APPLETOUCH=m
@@ -1066,6 +1174,7 @@ CONFIG_MOUSE_BCM5974=m
 # CONFIG_MOUSE_PC110PAD is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 # CONFIG_MOUSE_GPIO is not set
+# CONFIG_MOUSE_SYNAPTICS_I2C is not set
 CONFIG_INPUT_JOYSTICK=y
 CONFIG_JOYSTICK_ANALOG=m
 CONFIG_JOYSTICK_A3D=m
@@ -1102,10 +1211,14 @@ CONFIG_INPUT_TOUCHSCREEN=y
 # CONFIG_TOUCHSCREEN_AD7879_I2C is not set
 # CONFIG_TOUCHSCREEN_AD7879_SPI is not set
 # CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_EETI is not set
 # CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_S3C2410 is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
 # CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
@@ -1126,8 +1239,14 @@ CONFIG_TOUCHSCREEN_USB_IRTOUCH=y
 CONFIG_TOUCHSCREEN_USB_IDEALTEK=y
 CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH=y
 CONFIG_TOUCHSCREEN_USB_GOTOP=y
+CONFIG_TOUCHSCREEN_USB_JASTEC=y
+CONFIG_TOUCHSCREEN_USB_E2I=y
+CONFIG_TOUCHSCREEN_USB_ZYTRONIC=y
+CONFIG_TOUCHSCREEN_USB_ETT_TC5UH=y
+CONFIG_TOUCHSCREEN_USB_NEXIO=y
 # CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 # CONFIG_TOUCHSCREEN_TSC2007 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_ATI_REMOTE=m
 CONFIG_INPUT_ATI_REMOTE2=m
@@ -1146,6 +1265,7 @@ CONFIG_SERIO_SERPORT=y
 # CONFIG_SERIO_PARKBD is not set
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
 CONFIG_GAMEPORT=m
 # CONFIG_GAMEPORT_NS558 is not set
 # CONFIG_GAMEPORT_L4 is not set
@@ -1169,8 +1289,6 @@ CONFIG_SERIAL_NONSTANDARD=y
 # CONFIG_N_HDLC is not set
 # CONFIG_RISCOM8 is not set
 # CONFIG_SPECIALIX is not set
-# CONFIG_SX is not set
-# CONFIG_RIO is not set
 # CONFIG_STALDRV is not set
 
 #
@@ -1195,6 +1313,7 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 # Non-8250 serial port support
 #
 CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_UARTS_4=y
 CONFIG_SERIAL_SAMSUNG_UARTS=4
 # CONFIG_SERIAL_SAMSUNG_DEBUG is not set
 CONFIG_SERIAL_SAMSUNG_CONSOLE=y
@@ -1204,6 +1323,7 @@ CONFIG_SERIAL_S3C2440=y
 # CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -1221,6 +1341,7 @@ CONFIG_HW_RANDOM=y
 CONFIG_DEVPORT=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_ALGOBIT=y
@@ -1232,10 +1353,12 @@ CONFIG_I2C_ALGOBIT=y
 #
 # I2C system bus drivers (mostly embedded / system-on-chip)
 #
+# CONFIG_I2C_DESIGNWARE is not set
 # CONFIG_I2C_GPIO is not set
 # CONFIG_I2C_OCORES is not set
 CONFIG_I2C_S3C2410=y
 CONFIG_I2C_SIMTEC=y
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -1252,20 +1375,9 @@ CONFIG_I2C_SIMTEC=y
 # CONFIG_I2C_PCA_ISA is not set
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_DS1682 is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 CONFIG_SPI=y
 # CONFIG_SPI_DEBUG is not set
 CONFIG_SPI_MASTER=y
@@ -1278,13 +1390,21 @@ CONFIG_SPI_BITBANG=m
 CONFIG_SPI_GPIO=m
 # CONFIG_SPI_LM70_LLP is not set
 CONFIG_SPI_S3C24XX=m
+# CONFIG_SPI_S3C24XX_FIQ is not set
 CONFIG_SPI_S3C24XX_GPIO=m
+# CONFIG_SPI_XILINX is not set
+# CONFIG_SPI_DESIGNWARE is not set
 
 #
 # SPI Protocol Masters
 #
 CONFIG_SPI_SPIDEV=m
 CONFIG_SPI_TLE62X0=m
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_REQUIRE_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -1293,13 +1413,16 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
 #
+# CONFIG_GPIO_MAX7300 is not set
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -1310,10 +1433,20 @@ CONFIG_GPIOLIB=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 CONFIG_HWMON_VID=m
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Native drivers
+#
 # CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
 # CONFIG_SENSORS_ADCXX is not set
@@ -1323,10 +1456,11 @@ CONFIG_HWMON_VID=m
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7411 is not set
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
-# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
@@ -1338,6 +1472,7 @@ CONFIG_HWMON_VID=m
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
 # CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_LM73 is not set
 CONFIG_SENSORS_LM75=m
 # CONFIG_SENSORS_LM77 is not set
 CONFIG_SENSORS_LM78=m
@@ -1358,12 +1493,16 @@ CONFIG_SENSORS_LM85=m
 # CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_SHT15 is not set
+# CONFIG_SENSORS_S3C is not set
 # CONFIG_SENSORS_DME1737 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_TMP401 is not set
+# CONFIG_SENSORS_TMP421 is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83791D is not set
@@ -1374,9 +1513,8 @@ CONFIG_SENSORS_LM85=m
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_SENSORS_LIS3_SPI is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_SENSORS_LIS3_I2C is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -1385,6 +1523,7 @@ CONFIG_WATCHDOG=y
 #
 # CONFIG_SOFT_WATCHDOG is not set
 CONFIG_S3C2410_WATCHDOG=y
+# CONFIG_MAX63XX_WATCHDOG is not set
 
 #
 # ISA-based Watchdog Cards
@@ -1408,11 +1547,13 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 CONFIG_MFD_SM501=y
 # CONFIG_MFD_SM501_GPIO is not set
 # CONFIG_MFD_ASIC3 is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
 # CONFIG_UCB1400_CORE is not set
 # CONFIG_TPS65010 is not set
 # CONFIG_TWL4030_CORE is not set
@@ -1421,200 +1562,19 @@ CONFIG_MFD_SM501=y
 # CONFIG_MFD_TC6387XB is not set
 # CONFIG_MFD_TC6393XB is not set
 # CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-CONFIG_VIDEO_DEV=m
-CONFIG_VIDEO_V4L2_COMMON=m
-CONFIG_VIDEO_ALLOW_V4L1=y
-CONFIG_VIDEO_V4L1_COMPAT=y
-CONFIG_DVB_CORE=m
-CONFIG_VIDEO_MEDIA=m
-
-#
-# Multimedia drivers
-#
-CONFIG_MEDIA_ATTACH=y
-CONFIG_MEDIA_TUNER=m
-# CONFIG_MEDIA_TUNER_CUSTOMISE is not set
-CONFIG_MEDIA_TUNER_SIMPLE=m
-CONFIG_MEDIA_TUNER_TDA8290=m
-CONFIG_MEDIA_TUNER_TDA827X=m
-CONFIG_MEDIA_TUNER_TDA18271=m
-CONFIG_MEDIA_TUNER_TDA9887=m
-CONFIG_MEDIA_TUNER_TEA5761=m
-CONFIG_MEDIA_TUNER_TEA5767=m
-CONFIG_MEDIA_TUNER_MT20XX=m
-CONFIG_MEDIA_TUNER_MT2060=m
-CONFIG_MEDIA_TUNER_MT2266=m
-CONFIG_MEDIA_TUNER_QT1010=m
-CONFIG_MEDIA_TUNER_XC2028=m
-CONFIG_MEDIA_TUNER_XC5000=m
-CONFIG_MEDIA_TUNER_MXL5005S=m
-CONFIG_MEDIA_TUNER_MXL5007T=m
-CONFIG_MEDIA_TUNER_MC44S803=m
-CONFIG_VIDEO_V4L2=m
-CONFIG_VIDEO_V4L1=m
-CONFIG_VIDEOBUF_GEN=m
-CONFIG_VIDEOBUF_VMALLOC=m
-CONFIG_VIDEO_TVEEPROM=m
-CONFIG_VIDEO_CAPTURE_DRIVERS=y
-# CONFIG_VIDEO_ADV_DEBUG is not set
-# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
-CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
-CONFIG_VIDEO_VIVI=m
-CONFIG_VIDEO_PMS=m
-CONFIG_VIDEO_BWQCAM=m
-CONFIG_VIDEO_CQCAM=m
-CONFIG_VIDEO_W9966=m
-CONFIG_VIDEO_CPIA=m
-CONFIG_VIDEO_CPIA_PP=m
-CONFIG_VIDEO_CPIA_USB=m
-CONFIG_VIDEO_CPIA2=m
-CONFIG_VIDEO_SAA5246A=m
-CONFIG_VIDEO_SAA5249=m
-CONFIG_VIDEO_AU0828=m
-# CONFIG_SOC_CAMERA is not set
-CONFIG_V4L_USB_DRIVERS=y
-# CONFIG_USB_VIDEO_CLASS is not set
-CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
-CONFIG_USB_GSPCA=m
-# CONFIG_USB_M5602 is not set
-# CONFIG_USB_STV06XX is not set
-# CONFIG_USB_GSPCA_CONEX is not set
-# CONFIG_USB_GSPCA_ETOMS is not set
-# CONFIG_USB_GSPCA_FINEPIX is not set
-# CONFIG_USB_GSPCA_MARS is not set
-# CONFIG_USB_GSPCA_MR97310A is not set
-# CONFIG_USB_GSPCA_OV519 is not set
-# CONFIG_USB_GSPCA_OV534 is not set
-# CONFIG_USB_GSPCA_PAC207 is not set
-# CONFIG_USB_GSPCA_PAC7311 is not set
-# CONFIG_USB_GSPCA_SONIXB is not set
-# CONFIG_USB_GSPCA_SONIXJ is not set
-# CONFIG_USB_GSPCA_SPCA500 is not set
-# CONFIG_USB_GSPCA_SPCA501 is not set
-# CONFIG_USB_GSPCA_SPCA505 is not set
-# CONFIG_USB_GSPCA_SPCA506 is not set
-# CONFIG_USB_GSPCA_SPCA508 is not set
-# CONFIG_USB_GSPCA_SPCA561 is not set
-# CONFIG_USB_GSPCA_SQ905 is not set
-# CONFIG_USB_GSPCA_SQ905C is not set
-# CONFIG_USB_GSPCA_STK014 is not set
-# CONFIG_USB_GSPCA_SUNPLUS is not set
-# CONFIG_USB_GSPCA_T613 is not set
-# CONFIG_USB_GSPCA_TV8532 is not set
-# CONFIG_USB_GSPCA_VC032X is not set
-# CONFIG_USB_GSPCA_ZC3XX is not set
-# CONFIG_VIDEO_PVRUSB2 is not set
-# CONFIG_VIDEO_HDPVR is not set
-# CONFIG_VIDEO_EM28XX is not set
-# CONFIG_VIDEO_CX231XX is not set
-# CONFIG_VIDEO_USBVISION is not set
-# CONFIG_USB_VICAM is not set
-# CONFIG_USB_IBMCAM is not set
-# CONFIG_USB_KONICAWC is not set
-# CONFIG_USB_QUICKCAM_MESSENGER is not set
-# CONFIG_USB_ET61X251 is not set
-# CONFIG_VIDEO_OVCAMCHIP is not set
-# CONFIG_USB_OV511 is not set
-# CONFIG_USB_SE401 is not set
-# CONFIG_USB_SN9C102 is not set
-# CONFIG_USB_STV680 is not set
-# CONFIG_USB_ZC0301 is not set
-# CONFIG_USB_PWC is not set
-CONFIG_USB_PWC_INPUT_EVDEV=y
-# CONFIG_USB_ZR364XX is not set
-# CONFIG_USB_STKWEBCAM is not set
-# CONFIG_USB_S2255 is not set
-CONFIG_RADIO_ADAPTERS=y
-CONFIG_RADIO_CADET=m
-CONFIG_RADIO_RTRACK=m
-CONFIG_RADIO_RTRACK2=m
-CONFIG_RADIO_AZTECH=m
-CONFIG_RADIO_GEMTEK=m
-CONFIG_RADIO_SF16FMI=m
-CONFIG_RADIO_SF16FMR2=m
-CONFIG_RADIO_TERRATEC=m
-CONFIG_RADIO_TRUST=m
-CONFIG_RADIO_TYPHOON=m
-CONFIG_RADIO_TYPHOON_PROC_FS=y
-CONFIG_RADIO_ZOLTRIX=m
-CONFIG_USB_DSBR=m
-CONFIG_USB_SI470X=m
-CONFIG_USB_MR800=m
-CONFIG_RADIO_TEA5764=m
-CONFIG_DVB_DYNAMIC_MINORS=y
-CONFIG_DVB_CAPTURE_DRIVERS=y
-# CONFIG_TTPCI_EEPROM is not set
-
-#
-# Supported USB Adapters
-#
-CONFIG_DVB_USB=m
-# CONFIG_DVB_USB_DEBUG is not set
-# CONFIG_DVB_USB_A800 is not set
-CONFIG_DVB_USB_DIBUSB_MB=m
-# CONFIG_DVB_USB_DIBUSB_MB_FAULTY is not set
-CONFIG_DVB_USB_DIBUSB_MC=m
-CONFIG_DVB_USB_DIB0700=m
-CONFIG_DVB_USB_UMT_010=m
-CONFIG_DVB_USB_CXUSB=m
-CONFIG_DVB_USB_M920X=m
-# CONFIG_DVB_USB_GL861 is not set
-# CONFIG_DVB_USB_AU6610 is not set
-# CONFIG_DVB_USB_DIGITV is not set
-# CONFIG_DVB_USB_VP7045 is not set
-# CONFIG_DVB_USB_VP702X is not set
-# CONFIG_DVB_USB_GP8PSK is not set
-# CONFIG_DVB_USB_NOVA_T_USB2 is not set
-# CONFIG_DVB_USB_TTUSB2 is not set
-# CONFIG_DVB_USB_DTT200U is not set
-# CONFIG_DVB_USB_OPERA1 is not set
-CONFIG_DVB_USB_AF9005=m
-# CONFIG_DVB_USB_AF9005_REMOTE is not set
-# CONFIG_DVB_USB_DW2102 is not set
-# CONFIG_DVB_USB_CINERGY_T2 is not set
-# CONFIG_DVB_USB_ANYSEE is not set
-# CONFIG_DVB_USB_DTV5100 is not set
-# CONFIG_DVB_USB_AF9015 is not set
-# CONFIG_DVB_USB_CE6230 is not set
-# CONFIG_DVB_SIANO_SMS1XXX is not set
-
-#
-# Supported FlexCopII (B2C2) Adapters
-#
-# CONFIG_DVB_B2C2_FLEXCOP is not set
-
-#
-# Supported DVB Frontends
-#
-# CONFIG_DVB_FE_CUSTOMISE is not set
-CONFIG_DVB_CX22702=m
-CONFIG_DVB_TDA1004X=m
-CONFIG_DVB_MT352=m
-CONFIG_DVB_ZL10353=m
-CONFIG_DVB_DIB3000MB=m
-CONFIG_DVB_DIB3000MC=m
-CONFIG_DVB_DIB7000M=m
-CONFIG_DVB_DIB7000P=m
-CONFIG_DVB_LGDT330X=m
-CONFIG_DVB_LGDT3305=m
-CONFIG_DVB_AU8522=m
-CONFIG_DVB_S5H1411=m
-CONFIG_DVB_PLL=m
-CONFIG_DVB_TUNER_DIB0070=m
-CONFIG_DVB_LGS8GL5=m
-CONFIG_DAB=y
-CONFIG_USB_DABUSB=m
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_AB4500_CORE is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -1653,6 +1613,8 @@ CONFIG_FB_SM501=y
 # CONFIG_FB_BROADSHEET is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=m
+# CONFIG_LCD_L4F00242T03 is not set
+# CONFIG_LCD_LMS283GF05 is not set
 # CONFIG_LCD_LTV350QV is not set
 # CONFIG_LCD_ILI9320 is not set
 # CONFIG_LCD_TDO24M is not set
@@ -1682,6 +1644,7 @@ CONFIG_FONT_8x16=y
 # CONFIG_LOGO is not set
 CONFIG_SOUND=y
 CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
 CONFIG_SND=y
 CONFIG_SND_TIMER=y
 CONFIG_SND_PCM=y
@@ -1701,36 +1664,43 @@ CONFIG_SND_VERBOSE_PROCFS=y
 CONFIG_SND_VERBOSE_PRINTK=y
 # CONFIG_SND_DEBUG is not set
 CONFIG_SND_VMASTER=y
+CONFIG_SND_RAWMIDI_SEQ=m
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
 CONFIG_SND_AC97_CODEC=m
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_ARM is not set
 # CONFIG_SND_SPI is not set
 CONFIG_SND_USB=y
 CONFIG_SND_USB_AUDIO=m
+# CONFIG_SND_USB_UA101 is not set
 CONFIG_SND_USB_CAIAQ=m
 # CONFIG_SND_USB_CAIAQ_INPUT is not set
 CONFIG_SND_SOC=y
 CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_S3C24XX_SOC=y
-CONFIG_SND_S3C24XX_SOC_I2S=m
+CONFIG_SND_S3C24XX_SOC_I2S=y
 CONFIG_SND_S3C_I2SV2_SOC=m
 CONFIG_SND_S3C2412_SOC_I2S=m
-CONFIG_SND_S3C2443_SOC_AC97=m
+CONFIG_SND_S3C_SOC_AC97=m
 CONFIG_SND_S3C24XX_SOC_JIVE_WM8750=m
 CONFIG_SND_S3C24XX_SOC_SMDK2443_WM9710=m
 CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650=m
-CONFIG_SND_S3C24XX_SOC_S3C24XX_UDA134X=m
+CONFIG_SND_S3C24XX_SOC_S3C24XX_UDA134X=y
+# CONFIG_SND_S3C24XX_SOC_SIMTEC_TLV320AIC23 is not set
+# CONFIG_SND_S3C24XX_SOC_SIMTEC_HERMES is not set
 CONFIG_SND_SOC_I2C_AND_SPI=y
 # CONFIG_SND_SOC_ALL_CODECS is not set
 CONFIG_SND_SOC_AC97_CODEC=m
-CONFIG_SND_SOC_L3=m
-CONFIG_SND_SOC_UDA134X=m
+CONFIG_SND_SOC_L3=y
+CONFIG_SND_SOC_UDA134X=y
 CONFIG_SND_SOC_WM8750=m
 # CONFIG_SOUND_PRIME is not set
 CONFIG_AC97_BUS=y
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 
 #
@@ -1743,6 +1713,8 @@ CONFIG_HID=y
 # Special HID drivers
 #
 CONFIG_HID_APPLE=m
+# CONFIG_HID_MAGICMOUSE is not set
+# CONFIG_HID_WACOM is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1757,8 +1729,6 @@ CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_SUSPEND is not set
-# CONFIG_USB_OTG is not set
 CONFIG_USB_MON=y
 # CONFIG_USB_WUSB is not set
 # CONFIG_USB_WUSB_CBAF is not set
@@ -1770,6 +1740,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_OXU210HP_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
 # CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
 CONFIG_USB_OHCI_HCD=y
 # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
 # CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
@@ -1854,6 +1825,7 @@ CONFIG_USB_SERIAL_FTDI_SIO=y
 CONFIG_USB_SERIAL_NAVMAN=m
 CONFIG_USB_SERIAL_PL2303=y
 # CONFIG_USB_SERIAL_OTI6858 is not set
+# CONFIG_USB_SERIAL_QCAUX is not set
 # CONFIG_USB_SERIAL_QUALCOMM is not set
 # CONFIG_USB_SERIAL_SPCP8X5 is not set
 # CONFIG_USB_SERIAL_HP4X is not set
@@ -1867,6 +1839,7 @@ CONFIG_USB_SERIAL_PL2303=y
 CONFIG_USB_SERIAL_OPTION=m
 # CONFIG_USB_SERIAL_OMNINET is not set
 # CONFIG_USB_SERIAL_OPTICON is not set
+# CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set
 # CONFIG_USB_SERIAL_DEBUG is not set
 
 #
@@ -1879,7 +1852,6 @@ CONFIG_USB_SEVSEG=m
 CONFIG_USB_RIO500=m
 CONFIG_USB_LEGOTOWER=m
 CONFIG_USB_LCD=m
-CONFIG_USB_BERRY_CHARGE=m
 CONFIG_USB_LED=m
 CONFIG_USB_CYPRESS_CY7C63=m
 CONFIG_USB_CYTHERM=m
@@ -1891,13 +1863,13 @@ CONFIG_USB_TRANCEVIBRATOR=m
 CONFIG_USB_IOWARRIOR=m
 CONFIG_USB_TEST=m
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 
 #
 # OTG and related infrastructure
 #
 # CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_USB_ULPI is not set
 # CONFIG_NOP_USB_XCEIV is not set
 CONFIG_MMC=y
 # CONFIG_MMC_DEBUG is not set
@@ -1915,10 +1887,15 @@ CONFIG_MMC_TEST=m
 # MMC/SD/SDIO Host Controller Drivers
 #
 CONFIG_MMC_SDHCI=m
+# CONFIG_MMC_SDHCI_PLTFM is not set
+# CONFIG_MMC_SDHCI_S3C is not set
 CONFIG_MMC_SPI=m
 CONFIG_MMC_S3C=y
+# CONFIG_MMC_S3C_HW_SDIO_IRQ is not set
+CONFIG_MMC_S3C_PIO=y
+# CONFIG_MMC_S3C_DMA is not set
+# CONFIG_MMC_S3C_PIODMA is not set
 # CONFIG_MEMSTICK is not set
-# CONFIG_ACCESSIBILITY is not set
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=m
 
@@ -1930,26 +1907,28 @@ CONFIG_LEDS_H1940=m
 CONFIG_LEDS_PCA9532=m
 CONFIG_LEDS_GPIO=m
 CONFIG_LEDS_GPIO_PLATFORM=y
-CONFIG_LEDS_LP5521=m
+# CONFIG_LEDS_LP3944 is not set
 CONFIG_LEDS_PCA955X=m
 CONFIG_LEDS_DAC124S085=m
 CONFIG_LEDS_PWM=m
 CONFIG_LEDS_BD2802=m
+# CONFIG_LEDS_LT3593 is not set
+CONFIG_LEDS_TRIGGERS=y
 
 #
 # LED Triggers
 #
-CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=m
 # CONFIG_LEDS_TRIGGER_IDE_DISK is not set
 CONFIG_LEDS_TRIGGER_HEARTBEAT=m
-CONFIG_LEDS_TRIGGER_BACKLIGHT=m
+CONFIG_LEDS_TRIGGER_BACKLIGHT=y
 CONFIG_LEDS_TRIGGER_GPIO=m
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
 
 #
 # iptables trigger is under Netfilter config (LED target)
 #
+# CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_HCTOSYS=y
@@ -1978,9 +1957,11 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_PCF8563 is not set
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_BQ32K is not set
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -1992,6 +1973,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -2005,7 +1987,9 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_M48T86 is not set
 # CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
 # CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -2014,8 +1998,11 @@ CONFIG_RTC_INTF_DEV=y
 CONFIG_RTC_DRV_S3C=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
-# CONFIG_REGULATOR is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
@@ -2032,20 +2019,23 @@ CONFIG_EXT3_FS_XATTR=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 # CONFIG_EXT3_FS_SECURITY is not set
 CONFIG_EXT4_FS=m
-# CONFIG_EXT4DEV_COMPAT is not set
 CONFIG_EXT4_FS_XATTR=y
 CONFIG_EXT4_FS_POSIX_ACL=y
 # CONFIG_EXT4_FS_SECURITY is not set
+# CONFIG_EXT4_DEBUG is not set
 CONFIG_JBD=y
 CONFIG_JBD2=m
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -2053,6 +2043,7 @@ CONFIG_INOTIFY_USER=y
 CONFIG_AUTOFS_FS=m
 CONFIG_AUTOFS4_FS=m
 CONFIG_FUSE_FS=m
+# CONFIG_CUSE is not set
 CONFIG_GENERIC_ACL=y
 
 #
@@ -2111,6 +2102,7 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 CONFIG_SQUASHFS=m
 # CONFIG_SQUASHFS_EMBEDDED is not set
@@ -2127,7 +2119,6 @@ CONFIG_ROMFS_BACKED_BY_BLOCK=y
 CONFIG_ROMFS_ON_BLOCK=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
@@ -2149,6 +2140,7 @@ CONFIG_SUNRPC_GSS=m
 CONFIG_RPCSEC_GSS_KRB5=m
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
 CONFIG_CIFS=m
 # CONFIG_CIFS_STATS is not set
 # CONFIG_CIFS_WEAK_PW_HASH is not set
@@ -2230,6 +2222,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
@@ -2246,6 +2239,7 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_TIMER_STATS is not set
 # CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
@@ -2264,28 +2258,28 @@ CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 CONFIG_FRAME_POINTER=y
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
 # CONFIG_PAGE_POISONING is not set
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
-
-#
-# Tracers
-#
+CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_EVENT_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
-# CONFIG_TRACE_BRANCH_PROFILING is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
 # CONFIG_STACK_TRACER is not set
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
@@ -2297,7 +2291,9 @@ CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
 # CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
 CONFIG_DEBUG_S3C_UART=0
 
 #
@@ -2306,13 +2302,16 @@ CONFIG_DEBUG_S3C_UART=0
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=m
 CONFIG_CRYPTO_ALGAPI2=m
 CONFIG_CRYPTO_AEAD=m
@@ -2355,11 +2354,13 @@ CONFIG_CRYPTO_ECB=m
 #
 CONFIG_CRYPTO_HMAC=m
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 CONFIG_CRYPTO_CRC32C=m
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=m
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -2420,9 +2421,11 @@ CONFIG_CRC7=m
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_DECOMPRESS=y
 CONFIG_DECOMPRESS_GZIP=y
 CONFIG_DECOMPRESS_BZIP2=y
 CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
 CONFIG_TEXTSEARCH=y
 CONFIG_TEXTSEARCH_KMP=m
 CONFIG_TEXTSEARCH_BM=m
@@ -2430,3 +2433,4 @@ CONFIG_TEXTSEARCH_FSM=m
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_DMA=y
 CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y

From 77f0cfc6e17431eec05f6aeb19051d715c558c63 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 03:17:32 +0100
Subject: [PATCH 2805/3638] ARM: s3c6400_defconfig: Update s3c6400_defconfig to
 v2.6.34

Update the s3c6400_defconfig to the latest kernel version v2.6.34

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 85 +++++++++++++++++-------------
 1 file changed, 49 insertions(+), 36 deletions(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index 5e7d4c1b8fc..46781305e71 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -1,11 +1,12 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc4
-# Tue Jan 19 13:12:40 2010
+# Linux kernel version: 2.6.34
+# Sat May 22 03:17:32 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -18,6 +19,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_ARCH_HAS_CPUFREQ=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -53,7 +55,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -89,10 +90,14 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
 # Kernel Performance Events And Counters
 #
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLUB_DEBUG=y
 CONFIG_COMPAT_BRK=y
@@ -175,6 +180,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
@@ -184,7 +190,6 @@ CONFIG_MMU=y
 # CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -201,30 +206,44 @@ CONFIG_MMU=y
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 CONFIG_ARCH_S3C64XX=y
 # CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
 # CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_BCMRING is not set
-# CONFIG_ARCH_U8500 is not set
 CONFIG_PLAT_SAMSUNG=y
+
+#
+# Boot options
+#
+CONFIG_S3C_BOOT_ERROR_RESET=y
+CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=0
 CONFIG_SAMSUNG_CLKSRC=y
 CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
 CONFIG_SAMSUNG_IRQ_UART=y
+CONFIG_SAMSUNG_GPIOLIB_4BIT=y
 CONFIG_S3C_GPIO_CFG_S3C24XX=y
 CONFIG_S3C_GPIO_CFG_S3C64XX=y
 CONFIG_S3C_GPIO_PULL_UPDOWN=y
 CONFIG_SAMSUNG_GPIO_EXTRA=0
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_GPIO_TRACK=y
 # CONFIG_S3C_ADC is not set
 CONFIG_S3C_DEV_HSMMC=y
 CONFIG_S3C_DEV_HSMMC1=y
@@ -233,36 +252,25 @@ CONFIG_S3C_DEV_FB=y
 CONFIG_S3C_DEV_USB_HOST=y
 CONFIG_S3C_DEV_USB_HSOTG=y
 CONFIG_S3C_DEV_NAND=y
-CONFIG_PLAT_S3C64XX=y
-CONFIG_CPU_S3C6400_INIT=y
-CONFIG_CPU_S3C6400_CLOCK=y
-# CONFIG_S3C64XX_DMA is not set
-CONFIG_S3C64XX_SETUP_I2C0=y
-CONFIG_S3C64XX_SETUP_I2C1=y
-CONFIG_S3C64XX_SETUP_FB_24BPP=y
-CONFIG_S3C64XX_SETUP_SDHCI_GPIO=y
-CONFIG_PLAT_S3C=y
-
-#
-# Boot options
-#
-CONFIG_S3C_BOOT_ERROR_RESET=y
-CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
 
 #
 # Power management
 #
-CONFIG_S3C_LOWLEVEL_UART_PORT=0
-CONFIG_S3C_GPIO_SPACE=0
-CONFIG_S3C_GPIO_TRACK=y
-# CONFIG_MACH_SMDK6400 is not set
+CONFIG_PLAT_S3C64XX=y
 CONFIG_CPU_S3C6410=y
-CONFIG_S3C6410_SETUP_SDHCI=y
+# CONFIG_S3C64XX_DMA is not set
+CONFIG_S3C64XX_SETUP_SDHCI=y
+CONFIG_S3C64XX_SETUP_I2C0=y
+CONFIG_S3C64XX_SETUP_I2C1=y
+CONFIG_S3C64XX_SETUP_FB_24BPP=y
+CONFIG_S3C64XX_SETUP_SDHCI_GPIO=y
+# CONFIG_MACH_SMDK6400 is not set
 # CONFIG_MACH_ANW6410 is not set
 CONFIG_MACH_SMDK6410=y
 CONFIG_SMDK6410_SD_CH0=y
 # CONFIG_SMDK6410_SD_CH1 is not set
 # CONFIG_SMDK6410_WM1190_EV1 is not set
+# CONFIG_SMDK6410_WM1192_EV1 is not set
 # CONFIG_MACH_NCP is not set
 # CONFIG_MACH_HMT is not set
 
@@ -290,6 +298,7 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_411920 is not set
 CONFIG_ARM_VIC=y
 CONFIG_ARM_VIC_NR=2
@@ -413,6 +422,7 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_ISL29003 is not set
+# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_DS1682 is not set
 # CONFIG_C2PORT is not set
 
@@ -430,6 +440,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
 # CONFIG_SCSI_DMA is not set
@@ -527,12 +538,14 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # Non-8250 serial port support
 #
 CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_UARTS_4=y
 CONFIG_SERIAL_SAMSUNG_UARTS=4
 # CONFIG_SERIAL_SAMSUNG_DEBUG is not set
 CONFIG_SERIAL_SAMSUNG_CONSOLE=y
 CONFIG_SERIAL_S3C6400=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -561,6 +574,7 @@ CONFIG_I2C_HELPER_AUTO=y
 # CONFIG_I2C_OCORES is not set
 CONFIG_I2C_S3C2410=y
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -573,15 +587,9 @@ CONFIG_I2C_S3C2410=y
 #
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
 
 #
@@ -596,10 +604,12 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
 #
+# CONFIG_GPIO_MAX7300 is not set
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
@@ -633,10 +643,11 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7411 is not set
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
-# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
@@ -699,10 +710,12 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_ASIC3 is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
 # CONFIG_TPS65010 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
@@ -711,12 +724,13 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_TC6393XB is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
-# CONFIG_MFD_88PM8607 is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -784,8 +798,6 @@ CONFIG_MMC_SDHCI=y
 # CONFIG_MMC_SDHCI_PLTFM is not set
 CONFIG_MMC_SDHCI_S3C=y
 # CONFIG_MMC_SDHCI_S3C_DMA is not set
-# CONFIG_MMC_AT91 is not set
-# CONFIG_MMC_ATMELMCI is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
@@ -869,6 +881,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set

From 5435009287d092055e3777addc8d36a7b3e1fa29 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 03:18:18 +0100
Subject: [PATCH 2806/3638] ARM: s5p6440_defconfig: Update s5p6440_defconfig to
 v2.6.34

Update the s5p6440_defconfig to the latest kernel version v2.6.34

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5p6440_defconfig | 60 +++++++++++++++++++++---------
 1 file changed, 43 insertions(+), 17 deletions(-)

diff --git a/arch/arm/configs/s5p6440_defconfig b/arch/arm/configs/s5p6440_defconfig
index 279a15e5311..619bfab3ab3 100644
--- a/arch/arm/configs/s5p6440_defconfig
+++ b/arch/arm/configs/s5p6440_defconfig
@@ -1,11 +1,12 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Sat Jan  9 16:33:55 2010
+# Linux kernel version: 2.6.34
+# Sat May 22 03:18:18 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -17,6 +18,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -30,6 +32,12 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 # CONFIG_SYSVIPC is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
@@ -46,7 +54,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -60,6 +67,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 CONFIG_RD_BZIP2=y
 CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -81,10 +89,14 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
 # Kernel Performance Events And Counters
 #
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLUB_DEBUG=y
 CONFIG_COMPAT_BRK=y
@@ -167,6 +179,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
@@ -176,7 +189,6 @@ CONFIG_MMU=y
 # CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -193,44 +205,50 @@ CONFIG_MMU=y
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_S3C64XX is not set
 CONFIG_ARCH_S5P6440=y
+# CONFIG_ARCH_S5P6442 is not set
 # CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_BCMRING is not set
-# CONFIG_ARCH_U8500 is not set
 CONFIG_PLAT_SAMSUNG=y
-CONFIG_SAMSUNG_CLKSRC=y
-CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
-CONFIG_SAMSUNG_IRQ_UART=y
-CONFIG_SAMSUNG_GPIO_EXTRA=0
-CONFIG_PLAT_S3C=y
 
 #
 # Boot options
 #
 CONFIG_S3C_BOOT_ERROR_RESET=y
 CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=1
+CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
+CONFIG_SAMSUNG_IRQ_UART=y
+CONFIG_SAMSUNG_GPIOLIB_4BIT=y
+CONFIG_S3C_GPIO_CFG_S3C24XX=y
+CONFIG_S3C_GPIO_CFG_S3C64XX=y
+CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_SAMSUNG_GPIO_EXTRA=0
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_GPIO_TRACK=y
+# CONFIG_S3C_ADC is not set
 
 #
 # Power management
 #
-CONFIG_S3C_LOWLEVEL_UART_PORT=1
-CONFIG_S3C_GPIO_SPACE=0
-CONFIG_S3C_GPIO_TRACK=y
 CONFIG_PLAT_S5P=y
-CONFIG_CPU_S5P6440_INIT=y
-CONFIG_CPU_S5P6440_CLOCK=y
 CONFIG_CPU_S5P6440=y
 CONFIG_MACH_SMDK6440=y
 
@@ -258,6 +276,7 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_411920 is not set
 CONFIG_ARM_VIC=y
 CONFIG_ARM_VIC_NR=2
@@ -382,6 +401,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -518,12 +538,14 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=3
 # Non-8250 serial port support
 #
 CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_UARTS_4=y
 CONFIG_SERIAL_SAMSUNG_UARTS=4
 # CONFIG_SERIAL_SAMSUNG_DEBUG is not set
 CONFIG_SERIAL_SAMSUNG_CONSOLE=y
-CONFIG_SERIAL_S5P6440=y
+CONFIG_SERIAL_S3C6400=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -549,6 +571,7 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
@@ -704,6 +727,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
@@ -962,8 +986,10 @@ CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
+CONFIG_LZO_DECOMPRESS=y
 CONFIG_DECOMPRESS_GZIP=y
 CONFIG_DECOMPRESS_BZIP2=y
 CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_DMA=y

From ba7f4daeea46424f968f697d2012272f14483707 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 03:18:19 +0100
Subject: [PATCH 2807/3638] ARM: s5p6442_defconfig: Update s5p6442_defconfig to
 v2.6.34

Update the s5p6442_defconfig to the latest kernel version v2.6.34

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5p6442_defconfig | 44 +++++++++++++++++++-----------
 1 file changed, 28 insertions(+), 16 deletions(-)

diff --git a/arch/arm/configs/s5p6442_defconfig b/arch/arm/configs/s5p6442_defconfig
index 74e20bfc048..d7ea27509cf 100644
--- a/arch/arm/configs/s5p6442_defconfig
+++ b/arch/arm/configs/s5p6442_defconfig
@@ -1,11 +1,12 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc4
-# Mon Jan 25 08:50:28 2010
+# Linux kernel version: 2.6.34
+# Sat May 22 03:18:19 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -17,6 +18,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -52,7 +54,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -88,10 +89,14 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
 # Kernel Performance Events And Counters
 #
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLUB_DEBUG=y
 CONFIG_COMPAT_BRK=y
@@ -174,6 +179,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
@@ -183,7 +189,6 @@ CONFIG_MMU=y
 # CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -200,9 +205,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
@@ -210,14 +217,22 @@ CONFIG_MMU=y
 # CONFIG_ARCH_S5P6440 is not set
 CONFIG_ARCH_S5P6442=y
 # CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_BCMRING is not set
-# CONFIG_ARCH_U8500 is not set
 CONFIG_PLAT_SAMSUNG=y
+
+#
+# Boot options
+#
+# CONFIG_S3C_BOOT_ERROR_RESET is not set
+CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=1
 CONFIG_SAMSUNG_CLKSRC=y
 CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
 CONFIG_SAMSUNG_IRQ_UART=y
@@ -226,21 +241,13 @@ CONFIG_S3C_GPIO_CFG_S3C24XX=y
 CONFIG_S3C_GPIO_CFG_S3C64XX=y
 CONFIG_S3C_GPIO_PULL_UPDOWN=y
 CONFIG_SAMSUNG_GPIO_EXTRA=0
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_GPIO_TRACK=y
 # CONFIG_S3C_ADC is not set
 
 #
 # Power management
 #
-CONFIG_PLAT_S3C=y
-
-#
-# Boot options
-#
-# CONFIG_S3C_BOOT_ERROR_RESET is not set
-CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
-CONFIG_S3C_LOWLEVEL_UART_PORT=1
-CONFIG_S3C_GPIO_SPACE=0
-CONFIG_S3C_GPIO_TRACK=y
 CONFIG_PLAT_S5P=y
 CONFIG_CPU_S5P6442=y
 CONFIG_MACH_SMDK6442=y
@@ -269,6 +276,7 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_411920 is not set
 CONFIG_ARM_VIC=y
 CONFIG_ARM_VIC_NR=2
@@ -394,6 +402,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -515,6 +524,7 @@ CONFIG_SERIAL_SAMSUNG_CONSOLE=y
 CONFIG_SERIAL_S5PV210=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -540,6 +550,7 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
@@ -685,6 +696,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set

From 63e3de2f9be62a4436d3837c7add7b63b96d9aa0 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 03:18:21 +0100
Subject: [PATCH 2808/3638] ARM: s5pc110_defconfig: Update s5pc110_defconfig to
 v2.6.34

Update the s5pc110_defconfig to the latest kernel version v2.6.34

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5pc110_defconfig | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/arch/arm/configs/s5pc110_defconfig b/arch/arm/configs/s5pc110_defconfig
index 6ea636131ac..796cb78498c 100644
--- a/arch/arm/configs/s5pc110_defconfig
+++ b/arch/arm/configs/s5pc110_defconfig
@@ -1,11 +1,12 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc4
-# Wed Feb 24 15:36:54 2010
+# Linux kernel version: 2.6.34
+# Sat May 22 03:18:21 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -17,6 +18,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_ARM_L1_CACHE_SHIFT_6=y
 CONFIG_VECTORS_BASE=0xffff0000
@@ -54,7 +56,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -90,10 +91,14 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
 # Kernel Performance Events And Counters
 #
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLUB_DEBUG=y
 CONFIG_COMPAT_BRK=y
@@ -176,6 +181,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
@@ -185,7 +191,6 @@ CONFIG_MMU=y
 # CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -202,9 +207,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
@@ -216,10 +223,10 @@ CONFIG_ARCH_S5PV210=y
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_BCMRING is not set
-# CONFIG_ARCH_U8500 is not set
 CONFIG_PLAT_SAMSUNG=y
 
 #
@@ -274,6 +281,7 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_HAS_TLS_REG=y
 CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_430973 is not set
 # CONFIG_ARM_ERRATA_458693 is not set
 # CONFIG_ARM_ERRATA_460075 is not set
@@ -404,6 +412,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -526,6 +535,7 @@ CONFIG_SERIAL_SAMSUNG_CONSOLE=y
 CONFIG_SERIAL_S5PV210=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -551,6 +561,7 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
@@ -696,6 +707,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set

From 2621a181fd822c0c9cf3eb8b757aeed58e0d30ee Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 03:18:22 +0100
Subject: [PATCH 2809/3638] ARM: s5pv210_defconfig: Update s5pv210_defconfig to
 v2.6.34

Update the s5pv210_defconfig to the latest kernel version v2.6.34

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5pv210_defconfig | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/arch/arm/configs/s5pv210_defconfig b/arch/arm/configs/s5pv210_defconfig
index 3f7d47491b5..6831dab97d9 100644
--- a/arch/arm/configs/s5pv210_defconfig
+++ b/arch/arm/configs/s5pv210_defconfig
@@ -1,11 +1,12 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc4
-# Wed Feb 24 15:36:16 2010
+# Linux kernel version: 2.6.34
+# Sat May 22 03:18:22 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -17,6 +18,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_ARM_L1_CACHE_SHIFT_6=y
 CONFIG_VECTORS_BASE=0xffff0000
@@ -54,7 +56,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -90,10 +91,14 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
 # Kernel Performance Events And Counters
 #
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLUB_DEBUG=y
 CONFIG_COMPAT_BRK=y
@@ -176,6 +181,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
@@ -185,7 +191,6 @@ CONFIG_MMU=y
 # CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -202,9 +207,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
@@ -216,10 +223,10 @@ CONFIG_ARCH_S5PV210=y
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_BCMRING is not set
-# CONFIG_ARCH_U8500 is not set
 CONFIG_PLAT_SAMSUNG=y
 
 #
@@ -274,6 +281,7 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_HAS_TLS_REG=y
 CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_430973 is not set
 # CONFIG_ARM_ERRATA_458693 is not set
 # CONFIG_ARM_ERRATA_460075 is not set
@@ -404,6 +412,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -526,6 +535,7 @@ CONFIG_SERIAL_SAMSUNG_CONSOLE=y
 CONFIG_SERIAL_S5PV210=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -551,6 +561,7 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
@@ -696,6 +707,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set

From 13aa16b9ccf4ff5eff3886df3cb0a071dbc73cfc Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 02:47:27 +0100
Subject: [PATCH 2810/3638] ARM: s3c6400_defconfig: enable power management

Enable power management in the default build

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index 46781305e71..f3509379e68 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -169,7 +169,7 @@ CONFIG_DEFAULT_IOSCHED="cfq"
 # CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
 # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
 # CONFIG_MUTEX_SPIN_ON_OWNER is not set
-# CONFIG_FREEZER is not set
+CONFIG_FREEZER=y
 
 #
 # System Type
@@ -256,6 +256,9 @@ CONFIG_S3C_DEV_NAND=y
 #
 # Power management
 #
+# CONFIG_SAMSUNG_PM_DEBUG is not set
+# CONFIG_S3C_PM_DEBUG_LED_SMDK is not set
+# CONFIG_SAMSUNG_PM_CHECK is not set
 CONFIG_PLAT_S3C64XX=y
 CONFIG_CPU_S3C6410=y
 # CONFIG_S3C64XX_DMA is not set
@@ -380,7 +383,14 @@ CONFIG_HAVE_AOUT=y
 #
 # Power management options
 #
-# CONFIG_PM is not set
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_APM_EMULATION is not set
+# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_OPS=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 # CONFIG_NET is not set
 

From 443aa17ed8366e98e5473875d8a0ea1eeeb766ed Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 02:51:40 +0100
Subject: [PATCH 2811/3638] ARM: s3c6400_defconfig: enable sound as modules

Add the ASoC/ALSA configuration for s3c6400_defconfig as modules

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 43 ++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index f3509379e68..c15b9904c4a 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -252,6 +252,7 @@ CONFIG_S3C_DEV_FB=y
 CONFIG_S3C_DEV_USB_HOST=y
 CONFIG_S3C_DEV_USB_HSOTG=y
 CONFIG_S3C_DEV_NAND=y
+CONFIG_S3C_DMA=y
 
 #
 # Power management
@@ -261,7 +262,7 @@ CONFIG_S3C_DEV_NAND=y
 # CONFIG_SAMSUNG_PM_CHECK is not set
 CONFIG_PLAT_S3C64XX=y
 CONFIG_CPU_S3C6410=y
-# CONFIG_S3C64XX_DMA is not set
+CONFIG_S3C64XX_DMA=y
 CONFIG_S3C64XX_SETUP_SDHCI=y
 CONFIG_S3C64XX_SETUP_I2C0=y
 CONFIG_S3C64XX_SETUP_I2C1=y
@@ -726,6 +727,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_HTC_I2CPLD is not set
+# CONFIG_UCB1400_CORE is not set
 # CONFIG_TPS65010 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
@@ -762,7 +764,44 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
-# CONFIG_SOUND is not set
+CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
+CONFIG_SND=m
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+CONFIG_SND_JACK=y
+# CONFIG_SND_SEQUENCER is not set
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
+CONFIG_SND_DRIVERS=y
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+CONFIG_SND_ARM=y
+CONFIG_SND_SOC=m
+CONFIG_SND_SOC_AC97_BUS=y
+CONFIG_SND_S3C24XX_SOC=m
+CONFIG_SND_S3C_SOC_AC97=m
+CONFIG_SND_SOC_SMDK_WM9713=m
+CONFIG_SND_SOC_I2C_AND_SPI=m
+# CONFIG_SND_SOC_ALL_CODECS is not set
+CONFIG_SND_SOC_WM9713=m
+# CONFIG_SOUND_PRIME is not set
+CONFIG_AC97_BUS=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HIDRAW is not set

From d01cd639c96cd683a22432afd4c39ea690c87f16 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sat, 22 May 2010 02:57:08 +0100
Subject: [PATCH 2812/3638] ARM: s3c6400_defconfig: Add NAND driver

Add the NAND driver to the list of inbuilt devices.

Signed-of-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 84 +++++++++++++++++++++++++++++-
 1 file changed, 83 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index c15b9904c4a..a3a9993e5cd 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -412,7 +412,88 @@ CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
 # CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
-# CONFIG_MTD is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_CONCAT is not set
+# CONFIG_MTD_PARTITIONS is not set
+
+#
+# User Modules And Translation Layers
+#
+# CONFIG_MTD_CHAR is not set
+# CONFIG_MTD_BLKDEVS is not set
+# CONFIG_MTD_BLOCK is not set
+# CONFIG_MTD_BLOCK_RO is not set
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+# CONFIG_MTD_NAND_GPIO is not set
+CONFIG_MTD_NAND_IDS=y
+CONFIG_MTD_NAND_S3C2410=y
+# CONFIG_MTD_NAND_S3C2410_DEBUG is not set
+# CONFIG_MTD_NAND_S3C2410_HWECC is not set
+# CONFIG_MTD_NAND_S3C2410_CLKSTOP is not set
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
 # CONFIG_PARPORT is not set
 CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
@@ -930,6 +1011,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_JFFS2_FS is not set
 # CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set

From a5c4300389bb33ade2515c082709217f0614cf15 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 20:02:06 +0000
Subject: [PATCH 2813/3638] arch/sh/lib/strlen.S: Checkpatch cleanup

arch/sh/lib/strlen.S:38: ERROR: trailing whitespace

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/lib/strlen.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/lib/strlen.S b/arch/sh/lib/strlen.S
index f8ab296047b..1bcc13f0596 100644
--- a/arch/sh/lib/strlen.S
+++ b/arch/sh/lib/strlen.S
@@ -35,7 +35,7 @@ ENTRY(strlen)
 	mov.b	@r4+,r1
 	tst	r1,r1
 	bt	8f
-	add	#1,r2	
+	add	#1,r2
 
 1:
 	mov	#0,r3

From 41ec7ebee14189a0424176279c227168960c28ad Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 24 May 2010 08:33:53 +0900
Subject: [PATCH 2814/3638] sh: fix up sh7785lcr_32bit_defconfig.

The build scripts inadvertently dropped this down to 29-bit, fix it
back up.

Reported-by: Raul Porcel <armin76@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/configs/sh7785lcr_32bit_defconfig | 273 +++++++++++++---------
 1 file changed, 164 insertions(+), 109 deletions(-)

diff --git a/arch/sh/configs/sh7785lcr_32bit_defconfig b/arch/sh/configs/sh7785lcr_32bit_defconfig
index e9af616b216..71f39c71b04 100644
--- a/arch/sh/configs/sh7785lcr_32bit_defconfig
+++ b/arch/sh/configs/sh7785lcr_32bit_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.34-rc5
-# Tue May 18 17:22:09 2010
+# Linux kernel version: 2.6.34
+# Mon May 24 08:33:02 2010
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -76,7 +76,7 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=14
+CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
@@ -111,18 +111,17 @@ CONFIG_PERF_USE_VMALLOC=y
 #
 CONFIG_PERF_EVENTS=y
 CONFIG_PERF_COUNTERS=y
+# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_PCI_QUIRKS=y
-CONFIG_COMPAT_BRK=y
+# CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_PROFILING=y
-CONFIG_TRACEPOINTS=y
-CONFIG_OPROFILE=y
+# CONFIG_OPROFILE is not set
 CONFIG_HAVE_OPROFILE=y
-CONFIG_KPROBES=y
-CONFIG_KRETPROBES=y
+# CONFIG_KPROBES is not set
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_ARCH_TRACEHOOK=y
@@ -130,6 +129,7 @@ CONFIG_HAVE_DMA_ATTRS=y
 CONFIG_HAVE_CLK=y
 CONFIG_HAVE_DMA_API_DEBUG=y
 CONFIG_HAVE_HW_BREAKPOINT=y
+CONFIG_HAVE_MIXED_BREAKPOINTS_REGS=y
 
 #
 # GCOV-based kernel profiling
@@ -243,8 +243,9 @@ CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_FORCE_MAX_ZONEORDER=11
 CONFIG_MEMORY_START=0x40000000
 CONFIG_MEMORY_SIZE=0x20000000
-CONFIG_29BIT=y
-# CONFIG_PMB is not set
+# CONFIG_29BIT is not set
+CONFIG_32BIT=y
+CONFIG_PMB=y
 CONFIG_X2TLB=y
 CONFIG_VSYSCALL=y
 # CONFIG_NUMA is not set
@@ -262,9 +263,9 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
-CONFIG_HUGETLB_PAGE_SIZE_64K=y
+# CONFIG_HUGETLB_PAGE_SIZE_64K is not set
 # CONFIG_HUGETLB_PAGE_SIZE_256K is not set
-# CONFIG_HUGETLB_PAGE_SIZE_1MB is not set
+CONFIG_HUGETLB_PAGE_SIZE_1MB=y
 # CONFIG_HUGETLB_PAGE_SIZE_4MB is not set
 # CONFIG_HUGETLB_PAGE_SIZE_64MB is not set
 # CONFIG_HUGETLB_PAGE_SIZE_512MB is not set
@@ -276,7 +277,7 @@ CONFIG_SPARSEMEM=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_STATIC=y
 # CONFIG_MEMORY_HOTPLUG is not set
-CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_SPLIT_PTLOCK_CPUS=999999
 CONFIG_MIGRATION=y
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
@@ -298,7 +299,7 @@ CONFIG_CPU_LITTLE_ENDIAN=y
 # CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_SH_FPU=y
 CONFIG_SH_STORE_QUEUES=y
-# CONFIG_SPECULATIVE_EXECUTION is not set
+CONFIG_SPECULATIVE_EXECUTION=y
 CONFIG_CPU_HAS_INTEVT=y
 CONFIG_CPU_HAS_SR_RB=y
 CONFIG_CPU_HAS_FPU=y
@@ -308,7 +309,7 @@ CONFIG_CPU_HAS_FPU=y
 #
 # CONFIG_SH_HIGHLANDER is not set
 CONFIG_SH_SH7785LCR=y
-CONFIG_SH_SH7785LCR_29BIT_PHYSMAPS=y
+# CONFIG_SH_SH7785LCR_PT is not set
 
 #
 # Timer and clock configuration
@@ -371,7 +372,7 @@ CONFIG_SECCOMP=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
 CONFIG_GUSA=y
-# CONFIG_INTC_USERIMASK is not set
+CONFIG_INTC_USERIMASK=y
 
 #
 # Boot options
@@ -389,6 +390,7 @@ CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
 # CONFIG_PCIEPORTBUS is not set
 # CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_PCI_DEBUG=y
 # CONFIG_PCI_STUB is not set
 # CONFIG_PCI_IOV is not set
 # CONFIG_PCCARD is not set
@@ -465,6 +467,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
+# CONFIG_L2TP is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
@@ -485,8 +488,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
-# CONFIG_NET_TCPPROBE is not set
-# CONFIG_NET_DROP_MONITOR is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_CAN is not set
 # CONFIG_IRDA is not set
@@ -499,10 +500,19 @@ CONFIG_WIRELESS=y
 #
 # CFG80211 needs to be enabled for MAC80211
 #
+
+#
+# Some wireless drivers require a rate control algorithm
+#
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
+#
+# CAIF Support
+#
+# CONFIG_CAIF is not set
+
 #
 # Device Drivers
 #
@@ -514,7 +524,11 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
-# CONFIG_FW_LOADER is not set
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
@@ -537,6 +551,7 @@ CONFIG_MTD_BLOCK=y
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
 # CONFIG_SSFDC is not set
+# CONFIG_SM_FTL is not set
 # CONFIG_MTD_OOPS is not set
 
 #
@@ -668,7 +683,9 @@ CONFIG_ATA=y
 CONFIG_ATA_VERBOSE_ERROR=y
 CONFIG_SATA_PMP=y
 # CONFIG_SATA_AHCI is not set
+# CONFIG_SATA_AHCI_PLATFORM is not set
 # CONFIG_SATA_SIL24 is not set
+# CONFIG_SATA_INIC162X is not set
 CONFIG_ATA_SFF=y
 # CONFIG_SATA_SVW is not set
 # CONFIG_ATA_PIIX is not set
@@ -683,7 +700,6 @@ CONFIG_SATA_SIL=y
 # CONFIG_SATA_ULI is not set
 # CONFIG_SATA_VIA is not set
 # CONFIG_SATA_VITESSE is not set
-# CONFIG_SATA_INIC162X is not set
 # CONFIG_PATA_ALI is not set
 # CONFIG_PATA_AMD is not set
 # CONFIG_PATA_ARTOP is not set
@@ -753,8 +769,36 @@ CONFIG_NETDEVICES=y
 # CONFIG_TUN is not set
 # CONFIG_VETH is not set
 # CONFIG_ARCNET is not set
-# CONFIG_NET_ETHERNET is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_STNIC is not set
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+CONFIG_NET_VENDOR_3COM=y
+CONFIG_VORTEX=y
+# CONFIG_TYPHOON is not set
+# CONFIG_SMC91X is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_NET_PCI is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
@@ -836,6 +880,7 @@ CONFIG_INPUT_KEYBOARD=y
 CONFIG_KEYBOARD_ATKBD=y
 # CONFIG_QT2160 is not set
 # CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_TCA6416 is not set
 # CONFIG_KEYBOARD_MAX7359 is not set
 # CONFIG_KEYBOARD_NEWTON is not set
 # CONFIG_KEYBOARD_OPENCORES is not set
@@ -884,6 +929,7 @@ CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
 # CONFIG_DEVKMEM is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_N_GSM is not set
 # CONFIG_NOZOMI is not set
 
 #
@@ -901,6 +947,8 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
 # CONFIG_SERIAL_TIMBERDALE is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
 # CONFIG_LEGACY_PTYS is not set
@@ -1071,7 +1119,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_SIS is not set
 # CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
-# CONFIG_FB_KYRO is not set
+CONFIG_FB_KYRO=y
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
 # CONFIG_FB_VT8623 is not set
@@ -1097,15 +1145,15 @@ CONFIG_FB_SM501=y
 #
 CONFIG_DUMMY_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
-# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
 # CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
 # CONFIG_FONTS is not set
 CONFIG_FONT_8x8=y
 CONFIG_FONT_8x16=y
 CONFIG_LOGO=y
-# CONFIG_LOGO_LINUX_MONO is not set
-# CONFIG_LOGO_LINUX_VGA16 is not set
-# CONFIG_LOGO_LINUX_CLUT224 is not set
+CONFIG_LOGO_LINUX_MONO=y
+CONFIG_LOGO_LINUX_VGA16=y
+CONFIG_LOGO_LINUX_CLUT224=y
 CONFIG_LOGO_SUPERH_MONO=y
 CONFIG_LOGO_SUPERH_VGA16=y
 CONFIG_LOGO_SUPERH_CLUT224=y
@@ -1129,15 +1177,18 @@ CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
 CONFIG_SND_DYNAMIC_MINORS=y
 # CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
-# CONFIG_SND_VERBOSE_PRINTK is not set
-# CONFIG_SND_DEBUG is not set
+CONFIG_SND_VERBOSE_PRINTK=y
+CONFIG_SND_DEBUG=y
+CONFIG_SND_DEBUG_VERBOSE=y
+CONFIG_SND_VMASTER=y
 CONFIG_SND_RAWMIDI_SEQ=y
 CONFIG_SND_OPL3_LIB_SEQ=y
 # CONFIG_SND_OPL4_LIB_SEQ is not set
 # CONFIG_SND_SBAWE_SEQ is not set
-# CONFIG_SND_EMU10K1_SEQ is not set
+CONFIG_SND_EMU10K1_SEQ=y
 CONFIG_SND_MPU401_UART=y
 CONFIG_SND_OPL3_LIB=y
+CONFIG_SND_AC97_CODEC=y
 # CONFIG_SND_DRIVERS is not set
 CONFIG_SND_PCI=y
 # CONFIG_SND_AD1889 is not set
@@ -1172,7 +1223,7 @@ CONFIG_SND_CMIPCI=y
 # CONFIG_SND_INDIGODJ is not set
 # CONFIG_SND_INDIGOIOX is not set
 # CONFIG_SND_INDIGODJX is not set
-# CONFIG_SND_EMU10K1 is not set
+CONFIG_SND_EMU10K1=y
 # CONFIG_SND_EMU10K1X is not set
 # CONFIG_SND_ENS1370 is not set
 # CONFIG_SND_ENS1371 is not set
@@ -1211,6 +1262,7 @@ CONFIG_SND_USB=y
 # CONFIG_SND_USB_CAIAQ is not set
 # CONFIG_SND_SOC is not set
 # CONFIG_SOUND_PRIME is not set
+CONFIG_AC97_BUS=y
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HIDRAW is not set
@@ -1226,44 +1278,42 @@ CONFIG_USB_HID=y
 # Special HID drivers
 #
 # CONFIG_HID_3M_PCT is not set
-CONFIG_HID_A4TECH=m
-CONFIG_HID_APPLE=m
-CONFIG_HID_BELKIN=m
-CONFIG_HID_CHERRY=m
-CONFIG_HID_CHICONY=m
-CONFIG_HID_CYPRESS=m
-CONFIG_HID_DRAGONRISE=m
-# CONFIG_DRAGONRISE_FF is not set
-CONFIG_HID_EZKEY=m
-CONFIG_HID_KYE=m
-CONFIG_HID_GYRATION=m
-CONFIG_HID_TWINHAN=m
-CONFIG_HID_KENSINGTON=m
-CONFIG_HID_LOGITECH=m
-# CONFIG_LOGITECH_FF is not set
-# CONFIG_LOGIRUMBLEPAD2_FF is not set
-# CONFIG_LOGIG940_FF is not set
-CONFIG_HID_MICROSOFT=m
+# CONFIG_HID_A4TECH is not set
+# CONFIG_HID_APPLE is not set
+# CONFIG_HID_BELKIN is not set
+# CONFIG_HID_CANDO is not set
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
+# CONFIG_HID_PRODIKEYS is not set
+# CONFIG_HID_CYPRESS is not set
+# CONFIG_HID_DRAGONRISE is not set
+# CONFIG_HID_EGALAX is not set
+# CONFIG_HID_EZKEY is not set
+# CONFIG_HID_KYE is not set
+# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_TWINHAN is not set
+# CONFIG_HID_KENSINGTON is not set
+# CONFIG_HID_LOGITECH is not set
+# CONFIG_HID_MICROSOFT is not set
 # CONFIG_HID_MOSART is not set
-CONFIG_HID_MONTEREY=m
-CONFIG_HID_NTRIG=m
+# CONFIG_HID_MONTEREY is not set
+# CONFIG_HID_NTRIG is not set
 # CONFIG_HID_ORTEK is not set
-CONFIG_HID_PANTHERLORD=m
-# CONFIG_PANTHERLORD_FF is not set
-CONFIG_HID_PETALYNX=m
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_PICOLCD is not set
 # CONFIG_HID_QUANTA is not set
-CONFIG_HID_SAMSUNG=m
-CONFIG_HID_SONY=m
+# CONFIG_HID_ROCCAT_KONE is not set
+# CONFIG_HID_SAMSUNG is not set
+# CONFIG_HID_SONY is not set
 # CONFIG_HID_STANTUM is not set
-CONFIG_HID_SUNPLUS=m
-CONFIG_HID_GREENASIA=m
-# CONFIG_GREENASIA_FF is not set
-CONFIG_HID_SMARTJOYPLUS=m
-# CONFIG_SMARTJOYPLUS_FF is not set
-CONFIG_HID_TOPSEED=m
+# CONFIG_HID_SUNPLUS is not set
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
 # CONFIG_HID_THRUSTMASTER is not set
-CONFIG_HID_ZEROPLUS=m
-# CONFIG_ZEROPLUS_FF is not set
+# CONFIG_HID_ZEROPLUS is not set
+# CONFIG_HID_ZYDACRON is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1276,9 +1326,8 @@ CONFIG_USB=y
 # Miscellaneous USB options
 #
 # CONFIG_USB_DEVICEFS is not set
-CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DEVICE_CLASS is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 # CONFIG_USB_MON is not set
@@ -1290,9 +1339,7 @@ CONFIG_USB_DEVICE_CLASS=y
 #
 # CONFIG_USB_C67X00_HCD is not set
 # CONFIG_USB_XHCI_HCD is not set
-CONFIG_USB_EHCI_HCD=m
-# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
-# CONFIG_USB_EHCI_TT_NEWSCHED is not set
+# CONFIG_USB_EHCI_HCD is not set
 # CONFIG_USB_OXU210HP_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
 # CONFIG_USB_ISP1760_HCD is not set
@@ -1361,7 +1408,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_IDMOUSE is not set
 # CONFIG_USB_FTDI_ELAN is not set
 # CONFIG_USB_APPLEDISPLAY is not set
-# CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_LD is not set
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
@@ -1464,6 +1510,7 @@ CONFIG_DMADEVICES=y
 #
 # DMA Devices
 #
+# CONFIG_TIMB_DMA is not set
 # CONFIG_AUXDISPLAY is not set
 CONFIG_UIO=m
 # CONFIG_UIO_CIF is not set
@@ -1473,10 +1520,6 @@ CONFIG_UIO=m
 # CONFIG_UIO_SERCOS3 is not set
 # CONFIG_UIO_PCI_GENERIC is not set
 # CONFIG_UIO_NETX is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -1653,63 +1696,75 @@ CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
-# CONFIG_DEBUG_KERNEL is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 CONFIG_SCHEDSTATS=y
-CONFIG_TRACE_IRQFLAGS=y
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_KMEMLEAK=y
+CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=400
+# CONFIG_DEBUG_KMEMLEAK_TEST is not set
+CONFIG_DEBUG_PREEMPT=y
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+CONFIG_DEBUG_SPINLOCK_SLEEP=y
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 CONFIG_STACKTRACE=y
+# CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 CONFIG_FRAME_POINTER=y
+# CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_LKDTM is not set
+# CONFIG_FAULT_INJECTION is not set
 CONFIG_LATENCYTOP=y
 CONFIG_SYSCTL_SYSCALL_CHECK=y
-CONFIG_NOP_TRACER=y
-CONFIG_HAVE_FTRACE_NMI_ENTER=y
+# CONFIG_PAGE_POISONING is not set
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
 CONFIG_HAVE_DYNAMIC_FTRACE=y
 CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
 CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
-CONFIG_TRACER_MAX_TRACE=y
-CONFIG_RING_BUFFER=y
-CONFIG_FTRACE_NMI_ENTER=y
-CONFIG_EVENT_TRACING=y
-CONFIG_CONTEXT_SWITCH_TRACER=y
-CONFIG_RING_BUFFER_ALLOW_SWAP=y
-CONFIG_TRACING=y
-CONFIG_GENERIC_TRACER=y
 CONFIG_TRACING_SUPPORT=y
-CONFIG_FTRACE=y
-CONFIG_FUNCTION_TRACER=y
-CONFIG_FUNCTION_GRAPH_TRACER=y
-CONFIG_IRQSOFF_TRACER=y
-# CONFIG_PREEMPT_TRACER is not set
-CONFIG_SCHED_TRACER=y
-# CONFIG_FTRACE_SYSCALLS is not set
-# CONFIG_BOOT_TRACER is not set
-CONFIG_BRANCH_PROFILE_NONE=y
-# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
-# CONFIG_PROFILE_ALL_BRANCHES is not set
-# CONFIG_KSYM_TRACER is not set
-CONFIG_STACK_TRACER=y
-CONFIG_KMEMTRACE=y
-CONFIG_WORKQUEUE_TRACER=y
-# CONFIG_BLK_DEV_IO_TRACE is not set
-CONFIG_DYNAMIC_FTRACE=y
-# CONFIG_FUNCTION_PROFILER is not set
-CONFIG_FTRACE_MCOUNT_RECORD=y
-# CONFIG_FTRACE_STARTUP_TEST is not set
-# CONFIG_RING_BUFFER_BENCHMARK is not set
+# CONFIG_FTRACE is not set
 # CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
 # CONFIG_SH_STANDARD_BIOS is not set
-CONFIG_DWARF_UNWINDER=y
-CONFIG_MCOUNT=y
+# CONFIG_STACK_DEBUG is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_4KSTACKS is not set
+CONFIG_DUMP_CODE=y
+# CONFIG_DWARF_UNWINDER is not set
+# CONFIG_SH_NO_BSS_INIT is not set
 
 #
 # Security options
@@ -1820,7 +1875,7 @@ CONFIG_CRYPTO_DES=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
 # CONFIG_VIRTUALIZATION is not set
-CONFIG_BINARY_PRINTF=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines

From 10b06122afcc78468bd1d009633cb71e528acdc5 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Fri, 21 May 2010 18:48:54 +0200
Subject: [PATCH 2815/3638] drm/radeon/kms: release AGP bridge at suspend

I think it's good to release the AGP bridge at suspend
and reacquire it at resume. Also fix :
https://bugzilla.kernel.org/show_bug.cgi?id=15969

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon.h        | 1 +
 drivers/gpu/drm/radeon/radeon_agp.c    | 5 +++++
 drivers/gpu/drm/radeon/radeon_device.c | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 66a37fb7583..669feb689bf 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -576,6 +576,7 @@ typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
  */
 int radeon_agp_init(struct radeon_device *rdev);
 void radeon_agp_resume(struct radeon_device *rdev);
+void radeon_agp_suspend(struct radeon_device *rdev);
 void radeon_agp_fini(struct radeon_device *rdev);
 
 
diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
index 28e473f1f56..f40dfb77f9b 100644
--- a/drivers/gpu/drm/radeon/radeon_agp.c
+++ b/drivers/gpu/drm/radeon/radeon_agp.c
@@ -270,3 +270,8 @@ void radeon_agp_fini(struct radeon_device *rdev)
 	}
 #endif
 }
+
+void radeon_agp_suspend(struct radeon_device *rdev)
+{
+	radeon_agp_fini(rdev);
+}
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index a20b612ffe7..fdc3fdf78ac 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -754,6 +754,8 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
 	/* evict remaining vram memory */
 	radeon_bo_evict_vram(rdev);
 
+	radeon_agp_suspend(rdev);
+
 	pci_save_state(dev->pdev);
 	if (state.event == PM_EVENT_SUSPEND) {
 		/* Shut down the device */

From 579766020d2eee2f1c51af1641ef9a7dbc6a5798 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Sun, 23 May 2010 17:00:40 -0700
Subject: [PATCH 2816/3638] nouveau: fix acpi_lid_open undefined

When CONFIG_ACPI_BUTTON=m (and probably when ACPI_BUTTON is not enabled)
and NOUVEAU is built-in (not as a loadable module):

nouveau_connector.c:(.text+0xe17ce): undefined reference to `acpi_lid_open'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_connector.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 7e663a79829..266b0ff441a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -241,7 +241,8 @@ nouveau_connector_detect(struct drm_connector *connector)
 	if (nv_encoder && nv_connector->native_mode) {
 		unsigned status = connector_status_connected;
 
-#ifdef CONFIG_ACPI
+#if defined(CONFIG_ACPI_BUTTON) || \
+	(defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
 		if (!nouveau_ignorelid && !acpi_lid_open())
 			status = connector_status_unknown;
 #endif

From f49d273df9087d92e20c485fe9f8355d4f55b933 Mon Sep 17 00:00:00 2001
From: Prarit Bhargava <prarit@redhat.com>
Date: Mon, 24 May 2010 10:24:07 +1000
Subject: [PATCH 2817/3638] drm: Fixes linux-next & linux-2.6 checkstack
 warnings:

drivers/gpu/drm/nouveau/nv40_graph.c: In function `nv40_graph_init':
drivers/gpu/drm/nouveau/nv40_graph.c:400: warning: the frame size of 1184 bytes is larger than 1024 bytes
drivers/gpu/drm/radeon/radeon_atombios.c: In function `radeon_get_atom_connector_info_from_supported_devices_table':
drivers/gpu/drm/radeon/radeon_atombios.c:857: warning: the frame size of 1872 bytes is larger than 1024 bytes

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/nouveau/nv40_graph.c     |  8 +++++++-
 drivers/gpu/drm/radeon/radeon_atombios.c | 13 +++++++++++--
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv40_graph.c b/drivers/gpu/drm/nouveau/nv40_graph.c
index 0616c96e4b6..704a25d04ac 100644
--- a/drivers/gpu/drm/nouveau/nv40_graph.c
+++ b/drivers/gpu/drm/nouveau/nv40_graph.c
@@ -253,7 +253,11 @@ nv40_graph_init(struct drm_device *dev)
 
 	if (!dev_priv->engine.graph.ctxprog) {
 		struct nouveau_grctx ctx = {};
-		uint32_t cp[256];
+		uint32_t *cp;
+
+		cp = kmalloc(sizeof(*cp) * 256, GFP_KERNEL);
+		if (!cp)
+			return -ENOMEM;
 
 		ctx.dev = dev;
 		ctx.mode = NOUVEAU_GRCTX_PROG;
@@ -265,6 +269,8 @@ nv40_graph_init(struct drm_device *dev)
 		nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
 		for (i = 0; i < ctx.ctxprog_len; i++)
 			nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
+
+		kfree(cp);
 	}
 
 	/* No context present currently */
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 6e733fdc334..24ea683f7cf 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -680,11 +680,19 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 	uint8_t dac;
 	union atom_supported_devices *supported_devices;
 	int i, j, max_device;
-	struct bios_connector bios_connectors[ATOM_MAX_SUPPORTED_DEVICE];
+	struct bios_connector *bios_connectors;
+	size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
 
-	if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
+	bios_connectors = kzalloc(bc_size, GFP_KERNEL);
+	if (!bios_connectors)
 		return false;
 
+	if (!atom_parse_data_header(ctx, index, &size, &frev, &crev,
+				    &data_offset)) {
+		kfree(bios_connectors);
+		return false;
+	}
+
 	supported_devices =
 	    (union atom_supported_devices *)(ctx->bios + data_offset);
 
@@ -851,6 +859,7 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 
 	radeon_link_encoder_connector(dev);
 
+	kfree(bios_connectors);
 	return true;
 }
 

From 44bf460649a9b91f291176097e9d7e846e8c001e Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sun, 23 May 2010 19:12:25 -0300
Subject: [PATCH 2818/3638] perf annotate: Fix up usage of the build id cache
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It was assuming that the cache was always available and also wasn't
checking if the file found in the build id cache was just a kallsyms
file, that is not supported by objdump for disassembly.

Reported-by: Ingo Molnar <mingo@elte.hu>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/hist.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 682a6d88862..cbf7eae2ce0 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -990,6 +990,7 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 	struct map *map = self->ms.map;
 	struct dso *dso = map->dso;
 	char *filename = dso__build_id_filename(dso, NULL, 0);
+	bool free_filename = true;
 	char command[PATH_MAX * 2];
 	FILE *file;
 	int err = 0;
@@ -1001,11 +1002,19 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 			       sym->name);
 			return -ENOMEM;
 		}
+		goto fallback;
+	} else if (readlink(filename, command, sizeof(command)) < 0 ||
+		   strstr(command, "[kernel.kallsyms]") ||
+		   access(filename, R_OK)) {
+		free(filename);
+fallback:
 		/*
-		 * If we don't have build-ids, well, lets hope that this
+		 * If we don't have build-ids or the build-id file isn't in the
+		 * cache, or is just a kallsyms file, well, lets hope that this
 		 * DSO is the same as when 'perf record' ran.
 		 */
 		filename = dso->long_name;
+		free_filename = false;
 	}
 
 	if (dso->origin == DSO__ORIG_KERNEL) {
@@ -1045,7 +1054,7 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 
 	pclose(file);
 out_free_filename:
-	if (dso->has_build_id)
+	if (free_filename)
 		free(filename);
 	return err;
 }

From d67f088e084755bdceb4f15bc6e05e309db1eea7 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sun, 23 May 2010 22:36:51 -0300
Subject: [PATCH 2819/3638] perf report: Support multiple events on the TUI
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The hists__tty_browse_tree function was created with the loop to print
all events, and its equivalent, hists__tui_browse_tree, was created in a
similar fashion, where it is possible to switch among the multiple
events, if present, using TAB to go the next event, and shift+TAB
(UNTAB) to go to the previous.

The report TUI now shows as the window title the name of the event and a
leak was fixed wrt pstacks.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-report.c | 60 +++++++++++++++++------------
 tools/perf/util/hist.h      | 14 ++++++-
 tools/perf/util/newt.c      | 76 +++++++++++++++++++++++++++++--------
 3 files changed, 109 insertions(+), 41 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index a7b8760e401..35920578296 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -288,6 +288,38 @@ static size_t hists__fprintf_nr_sample_events(struct hists *self,
 	return ret + fprintf(fp, "\n#\n");
 }
 
+static int hists__tty_browse_tree(struct rb_root *tree, const char *help)
+{
+	struct rb_node *next = rb_first(tree);
+
+	while (next) {
+		struct hists *hists = rb_entry(next, struct hists, rb_node);
+		const char *evname = NULL;
+
+		if (rb_first(&hists->entries) != rb_last(&hists->entries))
+			evname = __event_name(hists->type, hists->config);
+
+		hists__fprintf_nr_sample_events(hists, evname, stdout);
+		hists__fprintf(hists, NULL, false, stdout);
+		fprintf(stdout, "\n\n");
+		next = rb_next(&hists->rb_node);
+	}
+
+	if (sort_order == default_sort_order &&
+	    parent_pattern == default_parent_pattern) {
+		fprintf(stdout, "#\n# (%s)\n#\n", help);
+
+		if (show_threads) {
+			bool style = !strcmp(pretty_printing_style, "raw");
+			perf_read_values_display(stdout, &show_threads_values,
+						 style);
+			perf_read_values_destroy(&show_threads_values);
+		}
+	}
+
+	return 0;
+}
+
 static int __cmd_report(void)
 {
 	int ret = -EINVAL;
@@ -330,34 +362,14 @@ static int __cmd_report(void)
 		hists = rb_entry(next, struct hists, rb_node);
 		hists__collapse_resort(hists);
 		hists__output_resort(hists);
-		if (use_browser > 0)
-			hists__browse(hists, help, input_name);
-		else {
-			const char *evname = NULL;
-			if (rb_first(&session->hists.entries) !=
-			    rb_last(&session->hists.entries))
-				evname = __event_name(hists->type, hists->config);
-
-			hists__fprintf_nr_sample_events(hists, evname, stdout);
-
-			hists__fprintf(hists, NULL, false, stdout);
-			fprintf(stdout, "\n\n");
-		}
-
 		next = rb_next(&hists->rb_node);
 	}
 
-	if (use_browser <= 0 && sort_order == default_sort_order &&
-	    parent_pattern == default_parent_pattern) {
-		fprintf(stdout, "#\n# (%s)\n#\n", help);
+	if (use_browser > 0)
+		hists__tui_browse_tree(&session->hists_tree, help);
+	else
+		hists__tty_browse_tree(&session->hists_tree, help);
 
-		if (show_threads) {
-			bool style = !strcmp(pretty_printing_style, "raw");
-			perf_read_values_display(stdout, &show_threads_values,
-						 style);
-			perf_read_values_destroy(&show_threads_values);
-		}
-	}
 out_delete:
 	perf_session__delete(session);
 	return ret;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 2d5203fedb2..83fa33a7b38 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -98,10 +98,17 @@ void hists__filter_by_thread(struct hists *self, const struct thread *thread);
 #ifdef NO_NEWT_SUPPORT
 static inline int hists__browse(struct hists *self __used,
 				const char *helpline __used,
-				const char *input_name __used)
+				const char *ev_name __used)
 {
 	return 0;
 }
+
+static inline int hists__tui_browse_tree(struct rb_root *self __used,
+					 const char *help __used)
+{
+	return 0;
+}
+
 static inline int hist_entry__tui_annotate(struct hist_entry *self __used)
 {
 	return 0;
@@ -111,9 +118,12 @@ static inline int hist_entry__tui_annotate(struct hist_entry *self __used)
 #else
 #include <newt.h>
 int hists__browse(struct hists *self, const char *helpline,
-		  const char *input_name);
+		  const char *ev_name);
 int hist_entry__tui_annotate(struct hist_entry *self);
+
 #define KEY_LEFT NEWT_KEY_LEFT
 #define KEY_RIGHT NEWT_KEY_RIGHT
+
+int hists__tui_browse_tree(struct rb_root *self, const char *help);
 #endif
 #endif	/* __PERF_HIST_H */
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index ffd04720b75..d54c540f49d 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -842,6 +842,8 @@ static int hist_browser__populate(struct hist_browser *self, struct hists *hists
 	newtFormAddHotKey(self->form, 'h');
 	newtFormAddHotKey(self->form, NEWT_KEY_F1);
 	newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
+	newtFormAddHotKey(self->form, NEWT_KEY_TAB);
+	newtFormAddHotKey(self->form, NEWT_KEY_UNTAB);
 	newtFormAddComponents(self->form, self->tree, NULL);
 	self->selection = newt__symbol_tree_get_current(self->tree);
 
@@ -873,7 +875,7 @@ static struct thread *hist_browser__selected_thread(struct hist_browser *self)
 	return he ? he->thread : NULL;
 }
 
-static int hist_browser__title(char *bf, size_t size, const char *input_name,
+static int hist_browser__title(char *bf, size_t size, const char *ev_name,
 			       const struct dso *dso, const struct thread *thread)
 {
 	int printed = 0;
@@ -887,18 +889,18 @@ static int hist_browser__title(char *bf, size_t size, const char *input_name,
 		printed += snprintf(bf + printed, size - printed,
 				    "%sDSO: %s", thread ? " " : "",
 				    dso->short_name);
-	return printed ?: snprintf(bf, size, "Report: %s", input_name);
+	return printed ?: snprintf(bf, size, "Event: %s", ev_name);
 }
 
-int hists__browse(struct hists *self, const char *helpline, const char *input_name)
+int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
 {
 	struct hist_browser *browser = hist_browser__new();
-	struct pstack *fstack = pstack__new(2);
+	struct pstack *fstack;
 	const struct thread *thread_filter = NULL;
 	const struct dso *dso_filter = NULL;
 	struct newtExitStruct es;
 	char msg[160];
-	int err = -1;
+	int key = -1;
 
 	if (browser == NULL)
 		return -1;
@@ -909,7 +911,7 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
 
 	ui_helpline__push(helpline);
 
-	hist_browser__title(msg, sizeof(msg), input_name,
+	hist_browser__title(msg, sizeof(msg), ev_name,
 			    dso_filter, thread_filter);
 	if (hist_browser__populate(browser, self, msg) < 0)
 		goto out_free_stack;
@@ -927,10 +929,23 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
 		dso = browser->selection->map ? browser->selection->map->dso : NULL;
 
 		if (es.reason == NEWT_EXIT_HOTKEY) {
-			if (es.u.key == NEWT_KEY_F1)
-				goto do_help;
+			key = es.u.key;
 
-			switch (toupper(es.u.key)) {
+			switch (key) {
+			case NEWT_KEY_F1:
+				goto do_help;
+			case NEWT_KEY_TAB:
+			case NEWT_KEY_UNTAB:
+				/*
+				 * Exit the browser, let hists__browser_tree
+				 * go to the next or previous
+				 */
+				goto out_free_stack;
+			default:;
+			}
+
+			key = toupper(key);
+			switch (key) {
 			case 'A':
 				if (browser->selection->map == NULL &&
 				    browser->selection->map->dso->annotate_warned)
@@ -953,8 +968,8 @@ do_help:
 				continue;
 			default:;
 			}
-			if (is_exit_key(es.u.key)) {
-				if (es.u.key == NEWT_KEY_ESCAPE) {
+			if (is_exit_key(key)) {
+				if (key == NEWT_KEY_ESCAPE) {
 					if (dialog_yesno("Do you really want to exit?"))
 						break;
 					else
@@ -1041,7 +1056,7 @@ zoom_out_dso:
 				pstack__push(fstack, &dso_filter);
 			}
 			hists__filter_by_dso(self, dso_filter);
-			hist_browser__title(msg, sizeof(msg), input_name,
+			hist_browser__title(msg, sizeof(msg), ev_name,
 					    dso_filter, thread_filter);
 			if (hist_browser__populate(browser, self, msg) < 0)
 				goto out;
@@ -1060,18 +1075,49 @@ zoom_out_thread:
 				pstack__push(fstack, &thread_filter);
 			}
 			hists__filter_by_thread(self, thread_filter);
-			hist_browser__title(msg, sizeof(msg), input_name,
+			hist_browser__title(msg, sizeof(msg), ev_name,
 					    dso_filter, thread_filter);
 			if (hist_browser__populate(browser, self, msg) < 0)
 				goto out;
 		}
 	}
-	err = 0;
 out_free_stack:
 	pstack__delete(fstack);
 out:
 	hist_browser__delete(browser);
-	return err;
+	return key;
+}
+
+int hists__tui_browse_tree(struct rb_root *self, const char *help)
+{
+	struct rb_node *first = rb_first(self), *nd = first, *next;
+	int key = 0;
+
+	while (nd) {
+		struct hists *hists = rb_entry(nd, struct hists, rb_node);
+		const char *ev_name = __event_name(hists->type, hists->config);
+
+		key = hists__browse(hists, help, ev_name);
+
+		if (is_exit_key(key))
+			break;
+
+		switch (key) {
+		case NEWT_KEY_TAB:
+			next = rb_next(nd);
+			if (next)
+				nd = next;
+			break;
+		case NEWT_KEY_UNTAB:
+			if (nd == first)
+				continue;
+			nd = rb_prev(nd);
+		default:
+			break;
+		}
+	}
+
+	return key;
 }
 
 static struct newtPercentTreeColors {

From b3040e40675ec2c43542331cd30d4ee3dae797e8 Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassi.brar@samsung.com>
Date: Sun, 23 May 2010 20:28:19 -0700
Subject: [PATCH 2820/3638] DMA: PL330: Add dma api driver

Add DMA Engine API driver for the PL330 DMAC.
This driver is supposed to be reusable by various
platforms that have one or more PL330 DMACs.
Atm, DMA_SLAVE and DMA_MEMCPY capabilities have been
implemented.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Reviewed-by: Linus Walleij <linus.walleij@stericsson.com>
[dan.j.williams@intel.com: missing slab.h and ->device_control() fixups]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/Kconfig        |   9 +
 drivers/dma/Makefile       |   1 +
 drivers/dma/pl330.c        | 866 +++++++++++++++++++++++++++++++++++++
 include/linux/amba/pl330.h |  45 ++
 4 files changed, 921 insertions(+)
 create mode 100644 drivers/dma/pl330.c
 create mode 100644 include/linux/amba/pl330.h

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 1b8877922fb..9e01e96fee9 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -166,6 +166,15 @@ config TIMB_DMA
 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 	bool
 
+config PL330_DMA
+	tristate "DMA API Driver for PL330"
+	select DMA_ENGINE
+	depends on PL330
+	help
+	  Select if your platform has one or more PL330 DMACs.
+	  You need to provide platform specific settings via
+	  platform_data for a dma-pl330 device.
+
 config DMA_ENGINE
 	bool
 
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 20881426c1a..0fe5ebbfda5 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -22,3 +22,4 @@ obj-$(CONFIG_COH901318) += coh901318.o coh901318_lli.o
 obj-$(CONFIG_AMCC_PPC440SPE_ADMA) += ppc4xx/
 obj-$(CONFIG_TIMB_DMA) += timb_dma.o
 obj-$(CONFIG_STE_DMA40) += ste_dma40.o ste_dma40_ll.o
+obj-$(CONFIG_PL330_DMA) += pl330.o
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
new file mode 100644
index 00000000000..7c50f6dfd3f
--- /dev/null
+++ b/drivers/dma/pl330.c
@@ -0,0 +1,866 @@
+/* linux/drivers/dma/pl330.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/io.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/dmaengine.h>
+#include <linux/interrupt.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/pl330.h>
+
+#define NR_DEFAULT_DESC	16
+
+enum desc_status {
+	/* In the DMAC pool */
+	FREE,
+	/*
+	 * Allocted to some channel during prep_xxx
+	 * Also may be sitting on the work_list.
+	 */
+	PREP,
+	/*
+	 * Sitting on the work_list and already submitted
+	 * to the PL330 core. Not more than two descriptors
+	 * of a channel can be BUSY at any time.
+	 */
+	BUSY,
+	/*
+	 * Sitting on the channel work_list but xfer done
+	 * by PL330 core
+	 */
+	DONE,
+};
+
+struct dma_pl330_chan {
+	/* Schedule desc completion */
+	struct tasklet_struct task;
+
+	/* DMA-Engine Channel */
+	struct dma_chan chan;
+
+	/* Last completed cookie */
+	dma_cookie_t completed;
+
+	/* List of to be xfered descriptors */
+	struct list_head work_list;
+
+	/* Pointer to the DMAC that manages this channel,
+	 * NULL if the channel is available to be acquired.
+	 * As the parent, this DMAC also provides descriptors
+	 * to the channel.
+	 */
+	struct dma_pl330_dmac *dmac;
+
+	/* To protect channel manipulation */
+	spinlock_t lock;
+
+	/* Token of a hardware channel thread of PL330 DMAC
+	 * NULL if the channel is available to be acquired.
+	 */
+	void *pl330_chid;
+};
+
+struct dma_pl330_dmac {
+	struct pl330_info pif;
+
+	/* DMA-Engine Device */
+	struct dma_device ddma;
+
+	/* Pool of descriptors available for the DMAC's channels */
+	struct list_head desc_pool;
+	/* To protect desc_pool manipulation */
+	spinlock_t pool_lock;
+
+	/* Peripheral channels connected to this DMAC */
+	struct dma_pl330_chan peripherals[0]; /* keep at end */
+};
+
+struct dma_pl330_desc {
+	/* To attach to a queue as child */
+	struct list_head node;
+
+	/* Descriptor for the DMA Engine API */
+	struct dma_async_tx_descriptor txd;
+
+	/* Xfer for PL330 core */
+	struct pl330_xfer px;
+
+	struct pl330_reqcfg rqcfg;
+	struct pl330_req req;
+
+	enum desc_status status;
+
+	/* The channel which currently holds this desc */
+	struct dma_pl330_chan *pchan;
+};
+
+static inline struct dma_pl330_chan *
+to_pchan(struct dma_chan *ch)
+{
+	if (!ch)
+		return NULL;
+
+	return container_of(ch, struct dma_pl330_chan, chan);
+}
+
+static inline struct dma_pl330_desc *
+to_desc(struct dma_async_tx_descriptor *tx)
+{
+	return container_of(tx, struct dma_pl330_desc, txd);
+}
+
+static inline void free_desc_list(struct list_head *list)
+{
+	struct dma_pl330_dmac *pdmac;
+	struct dma_pl330_desc *desc;
+	struct dma_pl330_chan *pch;
+	unsigned long flags;
+
+	if (list_empty(list))
+		return;
+
+	/* Finish off the work list */
+	list_for_each_entry(desc, list, node) {
+		dma_async_tx_callback callback;
+		void *param;
+
+		/* All desc in a list belong to same channel */
+		pch = desc->pchan;
+		callback = desc->txd.callback;
+		param = desc->txd.callback_param;
+
+		if (callback)
+			callback(param);
+
+		desc->pchan = NULL;
+	}
+
+	pdmac = pch->dmac;
+
+	spin_lock_irqsave(&pdmac->pool_lock, flags);
+	list_splice_tail_init(list, &pdmac->desc_pool);
+	spin_unlock_irqrestore(&pdmac->pool_lock, flags);
+}
+
+static inline void fill_queue(struct dma_pl330_chan *pch)
+{
+	struct dma_pl330_desc *desc;
+	int ret;
+
+	list_for_each_entry(desc, &pch->work_list, node) {
+
+		/* If already submitted */
+		if (desc->status == BUSY)
+			break;
+
+		ret = pl330_submit_req(pch->pl330_chid,
+						&desc->req);
+		if (!ret) {
+			desc->status = BUSY;
+			break;
+		} else if (ret == -EAGAIN) {
+			/* QFull or DMAC Dying */
+			break;
+		} else {
+			/* Unacceptable request */
+			desc->status = DONE;
+			dev_err(pch->dmac->pif.dev, "%s:%d Bad Desc(%d)\n",
+					__func__, __LINE__, desc->txd.cookie);
+			tasklet_schedule(&pch->task);
+		}
+	}
+}
+
+static void pl330_tasklet(unsigned long data)
+{
+	struct dma_pl330_chan *pch = (struct dma_pl330_chan *)data;
+	struct dma_pl330_desc *desc, *_dt;
+	unsigned long flags;
+	LIST_HEAD(list);
+
+	spin_lock_irqsave(&pch->lock, flags);
+
+	/* Pick up ripe tomatoes */
+	list_for_each_entry_safe(desc, _dt, &pch->work_list, node)
+		if (desc->status == DONE) {
+			pch->completed = desc->txd.cookie;
+			list_move_tail(&desc->node, &list);
+		}
+
+	/* Try to submit a req imm. next to the last completed cookie */
+	fill_queue(pch);
+
+	/* Make sure the PL330 Channel thread is active */
+	pl330_chan_ctrl(pch->pl330_chid, PL330_OP_START);
+
+	spin_unlock_irqrestore(&pch->lock, flags);
+
+	free_desc_list(&list);
+}
+
+static void dma_pl330_rqcb(void *token, enum pl330_op_err err)
+{
+	struct dma_pl330_desc *desc = token;
+	struct dma_pl330_chan *pch = desc->pchan;
+	unsigned long flags;
+
+	/* If desc aborted */
+	if (!pch)
+		return;
+
+	spin_lock_irqsave(&pch->lock, flags);
+
+	desc->status = DONE;
+
+	spin_unlock_irqrestore(&pch->lock, flags);
+
+	tasklet_schedule(&pch->task);
+}
+
+static int pl330_alloc_chan_resources(struct dma_chan *chan)
+{
+	struct dma_pl330_chan *pch = to_pchan(chan);
+	struct dma_pl330_dmac *pdmac = pch->dmac;
+	unsigned long flags;
+
+	spin_lock_irqsave(&pch->lock, flags);
+
+	pch->completed = chan->cookie = 1;
+
+	pch->pl330_chid = pl330_request_channel(&pdmac->pif);
+	if (!pch->pl330_chid) {
+		spin_unlock_irqrestore(&pch->lock, flags);
+		return 0;
+	}
+
+	tasklet_init(&pch->task, pl330_tasklet, (unsigned long) pch);
+
+	spin_unlock_irqrestore(&pch->lock, flags);
+
+	return 1;
+}
+
+static int pl330_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, unsigned long arg)
+{
+	struct dma_pl330_chan *pch = to_pchan(chan);
+	struct dma_pl330_desc *desc;
+	unsigned long flags;
+
+	/* Only supports DMA_TERMINATE_ALL */
+	if (cmd != DMA_TERMINATE_ALL)
+		return -ENXIO;
+
+	spin_lock_irqsave(&pch->lock, flags);
+
+	/* FLUSH the PL330 Channel thread */
+	pl330_chan_ctrl(pch->pl330_chid, PL330_OP_FLUSH);
+
+	/* Mark all desc done */
+	list_for_each_entry(desc, &pch->work_list, node)
+		desc->status = DONE;
+
+	spin_unlock_irqrestore(&pch->lock, flags);
+
+	pl330_tasklet((unsigned long) pch);
+
+	return 0;
+}
+
+static void pl330_free_chan_resources(struct dma_chan *chan)
+{
+	struct dma_pl330_chan *pch = to_pchan(chan);
+	unsigned long flags;
+
+	spin_lock_irqsave(&pch->lock, flags);
+
+	tasklet_kill(&pch->task);
+
+	pl330_release_channel(pch->pl330_chid);
+	pch->pl330_chid = NULL;
+
+	spin_unlock_irqrestore(&pch->lock, flags);
+}
+
+static enum dma_status
+pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
+		 struct dma_tx_state *txstate)
+{
+	struct dma_pl330_chan *pch = to_pchan(chan);
+	dma_cookie_t last_done, last_used;
+	int ret;
+
+	last_done = pch->completed;
+	last_used = chan->cookie;
+
+	ret = dma_async_is_complete(cookie, last_done, last_used);
+
+	dma_set_tx_state(txstate, last_done, last_used, 0);
+
+	return ret;
+}
+
+static void pl330_issue_pending(struct dma_chan *chan)
+{
+	pl330_tasklet((unsigned long) to_pchan(chan));
+}
+
+/*
+ * We returned the last one of the circular list of descriptor(s)
+ * from prep_xxx, so the argument to submit corresponds to the last
+ * descriptor of the list.
+ */
+static dma_cookie_t pl330_tx_submit(struct dma_async_tx_descriptor *tx)
+{
+	struct dma_pl330_desc *desc, *last = to_desc(tx);
+	struct dma_pl330_chan *pch = to_pchan(tx->chan);
+	dma_cookie_t cookie;
+	unsigned long flags;
+
+	spin_lock_irqsave(&pch->lock, flags);
+
+	/* Assign cookies to all nodes */
+	cookie = tx->chan->cookie;
+
+	while (!list_empty(&last->node)) {
+		desc = list_entry(last->node.next, struct dma_pl330_desc, node);
+
+		if (++cookie < 0)
+			cookie = 1;
+		desc->txd.cookie = cookie;
+
+		list_move_tail(&desc->node, &pch->work_list);
+	}
+
+	if (++cookie < 0)
+		cookie = 1;
+	last->txd.cookie = cookie;
+
+	list_add_tail(&last->node, &pch->work_list);
+
+	tx->chan->cookie = cookie;
+
+	spin_unlock_irqrestore(&pch->lock, flags);
+
+	return cookie;
+}
+
+static inline void _init_desc(struct dma_pl330_desc *desc)
+{
+	desc->pchan = NULL;
+	desc->req.x = &desc->px;
+	desc->req.token = desc;
+	desc->rqcfg.swap = SWAP_NO;
+	desc->rqcfg.privileged = 0;
+	desc->rqcfg.insnaccess = 0;
+	desc->rqcfg.scctl = SCCTRL0;
+	desc->rqcfg.dcctl = DCCTRL0;
+	desc->req.cfg = &desc->rqcfg;
+	desc->req.xfer_cb = dma_pl330_rqcb;
+	desc->txd.tx_submit = pl330_tx_submit;
+
+	INIT_LIST_HEAD(&desc->node);
+}
+
+/* Returns the number of descriptors added to the DMAC pool */
+int add_desc(struct dma_pl330_dmac *pdmac, gfp_t flg, int count)
+{
+	struct dma_pl330_desc *desc;
+	unsigned long flags;
+	int i;
+
+	if (!pdmac)
+		return 0;
+
+	desc = kmalloc(count * sizeof(*desc), flg);
+	if (!desc)
+		return 0;
+
+	spin_lock_irqsave(&pdmac->pool_lock, flags);
+
+	for (i = 0; i < count; i++) {
+		_init_desc(&desc[i]);
+		list_add_tail(&desc[i].node, &pdmac->desc_pool);
+	}
+
+	spin_unlock_irqrestore(&pdmac->pool_lock, flags);
+
+	return count;
+}
+
+static struct dma_pl330_desc *
+pluck_desc(struct dma_pl330_dmac *pdmac)
+{
+	struct dma_pl330_desc *desc = NULL;
+	unsigned long flags;
+
+	if (!pdmac)
+		return NULL;
+
+	spin_lock_irqsave(&pdmac->pool_lock, flags);
+
+	if (!list_empty(&pdmac->desc_pool)) {
+		desc = list_entry(pdmac->desc_pool.next,
+				struct dma_pl330_desc, node);
+
+		list_del_init(&desc->node);
+
+		desc->status = PREP;
+		desc->txd.callback = NULL;
+	}
+
+	spin_unlock_irqrestore(&pdmac->pool_lock, flags);
+
+	return desc;
+}
+
+static struct dma_pl330_desc *pl330_get_desc(struct dma_pl330_chan *pch)
+{
+	struct dma_pl330_dmac *pdmac = pch->dmac;
+	struct dma_pl330_peri *peri = pch->chan.private;
+	struct dma_pl330_desc *desc;
+
+	/* Pluck one desc from the pool of DMAC */
+	desc = pluck_desc(pdmac);
+
+	/* If the DMAC pool is empty, alloc new */
+	if (!desc) {
+		if (!add_desc(pdmac, GFP_ATOMIC, 1))
+			return NULL;
+
+		/* Try again */
+		desc = pluck_desc(pdmac);
+		if (!desc) {
+			dev_err(pch->dmac->pif.dev,
+				"%s:%d ALERT!\n", __func__, __LINE__);
+			return NULL;
+		}
+	}
+
+	/* Initialize the descriptor */
+	desc->pchan = pch;
+	desc->txd.cookie = 0;
+	async_tx_ack(&desc->txd);
+
+	desc->req.rqtype = peri->rqtype;
+	desc->req.peri = peri->peri_id;
+
+	dma_async_tx_descriptor_init(&desc->txd, &pch->chan);
+
+	return desc;
+}
+
+static inline void fill_px(struct pl330_xfer *px,
+		dma_addr_t dst, dma_addr_t src, size_t len)
+{
+	px->next = NULL;
+	px->bytes = len;
+	px->dst_addr = dst;
+	px->src_addr = src;
+}
+
+static struct dma_pl330_desc *
+__pl330_prep_dma_memcpy(struct dma_pl330_chan *pch, dma_addr_t dst,
+		dma_addr_t src, size_t len)
+{
+	struct dma_pl330_desc *desc = pl330_get_desc(pch);
+
+	if (!desc) {
+		dev_err(pch->dmac->pif.dev, "%s:%d Unable to fetch desc\n",
+			__func__, __LINE__);
+		return NULL;
+	}
+
+	/*
+	 * Ideally we should lookout for reqs bigger than
+	 * those that can be programmed with 256 bytes of
+	 * MC buffer, but considering a req size is seldom
+	 * going to be word-unaligned and more than 200MB,
+	 * we take it easy.
+	 * Also, should the limit is reached we'd rather
+	 * have the platform increase MC buffer size than
+	 * complicating this API driver.
+	 */
+	fill_px(&desc->px, dst, src, len);
+
+	return desc;
+}
+
+/* Call after fixing burst size */
+static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len)
+{
+	struct dma_pl330_chan *pch = desc->pchan;
+	struct pl330_info *pi = &pch->dmac->pif;
+	int burst_len;
+
+	burst_len = pi->pcfg.data_bus_width / 8;
+	burst_len *= pi->pcfg.data_buf_dep;
+	burst_len >>= desc->rqcfg.brst_size;
+
+	/* src/dst_burst_len can't be more than 16 */
+	if (burst_len > 16)
+		burst_len = 16;
+
+	while (burst_len > 1) {
+		if (!(len % (burst_len << desc->rqcfg.brst_size)))
+			break;
+		burst_len--;
+	}
+
+	return burst_len;
+}
+
+static struct dma_async_tx_descriptor *
+pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst,
+		dma_addr_t src, size_t len, unsigned long flags)
+{
+	struct dma_pl330_desc *desc;
+	struct dma_pl330_chan *pch = to_pchan(chan);
+	struct dma_pl330_peri *peri = chan->private;
+	struct pl330_info *pi;
+	int burst;
+
+	if (unlikely(!pch || !len || !peri))
+		return NULL;
+
+	if (peri->rqtype != MEMTOMEM)
+		return NULL;
+
+	pi = &pch->dmac->pif;
+
+	desc = __pl330_prep_dma_memcpy(pch, dst, src, len);
+	if (!desc)
+		return NULL;
+
+	desc->rqcfg.src_inc = 1;
+	desc->rqcfg.dst_inc = 1;
+
+	/* Select max possible burst size */
+	burst = pi->pcfg.data_bus_width / 8;
+
+	while (burst > 1) {
+		if (!(len % burst))
+			break;
+		burst /= 2;
+	}
+
+	desc->rqcfg.brst_size = 0;
+	while (burst != (1 << desc->rqcfg.brst_size))
+		desc->rqcfg.brst_size++;
+
+	desc->rqcfg.brst_len = get_burst_len(desc, len);
+
+	desc->txd.flags = flags;
+
+	return &desc->txd;
+}
+
+static struct dma_async_tx_descriptor *
+pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
+		unsigned int sg_len, enum dma_data_direction direction,
+		unsigned long flg)
+{
+	struct dma_pl330_desc *first, *desc = NULL;
+	struct dma_pl330_chan *pch = to_pchan(chan);
+	struct dma_pl330_peri *peri = chan->private;
+	struct scatterlist *sg;
+	unsigned long flags;
+	int i, burst_size;
+	dma_addr_t addr;
+
+	if (unlikely(!pch || !sgl || !sg_len))
+		return NULL;
+
+	/* Make sure the direction is consistent */
+	if ((direction == DMA_TO_DEVICE &&
+				peri->rqtype != MEMTODEV) ||
+			(direction == DMA_FROM_DEVICE &&
+				peri->rqtype != DEVTOMEM)) {
+		dev_err(pch->dmac->pif.dev, "%s:%d Invalid Direction\n",
+				__func__, __LINE__);
+		return NULL;
+	}
+
+	addr = peri->fifo_addr;
+	burst_size = peri->burst_sz;
+
+	first = NULL;
+
+	for_each_sg(sgl, sg, sg_len, i) {
+
+		desc = pl330_get_desc(pch);
+		if (!desc) {
+			struct dma_pl330_dmac *pdmac = pch->dmac;
+
+			dev_err(pch->dmac->pif.dev,
+				"%s:%d Unable to fetch desc\n",
+				__func__, __LINE__);
+			if (!first)
+				return NULL;
+
+			spin_lock_irqsave(&pdmac->pool_lock, flags);
+
+			while (!list_empty(&first->node)) {
+				desc = list_entry(first->node.next,
+						struct dma_pl330_desc, node);
+				list_move_tail(&desc->node, &pdmac->desc_pool);
+			}
+
+			list_move_tail(&first->node, &pdmac->desc_pool);
+
+			spin_unlock_irqrestore(&pdmac->pool_lock, flags);
+
+			return NULL;
+		}
+
+		if (!first)
+			first = desc;
+		else
+			list_add_tail(&desc->node, &first->node);
+
+		if (direction == DMA_TO_DEVICE) {
+			desc->rqcfg.src_inc = 1;
+			desc->rqcfg.dst_inc = 0;
+			fill_px(&desc->px,
+				addr, sg_dma_address(sg), sg_dma_len(sg));
+		} else {
+			desc->rqcfg.src_inc = 0;
+			desc->rqcfg.dst_inc = 1;
+			fill_px(&desc->px,
+				sg_dma_address(sg), addr, sg_dma_len(sg));
+		}
+
+		desc->rqcfg.brst_size = burst_size;
+		desc->rqcfg.brst_len = 1;
+	}
+
+	/* Return the last desc in the chain */
+	desc->txd.flags = flg;
+	return &desc->txd;
+}
+
+static irqreturn_t pl330_irq_handler(int irq, void *data)
+{
+	if (pl330_update(data))
+		return IRQ_HANDLED;
+	else
+		return IRQ_NONE;
+}
+
+static int __devinit
+pl330_probe(struct amba_device *adev, struct amba_id *id)
+{
+	struct dma_pl330_platdata *pdat;
+	struct dma_pl330_dmac *pdmac;
+	struct dma_pl330_chan *pch;
+	struct pl330_info *pi;
+	struct dma_device *pd;
+	struct resource *res;
+	int i, ret, irq;
+
+	pdat = adev->dev.platform_data;
+
+	if (!pdat || !pdat->nr_valid_peri) {
+		dev_err(&adev->dev, "platform data missing\n");
+		return -ENODEV;
+	}
+
+	/* Allocate a new DMAC and its Channels */
+	pdmac = kzalloc(pdat->nr_valid_peri * sizeof(*pch)
+				+ sizeof(*pdmac), GFP_KERNEL);
+	if (!pdmac) {
+		dev_err(&adev->dev, "unable to allocate mem\n");
+		return -ENOMEM;
+	}
+
+	pi = &pdmac->pif;
+	pi->dev = &adev->dev;
+	pi->pl330_data = NULL;
+	pi->mcbufsz = pdat->mcbuf_sz;
+
+	res = &adev->res;
+	request_mem_region(res->start, resource_size(res), "dma-pl330");
+
+	pi->base = ioremap(res->start, resource_size(res));
+	if (!pi->base) {
+		ret = -ENXIO;
+		goto probe_err1;
+	}
+
+	irq = adev->irq[0];
+	ret = request_irq(irq, pl330_irq_handler, 0,
+			dev_name(&adev->dev), pi);
+	if (ret)
+		goto probe_err2;
+
+	ret = pl330_add(pi);
+	if (ret)
+		goto probe_err3;
+
+	INIT_LIST_HEAD(&pdmac->desc_pool);
+	spin_lock_init(&pdmac->pool_lock);
+
+	/* Create a descriptor pool of default size */
+	if (!add_desc(pdmac, GFP_KERNEL, NR_DEFAULT_DESC))
+		dev_warn(&adev->dev, "unable to allocate desc\n");
+
+	pd = &pdmac->ddma;
+	INIT_LIST_HEAD(&pd->channels);
+
+	/* Initialize channel parameters */
+	for (i = 0; i < pdat->nr_valid_peri; i++) {
+		struct dma_pl330_peri *peri = &pdat->peri[i];
+		pch = &pdmac->peripherals[i];
+
+		switch (peri->rqtype) {
+		case MEMTOMEM:
+			dma_cap_set(DMA_MEMCPY, pd->cap_mask);
+			break;
+		case MEMTODEV:
+		case DEVTOMEM:
+			dma_cap_set(DMA_SLAVE, pd->cap_mask);
+			break;
+		default:
+			dev_err(&adev->dev, "DEVTODEV Not Supported\n");
+			continue;
+		}
+
+		INIT_LIST_HEAD(&pch->work_list);
+		spin_lock_init(&pch->lock);
+		pch->pl330_chid = NULL;
+		pch->chan.private = peri;
+		pch->chan.device = pd;
+		pch->chan.chan_id = i;
+		pch->dmac = pdmac;
+
+		/* Add the channel to the DMAC list */
+		pd->chancnt++;
+		list_add_tail(&pch->chan.device_node, &pd->channels);
+	}
+
+	pd->dev = &adev->dev;
+
+	pd->device_alloc_chan_resources = pl330_alloc_chan_resources;
+	pd->device_free_chan_resources = pl330_free_chan_resources;
+	pd->device_prep_dma_memcpy = pl330_prep_dma_memcpy;
+	pd->device_tx_status = pl330_tx_status;
+	pd->device_prep_slave_sg = pl330_prep_slave_sg;
+	pd->device_control = pl330_control;
+	pd->device_issue_pending = pl330_issue_pending;
+
+	ret = dma_async_device_register(pd);
+	if (ret) {
+		dev_err(&adev->dev, "unable to register DMAC\n");
+		goto probe_err4;
+	}
+
+	amba_set_drvdata(adev, pdmac);
+
+	dev_info(&adev->dev,
+		"Loaded driver for PL330 DMAC-%d\n", adev->periphid);
+	dev_info(&adev->dev,
+		"\tDBUFF-%ux%ubytes Num_Chans-%u Num_Peri-%u Num_Events-%u\n",
+		pi->pcfg.data_buf_dep,
+		pi->pcfg.data_bus_width / 8, pi->pcfg.num_chan,
+		pi->pcfg.num_peri, pi->pcfg.num_events);
+
+	return 0;
+
+probe_err4:
+	pl330_del(pi);
+probe_err3:
+	free_irq(irq, pi);
+probe_err2:
+	iounmap(pi->base);
+probe_err1:
+	release_mem_region(res->start, resource_size(res));
+	kfree(pdmac);
+
+	return ret;
+}
+
+static int __devexit pl330_remove(struct amba_device *adev)
+{
+	struct dma_pl330_dmac *pdmac = amba_get_drvdata(adev);
+	struct dma_pl330_chan *pch, *_p;
+	struct pl330_info *pi;
+	struct resource *res;
+	int irq;
+
+	if (!pdmac)
+		return 0;
+
+	amba_set_drvdata(adev, NULL);
+
+	/* Idle the DMAC */
+	list_for_each_entry_safe(pch, _p, &pdmac->ddma.channels,
+			chan.device_node) {
+
+		/* Remove the channel */
+		list_del(&pch->chan.device_node);
+
+		/* Flush the channel */
+		pl330_control(&pch->chan, DMA_TERMINATE_ALL, 0);
+		pl330_free_chan_resources(&pch->chan);
+	}
+
+	pi = &pdmac->pif;
+
+	pl330_del(pi);
+
+	irq = adev->irq[0];
+	free_irq(irq, pi);
+
+	iounmap(pi->base);
+
+	res = &adev->res;
+	release_mem_region(res->start, resource_size(res));
+
+	kfree(pdmac);
+
+	return 0;
+}
+
+static struct amba_id pl330_ids[] = {
+	{
+		.id	= 0x00041330,
+		.mask	= 0x000fffff,
+	},
+	{ 0, 0 },
+};
+
+static struct amba_driver pl330_driver = {
+	.drv = {
+		.owner = THIS_MODULE,
+		.name = "dma-pl330",
+	},
+	.id_table = pl330_ids,
+	.probe = pl330_probe,
+	.remove = pl330_remove,
+};
+
+static int __init pl330_init(void)
+{
+	return amba_driver_register(&pl330_driver);
+}
+module_init(pl330_init);
+
+static void __exit pl330_exit(void)
+{
+	amba_driver_unregister(&pl330_driver);
+	return;
+}
+module_exit(pl330_exit);
+
+MODULE_AUTHOR("Jaswinder Singh <jassi.brar@samsung.com>");
+MODULE_DESCRIPTION("API Driver for PL330 DMAC");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h
new file mode 100644
index 00000000000..cbee7de7dd3
--- /dev/null
+++ b/include/linux/amba/pl330.h
@@ -0,0 +1,45 @@
+/* linux/include/linux/amba/pl330.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef	__AMBA_PL330_H_
+#define	__AMBA_PL330_H_
+
+#include <asm/hardware/pl330.h>
+
+struct dma_pl330_peri {
+	/*
+	 * Peri_Req i/f of the DMAC that is
+	 * peripheral could be reached from.
+	 */
+	u8 peri_id; /* {0, 31} */
+	enum pl330_reqtype rqtype;
+
+	/* For M->D and D->M Channels */
+	int burst_sz; /* in power of 2 */
+	dma_addr_t fifo_addr;
+};
+
+struct dma_pl330_platdata {
+	/*
+	 * Number of valid peripherals connected to DMAC.
+	 * This may be different from the value read from
+	 * CR0, as the PL330 implementation might have 'holes'
+	 * in the peri list or the peri could also be reached
+	 * from another DMAC which the platform prefers.
+	 */
+	u8 nr_valid_peri;
+	/* Array of valid peripherals */
+	struct dma_pl330_peri *peri;
+	/* Bytes to allocate for MC buffer */
+	unsigned mcbuf_sz;
+};
+
+#endif	/* __AMBA_PL330_H_ */

From 9fcce0baea6628af935b1b485d6606a5a377a052 Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@uclinux.org>
Date: Thu, 20 May 2010 11:12:38 +1000
Subject: [PATCH 2821/3638] m68knommu: fix broken use of BUAD_TABLE_SIZE in
 68328serial driver
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Commit 8b505ca8e2600eb9e7dd2d6b2682a81717671374 ("serial: 68328serial.c:
remove BAUD_TABLE_SIZE macro") misses one use of BAUD_TABLE_SIZE. So the
resulting 68328serial.c does not compile:

drivers/serial/68328serial.c: In function ‘m68328_console_setup’:
drivers/serial/68328serial.c:1439: error: ‘BAUD_TABLE_SIZE’ undeclared (first use in this function)
drivers/serial/68328serial.c:1439: error: (Each undeclared identifier is reported only once
drivers/serial/68328serial.c:1439: error: for each function it appears in.)

Fix that last use of it.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Cc: <stable@kernel.org>
---
 drivers/serial/68328serial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index 78ed24bb6a3..30463862603 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -1437,7 +1437,7 @@ int m68328_console_setup(struct console *cp, char *arg)
 	for (i = 0; i < ARRAY_SIZE(baud_table); i++)
 		if (baud_table[i] == n)
 			break;
-	if (i < BAUD_TABLE_SIZE) {
+	if (i < ARRAY_SIZE(baud_table)) {
 		m68328_console_baud = n;
 		m68328_console_cbaud = 0;
 		if (i > 15) {

From cc24c405949e3d4418a90014d10166679d78141a Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@uclinux.org>
Date: Mon, 24 May 2010 11:22:05 +1000
Subject: [PATCH 2822/3638] m68knommu: remove size limit on non-MMU TASK_SIZE

The TASK_SIZE define is used in some places as a limit on the size of
the virtual address space of a process. On non-MMU systems those addresses
used in comparison will be physical addresses, and they could be anywhere
in the 32bit physical address space. So for !CONFIG_MMU systems set the
TASK_SIZE to the maximum physical address.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68k/include/asm/processor.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index cbd3d4751dd..7a6a7590cc0 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -44,11 +44,15 @@ static inline void wrusp(unsigned long usp)
  * User space process size: 3.75GB. This is hardcoded into a few places,
  * so don't change it unless you know what you are doing.
  */
+#ifdef CONFIG_MMU
 #ifndef CONFIG_SUN3
 #define TASK_SIZE	(0xF0000000UL)
 #else
 #define TASK_SIZE	(0x0E000000UL)
 #endif
+#else
+#define TASK_SIZE	(0xFFFFFFFFUL)
+#endif
 
 #ifdef __KERNEL__
 #define STACK_TOP	TASK_SIZE

From 4a1479b6ec268d527b842878da59712620dca78c Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@uclinux.org>
Date: Fri, 12 Jun 2009 16:17:20 +1000
Subject: [PATCH 2823/3638] m68knommu: add smc91x support to ColdFire 5249
 platform

The Freescale M5249EVB board is fitted with an SMC LAN91c11 ethernet
device. Add platform support to the M5249EVB setup code to support this.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68knommu/platform/5249/config.c | 48 +++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/arch/m68knommu/platform/5249/config.c b/arch/m68knommu/platform/5249/config.c
index 72fc4ae0e66..ceb31e5744a 100644
--- a/arch/m68knommu/platform/5249/config.c
+++ b/arch/m68knommu/platform/5249/config.c
@@ -40,6 +40,30 @@ static struct platform_device m5249_uart = {
 	.dev.platform_data	= m5249_uart_platform,
 };
 
+#ifdef CONFIG_M5249C3
+
+static struct resource m5249_smc91x_resources[] = {
+	{
+		.start		= 0xe0000300,
+		.end		= 0xe0000300 + 0x100,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= MCFINTC2_GPIOIRQ6,
+		.end		= MCFINTC2_GPIOIRQ6,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device m5249_smc91x = {
+	.name			= "smc91x",
+	.id			= 0,
+	.num_resources		= ARRAY_SIZE(m5249_smc91x_resources),
+	.resource		= m5249_smc91x_resources,
+};
+
+#endif /* CONFIG_M5249C3 */
+
 #if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
 static struct resource m5249_qspi_resources[] = {
 	{
@@ -200,6 +224,9 @@ static void __init m5249_qspi_init(void)
 
 static struct platform_device *m5249_devices[] __initdata = {
 	&m5249_uart,
+#ifdef CONFIG_M5249C3
+	&m5249_smc91x,
+#endif
 #if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
 	&m5249_qspi,
 #endif
@@ -231,6 +258,24 @@ static void __init m5249_uarts_init(void)
 
 /***************************************************************************/
 
+#ifdef CONFIG_M5249C3
+
+static void __init m5249_smc91x_init(void)
+{
+	u32  gpio;
+
+	/* Set the GPIO line as interrupt source for smc91x device */
+	gpio = readl(MCF_MBAR2 + MCFSIM2_GPIOINTENABLE);
+	writel(gpio | 0x40, MCF_MBAR2 + MCFSIM2_GPIOINTENABLE);
+
+	gpio = readl(MCF_MBAR2 + MCFSIM2_INTLEVEL5);
+	writel(gpio | 0x04000000, MCF_MBAR2 + MCFSIM2_INTLEVEL5);
+}
+
+#endif /* CONFIG_M5249C3 */
+
+/***************************************************************************/
+
 static void __init m5249_timers_init(void)
 {
 	/* Timer1 is always used as system timer */
@@ -264,6 +309,9 @@ void __init config_BSP(char *commandp, int size)
 	mach_reset = m5249_cpu_reset;
 	m5249_timers_init();
 	m5249_uarts_init();
+#ifdef CONFIG_M5249C3
+	m5249_smc91x_init();
+#endif
 #if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
 	m5249_qspi_init();
 #endif

From fa6667fe0f2966dca5464a91ca11b39fa46d74b8 Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@uclinux.org>
Date: Mon, 6 Jul 2009 12:00:09 +1000
Subject: [PATCH 2824/3638] m68knommu: add smc91x support for ColdFire NETtel
 boards

The ColdFire based NETtel boards use the SMC9196 ethernet devices.
Switch to using a platform setup for these parts using the smc91x driver.
The init code is taken strait out of arch/m68k/include/asm/mcfsmc.h,
just cleaned up a bit.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68knommu/platform/5307/Makefile |   4 +-
 arch/m68knommu/platform/5307/nettel.c | 153 ++++++++++++++++++++++++++
 2 files changed, 156 insertions(+), 1 deletion(-)
 create mode 100644 arch/m68knommu/platform/5307/nettel.c

diff --git a/arch/m68knommu/platform/5307/Makefile b/arch/m68knommu/platform/5307/Makefile
index 667db659845..6de52697682 100644
--- a/arch/m68knommu/platform/5307/Makefile
+++ b/arch/m68knommu/platform/5307/Makefile
@@ -14,5 +14,7 @@
 
 asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
 
-obj-y	+= config.o gpio.o
+obj-y			+= config.o gpio.o
+obj-$(CONFIG_NETtel)	+= nettel.o
+obj-$(CONFIG_CLEOPATRA)	+= nettel.o
 
diff --git a/arch/m68knommu/platform/5307/nettel.c b/arch/m68knommu/platform/5307/nettel.c
new file mode 100644
index 00000000000..e925ea4602f
--- /dev/null
+++ b/arch/m68knommu/platform/5307/nettel.c
@@ -0,0 +1,153 @@
+/***************************************************************************/
+
+/*
+ *	nettel.c -- startup code support for the NETtel boards
+ *
+ *	Copyright (C) 2009, Greg Ungerer (gerg@snapgear.com)
+ */
+
+/***************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/nettel.h>
+
+/***************************************************************************/
+
+/*
+ * Define the IO and interrupt resources of the 2 SMC9196 interfaces.
+ */
+#define	NETTEL_SMC0_ADDR	0x30600300
+#define	NETTEL_SMC0_IRQ		29
+
+#define	NETTEL_SMC1_ADDR	0x30600000
+#define	NETTEL_SMC1_IRQ		27
+
+/*
+ * We need some access into the SMC9196 registers. Define those registers
+ * we will need here (including the smc91x.h doesn't seem to give us these
+ * in a simple form).
+ */
+#define	SMC91xx_BANKSELECT	14
+#define	SMC91xx_BASEADDR	2
+#define	SMC91xx_BASEMAC		4
+
+/***************************************************************************/
+
+static struct resource nettel_smc91x_0_resources[] = {
+	{
+		.start		= NETTEL_SMC0_ADDR,
+		.end		= NETTEL_SMC0_ADDR + 0x20,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= NETTEL_SMC0_IRQ,
+		.end		= NETTEL_SMC0_IRQ,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource nettel_smc91x_1_resources[] = {
+	{
+		.start		= NETTEL_SMC1_ADDR,
+		.end		= NETTEL_SMC1_ADDR + 0x20,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= NETTEL_SMC1_IRQ,
+		.end		= NETTEL_SMC1_IRQ,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device nettel_smc91x[] = {
+	{
+		.name			= "smc91x",
+		.id			= 0,
+		.num_resources		= ARRAY_SIZE(nettel_smc91x_0_resources),
+		.resource		= nettel_smc91x_0_resources,
+	},
+	{
+		.name			= "smc91x",
+		.id			= 1,
+		.num_resources		= ARRAY_SIZE(nettel_smc91x_1_resources),
+		.resource		= nettel_smc91x_1_resources,
+	},
+};
+
+static struct platform_device *nettel_devices[] __initdata = {
+	&nettel_smc91x[0],
+	&nettel_smc91x[1],
+};
+
+/***************************************************************************/
+
+static u8 nettel_macdefault[] __initdata = {
+	0x00, 0xd0, 0xcf, 0x00, 0x00, 0x01,
+};
+
+/*
+ * Set flash contained MAC address into SMC9196 core. Make sure the flash
+ * MAC address is sane, and not an empty flash. If no good use the Moreton
+ * Bay default MAC address instead.
+ */
+
+static void __init nettel_smc91x_setmac(unsigned int ioaddr, unsigned int flashaddr)
+{
+	u16 *macp;
+
+	macp = (u16 *) flashaddr;
+	if ((macp[0] == 0xffff) && (macp[1] == 0xffff) && (macp[2] == 0xffff))
+		macp = (u16 *) &nettel_macdefault[0];
+
+	writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT);
+	writew(macp[0], ioaddr + SMC91xx_BASEMAC);
+	writew(macp[1], ioaddr + SMC91xx_BASEMAC + 2);
+	writew(macp[2], ioaddr + SMC91xx_BASEMAC + 4);
+}
+
+/***************************************************************************/
+
+/*
+ * Re-map the address space of at least one of the SMC ethernet
+ * parts. Both parts power up decoding the same address, so we
+ * need to move one of them first, before doing anything else.
+ */
+
+static void __init nettel_smc91x_init(void)
+{
+	writew(0x00ec, MCF_MBAR + MCFSIM_PADDR);
+	mcf_setppdata(0, 0x0080);
+	writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT);
+	writew(0x0067, NETTEL_SMC0_ADDR + SMC91xx_BASEADDR);
+	mcf_setppdata(0x0080, 0);
+
+	/* Set correct chip select timing for SMC9196 accesses */
+	writew(0x1180, MCF_MBAR + MCFSIM_CSCR3);
+
+	/* Set the SMC interrupts to be auto-vectored */
+	mcf_autovector(NETTEL_SMC0_IRQ);
+	mcf_autovector(NETTEL_SMC1_IRQ);
+
+	/* Set MAC addresses from flash for both interfaces */
+	nettel_smc91x_setmac(NETTEL_SMC0_ADDR, 0xf0006000);
+	nettel_smc91x_setmac(NETTEL_SMC1_ADDR, 0xf0006006);
+}
+
+/***************************************************************************/
+
+static int __init init_nettel(void)
+{
+	nettel_smc91x_init();
+	platform_add_devices(nettel_devices, ARRAY_SIZE(nettel_devices));
+	return 0;
+}
+
+arch_initcall(init_nettel);
+
+/***************************************************************************/

From f606aee2e0a37013cf2a8a28d7ed089d7c31d55a Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@uclinux.org>
Date: Fri, 18 Sep 2009 10:29:12 +1000
Subject: [PATCH 2825/3638] m68knommu: remove un-used mcfsmc.h

Remove the un-used mcfsmc.h. All ColdFire platforms that use SMC ethernet
devices are platform enabled to use the smc91x driver.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68k/include/asm/mcfsmc.h | 187 ---------------------------------
 1 file changed, 187 deletions(-)
 delete mode 100644 arch/m68k/include/asm/mcfsmc.h

diff --git a/arch/m68k/include/asm/mcfsmc.h b/arch/m68k/include/asm/mcfsmc.h
deleted file mode 100644
index 527bea5d678..00000000000
--- a/arch/m68k/include/asm/mcfsmc.h
+++ /dev/null
@@ -1,187 +0,0 @@
-/****************************************************************************/
-
-/*
- *	mcfsmc.h -- SMC ethernet support for ColdFire environments.
- *
- *	(C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com)
- *	(C) Copyright 2000, Lineo Inc. (www.lineo.com) 
- */
-
-/****************************************************************************/
-#ifndef	mcfsmc_h
-#define	mcfsmc_h
-/****************************************************************************/
-
-/*
- *	None of the current ColdFire targets that use the SMC91x111
- *	allow 8 bit accesses. So this code is 16bit access only.
- */
-
-
-#undef	outb
-#undef	inb
-#undef	outw
-#undef	outwd
-#undef	inw	
-#undef	outl
-#undef	inl
-
-#undef	outsb
-#undef	outsw
-#undef	outsl
-#undef	insb
-#undef	insw
-#undef	insl
-
-/*
- *	Re-defines for ColdFire environment... The SMC part is
- *	mapped into memory space, so remap the PC-style in/out
- *	routines to handle that.
- */
-#define	outb	smc_outb
-#define	inb	smc_inb
-#define	outw	smc_outw
-#define	outwd	smc_outwd
-#define	inw	smc_inw
-#define	outl	smc_outl
-#define	inl	smc_inl
-
-#define	outsb	smc_outsb
-#define	outsw	smc_outsw
-#define	outsl	smc_outsl
-#define	insb	smc_insb
-#define	insw	smc_insw
-#define	insl	smc_insl
-
-
-static inline int smc_inb(unsigned int addr)
-{
-	register unsigned short	w;
-	w = *((volatile unsigned short *) (addr & ~0x1));
-	return(((addr & 0x1) ? w : (w >> 8)) & 0xff);
-}
-
-static inline void smc_outw(unsigned int val, unsigned int addr)
-{
-	*((volatile unsigned short *) addr) = (val << 8) | (val >> 8);
-}
-
-static inline int smc_inw(unsigned int addr)
-{
-	register unsigned short	w;
-	w = *((volatile unsigned short *) addr);
-	return(((w << 8) | (w >> 8)) & 0xffff);
-}
-
-static inline void smc_outl(unsigned long val, unsigned int addr)
-{
-	*((volatile unsigned long *) addr) = 
-		((val << 8) & 0xff000000) | ((val >> 8) & 0x00ff0000) |
-		((val << 8) & 0x0000ff00) | ((val >> 8) & 0x000000ff);
-}
-
-static inline void smc_outwd(unsigned int val, unsigned int addr)
-{
-	*((volatile unsigned short *) addr) = val;
-}
-
-
-/*
- *	The rep* functions are used to feed the data port with
- *	raw data. So we do not byte swap them when copying.
- */
-
-static inline void smc_insb(unsigned int addr, void *vbuf, int unsigned long len)
-{
-	volatile unsigned short	*rp;
-	unsigned short		*buf, *ebuf;
-
-	buf = (unsigned short *) vbuf;
-	rp = (volatile unsigned short *) addr;
-
-	/* Copy as words for as long as possible */
-	for (ebuf = buf + (len >> 1); (buf < ebuf); )
-		*buf++ = *rp;
-
-	/* Lastly, handle left over byte */
-	if (len & 0x1)
-		*((unsigned char *) buf) = (*rp >> 8) & 0xff;
-}
-
-static inline void smc_insw(unsigned int addr, void *vbuf, unsigned long len)
-{
-	volatile unsigned short	*rp;
-	unsigned short		*buf, *ebuf;
-
-	buf = (unsigned short *) vbuf;
-	rp = (volatile unsigned short *) addr;
-	for (ebuf = buf + len; (buf < ebuf); )
-		*buf++ = *rp;
-}
-
-static inline void smc_insl(unsigned int addr, void *vbuf, unsigned long len)
-{
-	volatile unsigned long	*rp;
-	unsigned long		*buf, *ebuf;
-
-	buf = (unsigned long *) vbuf;
-	rp = (volatile unsigned long *) addr;
-	for (ebuf = buf + len; (buf < ebuf); )
-		*buf++ = *rp;
-}
-
-static inline void smc_outsw(unsigned int addr, const void *vbuf, unsigned long len)
-{
-	volatile unsigned short	*rp;
-	unsigned short		*buf, *ebuf;
-
-	buf = (unsigned short *) vbuf;
-	rp = (volatile unsigned short *) addr;
-	for (ebuf = buf + len; (buf < ebuf); )
-		*rp = *buf++;
-}
-
-static inline void smc_outsl(unsigned int addr, void *vbuf, unsigned long len)
-{
-	volatile unsigned long	*rp;
-	unsigned long		*buf, *ebuf;
-
-	buf = (unsigned long *) vbuf;
-	rp = (volatile unsigned long *) addr;
-	for (ebuf = buf + len; (buf < ebuf); )
-		*rp = *buf++;
-}
-
-
-#ifdef CONFIG_NETtel
-/*
- *	Re-map the address space of at least one of the SMC ethernet
- *	parts. Both parts power up decoding the same address, so we
- *	need to move one of them first, before doing enything else.
- *
- *	We also increase the number of wait states for this part by one.
- */
-
-void smc_remap(unsigned int ioaddr)
-{
-	static int		once = 0;
-	extern unsigned short	ppdata;
-	if (once++ == 0) {
-		*((volatile unsigned short *)MCFSIM_PADDR) = 0x00ec;
-		ppdata |= 0x0080;
-		*((volatile unsigned short *)MCFSIM_PADAT) = ppdata;
-		outw(0x0001, ioaddr + BANK_SELECT);
-		outw(0x0001, ioaddr + BANK_SELECT);
-		outw(0x0067, ioaddr + BASE);
-
-		ppdata &= ~0x0080;
-		*((volatile unsigned short *)MCFSIM_PADAT) = ppdata;
-	}
-	
-	*((volatile unsigned short *)(MCF_MBAR+MCFSIM_CSCR3)) = 0x1180;
-}
-
-#endif
-
-/****************************************************************************/
-#endif	/* mcfsmc_h */

From 73a9983e6f77e347a8e04861c0d55936c01ce217 Mon Sep 17 00:00:00 2001
From: Philippe De Muyter <phdm@macqel.be>
Date: Wed, 19 May 2010 13:30:49 +0200
Subject: [PATCH 2826/3638] m68knommu: improve short help of
 m68knommu/Kconfig/RAMSIZE for '0' case

While it is explained in the long help text, meaning of '0' for RAMSIZE
is easily overlooked because is not mentioned in the short help text.
Add that.

Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68knommu/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
index 064f5913db1..efeb6033fc1 100644
--- a/arch/m68knommu/Kconfig
+++ b/arch/m68knommu/Kconfig
@@ -566,7 +566,7 @@ config RAMBASE
 	  processor address space.
 
 config RAMSIZE
-	hex "Size of RAM (in bytes)"
+	hex "Size of RAM (in bytes), or 0 for automatic"
 	default "0x400000"
 	help
 	  Define the size of the system RAM. If you select 0 then the

From 1693395511a2840f67dd3184212a072ac7f07524 Mon Sep 17 00:00:00 2001
From: Roland Dreier <rolandd@cisco.com>
Date: Sun, 23 May 2010 21:39:31 -0700
Subject: [PATCH 2827/3638] IB/mad: Make needlessly global
 mad_sendq_size/mad_recvq_size static

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/core/mad.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 6dc7b77d5d2..ef1304f151d 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -47,8 +47,8 @@ MODULE_DESCRIPTION("kernel IB MAD API");
 MODULE_AUTHOR("Hal Rosenstock");
 MODULE_AUTHOR("Sean Hefty");
 
-int mad_sendq_size = IB_MAD_QP_SEND_SIZE;
-int mad_recvq_size = IB_MAD_QP_RECV_SIZE;
+static int mad_sendq_size = IB_MAD_QP_SEND_SIZE;
+static int mad_recvq_size = IB_MAD_QP_RECV_SIZE;
 
 module_param_named(send_queue_size, mad_sendq_size, int, 0444);
 MODULE_PARM_DESC(send_queue_size, "Size of send queue in number of work requests");

From 7aa5ccaae6ae6cdf6973df3378fc63b508944ce6 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 22:01:57 +0200
Subject: [PATCH 2828/3638] arch/m68knommu/mm/fault.c: Checkpatch cleanup

arch/m68knommu/mm/fault.c:39: WARNING: space prohibited between function name and open parenthesis '('
arch/m68knommu/mm/fault.c:47: WARNING: braces {} are not necessary for any arm of this statement
arch/m68knommu/mm/fault.c:51: ERROR: space required after that ',' (ctx:VxV)

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68knommu/mm/fault.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/m68knommu/mm/fault.c b/arch/m68knommu/mm/fault.c
index 6f6673cb582..bc05cf74d9c 100644
--- a/arch/m68knommu/mm/fault.c
+++ b/arch/m68knommu/mm/fault.c
@@ -2,7 +2,7 @@
  *  linux/arch/m68knommu/mm/fault.c
  *
  *  Copyright (C) 1998  D. Jeff Dionne <jeff@lineo.ca>,
- *  Copyright (C) 2000  Lineo, Inc.  (www.lineo.com) 
+ *  Copyright (C) 2000  Lineo, Inc.  (www.lineo.com)
  *
  *  Based on:
  *
@@ -36,7 +36,7 @@ asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address,
 			      unsigned long error_code)
 {
 #ifdef DEBUG
-	printk (KERN_DEBUG "regs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld\n",
+	printk(KERN_DEBUG "regs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld\n",
 		regs->sr, regs->pc, address, error_code);
 #endif
 
@@ -44,11 +44,11 @@ asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address,
 	 * Oops. The kernel tried to access some bad page. We'll have to
 	 * terminate things with extreme prejudice.
 	 */
-	if ((unsigned long) address < PAGE_SIZE) {
+	if ((unsigned long) address < PAGE_SIZE)
 		printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference");
-	} else
+	else
 		printk(KERN_ALERT "Unable to handle kernel access");
-	printk(KERN_ALERT " at virtual address %08lx\n",address);
+	printk(KERN_ALERT " at virtual address %08lx\n", address);
 	die_if_kernel("Oops", regs, error_code);
 	do_exit(SIGKILL);
 

From 724b62b5f73e7d17c737ddb879e0543c886b20ce Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 22:01:58 +0200
Subject: [PATCH 2829/3638] arch/m68knommu/platform/68360/commproc.c:
 Checkpatch cleanup

Checkpatch cleanup

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68knommu/platform/68360/commproc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/m68knommu/platform/68360/commproc.c b/arch/m68knommu/platform/68360/commproc.c
index 6acb8d294cb..f27e688c404 100644
--- a/arch/m68knommu/platform/68360/commproc.c
+++ b/arch/m68knommu/platform/68360/commproc.c
@@ -110,7 +110,7 @@ void m360_cpm_reset()
 	/* 	pte = find_pte(&init_mm, host_page_addr); */
 	/* 	pte_val(*pte) |= _PAGE_NO_CACHE; */
 	/* 	flush_tlb_page(current->mm->mmap, host_buffer); */
-	
+
 	/* Tell everyone where the comm processor resides.
 	*/
 /* 	cpmp = (cpm360_t *)commproc; */
@@ -191,7 +191,7 @@ cpm_interrupt(int irq, void * dev, struct pt_regs * regs)
 	 */
 	((immap_t *)IMAP_ADDR)->im_cpic.cpic_cisr |= (1 << vec);
 #endif
-	
+
 }
 
 /* The CPM can generate the error interrupt when there is a race condition

From f931551bafe1f10ded7f5282e2aa162c267a2e5d Mon Sep 17 00:00:00 2001
From: Ralph Campbell <ralph.campbell@qlogic.com>
Date: Sun, 23 May 2010 21:44:54 -0700
Subject: [PATCH 2830/3638] IB/qib: Add new qib driver for QLogic PCIe
 InfiniBand adapters

Add a low-level IB driver for QLogic PCIe adapters.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/Kconfig                  |    1 +
 drivers/infiniband/Makefile                 |    1 +
 drivers/infiniband/hw/qib/Kconfig           |    7 +
 drivers/infiniband/hw/qib/Makefile          |   15 +
 drivers/infiniband/hw/qib/qib.h             | 1439 ++++
 drivers/infiniband/hw/qib/qib_6120_regs.h   |  977 +++
 drivers/infiniband/hw/qib/qib_7220.h        |  156 +
 drivers/infiniband/hw/qib/qib_7220_regs.h   | 1496 ++++
 drivers/infiniband/hw/qib/qib_7322_regs.h   | 3163 ++++++++
 drivers/infiniband/hw/qib/qib_common.h      |  758 ++
 drivers/infiniband/hw/qib/qib_cq.c          |  484 ++
 drivers/infiniband/hw/qib/qib_diag.c        |  894 ++
 drivers/infiniband/hw/qib/qib_dma.c         |  182 +
 drivers/infiniband/hw/qib/qib_driver.c      |  665 ++
 drivers/infiniband/hw/qib/qib_eeprom.c      |  451 ++
 drivers/infiniband/hw/qib/qib_file_ops.c    | 2317 ++++++
 drivers/infiniband/hw/qib/qib_fs.c          |  613 ++
 drivers/infiniband/hw/qib/qib_iba6120.c     | 3588 +++++++++
 drivers/infiniband/hw/qib/qib_iba7220.c     | 4618 +++++++++++
 drivers/infiniband/hw/qib/qib_iba7322.c     | 8058 +++++++++++++++++++
 drivers/infiniband/hw/qib/qib_init.c        | 1580 ++++
 drivers/infiniband/hw/qib/qib_intr.c        |  236 +
 drivers/infiniband/hw/qib/qib_keys.c        |  328 +
 drivers/infiniband/hw/qib/qib_mad.c         | 2173 +++++
 drivers/infiniband/hw/qib/qib_mad.h         |  373 +
 drivers/infiniband/hw/qib/qib_mmap.c        |  174 +
 drivers/infiniband/hw/qib/qib_mr.c          |  503 ++
 drivers/infiniband/hw/qib/qib_pcie.c        |  738 ++
 drivers/infiniband/hw/qib/qib_pio_copy.c    |   64 +
 drivers/infiniband/hw/qib/qib_qp.c          | 1255 +++
 drivers/infiniband/hw/qib/qib_qsfp.c        |  564 ++
 drivers/infiniband/hw/qib/qib_qsfp.h        |  184 +
 drivers/infiniband/hw/qib/qib_rc.c          | 2288 ++++++
 drivers/infiniband/hw/qib/qib_ruc.c         |  817 ++
 drivers/infiniband/hw/qib/qib_sd7220.c      | 1413 ++++
 drivers/infiniband/hw/qib/qib_sd7220_img.c  | 1081 +++
 drivers/infiniband/hw/qib/qib_sdma.c        |  973 +++
 drivers/infiniband/hw/qib/qib_srq.c         |  375 +
 drivers/infiniband/hw/qib/qib_sysfs.c       |  691 ++
 drivers/infiniband/hw/qib/qib_twsi.c        |  498 ++
 drivers/infiniband/hw/qib/qib_tx.c          |  557 ++
 drivers/infiniband/hw/qib/qib_uc.c          |  555 ++
 drivers/infiniband/hw/qib/qib_ud.c          |  607 ++
 drivers/infiniband/hw/qib/qib_user_pages.c  |  157 +
 drivers/infiniband/hw/qib/qib_user_sdma.c   |  897 +++
 drivers/infiniband/hw/qib/qib_user_sdma.h   |   52 +
 drivers/infiniband/hw/qib/qib_verbs.c       | 2248 ++++++
 drivers/infiniband/hw/qib/qib_verbs.h       | 1100 +++
 drivers/infiniband/hw/qib/qib_verbs_mcast.c |  368 +
 drivers/infiniband/hw/qib/qib_wc_ppc64.c    |   62 +
 drivers/infiniband/hw/qib/qib_wc_x86_64.c   |  171 +
 51 files changed, 52965 insertions(+)
 create mode 100644 drivers/infiniband/hw/qib/Kconfig
 create mode 100644 drivers/infiniband/hw/qib/Makefile
 create mode 100644 drivers/infiniband/hw/qib/qib.h
 create mode 100644 drivers/infiniband/hw/qib/qib_6120_regs.h
 create mode 100644 drivers/infiniband/hw/qib/qib_7220.h
 create mode 100644 drivers/infiniband/hw/qib/qib_7220_regs.h
 create mode 100644 drivers/infiniband/hw/qib/qib_7322_regs.h
 create mode 100644 drivers/infiniband/hw/qib/qib_common.h
 create mode 100644 drivers/infiniband/hw/qib/qib_cq.c
 create mode 100644 drivers/infiniband/hw/qib/qib_diag.c
 create mode 100644 drivers/infiniband/hw/qib/qib_dma.c
 create mode 100644 drivers/infiniband/hw/qib/qib_driver.c
 create mode 100644 drivers/infiniband/hw/qib/qib_eeprom.c
 create mode 100644 drivers/infiniband/hw/qib/qib_file_ops.c
 create mode 100644 drivers/infiniband/hw/qib/qib_fs.c
 create mode 100644 drivers/infiniband/hw/qib/qib_iba6120.c
 create mode 100644 drivers/infiniband/hw/qib/qib_iba7220.c
 create mode 100644 drivers/infiniband/hw/qib/qib_iba7322.c
 create mode 100644 drivers/infiniband/hw/qib/qib_init.c
 create mode 100644 drivers/infiniband/hw/qib/qib_intr.c
 create mode 100644 drivers/infiniband/hw/qib/qib_keys.c
 create mode 100644 drivers/infiniband/hw/qib/qib_mad.c
 create mode 100644 drivers/infiniband/hw/qib/qib_mad.h
 create mode 100644 drivers/infiniband/hw/qib/qib_mmap.c
 create mode 100644 drivers/infiniband/hw/qib/qib_mr.c
 create mode 100644 drivers/infiniband/hw/qib/qib_pcie.c
 create mode 100644 drivers/infiniband/hw/qib/qib_pio_copy.c
 create mode 100644 drivers/infiniband/hw/qib/qib_qp.c
 create mode 100644 drivers/infiniband/hw/qib/qib_qsfp.c
 create mode 100644 drivers/infiniband/hw/qib/qib_qsfp.h
 create mode 100644 drivers/infiniband/hw/qib/qib_rc.c
 create mode 100644 drivers/infiniband/hw/qib/qib_ruc.c
 create mode 100644 drivers/infiniband/hw/qib/qib_sd7220.c
 create mode 100644 drivers/infiniband/hw/qib/qib_sd7220_img.c
 create mode 100644 drivers/infiniband/hw/qib/qib_sdma.c
 create mode 100644 drivers/infiniband/hw/qib/qib_srq.c
 create mode 100644 drivers/infiniband/hw/qib/qib_sysfs.c
 create mode 100644 drivers/infiniband/hw/qib/qib_twsi.c
 create mode 100644 drivers/infiniband/hw/qib/qib_tx.c
 create mode 100644 drivers/infiniband/hw/qib/qib_uc.c
 create mode 100644 drivers/infiniband/hw/qib/qib_ud.c
 create mode 100644 drivers/infiniband/hw/qib/qib_user_pages.c
 create mode 100644 drivers/infiniband/hw/qib/qib_user_sdma.c
 create mode 100644 drivers/infiniband/hw/qib/qib_user_sdma.h
 create mode 100644 drivers/infiniband/hw/qib/qib_verbs.c
 create mode 100644 drivers/infiniband/hw/qib/qib_verbs.h
 create mode 100644 drivers/infiniband/hw/qib/qib_verbs_mcast.c
 create mode 100644 drivers/infiniband/hw/qib/qib_wc_ppc64.c
 create mode 100644 drivers/infiniband/hw/qib/qib_wc_x86_64.c

diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
index 330d2a42336..89d70de5e23 100644
--- a/drivers/infiniband/Kconfig
+++ b/drivers/infiniband/Kconfig
@@ -43,6 +43,7 @@ config INFINIBAND_ADDR_TRANS
 
 source "drivers/infiniband/hw/mthca/Kconfig"
 source "drivers/infiniband/hw/ipath/Kconfig"
+source "drivers/infiniband/hw/qib/Kconfig"
 source "drivers/infiniband/hw/ehca/Kconfig"
 source "drivers/infiniband/hw/amso1100/Kconfig"
 source "drivers/infiniband/hw/cxgb3/Kconfig"
diff --git a/drivers/infiniband/Makefile b/drivers/infiniband/Makefile
index 0c4e589d746..9cc7a47d3e6 100644
--- a/drivers/infiniband/Makefile
+++ b/drivers/infiniband/Makefile
@@ -1,6 +1,7 @@
 obj-$(CONFIG_INFINIBAND)		+= core/
 obj-$(CONFIG_INFINIBAND_MTHCA)		+= hw/mthca/
 obj-$(CONFIG_INFINIBAND_IPATH)		+= hw/ipath/
+obj-$(CONFIG_INFINIBAND_QIB)		+= hw/qib/
 obj-$(CONFIG_INFINIBAND_EHCA)		+= hw/ehca/
 obj-$(CONFIG_INFINIBAND_AMSO1100)	+= hw/amso1100/
 obj-$(CONFIG_INFINIBAND_CXGB3)		+= hw/cxgb3/
diff --git a/drivers/infiniband/hw/qib/Kconfig b/drivers/infiniband/hw/qib/Kconfig
new file mode 100644
index 00000000000..7c03a70c55a
--- /dev/null
+++ b/drivers/infiniband/hw/qib/Kconfig
@@ -0,0 +1,7 @@
+config INFINIBAND_QIB
+	tristate "QLogic PCIe HCA support"
+	depends on 64BIT && NET
+	---help---
+	This is a low-level driver for QLogic PCIe QLE InfiniBand host
+	channel adapters.  This driver does not support the QLogic
+	HyperTransport card (model QHT7140).
diff --git a/drivers/infiniband/hw/qib/Makefile b/drivers/infiniband/hw/qib/Makefile
new file mode 100644
index 00000000000..c6515a1b9a6
--- /dev/null
+++ b/drivers/infiniband/hw/qib/Makefile
@@ -0,0 +1,15 @@
+obj-$(CONFIG_INFINIBAND_QIB) += ib_qib.o
+
+ib_qib-y := qib_cq.o qib_diag.o qib_dma.o qib_driver.o qib_eeprom.o \
+	qib_file_ops.o qib_fs.o qib_init.o qib_intr.o qib_keys.o \
+	qib_mad.o qib_mmap.o qib_mr.o qib_pcie.o qib_pio_copy.o \
+	qib_qp.o qib_qsfp.o qib_rc.o qib_ruc.o qib_sdma.o qib_srq.o \
+	qib_sysfs.o qib_twsi.o qib_tx.o qib_uc.o qib_ud.o \
+	qib_user_pages.o qib_user_sdma.o qib_verbs_mcast.o qib_iba7220.o \
+	qib_sd7220.o qib_sd7220_img.o qib_iba7322.o qib_verbs.o
+
+# 6120 has no fallback if no MSI interrupts, others can do INTx
+ib_qib-$(CONFIG_PCI_MSI) += qib_iba6120.o
+
+ib_qib-$(CONFIG_X86_64) += qib_wc_x86_64.o
+ib_qib-$(CONFIG_PPC64) += qib_wc_ppc64.o
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
new file mode 100644
index 00000000000..32d9208efcf
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -0,0 +1,1439 @@
+#ifndef _QIB_KERNEL_H
+#define _QIB_KERNEL_H
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This header file is the base header file for qlogic_ib kernel code
+ * qib_user.h serves a similar purpose for user code.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include <linux/scatterlist.h>
+#include <linux/io.h>
+#include <linux/fs.h>
+#include <linux/completion.h>
+#include <linux/kref.h>
+#include <linux/sched.h>
+
+#include "qib_common.h"
+#include "qib_verbs.h"
+
+/* only s/w major version of QLogic_IB we can handle */
+#define QIB_CHIP_VERS_MAJ 2U
+
+/* don't care about this except printing */
+#define QIB_CHIP_VERS_MIN 0U
+
+/* The Organization Unique Identifier (Mfg code), and its position in GUID */
+#define QIB_OUI 0x001175
+#define QIB_OUI_LSB 40
+
+/*
+ * per driver stats, either not device nor port-specific, or
+ * summed over all of the devices and ports.
+ * They are described by name via ipathfs filesystem, so layout
+ * and number of elements can change without breaking compatibility.
+ * If members are added or deleted qib_statnames[] in qib_fs.c must
+ * change to match.
+ */
+struct qlogic_ib_stats {
+	__u64 sps_ints; /* number of interrupts handled */
+	__u64 sps_errints; /* number of error interrupts */
+	__u64 sps_txerrs; /* tx-related packet errors */
+	__u64 sps_rcverrs; /* non-crc rcv packet errors */
+	__u64 sps_hwerrs; /* hardware errors reported (parity, etc.) */
+	__u64 sps_nopiobufs; /* no pio bufs avail from kernel */
+	__u64 sps_ctxts; /* number of contexts currently open */
+	__u64 sps_lenerrs; /* number of kernel packets where RHF != LRH len */
+	__u64 sps_buffull;
+	__u64 sps_hdrfull;
+};
+
+extern struct qlogic_ib_stats qib_stats;
+extern struct pci_error_handlers qib_pci_err_handler;
+extern struct pci_driver qib_driver;
+
+#define QIB_CHIP_SWVERSION QIB_CHIP_VERS_MAJ
+/*
+ * First-cut critierion for "device is active" is
+ * two thousand dwords combined Tx, Rx traffic per
+ * 5-second interval. SMA packets are 64 dwords,
+ * and occur "a few per second", presumably each way.
+ */
+#define QIB_TRAFFIC_ACTIVE_THRESHOLD (2000)
+
+/*
+ * Struct used to indicate which errors are logged in each of the
+ * error-counters that are logged to EEPROM. A counter is incremented
+ * _once_ (saturating at 255) for each event with any bits set in
+ * the error or hwerror register masks below.
+ */
+#define QIB_EEP_LOG_CNT (4)
+struct qib_eep_log_mask {
+	u64 errs_to_log;
+	u64 hwerrs_to_log;
+};
+
+/*
+ * Below contains all data related to a single context (formerly called port).
+ */
+struct qib_ctxtdata {
+	void **rcvegrbuf;
+	dma_addr_t *rcvegrbuf_phys;
+	/* rcvhdrq base, needs mmap before useful */
+	void *rcvhdrq;
+	/* kernel virtual address where hdrqtail is updated */
+	void *rcvhdrtail_kvaddr;
+	/*
+	 * temp buffer for expected send setup, allocated at open, instead
+	 * of each setup call
+	 */
+	void *tid_pg_list;
+	/*
+	 * Shared page for kernel to signal user processes that send buffers
+	 * need disarming.  The process should call QIB_CMD_DISARM_BUFS
+	 * or QIB_CMD_ACK_EVENT with IPATH_EVENT_DISARM_BUFS set.
+	 */
+	unsigned long *user_event_mask;
+	/* when waiting for rcv or pioavail */
+	wait_queue_head_t wait;
+	/*
+	 * rcvegr bufs base, physical, must fit
+	 * in 44 bits so 32 bit programs mmap64 44 bit works)
+	 */
+	dma_addr_t rcvegr_phys;
+	/* mmap of hdrq, must fit in 44 bits */
+	dma_addr_t rcvhdrq_phys;
+	dma_addr_t rcvhdrqtailaddr_phys;
+
+	/*
+	 * number of opens (including slave sub-contexts) on this instance
+	 * (ignoring forks, dup, etc. for now)
+	 */
+	int cnt;
+	/*
+	 * how much space to leave at start of eager TID entries for
+	 * protocol use, on each TID
+	 */
+	/* instead of calculating it */
+	unsigned ctxt;
+	/* non-zero if ctxt is being shared. */
+	u16 subctxt_cnt;
+	/* non-zero if ctxt is being shared. */
+	u16 subctxt_id;
+	/* number of eager TID entries. */
+	u16 rcvegrcnt;
+	/* index of first eager TID entry. */
+	u16 rcvegr_tid_base;
+	/* number of pio bufs for this ctxt (all procs, if shared) */
+	u32 piocnt;
+	/* first pio buffer for this ctxt */
+	u32 pio_base;
+	/* chip offset of PIO buffers for this ctxt */
+	u32 piobufs;
+	/* how many alloc_pages() chunks in rcvegrbuf_pages */
+	u32 rcvegrbuf_chunks;
+	/* how many egrbufs per chunk */
+	u32 rcvegrbufs_perchunk;
+	/* order for rcvegrbuf_pages */
+	size_t rcvegrbuf_size;
+	/* rcvhdrq size (for freeing) */
+	size_t rcvhdrq_size;
+	/* per-context flags for fileops/intr communication */
+	unsigned long flag;
+	/* next expected TID to check when looking for free */
+	u32 tidcursor;
+	/* WAIT_RCV that timed out, no interrupt */
+	u32 rcvwait_to;
+	/* WAIT_PIO that timed out, no interrupt */
+	u32 piowait_to;
+	/* WAIT_RCV already happened, no wait */
+	u32 rcvnowait;
+	/* WAIT_PIO already happened, no wait */
+	u32 pionowait;
+	/* total number of polled urgent packets */
+	u32 urgent;
+	/* saved total number of polled urgent packets for poll edge trigger */
+	u32 urgent_poll;
+	/* pid of process using this ctxt */
+	pid_t pid;
+	pid_t subpid[QLOGIC_IB_MAX_SUBCTXT];
+	/* same size as task_struct .comm[], command that opened context */
+	char comm[16];
+	/* pkeys set by this use of this ctxt */
+	u16 pkeys[4];
+	/* so file ops can get at unit */
+	struct qib_devdata *dd;
+	/* so funcs that need physical port can get it easily */
+	struct qib_pportdata *ppd;
+	/* A page of memory for rcvhdrhead, rcvegrhead, rcvegrtail * N */
+	void *subctxt_uregbase;
+	/* An array of pages for the eager receive buffers * N */
+	void *subctxt_rcvegrbuf;
+	/* An array of pages for the eager header queue entries * N */
+	void *subctxt_rcvhdr_base;
+	/* The version of the library which opened this ctxt */
+	u32 userversion;
+	/* Bitmask of active slaves */
+	u32 active_slaves;
+	/* Type of packets or conditions we want to poll for */
+	u16 poll_type;
+	/* receive packet sequence counter */
+	u8 seq_cnt;
+	u8 redirect_seq_cnt;
+	/* ctxt rcvhdrq head offset */
+	u32 head;
+	u32 pkt_count;
+	/* QPs waiting for context processing */
+	struct list_head qp_wait_list;
+};
+
+struct qib_sge_state;
+
+struct qib_sdma_txreq {
+	int                 flags;
+	int                 sg_count;
+	dma_addr_t          addr;
+	void              (*callback)(struct qib_sdma_txreq *, int);
+	u16                 start_idx;  /* sdma private */
+	u16                 next_descq_idx;  /* sdma private */
+	struct list_head    list;       /* sdma private */
+};
+
+struct qib_sdma_desc {
+	__le64 qw[2];
+};
+
+struct qib_verbs_txreq {
+	struct qib_sdma_txreq   txreq;
+	struct qib_qp           *qp;
+	struct qib_swqe         *wqe;
+	u32                     dwords;
+	u16                     hdr_dwords;
+	u16                     hdr_inx;
+	struct qib_pio_header	*align_buf;
+	struct qib_mregion	*mr;
+	struct qib_sge_state    *ss;
+};
+
+#define QIB_SDMA_TXREQ_F_USELARGEBUF  0x1
+#define QIB_SDMA_TXREQ_F_HEADTOHOST   0x2
+#define QIB_SDMA_TXREQ_F_INTREQ       0x4
+#define QIB_SDMA_TXREQ_F_FREEBUF      0x8
+#define QIB_SDMA_TXREQ_F_FREEDESC     0x10
+
+#define QIB_SDMA_TXREQ_S_OK        0
+#define QIB_SDMA_TXREQ_S_SENDERROR 1
+#define QIB_SDMA_TXREQ_S_ABORTED   2
+#define QIB_SDMA_TXREQ_S_SHUTDOWN  3
+
+/*
+ * Get/Set IB link-level config parameters for f_get/set_ib_cfg()
+ * Mostly for MADs that set or query link parameters, also ipath
+ * config interfaces
+ */
+#define QIB_IB_CFG_LIDLMC 0 /* LID (LS16b) and Mask (MS16b) */
+#define QIB_IB_CFG_LWID_ENB 2 /* allowed Link-width */
+#define QIB_IB_CFG_LWID 3 /* currently active Link-width */
+#define QIB_IB_CFG_SPD_ENB 4 /* allowed Link speeds */
+#define QIB_IB_CFG_SPD 5 /* current Link spd */
+#define QIB_IB_CFG_RXPOL_ENB 6 /* Auto-RX-polarity enable */
+#define QIB_IB_CFG_LREV_ENB 7 /* Auto-Lane-reversal enable */
+#define QIB_IB_CFG_LINKLATENCY 8 /* Link Latency (IB1.2 only) */
+#define QIB_IB_CFG_HRTBT 9 /* IB heartbeat off/enable/auto; DDR/QDR only */
+#define QIB_IB_CFG_OP_VLS 10 /* operational VLs */
+#define QIB_IB_CFG_VL_HIGH_CAP 11 /* num of VL high priority weights */
+#define QIB_IB_CFG_VL_LOW_CAP 12 /* num of VL low priority weights */
+#define QIB_IB_CFG_OVERRUN_THRESH 13 /* IB overrun threshold */
+#define QIB_IB_CFG_PHYERR_THRESH 14 /* IB PHY error threshold */
+#define QIB_IB_CFG_LINKDEFAULT 15 /* IB link default (sleep/poll) */
+#define QIB_IB_CFG_PKEYS 16 /* update partition keys */
+#define QIB_IB_CFG_MTU 17 /* update MTU in IBC */
+#define QIB_IB_CFG_LSTATE 18 /* update linkcmd and linkinitcmd in IBC */
+#define QIB_IB_CFG_VL_HIGH_LIMIT 19
+#define QIB_IB_CFG_PMA_TICKS 20 /* PMA sample tick resolution */
+#define QIB_IB_CFG_PORT 21 /* switch port we are connected to */
+
+/*
+ * for CFG_LSTATE: LINKCMD in upper 16 bits, LINKINITCMD in lower 16
+ * IB_LINKINITCMD_POLL and SLEEP are also used as set/get values for
+ * QIB_IB_CFG_LINKDEFAULT cmd
+ */
+#define   IB_LINKCMD_DOWN   (0 << 16)
+#define   IB_LINKCMD_ARMED  (1 << 16)
+#define   IB_LINKCMD_ACTIVE (2 << 16)
+#define   IB_LINKINITCMD_NOP     0
+#define   IB_LINKINITCMD_POLL    1
+#define   IB_LINKINITCMD_SLEEP   2
+#define   IB_LINKINITCMD_DISABLE 3
+
+/*
+ * valid states passed to qib_set_linkstate() user call
+ */
+#define QIB_IB_LINKDOWN         0
+#define QIB_IB_LINKARM          1
+#define QIB_IB_LINKACTIVE       2
+#define QIB_IB_LINKDOWN_ONLY    3
+#define QIB_IB_LINKDOWN_SLEEP   4
+#define QIB_IB_LINKDOWN_DISABLE 5
+
+/*
+ * These 7 values (SDR, DDR, and QDR may be ORed for auto-speed
+ * negotiation) are used for the 3rd argument to path_f_set_ib_cfg
+ * with cmd QIB_IB_CFG_SPD_ENB, by direct calls or via sysfs.  They
+ * are also the the possible values for qib_link_speed_enabled and active
+ * The values were chosen to match values used within the IB spec.
+ */
+#define QIB_IB_SDR 1
+#define QIB_IB_DDR 2
+#define QIB_IB_QDR 4
+
+#define QIB_DEFAULT_MTU 4096
+
+/*
+ * Possible IB config parameters for f_get/set_ib_table()
+ */
+#define QIB_IB_TBL_VL_HIGH_ARB 1 /* Get/set VL high priority weights */
+#define QIB_IB_TBL_VL_LOW_ARB 2 /* Get/set VL low priority weights */
+
+/*
+ * Possible "operations" for f_rcvctrl(ppd, op, ctxt)
+ * these are bits so they can be combined, e.g.
+ * QIB_RCVCTRL_INTRAVAIL_ENB | QIB_RCVCTRL_CTXT_ENB
+ */
+#define QIB_RCVCTRL_TAILUPD_ENB 0x01
+#define QIB_RCVCTRL_TAILUPD_DIS 0x02
+#define QIB_RCVCTRL_CTXT_ENB 0x04
+#define QIB_RCVCTRL_CTXT_DIS 0x08
+#define QIB_RCVCTRL_INTRAVAIL_ENB 0x10
+#define QIB_RCVCTRL_INTRAVAIL_DIS 0x20
+#define QIB_RCVCTRL_PKEY_ENB 0x40  /* Note, default is enabled */
+#define QIB_RCVCTRL_PKEY_DIS 0x80
+#define QIB_RCVCTRL_BP_ENB 0x0100
+#define QIB_RCVCTRL_BP_DIS 0x0200
+#define QIB_RCVCTRL_TIDFLOW_ENB 0x0400
+#define QIB_RCVCTRL_TIDFLOW_DIS 0x0800
+
+/*
+ * Possible "operations" for f_sendctrl(ppd, op, var)
+ * these are bits so they can be combined, e.g.
+ * QIB_SENDCTRL_BUFAVAIL_ENB | QIB_SENDCTRL_ENB
+ * Some operations (e.g. DISARM, ABORT) are known to
+ * be "one-shot", so do not modify shadow.
+ */
+#define QIB_SENDCTRL_DISARM       (0x1000)
+#define QIB_SENDCTRL_DISARM_BUF(bufn) ((bufn) | QIB_SENDCTRL_DISARM)
+	/* available (0x2000) */
+#define QIB_SENDCTRL_AVAIL_DIS    (0x4000)
+#define QIB_SENDCTRL_AVAIL_ENB    (0x8000)
+#define QIB_SENDCTRL_AVAIL_BLIP  (0x10000)
+#define QIB_SENDCTRL_SEND_DIS    (0x20000)
+#define QIB_SENDCTRL_SEND_ENB    (0x40000)
+#define QIB_SENDCTRL_FLUSH       (0x80000)
+#define QIB_SENDCTRL_CLEAR      (0x100000)
+#define QIB_SENDCTRL_DISARM_ALL (0x200000)
+
+/*
+ * These are the generic indices for requesting per-port
+ * counter values via the f_portcntr function.  They
+ * are always returned as 64 bit values, although most
+ * are 32 bit counters.
+ */
+/* send-related counters */
+#define QIBPORTCNTR_PKTSEND         0U
+#define QIBPORTCNTR_WORDSEND        1U
+#define QIBPORTCNTR_PSXMITDATA      2U
+#define QIBPORTCNTR_PSXMITPKTS      3U
+#define QIBPORTCNTR_PSXMITWAIT      4U
+#define QIBPORTCNTR_SENDSTALL       5U
+/* receive-related counters */
+#define QIBPORTCNTR_PKTRCV          6U
+#define QIBPORTCNTR_PSRCVDATA       7U
+#define QIBPORTCNTR_PSRCVPKTS       8U
+#define QIBPORTCNTR_RCVEBP          9U
+#define QIBPORTCNTR_RCVOVFL         10U
+#define QIBPORTCNTR_WORDRCV         11U
+/* IB link related error counters */
+#define QIBPORTCNTR_RXLOCALPHYERR   12U
+#define QIBPORTCNTR_RXVLERR         13U
+#define QIBPORTCNTR_ERRICRC         14U
+#define QIBPORTCNTR_ERRVCRC         15U
+#define QIBPORTCNTR_ERRLPCRC        16U
+#define QIBPORTCNTR_BADFORMAT       17U
+#define QIBPORTCNTR_ERR_RLEN        18U
+#define QIBPORTCNTR_IBSYMBOLERR     19U
+#define QIBPORTCNTR_INVALIDRLEN     20U
+#define QIBPORTCNTR_UNSUPVL         21U
+#define QIBPORTCNTR_EXCESSBUFOVFL   22U
+#define QIBPORTCNTR_ERRLINK         23U
+#define QIBPORTCNTR_IBLINKDOWN      24U
+#define QIBPORTCNTR_IBLINKERRRECOV  25U
+#define QIBPORTCNTR_LLI             26U
+/* other error counters */
+#define QIBPORTCNTR_RXDROPPKT       27U
+#define QIBPORTCNTR_VL15PKTDROP     28U
+#define QIBPORTCNTR_ERRPKEY         29U
+#define QIBPORTCNTR_KHDROVFL        30U
+/* sampling counters (these are actually control registers) */
+#define QIBPORTCNTR_PSINTERVAL      31U
+#define QIBPORTCNTR_PSSTART         32U
+#define QIBPORTCNTR_PSSTAT          33U
+
+/* how often we check for packet activity for "power on hours (in seconds) */
+#define ACTIVITY_TIMER 5
+
+/* Below is an opaque struct. Each chip (device) can maintain
+ * private data needed for its operation, but not germane to the
+ * rest of the driver.  For convenience, we define another that
+ * is chip-specific, per-port
+ */
+struct qib_chip_specific;
+struct qib_chipport_specific;
+
+enum qib_sdma_states {
+	qib_sdma_state_s00_hw_down,
+	qib_sdma_state_s10_hw_start_up_wait,
+	qib_sdma_state_s20_idle,
+	qib_sdma_state_s30_sw_clean_up_wait,
+	qib_sdma_state_s40_hw_clean_up_wait,
+	qib_sdma_state_s50_hw_halt_wait,
+	qib_sdma_state_s99_running,
+};
+
+enum qib_sdma_events {
+	qib_sdma_event_e00_go_hw_down,
+	qib_sdma_event_e10_go_hw_start,
+	qib_sdma_event_e20_hw_started,
+	qib_sdma_event_e30_go_running,
+	qib_sdma_event_e40_sw_cleaned,
+	qib_sdma_event_e50_hw_cleaned,
+	qib_sdma_event_e60_hw_halted,
+	qib_sdma_event_e70_go_idle,
+	qib_sdma_event_e7220_err_halted,
+	qib_sdma_event_e7322_err_halted,
+	qib_sdma_event_e90_timer_tick,
+};
+
+extern char *qib_sdma_state_names[];
+extern char *qib_sdma_event_names[];
+
+struct sdma_set_state_action {
+	unsigned op_enable:1;
+	unsigned op_intenable:1;
+	unsigned op_halt:1;
+	unsigned op_drain:1;
+	unsigned go_s99_running_tofalse:1;
+	unsigned go_s99_running_totrue:1;
+};
+
+struct qib_sdma_state {
+	struct kref          kref;
+	struct completion    comp;
+	enum qib_sdma_states current_state;
+	struct sdma_set_state_action *set_state_action;
+	unsigned             current_op;
+	unsigned             go_s99_running;
+	unsigned             first_sendbuf;
+	unsigned             last_sendbuf; /* really last +1 */
+	/* debugging/devel */
+	enum qib_sdma_states previous_state;
+	unsigned             previous_op;
+	enum qib_sdma_events last_event;
+};
+
+struct xmit_wait {
+	struct timer_list timer;
+	u64 counter;
+	u8 flags;
+	struct cache {
+		u64 psxmitdata;
+		u64 psrcvdata;
+		u64 psxmitpkts;
+		u64 psrcvpkts;
+		u64 psxmitwait;
+	} counter_cache;
+};
+
+/*
+ * The structure below encapsulates data relevant to a physical IB Port.
+ * Current chips support only one such port, but the separation
+ * clarifies things a bit. Note that to conform to IB conventions,
+ * port-numbers are one-based. The first or only port is port1.
+ */
+struct qib_pportdata {
+	struct qib_ibport ibport_data;
+
+	struct qib_devdata *dd;
+	struct qib_chippport_specific *cpspec; /* chip-specific per-port */
+	struct kobject pport_kobj;
+	struct kobject sl2vl_kobj;
+	struct kobject diagc_kobj;
+
+	/* GUID for this interface, in network order */
+	__be64 guid;
+
+	/* QIB_POLL, etc. link-state specific flags, per port */
+	u32 lflags;
+	/* qib_lflags driver is waiting for */
+	u32 state_wanted;
+	spinlock_t lflags_lock;
+	/* number of (port-specific) interrupts for this port -- saturates... */
+	u32 int_counter;
+
+	/* ref count for each pkey */
+	atomic_t pkeyrefs[4];
+
+	/*
+	 * this address is mapped readonly into user processes so they can
+	 * get status cheaply, whenever they want.  One qword of status per port
+	 */
+	u64 *statusp;
+
+	/* SendDMA related entries */
+	spinlock_t            sdma_lock;
+	struct qib_sdma_state sdma_state;
+	unsigned long         sdma_buf_jiffies;
+	struct qib_sdma_desc *sdma_descq;
+	u64                   sdma_descq_added;
+	u64                   sdma_descq_removed;
+	u16                   sdma_descq_cnt;
+	u16                   sdma_descq_tail;
+	u16                   sdma_descq_head;
+	u16                   sdma_next_intr;
+	u16                   sdma_reset_wait;
+	u8                    sdma_generation;
+	struct tasklet_struct sdma_sw_clean_up_task;
+	struct list_head      sdma_activelist;
+
+	dma_addr_t       sdma_descq_phys;
+	volatile __le64 *sdma_head_dma; /* DMA'ed by chip */
+	dma_addr_t       sdma_head_phys;
+
+	wait_queue_head_t state_wait; /* for state_wanted */
+
+	/* HoL blocking for SMP replies */
+	unsigned          hol_state;
+	struct timer_list hol_timer;
+
+	/*
+	 * Shadow copies of registers; size indicates read access size.
+	 * Most of them are readonly, but some are write-only register,
+	 * where we manipulate the bits in the shadow copy, and then write
+	 * the shadow copy to qlogic_ib.
+	 *
+	 * We deliberately make most of these 32 bits, since they have
+	 * restricted range.  For any that we read, we won't to generate 32
+	 * bit accesses, since Opteron will generate 2 separate 32 bit HT
+	 * transactions for a 64 bit read, and we want to avoid unnecessary
+	 * bus transactions.
+	 */
+
+	/* This is the 64 bit group */
+	/* last ibcstatus.  opaque outside chip-specific code */
+	u64 lastibcstat;
+
+	/* these are the "32 bit" regs */
+
+	/*
+	 * the following two are 32-bit bitmasks, but {test,clear,set}_bit
+	 * all expect bit fields to be "unsigned long"
+	 */
+	unsigned long p_rcvctrl; /* shadow per-port rcvctrl */
+	unsigned long p_sendctrl; /* shadow per-port sendctrl */
+
+	u32 ibmtu; /* The MTU programmed for this unit */
+	/*
+	 * Current max size IB packet (in bytes) including IB headers, that
+	 * we can send. Changes when ibmtu changes.
+	 */
+	u32 ibmaxlen;
+	/*
+	 * ibmaxlen at init time, limited by chip and by receive buffer
+	 * size.  Not changed after init.
+	 */
+	u32 init_ibmaxlen;
+	/* LID programmed for this instance */
+	u16 lid;
+	/* list of pkeys programmed; 0 if not set */
+	u16 pkeys[4];
+	/* LID mask control */
+	u8 lmc;
+	u8 link_width_supported;
+	u8 link_speed_supported;
+	u8 link_width_enabled;
+	u8 link_speed_enabled;
+	u8 link_width_active;
+	u8 link_speed_active;
+	u8 vls_supported;
+	u8 vls_operational;
+	/* Rx Polarity inversion (compensate for ~tx on partner) */
+	u8 rx_pol_inv;
+
+	u8 hw_pidx;     /* physical port index */
+	u8 port;        /* IB port number and index into dd->pports - 1 */
+
+	u8 delay_mult;
+
+	/* used to override LED behavior */
+	u8 led_override;  /* Substituted for normal value, if non-zero */
+	u16 led_override_timeoff; /* delta to next timer event */
+	u8 led_override_vals[2]; /* Alternates per blink-frame */
+	u8 led_override_phase; /* Just counts, LSB picks from vals[] */
+	atomic_t led_override_timer_active;
+	/* Used to flash LEDs in override mode */
+	struct timer_list led_override_timer;
+	struct xmit_wait cong_stats;
+	struct timer_list symerr_clear_timer;
+};
+
+/* Observers. Not to be taken lightly, possibly not to ship. */
+/*
+ * If a diag read or write is to (bottom <= offset <= top),
+ * the "hoook" is called, allowing, e.g. shadows to be
+ * updated in sync with the driver. struct diag_observer
+ * is the "visible" part.
+ */
+struct diag_observer;
+
+typedef int (*diag_hook) (struct qib_devdata *dd,
+	const struct diag_observer *op,
+	u32 offs, u64 *data, u64 mask, int only_32);
+
+struct diag_observer {
+	diag_hook hook;
+	u32 bottom;
+	u32 top;
+};
+
+extern int qib_register_observer(struct qib_devdata *dd,
+	const struct diag_observer *op);
+
+/* Only declared here, not defined. Private to diags */
+struct diag_observer_list_elt;
+
+/* device data struct now contains only "general per-device" info.
+ * fields related to a physical IB port are in a qib_pportdata struct,
+ * described above) while fields only used by a particualr chip-type are in
+ * a qib_chipdata struct, whose contents are opaque to this file.
+ */
+struct qib_devdata {
+	struct qib_ibdev verbs_dev;     /* must be first */
+	struct list_head list;
+	/* pointers to related structs for this device */
+	/* pci access data structure */
+	struct pci_dev *pcidev;
+	struct cdev *user_cdev;
+	struct cdev *diag_cdev;
+	struct device *user_device;
+	struct device *diag_device;
+
+	/* mem-mapped pointer to base of chip regs */
+	u64 __iomem *kregbase;
+	/* end of mem-mapped chip space excluding sendbuf and user regs */
+	u64 __iomem *kregend;
+	/* physical address of chip for io_remap, etc. */
+	resource_size_t physaddr;
+	/* qib_cfgctxts pointers */
+	struct qib_ctxtdata **rcd; /* Receive Context Data */
+
+	/* qib_pportdata, points to array of (physical) port-specific
+	 * data structs, indexed by pidx (0..n-1)
+	 */
+	struct qib_pportdata *pport;
+	struct qib_chip_specific *cspec; /* chip-specific */
+
+	/* kvirt address of 1st 2k pio buffer */
+	void __iomem *pio2kbase;
+	/* kvirt address of 1st 4k pio buffer */
+	void __iomem *pio4kbase;
+	/* mem-mapped pointer to base of PIO buffers (if using WC PAT) */
+	void __iomem *piobase;
+	/* mem-mapped pointer to base of user chip regs (if using WC PAT) */
+	u64 __iomem *userbase;
+	/*
+	 * points to area where PIOavail registers will be DMA'ed.
+	 * Has to be on a page of it's own, because the page will be
+	 * mapped into user program space.  This copy is *ONLY* ever
+	 * written by DMA, not by the driver!  Need a copy per device
+	 * when we get to multiple devices
+	 */
+	volatile __le64 *pioavailregs_dma; /* DMA'ed by chip */
+	/* physical address where updates occur */
+	dma_addr_t pioavailregs_phys;
+
+	/* device-specific implementations of functions needed by
+	 * common code. Contrary to previous consensus, we can't
+	 * really just point to a device-specific table, because we
+	 * may need to "bend", e.g. *_f_put_tid
+	 */
+	/* fallback to alternate interrupt type if possible */
+	int (*f_intr_fallback)(struct qib_devdata *);
+	/* hard reset chip */
+	int (*f_reset)(struct qib_devdata *);
+	void (*f_quiet_serdes)(struct qib_pportdata *);
+	int (*f_bringup_serdes)(struct qib_pportdata *);
+	int (*f_early_init)(struct qib_devdata *);
+	void (*f_clear_tids)(struct qib_devdata *, struct qib_ctxtdata *);
+	void (*f_put_tid)(struct qib_devdata *, u64 __iomem*,
+				u32, unsigned long);
+	void (*f_cleanup)(struct qib_devdata *);
+	void (*f_setextled)(struct qib_pportdata *, u32);
+	/* fill out chip-specific fields */
+	int (*f_get_base_info)(struct qib_ctxtdata *, struct qib_base_info *);
+	/* free irq */
+	void (*f_free_irq)(struct qib_devdata *);
+	struct qib_message_header *(*f_get_msgheader)
+					(struct qib_devdata *, __le32 *);
+	void (*f_config_ctxts)(struct qib_devdata *);
+	int (*f_get_ib_cfg)(struct qib_pportdata *, int);
+	int (*f_set_ib_cfg)(struct qib_pportdata *, int, u32);
+	int (*f_set_ib_loopback)(struct qib_pportdata *, const char *);
+	int (*f_get_ib_table)(struct qib_pportdata *, int, void *);
+	int (*f_set_ib_table)(struct qib_pportdata *, int, void *);
+	u32 (*f_iblink_state)(u64);
+	u8 (*f_ibphys_portstate)(u64);
+	void (*f_xgxs_reset)(struct qib_pportdata *);
+	/* per chip actions needed for IB Link up/down changes */
+	int (*f_ib_updown)(struct qib_pportdata *, int, u64);
+	u32 __iomem *(*f_getsendbuf)(struct qib_pportdata *, u64, u32 *);
+	/* Read/modify/write of GPIO pins (potentially chip-specific */
+	int (*f_gpio_mod)(struct qib_devdata *dd, u32 out, u32 dir,
+		u32 mask);
+	/* Enable writes to config EEPROM (if supported) */
+	int (*f_eeprom_wen)(struct qib_devdata *dd, int wen);
+	/*
+	 * modify rcvctrl shadow[s] and write to appropriate chip-regs.
+	 * see above QIB_RCVCTRL_xxx_ENB/DIS for operations.
+	 * (ctxt == -1) means "all contexts", only meaningful for
+	 * clearing. Could remove if chip_spec shutdown properly done.
+	 */
+	void (*f_rcvctrl)(struct qib_pportdata *, unsigned int op,
+		int ctxt);
+	/* Read/modify/write sendctrl appropriately for op and port. */
+	void (*f_sendctrl)(struct qib_pportdata *, u32 op);
+	void (*f_set_intr_state)(struct qib_devdata *, u32);
+	void (*f_set_armlaunch)(struct qib_devdata *, u32);
+	void (*f_wantpiobuf_intr)(struct qib_devdata *, u32);
+	int (*f_late_initreg)(struct qib_devdata *);
+	int (*f_init_sdma_regs)(struct qib_pportdata *);
+	u16 (*f_sdma_gethead)(struct qib_pportdata *);
+	int (*f_sdma_busy)(struct qib_pportdata *);
+	void (*f_sdma_update_tail)(struct qib_pportdata *, u16);
+	void (*f_sdma_set_desc_cnt)(struct qib_pportdata *, unsigned);
+	void (*f_sdma_sendctrl)(struct qib_pportdata *, unsigned);
+	void (*f_sdma_hw_clean_up)(struct qib_pportdata *);
+	void (*f_sdma_hw_start_up)(struct qib_pportdata *);
+	void (*f_sdma_init_early)(struct qib_pportdata *);
+	void (*f_set_cntr_sample)(struct qib_pportdata *, u32, u32);
+	void (*f_update_usrhead)(struct qib_ctxtdata *, u64, u32, u32);
+	u32 (*f_hdrqempty)(struct qib_ctxtdata *);
+	u64 (*f_portcntr)(struct qib_pportdata *, u32);
+	u32 (*f_read_cntrs)(struct qib_devdata *, loff_t, char **,
+		u64 **);
+	u32 (*f_read_portcntrs)(struct qib_devdata *, loff_t, u32,
+		char **, u64 **);
+	u32 (*f_setpbc_control)(struct qib_pportdata *, u32, u8, u8);
+	void (*f_initvl15_bufs)(struct qib_devdata *);
+	void (*f_init_ctxt)(struct qib_ctxtdata *);
+	void (*f_txchk_change)(struct qib_devdata *, u32, u32, u32,
+		struct qib_ctxtdata *);
+	void (*f_writescratch)(struct qib_devdata *, u32);
+	int (*f_tempsense_rd)(struct qib_devdata *, int regnum);
+
+	char *boardname; /* human readable board info */
+
+	/* template for writing TIDs  */
+	u64 tidtemplate;
+	/* value to write to free TIDs */
+	u64 tidinvalid;
+
+	/* number of registers used for pioavail */
+	u32 pioavregs;
+	/* device (not port) flags, basically device capabilities */
+	u32 flags;
+	/* last buffer for user use */
+	u32 lastctxt_piobuf;
+
+	/* saturating counter of (non-port-specific) device interrupts */
+	u32 int_counter;
+
+	/* pio bufs allocated per ctxt */
+	u32 pbufsctxt;
+	/* if remainder on bufs/ctxt, ctxts < extrabuf get 1 extra */
+	u32 ctxts_extrabuf;
+	/*
+	 * number of ctxts configured as max; zero is set to number chip
+	 * supports, less gives more pio bufs/ctxt, etc.
+	 */
+	u32 cfgctxts;
+
+	/*
+	 * hint that we should update pioavailshadow before
+	 * looking for a PIO buffer
+	 */
+	u32 upd_pio_shadow;
+
+	/* internal debugging stats */
+	u32 maxpkts_call;
+	u32 avgpkts_call;
+	u64 nopiobufs;
+
+	/* PCI Vendor ID (here for NodeInfo) */
+	u16 vendorid;
+	/* PCI Device ID (here for NodeInfo) */
+	u16 deviceid;
+	/* for write combining settings */
+	unsigned long wc_cookie;
+	unsigned long wc_base;
+	unsigned long wc_len;
+
+	/* shadow copy of struct page *'s for exp tid pages */
+	struct page **pageshadow;
+	/* shadow copy of dma handles for exp tid pages */
+	dma_addr_t *physshadow;
+	u64 __iomem *egrtidbase;
+	spinlock_t sendctrl_lock; /* protect changes to sendctrl shadow */
+	/* around rcd and (user ctxts) ctxt_cnt use (intr vs free) */
+	spinlock_t uctxt_lock; /* rcd and user context changes */
+	/*
+	 * per unit status, see also portdata statusp
+	 * mapped readonly into user processes so they can get unit and
+	 * IB link status cheaply
+	 */
+	u64 *devstatusp;
+	char *freezemsg; /* freeze msg if hw error put chip in freeze */
+	u32 freezelen; /* max length of freezemsg */
+	/* timer used to prevent stats overflow, error throttling, etc. */
+	struct timer_list stats_timer;
+
+	/* timer to verify interrupts work, and fallback if possible */
+	struct timer_list intrchk_timer;
+	unsigned long ureg_align; /* user register alignment */
+
+	/*
+	 * Protects pioavailshadow, pioavailkernel, pio_need_disarm, and
+	 * pio_writing.
+	 */
+	spinlock_t pioavail_lock;
+
+	/*
+	 * Shadow copies of registers; size indicates read access size.
+	 * Most of them are readonly, but some are write-only register,
+	 * where we manipulate the bits in the shadow copy, and then write
+	 * the shadow copy to qlogic_ib.
+	 *
+	 * We deliberately make most of these 32 bits, since they have
+	 * restricted range.  For any that we read, we won't to generate 32
+	 * bit accesses, since Opteron will generate 2 separate 32 bit HT
+	 * transactions for a 64 bit read, and we want to avoid unnecessary
+	 * bus transactions.
+	 */
+
+	/* This is the 64 bit group */
+
+	unsigned long pioavailshadow[6];
+	/* bitmap of send buffers available for the kernel to use with PIO. */
+	unsigned long pioavailkernel[6];
+	/* bitmap of send buffers which need to be disarmed. */
+	unsigned long pio_need_disarm[3];
+	/* bitmap of send buffers which are being written to. */
+	unsigned long pio_writing[3];
+	/* kr_revision shadow */
+	u64 revision;
+	/* Base GUID for device (from eeprom, network order) */
+	__be64 base_guid;
+
+	/*
+	 * kr_sendpiobufbase value (chip offset of pio buffers), and the
+	 * base of the 2KB buffer s(user processes only use 2K)
+	 */
+	u64 piobufbase;
+	u32 pio2k_bufbase;
+
+	/* these are the "32 bit" regs */
+
+	/* number of GUIDs in the flash for this interface */
+	u32 nguid;
+	/*
+	 * the following two are 32-bit bitmasks, but {test,clear,set}_bit
+	 * all expect bit fields to be "unsigned long"
+	 */
+	unsigned long rcvctrl; /* shadow per device rcvctrl */
+	unsigned long sendctrl; /* shadow per device sendctrl */
+
+	/* value we put in kr_rcvhdrcnt */
+	u32 rcvhdrcnt;
+	/* value we put in kr_rcvhdrsize */
+	u32 rcvhdrsize;
+	/* value we put in kr_rcvhdrentsize */
+	u32 rcvhdrentsize;
+	/* kr_ctxtcnt value */
+	u32 ctxtcnt;
+	/* kr_pagealign value */
+	u32 palign;
+	/* number of "2KB" PIO buffers */
+	u32 piobcnt2k;
+	/* size in bytes of "2KB" PIO buffers */
+	u32 piosize2k;
+	/* max usable size in dwords of a "2KB" PIO buffer before going "4KB" */
+	u32 piosize2kmax_dwords;
+	/* number of "4KB" PIO buffers */
+	u32 piobcnt4k;
+	/* size in bytes of "4KB" PIO buffers */
+	u32 piosize4k;
+	/* kr_rcvegrbase value */
+	u32 rcvegrbase;
+	/* kr_rcvtidbase value */
+	u32 rcvtidbase;
+	/* kr_rcvtidcnt value */
+	u32 rcvtidcnt;
+	/* kr_userregbase */
+	u32 uregbase;
+	/* shadow the control register contents */
+	u32 control;
+
+	/* chip address space used by 4k pio buffers */
+	u32 align4k;
+	/* size of each rcvegrbuffer */
+	u32 rcvegrbufsize;
+	/* localbus width (1, 2,4,8,16,32) from config space  */
+	u32 lbus_width;
+	/* localbus speed in MHz */
+	u32 lbus_speed;
+	int unit; /* unit # of this chip */
+
+	/* start of CHIP_SPEC move to chipspec, but need code changes */
+	/* low and high portions of MSI capability/vector */
+	u32 msi_lo;
+	/* saved after PCIe init for restore after reset */
+	u32 msi_hi;
+	/* MSI data (vector) saved for restore */
+	u16 msi_data;
+	/* so we can rewrite it after a chip reset */
+	u32 pcibar0;
+	/* so we can rewrite it after a chip reset */
+	u32 pcibar1;
+	u64 rhdrhead_intr_off;
+
+	/*
+	 * ASCII serial number, from flash, large enough for original
+	 * all digit strings, and longer QLogic serial number format
+	 */
+	u8 serial[16];
+	/* human readable board version */
+	u8 boardversion[96];
+	u8 lbus_info[32]; /* human readable localbus info */
+	/* chip major rev, from qib_revision */
+	u8 majrev;
+	/* chip minor rev, from qib_revision */
+	u8 minrev;
+
+	/* Misc small ints */
+	/* Number of physical ports available */
+	u8 num_pports;
+	/* Lowest context number which can be used by user processes */
+	u8 first_user_ctxt;
+	u8 n_krcv_queues;
+	u8 qpn_mask;
+	u8 skip_kctxt_mask;
+
+	u16 rhf_offset; /* offset of RHF within receive header entry */
+
+	/*
+	 * GPIO pins for twsi-connected devices, and device code for eeprom
+	 */
+	u8 gpio_sda_num;
+	u8 gpio_scl_num;
+	u8 twsi_eeprom_dev;
+	u8 board_atten;
+
+	/* Support (including locks) for EEPROM logging of errors and time */
+	/* control access to actual counters, timer */
+	spinlock_t eep_st_lock;
+	/* control high-level access to EEPROM */
+	struct mutex eep_lock;
+	uint64_t traffic_wds;
+	/* active time is kept in seconds, but logged in hours */
+	atomic_t active_time;
+	/* Below are nominal shadow of EEPROM, new since last EEPROM update */
+	uint8_t eep_st_errs[QIB_EEP_LOG_CNT];
+	uint8_t eep_st_new_errs[QIB_EEP_LOG_CNT];
+	uint16_t eep_hrs;
+	/*
+	 * masks for which bits of errs, hwerrs that cause
+	 * each of the counters to increment.
+	 */
+	struct qib_eep_log_mask eep_st_masks[QIB_EEP_LOG_CNT];
+	struct qib_diag_client *diag_client;
+	spinlock_t qib_diag_trans_lock; /* protect diag observer ops */
+	struct diag_observer_list_elt *diag_observer_list;
+
+	u8 psxmitwait_supported;
+	/* cycle length of PS* counters in HW (in picoseconds) */
+	u16 psxmitwait_check_rate;
+};
+
+/* hol_state values */
+#define QIB_HOL_UP       0
+#define QIB_HOL_INIT     1
+
+#define QIB_SDMA_SENDCTRL_OP_ENABLE    (1U << 0)
+#define QIB_SDMA_SENDCTRL_OP_INTENABLE (1U << 1)
+#define QIB_SDMA_SENDCTRL_OP_HALT      (1U << 2)
+#define QIB_SDMA_SENDCTRL_OP_CLEANUP   (1U << 3)
+#define QIB_SDMA_SENDCTRL_OP_DRAIN     (1U << 4)
+
+/* operation types for f_txchk_change() */
+#define TXCHK_CHG_TYPE_DIS1  3
+#define TXCHK_CHG_TYPE_ENAB1 2
+#define TXCHK_CHG_TYPE_KERN  1
+#define TXCHK_CHG_TYPE_USER  0
+
+#define QIB_CHASE_TIME msecs_to_jiffies(145)
+#define QIB_CHASE_DIS_TIME msecs_to_jiffies(160)
+
+/* Private data for file operations */
+struct qib_filedata {
+	struct qib_ctxtdata *rcd;
+	unsigned subctxt;
+	unsigned tidcursor;
+	struct qib_user_sdma_queue *pq;
+	int rec_cpu_num; /* for cpu affinity; -1 if none */
+};
+
+extern struct list_head qib_dev_list;
+extern spinlock_t qib_devs_lock;
+extern struct qib_devdata *qib_lookup(int unit);
+extern u32 qib_cpulist_count;
+extern unsigned long *qib_cpulist;
+
+extern unsigned qib_wc_pat;
+int qib_init(struct qib_devdata *, int);
+int init_chip_wc_pat(struct qib_devdata *dd, u32);
+int qib_enable_wc(struct qib_devdata *dd);
+void qib_disable_wc(struct qib_devdata *dd);
+int qib_count_units(int *npresentp, int *nupp);
+int qib_count_active_units(void);
+
+int qib_cdev_init(int minor, const char *name,
+		  const struct file_operations *fops,
+		  struct cdev **cdevp, struct device **devp);
+void qib_cdev_cleanup(struct cdev **cdevp, struct device **devp);
+int qib_dev_init(void);
+void qib_dev_cleanup(void);
+
+int qib_diag_add(struct qib_devdata *);
+void qib_diag_remove(struct qib_devdata *);
+void qib_handle_e_ibstatuschanged(struct qib_pportdata *, u64);
+void qib_sdma_update_tail(struct qib_pportdata *, u16); /* hold sdma_lock */
+
+int qib_decode_err(struct qib_devdata *dd, char *buf, size_t blen, u64 err);
+void qib_bad_intrstatus(struct qib_devdata *);
+void qib_handle_urcv(struct qib_devdata *, u64);
+
+/* clean up any per-chip chip-specific stuff */
+void qib_chip_cleanup(struct qib_devdata *);
+/* clean up any chip type-specific stuff */
+void qib_chip_done(void);
+
+/* check to see if we have to force ordering for write combining */
+int qib_unordered_wc(void);
+void qib_pio_copy(void __iomem *to, const void *from, size_t count);
+
+void qib_disarm_piobufs(struct qib_devdata *, unsigned, unsigned);
+int qib_disarm_piobufs_ifneeded(struct qib_ctxtdata *);
+void qib_disarm_piobufs_set(struct qib_devdata *, unsigned long *, unsigned);
+void qib_cancel_sends(struct qib_pportdata *);
+
+int qib_create_rcvhdrq(struct qib_devdata *, struct qib_ctxtdata *);
+int qib_setup_eagerbufs(struct qib_ctxtdata *);
+void qib_set_ctxtcnt(struct qib_devdata *);
+int qib_create_ctxts(struct qib_devdata *dd);
+struct qib_ctxtdata *qib_create_ctxtdata(struct qib_pportdata *, u32);
+void qib_init_pportdata(struct qib_pportdata *, struct qib_devdata *, u8, u8);
+void qib_free_ctxtdata(struct qib_devdata *, struct qib_ctxtdata *);
+
+u32 qib_kreceive(struct qib_ctxtdata *, u32 *, u32 *);
+int qib_reset_device(int);
+int qib_wait_linkstate(struct qib_pportdata *, u32, int);
+int qib_set_linkstate(struct qib_pportdata *, u8);
+int qib_set_mtu(struct qib_pportdata *, u16);
+int qib_set_lid(struct qib_pportdata *, u32, u8);
+void qib_hol_down(struct qib_pportdata *);
+void qib_hol_init(struct qib_pportdata *);
+void qib_hol_up(struct qib_pportdata *);
+void qib_hol_event(unsigned long);
+void qib_disable_after_error(struct qib_devdata *);
+int qib_set_uevent_bits(struct qib_pportdata *, const int);
+
+/* for use in system calls, where we want to know device type, etc. */
+#define ctxt_fp(fp) \
+	(((struct qib_filedata *)(fp)->private_data)->rcd)
+#define subctxt_fp(fp) \
+	(((struct qib_filedata *)(fp)->private_data)->subctxt)
+#define tidcursor_fp(fp) \
+	(((struct qib_filedata *)(fp)->private_data)->tidcursor)
+#define user_sdma_queue_fp(fp) \
+	(((struct qib_filedata *)(fp)->private_data)->pq)
+
+static inline struct qib_devdata *dd_from_ppd(struct qib_pportdata *ppd)
+{
+	return ppd->dd;
+}
+
+static inline struct qib_devdata *dd_from_dev(struct qib_ibdev *dev)
+{
+	return container_of(dev, struct qib_devdata, verbs_dev);
+}
+
+static inline struct qib_devdata *dd_from_ibdev(struct ib_device *ibdev)
+{
+	return dd_from_dev(to_idev(ibdev));
+}
+
+static inline struct qib_pportdata *ppd_from_ibp(struct qib_ibport *ibp)
+{
+	return container_of(ibp, struct qib_pportdata, ibport_data);
+}
+
+static inline struct qib_ibport *to_iport(struct ib_device *ibdev, u8 port)
+{
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */
+
+	WARN_ON(pidx >= dd->num_pports);
+	return &dd->pport[pidx].ibport_data;
+}
+
+/*
+ * values for dd->flags (_device_ related flags) and
+ */
+#define QIB_HAS_LINK_LATENCY  0x1 /* supports link latency (IB 1.2) */
+#define QIB_INITTED           0x2 /* chip and driver up and initted */
+#define QIB_DOING_RESET       0x4  /* in the middle of doing chip reset */
+#define QIB_PRESENT           0x8  /* chip accesses can be done */
+#define QIB_PIO_FLUSH_WC      0x10 /* Needs Write combining flush for PIO */
+#define QIB_HAS_THRESH_UPDATE 0x40
+#define QIB_HAS_SDMA_TIMEOUT  0x80
+#define QIB_USE_SPCL_TRIG     0x100 /* SpecialTrigger launch enabled */
+#define QIB_NODMA_RTAIL       0x200 /* rcvhdrtail register DMA enabled */
+#define QIB_HAS_INTX          0x800 /* Supports INTx interrupts */
+#define QIB_HAS_SEND_DMA      0x1000 /* Supports Send DMA */
+#define QIB_HAS_VLSUPP        0x2000 /* Supports multiple VLs; PBC different */
+#define QIB_HAS_HDRSUPP       0x4000 /* Supports header suppression */
+#define QIB_BADINTR           0x8000 /* severe interrupt problems */
+#define QIB_DCA_ENABLED       0x10000 /* Direct Cache Access enabled */
+#define QIB_HAS_QSFP          0x20000 /* device (card instance) has QSFP */
+
+/*
+ * values for ppd->lflags (_ib_port_ related flags)
+ */
+#define QIBL_LINKV             0x1 /* IB link state valid */
+#define QIBL_LINKDOWN          0x8 /* IB link is down */
+#define QIBL_LINKINIT          0x10 /* IB link level is up */
+#define QIBL_LINKARMED         0x20 /* IB link is ARMED */
+#define QIBL_LINKACTIVE        0x40 /* IB link is ACTIVE */
+/* leave a gap for more IB-link state */
+#define QIBL_IB_AUTONEG_INPROG 0x1000 /* non-IBTA DDR/QDR neg active */
+#define QIBL_IB_AUTONEG_FAILED 0x2000 /* non-IBTA DDR/QDR neg failed */
+#define QIBL_IB_LINK_DISABLED  0x4000 /* Linkdown-disable forced,
+				       * Do not try to bring up */
+#define QIBL_IB_FORCE_NOTIFY   0x8000 /* force notify on next ib change */
+
+/* IB dword length mask in PBC (lower 11 bits); same for all chips */
+#define QIB_PBC_LENGTH_MASK                     ((1 << 11) - 1)
+
+
+/* ctxt_flag bit offsets */
+		/* waiting for a packet to arrive */
+#define QIB_CTXT_WAITING_RCV   2
+		/* master has not finished initializing */
+#define QIB_CTXT_MASTER_UNINIT 4
+		/* waiting for an urgent packet to arrive */
+#define QIB_CTXT_WAITING_URG 5
+
+/* free up any allocated data at closes */
+void qib_free_data(struct qib_ctxtdata *dd);
+void qib_chg_pioavailkernel(struct qib_devdata *, unsigned, unsigned,
+			    u32, struct qib_ctxtdata *);
+struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *,
+					   const struct pci_device_id *);
+struct qib_devdata *qib_init_iba7220_funcs(struct pci_dev *,
+					   const struct pci_device_id *);
+struct qib_devdata *qib_init_iba6120_funcs(struct pci_dev *,
+					   const struct pci_device_id *);
+void qib_free_devdata(struct qib_devdata *);
+struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra);
+
+#define QIB_TWSI_NO_DEV 0xFF
+/* Below qib_twsi_ functions must be called with eep_lock held */
+int qib_twsi_reset(struct qib_devdata *dd);
+int qib_twsi_blk_rd(struct qib_devdata *dd, int dev, int addr, void *buffer,
+		    int len);
+int qib_twsi_blk_wr(struct qib_devdata *dd, int dev, int addr,
+		    const void *buffer, int len);
+void qib_get_eeprom_info(struct qib_devdata *);
+int qib_update_eeprom_log(struct qib_devdata *dd);
+void qib_inc_eeprom_err(struct qib_devdata *dd, u32 eidx, u32 incr);
+void qib_dump_lookup_output_queue(struct qib_devdata *);
+void qib_force_pio_avail_update(struct qib_devdata *);
+void qib_clear_symerror_on_linkup(unsigned long opaque);
+
+/*
+ * Set LED override, only the two LSBs have "public" meaning, but
+ * any non-zero value substitutes them for the Link and LinkTrain
+ * LED states.
+ */
+#define QIB_LED_PHYS 1 /* Physical (linktraining) GREEN LED */
+#define QIB_LED_LOG 2  /* Logical (link) YELLOW LED */
+void qib_set_led_override(struct qib_pportdata *ppd, unsigned int val);
+
+/* send dma routines */
+int qib_setup_sdma(struct qib_pportdata *);
+void qib_teardown_sdma(struct qib_pportdata *);
+void __qib_sdma_intr(struct qib_pportdata *);
+void qib_sdma_intr(struct qib_pportdata *);
+int qib_sdma_verbs_send(struct qib_pportdata *, struct qib_sge_state *,
+			u32, struct qib_verbs_txreq *);
+/* ppd->sdma_lock should be locked before calling this. */
+int qib_sdma_make_progress(struct qib_pportdata *dd);
+
+/* must be called under qib_sdma_lock */
+static inline u16 qib_sdma_descq_freecnt(const struct qib_pportdata *ppd)
+{
+	return ppd->sdma_descq_cnt -
+		(ppd->sdma_descq_added - ppd->sdma_descq_removed) - 1;
+}
+
+static inline int __qib_sdma_running(struct qib_pportdata *ppd)
+{
+	return ppd->sdma_state.current_state == qib_sdma_state_s99_running;
+}
+int qib_sdma_running(struct qib_pportdata *);
+
+void __qib_sdma_process_event(struct qib_pportdata *, enum qib_sdma_events);
+void qib_sdma_process_event(struct qib_pportdata *, enum qib_sdma_events);
+
+/*
+ * number of words used for protocol header if not set by qib_userinit();
+ */
+#define QIB_DFLT_RCVHDRSIZE 9
+
+/*
+ * We need to be able to handle an IB header of at least 24 dwords.
+ * We need the rcvhdrq large enough to handle largest IB header, but
+ * still have room for a 2KB MTU standard IB packet.
+ * Additionally, some processor/memory controller combinations
+ * benefit quite strongly from having the DMA'ed data be cacheline
+ * aligned and a cacheline multiple, so we set the size to 32 dwords
+ * (2 64-byte primary cachelines for pretty much all processors of
+ * interest).  The alignment hurts nothing, other than using somewhat
+ * more memory.
+ */
+#define QIB_RCVHDR_ENTSIZE 32
+
+int qib_get_user_pages(unsigned long, size_t, struct page **);
+void qib_release_user_pages(struct page **, size_t);
+int qib_eeprom_read(struct qib_devdata *, u8, void *, int);
+int qib_eeprom_write(struct qib_devdata *, u8, const void *, int);
+u32 __iomem *qib_getsendbuf_range(struct qib_devdata *, u32 *, u32, u32);
+void qib_sendbuf_done(struct qib_devdata *, unsigned);
+
+static inline void qib_clear_rcvhdrtail(const struct qib_ctxtdata *rcd)
+{
+	*((u64 *) rcd->rcvhdrtail_kvaddr) = 0ULL;
+}
+
+static inline u32 qib_get_rcvhdrtail(const struct qib_ctxtdata *rcd)
+{
+	/*
+	 * volatile because it's a DMA target from the chip, routine is
+	 * inlined, and don't want register caching or reordering.
+	 */
+	return (u32) le64_to_cpu(
+		*((volatile __le64 *)rcd->rcvhdrtail_kvaddr)); /* DMA'ed */
+}
+
+static inline u32 qib_get_hdrqtail(const struct qib_ctxtdata *rcd)
+{
+	const struct qib_devdata *dd = rcd->dd;
+	u32 hdrqtail;
+
+	if (dd->flags & QIB_NODMA_RTAIL) {
+		__le32 *rhf_addr;
+		u32 seq;
+
+		rhf_addr = (__le32 *) rcd->rcvhdrq +
+			rcd->head + dd->rhf_offset;
+		seq = qib_hdrget_seq(rhf_addr);
+		hdrqtail = rcd->head;
+		if (seq == rcd->seq_cnt)
+			hdrqtail++;
+	} else
+		hdrqtail = qib_get_rcvhdrtail(rcd);
+
+	return hdrqtail;
+}
+
+/*
+ * sysfs interface.
+ */
+
+extern const char ib_qib_version[];
+
+int qib_device_create(struct qib_devdata *);
+void qib_device_remove(struct qib_devdata *);
+
+int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
+			  struct kobject *kobj);
+int qib_verbs_register_sysfs(struct qib_devdata *);
+void qib_verbs_unregister_sysfs(struct qib_devdata *);
+/* Hook for sysfs read of QSFP */
+extern int qib_qsfp_dump(struct qib_pportdata *ppd, char *buf, int len);
+
+int __init qib_init_qibfs(void);
+int __exit qib_exit_qibfs(void);
+
+int qibfs_add(struct qib_devdata *);
+int qibfs_remove(struct qib_devdata *);
+
+int qib_pcie_init(struct pci_dev *, const struct pci_device_id *);
+int qib_pcie_ddinit(struct qib_devdata *, struct pci_dev *,
+		    const struct pci_device_id *);
+void qib_pcie_ddcleanup(struct qib_devdata *);
+int qib_pcie_params(struct qib_devdata *, u32, u32 *, struct msix_entry *);
+int qib_reinit_intr(struct qib_devdata *);
+void qib_enable_intx(struct pci_dev *);
+void qib_nomsi(struct qib_devdata *);
+void qib_nomsix(struct qib_devdata *);
+void qib_pcie_getcmd(struct qib_devdata *, u16 *, u8 *, u8 *);
+void qib_pcie_reenable(struct qib_devdata *, u16, u8, u8);
+
+/*
+ * dma_addr wrappers - all 0's invalid for hw
+ */
+dma_addr_t qib_map_page(struct pci_dev *, struct page *, unsigned long,
+			  size_t, int);
+const char *qib_get_unit_name(int unit);
+
+/*
+ * Flush write combining store buffers (if present) and perform a write
+ * barrier.
+ */
+#if defined(CONFIG_X86_64)
+#define qib_flush_wc() asm volatile("sfence" : : : "memory")
+#else
+#define qib_flush_wc() wmb() /* no reorder around wc flush */
+#endif
+
+/* global module parameter variables */
+extern unsigned qib_ibmtu;
+extern ushort qib_cfgctxts;
+extern ushort qib_num_cfg_vls;
+extern ushort qib_mini_init; /* If set, do few (ideally 0) writes to chip */
+extern unsigned qib_n_krcv_queues;
+extern unsigned qib_sdma_fetch_arb;
+extern unsigned qib_compat_ddr_negotiate;
+extern int qib_special_trigger;
+
+extern struct mutex qib_mutex;
+
+/* Number of seconds before our card status check...  */
+#define STATUS_TIMEOUT 60
+
+#define QIB_DRV_NAME            "ib_qib"
+#define QIB_USER_MINOR_BASE     0
+#define QIB_TRACE_MINOR         127
+#define QIB_DIAGPKT_MINOR       128
+#define QIB_DIAG_MINOR_BASE     129
+#define QIB_NMINORS             255
+
+#define PCI_VENDOR_ID_PATHSCALE 0x1fc1
+#define PCI_VENDOR_ID_QLOGIC 0x1077
+#define PCI_DEVICE_ID_QLOGIC_IB_6120 0x10
+#define PCI_DEVICE_ID_QLOGIC_IB_7220 0x7220
+#define PCI_DEVICE_ID_QLOGIC_IB_7322 0x7322
+
+/*
+ * qib_early_err is used (only!) to print early errors before devdata is
+ * allocated, or when dd->pcidev may not be valid, and at the tail end of
+ * cleanup when devdata may have been freed, etc.  qib_dev_porterr is
+ * the same as qib_dev_err, but is used when the message really needs
+ * the IB port# to be definitive as to what's happening..
+ * All of these go to the trace log, and the trace log entry is done
+ * first to avoid possible serial port delays from printk.
+ */
+#define qib_early_err(dev, fmt, ...) \
+	do { \
+		dev_info(dev, KERN_ERR QIB_DRV_NAME ": " fmt, ##__VA_ARGS__); \
+	} while (0)
+
+#define qib_dev_err(dd, fmt, ...) \
+	do { \
+		dev_err(&(dd)->pcidev->dev, "%s: " fmt, \
+			qib_get_unit_name((dd)->unit), ##__VA_ARGS__); \
+	} while (0)
+
+#define qib_dev_porterr(dd, port, fmt, ...) \
+	do { \
+		dev_err(&(dd)->pcidev->dev, "%s: IB%u:%u " fmt, \
+			qib_get_unit_name((dd)->unit), (dd)->unit, (port), \
+			##__VA_ARGS__); \
+	} while (0)
+
+#define qib_devinfo(pcidev, fmt, ...) \
+	do { \
+		dev_info(&(pcidev)->dev, fmt, ##__VA_ARGS__); \
+	} while (0)
+
+/*
+ * this is used for formatting hw error messages...
+ */
+struct qib_hwerror_msgs {
+	u64 mask;
+	const char *msg;
+};
+
+#define QLOGIC_IB_HWE_MSG(a, b) { .mask = a, .msg = b }
+
+/* in qib_intr.c... */
+void qib_format_hwerrors(u64 hwerrs,
+			 const struct qib_hwerror_msgs *hwerrmsgs,
+			 size_t nhwerrmsgs, char *msg, size_t lmsg);
+#endif                          /* _QIB_KERNEL_H */
diff --git a/drivers/infiniband/hw/qib/qib_6120_regs.h b/drivers/infiniband/hw/qib/qib_6120_regs.h
new file mode 100644
index 00000000000..e16cb6f7de2
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_6120_regs.h
@@ -0,0 +1,977 @@
+/*
+ * Copyright (c) 2008, 2009, 2010 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* This file is mechanically generated from RTL. Any hand-edits will be lost! */
+
+#define QIB_6120_Revision_OFFS 0x0
+#define QIB_6120_Revision_R_Simulator_LSB 0x3F
+#define QIB_6120_Revision_R_Simulator_RMASK 0x1
+#define QIB_6120_Revision_Reserved_LSB 0x28
+#define QIB_6120_Revision_Reserved_RMASK 0x7FFFFF
+#define QIB_6120_Revision_BoardID_LSB 0x20
+#define QIB_6120_Revision_BoardID_RMASK 0xFF
+#define QIB_6120_Revision_R_SW_LSB 0x18
+#define QIB_6120_Revision_R_SW_RMASK 0xFF
+#define QIB_6120_Revision_R_Arch_LSB 0x10
+#define QIB_6120_Revision_R_Arch_RMASK 0xFF
+#define QIB_6120_Revision_R_ChipRevMajor_LSB 0x8
+#define QIB_6120_Revision_R_ChipRevMajor_RMASK 0xFF
+#define QIB_6120_Revision_R_ChipRevMinor_LSB 0x0
+#define QIB_6120_Revision_R_ChipRevMinor_RMASK 0xFF
+
+#define QIB_6120_Control_OFFS 0x8
+#define QIB_6120_Control_TxLatency_LSB 0x4
+#define QIB_6120_Control_TxLatency_RMASK 0x1
+#define QIB_6120_Control_PCIERetryBufDiagEn_LSB 0x3
+#define QIB_6120_Control_PCIERetryBufDiagEn_RMASK 0x1
+#define QIB_6120_Control_LinkEn_LSB 0x2
+#define QIB_6120_Control_LinkEn_RMASK 0x1
+#define QIB_6120_Control_FreezeMode_LSB 0x1
+#define QIB_6120_Control_FreezeMode_RMASK 0x1
+#define QIB_6120_Control_SyncReset_LSB 0x0
+#define QIB_6120_Control_SyncReset_RMASK 0x1
+
+#define QIB_6120_PageAlign_OFFS 0x10
+
+#define QIB_6120_PortCnt_OFFS 0x18
+
+#define QIB_6120_SendRegBase_OFFS 0x30
+
+#define QIB_6120_UserRegBase_OFFS 0x38
+
+#define QIB_6120_CntrRegBase_OFFS 0x40
+
+#define QIB_6120_Scratch_OFFS 0x48
+#define QIB_6120_Scratch_TopHalf_LSB 0x20
+#define QIB_6120_Scratch_TopHalf_RMASK 0xFFFFFFFF
+#define QIB_6120_Scratch_BottomHalf_LSB 0x0
+#define QIB_6120_Scratch_BottomHalf_RMASK 0xFFFFFFFF
+
+#define QIB_6120_IntBlocked_OFFS 0x60
+#define QIB_6120_IntBlocked_ErrorIntBlocked_LSB 0x1F
+#define QIB_6120_IntBlocked_ErrorIntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_PioSetIntBlocked_LSB 0x1E
+#define QIB_6120_IntBlocked_PioSetIntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_PioBufAvailIntBlocked_LSB 0x1D
+#define QIB_6120_IntBlocked_PioBufAvailIntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_assertGPIOIntBlocked_LSB 0x1C
+#define QIB_6120_IntBlocked_assertGPIOIntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_Reserved_LSB 0xF
+#define QIB_6120_IntBlocked_Reserved_RMASK 0x1FFF
+#define QIB_6120_IntBlocked_RcvAvail4IntBlocked_LSB 0x10
+#define QIB_6120_IntBlocked_RcvAvail4IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_RcvAvail3IntBlocked_LSB 0xF
+#define QIB_6120_IntBlocked_RcvAvail3IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_RcvAvail2IntBlocked_LSB 0xE
+#define QIB_6120_IntBlocked_RcvAvail2IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_RcvAvail1IntBlocked_LSB 0xD
+#define QIB_6120_IntBlocked_RcvAvail1IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_RcvAvail0IntBlocked_LSB 0xC
+#define QIB_6120_IntBlocked_RcvAvail0IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_Reserved1_LSB 0x5
+#define QIB_6120_IntBlocked_Reserved1_RMASK 0x7F
+#define QIB_6120_IntBlocked_RcvUrg4IntBlocked_LSB 0x4
+#define QIB_6120_IntBlocked_RcvUrg4IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_RcvUrg3IntBlocked_LSB 0x3
+#define QIB_6120_IntBlocked_RcvUrg3IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_RcvUrg2IntBlocked_LSB 0x2
+#define QIB_6120_IntBlocked_RcvUrg2IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_RcvUrg1IntBlocked_LSB 0x1
+#define QIB_6120_IntBlocked_RcvUrg1IntBlocked_RMASK 0x1
+#define QIB_6120_IntBlocked_RcvUrg0IntBlocked_LSB 0x0
+#define QIB_6120_IntBlocked_RcvUrg0IntBlocked_RMASK 0x1
+
+#define QIB_6120_IntMask_OFFS 0x68
+#define QIB_6120_IntMask_ErrorIntMask_LSB 0x1F
+#define QIB_6120_IntMask_ErrorIntMask_RMASK 0x1
+#define QIB_6120_IntMask_PioSetIntMask_LSB 0x1E
+#define QIB_6120_IntMask_PioSetIntMask_RMASK 0x1
+#define QIB_6120_IntMask_PioBufAvailIntMask_LSB 0x1D
+#define QIB_6120_IntMask_PioBufAvailIntMask_RMASK 0x1
+#define QIB_6120_IntMask_assertGPIOIntMask_LSB 0x1C
+#define QIB_6120_IntMask_assertGPIOIntMask_RMASK 0x1
+#define QIB_6120_IntMask_Reserved_LSB 0x11
+#define QIB_6120_IntMask_Reserved_RMASK 0x7FF
+#define QIB_6120_IntMask_RcvAvail4IntMask_LSB 0x10
+#define QIB_6120_IntMask_RcvAvail4IntMask_RMASK 0x1
+#define QIB_6120_IntMask_RcvAvail3IntMask_LSB 0xF
+#define QIB_6120_IntMask_RcvAvail3IntMask_RMASK 0x1
+#define QIB_6120_IntMask_RcvAvail2IntMask_LSB 0xE
+#define QIB_6120_IntMask_RcvAvail2IntMask_RMASK 0x1
+#define QIB_6120_IntMask_RcvAvail1IntMask_LSB 0xD
+#define QIB_6120_IntMask_RcvAvail1IntMask_RMASK 0x1
+#define QIB_6120_IntMask_RcvAvail0IntMask_LSB 0xC
+#define QIB_6120_IntMask_RcvAvail0IntMask_RMASK 0x1
+#define QIB_6120_IntMask_Reserved1_LSB 0x5
+#define QIB_6120_IntMask_Reserved1_RMASK 0x7F
+#define QIB_6120_IntMask_RcvUrg4IntMask_LSB 0x4
+#define QIB_6120_IntMask_RcvUrg4IntMask_RMASK 0x1
+#define QIB_6120_IntMask_RcvUrg3IntMask_LSB 0x3
+#define QIB_6120_IntMask_RcvUrg3IntMask_RMASK 0x1
+#define QIB_6120_IntMask_RcvUrg2IntMask_LSB 0x2
+#define QIB_6120_IntMask_RcvUrg2IntMask_RMASK 0x1
+#define QIB_6120_IntMask_RcvUrg1IntMask_LSB 0x1
+#define QIB_6120_IntMask_RcvUrg1IntMask_RMASK 0x1
+#define QIB_6120_IntMask_RcvUrg0IntMask_LSB 0x0
+#define QIB_6120_IntMask_RcvUrg0IntMask_RMASK 0x1
+
+#define QIB_6120_IntStatus_OFFS 0x70
+#define QIB_6120_IntStatus_Error_LSB 0x1F
+#define QIB_6120_IntStatus_Error_RMASK 0x1
+#define QIB_6120_IntStatus_PioSent_LSB 0x1E
+#define QIB_6120_IntStatus_PioSent_RMASK 0x1
+#define QIB_6120_IntStatus_PioBufAvail_LSB 0x1D
+#define QIB_6120_IntStatus_PioBufAvail_RMASK 0x1
+#define QIB_6120_IntStatus_assertGPIO_LSB 0x1C
+#define QIB_6120_IntStatus_assertGPIO_RMASK 0x1
+#define QIB_6120_IntStatus_Reserved_LSB 0xF
+#define QIB_6120_IntStatus_Reserved_RMASK 0x1FFF
+#define QIB_6120_IntStatus_RcvAvail4_LSB 0x10
+#define QIB_6120_IntStatus_RcvAvail4_RMASK 0x1
+#define QIB_6120_IntStatus_RcvAvail3_LSB 0xF
+#define QIB_6120_IntStatus_RcvAvail3_RMASK 0x1
+#define QIB_6120_IntStatus_RcvAvail2_LSB 0xE
+#define QIB_6120_IntStatus_RcvAvail2_RMASK 0x1
+#define QIB_6120_IntStatus_RcvAvail1_LSB 0xD
+#define QIB_6120_IntStatus_RcvAvail1_RMASK 0x1
+#define QIB_6120_IntStatus_RcvAvail0_LSB 0xC
+#define QIB_6120_IntStatus_RcvAvail0_RMASK 0x1
+#define QIB_6120_IntStatus_Reserved1_LSB 0x5
+#define QIB_6120_IntStatus_Reserved1_RMASK 0x7F
+#define QIB_6120_IntStatus_RcvUrg4_LSB 0x4
+#define QIB_6120_IntStatus_RcvUrg4_RMASK 0x1
+#define QIB_6120_IntStatus_RcvUrg3_LSB 0x3
+#define QIB_6120_IntStatus_RcvUrg3_RMASK 0x1
+#define QIB_6120_IntStatus_RcvUrg2_LSB 0x2
+#define QIB_6120_IntStatus_RcvUrg2_RMASK 0x1
+#define QIB_6120_IntStatus_RcvUrg1_LSB 0x1
+#define QIB_6120_IntStatus_RcvUrg1_RMASK 0x1
+#define QIB_6120_IntStatus_RcvUrg0_LSB 0x0
+#define QIB_6120_IntStatus_RcvUrg0_RMASK 0x1
+
+#define QIB_6120_IntClear_OFFS 0x78
+#define QIB_6120_IntClear_ErrorIntClear_LSB 0x1F
+#define QIB_6120_IntClear_ErrorIntClear_RMASK 0x1
+#define QIB_6120_IntClear_PioSetIntClear_LSB 0x1E
+#define QIB_6120_IntClear_PioSetIntClear_RMASK 0x1
+#define QIB_6120_IntClear_PioBufAvailIntClear_LSB 0x1D
+#define QIB_6120_IntClear_PioBufAvailIntClear_RMASK 0x1
+#define QIB_6120_IntClear_assertGPIOIntClear_LSB 0x1C
+#define QIB_6120_IntClear_assertGPIOIntClear_RMASK 0x1
+#define QIB_6120_IntClear_Reserved_LSB 0xF
+#define QIB_6120_IntClear_Reserved_RMASK 0x1FFF
+#define QIB_6120_IntClear_RcvAvail4IntClear_LSB 0x10
+#define QIB_6120_IntClear_RcvAvail4IntClear_RMASK 0x1
+#define QIB_6120_IntClear_RcvAvail3IntClear_LSB 0xF
+#define QIB_6120_IntClear_RcvAvail3IntClear_RMASK 0x1
+#define QIB_6120_IntClear_RcvAvail2IntClear_LSB 0xE
+#define QIB_6120_IntClear_RcvAvail2IntClear_RMASK 0x1
+#define QIB_6120_IntClear_RcvAvail1IntClear_LSB 0xD
+#define QIB_6120_IntClear_RcvAvail1IntClear_RMASK 0x1
+#define QIB_6120_IntClear_RcvAvail0IntClear_LSB 0xC
+#define QIB_6120_IntClear_RcvAvail0IntClear_RMASK 0x1
+#define QIB_6120_IntClear_Reserved1_LSB 0x5
+#define QIB_6120_IntClear_Reserved1_RMASK 0x7F
+#define QIB_6120_IntClear_RcvUrg4IntClear_LSB 0x4
+#define QIB_6120_IntClear_RcvUrg4IntClear_RMASK 0x1
+#define QIB_6120_IntClear_RcvUrg3IntClear_LSB 0x3
+#define QIB_6120_IntClear_RcvUrg3IntClear_RMASK 0x1
+#define QIB_6120_IntClear_RcvUrg2IntClear_LSB 0x2
+#define QIB_6120_IntClear_RcvUrg2IntClear_RMASK 0x1
+#define QIB_6120_IntClear_RcvUrg1IntClear_LSB 0x1
+#define QIB_6120_IntClear_RcvUrg1IntClear_RMASK 0x1
+#define QIB_6120_IntClear_RcvUrg0IntClear_LSB 0x0
+#define QIB_6120_IntClear_RcvUrg0IntClear_RMASK 0x1
+
+#define QIB_6120_ErrMask_OFFS 0x80
+#define QIB_6120_ErrMask_Reserved_LSB 0x34
+#define QIB_6120_ErrMask_Reserved_RMASK 0xFFF
+#define QIB_6120_ErrMask_HardwareErrMask_LSB 0x33
+#define QIB_6120_ErrMask_HardwareErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_ResetNegatedMask_LSB 0x32
+#define QIB_6120_ErrMask_ResetNegatedMask_RMASK 0x1
+#define QIB_6120_ErrMask_InvalidAddrErrMask_LSB 0x31
+#define QIB_6120_ErrMask_InvalidAddrErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_IBStatusChangedMask_LSB 0x30
+#define QIB_6120_ErrMask_IBStatusChangedMask_RMASK 0x1
+#define QIB_6120_ErrMask_Reserved1_LSB 0x26
+#define QIB_6120_ErrMask_Reserved1_RMASK 0x3FF
+#define QIB_6120_ErrMask_SendUnsupportedVLErrMask_LSB 0x25
+#define QIB_6120_ErrMask_SendUnsupportedVLErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_SendUnexpectedPktNumErrMask_LSB 0x24
+#define QIB_6120_ErrMask_SendUnexpectedPktNumErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_SendPioArmLaunchErrMask_LSB 0x23
+#define QIB_6120_ErrMask_SendPioArmLaunchErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_SendDroppedDataPktErrMask_LSB 0x22
+#define QIB_6120_ErrMask_SendDroppedDataPktErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_SendDroppedSmpPktErrMask_LSB 0x21
+#define QIB_6120_ErrMask_SendDroppedSmpPktErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_SendPktLenErrMask_LSB 0x20
+#define QIB_6120_ErrMask_SendPktLenErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_SendUnderRunErrMask_LSB 0x1F
+#define QIB_6120_ErrMask_SendUnderRunErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_SendMaxPktLenErrMask_LSB 0x1E
+#define QIB_6120_ErrMask_SendMaxPktLenErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_SendMinPktLenErrMask_LSB 0x1D
+#define QIB_6120_ErrMask_SendMinPktLenErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_Reserved2_LSB 0x12
+#define QIB_6120_ErrMask_Reserved2_RMASK 0x7FF
+#define QIB_6120_ErrMask_RcvIBLostLinkErrMask_LSB 0x11
+#define QIB_6120_ErrMask_RcvIBLostLinkErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvHdrErrMask_LSB 0x10
+#define QIB_6120_ErrMask_RcvHdrErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvHdrLenErrMask_LSB 0xF
+#define QIB_6120_ErrMask_RcvHdrLenErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvBadTidErrMask_LSB 0xE
+#define QIB_6120_ErrMask_RcvBadTidErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvHdrFullErrMask_LSB 0xD
+#define QIB_6120_ErrMask_RcvHdrFullErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvEgrFullErrMask_LSB 0xC
+#define QIB_6120_ErrMask_RcvEgrFullErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvBadVersionErrMask_LSB 0xB
+#define QIB_6120_ErrMask_RcvBadVersionErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvIBFlowErrMask_LSB 0xA
+#define QIB_6120_ErrMask_RcvIBFlowErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvEBPErrMask_LSB 0x9
+#define QIB_6120_ErrMask_RcvEBPErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvUnsupportedVLErrMask_LSB 0x8
+#define QIB_6120_ErrMask_RcvUnsupportedVLErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvUnexpectedCharErrMask_LSB 0x7
+#define QIB_6120_ErrMask_RcvUnexpectedCharErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvShortPktLenErrMask_LSB 0x6
+#define QIB_6120_ErrMask_RcvShortPktLenErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvLongPktLenErrMask_LSB 0x5
+#define QIB_6120_ErrMask_RcvLongPktLenErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvMaxPktLenErrMask_LSB 0x4
+#define QIB_6120_ErrMask_RcvMaxPktLenErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvMinPktLenErrMask_LSB 0x3
+#define QIB_6120_ErrMask_RcvMinPktLenErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvICRCErrMask_LSB 0x2
+#define QIB_6120_ErrMask_RcvICRCErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvVCRCErrMask_LSB 0x1
+#define QIB_6120_ErrMask_RcvVCRCErrMask_RMASK 0x1
+#define QIB_6120_ErrMask_RcvFormatErrMask_LSB 0x0
+#define QIB_6120_ErrMask_RcvFormatErrMask_RMASK 0x1
+
+#define QIB_6120_ErrStatus_OFFS 0x88
+#define QIB_6120_ErrStatus_Reserved_LSB 0x34
+#define QIB_6120_ErrStatus_Reserved_RMASK 0xFFF
+#define QIB_6120_ErrStatus_HardwareErr_LSB 0x33
+#define QIB_6120_ErrStatus_HardwareErr_RMASK 0x1
+#define QIB_6120_ErrStatus_ResetNegated_LSB 0x32
+#define QIB_6120_ErrStatus_ResetNegated_RMASK 0x1
+#define QIB_6120_ErrStatus_InvalidAddrErr_LSB 0x31
+#define QIB_6120_ErrStatus_InvalidAddrErr_RMASK 0x1
+#define QIB_6120_ErrStatus_IBStatusChanged_LSB 0x30
+#define QIB_6120_ErrStatus_IBStatusChanged_RMASK 0x1
+#define QIB_6120_ErrStatus_Reserved1_LSB 0x26
+#define QIB_6120_ErrStatus_Reserved1_RMASK 0x3FF
+#define QIB_6120_ErrStatus_SendUnsupportedVLErr_LSB 0x25
+#define QIB_6120_ErrStatus_SendUnsupportedVLErr_RMASK 0x1
+#define QIB_6120_ErrStatus_SendUnexpectedPktNumErr_LSB 0x24
+#define QIB_6120_ErrStatus_SendUnexpectedPktNumErr_RMASK 0x1
+#define QIB_6120_ErrStatus_SendPioArmLaunchErr_LSB 0x23
+#define QIB_6120_ErrStatus_SendPioArmLaunchErr_RMASK 0x1
+#define QIB_6120_ErrStatus_SendDroppedDataPktErr_LSB 0x22
+#define QIB_6120_ErrStatus_SendDroppedDataPktErr_RMASK 0x1
+#define QIB_6120_ErrStatus_SendDroppedSmpPktErr_LSB 0x21
+#define QIB_6120_ErrStatus_SendDroppedSmpPktErr_RMASK 0x1
+#define QIB_6120_ErrStatus_SendPktLenErr_LSB 0x20
+#define QIB_6120_ErrStatus_SendPktLenErr_RMASK 0x1
+#define QIB_6120_ErrStatus_SendUnderRunErr_LSB 0x1F
+#define QIB_6120_ErrStatus_SendUnderRunErr_RMASK 0x1
+#define QIB_6120_ErrStatus_SendMaxPktLenErr_LSB 0x1E
+#define QIB_6120_ErrStatus_SendMaxPktLenErr_RMASK 0x1
+#define QIB_6120_ErrStatus_SendMinPktLenErr_LSB 0x1D
+#define QIB_6120_ErrStatus_SendMinPktLenErr_RMASK 0x1
+#define QIB_6120_ErrStatus_Reserved2_LSB 0x12
+#define QIB_6120_ErrStatus_Reserved2_RMASK 0x7FF
+#define QIB_6120_ErrStatus_RcvIBLostLinkErr_LSB 0x11
+#define QIB_6120_ErrStatus_RcvIBLostLinkErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvHdrErr_LSB 0x10
+#define QIB_6120_ErrStatus_RcvHdrErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvHdrLenErr_LSB 0xF
+#define QIB_6120_ErrStatus_RcvHdrLenErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvBadTidErr_LSB 0xE
+#define QIB_6120_ErrStatus_RcvBadTidErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvHdrFullErr_LSB 0xD
+#define QIB_6120_ErrStatus_RcvHdrFullErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvEgrFullErr_LSB 0xC
+#define QIB_6120_ErrStatus_RcvEgrFullErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvBadVersionErr_LSB 0xB
+#define QIB_6120_ErrStatus_RcvBadVersionErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvIBFlowErr_LSB 0xA
+#define QIB_6120_ErrStatus_RcvIBFlowErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvEBPErr_LSB 0x9
+#define QIB_6120_ErrStatus_RcvEBPErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvUnsupportedVLErr_LSB 0x8
+#define QIB_6120_ErrStatus_RcvUnsupportedVLErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvUnexpectedCharErr_LSB 0x7
+#define QIB_6120_ErrStatus_RcvUnexpectedCharErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvShortPktLenErr_LSB 0x6
+#define QIB_6120_ErrStatus_RcvShortPktLenErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvLongPktLenErr_LSB 0x5
+#define QIB_6120_ErrStatus_RcvLongPktLenErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvMaxPktLenErr_LSB 0x4
+#define QIB_6120_ErrStatus_RcvMaxPktLenErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvMinPktLenErr_LSB 0x3
+#define QIB_6120_ErrStatus_RcvMinPktLenErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvICRCErr_LSB 0x2
+#define QIB_6120_ErrStatus_RcvICRCErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvVCRCErr_LSB 0x1
+#define QIB_6120_ErrStatus_RcvVCRCErr_RMASK 0x1
+#define QIB_6120_ErrStatus_RcvFormatErr_LSB 0x0
+#define QIB_6120_ErrStatus_RcvFormatErr_RMASK 0x1
+
+#define QIB_6120_ErrClear_OFFS 0x90
+#define QIB_6120_ErrClear_Reserved_LSB 0x34
+#define QIB_6120_ErrClear_Reserved_RMASK 0xFFF
+#define QIB_6120_ErrClear_HardwareErrClear_LSB 0x33
+#define QIB_6120_ErrClear_HardwareErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_ResetNegatedClear_LSB 0x32
+#define QIB_6120_ErrClear_ResetNegatedClear_RMASK 0x1
+#define QIB_6120_ErrClear_InvalidAddrErrClear_LSB 0x31
+#define QIB_6120_ErrClear_InvalidAddrErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_IBStatusChangedClear_LSB 0x30
+#define QIB_6120_ErrClear_IBStatusChangedClear_RMASK 0x1
+#define QIB_6120_ErrClear_Reserved1_LSB 0x26
+#define QIB_6120_ErrClear_Reserved1_RMASK 0x3FF
+#define QIB_6120_ErrClear_SendUnsupportedVLErrClear_LSB 0x25
+#define QIB_6120_ErrClear_SendUnsupportedVLErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_SendUnexpectedPktNumErrClear_LSB 0x24
+#define QIB_6120_ErrClear_SendUnexpectedPktNumErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_SendPioArmLaunchErrClear_LSB 0x23
+#define QIB_6120_ErrClear_SendPioArmLaunchErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_SendDroppedDataPktErrClear_LSB 0x22
+#define QIB_6120_ErrClear_SendDroppedDataPktErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_SendDroppedSmpPktErrClear_LSB 0x21
+#define QIB_6120_ErrClear_SendDroppedSmpPktErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_SendPktLenErrClear_LSB 0x20
+#define QIB_6120_ErrClear_SendPktLenErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_SendUnderRunErrClear_LSB 0x1F
+#define QIB_6120_ErrClear_SendUnderRunErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_SendMaxPktLenErrClear_LSB 0x1E
+#define QIB_6120_ErrClear_SendMaxPktLenErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_SendMinPktLenErrClear_LSB 0x1D
+#define QIB_6120_ErrClear_SendMinPktLenErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_Reserved2_LSB 0x12
+#define QIB_6120_ErrClear_Reserved2_RMASK 0x7FF
+#define QIB_6120_ErrClear_RcvIBLostLinkErrClear_LSB 0x11
+#define QIB_6120_ErrClear_RcvIBLostLinkErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvHdrErrClear_LSB 0x10
+#define QIB_6120_ErrClear_RcvHdrErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvHdrLenErrClear_LSB 0xF
+#define QIB_6120_ErrClear_RcvHdrLenErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvBadTidErrClear_LSB 0xE
+#define QIB_6120_ErrClear_RcvBadTidErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvHdrFullErrClear_LSB 0xD
+#define QIB_6120_ErrClear_RcvHdrFullErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvEgrFullErrClear_LSB 0xC
+#define QIB_6120_ErrClear_RcvEgrFullErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvBadVersionErrClear_LSB 0xB
+#define QIB_6120_ErrClear_RcvBadVersionErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvIBFlowErrClear_LSB 0xA
+#define QIB_6120_ErrClear_RcvIBFlowErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvEBPErrClear_LSB 0x9
+#define QIB_6120_ErrClear_RcvEBPErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvUnsupportedVLErrClear_LSB 0x8
+#define QIB_6120_ErrClear_RcvUnsupportedVLErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvUnexpectedCharErrClear_LSB 0x7
+#define QIB_6120_ErrClear_RcvUnexpectedCharErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvShortPktLenErrClear_LSB 0x6
+#define QIB_6120_ErrClear_RcvShortPktLenErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvLongPktLenErrClear_LSB 0x5
+#define QIB_6120_ErrClear_RcvLongPktLenErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvMaxPktLenErrClear_LSB 0x4
+#define QIB_6120_ErrClear_RcvMaxPktLenErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvMinPktLenErrClear_LSB 0x3
+#define QIB_6120_ErrClear_RcvMinPktLenErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvICRCErrClear_LSB 0x2
+#define QIB_6120_ErrClear_RcvICRCErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvVCRCErrClear_LSB 0x1
+#define QIB_6120_ErrClear_RcvVCRCErrClear_RMASK 0x1
+#define QIB_6120_ErrClear_RcvFormatErrClear_LSB 0x0
+#define QIB_6120_ErrClear_RcvFormatErrClear_RMASK 0x1
+
+#define QIB_6120_HwErrMask_OFFS 0x98
+#define QIB_6120_HwErrMask_IBCBusFromSPCParityErrMask_LSB 0x3F
+#define QIB_6120_HwErrMask_IBCBusFromSPCParityErrMask_RMASK 0x1
+#define QIB_6120_HwErrMask_IBCBusToSPCParityErrMask_LSB 0x3E
+#define QIB_6120_HwErrMask_IBCBusToSPCParityErrMask_RMASK 0x1
+#define QIB_6120_HwErrMask_Reserved_LSB 0x3D
+#define QIB_6120_HwErrMask_Reserved_RMASK 0x1
+#define QIB_6120_HwErrMask_IBSerdesPClkNotDetectMask_LSB 0x3C
+#define QIB_6120_HwErrMask_IBSerdesPClkNotDetectMask_RMASK 0x1
+#define QIB_6120_HwErrMask_PCIESerdesQ0PClkNotDetectMask_LSB 0x3B
+#define QIB_6120_HwErrMask_PCIESerdesQ0PClkNotDetectMask_RMASK 0x1
+#define QIB_6120_HwErrMask_PCIESerdesQ1PClkNotDetectMask_LSB 0x3A
+#define QIB_6120_HwErrMask_PCIESerdesQ1PClkNotDetectMask_RMASK 0x1
+#define QIB_6120_HwErrMask_Reserved1_LSB 0x39
+#define QIB_6120_HwErrMask_Reserved1_RMASK 0x1
+#define QIB_6120_HwErrMask_IBPLLrfSlipMask_LSB 0x38
+#define QIB_6120_HwErrMask_IBPLLrfSlipMask_RMASK 0x1
+#define QIB_6120_HwErrMask_IBPLLfbSlipMask_LSB 0x37
+#define QIB_6120_HwErrMask_IBPLLfbSlipMask_RMASK 0x1
+#define QIB_6120_HwErrMask_PowerOnBISTFailedMask_LSB 0x36
+#define QIB_6120_HwErrMask_PowerOnBISTFailedMask_RMASK 0x1
+#define QIB_6120_HwErrMask_Reserved2_LSB 0x33
+#define QIB_6120_HwErrMask_Reserved2_RMASK 0x7
+#define QIB_6120_HwErrMask_RXEMemParityErrMask_LSB 0x2C
+#define QIB_6120_HwErrMask_RXEMemParityErrMask_RMASK 0x7F
+#define QIB_6120_HwErrMask_TXEMemParityErrMask_LSB 0x28
+#define QIB_6120_HwErrMask_TXEMemParityErrMask_RMASK 0xF
+#define QIB_6120_HwErrMask_Reserved3_LSB 0x22
+#define QIB_6120_HwErrMask_Reserved3_RMASK 0x3F
+#define QIB_6120_HwErrMask_PCIeBusParityErrMask_LSB 0x1F
+#define QIB_6120_HwErrMask_PCIeBusParityErrMask_RMASK 0x7
+#define QIB_6120_HwErrMask_PcieCplTimeoutMask_LSB 0x1E
+#define QIB_6120_HwErrMask_PcieCplTimeoutMask_RMASK 0x1
+#define QIB_6120_HwErrMask_PoisonedTLPMask_LSB 0x1D
+#define QIB_6120_HwErrMask_PoisonedTLPMask_RMASK 0x1
+#define QIB_6120_HwErrMask_Reserved4_LSB 0x6
+#define QIB_6120_HwErrMask_Reserved4_RMASK 0x7FFFFF
+#define QIB_6120_HwErrMask_PCIeMemParityErrMask_LSB 0x0
+#define QIB_6120_HwErrMask_PCIeMemParityErrMask_RMASK 0x3F
+
+#define QIB_6120_HwErrStatus_OFFS 0xA0
+#define QIB_6120_HwErrStatus_IBCBusFromSPCParityErr_LSB 0x3F
+#define QIB_6120_HwErrStatus_IBCBusFromSPCParityErr_RMASK 0x1
+#define QIB_6120_HwErrStatus_IBCBusToSPCParityErr_LSB 0x3E
+#define QIB_6120_HwErrStatus_IBCBusToSPCParityErr_RMASK 0x1
+#define QIB_6120_HwErrStatus_Reserved_LSB 0x3D
+#define QIB_6120_HwErrStatus_Reserved_RMASK 0x1
+#define QIB_6120_HwErrStatus_IBSerdesPClkNotDetect_LSB 0x3C
+#define QIB_6120_HwErrStatus_IBSerdesPClkNotDetect_RMASK 0x1
+#define QIB_6120_HwErrStatus_PCIESerdesQ0PClkNotDetect_LSB 0x3B
+#define QIB_6120_HwErrStatus_PCIESerdesQ0PClkNotDetect_RMASK 0x1
+#define QIB_6120_HwErrStatus_PCIESerdesQ1PClkNotDetect_LSB 0x3A
+#define QIB_6120_HwErrStatus_PCIESerdesQ1PClkNotDetect_RMASK 0x1
+#define QIB_6120_HwErrStatus_Reserved1_LSB 0x39
+#define QIB_6120_HwErrStatus_Reserved1_RMASK 0x1
+#define QIB_6120_HwErrStatus_IBPLLrfSlip_LSB 0x38
+#define QIB_6120_HwErrStatus_IBPLLrfSlip_RMASK 0x1
+#define QIB_6120_HwErrStatus_IBPLLfbSlip_LSB 0x37
+#define QIB_6120_HwErrStatus_IBPLLfbSlip_RMASK 0x1
+#define QIB_6120_HwErrStatus_PowerOnBISTFailed_LSB 0x36
+#define QIB_6120_HwErrStatus_PowerOnBISTFailed_RMASK 0x1
+#define QIB_6120_HwErrStatus_Reserved2_LSB 0x33
+#define QIB_6120_HwErrStatus_Reserved2_RMASK 0x7
+#define QIB_6120_HwErrStatus_RXEMemParity_LSB 0x2C
+#define QIB_6120_HwErrStatus_RXEMemParity_RMASK 0x7F
+#define QIB_6120_HwErrStatus_TXEMemParity_LSB 0x28
+#define QIB_6120_HwErrStatus_TXEMemParity_RMASK 0xF
+#define QIB_6120_HwErrStatus_Reserved3_LSB 0x22
+#define QIB_6120_HwErrStatus_Reserved3_RMASK 0x3F
+#define QIB_6120_HwErrStatus_PCIeBusParity_LSB 0x1F
+#define QIB_6120_HwErrStatus_PCIeBusParity_RMASK 0x7
+#define QIB_6120_HwErrStatus_PcieCplTimeout_LSB 0x1E
+#define QIB_6120_HwErrStatus_PcieCplTimeout_RMASK 0x1
+#define QIB_6120_HwErrStatus_PoisenedTLP_LSB 0x1D
+#define QIB_6120_HwErrStatus_PoisenedTLP_RMASK 0x1
+#define QIB_6120_HwErrStatus_Reserved4_LSB 0x6
+#define QIB_6120_HwErrStatus_Reserved4_RMASK 0x7FFFFF
+#define QIB_6120_HwErrStatus_PCIeMemParity_LSB 0x0
+#define QIB_6120_HwErrStatus_PCIeMemParity_RMASK 0x3F
+
+#define QIB_6120_HwErrClear_OFFS 0xA8
+#define QIB_6120_HwErrClear_IBCBusFromSPCParityErrClear_LSB 0x3F
+#define QIB_6120_HwErrClear_IBCBusFromSPCParityErrClear_RMASK 0x1
+#define QIB_6120_HwErrClear_IBCBusToSPCparityErrClear_LSB 0x3E
+#define QIB_6120_HwErrClear_IBCBusToSPCparityErrClear_RMASK 0x1
+#define QIB_6120_HwErrClear_Reserved_LSB 0x3D
+#define QIB_6120_HwErrClear_Reserved_RMASK 0x1
+#define QIB_6120_HwErrClear_IBSerdesPClkNotDetectClear_LSB 0x3C
+#define QIB_6120_HwErrClear_IBSerdesPClkNotDetectClear_RMASK 0x1
+#define QIB_6120_HwErrClear_PCIESerdesQ0PClkNotDetectClear_LSB 0x3B
+#define QIB_6120_HwErrClear_PCIESerdesQ0PClkNotDetectClear_RMASK 0x1
+#define QIB_6120_HwErrClear_PCIESerdesQ1PClkNotDetectClear_LSB 0x3A
+#define QIB_6120_HwErrClear_PCIESerdesQ1PClkNotDetectClear_RMASK 0x1
+#define QIB_6120_HwErrClear_Reserved1_LSB 0x39
+#define QIB_6120_HwErrClear_Reserved1_RMASK 0x1
+#define QIB_6120_HwErrClear_IBPLLrfSlipClear_LSB 0x38
+#define QIB_6120_HwErrClear_IBPLLrfSlipClear_RMASK 0x1
+#define QIB_6120_HwErrClear_IBPLLfbSlipClear_LSB 0x37
+#define QIB_6120_HwErrClear_IBPLLfbSlipClear_RMASK 0x1
+#define QIB_6120_HwErrClear_PowerOnBISTFailedClear_LSB 0x36
+#define QIB_6120_HwErrClear_PowerOnBISTFailedClear_RMASK 0x1
+#define QIB_6120_HwErrClear_Reserved2_LSB 0x33
+#define QIB_6120_HwErrClear_Reserved2_RMASK 0x7
+#define QIB_6120_HwErrClear_RXEMemParityClear_LSB 0x2C
+#define QIB_6120_HwErrClear_RXEMemParityClear_RMASK 0x7F
+#define QIB_6120_HwErrClear_TXEMemParityClear_LSB 0x28
+#define QIB_6120_HwErrClear_TXEMemParityClear_RMASK 0xF
+#define QIB_6120_HwErrClear_Reserved3_LSB 0x22
+#define QIB_6120_HwErrClear_Reserved3_RMASK 0x3F
+#define QIB_6120_HwErrClear_PCIeBusParityClr_LSB 0x1F
+#define QIB_6120_HwErrClear_PCIeBusParityClr_RMASK 0x7
+#define QIB_6120_HwErrClear_PcieCplTimeoutClear_LSB 0x1E
+#define QIB_6120_HwErrClear_PcieCplTimeoutClear_RMASK 0x1
+#define QIB_6120_HwErrClear_PoisonedTLPClear_LSB 0x1D
+#define QIB_6120_HwErrClear_PoisonedTLPClear_RMASK 0x1
+#define QIB_6120_HwErrClear_Reserved4_LSB 0x6
+#define QIB_6120_HwErrClear_Reserved4_RMASK 0x7FFFFF
+#define QIB_6120_HwErrClear_PCIeMemParityClr_LSB 0x0
+#define QIB_6120_HwErrClear_PCIeMemParityClr_RMASK 0x3F
+
+#define QIB_6120_HwDiagCtrl_OFFS 0xB0
+#define QIB_6120_HwDiagCtrl_ForceIBCBusFromSPCParityErr_LSB 0x3F
+#define QIB_6120_HwDiagCtrl_ForceIBCBusFromSPCParityErr_RMASK 0x1
+#define QIB_6120_HwDiagCtrl_ForceIBCBusToSPCParityErr_LSB 0x3E
+#define QIB_6120_HwDiagCtrl_ForceIBCBusToSPCParityErr_RMASK 0x1
+#define QIB_6120_HwDiagCtrl_CounterWrEnable_LSB 0x3D
+#define QIB_6120_HwDiagCtrl_CounterWrEnable_RMASK 0x1
+#define QIB_6120_HwDiagCtrl_CounterDisable_LSB 0x3C
+#define QIB_6120_HwDiagCtrl_CounterDisable_RMASK 0x1
+#define QIB_6120_HwDiagCtrl_Reserved_LSB 0x33
+#define QIB_6120_HwDiagCtrl_Reserved_RMASK 0x1FF
+#define QIB_6120_HwDiagCtrl_ForceRxMemParityErr_LSB 0x2C
+#define QIB_6120_HwDiagCtrl_ForceRxMemParityErr_RMASK 0x7F
+#define QIB_6120_HwDiagCtrl_ForceTxMemparityErr_LSB 0x28
+#define QIB_6120_HwDiagCtrl_ForceTxMemparityErr_RMASK 0xF
+#define QIB_6120_HwDiagCtrl_Reserved1_LSB 0x23
+#define QIB_6120_HwDiagCtrl_Reserved1_RMASK 0x1F
+#define QIB_6120_HwDiagCtrl_forcePCIeBusParity_LSB 0x1F
+#define QIB_6120_HwDiagCtrl_forcePCIeBusParity_RMASK 0xF
+#define QIB_6120_HwDiagCtrl_Reserved2_LSB 0x6
+#define QIB_6120_HwDiagCtrl_Reserved2_RMASK 0x1FFFFFF
+#define QIB_6120_HwDiagCtrl_forcePCIeMemParity_LSB 0x0
+#define QIB_6120_HwDiagCtrl_forcePCIeMemParity_RMASK 0x3F
+
+#define QIB_6120_IBCStatus_OFFS 0xC0
+#define QIB_6120_IBCStatus_TxCreditOk_LSB 0x1F
+#define QIB_6120_IBCStatus_TxCreditOk_RMASK 0x1
+#define QIB_6120_IBCStatus_TxReady_LSB 0x1E
+#define QIB_6120_IBCStatus_TxReady_RMASK 0x1
+#define QIB_6120_IBCStatus_Reserved_LSB 0x7
+#define QIB_6120_IBCStatus_Reserved_RMASK 0x7FFFFF
+#define QIB_6120_IBCStatus_LinkState_LSB 0x4
+#define QIB_6120_IBCStatus_LinkState_RMASK 0x7
+#define QIB_6120_IBCStatus_LinkTrainingState_LSB 0x0
+#define QIB_6120_IBCStatus_LinkTrainingState_RMASK 0xF
+
+#define QIB_6120_IBCCtrl_OFFS 0xC8
+#define QIB_6120_IBCCtrl_Loopback_LSB 0x3F
+#define QIB_6120_IBCCtrl_Loopback_RMASK 0x1
+#define QIB_6120_IBCCtrl_LinkDownDefaultState_LSB 0x3E
+#define QIB_6120_IBCCtrl_LinkDownDefaultState_RMASK 0x1
+#define QIB_6120_IBCCtrl_Reserved_LSB 0x2B
+#define QIB_6120_IBCCtrl_Reserved_RMASK 0x7FFFF
+#define QIB_6120_IBCCtrl_CreditScale_LSB 0x28
+#define QIB_6120_IBCCtrl_CreditScale_RMASK 0x7
+#define QIB_6120_IBCCtrl_OverrunThreshold_LSB 0x24
+#define QIB_6120_IBCCtrl_OverrunThreshold_RMASK 0xF
+#define QIB_6120_IBCCtrl_PhyerrThreshold_LSB 0x20
+#define QIB_6120_IBCCtrl_PhyerrThreshold_RMASK 0xF
+#define QIB_6120_IBCCtrl_Reserved1_LSB 0x1F
+#define QIB_6120_IBCCtrl_Reserved1_RMASK 0x1
+#define QIB_6120_IBCCtrl_MaxPktLen_LSB 0x14
+#define QIB_6120_IBCCtrl_MaxPktLen_RMASK 0x7FF
+#define QIB_6120_IBCCtrl_LinkCmd_LSB 0x12
+#define QIB_6120_IBCCtrl_LinkCmd_RMASK 0x3
+#define QIB_6120_IBCCtrl_LinkInitCmd_LSB 0x10
+#define QIB_6120_IBCCtrl_LinkInitCmd_RMASK 0x3
+#define QIB_6120_IBCCtrl_FlowCtrlWaterMark_LSB 0x8
+#define QIB_6120_IBCCtrl_FlowCtrlWaterMark_RMASK 0xFF
+#define QIB_6120_IBCCtrl_FlowCtrlPeriod_LSB 0x0
+#define QIB_6120_IBCCtrl_FlowCtrlPeriod_RMASK 0xFF
+
+#define QIB_6120_EXTStatus_OFFS 0xD0
+#define QIB_6120_EXTStatus_GPIOIn_LSB 0x30
+#define QIB_6120_EXTStatus_GPIOIn_RMASK 0xFFFF
+#define QIB_6120_EXTStatus_Reserved_LSB 0x20
+#define QIB_6120_EXTStatus_Reserved_RMASK 0xFFFF
+#define QIB_6120_EXTStatus_Reserved1_LSB 0x10
+#define QIB_6120_EXTStatus_Reserved1_RMASK 0xFFFF
+#define QIB_6120_EXTStatus_MemBISTFoundErr_LSB 0xF
+#define QIB_6120_EXTStatus_MemBISTFoundErr_RMASK 0x1
+#define QIB_6120_EXTStatus_MemBISTEndTest_LSB 0xE
+#define QIB_6120_EXTStatus_MemBISTEndTest_RMASK 0x1
+#define QIB_6120_EXTStatus_Reserved2_LSB 0x0
+#define QIB_6120_EXTStatus_Reserved2_RMASK 0x3FFF
+
+#define QIB_6120_EXTCtrl_OFFS 0xD8
+#define QIB_6120_EXTCtrl_GPIOOe_LSB 0x30
+#define QIB_6120_EXTCtrl_GPIOOe_RMASK 0xFFFF
+#define QIB_6120_EXTCtrl_GPIOInvert_LSB 0x20
+#define QIB_6120_EXTCtrl_GPIOInvert_RMASK 0xFFFF
+#define QIB_6120_EXTCtrl_Reserved_LSB 0x4
+#define QIB_6120_EXTCtrl_Reserved_RMASK 0xFFFFFFF
+#define QIB_6120_EXTCtrl_LEDPriPortGreenOn_LSB 0x3
+#define QIB_6120_EXTCtrl_LEDPriPortGreenOn_RMASK 0x1
+#define QIB_6120_EXTCtrl_LEDPriPortYellowOn_LSB 0x2
+#define QIB_6120_EXTCtrl_LEDPriPortYellowOn_RMASK 0x1
+#define QIB_6120_EXTCtrl_LEDGblOkGreenOn_LSB 0x1
+#define QIB_6120_EXTCtrl_LEDGblOkGreenOn_RMASK 0x1
+#define QIB_6120_EXTCtrl_LEDGblErrRedOff_LSB 0x0
+#define QIB_6120_EXTCtrl_LEDGblErrRedOff_RMASK 0x1
+
+#define QIB_6120_GPIOOut_OFFS 0xE0
+
+#define QIB_6120_GPIOMask_OFFS 0xE8
+
+#define QIB_6120_GPIOStatus_OFFS 0xF0
+
+#define QIB_6120_GPIOClear_OFFS 0xF8
+
+#define QIB_6120_RcvCtrl_OFFS 0x100
+#define QIB_6120_RcvCtrl_TailUpd_LSB 0x1F
+#define QIB_6120_RcvCtrl_TailUpd_RMASK 0x1
+#define QIB_6120_RcvCtrl_RcvPartitionKeyDisable_LSB 0x1E
+#define QIB_6120_RcvCtrl_RcvPartitionKeyDisable_RMASK 0x1
+#define QIB_6120_RcvCtrl_Reserved_LSB 0x15
+#define QIB_6120_RcvCtrl_Reserved_RMASK 0x1FF
+#define QIB_6120_RcvCtrl_IntrAvail_LSB 0x10
+#define QIB_6120_RcvCtrl_IntrAvail_RMASK 0x1F
+#define QIB_6120_RcvCtrl_Reserved1_LSB 0x9
+#define QIB_6120_RcvCtrl_Reserved1_RMASK 0x7F
+#define QIB_6120_RcvCtrl_Reserved2_LSB 0x5
+#define QIB_6120_RcvCtrl_Reserved2_RMASK 0xF
+#define QIB_6120_RcvCtrl_PortEnable_LSB 0x0
+#define QIB_6120_RcvCtrl_PortEnable_RMASK 0x1F
+
+#define QIB_6120_RcvBTHQP_OFFS 0x108
+#define QIB_6120_RcvBTHQP_BTHQP_Mask_LSB 0x1E
+#define QIB_6120_RcvBTHQP_BTHQP_Mask_RMASK 0x3
+#define QIB_6120_RcvBTHQP_Reserved_LSB 0x18
+#define QIB_6120_RcvBTHQP_Reserved_RMASK 0x3F
+#define QIB_6120_RcvBTHQP_RcvBTHQP_LSB 0x0
+#define QIB_6120_RcvBTHQP_RcvBTHQP_RMASK 0xFFFFFF
+
+#define QIB_6120_RcvHdrSize_OFFS 0x110
+
+#define QIB_6120_RcvHdrCnt_OFFS 0x118
+
+#define QIB_6120_RcvHdrEntSize_OFFS 0x120
+
+#define QIB_6120_RcvTIDBase_OFFS 0x128
+
+#define QIB_6120_RcvTIDCnt_OFFS 0x130
+
+#define QIB_6120_RcvEgrBase_OFFS 0x138
+
+#define QIB_6120_RcvEgrCnt_OFFS 0x140
+
+#define QIB_6120_RcvBufBase_OFFS 0x148
+
+#define QIB_6120_RcvBufSize_OFFS 0x150
+
+#define QIB_6120_RxIntMemBase_OFFS 0x158
+
+#define QIB_6120_RxIntMemSize_OFFS 0x160
+
+#define QIB_6120_RcvPartitionKey_OFFS 0x168
+
+#define QIB_6120_RcvPktLEDCnt_OFFS 0x178
+#define QIB_6120_RcvPktLEDCnt_ONperiod_LSB 0x20
+#define QIB_6120_RcvPktLEDCnt_ONperiod_RMASK 0xFFFFFFFF
+#define QIB_6120_RcvPktLEDCnt_OFFperiod_LSB 0x0
+#define QIB_6120_RcvPktLEDCnt_OFFperiod_RMASK 0xFFFFFFFF
+
+#define QIB_6120_SendCtrl_OFFS 0x1C0
+#define QIB_6120_SendCtrl_Disarm_LSB 0x1F
+#define QIB_6120_SendCtrl_Disarm_RMASK 0x1
+#define QIB_6120_SendCtrl_Reserved_LSB 0x17
+#define QIB_6120_SendCtrl_Reserved_RMASK 0xFF
+#define QIB_6120_SendCtrl_DisarmPIOBuf_LSB 0x10
+#define QIB_6120_SendCtrl_DisarmPIOBuf_RMASK 0x7F
+#define QIB_6120_SendCtrl_Reserved1_LSB 0x4
+#define QIB_6120_SendCtrl_Reserved1_RMASK 0xFFF
+#define QIB_6120_SendCtrl_PIOEnable_LSB 0x3
+#define QIB_6120_SendCtrl_PIOEnable_RMASK 0x1
+#define QIB_6120_SendCtrl_PIOBufAvailUpd_LSB 0x2
+#define QIB_6120_SendCtrl_PIOBufAvailUpd_RMASK 0x1
+#define QIB_6120_SendCtrl_PIOIntBufAvail_LSB 0x1
+#define QIB_6120_SendCtrl_PIOIntBufAvail_RMASK 0x1
+#define QIB_6120_SendCtrl_Abort_LSB 0x0
+#define QIB_6120_SendCtrl_Abort_RMASK 0x1
+
+#define QIB_6120_SendPIOBufBase_OFFS 0x1C8
+#define QIB_6120_SendPIOBufBase_Reserved_LSB 0x35
+#define QIB_6120_SendPIOBufBase_Reserved_RMASK 0x7FF
+#define QIB_6120_SendPIOBufBase_BaseAddr_LargePIO_LSB 0x20
+#define QIB_6120_SendPIOBufBase_BaseAddr_LargePIO_RMASK 0x1FFFFF
+#define QIB_6120_SendPIOBufBase_Reserved1_LSB 0x15
+#define QIB_6120_SendPIOBufBase_Reserved1_RMASK 0x7FF
+#define QIB_6120_SendPIOBufBase_BaseAddr_SmallPIO_LSB 0x0
+#define QIB_6120_SendPIOBufBase_BaseAddr_SmallPIO_RMASK 0x1FFFFF
+
+#define QIB_6120_SendPIOSize_OFFS 0x1D0
+#define QIB_6120_SendPIOSize_Reserved_LSB 0x2D
+#define QIB_6120_SendPIOSize_Reserved_RMASK 0xFFFFF
+#define QIB_6120_SendPIOSize_Size_LargePIO_LSB 0x20
+#define QIB_6120_SendPIOSize_Size_LargePIO_RMASK 0x1FFF
+#define QIB_6120_SendPIOSize_Reserved1_LSB 0xC
+#define QIB_6120_SendPIOSize_Reserved1_RMASK 0xFFFFF
+#define QIB_6120_SendPIOSize_Size_SmallPIO_LSB 0x0
+#define QIB_6120_SendPIOSize_Size_SmallPIO_RMASK 0xFFF
+
+#define QIB_6120_SendPIOBufCnt_OFFS 0x1D8
+#define QIB_6120_SendPIOBufCnt_Reserved_LSB 0x24
+#define QIB_6120_SendPIOBufCnt_Reserved_RMASK 0xFFFFFFF
+#define QIB_6120_SendPIOBufCnt_Num_LargePIO_LSB 0x20
+#define QIB_6120_SendPIOBufCnt_Num_LargePIO_RMASK 0xF
+#define QIB_6120_SendPIOBufCnt_Reserved1_LSB 0x9
+#define QIB_6120_SendPIOBufCnt_Reserved1_RMASK 0x7FFFFF
+#define QIB_6120_SendPIOBufCnt_Num_SmallPIO_LSB 0x0
+#define QIB_6120_SendPIOBufCnt_Num_SmallPIO_RMASK 0x1FF
+
+#define QIB_6120_SendPIOAvailAddr_OFFS 0x1E0
+#define QIB_6120_SendPIOAvailAddr_SendPIOAvailAddr_LSB 0x6
+#define QIB_6120_SendPIOAvailAddr_SendPIOAvailAddr_RMASK 0x3FFFFFFFF
+#define QIB_6120_SendPIOAvailAddr_Reserved_LSB 0x0
+#define QIB_6120_SendPIOAvailAddr_Reserved_RMASK 0x3F
+
+#define QIB_6120_SendBufErr0_OFFS 0x240
+#define QIB_6120_SendBufErr0_SendBufErrPIO_63_0_LSB 0x0
+#define QIB_6120_SendBufErr0_SendBufErrPIO_63_0_RMASK 0x0
+
+#define QIB_6120_RcvHdrAddr0_OFFS 0x280
+#define QIB_6120_RcvHdrAddr0_RcvHdrAddr0_LSB 0x2
+#define QIB_6120_RcvHdrAddr0_RcvHdrAddr0_RMASK 0x3FFFFFFFFF
+#define QIB_6120_RcvHdrAddr0_Reserved_LSB 0x0
+#define QIB_6120_RcvHdrAddr0_Reserved_RMASK 0x3
+
+#define QIB_6120_RcvHdrTailAddr0_OFFS 0x300
+#define QIB_6120_RcvHdrTailAddr0_RcvHdrTailAddr0_LSB 0x2
+#define QIB_6120_RcvHdrTailAddr0_RcvHdrTailAddr0_RMASK 0x3FFFFFFFFF
+#define QIB_6120_RcvHdrTailAddr0_Reserved_LSB 0x0
+#define QIB_6120_RcvHdrTailAddr0_Reserved_RMASK 0x3
+
+#define QIB_6120_SerdesCfg0_OFFS 0x3C0
+#define QIB_6120_SerdesCfg0_DisableIBTxIdleDetect_LSB 0x3F
+#define QIB_6120_SerdesCfg0_DisableIBTxIdleDetect_RMASK 0x1
+#define QIB_6120_SerdesCfg0_Reserved_LSB 0x38
+#define QIB_6120_SerdesCfg0_Reserved_RMASK 0x7F
+#define QIB_6120_SerdesCfg0_RxEqCtl_LSB 0x36
+#define QIB_6120_SerdesCfg0_RxEqCtl_RMASK 0x3
+#define QIB_6120_SerdesCfg0_TxTermAdj_LSB 0x34
+#define QIB_6120_SerdesCfg0_TxTermAdj_RMASK 0x3
+#define QIB_6120_SerdesCfg0_RxTermAdj_LSB 0x32
+#define QIB_6120_SerdesCfg0_RxTermAdj_RMASK 0x3
+#define QIB_6120_SerdesCfg0_TermAdj1_LSB 0x31
+#define QIB_6120_SerdesCfg0_TermAdj1_RMASK 0x1
+#define QIB_6120_SerdesCfg0_TermAdj0_LSB 0x30
+#define QIB_6120_SerdesCfg0_TermAdj0_RMASK 0x1
+#define QIB_6120_SerdesCfg0_LPBKA_LSB 0x2F
+#define QIB_6120_SerdesCfg0_LPBKA_RMASK 0x1
+#define QIB_6120_SerdesCfg0_LPBKB_LSB 0x2E
+#define QIB_6120_SerdesCfg0_LPBKB_RMASK 0x1
+#define QIB_6120_SerdesCfg0_LPBKC_LSB 0x2D
+#define QIB_6120_SerdesCfg0_LPBKC_RMASK 0x1
+#define QIB_6120_SerdesCfg0_LPBKD_LSB 0x2C
+#define QIB_6120_SerdesCfg0_LPBKD_RMASK 0x1
+#define QIB_6120_SerdesCfg0_PW_LSB 0x2B
+#define QIB_6120_SerdesCfg0_PW_RMASK 0x1
+#define QIB_6120_SerdesCfg0_RefSel_LSB 0x29
+#define QIB_6120_SerdesCfg0_RefSel_RMASK 0x3
+#define QIB_6120_SerdesCfg0_ParReset_LSB 0x28
+#define QIB_6120_SerdesCfg0_ParReset_RMASK 0x1
+#define QIB_6120_SerdesCfg0_ParLPBK_LSB 0x27
+#define QIB_6120_SerdesCfg0_ParLPBK_RMASK 0x1
+#define QIB_6120_SerdesCfg0_OffsetEn_LSB 0x26
+#define QIB_6120_SerdesCfg0_OffsetEn_RMASK 0x1
+#define QIB_6120_SerdesCfg0_Offset_LSB 0x1E
+#define QIB_6120_SerdesCfg0_Offset_RMASK 0xFF
+#define QIB_6120_SerdesCfg0_L2PwrDn_LSB 0x1D
+#define QIB_6120_SerdesCfg0_L2PwrDn_RMASK 0x1
+#define QIB_6120_SerdesCfg0_ResetPLL_LSB 0x1C
+#define QIB_6120_SerdesCfg0_ResetPLL_RMASK 0x1
+#define QIB_6120_SerdesCfg0_RxTermEnX_LSB 0x18
+#define QIB_6120_SerdesCfg0_RxTermEnX_RMASK 0xF
+#define QIB_6120_SerdesCfg0_BeaconTxEnX_LSB 0x14
+#define QIB_6120_SerdesCfg0_BeaconTxEnX_RMASK 0xF
+#define QIB_6120_SerdesCfg0_RxDetEnX_LSB 0x10
+#define QIB_6120_SerdesCfg0_RxDetEnX_RMASK 0xF
+#define QIB_6120_SerdesCfg0_TxIdeEnX_LSB 0xC
+#define QIB_6120_SerdesCfg0_TxIdeEnX_RMASK 0xF
+#define QIB_6120_SerdesCfg0_RxIdleEnX_LSB 0x8
+#define QIB_6120_SerdesCfg0_RxIdleEnX_RMASK 0xF
+#define QIB_6120_SerdesCfg0_L1PwrDnA_LSB 0x7
+#define QIB_6120_SerdesCfg0_L1PwrDnA_RMASK 0x1
+#define QIB_6120_SerdesCfg0_L1PwrDnB_LSB 0x6
+#define QIB_6120_SerdesCfg0_L1PwrDnB_RMASK 0x1
+#define QIB_6120_SerdesCfg0_L1PwrDnC_LSB 0x5
+#define QIB_6120_SerdesCfg0_L1PwrDnC_RMASK 0x1
+#define QIB_6120_SerdesCfg0_L1PwrDnD_LSB 0x4
+#define QIB_6120_SerdesCfg0_L1PwrDnD_RMASK 0x1
+#define QIB_6120_SerdesCfg0_ResetA_LSB 0x3
+#define QIB_6120_SerdesCfg0_ResetA_RMASK 0x1
+#define QIB_6120_SerdesCfg0_ResetB_LSB 0x2
+#define QIB_6120_SerdesCfg0_ResetB_RMASK 0x1
+#define QIB_6120_SerdesCfg0_ResetC_LSB 0x1
+#define QIB_6120_SerdesCfg0_ResetC_RMASK 0x1
+#define QIB_6120_SerdesCfg0_ResetD_LSB 0x0
+#define QIB_6120_SerdesCfg0_ResetD_RMASK 0x1
+
+#define QIB_6120_SerdesStat_OFFS 0x3D0
+#define QIB_6120_SerdesStat_Reserved_LSB 0xC
+#define QIB_6120_SerdesStat_Reserved_RMASK 0xFFFFFFFFFFFFF
+#define QIB_6120_SerdesStat_BeaconDetA_LSB 0xB
+#define QIB_6120_SerdesStat_BeaconDetA_RMASK 0x1
+#define QIB_6120_SerdesStat_BeaconDetB_LSB 0xA
+#define QIB_6120_SerdesStat_BeaconDetB_RMASK 0x1
+#define QIB_6120_SerdesStat_BeaconDetC_LSB 0x9
+#define QIB_6120_SerdesStat_BeaconDetC_RMASK 0x1
+#define QIB_6120_SerdesStat_BeaconDetD_LSB 0x8
+#define QIB_6120_SerdesStat_BeaconDetD_RMASK 0x1
+#define QIB_6120_SerdesStat_RxDetA_LSB 0x7
+#define QIB_6120_SerdesStat_RxDetA_RMASK 0x1
+#define QIB_6120_SerdesStat_RxDetB_LSB 0x6
+#define QIB_6120_SerdesStat_RxDetB_RMASK 0x1
+#define QIB_6120_SerdesStat_RxDetC_LSB 0x5
+#define QIB_6120_SerdesStat_RxDetC_RMASK 0x1
+#define QIB_6120_SerdesStat_RxDetD_LSB 0x4
+#define QIB_6120_SerdesStat_RxDetD_RMASK 0x1
+#define QIB_6120_SerdesStat_TxIdleDetA_LSB 0x3
+#define QIB_6120_SerdesStat_TxIdleDetA_RMASK 0x1
+#define QIB_6120_SerdesStat_TxIdleDetB_LSB 0x2
+#define QIB_6120_SerdesStat_TxIdleDetB_RMASK 0x1
+#define QIB_6120_SerdesStat_TxIdleDetC_LSB 0x1
+#define QIB_6120_SerdesStat_TxIdleDetC_RMASK 0x1
+#define QIB_6120_SerdesStat_TxIdleDetD_LSB 0x0
+#define QIB_6120_SerdesStat_TxIdleDetD_RMASK 0x1
+
+#define QIB_6120_XGXSCfg_OFFS 0x3D8
+#define QIB_6120_XGXSCfg_ArmLaunchErrorDisable_LSB 0x3F
+#define QIB_6120_XGXSCfg_ArmLaunchErrorDisable_RMASK 0x1
+#define QIB_6120_XGXSCfg_Reserved_LSB 0x17
+#define QIB_6120_XGXSCfg_Reserved_RMASK 0xFFFFFFFFFF
+#define QIB_6120_XGXSCfg_polarity_inv_LSB 0x13
+#define QIB_6120_XGXSCfg_polarity_inv_RMASK 0xF
+#define QIB_6120_XGXSCfg_link_sync_mask_LSB 0x9
+#define QIB_6120_XGXSCfg_link_sync_mask_RMASK 0x3FF
+#define QIB_6120_XGXSCfg_port_addr_LSB 0x4
+#define QIB_6120_XGXSCfg_port_addr_RMASK 0x1F
+#define QIB_6120_XGXSCfg_mdd_30_LSB 0x3
+#define QIB_6120_XGXSCfg_mdd_30_RMASK 0x1
+#define QIB_6120_XGXSCfg_xcv_resetn_LSB 0x2
+#define QIB_6120_XGXSCfg_xcv_resetn_RMASK 0x1
+#define QIB_6120_XGXSCfg_Reserved1_LSB 0x1
+#define QIB_6120_XGXSCfg_Reserved1_RMASK 0x1
+#define QIB_6120_XGXSCfg_tx_rx_resetn_LSB 0x0
+#define QIB_6120_XGXSCfg_tx_rx_resetn_RMASK 0x1
+
+#define QIB_6120_LBIntCnt_OFFS 0x12000
+
+#define QIB_6120_LBFlowStallCnt_OFFS 0x12008
+
+#define QIB_6120_TxUnsupVLErrCnt_OFFS 0x12018
+
+#define QIB_6120_TxDataPktCnt_OFFS 0x12020
+
+#define QIB_6120_TxFlowPktCnt_OFFS 0x12028
+
+#define QIB_6120_TxDwordCnt_OFFS 0x12030
+
+#define QIB_6120_TxLenErrCnt_OFFS 0x12038
+
+#define QIB_6120_TxMaxMinLenErrCnt_OFFS 0x12040
+
+#define QIB_6120_TxUnderrunCnt_OFFS 0x12048
+
+#define QIB_6120_TxFlowStallCnt_OFFS 0x12050
+
+#define QIB_6120_TxDroppedPktCnt_OFFS 0x12058
+
+#define QIB_6120_RxDroppedPktCnt_OFFS 0x12060
+
+#define QIB_6120_RxDataPktCnt_OFFS 0x12068
+
+#define QIB_6120_RxFlowPktCnt_OFFS 0x12070
+
+#define QIB_6120_RxDwordCnt_OFFS 0x12078
+
+#define QIB_6120_RxLenErrCnt_OFFS 0x12080
+
+#define QIB_6120_RxMaxMinLenErrCnt_OFFS 0x12088
+
+#define QIB_6120_RxICRCErrCnt_OFFS 0x12090
+
+#define QIB_6120_RxVCRCErrCnt_OFFS 0x12098
+
+#define QIB_6120_RxFlowCtrlErrCnt_OFFS 0x120A0
+
+#define QIB_6120_RxBadFormatCnt_OFFS 0x120A8
+
+#define QIB_6120_RxLinkProblemCnt_OFFS 0x120B0
+
+#define QIB_6120_RxEBPCnt_OFFS 0x120B8
+
+#define QIB_6120_RxLPCRCErrCnt_OFFS 0x120C0
+
+#define QIB_6120_RxBufOvflCnt_OFFS 0x120C8
+
+#define QIB_6120_RxTIDFullErrCnt_OFFS 0x120D0
+
+#define QIB_6120_RxTIDValidErrCnt_OFFS 0x120D8
+
+#define QIB_6120_RxPKeyMismatchCnt_OFFS 0x120E0
+
+#define QIB_6120_RxP0HdrEgrOvflCnt_OFFS 0x120E8
+
+#define QIB_6120_IBStatusChangeCnt_OFFS 0x12140
+
+#define QIB_6120_IBLinkErrRecoveryCnt_OFFS 0x12148
+
+#define QIB_6120_IBLinkDownedCnt_OFFS 0x12150
+
+#define QIB_6120_IBSymbolErrCnt_OFFS 0x12158
+
+#define QIB_6120_PcieRetryBufDiagQwordCnt_OFFS 0x12170
+
+#define QIB_6120_RcvEgrArray0_OFFS 0x14000
+
+#define QIB_6120_RcvTIDArray0_OFFS 0x54000
+
+#define QIB_6120_PIOLaunchFIFO_OFFS 0x64000
+
+#define QIB_6120_SendPIOpbcCache_OFFS 0x64800
+
+#define QIB_6120_RcvBuf1_OFFS 0x72000
+
+#define QIB_6120_RcvBuf2_OFFS 0x75000
+
+#define QIB_6120_RcvFlags_OFFS 0x77000
+
+#define QIB_6120_RcvLookupBuf1_OFFS 0x79000
+
+#define QIB_6120_RcvDMABuf_OFFS 0x7B000
+
+#define QIB_6120_MiscRXEIntMem_OFFS 0x7C000
+
+#define QIB_6120_PCIERcvBuf_OFFS 0x80000
+
+#define QIB_6120_PCIERetryBuf_OFFS 0x82000
+
+#define QIB_6120_PCIERcvBufRdToWrAddr_OFFS 0x84000
+
+#define QIB_6120_PIOBuf0_MA_OFFS 0x100000
diff --git a/drivers/infiniband/hw/qib/qib_7220.h b/drivers/infiniband/hw/qib/qib_7220.h
new file mode 100644
index 00000000000..ea0bfd896f9
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_7220.h
@@ -0,0 +1,156 @@
+#ifndef _QIB_7220_H
+#define _QIB_7220_H
+/*
+ * Copyright (c) 2007, 2009, 2010 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* grab register-defs auto-generated by HW */
+#include "qib_7220_regs.h"
+
+/* The number of eager receive TIDs for context zero. */
+#define IBA7220_KRCVEGRCNT      2048U
+
+#define IB_7220_LT_STATE_CFGRCVFCFG      0x09
+#define IB_7220_LT_STATE_CFGWAITRMT      0x0a
+#define IB_7220_LT_STATE_TXREVLANES      0x0d
+#define IB_7220_LT_STATE_CFGENH          0x10
+
+struct qib_chip_specific {
+	u64 __iomem *cregbase;
+	u64 *cntrs;
+	u64 *portcntrs;
+	spinlock_t sdepb_lock; /* serdes EPB bus */
+	spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */
+	spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */
+	u64 hwerrmask;
+	u64 errormask;
+	u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */
+	u64 gpio_mask; /* shadow the gpio mask register */
+	u64 extctrl; /* shadow the gpio output enable, etc... */
+	u32 ncntrs;
+	u32 nportcntrs;
+	u32 cntrnamelen;
+	u32 portcntrnamelen;
+	u32 numctxts;
+	u32 rcvegrcnt;
+	u32 autoneg_tries;
+	u32 serdes_first_init_done;
+	u32 sdmabufcnt;
+	u32 lastbuf_for_pio;
+	u32 updthresh; /* current AvailUpdThld */
+	u32 updthresh_dflt; /* default AvailUpdThld */
+	int irq;
+	u8 presets_needed;
+	u8 relock_timer_active;
+	char emsgbuf[128];
+	char sdmamsgbuf[192];
+	char bitsmsgbuf[64];
+	struct timer_list relock_timer;
+	unsigned int relock_interval; /* in jiffies */
+};
+
+struct qib_chippport_specific {
+	struct qib_pportdata pportdata;
+	wait_queue_head_t autoneg_wait;
+	struct delayed_work autoneg_work;
+	struct timer_list chase_timer;
+	/*
+	 * these 5 fields are used to establish deltas for IB symbol
+	 * errors and linkrecovery errors.  They can be reported on
+	 * some chips during link negotiation prior to INIT, and with
+	 * DDR when faking DDR negotiations with non-IBTA switches.
+	 * The chip counters are adjusted at driver unload if there is
+	 * a non-zero delta.
+	 */
+	u64 ibdeltainprog;
+	u64 ibsymdelta;
+	u64 ibsymsnap;
+	u64 iblnkerrdelta;
+	u64 iblnkerrsnap;
+	u64 ibcctrl; /* kr_ibcctrl shadow */
+	u64 ibcddrctrl; /* kr_ibcddrctrl shadow */
+	u64 chase_end;
+	u32 last_delay_mult;
+};
+
+/*
+ * This header file provides the declarations and common definitions
+ * for (mostly) manipulation of the SerDes blocks within the IBA7220.
+ * the functions declared should only be called from within other
+ * 7220-related files such as qib_iba7220.c or qib_sd7220.c.
+ */
+int qib_sd7220_presets(struct qib_devdata *dd);
+int qib_sd7220_init(struct qib_devdata *dd);
+int qib_sd7220_prog_ld(struct qib_devdata *dd, int sdnum, u8 *img,
+		       int len, int offset);
+int qib_sd7220_prog_vfy(struct qib_devdata *dd, int sdnum, const u8 *img,
+			int len, int offset);
+void qib_sd7220_clr_ibpar(struct qib_devdata *);
+/*
+ * Below used for sdnum parameter, selecting one of the two sections
+ * used for PCIe, or the single SerDes used for IB, which is the
+ * only one currently used
+ */
+#define IB_7220_SERDES 2
+
+int qib_sd7220_ib_load(struct qib_devdata *dd);
+int qib_sd7220_ib_vfy(struct qib_devdata *dd);
+
+static inline u32 qib_read_kreg32(const struct qib_devdata *dd,
+				  const u16 regno)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return -1;
+	return readl((u32 __iomem *)&dd->kregbase[regno]);
+}
+
+static inline u64 qib_read_kreg64(const struct qib_devdata *dd,
+				  const u16 regno)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return -1;
+
+	return readq(&dd->kregbase[regno]);
+}
+
+static inline void qib_write_kreg(const struct qib_devdata *dd,
+				  const u16 regno, u64 value)
+{
+	if (dd->kregbase)
+		writeq(value, &dd->kregbase[regno]);
+}
+
+void set_7220_relock_poll(struct qib_devdata *, int);
+void shutdown_7220_relock_poll(struct qib_devdata *);
+void toggle_7220_rclkrls(struct qib_devdata *);
+
+
+#endif /* _QIB_7220_H */
diff --git a/drivers/infiniband/hw/qib/qib_7220_regs.h b/drivers/infiniband/hw/qib/qib_7220_regs.h
new file mode 100644
index 00000000000..0da5bb750e5
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_7220_regs.h
@@ -0,0 +1,1496 @@
+/*
+ * Copyright (c) 2008, 2009, 2010 QLogic Corporation. All rights reserved.
+ *
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+/* This file is mechanically generated from RTL. Any hand-edits will be lost! */
+
+#define QIB_7220_Revision_OFFS 0x0
+#define QIB_7220_Revision_R_Simulator_LSB 0x3F
+#define QIB_7220_Revision_R_Simulator_RMASK 0x1
+#define QIB_7220_Revision_R_Emulation_LSB 0x3E
+#define QIB_7220_Revision_R_Emulation_RMASK 0x1
+#define QIB_7220_Revision_R_Emulation_Revcode_LSB 0x28
+#define QIB_7220_Revision_R_Emulation_Revcode_RMASK 0x3FFFFF
+#define QIB_7220_Revision_BoardID_LSB 0x20
+#define QIB_7220_Revision_BoardID_RMASK 0xFF
+#define QIB_7220_Revision_R_SW_LSB 0x18
+#define QIB_7220_Revision_R_SW_RMASK 0xFF
+#define QIB_7220_Revision_R_Arch_LSB 0x10
+#define QIB_7220_Revision_R_Arch_RMASK 0xFF
+#define QIB_7220_Revision_R_ChipRevMajor_LSB 0x8
+#define QIB_7220_Revision_R_ChipRevMajor_RMASK 0xFF
+#define QIB_7220_Revision_R_ChipRevMinor_LSB 0x0
+#define QIB_7220_Revision_R_ChipRevMinor_RMASK 0xFF
+
+#define QIB_7220_Control_OFFS 0x8
+#define QIB_7220_Control_SyncResetExceptPcieIRAMRST_LSB 0x7
+#define QIB_7220_Control_SyncResetExceptPcieIRAMRST_RMASK 0x1
+#define QIB_7220_Control_PCIECplQDiagEn_LSB 0x6
+#define QIB_7220_Control_PCIECplQDiagEn_RMASK 0x1
+#define QIB_7220_Control_Reserved_LSB 0x5
+#define QIB_7220_Control_Reserved_RMASK 0x1
+#define QIB_7220_Control_TxLatency_LSB 0x4
+#define QIB_7220_Control_TxLatency_RMASK 0x1
+#define QIB_7220_Control_PCIERetryBufDiagEn_LSB 0x3
+#define QIB_7220_Control_PCIERetryBufDiagEn_RMASK 0x1
+#define QIB_7220_Control_LinkEn_LSB 0x2
+#define QIB_7220_Control_LinkEn_RMASK 0x1
+#define QIB_7220_Control_FreezeMode_LSB 0x1
+#define QIB_7220_Control_FreezeMode_RMASK 0x1
+#define QIB_7220_Control_SyncReset_LSB 0x0
+#define QIB_7220_Control_SyncReset_RMASK 0x1
+
+#define QIB_7220_PageAlign_OFFS 0x10
+
+#define QIB_7220_PortCnt_OFFS 0x18
+
+#define QIB_7220_SendRegBase_OFFS 0x30
+
+#define QIB_7220_UserRegBase_OFFS 0x38
+
+#define QIB_7220_CntrRegBase_OFFS 0x40
+
+#define QIB_7220_Scratch_OFFS 0x48
+
+#define QIB_7220_IntMask_OFFS 0x68
+#define QIB_7220_IntMask_SDmaIntMask_LSB 0x3F
+#define QIB_7220_IntMask_SDmaIntMask_RMASK 0x1
+#define QIB_7220_IntMask_SDmaDisabledMasked_LSB 0x3E
+#define QIB_7220_IntMask_SDmaDisabledMasked_RMASK 0x1
+#define QIB_7220_IntMask_Reserved_LSB 0x31
+#define QIB_7220_IntMask_Reserved_RMASK 0x1FFF
+#define QIB_7220_IntMask_RcvUrg16IntMask_LSB 0x30
+#define QIB_7220_IntMask_RcvUrg16IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg15IntMask_LSB 0x2F
+#define QIB_7220_IntMask_RcvUrg15IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg14IntMask_LSB 0x2E
+#define QIB_7220_IntMask_RcvUrg14IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg13IntMask_LSB 0x2D
+#define QIB_7220_IntMask_RcvUrg13IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg12IntMask_LSB 0x2C
+#define QIB_7220_IntMask_RcvUrg12IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg11IntMask_LSB 0x2B
+#define QIB_7220_IntMask_RcvUrg11IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg10IntMask_LSB 0x2A
+#define QIB_7220_IntMask_RcvUrg10IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg9IntMask_LSB 0x29
+#define QIB_7220_IntMask_RcvUrg9IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg8IntMask_LSB 0x28
+#define QIB_7220_IntMask_RcvUrg8IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg7IntMask_LSB 0x27
+#define QIB_7220_IntMask_RcvUrg7IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg6IntMask_LSB 0x26
+#define QIB_7220_IntMask_RcvUrg6IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg5IntMask_LSB 0x25
+#define QIB_7220_IntMask_RcvUrg5IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg4IntMask_LSB 0x24
+#define QIB_7220_IntMask_RcvUrg4IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg3IntMask_LSB 0x23
+#define QIB_7220_IntMask_RcvUrg3IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg2IntMask_LSB 0x22
+#define QIB_7220_IntMask_RcvUrg2IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg1IntMask_LSB 0x21
+#define QIB_7220_IntMask_RcvUrg1IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvUrg0IntMask_LSB 0x20
+#define QIB_7220_IntMask_RcvUrg0IntMask_RMASK 0x1
+#define QIB_7220_IntMask_ErrorIntMask_LSB 0x1F
+#define QIB_7220_IntMask_ErrorIntMask_RMASK 0x1
+#define QIB_7220_IntMask_PioSetIntMask_LSB 0x1E
+#define QIB_7220_IntMask_PioSetIntMask_RMASK 0x1
+#define QIB_7220_IntMask_PioBufAvailIntMask_LSB 0x1D
+#define QIB_7220_IntMask_PioBufAvailIntMask_RMASK 0x1
+#define QIB_7220_IntMask_assertGPIOIntMask_LSB 0x1C
+#define QIB_7220_IntMask_assertGPIOIntMask_RMASK 0x1
+#define QIB_7220_IntMask_IBSerdesTrimDoneIntMask_LSB 0x1B
+#define QIB_7220_IntMask_IBSerdesTrimDoneIntMask_RMASK 0x1
+#define QIB_7220_IntMask_JIntMask_LSB 0x1A
+#define QIB_7220_IntMask_JIntMask_RMASK 0x1
+#define QIB_7220_IntMask_Reserved1_LSB 0x11
+#define QIB_7220_IntMask_Reserved1_RMASK 0x1FF
+#define QIB_7220_IntMask_RcvAvail16IntMask_LSB 0x10
+#define QIB_7220_IntMask_RcvAvail16IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail15IntMask_LSB 0xF
+#define QIB_7220_IntMask_RcvAvail15IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail14IntMask_LSB 0xE
+#define QIB_7220_IntMask_RcvAvail14IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail13IntMask_LSB 0xD
+#define QIB_7220_IntMask_RcvAvail13IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail12IntMask_LSB 0xC
+#define QIB_7220_IntMask_RcvAvail12IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail11IntMask_LSB 0xB
+#define QIB_7220_IntMask_RcvAvail11IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail10IntMask_LSB 0xA
+#define QIB_7220_IntMask_RcvAvail10IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail9IntMask_LSB 0x9
+#define QIB_7220_IntMask_RcvAvail9IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail8IntMask_LSB 0x8
+#define QIB_7220_IntMask_RcvAvail8IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail7IntMask_LSB 0x7
+#define QIB_7220_IntMask_RcvAvail7IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail6IntMask_LSB 0x6
+#define QIB_7220_IntMask_RcvAvail6IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail5IntMask_LSB 0x5
+#define QIB_7220_IntMask_RcvAvail5IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail4IntMask_LSB 0x4
+#define QIB_7220_IntMask_RcvAvail4IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail3IntMask_LSB 0x3
+#define QIB_7220_IntMask_RcvAvail3IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail2IntMask_LSB 0x2
+#define QIB_7220_IntMask_RcvAvail2IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail1IntMask_LSB 0x1
+#define QIB_7220_IntMask_RcvAvail1IntMask_RMASK 0x1
+#define QIB_7220_IntMask_RcvAvail0IntMask_LSB 0x0
+#define QIB_7220_IntMask_RcvAvail0IntMask_RMASK 0x1
+
+#define QIB_7220_IntStatus_OFFS 0x70
+#define QIB_7220_IntStatus_SDmaInt_LSB 0x3F
+#define QIB_7220_IntStatus_SDmaInt_RMASK 0x1
+#define QIB_7220_IntStatus_SDmaDisabled_LSB 0x3E
+#define QIB_7220_IntStatus_SDmaDisabled_RMASK 0x1
+#define QIB_7220_IntStatus_Reserved_LSB 0x31
+#define QIB_7220_IntStatus_Reserved_RMASK 0x1FFF
+#define QIB_7220_IntStatus_RcvUrg16_LSB 0x30
+#define QIB_7220_IntStatus_RcvUrg16_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg15_LSB 0x2F
+#define QIB_7220_IntStatus_RcvUrg15_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg14_LSB 0x2E
+#define QIB_7220_IntStatus_RcvUrg14_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg13_LSB 0x2D
+#define QIB_7220_IntStatus_RcvUrg13_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg12_LSB 0x2C
+#define QIB_7220_IntStatus_RcvUrg12_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg11_LSB 0x2B
+#define QIB_7220_IntStatus_RcvUrg11_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg10_LSB 0x2A
+#define QIB_7220_IntStatus_RcvUrg10_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg9_LSB 0x29
+#define QIB_7220_IntStatus_RcvUrg9_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg8_LSB 0x28
+#define QIB_7220_IntStatus_RcvUrg8_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg7_LSB 0x27
+#define QIB_7220_IntStatus_RcvUrg7_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg6_LSB 0x26
+#define QIB_7220_IntStatus_RcvUrg6_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg5_LSB 0x25
+#define QIB_7220_IntStatus_RcvUrg5_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg4_LSB 0x24
+#define QIB_7220_IntStatus_RcvUrg4_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg3_LSB 0x23
+#define QIB_7220_IntStatus_RcvUrg3_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg2_LSB 0x22
+#define QIB_7220_IntStatus_RcvUrg2_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg1_LSB 0x21
+#define QIB_7220_IntStatus_RcvUrg1_RMASK 0x1
+#define QIB_7220_IntStatus_RcvUrg0_LSB 0x20
+#define QIB_7220_IntStatus_RcvUrg0_RMASK 0x1
+#define QIB_7220_IntStatus_Error_LSB 0x1F
+#define QIB_7220_IntStatus_Error_RMASK 0x1
+#define QIB_7220_IntStatus_PioSent_LSB 0x1E
+#define QIB_7220_IntStatus_PioSent_RMASK 0x1
+#define QIB_7220_IntStatus_PioBufAvail_LSB 0x1D
+#define QIB_7220_IntStatus_PioBufAvail_RMASK 0x1
+#define QIB_7220_IntStatus_assertGPIO_LSB 0x1C
+#define QIB_7220_IntStatus_assertGPIO_RMASK 0x1
+#define QIB_7220_IntStatus_IBSerdesTrimDone_LSB 0x1B
+#define QIB_7220_IntStatus_IBSerdesTrimDone_RMASK 0x1
+#define QIB_7220_IntStatus_JInt_LSB 0x1A
+#define QIB_7220_IntStatus_JInt_RMASK 0x1
+#define QIB_7220_IntStatus_Reserved1_LSB 0x11
+#define QIB_7220_IntStatus_Reserved1_RMASK 0x1FF
+#define QIB_7220_IntStatus_RcvAvail16_LSB 0x10
+#define QIB_7220_IntStatus_RcvAvail16_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail15_LSB 0xF
+#define QIB_7220_IntStatus_RcvAvail15_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail14_LSB 0xE
+#define QIB_7220_IntStatus_RcvAvail14_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail13_LSB 0xD
+#define QIB_7220_IntStatus_RcvAvail13_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail12_LSB 0xC
+#define QIB_7220_IntStatus_RcvAvail12_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail11_LSB 0xB
+#define QIB_7220_IntStatus_RcvAvail11_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail10_LSB 0xA
+#define QIB_7220_IntStatus_RcvAvail10_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail9_LSB 0x9
+#define QIB_7220_IntStatus_RcvAvail9_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail8_LSB 0x8
+#define QIB_7220_IntStatus_RcvAvail8_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail7_LSB 0x7
+#define QIB_7220_IntStatus_RcvAvail7_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail6_LSB 0x6
+#define QIB_7220_IntStatus_RcvAvail6_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail5_LSB 0x5
+#define QIB_7220_IntStatus_RcvAvail5_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail4_LSB 0x4
+#define QIB_7220_IntStatus_RcvAvail4_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail3_LSB 0x3
+#define QIB_7220_IntStatus_RcvAvail3_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail2_LSB 0x2
+#define QIB_7220_IntStatus_RcvAvail2_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail1_LSB 0x1
+#define QIB_7220_IntStatus_RcvAvail1_RMASK 0x1
+#define QIB_7220_IntStatus_RcvAvail0_LSB 0x0
+#define QIB_7220_IntStatus_RcvAvail0_RMASK 0x1
+
+#define QIB_7220_IntClear_OFFS 0x78
+#define QIB_7220_IntClear_SDmaIntClear_LSB 0x3F
+#define QIB_7220_IntClear_SDmaIntClear_RMASK 0x1
+#define QIB_7220_IntClear_SDmaDisabledClear_LSB 0x3E
+#define QIB_7220_IntClear_SDmaDisabledClear_RMASK 0x1
+#define QIB_7220_IntClear_Reserved_LSB 0x31
+#define QIB_7220_IntClear_Reserved_RMASK 0x1FFF
+#define QIB_7220_IntClear_RcvUrg16IntClear_LSB 0x30
+#define QIB_7220_IntClear_RcvUrg16IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg15IntClear_LSB 0x2F
+#define QIB_7220_IntClear_RcvUrg15IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg14IntClear_LSB 0x2E
+#define QIB_7220_IntClear_RcvUrg14IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg13IntClear_LSB 0x2D
+#define QIB_7220_IntClear_RcvUrg13IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg12IntClear_LSB 0x2C
+#define QIB_7220_IntClear_RcvUrg12IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg11IntClear_LSB 0x2B
+#define QIB_7220_IntClear_RcvUrg11IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg10IntClear_LSB 0x2A
+#define QIB_7220_IntClear_RcvUrg10IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg9IntClear_LSB 0x29
+#define QIB_7220_IntClear_RcvUrg9IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg8IntClear_LSB 0x28
+#define QIB_7220_IntClear_RcvUrg8IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg7IntClear_LSB 0x27
+#define QIB_7220_IntClear_RcvUrg7IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg6IntClear_LSB 0x26
+#define QIB_7220_IntClear_RcvUrg6IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg5IntClear_LSB 0x25
+#define QIB_7220_IntClear_RcvUrg5IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg4IntClear_LSB 0x24
+#define QIB_7220_IntClear_RcvUrg4IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg3IntClear_LSB 0x23
+#define QIB_7220_IntClear_RcvUrg3IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg2IntClear_LSB 0x22
+#define QIB_7220_IntClear_RcvUrg2IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg1IntClear_LSB 0x21
+#define QIB_7220_IntClear_RcvUrg1IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvUrg0IntClear_LSB 0x20
+#define QIB_7220_IntClear_RcvUrg0IntClear_RMASK 0x1
+#define QIB_7220_IntClear_ErrorIntClear_LSB 0x1F
+#define QIB_7220_IntClear_ErrorIntClear_RMASK 0x1
+#define QIB_7220_IntClear_PioSetIntClear_LSB 0x1E
+#define QIB_7220_IntClear_PioSetIntClear_RMASK 0x1
+#define QIB_7220_IntClear_PioBufAvailIntClear_LSB 0x1D
+#define QIB_7220_IntClear_PioBufAvailIntClear_RMASK 0x1
+#define QIB_7220_IntClear_assertGPIOIntClear_LSB 0x1C
+#define QIB_7220_IntClear_assertGPIOIntClear_RMASK 0x1
+#define QIB_7220_IntClear_IBSerdesTrimDoneClear_LSB 0x1B
+#define QIB_7220_IntClear_IBSerdesTrimDoneClear_RMASK 0x1
+#define QIB_7220_IntClear_JIntClear_LSB 0x1A
+#define QIB_7220_IntClear_JIntClear_RMASK 0x1
+#define QIB_7220_IntClear_Reserved1_LSB 0x11
+#define QIB_7220_IntClear_Reserved1_RMASK 0x1FF
+#define QIB_7220_IntClear_RcvAvail16IntClear_LSB 0x10
+#define QIB_7220_IntClear_RcvAvail16IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail15IntClear_LSB 0xF
+#define QIB_7220_IntClear_RcvAvail15IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail14IntClear_LSB 0xE
+#define QIB_7220_IntClear_RcvAvail14IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail13IntClear_LSB 0xD
+#define QIB_7220_IntClear_RcvAvail13IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail12IntClear_LSB 0xC
+#define QIB_7220_IntClear_RcvAvail12IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail11IntClear_LSB 0xB
+#define QIB_7220_IntClear_RcvAvail11IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail10IntClear_LSB 0xA
+#define QIB_7220_IntClear_RcvAvail10IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail9IntClear_LSB 0x9
+#define QIB_7220_IntClear_RcvAvail9IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail8IntClear_LSB 0x8
+#define QIB_7220_IntClear_RcvAvail8IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail7IntClear_LSB 0x7
+#define QIB_7220_IntClear_RcvAvail7IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail6IntClear_LSB 0x6
+#define QIB_7220_IntClear_RcvAvail6IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail5IntClear_LSB 0x5
+#define QIB_7220_IntClear_RcvAvail5IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail4IntClear_LSB 0x4
+#define QIB_7220_IntClear_RcvAvail4IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail3IntClear_LSB 0x3
+#define QIB_7220_IntClear_RcvAvail3IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail2IntClear_LSB 0x2
+#define QIB_7220_IntClear_RcvAvail2IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail1IntClear_LSB 0x1
+#define QIB_7220_IntClear_RcvAvail1IntClear_RMASK 0x1
+#define QIB_7220_IntClear_RcvAvail0IntClear_LSB 0x0
+#define QIB_7220_IntClear_RcvAvail0IntClear_RMASK 0x1
+
+#define QIB_7220_ErrMask_OFFS 0x80
+#define QIB_7220_ErrMask_Reserved_LSB 0x36
+#define QIB_7220_ErrMask_Reserved_RMASK 0x3FF
+#define QIB_7220_ErrMask_InvalidEEPCmdMask_LSB 0x35
+#define QIB_7220_ErrMask_InvalidEEPCmdMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaDescAddrMisalignErrMask_LSB 0x34
+#define QIB_7220_ErrMask_SDmaDescAddrMisalignErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_HardwareErrMask_LSB 0x33
+#define QIB_7220_ErrMask_HardwareErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_ResetNegatedMask_LSB 0x32
+#define QIB_7220_ErrMask_ResetNegatedMask_RMASK 0x1
+#define QIB_7220_ErrMask_InvalidAddrErrMask_LSB 0x31
+#define QIB_7220_ErrMask_InvalidAddrErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_IBStatusChangedMask_LSB 0x30
+#define QIB_7220_ErrMask_IBStatusChangedMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaUnexpDataErrMask_LSB 0x2F
+#define QIB_7220_ErrMask_SDmaUnexpDataErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaMissingDwErrMask_LSB 0x2E
+#define QIB_7220_ErrMask_SDmaMissingDwErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaDwEnErrMask_LSB 0x2D
+#define QIB_7220_ErrMask_SDmaDwEnErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaRpyTagErrMask_LSB 0x2C
+#define QIB_7220_ErrMask_SDmaRpyTagErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDma1stDescErrMask_LSB 0x2B
+#define QIB_7220_ErrMask_SDma1stDescErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaBaseErrMask_LSB 0x2A
+#define QIB_7220_ErrMask_SDmaBaseErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaTailOutOfBoundErrMask_LSB 0x29
+#define QIB_7220_ErrMask_SDmaTailOutOfBoundErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaOutOfBoundErrMask_LSB 0x28
+#define QIB_7220_ErrMask_SDmaOutOfBoundErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaGenMismatchErrMask_LSB 0x27
+#define QIB_7220_ErrMask_SDmaGenMismatchErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendBufMisuseErrMask_LSB 0x26
+#define QIB_7220_ErrMask_SendBufMisuseErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendUnsupportedVLErrMask_LSB 0x25
+#define QIB_7220_ErrMask_SendUnsupportedVLErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendUnexpectedPktNumErrMask_LSB 0x24
+#define QIB_7220_ErrMask_SendUnexpectedPktNumErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendPioArmLaunchErrMask_LSB 0x23
+#define QIB_7220_ErrMask_SendPioArmLaunchErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendDroppedDataPktErrMask_LSB 0x22
+#define QIB_7220_ErrMask_SendDroppedDataPktErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendDroppedSmpPktErrMask_LSB 0x21
+#define QIB_7220_ErrMask_SendDroppedSmpPktErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendPktLenErrMask_LSB 0x20
+#define QIB_7220_ErrMask_SendPktLenErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendUnderRunErrMask_LSB 0x1F
+#define QIB_7220_ErrMask_SendUnderRunErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendMaxPktLenErrMask_LSB 0x1E
+#define QIB_7220_ErrMask_SendMaxPktLenErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendMinPktLenErrMask_LSB 0x1D
+#define QIB_7220_ErrMask_SendMinPktLenErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SDmaDisabledErrMask_LSB 0x1C
+#define QIB_7220_ErrMask_SDmaDisabledErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_SendSpecialTriggerErrMask_LSB 0x1B
+#define QIB_7220_ErrMask_SendSpecialTriggerErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_Reserved1_LSB 0x12
+#define QIB_7220_ErrMask_Reserved1_RMASK 0x1FF
+#define QIB_7220_ErrMask_RcvIBLostLinkErrMask_LSB 0x11
+#define QIB_7220_ErrMask_RcvIBLostLinkErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvHdrErrMask_LSB 0x10
+#define QIB_7220_ErrMask_RcvHdrErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvHdrLenErrMask_LSB 0xF
+#define QIB_7220_ErrMask_RcvHdrLenErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvBadTidErrMask_LSB 0xE
+#define QIB_7220_ErrMask_RcvBadTidErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvHdrFullErrMask_LSB 0xD
+#define QIB_7220_ErrMask_RcvHdrFullErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvEgrFullErrMask_LSB 0xC
+#define QIB_7220_ErrMask_RcvEgrFullErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvBadVersionErrMask_LSB 0xB
+#define QIB_7220_ErrMask_RcvBadVersionErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvIBFlowErrMask_LSB 0xA
+#define QIB_7220_ErrMask_RcvIBFlowErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvEBPErrMask_LSB 0x9
+#define QIB_7220_ErrMask_RcvEBPErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvUnsupportedVLErrMask_LSB 0x8
+#define QIB_7220_ErrMask_RcvUnsupportedVLErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvUnexpectedCharErrMask_LSB 0x7
+#define QIB_7220_ErrMask_RcvUnexpectedCharErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvShortPktLenErrMask_LSB 0x6
+#define QIB_7220_ErrMask_RcvShortPktLenErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvLongPktLenErrMask_LSB 0x5
+#define QIB_7220_ErrMask_RcvLongPktLenErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvMaxPktLenErrMask_LSB 0x4
+#define QIB_7220_ErrMask_RcvMaxPktLenErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvMinPktLenErrMask_LSB 0x3
+#define QIB_7220_ErrMask_RcvMinPktLenErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvICRCErrMask_LSB 0x2
+#define QIB_7220_ErrMask_RcvICRCErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvVCRCErrMask_LSB 0x1
+#define QIB_7220_ErrMask_RcvVCRCErrMask_RMASK 0x1
+#define QIB_7220_ErrMask_RcvFormatErrMask_LSB 0x0
+#define QIB_7220_ErrMask_RcvFormatErrMask_RMASK 0x1
+
+#define QIB_7220_ErrStatus_OFFS 0x88
+#define QIB_7220_ErrStatus_Reserved_LSB 0x36
+#define QIB_7220_ErrStatus_Reserved_RMASK 0x3FF
+#define QIB_7220_ErrStatus_InvalidEEPCmdErr_LSB 0x35
+#define QIB_7220_ErrStatus_InvalidEEPCmdErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaDescAddrMisalignErr_LSB 0x34
+#define QIB_7220_ErrStatus_SDmaDescAddrMisalignErr_RMASK 0x1
+#define QIB_7220_ErrStatus_HardwareErr_LSB 0x33
+#define QIB_7220_ErrStatus_HardwareErr_RMASK 0x1
+#define QIB_7220_ErrStatus_ResetNegated_LSB 0x32
+#define QIB_7220_ErrStatus_ResetNegated_RMASK 0x1
+#define QIB_7220_ErrStatus_InvalidAddrErr_LSB 0x31
+#define QIB_7220_ErrStatus_InvalidAddrErr_RMASK 0x1
+#define QIB_7220_ErrStatus_IBStatusChanged_LSB 0x30
+#define QIB_7220_ErrStatus_IBStatusChanged_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaUnexpDataErr_LSB 0x2F
+#define QIB_7220_ErrStatus_SDmaUnexpDataErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaMissingDwErr_LSB 0x2E
+#define QIB_7220_ErrStatus_SDmaMissingDwErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaDwEnErr_LSB 0x2D
+#define QIB_7220_ErrStatus_SDmaDwEnErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaRpyTagErr_LSB 0x2C
+#define QIB_7220_ErrStatus_SDmaRpyTagErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDma1stDescErr_LSB 0x2B
+#define QIB_7220_ErrStatus_SDma1stDescErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaBaseErr_LSB 0x2A
+#define QIB_7220_ErrStatus_SDmaBaseErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaTailOutOfBoundErr_LSB 0x29
+#define QIB_7220_ErrStatus_SDmaTailOutOfBoundErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaOutOfBoundErr_LSB 0x28
+#define QIB_7220_ErrStatus_SDmaOutOfBoundErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaGenMismatchErr_LSB 0x27
+#define QIB_7220_ErrStatus_SDmaGenMismatchErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendBufMisuseErr_LSB 0x26
+#define QIB_7220_ErrStatus_SendBufMisuseErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendUnsupportedVLErr_LSB 0x25
+#define QIB_7220_ErrStatus_SendUnsupportedVLErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendUnexpectedPktNumErr_LSB 0x24
+#define QIB_7220_ErrStatus_SendUnexpectedPktNumErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendPioArmLaunchErr_LSB 0x23
+#define QIB_7220_ErrStatus_SendPioArmLaunchErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendDroppedDataPktErr_LSB 0x22
+#define QIB_7220_ErrStatus_SendDroppedDataPktErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendDroppedSmpPktErr_LSB 0x21
+#define QIB_7220_ErrStatus_SendDroppedSmpPktErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendPktLenErr_LSB 0x20
+#define QIB_7220_ErrStatus_SendPktLenErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendUnderRunErr_LSB 0x1F
+#define QIB_7220_ErrStatus_SendUnderRunErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendMaxPktLenErr_LSB 0x1E
+#define QIB_7220_ErrStatus_SendMaxPktLenErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendMinPktLenErr_LSB 0x1D
+#define QIB_7220_ErrStatus_SendMinPktLenErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SDmaDisabledErr_LSB 0x1C
+#define QIB_7220_ErrStatus_SDmaDisabledErr_RMASK 0x1
+#define QIB_7220_ErrStatus_SendSpecialTriggerErr_LSB 0x1B
+#define QIB_7220_ErrStatus_SendSpecialTriggerErr_RMASK 0x1
+#define QIB_7220_ErrStatus_Reserved1_LSB 0x12
+#define QIB_7220_ErrStatus_Reserved1_RMASK 0x1FF
+#define QIB_7220_ErrStatus_RcvIBLostLinkErr_LSB 0x11
+#define QIB_7220_ErrStatus_RcvIBLostLinkErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvHdrErr_LSB 0x10
+#define QIB_7220_ErrStatus_RcvHdrErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvHdrLenErr_LSB 0xF
+#define QIB_7220_ErrStatus_RcvHdrLenErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvBadTidErr_LSB 0xE
+#define QIB_7220_ErrStatus_RcvBadTidErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvHdrFullErr_LSB 0xD
+#define QIB_7220_ErrStatus_RcvHdrFullErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvEgrFullErr_LSB 0xC
+#define QIB_7220_ErrStatus_RcvEgrFullErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvBadVersionErr_LSB 0xB
+#define QIB_7220_ErrStatus_RcvBadVersionErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvIBFlowErr_LSB 0xA
+#define QIB_7220_ErrStatus_RcvIBFlowErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvEBPErr_LSB 0x9
+#define QIB_7220_ErrStatus_RcvEBPErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvUnsupportedVLErr_LSB 0x8
+#define QIB_7220_ErrStatus_RcvUnsupportedVLErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvUnexpectedCharErr_LSB 0x7
+#define QIB_7220_ErrStatus_RcvUnexpectedCharErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvShortPktLenErr_LSB 0x6
+#define QIB_7220_ErrStatus_RcvShortPktLenErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvLongPktLenErr_LSB 0x5
+#define QIB_7220_ErrStatus_RcvLongPktLenErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvMaxPktLenErr_LSB 0x4
+#define QIB_7220_ErrStatus_RcvMaxPktLenErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvMinPktLenErr_LSB 0x3
+#define QIB_7220_ErrStatus_RcvMinPktLenErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvICRCErr_LSB 0x2
+#define QIB_7220_ErrStatus_RcvICRCErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvVCRCErr_LSB 0x1
+#define QIB_7220_ErrStatus_RcvVCRCErr_RMASK 0x1
+#define QIB_7220_ErrStatus_RcvFormatErr_LSB 0x0
+#define QIB_7220_ErrStatus_RcvFormatErr_RMASK 0x1
+
+#define QIB_7220_ErrClear_OFFS 0x90
+#define QIB_7220_ErrClear_Reserved_LSB 0x36
+#define QIB_7220_ErrClear_Reserved_RMASK 0x3FF
+#define QIB_7220_ErrClear_InvalidEEPCmdErrClear_LSB 0x35
+#define QIB_7220_ErrClear_InvalidEEPCmdErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaDescAddrMisalignErrClear_LSB 0x34
+#define QIB_7220_ErrClear_SDmaDescAddrMisalignErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_HardwareErrClear_LSB 0x33
+#define QIB_7220_ErrClear_HardwareErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_ResetNegatedClear_LSB 0x32
+#define QIB_7220_ErrClear_ResetNegatedClear_RMASK 0x1
+#define QIB_7220_ErrClear_InvalidAddrErrClear_LSB 0x31
+#define QIB_7220_ErrClear_InvalidAddrErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_IBStatusChangedClear_LSB 0x30
+#define QIB_7220_ErrClear_IBStatusChangedClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaUnexpDataErrClear_LSB 0x2F
+#define QIB_7220_ErrClear_SDmaUnexpDataErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaMissingDwErrClear_LSB 0x2E
+#define QIB_7220_ErrClear_SDmaMissingDwErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaDwEnErrClear_LSB 0x2D
+#define QIB_7220_ErrClear_SDmaDwEnErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaRpyTagErrClear_LSB 0x2C
+#define QIB_7220_ErrClear_SDmaRpyTagErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDma1stDescErrClear_LSB 0x2B
+#define QIB_7220_ErrClear_SDma1stDescErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaBaseErrClear_LSB 0x2A
+#define QIB_7220_ErrClear_SDmaBaseErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaTailOutOfBoundErrClear_LSB 0x29
+#define QIB_7220_ErrClear_SDmaTailOutOfBoundErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaOutOfBoundErrClear_LSB 0x28
+#define QIB_7220_ErrClear_SDmaOutOfBoundErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaGenMismatchErrClear_LSB 0x27
+#define QIB_7220_ErrClear_SDmaGenMismatchErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendBufMisuseErrClear_LSB 0x26
+#define QIB_7220_ErrClear_SendBufMisuseErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendUnsupportedVLErrClear_LSB 0x25
+#define QIB_7220_ErrClear_SendUnsupportedVLErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendUnexpectedPktNumErrClear_LSB 0x24
+#define QIB_7220_ErrClear_SendUnexpectedPktNumErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendPioArmLaunchErrClear_LSB 0x23
+#define QIB_7220_ErrClear_SendPioArmLaunchErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendDroppedDataPktErrClear_LSB 0x22
+#define QIB_7220_ErrClear_SendDroppedDataPktErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendDroppedSmpPktErrClear_LSB 0x21
+#define QIB_7220_ErrClear_SendDroppedSmpPktErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendPktLenErrClear_LSB 0x20
+#define QIB_7220_ErrClear_SendPktLenErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendUnderRunErrClear_LSB 0x1F
+#define QIB_7220_ErrClear_SendUnderRunErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendMaxPktLenErrClear_LSB 0x1E
+#define QIB_7220_ErrClear_SendMaxPktLenErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendMinPktLenErrClear_LSB 0x1D
+#define QIB_7220_ErrClear_SendMinPktLenErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SDmaDisabledErrClear_LSB 0x1C
+#define QIB_7220_ErrClear_SDmaDisabledErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_SendSpecialTriggerErrClear_LSB 0x1B
+#define QIB_7220_ErrClear_SendSpecialTriggerErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_Reserved1_LSB 0x12
+#define QIB_7220_ErrClear_Reserved1_RMASK 0x1FF
+#define QIB_7220_ErrClear_RcvIBLostLinkErrClear_LSB 0x11
+#define QIB_7220_ErrClear_RcvIBLostLinkErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvHdrErrClear_LSB 0x10
+#define QIB_7220_ErrClear_RcvHdrErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvHdrLenErrClear_LSB 0xF
+#define QIB_7220_ErrClear_RcvHdrLenErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvBadTidErrClear_LSB 0xE
+#define QIB_7220_ErrClear_RcvBadTidErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvHdrFullErrClear_LSB 0xD
+#define QIB_7220_ErrClear_RcvHdrFullErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvEgrFullErrClear_LSB 0xC
+#define QIB_7220_ErrClear_RcvEgrFullErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvBadVersionErrClear_LSB 0xB
+#define QIB_7220_ErrClear_RcvBadVersionErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvIBFlowErrClear_LSB 0xA
+#define QIB_7220_ErrClear_RcvIBFlowErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvEBPErrClear_LSB 0x9
+#define QIB_7220_ErrClear_RcvEBPErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvUnsupportedVLErrClear_LSB 0x8
+#define QIB_7220_ErrClear_RcvUnsupportedVLErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvUnexpectedCharErrClear_LSB 0x7
+#define QIB_7220_ErrClear_RcvUnexpectedCharErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvShortPktLenErrClear_LSB 0x6
+#define QIB_7220_ErrClear_RcvShortPktLenErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvLongPktLenErrClear_LSB 0x5
+#define QIB_7220_ErrClear_RcvLongPktLenErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvMaxPktLenErrClear_LSB 0x4
+#define QIB_7220_ErrClear_RcvMaxPktLenErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvMinPktLenErrClear_LSB 0x3
+#define QIB_7220_ErrClear_RcvMinPktLenErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvICRCErrClear_LSB 0x2
+#define QIB_7220_ErrClear_RcvICRCErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvVCRCErrClear_LSB 0x1
+#define QIB_7220_ErrClear_RcvVCRCErrClear_RMASK 0x1
+#define QIB_7220_ErrClear_RcvFormatErrClear_LSB 0x0
+#define QIB_7220_ErrClear_RcvFormatErrClear_RMASK 0x1
+
+#define QIB_7220_HwErrMask_OFFS 0x98
+#define QIB_7220_HwErrMask_IBCBusFromSPCParityErrMask_LSB 0x3F
+#define QIB_7220_HwErrMask_IBCBusFromSPCParityErrMask_RMASK 0x1
+#define QIB_7220_HwErrMask_IBCBusToSPCParityErrMask_LSB 0x3E
+#define QIB_7220_HwErrMask_IBCBusToSPCParityErrMask_RMASK 0x1
+#define QIB_7220_HwErrMask_Clk_uC_PLLNotLockedMask_LSB 0x3D
+#define QIB_7220_HwErrMask_Clk_uC_PLLNotLockedMask_RMASK 0x1
+#define QIB_7220_HwErrMask_IBSerdesPClkNotDetectMask_LSB 0x3C
+#define QIB_7220_HwErrMask_IBSerdesPClkNotDetectMask_RMASK 0x1
+#define QIB_7220_HwErrMask_PCIESerdesQ3PClkNotDetectMask_LSB 0x3B
+#define QIB_7220_HwErrMask_PCIESerdesQ3PClkNotDetectMask_RMASK 0x1
+#define QIB_7220_HwErrMask_PCIESerdesQ2PClkNotDetectMask_LSB 0x3A
+#define QIB_7220_HwErrMask_PCIESerdesQ2PClkNotDetectMask_RMASK 0x1
+#define QIB_7220_HwErrMask_PCIESerdesQ1PClkNotDetectMask_LSB 0x39
+#define QIB_7220_HwErrMask_PCIESerdesQ1PClkNotDetectMask_RMASK 0x1
+#define QIB_7220_HwErrMask_PCIESerdesQ0PClkNotDetectMask_LSB 0x38
+#define QIB_7220_HwErrMask_PCIESerdesQ0PClkNotDetectMask_RMASK 0x1
+#define QIB_7220_HwErrMask_Reserved_LSB 0x37
+#define QIB_7220_HwErrMask_Reserved_RMASK 0x1
+#define QIB_7220_HwErrMask_PowerOnBISTFailedMask_LSB 0x36
+#define QIB_7220_HwErrMask_PowerOnBISTFailedMask_RMASK 0x1
+#define QIB_7220_HwErrMask_Reserved1_LSB 0x33
+#define QIB_7220_HwErrMask_Reserved1_RMASK 0x7
+#define QIB_7220_HwErrMask_RXEMemParityErrMask_LSB 0x2C
+#define QIB_7220_HwErrMask_RXEMemParityErrMask_RMASK 0x7F
+#define QIB_7220_HwErrMask_TXEMemParityErrMask_LSB 0x28
+#define QIB_7220_HwErrMask_TXEMemParityErrMask_RMASK 0xF
+#define QIB_7220_HwErrMask_DDSRXEQMemoryParityErrMask_LSB 0x27
+#define QIB_7220_HwErrMask_DDSRXEQMemoryParityErrMask_RMASK 0x1
+#define QIB_7220_HwErrMask_IB_uC_MemoryParityErrMask_LSB 0x26
+#define QIB_7220_HwErrMask_IB_uC_MemoryParityErrMask_RMASK 0x1
+#define QIB_7220_HwErrMask_PCIEOct1_uC_MemoryParityErrMask_LSB 0x25
+#define QIB_7220_HwErrMask_PCIEOct1_uC_MemoryParityErrMask_RMASK 0x1
+#define QIB_7220_HwErrMask_PCIEOct0_uC_MemoryParityErrMask_LSB 0x24
+#define QIB_7220_HwErrMask_PCIEOct0_uC_MemoryParityErrMask_RMASK 0x1
+#define QIB_7220_HwErrMask_Reserved2_LSB 0x22
+#define QIB_7220_HwErrMask_Reserved2_RMASK 0x3
+#define QIB_7220_HwErrMask_PCIeBusParityErrMask_LSB 0x1F
+#define QIB_7220_HwErrMask_PCIeBusParityErrMask_RMASK 0x7
+#define QIB_7220_HwErrMask_PcieCplTimeoutMask_LSB 0x1E
+#define QIB_7220_HwErrMask_PcieCplTimeoutMask_RMASK 0x1
+#define QIB_7220_HwErrMask_PoisonedTLPMask_LSB 0x1D
+#define QIB_7220_HwErrMask_PoisonedTLPMask_RMASK 0x1
+#define QIB_7220_HwErrMask_SDmaMemReadErrMask_LSB 0x1C
+#define QIB_7220_HwErrMask_SDmaMemReadErrMask_RMASK 0x1
+#define QIB_7220_HwErrMask_Reserved3_LSB 0x8
+#define QIB_7220_HwErrMask_Reserved3_RMASK 0xFFFFF
+#define QIB_7220_HwErrMask_PCIeMemParityErrMask_LSB 0x0
+#define QIB_7220_HwErrMask_PCIeMemParityErrMask_RMASK 0xFF
+
+#define QIB_7220_HwErrStatus_OFFS 0xA0
+#define QIB_7220_HwErrStatus_IBCBusFromSPCParityErr_LSB 0x3F
+#define QIB_7220_HwErrStatus_IBCBusFromSPCParityErr_RMASK 0x1
+#define QIB_7220_HwErrStatus_IBCBusToSPCParityErr_LSB 0x3E
+#define QIB_7220_HwErrStatus_IBCBusToSPCParityErr_RMASK 0x1
+#define QIB_7220_HwErrStatus_Clk_uC_PLLNotLocked_LSB 0x3D
+#define QIB_7220_HwErrStatus_Clk_uC_PLLNotLocked_RMASK 0x1
+#define QIB_7220_HwErrStatus_IBSerdesPClkNotDetect_LSB 0x3C
+#define QIB_7220_HwErrStatus_IBSerdesPClkNotDetect_RMASK 0x1
+#define QIB_7220_HwErrStatus_PCIESerdesQ3PClkNotDetect_LSB 0x3B
+#define QIB_7220_HwErrStatus_PCIESerdesQ3PClkNotDetect_RMASK 0x1
+#define QIB_7220_HwErrStatus_PCIESerdesQ2PClkNotDetect_LSB 0x3A
+#define QIB_7220_HwErrStatus_PCIESerdesQ2PClkNotDetect_RMASK 0x1
+#define QIB_7220_HwErrStatus_PCIESerdesQ1PClkNotDetect_LSB 0x39
+#define QIB_7220_HwErrStatus_PCIESerdesQ1PClkNotDetect_RMASK 0x1
+#define QIB_7220_HwErrStatus_PCIESerdesQ0PClkNotDetect_LSB 0x38
+#define QIB_7220_HwErrStatus_PCIESerdesQ0PClkNotDetect_RMASK 0x1
+#define QIB_7220_HwErrStatus_Reserved_LSB 0x37
+#define QIB_7220_HwErrStatus_Reserved_RMASK 0x1
+#define QIB_7220_HwErrStatus_PowerOnBISTFailed_LSB 0x36
+#define QIB_7220_HwErrStatus_PowerOnBISTFailed_RMASK 0x1
+#define QIB_7220_HwErrStatus_Reserved1_LSB 0x33
+#define QIB_7220_HwErrStatus_Reserved1_RMASK 0x7
+#define QIB_7220_HwErrStatus_RXEMemParity_LSB 0x2C
+#define QIB_7220_HwErrStatus_RXEMemParity_RMASK 0x7F
+#define QIB_7220_HwErrStatus_TXEMemParity_LSB 0x28
+#define QIB_7220_HwErrStatus_TXEMemParity_RMASK 0xF
+#define QIB_7220_HwErrStatus_DDSRXEQMemoryParityErr_LSB 0x27
+#define QIB_7220_HwErrStatus_DDSRXEQMemoryParityErr_RMASK 0x1
+#define QIB_7220_HwErrStatus_IB_uC_MemoryParityErr_LSB 0x26
+#define QIB_7220_HwErrStatus_IB_uC_MemoryParityErr_RMASK 0x1
+#define QIB_7220_HwErrStatus_PCIE_uC_Oct1MemoryParityErr_LSB 0x25
+#define QIB_7220_HwErrStatus_PCIE_uC_Oct1MemoryParityErr_RMASK 0x1
+#define QIB_7220_HwErrStatus_PCIE_uC_Oct0MemoryParityErr_LSB 0x24
+#define QIB_7220_HwErrStatus_PCIE_uC_Oct0MemoryParityErr_RMASK 0x1
+#define QIB_7220_HwErrStatus_Reserved2_LSB 0x22
+#define QIB_7220_HwErrStatus_Reserved2_RMASK 0x3
+#define QIB_7220_HwErrStatus_PCIeBusParity_LSB 0x1F
+#define QIB_7220_HwErrStatus_PCIeBusParity_RMASK 0x7
+#define QIB_7220_HwErrStatus_PcieCplTimeout_LSB 0x1E
+#define QIB_7220_HwErrStatus_PcieCplTimeout_RMASK 0x1
+#define QIB_7220_HwErrStatus_PoisenedTLP_LSB 0x1D
+#define QIB_7220_HwErrStatus_PoisenedTLP_RMASK 0x1
+#define QIB_7220_HwErrStatus_SDmaMemReadErr_LSB 0x1C
+#define QIB_7220_HwErrStatus_SDmaMemReadErr_RMASK 0x1
+#define QIB_7220_HwErrStatus_Reserved3_LSB 0x8
+#define QIB_7220_HwErrStatus_Reserved3_RMASK 0xFFFFF
+#define QIB_7220_HwErrStatus_PCIeMemParity_LSB 0x0
+#define QIB_7220_HwErrStatus_PCIeMemParity_RMASK 0xFF
+
+#define QIB_7220_HwErrClear_OFFS 0xA8
+#define QIB_7220_HwErrClear_IBCBusFromSPCParityErrClear_LSB 0x3F
+#define QIB_7220_HwErrClear_IBCBusFromSPCParityErrClear_RMASK 0x1
+#define QIB_7220_HwErrClear_IBCBusToSPCparityErrClear_LSB 0x3E
+#define QIB_7220_HwErrClear_IBCBusToSPCparityErrClear_RMASK 0x1
+#define QIB_7220_HwErrClear_Clk_uC_PLLNotLockedClear_LSB 0x3D
+#define QIB_7220_HwErrClear_Clk_uC_PLLNotLockedClear_RMASK 0x1
+#define QIB_7220_HwErrClear_IBSerdesPClkNotDetectClear_LSB 0x3C
+#define QIB_7220_HwErrClear_IBSerdesPClkNotDetectClear_RMASK 0x1
+#define QIB_7220_HwErrClear_PCIESerdesQ3PClkNotDetectClear_LSB 0x3B
+#define QIB_7220_HwErrClear_PCIESerdesQ3PClkNotDetectClear_RMASK 0x1
+#define QIB_7220_HwErrClear_PCIESerdesQ2PClkNotDetectClear_LSB 0x3A
+#define QIB_7220_HwErrClear_PCIESerdesQ2PClkNotDetectClear_RMASK 0x1
+#define QIB_7220_HwErrClear_PCIESerdesQ1PClkNotDetectClear_LSB 0x39
+#define QIB_7220_HwErrClear_PCIESerdesQ1PClkNotDetectClear_RMASK 0x1
+#define QIB_7220_HwErrClear_PCIESerdesQ0PClkNotDetectClear_LSB 0x38
+#define QIB_7220_HwErrClear_PCIESerdesQ0PClkNotDetectClear_RMASK 0x1
+#define QIB_7220_HwErrClear_Reserved_LSB 0x37
+#define QIB_7220_HwErrClear_Reserved_RMASK 0x1
+#define QIB_7220_HwErrClear_PowerOnBISTFailedClear_LSB 0x36
+#define QIB_7220_HwErrClear_PowerOnBISTFailedClear_RMASK 0x1
+#define QIB_7220_HwErrClear_Reserved1_LSB 0x33
+#define QIB_7220_HwErrClear_Reserved1_RMASK 0x7
+#define QIB_7220_HwErrClear_RXEMemParityClear_LSB 0x2C
+#define QIB_7220_HwErrClear_RXEMemParityClear_RMASK 0x7F
+#define QIB_7220_HwErrClear_TXEMemParityClear_LSB 0x28
+#define QIB_7220_HwErrClear_TXEMemParityClear_RMASK 0xF
+#define QIB_7220_HwErrClear_DDSRXEQMemoryParityErrClear_LSB 0x27
+#define QIB_7220_HwErrClear_DDSRXEQMemoryParityErrClear_RMASK 0x1
+#define QIB_7220_HwErrClear_IB_uC_MemoryParityErrClear_LSB 0x26
+#define QIB_7220_HwErrClear_IB_uC_MemoryParityErrClear_RMASK 0x1
+#define QIB_7220_HwErrClear_PCIE_uC_Oct1MemoryParityErrClear_LSB 0x25
+#define QIB_7220_HwErrClear_PCIE_uC_Oct1MemoryParityErrClear_RMASK 0x1
+#define QIB_7220_HwErrClear_PCIE_uC_Oct0MemoryParityErrClear_LSB 0x24
+#define QIB_7220_HwErrClear_PCIE_uC_Oct0MemoryParityErrClear_RMASK 0x1
+#define QIB_7220_HwErrClear_Reserved2_LSB 0x22
+#define QIB_7220_HwErrClear_Reserved2_RMASK 0x3
+#define QIB_7220_HwErrClear_PCIeBusParityClr_LSB 0x1F
+#define QIB_7220_HwErrClear_PCIeBusParityClr_RMASK 0x7
+#define QIB_7220_HwErrClear_PcieCplTimeoutClear_LSB 0x1E
+#define QIB_7220_HwErrClear_PcieCplTimeoutClear_RMASK 0x1
+#define QIB_7220_HwErrClear_PoisonedTLPClear_LSB 0x1D
+#define QIB_7220_HwErrClear_PoisonedTLPClear_RMASK 0x1
+#define QIB_7220_HwErrClear_SDmaMemReadErrClear_LSB 0x1C
+#define QIB_7220_HwErrClear_SDmaMemReadErrClear_RMASK 0x1
+#define QIB_7220_HwErrClear_Reserved3_LSB 0x8
+#define QIB_7220_HwErrClear_Reserved3_RMASK 0xFFFFF
+#define QIB_7220_HwErrClear_PCIeMemParityClr_LSB 0x0
+#define QIB_7220_HwErrClear_PCIeMemParityClr_RMASK 0xFF
+
+#define QIB_7220_HwDiagCtrl_OFFS 0xB0
+#define QIB_7220_HwDiagCtrl_ForceIBCBusFromSPCParityErr_LSB 0x3F
+#define QIB_7220_HwDiagCtrl_ForceIBCBusFromSPCParityErr_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_ForceIBCBusToSPCParityErr_LSB 0x3E
+#define QIB_7220_HwDiagCtrl_ForceIBCBusToSPCParityErr_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_CounterWrEnable_LSB 0x3D
+#define QIB_7220_HwDiagCtrl_CounterWrEnable_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_CounterDisable_LSB 0x3C
+#define QIB_7220_HwDiagCtrl_CounterDisable_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_Reserved_LSB 0x33
+#define QIB_7220_HwDiagCtrl_Reserved_RMASK 0x1FF
+#define QIB_7220_HwDiagCtrl_ForceRxMemParityErr_LSB 0x2C
+#define QIB_7220_HwDiagCtrl_ForceRxMemParityErr_RMASK 0x7F
+#define QIB_7220_HwDiagCtrl_ForceTxMemparityErr_LSB 0x28
+#define QIB_7220_HwDiagCtrl_ForceTxMemparityErr_RMASK 0xF
+#define QIB_7220_HwDiagCtrl_ForceDDSRXEQMemoryParityErr_LSB 0x27
+#define QIB_7220_HwDiagCtrl_ForceDDSRXEQMemoryParityErr_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_ForceIB_uC_MemoryParityErr_LSB 0x26
+#define QIB_7220_HwDiagCtrl_ForceIB_uC_MemoryParityErr_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_ForcePCIE_uC_Oct1MemoryParityErr_LSB 0x25
+#define QIB_7220_HwDiagCtrl_ForcePCIE_uC_Oct1MemoryParityErr_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_ForcePCIE_uC_Oct0MemoryParityErr_LSB 0x24
+#define QIB_7220_HwDiagCtrl_ForcePCIE_uC_Oct0MemoryParityErr_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_Reserved1_LSB 0x23
+#define QIB_7220_HwDiagCtrl_Reserved1_RMASK 0x1
+#define QIB_7220_HwDiagCtrl_forcePCIeBusParity_LSB 0x1F
+#define QIB_7220_HwDiagCtrl_forcePCIeBusParity_RMASK 0xF
+#define QIB_7220_HwDiagCtrl_Reserved2_LSB 0x8
+#define QIB_7220_HwDiagCtrl_Reserved2_RMASK 0x7FFFFF
+#define QIB_7220_HwDiagCtrl_forcePCIeMemParity_LSB 0x0
+#define QIB_7220_HwDiagCtrl_forcePCIeMemParity_RMASK 0xFF
+
+#define QIB_7220_REG_0000B8_OFFS 0xB8
+
+#define QIB_7220_IBCStatus_OFFS 0xC0
+#define QIB_7220_IBCStatus_TxCreditOk_LSB 0x1F
+#define QIB_7220_IBCStatus_TxCreditOk_RMASK 0x1
+#define QIB_7220_IBCStatus_TxReady_LSB 0x1E
+#define QIB_7220_IBCStatus_TxReady_RMASK 0x1
+#define QIB_7220_IBCStatus_Reserved_LSB 0xE
+#define QIB_7220_IBCStatus_Reserved_RMASK 0xFFFF
+#define QIB_7220_IBCStatus_IBTxLaneReversed_LSB 0xD
+#define QIB_7220_IBCStatus_IBTxLaneReversed_RMASK 0x1
+#define QIB_7220_IBCStatus_IBRxLaneReversed_LSB 0xC
+#define QIB_7220_IBCStatus_IBRxLaneReversed_RMASK 0x1
+#define QIB_7220_IBCStatus_IB_SERDES_TRIM_DONE_LSB 0xB
+#define QIB_7220_IBCStatus_IB_SERDES_TRIM_DONE_RMASK 0x1
+#define QIB_7220_IBCStatus_DDS_RXEQ_FAIL_LSB 0xA
+#define QIB_7220_IBCStatus_DDS_RXEQ_FAIL_RMASK 0x1
+#define QIB_7220_IBCStatus_LinkWidthActive_LSB 0x9
+#define QIB_7220_IBCStatus_LinkWidthActive_RMASK 0x1
+#define QIB_7220_IBCStatus_LinkSpeedActive_LSB 0x8
+#define QIB_7220_IBCStatus_LinkSpeedActive_RMASK 0x1
+#define QIB_7220_IBCStatus_LinkState_LSB 0x5
+#define QIB_7220_IBCStatus_LinkState_RMASK 0x7
+#define QIB_7220_IBCStatus_LinkTrainingState_LSB 0x0
+#define QIB_7220_IBCStatus_LinkTrainingState_RMASK 0x1F
+
+#define QIB_7220_IBCCtrl_OFFS 0xC8
+#define QIB_7220_IBCCtrl_Loopback_LSB 0x3F
+#define QIB_7220_IBCCtrl_Loopback_RMASK 0x1
+#define QIB_7220_IBCCtrl_LinkDownDefaultState_LSB 0x3E
+#define QIB_7220_IBCCtrl_LinkDownDefaultState_RMASK 0x1
+#define QIB_7220_IBCCtrl_Reserved_LSB 0x2B
+#define QIB_7220_IBCCtrl_Reserved_RMASK 0x7FFFF
+#define QIB_7220_IBCCtrl_CreditScale_LSB 0x28
+#define QIB_7220_IBCCtrl_CreditScale_RMASK 0x7
+#define QIB_7220_IBCCtrl_OverrunThreshold_LSB 0x24
+#define QIB_7220_IBCCtrl_OverrunThreshold_RMASK 0xF
+#define QIB_7220_IBCCtrl_PhyerrThreshold_LSB 0x20
+#define QIB_7220_IBCCtrl_PhyerrThreshold_RMASK 0xF
+#define QIB_7220_IBCCtrl_MaxPktLen_LSB 0x15
+#define QIB_7220_IBCCtrl_MaxPktLen_RMASK 0x7FF
+#define QIB_7220_IBCCtrl_LinkCmd_LSB 0x13
+#define QIB_7220_IBCCtrl_LinkCmd_RMASK 0x3
+#define QIB_7220_IBCCtrl_LinkInitCmd_LSB 0x10
+#define QIB_7220_IBCCtrl_LinkInitCmd_RMASK 0x7
+#define QIB_7220_IBCCtrl_FlowCtrlWaterMark_LSB 0x8
+#define QIB_7220_IBCCtrl_FlowCtrlWaterMark_RMASK 0xFF
+#define QIB_7220_IBCCtrl_FlowCtrlPeriod_LSB 0x0
+#define QIB_7220_IBCCtrl_FlowCtrlPeriod_RMASK 0xFF
+
+#define QIB_7220_EXTStatus_OFFS 0xD0
+#define QIB_7220_EXTStatus_GPIOIn_LSB 0x30
+#define QIB_7220_EXTStatus_GPIOIn_RMASK 0xFFFF
+#define QIB_7220_EXTStatus_Reserved_LSB 0x20
+#define QIB_7220_EXTStatus_Reserved_RMASK 0xFFFF
+#define QIB_7220_EXTStatus_Reserved1_LSB 0x10
+#define QIB_7220_EXTStatus_Reserved1_RMASK 0xFFFF
+#define QIB_7220_EXTStatus_MemBISTDisabled_LSB 0xF
+#define QIB_7220_EXTStatus_MemBISTDisabled_RMASK 0x1
+#define QIB_7220_EXTStatus_MemBISTEndTest_LSB 0xE
+#define QIB_7220_EXTStatus_MemBISTEndTest_RMASK 0x1
+#define QIB_7220_EXTStatus_Reserved2_LSB 0x0
+#define QIB_7220_EXTStatus_Reserved2_RMASK 0x3FFF
+
+#define QIB_7220_EXTCtrl_OFFS 0xD8
+#define QIB_7220_EXTCtrl_GPIOOe_LSB 0x30
+#define QIB_7220_EXTCtrl_GPIOOe_RMASK 0xFFFF
+#define QIB_7220_EXTCtrl_GPIOInvert_LSB 0x20
+#define QIB_7220_EXTCtrl_GPIOInvert_RMASK 0xFFFF
+#define QIB_7220_EXTCtrl_Reserved_LSB 0x4
+#define QIB_7220_EXTCtrl_Reserved_RMASK 0xFFFFFFF
+#define QIB_7220_EXTCtrl_LEDPriPortGreenOn_LSB 0x3
+#define QIB_7220_EXTCtrl_LEDPriPortGreenOn_RMASK 0x1
+#define QIB_7220_EXTCtrl_LEDPriPortYellowOn_LSB 0x2
+#define QIB_7220_EXTCtrl_LEDPriPortYellowOn_RMASK 0x1
+#define QIB_7220_EXTCtrl_LEDGblOkGreenOn_LSB 0x1
+#define QIB_7220_EXTCtrl_LEDGblOkGreenOn_RMASK 0x1
+#define QIB_7220_EXTCtrl_LEDGblErrRedOff_LSB 0x0
+#define QIB_7220_EXTCtrl_LEDGblErrRedOff_RMASK 0x1
+
+#define QIB_7220_GPIOOut_OFFS 0xE0
+
+#define QIB_7220_GPIOMask_OFFS 0xE8
+
+#define QIB_7220_GPIOStatus_OFFS 0xF0
+
+#define QIB_7220_GPIOClear_OFFS 0xF8
+
+#define QIB_7220_RcvCtrl_OFFS 0x100
+#define QIB_7220_RcvCtrl_Reserved_LSB 0x27
+#define QIB_7220_RcvCtrl_Reserved_RMASK 0x1FFFFFF
+#define QIB_7220_RcvCtrl_RcvQPMapEnable_LSB 0x26
+#define QIB_7220_RcvCtrl_RcvQPMapEnable_RMASK 0x1
+#define QIB_7220_RcvCtrl_PortCfg_LSB 0x24
+#define QIB_7220_RcvCtrl_PortCfg_RMASK 0x3
+#define QIB_7220_RcvCtrl_TailUpd_LSB 0x23
+#define QIB_7220_RcvCtrl_TailUpd_RMASK 0x1
+#define QIB_7220_RcvCtrl_RcvPartitionKeyDisable_LSB 0x22
+#define QIB_7220_RcvCtrl_RcvPartitionKeyDisable_RMASK 0x1
+#define QIB_7220_RcvCtrl_IntrAvail_LSB 0x11
+#define QIB_7220_RcvCtrl_IntrAvail_RMASK 0x1FFFF
+#define QIB_7220_RcvCtrl_PortEnable_LSB 0x0
+#define QIB_7220_RcvCtrl_PortEnable_RMASK 0x1FFFF
+
+#define QIB_7220_RcvBTHQP_OFFS 0x108
+#define QIB_7220_RcvBTHQP_Reserved_LSB 0x18
+#define QIB_7220_RcvBTHQP_Reserved_RMASK 0xFF
+#define QIB_7220_RcvBTHQP_RcvBTHQP_LSB 0x0
+#define QIB_7220_RcvBTHQP_RcvBTHQP_RMASK 0xFFFFFF
+
+#define QIB_7220_RcvHdrSize_OFFS 0x110
+
+#define QIB_7220_RcvHdrCnt_OFFS 0x118
+
+#define QIB_7220_RcvHdrEntSize_OFFS 0x120
+
+#define QIB_7220_RcvTIDBase_OFFS 0x128
+
+#define QIB_7220_RcvTIDCnt_OFFS 0x130
+
+#define QIB_7220_RcvEgrBase_OFFS 0x138
+
+#define QIB_7220_RcvEgrCnt_OFFS 0x140
+
+#define QIB_7220_RcvBufBase_OFFS 0x148
+
+#define QIB_7220_RcvBufSize_OFFS 0x150
+
+#define QIB_7220_RxIntMemBase_OFFS 0x158
+
+#define QIB_7220_RxIntMemSize_OFFS 0x160
+
+#define QIB_7220_RcvPartitionKey_OFFS 0x168
+
+#define QIB_7220_RcvQPMulticastPort_OFFS 0x170
+#define QIB_7220_RcvQPMulticastPort_Reserved_LSB 0x5
+#define QIB_7220_RcvQPMulticastPort_Reserved_RMASK 0x7FFFFFFFFFFFFFF
+#define QIB_7220_RcvQPMulticastPort_RcvQpMcPort_LSB 0x0
+#define QIB_7220_RcvQPMulticastPort_RcvQpMcPort_RMASK 0x1F
+
+#define QIB_7220_RcvPktLEDCnt_OFFS 0x178
+#define QIB_7220_RcvPktLEDCnt_ONperiod_LSB 0x20
+#define QIB_7220_RcvPktLEDCnt_ONperiod_RMASK 0xFFFFFFFF
+#define QIB_7220_RcvPktLEDCnt_OFFperiod_LSB 0x0
+#define QIB_7220_RcvPktLEDCnt_OFFperiod_RMASK 0xFFFFFFFF
+
+#define QIB_7220_IBCDDRCtrl_OFFS 0x180
+#define QIB_7220_IBCDDRCtrl_IB_DLID_MASK_LSB 0x30
+#define QIB_7220_IBCDDRCtrl_IB_DLID_MASK_RMASK 0xFFFF
+#define QIB_7220_IBCDDRCtrl_IB_DLID_LSB 0x20
+#define QIB_7220_IBCDDRCtrl_IB_DLID_RMASK 0xFFFF
+#define QIB_7220_IBCDDRCtrl_Reserved_LSB 0x1B
+#define QIB_7220_IBCDDRCtrl_Reserved_RMASK 0x1F
+#define QIB_7220_IBCDDRCtrl_HRTBT_REQ_LSB 0x1A
+#define QIB_7220_IBCDDRCtrl_HRTBT_REQ_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_HRTBT_PORT_LSB 0x12
+#define QIB_7220_IBCDDRCtrl_HRTBT_PORT_RMASK 0xFF
+#define QIB_7220_IBCDDRCtrl_HRTBT_AUTO_LSB 0x11
+#define QIB_7220_IBCDDRCtrl_HRTBT_AUTO_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_HRTBT_ENB_LSB 0x10
+#define QIB_7220_IBCDDRCtrl_HRTBT_ENB_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_SD_DDS_LSB 0xC
+#define QIB_7220_IBCDDRCtrl_SD_DDS_RMASK 0xF
+#define QIB_7220_IBCDDRCtrl_SD_DDSV_LSB 0xB
+#define QIB_7220_IBCDDRCtrl_SD_DDSV_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_SD_ADD_ENB_LSB 0xA
+#define QIB_7220_IBCDDRCtrl_SD_ADD_ENB_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_SD_RX_EQUAL_ENABLE_LSB 0x9
+#define QIB_7220_IBCDDRCtrl_SD_RX_EQUAL_ENABLE_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_IB_LANE_REV_SUPPORTED_LSB 0x8
+#define QIB_7220_IBCDDRCtrl_IB_LANE_REV_SUPPORTED_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_IB_POLARITY_REV_SUPP_LSB 0x7
+#define QIB_7220_IBCDDRCtrl_IB_POLARITY_REV_SUPP_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_IB_NUM_CHANNELS_LSB 0x5
+#define QIB_7220_IBCDDRCtrl_IB_NUM_CHANNELS_RMASK 0x3
+#define QIB_7220_IBCDDRCtrl_SD_SPEED_QDR_LSB 0x4
+#define QIB_7220_IBCDDRCtrl_SD_SPEED_QDR_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_SD_SPEED_DDR_LSB 0x3
+#define QIB_7220_IBCDDRCtrl_SD_SPEED_DDR_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_SD_SPEED_SDR_LSB 0x2
+#define QIB_7220_IBCDDRCtrl_SD_SPEED_SDR_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_SD_SPEED_LSB 0x1
+#define QIB_7220_IBCDDRCtrl_SD_SPEED_RMASK 0x1
+#define QIB_7220_IBCDDRCtrl_IB_ENHANCED_MODE_LSB 0x0
+#define QIB_7220_IBCDDRCtrl_IB_ENHANCED_MODE_RMASK 0x1
+
+#define QIB_7220_HRTBT_GUID_OFFS 0x188
+
+#define QIB_7220_IBCDDRCtrl2_OFFS 0x1A0
+#define QIB_7220_IBCDDRCtrl2_IB_BACK_PORCH_LSB 0x5
+#define QIB_7220_IBCDDRCtrl2_IB_BACK_PORCH_RMASK 0x1F
+#define QIB_7220_IBCDDRCtrl2_IB_FRONT_PORCH_LSB 0x0
+#define QIB_7220_IBCDDRCtrl2_IB_FRONT_PORCH_RMASK 0x1F
+
+#define QIB_7220_IBCDDRStatus_OFFS 0x1A8
+#define QIB_7220_IBCDDRStatus_heartbeat_timed_out_LSB 0x24
+#define QIB_7220_IBCDDRStatus_heartbeat_timed_out_RMASK 0x1
+#define QIB_7220_IBCDDRStatus_heartbeat_crosstalk_LSB 0x20
+#define QIB_7220_IBCDDRStatus_heartbeat_crosstalk_RMASK 0xF
+#define QIB_7220_IBCDDRStatus_RxEqLocalDevice_LSB 0x1E
+#define QIB_7220_IBCDDRStatus_RxEqLocalDevice_RMASK 0x3
+#define QIB_7220_IBCDDRStatus_ReqDDSLocalFromRmt_LSB 0x1A
+#define QIB_7220_IBCDDRStatus_ReqDDSLocalFromRmt_RMASK 0xF
+#define QIB_7220_IBCDDRStatus_LinkRoundTripLatency_LSB 0x0
+#define QIB_7220_IBCDDRStatus_LinkRoundTripLatency_RMASK 0x3FFFFFF
+
+#define QIB_7220_JIntReload_OFFS 0x1B0
+#define QIB_7220_JIntReload_J_limit_reload_LSB 0x10
+#define QIB_7220_JIntReload_J_limit_reload_RMASK 0xFFFF
+#define QIB_7220_JIntReload_J_reload_LSB 0x0
+#define QIB_7220_JIntReload_J_reload_RMASK 0xFFFF
+
+#define QIB_7220_IBNCModeCtrl_OFFS 0x1B8
+#define QIB_7220_IBNCModeCtrl_Reserved_LSB 0x1A
+#define QIB_7220_IBNCModeCtrl_Reserved_RMASK 0x3FFFFFFFFF
+#define QIB_7220_IBNCModeCtrl_TSMCode_TS2_LSB 0x11
+#define QIB_7220_IBNCModeCtrl_TSMCode_TS2_RMASK 0x1FF
+#define QIB_7220_IBNCModeCtrl_TSMCode_TS1_LSB 0x8
+#define QIB_7220_IBNCModeCtrl_TSMCode_TS1_RMASK 0x1FF
+#define QIB_7220_IBNCModeCtrl_Reserved1_LSB 0x3
+#define QIB_7220_IBNCModeCtrl_Reserved1_RMASK 0x1F
+#define QIB_7220_IBNCModeCtrl_TSMEnable_ignore_TSM_on_rx_LSB 0x2
+#define QIB_7220_IBNCModeCtrl_TSMEnable_ignore_TSM_on_rx_RMASK 0x1
+#define QIB_7220_IBNCModeCtrl_TSMEnable_send_TS2_LSB 0x1
+#define QIB_7220_IBNCModeCtrl_TSMEnable_send_TS2_RMASK 0x1
+#define QIB_7220_IBNCModeCtrl_TSMEnable_send_TS1_LSB 0x0
+#define QIB_7220_IBNCModeCtrl_TSMEnable_send_TS1_RMASK 0x1
+
+#define QIB_7220_SendCtrl_OFFS 0x1C0
+#define QIB_7220_SendCtrl_Disarm_LSB 0x1F
+#define QIB_7220_SendCtrl_Disarm_RMASK 0x1
+#define QIB_7220_SendCtrl_Reserved_LSB 0x1D
+#define QIB_7220_SendCtrl_Reserved_RMASK 0x3
+#define QIB_7220_SendCtrl_AvailUpdThld_LSB 0x18
+#define QIB_7220_SendCtrl_AvailUpdThld_RMASK 0x1F
+#define QIB_7220_SendCtrl_DisarmPIOBuf_LSB 0x10
+#define QIB_7220_SendCtrl_DisarmPIOBuf_RMASK 0xFF
+#define QIB_7220_SendCtrl_Reserved1_LSB 0xD
+#define QIB_7220_SendCtrl_Reserved1_RMASK 0x7
+#define QIB_7220_SendCtrl_SDmaHalt_LSB 0xC
+#define QIB_7220_SendCtrl_SDmaHalt_RMASK 0x1
+#define QIB_7220_SendCtrl_SDmaEnable_LSB 0xB
+#define QIB_7220_SendCtrl_SDmaEnable_RMASK 0x1
+#define QIB_7220_SendCtrl_SDmaSingleDescriptor_LSB 0xA
+#define QIB_7220_SendCtrl_SDmaSingleDescriptor_RMASK 0x1
+#define QIB_7220_SendCtrl_SDmaIntEnable_LSB 0x9
+#define QIB_7220_SendCtrl_SDmaIntEnable_RMASK 0x1
+#define QIB_7220_SendCtrl_Reserved2_LSB 0x5
+#define QIB_7220_SendCtrl_Reserved2_RMASK 0xF
+#define QIB_7220_SendCtrl_SSpecialTriggerEn_LSB 0x4
+#define QIB_7220_SendCtrl_SSpecialTriggerEn_RMASK 0x1
+#define QIB_7220_SendCtrl_SPioEnable_LSB 0x3
+#define QIB_7220_SendCtrl_SPioEnable_RMASK 0x1
+#define QIB_7220_SendCtrl_SendBufAvailUpd_LSB 0x2
+#define QIB_7220_SendCtrl_SendBufAvailUpd_RMASK 0x1
+#define QIB_7220_SendCtrl_SendIntBufAvail_LSB 0x1
+#define QIB_7220_SendCtrl_SendIntBufAvail_RMASK 0x1
+#define QIB_7220_SendCtrl_Abort_LSB 0x0
+#define QIB_7220_SendCtrl_Abort_RMASK 0x1
+
+#define QIB_7220_SendBufBase_OFFS 0x1C8
+#define QIB_7220_SendBufBase_Reserved_LSB 0x35
+#define QIB_7220_SendBufBase_Reserved_RMASK 0x7FF
+#define QIB_7220_SendBufBase_BaseAddr_LargePIO_LSB 0x20
+#define QIB_7220_SendBufBase_BaseAddr_LargePIO_RMASK 0x1FFFFF
+#define QIB_7220_SendBufBase_Reserved1_LSB 0x15
+#define QIB_7220_SendBufBase_Reserved1_RMASK 0x7FF
+#define QIB_7220_SendBufBase_BaseAddr_SmallPIO_LSB 0x0
+#define QIB_7220_SendBufBase_BaseAddr_SmallPIO_RMASK 0x1FFFFF
+
+#define QIB_7220_SendBufSize_OFFS 0x1D0
+#define QIB_7220_SendBufSize_Reserved_LSB 0x2D
+#define QIB_7220_SendBufSize_Reserved_RMASK 0xFFFFF
+#define QIB_7220_SendBufSize_Size_LargePIO_LSB 0x20
+#define QIB_7220_SendBufSize_Size_LargePIO_RMASK 0x1FFF
+#define QIB_7220_SendBufSize_Reserved1_LSB 0xC
+#define QIB_7220_SendBufSize_Reserved1_RMASK 0xFFFFF
+#define QIB_7220_SendBufSize_Size_SmallPIO_LSB 0x0
+#define QIB_7220_SendBufSize_Size_SmallPIO_RMASK 0xFFF
+
+#define QIB_7220_SendBufCnt_OFFS 0x1D8
+#define QIB_7220_SendBufCnt_Reserved_LSB 0x24
+#define QIB_7220_SendBufCnt_Reserved_RMASK 0xFFFFFFF
+#define QIB_7220_SendBufCnt_Num_LargeBuffers_LSB 0x20
+#define QIB_7220_SendBufCnt_Num_LargeBuffers_RMASK 0xF
+#define QIB_7220_SendBufCnt_Reserved1_LSB 0x9
+#define QIB_7220_SendBufCnt_Reserved1_RMASK 0x7FFFFF
+#define QIB_7220_SendBufCnt_Num_SmallBuffers_LSB 0x0
+#define QIB_7220_SendBufCnt_Num_SmallBuffers_RMASK 0x1FF
+
+#define QIB_7220_SendBufAvailAddr_OFFS 0x1E0
+#define QIB_7220_SendBufAvailAddr_SendBufAvailAddr_LSB 0x6
+#define QIB_7220_SendBufAvailAddr_SendBufAvailAddr_RMASK 0x3FFFFFFFF
+#define QIB_7220_SendBufAvailAddr_Reserved_LSB 0x0
+#define QIB_7220_SendBufAvailAddr_Reserved_RMASK 0x3F
+
+#define QIB_7220_TxIntMemBase_OFFS 0x1E8
+
+#define QIB_7220_TxIntMemSize_OFFS 0x1F0
+
+#define QIB_7220_SendDmaBase_OFFS 0x1F8
+#define QIB_7220_SendDmaBase_Reserved_LSB 0x30
+#define QIB_7220_SendDmaBase_Reserved_RMASK 0xFFFF
+#define QIB_7220_SendDmaBase_SendDmaBase_LSB 0x0
+#define QIB_7220_SendDmaBase_SendDmaBase_RMASK 0xFFFFFFFFFFFF
+
+#define QIB_7220_SendDmaLenGen_OFFS 0x200
+#define QIB_7220_SendDmaLenGen_Reserved_LSB 0x13
+#define QIB_7220_SendDmaLenGen_Reserved_RMASK 0x1FFFFFFFFFFF
+#define QIB_7220_SendDmaLenGen_Generation_LSB 0x10
+#define QIB_7220_SendDmaLenGen_Generation_MSB 0x12
+#define QIB_7220_SendDmaLenGen_Generation_RMASK 0x7
+#define QIB_7220_SendDmaLenGen_Length_LSB 0x0
+#define QIB_7220_SendDmaLenGen_Length_RMASK 0xFFFF
+
+#define QIB_7220_SendDmaTail_OFFS 0x208
+#define QIB_7220_SendDmaTail_Reserved_LSB 0x10
+#define QIB_7220_SendDmaTail_Reserved_RMASK 0xFFFFFFFFFFFF
+#define QIB_7220_SendDmaTail_SendDmaTail_LSB 0x0
+#define QIB_7220_SendDmaTail_SendDmaTail_RMASK 0xFFFF
+
+#define QIB_7220_SendDmaHead_OFFS 0x210
+#define QIB_7220_SendDmaHead_Reserved_LSB 0x30
+#define QIB_7220_SendDmaHead_Reserved_RMASK 0xFFFF
+#define QIB_7220_SendDmaHead_InternalSendDmaHead_LSB 0x20
+#define QIB_7220_SendDmaHead_InternalSendDmaHead_RMASK 0xFFFF
+#define QIB_7220_SendDmaHead_Reserved1_LSB 0x10
+#define QIB_7220_SendDmaHead_Reserved1_RMASK 0xFFFF
+#define QIB_7220_SendDmaHead_SendDmaHead_LSB 0x0
+#define QIB_7220_SendDmaHead_SendDmaHead_RMASK 0xFFFF
+
+#define QIB_7220_SendDmaHeadAddr_OFFS 0x218
+#define QIB_7220_SendDmaHeadAddr_Reserved_LSB 0x30
+#define QIB_7220_SendDmaHeadAddr_Reserved_RMASK 0xFFFF
+#define QIB_7220_SendDmaHeadAddr_SendDmaHeadAddr_LSB 0x0
+#define QIB_7220_SendDmaHeadAddr_SendDmaHeadAddr_RMASK 0xFFFFFFFFFFFF
+
+#define QIB_7220_SendDmaBufMask0_OFFS 0x220
+#define QIB_7220_SendDmaBufMask0_BufMask_63_0_LSB 0x0
+#define QIB_7220_SendDmaBufMask0_BufMask_63_0_RMASK 0x0
+
+#define QIB_7220_SendDmaStatus_OFFS 0x238
+#define QIB_7220_SendDmaStatus_ScoreBoardDrainInProg_LSB 0x3F
+#define QIB_7220_SendDmaStatus_ScoreBoardDrainInProg_RMASK 0x1
+#define QIB_7220_SendDmaStatus_AbortInProg_LSB 0x3E
+#define QIB_7220_SendDmaStatus_AbortInProg_RMASK 0x1
+#define QIB_7220_SendDmaStatus_InternalSDmaEnable_LSB 0x3D
+#define QIB_7220_SendDmaStatus_InternalSDmaEnable_RMASK 0x1
+#define QIB_7220_SendDmaStatus_ScbDescIndex_13_0_LSB 0x2F
+#define QIB_7220_SendDmaStatus_ScbDescIndex_13_0_RMASK 0x3FFF
+#define QIB_7220_SendDmaStatus_RpyLowAddr_6_0_LSB 0x28
+#define QIB_7220_SendDmaStatus_RpyLowAddr_6_0_RMASK 0x7F
+#define QIB_7220_SendDmaStatus_RpyTag_7_0_LSB 0x20
+#define QIB_7220_SendDmaStatus_RpyTag_7_0_RMASK 0xFF
+#define QIB_7220_SendDmaStatus_ScbFull_LSB 0x1F
+#define QIB_7220_SendDmaStatus_ScbFull_RMASK 0x1
+#define QIB_7220_SendDmaStatus_ScbEmpty_LSB 0x1E
+#define QIB_7220_SendDmaStatus_ScbEmpty_RMASK 0x1
+#define QIB_7220_SendDmaStatus_ScbEntryValid_LSB 0x1D
+#define QIB_7220_SendDmaStatus_ScbEntryValid_RMASK 0x1
+#define QIB_7220_SendDmaStatus_ScbFetchDescFlag_LSB 0x1C
+#define QIB_7220_SendDmaStatus_ScbFetchDescFlag_RMASK 0x1
+#define QIB_7220_SendDmaStatus_SplFifoReadyToGo_LSB 0x1B
+#define QIB_7220_SendDmaStatus_SplFifoReadyToGo_RMASK 0x1
+#define QIB_7220_SendDmaStatus_SplFifoDisarmed_LSB 0x1A
+#define QIB_7220_SendDmaStatus_SplFifoDisarmed_RMASK 0x1
+#define QIB_7220_SendDmaStatus_SplFifoEmpty_LSB 0x19
+#define QIB_7220_SendDmaStatus_SplFifoEmpty_RMASK 0x1
+#define QIB_7220_SendDmaStatus_SplFifoFull_LSB 0x18
+#define QIB_7220_SendDmaStatus_SplFifoFull_RMASK 0x1
+#define QIB_7220_SendDmaStatus_SplFifoBufNum_LSB 0x10
+#define QIB_7220_SendDmaStatus_SplFifoBufNum_RMASK 0xFF
+#define QIB_7220_SendDmaStatus_SplFifoDescIndex_LSB 0x0
+#define QIB_7220_SendDmaStatus_SplFifoDescIndex_RMASK 0xFFFF
+
+#define QIB_7220_SendBufErr0_OFFS 0x240
+#define QIB_7220_SendBufErr0_SendBufErr_63_0_LSB 0x0
+#define QIB_7220_SendBufErr0_SendBufErr_63_0_RMASK 0x0
+
+#define QIB_7220_RcvHdrAddr0_OFFS 0x270
+#define QIB_7220_RcvHdrAddr0_RcvHdrAddr0_LSB 0x2
+#define QIB_7220_RcvHdrAddr0_RcvHdrAddr0_RMASK 0x3FFFFFFFFF
+#define QIB_7220_RcvHdrAddr0_Reserved_LSB 0x0
+#define QIB_7220_RcvHdrAddr0_Reserved_RMASK 0x3
+
+#define QIB_7220_RcvHdrTailAddr0_OFFS 0x300
+#define QIB_7220_RcvHdrTailAddr0_RcvHdrTailAddr0_LSB 0x2
+#define QIB_7220_RcvHdrTailAddr0_RcvHdrTailAddr0_RMASK 0x3FFFFFFFFF
+#define QIB_7220_RcvHdrTailAddr0_Reserved_LSB 0x0
+#define QIB_7220_RcvHdrTailAddr0_Reserved_RMASK 0x3
+
+#define QIB_7220_ibsd_epb_access_ctrl_OFFS 0x3C0
+#define QIB_7220_ibsd_epb_access_ctrl_sw_ib_epb_req_granted_LSB 0x8
+#define QIB_7220_ibsd_epb_access_ctrl_sw_ib_epb_req_granted_RMASK 0x1
+#define QIB_7220_ibsd_epb_access_ctrl_Reserved_LSB 0x1
+#define QIB_7220_ibsd_epb_access_ctrl_Reserved_RMASK 0x7F
+#define QIB_7220_ibsd_epb_access_ctrl_sw_ib_epb_req_LSB 0x0
+#define QIB_7220_ibsd_epb_access_ctrl_sw_ib_epb_req_RMASK 0x1
+
+#define QIB_7220_ibsd_epb_transaction_reg_OFFS 0x3C8
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_rdy_LSB 0x1F
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_rdy_RMASK 0x1
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_req_error_LSB 0x1E
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_req_error_RMASK 0x1
+#define QIB_7220_ibsd_epb_transaction_reg_Reserved_LSB 0x1D
+#define QIB_7220_ibsd_epb_transaction_reg_Reserved_RMASK 0x1
+#define QIB_7220_ibsd_epb_transaction_reg_mem_data_parity_LSB 0x1C
+#define QIB_7220_ibsd_epb_transaction_reg_mem_data_parity_RMASK 0x1
+#define QIB_7220_ibsd_epb_transaction_reg_Reserved1_LSB 0x1B
+#define QIB_7220_ibsd_epb_transaction_reg_Reserved1_RMASK 0x1
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_cs_LSB 0x19
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_cs_RMASK 0x3
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_read_write_LSB 0x18
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_read_write_RMASK 0x1
+#define QIB_7220_ibsd_epb_transaction_reg_Reserved2_LSB 0x17
+#define QIB_7220_ibsd_epb_transaction_reg_Reserved2_RMASK 0x1
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_address_LSB 0x8
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_address_RMASK 0x7FFF
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_data_LSB 0x0
+#define QIB_7220_ibsd_epb_transaction_reg_ib_epb_data_RMASK 0xFF
+
+#define QIB_7220_XGXSCfg_OFFS 0x3D8
+#define QIB_7220_XGXSCfg_sel_link_down_for_fctrl_lane_sync_reset_LSB 0x3F
+#define QIB_7220_XGXSCfg_sel_link_down_for_fctrl_lane_sync_reset_RMASK 0x1
+#define QIB_7220_XGXSCfg_Reserved_LSB 0x13
+#define QIB_7220_XGXSCfg_Reserved_RMASK 0xFFFFFFFFFFF
+#define QIB_7220_XGXSCfg_link_sync_mask_LSB 0x9
+#define QIB_7220_XGXSCfg_link_sync_mask_RMASK 0x3FF
+#define QIB_7220_XGXSCfg_Reserved1_LSB 0x3
+#define QIB_7220_XGXSCfg_Reserved1_RMASK 0x3F
+#define QIB_7220_XGXSCfg_xcv_reset_LSB 0x2
+#define QIB_7220_XGXSCfg_xcv_reset_RMASK 0x1
+#define QIB_7220_XGXSCfg_Reserved2_LSB 0x1
+#define QIB_7220_XGXSCfg_Reserved2_RMASK 0x1
+#define QIB_7220_XGXSCfg_tx_rx_reset_LSB 0x0
+#define QIB_7220_XGXSCfg_tx_rx_reset_RMASK 0x1
+
+#define QIB_7220_IBSerDesCtrl_OFFS 0x3E0
+#define QIB_7220_IBSerDesCtrl_Reserved_LSB 0x2D
+#define QIB_7220_IBSerDesCtrl_Reserved_RMASK 0x7FFFF
+#define QIB_7220_IBSerDesCtrl_INT_uC_LSB 0x2C
+#define QIB_7220_IBSerDesCtrl_INT_uC_RMASK 0x1
+#define QIB_7220_IBSerDesCtrl_CKSEL_uC_LSB 0x2A
+#define QIB_7220_IBSerDesCtrl_CKSEL_uC_RMASK 0x3
+#define QIB_7220_IBSerDesCtrl_PLLN_LSB 0x28
+#define QIB_7220_IBSerDesCtrl_PLLN_RMASK 0x3
+#define QIB_7220_IBSerDesCtrl_PLLM_LSB 0x25
+#define QIB_7220_IBSerDesCtrl_PLLM_RMASK 0x7
+#define QIB_7220_IBSerDesCtrl_TXOBPD_LSB 0x24
+#define QIB_7220_IBSerDesCtrl_TXOBPD_RMASK 0x1
+#define QIB_7220_IBSerDesCtrl_TWC_LSB 0x23
+#define QIB_7220_IBSerDesCtrl_TWC_RMASK 0x1
+#define QIB_7220_IBSerDesCtrl_RXIDLE_LSB 0x22
+#define QIB_7220_IBSerDesCtrl_RXIDLE_RMASK 0x1
+#define QIB_7220_IBSerDesCtrl_RXINV_LSB 0x21
+#define QIB_7220_IBSerDesCtrl_RXINV_RMASK 0x1
+#define QIB_7220_IBSerDesCtrl_TXINV_LSB 0x20
+#define QIB_7220_IBSerDesCtrl_TXINV_RMASK 0x1
+#define QIB_7220_IBSerDesCtrl_Reserved1_LSB 0x12
+#define QIB_7220_IBSerDesCtrl_Reserved1_RMASK 0x3FFF
+#define QIB_7220_IBSerDesCtrl_NumSerDesRegsToWrForRXEQ_LSB 0xD
+#define QIB_7220_IBSerDesCtrl_NumSerDesRegsToWrForRXEQ_RMASK 0x1F
+#define QIB_7220_IBSerDesCtrl_NumSerDesRegsToWrForDDS_LSB 0x8
+#define QIB_7220_IBSerDesCtrl_NumSerDesRegsToWrForDDS_RMASK 0x1F
+#define QIB_7220_IBSerDesCtrl_Reserved2_LSB 0x1
+#define QIB_7220_IBSerDesCtrl_Reserved2_RMASK 0x7F
+#define QIB_7220_IBSerDesCtrl_ResetIB_uC_Core_LSB 0x0
+#define QIB_7220_IBSerDesCtrl_ResetIB_uC_Core_RMASK 0x1
+
+#define QIB_7220_pciesd_epb_access_ctrl_OFFS 0x400
+#define QIB_7220_pciesd_epb_access_ctrl_sw_pcie_epb_req_granted_LSB 0x8
+#define QIB_7220_pciesd_epb_access_ctrl_sw_pcie_epb_req_granted_RMASK 0x1
+#define QIB_7220_pciesd_epb_access_ctrl_Reserved_LSB 0x3
+#define QIB_7220_pciesd_epb_access_ctrl_Reserved_RMASK 0x1F
+#define QIB_7220_pciesd_epb_access_ctrl_sw_pcieepb_star_en_LSB 0x1
+#define QIB_7220_pciesd_epb_access_ctrl_sw_pcieepb_star_en_RMASK 0x3
+#define QIB_7220_pciesd_epb_access_ctrl_sw_pcie_epb_req_LSB 0x0
+#define QIB_7220_pciesd_epb_access_ctrl_sw_pcie_epb_req_RMASK 0x1
+
+#define QIB_7220_pciesd_epb_transaction_reg_OFFS 0x408
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_rdy_LSB 0x1F
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_rdy_RMASK 0x1
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_req_error_LSB 0x1E
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_req_error_RMASK 0x1
+#define QIB_7220_pciesd_epb_transaction_reg_Reserved_LSB 0x1D
+#define QIB_7220_pciesd_epb_transaction_reg_Reserved_RMASK 0x1
+#define QIB_7220_pciesd_epb_transaction_reg_mem_data_parity_LSB 0x1C
+#define QIB_7220_pciesd_epb_transaction_reg_mem_data_parity_RMASK 0x1
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_cs_LSB 0x19
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_cs_RMASK 0x7
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_read_write_LSB 0x18
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_read_write_RMASK 0x1
+#define QIB_7220_pciesd_epb_transaction_reg_Reserved1_LSB 0x17
+#define QIB_7220_pciesd_epb_transaction_reg_Reserved1_RMASK 0x1
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_address_LSB 0x8
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_address_RMASK 0x7FFF
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_data_LSB 0x0
+#define QIB_7220_pciesd_epb_transaction_reg_pcie_epb_data_RMASK 0xFF
+
+#define QIB_7220_SerDes_DDSRXEQ0_OFFS 0x500
+#define QIB_7220_SerDes_DDSRXEQ0_reg_addr_LSB 0x4
+#define QIB_7220_SerDes_DDSRXEQ0_reg_addr_RMASK 0x3F
+#define QIB_7220_SerDes_DDSRXEQ0_element_num_LSB 0x0
+#define QIB_7220_SerDes_DDSRXEQ0_element_num_RMASK 0xF
+
+#define QIB_7220_LBIntCnt_OFFS 0x13000
+
+#define QIB_7220_LBFlowStallCnt_OFFS 0x13008
+
+#define QIB_7220_TxSDmaDescCnt_OFFS 0x13010
+
+#define QIB_7220_TxUnsupVLErrCnt_OFFS 0x13018
+
+#define QIB_7220_TxDataPktCnt_OFFS 0x13020
+
+#define QIB_7220_TxFlowPktCnt_OFFS 0x13028
+
+#define QIB_7220_TxDwordCnt_OFFS 0x13030
+
+#define QIB_7220_TxLenErrCnt_OFFS 0x13038
+
+#define QIB_7220_TxMaxMinLenErrCnt_OFFS 0x13040
+
+#define QIB_7220_TxUnderrunCnt_OFFS 0x13048
+
+#define QIB_7220_TxFlowStallCnt_OFFS 0x13050
+
+#define QIB_7220_TxDroppedPktCnt_OFFS 0x13058
+
+#define QIB_7220_RxDroppedPktCnt_OFFS 0x13060
+
+#define QIB_7220_RxDataPktCnt_OFFS 0x13068
+
+#define QIB_7220_RxFlowPktCnt_OFFS 0x13070
+
+#define QIB_7220_RxDwordCnt_OFFS 0x13078
+
+#define QIB_7220_RxLenErrCnt_OFFS 0x13080
+
+#define QIB_7220_RxMaxMinLenErrCnt_OFFS 0x13088
+
+#define QIB_7220_RxICRCErrCnt_OFFS 0x13090
+
+#define QIB_7220_RxVCRCErrCnt_OFFS 0x13098
+
+#define QIB_7220_RxFlowCtrlViolCnt_OFFS 0x130A0
+
+#define QIB_7220_RxVersionErrCnt_OFFS 0x130A8
+
+#define QIB_7220_RxLinkMalformCnt_OFFS 0x130B0
+
+#define QIB_7220_RxEBPCnt_OFFS 0x130B8
+
+#define QIB_7220_RxLPCRCErrCnt_OFFS 0x130C0
+
+#define QIB_7220_RxBufOvflCnt_OFFS 0x130C8
+
+#define QIB_7220_RxTIDFullErrCnt_OFFS 0x130D0
+
+#define QIB_7220_RxTIDValidErrCnt_OFFS 0x130D8
+
+#define QIB_7220_RxPKeyMismatchCnt_OFFS 0x130E0
+
+#define QIB_7220_RxP0HdrEgrOvflCnt_OFFS 0x130E8
+
+#define QIB_7220_IBStatusChangeCnt_OFFS 0x13170
+
+#define QIB_7220_IBLinkErrRecoveryCnt_OFFS 0x13178
+
+#define QIB_7220_IBLinkDownedCnt_OFFS 0x13180
+
+#define QIB_7220_IBSymbolErrCnt_OFFS 0x13188
+
+#define QIB_7220_RxVL15DroppedPktCnt_OFFS 0x13190
+
+#define QIB_7220_RxOtherLocalPhyErrCnt_OFFS 0x13198
+
+#define QIB_7220_PcieRetryBufDiagQwordCnt_OFFS 0x131A0
+
+#define QIB_7220_ExcessBufferOvflCnt_OFFS 0x131A8
+
+#define QIB_7220_LocalLinkIntegrityErrCnt_OFFS 0x131B0
+
+#define QIB_7220_RxVlErrCnt_OFFS 0x131B8
+
+#define QIB_7220_RxDlidFltrCnt_OFFS 0x131C0
+
+#define QIB_7220_CNT_0131C8_OFFS 0x131C8
+
+#define QIB_7220_PSStat_OFFS 0x13200
+
+#define QIB_7220_PSStart_OFFS 0x13208
+
+#define QIB_7220_PSInterval_OFFS 0x13210
+
+#define QIB_7220_PSRcvDataCount_OFFS 0x13218
+
+#define QIB_7220_PSRcvPktsCount_OFFS 0x13220
+
+#define QIB_7220_PSXmitDataCount_OFFS 0x13228
+
+#define QIB_7220_PSXmitPktsCount_OFFS 0x13230
+
+#define QIB_7220_PSXmitWaitCount_OFFS 0x13238
+
+#define QIB_7220_CNT_013240_OFFS 0x13240
+
+#define QIB_7220_RcvEgrArray_OFFS 0x14000
+
+#define QIB_7220_MEM_038000_OFFS 0x38000
+
+#define QIB_7220_RcvTIDArray0_OFFS 0x53000
+
+#define QIB_7220_PIOLaunchFIFO_OFFS 0x64000
+
+#define QIB_7220_MEM_064480_OFFS 0x64480
+
+#define QIB_7220_SendPIOpbcCache_OFFS 0x64800
+
+#define QIB_7220_MEM_064C80_OFFS 0x64C80
+
+#define QIB_7220_PreLaunchFIFO_OFFS 0x65000
+
+#define QIB_7220_MEM_065080_OFFS 0x65080
+
+#define QIB_7220_ScoreBoard_OFFS 0x65400
+
+#define QIB_7220_MEM_065440_OFFS 0x65440
+
+#define QIB_7220_DescriptorFIFO_OFFS 0x65800
+
+#define QIB_7220_MEM_065880_OFFS 0x65880
+
+#define QIB_7220_RcvBuf1_OFFS 0x72000
+
+#define QIB_7220_MEM_074800_OFFS 0x74800
+
+#define QIB_7220_RcvBuf2_OFFS 0x75000
+
+#define QIB_7220_MEM_076400_OFFS 0x76400
+
+#define QIB_7220_RcvFlags_OFFS 0x77000
+
+#define QIB_7220_MEM_078400_OFFS 0x78400
+
+#define QIB_7220_RcvLookupBuf1_OFFS 0x79000
+
+#define QIB_7220_MEM_07A400_OFFS 0x7A400
+
+#define QIB_7220_RcvDMADatBuf_OFFS 0x7B000
+
+#define QIB_7220_RcvDMAHdrBuf_OFFS 0x7B800
+
+#define QIB_7220_MiscRXEIntMem_OFFS 0x7C000
+
+#define QIB_7220_MEM_07D400_OFFS 0x7D400
+
+#define QIB_7220_PCIERcvBuf_OFFS 0x80000
+
+#define QIB_7220_PCIERetryBuf_OFFS 0x84000
+
+#define QIB_7220_PCIERcvBufRdToWrAddr_OFFS 0x88000
+
+#define QIB_7220_PCIECplBuf_OFFS 0x90000
+
+#define QIB_7220_IBSerDesMappTable_OFFS 0x94000
+
+#define QIB_7220_MEM_095000_OFFS 0x95000
+
+#define QIB_7220_SendBuf0_MA_OFFS 0x100000
+
+#define QIB_7220_MEM_1A0000_OFFS 0x1A0000
diff --git a/drivers/infiniband/hw/qib/qib_7322_regs.h b/drivers/infiniband/hw/qib/qib_7322_regs.h
new file mode 100644
index 00000000000..a97440ba924
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_7322_regs.h
@@ -0,0 +1,3163 @@
+/*
+ * Copyright (c) 2008, 2009, 2010 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* This file is mechanically generated from RTL. Any hand-edits will be lost! */
+
+#define QIB_7322_Revision_OFFS 0x0
+#define QIB_7322_Revision_DEF 0x0000000002010601
+#define QIB_7322_Revision_R_Simulator_LSB 0x3F
+#define QIB_7322_Revision_R_Simulator_MSB 0x3F
+#define QIB_7322_Revision_R_Simulator_RMASK 0x1
+#define QIB_7322_Revision_R_Emulation_LSB 0x3E
+#define QIB_7322_Revision_R_Emulation_MSB 0x3E
+#define QIB_7322_Revision_R_Emulation_RMASK 0x1
+#define QIB_7322_Revision_R_Emulation_Revcode_LSB 0x28
+#define QIB_7322_Revision_R_Emulation_Revcode_MSB 0x3D
+#define QIB_7322_Revision_R_Emulation_Revcode_RMASK 0x3FFFFF
+#define QIB_7322_Revision_BoardID_LSB 0x20
+#define QIB_7322_Revision_BoardID_MSB 0x27
+#define QIB_7322_Revision_BoardID_RMASK 0xFF
+#define QIB_7322_Revision_R_SW_LSB 0x18
+#define QIB_7322_Revision_R_SW_MSB 0x1F
+#define QIB_7322_Revision_R_SW_RMASK 0xFF
+#define QIB_7322_Revision_R_Arch_LSB 0x10
+#define QIB_7322_Revision_R_Arch_MSB 0x17
+#define QIB_7322_Revision_R_Arch_RMASK 0xFF
+#define QIB_7322_Revision_R_ChipRevMajor_LSB 0x8
+#define QIB_7322_Revision_R_ChipRevMajor_MSB 0xF
+#define QIB_7322_Revision_R_ChipRevMajor_RMASK 0xFF
+#define QIB_7322_Revision_R_ChipRevMinor_LSB 0x0
+#define QIB_7322_Revision_R_ChipRevMinor_MSB 0x7
+#define QIB_7322_Revision_R_ChipRevMinor_RMASK 0xFF
+
+#define QIB_7322_Control_OFFS 0x8
+#define QIB_7322_Control_DEF 0x0000000000000000
+#define QIB_7322_Control_PCIECplQDiagEn_LSB 0x6
+#define QIB_7322_Control_PCIECplQDiagEn_MSB 0x6
+#define QIB_7322_Control_PCIECplQDiagEn_RMASK 0x1
+#define QIB_7322_Control_PCIEPostQDiagEn_LSB 0x5
+#define QIB_7322_Control_PCIEPostQDiagEn_MSB 0x5
+#define QIB_7322_Control_PCIEPostQDiagEn_RMASK 0x1
+#define QIB_7322_Control_SDmaDescFetchPriorityEn_LSB 0x4
+#define QIB_7322_Control_SDmaDescFetchPriorityEn_MSB 0x4
+#define QIB_7322_Control_SDmaDescFetchPriorityEn_RMASK 0x1
+#define QIB_7322_Control_PCIERetryBufDiagEn_LSB 0x3
+#define QIB_7322_Control_PCIERetryBufDiagEn_MSB 0x3
+#define QIB_7322_Control_PCIERetryBufDiagEn_RMASK 0x1
+#define QIB_7322_Control_FreezeMode_LSB 0x1
+#define QIB_7322_Control_FreezeMode_MSB 0x1
+#define QIB_7322_Control_FreezeMode_RMASK 0x1
+#define QIB_7322_Control_SyncReset_LSB 0x0
+#define QIB_7322_Control_SyncReset_MSB 0x0
+#define QIB_7322_Control_SyncReset_RMASK 0x1
+
+#define QIB_7322_PageAlign_OFFS 0x10
+#define QIB_7322_PageAlign_DEF 0x0000000000001000
+
+#define QIB_7322_ContextCnt_OFFS 0x18
+#define QIB_7322_ContextCnt_DEF 0x0000000000000012
+
+#define QIB_7322_Scratch_OFFS 0x20
+#define QIB_7322_Scratch_DEF 0x0000000000000000
+
+#define QIB_7322_CntrRegBase_OFFS 0x28
+#define QIB_7322_CntrRegBase_DEF 0x0000000000011000
+
+#define QIB_7322_SendRegBase_OFFS 0x30
+#define QIB_7322_SendRegBase_DEF 0x0000000000003000
+
+#define QIB_7322_UserRegBase_OFFS 0x38
+#define QIB_7322_UserRegBase_DEF 0x0000000000200000
+
+#define QIB_7322_IntMask_OFFS 0x68
+#define QIB_7322_IntMask_DEF 0x0000000000000000
+#define QIB_7322_IntMask_SDmaIntMask_1_LSB 0x3F
+#define QIB_7322_IntMask_SDmaIntMask_1_MSB 0x3F
+#define QIB_7322_IntMask_SDmaIntMask_1_RMASK 0x1
+#define QIB_7322_IntMask_SDmaIntMask_0_LSB 0x3E
+#define QIB_7322_IntMask_SDmaIntMask_0_MSB 0x3E
+#define QIB_7322_IntMask_SDmaIntMask_0_RMASK 0x1
+#define QIB_7322_IntMask_SDmaProgressIntMask_1_LSB 0x3D
+#define QIB_7322_IntMask_SDmaProgressIntMask_1_MSB 0x3D
+#define QIB_7322_IntMask_SDmaProgressIntMask_1_RMASK 0x1
+#define QIB_7322_IntMask_SDmaProgressIntMask_0_LSB 0x3C
+#define QIB_7322_IntMask_SDmaProgressIntMask_0_MSB 0x3C
+#define QIB_7322_IntMask_SDmaProgressIntMask_0_RMASK 0x1
+#define QIB_7322_IntMask_SDmaIdleIntMask_1_LSB 0x3B
+#define QIB_7322_IntMask_SDmaIdleIntMask_1_MSB 0x3B
+#define QIB_7322_IntMask_SDmaIdleIntMask_1_RMASK 0x1
+#define QIB_7322_IntMask_SDmaIdleIntMask_0_LSB 0x3A
+#define QIB_7322_IntMask_SDmaIdleIntMask_0_MSB 0x3A
+#define QIB_7322_IntMask_SDmaIdleIntMask_0_RMASK 0x1
+#define QIB_7322_IntMask_SDmaCleanupDoneMask_1_LSB 0x39
+#define QIB_7322_IntMask_SDmaCleanupDoneMask_1_MSB 0x39
+#define QIB_7322_IntMask_SDmaCleanupDoneMask_1_RMASK 0x1
+#define QIB_7322_IntMask_SDmaCleanupDoneMask_0_LSB 0x38
+#define QIB_7322_IntMask_SDmaCleanupDoneMask_0_MSB 0x38
+#define QIB_7322_IntMask_SDmaCleanupDoneMask_0_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg17IntMask_LSB 0x31
+#define QIB_7322_IntMask_RcvUrg17IntMask_MSB 0x31
+#define QIB_7322_IntMask_RcvUrg17IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg16IntMask_LSB 0x30
+#define QIB_7322_IntMask_RcvUrg16IntMask_MSB 0x30
+#define QIB_7322_IntMask_RcvUrg16IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg15IntMask_LSB 0x2F
+#define QIB_7322_IntMask_RcvUrg15IntMask_MSB 0x2F
+#define QIB_7322_IntMask_RcvUrg15IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg14IntMask_LSB 0x2E
+#define QIB_7322_IntMask_RcvUrg14IntMask_MSB 0x2E
+#define QIB_7322_IntMask_RcvUrg14IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg13IntMask_LSB 0x2D
+#define QIB_7322_IntMask_RcvUrg13IntMask_MSB 0x2D
+#define QIB_7322_IntMask_RcvUrg13IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg12IntMask_LSB 0x2C
+#define QIB_7322_IntMask_RcvUrg12IntMask_MSB 0x2C
+#define QIB_7322_IntMask_RcvUrg12IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg11IntMask_LSB 0x2B
+#define QIB_7322_IntMask_RcvUrg11IntMask_MSB 0x2B
+#define QIB_7322_IntMask_RcvUrg11IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg10IntMask_LSB 0x2A
+#define QIB_7322_IntMask_RcvUrg10IntMask_MSB 0x2A
+#define QIB_7322_IntMask_RcvUrg10IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg9IntMask_LSB 0x29
+#define QIB_7322_IntMask_RcvUrg9IntMask_MSB 0x29
+#define QIB_7322_IntMask_RcvUrg9IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg8IntMask_LSB 0x28
+#define QIB_7322_IntMask_RcvUrg8IntMask_MSB 0x28
+#define QIB_7322_IntMask_RcvUrg8IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg7IntMask_LSB 0x27
+#define QIB_7322_IntMask_RcvUrg7IntMask_MSB 0x27
+#define QIB_7322_IntMask_RcvUrg7IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg6IntMask_LSB 0x26
+#define QIB_7322_IntMask_RcvUrg6IntMask_MSB 0x26
+#define QIB_7322_IntMask_RcvUrg6IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg5IntMask_LSB 0x25
+#define QIB_7322_IntMask_RcvUrg5IntMask_MSB 0x25
+#define QIB_7322_IntMask_RcvUrg5IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg4IntMask_LSB 0x24
+#define QIB_7322_IntMask_RcvUrg4IntMask_MSB 0x24
+#define QIB_7322_IntMask_RcvUrg4IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg3IntMask_LSB 0x23
+#define QIB_7322_IntMask_RcvUrg3IntMask_MSB 0x23
+#define QIB_7322_IntMask_RcvUrg3IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg2IntMask_LSB 0x22
+#define QIB_7322_IntMask_RcvUrg2IntMask_MSB 0x22
+#define QIB_7322_IntMask_RcvUrg2IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg1IntMask_LSB 0x21
+#define QIB_7322_IntMask_RcvUrg1IntMask_MSB 0x21
+#define QIB_7322_IntMask_RcvUrg1IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvUrg0IntMask_LSB 0x20
+#define QIB_7322_IntMask_RcvUrg0IntMask_MSB 0x20
+#define QIB_7322_IntMask_RcvUrg0IntMask_RMASK 0x1
+#define QIB_7322_IntMask_ErrIntMask_1_LSB 0x1F
+#define QIB_7322_IntMask_ErrIntMask_1_MSB 0x1F
+#define QIB_7322_IntMask_ErrIntMask_1_RMASK 0x1
+#define QIB_7322_IntMask_ErrIntMask_0_LSB 0x1E
+#define QIB_7322_IntMask_ErrIntMask_0_MSB 0x1E
+#define QIB_7322_IntMask_ErrIntMask_0_RMASK 0x1
+#define QIB_7322_IntMask_ErrIntMask_LSB 0x1D
+#define QIB_7322_IntMask_ErrIntMask_MSB 0x1D
+#define QIB_7322_IntMask_ErrIntMask_RMASK 0x1
+#define QIB_7322_IntMask_AssertGPIOIntMask_LSB 0x1C
+#define QIB_7322_IntMask_AssertGPIOIntMask_MSB 0x1C
+#define QIB_7322_IntMask_AssertGPIOIntMask_RMASK 0x1
+#define QIB_7322_IntMask_SendDoneIntMask_1_LSB 0x19
+#define QIB_7322_IntMask_SendDoneIntMask_1_MSB 0x19
+#define QIB_7322_IntMask_SendDoneIntMask_1_RMASK 0x1
+#define QIB_7322_IntMask_SendDoneIntMask_0_LSB 0x18
+#define QIB_7322_IntMask_SendDoneIntMask_0_MSB 0x18
+#define QIB_7322_IntMask_SendDoneIntMask_0_RMASK 0x1
+#define QIB_7322_IntMask_SendBufAvailIntMask_LSB 0x17
+#define QIB_7322_IntMask_SendBufAvailIntMask_MSB 0x17
+#define QIB_7322_IntMask_SendBufAvailIntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail17IntMask_LSB 0x11
+#define QIB_7322_IntMask_RcvAvail17IntMask_MSB 0x11
+#define QIB_7322_IntMask_RcvAvail17IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail16IntMask_LSB 0x10
+#define QIB_7322_IntMask_RcvAvail16IntMask_MSB 0x10
+#define QIB_7322_IntMask_RcvAvail16IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail15IntMask_LSB 0xF
+#define QIB_7322_IntMask_RcvAvail15IntMask_MSB 0xF
+#define QIB_7322_IntMask_RcvAvail15IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail14IntMask_LSB 0xE
+#define QIB_7322_IntMask_RcvAvail14IntMask_MSB 0xE
+#define QIB_7322_IntMask_RcvAvail14IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail13IntMask_LSB 0xD
+#define QIB_7322_IntMask_RcvAvail13IntMask_MSB 0xD
+#define QIB_7322_IntMask_RcvAvail13IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail12IntMask_LSB 0xC
+#define QIB_7322_IntMask_RcvAvail12IntMask_MSB 0xC
+#define QIB_7322_IntMask_RcvAvail12IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail11IntMask_LSB 0xB
+#define QIB_7322_IntMask_RcvAvail11IntMask_MSB 0xB
+#define QIB_7322_IntMask_RcvAvail11IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail10IntMask_LSB 0xA
+#define QIB_7322_IntMask_RcvAvail10IntMask_MSB 0xA
+#define QIB_7322_IntMask_RcvAvail10IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail9IntMask_LSB 0x9
+#define QIB_7322_IntMask_RcvAvail9IntMask_MSB 0x9
+#define QIB_7322_IntMask_RcvAvail9IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail8IntMask_LSB 0x8
+#define QIB_7322_IntMask_RcvAvail8IntMask_MSB 0x8
+#define QIB_7322_IntMask_RcvAvail8IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail7IntMask_LSB 0x7
+#define QIB_7322_IntMask_RcvAvail7IntMask_MSB 0x7
+#define QIB_7322_IntMask_RcvAvail7IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail6IntMask_LSB 0x6
+#define QIB_7322_IntMask_RcvAvail6IntMask_MSB 0x6
+#define QIB_7322_IntMask_RcvAvail6IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail5IntMask_LSB 0x5
+#define QIB_7322_IntMask_RcvAvail5IntMask_MSB 0x5
+#define QIB_7322_IntMask_RcvAvail5IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail4IntMask_LSB 0x4
+#define QIB_7322_IntMask_RcvAvail4IntMask_MSB 0x4
+#define QIB_7322_IntMask_RcvAvail4IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail3IntMask_LSB 0x3
+#define QIB_7322_IntMask_RcvAvail3IntMask_MSB 0x3
+#define QIB_7322_IntMask_RcvAvail3IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail2IntMask_LSB 0x2
+#define QIB_7322_IntMask_RcvAvail2IntMask_MSB 0x2
+#define QIB_7322_IntMask_RcvAvail2IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail1IntMask_LSB 0x1
+#define QIB_7322_IntMask_RcvAvail1IntMask_MSB 0x1
+#define QIB_7322_IntMask_RcvAvail1IntMask_RMASK 0x1
+#define QIB_7322_IntMask_RcvAvail0IntMask_LSB 0x0
+#define QIB_7322_IntMask_RcvAvail0IntMask_MSB 0x0
+#define QIB_7322_IntMask_RcvAvail0IntMask_RMASK 0x1
+
+#define QIB_7322_IntStatus_OFFS 0x70
+#define QIB_7322_IntStatus_DEF 0x0000000000000000
+#define QIB_7322_IntStatus_SDmaInt_1_LSB 0x3F
+#define QIB_7322_IntStatus_SDmaInt_1_MSB 0x3F
+#define QIB_7322_IntStatus_SDmaInt_1_RMASK 0x1
+#define QIB_7322_IntStatus_SDmaInt_0_LSB 0x3E
+#define QIB_7322_IntStatus_SDmaInt_0_MSB 0x3E
+#define QIB_7322_IntStatus_SDmaInt_0_RMASK 0x1
+#define QIB_7322_IntStatus_SDmaProgressInt_1_LSB 0x3D
+#define QIB_7322_IntStatus_SDmaProgressInt_1_MSB 0x3D
+#define QIB_7322_IntStatus_SDmaProgressInt_1_RMASK 0x1
+#define QIB_7322_IntStatus_SDmaProgressInt_0_LSB 0x3C
+#define QIB_7322_IntStatus_SDmaProgressInt_0_MSB 0x3C
+#define QIB_7322_IntStatus_SDmaProgressInt_0_RMASK 0x1
+#define QIB_7322_IntStatus_SDmaIdleInt_1_LSB 0x3B
+#define QIB_7322_IntStatus_SDmaIdleInt_1_MSB 0x3B
+#define QIB_7322_IntStatus_SDmaIdleInt_1_RMASK 0x1
+#define QIB_7322_IntStatus_SDmaIdleInt_0_LSB 0x3A
+#define QIB_7322_IntStatus_SDmaIdleInt_0_MSB 0x3A
+#define QIB_7322_IntStatus_SDmaIdleInt_0_RMASK 0x1
+#define QIB_7322_IntStatus_SDmaCleanupDone_1_LSB 0x39
+#define QIB_7322_IntStatus_SDmaCleanupDone_1_MSB 0x39
+#define QIB_7322_IntStatus_SDmaCleanupDone_1_RMASK 0x1
+#define QIB_7322_IntStatus_SDmaCleanupDone_0_LSB 0x38
+#define QIB_7322_IntStatus_SDmaCleanupDone_0_MSB 0x38
+#define QIB_7322_IntStatus_SDmaCleanupDone_0_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg17_LSB 0x31
+#define QIB_7322_IntStatus_RcvUrg17_MSB 0x31
+#define QIB_7322_IntStatus_RcvUrg17_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg16_LSB 0x30
+#define QIB_7322_IntStatus_RcvUrg16_MSB 0x30
+#define QIB_7322_IntStatus_RcvUrg16_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg15_LSB 0x2F
+#define QIB_7322_IntStatus_RcvUrg15_MSB 0x2F
+#define QIB_7322_IntStatus_RcvUrg15_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg14_LSB 0x2E
+#define QIB_7322_IntStatus_RcvUrg14_MSB 0x2E
+#define QIB_7322_IntStatus_RcvUrg14_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg13_LSB 0x2D
+#define QIB_7322_IntStatus_RcvUrg13_MSB 0x2D
+#define QIB_7322_IntStatus_RcvUrg13_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg12_LSB 0x2C
+#define QIB_7322_IntStatus_RcvUrg12_MSB 0x2C
+#define QIB_7322_IntStatus_RcvUrg12_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg11_LSB 0x2B
+#define QIB_7322_IntStatus_RcvUrg11_MSB 0x2B
+#define QIB_7322_IntStatus_RcvUrg11_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg10_LSB 0x2A
+#define QIB_7322_IntStatus_RcvUrg10_MSB 0x2A
+#define QIB_7322_IntStatus_RcvUrg10_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg9_LSB 0x29
+#define QIB_7322_IntStatus_RcvUrg9_MSB 0x29
+#define QIB_7322_IntStatus_RcvUrg9_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg8_LSB 0x28
+#define QIB_7322_IntStatus_RcvUrg8_MSB 0x28
+#define QIB_7322_IntStatus_RcvUrg8_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg7_LSB 0x27
+#define QIB_7322_IntStatus_RcvUrg7_MSB 0x27
+#define QIB_7322_IntStatus_RcvUrg7_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg6_LSB 0x26
+#define QIB_7322_IntStatus_RcvUrg6_MSB 0x26
+#define QIB_7322_IntStatus_RcvUrg6_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg5_LSB 0x25
+#define QIB_7322_IntStatus_RcvUrg5_MSB 0x25
+#define QIB_7322_IntStatus_RcvUrg5_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg4_LSB 0x24
+#define QIB_7322_IntStatus_RcvUrg4_MSB 0x24
+#define QIB_7322_IntStatus_RcvUrg4_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg3_LSB 0x23
+#define QIB_7322_IntStatus_RcvUrg3_MSB 0x23
+#define QIB_7322_IntStatus_RcvUrg3_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg2_LSB 0x22
+#define QIB_7322_IntStatus_RcvUrg2_MSB 0x22
+#define QIB_7322_IntStatus_RcvUrg2_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg1_LSB 0x21
+#define QIB_7322_IntStatus_RcvUrg1_MSB 0x21
+#define QIB_7322_IntStatus_RcvUrg1_RMASK 0x1
+#define QIB_7322_IntStatus_RcvUrg0_LSB 0x20
+#define QIB_7322_IntStatus_RcvUrg0_MSB 0x20
+#define QIB_7322_IntStatus_RcvUrg0_RMASK 0x1
+#define QIB_7322_IntStatus_Err_1_LSB 0x1F
+#define QIB_7322_IntStatus_Err_1_MSB 0x1F
+#define QIB_7322_IntStatus_Err_1_RMASK 0x1
+#define QIB_7322_IntStatus_Err_0_LSB 0x1E
+#define QIB_7322_IntStatus_Err_0_MSB 0x1E
+#define QIB_7322_IntStatus_Err_0_RMASK 0x1
+#define QIB_7322_IntStatus_Err_LSB 0x1D
+#define QIB_7322_IntStatus_Err_MSB 0x1D
+#define QIB_7322_IntStatus_Err_RMASK 0x1
+#define QIB_7322_IntStatus_AssertGPIO_LSB 0x1C
+#define QIB_7322_IntStatus_AssertGPIO_MSB 0x1C
+#define QIB_7322_IntStatus_AssertGPIO_RMASK 0x1
+#define QIB_7322_IntStatus_SendDone_1_LSB 0x19
+#define QIB_7322_IntStatus_SendDone_1_MSB 0x19
+#define QIB_7322_IntStatus_SendDone_1_RMASK 0x1
+#define QIB_7322_IntStatus_SendDone_0_LSB 0x18
+#define QIB_7322_IntStatus_SendDone_0_MSB 0x18
+#define QIB_7322_IntStatus_SendDone_0_RMASK 0x1
+#define QIB_7322_IntStatus_SendBufAvail_LSB 0x17
+#define QIB_7322_IntStatus_SendBufAvail_MSB 0x17
+#define QIB_7322_IntStatus_SendBufAvail_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail17_LSB 0x11
+#define QIB_7322_IntStatus_RcvAvail17_MSB 0x11
+#define QIB_7322_IntStatus_RcvAvail17_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail16_LSB 0x10
+#define QIB_7322_IntStatus_RcvAvail16_MSB 0x10
+#define QIB_7322_IntStatus_RcvAvail16_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail15_LSB 0xF
+#define QIB_7322_IntStatus_RcvAvail15_MSB 0xF
+#define QIB_7322_IntStatus_RcvAvail15_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail14_LSB 0xE
+#define QIB_7322_IntStatus_RcvAvail14_MSB 0xE
+#define QIB_7322_IntStatus_RcvAvail14_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail13_LSB 0xD
+#define QIB_7322_IntStatus_RcvAvail13_MSB 0xD
+#define QIB_7322_IntStatus_RcvAvail13_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail12_LSB 0xC
+#define QIB_7322_IntStatus_RcvAvail12_MSB 0xC
+#define QIB_7322_IntStatus_RcvAvail12_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail11_LSB 0xB
+#define QIB_7322_IntStatus_RcvAvail11_MSB 0xB
+#define QIB_7322_IntStatus_RcvAvail11_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail10_LSB 0xA
+#define QIB_7322_IntStatus_RcvAvail10_MSB 0xA
+#define QIB_7322_IntStatus_RcvAvail10_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail9_LSB 0x9
+#define QIB_7322_IntStatus_RcvAvail9_MSB 0x9
+#define QIB_7322_IntStatus_RcvAvail9_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail8_LSB 0x8
+#define QIB_7322_IntStatus_RcvAvail8_MSB 0x8
+#define QIB_7322_IntStatus_RcvAvail8_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail7_LSB 0x7
+#define QIB_7322_IntStatus_RcvAvail7_MSB 0x7
+#define QIB_7322_IntStatus_RcvAvail7_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail6_LSB 0x6
+#define QIB_7322_IntStatus_RcvAvail6_MSB 0x6
+#define QIB_7322_IntStatus_RcvAvail6_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail5_LSB 0x5
+#define QIB_7322_IntStatus_RcvAvail5_MSB 0x5
+#define QIB_7322_IntStatus_RcvAvail5_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail4_LSB 0x4
+#define QIB_7322_IntStatus_RcvAvail4_MSB 0x4
+#define QIB_7322_IntStatus_RcvAvail4_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail3_LSB 0x3
+#define QIB_7322_IntStatus_RcvAvail3_MSB 0x3
+#define QIB_7322_IntStatus_RcvAvail3_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail2_LSB 0x2
+#define QIB_7322_IntStatus_RcvAvail2_MSB 0x2
+#define QIB_7322_IntStatus_RcvAvail2_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail1_LSB 0x1
+#define QIB_7322_IntStatus_RcvAvail1_MSB 0x1
+#define QIB_7322_IntStatus_RcvAvail1_RMASK 0x1
+#define QIB_7322_IntStatus_RcvAvail0_LSB 0x0
+#define QIB_7322_IntStatus_RcvAvail0_MSB 0x0
+#define QIB_7322_IntStatus_RcvAvail0_RMASK 0x1
+
+#define QIB_7322_IntClear_OFFS 0x78
+#define QIB_7322_IntClear_DEF 0x0000000000000000
+#define QIB_7322_IntClear_SDmaIntClear_1_LSB 0x3F
+#define QIB_7322_IntClear_SDmaIntClear_1_MSB 0x3F
+#define QIB_7322_IntClear_SDmaIntClear_1_RMASK 0x1
+#define QIB_7322_IntClear_SDmaIntClear_0_LSB 0x3E
+#define QIB_7322_IntClear_SDmaIntClear_0_MSB 0x3E
+#define QIB_7322_IntClear_SDmaIntClear_0_RMASK 0x1
+#define QIB_7322_IntClear_SDmaProgressIntClear_1_LSB 0x3D
+#define QIB_7322_IntClear_SDmaProgressIntClear_1_MSB 0x3D
+#define QIB_7322_IntClear_SDmaProgressIntClear_1_RMASK 0x1
+#define QIB_7322_IntClear_SDmaProgressIntClear_0_LSB 0x3C
+#define QIB_7322_IntClear_SDmaProgressIntClear_0_MSB 0x3C
+#define QIB_7322_IntClear_SDmaProgressIntClear_0_RMASK 0x1
+#define QIB_7322_IntClear_SDmaIdleIntClear_1_LSB 0x3B
+#define QIB_7322_IntClear_SDmaIdleIntClear_1_MSB 0x3B
+#define QIB_7322_IntClear_SDmaIdleIntClear_1_RMASK 0x1
+#define QIB_7322_IntClear_SDmaIdleIntClear_0_LSB 0x3A
+#define QIB_7322_IntClear_SDmaIdleIntClear_0_MSB 0x3A
+#define QIB_7322_IntClear_SDmaIdleIntClear_0_RMASK 0x1
+#define QIB_7322_IntClear_SDmaCleanupDoneClear_1_LSB 0x39
+#define QIB_7322_IntClear_SDmaCleanupDoneClear_1_MSB 0x39
+#define QIB_7322_IntClear_SDmaCleanupDoneClear_1_RMASK 0x1
+#define QIB_7322_IntClear_SDmaCleanupDoneClear_0_LSB 0x38
+#define QIB_7322_IntClear_SDmaCleanupDoneClear_0_MSB 0x38
+#define QIB_7322_IntClear_SDmaCleanupDoneClear_0_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg17IntClear_LSB 0x31
+#define QIB_7322_IntClear_RcvUrg17IntClear_MSB 0x31
+#define QIB_7322_IntClear_RcvUrg17IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg16IntClear_LSB 0x30
+#define QIB_7322_IntClear_RcvUrg16IntClear_MSB 0x30
+#define QIB_7322_IntClear_RcvUrg16IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg15IntClear_LSB 0x2F
+#define QIB_7322_IntClear_RcvUrg15IntClear_MSB 0x2F
+#define QIB_7322_IntClear_RcvUrg15IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg14IntClear_LSB 0x2E
+#define QIB_7322_IntClear_RcvUrg14IntClear_MSB 0x2E
+#define QIB_7322_IntClear_RcvUrg14IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg13IntClear_LSB 0x2D
+#define QIB_7322_IntClear_RcvUrg13IntClear_MSB 0x2D
+#define QIB_7322_IntClear_RcvUrg13IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg12IntClear_LSB 0x2C
+#define QIB_7322_IntClear_RcvUrg12IntClear_MSB 0x2C
+#define QIB_7322_IntClear_RcvUrg12IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg11IntClear_LSB 0x2B
+#define QIB_7322_IntClear_RcvUrg11IntClear_MSB 0x2B
+#define QIB_7322_IntClear_RcvUrg11IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg10IntClear_LSB 0x2A
+#define QIB_7322_IntClear_RcvUrg10IntClear_MSB 0x2A
+#define QIB_7322_IntClear_RcvUrg10IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg9IntClear_LSB 0x29
+#define QIB_7322_IntClear_RcvUrg9IntClear_MSB 0x29
+#define QIB_7322_IntClear_RcvUrg9IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg8IntClear_LSB 0x28
+#define QIB_7322_IntClear_RcvUrg8IntClear_MSB 0x28
+#define QIB_7322_IntClear_RcvUrg8IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg7IntClear_LSB 0x27
+#define QIB_7322_IntClear_RcvUrg7IntClear_MSB 0x27
+#define QIB_7322_IntClear_RcvUrg7IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg6IntClear_LSB 0x26
+#define QIB_7322_IntClear_RcvUrg6IntClear_MSB 0x26
+#define QIB_7322_IntClear_RcvUrg6IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg5IntClear_LSB 0x25
+#define QIB_7322_IntClear_RcvUrg5IntClear_MSB 0x25
+#define QIB_7322_IntClear_RcvUrg5IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg4IntClear_LSB 0x24
+#define QIB_7322_IntClear_RcvUrg4IntClear_MSB 0x24
+#define QIB_7322_IntClear_RcvUrg4IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg3IntClear_LSB 0x23
+#define QIB_7322_IntClear_RcvUrg3IntClear_MSB 0x23
+#define QIB_7322_IntClear_RcvUrg3IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg2IntClear_LSB 0x22
+#define QIB_7322_IntClear_RcvUrg2IntClear_MSB 0x22
+#define QIB_7322_IntClear_RcvUrg2IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg1IntClear_LSB 0x21
+#define QIB_7322_IntClear_RcvUrg1IntClear_MSB 0x21
+#define QIB_7322_IntClear_RcvUrg1IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvUrg0IntClear_LSB 0x20
+#define QIB_7322_IntClear_RcvUrg0IntClear_MSB 0x20
+#define QIB_7322_IntClear_RcvUrg0IntClear_RMASK 0x1
+#define QIB_7322_IntClear_ErrIntClear_1_LSB 0x1F
+#define QIB_7322_IntClear_ErrIntClear_1_MSB 0x1F
+#define QIB_7322_IntClear_ErrIntClear_1_RMASK 0x1
+#define QIB_7322_IntClear_ErrIntClear_0_LSB 0x1E
+#define QIB_7322_IntClear_ErrIntClear_0_MSB 0x1E
+#define QIB_7322_IntClear_ErrIntClear_0_RMASK 0x1
+#define QIB_7322_IntClear_ErrIntClear_LSB 0x1D
+#define QIB_7322_IntClear_ErrIntClear_MSB 0x1D
+#define QIB_7322_IntClear_ErrIntClear_RMASK 0x1
+#define QIB_7322_IntClear_AssertGPIOIntClear_LSB 0x1C
+#define QIB_7322_IntClear_AssertGPIOIntClear_MSB 0x1C
+#define QIB_7322_IntClear_AssertGPIOIntClear_RMASK 0x1
+#define QIB_7322_IntClear_SendDoneIntClear_1_LSB 0x19
+#define QIB_7322_IntClear_SendDoneIntClear_1_MSB 0x19
+#define QIB_7322_IntClear_SendDoneIntClear_1_RMASK 0x1
+#define QIB_7322_IntClear_SendDoneIntClear_0_LSB 0x18
+#define QIB_7322_IntClear_SendDoneIntClear_0_MSB 0x18
+#define QIB_7322_IntClear_SendDoneIntClear_0_RMASK 0x1
+#define QIB_7322_IntClear_SendBufAvailIntClear_LSB 0x17
+#define QIB_7322_IntClear_SendBufAvailIntClear_MSB 0x17
+#define QIB_7322_IntClear_SendBufAvailIntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail17IntClear_LSB 0x11
+#define QIB_7322_IntClear_RcvAvail17IntClear_MSB 0x11
+#define QIB_7322_IntClear_RcvAvail17IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail16IntClear_LSB 0x10
+#define QIB_7322_IntClear_RcvAvail16IntClear_MSB 0x10
+#define QIB_7322_IntClear_RcvAvail16IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail15IntClear_LSB 0xF
+#define QIB_7322_IntClear_RcvAvail15IntClear_MSB 0xF
+#define QIB_7322_IntClear_RcvAvail15IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail14IntClear_LSB 0xE
+#define QIB_7322_IntClear_RcvAvail14IntClear_MSB 0xE
+#define QIB_7322_IntClear_RcvAvail14IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail13IntClear_LSB 0xD
+#define QIB_7322_IntClear_RcvAvail13IntClear_MSB 0xD
+#define QIB_7322_IntClear_RcvAvail13IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail12IntClear_LSB 0xC
+#define QIB_7322_IntClear_RcvAvail12IntClear_MSB 0xC
+#define QIB_7322_IntClear_RcvAvail12IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail11IntClear_LSB 0xB
+#define QIB_7322_IntClear_RcvAvail11IntClear_MSB 0xB
+#define QIB_7322_IntClear_RcvAvail11IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail10IntClear_LSB 0xA
+#define QIB_7322_IntClear_RcvAvail10IntClear_MSB 0xA
+#define QIB_7322_IntClear_RcvAvail10IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail9IntClear_LSB 0x9
+#define QIB_7322_IntClear_RcvAvail9IntClear_MSB 0x9
+#define QIB_7322_IntClear_RcvAvail9IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail8IntClear_LSB 0x8
+#define QIB_7322_IntClear_RcvAvail8IntClear_MSB 0x8
+#define QIB_7322_IntClear_RcvAvail8IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail7IntClear_LSB 0x7
+#define QIB_7322_IntClear_RcvAvail7IntClear_MSB 0x7
+#define QIB_7322_IntClear_RcvAvail7IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail6IntClear_LSB 0x6
+#define QIB_7322_IntClear_RcvAvail6IntClear_MSB 0x6
+#define QIB_7322_IntClear_RcvAvail6IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail5IntClear_LSB 0x5
+#define QIB_7322_IntClear_RcvAvail5IntClear_MSB 0x5
+#define QIB_7322_IntClear_RcvAvail5IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail4IntClear_LSB 0x4
+#define QIB_7322_IntClear_RcvAvail4IntClear_MSB 0x4
+#define QIB_7322_IntClear_RcvAvail4IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail3IntClear_LSB 0x3
+#define QIB_7322_IntClear_RcvAvail3IntClear_MSB 0x3
+#define QIB_7322_IntClear_RcvAvail3IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail2IntClear_LSB 0x2
+#define QIB_7322_IntClear_RcvAvail2IntClear_MSB 0x2
+#define QIB_7322_IntClear_RcvAvail2IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail1IntClear_LSB 0x1
+#define QIB_7322_IntClear_RcvAvail1IntClear_MSB 0x1
+#define QIB_7322_IntClear_RcvAvail1IntClear_RMASK 0x1
+#define QIB_7322_IntClear_RcvAvail0IntClear_LSB 0x0
+#define QIB_7322_IntClear_RcvAvail0IntClear_MSB 0x0
+#define QIB_7322_IntClear_RcvAvail0IntClear_RMASK 0x1
+
+#define QIB_7322_ErrMask_OFFS 0x80
+#define QIB_7322_ErrMask_DEF 0x0000000000000000
+#define QIB_7322_ErrMask_ResetNegatedMask_LSB 0x3F
+#define QIB_7322_ErrMask_ResetNegatedMask_MSB 0x3F
+#define QIB_7322_ErrMask_ResetNegatedMask_RMASK 0x1
+#define QIB_7322_ErrMask_HardwareErrMask_LSB 0x3E
+#define QIB_7322_ErrMask_HardwareErrMask_MSB 0x3E
+#define QIB_7322_ErrMask_HardwareErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_InvalidAddrErrMask_LSB 0x3D
+#define QIB_7322_ErrMask_InvalidAddrErrMask_MSB 0x3D
+#define QIB_7322_ErrMask_InvalidAddrErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_SDmaVL15ErrMask_LSB 0x38
+#define QIB_7322_ErrMask_SDmaVL15ErrMask_MSB 0x38
+#define QIB_7322_ErrMask_SDmaVL15ErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_SBufVL15MisUseErrMask_LSB 0x37
+#define QIB_7322_ErrMask_SBufVL15MisUseErrMask_MSB 0x37
+#define QIB_7322_ErrMask_SBufVL15MisUseErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_InvalidEEPCmdMask_LSB 0x35
+#define QIB_7322_ErrMask_InvalidEEPCmdMask_MSB 0x35
+#define QIB_7322_ErrMask_InvalidEEPCmdMask_RMASK 0x1
+#define QIB_7322_ErrMask_RcvContextShareErrMask_LSB 0x34
+#define QIB_7322_ErrMask_RcvContextShareErrMask_MSB 0x34
+#define QIB_7322_ErrMask_RcvContextShareErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_SendVLMismatchErrMask_LSB 0x24
+#define QIB_7322_ErrMask_SendVLMismatchErrMask_MSB 0x24
+#define QIB_7322_ErrMask_SendVLMismatchErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_SendArmLaunchErrMask_LSB 0x23
+#define QIB_7322_ErrMask_SendArmLaunchErrMask_MSB 0x23
+#define QIB_7322_ErrMask_SendArmLaunchErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_SendSpecialTriggerErrMask_LSB 0x1B
+#define QIB_7322_ErrMask_SendSpecialTriggerErrMask_MSB 0x1B
+#define QIB_7322_ErrMask_SendSpecialTriggerErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_SDmaWrongPortErrMask_LSB 0x1A
+#define QIB_7322_ErrMask_SDmaWrongPortErrMask_MSB 0x1A
+#define QIB_7322_ErrMask_SDmaWrongPortErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_SDmaBufMaskDuplicateErrMask_LSB 0x19
+#define QIB_7322_ErrMask_SDmaBufMaskDuplicateErrMask_MSB 0x19
+#define QIB_7322_ErrMask_SDmaBufMaskDuplicateErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_RcvHdrFullErrMask_LSB 0xD
+#define QIB_7322_ErrMask_RcvHdrFullErrMask_MSB 0xD
+#define QIB_7322_ErrMask_RcvHdrFullErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_RcvEgrFullErrMask_LSB 0xC
+#define QIB_7322_ErrMask_RcvEgrFullErrMask_MSB 0xC
+#define QIB_7322_ErrMask_RcvEgrFullErrMask_RMASK 0x1
+
+#define QIB_7322_ErrStatus_OFFS 0x88
+#define QIB_7322_ErrStatus_DEF 0x0000000000000000
+#define QIB_7322_ErrStatus_ResetNegated_LSB 0x3F
+#define QIB_7322_ErrStatus_ResetNegated_MSB 0x3F
+#define QIB_7322_ErrStatus_ResetNegated_RMASK 0x1
+#define QIB_7322_ErrStatus_HardwareErr_LSB 0x3E
+#define QIB_7322_ErrStatus_HardwareErr_MSB 0x3E
+#define QIB_7322_ErrStatus_HardwareErr_RMASK 0x1
+#define QIB_7322_ErrStatus_InvalidAddrErr_LSB 0x3D
+#define QIB_7322_ErrStatus_InvalidAddrErr_MSB 0x3D
+#define QIB_7322_ErrStatus_InvalidAddrErr_RMASK 0x1
+#define QIB_7322_ErrStatus_SDmaVL15Err_LSB 0x38
+#define QIB_7322_ErrStatus_SDmaVL15Err_MSB 0x38
+#define QIB_7322_ErrStatus_SDmaVL15Err_RMASK 0x1
+#define QIB_7322_ErrStatus_SBufVL15MisUseErr_LSB 0x37
+#define QIB_7322_ErrStatus_SBufVL15MisUseErr_MSB 0x37
+#define QIB_7322_ErrStatus_SBufVL15MisUseErr_RMASK 0x1
+#define QIB_7322_ErrStatus_InvalidEEPCmdErr_LSB 0x35
+#define QIB_7322_ErrStatus_InvalidEEPCmdErr_MSB 0x35
+#define QIB_7322_ErrStatus_InvalidEEPCmdErr_RMASK 0x1
+#define QIB_7322_ErrStatus_RcvContextShareErr_LSB 0x34
+#define QIB_7322_ErrStatus_RcvContextShareErr_MSB 0x34
+#define QIB_7322_ErrStatus_RcvContextShareErr_RMASK 0x1
+#define QIB_7322_ErrStatus_SendVLMismatchErr_LSB 0x24
+#define QIB_7322_ErrStatus_SendVLMismatchErr_MSB 0x24
+#define QIB_7322_ErrStatus_SendVLMismatchErr_RMASK 0x1
+#define QIB_7322_ErrStatus_SendArmLaunchErr_LSB 0x23
+#define QIB_7322_ErrStatus_SendArmLaunchErr_MSB 0x23
+#define QIB_7322_ErrStatus_SendArmLaunchErr_RMASK 0x1
+#define QIB_7322_ErrStatus_SendSpecialTriggerErr_LSB 0x1B
+#define QIB_7322_ErrStatus_SendSpecialTriggerErr_MSB 0x1B
+#define QIB_7322_ErrStatus_SendSpecialTriggerErr_RMASK 0x1
+#define QIB_7322_ErrStatus_SDmaWrongPortErr_LSB 0x1A
+#define QIB_7322_ErrStatus_SDmaWrongPortErr_MSB 0x1A
+#define QIB_7322_ErrStatus_SDmaWrongPortErr_RMASK 0x1
+#define QIB_7322_ErrStatus_SDmaBufMaskDuplicateErr_LSB 0x19
+#define QIB_7322_ErrStatus_SDmaBufMaskDuplicateErr_MSB 0x19
+#define QIB_7322_ErrStatus_SDmaBufMaskDuplicateErr_RMASK 0x1
+#define QIB_7322_ErrStatus_RcvHdrFullErr_LSB 0xD
+#define QIB_7322_ErrStatus_RcvHdrFullErr_MSB 0xD
+#define QIB_7322_ErrStatus_RcvHdrFullErr_RMASK 0x1
+#define QIB_7322_ErrStatus_RcvEgrFullErr_LSB 0xC
+#define QIB_7322_ErrStatus_RcvEgrFullErr_MSB 0xC
+#define QIB_7322_ErrStatus_RcvEgrFullErr_RMASK 0x1
+
+#define QIB_7322_ErrClear_OFFS 0x90
+#define QIB_7322_ErrClear_DEF 0x0000000000000000
+#define QIB_7322_ErrClear_ResetNegatedClear_LSB 0x3F
+#define QIB_7322_ErrClear_ResetNegatedClear_MSB 0x3F
+#define QIB_7322_ErrClear_ResetNegatedClear_RMASK 0x1
+#define QIB_7322_ErrClear_HardwareErrClear_LSB 0x3E
+#define QIB_7322_ErrClear_HardwareErrClear_MSB 0x3E
+#define QIB_7322_ErrClear_HardwareErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_InvalidAddrErrClear_LSB 0x3D
+#define QIB_7322_ErrClear_InvalidAddrErrClear_MSB 0x3D
+#define QIB_7322_ErrClear_InvalidAddrErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_SDmaVL15ErrClear_LSB 0x38
+#define QIB_7322_ErrClear_SDmaVL15ErrClear_MSB 0x38
+#define QIB_7322_ErrClear_SDmaVL15ErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_SBufVL15MisUseErrClear_LSB 0x37
+#define QIB_7322_ErrClear_SBufVL15MisUseErrClear_MSB 0x37
+#define QIB_7322_ErrClear_SBufVL15MisUseErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_InvalidEEPCmdErrClear_LSB 0x35
+#define QIB_7322_ErrClear_InvalidEEPCmdErrClear_MSB 0x35
+#define QIB_7322_ErrClear_InvalidEEPCmdErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_RcvContextShareErrClear_LSB 0x34
+#define QIB_7322_ErrClear_RcvContextShareErrClear_MSB 0x34
+#define QIB_7322_ErrClear_RcvContextShareErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_SendVLMismatchErrMask_LSB 0x24
+#define QIB_7322_ErrClear_SendVLMismatchErrMask_MSB 0x24
+#define QIB_7322_ErrClear_SendVLMismatchErrMask_RMASK 0x1
+#define QIB_7322_ErrClear_SendArmLaunchErrClear_LSB 0x23
+#define QIB_7322_ErrClear_SendArmLaunchErrClear_MSB 0x23
+#define QIB_7322_ErrClear_SendArmLaunchErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_SendSpecialTriggerErrClear_LSB 0x1B
+#define QIB_7322_ErrClear_SendSpecialTriggerErrClear_MSB 0x1B
+#define QIB_7322_ErrClear_SendSpecialTriggerErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_SDmaWrongPortErrClear_LSB 0x1A
+#define QIB_7322_ErrClear_SDmaWrongPortErrClear_MSB 0x1A
+#define QIB_7322_ErrClear_SDmaWrongPortErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_SDmaBufMaskDuplicateErrClear_LSB 0x19
+#define QIB_7322_ErrClear_SDmaBufMaskDuplicateErrClear_MSB 0x19
+#define QIB_7322_ErrClear_SDmaBufMaskDuplicateErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_RcvHdrFullErrClear_LSB 0xD
+#define QIB_7322_ErrClear_RcvHdrFullErrClear_MSB 0xD
+#define QIB_7322_ErrClear_RcvHdrFullErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_RcvEgrFullErrClear_LSB 0xC
+#define QIB_7322_ErrClear_RcvEgrFullErrClear_MSB 0xC
+#define QIB_7322_ErrClear_RcvEgrFullErrClear_RMASK 0x1
+
+#define QIB_7322_HwErrMask_OFFS 0x98
+#define QIB_7322_HwErrMask_DEF 0x0000000000000000
+#define QIB_7322_HwErrMask_IBSerdesPClkNotDetectMask_1_LSB 0x3F
+#define QIB_7322_HwErrMask_IBSerdesPClkNotDetectMask_1_MSB 0x3F
+#define QIB_7322_HwErrMask_IBSerdesPClkNotDetectMask_1_RMASK 0x1
+#define QIB_7322_HwErrMask_IBSerdesPClkNotDetectMask_0_LSB 0x3E
+#define QIB_7322_HwErrMask_IBSerdesPClkNotDetectMask_0_MSB 0x3E
+#define QIB_7322_HwErrMask_IBSerdesPClkNotDetectMask_0_RMASK 0x1
+#define QIB_7322_HwErrMask_PCIESerdesPClkNotDetectMask_LSB 0x37
+#define QIB_7322_HwErrMask_PCIESerdesPClkNotDetectMask_MSB 0x37
+#define QIB_7322_HwErrMask_PCIESerdesPClkNotDetectMask_RMASK 0x1
+#define QIB_7322_HwErrMask_PowerOnBISTFailedMask_LSB 0x36
+#define QIB_7322_HwErrMask_PowerOnBISTFailedMask_MSB 0x36
+#define QIB_7322_HwErrMask_PowerOnBISTFailedMask_RMASK 0x1
+#define QIB_7322_HwErrMask_TempsenseTholdReachedMask_LSB 0x35
+#define QIB_7322_HwErrMask_TempsenseTholdReachedMask_MSB 0x35
+#define QIB_7322_HwErrMask_TempsenseTholdReachedMask_RMASK 0x1
+#define QIB_7322_HwErrMask_MemoryErrMask_LSB 0x30
+#define QIB_7322_HwErrMask_MemoryErrMask_MSB 0x30
+#define QIB_7322_HwErrMask_MemoryErrMask_RMASK 0x1
+#define QIB_7322_HwErrMask_pcie_phy_txParityErr_LSB 0x22
+#define QIB_7322_HwErrMask_pcie_phy_txParityErr_MSB 0x22
+#define QIB_7322_HwErrMask_pcie_phy_txParityErr_RMASK 0x1
+#define QIB_7322_HwErrMask_PCIeBusParityErrMask_LSB 0x1F
+#define QIB_7322_HwErrMask_PCIeBusParityErrMask_MSB 0x21
+#define QIB_7322_HwErrMask_PCIeBusParityErrMask_RMASK 0x7
+#define QIB_7322_HwErrMask_PcieCplTimeoutMask_LSB 0x1E
+#define QIB_7322_HwErrMask_PcieCplTimeoutMask_MSB 0x1E
+#define QIB_7322_HwErrMask_PcieCplTimeoutMask_RMASK 0x1
+#define QIB_7322_HwErrMask_PciePoisonedTLPMask_LSB 0x1D
+#define QIB_7322_HwErrMask_PciePoisonedTLPMask_MSB 0x1D
+#define QIB_7322_HwErrMask_PciePoisonedTLPMask_RMASK 0x1
+#define QIB_7322_HwErrMask_SDmaMemReadErrMask_1_LSB 0x1C
+#define QIB_7322_HwErrMask_SDmaMemReadErrMask_1_MSB 0x1C
+#define QIB_7322_HwErrMask_SDmaMemReadErrMask_1_RMASK 0x1
+#define QIB_7322_HwErrMask_SDmaMemReadErrMask_0_LSB 0x1B
+#define QIB_7322_HwErrMask_SDmaMemReadErrMask_0_MSB 0x1B
+#define QIB_7322_HwErrMask_SDmaMemReadErrMask_0_RMASK 0x1
+#define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_1_LSB 0xF
+#define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_1_MSB 0xF
+#define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_1_RMASK 0x1
+#define QIB_7322_HwErrMask_statusValidNoEopMask_1_LSB 0xE
+#define QIB_7322_HwErrMask_statusValidNoEopMask_1_MSB 0xE
+#define QIB_7322_HwErrMask_statusValidNoEopMask_1_RMASK 0x1
+#define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_0_LSB 0xD
+#define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_0_MSB 0xD
+#define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_0_RMASK 0x1
+#define QIB_7322_HwErrMask_statusValidNoEopMask_0_LSB 0xC
+#define QIB_7322_HwErrMask_statusValidNoEopMask_0_MSB 0xC
+#define QIB_7322_HwErrMask_statusValidNoEopMask_0_RMASK 0x1
+#define QIB_7322_HwErrMask_LATriggeredMask_LSB 0xB
+#define QIB_7322_HwErrMask_LATriggeredMask_MSB 0xB
+#define QIB_7322_HwErrMask_LATriggeredMask_RMASK 0x1
+
+#define QIB_7322_HwErrStatus_OFFS 0xA0
+#define QIB_7322_HwErrStatus_DEF 0x0000000000000000
+#define QIB_7322_HwErrStatus_IBSerdesPClkNotDetect_1_LSB 0x3F
+#define QIB_7322_HwErrStatus_IBSerdesPClkNotDetect_1_MSB 0x3F
+#define QIB_7322_HwErrStatus_IBSerdesPClkNotDetect_1_RMASK 0x1
+#define QIB_7322_HwErrStatus_IBSerdesPClkNotDetect_0_LSB 0x3E
+#define QIB_7322_HwErrStatus_IBSerdesPClkNotDetect_0_MSB 0x3E
+#define QIB_7322_HwErrStatus_IBSerdesPClkNotDetect_0_RMASK 0x1
+#define QIB_7322_HwErrStatus_PCIESerdesPClkNotDetect_LSB 0x37
+#define QIB_7322_HwErrStatus_PCIESerdesPClkNotDetect_MSB 0x37
+#define QIB_7322_HwErrStatus_PCIESerdesPClkNotDetect_RMASK 0x1
+#define QIB_7322_HwErrStatus_PowerOnBISTFailed_LSB 0x36
+#define QIB_7322_HwErrStatus_PowerOnBISTFailed_MSB 0x36
+#define QIB_7322_HwErrStatus_PowerOnBISTFailed_RMASK 0x1
+#define QIB_7322_HwErrStatus_TempsenseTholdReached_LSB 0x35
+#define QIB_7322_HwErrStatus_TempsenseTholdReached_MSB 0x35
+#define QIB_7322_HwErrStatus_TempsenseTholdReached_RMASK 0x1
+#define QIB_7322_HwErrStatus_MemoryErr_LSB 0x30
+#define QIB_7322_HwErrStatus_MemoryErr_MSB 0x30
+#define QIB_7322_HwErrStatus_MemoryErr_RMASK 0x1
+#define QIB_7322_HwErrStatus_pcie_phy_txParityErr_LSB 0x22
+#define QIB_7322_HwErrStatus_pcie_phy_txParityErr_MSB 0x22
+#define QIB_7322_HwErrStatus_pcie_phy_txParityErr_RMASK 0x1
+#define QIB_7322_HwErrStatus_PCIeBusParity_LSB 0x1F
+#define QIB_7322_HwErrStatus_PCIeBusParity_MSB 0x21
+#define QIB_7322_HwErrStatus_PCIeBusParity_RMASK 0x7
+#define QIB_7322_HwErrStatus_PcieCplTimeout_LSB 0x1E
+#define QIB_7322_HwErrStatus_PcieCplTimeout_MSB 0x1E
+#define QIB_7322_HwErrStatus_PcieCplTimeout_RMASK 0x1
+#define QIB_7322_HwErrStatus_PciePoisonedTLP_LSB 0x1D
+#define QIB_7322_HwErrStatus_PciePoisonedTLP_MSB 0x1D
+#define QIB_7322_HwErrStatus_PciePoisonedTLP_RMASK 0x1
+#define QIB_7322_HwErrStatus_SDmaMemReadErr_1_LSB 0x1C
+#define QIB_7322_HwErrStatus_SDmaMemReadErr_1_MSB 0x1C
+#define QIB_7322_HwErrStatus_SDmaMemReadErr_1_RMASK 0x1
+#define QIB_7322_HwErrStatus_SDmaMemReadErr_0_LSB 0x1B
+#define QIB_7322_HwErrStatus_SDmaMemReadErr_0_MSB 0x1B
+#define QIB_7322_HwErrStatus_SDmaMemReadErr_0_RMASK 0x1
+#define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_1_LSB 0xF
+#define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_1_MSB 0xF
+#define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_1_RMASK 0x1
+#define QIB_7322_HwErrStatus_statusValidNoEop_1_LSB 0xE
+#define QIB_7322_HwErrStatus_statusValidNoEop_1_MSB 0xE
+#define QIB_7322_HwErrStatus_statusValidNoEop_1_RMASK 0x1
+#define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_0_LSB 0xD
+#define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_0_MSB 0xD
+#define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_0_RMASK 0x1
+#define QIB_7322_HwErrStatus_statusValidNoEop_0_LSB 0xC
+#define QIB_7322_HwErrStatus_statusValidNoEop_0_MSB 0xC
+#define QIB_7322_HwErrStatus_statusValidNoEop_0_RMASK 0x1
+#define QIB_7322_HwErrStatus_LATriggered_LSB 0xB
+#define QIB_7322_HwErrStatus_LATriggered_MSB 0xB
+#define QIB_7322_HwErrStatus_LATriggered_RMASK 0x1
+
+#define QIB_7322_HwErrClear_OFFS 0xA8
+#define QIB_7322_HwErrClear_DEF 0x0000000000000000
+#define QIB_7322_HwErrClear_IBSerdesPClkNotDetectClear_1_LSB 0x3F
+#define QIB_7322_HwErrClear_IBSerdesPClkNotDetectClear_1_MSB 0x3F
+#define QIB_7322_HwErrClear_IBSerdesPClkNotDetectClear_1_RMASK 0x1
+#define QIB_7322_HwErrClear_IBSerdesPClkNotDetectClear_0_LSB 0x3E
+#define QIB_7322_HwErrClear_IBSerdesPClkNotDetectClear_0_MSB 0x3E
+#define QIB_7322_HwErrClear_IBSerdesPClkNotDetectClear_0_RMASK 0x1
+#define QIB_7322_HwErrClear_PCIESerdesPClkNotDetectClear_LSB 0x37
+#define QIB_7322_HwErrClear_PCIESerdesPClkNotDetectClear_MSB 0x37
+#define QIB_7322_HwErrClear_PCIESerdesPClkNotDetectClear_RMASK 0x1
+#define QIB_7322_HwErrClear_PowerOnBISTFailedClear_LSB 0x36
+#define QIB_7322_HwErrClear_PowerOnBISTFailedClear_MSB 0x36
+#define QIB_7322_HwErrClear_PowerOnBISTFailedClear_RMASK 0x1
+#define QIB_7322_HwErrClear_TempsenseTholdReachedClear_LSB 0x35
+#define QIB_7322_HwErrClear_TempsenseTholdReachedClear_MSB 0x35
+#define QIB_7322_HwErrClear_TempsenseTholdReachedClear_RMASK 0x1
+#define QIB_7322_HwErrClear_MemoryErrClear_LSB 0x30
+#define QIB_7322_HwErrClear_MemoryErrClear_MSB 0x30
+#define QIB_7322_HwErrClear_MemoryErrClear_RMASK 0x1
+#define QIB_7322_HwErrClear_pcie_phy_txParityErr_LSB 0x22
+#define QIB_7322_HwErrClear_pcie_phy_txParityErr_MSB 0x22
+#define QIB_7322_HwErrClear_pcie_phy_txParityErr_RMASK 0x1
+#define QIB_7322_HwErrClear_PCIeBusParityClear_LSB 0x1F
+#define QIB_7322_HwErrClear_PCIeBusParityClear_MSB 0x21
+#define QIB_7322_HwErrClear_PCIeBusParityClear_RMASK 0x7
+#define QIB_7322_HwErrClear_PcieCplTimeoutClear_LSB 0x1E
+#define QIB_7322_HwErrClear_PcieCplTimeoutClear_MSB 0x1E
+#define QIB_7322_HwErrClear_PcieCplTimeoutClear_RMASK 0x1
+#define QIB_7322_HwErrClear_PciePoisonedTLPClear_LSB 0x1D
+#define QIB_7322_HwErrClear_PciePoisonedTLPClear_MSB 0x1D
+#define QIB_7322_HwErrClear_PciePoisonedTLPClear_RMASK 0x1
+#define QIB_7322_HwErrClear_SDmaMemReadErrClear_1_LSB 0x1C
+#define QIB_7322_HwErrClear_SDmaMemReadErrClear_1_MSB 0x1C
+#define QIB_7322_HwErrClear_SDmaMemReadErrClear_1_RMASK 0x1
+#define QIB_7322_HwErrClear_SDmaMemReadErrClear_0_LSB 0x1B
+#define QIB_7322_HwErrClear_SDmaMemReadErrClear_0_MSB 0x1B
+#define QIB_7322_HwErrClear_SDmaMemReadErrClear_0_RMASK 0x1
+#define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_1_LSB 0xF
+#define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_1_MSB 0xF
+#define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_1_RMASK 0x1
+#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_1_LSB 0xE
+#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_1_MSB 0xE
+#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_1_RMASK 0x1
+#define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_0_LSB 0xD
+#define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_0_MSB 0xD
+#define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_0_RMASK 0x1
+#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_0_LSB 0xC
+#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_0_MSB 0xC
+#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_0_RMASK 0x1
+#define QIB_7322_HwErrClear_LATriggeredClear_LSB 0xB
+#define QIB_7322_HwErrClear_LATriggeredClear_MSB 0xB
+#define QIB_7322_HwErrClear_LATriggeredClear_RMASK 0x1
+
+#define QIB_7322_HwDiagCtrl_OFFS 0xB0
+#define QIB_7322_HwDiagCtrl_DEF 0x0000000000000000
+#define QIB_7322_HwDiagCtrl_Diagnostic_LSB 0x3F
+#define QIB_7322_HwDiagCtrl_Diagnostic_MSB 0x3F
+#define QIB_7322_HwDiagCtrl_Diagnostic_RMASK 0x1
+#define QIB_7322_HwDiagCtrl_CounterWrEnable_LSB 0x3D
+#define QIB_7322_HwDiagCtrl_CounterWrEnable_MSB 0x3D
+#define QIB_7322_HwDiagCtrl_CounterWrEnable_RMASK 0x1
+#define QIB_7322_HwDiagCtrl_CounterDisable_LSB 0x3C
+#define QIB_7322_HwDiagCtrl_CounterDisable_MSB 0x3C
+#define QIB_7322_HwDiagCtrl_CounterDisable_RMASK 0x1
+#define QIB_7322_HwDiagCtrl_forcePCIeBusParity_LSB 0x1F
+#define QIB_7322_HwDiagCtrl_forcePCIeBusParity_MSB 0x22
+#define QIB_7322_HwDiagCtrl_forcePCIeBusParity_RMASK 0xF
+#define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_1_LSB 0xF
+#define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_1_MSB 0xF
+#define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_1_RMASK 0x1
+#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_1_LSB 0xE
+#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_1_MSB 0xE
+#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_1_RMASK 0x1
+#define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_0_LSB 0xD
+#define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_0_MSB 0xD
+#define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_0_RMASK 0x1
+#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_0_LSB 0xC
+#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_0_MSB 0xC
+#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_0_RMASK 0x1
+
+#define QIB_7322_EXTStatus_OFFS 0xC0
+#define QIB_7322_EXTStatus_DEF 0x000000000000X000
+#define QIB_7322_EXTStatus_GPIOIn_LSB 0x30
+#define QIB_7322_EXTStatus_GPIOIn_MSB 0x3F
+#define QIB_7322_EXTStatus_GPIOIn_RMASK 0xFFFF
+#define QIB_7322_EXTStatus_MemBISTDisabled_LSB 0xF
+#define QIB_7322_EXTStatus_MemBISTDisabled_MSB 0xF
+#define QIB_7322_EXTStatus_MemBISTDisabled_RMASK 0x1
+#define QIB_7322_EXTStatus_MemBISTEndTest_LSB 0xE
+#define QIB_7322_EXTStatus_MemBISTEndTest_MSB 0xE
+#define QIB_7322_EXTStatus_MemBISTEndTest_RMASK 0x1
+
+#define QIB_7322_EXTCtrl_OFFS 0xC8
+#define QIB_7322_EXTCtrl_DEF 0x0000000000000000
+#define QIB_7322_EXTCtrl_GPIOOe_LSB 0x30
+#define QIB_7322_EXTCtrl_GPIOOe_MSB 0x3F
+#define QIB_7322_EXTCtrl_GPIOOe_RMASK 0xFFFF
+#define QIB_7322_EXTCtrl_GPIOInvert_LSB 0x20
+#define QIB_7322_EXTCtrl_GPIOInvert_MSB 0x2F
+#define QIB_7322_EXTCtrl_GPIOInvert_RMASK 0xFFFF
+#define QIB_7322_EXTCtrl_LEDPort1GreenOn_LSB 0x3
+#define QIB_7322_EXTCtrl_LEDPort1GreenOn_MSB 0x3
+#define QIB_7322_EXTCtrl_LEDPort1GreenOn_RMASK 0x1
+#define QIB_7322_EXTCtrl_LEDPort1YellowOn_LSB 0x2
+#define QIB_7322_EXTCtrl_LEDPort1YellowOn_MSB 0x2
+#define QIB_7322_EXTCtrl_LEDPort1YellowOn_RMASK 0x1
+#define QIB_7322_EXTCtrl_LEDPort0GreenOn_LSB 0x1
+#define QIB_7322_EXTCtrl_LEDPort0GreenOn_MSB 0x1
+#define QIB_7322_EXTCtrl_LEDPort0GreenOn_RMASK 0x1
+#define QIB_7322_EXTCtrl_LEDPort0YellowOn_LSB 0x0
+#define QIB_7322_EXTCtrl_LEDPort0YellowOn_MSB 0x0
+#define QIB_7322_EXTCtrl_LEDPort0YellowOn_RMASK 0x1
+
+#define QIB_7322_GPIOOut_OFFS 0xE0
+#define QIB_7322_GPIOOut_DEF 0x0000000000000000
+
+#define QIB_7322_GPIOMask_OFFS 0xE8
+#define QIB_7322_GPIOMask_DEF 0x0000000000000000
+
+#define QIB_7322_GPIOStatus_OFFS 0xF0
+#define QIB_7322_GPIOStatus_DEF 0x0000000000000000
+
+#define QIB_7322_GPIOClear_OFFS 0xF8
+#define QIB_7322_GPIOClear_DEF 0x0000000000000000
+
+#define QIB_7322_RcvCtrl_OFFS 0x100
+#define QIB_7322_RcvCtrl_DEF 0x0000000000000000
+#define QIB_7322_RcvCtrl_TidReDirect_LSB 0x30
+#define QIB_7322_RcvCtrl_TidReDirect_MSB 0x3F
+#define QIB_7322_RcvCtrl_TidReDirect_RMASK 0xFFFF
+#define QIB_7322_RcvCtrl_TailUpd_LSB 0x2F
+#define QIB_7322_RcvCtrl_TailUpd_MSB 0x2F
+#define QIB_7322_RcvCtrl_TailUpd_RMASK 0x1
+#define QIB_7322_RcvCtrl_XrcTypeCode_LSB 0x2C
+#define QIB_7322_RcvCtrl_XrcTypeCode_MSB 0x2E
+#define QIB_7322_RcvCtrl_XrcTypeCode_RMASK 0x7
+#define QIB_7322_RcvCtrl_TidFlowEnable_LSB 0x2B
+#define QIB_7322_RcvCtrl_TidFlowEnable_MSB 0x2B
+#define QIB_7322_RcvCtrl_TidFlowEnable_RMASK 0x1
+#define QIB_7322_RcvCtrl_ContextCfg_LSB 0x29
+#define QIB_7322_RcvCtrl_ContextCfg_MSB 0x2A
+#define QIB_7322_RcvCtrl_ContextCfg_RMASK 0x3
+#define QIB_7322_RcvCtrl_IntrAvail_LSB 0x14
+#define QIB_7322_RcvCtrl_IntrAvail_MSB 0x25
+#define QIB_7322_RcvCtrl_IntrAvail_RMASK 0x3FFFF
+#define QIB_7322_RcvCtrl_dontDropRHQFull_LSB 0x0
+#define QIB_7322_RcvCtrl_dontDropRHQFull_MSB 0x11
+#define QIB_7322_RcvCtrl_dontDropRHQFull_RMASK 0x3FFFF
+
+#define QIB_7322_RcvHdrSize_OFFS 0x110
+#define QIB_7322_RcvHdrSize_DEF 0x0000000000000000
+
+#define QIB_7322_RcvHdrCnt_OFFS 0x118
+#define QIB_7322_RcvHdrCnt_DEF 0x0000000000000000
+
+#define QIB_7322_RcvHdrEntSize_OFFS 0x120
+#define QIB_7322_RcvHdrEntSize_DEF 0x0000000000000000
+
+#define QIB_7322_RcvTIDBase_OFFS 0x128
+#define QIB_7322_RcvTIDBase_DEF 0x0000000000050000
+
+#define QIB_7322_RcvTIDCnt_OFFS 0x130
+#define QIB_7322_RcvTIDCnt_DEF 0x0000000000000200
+
+#define QIB_7322_RcvEgrBase_OFFS 0x138
+#define QIB_7322_RcvEgrBase_DEF 0x0000000000014000
+
+#define QIB_7322_RcvEgrCnt_OFFS 0x140
+#define QIB_7322_RcvEgrCnt_DEF 0x0000000000001000
+
+#define QIB_7322_RcvBufBase_OFFS 0x148
+#define QIB_7322_RcvBufBase_DEF 0x0000000000080000
+
+#define QIB_7322_RcvBufSize_OFFS 0x150
+#define QIB_7322_RcvBufSize_DEF 0x0000000000005000
+
+#define QIB_7322_RxIntMemBase_OFFS 0x158
+#define QIB_7322_RxIntMemBase_DEF 0x0000000000077000
+
+#define QIB_7322_RxIntMemSize_OFFS 0x160
+#define QIB_7322_RxIntMemSize_DEF 0x0000000000007000
+
+#define QIB_7322_feature_mask_OFFS 0x190
+#define QIB_7322_feature_mask_DEF 0x00000000000000XX
+
+#define QIB_7322_active_feature_mask_OFFS 0x198
+#define QIB_7322_active_feature_mask_DEF 0x00000000000000XX
+#define QIB_7322_active_feature_mask_Port1_QDR_Enabled_LSB 0x5
+#define QIB_7322_active_feature_mask_Port1_QDR_Enabled_MSB 0x5
+#define QIB_7322_active_feature_mask_Port1_QDR_Enabled_RMASK 0x1
+#define QIB_7322_active_feature_mask_Port1_DDR_Enabled_LSB 0x4
+#define QIB_7322_active_feature_mask_Port1_DDR_Enabled_MSB 0x4
+#define QIB_7322_active_feature_mask_Port1_DDR_Enabled_RMASK 0x1
+#define QIB_7322_active_feature_mask_Port1_SDR_Enabled_LSB 0x3
+#define QIB_7322_active_feature_mask_Port1_SDR_Enabled_MSB 0x3
+#define QIB_7322_active_feature_mask_Port1_SDR_Enabled_RMASK 0x1
+#define QIB_7322_active_feature_mask_Port0_QDR_Enabled_LSB 0x2
+#define QIB_7322_active_feature_mask_Port0_QDR_Enabled_MSB 0x2
+#define QIB_7322_active_feature_mask_Port0_QDR_Enabled_RMASK 0x1
+#define QIB_7322_active_feature_mask_Port0_DDR_Enabled_LSB 0x1
+#define QIB_7322_active_feature_mask_Port0_DDR_Enabled_MSB 0x1
+#define QIB_7322_active_feature_mask_Port0_DDR_Enabled_RMASK 0x1
+#define QIB_7322_active_feature_mask_Port0_SDR_Enabled_LSB 0x0
+#define QIB_7322_active_feature_mask_Port0_SDR_Enabled_MSB 0x0
+#define QIB_7322_active_feature_mask_Port0_SDR_Enabled_RMASK 0x1
+
+#define QIB_7322_SendCtrl_OFFS 0x1C0
+#define QIB_7322_SendCtrl_DEF 0x0000000000000000
+#define QIB_7322_SendCtrl_Disarm_LSB 0x1F
+#define QIB_7322_SendCtrl_Disarm_MSB 0x1F
+#define QIB_7322_SendCtrl_Disarm_RMASK 0x1
+#define QIB_7322_SendCtrl_SendBufAvailPad64Byte_LSB 0x1D
+#define QIB_7322_SendCtrl_SendBufAvailPad64Byte_MSB 0x1D
+#define QIB_7322_SendCtrl_SendBufAvailPad64Byte_RMASK 0x1
+#define QIB_7322_SendCtrl_AvailUpdThld_LSB 0x18
+#define QIB_7322_SendCtrl_AvailUpdThld_MSB 0x1C
+#define QIB_7322_SendCtrl_AvailUpdThld_RMASK 0x1F
+#define QIB_7322_SendCtrl_DisarmSendBuf_LSB 0x10
+#define QIB_7322_SendCtrl_DisarmSendBuf_MSB 0x17
+#define QIB_7322_SendCtrl_DisarmSendBuf_RMASK 0xFF
+#define QIB_7322_SendCtrl_SpecialTriggerEn_LSB 0x4
+#define QIB_7322_SendCtrl_SpecialTriggerEn_MSB 0x4
+#define QIB_7322_SendCtrl_SpecialTriggerEn_RMASK 0x1
+#define QIB_7322_SendCtrl_SendBufAvailUpd_LSB 0x2
+#define QIB_7322_SendCtrl_SendBufAvailUpd_MSB 0x2
+#define QIB_7322_SendCtrl_SendBufAvailUpd_RMASK 0x1
+#define QIB_7322_SendCtrl_SendIntBufAvail_LSB 0x1
+#define QIB_7322_SendCtrl_SendIntBufAvail_MSB 0x1
+#define QIB_7322_SendCtrl_SendIntBufAvail_RMASK 0x1
+
+#define QIB_7322_SendBufBase_OFFS 0x1C8
+#define QIB_7322_SendBufBase_DEF 0x0018000000100000
+#define QIB_7322_SendBufBase_BaseAddr_LargePIO_LSB 0x20
+#define QIB_7322_SendBufBase_BaseAddr_LargePIO_MSB 0x34
+#define QIB_7322_SendBufBase_BaseAddr_LargePIO_RMASK 0x1FFFFF
+#define QIB_7322_SendBufBase_BaseAddr_SmallPIO_LSB 0x0
+#define QIB_7322_SendBufBase_BaseAddr_SmallPIO_MSB 0x14
+#define QIB_7322_SendBufBase_BaseAddr_SmallPIO_RMASK 0x1FFFFF
+
+#define QIB_7322_SendBufSize_OFFS 0x1D0
+#define QIB_7322_SendBufSize_DEF 0x0000108000000880
+#define QIB_7322_SendBufSize_Size_LargePIO_LSB 0x20
+#define QIB_7322_SendBufSize_Size_LargePIO_MSB 0x2C
+#define QIB_7322_SendBufSize_Size_LargePIO_RMASK 0x1FFF
+#define QIB_7322_SendBufSize_Size_SmallPIO_LSB 0x0
+#define QIB_7322_SendBufSize_Size_SmallPIO_MSB 0xB
+#define QIB_7322_SendBufSize_Size_SmallPIO_RMASK 0xFFF
+
+#define QIB_7322_SendBufCnt_OFFS 0x1D8
+#define QIB_7322_SendBufCnt_DEF 0x0000002000000080
+#define QIB_7322_SendBufCnt_Num_LargeBuffers_LSB 0x20
+#define QIB_7322_SendBufCnt_Num_LargeBuffers_MSB 0x25
+#define QIB_7322_SendBufCnt_Num_LargeBuffers_RMASK 0x3F
+#define QIB_7322_SendBufCnt_Num_SmallBuffers_LSB 0x0
+#define QIB_7322_SendBufCnt_Num_SmallBuffers_MSB 0x8
+#define QIB_7322_SendBufCnt_Num_SmallBuffers_RMASK 0x1FF
+
+#define QIB_7322_SendBufAvailAddr_OFFS 0x1E0
+#define QIB_7322_SendBufAvailAddr_DEF 0x0000000000000000
+#define QIB_7322_SendBufAvailAddr_SendBufAvailAddr_LSB 0x6
+#define QIB_7322_SendBufAvailAddr_SendBufAvailAddr_MSB 0x27
+#define QIB_7322_SendBufAvailAddr_SendBufAvailAddr_RMASK 0x3FFFFFFFF
+
+#define QIB_7322_SendBufErr0_OFFS 0x240
+#define QIB_7322_SendBufErr0_DEF 0x0000000000000000
+#define QIB_7322_SendBufErr0_SendBufErr_63_0_LSB 0x0
+#define QIB_7322_SendBufErr0_SendBufErr_63_0_MSB 0x3F
+#define QIB_7322_SendBufErr0_SendBufErr_63_0_RMASK 0x0
+
+#define QIB_7322_AvailUpdCount_OFFS 0x268
+#define QIB_7322_AvailUpdCount_DEF 0x0000000000000000
+#define QIB_7322_AvailUpdCount_AvailUpdCount_LSB 0x0
+#define QIB_7322_AvailUpdCount_AvailUpdCount_MSB 0x4
+#define QIB_7322_AvailUpdCount_AvailUpdCount_RMASK 0x1F
+
+#define QIB_7322_RcvHdrAddr0_OFFS 0x280
+#define QIB_7322_RcvHdrAddr0_DEF 0x0000000000000000
+#define QIB_7322_RcvHdrAddr0_RcvHdrAddr_LSB 0x2
+#define QIB_7322_RcvHdrAddr0_RcvHdrAddr_MSB 0x27
+#define QIB_7322_RcvHdrAddr0_RcvHdrAddr_RMASK 0x3FFFFFFFFF
+
+#define QIB_7322_RcvHdrTailAddr0_OFFS 0x340
+#define QIB_7322_RcvHdrTailAddr0_DEF 0x0000000000000000
+#define QIB_7322_RcvHdrTailAddr0_RcvHdrTailAddr_LSB 0x2
+#define QIB_7322_RcvHdrTailAddr0_RcvHdrTailAddr_MSB 0x27
+#define QIB_7322_RcvHdrTailAddr0_RcvHdrTailAddr_RMASK 0x3FFFFFFFFF
+
+#define QIB_7322_ahb_access_ctrl_OFFS 0x460
+#define QIB_7322_ahb_access_ctrl_DEF 0x0000000000000000
+#define QIB_7322_ahb_access_ctrl_sw_sel_ahb_trgt_LSB 0x1
+#define QIB_7322_ahb_access_ctrl_sw_sel_ahb_trgt_MSB 0x2
+#define QIB_7322_ahb_access_ctrl_sw_sel_ahb_trgt_RMASK 0x3
+#define QIB_7322_ahb_access_ctrl_sw_ahb_sel_LSB 0x0
+#define QIB_7322_ahb_access_ctrl_sw_ahb_sel_MSB 0x0
+#define QIB_7322_ahb_access_ctrl_sw_ahb_sel_RMASK 0x1
+
+#define QIB_7322_ahb_transaction_reg_OFFS 0x468
+#define QIB_7322_ahb_transaction_reg_DEF 0x0000000080000000
+#define QIB_7322_ahb_transaction_reg_ahb_data_LSB 0x20
+#define QIB_7322_ahb_transaction_reg_ahb_data_MSB 0x3F
+#define QIB_7322_ahb_transaction_reg_ahb_data_RMASK 0xFFFFFFFF
+#define QIB_7322_ahb_transaction_reg_ahb_rdy_LSB 0x1F
+#define QIB_7322_ahb_transaction_reg_ahb_rdy_MSB 0x1F
+#define QIB_7322_ahb_transaction_reg_ahb_rdy_RMASK 0x1
+#define QIB_7322_ahb_transaction_reg_ahb_req_err_LSB 0x1E
+#define QIB_7322_ahb_transaction_reg_ahb_req_err_MSB 0x1E
+#define QIB_7322_ahb_transaction_reg_ahb_req_err_RMASK 0x1
+#define QIB_7322_ahb_transaction_reg_write_not_read_LSB 0x1B
+#define QIB_7322_ahb_transaction_reg_write_not_read_MSB 0x1B
+#define QIB_7322_ahb_transaction_reg_write_not_read_RMASK 0x1
+#define QIB_7322_ahb_transaction_reg_ahb_address_LSB 0x10
+#define QIB_7322_ahb_transaction_reg_ahb_address_MSB 0x1A
+#define QIB_7322_ahb_transaction_reg_ahb_address_RMASK 0x7FF
+
+#define QIB_7322_SPC_JTAG_ACCESS_REG_OFFS 0x470
+#define QIB_7322_SPC_JTAG_ACCESS_REG_DEF 0x0000000000000001
+#define QIB_7322_SPC_JTAG_ACCESS_REG_SPC_JTAG_ACCESS_EN_LSB 0xA
+#define QIB_7322_SPC_JTAG_ACCESS_REG_SPC_JTAG_ACCESS_EN_MSB 0xA
+#define QIB_7322_SPC_JTAG_ACCESS_REG_SPC_JTAG_ACCESS_EN_RMASK 0x1
+#define QIB_7322_SPC_JTAG_ACCESS_REG_bist_en_LSB 0x5
+#define QIB_7322_SPC_JTAG_ACCESS_REG_bist_en_MSB 0x9
+#define QIB_7322_SPC_JTAG_ACCESS_REG_bist_en_RMASK 0x1F
+#define QIB_7322_SPC_JTAG_ACCESS_REG_opcode_LSB 0x3
+#define QIB_7322_SPC_JTAG_ACCESS_REG_opcode_MSB 0x4
+#define QIB_7322_SPC_JTAG_ACCESS_REG_opcode_RMASK 0x3
+#define QIB_7322_SPC_JTAG_ACCESS_REG_tdi_LSB 0x2
+#define QIB_7322_SPC_JTAG_ACCESS_REG_tdi_MSB 0x2
+#define QIB_7322_SPC_JTAG_ACCESS_REG_tdi_RMASK 0x1
+#define QIB_7322_SPC_JTAG_ACCESS_REG_tdo_LSB 0x1
+#define QIB_7322_SPC_JTAG_ACCESS_REG_tdo_MSB 0x1
+#define QIB_7322_SPC_JTAG_ACCESS_REG_tdo_RMASK 0x1
+#define QIB_7322_SPC_JTAG_ACCESS_REG_rdy_LSB 0x0
+#define QIB_7322_SPC_JTAG_ACCESS_REG_rdy_MSB 0x0
+#define QIB_7322_SPC_JTAG_ACCESS_REG_rdy_RMASK 0x1
+
+#define QIB_7322_SendCheckMask0_OFFS 0x4C0
+#define QIB_7322_SendCheckMask0_DEF 0x0000000000000000
+#define QIB_7322_SendCheckMask0_SendCheckMask_63_32_LSB 0x0
+#define QIB_7322_SendCheckMask0_SendCheckMask_63_32_MSB 0x3F
+#define QIB_7322_SendCheckMask0_SendCheckMask_63_32_RMASK 0x0
+
+#define QIB_7322_SendGRHCheckMask0_OFFS 0x4E0
+#define QIB_7322_SendGRHCheckMask0_DEF 0x0000000000000000
+#define QIB_7322_SendGRHCheckMask0_SendGRHCheckMask_63_32_LSB 0x0
+#define QIB_7322_SendGRHCheckMask0_SendGRHCheckMask_63_32_MSB 0x3F
+#define QIB_7322_SendGRHCheckMask0_SendGRHCheckMask_63_32_RMASK 0x0
+
+#define QIB_7322_SendIBPacketMask0_OFFS 0x500
+#define QIB_7322_SendIBPacketMask0_DEF 0x0000000000000000
+#define QIB_7322_SendIBPacketMask0_SendIBPacketMask_63_32_LSB 0x0
+#define QIB_7322_SendIBPacketMask0_SendIBPacketMask_63_32_MSB 0x3F
+#define QIB_7322_SendIBPacketMask0_SendIBPacketMask_63_32_RMASK 0x0
+
+#define QIB_7322_IntRedirect0_OFFS 0x540
+#define QIB_7322_IntRedirect0_DEF 0x0000000000000000
+#define QIB_7322_IntRedirect0_vec11_LSB 0x37
+#define QIB_7322_IntRedirect0_vec11_MSB 0x3B
+#define QIB_7322_IntRedirect0_vec11_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec10_LSB 0x32
+#define QIB_7322_IntRedirect0_vec10_MSB 0x36
+#define QIB_7322_IntRedirect0_vec10_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec9_LSB 0x2D
+#define QIB_7322_IntRedirect0_vec9_MSB 0x31
+#define QIB_7322_IntRedirect0_vec9_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec8_LSB 0x28
+#define QIB_7322_IntRedirect0_vec8_MSB 0x2C
+#define QIB_7322_IntRedirect0_vec8_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec7_LSB 0x23
+#define QIB_7322_IntRedirect0_vec7_MSB 0x27
+#define QIB_7322_IntRedirect0_vec7_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec6_LSB 0x1E
+#define QIB_7322_IntRedirect0_vec6_MSB 0x22
+#define QIB_7322_IntRedirect0_vec6_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec5_LSB 0x19
+#define QIB_7322_IntRedirect0_vec5_MSB 0x1D
+#define QIB_7322_IntRedirect0_vec5_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec4_LSB 0x14
+#define QIB_7322_IntRedirect0_vec4_MSB 0x18
+#define QIB_7322_IntRedirect0_vec4_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec3_LSB 0xF
+#define QIB_7322_IntRedirect0_vec3_MSB 0x13
+#define QIB_7322_IntRedirect0_vec3_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec2_LSB 0xA
+#define QIB_7322_IntRedirect0_vec2_MSB 0xE
+#define QIB_7322_IntRedirect0_vec2_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec1_LSB 0x5
+#define QIB_7322_IntRedirect0_vec1_MSB 0x9
+#define QIB_7322_IntRedirect0_vec1_RMASK 0x1F
+#define QIB_7322_IntRedirect0_vec0_LSB 0x0
+#define QIB_7322_IntRedirect0_vec0_MSB 0x4
+#define QIB_7322_IntRedirect0_vec0_RMASK 0x1F
+
+#define QIB_7322_Int_Granted_OFFS 0x570
+#define QIB_7322_Int_Granted_DEF 0x0000000000000000
+
+#define QIB_7322_vec_clr_without_int_OFFS 0x578
+#define QIB_7322_vec_clr_without_int_DEF 0x0000000000000000
+
+#define QIB_7322_DCACtrlA_OFFS 0x580
+#define QIB_7322_DCACtrlA_DEF 0x0000000000000000
+#define QIB_7322_DCACtrlA_SendDMAHead1DCAEnable_LSB 0x4
+#define QIB_7322_DCACtrlA_SendDMAHead1DCAEnable_MSB 0x4
+#define QIB_7322_DCACtrlA_SendDMAHead1DCAEnable_RMASK 0x1
+#define QIB_7322_DCACtrlA_SendDMAHead0DCAEnable_LSB 0x3
+#define QIB_7322_DCACtrlA_SendDMAHead0DCAEnable_MSB 0x3
+#define QIB_7322_DCACtrlA_SendDMAHead0DCAEnable_RMASK 0x1
+#define QIB_7322_DCACtrlA_RcvTailUpdDCAEnable_LSB 0x2
+#define QIB_7322_DCACtrlA_RcvTailUpdDCAEnable_MSB 0x2
+#define QIB_7322_DCACtrlA_RcvTailUpdDCAEnable_RMASK 0x1
+#define QIB_7322_DCACtrlA_EagerDCAEnable_LSB 0x1
+#define QIB_7322_DCACtrlA_EagerDCAEnable_MSB 0x1
+#define QIB_7322_DCACtrlA_EagerDCAEnable_RMASK 0x1
+#define QIB_7322_DCACtrlA_RcvHdrqDCAEnable_LSB 0x0
+#define QIB_7322_DCACtrlA_RcvHdrqDCAEnable_MSB 0x0
+#define QIB_7322_DCACtrlA_RcvHdrqDCAEnable_RMASK 0x1
+
+#define QIB_7322_DCACtrlB_OFFS 0x588
+#define QIB_7322_DCACtrlB_DEF 0x0000000000000000
+#define QIB_7322_DCACtrlB_RcvHdrq3DCAXfrCnt_LSB 0x36
+#define QIB_7322_DCACtrlB_RcvHdrq3DCAXfrCnt_MSB 0x3B
+#define QIB_7322_DCACtrlB_RcvHdrq3DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlB_RcvHdrq3DCAOPH_LSB 0x2E
+#define QIB_7322_DCACtrlB_RcvHdrq3DCAOPH_MSB 0x35
+#define QIB_7322_DCACtrlB_RcvHdrq3DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlB_RcvHdrq2DCAXfrCnt_LSB 0x28
+#define QIB_7322_DCACtrlB_RcvHdrq2DCAXfrCnt_MSB 0x2D
+#define QIB_7322_DCACtrlB_RcvHdrq2DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlB_RcvHdrq2DCAOPH_LSB 0x20
+#define QIB_7322_DCACtrlB_RcvHdrq2DCAOPH_MSB 0x27
+#define QIB_7322_DCACtrlB_RcvHdrq2DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlB_RcvHdrq1DCAXfrCnt_LSB 0x16
+#define QIB_7322_DCACtrlB_RcvHdrq1DCAXfrCnt_MSB 0x1B
+#define QIB_7322_DCACtrlB_RcvHdrq1DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlB_RcvHdrq1DCAOPH_LSB 0xE
+#define QIB_7322_DCACtrlB_RcvHdrq1DCAOPH_MSB 0x15
+#define QIB_7322_DCACtrlB_RcvHdrq1DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlB_RcvHdrq0DCAXfrCnt_LSB 0x8
+#define QIB_7322_DCACtrlB_RcvHdrq0DCAXfrCnt_MSB 0xD
+#define QIB_7322_DCACtrlB_RcvHdrq0DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlB_RcvHdrq0DCAOPH_LSB 0x0
+#define QIB_7322_DCACtrlB_RcvHdrq0DCAOPH_MSB 0x7
+#define QIB_7322_DCACtrlB_RcvHdrq0DCAOPH_RMASK 0xFF
+
+#define QIB_7322_DCACtrlC_OFFS 0x590
+#define QIB_7322_DCACtrlC_DEF 0x0000000000000000
+#define QIB_7322_DCACtrlC_RcvHdrq7DCAXfrCnt_LSB 0x36
+#define QIB_7322_DCACtrlC_RcvHdrq7DCAXfrCnt_MSB 0x3B
+#define QIB_7322_DCACtrlC_RcvHdrq7DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlC_RcvHdrq7DCAOPH_LSB 0x2E
+#define QIB_7322_DCACtrlC_RcvHdrq7DCAOPH_MSB 0x35
+#define QIB_7322_DCACtrlC_RcvHdrq7DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlC_RcvHdrq6DCAXfrCnt_LSB 0x28
+#define QIB_7322_DCACtrlC_RcvHdrq6DCAXfrCnt_MSB 0x2D
+#define QIB_7322_DCACtrlC_RcvHdrq6DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlC_RcvHdrq6DCAOPH_LSB 0x20
+#define QIB_7322_DCACtrlC_RcvHdrq6DCAOPH_MSB 0x27
+#define QIB_7322_DCACtrlC_RcvHdrq6DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlC_RcvHdrq5DCAXfrCnt_LSB 0x16
+#define QIB_7322_DCACtrlC_RcvHdrq5DCAXfrCnt_MSB 0x1B
+#define QIB_7322_DCACtrlC_RcvHdrq5DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlC_RcvHdrq5DCAOPH_LSB 0xE
+#define QIB_7322_DCACtrlC_RcvHdrq5DCAOPH_MSB 0x15
+#define QIB_7322_DCACtrlC_RcvHdrq5DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlC_RcvHdrq4DCAXfrCnt_LSB 0x8
+#define QIB_7322_DCACtrlC_RcvHdrq4DCAXfrCnt_MSB 0xD
+#define QIB_7322_DCACtrlC_RcvHdrq4DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlC_RcvHdrq4DCAOPH_LSB 0x0
+#define QIB_7322_DCACtrlC_RcvHdrq4DCAOPH_MSB 0x7
+#define QIB_7322_DCACtrlC_RcvHdrq4DCAOPH_RMASK 0xFF
+
+#define QIB_7322_DCACtrlD_OFFS 0x598
+#define QIB_7322_DCACtrlD_DEF 0x0000000000000000
+#define QIB_7322_DCACtrlD_RcvHdrq11DCAXfrCnt_LSB 0x36
+#define QIB_7322_DCACtrlD_RcvHdrq11DCAXfrCnt_MSB 0x3B
+#define QIB_7322_DCACtrlD_RcvHdrq11DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlD_RcvHdrq11DCAOPH_LSB 0x2E
+#define QIB_7322_DCACtrlD_RcvHdrq11DCAOPH_MSB 0x35
+#define QIB_7322_DCACtrlD_RcvHdrq11DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlD_RcvHdrq10DCAXfrCnt_LSB 0x28
+#define QIB_7322_DCACtrlD_RcvHdrq10DCAXfrCnt_MSB 0x2D
+#define QIB_7322_DCACtrlD_RcvHdrq10DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlD_RcvHdrq10DCAOPH_LSB 0x20
+#define QIB_7322_DCACtrlD_RcvHdrq10DCAOPH_MSB 0x27
+#define QIB_7322_DCACtrlD_RcvHdrq10DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlD_RcvHdrq9DCAXfrCnt_LSB 0x16
+#define QIB_7322_DCACtrlD_RcvHdrq9DCAXfrCnt_MSB 0x1B
+#define QIB_7322_DCACtrlD_RcvHdrq9DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlD_RcvHdrq9DCAOPH_LSB 0xE
+#define QIB_7322_DCACtrlD_RcvHdrq9DCAOPH_MSB 0x15
+#define QIB_7322_DCACtrlD_RcvHdrq9DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlD_RcvHdrq8DCAXfrCnt_LSB 0x8
+#define QIB_7322_DCACtrlD_RcvHdrq8DCAXfrCnt_MSB 0xD
+#define QIB_7322_DCACtrlD_RcvHdrq8DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlD_RcvHdrq8DCAOPH_LSB 0x0
+#define QIB_7322_DCACtrlD_RcvHdrq8DCAOPH_MSB 0x7
+#define QIB_7322_DCACtrlD_RcvHdrq8DCAOPH_RMASK 0xFF
+
+#define QIB_7322_DCACtrlE_OFFS 0x5A0
+#define QIB_7322_DCACtrlE_DEF 0x0000000000000000
+#define QIB_7322_DCACtrlE_RcvHdrq15DCAXfrCnt_LSB 0x36
+#define QIB_7322_DCACtrlE_RcvHdrq15DCAXfrCnt_MSB 0x3B
+#define QIB_7322_DCACtrlE_RcvHdrq15DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlE_RcvHdrq15DCAOPH_LSB 0x2E
+#define QIB_7322_DCACtrlE_RcvHdrq15DCAOPH_MSB 0x35
+#define QIB_7322_DCACtrlE_RcvHdrq15DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlE_RcvHdrq14DCAXfrCnt_LSB 0x28
+#define QIB_7322_DCACtrlE_RcvHdrq14DCAXfrCnt_MSB 0x2D
+#define QIB_7322_DCACtrlE_RcvHdrq14DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlE_RcvHdrq14DCAOPH_LSB 0x20
+#define QIB_7322_DCACtrlE_RcvHdrq14DCAOPH_MSB 0x27
+#define QIB_7322_DCACtrlE_RcvHdrq14DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlE_RcvHdrq13DCAXfrCnt_LSB 0x16
+#define QIB_7322_DCACtrlE_RcvHdrq13DCAXfrCnt_MSB 0x1B
+#define QIB_7322_DCACtrlE_RcvHdrq13DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlE_RcvHdrq13DCAOPH_LSB 0xE
+#define QIB_7322_DCACtrlE_RcvHdrq13DCAOPH_MSB 0x15
+#define QIB_7322_DCACtrlE_RcvHdrq13DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlE_RcvHdrq12DCAXfrCnt_LSB 0x8
+#define QIB_7322_DCACtrlE_RcvHdrq12DCAXfrCnt_MSB 0xD
+#define QIB_7322_DCACtrlE_RcvHdrq12DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlE_RcvHdrq12DCAOPH_LSB 0x0
+#define QIB_7322_DCACtrlE_RcvHdrq12DCAOPH_MSB 0x7
+#define QIB_7322_DCACtrlE_RcvHdrq12DCAOPH_RMASK 0xFF
+
+#define QIB_7322_DCACtrlF_OFFS 0x5A8
+#define QIB_7322_DCACtrlF_DEF 0x0000000000000000
+#define QIB_7322_DCACtrlF_SendDma1DCAOPH_LSB 0x28
+#define QIB_7322_DCACtrlF_SendDma1DCAOPH_MSB 0x2F
+#define QIB_7322_DCACtrlF_SendDma1DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlF_SendDma0DCAOPH_LSB 0x20
+#define QIB_7322_DCACtrlF_SendDma0DCAOPH_MSB 0x27
+#define QIB_7322_DCACtrlF_SendDma0DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlF_RcvHdrq17DCAXfrCnt_LSB 0x16
+#define QIB_7322_DCACtrlF_RcvHdrq17DCAXfrCnt_MSB 0x1B
+#define QIB_7322_DCACtrlF_RcvHdrq17DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlF_RcvHdrq17DCAOPH_LSB 0xE
+#define QIB_7322_DCACtrlF_RcvHdrq17DCAOPH_MSB 0x15
+#define QIB_7322_DCACtrlF_RcvHdrq17DCAOPH_RMASK 0xFF
+#define QIB_7322_DCACtrlF_RcvHdrq16DCAXfrCnt_LSB 0x8
+#define QIB_7322_DCACtrlF_RcvHdrq16DCAXfrCnt_MSB 0xD
+#define QIB_7322_DCACtrlF_RcvHdrq16DCAXfrCnt_RMASK 0x3F
+#define QIB_7322_DCACtrlF_RcvHdrq16DCAOPH_LSB 0x0
+#define QIB_7322_DCACtrlF_RcvHdrq16DCAOPH_MSB 0x7
+#define QIB_7322_DCACtrlF_RcvHdrq16DCAOPH_RMASK 0xFF
+
+#define QIB_7322_RcvAvailTimeOut0_OFFS 0xC00
+#define QIB_7322_RcvAvailTimeOut0_DEF 0x0000000000000000
+#define QIB_7322_RcvAvailTimeOut0_RcvAvailTOCount_LSB 0x10
+#define QIB_7322_RcvAvailTimeOut0_RcvAvailTOCount_MSB 0x1F
+#define QIB_7322_RcvAvailTimeOut0_RcvAvailTOCount_RMASK 0xFFFF
+#define QIB_7322_RcvAvailTimeOut0_RcvAvailTOReload_LSB 0x0
+#define QIB_7322_RcvAvailTimeOut0_RcvAvailTOReload_MSB 0xF
+#define QIB_7322_RcvAvailTimeOut0_RcvAvailTOReload_RMASK 0xFFFF
+
+#define QIB_7322_CntrRegBase_0_OFFS 0x1028
+#define QIB_7322_CntrRegBase_0_DEF 0x0000000000012000
+
+#define QIB_7322_ErrMask_0_OFFS 0x1080
+#define QIB_7322_ErrMask_0_DEF 0x0000000000000000
+#define QIB_7322_ErrMask_0_IBStatusChangedMask_LSB 0x3A
+#define QIB_7322_ErrMask_0_IBStatusChangedMask_MSB 0x3A
+#define QIB_7322_ErrMask_0_IBStatusChangedMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SHeadersErrMask_LSB 0x39
+#define QIB_7322_ErrMask_0_SHeadersErrMask_MSB 0x39
+#define QIB_7322_ErrMask_0_SHeadersErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_VL15BufMisuseErrMask_LSB 0x36
+#define QIB_7322_ErrMask_0_VL15BufMisuseErrMask_MSB 0x36
+#define QIB_7322_ErrMask_0_VL15BufMisuseErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaHaltErrMask_LSB 0x31
+#define QIB_7322_ErrMask_0_SDmaHaltErrMask_MSB 0x31
+#define QIB_7322_ErrMask_0_SDmaHaltErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaDescAddrMisalignErrMask_LSB 0x30
+#define QIB_7322_ErrMask_0_SDmaDescAddrMisalignErrMask_MSB 0x30
+#define QIB_7322_ErrMask_0_SDmaDescAddrMisalignErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaUnexpDataErrMask_LSB 0x2F
+#define QIB_7322_ErrMask_0_SDmaUnexpDataErrMask_MSB 0x2F
+#define QIB_7322_ErrMask_0_SDmaUnexpDataErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaMissingDwErrMask_LSB 0x2E
+#define QIB_7322_ErrMask_0_SDmaMissingDwErrMask_MSB 0x2E
+#define QIB_7322_ErrMask_0_SDmaMissingDwErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaDwEnErrMask_LSB 0x2D
+#define QIB_7322_ErrMask_0_SDmaDwEnErrMask_MSB 0x2D
+#define QIB_7322_ErrMask_0_SDmaDwEnErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaRpyTagErrMask_LSB 0x2C
+#define QIB_7322_ErrMask_0_SDmaRpyTagErrMask_MSB 0x2C
+#define QIB_7322_ErrMask_0_SDmaRpyTagErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDma1stDescErrMask_LSB 0x2B
+#define QIB_7322_ErrMask_0_SDma1stDescErrMask_MSB 0x2B
+#define QIB_7322_ErrMask_0_SDma1stDescErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaBaseErrMask_LSB 0x2A
+#define QIB_7322_ErrMask_0_SDmaBaseErrMask_MSB 0x2A
+#define QIB_7322_ErrMask_0_SDmaBaseErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaTailOutOfBoundErrMask_LSB 0x29
+#define QIB_7322_ErrMask_0_SDmaTailOutOfBoundErrMask_MSB 0x29
+#define QIB_7322_ErrMask_0_SDmaTailOutOfBoundErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaOutOfBoundErrMask_LSB 0x28
+#define QIB_7322_ErrMask_0_SDmaOutOfBoundErrMask_MSB 0x28
+#define QIB_7322_ErrMask_0_SDmaOutOfBoundErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SDmaGenMismatchErrMask_LSB 0x27
+#define QIB_7322_ErrMask_0_SDmaGenMismatchErrMask_MSB 0x27
+#define QIB_7322_ErrMask_0_SDmaGenMismatchErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendBufMisuseErrMask_LSB 0x26
+#define QIB_7322_ErrMask_0_SendBufMisuseErrMask_MSB 0x26
+#define QIB_7322_ErrMask_0_SendBufMisuseErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendUnsupportedVLErrMask_LSB 0x25
+#define QIB_7322_ErrMask_0_SendUnsupportedVLErrMask_MSB 0x25
+#define QIB_7322_ErrMask_0_SendUnsupportedVLErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendUnexpectedPktNumErrMask_LSB 0x24
+#define QIB_7322_ErrMask_0_SendUnexpectedPktNumErrMask_MSB 0x24
+#define QIB_7322_ErrMask_0_SendUnexpectedPktNumErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendDroppedDataPktErrMask_LSB 0x22
+#define QIB_7322_ErrMask_0_SendDroppedDataPktErrMask_MSB 0x22
+#define QIB_7322_ErrMask_0_SendDroppedDataPktErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendDroppedSmpPktErrMask_LSB 0x21
+#define QIB_7322_ErrMask_0_SendDroppedSmpPktErrMask_MSB 0x21
+#define QIB_7322_ErrMask_0_SendDroppedSmpPktErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendPktLenErrMask_LSB 0x20
+#define QIB_7322_ErrMask_0_SendPktLenErrMask_MSB 0x20
+#define QIB_7322_ErrMask_0_SendPktLenErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendUnderRunErrMask_LSB 0x1F
+#define QIB_7322_ErrMask_0_SendUnderRunErrMask_MSB 0x1F
+#define QIB_7322_ErrMask_0_SendUnderRunErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendMaxPktLenErrMask_LSB 0x1E
+#define QIB_7322_ErrMask_0_SendMaxPktLenErrMask_MSB 0x1E
+#define QIB_7322_ErrMask_0_SendMaxPktLenErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_SendMinPktLenErrMask_LSB 0x1D
+#define QIB_7322_ErrMask_0_SendMinPktLenErrMask_MSB 0x1D
+#define QIB_7322_ErrMask_0_SendMinPktLenErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvIBLostLinkErrMask_LSB 0x11
+#define QIB_7322_ErrMask_0_RcvIBLostLinkErrMask_MSB 0x11
+#define QIB_7322_ErrMask_0_RcvIBLostLinkErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvHdrErrMask_LSB 0x10
+#define QIB_7322_ErrMask_0_RcvHdrErrMask_MSB 0x10
+#define QIB_7322_ErrMask_0_RcvHdrErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvHdrLenErrMask_LSB 0xF
+#define QIB_7322_ErrMask_0_RcvHdrLenErrMask_MSB 0xF
+#define QIB_7322_ErrMask_0_RcvHdrLenErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvBadTidErrMask_LSB 0xE
+#define QIB_7322_ErrMask_0_RcvBadTidErrMask_MSB 0xE
+#define QIB_7322_ErrMask_0_RcvBadTidErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvBadVersionErrMask_LSB 0xB
+#define QIB_7322_ErrMask_0_RcvBadVersionErrMask_MSB 0xB
+#define QIB_7322_ErrMask_0_RcvBadVersionErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvIBFlowErrMask_LSB 0xA
+#define QIB_7322_ErrMask_0_RcvIBFlowErrMask_MSB 0xA
+#define QIB_7322_ErrMask_0_RcvIBFlowErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvEBPErrMask_LSB 0x9
+#define QIB_7322_ErrMask_0_RcvEBPErrMask_MSB 0x9
+#define QIB_7322_ErrMask_0_RcvEBPErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvUnsupportedVLErrMask_LSB 0x8
+#define QIB_7322_ErrMask_0_RcvUnsupportedVLErrMask_MSB 0x8
+#define QIB_7322_ErrMask_0_RcvUnsupportedVLErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvUnexpectedCharErrMask_LSB 0x7
+#define QIB_7322_ErrMask_0_RcvUnexpectedCharErrMask_MSB 0x7
+#define QIB_7322_ErrMask_0_RcvUnexpectedCharErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvShortPktLenErrMask_LSB 0x6
+#define QIB_7322_ErrMask_0_RcvShortPktLenErrMask_MSB 0x6
+#define QIB_7322_ErrMask_0_RcvShortPktLenErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvLongPktLenErrMask_LSB 0x5
+#define QIB_7322_ErrMask_0_RcvLongPktLenErrMask_MSB 0x5
+#define QIB_7322_ErrMask_0_RcvLongPktLenErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvMaxPktLenErrMask_LSB 0x4
+#define QIB_7322_ErrMask_0_RcvMaxPktLenErrMask_MSB 0x4
+#define QIB_7322_ErrMask_0_RcvMaxPktLenErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvMinPktLenErrMask_LSB 0x3
+#define QIB_7322_ErrMask_0_RcvMinPktLenErrMask_MSB 0x3
+#define QIB_7322_ErrMask_0_RcvMinPktLenErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvICRCErrMask_LSB 0x2
+#define QIB_7322_ErrMask_0_RcvICRCErrMask_MSB 0x2
+#define QIB_7322_ErrMask_0_RcvICRCErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvVCRCErrMask_LSB 0x1
+#define QIB_7322_ErrMask_0_RcvVCRCErrMask_MSB 0x1
+#define QIB_7322_ErrMask_0_RcvVCRCErrMask_RMASK 0x1
+#define QIB_7322_ErrMask_0_RcvFormatErrMask_LSB 0x0
+#define QIB_7322_ErrMask_0_RcvFormatErrMask_MSB 0x0
+#define QIB_7322_ErrMask_0_RcvFormatErrMask_RMASK 0x1
+
+#define QIB_7322_ErrStatus_0_OFFS 0x1088
+#define QIB_7322_ErrStatus_0_DEF 0x0000000000000000
+#define QIB_7322_ErrStatus_0_IBStatusChanged_LSB 0x3A
+#define QIB_7322_ErrStatus_0_IBStatusChanged_MSB 0x3A
+#define QIB_7322_ErrStatus_0_IBStatusChanged_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SHeadersErr_LSB 0x39
+#define QIB_7322_ErrStatus_0_SHeadersErr_MSB 0x39
+#define QIB_7322_ErrStatus_0_SHeadersErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_VL15BufMisuseErr_LSB 0x36
+#define QIB_7322_ErrStatus_0_VL15BufMisuseErr_MSB 0x36
+#define QIB_7322_ErrStatus_0_VL15BufMisuseErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaHaltErr_LSB 0x31
+#define QIB_7322_ErrStatus_0_SDmaHaltErr_MSB 0x31
+#define QIB_7322_ErrStatus_0_SDmaHaltErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaDescAddrMisalignErr_LSB 0x30
+#define QIB_7322_ErrStatus_0_SDmaDescAddrMisalignErr_MSB 0x30
+#define QIB_7322_ErrStatus_0_SDmaDescAddrMisalignErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaUnexpDataErr_LSB 0x2F
+#define QIB_7322_ErrStatus_0_SDmaUnexpDataErr_MSB 0x2F
+#define QIB_7322_ErrStatus_0_SDmaUnexpDataErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaMissingDwErr_LSB 0x2E
+#define QIB_7322_ErrStatus_0_SDmaMissingDwErr_MSB 0x2E
+#define QIB_7322_ErrStatus_0_SDmaMissingDwErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaDwEnErr_LSB 0x2D
+#define QIB_7322_ErrStatus_0_SDmaDwEnErr_MSB 0x2D
+#define QIB_7322_ErrStatus_0_SDmaDwEnErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaRpyTagErr_LSB 0x2C
+#define QIB_7322_ErrStatus_0_SDmaRpyTagErr_MSB 0x2C
+#define QIB_7322_ErrStatus_0_SDmaRpyTagErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDma1stDescErr_LSB 0x2B
+#define QIB_7322_ErrStatus_0_SDma1stDescErr_MSB 0x2B
+#define QIB_7322_ErrStatus_0_SDma1stDescErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaBaseErr_LSB 0x2A
+#define QIB_7322_ErrStatus_0_SDmaBaseErr_MSB 0x2A
+#define QIB_7322_ErrStatus_0_SDmaBaseErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaTailOutOfBoundErr_LSB 0x29
+#define QIB_7322_ErrStatus_0_SDmaTailOutOfBoundErr_MSB 0x29
+#define QIB_7322_ErrStatus_0_SDmaTailOutOfBoundErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaOutOfBoundErr_LSB 0x28
+#define QIB_7322_ErrStatus_0_SDmaOutOfBoundErr_MSB 0x28
+#define QIB_7322_ErrStatus_0_SDmaOutOfBoundErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SDmaGenMismatchErr_LSB 0x27
+#define QIB_7322_ErrStatus_0_SDmaGenMismatchErr_MSB 0x27
+#define QIB_7322_ErrStatus_0_SDmaGenMismatchErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendBufMisuseErr_LSB 0x26
+#define QIB_7322_ErrStatus_0_SendBufMisuseErr_MSB 0x26
+#define QIB_7322_ErrStatus_0_SendBufMisuseErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendUnsupportedVLErr_LSB 0x25
+#define QIB_7322_ErrStatus_0_SendUnsupportedVLErr_MSB 0x25
+#define QIB_7322_ErrStatus_0_SendUnsupportedVLErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendUnexpectedPktNumErr_LSB 0x24
+#define QIB_7322_ErrStatus_0_SendUnexpectedPktNumErr_MSB 0x24
+#define QIB_7322_ErrStatus_0_SendUnexpectedPktNumErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendDroppedDataPktErr_LSB 0x22
+#define QIB_7322_ErrStatus_0_SendDroppedDataPktErr_MSB 0x22
+#define QIB_7322_ErrStatus_0_SendDroppedDataPktErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendDroppedSmpPktErr_LSB 0x21
+#define QIB_7322_ErrStatus_0_SendDroppedSmpPktErr_MSB 0x21
+#define QIB_7322_ErrStatus_0_SendDroppedSmpPktErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendPktLenErr_LSB 0x20
+#define QIB_7322_ErrStatus_0_SendPktLenErr_MSB 0x20
+#define QIB_7322_ErrStatus_0_SendPktLenErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendUnderRunErr_LSB 0x1F
+#define QIB_7322_ErrStatus_0_SendUnderRunErr_MSB 0x1F
+#define QIB_7322_ErrStatus_0_SendUnderRunErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendMaxPktLenErr_LSB 0x1E
+#define QIB_7322_ErrStatus_0_SendMaxPktLenErr_MSB 0x1E
+#define QIB_7322_ErrStatus_0_SendMaxPktLenErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_SendMinPktLenErr_LSB 0x1D
+#define QIB_7322_ErrStatus_0_SendMinPktLenErr_MSB 0x1D
+#define QIB_7322_ErrStatus_0_SendMinPktLenErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvIBLostLinkErr_LSB 0x11
+#define QIB_7322_ErrStatus_0_RcvIBLostLinkErr_MSB 0x11
+#define QIB_7322_ErrStatus_0_RcvIBLostLinkErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvHdrErr_LSB 0x10
+#define QIB_7322_ErrStatus_0_RcvHdrErr_MSB 0x10
+#define QIB_7322_ErrStatus_0_RcvHdrErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvHdrLenErr_LSB 0xF
+#define QIB_7322_ErrStatus_0_RcvHdrLenErr_MSB 0xF
+#define QIB_7322_ErrStatus_0_RcvHdrLenErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvBadTidErr_LSB 0xE
+#define QIB_7322_ErrStatus_0_RcvBadTidErr_MSB 0xE
+#define QIB_7322_ErrStatus_0_RcvBadTidErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvBadVersionErr_LSB 0xB
+#define QIB_7322_ErrStatus_0_RcvBadVersionErr_MSB 0xB
+#define QIB_7322_ErrStatus_0_RcvBadVersionErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvIBFlowErr_LSB 0xA
+#define QIB_7322_ErrStatus_0_RcvIBFlowErr_MSB 0xA
+#define QIB_7322_ErrStatus_0_RcvIBFlowErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvEBPErr_LSB 0x9
+#define QIB_7322_ErrStatus_0_RcvEBPErr_MSB 0x9
+#define QIB_7322_ErrStatus_0_RcvEBPErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvUnsupportedVLErr_LSB 0x8
+#define QIB_7322_ErrStatus_0_RcvUnsupportedVLErr_MSB 0x8
+#define QIB_7322_ErrStatus_0_RcvUnsupportedVLErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvUnexpectedCharErr_LSB 0x7
+#define QIB_7322_ErrStatus_0_RcvUnexpectedCharErr_MSB 0x7
+#define QIB_7322_ErrStatus_0_RcvUnexpectedCharErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvShortPktLenErr_LSB 0x6
+#define QIB_7322_ErrStatus_0_RcvShortPktLenErr_MSB 0x6
+#define QIB_7322_ErrStatus_0_RcvShortPktLenErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvLongPktLenErr_LSB 0x5
+#define QIB_7322_ErrStatus_0_RcvLongPktLenErr_MSB 0x5
+#define QIB_7322_ErrStatus_0_RcvLongPktLenErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvMaxPktLenErr_LSB 0x4
+#define QIB_7322_ErrStatus_0_RcvMaxPktLenErr_MSB 0x4
+#define QIB_7322_ErrStatus_0_RcvMaxPktLenErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvMinPktLenErr_LSB 0x3
+#define QIB_7322_ErrStatus_0_RcvMinPktLenErr_MSB 0x3
+#define QIB_7322_ErrStatus_0_RcvMinPktLenErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvICRCErr_LSB 0x2
+#define QIB_7322_ErrStatus_0_RcvICRCErr_MSB 0x2
+#define QIB_7322_ErrStatus_0_RcvICRCErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvVCRCErr_LSB 0x1
+#define QIB_7322_ErrStatus_0_RcvVCRCErr_MSB 0x1
+#define QIB_7322_ErrStatus_0_RcvVCRCErr_RMASK 0x1
+#define QIB_7322_ErrStatus_0_RcvFormatErr_LSB 0x0
+#define QIB_7322_ErrStatus_0_RcvFormatErr_MSB 0x0
+#define QIB_7322_ErrStatus_0_RcvFormatErr_RMASK 0x1
+
+#define QIB_7322_ErrClear_0_OFFS 0x1090
+#define QIB_7322_ErrClear_0_DEF 0x0000000000000000
+#define QIB_7322_ErrClear_0_IBStatusChangedClear_LSB 0x3A
+#define QIB_7322_ErrClear_0_IBStatusChangedClear_MSB 0x3A
+#define QIB_7322_ErrClear_0_IBStatusChangedClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SHeadersErrClear_LSB 0x39
+#define QIB_7322_ErrClear_0_SHeadersErrClear_MSB 0x39
+#define QIB_7322_ErrClear_0_SHeadersErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_VL15BufMisuseErrClear_LSB 0x36
+#define QIB_7322_ErrClear_0_VL15BufMisuseErrClear_MSB 0x36
+#define QIB_7322_ErrClear_0_VL15BufMisuseErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaHaltErrClear_LSB 0x31
+#define QIB_7322_ErrClear_0_SDmaHaltErrClear_MSB 0x31
+#define QIB_7322_ErrClear_0_SDmaHaltErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaDescAddrMisalignErrClear_LSB 0x30
+#define QIB_7322_ErrClear_0_SDmaDescAddrMisalignErrClear_MSB 0x30
+#define QIB_7322_ErrClear_0_SDmaDescAddrMisalignErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaUnexpDataErrClear_LSB 0x2F
+#define QIB_7322_ErrClear_0_SDmaUnexpDataErrClear_MSB 0x2F
+#define QIB_7322_ErrClear_0_SDmaUnexpDataErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaMissingDwErrClear_LSB 0x2E
+#define QIB_7322_ErrClear_0_SDmaMissingDwErrClear_MSB 0x2E
+#define QIB_7322_ErrClear_0_SDmaMissingDwErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaDwEnErrClear_LSB 0x2D
+#define QIB_7322_ErrClear_0_SDmaDwEnErrClear_MSB 0x2D
+#define QIB_7322_ErrClear_0_SDmaDwEnErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaRpyTagErrClear_LSB 0x2C
+#define QIB_7322_ErrClear_0_SDmaRpyTagErrClear_MSB 0x2C
+#define QIB_7322_ErrClear_0_SDmaRpyTagErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDma1stDescErrClear_LSB 0x2B
+#define QIB_7322_ErrClear_0_SDma1stDescErrClear_MSB 0x2B
+#define QIB_7322_ErrClear_0_SDma1stDescErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaBaseErrClear_LSB 0x2A
+#define QIB_7322_ErrClear_0_SDmaBaseErrClear_MSB 0x2A
+#define QIB_7322_ErrClear_0_SDmaBaseErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaTailOutOfBoundErrClear_LSB 0x29
+#define QIB_7322_ErrClear_0_SDmaTailOutOfBoundErrClear_MSB 0x29
+#define QIB_7322_ErrClear_0_SDmaTailOutOfBoundErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaOutOfBoundErrClear_LSB 0x28
+#define QIB_7322_ErrClear_0_SDmaOutOfBoundErrClear_MSB 0x28
+#define QIB_7322_ErrClear_0_SDmaOutOfBoundErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SDmaGenMismatchErrClear_LSB 0x27
+#define QIB_7322_ErrClear_0_SDmaGenMismatchErrClear_MSB 0x27
+#define QIB_7322_ErrClear_0_SDmaGenMismatchErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendBufMisuseErrClear_LSB 0x26
+#define QIB_7322_ErrClear_0_SendBufMisuseErrClear_MSB 0x26
+#define QIB_7322_ErrClear_0_SendBufMisuseErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendUnsupportedVLErrClear_LSB 0x25
+#define QIB_7322_ErrClear_0_SendUnsupportedVLErrClear_MSB 0x25
+#define QIB_7322_ErrClear_0_SendUnsupportedVLErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendUnexpectedPktNumErrClear_LSB 0x24
+#define QIB_7322_ErrClear_0_SendUnexpectedPktNumErrClear_MSB 0x24
+#define QIB_7322_ErrClear_0_SendUnexpectedPktNumErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendDroppedDataPktErrClear_LSB 0x22
+#define QIB_7322_ErrClear_0_SendDroppedDataPktErrClear_MSB 0x22
+#define QIB_7322_ErrClear_0_SendDroppedDataPktErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendDroppedSmpPktErrClear_LSB 0x21
+#define QIB_7322_ErrClear_0_SendDroppedSmpPktErrClear_MSB 0x21
+#define QIB_7322_ErrClear_0_SendDroppedSmpPktErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendPktLenErrClear_LSB 0x20
+#define QIB_7322_ErrClear_0_SendPktLenErrClear_MSB 0x20
+#define QIB_7322_ErrClear_0_SendPktLenErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendUnderRunErrClear_LSB 0x1F
+#define QIB_7322_ErrClear_0_SendUnderRunErrClear_MSB 0x1F
+#define QIB_7322_ErrClear_0_SendUnderRunErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendMaxPktLenErrClear_LSB 0x1E
+#define QIB_7322_ErrClear_0_SendMaxPktLenErrClear_MSB 0x1E
+#define QIB_7322_ErrClear_0_SendMaxPktLenErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_SendMinPktLenErrClear_LSB 0x1D
+#define QIB_7322_ErrClear_0_SendMinPktLenErrClear_MSB 0x1D
+#define QIB_7322_ErrClear_0_SendMinPktLenErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvIBLostLinkErrClear_LSB 0x11
+#define QIB_7322_ErrClear_0_RcvIBLostLinkErrClear_MSB 0x11
+#define QIB_7322_ErrClear_0_RcvIBLostLinkErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvHdrErrClear_LSB 0x10
+#define QIB_7322_ErrClear_0_RcvHdrErrClear_MSB 0x10
+#define QIB_7322_ErrClear_0_RcvHdrErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvHdrLenErrClear_LSB 0xF
+#define QIB_7322_ErrClear_0_RcvHdrLenErrClear_MSB 0xF
+#define QIB_7322_ErrClear_0_RcvHdrLenErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvBadTidErrClear_LSB 0xE
+#define QIB_7322_ErrClear_0_RcvBadTidErrClear_MSB 0xE
+#define QIB_7322_ErrClear_0_RcvBadTidErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvBadVersionErrClear_LSB 0xB
+#define QIB_7322_ErrClear_0_RcvBadVersionErrClear_MSB 0xB
+#define QIB_7322_ErrClear_0_RcvBadVersionErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvIBFlowErrClear_LSB 0xA
+#define QIB_7322_ErrClear_0_RcvIBFlowErrClear_MSB 0xA
+#define QIB_7322_ErrClear_0_RcvIBFlowErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvEBPErrClear_LSB 0x9
+#define QIB_7322_ErrClear_0_RcvEBPErrClear_MSB 0x9
+#define QIB_7322_ErrClear_0_RcvEBPErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvUnsupportedVLErrClear_LSB 0x8
+#define QIB_7322_ErrClear_0_RcvUnsupportedVLErrClear_MSB 0x8
+#define QIB_7322_ErrClear_0_RcvUnsupportedVLErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvUnexpectedCharErrClear_LSB 0x7
+#define QIB_7322_ErrClear_0_RcvUnexpectedCharErrClear_MSB 0x7
+#define QIB_7322_ErrClear_0_RcvUnexpectedCharErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvShortPktLenErrClear_LSB 0x6
+#define QIB_7322_ErrClear_0_RcvShortPktLenErrClear_MSB 0x6
+#define QIB_7322_ErrClear_0_RcvShortPktLenErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvLongPktLenErrClear_LSB 0x5
+#define QIB_7322_ErrClear_0_RcvLongPktLenErrClear_MSB 0x5
+#define QIB_7322_ErrClear_0_RcvLongPktLenErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvMaxPktLenErrClear_LSB 0x4
+#define QIB_7322_ErrClear_0_RcvMaxPktLenErrClear_MSB 0x4
+#define QIB_7322_ErrClear_0_RcvMaxPktLenErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvMinPktLenErrClear_LSB 0x3
+#define QIB_7322_ErrClear_0_RcvMinPktLenErrClear_MSB 0x3
+#define QIB_7322_ErrClear_0_RcvMinPktLenErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvICRCErrClear_LSB 0x2
+#define QIB_7322_ErrClear_0_RcvICRCErrClear_MSB 0x2
+#define QIB_7322_ErrClear_0_RcvICRCErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvVCRCErrClear_LSB 0x1
+#define QIB_7322_ErrClear_0_RcvVCRCErrClear_MSB 0x1
+#define QIB_7322_ErrClear_0_RcvVCRCErrClear_RMASK 0x1
+#define QIB_7322_ErrClear_0_RcvFormatErrClear_LSB 0x0
+#define QIB_7322_ErrClear_0_RcvFormatErrClear_MSB 0x0
+#define QIB_7322_ErrClear_0_RcvFormatErrClear_RMASK 0x1
+
+#define QIB_7322_TXEStatus_0_OFFS 0x10B8
+#define QIB_7322_TXEStatus_0_DEF 0x0000000XC00080FF
+#define QIB_7322_TXEStatus_0_TXE_IBC_Idle_LSB 0x1F
+#define QIB_7322_TXEStatus_0_TXE_IBC_Idle_MSB 0x1F
+#define QIB_7322_TXEStatus_0_TXE_IBC_Idle_RMASK 0x1
+#define QIB_7322_TXEStatus_0_RmFifoEmpty_LSB 0x1E
+#define QIB_7322_TXEStatus_0_RmFifoEmpty_MSB 0x1E
+#define QIB_7322_TXEStatus_0_RmFifoEmpty_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL15_LSB 0xF
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL15_MSB 0xF
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL15_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL7_LSB 0x7
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL7_MSB 0x7
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL7_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL6_LSB 0x6
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL6_MSB 0x6
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL6_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL5_LSB 0x5
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL5_MSB 0x5
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL5_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL4_LSB 0x4
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL4_MSB 0x4
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL4_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL3_LSB 0x3
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL3_MSB 0x3
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL3_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL2_LSB 0x2
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL2_MSB 0x2
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL2_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL1_LSB 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL1_MSB 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL1_RMASK 0x1
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL0_LSB 0x0
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL0_MSB 0x0
+#define QIB_7322_TXEStatus_0_LaFifoEmpty_VL0_RMASK 0x1
+
+#define QIB_7322_RcvCtrl_0_OFFS 0x1100
+#define QIB_7322_RcvCtrl_0_DEF 0x0000000000000000
+#define QIB_7322_RcvCtrl_0_RcvResetCredit_LSB 0x2A
+#define QIB_7322_RcvCtrl_0_RcvResetCredit_MSB 0x2A
+#define QIB_7322_RcvCtrl_0_RcvResetCredit_RMASK 0x1
+#define QIB_7322_RcvCtrl_0_RcvPartitionKeyDisable_LSB 0x29
+#define QIB_7322_RcvCtrl_0_RcvPartitionKeyDisable_MSB 0x29
+#define QIB_7322_RcvCtrl_0_RcvPartitionKeyDisable_RMASK 0x1
+#define QIB_7322_RcvCtrl_0_RcvQPMapEnable_LSB 0x28
+#define QIB_7322_RcvCtrl_0_RcvQPMapEnable_MSB 0x28
+#define QIB_7322_RcvCtrl_0_RcvQPMapEnable_RMASK 0x1
+#define QIB_7322_RcvCtrl_0_RcvIBPortEnable_LSB 0x27
+#define QIB_7322_RcvCtrl_0_RcvIBPortEnable_MSB 0x27
+#define QIB_7322_RcvCtrl_0_RcvIBPortEnable_RMASK 0x1
+#define QIB_7322_RcvCtrl_0_ContextEnableUser_LSB 0x2
+#define QIB_7322_RcvCtrl_0_ContextEnableUser_MSB 0x11
+#define QIB_7322_RcvCtrl_0_ContextEnableUser_RMASK 0xFFFF
+#define QIB_7322_RcvCtrl_0_ContextEnableKernel_LSB 0x0
+#define QIB_7322_RcvCtrl_0_ContextEnableKernel_MSB 0x0
+#define QIB_7322_RcvCtrl_0_ContextEnableKernel_RMASK 0x1
+
+#define QIB_7322_RcvBTHQP_0_OFFS 0x1108
+#define QIB_7322_RcvBTHQP_0_DEF 0x0000000000000000
+#define QIB_7322_RcvBTHQP_0_RcvBTHQP_LSB 0x0
+#define QIB_7322_RcvBTHQP_0_RcvBTHQP_MSB 0x17
+#define QIB_7322_RcvBTHQP_0_RcvBTHQP_RMASK 0xFFFFFF
+
+#define QIB_7322_RcvQPMapTableA_0_OFFS 0x1110
+#define QIB_7322_RcvQPMapTableA_0_DEF 0x0000000000000000
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext5_LSB 0x19
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext5_MSB 0x1D
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext5_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext4_LSB 0x14
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext4_MSB 0x18
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext4_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext3_LSB 0xF
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext3_MSB 0x13
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext3_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext2_LSB 0xA
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext2_MSB 0xE
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext2_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext1_LSB 0x5
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext1_MSB 0x9
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext1_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext0_LSB 0x0
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext0_MSB 0x4
+#define QIB_7322_RcvQPMapTableA_0_RcvQPMapContext0_RMASK 0x1F
+
+#define QIB_7322_RcvQPMapTableB_0_OFFS 0x1118
+#define QIB_7322_RcvQPMapTableB_0_DEF 0x0000000000000000
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext11_LSB 0x19
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext11_MSB 0x1D
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext11_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext10_LSB 0x14
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext10_MSB 0x18
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext10_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext9_LSB 0xF
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext9_MSB 0x13
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext9_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext8_LSB 0xA
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext8_MSB 0xE
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext8_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext7_LSB 0x5
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext7_MSB 0x9
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext7_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext6_LSB 0x0
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext6_MSB 0x4
+#define QIB_7322_RcvQPMapTableB_0_RcvQPMapContext6_RMASK 0x1F
+
+#define QIB_7322_RcvQPMapTableC_0_OFFS 0x1120
+#define QIB_7322_RcvQPMapTableC_0_DEF 0x0000000000000000
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext17_LSB 0x19
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext17_MSB 0x1D
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext17_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext16_LSB 0x14
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext16_MSB 0x18
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext16_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext15_LSB 0xF
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext15_MSB 0x13
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext15_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext14_LSB 0xA
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext14_MSB 0xE
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext14_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext13_LSB 0x5
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext13_MSB 0x9
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext13_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext12_LSB 0x0
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext12_MSB 0x4
+#define QIB_7322_RcvQPMapTableC_0_RcvQPMapContext12_RMASK 0x1F
+
+#define QIB_7322_RcvQPMapTableD_0_OFFS 0x1128
+#define QIB_7322_RcvQPMapTableD_0_DEF 0x0000000000000000
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext23_LSB 0x19
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext23_MSB 0x1D
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext23_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext22_LSB 0x14
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext22_MSB 0x18
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext22_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext21_LSB 0xF
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext21_MSB 0x13
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext21_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext20_LSB 0xA
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext20_MSB 0xE
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext20_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext19_LSB 0x5
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext19_MSB 0x9
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext19_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext18_LSB 0x0
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext18_MSB 0x4
+#define QIB_7322_RcvQPMapTableD_0_RcvQPMapContext18_RMASK 0x1F
+
+#define QIB_7322_RcvQPMapTableE_0_OFFS 0x1130
+#define QIB_7322_RcvQPMapTableE_0_DEF 0x0000000000000000
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext29_LSB 0x19
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext29_MSB 0x1D
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext29_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext28_LSB 0x14
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext28_MSB 0x18
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext28_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext27_LSB 0xF
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext27_MSB 0x13
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext27_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext26_LSB 0xA
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext26_MSB 0xE
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext26_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext25_LSB 0x5
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext25_MSB 0x9
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext25_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext24_LSB 0x0
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext24_MSB 0x4
+#define QIB_7322_RcvQPMapTableE_0_RcvQPMapContext24_RMASK 0x1F
+
+#define QIB_7322_RcvQPMapTableF_0_OFFS 0x1138
+#define QIB_7322_RcvQPMapTableF_0_DEF 0x0000000000000000
+#define QIB_7322_RcvQPMapTableF_0_RcvQPMapContext31_LSB 0x5
+#define QIB_7322_RcvQPMapTableF_0_RcvQPMapContext31_MSB 0x9
+#define QIB_7322_RcvQPMapTableF_0_RcvQPMapContext31_RMASK 0x1F
+#define QIB_7322_RcvQPMapTableF_0_RcvQPMapContext30_LSB 0x0
+#define QIB_7322_RcvQPMapTableF_0_RcvQPMapContext30_MSB 0x4
+#define QIB_7322_RcvQPMapTableF_0_RcvQPMapContext30_RMASK 0x1F
+
+#define QIB_7322_PSStat_0_OFFS 0x1140
+#define QIB_7322_PSStat_0_DEF 0x0000000000000000
+
+#define QIB_7322_PSStart_0_OFFS 0x1148
+#define QIB_7322_PSStart_0_DEF 0x0000000000000000
+
+#define QIB_7322_PSInterval_0_OFFS 0x1150
+#define QIB_7322_PSInterval_0_DEF 0x0000000000000000
+
+#define QIB_7322_RcvStatus_0_OFFS 0x1160
+#define QIB_7322_RcvStatus_0_DEF 0x0000000000000000
+#define QIB_7322_RcvStatus_0_DmaeqBlockingContext_LSB 0x1
+#define QIB_7322_RcvStatus_0_DmaeqBlockingContext_MSB 0x5
+#define QIB_7322_RcvStatus_0_DmaeqBlockingContext_RMASK 0x1F
+#define QIB_7322_RcvStatus_0_RxPktInProgress_LSB 0x0
+#define QIB_7322_RcvStatus_0_RxPktInProgress_MSB 0x0
+#define QIB_7322_RcvStatus_0_RxPktInProgress_RMASK 0x1
+
+#define QIB_7322_RcvPartitionKey_0_OFFS 0x1168
+#define QIB_7322_RcvPartitionKey_0_DEF 0x0000000000000000
+
+#define QIB_7322_RcvQPMulticastContext_0_OFFS 0x1170
+#define QIB_7322_RcvQPMulticastContext_0_DEF 0x0000000000000000
+#define QIB_7322_RcvQPMulticastContext_0_RcvQpMcContext_LSB 0x0
+#define QIB_7322_RcvQPMulticastContext_0_RcvQpMcContext_MSB 0x4
+#define QIB_7322_RcvQPMulticastContext_0_RcvQpMcContext_RMASK 0x1F
+
+#define QIB_7322_RcvPktLEDCnt_0_OFFS 0x1178
+#define QIB_7322_RcvPktLEDCnt_0_DEF 0x0000000000000000
+#define QIB_7322_RcvPktLEDCnt_0_ONperiod_LSB 0x20
+#define QIB_7322_RcvPktLEDCnt_0_ONperiod_MSB 0x3F
+#define QIB_7322_RcvPktLEDCnt_0_ONperiod_RMASK 0xFFFFFFFF
+#define QIB_7322_RcvPktLEDCnt_0_OFFperiod_LSB 0x0
+#define QIB_7322_RcvPktLEDCnt_0_OFFperiod_MSB 0x1F
+#define QIB_7322_RcvPktLEDCnt_0_OFFperiod_RMASK 0xFFFFFFFF
+
+#define QIB_7322_SendDmaIdleCnt_0_OFFS 0x1180
+#define QIB_7322_SendDmaIdleCnt_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaIdleCnt_0_SendDmaIdleCnt_LSB 0x0
+#define QIB_7322_SendDmaIdleCnt_0_SendDmaIdleCnt_MSB 0xF
+#define QIB_7322_SendDmaIdleCnt_0_SendDmaIdleCnt_RMASK 0xFFFF
+
+#define QIB_7322_SendDmaReloadCnt_0_OFFS 0x1188
+#define QIB_7322_SendDmaReloadCnt_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaReloadCnt_0_SendDmaReloadCnt_LSB 0x0
+#define QIB_7322_SendDmaReloadCnt_0_SendDmaReloadCnt_MSB 0xF
+#define QIB_7322_SendDmaReloadCnt_0_SendDmaReloadCnt_RMASK 0xFFFF
+
+#define QIB_7322_SendDmaDescCnt_0_OFFS 0x1190
+#define QIB_7322_SendDmaDescCnt_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaDescCnt_0_SendDmaDescCnt_LSB 0x0
+#define QIB_7322_SendDmaDescCnt_0_SendDmaDescCnt_MSB 0xF
+#define QIB_7322_SendDmaDescCnt_0_SendDmaDescCnt_RMASK 0xFFFF
+
+#define QIB_7322_SendCtrl_0_OFFS 0x11C0
+#define QIB_7322_SendCtrl_0_DEF 0x0000000000000000
+#define QIB_7322_SendCtrl_0_IBVLArbiterEn_LSB 0xF
+#define QIB_7322_SendCtrl_0_IBVLArbiterEn_MSB 0xF
+#define QIB_7322_SendCtrl_0_IBVLArbiterEn_RMASK 0x1
+#define QIB_7322_SendCtrl_0_TxeDrainRmFifo_LSB 0xE
+#define QIB_7322_SendCtrl_0_TxeDrainRmFifo_MSB 0xE
+#define QIB_7322_SendCtrl_0_TxeDrainRmFifo_RMASK 0x1
+#define QIB_7322_SendCtrl_0_TxeDrainLaFifo_LSB 0xD
+#define QIB_7322_SendCtrl_0_TxeDrainLaFifo_MSB 0xD
+#define QIB_7322_SendCtrl_0_TxeDrainLaFifo_RMASK 0x1
+#define QIB_7322_SendCtrl_0_SDmaHalt_LSB 0xC
+#define QIB_7322_SendCtrl_0_SDmaHalt_MSB 0xC
+#define QIB_7322_SendCtrl_0_SDmaHalt_RMASK 0x1
+#define QIB_7322_SendCtrl_0_SDmaEnable_LSB 0xB
+#define QIB_7322_SendCtrl_0_SDmaEnable_MSB 0xB
+#define QIB_7322_SendCtrl_0_SDmaEnable_RMASK 0x1
+#define QIB_7322_SendCtrl_0_SDmaSingleDescriptor_LSB 0xA
+#define QIB_7322_SendCtrl_0_SDmaSingleDescriptor_MSB 0xA
+#define QIB_7322_SendCtrl_0_SDmaSingleDescriptor_RMASK 0x1
+#define QIB_7322_SendCtrl_0_SDmaIntEnable_LSB 0x9
+#define QIB_7322_SendCtrl_0_SDmaIntEnable_MSB 0x9
+#define QIB_7322_SendCtrl_0_SDmaIntEnable_RMASK 0x1
+#define QIB_7322_SendCtrl_0_SDmaCleanup_LSB 0x8
+#define QIB_7322_SendCtrl_0_SDmaCleanup_MSB 0x8
+#define QIB_7322_SendCtrl_0_SDmaCleanup_RMASK 0x1
+#define QIB_7322_SendCtrl_0_ForceCreditUpToDate_LSB 0x7
+#define QIB_7322_SendCtrl_0_ForceCreditUpToDate_MSB 0x7
+#define QIB_7322_SendCtrl_0_ForceCreditUpToDate_RMASK 0x1
+#define QIB_7322_SendCtrl_0_SendEnable_LSB 0x3
+#define QIB_7322_SendCtrl_0_SendEnable_MSB 0x3
+#define QIB_7322_SendCtrl_0_SendEnable_RMASK 0x1
+#define QIB_7322_SendCtrl_0_TxeBypassIbc_LSB 0x1
+#define QIB_7322_SendCtrl_0_TxeBypassIbc_MSB 0x1
+#define QIB_7322_SendCtrl_0_TxeBypassIbc_RMASK 0x1
+#define QIB_7322_SendCtrl_0_TxeAbortIbc_LSB 0x0
+#define QIB_7322_SendCtrl_0_TxeAbortIbc_MSB 0x0
+#define QIB_7322_SendCtrl_0_TxeAbortIbc_RMASK 0x1
+
+#define QIB_7322_SendDmaBase_0_OFFS 0x11F8
+#define QIB_7322_SendDmaBase_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaBase_0_SendDmaBase_LSB 0x0
+#define QIB_7322_SendDmaBase_0_SendDmaBase_MSB 0x2F
+#define QIB_7322_SendDmaBase_0_SendDmaBase_RMASK 0xFFFFFFFFFFFF
+
+#define QIB_7322_SendDmaLenGen_0_OFFS 0x1200
+#define QIB_7322_SendDmaLenGen_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaLenGen_0_Generation_LSB 0x10
+#define QIB_7322_SendDmaLenGen_0_Generation_MSB 0x12
+#define QIB_7322_SendDmaLenGen_0_Generation_RMASK 0x7
+#define QIB_7322_SendDmaLenGen_0_Length_LSB 0x0
+#define QIB_7322_SendDmaLenGen_0_Length_MSB 0xF
+#define QIB_7322_SendDmaLenGen_0_Length_RMASK 0xFFFF
+
+#define QIB_7322_SendDmaTail_0_OFFS 0x1208
+#define QIB_7322_SendDmaTail_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaTail_0_SendDmaTail_LSB 0x0
+#define QIB_7322_SendDmaTail_0_SendDmaTail_MSB 0xF
+#define QIB_7322_SendDmaTail_0_SendDmaTail_RMASK 0xFFFF
+
+#define QIB_7322_SendDmaHead_0_OFFS 0x1210
+#define QIB_7322_SendDmaHead_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaHead_0_InternalSendDmaHead_LSB 0x20
+#define QIB_7322_SendDmaHead_0_InternalSendDmaHead_MSB 0x2F
+#define QIB_7322_SendDmaHead_0_InternalSendDmaHead_RMASK 0xFFFF
+#define QIB_7322_SendDmaHead_0_SendDmaHead_LSB 0x0
+#define QIB_7322_SendDmaHead_0_SendDmaHead_MSB 0xF
+#define QIB_7322_SendDmaHead_0_SendDmaHead_RMASK 0xFFFF
+
+#define QIB_7322_SendDmaHeadAddr_0_OFFS 0x1218
+#define QIB_7322_SendDmaHeadAddr_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaHeadAddr_0_SendDmaHeadAddr_LSB 0x0
+#define QIB_7322_SendDmaHeadAddr_0_SendDmaHeadAddr_MSB 0x2F
+#define QIB_7322_SendDmaHeadAddr_0_SendDmaHeadAddr_RMASK 0xFFFFFFFFFFFF
+
+#define QIB_7322_SendDmaBufMask0_0_OFFS 0x1220
+#define QIB_7322_SendDmaBufMask0_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaBufMask0_0_BufMask_63_0_LSB 0x0
+#define QIB_7322_SendDmaBufMask0_0_BufMask_63_0_MSB 0x3F
+#define QIB_7322_SendDmaBufMask0_0_BufMask_63_0_RMASK 0x0
+
+#define QIB_7322_SendDmaStatus_0_OFFS 0x1238
+#define QIB_7322_SendDmaStatus_0_DEF 0x0000000042000000
+#define QIB_7322_SendDmaStatus_0_ScoreBoardDrainInProg_LSB 0x3F
+#define QIB_7322_SendDmaStatus_0_ScoreBoardDrainInProg_MSB 0x3F
+#define QIB_7322_SendDmaStatus_0_ScoreBoardDrainInProg_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_HaltInProg_LSB 0x3E
+#define QIB_7322_SendDmaStatus_0_HaltInProg_MSB 0x3E
+#define QIB_7322_SendDmaStatus_0_HaltInProg_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_InternalSDmaHalt_LSB 0x3D
+#define QIB_7322_SendDmaStatus_0_InternalSDmaHalt_MSB 0x3D
+#define QIB_7322_SendDmaStatus_0_InternalSDmaHalt_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_ScbDescIndex_13_0_LSB 0x2F
+#define QIB_7322_SendDmaStatus_0_ScbDescIndex_13_0_MSB 0x3C
+#define QIB_7322_SendDmaStatus_0_ScbDescIndex_13_0_RMASK 0x3FFF
+#define QIB_7322_SendDmaStatus_0_RpyLowAddr_6_0_LSB 0x28
+#define QIB_7322_SendDmaStatus_0_RpyLowAddr_6_0_MSB 0x2E
+#define QIB_7322_SendDmaStatus_0_RpyLowAddr_6_0_RMASK 0x7F
+#define QIB_7322_SendDmaStatus_0_RpyTag_7_0_LSB 0x20
+#define QIB_7322_SendDmaStatus_0_RpyTag_7_0_MSB 0x27
+#define QIB_7322_SendDmaStatus_0_RpyTag_7_0_RMASK 0xFF
+#define QIB_7322_SendDmaStatus_0_ScbFull_LSB 0x1F
+#define QIB_7322_SendDmaStatus_0_ScbFull_MSB 0x1F
+#define QIB_7322_SendDmaStatus_0_ScbFull_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_ScbEmpty_LSB 0x1E
+#define QIB_7322_SendDmaStatus_0_ScbEmpty_MSB 0x1E
+#define QIB_7322_SendDmaStatus_0_ScbEmpty_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_ScbEntryValid_LSB 0x1D
+#define QIB_7322_SendDmaStatus_0_ScbEntryValid_MSB 0x1D
+#define QIB_7322_SendDmaStatus_0_ScbEntryValid_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_ScbFetchDescFlag_LSB 0x1C
+#define QIB_7322_SendDmaStatus_0_ScbFetchDescFlag_MSB 0x1C
+#define QIB_7322_SendDmaStatus_0_ScbFetchDescFlag_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_SplFifoReadyToGo_LSB 0x1B
+#define QIB_7322_SendDmaStatus_0_SplFifoReadyToGo_MSB 0x1B
+#define QIB_7322_SendDmaStatus_0_SplFifoReadyToGo_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_SplFifoDisarmed_LSB 0x1A
+#define QIB_7322_SendDmaStatus_0_SplFifoDisarmed_MSB 0x1A
+#define QIB_7322_SendDmaStatus_0_SplFifoDisarmed_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_SplFifoEmpty_LSB 0x19
+#define QIB_7322_SendDmaStatus_0_SplFifoEmpty_MSB 0x19
+#define QIB_7322_SendDmaStatus_0_SplFifoEmpty_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_SplFifoFull_LSB 0x18
+#define QIB_7322_SendDmaStatus_0_SplFifoFull_MSB 0x18
+#define QIB_7322_SendDmaStatus_0_SplFifoFull_RMASK 0x1
+#define QIB_7322_SendDmaStatus_0_SplFifoBufNum_LSB 0x10
+#define QIB_7322_SendDmaStatus_0_SplFifoBufNum_MSB 0x17
+#define QIB_7322_SendDmaStatus_0_SplFifoBufNum_RMASK 0xFF
+#define QIB_7322_SendDmaStatus_0_SplFifoDescIndex_LSB 0x0
+#define QIB_7322_SendDmaStatus_0_SplFifoDescIndex_MSB 0xF
+#define QIB_7322_SendDmaStatus_0_SplFifoDescIndex_RMASK 0xFFFF
+
+#define QIB_7322_SendDmaPriorityThld_0_OFFS 0x1258
+#define QIB_7322_SendDmaPriorityThld_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaPriorityThld_0_PriorityThreshold_LSB 0x0
+#define QIB_7322_SendDmaPriorityThld_0_PriorityThreshold_MSB 0x3
+#define QIB_7322_SendDmaPriorityThld_0_PriorityThreshold_RMASK 0xF
+
+#define QIB_7322_SendHdrErrSymptom_0_OFFS 0x1260
+#define QIB_7322_SendHdrErrSymptom_0_DEF 0x0000000000000000
+#define QIB_7322_SendHdrErrSymptom_0_NonKeyPacket_LSB 0x6
+#define QIB_7322_SendHdrErrSymptom_0_NonKeyPacket_MSB 0x6
+#define QIB_7322_SendHdrErrSymptom_0_NonKeyPacket_RMASK 0x1
+#define QIB_7322_SendHdrErrSymptom_0_GRHFail_LSB 0x5
+#define QIB_7322_SendHdrErrSymptom_0_GRHFail_MSB 0x5
+#define QIB_7322_SendHdrErrSymptom_0_GRHFail_RMASK 0x1
+#define QIB_7322_SendHdrErrSymptom_0_PkeyFail_LSB 0x4
+#define QIB_7322_SendHdrErrSymptom_0_PkeyFail_MSB 0x4
+#define QIB_7322_SendHdrErrSymptom_0_PkeyFail_RMASK 0x1
+#define QIB_7322_SendHdrErrSymptom_0_QPFail_LSB 0x3
+#define QIB_7322_SendHdrErrSymptom_0_QPFail_MSB 0x3
+#define QIB_7322_SendHdrErrSymptom_0_QPFail_RMASK 0x1
+#define QIB_7322_SendHdrErrSymptom_0_SLIDFail_LSB 0x2
+#define QIB_7322_SendHdrErrSymptom_0_SLIDFail_MSB 0x2
+#define QIB_7322_SendHdrErrSymptom_0_SLIDFail_RMASK 0x1
+#define QIB_7322_SendHdrErrSymptom_0_RawIPV6_LSB 0x1
+#define QIB_7322_SendHdrErrSymptom_0_RawIPV6_MSB 0x1
+#define QIB_7322_SendHdrErrSymptom_0_RawIPV6_RMASK 0x1
+#define QIB_7322_SendHdrErrSymptom_0_PacketTooSmall_LSB 0x0
+#define QIB_7322_SendHdrErrSymptom_0_PacketTooSmall_MSB 0x0
+#define QIB_7322_SendHdrErrSymptom_0_PacketTooSmall_RMASK 0x1
+
+#define QIB_7322_RxCreditVL0_0_OFFS 0x1280
+#define QIB_7322_RxCreditVL0_0_DEF 0x0000000000000000
+#define QIB_7322_RxCreditVL0_0_RxBufrConsumedVL_LSB 0x10
+#define QIB_7322_RxCreditVL0_0_RxBufrConsumedVL_MSB 0x1B
+#define QIB_7322_RxCreditVL0_0_RxBufrConsumedVL_RMASK 0xFFF
+#define QIB_7322_RxCreditVL0_0_RxMaxCreditVL_LSB 0x0
+#define QIB_7322_RxCreditVL0_0_RxMaxCreditVL_MSB 0xB
+#define QIB_7322_RxCreditVL0_0_RxMaxCreditVL_RMASK 0xFFF
+
+#define QIB_7322_SendDmaBufUsed0_0_OFFS 0x1480
+#define QIB_7322_SendDmaBufUsed0_0_DEF 0x0000000000000000
+#define QIB_7322_SendDmaBufUsed0_0_BufUsed_63_0_LSB 0x0
+#define QIB_7322_SendDmaBufUsed0_0_BufUsed_63_0_MSB 0x3F
+#define QIB_7322_SendDmaBufUsed0_0_BufUsed_63_0_RMASK 0x0
+
+#define QIB_7322_SendCheckControl_0_OFFS 0x14A8
+#define QIB_7322_SendCheckControl_0_DEF 0x0000000000000000
+#define QIB_7322_SendCheckControl_0_PKey_En_LSB 0x4
+#define QIB_7322_SendCheckControl_0_PKey_En_MSB 0x4
+#define QIB_7322_SendCheckControl_0_PKey_En_RMASK 0x1
+#define QIB_7322_SendCheckControl_0_BTHQP_En_LSB 0x3
+#define QIB_7322_SendCheckControl_0_BTHQP_En_MSB 0x3
+#define QIB_7322_SendCheckControl_0_BTHQP_En_RMASK 0x1
+#define QIB_7322_SendCheckControl_0_SLID_En_LSB 0x2
+#define QIB_7322_SendCheckControl_0_SLID_En_MSB 0x2
+#define QIB_7322_SendCheckControl_0_SLID_En_RMASK 0x1
+#define QIB_7322_SendCheckControl_0_RawIPV6_En_LSB 0x1
+#define QIB_7322_SendCheckControl_0_RawIPV6_En_MSB 0x1
+#define QIB_7322_SendCheckControl_0_RawIPV6_En_RMASK 0x1
+#define QIB_7322_SendCheckControl_0_PacketTooSmall_En_LSB 0x0
+#define QIB_7322_SendCheckControl_0_PacketTooSmall_En_MSB 0x0
+#define QIB_7322_SendCheckControl_0_PacketTooSmall_En_RMASK 0x1
+
+#define QIB_7322_SendIBSLIDMask_0_OFFS 0x14B0
+#define QIB_7322_SendIBSLIDMask_0_DEF 0x0000000000000000
+#define QIB_7322_SendIBSLIDMask_0_SendIBSLIDMask_15_0_LSB 0x0
+#define QIB_7322_SendIBSLIDMask_0_SendIBSLIDMask_15_0_MSB 0xF
+#define QIB_7322_SendIBSLIDMask_0_SendIBSLIDMask_15_0_RMASK 0xFFFF
+
+#define QIB_7322_SendIBSLIDAssign_0_OFFS 0x14B8
+#define QIB_7322_SendIBSLIDAssign_0_DEF 0x0000000000000000
+#define QIB_7322_SendIBSLIDAssign_0_SendIBSLIDAssign_15_0_LSB 0x0
+#define QIB_7322_SendIBSLIDAssign_0_SendIBSLIDAssign_15_0_MSB 0xF
+#define QIB_7322_SendIBSLIDAssign_0_SendIBSLIDAssign_15_0_RMASK 0xFFFF
+
+#define QIB_7322_IBCStatusA_0_OFFS 0x1540
+#define QIB_7322_IBCStatusA_0_DEF 0x0000000000000X02
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL7_LSB 0x27
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL7_MSB 0x27
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL7_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL6_LSB 0x26
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL6_MSB 0x26
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL6_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL5_LSB 0x25
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL5_MSB 0x25
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL5_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL4_LSB 0x24
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL4_MSB 0x24
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL4_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL3_LSB 0x23
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL3_MSB 0x23
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL3_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL2_LSB 0x22
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL2_MSB 0x22
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL2_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL1_LSB 0x21
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL1_MSB 0x21
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL1_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL0_LSB 0x20
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL0_MSB 0x20
+#define QIB_7322_IBCStatusA_0_TxCreditOk_VL0_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_TxReady_LSB 0x1E
+#define QIB_7322_IBCStatusA_0_TxReady_MSB 0x1E
+#define QIB_7322_IBCStatusA_0_TxReady_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_LinkSpeedQDR_LSB 0x1D
+#define QIB_7322_IBCStatusA_0_LinkSpeedQDR_MSB 0x1D
+#define QIB_7322_IBCStatusA_0_LinkSpeedQDR_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_ScrambleCapRemote_LSB 0xF
+#define QIB_7322_IBCStatusA_0_ScrambleCapRemote_MSB 0xF
+#define QIB_7322_IBCStatusA_0_ScrambleCapRemote_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_ScrambleEn_LSB 0xE
+#define QIB_7322_IBCStatusA_0_ScrambleEn_MSB 0xE
+#define QIB_7322_IBCStatusA_0_ScrambleEn_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_IBTxLaneReversed_LSB 0xD
+#define QIB_7322_IBCStatusA_0_IBTxLaneReversed_MSB 0xD
+#define QIB_7322_IBCStatusA_0_IBTxLaneReversed_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_IBRxLaneReversed_LSB 0xC
+#define QIB_7322_IBCStatusA_0_IBRxLaneReversed_MSB 0xC
+#define QIB_7322_IBCStatusA_0_IBRxLaneReversed_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_DDS_RXEQ_FAIL_LSB 0xA
+#define QIB_7322_IBCStatusA_0_DDS_RXEQ_FAIL_MSB 0xA
+#define QIB_7322_IBCStatusA_0_DDS_RXEQ_FAIL_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_LinkWidthActive_LSB 0x9
+#define QIB_7322_IBCStatusA_0_LinkWidthActive_MSB 0x9
+#define QIB_7322_IBCStatusA_0_LinkWidthActive_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_LinkSpeedActive_LSB 0x8
+#define QIB_7322_IBCStatusA_0_LinkSpeedActive_MSB 0x8
+#define QIB_7322_IBCStatusA_0_LinkSpeedActive_RMASK 0x1
+#define QIB_7322_IBCStatusA_0_LinkState_LSB 0x5
+#define QIB_7322_IBCStatusA_0_LinkState_MSB 0x7
+#define QIB_7322_IBCStatusA_0_LinkState_RMASK 0x7
+#define QIB_7322_IBCStatusA_0_LinkTrainingState_LSB 0x0
+#define QIB_7322_IBCStatusA_0_LinkTrainingState_MSB 0x4
+#define QIB_7322_IBCStatusA_0_LinkTrainingState_RMASK 0x1F
+
+#define QIB_7322_IBCStatusB_0_OFFS 0x1548
+#define QIB_7322_IBCStatusB_0_DEF 0x00000000XXXXXXXX
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_debug_LSB 0x27
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_debug_MSB 0x27
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_debug_RMASK 0x1
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_reached_threshold_LSB 0x26
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_reached_threshold_MSB 0x26
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_reached_threshold_RMASK 0x1
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_started_LSB 0x25
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_started_MSB 0x25
+#define QIB_7322_IBCStatusB_0_ibsd_adaptation_timer_started_RMASK 0x1
+#define QIB_7322_IBCStatusB_0_heartbeat_timed_out_LSB 0x24
+#define QIB_7322_IBCStatusB_0_heartbeat_timed_out_MSB 0x24
+#define QIB_7322_IBCStatusB_0_heartbeat_timed_out_RMASK 0x1
+#define QIB_7322_IBCStatusB_0_heartbeat_crosstalk_LSB 0x20
+#define QIB_7322_IBCStatusB_0_heartbeat_crosstalk_MSB 0x23
+#define QIB_7322_IBCStatusB_0_heartbeat_crosstalk_RMASK 0xF
+#define QIB_7322_IBCStatusB_0_RxEqLocalDevice_LSB 0x1E
+#define QIB_7322_IBCStatusB_0_RxEqLocalDevice_MSB 0x1F
+#define QIB_7322_IBCStatusB_0_RxEqLocalDevice_RMASK 0x3
+#define QIB_7322_IBCStatusB_0_ReqDDSLocalFromRmt_LSB 0x1A
+#define QIB_7322_IBCStatusB_0_ReqDDSLocalFromRmt_MSB 0x1D
+#define QIB_7322_IBCStatusB_0_ReqDDSLocalFromRmt_RMASK 0xF
+#define QIB_7322_IBCStatusB_0_LinkRoundTripLatency_LSB 0x0
+#define QIB_7322_IBCStatusB_0_LinkRoundTripLatency_MSB 0x19
+#define QIB_7322_IBCStatusB_0_LinkRoundTripLatency_RMASK 0x3FFFFFF
+
+#define QIB_7322_IBCCtrlA_0_OFFS 0x1560
+#define QIB_7322_IBCCtrlA_0_DEF 0x0000000000000000
+#define QIB_7322_IBCCtrlA_0_Loopback_LSB 0x3F
+#define QIB_7322_IBCCtrlA_0_Loopback_MSB 0x3F
+#define QIB_7322_IBCCtrlA_0_Loopback_RMASK 0x1
+#define QIB_7322_IBCCtrlA_0_LinkDownDefaultState_LSB 0x3E
+#define QIB_7322_IBCCtrlA_0_LinkDownDefaultState_MSB 0x3E
+#define QIB_7322_IBCCtrlA_0_LinkDownDefaultState_RMASK 0x1
+#define QIB_7322_IBCCtrlA_0_IBLinkEn_LSB 0x3D
+#define QIB_7322_IBCCtrlA_0_IBLinkEn_MSB 0x3D
+#define QIB_7322_IBCCtrlA_0_IBLinkEn_RMASK 0x1
+#define QIB_7322_IBCCtrlA_0_IBStatIntReductionEn_LSB 0x3C
+#define QIB_7322_IBCCtrlA_0_IBStatIntReductionEn_MSB 0x3C
+#define QIB_7322_IBCCtrlA_0_IBStatIntReductionEn_RMASK 0x1
+#define QIB_7322_IBCCtrlA_0_NumVLane_LSB 0x30
+#define QIB_7322_IBCCtrlA_0_NumVLane_MSB 0x32
+#define QIB_7322_IBCCtrlA_0_NumVLane_RMASK 0x7
+#define QIB_7322_IBCCtrlA_0_OverrunThreshold_LSB 0x24
+#define QIB_7322_IBCCtrlA_0_OverrunThreshold_MSB 0x27
+#define QIB_7322_IBCCtrlA_0_OverrunThreshold_RMASK 0xF
+#define QIB_7322_IBCCtrlA_0_PhyerrThreshold_LSB 0x20
+#define QIB_7322_IBCCtrlA_0_PhyerrThreshold_MSB 0x23
+#define QIB_7322_IBCCtrlA_0_PhyerrThreshold_RMASK 0xF
+#define QIB_7322_IBCCtrlA_0_MaxPktLen_LSB 0x15
+#define QIB_7322_IBCCtrlA_0_MaxPktLen_MSB 0x1F
+#define QIB_7322_IBCCtrlA_0_MaxPktLen_RMASK 0x7FF
+#define QIB_7322_IBCCtrlA_0_LinkCmd_LSB 0x13
+#define QIB_7322_IBCCtrlA_0_LinkCmd_MSB 0x14
+#define QIB_7322_IBCCtrlA_0_LinkCmd_RMASK 0x3
+#define QIB_7322_IBCCtrlA_0_LinkInitCmd_LSB 0x10
+#define QIB_7322_IBCCtrlA_0_LinkInitCmd_MSB 0x12
+#define QIB_7322_IBCCtrlA_0_LinkInitCmd_RMASK 0x7
+#define QIB_7322_IBCCtrlA_0_FlowCtrlWaterMark_LSB 0x8
+#define QIB_7322_IBCCtrlA_0_FlowCtrlWaterMark_MSB 0xF
+#define QIB_7322_IBCCtrlA_0_FlowCtrlWaterMark_RMASK 0xFF
+#define QIB_7322_IBCCtrlA_0_FlowCtrlPeriod_LSB 0x0
+#define QIB_7322_IBCCtrlA_0_FlowCtrlPeriod_MSB 0x7
+#define QIB_7322_IBCCtrlA_0_FlowCtrlPeriod_RMASK 0xFF
+
+#define QIB_7322_IBCCtrlB_0_OFFS 0x1568
+#define QIB_7322_IBCCtrlB_0_DEF 0x00000000000305FF
+#define QIB_7322_IBCCtrlB_0_IB_DLID_MASK_LSB 0x30
+#define QIB_7322_IBCCtrlB_0_IB_DLID_MASK_MSB 0x3F
+#define QIB_7322_IBCCtrlB_0_IB_DLID_MASK_RMASK 0xFFFF
+#define QIB_7322_IBCCtrlB_0_IB_DLID_LSB 0x20
+#define QIB_7322_IBCCtrlB_0_IB_DLID_MSB 0x2F
+#define QIB_7322_IBCCtrlB_0_IB_DLID_RMASK 0xFFFF
+#define QIB_7322_IBCCtrlB_0_IB_ENABLE_FILT_DPKT_LSB 0x1B
+#define QIB_7322_IBCCtrlB_0_IB_ENABLE_FILT_DPKT_MSB 0x1B
+#define QIB_7322_IBCCtrlB_0_IB_ENABLE_FILT_DPKT_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_HRTBT_REQ_LSB 0x1A
+#define QIB_7322_IBCCtrlB_0_HRTBT_REQ_MSB 0x1A
+#define QIB_7322_IBCCtrlB_0_HRTBT_REQ_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_HRTBT_PORT_LSB 0x12
+#define QIB_7322_IBCCtrlB_0_HRTBT_PORT_MSB 0x19
+#define QIB_7322_IBCCtrlB_0_HRTBT_PORT_RMASK 0xFF
+#define QIB_7322_IBCCtrlB_0_HRTBT_AUTO_LSB 0x11
+#define QIB_7322_IBCCtrlB_0_HRTBT_AUTO_MSB 0x11
+#define QIB_7322_IBCCtrlB_0_HRTBT_AUTO_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_HRTBT_ENB_LSB 0x10
+#define QIB_7322_IBCCtrlB_0_HRTBT_ENB_MSB 0x10
+#define QIB_7322_IBCCtrlB_0_HRTBT_ENB_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_SD_DDS_LSB 0xC
+#define QIB_7322_IBCCtrlB_0_SD_DDS_MSB 0xF
+#define QIB_7322_IBCCtrlB_0_SD_DDS_RMASK 0xF
+#define QIB_7322_IBCCtrlB_0_SD_DDSV_LSB 0xB
+#define QIB_7322_IBCCtrlB_0_SD_DDSV_MSB 0xB
+#define QIB_7322_IBCCtrlB_0_SD_DDSV_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_SD_ADD_ENB_LSB 0xA
+#define QIB_7322_IBCCtrlB_0_SD_ADD_ENB_MSB 0xA
+#define QIB_7322_IBCCtrlB_0_SD_ADD_ENB_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_SD_RX_EQUAL_ENABLE_LSB 0x9
+#define QIB_7322_IBCCtrlB_0_SD_RX_EQUAL_ENABLE_MSB 0x9
+#define QIB_7322_IBCCtrlB_0_SD_RX_EQUAL_ENABLE_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_IB_LANE_REV_SUPPORTED_LSB 0x8
+#define QIB_7322_IBCCtrlB_0_IB_LANE_REV_SUPPORTED_MSB 0x8
+#define QIB_7322_IBCCtrlB_0_IB_LANE_REV_SUPPORTED_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_IB_POLARITY_REV_SUPP_LSB 0x7
+#define QIB_7322_IBCCtrlB_0_IB_POLARITY_REV_SUPP_MSB 0x7
+#define QIB_7322_IBCCtrlB_0_IB_POLARITY_REV_SUPP_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_IB_NUM_CHANNELS_LSB 0x5
+#define QIB_7322_IBCCtrlB_0_IB_NUM_CHANNELS_MSB 0x6
+#define QIB_7322_IBCCtrlB_0_IB_NUM_CHANNELS_RMASK 0x3
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_QDR_LSB 0x4
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_QDR_MSB 0x4
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_QDR_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_DDR_LSB 0x3
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_DDR_MSB 0x3
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_DDR_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_SDR_LSB 0x2
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_SDR_MSB 0x2
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_SDR_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_LSB 0x1
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_MSB 0x1
+#define QIB_7322_IBCCtrlB_0_SD_SPEED_RMASK 0x1
+#define QIB_7322_IBCCtrlB_0_IB_ENHANCED_MODE_LSB 0x0
+#define QIB_7322_IBCCtrlB_0_IB_ENHANCED_MODE_MSB 0x0
+#define QIB_7322_IBCCtrlB_0_IB_ENHANCED_MODE_RMASK 0x1
+
+#define QIB_7322_IBCCtrlC_0_OFFS 0x1570
+#define QIB_7322_IBCCtrlC_0_DEF 0x0000000000000301
+#define QIB_7322_IBCCtrlC_0_IB_BACK_PORCH_LSB 0x5
+#define QIB_7322_IBCCtrlC_0_IB_BACK_PORCH_MSB 0x9
+#define QIB_7322_IBCCtrlC_0_IB_BACK_PORCH_RMASK 0x1F
+#define QIB_7322_IBCCtrlC_0_IB_FRONT_PORCH_LSB 0x0
+#define QIB_7322_IBCCtrlC_0_IB_FRONT_PORCH_MSB 0x4
+#define QIB_7322_IBCCtrlC_0_IB_FRONT_PORCH_RMASK 0x1F
+
+#define QIB_7322_HRTBT_GUID_0_OFFS 0x1588
+#define QIB_7322_HRTBT_GUID_0_DEF 0x0000000000000000
+
+#define QIB_7322_IB_SDTEST_IF_TX_0_OFFS 0x1590
+#define QIB_7322_IB_SDTEST_IF_TX_0_DEF 0x0000000000000000
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_RX_CFG_LSB 0x30
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_RX_CFG_MSB 0x3F
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_RX_CFG_RMASK 0xFFFF
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_TX_CFG_LSB 0x20
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_TX_CFG_MSB 0x2F
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_TX_CFG_RMASK 0xFFFF
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_SPEED_LSB 0xD
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_SPEED_MSB 0xF
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_SPEED_RMASK 0x7
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_OPCODE_LSB 0xB
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_OPCODE_MSB 0xC
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_TX_OPCODE_RMASK 0x3
+#define QIB_7322_IB_SDTEST_IF_TX_0_CREDIT_CHANGE_LSB 0x4
+#define QIB_7322_IB_SDTEST_IF_TX_0_CREDIT_CHANGE_MSB 0x4
+#define QIB_7322_IB_SDTEST_IF_TX_0_CREDIT_CHANGE_RMASK 0x1
+#define QIB_7322_IB_SDTEST_IF_TX_0_VL_CAP_LSB 0x2
+#define QIB_7322_IB_SDTEST_IF_TX_0_VL_CAP_MSB 0x3
+#define QIB_7322_IB_SDTEST_IF_TX_0_VL_CAP_RMASK 0x3
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_3_TX_VALID_LSB 0x1
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_3_TX_VALID_MSB 0x1
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_3_TX_VALID_RMASK 0x1
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_T_TX_VALID_LSB 0x0
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_T_TX_VALID_MSB 0x0
+#define QIB_7322_IB_SDTEST_IF_TX_0_TS_T_TX_VALID_RMASK 0x1
+
+#define QIB_7322_IB_SDTEST_IF_RX_0_OFFS 0x1598
+#define QIB_7322_IB_SDTEST_IF_RX_0_DEF 0x0000000000000000
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_RX_CFG_LSB 0x30
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_RX_CFG_MSB 0x3F
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_RX_CFG_RMASK 0xFFFF
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_TX_CFG_LSB 0x20
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_TX_CFG_MSB 0x2F
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_TX_CFG_RMASK 0xFFFF
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_B_LSB 0x18
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_B_MSB 0x1F
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_B_RMASK 0xFF
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_A_LSB 0x10
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_A_MSB 0x17
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_RX_A_RMASK 0xFF
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_3_RX_VALID_LSB 0x1
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_3_RX_VALID_MSB 0x1
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_3_RX_VALID_RMASK 0x1
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_T_RX_VALID_LSB 0x0
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_T_RX_VALID_MSB 0x0
+#define QIB_7322_IB_SDTEST_IF_RX_0_TS_T_RX_VALID_RMASK 0x1
+
+#define QIB_7322_IBNCModeCtrl_0_OFFS 0x15B8
+#define QIB_7322_IBNCModeCtrl_0_DEF 0x0000000000000000
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapRemoteForce_LSB 0x22
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapRemoteForce_MSB 0x22
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapRemoteForce_RMASK 0x1
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapRemoteMask_LSB 0x21
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapRemoteMask_MSB 0x21
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapRemoteMask_RMASK 0x1
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapLocal_LSB 0x20
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapLocal_MSB 0x20
+#define QIB_7322_IBNCModeCtrl_0_ScrambleCapLocal_RMASK 0x1
+#define QIB_7322_IBNCModeCtrl_0_TSMCode_TS2_LSB 0x11
+#define QIB_7322_IBNCModeCtrl_0_TSMCode_TS2_MSB 0x19
+#define QIB_7322_IBNCModeCtrl_0_TSMCode_TS2_RMASK 0x1FF
+#define QIB_7322_IBNCModeCtrl_0_TSMCode_TS1_LSB 0x8
+#define QIB_7322_IBNCModeCtrl_0_TSMCode_TS1_MSB 0x10
+#define QIB_7322_IBNCModeCtrl_0_TSMCode_TS1_RMASK 0x1FF
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_ignore_TSM_on_rx_LSB 0x2
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_ignore_TSM_on_rx_MSB 0x2
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_ignore_TSM_on_rx_RMASK 0x1
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_send_TS2_LSB 0x1
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_send_TS2_MSB 0x1
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_send_TS2_RMASK 0x1
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_send_TS1_LSB 0x0
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_send_TS1_MSB 0x0
+#define QIB_7322_IBNCModeCtrl_0_TSMEnable_send_TS1_RMASK 0x1
+
+#define QIB_7322_IBSerdesStatus_0_OFFS 0x15D0
+#define QIB_7322_IBSerdesStatus_0_DEF 0x0000000000000000
+
+#define QIB_7322_IBPCSConfig_0_OFFS 0x15D8
+#define QIB_7322_IBPCSConfig_0_DEF 0x0000000000000007
+#define QIB_7322_IBPCSConfig_0_link_sync_mask_LSB 0x9
+#define QIB_7322_IBPCSConfig_0_link_sync_mask_MSB 0x12
+#define QIB_7322_IBPCSConfig_0_link_sync_mask_RMASK 0x3FF
+#define QIB_7322_IBPCSConfig_0_xcv_rreset_LSB 0x2
+#define QIB_7322_IBPCSConfig_0_xcv_rreset_MSB 0x2
+#define QIB_7322_IBPCSConfig_0_xcv_rreset_RMASK 0x1
+#define QIB_7322_IBPCSConfig_0_xcv_treset_LSB 0x1
+#define QIB_7322_IBPCSConfig_0_xcv_treset_MSB 0x1
+#define QIB_7322_IBPCSConfig_0_xcv_treset_RMASK 0x1
+#define QIB_7322_IBPCSConfig_0_tx_rx_reset_LSB 0x0
+#define QIB_7322_IBPCSConfig_0_tx_rx_reset_MSB 0x0
+#define QIB_7322_IBPCSConfig_0_tx_rx_reset_RMASK 0x1
+
+#define QIB_7322_IBSerdesCtrl_0_OFFS 0x15E0
+#define QIB_7322_IBSerdesCtrl_0_DEF 0x0000000000FFA00F
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_QDR_LSB 0x1A
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_QDR_MSB 0x1A
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_QDR_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_DDR_LSB 0x19
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_DDR_MSB 0x19
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_DDR_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_SDR_LSB 0x18
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_SDR_MSB 0x18
+#define QIB_7322_IBSerdesCtrl_0_DISABLE_RXLATOFF_SDR_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_CHANNEL_RESET_N_LSB 0x14
+#define QIB_7322_IBSerdesCtrl_0_CHANNEL_RESET_N_MSB 0x17
+#define QIB_7322_IBSerdesCtrl_0_CHANNEL_RESET_N_RMASK 0xF
+#define QIB_7322_IBSerdesCtrl_0_CGMODE_LSB 0x10
+#define QIB_7322_IBSerdesCtrl_0_CGMODE_MSB 0x13
+#define QIB_7322_IBSerdesCtrl_0_CGMODE_RMASK 0xF
+#define QIB_7322_IBSerdesCtrl_0_IB_LAT_MODE_LSB 0xF
+#define QIB_7322_IBSerdesCtrl_0_IB_LAT_MODE_MSB 0xF
+#define QIB_7322_IBSerdesCtrl_0_IB_LAT_MODE_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_RXLOSEN_LSB 0xD
+#define QIB_7322_IBSerdesCtrl_0_RXLOSEN_MSB 0xD
+#define QIB_7322_IBSerdesCtrl_0_RXLOSEN_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_LPEN_LSB 0xC
+#define QIB_7322_IBSerdesCtrl_0_LPEN_MSB 0xC
+#define QIB_7322_IBSerdesCtrl_0_LPEN_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_PLLPD_LSB 0xB
+#define QIB_7322_IBSerdesCtrl_0_PLLPD_MSB 0xB
+#define QIB_7322_IBSerdesCtrl_0_PLLPD_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_TXPD_LSB 0xA
+#define QIB_7322_IBSerdesCtrl_0_TXPD_MSB 0xA
+#define QIB_7322_IBSerdesCtrl_0_TXPD_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_RXPD_LSB 0x9
+#define QIB_7322_IBSerdesCtrl_0_RXPD_MSB 0x9
+#define QIB_7322_IBSerdesCtrl_0_RXPD_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_TXIDLE_LSB 0x8
+#define QIB_7322_IBSerdesCtrl_0_TXIDLE_MSB 0x8
+#define QIB_7322_IBSerdesCtrl_0_TXIDLE_RMASK 0x1
+#define QIB_7322_IBSerdesCtrl_0_CMODE_LSB 0x0
+#define QIB_7322_IBSerdesCtrl_0_CMODE_MSB 0x6
+#define QIB_7322_IBSerdesCtrl_0_CMODE_RMASK 0x7F
+
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_OFFS 0x1600
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_DEF 0x0000000000000000
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_tx_override_deemphasis_select_LSB 0x1F
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_tx_override_deemphasis_select_MSB 0x1F
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_tx_override_deemphasis_select_RMASK 0x1
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_reset_tx_deemphasis_override_LSB 0x1E
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_reset_tx_deemphasis_override_MSB 0x1E
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_reset_tx_deemphasis_override_RMASK 0x1
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txampcntl_d2a_LSB 0xE
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txampcntl_d2a_MSB 0x11
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txampcntl_d2a_RMASK 0xF
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txc0_ena_LSB 0x9
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txc0_ena_MSB 0xD
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txc0_ena_RMASK 0x1F
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcp1_ena_LSB 0x5
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcp1_ena_MSB 0x8
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcp1_ena_RMASK 0xF
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcn1_xtra_emph0_LSB 0x3
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcn1_xtra_emph0_MSB 0x4
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcn1_xtra_emph0_RMASK 0x3
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcn1_ena_LSB 0x0
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcn1_ena_MSB 0x2
+#define QIB_7322_IBSD_TX_DEEMPHASIS_OVERRIDE_0_txcn1_ena_RMASK 0x7
+
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_OFFS 0x1640
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_DEF 0x0000000000000000
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch3_LSB 0x27
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch3_MSB 0x27
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch2_LSB 0x26
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch2_MSB 0x26
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch1_LSB 0x25
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch1_MSB 0x25
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch0_LSB 0x24
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch0_MSB 0x24
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenagain_sdr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch3_LSB 0x23
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch3_MSB 0x23
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch2_LSB 0x22
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch2_MSB 0x22
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch1_LSB 0x21
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch1_MSB 0x21
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch0_LSB 0x20
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch0_MSB 0x20
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenale_sdr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch3_LSB 0x18
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch3_MSB 0x1F
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch3_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch2_LSB 0x10
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch2_MSB 0x17
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch2_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch1_LSB 0x8
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch1_MSB 0xF
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch1_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch0_LSB 0x0
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch0_MSB 0x7
+#define QIB_7322_ADAPT_DISABLE_STATIC_SDR_0_static_disable_rxenadfe_sdr_ch0_RMASK 0xFF
+
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_OFFS 0x1648
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_DEF 0x0000000000000000
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch3_LSB 0x27
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch3_MSB 0x27
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch2_LSB 0x26
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch2_MSB 0x26
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch1_LSB 0x25
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch1_MSB 0x25
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch0_LSB 0x24
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch0_MSB 0x24
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenagain_sdr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch3_LSB 0x23
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch3_MSB 0x23
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch2_LSB 0x22
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch2_MSB 0x22
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch1_LSB 0x21
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch1_MSB 0x21
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch0_LSB 0x20
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch0_MSB 0x20
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenale_sdr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch3_LSB 0x18
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch3_MSB 0x1F
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch3_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch2_LSB 0x10
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch2_MSB 0x17
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch2_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch1_LSB 0x8
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch1_MSB 0xF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch1_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch0_LSB 0x0
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch0_MSB 0x7
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_SDR_0_dyn_disable_rxenadfe_sdr_ch0_RMASK 0xFF
+
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_OFFS 0x1650
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_DEF 0x0000000000000000
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch3_LSB 0x27
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch3_MSB 0x27
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch2_LSB 0x26
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch2_MSB 0x26
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch1_LSB 0x25
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch1_MSB 0x25
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch0_LSB 0x24
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch0_MSB 0x24
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenagain_ddr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch3_LSB 0x23
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch3_MSB 0x23
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch2_LSB 0x22
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch2_MSB 0x22
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch1_LSB 0x21
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch1_MSB 0x21
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch0_LSB 0x20
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch0_MSB 0x20
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenale_ddr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch3_LSB 0x18
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch3_MSB 0x1F
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch3_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch2_LSB 0x10
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch2_MSB 0x17
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch2_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch1_LSB 0x8
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch1_MSB 0xF
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch1_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch0_LSB 0x0
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch0_MSB 0x7
+#define QIB_7322_ADAPT_DISABLE_STATIC_DDR_0_static_disable_rxenadfe_ddr_ch0_RMASK 0xFF
+
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_OFFS 0x1658
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_DEF 0x0000000000000000
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch3_LSB 0x27
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch3_MSB 0x27
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch2_LSB 0x26
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch2_MSB 0x26
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch1_LSB 0x25
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch1_MSB 0x25
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch0_LSB 0x24
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch0_MSB 0x24
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenagain_ddr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch3_LSB 0x23
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch3_MSB 0x23
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch2_LSB 0x22
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch2_MSB 0x22
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch1_LSB 0x21
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch1_MSB 0x21
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch0_LSB 0x20
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch0_MSB 0x20
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenale_ddr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch3_LSB 0x18
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch3_MSB 0x1F
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch3_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch2_LSB 0x10
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch2_MSB 0x17
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch2_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch1_LSB 0x8
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch1_MSB 0xF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch1_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch0_LSB 0x0
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch0_MSB 0x7
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_DDR_0_dyn_disable_rxenadfe_ddr_ch0_RMASK 0xFF
+
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_OFFS 0x1660
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_DEF 0x0000000000000000
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch3_LSB 0x27
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch3_MSB 0x27
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch2_LSB 0x26
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch2_MSB 0x26
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch1_LSB 0x25
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch1_MSB 0x25
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch0_LSB 0x24
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch0_MSB 0x24
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenagain_qdr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch3_LSB 0x23
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch3_MSB 0x23
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch2_LSB 0x22
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch2_MSB 0x22
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch1_LSB 0x21
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch1_MSB 0x21
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch0_LSB 0x20
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch0_MSB 0x20
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenale_qdr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch3_LSB 0x18
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch3_MSB 0x1F
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch3_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch2_LSB 0x10
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch2_MSB 0x17
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch2_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch1_LSB 0x8
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch1_MSB 0xF
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch1_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch0_LSB 0x0
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch0_MSB 0x7
+#define QIB_7322_ADAPT_DISABLE_STATIC_QDR_0_static_disable_rxenadfe_qdr_ch0_RMASK 0xFF
+
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_OFFS 0x1668
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_DEF 0x0000000000000000
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch3_LSB 0x27
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch3_MSB 0x27
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch2_LSB 0x26
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch2_MSB 0x26
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch1_LSB 0x25
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch1_MSB 0x25
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch0_LSB 0x24
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch0_MSB 0x24
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenagain_qdr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch3_LSB 0x23
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch3_MSB 0x23
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch3_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch2_LSB 0x22
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch2_MSB 0x22
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch2_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch1_LSB 0x21
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch1_MSB 0x21
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch1_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch0_LSB 0x20
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch0_MSB 0x20
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenale_qdr_ch0_RMASK 0x1
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch3_LSB 0x18
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch3_MSB 0x1F
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch3_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch2_LSB 0x10
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch2_MSB 0x17
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch2_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch1_LSB 0x8
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch1_MSB 0xF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch1_RMASK 0xFF
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch0_LSB 0x0
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch0_MSB 0x7
+#define QIB_7322_ADAPT_DISABLE_DYNAMIC_QDR_0_dyn_disable_rxenadfe_qdr_ch0_RMASK 0xFF
+
+#define QIB_7322_ADAPT_DISABLE_TIMER_THRESHOLD_0_OFFS 0x1670
+#define QIB_7322_ADAPT_DISABLE_TIMER_THRESHOLD_0_DEF 0x0000000000000000
+
+#define QIB_7322_HighPriorityLimit_0_OFFS 0x1BC0
+#define QIB_7322_HighPriorityLimit_0_DEF 0x0000000000000000
+#define QIB_7322_HighPriorityLimit_0_Limit_LSB 0x0
+#define QIB_7322_HighPriorityLimit_0_Limit_MSB 0x7
+#define QIB_7322_HighPriorityLimit_0_Limit_RMASK 0xFF
+
+#define QIB_7322_LowPriority0_0_OFFS 0x1C00
+#define QIB_7322_LowPriority0_0_DEF 0x0000000000000000
+#define QIB_7322_LowPriority0_0_VirtualLane_LSB 0x10
+#define QIB_7322_LowPriority0_0_VirtualLane_MSB 0x12
+#define QIB_7322_LowPriority0_0_VirtualLane_RMASK 0x7
+#define QIB_7322_LowPriority0_0_Weight_LSB 0x0
+#define QIB_7322_LowPriority0_0_Weight_MSB 0x7
+#define QIB_7322_LowPriority0_0_Weight_RMASK 0xFF
+
+#define QIB_7322_HighPriority0_0_OFFS 0x1E00
+#define QIB_7322_HighPriority0_0_DEF 0x0000000000000000
+#define QIB_7322_HighPriority0_0_VirtualLane_LSB 0x10
+#define QIB_7322_HighPriority0_0_VirtualLane_MSB 0x12
+#define QIB_7322_HighPriority0_0_VirtualLane_RMASK 0x7
+#define QIB_7322_HighPriority0_0_Weight_LSB 0x0
+#define QIB_7322_HighPriority0_0_Weight_MSB 0x7
+#define QIB_7322_HighPriority0_0_Weight_RMASK 0xFF
+
+#define QIB_7322_CntrRegBase_1_OFFS 0x2028
+#define QIB_7322_CntrRegBase_1_DEF 0x0000000000013000
+
+#define QIB_7322_RcvQPMulticastContext_1_OFFS 0x2170
+
+#define QIB_7322_SendCtrl_1_OFFS 0x21C0
+
+#define QIB_7322_SendBufAvail0_OFFS 0x3000
+#define QIB_7322_SendBufAvail0_DEF 0x0000000000000000
+#define QIB_7322_SendBufAvail0_SendBuf_31_0_LSB 0x0
+#define QIB_7322_SendBufAvail0_SendBuf_31_0_MSB 0x3F
+#define QIB_7322_SendBufAvail0_SendBuf_31_0_RMASK 0x0
+
+#define QIB_7322_MsixTable_OFFS 0x8000
+#define QIB_7322_MsixTable_DEF 0x0000000000000000
+
+#define QIB_7322_MsixPba_OFFS 0x9000
+#define QIB_7322_MsixPba_DEF 0x0000000000000000
+
+#define QIB_7322_LAMemory_OFFS 0xA000
+#define QIB_7322_LAMemory_DEF 0x0000000000000000
+
+#define QIB_7322_LBIntCnt_OFFS 0x11000
+#define QIB_7322_LBIntCnt_DEF 0x0000000000000000
+
+#define QIB_7322_LBFlowStallCnt_OFFS 0x11008
+#define QIB_7322_LBFlowStallCnt_DEF 0x0000000000000000
+
+#define QIB_7322_RxTIDFullErrCnt_OFFS 0x110D0
+#define QIB_7322_RxTIDFullErrCnt_DEF 0x0000000000000000
+
+#define QIB_7322_RxTIDValidErrCnt_OFFS 0x110D8
+#define QIB_7322_RxTIDValidErrCnt_DEF 0x0000000000000000
+
+#define QIB_7322_RxP0HdrEgrOvflCnt_OFFS 0x110E8
+#define QIB_7322_RxP0HdrEgrOvflCnt_DEF 0x0000000000000000
+
+#define QIB_7322_PcieRetryBufDiagQwordCnt_OFFS 0x111A0
+#define QIB_7322_PcieRetryBufDiagQwordCnt_DEF 0x0000000000000000
+
+#define QIB_7322_RxTidFlowDropCnt_OFFS 0x111E0
+#define QIB_7322_RxTidFlowDropCnt_DEF 0x0000000000000000
+
+#define QIB_7322_LBIntCnt_0_OFFS 0x12000
+#define QIB_7322_LBIntCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxCreditUpToDateTimeOut_0_OFFS 0x12008
+#define QIB_7322_TxCreditUpToDateTimeOut_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxSDmaDescCnt_0_OFFS 0x12010
+#define QIB_7322_TxSDmaDescCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxUnsupVLErrCnt_0_OFFS 0x12018
+#define QIB_7322_TxUnsupVLErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxDataPktCnt_0_OFFS 0x12020
+#define QIB_7322_TxDataPktCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxFlowPktCnt_0_OFFS 0x12028
+#define QIB_7322_TxFlowPktCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxDwordCnt_0_OFFS 0x12030
+#define QIB_7322_TxDwordCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxLenErrCnt_0_OFFS 0x12038
+#define QIB_7322_TxLenErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxMaxMinLenErrCnt_0_OFFS 0x12040
+#define QIB_7322_TxMaxMinLenErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxUnderrunCnt_0_OFFS 0x12048
+#define QIB_7322_TxUnderrunCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxFlowStallCnt_0_OFFS 0x12050
+#define QIB_7322_TxFlowStallCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxDroppedPktCnt_0_OFFS 0x12058
+#define QIB_7322_TxDroppedPktCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxDroppedPktCnt_0_OFFS 0x12060
+#define QIB_7322_RxDroppedPktCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxDataPktCnt_0_OFFS 0x12068
+#define QIB_7322_RxDataPktCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxFlowPktCnt_0_OFFS 0x12070
+#define QIB_7322_RxFlowPktCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxDwordCnt_0_OFFS 0x12078
+#define QIB_7322_RxDwordCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxLenErrCnt_0_OFFS 0x12080
+#define QIB_7322_RxLenErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxMaxMinLenErrCnt_0_OFFS 0x12088
+#define QIB_7322_RxMaxMinLenErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxICRCErrCnt_0_OFFS 0x12090
+#define QIB_7322_RxICRCErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxVCRCErrCnt_0_OFFS 0x12098
+#define QIB_7322_RxVCRCErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxFlowCtrlViolCnt_0_OFFS 0x120A0
+#define QIB_7322_RxFlowCtrlViolCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxVersionErrCnt_0_OFFS 0x120A8
+#define QIB_7322_RxVersionErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxLinkMalformCnt_0_OFFS 0x120B0
+#define QIB_7322_RxLinkMalformCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxEBPCnt_0_OFFS 0x120B8
+#define QIB_7322_RxEBPCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxLPCRCErrCnt_0_OFFS 0x120C0
+#define QIB_7322_RxLPCRCErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxBufOvflCnt_0_OFFS 0x120C8
+#define QIB_7322_RxBufOvflCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxLenTruncateCnt_0_OFFS 0x120D0
+#define QIB_7322_RxLenTruncateCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxPKeyMismatchCnt_0_OFFS 0x120E0
+#define QIB_7322_RxPKeyMismatchCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_IBLinkDownedCnt_0_OFFS 0x12180
+#define QIB_7322_IBLinkDownedCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_IBSymbolErrCnt_0_OFFS 0x12188
+#define QIB_7322_IBSymbolErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_IBStatusChangeCnt_0_OFFS 0x12190
+#define QIB_7322_IBStatusChangeCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_IBLinkErrRecoveryCnt_0_OFFS 0x12198
+#define QIB_7322_IBLinkErrRecoveryCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_ExcessBufferOvflCnt_0_OFFS 0x121A8
+#define QIB_7322_ExcessBufferOvflCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_LocalLinkIntegrityErrCnt_0_OFFS 0x121B0
+#define QIB_7322_LocalLinkIntegrityErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxVlErrCnt_0_OFFS 0x121B8
+#define QIB_7322_RxVlErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxDlidFltrCnt_0_OFFS 0x121C0
+#define QIB_7322_RxDlidFltrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxVL15DroppedPktCnt_0_OFFS 0x121C8
+#define QIB_7322_RxVL15DroppedPktCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxOtherLocalPhyErrCnt_0_OFFS 0x121D0
+#define QIB_7322_RxOtherLocalPhyErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_RxQPInvalidContextCnt_0_OFFS 0x121D8
+#define QIB_7322_RxQPInvalidContextCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_TxHeadersErrCnt_0_OFFS 0x121F8
+#define QIB_7322_TxHeadersErrCnt_0_DEF 0x0000000000000000
+
+#define QIB_7322_PSRcvDataCount_0_OFFS 0x12218
+#define QIB_7322_PSRcvDataCount_0_DEF 0x0000000000000000
+
+#define QIB_7322_PSRcvPktsCount_0_OFFS 0x12220
+#define QIB_7322_PSRcvPktsCount_0_DEF 0x0000000000000000
+
+#define QIB_7322_PSXmitDataCount_0_OFFS 0x12228
+#define QIB_7322_PSXmitDataCount_0_DEF 0x0000000000000000
+
+#define QIB_7322_PSXmitPktsCount_0_OFFS 0x12230
+#define QIB_7322_PSXmitPktsCount_0_DEF 0x0000000000000000
+
+#define QIB_7322_PSXmitWaitCount_0_OFFS 0x12238
+#define QIB_7322_PSXmitWaitCount_0_DEF 0x0000000000000000
+
+#define QIB_7322_LBIntCnt_1_OFFS 0x13000
+#define QIB_7322_LBIntCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxCreditUpToDateTimeOut_1_OFFS 0x13008
+#define QIB_7322_TxCreditUpToDateTimeOut_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxSDmaDescCnt_1_OFFS 0x13010
+#define QIB_7322_TxSDmaDescCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxUnsupVLErrCnt_1_OFFS 0x13018
+#define QIB_7322_TxUnsupVLErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxDataPktCnt_1_OFFS 0x13020
+#define QIB_7322_TxDataPktCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxFlowPktCnt_1_OFFS 0x13028
+#define QIB_7322_TxFlowPktCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxDwordCnt_1_OFFS 0x13030
+#define QIB_7322_TxDwordCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxLenErrCnt_1_OFFS 0x13038
+#define QIB_7322_TxLenErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxMaxMinLenErrCnt_1_OFFS 0x13040
+#define QIB_7322_TxMaxMinLenErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxUnderrunCnt_1_OFFS 0x13048
+#define QIB_7322_TxUnderrunCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxFlowStallCnt_1_OFFS 0x13050
+#define QIB_7322_TxFlowStallCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxDroppedPktCnt_1_OFFS 0x13058
+#define QIB_7322_TxDroppedPktCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxDroppedPktCnt_1_OFFS 0x13060
+#define QIB_7322_RxDroppedPktCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxDataPktCnt_1_OFFS 0x13068
+#define QIB_7322_RxDataPktCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxFlowPktCnt_1_OFFS 0x13070
+#define QIB_7322_RxFlowPktCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxDwordCnt_1_OFFS 0x13078
+#define QIB_7322_RxDwordCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxLenErrCnt_1_OFFS 0x13080
+#define QIB_7322_RxLenErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxMaxMinLenErrCnt_1_OFFS 0x13088
+#define QIB_7322_RxMaxMinLenErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxICRCErrCnt_1_OFFS 0x13090
+#define QIB_7322_RxICRCErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxVCRCErrCnt_1_OFFS 0x13098
+#define QIB_7322_RxVCRCErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxFlowCtrlViolCnt_1_OFFS 0x130A0
+#define QIB_7322_RxFlowCtrlViolCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxVersionErrCnt_1_OFFS 0x130A8
+#define QIB_7322_RxVersionErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxLinkMalformCnt_1_OFFS 0x130B0
+#define QIB_7322_RxLinkMalformCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxEBPCnt_1_OFFS 0x130B8
+#define QIB_7322_RxEBPCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxLPCRCErrCnt_1_OFFS 0x130C0
+#define QIB_7322_RxLPCRCErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxBufOvflCnt_1_OFFS 0x130C8
+#define QIB_7322_RxBufOvflCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxLenTruncateCnt_1_OFFS 0x130D0
+#define QIB_7322_RxLenTruncateCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxPKeyMismatchCnt_1_OFFS 0x130E0
+#define QIB_7322_RxPKeyMismatchCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_IBLinkDownedCnt_1_OFFS 0x13180
+#define QIB_7322_IBLinkDownedCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_IBSymbolErrCnt_1_OFFS 0x13188
+#define QIB_7322_IBSymbolErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_IBStatusChangeCnt_1_OFFS 0x13190
+#define QIB_7322_IBStatusChangeCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_IBLinkErrRecoveryCnt_1_OFFS 0x13198
+#define QIB_7322_IBLinkErrRecoveryCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_ExcessBufferOvflCnt_1_OFFS 0x131A8
+#define QIB_7322_ExcessBufferOvflCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_LocalLinkIntegrityErrCnt_1_OFFS 0x131B0
+#define QIB_7322_LocalLinkIntegrityErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxVlErrCnt_1_OFFS 0x131B8
+#define QIB_7322_RxVlErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxDlidFltrCnt_1_OFFS 0x131C0
+#define QIB_7322_RxDlidFltrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxVL15DroppedPktCnt_1_OFFS 0x131C8
+#define QIB_7322_RxVL15DroppedPktCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxOtherLocalPhyErrCnt_1_OFFS 0x131D0
+#define QIB_7322_RxOtherLocalPhyErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_RxQPInvalidContextCnt_1_OFFS 0x131D8
+#define QIB_7322_RxQPInvalidContextCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_TxHeadersErrCnt_1_OFFS 0x131F8
+#define QIB_7322_TxHeadersErrCnt_1_DEF 0x0000000000000000
+
+#define QIB_7322_PSRcvDataCount_1_OFFS 0x13218
+#define QIB_7322_PSRcvDataCount_1_DEF 0x0000000000000000
+
+#define QIB_7322_PSRcvPktsCount_1_OFFS 0x13220
+#define QIB_7322_PSRcvPktsCount_1_DEF 0x0000000000000000
+
+#define QIB_7322_PSXmitDataCount_1_OFFS 0x13228
+#define QIB_7322_PSXmitDataCount_1_DEF 0x0000000000000000
+
+#define QIB_7322_PSXmitPktsCount_1_OFFS 0x13230
+#define QIB_7322_PSXmitPktsCount_1_DEF 0x0000000000000000
+
+#define QIB_7322_PSXmitWaitCount_1_OFFS 0x13238
+#define QIB_7322_PSXmitWaitCount_1_DEF 0x0000000000000000
+
+#define QIB_7322_RcvEgrArray_OFFS 0x14000
+#define QIB_7322_RcvEgrArray_DEF 0x0000000000000000
+#define QIB_7322_RcvEgrArray_RT_BufSize_LSB 0x25
+#define QIB_7322_RcvEgrArray_RT_BufSize_MSB 0x27
+#define QIB_7322_RcvEgrArray_RT_BufSize_RMASK 0x7
+#define QIB_7322_RcvEgrArray_RT_Addr_LSB 0x0
+#define QIB_7322_RcvEgrArray_RT_Addr_MSB 0x24
+#define QIB_7322_RcvEgrArray_RT_Addr_RMASK 0x1FFFFFFFFF
+
+#define QIB_7322_RcvTIDArray0_OFFS 0x50000
+#define QIB_7322_RcvTIDArray0_DEF 0x0000000000000000
+#define QIB_7322_RcvTIDArray0_RT_BufSize_LSB 0x25
+#define QIB_7322_RcvTIDArray0_RT_BufSize_MSB 0x27
+#define QIB_7322_RcvTIDArray0_RT_BufSize_RMASK 0x7
+#define QIB_7322_RcvTIDArray0_RT_Addr_LSB 0x0
+#define QIB_7322_RcvTIDArray0_RT_Addr_MSB 0x24
+#define QIB_7322_RcvTIDArray0_RT_Addr_RMASK 0x1FFFFFFFFF
+
+#define QIB_7322_IBSD_DDS_MAP_TABLE_0_OFFS 0xD0000
+#define QIB_7322_IBSD_DDS_MAP_TABLE_0_DEF 0x0000000000000000
+
+#define QIB_7322_RcvHdrTail0_OFFS 0x200000
+#define QIB_7322_RcvHdrTail0_DEF 0x0000000000000000
+
+#define QIB_7322_RcvHdrHead0_OFFS 0x200008
+#define QIB_7322_RcvHdrHead0_DEF 0x0000000000000000
+#define QIB_7322_RcvHdrHead0_counter_LSB 0x20
+#define QIB_7322_RcvHdrHead0_counter_MSB 0x2F
+#define QIB_7322_RcvHdrHead0_counter_RMASK 0xFFFF
+#define QIB_7322_RcvHdrHead0_RcvHeadPointer_LSB 0x0
+#define QIB_7322_RcvHdrHead0_RcvHeadPointer_MSB 0x1F
+#define QIB_7322_RcvHdrHead0_RcvHeadPointer_RMASK 0xFFFFFFFF
+
+#define QIB_7322_RcvEgrIndexTail0_OFFS 0x200010
+#define QIB_7322_RcvEgrIndexTail0_DEF 0x0000000000000000
+
+#define QIB_7322_RcvEgrIndexHead0_OFFS 0x200018
+#define QIB_7322_RcvEgrIndexHead0_DEF 0x0000000000000000
+
+#define QIB_7322_RcvTIDFlowTable0_OFFS 0x201000
+#define QIB_7322_RcvTIDFlowTable0_DEF 0x0000000000000000
+#define QIB_7322_RcvTIDFlowTable0_GenMismatch_LSB 0x1C
+#define QIB_7322_RcvTIDFlowTable0_GenMismatch_MSB 0x1C
+#define QIB_7322_RcvTIDFlowTable0_GenMismatch_RMASK 0x1
+#define QIB_7322_RcvTIDFlowTable0_SeqMismatch_LSB 0x1B
+#define QIB_7322_RcvTIDFlowTable0_SeqMismatch_MSB 0x1B
+#define QIB_7322_RcvTIDFlowTable0_SeqMismatch_RMASK 0x1
+#define QIB_7322_RcvTIDFlowTable0_KeepOnGenErr_LSB 0x16
+#define QIB_7322_RcvTIDFlowTable0_KeepOnGenErr_MSB 0x16
+#define QIB_7322_RcvTIDFlowTable0_KeepOnGenErr_RMASK 0x1
+#define QIB_7322_RcvTIDFlowTable0_KeepAfterSeqErr_LSB 0x15
+#define QIB_7322_RcvTIDFlowTable0_KeepAfterSeqErr_MSB 0x15
+#define QIB_7322_RcvTIDFlowTable0_KeepAfterSeqErr_RMASK 0x1
+#define QIB_7322_RcvTIDFlowTable0_HdrSuppEnabled_LSB 0x14
+#define QIB_7322_RcvTIDFlowTable0_HdrSuppEnabled_MSB 0x14
+#define QIB_7322_RcvTIDFlowTable0_HdrSuppEnabled_RMASK 0x1
+#define QIB_7322_RcvTIDFlowTable0_FlowValid_LSB 0x13
+#define QIB_7322_RcvTIDFlowTable0_FlowValid_MSB 0x13
+#define QIB_7322_RcvTIDFlowTable0_FlowValid_RMASK 0x1
+#define QIB_7322_RcvTIDFlowTable0_GenVal_LSB 0xB
+#define QIB_7322_RcvTIDFlowTable0_GenVal_MSB 0x12
+#define QIB_7322_RcvTIDFlowTable0_GenVal_RMASK 0xFF
+#define QIB_7322_RcvTIDFlowTable0_SeqNum_LSB 0x0
+#define QIB_7322_RcvTIDFlowTable0_SeqNum_MSB 0xA
+#define QIB_7322_RcvTIDFlowTable0_SeqNum_RMASK 0x7FF
diff --git a/drivers/infiniband/hw/qib/qib_common.h b/drivers/infiniband/hw/qib/qib_common.h
new file mode 100644
index 00000000000..b3955ed8f79
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_common.h
@@ -0,0 +1,758 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _QIB_COMMON_H
+#define _QIB_COMMON_H
+
+/*
+ * This file contains defines, structures, etc. that are used
+ * to communicate between kernel and user code.
+ */
+
+/* This is the IEEE-assigned OUI for QLogic Inc. QLogic_IB */
+#define QIB_SRC_OUI_1 0x00
+#define QIB_SRC_OUI_2 0x11
+#define QIB_SRC_OUI_3 0x75
+
+/* version of protocol header (known to chip also). In the long run,
+ * we should be able to generate and accept a range of version numbers;
+ * for now we only accept one, and it's compiled in.
+ */
+#define IPS_PROTO_VERSION 2
+
+/*
+ * These are compile time constants that you may want to enable or disable
+ * if you are trying to debug problems with code or performance.
+ * QIB_VERBOSE_TRACING define as 1 if you want additional tracing in
+ * fastpath code
+ * QIB_TRACE_REGWRITES define as 1 if you want register writes to be
+ * traced in faspath code
+ * _QIB_TRACING define as 0 if you want to remove all tracing in a
+ * compilation unit
+ */
+
+/*
+ * The value in the BTH QP field that QLogic_IB uses to differentiate
+ * an qlogic_ib protocol IB packet vs standard IB transport
+ * This it needs to be even (0x656b78), because the LSB is sometimes
+ * used for the MSB of context. The change may cause a problem
+ * interoperating with older software.
+ */
+#define QIB_KD_QP 0x656b78
+
+/*
+ * These are the status bits readable (in ascii form, 64bit value)
+ * from the "status" sysfs file.  For binary compatibility, values
+ * must remain as is; removed states can be reused for different
+ * purposes.
+ */
+#define QIB_STATUS_INITTED       0x1    /* basic initialization done */
+/* Chip has been found and initted */
+#define QIB_STATUS_CHIP_PRESENT 0x20
+/* IB link is at ACTIVE, usable for data traffic */
+#define QIB_STATUS_IB_READY     0x40
+/* link is configured, LID, MTU, etc. have been set */
+#define QIB_STATUS_IB_CONF      0x80
+/* A Fatal hardware error has occurred. */
+#define QIB_STATUS_HWERROR     0x200
+
+/*
+ * The list of usermode accessible registers.  Also see Reg_* later in file.
+ */
+enum qib_ureg {
+	/* (RO)  DMA RcvHdr to be used next. */
+	ur_rcvhdrtail = 0,
+	/* (RW)  RcvHdr entry to be processed next by host. */
+	ur_rcvhdrhead = 1,
+	/* (RO)  Index of next Eager index to use. */
+	ur_rcvegrindextail = 2,
+	/* (RW)  Eager TID to be processed next */
+	ur_rcvegrindexhead = 3,
+	/* For internal use only; max register number. */
+	_QIB_UregMax
+};
+
+/* bit values for spi_runtime_flags */
+#define QIB_RUNTIME_PCIE                0x0002
+#define QIB_RUNTIME_FORCE_WC_ORDER      0x0004
+#define QIB_RUNTIME_RCVHDR_COPY         0x0008
+#define QIB_RUNTIME_MASTER              0x0010
+#define QIB_RUNTIME_RCHK                0x0020
+#define QIB_RUNTIME_NODMA_RTAIL         0x0080
+#define QIB_RUNTIME_SPECIAL_TRIGGER     0x0100
+#define QIB_RUNTIME_SDMA                0x0200
+#define QIB_RUNTIME_FORCE_PIOAVAIL      0x0400
+#define QIB_RUNTIME_PIO_REGSWAPPED      0x0800
+#define QIB_RUNTIME_CTXT_MSB_IN_QP      0x1000
+#define QIB_RUNTIME_CTXT_REDIRECT       0x2000
+#define QIB_RUNTIME_HDRSUPP             0x4000
+
+/*
+ * This structure is returned by qib_userinit() immediately after
+ * open to get implementation-specific info, and info specific to this
+ * instance.
+ *
+ * This struct must have explict pad fields where type sizes
+ * may result in different alignments between 32 and 64 bit
+ * programs, since the 64 bit * bit kernel requires the user code
+ * to have matching offsets
+ */
+struct qib_base_info {
+	/* version of hardware, for feature checking. */
+	__u32 spi_hw_version;
+	/* version of software, for feature checking. */
+	__u32 spi_sw_version;
+	/* QLogic_IB context assigned, goes into sent packets */
+	__u16 spi_ctxt;
+	__u16 spi_subctxt;
+	/*
+	 * IB MTU, packets IB data must be less than this.
+	 * The MTU is in bytes, and will be a multiple of 4 bytes.
+	 */
+	__u32 spi_mtu;
+	/*
+	 * Size of a PIO buffer.  Any given packet's total size must be less
+	 * than this (in words).  Included is the starting control word, so
+	 * if 513 is returned, then total pkt size is 512 words or less.
+	 */
+	__u32 spi_piosize;
+	/* size of the TID cache in qlogic_ib, in entries */
+	__u32 spi_tidcnt;
+	/* size of the TID Eager list in qlogic_ib, in entries */
+	__u32 spi_tidegrcnt;
+	/* size of a single receive header queue entry in words. */
+	__u32 spi_rcvhdrent_size;
+	/*
+	 * Count of receive header queue entries allocated.
+	 * This may be less than the spu_rcvhdrcnt passed in!.
+	 */
+	__u32 spi_rcvhdr_cnt;
+
+	/* per-chip and other runtime features bitmap (QIB_RUNTIME_*) */
+	__u32 spi_runtime_flags;
+
+	/* address where hardware receive header queue is mapped */
+	__u64 spi_rcvhdr_base;
+
+	/* user program. */
+
+	/* base address of eager TID receive buffers used by hardware. */
+	__u64 spi_rcv_egrbufs;
+
+	/* Allocated by initialization code, not by protocol. */
+
+	/*
+	 * Size of each TID buffer in host memory, starting at
+	 * spi_rcv_egrbufs.  The buffers are virtually contiguous.
+	 */
+	__u32 spi_rcv_egrbufsize;
+	/*
+	 * The special QP (queue pair) value that identifies an qlogic_ib
+	 * protocol packet from standard IB packets.  More, probably much
+	 * more, to be added.
+	 */
+	__u32 spi_qpair;
+
+	/*
+	 * User register base for init code, not to be used directly by
+	 * protocol or applications.  Always points to chip registers,
+	 * for normal or shared context.
+	 */
+	__u64 spi_uregbase;
+	/*
+	 * Maximum buffer size in bytes that can be used in a single TID
+	 * entry (assuming the buffer is aligned to this boundary).  This is
+	 * the minimum of what the hardware and software support Guaranteed
+	 * to be a power of 2.
+	 */
+	__u32 spi_tid_maxsize;
+	/*
+	 * alignment of each pio send buffer (byte count
+	 * to add to spi_piobufbase to get to second buffer)
+	 */
+	__u32 spi_pioalign;
+	/*
+	 * The index of the first pio buffer available to this process;
+	 * needed to do lookup in spi_pioavailaddr; not added to
+	 * spi_piobufbase.
+	 */
+	__u32 spi_pioindex;
+	 /* number of buffers mapped for this process */
+	__u32 spi_piocnt;
+
+	/*
+	 * Base address of writeonly pio buffers for this process.
+	 * Each buffer has spi_piosize words, and is aligned on spi_pioalign
+	 * boundaries.  spi_piocnt buffers are mapped from this address
+	 */
+	__u64 spi_piobufbase;
+
+	/*
+	 * Base address of readonly memory copy of the pioavail registers.
+	 * There are 2 bits for each buffer.
+	 */
+	__u64 spi_pioavailaddr;
+
+	/*
+	 * Address where driver updates a copy of the interface and driver
+	 * status (QIB_STATUS_*) as a 64 bit value.  It's followed by a
+	 * link status qword (formerly combined with driver status), then a
+	 * string indicating hardware error, if there was one.
+	 */
+	__u64 spi_status;
+
+	/* number of chip ctxts available to user processes */
+	__u32 spi_nctxts;
+	__u16 spi_unit; /* unit number of chip we are using */
+	__u16 spi_port; /* IB port number we are using */
+	/* num bufs in each contiguous set */
+	__u32 spi_rcv_egrperchunk;
+	/* size in bytes of each contiguous set */
+	__u32 spi_rcv_egrchunksize;
+	/* total size of mmap to cover full rcvegrbuffers */
+	__u32 spi_rcv_egrbuftotlen;
+	__u32 spi_rhf_offset; /* dword offset in hdrqent for rcvhdr flags */
+	/* address of readonly memory copy of the rcvhdrq tail register. */
+	__u64 spi_rcvhdr_tailaddr;
+
+	/*
+	 * shared memory pages for subctxts if ctxt is shared; these cover
+	 * all the processes in the group sharing a single context.
+	 * all have enough space for the num_subcontexts value on this job.
+	 */
+	__u64 spi_subctxt_uregbase;
+	__u64 spi_subctxt_rcvegrbuf;
+	__u64 spi_subctxt_rcvhdr_base;
+
+	/* shared memory page for send buffer disarm status */
+	__u64 spi_sendbuf_status;
+} __attribute__ ((aligned(8)));
+
+/*
+ * This version number is given to the driver by the user code during
+ * initialization in the spu_userversion field of qib_user_info, so
+ * the driver can check for compatibility with user code.
+ *
+ * The major version changes when data structures
+ * change in an incompatible way.  The driver must be the same or higher
+ * for initialization to succeed.  In some cases, a higher version
+ * driver will not interoperate with older software, and initialization
+ * will return an error.
+ */
+#define QIB_USER_SWMAJOR 1
+
+/*
+ * Minor version differences are always compatible
+ * a within a major version, however if user software is larger
+ * than driver software, some new features and/or structure fields
+ * may not be implemented; the user code must deal with this if it
+ * cares, or it must abort after initialization reports the difference.
+ */
+#define QIB_USER_SWMINOR 10
+
+#define QIB_USER_SWVERSION ((QIB_USER_SWMAJOR << 16) | QIB_USER_SWMINOR)
+
+#ifndef QIB_KERN_TYPE
+#define QIB_KERN_TYPE 0
+#define QIB_IDSTR "QLogic kernel.org driver"
+#endif
+
+/*
+ * Similarly, this is the kernel version going back to the user.  It's
+ * slightly different, in that we want to tell if the driver was built as
+ * part of a QLogic release, or from the driver from openfabrics.org,
+ * kernel.org, or a standard distribution, for support reasons.
+ * The high bit is 0 for non-QLogic and 1 for QLogic-built/supplied.
+ *
+ * It's returned by the driver to the user code during initialization in the
+ * spi_sw_version field of qib_base_info, so the user code can in turn
+ * check for compatibility with the kernel.
+*/
+#define QIB_KERN_SWVERSION ((QIB_KERN_TYPE << 31) | QIB_USER_SWVERSION)
+
+/*
+ * This structure is passed to qib_userinit() to tell the driver where
+ * user code buffers are, sizes, etc.   The offsets and sizes of the
+ * fields must remain unchanged, for binary compatibility.  It can
+ * be extended, if userversion is changed so user code can tell, if needed
+ */
+struct qib_user_info {
+	/*
+	 * version of user software, to detect compatibility issues.
+	 * Should be set to QIB_USER_SWVERSION.
+	 */
+	__u32 spu_userversion;
+
+	__u32 _spu_unused2;
+
+	/* size of struct base_info to write to */
+	__u32 spu_base_info_size;
+
+	__u32 _spu_unused3;
+
+	/*
+	 * If two or more processes wish to share a context, each process
+	 * must set the spu_subctxt_cnt and spu_subctxt_id to the same
+	 * values.  The only restriction on the spu_subctxt_id is that
+	 * it be unique for a given node.
+	 */
+	__u16 spu_subctxt_cnt;
+	__u16 spu_subctxt_id;
+
+	__u32 spu_port; /* IB port requested by user if > 0 */
+
+	/*
+	 * address of struct base_info to write to
+	 */
+	__u64 spu_base_info;
+
+} __attribute__ ((aligned(8)));
+
+/* User commands. */
+
+/* 16 available, was: old set up userspace (for old user code) */
+#define QIB_CMD_CTXT_INFO       17      /* find out what resources we got */
+#define QIB_CMD_RECV_CTRL       18      /* control receipt of packets */
+#define QIB_CMD_TID_UPDATE      19      /* update expected TID entries */
+#define QIB_CMD_TID_FREE        20      /* free expected TID entries */
+#define QIB_CMD_SET_PART_KEY    21      /* add partition key */
+/* 22 available, was: return info on slave processes (for old user code) */
+#define QIB_CMD_ASSIGN_CTXT     23      /* allocate HCA and ctxt */
+#define QIB_CMD_USER_INIT       24      /* set up userspace */
+#define QIB_CMD_UNUSED_1        25
+#define QIB_CMD_UNUSED_2        26
+#define QIB_CMD_PIOAVAILUPD     27      /* force an update of PIOAvail reg */
+#define QIB_CMD_POLL_TYPE       28      /* set the kind of polling we want */
+#define QIB_CMD_ARMLAUNCH_CTRL  29      /* armlaunch detection control */
+/* 30 is unused */
+#define QIB_CMD_SDMA_INFLIGHT   31      /* sdma inflight counter request */
+#define QIB_CMD_SDMA_COMPLETE   32      /* sdma completion counter request */
+/* 33 available, was a testing feature  */
+#define QIB_CMD_DISARM_BUFS     34      /* disarm send buffers w/ errors */
+#define QIB_CMD_ACK_EVENT       35      /* ack & clear bits */
+#define QIB_CMD_CPUS_LIST       36      /* list of cpus allocated, for pinned
+					 * processes: qib_cpus_list */
+
+/*
+ * QIB_CMD_ACK_EVENT obsoletes QIB_CMD_DISARM_BUFS, but we keep it for
+ * compatibility with libraries from previous release.   The ACK_EVENT
+ * will take appropriate driver action (if any, just DISARM for now),
+ * then clear the bits passed in as part of the mask.  These bits are
+ * in the first 64bit word at spi_sendbuf_status, and are passed to
+ * the driver in the event_mask union as well.
+ */
+#define _QIB_EVENT_DISARM_BUFS_BIT	0
+#define _QIB_EVENT_LINKDOWN_BIT		1
+#define _QIB_EVENT_LID_CHANGE_BIT	2
+#define _QIB_EVENT_LMC_CHANGE_BIT	3
+#define _QIB_EVENT_SL2VL_CHANGE_BIT	4
+#define _QIB_MAX_EVENT_BIT _QIB_EVENT_SL2VL_CHANGE_BIT
+
+#define QIB_EVENT_DISARM_BUFS_BIT	(1UL << _QIB_EVENT_DISARM_BUFS_BIT)
+#define QIB_EVENT_LINKDOWN_BIT		(1UL << _QIB_EVENT_LINKDOWN_BIT)
+#define QIB_EVENT_LID_CHANGE_BIT	(1UL << _QIB_EVENT_LID_CHANGE_BIT)
+#define QIB_EVENT_LMC_CHANGE_BIT	(1UL << _QIB_EVENT_LMC_CHANGE_BIT)
+#define QIB_EVENT_SL2VL_CHANGE_BIT	(1UL << _QIB_EVENT_SL2VL_CHANGE_BIT)
+
+
+/*
+ * Poll types
+ */
+#define QIB_POLL_TYPE_ANYRCV     0x0
+#define QIB_POLL_TYPE_URGENT     0x1
+
+struct qib_ctxt_info {
+	__u16 num_active;       /* number of active units */
+	__u16 unit;             /* unit (chip) assigned to caller */
+	__u16 port;             /* IB port assigned to caller (1-based) */
+	__u16 ctxt;             /* ctxt on unit assigned to caller */
+	__u16 subctxt;          /* subctxt on unit assigned to caller */
+	__u16 num_ctxts;        /* number of ctxts available on unit */
+	__u16 num_subctxts;     /* number of subctxts opened on ctxt */
+	__u16 rec_cpu;          /* cpu # for affinity (ffff if none) */
+};
+
+struct qib_tid_info {
+	__u32 tidcnt;
+	/* make structure same size in 32 and 64 bit */
+	__u32 tid__unused;
+	/* virtual address of first page in transfer */
+	__u64 tidvaddr;
+	/* pointer (same size 32/64 bit) to __u16 tid array */
+	__u64 tidlist;
+
+	/*
+	 * pointer (same size 32/64 bit) to bitmap of TIDs used
+	 * for this call; checked for being large enough at open
+	 */
+	__u64 tidmap;
+};
+
+struct qib_cmd {
+	__u32 type;                     /* command type */
+	union {
+		struct qib_tid_info tid_info;
+		struct qib_user_info user_info;
+
+		/*
+		 * address in userspace where we should put the sdma
+		 * inflight counter
+		 */
+		__u64 sdma_inflight;
+		/*
+		 * address in userspace where we should put the sdma
+		 * completion counter
+		 */
+		__u64 sdma_complete;
+		/* address in userspace of struct qib_ctxt_info to
+		   write result to */
+		__u64 ctxt_info;
+		/* enable/disable receipt of packets */
+		__u32 recv_ctrl;
+		/* enable/disable armlaunch errors (non-zero to enable) */
+		__u32 armlaunch_ctrl;
+		/* partition key to set */
+		__u16 part_key;
+		/* user address of __u32 bitmask of active slaves */
+		__u64 slave_mask_addr;
+		/* type of polling we want */
+		__u16 poll_type;
+		/* back pressure enable bit for one particular context */
+		__u8 ctxt_bp;
+		/* qib_user_event_ack(), IPATH_EVENT_* bits */
+		__u64 event_mask;
+	} cmd;
+};
+
+struct qib_iovec {
+	/* Pointer to data, but same size 32 and 64 bit */
+	__u64 iov_base;
+
+	/*
+	 * Length of data; don't need 64 bits, but want
+	 * qib_sendpkt to remain same size as before 32 bit changes, so...
+	 */
+	__u64 iov_len;
+};
+
+/*
+ * Describes a single packet for send.  Each packet can have one or more
+ * buffers, but the total length (exclusive of IB headers) must be less
+ * than the MTU, and if using the PIO method, entire packet length,
+ * including IB headers, must be less than the qib_piosize value (words).
+ * Use of this necessitates including sys/uio.h
+ */
+struct __qib_sendpkt {
+	__u32 sps_flags;        /* flags for packet (TBD) */
+	__u32 sps_cnt;          /* number of entries to use in sps_iov */
+	/* array of iov's describing packet. TEMPORARY */
+	struct qib_iovec sps_iov[4];
+};
+
+/*
+ * Diagnostics can send a packet by "writing" the following
+ * structs to the diag data special file.
+ * This allows a custom
+ * pbc (+ static rate) qword, so that special modes and deliberate
+ * changes to CRCs can be used. The elements were also re-ordered
+ * for better alignment and to avoid padding issues.
+ */
+#define _DIAG_XPKT_VERS 3
+struct qib_diag_xpkt {
+	__u16 version;
+	__u16 unit;
+	__u16 port;
+	__u16 len;
+	__u64 data;
+	__u64 pbc_wd;
+};
+
+/*
+ * Data layout in I2C flash (for GUID, etc.)
+ * All fields are little-endian binary unless otherwise stated
+ */
+#define QIB_FLASH_VERSION 2
+struct qib_flash {
+	/* flash layout version (QIB_FLASH_VERSION) */
+	__u8 if_fversion;
+	/* checksum protecting if_length bytes */
+	__u8 if_csum;
+	/*
+	 * valid length (in use, protected by if_csum), including
+	 * if_fversion and if_csum themselves)
+	 */
+	__u8 if_length;
+	/* the GUID, in network order */
+	__u8 if_guid[8];
+	/* number of GUIDs to use, starting from if_guid */
+	__u8 if_numguid;
+	/* the (last 10 characters of) board serial number, in ASCII */
+	char if_serial[12];
+	/* board mfg date (YYYYMMDD ASCII) */
+	char if_mfgdate[8];
+	/* last board rework/test date (YYYYMMDD ASCII) */
+	char if_testdate[8];
+	/* logging of error counts, TBD */
+	__u8 if_errcntp[4];
+	/* powered on hours, updated at driver unload */
+	__u8 if_powerhour[2];
+	/* ASCII free-form comment field */
+	char if_comment[32];
+	/* Backwards compatible prefix for longer QLogic Serial Numbers */
+	char if_sprefix[4];
+	/* 82 bytes used, min flash size is 128 bytes */
+	__u8 if_future[46];
+};
+
+/*
+ * These are the counters implemented in the chip, and are listed in order.
+ * The InterCaps naming is taken straight from the chip spec.
+ */
+struct qlogic_ib_counters {
+	__u64 LBIntCnt;
+	__u64 LBFlowStallCnt;
+	__u64 TxSDmaDescCnt;    /* was Reserved1 */
+	__u64 TxUnsupVLErrCnt;
+	__u64 TxDataPktCnt;
+	__u64 TxFlowPktCnt;
+	__u64 TxDwordCnt;
+	__u64 TxLenErrCnt;
+	__u64 TxMaxMinLenErrCnt;
+	__u64 TxUnderrunCnt;
+	__u64 TxFlowStallCnt;
+	__u64 TxDroppedPktCnt;
+	__u64 RxDroppedPktCnt;
+	__u64 RxDataPktCnt;
+	__u64 RxFlowPktCnt;
+	__u64 RxDwordCnt;
+	__u64 RxLenErrCnt;
+	__u64 RxMaxMinLenErrCnt;
+	__u64 RxICRCErrCnt;
+	__u64 RxVCRCErrCnt;
+	__u64 RxFlowCtrlErrCnt;
+	__u64 RxBadFormatCnt;
+	__u64 RxLinkProblemCnt;
+	__u64 RxEBPCnt;
+	__u64 RxLPCRCErrCnt;
+	__u64 RxBufOvflCnt;
+	__u64 RxTIDFullErrCnt;
+	__u64 RxTIDValidErrCnt;
+	__u64 RxPKeyMismatchCnt;
+	__u64 RxP0HdrEgrOvflCnt;
+	__u64 RxP1HdrEgrOvflCnt;
+	__u64 RxP2HdrEgrOvflCnt;
+	__u64 RxP3HdrEgrOvflCnt;
+	__u64 RxP4HdrEgrOvflCnt;
+	__u64 RxP5HdrEgrOvflCnt;
+	__u64 RxP6HdrEgrOvflCnt;
+	__u64 RxP7HdrEgrOvflCnt;
+	__u64 RxP8HdrEgrOvflCnt;
+	__u64 RxP9HdrEgrOvflCnt;
+	__u64 RxP10HdrEgrOvflCnt;
+	__u64 RxP11HdrEgrOvflCnt;
+	__u64 RxP12HdrEgrOvflCnt;
+	__u64 RxP13HdrEgrOvflCnt;
+	__u64 RxP14HdrEgrOvflCnt;
+	__u64 RxP15HdrEgrOvflCnt;
+	__u64 RxP16HdrEgrOvflCnt;
+	__u64 IBStatusChangeCnt;
+	__u64 IBLinkErrRecoveryCnt;
+	__u64 IBLinkDownedCnt;
+	__u64 IBSymbolErrCnt;
+	__u64 RxVL15DroppedPktCnt;
+	__u64 RxOtherLocalPhyErrCnt;
+	__u64 PcieRetryBufDiagQwordCnt;
+	__u64 ExcessBufferOvflCnt;
+	__u64 LocalLinkIntegrityErrCnt;
+	__u64 RxVlErrCnt;
+	__u64 RxDlidFltrCnt;
+};
+
+/*
+ * The next set of defines are for packet headers, and chip register
+ * and memory bits that are visible to and/or used by user-mode software.
+ */
+
+/* RcvHdrFlags bits */
+#define QLOGIC_IB_RHF_LENGTH_MASK 0x7FF
+#define QLOGIC_IB_RHF_LENGTH_SHIFT 0
+#define QLOGIC_IB_RHF_RCVTYPE_MASK 0x7
+#define QLOGIC_IB_RHF_RCVTYPE_SHIFT 11
+#define QLOGIC_IB_RHF_EGRINDEX_MASK 0xFFF
+#define QLOGIC_IB_RHF_EGRINDEX_SHIFT 16
+#define QLOGIC_IB_RHF_SEQ_MASK 0xF
+#define QLOGIC_IB_RHF_SEQ_SHIFT 0
+#define QLOGIC_IB_RHF_HDRQ_OFFSET_MASK 0x7FF
+#define QLOGIC_IB_RHF_HDRQ_OFFSET_SHIFT 4
+#define QLOGIC_IB_RHF_H_ICRCERR   0x80000000
+#define QLOGIC_IB_RHF_H_VCRCERR   0x40000000
+#define QLOGIC_IB_RHF_H_PARITYERR 0x20000000
+#define QLOGIC_IB_RHF_H_LENERR    0x10000000
+#define QLOGIC_IB_RHF_H_MTUERR    0x08000000
+#define QLOGIC_IB_RHF_H_IHDRERR   0x04000000
+#define QLOGIC_IB_RHF_H_TIDERR    0x02000000
+#define QLOGIC_IB_RHF_H_MKERR     0x01000000
+#define QLOGIC_IB_RHF_H_IBERR     0x00800000
+#define QLOGIC_IB_RHF_H_ERR_MASK  0xFF800000
+#define QLOGIC_IB_RHF_L_USE_EGR   0x80000000
+#define QLOGIC_IB_RHF_L_SWA       0x00008000
+#define QLOGIC_IB_RHF_L_SWB       0x00004000
+
+/* qlogic_ib header fields */
+#define QLOGIC_IB_I_VERS_MASK 0xF
+#define QLOGIC_IB_I_VERS_SHIFT 28
+#define QLOGIC_IB_I_CTXT_MASK 0xF
+#define QLOGIC_IB_I_CTXT_SHIFT 24
+#define QLOGIC_IB_I_TID_MASK 0x7FF
+#define QLOGIC_IB_I_TID_SHIFT 13
+#define QLOGIC_IB_I_OFFSET_MASK 0x1FFF
+#define QLOGIC_IB_I_OFFSET_SHIFT 0
+
+/* K_PktFlags bits */
+#define QLOGIC_IB_KPF_INTR 0x1
+#define QLOGIC_IB_KPF_SUBCTXT_MASK 0x3
+#define QLOGIC_IB_KPF_SUBCTXT_SHIFT 1
+
+#define QLOGIC_IB_MAX_SUBCTXT   4
+
+/* SendPIO per-buffer control */
+#define QLOGIC_IB_SP_TEST    0x40
+#define QLOGIC_IB_SP_TESTEBP 0x20
+#define QLOGIC_IB_SP_TRIGGER_SHIFT  15
+
+/* SendPIOAvail bits */
+#define QLOGIC_IB_SENDPIOAVAIL_BUSY_SHIFT 1
+#define QLOGIC_IB_SENDPIOAVAIL_CHECK_SHIFT 0
+
+/* qlogic_ib header format */
+struct qib_header {
+	/*
+	 * Version - 4 bits, Context - 4 bits, TID - 10 bits and Offset -
+	 * 14 bits before ECO change ~28 Dec 03.  After that, Vers 4,
+	 * Context 4, TID 11, offset 13.
+	 */
+	__le32 ver_ctxt_tid_offset;
+	__le16 chksum;
+	__le16 pkt_flags;
+};
+
+/*
+ * qlogic_ib user message header format.
+ * This structure contains the first 4 fields common to all protocols
+ * that employ qlogic_ib.
+ */
+struct qib_message_header {
+	__be16 lrh[4];
+	__be32 bth[3];
+	/* fields below this point are in host byte order */
+	struct qib_header iph;
+	__u8 sub_opcode;
+};
+
+/* IB - LRH header consts */
+#define QIB_LRH_GRH 0x0003      /* 1. word of IB LRH - next header: GRH */
+#define QIB_LRH_BTH 0x0002      /* 1. word of IB LRH - next header: BTH */
+
+/* misc. */
+#define SIZE_OF_CRC 1
+
+#define QIB_DEFAULT_P_KEY 0xFFFF
+#define QIB_PERMISSIVE_LID 0xFFFF
+#define QIB_AETH_CREDIT_SHIFT 24
+#define QIB_AETH_CREDIT_MASK 0x1F
+#define QIB_AETH_CREDIT_INVAL 0x1F
+#define QIB_PSN_MASK 0xFFFFFF
+#define QIB_MSN_MASK 0xFFFFFF
+#define QIB_QPN_MASK 0xFFFFFF
+#define QIB_MULTICAST_LID_BASE 0xC000
+#define QIB_EAGER_TID_ID QLOGIC_IB_I_TID_MASK
+#define QIB_MULTICAST_QPN 0xFFFFFF
+
+/* Receive Header Queue: receive type (from qlogic_ib) */
+#define RCVHQ_RCV_TYPE_EXPECTED  0
+#define RCVHQ_RCV_TYPE_EAGER     1
+#define RCVHQ_RCV_TYPE_NON_KD    2
+#define RCVHQ_RCV_TYPE_ERROR     3
+
+#define QIB_HEADER_QUEUE_WORDS 9
+
+/* functions for extracting fields from rcvhdrq entries for the driver.
+ */
+static inline __u32 qib_hdrget_err_flags(const __le32 *rbuf)
+{
+	return __le32_to_cpu(rbuf[1]) & QLOGIC_IB_RHF_H_ERR_MASK;
+}
+
+static inline __u32 qib_hdrget_rcv_type(const __le32 *rbuf)
+{
+	return (__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_RCVTYPE_SHIFT) &
+		QLOGIC_IB_RHF_RCVTYPE_MASK;
+}
+
+static inline __u32 qib_hdrget_length_in_bytes(const __le32 *rbuf)
+{
+	return ((__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_LENGTH_SHIFT) &
+		QLOGIC_IB_RHF_LENGTH_MASK) << 2;
+}
+
+static inline __u32 qib_hdrget_index(const __le32 *rbuf)
+{
+	return (__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_EGRINDEX_SHIFT) &
+		QLOGIC_IB_RHF_EGRINDEX_MASK;
+}
+
+static inline __u32 qib_hdrget_seq(const __le32 *rbuf)
+{
+	return (__le32_to_cpu(rbuf[1]) >> QLOGIC_IB_RHF_SEQ_SHIFT) &
+		QLOGIC_IB_RHF_SEQ_MASK;
+}
+
+static inline __u32 qib_hdrget_offset(const __le32 *rbuf)
+{
+	return (__le32_to_cpu(rbuf[1]) >> QLOGIC_IB_RHF_HDRQ_OFFSET_SHIFT) &
+		QLOGIC_IB_RHF_HDRQ_OFFSET_MASK;
+}
+
+static inline __u32 qib_hdrget_use_egr_buf(const __le32 *rbuf)
+{
+	return __le32_to_cpu(rbuf[0]) & QLOGIC_IB_RHF_L_USE_EGR;
+}
+
+static inline __u32 qib_hdrget_qib_ver(__le32 hdrword)
+{
+	return (__le32_to_cpu(hdrword) >> QLOGIC_IB_I_VERS_SHIFT) &
+		QLOGIC_IB_I_VERS_MASK;
+}
+
+#endif                          /* _QIB_COMMON_H */
diff --git a/drivers/infiniband/hw/qib/qib_cq.c b/drivers/infiniband/hw/qib/qib_cq.c
new file mode 100644
index 00000000000..a86cbf880f9
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_cq.c
@@ -0,0 +1,484 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2010 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#include "qib_verbs.h"
+
+/**
+ * qib_cq_enter - add a new entry to the completion queue
+ * @cq: completion queue
+ * @entry: work completion entry to add
+ * @sig: true if @entry is a solicitated entry
+ *
+ * This may be called with qp->s_lock held.
+ */
+void qib_cq_enter(struct qib_cq *cq, struct ib_wc *entry, int solicited)
+{
+	struct qib_cq_wc *wc;
+	unsigned long flags;
+	u32 head;
+	u32 next;
+
+	spin_lock_irqsave(&cq->lock, flags);
+
+	/*
+	 * Note that the head pointer might be writable by user processes.
+	 * Take care to verify it is a sane value.
+	 */
+	wc = cq->queue;
+	head = wc->head;
+	if (head >= (unsigned) cq->ibcq.cqe) {
+		head = cq->ibcq.cqe;
+		next = 0;
+	} else
+		next = head + 1;
+	if (unlikely(next == wc->tail)) {
+		spin_unlock_irqrestore(&cq->lock, flags);
+		if (cq->ibcq.event_handler) {
+			struct ib_event ev;
+
+			ev.device = cq->ibcq.device;
+			ev.element.cq = &cq->ibcq;
+			ev.event = IB_EVENT_CQ_ERR;
+			cq->ibcq.event_handler(&ev, cq->ibcq.cq_context);
+		}
+		return;
+	}
+	if (cq->ip) {
+		wc->uqueue[head].wr_id = entry->wr_id;
+		wc->uqueue[head].status = entry->status;
+		wc->uqueue[head].opcode = entry->opcode;
+		wc->uqueue[head].vendor_err = entry->vendor_err;
+		wc->uqueue[head].byte_len = entry->byte_len;
+		wc->uqueue[head].ex.imm_data =
+			(__u32 __force)entry->ex.imm_data;
+		wc->uqueue[head].qp_num = entry->qp->qp_num;
+		wc->uqueue[head].src_qp = entry->src_qp;
+		wc->uqueue[head].wc_flags = entry->wc_flags;
+		wc->uqueue[head].pkey_index = entry->pkey_index;
+		wc->uqueue[head].slid = entry->slid;
+		wc->uqueue[head].sl = entry->sl;
+		wc->uqueue[head].dlid_path_bits = entry->dlid_path_bits;
+		wc->uqueue[head].port_num = entry->port_num;
+		/* Make sure entry is written before the head index. */
+		smp_wmb();
+	} else
+		wc->kqueue[head] = *entry;
+	wc->head = next;
+
+	if (cq->notify == IB_CQ_NEXT_COMP ||
+	    (cq->notify == IB_CQ_SOLICITED && solicited)) {
+		cq->notify = IB_CQ_NONE;
+		cq->triggered++;
+		/*
+		 * This will cause send_complete() to be called in
+		 * another thread.
+		 */
+		queue_work(qib_cq_wq, &cq->comptask);
+	}
+
+	spin_unlock_irqrestore(&cq->lock, flags);
+}
+
+/**
+ * qib_poll_cq - poll for work completion entries
+ * @ibcq: the completion queue to poll
+ * @num_entries: the maximum number of entries to return
+ * @entry: pointer to array where work completions are placed
+ *
+ * Returns the number of completion entries polled.
+ *
+ * This may be called from interrupt context.  Also called by ib_poll_cq()
+ * in the generic verbs code.
+ */
+int qib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
+{
+	struct qib_cq *cq = to_icq(ibcq);
+	struct qib_cq_wc *wc;
+	unsigned long flags;
+	int npolled;
+	u32 tail;
+
+	/* The kernel can only poll a kernel completion queue */
+	if (cq->ip) {
+		npolled = -EINVAL;
+		goto bail;
+	}
+
+	spin_lock_irqsave(&cq->lock, flags);
+
+	wc = cq->queue;
+	tail = wc->tail;
+	if (tail > (u32) cq->ibcq.cqe)
+		tail = (u32) cq->ibcq.cqe;
+	for (npolled = 0; npolled < num_entries; ++npolled, ++entry) {
+		if (tail == wc->head)
+			break;
+		/* The kernel doesn't need a RMB since it has the lock. */
+		*entry = wc->kqueue[tail];
+		if (tail >= cq->ibcq.cqe)
+			tail = 0;
+		else
+			tail++;
+	}
+	wc->tail = tail;
+
+	spin_unlock_irqrestore(&cq->lock, flags);
+
+bail:
+	return npolled;
+}
+
+static void send_complete(struct work_struct *work)
+{
+	struct qib_cq *cq = container_of(work, struct qib_cq, comptask);
+
+	/*
+	 * The completion handler will most likely rearm the notification
+	 * and poll for all pending entries.  If a new completion entry
+	 * is added while we are in this routine, queue_work()
+	 * won't call us again until we return so we check triggered to
+	 * see if we need to call the handler again.
+	 */
+	for (;;) {
+		u8 triggered = cq->triggered;
+
+		/*
+		 * IPoIB connected mode assumes the callback is from a
+		 * soft IRQ. We simulate this by blocking "bottom halves".
+		 * See the implementation for ipoib_cm_handle_tx_wc(),
+		 * netif_tx_lock_bh() and netif_tx_lock().
+		 */
+		local_bh_disable();
+		cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
+		local_bh_enable();
+
+		if (cq->triggered == triggered)
+			return;
+	}
+}
+
+/**
+ * qib_create_cq - create a completion queue
+ * @ibdev: the device this completion queue is attached to
+ * @entries: the minimum size of the completion queue
+ * @context: unused by the QLogic_IB driver
+ * @udata: user data for libibverbs.so
+ *
+ * Returns a pointer to the completion queue or negative errno values
+ * for failure.
+ *
+ * Called by ib_create_cq() in the generic verbs code.
+ */
+struct ib_cq *qib_create_cq(struct ib_device *ibdev, int entries,
+			    int comp_vector, struct ib_ucontext *context,
+			    struct ib_udata *udata)
+{
+	struct qib_ibdev *dev = to_idev(ibdev);
+	struct qib_cq *cq;
+	struct qib_cq_wc *wc;
+	struct ib_cq *ret;
+	u32 sz;
+
+	if (entries < 1 || entries > ib_qib_max_cqes) {
+		ret = ERR_PTR(-EINVAL);
+		goto done;
+	}
+
+	/* Allocate the completion queue structure. */
+	cq = kmalloc(sizeof(*cq), GFP_KERNEL);
+	if (!cq) {
+		ret = ERR_PTR(-ENOMEM);
+		goto done;
+	}
+
+	/*
+	 * Allocate the completion queue entries and head/tail pointers.
+	 * This is allocated separately so that it can be resized and
+	 * also mapped into user space.
+	 * We need to use vmalloc() in order to support mmap and large
+	 * numbers of entries.
+	 */
+	sz = sizeof(*wc);
+	if (udata && udata->outlen >= sizeof(__u64))
+		sz += sizeof(struct ib_uverbs_wc) * (entries + 1);
+	else
+		sz += sizeof(struct ib_wc) * (entries + 1);
+	wc = vmalloc_user(sz);
+	if (!wc) {
+		ret = ERR_PTR(-ENOMEM);
+		goto bail_cq;
+	}
+
+	/*
+	 * Return the address of the WC as the offset to mmap.
+	 * See qib_mmap() for details.
+	 */
+	if (udata && udata->outlen >= sizeof(__u64)) {
+		int err;
+
+		cq->ip = qib_create_mmap_info(dev, sz, context, wc);
+		if (!cq->ip) {
+			ret = ERR_PTR(-ENOMEM);
+			goto bail_wc;
+		}
+
+		err = ib_copy_to_udata(udata, &cq->ip->offset,
+				       sizeof(cq->ip->offset));
+		if (err) {
+			ret = ERR_PTR(err);
+			goto bail_ip;
+		}
+	} else
+		cq->ip = NULL;
+
+	spin_lock(&dev->n_cqs_lock);
+	if (dev->n_cqs_allocated == ib_qib_max_cqs) {
+		spin_unlock(&dev->n_cqs_lock);
+		ret = ERR_PTR(-ENOMEM);
+		goto bail_ip;
+	}
+
+	dev->n_cqs_allocated++;
+	spin_unlock(&dev->n_cqs_lock);
+
+	if (cq->ip) {
+		spin_lock_irq(&dev->pending_lock);
+		list_add(&cq->ip->pending_mmaps, &dev->pending_mmaps);
+		spin_unlock_irq(&dev->pending_lock);
+	}
+
+	/*
+	 * ib_create_cq() will initialize cq->ibcq except for cq->ibcq.cqe.
+	 * The number of entries should be >= the number requested or return
+	 * an error.
+	 */
+	cq->ibcq.cqe = entries;
+	cq->notify = IB_CQ_NONE;
+	cq->triggered = 0;
+	spin_lock_init(&cq->lock);
+	INIT_WORK(&cq->comptask, send_complete);
+	wc->head = 0;
+	wc->tail = 0;
+	cq->queue = wc;
+
+	ret = &cq->ibcq;
+
+	goto done;
+
+bail_ip:
+	kfree(cq->ip);
+bail_wc:
+	vfree(wc);
+bail_cq:
+	kfree(cq);
+done:
+	return ret;
+}
+
+/**
+ * qib_destroy_cq - destroy a completion queue
+ * @ibcq: the completion queue to destroy.
+ *
+ * Returns 0 for success.
+ *
+ * Called by ib_destroy_cq() in the generic verbs code.
+ */
+int qib_destroy_cq(struct ib_cq *ibcq)
+{
+	struct qib_ibdev *dev = to_idev(ibcq->device);
+	struct qib_cq *cq = to_icq(ibcq);
+
+	flush_work(&cq->comptask);
+	spin_lock(&dev->n_cqs_lock);
+	dev->n_cqs_allocated--;
+	spin_unlock(&dev->n_cqs_lock);
+	if (cq->ip)
+		kref_put(&cq->ip->ref, qib_release_mmap_info);
+	else
+		vfree(cq->queue);
+	kfree(cq);
+
+	return 0;
+}
+
+/**
+ * qib_req_notify_cq - change the notification type for a completion queue
+ * @ibcq: the completion queue
+ * @notify_flags: the type of notification to request
+ *
+ * Returns 0 for success.
+ *
+ * This may be called from interrupt context.  Also called by
+ * ib_req_notify_cq() in the generic verbs code.
+ */
+int qib_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags)
+{
+	struct qib_cq *cq = to_icq(ibcq);
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&cq->lock, flags);
+	/*
+	 * Don't change IB_CQ_NEXT_COMP to IB_CQ_SOLICITED but allow
+	 * any other transitions (see C11-31 and C11-32 in ch. 11.4.2.2).
+	 */
+	if (cq->notify != IB_CQ_NEXT_COMP)
+		cq->notify = notify_flags & IB_CQ_SOLICITED_MASK;
+
+	if ((notify_flags & IB_CQ_REPORT_MISSED_EVENTS) &&
+	    cq->queue->head != cq->queue->tail)
+		ret = 1;
+
+	spin_unlock_irqrestore(&cq->lock, flags);
+
+	return ret;
+}
+
+/**
+ * qib_resize_cq - change the size of the CQ
+ * @ibcq: the completion queue
+ *
+ * Returns 0 for success.
+ */
+int qib_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
+{
+	struct qib_cq *cq = to_icq(ibcq);
+	struct qib_cq_wc *old_wc;
+	struct qib_cq_wc *wc;
+	u32 head, tail, n;
+	int ret;
+	u32 sz;
+
+	if (cqe < 1 || cqe > ib_qib_max_cqes) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	/*
+	 * Need to use vmalloc() if we want to support large #s of entries.
+	 */
+	sz = sizeof(*wc);
+	if (udata && udata->outlen >= sizeof(__u64))
+		sz += sizeof(struct ib_uverbs_wc) * (cqe + 1);
+	else
+		sz += sizeof(struct ib_wc) * (cqe + 1);
+	wc = vmalloc_user(sz);
+	if (!wc) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	/* Check that we can write the offset to mmap. */
+	if (udata && udata->outlen >= sizeof(__u64)) {
+		__u64 offset = 0;
+
+		ret = ib_copy_to_udata(udata, &offset, sizeof(offset));
+		if (ret)
+			goto bail_free;
+	}
+
+	spin_lock_irq(&cq->lock);
+	/*
+	 * Make sure head and tail are sane since they
+	 * might be user writable.
+	 */
+	old_wc = cq->queue;
+	head = old_wc->head;
+	if (head > (u32) cq->ibcq.cqe)
+		head = (u32) cq->ibcq.cqe;
+	tail = old_wc->tail;
+	if (tail > (u32) cq->ibcq.cqe)
+		tail = (u32) cq->ibcq.cqe;
+	if (head < tail)
+		n = cq->ibcq.cqe + 1 + head - tail;
+	else
+		n = head - tail;
+	if (unlikely((u32)cqe < n)) {
+		ret = -EINVAL;
+		goto bail_unlock;
+	}
+	for (n = 0; tail != head; n++) {
+		if (cq->ip)
+			wc->uqueue[n] = old_wc->uqueue[tail];
+		else
+			wc->kqueue[n] = old_wc->kqueue[tail];
+		if (tail == (u32) cq->ibcq.cqe)
+			tail = 0;
+		else
+			tail++;
+	}
+	cq->ibcq.cqe = cqe;
+	wc->head = n;
+	wc->tail = 0;
+	cq->queue = wc;
+	spin_unlock_irq(&cq->lock);
+
+	vfree(old_wc);
+
+	if (cq->ip) {
+		struct qib_ibdev *dev = to_idev(ibcq->device);
+		struct qib_mmap_info *ip = cq->ip;
+
+		qib_update_mmap_info(dev, ip, sz, wc);
+
+		/*
+		 * Return the offset to mmap.
+		 * See qib_mmap() for details.
+		 */
+		if (udata && udata->outlen >= sizeof(__u64)) {
+			ret = ib_copy_to_udata(udata, &ip->offset,
+					       sizeof(ip->offset));
+			if (ret)
+				goto bail;
+		}
+
+		spin_lock_irq(&dev->pending_lock);
+		if (list_empty(&ip->pending_mmaps))
+			list_add(&ip->pending_mmaps, &dev->pending_mmaps);
+		spin_unlock_irq(&dev->pending_lock);
+	}
+
+	ret = 0;
+	goto bail;
+
+bail_unlock:
+	spin_unlock_irq(&cq->lock);
+bail_free:
+	vfree(wc);
+bail:
+	return ret;
+}
diff --git a/drivers/infiniband/hw/qib/qib_diag.c b/drivers/infiniband/hw/qib/qib_diag.c
new file mode 100644
index 00000000000..ca98dd52375
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_diag.c
@@ -0,0 +1,894 @@
+/*
+ * Copyright (c) 2010 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This file contains support for diagnostic functions.  It is accessed by
+ * opening the qib_diag device, normally minor number 129.  Diagnostic use
+ * of the QLogic_IB chip may render the chip or board unusable until the
+ * driver is unloaded, or in some cases, until the system is rebooted.
+ *
+ * Accesses to the chip through this interface are not similar to going
+ * through the /sys/bus/pci resource mmap interface.
+ */
+
+#include <linux/io.h>
+#include <linux/pci.h>
+#include <linux/poll.h>
+#include <linux/vmalloc.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+
+#include "qib.h"
+#include "qib_common.h"
+
+/*
+ * Each client that opens the diag device must read then write
+ * offset 0, to prevent lossage from random cat or od. diag_state
+ * sequences this "handshake".
+ */
+enum diag_state { UNUSED = 0, OPENED, INIT, READY };
+
+/* State for an individual client. PID so children cannot abuse handshake */
+static struct qib_diag_client {
+	struct qib_diag_client *next;
+	struct qib_devdata *dd;
+	pid_t pid;
+	enum diag_state state;
+} *client_pool;
+
+/*
+ * Get a client struct. Recycled if possible, else kmalloc.
+ * Must be called with qib_mutex held
+ */
+static struct qib_diag_client *get_client(struct qib_devdata *dd)
+{
+	struct qib_diag_client *dc;
+
+	dc = client_pool;
+	if (dc)
+		/* got from pool remove it and use */
+		client_pool = dc->next;
+	else
+		/* None in pool, alloc and init */
+		dc = kmalloc(sizeof *dc, GFP_KERNEL);
+
+	if (dc) {
+		dc->next = NULL;
+		dc->dd = dd;
+		dc->pid = current->pid;
+		dc->state = OPENED;
+	}
+	return dc;
+}
+
+/*
+ * Return to pool. Must be called with qib_mutex held
+ */
+static void return_client(struct qib_diag_client *dc)
+{
+	struct qib_devdata *dd = dc->dd;
+	struct qib_diag_client *tdc, *rdc;
+
+	rdc = NULL;
+	if (dc == dd->diag_client) {
+		dd->diag_client = dc->next;
+		rdc = dc;
+	} else {
+		tdc = dc->dd->diag_client;
+		while (tdc) {
+			if (dc == tdc->next) {
+				tdc->next = dc->next;
+				rdc = dc;
+				break;
+			}
+			tdc = tdc->next;
+		}
+	}
+	if (rdc) {
+		rdc->state = UNUSED;
+		rdc->dd = NULL;
+		rdc->pid = 0;
+		rdc->next = client_pool;
+		client_pool = rdc;
+	}
+}
+
+static int qib_diag_open(struct inode *in, struct file *fp);
+static int qib_diag_release(struct inode *in, struct file *fp);
+static ssize_t qib_diag_read(struct file *fp, char __user *data,
+			     size_t count, loff_t *off);
+static ssize_t qib_diag_write(struct file *fp, const char __user *data,
+			      size_t count, loff_t *off);
+
+static const struct file_operations diag_file_ops = {
+	.owner = THIS_MODULE,
+	.write = qib_diag_write,
+	.read = qib_diag_read,
+	.open = qib_diag_open,
+	.release = qib_diag_release
+};
+
+static atomic_t diagpkt_count = ATOMIC_INIT(0);
+static struct cdev *diagpkt_cdev;
+static struct device *diagpkt_device;
+
+static ssize_t qib_diagpkt_write(struct file *fp, const char __user *data,
+				 size_t count, loff_t *off);
+
+static const struct file_operations diagpkt_file_ops = {
+	.owner = THIS_MODULE,
+	.write = qib_diagpkt_write,
+};
+
+int qib_diag_add(struct qib_devdata *dd)
+{
+	char name[16];
+	int ret = 0;
+
+	if (atomic_inc_return(&diagpkt_count) == 1) {
+		ret = qib_cdev_init(QIB_DIAGPKT_MINOR, "ipath_diagpkt",
+				    &diagpkt_file_ops, &diagpkt_cdev,
+				    &diagpkt_device);
+		if (ret)
+			goto done;
+	}
+
+	snprintf(name, sizeof(name), "ipath_diag%d", dd->unit);
+	ret = qib_cdev_init(QIB_DIAG_MINOR_BASE + dd->unit, name,
+			    &diag_file_ops, &dd->diag_cdev,
+			    &dd->diag_device);
+done:
+	return ret;
+}
+
+static void qib_unregister_observers(struct qib_devdata *dd);
+
+void qib_diag_remove(struct qib_devdata *dd)
+{
+	struct qib_diag_client *dc;
+
+	if (atomic_dec_and_test(&diagpkt_count))
+		qib_cdev_cleanup(&diagpkt_cdev, &diagpkt_device);
+
+	qib_cdev_cleanup(&dd->diag_cdev, &dd->diag_device);
+
+	/*
+	 * Return all diag_clients of this device. There should be none,
+	 * as we are "guaranteed" that no clients are still open
+	 */
+	while (dd->diag_client)
+		return_client(dd->diag_client);
+
+	/* Now clean up all unused client structs */
+	while (client_pool) {
+		dc = client_pool;
+		client_pool = dc->next;
+		kfree(dc);
+	}
+	/* Clean up observer list */
+	qib_unregister_observers(dd);
+}
+
+/* qib_remap_ioaddr32 - remap an offset into chip address space to __iomem *
+ *
+ * @dd: the qlogic_ib device
+ * @offs: the offset in chip-space
+ * @cntp: Pointer to max (byte) count for transfer starting at offset
+ * This returns a u32 __iomem * so it can be used for both 64 and 32-bit
+ * mapping. It is needed because with the use of PAT for control of
+ * write-combining, the logically contiguous address-space of the chip
+ * may be split into virtually non-contiguous spaces, with different
+ * attributes, which are them mapped to contiguous physical space
+ * based from the first BAR.
+ *
+ * The code below makes the same assumptions as were made in
+ * init_chip_wc_pat() (qib_init.c), copied here:
+ * Assumes chip address space looks like:
+ *		- kregs + sregs + cregs + uregs (in any order)
+ *		- piobufs (2K and 4K bufs in either order)
+ *	or:
+ *		- kregs + sregs + cregs (in any order)
+ *		- piobufs (2K and 4K bufs in either order)
+ *		- uregs
+ *
+ * If cntp is non-NULL, returns how many bytes from offset can be accessed
+ * Returns 0 if the offset is not mapped.
+ */
+static u32 __iomem *qib_remap_ioaddr32(struct qib_devdata *dd, u32 offset,
+				       u32 *cntp)
+{
+	u32 kreglen;
+	u32 snd_bottom, snd_lim = 0;
+	u32 __iomem *krb32 = (u32 __iomem *)dd->kregbase;
+	u32 __iomem *map = NULL;
+	u32 cnt = 0;
+
+	/* First, simplest case, offset is within the first map. */
+	kreglen = (dd->kregend - dd->kregbase) * sizeof(u64);
+	if (offset < kreglen) {
+		map = krb32 + (offset / sizeof(u32));
+		cnt = kreglen - offset;
+		goto mapped;
+	}
+
+	/*
+	 * Next check for user regs, the next most common case,
+	 * and a cheap check because if they are not in the first map
+	 * they are last in chip.
+	 */
+	if (dd->userbase) {
+		/* If user regs mapped, they are after send, so set limit. */
+		u32 ulim = (dd->cfgctxts * dd->ureg_align) + dd->uregbase;
+		snd_lim = dd->uregbase;
+		krb32 = (u32 __iomem *)dd->userbase;
+		if (offset >= dd->uregbase && offset < ulim) {
+			map = krb32 + (offset - dd->uregbase) / sizeof(u32);
+			cnt = ulim - offset;
+			goto mapped;
+		}
+	}
+
+	/*
+	 * Lastly, check for offset within Send Buffers.
+	 * This is gnarly because struct devdata is deliberately vague
+	 * about things like 7322 VL15 buffers, and we are not in
+	 * chip-specific code here, so should not make many assumptions.
+	 * The one we _do_ make is that the only chip that has more sndbufs
+	 * than we admit is the 7322, and it has userregs above that, so
+	 * we know the snd_lim.
+	 */
+	/* Assume 2K buffers are first. */
+	snd_bottom = dd->pio2k_bufbase;
+	if (snd_lim == 0) {
+		u32 tot2k = dd->piobcnt2k * ALIGN(dd->piosize2k, dd->palign);
+		snd_lim = snd_bottom + tot2k;
+	}
+	/* If 4k buffers exist, account for them by bumping
+	 * appropriate limit.
+	 */
+	if (dd->piobcnt4k) {
+		u32 tot4k = dd->piobcnt4k * dd->align4k;
+		u32 offs4k = dd->piobufbase >> 32;
+		if (snd_bottom > offs4k)
+			snd_bottom = offs4k;
+		else {
+			/* 4k above 2k. Bump snd_lim, if needed*/
+			if (!dd->userbase)
+				snd_lim = offs4k + tot4k;
+		}
+	}
+	/*
+	 * Judgement call: can we ignore the space between SendBuffs and
+	 * UserRegs, where we would like to see vl15 buffs, but not more?
+	 */
+	if (offset >= snd_bottom && offset < snd_lim) {
+		offset -= snd_bottom;
+		map = (u32 __iomem *)dd->piobase + (offset / sizeof(u32));
+		cnt = snd_lim - offset;
+	}
+
+mapped:
+	if (cntp)
+		*cntp = cnt;
+	return map;
+}
+
+/*
+ * qib_read_umem64 - read a 64-bit quantity from the chip into user space
+ * @dd: the qlogic_ib device
+ * @uaddr: the location to store the data in user memory
+ * @regoffs: the offset from BAR0 (_NOT_ full pointer, anymore)
+ * @count: number of bytes to copy (multiple of 32 bits)
+ *
+ * This function also localizes all chip memory accesses.
+ * The copy should be written such that we read full cacheline packets
+ * from the chip.  This is usually used for a single qword
+ *
+ * NOTE:  This assumes the chip address is 64-bit aligned.
+ */
+static int qib_read_umem64(struct qib_devdata *dd, void __user *uaddr,
+			   u32 regoffs, size_t count)
+{
+	const u64 __iomem *reg_addr;
+	const u64 __iomem *reg_end;
+	u32 limit;
+	int ret;
+
+	reg_addr = (const u64 __iomem *)qib_remap_ioaddr32(dd, regoffs, &limit);
+	if (reg_addr == NULL || limit == 0 || !(dd->flags & QIB_PRESENT)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	if (count >= limit)
+		count = limit;
+	reg_end = reg_addr + (count / sizeof(u64));
+
+	/* not very efficient, but it works for now */
+	while (reg_addr < reg_end) {
+		u64 data = readq(reg_addr);
+
+		if (copy_to_user(uaddr, &data, sizeof(u64))) {
+			ret = -EFAULT;
+			goto bail;
+		}
+		reg_addr++;
+		uaddr += sizeof(u64);
+	}
+	ret = 0;
+bail:
+	return ret;
+}
+
+/*
+ * qib_write_umem64 - write a 64-bit quantity to the chip from user space
+ * @dd: the qlogic_ib device
+ * @regoffs: the offset from BAR0 (_NOT_ full pointer, anymore)
+ * @uaddr: the source of the data in user memory
+ * @count: the number of bytes to copy (multiple of 32 bits)
+ *
+ * This is usually used for a single qword
+ * NOTE:  This assumes the chip address is 64-bit aligned.
+ */
+
+static int qib_write_umem64(struct qib_devdata *dd, u32 regoffs,
+			    const void __user *uaddr, size_t count)
+{
+	u64 __iomem *reg_addr;
+	const u64 __iomem *reg_end;
+	u32 limit;
+	int ret;
+
+	reg_addr = (u64 __iomem *)qib_remap_ioaddr32(dd, regoffs, &limit);
+	if (reg_addr == NULL || limit == 0 || !(dd->flags & QIB_PRESENT)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	if (count >= limit)
+		count = limit;
+	reg_end = reg_addr + (count / sizeof(u64));
+
+	/* not very efficient, but it works for now */
+	while (reg_addr < reg_end) {
+		u64 data;
+		if (copy_from_user(&data, uaddr, sizeof(data))) {
+			ret = -EFAULT;
+			goto bail;
+		}
+		writeq(data, reg_addr);
+
+		reg_addr++;
+		uaddr += sizeof(u64);
+	}
+	ret = 0;
+bail:
+	return ret;
+}
+
+/*
+ * qib_read_umem32 - read a 32-bit quantity from the chip into user space
+ * @dd: the qlogic_ib device
+ * @uaddr: the location to store the data in user memory
+ * @regoffs: the offset from BAR0 (_NOT_ full pointer, anymore)
+ * @count: number of bytes to copy
+ *
+ * read 32 bit values, not 64 bit; for memories that only
+ * support 32 bit reads; usually a single dword.
+ */
+static int qib_read_umem32(struct qib_devdata *dd, void __user *uaddr,
+			   u32 regoffs, size_t count)
+{
+	const u32 __iomem *reg_addr;
+	const u32 __iomem *reg_end;
+	u32 limit;
+	int ret;
+
+	reg_addr = qib_remap_ioaddr32(dd, regoffs, &limit);
+	if (reg_addr == NULL || limit == 0 || !(dd->flags & QIB_PRESENT)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	if (count >= limit)
+		count = limit;
+	reg_end = reg_addr + (count / sizeof(u32));
+
+	/* not very efficient, but it works for now */
+	while (reg_addr < reg_end) {
+		u32 data = readl(reg_addr);
+
+		if (copy_to_user(uaddr, &data, sizeof(data))) {
+			ret = -EFAULT;
+			goto bail;
+		}
+
+		reg_addr++;
+		uaddr += sizeof(u32);
+
+	}
+	ret = 0;
+bail:
+	return ret;
+}
+
+/*
+ * qib_write_umem32 - write a 32-bit quantity to the chip from user space
+ * @dd: the qlogic_ib device
+ * @regoffs: the offset from BAR0 (_NOT_ full pointer, anymore)
+ * @uaddr: the source of the data in user memory
+ * @count: number of bytes to copy
+ *
+ * write 32 bit values, not 64 bit; for memories that only
+ * support 32 bit write; usually a single dword.
+ */
+
+static int qib_write_umem32(struct qib_devdata *dd, u32 regoffs,
+			    const void __user *uaddr, size_t count)
+{
+	u32 __iomem *reg_addr;
+	const u32 __iomem *reg_end;
+	u32 limit;
+	int ret;
+
+	reg_addr = qib_remap_ioaddr32(dd, regoffs, &limit);
+	if (reg_addr == NULL || limit == 0 || !(dd->flags & QIB_PRESENT)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	if (count >= limit)
+		count = limit;
+	reg_end = reg_addr + (count / sizeof(u32));
+
+	while (reg_addr < reg_end) {
+		u32 data;
+
+		if (copy_from_user(&data, uaddr, sizeof(data))) {
+			ret = -EFAULT;
+			goto bail;
+		}
+		writel(data, reg_addr);
+
+		reg_addr++;
+		uaddr += sizeof(u32);
+	}
+	ret = 0;
+bail:
+	return ret;
+}
+
+static int qib_diag_open(struct inode *in, struct file *fp)
+{
+	int unit = iminor(in) - QIB_DIAG_MINOR_BASE;
+	struct qib_devdata *dd;
+	struct qib_diag_client *dc;
+	int ret;
+
+	mutex_lock(&qib_mutex);
+
+	dd = qib_lookup(unit);
+
+	if (dd == NULL || !(dd->flags & QIB_PRESENT) ||
+	    !dd->kregbase) {
+		ret = -ENODEV;
+		goto bail;
+	}
+
+	dc = get_client(dd);
+	if (!dc) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+	dc->next = dd->diag_client;
+	dd->diag_client = dc;
+	fp->private_data = dc;
+	ret = 0;
+bail:
+	mutex_unlock(&qib_mutex);
+
+	return ret;
+}
+
+/**
+ * qib_diagpkt_write - write an IB packet
+ * @fp: the diag data device file pointer
+ * @data: qib_diag_pkt structure saying where to get the packet
+ * @count: size of data to write
+ * @off: unused by this code
+ */
+static ssize_t qib_diagpkt_write(struct file *fp,
+				 const char __user *data,
+				 size_t count, loff_t *off)
+{
+	u32 __iomem *piobuf;
+	u32 plen, clen, pbufn;
+	struct qib_diag_xpkt dp;
+	u32 *tmpbuf = NULL;
+	struct qib_devdata *dd;
+	struct qib_pportdata *ppd;
+	ssize_t ret = 0;
+
+	if (count != sizeof(dp)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	if (copy_from_user(&dp, data, sizeof(dp))) {
+		ret = -EFAULT;
+		goto bail;
+	}
+
+	dd = qib_lookup(dp.unit);
+	if (!dd || !(dd->flags & QIB_PRESENT) || !dd->kregbase) {
+		ret = -ENODEV;
+		goto bail;
+	}
+	if (!(dd->flags & QIB_INITTED)) {
+		/* no hardware, freeze, etc. */
+		ret = -ENODEV;
+		goto bail;
+	}
+
+	if (dp.version != _DIAG_XPKT_VERS) {
+		qib_dev_err(dd, "Invalid version %u for diagpkt_write\n",
+			    dp.version);
+		ret = -EINVAL;
+		goto bail;
+	}
+	/* send count must be an exact number of dwords */
+	if (dp.len & 3) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	if (!dp.port || dp.port > dd->num_pports) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	ppd = &dd->pport[dp.port - 1];
+
+	/* need total length before first word written */
+	/* +1 word is for the qword padding */
+	plen = sizeof(u32) + dp.len;
+	clen = dp.len >> 2;
+
+	if ((plen + 4) > ppd->ibmaxlen) {
+		ret = -EINVAL;
+		goto bail;      /* before writing pbc */
+	}
+	tmpbuf = vmalloc(plen);
+	if (!tmpbuf) {
+		qib_devinfo(dd->pcidev, "Unable to allocate tmp buffer, "
+			 "failing\n");
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	if (copy_from_user(tmpbuf,
+			   (const void __user *) (unsigned long) dp.data,
+			   dp.len)) {
+		ret = -EFAULT;
+		goto bail;
+	}
+
+	plen >>= 2;             /* in dwords */
+
+	if (dp.pbc_wd == 0)
+		dp.pbc_wd = plen;
+
+	piobuf = dd->f_getsendbuf(ppd, dp.pbc_wd, &pbufn);
+	if (!piobuf) {
+		ret = -EBUSY;
+		goto bail;
+	}
+	/* disarm it just to be extra sure */
+	dd->f_sendctrl(dd->pport, QIB_SENDCTRL_DISARM_BUF(pbufn));
+
+	/* disable header check on pbufn for this packet */
+	dd->f_txchk_change(dd, pbufn, 1, TXCHK_CHG_TYPE_DIS1, NULL);
+
+	writeq(dp.pbc_wd, piobuf);
+	/*
+	 * Copy all but the trigger word, then flush, so it's written
+	 * to chip before trigger word, then write trigger word, then
+	 * flush again, so packet is sent.
+	 */
+	if (dd->flags & QIB_PIO_FLUSH_WC) {
+		qib_flush_wc();
+		qib_pio_copy(piobuf + 2, tmpbuf, clen - 1);
+		qib_flush_wc();
+		__raw_writel(tmpbuf[clen - 1], piobuf + clen + 1);
+	} else
+		qib_pio_copy(piobuf + 2, tmpbuf, clen);
+
+	if (dd->flags & QIB_USE_SPCL_TRIG) {
+		u32 spcl_off = (pbufn >= dd->piobcnt2k) ? 2047 : 1023;
+
+		qib_flush_wc();
+		__raw_writel(0xaebecede, piobuf + spcl_off);
+	}
+
+	/*
+	 * Ensure buffer is written to the chip, then re-enable
+	 * header checks (if supported by chip).  The txchk
+	 * code will ensure seen by chip before returning.
+	 */
+	qib_flush_wc();
+	qib_sendbuf_done(dd, pbufn);
+	dd->f_txchk_change(dd, pbufn, 1, TXCHK_CHG_TYPE_ENAB1, NULL);
+
+	ret = sizeof(dp);
+
+bail:
+	vfree(tmpbuf);
+	return ret;
+}
+
+static int qib_diag_release(struct inode *in, struct file *fp)
+{
+	mutex_lock(&qib_mutex);
+	return_client(fp->private_data);
+	fp->private_data = NULL;
+	mutex_unlock(&qib_mutex);
+	return 0;
+}
+
+/*
+ * Chip-specific code calls to register its interest in
+ * a specific range.
+ */
+struct diag_observer_list_elt {
+	struct diag_observer_list_elt *next;
+	const struct diag_observer *op;
+};
+
+int qib_register_observer(struct qib_devdata *dd,
+			  const struct diag_observer *op)
+{
+	struct diag_observer_list_elt *olp;
+	int ret = -EINVAL;
+
+	if (!dd || !op)
+		goto bail;
+	ret = -ENOMEM;
+	olp = vmalloc(sizeof *olp);
+	if (!olp) {
+		printk(KERN_ERR QIB_DRV_NAME ": vmalloc for observer failed\n");
+		goto bail;
+	}
+	if (olp) {
+		unsigned long flags;
+
+		spin_lock_irqsave(&dd->qib_diag_trans_lock, flags);
+		olp->op = op;
+		olp->next = dd->diag_observer_list;
+		dd->diag_observer_list = olp;
+		spin_unlock_irqrestore(&dd->qib_diag_trans_lock, flags);
+		ret = 0;
+	}
+bail:
+	return ret;
+}
+
+/* Remove all registered observers when device is closed */
+static void qib_unregister_observers(struct qib_devdata *dd)
+{
+	struct diag_observer_list_elt *olp;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->qib_diag_trans_lock, flags);
+	olp = dd->diag_observer_list;
+	while (olp) {
+		/* Pop one observer, let go of lock */
+		dd->diag_observer_list = olp->next;
+		spin_unlock_irqrestore(&dd->qib_diag_trans_lock, flags);
+		vfree(olp);
+		/* try again. */
+		spin_lock_irqsave(&dd->qib_diag_trans_lock, flags);
+		olp = dd->diag_observer_list;
+	}
+	spin_unlock_irqrestore(&dd->qib_diag_trans_lock, flags);
+}
+
+/*
+ * Find the observer, if any, for the specified address. Initial implementation
+ * is simple stack of observers. This must be called with diag transaction
+ * lock held.
+ */
+static const struct diag_observer *diag_get_observer(struct qib_devdata *dd,
+						     u32 addr)
+{
+	struct diag_observer_list_elt *olp;
+	const struct diag_observer *op = NULL;
+
+	olp = dd->diag_observer_list;
+	while (olp) {
+		op = olp->op;
+		if (addr >= op->bottom && addr <= op->top)
+			break;
+		olp = olp->next;
+	}
+	if (!olp)
+		op = NULL;
+
+	return op;
+}
+
+static ssize_t qib_diag_read(struct file *fp, char __user *data,
+			     size_t count, loff_t *off)
+{
+	struct qib_diag_client *dc = fp->private_data;
+	struct qib_devdata *dd = dc->dd;
+	void __iomem *kreg_base;
+	ssize_t ret;
+
+	if (dc->pid != current->pid) {
+		ret = -EPERM;
+		goto bail;
+	}
+
+	kreg_base = dd->kregbase;
+
+	if (count == 0)
+		ret = 0;
+	else if ((count % 4) || (*off % 4))
+		/* address or length is not 32-bit aligned, hence invalid */
+		ret = -EINVAL;
+	else if (dc->state < READY && (*off || count != 8))
+		ret = -EINVAL;  /* prevent cat /dev/qib_diag* */
+	else {
+		unsigned long flags;
+		u64 data64 = 0;
+		int use_32;
+		const struct diag_observer *op;
+
+		use_32 = (count % 8) || (*off % 8);
+		ret = -1;
+		spin_lock_irqsave(&dd->qib_diag_trans_lock, flags);
+		/*
+		 * Check for observer on this address range.
+		 * we only support a single 32 or 64-bit read
+		 * via observer, currently.
+		 */
+		op = diag_get_observer(dd, *off);
+		if (op) {
+			u32 offset = *off;
+			ret = op->hook(dd, op, offset, &data64, 0, use_32);
+		}
+		/*
+		 * We need to release lock before any copy_to_user(),
+		 * whether implicit in qib_read_umem* or explicit below.
+		 */
+		spin_unlock_irqrestore(&dd->qib_diag_trans_lock, flags);
+		if (!op) {
+			if (use_32)
+				/*
+				 * Address or length is not 64-bit aligned;
+				 * do 32-bit rd
+				 */
+				ret = qib_read_umem32(dd, data, (u32) *off,
+						      count);
+			else
+				ret = qib_read_umem64(dd, data, (u32) *off,
+						      count);
+		} else if (ret == count) {
+			/* Below finishes case where observer existed */
+			ret = copy_to_user(data, &data64, use_32 ?
+					   sizeof(u32) : sizeof(u64));
+			if (ret)
+				ret = -EFAULT;
+		}
+	}
+
+	if (ret >= 0) {
+		*off += count;
+		ret = count;
+		if (dc->state == OPENED)
+			dc->state = INIT;
+	}
+bail:
+	return ret;
+}
+
+static ssize_t qib_diag_write(struct file *fp, const char __user *data,
+			      size_t count, loff_t *off)
+{
+	struct qib_diag_client *dc = fp->private_data;
+	struct qib_devdata *dd = dc->dd;
+	void __iomem *kreg_base;
+	ssize_t ret;
+
+	if (dc->pid != current->pid) {
+		ret = -EPERM;
+		goto bail;
+	}
+
+	kreg_base = dd->kregbase;
+
+	if (count == 0)
+		ret = 0;
+	else if ((count % 4) || (*off % 4))
+		/* address or length is not 32-bit aligned, hence invalid */
+		ret = -EINVAL;
+	else if (dc->state < READY &&
+		((*off || count != 8) || dc->state != INIT))
+		/* No writes except second-step of init seq */
+		ret = -EINVAL;  /* before any other write allowed */
+	else {
+		unsigned long flags;
+		const struct diag_observer *op = NULL;
+		int use_32 =  (count % 8) || (*off % 8);
+
+		/*
+		 * Check for observer on this address range.
+		 * We only support a single 32 or 64-bit write
+		 * via observer, currently. This helps, because
+		 * we would otherwise have to jump through hoops
+		 * to make "diag transaction" meaningful when we
+		 * cannot do a copy_from_user while holding the lock.
+		 */
+		if (count == 4 || count == 8) {
+			u64 data64;
+			u32 offset = *off;
+			ret = copy_from_user(&data64, data, count);
+			if (ret) {
+				ret = -EFAULT;
+				goto bail;
+			}
+			spin_lock_irqsave(&dd->qib_diag_trans_lock, flags);
+			op = diag_get_observer(dd, *off);
+			if (op)
+				ret = op->hook(dd, op, offset, &data64, ~0Ull,
+					       use_32);
+			spin_unlock_irqrestore(&dd->qib_diag_trans_lock, flags);
+		}
+
+		if (!op) {
+			if (use_32)
+				/*
+				 * Address or length is not 64-bit aligned;
+				 * do 32-bit write
+				 */
+				ret = qib_write_umem32(dd, (u32) *off, data,
+						       count);
+			else
+				ret = qib_write_umem64(dd, (u32) *off, data,
+						       count);
+		}
+	}
+
+	if (ret >= 0) {
+		*off += count;
+		ret = count;
+		if (dc->state == INIT)
+			dc->state = READY; /* all read/write OK now */
+	}
+bail:
+	return ret;
+}
diff --git a/drivers/infiniband/hw/qib/qib_dma.c b/drivers/infiniband/hw/qib/qib_dma.c
new file mode 100644
index 00000000000..2920bb39a65
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_dma.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2006, 2009, 2010 QLogic, Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/types.h>
+#include <linux/scatterlist.h>
+
+#include "qib_verbs.h"
+
+#define BAD_DMA_ADDRESS ((u64) 0)
+
+/*
+ * The following functions implement driver specific replacements
+ * for the ib_dma_*() functions.
+ *
+ * These functions return kernel virtual addresses instead of
+ * device bus addresses since the driver uses the CPU to copy
+ * data instead of using hardware DMA.
+ */
+
+static int qib_mapping_error(struct ib_device *dev, u64 dma_addr)
+{
+	return dma_addr == BAD_DMA_ADDRESS;
+}
+
+static u64 qib_dma_map_single(struct ib_device *dev, void *cpu_addr,
+			      size_t size, enum dma_data_direction direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	return (u64) cpu_addr;
+}
+
+static void qib_dma_unmap_single(struct ib_device *dev, u64 addr, size_t size,
+				 enum dma_data_direction direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+}
+
+static u64 qib_dma_map_page(struct ib_device *dev, struct page *page,
+			    unsigned long offset, size_t size,
+			    enum dma_data_direction direction)
+{
+	u64 addr;
+
+	BUG_ON(!valid_dma_direction(direction));
+
+	if (offset + size > PAGE_SIZE) {
+		addr = BAD_DMA_ADDRESS;
+		goto done;
+	}
+
+	addr = (u64) page_address(page);
+	if (addr)
+		addr += offset;
+	/* TODO: handle highmem pages */
+
+done:
+	return addr;
+}
+
+static void qib_dma_unmap_page(struct ib_device *dev, u64 addr, size_t size,
+			       enum dma_data_direction direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+}
+
+static int qib_map_sg(struct ib_device *dev, struct scatterlist *sgl,
+		      int nents, enum dma_data_direction direction)
+{
+	struct scatterlist *sg;
+	u64 addr;
+	int i;
+	int ret = nents;
+
+	BUG_ON(!valid_dma_direction(direction));
+
+	for_each_sg(sgl, sg, nents, i) {
+		addr = (u64) page_address(sg_page(sg));
+		/* TODO: handle highmem pages */
+		if (!addr) {
+			ret = 0;
+			break;
+		}
+	}
+	return ret;
+}
+
+static void qib_unmap_sg(struct ib_device *dev,
+			 struct scatterlist *sg, int nents,
+			 enum dma_data_direction direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+}
+
+static u64 qib_sg_dma_address(struct ib_device *dev, struct scatterlist *sg)
+{
+	u64 addr = (u64) page_address(sg_page(sg));
+
+	if (addr)
+		addr += sg->offset;
+	return addr;
+}
+
+static unsigned int qib_sg_dma_len(struct ib_device *dev,
+				   struct scatterlist *sg)
+{
+	return sg->length;
+}
+
+static void qib_sync_single_for_cpu(struct ib_device *dev, u64 addr,
+				    size_t size, enum dma_data_direction dir)
+{
+}
+
+static void qib_sync_single_for_device(struct ib_device *dev, u64 addr,
+				       size_t size,
+				       enum dma_data_direction dir)
+{
+}
+
+static void *qib_dma_alloc_coherent(struct ib_device *dev, size_t size,
+				    u64 *dma_handle, gfp_t flag)
+{
+	struct page *p;
+	void *addr = NULL;
+
+	p = alloc_pages(flag, get_order(size));
+	if (p)
+		addr = page_address(p);
+	if (dma_handle)
+		*dma_handle = (u64) addr;
+	return addr;
+}
+
+static void qib_dma_free_coherent(struct ib_device *dev, size_t size,
+				  void *cpu_addr, u64 dma_handle)
+{
+	free_pages((unsigned long) cpu_addr, get_order(size));
+}
+
+struct ib_dma_mapping_ops qib_dma_mapping_ops = {
+	.mapping_error = qib_mapping_error,
+	.map_single = qib_dma_map_single,
+	.unmap_single = qib_dma_unmap_single,
+	.map_page = qib_dma_map_page,
+	.unmap_page = qib_dma_unmap_page,
+	.map_sg = qib_map_sg,
+	.unmap_sg = qib_unmap_sg,
+	.dma_address = qib_sg_dma_address,
+	.dma_len = qib_sg_dma_len,
+	.sync_single_for_cpu = qib_sync_single_for_cpu,
+	.sync_single_for_device = qib_sync_single_for_device,
+	.alloc_coherent = qib_dma_alloc_coherent,
+	.free_coherent = qib_dma_free_coherent
+};
diff --git a/drivers/infiniband/hw/qib/qib_driver.c b/drivers/infiniband/hw/qib/qib_driver.c
new file mode 100644
index 00000000000..f15ce076ac4
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_driver.c
@@ -0,0 +1,665 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/spinlock.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/vmalloc.h>
+
+#include "qib.h"
+
+/*
+ * The size has to be longer than this string, so we can append
+ * board/chip information to it in the init code.
+ */
+const char ib_qib_version[] = QIB_IDSTR "\n";
+
+DEFINE_SPINLOCK(qib_devs_lock);
+LIST_HEAD(qib_dev_list);
+DEFINE_MUTEX(qib_mutex);	/* general driver use */
+
+unsigned qib_ibmtu;
+module_param_named(ibmtu, qib_ibmtu, uint, S_IRUGO);
+MODULE_PARM_DESC(ibmtu, "Set max IB MTU (0=2KB, 1=256, 2=512, ... 5=4096");
+
+unsigned qib_compat_ddr_negotiate = 1;
+module_param_named(compat_ddr_negotiate, qib_compat_ddr_negotiate, uint,
+		   S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(compat_ddr_negotiate,
+		 "Attempt pre-IBTA 1.2 DDR speed negotiation");
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("QLogic <support@qlogic.com>");
+MODULE_DESCRIPTION("QLogic IB driver");
+
+/*
+ * QIB_PIO_MAXIBHDR is the max IB header size allowed for in our
+ * PIO send buffers.  This is well beyond anything currently
+ * defined in the InfiniBand spec.
+ */
+#define QIB_PIO_MAXIBHDR 128
+
+struct qlogic_ib_stats qib_stats;
+
+const char *qib_get_unit_name(int unit)
+{
+	static char iname[16];
+
+	snprintf(iname, sizeof iname, "infinipath%u", unit);
+	return iname;
+}
+
+/*
+ * Return count of units with at least one port ACTIVE.
+ */
+int qib_count_active_units(void)
+{
+	struct qib_devdata *dd;
+	struct qib_pportdata *ppd;
+	unsigned long flags;
+	int pidx, nunits_active = 0;
+
+	spin_lock_irqsave(&qib_devs_lock, flags);
+	list_for_each_entry(dd, &qib_dev_list, list) {
+		if (!(dd->flags & QIB_PRESENT) || !dd->kregbase)
+			continue;
+		for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+			ppd = dd->pport + pidx;
+			if (ppd->lid && (ppd->lflags & (QIBL_LINKINIT |
+					 QIBL_LINKARMED | QIBL_LINKACTIVE))) {
+				nunits_active++;
+				break;
+			}
+		}
+	}
+	spin_unlock_irqrestore(&qib_devs_lock, flags);
+	return nunits_active;
+}
+
+/*
+ * Return count of all units, optionally return in arguments
+ * the number of usable (present) units, and the number of
+ * ports that are up.
+ */
+int qib_count_units(int *npresentp, int *nupp)
+{
+	int nunits = 0, npresent = 0, nup = 0;
+	struct qib_devdata *dd;
+	unsigned long flags;
+	int pidx;
+	struct qib_pportdata *ppd;
+
+	spin_lock_irqsave(&qib_devs_lock, flags);
+
+	list_for_each_entry(dd, &qib_dev_list, list) {
+		nunits++;
+		if ((dd->flags & QIB_PRESENT) && dd->kregbase)
+			npresent++;
+		for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+			ppd = dd->pport + pidx;
+			if (ppd->lid && (ppd->lflags & (QIBL_LINKINIT |
+					 QIBL_LINKARMED | QIBL_LINKACTIVE)))
+				nup++;
+		}
+	}
+
+	spin_unlock_irqrestore(&qib_devs_lock, flags);
+
+	if (npresentp)
+		*npresentp = npresent;
+	if (nupp)
+		*nupp = nup;
+
+	return nunits;
+}
+
+/**
+ * qib_wait_linkstate - wait for an IB link state change to occur
+ * @dd: the qlogic_ib device
+ * @state: the state to wait for
+ * @msecs: the number of milliseconds to wait
+ *
+ * wait up to msecs milliseconds for IB link state change to occur for
+ * now, take the easy polling route.  Currently used only by
+ * qib_set_linkstate.  Returns 0 if state reached, otherwise
+ * -ETIMEDOUT state can have multiple states set, for any of several
+ * transitions.
+ */
+int qib_wait_linkstate(struct qib_pportdata *ppd, u32 state, int msecs)
+{
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	if (ppd->state_wanted) {
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		ret = -EBUSY;
+		goto bail;
+	}
+	ppd->state_wanted = state;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	wait_event_interruptible_timeout(ppd->state_wait,
+					 (ppd->lflags & state),
+					 msecs_to_jiffies(msecs));
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	ppd->state_wanted = 0;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+
+	if (!(ppd->lflags & state))
+		ret = -ETIMEDOUT;
+	else
+		ret = 0;
+bail:
+	return ret;
+}
+
+int qib_set_linkstate(struct qib_pportdata *ppd, u8 newstate)
+{
+	u32 lstate;
+	int ret;
+	struct qib_devdata *dd = ppd->dd;
+	unsigned long flags;
+
+	switch (newstate) {
+	case QIB_IB_LINKDOWN_ONLY:
+		dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LSTATE,
+				 IB_LINKCMD_DOWN | IB_LINKINITCMD_NOP);
+		/* don't wait */
+		ret = 0;
+		goto bail;
+
+	case QIB_IB_LINKDOWN:
+		dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LSTATE,
+				 IB_LINKCMD_DOWN | IB_LINKINITCMD_POLL);
+		/* don't wait */
+		ret = 0;
+		goto bail;
+
+	case QIB_IB_LINKDOWN_SLEEP:
+		dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LSTATE,
+				 IB_LINKCMD_DOWN | IB_LINKINITCMD_SLEEP);
+		/* don't wait */
+		ret = 0;
+		goto bail;
+
+	case QIB_IB_LINKDOWN_DISABLE:
+		dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LSTATE,
+				 IB_LINKCMD_DOWN | IB_LINKINITCMD_DISABLE);
+		/* don't wait */
+		ret = 0;
+		goto bail;
+
+	case QIB_IB_LINKARM:
+		if (ppd->lflags & QIBL_LINKARMED) {
+			ret = 0;
+			goto bail;
+		}
+		if (!(ppd->lflags & (QIBL_LINKINIT | QIBL_LINKACTIVE))) {
+			ret = -EINVAL;
+			goto bail;
+		}
+		/*
+		 * Since the port can be ACTIVE when we ask for ARMED,
+		 * clear QIBL_LINKV so we can wait for a transition.
+		 * If the link isn't ARMED, then something else happened
+		 * and there is no point waiting for ARMED.
+		 */
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~QIBL_LINKV;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LSTATE,
+				 IB_LINKCMD_ARMED | IB_LINKINITCMD_NOP);
+		lstate = QIBL_LINKV;
+		break;
+
+	case QIB_IB_LINKACTIVE:
+		if (ppd->lflags & QIBL_LINKACTIVE) {
+			ret = 0;
+			goto bail;
+		}
+		if (!(ppd->lflags & QIBL_LINKARMED)) {
+			ret = -EINVAL;
+			goto bail;
+		}
+		dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LSTATE,
+				 IB_LINKCMD_ACTIVE | IB_LINKINITCMD_NOP);
+		lstate = QIBL_LINKACTIVE;
+		break;
+
+	default:
+		ret = -EINVAL;
+		goto bail;
+	}
+	ret = qib_wait_linkstate(ppd, lstate, 10);
+
+bail:
+	return ret;
+}
+
+/*
+ * Get address of eager buffer from it's index (allocated in chunks, not
+ * contiguous).
+ */
+static inline void *qib_get_egrbuf(const struct qib_ctxtdata *rcd, u32 etail)
+{
+	const u32 chunk = etail / rcd->rcvegrbufs_perchunk;
+	const u32 idx =  etail % rcd->rcvegrbufs_perchunk;
+
+	return rcd->rcvegrbuf[chunk] + idx * rcd->dd->rcvegrbufsize;
+}
+
+/*
+ * Returns 1 if error was a CRC, else 0.
+ * Needed for some chip's synthesized error counters.
+ */
+static u32 qib_rcv_hdrerr(struct qib_pportdata *ppd, u32 ctxt,
+			  u32 eflags, u32 l, u32 etail, __le32 *rhf_addr,
+			  struct qib_message_header *hdr)
+{
+	u32 ret = 0;
+
+	if (eflags & (QLOGIC_IB_RHF_H_ICRCERR | QLOGIC_IB_RHF_H_VCRCERR))
+		ret = 1;
+	return ret;
+}
+
+/*
+ * qib_kreceive - receive a packet
+ * @rcd: the qlogic_ib context
+ * @llic: gets count of good packets needed to clear lli,
+ *          (used with chips that need need to track crcs for lli)
+ *
+ * called from interrupt handler for errors or receive interrupt
+ * Returns number of CRC error packets, needed by some chips for
+ * local link integrity tracking.   crcs are adjusted down by following
+ * good packets, if any, and count of good packets is also tracked.
+ */
+u32 qib_kreceive(struct qib_ctxtdata *rcd, u32 *llic, u32 *npkts)
+{
+	struct qib_devdata *dd = rcd->dd;
+	struct qib_pportdata *ppd = rcd->ppd;
+	__le32 *rhf_addr;
+	void *ebuf;
+	const u32 rsize = dd->rcvhdrentsize;        /* words */
+	const u32 maxcnt = dd->rcvhdrcnt * rsize;   /* words */
+	u32 etail = -1, l, hdrqtail;
+	struct qib_message_header *hdr;
+	u32 eflags, etype, tlen, i = 0, updegr = 0, crcs = 0;
+	int last;
+	u64 lval;
+	struct qib_qp *qp, *nqp;
+
+	l = rcd->head;
+	rhf_addr = (__le32 *) rcd->rcvhdrq + l + dd->rhf_offset;
+	if (dd->flags & QIB_NODMA_RTAIL) {
+		u32 seq = qib_hdrget_seq(rhf_addr);
+		if (seq != rcd->seq_cnt)
+			goto bail;
+		hdrqtail = 0;
+	} else {
+		hdrqtail = qib_get_rcvhdrtail(rcd);
+		if (l == hdrqtail)
+			goto bail;
+		smp_rmb();  /* prevent speculative reads of dma'ed hdrq */
+	}
+
+	for (last = 0, i = 1; !last; i += !last) {
+		hdr = dd->f_get_msgheader(dd, rhf_addr);
+		eflags = qib_hdrget_err_flags(rhf_addr);
+		etype = qib_hdrget_rcv_type(rhf_addr);
+		/* total length */
+		tlen = qib_hdrget_length_in_bytes(rhf_addr);
+		ebuf = NULL;
+		if ((dd->flags & QIB_NODMA_RTAIL) ?
+		    qib_hdrget_use_egr_buf(rhf_addr) :
+		    (etype != RCVHQ_RCV_TYPE_EXPECTED)) {
+			etail = qib_hdrget_index(rhf_addr);
+			updegr = 1;
+			if (tlen > sizeof(*hdr) ||
+			    etype >= RCVHQ_RCV_TYPE_NON_KD)
+				ebuf = qib_get_egrbuf(rcd, etail);
+		}
+		if (!eflags) {
+			u16 lrh_len = be16_to_cpu(hdr->lrh[2]) << 2;
+
+			if (lrh_len != tlen) {
+				qib_stats.sps_lenerrs++;
+				goto move_along;
+			}
+		}
+		if (etype == RCVHQ_RCV_TYPE_NON_KD && !eflags &&
+		    ebuf == NULL &&
+		    tlen > (dd->rcvhdrentsize - 2 + 1 -
+				qib_hdrget_offset(rhf_addr)) << 2) {
+			goto move_along;
+		}
+
+		/*
+		 * Both tiderr and qibhdrerr are set for all plain IB
+		 * packets; only qibhdrerr should be set.
+		 */
+		if (unlikely(eflags))
+			crcs += qib_rcv_hdrerr(ppd, rcd->ctxt, eflags, l,
+					       etail, rhf_addr, hdr);
+		else if (etype == RCVHQ_RCV_TYPE_NON_KD) {
+			qib_ib_rcv(rcd, hdr, ebuf, tlen);
+			if (crcs)
+				crcs--;
+			else if (llic && *llic)
+				--*llic;
+		}
+move_along:
+		l += rsize;
+		if (l >= maxcnt)
+			l = 0;
+		rhf_addr = (__le32 *) rcd->rcvhdrq + l + dd->rhf_offset;
+		if (dd->flags & QIB_NODMA_RTAIL) {
+			u32 seq = qib_hdrget_seq(rhf_addr);
+
+			if (++rcd->seq_cnt > 13)
+				rcd->seq_cnt = 1;
+			if (seq != rcd->seq_cnt)
+				last = 1;
+		} else if (l == hdrqtail)
+			last = 1;
+		/*
+		 * Update head regs etc., every 16 packets, if not last pkt,
+		 * to help prevent rcvhdrq overflows, when many packets
+		 * are processed and queue is nearly full.
+		 * Don't request an interrupt for intermediate updates.
+		 */
+		lval = l;
+		if (!last && !(i & 0xf)) {
+			dd->f_update_usrhead(rcd, lval, updegr, etail);
+			updegr = 0;
+		}
+	}
+
+	rcd->head = l;
+	rcd->pkt_count += i;
+
+	/*
+	 * Iterate over all QPs waiting to respond.
+	 * The list won't change since the IRQ is only run on one CPU.
+	 */
+	list_for_each_entry_safe(qp, nqp, &rcd->qp_wait_list, rspwait) {
+		list_del_init(&qp->rspwait);
+		if (qp->r_flags & QIB_R_RSP_NAK) {
+			qp->r_flags &= ~QIB_R_RSP_NAK;
+			qib_send_rc_ack(qp);
+		}
+		if (qp->r_flags & QIB_R_RSP_SEND) {
+			unsigned long flags;
+
+			qp->r_flags &= ~QIB_R_RSP_SEND;
+			spin_lock_irqsave(&qp->s_lock, flags);
+			if (ib_qib_state_ops[qp->state] &
+					QIB_PROCESS_OR_FLUSH_SEND)
+				qib_schedule_send(qp);
+			spin_unlock_irqrestore(&qp->s_lock, flags);
+		}
+		if (atomic_dec_and_test(&qp->refcount))
+			wake_up(&qp->wait);
+	}
+
+bail:
+	/* Report number of packets consumed */
+	if (npkts)
+		*npkts = i;
+
+	/*
+	 * Always write head at end, and setup rcv interrupt, even
+	 * if no packets were processed.
+	 */
+	lval = (u64)rcd->head | dd->rhdrhead_intr_off;
+	dd->f_update_usrhead(rcd, lval, updegr, etail);
+	return crcs;
+}
+
+/**
+ * qib_set_mtu - set the MTU
+ * @ppd: the perport data
+ * @arg: the new MTU
+ *
+ * We can handle "any" incoming size, the issue here is whether we
+ * need to restrict our outgoing size.   For now, we don't do any
+ * sanity checking on this, and we don't deal with what happens to
+ * programs that are already running when the size changes.
+ * NOTE: changing the MTU will usually cause the IBC to go back to
+ * link INIT state...
+ */
+int qib_set_mtu(struct qib_pportdata *ppd, u16 arg)
+{
+	u32 piosize;
+	int ret, chk;
+
+	if (arg != 256 && arg != 512 && arg != 1024 && arg != 2048 &&
+	    arg != 4096) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	chk = ib_mtu_enum_to_int(qib_ibmtu);
+	if (chk > 0 && arg > chk) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	piosize = ppd->ibmaxlen;
+	ppd->ibmtu = arg;
+
+	if (arg >= (piosize - QIB_PIO_MAXIBHDR)) {
+		/* Only if it's not the initial value (or reset to it) */
+		if (piosize != ppd->init_ibmaxlen) {
+			if (arg > piosize && arg <= ppd->init_ibmaxlen)
+				piosize = ppd->init_ibmaxlen - 2 * sizeof(u32);
+			ppd->ibmaxlen = piosize;
+		}
+	} else if ((arg + QIB_PIO_MAXIBHDR) != ppd->ibmaxlen) {
+		piosize = arg + QIB_PIO_MAXIBHDR - 2 * sizeof(u32);
+		ppd->ibmaxlen = piosize;
+	}
+
+	ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_MTU, 0);
+
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+int qib_set_lid(struct qib_pportdata *ppd, u32 lid, u8 lmc)
+{
+	struct qib_devdata *dd = ppd->dd;
+	ppd->lid = lid;
+	ppd->lmc = lmc;
+
+	dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LIDLMC,
+			 lid | (~((1U << lmc) - 1)) << 16);
+
+	qib_devinfo(dd->pcidev, "IB%u:%u got a lid: 0x%x\n",
+		    dd->unit, ppd->port, lid);
+
+	return 0;
+}
+
+/*
+ * Following deal with the "obviously simple" task of overriding the state
+ * of the LEDS, which normally indicate link physical and logical status.
+ * The complications arise in dealing with different hardware mappings
+ * and the board-dependent routine being called from interrupts.
+ * and then there's the requirement to _flash_ them.
+ */
+#define LED_OVER_FREQ_SHIFT 8
+#define LED_OVER_FREQ_MASK (0xFF<<LED_OVER_FREQ_SHIFT)
+/* Below is "non-zero" to force override, but both actual LEDs are off */
+#define LED_OVER_BOTH_OFF (8)
+
+static void qib_run_led_override(unsigned long opaque)
+{
+	struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
+	struct qib_devdata *dd = ppd->dd;
+	int timeoff;
+	int ph_idx;
+
+	if (!(dd->flags & QIB_INITTED))
+		return;
+
+	ph_idx = ppd->led_override_phase++ & 1;
+	ppd->led_override = ppd->led_override_vals[ph_idx];
+	timeoff = ppd->led_override_timeoff;
+
+	dd->f_setextled(ppd, 1);
+	/*
+	 * don't re-fire the timer if user asked for it to be off; we let
+	 * it fire one more time after they turn it off to simplify
+	 */
+	if (ppd->led_override_vals[0] || ppd->led_override_vals[1])
+		mod_timer(&ppd->led_override_timer, jiffies + timeoff);
+}
+
+void qib_set_led_override(struct qib_pportdata *ppd, unsigned int val)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int timeoff, freq;
+
+	if (!(dd->flags & QIB_INITTED))
+		return;
+
+	/* First check if we are blinking. If not, use 1HZ polling */
+	timeoff = HZ;
+	freq = (val & LED_OVER_FREQ_MASK) >> LED_OVER_FREQ_SHIFT;
+
+	if (freq) {
+		/* For blink, set each phase from one nybble of val */
+		ppd->led_override_vals[0] = val & 0xF;
+		ppd->led_override_vals[1] = (val >> 4) & 0xF;
+		timeoff = (HZ << 4)/freq;
+	} else {
+		/* Non-blink set both phases the same. */
+		ppd->led_override_vals[0] = val & 0xF;
+		ppd->led_override_vals[1] = val & 0xF;
+	}
+	ppd->led_override_timeoff = timeoff;
+
+	/*
+	 * If the timer has not already been started, do so. Use a "quick"
+	 * timeout so the function will be called soon, to look at our request.
+	 */
+	if (atomic_inc_return(&ppd->led_override_timer_active) == 1) {
+		/* Need to start timer */
+		init_timer(&ppd->led_override_timer);
+		ppd->led_override_timer.function = qib_run_led_override;
+		ppd->led_override_timer.data = (unsigned long) ppd;
+		ppd->led_override_timer.expires = jiffies + 1;
+		add_timer(&ppd->led_override_timer);
+	} else {
+		if (ppd->led_override_vals[0] || ppd->led_override_vals[1])
+			mod_timer(&ppd->led_override_timer, jiffies + 1);
+		atomic_dec(&ppd->led_override_timer_active);
+	}
+}
+
+/**
+ * qib_reset_device - reset the chip if possible
+ * @unit: the device to reset
+ *
+ * Whether or not reset is successful, we attempt to re-initialize the chip
+ * (that is, much like a driver unload/reload).  We clear the INITTED flag
+ * so that the various entry points will fail until we reinitialize.  For
+ * now, we only allow this if no user contexts are open that use chip resources
+ */
+int qib_reset_device(int unit)
+{
+	int ret, i;
+	struct qib_devdata *dd = qib_lookup(unit);
+	struct qib_pportdata *ppd;
+	unsigned long flags;
+	int pidx;
+
+	if (!dd) {
+		ret = -ENODEV;
+		goto bail;
+	}
+
+	qib_devinfo(dd->pcidev, "Reset on unit %u requested\n", unit);
+
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) {
+		qib_devinfo(dd->pcidev, "Invalid unit number %u or "
+			    "not initialized or not present\n", unit);
+		ret = -ENXIO;
+		goto bail;
+	}
+
+	spin_lock_irqsave(&dd->uctxt_lock, flags);
+	if (dd->rcd)
+		for (i = dd->first_user_ctxt; i < dd->cfgctxts; i++) {
+			if (!dd->rcd[i] || !dd->rcd[i]->cnt)
+				continue;
+			spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+			ret = -EBUSY;
+			goto bail;
+		}
+	spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		ppd = dd->pport + pidx;
+		if (atomic_read(&ppd->led_override_timer_active)) {
+			/* Need to stop LED timer, _then_ shut off LEDs */
+			del_timer_sync(&ppd->led_override_timer);
+			atomic_set(&ppd->led_override_timer_active, 0);
+		}
+
+		/* Shut off LEDs after we are sure timer is not running */
+		ppd->led_override = LED_OVER_BOTH_OFF;
+		dd->f_setextled(ppd, 0);
+		if (dd->flags & QIB_HAS_SEND_DMA)
+			qib_teardown_sdma(ppd);
+	}
+
+	ret = dd->f_reset(dd);
+	if (ret == 1)
+		ret = qib_init(dd, 1);
+	else
+		ret = -EAGAIN;
+	if (ret)
+		qib_dev_err(dd, "Reinitialize unit %u after "
+			    "reset failed with %d\n", unit, ret);
+	else
+		qib_devinfo(dd->pcidev, "Reinitialized unit %u after "
+			    "resetting\n", unit);
+
+bail:
+	return ret;
+}
diff --git a/drivers/infiniband/hw/qib/qib_eeprom.c b/drivers/infiniband/hw/qib/qib_eeprom.c
new file mode 100644
index 00000000000..92d9cfe98a6
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_eeprom.c
@@ -0,0 +1,451 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/vmalloc.h>
+
+#include "qib.h"
+
+/*
+ * Functions specific to the serial EEPROM on cards handled by ib_qib.
+ * The actual serail interface code is in qib_twsi.c. This file is a client
+ */
+
+/**
+ * qib_eeprom_read - receives bytes from the eeprom via I2C
+ * @dd: the qlogic_ib device
+ * @eeprom_offset: address to read from
+ * @buffer: where to store result
+ * @len: number of bytes to receive
+ */
+int qib_eeprom_read(struct qib_devdata *dd, u8 eeprom_offset,
+		    void *buff, int len)
+{
+	int ret;
+
+	ret = mutex_lock_interruptible(&dd->eep_lock);
+	if (!ret) {
+		ret = qib_twsi_reset(dd);
+		if (ret)
+			qib_dev_err(dd, "EEPROM Reset for read failed\n");
+		else
+			ret = qib_twsi_blk_rd(dd, dd->twsi_eeprom_dev,
+					      eeprom_offset, buff, len);
+		mutex_unlock(&dd->eep_lock);
+	}
+
+	return ret;
+}
+
+/*
+ * Actually update the eeprom, first doing write enable if
+ * needed, then restoring write enable state.
+ * Must be called with eep_lock held
+ */
+static int eeprom_write_with_enable(struct qib_devdata *dd, u8 offset,
+		     const void *buf, int len)
+{
+	int ret, pwen;
+
+	pwen = dd->f_eeprom_wen(dd, 1);
+	ret = qib_twsi_reset(dd);
+	if (ret)
+		qib_dev_err(dd, "EEPROM Reset for write failed\n");
+	else
+		ret = qib_twsi_blk_wr(dd, dd->twsi_eeprom_dev,
+				      offset, buf, len);
+	dd->f_eeprom_wen(dd, pwen);
+	return ret;
+}
+
+/**
+ * qib_eeprom_write - writes data to the eeprom via I2C
+ * @dd: the qlogic_ib device
+ * @eeprom_offset: where to place data
+ * @buffer: data to write
+ * @len: number of bytes to write
+ */
+int qib_eeprom_write(struct qib_devdata *dd, u8 eeprom_offset,
+		     const void *buff, int len)
+{
+	int ret;
+
+	ret = mutex_lock_interruptible(&dd->eep_lock);
+	if (!ret) {
+		ret = eeprom_write_with_enable(dd, eeprom_offset, buff, len);
+		mutex_unlock(&dd->eep_lock);
+	}
+
+	return ret;
+}
+
+static u8 flash_csum(struct qib_flash *ifp, int adjust)
+{
+	u8 *ip = (u8 *) ifp;
+	u8 csum = 0, len;
+
+	/*
+	 * Limit length checksummed to max length of actual data.
+	 * Checksum of erased eeprom will still be bad, but we avoid
+	 * reading past the end of the buffer we were passed.
+	 */
+	len = ifp->if_length;
+	if (len > sizeof(struct qib_flash))
+		len = sizeof(struct qib_flash);
+	while (len--)
+		csum += *ip++;
+	csum -= ifp->if_csum;
+	csum = ~csum;
+	if (adjust)
+		ifp->if_csum = csum;
+
+	return csum;
+}
+
+/**
+ * qib_get_eeprom_info- get the GUID et al. from the TSWI EEPROM device
+ * @dd: the qlogic_ib device
+ *
+ * We have the capability to use the nguid field, and get
+ * the guid from the first chip's flash, to use for all of them.
+ */
+void qib_get_eeprom_info(struct qib_devdata *dd)
+{
+	void *buf;
+	struct qib_flash *ifp;
+	__be64 guid;
+	int len, eep_stat;
+	u8 csum, *bguid;
+	int t = dd->unit;
+	struct qib_devdata *dd0 = qib_lookup(0);
+
+	if (t && dd0->nguid > 1 && t <= dd0->nguid) {
+		u8 oguid;
+		dd->base_guid = dd0->base_guid;
+		bguid = (u8 *) &dd->base_guid;
+
+		oguid = bguid[7];
+		bguid[7] += t;
+		if (oguid > bguid[7]) {
+			if (bguid[6] == 0xff) {
+				if (bguid[5] == 0xff) {
+					qib_dev_err(dd, "Can't set %s GUID"
+						    " from base, wraps to"
+						    " OUI!\n",
+						    qib_get_unit_name(t));
+					dd->base_guid = 0;
+					goto bail;
+				}
+				bguid[5]++;
+			}
+			bguid[6]++;
+		}
+		dd->nguid = 1;
+		goto bail;
+	}
+
+	/*
+	 * Read full flash, not just currently used part, since it may have
+	 * been written with a newer definition.
+	 * */
+	len = sizeof(struct qib_flash);
+	buf = vmalloc(len);
+	if (!buf) {
+		qib_dev_err(dd, "Couldn't allocate memory to read %u "
+			    "bytes from eeprom for GUID\n", len);
+		goto bail;
+	}
+
+	/*
+	 * Use "public" eeprom read function, which does locking and
+	 * figures out device. This will migrate to chip-specific.
+	 */
+	eep_stat = qib_eeprom_read(dd, 0, buf, len);
+
+	if (eep_stat) {
+		qib_dev_err(dd, "Failed reading GUID from eeprom\n");
+		goto done;
+	}
+	ifp = (struct qib_flash *)buf;
+
+	csum = flash_csum(ifp, 0);
+	if (csum != ifp->if_csum) {
+		qib_devinfo(dd->pcidev, "Bad I2C flash checksum: "
+			 "0x%x, not 0x%x\n", csum, ifp->if_csum);
+		goto done;
+	}
+	if (*(__be64 *) ifp->if_guid == cpu_to_be64(0) ||
+	    *(__be64 *) ifp->if_guid == ~cpu_to_be64(0)) {
+		qib_dev_err(dd, "Invalid GUID %llx from flash; ignoring\n",
+			    *(unsigned long long *) ifp->if_guid);
+		/* don't allow GUID if all 0 or all 1's */
+		goto done;
+	}
+
+	/* complain, but allow it */
+	if (*(u64 *) ifp->if_guid == 0x100007511000000ULL)
+		qib_devinfo(dd->pcidev, "Warning, GUID %llx is "
+			 "default, probably not correct!\n",
+			 *(unsigned long long *) ifp->if_guid);
+
+	bguid = ifp->if_guid;
+	if (!bguid[0] && !bguid[1] && !bguid[2]) {
+		/*
+		 * Original incorrect GUID format in flash; fix in
+		 * core copy, by shifting up 2 octets; don't need to
+		 * change top octet, since both it and shifted are 0.
+		 */
+		bguid[1] = bguid[3];
+		bguid[2] = bguid[4];
+		bguid[3] = 0;
+		bguid[4] = 0;
+		guid = *(__be64 *) ifp->if_guid;
+	} else
+		guid = *(__be64 *) ifp->if_guid;
+	dd->base_guid = guid;
+	dd->nguid = ifp->if_numguid;
+	/*
+	 * Things are slightly complicated by the desire to transparently
+	 * support both the Pathscale 10-digit serial number and the QLogic
+	 * 13-character version.
+	 */
+	if ((ifp->if_fversion > 1) && ifp->if_sprefix[0] &&
+	    ((u8 *) ifp->if_sprefix)[0] != 0xFF) {
+		char *snp = dd->serial;
+
+		/*
+		 * This board has a Serial-prefix, which is stored
+		 * elsewhere for backward-compatibility.
+		 */
+		memcpy(snp, ifp->if_sprefix, sizeof ifp->if_sprefix);
+		snp[sizeof ifp->if_sprefix] = '\0';
+		len = strlen(snp);
+		snp += len;
+		len = (sizeof dd->serial) - len;
+		if (len > sizeof ifp->if_serial)
+			len = sizeof ifp->if_serial;
+		memcpy(snp, ifp->if_serial, len);
+	} else
+		memcpy(dd->serial, ifp->if_serial,
+		       sizeof ifp->if_serial);
+	if (!strstr(ifp->if_comment, "Tested successfully"))
+		qib_dev_err(dd, "Board SN %s did not pass functional "
+			    "test: %s\n", dd->serial, ifp->if_comment);
+
+	memcpy(&dd->eep_st_errs, &ifp->if_errcntp, QIB_EEP_LOG_CNT);
+	/*
+	 * Power-on (actually "active") hours are kept as little-endian value
+	 * in EEPROM, but as seconds in a (possibly as small as 24-bit)
+	 * atomic_t while running.
+	 */
+	atomic_set(&dd->active_time, 0);
+	dd->eep_hrs = ifp->if_powerhour[0] | (ifp->if_powerhour[1] << 8);
+
+done:
+	vfree(buf);
+
+bail:;
+}
+
+/**
+ * qib_update_eeprom_log - copy active-time and error counters to eeprom
+ * @dd: the qlogic_ib device
+ *
+ * Although the time is kept as seconds in the qib_devdata struct, it is
+ * rounded to hours for re-write, as we have only 16 bits in EEPROM.
+ * First-cut code reads whole (expected) struct qib_flash, modifies,
+ * re-writes. Future direction: read/write only what we need, assuming
+ * that the EEPROM had to have been "good enough" for driver init, and
+ * if not, we aren't making it worse.
+ *
+ */
+int qib_update_eeprom_log(struct qib_devdata *dd)
+{
+	void *buf;
+	struct qib_flash *ifp;
+	int len, hi_water;
+	uint32_t new_time, new_hrs;
+	u8 csum;
+	int ret, idx;
+	unsigned long flags;
+
+	/* first, check if we actually need to do anything. */
+	ret = 0;
+	for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
+		if (dd->eep_st_new_errs[idx]) {
+			ret = 1;
+			break;
+		}
+	}
+	new_time = atomic_read(&dd->active_time);
+
+	if (ret == 0 && new_time < 3600)
+		goto bail;
+
+	/*
+	 * The quick-check above determined that there is something worthy
+	 * of logging, so get current contents and do a more detailed idea.
+	 * read full flash, not just currently used part, since it may have
+	 * been written with a newer definition
+	 */
+	len = sizeof(struct qib_flash);
+	buf = vmalloc(len);
+	ret = 1;
+	if (!buf) {
+		qib_dev_err(dd, "Couldn't allocate memory to read %u "
+			    "bytes from eeprom for logging\n", len);
+		goto bail;
+	}
+
+	/* Grab semaphore and read current EEPROM. If we get an
+	 * error, let go, but if not, keep it until we finish write.
+	 */
+	ret = mutex_lock_interruptible(&dd->eep_lock);
+	if (ret) {
+		qib_dev_err(dd, "Unable to acquire EEPROM for logging\n");
+		goto free_bail;
+	}
+	ret = qib_twsi_blk_rd(dd, dd->twsi_eeprom_dev, 0, buf, len);
+	if (ret) {
+		mutex_unlock(&dd->eep_lock);
+		qib_dev_err(dd, "Unable read EEPROM for logging\n");
+		goto free_bail;
+	}
+	ifp = (struct qib_flash *)buf;
+
+	csum = flash_csum(ifp, 0);
+	if (csum != ifp->if_csum) {
+		mutex_unlock(&dd->eep_lock);
+		qib_dev_err(dd, "EEPROM cks err (0x%02X, S/B 0x%02X)\n",
+			    csum, ifp->if_csum);
+		ret = 1;
+		goto free_bail;
+	}
+	hi_water = 0;
+	spin_lock_irqsave(&dd->eep_st_lock, flags);
+	for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
+		int new_val = dd->eep_st_new_errs[idx];
+		if (new_val) {
+			/*
+			 * If we have seen any errors, add to EEPROM values
+			 * We need to saturate at 0xFF (255) and we also
+			 * would need to adjust the checksum if we were
+			 * trying to minimize EEPROM traffic
+			 * Note that we add to actual current count in EEPROM,
+			 * in case it was altered while we were running.
+			 */
+			new_val += ifp->if_errcntp[idx];
+			if (new_val > 0xFF)
+				new_val = 0xFF;
+			if (ifp->if_errcntp[idx] != new_val) {
+				ifp->if_errcntp[idx] = new_val;
+				hi_water = offsetof(struct qib_flash,
+						    if_errcntp) + idx;
+			}
+			/*
+			 * update our shadow (used to minimize EEPROM
+			 * traffic), to match what we are about to write.
+			 */
+			dd->eep_st_errs[idx] = new_val;
+			dd->eep_st_new_errs[idx] = 0;
+		}
+	}
+	/*
+	 * Now update active-time. We would like to round to the nearest hour
+	 * but unless atomic_t are sure to be proper signed ints we cannot,
+	 * because we need to account for what we "transfer" to EEPROM and
+	 * if we log an hour at 31 minutes, then we would need to set
+	 * active_time to -29 to accurately count the _next_ hour.
+	 */
+	if (new_time >= 3600) {
+		new_hrs = new_time / 3600;
+		atomic_sub((new_hrs * 3600), &dd->active_time);
+		new_hrs += dd->eep_hrs;
+		if (new_hrs > 0xFFFF)
+			new_hrs = 0xFFFF;
+		dd->eep_hrs = new_hrs;
+		if ((new_hrs & 0xFF) != ifp->if_powerhour[0]) {
+			ifp->if_powerhour[0] = new_hrs & 0xFF;
+			hi_water = offsetof(struct qib_flash, if_powerhour);
+		}
+		if ((new_hrs >> 8) != ifp->if_powerhour[1]) {
+			ifp->if_powerhour[1] = new_hrs >> 8;
+			hi_water = offsetof(struct qib_flash, if_powerhour) + 1;
+		}
+	}
+	/*
+	 * There is a tiny possibility that we could somehow fail to write
+	 * the EEPROM after updating our shadows, but problems from holding
+	 * the spinlock too long are a much bigger issue.
+	 */
+	spin_unlock_irqrestore(&dd->eep_st_lock, flags);
+	if (hi_water) {
+		/* we made some change to the data, uopdate cksum and write */
+		csum = flash_csum(ifp, 1);
+		ret = eeprom_write_with_enable(dd, 0, buf, hi_water + 1);
+	}
+	mutex_unlock(&dd->eep_lock);
+	if (ret)
+		qib_dev_err(dd, "Failed updating EEPROM\n");
+
+free_bail:
+	vfree(buf);
+bail:
+	return ret;
+}
+
+/**
+ * qib_inc_eeprom_err - increment one of the four error counters
+ * that are logged to EEPROM.
+ * @dd: the qlogic_ib device
+ * @eidx: 0..3, the counter to increment
+ * @incr: how much to add
+ *
+ * Each counter is 8-bits, and saturates at 255 (0xFF). They
+ * are copied to the EEPROM (aka flash) whenever qib_update_eeprom_log()
+ * is called, but it can only be called in a context that allows sleep.
+ * This function can be called even at interrupt level.
+ */
+void qib_inc_eeprom_err(struct qib_devdata *dd, u32 eidx, u32 incr)
+{
+	uint new_val;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->eep_st_lock, flags);
+	new_val = dd->eep_st_new_errs[eidx] + incr;
+	if (new_val > 255)
+		new_val = 255;
+	dd->eep_st_new_errs[eidx] = new_val;
+	spin_unlock_irqrestore(&dd->eep_st_lock, flags);
+}
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
new file mode 100644
index 00000000000..a142a9eb522
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -0,0 +1,2317 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/pci.h>
+#include <linux/poll.h>
+#include <linux/cdev.h>
+#include <linux/swap.h>
+#include <linux/vmalloc.h>
+#include <linux/highmem.h>
+#include <linux/io.h>
+#include <linux/uio.h>
+#include <linux/jiffies.h>
+#include <asm/pgtable.h>
+#include <linux/delay.h>
+
+#include "qib.h"
+#include "qib_common.h"
+#include "qib_user_sdma.h"
+
+static int qib_open(struct inode *, struct file *);
+static int qib_close(struct inode *, struct file *);
+static ssize_t qib_write(struct file *, const char __user *, size_t, loff_t *);
+static ssize_t qib_aio_write(struct kiocb *, const struct iovec *,
+			     unsigned long, loff_t);
+static unsigned int qib_poll(struct file *, struct poll_table_struct *);
+static int qib_mmapf(struct file *, struct vm_area_struct *);
+
+static const struct file_operations qib_file_ops = {
+	.owner = THIS_MODULE,
+	.write = qib_write,
+	.aio_write = qib_aio_write,
+	.open = qib_open,
+	.release = qib_close,
+	.poll = qib_poll,
+	.mmap = qib_mmapf
+};
+
+/*
+ * Convert kernel virtual addresses to physical addresses so they don't
+ * potentially conflict with the chip addresses used as mmap offsets.
+ * It doesn't really matter what mmap offset we use as long as we can
+ * interpret it correctly.
+ */
+static u64 cvt_kvaddr(void *p)
+{
+	struct page *page;
+	u64 paddr = 0;
+
+	page = vmalloc_to_page(p);
+	if (page)
+		paddr = page_to_pfn(page) << PAGE_SHIFT;
+
+	return paddr;
+}
+
+static int qib_get_base_info(struct file *fp, void __user *ubase,
+			     size_t ubase_size)
+{
+	struct qib_ctxtdata *rcd = ctxt_fp(fp);
+	int ret = 0;
+	struct qib_base_info *kinfo = NULL;
+	struct qib_devdata *dd = rcd->dd;
+	struct qib_pportdata *ppd = rcd->ppd;
+	unsigned subctxt_cnt;
+	int shared, master;
+	size_t sz;
+
+	subctxt_cnt = rcd->subctxt_cnt;
+	if (!subctxt_cnt) {
+		shared = 0;
+		master = 0;
+		subctxt_cnt = 1;
+	} else {
+		shared = 1;
+		master = !subctxt_fp(fp);
+	}
+
+	sz = sizeof(*kinfo);
+	/* If context sharing is not requested, allow the old size structure */
+	if (!shared)
+		sz -= 7 * sizeof(u64);
+	if (ubase_size < sz) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	kinfo = kzalloc(sizeof(*kinfo), GFP_KERNEL);
+	if (kinfo == NULL) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	ret = dd->f_get_base_info(rcd, kinfo);
+	if (ret < 0)
+		goto bail;
+
+	kinfo->spi_rcvhdr_cnt = dd->rcvhdrcnt;
+	kinfo->spi_rcvhdrent_size = dd->rcvhdrentsize;
+	kinfo->spi_tidegrcnt = rcd->rcvegrcnt;
+	kinfo->spi_rcv_egrbufsize = dd->rcvegrbufsize;
+	/*
+	 * have to mmap whole thing
+	 */
+	kinfo->spi_rcv_egrbuftotlen =
+		rcd->rcvegrbuf_chunks * rcd->rcvegrbuf_size;
+	kinfo->spi_rcv_egrperchunk = rcd->rcvegrbufs_perchunk;
+	kinfo->spi_rcv_egrchunksize = kinfo->spi_rcv_egrbuftotlen /
+		rcd->rcvegrbuf_chunks;
+	kinfo->spi_tidcnt = dd->rcvtidcnt / subctxt_cnt;
+	if (master)
+		kinfo->spi_tidcnt += dd->rcvtidcnt % subctxt_cnt;
+	/*
+	 * for this use, may be cfgctxts summed over all chips that
+	 * are are configured and present
+	 */
+	kinfo->spi_nctxts = dd->cfgctxts;
+	/* unit (chip/board) our context is on */
+	kinfo->spi_unit = dd->unit;
+	kinfo->spi_port = ppd->port;
+	/* for now, only a single page */
+	kinfo->spi_tid_maxsize = PAGE_SIZE;
+
+	/*
+	 * Doing this per context, and based on the skip value, etc.  This has
+	 * to be the actual buffer size, since the protocol code treats it
+	 * as an array.
+	 *
+	 * These have to be set to user addresses in the user code via mmap.
+	 * These values are used on return to user code for the mmap target
+	 * addresses only.  For 32 bit, same 44 bit address problem, so use
+	 * the physical address, not virtual.  Before 2.6.11, using the
+	 * page_address() macro worked, but in 2.6.11, even that returns the
+	 * full 64 bit address (upper bits all 1's).  So far, using the
+	 * physical addresses (or chip offsets, for chip mapping) works, but
+	 * no doubt some future kernel release will change that, and we'll be
+	 * on to yet another method of dealing with this.
+	 * Normally only one of rcvhdr_tailaddr or rhf_offset is useful
+	 * since the chips with non-zero rhf_offset don't normally
+	 * enable tail register updates to host memory, but for testing,
+	 * both can be enabled and used.
+	 */
+	kinfo->spi_rcvhdr_base = (u64) rcd->rcvhdrq_phys;
+	kinfo->spi_rcvhdr_tailaddr = (u64) rcd->rcvhdrqtailaddr_phys;
+	kinfo->spi_rhf_offset = dd->rhf_offset;
+	kinfo->spi_rcv_egrbufs = (u64) rcd->rcvegr_phys;
+	kinfo->spi_pioavailaddr = (u64) dd->pioavailregs_phys;
+	/* setup per-unit (not port) status area for user programs */
+	kinfo->spi_status = (u64) kinfo->spi_pioavailaddr +
+		(char *) ppd->statusp -
+		(char *) dd->pioavailregs_dma;
+	kinfo->spi_uregbase = (u64) dd->uregbase + dd->ureg_align * rcd->ctxt;
+	if (!shared) {
+		kinfo->spi_piocnt = rcd->piocnt;
+		kinfo->spi_piobufbase = (u64) rcd->piobufs;
+		kinfo->spi_sendbuf_status = cvt_kvaddr(rcd->user_event_mask);
+	} else if (master) {
+		kinfo->spi_piocnt = (rcd->piocnt / subctxt_cnt) +
+				    (rcd->piocnt % subctxt_cnt);
+		/* Master's PIO buffers are after all the slave's */
+		kinfo->spi_piobufbase = (u64) rcd->piobufs +
+			dd->palign *
+			(rcd->piocnt - kinfo->spi_piocnt);
+	} else {
+		unsigned slave = subctxt_fp(fp) - 1;
+
+		kinfo->spi_piocnt = rcd->piocnt / subctxt_cnt;
+		kinfo->spi_piobufbase = (u64) rcd->piobufs +
+			dd->palign * kinfo->spi_piocnt * slave;
+	}
+
+	if (shared) {
+		kinfo->spi_sendbuf_status =
+			cvt_kvaddr(&rcd->user_event_mask[subctxt_fp(fp)]);
+		/* only spi_subctxt_* fields should be set in this block! */
+		kinfo->spi_subctxt_uregbase = cvt_kvaddr(rcd->subctxt_uregbase);
+
+		kinfo->spi_subctxt_rcvegrbuf =
+			cvt_kvaddr(rcd->subctxt_rcvegrbuf);
+		kinfo->spi_subctxt_rcvhdr_base =
+			cvt_kvaddr(rcd->subctxt_rcvhdr_base);
+	}
+
+	/*
+	 * All user buffers are 2KB buffers.  If we ever support
+	 * giving 4KB buffers to user processes, this will need some
+	 * work.  Can't use piobufbase directly, because it has
+	 * both 2K and 4K buffer base values.
+	 */
+	kinfo->spi_pioindex = (kinfo->spi_piobufbase - dd->pio2k_bufbase) /
+		dd->palign;
+	kinfo->spi_pioalign = dd->palign;
+	kinfo->spi_qpair = QIB_KD_QP;
+	/*
+	 * user mode PIO buffers are always 2KB, even when 4KB can
+	 * be received, and sent via the kernel; this is ibmaxlen
+	 * for 2K MTU.
+	 */
+	kinfo->spi_piosize = dd->piosize2k - 2 * sizeof(u32);
+	kinfo->spi_mtu = ppd->ibmaxlen; /* maxlen, not ibmtu */
+	kinfo->spi_ctxt = rcd->ctxt;
+	kinfo->spi_subctxt = subctxt_fp(fp);
+	kinfo->spi_sw_version = QIB_KERN_SWVERSION;
+	kinfo->spi_sw_version |= 1U << 31; /* QLogic-built, not kernel.org */
+	kinfo->spi_hw_version = dd->revision;
+
+	if (master)
+		kinfo->spi_runtime_flags |= QIB_RUNTIME_MASTER;
+
+	sz = (ubase_size < sizeof(*kinfo)) ? ubase_size : sizeof(*kinfo);
+	if (copy_to_user(ubase, kinfo, sz))
+		ret = -EFAULT;
+bail:
+	kfree(kinfo);
+	return ret;
+}
+
+/**
+ * qib_tid_update - update a context TID
+ * @rcd: the context
+ * @fp: the qib device file
+ * @ti: the TID information
+ *
+ * The new implementation as of Oct 2004 is that the driver assigns
+ * the tid and returns it to the caller.   To reduce search time, we
+ * keep a cursor for each context, walking the shadow tid array to find
+ * one that's not in use.
+ *
+ * For now, if we can't allocate the full list, we fail, although
+ * in the long run, we'll allocate as many as we can, and the
+ * caller will deal with that by trying the remaining pages later.
+ * That means that when we fail, we have to mark the tids as not in
+ * use again, in our shadow copy.
+ *
+ * It's up to the caller to free the tids when they are done.
+ * We'll unlock the pages as they free them.
+ *
+ * Also, right now we are locking one page at a time, but since
+ * the intended use of this routine is for a single group of
+ * virtually contiguous pages, that should change to improve
+ * performance.
+ */
+static int qib_tid_update(struct qib_ctxtdata *rcd, struct file *fp,
+			  const struct qib_tid_info *ti)
+{
+	int ret = 0, ntids;
+	u32 tid, ctxttid, cnt, i, tidcnt, tidoff;
+	u16 *tidlist;
+	struct qib_devdata *dd = rcd->dd;
+	u64 physaddr;
+	unsigned long vaddr;
+	u64 __iomem *tidbase;
+	unsigned long tidmap[8];
+	struct page **pagep = NULL;
+	unsigned subctxt = subctxt_fp(fp);
+
+	if (!dd->pageshadow) {
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	cnt = ti->tidcnt;
+	if (!cnt) {
+		ret = -EFAULT;
+		goto done;
+	}
+	ctxttid = rcd->ctxt * dd->rcvtidcnt;
+	if (!rcd->subctxt_cnt) {
+		tidcnt = dd->rcvtidcnt;
+		tid = rcd->tidcursor;
+		tidoff = 0;
+	} else if (!subctxt) {
+		tidcnt = (dd->rcvtidcnt / rcd->subctxt_cnt) +
+			 (dd->rcvtidcnt % rcd->subctxt_cnt);
+		tidoff = dd->rcvtidcnt - tidcnt;
+		ctxttid += tidoff;
+		tid = tidcursor_fp(fp);
+	} else {
+		tidcnt = dd->rcvtidcnt / rcd->subctxt_cnt;
+		tidoff = tidcnt * (subctxt - 1);
+		ctxttid += tidoff;
+		tid = tidcursor_fp(fp);
+	}
+	if (cnt > tidcnt) {
+		/* make sure it all fits in tid_pg_list */
+		qib_devinfo(dd->pcidev, "Process tried to allocate %u "
+			 "TIDs, only trying max (%u)\n", cnt, tidcnt);
+		cnt = tidcnt;
+	}
+	pagep = (struct page **) rcd->tid_pg_list;
+	tidlist = (u16 *) &pagep[dd->rcvtidcnt];
+	pagep += tidoff;
+	tidlist += tidoff;
+
+	memset(tidmap, 0, sizeof(tidmap));
+	/* before decrement; chip actual # */
+	ntids = tidcnt;
+	tidbase = (u64 __iomem *) (((char __iomem *) dd->kregbase) +
+				   dd->rcvtidbase +
+				   ctxttid * sizeof(*tidbase));
+
+	/* virtual address of first page in transfer */
+	vaddr = ti->tidvaddr;
+	if (!access_ok(VERIFY_WRITE, (void __user *) vaddr,
+		       cnt * PAGE_SIZE)) {
+		ret = -EFAULT;
+		goto done;
+	}
+	ret = qib_get_user_pages(vaddr, cnt, pagep);
+	if (ret) {
+		/*
+		 * if (ret == -EBUSY)
+		 * We can't continue because the pagep array won't be
+		 * initialized. This should never happen,
+		 * unless perhaps the user has mpin'ed the pages
+		 * themselves.
+		 */
+		qib_devinfo(dd->pcidev,
+			 "Failed to lock addr %p, %u pages: "
+			 "errno %d\n", (void *) vaddr, cnt, -ret);
+		goto done;
+	}
+	for (i = 0; i < cnt; i++, vaddr += PAGE_SIZE) {
+		for (; ntids--; tid++) {
+			if (tid == tidcnt)
+				tid = 0;
+			if (!dd->pageshadow[ctxttid + tid])
+				break;
+		}
+		if (ntids < 0) {
+			/*
+			 * Oops, wrapped all the way through their TIDs,
+			 * and didn't have enough free; see comments at
+			 * start of routine
+			 */
+			i--;    /* last tidlist[i] not filled in */
+			ret = -ENOMEM;
+			break;
+		}
+		tidlist[i] = tid + tidoff;
+		/* we "know" system pages and TID pages are same size */
+		dd->pageshadow[ctxttid + tid] = pagep[i];
+		dd->physshadow[ctxttid + tid] =
+			qib_map_page(dd->pcidev, pagep[i], 0, PAGE_SIZE,
+				     PCI_DMA_FROMDEVICE);
+		/*
+		 * don't need atomic or it's overhead
+		 */
+		__set_bit(tid, tidmap);
+		physaddr = dd->physshadow[ctxttid + tid];
+		/* PERFORMANCE: below should almost certainly be cached */
+		dd->f_put_tid(dd, &tidbase[tid],
+				  RCVHQ_RCV_TYPE_EXPECTED, physaddr);
+		/*
+		 * don't check this tid in qib_ctxtshadow, since we
+		 * just filled it in; start with the next one.
+		 */
+		tid++;
+	}
+
+	if (ret) {
+		u32 limit;
+cleanup:
+		/* jump here if copy out of updated info failed... */
+		/* same code that's in qib_free_tid() */
+		limit = sizeof(tidmap) * BITS_PER_BYTE;
+		if (limit > tidcnt)
+			/* just in case size changes in future */
+			limit = tidcnt;
+		tid = find_first_bit((const unsigned long *)tidmap, limit);
+		for (; tid < limit; tid++) {
+			if (!test_bit(tid, tidmap))
+				continue;
+			if (dd->pageshadow[ctxttid + tid]) {
+				dma_addr_t phys;
+
+				phys = dd->physshadow[ctxttid + tid];
+				dd->physshadow[ctxttid + tid] = dd->tidinvalid;
+				/* PERFORMANCE: below should almost certainly
+				 * be cached
+				 */
+				dd->f_put_tid(dd, &tidbase[tid],
+					      RCVHQ_RCV_TYPE_EXPECTED,
+					      dd->tidinvalid);
+				pci_unmap_page(dd->pcidev, phys, PAGE_SIZE,
+					       PCI_DMA_FROMDEVICE);
+				dd->pageshadow[ctxttid + tid] = NULL;
+			}
+		}
+		qib_release_user_pages(pagep, cnt);
+	} else {
+		/*
+		 * Copy the updated array, with qib_tid's filled in, back
+		 * to user.  Since we did the copy in already, this "should
+		 * never fail" If it does, we have to clean up...
+		 */
+		if (copy_to_user((void __user *)
+				 (unsigned long) ti->tidlist,
+				 tidlist, cnt * sizeof(*tidlist))) {
+			ret = -EFAULT;
+			goto cleanup;
+		}
+		if (copy_to_user((void __user *) (unsigned long) ti->tidmap,
+				 tidmap, sizeof tidmap)) {
+			ret = -EFAULT;
+			goto cleanup;
+		}
+		if (tid == tidcnt)
+			tid = 0;
+		if (!rcd->subctxt_cnt)
+			rcd->tidcursor = tid;
+		else
+			tidcursor_fp(fp) = tid;
+	}
+
+done:
+	return ret;
+}
+
+/**
+ * qib_tid_free - free a context TID
+ * @rcd: the context
+ * @subctxt: the subcontext
+ * @ti: the TID info
+ *
+ * right now we are unlocking one page at a time, but since
+ * the intended use of this routine is for a single group of
+ * virtually contiguous pages, that should change to improve
+ * performance.  We check that the TID is in range for this context
+ * but otherwise don't check validity; if user has an error and
+ * frees the wrong tid, it's only their own data that can thereby
+ * be corrupted.  We do check that the TID was in use, for sanity
+ * We always use our idea of the saved address, not the address that
+ * they pass in to us.
+ */
+static int qib_tid_free(struct qib_ctxtdata *rcd, unsigned subctxt,
+			const struct qib_tid_info *ti)
+{
+	int ret = 0;
+	u32 tid, ctxttid, cnt, limit, tidcnt;
+	struct qib_devdata *dd = rcd->dd;
+	u64 __iomem *tidbase;
+	unsigned long tidmap[8];
+
+	if (!dd->pageshadow) {
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	if (copy_from_user(tidmap, (void __user *)(unsigned long)ti->tidmap,
+			   sizeof tidmap)) {
+		ret = -EFAULT;
+		goto done;
+	}
+
+	ctxttid = rcd->ctxt * dd->rcvtidcnt;
+	if (!rcd->subctxt_cnt)
+		tidcnt = dd->rcvtidcnt;
+	else if (!subctxt) {
+		tidcnt = (dd->rcvtidcnt / rcd->subctxt_cnt) +
+			 (dd->rcvtidcnt % rcd->subctxt_cnt);
+		ctxttid += dd->rcvtidcnt - tidcnt;
+	} else {
+		tidcnt = dd->rcvtidcnt / rcd->subctxt_cnt;
+		ctxttid += tidcnt * (subctxt - 1);
+	}
+	tidbase = (u64 __iomem *) ((char __iomem *)(dd->kregbase) +
+				   dd->rcvtidbase +
+				   ctxttid * sizeof(*tidbase));
+
+	limit = sizeof(tidmap) * BITS_PER_BYTE;
+	if (limit > tidcnt)
+		/* just in case size changes in future */
+		limit = tidcnt;
+	tid = find_first_bit(tidmap, limit);
+	for (cnt = 0; tid < limit; tid++) {
+		/*
+		 * small optimization; if we detect a run of 3 or so without
+		 * any set, use find_first_bit again.  That's mainly to
+		 * accelerate the case where we wrapped, so we have some at
+		 * the beginning, and some at the end, and a big gap
+		 * in the middle.
+		 */
+		if (!test_bit(tid, tidmap))
+			continue;
+		cnt++;
+		if (dd->pageshadow[ctxttid + tid]) {
+			struct page *p;
+			dma_addr_t phys;
+
+			p = dd->pageshadow[ctxttid + tid];
+			dd->pageshadow[ctxttid + tid] = NULL;
+			phys = dd->physshadow[ctxttid + tid];
+			dd->physshadow[ctxttid + tid] = dd->tidinvalid;
+			/* PERFORMANCE: below should almost certainly be
+			 * cached
+			 */
+			dd->f_put_tid(dd, &tidbase[tid],
+				      RCVHQ_RCV_TYPE_EXPECTED, dd->tidinvalid);
+			pci_unmap_page(dd->pcidev, phys, PAGE_SIZE,
+				       PCI_DMA_FROMDEVICE);
+			qib_release_user_pages(&p, 1);
+		}
+	}
+done:
+	return ret;
+}
+
+/**
+ * qib_set_part_key - set a partition key
+ * @rcd: the context
+ * @key: the key
+ *
+ * We can have up to 4 active at a time (other than the default, which is
+ * always allowed).  This is somewhat tricky, since multiple contexts may set
+ * the same key, so we reference count them, and clean up at exit.  All 4
+ * partition keys are packed into a single qlogic_ib register.  It's an
+ * error for a process to set the same pkey multiple times.  We provide no
+ * mechanism to de-allocate a pkey at this time, we may eventually need to
+ * do that.  I've used the atomic operations, and no locking, and only make
+ * a single pass through what's available.  This should be more than
+ * adequate for some time. I'll think about spinlocks or the like if and as
+ * it's necessary.
+ */
+static int qib_set_part_key(struct qib_ctxtdata *rcd, u16 key)
+{
+	struct qib_pportdata *ppd = rcd->ppd;
+	int i, any = 0, pidx = -1;
+	u16 lkey = key & 0x7FFF;
+	int ret;
+
+	if (lkey == (QIB_DEFAULT_P_KEY & 0x7FFF)) {
+		/* nothing to do; this key always valid */
+		ret = 0;
+		goto bail;
+	}
+
+	if (!lkey) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	/*
+	 * Set the full membership bit, because it has to be
+	 * set in the register or the packet, and it seems
+	 * cleaner to set in the register than to force all
+	 * callers to set it.
+	 */
+	key |= 0x8000;
+
+	for (i = 0; i < ARRAY_SIZE(rcd->pkeys); i++) {
+		if (!rcd->pkeys[i] && pidx == -1)
+			pidx = i;
+		if (rcd->pkeys[i] == key) {
+			ret = -EEXIST;
+			goto bail;
+		}
+	}
+	if (pidx == -1) {
+		ret = -EBUSY;
+		goto bail;
+	}
+	for (any = i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {
+		if (!ppd->pkeys[i]) {
+			any++;
+			continue;
+		}
+		if (ppd->pkeys[i] == key) {
+			atomic_t *pkrefs = &ppd->pkeyrefs[i];
+
+			if (atomic_inc_return(pkrefs) > 1) {
+				rcd->pkeys[pidx] = key;
+				ret = 0;
+				goto bail;
+			} else {
+				/*
+				 * lost race, decrement count, catch below
+				 */
+				atomic_dec(pkrefs);
+				any++;
+			}
+		}
+		if ((ppd->pkeys[i] & 0x7FFF) == lkey) {
+			/*
+			 * It makes no sense to have both the limited and
+			 * full membership PKEY set at the same time since
+			 * the unlimited one will disable the limited one.
+			 */
+			ret = -EEXIST;
+			goto bail;
+		}
+	}
+	if (!any) {
+		ret = -EBUSY;
+		goto bail;
+	}
+	for (any = i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {
+		if (!ppd->pkeys[i] &&
+		    atomic_inc_return(&ppd->pkeyrefs[i]) == 1) {
+			rcd->pkeys[pidx] = key;
+			ppd->pkeys[i] = key;
+			(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PKEYS, 0);
+			ret = 0;
+			goto bail;
+		}
+	}
+	ret = -EBUSY;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_manage_rcvq - manage a context's receive queue
+ * @rcd: the context
+ * @subctxt: the subcontext
+ * @start_stop: action to carry out
+ *
+ * start_stop == 0 disables receive on the context, for use in queue
+ * overflow conditions.  start_stop==1 re-enables, to be used to
+ * re-init the software copy of the head register
+ */
+static int qib_manage_rcvq(struct qib_ctxtdata *rcd, unsigned subctxt,
+			   int start_stop)
+{
+	struct qib_devdata *dd = rcd->dd;
+	unsigned int rcvctrl_op;
+
+	if (subctxt)
+		goto bail;
+	/* atomically clear receive enable ctxt. */
+	if (start_stop) {
+		/*
+		 * On enable, force in-memory copy of the tail register to
+		 * 0, so that protocol code doesn't have to worry about
+		 * whether or not the chip has yet updated the in-memory
+		 * copy or not on return from the system call. The chip
+		 * always resets it's tail register back to 0 on a
+		 * transition from disabled to enabled.
+		 */
+		if (rcd->rcvhdrtail_kvaddr)
+			qib_clear_rcvhdrtail(rcd);
+		rcvctrl_op = QIB_RCVCTRL_CTXT_ENB;
+	} else
+		rcvctrl_op = QIB_RCVCTRL_CTXT_DIS;
+	dd->f_rcvctrl(rcd->ppd, rcvctrl_op, rcd->ctxt);
+	/* always; new head should be equal to new tail; see above */
+bail:
+	return 0;
+}
+
+static void qib_clean_part_key(struct qib_ctxtdata *rcd,
+			       struct qib_devdata *dd)
+{
+	int i, j, pchanged = 0;
+	u64 oldpkey;
+	struct qib_pportdata *ppd = rcd->ppd;
+
+	/* for debugging only */
+	oldpkey = (u64) ppd->pkeys[0] |
+		((u64) ppd->pkeys[1] << 16) |
+		((u64) ppd->pkeys[2] << 32) |
+		((u64) ppd->pkeys[3] << 48);
+
+	for (i = 0; i < ARRAY_SIZE(rcd->pkeys); i++) {
+		if (!rcd->pkeys[i])
+			continue;
+		for (j = 0; j < ARRAY_SIZE(ppd->pkeys); j++) {
+			/* check for match independent of the global bit */
+			if ((ppd->pkeys[j] & 0x7fff) !=
+			    (rcd->pkeys[i] & 0x7fff))
+				continue;
+			if (atomic_dec_and_test(&ppd->pkeyrefs[j])) {
+				ppd->pkeys[j] = 0;
+				pchanged++;
+			}
+			break;
+		}
+		rcd->pkeys[i] = 0;
+	}
+	if (pchanged)
+		(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PKEYS, 0);
+}
+
+/* common code for the mappings on dma_alloc_coherent mem */
+static int qib_mmap_mem(struct vm_area_struct *vma, struct qib_ctxtdata *rcd,
+			unsigned len, void *kvaddr, u32 write_ok, char *what)
+{
+	struct qib_devdata *dd = rcd->dd;
+	unsigned long pfn;
+	int ret;
+
+	if ((vma->vm_end - vma->vm_start) > len) {
+		qib_devinfo(dd->pcidev,
+			 "FAIL on %s: len %lx > %x\n", what,
+			 vma->vm_end - vma->vm_start, len);
+		ret = -EFAULT;
+		goto bail;
+	}
+
+	/*
+	 * shared context user code requires rcvhdrq mapped r/w, others
+	 * only allowed readonly mapping.
+	 */
+	if (!write_ok) {
+		if (vma->vm_flags & VM_WRITE) {
+			qib_devinfo(dd->pcidev,
+				 "%s must be mapped readonly\n", what);
+			ret = -EPERM;
+			goto bail;
+		}
+
+		/* don't allow them to later change with mprotect */
+		vma->vm_flags &= ~VM_MAYWRITE;
+	}
+
+	pfn = virt_to_phys(kvaddr) >> PAGE_SHIFT;
+	ret = remap_pfn_range(vma, vma->vm_start, pfn,
+			      len, vma->vm_page_prot);
+	if (ret)
+		qib_devinfo(dd->pcidev, "%s ctxt%u mmap of %lx, %x "
+			 "bytes failed: %d\n", what, rcd->ctxt,
+			 pfn, len, ret);
+bail:
+	return ret;
+}
+
+static int mmap_ureg(struct vm_area_struct *vma, struct qib_devdata *dd,
+		     u64 ureg)
+{
+	unsigned long phys;
+	unsigned long sz;
+	int ret;
+
+	/*
+	 * This is real hardware, so use io_remap.  This is the mechanism
+	 * for the user process to update the head registers for their ctxt
+	 * in the chip.
+	 */
+	sz = dd->flags & QIB_HAS_HDRSUPP ? 2 * PAGE_SIZE : PAGE_SIZE;
+	if ((vma->vm_end - vma->vm_start) > sz) {
+		qib_devinfo(dd->pcidev, "FAIL mmap userreg: reqlen "
+			 "%lx > PAGE\n", vma->vm_end - vma->vm_start);
+		ret = -EFAULT;
+	} else {
+		phys = dd->physaddr + ureg;
+		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+
+		vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
+		ret = io_remap_pfn_range(vma, vma->vm_start,
+					 phys >> PAGE_SHIFT,
+					 vma->vm_end - vma->vm_start,
+					 vma->vm_page_prot);
+	}
+	return ret;
+}
+
+static int mmap_piobufs(struct vm_area_struct *vma,
+			struct qib_devdata *dd,
+			struct qib_ctxtdata *rcd,
+			unsigned piobufs, unsigned piocnt)
+{
+	unsigned long phys;
+	int ret;
+
+	/*
+	 * When we map the PIO buffers in the chip, we want to map them as
+	 * writeonly, no read possible; unfortunately, x86 doesn't allow
+	 * for this in hardware, but we still prevent users from asking
+	 * for it.
+	 */
+	if ((vma->vm_end - vma->vm_start) > (piocnt * dd->palign)) {
+		qib_devinfo(dd->pcidev, "FAIL mmap piobufs: "
+			 "reqlen %lx > PAGE\n",
+			 vma->vm_end - vma->vm_start);
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	phys = dd->physaddr + piobufs;
+
+#if defined(__powerpc__)
+	/* There isn't a generic way to specify writethrough mappings */
+	pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
+	pgprot_val(vma->vm_page_prot) |= _PAGE_WRITETHRU;
+	pgprot_val(vma->vm_page_prot) &= ~_PAGE_GUARDED;
+#endif
+
+	/*
+	 * don't allow them to later change to readable with mprotect (for when
+	 * not initially mapped readable, as is normally the case)
+	 */
+	vma->vm_flags &= ~VM_MAYREAD;
+	vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
+
+	if (qib_wc_pat)
+		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+
+	ret = io_remap_pfn_range(vma, vma->vm_start, phys >> PAGE_SHIFT,
+				 vma->vm_end - vma->vm_start,
+				 vma->vm_page_prot);
+bail:
+	return ret;
+}
+
+static int mmap_rcvegrbufs(struct vm_area_struct *vma,
+			   struct qib_ctxtdata *rcd)
+{
+	struct qib_devdata *dd = rcd->dd;
+	unsigned long start, size;
+	size_t total_size, i;
+	unsigned long pfn;
+	int ret;
+
+	size = rcd->rcvegrbuf_size;
+	total_size = rcd->rcvegrbuf_chunks * size;
+	if ((vma->vm_end - vma->vm_start) > total_size) {
+		qib_devinfo(dd->pcidev, "FAIL on egr bufs: "
+			 "reqlen %lx > actual %lx\n",
+			 vma->vm_end - vma->vm_start,
+			 (unsigned long) total_size);
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	if (vma->vm_flags & VM_WRITE) {
+		qib_devinfo(dd->pcidev, "Can't map eager buffers as "
+			 "writable (flags=%lx)\n", vma->vm_flags);
+		ret = -EPERM;
+		goto bail;
+	}
+	/* don't allow them to later change to writeable with mprotect */
+	vma->vm_flags &= ~VM_MAYWRITE;
+
+	start = vma->vm_start;
+
+	for (i = 0; i < rcd->rcvegrbuf_chunks; i++, start += size) {
+		pfn = virt_to_phys(rcd->rcvegrbuf[i]) >> PAGE_SHIFT;
+		ret = remap_pfn_range(vma, start, pfn, size,
+				      vma->vm_page_prot);
+		if (ret < 0)
+			goto bail;
+	}
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/*
+ * qib_file_vma_fault - handle a VMA page fault.
+ */
+static int qib_file_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+	struct page *page;
+
+	page = vmalloc_to_page((void *)(vmf->pgoff << PAGE_SHIFT));
+	if (!page)
+		return VM_FAULT_SIGBUS;
+
+	get_page(page);
+	vmf->page = page;
+
+	return 0;
+}
+
+static struct vm_operations_struct qib_file_vm_ops = {
+	.fault = qib_file_vma_fault,
+};
+
+static int mmap_kvaddr(struct vm_area_struct *vma, u64 pgaddr,
+		       struct qib_ctxtdata *rcd, unsigned subctxt)
+{
+	struct qib_devdata *dd = rcd->dd;
+	unsigned subctxt_cnt;
+	unsigned long len;
+	void *addr;
+	size_t size;
+	int ret = 0;
+
+	subctxt_cnt = rcd->subctxt_cnt;
+	size = rcd->rcvegrbuf_chunks * rcd->rcvegrbuf_size;
+
+	/*
+	 * Each process has all the subctxt uregbase, rcvhdrq, and
+	 * rcvegrbufs mmapped - as an array for all the processes,
+	 * and also separately for this process.
+	 */
+	if (pgaddr == cvt_kvaddr(rcd->subctxt_uregbase)) {
+		addr = rcd->subctxt_uregbase;
+		size = PAGE_SIZE * subctxt_cnt;
+	} else if (pgaddr == cvt_kvaddr(rcd->subctxt_rcvhdr_base)) {
+		addr = rcd->subctxt_rcvhdr_base;
+		size = rcd->rcvhdrq_size * subctxt_cnt;
+	} else if (pgaddr == cvt_kvaddr(rcd->subctxt_rcvegrbuf)) {
+		addr = rcd->subctxt_rcvegrbuf;
+		size *= subctxt_cnt;
+	} else if (pgaddr == cvt_kvaddr(rcd->subctxt_uregbase +
+					PAGE_SIZE * subctxt)) {
+		addr = rcd->subctxt_uregbase + PAGE_SIZE * subctxt;
+		size = PAGE_SIZE;
+	} else if (pgaddr == cvt_kvaddr(rcd->subctxt_rcvhdr_base +
+					rcd->rcvhdrq_size * subctxt)) {
+		addr = rcd->subctxt_rcvhdr_base +
+			rcd->rcvhdrq_size * subctxt;
+		size = rcd->rcvhdrq_size;
+	} else if (pgaddr == cvt_kvaddr(&rcd->user_event_mask[subctxt])) {
+		addr = rcd->user_event_mask;
+		size = PAGE_SIZE;
+	} else if (pgaddr == cvt_kvaddr(rcd->subctxt_rcvegrbuf +
+					size * subctxt)) {
+		addr = rcd->subctxt_rcvegrbuf + size * subctxt;
+		/* rcvegrbufs are read-only on the slave */
+		if (vma->vm_flags & VM_WRITE) {
+			qib_devinfo(dd->pcidev,
+				 "Can't map eager buffers as "
+				 "writable (flags=%lx)\n", vma->vm_flags);
+			ret = -EPERM;
+			goto bail;
+		}
+		/*
+		 * Don't allow permission to later change to writeable
+		 * with mprotect.
+		 */
+		vma->vm_flags &= ~VM_MAYWRITE;
+	} else
+		goto bail;
+	len = vma->vm_end - vma->vm_start;
+	if (len > size) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	vma->vm_pgoff = (unsigned long) addr >> PAGE_SHIFT;
+	vma->vm_ops = &qib_file_vm_ops;
+	vma->vm_flags |= VM_RESERVED | VM_DONTEXPAND;
+	ret = 1;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_mmapf - mmap various structures into user space
+ * @fp: the file pointer
+ * @vma: the VM area
+ *
+ * We use this to have a shared buffer between the kernel and the user code
+ * for the rcvhdr queue, egr buffers, and the per-context user regs and pio
+ * buffers in the chip.  We have the open and close entries so we can bump
+ * the ref count and keep the driver from being unloaded while still mapped.
+ */
+static int qib_mmapf(struct file *fp, struct vm_area_struct *vma)
+{
+	struct qib_ctxtdata *rcd;
+	struct qib_devdata *dd;
+	u64 pgaddr, ureg;
+	unsigned piobufs, piocnt;
+	int ret, match = 1;
+
+	rcd = ctxt_fp(fp);
+	if (!rcd || !(vma->vm_flags & VM_SHARED)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	dd = rcd->dd;
+
+	/*
+	 * This is the qib_do_user_init() code, mapping the shared buffers
+	 * and per-context user registers into the user process. The address
+	 * referred to by vm_pgoff is the file offset passed via mmap().
+	 * For shared contexts, this is the kernel vmalloc() address of the
+	 * pages to share with the master.
+	 * For non-shared or master ctxts, this is a physical address.
+	 * We only do one mmap for each space mapped.
+	 */
+	pgaddr = vma->vm_pgoff << PAGE_SHIFT;
+
+	/*
+	 * Check for 0 in case one of the allocations failed, but user
+	 * called mmap anyway.
+	 */
+	if (!pgaddr)  {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	/*
+	 * Physical addresses must fit in 40 bits for our hardware.
+	 * Check for kernel virtual addresses first, anything else must
+	 * match a HW or memory address.
+	 */
+	ret = mmap_kvaddr(vma, pgaddr, rcd, subctxt_fp(fp));
+	if (ret) {
+		if (ret > 0)
+			ret = 0;
+		goto bail;
+	}
+
+	ureg = dd->uregbase + dd->ureg_align * rcd->ctxt;
+	if (!rcd->subctxt_cnt) {
+		/* ctxt is not shared */
+		piocnt = rcd->piocnt;
+		piobufs = rcd->piobufs;
+	} else if (!subctxt_fp(fp)) {
+		/* caller is the master */
+		piocnt = (rcd->piocnt / rcd->subctxt_cnt) +
+			 (rcd->piocnt % rcd->subctxt_cnt);
+		piobufs = rcd->piobufs +
+			dd->palign * (rcd->piocnt - piocnt);
+	} else {
+		unsigned slave = subctxt_fp(fp) - 1;
+
+		/* caller is a slave */
+		piocnt = rcd->piocnt / rcd->subctxt_cnt;
+		piobufs = rcd->piobufs + dd->palign * piocnt * slave;
+	}
+
+	if (pgaddr == ureg)
+		ret = mmap_ureg(vma, dd, ureg);
+	else if (pgaddr == piobufs)
+		ret = mmap_piobufs(vma, dd, rcd, piobufs, piocnt);
+	else if (pgaddr == dd->pioavailregs_phys)
+		/* in-memory copy of pioavail registers */
+		ret = qib_mmap_mem(vma, rcd, PAGE_SIZE,
+				   (void *) dd->pioavailregs_dma, 0,
+				   "pioavail registers");
+	else if (pgaddr == rcd->rcvegr_phys)
+		ret = mmap_rcvegrbufs(vma, rcd);
+	else if (pgaddr == (u64) rcd->rcvhdrq_phys)
+		/*
+		 * The rcvhdrq itself; multiple pages, contiguous
+		 * from an i/o perspective.  Shared contexts need
+		 * to map r/w, so we allow writing.
+		 */
+		ret = qib_mmap_mem(vma, rcd, rcd->rcvhdrq_size,
+				   rcd->rcvhdrq, 1, "rcvhdrq");
+	else if (pgaddr == (u64) rcd->rcvhdrqtailaddr_phys)
+		/* in-memory copy of rcvhdrq tail register */
+		ret = qib_mmap_mem(vma, rcd, PAGE_SIZE,
+				   rcd->rcvhdrtail_kvaddr, 0,
+				   "rcvhdrq tail");
+	else
+		match = 0;
+	if (!match)
+		ret = -EINVAL;
+
+	vma->vm_private_data = NULL;
+
+	if (ret < 0)
+		qib_devinfo(dd->pcidev,
+			 "mmap Failure %d: off %llx len %lx\n",
+			 -ret, (unsigned long long)pgaddr,
+			 vma->vm_end - vma->vm_start);
+bail:
+	return ret;
+}
+
+static unsigned int qib_poll_urgent(struct qib_ctxtdata *rcd,
+				    struct file *fp,
+				    struct poll_table_struct *pt)
+{
+	struct qib_devdata *dd = rcd->dd;
+	unsigned pollflag;
+
+	poll_wait(fp, &rcd->wait, pt);
+
+	spin_lock_irq(&dd->uctxt_lock);
+	if (rcd->urgent != rcd->urgent_poll) {
+		pollflag = POLLIN | POLLRDNORM;
+		rcd->urgent_poll = rcd->urgent;
+	} else {
+		pollflag = 0;
+		set_bit(QIB_CTXT_WAITING_URG, &rcd->flag);
+	}
+	spin_unlock_irq(&dd->uctxt_lock);
+
+	return pollflag;
+}
+
+static unsigned int qib_poll_next(struct qib_ctxtdata *rcd,
+				  struct file *fp,
+				  struct poll_table_struct *pt)
+{
+	struct qib_devdata *dd = rcd->dd;
+	unsigned pollflag;
+
+	poll_wait(fp, &rcd->wait, pt);
+
+	spin_lock_irq(&dd->uctxt_lock);
+	if (dd->f_hdrqempty(rcd)) {
+		set_bit(QIB_CTXT_WAITING_RCV, &rcd->flag);
+		dd->f_rcvctrl(rcd->ppd, QIB_RCVCTRL_INTRAVAIL_ENB, rcd->ctxt);
+		pollflag = 0;
+	} else
+		pollflag = POLLIN | POLLRDNORM;
+	spin_unlock_irq(&dd->uctxt_lock);
+
+	return pollflag;
+}
+
+static unsigned int qib_poll(struct file *fp, struct poll_table_struct *pt)
+{
+	struct qib_ctxtdata *rcd;
+	unsigned pollflag;
+
+	rcd = ctxt_fp(fp);
+	if (!rcd)
+		pollflag = POLLERR;
+	else if (rcd->poll_type == QIB_POLL_TYPE_URGENT)
+		pollflag = qib_poll_urgent(rcd, fp, pt);
+	else  if (rcd->poll_type == QIB_POLL_TYPE_ANYRCV)
+		pollflag = qib_poll_next(rcd, fp, pt);
+	else /* invalid */
+		pollflag = POLLERR;
+
+	return pollflag;
+}
+
+/*
+ * Check that userland and driver are compatible for subcontexts.
+ */
+static int qib_compatible_subctxts(int user_swmajor, int user_swminor)
+{
+	/* this code is written long-hand for clarity */
+	if (QIB_USER_SWMAJOR != user_swmajor) {
+		/* no promise of compatibility if major mismatch */
+		return 0;
+	}
+	if (QIB_USER_SWMAJOR == 1) {
+		switch (QIB_USER_SWMINOR) {
+		case 0:
+		case 1:
+		case 2:
+			/* no subctxt implementation so cannot be compatible */
+			return 0;
+		case 3:
+			/* 3 is only compatible with itself */
+			return user_swminor == 3;
+		default:
+			/* >= 4 are compatible (or are expected to be) */
+			return user_swminor >= 4;
+		}
+	}
+	/* make no promises yet for future major versions */
+	return 0;
+}
+
+static int init_subctxts(struct qib_devdata *dd,
+			 struct qib_ctxtdata *rcd,
+			 const struct qib_user_info *uinfo)
+{
+	int ret = 0;
+	unsigned num_subctxts;
+	size_t size;
+
+	/*
+	 * If the user is requesting zero subctxts,
+	 * skip the subctxt allocation.
+	 */
+	if (uinfo->spu_subctxt_cnt <= 0)
+		goto bail;
+	num_subctxts = uinfo->spu_subctxt_cnt;
+
+	/* Check for subctxt compatibility */
+	if (!qib_compatible_subctxts(uinfo->spu_userversion >> 16,
+		uinfo->spu_userversion & 0xffff)) {
+		qib_devinfo(dd->pcidev,
+			 "Mismatched user version (%d.%d) and driver "
+			 "version (%d.%d) while context sharing. Ensure "
+			 "that driver and library are from the same "
+			 "release.\n",
+			 (int) (uinfo->spu_userversion >> 16),
+			 (int) (uinfo->spu_userversion & 0xffff),
+			 QIB_USER_SWMAJOR, QIB_USER_SWMINOR);
+		goto bail;
+	}
+	if (num_subctxts > QLOGIC_IB_MAX_SUBCTXT) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	rcd->subctxt_uregbase = vmalloc_user(PAGE_SIZE * num_subctxts);
+	if (!rcd->subctxt_uregbase) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+	/* Note: rcd->rcvhdrq_size isn't initialized yet. */
+	size = ALIGN(dd->rcvhdrcnt * dd->rcvhdrentsize *
+		     sizeof(u32), PAGE_SIZE) * num_subctxts;
+	rcd->subctxt_rcvhdr_base = vmalloc_user(size);
+	if (!rcd->subctxt_rcvhdr_base) {
+		ret = -ENOMEM;
+		goto bail_ureg;
+	}
+
+	rcd->subctxt_rcvegrbuf = vmalloc_user(rcd->rcvegrbuf_chunks *
+					      rcd->rcvegrbuf_size *
+					      num_subctxts);
+	if (!rcd->subctxt_rcvegrbuf) {
+		ret = -ENOMEM;
+		goto bail_rhdr;
+	}
+
+	rcd->subctxt_cnt = uinfo->spu_subctxt_cnt;
+	rcd->subctxt_id = uinfo->spu_subctxt_id;
+	rcd->active_slaves = 1;
+	rcd->redirect_seq_cnt = 1;
+	set_bit(QIB_CTXT_MASTER_UNINIT, &rcd->flag);
+	goto bail;
+
+bail_rhdr:
+	vfree(rcd->subctxt_rcvhdr_base);
+bail_ureg:
+	vfree(rcd->subctxt_uregbase);
+	rcd->subctxt_uregbase = NULL;
+bail:
+	return ret;
+}
+
+static int setup_ctxt(struct qib_pportdata *ppd, int ctxt,
+		      struct file *fp, const struct qib_user_info *uinfo)
+{
+	struct qib_devdata *dd = ppd->dd;
+	struct qib_ctxtdata *rcd;
+	void *ptmp = NULL;
+	int ret;
+
+	rcd = qib_create_ctxtdata(ppd, ctxt);
+
+	/*
+	 * Allocate memory for use in qib_tid_update() at open to
+	 * reduce cost of expected send setup per message segment
+	 */
+	if (rcd)
+		ptmp = kmalloc(dd->rcvtidcnt * sizeof(u16) +
+			       dd->rcvtidcnt * sizeof(struct page **),
+			       GFP_KERNEL);
+
+	if (!rcd || !ptmp) {
+		qib_dev_err(dd, "Unable to allocate ctxtdata "
+			    "memory, failing open\n");
+		ret = -ENOMEM;
+		goto bailerr;
+	}
+	rcd->userversion = uinfo->spu_userversion;
+	ret = init_subctxts(dd, rcd, uinfo);
+	if (ret)
+		goto bailerr;
+	rcd->tid_pg_list = ptmp;
+	rcd->pid = current->pid;
+	init_waitqueue_head(&dd->rcd[ctxt]->wait);
+	strlcpy(rcd->comm, current->comm, sizeof(rcd->comm));
+	ctxt_fp(fp) = rcd;
+	qib_stats.sps_ctxts++;
+	ret = 0;
+	goto bail;
+
+bailerr:
+	dd->rcd[ctxt] = NULL;
+	kfree(rcd);
+	kfree(ptmp);
+bail:
+	return ret;
+}
+
+static inline int usable(struct qib_pportdata *ppd, int active_only)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u32 linkok = active_only ? QIBL_LINKACTIVE :
+		 (QIBL_LINKINIT | QIBL_LINKARMED | QIBL_LINKACTIVE);
+
+	return dd && (dd->flags & QIB_PRESENT) && dd->kregbase && ppd->lid &&
+		(ppd->lflags & linkok);
+}
+
+static int find_free_ctxt(int unit, struct file *fp,
+			  const struct qib_user_info *uinfo)
+{
+	struct qib_devdata *dd = qib_lookup(unit);
+	struct qib_pportdata *ppd = NULL;
+	int ret;
+	u32 ctxt;
+
+	if (!dd || (uinfo->spu_port && uinfo->spu_port > dd->num_pports)) {
+		ret = -ENODEV;
+		goto bail;
+	}
+
+	/*
+	 * If users requests specific port, only try that one port, else
+	 * select "best" port below, based on context.
+	 */
+	if (uinfo->spu_port) {
+		ppd = dd->pport + uinfo->spu_port - 1;
+		if (!usable(ppd, 0)) {
+			ret = -ENETDOWN;
+			goto bail;
+		}
+	}
+
+	for (ctxt = dd->first_user_ctxt; ctxt < dd->cfgctxts; ctxt++) {
+		if (dd->rcd[ctxt])
+			continue;
+		/*
+		 * The setting and clearing of user context rcd[x] protected
+		 * by the qib_mutex
+		 */
+		if (!ppd) {
+			/* choose port based on ctxt, if up, else 1st up */
+			ppd = dd->pport + (ctxt % dd->num_pports);
+			if (!usable(ppd, 0)) {
+				int i;
+				for (i = 0; i < dd->num_pports; i++) {
+					ppd = dd->pport + i;
+					if (usable(ppd, 0))
+						break;
+				}
+				if (i == dd->num_pports) {
+					ret = -ENETDOWN;
+					goto bail;
+				}
+			}
+		}
+		ret = setup_ctxt(ppd, ctxt, fp, uinfo);
+		goto bail;
+	}
+	ret = -EBUSY;
+
+bail:
+	return ret;
+}
+
+static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo)
+{
+	struct qib_pportdata *ppd;
+	int ret = 0, devmax;
+	int npresent, nup;
+	int ndev;
+	u32 port = uinfo->spu_port, ctxt;
+
+	devmax = qib_count_units(&npresent, &nup);
+
+	for (ndev = 0; ndev < devmax; ndev++) {
+		struct qib_devdata *dd = qib_lookup(ndev);
+
+		/* device portion of usable() */
+		if (!(dd && (dd->flags & QIB_PRESENT) && dd->kregbase))
+			continue;
+		for (ctxt = dd->first_user_ctxt; ctxt < dd->cfgctxts; ctxt++) {
+			if (dd->rcd[ctxt])
+				continue;
+			if (port) {
+				if (port > dd->num_pports)
+					continue;
+				ppd = dd->pport + port - 1;
+				if (!usable(ppd, 0))
+					continue;
+			} else {
+				/*
+				 * choose port based on ctxt, if up, else
+				 * first port that's up for multi-port HCA
+				 */
+				ppd = dd->pport + (ctxt % dd->num_pports);
+				if (!usable(ppd, 0)) {
+					int j;
+
+					ppd = NULL;
+					for (j = 0; j < dd->num_pports &&
+						!ppd; j++)
+						if (usable(dd->pport + j, 0))
+							ppd = dd->pport + j;
+					if (!ppd)
+						continue; /* to next unit */
+				}
+			}
+			ret = setup_ctxt(ppd, ctxt, fp, uinfo);
+			goto done;
+		}
+	}
+
+	if (npresent) {
+		if (nup == 0)
+			ret = -ENETDOWN;
+		else
+			ret = -EBUSY;
+	} else
+		ret = -ENXIO;
+
+done:
+	return ret;
+}
+
+static int find_shared_ctxt(struct file *fp,
+			    const struct qib_user_info *uinfo)
+{
+	int devmax, ndev, i;
+	int ret = 0;
+
+	devmax = qib_count_units(NULL, NULL);
+
+	for (ndev = 0; ndev < devmax; ndev++) {
+		struct qib_devdata *dd = qib_lookup(ndev);
+
+		/* device portion of usable() */
+		if (!(dd && (dd->flags & QIB_PRESENT) && dd->kregbase))
+			continue;
+		for (i = dd->first_user_ctxt; i < dd->cfgctxts; i++) {
+			struct qib_ctxtdata *rcd = dd->rcd[i];
+
+			/* Skip ctxts which are not yet open */
+			if (!rcd || !rcd->cnt)
+				continue;
+			/* Skip ctxt if it doesn't match the requested one */
+			if (rcd->subctxt_id != uinfo->spu_subctxt_id)
+				continue;
+			/* Verify the sharing process matches the master */
+			if (rcd->subctxt_cnt != uinfo->spu_subctxt_cnt ||
+			    rcd->userversion != uinfo->spu_userversion ||
+			    rcd->cnt >= rcd->subctxt_cnt) {
+				ret = -EINVAL;
+				goto done;
+			}
+			ctxt_fp(fp) = rcd;
+			subctxt_fp(fp) = rcd->cnt++;
+			rcd->subpid[subctxt_fp(fp)] = current->pid;
+			tidcursor_fp(fp) = 0;
+			rcd->active_slaves |= 1 << subctxt_fp(fp);
+			ret = 1;
+			goto done;
+		}
+	}
+
+done:
+	return ret;
+}
+
+static int qib_open(struct inode *in, struct file *fp)
+{
+	/* The real work is performed later in qib_assign_ctxt() */
+	fp->private_data = kzalloc(sizeof(struct qib_filedata), GFP_KERNEL);
+	if (fp->private_data) /* no cpu affinity by default */
+		((struct qib_filedata *)fp->private_data)->rec_cpu_num = -1;
+	return fp->private_data ? 0 : -ENOMEM;
+}
+
+/*
+ * Get ctxt early, so can set affinity prior to memory allocation.
+ */
+static int qib_assign_ctxt(struct file *fp, const struct qib_user_info *uinfo)
+{
+	int ret;
+	int i_minor;
+	unsigned swmajor, swminor;
+
+	/* Check to be sure we haven't already initialized this file */
+	if (ctxt_fp(fp)) {
+		ret = -EINVAL;
+		goto done;
+	}
+
+	/* for now, if major version is different, bail */
+	swmajor = uinfo->spu_userversion >> 16;
+	if (swmajor != QIB_USER_SWMAJOR) {
+		ret = -ENODEV;
+		goto done;
+	}
+
+	swminor = uinfo->spu_userversion & 0xffff;
+
+	mutex_lock(&qib_mutex);
+
+	if (qib_compatible_subctxts(swmajor, swminor) &&
+	    uinfo->spu_subctxt_cnt) {
+		ret = find_shared_ctxt(fp, uinfo);
+		if (ret) {
+			if (ret > 0)
+				ret = 0;
+			goto done_chk_sdma;
+		}
+	}
+
+	i_minor = iminor(fp->f_dentry->d_inode) - QIB_USER_MINOR_BASE;
+	if (i_minor)
+		ret = find_free_ctxt(i_minor - 1, fp, uinfo);
+	else
+		ret = get_a_ctxt(fp, uinfo);
+
+done_chk_sdma:
+	if (!ret) {
+		struct qib_filedata *fd = fp->private_data;
+		const struct qib_ctxtdata *rcd = fd->rcd;
+		const struct qib_devdata *dd = rcd->dd;
+
+		if (dd->flags & QIB_HAS_SEND_DMA) {
+			fd->pq = qib_user_sdma_queue_create(&dd->pcidev->dev,
+							    dd->unit,
+							    rcd->ctxt,
+							    fd->subctxt);
+			if (!fd->pq)
+				ret = -ENOMEM;
+		}
+
+		/*
+		 * If process has NOT already set it's affinity, select and
+		 * reserve a processor for it, as a rendevous for all
+		 * users of the driver.  If they don't actually later
+		 * set affinity to this cpu, or set it to some other cpu,
+		 * it just means that sooner or later we don't recommend
+		 * a cpu, and let the scheduler do it's best.
+		 */
+		if (!ret && cpus_weight(current->cpus_allowed) >=
+		    qib_cpulist_count) {
+			int cpu;
+			cpu = find_first_zero_bit(qib_cpulist,
+						  qib_cpulist_count);
+			if (cpu != qib_cpulist_count) {
+				__set_bit(cpu, qib_cpulist);
+				fd->rec_cpu_num = cpu;
+			}
+		} else if (cpus_weight(current->cpus_allowed) == 1 &&
+			test_bit(first_cpu(current->cpus_allowed),
+				 qib_cpulist))
+			qib_devinfo(dd->pcidev, "%s PID %u affinity "
+				    "set to cpu %d; already allocated\n",
+				    current->comm, current->pid,
+				    first_cpu(current->cpus_allowed));
+	}
+
+	mutex_unlock(&qib_mutex);
+
+done:
+	return ret;
+}
+
+
+static int qib_do_user_init(struct file *fp,
+			    const struct qib_user_info *uinfo)
+{
+	int ret;
+	struct qib_ctxtdata *rcd = ctxt_fp(fp);
+	struct qib_devdata *dd;
+	unsigned uctxt;
+
+	/* Subctxts don't need to initialize anything since master did it. */
+	if (subctxt_fp(fp)) {
+		ret = wait_event_interruptible(rcd->wait,
+			!test_bit(QIB_CTXT_MASTER_UNINIT, &rcd->flag));
+		goto bail;
+	}
+
+	dd = rcd->dd;
+
+	/* some ctxts may get extra buffers, calculate that here */
+	uctxt = rcd->ctxt - dd->first_user_ctxt;
+	if (uctxt < dd->ctxts_extrabuf) {
+		rcd->piocnt = dd->pbufsctxt + 1;
+		rcd->pio_base = rcd->piocnt * uctxt;
+	} else {
+		rcd->piocnt = dd->pbufsctxt;
+		rcd->pio_base = rcd->piocnt * uctxt +
+			dd->ctxts_extrabuf;
+	}
+
+	/*
+	 * All user buffers are 2KB buffers.  If we ever support
+	 * giving 4KB buffers to user processes, this will need some
+	 * work.  Can't use piobufbase directly, because it has
+	 * both 2K and 4K buffer base values.  So check and handle.
+	 */
+	if ((rcd->pio_base + rcd->piocnt) > dd->piobcnt2k) {
+		if (rcd->pio_base >= dd->piobcnt2k) {
+			qib_dev_err(dd,
+				    "%u:ctxt%u: no 2KB buffers available\n",
+				    dd->unit, rcd->ctxt);
+			ret = -ENOBUFS;
+			goto bail;
+		}
+		rcd->piocnt = dd->piobcnt2k - rcd->pio_base;
+		qib_dev_err(dd, "Ctxt%u: would use 4KB bufs, using %u\n",
+			    rcd->ctxt, rcd->piocnt);
+	}
+
+	rcd->piobufs = dd->pio2k_bufbase + rcd->pio_base * dd->palign;
+	qib_chg_pioavailkernel(dd, rcd->pio_base, rcd->piocnt,
+			       TXCHK_CHG_TYPE_USER, rcd);
+	/*
+	 * try to ensure that processes start up with consistent avail update
+	 * for their own range, at least.   If system very quiet, it might
+	 * have the in-memory copy out of date at startup for this range of
+	 * buffers, when a context gets re-used.  Do after the chg_pioavail
+	 * and before the rest of setup, so it's "almost certain" the dma
+	 * will have occurred (can't 100% guarantee, but should be many
+	 * decimals of 9s, with this ordering), given how much else happens
+	 * after this.
+	 */
+	dd->f_sendctrl(dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+
+	/*
+	 * Now allocate the rcvhdr Q and eager TIDs; skip the TID
+	 * array for time being.  If rcd->ctxt > chip-supported,
+	 * we need to do extra stuff here to handle by handling overflow
+	 * through ctxt 0, someday
+	 */
+	ret = qib_create_rcvhdrq(dd, rcd);
+	if (!ret)
+		ret = qib_setup_eagerbufs(rcd);
+	if (ret)
+		goto bail_pio;
+
+	rcd->tidcursor = 0; /* start at beginning after open */
+
+	/* initialize poll variables... */
+	rcd->urgent = 0;
+	rcd->urgent_poll = 0;
+
+	/*
+	 * Now enable the ctxt for receive.
+	 * For chips that are set to DMA the tail register to memory
+	 * when they change (and when the update bit transitions from
+	 * 0 to 1.  So for those chips, we turn it off and then back on.
+	 * This will (very briefly) affect any other open ctxts, but the
+	 * duration is very short, and therefore isn't an issue.  We
+	 * explictly set the in-memory tail copy to 0 beforehand, so we
+	 * don't have to wait to be sure the DMA update has happened
+	 * (chip resets head/tail to 0 on transition to enable).
+	 */
+	if (rcd->rcvhdrtail_kvaddr)
+		qib_clear_rcvhdrtail(rcd);
+
+	dd->f_rcvctrl(rcd->ppd, QIB_RCVCTRL_CTXT_ENB | QIB_RCVCTRL_TIDFLOW_ENB,
+		      rcd->ctxt);
+
+	/* Notify any waiting slaves */
+	if (rcd->subctxt_cnt) {
+		clear_bit(QIB_CTXT_MASTER_UNINIT, &rcd->flag);
+		wake_up(&rcd->wait);
+	}
+	return 0;
+
+bail_pio:
+	qib_chg_pioavailkernel(dd, rcd->pio_base, rcd->piocnt,
+			       TXCHK_CHG_TYPE_KERN, rcd);
+bail:
+	return ret;
+}
+
+/**
+ * unlock_exptid - unlock any expected TID entries context still had in use
+ * @rcd: ctxt
+ *
+ * We don't actually update the chip here, because we do a bulk update
+ * below, using f_clear_tids.
+ */
+static void unlock_expected_tids(struct qib_ctxtdata *rcd)
+{
+	struct qib_devdata *dd = rcd->dd;
+	int ctxt_tidbase = rcd->ctxt * dd->rcvtidcnt;
+	int i, cnt = 0, maxtid = ctxt_tidbase + dd->rcvtidcnt;
+
+	for (i = ctxt_tidbase; i < maxtid; i++) {
+		struct page *p = dd->pageshadow[i];
+		dma_addr_t phys;
+
+		if (!p)
+			continue;
+
+		phys = dd->physshadow[i];
+		dd->physshadow[i] = dd->tidinvalid;
+		dd->pageshadow[i] = NULL;
+		pci_unmap_page(dd->pcidev, phys, PAGE_SIZE,
+			       PCI_DMA_FROMDEVICE);
+		qib_release_user_pages(&p, 1);
+		cnt++;
+	}
+}
+
+static int qib_close(struct inode *in, struct file *fp)
+{
+	int ret = 0;
+	struct qib_filedata *fd;
+	struct qib_ctxtdata *rcd;
+	struct qib_devdata *dd;
+	unsigned long flags;
+	unsigned ctxt;
+	pid_t pid;
+
+	mutex_lock(&qib_mutex);
+
+	fd = (struct qib_filedata *) fp->private_data;
+	fp->private_data = NULL;
+	rcd = fd->rcd;
+	if (!rcd) {
+		mutex_unlock(&qib_mutex);
+		goto bail;
+	}
+
+	dd = rcd->dd;
+
+	/* ensure all pio buffer writes in progress are flushed */
+	qib_flush_wc();
+
+	/* drain user sdma queue */
+	if (fd->pq) {
+		qib_user_sdma_queue_drain(rcd->ppd, fd->pq);
+		qib_user_sdma_queue_destroy(fd->pq);
+	}
+
+	if (fd->rec_cpu_num != -1)
+		__clear_bit(fd->rec_cpu_num, qib_cpulist);
+
+	if (--rcd->cnt) {
+		/*
+		 * XXX If the master closes the context before the slave(s),
+		 * revoke the mmap for the eager receive queue so
+		 * the slave(s) don't wait for receive data forever.
+		 */
+		rcd->active_slaves &= ~(1 << fd->subctxt);
+		rcd->subpid[fd->subctxt] = 0;
+		mutex_unlock(&qib_mutex);
+		goto bail;
+	}
+
+	/* early; no interrupt users after this */
+	spin_lock_irqsave(&dd->uctxt_lock, flags);
+	ctxt = rcd->ctxt;
+	dd->rcd[ctxt] = NULL;
+	pid = rcd->pid;
+	rcd->pid = 0;
+	spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+
+	if (rcd->rcvwait_to || rcd->piowait_to ||
+	    rcd->rcvnowait || rcd->pionowait) {
+		rcd->rcvwait_to = 0;
+		rcd->piowait_to = 0;
+		rcd->rcvnowait = 0;
+		rcd->pionowait = 0;
+	}
+	if (rcd->flag)
+		rcd->flag = 0;
+
+	if (dd->kregbase) {
+		/* atomically clear receive enable ctxt and intr avail. */
+		dd->f_rcvctrl(rcd->ppd, QIB_RCVCTRL_CTXT_DIS |
+				  QIB_RCVCTRL_INTRAVAIL_DIS, ctxt);
+
+		/* clean up the pkeys for this ctxt user */
+		qib_clean_part_key(rcd, dd);
+		qib_disarm_piobufs(dd, rcd->pio_base, rcd->piocnt);
+		qib_chg_pioavailkernel(dd, rcd->pio_base,
+				       rcd->piocnt, TXCHK_CHG_TYPE_KERN, NULL);
+
+		dd->f_clear_tids(dd, rcd);
+
+		if (dd->pageshadow)
+			unlock_expected_tids(rcd);
+		qib_stats.sps_ctxts--;
+	}
+
+	mutex_unlock(&qib_mutex);
+	qib_free_ctxtdata(dd, rcd); /* after releasing the mutex */
+
+bail:
+	kfree(fd);
+	return ret;
+}
+
+static int qib_ctxt_info(struct file *fp, struct qib_ctxt_info __user *uinfo)
+{
+	struct qib_ctxt_info info;
+	int ret;
+	size_t sz;
+	struct qib_ctxtdata *rcd = ctxt_fp(fp);
+	struct qib_filedata *fd;
+
+	fd = (struct qib_filedata *) fp->private_data;
+
+	info.num_active = qib_count_active_units();
+	info.unit = rcd->dd->unit;
+	info.port = rcd->ppd->port;
+	info.ctxt = rcd->ctxt;
+	info.subctxt =  subctxt_fp(fp);
+	/* Number of user ctxts available for this device. */
+	info.num_ctxts = rcd->dd->cfgctxts - rcd->dd->first_user_ctxt;
+	info.num_subctxts = rcd->subctxt_cnt;
+	info.rec_cpu = fd->rec_cpu_num;
+	sz = sizeof(info);
+
+	if (copy_to_user(uinfo, &info, sz)) {
+		ret = -EFAULT;
+		goto bail;
+	}
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+static int qib_sdma_get_inflight(struct qib_user_sdma_queue *pq,
+				 u32 __user *inflightp)
+{
+	const u32 val = qib_user_sdma_inflight_counter(pq);
+
+	if (put_user(val, inflightp))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int qib_sdma_get_complete(struct qib_pportdata *ppd,
+				 struct qib_user_sdma_queue *pq,
+				 u32 __user *completep)
+{
+	u32 val;
+	int err;
+
+	if (!pq)
+		return -EINVAL;
+
+	err = qib_user_sdma_make_progress(ppd, pq);
+	if (err < 0)
+		return err;
+
+	val = qib_user_sdma_complete_counter(pq);
+	if (put_user(val, completep))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int disarm_req_delay(struct qib_ctxtdata *rcd)
+{
+	int ret = 0;
+
+	if (!usable(rcd->ppd, 1)) {
+		int i;
+		/*
+		 * if link is down, or otherwise not usable, delay
+		 * the caller up to 30 seconds, so we don't thrash
+		 * in trying to get the chip back to ACTIVE, and
+		 * set flag so they make the call again.
+		 */
+		if (rcd->user_event_mask) {
+			/*
+			 * subctxt_cnt is 0 if not shared, so do base
+			 * separately, first, then remaining subctxt, if any
+			 */
+			set_bit(_QIB_EVENT_DISARM_BUFS_BIT,
+				&rcd->user_event_mask[0]);
+			for (i = 1; i < rcd->subctxt_cnt; i++)
+				set_bit(_QIB_EVENT_DISARM_BUFS_BIT,
+					&rcd->user_event_mask[i]);
+		}
+		for (i = 0; !usable(rcd->ppd, 1) && i < 300; i++)
+			msleep(100);
+		ret = -ENETDOWN;
+	}
+	return ret;
+}
+
+/*
+ * Find all user contexts in use, and set the specified bit in their
+ * event mask.
+ * See also find_ctxt() for a similar use, that is specific to send buffers.
+ */
+int qib_set_uevent_bits(struct qib_pportdata *ppd, const int evtbit)
+{
+	struct qib_ctxtdata *rcd;
+	unsigned ctxt;
+	int ret = 0;
+
+	spin_lock(&ppd->dd->uctxt_lock);
+	for (ctxt = ppd->dd->first_user_ctxt; ctxt < ppd->dd->cfgctxts;
+	     ctxt++) {
+		rcd = ppd->dd->rcd[ctxt];
+		if (!rcd)
+			continue;
+		if (rcd->user_event_mask) {
+			int i;
+			/*
+			 * subctxt_cnt is 0 if not shared, so do base
+			 * separately, first, then remaining subctxt, if any
+			 */
+			set_bit(evtbit, &rcd->user_event_mask[0]);
+			for (i = 1; i < rcd->subctxt_cnt; i++)
+				set_bit(evtbit, &rcd->user_event_mask[i]);
+		}
+		ret = 1;
+		break;
+	}
+	spin_unlock(&ppd->dd->uctxt_lock);
+
+	return ret;
+}
+
+/*
+ * clear the event notifier events for this context.
+ * For the DISARM_BUFS case, we also take action (this obsoletes
+ * the older QIB_CMD_DISARM_BUFS, but we keep it for backwards
+ * compatibility.
+ * Other bits don't currently require actions, just atomically clear.
+ * User process then performs actions appropriate to bit having been
+ * set, if desired, and checks again in future.
+ */
+static int qib_user_event_ack(struct qib_ctxtdata *rcd, int subctxt,
+			      unsigned long events)
+{
+	int ret = 0, i;
+
+	for (i = 0; i <= _QIB_MAX_EVENT_BIT; i++) {
+		if (!test_bit(i, &events))
+			continue;
+		if (i == _QIB_EVENT_DISARM_BUFS_BIT) {
+			(void)qib_disarm_piobufs_ifneeded(rcd);
+			ret = disarm_req_delay(rcd);
+		} else
+			clear_bit(i, &rcd->user_event_mask[subctxt]);
+	}
+	return ret;
+}
+
+static ssize_t qib_write(struct file *fp, const char __user *data,
+			 size_t count, loff_t *off)
+{
+	const struct qib_cmd __user *ucmd;
+	struct qib_ctxtdata *rcd;
+	const void __user *src;
+	size_t consumed, copy = 0;
+	struct qib_cmd cmd;
+	ssize_t ret = 0;
+	void *dest;
+
+	if (count < sizeof(cmd.type)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	ucmd = (const struct qib_cmd __user *) data;
+
+	if (copy_from_user(&cmd.type, &ucmd->type, sizeof(cmd.type))) {
+		ret = -EFAULT;
+		goto bail;
+	}
+
+	consumed = sizeof(cmd.type);
+
+	switch (cmd.type) {
+	case QIB_CMD_ASSIGN_CTXT:
+	case QIB_CMD_USER_INIT:
+		copy = sizeof(cmd.cmd.user_info);
+		dest = &cmd.cmd.user_info;
+		src = &ucmd->cmd.user_info;
+		break;
+
+	case QIB_CMD_RECV_CTRL:
+		copy = sizeof(cmd.cmd.recv_ctrl);
+		dest = &cmd.cmd.recv_ctrl;
+		src = &ucmd->cmd.recv_ctrl;
+		break;
+
+	case QIB_CMD_CTXT_INFO:
+		copy = sizeof(cmd.cmd.ctxt_info);
+		dest = &cmd.cmd.ctxt_info;
+		src = &ucmd->cmd.ctxt_info;
+		break;
+
+	case QIB_CMD_TID_UPDATE:
+	case QIB_CMD_TID_FREE:
+		copy = sizeof(cmd.cmd.tid_info);
+		dest = &cmd.cmd.tid_info;
+		src = &ucmd->cmd.tid_info;
+		break;
+
+	case QIB_CMD_SET_PART_KEY:
+		copy = sizeof(cmd.cmd.part_key);
+		dest = &cmd.cmd.part_key;
+		src = &ucmd->cmd.part_key;
+		break;
+
+	case QIB_CMD_DISARM_BUFS:
+	case QIB_CMD_PIOAVAILUPD: /* force an update of PIOAvail reg */
+		copy = 0;
+		src = NULL;
+		dest = NULL;
+		break;
+
+	case QIB_CMD_POLL_TYPE:
+		copy = sizeof(cmd.cmd.poll_type);
+		dest = &cmd.cmd.poll_type;
+		src = &ucmd->cmd.poll_type;
+		break;
+
+	case QIB_CMD_ARMLAUNCH_CTRL:
+		copy = sizeof(cmd.cmd.armlaunch_ctrl);
+		dest = &cmd.cmd.armlaunch_ctrl;
+		src = &ucmd->cmd.armlaunch_ctrl;
+		break;
+
+	case QIB_CMD_SDMA_INFLIGHT:
+		copy = sizeof(cmd.cmd.sdma_inflight);
+		dest = &cmd.cmd.sdma_inflight;
+		src = &ucmd->cmd.sdma_inflight;
+		break;
+
+	case QIB_CMD_SDMA_COMPLETE:
+		copy = sizeof(cmd.cmd.sdma_complete);
+		dest = &cmd.cmd.sdma_complete;
+		src = &ucmd->cmd.sdma_complete;
+		break;
+
+	case QIB_CMD_ACK_EVENT:
+		copy = sizeof(cmd.cmd.event_mask);
+		dest = &cmd.cmd.event_mask;
+		src = &ucmd->cmd.event_mask;
+		break;
+
+	default:
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	if (copy) {
+		if ((count - consumed) < copy) {
+			ret = -EINVAL;
+			goto bail;
+		}
+		if (copy_from_user(dest, src, copy)) {
+			ret = -EFAULT;
+			goto bail;
+		}
+		consumed += copy;
+	}
+
+	rcd = ctxt_fp(fp);
+	if (!rcd && cmd.type != QIB_CMD_ASSIGN_CTXT) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	switch (cmd.type) {
+	case QIB_CMD_ASSIGN_CTXT:
+		ret = qib_assign_ctxt(fp, &cmd.cmd.user_info);
+		if (ret)
+			goto bail;
+		break;
+
+	case QIB_CMD_USER_INIT:
+		ret = qib_do_user_init(fp, &cmd.cmd.user_info);
+		if (ret)
+			goto bail;
+		ret = qib_get_base_info(fp, (void __user *) (unsigned long)
+					cmd.cmd.user_info.spu_base_info,
+					cmd.cmd.user_info.spu_base_info_size);
+		break;
+
+	case QIB_CMD_RECV_CTRL:
+		ret = qib_manage_rcvq(rcd, subctxt_fp(fp), cmd.cmd.recv_ctrl);
+		break;
+
+	case QIB_CMD_CTXT_INFO:
+		ret = qib_ctxt_info(fp, (struct qib_ctxt_info __user *)
+				    (unsigned long) cmd.cmd.ctxt_info);
+		break;
+
+	case QIB_CMD_TID_UPDATE:
+		ret = qib_tid_update(rcd, fp, &cmd.cmd.tid_info);
+		break;
+
+	case QIB_CMD_TID_FREE:
+		ret = qib_tid_free(rcd, subctxt_fp(fp), &cmd.cmd.tid_info);
+		break;
+
+	case QIB_CMD_SET_PART_KEY:
+		ret = qib_set_part_key(rcd, cmd.cmd.part_key);
+		break;
+
+	case QIB_CMD_DISARM_BUFS:
+		(void)qib_disarm_piobufs_ifneeded(rcd);
+		ret = disarm_req_delay(rcd);
+		break;
+
+	case QIB_CMD_PIOAVAILUPD:
+		qib_force_pio_avail_update(rcd->dd);
+		break;
+
+	case QIB_CMD_POLL_TYPE:
+		rcd->poll_type = cmd.cmd.poll_type;
+		break;
+
+	case QIB_CMD_ARMLAUNCH_CTRL:
+		rcd->dd->f_set_armlaunch(rcd->dd, cmd.cmd.armlaunch_ctrl);
+		break;
+
+	case QIB_CMD_SDMA_INFLIGHT:
+		ret = qib_sdma_get_inflight(user_sdma_queue_fp(fp),
+					    (u32 __user *) (unsigned long)
+					    cmd.cmd.sdma_inflight);
+		break;
+
+	case QIB_CMD_SDMA_COMPLETE:
+		ret = qib_sdma_get_complete(rcd->ppd,
+					    user_sdma_queue_fp(fp),
+					    (u32 __user *) (unsigned long)
+					    cmd.cmd.sdma_complete);
+		break;
+
+	case QIB_CMD_ACK_EVENT:
+		ret = qib_user_event_ack(rcd, subctxt_fp(fp),
+					 cmd.cmd.event_mask);
+		break;
+	}
+
+	if (ret >= 0)
+		ret = consumed;
+
+bail:
+	return ret;
+}
+
+static ssize_t qib_aio_write(struct kiocb *iocb, const struct iovec *iov,
+			     unsigned long dim, loff_t off)
+{
+	struct qib_filedata *fp = iocb->ki_filp->private_data;
+	struct qib_ctxtdata *rcd = ctxt_fp(iocb->ki_filp);
+	struct qib_user_sdma_queue *pq = fp->pq;
+
+	if (!dim || !pq)
+		return -EINVAL;
+
+	return qib_user_sdma_writev(rcd, pq, iov, dim);
+}
+
+static struct class *qib_class;
+static dev_t qib_dev;
+
+int qib_cdev_init(int minor, const char *name,
+		  const struct file_operations *fops,
+		  struct cdev **cdevp, struct device **devp)
+{
+	const dev_t dev = MKDEV(MAJOR(qib_dev), minor);
+	struct cdev *cdev;
+	struct device *device = NULL;
+	int ret;
+
+	cdev = cdev_alloc();
+	if (!cdev) {
+		printk(KERN_ERR QIB_DRV_NAME
+		       ": Could not allocate cdev for minor %d, %s\n",
+		       minor, name);
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	cdev->owner = THIS_MODULE;
+	cdev->ops = fops;
+	kobject_set_name(&cdev->kobj, name);
+
+	ret = cdev_add(cdev, dev, 1);
+	if (ret < 0) {
+		printk(KERN_ERR QIB_DRV_NAME
+		       ": Could not add cdev for minor %d, %s (err %d)\n",
+		       minor, name, -ret);
+		goto err_cdev;
+	}
+
+	device = device_create(qib_class, NULL, dev, NULL, name);
+	if (!IS_ERR(device))
+		goto done;
+	ret = PTR_ERR(device);
+	device = NULL;
+	printk(KERN_ERR QIB_DRV_NAME ": Could not create "
+	       "device for minor %d, %s (err %d)\n",
+	       minor, name, -ret);
+err_cdev:
+	cdev_del(cdev);
+	cdev = NULL;
+done:
+	*cdevp = cdev;
+	*devp = device;
+	return ret;
+}
+
+void qib_cdev_cleanup(struct cdev **cdevp, struct device **devp)
+{
+	struct device *device = *devp;
+
+	if (device) {
+		device_unregister(device);
+		*devp = NULL;
+	}
+
+	if (*cdevp) {
+		cdev_del(*cdevp);
+		*cdevp = NULL;
+	}
+}
+
+static struct cdev *wildcard_cdev;
+static struct device *wildcard_device;
+
+int __init qib_dev_init(void)
+{
+	int ret;
+
+	ret = alloc_chrdev_region(&qib_dev, 0, QIB_NMINORS, QIB_DRV_NAME);
+	if (ret < 0) {
+		printk(KERN_ERR QIB_DRV_NAME ": Could not allocate "
+		       "chrdev region (err %d)\n", -ret);
+		goto done;
+	}
+
+	qib_class = class_create(THIS_MODULE, "ipath");
+	if (IS_ERR(qib_class)) {
+		ret = PTR_ERR(qib_class);
+		printk(KERN_ERR QIB_DRV_NAME ": Could not create "
+		       "device class (err %d)\n", -ret);
+		unregister_chrdev_region(qib_dev, QIB_NMINORS);
+	}
+
+done:
+	return ret;
+}
+
+void qib_dev_cleanup(void)
+{
+	if (qib_class) {
+		class_destroy(qib_class);
+		qib_class = NULL;
+	}
+
+	unregister_chrdev_region(qib_dev, QIB_NMINORS);
+}
+
+static atomic_t user_count = ATOMIC_INIT(0);
+
+static void qib_user_remove(struct qib_devdata *dd)
+{
+	if (atomic_dec_return(&user_count) == 0)
+		qib_cdev_cleanup(&wildcard_cdev, &wildcard_device);
+
+	qib_cdev_cleanup(&dd->user_cdev, &dd->user_device);
+}
+
+static int qib_user_add(struct qib_devdata *dd)
+{
+	char name[10];
+	int ret;
+
+	if (atomic_inc_return(&user_count) == 1) {
+		ret = qib_cdev_init(0, "ipath", &qib_file_ops,
+				    &wildcard_cdev, &wildcard_device);
+		if (ret)
+			goto done;
+	}
+
+	snprintf(name, sizeof(name), "ipath%d", dd->unit);
+	ret = qib_cdev_init(dd->unit + 1, name, &qib_file_ops,
+			    &dd->user_cdev, &dd->user_device);
+	if (ret)
+		qib_user_remove(dd);
+done:
+	return ret;
+}
+
+/*
+ * Create per-unit files in /dev
+ */
+int qib_device_create(struct qib_devdata *dd)
+{
+	int r, ret;
+
+	r = qib_user_add(dd);
+	ret = qib_diag_add(dd);
+	if (r && !ret)
+		ret = r;
+	return ret;
+}
+
+/*
+ * Remove per-unit files in /dev
+ * void, core kernel returns no errors for this stuff
+ */
+void qib_device_remove(struct qib_devdata *dd)
+{
+	qib_user_remove(dd);
+	qib_diag_remove(dd);
+}
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
new file mode 100644
index 00000000000..755470440ef
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -0,0 +1,613 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/mount.h>
+#include <linux/pagemap.h>
+#include <linux/init.h>
+#include <linux/namei.h>
+
+#include "qib.h"
+
+#define QIBFS_MAGIC 0x726a77
+
+static struct super_block *qib_super;
+
+#define private2dd(file) ((file)->f_dentry->d_inode->i_private)
+
+static int qibfs_mknod(struct inode *dir, struct dentry *dentry,
+		       int mode, const struct file_operations *fops,
+		       void *data)
+{
+	int error;
+	struct inode *inode = new_inode(dir->i_sb);
+
+	if (!inode) {
+		error = -EPERM;
+		goto bail;
+	}
+
+	inode->i_mode = mode;
+	inode->i_uid = 0;
+	inode->i_gid = 0;
+	inode->i_blocks = 0;
+	inode->i_atime = CURRENT_TIME;
+	inode->i_mtime = inode->i_atime;
+	inode->i_ctime = inode->i_atime;
+	inode->i_private = data;
+	if ((mode & S_IFMT) == S_IFDIR) {
+		inode->i_op = &simple_dir_inode_operations;
+		inc_nlink(inode);
+		inc_nlink(dir);
+	}
+
+	inode->i_fop = fops;
+
+	d_instantiate(dentry, inode);
+	error = 0;
+
+bail:
+	return error;
+}
+
+static int create_file(const char *name, mode_t mode,
+		       struct dentry *parent, struct dentry **dentry,
+		       const struct file_operations *fops, void *data)
+{
+	int error;
+
+	*dentry = NULL;
+	mutex_lock(&parent->d_inode->i_mutex);
+	*dentry = lookup_one_len(name, parent, strlen(name));
+	if (!IS_ERR(*dentry))
+		error = qibfs_mknod(parent->d_inode, *dentry,
+				    mode, fops, data);
+	else
+		error = PTR_ERR(*dentry);
+	mutex_unlock(&parent->d_inode->i_mutex);
+
+	return error;
+}
+
+static ssize_t driver_stats_read(struct file *file, char __user *buf,
+				 size_t count, loff_t *ppos)
+{
+	return simple_read_from_buffer(buf, count, ppos, &qib_stats,
+				       sizeof qib_stats);
+}
+
+/*
+ * driver stats field names, one line per stat, single string.  Used by
+ * programs like ipathstats to print the stats in a way which works for
+ * different versions of drivers, without changing program source.
+ * if qlogic_ib_stats changes, this needs to change.  Names need to be
+ * 12 chars or less (w/o newline), for proper display by ipathstats utility.
+ */
+static const char qib_statnames[] =
+	"KernIntr\n"
+	"ErrorIntr\n"
+	"Tx_Errs\n"
+	"Rcv_Errs\n"
+	"H/W_Errs\n"
+	"NoPIOBufs\n"
+	"CtxtsOpen\n"
+	"RcvLen_Errs\n"
+	"EgrBufFull\n"
+	"EgrHdrFull\n"
+	;
+
+static ssize_t driver_names_read(struct file *file, char __user *buf,
+				 size_t count, loff_t *ppos)
+{
+	return simple_read_from_buffer(buf, count, ppos, qib_statnames,
+		sizeof qib_statnames - 1); /* no null */
+}
+
+static const struct file_operations driver_ops[] = {
+	{ .read = driver_stats_read, },
+	{ .read = driver_names_read, },
+};
+
+/* read the per-device counters */
+static ssize_t dev_counters_read(struct file *file, char __user *buf,
+				 size_t count, loff_t *ppos)
+{
+	u64 *counters;
+	struct qib_devdata *dd = private2dd(file);
+
+	return simple_read_from_buffer(buf, count, ppos, counters,
+		dd->f_read_cntrs(dd, *ppos, NULL, &counters));
+}
+
+/* read the per-device counters */
+static ssize_t dev_names_read(struct file *file, char __user *buf,
+			      size_t count, loff_t *ppos)
+{
+	char *names;
+	struct qib_devdata *dd = private2dd(file);
+
+	return simple_read_from_buffer(buf, count, ppos, names,
+		dd->f_read_cntrs(dd, *ppos, &names, NULL));
+}
+
+static const struct file_operations cntr_ops[] = {
+	{ .read = dev_counters_read, },
+	{ .read = dev_names_read, },
+};
+
+/*
+ * Could use file->f_dentry->d_inode->i_ino to figure out which file,
+ * instead of separate routine for each, but for now, this works...
+ */
+
+/* read the per-port names (same for each port) */
+static ssize_t portnames_read(struct file *file, char __user *buf,
+			      size_t count, loff_t *ppos)
+{
+	char *names;
+	struct qib_devdata *dd = private2dd(file);
+
+	return simple_read_from_buffer(buf, count, ppos, names,
+		dd->f_read_portcntrs(dd, *ppos, 0, &names, NULL));
+}
+
+/* read the per-port counters for port 1 (pidx 0) */
+static ssize_t portcntrs_1_read(struct file *file, char __user *buf,
+				size_t count, loff_t *ppos)
+{
+	u64 *counters;
+	struct qib_devdata *dd = private2dd(file);
+
+	return simple_read_from_buffer(buf, count, ppos, counters,
+		dd->f_read_portcntrs(dd, *ppos, 0, NULL, &counters));
+}
+
+/* read the per-port counters for port 2 (pidx 1) */
+static ssize_t portcntrs_2_read(struct file *file, char __user *buf,
+				size_t count, loff_t *ppos)
+{
+	u64 *counters;
+	struct qib_devdata *dd = private2dd(file);
+
+	return simple_read_from_buffer(buf, count, ppos, counters,
+		dd->f_read_portcntrs(dd, *ppos, 1, NULL, &counters));
+}
+
+static const struct file_operations portcntr_ops[] = {
+	{ .read = portnames_read, },
+	{ .read = portcntrs_1_read, },
+	{ .read = portcntrs_2_read, },
+};
+
+/*
+ * read the per-port QSFP data for port 1 (pidx 0)
+ */
+static ssize_t qsfp_1_read(struct file *file, char __user *buf,
+			   size_t count, loff_t *ppos)
+{
+	struct qib_devdata *dd = private2dd(file);
+	char *tmp;
+	int ret;
+
+	tmp = kmalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!tmp)
+		return -ENOMEM;
+
+	ret = qib_qsfp_dump(dd->pport, tmp, PAGE_SIZE);
+	if (ret > 0)
+		ret = simple_read_from_buffer(buf, count, ppos, tmp, ret);
+	kfree(tmp);
+	return ret;
+}
+
+/*
+ * read the per-port QSFP data for port 2 (pidx 1)
+ */
+static ssize_t qsfp_2_read(struct file *file, char __user *buf,
+			   size_t count, loff_t *ppos)
+{
+	struct qib_devdata *dd = private2dd(file);
+	char *tmp;
+	int ret;
+
+	if (dd->num_pports < 2)
+		return -ENODEV;
+
+	tmp = kmalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!tmp)
+		return -ENOMEM;
+
+	ret = qib_qsfp_dump(dd->pport + 1, tmp, PAGE_SIZE);
+	if (ret > 0)
+		ret = simple_read_from_buffer(buf, count, ppos, tmp, ret);
+	kfree(tmp);
+	return ret;
+}
+
+static const struct file_operations qsfp_ops[] = {
+	{ .read = qsfp_1_read, },
+	{ .read = qsfp_2_read, },
+};
+
+static ssize_t flash_read(struct file *file, char __user *buf,
+			  size_t count, loff_t *ppos)
+{
+	struct qib_devdata *dd;
+	ssize_t ret;
+	loff_t pos;
+	char *tmp;
+
+	pos = *ppos;
+
+	if (pos < 0) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	if (pos >= sizeof(struct qib_flash)) {
+		ret = 0;
+		goto bail;
+	}
+
+	if (count > sizeof(struct qib_flash) - pos)
+		count = sizeof(struct qib_flash) - pos;
+
+	tmp = kmalloc(count, GFP_KERNEL);
+	if (!tmp) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	dd = private2dd(file);
+	if (qib_eeprom_read(dd, pos, tmp, count)) {
+		qib_dev_err(dd, "failed to read from flash\n");
+		ret = -ENXIO;
+		goto bail_tmp;
+	}
+
+	if (copy_to_user(buf, tmp, count)) {
+		ret = -EFAULT;
+		goto bail_tmp;
+	}
+
+	*ppos = pos + count;
+	ret = count;
+
+bail_tmp:
+	kfree(tmp);
+
+bail:
+	return ret;
+}
+
+static ssize_t flash_write(struct file *file, const char __user *buf,
+			   size_t count, loff_t *ppos)
+{
+	struct qib_devdata *dd;
+	ssize_t ret;
+	loff_t pos;
+	char *tmp;
+
+	pos = *ppos;
+
+	if (pos != 0) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	if (count != sizeof(struct qib_flash)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	tmp = kmalloc(count, GFP_KERNEL);
+	if (!tmp) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	if (copy_from_user(tmp, buf, count)) {
+		ret = -EFAULT;
+		goto bail_tmp;
+	}
+
+	dd = private2dd(file);
+	if (qib_eeprom_write(dd, pos, tmp, count)) {
+		ret = -ENXIO;
+		qib_dev_err(dd, "failed to write to flash\n");
+		goto bail_tmp;
+	}
+
+	*ppos = pos + count;
+	ret = count;
+
+bail_tmp:
+	kfree(tmp);
+
+bail:
+	return ret;
+}
+
+static const struct file_operations flash_ops = {
+	.read = flash_read,
+	.write = flash_write,
+};
+
+static int add_cntr_files(struct super_block *sb, struct qib_devdata *dd)
+{
+	struct dentry *dir, *tmp;
+	char unit[10];
+	int ret, i;
+
+	/* create the per-unit directory */
+	snprintf(unit, sizeof unit, "%u", dd->unit);
+	ret = create_file(unit, S_IFDIR|S_IRUGO|S_IXUGO, sb->s_root, &dir,
+			  &simple_dir_operations, dd);
+	if (ret) {
+		printk(KERN_ERR "create_file(%s) failed: %d\n", unit, ret);
+		goto bail;
+	}
+
+	/* create the files in the new directory */
+	ret = create_file("counters", S_IFREG|S_IRUGO, dir, &tmp,
+			  &cntr_ops[0], dd);
+	if (ret) {
+		printk(KERN_ERR "create_file(%s/counters) failed: %d\n",
+		       unit, ret);
+		goto bail;
+	}
+	ret = create_file("counter_names", S_IFREG|S_IRUGO, dir, &tmp,
+			  &cntr_ops[1], dd);
+	if (ret) {
+		printk(KERN_ERR "create_file(%s/counter_names) failed: %d\n",
+		       unit, ret);
+		goto bail;
+	}
+	ret = create_file("portcounter_names", S_IFREG|S_IRUGO, dir, &tmp,
+			  &portcntr_ops[0], dd);
+	if (ret) {
+		printk(KERN_ERR "create_file(%s/%s) failed: %d\n",
+		       unit, "portcounter_names", ret);
+		goto bail;
+	}
+	for (i = 1; i <= dd->num_pports; i++) {
+		char fname[24];
+
+		sprintf(fname, "port%dcounters", i);
+		/* create the files in the new directory */
+		ret = create_file(fname, S_IFREG|S_IRUGO, dir, &tmp,
+				  &portcntr_ops[i], dd);
+		if (ret) {
+			printk(KERN_ERR "create_file(%s/%s) failed: %d\n",
+				unit, fname, ret);
+			goto bail;
+		}
+		if (!(dd->flags & QIB_HAS_QSFP))
+			continue;
+		sprintf(fname, "qsfp%d", i);
+		ret = create_file(fname, S_IFREG|S_IRUGO, dir, &tmp,
+				  &qsfp_ops[i - 1], dd);
+		if (ret) {
+			printk(KERN_ERR "create_file(%s/%s) failed: %d\n",
+				unit, fname, ret);
+			goto bail;
+		}
+	}
+
+	ret = create_file("flash", S_IFREG|S_IWUSR|S_IRUGO, dir, &tmp,
+			  &flash_ops, dd);
+	if (ret)
+		printk(KERN_ERR "create_file(%s/flash) failed: %d\n",
+			unit, ret);
+bail:
+	return ret;
+}
+
+static int remove_file(struct dentry *parent, char *name)
+{
+	struct dentry *tmp;
+	int ret;
+
+	tmp = lookup_one_len(name, parent, strlen(name));
+
+	if (IS_ERR(tmp)) {
+		ret = PTR_ERR(tmp);
+		goto bail;
+	}
+
+	spin_lock(&dcache_lock);
+	spin_lock(&tmp->d_lock);
+	if (!(d_unhashed(tmp) && tmp->d_inode)) {
+		dget_locked(tmp);
+		__d_drop(tmp);
+		spin_unlock(&tmp->d_lock);
+		spin_unlock(&dcache_lock);
+		simple_unlink(parent->d_inode, tmp);
+	} else {
+		spin_unlock(&tmp->d_lock);
+		spin_unlock(&dcache_lock);
+	}
+
+	ret = 0;
+bail:
+	/*
+	 * We don't expect clients to care about the return value, but
+	 * it's there if they need it.
+	 */
+	return ret;
+}
+
+static int remove_device_files(struct super_block *sb,
+			       struct qib_devdata *dd)
+{
+	struct dentry *dir, *root;
+	char unit[10];
+	int ret, i;
+
+	root = dget(sb->s_root);
+	mutex_lock(&root->d_inode->i_mutex);
+	snprintf(unit, sizeof unit, "%u", dd->unit);
+	dir = lookup_one_len(unit, root, strlen(unit));
+
+	if (IS_ERR(dir)) {
+		ret = PTR_ERR(dir);
+		printk(KERN_ERR "Lookup of %s failed\n", unit);
+		goto bail;
+	}
+
+	remove_file(dir, "counters");
+	remove_file(dir, "counter_names");
+	remove_file(dir, "portcounter_names");
+	for (i = 0; i < dd->num_pports; i++) {
+		char fname[24];
+
+		sprintf(fname, "port%dcounters", i + 1);
+		remove_file(dir, fname);
+		if (dd->flags & QIB_HAS_QSFP) {
+			sprintf(fname, "qsfp%d", i + 1);
+			remove_file(dir, fname);
+		}
+	}
+	remove_file(dir, "flash");
+	d_delete(dir);
+	ret = simple_rmdir(root->d_inode, dir);
+
+bail:
+	mutex_unlock(&root->d_inode->i_mutex);
+	dput(root);
+	return ret;
+}
+
+/*
+ * This fills everything in when the fs is mounted, to handle umount/mount
+ * after device init.  The direct add_cntr_files() call handles adding
+ * them from the init code, when the fs is already mounted.
+ */
+static int qibfs_fill_super(struct super_block *sb, void *data, int silent)
+{
+	struct qib_devdata *dd, *tmp;
+	unsigned long flags;
+	int ret;
+
+	static struct tree_descr files[] = {
+		[2] = {"driver_stats", &driver_ops[0], S_IRUGO},
+		[3] = {"driver_stats_names", &driver_ops[1], S_IRUGO},
+		{""},
+	};
+
+	ret = simple_fill_super(sb, QIBFS_MAGIC, files);
+	if (ret) {
+		printk(KERN_ERR "simple_fill_super failed: %d\n", ret);
+		goto bail;
+	}
+
+	spin_lock_irqsave(&qib_devs_lock, flags);
+
+	list_for_each_entry_safe(dd, tmp, &qib_dev_list, list) {
+		spin_unlock_irqrestore(&qib_devs_lock, flags);
+		ret = add_cntr_files(sb, dd);
+		if (ret) {
+			deactivate_super(sb);
+			goto bail;
+		}
+		spin_lock_irqsave(&qib_devs_lock, flags);
+	}
+
+	spin_unlock_irqrestore(&qib_devs_lock, flags);
+
+bail:
+	return ret;
+}
+
+static int qibfs_get_sb(struct file_system_type *fs_type, int flags,
+			const char *dev_name, void *data, struct vfsmount *mnt)
+{
+	int ret = get_sb_single(fs_type, flags, data,
+				qibfs_fill_super, mnt);
+	if (ret >= 0)
+		qib_super = mnt->mnt_sb;
+	return ret;
+}
+
+static void qibfs_kill_super(struct super_block *s)
+{
+	kill_litter_super(s);
+	qib_super = NULL;
+}
+
+int qibfs_add(struct qib_devdata *dd)
+{
+	int ret;
+
+	/*
+	 * On first unit initialized, qib_super will not yet exist
+	 * because nobody has yet tried to mount the filesystem, so
+	 * we can't consider that to be an error; if an error occurs
+	 * during the mount, that will get a complaint, so this is OK.
+	 * add_cntr_files() for all units is done at mount from
+	 * qibfs_fill_super(), so one way or another, everything works.
+	 */
+	if (qib_super == NULL)
+		ret = 0;
+	else
+		ret = add_cntr_files(qib_super, dd);
+	return ret;
+}
+
+int qibfs_remove(struct qib_devdata *dd)
+{
+	int ret = 0;
+
+	if (qib_super)
+		ret = remove_device_files(qib_super, dd);
+
+	return ret;
+}
+
+static struct file_system_type qibfs_fs_type = {
+	.owner =        THIS_MODULE,
+	.name =         "ipathfs",
+	.get_sb =       qibfs_get_sb,
+	.kill_sb =      qibfs_kill_super,
+};
+
+int __init qib_init_qibfs(void)
+{
+	return register_filesystem(&qibfs_fs_type);
+}
+
+int __exit qib_exit_qibfs(void)
+{
+	return unregister_filesystem(&qibfs_fs_type);
+}
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
new file mode 100644
index 00000000000..7b6549fd429
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -0,0 +1,3588 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+/*
+ * This file contains all of the code that is specific to the
+ * QLogic_IB 6120 PCIe chip.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <rdma/ib_verbs.h>
+
+#include "qib.h"
+#include "qib_6120_regs.h"
+
+static void qib_6120_setup_setextled(struct qib_pportdata *, u32);
+static void sendctrl_6120_mod(struct qib_pportdata *ppd, u32 op);
+static u8 qib_6120_phys_portstate(u64);
+static u32 qib_6120_iblink_state(u64);
+
+/*
+ * This file contains all the chip-specific register information and
+ * access functions for the QLogic QLogic_IB PCI-Express chip.
+ *
+ */
+
+/* KREG_IDX uses machine-generated #defines */
+#define KREG_IDX(regname) (QIB_6120_##regname##_OFFS / sizeof(u64))
+
+/* Use defines to tie machine-generated names to lower-case names */
+#define kr_extctrl KREG_IDX(EXTCtrl)
+#define kr_extstatus KREG_IDX(EXTStatus)
+#define kr_gpio_clear KREG_IDX(GPIOClear)
+#define kr_gpio_mask KREG_IDX(GPIOMask)
+#define kr_gpio_out KREG_IDX(GPIOOut)
+#define kr_gpio_status KREG_IDX(GPIOStatus)
+#define kr_rcvctrl KREG_IDX(RcvCtrl)
+#define kr_sendctrl KREG_IDX(SendCtrl)
+#define kr_partitionkey KREG_IDX(RcvPartitionKey)
+#define kr_hwdiagctrl KREG_IDX(HwDiagCtrl)
+#define kr_ibcstatus KREG_IDX(IBCStatus)
+#define kr_ibcctrl KREG_IDX(IBCCtrl)
+#define kr_sendbuffererror KREG_IDX(SendBufErr0)
+#define kr_rcvbthqp KREG_IDX(RcvBTHQP)
+#define kr_counterregbase KREG_IDX(CntrRegBase)
+#define kr_palign KREG_IDX(PageAlign)
+#define kr_rcvegrbase KREG_IDX(RcvEgrBase)
+#define kr_rcvegrcnt KREG_IDX(RcvEgrCnt)
+#define kr_rcvhdrcnt KREG_IDX(RcvHdrCnt)
+#define kr_rcvhdrentsize KREG_IDX(RcvHdrEntSize)
+#define kr_rcvhdrsize KREG_IDX(RcvHdrSize)
+#define kr_rcvtidbase KREG_IDX(RcvTIDBase)
+#define kr_rcvtidcnt KREG_IDX(RcvTIDCnt)
+#define kr_scratch KREG_IDX(Scratch)
+#define kr_sendctrl KREG_IDX(SendCtrl)
+#define kr_sendpioavailaddr KREG_IDX(SendPIOAvailAddr)
+#define kr_sendpiobufbase KREG_IDX(SendPIOBufBase)
+#define kr_sendpiobufcnt KREG_IDX(SendPIOBufCnt)
+#define kr_sendpiosize KREG_IDX(SendPIOSize)
+#define kr_sendregbase KREG_IDX(SendRegBase)
+#define kr_userregbase KREG_IDX(UserRegBase)
+#define kr_control KREG_IDX(Control)
+#define kr_intclear KREG_IDX(IntClear)
+#define kr_intmask KREG_IDX(IntMask)
+#define kr_intstatus KREG_IDX(IntStatus)
+#define kr_errclear KREG_IDX(ErrClear)
+#define kr_errmask KREG_IDX(ErrMask)
+#define kr_errstatus KREG_IDX(ErrStatus)
+#define kr_hwerrclear KREG_IDX(HwErrClear)
+#define kr_hwerrmask KREG_IDX(HwErrMask)
+#define kr_hwerrstatus KREG_IDX(HwErrStatus)
+#define kr_revision KREG_IDX(Revision)
+#define kr_portcnt KREG_IDX(PortCnt)
+#define kr_serdes_cfg0 KREG_IDX(SerdesCfg0)
+#define kr_serdes_cfg1 (kr_serdes_cfg0 + 1)
+#define kr_serdes_stat KREG_IDX(SerdesStat)
+#define kr_xgxs_cfg KREG_IDX(XGXSCfg)
+
+/* These must only be written via qib_write_kreg_ctxt() */
+#define kr_rcvhdraddr KREG_IDX(RcvHdrAddr0)
+#define kr_rcvhdrtailaddr KREG_IDX(RcvHdrTailAddr0)
+
+#define CREG_IDX(regname) ((QIB_6120_##regname##_OFFS - \
+			QIB_6120_LBIntCnt_OFFS) / sizeof(u64))
+
+#define cr_badformat CREG_IDX(RxBadFormatCnt)
+#define cr_erricrc CREG_IDX(RxICRCErrCnt)
+#define cr_errlink CREG_IDX(RxLinkProblemCnt)
+#define cr_errlpcrc CREG_IDX(RxLPCRCErrCnt)
+#define cr_errpkey CREG_IDX(RxPKeyMismatchCnt)
+#define cr_rcvflowctrl_err CREG_IDX(RxFlowCtrlErrCnt)
+#define cr_err_rlen CREG_IDX(RxLenErrCnt)
+#define cr_errslen CREG_IDX(TxLenErrCnt)
+#define cr_errtidfull CREG_IDX(RxTIDFullErrCnt)
+#define cr_errtidvalid CREG_IDX(RxTIDValidErrCnt)
+#define cr_errvcrc CREG_IDX(RxVCRCErrCnt)
+#define cr_ibstatuschange CREG_IDX(IBStatusChangeCnt)
+#define cr_lbint CREG_IDX(LBIntCnt)
+#define cr_invalidrlen CREG_IDX(RxMaxMinLenErrCnt)
+#define cr_invalidslen CREG_IDX(TxMaxMinLenErrCnt)
+#define cr_lbflowstall CREG_IDX(LBFlowStallCnt)
+#define cr_pktrcv CREG_IDX(RxDataPktCnt)
+#define cr_pktrcvflowctrl CREG_IDX(RxFlowPktCnt)
+#define cr_pktsend CREG_IDX(TxDataPktCnt)
+#define cr_pktsendflow CREG_IDX(TxFlowPktCnt)
+#define cr_portovfl CREG_IDX(RxP0HdrEgrOvflCnt)
+#define cr_rcvebp CREG_IDX(RxEBPCnt)
+#define cr_rcvovfl CREG_IDX(RxBufOvflCnt)
+#define cr_senddropped CREG_IDX(TxDroppedPktCnt)
+#define cr_sendstall CREG_IDX(TxFlowStallCnt)
+#define cr_sendunderrun CREG_IDX(TxUnderrunCnt)
+#define cr_wordrcv CREG_IDX(RxDwordCnt)
+#define cr_wordsend CREG_IDX(TxDwordCnt)
+#define cr_txunsupvl CREG_IDX(TxUnsupVLErrCnt)
+#define cr_rxdroppkt CREG_IDX(RxDroppedPktCnt)
+#define cr_iblinkerrrecov CREG_IDX(IBLinkErrRecoveryCnt)
+#define cr_iblinkdown CREG_IDX(IBLinkDownedCnt)
+#define cr_ibsymbolerr CREG_IDX(IBSymbolErrCnt)
+
+#define SYM_RMASK(regname, fldname) ((u64)              \
+	QIB_6120_##regname##_##fldname##_RMASK)
+#define SYM_MASK(regname, fldname) ((u64)               \
+	QIB_6120_##regname##_##fldname##_RMASK <<       \
+	 QIB_6120_##regname##_##fldname##_LSB)
+#define SYM_LSB(regname, fldname) (QIB_6120_##regname##_##fldname##_LSB)
+
+#define SYM_FIELD(value, regname, fldname) ((u64) \
+	(((value) >> SYM_LSB(regname, fldname)) & \
+	 SYM_RMASK(regname, fldname)))
+#define ERR_MASK(fldname) SYM_MASK(ErrMask, fldname##Mask)
+#define HWE_MASK(fldname) SYM_MASK(HwErrMask, fldname##Mask)
+
+/* link training states, from IBC */
+#define IB_6120_LT_STATE_DISABLED        0x00
+#define IB_6120_LT_STATE_LINKUP          0x01
+#define IB_6120_LT_STATE_POLLACTIVE      0x02
+#define IB_6120_LT_STATE_POLLQUIET       0x03
+#define IB_6120_LT_STATE_SLEEPDELAY      0x04
+#define IB_6120_LT_STATE_SLEEPQUIET      0x05
+#define IB_6120_LT_STATE_CFGDEBOUNCE     0x08
+#define IB_6120_LT_STATE_CFGRCVFCFG      0x09
+#define IB_6120_LT_STATE_CFGWAITRMT      0x0a
+#define IB_6120_LT_STATE_CFGIDLE 0x0b
+#define IB_6120_LT_STATE_RECOVERRETRAIN  0x0c
+#define IB_6120_LT_STATE_RECOVERWAITRMT  0x0e
+#define IB_6120_LT_STATE_RECOVERIDLE     0x0f
+
+/* link state machine states from IBC */
+#define IB_6120_L_STATE_DOWN             0x0
+#define IB_6120_L_STATE_INIT             0x1
+#define IB_6120_L_STATE_ARM              0x2
+#define IB_6120_L_STATE_ACTIVE           0x3
+#define IB_6120_L_STATE_ACT_DEFER        0x4
+
+static const u8 qib_6120_physportstate[0x20] = {
+	[IB_6120_LT_STATE_DISABLED] = IB_PHYSPORTSTATE_DISABLED,
+	[IB_6120_LT_STATE_LINKUP] = IB_PHYSPORTSTATE_LINKUP,
+	[IB_6120_LT_STATE_POLLACTIVE] = IB_PHYSPORTSTATE_POLL,
+	[IB_6120_LT_STATE_POLLQUIET] = IB_PHYSPORTSTATE_POLL,
+	[IB_6120_LT_STATE_SLEEPDELAY] = IB_PHYSPORTSTATE_SLEEP,
+	[IB_6120_LT_STATE_SLEEPQUIET] = IB_PHYSPORTSTATE_SLEEP,
+	[IB_6120_LT_STATE_CFGDEBOUNCE] =
+		IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_6120_LT_STATE_CFGRCVFCFG] =
+		IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_6120_LT_STATE_CFGWAITRMT] =
+		IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_6120_LT_STATE_CFGIDLE] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_6120_LT_STATE_RECOVERRETRAIN] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[IB_6120_LT_STATE_RECOVERWAITRMT] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[IB_6120_LT_STATE_RECOVERIDLE] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[0x10] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x11] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x12] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x13] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x14] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x15] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x16] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x17] = IB_PHYSPORTSTATE_CFG_TRAIN
+};
+
+
+struct qib_chip_specific {
+	u64 __iomem *cregbase;
+	u64 *cntrs;
+	u64 *portcntrs;
+	void *dummy_hdrq;   /* used after ctxt close */
+	dma_addr_t dummy_hdrq_phys;
+	spinlock_t kernel_tid_lock; /* no back to back kernel TID writes */
+	spinlock_t user_tid_lock; /* no back to back user TID writes */
+	spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */
+	spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */
+	u64 hwerrmask;
+	u64 errormask;
+	u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */
+	u64 gpio_mask; /* shadow the gpio mask register */
+	u64 extctrl; /* shadow the gpio output enable, etc... */
+	/*
+	 * these 5 fields are used to establish deltas for IB symbol
+	 * errors and linkrecovery errors.  They can be reported on
+	 * some chips during link negotiation prior to INIT, and with
+	 * DDR when faking DDR negotiations with non-IBTA switches.
+	 * The chip counters are adjusted at driver unload if there is
+	 * a non-zero delta.
+	 */
+	u64 ibdeltainprog;
+	u64 ibsymdelta;
+	u64 ibsymsnap;
+	u64 iblnkerrdelta;
+	u64 iblnkerrsnap;
+	u64 ibcctrl; /* shadow for kr_ibcctrl */
+	u32 lastlinkrecov; /* link recovery issue */
+	int irq;
+	u32 cntrnamelen;
+	u32 portcntrnamelen;
+	u32 ncntrs;
+	u32 nportcntrs;
+	/* used with gpio interrupts to implement IB counters */
+	u32 rxfc_unsupvl_errs;
+	u32 overrun_thresh_errs;
+	/*
+	 * these count only cases where _successive_ LocalLinkIntegrity
+	 * errors were seen in the receive headers of IB standard packets
+	 */
+	u32 lli_errs;
+	u32 lli_counter;
+	u64 lli_thresh;
+	u64 sword; /* total dwords sent (sample result) */
+	u64 rword; /* total dwords received (sample result) */
+	u64 spkts; /* total packets sent (sample result) */
+	u64 rpkts; /* total packets received (sample result) */
+	u64 xmit_wait; /* # of ticks no data sent (sample result) */
+	struct timer_list pma_timer;
+	char emsgbuf[128];
+	char bitsmsgbuf[64];
+	u8 pma_sample_status;
+};
+
+/* ibcctrl bits */
+#define QLOGIC_IB_IBCC_LINKINITCMD_DISABLE 1
+/* cycle through TS1/TS2 till OK */
+#define QLOGIC_IB_IBCC_LINKINITCMD_POLL 2
+/* wait for TS1, then go on */
+#define QLOGIC_IB_IBCC_LINKINITCMD_SLEEP 3
+#define QLOGIC_IB_IBCC_LINKINITCMD_SHIFT 16
+
+#define QLOGIC_IB_IBCC_LINKCMD_DOWN 1           /* move to 0x11 */
+#define QLOGIC_IB_IBCC_LINKCMD_ARMED 2          /* move to 0x21 */
+#define QLOGIC_IB_IBCC_LINKCMD_ACTIVE 3 /* move to 0x31 */
+#define QLOGIC_IB_IBCC_LINKCMD_SHIFT 18
+
+/*
+ * We could have a single register get/put routine, that takes a group type,
+ * but this is somewhat clearer and cleaner.  It also gives us some error
+ * checking.  64 bit register reads should always work, but are inefficient
+ * on opteron (the northbridge always generates 2 separate HT 32 bit reads),
+ * so we use kreg32 wherever possible.  User register and counter register
+ * reads are always 32 bit reads, so only one form of those routines.
+ */
+
+/**
+ * qib_read_ureg32 - read 32-bit virtualized per-context register
+ * @dd: device
+ * @regno: register number
+ * @ctxt: context number
+ *
+ * Return the contents of a register that is virtualized to be per context.
+ * Returns -1 on errors (not distinguishable from valid contents at
+ * runtime; we may add a separate error variable at some point).
+ */
+static inline u32 qib_read_ureg32(const struct qib_devdata *dd,
+				  enum qib_ureg regno, int ctxt)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+
+	if (dd->userbase)
+		return readl(regno + (u64 __iomem *)
+			     ((char __iomem *)dd->userbase +
+			      dd->ureg_align * ctxt));
+	else
+		return readl(regno + (u64 __iomem *)
+			     (dd->uregbase +
+			      (char __iomem *)dd->kregbase +
+			      dd->ureg_align * ctxt));
+}
+
+/**
+ * qib_write_ureg - write 32-bit virtualized per-context register
+ * @dd: device
+ * @regno: register number
+ * @value: value
+ * @ctxt: context
+ *
+ * Write the contents of a register that is virtualized to be per context.
+ */
+static inline void qib_write_ureg(const struct qib_devdata *dd,
+				  enum qib_ureg regno, u64 value, int ctxt)
+{
+	u64 __iomem *ubase;
+	if (dd->userbase)
+		ubase = (u64 __iomem *)
+			((char __iomem *) dd->userbase +
+			 dd->ureg_align * ctxt);
+	else
+		ubase = (u64 __iomem *)
+			(dd->uregbase +
+			 (char __iomem *) dd->kregbase +
+			 dd->ureg_align * ctxt);
+
+	if (dd->kregbase && (dd->flags & QIB_PRESENT))
+		writeq(value, &ubase[regno]);
+}
+
+static inline u32 qib_read_kreg32(const struct qib_devdata *dd,
+				  const u16 regno)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return -1;
+	return readl((u32 __iomem *)&dd->kregbase[regno]);
+}
+
+static inline u64 qib_read_kreg64(const struct qib_devdata *dd,
+				  const u16 regno)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return -1;
+
+	return readq(&dd->kregbase[regno]);
+}
+
+static inline void qib_write_kreg(const struct qib_devdata *dd,
+				  const u16 regno, u64 value)
+{
+	if (dd->kregbase && (dd->flags & QIB_PRESENT))
+		writeq(value, &dd->kregbase[regno]);
+}
+
+/**
+ * qib_write_kreg_ctxt - write a device's per-ctxt 64-bit kernel register
+ * @dd: the qlogic_ib device
+ * @regno: the register number to write
+ * @ctxt: the context containing the register
+ * @value: the value to write
+ */
+static inline void qib_write_kreg_ctxt(const struct qib_devdata *dd,
+				       const u16 regno, unsigned ctxt,
+				       u64 value)
+{
+	qib_write_kreg(dd, regno + ctxt, value);
+}
+
+static inline void write_6120_creg(const struct qib_devdata *dd,
+				   u16 regno, u64 value)
+{
+	if (dd->cspec->cregbase && (dd->flags & QIB_PRESENT))
+		writeq(value, &dd->cspec->cregbase[regno]);
+}
+
+static inline u64 read_6120_creg(const struct qib_devdata *dd, u16 regno)
+{
+	if (!dd->cspec->cregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+	return readq(&dd->cspec->cregbase[regno]);
+}
+
+static inline u32 read_6120_creg32(const struct qib_devdata *dd, u16 regno)
+{
+	if (!dd->cspec->cregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+	return readl(&dd->cspec->cregbase[regno]);
+}
+
+/* kr_control bits */
+#define QLOGIC_IB_C_RESET 1U
+
+/* kr_intstatus, kr_intclear, kr_intmask bits */
+#define QLOGIC_IB_I_RCVURG_MASK ((1U << 5) - 1)
+#define QLOGIC_IB_I_RCVURG_SHIFT 0
+#define QLOGIC_IB_I_RCVAVAIL_MASK ((1U << 5) - 1)
+#define QLOGIC_IB_I_RCVAVAIL_SHIFT 12
+
+#define QLOGIC_IB_C_FREEZEMODE 0x00000002
+#define QLOGIC_IB_C_LINKENABLE 0x00000004
+#define QLOGIC_IB_I_ERROR               0x0000000080000000ULL
+#define QLOGIC_IB_I_SPIOSENT            0x0000000040000000ULL
+#define QLOGIC_IB_I_SPIOBUFAVAIL        0x0000000020000000ULL
+#define QLOGIC_IB_I_GPIO                0x0000000010000000ULL
+#define QLOGIC_IB_I_BITSEXTANT \
+		((QLOGIC_IB_I_RCVURG_MASK << QLOGIC_IB_I_RCVURG_SHIFT) | \
+		(QLOGIC_IB_I_RCVAVAIL_MASK << \
+		 QLOGIC_IB_I_RCVAVAIL_SHIFT) | \
+		QLOGIC_IB_I_ERROR | QLOGIC_IB_I_SPIOSENT | \
+		QLOGIC_IB_I_SPIOBUFAVAIL | QLOGIC_IB_I_GPIO)
+
+/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
+#define QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK  0x000000000000003fULL
+#define QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT 0
+#define QLOGIC_IB_HWE_PCIEPOISONEDTLP      0x0000000010000000ULL
+#define QLOGIC_IB_HWE_PCIECPLTIMEOUT       0x0000000020000000ULL
+#define QLOGIC_IB_HWE_PCIEBUSPARITYXTLH    0x0000000040000000ULL
+#define QLOGIC_IB_HWE_PCIEBUSPARITYXADM    0x0000000080000000ULL
+#define QLOGIC_IB_HWE_PCIEBUSPARITYRADM    0x0000000100000000ULL
+#define QLOGIC_IB_HWE_COREPLL_FBSLIP       0x0080000000000000ULL
+#define QLOGIC_IB_HWE_COREPLL_RFSLIP       0x0100000000000000ULL
+#define QLOGIC_IB_HWE_PCIE1PLLFAILED       0x0400000000000000ULL
+#define QLOGIC_IB_HWE_PCIE0PLLFAILED       0x0800000000000000ULL
+#define QLOGIC_IB_HWE_SERDESPLLFAILED      0x1000000000000000ULL
+
+
+/* kr_extstatus bits */
+#define QLOGIC_IB_EXTS_FREQSEL 0x2
+#define QLOGIC_IB_EXTS_SERDESSEL 0x4
+#define QLOGIC_IB_EXTS_MEMBIST_ENDTEST     0x0000000000004000
+#define QLOGIC_IB_EXTS_MEMBIST_FOUND       0x0000000000008000
+
+/* kr_xgxsconfig bits */
+#define QLOGIC_IB_XGXS_RESET          0x5ULL
+
+#define _QIB_GPIO_SDA_NUM 1
+#define _QIB_GPIO_SCL_NUM 0
+
+/* Bits in GPIO for the added IB link interrupts */
+#define GPIO_RXUVL_BIT 3
+#define GPIO_OVRUN_BIT 4
+#define GPIO_LLI_BIT 5
+#define GPIO_ERRINTR_MASK 0x38
+
+
+#define QLOGIC_IB_RT_BUFSIZE_MASK 0xe0000000ULL
+#define QLOGIC_IB_RT_BUFSIZE_SHIFTVAL(tid) \
+	((((tid) & QLOGIC_IB_RT_BUFSIZE_MASK) >> 29) + 11 - 1)
+#define QLOGIC_IB_RT_BUFSIZE(tid) (1 << QLOGIC_IB_RT_BUFSIZE_SHIFTVAL(tid))
+#define QLOGIC_IB_RT_IS_VALID(tid) \
+	(((tid) & QLOGIC_IB_RT_BUFSIZE_MASK) && \
+	 ((((tid) & QLOGIC_IB_RT_BUFSIZE_MASK) != QLOGIC_IB_RT_BUFSIZE_MASK)))
+#define QLOGIC_IB_RT_ADDR_MASK 0x1FFFFFFFULL /* 29 bits valid */
+#define QLOGIC_IB_RT_ADDR_SHIFT 10
+
+#define QLOGIC_IB_R_INTRAVAIL_SHIFT 16
+#define QLOGIC_IB_R_TAILUPD_SHIFT 31
+#define IBA6120_R_PKEY_DIS_SHIFT 30
+
+#define PBC_6120_VL15_SEND_CTRL (1ULL << 31) /* pbc; VL15; link_buf only */
+
+#define IBCBUSFRSPCPARITYERR HWE_MASK(IBCBusFromSPCParityErr)
+#define IBCBUSTOSPCPARITYERR HWE_MASK(IBCBusToSPCParityErr)
+
+#define SYM_MASK_BIT(regname, fldname, bit) ((u64) \
+	((1ULL << (SYM_LSB(regname, fldname) + (bit)))))
+
+#define TXEMEMPARITYERR_PIOBUF \
+	SYM_MASK_BIT(HwErrMask, TXEMemParityErrMask, 0)
+#define TXEMEMPARITYERR_PIOPBC \
+	SYM_MASK_BIT(HwErrMask, TXEMemParityErrMask, 1)
+#define TXEMEMPARITYERR_PIOLAUNCHFIFO \
+	SYM_MASK_BIT(HwErrMask, TXEMemParityErrMask, 2)
+
+#define RXEMEMPARITYERR_RCVBUF \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 0)
+#define RXEMEMPARITYERR_LOOKUPQ \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 1)
+#define RXEMEMPARITYERR_EXPTID \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 2)
+#define RXEMEMPARITYERR_EAGERTID \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 3)
+#define RXEMEMPARITYERR_FLAGBUF \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 4)
+#define RXEMEMPARITYERR_DATAINFO \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 5)
+#define RXEMEMPARITYERR_HDRINFO \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 6)
+
+/* 6120 specific hardware errors... */
+static const struct qib_hwerror_msgs qib_6120_hwerror_msgs[] = {
+	/* generic hardware errors */
+	QLOGIC_IB_HWE_MSG(IBCBUSFRSPCPARITYERR, "QIB2IB Parity"),
+	QLOGIC_IB_HWE_MSG(IBCBUSTOSPCPARITYERR, "IB2QIB Parity"),
+
+	QLOGIC_IB_HWE_MSG(TXEMEMPARITYERR_PIOBUF,
+			  "TXE PIOBUF Memory Parity"),
+	QLOGIC_IB_HWE_MSG(TXEMEMPARITYERR_PIOPBC,
+			  "TXE PIOPBC Memory Parity"),
+	QLOGIC_IB_HWE_MSG(TXEMEMPARITYERR_PIOLAUNCHFIFO,
+			  "TXE PIOLAUNCHFIFO Memory Parity"),
+
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_RCVBUF,
+			  "RXE RCVBUF Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_LOOKUPQ,
+			  "RXE LOOKUPQ Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_EAGERTID,
+			  "RXE EAGERTID Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_EXPTID,
+			  "RXE EXPTID Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_FLAGBUF,
+			  "RXE FLAGBUF Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_DATAINFO,
+			  "RXE DATAINFO Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_HDRINFO,
+			  "RXE HDRINFO Memory Parity"),
+
+	/* chip-specific hardware errors */
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIEPOISONEDTLP,
+			  "PCIe Poisoned TLP"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIECPLTIMEOUT,
+			  "PCIe completion timeout"),
+	/*
+	 * In practice, it's unlikely wthat we'll see PCIe PLL, or bus
+	 * parity or memory parity error failures, because most likely we
+	 * won't be able to talk to the core of the chip.  Nonetheless, we
+	 * might see them, if they are in parts of the PCIe core that aren't
+	 * essential.
+	 */
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIE1PLLFAILED,
+			  "PCIePLL1"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIE0PLLFAILED,
+			  "PCIePLL0"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIEBUSPARITYXTLH,
+			  "PCIe XTLH core parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIEBUSPARITYXADM,
+			  "PCIe ADM TX core parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIEBUSPARITYRADM,
+			  "PCIe ADM RX core parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_SERDESPLLFAILED,
+			  "SerDes PLL"),
+};
+
+#define TXE_PIO_PARITY (TXEMEMPARITYERR_PIOBUF | TXEMEMPARITYERR_PIOPBC)
+#define _QIB_PLL_FAIL (QLOGIC_IB_HWE_COREPLL_FBSLIP |   \
+		QLOGIC_IB_HWE_COREPLL_RFSLIP)
+
+	/* variables for sanity checking interrupt and errors */
+#define IB_HWE_BITSEXTANT \
+	(HWE_MASK(RXEMemParityErr) |					\
+	 HWE_MASK(TXEMemParityErr) |					\
+	 (QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK <<			\
+	  QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT) |			\
+	 QLOGIC_IB_HWE_PCIE1PLLFAILED |					\
+	 QLOGIC_IB_HWE_PCIE0PLLFAILED |					\
+	 QLOGIC_IB_HWE_PCIEPOISONEDTLP |				\
+	 QLOGIC_IB_HWE_PCIECPLTIMEOUT |					\
+	 QLOGIC_IB_HWE_PCIEBUSPARITYXTLH |				\
+	 QLOGIC_IB_HWE_PCIEBUSPARITYXADM |				\
+	 QLOGIC_IB_HWE_PCIEBUSPARITYRADM |				\
+	 HWE_MASK(PowerOnBISTFailed) |					\
+	 QLOGIC_IB_HWE_COREPLL_FBSLIP |					\
+	 QLOGIC_IB_HWE_COREPLL_RFSLIP |					\
+	 QLOGIC_IB_HWE_SERDESPLLFAILED |				\
+	 HWE_MASK(IBCBusToSPCParityErr) |				\
+	 HWE_MASK(IBCBusFromSPCParityErr))
+
+#define IB_E_BITSEXTANT \
+	(ERR_MASK(RcvFormatErr) | ERR_MASK(RcvVCRCErr) |		\
+	 ERR_MASK(RcvICRCErr) | ERR_MASK(RcvMinPktLenErr) |		\
+	 ERR_MASK(RcvMaxPktLenErr) | ERR_MASK(RcvLongPktLenErr) |	\
+	 ERR_MASK(RcvShortPktLenErr) | ERR_MASK(RcvUnexpectedCharErr) | \
+	 ERR_MASK(RcvUnsupportedVLErr) | ERR_MASK(RcvEBPErr) |		\
+	 ERR_MASK(RcvIBFlowErr) | ERR_MASK(RcvBadVersionErr) |		\
+	 ERR_MASK(RcvEgrFullErr) | ERR_MASK(RcvHdrFullErr) |		\
+	 ERR_MASK(RcvBadTidErr) | ERR_MASK(RcvHdrLenErr) |		\
+	 ERR_MASK(RcvHdrErr) | ERR_MASK(RcvIBLostLinkErr) |		\
+	 ERR_MASK(SendMinPktLenErr) | ERR_MASK(SendMaxPktLenErr) |	\
+	 ERR_MASK(SendUnderRunErr) | ERR_MASK(SendPktLenErr) |		\
+	 ERR_MASK(SendDroppedSmpPktErr) |				\
+	 ERR_MASK(SendDroppedDataPktErr) |				\
+	 ERR_MASK(SendPioArmLaunchErr) |				\
+	 ERR_MASK(SendUnexpectedPktNumErr) |				\
+	 ERR_MASK(SendUnsupportedVLErr) | ERR_MASK(IBStatusChanged) |	\
+	 ERR_MASK(InvalidAddrErr) | ERR_MASK(ResetNegated) |		\
+	 ERR_MASK(HardwareErr))
+
+#define QLOGIC_IB_E_PKTERRS ( \
+		ERR_MASK(SendPktLenErr) |				\
+		ERR_MASK(SendDroppedDataPktErr) |			\
+		ERR_MASK(RcvVCRCErr) |					\
+		ERR_MASK(RcvICRCErr) |					\
+		ERR_MASK(RcvShortPktLenErr) |				\
+		ERR_MASK(RcvEBPErr))
+
+/* These are all rcv-related errors which we want to count for stats */
+#define E_SUM_PKTERRS						\
+	(ERR_MASK(RcvHdrLenErr) | ERR_MASK(RcvBadTidErr) |		\
+	 ERR_MASK(RcvBadVersionErr) | ERR_MASK(RcvHdrErr) |		\
+	 ERR_MASK(RcvLongPktLenErr) | ERR_MASK(RcvShortPktLenErr) |	\
+	 ERR_MASK(RcvMaxPktLenErr) | ERR_MASK(RcvMinPktLenErr) |	\
+	 ERR_MASK(RcvFormatErr) | ERR_MASK(RcvUnsupportedVLErr) |	\
+	 ERR_MASK(RcvUnexpectedCharErr) | ERR_MASK(RcvEBPErr))
+
+/* These are all send-related errors which we want to count for stats */
+#define E_SUM_ERRS							\
+	(ERR_MASK(SendPioArmLaunchErr) |				\
+	 ERR_MASK(SendUnexpectedPktNumErr) |				\
+	 ERR_MASK(SendDroppedDataPktErr) |				\
+	 ERR_MASK(SendDroppedSmpPktErr) |				\
+	 ERR_MASK(SendMaxPktLenErr) | ERR_MASK(SendUnsupportedVLErr) |	\
+	 ERR_MASK(SendMinPktLenErr) | ERR_MASK(SendPktLenErr) |		\
+	 ERR_MASK(InvalidAddrErr))
+
+/*
+ * this is similar to E_SUM_ERRS, but can't ignore armlaunch, don't ignore
+ * errors not related to freeze and cancelling buffers.  Can't ignore
+ * armlaunch because could get more while still cleaning up, and need
+ * to cancel those as they happen.
+ */
+#define E_SPKT_ERRS_IGNORE \
+	(ERR_MASK(SendDroppedDataPktErr) |				\
+	 ERR_MASK(SendDroppedSmpPktErr) |				\
+	 ERR_MASK(SendMaxPktLenErr) | ERR_MASK(SendMinPktLenErr) |	\
+	 ERR_MASK(SendPktLenErr))
+
+/*
+ * these are errors that can occur when the link changes state while
+ * a packet is being sent or received.  This doesn't cover things
+ * like EBP or VCRC that can be the result of a sending having the
+ * link change state, so we receive a "known bad" packet.
+ */
+#define E_SUM_LINK_PKTERRS		\
+	(ERR_MASK(SendDroppedDataPktErr) |				\
+	 ERR_MASK(SendDroppedSmpPktErr) |				\
+	 ERR_MASK(SendMinPktLenErr) | ERR_MASK(SendPktLenErr) |		\
+	 ERR_MASK(RcvShortPktLenErr) | ERR_MASK(RcvMinPktLenErr) |	\
+	 ERR_MASK(RcvUnexpectedCharErr))
+
+static void qib_6120_put_tid_2(struct qib_devdata *, u64 __iomem *,
+			       u32, unsigned long);
+
+/*
+ * On platforms using this chip, and not having ordered WC stores, we
+ * can get TXE parity errors due to speculative reads to the PIO buffers,
+ * and this, due to a chip issue can result in (many) false parity error
+ * reports.  So it's a debug print on those, and an info print on systems
+ * where the speculative reads don't occur.
+ */
+static void qib_6120_txe_recover(struct qib_devdata *dd)
+{
+	if (!qib_unordered_wc())
+		qib_devinfo(dd->pcidev,
+			    "Recovering from TXE PIO parity error\n");
+}
+
+/* enable/disable chip from delivering interrupts */
+static void qib_6120_set_intr_state(struct qib_devdata *dd, u32 enable)
+{
+	if (enable) {
+		if (dd->flags & QIB_BADINTR)
+			return;
+		qib_write_kreg(dd, kr_intmask, ~0ULL);
+		/* force re-interrupt of any pending interrupts. */
+		qib_write_kreg(dd, kr_intclear, 0ULL);
+	} else
+		qib_write_kreg(dd, kr_intmask, 0ULL);
+}
+
+/*
+ * Try to cleanup as much as possible for anything that might have gone
+ * wrong while in freeze mode, such as pio buffers being written by user
+ * processes (causing armlaunch), send errors due to going into freeze mode,
+ * etc., and try to avoid causing extra interrupts while doing so.
+ * Forcibly update the in-memory pioavail register copies after cleanup
+ * because the chip won't do it while in freeze mode (the register values
+ * themselves are kept correct).
+ * Make sure that we don't lose any important interrupts by using the chip
+ * feature that says that writing 0 to a bit in *clear that is set in
+ * *status will cause an interrupt to be generated again (if allowed by
+ * the *mask value).
+ * This is in chip-specific code because of all of the register accesses,
+ * even though the details are similar on most chips
+ */
+static void qib_6120_clear_freeze(struct qib_devdata *dd)
+{
+	/* disable error interrupts, to avoid confusion */
+	qib_write_kreg(dd, kr_errmask, 0ULL);
+
+	/* also disable interrupts; errormask is sometimes overwriten */
+	qib_6120_set_intr_state(dd, 0);
+
+	qib_cancel_sends(dd->pport);
+
+	/* clear the freeze, and be sure chip saw it */
+	qib_write_kreg(dd, kr_control, dd->control);
+	qib_read_kreg32(dd, kr_scratch);
+
+	/* force in-memory update now we are out of freeze */
+	qib_force_pio_avail_update(dd);
+
+	/*
+	 * force new interrupt if any hwerr, error or interrupt bits are
+	 * still set, and clear "safe" send packet errors related to freeze
+	 * and cancelling sends.  Re-enable error interrupts before possible
+	 * force of re-interrupt on pending interrupts.
+	 */
+	qib_write_kreg(dd, kr_hwerrclear, 0ULL);
+	qib_write_kreg(dd, kr_errclear, E_SPKT_ERRS_IGNORE);
+	qib_write_kreg(dd, kr_errmask, dd->cspec->errormask);
+	qib_6120_set_intr_state(dd, 1);
+}
+
+/**
+ * qib_handle_6120_hwerrors - display hardware errors.
+ * @dd: the qlogic_ib device
+ * @msg: the output buffer
+ * @msgl: the size of the output buffer
+ *
+ * Use same msg buffer as regular errors to avoid excessive stack
+ * use.  Most hardware errors are catastrophic, but for right now,
+ * we'll print them and continue.  Reuse the same message buffer as
+ * handle_6120_errors() to avoid excessive stack usage.
+ */
+static void qib_handle_6120_hwerrors(struct qib_devdata *dd, char *msg,
+				     size_t msgl)
+{
+	u64 hwerrs;
+	u32 bits, ctrl;
+	int isfatal = 0;
+	char *bitsmsg;
+	int log_idx;
+
+	hwerrs = qib_read_kreg64(dd, kr_hwerrstatus);
+	if (!hwerrs)
+		return;
+	if (hwerrs == ~0ULL) {
+		qib_dev_err(dd, "Read of hardware error status failed "
+			    "(all bits set); ignoring\n");
+		return;
+	}
+	qib_stats.sps_hwerrs++;
+
+	/* Always clear the error status register, except MEMBISTFAIL,
+	 * regardless of whether we continue or stop using the chip.
+	 * We want that set so we know it failed, even across driver reload.
+	 * We'll still ignore it in the hwerrmask.  We do this partly for
+	 * diagnostics, but also for support */
+	qib_write_kreg(dd, kr_hwerrclear,
+		       hwerrs & ~HWE_MASK(PowerOnBISTFailed));
+
+	hwerrs &= dd->cspec->hwerrmask;
+
+	/* We log some errors to EEPROM, check if we have any of those. */
+	for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
+		if (hwerrs & dd->eep_st_masks[log_idx].hwerrs_to_log)
+			qib_inc_eeprom_err(dd, log_idx, 1);
+
+	/*
+	 * Make sure we get this much out, unless told to be quiet,
+	 * or it's occurred within the last 5 seconds.
+	 */
+	if (hwerrs & ~(TXE_PIO_PARITY | RXEMEMPARITYERR_EAGERTID))
+		qib_devinfo(dd->pcidev, "Hardware error: hwerr=0x%llx "
+			 "(cleared)\n", (unsigned long long) hwerrs);
+
+	if (hwerrs & ~IB_HWE_BITSEXTANT)
+		qib_dev_err(dd, "hwerror interrupt with unknown errors "
+			    "%llx set\n", (unsigned long long)
+			    (hwerrs & ~IB_HWE_BITSEXTANT));
+
+	ctrl = qib_read_kreg32(dd, kr_control);
+	if ((ctrl & QLOGIC_IB_C_FREEZEMODE) && !dd->diag_client) {
+		/*
+		 * Parity errors in send memory are recoverable,
+		 * just cancel the send (if indicated in * sendbuffererror),
+		 * count the occurrence, unfreeze (if no other handled
+		 * hardware error bits are set), and continue. They can
+		 * occur if a processor speculative read is done to the PIO
+		 * buffer while we are sending a packet, for example.
+		 */
+		if (hwerrs & TXE_PIO_PARITY) {
+			qib_6120_txe_recover(dd);
+			hwerrs &= ~TXE_PIO_PARITY;
+		}
+
+		if (!hwerrs) {
+			static u32 freeze_cnt;
+
+			freeze_cnt++;
+			qib_6120_clear_freeze(dd);
+		} else
+			isfatal = 1;
+	}
+
+	*msg = '\0';
+
+	if (hwerrs & HWE_MASK(PowerOnBISTFailed)) {
+		isfatal = 1;
+		strlcat(msg, "[Memory BIST test failed, InfiniPath hardware"
+			" unusable]", msgl);
+		/* ignore from now on, so disable until driver reloaded */
+		dd->cspec->hwerrmask &= ~HWE_MASK(PowerOnBISTFailed);
+		qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+	}
+
+	qib_format_hwerrors(hwerrs, qib_6120_hwerror_msgs,
+			    ARRAY_SIZE(qib_6120_hwerror_msgs), msg, msgl);
+
+	bitsmsg = dd->cspec->bitsmsgbuf;
+	if (hwerrs & (QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK <<
+		      QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT)) {
+		bits = (u32) ((hwerrs >>
+			       QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT) &
+			      QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK);
+		snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+			 "[PCIe Mem Parity Errs %x] ", bits);
+		strlcat(msg, bitsmsg, msgl);
+	}
+
+	if (hwerrs & _QIB_PLL_FAIL) {
+		isfatal = 1;
+		snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+			 "[PLL failed (%llx), InfiniPath hardware unusable]",
+			 (unsigned long long) hwerrs & _QIB_PLL_FAIL);
+		strlcat(msg, bitsmsg, msgl);
+		/* ignore from now on, so disable until driver reloaded */
+		dd->cspec->hwerrmask &= ~(hwerrs & _QIB_PLL_FAIL);
+		qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+	}
+
+	if (hwerrs & QLOGIC_IB_HWE_SERDESPLLFAILED) {
+		/*
+		 * If it occurs, it is left masked since the external
+		 * interface is unused
+		 */
+		dd->cspec->hwerrmask &= ~QLOGIC_IB_HWE_SERDESPLLFAILED;
+		qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+	}
+
+	if (hwerrs)
+		/*
+		 * if any set that we aren't ignoring; only
+		 * make the complaint once, in case it's stuck
+		 * or recurring, and we get here multiple
+		 * times.
+		 */
+		qib_dev_err(dd, "%s hardware error\n", msg);
+	else
+		*msg = 0; /* recovered from all of them */
+
+	if (isfatal && !dd->diag_client) {
+		qib_dev_err(dd, "Fatal Hardware Error, no longer"
+			    " usable, SN %.16s\n", dd->serial);
+		/*
+		 * for /sys status file and user programs to print; if no
+		 * trailing brace is copied, we'll know it was truncated.
+		 */
+		if (dd->freezemsg)
+			snprintf(dd->freezemsg, dd->freezelen,
+				 "{%s}", msg);
+		qib_disable_after_error(dd);
+	}
+}
+
+/*
+ * Decode the error status into strings, deciding whether to always
+ * print * it or not depending on "normal packet errors" vs everything
+ * else.   Return 1 if "real" errors, otherwise 0 if only packet
+ * errors, so caller can decide what to print with the string.
+ */
+static int qib_decode_6120_err(struct qib_devdata *dd, char *buf, size_t blen,
+			       u64 err)
+{
+	int iserr = 1;
+
+	*buf = '\0';
+	if (err & QLOGIC_IB_E_PKTERRS) {
+		if (!(err & ~QLOGIC_IB_E_PKTERRS))
+			iserr = 0;
+		if ((err & ERR_MASK(RcvICRCErr)) &&
+		    !(err&(ERR_MASK(RcvVCRCErr)|ERR_MASK(RcvEBPErr))))
+			strlcat(buf, "CRC ", blen);
+		if (!iserr)
+			goto done;
+	}
+	if (err & ERR_MASK(RcvHdrLenErr))
+		strlcat(buf, "rhdrlen ", blen);
+	if (err & ERR_MASK(RcvBadTidErr))
+		strlcat(buf, "rbadtid ", blen);
+	if (err & ERR_MASK(RcvBadVersionErr))
+		strlcat(buf, "rbadversion ", blen);
+	if (err & ERR_MASK(RcvHdrErr))
+		strlcat(buf, "rhdr ", blen);
+	if (err & ERR_MASK(RcvLongPktLenErr))
+		strlcat(buf, "rlongpktlen ", blen);
+	if (err & ERR_MASK(RcvMaxPktLenErr))
+		strlcat(buf, "rmaxpktlen ", blen);
+	if (err & ERR_MASK(RcvMinPktLenErr))
+		strlcat(buf, "rminpktlen ", blen);
+	if (err & ERR_MASK(SendMinPktLenErr))
+		strlcat(buf, "sminpktlen ", blen);
+	if (err & ERR_MASK(RcvFormatErr))
+		strlcat(buf, "rformaterr ", blen);
+	if (err & ERR_MASK(RcvUnsupportedVLErr))
+		strlcat(buf, "runsupvl ", blen);
+	if (err & ERR_MASK(RcvUnexpectedCharErr))
+		strlcat(buf, "runexpchar ", blen);
+	if (err & ERR_MASK(RcvIBFlowErr))
+		strlcat(buf, "ribflow ", blen);
+	if (err & ERR_MASK(SendUnderRunErr))
+		strlcat(buf, "sunderrun ", blen);
+	if (err & ERR_MASK(SendPioArmLaunchErr))
+		strlcat(buf, "spioarmlaunch ", blen);
+	if (err & ERR_MASK(SendUnexpectedPktNumErr))
+		strlcat(buf, "sunexperrpktnum ", blen);
+	if (err & ERR_MASK(SendDroppedSmpPktErr))
+		strlcat(buf, "sdroppedsmppkt ", blen);
+	if (err & ERR_MASK(SendMaxPktLenErr))
+		strlcat(buf, "smaxpktlen ", blen);
+	if (err & ERR_MASK(SendUnsupportedVLErr))
+		strlcat(buf, "sunsupVL ", blen);
+	if (err & ERR_MASK(InvalidAddrErr))
+		strlcat(buf, "invalidaddr ", blen);
+	if (err & ERR_MASK(RcvEgrFullErr))
+		strlcat(buf, "rcvegrfull ", blen);
+	if (err & ERR_MASK(RcvHdrFullErr))
+		strlcat(buf, "rcvhdrfull ", blen);
+	if (err & ERR_MASK(IBStatusChanged))
+		strlcat(buf, "ibcstatuschg ", blen);
+	if (err & ERR_MASK(RcvIBLostLinkErr))
+		strlcat(buf, "riblostlink ", blen);
+	if (err & ERR_MASK(HardwareErr))
+		strlcat(buf, "hardware ", blen);
+	if (err & ERR_MASK(ResetNegated))
+		strlcat(buf, "reset ", blen);
+done:
+	return iserr;
+}
+
+/*
+ * Called when we might have an error that is specific to a particular
+ * PIO buffer, and may need to cancel that buffer, so it can be re-used.
+ */
+static void qib_disarm_6120_senderrbufs(struct qib_pportdata *ppd)
+{
+	unsigned long sbuf[2];
+	struct qib_devdata *dd = ppd->dd;
+
+	/*
+	 * It's possible that sendbuffererror could have bits set; might
+	 * have already done this as a result of hardware error handling.
+	 */
+	sbuf[0] = qib_read_kreg64(dd, kr_sendbuffererror);
+	sbuf[1] = qib_read_kreg64(dd, kr_sendbuffererror + 1);
+
+	if (sbuf[0] || sbuf[1])
+		qib_disarm_piobufs_set(dd, sbuf,
+				       dd->piobcnt2k + dd->piobcnt4k);
+}
+
+static int chk_6120_linkrecovery(struct qib_devdata *dd, u64 ibcs)
+{
+	int ret = 1;
+	u32 ibstate = qib_6120_iblink_state(ibcs);
+	u32 linkrecov = read_6120_creg32(dd, cr_iblinkerrrecov);
+
+	if (linkrecov != dd->cspec->lastlinkrecov) {
+		/* and no more until active again */
+		dd->cspec->lastlinkrecov = 0;
+		qib_set_linkstate(dd->pport, QIB_IB_LINKDOWN);
+		ret = 0;
+	}
+	if (ibstate == IB_PORT_ACTIVE)
+		dd->cspec->lastlinkrecov =
+			read_6120_creg32(dd, cr_iblinkerrrecov);
+	return ret;
+}
+
+static void handle_6120_errors(struct qib_devdata *dd, u64 errs)
+{
+	char *msg;
+	u64 ignore_this_time = 0;
+	u64 iserr = 0;
+	int log_idx;
+	struct qib_pportdata *ppd = dd->pport;
+	u64 mask;
+
+	/* don't report errors that are masked */
+	errs &= dd->cspec->errormask;
+	msg = dd->cspec->emsgbuf;
+
+	/* do these first, they are most important */
+	if (errs & ERR_MASK(HardwareErr))
+		qib_handle_6120_hwerrors(dd, msg, sizeof dd->cspec->emsgbuf);
+	else
+		for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
+			if (errs & dd->eep_st_masks[log_idx].errs_to_log)
+				qib_inc_eeprom_err(dd, log_idx, 1);
+
+	if (errs & ~IB_E_BITSEXTANT)
+		qib_dev_err(dd, "error interrupt with unknown errors "
+			    "%llx set\n",
+			    (unsigned long long) (errs & ~IB_E_BITSEXTANT));
+
+	if (errs & E_SUM_ERRS) {
+		qib_disarm_6120_senderrbufs(ppd);
+		if ((errs & E_SUM_LINK_PKTERRS) &&
+		    !(ppd->lflags & QIBL_LINKACTIVE)) {
+			/*
+			 * This can happen when trying to bring the link
+			 * up, but the IB link changes state at the "wrong"
+			 * time. The IB logic then complains that the packet
+			 * isn't valid.  We don't want to confuse people, so
+			 * we just don't print them, except at debug
+			 */
+			ignore_this_time = errs & E_SUM_LINK_PKTERRS;
+		}
+	} else if ((errs & E_SUM_LINK_PKTERRS) &&
+		   !(ppd->lflags & QIBL_LINKACTIVE)) {
+		/*
+		 * This can happen when SMA is trying to bring the link
+		 * up, but the IB link changes state at the "wrong" time.
+		 * The IB logic then complains that the packet isn't
+		 * valid.  We don't want to confuse people, so we just
+		 * don't print them, except at debug
+		 */
+		ignore_this_time = errs & E_SUM_LINK_PKTERRS;
+	}
+
+	qib_write_kreg(dd, kr_errclear, errs);
+
+	errs &= ~ignore_this_time;
+	if (!errs)
+		goto done;
+
+	/*
+	 * The ones we mask off are handled specially below
+	 * or above.
+	 */
+	mask = ERR_MASK(IBStatusChanged) | ERR_MASK(RcvEgrFullErr) |
+		ERR_MASK(RcvHdrFullErr) | ERR_MASK(HardwareErr);
+	qib_decode_6120_err(dd, msg, sizeof dd->cspec->emsgbuf, errs & ~mask);
+
+	if (errs & E_SUM_PKTERRS)
+		qib_stats.sps_rcverrs++;
+	if (errs & E_SUM_ERRS)
+		qib_stats.sps_txerrs++;
+
+	iserr = errs & ~(E_SUM_PKTERRS | QLOGIC_IB_E_PKTERRS);
+
+	if (errs & ERR_MASK(IBStatusChanged)) {
+		u64 ibcs = qib_read_kreg64(dd, kr_ibcstatus);
+		u32 ibstate = qib_6120_iblink_state(ibcs);
+		int handle = 1;
+
+		if (ibstate != IB_PORT_INIT && dd->cspec->lastlinkrecov)
+			handle = chk_6120_linkrecovery(dd, ibcs);
+		/*
+		 * Since going into a recovery state causes the link state
+		 * to go down and since recovery is transitory, it is better
+		 * if we "miss" ever seeing the link training state go into
+		 * recovery (i.e., ignore this transition for link state
+		 * special handling purposes) without updating lastibcstat.
+		 */
+		if (handle && qib_6120_phys_portstate(ibcs) ==
+					    IB_PHYSPORTSTATE_LINK_ERR_RECOVER)
+			handle = 0;
+		if (handle)
+			qib_handle_e_ibstatuschanged(ppd, ibcs);
+	}
+
+	if (errs & ERR_MASK(ResetNegated)) {
+		qib_dev_err(dd, "Got reset, requires re-init "
+			      "(unload and reload driver)\n");
+		dd->flags &= ~QIB_INITTED;  /* needs re-init */
+		/* mark as having had error */
+		*dd->devstatusp |= QIB_STATUS_HWERROR;
+		*dd->pport->statusp &= ~QIB_STATUS_IB_CONF;
+	}
+
+	if (*msg && iserr)
+		qib_dev_porterr(dd, ppd->port, "%s error\n", msg);
+
+	if (ppd->state_wanted & ppd->lflags)
+		wake_up_interruptible(&ppd->state_wait);
+
+	/*
+	 * If there were hdrq or egrfull errors, wake up any processes
+	 * waiting in poll.  We used to try to check which contexts had
+	 * the overflow, but given the cost of that and the chip reads
+	 * to support it, it's better to just wake everybody up if we
+	 * get an overflow; waiters can poll again if it's not them.
+	 */
+	if (errs & (ERR_MASK(RcvEgrFullErr) | ERR_MASK(RcvHdrFullErr))) {
+		qib_handle_urcv(dd, ~0U);
+		if (errs & ERR_MASK(RcvEgrFullErr))
+			qib_stats.sps_buffull++;
+		else
+			qib_stats.sps_hdrfull++;
+	}
+done:
+	return;
+}
+
+/**
+ * qib_6120_init_hwerrors - enable hardware errors
+ * @dd: the qlogic_ib device
+ *
+ * now that we have finished initializing everything that might reasonably
+ * cause a hardware error, and cleared those errors bits as they occur,
+ * we can enable hardware errors in the mask (potentially enabling
+ * freeze mode), and enable hardware errors as errors (along with
+ * everything else) in errormask
+ */
+static void qib_6120_init_hwerrors(struct qib_devdata *dd)
+{
+	u64 val;
+	u64 extsval;
+
+	extsval = qib_read_kreg64(dd, kr_extstatus);
+
+	if (!(extsval & QLOGIC_IB_EXTS_MEMBIST_ENDTEST))
+		qib_dev_err(dd, "MemBIST did not complete!\n");
+
+	/* init so all hwerrors interrupt, and enter freeze, ajdust below */
+	val = ~0ULL;
+	if (dd->minrev < 2) {
+		/*
+		 * Avoid problem with internal interface bus parity
+		 * checking. Fixed in Rev2.
+		 */
+		val &= ~QLOGIC_IB_HWE_PCIEBUSPARITYRADM;
+	}
+	/* avoid some intel cpu's speculative read freeze mode issue */
+	val &= ~TXEMEMPARITYERR_PIOBUF;
+
+	dd->cspec->hwerrmask = val;
+
+	qib_write_kreg(dd, kr_hwerrclear, ~HWE_MASK(PowerOnBISTFailed));
+	qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+
+	/* clear all */
+	qib_write_kreg(dd, kr_errclear, ~0ULL);
+	/* enable errors that are masked, at least this first time. */
+	qib_write_kreg(dd, kr_errmask, ~0ULL);
+	dd->cspec->errormask = qib_read_kreg64(dd, kr_errmask);
+	/* clear any interrupts up to this point (ints still not enabled) */
+	qib_write_kreg(dd, kr_intclear, ~0ULL);
+
+	qib_write_kreg(dd, kr_rcvbthqp,
+		       dd->qpn_mask << (QIB_6120_RcvBTHQP_BTHQP_Mask_LSB - 1) |
+		       QIB_KD_QP);
+}
+
+/*
+ * Disable and enable the armlaunch error.  Used for PIO bandwidth testing
+ * on chips that are count-based, rather than trigger-based.  There is no
+ * reference counting, but that's also fine, given the intended use.
+ * Only chip-specific because it's all register accesses
+ */
+static void qib_set_6120_armlaunch(struct qib_devdata *dd, u32 enable)
+{
+	if (enable) {
+		qib_write_kreg(dd, kr_errclear,
+			       ERR_MASK(SendPioArmLaunchErr));
+		dd->cspec->errormask |= ERR_MASK(SendPioArmLaunchErr);
+	} else
+		dd->cspec->errormask &= ~ERR_MASK(SendPioArmLaunchErr);
+	qib_write_kreg(dd, kr_errmask, dd->cspec->errormask);
+}
+
+/*
+ * Formerly took parameter <which> in pre-shifted,
+ * pre-merged form with LinkCmd and LinkInitCmd
+ * together, and assuming the zero was NOP.
+ */
+static void qib_set_ib_6120_lstate(struct qib_pportdata *ppd, u16 linkcmd,
+				   u16 linitcmd)
+{
+	u64 mod_wd;
+	struct qib_devdata *dd = ppd->dd;
+	unsigned long flags;
+
+	if (linitcmd == QLOGIC_IB_IBCC_LINKINITCMD_DISABLE) {
+		/*
+		 * If we are told to disable, note that so link-recovery
+		 * code does not attempt to bring us back up.
+		 */
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags |= QIBL_IB_LINK_DISABLED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	} else if (linitcmd || linkcmd == QLOGIC_IB_IBCC_LINKCMD_DOWN) {
+		/*
+		 * Any other linkinitcmd will lead to LINKDOWN and then
+		 * to INIT (if all is well), so clear flag to let
+		 * link-recovery code attempt to bring us back up.
+		 */
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~QIBL_IB_LINK_DISABLED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	}
+
+	mod_wd = (linkcmd << QLOGIC_IB_IBCC_LINKCMD_SHIFT) |
+		(linitcmd << QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+
+	qib_write_kreg(dd, kr_ibcctrl, dd->cspec->ibcctrl | mod_wd);
+	/* write to chip to prevent back-to-back writes of control reg */
+	qib_write_kreg(dd, kr_scratch, 0);
+}
+
+/**
+ * qib_6120_bringup_serdes - bring up the serdes
+ * @dd: the qlogic_ib device
+ */
+static int qib_6120_bringup_serdes(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 val, config1, prev_val, hwstat, ibc;
+
+	/* Put IBC in reset, sends disabled */
+	dd->control &= ~QLOGIC_IB_C_LINKENABLE;
+	qib_write_kreg(dd, kr_control, 0ULL);
+
+	dd->cspec->ibdeltainprog = 1;
+	dd->cspec->ibsymsnap = read_6120_creg32(dd, cr_ibsymbolerr);
+	dd->cspec->iblnkerrsnap = read_6120_creg32(dd, cr_iblinkerrrecov);
+
+	/* flowcontrolwatermark is in units of KBytes */
+	ibc = 0x5ULL << SYM_LSB(IBCCtrl, FlowCtrlWaterMark);
+	/*
+	 * How often flowctrl sent.  More or less in usecs; balance against
+	 * watermark value, so that in theory senders always get a flow
+	 * control update in time to not let the IB link go idle.
+	 */
+	ibc |= 0x3ULL << SYM_LSB(IBCCtrl, FlowCtrlPeriod);
+	/* max error tolerance */
+	dd->cspec->lli_thresh = 0xf;
+	ibc |= (u64) dd->cspec->lli_thresh << SYM_LSB(IBCCtrl, PhyerrThreshold);
+	/* use "real" buffer space for */
+	ibc |= 4ULL << SYM_LSB(IBCCtrl, CreditScale);
+	/* IB credit flow control. */
+	ibc |= 0xfULL << SYM_LSB(IBCCtrl, OverrunThreshold);
+	/*
+	 * set initial max size pkt IBC will send, including ICRC; it's the
+	 * PIO buffer size in dwords, less 1; also see qib_set_mtu()
+	 */
+	ibc |= ((u64)(ppd->ibmaxlen >> 2) + 1) << SYM_LSB(IBCCtrl, MaxPktLen);
+	dd->cspec->ibcctrl = ibc; /* without linkcmd or linkinitcmd! */
+
+	/* initially come up waiting for TS1, without sending anything. */
+	val = dd->cspec->ibcctrl | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
+		QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+	qib_write_kreg(dd, kr_ibcctrl, val);
+
+	val = qib_read_kreg64(dd, kr_serdes_cfg0);
+	config1 = qib_read_kreg64(dd, kr_serdes_cfg1);
+
+	/*
+	 * Force reset on, also set rxdetect enable.  Must do before reading
+	 * serdesstatus at least for simulation, or some of the bits in
+	 * serdes status will come back as undefined and cause simulation
+	 * failures
+	 */
+	val |= SYM_MASK(SerdesCfg0, ResetPLL) |
+		SYM_MASK(SerdesCfg0, RxDetEnX) |
+		(SYM_MASK(SerdesCfg0, L1PwrDnA) |
+		 SYM_MASK(SerdesCfg0, L1PwrDnB) |
+		 SYM_MASK(SerdesCfg0, L1PwrDnC) |
+		 SYM_MASK(SerdesCfg0, L1PwrDnD));
+	qib_write_kreg(dd, kr_serdes_cfg0, val);
+	/* be sure chip saw it */
+	qib_read_kreg64(dd, kr_scratch);
+	udelay(5);              /* need pll reset set at least for a bit */
+	/*
+	 * after PLL is reset, set the per-lane Resets and TxIdle and
+	 * clear the PLL reset and rxdetect (to get falling edge).
+	 * Leave L1PWR bits set (permanently)
+	 */
+	val &= ~(SYM_MASK(SerdesCfg0, RxDetEnX) |
+		 SYM_MASK(SerdesCfg0, ResetPLL) |
+		 (SYM_MASK(SerdesCfg0, L1PwrDnA) |
+		  SYM_MASK(SerdesCfg0, L1PwrDnB) |
+		  SYM_MASK(SerdesCfg0, L1PwrDnC) |
+		  SYM_MASK(SerdesCfg0, L1PwrDnD)));
+	val |= (SYM_MASK(SerdesCfg0, ResetA) |
+		SYM_MASK(SerdesCfg0, ResetB) |
+		SYM_MASK(SerdesCfg0, ResetC) |
+		SYM_MASK(SerdesCfg0, ResetD)) |
+		SYM_MASK(SerdesCfg0, TxIdeEnX);
+	qib_write_kreg(dd, kr_serdes_cfg0, val);
+	/* be sure chip saw it */
+	(void) qib_read_kreg64(dd, kr_scratch);
+	/* need PLL reset clear for at least 11 usec before lane
+	 * resets cleared; give it a few more to be sure */
+	udelay(15);
+	val &= ~((SYM_MASK(SerdesCfg0, ResetA) |
+		  SYM_MASK(SerdesCfg0, ResetB) |
+		  SYM_MASK(SerdesCfg0, ResetC) |
+		  SYM_MASK(SerdesCfg0, ResetD)) |
+		 SYM_MASK(SerdesCfg0, TxIdeEnX));
+
+	qib_write_kreg(dd, kr_serdes_cfg0, val);
+	/* be sure chip saw it */
+	(void) qib_read_kreg64(dd, kr_scratch);
+
+	val = qib_read_kreg64(dd, kr_xgxs_cfg);
+	prev_val = val;
+	if (val & QLOGIC_IB_XGXS_RESET)
+		val &= ~QLOGIC_IB_XGXS_RESET;
+	if (SYM_FIELD(val, XGXSCfg, polarity_inv) != ppd->rx_pol_inv) {
+		/* need to compensate for Tx inversion in partner */
+		val &= ~SYM_MASK(XGXSCfg, polarity_inv);
+		val |= (u64)ppd->rx_pol_inv << SYM_LSB(XGXSCfg, polarity_inv);
+	}
+	if (val != prev_val)
+		qib_write_kreg(dd, kr_xgxs_cfg, val);
+
+	val = qib_read_kreg64(dd, kr_serdes_cfg0);
+
+	/* clear current and de-emphasis bits */
+	config1 &= ~0x0ffffffff00ULL;
+	/* set current to 20ma */
+	config1 |= 0x00000000000ULL;
+	/* set de-emphasis to -5.68dB */
+	config1 |= 0x0cccc000000ULL;
+	qib_write_kreg(dd, kr_serdes_cfg1, config1);
+
+	/* base and port guid same for single port */
+	ppd->guid = dd->base_guid;
+
+	/*
+	 * the process of setting and un-resetting the serdes normally
+	 * causes a serdes PLL error, so check for that and clear it
+	 * here.  Also clearr hwerr bit in errstatus, but not others.
+	 */
+	hwstat = qib_read_kreg64(dd, kr_hwerrstatus);
+	if (hwstat) {
+		/* should just have PLL, clear all set, in an case */
+		if (hwstat & ~QLOGIC_IB_HWE_SERDESPLLFAILED)
+			qib_write_kreg(dd, kr_hwerrclear, hwstat);
+		qib_write_kreg(dd, kr_errclear, ERR_MASK(HardwareErr));
+	}
+
+	dd->control |= QLOGIC_IB_C_LINKENABLE;
+	dd->control &= ~QLOGIC_IB_C_FREEZEMODE;
+	qib_write_kreg(dd, kr_control, dd->control);
+
+	return 0;
+}
+
+/**
+ * qib_6120_quiet_serdes - set serdes to txidle
+ * @ppd: physical port of the qlogic_ib device
+ * Called when driver is being unloaded
+ */
+static void qib_6120_quiet_serdes(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 val;
+
+	qib_set_ib_6120_lstate(ppd, 0, QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
+
+	/* disable IBC */
+	dd->control &= ~QLOGIC_IB_C_LINKENABLE;
+	qib_write_kreg(dd, kr_control,
+		       dd->control | QLOGIC_IB_C_FREEZEMODE);
+
+	if (dd->cspec->ibsymdelta || dd->cspec->iblnkerrdelta ||
+	    dd->cspec->ibdeltainprog) {
+		u64 diagc;
+
+		/* enable counter writes */
+		diagc = qib_read_kreg64(dd, kr_hwdiagctrl);
+		qib_write_kreg(dd, kr_hwdiagctrl,
+			       diagc | SYM_MASK(HwDiagCtrl, CounterWrEnable));
+
+		if (dd->cspec->ibsymdelta || dd->cspec->ibdeltainprog) {
+			val = read_6120_creg32(dd, cr_ibsymbolerr);
+			if (dd->cspec->ibdeltainprog)
+				val -= val - dd->cspec->ibsymsnap;
+			val -= dd->cspec->ibsymdelta;
+			write_6120_creg(dd, cr_ibsymbolerr, val);
+		}
+		if (dd->cspec->iblnkerrdelta || dd->cspec->ibdeltainprog) {
+			val = read_6120_creg32(dd, cr_iblinkerrrecov);
+			if (dd->cspec->ibdeltainprog)
+				val -= val - dd->cspec->iblnkerrsnap;
+			val -= dd->cspec->iblnkerrdelta;
+			write_6120_creg(dd, cr_iblinkerrrecov, val);
+		}
+
+		/* and disable counter writes */
+		qib_write_kreg(dd, kr_hwdiagctrl, diagc);
+	}
+
+	val = qib_read_kreg64(dd, kr_serdes_cfg0);
+	val |= SYM_MASK(SerdesCfg0, TxIdeEnX);
+	qib_write_kreg(dd, kr_serdes_cfg0, val);
+}
+
+/**
+ * qib_6120_setup_setextled - set the state of the two external LEDs
+ * @dd: the qlogic_ib device
+ * @on: whether the link is up or not
+ *
+ * The exact combo of LEDs if on is true is determined by looking
+ * at the ibcstatus.
+
+ * These LEDs indicate the physical and logical state of IB link.
+ * For this chip (at least with recommended board pinouts), LED1
+ * is Yellow (logical state) and LED2 is Green (physical state),
+ *
+ * Note:  We try to match the Mellanox HCA LED behavior as best
+ * we can.  Green indicates physical link state is OK (something is
+ * plugged in, and we can train).
+ * Amber indicates the link is logically up (ACTIVE).
+ * Mellanox further blinks the amber LED to indicate data packet
+ * activity, but we have no hardware support for that, so it would
+ * require waking up every 10-20 msecs and checking the counters
+ * on the chip, and then turning the LED off if appropriate.  That's
+ * visible overhead, so not something we will do.
+ *
+ */
+static void qib_6120_setup_setextled(struct qib_pportdata *ppd, u32 on)
+{
+	u64 extctl, val, lst, ltst;
+	unsigned long flags;
+	struct qib_devdata *dd = ppd->dd;
+
+	/*
+	 * The diags use the LED to indicate diag info, so we leave
+	 * the external LED alone when the diags are running.
+	 */
+	if (dd->diag_client)
+		return;
+
+	/* Allow override of LED display for, e.g. Locating system in rack */
+	if (ppd->led_override) {
+		ltst = (ppd->led_override & QIB_LED_PHYS) ?
+			IB_PHYSPORTSTATE_LINKUP : IB_PHYSPORTSTATE_DISABLED,
+		lst = (ppd->led_override & QIB_LED_LOG) ?
+			IB_PORT_ACTIVE : IB_PORT_DOWN;
+	} else if (on) {
+		val = qib_read_kreg64(dd, kr_ibcstatus);
+		ltst = qib_6120_phys_portstate(val);
+		lst = qib_6120_iblink_state(val);
+	} else {
+		ltst = 0;
+		lst = 0;
+	}
+
+	spin_lock_irqsave(&dd->cspec->gpio_lock, flags);
+	extctl = dd->cspec->extctrl & ~(SYM_MASK(EXTCtrl, LEDPriPortGreenOn) |
+				 SYM_MASK(EXTCtrl, LEDPriPortYellowOn));
+
+	if (ltst == IB_PHYSPORTSTATE_LINKUP)
+		extctl |= SYM_MASK(EXTCtrl, LEDPriPortYellowOn);
+	if (lst == IB_PORT_ACTIVE)
+		extctl |= SYM_MASK(EXTCtrl, LEDPriPortGreenOn);
+	dd->cspec->extctrl = extctl;
+	qib_write_kreg(dd, kr_extctrl, extctl);
+	spin_unlock_irqrestore(&dd->cspec->gpio_lock, flags);
+}
+
+static void qib_6120_free_irq(struct qib_devdata *dd)
+{
+	if (dd->cspec->irq) {
+		free_irq(dd->cspec->irq, dd);
+		dd->cspec->irq = 0;
+	}
+	qib_nomsi(dd);
+}
+
+/**
+ * qib_6120_setup_cleanup - clean up any per-chip chip-specific stuff
+ * @dd: the qlogic_ib device
+ *
+ * This is called during driver unload.
+*/
+static void qib_6120_setup_cleanup(struct qib_devdata *dd)
+{
+	qib_6120_free_irq(dd);
+	kfree(dd->cspec->cntrs);
+	kfree(dd->cspec->portcntrs);
+	if (dd->cspec->dummy_hdrq) {
+		dma_free_coherent(&dd->pcidev->dev,
+				  ALIGN(dd->rcvhdrcnt *
+					dd->rcvhdrentsize *
+					sizeof(u32), PAGE_SIZE),
+				  dd->cspec->dummy_hdrq,
+				  dd->cspec->dummy_hdrq_phys);
+		dd->cspec->dummy_hdrq = NULL;
+	}
+}
+
+static void qib_wantpiobuf_6120_intr(struct qib_devdata *dd, u32 needint)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->sendctrl_lock, flags);
+	if (needint)
+		dd->sendctrl |= SYM_MASK(SendCtrl, PIOIntBufAvail);
+	else
+		dd->sendctrl &= ~SYM_MASK(SendCtrl, PIOIntBufAvail);
+	qib_write_kreg(dd, kr_sendctrl, dd->sendctrl);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+	spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+}
+
+/*
+ * handle errors and unusual events first, separate function
+ * to improve cache hits for fast path interrupt handling
+ */
+static noinline void unlikely_6120_intr(struct qib_devdata *dd, u64 istat)
+{
+	if (unlikely(istat & ~QLOGIC_IB_I_BITSEXTANT))
+		qib_dev_err(dd, "interrupt with unknown interrupts %Lx set\n",
+			    istat & ~QLOGIC_IB_I_BITSEXTANT);
+
+	if (istat & QLOGIC_IB_I_ERROR) {
+		u64 estat = 0;
+
+		qib_stats.sps_errints++;
+		estat = qib_read_kreg64(dd, kr_errstatus);
+		if (!estat)
+			qib_devinfo(dd->pcidev, "error interrupt (%Lx), "
+				 "but no error bits set!\n", istat);
+		handle_6120_errors(dd, estat);
+	}
+
+	if (istat & QLOGIC_IB_I_GPIO) {
+		u32 gpiostatus;
+		u32 to_clear = 0;
+
+		/*
+		 * GPIO_3..5 on IBA6120 Rev2 chips indicate
+		 * errors that we need to count.
+		 */
+		gpiostatus = qib_read_kreg32(dd, kr_gpio_status);
+		/* First the error-counter case. */
+		if (gpiostatus & GPIO_ERRINTR_MASK) {
+			/* want to clear the bits we see asserted. */
+			to_clear |= (gpiostatus & GPIO_ERRINTR_MASK);
+
+			/*
+			 * Count appropriately, clear bits out of our copy,
+			 * as they have been "handled".
+			 */
+			if (gpiostatus & (1 << GPIO_RXUVL_BIT))
+				dd->cspec->rxfc_unsupvl_errs++;
+			if (gpiostatus & (1 << GPIO_OVRUN_BIT))
+				dd->cspec->overrun_thresh_errs++;
+			if (gpiostatus & (1 << GPIO_LLI_BIT))
+				dd->cspec->lli_errs++;
+			gpiostatus &= ~GPIO_ERRINTR_MASK;
+		}
+		if (gpiostatus) {
+			/*
+			 * Some unexpected bits remain. If they could have
+			 * caused the interrupt, complain and clear.
+			 * To avoid repetition of this condition, also clear
+			 * the mask. It is almost certainly due to error.
+			 */
+			const u32 mask = qib_read_kreg32(dd, kr_gpio_mask);
+
+			/*
+			 * Also check that the chip reflects our shadow,
+			 * and report issues, If they caused the interrupt.
+			 * we will suppress by refreshing from the shadow.
+			 */
+			if (mask & gpiostatus) {
+				to_clear |= (gpiostatus & mask);
+				dd->cspec->gpio_mask &= ~(gpiostatus & mask);
+				qib_write_kreg(dd, kr_gpio_mask,
+					       dd->cspec->gpio_mask);
+			}
+		}
+		if (to_clear)
+			qib_write_kreg(dd, kr_gpio_clear, (u64) to_clear);
+	}
+}
+
+static irqreturn_t qib_6120intr(int irq, void *data)
+{
+	struct qib_devdata *dd = data;
+	irqreturn_t ret;
+	u32 istat, ctxtrbits, rmask, crcs = 0;
+	unsigned i;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT) {
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		ret = IRQ_HANDLED;
+		goto bail;
+	}
+
+	istat = qib_read_kreg32(dd, kr_intstatus);
+
+	if (unlikely(!istat)) {
+		ret = IRQ_NONE; /* not our interrupt, or already handled */
+		goto bail;
+	}
+	if (unlikely(istat == -1)) {
+		qib_bad_intrstatus(dd);
+		/* don't know if it was our interrupt or not */
+		ret = IRQ_NONE;
+		goto bail;
+	}
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+	if (unlikely(istat & (~QLOGIC_IB_I_BITSEXTANT |
+			      QLOGIC_IB_I_GPIO | QLOGIC_IB_I_ERROR)))
+		unlikely_6120_intr(dd, istat);
+
+	/*
+	 * Clear the interrupt bits we found set, relatively early, so we
+	 * "know" know the chip will have seen this by the time we process
+	 * the queue, and will re-interrupt if necessary.  The processor
+	 * itself won't take the interrupt again until we return.
+	 */
+	qib_write_kreg(dd, kr_intclear, istat);
+
+	/*
+	 * Handle kernel receive queues before checking for pio buffers
+	 * available since receives can overflow; piobuf waiters can afford
+	 * a few extra cycles, since they were waiting anyway.
+	 */
+	ctxtrbits = istat &
+		((QLOGIC_IB_I_RCVAVAIL_MASK << QLOGIC_IB_I_RCVAVAIL_SHIFT) |
+		 (QLOGIC_IB_I_RCVURG_MASK << QLOGIC_IB_I_RCVURG_SHIFT));
+	if (ctxtrbits) {
+		rmask = (1U << QLOGIC_IB_I_RCVAVAIL_SHIFT) |
+			(1U << QLOGIC_IB_I_RCVURG_SHIFT);
+		for (i = 0; i < dd->first_user_ctxt; i++) {
+			if (ctxtrbits & rmask) {
+				ctxtrbits &= ~rmask;
+				crcs += qib_kreceive(dd->rcd[i],
+						     &dd->cspec->lli_counter,
+						     NULL);
+			}
+			rmask <<= 1;
+		}
+		if (crcs) {
+			u32 cntr = dd->cspec->lli_counter;
+			cntr += crcs;
+			if (cntr) {
+				if (cntr > dd->cspec->lli_thresh) {
+					dd->cspec->lli_counter = 0;
+					dd->cspec->lli_errs++;
+				} else
+					dd->cspec->lli_counter += cntr;
+			}
+		}
+
+
+		if (ctxtrbits) {
+			ctxtrbits =
+				(ctxtrbits >> QLOGIC_IB_I_RCVAVAIL_SHIFT) |
+				(ctxtrbits >> QLOGIC_IB_I_RCVURG_SHIFT);
+			qib_handle_urcv(dd, ctxtrbits);
+		}
+	}
+
+	if ((istat & QLOGIC_IB_I_SPIOBUFAVAIL) && (dd->flags & QIB_INITTED))
+		qib_ib_piobufavail(dd);
+
+	ret = IRQ_HANDLED;
+bail:
+	return ret;
+}
+
+/*
+ * Set up our chip-specific interrupt handler
+ * The interrupt type has already been setup, so
+ * we just need to do the registration and error checking.
+ */
+static void qib_setup_6120_interrupt(struct qib_devdata *dd)
+{
+	/*
+	 * If the chip supports added error indication via GPIO pins,
+	 * enable interrupts on those bits so the interrupt routine
+	 * can count the events. Also set flag so interrupt routine
+	 * can know they are expected.
+	 */
+	if (SYM_FIELD(dd->revision, Revision_R,
+		      ChipRevMinor) > 1) {
+		/* Rev2+ reports extra errors via internal GPIO pins */
+		dd->cspec->gpio_mask |= GPIO_ERRINTR_MASK;
+		qib_write_kreg(dd, kr_gpio_mask, dd->cspec->gpio_mask);
+	}
+
+	if (!dd->cspec->irq)
+		qib_dev_err(dd, "irq is 0, BIOS error?  Interrupts won't "
+			    "work\n");
+	else {
+		int ret;
+		ret = request_irq(dd->cspec->irq, qib_6120intr, 0,
+				  QIB_DRV_NAME, dd);
+		if (ret)
+			qib_dev_err(dd, "Couldn't setup interrupt "
+				    "(irq=%d): %d\n", dd->cspec->irq,
+				    ret);
+	}
+}
+
+/**
+ * pe_boardname - fill in the board name
+ * @dd: the qlogic_ib device
+ *
+ * info is based on the board revision register
+ */
+static void pe_boardname(struct qib_devdata *dd)
+{
+	char *n;
+	u32 boardid, namelen;
+
+	boardid = SYM_FIELD(dd->revision, Revision,
+			    BoardID);
+
+	switch (boardid) {
+	case 2:
+		n = "InfiniPath_QLE7140";
+		break;
+	default:
+		qib_dev_err(dd, "Unknown 6120 board with ID %u\n", boardid);
+		n = "Unknown_InfiniPath_6120";
+		break;
+	}
+	namelen = strlen(n) + 1;
+	dd->boardname = kmalloc(namelen, GFP_KERNEL);
+	if (!dd->boardname)
+		qib_dev_err(dd, "Failed allocation for board name: %s\n", n);
+	else
+		snprintf(dd->boardname, namelen, "%s", n);
+
+	if (dd->majrev != 4 || !dd->minrev || dd->minrev > 2)
+		qib_dev_err(dd, "Unsupported InfiniPath hardware revision "
+			    "%u.%u!\n", dd->majrev, dd->minrev);
+
+	snprintf(dd->boardversion, sizeof(dd->boardversion),
+		 "ChipABI %u.%u, %s, InfiniPath%u %u.%u, SW Compat %u\n",
+		 QIB_CHIP_VERS_MAJ, QIB_CHIP_VERS_MIN, dd->boardname,
+		 (unsigned)SYM_FIELD(dd->revision, Revision_R, Arch),
+		 dd->majrev, dd->minrev,
+		 (unsigned)SYM_FIELD(dd->revision, Revision_R, SW));
+
+}
+
+/*
+ * This routine sleeps, so it can only be called from user context, not
+ * from interrupt context.  If we need interrupt context, we can split
+ * it into two routines.
+ */
+static int qib_6120_setup_reset(struct qib_devdata *dd)
+{
+	u64 val;
+	int i;
+	int ret;
+	u16 cmdval;
+	u8 int_line, clinesz;
+
+	qib_pcie_getcmd(dd, &cmdval, &int_line, &clinesz);
+
+	/* Use ERROR so it shows up in logs, etc. */
+	qib_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->unit);
+
+	/* no interrupts till re-initted */
+	qib_6120_set_intr_state(dd, 0);
+
+	dd->cspec->ibdeltainprog = 0;
+	dd->cspec->ibsymdelta = 0;
+	dd->cspec->iblnkerrdelta = 0;
+
+	/*
+	 * Keep chip from being accessed until we are ready.  Use
+	 * writeq() directly, to allow the write even though QIB_PRESENT
+	 * isnt' set.
+	 */
+	dd->flags &= ~(QIB_INITTED | QIB_PRESENT);
+	dd->int_counter = 0; /* so we check interrupts work again */
+	val = dd->control | QLOGIC_IB_C_RESET;
+	writeq(val, &dd->kregbase[kr_control]);
+	mb(); /* prevent compiler re-ordering around actual reset */
+
+	for (i = 1; i <= 5; i++) {
+		/*
+		 * Allow MBIST, etc. to complete; longer on each retry.
+		 * We sometimes get machine checks from bus timeout if no
+		 * response, so for now, make it *really* long.
+		 */
+		msleep(1000 + (1 + i) * 2000);
+
+		qib_pcie_reenable(dd, cmdval, int_line, clinesz);
+
+		/*
+		 * Use readq directly, so we don't need to mark it as PRESENT
+		 * until we get a successful indication that all is well.
+		 */
+		val = readq(&dd->kregbase[kr_revision]);
+		if (val == dd->revision) {
+			dd->flags |= QIB_PRESENT; /* it's back */
+			ret = qib_reinit_intr(dd);
+			goto bail;
+		}
+	}
+	ret = 0; /* failed */
+
+bail:
+	if (ret) {
+		if (qib_pcie_params(dd, dd->lbus_width, NULL, NULL))
+			qib_dev_err(dd, "Reset failed to setup PCIe or "
+				    "interrupts; continuing anyway\n");
+		/* clear the reset error, init error/hwerror mask */
+		qib_6120_init_hwerrors(dd);
+		/* for Rev2 error interrupts; nop for rev 1 */
+		qib_write_kreg(dd, kr_gpio_mask, dd->cspec->gpio_mask);
+		/* clear the reset error, init error/hwerror mask */
+		qib_6120_init_hwerrors(dd);
+	}
+	return ret;
+}
+
+/**
+ * qib_6120_put_tid - write a TID in chip
+ * @dd: the qlogic_ib device
+ * @tidptr: pointer to the expected TID (in chip) to update
+ * @tidtype: RCVHQ_RCV_TYPE_EAGER (1) for eager, RCVHQ_RCV_TYPE_EXPECTED (0)
+ * for expected
+ * @pa: physical address of in memory buffer; tidinvalid if freeing
+ *
+ * This exists as a separate routine to allow for special locking etc.
+ * It's used for both the full cleanup on exit, as well as the normal
+ * setup and teardown.
+ */
+static void qib_6120_put_tid(struct qib_devdata *dd, u64 __iomem *tidptr,
+			     u32 type, unsigned long pa)
+{
+	u32 __iomem *tidp32 = (u32 __iomem *)tidptr;
+	unsigned long flags;
+	int tidx;
+	spinlock_t *tidlockp; /* select appropriate spinlock */
+
+	if (!dd->kregbase)
+		return;
+
+	if (pa != dd->tidinvalid) {
+		if (pa & ((1U << 11) - 1)) {
+			qib_dev_err(dd, "Physaddr %lx not 2KB aligned!\n",
+				    pa);
+			return;
+		}
+		pa >>= 11;
+		if (pa & ~QLOGIC_IB_RT_ADDR_MASK) {
+			qib_dev_err(dd, "Physical page address 0x%lx "
+				    "larger than supported\n", pa);
+			return;
+		}
+
+		if (type == RCVHQ_RCV_TYPE_EAGER)
+			pa |= dd->tidtemplate;
+		else /* for now, always full 4KB page */
+			pa |= 2 << 29;
+	}
+
+	/*
+	 * Avoid chip issue by writing the scratch register
+	 * before and after the TID, and with an io write barrier.
+	 * We use a spinlock around the writes, so they can't intermix
+	 * with other TID (eager or expected) writes (the chip problem
+	 * is triggered by back to back TID writes). Unfortunately, this
+	 * call can be done from interrupt level for the ctxt 0 eager TIDs,
+	 * so we have to use irqsave locks.
+	 */
+	/*
+	 * Assumes tidptr always > egrtidbase
+	 * if type == RCVHQ_RCV_TYPE_EAGER.
+	 */
+	tidx = tidptr - dd->egrtidbase;
+
+	tidlockp = (type == RCVHQ_RCV_TYPE_EAGER && tidx < dd->rcvhdrcnt)
+		? &dd->cspec->kernel_tid_lock : &dd->cspec->user_tid_lock;
+	spin_lock_irqsave(tidlockp, flags);
+	qib_write_kreg(dd, kr_scratch, 0xfeeddeaf);
+	writel(pa, tidp32);
+	qib_write_kreg(dd, kr_scratch, 0xdeadbeef);
+	mmiowb();
+	spin_unlock_irqrestore(tidlockp, flags);
+}
+
+/**
+ * qib_6120_put_tid_2 - write a TID in chip, Revision 2 or higher
+ * @dd: the qlogic_ib device
+ * @tidptr: pointer to the expected TID (in chip) to update
+ * @tidtype: RCVHQ_RCV_TYPE_EAGER (1) for eager, RCVHQ_RCV_TYPE_EXPECTED (0)
+ * for expected
+ * @pa: physical address of in memory buffer; tidinvalid if freeing
+ *
+ * This exists as a separate routine to allow for selection of the
+ * appropriate "flavor". The static calls in cleanup just use the
+ * revision-agnostic form, as they are not performance critical.
+ */
+static void qib_6120_put_tid_2(struct qib_devdata *dd, u64 __iomem *tidptr,
+			       u32 type, unsigned long pa)
+{
+	u32 __iomem *tidp32 = (u32 __iomem *)tidptr;
+	u32 tidx;
+
+	if (!dd->kregbase)
+		return;
+
+	if (pa != dd->tidinvalid) {
+		if (pa & ((1U << 11) - 1)) {
+			qib_dev_err(dd, "Physaddr %lx not 2KB aligned!\n",
+				    pa);
+			return;
+		}
+		pa >>= 11;
+		if (pa & ~QLOGIC_IB_RT_ADDR_MASK) {
+			qib_dev_err(dd, "Physical page address 0x%lx "
+				    "larger than supported\n", pa);
+			return;
+		}
+
+		if (type == RCVHQ_RCV_TYPE_EAGER)
+			pa |= dd->tidtemplate;
+		else /* for now, always full 4KB page */
+			pa |= 2 << 29;
+	}
+	tidx = tidptr - dd->egrtidbase;
+	writel(pa, tidp32);
+	mmiowb();
+}
+
+
+/**
+ * qib_6120_clear_tids - clear all TID entries for a context, expected and eager
+ * @dd: the qlogic_ib device
+ * @ctxt: the context
+ *
+ * clear all TID entries for a context, expected and eager.
+ * Used from qib_close().  On this chip, TIDs are only 32 bits,
+ * not 64, but they are still on 64 bit boundaries, so tidbase
+ * is declared as u64 * for the pointer math, even though we write 32 bits
+ */
+static void qib_6120_clear_tids(struct qib_devdata *dd,
+				struct qib_ctxtdata *rcd)
+{
+	u64 __iomem *tidbase;
+	unsigned long tidinv;
+	u32 ctxt;
+	int i;
+
+	if (!dd->kregbase || !rcd)
+		return;
+
+	ctxt = rcd->ctxt;
+
+	tidinv = dd->tidinvalid;
+	tidbase = (u64 __iomem *)
+		((char __iomem *)(dd->kregbase) +
+		 dd->rcvtidbase +
+		 ctxt * dd->rcvtidcnt * sizeof(*tidbase));
+
+	for (i = 0; i < dd->rcvtidcnt; i++)
+		/* use func pointer because could be one of two funcs */
+		dd->f_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EXPECTED,
+				  tidinv);
+
+	tidbase = (u64 __iomem *)
+		((char __iomem *)(dd->kregbase) +
+		 dd->rcvegrbase +
+		 rcd->rcvegr_tid_base * sizeof(*tidbase));
+
+	for (i = 0; i < rcd->rcvegrcnt; i++)
+		/* use func pointer because could be one of two funcs */
+		dd->f_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EAGER,
+				  tidinv);
+}
+
+/**
+ * qib_6120_tidtemplate - setup constants for TID updates
+ * @dd: the qlogic_ib device
+ *
+ * We setup stuff that we use a lot, to avoid calculating each time
+ */
+static void qib_6120_tidtemplate(struct qib_devdata *dd)
+{
+	u32 egrsize = dd->rcvegrbufsize;
+
+	/*
+	 * For now, we always allocate 4KB buffers (at init) so we can
+	 * receive max size packets.  We may want a module parameter to
+	 * specify 2KB or 4KB and/or make be per ctxt instead of per device
+	 * for those who want to reduce memory footprint.  Note that the
+	 * rcvhdrentsize size must be large enough to hold the largest
+	 * IB header (currently 96 bytes) that we expect to handle (plus of
+	 * course the 2 dwords of RHF).
+	 */
+	if (egrsize == 2048)
+		dd->tidtemplate = 1U << 29;
+	else if (egrsize == 4096)
+		dd->tidtemplate = 2U << 29;
+	dd->tidinvalid = 0;
+}
+
+int __attribute__((weak)) qib_unordered_wc(void)
+{
+	return 0;
+}
+
+/**
+ * qib_6120_get_base_info - set chip-specific flags for user code
+ * @rcd: the qlogic_ib ctxt
+ * @kbase: qib_base_info pointer
+ *
+ * We set the PCIE flag because the lower bandwidth on PCIe vs
+ * HyperTransport can affect some user packet algorithms.
+ */
+static int qib_6120_get_base_info(struct qib_ctxtdata *rcd,
+				  struct qib_base_info *kinfo)
+{
+	if (qib_unordered_wc())
+		kinfo->spi_runtime_flags |= QIB_RUNTIME_FORCE_WC_ORDER;
+
+	kinfo->spi_runtime_flags |= QIB_RUNTIME_PCIE |
+		QIB_RUNTIME_FORCE_PIOAVAIL | QIB_RUNTIME_PIO_REGSWAPPED;
+	return 0;
+}
+
+
+static struct qib_message_header *
+qib_6120_get_msgheader(struct qib_devdata *dd, __le32 *rhf_addr)
+{
+	return (struct qib_message_header *)
+		&rhf_addr[sizeof(u64) / sizeof(u32)];
+}
+
+static void qib_6120_config_ctxts(struct qib_devdata *dd)
+{
+	dd->ctxtcnt = qib_read_kreg32(dd, kr_portcnt);
+	if (qib_n_krcv_queues > 1) {
+		dd->first_user_ctxt = qib_n_krcv_queues * dd->num_pports;
+		if (dd->first_user_ctxt > dd->ctxtcnt)
+			dd->first_user_ctxt = dd->ctxtcnt;
+		dd->qpn_mask = dd->first_user_ctxt <= 2 ? 2 : 6;
+	} else
+		dd->first_user_ctxt = dd->num_pports;
+	dd->n_krcv_queues = dd->first_user_ctxt;
+}
+
+static void qib_update_6120_usrhead(struct qib_ctxtdata *rcd, u64 hd,
+				    u32 updegr, u32 egrhd)
+{
+	qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+	if (updegr)
+		qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+}
+
+static u32 qib_6120_hdrqempty(struct qib_ctxtdata *rcd)
+{
+	u32 head, tail;
+
+	head = qib_read_ureg32(rcd->dd, ur_rcvhdrhead, rcd->ctxt);
+	if (rcd->rcvhdrtail_kvaddr)
+		tail = qib_get_rcvhdrtail(rcd);
+	else
+		tail = qib_read_ureg32(rcd->dd, ur_rcvhdrtail, rcd->ctxt);
+	return head == tail;
+}
+
+/*
+ * Used when we close any ctxt, for DMA already in flight
+ * at close.  Can't be done until we know hdrq size, so not
+ * early in chip init.
+ */
+static void alloc_dummy_hdrq(struct qib_devdata *dd)
+{
+	dd->cspec->dummy_hdrq = dma_alloc_coherent(&dd->pcidev->dev,
+					dd->rcd[0]->rcvhdrq_size,
+					&dd->cspec->dummy_hdrq_phys,
+					GFP_KERNEL | __GFP_COMP);
+	if (!dd->cspec->dummy_hdrq) {
+		qib_devinfo(dd->pcidev, "Couldn't allocate dummy hdrq\n");
+		/* fallback to just 0'ing */
+		dd->cspec->dummy_hdrq_phys = 0UL;
+	}
+}
+
+/*
+ * Modify the RCVCTRL register in chip-specific way. This
+ * is a function because bit positions and (future) register
+ * location is chip-specific, but the needed operations are
+ * generic. <op> is a bit-mask because we often want to
+ * do multiple modifications.
+ */
+static void rcvctrl_6120_mod(struct qib_pportdata *ppd, unsigned int op,
+			     int ctxt)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 mask, val;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
+
+	if (op & QIB_RCVCTRL_TAILUPD_ENB)
+		dd->rcvctrl |= (1ULL << QLOGIC_IB_R_TAILUPD_SHIFT);
+	if (op & QIB_RCVCTRL_TAILUPD_DIS)
+		dd->rcvctrl &= ~(1ULL << QLOGIC_IB_R_TAILUPD_SHIFT);
+	if (op & QIB_RCVCTRL_PKEY_ENB)
+		dd->rcvctrl &= ~(1ULL << IBA6120_R_PKEY_DIS_SHIFT);
+	if (op & QIB_RCVCTRL_PKEY_DIS)
+		dd->rcvctrl |= (1ULL << IBA6120_R_PKEY_DIS_SHIFT);
+	if (ctxt < 0)
+		mask = (1ULL << dd->ctxtcnt) - 1;
+	else
+		mask = (1ULL << ctxt);
+	if (op & QIB_RCVCTRL_CTXT_ENB) {
+		/* always done for specific ctxt */
+		dd->rcvctrl |= (mask << SYM_LSB(RcvCtrl, PortEnable));
+		if (!(dd->flags & QIB_NODMA_RTAIL))
+			dd->rcvctrl |= 1ULL << QLOGIC_IB_R_TAILUPD_SHIFT;
+		/* Write these registers before the context is enabled. */
+		qib_write_kreg_ctxt(dd, kr_rcvhdrtailaddr, ctxt,
+			dd->rcd[ctxt]->rcvhdrqtailaddr_phys);
+		qib_write_kreg_ctxt(dd, kr_rcvhdraddr, ctxt,
+			dd->rcd[ctxt]->rcvhdrq_phys);
+
+		if (ctxt == 0 && !dd->cspec->dummy_hdrq)
+			alloc_dummy_hdrq(dd);
+	}
+	if (op & QIB_RCVCTRL_CTXT_DIS)
+		dd->rcvctrl &= ~(mask << SYM_LSB(RcvCtrl, PortEnable));
+	if (op & QIB_RCVCTRL_INTRAVAIL_ENB)
+		dd->rcvctrl |= (mask << QLOGIC_IB_R_INTRAVAIL_SHIFT);
+	if (op & QIB_RCVCTRL_INTRAVAIL_DIS)
+		dd->rcvctrl &= ~(mask << QLOGIC_IB_R_INTRAVAIL_SHIFT);
+	qib_write_kreg(dd, kr_rcvctrl, dd->rcvctrl);
+	if ((op & QIB_RCVCTRL_INTRAVAIL_ENB) && dd->rhdrhead_intr_off) {
+		/* arm rcv interrupt */
+		val = qib_read_ureg32(dd, ur_rcvhdrhead, ctxt) |
+			dd->rhdrhead_intr_off;
+		qib_write_ureg(dd, ur_rcvhdrhead, val, ctxt);
+	}
+	if (op & QIB_RCVCTRL_CTXT_ENB) {
+		/*
+		 * Init the context registers also; if we were
+		 * disabled, tail and head should both be zero
+		 * already from the enable, but since we don't
+		 * know, we have to do it explictly.
+		 */
+		val = qib_read_ureg32(dd, ur_rcvegrindextail, ctxt);
+		qib_write_ureg(dd, ur_rcvegrindexhead, val, ctxt);
+
+		val = qib_read_ureg32(dd, ur_rcvhdrtail, ctxt);
+		dd->rcd[ctxt]->head = val;
+		/* If kctxt, interrupt on next receive. */
+		if (ctxt < dd->first_user_ctxt)
+			val |= dd->rhdrhead_intr_off;
+		qib_write_ureg(dd, ur_rcvhdrhead, val, ctxt);
+	}
+	if (op & QIB_RCVCTRL_CTXT_DIS) {
+		/*
+		 * Be paranoid, and never write 0's to these, just use an
+		 * unused page.  Of course,
+		 * rcvhdraddr points to a large chunk of memory, so this
+		 * could still trash things, but at least it won't trash
+		 * page 0, and by disabling the ctxt, it should stop "soon",
+		 * even if a packet or two is in already in flight after we
+		 * disabled the ctxt.  Only 6120 has this issue.
+		 */
+		if (ctxt >= 0) {
+			qib_write_kreg_ctxt(dd, kr_rcvhdrtailaddr, ctxt,
+					    dd->cspec->dummy_hdrq_phys);
+			qib_write_kreg_ctxt(dd, kr_rcvhdraddr, ctxt,
+					    dd->cspec->dummy_hdrq_phys);
+		} else {
+			unsigned i;
+
+			for (i = 0; i < dd->cfgctxts; i++) {
+				qib_write_kreg_ctxt(dd, kr_rcvhdrtailaddr,
+					    i, dd->cspec->dummy_hdrq_phys);
+				qib_write_kreg_ctxt(dd, kr_rcvhdraddr,
+					    i, dd->cspec->dummy_hdrq_phys);
+			}
+		}
+	}
+	spin_unlock_irqrestore(&dd->cspec->rcvmod_lock, flags);
+}
+
+/*
+ * Modify the SENDCTRL register in chip-specific way. This
+ * is a function there may be multiple such registers with
+ * slightly different layouts. Only operations actually used
+ * are implemented yet.
+ * Chip requires no back-back sendctrl writes, so write
+ * scratch register after writing sendctrl
+ */
+static void sendctrl_6120_mod(struct qib_pportdata *ppd, u32 op)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 tmp_dd_sendctrl;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->sendctrl_lock, flags);
+
+	/* First the ones that are "sticky", saved in shadow */
+	if (op & QIB_SENDCTRL_CLEAR)
+		dd->sendctrl = 0;
+	if (op & QIB_SENDCTRL_SEND_DIS)
+		dd->sendctrl &= ~SYM_MASK(SendCtrl, PIOEnable);
+	else if (op & QIB_SENDCTRL_SEND_ENB)
+		dd->sendctrl |= SYM_MASK(SendCtrl, PIOEnable);
+	if (op & QIB_SENDCTRL_AVAIL_DIS)
+		dd->sendctrl &= ~SYM_MASK(SendCtrl, PIOBufAvailUpd);
+	else if (op & QIB_SENDCTRL_AVAIL_ENB)
+		dd->sendctrl |= SYM_MASK(SendCtrl, PIOBufAvailUpd);
+
+	if (op & QIB_SENDCTRL_DISARM_ALL) {
+		u32 i, last;
+
+		tmp_dd_sendctrl = dd->sendctrl;
+		/*
+		 * disarm any that are not yet launched, disabling sends
+		 * and updates until done.
+		 */
+		last = dd->piobcnt2k + dd->piobcnt4k;
+		tmp_dd_sendctrl &=
+			~(SYM_MASK(SendCtrl, PIOEnable) |
+			  SYM_MASK(SendCtrl, PIOBufAvailUpd));
+		for (i = 0; i < last; i++) {
+			qib_write_kreg(dd, kr_sendctrl, tmp_dd_sendctrl |
+				       SYM_MASK(SendCtrl, Disarm) | i);
+			qib_write_kreg(dd, kr_scratch, 0);
+		}
+	}
+
+	tmp_dd_sendctrl = dd->sendctrl;
+
+	if (op & QIB_SENDCTRL_FLUSH)
+		tmp_dd_sendctrl |= SYM_MASK(SendCtrl, Abort);
+	if (op & QIB_SENDCTRL_DISARM)
+		tmp_dd_sendctrl |= SYM_MASK(SendCtrl, Disarm) |
+			((op & QIB_6120_SendCtrl_DisarmPIOBuf_RMASK) <<
+			 SYM_LSB(SendCtrl, DisarmPIOBuf));
+	if (op & QIB_SENDCTRL_AVAIL_BLIP)
+		tmp_dd_sendctrl &= ~SYM_MASK(SendCtrl, PIOBufAvailUpd);
+
+	qib_write_kreg(dd, kr_sendctrl, tmp_dd_sendctrl);
+	qib_write_kreg(dd, kr_scratch, 0);
+
+	if (op & QIB_SENDCTRL_AVAIL_BLIP) {
+		qib_write_kreg(dd, kr_sendctrl, dd->sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+	}
+
+	spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+
+	if (op & QIB_SENDCTRL_FLUSH) {
+		u32 v;
+		/*
+		 * ensure writes have hit chip, then do a few
+		 * more reads, to allow DMA of pioavail registers
+		 * to occur, so in-memory copy is in sync with
+		 * the chip.  Not always safe to sleep.
+		 */
+		v = qib_read_kreg32(dd, kr_scratch);
+		qib_write_kreg(dd, kr_scratch, v);
+		v = qib_read_kreg32(dd, kr_scratch);
+		qib_write_kreg(dd, kr_scratch, v);
+		qib_read_kreg32(dd, kr_scratch);
+	}
+}
+
+/**
+ * qib_portcntr_6120 - read a per-port counter
+ * @dd: the qlogic_ib device
+ * @creg: the counter to snapshot
+ */
+static u64 qib_portcntr_6120(struct qib_pportdata *ppd, u32 reg)
+{
+	u64 ret = 0ULL;
+	struct qib_devdata *dd = ppd->dd;
+	u16 creg;
+	/* 0xffff for unimplemented or synthesized counters */
+	static const u16 xlator[] = {
+		[QIBPORTCNTR_PKTSEND] = cr_pktsend,
+		[QIBPORTCNTR_WORDSEND] = cr_wordsend,
+		[QIBPORTCNTR_PSXMITDATA] = 0xffff,
+		[QIBPORTCNTR_PSXMITPKTS] = 0xffff,
+		[QIBPORTCNTR_PSXMITWAIT] = 0xffff,
+		[QIBPORTCNTR_SENDSTALL] = cr_sendstall,
+		[QIBPORTCNTR_PKTRCV] = cr_pktrcv,
+		[QIBPORTCNTR_PSRCVDATA] = 0xffff,
+		[QIBPORTCNTR_PSRCVPKTS] = 0xffff,
+		[QIBPORTCNTR_RCVEBP] = cr_rcvebp,
+		[QIBPORTCNTR_RCVOVFL] = cr_rcvovfl,
+		[QIBPORTCNTR_WORDRCV] = cr_wordrcv,
+		[QIBPORTCNTR_RXDROPPKT] = cr_rxdroppkt,
+		[QIBPORTCNTR_RXLOCALPHYERR] = 0xffff,
+		[QIBPORTCNTR_RXVLERR] = 0xffff,
+		[QIBPORTCNTR_ERRICRC] = cr_erricrc,
+		[QIBPORTCNTR_ERRVCRC] = cr_errvcrc,
+		[QIBPORTCNTR_ERRLPCRC] = cr_errlpcrc,
+		[QIBPORTCNTR_BADFORMAT] = cr_badformat,
+		[QIBPORTCNTR_ERR_RLEN] = cr_err_rlen,
+		[QIBPORTCNTR_IBSYMBOLERR] = cr_ibsymbolerr,
+		[QIBPORTCNTR_INVALIDRLEN] = cr_invalidrlen,
+		[QIBPORTCNTR_UNSUPVL] = cr_txunsupvl,
+		[QIBPORTCNTR_EXCESSBUFOVFL] = 0xffff,
+		[QIBPORTCNTR_ERRLINK] = cr_errlink,
+		[QIBPORTCNTR_IBLINKDOWN] = cr_iblinkdown,
+		[QIBPORTCNTR_IBLINKERRRECOV] = cr_iblinkerrrecov,
+		[QIBPORTCNTR_LLI] = 0xffff,
+		[QIBPORTCNTR_PSINTERVAL] = 0xffff,
+		[QIBPORTCNTR_PSSTART] = 0xffff,
+		[QIBPORTCNTR_PSSTAT] = 0xffff,
+		[QIBPORTCNTR_VL15PKTDROP] = 0xffff,
+		[QIBPORTCNTR_ERRPKEY] = cr_errpkey,
+		[QIBPORTCNTR_KHDROVFL] = 0xffff,
+	};
+
+	if (reg >= ARRAY_SIZE(xlator)) {
+		qib_devinfo(ppd->dd->pcidev,
+			 "Unimplemented portcounter %u\n", reg);
+		goto done;
+	}
+	creg = xlator[reg];
+
+	/* handle counters requests not implemented as chip counters */
+	if (reg == QIBPORTCNTR_LLI)
+		ret = dd->cspec->lli_errs;
+	else if (reg == QIBPORTCNTR_EXCESSBUFOVFL)
+		ret = dd->cspec->overrun_thresh_errs;
+	else if (reg == QIBPORTCNTR_KHDROVFL) {
+		int i;
+
+		/* sum over all kernel contexts */
+		for (i = 0; i < dd->first_user_ctxt; i++)
+			ret += read_6120_creg32(dd, cr_portovfl + i);
+	} else if (reg == QIBPORTCNTR_PSSTAT)
+		ret = dd->cspec->pma_sample_status;
+	if (creg == 0xffff)
+		goto done;
+
+	/*
+	 * only fast incrementing counters are 64bit; use 32 bit reads to
+	 * avoid two independent reads when on opteron
+	 */
+	if (creg == cr_wordsend || creg == cr_wordrcv ||
+	    creg == cr_pktsend || creg == cr_pktrcv)
+		ret = read_6120_creg(dd, creg);
+	else
+		ret = read_6120_creg32(dd, creg);
+	if (creg == cr_ibsymbolerr) {
+		if (dd->cspec->ibdeltainprog)
+			ret -= ret - dd->cspec->ibsymsnap;
+		ret -= dd->cspec->ibsymdelta;
+	} else if (creg == cr_iblinkerrrecov) {
+		if (dd->cspec->ibdeltainprog)
+			ret -= ret - dd->cspec->iblnkerrsnap;
+		ret -= dd->cspec->iblnkerrdelta;
+	}
+	if (reg == QIBPORTCNTR_RXDROPPKT) /* add special cased count */
+		ret += dd->cspec->rxfc_unsupvl_errs;
+
+done:
+	return ret;
+}
+
+/*
+ * Device counter names (not port-specific), one line per stat,
+ * single string.  Used by utilities like ipathstats to print the stats
+ * in a way which works for different versions of drivers, without changing
+ * the utility.  Names need to be 12 chars or less (w/o newline), for proper
+ * display by utility.
+ * Non-error counters are first.
+ * Start of "error" conters is indicated by a leading "E " on the first
+ * "error" counter, and doesn't count in label length.
+ * The EgrOvfl list needs to be last so we truncate them at the configured
+ * context count for the device.
+ * cntr6120indices contains the corresponding register indices.
+ */
+static const char cntr6120names[] =
+	"Interrupts\n"
+	"HostBusStall\n"
+	"E RxTIDFull\n"
+	"RxTIDInvalid\n"
+	"Ctxt0EgrOvfl\n"
+	"Ctxt1EgrOvfl\n"
+	"Ctxt2EgrOvfl\n"
+	"Ctxt3EgrOvfl\n"
+	"Ctxt4EgrOvfl\n";
+
+static const size_t cntr6120indices[] = {
+	cr_lbint,
+	cr_lbflowstall,
+	cr_errtidfull,
+	cr_errtidvalid,
+	cr_portovfl + 0,
+	cr_portovfl + 1,
+	cr_portovfl + 2,
+	cr_portovfl + 3,
+	cr_portovfl + 4,
+};
+
+/*
+ * same as cntr6120names and cntr6120indices, but for port-specific counters.
+ * portcntr6120indices is somewhat complicated by some registers needing
+ * adjustments of various kinds, and those are ORed with _PORT_VIRT_FLAG
+ */
+static const char portcntr6120names[] =
+	"TxPkt\n"
+	"TxFlowPkt\n"
+	"TxWords\n"
+	"RxPkt\n"
+	"RxFlowPkt\n"
+	"RxWords\n"
+	"TxFlowStall\n"
+	"E IBStatusChng\n"
+	"IBLinkDown\n"
+	"IBLnkRecov\n"
+	"IBRxLinkErr\n"
+	"IBSymbolErr\n"
+	"RxLLIErr\n"
+	"RxBadFormat\n"
+	"RxBadLen\n"
+	"RxBufOvrfl\n"
+	"RxEBP\n"
+	"RxFlowCtlErr\n"
+	"RxICRCerr\n"
+	"RxLPCRCerr\n"
+	"RxVCRCerr\n"
+	"RxInvalLen\n"
+	"RxInvalPKey\n"
+	"RxPktDropped\n"
+	"TxBadLength\n"
+	"TxDropped\n"
+	"TxInvalLen\n"
+	"TxUnderrun\n"
+	"TxUnsupVL\n"
+	;
+
+#define _PORT_VIRT_FLAG 0x8000 /* "virtual", need adjustments */
+static const size_t portcntr6120indices[] = {
+	QIBPORTCNTR_PKTSEND | _PORT_VIRT_FLAG,
+	cr_pktsendflow,
+	QIBPORTCNTR_WORDSEND | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_PKTRCV | _PORT_VIRT_FLAG,
+	cr_pktrcvflowctrl,
+	QIBPORTCNTR_WORDRCV | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_SENDSTALL | _PORT_VIRT_FLAG,
+	cr_ibstatuschange,
+	QIBPORTCNTR_IBLINKDOWN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_IBLINKERRRECOV | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRLINK | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_IBSYMBOLERR | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_LLI | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_BADFORMAT | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERR_RLEN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RCVOVFL | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RCVEBP | _PORT_VIRT_FLAG,
+	cr_rcvflowctrl_err,
+	QIBPORTCNTR_ERRICRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRLPCRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRVCRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_INVALIDRLEN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRPKEY | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RXDROPPKT | _PORT_VIRT_FLAG,
+	cr_invalidslen,
+	cr_senddropped,
+	cr_errslen,
+	cr_sendunderrun,
+	cr_txunsupvl,
+};
+
+/* do all the setup to make the counter reads efficient later */
+static void init_6120_cntrnames(struct qib_devdata *dd)
+{
+	int i, j = 0;
+	char *s;
+
+	for (i = 0, s = (char *)cntr6120names; s && j <= dd->cfgctxts;
+	     i++) {
+		/* we always have at least one counter before the egrovfl */
+		if (!j && !strncmp("Ctxt0EgrOvfl", s + 1, 12))
+			j = 1;
+		s = strchr(s + 1, '\n');
+		if (s && j)
+			j++;
+	}
+	dd->cspec->ncntrs = i;
+	if (!s)
+		/* full list; size is without terminating null */
+		dd->cspec->cntrnamelen = sizeof(cntr6120names) - 1;
+	else
+		dd->cspec->cntrnamelen = 1 + s - cntr6120names;
+	dd->cspec->cntrs = kmalloc(dd->cspec->ncntrs
+		* sizeof(u64), GFP_KERNEL);
+	if (!dd->cspec->cntrs)
+		qib_dev_err(dd, "Failed allocation for counters\n");
+
+	for (i = 0, s = (char *)portcntr6120names; s; i++)
+		s = strchr(s + 1, '\n');
+	dd->cspec->nportcntrs = i - 1;
+	dd->cspec->portcntrnamelen = sizeof(portcntr6120names) - 1;
+	dd->cspec->portcntrs = kmalloc(dd->cspec->nportcntrs
+		* sizeof(u64), GFP_KERNEL);
+	if (!dd->cspec->portcntrs)
+		qib_dev_err(dd, "Failed allocation for portcounters\n");
+}
+
+static u32 qib_read_6120cntrs(struct qib_devdata *dd, loff_t pos, char **namep,
+			      u64 **cntrp)
+{
+	u32 ret;
+
+	if (namep) {
+		ret = dd->cspec->cntrnamelen;
+		if (pos >= ret)
+			ret = 0; /* final read after getting everything */
+		else
+			*namep = (char *)cntr6120names;
+	} else {
+		u64 *cntr = dd->cspec->cntrs;
+		int i;
+
+		ret = dd->cspec->ncntrs * sizeof(u64);
+		if (!cntr || pos >= ret) {
+			/* everything read, or couldn't get memory */
+			ret = 0;
+			goto done;
+		}
+		if (pos >= ret) {
+			ret = 0; /* final read after getting everything */
+			goto done;
+		}
+		*cntrp = cntr;
+		for (i = 0; i < dd->cspec->ncntrs; i++)
+			*cntr++ = read_6120_creg32(dd, cntr6120indices[i]);
+	}
+done:
+	return ret;
+}
+
+static u32 qib_read_6120portcntrs(struct qib_devdata *dd, loff_t pos, u32 port,
+				  char **namep, u64 **cntrp)
+{
+	u32 ret;
+
+	if (namep) {
+		ret = dd->cspec->portcntrnamelen;
+		if (pos >= ret)
+			ret = 0; /* final read after getting everything */
+		else
+			*namep = (char *)portcntr6120names;
+	} else {
+		u64 *cntr = dd->cspec->portcntrs;
+		struct qib_pportdata *ppd = &dd->pport[port];
+		int i;
+
+		ret = dd->cspec->nportcntrs * sizeof(u64);
+		if (!cntr || pos >= ret) {
+			/* everything read, or couldn't get memory */
+			ret = 0;
+			goto done;
+		}
+		*cntrp = cntr;
+		for (i = 0; i < dd->cspec->nportcntrs; i++) {
+			if (portcntr6120indices[i] & _PORT_VIRT_FLAG)
+				*cntr++ = qib_portcntr_6120(ppd,
+					portcntr6120indices[i] &
+					~_PORT_VIRT_FLAG);
+			else
+				*cntr++ = read_6120_creg32(dd,
+					   portcntr6120indices[i]);
+		}
+	}
+done:
+	return ret;
+}
+
+static void qib_chk_6120_errormask(struct qib_devdata *dd)
+{
+	static u32 fixed;
+	u32 ctrl;
+	unsigned long errormask;
+	unsigned long hwerrs;
+
+	if (!dd->cspec->errormask || !(dd->flags & QIB_INITTED))
+		return;
+
+	errormask = qib_read_kreg64(dd, kr_errmask);
+
+	if (errormask == dd->cspec->errormask)
+		return;
+	fixed++;
+
+	hwerrs = qib_read_kreg64(dd, kr_hwerrstatus);
+	ctrl = qib_read_kreg32(dd, kr_control);
+
+	qib_write_kreg(dd, kr_errmask,
+		dd->cspec->errormask);
+
+	if ((hwerrs & dd->cspec->hwerrmask) ||
+	    (ctrl & QLOGIC_IB_C_FREEZEMODE)) {
+		qib_write_kreg(dd, kr_hwerrclear, 0ULL);
+		qib_write_kreg(dd, kr_errclear, 0ULL);
+		/* force re-interrupt of pending events, just in case */
+		qib_write_kreg(dd, kr_intclear, 0ULL);
+		qib_devinfo(dd->pcidev,
+			 "errormask fixed(%u) %lx->%lx, ctrl %x hwerr %lx\n",
+			 fixed, errormask, (unsigned long)dd->cspec->errormask,
+			 ctrl, hwerrs);
+	}
+}
+
+/**
+ * qib_get_faststats - get word counters from chip before they overflow
+ * @opaque - contains a pointer to the qlogic_ib device qib_devdata
+ *
+ * This needs more work; in particular, decision on whether we really
+ * need traffic_wds done the way it is
+ * called from add_timer
+ */
+static void qib_get_6120_faststats(unsigned long opaque)
+{
+	struct qib_devdata *dd = (struct qib_devdata *) opaque;
+	struct qib_pportdata *ppd = dd->pport;
+	unsigned long flags;
+	u64 traffic_wds;
+
+	/*
+	 * don't access the chip while running diags, or memory diags can
+	 * fail
+	 */
+	if (!(dd->flags & QIB_INITTED) || dd->diag_client)
+		/* but re-arm the timer, for diags case; won't hurt other */
+		goto done;
+
+	/*
+	 * We now try to maintain an activity timer, based on traffic
+	 * exceeding a threshold, so we need to check the word-counts
+	 * even if they are 64-bit.
+	 */
+	traffic_wds = qib_portcntr_6120(ppd, cr_wordsend) +
+		qib_portcntr_6120(ppd, cr_wordrcv);
+	spin_lock_irqsave(&dd->eep_st_lock, flags);
+	traffic_wds -= dd->traffic_wds;
+	dd->traffic_wds += traffic_wds;
+	if (traffic_wds  >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
+		atomic_add(5, &dd->active_time); /* S/B #define */
+	spin_unlock_irqrestore(&dd->eep_st_lock, flags);
+
+	qib_chk_6120_errormask(dd);
+done:
+	mod_timer(&dd->stats_timer, jiffies + HZ * ACTIVITY_TIMER);
+}
+
+/* no interrupt fallback for these chips */
+static int qib_6120_nointr_fallback(struct qib_devdata *dd)
+{
+	return 0;
+}
+
+/*
+ * reset the XGXS (between serdes and IBC).  Slightly less intrusive
+ * than resetting the IBC or external link state, and useful in some
+ * cases to cause some retraining.  To do this right, we reset IBC
+ * as well.
+ */
+static void qib_6120_xgxs_reset(struct qib_pportdata *ppd)
+{
+	u64 val, prev_val;
+	struct qib_devdata *dd = ppd->dd;
+
+	prev_val = qib_read_kreg64(dd, kr_xgxs_cfg);
+	val = prev_val | QLOGIC_IB_XGXS_RESET;
+	prev_val &= ~QLOGIC_IB_XGXS_RESET; /* be sure */
+	qib_write_kreg(dd, kr_control,
+		       dd->control & ~QLOGIC_IB_C_LINKENABLE);
+	qib_write_kreg(dd, kr_xgxs_cfg, val);
+	qib_read_kreg32(dd, kr_scratch);
+	qib_write_kreg(dd, kr_xgxs_cfg, prev_val);
+	qib_write_kreg(dd, kr_control, dd->control);
+}
+
+static int qib_6120_get_ib_cfg(struct qib_pportdata *ppd, int which)
+{
+	int ret;
+
+	switch (which) {
+	case QIB_IB_CFG_LWID:
+		ret = ppd->link_width_active;
+		break;
+
+	case QIB_IB_CFG_SPD:
+		ret = ppd->link_speed_active;
+		break;
+
+	case QIB_IB_CFG_LWID_ENB:
+		ret = ppd->link_width_enabled;
+		break;
+
+	case QIB_IB_CFG_SPD_ENB:
+		ret = ppd->link_speed_enabled;
+		break;
+
+	case QIB_IB_CFG_OP_VLS:
+		ret = ppd->vls_operational;
+		break;
+
+	case QIB_IB_CFG_VL_HIGH_CAP:
+		ret = 0;
+		break;
+
+	case QIB_IB_CFG_VL_LOW_CAP:
+		ret = 0;
+		break;
+
+	case QIB_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */
+		ret = SYM_FIELD(ppd->dd->cspec->ibcctrl, IBCCtrl,
+				OverrunThreshold);
+		break;
+
+	case QIB_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */
+		ret = SYM_FIELD(ppd->dd->cspec->ibcctrl, IBCCtrl,
+				PhyerrThreshold);
+		break;
+
+	case QIB_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */
+		/* will only take effect when the link state changes */
+		ret = (ppd->dd->cspec->ibcctrl &
+		       SYM_MASK(IBCCtrl, LinkDownDefaultState)) ?
+			IB_LINKINITCMD_SLEEP : IB_LINKINITCMD_POLL;
+		break;
+
+	case QIB_IB_CFG_HRTBT: /* Get Heartbeat off/enable/auto */
+		ret = 0; /* no heartbeat on this chip */
+		break;
+
+	case QIB_IB_CFG_PMA_TICKS:
+		ret = 250; /* 1 usec. */
+		break;
+
+	default:
+		ret =  -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+/*
+ * We assume range checking is already done, if needed.
+ */
+static int qib_6120_set_ib_cfg(struct qib_pportdata *ppd, int which, u32 val)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int ret = 0;
+	u64 val64;
+	u16 lcmd, licmd;
+
+	switch (which) {
+	case QIB_IB_CFG_LWID_ENB:
+		ppd->link_width_enabled = val;
+		break;
+
+	case QIB_IB_CFG_SPD_ENB:
+		ppd->link_speed_enabled = val;
+		break;
+
+	case QIB_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */
+		val64 = SYM_FIELD(dd->cspec->ibcctrl, IBCCtrl,
+				  OverrunThreshold);
+		if (val64 != val) {
+			dd->cspec->ibcctrl &=
+				~SYM_MASK(IBCCtrl, OverrunThreshold);
+			dd->cspec->ibcctrl |= (u64) val <<
+				SYM_LSB(IBCCtrl, OverrunThreshold);
+			qib_write_kreg(dd, kr_ibcctrl, dd->cspec->ibcctrl);
+			qib_write_kreg(dd, kr_scratch, 0);
+		}
+		break;
+
+	case QIB_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */
+		val64 = SYM_FIELD(dd->cspec->ibcctrl, IBCCtrl,
+				  PhyerrThreshold);
+		if (val64 != val) {
+			dd->cspec->ibcctrl &=
+				~SYM_MASK(IBCCtrl, PhyerrThreshold);
+			dd->cspec->ibcctrl |= (u64) val <<
+				SYM_LSB(IBCCtrl, PhyerrThreshold);
+			qib_write_kreg(dd, kr_ibcctrl, dd->cspec->ibcctrl);
+			qib_write_kreg(dd, kr_scratch, 0);
+		}
+		break;
+
+	case QIB_IB_CFG_PKEYS: /* update pkeys */
+		val64 = (u64) ppd->pkeys[0] | ((u64) ppd->pkeys[1] << 16) |
+			((u64) ppd->pkeys[2] << 32) |
+			((u64) ppd->pkeys[3] << 48);
+		qib_write_kreg(dd, kr_partitionkey, val64);
+		break;
+
+	case QIB_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */
+		/* will only take effect when the link state changes */
+		if (val == IB_LINKINITCMD_POLL)
+			dd->cspec->ibcctrl &=
+				~SYM_MASK(IBCCtrl, LinkDownDefaultState);
+		else /* SLEEP */
+			dd->cspec->ibcctrl |=
+				SYM_MASK(IBCCtrl, LinkDownDefaultState);
+		qib_write_kreg(dd, kr_ibcctrl, dd->cspec->ibcctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+		break;
+
+	case QIB_IB_CFG_MTU: /* update the MTU in IBC */
+		/*
+		 * Update our housekeeping variables, and set IBC max
+		 * size, same as init code; max IBC is max we allow in
+		 * buffer, less the qword pbc, plus 1 for ICRC, in dwords
+		 * Set even if it's unchanged, print debug message only
+		 * on changes.
+		 */
+		val = (ppd->ibmaxlen >> 2) + 1;
+		dd->cspec->ibcctrl &= ~SYM_MASK(IBCCtrl, MaxPktLen);
+		dd->cspec->ibcctrl |= (u64)val <<
+			SYM_LSB(IBCCtrl, MaxPktLen);
+		qib_write_kreg(dd, kr_ibcctrl, dd->cspec->ibcctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+		break;
+
+	case QIB_IB_CFG_LSTATE: /* set the IB link state */
+		switch (val & 0xffff0000) {
+		case IB_LINKCMD_DOWN:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_DOWN;
+			if (!dd->cspec->ibdeltainprog) {
+				dd->cspec->ibdeltainprog = 1;
+				dd->cspec->ibsymsnap =
+					read_6120_creg32(dd, cr_ibsymbolerr);
+				dd->cspec->iblnkerrsnap =
+					read_6120_creg32(dd, cr_iblinkerrrecov);
+			}
+			break;
+
+		case IB_LINKCMD_ARMED:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_ARMED;
+			break;
+
+		case IB_LINKCMD_ACTIVE:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_ACTIVE;
+			break;
+
+		default:
+			ret = -EINVAL;
+			qib_dev_err(dd, "bad linkcmd req 0x%x\n", val >> 16);
+			goto bail;
+		}
+		switch (val & 0xffff) {
+		case IB_LINKINITCMD_NOP:
+			licmd = 0;
+			break;
+
+		case IB_LINKINITCMD_POLL:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_POLL;
+			break;
+
+		case IB_LINKINITCMD_SLEEP:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_SLEEP;
+			break;
+
+		case IB_LINKINITCMD_DISABLE:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_DISABLE;
+			break;
+
+		default:
+			ret = -EINVAL;
+			qib_dev_err(dd, "bad linkinitcmd req 0x%x\n",
+				    val & 0xffff);
+			goto bail;
+		}
+		qib_set_ib_6120_lstate(ppd, lcmd, licmd);
+		goto bail;
+
+	case QIB_IB_CFG_HRTBT:
+		ret = -EINVAL;
+		break;
+
+	default:
+		ret = -EINVAL;
+	}
+bail:
+	return ret;
+}
+
+static int qib_6120_set_loopback(struct qib_pportdata *ppd, const char *what)
+{
+	int ret = 0;
+	if (!strncmp(what, "ibc", 3)) {
+		ppd->dd->cspec->ibcctrl |= SYM_MASK(IBCCtrl, Loopback);
+		qib_devinfo(ppd->dd->pcidev, "Enabling IB%u:%u IBC loopback\n",
+			 ppd->dd->unit, ppd->port);
+	} else if (!strncmp(what, "off", 3)) {
+		ppd->dd->cspec->ibcctrl &= ~SYM_MASK(IBCCtrl, Loopback);
+		qib_devinfo(ppd->dd->pcidev, "Disabling IB%u:%u IBC loopback "
+			    "(normal)\n", ppd->dd->unit, ppd->port);
+	} else
+		ret = -EINVAL;
+	if (!ret) {
+		qib_write_kreg(ppd->dd, kr_ibcctrl, ppd->dd->cspec->ibcctrl);
+		qib_write_kreg(ppd->dd, kr_scratch, 0);
+	}
+	return ret;
+}
+
+static void pma_6120_timer(unsigned long data)
+{
+	struct qib_pportdata *ppd = (struct qib_pportdata *)data;
+	struct qib_chip_specific *cs = ppd->dd->cspec;
+	struct qib_ibport *ibp = &ppd->ibport_data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ibp->lock, flags);
+	if (cs->pma_sample_status == IB_PMA_SAMPLE_STATUS_STARTED) {
+		cs->pma_sample_status = IB_PMA_SAMPLE_STATUS_RUNNING;
+		qib_snapshot_counters(ppd, &cs->sword, &cs->rword,
+				      &cs->spkts, &cs->rpkts, &cs->xmit_wait);
+		mod_timer(&cs->pma_timer,
+			  jiffies + usecs_to_jiffies(ibp->pma_sample_interval));
+	} else if (cs->pma_sample_status == IB_PMA_SAMPLE_STATUS_RUNNING) {
+		u64 ta, tb, tc, td, te;
+
+		cs->pma_sample_status = IB_PMA_SAMPLE_STATUS_DONE;
+		qib_snapshot_counters(ppd, &ta, &tb, &tc, &td, &te);
+
+		cs->sword = ta - cs->sword;
+		cs->rword = tb - cs->rword;
+		cs->spkts = tc - cs->spkts;
+		cs->rpkts = td - cs->rpkts;
+		cs->xmit_wait = te - cs->xmit_wait;
+	}
+	spin_unlock_irqrestore(&ibp->lock, flags);
+}
+
+/*
+ * Note that the caller has the ibp->lock held.
+ */
+static void qib_set_cntr_6120_sample(struct qib_pportdata *ppd, u32 intv,
+				     u32 start)
+{
+	struct qib_chip_specific *cs = ppd->dd->cspec;
+
+	if (start && intv) {
+		cs->pma_sample_status = IB_PMA_SAMPLE_STATUS_STARTED;
+		mod_timer(&cs->pma_timer, jiffies + usecs_to_jiffies(start));
+	} else if (intv) {
+		cs->pma_sample_status = IB_PMA_SAMPLE_STATUS_RUNNING;
+		qib_snapshot_counters(ppd, &cs->sword, &cs->rword,
+				      &cs->spkts, &cs->rpkts, &cs->xmit_wait);
+		mod_timer(&cs->pma_timer, jiffies + usecs_to_jiffies(intv));
+	} else {
+		cs->pma_sample_status = IB_PMA_SAMPLE_STATUS_DONE;
+		cs->sword = 0;
+		cs->rword = 0;
+		cs->spkts = 0;
+		cs->rpkts = 0;
+		cs->xmit_wait = 0;
+	}
+}
+
+static u32 qib_6120_iblink_state(u64 ibcs)
+{
+	u32 state = (u32)SYM_FIELD(ibcs, IBCStatus, LinkState);
+
+	switch (state) {
+	case IB_6120_L_STATE_INIT:
+		state = IB_PORT_INIT;
+		break;
+	case IB_6120_L_STATE_ARM:
+		state = IB_PORT_ARMED;
+		break;
+	case IB_6120_L_STATE_ACTIVE:
+		/* fall through */
+	case IB_6120_L_STATE_ACT_DEFER:
+		state = IB_PORT_ACTIVE;
+		break;
+	default: /* fall through */
+	case IB_6120_L_STATE_DOWN:
+		state = IB_PORT_DOWN;
+		break;
+	}
+	return state;
+}
+
+/* returns the IBTA port state, rather than the IBC link training state */
+static u8 qib_6120_phys_portstate(u64 ibcs)
+{
+	u8 state = (u8)SYM_FIELD(ibcs, IBCStatus, LinkTrainingState);
+	return qib_6120_physportstate[state];
+}
+
+static int qib_6120_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	ppd->lflags &= ~QIBL_IB_FORCE_NOTIFY;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+
+	if (ibup) {
+		if (ppd->dd->cspec->ibdeltainprog) {
+			ppd->dd->cspec->ibdeltainprog = 0;
+			ppd->dd->cspec->ibsymdelta +=
+				read_6120_creg32(ppd->dd, cr_ibsymbolerr) -
+					ppd->dd->cspec->ibsymsnap;
+			ppd->dd->cspec->iblnkerrdelta +=
+				read_6120_creg32(ppd->dd, cr_iblinkerrrecov) -
+					ppd->dd->cspec->iblnkerrsnap;
+		}
+		qib_hol_init(ppd);
+	} else {
+		ppd->dd->cspec->lli_counter = 0;
+		if (!ppd->dd->cspec->ibdeltainprog) {
+			ppd->dd->cspec->ibdeltainprog = 1;
+			ppd->dd->cspec->ibsymsnap =
+				read_6120_creg32(ppd->dd, cr_ibsymbolerr);
+			ppd->dd->cspec->iblnkerrsnap =
+				read_6120_creg32(ppd->dd, cr_iblinkerrrecov);
+		}
+		qib_hol_down(ppd);
+	}
+
+	qib_6120_setup_setextled(ppd, ibup);
+
+	return 0;
+}
+
+/* Does read/modify/write to appropriate registers to
+ * set output and direction bits selected by mask.
+ * these are in their canonical postions (e.g. lsb of
+ * dir will end up in D48 of extctrl on existing chips).
+ * returns contents of GP Inputs.
+ */
+static int gpio_6120_mod(struct qib_devdata *dd, u32 out, u32 dir, u32 mask)
+{
+	u64 read_val, new_out;
+	unsigned long flags;
+
+	if (mask) {
+		/* some bits being written, lock access to GPIO */
+		dir &= mask;
+		out &= mask;
+		spin_lock_irqsave(&dd->cspec->gpio_lock, flags);
+		dd->cspec->extctrl &= ~((u64)mask << SYM_LSB(EXTCtrl, GPIOOe));
+		dd->cspec->extctrl |= ((u64) dir << SYM_LSB(EXTCtrl, GPIOOe));
+		new_out = (dd->cspec->gpio_out & ~mask) | out;
+
+		qib_write_kreg(dd, kr_extctrl, dd->cspec->extctrl);
+		qib_write_kreg(dd, kr_gpio_out, new_out);
+		dd->cspec->gpio_out = new_out;
+		spin_unlock_irqrestore(&dd->cspec->gpio_lock, flags);
+	}
+	/*
+	 * It is unlikely that a read at this time would get valid
+	 * data on a pin whose direction line was set in the same
+	 * call to this function. We include the read here because
+	 * that allows us to potentially combine a change on one pin with
+	 * a read on another, and because the old code did something like
+	 * this.
+	 */
+	read_val = qib_read_kreg64(dd, kr_extstatus);
+	return SYM_FIELD(read_val, EXTStatus, GPIOIn);
+}
+
+/*
+ * Read fundamental info we need to use the chip.  These are
+ * the registers that describe chip capabilities, and are
+ * saved in shadow registers.
+ */
+static void get_6120_chip_params(struct qib_devdata *dd)
+{
+	u64 val;
+	u32 piobufs;
+	int mtu;
+
+	dd->uregbase = qib_read_kreg32(dd, kr_userregbase);
+
+	dd->rcvtidcnt = qib_read_kreg32(dd, kr_rcvtidcnt);
+	dd->rcvtidbase = qib_read_kreg32(dd, kr_rcvtidbase);
+	dd->rcvegrbase = qib_read_kreg32(dd, kr_rcvegrbase);
+	dd->palign = qib_read_kreg32(dd, kr_palign);
+	dd->piobufbase = qib_read_kreg64(dd, kr_sendpiobufbase);
+	dd->pio2k_bufbase = dd->piobufbase & 0xffffffff;
+
+	dd->rcvhdrcnt = qib_read_kreg32(dd, kr_rcvegrcnt);
+
+	val = qib_read_kreg64(dd, kr_sendpiosize);
+	dd->piosize2k = val & ~0U;
+	dd->piosize4k = val >> 32;
+
+	mtu = ib_mtu_enum_to_int(qib_ibmtu);
+	if (mtu == -1)
+		mtu = QIB_DEFAULT_MTU;
+	dd->pport->ibmtu = (u32)mtu;
+
+	val = qib_read_kreg64(dd, kr_sendpiobufcnt);
+	dd->piobcnt2k = val & ~0U;
+	dd->piobcnt4k = val >> 32;
+	/* these may be adjusted in init_chip_wc_pat() */
+	dd->pio2kbase = (u32 __iomem *)
+		(((char __iomem *)dd->kregbase) + dd->pio2k_bufbase);
+	if (dd->piobcnt4k) {
+		dd->pio4kbase = (u32 __iomem *)
+			(((char __iomem *) dd->kregbase) +
+			 (dd->piobufbase >> 32));
+		/*
+		 * 4K buffers take 2 pages; we use roundup just to be
+		 * paranoid; we calculate it once here, rather than on
+		 * ever buf allocate
+		 */
+		dd->align4k = ALIGN(dd->piosize4k, dd->palign);
+	}
+
+	piobufs = dd->piobcnt4k + dd->piobcnt2k;
+
+	dd->pioavregs = ALIGN(piobufs, sizeof(u64) * BITS_PER_BYTE / 2) /
+		(sizeof(u64) * BITS_PER_BYTE / 2);
+}
+
+/*
+ * The chip base addresses in cspec and cpspec have to be set
+ * after possible init_chip_wc_pat(), rather than in
+ * get_6120_chip_params(), so split out as separate function
+ */
+static void set_6120_baseaddrs(struct qib_devdata *dd)
+{
+	u32 cregbase;
+	cregbase = qib_read_kreg32(dd, kr_counterregbase);
+	dd->cspec->cregbase = (u64 __iomem *)
+		((char __iomem *) dd->kregbase + cregbase);
+
+	dd->egrtidbase = (u64 __iomem *)
+		((char __iomem *) dd->kregbase + dd->rcvegrbase);
+}
+
+/*
+ * Write the final few registers that depend on some of the
+ * init setup.  Done late in init, just before bringing up
+ * the serdes.
+ */
+static int qib_late_6120_initreg(struct qib_devdata *dd)
+{
+	int ret = 0;
+	u64 val;
+
+	qib_write_kreg(dd, kr_rcvhdrentsize, dd->rcvhdrentsize);
+	qib_write_kreg(dd, kr_rcvhdrsize, dd->rcvhdrsize);
+	qib_write_kreg(dd, kr_rcvhdrcnt, dd->rcvhdrcnt);
+	qib_write_kreg(dd, kr_sendpioavailaddr, dd->pioavailregs_phys);
+	val = qib_read_kreg64(dd, kr_sendpioavailaddr);
+	if (val != dd->pioavailregs_phys) {
+		qib_dev_err(dd, "Catastrophic software error, "
+			    "SendPIOAvailAddr written as %lx, "
+			    "read back as %llx\n",
+			    (unsigned long) dd->pioavailregs_phys,
+			    (unsigned long long) val);
+		ret = -EINVAL;
+	}
+	return ret;
+}
+
+static int init_6120_variables(struct qib_devdata *dd)
+{
+	int ret = 0;
+	struct qib_pportdata *ppd;
+	u32 sbufs;
+
+	ppd = (struct qib_pportdata *)(dd + 1);
+	dd->pport = ppd;
+	dd->num_pports = 1;
+
+	dd->cspec = (struct qib_chip_specific *)(ppd + dd->num_pports);
+	ppd->cpspec = NULL; /* not used in this chip */
+
+	spin_lock_init(&dd->cspec->kernel_tid_lock);
+	spin_lock_init(&dd->cspec->user_tid_lock);
+	spin_lock_init(&dd->cspec->rcvmod_lock);
+	spin_lock_init(&dd->cspec->gpio_lock);
+
+	/* we haven't yet set QIB_PRESENT, so use read directly */
+	dd->revision = readq(&dd->kregbase[kr_revision]);
+
+	if ((dd->revision & 0xffffffffU) == 0xffffffffU) {
+		qib_dev_err(dd, "Revision register read failure, "
+			    "giving up initialization\n");
+		ret = -ENODEV;
+		goto bail;
+	}
+	dd->flags |= QIB_PRESENT;  /* now register routines work */
+
+	dd->majrev = (u8) SYM_FIELD(dd->revision, Revision_R,
+				    ChipRevMajor);
+	dd->minrev = (u8) SYM_FIELD(dd->revision, Revision_R,
+				    ChipRevMinor);
+
+	get_6120_chip_params(dd);
+	pe_boardname(dd); /* fill in boardname */
+
+	/*
+	 * GPIO bits for TWSI data and clock,
+	 * used for serial EEPROM.
+	 */
+	dd->gpio_sda_num = _QIB_GPIO_SDA_NUM;
+	dd->gpio_scl_num = _QIB_GPIO_SCL_NUM;
+	dd->twsi_eeprom_dev = QIB_TWSI_NO_DEV;
+
+	if (qib_unordered_wc())
+		dd->flags |= QIB_PIO_FLUSH_WC;
+
+	/*
+	 * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
+	 * 2 is Some Misc, 3 is reserved for future.
+	 */
+	dd->eep_st_masks[0].hwerrs_to_log = HWE_MASK(TXEMemParityErr);
+
+	/* Ignore errors in PIO/PBC on systems with unordered write-combining */
+	if (qib_unordered_wc())
+		dd->eep_st_masks[0].hwerrs_to_log &= ~TXE_PIO_PARITY;
+
+	dd->eep_st_masks[1].hwerrs_to_log = HWE_MASK(RXEMemParityErr);
+
+	dd->eep_st_masks[2].errs_to_log = ERR_MASK(ResetNegated);
+
+	qib_init_pportdata(ppd, dd, 0, 1);
+	ppd->link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
+	ppd->link_speed_supported = QIB_IB_SDR;
+	ppd->link_width_enabled = IB_WIDTH_4X;
+	ppd->link_speed_enabled = ppd->link_speed_supported;
+	/* these can't change for this chip, so set once */
+	ppd->link_width_active = ppd->link_width_enabled;
+	ppd->link_speed_active = ppd->link_speed_enabled;
+	ppd->vls_supported = IB_VL_VL0;
+	ppd->vls_operational = ppd->vls_supported;
+
+	dd->rcvhdrentsize = QIB_RCVHDR_ENTSIZE;
+	dd->rcvhdrsize = QIB_DFLT_RCVHDRSIZE;
+	dd->rhf_offset = 0;
+
+	/* we always allocate at least 2048 bytes for eager buffers */
+	ret = ib_mtu_enum_to_int(qib_ibmtu);
+	dd->rcvegrbufsize = ret != -1 ? max(ret, 2048) : QIB_DEFAULT_MTU;
+
+	qib_6120_tidtemplate(dd);
+
+	/*
+	 * We can request a receive interrupt for 1 or
+	 * more packets from current offset.  For now, we set this
+	 * up for a single packet.
+	 */
+	dd->rhdrhead_intr_off = 1ULL << 32;
+
+	/* setup the stats timer; the add_timer is done at end of init */
+	init_timer(&dd->stats_timer);
+	dd->stats_timer.function = qib_get_6120_faststats;
+	dd->stats_timer.data = (unsigned long) dd;
+
+	init_timer(&dd->cspec->pma_timer);
+	dd->cspec->pma_timer.function = pma_6120_timer;
+	dd->cspec->pma_timer.data = (unsigned long) ppd;
+
+	dd->ureg_align = qib_read_kreg32(dd, kr_palign);
+
+	dd->piosize2kmax_dwords = dd->piosize2k >> 2;
+	qib_6120_config_ctxts(dd);
+	qib_set_ctxtcnt(dd);
+
+	if (qib_wc_pat) {
+		ret = init_chip_wc_pat(dd, 0);
+		if (ret)
+			goto bail;
+	}
+	set_6120_baseaddrs(dd); /* set chip access pointers now */
+
+	ret = 0;
+	if (qib_mini_init)
+		goto bail;
+
+	qib_num_cfg_vls = 1; /* if any 6120's, only one VL */
+
+	ret = qib_create_ctxts(dd);
+	init_6120_cntrnames(dd);
+
+	/* use all of 4KB buffers for the kernel, otherwise 16 */
+	sbufs = dd->piobcnt4k ?  dd->piobcnt4k : 16;
+
+	dd->lastctxt_piobuf = dd->piobcnt2k + dd->piobcnt4k - sbufs;
+	dd->pbufsctxt = dd->lastctxt_piobuf /
+		(dd->cfgctxts - dd->first_user_ctxt);
+
+	if (ret)
+		goto bail;
+bail:
+	return ret;
+}
+
+/*
+ * For this chip, we want to use the same buffer every time
+ * when we are trying to bring the link up (they are always VL15
+ * packets).  At that link state the packet should always go out immediately
+ * (or at least be discarded at the tx interface if the link is down).
+ * If it doesn't, and the buffer isn't available, that means some other
+ * sender has gotten ahead of us, and is preventing our packet from going
+ * out.  In that case, we flush all packets, and try again.  If that still
+ * fails, we fail the request, and hope things work the next time around.
+ *
+ * We don't need very complicated heuristics on whether the packet had
+ * time to go out or not, since even at SDR 1X, it goes out in very short
+ * time periods, covered by the chip reads done here and as part of the
+ * flush.
+ */
+static u32 __iomem *get_6120_link_buf(struct qib_pportdata *ppd, u32 *bnum)
+{
+	u32 __iomem *buf;
+	u32 lbuf = ppd->dd->piobcnt2k + ppd->dd->piobcnt4k - 1;
+
+	/*
+	 * always blip to get avail list updated, since it's almost
+	 * always needed, and is fairly cheap.
+	 */
+	sendctrl_6120_mod(ppd->dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+	qib_read_kreg64(ppd->dd, kr_scratch); /* extra chip flush */
+	buf = qib_getsendbuf_range(ppd->dd, bnum, lbuf, lbuf);
+	if (buf)
+		goto done;
+
+	sendctrl_6120_mod(ppd, QIB_SENDCTRL_DISARM_ALL | QIB_SENDCTRL_FLUSH |
+			  QIB_SENDCTRL_AVAIL_BLIP);
+	ppd->dd->upd_pio_shadow  = 1; /* update our idea of what's busy */
+	qib_read_kreg64(ppd->dd, kr_scratch); /* extra chip flush */
+	buf = qib_getsendbuf_range(ppd->dd, bnum, lbuf, lbuf);
+done:
+	return buf;
+}
+
+static u32 __iomem *qib_6120_getsendbuf(struct qib_pportdata *ppd, u64 pbc,
+					u32 *pbufnum)
+{
+	u32 first, last, plen = pbc & QIB_PBC_LENGTH_MASK;
+	struct qib_devdata *dd = ppd->dd;
+	u32 __iomem *buf;
+
+	if (((pbc >> 32) & PBC_6120_VL15_SEND_CTRL) &&
+		!(ppd->lflags & (QIBL_IB_AUTONEG_INPROG | QIBL_LINKACTIVE)))
+		buf = get_6120_link_buf(ppd, pbufnum);
+	else {
+
+		if ((plen + 1) > dd->piosize2kmax_dwords)
+			first = dd->piobcnt2k;
+		else
+			first = 0;
+		/* try 4k if all 2k busy, so same last for both sizes */
+		last = dd->piobcnt2k + dd->piobcnt4k - 1;
+		buf = qib_getsendbuf_range(dd, pbufnum, first, last);
+	}
+	return buf;
+}
+
+static int init_sdma_6120_regs(struct qib_pportdata *ppd)
+{
+	return -ENODEV;
+}
+
+static u16 qib_sdma_6120_gethead(struct qib_pportdata *ppd)
+{
+	return 0;
+}
+
+static int qib_sdma_6120_busy(struct qib_pportdata *ppd)
+{
+	return 0;
+}
+
+static void qib_sdma_update_6120_tail(struct qib_pportdata *ppd, u16 tail)
+{
+}
+
+static void qib_6120_sdma_sendctrl(struct qib_pportdata *ppd, unsigned op)
+{
+}
+
+static void qib_sdma_set_6120_desc_cnt(struct qib_pportdata *ppd, unsigned cnt)
+{
+}
+
+/*
+ * the pbc doesn't need a VL15 indicator, but we need it for link_buf.
+ * The chip ignores the bit if set.
+ */
+static u32 qib_6120_setpbc_control(struct qib_pportdata *ppd, u32 plen,
+				   u8 srate, u8 vl)
+{
+	return vl == 15 ? PBC_6120_VL15_SEND_CTRL : 0;
+}
+
+static void qib_6120_initvl15_bufs(struct qib_devdata *dd)
+{
+}
+
+static void qib_6120_init_ctxt(struct qib_ctxtdata *rcd)
+{
+	rcd->rcvegrcnt = rcd->dd->rcvhdrcnt;
+	rcd->rcvegr_tid_base = rcd->ctxt * rcd->rcvegrcnt;
+}
+
+static void qib_6120_txchk_change(struct qib_devdata *dd, u32 start,
+	u32 len, u32 avail, struct qib_ctxtdata *rcd)
+{
+}
+
+static void writescratch(struct qib_devdata *dd, u32 val)
+{
+	(void) qib_write_kreg(dd, kr_scratch, val);
+}
+
+static int qib_6120_tempsense_rd(struct qib_devdata *dd, int regnum)
+{
+	return -ENXIO;
+}
+
+/* Dummy function, as 6120 boards never disable EEPROM Write */
+static int qib_6120_eeprom_wen(struct qib_devdata *dd, int wen)
+{
+	return 1;
+}
+
+/**
+ * qib_init_iba6120_funcs - set up the chip-specific function pointers
+ * @pdev: pci_dev of the qlogic_ib device
+ * @ent: pci_device_id matching this chip
+ *
+ * This is global, and is called directly at init to set up the
+ * chip-specific function pointers for later use.
+ *
+ * It also allocates/partially-inits the qib_devdata struct for
+ * this device.
+ */
+struct qib_devdata *qib_init_iba6120_funcs(struct pci_dev *pdev,
+					   const struct pci_device_id *ent)
+{
+	struct qib_devdata *dd;
+	int ret;
+
+#ifndef CONFIG_PCI_MSI
+	qib_early_err(&pdev->dev, "QLogic PCIE device 0x%x cannot "
+	      "work if CONFIG_PCI_MSI is not enabled\n",
+	      ent->device);
+	dd = ERR_PTR(-ENODEV);
+	goto bail;
+#endif
+
+	dd = qib_alloc_devdata(pdev, sizeof(struct qib_pportdata) +
+			       sizeof(struct qib_chip_specific));
+	if (IS_ERR(dd))
+		goto bail;
+
+	dd->f_bringup_serdes    = qib_6120_bringup_serdes;
+	dd->f_cleanup           = qib_6120_setup_cleanup;
+	dd->f_clear_tids        = qib_6120_clear_tids;
+	dd->f_free_irq          = qib_6120_free_irq;
+	dd->f_get_base_info     = qib_6120_get_base_info;
+	dd->f_get_msgheader     = qib_6120_get_msgheader;
+	dd->f_getsendbuf        = qib_6120_getsendbuf;
+	dd->f_gpio_mod          = gpio_6120_mod;
+	dd->f_eeprom_wen	= qib_6120_eeprom_wen;
+	dd->f_hdrqempty         = qib_6120_hdrqempty;
+	dd->f_ib_updown         = qib_6120_ib_updown;
+	dd->f_init_ctxt         = qib_6120_init_ctxt;
+	dd->f_initvl15_bufs     = qib_6120_initvl15_bufs;
+	dd->f_intr_fallback     = qib_6120_nointr_fallback;
+	dd->f_late_initreg      = qib_late_6120_initreg;
+	dd->f_setpbc_control    = qib_6120_setpbc_control;
+	dd->f_portcntr          = qib_portcntr_6120;
+	dd->f_put_tid           = (dd->minrev >= 2) ?
+				      qib_6120_put_tid_2 :
+				      qib_6120_put_tid;
+	dd->f_quiet_serdes      = qib_6120_quiet_serdes;
+	dd->f_rcvctrl           = rcvctrl_6120_mod;
+	dd->f_read_cntrs        = qib_read_6120cntrs;
+	dd->f_read_portcntrs    = qib_read_6120portcntrs;
+	dd->f_reset             = qib_6120_setup_reset;
+	dd->f_init_sdma_regs    = init_sdma_6120_regs;
+	dd->f_sdma_busy         = qib_sdma_6120_busy;
+	dd->f_sdma_gethead      = qib_sdma_6120_gethead;
+	dd->f_sdma_sendctrl     = qib_6120_sdma_sendctrl;
+	dd->f_sdma_set_desc_cnt = qib_sdma_set_6120_desc_cnt;
+	dd->f_sdma_update_tail  = qib_sdma_update_6120_tail;
+	dd->f_sendctrl          = sendctrl_6120_mod;
+	dd->f_set_armlaunch     = qib_set_6120_armlaunch;
+	dd->f_set_cntr_sample   = qib_set_cntr_6120_sample;
+	dd->f_iblink_state      = qib_6120_iblink_state;
+	dd->f_ibphys_portstate  = qib_6120_phys_portstate;
+	dd->f_get_ib_cfg        = qib_6120_get_ib_cfg;
+	dd->f_set_ib_cfg        = qib_6120_set_ib_cfg;
+	dd->f_set_ib_loopback   = qib_6120_set_loopback;
+	dd->f_set_intr_state    = qib_6120_set_intr_state;
+	dd->f_setextled         = qib_6120_setup_setextled;
+	dd->f_txchk_change      = qib_6120_txchk_change;
+	dd->f_update_usrhead    = qib_update_6120_usrhead;
+	dd->f_wantpiobuf_intr   = qib_wantpiobuf_6120_intr;
+	dd->f_xgxs_reset        = qib_6120_xgxs_reset;
+	dd->f_writescratch      = writescratch;
+	dd->f_tempsense_rd	= qib_6120_tempsense_rd;
+	/*
+	 * Do remaining pcie setup and save pcie values in dd.
+	 * Any error printing is already done by the init code.
+	 * On return, we have the chip mapped and accessible,
+	 * but chip registers are not set up until start of
+	 * init_6120_variables.
+	 */
+	ret = qib_pcie_ddinit(dd, pdev, ent);
+	if (ret < 0)
+		goto bail_free;
+
+	/* initialize chip-specific variables */
+	ret = init_6120_variables(dd);
+	if (ret)
+		goto bail_cleanup;
+
+	if (qib_mini_init)
+		goto bail;
+
+#ifndef CONFIG_PCI_MSI
+	qib_dev_err(dd, "PCI_MSI not configured, NO interrupts\n");
+#endif
+
+	if (qib_pcie_params(dd, 8, NULL, NULL))
+		qib_dev_err(dd, "Failed to setup PCIe or interrupts; "
+			    "continuing anyway\n");
+	dd->cspec->irq = pdev->irq; /* save IRQ */
+
+	/* clear diagctrl register, in case diags were running and crashed */
+	qib_write_kreg(dd, kr_hwdiagctrl, 0);
+
+	if (qib_read_kreg64(dd, kr_hwerrstatus) &
+	    QLOGIC_IB_HWE_SERDESPLLFAILED)
+		qib_write_kreg(dd, kr_hwerrclear,
+			       QLOGIC_IB_HWE_SERDESPLLFAILED);
+
+	/* setup interrupt handler (interrupt type handled above) */
+	qib_setup_6120_interrupt(dd);
+	/* Note that qpn_mask is set by qib_6120_config_ctxts() first */
+	qib_6120_init_hwerrors(dd);
+
+	goto bail;
+
+bail_cleanup:
+	qib_pcie_ddcleanup(dd);
+bail_free:
+	qib_free_devdata(dd);
+	dd = ERR_PTR(ret);
+bail:
+	return dd;
+}
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
new file mode 100644
index 00000000000..6fd8d74e739
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -0,0 +1,4618 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+/*
+ * This file contains all of the code that is specific to the
+ * QLogic_IB 7220 chip (except that specific to the SerDes)
+ */
+
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <rdma/ib_verbs.h>
+
+#include "qib.h"
+#include "qib_7220.h"
+
+static void qib_setup_7220_setextled(struct qib_pportdata *, u32);
+static void qib_7220_handle_hwerrors(struct qib_devdata *, char *, size_t);
+static void sendctrl_7220_mod(struct qib_pportdata *ppd, u32 op);
+static u32 qib_7220_iblink_state(u64);
+static u8 qib_7220_phys_portstate(u64);
+static void qib_sdma_update_7220_tail(struct qib_pportdata *, u16);
+static void qib_set_ib_7220_lstate(struct qib_pportdata *, u16, u16);
+
+/*
+ * This file contains almost all the chip-specific register information and
+ * access functions for the QLogic QLogic_IB 7220 PCI-Express chip, with the
+ * exception of SerDes support, which in in qib_sd7220.c.
+ */
+
+/* Below uses machine-generated qib_chipnum_regs.h file */
+#define KREG_IDX(regname) (QIB_7220_##regname##_OFFS / sizeof(u64))
+
+/* Use defines to tie machine-generated names to lower-case names */
+#define kr_control KREG_IDX(Control)
+#define kr_counterregbase KREG_IDX(CntrRegBase)
+#define kr_errclear KREG_IDX(ErrClear)
+#define kr_errmask KREG_IDX(ErrMask)
+#define kr_errstatus KREG_IDX(ErrStatus)
+#define kr_extctrl KREG_IDX(EXTCtrl)
+#define kr_extstatus KREG_IDX(EXTStatus)
+#define kr_gpio_clear KREG_IDX(GPIOClear)
+#define kr_gpio_mask KREG_IDX(GPIOMask)
+#define kr_gpio_out KREG_IDX(GPIOOut)
+#define kr_gpio_status KREG_IDX(GPIOStatus)
+#define kr_hrtbt_guid KREG_IDX(HRTBT_GUID)
+#define kr_hwdiagctrl KREG_IDX(HwDiagCtrl)
+#define kr_hwerrclear KREG_IDX(HwErrClear)
+#define kr_hwerrmask KREG_IDX(HwErrMask)
+#define kr_hwerrstatus KREG_IDX(HwErrStatus)
+#define kr_ibcctrl KREG_IDX(IBCCtrl)
+#define kr_ibcddrctrl KREG_IDX(IBCDDRCtrl)
+#define kr_ibcddrstatus KREG_IDX(IBCDDRStatus)
+#define kr_ibcstatus KREG_IDX(IBCStatus)
+#define kr_ibserdesctrl KREG_IDX(IBSerDesCtrl)
+#define kr_intclear KREG_IDX(IntClear)
+#define kr_intmask KREG_IDX(IntMask)
+#define kr_intstatus KREG_IDX(IntStatus)
+#define kr_ncmodectrl KREG_IDX(IBNCModeCtrl)
+#define kr_palign KREG_IDX(PageAlign)
+#define kr_partitionkey KREG_IDX(RcvPartitionKey)
+#define kr_portcnt KREG_IDX(PortCnt)
+#define kr_rcvbthqp KREG_IDX(RcvBTHQP)
+#define kr_rcvctrl KREG_IDX(RcvCtrl)
+#define kr_rcvegrbase KREG_IDX(RcvEgrBase)
+#define kr_rcvegrcnt KREG_IDX(RcvEgrCnt)
+#define kr_rcvhdrcnt KREG_IDX(RcvHdrCnt)
+#define kr_rcvhdrentsize KREG_IDX(RcvHdrEntSize)
+#define kr_rcvhdrsize KREG_IDX(RcvHdrSize)
+#define kr_rcvpktledcnt KREG_IDX(RcvPktLEDCnt)
+#define kr_rcvtidbase KREG_IDX(RcvTIDBase)
+#define kr_rcvtidcnt KREG_IDX(RcvTIDCnt)
+#define kr_revision KREG_IDX(Revision)
+#define kr_scratch KREG_IDX(Scratch)
+#define kr_sendbuffererror KREG_IDX(SendBufErr0)
+#define kr_sendctrl KREG_IDX(SendCtrl)
+#define kr_senddmabase KREG_IDX(SendDmaBase)
+#define kr_senddmabufmask0 KREG_IDX(SendDmaBufMask0)
+#define kr_senddmabufmask1 (KREG_IDX(SendDmaBufMask0) + 1)
+#define kr_senddmabufmask2 (KREG_IDX(SendDmaBufMask0) + 2)
+#define kr_senddmahead KREG_IDX(SendDmaHead)
+#define kr_senddmaheadaddr KREG_IDX(SendDmaHeadAddr)
+#define kr_senddmalengen KREG_IDX(SendDmaLenGen)
+#define kr_senddmastatus KREG_IDX(SendDmaStatus)
+#define kr_senddmatail KREG_IDX(SendDmaTail)
+#define kr_sendpioavailaddr KREG_IDX(SendBufAvailAddr)
+#define kr_sendpiobufbase KREG_IDX(SendBufBase)
+#define kr_sendpiobufcnt KREG_IDX(SendBufCnt)
+#define kr_sendpiosize KREG_IDX(SendBufSize)
+#define kr_sendregbase KREG_IDX(SendRegBase)
+#define kr_userregbase KREG_IDX(UserRegBase)
+#define kr_xgxs_cfg KREG_IDX(XGXSCfg)
+
+/* These must only be written via qib_write_kreg_ctxt() */
+#define kr_rcvhdraddr KREG_IDX(RcvHdrAddr0)
+#define kr_rcvhdrtailaddr KREG_IDX(RcvHdrTailAddr0)
+
+
+#define CREG_IDX(regname) ((QIB_7220_##regname##_OFFS - \
+			QIB_7220_LBIntCnt_OFFS) / sizeof(u64))
+
+#define cr_badformat CREG_IDX(RxVersionErrCnt)
+#define cr_erricrc CREG_IDX(RxICRCErrCnt)
+#define cr_errlink CREG_IDX(RxLinkMalformCnt)
+#define cr_errlpcrc CREG_IDX(RxLPCRCErrCnt)
+#define cr_errpkey CREG_IDX(RxPKeyMismatchCnt)
+#define cr_rcvflowctrl_err CREG_IDX(RxFlowCtrlViolCnt)
+#define cr_err_rlen CREG_IDX(RxLenErrCnt)
+#define cr_errslen CREG_IDX(TxLenErrCnt)
+#define cr_errtidfull CREG_IDX(RxTIDFullErrCnt)
+#define cr_errtidvalid CREG_IDX(RxTIDValidErrCnt)
+#define cr_errvcrc CREG_IDX(RxVCRCErrCnt)
+#define cr_ibstatuschange CREG_IDX(IBStatusChangeCnt)
+#define cr_lbint CREG_IDX(LBIntCnt)
+#define cr_invalidrlen CREG_IDX(RxMaxMinLenErrCnt)
+#define cr_invalidslen CREG_IDX(TxMaxMinLenErrCnt)
+#define cr_lbflowstall CREG_IDX(LBFlowStallCnt)
+#define cr_pktrcv CREG_IDX(RxDataPktCnt)
+#define cr_pktrcvflowctrl CREG_IDX(RxFlowPktCnt)
+#define cr_pktsend CREG_IDX(TxDataPktCnt)
+#define cr_pktsendflow CREG_IDX(TxFlowPktCnt)
+#define cr_portovfl CREG_IDX(RxP0HdrEgrOvflCnt)
+#define cr_rcvebp CREG_IDX(RxEBPCnt)
+#define cr_rcvovfl CREG_IDX(RxBufOvflCnt)
+#define cr_senddropped CREG_IDX(TxDroppedPktCnt)
+#define cr_sendstall CREG_IDX(TxFlowStallCnt)
+#define cr_sendunderrun CREG_IDX(TxUnderrunCnt)
+#define cr_wordrcv CREG_IDX(RxDwordCnt)
+#define cr_wordsend CREG_IDX(TxDwordCnt)
+#define cr_txunsupvl CREG_IDX(TxUnsupVLErrCnt)
+#define cr_rxdroppkt CREG_IDX(RxDroppedPktCnt)
+#define cr_iblinkerrrecov CREG_IDX(IBLinkErrRecoveryCnt)
+#define cr_iblinkdown CREG_IDX(IBLinkDownedCnt)
+#define cr_ibsymbolerr CREG_IDX(IBSymbolErrCnt)
+#define cr_vl15droppedpkt CREG_IDX(RxVL15DroppedPktCnt)
+#define cr_rxotherlocalphyerr CREG_IDX(RxOtherLocalPhyErrCnt)
+#define cr_excessbufferovfl CREG_IDX(ExcessBufferOvflCnt)
+#define cr_locallinkintegrityerr CREG_IDX(LocalLinkIntegrityErrCnt)
+#define cr_rxvlerr CREG_IDX(RxVlErrCnt)
+#define cr_rxdlidfltr CREG_IDX(RxDlidFltrCnt)
+#define cr_psstat CREG_IDX(PSStat)
+#define cr_psstart CREG_IDX(PSStart)
+#define cr_psinterval CREG_IDX(PSInterval)
+#define cr_psrcvdatacount CREG_IDX(PSRcvDataCount)
+#define cr_psrcvpktscount CREG_IDX(PSRcvPktsCount)
+#define cr_psxmitdatacount CREG_IDX(PSXmitDataCount)
+#define cr_psxmitpktscount CREG_IDX(PSXmitPktsCount)
+#define cr_psxmitwaitcount CREG_IDX(PSXmitWaitCount)
+#define cr_txsdmadesc CREG_IDX(TxSDmaDescCnt)
+#define cr_pcieretrydiag CREG_IDX(PcieRetryBufDiagQwordCnt)
+
+#define SYM_RMASK(regname, fldname) ((u64)              \
+	QIB_7220_##regname##_##fldname##_RMASK)
+#define SYM_MASK(regname, fldname) ((u64)               \
+	QIB_7220_##regname##_##fldname##_RMASK <<       \
+	 QIB_7220_##regname##_##fldname##_LSB)
+#define SYM_LSB(regname, fldname) (QIB_7220_##regname##_##fldname##_LSB)
+#define SYM_FIELD(value, regname, fldname) ((u64) \
+	(((value) >> SYM_LSB(regname, fldname)) & \
+	 SYM_RMASK(regname, fldname)))
+#define ERR_MASK(fldname) SYM_MASK(ErrMask, fldname##Mask)
+#define HWE_MASK(fldname) SYM_MASK(HwErrMask, fldname##Mask)
+
+/* ibcctrl bits */
+#define QLOGIC_IB_IBCC_LINKINITCMD_DISABLE 1
+/* cycle through TS1/TS2 till OK */
+#define QLOGIC_IB_IBCC_LINKINITCMD_POLL 2
+/* wait for TS1, then go on */
+#define QLOGIC_IB_IBCC_LINKINITCMD_SLEEP 3
+#define QLOGIC_IB_IBCC_LINKINITCMD_SHIFT 16
+
+#define QLOGIC_IB_IBCC_LINKCMD_DOWN 1           /* move to 0x11 */
+#define QLOGIC_IB_IBCC_LINKCMD_ARMED 2          /* move to 0x21 */
+#define QLOGIC_IB_IBCC_LINKCMD_ACTIVE 3 /* move to 0x31 */
+
+#define BLOB_7220_IBCHG 0x81
+
+/*
+ * We could have a single register get/put routine, that takes a group type,
+ * but this is somewhat clearer and cleaner.  It also gives us some error
+ * checking.  64 bit register reads should always work, but are inefficient
+ * on opteron (the northbridge always generates 2 separate HT 32 bit reads),
+ * so we use kreg32 wherever possible.  User register and counter register
+ * reads are always 32 bit reads, so only one form of those routines.
+ */
+
+/**
+ * qib_read_ureg32 - read 32-bit virtualized per-context register
+ * @dd: device
+ * @regno: register number
+ * @ctxt: context number
+ *
+ * Return the contents of a register that is virtualized to be per context.
+ * Returns -1 on errors (not distinguishable from valid contents at
+ * runtime; we may add a separate error variable at some point).
+ */
+static inline u32 qib_read_ureg32(const struct qib_devdata *dd,
+				  enum qib_ureg regno, int ctxt)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+
+	if (dd->userbase)
+		return readl(regno + (u64 __iomem *)
+			     ((char __iomem *)dd->userbase +
+			      dd->ureg_align * ctxt));
+	else
+		return readl(regno + (u64 __iomem *)
+			     (dd->uregbase +
+			      (char __iomem *)dd->kregbase +
+			      dd->ureg_align * ctxt));
+}
+
+/**
+ * qib_write_ureg - write 32-bit virtualized per-context register
+ * @dd: device
+ * @regno: register number
+ * @value: value
+ * @ctxt: context
+ *
+ * Write the contents of a register that is virtualized to be per context.
+ */
+static inline void qib_write_ureg(const struct qib_devdata *dd,
+				  enum qib_ureg regno, u64 value, int ctxt)
+{
+	u64 __iomem *ubase;
+
+	if (dd->userbase)
+		ubase = (u64 __iomem *)
+			((char __iomem *) dd->userbase +
+			 dd->ureg_align * ctxt);
+	else
+		ubase = (u64 __iomem *)
+			(dd->uregbase +
+			 (char __iomem *) dd->kregbase +
+			 dd->ureg_align * ctxt);
+
+	if (dd->kregbase && (dd->flags & QIB_PRESENT))
+		writeq(value, &ubase[regno]);
+}
+
+/**
+ * qib_write_kreg_ctxt - write a device's per-ctxt 64-bit kernel register
+ * @dd: the qlogic_ib device
+ * @regno: the register number to write
+ * @ctxt: the context containing the register
+ * @value: the value to write
+ */
+static inline void qib_write_kreg_ctxt(const struct qib_devdata *dd,
+				       const u16 regno, unsigned ctxt,
+				       u64 value)
+{
+	qib_write_kreg(dd, regno + ctxt, value);
+}
+
+static inline void write_7220_creg(const struct qib_devdata *dd,
+				   u16 regno, u64 value)
+{
+	if (dd->cspec->cregbase && (dd->flags & QIB_PRESENT))
+		writeq(value, &dd->cspec->cregbase[regno]);
+}
+
+static inline u64 read_7220_creg(const struct qib_devdata *dd, u16 regno)
+{
+	if (!dd->cspec->cregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+	return readq(&dd->cspec->cregbase[regno]);
+}
+
+static inline u32 read_7220_creg32(const struct qib_devdata *dd, u16 regno)
+{
+	if (!dd->cspec->cregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+	return readl(&dd->cspec->cregbase[regno]);
+}
+
+/* kr_revision bits */
+#define QLOGIC_IB_R_EMULATORREV_MASK ((1ULL << 22) - 1)
+#define QLOGIC_IB_R_EMULATORREV_SHIFT 40
+
+/* kr_control bits */
+#define QLOGIC_IB_C_RESET (1U << 7)
+
+/* kr_intstatus, kr_intclear, kr_intmask bits */
+#define QLOGIC_IB_I_RCVURG_MASK ((1ULL << 17) - 1)
+#define QLOGIC_IB_I_RCVURG_SHIFT 32
+#define QLOGIC_IB_I_RCVAVAIL_MASK ((1ULL << 17) - 1)
+#define QLOGIC_IB_I_RCVAVAIL_SHIFT 0
+#define QLOGIC_IB_I_SERDESTRIMDONE (1ULL << 27)
+
+#define QLOGIC_IB_C_FREEZEMODE 0x00000002
+#define QLOGIC_IB_C_LINKENABLE 0x00000004
+
+#define QLOGIC_IB_I_SDMAINT             0x8000000000000000ULL
+#define QLOGIC_IB_I_SDMADISABLED        0x4000000000000000ULL
+#define QLOGIC_IB_I_ERROR               0x0000000080000000ULL
+#define QLOGIC_IB_I_SPIOSENT            0x0000000040000000ULL
+#define QLOGIC_IB_I_SPIOBUFAVAIL        0x0000000020000000ULL
+#define QLOGIC_IB_I_GPIO                0x0000000010000000ULL
+
+/* variables for sanity checking interrupt and errors */
+#define QLOGIC_IB_I_BITSEXTANT \
+		(QLOGIC_IB_I_SDMAINT | QLOGIC_IB_I_SDMADISABLED | \
+		(QLOGIC_IB_I_RCVURG_MASK << QLOGIC_IB_I_RCVURG_SHIFT) | \
+		(QLOGIC_IB_I_RCVAVAIL_MASK << \
+		 QLOGIC_IB_I_RCVAVAIL_SHIFT) | \
+		QLOGIC_IB_I_ERROR | QLOGIC_IB_I_SPIOSENT | \
+		QLOGIC_IB_I_SPIOBUFAVAIL | QLOGIC_IB_I_GPIO | \
+		QLOGIC_IB_I_SERDESTRIMDONE)
+
+#define IB_HWE_BITSEXTANT \
+	       (HWE_MASK(RXEMemParityErr) | \
+		HWE_MASK(TXEMemParityErr) | \
+		(QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK <<	 \
+		 QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT) | \
+		QLOGIC_IB_HWE_PCIE1PLLFAILED | \
+		QLOGIC_IB_HWE_PCIE0PLLFAILED | \
+		QLOGIC_IB_HWE_PCIEPOISONEDTLP | \
+		QLOGIC_IB_HWE_PCIECPLTIMEOUT | \
+		QLOGIC_IB_HWE_PCIEBUSPARITYXTLH | \
+		QLOGIC_IB_HWE_PCIEBUSPARITYXADM | \
+		QLOGIC_IB_HWE_PCIEBUSPARITYRADM | \
+		HWE_MASK(PowerOnBISTFailed) |	  \
+		QLOGIC_IB_HWE_COREPLL_FBSLIP | \
+		QLOGIC_IB_HWE_COREPLL_RFSLIP | \
+		QLOGIC_IB_HWE_SERDESPLLFAILED | \
+		HWE_MASK(IBCBusToSPCParityErr) | \
+		HWE_MASK(IBCBusFromSPCParityErr) | \
+		QLOGIC_IB_HWE_PCIECPLDATAQUEUEERR | \
+		QLOGIC_IB_HWE_PCIECPLHDRQUEUEERR | \
+		QLOGIC_IB_HWE_SDMAMEMREADERR | \
+		QLOGIC_IB_HWE_CLK_UC_PLLNOTLOCKED | \
+		QLOGIC_IB_HWE_PCIESERDESQ0PCLKNOTDETECT | \
+		QLOGIC_IB_HWE_PCIESERDESQ1PCLKNOTDETECT | \
+		QLOGIC_IB_HWE_PCIESERDESQ2PCLKNOTDETECT | \
+		QLOGIC_IB_HWE_PCIESERDESQ3PCLKNOTDETECT | \
+		QLOGIC_IB_HWE_DDSRXEQMEMORYPARITYERR | \
+		QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR | \
+		QLOGIC_IB_HWE_PCIE_UC_OCT0MEMORYPARITYERR | \
+		QLOGIC_IB_HWE_PCIE_UC_OCT1MEMORYPARITYERR)
+
+#define IB_E_BITSEXTANT							\
+	(ERR_MASK(RcvFormatErr) | ERR_MASK(RcvVCRCErr) |		\
+	 ERR_MASK(RcvICRCErr) | ERR_MASK(RcvMinPktLenErr) |		\
+	 ERR_MASK(RcvMaxPktLenErr) | ERR_MASK(RcvLongPktLenErr) |	\
+	 ERR_MASK(RcvShortPktLenErr) | ERR_MASK(RcvUnexpectedCharErr) | \
+	 ERR_MASK(RcvUnsupportedVLErr) | ERR_MASK(RcvEBPErr) |		\
+	 ERR_MASK(RcvIBFlowErr) | ERR_MASK(RcvBadVersionErr) |		\
+	 ERR_MASK(RcvEgrFullErr) | ERR_MASK(RcvHdrFullErr) |		\
+	 ERR_MASK(RcvBadTidErr) | ERR_MASK(RcvHdrLenErr) |		\
+	 ERR_MASK(RcvHdrErr) | ERR_MASK(RcvIBLostLinkErr) |		\
+	 ERR_MASK(SendSpecialTriggerErr) |				\
+	 ERR_MASK(SDmaDisabledErr) | ERR_MASK(SendMinPktLenErr) |	\
+	 ERR_MASK(SendMaxPktLenErr) | ERR_MASK(SendUnderRunErr) |	\
+	 ERR_MASK(SendPktLenErr) | ERR_MASK(SendDroppedSmpPktErr) |	\
+	 ERR_MASK(SendDroppedDataPktErr) |				\
+	 ERR_MASK(SendPioArmLaunchErr) |				\
+	 ERR_MASK(SendUnexpectedPktNumErr) |				\
+	 ERR_MASK(SendUnsupportedVLErr) | ERR_MASK(SendBufMisuseErr) |	\
+	 ERR_MASK(SDmaGenMismatchErr) | ERR_MASK(SDmaOutOfBoundErr) |	\
+	 ERR_MASK(SDmaTailOutOfBoundErr) | ERR_MASK(SDmaBaseErr) |	\
+	 ERR_MASK(SDma1stDescErr) | ERR_MASK(SDmaRpyTagErr) |		\
+	 ERR_MASK(SDmaDwEnErr) | ERR_MASK(SDmaMissingDwErr) |		\
+	 ERR_MASK(SDmaUnexpDataErr) |					\
+	 ERR_MASK(IBStatusChanged) | ERR_MASK(InvalidAddrErr) |		\
+	 ERR_MASK(ResetNegated) | ERR_MASK(HardwareErr) |		\
+	 ERR_MASK(SDmaDescAddrMisalignErr) |				\
+	 ERR_MASK(InvalidEEPCmd))
+
+/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
+#define QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK  0x00000000000000ffULL
+#define QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT 0
+#define QLOGIC_IB_HWE_PCIEPOISONEDTLP      0x0000000010000000ULL
+#define QLOGIC_IB_HWE_PCIECPLTIMEOUT       0x0000000020000000ULL
+#define QLOGIC_IB_HWE_PCIEBUSPARITYXTLH    0x0000000040000000ULL
+#define QLOGIC_IB_HWE_PCIEBUSPARITYXADM    0x0000000080000000ULL
+#define QLOGIC_IB_HWE_PCIEBUSPARITYRADM    0x0000000100000000ULL
+#define QLOGIC_IB_HWE_COREPLL_FBSLIP       0x0080000000000000ULL
+#define QLOGIC_IB_HWE_COREPLL_RFSLIP       0x0100000000000000ULL
+#define QLOGIC_IB_HWE_PCIE1PLLFAILED       0x0400000000000000ULL
+#define QLOGIC_IB_HWE_PCIE0PLLFAILED       0x0800000000000000ULL
+#define QLOGIC_IB_HWE_SERDESPLLFAILED      0x1000000000000000ULL
+/* specific to this chip */
+#define QLOGIC_IB_HWE_PCIECPLDATAQUEUEERR         0x0000000000000040ULL
+#define QLOGIC_IB_HWE_PCIECPLHDRQUEUEERR          0x0000000000000080ULL
+#define QLOGIC_IB_HWE_SDMAMEMREADERR              0x0000000010000000ULL
+#define QLOGIC_IB_HWE_CLK_UC_PLLNOTLOCKED          0x2000000000000000ULL
+#define QLOGIC_IB_HWE_PCIESERDESQ0PCLKNOTDETECT   0x0100000000000000ULL
+#define QLOGIC_IB_HWE_PCIESERDESQ1PCLKNOTDETECT   0x0200000000000000ULL
+#define QLOGIC_IB_HWE_PCIESERDESQ2PCLKNOTDETECT   0x0400000000000000ULL
+#define QLOGIC_IB_HWE_PCIESERDESQ3PCLKNOTDETECT   0x0800000000000000ULL
+#define QLOGIC_IB_HWE_DDSRXEQMEMORYPARITYERR       0x0000008000000000ULL
+#define QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR        0x0000004000000000ULL
+#define QLOGIC_IB_HWE_PCIE_UC_OCT0MEMORYPARITYERR 0x0000001000000000ULL
+#define QLOGIC_IB_HWE_PCIE_UC_OCT1MEMORYPARITYERR 0x0000002000000000ULL
+
+#define IBA7220_IBCC_LINKCMD_SHIFT 19
+
+/* kr_ibcddrctrl bits */
+#define IBA7220_IBC_DLIDLMC_MASK        0xFFFFFFFFUL
+#define IBA7220_IBC_DLIDLMC_SHIFT       32
+
+#define IBA7220_IBC_HRTBT_MASK  (SYM_RMASK(IBCDDRCtrl, HRTBT_AUTO) | \
+				 SYM_RMASK(IBCDDRCtrl, HRTBT_ENB))
+#define IBA7220_IBC_HRTBT_SHIFT SYM_LSB(IBCDDRCtrl, HRTBT_ENB)
+
+#define IBA7220_IBC_LANE_REV_SUPPORTED (1<<8)
+#define IBA7220_IBC_LREV_MASK   1
+#define IBA7220_IBC_LREV_SHIFT  8
+#define IBA7220_IBC_RXPOL_MASK  1
+#define IBA7220_IBC_RXPOL_SHIFT 7
+#define IBA7220_IBC_WIDTH_SHIFT 5
+#define IBA7220_IBC_WIDTH_MASK  0x3
+#define IBA7220_IBC_WIDTH_1X_ONLY       (0 << IBA7220_IBC_WIDTH_SHIFT)
+#define IBA7220_IBC_WIDTH_4X_ONLY       (1 << IBA7220_IBC_WIDTH_SHIFT)
+#define IBA7220_IBC_WIDTH_AUTONEG       (2 << IBA7220_IBC_WIDTH_SHIFT)
+#define IBA7220_IBC_SPEED_AUTONEG       (1 << 1)
+#define IBA7220_IBC_SPEED_SDR           (1 << 2)
+#define IBA7220_IBC_SPEED_DDR           (1 << 3)
+#define IBA7220_IBC_SPEED_AUTONEG_MASK  (0x7 << 1)
+#define IBA7220_IBC_IBTA_1_2_MASK       (1)
+
+/* kr_ibcddrstatus */
+/* link latency shift is 0, don't bother defining */
+#define IBA7220_DDRSTAT_LINKLAT_MASK    0x3ffffff
+
+/* kr_extstatus bits */
+#define QLOGIC_IB_EXTS_FREQSEL 0x2
+#define QLOGIC_IB_EXTS_SERDESSEL 0x4
+#define QLOGIC_IB_EXTS_MEMBIST_ENDTEST     0x0000000000004000
+#define QLOGIC_IB_EXTS_MEMBIST_DISABLED    0x0000000000008000
+
+/* kr_xgxsconfig bits */
+#define QLOGIC_IB_XGXS_RESET          0x5ULL
+#define QLOGIC_IB_XGXS_FC_SAFE        (1ULL << 63)
+
+/* kr_rcvpktledcnt */
+#define IBA7220_LEDBLINK_ON_SHIFT 32 /* 4ns period on after packet */
+#define IBA7220_LEDBLINK_OFF_SHIFT 0 /* 4ns period off before next on */
+
+#define _QIB_GPIO_SDA_NUM 1
+#define _QIB_GPIO_SCL_NUM 0
+#define QIB_TWSI_EEPROM_DEV 0xA2 /* All Production 7220 cards. */
+#define QIB_TWSI_TEMP_DEV 0x98
+
+/* HW counter clock is at 4nsec */
+#define QIB_7220_PSXMITWAIT_CHECK_RATE 4000
+
+#define IBA7220_R_INTRAVAIL_SHIFT 17
+#define IBA7220_R_PKEY_DIS_SHIFT 34
+#define IBA7220_R_TAILUPD_SHIFT 35
+#define IBA7220_R_CTXTCFG_SHIFT 36
+
+#define IBA7220_HDRHEAD_PKTINT_SHIFT 32 /* interrupt cnt in upper 32 bits */
+
+/*
+ * the size bits give us 2^N, in KB units.  0 marks as invalid,
+ * and 7 is reserved.  We currently use only 2KB and 4KB
+ */
+#define IBA7220_TID_SZ_SHIFT 37 /* shift to 3bit size selector */
+#define IBA7220_TID_SZ_2K (1UL << IBA7220_TID_SZ_SHIFT) /* 2KB */
+#define IBA7220_TID_SZ_4K (2UL << IBA7220_TID_SZ_SHIFT) /* 4KB */
+#define IBA7220_TID_PA_SHIFT 11U /* TID addr in chip stored w/o low bits */
+#define PBC_7220_VL15_SEND (1ULL << 63) /* pbc; VL15, no credit check */
+#define PBC_7220_VL15_SEND_CTRL (1ULL << 31) /* control version of same */
+
+#define AUTONEG_TRIES 5 /* sequential retries to negotiate DDR */
+
+/* packet rate matching delay multiplier */
+static u8 rate_to_delay[2][2] = {
+	/* 1x, 4x */
+	{   8, 2 }, /* SDR */
+	{   4, 1 }  /* DDR */
+};
+
+static u8 ib_rate_to_delay[IB_RATE_120_GBPS + 1] = {
+	[IB_RATE_2_5_GBPS] = 8,
+	[IB_RATE_5_GBPS] = 4,
+	[IB_RATE_10_GBPS] = 2,
+	[IB_RATE_20_GBPS] = 1
+};
+
+#define IBA7220_LINKSPEED_SHIFT SYM_LSB(IBCStatus, LinkSpeedActive)
+#define IBA7220_LINKWIDTH_SHIFT SYM_LSB(IBCStatus, LinkWidthActive)
+
+/* link training states, from IBC */
+#define IB_7220_LT_STATE_DISABLED        0x00
+#define IB_7220_LT_STATE_LINKUP          0x01
+#define IB_7220_LT_STATE_POLLACTIVE      0x02
+#define IB_7220_LT_STATE_POLLQUIET       0x03
+#define IB_7220_LT_STATE_SLEEPDELAY      0x04
+#define IB_7220_LT_STATE_SLEEPQUIET      0x05
+#define IB_7220_LT_STATE_CFGDEBOUNCE     0x08
+#define IB_7220_LT_STATE_CFGRCVFCFG      0x09
+#define IB_7220_LT_STATE_CFGWAITRMT      0x0a
+#define IB_7220_LT_STATE_CFGIDLE 0x0b
+#define IB_7220_LT_STATE_RECOVERRETRAIN  0x0c
+#define IB_7220_LT_STATE_RECOVERWAITRMT  0x0e
+#define IB_7220_LT_STATE_RECOVERIDLE     0x0f
+
+/* link state machine states from IBC */
+#define IB_7220_L_STATE_DOWN             0x0
+#define IB_7220_L_STATE_INIT             0x1
+#define IB_7220_L_STATE_ARM              0x2
+#define IB_7220_L_STATE_ACTIVE           0x3
+#define IB_7220_L_STATE_ACT_DEFER        0x4
+
+static const u8 qib_7220_physportstate[0x20] = {
+	[IB_7220_LT_STATE_DISABLED] = IB_PHYSPORTSTATE_DISABLED,
+	[IB_7220_LT_STATE_LINKUP] = IB_PHYSPORTSTATE_LINKUP,
+	[IB_7220_LT_STATE_POLLACTIVE] = IB_PHYSPORTSTATE_POLL,
+	[IB_7220_LT_STATE_POLLQUIET] = IB_PHYSPORTSTATE_POLL,
+	[IB_7220_LT_STATE_SLEEPDELAY] = IB_PHYSPORTSTATE_SLEEP,
+	[IB_7220_LT_STATE_SLEEPQUIET] = IB_PHYSPORTSTATE_SLEEP,
+	[IB_7220_LT_STATE_CFGDEBOUNCE] =
+		IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_7220_LT_STATE_CFGRCVFCFG] =
+		IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_7220_LT_STATE_CFGWAITRMT] =
+		IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_7220_LT_STATE_CFGIDLE] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_7220_LT_STATE_RECOVERRETRAIN] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[IB_7220_LT_STATE_RECOVERWAITRMT] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[IB_7220_LT_STATE_RECOVERIDLE] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[0x10] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x11] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x12] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x13] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x14] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x15] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x16] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x17] = IB_PHYSPORTSTATE_CFG_TRAIN
+};
+
+int qib_special_trigger;
+module_param_named(special_trigger, qib_special_trigger, int, S_IRUGO);
+MODULE_PARM_DESC(special_trigger, "Enable SpecialTrigger arm/launch");
+
+#define IBCBUSFRSPCPARITYERR HWE_MASK(IBCBusFromSPCParityErr)
+#define IBCBUSTOSPCPARITYERR HWE_MASK(IBCBusToSPCParityErr)
+
+#define SYM_MASK_BIT(regname, fldname, bit) ((u64) \
+	(1ULL << (SYM_LSB(regname, fldname) + (bit))))
+
+#define TXEMEMPARITYERR_PIOBUF \
+	SYM_MASK_BIT(HwErrMask, TXEMemParityErrMask, 0)
+#define TXEMEMPARITYERR_PIOPBC \
+	SYM_MASK_BIT(HwErrMask, TXEMemParityErrMask, 1)
+#define TXEMEMPARITYERR_PIOLAUNCHFIFO \
+	SYM_MASK_BIT(HwErrMask, TXEMemParityErrMask, 2)
+
+#define RXEMEMPARITYERR_RCVBUF \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 0)
+#define RXEMEMPARITYERR_LOOKUPQ \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 1)
+#define RXEMEMPARITYERR_EXPTID \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 2)
+#define RXEMEMPARITYERR_EAGERTID \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 3)
+#define RXEMEMPARITYERR_FLAGBUF \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 4)
+#define RXEMEMPARITYERR_DATAINFO \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 5)
+#define RXEMEMPARITYERR_HDRINFO \
+	SYM_MASK_BIT(HwErrMask, RXEMemParityErrMask, 6)
+
+/* 7220 specific hardware errors... */
+static const struct qib_hwerror_msgs qib_7220_hwerror_msgs[] = {
+	/* generic hardware errors */
+	QLOGIC_IB_HWE_MSG(IBCBUSFRSPCPARITYERR, "QIB2IB Parity"),
+	QLOGIC_IB_HWE_MSG(IBCBUSTOSPCPARITYERR, "IB2QIB Parity"),
+
+	QLOGIC_IB_HWE_MSG(TXEMEMPARITYERR_PIOBUF,
+			  "TXE PIOBUF Memory Parity"),
+	QLOGIC_IB_HWE_MSG(TXEMEMPARITYERR_PIOPBC,
+			  "TXE PIOPBC Memory Parity"),
+	QLOGIC_IB_HWE_MSG(TXEMEMPARITYERR_PIOLAUNCHFIFO,
+			  "TXE PIOLAUNCHFIFO Memory Parity"),
+
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_RCVBUF,
+			  "RXE RCVBUF Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_LOOKUPQ,
+			  "RXE LOOKUPQ Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_EAGERTID,
+			  "RXE EAGERTID Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_EXPTID,
+			  "RXE EXPTID Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_FLAGBUF,
+			  "RXE FLAGBUF Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_DATAINFO,
+			  "RXE DATAINFO Memory Parity"),
+	QLOGIC_IB_HWE_MSG(RXEMEMPARITYERR_HDRINFO,
+			  "RXE HDRINFO Memory Parity"),
+
+	/* chip-specific hardware errors */
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIEPOISONEDTLP,
+			  "PCIe Poisoned TLP"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIECPLTIMEOUT,
+			  "PCIe completion timeout"),
+	/*
+	 * In practice, it's unlikely wthat we'll see PCIe PLL, or bus
+	 * parity or memory parity error failures, because most likely we
+	 * won't be able to talk to the core of the chip.  Nonetheless, we
+	 * might see them, if they are in parts of the PCIe core that aren't
+	 * essential.
+	 */
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIE1PLLFAILED,
+			  "PCIePLL1"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIE0PLLFAILED,
+			  "PCIePLL0"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIEBUSPARITYXTLH,
+			  "PCIe XTLH core parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIEBUSPARITYXADM,
+			  "PCIe ADM TX core parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIEBUSPARITYRADM,
+			  "PCIe ADM RX core parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_SERDESPLLFAILED,
+			  "SerDes PLL"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIECPLDATAQUEUEERR,
+			  "PCIe cpl header queue"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIECPLHDRQUEUEERR,
+			  "PCIe cpl data queue"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_SDMAMEMREADERR,
+			  "Send DMA memory read"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_CLK_UC_PLLNOTLOCKED,
+			  "uC PLL clock not locked"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIESERDESQ0PCLKNOTDETECT,
+			  "PCIe serdes Q0 no clock"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIESERDESQ1PCLKNOTDETECT,
+			  "PCIe serdes Q1 no clock"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIESERDESQ2PCLKNOTDETECT,
+			  "PCIe serdes Q2 no clock"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIESERDESQ3PCLKNOTDETECT,
+			  "PCIe serdes Q3 no clock"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_DDSRXEQMEMORYPARITYERR,
+			  "DDS RXEQ memory parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR,
+			  "IB uC memory parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIE_UC_OCT0MEMORYPARITYERR,
+			  "PCIe uC oct0 memory parity"),
+	QLOGIC_IB_HWE_MSG(QLOGIC_IB_HWE_PCIE_UC_OCT1MEMORYPARITYERR,
+			  "PCIe uC oct1 memory parity"),
+};
+
+#define RXE_PARITY (RXEMEMPARITYERR_EAGERTID|RXEMEMPARITYERR_EXPTID)
+
+#define QLOGIC_IB_E_PKTERRS (\
+		ERR_MASK(SendPktLenErr) |				\
+		ERR_MASK(SendDroppedDataPktErr) |			\
+		ERR_MASK(RcvVCRCErr) |					\
+		ERR_MASK(RcvICRCErr) |					\
+		ERR_MASK(RcvShortPktLenErr) |				\
+		ERR_MASK(RcvEBPErr))
+
+/* Convenience for decoding Send DMA errors */
+#define QLOGIC_IB_E_SDMAERRS ( \
+		ERR_MASK(SDmaGenMismatchErr) |				\
+		ERR_MASK(SDmaOutOfBoundErr) |				\
+		ERR_MASK(SDmaTailOutOfBoundErr) | ERR_MASK(SDmaBaseErr) | \
+		ERR_MASK(SDma1stDescErr) | ERR_MASK(SDmaRpyTagErr) |	\
+		ERR_MASK(SDmaDwEnErr) | ERR_MASK(SDmaMissingDwErr) |	\
+		ERR_MASK(SDmaUnexpDataErr) |				\
+		ERR_MASK(SDmaDescAddrMisalignErr) |			\
+		ERR_MASK(SDmaDisabledErr) |				\
+		ERR_MASK(SendBufMisuseErr))
+
+/* These are all rcv-related errors which we want to count for stats */
+#define E_SUM_PKTERRS \
+	(ERR_MASK(RcvHdrLenErr) | ERR_MASK(RcvBadTidErr) |		\
+	 ERR_MASK(RcvBadVersionErr) | ERR_MASK(RcvHdrErr) |		\
+	 ERR_MASK(RcvLongPktLenErr) | ERR_MASK(RcvShortPktLenErr) |	\
+	 ERR_MASK(RcvMaxPktLenErr) | ERR_MASK(RcvMinPktLenErr) |	\
+	 ERR_MASK(RcvFormatErr) | ERR_MASK(RcvUnsupportedVLErr) |	\
+	 ERR_MASK(RcvUnexpectedCharErr) | ERR_MASK(RcvEBPErr))
+
+/* These are all send-related errors which we want to count for stats */
+#define E_SUM_ERRS \
+	(ERR_MASK(SendPioArmLaunchErr) | ERR_MASK(SendUnexpectedPktNumErr) | \
+	 ERR_MASK(SendDroppedDataPktErr) | ERR_MASK(SendDroppedSmpPktErr) | \
+	 ERR_MASK(SendMaxPktLenErr) | ERR_MASK(SendUnsupportedVLErr) |	\
+	 ERR_MASK(SendMinPktLenErr) | ERR_MASK(SendPktLenErr) |		\
+	 ERR_MASK(InvalidAddrErr))
+
+/*
+ * this is similar to E_SUM_ERRS, but can't ignore armlaunch, don't ignore
+ * errors not related to freeze and cancelling buffers.  Can't ignore
+ * armlaunch because could get more while still cleaning up, and need
+ * to cancel those as they happen.
+ */
+#define E_SPKT_ERRS_IGNORE \
+	(ERR_MASK(SendDroppedDataPktErr) | ERR_MASK(SendDroppedSmpPktErr) | \
+	 ERR_MASK(SendMaxPktLenErr) | ERR_MASK(SendMinPktLenErr) |	\
+	 ERR_MASK(SendPktLenErr))
+
+/*
+ * these are errors that can occur when the link changes state while
+ * a packet is being sent or received.  This doesn't cover things
+ * like EBP or VCRC that can be the result of a sending having the
+ * link change state, so we receive a "known bad" packet.
+ */
+#define E_SUM_LINK_PKTERRS \
+	(ERR_MASK(SendDroppedDataPktErr) | ERR_MASK(SendDroppedSmpPktErr) | \
+	 ERR_MASK(SendMinPktLenErr) | ERR_MASK(SendPktLenErr) |		\
+	 ERR_MASK(RcvShortPktLenErr) | ERR_MASK(RcvMinPktLenErr) |	\
+	 ERR_MASK(RcvUnexpectedCharErr))
+
+static void autoneg_7220_work(struct work_struct *);
+static u32 __iomem *qib_7220_getsendbuf(struct qib_pportdata *, u64, u32 *);
+
+/*
+ * Called when we might have an error that is specific to a particular
+ * PIO buffer, and may need to cancel that buffer, so it can be re-used.
+ * because we don't need to force the update of pioavail.
+ */
+static void qib_disarm_7220_senderrbufs(struct qib_pportdata *ppd)
+{
+	unsigned long sbuf[3];
+	struct qib_devdata *dd = ppd->dd;
+
+	/*
+	 * It's possible that sendbuffererror could have bits set; might
+	 * have already done this as a result of hardware error handling.
+	 */
+	/* read these before writing errorclear */
+	sbuf[0] = qib_read_kreg64(dd, kr_sendbuffererror);
+	sbuf[1] = qib_read_kreg64(dd, kr_sendbuffererror + 1);
+	sbuf[2] = qib_read_kreg64(dd, kr_sendbuffererror + 2);
+
+	if (sbuf[0] || sbuf[1] || sbuf[2])
+		qib_disarm_piobufs_set(dd, sbuf,
+				       dd->piobcnt2k + dd->piobcnt4k);
+}
+
+static void qib_7220_txe_recover(struct qib_devdata *dd)
+{
+	qib_devinfo(dd->pcidev, "Recovering from TXE PIO parity error\n");
+	qib_disarm_7220_senderrbufs(dd->pport);
+}
+
+/*
+ * This is called with interrupts disabled and sdma_lock held.
+ */
+static void qib_7220_sdma_sendctrl(struct qib_pportdata *ppd, unsigned op)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 set_sendctrl = 0;
+	u64 clr_sendctrl = 0;
+
+	if (op & QIB_SDMA_SENDCTRL_OP_ENABLE)
+		set_sendctrl |= SYM_MASK(SendCtrl, SDmaEnable);
+	else
+		clr_sendctrl |= SYM_MASK(SendCtrl, SDmaEnable);
+
+	if (op & QIB_SDMA_SENDCTRL_OP_INTENABLE)
+		set_sendctrl |= SYM_MASK(SendCtrl, SDmaIntEnable);
+	else
+		clr_sendctrl |= SYM_MASK(SendCtrl, SDmaIntEnable);
+
+	if (op & QIB_SDMA_SENDCTRL_OP_HALT)
+		set_sendctrl |= SYM_MASK(SendCtrl, SDmaHalt);
+	else
+		clr_sendctrl |= SYM_MASK(SendCtrl, SDmaHalt);
+
+	spin_lock(&dd->sendctrl_lock);
+
+	dd->sendctrl |= set_sendctrl;
+	dd->sendctrl &= ~clr_sendctrl;
+
+	qib_write_kreg(dd, kr_sendctrl, dd->sendctrl);
+	qib_write_kreg(dd, kr_scratch, 0);
+
+	spin_unlock(&dd->sendctrl_lock);
+}
+
+static void qib_decode_7220_sdma_errs(struct qib_pportdata *ppd,
+				      u64 err, char *buf, size_t blen)
+{
+	static const struct {
+		u64 err;
+		const char *msg;
+	} errs[] = {
+		{ ERR_MASK(SDmaGenMismatchErr),
+		  "SDmaGenMismatch" },
+		{ ERR_MASK(SDmaOutOfBoundErr),
+		  "SDmaOutOfBound" },
+		{ ERR_MASK(SDmaTailOutOfBoundErr),
+		  "SDmaTailOutOfBound" },
+		{ ERR_MASK(SDmaBaseErr),
+		  "SDmaBase" },
+		{ ERR_MASK(SDma1stDescErr),
+		  "SDma1stDesc" },
+		{ ERR_MASK(SDmaRpyTagErr),
+		  "SDmaRpyTag" },
+		{ ERR_MASK(SDmaDwEnErr),
+		  "SDmaDwEn" },
+		{ ERR_MASK(SDmaMissingDwErr),
+		  "SDmaMissingDw" },
+		{ ERR_MASK(SDmaUnexpDataErr),
+		  "SDmaUnexpData" },
+		{ ERR_MASK(SDmaDescAddrMisalignErr),
+		  "SDmaDescAddrMisalign" },
+		{ ERR_MASK(SendBufMisuseErr),
+		  "SendBufMisuse" },
+		{ ERR_MASK(SDmaDisabledErr),
+		  "SDmaDisabled" },
+	};
+	int i;
+	size_t bidx = 0;
+
+	for (i = 0; i < ARRAY_SIZE(errs); i++) {
+		if (err & errs[i].err)
+			bidx += scnprintf(buf + bidx, blen - bidx,
+					 "%s ", errs[i].msg);
+	}
+}
+
+/*
+ * This is called as part of link down clean up so disarm and flush
+ * all send buffers so that SMP packets can be sent.
+ */
+static void qib_7220_sdma_hw_clean_up(struct qib_pportdata *ppd)
+{
+	/* This will trigger the Abort interrupt */
+	sendctrl_7220_mod(ppd, QIB_SENDCTRL_DISARM_ALL | QIB_SENDCTRL_FLUSH |
+			  QIB_SENDCTRL_AVAIL_BLIP);
+	ppd->dd->upd_pio_shadow  = 1; /* update our idea of what's busy */
+}
+
+static void qib_sdma_7220_setlengen(struct qib_pportdata *ppd)
+{
+	/*
+	 * Set SendDmaLenGen and clear and set
+	 * the MSB of the generation count to enable generation checking
+	 * and load the internal generation counter.
+	 */
+	qib_write_kreg(ppd->dd, kr_senddmalengen, ppd->sdma_descq_cnt);
+	qib_write_kreg(ppd->dd, kr_senddmalengen,
+		       ppd->sdma_descq_cnt |
+		       (1ULL << QIB_7220_SendDmaLenGen_Generation_MSB));
+}
+
+static void qib_7220_sdma_hw_start_up(struct qib_pportdata *ppd)
+{
+	qib_sdma_7220_setlengen(ppd);
+	qib_sdma_update_7220_tail(ppd, 0); /* Set SendDmaTail */
+	ppd->sdma_head_dma[0] = 0;
+}
+
+#define DISABLES_SDMA (							\
+		ERR_MASK(SDmaDisabledErr) |				\
+		ERR_MASK(SDmaBaseErr) |					\
+		ERR_MASK(SDmaTailOutOfBoundErr) |			\
+		ERR_MASK(SDmaOutOfBoundErr) |				\
+		ERR_MASK(SDma1stDescErr) |				\
+		ERR_MASK(SDmaRpyTagErr) |				\
+		ERR_MASK(SDmaGenMismatchErr) |				\
+		ERR_MASK(SDmaDescAddrMisalignErr) |			\
+		ERR_MASK(SDmaMissingDwErr) |				\
+		ERR_MASK(SDmaDwEnErr))
+
+static void sdma_7220_errors(struct qib_pportdata *ppd, u64 errs)
+{
+	unsigned long flags;
+	struct qib_devdata *dd = ppd->dd;
+	char *msg;
+
+	errs &= QLOGIC_IB_E_SDMAERRS;
+
+	msg = dd->cspec->sdmamsgbuf;
+	qib_decode_7220_sdma_errs(ppd, errs, msg, sizeof dd->cspec->sdmamsgbuf);
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+
+	if (errs & ERR_MASK(SendBufMisuseErr)) {
+		unsigned long sbuf[3];
+
+		sbuf[0] = qib_read_kreg64(dd, kr_sendbuffererror);
+		sbuf[1] = qib_read_kreg64(dd, kr_sendbuffererror + 1);
+		sbuf[2] = qib_read_kreg64(dd, kr_sendbuffererror + 2);
+
+		qib_dev_err(ppd->dd,
+			    "IB%u:%u SendBufMisuse: %04lx %016lx %016lx\n",
+			    ppd->dd->unit, ppd->port, sbuf[2], sbuf[1],
+			    sbuf[0]);
+	}
+
+	if (errs & ERR_MASK(SDmaUnexpDataErr))
+		qib_dev_err(dd, "IB%u:%u SDmaUnexpData\n", ppd->dd->unit,
+			    ppd->port);
+
+	switch (ppd->sdma_state.current_state) {
+	case qib_sdma_state_s00_hw_down:
+		/* not expecting any interrupts */
+		break;
+
+	case qib_sdma_state_s10_hw_start_up_wait:
+		/* handled in intr path */
+		break;
+
+	case qib_sdma_state_s20_idle:
+		/* not expecting any interrupts */
+		break;
+
+	case qib_sdma_state_s30_sw_clean_up_wait:
+		/* not expecting any interrupts */
+		break;
+
+	case qib_sdma_state_s40_hw_clean_up_wait:
+		if (errs & ERR_MASK(SDmaDisabledErr))
+			__qib_sdma_process_event(ppd,
+				qib_sdma_event_e50_hw_cleaned);
+		break;
+
+	case qib_sdma_state_s50_hw_halt_wait:
+		/* handled in intr path */
+		break;
+
+	case qib_sdma_state_s99_running:
+		if (errs & DISABLES_SDMA)
+			__qib_sdma_process_event(ppd,
+				qib_sdma_event_e7220_err_halted);
+		break;
+	}
+
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+}
+
+/*
+ * Decode the error status into strings, deciding whether to always
+ * print * it or not depending on "normal packet errors" vs everything
+ * else.   Return 1 if "real" errors, otherwise 0 if only packet
+ * errors, so caller can decide what to print with the string.
+ */
+static int qib_decode_7220_err(struct qib_devdata *dd, char *buf, size_t blen,
+			       u64 err)
+{
+	int iserr = 1;
+
+	*buf = '\0';
+	if (err & QLOGIC_IB_E_PKTERRS) {
+		if (!(err & ~QLOGIC_IB_E_PKTERRS))
+			iserr = 0;
+		if ((err & ERR_MASK(RcvICRCErr)) &&
+		    !(err & (ERR_MASK(RcvVCRCErr) | ERR_MASK(RcvEBPErr))))
+			strlcat(buf, "CRC ", blen);
+		if (!iserr)
+			goto done;
+	}
+	if (err & ERR_MASK(RcvHdrLenErr))
+		strlcat(buf, "rhdrlen ", blen);
+	if (err & ERR_MASK(RcvBadTidErr))
+		strlcat(buf, "rbadtid ", blen);
+	if (err & ERR_MASK(RcvBadVersionErr))
+		strlcat(buf, "rbadversion ", blen);
+	if (err & ERR_MASK(RcvHdrErr))
+		strlcat(buf, "rhdr ", blen);
+	if (err & ERR_MASK(SendSpecialTriggerErr))
+		strlcat(buf, "sendspecialtrigger ", blen);
+	if (err & ERR_MASK(RcvLongPktLenErr))
+		strlcat(buf, "rlongpktlen ", blen);
+	if (err & ERR_MASK(RcvMaxPktLenErr))
+		strlcat(buf, "rmaxpktlen ", blen);
+	if (err & ERR_MASK(RcvMinPktLenErr))
+		strlcat(buf, "rminpktlen ", blen);
+	if (err & ERR_MASK(SendMinPktLenErr))
+		strlcat(buf, "sminpktlen ", blen);
+	if (err & ERR_MASK(RcvFormatErr))
+		strlcat(buf, "rformaterr ", blen);
+	if (err & ERR_MASK(RcvUnsupportedVLErr))
+		strlcat(buf, "runsupvl ", blen);
+	if (err & ERR_MASK(RcvUnexpectedCharErr))
+		strlcat(buf, "runexpchar ", blen);
+	if (err & ERR_MASK(RcvIBFlowErr))
+		strlcat(buf, "ribflow ", blen);
+	if (err & ERR_MASK(SendUnderRunErr))
+		strlcat(buf, "sunderrun ", blen);
+	if (err & ERR_MASK(SendPioArmLaunchErr))
+		strlcat(buf, "spioarmlaunch ", blen);
+	if (err & ERR_MASK(SendUnexpectedPktNumErr))
+		strlcat(buf, "sunexperrpktnum ", blen);
+	if (err & ERR_MASK(SendDroppedSmpPktErr))
+		strlcat(buf, "sdroppedsmppkt ", blen);
+	if (err & ERR_MASK(SendMaxPktLenErr))
+		strlcat(buf, "smaxpktlen ", blen);
+	if (err & ERR_MASK(SendUnsupportedVLErr))
+		strlcat(buf, "sunsupVL ", blen);
+	if (err & ERR_MASK(InvalidAddrErr))
+		strlcat(buf, "invalidaddr ", blen);
+	if (err & ERR_MASK(RcvEgrFullErr))
+		strlcat(buf, "rcvegrfull ", blen);
+	if (err & ERR_MASK(RcvHdrFullErr))
+		strlcat(buf, "rcvhdrfull ", blen);
+	if (err & ERR_MASK(IBStatusChanged))
+		strlcat(buf, "ibcstatuschg ", blen);
+	if (err & ERR_MASK(RcvIBLostLinkErr))
+		strlcat(buf, "riblostlink ", blen);
+	if (err & ERR_MASK(HardwareErr))
+		strlcat(buf, "hardware ", blen);
+	if (err & ERR_MASK(ResetNegated))
+		strlcat(buf, "reset ", blen);
+	if (err & QLOGIC_IB_E_SDMAERRS)
+		qib_decode_7220_sdma_errs(dd->pport, err, buf, blen);
+	if (err & ERR_MASK(InvalidEEPCmd))
+		strlcat(buf, "invalideepromcmd ", blen);
+done:
+	return iserr;
+}
+
+static void reenable_7220_chase(unsigned long opaque)
+{
+	struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
+	ppd->cpspec->chase_timer.expires = 0;
+	qib_set_ib_7220_lstate(ppd, QLOGIC_IB_IBCC_LINKCMD_DOWN,
+		QLOGIC_IB_IBCC_LINKINITCMD_POLL);
+}
+
+static void handle_7220_chase(struct qib_pportdata *ppd, u64 ibcst)
+{
+	u8 ibclt;
+	u64 tnow;
+
+	ibclt = (u8)SYM_FIELD(ibcst, IBCStatus, LinkTrainingState);
+
+	/*
+	 * Detect and handle the state chase issue, where we can
+	 * get stuck if we are unlucky on timing on both sides of
+	 * the link.   If we are, we disable, set a timer, and
+	 * then re-enable.
+	 */
+	switch (ibclt) {
+	case IB_7220_LT_STATE_CFGRCVFCFG:
+	case IB_7220_LT_STATE_CFGWAITRMT:
+	case IB_7220_LT_STATE_TXREVLANES:
+	case IB_7220_LT_STATE_CFGENH:
+		tnow = get_jiffies_64();
+		if (ppd->cpspec->chase_end &&
+		    time_after64(tnow, ppd->cpspec->chase_end)) {
+			ppd->cpspec->chase_end = 0;
+			qib_set_ib_7220_lstate(ppd,
+				QLOGIC_IB_IBCC_LINKCMD_DOWN,
+				QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
+			ppd->cpspec->chase_timer.expires = jiffies +
+				QIB_CHASE_DIS_TIME;
+			add_timer(&ppd->cpspec->chase_timer);
+		} else if (!ppd->cpspec->chase_end)
+			ppd->cpspec->chase_end = tnow + QIB_CHASE_TIME;
+		break;
+
+	default:
+		ppd->cpspec->chase_end = 0;
+		break;
+	}
+}
+
+static void handle_7220_errors(struct qib_devdata *dd, u64 errs)
+{
+	char *msg;
+	u64 ignore_this_time = 0;
+	u64 iserr = 0;
+	int log_idx;
+	struct qib_pportdata *ppd = dd->pport;
+	u64 mask;
+
+	/* don't report errors that are masked */
+	errs &= dd->cspec->errormask;
+	msg = dd->cspec->emsgbuf;
+
+	/* do these first, they are most important */
+	if (errs & ERR_MASK(HardwareErr))
+		qib_7220_handle_hwerrors(dd, msg, sizeof dd->cspec->emsgbuf);
+	else
+		for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
+			if (errs & dd->eep_st_masks[log_idx].errs_to_log)
+				qib_inc_eeprom_err(dd, log_idx, 1);
+
+	if (errs & QLOGIC_IB_E_SDMAERRS)
+		sdma_7220_errors(ppd, errs);
+
+	if (errs & ~IB_E_BITSEXTANT)
+		qib_dev_err(dd, "error interrupt with unknown errors "
+			    "%llx set\n", (unsigned long long)
+			    (errs & ~IB_E_BITSEXTANT));
+
+	if (errs & E_SUM_ERRS) {
+		qib_disarm_7220_senderrbufs(ppd);
+		if ((errs & E_SUM_LINK_PKTERRS) &&
+		    !(ppd->lflags & QIBL_LINKACTIVE)) {
+			/*
+			 * This can happen when trying to bring the link
+			 * up, but the IB link changes state at the "wrong"
+			 * time. The IB logic then complains that the packet
+			 * isn't valid.  We don't want to confuse people, so
+			 * we just don't print them, except at debug
+			 */
+			ignore_this_time = errs & E_SUM_LINK_PKTERRS;
+		}
+	} else if ((errs & E_SUM_LINK_PKTERRS) &&
+		   !(ppd->lflags & QIBL_LINKACTIVE)) {
+		/*
+		 * This can happen when SMA is trying to bring the link
+		 * up, but the IB link changes state at the "wrong" time.
+		 * The IB logic then complains that the packet isn't
+		 * valid.  We don't want to confuse people, so we just
+		 * don't print them, except at debug
+		 */
+		ignore_this_time = errs & E_SUM_LINK_PKTERRS;
+	}
+
+	qib_write_kreg(dd, kr_errclear, errs);
+
+	errs &= ~ignore_this_time;
+	if (!errs)
+		goto done;
+
+	/*
+	 * The ones we mask off are handled specially below
+	 * or above.  Also mask SDMADISABLED by default as it
+	 * is too chatty.
+	 */
+	mask = ERR_MASK(IBStatusChanged) |
+		ERR_MASK(RcvEgrFullErr) | ERR_MASK(RcvHdrFullErr) |
+		ERR_MASK(HardwareErr) | ERR_MASK(SDmaDisabledErr);
+
+	qib_decode_7220_err(dd, msg, sizeof dd->cspec->emsgbuf, errs & ~mask);
+
+	if (errs & E_SUM_PKTERRS)
+		qib_stats.sps_rcverrs++;
+	if (errs & E_SUM_ERRS)
+		qib_stats.sps_txerrs++;
+	iserr = errs & ~(E_SUM_PKTERRS | QLOGIC_IB_E_PKTERRS |
+			 ERR_MASK(SDmaDisabledErr));
+
+	if (errs & ERR_MASK(IBStatusChanged)) {
+		u64 ibcs;
+
+		ibcs = qib_read_kreg64(dd, kr_ibcstatus);
+		if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG))
+			handle_7220_chase(ppd, ibcs);
+
+		/* Update our picture of width and speed from chip */
+		ppd->link_width_active =
+			((ibcs >> IBA7220_LINKWIDTH_SHIFT) & 1) ?
+			    IB_WIDTH_4X : IB_WIDTH_1X;
+		ppd->link_speed_active =
+			((ibcs >> IBA7220_LINKSPEED_SHIFT) & 1) ?
+			    QIB_IB_DDR : QIB_IB_SDR;
+
+		/*
+		 * Since going into a recovery state causes the link state
+		 * to go down and since recovery is transitory, it is better
+		 * if we "miss" ever seeing the link training state go into
+		 * recovery (i.e., ignore this transition for link state
+		 * special handling purposes) without updating lastibcstat.
+		 */
+		if (qib_7220_phys_portstate(ibcs) !=
+					    IB_PHYSPORTSTATE_LINK_ERR_RECOVER)
+			qib_handle_e_ibstatuschanged(ppd, ibcs);
+	}
+
+	if (errs & ERR_MASK(ResetNegated)) {
+		qib_dev_err(dd, "Got reset, requires re-init "
+			    "(unload and reload driver)\n");
+		dd->flags &= ~QIB_INITTED;  /* needs re-init */
+		/* mark as having had error */
+		*dd->devstatusp |= QIB_STATUS_HWERROR;
+		*dd->pport->statusp &= ~QIB_STATUS_IB_CONF;
+	}
+
+	if (*msg && iserr)
+		qib_dev_porterr(dd, ppd->port, "%s error\n", msg);
+
+	if (ppd->state_wanted & ppd->lflags)
+		wake_up_interruptible(&ppd->state_wait);
+
+	/*
+	 * If there were hdrq or egrfull errors, wake up any processes
+	 * waiting in poll.  We used to try to check which contexts had
+	 * the overflow, but given the cost of that and the chip reads
+	 * to support it, it's better to just wake everybody up if we
+	 * get an overflow; waiters can poll again if it's not them.
+	 */
+	if (errs & (ERR_MASK(RcvEgrFullErr) | ERR_MASK(RcvHdrFullErr))) {
+		qib_handle_urcv(dd, ~0U);
+		if (errs & ERR_MASK(RcvEgrFullErr))
+			qib_stats.sps_buffull++;
+		else
+			qib_stats.sps_hdrfull++;
+	}
+done:
+	return;
+}
+
+/* enable/disable chip from delivering interrupts */
+static void qib_7220_set_intr_state(struct qib_devdata *dd, u32 enable)
+{
+	if (enable) {
+		if (dd->flags & QIB_BADINTR)
+			return;
+		qib_write_kreg(dd, kr_intmask, ~0ULL);
+		/* force re-interrupt of any pending interrupts. */
+		qib_write_kreg(dd, kr_intclear, 0ULL);
+	} else
+		qib_write_kreg(dd, kr_intmask, 0ULL);
+}
+
+/*
+ * Try to cleanup as much as possible for anything that might have gone
+ * wrong while in freeze mode, such as pio buffers being written by user
+ * processes (causing armlaunch), send errors due to going into freeze mode,
+ * etc., and try to avoid causing extra interrupts while doing so.
+ * Forcibly update the in-memory pioavail register copies after cleanup
+ * because the chip won't do it while in freeze mode (the register values
+ * themselves are kept correct).
+ * Make sure that we don't lose any important interrupts by using the chip
+ * feature that says that writing 0 to a bit in *clear that is set in
+ * *status will cause an interrupt to be generated again (if allowed by
+ * the *mask value).
+ * This is in chip-specific code because of all of the register accesses,
+ * even though the details are similar on most chips.
+ */
+static void qib_7220_clear_freeze(struct qib_devdata *dd)
+{
+	/* disable error interrupts, to avoid confusion */
+	qib_write_kreg(dd, kr_errmask, 0ULL);
+
+	/* also disable interrupts; errormask is sometimes overwriten */
+	qib_7220_set_intr_state(dd, 0);
+
+	qib_cancel_sends(dd->pport);
+
+	/* clear the freeze, and be sure chip saw it */
+	qib_write_kreg(dd, kr_control, dd->control);
+	qib_read_kreg32(dd, kr_scratch);
+
+	/* force in-memory update now we are out of freeze */
+	qib_force_pio_avail_update(dd);
+
+	/*
+	 * force new interrupt if any hwerr, error or interrupt bits are
+	 * still set, and clear "safe" send packet errors related to freeze
+	 * and cancelling sends.  Re-enable error interrupts before possible
+	 * force of re-interrupt on pending interrupts.
+	 */
+	qib_write_kreg(dd, kr_hwerrclear, 0ULL);
+	qib_write_kreg(dd, kr_errclear, E_SPKT_ERRS_IGNORE);
+	qib_write_kreg(dd, kr_errmask, dd->cspec->errormask);
+	qib_7220_set_intr_state(dd, 1);
+}
+
+/**
+ * qib_7220_handle_hwerrors - display hardware errors.
+ * @dd: the qlogic_ib device
+ * @msg: the output buffer
+ * @msgl: the size of the output buffer
+ *
+ * Use same msg buffer as regular errors to avoid excessive stack
+ * use.  Most hardware errors are catastrophic, but for right now,
+ * we'll print them and continue.  We reuse the same message buffer as
+ * handle_7220_errors() to avoid excessive stack usage.
+ */
+static void qib_7220_handle_hwerrors(struct qib_devdata *dd, char *msg,
+				     size_t msgl)
+{
+	u64 hwerrs;
+	u32 bits, ctrl;
+	int isfatal = 0;
+	char *bitsmsg;
+	int log_idx;
+
+	hwerrs = qib_read_kreg64(dd, kr_hwerrstatus);
+	if (!hwerrs)
+		goto bail;
+	if (hwerrs == ~0ULL) {
+		qib_dev_err(dd, "Read of hardware error status failed "
+			    "(all bits set); ignoring\n");
+		goto bail;
+	}
+	qib_stats.sps_hwerrs++;
+
+	/*
+	 * Always clear the error status register, except MEMBISTFAIL,
+	 * regardless of whether we continue or stop using the chip.
+	 * We want that set so we know it failed, even across driver reload.
+	 * We'll still ignore it in the hwerrmask.  We do this partly for
+	 * diagnostics, but also for support.
+	 */
+	qib_write_kreg(dd, kr_hwerrclear,
+		       hwerrs & ~HWE_MASK(PowerOnBISTFailed));
+
+	hwerrs &= dd->cspec->hwerrmask;
+
+	/* We log some errors to EEPROM, check if we have any of those. */
+	for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
+		if (hwerrs & dd->eep_st_masks[log_idx].hwerrs_to_log)
+			qib_inc_eeprom_err(dd, log_idx, 1);
+	if (hwerrs & ~(TXEMEMPARITYERR_PIOBUF | TXEMEMPARITYERR_PIOPBC |
+		       RXE_PARITY))
+		qib_devinfo(dd->pcidev, "Hardware error: hwerr=0x%llx "
+			 "(cleared)\n", (unsigned long long) hwerrs);
+
+	if (hwerrs & ~IB_HWE_BITSEXTANT)
+		qib_dev_err(dd, "hwerror interrupt with unknown errors "
+			    "%llx set\n", (unsigned long long)
+			    (hwerrs & ~IB_HWE_BITSEXTANT));
+
+	if (hwerrs & QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR)
+		qib_sd7220_clr_ibpar(dd);
+
+	ctrl = qib_read_kreg32(dd, kr_control);
+	if ((ctrl & QLOGIC_IB_C_FREEZEMODE) && !dd->diag_client) {
+		/*
+		 * Parity errors in send memory are recoverable by h/w
+		 * just do housekeeping, exit freeze mode and continue.
+		 */
+		if (hwerrs & (TXEMEMPARITYERR_PIOBUF |
+			      TXEMEMPARITYERR_PIOPBC)) {
+			qib_7220_txe_recover(dd);
+			hwerrs &= ~(TXEMEMPARITYERR_PIOBUF |
+				    TXEMEMPARITYERR_PIOPBC);
+		}
+		if (hwerrs)
+			isfatal = 1;
+		else
+			qib_7220_clear_freeze(dd);
+	}
+
+	*msg = '\0';
+
+	if (hwerrs & HWE_MASK(PowerOnBISTFailed)) {
+		isfatal = 1;
+		strlcat(msg, "[Memory BIST test failed, "
+			"InfiniPath hardware unusable]", msgl);
+		/* ignore from now on, so disable until driver reloaded */
+		dd->cspec->hwerrmask &= ~HWE_MASK(PowerOnBISTFailed);
+		qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+	}
+
+	qib_format_hwerrors(hwerrs, qib_7220_hwerror_msgs,
+			    ARRAY_SIZE(qib_7220_hwerror_msgs), msg, msgl);
+
+	bitsmsg = dd->cspec->bitsmsgbuf;
+	if (hwerrs & (QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK <<
+		      QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT)) {
+		bits = (u32) ((hwerrs >>
+			       QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT) &
+			      QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK);
+		snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+			 "[PCIe Mem Parity Errs %x] ", bits);
+		strlcat(msg, bitsmsg, msgl);
+	}
+
+#define _QIB_PLL_FAIL (QLOGIC_IB_HWE_COREPLL_FBSLIP |   \
+			 QLOGIC_IB_HWE_COREPLL_RFSLIP)
+
+	if (hwerrs & _QIB_PLL_FAIL) {
+		isfatal = 1;
+		snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+			 "[PLL failed (%llx), InfiniPath hardware unusable]",
+			 (unsigned long long) hwerrs & _QIB_PLL_FAIL);
+		strlcat(msg, bitsmsg, msgl);
+		/* ignore from now on, so disable until driver reloaded */
+		dd->cspec->hwerrmask &= ~(hwerrs & _QIB_PLL_FAIL);
+		qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+	}
+
+	if (hwerrs & QLOGIC_IB_HWE_SERDESPLLFAILED) {
+		/*
+		 * If it occurs, it is left masked since the eternal
+		 * interface is unused.
+		 */
+		dd->cspec->hwerrmask &= ~QLOGIC_IB_HWE_SERDESPLLFAILED;
+		qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+	}
+
+	qib_dev_err(dd, "%s hardware error\n", msg);
+
+	if (isfatal && !dd->diag_client) {
+		qib_dev_err(dd, "Fatal Hardware Error, no longer"
+			    " usable, SN %.16s\n", dd->serial);
+		/*
+		 * For /sys status file and user programs to print; if no
+		 * trailing brace is copied, we'll know it was truncated.
+		 */
+		if (dd->freezemsg)
+			snprintf(dd->freezemsg, dd->freezelen,
+				 "{%s}", msg);
+		qib_disable_after_error(dd);
+	}
+bail:;
+}
+
+/**
+ * qib_7220_init_hwerrors - enable hardware errors
+ * @dd: the qlogic_ib device
+ *
+ * now that we have finished initializing everything that might reasonably
+ * cause a hardware error, and cleared those errors bits as they occur,
+ * we can enable hardware errors in the mask (potentially enabling
+ * freeze mode), and enable hardware errors as errors (along with
+ * everything else) in errormask
+ */
+static void qib_7220_init_hwerrors(struct qib_devdata *dd)
+{
+	u64 val;
+	u64 extsval;
+
+	extsval = qib_read_kreg64(dd, kr_extstatus);
+
+	if (!(extsval & (QLOGIC_IB_EXTS_MEMBIST_ENDTEST |
+			 QLOGIC_IB_EXTS_MEMBIST_DISABLED)))
+		qib_dev_err(dd, "MemBIST did not complete!\n");
+	if (extsval & QLOGIC_IB_EXTS_MEMBIST_DISABLED)
+		qib_devinfo(dd->pcidev, "MemBIST is disabled.\n");
+
+	val = ~0ULL;    /* default to all hwerrors become interrupts, */
+
+	val &= ~QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR;
+	dd->cspec->hwerrmask = val;
+
+	qib_write_kreg(dd, kr_hwerrclear, ~HWE_MASK(PowerOnBISTFailed));
+	qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+
+	/* clear all */
+	qib_write_kreg(dd, kr_errclear, ~0ULL);
+	/* enable errors that are masked, at least this first time. */
+	qib_write_kreg(dd, kr_errmask, ~0ULL);
+	dd->cspec->errormask = qib_read_kreg64(dd, kr_errmask);
+	/* clear any interrupts up to this point (ints still not enabled) */
+	qib_write_kreg(dd, kr_intclear, ~0ULL);
+}
+
+/*
+ * Disable and enable the armlaunch error.  Used for PIO bandwidth testing
+ * on chips that are count-based, rather than trigger-based.  There is no
+ * reference counting, but that's also fine, given the intended use.
+ * Only chip-specific because it's all register accesses
+ */
+static void qib_set_7220_armlaunch(struct qib_devdata *dd, u32 enable)
+{
+	if (enable) {
+		qib_write_kreg(dd, kr_errclear, ERR_MASK(SendPioArmLaunchErr));
+		dd->cspec->errormask |= ERR_MASK(SendPioArmLaunchErr);
+	} else
+		dd->cspec->errormask &= ~ERR_MASK(SendPioArmLaunchErr);
+	qib_write_kreg(dd, kr_errmask, dd->cspec->errormask);
+}
+
+/*
+ * Formerly took parameter <which> in pre-shifted,
+ * pre-merged form with LinkCmd and LinkInitCmd
+ * together, and assuming the zero was NOP.
+ */
+static void qib_set_ib_7220_lstate(struct qib_pportdata *ppd, u16 linkcmd,
+				   u16 linitcmd)
+{
+	u64 mod_wd;
+	struct qib_devdata *dd = ppd->dd;
+	unsigned long flags;
+
+	if (linitcmd == QLOGIC_IB_IBCC_LINKINITCMD_DISABLE) {
+		/*
+		 * If we are told to disable, note that so link-recovery
+		 * code does not attempt to bring us back up.
+		 */
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags |= QIBL_IB_LINK_DISABLED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	} else if (linitcmd || linkcmd == QLOGIC_IB_IBCC_LINKCMD_DOWN) {
+		/*
+		 * Any other linkinitcmd will lead to LINKDOWN and then
+		 * to INIT (if all is well), so clear flag to let
+		 * link-recovery code attempt to bring us back up.
+		 */
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~QIBL_IB_LINK_DISABLED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	}
+
+	mod_wd = (linkcmd << IBA7220_IBCC_LINKCMD_SHIFT) |
+		(linitcmd << QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+
+	qib_write_kreg(dd, kr_ibcctrl, ppd->cpspec->ibcctrl | mod_wd);
+	/* write to chip to prevent back-to-back writes of ibc reg */
+	qib_write_kreg(dd, kr_scratch, 0);
+}
+
+/*
+ * All detailed interaction with the SerDes has been moved to qib_sd7220.c
+ *
+ * The portion of IBA7220-specific bringup_serdes() that actually deals with
+ * registers and memory within the SerDes itself is qib_sd7220_init().
+ */
+
+/**
+ * qib_7220_bringup_serdes - bring up the serdes
+ * @ppd: physical port on the qlogic_ib device
+ */
+static int qib_7220_bringup_serdes(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 val, prev_val, guid, ibc;
+	int ret = 0;
+
+	/* Put IBC in reset, sends disabled */
+	dd->control &= ~QLOGIC_IB_C_LINKENABLE;
+	qib_write_kreg(dd, kr_control, 0ULL);
+
+	if (qib_compat_ddr_negotiate) {
+		ppd->cpspec->ibdeltainprog = 1;
+		ppd->cpspec->ibsymsnap = read_7220_creg32(dd, cr_ibsymbolerr);
+		ppd->cpspec->iblnkerrsnap =
+			read_7220_creg32(dd, cr_iblinkerrrecov);
+	}
+
+	/* flowcontrolwatermark is in units of KBytes */
+	ibc = 0x5ULL << SYM_LSB(IBCCtrl, FlowCtrlWaterMark);
+	/*
+	 * How often flowctrl sent.  More or less in usecs; balance against
+	 * watermark value, so that in theory senders always get a flow
+	 * control update in time to not let the IB link go idle.
+	 */
+	ibc |= 0x3ULL << SYM_LSB(IBCCtrl, FlowCtrlPeriod);
+	/* max error tolerance */
+	ibc |= 0xfULL << SYM_LSB(IBCCtrl, PhyerrThreshold);
+	/* use "real" buffer space for */
+	ibc |= 4ULL << SYM_LSB(IBCCtrl, CreditScale);
+	/* IB credit flow control. */
+	ibc |= 0xfULL << SYM_LSB(IBCCtrl, OverrunThreshold);
+	/*
+	 * set initial max size pkt IBC will send, including ICRC; it's the
+	 * PIO buffer size in dwords, less 1; also see qib_set_mtu()
+	 */
+	ibc |= ((u64)(ppd->ibmaxlen >> 2) + 1) << SYM_LSB(IBCCtrl, MaxPktLen);
+	ppd->cpspec->ibcctrl = ibc; /* without linkcmd or linkinitcmd! */
+
+	/* initially come up waiting for TS1, without sending anything. */
+	val = ppd->cpspec->ibcctrl | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
+		QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+	qib_write_kreg(dd, kr_ibcctrl, val);
+
+	if (!ppd->cpspec->ibcddrctrl) {
+		/* not on re-init after reset */
+		ppd->cpspec->ibcddrctrl = qib_read_kreg64(dd, kr_ibcddrctrl);
+
+		if (ppd->link_speed_enabled == (QIB_IB_SDR | QIB_IB_DDR))
+			ppd->cpspec->ibcddrctrl |=
+				IBA7220_IBC_SPEED_AUTONEG_MASK |
+				IBA7220_IBC_IBTA_1_2_MASK;
+		else
+			ppd->cpspec->ibcddrctrl |=
+				ppd->link_speed_enabled == QIB_IB_DDR ?
+				IBA7220_IBC_SPEED_DDR : IBA7220_IBC_SPEED_SDR;
+		if ((ppd->link_width_enabled & (IB_WIDTH_1X | IB_WIDTH_4X)) ==
+		    (IB_WIDTH_1X | IB_WIDTH_4X))
+			ppd->cpspec->ibcddrctrl |= IBA7220_IBC_WIDTH_AUTONEG;
+		else
+			ppd->cpspec->ibcddrctrl |=
+				ppd->link_width_enabled == IB_WIDTH_4X ?
+				IBA7220_IBC_WIDTH_4X_ONLY :
+				IBA7220_IBC_WIDTH_1X_ONLY;
+
+		/* always enable these on driver reload, not sticky */
+		ppd->cpspec->ibcddrctrl |=
+			IBA7220_IBC_RXPOL_MASK << IBA7220_IBC_RXPOL_SHIFT;
+		ppd->cpspec->ibcddrctrl |=
+			IBA7220_IBC_HRTBT_MASK << IBA7220_IBC_HRTBT_SHIFT;
+
+		/* enable automatic lane reversal detection for receive */
+		ppd->cpspec->ibcddrctrl |= IBA7220_IBC_LANE_REV_SUPPORTED;
+	} else
+		/* write to chip to prevent back-to-back writes of ibc reg */
+		qib_write_kreg(dd, kr_scratch, 0);
+
+	qib_write_kreg(dd, kr_ibcddrctrl, ppd->cpspec->ibcddrctrl);
+	qib_write_kreg(dd, kr_scratch, 0);
+
+	qib_write_kreg(dd, kr_ncmodectrl, 0Ull);
+	qib_write_kreg(dd, kr_scratch, 0);
+
+	ret = qib_sd7220_init(dd);
+
+	val = qib_read_kreg64(dd, kr_xgxs_cfg);
+	prev_val = val;
+	val |= QLOGIC_IB_XGXS_FC_SAFE;
+	if (val != prev_val) {
+		qib_write_kreg(dd, kr_xgxs_cfg, val);
+		qib_read_kreg32(dd, kr_scratch);
+	}
+	if (val & QLOGIC_IB_XGXS_RESET)
+		val &= ~QLOGIC_IB_XGXS_RESET;
+	if (val != prev_val)
+		qib_write_kreg(dd, kr_xgxs_cfg, val);
+
+	/* first time through, set port guid */
+	if (!ppd->guid)
+		ppd->guid = dd->base_guid;
+	guid = be64_to_cpu(ppd->guid);
+
+	qib_write_kreg(dd, kr_hrtbt_guid, guid);
+	if (!ret) {
+		dd->control |= QLOGIC_IB_C_LINKENABLE;
+		qib_write_kreg(dd, kr_control, dd->control);
+	} else
+		/* write to chip to prevent back-to-back writes of ibc reg */
+		qib_write_kreg(dd, kr_scratch, 0);
+	return ret;
+}
+
+/**
+ * qib_7220_quiet_serdes - set serdes to txidle
+ * @ppd: physical port of the qlogic_ib device
+ * Called when driver is being unloaded
+ */
+static void qib_7220_quiet_serdes(struct qib_pportdata *ppd)
+{
+	u64 val;
+	struct qib_devdata *dd = ppd->dd;
+	unsigned long flags;
+
+	/* disable IBC */
+	dd->control &= ~QLOGIC_IB_C_LINKENABLE;
+	qib_write_kreg(dd, kr_control,
+		       dd->control | QLOGIC_IB_C_FREEZEMODE);
+
+	ppd->cpspec->chase_end = 0;
+	if (ppd->cpspec->chase_timer.data) /* if initted */
+		del_timer_sync(&ppd->cpspec->chase_timer);
+
+	if (ppd->cpspec->ibsymdelta || ppd->cpspec->iblnkerrdelta ||
+	    ppd->cpspec->ibdeltainprog) {
+		u64 diagc;
+
+		/* enable counter writes */
+		diagc = qib_read_kreg64(dd, kr_hwdiagctrl);
+		qib_write_kreg(dd, kr_hwdiagctrl,
+			       diagc | SYM_MASK(HwDiagCtrl, CounterWrEnable));
+
+		if (ppd->cpspec->ibsymdelta || ppd->cpspec->ibdeltainprog) {
+			val = read_7220_creg32(dd, cr_ibsymbolerr);
+			if (ppd->cpspec->ibdeltainprog)
+				val -= val - ppd->cpspec->ibsymsnap;
+			val -= ppd->cpspec->ibsymdelta;
+			write_7220_creg(dd, cr_ibsymbolerr, val);
+		}
+		if (ppd->cpspec->iblnkerrdelta || ppd->cpspec->ibdeltainprog) {
+			val = read_7220_creg32(dd, cr_iblinkerrrecov);
+			if (ppd->cpspec->ibdeltainprog)
+				val -= val - ppd->cpspec->iblnkerrsnap;
+			val -= ppd->cpspec->iblnkerrdelta;
+			write_7220_creg(dd, cr_iblinkerrrecov, val);
+		}
+
+		/* and disable counter writes */
+		qib_write_kreg(dd, kr_hwdiagctrl, diagc);
+	}
+	qib_set_ib_7220_lstate(ppd, 0, QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
+
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	ppd->lflags &= ~QIBL_IB_AUTONEG_INPROG;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	wake_up(&ppd->cpspec->autoneg_wait);
+	cancel_delayed_work(&ppd->cpspec->autoneg_work);
+	flush_scheduled_work();
+
+	shutdown_7220_relock_poll(ppd->dd);
+	val = qib_read_kreg64(ppd->dd, kr_xgxs_cfg);
+	val |= QLOGIC_IB_XGXS_RESET;
+	qib_write_kreg(ppd->dd, kr_xgxs_cfg, val);
+}
+
+/**
+ * qib_setup_7220_setextled - set the state of the two external LEDs
+ * @dd: the qlogic_ib device
+ * @on: whether the link is up or not
+ *
+ * The exact combo of LEDs if on is true is determined by looking
+ * at the ibcstatus.
+ *
+ * These LEDs indicate the physical and logical state of IB link.
+ * For this chip (at least with recommended board pinouts), LED1
+ * is Yellow (logical state) and LED2 is Green (physical state),
+ *
+ * Note:  We try to match the Mellanox HCA LED behavior as best
+ * we can.  Green indicates physical link state is OK (something is
+ * plugged in, and we can train).
+ * Amber indicates the link is logically up (ACTIVE).
+ * Mellanox further blinks the amber LED to indicate data packet
+ * activity, but we have no hardware support for that, so it would
+ * require waking up every 10-20 msecs and checking the counters
+ * on the chip, and then turning the LED off if appropriate.  That's
+ * visible overhead, so not something we will do.
+ *
+ */
+static void qib_setup_7220_setextled(struct qib_pportdata *ppd, u32 on)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 extctl, ledblink = 0, val, lst, ltst;
+	unsigned long flags;
+
+	/*
+	 * The diags use the LED to indicate diag info, so we leave
+	 * the external LED alone when the diags are running.
+	 */
+	if (dd->diag_client)
+		return;
+
+	if (ppd->led_override) {
+		ltst = (ppd->led_override & QIB_LED_PHYS) ?
+			IB_PHYSPORTSTATE_LINKUP : IB_PHYSPORTSTATE_DISABLED,
+		lst = (ppd->led_override & QIB_LED_LOG) ?
+			IB_PORT_ACTIVE : IB_PORT_DOWN;
+	} else if (on) {
+		val = qib_read_kreg64(dd, kr_ibcstatus);
+		ltst = qib_7220_phys_portstate(val);
+		lst = qib_7220_iblink_state(val);
+	} else {
+		ltst = 0;
+		lst = 0;
+	}
+
+	spin_lock_irqsave(&dd->cspec->gpio_lock, flags);
+	extctl = dd->cspec->extctrl & ~(SYM_MASK(EXTCtrl, LEDPriPortGreenOn) |
+				 SYM_MASK(EXTCtrl, LEDPriPortYellowOn));
+	if (ltst == IB_PHYSPORTSTATE_LINKUP) {
+		extctl |= SYM_MASK(EXTCtrl, LEDPriPortGreenOn);
+		/*
+		 * counts are in chip clock (4ns) periods.
+		 * This is 1/16 sec (66.6ms) on,
+		 * 3/16 sec (187.5 ms) off, with packets rcvd
+		 */
+		ledblink = ((66600 * 1000UL / 4) << IBA7220_LEDBLINK_ON_SHIFT)
+			| ((187500 * 1000UL / 4) << IBA7220_LEDBLINK_OFF_SHIFT);
+	}
+	if (lst == IB_PORT_ACTIVE)
+		extctl |= SYM_MASK(EXTCtrl, LEDPriPortYellowOn);
+	dd->cspec->extctrl = extctl;
+	qib_write_kreg(dd, kr_extctrl, extctl);
+	spin_unlock_irqrestore(&dd->cspec->gpio_lock, flags);
+
+	if (ledblink) /* blink the LED on packet receive */
+		qib_write_kreg(dd, kr_rcvpktledcnt, ledblink);
+}
+
+static void qib_7220_free_irq(struct qib_devdata *dd)
+{
+	if (dd->cspec->irq) {
+		free_irq(dd->cspec->irq, dd);
+		dd->cspec->irq = 0;
+	}
+	qib_nomsi(dd);
+}
+
+/*
+ * qib_setup_7220_cleanup - clean up any per-chip chip-specific stuff
+ * @dd: the qlogic_ib device
+ *
+ * This is called during driver unload.
+ *
+ */
+static void qib_setup_7220_cleanup(struct qib_devdata *dd)
+{
+	qib_7220_free_irq(dd);
+	kfree(dd->cspec->cntrs);
+	kfree(dd->cspec->portcntrs);
+}
+
+/*
+ * This is only called for SDmaInt.
+ * SDmaDisabled is handled on the error path.
+ */
+static void sdma_7220_intr(struct qib_pportdata *ppd, u64 istat)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+
+	switch (ppd->sdma_state.current_state) {
+	case qib_sdma_state_s00_hw_down:
+		break;
+
+	case qib_sdma_state_s10_hw_start_up_wait:
+		__qib_sdma_process_event(ppd, qib_sdma_event_e20_hw_started);
+		break;
+
+	case qib_sdma_state_s20_idle:
+		break;
+
+	case qib_sdma_state_s30_sw_clean_up_wait:
+		break;
+
+	case qib_sdma_state_s40_hw_clean_up_wait:
+		break;
+
+	case qib_sdma_state_s50_hw_halt_wait:
+		__qib_sdma_process_event(ppd, qib_sdma_event_e60_hw_halted);
+		break;
+
+	case qib_sdma_state_s99_running:
+		/* too chatty to print here */
+		__qib_sdma_intr(ppd);
+		break;
+	}
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+}
+
+static void qib_wantpiobuf_7220_intr(struct qib_devdata *dd, u32 needint)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->sendctrl_lock, flags);
+	if (needint) {
+		if (!(dd->sendctrl & SYM_MASK(SendCtrl, SendBufAvailUpd)))
+			goto done;
+		/*
+		 * blip the availupd off, next write will be on, so
+		 * we ensure an avail update, regardless of threshold or
+		 * buffers becoming free, whenever we want an interrupt
+		 */
+		qib_write_kreg(dd, kr_sendctrl, dd->sendctrl &
+			~SYM_MASK(SendCtrl, SendBufAvailUpd));
+		qib_write_kreg(dd, kr_scratch, 0ULL);
+		dd->sendctrl |= SYM_MASK(SendCtrl, SendIntBufAvail);
+	} else
+		dd->sendctrl &= ~SYM_MASK(SendCtrl, SendIntBufAvail);
+	qib_write_kreg(dd, kr_sendctrl, dd->sendctrl);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+done:
+	spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+}
+
+/*
+ * Handle errors and unusual events first, separate function
+ * to improve cache hits for fast path interrupt handling.
+ */
+static noinline void unlikely_7220_intr(struct qib_devdata *dd, u64 istat)
+{
+	if (unlikely(istat & ~QLOGIC_IB_I_BITSEXTANT))
+		qib_dev_err(dd,
+			    "interrupt with unknown interrupts %Lx set\n",
+			    istat & ~QLOGIC_IB_I_BITSEXTANT);
+
+	if (istat & QLOGIC_IB_I_GPIO) {
+		u32 gpiostatus;
+
+		/*
+		 * Boards for this chip currently don't use GPIO interrupts,
+		 * so clear by writing GPIOstatus to GPIOclear, and complain
+		 * to alert developer. To avoid endless repeats, clear
+		 * the bits in the mask, since there is some kind of
+		 * programming error or chip problem.
+		 */
+		gpiostatus = qib_read_kreg32(dd, kr_gpio_status);
+		/*
+		 * In theory, writing GPIOstatus to GPIOclear could
+		 * have a bad side-effect on some diagnostic that wanted
+		 * to poll for a status-change, but the various shadows
+		 * make that problematic at best. Diags will just suppress
+		 * all GPIO interrupts during such tests.
+		 */
+		qib_write_kreg(dd, kr_gpio_clear, gpiostatus);
+
+		if (gpiostatus) {
+			const u32 mask = qib_read_kreg32(dd, kr_gpio_mask);
+			u32 gpio_irq = mask & gpiostatus;
+
+			/*
+			 * A bit set in status and (chip) Mask register
+			 * would cause an interrupt. Since we are not
+			 * expecting any, report it. Also check that the
+			 * chip reflects our shadow, report issues,
+			 * and refresh from the shadow.
+			 */
+			/*
+			 * Clear any troublemakers, and update chip
+			 * from shadow
+			 */
+			dd->cspec->gpio_mask &= ~gpio_irq;
+			qib_write_kreg(dd, kr_gpio_mask, dd->cspec->gpio_mask);
+		}
+	}
+
+	if (istat & QLOGIC_IB_I_ERROR) {
+		u64 estat;
+
+		qib_stats.sps_errints++;
+		estat = qib_read_kreg64(dd, kr_errstatus);
+		if (!estat)
+			qib_devinfo(dd->pcidev, "error interrupt (%Lx), "
+				 "but no error bits set!\n", istat);
+		else
+			handle_7220_errors(dd, estat);
+	}
+}
+
+static irqreturn_t qib_7220intr(int irq, void *data)
+{
+	struct qib_devdata *dd = data;
+	irqreturn_t ret;
+	u64 istat;
+	u64 ctxtrbits;
+	u64 rmask;
+	unsigned i;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT) {
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		ret = IRQ_HANDLED;
+		goto bail;
+	}
+
+	istat = qib_read_kreg64(dd, kr_intstatus);
+
+	if (unlikely(!istat)) {
+		ret = IRQ_NONE; /* not our interrupt, or already handled */
+		goto bail;
+	}
+	if (unlikely(istat == -1)) {
+		qib_bad_intrstatus(dd);
+		/* don't know if it was our interrupt or not */
+		ret = IRQ_NONE;
+		goto bail;
+	}
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+	if (unlikely(istat & (~QLOGIC_IB_I_BITSEXTANT |
+			      QLOGIC_IB_I_GPIO | QLOGIC_IB_I_ERROR)))
+		unlikely_7220_intr(dd, istat);
+
+	/*
+	 * Clear the interrupt bits we found set, relatively early, so we
+	 * "know" know the chip will have seen this by the time we process
+	 * the queue, and will re-interrupt if necessary.  The processor
+	 * itself won't take the interrupt again until we return.
+	 */
+	qib_write_kreg(dd, kr_intclear, istat);
+
+	/*
+	 * Handle kernel receive queues before checking for pio buffers
+	 * available since receives can overflow; piobuf waiters can afford
+	 * a few extra cycles, since they were waiting anyway.
+	 */
+	ctxtrbits = istat &
+		((QLOGIC_IB_I_RCVAVAIL_MASK << QLOGIC_IB_I_RCVAVAIL_SHIFT) |
+		 (QLOGIC_IB_I_RCVURG_MASK << QLOGIC_IB_I_RCVURG_SHIFT));
+	if (ctxtrbits) {
+		rmask = (1ULL << QLOGIC_IB_I_RCVAVAIL_SHIFT) |
+			(1ULL << QLOGIC_IB_I_RCVURG_SHIFT);
+		for (i = 0; i < dd->first_user_ctxt; i++) {
+			if (ctxtrbits & rmask) {
+				ctxtrbits &= ~rmask;
+				qib_kreceive(dd->rcd[i], NULL, NULL);
+			}
+			rmask <<= 1;
+		}
+		if (ctxtrbits) {
+			ctxtrbits =
+				(ctxtrbits >> QLOGIC_IB_I_RCVAVAIL_SHIFT) |
+				(ctxtrbits >> QLOGIC_IB_I_RCVURG_SHIFT);
+			qib_handle_urcv(dd, ctxtrbits);
+		}
+	}
+
+	/* only call for SDmaInt */
+	if (istat & QLOGIC_IB_I_SDMAINT)
+		sdma_7220_intr(dd->pport, istat);
+
+	if ((istat & QLOGIC_IB_I_SPIOBUFAVAIL) && (dd->flags & QIB_INITTED))
+		qib_ib_piobufavail(dd);
+
+	ret = IRQ_HANDLED;
+bail:
+	return ret;
+}
+
+/*
+ * Set up our chip-specific interrupt handler.
+ * The interrupt type has already been setup, so
+ * we just need to do the registration and error checking.
+ * If we are using MSI interrupts, we may fall back to
+ * INTx later, if the interrupt handler doesn't get called
+ * within 1/2 second (see verify_interrupt()).
+ */
+static void qib_setup_7220_interrupt(struct qib_devdata *dd)
+{
+	if (!dd->cspec->irq)
+		qib_dev_err(dd, "irq is 0, BIOS error?  Interrupts won't "
+			    "work\n");
+	else {
+		int ret = request_irq(dd->cspec->irq, qib_7220intr,
+			dd->msi_lo ? 0 : IRQF_SHARED,
+			QIB_DRV_NAME, dd);
+
+		if (ret)
+			qib_dev_err(dd, "Couldn't setup %s interrupt "
+				    "(irq=%d): %d\n", dd->msi_lo ?
+				    "MSI" : "INTx", dd->cspec->irq, ret);
+	}
+}
+
+/**
+ * qib_7220_boardname - fill in the board name
+ * @dd: the qlogic_ib device
+ *
+ * info is based on the board revision register
+ */
+static void qib_7220_boardname(struct qib_devdata *dd)
+{
+	char *n;
+	u32 boardid, namelen;
+
+	boardid = SYM_FIELD(dd->revision, Revision,
+			    BoardID);
+
+	switch (boardid) {
+	case 1:
+		n = "InfiniPath_QLE7240";
+		break;
+	case 2:
+		n = "InfiniPath_QLE7280";
+		break;
+	default:
+		qib_dev_err(dd, "Unknown 7220 board with ID %u\n", boardid);
+		n = "Unknown_InfiniPath_7220";
+		break;
+	}
+
+	namelen = strlen(n) + 1;
+	dd->boardname = kmalloc(namelen, GFP_KERNEL);
+	if (!dd->boardname)
+		qib_dev_err(dd, "Failed allocation for board name: %s\n", n);
+	else
+		snprintf(dd->boardname, namelen, "%s", n);
+
+	if (dd->majrev != 5 || !dd->minrev || dd->minrev > 2)
+		qib_dev_err(dd, "Unsupported InfiniPath hardware "
+			    "revision %u.%u!\n",
+			    dd->majrev, dd->minrev);
+
+	snprintf(dd->boardversion, sizeof(dd->boardversion),
+		 "ChipABI %u.%u, %s, InfiniPath%u %u.%u, SW Compat %u\n",
+		 QIB_CHIP_VERS_MAJ, QIB_CHIP_VERS_MIN, dd->boardname,
+		 (unsigned)SYM_FIELD(dd->revision, Revision_R, Arch),
+		 dd->majrev, dd->minrev,
+		 (unsigned)SYM_FIELD(dd->revision, Revision_R, SW));
+}
+
+/*
+ * This routine sleeps, so it can only be called from user context, not
+ * from interrupt context.
+ */
+static int qib_setup_7220_reset(struct qib_devdata *dd)
+{
+	u64 val;
+	int i;
+	int ret;
+	u16 cmdval;
+	u8 int_line, clinesz;
+	unsigned long flags;
+
+	qib_pcie_getcmd(dd, &cmdval, &int_line, &clinesz);
+
+	/* Use dev_err so it shows up in logs, etc. */
+	qib_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->unit);
+
+	/* no interrupts till re-initted */
+	qib_7220_set_intr_state(dd, 0);
+
+	dd->pport->cpspec->ibdeltainprog = 0;
+	dd->pport->cpspec->ibsymdelta = 0;
+	dd->pport->cpspec->iblnkerrdelta = 0;
+
+	/*
+	 * Keep chip from being accessed until we are ready.  Use
+	 * writeq() directly, to allow the write even though QIB_PRESENT
+	 * isnt' set.
+	 */
+	dd->flags &= ~(QIB_INITTED | QIB_PRESENT);
+	dd->int_counter = 0; /* so we check interrupts work again */
+	val = dd->control | QLOGIC_IB_C_RESET;
+	writeq(val, &dd->kregbase[kr_control]);
+	mb(); /* prevent compiler reordering around actual reset */
+
+	for (i = 1; i <= 5; i++) {
+		/*
+		 * Allow MBIST, etc. to complete; longer on each retry.
+		 * We sometimes get machine checks from bus timeout if no
+		 * response, so for now, make it *really* long.
+		 */
+		msleep(1000 + (1 + i) * 2000);
+
+		qib_pcie_reenable(dd, cmdval, int_line, clinesz);
+
+		/*
+		 * Use readq directly, so we don't need to mark it as PRESENT
+		 * until we get a successful indication that all is well.
+		 */
+		val = readq(&dd->kregbase[kr_revision]);
+		if (val == dd->revision) {
+			dd->flags |= QIB_PRESENT; /* it's back */
+			ret = qib_reinit_intr(dd);
+			goto bail;
+		}
+	}
+	ret = 0; /* failed */
+
+bail:
+	if (ret) {
+		if (qib_pcie_params(dd, dd->lbus_width, NULL, NULL))
+			qib_dev_err(dd, "Reset failed to setup PCIe or "
+				    "interrupts; continuing anyway\n");
+
+		/* hold IBC in reset, no sends, etc till later */
+		qib_write_kreg(dd, kr_control, 0ULL);
+
+		/* clear the reset error, init error/hwerror mask */
+		qib_7220_init_hwerrors(dd);
+
+		/* do setup similar to speed or link-width changes */
+		if (dd->pport->cpspec->ibcddrctrl & IBA7220_IBC_IBTA_1_2_MASK)
+			dd->cspec->presets_needed = 1;
+		spin_lock_irqsave(&dd->pport->lflags_lock, flags);
+		dd->pport->lflags |= QIBL_IB_FORCE_NOTIFY;
+		dd->pport->lflags &= ~QIBL_IB_AUTONEG_FAILED;
+		spin_unlock_irqrestore(&dd->pport->lflags_lock, flags);
+	}
+
+	return ret;
+}
+
+/**
+ * qib_7220_put_tid - write a TID to the chip
+ * @dd: the qlogic_ib device
+ * @tidptr: pointer to the expected TID (in chip) to update
+ * @tidtype: 0 for eager, 1 for expected
+ * @pa: physical address of in memory buffer; tidinvalid if freeing
+ */
+static void qib_7220_put_tid(struct qib_devdata *dd, u64 __iomem *tidptr,
+			     u32 type, unsigned long pa)
+{
+	if (pa != dd->tidinvalid) {
+		u64 chippa = pa >> IBA7220_TID_PA_SHIFT;
+
+		/* paranoia checks */
+		if (pa != (chippa << IBA7220_TID_PA_SHIFT)) {
+			qib_dev_err(dd, "Physaddr %lx not 2KB aligned!\n",
+				    pa);
+			return;
+		}
+		if (chippa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
+			qib_dev_err(dd, "Physical page address 0x%lx "
+				"larger than supported\n", pa);
+			return;
+		}
+
+		if (type == RCVHQ_RCV_TYPE_EAGER)
+			chippa |= dd->tidtemplate;
+		else /* for now, always full 4KB page */
+			chippa |= IBA7220_TID_SZ_4K;
+		pa = chippa;
+	}
+	writeq(pa, tidptr);
+	mmiowb();
+}
+
+/**
+ * qib_7220_clear_tids - clear all TID entries for a ctxt, expected and eager
+ * @dd: the qlogic_ib device
+ * @ctxt: the ctxt
+ *
+ * clear all TID entries for a ctxt, expected and eager.
+ * Used from qib_close().  On this chip, TIDs are only 32 bits,
+ * not 64, but they are still on 64 bit boundaries, so tidbase
+ * is declared as u64 * for the pointer math, even though we write 32 bits
+ */
+static void qib_7220_clear_tids(struct qib_devdata *dd,
+				struct qib_ctxtdata *rcd)
+{
+	u64 __iomem *tidbase;
+	unsigned long tidinv;
+	u32 ctxt;
+	int i;
+
+	if (!dd->kregbase || !rcd)
+		return;
+
+	ctxt = rcd->ctxt;
+
+	tidinv = dd->tidinvalid;
+	tidbase = (u64 __iomem *)
+		((char __iomem *)(dd->kregbase) +
+		 dd->rcvtidbase +
+		 ctxt * dd->rcvtidcnt * sizeof(*tidbase));
+
+	for (i = 0; i < dd->rcvtidcnt; i++)
+		qib_7220_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EXPECTED,
+				 tidinv);
+
+	tidbase = (u64 __iomem *)
+		((char __iomem *)(dd->kregbase) +
+		 dd->rcvegrbase +
+		 rcd->rcvegr_tid_base * sizeof(*tidbase));
+
+	for (i = 0; i < rcd->rcvegrcnt; i++)
+		qib_7220_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EAGER,
+				 tidinv);
+}
+
+/**
+ * qib_7220_tidtemplate - setup constants for TID updates
+ * @dd: the qlogic_ib device
+ *
+ * We setup stuff that we use a lot, to avoid calculating each time
+ */
+static void qib_7220_tidtemplate(struct qib_devdata *dd)
+{
+	if (dd->rcvegrbufsize == 2048)
+		dd->tidtemplate = IBA7220_TID_SZ_2K;
+	else if (dd->rcvegrbufsize == 4096)
+		dd->tidtemplate = IBA7220_TID_SZ_4K;
+	dd->tidinvalid = 0;
+}
+
+/**
+ * qib_init_7220_get_base_info - set chip-specific flags for user code
+ * @rcd: the qlogic_ib ctxt
+ * @kbase: qib_base_info pointer
+ *
+ * We set the PCIE flag because the lower bandwidth on PCIe vs
+ * HyperTransport can affect some user packet algorithims.
+ */
+static int qib_7220_get_base_info(struct qib_ctxtdata *rcd,
+				  struct qib_base_info *kinfo)
+{
+	kinfo->spi_runtime_flags |= QIB_RUNTIME_PCIE |
+		QIB_RUNTIME_NODMA_RTAIL | QIB_RUNTIME_SDMA;
+
+	if (rcd->dd->flags & QIB_USE_SPCL_TRIG)
+		kinfo->spi_runtime_flags |= QIB_RUNTIME_SPECIAL_TRIGGER;
+
+	return 0;
+}
+
+static struct qib_message_header *
+qib_7220_get_msgheader(struct qib_devdata *dd, __le32 *rhf_addr)
+{
+	u32 offset = qib_hdrget_offset(rhf_addr);
+
+	return (struct qib_message_header *)
+		(rhf_addr - dd->rhf_offset + offset);
+}
+
+static void qib_7220_config_ctxts(struct qib_devdata *dd)
+{
+	unsigned long flags;
+	u32 nchipctxts;
+
+	nchipctxts = qib_read_kreg32(dd, kr_portcnt);
+	dd->cspec->numctxts = nchipctxts;
+	if (qib_n_krcv_queues > 1) {
+		dd->qpn_mask = 0x3f;
+		dd->first_user_ctxt = qib_n_krcv_queues * dd->num_pports;
+		if (dd->first_user_ctxt > nchipctxts)
+			dd->first_user_ctxt = nchipctxts;
+	} else
+		dd->first_user_ctxt = dd->num_pports;
+	dd->n_krcv_queues = dd->first_user_ctxt;
+
+	if (!qib_cfgctxts) {
+		int nctxts = dd->first_user_ctxt + num_online_cpus();
+
+		if (nctxts <= 5)
+			dd->ctxtcnt = 5;
+		else if (nctxts <= 9)
+			dd->ctxtcnt = 9;
+		else if (nctxts <= nchipctxts)
+			dd->ctxtcnt = nchipctxts;
+	} else if (qib_cfgctxts <= nchipctxts)
+		dd->ctxtcnt = qib_cfgctxts;
+	if (!dd->ctxtcnt) /* none of the above, set to max */
+		dd->ctxtcnt = nchipctxts;
+
+	/*
+	 * Chip can be configured for 5, 9, or 17 ctxts, and choice
+	 * affects number of eager TIDs per ctxt (1K, 2K, 4K).
+	 * Lock to be paranoid about later motion, etc.
+	 */
+	spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
+	if (dd->ctxtcnt > 9)
+		dd->rcvctrl |= 2ULL << IBA7220_R_CTXTCFG_SHIFT;
+	else if (dd->ctxtcnt > 5)
+		dd->rcvctrl |= 1ULL << IBA7220_R_CTXTCFG_SHIFT;
+	/* else configure for default 5 receive ctxts */
+	if (dd->qpn_mask)
+		dd->rcvctrl |= 1ULL << QIB_7220_RcvCtrl_RcvQPMapEnable_LSB;
+	qib_write_kreg(dd, kr_rcvctrl, dd->rcvctrl);
+	spin_unlock_irqrestore(&dd->cspec->rcvmod_lock, flags);
+
+	/* kr_rcvegrcnt changes based on the number of contexts enabled */
+	dd->cspec->rcvegrcnt = qib_read_kreg32(dd, kr_rcvegrcnt);
+	dd->rcvhdrcnt = max(dd->cspec->rcvegrcnt, IBA7220_KRCVEGRCNT);
+}
+
+static int qib_7220_get_ib_cfg(struct qib_pportdata *ppd, int which)
+{
+	int lsb, ret = 0;
+	u64 maskr; /* right-justified mask */
+
+	switch (which) {
+	case QIB_IB_CFG_LWID_ENB: /* Get allowed Link-width */
+		ret = ppd->link_width_enabled;
+		goto done;
+
+	case QIB_IB_CFG_LWID: /* Get currently active Link-width */
+		ret = ppd->link_width_active;
+		goto done;
+
+	case QIB_IB_CFG_SPD_ENB: /* Get allowed Link speeds */
+		ret = ppd->link_speed_enabled;
+		goto done;
+
+	case QIB_IB_CFG_SPD: /* Get current Link spd */
+		ret = ppd->link_speed_active;
+		goto done;
+
+	case QIB_IB_CFG_RXPOL_ENB: /* Get Auto-RX-polarity enable */
+		lsb = IBA7220_IBC_RXPOL_SHIFT;
+		maskr = IBA7220_IBC_RXPOL_MASK;
+		break;
+
+	case QIB_IB_CFG_LREV_ENB: /* Get Auto-Lane-reversal enable */
+		lsb = IBA7220_IBC_LREV_SHIFT;
+		maskr = IBA7220_IBC_LREV_MASK;
+		break;
+
+	case QIB_IB_CFG_LINKLATENCY:
+		ret = qib_read_kreg64(ppd->dd, kr_ibcddrstatus)
+			& IBA7220_DDRSTAT_LINKLAT_MASK;
+		goto done;
+
+	case QIB_IB_CFG_OP_VLS:
+		ret = ppd->vls_operational;
+		goto done;
+
+	case QIB_IB_CFG_VL_HIGH_CAP:
+		ret = 0;
+		goto done;
+
+	case QIB_IB_CFG_VL_LOW_CAP:
+		ret = 0;
+		goto done;
+
+	case QIB_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */
+		ret = SYM_FIELD(ppd->cpspec->ibcctrl, IBCCtrl,
+				OverrunThreshold);
+		goto done;
+
+	case QIB_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */
+		ret = SYM_FIELD(ppd->cpspec->ibcctrl, IBCCtrl,
+				PhyerrThreshold);
+		goto done;
+
+	case QIB_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */
+		/* will only take effect when the link state changes */
+		ret = (ppd->cpspec->ibcctrl &
+		       SYM_MASK(IBCCtrl, LinkDownDefaultState)) ?
+			IB_LINKINITCMD_SLEEP : IB_LINKINITCMD_POLL;
+		goto done;
+
+	case QIB_IB_CFG_HRTBT: /* Get Heartbeat off/enable/auto */
+		lsb = IBA7220_IBC_HRTBT_SHIFT;
+		maskr = IBA7220_IBC_HRTBT_MASK;
+		break;
+
+	case QIB_IB_CFG_PMA_TICKS:
+		/*
+		 * 0x00 = 10x link transfer rate or 4 nsec. for 2.5Gbs
+		 * Since the clock is always 250MHz, the value is 1 or 0.
+		 */
+		ret = (ppd->link_speed_active == QIB_IB_DDR);
+		goto done;
+
+	default:
+		ret = -EINVAL;
+		goto done;
+	}
+	ret = (int)((ppd->cpspec->ibcddrctrl >> lsb) & maskr);
+done:
+	return ret;
+}
+
+static int qib_7220_set_ib_cfg(struct qib_pportdata *ppd, int which, u32 val)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 maskr; /* right-justified mask */
+	int lsb, ret = 0, setforce = 0;
+	u16 lcmd, licmd;
+	unsigned long flags;
+
+	switch (which) {
+	case QIB_IB_CFG_LIDLMC:
+		/*
+		 * Set LID and LMC. Combined to avoid possible hazard
+		 * caller puts LMC in 16MSbits, DLID in 16LSbits of val
+		 */
+		lsb = IBA7220_IBC_DLIDLMC_SHIFT;
+		maskr = IBA7220_IBC_DLIDLMC_MASK;
+		break;
+
+	case QIB_IB_CFG_LWID_ENB: /* set allowed Link-width */
+		/*
+		 * As with speed, only write the actual register if
+		 * the link is currently down, otherwise takes effect
+		 * on next link change.
+		 */
+		ppd->link_width_enabled = val;
+		if (!(ppd->lflags & QIBL_LINKDOWN))
+			goto bail;
+		/*
+		 * We set the QIBL_IB_FORCE_NOTIFY bit so updown
+		 * will get called because we want update
+		 * link_width_active, and the change may not take
+		 * effect for some time (if we are in POLL), so this
+		 * flag will force the updown routine to be called
+		 * on the next ibstatuschange down interrupt, even
+		 * if it's not an down->up transition.
+		 */
+		val--; /* convert from IB to chip */
+		maskr = IBA7220_IBC_WIDTH_MASK;
+		lsb = IBA7220_IBC_WIDTH_SHIFT;
+		setforce = 1;
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags |= QIBL_IB_FORCE_NOTIFY;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		break;
+
+	case QIB_IB_CFG_SPD_ENB: /* set allowed Link speeds */
+		/*
+		 * If we turn off IB1.2, need to preset SerDes defaults,
+		 * but not right now. Set a flag for the next time
+		 * we command the link down.  As with width, only write the
+		 * actual register if the link is currently down, otherwise
+		 * takes effect on next link change.  Since setting is being
+		 * explictly requested (via MAD or sysfs), clear autoneg
+		 * failure status if speed autoneg is enabled.
+		 */
+		ppd->link_speed_enabled = val;
+		if ((ppd->cpspec->ibcddrctrl & IBA7220_IBC_IBTA_1_2_MASK) &&
+		    !(val & (val - 1)))
+			dd->cspec->presets_needed = 1;
+		if (!(ppd->lflags & QIBL_LINKDOWN))
+			goto bail;
+		/*
+		 * We set the QIBL_IB_FORCE_NOTIFY bit so updown
+		 * will get called because we want update
+		 * link_speed_active, and the change may not take
+		 * effect for some time (if we are in POLL), so this
+		 * flag will force the updown routine to be called
+		 * on the next ibstatuschange down interrupt, even
+		 * if it's not an down->up transition.
+		 */
+		if (val == (QIB_IB_SDR | QIB_IB_DDR)) {
+			val = IBA7220_IBC_SPEED_AUTONEG_MASK |
+				IBA7220_IBC_IBTA_1_2_MASK;
+			spin_lock_irqsave(&ppd->lflags_lock, flags);
+			ppd->lflags &= ~QIBL_IB_AUTONEG_FAILED;
+			spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		} else
+			val = val == QIB_IB_DDR ?
+				IBA7220_IBC_SPEED_DDR : IBA7220_IBC_SPEED_SDR;
+		maskr = IBA7220_IBC_SPEED_AUTONEG_MASK |
+			IBA7220_IBC_IBTA_1_2_MASK;
+		/* IBTA 1.2 mode + speed bits are contiguous */
+		lsb = SYM_LSB(IBCDDRCtrl, IB_ENHANCED_MODE);
+		setforce = 1;
+		break;
+
+	case QIB_IB_CFG_RXPOL_ENB: /* set Auto-RX-polarity enable */
+		lsb = IBA7220_IBC_RXPOL_SHIFT;
+		maskr = IBA7220_IBC_RXPOL_MASK;
+		break;
+
+	case QIB_IB_CFG_LREV_ENB: /* set Auto-Lane-reversal enable */
+		lsb = IBA7220_IBC_LREV_SHIFT;
+		maskr = IBA7220_IBC_LREV_MASK;
+		break;
+
+	case QIB_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */
+		maskr = SYM_FIELD(ppd->cpspec->ibcctrl, IBCCtrl,
+				  OverrunThreshold);
+		if (maskr != val) {
+			ppd->cpspec->ibcctrl &=
+				~SYM_MASK(IBCCtrl, OverrunThreshold);
+			ppd->cpspec->ibcctrl |= (u64) val <<
+				SYM_LSB(IBCCtrl, OverrunThreshold);
+			qib_write_kreg(dd, kr_ibcctrl, ppd->cpspec->ibcctrl);
+			qib_write_kreg(dd, kr_scratch, 0);
+		}
+		goto bail;
+
+	case QIB_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */
+		maskr = SYM_FIELD(ppd->cpspec->ibcctrl, IBCCtrl,
+				  PhyerrThreshold);
+		if (maskr != val) {
+			ppd->cpspec->ibcctrl &=
+				~SYM_MASK(IBCCtrl, PhyerrThreshold);
+			ppd->cpspec->ibcctrl |= (u64) val <<
+				SYM_LSB(IBCCtrl, PhyerrThreshold);
+			qib_write_kreg(dd, kr_ibcctrl, ppd->cpspec->ibcctrl);
+			qib_write_kreg(dd, kr_scratch, 0);
+		}
+		goto bail;
+
+	case QIB_IB_CFG_PKEYS: /* update pkeys */
+		maskr = (u64) ppd->pkeys[0] | ((u64) ppd->pkeys[1] << 16) |
+			((u64) ppd->pkeys[2] << 32) |
+			((u64) ppd->pkeys[3] << 48);
+		qib_write_kreg(dd, kr_partitionkey, maskr);
+		goto bail;
+
+	case QIB_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */
+		/* will only take effect when the link state changes */
+		if (val == IB_LINKINITCMD_POLL)
+			ppd->cpspec->ibcctrl &=
+				~SYM_MASK(IBCCtrl, LinkDownDefaultState);
+		else /* SLEEP */
+			ppd->cpspec->ibcctrl |=
+				SYM_MASK(IBCCtrl, LinkDownDefaultState);
+		qib_write_kreg(dd, kr_ibcctrl, ppd->cpspec->ibcctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+		goto bail;
+
+	case QIB_IB_CFG_MTU: /* update the MTU in IBC */
+		/*
+		 * Update our housekeeping variables, and set IBC max
+		 * size, same as init code; max IBC is max we allow in
+		 * buffer, less the qword pbc, plus 1 for ICRC, in dwords
+		 * Set even if it's unchanged, print debug message only
+		 * on changes.
+		 */
+		val = (ppd->ibmaxlen >> 2) + 1;
+		ppd->cpspec->ibcctrl &= ~SYM_MASK(IBCCtrl, MaxPktLen);
+		ppd->cpspec->ibcctrl |= (u64)val << SYM_LSB(IBCCtrl, MaxPktLen);
+		qib_write_kreg(dd, kr_ibcctrl, ppd->cpspec->ibcctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+		goto bail;
+
+	case QIB_IB_CFG_LSTATE: /* set the IB link state */
+		switch (val & 0xffff0000) {
+		case IB_LINKCMD_DOWN:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_DOWN;
+			if (!ppd->cpspec->ibdeltainprog &&
+			    qib_compat_ddr_negotiate) {
+				ppd->cpspec->ibdeltainprog = 1;
+				ppd->cpspec->ibsymsnap =
+					read_7220_creg32(dd, cr_ibsymbolerr);
+				ppd->cpspec->iblnkerrsnap =
+					read_7220_creg32(dd, cr_iblinkerrrecov);
+			}
+			break;
+
+		case IB_LINKCMD_ARMED:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_ARMED;
+			break;
+
+		case IB_LINKCMD_ACTIVE:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_ACTIVE;
+			break;
+
+		default:
+			ret = -EINVAL;
+			qib_dev_err(dd, "bad linkcmd req 0x%x\n", val >> 16);
+			goto bail;
+		}
+		switch (val & 0xffff) {
+		case IB_LINKINITCMD_NOP:
+			licmd = 0;
+			break;
+
+		case IB_LINKINITCMD_POLL:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_POLL;
+			break;
+
+		case IB_LINKINITCMD_SLEEP:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_SLEEP;
+			break;
+
+		case IB_LINKINITCMD_DISABLE:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_DISABLE;
+			ppd->cpspec->chase_end = 0;
+			/*
+			 * stop state chase counter and timer, if running.
+			 * wait forpending timer, but don't clear .data (ppd)!
+			 */
+			if (ppd->cpspec->chase_timer.expires) {
+				del_timer_sync(&ppd->cpspec->chase_timer);
+				ppd->cpspec->chase_timer.expires = 0;
+			}
+			break;
+
+		default:
+			ret = -EINVAL;
+			qib_dev_err(dd, "bad linkinitcmd req 0x%x\n",
+				    val & 0xffff);
+			goto bail;
+		}
+		qib_set_ib_7220_lstate(ppd, lcmd, licmd);
+		goto bail;
+
+	case QIB_IB_CFG_HRTBT: /* set Heartbeat off/enable/auto */
+		if (val > IBA7220_IBC_HRTBT_MASK) {
+			ret = -EINVAL;
+			goto bail;
+		}
+		lsb = IBA7220_IBC_HRTBT_SHIFT;
+		maskr = IBA7220_IBC_HRTBT_MASK;
+		break;
+
+	default:
+		ret = -EINVAL;
+		goto bail;
+	}
+	ppd->cpspec->ibcddrctrl &= ~(maskr << lsb);
+	ppd->cpspec->ibcddrctrl |= (((u64) val & maskr) << lsb);
+	qib_write_kreg(dd, kr_ibcddrctrl, ppd->cpspec->ibcddrctrl);
+	qib_write_kreg(dd, kr_scratch, 0);
+	if (setforce) {
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags |= QIBL_IB_FORCE_NOTIFY;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	}
+bail:
+	return ret;
+}
+
+static int qib_7220_set_loopback(struct qib_pportdata *ppd, const char *what)
+{
+	int ret = 0;
+	u64 val, ddr;
+
+	if (!strncmp(what, "ibc", 3)) {
+		ppd->cpspec->ibcctrl |= SYM_MASK(IBCCtrl, Loopback);
+		val = 0; /* disable heart beat, so link will come up */
+		qib_devinfo(ppd->dd->pcidev, "Enabling IB%u:%u IBC loopback\n",
+			 ppd->dd->unit, ppd->port);
+	} else if (!strncmp(what, "off", 3)) {
+		ppd->cpspec->ibcctrl &= ~SYM_MASK(IBCCtrl, Loopback);
+		/* enable heart beat again */
+		val = IBA7220_IBC_HRTBT_MASK << IBA7220_IBC_HRTBT_SHIFT;
+		qib_devinfo(ppd->dd->pcidev, "Disabling IB%u:%u IBC loopback "
+			    "(normal)\n", ppd->dd->unit, ppd->port);
+	} else
+		ret = -EINVAL;
+	if (!ret) {
+		qib_write_kreg(ppd->dd, kr_ibcctrl, ppd->cpspec->ibcctrl);
+		ddr = ppd->cpspec->ibcddrctrl & ~(IBA7220_IBC_HRTBT_MASK
+					     << IBA7220_IBC_HRTBT_SHIFT);
+		ppd->cpspec->ibcddrctrl = ddr | val;
+		qib_write_kreg(ppd->dd, kr_ibcddrctrl,
+			       ppd->cpspec->ibcddrctrl);
+		qib_write_kreg(ppd->dd, kr_scratch, 0);
+	}
+	return ret;
+}
+
+static void qib_update_7220_usrhead(struct qib_ctxtdata *rcd, u64 hd,
+				    u32 updegr, u32 egrhd)
+{
+	qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+	if (updegr)
+		qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+}
+
+static u32 qib_7220_hdrqempty(struct qib_ctxtdata *rcd)
+{
+	u32 head, tail;
+
+	head = qib_read_ureg32(rcd->dd, ur_rcvhdrhead, rcd->ctxt);
+	if (rcd->rcvhdrtail_kvaddr)
+		tail = qib_get_rcvhdrtail(rcd);
+	else
+		tail = qib_read_ureg32(rcd->dd, ur_rcvhdrtail, rcd->ctxt);
+	return head == tail;
+}
+
+/*
+ * Modify the RCVCTRL register in chip-specific way. This
+ * is a function because bit positions and (future) register
+ * location is chip-specifc, but the needed operations are
+ * generic. <op> is a bit-mask because we often want to
+ * do multiple modifications.
+ */
+static void rcvctrl_7220_mod(struct qib_pportdata *ppd, unsigned int op,
+			     int ctxt)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 mask, val;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
+	if (op & QIB_RCVCTRL_TAILUPD_ENB)
+		dd->rcvctrl |= (1ULL << IBA7220_R_TAILUPD_SHIFT);
+	if (op & QIB_RCVCTRL_TAILUPD_DIS)
+		dd->rcvctrl &= ~(1ULL << IBA7220_R_TAILUPD_SHIFT);
+	if (op & QIB_RCVCTRL_PKEY_ENB)
+		dd->rcvctrl &= ~(1ULL << IBA7220_R_PKEY_DIS_SHIFT);
+	if (op & QIB_RCVCTRL_PKEY_DIS)
+		dd->rcvctrl |= (1ULL << IBA7220_R_PKEY_DIS_SHIFT);
+	if (ctxt < 0)
+		mask = (1ULL << dd->ctxtcnt) - 1;
+	else
+		mask = (1ULL << ctxt);
+	if (op & QIB_RCVCTRL_CTXT_ENB) {
+		/* always done for specific ctxt */
+		dd->rcvctrl |= (mask << SYM_LSB(RcvCtrl, PortEnable));
+		if (!(dd->flags & QIB_NODMA_RTAIL))
+			dd->rcvctrl |= 1ULL << IBA7220_R_TAILUPD_SHIFT;
+		/* Write these registers before the context is enabled. */
+		qib_write_kreg_ctxt(dd, kr_rcvhdrtailaddr, ctxt,
+			dd->rcd[ctxt]->rcvhdrqtailaddr_phys);
+		qib_write_kreg_ctxt(dd, kr_rcvhdraddr, ctxt,
+			dd->rcd[ctxt]->rcvhdrq_phys);
+		dd->rcd[ctxt]->seq_cnt = 1;
+	}
+	if (op & QIB_RCVCTRL_CTXT_DIS)
+		dd->rcvctrl &= ~(mask << SYM_LSB(RcvCtrl, PortEnable));
+	if (op & QIB_RCVCTRL_INTRAVAIL_ENB)
+		dd->rcvctrl |= (mask << IBA7220_R_INTRAVAIL_SHIFT);
+	if (op & QIB_RCVCTRL_INTRAVAIL_DIS)
+		dd->rcvctrl &= ~(mask << IBA7220_R_INTRAVAIL_SHIFT);
+	qib_write_kreg(dd, kr_rcvctrl, dd->rcvctrl);
+	if ((op & QIB_RCVCTRL_INTRAVAIL_ENB) && dd->rhdrhead_intr_off) {
+		/* arm rcv interrupt */
+		val = qib_read_ureg32(dd, ur_rcvhdrhead, ctxt) |
+			dd->rhdrhead_intr_off;
+		qib_write_ureg(dd, ur_rcvhdrhead, val, ctxt);
+	}
+	if (op & QIB_RCVCTRL_CTXT_ENB) {
+		/*
+		 * Init the context registers also; if we were
+		 * disabled, tail and head should both be zero
+		 * already from the enable, but since we don't
+		 * know, we have to do it explictly.
+		 */
+		val = qib_read_ureg32(dd, ur_rcvegrindextail, ctxt);
+		qib_write_ureg(dd, ur_rcvegrindexhead, val, ctxt);
+
+		val = qib_read_ureg32(dd, ur_rcvhdrtail, ctxt);
+		dd->rcd[ctxt]->head = val;
+		/* If kctxt, interrupt on next receive. */
+		if (ctxt < dd->first_user_ctxt)
+			val |= dd->rhdrhead_intr_off;
+		qib_write_ureg(dd, ur_rcvhdrhead, val, ctxt);
+	}
+	if (op & QIB_RCVCTRL_CTXT_DIS) {
+		if (ctxt >= 0) {
+			qib_write_kreg_ctxt(dd, kr_rcvhdrtailaddr, ctxt, 0);
+			qib_write_kreg_ctxt(dd, kr_rcvhdraddr, ctxt, 0);
+		} else {
+			unsigned i;
+
+			for (i = 0; i < dd->cfgctxts; i++) {
+				qib_write_kreg_ctxt(dd, kr_rcvhdrtailaddr,
+						    i, 0);
+				qib_write_kreg_ctxt(dd, kr_rcvhdraddr, i, 0);
+			}
+		}
+	}
+	spin_unlock_irqrestore(&dd->cspec->rcvmod_lock, flags);
+}
+
+/*
+ * Modify the SENDCTRL register in chip-specific way. This
+ * is a function there may be multiple such registers with
+ * slightly different layouts. To start, we assume the
+ * "canonical" register layout of the first chips.
+ * Chip requires no back-back sendctrl writes, so write
+ * scratch register after writing sendctrl
+ */
+static void sendctrl_7220_mod(struct qib_pportdata *ppd, u32 op)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 tmp_dd_sendctrl;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->sendctrl_lock, flags);
+
+	/* First the ones that are "sticky", saved in shadow */
+	if (op & QIB_SENDCTRL_CLEAR)
+		dd->sendctrl = 0;
+	if (op & QIB_SENDCTRL_SEND_DIS)
+		dd->sendctrl &= ~SYM_MASK(SendCtrl, SPioEnable);
+	else if (op & QIB_SENDCTRL_SEND_ENB) {
+		dd->sendctrl |= SYM_MASK(SendCtrl, SPioEnable);
+		if (dd->flags & QIB_USE_SPCL_TRIG)
+			dd->sendctrl |= SYM_MASK(SendCtrl,
+						 SSpecialTriggerEn);
+	}
+	if (op & QIB_SENDCTRL_AVAIL_DIS)
+		dd->sendctrl &= ~SYM_MASK(SendCtrl, SendBufAvailUpd);
+	else if (op & QIB_SENDCTRL_AVAIL_ENB)
+		dd->sendctrl |= SYM_MASK(SendCtrl, SendBufAvailUpd);
+
+	if (op & QIB_SENDCTRL_DISARM_ALL) {
+		u32 i, last;
+
+		tmp_dd_sendctrl = dd->sendctrl;
+		/*
+		 * disarm any that are not yet launched, disabling sends
+		 * and updates until done.
+		 */
+		last = dd->piobcnt2k + dd->piobcnt4k;
+		tmp_dd_sendctrl &=
+			~(SYM_MASK(SendCtrl, SPioEnable) |
+			  SYM_MASK(SendCtrl, SendBufAvailUpd));
+		for (i = 0; i < last; i++) {
+			qib_write_kreg(dd, kr_sendctrl,
+				       tmp_dd_sendctrl |
+				       SYM_MASK(SendCtrl, Disarm) | i);
+			qib_write_kreg(dd, kr_scratch, 0);
+		}
+	}
+
+	tmp_dd_sendctrl = dd->sendctrl;
+
+	if (op & QIB_SENDCTRL_FLUSH)
+		tmp_dd_sendctrl |= SYM_MASK(SendCtrl, Abort);
+	if (op & QIB_SENDCTRL_DISARM)
+		tmp_dd_sendctrl |= SYM_MASK(SendCtrl, Disarm) |
+			((op & QIB_7220_SendCtrl_DisarmPIOBuf_RMASK) <<
+			 SYM_LSB(SendCtrl, DisarmPIOBuf));
+	if ((op & QIB_SENDCTRL_AVAIL_BLIP) &&
+	    (dd->sendctrl & SYM_MASK(SendCtrl, SendBufAvailUpd)))
+		tmp_dd_sendctrl &= ~SYM_MASK(SendCtrl, SendBufAvailUpd);
+
+	qib_write_kreg(dd, kr_sendctrl, tmp_dd_sendctrl);
+	qib_write_kreg(dd, kr_scratch, 0);
+
+	if (op & QIB_SENDCTRL_AVAIL_BLIP) {
+		qib_write_kreg(dd, kr_sendctrl, dd->sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+	}
+
+	spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+
+	if (op & QIB_SENDCTRL_FLUSH) {
+		u32 v;
+		/*
+		 * ensure writes have hit chip, then do a few
+		 * more reads, to allow DMA of pioavail registers
+		 * to occur, so in-memory copy is in sync with
+		 * the chip.  Not always safe to sleep.
+		 */
+		v = qib_read_kreg32(dd, kr_scratch);
+		qib_write_kreg(dd, kr_scratch, v);
+		v = qib_read_kreg32(dd, kr_scratch);
+		qib_write_kreg(dd, kr_scratch, v);
+		qib_read_kreg32(dd, kr_scratch);
+	}
+}
+
+/**
+ * qib_portcntr_7220 - read a per-port counter
+ * @dd: the qlogic_ib device
+ * @creg: the counter to snapshot
+ */
+static u64 qib_portcntr_7220(struct qib_pportdata *ppd, u32 reg)
+{
+	u64 ret = 0ULL;
+	struct qib_devdata *dd = ppd->dd;
+	u16 creg;
+	/* 0xffff for unimplemented or synthesized counters */
+	static const u16 xlator[] = {
+		[QIBPORTCNTR_PKTSEND] = cr_pktsend,
+		[QIBPORTCNTR_WORDSEND] = cr_wordsend,
+		[QIBPORTCNTR_PSXMITDATA] = cr_psxmitdatacount,
+		[QIBPORTCNTR_PSXMITPKTS] = cr_psxmitpktscount,
+		[QIBPORTCNTR_PSXMITWAIT] = cr_psxmitwaitcount,
+		[QIBPORTCNTR_SENDSTALL] = cr_sendstall,
+		[QIBPORTCNTR_PKTRCV] = cr_pktrcv,
+		[QIBPORTCNTR_PSRCVDATA] = cr_psrcvdatacount,
+		[QIBPORTCNTR_PSRCVPKTS] = cr_psrcvpktscount,
+		[QIBPORTCNTR_RCVEBP] = cr_rcvebp,
+		[QIBPORTCNTR_RCVOVFL] = cr_rcvovfl,
+		[QIBPORTCNTR_WORDRCV] = cr_wordrcv,
+		[QIBPORTCNTR_RXDROPPKT] = cr_rxdroppkt,
+		[QIBPORTCNTR_RXLOCALPHYERR] = cr_rxotherlocalphyerr,
+		[QIBPORTCNTR_RXVLERR] = cr_rxvlerr,
+		[QIBPORTCNTR_ERRICRC] = cr_erricrc,
+		[QIBPORTCNTR_ERRVCRC] = cr_errvcrc,
+		[QIBPORTCNTR_ERRLPCRC] = cr_errlpcrc,
+		[QIBPORTCNTR_BADFORMAT] = cr_badformat,
+		[QIBPORTCNTR_ERR_RLEN] = cr_err_rlen,
+		[QIBPORTCNTR_IBSYMBOLERR] = cr_ibsymbolerr,
+		[QIBPORTCNTR_INVALIDRLEN] = cr_invalidrlen,
+		[QIBPORTCNTR_UNSUPVL] = cr_txunsupvl,
+		[QIBPORTCNTR_EXCESSBUFOVFL] = cr_excessbufferovfl,
+		[QIBPORTCNTR_ERRLINK] = cr_errlink,
+		[QIBPORTCNTR_IBLINKDOWN] = cr_iblinkdown,
+		[QIBPORTCNTR_IBLINKERRRECOV] = cr_iblinkerrrecov,
+		[QIBPORTCNTR_LLI] = cr_locallinkintegrityerr,
+		[QIBPORTCNTR_PSINTERVAL] = cr_psinterval,
+		[QIBPORTCNTR_PSSTART] = cr_psstart,
+		[QIBPORTCNTR_PSSTAT] = cr_psstat,
+		[QIBPORTCNTR_VL15PKTDROP] = cr_vl15droppedpkt,
+		[QIBPORTCNTR_ERRPKEY] = cr_errpkey,
+		[QIBPORTCNTR_KHDROVFL] = 0xffff,
+	};
+
+	if (reg >= ARRAY_SIZE(xlator)) {
+		qib_devinfo(ppd->dd->pcidev,
+			 "Unimplemented portcounter %u\n", reg);
+		goto done;
+	}
+	creg = xlator[reg];
+
+	if (reg == QIBPORTCNTR_KHDROVFL) {
+		int i;
+
+		/* sum over all kernel contexts */
+		for (i = 0; i < dd->first_user_ctxt; i++)
+			ret += read_7220_creg32(dd, cr_portovfl + i);
+	}
+	if (creg == 0xffff)
+		goto done;
+
+	/*
+	 * only fast incrementing counters are 64bit; use 32 bit reads to
+	 * avoid two independent reads when on opteron
+	 */
+	if ((creg == cr_wordsend || creg == cr_wordrcv ||
+	     creg == cr_pktsend || creg == cr_pktrcv))
+		ret = read_7220_creg(dd, creg);
+	else
+		ret = read_7220_creg32(dd, creg);
+	if (creg == cr_ibsymbolerr) {
+		if (dd->pport->cpspec->ibdeltainprog)
+			ret -= ret - ppd->cpspec->ibsymsnap;
+		ret -= dd->pport->cpspec->ibsymdelta;
+	} else if (creg == cr_iblinkerrrecov) {
+		if (dd->pport->cpspec->ibdeltainprog)
+			ret -= ret - ppd->cpspec->iblnkerrsnap;
+		ret -= dd->pport->cpspec->iblnkerrdelta;
+	}
+done:
+	return ret;
+}
+
+/*
+ * Device counter names (not port-specific), one line per stat,
+ * single string.  Used by utilities like ipathstats to print the stats
+ * in a way which works for different versions of drivers, without changing
+ * the utility.  Names need to be 12 chars or less (w/o newline), for proper
+ * display by utility.
+ * Non-error counters are first.
+ * Start of "error" conters is indicated by a leading "E " on the first
+ * "error" counter, and doesn't count in label length.
+ * The EgrOvfl list needs to be last so we truncate them at the configured
+ * context count for the device.
+ * cntr7220indices contains the corresponding register indices.
+ */
+static const char cntr7220names[] =
+	"Interrupts\n"
+	"HostBusStall\n"
+	"E RxTIDFull\n"
+	"RxTIDInvalid\n"
+	"Ctxt0EgrOvfl\n"
+	"Ctxt1EgrOvfl\n"
+	"Ctxt2EgrOvfl\n"
+	"Ctxt3EgrOvfl\n"
+	"Ctxt4EgrOvfl\n"
+	"Ctxt5EgrOvfl\n"
+	"Ctxt6EgrOvfl\n"
+	"Ctxt7EgrOvfl\n"
+	"Ctxt8EgrOvfl\n"
+	"Ctxt9EgrOvfl\n"
+	"Ctx10EgrOvfl\n"
+	"Ctx11EgrOvfl\n"
+	"Ctx12EgrOvfl\n"
+	"Ctx13EgrOvfl\n"
+	"Ctx14EgrOvfl\n"
+	"Ctx15EgrOvfl\n"
+	"Ctx16EgrOvfl\n";
+
+static const size_t cntr7220indices[] = {
+	cr_lbint,
+	cr_lbflowstall,
+	cr_errtidfull,
+	cr_errtidvalid,
+	cr_portovfl + 0,
+	cr_portovfl + 1,
+	cr_portovfl + 2,
+	cr_portovfl + 3,
+	cr_portovfl + 4,
+	cr_portovfl + 5,
+	cr_portovfl + 6,
+	cr_portovfl + 7,
+	cr_portovfl + 8,
+	cr_portovfl + 9,
+	cr_portovfl + 10,
+	cr_portovfl + 11,
+	cr_portovfl + 12,
+	cr_portovfl + 13,
+	cr_portovfl + 14,
+	cr_portovfl + 15,
+	cr_portovfl + 16,
+};
+
+/*
+ * same as cntr7220names and cntr7220indices, but for port-specific counters.
+ * portcntr7220indices is somewhat complicated by some registers needing
+ * adjustments of various kinds, and those are ORed with _PORT_VIRT_FLAG
+ */
+static const char portcntr7220names[] =
+	"TxPkt\n"
+	"TxFlowPkt\n"
+	"TxWords\n"
+	"RxPkt\n"
+	"RxFlowPkt\n"
+	"RxWords\n"
+	"TxFlowStall\n"
+	"TxDmaDesc\n"  /* 7220 and 7322-only */
+	"E RxDlidFltr\n"  /* 7220 and 7322-only */
+	"IBStatusChng\n"
+	"IBLinkDown\n"
+	"IBLnkRecov\n"
+	"IBRxLinkErr\n"
+	"IBSymbolErr\n"
+	"RxLLIErr\n"
+	"RxBadFormat\n"
+	"RxBadLen\n"
+	"RxBufOvrfl\n"
+	"RxEBP\n"
+	"RxFlowCtlErr\n"
+	"RxICRCerr\n"
+	"RxLPCRCerr\n"
+	"RxVCRCerr\n"
+	"RxInvalLen\n"
+	"RxInvalPKey\n"
+	"RxPktDropped\n"
+	"TxBadLength\n"
+	"TxDropped\n"
+	"TxInvalLen\n"
+	"TxUnderrun\n"
+	"TxUnsupVL\n"
+	"RxLclPhyErr\n" /* 7220 and 7322-only */
+	"RxVL15Drop\n" /* 7220 and 7322-only */
+	"RxVlErr\n" /* 7220 and 7322-only */
+	"XcessBufOvfl\n" /* 7220 and 7322-only */
+	;
+
+#define _PORT_VIRT_FLAG 0x8000 /* "virtual", need adjustments */
+static const size_t portcntr7220indices[] = {
+	QIBPORTCNTR_PKTSEND | _PORT_VIRT_FLAG,
+	cr_pktsendflow,
+	QIBPORTCNTR_WORDSEND | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_PKTRCV | _PORT_VIRT_FLAG,
+	cr_pktrcvflowctrl,
+	QIBPORTCNTR_WORDRCV | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_SENDSTALL | _PORT_VIRT_FLAG,
+	cr_txsdmadesc,
+	cr_rxdlidfltr,
+	cr_ibstatuschange,
+	QIBPORTCNTR_IBLINKDOWN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_IBLINKERRRECOV | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRLINK | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_IBSYMBOLERR | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_LLI | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_BADFORMAT | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERR_RLEN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RCVOVFL | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RCVEBP | _PORT_VIRT_FLAG,
+	cr_rcvflowctrl_err,
+	QIBPORTCNTR_ERRICRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRLPCRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRVCRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_INVALIDRLEN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRPKEY | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RXDROPPKT | _PORT_VIRT_FLAG,
+	cr_invalidslen,
+	cr_senddropped,
+	cr_errslen,
+	cr_sendunderrun,
+	cr_txunsupvl,
+	QIBPORTCNTR_RXLOCALPHYERR | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_VL15PKTDROP | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RXVLERR | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_EXCESSBUFOVFL | _PORT_VIRT_FLAG,
+};
+
+/* do all the setup to make the counter reads efficient later */
+static void init_7220_cntrnames(struct qib_devdata *dd)
+{
+	int i, j = 0;
+	char *s;
+
+	for (i = 0, s = (char *)cntr7220names; s && j <= dd->cfgctxts;
+	     i++) {
+		/* we always have at least one counter before the egrovfl */
+		if (!j && !strncmp("Ctxt0EgrOvfl", s + 1, 12))
+			j = 1;
+		s = strchr(s + 1, '\n');
+		if (s && j)
+			j++;
+	}
+	dd->cspec->ncntrs = i;
+	if (!s)
+		/* full list; size is without terminating null */
+		dd->cspec->cntrnamelen = sizeof(cntr7220names) - 1;
+	else
+		dd->cspec->cntrnamelen = 1 + s - cntr7220names;
+	dd->cspec->cntrs = kmalloc(dd->cspec->ncntrs
+		* sizeof(u64), GFP_KERNEL);
+	if (!dd->cspec->cntrs)
+		qib_dev_err(dd, "Failed allocation for counters\n");
+
+	for (i = 0, s = (char *)portcntr7220names; s; i++)
+		s = strchr(s + 1, '\n');
+	dd->cspec->nportcntrs = i - 1;
+	dd->cspec->portcntrnamelen = sizeof(portcntr7220names) - 1;
+	dd->cspec->portcntrs = kmalloc(dd->cspec->nportcntrs
+		* sizeof(u64), GFP_KERNEL);
+	if (!dd->cspec->portcntrs)
+		qib_dev_err(dd, "Failed allocation for portcounters\n");
+}
+
+static u32 qib_read_7220cntrs(struct qib_devdata *dd, loff_t pos, char **namep,
+			      u64 **cntrp)
+{
+	u32 ret;
+
+	if (!dd->cspec->cntrs) {
+		ret = 0;
+		goto done;
+	}
+
+	if (namep) {
+		*namep = (char *)cntr7220names;
+		ret = dd->cspec->cntrnamelen;
+		if (pos >= ret)
+			ret = 0; /* final read after getting everything */
+	} else {
+		u64 *cntr = dd->cspec->cntrs;
+		int i;
+
+		ret = dd->cspec->ncntrs * sizeof(u64);
+		if (!cntr || pos >= ret) {
+			/* everything read, or couldn't get memory */
+			ret = 0;
+			goto done;
+		}
+
+		*cntrp = cntr;
+		for (i = 0; i < dd->cspec->ncntrs; i++)
+			*cntr++ = read_7220_creg32(dd, cntr7220indices[i]);
+	}
+done:
+	return ret;
+}
+
+static u32 qib_read_7220portcntrs(struct qib_devdata *dd, loff_t pos, u32 port,
+				  char **namep, u64 **cntrp)
+{
+	u32 ret;
+
+	if (!dd->cspec->portcntrs) {
+		ret = 0;
+		goto done;
+	}
+	if (namep) {
+		*namep = (char *)portcntr7220names;
+		ret = dd->cspec->portcntrnamelen;
+		if (pos >= ret)
+			ret = 0; /* final read after getting everything */
+	} else {
+		u64 *cntr = dd->cspec->portcntrs;
+		struct qib_pportdata *ppd = &dd->pport[port];
+		int i;
+
+		ret = dd->cspec->nportcntrs * sizeof(u64);
+		if (!cntr || pos >= ret) {
+			/* everything read, or couldn't get memory */
+			ret = 0;
+			goto done;
+		}
+		*cntrp = cntr;
+		for (i = 0; i < dd->cspec->nportcntrs; i++) {
+			if (portcntr7220indices[i] & _PORT_VIRT_FLAG)
+				*cntr++ = qib_portcntr_7220(ppd,
+					portcntr7220indices[i] &
+					~_PORT_VIRT_FLAG);
+			else
+				*cntr++ = read_7220_creg32(dd,
+					   portcntr7220indices[i]);
+		}
+	}
+done:
+	return ret;
+}
+
+/**
+ * qib_get_7220_faststats - get word counters from chip before they overflow
+ * @opaque - contains a pointer to the qlogic_ib device qib_devdata
+ *
+ * This needs more work; in particular, decision on whether we really
+ * need traffic_wds done the way it is
+ * called from add_timer
+ */
+static void qib_get_7220_faststats(unsigned long opaque)
+{
+	struct qib_devdata *dd = (struct qib_devdata *) opaque;
+	struct qib_pportdata *ppd = dd->pport;
+	unsigned long flags;
+	u64 traffic_wds;
+
+	/*
+	 * don't access the chip while running diags, or memory diags can
+	 * fail
+	 */
+	if (!(dd->flags & QIB_INITTED) || dd->diag_client)
+		/* but re-arm the timer, for diags case; won't hurt other */
+		goto done;
+
+	/*
+	 * We now try to maintain an activity timer, based on traffic
+	 * exceeding a threshold, so we need to check the word-counts
+	 * even if they are 64-bit.
+	 */
+	traffic_wds = qib_portcntr_7220(ppd, cr_wordsend) +
+		qib_portcntr_7220(ppd, cr_wordrcv);
+	spin_lock_irqsave(&dd->eep_st_lock, flags);
+	traffic_wds -= dd->traffic_wds;
+	dd->traffic_wds += traffic_wds;
+	if (traffic_wds  >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
+		atomic_add(5, &dd->active_time); /* S/B #define */
+	spin_unlock_irqrestore(&dd->eep_st_lock, flags);
+done:
+	mod_timer(&dd->stats_timer, jiffies + HZ * ACTIVITY_TIMER);
+}
+
+/*
+ * If we are using MSI, try to fallback to INTx.
+ */
+static int qib_7220_intr_fallback(struct qib_devdata *dd)
+{
+	if (!dd->msi_lo)
+		return 0;
+
+	qib_devinfo(dd->pcidev, "MSI interrupt not detected,"
+		 " trying INTx interrupts\n");
+	qib_7220_free_irq(dd);
+	qib_enable_intx(dd->pcidev);
+	/*
+	 * Some newer kernels require free_irq before disable_msi,
+	 * and irq can be changed during disable and INTx enable
+	 * and we need to therefore use the pcidev->irq value,
+	 * not our saved MSI value.
+	 */
+	dd->cspec->irq = dd->pcidev->irq;
+	qib_setup_7220_interrupt(dd);
+	return 1;
+}
+
+/*
+ * Reset the XGXS (between serdes and IBC).  Slightly less intrusive
+ * than resetting the IBC or external link state, and useful in some
+ * cases to cause some retraining.  To do this right, we reset IBC
+ * as well.
+ */
+static void qib_7220_xgxs_reset(struct qib_pportdata *ppd)
+{
+	u64 val, prev_val;
+	struct qib_devdata *dd = ppd->dd;
+
+	prev_val = qib_read_kreg64(dd, kr_xgxs_cfg);
+	val = prev_val | QLOGIC_IB_XGXS_RESET;
+	prev_val &= ~QLOGIC_IB_XGXS_RESET; /* be sure */
+	qib_write_kreg(dd, kr_control,
+		       dd->control & ~QLOGIC_IB_C_LINKENABLE);
+	qib_write_kreg(dd, kr_xgxs_cfg, val);
+	qib_read_kreg32(dd, kr_scratch);
+	qib_write_kreg(dd, kr_xgxs_cfg, prev_val);
+	qib_write_kreg(dd, kr_control, dd->control);
+}
+
+/*
+ * For this chip, we want to use the same buffer every time
+ * when we are trying to bring the link up (they are always VL15
+ * packets).  At that link state the packet should always go out immediately
+ * (or at least be discarded at the tx interface if the link is down).
+ * If it doesn't, and the buffer isn't available, that means some other
+ * sender has gotten ahead of us, and is preventing our packet from going
+ * out.  In that case, we flush all packets, and try again.  If that still
+ * fails, we fail the request, and hope things work the next time around.
+ *
+ * We don't need very complicated heuristics on whether the packet had
+ * time to go out or not, since even at SDR 1X, it goes out in very short
+ * time periods, covered by the chip reads done here and as part of the
+ * flush.
+ */
+static u32 __iomem *get_7220_link_buf(struct qib_pportdata *ppd, u32 *bnum)
+{
+	u32 __iomem *buf;
+	u32 lbuf = ppd->dd->cspec->lastbuf_for_pio;
+	int do_cleanup;
+	unsigned long flags;
+
+	/*
+	 * always blip to get avail list updated, since it's almost
+	 * always needed, and is fairly cheap.
+	 */
+	sendctrl_7220_mod(ppd->dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+	qib_read_kreg64(ppd->dd, kr_scratch); /* extra chip flush */
+	buf = qib_getsendbuf_range(ppd->dd, bnum, lbuf, lbuf);
+	if (buf)
+		goto done;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+	if (ppd->sdma_state.current_state == qib_sdma_state_s20_idle &&
+	    ppd->sdma_state.current_state != qib_sdma_state_s00_hw_down) {
+		__qib_sdma_process_event(ppd, qib_sdma_event_e00_go_hw_down);
+		do_cleanup = 0;
+	} else {
+		do_cleanup = 1;
+		qib_7220_sdma_hw_clean_up(ppd);
+	}
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+
+	if (do_cleanup) {
+		qib_read_kreg64(ppd->dd, kr_scratch); /* extra chip flush */
+		buf = qib_getsendbuf_range(ppd->dd, bnum, lbuf, lbuf);
+	}
+done:
+	return buf;
+}
+
+/*
+ * This code for non-IBTA-compliant IB speed negotiation is only known to
+ * work for the SDR to DDR transition, and only between an HCA and a switch
+ * with recent firmware.  It is based on observed heuristics, rather than
+ * actual knowledge of the non-compliant speed negotiation.
+ * It has a number of hard-coded fields, since the hope is to rewrite this
+ * when a spec is available on how the negoation is intended to work.
+ */
+static void autoneg_7220_sendpkt(struct qib_pportdata *ppd, u32 *hdr,
+				 u32 dcnt, u32 *data)
+{
+	int i;
+	u64 pbc;
+	u32 __iomem *piobuf;
+	u32 pnum;
+	struct qib_devdata *dd = ppd->dd;
+
+	i = 0;
+	pbc = 7 + dcnt + 1; /* 7 dword header, dword data, icrc */
+	pbc |= PBC_7220_VL15_SEND;
+	while (!(piobuf = get_7220_link_buf(ppd, &pnum))) {
+		if (i++ > 5)
+			return;
+		udelay(2);
+	}
+	sendctrl_7220_mod(dd->pport, QIB_SENDCTRL_DISARM_BUF(pnum));
+	writeq(pbc, piobuf);
+	qib_flush_wc();
+	qib_pio_copy(piobuf + 2, hdr, 7);
+	qib_pio_copy(piobuf + 9, data, dcnt);
+	if (dd->flags & QIB_USE_SPCL_TRIG) {
+		u32 spcl_off = (pnum >= dd->piobcnt2k) ? 2047 : 1023;
+
+		qib_flush_wc();
+		__raw_writel(0xaebecede, piobuf + spcl_off);
+	}
+	qib_flush_wc();
+	qib_sendbuf_done(dd, pnum);
+}
+
+/*
+ * _start packet gets sent twice at start, _done gets sent twice at end
+ */
+static void autoneg_7220_send(struct qib_pportdata *ppd, int which)
+{
+	struct qib_devdata *dd = ppd->dd;
+	static u32 swapped;
+	u32 dw, i, hcnt, dcnt, *data;
+	static u32 hdr[7] = { 0xf002ffff, 0x48ffff, 0x6400abba };
+	static u32 madpayload_start[0x40] = {
+		0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
+		0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+		0x1, 0x1388, 0x15e, 0x1, /* rest 0's */
+		};
+	static u32 madpayload_done[0x40] = {
+		0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
+		0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+		0x40000001, 0x1388, 0x15e, /* rest 0's */
+		};
+
+	dcnt = ARRAY_SIZE(madpayload_start);
+	hcnt = ARRAY_SIZE(hdr);
+	if (!swapped) {
+		/* for maintainability, do it at runtime */
+		for (i = 0; i < hcnt; i++) {
+			dw = (__force u32) cpu_to_be32(hdr[i]);
+			hdr[i] = dw;
+		}
+		for (i = 0; i < dcnt; i++) {
+			dw = (__force u32) cpu_to_be32(madpayload_start[i]);
+			madpayload_start[i] = dw;
+			dw = (__force u32) cpu_to_be32(madpayload_done[i]);
+			madpayload_done[i] = dw;
+		}
+		swapped = 1;
+	}
+
+	data = which ? madpayload_done : madpayload_start;
+
+	autoneg_7220_sendpkt(ppd, hdr, dcnt, data);
+	qib_read_kreg64(dd, kr_scratch);
+	udelay(2);
+	autoneg_7220_sendpkt(ppd, hdr, dcnt, data);
+	qib_read_kreg64(dd, kr_scratch);
+	udelay(2);
+}
+
+/*
+ * Do the absolute minimum to cause an IB speed change, and make it
+ * ready, but don't actually trigger the change.   The caller will
+ * do that when ready (if link is in Polling training state, it will
+ * happen immediately, otherwise when link next goes down)
+ *
+ * This routine should only be used as part of the DDR autonegotation
+ * code for devices that are not compliant with IB 1.2 (or code that
+ * fixes things up for same).
+ *
+ * When link has gone down, and autoneg enabled, or autoneg has
+ * failed and we give up until next time we set both speeds, and
+ * then we want IBTA enabled as well as "use max enabled speed.
+ */
+static void set_7220_ibspeed_fast(struct qib_pportdata *ppd, u32 speed)
+{
+	ppd->cpspec->ibcddrctrl &= ~(IBA7220_IBC_SPEED_AUTONEG_MASK |
+		IBA7220_IBC_IBTA_1_2_MASK);
+
+	if (speed == (QIB_IB_SDR | QIB_IB_DDR))
+		ppd->cpspec->ibcddrctrl |= IBA7220_IBC_SPEED_AUTONEG_MASK |
+			IBA7220_IBC_IBTA_1_2_MASK;
+	else
+		ppd->cpspec->ibcddrctrl |= speed == QIB_IB_DDR ?
+			IBA7220_IBC_SPEED_DDR : IBA7220_IBC_SPEED_SDR;
+
+	qib_write_kreg(ppd->dd, kr_ibcddrctrl, ppd->cpspec->ibcddrctrl);
+	qib_write_kreg(ppd->dd, kr_scratch, 0);
+}
+
+/*
+ * This routine is only used when we are not talking to another
+ * IB 1.2-compliant device that we think can do DDR.
+ * (This includes all existing switch chips as of Oct 2007.)
+ * 1.2-compliant devices go directly to DDR prior to reaching INIT
+ */
+static void try_7220_autoneg(struct qib_pportdata *ppd)
+{
+	unsigned long flags;
+
+	/*
+	 * Required for older non-IB1.2 DDR switches.  Newer
+	 * non-IB-compliant switches don't need it, but so far,
+	 * aren't bothered by it either.  "Magic constant"
+	 */
+	qib_write_kreg(ppd->dd, kr_ncmodectrl, 0x3b9dc07);
+
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	ppd->lflags |= QIBL_IB_AUTONEG_INPROG;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	autoneg_7220_send(ppd, 0);
+	set_7220_ibspeed_fast(ppd, QIB_IB_DDR);
+
+	toggle_7220_rclkrls(ppd->dd);
+	/* 2 msec is minimum length of a poll cycle */
+	schedule_delayed_work(&ppd->cpspec->autoneg_work,
+			      msecs_to_jiffies(2));
+}
+
+/*
+ * Handle the empirically determined mechanism for auto-negotiation
+ * of DDR speed with switches.
+ */
+static void autoneg_7220_work(struct work_struct *work)
+{
+	struct qib_pportdata *ppd;
+	struct qib_devdata *dd;
+	u64 startms;
+	u32 i;
+	unsigned long flags;
+
+	ppd = &container_of(work, struct qib_chippport_specific,
+			    autoneg_work.work)->pportdata;
+	dd = ppd->dd;
+
+	startms = jiffies_to_msecs(jiffies);
+
+	/*
+	 * Busy wait for this first part, it should be at most a
+	 * few hundred usec, since we scheduled ourselves for 2msec.
+	 */
+	for (i = 0; i < 25; i++) {
+		if (SYM_FIELD(ppd->lastibcstat, IBCStatus, LinkTrainingState)
+		     == IB_7220_LT_STATE_POLLQUIET) {
+			qib_set_linkstate(ppd, QIB_IB_LINKDOWN_DISABLE);
+			break;
+		}
+		udelay(100);
+	}
+
+	if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG))
+		goto done; /* we got there early or told to stop */
+
+	/* we expect this to timeout */
+	if (wait_event_timeout(ppd->cpspec->autoneg_wait,
+			       !(ppd->lflags & QIBL_IB_AUTONEG_INPROG),
+			       msecs_to_jiffies(90)))
+		goto done;
+
+	toggle_7220_rclkrls(dd);
+
+	/* we expect this to timeout */
+	if (wait_event_timeout(ppd->cpspec->autoneg_wait,
+			       !(ppd->lflags & QIBL_IB_AUTONEG_INPROG),
+			       msecs_to_jiffies(1700)))
+		goto done;
+
+	set_7220_ibspeed_fast(ppd, QIB_IB_SDR);
+	toggle_7220_rclkrls(dd);
+
+	/*
+	 * Wait up to 250 msec for link to train and get to INIT at DDR;
+	 * this should terminate early.
+	 */
+	wait_event_timeout(ppd->cpspec->autoneg_wait,
+		!(ppd->lflags & QIBL_IB_AUTONEG_INPROG),
+		msecs_to_jiffies(250));
+done:
+	if (ppd->lflags & QIBL_IB_AUTONEG_INPROG) {
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~QIBL_IB_AUTONEG_INPROG;
+		if (dd->cspec->autoneg_tries == AUTONEG_TRIES) {
+			ppd->lflags |= QIBL_IB_AUTONEG_FAILED;
+			dd->cspec->autoneg_tries = 0;
+		}
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		set_7220_ibspeed_fast(ppd, ppd->link_speed_enabled);
+	}
+}
+
+static u32 qib_7220_iblink_state(u64 ibcs)
+{
+	u32 state = (u32)SYM_FIELD(ibcs, IBCStatus, LinkState);
+
+	switch (state) {
+	case IB_7220_L_STATE_INIT:
+		state = IB_PORT_INIT;
+		break;
+	case IB_7220_L_STATE_ARM:
+		state = IB_PORT_ARMED;
+		break;
+	case IB_7220_L_STATE_ACTIVE:
+		/* fall through */
+	case IB_7220_L_STATE_ACT_DEFER:
+		state = IB_PORT_ACTIVE;
+		break;
+	default: /* fall through */
+	case IB_7220_L_STATE_DOWN:
+		state = IB_PORT_DOWN;
+		break;
+	}
+	return state;
+}
+
+/* returns the IBTA port state, rather than the IBC link training state */
+static u8 qib_7220_phys_portstate(u64 ibcs)
+{
+	u8 state = (u8)SYM_FIELD(ibcs, IBCStatus, LinkTrainingState);
+	return qib_7220_physportstate[state];
+}
+
+static int qib_7220_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
+{
+	int ret = 0, symadj = 0;
+	struct qib_devdata *dd = ppd->dd;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	ppd->lflags &= ~QIBL_IB_FORCE_NOTIFY;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+
+	if (!ibup) {
+		/*
+		 * When the link goes down we don't want AEQ running, so it
+		 * won't interfere with IBC training, etc., and we need
+		 * to go back to the static SerDes preset values.
+		 */
+		if (!(ppd->lflags & (QIBL_IB_AUTONEG_FAILED |
+				     QIBL_IB_AUTONEG_INPROG)))
+			set_7220_ibspeed_fast(ppd, ppd->link_speed_enabled);
+		if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG)) {
+			qib_sd7220_presets(dd);
+			qib_cancel_sends(ppd); /* initial disarm, etc. */
+			spin_lock_irqsave(&ppd->sdma_lock, flags);
+			if (__qib_sdma_running(ppd))
+				__qib_sdma_process_event(ppd,
+					qib_sdma_event_e70_go_idle);
+			spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+		}
+		/* this might better in qib_sd7220_presets() */
+		set_7220_relock_poll(dd, ibup);
+	} else {
+		if (qib_compat_ddr_negotiate &&
+		    !(ppd->lflags & (QIBL_IB_AUTONEG_FAILED |
+				     QIBL_IB_AUTONEG_INPROG)) &&
+		    ppd->link_speed_active == QIB_IB_SDR &&
+		    (ppd->link_speed_enabled & (QIB_IB_DDR | QIB_IB_SDR)) ==
+		    (QIB_IB_DDR | QIB_IB_SDR) &&
+		    dd->cspec->autoneg_tries < AUTONEG_TRIES) {
+			/* we are SDR, and DDR auto-negotiation enabled */
+			++dd->cspec->autoneg_tries;
+			if (!ppd->cpspec->ibdeltainprog) {
+				ppd->cpspec->ibdeltainprog = 1;
+				ppd->cpspec->ibsymsnap = read_7220_creg32(dd,
+					cr_ibsymbolerr);
+				ppd->cpspec->iblnkerrsnap = read_7220_creg32(dd,
+					cr_iblinkerrrecov);
+			}
+			try_7220_autoneg(ppd);
+			ret = 1; /* no other IB status change processing */
+		} else if ((ppd->lflags & QIBL_IB_AUTONEG_INPROG) &&
+			   ppd->link_speed_active == QIB_IB_SDR) {
+			autoneg_7220_send(ppd, 1);
+			set_7220_ibspeed_fast(ppd, QIB_IB_DDR);
+			udelay(2);
+			toggle_7220_rclkrls(dd);
+			ret = 1; /* no other IB status change processing */
+		} else {
+			if ((ppd->lflags & QIBL_IB_AUTONEG_INPROG) &&
+			    (ppd->link_speed_active & QIB_IB_DDR)) {
+				spin_lock_irqsave(&ppd->lflags_lock, flags);
+				ppd->lflags &= ~(QIBL_IB_AUTONEG_INPROG |
+						 QIBL_IB_AUTONEG_FAILED);
+				spin_unlock_irqrestore(&ppd->lflags_lock,
+						       flags);
+				dd->cspec->autoneg_tries = 0;
+				/* re-enable SDR, for next link down */
+				set_7220_ibspeed_fast(ppd,
+						      ppd->link_speed_enabled);
+				wake_up(&ppd->cpspec->autoneg_wait);
+				symadj = 1;
+			} else if (ppd->lflags & QIBL_IB_AUTONEG_FAILED) {
+				/*
+				 * Clear autoneg failure flag, and do setup
+				 * so we'll try next time link goes down and
+				 * back to INIT (possibly connected to a
+				 * different device).
+				 */
+				spin_lock_irqsave(&ppd->lflags_lock, flags);
+				ppd->lflags &= ~QIBL_IB_AUTONEG_FAILED;
+				spin_unlock_irqrestore(&ppd->lflags_lock,
+						       flags);
+				ppd->cpspec->ibcddrctrl |=
+					IBA7220_IBC_IBTA_1_2_MASK;
+				qib_write_kreg(dd, kr_ncmodectrl, 0);
+				symadj = 1;
+			}
+		}
+
+		if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG))
+			symadj = 1;
+
+		if (!ret) {
+			ppd->delay_mult = rate_to_delay
+			    [(ibcs >> IBA7220_LINKSPEED_SHIFT) & 1]
+			    [(ibcs >> IBA7220_LINKWIDTH_SHIFT) & 1];
+
+			set_7220_relock_poll(dd, ibup);
+			spin_lock_irqsave(&ppd->sdma_lock, flags);
+			/*
+			 * Unlike 7322, the 7220 needs this, due to lack of
+			 * interrupt in some cases when we have sdma active
+			 * when the link goes down.
+			 */
+			if (ppd->sdma_state.current_state !=
+			    qib_sdma_state_s20_idle)
+				__qib_sdma_process_event(ppd,
+					qib_sdma_event_e00_go_hw_down);
+			spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+		}
+	}
+
+	if (symadj) {
+		if (ppd->cpspec->ibdeltainprog) {
+			ppd->cpspec->ibdeltainprog = 0;
+			ppd->cpspec->ibsymdelta += read_7220_creg32(ppd->dd,
+				cr_ibsymbolerr) - ppd->cpspec->ibsymsnap;
+			ppd->cpspec->iblnkerrdelta += read_7220_creg32(ppd->dd,
+				cr_iblinkerrrecov) - ppd->cpspec->iblnkerrsnap;
+		}
+	} else if (!ibup && qib_compat_ddr_negotiate &&
+		   !ppd->cpspec->ibdeltainprog &&
+			!(ppd->lflags & QIBL_IB_AUTONEG_INPROG)) {
+		ppd->cpspec->ibdeltainprog = 1;
+		ppd->cpspec->ibsymsnap = read_7220_creg32(ppd->dd,
+							  cr_ibsymbolerr);
+		ppd->cpspec->iblnkerrsnap = read_7220_creg32(ppd->dd,
+						     cr_iblinkerrrecov);
+	}
+
+	if (!ret)
+		qib_setup_7220_setextled(ppd, ibup);
+	return ret;
+}
+
+/*
+ * Does read/modify/write to appropriate registers to
+ * set output and direction bits selected by mask.
+ * these are in their canonical postions (e.g. lsb of
+ * dir will end up in D48 of extctrl on existing chips).
+ * returns contents of GP Inputs.
+ */
+static int gpio_7220_mod(struct qib_devdata *dd, u32 out, u32 dir, u32 mask)
+{
+	u64 read_val, new_out;
+	unsigned long flags;
+
+	if (mask) {
+		/* some bits being written, lock access to GPIO */
+		dir &= mask;
+		out &= mask;
+		spin_lock_irqsave(&dd->cspec->gpio_lock, flags);
+		dd->cspec->extctrl &= ~((u64)mask << SYM_LSB(EXTCtrl, GPIOOe));
+		dd->cspec->extctrl |= ((u64) dir << SYM_LSB(EXTCtrl, GPIOOe));
+		new_out = (dd->cspec->gpio_out & ~mask) | out;
+
+		qib_write_kreg(dd, kr_extctrl, dd->cspec->extctrl);
+		qib_write_kreg(dd, kr_gpio_out, new_out);
+		dd->cspec->gpio_out = new_out;
+		spin_unlock_irqrestore(&dd->cspec->gpio_lock, flags);
+	}
+	/*
+	 * It is unlikely that a read at this time would get valid
+	 * data on a pin whose direction line was set in the same
+	 * call to this function. We include the read here because
+	 * that allows us to potentially combine a change on one pin with
+	 * a read on another, and because the old code did something like
+	 * this.
+	 */
+	read_val = qib_read_kreg64(dd, kr_extstatus);
+	return SYM_FIELD(read_val, EXTStatus, GPIOIn);
+}
+
+/*
+ * Read fundamental info we need to use the chip.  These are
+ * the registers that describe chip capabilities, and are
+ * saved in shadow registers.
+ */
+static void get_7220_chip_params(struct qib_devdata *dd)
+{
+	u64 val;
+	u32 piobufs;
+	int mtu;
+
+	dd->uregbase = qib_read_kreg32(dd, kr_userregbase);
+
+	dd->rcvtidcnt = qib_read_kreg32(dd, kr_rcvtidcnt);
+	dd->rcvtidbase = qib_read_kreg32(dd, kr_rcvtidbase);
+	dd->rcvegrbase = qib_read_kreg32(dd, kr_rcvegrbase);
+	dd->palign = qib_read_kreg32(dd, kr_palign);
+	dd->piobufbase = qib_read_kreg64(dd, kr_sendpiobufbase);
+	dd->pio2k_bufbase = dd->piobufbase & 0xffffffff;
+
+	val = qib_read_kreg64(dd, kr_sendpiosize);
+	dd->piosize2k = val & ~0U;
+	dd->piosize4k = val >> 32;
+
+	mtu = ib_mtu_enum_to_int(qib_ibmtu);
+	if (mtu == -1)
+		mtu = QIB_DEFAULT_MTU;
+	dd->pport->ibmtu = (u32)mtu;
+
+	val = qib_read_kreg64(dd, kr_sendpiobufcnt);
+	dd->piobcnt2k = val & ~0U;
+	dd->piobcnt4k = val >> 32;
+	/* these may be adjusted in init_chip_wc_pat() */
+	dd->pio2kbase = (u32 __iomem *)
+		((char __iomem *) dd->kregbase + dd->pio2k_bufbase);
+	if (dd->piobcnt4k) {
+		dd->pio4kbase = (u32 __iomem *)
+			((char __iomem *) dd->kregbase +
+			 (dd->piobufbase >> 32));
+		/*
+		 * 4K buffers take 2 pages; we use roundup just to be
+		 * paranoid; we calculate it once here, rather than on
+		 * ever buf allocate
+		 */
+		dd->align4k = ALIGN(dd->piosize4k, dd->palign);
+	}
+
+	piobufs = dd->piobcnt4k + dd->piobcnt2k;
+
+	dd->pioavregs = ALIGN(piobufs, sizeof(u64) * BITS_PER_BYTE / 2) /
+		(sizeof(u64) * BITS_PER_BYTE / 2);
+}
+
+/*
+ * The chip base addresses in cspec and cpspec have to be set
+ * after possible init_chip_wc_pat(), rather than in
+ * qib_get_7220_chip_params(), so split out as separate function
+ */
+static void set_7220_baseaddrs(struct qib_devdata *dd)
+{
+	u32 cregbase;
+	/* init after possible re-map in init_chip_wc_pat() */
+	cregbase = qib_read_kreg32(dd, kr_counterregbase);
+	dd->cspec->cregbase = (u64 __iomem *)
+		((char __iomem *) dd->kregbase + cregbase);
+
+	dd->egrtidbase = (u64 __iomem *)
+		((char __iomem *) dd->kregbase + dd->rcvegrbase);
+}
+
+
+#define SENDCTRL_SHADOWED (SYM_MASK(SendCtrl, SendIntBufAvail) |	\
+			   SYM_MASK(SendCtrl, SPioEnable) |		\
+			   SYM_MASK(SendCtrl, SSpecialTriggerEn) |	\
+			   SYM_MASK(SendCtrl, SendBufAvailUpd) |	\
+			   SYM_MASK(SendCtrl, AvailUpdThld) |		\
+			   SYM_MASK(SendCtrl, SDmaEnable) |		\
+			   SYM_MASK(SendCtrl, SDmaIntEnable) |		\
+			   SYM_MASK(SendCtrl, SDmaHalt) |		\
+			   SYM_MASK(SendCtrl, SDmaSingleDescriptor))
+
+static int sendctrl_hook(struct qib_devdata *dd,
+			 const struct diag_observer *op,
+			 u32 offs, u64 *data, u64 mask, int only_32)
+{
+	unsigned long flags;
+	unsigned idx = offs / sizeof(u64);
+	u64 local_data, all_bits;
+
+	if (idx != kr_sendctrl) {
+		qib_dev_err(dd, "SendCtrl Hook called with offs %X, %s-bit\n",
+			    offs, only_32 ? "32" : "64");
+		return 0;
+	}
+
+	all_bits = ~0ULL;
+	if (only_32)
+		all_bits >>= 32;
+	spin_lock_irqsave(&dd->sendctrl_lock, flags);
+	if ((mask & all_bits) != all_bits) {
+		/*
+		 * At least some mask bits are zero, so we need
+		 * to read. The judgement call is whether from
+		 * reg or shadow. First-cut: read reg, and complain
+		 * if any bits which should be shadowed are different
+		 * from their shadowed value.
+		 */
+		if (only_32)
+			local_data = (u64)qib_read_kreg32(dd, idx);
+		else
+			local_data = qib_read_kreg64(dd, idx);
+		qib_dev_err(dd, "Sendctrl -> %X, Shad -> %X\n",
+			    (u32)local_data, (u32)dd->sendctrl);
+		if ((local_data & SENDCTRL_SHADOWED) !=
+		    (dd->sendctrl & SENDCTRL_SHADOWED))
+			qib_dev_err(dd, "Sendctrl read: %X shadow is %X\n",
+				(u32)local_data, (u32) dd->sendctrl);
+		*data = (local_data & ~mask) | (*data & mask);
+	}
+	if (mask) {
+		/*
+		 * At least some mask bits are one, so we need
+		 * to write, but only shadow some bits.
+		 */
+		u64 sval, tval; /* Shadowed, transient */
+
+		/*
+		 * New shadow val is bits we don't want to touch,
+		 * ORed with bits we do, that are intended for shadow.
+		 */
+		sval = (dd->sendctrl & ~mask);
+		sval |= *data & SENDCTRL_SHADOWED & mask;
+		dd->sendctrl = sval;
+		tval = sval | (*data & ~SENDCTRL_SHADOWED & mask);
+		qib_dev_err(dd, "Sendctrl <- %X, Shad <- %X\n",
+			    (u32)tval, (u32)sval);
+		qib_write_kreg(dd, kr_sendctrl, tval);
+		qib_write_kreg(dd, kr_scratch, 0Ull);
+	}
+	spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+
+	return only_32 ? 4 : 8;
+}
+
+static const struct diag_observer sendctrl_observer = {
+	sendctrl_hook, kr_sendctrl * sizeof(u64),
+	kr_sendctrl * sizeof(u64)
+};
+
+/*
+ * write the final few registers that depend on some of the
+ * init setup.  Done late in init, just before bringing up
+ * the serdes.
+ */
+static int qib_late_7220_initreg(struct qib_devdata *dd)
+{
+	int ret = 0;
+	u64 val;
+
+	qib_write_kreg(dd, kr_rcvhdrentsize, dd->rcvhdrentsize);
+	qib_write_kreg(dd, kr_rcvhdrsize, dd->rcvhdrsize);
+	qib_write_kreg(dd, kr_rcvhdrcnt, dd->rcvhdrcnt);
+	qib_write_kreg(dd, kr_sendpioavailaddr, dd->pioavailregs_phys);
+	val = qib_read_kreg64(dd, kr_sendpioavailaddr);
+	if (val != dd->pioavailregs_phys) {
+		qib_dev_err(dd, "Catastrophic software error, "
+			    "SendPIOAvailAddr written as %lx, "
+			    "read back as %llx\n",
+			    (unsigned long) dd->pioavailregs_phys,
+			    (unsigned long long) val);
+		ret = -EINVAL;
+	}
+	qib_register_observer(dd, &sendctrl_observer);
+	return ret;
+}
+
+static int qib_init_7220_variables(struct qib_devdata *dd)
+{
+	struct qib_chippport_specific *cpspec;
+	struct qib_pportdata *ppd;
+	int ret = 0;
+	u32 sbufs, updthresh;
+
+	cpspec = (struct qib_chippport_specific *)(dd + 1);
+	ppd = &cpspec->pportdata;
+	dd->pport = ppd;
+	dd->num_pports = 1;
+
+	dd->cspec = (struct qib_chip_specific *)(cpspec + dd->num_pports);
+	ppd->cpspec = cpspec;
+
+	spin_lock_init(&dd->cspec->sdepb_lock);
+	spin_lock_init(&dd->cspec->rcvmod_lock);
+	spin_lock_init(&dd->cspec->gpio_lock);
+
+	/* we haven't yet set QIB_PRESENT, so use read directly */
+	dd->revision = readq(&dd->kregbase[kr_revision]);
+
+	if ((dd->revision & 0xffffffffU) == 0xffffffffU) {
+		qib_dev_err(dd, "Revision register read failure, "
+			    "giving up initialization\n");
+		ret = -ENODEV;
+		goto bail;
+	}
+	dd->flags |= QIB_PRESENT;  /* now register routines work */
+
+	dd->majrev = (u8) SYM_FIELD(dd->revision, Revision_R,
+				    ChipRevMajor);
+	dd->minrev = (u8) SYM_FIELD(dd->revision, Revision_R,
+				    ChipRevMinor);
+
+	get_7220_chip_params(dd);
+	qib_7220_boardname(dd);
+
+	/*
+	 * GPIO bits for TWSI data and clock,
+	 * used for serial EEPROM.
+	 */
+	dd->gpio_sda_num = _QIB_GPIO_SDA_NUM;
+	dd->gpio_scl_num = _QIB_GPIO_SCL_NUM;
+	dd->twsi_eeprom_dev = QIB_TWSI_EEPROM_DEV;
+
+	dd->flags |= QIB_HAS_INTX | QIB_HAS_LINK_LATENCY |
+		QIB_NODMA_RTAIL | QIB_HAS_THRESH_UPDATE;
+	dd->flags |= qib_special_trigger ?
+		QIB_USE_SPCL_TRIG : QIB_HAS_SEND_DMA;
+
+	/*
+	 * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
+	 * 2 is Some Misc, 3 is reserved for future.
+	 */
+	dd->eep_st_masks[0].hwerrs_to_log = HWE_MASK(TXEMemParityErr);
+
+	dd->eep_st_masks[1].hwerrs_to_log = HWE_MASK(RXEMemParityErr);
+
+	dd->eep_st_masks[2].errs_to_log = ERR_MASK(ResetNegated);
+
+	init_waitqueue_head(&cpspec->autoneg_wait);
+	INIT_DELAYED_WORK(&cpspec->autoneg_work, autoneg_7220_work);
+
+	qib_init_pportdata(ppd, dd, 0, 1);
+	ppd->link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
+	ppd->link_speed_supported = QIB_IB_SDR | QIB_IB_DDR;
+
+	ppd->link_width_enabled = ppd->link_width_supported;
+	ppd->link_speed_enabled = ppd->link_speed_supported;
+	/*
+	 * Set the initial values to reasonable default, will be set
+	 * for real when link is up.
+	 */
+	ppd->link_width_active = IB_WIDTH_4X;
+	ppd->link_speed_active = QIB_IB_SDR;
+	ppd->delay_mult = rate_to_delay[0][1];
+	ppd->vls_supported = IB_VL_VL0;
+	ppd->vls_operational = ppd->vls_supported;
+
+	if (!qib_mini_init)
+		qib_write_kreg(dd, kr_rcvbthqp, QIB_KD_QP);
+
+	init_timer(&ppd->cpspec->chase_timer);
+	ppd->cpspec->chase_timer.function = reenable_7220_chase;
+	ppd->cpspec->chase_timer.data = (unsigned long)ppd;
+
+	qib_num_cfg_vls = 1; /* if any 7220's, only one VL */
+
+	dd->rcvhdrentsize = QIB_RCVHDR_ENTSIZE;
+	dd->rcvhdrsize = QIB_DFLT_RCVHDRSIZE;
+	dd->rhf_offset =
+		dd->rcvhdrentsize - sizeof(u64) / sizeof(u32);
+
+	/* we always allocate at least 2048 bytes for eager buffers */
+	ret = ib_mtu_enum_to_int(qib_ibmtu);
+	dd->rcvegrbufsize = ret != -1 ? max(ret, 2048) : QIB_DEFAULT_MTU;
+
+	qib_7220_tidtemplate(dd);
+
+	/*
+	 * We can request a receive interrupt for 1 or
+	 * more packets from current offset.  For now, we set this
+	 * up for a single packet.
+	 */
+	dd->rhdrhead_intr_off = 1ULL << 32;
+
+	/* setup the stats timer; the add_timer is done at end of init */
+	init_timer(&dd->stats_timer);
+	dd->stats_timer.function = qib_get_7220_faststats;
+	dd->stats_timer.data = (unsigned long) dd;
+	dd->stats_timer.expires = jiffies + ACTIVITY_TIMER * HZ;
+
+	/*
+	 * Control[4] has been added to change the arbitration within
+	 * the SDMA engine between favoring data fetches over descriptor
+	 * fetches.  qib_sdma_fetch_arb==0 gives data fetches priority.
+	 */
+	if (qib_sdma_fetch_arb)
+		dd->control |= 1 << 4;
+
+	dd->ureg_align = 0x10000;  /* 64KB alignment */
+
+	dd->piosize2kmax_dwords = (dd->piosize2k >> 2)-1;
+	qib_7220_config_ctxts(dd);
+	qib_set_ctxtcnt(dd);  /* needed for PAT setup */
+
+	if (qib_wc_pat) {
+		ret = init_chip_wc_pat(dd, 0);
+		if (ret)
+			goto bail;
+	}
+	set_7220_baseaddrs(dd); /* set chip access pointers now */
+
+	ret = 0;
+	if (qib_mini_init)
+		goto bail;
+
+	ret = qib_create_ctxts(dd);
+	init_7220_cntrnames(dd);
+
+	/* use all of 4KB buffers for the kernel SDMA, zero if !SDMA.
+	 * reserve the update threshold amount for other kernel use, such
+	 * as sending SMI, MAD, and ACKs, or 3, whichever is greater,
+	 * unless we aren't enabling SDMA, in which case we want to use
+	 * all the 4k bufs for the kernel.
+	 * if this was less than the update threshold, we could wait
+	 * a long time for an update.  Coded this way because we
+	 * sometimes change the update threshold for various reasons,
+	 * and we want this to remain robust.
+	 */
+	updthresh = 8U; /* update threshold */
+	if (dd->flags & QIB_HAS_SEND_DMA) {
+		dd->cspec->sdmabufcnt =  dd->piobcnt4k;
+		sbufs = updthresh > 3 ? updthresh : 3;
+	} else {
+		dd->cspec->sdmabufcnt = 0;
+		sbufs = dd->piobcnt4k;
+	}
+
+	dd->cspec->lastbuf_for_pio = dd->piobcnt2k + dd->piobcnt4k -
+		dd->cspec->sdmabufcnt;
+	dd->lastctxt_piobuf = dd->cspec->lastbuf_for_pio - sbufs;
+	dd->cspec->lastbuf_for_pio--; /* range is <= , not < */
+	dd->pbufsctxt = dd->lastctxt_piobuf /
+		(dd->cfgctxts - dd->first_user_ctxt);
+
+	/*
+	 * if we are at 16 user contexts, we will have one 7 sbufs
+	 * per context, so drop the update threshold to match.  We
+	 * want to update before we actually run out, at low pbufs/ctxt
+	 * so give ourselves some margin
+	 */
+	if ((dd->pbufsctxt - 2) < updthresh)
+		updthresh = dd->pbufsctxt - 2;
+
+	dd->cspec->updthresh_dflt = updthresh;
+	dd->cspec->updthresh = updthresh;
+
+	/* before full enable, no interrupts, no locking needed */
+	dd->sendctrl |= (updthresh & SYM_RMASK(SendCtrl, AvailUpdThld))
+			     << SYM_LSB(SendCtrl, AvailUpdThld);
+
+	dd->psxmitwait_supported = 1;
+	dd->psxmitwait_check_rate = QIB_7220_PSXMITWAIT_CHECK_RATE;
+bail:
+	return ret;
+}
+
+static u32 __iomem *qib_7220_getsendbuf(struct qib_pportdata *ppd, u64 pbc,
+					u32 *pbufnum)
+{
+	u32 first, last, plen = pbc & QIB_PBC_LENGTH_MASK;
+	struct qib_devdata *dd = ppd->dd;
+	u32 __iomem *buf;
+
+	if (((pbc >> 32) & PBC_7220_VL15_SEND_CTRL) &&
+		!(ppd->lflags & (QIBL_IB_AUTONEG_INPROG | QIBL_LINKACTIVE)))
+		buf = get_7220_link_buf(ppd, pbufnum);
+	else {
+		if ((plen + 1) > dd->piosize2kmax_dwords)
+			first = dd->piobcnt2k;
+		else
+			first = 0;
+		/* try 4k if all 2k busy, so same last for both sizes */
+		last = dd->cspec->lastbuf_for_pio;
+		buf = qib_getsendbuf_range(dd, pbufnum, first, last);
+	}
+	return buf;
+}
+
+/* these 2 "counters" are really control registers, and are always RW */
+static void qib_set_cntr_7220_sample(struct qib_pportdata *ppd, u32 intv,
+				     u32 start)
+{
+	write_7220_creg(ppd->dd, cr_psinterval, intv);
+	write_7220_creg(ppd->dd, cr_psstart, start);
+}
+
+/*
+ * NOTE: no real attempt is made to generalize the SDMA stuff.
+ * At some point "soon" we will have a new more generalized
+ * set of sdma interface, and then we'll clean this up.
+ */
+
+/* Must be called with sdma_lock held, or before init finished */
+static void qib_sdma_update_7220_tail(struct qib_pportdata *ppd, u16 tail)
+{
+	/* Commit writes to memory and advance the tail on the chip */
+	wmb();
+	ppd->sdma_descq_tail = tail;
+	qib_write_kreg(ppd->dd, kr_senddmatail, tail);
+}
+
+static void qib_sdma_set_7220_desc_cnt(struct qib_pportdata *ppd, unsigned cnt)
+{
+}
+
+static struct sdma_set_state_action sdma_7220_action_table[] = {
+	[qib_sdma_state_s00_hw_down] = {
+		.op_enable = 0,
+		.op_intenable = 0,
+		.op_halt = 0,
+		.go_s99_running_tofalse = 1,
+	},
+	[qib_sdma_state_s10_hw_start_up_wait] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 1,
+	},
+	[qib_sdma_state_s20_idle] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 1,
+	},
+	[qib_sdma_state_s30_sw_clean_up_wait] = {
+		.op_enable = 0,
+		.op_intenable = 1,
+		.op_halt = 0,
+	},
+	[qib_sdma_state_s40_hw_clean_up_wait] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 1,
+	},
+	[qib_sdma_state_s50_hw_halt_wait] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 1,
+	},
+	[qib_sdma_state_s99_running] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 0,
+		.go_s99_running_totrue = 1,
+	},
+};
+
+static void qib_7220_sdma_init_early(struct qib_pportdata *ppd)
+{
+	ppd->sdma_state.set_state_action = sdma_7220_action_table;
+}
+
+static int init_sdma_7220_regs(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	unsigned i, n;
+	u64 senddmabufmask[3] = { 0 };
+
+	/* Set SendDmaBase */
+	qib_write_kreg(dd, kr_senddmabase, ppd->sdma_descq_phys);
+	qib_sdma_7220_setlengen(ppd);
+	qib_sdma_update_7220_tail(ppd, 0); /* Set SendDmaTail */
+	/* Set SendDmaHeadAddr */
+	qib_write_kreg(dd, kr_senddmaheadaddr, ppd->sdma_head_phys);
+
+	/*
+	 * Reserve all the former "kernel" piobufs, using high number range
+	 * so we get as many 4K buffers as possible
+	 */
+	n = dd->piobcnt2k + dd->piobcnt4k;
+	i = n - dd->cspec->sdmabufcnt;
+
+	for (; i < n; ++i) {
+		unsigned word = i / 64;
+		unsigned bit = i & 63;
+
+		BUG_ON(word >= 3);
+		senddmabufmask[word] |= 1ULL << bit;
+	}
+	qib_write_kreg(dd, kr_senddmabufmask0, senddmabufmask[0]);
+	qib_write_kreg(dd, kr_senddmabufmask1, senddmabufmask[1]);
+	qib_write_kreg(dd, kr_senddmabufmask2, senddmabufmask[2]);
+
+	ppd->sdma_state.first_sendbuf = i;
+	ppd->sdma_state.last_sendbuf = n;
+
+	return 0;
+}
+
+/* sdma_lock must be held */
+static u16 qib_sdma_7220_gethead(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int sane;
+	int use_dmahead;
+	u16 swhead;
+	u16 swtail;
+	u16 cnt;
+	u16 hwhead;
+
+	use_dmahead = __qib_sdma_running(ppd) &&
+		(dd->flags & QIB_HAS_SDMA_TIMEOUT);
+retry:
+	hwhead = use_dmahead ?
+		(u16)le64_to_cpu(*ppd->sdma_head_dma) :
+		(u16)qib_read_kreg32(dd, kr_senddmahead);
+
+	swhead = ppd->sdma_descq_head;
+	swtail = ppd->sdma_descq_tail;
+	cnt = ppd->sdma_descq_cnt;
+
+	if (swhead < swtail) {
+		/* not wrapped */
+		sane = (hwhead >= swhead) & (hwhead <= swtail);
+	} else if (swhead > swtail) {
+		/* wrapped around */
+		sane = ((hwhead >= swhead) && (hwhead < cnt)) ||
+			(hwhead <= swtail);
+	} else {
+		/* empty */
+		sane = (hwhead == swhead);
+	}
+
+	if (unlikely(!sane)) {
+		if (use_dmahead) {
+			/* try one more time, directly from the register */
+			use_dmahead = 0;
+			goto retry;
+		}
+		/* assume no progress */
+		hwhead = swhead;
+	}
+
+	return hwhead;
+}
+
+static int qib_sdma_7220_busy(struct qib_pportdata *ppd)
+{
+	u64 hwstatus = qib_read_kreg64(ppd->dd, kr_senddmastatus);
+
+	return (hwstatus & SYM_MASK(SendDmaStatus, ScoreBoardDrainInProg)) ||
+	       (hwstatus & SYM_MASK(SendDmaStatus, AbortInProg)) ||
+	       (hwstatus & SYM_MASK(SendDmaStatus, InternalSDmaEnable)) ||
+	       !(hwstatus & SYM_MASK(SendDmaStatus, ScbEmpty));
+}
+
+/*
+ * Compute the amount of delay before sending the next packet if the
+ * port's send rate differs from the static rate set for the QP.
+ * Since the delay affects this packet but the amount of the delay is
+ * based on the length of the previous packet, use the last delay computed
+ * and save the delay count for this packet to be used next time
+ * we get here.
+ */
+static u32 qib_7220_setpbc_control(struct qib_pportdata *ppd, u32 plen,
+				   u8 srate, u8 vl)
+{
+	u8 snd_mult = ppd->delay_mult;
+	u8 rcv_mult = ib_rate_to_delay[srate];
+	u32 ret = ppd->cpspec->last_delay_mult;
+
+	ppd->cpspec->last_delay_mult = (rcv_mult > snd_mult) ?
+		(plen * (rcv_mult - snd_mult) + 1) >> 1 : 0;
+
+	/* Indicate VL15, if necessary */
+	if (vl == 15)
+		ret |= PBC_7220_VL15_SEND_CTRL;
+	return ret;
+}
+
+static void qib_7220_initvl15_bufs(struct qib_devdata *dd)
+{
+}
+
+static void qib_7220_init_ctxt(struct qib_ctxtdata *rcd)
+{
+	if (!rcd->ctxt) {
+		rcd->rcvegrcnt = IBA7220_KRCVEGRCNT;
+		rcd->rcvegr_tid_base = 0;
+	} else {
+		rcd->rcvegrcnt = rcd->dd->cspec->rcvegrcnt;
+		rcd->rcvegr_tid_base = IBA7220_KRCVEGRCNT +
+			(rcd->ctxt - 1) * rcd->rcvegrcnt;
+	}
+}
+
+static void qib_7220_txchk_change(struct qib_devdata *dd, u32 start,
+				  u32 len, u32 which, struct qib_ctxtdata *rcd)
+{
+	int i;
+	unsigned long flags;
+
+	switch (which) {
+	case TXCHK_CHG_TYPE_KERN:
+		/* see if we need to raise avail update threshold */
+		spin_lock_irqsave(&dd->uctxt_lock, flags);
+		for (i = dd->first_user_ctxt;
+		     dd->cspec->updthresh != dd->cspec->updthresh_dflt
+		     && i < dd->cfgctxts; i++)
+			if (dd->rcd[i] && dd->rcd[i]->subctxt_cnt &&
+			   ((dd->rcd[i]->piocnt / dd->rcd[i]->subctxt_cnt) - 1)
+			   < dd->cspec->updthresh_dflt)
+				break;
+		spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+		if (i == dd->cfgctxts) {
+			spin_lock_irqsave(&dd->sendctrl_lock, flags);
+			dd->cspec->updthresh = dd->cspec->updthresh_dflt;
+			dd->sendctrl &= ~SYM_MASK(SendCtrl, AvailUpdThld);
+			dd->sendctrl |= (dd->cspec->updthresh &
+					 SYM_RMASK(SendCtrl, AvailUpdThld)) <<
+					   SYM_LSB(SendCtrl, AvailUpdThld);
+			spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+			sendctrl_7220_mod(dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+		}
+		break;
+	case TXCHK_CHG_TYPE_USER:
+		spin_lock_irqsave(&dd->sendctrl_lock, flags);
+		if (rcd && rcd->subctxt_cnt && ((rcd->piocnt
+			/ rcd->subctxt_cnt) - 1) < dd->cspec->updthresh) {
+			dd->cspec->updthresh = (rcd->piocnt /
+						rcd->subctxt_cnt) - 1;
+			dd->sendctrl &= ~SYM_MASK(SendCtrl, AvailUpdThld);
+			dd->sendctrl |= (dd->cspec->updthresh &
+					SYM_RMASK(SendCtrl, AvailUpdThld))
+					<< SYM_LSB(SendCtrl, AvailUpdThld);
+			spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+			sendctrl_7220_mod(dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+		} else
+			spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+		break;
+	}
+}
+
+static void writescratch(struct qib_devdata *dd, u32 val)
+{
+	qib_write_kreg(dd, kr_scratch, val);
+}
+
+#define VALID_TS_RD_REG_MASK 0xBF
+/**
+ * qib_7220_tempsense_read - read register of temp sensor via TWSI
+ * @dd: the qlogic_ib device
+ * @regnum: register to read from
+ *
+ * returns reg contents (0..255) or < 0 for error
+ */
+static int qib_7220_tempsense_rd(struct qib_devdata *dd, int regnum)
+{
+	int ret;
+	u8 rdata;
+
+	if (regnum > 7) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	/* return a bogus value for (the one) register we do not have */
+	if (!((1 << regnum) & VALID_TS_RD_REG_MASK)) {
+		ret = 0;
+		goto bail;
+	}
+
+	ret = mutex_lock_interruptible(&dd->eep_lock);
+	if (ret)
+		goto bail;
+
+	ret = qib_twsi_blk_rd(dd, QIB_TWSI_TEMP_DEV, regnum, &rdata, 1);
+	if (!ret)
+		ret = rdata;
+
+	mutex_unlock(&dd->eep_lock);
+
+	/*
+	 * There are three possibilities here:
+	 * ret is actual value (0..255)
+	 * ret is -ENXIO or -EINVAL from twsi code or this file
+	 * ret is -EINTR from mutex_lock_interruptible.
+	 */
+bail:
+	return ret;
+}
+
+/* Dummy function, as 7220 boards never disable EEPROM Write */
+static int qib_7220_eeprom_wen(struct qib_devdata *dd, int wen)
+{
+	return 1;
+}
+
+/**
+ * qib_init_iba7220_funcs - set up the chip-specific function pointers
+ * @dev: the pci_dev for qlogic_ib device
+ * @ent: pci_device_id struct for this dev
+ *
+ * This is global, and is called directly at init to set up the
+ * chip-specific function pointers for later use.
+ */
+struct qib_devdata *qib_init_iba7220_funcs(struct pci_dev *pdev,
+					   const struct pci_device_id *ent)
+{
+	struct qib_devdata *dd;
+	int ret;
+	u32 boardid, minwidth;
+
+	dd = qib_alloc_devdata(pdev, sizeof(struct qib_chip_specific) +
+		sizeof(struct qib_chippport_specific));
+	if (IS_ERR(dd))
+		goto bail;
+
+	dd->f_bringup_serdes    = qib_7220_bringup_serdes;
+	dd->f_cleanup           = qib_setup_7220_cleanup;
+	dd->f_clear_tids        = qib_7220_clear_tids;
+	dd->f_free_irq          = qib_7220_free_irq;
+	dd->f_get_base_info     = qib_7220_get_base_info;
+	dd->f_get_msgheader     = qib_7220_get_msgheader;
+	dd->f_getsendbuf        = qib_7220_getsendbuf;
+	dd->f_gpio_mod          = gpio_7220_mod;
+	dd->f_eeprom_wen        = qib_7220_eeprom_wen;
+	dd->f_hdrqempty         = qib_7220_hdrqempty;
+	dd->f_ib_updown         = qib_7220_ib_updown;
+	dd->f_init_ctxt         = qib_7220_init_ctxt;
+	dd->f_initvl15_bufs     = qib_7220_initvl15_bufs;
+	dd->f_intr_fallback     = qib_7220_intr_fallback;
+	dd->f_late_initreg      = qib_late_7220_initreg;
+	dd->f_setpbc_control    = qib_7220_setpbc_control;
+	dd->f_portcntr          = qib_portcntr_7220;
+	dd->f_put_tid           = qib_7220_put_tid;
+	dd->f_quiet_serdes      = qib_7220_quiet_serdes;
+	dd->f_rcvctrl           = rcvctrl_7220_mod;
+	dd->f_read_cntrs        = qib_read_7220cntrs;
+	dd->f_read_portcntrs    = qib_read_7220portcntrs;
+	dd->f_reset             = qib_setup_7220_reset;
+	dd->f_init_sdma_regs    = init_sdma_7220_regs;
+	dd->f_sdma_busy         = qib_sdma_7220_busy;
+	dd->f_sdma_gethead      = qib_sdma_7220_gethead;
+	dd->f_sdma_sendctrl     = qib_7220_sdma_sendctrl;
+	dd->f_sdma_set_desc_cnt = qib_sdma_set_7220_desc_cnt;
+	dd->f_sdma_update_tail  = qib_sdma_update_7220_tail;
+	dd->f_sdma_hw_clean_up  = qib_7220_sdma_hw_clean_up;
+	dd->f_sdma_hw_start_up  = qib_7220_sdma_hw_start_up;
+	dd->f_sdma_init_early   = qib_7220_sdma_init_early;
+	dd->f_sendctrl          = sendctrl_7220_mod;
+	dd->f_set_armlaunch     = qib_set_7220_armlaunch;
+	dd->f_set_cntr_sample   = qib_set_cntr_7220_sample;
+	dd->f_iblink_state      = qib_7220_iblink_state;
+	dd->f_ibphys_portstate  = qib_7220_phys_portstate;
+	dd->f_get_ib_cfg        = qib_7220_get_ib_cfg;
+	dd->f_set_ib_cfg        = qib_7220_set_ib_cfg;
+	dd->f_set_ib_loopback   = qib_7220_set_loopback;
+	dd->f_set_intr_state    = qib_7220_set_intr_state;
+	dd->f_setextled         = qib_setup_7220_setextled;
+	dd->f_txchk_change      = qib_7220_txchk_change;
+	dd->f_update_usrhead    = qib_update_7220_usrhead;
+	dd->f_wantpiobuf_intr   = qib_wantpiobuf_7220_intr;
+	dd->f_xgxs_reset        = qib_7220_xgxs_reset;
+	dd->f_writescratch      = writescratch;
+	dd->f_tempsense_rd	= qib_7220_tempsense_rd;
+	/*
+	 * Do remaining pcie setup and save pcie values in dd.
+	 * Any error printing is already done by the init code.
+	 * On return, we have the chip mapped, but chip registers
+	 * are not set up until start of qib_init_7220_variables.
+	 */
+	ret = qib_pcie_ddinit(dd, pdev, ent);
+	if (ret < 0)
+		goto bail_free;
+
+	/* initialize chip-specific variables */
+	ret = qib_init_7220_variables(dd);
+	if (ret)
+		goto bail_cleanup;
+
+	if (qib_mini_init)
+		goto bail;
+
+	boardid = SYM_FIELD(dd->revision, Revision,
+			    BoardID);
+	switch (boardid) {
+	case 0:
+	case 2:
+	case 10:
+	case 12:
+		minwidth = 16; /* x16 capable boards */
+		break;
+	default:
+		minwidth = 8; /* x8 capable boards */
+		break;
+	}
+	if (qib_pcie_params(dd, minwidth, NULL, NULL))
+		qib_dev_err(dd, "Failed to setup PCIe or interrupts; "
+			    "continuing anyway\n");
+
+	/* save IRQ for possible later use */
+	dd->cspec->irq = pdev->irq;
+
+	if (qib_read_kreg64(dd, kr_hwerrstatus) &
+	    QLOGIC_IB_HWE_SERDESPLLFAILED)
+		qib_write_kreg(dd, kr_hwerrclear,
+			       QLOGIC_IB_HWE_SERDESPLLFAILED);
+
+	/* setup interrupt handler (interrupt type handled above) */
+	qib_setup_7220_interrupt(dd);
+	qib_7220_init_hwerrors(dd);
+
+	/* clear diagctrl register, in case diags were running and crashed */
+	qib_write_kreg(dd, kr_hwdiagctrl, 0);
+
+	goto bail;
+
+bail_cleanup:
+	qib_pcie_ddcleanup(dd);
+bail_free:
+	qib_free_devdata(dd);
+	dd = ERR_PTR(ret);
+bail:
+	return dd;
+}
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
new file mode 100644
index 00000000000..2c24eab35b5
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -0,0 +1,8058 @@
+/*
+ * Copyright (c) 2008, 2009, 2010 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This file contains all of the code that is specific to the
+ * InfiniPath 7322 chip
+ */
+
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/jiffies.h>
+#include <rdma/ib_verbs.h>
+#include <rdma/ib_smi.h>
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#include <linux/dca.h>
+#endif
+
+#include "qib.h"
+#include "qib_7322_regs.h"
+#include "qib_qsfp.h"
+
+#include "qib_mad.h"
+
+static void qib_setup_7322_setextled(struct qib_pportdata *, u32);
+static void qib_7322_handle_hwerrors(struct qib_devdata *, char *, size_t);
+static void sendctrl_7322_mod(struct qib_pportdata *ppd, u32 op);
+static irqreturn_t qib_7322intr(int irq, void *data);
+static irqreturn_t qib_7322bufavail(int irq, void *data);
+static irqreturn_t sdma_intr(int irq, void *data);
+static irqreturn_t sdma_idle_intr(int irq, void *data);
+static irqreturn_t sdma_progress_intr(int irq, void *data);
+static irqreturn_t sdma_cleanup_intr(int irq, void *data);
+static void qib_7322_txchk_change(struct qib_devdata *, u32, u32, u32,
+				  struct qib_ctxtdata *rcd);
+static u8 qib_7322_phys_portstate(u64);
+static u32 qib_7322_iblink_state(u64);
+static void qib_set_ib_7322_lstate(struct qib_pportdata *ppd, u16 linkcmd,
+				   u16 linitcmd);
+static void force_h1(struct qib_pportdata *);
+static void adj_tx_serdes(struct qib_pportdata *);
+static u32 qib_7322_setpbc_control(struct qib_pportdata *, u32, u8, u8);
+static void qib_7322_mini_pcs_reset(struct qib_pportdata *);
+
+static u32 ahb_mod(struct qib_devdata *, int, int, int, u32, u32);
+static void ibsd_wr_allchans(struct qib_pportdata *, int, unsigned, unsigned);
+
+#define BMASK(msb, lsb) (((1 << ((msb) + 1 - (lsb))) - 1) << (lsb))
+
+/* LE2 serdes values for different cases */
+#define LE2_DEFAULT 5
+#define LE2_5m 4
+#define LE2_QME 0
+
+/* Below is special-purpose, so only really works for the IB SerDes blocks. */
+#define IBSD(hw_pidx) (hw_pidx + 2)
+
+/* these are variables for documentation and experimentation purposes */
+static const unsigned rcv_int_timeout = 375;
+static const unsigned rcv_int_count = 16;
+static const unsigned sdma_idle_cnt = 64;
+
+/* Time to stop altering Rx Equalization parameters, after link up. */
+#define RXEQ_DISABLE_MSECS 2500
+
+/*
+ * Number of VLs we are configured to use (to allow for more
+ * credits per vl, etc.)
+ */
+ushort qib_num_cfg_vls = 2;
+module_param_named(num_vls, qib_num_cfg_vls, ushort, S_IRUGO);
+MODULE_PARM_DESC(num_vls, "Set number of Virtual Lanes to use (1-8)");
+
+static ushort qib_chase = 1;
+module_param_named(chase, qib_chase, ushort, S_IRUGO);
+MODULE_PARM_DESC(chase, "Enable state chase handling");
+
+static ushort qib_long_atten = 10; /* 10 dB ~= 5m length */
+module_param_named(long_attenuation, qib_long_atten, ushort, S_IRUGO);
+MODULE_PARM_DESC(long_attenuation, \
+		 "attenuation cutoff (dB) for long copper cable setup");
+
+static ushort qib_singleport;
+module_param_named(singleport, qib_singleport, ushort, S_IRUGO);
+MODULE_PARM_DESC(singleport, "Use only IB port 1; more per-port buffer space");
+
+
+/*
+ * Setup QMH7342 receive and transmit parameters, necessary because
+ * each bay, Mez connector, and IB port need different tuning, beyond
+ * what the switch and HCA can do automatically.
+ * It's expected to be done by cat'ing files to the modules file,
+ * rather than setting up as a module parameter.
+ * It's a "write-only" file, returns 0 when read back.
+ * The unit, port, bay (if given), and values MUST be done as a single write.
+ * The unit, port, and bay must precede the values to be effective.
+ */
+static int setup_qmh_params(const char *, struct kernel_param *);
+static unsigned dummy_qmh_params;
+module_param_call(qmh_serdes_setup, setup_qmh_params, param_get_uint,
+		  &dummy_qmh_params, S_IWUSR | S_IRUGO);
+
+/* similarly for QME7342, but it's simpler */
+static int setup_qme_params(const char *, struct kernel_param *);
+static unsigned dummy_qme_params;
+module_param_call(qme_serdes_setup, setup_qme_params, param_get_uint,
+		  &dummy_qme_params, S_IWUSR | S_IRUGO);
+
+#define MAX_ATTEN_LEN 64 /* plenty for any real system */
+/* for read back, default index is ~5m copper cable */
+static char cable_atten_list[MAX_ATTEN_LEN] = "10";
+static struct kparam_string kp_cable_atten = {
+	.string = cable_atten_list,
+	.maxlen = MAX_ATTEN_LEN
+};
+static int  setup_cable_atten(const char *, struct kernel_param *);
+module_param_call(cable_atten, setup_cable_atten, param_get_string,
+		  &kp_cable_atten, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(cable_atten, \
+		 "cable attenuation indices for cables with invalid EEPROM");
+
+#define BOARD_QME7342 5
+#define BOARD_QMH7342 6
+#define IS_QMH(dd) (SYM_FIELD((dd)->revision, Revision, BoardID) == \
+		    BOARD_QMH7342)
+#define IS_QME(dd) (SYM_FIELD((dd)->revision, Revision, BoardID) == \
+		    BOARD_QME7342)
+
+#define KREG_IDX(regname)     (QIB_7322_##regname##_OFFS / sizeof(u64))
+
+#define KREG_IBPORT_IDX(regname) ((QIB_7322_##regname##_0_OFFS / sizeof(u64)))
+
+#define MASK_ACROSS(lsb, msb) \
+	(((1ULL << ((msb) + 1 - (lsb))) - 1) << (lsb))
+
+#define SYM_RMASK(regname, fldname) ((u64)              \
+	QIB_7322_##regname##_##fldname##_RMASK)
+
+#define SYM_MASK(regname, fldname) ((u64)               \
+	QIB_7322_##regname##_##fldname##_RMASK <<       \
+	 QIB_7322_##regname##_##fldname##_LSB)
+
+#define SYM_FIELD(value, regname, fldname) ((u64)	\
+	(((value) >> SYM_LSB(regname, fldname)) &	\
+	 SYM_RMASK(regname, fldname)))
+
+/* useful for things like LaFifoEmpty_0...7, TxCreditOK_0...7, etc. */
+#define SYM_FIELD_ACROSS(value, regname, fldname, nbits) \
+	(((value) >> SYM_LSB(regname, fldname)) & MASK_ACROSS(0, nbits))
+
+#define HWE_MASK(fldname) SYM_MASK(HwErrMask, fldname##Mask)
+#define ERR_MASK(fldname) SYM_MASK(ErrMask, fldname##Mask)
+#define ERR_MASK_N(fldname) SYM_MASK(ErrMask_0, fldname##Mask)
+#define INT_MASK(fldname) SYM_MASK(IntMask, fldname##IntMask)
+#define INT_MASK_P(fldname, port) SYM_MASK(IntMask, fldname##IntMask##_##port)
+/* Below because most, but not all, fields of IntMask have that full suffix */
+#define INT_MASK_PM(fldname, port) SYM_MASK(IntMask, fldname##Mask##_##port)
+
+
+#define SYM_LSB(regname, fldname) (QIB_7322_##regname##_##fldname##_LSB)
+
+/*
+ * the size bits give us 2^N, in KB units.  0 marks as invalid,
+ * and 7 is reserved.  We currently use only 2KB and 4KB
+ */
+#define IBA7322_TID_SZ_SHIFT QIB_7322_RcvTIDArray0_RT_BufSize_LSB
+#define IBA7322_TID_SZ_2K (1UL<<IBA7322_TID_SZ_SHIFT) /* 2KB */
+#define IBA7322_TID_SZ_4K (2UL<<IBA7322_TID_SZ_SHIFT) /* 4KB */
+#define IBA7322_TID_PA_SHIFT 11U /* TID addr in chip stored w/o low bits */
+
+#define SendIBSLIDAssignMask \
+	QIB_7322_SendIBSLIDAssign_0_SendIBSLIDAssign_15_0_RMASK
+#define SendIBSLMCMask \
+	QIB_7322_SendIBSLIDMask_0_SendIBSLIDMask_15_0_RMASK
+
+#define ExtLED_IB1_YEL SYM_MASK(EXTCtrl, LEDPort0YellowOn)
+#define ExtLED_IB1_GRN SYM_MASK(EXTCtrl, LEDPort0GreenOn)
+#define ExtLED_IB2_YEL SYM_MASK(EXTCtrl, LEDPort1YellowOn)
+#define ExtLED_IB2_GRN SYM_MASK(EXTCtrl, LEDPort1GreenOn)
+#define ExtLED_IB1_MASK (ExtLED_IB1_YEL | ExtLED_IB1_GRN)
+#define ExtLED_IB2_MASK (ExtLED_IB2_YEL | ExtLED_IB2_GRN)
+
+#define _QIB_GPIO_SDA_NUM 1
+#define _QIB_GPIO_SCL_NUM 0
+#define QIB_EEPROM_WEN_NUM 14
+#define QIB_TWSI_EEPROM_DEV 0xA2 /* All Production 7322 cards. */
+
+/* HW counter clock is at 4nsec */
+#define QIB_7322_PSXMITWAIT_CHECK_RATE 4000
+
+/* full speed IB port 1 only */
+#define PORT_SPD_CAP (QIB_IB_SDR | QIB_IB_DDR | QIB_IB_QDR)
+#define PORT_SPD_CAP_SHIFT 3
+
+/* full speed featuremask, both ports */
+#define DUAL_PORT_CAP (PORT_SPD_CAP | (PORT_SPD_CAP << PORT_SPD_CAP_SHIFT))
+
+/*
+ * This file contains almost all the chip-specific register information and
+ * access functions for the FAKED QLogic InfiniPath 7322 PCI-Express chip.
+ */
+
+/* Use defines to tie machine-generated names to lower-case names */
+#define kr_contextcnt KREG_IDX(ContextCnt)
+#define kr_control KREG_IDX(Control)
+#define kr_counterregbase KREG_IDX(CntrRegBase)
+#define kr_errclear KREG_IDX(ErrClear)
+#define kr_errmask KREG_IDX(ErrMask)
+#define kr_errstatus KREG_IDX(ErrStatus)
+#define kr_extctrl KREG_IDX(EXTCtrl)
+#define kr_extstatus KREG_IDX(EXTStatus)
+#define kr_gpio_clear KREG_IDX(GPIOClear)
+#define kr_gpio_mask KREG_IDX(GPIOMask)
+#define kr_gpio_out KREG_IDX(GPIOOut)
+#define kr_gpio_status KREG_IDX(GPIOStatus)
+#define kr_hwdiagctrl KREG_IDX(HwDiagCtrl)
+#define kr_debugportval KREG_IDX(DebugPortValueReg)
+#define kr_fmask KREG_IDX(feature_mask)
+#define kr_act_fmask KREG_IDX(active_feature_mask)
+#define kr_hwerrclear KREG_IDX(HwErrClear)
+#define kr_hwerrmask KREG_IDX(HwErrMask)
+#define kr_hwerrstatus KREG_IDX(HwErrStatus)
+#define kr_intclear KREG_IDX(IntClear)
+#define kr_intmask KREG_IDX(IntMask)
+#define kr_intredirect KREG_IDX(IntRedirect0)
+#define kr_intstatus KREG_IDX(IntStatus)
+#define kr_pagealign KREG_IDX(PageAlign)
+#define kr_rcvavailtimeout KREG_IDX(RcvAvailTimeOut0)
+#define kr_rcvctrl KREG_IDX(RcvCtrl) /* Common, but chip also has per-port */
+#define kr_rcvegrbase KREG_IDX(RcvEgrBase)
+#define kr_rcvegrcnt KREG_IDX(RcvEgrCnt)
+#define kr_rcvhdrcnt KREG_IDX(RcvHdrCnt)
+#define kr_rcvhdrentsize KREG_IDX(RcvHdrEntSize)
+#define kr_rcvhdrsize KREG_IDX(RcvHdrSize)
+#define kr_rcvtidbase KREG_IDX(RcvTIDBase)
+#define kr_rcvtidcnt KREG_IDX(RcvTIDCnt)
+#define kr_revision KREG_IDX(Revision)
+#define kr_scratch KREG_IDX(Scratch)
+#define kr_sendbuffererror KREG_IDX(SendBufErr0) /* and base for 1 and 2 */
+#define kr_sendcheckmask KREG_IDX(SendCheckMask0) /* and 1, 2 */
+#define kr_sendctrl KREG_IDX(SendCtrl)
+#define kr_sendgrhcheckmask KREG_IDX(SendGRHCheckMask0) /* and 1, 2 */
+#define kr_sendibpktmask KREG_IDX(SendIBPacketMask0) /* and 1, 2 */
+#define kr_sendpioavailaddr KREG_IDX(SendBufAvailAddr)
+#define kr_sendpiobufbase KREG_IDX(SendBufBase)
+#define kr_sendpiobufcnt KREG_IDX(SendBufCnt)
+#define kr_sendpiosize KREG_IDX(SendBufSize)
+#define kr_sendregbase KREG_IDX(SendRegBase)
+#define kr_sendbufavail0 KREG_IDX(SendBufAvail0)
+#define kr_userregbase KREG_IDX(UserRegBase)
+#define kr_intgranted KREG_IDX(Int_Granted)
+#define kr_vecclr_wo_int KREG_IDX(vec_clr_without_int)
+#define kr_intblocked KREG_IDX(IntBlocked)
+#define kr_r_access KREG_IDX(SPC_JTAG_ACCESS_REG)
+
+/*
+ * per-port kernel registers.  Access only with qib_read_kreg_port()
+ * or qib_write_kreg_port()
+ */
+#define krp_errclear KREG_IBPORT_IDX(ErrClear)
+#define krp_errmask KREG_IBPORT_IDX(ErrMask)
+#define krp_errstatus KREG_IBPORT_IDX(ErrStatus)
+#define krp_highprio_0 KREG_IBPORT_IDX(HighPriority0)
+#define krp_highprio_limit KREG_IBPORT_IDX(HighPriorityLimit)
+#define krp_hrtbt_guid KREG_IBPORT_IDX(HRTBT_GUID)
+#define krp_ib_pcsconfig KREG_IBPORT_IDX(IBPCSConfig)
+#define krp_ibcctrl_a KREG_IBPORT_IDX(IBCCtrlA)
+#define krp_ibcctrl_b KREG_IBPORT_IDX(IBCCtrlB)
+#define krp_ibcctrl_c KREG_IBPORT_IDX(IBCCtrlC)
+#define krp_ibcstatus_a KREG_IBPORT_IDX(IBCStatusA)
+#define krp_ibcstatus_b KREG_IBPORT_IDX(IBCStatusB)
+#define krp_txestatus KREG_IBPORT_IDX(TXEStatus)
+#define krp_lowprio_0 KREG_IBPORT_IDX(LowPriority0)
+#define krp_ncmodectrl KREG_IBPORT_IDX(IBNCModeCtrl)
+#define krp_partitionkey KREG_IBPORT_IDX(RcvPartitionKey)
+#define krp_psinterval KREG_IBPORT_IDX(PSInterval)
+#define krp_psstart KREG_IBPORT_IDX(PSStart)
+#define krp_psstat KREG_IBPORT_IDX(PSStat)
+#define krp_rcvbthqp KREG_IBPORT_IDX(RcvBTHQP)
+#define krp_rcvctrl KREG_IBPORT_IDX(RcvCtrl)
+#define krp_rcvpktledcnt KREG_IBPORT_IDX(RcvPktLEDCnt)
+#define krp_rcvqpmaptable KREG_IBPORT_IDX(RcvQPMapTableA)
+#define krp_rxcreditvl0 KREG_IBPORT_IDX(RxCreditVL0)
+#define krp_rxcreditvl15 (KREG_IBPORT_IDX(RxCreditVL0)+15)
+#define krp_sendcheckcontrol KREG_IBPORT_IDX(SendCheckControl)
+#define krp_sendctrl KREG_IBPORT_IDX(SendCtrl)
+#define krp_senddmabase KREG_IBPORT_IDX(SendDmaBase)
+#define krp_senddmabufmask0 KREG_IBPORT_IDX(SendDmaBufMask0)
+#define krp_senddmabufmask1 (KREG_IBPORT_IDX(SendDmaBufMask0) + 1)
+#define krp_senddmabufmask2 (KREG_IBPORT_IDX(SendDmaBufMask0) + 2)
+#define krp_senddmabuf_use0 KREG_IBPORT_IDX(SendDmaBufUsed0)
+#define krp_senddmabuf_use1 (KREG_IBPORT_IDX(SendDmaBufUsed0) + 1)
+#define krp_senddmabuf_use2 (KREG_IBPORT_IDX(SendDmaBufUsed0) + 2)
+#define krp_senddmadesccnt KREG_IBPORT_IDX(SendDmaDescCnt)
+#define krp_senddmahead KREG_IBPORT_IDX(SendDmaHead)
+#define krp_senddmaheadaddr KREG_IBPORT_IDX(SendDmaHeadAddr)
+#define krp_senddmaidlecnt KREG_IBPORT_IDX(SendDmaIdleCnt)
+#define krp_senddmalengen KREG_IBPORT_IDX(SendDmaLenGen)
+#define krp_senddmaprioritythld KREG_IBPORT_IDX(SendDmaPriorityThld)
+#define krp_senddmareloadcnt KREG_IBPORT_IDX(SendDmaReloadCnt)
+#define krp_senddmastatus KREG_IBPORT_IDX(SendDmaStatus)
+#define krp_senddmatail KREG_IBPORT_IDX(SendDmaTail)
+#define krp_sendhdrsymptom KREG_IBPORT_IDX(SendHdrErrSymptom)
+#define krp_sendslid KREG_IBPORT_IDX(SendIBSLIDAssign)
+#define krp_sendslidmask KREG_IBPORT_IDX(SendIBSLIDMask)
+#define krp_ibsdtestiftx KREG_IBPORT_IDX(IB_SDTEST_IF_TX)
+#define krp_adapt_dis_timer KREG_IBPORT_IDX(ADAPT_DISABLE_TIMER_THRESHOLD)
+#define krp_tx_deemph_override KREG_IBPORT_IDX(IBSD_TX_DEEMPHASIS_OVERRIDE)
+#define krp_serdesctrl KREG_IBPORT_IDX(IBSerdesCtrl)
+
+/*
+ * Per-context kernel registers.  Acess only with qib_read_kreg_ctxt()
+ * or qib_write_kreg_ctxt()
+ */
+#define krc_rcvhdraddr KREG_IDX(RcvHdrAddr0)
+#define krc_rcvhdrtailaddr KREG_IDX(RcvHdrTailAddr0)
+
+/*
+ * TID Flow table, per context.  Reduces
+ * number of hdrq updates to one per flow (or on errors).
+ * context 0 and 1 share same memory, but have distinct
+ * addresses.  Since for now, we never use expected sends
+ * on kernel contexts, we don't worry about that (we initialize
+ * those entries for ctxt 0/1 on driver load twice, for example).
+ */
+#define NUM_TIDFLOWS_CTXT 0x20 /* 0x20 per context; have to hardcode */
+#define ur_rcvflowtable (KREG_IDX(RcvTIDFlowTable0) - KREG_IDX(RcvHdrTail0))
+
+/* these are the error bits in the tid flows, and are W1C */
+#define TIDFLOW_ERRBITS  ( \
+	(SYM_MASK(RcvTIDFlowTable0, GenMismatch) << \
+	SYM_LSB(RcvTIDFlowTable0, GenMismatch)) | \
+	(SYM_MASK(RcvTIDFlowTable0, SeqMismatch) << \
+	SYM_LSB(RcvTIDFlowTable0, SeqMismatch)))
+
+/* Most (not all) Counters are per-IBport.
+ * Requires LBIntCnt is at offset 0 in the group
+ */
+#define CREG_IDX(regname) \
+((QIB_7322_##regname##_0_OFFS - QIB_7322_LBIntCnt_OFFS) / sizeof(u64))
+
+#define crp_badformat CREG_IDX(RxVersionErrCnt)
+#define crp_err_rlen CREG_IDX(RxLenErrCnt)
+#define crp_erricrc CREG_IDX(RxICRCErrCnt)
+#define crp_errlink CREG_IDX(RxLinkMalformCnt)
+#define crp_errlpcrc CREG_IDX(RxLPCRCErrCnt)
+#define crp_errpkey CREG_IDX(RxPKeyMismatchCnt)
+#define crp_errvcrc CREG_IDX(RxVCRCErrCnt)
+#define crp_excessbufferovfl CREG_IDX(ExcessBufferOvflCnt)
+#define crp_iblinkdown CREG_IDX(IBLinkDownedCnt)
+#define crp_iblinkerrrecov CREG_IDX(IBLinkErrRecoveryCnt)
+#define crp_ibstatuschange CREG_IDX(IBStatusChangeCnt)
+#define crp_ibsymbolerr CREG_IDX(IBSymbolErrCnt)
+#define crp_invalidrlen CREG_IDX(RxMaxMinLenErrCnt)
+#define crp_locallinkintegrityerr CREG_IDX(LocalLinkIntegrityErrCnt)
+#define crp_pktrcv CREG_IDX(RxDataPktCnt)
+#define crp_pktrcvflowctrl CREG_IDX(RxFlowPktCnt)
+#define crp_pktsend CREG_IDX(TxDataPktCnt)
+#define crp_pktsendflow CREG_IDX(TxFlowPktCnt)
+#define crp_psrcvdatacount CREG_IDX(PSRcvDataCount)
+#define crp_psrcvpktscount CREG_IDX(PSRcvPktsCount)
+#define crp_psxmitdatacount CREG_IDX(PSXmitDataCount)
+#define crp_psxmitpktscount CREG_IDX(PSXmitPktsCount)
+#define crp_psxmitwaitcount CREG_IDX(PSXmitWaitCount)
+#define crp_rcvebp CREG_IDX(RxEBPCnt)
+#define crp_rcvflowctrlviol CREG_IDX(RxFlowCtrlViolCnt)
+#define crp_rcvovfl CREG_IDX(RxBufOvflCnt)
+#define crp_rxdlidfltr CREG_IDX(RxDlidFltrCnt)
+#define crp_rxdroppkt CREG_IDX(RxDroppedPktCnt)
+#define crp_rxotherlocalphyerr CREG_IDX(RxOtherLocalPhyErrCnt)
+#define crp_rxqpinvalidctxt CREG_IDX(RxQPInvalidContextCnt)
+#define crp_rxvlerr CREG_IDX(RxVlErrCnt)
+#define crp_sendstall CREG_IDX(TxFlowStallCnt)
+#define crp_txdroppedpkt CREG_IDX(TxDroppedPktCnt)
+#define crp_txhdrerr CREG_IDX(TxHeadersErrCnt)
+#define crp_txlenerr CREG_IDX(TxLenErrCnt)
+#define crp_txlenerr CREG_IDX(TxLenErrCnt)
+#define crp_txminmaxlenerr CREG_IDX(TxMaxMinLenErrCnt)
+#define crp_txsdmadesc CREG_IDX(TxSDmaDescCnt)
+#define crp_txunderrun CREG_IDX(TxUnderrunCnt)
+#define crp_txunsupvl CREG_IDX(TxUnsupVLErrCnt)
+#define crp_vl15droppedpkt CREG_IDX(RxVL15DroppedPktCnt)
+#define crp_wordrcv CREG_IDX(RxDwordCnt)
+#define crp_wordsend CREG_IDX(TxDwordCnt)
+#define crp_tx_creditstalls CREG_IDX(TxCreditUpToDateTimeOut)
+
+/* these are the (few) counters that are not port-specific */
+#define CREG_DEVIDX(regname) ((QIB_7322_##regname##_OFFS - \
+			QIB_7322_LBIntCnt_OFFS) / sizeof(u64))
+#define cr_base_egrovfl CREG_DEVIDX(RxP0HdrEgrOvflCnt)
+#define cr_lbint CREG_DEVIDX(LBIntCnt)
+#define cr_lbstall CREG_DEVIDX(LBFlowStallCnt)
+#define cr_pcieretrydiag CREG_DEVIDX(PcieRetryBufDiagQwordCnt)
+#define cr_rxtidflowdrop CREG_DEVIDX(RxTidFlowDropCnt)
+#define cr_tidfull CREG_DEVIDX(RxTIDFullErrCnt)
+#define cr_tidinvalid CREG_DEVIDX(RxTIDValidErrCnt)
+
+/* no chip register for # of IB ports supported, so define */
+#define NUM_IB_PORTS 2
+
+/* 1 VL15 buffer per hardware IB port, no register for this, so define */
+#define NUM_VL15_BUFS NUM_IB_PORTS
+
+/*
+ * context 0 and 1 are special, and there is no chip register that
+ * defines this value, so we have to define it here.
+ * These are all allocated to either 0 or 1 for single port
+ * hardware configuration, otherwise each gets half
+ */
+#define KCTXT0_EGRCNT 2048
+
+/* values for vl and port fields in PBC, 7322-specific */
+#define PBC_PORT_SEL_LSB 26
+#define PBC_PORT_SEL_RMASK 1
+#define PBC_VL_NUM_LSB 27
+#define PBC_VL_NUM_RMASK 7
+#define PBC_7322_VL15_SEND (1ULL << 63) /* pbc; VL15, no credit check */
+#define PBC_7322_VL15_SEND_CTRL (1ULL << 31) /* control version of same */
+
+static u8 ib_rate_to_delay[IB_RATE_120_GBPS + 1] = {
+	[IB_RATE_2_5_GBPS] = 16,
+	[IB_RATE_5_GBPS] = 8,
+	[IB_RATE_10_GBPS] = 4,
+	[IB_RATE_20_GBPS] = 2,
+	[IB_RATE_30_GBPS] = 2,
+	[IB_RATE_40_GBPS] = 1
+};
+
+#define IBA7322_LINKSPEED_SHIFT SYM_LSB(IBCStatusA_0, LinkSpeedActive)
+#define IBA7322_LINKWIDTH_SHIFT SYM_LSB(IBCStatusA_0, LinkWidthActive)
+
+/* link training states, from IBC */
+#define IB_7322_LT_STATE_DISABLED        0x00
+#define IB_7322_LT_STATE_LINKUP          0x01
+#define IB_7322_LT_STATE_POLLACTIVE      0x02
+#define IB_7322_LT_STATE_POLLQUIET       0x03
+#define IB_7322_LT_STATE_SLEEPDELAY      0x04
+#define IB_7322_LT_STATE_SLEEPQUIET      0x05
+#define IB_7322_LT_STATE_CFGDEBOUNCE     0x08
+#define IB_7322_LT_STATE_CFGRCVFCFG      0x09
+#define IB_7322_LT_STATE_CFGWAITRMT      0x0a
+#define IB_7322_LT_STATE_CFGIDLE         0x0b
+#define IB_7322_LT_STATE_RECOVERRETRAIN  0x0c
+#define IB_7322_LT_STATE_TXREVLANES      0x0d
+#define IB_7322_LT_STATE_RECOVERWAITRMT  0x0e
+#define IB_7322_LT_STATE_RECOVERIDLE     0x0f
+#define IB_7322_LT_STATE_CFGENH          0x10
+#define IB_7322_LT_STATE_CFGTEST         0x11
+
+/* link state machine states from IBC */
+#define IB_7322_L_STATE_DOWN             0x0
+#define IB_7322_L_STATE_INIT             0x1
+#define IB_7322_L_STATE_ARM              0x2
+#define IB_7322_L_STATE_ACTIVE           0x3
+#define IB_7322_L_STATE_ACT_DEFER        0x4
+
+static const u8 qib_7322_physportstate[0x20] = {
+	[IB_7322_LT_STATE_DISABLED] = IB_PHYSPORTSTATE_DISABLED,
+	[IB_7322_LT_STATE_LINKUP] = IB_PHYSPORTSTATE_LINKUP,
+	[IB_7322_LT_STATE_POLLACTIVE] = IB_PHYSPORTSTATE_POLL,
+	[IB_7322_LT_STATE_POLLQUIET] = IB_PHYSPORTSTATE_POLL,
+	[IB_7322_LT_STATE_SLEEPDELAY] = IB_PHYSPORTSTATE_SLEEP,
+	[IB_7322_LT_STATE_SLEEPQUIET] = IB_PHYSPORTSTATE_SLEEP,
+	[IB_7322_LT_STATE_CFGDEBOUNCE] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_7322_LT_STATE_CFGRCVFCFG] =
+		IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_7322_LT_STATE_CFGWAITRMT] =
+		IB_PHYSPORTSTATE_CFG_TRAIN,
+	[IB_7322_LT_STATE_CFGIDLE] = IB_PHYSPORTSTATE_CFG_IDLE,
+	[IB_7322_LT_STATE_RECOVERRETRAIN] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[IB_7322_LT_STATE_RECOVERWAITRMT] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[IB_7322_LT_STATE_RECOVERIDLE] =
+		IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+	[IB_7322_LT_STATE_CFGENH] = IB_PHYSPORTSTATE_CFG_ENH,
+	[IB_7322_LT_STATE_CFGTEST] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x12] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x13] = IB_PHYSPORTSTATE_CFG_WAIT_ENH,
+	[0x14] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x15] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x16] = IB_PHYSPORTSTATE_CFG_TRAIN,
+	[0x17] = IB_PHYSPORTSTATE_CFG_TRAIN
+};
+
+struct qib_chip_specific {
+	u64 __iomem *cregbase;
+	u64 *cntrs;
+	spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */
+	spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */
+	u64 main_int_mask;      /* clear bits which have dedicated handlers */
+	u64 int_enable_mask;  /* for per port interrupts in single port mode */
+	u64 errormask;
+	u64 hwerrmask;
+	u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */
+	u64 gpio_mask; /* shadow the gpio mask register */
+	u64 extctrl; /* shadow the gpio output enable, etc... */
+	u32 ncntrs;
+	u32 nportcntrs;
+	u32 cntrnamelen;
+	u32 portcntrnamelen;
+	u32 numctxts;
+	u32 rcvegrcnt;
+	u32 updthresh; /* current AvailUpdThld */
+	u32 updthresh_dflt; /* default AvailUpdThld */
+	u32 r1;
+	int irq;
+	u32 num_msix_entries;
+	u32 sdmabufcnt;
+	u32 lastbuf_for_pio;
+	u32 stay_in_freeze;
+	u32 recovery_ports_initted;
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+	u32 dca_ctrl;
+	int rhdr_cpu[18];
+	int sdma_cpu[2];
+	u64 dca_rcvhdr_ctrl[5]; /* B, C, D, E, F */
+#endif
+	struct msix_entry *msix_entries;
+	void  **msix_arg;
+	unsigned long *sendchkenable;
+	unsigned long *sendgrhchk;
+	unsigned long *sendibchk;
+	u32 rcvavail_timeout[18];
+	char emsgbuf[128]; /* for device error interrupt msg buffer */
+};
+
+/* Table of entries in "human readable" form Tx Emphasis. */
+struct txdds_ent {
+	u8 amp;
+	u8 pre;
+	u8 main;
+	u8 post;
+};
+
+struct vendor_txdds_ent {
+	u8 oui[QSFP_VOUI_LEN];
+	u8 *partnum;
+	struct txdds_ent sdr;
+	struct txdds_ent ddr;
+	struct txdds_ent qdr;
+};
+
+static void write_tx_serdes_param(struct qib_pportdata *, struct txdds_ent *);
+
+#define TXDDS_TABLE_SZ 16 /* number of entries per speed in onchip table */
+#define SERDES_CHANS 4 /* yes, it's obvious, but one less magic number */
+
+#define H1_FORCE_VAL 8
+#define H1_FORCE_QME 1 /*  may be overridden via setup_qme_params() */
+#define H1_FORCE_QMH 7 /*  may be overridden via setup_qmh_params() */
+
+/* The static and dynamic registers are paired, and the pairs indexed by spd */
+#define krp_static_adapt_dis(spd) (KREG_IBPORT_IDX(ADAPT_DISABLE_STATIC_SDR) \
+	+ ((spd) * 2))
+
+#define QDR_DFE_DISABLE_DELAY 4000 /* msec after LINKUP */
+#define QDR_STATIC_ADAPT_DOWN 0xf0f0f0f0ULL /* link down, H1-H4 QDR adapts */
+#define QDR_STATIC_ADAPT_DOWN_R1 0ULL /* r1 link down, H1-H4 QDR adapts */
+#define QDR_STATIC_ADAPT_INIT 0xffffffffffULL /* up, disable H0,H1-8, LE */
+#define QDR_STATIC_ADAPT_INIT_R1 0xf0ffffffffULL /* r1 up, disable H0,H1-8 */
+
+static const struct txdds_ent qmh_sdr_txdds =  { 11, 0,  5,  6 };
+static const struct txdds_ent qmh_ddr_txdds =  {  7, 0,  2,  8 };
+static const struct txdds_ent qmh_qdr_txdds =  {  0, 1,  3, 10 };
+
+/* this is used for unknown mez cards also */
+static const struct txdds_ent qme_sdr_txdds =  { 11, 0,  4,  4 };
+static const struct txdds_ent qme_ddr_txdds =  {  7, 0,  2,  7 };
+static const struct txdds_ent qme_qdr_txdds =  {  0, 1, 12, 11 };
+
+struct qib_chippport_specific {
+	u64 __iomem *kpregbase;
+	u64 __iomem *cpregbase;
+	u64 *portcntrs;
+	struct qib_pportdata *ppd;
+	wait_queue_head_t autoneg_wait;
+	struct delayed_work autoneg_work;
+	struct delayed_work ipg_work;
+	struct timer_list chase_timer;
+	/*
+	 * these 5 fields are used to establish deltas for IB symbol
+	 * errors and linkrecovery errors.  They can be reported on
+	 * some chips during link negotiation prior to INIT, and with
+	 * DDR when faking DDR negotiations with non-IBTA switches.
+	 * The chip counters are adjusted at driver unload if there is
+	 * a non-zero delta.
+	 */
+	u64 ibdeltainprog;
+	u64 ibsymdelta;
+	u64 ibsymsnap;
+	u64 iblnkerrdelta;
+	u64 iblnkerrsnap;
+	u64 iblnkdownsnap;
+	u64 iblnkdowndelta;
+	u64 ibmalfdelta;
+	u64 ibmalfsnap;
+	u64 ibcctrl_a; /* krp_ibcctrl_a shadow */
+	u64 ibcctrl_b; /* krp_ibcctrl_b shadow */
+	u64 qdr_dfe_time;
+	u64 chase_end;
+	u32 autoneg_tries;
+	u32 recovery_init;
+	u32 qdr_dfe_on;
+	u32 qdr_reforce;
+	/*
+	 * Per-bay per-channel rcv QMH H1 values and Tx values for QDR.
+	 * entry zero is unused, to simplify indexing
+	 */
+	u16 h1_val;
+	u8 amp[SERDES_CHANS];
+	u8 pre[SERDES_CHANS];
+	u8 mainv[SERDES_CHANS];
+	u8 post[SERDES_CHANS];
+	u8 no_eep;  /* attenuation index to use if no qsfp info */
+	u8 ipg_tries;
+	u8 ibmalfusesnap;
+	struct qib_qsfp_data qsfp_data;
+	char epmsgbuf[192]; /* for port error interrupt msg buffer */
+};
+
+static struct {
+	const char *name;
+	irq_handler_t handler;
+	int lsb;
+	int port; /* 0 if not port-specific, else port # */
+} irq_table[] = {
+	{ QIB_DRV_NAME, qib_7322intr, -1, 0 },
+	{ QIB_DRV_NAME " (buf avail)", qib_7322bufavail,
+		SYM_LSB(IntStatus, SendBufAvail), 0 },
+	{ QIB_DRV_NAME " (sdma 0)", sdma_intr,
+		SYM_LSB(IntStatus, SDmaInt_0), 1 },
+	{ QIB_DRV_NAME " (sdma 1)", sdma_intr,
+		SYM_LSB(IntStatus, SDmaInt_1), 2 },
+	{ QIB_DRV_NAME " (sdmaI 0)", sdma_idle_intr,
+		SYM_LSB(IntStatus, SDmaIdleInt_0), 1 },
+	{ QIB_DRV_NAME " (sdmaI 1)", sdma_idle_intr,
+		SYM_LSB(IntStatus, SDmaIdleInt_1), 2 },
+	{ QIB_DRV_NAME " (sdmaP 0)", sdma_progress_intr,
+		SYM_LSB(IntStatus, SDmaProgressInt_0), 1 },
+	{ QIB_DRV_NAME " (sdmaP 1)", sdma_progress_intr,
+		SYM_LSB(IntStatus, SDmaProgressInt_1), 2 },
+	{ QIB_DRV_NAME " (sdmaC 0)", sdma_cleanup_intr,
+		SYM_LSB(IntStatus, SDmaCleanupDone_0), 1 },
+	{ QIB_DRV_NAME " (sdmaC 1)", sdma_cleanup_intr,
+		SYM_LSB(IntStatus, SDmaCleanupDone_1), 2 },
+};
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+static const struct dca_reg_map {
+	int     shadow_inx;
+	int     lsb;
+	u64     mask;
+	u16     regno;
+} dca_rcvhdr_reg_map[] = {
+	{ 0, SYM_LSB(DCACtrlB, RcvHdrq0DCAOPH),
+	   ~SYM_MASK(DCACtrlB, RcvHdrq0DCAOPH) , KREG_IDX(DCACtrlB) },
+	{ 0, SYM_LSB(DCACtrlB, RcvHdrq1DCAOPH),
+	   ~SYM_MASK(DCACtrlB, RcvHdrq1DCAOPH) , KREG_IDX(DCACtrlB) },
+	{ 0, SYM_LSB(DCACtrlB, RcvHdrq2DCAOPH),
+	   ~SYM_MASK(DCACtrlB, RcvHdrq2DCAOPH) , KREG_IDX(DCACtrlB) },
+	{ 0, SYM_LSB(DCACtrlB, RcvHdrq3DCAOPH),
+	   ~SYM_MASK(DCACtrlB, RcvHdrq3DCAOPH) , KREG_IDX(DCACtrlB) },
+	{ 1, SYM_LSB(DCACtrlC, RcvHdrq4DCAOPH),
+	   ~SYM_MASK(DCACtrlC, RcvHdrq4DCAOPH) , KREG_IDX(DCACtrlC) },
+	{ 1, SYM_LSB(DCACtrlC, RcvHdrq5DCAOPH),
+	   ~SYM_MASK(DCACtrlC, RcvHdrq5DCAOPH) , KREG_IDX(DCACtrlC) },
+	{ 1, SYM_LSB(DCACtrlC, RcvHdrq6DCAOPH),
+	   ~SYM_MASK(DCACtrlC, RcvHdrq6DCAOPH) , KREG_IDX(DCACtrlC) },
+	{ 1, SYM_LSB(DCACtrlC, RcvHdrq7DCAOPH),
+	   ~SYM_MASK(DCACtrlC, RcvHdrq7DCAOPH) , KREG_IDX(DCACtrlC) },
+	{ 2, SYM_LSB(DCACtrlD, RcvHdrq8DCAOPH),
+	   ~SYM_MASK(DCACtrlD, RcvHdrq8DCAOPH) , KREG_IDX(DCACtrlD) },
+	{ 2, SYM_LSB(DCACtrlD, RcvHdrq9DCAOPH),
+	   ~SYM_MASK(DCACtrlD, RcvHdrq9DCAOPH) , KREG_IDX(DCACtrlD) },
+	{ 2, SYM_LSB(DCACtrlD, RcvHdrq10DCAOPH),
+	   ~SYM_MASK(DCACtrlD, RcvHdrq10DCAOPH) , KREG_IDX(DCACtrlD) },
+	{ 2, SYM_LSB(DCACtrlD, RcvHdrq11DCAOPH),
+	   ~SYM_MASK(DCACtrlD, RcvHdrq11DCAOPH) , KREG_IDX(DCACtrlD) },
+	{ 3, SYM_LSB(DCACtrlE, RcvHdrq12DCAOPH),
+	   ~SYM_MASK(DCACtrlE, RcvHdrq12DCAOPH) , KREG_IDX(DCACtrlE) },
+	{ 3, SYM_LSB(DCACtrlE, RcvHdrq13DCAOPH),
+	   ~SYM_MASK(DCACtrlE, RcvHdrq13DCAOPH) , KREG_IDX(DCACtrlE) },
+	{ 3, SYM_LSB(DCACtrlE, RcvHdrq14DCAOPH),
+	   ~SYM_MASK(DCACtrlE, RcvHdrq14DCAOPH) , KREG_IDX(DCACtrlE) },
+	{ 3, SYM_LSB(DCACtrlE, RcvHdrq15DCAOPH),
+	   ~SYM_MASK(DCACtrlE, RcvHdrq15DCAOPH) , KREG_IDX(DCACtrlE) },
+	{ 4, SYM_LSB(DCACtrlF, RcvHdrq16DCAOPH),
+	   ~SYM_MASK(DCACtrlF, RcvHdrq16DCAOPH) , KREG_IDX(DCACtrlF) },
+	{ 4, SYM_LSB(DCACtrlF, RcvHdrq17DCAOPH),
+	   ~SYM_MASK(DCACtrlF, RcvHdrq17DCAOPH) , KREG_IDX(DCACtrlF) },
+};
+#endif
+
+/* ibcctrl bits */
+#define QLOGIC_IB_IBCC_LINKINITCMD_DISABLE 1
+/* cycle through TS1/TS2 till OK */
+#define QLOGIC_IB_IBCC_LINKINITCMD_POLL 2
+/* wait for TS1, then go on */
+#define QLOGIC_IB_IBCC_LINKINITCMD_SLEEP 3
+#define QLOGIC_IB_IBCC_LINKINITCMD_SHIFT 16
+
+#define QLOGIC_IB_IBCC_LINKCMD_DOWN 1           /* move to 0x11 */
+#define QLOGIC_IB_IBCC_LINKCMD_ARMED 2          /* move to 0x21 */
+#define QLOGIC_IB_IBCC_LINKCMD_ACTIVE 3 /* move to 0x31 */
+
+#define BLOB_7322_IBCHG 0x101
+
+static inline void qib_write_kreg(const struct qib_devdata *dd,
+				  const u32 regno, u64 value);
+static inline u32 qib_read_kreg32(const struct qib_devdata *, const u32);
+static void write_7322_initregs(struct qib_devdata *);
+static void write_7322_init_portregs(struct qib_pportdata *);
+static void setup_7322_link_recovery(struct qib_pportdata *, u32);
+static void check_7322_rxe_status(struct qib_pportdata *);
+static u32 __iomem *qib_7322_getsendbuf(struct qib_pportdata *, u64, u32 *);
+
+/**
+ * qib_read_ureg32 - read 32-bit virtualized per-context register
+ * @dd: device
+ * @regno: register number
+ * @ctxt: context number
+ *
+ * Return the contents of a register that is virtualized to be per context.
+ * Returns -1 on errors (not distinguishable from valid contents at
+ * runtime; we may add a separate error variable at some point).
+ */
+static inline u32 qib_read_ureg32(const struct qib_devdata *dd,
+				  enum qib_ureg regno, int ctxt)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+	return readl(regno + (u64 __iomem *)(
+		(dd->ureg_align * ctxt) + (dd->userbase ?
+		 (char __iomem *)dd->userbase :
+		 (char __iomem *)dd->kregbase + dd->uregbase)));
+}
+
+/**
+ * qib_read_ureg - read virtualized per-context register
+ * @dd: device
+ * @regno: register number
+ * @ctxt: context number
+ *
+ * Return the contents of a register that is virtualized to be per context.
+ * Returns -1 on errors (not distinguishable from valid contents at
+ * runtime; we may add a separate error variable at some point).
+ */
+static inline u64 qib_read_ureg(const struct qib_devdata *dd,
+				enum qib_ureg regno, int ctxt)
+{
+
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+	return readq(regno + (u64 __iomem *)(
+		(dd->ureg_align * ctxt) + (dd->userbase ?
+		 (char __iomem *)dd->userbase :
+		 (char __iomem *)dd->kregbase + dd->uregbase)));
+}
+
+/**
+ * qib_write_ureg - write virtualized per-context register
+ * @dd: device
+ * @regno: register number
+ * @value: value
+ * @ctxt: context
+ *
+ * Write the contents of a register that is virtualized to be per context.
+ */
+static inline void qib_write_ureg(const struct qib_devdata *dd,
+				  enum qib_ureg regno, u64 value, int ctxt)
+{
+	u64 __iomem *ubase;
+	if (dd->userbase)
+		ubase = (u64 __iomem *)
+			((char __iomem *) dd->userbase +
+			 dd->ureg_align * ctxt);
+	else
+		ubase = (u64 __iomem *)
+			(dd->uregbase +
+			 (char __iomem *) dd->kregbase +
+			 dd->ureg_align * ctxt);
+
+	if (dd->kregbase && (dd->flags & QIB_PRESENT))
+		writeq(value, &ubase[regno]);
+}
+
+static inline u32 qib_read_kreg32(const struct qib_devdata *dd,
+				  const u32 regno)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return -1;
+	return readl((u32 __iomem *) &dd->kregbase[regno]);
+}
+
+static inline u64 qib_read_kreg64(const struct qib_devdata *dd,
+				  const u32 regno)
+{
+	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
+		return -1;
+	return readq(&dd->kregbase[regno]);
+}
+
+static inline void qib_write_kreg(const struct qib_devdata *dd,
+				  const u32 regno, u64 value)
+{
+	if (dd->kregbase && (dd->flags & QIB_PRESENT))
+		writeq(value, &dd->kregbase[regno]);
+}
+
+/*
+ * not many sanity checks for the port-specific kernel register routines,
+ * since they are only used when it's known to be safe.
+*/
+static inline u64 qib_read_kreg_port(const struct qib_pportdata *ppd,
+				     const u16 regno)
+{
+	if (!ppd->cpspec->kpregbase || !(ppd->dd->flags & QIB_PRESENT))
+		return 0ULL;
+	return readq(&ppd->cpspec->kpregbase[regno]);
+}
+
+static inline void qib_write_kreg_port(const struct qib_pportdata *ppd,
+				       const u16 regno, u64 value)
+{
+	if (ppd->cpspec && ppd->dd && ppd->cpspec->kpregbase &&
+	    (ppd->dd->flags & QIB_PRESENT))
+		writeq(value, &ppd->cpspec->kpregbase[regno]);
+}
+
+/**
+ * qib_write_kreg_ctxt - write a device's per-ctxt 64-bit kernel register
+ * @dd: the qlogic_ib device
+ * @regno: the register number to write
+ * @ctxt: the context containing the register
+ * @value: the value to write
+ */
+static inline void qib_write_kreg_ctxt(const struct qib_devdata *dd,
+				       const u16 regno, unsigned ctxt,
+				       u64 value)
+{
+	qib_write_kreg(dd, regno + ctxt, value);
+}
+
+static inline u64 read_7322_creg(const struct qib_devdata *dd, u16 regno)
+{
+	if (!dd->cspec->cregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+	return readq(&dd->cspec->cregbase[regno]);
+
+
+}
+
+static inline u32 read_7322_creg32(const struct qib_devdata *dd, u16 regno)
+{
+	if (!dd->cspec->cregbase || !(dd->flags & QIB_PRESENT))
+		return 0;
+	return readl(&dd->cspec->cregbase[regno]);
+
+
+}
+
+static inline void write_7322_creg_port(const struct qib_pportdata *ppd,
+					u16 regno, u64 value)
+{
+	if (ppd->cpspec && ppd->cpspec->cpregbase &&
+	    (ppd->dd->flags & QIB_PRESENT))
+		writeq(value, &ppd->cpspec->cpregbase[regno]);
+}
+
+static inline u64 read_7322_creg_port(const struct qib_pportdata *ppd,
+				      u16 regno)
+{
+	if (!ppd->cpspec || !ppd->cpspec->cpregbase ||
+	    !(ppd->dd->flags & QIB_PRESENT))
+		return 0;
+	return readq(&ppd->cpspec->cpregbase[regno]);
+}
+
+static inline u32 read_7322_creg32_port(const struct qib_pportdata *ppd,
+					u16 regno)
+{
+	if (!ppd->cpspec || !ppd->cpspec->cpregbase ||
+	    !(ppd->dd->flags & QIB_PRESENT))
+		return 0;
+	return readl(&ppd->cpspec->cpregbase[regno]);
+}
+
+/* bits in Control register */
+#define QLOGIC_IB_C_RESET SYM_MASK(Control, SyncReset)
+#define QLOGIC_IB_C_SDMAFETCHPRIOEN SYM_MASK(Control, SDmaDescFetchPriorityEn)
+
+/* bits in general interrupt regs */
+#define QIB_I_RCVURG_LSB SYM_LSB(IntMask, RcvUrg0IntMask)
+#define QIB_I_RCVURG_RMASK MASK_ACROSS(0, 17)
+#define QIB_I_RCVURG_MASK (QIB_I_RCVURG_RMASK << QIB_I_RCVURG_LSB)
+#define QIB_I_RCVAVAIL_LSB SYM_LSB(IntMask, RcvAvail0IntMask)
+#define QIB_I_RCVAVAIL_RMASK MASK_ACROSS(0, 17)
+#define QIB_I_RCVAVAIL_MASK (QIB_I_RCVAVAIL_RMASK << QIB_I_RCVAVAIL_LSB)
+#define QIB_I_C_ERROR INT_MASK(Err)
+
+#define QIB_I_SPIOSENT (INT_MASK_P(SendDone, 0) | INT_MASK_P(SendDone, 1))
+#define QIB_I_SPIOBUFAVAIL INT_MASK(SendBufAvail)
+#define QIB_I_GPIO INT_MASK(AssertGPIO)
+#define QIB_I_P_SDMAINT(pidx) \
+	(INT_MASK_P(SDma, pidx) | INT_MASK_P(SDmaIdle, pidx) | \
+	 INT_MASK_P(SDmaProgress, pidx) | \
+	 INT_MASK_PM(SDmaCleanupDone, pidx))
+
+/* Interrupt bits that are "per port" */
+#define QIB_I_P_BITSEXTANT(pidx) \
+	(INT_MASK_P(Err, pidx) | INT_MASK_P(SendDone, pidx) | \
+	INT_MASK_P(SDma, pidx) | INT_MASK_P(SDmaIdle, pidx) | \
+	INT_MASK_P(SDmaProgress, pidx) | \
+	INT_MASK_PM(SDmaCleanupDone, pidx))
+
+/* Interrupt bits that are common to a device */
+/* currently unused: QIB_I_SPIOSENT */
+#define QIB_I_C_BITSEXTANT \
+	(QIB_I_RCVURG_MASK | QIB_I_RCVAVAIL_MASK | \
+	QIB_I_SPIOSENT | \
+	QIB_I_C_ERROR | QIB_I_SPIOBUFAVAIL | QIB_I_GPIO)
+
+#define QIB_I_BITSEXTANT (QIB_I_C_BITSEXTANT | \
+	QIB_I_P_BITSEXTANT(0) | QIB_I_P_BITSEXTANT(1))
+
+/*
+ * Error bits that are "per port".
+ */
+#define QIB_E_P_IBSTATUSCHANGED ERR_MASK_N(IBStatusChanged)
+#define QIB_E_P_SHDR ERR_MASK_N(SHeadersErr)
+#define QIB_E_P_VL15_BUF_MISUSE ERR_MASK_N(VL15BufMisuseErr)
+#define QIB_E_P_SND_BUF_MISUSE ERR_MASK_N(SendBufMisuseErr)
+#define QIB_E_P_SUNSUPVL ERR_MASK_N(SendUnsupportedVLErr)
+#define QIB_E_P_SUNEXP_PKTNUM ERR_MASK_N(SendUnexpectedPktNumErr)
+#define QIB_E_P_SDROP_DATA ERR_MASK_N(SendDroppedDataPktErr)
+#define QIB_E_P_SDROP_SMP ERR_MASK_N(SendDroppedSmpPktErr)
+#define QIB_E_P_SPKTLEN ERR_MASK_N(SendPktLenErr)
+#define QIB_E_P_SUNDERRUN ERR_MASK_N(SendUnderRunErr)
+#define QIB_E_P_SMAXPKTLEN ERR_MASK_N(SendMaxPktLenErr)
+#define QIB_E_P_SMINPKTLEN ERR_MASK_N(SendMinPktLenErr)
+#define QIB_E_P_RIBLOSTLINK ERR_MASK_N(RcvIBLostLinkErr)
+#define QIB_E_P_RHDR ERR_MASK_N(RcvHdrErr)
+#define QIB_E_P_RHDRLEN ERR_MASK_N(RcvHdrLenErr)
+#define QIB_E_P_RBADTID ERR_MASK_N(RcvBadTidErr)
+#define QIB_E_P_RBADVERSION ERR_MASK_N(RcvBadVersionErr)
+#define QIB_E_P_RIBFLOW ERR_MASK_N(RcvIBFlowErr)
+#define QIB_E_P_REBP ERR_MASK_N(RcvEBPErr)
+#define QIB_E_P_RUNSUPVL ERR_MASK_N(RcvUnsupportedVLErr)
+#define QIB_E_P_RUNEXPCHAR ERR_MASK_N(RcvUnexpectedCharErr)
+#define QIB_E_P_RSHORTPKTLEN ERR_MASK_N(RcvShortPktLenErr)
+#define QIB_E_P_RLONGPKTLEN ERR_MASK_N(RcvLongPktLenErr)
+#define QIB_E_P_RMAXPKTLEN ERR_MASK_N(RcvMaxPktLenErr)
+#define QIB_E_P_RMINPKTLEN ERR_MASK_N(RcvMinPktLenErr)
+#define QIB_E_P_RICRC ERR_MASK_N(RcvICRCErr)
+#define QIB_E_P_RVCRC ERR_MASK_N(RcvVCRCErr)
+#define QIB_E_P_RFORMATERR ERR_MASK_N(RcvFormatErr)
+
+#define QIB_E_P_SDMA1STDESC ERR_MASK_N(SDma1stDescErr)
+#define QIB_E_P_SDMABASE ERR_MASK_N(SDmaBaseErr)
+#define QIB_E_P_SDMADESCADDRMISALIGN ERR_MASK_N(SDmaDescAddrMisalignErr)
+#define QIB_E_P_SDMADWEN ERR_MASK_N(SDmaDwEnErr)
+#define QIB_E_P_SDMAGENMISMATCH ERR_MASK_N(SDmaGenMismatchErr)
+#define QIB_E_P_SDMAHALT ERR_MASK_N(SDmaHaltErr)
+#define QIB_E_P_SDMAMISSINGDW ERR_MASK_N(SDmaMissingDwErr)
+#define QIB_E_P_SDMAOUTOFBOUND ERR_MASK_N(SDmaOutOfBoundErr)
+#define QIB_E_P_SDMARPYTAG ERR_MASK_N(SDmaRpyTagErr)
+#define QIB_E_P_SDMATAILOUTOFBOUND ERR_MASK_N(SDmaTailOutOfBoundErr)
+#define QIB_E_P_SDMAUNEXPDATA ERR_MASK_N(SDmaUnexpDataErr)
+
+/* Error bits that are common to a device */
+#define QIB_E_RESET ERR_MASK(ResetNegated)
+#define QIB_E_HARDWARE ERR_MASK(HardwareErr)
+#define QIB_E_INVALIDADDR ERR_MASK(InvalidAddrErr)
+
+
+/*
+ * Per chip (rather than per-port) errors.  Most either do
+ * nothing but trigger a print (because they self-recover, or
+ * always occur in tandem with other errors that handle the
+ * issue), or because they indicate errors with no recovery,
+ * but we want to know that they happened.
+ */
+#define QIB_E_SBUF_VL15_MISUSE ERR_MASK(SBufVL15MisUseErr)
+#define QIB_E_BADEEP ERR_MASK(InvalidEEPCmd)
+#define QIB_E_VLMISMATCH ERR_MASK(SendVLMismatchErr)
+#define QIB_E_ARMLAUNCH ERR_MASK(SendArmLaunchErr)
+#define QIB_E_SPCLTRIG ERR_MASK(SendSpecialTriggerErr)
+#define QIB_E_RRCVHDRFULL ERR_MASK(RcvHdrFullErr)
+#define QIB_E_RRCVEGRFULL ERR_MASK(RcvEgrFullErr)
+#define QIB_E_RCVCTXTSHARE ERR_MASK(RcvContextShareErr)
+
+/* SDMA chip errors (not per port)
+ * QIB_E_SDMA_BUF_DUP needs no special handling, because we will also get
+ * the SDMAHALT error immediately, so we just print the dup error via the
+ * E_AUTO mechanism.  This is true of most of the per-port fatal errors
+ * as well, but since this is port-independent, by definition, it's
+ * handled a bit differently.  SDMA_VL15 and SDMA_WRONG_PORT are per
+ * packet send errors, and so are handled in the same manner as other
+ * per-packet errors.
+ */
+#define QIB_E_SDMA_VL15 ERR_MASK(SDmaVL15Err)
+#define QIB_E_SDMA_WRONG_PORT ERR_MASK(SDmaWrongPortErr)
+#define QIB_E_SDMA_BUF_DUP ERR_MASK(SDmaBufMaskDuplicateErr)
+
+/*
+ * Below functionally equivalent to legacy QLOGIC_IB_E_PKTERRS
+ * it is used to print "common" packet errors.
+ */
+#define QIB_E_P_PKTERRS (QIB_E_P_SPKTLEN |\
+	QIB_E_P_SDROP_DATA | QIB_E_P_RVCRC |\
+	QIB_E_P_RICRC | QIB_E_P_RSHORTPKTLEN |\
+	QIB_E_P_VL15_BUF_MISUSE | QIB_E_P_SHDR | \
+	QIB_E_P_REBP)
+
+/* Error Bits that Packet-related (Receive, per-port) */
+#define QIB_E_P_RPKTERRS (\
+	QIB_E_P_RHDRLEN | QIB_E_P_RBADTID | \
+	QIB_E_P_RBADVERSION | QIB_E_P_RHDR | \
+	QIB_E_P_RLONGPKTLEN | QIB_E_P_RSHORTPKTLEN |\
+	QIB_E_P_RMAXPKTLEN | QIB_E_P_RMINPKTLEN | \
+	QIB_E_P_RFORMATERR | QIB_E_P_RUNSUPVL | \
+	QIB_E_P_RUNEXPCHAR | QIB_E_P_RIBFLOW | QIB_E_P_REBP)
+
+/*
+ * Error bits that are Send-related (per port)
+ * (ARMLAUNCH excluded from E_SPKTERRS because it gets special handling).
+ * All of these potentially need to have a buffer disarmed
+ */
+#define QIB_E_P_SPKTERRS (\
+	QIB_E_P_SUNEXP_PKTNUM |\
+	QIB_E_P_SDROP_DATA | QIB_E_P_SDROP_SMP |\
+	QIB_E_P_SMAXPKTLEN |\
+	QIB_E_P_VL15_BUF_MISUSE | QIB_E_P_SHDR | \
+	QIB_E_P_SMINPKTLEN | QIB_E_P_SPKTLEN | \
+	QIB_E_P_SND_BUF_MISUSE | QIB_E_P_SUNSUPVL)
+
+#define QIB_E_SPKTERRS ( \
+		QIB_E_SBUF_VL15_MISUSE | QIB_E_VLMISMATCH | \
+		ERR_MASK_N(SendUnsupportedVLErr) |			\
+		QIB_E_SPCLTRIG | QIB_E_SDMA_VL15 | QIB_E_SDMA_WRONG_PORT)
+
+#define QIB_E_P_SDMAERRS ( \
+	QIB_E_P_SDMAHALT | \
+	QIB_E_P_SDMADESCADDRMISALIGN | \
+	QIB_E_P_SDMAUNEXPDATA | \
+	QIB_E_P_SDMAMISSINGDW | \
+	QIB_E_P_SDMADWEN | \
+	QIB_E_P_SDMARPYTAG | \
+	QIB_E_P_SDMA1STDESC | \
+	QIB_E_P_SDMABASE | \
+	QIB_E_P_SDMATAILOUTOFBOUND | \
+	QIB_E_P_SDMAOUTOFBOUND | \
+	QIB_E_P_SDMAGENMISMATCH)
+
+/*
+ * This sets some bits more than once, but makes it more obvious which
+ * bits are not handled under other categories, and the repeat definition
+ * is not a problem.
+ */
+#define QIB_E_P_BITSEXTANT ( \
+	QIB_E_P_SPKTERRS | QIB_E_P_PKTERRS | QIB_E_P_RPKTERRS | \
+	QIB_E_P_RIBLOSTLINK | QIB_E_P_IBSTATUSCHANGED | \
+	QIB_E_P_SND_BUF_MISUSE | QIB_E_P_SUNDERRUN | \
+	QIB_E_P_SHDR | QIB_E_P_VL15_BUF_MISUSE | QIB_E_P_SDMAERRS \
+	)
+
+/*
+ * These are errors that can occur when the link
+ * changes state while a packet is being sent or received.  This doesn't
+ * cover things like EBP or VCRC that can be the result of a sending
+ * having the link change state, so we receive a "known bad" packet.
+ * All of these are "per port", so renamed:
+ */
+#define QIB_E_P_LINK_PKTERRS (\
+	QIB_E_P_SDROP_DATA | QIB_E_P_SDROP_SMP |\
+	QIB_E_P_SMINPKTLEN | QIB_E_P_SPKTLEN |\
+	QIB_E_P_RSHORTPKTLEN | QIB_E_P_RMINPKTLEN |\
+	QIB_E_P_RUNEXPCHAR)
+
+/*
+ * This sets some bits more than once, but makes it more obvious which
+ * bits are not handled under other categories (such as QIB_E_SPKTERRS),
+ * and the repeat definition is not a problem.
+ */
+#define QIB_E_C_BITSEXTANT (\
+	QIB_E_HARDWARE | QIB_E_INVALIDADDR | QIB_E_BADEEP |\
+	QIB_E_ARMLAUNCH | QIB_E_VLMISMATCH | QIB_E_RRCVHDRFULL |\
+	QIB_E_RRCVEGRFULL | QIB_E_RESET | QIB_E_SBUF_VL15_MISUSE)
+
+/* Likewise Neuter E_SPKT_ERRS_IGNORE */
+#define E_SPKT_ERRS_IGNORE 0
+
+#define QIB_EXTS_MEMBIST_DISABLED \
+	SYM_MASK(EXTStatus, MemBISTDisabled)
+#define QIB_EXTS_MEMBIST_ENDTEST \
+	SYM_MASK(EXTStatus, MemBISTEndTest)
+
+#define QIB_E_SPIOARMLAUNCH \
+	ERR_MASK(SendArmLaunchErr)
+
+#define IBA7322_IBCC_LINKINITCMD_MASK SYM_RMASK(IBCCtrlA_0, LinkInitCmd)
+#define IBA7322_IBCC_LINKCMD_SHIFT SYM_LSB(IBCCtrlA_0, LinkCmd)
+
+/*
+ * IBTA_1_2 is set when multiple speeds are enabled (normal),
+ * and also if forced QDR (only QDR enabled).  It's enabled for the
+ * forced QDR case so that scrambling will be enabled by the TS3
+ * exchange, when supported by both sides of the link.
+ */
+#define IBA7322_IBC_IBTA_1_2_MASK SYM_MASK(IBCCtrlB_0, IB_ENHANCED_MODE)
+#define IBA7322_IBC_MAX_SPEED_MASK SYM_MASK(IBCCtrlB_0, SD_SPEED)
+#define IBA7322_IBC_SPEED_QDR SYM_MASK(IBCCtrlB_0, SD_SPEED_QDR)
+#define IBA7322_IBC_SPEED_DDR SYM_MASK(IBCCtrlB_0, SD_SPEED_DDR)
+#define IBA7322_IBC_SPEED_SDR SYM_MASK(IBCCtrlB_0, SD_SPEED_SDR)
+#define IBA7322_IBC_SPEED_MASK (SYM_MASK(IBCCtrlB_0, SD_SPEED_SDR) | \
+	SYM_MASK(IBCCtrlB_0, SD_SPEED_DDR) | SYM_MASK(IBCCtrlB_0, SD_SPEED_QDR))
+#define IBA7322_IBC_SPEED_LSB SYM_LSB(IBCCtrlB_0, SD_SPEED_SDR)
+
+#define IBA7322_LEDBLINK_OFF_SHIFT SYM_LSB(RcvPktLEDCnt_0, OFFperiod)
+#define IBA7322_LEDBLINK_ON_SHIFT SYM_LSB(RcvPktLEDCnt_0, ONperiod)
+
+#define IBA7322_IBC_WIDTH_AUTONEG SYM_MASK(IBCCtrlB_0, IB_NUM_CHANNELS)
+#define IBA7322_IBC_WIDTH_4X_ONLY (1<<SYM_LSB(IBCCtrlB_0, IB_NUM_CHANNELS))
+#define IBA7322_IBC_WIDTH_1X_ONLY (0<<SYM_LSB(IBCCtrlB_0, IB_NUM_CHANNELS))
+
+#define IBA7322_IBC_RXPOL_MASK SYM_MASK(IBCCtrlB_0, IB_POLARITY_REV_SUPP)
+#define IBA7322_IBC_RXPOL_LSB SYM_LSB(IBCCtrlB_0, IB_POLARITY_REV_SUPP)
+#define IBA7322_IBC_HRTBT_MASK (SYM_MASK(IBCCtrlB_0, HRTBT_AUTO) | \
+	SYM_MASK(IBCCtrlB_0, HRTBT_ENB))
+#define IBA7322_IBC_HRTBT_RMASK (IBA7322_IBC_HRTBT_MASK >> \
+	SYM_LSB(IBCCtrlB_0, HRTBT_ENB))
+#define IBA7322_IBC_HRTBT_LSB SYM_LSB(IBCCtrlB_0, HRTBT_ENB)
+
+#define IBA7322_REDIRECT_VEC_PER_REG 12
+
+#define IBA7322_SENDCHK_PKEY SYM_MASK(SendCheckControl_0, PKey_En)
+#define IBA7322_SENDCHK_BTHQP SYM_MASK(SendCheckControl_0, BTHQP_En)
+#define IBA7322_SENDCHK_SLID SYM_MASK(SendCheckControl_0, SLID_En)
+#define IBA7322_SENDCHK_RAW_IPV6 SYM_MASK(SendCheckControl_0, RawIPV6_En)
+#define IBA7322_SENDCHK_MINSZ SYM_MASK(SendCheckControl_0, PacketTooSmall_En)
+
+#define AUTONEG_TRIES 3 /* sequential retries to negotiate DDR */
+
+#define HWE_AUTO(fldname) { .mask = SYM_MASK(HwErrMask, fldname##Mask), \
+	.msg = #fldname }
+#define HWE_AUTO_P(fldname, port) { .mask = SYM_MASK(HwErrMask, \
+	fldname##Mask##_##port), .msg = #fldname }
+static const struct qib_hwerror_msgs qib_7322_hwerror_msgs[] = {
+	HWE_AUTO_P(IBSerdesPClkNotDetect, 1),
+	HWE_AUTO_P(IBSerdesPClkNotDetect, 0),
+	HWE_AUTO(PCIESerdesPClkNotDetect),
+	HWE_AUTO(PowerOnBISTFailed),
+	HWE_AUTO(TempsenseTholdReached),
+	HWE_AUTO(MemoryErr),
+	HWE_AUTO(PCIeBusParityErr),
+	HWE_AUTO(PcieCplTimeout),
+	HWE_AUTO(PciePoisonedTLP),
+	HWE_AUTO_P(SDmaMemReadErr, 1),
+	HWE_AUTO_P(SDmaMemReadErr, 0),
+	HWE_AUTO_P(IBCBusFromSPCParityErr, 1),
+	HWE_AUTO_P(IBCBusFromSPCParityErr, 0),
+	HWE_AUTO_P(statusValidNoEop, 1),
+	HWE_AUTO_P(statusValidNoEop, 0),
+	HWE_AUTO(LATriggered),
+	{ .mask = 0 }
+};
+
+#define E_AUTO(fldname) { .mask = SYM_MASK(ErrMask, fldname##Mask), \
+	.msg = #fldname }
+#define E_P_AUTO(fldname) { .mask = SYM_MASK(ErrMask_0, fldname##Mask), \
+	.msg = #fldname }
+static const struct qib_hwerror_msgs qib_7322error_msgs[] = {
+	E_AUTO(ResetNegated),
+	E_AUTO(HardwareErr),
+	E_AUTO(InvalidAddrErr),
+	E_AUTO(SDmaVL15Err),
+	E_AUTO(SBufVL15MisUseErr),
+	E_AUTO(InvalidEEPCmd),
+	E_AUTO(RcvContextShareErr),
+	E_AUTO(SendVLMismatchErr),
+	E_AUTO(SendArmLaunchErr),
+	E_AUTO(SendSpecialTriggerErr),
+	E_AUTO(SDmaWrongPortErr),
+	E_AUTO(SDmaBufMaskDuplicateErr),
+	E_AUTO(RcvHdrFullErr),
+	E_AUTO(RcvEgrFullErr),
+	{ .mask = 0 }
+};
+
+static const struct  qib_hwerror_msgs qib_7322p_error_msgs[] = {
+	E_P_AUTO(IBStatusChanged),
+	E_P_AUTO(SHeadersErr),
+	E_P_AUTO(VL15BufMisuseErr),
+	/*
+	 * SDmaHaltErr is not really an error, make it clearer;
+	 */
+	{.mask = SYM_MASK(ErrMask_0, SDmaHaltErrMask), .msg = "SDmaHalted"},
+	E_P_AUTO(SDmaDescAddrMisalignErr),
+	E_P_AUTO(SDmaUnexpDataErr),
+	E_P_AUTO(SDmaMissingDwErr),
+	E_P_AUTO(SDmaDwEnErr),
+	E_P_AUTO(SDmaRpyTagErr),
+	E_P_AUTO(SDma1stDescErr),
+	E_P_AUTO(SDmaBaseErr),
+	E_P_AUTO(SDmaTailOutOfBoundErr),
+	E_P_AUTO(SDmaOutOfBoundErr),
+	E_P_AUTO(SDmaGenMismatchErr),
+	E_P_AUTO(SendBufMisuseErr),
+	E_P_AUTO(SendUnsupportedVLErr),
+	E_P_AUTO(SendUnexpectedPktNumErr),
+	E_P_AUTO(SendDroppedDataPktErr),
+	E_P_AUTO(SendDroppedSmpPktErr),
+	E_P_AUTO(SendPktLenErr),
+	E_P_AUTO(SendUnderRunErr),
+	E_P_AUTO(SendMaxPktLenErr),
+	E_P_AUTO(SendMinPktLenErr),
+	E_P_AUTO(RcvIBLostLinkErr),
+	E_P_AUTO(RcvHdrErr),
+	E_P_AUTO(RcvHdrLenErr),
+	E_P_AUTO(RcvBadTidErr),
+	E_P_AUTO(RcvBadVersionErr),
+	E_P_AUTO(RcvIBFlowErr),
+	E_P_AUTO(RcvEBPErr),
+	E_P_AUTO(RcvUnsupportedVLErr),
+	E_P_AUTO(RcvUnexpectedCharErr),
+	E_P_AUTO(RcvShortPktLenErr),
+	E_P_AUTO(RcvLongPktLenErr),
+	E_P_AUTO(RcvMaxPktLenErr),
+	E_P_AUTO(RcvMinPktLenErr),
+	E_P_AUTO(RcvICRCErr),
+	E_P_AUTO(RcvVCRCErr),
+	E_P_AUTO(RcvFormatErr),
+	{ .mask = 0 }
+};
+
+/*
+ * Below generates "auto-message" for interrupts not specific to any port or
+ * context
+ */
+#define INTR_AUTO(fldname) { .mask = SYM_MASK(IntMask, fldname##Mask), \
+	.msg = #fldname }
+/* Below generates "auto-message" for interrupts specific to a port */
+#define INTR_AUTO_P(fldname) { .mask = MASK_ACROSS(\
+	SYM_LSB(IntMask, fldname##Mask##_0), \
+	SYM_LSB(IntMask, fldname##Mask##_1)), \
+	.msg = #fldname "_P" }
+/* For some reason, the SerDesTrimDone bits are reversed */
+#define INTR_AUTO_PI(fldname) { .mask = MASK_ACROSS(\
+	SYM_LSB(IntMask, fldname##Mask##_1), \
+	SYM_LSB(IntMask, fldname##Mask##_0)), \
+	.msg = #fldname "_P" }
+/*
+ * Below generates "auto-message" for interrupts specific to a context,
+ * with ctxt-number appended
+ */
+#define INTR_AUTO_C(fldname) { .mask = MASK_ACROSS(\
+	SYM_LSB(IntMask, fldname##0IntMask), \
+	SYM_LSB(IntMask, fldname##17IntMask)), \
+	.msg = #fldname "_C"}
+
+static const struct  qib_hwerror_msgs qib_7322_intr_msgs[] = {
+	INTR_AUTO_P(SDmaInt),
+	INTR_AUTO_P(SDmaProgressInt),
+	INTR_AUTO_P(SDmaIdleInt),
+	INTR_AUTO_P(SDmaCleanupDone),
+	INTR_AUTO_C(RcvUrg),
+	INTR_AUTO_P(ErrInt),
+	INTR_AUTO(ErrInt),      /* non-port-specific errs */
+	INTR_AUTO(AssertGPIOInt),
+	INTR_AUTO_P(SendDoneInt),
+	INTR_AUTO(SendBufAvailInt),
+	INTR_AUTO_C(RcvAvail),
+	{ .mask = 0 }
+};
+
+#define TXSYMPTOM_AUTO_P(fldname) \
+	{ .mask = SYM_MASK(SendHdrErrSymptom_0, fldname), .msg = #fldname }
+static const struct  qib_hwerror_msgs hdrchk_msgs[] = {
+	TXSYMPTOM_AUTO_P(NonKeyPacket),
+	TXSYMPTOM_AUTO_P(GRHFail),
+	TXSYMPTOM_AUTO_P(PkeyFail),
+	TXSYMPTOM_AUTO_P(QPFail),
+	TXSYMPTOM_AUTO_P(SLIDFail),
+	TXSYMPTOM_AUTO_P(RawIPV6),
+	TXSYMPTOM_AUTO_P(PacketTooSmall),
+	{ .mask = 0 }
+};
+
+#define IBA7322_HDRHEAD_PKTINT_SHIFT 32 /* interrupt cnt in upper 32 bits */
+
+/*
+ * Called when we might have an error that is specific to a particular
+ * PIO buffer, and may need to cancel that buffer, so it can be re-used,
+ * because we don't need to force the update of pioavail
+ */
+static void qib_disarm_7322_senderrbufs(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u32 i;
+	int any;
+	u32 piobcnt = dd->piobcnt2k + dd->piobcnt4k + NUM_VL15_BUFS;
+	u32 regcnt = (piobcnt + BITS_PER_LONG - 1) / BITS_PER_LONG;
+	unsigned long sbuf[4];
+
+	/*
+	 * It's possible that sendbuffererror could have bits set; might
+	 * have already done this as a result of hardware error handling.
+	 */
+	any = 0;
+	for (i = 0; i < regcnt; ++i) {
+		sbuf[i] = qib_read_kreg64(dd, kr_sendbuffererror + i);
+		if (sbuf[i]) {
+			any = 1;
+			qib_write_kreg(dd, kr_sendbuffererror + i, sbuf[i]);
+		}
+	}
+
+	if (any)
+		qib_disarm_piobufs_set(dd, sbuf, piobcnt);
+}
+
+/* No txe_recover yet, if ever */
+
+/* No decode__errors yet */
+static void err_decode(char *msg, size_t len, u64 errs,
+		       const struct qib_hwerror_msgs *msp)
+{
+	u64 these, lmask;
+	int took, multi, n = 0;
+
+	while (msp && msp->mask) {
+		multi = (msp->mask & (msp->mask - 1));
+		while (errs & msp->mask) {
+			these = (errs & msp->mask);
+			lmask = (these & (these - 1)) ^ these;
+			if (len) {
+				if (n++) {
+					/* separate the strings */
+					*msg++ = ',';
+					len--;
+				}
+				took = scnprintf(msg, len, "%s", msp->msg);
+				len -= took;
+				msg += took;
+			}
+			errs &= ~lmask;
+			if (len && multi) {
+				/* More than one bit this mask */
+				int idx = -1;
+
+				while (lmask & msp->mask) {
+					++idx;
+					lmask >>= 1;
+				}
+				took = scnprintf(msg, len, "_%d", idx);
+				len -= took;
+				msg += took;
+			}
+		}
+		++msp;
+	}
+	/* If some bits are left, show in hex. */
+	if (len && errs)
+		snprintf(msg, len, "%sMORE:%llX", n ? "," : "",
+			(unsigned long long) errs);
+}
+
+/* only called if r1 set */
+static void flush_fifo(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u32 __iomem *piobuf;
+	u32 bufn;
+	u32 *hdr;
+	u64 pbc;
+	const unsigned hdrwords = 7;
+	static struct qib_ib_header ibhdr = {
+		.lrh[0] = cpu_to_be16(0xF000 | QIB_LRH_BTH),
+		.lrh[1] = IB_LID_PERMISSIVE,
+		.lrh[2] = cpu_to_be16(hdrwords + SIZE_OF_CRC),
+		.lrh[3] = IB_LID_PERMISSIVE,
+		.u.oth.bth[0] = cpu_to_be32(
+			(IB_OPCODE_UD_SEND_ONLY << 24) | QIB_DEFAULT_P_KEY),
+		.u.oth.bth[1] = cpu_to_be32(0),
+		.u.oth.bth[2] = cpu_to_be32(0),
+		.u.oth.u.ud.deth[0] = cpu_to_be32(0),
+		.u.oth.u.ud.deth[1] = cpu_to_be32(0),
+	};
+
+	/*
+	 * Send a dummy VL15 packet to flush the launch FIFO.
+	 * This will not actually be sent since the TxeBypassIbc bit is set.
+	 */
+	pbc = PBC_7322_VL15_SEND |
+		(((u64)ppd->hw_pidx) << (PBC_PORT_SEL_LSB + 32)) |
+		(hdrwords + SIZE_OF_CRC);
+	piobuf = qib_7322_getsendbuf(ppd, pbc, &bufn);
+	if (!piobuf)
+		return;
+	writeq(pbc, piobuf);
+	hdr = (u32 *) &ibhdr;
+	if (dd->flags & QIB_PIO_FLUSH_WC) {
+		qib_flush_wc();
+		qib_pio_copy(piobuf + 2, hdr, hdrwords - 1);
+		qib_flush_wc();
+		__raw_writel(hdr[hdrwords - 1], piobuf + hdrwords + 1);
+		qib_flush_wc();
+	} else
+		qib_pio_copy(piobuf + 2, hdr, hdrwords);
+	qib_sendbuf_done(dd, bufn);
+}
+
+/*
+ * This is called with interrupts disabled and sdma_lock held.
+ */
+static void qib_7322_sdma_sendctrl(struct qib_pportdata *ppd, unsigned op)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 set_sendctrl = 0;
+	u64 clr_sendctrl = 0;
+
+	if (op & QIB_SDMA_SENDCTRL_OP_ENABLE)
+		set_sendctrl |= SYM_MASK(SendCtrl_0, SDmaEnable);
+	else
+		clr_sendctrl |= SYM_MASK(SendCtrl_0, SDmaEnable);
+
+	if (op & QIB_SDMA_SENDCTRL_OP_INTENABLE)
+		set_sendctrl |= SYM_MASK(SendCtrl_0, SDmaIntEnable);
+	else
+		clr_sendctrl |= SYM_MASK(SendCtrl_0, SDmaIntEnable);
+
+	if (op & QIB_SDMA_SENDCTRL_OP_HALT)
+		set_sendctrl |= SYM_MASK(SendCtrl_0, SDmaHalt);
+	else
+		clr_sendctrl |= SYM_MASK(SendCtrl_0, SDmaHalt);
+
+	if (op & QIB_SDMA_SENDCTRL_OP_DRAIN)
+		set_sendctrl |= SYM_MASK(SendCtrl_0, TxeBypassIbc) |
+				SYM_MASK(SendCtrl_0, TxeAbortIbc) |
+				SYM_MASK(SendCtrl_0, TxeDrainRmFifo);
+	else
+		clr_sendctrl |= SYM_MASK(SendCtrl_0, TxeBypassIbc) |
+				SYM_MASK(SendCtrl_0, TxeAbortIbc) |
+				SYM_MASK(SendCtrl_0, TxeDrainRmFifo);
+
+	spin_lock(&dd->sendctrl_lock);
+
+	/* If we are draining everything, block sends first */
+	if (op & QIB_SDMA_SENDCTRL_OP_DRAIN) {
+		ppd->p_sendctrl &= ~SYM_MASK(SendCtrl_0, SendEnable);
+		qib_write_kreg_port(ppd, krp_sendctrl, ppd->p_sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+	}
+
+	ppd->p_sendctrl |= set_sendctrl;
+	ppd->p_sendctrl &= ~clr_sendctrl;
+
+	if (op & QIB_SDMA_SENDCTRL_OP_CLEANUP)
+		qib_write_kreg_port(ppd, krp_sendctrl,
+				    ppd->p_sendctrl |
+				    SYM_MASK(SendCtrl_0, SDmaCleanup));
+	else
+		qib_write_kreg_port(ppd, krp_sendctrl, ppd->p_sendctrl);
+	qib_write_kreg(dd, kr_scratch, 0);
+
+	if (op & QIB_SDMA_SENDCTRL_OP_DRAIN) {
+		ppd->p_sendctrl |= SYM_MASK(SendCtrl_0, SendEnable);
+		qib_write_kreg_port(ppd, krp_sendctrl, ppd->p_sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+	}
+
+	spin_unlock(&dd->sendctrl_lock);
+
+	if ((op & QIB_SDMA_SENDCTRL_OP_DRAIN) && ppd->dd->cspec->r1)
+		flush_fifo(ppd);
+}
+
+static void qib_7322_sdma_hw_clean_up(struct qib_pportdata *ppd)
+{
+	__qib_sdma_process_event(ppd, qib_sdma_event_e50_hw_cleaned);
+}
+
+static void qib_sdma_7322_setlengen(struct qib_pportdata *ppd)
+{
+	/*
+	 * Set SendDmaLenGen and clear and set
+	 * the MSB of the generation count to enable generation checking
+	 * and load the internal generation counter.
+	 */
+	qib_write_kreg_port(ppd, krp_senddmalengen, ppd->sdma_descq_cnt);
+	qib_write_kreg_port(ppd, krp_senddmalengen,
+			    ppd->sdma_descq_cnt |
+			    (1ULL << QIB_7322_SendDmaLenGen_0_Generation_MSB));
+}
+
+/*
+ * Must be called with sdma_lock held, or before init finished.
+ */
+static void qib_sdma_update_7322_tail(struct qib_pportdata *ppd, u16 tail)
+{
+	/* Commit writes to memory and advance the tail on the chip */
+	wmb();
+	ppd->sdma_descq_tail = tail;
+	qib_write_kreg_port(ppd, krp_senddmatail, tail);
+}
+
+/*
+ * This is called with interrupts disabled and sdma_lock held.
+ */
+static void qib_7322_sdma_hw_start_up(struct qib_pportdata *ppd)
+{
+	/*
+	 * Drain all FIFOs.
+	 * The hardware doesn't require this but we do it so that verbs
+	 * and user applications don't wait for link active to send stale
+	 * data.
+	 */
+	sendctrl_7322_mod(ppd, QIB_SENDCTRL_FLUSH);
+
+	qib_sdma_7322_setlengen(ppd);
+	qib_sdma_update_7322_tail(ppd, 0); /* Set SendDmaTail */
+	ppd->sdma_head_dma[0] = 0;
+	qib_7322_sdma_sendctrl(ppd,
+		ppd->sdma_state.current_op | QIB_SDMA_SENDCTRL_OP_CLEANUP);
+}
+
+#define DISABLES_SDMA ( \
+	QIB_E_P_SDMAHALT | \
+	QIB_E_P_SDMADESCADDRMISALIGN | \
+	QIB_E_P_SDMAMISSINGDW | \
+	QIB_E_P_SDMADWEN | \
+	QIB_E_P_SDMARPYTAG | \
+	QIB_E_P_SDMA1STDESC | \
+	QIB_E_P_SDMABASE | \
+	QIB_E_P_SDMATAILOUTOFBOUND | \
+	QIB_E_P_SDMAOUTOFBOUND | \
+	QIB_E_P_SDMAGENMISMATCH)
+
+static void sdma_7322_p_errors(struct qib_pportdata *ppd, u64 errs)
+{
+	unsigned long flags;
+	struct qib_devdata *dd = ppd->dd;
+
+	errs &= QIB_E_P_SDMAERRS;
+
+	if (errs & QIB_E_P_SDMAUNEXPDATA)
+		qib_dev_err(dd, "IB%u:%u SDmaUnexpData\n", dd->unit,
+			    ppd->port);
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+
+	switch (ppd->sdma_state.current_state) {
+	case qib_sdma_state_s00_hw_down:
+		break;
+
+	case qib_sdma_state_s10_hw_start_up_wait:
+		if (errs & QIB_E_P_SDMAHALT)
+			__qib_sdma_process_event(ppd,
+				qib_sdma_event_e20_hw_started);
+		break;
+
+	case qib_sdma_state_s20_idle:
+		break;
+
+	case qib_sdma_state_s30_sw_clean_up_wait:
+		break;
+
+	case qib_sdma_state_s40_hw_clean_up_wait:
+		if (errs & QIB_E_P_SDMAHALT)
+			__qib_sdma_process_event(ppd,
+				qib_sdma_event_e50_hw_cleaned);
+		break;
+
+	case qib_sdma_state_s50_hw_halt_wait:
+		if (errs & QIB_E_P_SDMAHALT)
+			__qib_sdma_process_event(ppd,
+				qib_sdma_event_e60_hw_halted);
+		break;
+
+	case qib_sdma_state_s99_running:
+		__qib_sdma_process_event(ppd, qib_sdma_event_e7322_err_halted);
+		__qib_sdma_process_event(ppd, qib_sdma_event_e60_hw_halted);
+		break;
+	}
+
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+}
+
+/*
+ * handle per-device errors (not per-port errors)
+ */
+static noinline void handle_7322_errors(struct qib_devdata *dd)
+{
+	char *msg;
+	u64 iserr = 0;
+	u64 errs;
+	u64 mask;
+	int log_idx;
+
+	qib_stats.sps_errints++;
+	errs = qib_read_kreg64(dd, kr_errstatus);
+	if (!errs) {
+		qib_devinfo(dd->pcidev, "device error interrupt, "
+			 "but no error bits set!\n");
+		goto done;
+	}
+
+	/* don't report errors that are masked */
+	errs &= dd->cspec->errormask;
+	msg = dd->cspec->emsgbuf;
+
+	/* do these first, they are most important */
+	if (errs & QIB_E_HARDWARE) {
+		*msg = '\0';
+		qib_7322_handle_hwerrors(dd, msg, sizeof dd->cspec->emsgbuf);
+	} else
+		for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
+			if (errs & dd->eep_st_masks[log_idx].errs_to_log)
+				qib_inc_eeprom_err(dd, log_idx, 1);
+
+	if (errs & QIB_E_SPKTERRS) {
+		qib_disarm_7322_senderrbufs(dd->pport);
+		qib_stats.sps_txerrs++;
+	} else if (errs & QIB_E_INVALIDADDR)
+		qib_stats.sps_txerrs++;
+	else if (errs & QIB_E_ARMLAUNCH) {
+		qib_stats.sps_txerrs++;
+		qib_disarm_7322_senderrbufs(dd->pport);
+	}
+	qib_write_kreg(dd, kr_errclear, errs);
+
+	/*
+	 * The ones we mask off are handled specially below
+	 * or above.  Also mask SDMADISABLED by default as it
+	 * is too chatty.
+	 */
+	mask = QIB_E_HARDWARE;
+	*msg = '\0';
+
+	err_decode(msg, sizeof dd->cspec->emsgbuf, errs & ~mask,
+		   qib_7322error_msgs);
+
+	/*
+	 * Getting reset is a tragedy for all ports. Mark the device
+	 * _and_ the ports as "offline" in way meaningful to each.
+	 */
+	if (errs & QIB_E_RESET) {
+		int pidx;
+
+		qib_dev_err(dd, "Got reset, requires re-init "
+			    "(unload and reload driver)\n");
+		dd->flags &= ~QIB_INITTED;  /* needs re-init */
+		/* mark as having had error */
+		*dd->devstatusp |= QIB_STATUS_HWERROR;
+		for (pidx = 0; pidx < dd->num_pports; ++pidx)
+			if (dd->pport[pidx].link_speed_supported)
+				*dd->pport[pidx].statusp &= ~QIB_STATUS_IB_CONF;
+	}
+
+	if (*msg && iserr)
+		qib_dev_err(dd, "%s error\n", msg);
+
+	/*
+	 * If there were hdrq or egrfull errors, wake up any processes
+	 * waiting in poll.  We used to try to check which contexts had
+	 * the overflow, but given the cost of that and the chip reads
+	 * to support it, it's better to just wake everybody up if we
+	 * get an overflow; waiters can poll again if it's not them.
+	 */
+	if (errs & (ERR_MASK(RcvEgrFullErr) | ERR_MASK(RcvHdrFullErr))) {
+		qib_handle_urcv(dd, ~0U);
+		if (errs & ERR_MASK(RcvEgrFullErr))
+			qib_stats.sps_buffull++;
+		else
+			qib_stats.sps_hdrfull++;
+	}
+
+done:
+	return;
+}
+
+static void reenable_chase(unsigned long opaque)
+{
+	struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
+
+	ppd->cpspec->chase_timer.expires = 0;
+	qib_set_ib_7322_lstate(ppd, QLOGIC_IB_IBCC_LINKCMD_DOWN,
+		QLOGIC_IB_IBCC_LINKINITCMD_POLL);
+}
+
+static void disable_chase(struct qib_pportdata *ppd, u64 tnow, u8 ibclt)
+{
+	ppd->cpspec->chase_end = 0;
+
+	if (!qib_chase)
+		return;
+
+	qib_set_ib_7322_lstate(ppd, QLOGIC_IB_IBCC_LINKCMD_DOWN,
+		QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
+	ppd->cpspec->chase_timer.expires = jiffies + QIB_CHASE_DIS_TIME;
+	add_timer(&ppd->cpspec->chase_timer);
+}
+
+static void handle_serdes_issues(struct qib_pportdata *ppd, u64 ibcst)
+{
+	u8 ibclt;
+	u64 tnow;
+
+	ibclt = (u8)SYM_FIELD(ibcst, IBCStatusA_0, LinkTrainingState);
+
+	/*
+	 * Detect and handle the state chase issue, where we can
+	 * get stuck if we are unlucky on timing on both sides of
+	 * the link.   If we are, we disable, set a timer, and
+	 * then re-enable.
+	 */
+	switch (ibclt) {
+	case IB_7322_LT_STATE_CFGRCVFCFG:
+	case IB_7322_LT_STATE_CFGWAITRMT:
+	case IB_7322_LT_STATE_TXREVLANES:
+	case IB_7322_LT_STATE_CFGENH:
+		tnow = get_jiffies_64();
+		if (ppd->cpspec->chase_end &&
+		     time_after64(tnow, ppd->cpspec->chase_end))
+			disable_chase(ppd, tnow, ibclt);
+		else if (!ppd->cpspec->chase_end)
+			ppd->cpspec->chase_end = tnow + QIB_CHASE_TIME;
+		break;
+	default:
+		ppd->cpspec->chase_end = 0;
+		break;
+	}
+
+	if (ibclt == IB_7322_LT_STATE_CFGTEST &&
+	    (ibcst & SYM_MASK(IBCStatusA_0, LinkSpeedQDR))) {
+		force_h1(ppd);
+		ppd->cpspec->qdr_reforce = 1;
+	} else if (ppd->cpspec->qdr_reforce &&
+		(ibcst & SYM_MASK(IBCStatusA_0, LinkSpeedQDR)) &&
+		 (ibclt == IB_7322_LT_STATE_CFGENH ||
+		ibclt == IB_7322_LT_STATE_CFGIDLE ||
+		ibclt == IB_7322_LT_STATE_LINKUP))
+		force_h1(ppd);
+
+	if ((IS_QMH(ppd->dd) || IS_QME(ppd->dd)) &&
+	    ppd->link_speed_enabled == QIB_IB_QDR &&
+	    (ibclt == IB_7322_LT_STATE_CFGTEST ||
+	     ibclt == IB_7322_LT_STATE_CFGENH ||
+	     (ibclt >= IB_7322_LT_STATE_POLLACTIVE &&
+	      ibclt <= IB_7322_LT_STATE_SLEEPQUIET)))
+		adj_tx_serdes(ppd);
+
+	if (!ppd->cpspec->qdr_dfe_on && ibclt != IB_7322_LT_STATE_LINKUP &&
+	    ibclt <= IB_7322_LT_STATE_SLEEPQUIET) {
+		ppd->cpspec->qdr_dfe_on = 1;
+		ppd->cpspec->qdr_dfe_time = 0;
+		/* On link down, reenable QDR adaptation */
+		qib_write_kreg_port(ppd, krp_static_adapt_dis(2),
+			ppd->dd->cspec->r1 ?
+				    QDR_STATIC_ADAPT_DOWN_R1 :
+				    QDR_STATIC_ADAPT_DOWN);
+	}
+}
+
+/*
+ * This is per-pport error handling.
+ * will likely get it's own MSIx interrupt (one for each port,
+ * although just a single handler).
+ */
+static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
+{
+	char *msg;
+	u64 ignore_this_time = 0, iserr = 0, errs, fmask;
+	struct qib_devdata *dd = ppd->dd;
+
+	/* do this as soon as possible */
+	fmask = qib_read_kreg64(dd, kr_act_fmask);
+	if (!fmask)
+		check_7322_rxe_status(ppd);
+
+	errs = qib_read_kreg_port(ppd, krp_errstatus);
+	if (!errs)
+		qib_devinfo(dd->pcidev,
+			 "Port%d error interrupt, but no error bits set!\n",
+			 ppd->port);
+	if (!fmask)
+		errs &= ~QIB_E_P_IBSTATUSCHANGED;
+	if (!errs)
+		goto done;
+
+	msg = ppd->cpspec->epmsgbuf;
+	*msg = '\0';
+
+	if (errs & ~QIB_E_P_BITSEXTANT) {
+		err_decode(msg, sizeof ppd->cpspec->epmsgbuf,
+			   errs & ~QIB_E_P_BITSEXTANT, qib_7322p_error_msgs);
+		if (!*msg)
+			snprintf(msg, sizeof ppd->cpspec->epmsgbuf,
+				 "no others");
+		qib_dev_porterr(dd, ppd->port, "error interrupt with unknown"
+				" errors 0x%016Lx set (and %s)\n",
+				(errs & ~QIB_E_P_BITSEXTANT), msg);
+		*msg = '\0';
+	}
+
+	if (errs & QIB_E_P_SHDR) {
+		u64 symptom;
+
+		/* determine cause, then write to clear */
+		symptom = qib_read_kreg_port(ppd, krp_sendhdrsymptom);
+		qib_write_kreg_port(ppd, krp_sendhdrsymptom, 0);
+		err_decode(msg, sizeof ppd->cpspec->epmsgbuf, symptom,
+			   hdrchk_msgs);
+		*msg = '\0';
+		/* senderrbuf cleared in SPKTERRS below */
+	}
+
+	if (errs & QIB_E_P_SPKTERRS) {
+		if ((errs & QIB_E_P_LINK_PKTERRS) &&
+		    !(ppd->lflags & QIBL_LINKACTIVE)) {
+			/*
+			 * This can happen when trying to bring the link
+			 * up, but the IB link changes state at the "wrong"
+			 * time. The IB logic then complains that the packet
+			 * isn't valid.  We don't want to confuse people, so
+			 * we just don't print them, except at debug
+			 */
+			err_decode(msg, sizeof ppd->cpspec->epmsgbuf,
+				   (errs & QIB_E_P_LINK_PKTERRS),
+				   qib_7322p_error_msgs);
+			*msg = '\0';
+			ignore_this_time = errs & QIB_E_P_LINK_PKTERRS;
+		}
+		qib_disarm_7322_senderrbufs(ppd);
+	} else if ((errs & QIB_E_P_LINK_PKTERRS) &&
+		   !(ppd->lflags & QIBL_LINKACTIVE)) {
+		/*
+		 * This can happen when SMA is trying to bring the link
+		 * up, but the IB link changes state at the "wrong" time.
+		 * The IB logic then complains that the packet isn't
+		 * valid.  We don't want to confuse people, so we just
+		 * don't print them, except at debug
+		 */
+		err_decode(msg, sizeof ppd->cpspec->epmsgbuf, errs,
+			   qib_7322p_error_msgs);
+		ignore_this_time = errs & QIB_E_P_LINK_PKTERRS;
+		*msg = '\0';
+	}
+
+	qib_write_kreg_port(ppd, krp_errclear, errs);
+
+	errs &= ~ignore_this_time;
+	if (!errs)
+		goto done;
+
+	if (errs & QIB_E_P_RPKTERRS)
+		qib_stats.sps_rcverrs++;
+	if (errs & QIB_E_P_SPKTERRS)
+		qib_stats.sps_txerrs++;
+
+	iserr = errs & ~(QIB_E_P_RPKTERRS | QIB_E_P_PKTERRS);
+
+	if (errs & QIB_E_P_SDMAERRS)
+		sdma_7322_p_errors(ppd, errs);
+
+	if (errs & QIB_E_P_IBSTATUSCHANGED) {
+		u64 ibcs;
+		u8 ltstate;
+
+		ibcs = qib_read_kreg_port(ppd, krp_ibcstatus_a);
+		ltstate = qib_7322_phys_portstate(ibcs);
+
+		if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG))
+			handle_serdes_issues(ppd, ibcs);
+		if (!(ppd->cpspec->ibcctrl_a &
+		      SYM_MASK(IBCCtrlA_0, IBStatIntReductionEn))) {
+			/*
+			 * We got our interrupt, so init code should be
+			 * happy and not try alternatives. Now squelch
+			 * other "chatter" from link-negotiation (pre Init)
+			 */
+			ppd->cpspec->ibcctrl_a |=
+				SYM_MASK(IBCCtrlA_0, IBStatIntReductionEn);
+			qib_write_kreg_port(ppd, krp_ibcctrl_a,
+					    ppd->cpspec->ibcctrl_a);
+		}
+
+		/* Update our picture of width and speed from chip */
+		ppd->link_width_active =
+			(ibcs & SYM_MASK(IBCStatusA_0, LinkWidthActive)) ?
+			    IB_WIDTH_4X : IB_WIDTH_1X;
+		ppd->link_speed_active = (ibcs & SYM_MASK(IBCStatusA_0,
+			LinkSpeedQDR)) ? QIB_IB_QDR : (ibcs &
+			  SYM_MASK(IBCStatusA_0, LinkSpeedActive)) ?
+				   QIB_IB_DDR : QIB_IB_SDR;
+
+		if ((ppd->lflags & QIBL_IB_LINK_DISABLED) && ltstate !=
+		    IB_PHYSPORTSTATE_DISABLED)
+			qib_set_ib_7322_lstate(ppd, 0,
+			       QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
+		else
+			/*
+			 * Since going into a recovery state causes the link
+			 * state to go down and since recovery is transitory,
+			 * it is better if we "miss" ever seeing the link
+			 * training state go into recovery (i.e., ignore this
+			 * transition for link state special handling purposes)
+			 * without updating lastibcstat.
+			 */
+			if (ltstate != IB_PHYSPORTSTATE_LINK_ERR_RECOVER &&
+			    ltstate != IB_PHYSPORTSTATE_RECOVERY_RETRAIN &&
+			    ltstate != IB_PHYSPORTSTATE_RECOVERY_WAITRMT &&
+			    ltstate != IB_PHYSPORTSTATE_RECOVERY_IDLE)
+				qib_handle_e_ibstatuschanged(ppd, ibcs);
+	}
+	if (*msg && iserr)
+		qib_dev_porterr(dd, ppd->port, "%s error\n", msg);
+
+	if (ppd->state_wanted & ppd->lflags)
+		wake_up_interruptible(&ppd->state_wait);
+done:
+	return;
+}
+
+/* enable/disable chip from delivering interrupts */
+static void qib_7322_set_intr_state(struct qib_devdata *dd, u32 enable)
+{
+	if (enable) {
+		if (dd->flags & QIB_BADINTR)
+			return;
+		qib_write_kreg(dd, kr_intmask, dd->cspec->int_enable_mask);
+		/* cause any pending enabled interrupts to be re-delivered */
+		qib_write_kreg(dd, kr_intclear, 0ULL);
+		if (dd->cspec->num_msix_entries) {
+			/* and same for MSIx */
+			u64 val = qib_read_kreg64(dd, kr_intgranted);
+			if (val)
+				qib_write_kreg(dd, kr_intgranted, val);
+		}
+	} else
+		qib_write_kreg(dd, kr_intmask, 0ULL);
+}
+
+/*
+ * Try to cleanup as much as possible for anything that might have gone
+ * wrong while in freeze mode, such as pio buffers being written by user
+ * processes (causing armlaunch), send errors due to going into freeze mode,
+ * etc., and try to avoid causing extra interrupts while doing so.
+ * Forcibly update the in-memory pioavail register copies after cleanup
+ * because the chip won't do it while in freeze mode (the register values
+ * themselves are kept correct).
+ * Make sure that we don't lose any important interrupts by using the chip
+ * feature that says that writing 0 to a bit in *clear that is set in
+ * *status will cause an interrupt to be generated again (if allowed by
+ * the *mask value).
+ * This is in chip-specific code because of all of the register accesses,
+ * even though the details are similar on most chips.
+ */
+static void qib_7322_clear_freeze(struct qib_devdata *dd)
+{
+	int pidx;
+
+	/* disable error interrupts, to avoid confusion */
+	qib_write_kreg(dd, kr_errmask, 0ULL);
+
+	for (pidx = 0; pidx < dd->num_pports; ++pidx)
+		if (dd->pport[pidx].link_speed_supported)
+			qib_write_kreg_port(dd->pport + pidx, krp_errmask,
+					    0ULL);
+
+	/* also disable interrupts; errormask is sometimes overwriten */
+	qib_7322_set_intr_state(dd, 0);
+
+	/* clear the freeze, and be sure chip saw it */
+	qib_write_kreg(dd, kr_control, dd->control);
+	qib_read_kreg32(dd, kr_scratch);
+
+	/*
+	 * Force new interrupt if any hwerr, error or interrupt bits are
+	 * still set, and clear "safe" send packet errors related to freeze
+	 * and cancelling sends.  Re-enable error interrupts before possible
+	 * force of re-interrupt on pending interrupts.
+	 */
+	qib_write_kreg(dd, kr_hwerrclear, 0ULL);
+	qib_write_kreg(dd, kr_errclear, E_SPKT_ERRS_IGNORE);
+	qib_write_kreg(dd, kr_errmask, dd->cspec->errormask);
+	/* We need to purge per-port errs and reset mask, too */
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		if (!dd->pport[pidx].link_speed_supported)
+			continue;
+		qib_write_kreg_port(dd->pport + pidx, krp_errclear, ~0Ull);
+		qib_write_kreg_port(dd->pport + pidx, krp_errmask, ~0Ull);
+	}
+	qib_7322_set_intr_state(dd, 1);
+}
+
+/* no error handling to speak of */
+/**
+ * qib_7322_handle_hwerrors - display hardware errors.
+ * @dd: the qlogic_ib device
+ * @msg: the output buffer
+ * @msgl: the size of the output buffer
+ *
+ * Use same msg buffer as regular errors to avoid excessive stack
+ * use.  Most hardware errors are catastrophic, but for right now,
+ * we'll print them and continue.  We reuse the same message buffer as
+ * qib_handle_errors() to avoid excessive stack usage.
+ */
+static void qib_7322_handle_hwerrors(struct qib_devdata *dd, char *msg,
+				     size_t msgl)
+{
+	u64 hwerrs;
+	u32 ctrl;
+	int isfatal = 0;
+
+	hwerrs = qib_read_kreg64(dd, kr_hwerrstatus);
+	if (!hwerrs)
+		goto bail;
+	if (hwerrs == ~0ULL) {
+		qib_dev_err(dd, "Read of hardware error status failed "
+			    "(all bits set); ignoring\n");
+		goto bail;
+	}
+	qib_stats.sps_hwerrs++;
+
+	/* Always clear the error status register, except BIST fail */
+	qib_write_kreg(dd, kr_hwerrclear, hwerrs &
+		       ~HWE_MASK(PowerOnBISTFailed));
+
+	hwerrs &= dd->cspec->hwerrmask;
+
+	/* no EEPROM logging, yet */
+
+	if (hwerrs)
+		qib_devinfo(dd->pcidev, "Hardware error: hwerr=0x%llx "
+			    "(cleared)\n", (unsigned long long) hwerrs);
+
+	ctrl = qib_read_kreg32(dd, kr_control);
+	if ((ctrl & SYM_MASK(Control, FreezeMode)) && !dd->diag_client) {
+		/*
+		 * No recovery yet...
+		 */
+		if ((hwerrs & ~HWE_MASK(LATriggered)) ||
+		    dd->cspec->stay_in_freeze) {
+			/*
+			 * If any set that we aren't ignoring only make the
+			 * complaint once, in case it's stuck or recurring,
+			 * and we get here multiple times
+			 * Force link down, so switch knows, and
+			 * LEDs are turned off.
+			 */
+			if (dd->flags & QIB_INITTED)
+				isfatal = 1;
+		} else
+			qib_7322_clear_freeze(dd);
+	}
+
+	if (hwerrs & HWE_MASK(PowerOnBISTFailed)) {
+		isfatal = 1;
+		strlcpy(msg, "[Memory BIST test failed, "
+			"InfiniPath hardware unusable]", msgl);
+		/* ignore from now on, so disable until driver reloaded */
+		dd->cspec->hwerrmask &= ~HWE_MASK(PowerOnBISTFailed);
+		qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+	}
+
+	err_decode(msg, msgl, hwerrs, qib_7322_hwerror_msgs);
+
+	/* Ignore esoteric PLL failures et al. */
+
+	qib_dev_err(dd, "%s hardware error\n", msg);
+
+	if (isfatal && !dd->diag_client) {
+		qib_dev_err(dd, "Fatal Hardware Error, no longer"
+			    " usable, SN %.16s\n", dd->serial);
+		/*
+		 * for /sys status file and user programs to print; if no
+		 * trailing brace is copied, we'll know it was truncated.
+		 */
+		if (dd->freezemsg)
+			snprintf(dd->freezemsg, dd->freezelen,
+				 "{%s}", msg);
+		qib_disable_after_error(dd);
+	}
+bail:;
+}
+
+/**
+ * qib_7322_init_hwerrors - enable hardware errors
+ * @dd: the qlogic_ib device
+ *
+ * now that we have finished initializing everything that might reasonably
+ * cause a hardware error, and cleared those errors bits as they occur,
+ * we can enable hardware errors in the mask (potentially enabling
+ * freeze mode), and enable hardware errors as errors (along with
+ * everything else) in errormask
+ */
+static void qib_7322_init_hwerrors(struct qib_devdata *dd)
+{
+	int pidx;
+	u64 extsval;
+
+	extsval = qib_read_kreg64(dd, kr_extstatus);
+	if (!(extsval & (QIB_EXTS_MEMBIST_DISABLED |
+			 QIB_EXTS_MEMBIST_ENDTEST)))
+		qib_dev_err(dd, "MemBIST did not complete!\n");
+
+	/* never clear BIST failure, so reported on each driver load */
+	qib_write_kreg(dd, kr_hwerrclear, ~HWE_MASK(PowerOnBISTFailed));
+	qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
+
+	/* clear all */
+	qib_write_kreg(dd, kr_errclear, ~0ULL);
+	/* enable errors that are masked, at least this first time. */
+	qib_write_kreg(dd, kr_errmask, ~0ULL);
+	dd->cspec->errormask = qib_read_kreg64(dd, kr_errmask);
+	for (pidx = 0; pidx < dd->num_pports; ++pidx)
+		if (dd->pport[pidx].link_speed_supported)
+			qib_write_kreg_port(dd->pport + pidx, krp_errmask,
+					    ~0ULL);
+}
+
+/*
+ * Disable and enable the armlaunch error.  Used for PIO bandwidth testing
+ * on chips that are count-based, rather than trigger-based.  There is no
+ * reference counting, but that's also fine, given the intended use.
+ * Only chip-specific because it's all register accesses
+ */
+static void qib_set_7322_armlaunch(struct qib_devdata *dd, u32 enable)
+{
+	if (enable) {
+		qib_write_kreg(dd, kr_errclear, QIB_E_SPIOARMLAUNCH);
+		dd->cspec->errormask |= QIB_E_SPIOARMLAUNCH;
+	} else
+		dd->cspec->errormask &= ~QIB_E_SPIOARMLAUNCH;
+	qib_write_kreg(dd, kr_errmask, dd->cspec->errormask);
+}
+
+/*
+ * Formerly took parameter <which> in pre-shifted,
+ * pre-merged form with LinkCmd and LinkInitCmd
+ * together, and assuming the zero was NOP.
+ */
+static void qib_set_ib_7322_lstate(struct qib_pportdata *ppd, u16 linkcmd,
+				   u16 linitcmd)
+{
+	u64 mod_wd;
+	struct qib_devdata *dd = ppd->dd;
+	unsigned long flags;
+
+	if (linitcmd == QLOGIC_IB_IBCC_LINKINITCMD_DISABLE) {
+		/*
+		 * If we are told to disable, note that so link-recovery
+		 * code does not attempt to bring us back up.
+		 * Also reset everything that we can, so we start
+		 * completely clean when re-enabled (before we
+		 * actually issue the disable to the IBC)
+		 */
+		qib_7322_mini_pcs_reset(ppd);
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags |= QIBL_IB_LINK_DISABLED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	} else if (linitcmd || linkcmd == QLOGIC_IB_IBCC_LINKCMD_DOWN) {
+		/*
+		 * Any other linkinitcmd will lead to LINKDOWN and then
+		 * to INIT (if all is well), so clear flag to let
+		 * link-recovery code attempt to bring us back up.
+		 */
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~QIBL_IB_LINK_DISABLED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		/*
+		 * Clear status change interrupt reduction so the
+		 * new state is seen.
+		 */
+		ppd->cpspec->ibcctrl_a &=
+			~SYM_MASK(IBCCtrlA_0, IBStatIntReductionEn);
+	}
+
+	mod_wd = (linkcmd << IBA7322_IBCC_LINKCMD_SHIFT) |
+		(linitcmd << QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+
+	qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a |
+			    mod_wd);
+	/* write to chip to prevent back-to-back writes of ibc reg */
+	qib_write_kreg(dd, kr_scratch, 0);
+
+}
+
+/*
+ * The total RCV buffer memory is 64KB, used for both ports, and is
+ * in units of 64 bytes (same as IB flow control credit unit).
+ * The consumedVL unit in the same registers are in 32 byte units!
+ * So, a VL15 packet needs 4.50 IB credits, and 9 rx buffer chunks,
+ * and we can therefore allocate just 9 IB credits for 2 VL15 packets
+ * in krp_rxcreditvl15, rather than 10.
+ */
+#define RCV_BUF_UNITSZ 64
+#define NUM_RCV_BUF_UNITS(dd) ((64 * 1024) / (RCV_BUF_UNITSZ * dd->num_pports))
+
+static void set_vls(struct qib_pportdata *ppd)
+{
+	int i, numvls, totcred, cred_vl, vl0extra;
+	struct qib_devdata *dd = ppd->dd;
+	u64 val;
+
+	numvls = qib_num_vls(ppd->vls_operational);
+
+	/*
+	 * Set up per-VL credits. Below is kluge based on these assumptions:
+	 * 1) port is disabled at the time early_init is called.
+	 * 2) give VL15 17 credits, for two max-plausible packets.
+	 * 3) Give VL0-N the rest, with any rounding excess used for VL0
+	 */
+	/* 2 VL15 packets @ 288 bytes each (including IB headers) */
+	totcred = NUM_RCV_BUF_UNITS(dd);
+	cred_vl = (2 * 288 + RCV_BUF_UNITSZ - 1) / RCV_BUF_UNITSZ;
+	totcred -= cred_vl;
+	qib_write_kreg_port(ppd, krp_rxcreditvl15, (u64) cred_vl);
+	cred_vl = totcred / numvls;
+	vl0extra = totcred - cred_vl * numvls;
+	qib_write_kreg_port(ppd, krp_rxcreditvl0, cred_vl + vl0extra);
+	for (i = 1; i < numvls; i++)
+		qib_write_kreg_port(ppd, krp_rxcreditvl0 + i, cred_vl);
+	for (; i < 8; i++) /* no buffer space for other VLs */
+		qib_write_kreg_port(ppd, krp_rxcreditvl0 + i, 0);
+
+	/* Notify IBC that credits need to be recalculated */
+	val = qib_read_kreg_port(ppd, krp_ibsdtestiftx);
+	val |= SYM_MASK(IB_SDTEST_IF_TX_0, CREDIT_CHANGE);
+	qib_write_kreg_port(ppd, krp_ibsdtestiftx, val);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+	val &= ~SYM_MASK(IB_SDTEST_IF_TX_0, CREDIT_CHANGE);
+	qib_write_kreg_port(ppd, krp_ibsdtestiftx, val);
+
+	for (i = 0; i < numvls; i++)
+		val = qib_read_kreg_port(ppd, krp_rxcreditvl0 + i);
+	val = qib_read_kreg_port(ppd, krp_rxcreditvl15);
+
+	/* Change the number of operational VLs */
+	ppd->cpspec->ibcctrl_a = (ppd->cpspec->ibcctrl_a &
+				~SYM_MASK(IBCCtrlA_0, NumVLane)) |
+		((u64)(numvls - 1) << SYM_LSB(IBCCtrlA_0, NumVLane));
+	qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+}
+
+/*
+ * The code that deals with actual SerDes is in serdes_7322_init().
+ * Compared to the code for iba7220, it is minimal.
+ */
+static int serdes_7322_init(struct qib_pportdata *ppd);
+
+/**
+ * qib_7322_bringup_serdes - bring up the serdes
+ * @ppd: physical port on the qlogic_ib device
+ */
+static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 val, guid, ibc;
+	unsigned long flags;
+	int ret = 0;
+
+	/*
+	 * SerDes model not in Pd, but still need to
+	 * set up much of IBCCtrl and IBCDDRCtrl; move elsewhere
+	 * eventually.
+	 */
+	/* Put IBC in reset, sends disabled (should be in reset already) */
+	ppd->cpspec->ibcctrl_a &= ~SYM_MASK(IBCCtrlA_0, IBLinkEn);
+	qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+
+	if (qib_compat_ddr_negotiate) {
+		ppd->cpspec->ibdeltainprog = 1;
+		ppd->cpspec->ibsymsnap = read_7322_creg32_port(ppd,
+						crp_ibsymbolerr);
+		ppd->cpspec->iblnkerrsnap = read_7322_creg32_port(ppd,
+						crp_iblinkerrrecov);
+	}
+
+	/* flowcontrolwatermark is in units of KBytes */
+	ibc = 0x5ULL << SYM_LSB(IBCCtrlA_0, FlowCtrlWaterMark);
+	/*
+	 * Flow control is sent this often, even if no changes in
+	 * buffer space occur.  Units are 128ns for this chip.
+	 * Set to 3usec.
+	 */
+	ibc |= 24ULL << SYM_LSB(IBCCtrlA_0, FlowCtrlPeriod);
+	/* max error tolerance */
+	ibc |= 0xfULL << SYM_LSB(IBCCtrlA_0, PhyerrThreshold);
+	/* IB credit flow control. */
+	ibc |= 0xfULL << SYM_LSB(IBCCtrlA_0, OverrunThreshold);
+	/*
+	 * set initial max size pkt IBC will send, including ICRC; it's the
+	 * PIO buffer size in dwords, less 1; also see qib_set_mtu()
+	 */
+	ibc |= ((u64)(ppd->ibmaxlen >> 2) + 1) <<
+		SYM_LSB(IBCCtrlA_0, MaxPktLen);
+	ppd->cpspec->ibcctrl_a = ibc; /* without linkcmd or linkinitcmd! */
+
+	/* initially come up waiting for TS1, without sending anything. */
+	val = ppd->cpspec->ibcctrl_a | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
+		QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+
+	/*
+	 * Reset the PCS interface to the serdes (and also ibc, which is still
+	 * in reset from above).  Writes new value of ibcctrl_a as last step.
+	 */
+	qib_7322_mini_pcs_reset(ppd);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+
+	if (!ppd->cpspec->ibcctrl_b) {
+		unsigned lse = ppd->link_speed_enabled;
+
+		/*
+		 * Not on re-init after reset, establish shadow
+		 * and force initial config.
+		 */
+		ppd->cpspec->ibcctrl_b = qib_read_kreg_port(ppd,
+							     krp_ibcctrl_b);
+		ppd->cpspec->ibcctrl_b &= ~(IBA7322_IBC_SPEED_QDR |
+				IBA7322_IBC_SPEED_DDR |
+				IBA7322_IBC_SPEED_SDR |
+				IBA7322_IBC_WIDTH_AUTONEG |
+				SYM_MASK(IBCCtrlB_0, IB_LANE_REV_SUPPORTED));
+		if (lse & (lse - 1)) /* Muliple speeds enabled */
+			ppd->cpspec->ibcctrl_b |=
+				(lse << IBA7322_IBC_SPEED_LSB) |
+				IBA7322_IBC_IBTA_1_2_MASK |
+				IBA7322_IBC_MAX_SPEED_MASK;
+		else
+			ppd->cpspec->ibcctrl_b |= (lse == QIB_IB_QDR) ?
+				IBA7322_IBC_SPEED_QDR |
+				 IBA7322_IBC_IBTA_1_2_MASK :
+				(lse == QIB_IB_DDR) ?
+					IBA7322_IBC_SPEED_DDR :
+					IBA7322_IBC_SPEED_SDR;
+		if ((ppd->link_width_enabled & (IB_WIDTH_1X | IB_WIDTH_4X)) ==
+		    (IB_WIDTH_1X | IB_WIDTH_4X))
+			ppd->cpspec->ibcctrl_b |= IBA7322_IBC_WIDTH_AUTONEG;
+		else
+			ppd->cpspec->ibcctrl_b |=
+				ppd->link_width_enabled == IB_WIDTH_4X ?
+				IBA7322_IBC_WIDTH_4X_ONLY :
+				IBA7322_IBC_WIDTH_1X_ONLY;
+
+		/* always enable these on driver reload, not sticky */
+		ppd->cpspec->ibcctrl_b |= (IBA7322_IBC_RXPOL_MASK |
+			IBA7322_IBC_HRTBT_MASK);
+	}
+	qib_write_kreg_port(ppd, krp_ibcctrl_b, ppd->cpspec->ibcctrl_b);
+
+	/* setup so we have more time at CFGTEST to change H1 */
+	val = qib_read_kreg_port(ppd, krp_ibcctrl_c);
+	val &= ~SYM_MASK(IBCCtrlC_0, IB_FRONT_PORCH);
+	val |= 0xfULL << SYM_LSB(IBCCtrlC_0, IB_FRONT_PORCH);
+	qib_write_kreg_port(ppd, krp_ibcctrl_c, val);
+
+	serdes_7322_init(ppd);
+
+	guid = be64_to_cpu(ppd->guid);
+	if (!guid) {
+		if (dd->base_guid)
+			guid = be64_to_cpu(dd->base_guid) + ppd->port - 1;
+		ppd->guid = cpu_to_be64(guid);
+	}
+
+	qib_write_kreg_port(ppd, krp_hrtbt_guid, guid);
+	/* write to chip to prevent back-to-back writes of ibc reg */
+	qib_write_kreg(dd, kr_scratch, 0);
+
+	/* Enable port */
+	ppd->cpspec->ibcctrl_a |= SYM_MASK(IBCCtrlA_0, IBLinkEn);
+	set_vls(ppd);
+
+	/* be paranoid against later code motion, etc. */
+	spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
+	ppd->p_rcvctrl |= SYM_MASK(RcvCtrl_0, RcvIBPortEnable);
+	qib_write_kreg_port(ppd, krp_rcvctrl, ppd->p_rcvctrl);
+	spin_unlock_irqrestore(&dd->cspec->rcvmod_lock, flags);
+
+	/* Also enable IBSTATUSCHG interrupt.  */
+	val = qib_read_kreg_port(ppd, krp_errmask);
+	qib_write_kreg_port(ppd, krp_errmask,
+		val | ERR_MASK_N(IBStatusChanged));
+
+	/* Always zero until we start messing with SerDes for real */
+	return ret;
+}
+
+/**
+ * qib_7322_quiet_serdes - set serdes to txidle
+ * @dd: the qlogic_ib device
+ * Called when driver is being unloaded
+ */
+static void qib_7322_mini_quiet_serdes(struct qib_pportdata *ppd)
+{
+	u64 val;
+	unsigned long flags;
+
+	qib_set_ib_7322_lstate(ppd, 0, QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
+
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	ppd->lflags &= ~QIBL_IB_AUTONEG_INPROG;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	wake_up(&ppd->cpspec->autoneg_wait);
+	cancel_delayed_work(&ppd->cpspec->autoneg_work);
+	if (ppd->dd->cspec->r1)
+		cancel_delayed_work(&ppd->cpspec->ipg_work);
+	flush_scheduled_work();
+
+	ppd->cpspec->chase_end = 0;
+	if (ppd->cpspec->chase_timer.data) /* if initted */
+		del_timer_sync(&ppd->cpspec->chase_timer);
+
+	/*
+	 * Despite the name, actually disables IBC as well. Do it when
+	 * we are as sure as possible that no more packets can be
+	 * received, following the down and the PCS reset.
+	 * The actual disabling happens in qib_7322_mini_pci_reset(),
+	 * along with the PCS being reset.
+	 */
+	ppd->cpspec->ibcctrl_a &= ~SYM_MASK(IBCCtrlA_0, IBLinkEn);
+	qib_7322_mini_pcs_reset(ppd);
+
+	/*
+	 * Update the adjusted counters so the adjustment persists
+	 * across driver reload.
+	 */
+	if (ppd->cpspec->ibsymdelta || ppd->cpspec->iblnkerrdelta ||
+	    ppd->cpspec->ibdeltainprog || ppd->cpspec->iblnkdowndelta) {
+		struct qib_devdata *dd = ppd->dd;
+		u64 diagc;
+
+		/* enable counter writes */
+		diagc = qib_read_kreg64(dd, kr_hwdiagctrl);
+		qib_write_kreg(dd, kr_hwdiagctrl,
+			       diagc | SYM_MASK(HwDiagCtrl, CounterWrEnable));
+
+		if (ppd->cpspec->ibsymdelta || ppd->cpspec->ibdeltainprog) {
+			val = read_7322_creg32_port(ppd, crp_ibsymbolerr);
+			if (ppd->cpspec->ibdeltainprog)
+				val -= val - ppd->cpspec->ibsymsnap;
+			val -= ppd->cpspec->ibsymdelta;
+			write_7322_creg_port(ppd, crp_ibsymbolerr, val);
+		}
+		if (ppd->cpspec->iblnkerrdelta || ppd->cpspec->ibdeltainprog) {
+			val = read_7322_creg32_port(ppd, crp_iblinkerrrecov);
+			if (ppd->cpspec->ibdeltainprog)
+				val -= val - ppd->cpspec->iblnkerrsnap;
+			val -= ppd->cpspec->iblnkerrdelta;
+			write_7322_creg_port(ppd, crp_iblinkerrrecov, val);
+		}
+		if (ppd->cpspec->iblnkdowndelta) {
+			val = read_7322_creg32_port(ppd, crp_iblinkdown);
+			val += ppd->cpspec->iblnkdowndelta;
+			write_7322_creg_port(ppd, crp_iblinkdown, val);
+		}
+		/*
+		 * No need to save ibmalfdelta since IB perfcounters
+		 * are cleared on driver reload.
+		 */
+
+		/* and disable counter writes */
+		qib_write_kreg(dd, kr_hwdiagctrl, diagc);
+	}
+}
+
+/**
+ * qib_setup_7322_setextled - set the state of the two external LEDs
+ * @ppd: physical port on the qlogic_ib device
+ * @on: whether the link is up or not
+ *
+ * The exact combo of LEDs if on is true is determined by looking
+ * at the ibcstatus.
+ *
+ * These LEDs indicate the physical and logical state of IB link.
+ * For this chip (at least with recommended board pinouts), LED1
+ * is Yellow (logical state) and LED2 is Green (physical state),
+ *
+ * Note:  We try to match the Mellanox HCA LED behavior as best
+ * we can.  Green indicates physical link state is OK (something is
+ * plugged in, and we can train).
+ * Amber indicates the link is logically up (ACTIVE).
+ * Mellanox further blinks the amber LED to indicate data packet
+ * activity, but we have no hardware support for that, so it would
+ * require waking up every 10-20 msecs and checking the counters
+ * on the chip, and then turning the LED off if appropriate.  That's
+ * visible overhead, so not something we will do.
+ */
+static void qib_setup_7322_setextled(struct qib_pportdata *ppd, u32 on)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 extctl, ledblink = 0, val;
+	unsigned long flags;
+	int yel, grn;
+
+	/*
+	 * The diags use the LED to indicate diag info, so we leave
+	 * the external LED alone when the diags are running.
+	 */
+	if (dd->diag_client)
+		return;
+
+	/* Allow override of LED display for, e.g. Locating system in rack */
+	if (ppd->led_override) {
+		grn = (ppd->led_override & QIB_LED_PHYS);
+		yel = (ppd->led_override & QIB_LED_LOG);
+	} else if (on) {
+		val = qib_read_kreg_port(ppd, krp_ibcstatus_a);
+		grn = qib_7322_phys_portstate(val) ==
+			IB_PHYSPORTSTATE_LINKUP;
+		yel = qib_7322_iblink_state(val) == IB_PORT_ACTIVE;
+	} else {
+		grn = 0;
+		yel = 0;
+	}
+
+	spin_lock_irqsave(&dd->cspec->gpio_lock, flags);
+	extctl = dd->cspec->extctrl & (ppd->port == 1 ?
+		~ExtLED_IB1_MASK : ~ExtLED_IB2_MASK);
+	if (grn) {
+		extctl |= ppd->port == 1 ? ExtLED_IB1_GRN : ExtLED_IB2_GRN;
+		/*
+		 * Counts are in chip clock (4ns) periods.
+		 * This is 1/16 sec (66.6ms) on,
+		 * 3/16 sec (187.5 ms) off, with packets rcvd.
+		 */
+		ledblink = ((66600 * 1000UL / 4) << IBA7322_LEDBLINK_ON_SHIFT) |
+			((187500 * 1000UL / 4) << IBA7322_LEDBLINK_OFF_SHIFT);
+	}
+	if (yel)
+		extctl |= ppd->port == 1 ? ExtLED_IB1_YEL : ExtLED_IB2_YEL;
+	dd->cspec->extctrl = extctl;
+	qib_write_kreg(dd, kr_extctrl, dd->cspec->extctrl);
+	spin_unlock_irqrestore(&dd->cspec->gpio_lock, flags);
+
+	if (ledblink) /* blink the LED on packet receive */
+		qib_write_kreg_port(ppd, krp_rcvpktledcnt, ledblink);
+}
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+static void qib_update_rhdrq_dca(struct qib_ctxtdata *rcd)
+{
+	struct qib_devdata *dd = rcd->dd;
+	struct qib_chip_specific *cspec = dd->cspec;
+	int cpu = get_cpu();
+
+	if (cspec->rhdr_cpu[rcd->ctxt] != cpu) {
+		const struct dca_reg_map *rmp;
+
+		cspec->rhdr_cpu[rcd->ctxt] = cpu;
+		rmp = &dca_rcvhdr_reg_map[rcd->ctxt];
+		cspec->dca_rcvhdr_ctrl[rmp->shadow_inx] &= rmp->mask;
+		cspec->dca_rcvhdr_ctrl[rmp->shadow_inx] |=
+			(u64) dca3_get_tag(&dd->pcidev->dev, cpu) << rmp->lsb;
+		qib_write_kreg(dd, rmp->regno,
+			       cspec->dca_rcvhdr_ctrl[rmp->shadow_inx]);
+		cspec->dca_ctrl |= SYM_MASK(DCACtrlA, RcvHdrqDCAEnable);
+		qib_write_kreg(dd, KREG_IDX(DCACtrlA), cspec->dca_ctrl);
+	}
+	put_cpu();
+}
+
+static void qib_update_sdma_dca(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	struct qib_chip_specific *cspec = dd->cspec;
+	int cpu = get_cpu();
+	unsigned pidx = ppd->port - 1;
+
+	if (cspec->sdma_cpu[pidx] != cpu) {
+		cspec->sdma_cpu[pidx] = cpu;
+		cspec->dca_rcvhdr_ctrl[4] &= ~(ppd->hw_pidx ?
+			SYM_MASK(DCACtrlF, SendDma1DCAOPH) :
+			SYM_MASK(DCACtrlF, SendDma0DCAOPH));
+		cspec->dca_rcvhdr_ctrl[4] |=
+			(u64) dca3_get_tag(&dd->pcidev->dev, cpu) <<
+				(ppd->hw_pidx ?
+					SYM_LSB(DCACtrlF, SendDma1DCAOPH) :
+					SYM_LSB(DCACtrlF, SendDma0DCAOPH));
+		qib_write_kreg(dd, KREG_IDX(DCACtrlF),
+			       cspec->dca_rcvhdr_ctrl[4]);
+		cspec->dca_ctrl |= ppd->hw_pidx ?
+			SYM_MASK(DCACtrlA, SendDMAHead1DCAEnable) :
+			SYM_MASK(DCACtrlA, SendDMAHead0DCAEnable);
+		qib_write_kreg(dd, KREG_IDX(DCACtrlA), cspec->dca_ctrl);
+	}
+	put_cpu();
+}
+
+static void qib_setup_dca(struct qib_devdata *dd)
+{
+	struct qib_chip_specific *cspec = dd->cspec;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cspec->rhdr_cpu); i++)
+		cspec->rhdr_cpu[i] = -1;
+	for (i = 0; i < ARRAY_SIZE(cspec->sdma_cpu); i++)
+		cspec->sdma_cpu[i] = -1;
+	cspec->dca_rcvhdr_ctrl[0] =
+		(1ULL << SYM_LSB(DCACtrlB, RcvHdrq0DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlB, RcvHdrq1DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlB, RcvHdrq2DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlB, RcvHdrq3DCAXfrCnt));
+	cspec->dca_rcvhdr_ctrl[1] =
+		(1ULL << SYM_LSB(DCACtrlC, RcvHdrq4DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlC, RcvHdrq5DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlC, RcvHdrq6DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlC, RcvHdrq7DCAXfrCnt));
+	cspec->dca_rcvhdr_ctrl[2] =
+		(1ULL << SYM_LSB(DCACtrlD, RcvHdrq8DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlD, RcvHdrq9DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlD, RcvHdrq10DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlD, RcvHdrq11DCAXfrCnt));
+	cspec->dca_rcvhdr_ctrl[3] =
+		(1ULL << SYM_LSB(DCACtrlE, RcvHdrq12DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlE, RcvHdrq13DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlE, RcvHdrq14DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlE, RcvHdrq15DCAXfrCnt));
+	cspec->dca_rcvhdr_ctrl[4] =
+		(1ULL << SYM_LSB(DCACtrlF, RcvHdrq16DCAXfrCnt)) |
+		(1ULL << SYM_LSB(DCACtrlF, RcvHdrq17DCAXfrCnt));
+	for (i = 0; i < ARRAY_SIZE(cspec->sdma_cpu); i++)
+		qib_write_kreg(dd, KREG_IDX(DCACtrlB) + i,
+			       cspec->dca_rcvhdr_ctrl[i]);
+}
+
+#endif
+
+/*
+ * Disable MSIx interrupt if enabled, call generic MSIx code
+ * to cleanup, and clear pending MSIx interrupts.
+ * Used for fallback to INTx, after reset, and when MSIx setup fails.
+ */
+static void qib_7322_nomsix(struct qib_devdata *dd)
+{
+	u64 intgranted;
+	int n;
+
+	dd->cspec->main_int_mask = ~0ULL;
+	n = dd->cspec->num_msix_entries;
+	if (n) {
+		int i;
+
+		dd->cspec->num_msix_entries = 0;
+		for (i = 0; i < n; i++)
+			free_irq(dd->cspec->msix_entries[i].vector,
+				 dd->cspec->msix_arg[i]);
+		qib_nomsix(dd);
+	}
+	/* make sure no MSIx interrupts are left pending */
+	intgranted = qib_read_kreg64(dd, kr_intgranted);
+	if (intgranted)
+		qib_write_kreg(dd, kr_intgranted, intgranted);
+}
+
+static void qib_7322_free_irq(struct qib_devdata *dd)
+{
+	if (dd->cspec->irq) {
+		free_irq(dd->cspec->irq, dd);
+		dd->cspec->irq = 0;
+	}
+	qib_7322_nomsix(dd);
+}
+
+static void qib_setup_7322_cleanup(struct qib_devdata *dd)
+{
+	int i;
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+	if (dd->flags & QIB_DCA_ENABLED) {
+		dca_remove_requester(&dd->pcidev->dev);
+		dd->flags &= ~QIB_DCA_ENABLED;
+		dd->cspec->dca_ctrl = 0;
+		qib_write_kreg(dd, KREG_IDX(DCACtrlA), dd->cspec->dca_ctrl);
+	}
+#endif
+
+	qib_7322_free_irq(dd);
+	kfree(dd->cspec->cntrs);
+	kfree(dd->cspec->sendchkenable);
+	kfree(dd->cspec->sendgrhchk);
+	kfree(dd->cspec->sendibchk);
+	kfree(dd->cspec->msix_entries);
+	kfree(dd->cspec->msix_arg);
+	for (i = 0; i < dd->num_pports; i++) {
+		unsigned long flags;
+		u32 mask = QSFP_GPIO_MOD_PRS_N |
+			(QSFP_GPIO_MOD_PRS_N << QSFP_GPIO_PORT2_SHIFT);
+
+		kfree(dd->pport[i].cpspec->portcntrs);
+		if (dd->flags & QIB_HAS_QSFP) {
+			spin_lock_irqsave(&dd->cspec->gpio_lock, flags);
+			dd->cspec->gpio_mask &= ~mask;
+			qib_write_kreg(dd, kr_gpio_mask, dd->cspec->gpio_mask);
+			spin_unlock_irqrestore(&dd->cspec->gpio_lock, flags);
+			qib_qsfp_deinit(&dd->pport[i].cpspec->qsfp_data);
+		}
+		if (dd->pport[i].ibport_data.smi_ah)
+			ib_destroy_ah(&dd->pport[i].ibport_data.smi_ah->ibah);
+	}
+}
+
+/* handle SDMA interrupts */
+static void sdma_7322_intr(struct qib_devdata *dd, u64 istat)
+{
+	struct qib_pportdata *ppd0 = &dd->pport[0];
+	struct qib_pportdata *ppd1 = &dd->pport[1];
+	u64 intr0 = istat & (INT_MASK_P(SDma, 0) |
+		INT_MASK_P(SDmaIdle, 0) | INT_MASK_P(SDmaProgress, 0));
+	u64 intr1 = istat & (INT_MASK_P(SDma, 1) |
+		INT_MASK_P(SDmaIdle, 1) | INT_MASK_P(SDmaProgress, 1));
+
+	if (intr0)
+		qib_sdma_intr(ppd0);
+	if (intr1)
+		qib_sdma_intr(ppd1);
+
+	if (istat & INT_MASK_PM(SDmaCleanupDone, 0))
+		qib_sdma_process_event(ppd0, qib_sdma_event_e20_hw_started);
+	if (istat & INT_MASK_PM(SDmaCleanupDone, 1))
+		qib_sdma_process_event(ppd1, qib_sdma_event_e20_hw_started);
+}
+
+/*
+ * Set or clear the Send buffer available interrupt enable bit.
+ */
+static void qib_wantpiobuf_7322_intr(struct qib_devdata *dd, u32 needint)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->sendctrl_lock, flags);
+	if (needint)
+		dd->sendctrl |= SYM_MASK(SendCtrl, SendIntBufAvail);
+	else
+		dd->sendctrl &= ~SYM_MASK(SendCtrl, SendIntBufAvail);
+	qib_write_kreg(dd, kr_sendctrl, dd->sendctrl);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+	spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+}
+
+/*
+ * Somehow got an interrupt with reserved bits set in interrupt status.
+ * Print a message so we know it happened, then clear them.
+ * keep mainline interrupt handler cache-friendly
+ */
+static noinline void unknown_7322_ibits(struct qib_devdata *dd, u64 istat)
+{
+	u64 kills;
+	char msg[128];
+
+	kills = istat & ~QIB_I_BITSEXTANT;
+	qib_dev_err(dd, "Clearing reserved interrupt(s) 0x%016llx:"
+		    " %s\n", (unsigned long long) kills, msg);
+	qib_write_kreg(dd, kr_intmask, (dd->cspec->int_enable_mask & ~kills));
+}
+
+/* keep mainline interrupt handler cache-friendly */
+static noinline void unknown_7322_gpio_intr(struct qib_devdata *dd)
+{
+	u32 gpiostatus;
+	int handled = 0;
+	int pidx;
+
+	/*
+	 * Boards for this chip currently don't use GPIO interrupts,
+	 * so clear by writing GPIOstatus to GPIOclear, and complain
+	 * to developer.  To avoid endless repeats, clear
+	 * the bits in the mask, since there is some kind of
+	 * programming error or chip problem.
+	 */
+	gpiostatus = qib_read_kreg32(dd, kr_gpio_status);
+	/*
+	 * In theory, writing GPIOstatus to GPIOclear could
+	 * have a bad side-effect on some diagnostic that wanted
+	 * to poll for a status-change, but the various shadows
+	 * make that problematic at best. Diags will just suppress
+	 * all GPIO interrupts during such tests.
+	 */
+	qib_write_kreg(dd, kr_gpio_clear, gpiostatus);
+	/*
+	 * Check for QSFP MOD_PRS changes
+	 * only works for single port if IB1 != pidx1
+	 */
+	for (pidx = 0; pidx < dd->num_pports && (dd->flags & QIB_HAS_QSFP);
+	     ++pidx) {
+		struct qib_pportdata *ppd;
+		struct qib_qsfp_data *qd;
+		u32 mask;
+		if (!dd->pport[pidx].link_speed_supported)
+			continue;
+		mask = QSFP_GPIO_MOD_PRS_N;
+		ppd = dd->pport + pidx;
+		mask <<= (QSFP_GPIO_PORT2_SHIFT * ppd->hw_pidx);
+		if (gpiostatus & dd->cspec->gpio_mask & mask) {
+			u64 pins;
+			qd = &ppd->cpspec->qsfp_data;
+			gpiostatus &= ~mask;
+			pins = qib_read_kreg64(dd, kr_extstatus);
+			pins >>= SYM_LSB(EXTStatus, GPIOIn);
+			if (!(pins & mask)) {
+				++handled;
+				qd->t_insert = get_jiffies_64();
+				schedule_work(&qd->work);
+			}
+		}
+	}
+
+	if (gpiostatus && !handled) {
+		const u32 mask = qib_read_kreg32(dd, kr_gpio_mask);
+		u32 gpio_irq = mask & gpiostatus;
+
+		/*
+		 * Clear any troublemakers, and update chip from shadow
+		 */
+		dd->cspec->gpio_mask &= ~gpio_irq;
+		qib_write_kreg(dd, kr_gpio_mask, dd->cspec->gpio_mask);
+	}
+}
+
+/*
+ * Handle errors and unusual events first, separate function
+ * to improve cache hits for fast path interrupt handling.
+ */
+static noinline void unlikely_7322_intr(struct qib_devdata *dd, u64 istat)
+{
+	if (istat & ~QIB_I_BITSEXTANT)
+		unknown_7322_ibits(dd, istat);
+	if (istat & QIB_I_GPIO)
+		unknown_7322_gpio_intr(dd);
+	if (istat & QIB_I_C_ERROR)
+		handle_7322_errors(dd);
+	if (istat & INT_MASK_P(Err, 0) && dd->rcd[0])
+		handle_7322_p_errors(dd->rcd[0]->ppd);
+	if (istat & INT_MASK_P(Err, 1) && dd->rcd[1])
+		handle_7322_p_errors(dd->rcd[1]->ppd);
+}
+
+/*
+ * Dynamically adjust the rcv int timeout for a context based on incoming
+ * packet rate.
+ */
+static void adjust_rcv_timeout(struct qib_ctxtdata *rcd, int npkts)
+{
+	struct qib_devdata *dd = rcd->dd;
+	u32 timeout = dd->cspec->rcvavail_timeout[rcd->ctxt];
+
+	/*
+	 * Dynamically adjust idle timeout on chip
+	 * based on number of packets processed.
+	 */
+	if (npkts < rcv_int_count && timeout > 2)
+		timeout >>= 1;
+	else if (npkts >= rcv_int_count && timeout < rcv_int_timeout)
+		timeout = min(timeout << 1, rcv_int_timeout);
+	else
+		return;
+
+	dd->cspec->rcvavail_timeout[rcd->ctxt] = timeout;
+	qib_write_kreg(dd, kr_rcvavailtimeout + rcd->ctxt, timeout);
+}
+
+/*
+ * This is the main interrupt handler.
+ * It will normally only be used for low frequency interrupts but may
+ * have to handle all interrupts if INTx is enabled or fewer than normal
+ * MSIx interrupts were allocated.
+ * This routine should ignore the interrupt bits for any of the
+ * dedicated MSIx handlers.
+ */
+static irqreturn_t qib_7322intr(int irq, void *data)
+{
+	struct qib_devdata *dd = data;
+	irqreturn_t ret;
+	u64 istat;
+	u64 ctxtrbits;
+	u64 rmask;
+	unsigned i;
+	u32 npkts;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT) {
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		ret = IRQ_HANDLED;
+		goto bail;
+	}
+
+	istat = qib_read_kreg64(dd, kr_intstatus);
+
+	if (unlikely(istat == ~0ULL)) {
+		qib_bad_intrstatus(dd);
+		qib_dev_err(dd, "Interrupt status all f's, skipping\n");
+		/* don't know if it was our interrupt or not */
+		ret = IRQ_NONE;
+		goto bail;
+	}
+
+	istat &= dd->cspec->main_int_mask;
+	if (unlikely(!istat)) {
+		/* already handled, or shared and not us */
+		ret = IRQ_NONE;
+		goto bail;
+	}
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+	/* handle "errors" of various kinds first, device ahead of port */
+	if (unlikely(istat & (~QIB_I_BITSEXTANT | QIB_I_GPIO |
+			      QIB_I_C_ERROR | INT_MASK_P(Err, 0) |
+			      INT_MASK_P(Err, 1))))
+		unlikely_7322_intr(dd, istat);
+
+	/*
+	 * Clear the interrupt bits we found set, relatively early, so we
+	 * "know" know the chip will have seen this by the time we process
+	 * the queue, and will re-interrupt if necessary.  The processor
+	 * itself won't take the interrupt again until we return.
+	 */
+	qib_write_kreg(dd, kr_intclear, istat);
+
+	/*
+	 * Handle kernel receive queues before checking for pio buffers
+	 * available since receives can overflow; piobuf waiters can afford
+	 * a few extra cycles, since they were waiting anyway.
+	 */
+	ctxtrbits = istat & (QIB_I_RCVAVAIL_MASK | QIB_I_RCVURG_MASK);
+	if (ctxtrbits) {
+		rmask = (1ULL << QIB_I_RCVAVAIL_LSB) |
+			(1ULL << QIB_I_RCVURG_LSB);
+		for (i = 0; i < dd->first_user_ctxt; i++) {
+			if (ctxtrbits & rmask) {
+				ctxtrbits &= ~rmask;
+				if (dd->rcd[i]) {
+					qib_kreceive(dd->rcd[i], NULL, &npkts);
+					adjust_rcv_timeout(dd->rcd[i], npkts);
+				}
+			}
+			rmask <<= 1;
+		}
+		if (ctxtrbits) {
+			ctxtrbits = (ctxtrbits >> QIB_I_RCVAVAIL_LSB) |
+				(ctxtrbits >> QIB_I_RCVURG_LSB);
+			qib_handle_urcv(dd, ctxtrbits);
+		}
+	}
+
+	if (istat & (QIB_I_P_SDMAINT(0) | QIB_I_P_SDMAINT(1)))
+		sdma_7322_intr(dd, istat);
+
+	if ((istat & QIB_I_SPIOBUFAVAIL) && (dd->flags & QIB_INITTED))
+		qib_ib_piobufavail(dd);
+
+	ret = IRQ_HANDLED;
+bail:
+	return ret;
+}
+
+/*
+ * Dedicated receive packet available interrupt handler.
+ */
+static irqreturn_t qib_7322pintr(int irq, void *data)
+{
+	struct qib_ctxtdata *rcd = data;
+	struct qib_devdata *dd = rcd->dd;
+	u32 npkts;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT)
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		return IRQ_HANDLED;
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+	if (dd->flags & QIB_DCA_ENABLED)
+		qib_update_rhdrq_dca(rcd);
+#endif
+
+	/* Clear the interrupt bit we expect to be set. */
+	qib_write_kreg(dd, kr_intclear, ((1ULL << QIB_I_RCVAVAIL_LSB) |
+		       (1ULL << QIB_I_RCVURG_LSB)) << rcd->ctxt);
+
+	qib_kreceive(rcd, NULL, &npkts);
+	adjust_rcv_timeout(rcd, npkts);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Dedicated Send buffer available interrupt handler.
+ */
+static irqreturn_t qib_7322bufavail(int irq, void *data)
+{
+	struct qib_devdata *dd = data;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT)
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		return IRQ_HANDLED;
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+	/* Clear the interrupt bit we expect to be set. */
+	qib_write_kreg(dd, kr_intclear, QIB_I_SPIOBUFAVAIL);
+
+	/* qib_ib_piobufavail() will clear the want PIO interrupt if needed */
+	if (dd->flags & QIB_INITTED)
+		qib_ib_piobufavail(dd);
+	else
+		qib_wantpiobuf_7322_intr(dd, 0);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Dedicated Send DMA interrupt handler.
+ */
+static irqreturn_t sdma_intr(int irq, void *data)
+{
+	struct qib_pportdata *ppd = data;
+	struct qib_devdata *dd = ppd->dd;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT)
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		return IRQ_HANDLED;
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+	if (dd->flags & QIB_DCA_ENABLED)
+		qib_update_sdma_dca(ppd);
+#endif
+
+	/* Clear the interrupt bit we expect to be set. */
+	qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
+		       INT_MASK_P(SDma, 1) : INT_MASK_P(SDma, 0));
+	qib_sdma_intr(ppd);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Dedicated Send DMA idle interrupt handler.
+ */
+static irqreturn_t sdma_idle_intr(int irq, void *data)
+{
+	struct qib_pportdata *ppd = data;
+	struct qib_devdata *dd = ppd->dd;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT)
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		return IRQ_HANDLED;
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+	if (dd->flags & QIB_DCA_ENABLED)
+		qib_update_sdma_dca(ppd);
+#endif
+
+	/* Clear the interrupt bit we expect to be set. */
+	qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
+		       INT_MASK_P(SDmaIdle, 1) : INT_MASK_P(SDmaIdle, 0));
+	qib_sdma_intr(ppd);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Dedicated Send DMA progress interrupt handler.
+ */
+static irqreturn_t sdma_progress_intr(int irq, void *data)
+{
+	struct qib_pportdata *ppd = data;
+	struct qib_devdata *dd = ppd->dd;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT)
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		return IRQ_HANDLED;
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+	if (dd->flags & QIB_DCA_ENABLED)
+		qib_update_sdma_dca(ppd);
+#endif
+
+	/* Clear the interrupt bit we expect to be set. */
+	qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
+		       INT_MASK_P(SDmaProgress, 1) :
+		       INT_MASK_P(SDmaProgress, 0));
+	qib_sdma_intr(ppd);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Dedicated Send DMA cleanup interrupt handler.
+ */
+static irqreturn_t sdma_cleanup_intr(int irq, void *data)
+{
+	struct qib_pportdata *ppd = data;
+	struct qib_devdata *dd = ppd->dd;
+
+	if ((dd->flags & (QIB_PRESENT | QIB_BADINTR)) != QIB_PRESENT)
+		/*
+		 * This return value is not great, but we do not want the
+		 * interrupt core code to remove our interrupt handler
+		 * because we don't appear to be handling an interrupt
+		 * during a chip reset.
+		 */
+		return IRQ_HANDLED;
+
+	qib_stats.sps_ints++;
+	if (dd->int_counter != (u32) -1)
+		dd->int_counter++;
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+	if (dd->flags & QIB_DCA_ENABLED)
+		qib_update_sdma_dca(ppd);
+#endif
+
+	/* Clear the interrupt bit we expect to be set. */
+	qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
+		       INT_MASK_PM(SDmaCleanupDone, 1) :
+		       INT_MASK_PM(SDmaCleanupDone, 0));
+	qib_sdma_process_event(ppd, qib_sdma_event_e20_hw_started);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Set up our chip-specific interrupt handler.
+ * The interrupt type has already been setup, so
+ * we just need to do the registration and error checking.
+ * If we are using MSIx interrupts, we may fall back to
+ * INTx later, if the interrupt handler doesn't get called
+ * within 1/2 second (see verify_interrupt()).
+ */
+static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend)
+{
+	int ret, i, msixnum;
+	u64 redirect[6];
+	u64 mask;
+
+	if (!dd->num_pports)
+		return;
+
+	if (clearpend) {
+		/*
+		 * if not switching interrupt types, be sure interrupts are
+		 * disabled, and then clear anything pending at this point,
+		 * because we are starting clean.
+		 */
+		qib_7322_set_intr_state(dd, 0);
+
+		/* clear the reset error, init error/hwerror mask */
+		qib_7322_init_hwerrors(dd);
+
+		/* clear any interrupt bits that might be set */
+		qib_write_kreg(dd, kr_intclear, ~0ULL);
+
+		/* make sure no pending MSIx intr, and clear diag reg */
+		qib_write_kreg(dd, kr_intgranted, ~0ULL);
+		qib_write_kreg(dd, kr_vecclr_wo_int, ~0ULL);
+	}
+
+	if (!dd->cspec->num_msix_entries) {
+		/* Try to get INTx interrupt */
+try_intx:
+		if (!dd->pcidev->irq) {
+			qib_dev_err(dd, "irq is 0, BIOS error?  "
+				    "Interrupts won't work\n");
+			goto bail;
+		}
+		ret = request_irq(dd->pcidev->irq, qib_7322intr,
+				  IRQF_SHARED, QIB_DRV_NAME, dd);
+		if (ret) {
+			qib_dev_err(dd, "Couldn't setup INTx "
+				    "interrupt (irq=%d): %d\n",
+				    dd->pcidev->irq, ret);
+			goto bail;
+		}
+		dd->cspec->irq = dd->pcidev->irq;
+		dd->cspec->main_int_mask = ~0ULL;
+		goto bail;
+	}
+
+	/* Try to get MSIx interrupts */
+	memset(redirect, 0, sizeof redirect);
+	mask = ~0ULL;
+	msixnum = 0;
+	for (i = 0; msixnum < dd->cspec->num_msix_entries; i++) {
+		irq_handler_t handler;
+		const char *name;
+		void *arg;
+		u64 val;
+		int lsb, reg, sh;
+
+		if (i < ARRAY_SIZE(irq_table)) {
+			if (irq_table[i].port) {
+				/* skip if for a non-configured port */
+				if (irq_table[i].port > dd->num_pports)
+					continue;
+				arg = dd->pport + irq_table[i].port - 1;
+			} else
+				arg = dd;
+			lsb = irq_table[i].lsb;
+			handler = irq_table[i].handler;
+			name = irq_table[i].name;
+		} else {
+			unsigned ctxt;
+
+			ctxt = i - ARRAY_SIZE(irq_table);
+			/* per krcvq context receive interrupt */
+			arg = dd->rcd[ctxt];
+			if (!arg)
+				continue;
+			lsb = QIB_I_RCVAVAIL_LSB + ctxt;
+			handler = qib_7322pintr;
+			name = QIB_DRV_NAME " (kctx)";
+		}
+		ret = request_irq(dd->cspec->msix_entries[msixnum].vector,
+				  handler, 0, name, arg);
+		if (ret) {
+			/*
+			 * Shouldn't happen since the enable said we could
+			 * have as many as we are trying to setup here.
+			 */
+			qib_dev_err(dd, "Couldn't setup MSIx "
+				    "interrupt (vec=%d, irq=%d): %d\n", msixnum,
+				    dd->cspec->msix_entries[msixnum].vector,
+				    ret);
+			qib_7322_nomsix(dd);
+			goto try_intx;
+		}
+		dd->cspec->msix_arg[msixnum] = arg;
+		if (lsb >= 0) {
+			reg = lsb / IBA7322_REDIRECT_VEC_PER_REG;
+			sh = (lsb % IBA7322_REDIRECT_VEC_PER_REG) *
+				SYM_LSB(IntRedirect0, vec1);
+			mask &= ~(1ULL << lsb);
+			redirect[reg] |= ((u64) msixnum) << sh;
+		}
+		val = qib_read_kreg64(dd, 2 * msixnum + 1 +
+			(QIB_7322_MsixTable_OFFS / sizeof(u64)));
+		msixnum++;
+	}
+	/* Initialize the vector mapping */
+	for (i = 0; i < ARRAY_SIZE(redirect); i++)
+		qib_write_kreg(dd, kr_intredirect + i, redirect[i]);
+	dd->cspec->main_int_mask = mask;
+bail:;
+}
+
+/**
+ * qib_7322_boardname - fill in the board name and note features
+ * @dd: the qlogic_ib device
+ *
+ * info will be based on the board revision register
+ */
+static unsigned qib_7322_boardname(struct qib_devdata *dd)
+{
+	/* Will need enumeration of board-types here */
+	char *n;
+	u32 boardid, namelen;
+	unsigned features = DUAL_PORT_CAP;
+
+	boardid = SYM_FIELD(dd->revision, Revision, BoardID);
+
+	switch (boardid) {
+	case 0:
+		n = "InfiniPath_QLE7342_Emulation";
+		break;
+	case 1:
+		n = "InfiniPath_QLE7340";
+		dd->flags |= QIB_HAS_QSFP;
+		features = PORT_SPD_CAP;
+		break;
+	case 2:
+		n = "InfiniPath_QLE7342";
+		dd->flags |= QIB_HAS_QSFP;
+		break;
+	case 3:
+		n = "InfiniPath_QMI7342";
+		break;
+	case 4:
+		n = "InfiniPath_Unsupported7342";
+		qib_dev_err(dd, "Unsupported version of QMH7342\n");
+		features = 0;
+		break;
+	case BOARD_QMH7342:
+		n = "InfiniPath_QMH7342";
+		features = 0x24;
+		break;
+	case BOARD_QME7342:
+		n = "InfiniPath_QME7342";
+		break;
+	case 15:
+		n = "InfiniPath_QLE7342_TEST";
+		dd->flags |= QIB_HAS_QSFP;
+		break;
+	default:
+		n = "InfiniPath_QLE73xy_UNKNOWN";
+		qib_dev_err(dd, "Unknown 7322 board type %u\n", boardid);
+		break;
+	}
+	dd->board_atten = 1; /* index into txdds_Xdr */
+
+	namelen = strlen(n) + 1;
+	dd->boardname = kmalloc(namelen, GFP_KERNEL);
+	if (!dd->boardname)
+		qib_dev_err(dd, "Failed allocation for board name: %s\n", n);
+	else
+		snprintf(dd->boardname, namelen, "%s", n);
+
+	snprintf(dd->boardversion, sizeof(dd->boardversion),
+		 "ChipABI %u.%u, %s, InfiniPath%u %u.%u, SW Compat %u\n",
+		 QIB_CHIP_VERS_MAJ, QIB_CHIP_VERS_MIN, dd->boardname,
+		 (unsigned)SYM_FIELD(dd->revision, Revision_R, Arch),
+		 dd->majrev, dd->minrev,
+		 (unsigned)SYM_FIELD(dd->revision, Revision_R, SW));
+
+	if (qib_singleport && (features >> PORT_SPD_CAP_SHIFT) & PORT_SPD_CAP) {
+		qib_devinfo(dd->pcidev, "IB%u: Forced to single port mode"
+			    " by module parameter\n", dd->unit);
+		features &= PORT_SPD_CAP;
+	}
+
+	return features;
+}
+
+/*
+ * This routine sleeps, so it can only be called from user context, not
+ * from interrupt context.
+ */
+static int qib_do_7322_reset(struct qib_devdata *dd)
+{
+	u64 val;
+	u64 *msix_vecsave;
+	int i, msix_entries, ret = 1;
+	u16 cmdval;
+	u8 int_line, clinesz;
+	unsigned long flags;
+
+	/* Use dev_err so it shows up in logs, etc. */
+	qib_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->unit);
+
+	qib_pcie_getcmd(dd, &cmdval, &int_line, &clinesz);
+
+	msix_entries = dd->cspec->num_msix_entries;
+
+	/* no interrupts till re-initted */
+	qib_7322_set_intr_state(dd, 0);
+
+	if (msix_entries) {
+		qib_7322_nomsix(dd);
+		/* can be up to 512 bytes, too big for stack */
+		msix_vecsave = kmalloc(2 * dd->cspec->num_msix_entries *
+			sizeof(u64), GFP_KERNEL);
+		if (!msix_vecsave)
+			qib_dev_err(dd, "No mem to save MSIx data\n");
+	} else
+		msix_vecsave = NULL;
+
+	/*
+	 * Core PCI (as of 2.6.18) doesn't save or rewrite the full vector
+	 * info that is set up by the BIOS, so we have to save and restore
+	 * it ourselves.   There is some risk something could change it,
+	 * after we save it, but since we have disabled the MSIx, it
+	 * shouldn't be touched...
+	 */
+	for (i = 0; i < msix_entries; i++) {
+		u64 vecaddr, vecdata;
+		vecaddr = qib_read_kreg64(dd, 2 * i +
+				  (QIB_7322_MsixTable_OFFS / sizeof(u64)));
+		vecdata = qib_read_kreg64(dd, 1 + 2 * i +
+				  (QIB_7322_MsixTable_OFFS / sizeof(u64)));
+		if (msix_vecsave) {
+			msix_vecsave[2 * i] = vecaddr;
+			/* save it without the masked bit set */
+			msix_vecsave[1 + 2 * i] = vecdata & ~0x100000000ULL;
+		}
+	}
+
+	dd->pport->cpspec->ibdeltainprog = 0;
+	dd->pport->cpspec->ibsymdelta = 0;
+	dd->pport->cpspec->iblnkerrdelta = 0;
+	dd->pport->cpspec->ibmalfdelta = 0;
+	dd->int_counter = 0; /* so we check interrupts work again */
+
+	/*
+	 * Keep chip from being accessed until we are ready.  Use
+	 * writeq() directly, to allow the write even though QIB_PRESENT
+	 * isnt' set.
+	 */
+	dd->flags &= ~(QIB_INITTED | QIB_PRESENT | QIB_BADINTR);
+	dd->flags |= QIB_DOING_RESET;
+	val = dd->control | QLOGIC_IB_C_RESET;
+	writeq(val, &dd->kregbase[kr_control]);
+
+	for (i = 1; i <= 5; i++) {
+		/*
+		 * Allow MBIST, etc. to complete; longer on each retry.
+		 * We sometimes get machine checks from bus timeout if no
+		 * response, so for now, make it *really* long.
+		 */
+		msleep(1000 + (1 + i) * 3000);
+
+		qib_pcie_reenable(dd, cmdval, int_line, clinesz);
+
+		/*
+		 * Use readq directly, so we don't need to mark it as PRESENT
+		 * until we get a successful indication that all is well.
+		 */
+		val = readq(&dd->kregbase[kr_revision]);
+		if (val == dd->revision)
+			break;
+		if (i == 5) {
+			qib_dev_err(dd, "Failed to initialize after reset, "
+				    "unusable\n");
+			ret = 0;
+			goto  bail;
+		}
+	}
+
+	dd->flags |= QIB_PRESENT; /* it's back */
+
+	if (msix_entries) {
+		/* restore the MSIx vector address and data if saved above */
+		for (i = 0; i < msix_entries; i++) {
+			dd->cspec->msix_entries[i].entry = i;
+			if (!msix_vecsave || !msix_vecsave[2 * i])
+				continue;
+			qib_write_kreg(dd, 2 * i +
+				(QIB_7322_MsixTable_OFFS / sizeof(u64)),
+				msix_vecsave[2 * i]);
+			qib_write_kreg(dd, 1 + 2 * i +
+				(QIB_7322_MsixTable_OFFS / sizeof(u64)),
+				msix_vecsave[1 + 2 * i]);
+		}
+	}
+
+	/* initialize the remaining registers.  */
+	for (i = 0; i < dd->num_pports; ++i)
+		write_7322_init_portregs(&dd->pport[i]);
+	write_7322_initregs(dd);
+
+	if (qib_pcie_params(dd, dd->lbus_width,
+			    &dd->cspec->num_msix_entries,
+			    dd->cspec->msix_entries))
+		qib_dev_err(dd, "Reset failed to setup PCIe or interrupts; "
+				"continuing anyway\n");
+
+	qib_setup_7322_interrupt(dd, 1);
+
+	for (i = 0; i < dd->num_pports; ++i) {
+		struct qib_pportdata *ppd = &dd->pport[i];
+
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags |= QIBL_IB_FORCE_NOTIFY;
+		ppd->lflags &= ~QIBL_IB_AUTONEG_FAILED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	}
+
+bail:
+	dd->flags &= ~QIB_DOING_RESET; /* OK or not, no longer resetting */
+	kfree(msix_vecsave);
+	return ret;
+}
+
+/**
+ * qib_7322_put_tid - write a TID to the chip
+ * @dd: the qlogic_ib device
+ * @tidptr: pointer to the expected TID (in chip) to update
+ * @tidtype: 0 for eager, 1 for expected
+ * @pa: physical address of in memory buffer; tidinvalid if freeing
+ */
+static void qib_7322_put_tid(struct qib_devdata *dd, u64 __iomem *tidptr,
+			     u32 type, unsigned long pa)
+{
+	if (!(dd->flags & QIB_PRESENT))
+		return;
+	if (pa != dd->tidinvalid) {
+		u64 chippa = pa >> IBA7322_TID_PA_SHIFT;
+
+		/* paranoia checks */
+		if (pa != (chippa << IBA7322_TID_PA_SHIFT)) {
+			qib_dev_err(dd, "Physaddr %lx not 2KB aligned!\n",
+				    pa);
+			return;
+		}
+		if (chippa >= (1UL << IBA7322_TID_SZ_SHIFT)) {
+			qib_dev_err(dd, "Physical page address 0x%lx "
+				"larger than supported\n", pa);
+			return;
+		}
+
+		if (type == RCVHQ_RCV_TYPE_EAGER)
+			chippa |= dd->tidtemplate;
+		else /* for now, always full 4KB page */
+			chippa |= IBA7322_TID_SZ_4K;
+		pa = chippa;
+	}
+	writeq(pa, tidptr);
+	mmiowb();
+}
+
+/**
+ * qib_7322_clear_tids - clear all TID entries for a ctxt, expected and eager
+ * @dd: the qlogic_ib device
+ * @ctxt: the ctxt
+ *
+ * clear all TID entries for a ctxt, expected and eager.
+ * Used from qib_close().
+ */
+static void qib_7322_clear_tids(struct qib_devdata *dd,
+				struct qib_ctxtdata *rcd)
+{
+	u64 __iomem *tidbase;
+	unsigned long tidinv;
+	u32 ctxt;
+	int i;
+
+	if (!dd->kregbase || !rcd)
+		return;
+
+	ctxt = rcd->ctxt;
+
+	tidinv = dd->tidinvalid;
+	tidbase = (u64 __iomem *)
+		((char __iomem *) dd->kregbase +
+		 dd->rcvtidbase +
+		 ctxt * dd->rcvtidcnt * sizeof(*tidbase));
+
+	for (i = 0; i < dd->rcvtidcnt; i++)
+		qib_7322_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EXPECTED,
+				 tidinv);
+
+	tidbase = (u64 __iomem *)
+		((char __iomem *) dd->kregbase +
+		 dd->rcvegrbase +
+		 rcd->rcvegr_tid_base * sizeof(*tidbase));
+
+	for (i = 0; i < rcd->rcvegrcnt; i++)
+		qib_7322_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EAGER,
+				 tidinv);
+}
+
+/**
+ * qib_7322_tidtemplate - setup constants for TID updates
+ * @dd: the qlogic_ib device
+ *
+ * We setup stuff that we use a lot, to avoid calculating each time
+ */
+static void qib_7322_tidtemplate(struct qib_devdata *dd)
+{
+	/*
+	 * For now, we always allocate 4KB buffers (at init) so we can
+	 * receive max size packets.  We may want a module parameter to
+	 * specify 2KB or 4KB and/or make it per port instead of per device
+	 * for those who want to reduce memory footprint.  Note that the
+	 * rcvhdrentsize size must be large enough to hold the largest
+	 * IB header (currently 96 bytes) that we expect to handle (plus of
+	 * course the 2 dwords of RHF).
+	 */
+	if (dd->rcvegrbufsize == 2048)
+		dd->tidtemplate = IBA7322_TID_SZ_2K;
+	else if (dd->rcvegrbufsize == 4096)
+		dd->tidtemplate = IBA7322_TID_SZ_4K;
+	dd->tidinvalid = 0;
+}
+
+/**
+ * qib_init_7322_get_base_info - set chip-specific flags for user code
+ * @rcd: the qlogic_ib ctxt
+ * @kbase: qib_base_info pointer
+ *
+ * We set the PCIE flag because the lower bandwidth on PCIe vs
+ * HyperTransport can affect some user packet algorithims.
+ */
+
+static int qib_7322_get_base_info(struct qib_ctxtdata *rcd,
+				  struct qib_base_info *kinfo)
+{
+	kinfo->spi_runtime_flags |= QIB_RUNTIME_CTXT_MSB_IN_QP |
+		QIB_RUNTIME_PCIE | QIB_RUNTIME_NODMA_RTAIL |
+		QIB_RUNTIME_HDRSUPP | QIB_RUNTIME_SDMA;
+	if (rcd->dd->cspec->r1)
+		kinfo->spi_runtime_flags |= QIB_RUNTIME_RCHK;
+	if (rcd->dd->flags & QIB_USE_SPCL_TRIG)
+		kinfo->spi_runtime_flags |= QIB_RUNTIME_SPECIAL_TRIGGER;
+
+	return 0;
+}
+
+static struct qib_message_header *
+qib_7322_get_msgheader(struct qib_devdata *dd, __le32 *rhf_addr)
+{
+	u32 offset = qib_hdrget_offset(rhf_addr);
+
+	return (struct qib_message_header *)
+		(rhf_addr - dd->rhf_offset + offset);
+}
+
+/*
+ * Configure number of contexts.
+ */
+static void qib_7322_config_ctxts(struct qib_devdata *dd)
+{
+	unsigned long flags;
+	u32 nchipctxts;
+
+	nchipctxts = qib_read_kreg32(dd, kr_contextcnt);
+	dd->cspec->numctxts = nchipctxts;
+	if (qib_n_krcv_queues > 1 && dd->num_pports) {
+		/*
+		 * Set the mask for which bits from the QPN are used
+		 * to select a context number.
+		 */
+		dd->qpn_mask = 0x3f;
+		dd->first_user_ctxt = NUM_IB_PORTS +
+			(qib_n_krcv_queues - 1) * dd->num_pports;
+		if (dd->first_user_ctxt > nchipctxts)
+			dd->first_user_ctxt = nchipctxts;
+		dd->n_krcv_queues = dd->first_user_ctxt / dd->num_pports;
+	} else {
+		dd->first_user_ctxt = NUM_IB_PORTS;
+		dd->n_krcv_queues = 1;
+	}
+
+	if (!qib_cfgctxts) {
+		int nctxts = dd->first_user_ctxt + num_online_cpus();
+
+		if (nctxts <= 6)
+			dd->ctxtcnt = 6;
+		else if (nctxts <= 10)
+			dd->ctxtcnt = 10;
+		else if (nctxts <= nchipctxts)
+			dd->ctxtcnt = nchipctxts;
+	} else if (qib_cfgctxts < dd->num_pports)
+		dd->ctxtcnt = dd->num_pports;
+	else if (qib_cfgctxts <= nchipctxts)
+		dd->ctxtcnt = qib_cfgctxts;
+	if (!dd->ctxtcnt) /* none of the above, set to max */
+		dd->ctxtcnt = nchipctxts;
+
+	/*
+	 * Chip can be configured for 6, 10, or 18 ctxts, and choice
+	 * affects number of eager TIDs per ctxt (1K, 2K, 4K).
+	 * Lock to be paranoid about later motion, etc.
+	 */
+	spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
+	if (dd->ctxtcnt > 10)
+		dd->rcvctrl |= 2ULL << SYM_LSB(RcvCtrl, ContextCfg);
+	else if (dd->ctxtcnt > 6)
+		dd->rcvctrl |= 1ULL << SYM_LSB(RcvCtrl, ContextCfg);
+	/* else configure for default 6 receive ctxts */
+
+	/* The XRC opcode is 5. */
+	dd->rcvctrl |= 5ULL << SYM_LSB(RcvCtrl, XrcTypeCode);
+
+	/*
+	 * RcvCtrl *must* be written here so that the
+	 * chip understands how to change rcvegrcnt below.
+	 */
+	qib_write_kreg(dd, kr_rcvctrl, dd->rcvctrl);
+	spin_unlock_irqrestore(&dd->cspec->rcvmod_lock, flags);
+
+	/* kr_rcvegrcnt changes based on the number of contexts enabled */
+	dd->cspec->rcvegrcnt = qib_read_kreg32(dd, kr_rcvegrcnt);
+	dd->rcvhdrcnt = max(dd->cspec->rcvegrcnt,
+				dd->num_pports > 1 ? 1024U : 2048U);
+}
+
+static int qib_7322_get_ib_cfg(struct qib_pportdata *ppd, int which)
+{
+
+	int lsb, ret = 0;
+	u64 maskr; /* right-justified mask */
+
+	switch (which) {
+
+	case QIB_IB_CFG_LWID_ENB: /* Get allowed Link-width */
+		ret = ppd->link_width_enabled;
+		goto done;
+
+	case QIB_IB_CFG_LWID: /* Get currently active Link-width */
+		ret = ppd->link_width_active;
+		goto done;
+
+	case QIB_IB_CFG_SPD_ENB: /* Get allowed Link speeds */
+		ret = ppd->link_speed_enabled;
+		goto done;
+
+	case QIB_IB_CFG_SPD: /* Get current Link spd */
+		ret = ppd->link_speed_active;
+		goto done;
+
+	case QIB_IB_CFG_RXPOL_ENB: /* Get Auto-RX-polarity enable */
+		lsb = SYM_LSB(IBCCtrlB_0, IB_POLARITY_REV_SUPP);
+		maskr = SYM_RMASK(IBCCtrlB_0, IB_POLARITY_REV_SUPP);
+		break;
+
+	case QIB_IB_CFG_LREV_ENB: /* Get Auto-Lane-reversal enable */
+		lsb = SYM_LSB(IBCCtrlB_0, IB_LANE_REV_SUPPORTED);
+		maskr = SYM_RMASK(IBCCtrlB_0, IB_LANE_REV_SUPPORTED);
+		break;
+
+	case QIB_IB_CFG_LINKLATENCY:
+		ret = qib_read_kreg_port(ppd, krp_ibcstatus_b) &
+			SYM_MASK(IBCStatusB_0, LinkRoundTripLatency);
+		goto done;
+
+	case QIB_IB_CFG_OP_VLS:
+		ret = ppd->vls_operational;
+		goto done;
+
+	case QIB_IB_CFG_VL_HIGH_CAP:
+		ret = 16;
+		goto done;
+
+	case QIB_IB_CFG_VL_LOW_CAP:
+		ret = 16;
+		goto done;
+
+	case QIB_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */
+		ret = SYM_FIELD(ppd->cpspec->ibcctrl_a, IBCCtrlA_0,
+				OverrunThreshold);
+		goto done;
+
+	case QIB_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */
+		ret = SYM_FIELD(ppd->cpspec->ibcctrl_a, IBCCtrlA_0,
+				PhyerrThreshold);
+		goto done;
+
+	case QIB_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */
+		/* will only take effect when the link state changes */
+		ret = (ppd->cpspec->ibcctrl_a &
+		       SYM_MASK(IBCCtrlA_0, LinkDownDefaultState)) ?
+			IB_LINKINITCMD_SLEEP : IB_LINKINITCMD_POLL;
+		goto done;
+
+	case QIB_IB_CFG_HRTBT: /* Get Heartbeat off/enable/auto */
+		lsb = IBA7322_IBC_HRTBT_LSB;
+		maskr = IBA7322_IBC_HRTBT_RMASK; /* OR of AUTO and ENB */
+		break;
+
+	case QIB_IB_CFG_PMA_TICKS:
+		/*
+		 * 0x00 = 10x link transfer rate or 4 nsec. for 2.5Gbs
+		 * Since the clock is always 250MHz, the value is 3, 1 or 0.
+		 */
+		if (ppd->link_speed_active == QIB_IB_QDR)
+			ret = 3;
+		else if (ppd->link_speed_active == QIB_IB_DDR)
+			ret = 1;
+		else
+			ret = 0;
+		goto done;
+
+	default:
+		ret = -EINVAL;
+		goto done;
+	}
+	ret = (int)((ppd->cpspec->ibcctrl_b >> lsb) & maskr);
+done:
+	return ret;
+}
+
+/*
+ * Below again cribbed liberally from older version. Do not lean
+ * heavily on it.
+ */
+#define IBA7322_IBC_DLIDLMC_SHIFT QIB_7322_IBCCtrlB_0_IB_DLID_LSB
+#define IBA7322_IBC_DLIDLMC_MASK (QIB_7322_IBCCtrlB_0_IB_DLID_RMASK \
+	| (QIB_7322_IBCCtrlB_0_IB_DLID_MASK_RMASK << 16))
+
+static int qib_7322_set_ib_cfg(struct qib_pportdata *ppd, int which, u32 val)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 maskr; /* right-justified mask */
+	int lsb, ret = 0;
+	u16 lcmd, licmd;
+	unsigned long flags;
+
+	switch (which) {
+	case QIB_IB_CFG_LIDLMC:
+		/*
+		 * Set LID and LMC. Combined to avoid possible hazard
+		 * caller puts LMC in 16MSbits, DLID in 16LSbits of val
+		 */
+		lsb = IBA7322_IBC_DLIDLMC_SHIFT;
+		maskr = IBA7322_IBC_DLIDLMC_MASK;
+		/*
+		 * For header-checking, the SLID in the packet will
+		 * be masked with SendIBSLMCMask, and compared
+		 * with SendIBSLIDAssignMask. Make sure we do not
+		 * set any bits not covered by the mask, or we get
+		 * false-positives.
+		 */
+		qib_write_kreg_port(ppd, krp_sendslid,
+				    val & (val >> 16) & SendIBSLIDAssignMask);
+		qib_write_kreg_port(ppd, krp_sendslidmask,
+				    (val >> 16) & SendIBSLMCMask);
+		break;
+
+	case QIB_IB_CFG_LWID_ENB: /* set allowed Link-width */
+		ppd->link_width_enabled = val;
+		/* convert IB value to chip register value */
+		if (val == IB_WIDTH_1X)
+			val = 0;
+		else if (val == IB_WIDTH_4X)
+			val = 1;
+		else
+			val = 3;
+		maskr = SYM_RMASK(IBCCtrlB_0, IB_NUM_CHANNELS);
+		lsb = SYM_LSB(IBCCtrlB_0, IB_NUM_CHANNELS);
+		break;
+
+	case QIB_IB_CFG_SPD_ENB: /* set allowed Link speeds */
+		/*
+		 * As with width, only write the actual register if the
+		 * link is currently down, otherwise takes effect on next
+		 * link change.  Since setting is being explictly requested
+		 * (via MAD or sysfs), clear autoneg failure status if speed
+		 * autoneg is enabled.
+		 */
+		ppd->link_speed_enabled = val;
+		val <<= IBA7322_IBC_SPEED_LSB;
+		maskr = IBA7322_IBC_SPEED_MASK | IBA7322_IBC_IBTA_1_2_MASK |
+			IBA7322_IBC_MAX_SPEED_MASK;
+		if (val & (val - 1)) {
+			/* Muliple speeds enabled */
+			val |= IBA7322_IBC_IBTA_1_2_MASK |
+				IBA7322_IBC_MAX_SPEED_MASK;
+			spin_lock_irqsave(&ppd->lflags_lock, flags);
+			ppd->lflags &= ~QIBL_IB_AUTONEG_FAILED;
+			spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		} else if (val & IBA7322_IBC_SPEED_QDR)
+			val |= IBA7322_IBC_IBTA_1_2_MASK;
+		/* IBTA 1.2 mode + min/max + speed bits are contiguous */
+		lsb = SYM_LSB(IBCCtrlB_0, IB_ENHANCED_MODE);
+		break;
+
+	case QIB_IB_CFG_RXPOL_ENB: /* set Auto-RX-polarity enable */
+		lsb = SYM_LSB(IBCCtrlB_0, IB_POLARITY_REV_SUPP);
+		maskr = SYM_RMASK(IBCCtrlB_0, IB_POLARITY_REV_SUPP);
+		break;
+
+	case QIB_IB_CFG_LREV_ENB: /* set Auto-Lane-reversal enable */
+		lsb = SYM_LSB(IBCCtrlB_0, IB_LANE_REV_SUPPORTED);
+		maskr = SYM_RMASK(IBCCtrlB_0, IB_LANE_REV_SUPPORTED);
+		break;
+
+	case QIB_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */
+		maskr = SYM_FIELD(ppd->cpspec->ibcctrl_a, IBCCtrlA_0,
+				  OverrunThreshold);
+		if (maskr != val) {
+			ppd->cpspec->ibcctrl_a &=
+				~SYM_MASK(IBCCtrlA_0, OverrunThreshold);
+			ppd->cpspec->ibcctrl_a |= (u64) val <<
+				SYM_LSB(IBCCtrlA_0, OverrunThreshold);
+			qib_write_kreg_port(ppd, krp_ibcctrl_a,
+					    ppd->cpspec->ibcctrl_a);
+			qib_write_kreg(dd, kr_scratch, 0ULL);
+		}
+		goto bail;
+
+	case QIB_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */
+		maskr = SYM_FIELD(ppd->cpspec->ibcctrl_a, IBCCtrlA_0,
+				  PhyerrThreshold);
+		if (maskr != val) {
+			ppd->cpspec->ibcctrl_a &=
+				~SYM_MASK(IBCCtrlA_0, PhyerrThreshold);
+			ppd->cpspec->ibcctrl_a |= (u64) val <<
+				SYM_LSB(IBCCtrlA_0, PhyerrThreshold);
+			qib_write_kreg_port(ppd, krp_ibcctrl_a,
+					    ppd->cpspec->ibcctrl_a);
+			qib_write_kreg(dd, kr_scratch, 0ULL);
+		}
+		goto bail;
+
+	case QIB_IB_CFG_PKEYS: /* update pkeys */
+		maskr = (u64) ppd->pkeys[0] | ((u64) ppd->pkeys[1] << 16) |
+			((u64) ppd->pkeys[2] << 32) |
+			((u64) ppd->pkeys[3] << 48);
+		qib_write_kreg_port(ppd, krp_partitionkey, maskr);
+		goto bail;
+
+	case QIB_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */
+		/* will only take effect when the link state changes */
+		if (val == IB_LINKINITCMD_POLL)
+			ppd->cpspec->ibcctrl_a &=
+				~SYM_MASK(IBCCtrlA_0, LinkDownDefaultState);
+		else /* SLEEP */
+			ppd->cpspec->ibcctrl_a |=
+				SYM_MASK(IBCCtrlA_0, LinkDownDefaultState);
+		qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a);
+		qib_write_kreg(dd, kr_scratch, 0ULL);
+		goto bail;
+
+	case QIB_IB_CFG_MTU: /* update the MTU in IBC */
+		/*
+		 * Update our housekeeping variables, and set IBC max
+		 * size, same as init code; max IBC is max we allow in
+		 * buffer, less the qword pbc, plus 1 for ICRC, in dwords
+		 * Set even if it's unchanged, print debug message only
+		 * on changes.
+		 */
+		val = (ppd->ibmaxlen >> 2) + 1;
+		ppd->cpspec->ibcctrl_a &= ~SYM_MASK(IBCCtrlA_0, MaxPktLen);
+		ppd->cpspec->ibcctrl_a |= (u64)val <<
+			SYM_LSB(IBCCtrlA_0, MaxPktLen);
+		qib_write_kreg_port(ppd, krp_ibcctrl_a,
+				    ppd->cpspec->ibcctrl_a);
+		qib_write_kreg(dd, kr_scratch, 0ULL);
+		goto bail;
+
+	case QIB_IB_CFG_LSTATE: /* set the IB link state */
+		switch (val & 0xffff0000) {
+		case IB_LINKCMD_DOWN:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_DOWN;
+			ppd->cpspec->ibmalfusesnap = 1;
+			ppd->cpspec->ibmalfsnap = read_7322_creg32_port(ppd,
+				crp_errlink);
+			if (!ppd->cpspec->ibdeltainprog &&
+			    qib_compat_ddr_negotiate) {
+				ppd->cpspec->ibdeltainprog = 1;
+				ppd->cpspec->ibsymsnap =
+					read_7322_creg32_port(ppd,
+							      crp_ibsymbolerr);
+				ppd->cpspec->iblnkerrsnap =
+					read_7322_creg32_port(ppd,
+						      crp_iblinkerrrecov);
+			}
+			break;
+
+		case IB_LINKCMD_ARMED:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_ARMED;
+			if (ppd->cpspec->ibmalfusesnap) {
+				ppd->cpspec->ibmalfusesnap = 0;
+				ppd->cpspec->ibmalfdelta +=
+					read_7322_creg32_port(ppd,
+							      crp_errlink) -
+					ppd->cpspec->ibmalfsnap;
+			}
+			break;
+
+		case IB_LINKCMD_ACTIVE:
+			lcmd = QLOGIC_IB_IBCC_LINKCMD_ACTIVE;
+			break;
+
+		default:
+			ret = -EINVAL;
+			qib_dev_err(dd, "bad linkcmd req 0x%x\n", val >> 16);
+			goto bail;
+		}
+		switch (val & 0xffff) {
+		case IB_LINKINITCMD_NOP:
+			licmd = 0;
+			break;
+
+		case IB_LINKINITCMD_POLL:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_POLL;
+			break;
+
+		case IB_LINKINITCMD_SLEEP:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_SLEEP;
+			break;
+
+		case IB_LINKINITCMD_DISABLE:
+			licmd = QLOGIC_IB_IBCC_LINKINITCMD_DISABLE;
+			ppd->cpspec->chase_end = 0;
+			/*
+			 * stop state chase counter and timer, if running.
+			 * wait forpending timer, but don't clear .data (ppd)!
+			 */
+			if (ppd->cpspec->chase_timer.expires) {
+				del_timer_sync(&ppd->cpspec->chase_timer);
+				ppd->cpspec->chase_timer.expires = 0;
+			}
+			break;
+
+		default:
+			ret = -EINVAL;
+			qib_dev_err(dd, "bad linkinitcmd req 0x%x\n",
+				    val & 0xffff);
+			goto bail;
+		}
+		qib_set_ib_7322_lstate(ppd, lcmd, licmd);
+		goto bail;
+
+	case QIB_IB_CFG_OP_VLS:
+		if (ppd->vls_operational != val) {
+			ppd->vls_operational = val;
+			set_vls(ppd);
+		}
+		goto bail;
+
+	case QIB_IB_CFG_VL_HIGH_LIMIT:
+		qib_write_kreg_port(ppd, krp_highprio_limit, val);
+		goto bail;
+
+	case QIB_IB_CFG_HRTBT: /* set Heartbeat off/enable/auto */
+		if (val > 3) {
+			ret = -EINVAL;
+			goto bail;
+		}
+		lsb = IBA7322_IBC_HRTBT_LSB;
+		maskr = IBA7322_IBC_HRTBT_RMASK; /* OR of AUTO and ENB */
+		break;
+
+	case QIB_IB_CFG_PORT:
+		/* val is the port number of the switch we are connected to. */
+		if (ppd->dd->cspec->r1) {
+			cancel_delayed_work(&ppd->cpspec->ipg_work);
+			ppd->cpspec->ipg_tries = 0;
+		}
+		goto bail;
+
+	default:
+		ret = -EINVAL;
+		goto bail;
+	}
+	ppd->cpspec->ibcctrl_b &= ~(maskr << lsb);
+	ppd->cpspec->ibcctrl_b |= (((u64) val & maskr) << lsb);
+	qib_write_kreg_port(ppd, krp_ibcctrl_b, ppd->cpspec->ibcctrl_b);
+	qib_write_kreg(dd, kr_scratch, 0);
+bail:
+	return ret;
+}
+
+static int qib_7322_set_loopback(struct qib_pportdata *ppd, const char *what)
+{
+	int ret = 0;
+	u64 val, ctrlb;
+
+	/* only IBC loopback, may add serdes and xgxs loopbacks later */
+	if (!strncmp(what, "ibc", 3)) {
+		ppd->cpspec->ibcctrl_a |= SYM_MASK(IBCCtrlA_0,
+						       Loopback);
+		val = 0; /* disable heart beat, so link will come up */
+		qib_devinfo(ppd->dd->pcidev, "Enabling IB%u:%u IBC loopback\n",
+			 ppd->dd->unit, ppd->port);
+	} else if (!strncmp(what, "off", 3)) {
+		ppd->cpspec->ibcctrl_a &= ~SYM_MASK(IBCCtrlA_0,
+							Loopback);
+		/* enable heart beat again */
+		val = IBA7322_IBC_HRTBT_RMASK << IBA7322_IBC_HRTBT_LSB;
+		qib_devinfo(ppd->dd->pcidev, "Disabling IB%u:%u IBC loopback "
+			    "(normal)\n", ppd->dd->unit, ppd->port);
+	} else
+		ret = -EINVAL;
+	if (!ret) {
+		qib_write_kreg_port(ppd, krp_ibcctrl_a,
+				    ppd->cpspec->ibcctrl_a);
+		ctrlb = ppd->cpspec->ibcctrl_b & ~(IBA7322_IBC_HRTBT_MASK
+					     << IBA7322_IBC_HRTBT_LSB);
+		ppd->cpspec->ibcctrl_b = ctrlb | val;
+		qib_write_kreg_port(ppd, krp_ibcctrl_b,
+				    ppd->cpspec->ibcctrl_b);
+		qib_write_kreg(ppd->dd, kr_scratch, 0);
+	}
+	return ret;
+}
+
+static void get_vl_weights(struct qib_pportdata *ppd, unsigned regno,
+			   struct ib_vl_weight_elem *vl)
+{
+	unsigned i;
+
+	for (i = 0; i < 16; i++, regno++, vl++) {
+		u32 val = qib_read_kreg_port(ppd, regno);
+
+		vl->vl = (val >> SYM_LSB(LowPriority0_0, VirtualLane)) &
+			SYM_RMASK(LowPriority0_0, VirtualLane);
+		vl->weight = (val >> SYM_LSB(LowPriority0_0, Weight)) &
+			SYM_RMASK(LowPriority0_0, Weight);
+	}
+}
+
+static void set_vl_weights(struct qib_pportdata *ppd, unsigned regno,
+			   struct ib_vl_weight_elem *vl)
+{
+	unsigned i;
+
+	for (i = 0; i < 16; i++, regno++, vl++) {
+		u64 val;
+
+		val = ((vl->vl & SYM_RMASK(LowPriority0_0, VirtualLane)) <<
+			SYM_LSB(LowPriority0_0, VirtualLane)) |
+		      ((vl->weight & SYM_RMASK(LowPriority0_0, Weight)) <<
+			SYM_LSB(LowPriority0_0, Weight));
+		qib_write_kreg_port(ppd, regno, val);
+	}
+	if (!(ppd->p_sendctrl & SYM_MASK(SendCtrl_0, IBVLArbiterEn))) {
+		struct qib_devdata *dd = ppd->dd;
+		unsigned long flags;
+
+		spin_lock_irqsave(&dd->sendctrl_lock, flags);
+		ppd->p_sendctrl |= SYM_MASK(SendCtrl_0, IBVLArbiterEn);
+		qib_write_kreg_port(ppd, krp_sendctrl, ppd->p_sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+		spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+	}
+}
+
+static int qib_7322_get_ib_table(struct qib_pportdata *ppd, int which, void *t)
+{
+	switch (which) {
+	case QIB_IB_TBL_VL_HIGH_ARB:
+		get_vl_weights(ppd, krp_highprio_0, t);
+		break;
+
+	case QIB_IB_TBL_VL_LOW_ARB:
+		get_vl_weights(ppd, krp_lowprio_0, t);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int qib_7322_set_ib_table(struct qib_pportdata *ppd, int which, void *t)
+{
+	switch (which) {
+	case QIB_IB_TBL_VL_HIGH_ARB:
+		set_vl_weights(ppd, krp_highprio_0, t);
+		break;
+
+	case QIB_IB_TBL_VL_LOW_ARB:
+		set_vl_weights(ppd, krp_lowprio_0, t);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static void qib_update_7322_usrhead(struct qib_ctxtdata *rcd, u64 hd,
+				    u32 updegr, u32 egrhd)
+{
+	qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+	qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+	if (updegr)
+		qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+}
+
+static u32 qib_7322_hdrqempty(struct qib_ctxtdata *rcd)
+{
+	u32 head, tail;
+
+	head = qib_read_ureg32(rcd->dd, ur_rcvhdrhead, rcd->ctxt);
+	if (rcd->rcvhdrtail_kvaddr)
+		tail = qib_get_rcvhdrtail(rcd);
+	else
+		tail = qib_read_ureg32(rcd->dd, ur_rcvhdrtail, rcd->ctxt);
+	return head == tail;
+}
+
+#define RCVCTRL_COMMON_MODS (QIB_RCVCTRL_CTXT_ENB | \
+	QIB_RCVCTRL_CTXT_DIS | \
+	QIB_RCVCTRL_TIDFLOW_ENB | \
+	QIB_RCVCTRL_TIDFLOW_DIS | \
+	QIB_RCVCTRL_TAILUPD_ENB | \
+	QIB_RCVCTRL_TAILUPD_DIS | \
+	QIB_RCVCTRL_INTRAVAIL_ENB | \
+	QIB_RCVCTRL_INTRAVAIL_DIS | \
+	QIB_RCVCTRL_BP_ENB | \
+	QIB_RCVCTRL_BP_DIS)
+
+#define RCVCTRL_PORT_MODS (QIB_RCVCTRL_CTXT_ENB | \
+	QIB_RCVCTRL_CTXT_DIS | \
+	QIB_RCVCTRL_PKEY_DIS | \
+	QIB_RCVCTRL_PKEY_ENB)
+
+/*
+ * Modify the RCVCTRL register in chip-specific way. This
+ * is a function because bit positions and (future) register
+ * location is chip-specifc, but the needed operations are
+ * generic. <op> is a bit-mask because we often want to
+ * do multiple modifications.
+ */
+static void rcvctrl_7322_mod(struct qib_pportdata *ppd, unsigned int op,
+			     int ctxt)
+{
+	struct qib_devdata *dd = ppd->dd;
+	struct qib_ctxtdata *rcd;
+	u64 mask, val;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
+
+	if (op & QIB_RCVCTRL_TIDFLOW_ENB)
+		dd->rcvctrl |= SYM_MASK(RcvCtrl, TidFlowEnable);
+	if (op & QIB_RCVCTRL_TIDFLOW_DIS)
+		dd->rcvctrl &= ~SYM_MASK(RcvCtrl, TidFlowEnable);
+	if (op & QIB_RCVCTRL_TAILUPD_ENB)
+		dd->rcvctrl |= SYM_MASK(RcvCtrl, TailUpd);
+	if (op & QIB_RCVCTRL_TAILUPD_DIS)
+		dd->rcvctrl &= ~SYM_MASK(RcvCtrl, TailUpd);
+	if (op & QIB_RCVCTRL_PKEY_ENB)
+		ppd->p_rcvctrl &= ~SYM_MASK(RcvCtrl_0, RcvPartitionKeyDisable);
+	if (op & QIB_RCVCTRL_PKEY_DIS)
+		ppd->p_rcvctrl |= SYM_MASK(RcvCtrl_0, RcvPartitionKeyDisable);
+	if (ctxt < 0) {
+		mask = (1ULL << dd->ctxtcnt) - 1;
+		rcd = NULL;
+	} else {
+		mask = (1ULL << ctxt);
+		rcd = dd->rcd[ctxt];
+	}
+	if ((op & QIB_RCVCTRL_CTXT_ENB) && rcd) {
+		ppd->p_rcvctrl |=
+			(mask << SYM_LSB(RcvCtrl_0, ContextEnableKernel));
+		if (!(dd->flags & QIB_NODMA_RTAIL)) {
+			op |= QIB_RCVCTRL_TAILUPD_ENB; /* need reg write */
+			dd->rcvctrl |= SYM_MASK(RcvCtrl, TailUpd);
+		}
+		/* Write these registers before the context is enabled. */
+		qib_write_kreg_ctxt(dd, krc_rcvhdrtailaddr, ctxt,
+				    rcd->rcvhdrqtailaddr_phys);
+		qib_write_kreg_ctxt(dd, krc_rcvhdraddr, ctxt,
+				    rcd->rcvhdrq_phys);
+		rcd->seq_cnt = 1;
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+		if (dd->flags & QIB_DCA_ENABLED)
+			qib_update_rhdrq_dca(rcd);
+#endif
+	}
+	if (op & QIB_RCVCTRL_CTXT_DIS)
+		ppd->p_rcvctrl &=
+			~(mask << SYM_LSB(RcvCtrl_0, ContextEnableKernel));
+	if (op & QIB_RCVCTRL_BP_ENB)
+		dd->rcvctrl |= mask << SYM_LSB(RcvCtrl, dontDropRHQFull);
+	if (op & QIB_RCVCTRL_BP_DIS)
+		dd->rcvctrl &= ~(mask << SYM_LSB(RcvCtrl, dontDropRHQFull));
+	if (op & QIB_RCVCTRL_INTRAVAIL_ENB)
+		dd->rcvctrl |= (mask << SYM_LSB(RcvCtrl, IntrAvail));
+	if (op & QIB_RCVCTRL_INTRAVAIL_DIS)
+		dd->rcvctrl &= ~(mask << SYM_LSB(RcvCtrl, IntrAvail));
+	/*
+	 * Decide which registers to write depending on the ops enabled.
+	 * Special case is "flush" (no bits set at all)
+	 * which needs to write both.
+	 */
+	if (op == 0 || (op & RCVCTRL_COMMON_MODS))
+		qib_write_kreg(dd, kr_rcvctrl, dd->rcvctrl);
+	if (op == 0 || (op & RCVCTRL_PORT_MODS))
+		qib_write_kreg_port(ppd, krp_rcvctrl, ppd->p_rcvctrl);
+	if ((op & QIB_RCVCTRL_CTXT_ENB) && dd->rcd[ctxt]) {
+		/*
+		 * Init the context registers also; if we were
+		 * disabled, tail and head should both be zero
+		 * already from the enable, but since we don't
+		 * know, we have to do it explictly.
+		 */
+		val = qib_read_ureg32(dd, ur_rcvegrindextail, ctxt);
+		qib_write_ureg(dd, ur_rcvegrindexhead, val, ctxt);
+
+		/* be sure enabling write seen; hd/tl should be 0 */
+		(void) qib_read_kreg32(dd, kr_scratch);
+		val = qib_read_ureg32(dd, ur_rcvhdrtail, ctxt);
+		dd->rcd[ctxt]->head = val;
+		/* If kctxt, interrupt on next receive. */
+		if (ctxt < dd->first_user_ctxt)
+			val |= dd->rhdrhead_intr_off;
+		qib_write_ureg(dd, ur_rcvhdrhead, val, ctxt);
+	} else if ((op & QIB_RCVCTRL_INTRAVAIL_ENB) &&
+		dd->rcd[ctxt] && dd->rhdrhead_intr_off) {
+		/* arm rcv interrupt */
+		val = dd->rcd[ctxt]->head | dd->rhdrhead_intr_off;
+		qib_write_ureg(dd, ur_rcvhdrhead, val, ctxt);
+	}
+	if (op & QIB_RCVCTRL_CTXT_DIS) {
+		unsigned f;
+
+		/* Now that the context is disabled, clear these registers. */
+		if (ctxt >= 0) {
+			qib_write_kreg_ctxt(dd, krc_rcvhdrtailaddr, ctxt, 0);
+			qib_write_kreg_ctxt(dd, krc_rcvhdraddr, ctxt, 0);
+			for (f = 0; f < NUM_TIDFLOWS_CTXT; f++)
+				qib_write_ureg(dd, ur_rcvflowtable + f,
+					       TIDFLOW_ERRBITS, ctxt);
+		} else {
+			unsigned i;
+
+			for (i = 0; i < dd->cfgctxts; i++) {
+				qib_write_kreg_ctxt(dd, krc_rcvhdrtailaddr,
+						    i, 0);
+				qib_write_kreg_ctxt(dd, krc_rcvhdraddr, i, 0);
+				for (f = 0; f < NUM_TIDFLOWS_CTXT; f++)
+					qib_write_ureg(dd, ur_rcvflowtable + f,
+						       TIDFLOW_ERRBITS, i);
+			}
+		}
+	}
+	spin_unlock_irqrestore(&dd->cspec->rcvmod_lock, flags);
+}
+
+/*
+ * Modify the SENDCTRL register in chip-specific way. This
+ * is a function where there are multiple such registers with
+ * slightly different layouts.
+ * The chip doesn't allow back-to-back sendctrl writes, so write
+ * the scratch register after writing sendctrl.
+ *
+ * Which register is written depends on the operation.
+ * Most operate on the common register, while
+ * SEND_ENB and SEND_DIS operate on the per-port ones.
+ * SEND_ENB is included in common because it can change SPCL_TRIG
+ */
+#define SENDCTRL_COMMON_MODS (\
+	QIB_SENDCTRL_CLEAR | \
+	QIB_SENDCTRL_AVAIL_DIS | \
+	QIB_SENDCTRL_AVAIL_ENB | \
+	QIB_SENDCTRL_AVAIL_BLIP | \
+	QIB_SENDCTRL_DISARM | \
+	QIB_SENDCTRL_DISARM_ALL | \
+	QIB_SENDCTRL_SEND_ENB)
+
+#define SENDCTRL_PORT_MODS (\
+	QIB_SENDCTRL_CLEAR | \
+	QIB_SENDCTRL_SEND_ENB | \
+	QIB_SENDCTRL_SEND_DIS | \
+	QIB_SENDCTRL_FLUSH)
+
+static void sendctrl_7322_mod(struct qib_pportdata *ppd, u32 op)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 tmp_dd_sendctrl;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->sendctrl_lock, flags);
+
+	/* First the dd ones that are "sticky", saved in shadow */
+	if (op & QIB_SENDCTRL_CLEAR)
+		dd->sendctrl = 0;
+	if (op & QIB_SENDCTRL_AVAIL_DIS)
+		dd->sendctrl &= ~SYM_MASK(SendCtrl, SendBufAvailUpd);
+	else if (op & QIB_SENDCTRL_AVAIL_ENB) {
+		dd->sendctrl |= SYM_MASK(SendCtrl, SendBufAvailUpd);
+		if (dd->flags & QIB_USE_SPCL_TRIG)
+			dd->sendctrl |= SYM_MASK(SendCtrl, SpecialTriggerEn);
+	}
+
+	/* Then the ppd ones that are "sticky", saved in shadow */
+	if (op & QIB_SENDCTRL_SEND_DIS)
+		ppd->p_sendctrl &= ~SYM_MASK(SendCtrl_0, SendEnable);
+	else if (op & QIB_SENDCTRL_SEND_ENB)
+		ppd->p_sendctrl |= SYM_MASK(SendCtrl_0, SendEnable);
+
+	if (op & QIB_SENDCTRL_DISARM_ALL) {
+		u32 i, last;
+
+		tmp_dd_sendctrl = dd->sendctrl;
+		last = dd->piobcnt2k + dd->piobcnt4k + NUM_VL15_BUFS;
+		/*
+		 * Disarm any buffers that are not yet launched,
+		 * disabling updates until done.
+		 */
+		tmp_dd_sendctrl &= ~SYM_MASK(SendCtrl, SendBufAvailUpd);
+		for (i = 0; i < last; i++) {
+			qib_write_kreg(dd, kr_sendctrl,
+				       tmp_dd_sendctrl |
+				       SYM_MASK(SendCtrl, Disarm) | i);
+			qib_write_kreg(dd, kr_scratch, 0);
+		}
+	}
+
+	if (op & QIB_SENDCTRL_FLUSH) {
+		u64 tmp_ppd_sendctrl = ppd->p_sendctrl;
+
+		/*
+		 * Now drain all the fifos.  The Abort bit should never be
+		 * needed, so for now, at least, we don't use it.
+		 */
+		tmp_ppd_sendctrl |=
+			SYM_MASK(SendCtrl_0, TxeDrainRmFifo) |
+			SYM_MASK(SendCtrl_0, TxeDrainLaFifo) |
+			SYM_MASK(SendCtrl_0, TxeBypassIbc);
+		qib_write_kreg_port(ppd, krp_sendctrl, tmp_ppd_sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+	}
+
+	tmp_dd_sendctrl = dd->sendctrl;
+
+	if (op & QIB_SENDCTRL_DISARM)
+		tmp_dd_sendctrl |= SYM_MASK(SendCtrl, Disarm) |
+			((op & QIB_7322_SendCtrl_DisarmSendBuf_RMASK) <<
+			 SYM_LSB(SendCtrl, DisarmSendBuf));
+	if ((op & QIB_SENDCTRL_AVAIL_BLIP) &&
+	    (dd->sendctrl & SYM_MASK(SendCtrl, SendBufAvailUpd)))
+		tmp_dd_sendctrl &= ~SYM_MASK(SendCtrl, SendBufAvailUpd);
+
+	if (op == 0 || (op & SENDCTRL_COMMON_MODS)) {
+		qib_write_kreg(dd, kr_sendctrl, tmp_dd_sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+	}
+
+	if (op == 0 || (op & SENDCTRL_PORT_MODS)) {
+		qib_write_kreg_port(ppd, krp_sendctrl, ppd->p_sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+	}
+
+	if (op & QIB_SENDCTRL_AVAIL_BLIP) {
+		qib_write_kreg(dd, kr_sendctrl, dd->sendctrl);
+		qib_write_kreg(dd, kr_scratch, 0);
+	}
+
+	spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+
+	if (op & QIB_SENDCTRL_FLUSH) {
+		u32 v;
+		/*
+		 * ensure writes have hit chip, then do a few
+		 * more reads, to allow DMA of pioavail registers
+		 * to occur, so in-memory copy is in sync with
+		 * the chip.  Not always safe to sleep.
+		 */
+		v = qib_read_kreg32(dd, kr_scratch);
+		qib_write_kreg(dd, kr_scratch, v);
+		v = qib_read_kreg32(dd, kr_scratch);
+		qib_write_kreg(dd, kr_scratch, v);
+		qib_read_kreg32(dd, kr_scratch);
+	}
+}
+
+#define _PORT_VIRT_FLAG 0x8000U /* "virtual", need adjustments */
+#define _PORT_64BIT_FLAG 0x10000U /* not "virtual", but 64bit */
+#define _PORT_CNTR_IDXMASK 0x7fffU /* mask off flags above */
+
+/**
+ * qib_portcntr_7322 - read a per-port chip counter
+ * @ppd: the qlogic_ib pport
+ * @creg: the counter to read (not a chip offset)
+ */
+static u64 qib_portcntr_7322(struct qib_pportdata *ppd, u32 reg)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 ret = 0ULL;
+	u16 creg;
+	/* 0xffff for unimplemented or synthesized counters */
+	static const u32 xlator[] = {
+		[QIBPORTCNTR_PKTSEND] = crp_pktsend | _PORT_64BIT_FLAG,
+		[QIBPORTCNTR_WORDSEND] = crp_wordsend | _PORT_64BIT_FLAG,
+		[QIBPORTCNTR_PSXMITDATA] = crp_psxmitdatacount,
+		[QIBPORTCNTR_PSXMITPKTS] = crp_psxmitpktscount,
+		[QIBPORTCNTR_PSXMITWAIT] = crp_psxmitwaitcount,
+		[QIBPORTCNTR_SENDSTALL] = crp_sendstall,
+		[QIBPORTCNTR_PKTRCV] = crp_pktrcv | _PORT_64BIT_FLAG,
+		[QIBPORTCNTR_PSRCVDATA] = crp_psrcvdatacount,
+		[QIBPORTCNTR_PSRCVPKTS] = crp_psrcvpktscount,
+		[QIBPORTCNTR_RCVEBP] = crp_rcvebp,
+		[QIBPORTCNTR_RCVOVFL] = crp_rcvovfl,
+		[QIBPORTCNTR_WORDRCV] = crp_wordrcv | _PORT_64BIT_FLAG,
+		[QIBPORTCNTR_RXDROPPKT] = 0xffff, /* not needed  for 7322 */
+		[QIBPORTCNTR_RXLOCALPHYERR] = crp_rxotherlocalphyerr,
+		[QIBPORTCNTR_RXVLERR] = crp_rxvlerr,
+		[QIBPORTCNTR_ERRICRC] = crp_erricrc,
+		[QIBPORTCNTR_ERRVCRC] = crp_errvcrc,
+		[QIBPORTCNTR_ERRLPCRC] = crp_errlpcrc,
+		[QIBPORTCNTR_BADFORMAT] = crp_badformat,
+		[QIBPORTCNTR_ERR_RLEN] = crp_err_rlen,
+		[QIBPORTCNTR_IBSYMBOLERR] = crp_ibsymbolerr,
+		[QIBPORTCNTR_INVALIDRLEN] = crp_invalidrlen,
+		[QIBPORTCNTR_UNSUPVL] = crp_txunsupvl,
+		[QIBPORTCNTR_EXCESSBUFOVFL] = crp_excessbufferovfl,
+		[QIBPORTCNTR_ERRLINK] = crp_errlink,
+		[QIBPORTCNTR_IBLINKDOWN] = crp_iblinkdown,
+		[QIBPORTCNTR_IBLINKERRRECOV] = crp_iblinkerrrecov,
+		[QIBPORTCNTR_LLI] = crp_locallinkintegrityerr,
+		[QIBPORTCNTR_VL15PKTDROP] = crp_vl15droppedpkt,
+		[QIBPORTCNTR_ERRPKEY] = crp_errpkey,
+		/*
+		 * the next 3 aren't really counters, but were implemented
+		 * as counters in older chips, so still get accessed as
+		 * though they were counters from this code.
+		 */
+		[QIBPORTCNTR_PSINTERVAL] = krp_psinterval,
+		[QIBPORTCNTR_PSSTART] = krp_psstart,
+		[QIBPORTCNTR_PSSTAT] = krp_psstat,
+		/* pseudo-counter, summed for all ports */
+		[QIBPORTCNTR_KHDROVFL] = 0xffff,
+	};
+
+	if (reg >= ARRAY_SIZE(xlator)) {
+		qib_devinfo(ppd->dd->pcidev,
+			 "Unimplemented portcounter %u\n", reg);
+		goto done;
+	}
+	creg = xlator[reg] & _PORT_CNTR_IDXMASK;
+
+	/* handle non-counters and special cases first */
+	if (reg == QIBPORTCNTR_KHDROVFL) {
+		int i;
+
+		/* sum over all kernel contexts (skip if mini_init) */
+		for (i = 0; dd->rcd && i < dd->first_user_ctxt; i++) {
+			struct qib_ctxtdata *rcd = dd->rcd[i];
+
+			if (!rcd || rcd->ppd != ppd)
+				continue;
+			ret += read_7322_creg32(dd, cr_base_egrovfl + i);
+		}
+		goto done;
+	} else if (reg == QIBPORTCNTR_RXDROPPKT) {
+		/*
+		 * Used as part of the synthesis of port_rcv_errors
+		 * in the verbs code for IBTA counters.  Not needed for 7322,
+		 * because all the errors are already counted by other cntrs.
+		 */
+		goto done;
+	} else if (reg == QIBPORTCNTR_PSINTERVAL ||
+		   reg == QIBPORTCNTR_PSSTART || reg == QIBPORTCNTR_PSSTAT) {
+		/* were counters in older chips, now per-port kernel regs */
+		ret = qib_read_kreg_port(ppd, creg);
+		goto done;
+	}
+
+	/*
+	 * Only fast increment counters are 64 bits; use 32 bit reads to
+	 * avoid two independent reads when on Opteron.
+	 */
+	if (xlator[reg] & _PORT_64BIT_FLAG)
+		ret = read_7322_creg_port(ppd, creg);
+	else
+		ret = read_7322_creg32_port(ppd, creg);
+	if (creg == crp_ibsymbolerr) {
+		if (ppd->cpspec->ibdeltainprog)
+			ret -= ret - ppd->cpspec->ibsymsnap;
+		ret -= ppd->cpspec->ibsymdelta;
+	} else if (creg == crp_iblinkerrrecov) {
+		if (ppd->cpspec->ibdeltainprog)
+			ret -= ret - ppd->cpspec->iblnkerrsnap;
+		ret -= ppd->cpspec->iblnkerrdelta;
+	} else if (creg == crp_errlink)
+		ret -= ppd->cpspec->ibmalfdelta;
+	else if (creg == crp_iblinkdown)
+		ret += ppd->cpspec->iblnkdowndelta;
+done:
+	return ret;
+}
+
+/*
+ * Device counter names (not port-specific), one line per stat,
+ * single string.  Used by utilities like ipathstats to print the stats
+ * in a way which works for different versions of drivers, without changing
+ * the utility.  Names need to be 12 chars or less (w/o newline), for proper
+ * display by utility.
+ * Non-error counters are first.
+ * Start of "error" conters is indicated by a leading "E " on the first
+ * "error" counter, and doesn't count in label length.
+ * The EgrOvfl list needs to be last so we truncate them at the configured
+ * context count for the device.
+ * cntr7322indices contains the corresponding register indices.
+ */
+static const char cntr7322names[] =
+	"Interrupts\n"
+	"HostBusStall\n"
+	"E RxTIDFull\n"
+	"RxTIDInvalid\n"
+	"RxTIDFloDrop\n" /* 7322 only */
+	"Ctxt0EgrOvfl\n"
+	"Ctxt1EgrOvfl\n"
+	"Ctxt2EgrOvfl\n"
+	"Ctxt3EgrOvfl\n"
+	"Ctxt4EgrOvfl\n"
+	"Ctxt5EgrOvfl\n"
+	"Ctxt6EgrOvfl\n"
+	"Ctxt7EgrOvfl\n"
+	"Ctxt8EgrOvfl\n"
+	"Ctxt9EgrOvfl\n"
+	"Ctx10EgrOvfl\n"
+	"Ctx11EgrOvfl\n"
+	"Ctx12EgrOvfl\n"
+	"Ctx13EgrOvfl\n"
+	"Ctx14EgrOvfl\n"
+	"Ctx15EgrOvfl\n"
+	"Ctx16EgrOvfl\n"
+	"Ctx17EgrOvfl\n"
+	;
+
+static const u32 cntr7322indices[] = {
+	cr_lbint | _PORT_64BIT_FLAG,
+	cr_lbstall | _PORT_64BIT_FLAG,
+	cr_tidfull,
+	cr_tidinvalid,
+	cr_rxtidflowdrop,
+	cr_base_egrovfl + 0,
+	cr_base_egrovfl + 1,
+	cr_base_egrovfl + 2,
+	cr_base_egrovfl + 3,
+	cr_base_egrovfl + 4,
+	cr_base_egrovfl + 5,
+	cr_base_egrovfl + 6,
+	cr_base_egrovfl + 7,
+	cr_base_egrovfl + 8,
+	cr_base_egrovfl + 9,
+	cr_base_egrovfl + 10,
+	cr_base_egrovfl + 11,
+	cr_base_egrovfl + 12,
+	cr_base_egrovfl + 13,
+	cr_base_egrovfl + 14,
+	cr_base_egrovfl + 15,
+	cr_base_egrovfl + 16,
+	cr_base_egrovfl + 17,
+};
+
+/*
+ * same as cntr7322names and cntr7322indices, but for port-specific counters.
+ * portcntr7322indices is somewhat complicated by some registers needing
+ * adjustments of various kinds, and those are ORed with _PORT_VIRT_FLAG
+ */
+static const char portcntr7322names[] =
+	"TxPkt\n"
+	"TxFlowPkt\n"
+	"TxWords\n"
+	"RxPkt\n"
+	"RxFlowPkt\n"
+	"RxWords\n"
+	"TxFlowStall\n"
+	"TxDmaDesc\n"  /* 7220 and 7322-only */
+	"E RxDlidFltr\n"  /* 7220 and 7322-only */
+	"IBStatusChng\n"
+	"IBLinkDown\n"
+	"IBLnkRecov\n"
+	"IBRxLinkErr\n"
+	"IBSymbolErr\n"
+	"RxLLIErr\n"
+	"RxBadFormat\n"
+	"RxBadLen\n"
+	"RxBufOvrfl\n"
+	"RxEBP\n"
+	"RxFlowCtlErr\n"
+	"RxICRCerr\n"
+	"RxLPCRCerr\n"
+	"RxVCRCerr\n"
+	"RxInvalLen\n"
+	"RxInvalPKey\n"
+	"RxPktDropped\n"
+	"TxBadLength\n"
+	"TxDropped\n"
+	"TxInvalLen\n"
+	"TxUnderrun\n"
+	"TxUnsupVL\n"
+	"RxLclPhyErr\n" /* 7220 and 7322-only from here down */
+	"RxVL15Drop\n"
+	"RxVlErr\n"
+	"XcessBufOvfl\n"
+	"RxQPBadCtxt\n" /* 7322-only from here down */
+	"TXBadHeader\n"
+	;
+
+static const u32 portcntr7322indices[] = {
+	QIBPORTCNTR_PKTSEND | _PORT_VIRT_FLAG,
+	crp_pktsendflow,
+	QIBPORTCNTR_WORDSEND | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_PKTRCV | _PORT_VIRT_FLAG,
+	crp_pktrcvflowctrl,
+	QIBPORTCNTR_WORDRCV | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_SENDSTALL | _PORT_VIRT_FLAG,
+	crp_txsdmadesc | _PORT_64BIT_FLAG,
+	crp_rxdlidfltr,
+	crp_ibstatuschange,
+	QIBPORTCNTR_IBLINKDOWN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_IBLINKERRRECOV | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRLINK | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_IBSYMBOLERR | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_LLI | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_BADFORMAT | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERR_RLEN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RCVOVFL | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RCVEBP | _PORT_VIRT_FLAG,
+	crp_rcvflowctrlviol,
+	QIBPORTCNTR_ERRICRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRLPCRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRVCRC | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_INVALIDRLEN | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_ERRPKEY | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RXDROPPKT | _PORT_VIRT_FLAG,
+	crp_txminmaxlenerr,
+	crp_txdroppedpkt,
+	crp_txlenerr,
+	crp_txunderrun,
+	crp_txunsupvl,
+	QIBPORTCNTR_RXLOCALPHYERR | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_VL15PKTDROP | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_RXVLERR | _PORT_VIRT_FLAG,
+	QIBPORTCNTR_EXCESSBUFOVFL | _PORT_VIRT_FLAG,
+	crp_rxqpinvalidctxt,
+	crp_txhdrerr,
+};
+
+/* do all the setup to make the counter reads efficient later */
+static void init_7322_cntrnames(struct qib_devdata *dd)
+{
+	int i, j = 0;
+	char *s;
+
+	for (i = 0, s = (char *)cntr7322names; s && j <= dd->cfgctxts;
+	     i++) {
+		/* we always have at least one counter before the egrovfl */
+		if (!j && !strncmp("Ctxt0EgrOvfl", s + 1, 12))
+			j = 1;
+		s = strchr(s + 1, '\n');
+		if (s && j)
+			j++;
+	}
+	dd->cspec->ncntrs = i;
+	if (!s)
+		/* full list; size is without terminating null */
+		dd->cspec->cntrnamelen = sizeof(cntr7322names) - 1;
+	else
+		dd->cspec->cntrnamelen = 1 + s - cntr7322names;
+	dd->cspec->cntrs = kmalloc(dd->cspec->ncntrs
+		* sizeof(u64), GFP_KERNEL);
+	if (!dd->cspec->cntrs)
+		qib_dev_err(dd, "Failed allocation for counters\n");
+
+	for (i = 0, s = (char *)portcntr7322names; s; i++)
+		s = strchr(s + 1, '\n');
+	dd->cspec->nportcntrs = i - 1;
+	dd->cspec->portcntrnamelen = sizeof(portcntr7322names) - 1;
+	for (i = 0; i < dd->num_pports; ++i) {
+		dd->pport[i].cpspec->portcntrs = kmalloc(dd->cspec->nportcntrs
+			* sizeof(u64), GFP_KERNEL);
+		if (!dd->pport[i].cpspec->portcntrs)
+			qib_dev_err(dd, "Failed allocation for"
+				    " portcounters\n");
+	}
+}
+
+static u32 qib_read_7322cntrs(struct qib_devdata *dd, loff_t pos, char **namep,
+			      u64 **cntrp)
+{
+	u32 ret;
+
+	if (namep) {
+		ret = dd->cspec->cntrnamelen;
+		if (pos >= ret)
+			ret = 0; /* final read after getting everything */
+		else
+			*namep = (char *) cntr7322names;
+	} else {
+		u64 *cntr = dd->cspec->cntrs;
+		int i;
+
+		ret = dd->cspec->ncntrs * sizeof(u64);
+		if (!cntr || pos >= ret) {
+			/* everything read, or couldn't get memory */
+			ret = 0;
+			goto done;
+		}
+		*cntrp = cntr;
+		for (i = 0; i < dd->cspec->ncntrs; i++)
+			if (cntr7322indices[i] & _PORT_64BIT_FLAG)
+				*cntr++ = read_7322_creg(dd,
+							 cntr7322indices[i] &
+							 _PORT_CNTR_IDXMASK);
+			else
+				*cntr++ = read_7322_creg32(dd,
+							   cntr7322indices[i]);
+	}
+done:
+	return ret;
+}
+
+static u32 qib_read_7322portcntrs(struct qib_devdata *dd, loff_t pos, u32 port,
+				  char **namep, u64 **cntrp)
+{
+	u32 ret;
+
+	if (namep) {
+		ret = dd->cspec->portcntrnamelen;
+		if (pos >= ret)
+			ret = 0; /* final read after getting everything */
+		else
+			*namep = (char *)portcntr7322names;
+	} else {
+		struct qib_pportdata *ppd = &dd->pport[port];
+		u64 *cntr = ppd->cpspec->portcntrs;
+		int i;
+
+		ret = dd->cspec->nportcntrs * sizeof(u64);
+		if (!cntr || pos >= ret) {
+			/* everything read, or couldn't get memory */
+			ret = 0;
+			goto done;
+		}
+		*cntrp = cntr;
+		for (i = 0; i < dd->cspec->nportcntrs; i++) {
+			if (portcntr7322indices[i] & _PORT_VIRT_FLAG)
+				*cntr++ = qib_portcntr_7322(ppd,
+					portcntr7322indices[i] &
+					_PORT_CNTR_IDXMASK);
+			else if (portcntr7322indices[i] & _PORT_64BIT_FLAG)
+				*cntr++ = read_7322_creg_port(ppd,
+					   portcntr7322indices[i] &
+					    _PORT_CNTR_IDXMASK);
+			else
+				*cntr++ = read_7322_creg32_port(ppd,
+					   portcntr7322indices[i]);
+		}
+	}
+done:
+	return ret;
+}
+
+/**
+ * qib_get_7322_faststats - get word counters from chip before they overflow
+ * @opaque - contains a pointer to the qlogic_ib device qib_devdata
+ *
+ * VESTIGIAL IBA7322 has no "small fast counters", so the only
+ * real purpose of this function is to maintain the notion of
+ * "active time", which in turn is only logged into the eeprom,
+ * which we don;t have, yet, for 7322-based boards.
+ *
+ * called from add_timer
+ */
+static void qib_get_7322_faststats(unsigned long opaque)
+{
+	struct qib_devdata *dd = (struct qib_devdata *) opaque;
+	struct qib_pportdata *ppd;
+	unsigned long flags;
+	u64 traffic_wds;
+	int pidx;
+
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		ppd = dd->pport + pidx;
+
+		/*
+		 * If port isn't enabled or not operational ports, or
+		 * diags is running (can cause memory diags to fail)
+		 * skip this port this time.
+		 */
+		if (!ppd->link_speed_supported || !(dd->flags & QIB_INITTED)
+		    || dd->diag_client)
+			continue;
+
+		/*
+		 * Maintain an activity timer, based on traffic
+		 * exceeding a threshold, so we need to check the word-counts
+		 * even if they are 64-bit.
+		 */
+		traffic_wds = qib_portcntr_7322(ppd, QIBPORTCNTR_WORDRCV) +
+			qib_portcntr_7322(ppd, QIBPORTCNTR_WORDSEND);
+		spin_lock_irqsave(&ppd->dd->eep_st_lock, flags);
+		traffic_wds -= ppd->dd->traffic_wds;
+		ppd->dd->traffic_wds += traffic_wds;
+		if (traffic_wds >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
+			atomic_add(ACTIVITY_TIMER, &ppd->dd->active_time);
+		spin_unlock_irqrestore(&ppd->dd->eep_st_lock, flags);
+		if (ppd->cpspec->qdr_dfe_on && (ppd->link_speed_active &
+						QIB_IB_QDR) &&
+		    (ppd->lflags & (QIBL_LINKINIT | QIBL_LINKARMED |
+				    QIBL_LINKACTIVE)) &&
+		    ppd->cpspec->qdr_dfe_time &&
+		    time_after64(get_jiffies_64(), ppd->cpspec->qdr_dfe_time)) {
+			ppd->cpspec->qdr_dfe_on = 0;
+
+			qib_write_kreg_port(ppd, krp_static_adapt_dis(2),
+					    ppd->dd->cspec->r1 ?
+					    QDR_STATIC_ADAPT_INIT_R1 :
+					    QDR_STATIC_ADAPT_INIT);
+			force_h1(ppd);
+		}
+	}
+	mod_timer(&dd->stats_timer, jiffies + HZ * ACTIVITY_TIMER);
+}
+
+/*
+ * If we were using MSIx, try to fallback to INTx.
+ */
+static int qib_7322_intr_fallback(struct qib_devdata *dd)
+{
+	if (!dd->cspec->num_msix_entries)
+		return 0; /* already using INTx */
+
+	qib_devinfo(dd->pcidev, "MSIx interrupt not detected,"
+		 " trying INTx interrupts\n");
+	qib_7322_nomsix(dd);
+	qib_enable_intx(dd->pcidev);
+	qib_setup_7322_interrupt(dd, 0);
+	return 1;
+}
+
+/*
+ * Reset the XGXS (between serdes and IBC).  Slightly less intrusive
+ * than resetting the IBC or external link state, and useful in some
+ * cases to cause some retraining.  To do this right, we reset IBC
+ * as well, then return to previous state (which may be still in reset)
+ * NOTE: some callers of this "know" this writes the current value
+ * of cpspec->ibcctrl_a as part of it's operation, so if that changes,
+ * check all callers.
+ */
+static void qib_7322_mini_pcs_reset(struct qib_pportdata *ppd)
+{
+	u64 val;
+	struct qib_devdata *dd = ppd->dd;
+	const u64 reset_bits = SYM_MASK(IBPCSConfig_0, xcv_rreset) |
+		SYM_MASK(IBPCSConfig_0, xcv_treset) |
+		SYM_MASK(IBPCSConfig_0, tx_rx_reset);
+
+	val = qib_read_kreg_port(ppd, krp_ib_pcsconfig);
+	qib_write_kreg_port(ppd, krp_ibcctrl_a,
+			    ppd->cpspec->ibcctrl_a &
+			    ~SYM_MASK(IBCCtrlA_0, IBLinkEn));
+
+	qib_write_kreg_port(ppd, krp_ib_pcsconfig, val | reset_bits);
+	qib_read_kreg32(dd, kr_scratch);
+	qib_write_kreg_port(ppd, krp_ib_pcsconfig, val & ~reset_bits);
+	qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+}
+
+/*
+ * This code for non-IBTA-compliant IB speed negotiation is only known to
+ * work for the SDR to DDR transition, and only between an HCA and a switch
+ * with recent firmware.  It is based on observed heuristics, rather than
+ * actual knowledge of the non-compliant speed negotiation.
+ * It has a number of hard-coded fields, since the hope is to rewrite this
+ * when a spec is available on how the negoation is intended to work.
+ */
+static void autoneg_7322_sendpkt(struct qib_pportdata *ppd, u32 *hdr,
+				 u32 dcnt, u32 *data)
+{
+	int i;
+	u64 pbc;
+	u32 __iomem *piobuf;
+	u32 pnum, control, len;
+	struct qib_devdata *dd = ppd->dd;
+
+	i = 0;
+	len = 7 + dcnt + 1; /* 7 dword header, dword data, icrc */
+	control = qib_7322_setpbc_control(ppd, len, 0, 15);
+	pbc = ((u64) control << 32) | len;
+	while (!(piobuf = qib_7322_getsendbuf(ppd, pbc, &pnum))) {
+		if (i++ > 15)
+			return;
+		udelay(2);
+	}
+	/* disable header check on this packet, since it can't be valid */
+	dd->f_txchk_change(dd, pnum, 1, TXCHK_CHG_TYPE_DIS1, NULL);
+	writeq(pbc, piobuf);
+	qib_flush_wc();
+	qib_pio_copy(piobuf + 2, hdr, 7);
+	qib_pio_copy(piobuf + 9, data, dcnt);
+	if (dd->flags & QIB_USE_SPCL_TRIG) {
+		u32 spcl_off = (pnum >= dd->piobcnt2k) ? 2047 : 1023;
+
+		qib_flush_wc();
+		__raw_writel(0xaebecede, piobuf + spcl_off);
+	}
+	qib_flush_wc();
+	qib_sendbuf_done(dd, pnum);
+	/* and re-enable hdr check */
+	dd->f_txchk_change(dd, pnum, 1, TXCHK_CHG_TYPE_ENAB1, NULL);
+}
+
+/*
+ * _start packet gets sent twice at start, _done gets sent twice at end
+ */
+static void qib_autoneg_7322_send(struct qib_pportdata *ppd, int which)
+{
+	struct qib_devdata *dd = ppd->dd;
+	static u32 swapped;
+	u32 dw, i, hcnt, dcnt, *data;
+	static u32 hdr[7] = { 0xf002ffff, 0x48ffff, 0x6400abba };
+	static u32 madpayload_start[0x40] = {
+		0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
+		0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+		0x1, 0x1388, 0x15e, 0x1, /* rest 0's */
+		};
+	static u32 madpayload_done[0x40] = {
+		0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
+		0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+		0x40000001, 0x1388, 0x15e, /* rest 0's */
+		};
+
+	dcnt = ARRAY_SIZE(madpayload_start);
+	hcnt = ARRAY_SIZE(hdr);
+	if (!swapped) {
+		/* for maintainability, do it at runtime */
+		for (i = 0; i < hcnt; i++) {
+			dw = (__force u32) cpu_to_be32(hdr[i]);
+			hdr[i] = dw;
+		}
+		for (i = 0; i < dcnt; i++) {
+			dw = (__force u32) cpu_to_be32(madpayload_start[i]);
+			madpayload_start[i] = dw;
+			dw = (__force u32) cpu_to_be32(madpayload_done[i]);
+			madpayload_done[i] = dw;
+		}
+		swapped = 1;
+	}
+
+	data = which ? madpayload_done : madpayload_start;
+
+	autoneg_7322_sendpkt(ppd, hdr, dcnt, data);
+	qib_read_kreg64(dd, kr_scratch);
+	udelay(2);
+	autoneg_7322_sendpkt(ppd, hdr, dcnt, data);
+	qib_read_kreg64(dd, kr_scratch);
+	udelay(2);
+}
+
+/*
+ * Do the absolute minimum to cause an IB speed change, and make it
+ * ready, but don't actually trigger the change.   The caller will
+ * do that when ready (if link is in Polling training state, it will
+ * happen immediately, otherwise when link next goes down)
+ *
+ * This routine should only be used as part of the DDR autonegotation
+ * code for devices that are not compliant with IB 1.2 (or code that
+ * fixes things up for same).
+ *
+ * When link has gone down, and autoneg enabled, or autoneg has
+ * failed and we give up until next time we set both speeds, and
+ * then we want IBTA enabled as well as "use max enabled speed.
+ */
+static void set_7322_ibspeed_fast(struct qib_pportdata *ppd, u32 speed)
+{
+	u64 newctrlb;
+	newctrlb = ppd->cpspec->ibcctrl_b & ~(IBA7322_IBC_SPEED_MASK |
+				    IBA7322_IBC_IBTA_1_2_MASK |
+				    IBA7322_IBC_MAX_SPEED_MASK);
+
+	if (speed & (speed - 1)) /* multiple speeds */
+		newctrlb |= (speed << IBA7322_IBC_SPEED_LSB) |
+				    IBA7322_IBC_IBTA_1_2_MASK |
+				    IBA7322_IBC_MAX_SPEED_MASK;
+	else
+		newctrlb |= speed == QIB_IB_QDR ?
+			IBA7322_IBC_SPEED_QDR | IBA7322_IBC_IBTA_1_2_MASK :
+			((speed == QIB_IB_DDR ?
+			  IBA7322_IBC_SPEED_DDR : IBA7322_IBC_SPEED_SDR));
+
+	if (newctrlb == ppd->cpspec->ibcctrl_b)
+		return;
+
+	ppd->cpspec->ibcctrl_b = newctrlb;
+	qib_write_kreg_port(ppd, krp_ibcctrl_b, ppd->cpspec->ibcctrl_b);
+	qib_write_kreg(ppd->dd, kr_scratch, 0);
+}
+
+/*
+ * This routine is only used when we are not talking to another
+ * IB 1.2-compliant device that we think can do DDR.
+ * (This includes all existing switch chips as of Oct 2007.)
+ * 1.2-compliant devices go directly to DDR prior to reaching INIT
+ */
+static void try_7322_autoneg(struct qib_pportdata *ppd)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	ppd->lflags |= QIBL_IB_AUTONEG_INPROG;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	qib_autoneg_7322_send(ppd, 0);
+	set_7322_ibspeed_fast(ppd, QIB_IB_DDR);
+	qib_7322_mini_pcs_reset(ppd);
+	/* 2 msec is minimum length of a poll cycle */
+	schedule_delayed_work(&ppd->cpspec->autoneg_work,
+			      msecs_to_jiffies(2));
+}
+
+/*
+ * Handle the empirically determined mechanism for auto-negotiation
+ * of DDR speed with switches.
+ */
+static void autoneg_7322_work(struct work_struct *work)
+{
+	struct qib_pportdata *ppd;
+	struct qib_devdata *dd;
+	u64 startms;
+	u32 i;
+	unsigned long flags;
+
+	ppd = container_of(work, struct qib_chippport_specific,
+			    autoneg_work.work)->ppd;
+	dd = ppd->dd;
+
+	startms = jiffies_to_msecs(jiffies);
+
+	/*
+	 * Busy wait for this first part, it should be at most a
+	 * few hundred usec, since we scheduled ourselves for 2msec.
+	 */
+	for (i = 0; i < 25; i++) {
+		if (SYM_FIELD(ppd->lastibcstat, IBCStatusA_0, LinkState)
+		     == IB_7322_LT_STATE_POLLQUIET) {
+			qib_set_linkstate(ppd, QIB_IB_LINKDOWN_DISABLE);
+			break;
+		}
+		udelay(100);
+	}
+
+	if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG))
+		goto done; /* we got there early or told to stop */
+
+	/* we expect this to timeout */
+	if (wait_event_timeout(ppd->cpspec->autoneg_wait,
+			       !(ppd->lflags & QIBL_IB_AUTONEG_INPROG),
+			       msecs_to_jiffies(90)))
+		goto done;
+	qib_7322_mini_pcs_reset(ppd);
+
+	/* we expect this to timeout */
+	if (wait_event_timeout(ppd->cpspec->autoneg_wait,
+			       !(ppd->lflags & QIBL_IB_AUTONEG_INPROG),
+			       msecs_to_jiffies(1700)))
+		goto done;
+	qib_7322_mini_pcs_reset(ppd);
+
+	set_7322_ibspeed_fast(ppd, QIB_IB_SDR);
+
+	/*
+	 * Wait up to 250 msec for link to train and get to INIT at DDR;
+	 * this should terminate early.
+	 */
+	wait_event_timeout(ppd->cpspec->autoneg_wait,
+		!(ppd->lflags & QIBL_IB_AUTONEG_INPROG),
+		msecs_to_jiffies(250));
+done:
+	if (ppd->lflags & QIBL_IB_AUTONEG_INPROG) {
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~QIBL_IB_AUTONEG_INPROG;
+		if (ppd->cpspec->autoneg_tries == AUTONEG_TRIES) {
+			ppd->lflags |= QIBL_IB_AUTONEG_FAILED;
+			ppd->cpspec->autoneg_tries = 0;
+		}
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		set_7322_ibspeed_fast(ppd, ppd->link_speed_enabled);
+	}
+}
+
+/*
+ * This routine is used to request IPG set in the QLogic switch.
+ * Only called if r1.
+ */
+static void try_7322_ipg(struct qib_pportdata *ppd)
+{
+	struct qib_ibport *ibp = &ppd->ibport_data;
+	struct ib_mad_send_buf *send_buf;
+	struct ib_mad_agent *agent;
+	struct ib_smp *smp;
+	unsigned delay;
+	int ret;
+
+	agent = ibp->send_agent;
+	if (!agent)
+		goto retry;
+
+	send_buf = ib_create_send_mad(agent, 0, 0, 0, IB_MGMT_MAD_HDR,
+				      IB_MGMT_MAD_DATA, GFP_ATOMIC);
+	if (IS_ERR(send_buf))
+		goto retry;
+
+	if (!ibp->smi_ah) {
+		struct ib_ah_attr attr;
+		struct ib_ah *ah;
+
+		memset(&attr, 0, sizeof attr);
+		attr.dlid = be16_to_cpu(IB_LID_PERMISSIVE);
+		attr.port_num = ppd->port;
+		ah = ib_create_ah(ibp->qp0->ibqp.pd, &attr);
+		if (IS_ERR(ah))
+			ret = -EINVAL;
+		else {
+			send_buf->ah = ah;
+			ibp->smi_ah = to_iah(ah);
+			ret = 0;
+		}
+	} else {
+		send_buf->ah = &ibp->smi_ah->ibah;
+		ret = 0;
+	}
+
+	smp = send_buf->mad;
+	smp->base_version = IB_MGMT_BASE_VERSION;
+	smp->mgmt_class = IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE;
+	smp->class_version = 1;
+	smp->method = IB_MGMT_METHOD_SEND;
+	smp->hop_cnt = 1;
+	smp->attr_id = QIB_VENDOR_IPG;
+	smp->attr_mod = 0;
+
+	if (!ret)
+		ret = ib_post_send_mad(send_buf, NULL);
+	if (ret)
+		ib_free_send_mad(send_buf);
+retry:
+	delay = 2 << ppd->cpspec->ipg_tries;
+	schedule_delayed_work(&ppd->cpspec->ipg_work, msecs_to_jiffies(delay));
+}
+
+/*
+ * Timeout handler for setting IPG.
+ * Only called if r1.
+ */
+static void ipg_7322_work(struct work_struct *work)
+{
+	struct qib_pportdata *ppd;
+
+	ppd = container_of(work, struct qib_chippport_specific,
+			   ipg_work.work)->ppd;
+	if ((ppd->lflags & (QIBL_LINKINIT | QIBL_LINKARMED | QIBL_LINKACTIVE))
+	    && ++ppd->cpspec->ipg_tries <= 10)
+		try_7322_ipg(ppd);
+}
+
+static u32 qib_7322_iblink_state(u64 ibcs)
+{
+	u32 state = (u32)SYM_FIELD(ibcs, IBCStatusA_0, LinkState);
+
+	switch (state) {
+	case IB_7322_L_STATE_INIT:
+		state = IB_PORT_INIT;
+		break;
+	case IB_7322_L_STATE_ARM:
+		state = IB_PORT_ARMED;
+		break;
+	case IB_7322_L_STATE_ACTIVE:
+		/* fall through */
+	case IB_7322_L_STATE_ACT_DEFER:
+		state = IB_PORT_ACTIVE;
+		break;
+	default: /* fall through */
+	case IB_7322_L_STATE_DOWN:
+		state = IB_PORT_DOWN;
+		break;
+	}
+	return state;
+}
+
+/* returns the IBTA port state, rather than the IBC link training state */
+static u8 qib_7322_phys_portstate(u64 ibcs)
+{
+	u8 state = (u8)SYM_FIELD(ibcs, IBCStatusA_0, LinkTrainingState);
+	return qib_7322_physportstate[state];
+}
+
+static int qib_7322_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
+{
+	int ret = 0, symadj = 0;
+	unsigned long flags;
+	int mult;
+
+	spin_lock_irqsave(&ppd->lflags_lock, flags);
+	ppd->lflags &= ~QIBL_IB_FORCE_NOTIFY;
+	spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+
+	/* Update our picture of width and speed from chip */
+	if (ibcs & SYM_MASK(IBCStatusA_0, LinkSpeedQDR)) {
+		ppd->link_speed_active = QIB_IB_QDR;
+		mult = 4;
+	} else if (ibcs & SYM_MASK(IBCStatusA_0, LinkSpeedActive)) {
+		ppd->link_speed_active = QIB_IB_DDR;
+		mult = 2;
+	} else {
+		ppd->link_speed_active = QIB_IB_SDR;
+		mult = 1;
+	}
+	if (ibcs & SYM_MASK(IBCStatusA_0, LinkWidthActive)) {
+		ppd->link_width_active = IB_WIDTH_4X;
+		mult *= 4;
+	} else
+		ppd->link_width_active = IB_WIDTH_1X;
+	ppd->delay_mult = ib_rate_to_delay[mult_to_ib_rate(mult)];
+
+	if (!ibup) {
+		u64 clr;
+
+		/* Link went down. */
+		/* do IPG MAD again after linkdown, even if last time failed */
+		ppd->cpspec->ipg_tries = 0;
+		clr = qib_read_kreg_port(ppd, krp_ibcstatus_b) &
+			(SYM_MASK(IBCStatusB_0, heartbeat_timed_out) |
+			 SYM_MASK(IBCStatusB_0, heartbeat_crosstalk));
+		if (clr)
+			qib_write_kreg_port(ppd, krp_ibcstatus_b, clr);
+		if (!(ppd->lflags & (QIBL_IB_AUTONEG_FAILED |
+				     QIBL_IB_AUTONEG_INPROG)))
+			set_7322_ibspeed_fast(ppd, ppd->link_speed_enabled);
+		if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG)) {
+			qib_cancel_sends(ppd);
+			spin_lock_irqsave(&ppd->sdma_lock, flags);
+			if (__qib_sdma_running(ppd))
+				__qib_sdma_process_event(ppd,
+					qib_sdma_event_e70_go_idle);
+			spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+		}
+		clr = read_7322_creg32_port(ppd, crp_iblinkdown);
+		if (clr == ppd->cpspec->iblnkdownsnap)
+			ppd->cpspec->iblnkdowndelta++;
+	} else {
+		if (qib_compat_ddr_negotiate &&
+		    !(ppd->lflags & (QIBL_IB_AUTONEG_FAILED |
+				     QIBL_IB_AUTONEG_INPROG)) &&
+		    ppd->link_speed_active == QIB_IB_SDR &&
+		    (ppd->link_speed_enabled & QIB_IB_DDR)
+		    && ppd->cpspec->autoneg_tries < AUTONEG_TRIES) {
+			/* we are SDR, and auto-negotiation enabled */
+			++ppd->cpspec->autoneg_tries;
+			if (!ppd->cpspec->ibdeltainprog) {
+				ppd->cpspec->ibdeltainprog = 1;
+				ppd->cpspec->ibsymdelta +=
+					read_7322_creg32_port(ppd,
+						crp_ibsymbolerr) -
+						ppd->cpspec->ibsymsnap;
+				ppd->cpspec->iblnkerrdelta +=
+					read_7322_creg32_port(ppd,
+						crp_iblinkerrrecov) -
+						ppd->cpspec->iblnkerrsnap;
+			}
+			try_7322_autoneg(ppd);
+			ret = 1; /* no other IB status change processing */
+		} else if ((ppd->lflags & QIBL_IB_AUTONEG_INPROG) &&
+			   ppd->link_speed_active == QIB_IB_SDR) {
+			qib_autoneg_7322_send(ppd, 1);
+			set_7322_ibspeed_fast(ppd, QIB_IB_DDR);
+			qib_7322_mini_pcs_reset(ppd);
+			udelay(2);
+			ret = 1; /* no other IB status change processing */
+		} else if ((ppd->lflags & QIBL_IB_AUTONEG_INPROG) &&
+			   (ppd->link_speed_active & QIB_IB_DDR)) {
+			spin_lock_irqsave(&ppd->lflags_lock, flags);
+			ppd->lflags &= ~(QIBL_IB_AUTONEG_INPROG |
+					 QIBL_IB_AUTONEG_FAILED);
+			spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+			ppd->cpspec->autoneg_tries = 0;
+			/* re-enable SDR, for next link down */
+			set_7322_ibspeed_fast(ppd, ppd->link_speed_enabled);
+			wake_up(&ppd->cpspec->autoneg_wait);
+			symadj = 1;
+		} else if (ppd->lflags & QIBL_IB_AUTONEG_FAILED) {
+			/*
+			 * Clear autoneg failure flag, and do setup
+			 * so we'll try next time link goes down and
+			 * back to INIT (possibly connected to a
+			 * different device).
+			 */
+			spin_lock_irqsave(&ppd->lflags_lock, flags);
+			ppd->lflags &= ~QIBL_IB_AUTONEG_FAILED;
+			spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+			ppd->cpspec->ibcctrl_b |= IBA7322_IBC_IBTA_1_2_MASK;
+			symadj = 1;
+		}
+		if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG)) {
+			symadj = 1;
+			if (ppd->dd->cspec->r1 && ppd->cpspec->ipg_tries <= 10)
+				try_7322_ipg(ppd);
+			if (!ppd->cpspec->recovery_init)
+				setup_7322_link_recovery(ppd, 0);
+			ppd->cpspec->qdr_dfe_time = jiffies +
+				msecs_to_jiffies(QDR_DFE_DISABLE_DELAY);
+		}
+		ppd->cpspec->ibmalfusesnap = 0;
+		ppd->cpspec->ibmalfsnap = read_7322_creg32_port(ppd,
+			crp_errlink);
+	}
+	if (symadj) {
+		ppd->cpspec->iblnkdownsnap =
+			read_7322_creg32_port(ppd, crp_iblinkdown);
+		if (ppd->cpspec->ibdeltainprog) {
+			ppd->cpspec->ibdeltainprog = 0;
+			ppd->cpspec->ibsymdelta += read_7322_creg32_port(ppd,
+				crp_ibsymbolerr) - ppd->cpspec->ibsymsnap;
+			ppd->cpspec->iblnkerrdelta += read_7322_creg32_port(ppd,
+				crp_iblinkerrrecov) - ppd->cpspec->iblnkerrsnap;
+		}
+	} else if (!ibup && qib_compat_ddr_negotiate &&
+		   !ppd->cpspec->ibdeltainprog &&
+			!(ppd->lflags & QIBL_IB_AUTONEG_INPROG)) {
+		ppd->cpspec->ibdeltainprog = 1;
+		ppd->cpspec->ibsymsnap = read_7322_creg32_port(ppd,
+			crp_ibsymbolerr);
+		ppd->cpspec->iblnkerrsnap = read_7322_creg32_port(ppd,
+			crp_iblinkerrrecov);
+	}
+
+	if (!ret)
+		qib_setup_7322_setextled(ppd, ibup);
+	return ret;
+}
+
+/*
+ * Does read/modify/write to appropriate registers to
+ * set output and direction bits selected by mask.
+ * these are in their canonical postions (e.g. lsb of
+ * dir will end up in D48 of extctrl on existing chips).
+ * returns contents of GP Inputs.
+ */
+static int gpio_7322_mod(struct qib_devdata *dd, u32 out, u32 dir, u32 mask)
+{
+	u64 read_val, new_out;
+	unsigned long flags;
+
+	if (mask) {
+		/* some bits being written, lock access to GPIO */
+		dir &= mask;
+		out &= mask;
+		spin_lock_irqsave(&dd->cspec->gpio_lock, flags);
+		dd->cspec->extctrl &= ~((u64)mask << SYM_LSB(EXTCtrl, GPIOOe));
+		dd->cspec->extctrl |= ((u64) dir << SYM_LSB(EXTCtrl, GPIOOe));
+		new_out = (dd->cspec->gpio_out & ~mask) | out;
+
+		qib_write_kreg(dd, kr_extctrl, dd->cspec->extctrl);
+		qib_write_kreg(dd, kr_gpio_out, new_out);
+		dd->cspec->gpio_out = new_out;
+		spin_unlock_irqrestore(&dd->cspec->gpio_lock, flags);
+	}
+	/*
+	 * It is unlikely that a read at this time would get valid
+	 * data on a pin whose direction line was set in the same
+	 * call to this function. We include the read here because
+	 * that allows us to potentially combine a change on one pin with
+	 * a read on another, and because the old code did something like
+	 * this.
+	 */
+	read_val = qib_read_kreg64(dd, kr_extstatus);
+	return SYM_FIELD(read_val, EXTStatus, GPIOIn);
+}
+
+/* Enable writes to config EEPROM, if possible. Returns previous state */
+static int qib_7322_eeprom_wen(struct qib_devdata *dd, int wen)
+{
+	int prev_wen;
+	u32 mask;
+
+	mask = 1 << QIB_EEPROM_WEN_NUM;
+	prev_wen = ~gpio_7322_mod(dd, 0, 0, 0) >> QIB_EEPROM_WEN_NUM;
+	gpio_7322_mod(dd, wen ? 0 : mask, mask, mask);
+
+	return prev_wen & 1;
+}
+
+/*
+ * Read fundamental info we need to use the chip.  These are
+ * the registers that describe chip capabilities, and are
+ * saved in shadow registers.
+ */
+static void get_7322_chip_params(struct qib_devdata *dd)
+{
+	u64 val;
+	u32 piobufs;
+	int mtu;
+
+	dd->palign = qib_read_kreg32(dd, kr_pagealign);
+
+	dd->uregbase = qib_read_kreg32(dd, kr_userregbase);
+
+	dd->rcvtidcnt = qib_read_kreg32(dd, kr_rcvtidcnt);
+	dd->rcvtidbase = qib_read_kreg32(dd, kr_rcvtidbase);
+	dd->rcvegrbase = qib_read_kreg32(dd, kr_rcvegrbase);
+	dd->piobufbase = qib_read_kreg64(dd, kr_sendpiobufbase);
+	dd->pio2k_bufbase = dd->piobufbase & 0xffffffff;
+
+	val = qib_read_kreg64(dd, kr_sendpiobufcnt);
+	dd->piobcnt2k = val & ~0U;
+	dd->piobcnt4k = val >> 32;
+	val = qib_read_kreg64(dd, kr_sendpiosize);
+	dd->piosize2k = val & ~0U;
+	dd->piosize4k = val >> 32;
+
+	mtu = ib_mtu_enum_to_int(qib_ibmtu);
+	if (mtu == -1)
+		mtu = QIB_DEFAULT_MTU;
+	dd->pport[0].ibmtu = (u32)mtu;
+	dd->pport[1].ibmtu = (u32)mtu;
+
+	/* these may be adjusted in init_chip_wc_pat() */
+	dd->pio2kbase = (u32 __iomem *)
+		((char __iomem *) dd->kregbase + dd->pio2k_bufbase);
+	dd->pio4kbase = (u32 __iomem *)
+		((char __iomem *) dd->kregbase +
+		 (dd->piobufbase >> 32));
+	/*
+	 * 4K buffers take 2 pages; we use roundup just to be
+	 * paranoid; we calculate it once here, rather than on
+	 * ever buf allocate
+	 */
+	dd->align4k = ALIGN(dd->piosize4k, dd->palign);
+
+	piobufs = dd->piobcnt4k + dd->piobcnt2k + NUM_VL15_BUFS;
+
+	dd->pioavregs = ALIGN(piobufs, sizeof(u64) * BITS_PER_BYTE / 2) /
+		(sizeof(u64) * BITS_PER_BYTE / 2);
+}
+
+/*
+ * The chip base addresses in cspec and cpspec have to be set
+ * after possible init_chip_wc_pat(), rather than in
+ * get_7322_chip_params(), so split out as separate function
+ */
+static void qib_7322_set_baseaddrs(struct qib_devdata *dd)
+{
+	u32 cregbase;
+	cregbase = qib_read_kreg32(dd, kr_counterregbase);
+
+	dd->cspec->cregbase = (u64 __iomem *)(cregbase +
+		(char __iomem *)dd->kregbase);
+
+	dd->egrtidbase = (u64 __iomem *)
+		((char __iomem *) dd->kregbase + dd->rcvegrbase);
+
+	/* port registers are defined as relative to base of chip */
+	dd->pport[0].cpspec->kpregbase =
+		(u64 __iomem *)((char __iomem *)dd->kregbase);
+	dd->pport[1].cpspec->kpregbase =
+		(u64 __iomem *)(dd->palign +
+		(char __iomem *)dd->kregbase);
+	dd->pport[0].cpspec->cpregbase =
+		(u64 __iomem *)(qib_read_kreg_port(&dd->pport[0],
+		kr_counterregbase) + (char __iomem *)dd->kregbase);
+	dd->pport[1].cpspec->cpregbase =
+		(u64 __iomem *)(qib_read_kreg_port(&dd->pport[1],
+		kr_counterregbase) + (char __iomem *)dd->kregbase);
+}
+
+/*
+ * This is a fairly special-purpose observer, so we only support
+ * the port-specific parts of SendCtrl
+ */
+
+#define SENDCTRL_SHADOWED (SYM_MASK(SendCtrl_0, SendEnable) |		\
+			   SYM_MASK(SendCtrl_0, SDmaEnable) |		\
+			   SYM_MASK(SendCtrl_0, SDmaIntEnable) |	\
+			   SYM_MASK(SendCtrl_0, SDmaSingleDescriptor) | \
+			   SYM_MASK(SendCtrl_0, SDmaHalt) |		\
+			   SYM_MASK(SendCtrl_0, IBVLArbiterEn) |	\
+			   SYM_MASK(SendCtrl_0, ForceCreditUpToDate))
+
+static int sendctrl_hook(struct qib_devdata *dd,
+			 const struct diag_observer *op, u32 offs,
+			 u64 *data, u64 mask, int only_32)
+{
+	unsigned long flags;
+	unsigned idx;
+	unsigned pidx;
+	struct qib_pportdata *ppd = NULL;
+	u64 local_data, all_bits;
+
+	/*
+	 * The fixed correspondence between Physical ports and pports is
+	 * severed. We need to hunt for the ppd that corresponds
+	 * to the offset we got. And we have to do that without admitting
+	 * we know the stride, apparently.
+	 */
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		u64 __iomem *psptr;
+		u32 psoffs;
+
+		ppd = dd->pport + pidx;
+		if (!ppd->cpspec->kpregbase)
+			continue;
+
+		psptr = ppd->cpspec->kpregbase + krp_sendctrl;
+		psoffs = (u32) (psptr - dd->kregbase) * sizeof(*psptr);
+		if (psoffs == offs)
+			break;
+	}
+
+	/* If pport is not being managed by driver, just avoid shadows. */
+	if (pidx >= dd->num_pports)
+		ppd = NULL;
+
+	/* In any case, "idx" is flat index in kreg space */
+	idx = offs / sizeof(u64);
+
+	all_bits = ~0ULL;
+	if (only_32)
+		all_bits >>= 32;
+
+	spin_lock_irqsave(&dd->sendctrl_lock, flags);
+	if (!ppd || (mask & all_bits) != all_bits) {
+		/*
+		 * At least some mask bits are zero, so we need
+		 * to read. The judgement call is whether from
+		 * reg or shadow. First-cut: read reg, and complain
+		 * if any bits which should be shadowed are different
+		 * from their shadowed value.
+		 */
+		if (only_32)
+			local_data = (u64)qib_read_kreg32(dd, idx);
+		else
+			local_data = qib_read_kreg64(dd, idx);
+		*data = (local_data & ~mask) | (*data & mask);
+	}
+	if (mask) {
+		/*
+		 * At least some mask bits are one, so we need
+		 * to write, but only shadow some bits.
+		 */
+		u64 sval, tval; /* Shadowed, transient */
+
+		/*
+		 * New shadow val is bits we don't want to touch,
+		 * ORed with bits we do, that are intended for shadow.
+		 */
+		if (ppd) {
+			sval = ppd->p_sendctrl & ~mask;
+			sval |= *data & SENDCTRL_SHADOWED & mask;
+			ppd->p_sendctrl = sval;
+		} else
+			sval = *data & SENDCTRL_SHADOWED & mask;
+		tval = sval | (*data & ~SENDCTRL_SHADOWED & mask);
+		qib_write_kreg(dd, idx, tval);
+		qib_write_kreg(dd, kr_scratch, 0Ull);
+	}
+	spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+	return only_32 ? 4 : 8;
+}
+
+static const struct diag_observer sendctrl_0_observer = {
+	sendctrl_hook, KREG_IDX(SendCtrl_0) * sizeof(u64),
+	KREG_IDX(SendCtrl_0) * sizeof(u64)
+};
+
+static const struct diag_observer sendctrl_1_observer = {
+	sendctrl_hook, KREG_IDX(SendCtrl_1) * sizeof(u64),
+	KREG_IDX(SendCtrl_1) * sizeof(u64)
+};
+
+static ushort sdma_fetch_prio = 8;
+module_param_named(sdma_fetch_prio, sdma_fetch_prio, ushort, S_IRUGO);
+MODULE_PARM_DESC(sdma_fetch_prio, "SDMA descriptor fetch priority");
+
+/* Besides logging QSFP events, we set appropriate TxDDS values */
+static void init_txdds_table(struct qib_pportdata *ppd, int override);
+
+static void qsfp_7322_event(struct work_struct *work)
+{
+	struct qib_qsfp_data *qd;
+	struct qib_pportdata *ppd;
+	u64 pwrup;
+	int ret;
+	u32 le2;
+
+	qd = container_of(work, struct qib_qsfp_data, work);
+	ppd = qd->ppd;
+	pwrup = qd->t_insert + msecs_to_jiffies(QSFP_PWR_LAG_MSEC);
+
+	/*
+	 * Some QSFP's not only do not respond until the full power-up
+	 * time, but may behave badly if we try. So hold off responding
+	 * to insertion.
+	 */
+	while (1) {
+		u64 now = get_jiffies_64();
+		if (time_after64(now, pwrup))
+			break;
+		msleep(1);
+	}
+	ret = qib_refresh_qsfp_cache(ppd, &qd->cache);
+	/*
+	 * Need to change LE2 back to defaults if we couldn't
+	 * read the cable type (to handle cable swaps), so do this
+	 * even on failure to read cable information.  We don't
+	 * get here for QME, so IS_QME check not needed here.
+	 */
+	le2 = (!ret && qd->cache.atten[1] >= qib_long_atten &&
+	       !ppd->dd->cspec->r1 && QSFP_IS_CU(qd->cache.tech)) ?
+		LE2_5m : LE2_DEFAULT;
+	ibsd_wr_allchans(ppd, 13, (le2 << 7), BMASK(9, 7));
+	init_txdds_table(ppd, 0);
+}
+
+/*
+ * There is little we can do but complain to the user if QSFP
+ * initialization fails.
+ */
+static void qib_init_7322_qsfp(struct qib_pportdata *ppd)
+{
+	unsigned long flags;
+	struct qib_qsfp_data *qd = &ppd->cpspec->qsfp_data;
+	struct qib_devdata *dd = ppd->dd;
+	u64 mod_prs_bit = QSFP_GPIO_MOD_PRS_N;
+
+	mod_prs_bit <<= (QSFP_GPIO_PORT2_SHIFT * ppd->hw_pidx);
+	qd->ppd = ppd;
+	qib_qsfp_init(qd, qsfp_7322_event);
+	spin_lock_irqsave(&dd->cspec->gpio_lock, flags);
+	dd->cspec->extctrl |= (mod_prs_bit << SYM_LSB(EXTCtrl, GPIOInvert));
+	dd->cspec->gpio_mask |= mod_prs_bit;
+	qib_write_kreg(dd, kr_extctrl, dd->cspec->extctrl);
+	qib_write_kreg(dd, kr_gpio_mask, dd->cspec->gpio_mask);
+	spin_unlock_irqrestore(&dd->cspec->gpio_lock, flags);
+}
+
+/*
+ * called at device initialization time, and also if the cable_atten
+ * module parameter is changed.  This is used for cables that don't
+ * have valid QSFP EEPROMs (not present, or attenuation is zero).
+ * We initialize to the default, then if there is a specific
+ * unit,port match, we use that.
+ * String format is "default# unit#,port#=# ... u,p=#", separators must
+ * be a SPACE character.  A newline terminates.
+ * The last specific match is used (actually, all are used, but last
+ * one is the one that winds up set); if none at all, fall back on default.
+ */
+static void set_no_qsfp_atten(struct qib_devdata *dd, int change)
+{
+	char *nxt, *str;
+	int pidx, unit, port, deflt;
+	unsigned long val;
+	int any = 0;
+
+	str = cable_atten_list;
+
+	/* default number is validated in setup_cable_atten() */
+	deflt = simple_strtoul(str, &nxt, 0);
+	for (pidx = 0; pidx < dd->num_pports; ++pidx)
+		dd->pport[pidx].cpspec->no_eep = deflt;
+
+	while (*nxt && nxt[1]) {
+		str = ++nxt;
+		unit = simple_strtoul(str, &nxt, 0);
+		if (nxt == str || !*nxt || *nxt != ',') {
+			while (*nxt && *nxt++ != ' ') /* skip to next, if any */
+				;
+			continue;
+		}
+		str = ++nxt;
+		port = simple_strtoul(str, &nxt, 0);
+		if (nxt == str || *nxt != '=') {
+			while (*nxt && *nxt++ != ' ') /* skip to next, if any */
+				;
+			continue;
+		}
+		str = ++nxt;
+		val = simple_strtoul(str, &nxt, 0);
+		if (nxt == str) {
+			while (*nxt && *nxt++ != ' ') /* skip to next, if any */
+				;
+			continue;
+		}
+		if (val >= TXDDS_TABLE_SZ)
+			continue;
+		for (pidx = 0; dd->unit == unit && pidx < dd->num_pports;
+		     ++pidx) {
+			if (dd->pport[pidx].port != port ||
+				!dd->pport[pidx].link_speed_supported)
+				continue;
+			dd->pport[pidx].cpspec->no_eep = val;
+			/* now change the IBC and serdes, overriding generic */
+			init_txdds_table(&dd->pport[pidx], 1);
+			any++;
+		}
+		if (*nxt == '\n')
+			break; /* done */
+	}
+	if (change && !any) {
+		/* no specific setting, use the default.
+		 * Change the IBC and serdes, but since it's
+		 * general, don't override specific settings.
+		 */
+		for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+			if (!dd->pport[pidx].link_speed_supported)
+				continue;
+			init_txdds_table(&dd->pport[pidx], 0);
+		}
+	}
+}
+
+/* handle the cable_atten parameter changing */
+static int setup_cable_atten(const char *str, struct kernel_param *kp)
+{
+	struct qib_devdata *dd;
+	unsigned long val;
+	char *n;
+	if (strlen(str) >= MAX_ATTEN_LEN) {
+		printk(KERN_INFO QIB_DRV_NAME " cable_atten_values string "
+		       "too long\n");
+		return -ENOSPC;
+	}
+	val = simple_strtoul(str, &n, 0);
+	if (n == str || val >= TXDDS_TABLE_SZ) {
+		printk(KERN_INFO QIB_DRV_NAME
+		       "cable_atten_values must start with a number\n");
+		return -EINVAL;
+	}
+	strcpy(cable_atten_list, str);
+
+	list_for_each_entry(dd, &qib_dev_list, list)
+		set_no_qsfp_atten(dd, 1);
+	return 0;
+}
+
+/*
+ * Write the final few registers that depend on some of the
+ * init setup.  Done late in init, just before bringing up
+ * the serdes.
+ */
+static int qib_late_7322_initreg(struct qib_devdata *dd)
+{
+	int ret = 0, n;
+	u64 val;
+
+	qib_write_kreg(dd, kr_rcvhdrentsize, dd->rcvhdrentsize);
+	qib_write_kreg(dd, kr_rcvhdrsize, dd->rcvhdrsize);
+	qib_write_kreg(dd, kr_rcvhdrcnt, dd->rcvhdrcnt);
+	qib_write_kreg(dd, kr_sendpioavailaddr, dd->pioavailregs_phys);
+	val = qib_read_kreg64(dd, kr_sendpioavailaddr);
+	if (val != dd->pioavailregs_phys) {
+		qib_dev_err(dd, "Catastrophic software error, "
+			    "SendPIOAvailAddr written as %lx, "
+			    "read back as %llx\n",
+			    (unsigned long) dd->pioavailregs_phys,
+			    (unsigned long long) val);
+		ret = -EINVAL;
+	}
+
+	n = dd->piobcnt2k + dd->piobcnt4k + NUM_VL15_BUFS;
+	qib_7322_txchk_change(dd, 0, n, TXCHK_CHG_TYPE_KERN, NULL);
+	/* driver sends get pkey, lid, etc. checking also, to catch bugs */
+	qib_7322_txchk_change(dd, 0, n, TXCHK_CHG_TYPE_ENAB1, NULL);
+
+	qib_register_observer(dd, &sendctrl_0_observer);
+	qib_register_observer(dd, &sendctrl_1_observer);
+
+	dd->control &= ~QLOGIC_IB_C_SDMAFETCHPRIOEN;
+	qib_write_kreg(dd, kr_control, dd->control);
+	/*
+	 * Set SendDmaFetchPriority and init Tx params, including
+	 * QSFP handler on boards that have QSFP.
+	 * First set our default attenuation entry for cables that
+	 * don't have valid attenuation.
+	 */
+	set_no_qsfp_atten(dd, 0);
+	for (n = 0; n < dd->num_pports; ++n) {
+		struct qib_pportdata *ppd = dd->pport + n;
+
+		qib_write_kreg_port(ppd, krp_senddmaprioritythld,
+				    sdma_fetch_prio & 0xf);
+		/* Initialize qsfp if present on board. */
+		if (dd->flags & QIB_HAS_QSFP)
+			qib_init_7322_qsfp(ppd);
+	}
+	dd->control |= QLOGIC_IB_C_SDMAFETCHPRIOEN;
+	qib_write_kreg(dd, kr_control, dd->control);
+
+	return ret;
+}
+
+/* per IB port errors.  */
+#define SENDCTRL_PIBP (MASK_ACROSS(0, 1) | MASK_ACROSS(3, 3) | \
+	MASK_ACROSS(8, 15))
+#define RCVCTRL_PIBP (MASK_ACROSS(0, 17) | MASK_ACROSS(39, 41))
+#define ERRS_PIBP (MASK_ACROSS(57, 58) | MASK_ACROSS(54, 54) | \
+	MASK_ACROSS(36, 49) | MASK_ACROSS(29, 34) | MASK_ACROSS(14, 17) | \
+	MASK_ACROSS(0, 11))
+
+/*
+ * Write the initialization per-port registers that need to be done at
+ * driver load and after reset completes (i.e., that aren't done as part
+ * of other init procedures called from qib_init.c).
+ * Some of these should be redundant on reset, but play safe.
+ */
+static void write_7322_init_portregs(struct qib_pportdata *ppd)
+{
+	u64 val;
+	int i;
+
+	if (!ppd->link_speed_supported) {
+		/* no buffer credits for this port */
+		for (i = 1; i < 8; i++)
+			qib_write_kreg_port(ppd, krp_rxcreditvl0 + i, 0);
+		qib_write_kreg_port(ppd, krp_ibcctrl_b, 0);
+		qib_write_kreg(ppd->dd, kr_scratch, 0);
+		return;
+	}
+
+	/*
+	 * Set the number of supported virtual lanes in IBC,
+	 * for flow control packet handling on unsupported VLs
+	 */
+	val = qib_read_kreg_port(ppd, krp_ibsdtestiftx);
+	val &= ~SYM_MASK(IB_SDTEST_IF_TX_0, VL_CAP);
+	val |= (u64)(ppd->vls_supported - 1) <<
+		SYM_LSB(IB_SDTEST_IF_TX_0, VL_CAP);
+	qib_write_kreg_port(ppd, krp_ibsdtestiftx, val);
+
+	qib_write_kreg_port(ppd, krp_rcvbthqp, QIB_KD_QP);
+
+	/* enable tx header checking */
+	qib_write_kreg_port(ppd, krp_sendcheckcontrol, IBA7322_SENDCHK_PKEY |
+			    IBA7322_SENDCHK_BTHQP | IBA7322_SENDCHK_SLID |
+			    IBA7322_SENDCHK_RAW_IPV6 | IBA7322_SENDCHK_MINSZ);
+
+	qib_write_kreg_port(ppd, krp_ncmodectrl,
+		SYM_MASK(IBNCModeCtrl_0, ScrambleCapLocal));
+
+	/*
+	 * Unconditionally clear the bufmask bits.  If SDMA is
+	 * enabled, we'll set them appropriately later.
+	 */
+	qib_write_kreg_port(ppd, krp_senddmabufmask0, 0);
+	qib_write_kreg_port(ppd, krp_senddmabufmask1, 0);
+	qib_write_kreg_port(ppd, krp_senddmabufmask2, 0);
+	if (ppd->dd->cspec->r1)
+		ppd->p_sendctrl |= SYM_MASK(SendCtrl_0, ForceCreditUpToDate);
+}
+
+/*
+ * Write the initialization per-device registers that need to be done at
+ * driver load and after reset completes (i.e., that aren't done as part
+ * of other init procedures called from qib_init.c).  Also write per-port
+ * registers that are affected by overall device config, such as QP mapping
+ * Some of these should be redundant on reset, but play safe.
+ */
+static void write_7322_initregs(struct qib_devdata *dd)
+{
+	struct qib_pportdata *ppd;
+	int i, pidx;
+	u64 val;
+
+	/* Set Multicast QPs received by port 2 to map to context one. */
+	qib_write_kreg(dd, KREG_IDX(RcvQPMulticastContext_1), 1);
+
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		unsigned n, regno;
+		unsigned long flags;
+
+		if (!dd->qpn_mask || !dd->pport[pidx].link_speed_supported)
+			continue;
+
+		ppd = &dd->pport[pidx];
+
+		/* be paranoid against later code motion, etc. */
+		spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
+		ppd->p_rcvctrl |= SYM_MASK(RcvCtrl_0, RcvQPMapEnable);
+		spin_unlock_irqrestore(&dd->cspec->rcvmod_lock, flags);
+
+		/* Initialize QP to context mapping */
+		regno = krp_rcvqpmaptable;
+		val = 0;
+		if (dd->num_pports > 1)
+			n = dd->first_user_ctxt / dd->num_pports;
+		else
+			n = dd->first_user_ctxt - 1;
+		for (i = 0; i < 32; ) {
+			unsigned ctxt;
+
+			if (dd->num_pports > 1)
+				ctxt = (i % n) * dd->num_pports + pidx;
+			else if (i % n)
+				ctxt = (i % n) + 1;
+			else
+				ctxt = ppd->hw_pidx;
+			val |= ctxt << (5 * (i % 6));
+			i++;
+			if (i % 6 == 0) {
+				qib_write_kreg_port(ppd, regno, val);
+				val = 0;
+				regno++;
+			}
+		}
+		qib_write_kreg_port(ppd, regno, val);
+	}
+
+	/*
+	 * Setup up interrupt mitigation for kernel contexts, but
+	 * not user contexts (user contexts use interrupts when
+	 * stalled waiting for any packet, so want those interrupts
+	 * right away).
+	 */
+	for (i = 0; i < dd->first_user_ctxt; i++) {
+		dd->cspec->rcvavail_timeout[i] = rcv_int_timeout;
+		qib_write_kreg(dd, kr_rcvavailtimeout + i, rcv_int_timeout);
+	}
+
+	/*
+	 * Initialize  as (disabled) rcvflow tables.  Application code
+	 * will setup each flow as it uses the flow.
+	 * Doesn't clear any of the error bits that might be set.
+	 */
+	val = TIDFLOW_ERRBITS; /* these are W1C */
+	for (i = 0; i < dd->ctxtcnt; i++) {
+		int flow;
+		for (flow = 0; flow < NUM_TIDFLOWS_CTXT; flow++)
+			qib_write_ureg(dd, ur_rcvflowtable+flow, val, i);
+	}
+
+	/*
+	 * dual cards init to dual port recovery, single port cards to
+	 * the one port.  Dual port cards may later adjust to 1 port,
+	 * and then back to dual port if both ports are connected
+	 * */
+	if (dd->num_pports)
+		setup_7322_link_recovery(dd->pport, dd->num_pports > 1);
+}
+
+static int qib_init_7322_variables(struct qib_devdata *dd)
+{
+	struct qib_pportdata *ppd;
+	unsigned features, pidx, sbufcnt;
+	int ret, mtu;
+	u32 sbufs, updthresh;
+
+	/* pport structs are contiguous, allocated after devdata */
+	ppd = (struct qib_pportdata *)(dd + 1);
+	dd->pport = ppd;
+	ppd[0].dd = dd;
+	ppd[1].dd = dd;
+
+	dd->cspec = (struct qib_chip_specific *)(ppd + 2);
+
+	ppd[0].cpspec = (struct qib_chippport_specific *)(dd->cspec + 1);
+	ppd[1].cpspec = &ppd[0].cpspec[1];
+	ppd[0].cpspec->ppd = &ppd[0]; /* for autoneg_7322_work() */
+	ppd[1].cpspec->ppd = &ppd[1]; /* for autoneg_7322_work() */
+
+	spin_lock_init(&dd->cspec->rcvmod_lock);
+	spin_lock_init(&dd->cspec->gpio_lock);
+
+	/* we haven't yet set QIB_PRESENT, so use read directly */
+	dd->revision = readq(&dd->kregbase[kr_revision]);
+
+	if ((dd->revision & 0xffffffffU) == 0xffffffffU) {
+		qib_dev_err(dd, "Revision register read failure, "
+			    "giving up initialization\n");
+		ret = -ENODEV;
+		goto bail;
+	}
+	dd->flags |= QIB_PRESENT;  /* now register routines work */
+
+	dd->majrev = (u8) SYM_FIELD(dd->revision, Revision_R, ChipRevMajor);
+	dd->minrev = (u8) SYM_FIELD(dd->revision, Revision_R, ChipRevMinor);
+	dd->cspec->r1 = dd->minrev == 1;
+
+	get_7322_chip_params(dd);
+	features = qib_7322_boardname(dd);
+
+	/* now that piobcnt2k and 4k set, we can allocate these */
+	sbufcnt = dd->piobcnt2k + dd->piobcnt4k +
+		NUM_VL15_BUFS + BITS_PER_LONG - 1;
+	sbufcnt /= BITS_PER_LONG;
+	dd->cspec->sendchkenable = kmalloc(sbufcnt *
+		sizeof(*dd->cspec->sendchkenable), GFP_KERNEL);
+	dd->cspec->sendgrhchk = kmalloc(sbufcnt *
+		sizeof(*dd->cspec->sendgrhchk), GFP_KERNEL);
+	dd->cspec->sendibchk = kmalloc(sbufcnt *
+		sizeof(*dd->cspec->sendibchk), GFP_KERNEL);
+	if (!dd->cspec->sendchkenable || !dd->cspec->sendgrhchk ||
+		!dd->cspec->sendibchk) {
+		qib_dev_err(dd, "Failed allocation for hdrchk bitmaps\n");
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	ppd = dd->pport;
+
+	/*
+	 * GPIO bits for TWSI data and clock,
+	 * used for serial EEPROM.
+	 */
+	dd->gpio_sda_num = _QIB_GPIO_SDA_NUM;
+	dd->gpio_scl_num = _QIB_GPIO_SCL_NUM;
+	dd->twsi_eeprom_dev = QIB_TWSI_EEPROM_DEV;
+
+	dd->flags |= QIB_HAS_INTX | QIB_HAS_LINK_LATENCY |
+		QIB_NODMA_RTAIL | QIB_HAS_VLSUPP | QIB_HAS_HDRSUPP |
+		QIB_HAS_THRESH_UPDATE |
+		(sdma_idle_cnt ? QIB_HAS_SDMA_TIMEOUT : 0);
+	dd->flags |= qib_special_trigger ?
+		QIB_USE_SPCL_TRIG : QIB_HAS_SEND_DMA;
+
+	/*
+	 * Setup initial values.  These may change when PAT is enabled, but
+	 * we need these to do initial chip register accesses.
+	 */
+	qib_7322_set_baseaddrs(dd);
+
+	mtu = ib_mtu_enum_to_int(qib_ibmtu);
+	if (mtu == -1)
+		mtu = QIB_DEFAULT_MTU;
+
+	dd->cspec->int_enable_mask = QIB_I_BITSEXTANT;
+	/* all hwerrors become interrupts, unless special purposed */
+	dd->cspec->hwerrmask = ~0ULL;
+	/*  link_recovery setup causes these errors, so ignore them,
+	 *  other than clearing them when they occur */
+	dd->cspec->hwerrmask &=
+		~(SYM_MASK(HwErrMask, IBSerdesPClkNotDetectMask_0) |
+		  SYM_MASK(HwErrMask, IBSerdesPClkNotDetectMask_1) |
+		  HWE_MASK(LATriggered));
+
+	for (pidx = 0; pidx < NUM_IB_PORTS; ++pidx) {
+		struct qib_chippport_specific *cp = ppd->cpspec;
+		ppd->link_speed_supported = features & PORT_SPD_CAP;
+		features >>=  PORT_SPD_CAP_SHIFT;
+		if (!ppd->link_speed_supported) {
+			/* single port mode (7340, or configured) */
+			dd->skip_kctxt_mask |= 1 << pidx;
+			if (pidx == 0) {
+				/* Make sure port is disabled. */
+				qib_write_kreg_port(ppd, krp_rcvctrl, 0);
+				qib_write_kreg_port(ppd, krp_ibcctrl_a, 0);
+				ppd[0] = ppd[1];
+				dd->cspec->hwerrmask &= ~(SYM_MASK(HwErrMask,
+						  IBSerdesPClkNotDetectMask_0)
+						  | SYM_MASK(HwErrMask,
+						  SDmaMemReadErrMask_0));
+				dd->cspec->int_enable_mask &= ~(
+				     SYM_MASK(IntMask, SDmaCleanupDoneMask_0) |
+				     SYM_MASK(IntMask, SDmaIdleIntMask_0) |
+				     SYM_MASK(IntMask, SDmaProgressIntMask_0) |
+				     SYM_MASK(IntMask, SDmaIntMask_0) |
+				     SYM_MASK(IntMask, ErrIntMask_0) |
+				     SYM_MASK(IntMask, SendDoneIntMask_0));
+			} else {
+				/* Make sure port is disabled. */
+				qib_write_kreg_port(ppd, krp_rcvctrl, 0);
+				qib_write_kreg_port(ppd, krp_ibcctrl_a, 0);
+				dd->cspec->hwerrmask &= ~(SYM_MASK(HwErrMask,
+						  IBSerdesPClkNotDetectMask_1)
+						  | SYM_MASK(HwErrMask,
+						  SDmaMemReadErrMask_1));
+				dd->cspec->int_enable_mask &= ~(
+				     SYM_MASK(IntMask, SDmaCleanupDoneMask_1) |
+				     SYM_MASK(IntMask, SDmaIdleIntMask_1) |
+				     SYM_MASK(IntMask, SDmaProgressIntMask_1) |
+				     SYM_MASK(IntMask, SDmaIntMask_1) |
+				     SYM_MASK(IntMask, ErrIntMask_1) |
+				     SYM_MASK(IntMask, SendDoneIntMask_1));
+			}
+			continue;
+		}
+
+		dd->num_pports++;
+		qib_init_pportdata(ppd, dd, pidx, dd->num_pports);
+
+		ppd->link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
+		ppd->link_width_enabled = IB_WIDTH_4X;
+		ppd->link_speed_enabled = ppd->link_speed_supported;
+		/*
+		 * Set the initial values to reasonable default, will be set
+		 * for real when link is up.
+		 */
+		ppd->link_width_active = IB_WIDTH_4X;
+		ppd->link_speed_active = QIB_IB_SDR;
+		ppd->delay_mult = ib_rate_to_delay[IB_RATE_10_GBPS];
+		switch (qib_num_cfg_vls) {
+		case 1:
+			ppd->vls_supported = IB_VL_VL0;
+			break;
+		case 2:
+			ppd->vls_supported = IB_VL_VL0_1;
+			break;
+		default:
+			qib_devinfo(dd->pcidev,
+				    "Invalid num_vls %u, using 4 VLs\n",
+				    qib_num_cfg_vls);
+			qib_num_cfg_vls = 4;
+			/* fall through */
+		case 4:
+			ppd->vls_supported = IB_VL_VL0_3;
+			break;
+		case 8:
+			if (mtu <= 2048)
+				ppd->vls_supported = IB_VL_VL0_7;
+			else {
+				qib_devinfo(dd->pcidev,
+					    "Invalid num_vls %u for MTU %d "
+					    ", using 4 VLs\n",
+					    qib_num_cfg_vls, mtu);
+				ppd->vls_supported = IB_VL_VL0_3;
+				qib_num_cfg_vls = 4;
+			}
+			break;
+		}
+		ppd->vls_operational = ppd->vls_supported;
+
+		init_waitqueue_head(&cp->autoneg_wait);
+		INIT_DELAYED_WORK(&cp->autoneg_work,
+				  autoneg_7322_work);
+		if (ppd->dd->cspec->r1)
+			INIT_DELAYED_WORK(&cp->ipg_work, ipg_7322_work);
+
+		/*
+		 * For Mez and similar cards, no qsfp info, so do
+		 * the "cable info" setup here.  Can be overridden
+		 * in adapter-specific routines.
+		 */
+		if (!(ppd->dd->flags & QIB_HAS_QSFP)) {
+			int i;
+			const struct txdds_ent *txdds;
+
+			if (!IS_QMH(ppd->dd) && !IS_QME(ppd->dd))
+				qib_devinfo(ppd->dd->pcidev, "IB%u:%u: "
+					    "Unknown mezzanine card type\n",
+					    ppd->dd->unit, ppd->port);
+			txdds = IS_QMH(ppd->dd) ? &qmh_qdr_txdds :
+				&qme_qdr_txdds;
+
+			/*
+			 * set values in case link comes up
+			 * before table is written to driver.
+			 */
+			cp->h1_val = IS_QMH(ppd->dd) ? H1_FORCE_QMH :
+				H1_FORCE_QME;
+			for (i = 0; i < SERDES_CHANS; i++) {
+				cp->amp[i] = txdds->amp;
+				cp->pre[i] = txdds->pre;
+				cp->mainv[i] = txdds->main;
+				cp->post[i] = txdds->post;
+			}
+		} else
+			cp->h1_val = H1_FORCE_VAL;
+
+		/* Avoid writes to chip for mini_init */
+		if (!qib_mini_init)
+			write_7322_init_portregs(ppd);
+
+		init_timer(&cp->chase_timer);
+		cp->chase_timer.function = reenable_chase;
+		cp->chase_timer.data = (unsigned long)ppd;
+
+		ppd++;
+	}
+
+	dd->rcvhdrentsize = QIB_RCVHDR_ENTSIZE;
+	dd->rcvhdrsize = QIB_DFLT_RCVHDRSIZE;
+	dd->rhf_offset =
+		dd->rcvhdrentsize - sizeof(u64) / sizeof(u32);
+
+	/* we always allocate at least 2048 bytes for eager buffers */
+	dd->rcvegrbufsize = max(mtu, 2048);
+
+	qib_7322_tidtemplate(dd);
+
+	/*
+	 * We can request a receive interrupt for 1 or
+	 * more packets from current offset.
+	 */
+	dd->rhdrhead_intr_off =
+		(u64) rcv_int_count << IBA7322_HDRHEAD_PKTINT_SHIFT;
+
+	/* setup the stats timer; the add_timer is done at end of init */
+	init_timer(&dd->stats_timer);
+	dd->stats_timer.function = qib_get_7322_faststats;
+	dd->stats_timer.data = (unsigned long) dd;
+
+	dd->ureg_align = 0x10000;  /* 64KB alignment */
+
+	dd->piosize2kmax_dwords = dd->piosize2k >> 2;
+
+	qib_7322_config_ctxts(dd);
+	qib_set_ctxtcnt(dd);
+
+	if (qib_wc_pat) {
+		ret = init_chip_wc_pat(dd, NUM_VL15_BUFS * dd->align4k);
+		if (ret)
+			goto bail;
+	}
+	qib_7322_set_baseaddrs(dd); /* set chip access pointers now */
+
+	ret = 0;
+	if (qib_mini_init)
+		goto bail;
+	if (!dd->num_pports) {
+		qib_dev_err(dd, "No ports enabled, giving up initialization\n");
+		goto bail; /* no error, so can still figure out why err */
+	}
+
+	write_7322_initregs(dd);
+	ret = qib_create_ctxts(dd);
+	init_7322_cntrnames(dd);
+
+	updthresh = 8U; /* update threshold */
+
+	/* use all of 4KB buffers for the kernel SDMA, zero if !SDMA.
+	 * reserve the update threshold amount for other kernel use, such
+	 * as sending SMI, MAD, and ACKs, or 3, whichever is greater,
+	 * unless we aren't enabling SDMA, in which case we want to use
+	 * all the 4k bufs for the kernel.
+	 * if this was less than the update threshold, we could wait
+	 * a long time for an update.  Coded this way because we
+	 * sometimes change the update threshold for various reasons,
+	 * and we want this to remain robust.
+	 */
+	if (dd->flags & QIB_HAS_SEND_DMA) {
+		dd->cspec->sdmabufcnt = dd->piobcnt4k;
+		sbufs = updthresh > 3 ? updthresh : 3;
+	} else {
+		dd->cspec->sdmabufcnt = 0;
+		sbufs = dd->piobcnt4k;
+	}
+	dd->cspec->lastbuf_for_pio = dd->piobcnt2k + dd->piobcnt4k -
+		dd->cspec->sdmabufcnt;
+	dd->lastctxt_piobuf = dd->cspec->lastbuf_for_pio - sbufs;
+	dd->cspec->lastbuf_for_pio--; /* range is <= , not < */
+	dd->pbufsctxt = (dd->cfgctxts > dd->first_user_ctxt) ?
+		dd->lastctxt_piobuf / (dd->cfgctxts - dd->first_user_ctxt) : 0;
+
+	/*
+	 * If we have 16 user contexts, we will have 7 sbufs
+	 * per context, so reduce the update threshold to match.  We
+	 * want to update before we actually run out, at low pbufs/ctxt
+	 * so give ourselves some margin.
+	 */
+	if (dd->pbufsctxt >= 2 && dd->pbufsctxt - 2 < updthresh)
+		updthresh = dd->pbufsctxt - 2;
+	dd->cspec->updthresh_dflt = updthresh;
+	dd->cspec->updthresh = updthresh;
+
+	/* before full enable, no interrupts, no locking needed */
+	dd->sendctrl |= ((updthresh & SYM_RMASK(SendCtrl, AvailUpdThld))
+			     << SYM_LSB(SendCtrl, AvailUpdThld)) |
+			SYM_MASK(SendCtrl, SendBufAvailPad64Byte);
+
+	dd->psxmitwait_supported = 1;
+	dd->psxmitwait_check_rate = QIB_7322_PSXMITWAIT_CHECK_RATE;
+bail:
+	if (!dd->ctxtcnt)
+		dd->ctxtcnt = 1; /* for other initialization code */
+
+	return ret;
+}
+
+static u32 __iomem *qib_7322_getsendbuf(struct qib_pportdata *ppd, u64 pbc,
+					u32 *pbufnum)
+{
+	u32 first, last, plen = pbc & QIB_PBC_LENGTH_MASK;
+	struct qib_devdata *dd = ppd->dd;
+
+	/* last is same for 2k and 4k, because we use 4k if all 2k busy */
+	if (pbc & PBC_7322_VL15_SEND) {
+		first = dd->piobcnt2k + dd->piobcnt4k + ppd->hw_pidx;
+		last = first;
+	} else {
+		if ((plen + 1) > dd->piosize2kmax_dwords)
+			first = dd->piobcnt2k;
+		else
+			first = 0;
+		last = dd->cspec->lastbuf_for_pio;
+	}
+	return qib_getsendbuf_range(dd, pbufnum, first, last);
+}
+
+static void qib_set_cntr_7322_sample(struct qib_pportdata *ppd, u32 intv,
+				     u32 start)
+{
+	qib_write_kreg_port(ppd, krp_psinterval, intv);
+	qib_write_kreg_port(ppd, krp_psstart, start);
+}
+
+/*
+ * Must be called with sdma_lock held, or before init finished.
+ */
+static void qib_sdma_set_7322_desc_cnt(struct qib_pportdata *ppd, unsigned cnt)
+{
+	qib_write_kreg_port(ppd, krp_senddmadesccnt, cnt);
+}
+
+static struct sdma_set_state_action sdma_7322_action_table[] = {
+	[qib_sdma_state_s00_hw_down] = {
+		.go_s99_running_tofalse = 1,
+		.op_enable = 0,
+		.op_intenable = 0,
+		.op_halt = 0,
+		.op_drain = 0,
+	},
+	[qib_sdma_state_s10_hw_start_up_wait] = {
+		.op_enable = 0,
+		.op_intenable = 1,
+		.op_halt = 1,
+		.op_drain = 0,
+	},
+	[qib_sdma_state_s20_idle] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 1,
+		.op_drain = 0,
+	},
+	[qib_sdma_state_s30_sw_clean_up_wait] = {
+		.op_enable = 0,
+		.op_intenable = 1,
+		.op_halt = 1,
+		.op_drain = 0,
+	},
+	[qib_sdma_state_s40_hw_clean_up_wait] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 1,
+		.op_drain = 0,
+	},
+	[qib_sdma_state_s50_hw_halt_wait] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 1,
+		.op_drain = 1,
+	},
+	[qib_sdma_state_s99_running] = {
+		.op_enable = 1,
+		.op_intenable = 1,
+		.op_halt = 0,
+		.op_drain = 0,
+		.go_s99_running_totrue = 1,
+	},
+};
+
+static void qib_7322_sdma_init_early(struct qib_pportdata *ppd)
+{
+	ppd->sdma_state.set_state_action = sdma_7322_action_table;
+}
+
+static int init_sdma_7322_regs(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	unsigned lastbuf, erstbuf;
+	u64 senddmabufmask[3] = { 0 };
+	int n, ret = 0;
+
+	qib_write_kreg_port(ppd, krp_senddmabase, ppd->sdma_descq_phys);
+	qib_sdma_7322_setlengen(ppd);
+	qib_sdma_update_7322_tail(ppd, 0); /* Set SendDmaTail */
+	qib_write_kreg_port(ppd, krp_senddmareloadcnt, sdma_idle_cnt);
+	qib_write_kreg_port(ppd, krp_senddmadesccnt, 0);
+	qib_write_kreg_port(ppd, krp_senddmaheadaddr, ppd->sdma_head_phys);
+
+	if (dd->num_pports)
+		n = dd->cspec->sdmabufcnt / dd->num_pports; /* no remainder */
+	else
+		n = dd->cspec->sdmabufcnt; /* failsafe for init */
+	erstbuf = (dd->piobcnt2k + dd->piobcnt4k) -
+		((dd->num_pports == 1 || ppd->port == 2) ? n :
+		dd->cspec->sdmabufcnt);
+	lastbuf = erstbuf + n;
+
+	ppd->sdma_state.first_sendbuf = erstbuf;
+	ppd->sdma_state.last_sendbuf = lastbuf;
+	for (; erstbuf < lastbuf; ++erstbuf) {
+		unsigned word = erstbuf / BITS_PER_LONG;
+		unsigned bit = erstbuf & (BITS_PER_LONG - 1);
+
+		BUG_ON(word >= 3);
+		senddmabufmask[word] |= 1ULL << bit;
+	}
+	qib_write_kreg_port(ppd, krp_senddmabufmask0, senddmabufmask[0]);
+	qib_write_kreg_port(ppd, krp_senddmabufmask1, senddmabufmask[1]);
+	qib_write_kreg_port(ppd, krp_senddmabufmask2, senddmabufmask[2]);
+	return ret;
+}
+
+/* sdma_lock must be held */
+static u16 qib_sdma_7322_gethead(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int sane;
+	int use_dmahead;
+	u16 swhead;
+	u16 swtail;
+	u16 cnt;
+	u16 hwhead;
+
+	use_dmahead = __qib_sdma_running(ppd) &&
+		(dd->flags & QIB_HAS_SDMA_TIMEOUT);
+retry:
+	hwhead = use_dmahead ?
+		(u16) le64_to_cpu(*ppd->sdma_head_dma) :
+		(u16) qib_read_kreg_port(ppd, krp_senddmahead);
+
+	swhead = ppd->sdma_descq_head;
+	swtail = ppd->sdma_descq_tail;
+	cnt = ppd->sdma_descq_cnt;
+
+	if (swhead < swtail)
+		/* not wrapped */
+		sane = (hwhead >= swhead) & (hwhead <= swtail);
+	else if (swhead > swtail)
+		/* wrapped around */
+		sane = ((hwhead >= swhead) && (hwhead < cnt)) ||
+			(hwhead <= swtail);
+	else
+		/* empty */
+		sane = (hwhead == swhead);
+
+	if (unlikely(!sane)) {
+		if (use_dmahead) {
+			/* try one more time, directly from the register */
+			use_dmahead = 0;
+			goto retry;
+		}
+		/* proceed as if no progress */
+		hwhead = swhead;
+	}
+
+	return hwhead;
+}
+
+static int qib_sdma_7322_busy(struct qib_pportdata *ppd)
+{
+	u64 hwstatus = qib_read_kreg_port(ppd, krp_senddmastatus);
+
+	return (hwstatus & SYM_MASK(SendDmaStatus_0, ScoreBoardDrainInProg)) ||
+	       (hwstatus & SYM_MASK(SendDmaStatus_0, HaltInProg)) ||
+	       !(hwstatus & SYM_MASK(SendDmaStatus_0, InternalSDmaHalt)) ||
+	       !(hwstatus & SYM_MASK(SendDmaStatus_0, ScbEmpty));
+}
+
+/*
+ * Compute the amount of delay before sending the next packet if the
+ * port's send rate differs from the static rate set for the QP.
+ * The delay affects the next packet and the amount of the delay is
+ * based on the length of the this packet.
+ */
+static u32 qib_7322_setpbc_control(struct qib_pportdata *ppd, u32 plen,
+				   u8 srate, u8 vl)
+{
+	u8 snd_mult = ppd->delay_mult;
+	u8 rcv_mult = ib_rate_to_delay[srate];
+	u32 ret;
+
+	ret = rcv_mult > snd_mult ? ((plen + 1) >> 1) * snd_mult : 0;
+
+	/* Indicate VL15, else set the VL in the control word */
+	if (vl == 15)
+		ret |= PBC_7322_VL15_SEND_CTRL;
+	else
+		ret |= vl << PBC_VL_NUM_LSB;
+	ret |= ((u32)(ppd->hw_pidx)) << PBC_PORT_SEL_LSB;
+
+	return ret;
+}
+
+/*
+ * Enable the per-port VL15 send buffers for use.
+ * They follow the rest of the buffers, without a config parameter.
+ * This was in initregs, but that is done before the shadow
+ * is set up, and this has to be done after the shadow is
+ * set up.
+ */
+static void qib_7322_initvl15_bufs(struct qib_devdata *dd)
+{
+	unsigned vl15bufs;
+
+	vl15bufs = dd->piobcnt2k + dd->piobcnt4k;
+	qib_chg_pioavailkernel(dd, vl15bufs, NUM_VL15_BUFS,
+			       TXCHK_CHG_TYPE_KERN, NULL);
+}
+
+static void qib_7322_init_ctxt(struct qib_ctxtdata *rcd)
+{
+	if (rcd->ctxt < NUM_IB_PORTS) {
+		if (rcd->dd->num_pports > 1) {
+			rcd->rcvegrcnt = KCTXT0_EGRCNT / 2;
+			rcd->rcvegr_tid_base = rcd->ctxt ? rcd->rcvegrcnt : 0;
+		} else {
+			rcd->rcvegrcnt = KCTXT0_EGRCNT;
+			rcd->rcvegr_tid_base = 0;
+		}
+	} else {
+		rcd->rcvegrcnt = rcd->dd->cspec->rcvegrcnt;
+		rcd->rcvegr_tid_base = KCTXT0_EGRCNT +
+			(rcd->ctxt - NUM_IB_PORTS) * rcd->rcvegrcnt;
+	}
+}
+
+#define QTXSLEEPS 5000
+static void qib_7322_txchk_change(struct qib_devdata *dd, u32 start,
+				  u32 len, u32 which, struct qib_ctxtdata *rcd)
+{
+	int i;
+	const int last = start + len - 1;
+	const int lastr = last / BITS_PER_LONG;
+	u32 sleeps = 0;
+	int wait = rcd != NULL;
+	unsigned long flags;
+
+	while (wait) {
+		unsigned long shadow;
+		int cstart, previ = -1;
+
+		/*
+		 * when flipping from kernel to user, we can't change
+		 * the checking type if the buffer is allocated to the
+		 * driver.   It's OK the other direction, because it's
+		 * from close, and we have just disarm'ed all the
+		 * buffers.  All the kernel to kernel changes are also
+		 * OK.
+		 */
+		for (cstart = start; cstart <= last; cstart++) {
+			i = ((2 * cstart) + QLOGIC_IB_SENDPIOAVAIL_BUSY_SHIFT)
+				/ BITS_PER_LONG;
+			if (i != previ) {
+				shadow = (unsigned long)
+					le64_to_cpu(dd->pioavailregs_dma[i]);
+				previ = i;
+			}
+			if (test_bit(((2 * cstart) +
+				      QLOGIC_IB_SENDPIOAVAIL_BUSY_SHIFT)
+				     % BITS_PER_LONG, &shadow))
+				break;
+		}
+
+		if (cstart > last)
+			break;
+
+		if (sleeps == QTXSLEEPS)
+			break;
+		/* make sure we see an updated copy next time around */
+		sendctrl_7322_mod(dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+		sleeps++;
+		msleep(1);
+	}
+
+	switch (which) {
+	case TXCHK_CHG_TYPE_DIS1:
+		/*
+		 * disable checking on a range; used by diags; just
+		 * one buffer, but still written generically
+		 */
+		for (i = start; i <= last; i++)
+			clear_bit(i, dd->cspec->sendchkenable);
+		break;
+
+	case TXCHK_CHG_TYPE_ENAB1:
+		/*
+		 * (re)enable checking on a range; used by diags; just
+		 * one buffer, but still written generically; read
+		 * scratch to be sure buffer actually triggered, not
+		 * just flushed from processor.
+		 */
+		qib_read_kreg32(dd, kr_scratch);
+		for (i = start; i <= last; i++)
+			set_bit(i, dd->cspec->sendchkenable);
+		break;
+
+	case TXCHK_CHG_TYPE_KERN:
+		/* usable by kernel */
+		for (i = start; i <= last; i++) {
+			set_bit(i, dd->cspec->sendibchk);
+			clear_bit(i, dd->cspec->sendgrhchk);
+		}
+		spin_lock_irqsave(&dd->uctxt_lock, flags);
+		/* see if we need to raise avail update threshold */
+		for (i = dd->first_user_ctxt;
+		     dd->cspec->updthresh != dd->cspec->updthresh_dflt
+		     && i < dd->cfgctxts; i++)
+			if (dd->rcd[i] && dd->rcd[i]->subctxt_cnt &&
+			   ((dd->rcd[i]->piocnt / dd->rcd[i]->subctxt_cnt) - 1)
+			   < dd->cspec->updthresh_dflt)
+				break;
+		spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+		if (i == dd->cfgctxts) {
+			spin_lock_irqsave(&dd->sendctrl_lock, flags);
+			dd->cspec->updthresh = dd->cspec->updthresh_dflt;
+			dd->sendctrl &= ~SYM_MASK(SendCtrl, AvailUpdThld);
+			dd->sendctrl |= (dd->cspec->updthresh &
+					 SYM_RMASK(SendCtrl, AvailUpdThld)) <<
+					   SYM_LSB(SendCtrl, AvailUpdThld);
+			spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+			sendctrl_7322_mod(dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+		}
+		break;
+
+	case TXCHK_CHG_TYPE_USER:
+		/* for user process */
+		for (i = start; i <= last; i++) {
+			clear_bit(i, dd->cspec->sendibchk);
+			set_bit(i, dd->cspec->sendgrhchk);
+		}
+		spin_lock_irqsave(&dd->sendctrl_lock, flags);
+		if (rcd && rcd->subctxt_cnt && ((rcd->piocnt
+			/ rcd->subctxt_cnt) - 1) < dd->cspec->updthresh) {
+			dd->cspec->updthresh = (rcd->piocnt /
+						rcd->subctxt_cnt) - 1;
+			dd->sendctrl &= ~SYM_MASK(SendCtrl, AvailUpdThld);
+			dd->sendctrl |= (dd->cspec->updthresh &
+					SYM_RMASK(SendCtrl, AvailUpdThld))
+					<< SYM_LSB(SendCtrl, AvailUpdThld);
+			spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+			sendctrl_7322_mod(dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+		} else
+			spin_unlock_irqrestore(&dd->sendctrl_lock, flags);
+		break;
+
+	default:
+		break;
+	}
+
+	for (i = start / BITS_PER_LONG; which >= 2 && i <= lastr; ++i)
+		qib_write_kreg(dd, kr_sendcheckmask + i,
+			       dd->cspec->sendchkenable[i]);
+
+	for (i = start / BITS_PER_LONG; which < 2 && i <= lastr; ++i) {
+		qib_write_kreg(dd, kr_sendgrhcheckmask + i,
+			       dd->cspec->sendgrhchk[i]);
+		qib_write_kreg(dd, kr_sendibpktmask + i,
+			       dd->cspec->sendibchk[i]);
+	}
+
+	/*
+	 * Be sure whatever we did was seen by the chip and acted upon,
+	 * before we return.  Mostly important for which >= 2.
+	 */
+	qib_read_kreg32(dd, kr_scratch);
+}
+
+
+/* useful for trigger analyzers, etc. */
+static void writescratch(struct qib_devdata *dd, u32 val)
+{
+	qib_write_kreg(dd, kr_scratch, val);
+}
+
+/* Dummy for now, use chip regs soon */
+static int qib_7322_tempsense_rd(struct qib_devdata *dd, int regnum)
+{
+	return -ENXIO;
+}
+
+/**
+ * qib_init_iba7322_funcs - set up the chip-specific function pointers
+ * @dev: the pci_dev for qlogic_ib device
+ * @ent: pci_device_id struct for this dev
+ *
+ * Also allocates, inits, and returns the devdata struct for this
+ * device instance
+ *
+ * This is global, and is called directly at init to set up the
+ * chip-specific function pointers for later use.
+ */
+struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev,
+					   const struct pci_device_id *ent)
+{
+	struct qib_devdata *dd;
+	int ret, i;
+	u32 tabsize, actual_cnt = 0;
+
+	dd = qib_alloc_devdata(pdev,
+		NUM_IB_PORTS * sizeof(struct qib_pportdata) +
+		sizeof(struct qib_chip_specific) +
+		NUM_IB_PORTS * sizeof(struct qib_chippport_specific));
+	if (IS_ERR(dd))
+		goto bail;
+
+	dd->f_bringup_serdes    = qib_7322_bringup_serdes;
+	dd->f_cleanup           = qib_setup_7322_cleanup;
+	dd->f_clear_tids        = qib_7322_clear_tids;
+	dd->f_free_irq          = qib_7322_free_irq;
+	dd->f_get_base_info     = qib_7322_get_base_info;
+	dd->f_get_msgheader     = qib_7322_get_msgheader;
+	dd->f_getsendbuf        = qib_7322_getsendbuf;
+	dd->f_gpio_mod          = gpio_7322_mod;
+	dd->f_eeprom_wen        = qib_7322_eeprom_wen;
+	dd->f_hdrqempty         = qib_7322_hdrqempty;
+	dd->f_ib_updown         = qib_7322_ib_updown;
+	dd->f_init_ctxt         = qib_7322_init_ctxt;
+	dd->f_initvl15_bufs     = qib_7322_initvl15_bufs;
+	dd->f_intr_fallback     = qib_7322_intr_fallback;
+	dd->f_late_initreg      = qib_late_7322_initreg;
+	dd->f_setpbc_control    = qib_7322_setpbc_control;
+	dd->f_portcntr          = qib_portcntr_7322;
+	dd->f_put_tid           = qib_7322_put_tid;
+	dd->f_quiet_serdes      = qib_7322_mini_quiet_serdes;
+	dd->f_rcvctrl           = rcvctrl_7322_mod;
+	dd->f_read_cntrs        = qib_read_7322cntrs;
+	dd->f_read_portcntrs    = qib_read_7322portcntrs;
+	dd->f_reset             = qib_do_7322_reset;
+	dd->f_init_sdma_regs    = init_sdma_7322_regs;
+	dd->f_sdma_busy         = qib_sdma_7322_busy;
+	dd->f_sdma_gethead      = qib_sdma_7322_gethead;
+	dd->f_sdma_sendctrl     = qib_7322_sdma_sendctrl;
+	dd->f_sdma_set_desc_cnt = qib_sdma_set_7322_desc_cnt;
+	dd->f_sdma_update_tail  = qib_sdma_update_7322_tail;
+	dd->f_sendctrl          = sendctrl_7322_mod;
+	dd->f_set_armlaunch     = qib_set_7322_armlaunch;
+	dd->f_set_cntr_sample   = qib_set_cntr_7322_sample;
+	dd->f_iblink_state      = qib_7322_iblink_state;
+	dd->f_ibphys_portstate  = qib_7322_phys_portstate;
+	dd->f_get_ib_cfg        = qib_7322_get_ib_cfg;
+	dd->f_set_ib_cfg        = qib_7322_set_ib_cfg;
+	dd->f_set_ib_loopback   = qib_7322_set_loopback;
+	dd->f_get_ib_table      = qib_7322_get_ib_table;
+	dd->f_set_ib_table      = qib_7322_set_ib_table;
+	dd->f_set_intr_state    = qib_7322_set_intr_state;
+	dd->f_setextled         = qib_setup_7322_setextled;
+	dd->f_txchk_change      = qib_7322_txchk_change;
+	dd->f_update_usrhead    = qib_update_7322_usrhead;
+	dd->f_wantpiobuf_intr   = qib_wantpiobuf_7322_intr;
+	dd->f_xgxs_reset        = qib_7322_mini_pcs_reset;
+	dd->f_sdma_hw_clean_up  = qib_7322_sdma_hw_clean_up;
+	dd->f_sdma_hw_start_up  = qib_7322_sdma_hw_start_up;
+	dd->f_sdma_init_early   = qib_7322_sdma_init_early;
+	dd->f_writescratch      = writescratch;
+	dd->f_tempsense_rd	= qib_7322_tempsense_rd;
+	/*
+	 * Do remaining PCIe setup and save PCIe values in dd.
+	 * Any error printing is already done by the init code.
+	 * On return, we have the chip mapped, but chip registers
+	 * are not set up until start of qib_init_7322_variables.
+	 */
+	ret = qib_pcie_ddinit(dd, pdev, ent);
+	if (ret < 0)
+		goto bail_free;
+
+	/* initialize chip-specific variables */
+	ret = qib_init_7322_variables(dd);
+	if (ret)
+		goto bail_cleanup;
+
+	if (qib_mini_init || !dd->num_pports)
+		goto bail;
+
+	/*
+	 * Determine number of vectors we want; depends on port count
+	 * and number of configured kernel receive queues actually used.
+	 * Should also depend on whether sdma is enabled or not, but
+	 * that's such a rare testing case it's not worth worrying about.
+	 */
+	tabsize = dd->first_user_ctxt + ARRAY_SIZE(irq_table);
+	for (i = 0; i < tabsize; i++)
+		if ((i < ARRAY_SIZE(irq_table) &&
+		     irq_table[i].port <= dd->num_pports) ||
+		    (i >= ARRAY_SIZE(irq_table) &&
+		     dd->rcd[i - ARRAY_SIZE(irq_table)]))
+			actual_cnt++;
+	tabsize = actual_cnt;
+	dd->cspec->msix_entries = kmalloc(tabsize *
+			sizeof(struct msix_entry), GFP_KERNEL);
+	dd->cspec->msix_arg = kmalloc(tabsize *
+			sizeof(void *), GFP_KERNEL);
+	if (!dd->cspec->msix_entries || !dd->cspec->msix_arg) {
+		qib_dev_err(dd, "No memory for MSIx table\n");
+		tabsize = 0;
+	}
+	for (i = 0; i < tabsize; i++)
+		dd->cspec->msix_entries[i].entry = i;
+
+	if (qib_pcie_params(dd, 8, &tabsize, dd->cspec->msix_entries))
+		qib_dev_err(dd, "Failed to setup PCIe or interrupts; "
+			    "continuing anyway\n");
+	/* may be less than we wanted, if not enough available */
+	dd->cspec->num_msix_entries = tabsize;
+
+	/* setup interrupt handler */
+	qib_setup_7322_interrupt(dd, 1);
+
+	/* clear diagctrl register, in case diags were running and crashed */
+	qib_write_kreg(dd, kr_hwdiagctrl, 0);
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+	ret = dca_add_requester(&pdev->dev);
+	if (!ret) {
+		dd->flags |= QIB_DCA_ENABLED;
+		qib_setup_dca(dd);
+	}
+#endif
+	goto bail;
+
+bail_cleanup:
+	qib_pcie_ddcleanup(dd);
+bail_free:
+	qib_free_devdata(dd);
+	dd = ERR_PTR(ret);
+bail:
+	return dd;
+}
+
+/*
+ * Set the table entry at the specified index from the table specifed.
+ * There are 3 * TXDDS_TABLE_SZ entries in all per port, with the first
+ * TXDDS_TABLE_SZ for SDR, the next for DDR, and the last for QDR.
+ * 'idx' below addresses the correct entry, while its 4 LSBs select the
+ * corresponding entry (one of TXDDS_TABLE_SZ) from the selected table.
+ */
+#define DDS_ENT_AMP_LSB 14
+#define DDS_ENT_MAIN_LSB 9
+#define DDS_ENT_POST_LSB 5
+#define DDS_ENT_PRE_XTRA_LSB 3
+#define DDS_ENT_PRE_LSB 0
+
+/*
+ * Set one entry in the TxDDS table for spec'd port
+ * ridx picks one of the entries, while tp points
+ * to the appropriate table entry.
+ */
+static void set_txdds(struct qib_pportdata *ppd, int ridx,
+		      const struct txdds_ent *tp)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u32 pack_ent;
+	int regidx;
+
+	/* Get correct offset in chip-space, and in source table */
+	regidx = KREG_IBPORT_IDX(IBSD_DDS_MAP_TABLE) + ridx;
+	/*
+	 * We do not use qib_write_kreg_port() because it was intended
+	 * only for registers in the lower "port specific" pages.
+	 * So do index calculation  by hand.
+	 */
+	if (ppd->hw_pidx)
+		regidx += (dd->palign / sizeof(u64));
+
+	pack_ent = tp->amp << DDS_ENT_AMP_LSB;
+	pack_ent |= tp->main << DDS_ENT_MAIN_LSB;
+	pack_ent |= tp->pre << DDS_ENT_PRE_LSB;
+	pack_ent |= tp->post << DDS_ENT_POST_LSB;
+	qib_write_kreg(dd, regidx, pack_ent);
+	/* Prevent back-to-back writes by hitting scratch */
+	qib_write_kreg(ppd->dd, kr_scratch, 0);
+}
+
+static const struct vendor_txdds_ent vendor_txdds[] = {
+	{ /* Amphenol 1m 30awg NoEq */
+		{ 0x41, 0x50, 0x48 }, "584470002       ",
+		{ 10,  0,  0,  5 }, { 10,  0,  0,  9 }, {  7,  1,  0, 13 },
+	},
+	{ /* Amphenol 3m 28awg NoEq */
+		{ 0x41, 0x50, 0x48 }, "584470004       ",
+		{  0,  0,  0,  8 }, {  0,  0,  0, 11 }, {  0,  1,  7, 15 },
+	},
+	{ /* Finisar 3m OM2 Optical */
+		{ 0x00, 0x90, 0x65 }, "FCBG410QB1C03-QL",
+		{  0,  0,  0,  3 }, {  0,  0,  0,  4 }, {  0,  0,  0, 13 },
+	},
+	{ /* Finisar 30m OM2 Optical */
+		{ 0x00, 0x90, 0x65 }, "FCBG410QB1C30-QL",
+		{  0,  0,  0,  1 }, {  0,  0,  0,  5 }, {  0,  0,  0, 11 },
+	},
+	{ /* Finisar Default OM2 Optical */
+		{ 0x00, 0x90, 0x65 }, NULL,
+		{  0,  0,  0,  2 }, {  0,  0,  0,  5 }, {  0,  0,  0, 12 },
+	},
+	{ /* Gore 1m 30awg NoEq */
+		{ 0x00, 0x21, 0x77 }, "QSN3300-1       ",
+		{  0,  0,  0,  6 }, {  0,  0,  0,  9 }, {  0,  1,  0, 15 },
+	},
+	{ /* Gore 2m 30awg NoEq */
+		{ 0x00, 0x21, 0x77 }, "QSN3300-2       ",
+		{  0,  0,  0,  8 }, {  0,  0,  0, 10 }, {  0,  1,  7, 15 },
+	},
+	{ /* Gore 1m 28awg NoEq */
+		{ 0x00, 0x21, 0x77 }, "QSN3800-1       ",
+		{  0,  0,  0,  6 }, {  0,  0,  0,  8 }, {  0,  1,  0, 15 },
+	},
+	{ /* Gore 3m 28awg NoEq */
+		{ 0x00, 0x21, 0x77 }, "QSN3800-3       ",
+		{  0,  0,  0,  9 }, {  0,  0,  0, 13 }, {  0,  1,  7, 15 },
+	},
+	{ /* Gore 5m 24awg Eq */
+		{ 0x00, 0x21, 0x77 }, "QSN7000-5       ",
+		{  0,  0,  0,  7 }, {  0,  0,  0,  9 }, {  0,  1,  3, 15 },
+	},
+	{ /* Gore 7m 24awg Eq */
+		{ 0x00, 0x21, 0x77 }, "QSN7000-7       ",
+		{  0,  0,  0,  9 }, {  0,  0,  0, 11 }, {  0,  2,  6, 15 },
+	},
+	{ /* Gore 5m 26awg Eq */
+		{ 0x00, 0x21, 0x77 }, "QSN7600-5       ",
+		{  0,  0,  0,  8 }, {  0,  0,  0, 11 }, {  0,  1,  9, 13 },
+	},
+	{ /* Gore 7m 26awg Eq */
+		{ 0x00, 0x21, 0x77 }, "QSN7600-7       ",
+		{  0,  0,  0,  8 }, {  0,  0,  0, 11 }, {  10,  1,  8, 15 },
+	},
+	{ /* Intersil 12m 24awg Active */
+		{ 0x00, 0x30, 0xB4 }, "QLX4000CQSFP1224",
+		{  0,  0,  0,  2 }, {  0,  0,  0,  5 }, {  0,  3,  0,  9 },
+	},
+	{ /* Intersil 10m 28awg Active */
+		{ 0x00, 0x30, 0xB4 }, "QLX4000CQSFP1028",
+		{  0,  0,  0,  6 }, {  0,  0,  0,  4 }, {  0,  2,  0,  2 },
+	},
+	{ /* Intersil 7m 30awg Active */
+		{ 0x00, 0x30, 0xB4 }, "QLX4000CQSFP0730",
+		{  0,  0,  0,  6 }, {  0,  0,  0,  4 }, {  0,  1,  0,  3 },
+	},
+	{ /* Intersil 5m 32awg Active */
+		{ 0x00, 0x30, 0xB4 }, "QLX4000CQSFP0532",
+		{  0,  0,  0,  6 }, {  0,  0,  0,  6 }, {  0,  2,  0,  8 },
+	},
+	{ /* Intersil Default Active */
+		{ 0x00, 0x30, 0xB4 }, NULL,
+		{  0,  0,  0,  6 }, {  0,  0,  0,  5 }, {  0,  2,  0,  5 },
+	},
+	{ /* Luxtera 20m Active Optical */
+		{ 0x00, 0x25, 0x63 }, NULL,
+		{  0,  0,  0,  5 }, {  0,  0,  0,  8 }, {  0,  2,  0,  12 },
+	},
+	{ /* Molex 1M Cu loopback */
+		{ 0x00, 0x09, 0x3A }, "74763-0025      ",
+		{  2,  2,  6, 15 }, {  2,  2,  6, 15 }, {  2,  2,  6, 15 },
+	},
+	{ /* Molex 2m 28awg NoEq */
+		{ 0x00, 0x09, 0x3A }, "74757-2201      ",
+		{  0,  0,  0,  6 }, {  0,  0,  0,  9 }, {  0,  1,  1, 15 },
+	},
+};
+
+static const struct txdds_ent txdds_sdr[TXDDS_TABLE_SZ] = {
+	/* amp, pre, main, post */
+	{  2, 2, 15,  6 },	/* Loopback */
+	{  0, 0,  0,  1 },	/*  2 dB */
+	{  0, 0,  0,  2 },	/*  3 dB */
+	{  0, 0,  0,  3 },	/*  4 dB */
+	{  0, 0,  0,  4 },	/*  5 dB */
+	{  0, 0,  0,  5 },	/*  6 dB */
+	{  0, 0,  0,  6 },	/*  7 dB */
+	{  0, 0,  0,  7 },	/*  8 dB */
+	{  0, 0,  0,  8 },	/*  9 dB */
+	{  0, 0,  0,  9 },	/* 10 dB */
+	{  0, 0,  0, 10 },	/* 11 dB */
+	{  0, 0,  0, 11 },	/* 12 dB */
+	{  0, 0,  0, 12 },	/* 13 dB */
+	{  0, 0,  0, 13 },	/* 14 dB */
+	{  0, 0,  0, 14 },	/* 15 dB */
+	{  0, 0,  0, 15 },	/* 16 dB */
+};
+
+static const struct txdds_ent txdds_ddr[TXDDS_TABLE_SZ] = {
+	/* amp, pre, main, post */
+	{  2, 2, 15,  6 },	/* Loopback */
+	{  0, 0,  0,  8 },	/*  2 dB */
+	{  0, 0,  0,  8 },	/*  3 dB */
+	{  0, 0,  0,  9 },	/*  4 dB */
+	{  0, 0,  0,  9 },	/*  5 dB */
+	{  0, 0,  0, 10 },	/*  6 dB */
+	{  0, 0,  0, 10 },	/*  7 dB */
+	{  0, 0,  0, 11 },	/*  8 dB */
+	{  0, 0,  0, 11 },	/*  9 dB */
+	{  0, 0,  0, 12 },	/* 10 dB */
+	{  0, 0,  0, 12 },	/* 11 dB */
+	{  0, 0,  0, 13 },	/* 12 dB */
+	{  0, 0,  0, 13 },	/* 13 dB */
+	{  0, 0,  0, 14 },	/* 14 dB */
+	{  0, 0,  0, 14 },	/* 15 dB */
+	{  0, 0,  0, 15 },	/* 16 dB */
+};
+
+static const struct txdds_ent txdds_qdr[TXDDS_TABLE_SZ] = {
+	/* amp, pre, main, post */
+	{  2, 2, 15,  6 },	/* Loopback */
+	{  0, 1,  0,  7 },	/*  2 dB */
+	{  0, 1,  0,  9 },	/*  3 dB */
+	{  0, 1,  0, 11 },	/*  4 dB */
+	{  0, 1,  0, 13 },	/*  5 dB */
+	{  0, 1,  0, 15 },	/*  6 dB */
+	{  0, 1,  3, 15 },	/*  7 dB */
+	{  0, 1,  7, 15 },	/*  8 dB */
+	{  0, 1,  7, 15 },	/*  9 dB */
+	{  0, 1,  8, 15 },	/* 10 dB */
+	{  0, 1,  9, 15 },	/* 11 dB */
+	{  0, 1, 10, 15 },	/* 12 dB */
+	{  0, 2,  6, 15 },	/* 13 dB */
+	{  0, 2,  7, 15 },	/* 14 dB */
+	{  0, 2,  8, 15 },	/* 15 dB */
+	{  0, 2,  9, 15 },	/* 16 dB */
+};
+
+static const struct txdds_ent *get_atten_table(const struct txdds_ent *txdds,
+					       unsigned atten)
+{
+	/*
+	 * The attenuation table starts at 2dB for entry 1,
+	 * with entry 0 being the loopback entry.
+	 */
+	if (atten <= 2)
+		atten = 1;
+	else if (atten > TXDDS_TABLE_SZ)
+		atten = TXDDS_TABLE_SZ - 1;
+	else
+		atten--;
+	return txdds + atten;
+}
+
+/*
+ * if override is set, the module parameter cable_atten has a value
+ * for this specific port, so use it, rather than our normal mechanism.
+ */
+static void find_best_ent(struct qib_pportdata *ppd,
+			  const struct txdds_ent **sdr_dds,
+			  const struct txdds_ent **ddr_dds,
+			  const struct txdds_ent **qdr_dds, int override)
+{
+	struct qib_qsfp_cache *qd = &ppd->cpspec->qsfp_data.cache;
+	int idx;
+
+	/* Search table of known cables */
+	for (idx = 0; !override && idx < ARRAY_SIZE(vendor_txdds); ++idx) {
+		const struct vendor_txdds_ent *v = vendor_txdds + idx;
+
+		if (!memcmp(v->oui, qd->oui, QSFP_VOUI_LEN) &&
+		    (!v->partnum ||
+		     !memcmp(v->partnum, qd->partnum, QSFP_PN_LEN))) {
+			*sdr_dds = &v->sdr;
+			*ddr_dds = &v->ddr;
+			*qdr_dds = &v->qdr;
+			return;
+		}
+	}
+
+	/* Lookup serdes setting by cable type and attenuation */
+	if (!override && QSFP_IS_ACTIVE(qd->tech)) {
+		*sdr_dds = txdds_sdr + ppd->dd->board_atten;
+		*ddr_dds = txdds_ddr + ppd->dd->board_atten;
+		*qdr_dds = txdds_qdr + ppd->dd->board_atten;
+		return;
+	}
+
+	if (!override && QSFP_HAS_ATTEN(qd->tech) && (qd->atten[0] ||
+						      qd->atten[1])) {
+		*sdr_dds = get_atten_table(txdds_sdr, qd->atten[0]);
+		*ddr_dds = get_atten_table(txdds_ddr, qd->atten[0]);
+		*qdr_dds = get_atten_table(txdds_qdr, qd->atten[1]);
+		return;
+	} else {
+		/*
+		 * If we have no (or incomplete) data from the cable
+		 * EEPROM, or no QSFP, use the module parameter value
+		 * to index into the attentuation table.
+		 */
+		*sdr_dds = &txdds_sdr[ppd->cpspec->no_eep];
+		*ddr_dds = &txdds_ddr[ppd->cpspec->no_eep];
+		*qdr_dds = &txdds_qdr[ppd->cpspec->no_eep];
+	}
+}
+
+static void init_txdds_table(struct qib_pportdata *ppd, int override)
+{
+	const struct txdds_ent *sdr_dds, *ddr_dds, *qdr_dds;
+	struct txdds_ent *dds;
+	int idx;
+	int single_ent = 0;
+
+	if (IS_QMH(ppd->dd)) {
+		/* normally will be overridden, via setup_qmh() */
+		sdr_dds = &qmh_sdr_txdds;
+		ddr_dds = &qmh_ddr_txdds;
+		qdr_dds = &qmh_qdr_txdds;
+		single_ent = 1;
+	} else if (IS_QME(ppd->dd)) {
+		sdr_dds = &qme_sdr_txdds;
+		ddr_dds = &qme_ddr_txdds;
+		qdr_dds = &qme_qdr_txdds;
+		single_ent = 1;
+	} else
+		find_best_ent(ppd, &sdr_dds, &ddr_dds, &qdr_dds, override);
+
+	/* Fill in the first entry with the best entry found. */
+	set_txdds(ppd, 0, sdr_dds);
+	set_txdds(ppd, TXDDS_TABLE_SZ, ddr_dds);
+	set_txdds(ppd, 2 * TXDDS_TABLE_SZ, qdr_dds);
+
+	/*
+	 * for our current speed, also write that value into the
+	 * tx serdes registers.
+	 */
+	dds = (struct txdds_ent *)(ppd->link_speed_active == QIB_IB_QDR ?
+				   qdr_dds : (ppd->link_speed_active ==
+					      QIB_IB_DDR ? ddr_dds : sdr_dds));
+	write_tx_serdes_param(ppd, dds);
+
+	/* Fill in the remaining entries with the default table values. */
+	for (idx = 1; idx < ARRAY_SIZE(txdds_sdr); ++idx) {
+		set_txdds(ppd, idx, single_ent ? sdr_dds : txdds_sdr + idx);
+		set_txdds(ppd, idx + TXDDS_TABLE_SZ,
+			  single_ent ? ddr_dds : txdds_ddr + idx);
+		set_txdds(ppd, idx + 2 * TXDDS_TABLE_SZ,
+			  single_ent ? qdr_dds : txdds_qdr + idx);
+	}
+}
+
+#define KR_AHB_ACC KREG_IDX(ahb_access_ctrl)
+#define KR_AHB_TRANS KREG_IDX(ahb_transaction_reg)
+#define AHB_TRANS_RDY SYM_MASK(ahb_transaction_reg, ahb_rdy)
+#define AHB_ADDR_LSB SYM_LSB(ahb_transaction_reg, ahb_address)
+#define AHB_DATA_LSB SYM_LSB(ahb_transaction_reg, ahb_data)
+#define AHB_WR SYM_MASK(ahb_transaction_reg, write_not_read)
+#define AHB_TRANS_TRIES 10
+
+/*
+ * The chan argument is 0=chan0, 1=chan1, 2=pll, 3=chan2, 4=chan4,
+ * 5=subsystem which is why most calls have "chan + chan >> 1"
+ * for the channel argument.
+ */
+static u32 ahb_mod(struct qib_devdata *dd, int quad, int chan, int addr,
+		    u32 data, u32 mask)
+{
+	u32 rd_data, wr_data, sz_mask;
+	u64 trans, acc, prev_acc;
+	u32 ret = 0xBAD0BAD;
+	int tries;
+
+	prev_acc = qib_read_kreg64(dd, KR_AHB_ACC);
+	/* From this point on, make sure we return access */
+	acc = (quad << 1) | 1;
+	qib_write_kreg(dd, KR_AHB_ACC, acc);
+
+	for (tries = 1; tries < AHB_TRANS_TRIES; ++tries) {
+		trans = qib_read_kreg64(dd, KR_AHB_TRANS);
+		if (trans & AHB_TRANS_RDY)
+			break;
+	}
+	if (tries >= AHB_TRANS_TRIES) {
+		qib_dev_err(dd, "No ahb_rdy in %d tries\n", AHB_TRANS_TRIES);
+		goto bail;
+	}
+
+	/* If mask is not all 1s, we need to read, but different SerDes
+	 * entities have different sizes
+	 */
+	sz_mask = (1UL << ((quad == 1) ? 32 : 16)) - 1;
+	wr_data = data & mask & sz_mask;
+	if ((~mask & sz_mask) != 0) {
+		trans = ((chan << 6) | addr) << (AHB_ADDR_LSB + 1);
+		qib_write_kreg(dd, KR_AHB_TRANS, trans);
+
+		for (tries = 1; tries < AHB_TRANS_TRIES; ++tries) {
+			trans = qib_read_kreg64(dd, KR_AHB_TRANS);
+			if (trans & AHB_TRANS_RDY)
+				break;
+		}
+		if (tries >= AHB_TRANS_TRIES) {
+			qib_dev_err(dd, "No Rd ahb_rdy in %d tries\n",
+				    AHB_TRANS_TRIES);
+			goto bail;
+		}
+		/* Re-read in case host split reads and read data first */
+		trans = qib_read_kreg64(dd, KR_AHB_TRANS);
+		rd_data = (uint32_t)(trans >> AHB_DATA_LSB);
+		wr_data |= (rd_data & ~mask & sz_mask);
+	}
+
+	/* If mask is not zero, we need to write. */
+	if (mask & sz_mask) {
+		trans = ((chan << 6) | addr) << (AHB_ADDR_LSB + 1);
+		trans |= ((uint64_t)wr_data << AHB_DATA_LSB);
+		trans |= AHB_WR;
+		qib_write_kreg(dd, KR_AHB_TRANS, trans);
+
+		for (tries = 1; tries < AHB_TRANS_TRIES; ++tries) {
+			trans = qib_read_kreg64(dd, KR_AHB_TRANS);
+			if (trans & AHB_TRANS_RDY)
+				break;
+		}
+		if (tries >= AHB_TRANS_TRIES) {
+			qib_dev_err(dd, "No Wr ahb_rdy in %d tries\n",
+				    AHB_TRANS_TRIES);
+			goto bail;
+		}
+	}
+	ret = wr_data;
+bail:
+	qib_write_kreg(dd, KR_AHB_ACC, prev_acc);
+	return ret;
+}
+
+static void ibsd_wr_allchans(struct qib_pportdata *ppd, int addr, unsigned data,
+			     unsigned mask)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int chan;
+	u32 rbc;
+
+	for (chan = 0; chan < SERDES_CHANS; ++chan) {
+		ahb_mod(dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)), addr,
+			data, mask);
+		rbc = ahb_mod(dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)),
+			      addr, 0, 0);
+	}
+}
+
+static int serdes_7322_init(struct qib_pportdata *ppd)
+{
+	u64 data;
+	u32 le_val;
+
+	/*
+	 * Initialize the Tx DDS tables.  Also done every QSFP event,
+	 * for adapters with QSFP
+	 */
+	init_txdds_table(ppd, 0);
+
+	/* Patch some SerDes defaults to "Better for IB" */
+	/* Timing Loop Bandwidth: cdr_timing[11:9] = 0 */
+	ibsd_wr_allchans(ppd, 2, 0, BMASK(11, 9));
+
+	/* Termination: rxtermctrl_r2d addr 11 bits [12:11] = 1 */
+	ibsd_wr_allchans(ppd, 11, (1 << 11), BMASK(12, 11));
+	/* Enable LE2: rxle2en_r2a addr 13 bit [6] = 1 */
+	ibsd_wr_allchans(ppd, 13, (1 << 6), (1 << 6));
+
+	/* May be overridden in qsfp_7322_event */
+	le_val = IS_QME(ppd->dd) ? LE2_QME : LE2_DEFAULT;
+	ibsd_wr_allchans(ppd, 13, (le_val << 7), BMASK(9, 7));
+
+	/* enable LE1 adaptation for all but QME, which is disabled */
+	le_val = IS_QME(ppd->dd) ? 0 : 1;
+	ibsd_wr_allchans(ppd, 13, (le_val << 5), (1 << 5));
+
+	/* Clear cmode-override, may be set from older driver */
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 10, 0 << 14, 1 << 14);
+
+	/* Timing Recovery: rxtapsel addr 5 bits [9:8] = 0 */
+	ibsd_wr_allchans(ppd, 5, (0 << 8), BMASK(9, 8));
+
+	/* setup LoS params; these are subsystem, so chan == 5 */
+	/* LoS filter threshold_count on, ch 0-3, set to 8 */
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 5, 8 << 11, BMASK(14, 11));
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 7, 8 << 4, BMASK(7, 4));
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 8, 8 << 11, BMASK(14, 11));
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 10, 8 << 4, BMASK(7, 4));
+
+	/* LoS filter threshold_count off, ch 0-3, set to 4 */
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 6, 4 << 0, BMASK(3, 0));
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 7, 4 << 8, BMASK(11, 8));
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 9, 4 << 0, BMASK(3, 0));
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 10, 4 << 8, BMASK(11, 8));
+
+	/* LoS filter select enabled */
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 9, 1 << 15, 1 << 15);
+
+	/* LoS target data:  SDR=4, DDR=2, QDR=1 */
+	ibsd_wr_allchans(ppd, 14, (1 << 3), BMASK(5, 3)); /* QDR */
+	ibsd_wr_allchans(ppd, 20, (2 << 10), BMASK(12, 10)); /* DDR */
+	ibsd_wr_allchans(ppd, 20, (4 << 13), BMASK(15, 13)); /* SDR */
+
+	data = qib_read_kreg_port(ppd, krp_serdesctrl);
+	qib_write_kreg_port(ppd, krp_serdesctrl, data |
+		SYM_MASK(IBSerdesCtrl_0, RXLOSEN));
+
+	/* rxbistena; set 0 to avoid effects of it switch later */
+	ibsd_wr_allchans(ppd, 9, 0 << 15, 1 << 15);
+
+	/* Configure 4 DFE taps, and only they adapt */
+	ibsd_wr_allchans(ppd, 16, 0 << 0, BMASK(1, 0));
+
+	/* gain hi stop 32 (22) (6:1) lo stop 7 (10:7) target 22 (13) (15:11) */
+	le_val = (ppd->dd->cspec->r1 || IS_QME(ppd->dd)) ? 0xb6c0 : 0x6bac;
+	ibsd_wr_allchans(ppd, 21, le_val, 0xfffe);
+
+	/*
+	 * Set receive adaptation mode.  SDR and DDR adaptation are
+	 * always on, and QDR is initially enabled; later disabled.
+	 */
+	qib_write_kreg_port(ppd, krp_static_adapt_dis(0), 0ULL);
+	qib_write_kreg_port(ppd, krp_static_adapt_dis(1), 0ULL);
+	qib_write_kreg_port(ppd, krp_static_adapt_dis(2),
+			    ppd->dd->cspec->r1 ?
+			    QDR_STATIC_ADAPT_DOWN_R1 : QDR_STATIC_ADAPT_DOWN);
+	ppd->cpspec->qdr_dfe_on = 1;
+
+	/* (FLoop LOS gate: PPM filter  enabled */
+	ibsd_wr_allchans(ppd, 38, 0 << 10, 1 << 10);
+
+	/* rx offset center enabled */
+	ibsd_wr_allchans(ppd, 12, 1 << 4, 1 << 4);
+
+	if (!ppd->dd->cspec->r1) {
+		ibsd_wr_allchans(ppd, 12, 1 << 12, 1 << 12);
+		ibsd_wr_allchans(ppd, 12, 2 << 8, 0x0f << 8);
+	}
+
+	/* Set the frequency loop bandwidth to 15 */
+	ibsd_wr_allchans(ppd, 2, 15 << 5, BMASK(8, 5));
+
+	return 0;
+}
+
+/* start adjust QMH serdes parameters */
+
+static void set_man_code(struct qib_pportdata *ppd, int chan, int code)
+{
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)),
+		9, code << 9, 0x3f << 9);
+}
+
+static void set_man_mode_h1(struct qib_pportdata *ppd, int chan,
+	int enable, u32 tapenable)
+{
+	if (enable)
+		ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)),
+			1, 3 << 10, 0x1f << 10);
+	else
+		ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)),
+			1, 0, 0x1f << 10);
+}
+
+/* Set clock to 1, 0, 1, 0 */
+static void clock_man(struct qib_pportdata *ppd, int chan)
+{
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)),
+		4, 0x4000, 0x4000);
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)),
+		4, 0, 0x4000);
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)),
+		4, 0x4000, 0x4000);
+	ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)),
+		4, 0, 0x4000);
+}
+
+/*
+ * write the current Tx serdes pre,post,main,amp settings into the serdes.
+ * The caller must pass the settings appropriate for the current speed,
+ * or not care if they are correct for the current speed.
+ */
+static void write_tx_serdes_param(struct qib_pportdata *ppd,
+				  struct txdds_ent *txdds)
+{
+	u64 deemph;
+
+	deemph = qib_read_kreg_port(ppd, krp_tx_deemph_override);
+	/* field names for amp, main, post, pre, respectively */
+	deemph &= ~(SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txampcntl_d2a) |
+		    SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txc0_ena) |
+		    SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txcp1_ena) |
+		    SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txcn1_ena));
+	deemph |= 1ULL << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				  tx_override_deemphasis_select);
+	deemph |= txdds->amp << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				    txampcntl_d2a);
+	deemph |= txdds->main << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				      txc0_ena);
+	deemph |= txdds->post << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				     txcp1_ena);
+	deemph |= txdds->pre << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				    txcn1_ena);
+	qib_write_kreg_port(ppd, krp_tx_deemph_override, deemph);
+}
+
+/*
+ * set per-bay, per channel parameters.  For now, we ignore
+ * do_tx, and always set tx parameters, and set them with the same value
+ * for all channels, using the channel 0 value.   We may switch to
+ * per-channel settings in the future, and that method only needs
+ * to be done once.
+ * Because this also writes the IBC txdds table with a single set
+ * of values, it should be called only for cases where we want to completely
+ * force a specific setting, typically only for mez cards.
+ */
+static void adj_tx_serdes(struct qib_pportdata *ppd)
+{
+	struct txdds_ent txdds;
+	int i;
+	u8 *amp, *pre, *mainv, *post;
+
+	/*
+	 * Because we use TX_DEEMPHASIS_OVERRIDE, we need to
+	 * always do tx side, just like H1, since it is cleared
+	 * by link down
+	 */
+	amp = ppd->cpspec->amp;
+	pre = ppd->cpspec->pre;
+	mainv = ppd->cpspec->mainv;
+	post = ppd->cpspec->post;
+
+	amp[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+			    txampcntl_d2a);
+	mainv[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+			      txc0_ena);
+	post[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+			     txcp1_ena);
+	pre[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+			    txcn1_ena);
+
+	/*
+	 * Use the channel zero values, only, for now, for
+	 * all channels
+	*/
+	txdds.amp = amp[0];
+	txdds.pre = pre[0];
+	txdds.main = mainv[0];
+	txdds.post = post[0];
+
+	/* write the QDR table for IBC use, as backup for link down */
+	for (i = 0; i < ARRAY_SIZE(txdds_qdr); ++i)
+		set_txdds(ppd, i + 32, &txdds);
+
+	write_tx_serdes_param(ppd, &txdds);
+}
+
+/* set QDR forced value for H1, if needed */
+static void force_h1(struct qib_pportdata *ppd)
+{
+	int chan;
+
+	ppd->cpspec->qdr_reforce = 0;
+	if (!ppd->dd->cspec->r1)
+		return;
+
+	for (chan = 0; chan < SERDES_CHANS; chan++) {
+		set_man_mode_h1(ppd, chan, 1, 0);
+		set_man_code(ppd, chan, ppd->cpspec->h1_val);
+		clock_man(ppd, chan);
+		set_man_mode_h1(ppd, chan, 0, 0);
+	}
+}
+
+/*
+ * Parse the parameters for the QMH7342, to get rx and tx serdes
+ * settings for that Bay, for both possible mez connectors (PCIe bus)
+ * and IB link (one link on mez1, two possible on mez2).
+ *
+ * Data is comma or white space separated.
+ *
+ * A set of data has 7 groups, rx and tx groups have SERDES_CHANS values,
+ * one per IB lane (serdes channel).
+ * The groups are Bay, bus# H1 rcv, and amp, pre, post, main Tx values (QDR).
+ * The Bay # is used only for debugging currently.
+ * H1 values are set whenever the link goes down, or is at cfg_test or
+ * cfg_wait_enh.  Tx values are programmed once, when this routine is called
+ * (and with default values at chip initialization).  Values are any base, in
+ * strtoul style, and values are seperated by comma, or any white space
+ * (space, tab, newline).
+ *
+ * An example set might look like this (white space vs
+ * comma used for human ease of reading)
+ * The ordering is a set of Bay# Bus# H1, amp, pre, post, and main for mez1 IB1,
+ * repeat for mez2 IB1, then mez2 IB2.
+ *
+ * B B H1:0       amp:0       pre:0        post: 0        main:0
+ * a u H1:  1     amp:  1     pre:  1      post:   1      main:  1
+ * y s H1:    2   amp:    2   pre:    2    post:      2   main:    2
+ *     H1:      4 amp:      3 pre:      3  post:        3 main:      3
+ * 1 3    8,6,5,6     0,0,0,0     1,1,1,1       10,10,10,10    3,3,3,3
+ * 1 6    7,6,6,7     0,0,0,0     1,1,1,1       10,10,10,10    3,3,3,3
+ * 1 6    9,7,7,8     0,0,0,0     1,1,1,1       10,10,10,10    3,3,3,3
+ */
+#define N_QMH_FIELDS 22
+static int setup_qmh_params(const char *str, struct kernel_param *kp)
+{
+	char *abuf, *v, *nv, *nvp;
+	struct qib_devdata *dd;
+	struct qib_pportdata *ppd;
+	u32 mez, vlen, nf, port, bay;
+	int ret = 0, found = 0;
+
+	vlen = strlen(str) + 1;
+	abuf = kmalloc(vlen, GFP_KERNEL);
+	if (!abuf) {
+		printk(KERN_INFO QIB_DRV_NAME
+		       " Unable to allocate QMH param buffer; ignoring\n");
+		return 0;
+	}
+	memcpy(abuf, str, vlen);
+	v = abuf;
+
+	/* these 3 are because gcc can't know they are set before used */
+	port = 1;
+	mez = 1; /* used only for debugging */
+	bay = 0; /* used only for debugging */
+	ppd = NULL;
+	for (nf = 0; (nv = strsep(&v, ", \t\n\r")) &&
+	     nf < (N_QMH_FIELDS * 3);) {
+		u32 val;
+
+		if (!*nv)
+			/* allow for multiple separators */
+			continue;
+
+		val = simple_strtoul(nv, &nvp, 0);
+		if (nv == nvp) {
+			printk(KERN_INFO QIB_DRV_NAME
+			       " Bay%u, mez%u IB%u non-numeric value (%s) "
+			       "field #%u, ignoring rest\n", bay, mez,
+			       port, nv, nf % (N_QMH_FIELDS * 3));
+			ret = -EINVAL;
+			goto bail;
+		}
+		if (!(nf % N_QMH_FIELDS)) {
+			ppd = NULL;
+			bay = val;
+			if (!bay || bay > 16) {
+				printk(KERN_INFO QIB_DRV_NAME
+				       " Invalid bay # %u, field %u, "
+				       "ignoring rest\n", bay, nf);
+				ret = -EINVAL;
+				goto bail;
+			}
+		} else if ((nf % N_QMH_FIELDS) == 1) {
+			u32 bus = val;
+			if (nf == 1) {
+				mez = 1;
+				port = 1;
+			} else if (nf == (N_QMH_FIELDS + 1)) {
+				mez = 2;
+				port = 1;
+			} else {
+				mez = 2;
+				port = 2;
+			}
+			list_for_each_entry(dd, &qib_dev_list, list) {
+				if (dd->deviceid != PCI_DEVICE_ID_QLOGIC_IB_7322
+				    || !IS_QMH(dd))
+					continue; /* only for QMH cards */
+				if (dd->pcidev->bus->number == bus) {
+					found++;
+					ppd = &dd->pport[port - 1];
+				}
+			}
+		} else if (ppd) {
+			u32 parm = (nf % N_QMH_FIELDS) - 2;
+			if (parm < SERDES_CHANS && !(parm % SERDES_CHANS))
+				ppd->cpspec->h1_val = val;
+			else if (parm < (2 * SERDES_CHANS))
+				ppd->cpspec->amp[parm % SERDES_CHANS] = val;
+			else if (parm < (3 * SERDES_CHANS))
+				ppd->cpspec->pre[parm % SERDES_CHANS] = val;
+			else if (parm < (4 * SERDES_CHANS))
+				ppd->cpspec->post[parm % SERDES_CHANS] = val;
+			else {
+				ppd->cpspec->mainv[parm % SERDES_CHANS] = val;
+				/* At the end of a port, set params */
+				if (parm == ((5 * SERDES_CHANS) - 1))
+					adj_tx_serdes(ppd);
+			}
+		}
+		nf++;
+	}
+	if (!found) {
+		printk(KERN_ERR QIB_DRV_NAME
+		       ": No match found for qmh_serdes_setup parameter\n");
+		ret = -EINVAL;
+	}
+bail:
+	kfree(abuf);
+	return ret;
+}
+
+/*
+ * Similarly for QME7342, but the format is simpler, values are the
+ * same for all mez card positions in a blade (2 or 4 per blade), but
+ * are different for some blades vs others, and we don't need to
+ * specify different parameters for different serdes channels or different
+ * IB ports.
+ * Format is: h1 amp,pre,post,main
+ * Alternate format (so ports can be different): Pport# h1 amp,pre,post,main
+ */
+#define N_QME_FIELDS 5
+static int setup_qme_params(const char *str, struct kernel_param *kp)
+{
+	char *abuf, *v, *nv, *nvp;
+	struct qib_devdata *dd;
+	u32 vlen, nf, port = 0;
+	u8 h1, tx[4]; /* amp, pre, post, main */
+	int ret =  -EINVAL;
+	char *seplist;
+
+	vlen = strlen(str) + 1;
+	abuf = kmalloc(vlen, GFP_KERNEL);
+	if (!abuf) {
+		printk(KERN_INFO QIB_DRV_NAME
+		       " Unable to allocate QME param buffer; ignoring\n");
+		return 0;
+	}
+	strncpy(abuf, str, vlen);
+
+	v = abuf;
+	seplist = " \t";
+	h1 = H1_FORCE_QME; /* gcc can't figure out always set before used */
+
+	for (nf = 0; (nv = strsep(&v, seplist)); ) {
+		u32 val;
+
+		if (!*nv)
+			/* allow for multiple separators */
+			continue;
+
+		if (!nf && *nv == 'P') {
+			/* alternate format with port */
+			val = simple_strtoul(++nv, &nvp, 0);
+			if (nv == nvp || port >= NUM_IB_PORTS) {
+				printk(KERN_INFO QIB_DRV_NAME
+				       " %s: non-numeric port value (%s) "
+				       "ignoring rest\n", __func__, nv);
+				goto done;
+			}
+			port = val;
+			continue; /* without incrementing nf */
+		}
+		val = simple_strtoul(nv, &nvp, 0);
+		if (nv == nvp) {
+			printk(KERN_INFO QIB_DRV_NAME
+			       " %s: non-numeric value (%s) "
+			       "field #%u, ignoring rest\n", __func__,
+			       nv, nf);
+			goto done;
+		}
+		if (!nf) {
+			h1 = val;
+			seplist = ",";
+		} else
+			tx[nf - 1] = val;
+		if (++nf == N_QME_FIELDS) {
+			list_for_each_entry(dd, &qib_dev_list, list) {
+				int pidx, i;
+				if (dd->deviceid != PCI_DEVICE_ID_QLOGIC_IB_7322
+				    || !IS_QME(dd))
+					continue; /* only for QME cards */
+				for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+					struct qib_pportdata *ppd;
+					ppd = &dd->pport[pidx];
+					if ((port && ppd->port != port) ||
+						!ppd->link_speed_supported)
+						continue;
+					ppd->cpspec->h1_val = h1;
+					for (i = 0; i < SERDES_CHANS; i++) {
+						ppd->cpspec->amp[i] = tx[0];
+						ppd->cpspec->pre[i] = tx[1];
+						ppd->cpspec->post[i] = tx[2];
+						ppd->cpspec->mainv[i] = tx[3];
+					}
+					adj_tx_serdes(ppd);
+				}
+			}
+			ret = 0;
+			goto done;
+		}
+	}
+	printk(KERN_INFO QIB_DRV_NAME
+	       " %s: Only %u of %u fields provided, skipping\n",
+	       __func__, nf, N_QME_FIELDS);
+done:
+	kfree(abuf);
+	return ret;
+}
+
+#define SJA_EN SYM_MASK(SPC_JTAG_ACCESS_REG, SPC_JTAG_ACCESS_EN)
+#define BISTEN_LSB SYM_LSB(SPC_JTAG_ACCESS_REG, bist_en)
+
+#define R_OPCODE_LSB 3
+#define R_OP_NOP 0
+#define R_OP_SHIFT 2
+#define R_OP_UPDATE 3
+#define R_TDI_LSB 2
+#define R_TDO_LSB 1
+#define R_RDY 1
+
+static int qib_r_grab(struct qib_devdata *dd)
+{
+	u64 val;
+	val = SJA_EN;
+	qib_write_kreg(dd, kr_r_access, val);
+	qib_read_kreg32(dd, kr_scratch);
+	return 0;
+}
+
+/* qib_r_wait_for_rdy() not only waits for the ready bit, it
+ * returns the current state of R_TDO
+ */
+static int qib_r_wait_for_rdy(struct qib_devdata *dd)
+{
+	u64 val;
+	int timeout;
+	for (timeout = 0; timeout < 100 ; ++timeout) {
+		val = qib_read_kreg32(dd, kr_r_access);
+		if (val & R_RDY)
+			return (val >> R_TDO_LSB) & 1;
+	}
+	return -1;
+}
+
+static int qib_r_shift(struct qib_devdata *dd, int bisten,
+		       int len, u8 *inp, u8 *outp)
+{
+	u64 valbase, val;
+	int ret, pos;
+
+	valbase = SJA_EN | (bisten << BISTEN_LSB) |
+		(R_OP_SHIFT << R_OPCODE_LSB);
+	ret = qib_r_wait_for_rdy(dd);
+	if (ret < 0)
+		goto bail;
+	for (pos = 0; pos < len; ++pos) {
+		val = valbase;
+		if (outp) {
+			outp[pos >> 3] &= ~(1 << (pos & 7));
+			outp[pos >> 3] |= (ret << (pos & 7));
+		}
+		if (inp) {
+			int tdi = inp[pos >> 3] >> (pos & 7);
+			val |= ((tdi & 1) << R_TDI_LSB);
+		}
+		qib_write_kreg(dd, kr_r_access, val);
+		qib_read_kreg32(dd, kr_scratch);
+		ret = qib_r_wait_for_rdy(dd);
+		if (ret < 0)
+			break;
+	}
+	/* Restore to NOP between operations. */
+	val =  SJA_EN | (bisten << BISTEN_LSB);
+	qib_write_kreg(dd, kr_r_access, val);
+	qib_read_kreg32(dd, kr_scratch);
+	ret = qib_r_wait_for_rdy(dd);
+
+	if (ret >= 0)
+		ret = pos;
+bail:
+	return ret;
+}
+
+static int qib_r_update(struct qib_devdata *dd, int bisten)
+{
+	u64 val;
+	int ret;
+
+	val = SJA_EN | (bisten << BISTEN_LSB) | (R_OP_UPDATE << R_OPCODE_LSB);
+	ret = qib_r_wait_for_rdy(dd);
+	if (ret >= 0) {
+		qib_write_kreg(dd, kr_r_access, val);
+		qib_read_kreg32(dd, kr_scratch);
+	}
+	return ret;
+}
+
+#define BISTEN_PORT_SEL 15
+#define LEN_PORT_SEL 625
+#define BISTEN_AT 17
+#define LEN_AT 156
+#define BISTEN_ETM 16
+#define LEN_ETM 632
+
+#define BIT2BYTE(x) (((x) +  BITS_PER_BYTE - 1) / BITS_PER_BYTE)
+
+/* these are common for all IB port use cases. */
+static u8 reset_at[BIT2BYTE(LEN_AT)] = {
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00,
+};
+static u8 reset_atetm[BIT2BYTE(LEN_ETM)] = {
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x80, 0xe3, 0x81, 0x73, 0x3c, 0x70, 0x8e,
+	0x07, 0xce, 0xf1, 0xc0, 0x39, 0x1e, 0x38, 0xc7, 0x03, 0xe7,
+	0x78, 0xe0, 0x1c, 0x0f, 0x9c, 0x7f, 0x80, 0x73, 0x0f, 0x70,
+	0xde, 0x01, 0xce, 0x39, 0xc0, 0xf9, 0x06, 0x38, 0xd7, 0x00,
+	0xe7, 0x19, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
+};
+static u8 at[BIT2BYTE(LEN_AT)] = {
+	0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00,
+};
+
+/* used for IB1 or IB2, only one in use */
+static u8 atetm_1port[BIT2BYTE(LEN_ETM)] = {
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x10, 0xf2, 0x80, 0x83, 0x1e, 0x38, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x50, 0xf4, 0x41, 0x00, 0x18, 0x78, 0xc8, 0x03,
+	0x07, 0x7b, 0xa0, 0x3e, 0x00, 0x02, 0x00, 0x00, 0x18, 0x00,
+	0x18, 0x00, 0x00, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x00,
+};
+
+/* used when both IB1 and IB2 are in use */
+static u8 atetm_2port[BIT2BYTE(LEN_ETM)] = {
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79,
+	0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0xf8, 0x80, 0x83, 0x1e, 0x38, 0xe0, 0x03, 0x05,
+	0x7b, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
+	0xa2, 0x0f, 0x50, 0xf4, 0x41, 0x00, 0x18, 0x78, 0xd1, 0x07,
+	0x02, 0x7c, 0x80, 0x3e, 0x00, 0x02, 0x00, 0x00, 0x3e, 0x00,
+	0x02, 0x00, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00,
+};
+
+/* used when only IB1 is in use */
+static u8 portsel_port1[BIT2BYTE(LEN_PORT_SEL)] = {
+	0x32, 0x65, 0xa4, 0x7b, 0x10, 0x98, 0xdc, 0xfe, 0x13, 0x13,
+	0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x73, 0x0c, 0x0c, 0x0c,
+	0x0c, 0x0c, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13,
+	0x13, 0x78, 0x78, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13,
+	0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x74, 0x32,
+	0x32, 0x32, 0x32, 0x32, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14,
+	0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14,
+	0x14, 0x14, 0x9f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+/* used when only IB2 is in use */
+static u8 portsel_port2[BIT2BYTE(LEN_PORT_SEL)] = {
+	0x32, 0x65, 0xa4, 0x7b, 0x10, 0x98, 0xdc, 0xfe, 0x39, 0x39,
+	0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x73, 0x32, 0x32, 0x32,
+	0x32, 0x32, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39,
+	0x39, 0x78, 0x78, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39, 0x39,
+	0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x74, 0x32,
+	0x32, 0x32, 0x32, 0x32, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a,
+	0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a,
+	0x3a, 0x3a, 0x9f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01,
+};
+
+/* used when both IB1 and IB2 are in use */
+static u8 portsel_2port[BIT2BYTE(LEN_PORT_SEL)] = {
+	0x32, 0xba, 0x54, 0x76, 0x10, 0x98, 0xdc, 0xfe, 0x13, 0x13,
+	0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x73, 0x0c, 0x0c, 0x0c,
+	0x0c, 0x0c, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13,
+	0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13,
+	0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x74, 0x32,
+	0x32, 0x32, 0x32, 0x32, 0x14, 0x14, 0x14, 0x14, 0x14, 0x3a,
+	0x3a, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14,
+	0x14, 0x14, 0x9f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+/*
+ * Do setup to properly handle IB link recovery; if port is zero, we
+ * are initializing to cover both ports; otherwise we are initializing
+ * to cover a single port card, or the port has reached INIT and we may
+ * need to switch coverage types.
+ */
+static void setup_7322_link_recovery(struct qib_pportdata *ppd, u32 both)
+{
+	u8 *portsel, *etm;
+	struct qib_devdata *dd = ppd->dd;
+
+	if (!ppd->dd->cspec->r1)
+		return;
+	if (!both) {
+		dd->cspec->recovery_ports_initted++;
+		ppd->cpspec->recovery_init = 1;
+	}
+	if (!both && dd->cspec->recovery_ports_initted == 1) {
+		portsel = ppd->port == 1 ? portsel_port1 : portsel_port2;
+		etm = atetm_1port;
+	} else {
+		portsel = portsel_2port;
+		etm = atetm_2port;
+	}
+
+	if (qib_r_grab(dd) < 0 ||
+		qib_r_shift(dd, BISTEN_ETM, LEN_ETM, reset_atetm, NULL) < 0 ||
+		qib_r_update(dd, BISTEN_ETM) < 0 ||
+		qib_r_shift(dd, BISTEN_AT, LEN_AT, reset_at, NULL) < 0 ||
+		qib_r_update(dd, BISTEN_AT) < 0 ||
+		qib_r_shift(dd, BISTEN_PORT_SEL, LEN_PORT_SEL,
+			    portsel, NULL) < 0 ||
+		qib_r_update(dd, BISTEN_PORT_SEL) < 0 ||
+		qib_r_shift(dd, BISTEN_AT, LEN_AT, at, NULL) < 0 ||
+		qib_r_update(dd, BISTEN_AT) < 0 ||
+		qib_r_shift(dd, BISTEN_ETM, LEN_ETM, etm, NULL) < 0 ||
+		qib_r_update(dd, BISTEN_ETM) < 0)
+		qib_dev_err(dd, "Failed IB link recovery setup\n");
+}
+
+static void check_7322_rxe_status(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u64 fmask;
+
+	if (dd->cspec->recovery_ports_initted != 1)
+		return; /* rest doesn't apply to dualport */
+	qib_write_kreg(dd, kr_control, dd->control |
+		       SYM_MASK(Control, FreezeMode));
+	(void)qib_read_kreg64(dd, kr_scratch);
+	udelay(3); /* ibcreset asserted 400ns, be sure that's over */
+	fmask = qib_read_kreg64(dd, kr_act_fmask);
+	if (!fmask) {
+		/*
+		 * require a powercycle before we'll work again, and make
+		 * sure we get no more interrupts, and don't turn off
+		 * freeze.
+		 */
+		ppd->dd->cspec->stay_in_freeze = 1;
+		qib_7322_set_intr_state(ppd->dd, 0);
+		qib_write_kreg(dd, kr_fmask, 0ULL);
+		qib_dev_err(dd, "HCA unusable until powercycled\n");
+		return; /* eventually reset */
+	}
+
+	qib_write_kreg(ppd->dd, kr_hwerrclear,
+	    SYM_MASK(HwErrClear, IBSerdesPClkNotDetectClear_1));
+
+	/* don't do the full clear_freeze(), not needed for this */
+	qib_write_kreg(dd, kr_control, dd->control);
+	qib_read_kreg32(dd, kr_scratch);
+	/* take IBC out of reset */
+	if (ppd->link_speed_supported) {
+		ppd->cpspec->ibcctrl_a &=
+			~SYM_MASK(IBCCtrlA_0, IBStatIntReductionEn);
+		qib_write_kreg_port(ppd, krp_ibcctrl_a,
+				    ppd->cpspec->ibcctrl_a);
+		qib_read_kreg32(dd, kr_scratch);
+		if (ppd->lflags & QIBL_IB_LINK_DISABLED)
+			qib_set_ib_7322_lstate(ppd, 0,
+				QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
+	}
+}
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
new file mode 100644
index 00000000000..c0139c07e97
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -0,0 +1,1580 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+#include <linux/idr.h>
+
+#include "qib.h"
+#include "qib_common.h"
+
+/*
+ * min buffers we want to have per context, after driver
+ */
+#define QIB_MIN_USER_CTXT_BUFCNT 7
+
+#define QLOGIC_IB_R_SOFTWARE_MASK 0xFF
+#define QLOGIC_IB_R_SOFTWARE_SHIFT 24
+#define QLOGIC_IB_R_EMULATOR_MASK (1ULL<<62)
+
+/*
+ * Number of ctxts we are configured to use (to allow for more pio
+ * buffers per ctxt, etc.)  Zero means use chip value.
+ */
+ushort qib_cfgctxts;
+module_param_named(cfgctxts, qib_cfgctxts, ushort, S_IRUGO);
+MODULE_PARM_DESC(cfgctxts, "Set max number of contexts to use");
+
+/*
+ * If set, do not write to any regs if avoidable, hack to allow
+ * check for deranged default register values.
+ */
+ushort qib_mini_init;
+module_param_named(mini_init, qib_mini_init, ushort, S_IRUGO);
+MODULE_PARM_DESC(mini_init, "If set, do minimal diag init");
+
+unsigned qib_n_krcv_queues;
+module_param_named(krcvqs, qib_n_krcv_queues, uint, S_IRUGO);
+MODULE_PARM_DESC(krcvqs, "number of kernel receive queues per IB port");
+
+/*
+ * qib_wc_pat parameter:
+ *      0 is WC via MTRR
+ *      1 is WC via PAT
+ *      If PAT initialization fails, code reverts back to MTRR
+ */
+unsigned qib_wc_pat = 1; /* default (1) is to use PAT, not MTRR */
+module_param_named(wc_pat, qib_wc_pat, uint, S_IRUGO);
+MODULE_PARM_DESC(wc_pat, "enable write-combining via PAT mechanism");
+
+struct workqueue_struct *qib_wq;
+struct workqueue_struct *qib_cq_wq;
+
+static void verify_interrupt(unsigned long);
+
+static struct idr qib_unit_table;
+u32 qib_cpulist_count;
+unsigned long *qib_cpulist;
+
+/* set number of contexts we'll actually use */
+void qib_set_ctxtcnt(struct qib_devdata *dd)
+{
+	if (!qib_cfgctxts)
+		dd->cfgctxts = dd->ctxtcnt;
+	else if (qib_cfgctxts < dd->num_pports)
+		dd->cfgctxts = dd->ctxtcnt;
+	else if (qib_cfgctxts <= dd->ctxtcnt)
+		dd->cfgctxts = qib_cfgctxts;
+	else
+		dd->cfgctxts = dd->ctxtcnt;
+}
+
+/*
+ * Common code for creating the receive context array.
+ */
+int qib_create_ctxts(struct qib_devdata *dd)
+{
+	unsigned i;
+	int ret;
+
+	/*
+	 * Allocate full ctxtcnt array, rather than just cfgctxts, because
+	 * cleanup iterates across all possible ctxts.
+	 */
+	dd->rcd = kzalloc(sizeof(*dd->rcd) * dd->ctxtcnt, GFP_KERNEL);
+	if (!dd->rcd) {
+		qib_dev_err(dd, "Unable to allocate ctxtdata array, "
+			    "failing\n");
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	/* create (one or more) kctxt */
+	for (i = 0; i < dd->first_user_ctxt; ++i) {
+		struct qib_pportdata *ppd;
+		struct qib_ctxtdata *rcd;
+
+		if (dd->skip_kctxt_mask & (1 << i))
+			continue;
+
+		ppd = dd->pport + (i % dd->num_pports);
+		rcd = qib_create_ctxtdata(ppd, i);
+		if (!rcd) {
+			qib_dev_err(dd, "Unable to allocate ctxtdata"
+				    " for Kernel ctxt, failing\n");
+			ret = -ENOMEM;
+			goto done;
+		}
+		rcd->pkeys[0] = QIB_DEFAULT_P_KEY;
+		rcd->seq_cnt = 1;
+	}
+	ret = 0;
+done:
+	return ret;
+}
+
+/*
+ * Common code for user and kernel context setup.
+ */
+struct qib_ctxtdata *qib_create_ctxtdata(struct qib_pportdata *ppd, u32 ctxt)
+{
+	struct qib_devdata *dd = ppd->dd;
+	struct qib_ctxtdata *rcd;
+
+	rcd = kzalloc(sizeof(*rcd), GFP_KERNEL);
+	if (rcd) {
+		INIT_LIST_HEAD(&rcd->qp_wait_list);
+		rcd->ppd = ppd;
+		rcd->dd = dd;
+		rcd->cnt = 1;
+		rcd->ctxt = ctxt;
+		dd->rcd[ctxt] = rcd;
+
+		dd->f_init_ctxt(rcd);
+
+		/*
+		 * To avoid wasting a lot of memory, we allocate 32KB chunks
+		 * of physically contiguous memory, advance through it until
+		 * used up and then allocate more.  Of course, we need
+		 * memory to store those extra pointers, now.  32KB seems to
+		 * be the most that is "safe" under memory pressure
+		 * (creating large files and then copying them over
+		 * NFS while doing lots of MPI jobs).  The OOM killer can
+		 * get invoked, even though we say we can sleep and this can
+		 * cause significant system problems....
+		 */
+		rcd->rcvegrbuf_size = 0x8000;
+		rcd->rcvegrbufs_perchunk =
+			rcd->rcvegrbuf_size / dd->rcvegrbufsize;
+		rcd->rcvegrbuf_chunks = (rcd->rcvegrcnt +
+			rcd->rcvegrbufs_perchunk - 1) /
+			rcd->rcvegrbufs_perchunk;
+	}
+	return rcd;
+}
+
+/*
+ * Common code for initializing the physical port structure.
+ */
+void qib_init_pportdata(struct qib_pportdata *ppd, struct qib_devdata *dd,
+			u8 hw_pidx, u8 port)
+{
+	ppd->dd = dd;
+	ppd->hw_pidx = hw_pidx;
+	ppd->port = port; /* IB port number, not index */
+
+	spin_lock_init(&ppd->sdma_lock);
+	spin_lock_init(&ppd->lflags_lock);
+	init_waitqueue_head(&ppd->state_wait);
+
+	init_timer(&ppd->symerr_clear_timer);
+	ppd->symerr_clear_timer.function = qib_clear_symerror_on_linkup;
+	ppd->symerr_clear_timer.data = (unsigned long)ppd;
+}
+
+static int init_pioavailregs(struct qib_devdata *dd)
+{
+	int ret, pidx;
+	u64 *status_page;
+
+	dd->pioavailregs_dma = dma_alloc_coherent(
+		&dd->pcidev->dev, PAGE_SIZE, &dd->pioavailregs_phys,
+		GFP_KERNEL);
+	if (!dd->pioavailregs_dma) {
+		qib_dev_err(dd, "failed to allocate PIOavail reg area "
+			    "in memory\n");
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	/*
+	 * We really want L2 cache aligned, but for current CPUs of
+	 * interest, they are the same.
+	 */
+	status_page = (u64 *)
+		((char *) dd->pioavailregs_dma +
+		 ((2 * L1_CACHE_BYTES +
+		   dd->pioavregs * sizeof(u64)) & ~L1_CACHE_BYTES));
+	/* device status comes first, for backwards compatibility */
+	dd->devstatusp = status_page;
+	*status_page++ = 0;
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		dd->pport[pidx].statusp = status_page;
+		*status_page++ = 0;
+	}
+
+	/*
+	 * Setup buffer to hold freeze and other messages, accessible to
+	 * apps, following statusp.  This is per-unit, not per port.
+	 */
+	dd->freezemsg = (char *) status_page;
+	*dd->freezemsg = 0;
+	/* length of msg buffer is "whatever is left" */
+	ret = (char *) status_page - (char *) dd->pioavailregs_dma;
+	dd->freezelen = PAGE_SIZE - ret;
+
+	ret = 0;
+
+done:
+	return ret;
+}
+
+/**
+ * init_shadow_tids - allocate the shadow TID array
+ * @dd: the qlogic_ib device
+ *
+ * allocate the shadow TID array, so we can qib_munlock previous
+ * entries.  It may make more sense to move the pageshadow to the
+ * ctxt data structure, so we only allocate memory for ctxts actually
+ * in use, since we at 8k per ctxt, now.
+ * We don't want failures here to prevent use of the driver/chip,
+ * so no return value.
+ */
+static void init_shadow_tids(struct qib_devdata *dd)
+{
+	struct page **pages;
+	dma_addr_t *addrs;
+
+	pages = vmalloc(dd->cfgctxts * dd->rcvtidcnt * sizeof(struct page *));
+	if (!pages) {
+		qib_dev_err(dd, "failed to allocate shadow page * "
+			    "array, no expected sends!\n");
+		goto bail;
+	}
+
+	addrs = vmalloc(dd->cfgctxts * dd->rcvtidcnt * sizeof(dma_addr_t));
+	if (!addrs) {
+		qib_dev_err(dd, "failed to allocate shadow dma handle "
+			    "array, no expected sends!\n");
+		goto bail_free;
+	}
+
+	memset(pages, 0, dd->cfgctxts * dd->rcvtidcnt * sizeof(struct page *));
+	memset(addrs, 0, dd->cfgctxts * dd->rcvtidcnt * sizeof(dma_addr_t));
+
+	dd->pageshadow = pages;
+	dd->physshadow = addrs;
+	return;
+
+bail_free:
+	vfree(pages);
+bail:
+	dd->pageshadow = NULL;
+}
+
+/*
+ * Do initialization for device that is only needed on
+ * first detect, not on resets.
+ */
+static int loadtime_init(struct qib_devdata *dd)
+{
+	int ret = 0;
+
+	if (((dd->revision >> QLOGIC_IB_R_SOFTWARE_SHIFT) &
+	     QLOGIC_IB_R_SOFTWARE_MASK) != QIB_CHIP_SWVERSION) {
+		qib_dev_err(dd, "Driver only handles version %d, "
+			    "chip swversion is %d (%llx), failng\n",
+			    QIB_CHIP_SWVERSION,
+			    (int)(dd->revision >>
+				QLOGIC_IB_R_SOFTWARE_SHIFT) &
+			    QLOGIC_IB_R_SOFTWARE_MASK,
+			    (unsigned long long) dd->revision);
+		ret = -ENOSYS;
+		goto done;
+	}
+
+	if (dd->revision & QLOGIC_IB_R_EMULATOR_MASK)
+		qib_devinfo(dd->pcidev, "%s", dd->boardversion);
+
+	spin_lock_init(&dd->pioavail_lock);
+	spin_lock_init(&dd->sendctrl_lock);
+	spin_lock_init(&dd->uctxt_lock);
+	spin_lock_init(&dd->qib_diag_trans_lock);
+	spin_lock_init(&dd->eep_st_lock);
+	mutex_init(&dd->eep_lock);
+
+	if (qib_mini_init)
+		goto done;
+
+	ret = init_pioavailregs(dd);
+	init_shadow_tids(dd);
+
+	qib_get_eeprom_info(dd);
+
+	/* setup time (don't start yet) to verify we got interrupt */
+	init_timer(&dd->intrchk_timer);
+	dd->intrchk_timer.function = verify_interrupt;
+	dd->intrchk_timer.data = (unsigned long) dd;
+
+done:
+	return ret;
+}
+
+/**
+ * init_after_reset - re-initialize after a reset
+ * @dd: the qlogic_ib device
+ *
+ * sanity check at least some of the values after reset, and
+ * ensure no receive or transmit (explictly, in case reset
+ * failed
+ */
+static int init_after_reset(struct qib_devdata *dd)
+{
+	int i;
+
+	/*
+	 * Ensure chip does no sends or receives, tail updates, or
+	 * pioavail updates while we re-initialize.  This is mostly
+	 * for the driver data structures, not chip registers.
+	 */
+	for (i = 0; i < dd->num_pports; ++i) {
+		/*
+		 * ctxt == -1 means "all contexts". Only really safe for
+		 * _dis_abling things, as here.
+		 */
+		dd->f_rcvctrl(dd->pport + i, QIB_RCVCTRL_CTXT_DIS |
+				  QIB_RCVCTRL_INTRAVAIL_DIS |
+				  QIB_RCVCTRL_TAILUPD_DIS, -1);
+		/* Redundant across ports for some, but no big deal.  */
+		dd->f_sendctrl(dd->pport + i, QIB_SENDCTRL_SEND_DIS |
+			QIB_SENDCTRL_AVAIL_DIS);
+	}
+
+	return 0;
+}
+
+static void enable_chip(struct qib_devdata *dd)
+{
+	u64 rcvmask;
+	int i;
+
+	/*
+	 * Enable PIO send, and update of PIOavail regs to memory.
+	 */
+	for (i = 0; i < dd->num_pports; ++i)
+		dd->f_sendctrl(dd->pport + i, QIB_SENDCTRL_SEND_ENB |
+			QIB_SENDCTRL_AVAIL_ENB);
+	/*
+	 * Enable kernel ctxts' receive and receive interrupt.
+	 * Other ctxts done as user opens and inits them.
+	 */
+	rcvmask = QIB_RCVCTRL_CTXT_ENB | QIB_RCVCTRL_INTRAVAIL_ENB;
+	rcvmask |= (dd->flags & QIB_NODMA_RTAIL) ?
+		  QIB_RCVCTRL_TAILUPD_DIS : QIB_RCVCTRL_TAILUPD_ENB;
+	for (i = 0; dd->rcd && i < dd->first_user_ctxt; ++i) {
+		struct qib_ctxtdata *rcd = dd->rcd[i];
+
+		if (rcd)
+			dd->f_rcvctrl(rcd->ppd, rcvmask, i);
+	}
+}
+
+static void verify_interrupt(unsigned long opaque)
+{
+	struct qib_devdata *dd = (struct qib_devdata *) opaque;
+
+	if (!dd)
+		return; /* being torn down */
+
+	/*
+	 * If we don't have a lid or any interrupts, let the user know and
+	 * don't bother checking again.
+	 */
+	if (dd->int_counter == 0) {
+		if (!dd->f_intr_fallback(dd))
+			dev_err(&dd->pcidev->dev, "No interrupts detected, "
+				"not usable.\n");
+		else /* re-arm the timer to see if fallback works */
+			mod_timer(&dd->intrchk_timer, jiffies + HZ/2);
+	}
+}
+
+static void init_piobuf_state(struct qib_devdata *dd)
+{
+	int i, pidx;
+	u32 uctxts;
+
+	/*
+	 * Ensure all buffers are free, and fifos empty.  Buffers
+	 * are common, so only do once for port 0.
+	 *
+	 * After enable and qib_chg_pioavailkernel so we can safely
+	 * enable pioavail updates and PIOENABLE.  After this, packets
+	 * are ready and able to go out.
+	 */
+	dd->f_sendctrl(dd->pport, QIB_SENDCTRL_DISARM_ALL);
+	for (pidx = 0; pidx < dd->num_pports; ++pidx)
+		dd->f_sendctrl(dd->pport + pidx, QIB_SENDCTRL_FLUSH);
+
+	/*
+	 * If not all sendbufs are used, add the one to each of the lower
+	 * numbered contexts.  pbufsctxt and lastctxt_piobuf are
+	 * calculated in chip-specific code because it may cause some
+	 * chip-specific adjustments to be made.
+	 */
+	uctxts = dd->cfgctxts - dd->first_user_ctxt;
+	dd->ctxts_extrabuf = dd->pbufsctxt ?
+		dd->lastctxt_piobuf - (dd->pbufsctxt * uctxts) : 0;
+
+	/*
+	 * Set up the shadow copies of the piobufavail registers,
+	 * which we compare against the chip registers for now, and
+	 * the in memory DMA'ed copies of the registers.
+	 * By now pioavail updates to memory should have occurred, so
+	 * copy them into our working/shadow registers; this is in
+	 * case something went wrong with abort, but mostly to get the
+	 * initial values of the generation bit correct.
+	 */
+	for (i = 0; i < dd->pioavregs; i++) {
+		__le64 tmp;
+
+		tmp = dd->pioavailregs_dma[i];
+		/*
+		 * Don't need to worry about pioavailkernel here
+		 * because we will call qib_chg_pioavailkernel() later
+		 * in initialization, to busy out buffers as needed.
+		 */
+		dd->pioavailshadow[i] = le64_to_cpu(tmp);
+	}
+	while (i < ARRAY_SIZE(dd->pioavailshadow))
+		dd->pioavailshadow[i++] = 0; /* for debugging sanity */
+
+	/* after pioavailshadow is setup */
+	qib_chg_pioavailkernel(dd, 0, dd->piobcnt2k + dd->piobcnt4k,
+			       TXCHK_CHG_TYPE_KERN, NULL);
+	dd->f_initvl15_bufs(dd);
+}
+
+/**
+ * qib_init - do the actual initialization sequence on the chip
+ * @dd: the qlogic_ib device
+ * @reinit: reinitializing, so don't allocate new memory
+ *
+ * Do the actual initialization sequence on the chip.  This is done
+ * both from the init routine called from the PCI infrastructure, and
+ * when we reset the chip, or detect that it was reset internally,
+ * or it's administratively re-enabled.
+ *
+ * Memory allocation here and in called routines is only done in
+ * the first case (reinit == 0).  We have to be careful, because even
+ * without memory allocation, we need to re-write all the chip registers
+ * TIDs, etc. after the reset or enable has completed.
+ */
+int qib_init(struct qib_devdata *dd, int reinit)
+{
+	int ret = 0, pidx, lastfail = 0;
+	u32 portok = 0;
+	unsigned i;
+	struct qib_ctxtdata *rcd;
+	struct qib_pportdata *ppd;
+	unsigned long flags;
+
+	/* Set linkstate to unknown, so we can watch for a transition. */
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		ppd = dd->pport + pidx;
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~(QIBL_LINKACTIVE | QIBL_LINKARMED |
+				 QIBL_LINKDOWN | QIBL_LINKINIT |
+				 QIBL_LINKV);
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+	}
+
+	if (reinit)
+		ret = init_after_reset(dd);
+	else
+		ret = loadtime_init(dd);
+	if (ret)
+		goto done;
+
+	/* Bypass most chip-init, to get to device creation */
+	if (qib_mini_init)
+		return 0;
+
+	ret = dd->f_late_initreg(dd);
+	if (ret)
+		goto done;
+
+	/* dd->rcd can be NULL if early init failed */
+	for (i = 0; dd->rcd && i < dd->first_user_ctxt; ++i) {
+		/*
+		 * Set up the (kernel) rcvhdr queue and egr TIDs.  If doing
+		 * re-init, the simplest way to handle this is to free
+		 * existing, and re-allocate.
+		 * Need to re-create rest of ctxt 0 ctxtdata as well.
+		 */
+		rcd = dd->rcd[i];
+		if (!rcd)
+			continue;
+
+		lastfail = qib_create_rcvhdrq(dd, rcd);
+		if (!lastfail)
+			lastfail = qib_setup_eagerbufs(rcd);
+		if (lastfail) {
+			qib_dev_err(dd, "failed to allocate kernel ctxt's "
+				    "rcvhdrq and/or egr bufs\n");
+			continue;
+		}
+	}
+
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		int mtu;
+		if (lastfail)
+			ret = lastfail;
+		ppd = dd->pport + pidx;
+		mtu = ib_mtu_enum_to_int(qib_ibmtu);
+		if (mtu == -1) {
+			mtu = QIB_DEFAULT_MTU;
+			qib_ibmtu = 0; /* don't leave invalid value */
+		}
+		/* set max we can ever have for this driver load */
+		ppd->init_ibmaxlen = min(mtu > 2048 ?
+					 dd->piosize4k : dd->piosize2k,
+					 dd->rcvegrbufsize +
+					 (dd->rcvhdrentsize << 2));
+		/*
+		 * Have to initialize ibmaxlen, but this will normally
+		 * change immediately in qib_set_mtu().
+		 */
+		ppd->ibmaxlen = ppd->init_ibmaxlen;
+		qib_set_mtu(ppd, mtu);
+
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags |= QIBL_IB_LINK_DISABLED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+
+		lastfail = dd->f_bringup_serdes(ppd);
+		if (lastfail) {
+			qib_devinfo(dd->pcidev,
+				 "Failed to bringup IB port %u\n", ppd->port);
+			lastfail = -ENETDOWN;
+			continue;
+		}
+
+		/* let link come up, and enable IBC */
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~QIBL_IB_LINK_DISABLED;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		portok++;
+	}
+
+	if (!portok) {
+		/* none of the ports initialized */
+		if (!ret && lastfail)
+			ret = lastfail;
+		else if (!ret)
+			ret = -ENETDOWN;
+		/* but continue on, so we can debug cause */
+	}
+
+	enable_chip(dd);
+
+	init_piobuf_state(dd);
+
+done:
+	if (!ret) {
+		/* chip is OK for user apps; mark it as initialized */
+		for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+			ppd = dd->pport + pidx;
+			/*
+			 * Set status even if port serdes is not initialized
+			 * so that diags will work.
+			 */
+			*ppd->statusp |= QIB_STATUS_CHIP_PRESENT |
+				QIB_STATUS_INITTED;
+			if (!ppd->link_speed_enabled)
+				continue;
+			if (dd->flags & QIB_HAS_SEND_DMA)
+				ret = qib_setup_sdma(ppd);
+			init_timer(&ppd->hol_timer);
+			ppd->hol_timer.function = qib_hol_event;
+			ppd->hol_timer.data = (unsigned long)ppd;
+			ppd->hol_state = QIB_HOL_UP;
+		}
+
+		/* now we can enable all interrupts from the chip */
+		dd->f_set_intr_state(dd, 1);
+
+		/*
+		 * Setup to verify we get an interrupt, and fallback
+		 * to an alternate if necessary and possible.
+		 */
+		mod_timer(&dd->intrchk_timer, jiffies + HZ/2);
+		/* start stats retrieval timer */
+		mod_timer(&dd->stats_timer, jiffies + HZ * ACTIVITY_TIMER);
+	}
+
+	/* if ret is non-zero, we probably should do some cleanup here... */
+	return ret;
+}
+
+/*
+ * These next two routines are placeholders in case we don't have per-arch
+ * code for controlling write combining.  If explicit control of write
+ * combining is not available, performance will probably be awful.
+ */
+
+int __attribute__((weak)) qib_enable_wc(struct qib_devdata *dd)
+{
+	return -EOPNOTSUPP;
+}
+
+void __attribute__((weak)) qib_disable_wc(struct qib_devdata *dd)
+{
+}
+
+static inline struct qib_devdata *__qib_lookup(int unit)
+{
+	return idr_find(&qib_unit_table, unit);
+}
+
+struct qib_devdata *qib_lookup(int unit)
+{
+	struct qib_devdata *dd;
+	unsigned long flags;
+
+	spin_lock_irqsave(&qib_devs_lock, flags);
+	dd = __qib_lookup(unit);
+	spin_unlock_irqrestore(&qib_devs_lock, flags);
+
+	return dd;
+}
+
+/*
+ * Stop the timers during unit shutdown, or after an error late
+ * in initialization.
+ */
+static void qib_stop_timers(struct qib_devdata *dd)
+{
+	struct qib_pportdata *ppd;
+	int pidx;
+
+	if (dd->stats_timer.data) {
+		del_timer_sync(&dd->stats_timer);
+		dd->stats_timer.data = 0;
+	}
+	if (dd->intrchk_timer.data) {
+		del_timer_sync(&dd->intrchk_timer);
+		dd->intrchk_timer.data = 0;
+	}
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		ppd = dd->pport + pidx;
+		if (ppd->hol_timer.data)
+			del_timer_sync(&ppd->hol_timer);
+		if (ppd->led_override_timer.data) {
+			del_timer_sync(&ppd->led_override_timer);
+			atomic_set(&ppd->led_override_timer_active, 0);
+		}
+		if (ppd->symerr_clear_timer.data)
+			del_timer_sync(&ppd->symerr_clear_timer);
+	}
+}
+
+/**
+ * qib_shutdown_device - shut down a device
+ * @dd: the qlogic_ib device
+ *
+ * This is called to make the device quiet when we are about to
+ * unload the driver, and also when the device is administratively
+ * disabled.   It does not free any data structures.
+ * Everything it does has to be setup again by qib_init(dd, 1)
+ */
+static void qib_shutdown_device(struct qib_devdata *dd)
+{
+	struct qib_pportdata *ppd;
+	unsigned pidx;
+
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		ppd = dd->pport + pidx;
+
+		spin_lock_irq(&ppd->lflags_lock);
+		ppd->lflags &= ~(QIBL_LINKDOWN | QIBL_LINKINIT |
+				 QIBL_LINKARMED | QIBL_LINKACTIVE |
+				 QIBL_LINKV);
+		spin_unlock_irq(&ppd->lflags_lock);
+		*ppd->statusp &= ~(QIB_STATUS_IB_CONF | QIB_STATUS_IB_READY);
+	}
+	dd->flags &= ~QIB_INITTED;
+
+	/* mask interrupts, but not errors */
+	dd->f_set_intr_state(dd, 0);
+
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		ppd = dd->pport + pidx;
+		dd->f_rcvctrl(ppd, QIB_RCVCTRL_TAILUPD_DIS |
+				   QIB_RCVCTRL_CTXT_DIS |
+				   QIB_RCVCTRL_INTRAVAIL_DIS |
+				   QIB_RCVCTRL_PKEY_ENB, -1);
+		/*
+		 * Gracefully stop all sends allowing any in progress to
+		 * trickle out first.
+		 */
+		dd->f_sendctrl(ppd, QIB_SENDCTRL_CLEAR);
+	}
+
+	/*
+	 * Enough for anything that's going to trickle out to have actually
+	 * done so.
+	 */
+	udelay(20);
+
+	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+		ppd = dd->pport + pidx;
+		dd->f_setextled(ppd, 0); /* make sure LEDs are off */
+
+		if (dd->flags & QIB_HAS_SEND_DMA)
+			qib_teardown_sdma(ppd);
+
+		dd->f_sendctrl(ppd, QIB_SENDCTRL_AVAIL_DIS |
+				    QIB_SENDCTRL_SEND_DIS);
+		/*
+		 * Clear SerdesEnable.
+		 * We can't count on interrupts since we are stopping.
+		 */
+		dd->f_quiet_serdes(ppd);
+	}
+
+	qib_update_eeprom_log(dd);
+}
+
+/**
+ * qib_free_ctxtdata - free a context's allocated data
+ * @dd: the qlogic_ib device
+ * @rcd: the ctxtdata structure
+ *
+ * free up any allocated data for a context
+ * This should not touch anything that would affect a simultaneous
+ * re-allocation of context data, because it is called after qib_mutex
+ * is released (and can be called from reinit as well).
+ * It should never change any chip state, or global driver state.
+ */
+void qib_free_ctxtdata(struct qib_devdata *dd, struct qib_ctxtdata *rcd)
+{
+	if (!rcd)
+		return;
+
+	if (rcd->rcvhdrq) {
+		dma_free_coherent(&dd->pcidev->dev, rcd->rcvhdrq_size,
+				  rcd->rcvhdrq, rcd->rcvhdrq_phys);
+		rcd->rcvhdrq = NULL;
+		if (rcd->rcvhdrtail_kvaddr) {
+			dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
+					  rcd->rcvhdrtail_kvaddr,
+					  rcd->rcvhdrqtailaddr_phys);
+			rcd->rcvhdrtail_kvaddr = NULL;
+		}
+	}
+	if (rcd->rcvegrbuf) {
+		unsigned e;
+
+		for (e = 0; e < rcd->rcvegrbuf_chunks; e++) {
+			void *base = rcd->rcvegrbuf[e];
+			size_t size = rcd->rcvegrbuf_size;
+
+			dma_free_coherent(&dd->pcidev->dev, size,
+					  base, rcd->rcvegrbuf_phys[e]);
+		}
+		kfree(rcd->rcvegrbuf);
+		rcd->rcvegrbuf = NULL;
+		kfree(rcd->rcvegrbuf_phys);
+		rcd->rcvegrbuf_phys = NULL;
+		rcd->rcvegrbuf_chunks = 0;
+	}
+
+	kfree(rcd->tid_pg_list);
+	vfree(rcd->user_event_mask);
+	vfree(rcd->subctxt_uregbase);
+	vfree(rcd->subctxt_rcvegrbuf);
+	vfree(rcd->subctxt_rcvhdr_base);
+	kfree(rcd);
+}
+
+/*
+ * Perform a PIO buffer bandwidth write test, to verify proper system
+ * configuration.  Even when all the setup calls work, occasionally
+ * BIOS or other issues can prevent write combining from working, or
+ * can cause other bandwidth problems to the chip.
+ *
+ * This test simply writes the same buffer over and over again, and
+ * measures close to the peak bandwidth to the chip (not testing
+ * data bandwidth to the wire).   On chips that use an address-based
+ * trigger to send packets to the wire, this is easy.  On chips that
+ * use a count to trigger, we want to make sure that the packet doesn't
+ * go out on the wire, or trigger flow control checks.
+ */
+static void qib_verify_pioperf(struct qib_devdata *dd)
+{
+	u32 pbnum, cnt, lcnt;
+	u32 __iomem *piobuf;
+	u32 *addr;
+	u64 msecs, emsecs;
+
+	piobuf = dd->f_getsendbuf(dd->pport, 0ULL, &pbnum);
+	if (!piobuf) {
+		qib_devinfo(dd->pcidev,
+			 "No PIObufs for checking perf, skipping\n");
+		return;
+	}
+
+	/*
+	 * Enough to give us a reasonable test, less than piobuf size, and
+	 * likely multiple of store buffer length.
+	 */
+	cnt = 1024;
+
+	addr = vmalloc(cnt);
+	if (!addr) {
+		qib_devinfo(dd->pcidev,
+			 "Couldn't get memory for checking PIO perf,"
+			 " skipping\n");
+		goto done;
+	}
+
+	preempt_disable();  /* we want reasonably accurate elapsed time */
+	msecs = 1 + jiffies_to_msecs(jiffies);
+	for (lcnt = 0; lcnt < 10000U; lcnt++) {
+		/* wait until we cross msec boundary */
+		if (jiffies_to_msecs(jiffies) >= msecs)
+			break;
+		udelay(1);
+	}
+
+	dd->f_set_armlaunch(dd, 0);
+
+	/*
+	 * length 0, no dwords actually sent
+	 */
+	writeq(0, piobuf);
+	qib_flush_wc();
+
+	/*
+	 * This is only roughly accurate, since even with preempt we
+	 * still take interrupts that could take a while.   Running for
+	 * >= 5 msec seems to get us "close enough" to accurate values.
+	 */
+	msecs = jiffies_to_msecs(jiffies);
+	for (emsecs = lcnt = 0; emsecs <= 5UL; lcnt++) {
+		qib_pio_copy(piobuf + 64, addr, cnt >> 2);
+		emsecs = jiffies_to_msecs(jiffies) - msecs;
+	}
+
+	/* 1 GiB/sec, slightly over IB SDR line rate */
+	if (lcnt < (emsecs * 1024U))
+		qib_dev_err(dd,
+			    "Performance problem: bandwidth to PIO buffers is "
+			    "only %u MiB/sec\n",
+			    lcnt / (u32) emsecs);
+
+	preempt_enable();
+
+	vfree(addr);
+
+done:
+	/* disarm piobuf, so it's available again */
+	dd->f_sendctrl(dd->pport, QIB_SENDCTRL_DISARM_BUF(pbnum));
+	qib_sendbuf_done(dd, pbnum);
+	dd->f_set_armlaunch(dd, 1);
+}
+
+
+void qib_free_devdata(struct qib_devdata *dd)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&qib_devs_lock, flags);
+	idr_remove(&qib_unit_table, dd->unit);
+	list_del(&dd->list);
+	spin_unlock_irqrestore(&qib_devs_lock, flags);
+
+	ib_dealloc_device(&dd->verbs_dev.ibdev);
+}
+
+/*
+ * Allocate our primary per-unit data structure.  Must be done via verbs
+ * allocator, because the verbs cleanup process both does cleanup and
+ * free of the data structure.
+ * "extra" is for chip-specific data.
+ *
+ * Use the idr mechanism to get a unit number for this unit.
+ */
+struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
+{
+	unsigned long flags;
+	struct qib_devdata *dd;
+	int ret;
+
+	if (!idr_pre_get(&qib_unit_table, GFP_KERNEL)) {
+		dd = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	dd = (struct qib_devdata *) ib_alloc_device(sizeof(*dd) + extra);
+	if (!dd) {
+		dd = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	spin_lock_irqsave(&qib_devs_lock, flags);
+	ret = idr_get_new(&qib_unit_table, dd, &dd->unit);
+	if (ret >= 0)
+		list_add(&dd->list, &qib_dev_list);
+	spin_unlock_irqrestore(&qib_devs_lock, flags);
+
+	if (ret < 0) {
+		qib_early_err(&pdev->dev,
+			      "Could not allocate unit ID: error %d\n", -ret);
+		ib_dealloc_device(&dd->verbs_dev.ibdev);
+		dd = ERR_PTR(ret);
+		goto bail;
+	}
+
+	if (!qib_cpulist_count) {
+		u32 count = num_online_cpus();
+		qib_cpulist = kzalloc(BITS_TO_LONGS(count) *
+				      sizeof(long), GFP_KERNEL);
+		if (qib_cpulist)
+			qib_cpulist_count = count;
+		else
+			qib_early_err(&pdev->dev, "Could not alloc cpulist "
+				      "info, cpu affinity might be wrong\n");
+	}
+
+bail:
+	return dd;
+}
+
+/*
+ * Called from freeze mode handlers, and from PCI error
+ * reporting code.  Should be paranoid about state of
+ * system and data structures.
+ */
+void qib_disable_after_error(struct qib_devdata *dd)
+{
+	if (dd->flags & QIB_INITTED) {
+		u32 pidx;
+
+		dd->flags &= ~QIB_INITTED;
+		if (dd->pport)
+			for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+				struct qib_pportdata *ppd;
+
+				ppd = dd->pport + pidx;
+				if (dd->flags & QIB_PRESENT) {
+					qib_set_linkstate(ppd,
+						QIB_IB_LINKDOWN_DISABLE);
+					dd->f_setextled(ppd, 0);
+				}
+				*ppd->statusp &= ~QIB_STATUS_IB_READY;
+			}
+	}
+
+	/*
+	 * Mark as having had an error for driver, and also
+	 * for /sys and status word mapped to user programs.
+	 * This marks unit as not usable, until reset.
+	 */
+	if (dd->devstatusp)
+		*dd->devstatusp |= QIB_STATUS_HWERROR;
+}
+
+static void __devexit qib_remove_one(struct pci_dev *);
+static int __devinit qib_init_one(struct pci_dev *,
+				  const struct pci_device_id *);
+
+#define DRIVER_LOAD_MSG "QLogic " QIB_DRV_NAME " loaded: "
+#define PFX QIB_DRV_NAME ": "
+
+static const struct pci_device_id qib_pci_tbl[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_QLOGIC_IB_6120) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_IB_7220) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_IB_7322) },
+	{ 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, qib_pci_tbl);
+
+struct pci_driver qib_driver = {
+	.name = QIB_DRV_NAME,
+	.probe = qib_init_one,
+	.remove = __devexit_p(qib_remove_one),
+	.id_table = qib_pci_tbl,
+	.err_handler = &qib_pci_err_handler,
+};
+
+/*
+ * Do all the generic driver unit- and chip-independent memory
+ * allocation and initialization.
+ */
+static int __init qlogic_ib_init(void)
+{
+	int ret;
+
+	ret = qib_dev_init();
+	if (ret)
+		goto bail;
+
+	/*
+	 * We create our own workqueue mainly because we want to be
+	 * able to flush it when devices are being removed.  We can't
+	 * use schedule_work()/flush_scheduled_work() because both
+	 * unregister_netdev() and linkwatch_event take the rtnl lock,
+	 * so flush_scheduled_work() can deadlock during device
+	 * removal.
+	 */
+	qib_wq = create_workqueue("qib");
+	if (!qib_wq) {
+		ret = -ENOMEM;
+		goto bail_dev;
+	}
+
+	qib_cq_wq = create_workqueue("qib_cq");
+	if (!qib_cq_wq) {
+		ret = -ENOMEM;
+		goto bail_wq;
+	}
+
+	/*
+	 * These must be called before the driver is registered with
+	 * the PCI subsystem.
+	 */
+	idr_init(&qib_unit_table);
+	if (!idr_pre_get(&qib_unit_table, GFP_KERNEL)) {
+		printk(KERN_ERR QIB_DRV_NAME ": idr_pre_get() failed\n");
+		ret = -ENOMEM;
+		goto bail_cq_wq;
+	}
+
+	ret = pci_register_driver(&qib_driver);
+	if (ret < 0) {
+		printk(KERN_ERR QIB_DRV_NAME
+		       ": Unable to register driver: error %d\n", -ret);
+		goto bail_unit;
+	}
+
+	/* not fatal if it doesn't work */
+	if (qib_init_qibfs())
+		printk(KERN_ERR QIB_DRV_NAME ": Unable to register ipathfs\n");
+	goto bail; /* all OK */
+
+bail_unit:
+	idr_destroy(&qib_unit_table);
+bail_cq_wq:
+	destroy_workqueue(qib_cq_wq);
+bail_wq:
+	destroy_workqueue(qib_wq);
+bail_dev:
+	qib_dev_cleanup();
+bail:
+	return ret;
+}
+
+module_init(qlogic_ib_init);
+
+/*
+ * Do the non-unit driver cleanup, memory free, etc. at unload.
+ */
+static void __exit qlogic_ib_cleanup(void)
+{
+	int ret;
+
+	ret = qib_exit_qibfs();
+	if (ret)
+		printk(KERN_ERR QIB_DRV_NAME ": "
+			"Unable to cleanup counter filesystem: "
+			"error %d\n", -ret);
+
+	pci_unregister_driver(&qib_driver);
+
+	destroy_workqueue(qib_wq);
+	destroy_workqueue(qib_cq_wq);
+
+	qib_cpulist_count = 0;
+	kfree(qib_cpulist);
+
+	idr_destroy(&qib_unit_table);
+	qib_dev_cleanup();
+}
+
+module_exit(qlogic_ib_cleanup);
+
+/* this can only be called after a successful initialization */
+static void cleanup_device_data(struct qib_devdata *dd)
+{
+	int ctxt;
+	int pidx;
+	struct qib_ctxtdata **tmp;
+	unsigned long flags;
+
+	/* users can't do anything more with chip */
+	for (pidx = 0; pidx < dd->num_pports; ++pidx)
+		if (dd->pport[pidx].statusp)
+			*dd->pport[pidx].statusp &= ~QIB_STATUS_CHIP_PRESENT;
+
+	if (!qib_wc_pat)
+		qib_disable_wc(dd);
+
+	if (dd->pioavailregs_dma) {
+		dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
+				  (void *) dd->pioavailregs_dma,
+				  dd->pioavailregs_phys);
+		dd->pioavailregs_dma = NULL;
+	}
+
+	if (dd->pageshadow) {
+		struct page **tmpp = dd->pageshadow;
+		dma_addr_t *tmpd = dd->physshadow;
+		int i, cnt = 0;
+
+		for (ctxt = 0; ctxt < dd->cfgctxts; ctxt++) {
+			int ctxt_tidbase = ctxt * dd->rcvtidcnt;
+			int maxtid = ctxt_tidbase + dd->rcvtidcnt;
+
+			for (i = ctxt_tidbase; i < maxtid; i++) {
+				if (!tmpp[i])
+					continue;
+				pci_unmap_page(dd->pcidev, tmpd[i],
+					       PAGE_SIZE, PCI_DMA_FROMDEVICE);
+				qib_release_user_pages(&tmpp[i], 1);
+				tmpp[i] = NULL;
+				cnt++;
+			}
+		}
+
+		tmpp = dd->pageshadow;
+		dd->pageshadow = NULL;
+		vfree(tmpp);
+	}
+
+	/*
+	 * Free any resources still in use (usually just kernel contexts)
+	 * at unload; we do for ctxtcnt, because that's what we allocate.
+	 * We acquire lock to be really paranoid that rcd isn't being
+	 * accessed from some interrupt-related code (that should not happen,
+	 * but best to be sure).
+	 */
+	spin_lock_irqsave(&dd->uctxt_lock, flags);
+	tmp = dd->rcd;
+	dd->rcd = NULL;
+	spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+	for (ctxt = 0; tmp && ctxt < dd->ctxtcnt; ctxt++) {
+		struct qib_ctxtdata *rcd = tmp[ctxt];
+
+		tmp[ctxt] = NULL; /* debugging paranoia */
+		qib_free_ctxtdata(dd, rcd);
+	}
+	kfree(tmp);
+	kfree(dd->boardname);
+}
+
+/*
+ * Clean up on unit shutdown, or error during unit load after
+ * successful initialization.
+ */
+static void qib_postinit_cleanup(struct qib_devdata *dd)
+{
+	/*
+	 * Clean up chip-specific stuff.
+	 * We check for NULL here, because it's outside
+	 * the kregbase check, and we need to call it
+	 * after the free_irq.  Thus it's possible that
+	 * the function pointers were never initialized.
+	 */
+	if (dd->f_cleanup)
+		dd->f_cleanup(dd);
+
+	qib_pcie_ddcleanup(dd);
+
+	cleanup_device_data(dd);
+
+	qib_free_devdata(dd);
+}
+
+static int __devinit qib_init_one(struct pci_dev *pdev,
+				  const struct pci_device_id *ent)
+{
+	int ret, j, pidx, initfail;
+	struct qib_devdata *dd = NULL;
+
+	ret = qib_pcie_init(pdev, ent);
+	if (ret)
+		goto bail;
+
+	/*
+	 * Do device-specific initialiation, function table setup, dd
+	 * allocation, etc.
+	 */
+	switch (ent->device) {
+	case PCI_DEVICE_ID_QLOGIC_IB_6120:
+		dd = qib_init_iba6120_funcs(pdev, ent);
+		break;
+
+	case PCI_DEVICE_ID_QLOGIC_IB_7220:
+		dd = qib_init_iba7220_funcs(pdev, ent);
+		break;
+
+	case PCI_DEVICE_ID_QLOGIC_IB_7322:
+		dd = qib_init_iba7322_funcs(pdev, ent);
+		break;
+
+	default:
+		qib_early_err(&pdev->dev, "Failing on unknown QLogic "
+			      "deviceid 0x%x\n", ent->device);
+		ret = -ENODEV;
+	}
+
+	if (IS_ERR(dd))
+		ret = PTR_ERR(dd);
+	if (ret)
+		goto bail; /* error already printed */
+
+	/* do the generic initialization */
+	initfail = qib_init(dd, 0);
+
+	ret = qib_register_ib_device(dd);
+
+	/*
+	 * Now ready for use.  this should be cleared whenever we
+	 * detect a reset, or initiate one.  If earlier failure,
+	 * we still create devices, so diags, etc. can be used
+	 * to determine cause of problem.
+	 */
+	if (!qib_mini_init && !initfail && !ret)
+		dd->flags |= QIB_INITTED;
+
+	j = qib_device_create(dd);
+	if (j)
+		qib_dev_err(dd, "Failed to create /dev devices: %d\n", -j);
+	j = qibfs_add(dd);
+	if (j)
+		qib_dev_err(dd, "Failed filesystem setup for counters: %d\n",
+			    -j);
+
+	if (qib_mini_init || initfail || ret) {
+		qib_stop_timers(dd);
+		for (pidx = 0; pidx < dd->num_pports; ++pidx)
+			dd->f_quiet_serdes(dd->pport + pidx);
+		if (initfail)
+			ret = initfail;
+		goto bail;
+	}
+
+	if (!qib_wc_pat) {
+		ret = qib_enable_wc(dd);
+		if (ret) {
+			qib_dev_err(dd, "Write combining not enabled "
+				    "(err %d): performance may be poor\n",
+				    -ret);
+			ret = 0;
+		}
+	}
+
+	qib_verify_pioperf(dd);
+bail:
+	return ret;
+}
+
+static void __devexit qib_remove_one(struct pci_dev *pdev)
+{
+	struct qib_devdata *dd = pci_get_drvdata(pdev);
+	int ret;
+
+	/* unregister from IB core */
+	qib_unregister_ib_device(dd);
+
+	/*
+	 * Disable the IB link, disable interrupts on the device,
+	 * clear dma engines, etc.
+	 */
+	if (!qib_mini_init)
+		qib_shutdown_device(dd);
+
+	qib_stop_timers(dd);
+
+	/* wait until all of our (qsfp) schedule_work() calls complete */
+	flush_scheduled_work();
+
+	ret = qibfs_remove(dd);
+	if (ret)
+		qib_dev_err(dd, "Failed counters filesystem cleanup: %d\n",
+			    -ret);
+
+	qib_device_remove(dd);
+
+	qib_postinit_cleanup(dd);
+}
+
+/**
+ * qib_create_rcvhdrq - create a receive header queue
+ * @dd: the qlogic_ib device
+ * @rcd: the context data
+ *
+ * This must be contiguous memory (from an i/o perspective), and must be
+ * DMA'able (which means for some systems, it will go through an IOMMU,
+ * or be forced into a low address range).
+ */
+int qib_create_rcvhdrq(struct qib_devdata *dd, struct qib_ctxtdata *rcd)
+{
+	unsigned amt;
+
+	if (!rcd->rcvhdrq) {
+		dma_addr_t phys_hdrqtail;
+		gfp_t gfp_flags;
+
+		amt = ALIGN(dd->rcvhdrcnt * dd->rcvhdrentsize *
+			    sizeof(u32), PAGE_SIZE);
+		gfp_flags = (rcd->ctxt >= dd->first_user_ctxt) ?
+			GFP_USER : GFP_KERNEL;
+		rcd->rcvhdrq = dma_alloc_coherent(
+			&dd->pcidev->dev, amt, &rcd->rcvhdrq_phys,
+			gfp_flags | __GFP_COMP);
+
+		if (!rcd->rcvhdrq) {
+			qib_dev_err(dd, "attempt to allocate %d bytes "
+				    "for ctxt %u rcvhdrq failed\n",
+				    amt, rcd->ctxt);
+			goto bail;
+		}
+
+		if (rcd->ctxt >= dd->first_user_ctxt) {
+			rcd->user_event_mask = vmalloc_user(PAGE_SIZE);
+			if (!rcd->user_event_mask)
+				goto bail_free_hdrq;
+		}
+
+		if (!(dd->flags & QIB_NODMA_RTAIL)) {
+			rcd->rcvhdrtail_kvaddr = dma_alloc_coherent(
+				&dd->pcidev->dev, PAGE_SIZE, &phys_hdrqtail,
+				gfp_flags);
+			if (!rcd->rcvhdrtail_kvaddr)
+				goto bail_free;
+			rcd->rcvhdrqtailaddr_phys = phys_hdrqtail;
+		}
+
+		rcd->rcvhdrq_size = amt;
+	}
+
+	/* clear for security and sanity on each use */
+	memset(rcd->rcvhdrq, 0, rcd->rcvhdrq_size);
+	if (rcd->rcvhdrtail_kvaddr)
+		memset(rcd->rcvhdrtail_kvaddr, 0, PAGE_SIZE);
+	return 0;
+
+bail_free:
+	qib_dev_err(dd, "attempt to allocate 1 page for ctxt %u "
+		    "rcvhdrqtailaddr failed\n", rcd->ctxt);
+	vfree(rcd->user_event_mask);
+	rcd->user_event_mask = NULL;
+bail_free_hdrq:
+	dma_free_coherent(&dd->pcidev->dev, amt, rcd->rcvhdrq,
+			  rcd->rcvhdrq_phys);
+	rcd->rcvhdrq = NULL;
+bail:
+	return -ENOMEM;
+}
+
+/**
+ * allocate eager buffers, both kernel and user contexts.
+ * @rcd: the context we are setting up.
+ *
+ * Allocate the eager TID buffers and program them into hip.
+ * They are no longer completely contiguous, we do multiple allocation
+ * calls.  Otherwise we get the OOM code involved, by asking for too
+ * much per call, with disastrous results on some kernels.
+ */
+int qib_setup_eagerbufs(struct qib_ctxtdata *rcd)
+{
+	struct qib_devdata *dd = rcd->dd;
+	unsigned e, egrcnt, egrperchunk, chunk, egrsize, egroff;
+	size_t size;
+	gfp_t gfp_flags;
+
+	/*
+	 * GFP_USER, but without GFP_FS, so buffer cache can be
+	 * coalesced (we hope); otherwise, even at order 4,
+	 * heavy filesystem activity makes these fail, and we can
+	 * use compound pages.
+	 */
+	gfp_flags = __GFP_WAIT | __GFP_IO | __GFP_COMP;
+
+	egrcnt = rcd->rcvegrcnt;
+	egroff = rcd->rcvegr_tid_base;
+	egrsize = dd->rcvegrbufsize;
+
+	chunk = rcd->rcvegrbuf_chunks;
+	egrperchunk = rcd->rcvegrbufs_perchunk;
+	size = rcd->rcvegrbuf_size;
+	if (!rcd->rcvegrbuf) {
+		rcd->rcvegrbuf =
+			kzalloc(chunk * sizeof(rcd->rcvegrbuf[0]),
+				GFP_KERNEL);
+		if (!rcd->rcvegrbuf)
+			goto bail;
+	}
+	if (!rcd->rcvegrbuf_phys) {
+		rcd->rcvegrbuf_phys =
+			kmalloc(chunk * sizeof(rcd->rcvegrbuf_phys[0]),
+				GFP_KERNEL);
+		if (!rcd->rcvegrbuf_phys)
+			goto bail_rcvegrbuf;
+	}
+	for (e = 0; e < rcd->rcvegrbuf_chunks; e++) {
+		if (rcd->rcvegrbuf[e])
+			continue;
+		rcd->rcvegrbuf[e] =
+			dma_alloc_coherent(&dd->pcidev->dev, size,
+					   &rcd->rcvegrbuf_phys[e],
+					   gfp_flags);
+		if (!rcd->rcvegrbuf[e])
+			goto bail_rcvegrbuf_phys;
+	}
+
+	rcd->rcvegr_phys = rcd->rcvegrbuf_phys[0];
+
+	for (e = chunk = 0; chunk < rcd->rcvegrbuf_chunks; chunk++) {
+		dma_addr_t pa = rcd->rcvegrbuf_phys[chunk];
+		unsigned i;
+
+		for (i = 0; e < egrcnt && i < egrperchunk; e++, i++) {
+			dd->f_put_tid(dd, e + egroff +
+					  (u64 __iomem *)
+					  ((char __iomem *)
+					   dd->kregbase +
+					   dd->rcvegrbase),
+					  RCVHQ_RCV_TYPE_EAGER, pa);
+			pa += egrsize;
+		}
+		cond_resched(); /* don't hog the cpu */
+	}
+
+	return 0;
+
+bail_rcvegrbuf_phys:
+	for (e = 0; e < rcd->rcvegrbuf_chunks && rcd->rcvegrbuf[e]; e++)
+		dma_free_coherent(&dd->pcidev->dev, size,
+				  rcd->rcvegrbuf[e], rcd->rcvegrbuf_phys[e]);
+	kfree(rcd->rcvegrbuf_phys);
+	rcd->rcvegrbuf_phys = NULL;
+bail_rcvegrbuf:
+	kfree(rcd->rcvegrbuf);
+	rcd->rcvegrbuf = NULL;
+bail:
+	return -ENOMEM;
+}
+
+int init_chip_wc_pat(struct qib_devdata *dd, u32 vl15buflen)
+{
+	u64 __iomem *qib_kregbase = NULL;
+	void __iomem *qib_piobase = NULL;
+	u64 __iomem *qib_userbase = NULL;
+	u64 qib_kreglen;
+	u64 qib_pio2koffset = dd->piobufbase & 0xffffffff;
+	u64 qib_pio4koffset = dd->piobufbase >> 32;
+	u64 qib_pio2klen = dd->piobcnt2k * dd->palign;
+	u64 qib_pio4klen = dd->piobcnt4k * dd->align4k;
+	u64 qib_physaddr = dd->physaddr;
+	u64 qib_piolen;
+	u64 qib_userlen = 0;
+
+	/*
+	 * Free the old mapping because the kernel will try to reuse the
+	 * old mapping and not create a new mapping with the
+	 * write combining attribute.
+	 */
+	iounmap(dd->kregbase);
+	dd->kregbase = NULL;
+
+	/*
+	 * Assumes chip address space looks like:
+	 *	- kregs + sregs + cregs + uregs (in any order)
+	 *	- piobufs (2K and 4K bufs in either order)
+	 * or:
+	 *	- kregs + sregs + cregs (in any order)
+	 *	- piobufs (2K and 4K bufs in either order)
+	 *	- uregs
+	 */
+	if (dd->piobcnt4k == 0) {
+		qib_kreglen = qib_pio2koffset;
+		qib_piolen = qib_pio2klen;
+	} else if (qib_pio2koffset < qib_pio4koffset) {
+		qib_kreglen = qib_pio2koffset;
+		qib_piolen = qib_pio4koffset + qib_pio4klen - qib_kreglen;
+	} else {
+		qib_kreglen = qib_pio4koffset;
+		qib_piolen = qib_pio2koffset + qib_pio2klen - qib_kreglen;
+	}
+	qib_piolen += vl15buflen;
+	/* Map just the configured ports (not all hw ports) */
+	if (dd->uregbase > qib_kreglen)
+		qib_userlen = dd->ureg_align * dd->cfgctxts;
+
+	/* Sanity checks passed, now create the new mappings */
+	qib_kregbase = ioremap_nocache(qib_physaddr, qib_kreglen);
+	if (!qib_kregbase)
+		goto bail;
+
+	qib_piobase = ioremap_wc(qib_physaddr + qib_kreglen, qib_piolen);
+	if (!qib_piobase)
+		goto bail_kregbase;
+
+	if (qib_userlen) {
+		qib_userbase = ioremap_nocache(qib_physaddr + dd->uregbase,
+					       qib_userlen);
+		if (!qib_userbase)
+			goto bail_piobase;
+	}
+
+	dd->kregbase = qib_kregbase;
+	dd->kregend = (u64 __iomem *)
+		((char __iomem *) qib_kregbase + qib_kreglen);
+	dd->piobase = qib_piobase;
+	dd->pio2kbase = (void __iomem *)
+		(((char __iomem *) dd->piobase) +
+		 qib_pio2koffset - qib_kreglen);
+	if (dd->piobcnt4k)
+		dd->pio4kbase = (void __iomem *)
+			(((char __iomem *) dd->piobase) +
+			 qib_pio4koffset - qib_kreglen);
+	if (qib_userlen)
+		/* ureg will now be accessed relative to dd->userbase */
+		dd->userbase = qib_userbase;
+	return 0;
+
+bail_piobase:
+	iounmap(qib_piobase);
+bail_kregbase:
+	iounmap(qib_kregbase);
+bail:
+	return -ENOMEM;
+}
diff --git a/drivers/infiniband/hw/qib/qib_intr.c b/drivers/infiniband/hw/qib/qib_intr.c
new file mode 100644
index 00000000000..54a40828a10
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_intr.c
@@ -0,0 +1,236 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "qib.h"
+#include "qib_common.h"
+
+/**
+ * qib_format_hwmsg - format a single hwerror message
+ * @msg message buffer
+ * @msgl length of message buffer
+ * @hwmsg message to add to message buffer
+ */
+static void qib_format_hwmsg(char *msg, size_t msgl, const char *hwmsg)
+{
+	strlcat(msg, "[", msgl);
+	strlcat(msg, hwmsg, msgl);
+	strlcat(msg, "]", msgl);
+}
+
+/**
+ * qib_format_hwerrors - format hardware error messages for display
+ * @hwerrs hardware errors bit vector
+ * @hwerrmsgs hardware error descriptions
+ * @nhwerrmsgs number of hwerrmsgs
+ * @msg message buffer
+ * @msgl message buffer length
+ */
+void qib_format_hwerrors(u64 hwerrs, const struct qib_hwerror_msgs *hwerrmsgs,
+			 size_t nhwerrmsgs, char *msg, size_t msgl)
+{
+	int i;
+
+	for (i = 0; i < nhwerrmsgs; i++)
+		if (hwerrs & hwerrmsgs[i].mask)
+			qib_format_hwmsg(msg, msgl, hwerrmsgs[i].msg);
+}
+
+static void signal_ib_event(struct qib_pportdata *ppd, enum ib_event_type ev)
+{
+	struct ib_event event;
+	struct qib_devdata *dd = ppd->dd;
+
+	event.device = &dd->verbs_dev.ibdev;
+	event.element.port_num = ppd->port;
+	event.event = ev;
+	ib_dispatch_event(&event);
+}
+
+void qib_handle_e_ibstatuschanged(struct qib_pportdata *ppd, u64 ibcs)
+{
+	struct qib_devdata *dd = ppd->dd;
+	unsigned long flags;
+	u32 lstate;
+	u8 ltstate;
+	enum ib_event_type ev = 0;
+
+	lstate = dd->f_iblink_state(ibcs); /* linkstate */
+	ltstate = dd->f_ibphys_portstate(ibcs);
+
+	/*
+	 * If linkstate transitions into INIT from any of the various down
+	 * states, or if it transitions from any of the up (INIT or better)
+	 * states into any of the down states (except link recovery), then
+	 * call the chip-specific code to take appropriate actions.
+	 */
+	if (lstate >= IB_PORT_INIT && (ppd->lflags & QIBL_LINKDOWN) &&
+	    ltstate == IB_PHYSPORTSTATE_LINKUP) {
+		/* transitioned to UP */
+		if (dd->f_ib_updown(ppd, 1, ibcs))
+			goto skip_ibchange; /* chip-code handled */
+	} else if (ppd->lflags & (QIBL_LINKINIT | QIBL_LINKARMED |
+		   QIBL_LINKACTIVE | QIBL_IB_FORCE_NOTIFY)) {
+		if (ltstate != IB_PHYSPORTSTATE_LINKUP &&
+		    ltstate <= IB_PHYSPORTSTATE_CFG_TRAIN &&
+		    dd->f_ib_updown(ppd, 0, ibcs))
+			goto skip_ibchange; /* chip-code handled */
+		qib_set_uevent_bits(ppd, _QIB_EVENT_LINKDOWN_BIT);
+	}
+
+	if (lstate != IB_PORT_DOWN) {
+		/* lstate is INIT, ARMED, or ACTIVE */
+		if (lstate != IB_PORT_ACTIVE) {
+			*ppd->statusp &= ~QIB_STATUS_IB_READY;
+			if (ppd->lflags & QIBL_LINKACTIVE)
+				ev = IB_EVENT_PORT_ERR;
+			spin_lock_irqsave(&ppd->lflags_lock, flags);
+			if (lstate == IB_PORT_ARMED) {
+				ppd->lflags |= QIBL_LINKARMED | QIBL_LINKV;
+				ppd->lflags &= ~(QIBL_LINKINIT |
+					QIBL_LINKDOWN | QIBL_LINKACTIVE);
+			} else {
+				ppd->lflags |= QIBL_LINKINIT | QIBL_LINKV;
+				ppd->lflags &= ~(QIBL_LINKARMED |
+					QIBL_LINKDOWN | QIBL_LINKACTIVE);
+			}
+			spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+			/* start a 75msec timer to clear symbol errors */
+			mod_timer(&ppd->symerr_clear_timer,
+				  msecs_to_jiffies(75));
+		} else if (ltstate == IB_PHYSPORTSTATE_LINKUP) {
+			/* active, but not active defered */
+			qib_hol_up(ppd); /* useful only for 6120 now */
+			*ppd->statusp |=
+				QIB_STATUS_IB_READY | QIB_STATUS_IB_CONF;
+			qib_clear_symerror_on_linkup((unsigned long)ppd);
+			spin_lock_irqsave(&ppd->lflags_lock, flags);
+			ppd->lflags |= QIBL_LINKACTIVE | QIBL_LINKV;
+			ppd->lflags &= ~(QIBL_LINKINIT |
+				QIBL_LINKDOWN | QIBL_LINKARMED);
+			spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+			if (dd->flags & QIB_HAS_SEND_DMA)
+				qib_sdma_process_event(ppd,
+					qib_sdma_event_e30_go_running);
+			ev = IB_EVENT_PORT_ACTIVE;
+			dd->f_setextled(ppd, 1);
+		}
+	} else { /* down */
+		if (ppd->lflags & QIBL_LINKACTIVE)
+			ev = IB_EVENT_PORT_ERR;
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags |= QIBL_LINKDOWN | QIBL_LINKV;
+		ppd->lflags &= ~(QIBL_LINKINIT |
+				 QIBL_LINKACTIVE | QIBL_LINKARMED);
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		*ppd->statusp &= ~QIB_STATUS_IB_READY;
+	}
+
+skip_ibchange:
+	ppd->lastibcstat = ibcs;
+	if (ev)
+		signal_ib_event(ppd, ev);
+	return;
+}
+
+void qib_clear_symerror_on_linkup(unsigned long opaque)
+{
+	struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
+
+	if (ppd->lflags & QIBL_LINKACTIVE)
+		return;
+
+	ppd->ibport_data.z_symbol_error_counter =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_IBSYMBOLERR);
+}
+
+/*
+ * Handle receive interrupts for user ctxts; this means a user
+ * process was waiting for a packet to arrive, and didn't want
+ * to poll.
+ */
+void qib_handle_urcv(struct qib_devdata *dd, u64 ctxtr)
+{
+	struct qib_ctxtdata *rcd;
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&dd->uctxt_lock, flags);
+	for (i = dd->first_user_ctxt; dd->rcd && i < dd->cfgctxts; i++) {
+		if (!(ctxtr & (1ULL << i)))
+			continue;
+		rcd = dd->rcd[i];
+		if (!rcd || !rcd->cnt)
+			continue;
+
+		if (test_and_clear_bit(QIB_CTXT_WAITING_RCV, &rcd->flag)) {
+			wake_up_interruptible(&rcd->wait);
+			dd->f_rcvctrl(rcd->ppd, QIB_RCVCTRL_INTRAVAIL_DIS,
+				      rcd->ctxt);
+		} else if (test_and_clear_bit(QIB_CTXT_WAITING_URG,
+					      &rcd->flag)) {
+			rcd->urgent++;
+			wake_up_interruptible(&rcd->wait);
+		}
+	}
+	spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+}
+
+void qib_bad_intrstatus(struct qib_devdata *dd)
+{
+	static int allbits;
+
+	/* separate routine, for better optimization of qib_intr() */
+
+	/*
+	 * We print the message and disable interrupts, in hope of
+	 * having a better chance of debugging the problem.
+	 */
+	qib_dev_err(dd, "Read of chip interrupt status failed"
+		    " disabling interrupts\n");
+	if (allbits++) {
+		/* disable interrupt delivery, something is very wrong */
+		if (allbits == 2)
+			dd->f_set_intr_state(dd, 0);
+		if (allbits == 3) {
+			qib_dev_err(dd, "2nd bad interrupt status, "
+				    "unregistering interrupts\n");
+			dd->flags |= QIB_BADINTR;
+			dd->flags &= ~QIB_INITTED;
+			dd->f_free_irq(dd);
+		}
+	}
+}
diff --git a/drivers/infiniband/hw/qib/qib_keys.c b/drivers/infiniband/hw/qib/qib_keys.c
new file mode 100644
index 00000000000..4b80eb153d5
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_keys.c
@@ -0,0 +1,328 @@
+/*
+ * Copyright (c) 2006, 2007, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "qib.h"
+
+/**
+ * qib_alloc_lkey - allocate an lkey
+ * @rkt: lkey table in which to allocate the lkey
+ * @mr: memory region that this lkey protects
+ *
+ * Returns 1 if successful, otherwise returns 0.
+ */
+
+int qib_alloc_lkey(struct qib_lkey_table *rkt, struct qib_mregion *mr)
+{
+	unsigned long flags;
+	u32 r;
+	u32 n;
+	int ret;
+
+	spin_lock_irqsave(&rkt->lock, flags);
+
+	/* Find the next available LKEY */
+	r = rkt->next;
+	n = r;
+	for (;;) {
+		if (rkt->table[r] == NULL)
+			break;
+		r = (r + 1) & (rkt->max - 1);
+		if (r == n) {
+			spin_unlock_irqrestore(&rkt->lock, flags);
+			ret = 0;
+			goto bail;
+		}
+	}
+	rkt->next = (r + 1) & (rkt->max - 1);
+	/*
+	 * Make sure lkey is never zero which is reserved to indicate an
+	 * unrestricted LKEY.
+	 */
+	rkt->gen++;
+	mr->lkey = (r << (32 - ib_qib_lkey_table_size)) |
+		((((1 << (24 - ib_qib_lkey_table_size)) - 1) & rkt->gen)
+		 << 8);
+	if (mr->lkey == 0) {
+		mr->lkey |= 1 << 8;
+		rkt->gen++;
+	}
+	rkt->table[r] = mr;
+	spin_unlock_irqrestore(&rkt->lock, flags);
+
+	ret = 1;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_free_lkey - free an lkey
+ * @rkt: table from which to free the lkey
+ * @lkey: lkey id to free
+ */
+int qib_free_lkey(struct qib_ibdev *dev, struct qib_mregion *mr)
+{
+	unsigned long flags;
+	u32 lkey = mr->lkey;
+	u32 r;
+	int ret;
+
+	spin_lock_irqsave(&dev->lk_table.lock, flags);
+	if (lkey == 0) {
+		if (dev->dma_mr && dev->dma_mr == mr) {
+			ret = atomic_read(&dev->dma_mr->refcount);
+			if (!ret)
+				dev->dma_mr = NULL;
+		} else
+			ret = 0;
+	} else {
+		r = lkey >> (32 - ib_qib_lkey_table_size);
+		ret = atomic_read(&dev->lk_table.table[r]->refcount);
+		if (!ret)
+			dev->lk_table.table[r] = NULL;
+	}
+	spin_unlock_irqrestore(&dev->lk_table.lock, flags);
+
+	if (ret)
+		ret = -EBUSY;
+	return ret;
+}
+
+/**
+ * qib_lkey_ok - check IB SGE for validity and initialize
+ * @rkt: table containing lkey to check SGE against
+ * @isge: outgoing internal SGE
+ * @sge: SGE to check
+ * @acc: access flags
+ *
+ * Return 1 if valid and successful, otherwise returns 0.
+ *
+ * Check the IB SGE for validity and initialize our internal version
+ * of it.
+ */
+int qib_lkey_ok(struct qib_lkey_table *rkt, struct qib_pd *pd,
+		struct qib_sge *isge, struct ib_sge *sge, int acc)
+{
+	struct qib_mregion *mr;
+	unsigned n, m;
+	size_t off;
+	int ret = 0;
+	unsigned long flags;
+
+	/*
+	 * We use LKEY == zero for kernel virtual addresses
+	 * (see qib_get_dma_mr and qib_dma.c).
+	 */
+	spin_lock_irqsave(&rkt->lock, flags);
+	if (sge->lkey == 0) {
+		struct qib_ibdev *dev = to_idev(pd->ibpd.device);
+
+		if (pd->user)
+			goto bail;
+		if (!dev->dma_mr)
+			goto bail;
+		atomic_inc(&dev->dma_mr->refcount);
+		isge->mr = dev->dma_mr;
+		isge->vaddr = (void *) sge->addr;
+		isge->length = sge->length;
+		isge->sge_length = sge->length;
+		isge->m = 0;
+		isge->n = 0;
+		goto ok;
+	}
+	mr = rkt->table[(sge->lkey >> (32 - ib_qib_lkey_table_size))];
+	if (unlikely(mr == NULL || mr->lkey != sge->lkey ||
+		     mr->pd != &pd->ibpd))
+		goto bail;
+
+	off = sge->addr - mr->user_base;
+	if (unlikely(sge->addr < mr->user_base ||
+		     off + sge->length > mr->length ||
+		     (mr->access_flags & acc) != acc))
+		goto bail;
+
+	off += mr->offset;
+	m = 0;
+	n = 0;
+	while (off >= mr->map[m]->segs[n].length) {
+		off -= mr->map[m]->segs[n].length;
+		n++;
+		if (n >= QIB_SEGSZ) {
+			m++;
+			n = 0;
+		}
+	}
+	atomic_inc(&mr->refcount);
+	isge->mr = mr;
+	isge->vaddr = mr->map[m]->segs[n].vaddr + off;
+	isge->length = mr->map[m]->segs[n].length - off;
+	isge->sge_length = sge->length;
+	isge->m = m;
+	isge->n = n;
+ok:
+	ret = 1;
+bail:
+	spin_unlock_irqrestore(&rkt->lock, flags);
+	return ret;
+}
+
+/**
+ * qib_rkey_ok - check the IB virtual address, length, and RKEY
+ * @dev: infiniband device
+ * @ss: SGE state
+ * @len: length of data
+ * @vaddr: virtual address to place data
+ * @rkey: rkey to check
+ * @acc: access flags
+ *
+ * Return 1 if successful, otherwise 0.
+ */
+int qib_rkey_ok(struct qib_qp *qp, struct qib_sge *sge,
+		u32 len, u64 vaddr, u32 rkey, int acc)
+{
+	struct qib_lkey_table *rkt = &to_idev(qp->ibqp.device)->lk_table;
+	struct qib_mregion *mr;
+	unsigned n, m;
+	size_t off;
+	int ret = 0;
+	unsigned long flags;
+
+	/*
+	 * We use RKEY == zero for kernel virtual addresses
+	 * (see qib_get_dma_mr and qib_dma.c).
+	 */
+	spin_lock_irqsave(&rkt->lock, flags);
+	if (rkey == 0) {
+		struct qib_pd *pd = to_ipd(qp->ibqp.pd);
+		struct qib_ibdev *dev = to_idev(pd->ibpd.device);
+
+		if (pd->user)
+			goto bail;
+		if (!dev->dma_mr)
+			goto bail;
+		atomic_inc(&dev->dma_mr->refcount);
+		sge->mr = dev->dma_mr;
+		sge->vaddr = (void *) vaddr;
+		sge->length = len;
+		sge->sge_length = len;
+		sge->m = 0;
+		sge->n = 0;
+		goto ok;
+	}
+
+	mr = rkt->table[(rkey >> (32 - ib_qib_lkey_table_size))];
+	if (unlikely(mr == NULL || mr->lkey != rkey || qp->ibqp.pd != mr->pd))
+		goto bail;
+
+	off = vaddr - mr->iova;
+	if (unlikely(vaddr < mr->iova || off + len > mr->length ||
+		     (mr->access_flags & acc) == 0))
+		goto bail;
+
+	off += mr->offset;
+	m = 0;
+	n = 0;
+	while (off >= mr->map[m]->segs[n].length) {
+		off -= mr->map[m]->segs[n].length;
+		n++;
+		if (n >= QIB_SEGSZ) {
+			m++;
+			n = 0;
+		}
+	}
+	atomic_inc(&mr->refcount);
+	sge->mr = mr;
+	sge->vaddr = mr->map[m]->segs[n].vaddr + off;
+	sge->length = mr->map[m]->segs[n].length - off;
+	sge->sge_length = len;
+	sge->m = m;
+	sge->n = n;
+ok:
+	ret = 1;
+bail:
+	spin_unlock_irqrestore(&rkt->lock, flags);
+	return ret;
+}
+
+/*
+ * Initialize the memory region specified by the work reqeust.
+ */
+int qib_fast_reg_mr(struct qib_qp *qp, struct ib_send_wr *wr)
+{
+	struct qib_lkey_table *rkt = &to_idev(qp->ibqp.device)->lk_table;
+	struct qib_pd *pd = to_ipd(qp->ibqp.pd);
+	struct qib_mregion *mr;
+	u32 rkey = wr->wr.fast_reg.rkey;
+	unsigned i, n, m;
+	int ret = -EINVAL;
+	unsigned long flags;
+	u64 *page_list;
+	size_t ps;
+
+	spin_lock_irqsave(&rkt->lock, flags);
+	if (pd->user || rkey == 0)
+		goto bail;
+
+	mr = rkt->table[(rkey >> (32 - ib_qib_lkey_table_size))];
+	if (unlikely(mr == NULL || qp->ibqp.pd != mr->pd))
+		goto bail;
+
+	if (wr->wr.fast_reg.page_list_len > mr->max_segs)
+		goto bail;
+
+	ps = 1UL << wr->wr.fast_reg.page_shift;
+	if (wr->wr.fast_reg.length > ps * wr->wr.fast_reg.page_list_len)
+		goto bail;
+
+	mr->user_base = wr->wr.fast_reg.iova_start;
+	mr->iova = wr->wr.fast_reg.iova_start;
+	mr->lkey = rkey;
+	mr->length = wr->wr.fast_reg.length;
+	mr->access_flags = wr->wr.fast_reg.access_flags;
+	page_list = wr->wr.fast_reg.page_list->page_list;
+	m = 0;
+	n = 0;
+	for (i = 0; i < wr->wr.fast_reg.page_list_len; i++) {
+		mr->map[m]->segs[n].vaddr = (void *) page_list[i];
+		mr->map[m]->segs[n].length = ps;
+		if (++n == QIB_SEGSZ) {
+			m++;
+			n = 0;
+		}
+	}
+
+	ret = 0;
+bail:
+	spin_unlock_irqrestore(&rkt->lock, flags);
+	return ret;
+}
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
new file mode 100644
index 00000000000..94b0d1f3a8f
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -0,0 +1,2173 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <rdma/ib_smi.h>
+
+#include "qib.h"
+#include "qib_mad.h"
+
+static int reply(struct ib_smp *smp)
+{
+	/*
+	 * The verbs framework will handle the directed/LID route
+	 * packet changes.
+	 */
+	smp->method = IB_MGMT_METHOD_GET_RESP;
+	if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
+		smp->status |= IB_SMP_DIRECTION;
+	return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
+}
+
+static void qib_send_trap(struct qib_ibport *ibp, void *data, unsigned len)
+{
+	struct ib_mad_send_buf *send_buf;
+	struct ib_mad_agent *agent;
+	struct ib_smp *smp;
+	int ret;
+	unsigned long flags;
+	unsigned long timeout;
+
+	agent = ibp->send_agent;
+	if (!agent)
+		return;
+
+	/* o14-3.2.1 */
+	if (!(ppd_from_ibp(ibp)->lflags & QIBL_LINKACTIVE))
+		return;
+
+	/* o14-2 */
+	if (ibp->trap_timeout && time_before(jiffies, ibp->trap_timeout))
+		return;
+
+	send_buf = ib_create_send_mad(agent, 0, 0, 0, IB_MGMT_MAD_HDR,
+				      IB_MGMT_MAD_DATA, GFP_ATOMIC);
+	if (IS_ERR(send_buf))
+		return;
+
+	smp = send_buf->mad;
+	smp->base_version = IB_MGMT_BASE_VERSION;
+	smp->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
+	smp->class_version = 1;
+	smp->method = IB_MGMT_METHOD_TRAP;
+	ibp->tid++;
+	smp->tid = cpu_to_be64(ibp->tid);
+	smp->attr_id = IB_SMP_ATTR_NOTICE;
+	/* o14-1: smp->mkey = 0; */
+	memcpy(smp->data, data, len);
+
+	spin_lock_irqsave(&ibp->lock, flags);
+	if (!ibp->sm_ah) {
+		if (ibp->sm_lid != be16_to_cpu(IB_LID_PERMISSIVE)) {
+			struct ib_ah *ah;
+			struct ib_ah_attr attr;
+
+			memset(&attr, 0, sizeof attr);
+			attr.dlid = ibp->sm_lid;
+			attr.port_num = ppd_from_ibp(ibp)->port;
+			ah = ib_create_ah(ibp->qp0->ibqp.pd, &attr);
+			if (IS_ERR(ah))
+				ret = -EINVAL;
+			else {
+				send_buf->ah = ah;
+				ibp->sm_ah = to_iah(ah);
+				ret = 0;
+			}
+		} else
+			ret = -EINVAL;
+	} else {
+		send_buf->ah = &ibp->sm_ah->ibah;
+		ret = 0;
+	}
+	spin_unlock_irqrestore(&ibp->lock, flags);
+
+	if (!ret)
+		ret = ib_post_send_mad(send_buf, NULL);
+	if (!ret) {
+		/* 4.096 usec. */
+		timeout = (4096 * (1UL << ibp->subnet_timeout)) / 1000;
+		ibp->trap_timeout = jiffies + usecs_to_jiffies(timeout);
+	} else {
+		ib_free_send_mad(send_buf);
+		ibp->trap_timeout = 0;
+	}
+}
+
+/*
+ * Send a bad [PQ]_Key trap (ch. 14.3.8).
+ */
+void qib_bad_pqkey(struct qib_ibport *ibp, __be16 trap_num, u32 key, u32 sl,
+		   u32 qp1, u32 qp2, __be16 lid1, __be16 lid2)
+{
+	struct ib_mad_notice_attr data;
+
+	if (trap_num == IB_NOTICE_TRAP_BAD_PKEY)
+		ibp->pkey_violations++;
+	else
+		ibp->qkey_violations++;
+	ibp->n_pkt_drops++;
+
+	/* Send violation trap */
+	data.generic_type = IB_NOTICE_TYPE_SECURITY;
+	data.prod_type_msb = 0;
+	data.prod_type_lsb = IB_NOTICE_PROD_CA;
+	data.trap_num = trap_num;
+	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
+	data.toggle_count = 0;
+	memset(&data.details, 0, sizeof data.details);
+	data.details.ntc_257_258.lid1 = lid1;
+	data.details.ntc_257_258.lid2 = lid2;
+	data.details.ntc_257_258.key = cpu_to_be32(key);
+	data.details.ntc_257_258.sl_qp1 = cpu_to_be32((sl << 28) | qp1);
+	data.details.ntc_257_258.qp2 = cpu_to_be32(qp2);
+
+	qib_send_trap(ibp, &data, sizeof data);
+}
+
+/*
+ * Send a bad M_Key trap (ch. 14.3.9).
+ */
+static void qib_bad_mkey(struct qib_ibport *ibp, struct ib_smp *smp)
+{
+	struct ib_mad_notice_attr data;
+
+	/* Send violation trap */
+	data.generic_type = IB_NOTICE_TYPE_SECURITY;
+	data.prod_type_msb = 0;
+	data.prod_type_lsb = IB_NOTICE_PROD_CA;
+	data.trap_num = IB_NOTICE_TRAP_BAD_MKEY;
+	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
+	data.toggle_count = 0;
+	memset(&data.details, 0, sizeof data.details);
+	data.details.ntc_256.lid = data.issuer_lid;
+	data.details.ntc_256.method = smp->method;
+	data.details.ntc_256.attr_id = smp->attr_id;
+	data.details.ntc_256.attr_mod = smp->attr_mod;
+	data.details.ntc_256.mkey = smp->mkey;
+	if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) {
+		u8 hop_cnt;
+
+		data.details.ntc_256.dr_slid = smp->dr_slid;
+		data.details.ntc_256.dr_trunc_hop = IB_NOTICE_TRAP_DR_NOTICE;
+		hop_cnt = smp->hop_cnt;
+		if (hop_cnt > ARRAY_SIZE(data.details.ntc_256.dr_rtn_path)) {
+			data.details.ntc_256.dr_trunc_hop |=
+				IB_NOTICE_TRAP_DR_TRUNC;
+			hop_cnt = ARRAY_SIZE(data.details.ntc_256.dr_rtn_path);
+		}
+		data.details.ntc_256.dr_trunc_hop |= hop_cnt;
+		memcpy(data.details.ntc_256.dr_rtn_path, smp->return_path,
+		       hop_cnt);
+	}
+
+	qib_send_trap(ibp, &data, sizeof data);
+}
+
+/*
+ * Send a Port Capability Mask Changed trap (ch. 14.3.11).
+ */
+void qib_cap_mask_chg(struct qib_ibport *ibp)
+{
+	struct ib_mad_notice_attr data;
+
+	data.generic_type = IB_NOTICE_TYPE_INFO;
+	data.prod_type_msb = 0;
+	data.prod_type_lsb = IB_NOTICE_PROD_CA;
+	data.trap_num = IB_NOTICE_TRAP_CAP_MASK_CHG;
+	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
+	data.toggle_count = 0;
+	memset(&data.details, 0, sizeof data.details);
+	data.details.ntc_144.lid = data.issuer_lid;
+	data.details.ntc_144.new_cap_mask = cpu_to_be32(ibp->port_cap_flags);
+
+	qib_send_trap(ibp, &data, sizeof data);
+}
+
+/*
+ * Send a System Image GUID Changed trap (ch. 14.3.12).
+ */
+void qib_sys_guid_chg(struct qib_ibport *ibp)
+{
+	struct ib_mad_notice_attr data;
+
+	data.generic_type = IB_NOTICE_TYPE_INFO;
+	data.prod_type_msb = 0;
+	data.prod_type_lsb = IB_NOTICE_PROD_CA;
+	data.trap_num = IB_NOTICE_TRAP_SYS_GUID_CHG;
+	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
+	data.toggle_count = 0;
+	memset(&data.details, 0, sizeof data.details);
+	data.details.ntc_145.lid = data.issuer_lid;
+	data.details.ntc_145.new_sys_guid = ib_qib_sys_image_guid;
+
+	qib_send_trap(ibp, &data, sizeof data);
+}
+
+/*
+ * Send a Node Description Changed trap (ch. 14.3.13).
+ */
+void qib_node_desc_chg(struct qib_ibport *ibp)
+{
+	struct ib_mad_notice_attr data;
+
+	data.generic_type = IB_NOTICE_TYPE_INFO;
+	data.prod_type_msb = 0;
+	data.prod_type_lsb = IB_NOTICE_PROD_CA;
+	data.trap_num = IB_NOTICE_TRAP_CAP_MASK_CHG;
+	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
+	data.toggle_count = 0;
+	memset(&data.details, 0, sizeof data.details);
+	data.details.ntc_144.lid = data.issuer_lid;
+	data.details.ntc_144.local_changes = 1;
+	data.details.ntc_144.change_flags = IB_NOTICE_TRAP_NODE_DESC_CHG;
+
+	qib_send_trap(ibp, &data, sizeof data);
+}
+
+static int subn_get_nodedescription(struct ib_smp *smp,
+				    struct ib_device *ibdev)
+{
+	if (smp->attr_mod)
+		smp->status |= IB_SMP_INVALID_FIELD;
+
+	memcpy(smp->data, ibdev->node_desc, sizeof(smp->data));
+
+	return reply(smp);
+}
+
+static int subn_get_nodeinfo(struct ib_smp *smp, struct ib_device *ibdev,
+			     u8 port)
+{
+	struct ib_node_info *nip = (struct ib_node_info *)&smp->data;
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	u32 vendor, majrev, minrev;
+	unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */
+
+	/* GUID 0 is illegal */
+	if (smp->attr_mod || pidx >= dd->num_pports ||
+	    dd->pport[pidx].guid == 0)
+		smp->status |= IB_SMP_INVALID_FIELD;
+	else
+		nip->port_guid = dd->pport[pidx].guid;
+
+	nip->base_version = 1;
+	nip->class_version = 1;
+	nip->node_type = 1;     /* channel adapter */
+	nip->num_ports = ibdev->phys_port_cnt;
+	/* This is already in network order */
+	nip->sys_guid = ib_qib_sys_image_guid;
+	nip->node_guid = dd->pport->guid; /* Use first-port GUID as node */
+	nip->partition_cap = cpu_to_be16(qib_get_npkeys(dd));
+	nip->device_id = cpu_to_be16(dd->deviceid);
+	majrev = dd->majrev;
+	minrev = dd->minrev;
+	nip->revision = cpu_to_be32((majrev << 16) | minrev);
+	nip->local_port_num = port;
+	vendor = dd->vendorid;
+	nip->vendor_id[0] = QIB_SRC_OUI_1;
+	nip->vendor_id[1] = QIB_SRC_OUI_2;
+	nip->vendor_id[2] = QIB_SRC_OUI_3;
+
+	return reply(smp);
+}
+
+static int subn_get_guidinfo(struct ib_smp *smp, struct ib_device *ibdev,
+			     u8 port)
+{
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	u32 startgx = 8 * be32_to_cpu(smp->attr_mod);
+	__be64 *p = (__be64 *) smp->data;
+	unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */
+
+	/* 32 blocks of 8 64-bit GUIDs per block */
+
+	memset(smp->data, 0, sizeof(smp->data));
+
+	if (startgx == 0 && pidx < dd->num_pports) {
+		struct qib_pportdata *ppd = dd->pport + pidx;
+		struct qib_ibport *ibp = &ppd->ibport_data;
+		__be64 g = ppd->guid;
+		unsigned i;
+
+		/* GUID 0 is illegal */
+		if (g == 0)
+			smp->status |= IB_SMP_INVALID_FIELD;
+		else {
+			/* The first is a copy of the read-only HW GUID. */
+			p[0] = g;
+			for (i = 1; i < QIB_GUIDS_PER_PORT; i++)
+				p[i] = ibp->guids[i - 1];
+		}
+	} else
+		smp->status |= IB_SMP_INVALID_FIELD;
+
+	return reply(smp);
+}
+
+static void set_link_width_enabled(struct qib_pportdata *ppd, u32 w)
+{
+	(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LWID_ENB, w);
+}
+
+static void set_link_speed_enabled(struct qib_pportdata *ppd, u32 s)
+{
+	(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_SPD_ENB, s);
+}
+
+static int get_overrunthreshold(struct qib_pportdata *ppd)
+{
+	return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_OVERRUN_THRESH);
+}
+
+/**
+ * set_overrunthreshold - set the overrun threshold
+ * @ppd: the physical port data
+ * @n: the new threshold
+ *
+ * Note that this will only take effect when the link state changes.
+ */
+static int set_overrunthreshold(struct qib_pportdata *ppd, unsigned n)
+{
+	(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_OVERRUN_THRESH,
+					 (u32)n);
+	return 0;
+}
+
+static int get_phyerrthreshold(struct qib_pportdata *ppd)
+{
+	return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_PHYERR_THRESH);
+}
+
+/**
+ * set_phyerrthreshold - set the physical error threshold
+ * @ppd: the physical port data
+ * @n: the new threshold
+ *
+ * Note that this will only take effect when the link state changes.
+ */
+static int set_phyerrthreshold(struct qib_pportdata *ppd, unsigned n)
+{
+	(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PHYERR_THRESH,
+					 (u32)n);
+	return 0;
+}
+
+/**
+ * get_linkdowndefaultstate - get the default linkdown state
+ * @ppd: the physical port data
+ *
+ * Returns zero if the default is POLL, 1 if the default is SLEEP.
+ */
+static int get_linkdowndefaultstate(struct qib_pportdata *ppd)
+{
+	return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT) ==
+		IB_LINKINITCMD_SLEEP;
+}
+
+static int check_mkey(struct qib_ibport *ibp, struct ib_smp *smp, int mad_flags)
+{
+	int ret = 0;
+
+	/* Is the mkey in the process of expiring? */
+	if (ibp->mkey_lease_timeout &&
+	    time_after_eq(jiffies, ibp->mkey_lease_timeout)) {
+		/* Clear timeout and mkey protection field. */
+		ibp->mkey_lease_timeout = 0;
+		ibp->mkeyprot = 0;
+	}
+
+	/* M_Key checking depends on Portinfo:M_Key_protect_bits */
+	if ((mad_flags & IB_MAD_IGNORE_MKEY) == 0 && ibp->mkey != 0 &&
+	    ibp->mkey != smp->mkey &&
+	    (smp->method == IB_MGMT_METHOD_SET ||
+	     smp->method == IB_MGMT_METHOD_TRAP_REPRESS ||
+	     (smp->method == IB_MGMT_METHOD_GET && ibp->mkeyprot >= 2))) {
+		if (ibp->mkey_violations != 0xFFFF)
+			++ibp->mkey_violations;
+		if (!ibp->mkey_lease_timeout && ibp->mkey_lease_period)
+			ibp->mkey_lease_timeout = jiffies +
+				ibp->mkey_lease_period * HZ;
+		/* Generate a trap notice. */
+		qib_bad_mkey(ibp, smp);
+		ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
+	} else if (ibp->mkey_lease_timeout)
+		ibp->mkey_lease_timeout = 0;
+
+	return ret;
+}
+
+static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
+			     u8 port)
+{
+	struct qib_devdata *dd;
+	struct qib_pportdata *ppd;
+	struct qib_ibport *ibp;
+	struct ib_port_info *pip = (struct ib_port_info *)smp->data;
+	u16 lid;
+	u8 mtu;
+	int ret;
+	u32 state;
+	u32 port_num = be32_to_cpu(smp->attr_mod);
+
+	if (port_num == 0)
+		port_num = port;
+	else {
+		if (port_num > ibdev->phys_port_cnt) {
+			smp->status |= IB_SMP_INVALID_FIELD;
+			ret = reply(smp);
+			goto bail;
+		}
+		if (port_num != port) {
+			ibp = to_iport(ibdev, port_num);
+			ret = check_mkey(ibp, smp, 0);
+			if (ret)
+				goto bail;
+		}
+	}
+
+	dd = dd_from_ibdev(ibdev);
+	/* IB numbers ports from 1, hdw from 0 */
+	ppd = dd->pport + (port_num - 1);
+	ibp = &ppd->ibport_data;
+
+	/* Clear all fields.  Only set the non-zero fields. */
+	memset(smp->data, 0, sizeof(smp->data));
+
+	/* Only return the mkey if the protection field allows it. */
+	if (smp->method == IB_MGMT_METHOD_SET || ibp->mkey == smp->mkey ||
+	    ibp->mkeyprot == 0)
+		pip->mkey = ibp->mkey;
+	pip->gid_prefix = ibp->gid_prefix;
+	lid = ppd->lid;
+	pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE;
+	pip->sm_lid = cpu_to_be16(ibp->sm_lid);
+	pip->cap_mask = cpu_to_be32(ibp->port_cap_flags);
+	/* pip->diag_code; */
+	pip->mkey_lease_period = cpu_to_be16(ibp->mkey_lease_period);
+	pip->local_port_num = port;
+	pip->link_width_enabled = ppd->link_width_enabled;
+	pip->link_width_supported = ppd->link_width_supported;
+	pip->link_width_active = ppd->link_width_active;
+	state = dd->f_iblink_state(ppd->lastibcstat);
+	pip->linkspeed_portstate = ppd->link_speed_supported << 4 | state;
+
+	pip->portphysstate_linkdown =
+		(dd->f_ibphys_portstate(ppd->lastibcstat) << 4) |
+		(get_linkdowndefaultstate(ppd) ? 1 : 2);
+	pip->mkeyprot_resv_lmc = (ibp->mkeyprot << 6) | ppd->lmc;
+	pip->linkspeedactive_enabled = (ppd->link_speed_active << 4) |
+		ppd->link_speed_enabled;
+	switch (ppd->ibmtu) {
+	default: /* something is wrong; fall through */
+	case 4096:
+		mtu = IB_MTU_4096;
+		break;
+	case 2048:
+		mtu = IB_MTU_2048;
+		break;
+	case 1024:
+		mtu = IB_MTU_1024;
+		break;
+	case 512:
+		mtu = IB_MTU_512;
+		break;
+	case 256:
+		mtu = IB_MTU_256;
+		break;
+	}
+	pip->neighbormtu_mastersmsl = (mtu << 4) | ibp->sm_sl;
+	pip->vlcap_inittype = ppd->vls_supported << 4;  /* InitType = 0 */
+	pip->vl_high_limit = ibp->vl_high_limit;
+	pip->vl_arb_high_cap =
+		dd->f_get_ib_cfg(ppd, QIB_IB_CFG_VL_HIGH_CAP);
+	pip->vl_arb_low_cap =
+		dd->f_get_ib_cfg(ppd, QIB_IB_CFG_VL_LOW_CAP);
+	/* InitTypeReply = 0 */
+	pip->inittypereply_mtucap = qib_ibmtu ? qib_ibmtu : IB_MTU_4096;
+	/* HCAs ignore VLStallCount and HOQLife */
+	/* pip->vlstallcnt_hoqlife; */
+	pip->operationalvl_pei_peo_fpi_fpo =
+		dd->f_get_ib_cfg(ppd, QIB_IB_CFG_OP_VLS) << 4;
+	pip->mkey_violations = cpu_to_be16(ibp->mkey_violations);
+	/* P_KeyViolations are counted by hardware. */
+	pip->pkey_violations = cpu_to_be16(ibp->pkey_violations);
+	pip->qkey_violations = cpu_to_be16(ibp->qkey_violations);
+	/* Only the hardware GUID is supported for now */
+	pip->guid_cap = QIB_GUIDS_PER_PORT;
+	pip->clientrereg_resv_subnetto = ibp->subnet_timeout;
+	/* 32.768 usec. response time (guessing) */
+	pip->resv_resptimevalue = 3;
+	pip->localphyerrors_overrunerrors =
+		(get_phyerrthreshold(ppd) << 4) |
+		get_overrunthreshold(ppd);
+	/* pip->max_credit_hint; */
+	if (ibp->port_cap_flags & IB_PORT_LINK_LATENCY_SUP) {
+		u32 v;
+
+		v = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_LINKLATENCY);
+		pip->link_roundtrip_latency[0] = v >> 16;
+		pip->link_roundtrip_latency[1] = v >> 8;
+		pip->link_roundtrip_latency[2] = v;
+	}
+
+	ret = reply(smp);
+
+bail:
+	return ret;
+}
+
+/**
+ * get_pkeys - return the PKEY table
+ * @dd: the qlogic_ib device
+ * @port: the IB port number
+ * @pkeys: the pkey table is placed here
+ */
+static int get_pkeys(struct qib_devdata *dd, u8 port, u16 *pkeys)
+{
+	struct qib_pportdata *ppd = dd->pport + port - 1;
+	/*
+	 * always a kernel context, no locking needed.
+	 * If we get here with ppd setup, no need to check
+	 * that pd is valid.
+	 */
+	struct qib_ctxtdata *rcd = dd->rcd[ppd->hw_pidx];
+
+	memcpy(pkeys, rcd->pkeys, sizeof(rcd->pkeys));
+
+	return 0;
+}
+
+static int subn_get_pkeytable(struct ib_smp *smp, struct ib_device *ibdev,
+			      u8 port)
+{
+	u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff);
+	u16 *p = (u16 *) smp->data;
+	__be16 *q = (__be16 *) smp->data;
+
+	/* 64 blocks of 32 16-bit P_Key entries */
+
+	memset(smp->data, 0, sizeof(smp->data));
+	if (startpx == 0) {
+		struct qib_devdata *dd = dd_from_ibdev(ibdev);
+		unsigned i, n = qib_get_npkeys(dd);
+
+		get_pkeys(dd, port, p);
+
+		for (i = 0; i < n; i++)
+			q[i] = cpu_to_be16(p[i]);
+	} else
+		smp->status |= IB_SMP_INVALID_FIELD;
+
+	return reply(smp);
+}
+
+static int subn_set_guidinfo(struct ib_smp *smp, struct ib_device *ibdev,
+			     u8 port)
+{
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	u32 startgx = 8 * be32_to_cpu(smp->attr_mod);
+	__be64 *p = (__be64 *) smp->data;
+	unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */
+
+	/* 32 blocks of 8 64-bit GUIDs per block */
+
+	if (startgx == 0 && pidx < dd->num_pports) {
+		struct qib_pportdata *ppd = dd->pport + pidx;
+		struct qib_ibport *ibp = &ppd->ibport_data;
+		unsigned i;
+
+		/* The first entry is read-only. */
+		for (i = 1; i < QIB_GUIDS_PER_PORT; i++)
+			ibp->guids[i - 1] = p[i];
+	} else
+		smp->status |= IB_SMP_INVALID_FIELD;
+
+	/* The only GUID we support is the first read-only entry. */
+	return subn_get_guidinfo(smp, ibdev, port);
+}
+
+/**
+ * subn_set_portinfo - set port information
+ * @smp: the incoming SM packet
+ * @ibdev: the infiniband device
+ * @port: the port on the device
+ *
+ * Set Portinfo (see ch. 14.2.5.6).
+ */
+static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
+			     u8 port)
+{
+	struct ib_port_info *pip = (struct ib_port_info *)smp->data;
+	struct ib_event event;
+	struct qib_devdata *dd;
+	struct qib_pportdata *ppd;
+	struct qib_ibport *ibp;
+	char clientrereg = 0;
+	unsigned long flags;
+	u16 lid, smlid;
+	u8 lwe;
+	u8 lse;
+	u8 state;
+	u8 vls;
+	u8 msl;
+	u16 lstate;
+	int ret, ore, mtu;
+	u32 port_num = be32_to_cpu(smp->attr_mod);
+
+	if (port_num == 0)
+		port_num = port;
+	else {
+		if (port_num > ibdev->phys_port_cnt)
+			goto err;
+		/* Port attributes can only be set on the receiving port */
+		if (port_num != port)
+			goto get_only;
+	}
+
+	dd = dd_from_ibdev(ibdev);
+	/* IB numbers ports from 1, hdw from 0 */
+	ppd = dd->pport + (port_num - 1);
+	ibp = &ppd->ibport_data;
+	event.device = ibdev;
+	event.element.port_num = port;
+
+	ibp->mkey = pip->mkey;
+	ibp->gid_prefix = pip->gid_prefix;
+	ibp->mkey_lease_period = be16_to_cpu(pip->mkey_lease_period);
+
+	lid = be16_to_cpu(pip->lid);
+	/* Must be a valid unicast LID address. */
+	if (lid == 0 || lid >= QIB_MULTICAST_LID_BASE)
+		goto err;
+	if (ppd->lid != lid || ppd->lmc != (pip->mkeyprot_resv_lmc & 7)) {
+		if (ppd->lid != lid)
+			qib_set_uevent_bits(ppd, _QIB_EVENT_LID_CHANGE_BIT);
+		if (ppd->lmc != (pip->mkeyprot_resv_lmc & 7))
+			qib_set_uevent_bits(ppd, _QIB_EVENT_LMC_CHANGE_BIT);
+		qib_set_lid(ppd, lid, pip->mkeyprot_resv_lmc & 7);
+		event.event = IB_EVENT_LID_CHANGE;
+		ib_dispatch_event(&event);
+	}
+
+	smlid = be16_to_cpu(pip->sm_lid);
+	msl = pip->neighbormtu_mastersmsl & 0xF;
+	/* Must be a valid unicast LID address. */
+	if (smlid == 0 || smlid >= QIB_MULTICAST_LID_BASE)
+		goto err;
+	if (smlid != ibp->sm_lid || msl != ibp->sm_sl) {
+		spin_lock_irqsave(&ibp->lock, flags);
+		if (ibp->sm_ah) {
+			if (smlid != ibp->sm_lid)
+				ibp->sm_ah->attr.dlid = smlid;
+			if (msl != ibp->sm_sl)
+				ibp->sm_ah->attr.sl = msl;
+		}
+		spin_unlock_irqrestore(&ibp->lock, flags);
+		if (smlid != ibp->sm_lid)
+			ibp->sm_lid = smlid;
+		if (msl != ibp->sm_sl)
+			ibp->sm_sl = msl;
+		event.event = IB_EVENT_SM_CHANGE;
+		ib_dispatch_event(&event);
+	}
+
+	/* Allow 1x or 4x to be set (see 14.2.6.6). */
+	lwe = pip->link_width_enabled;
+	if (lwe) {
+		if (lwe == 0xFF)
+			lwe = ppd->link_width_supported;
+		else if (lwe >= 16 || (lwe & ~ppd->link_width_supported))
+			goto err;
+		set_link_width_enabled(ppd, lwe);
+	}
+
+	lse = pip->linkspeedactive_enabled & 0xF;
+	if (lse) {
+		/*
+		 * The IB 1.2 spec. only allows link speed values
+		 * 1, 3, 5, 7, 15.  1.2.1 extended to allow specific
+		 * speeds.
+		 */
+		if (lse == 15)
+			lse = ppd->link_speed_supported;
+		else if (lse >= 8 || (lse & ~ppd->link_speed_supported))
+			goto err;
+		set_link_speed_enabled(ppd, lse);
+	}
+
+	/* Set link down default state. */
+	switch (pip->portphysstate_linkdown & 0xF) {
+	case 0: /* NOP */
+		break;
+	case 1: /* SLEEP */
+		(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT,
+					IB_LINKINITCMD_SLEEP);
+		break;
+	case 2: /* POLL */
+		(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT,
+					IB_LINKINITCMD_POLL);
+		break;
+	default:
+		goto err;
+	}
+
+	ibp->mkeyprot = pip->mkeyprot_resv_lmc >> 6;
+	ibp->vl_high_limit = pip->vl_high_limit;
+	(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_VL_HIGH_LIMIT,
+				    ibp->vl_high_limit);
+
+	mtu = ib_mtu_enum_to_int((pip->neighbormtu_mastersmsl >> 4) & 0xF);
+	if (mtu == -1)
+		goto err;
+	qib_set_mtu(ppd, mtu);
+
+	/* Set operational VLs */
+	vls = (pip->operationalvl_pei_peo_fpi_fpo >> 4) & 0xF;
+	if (vls) {
+		if (vls > ppd->vls_supported)
+			goto err;
+		(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_OP_VLS, vls);
+	}
+
+	if (pip->mkey_violations == 0)
+		ibp->mkey_violations = 0;
+
+	if (pip->pkey_violations == 0)
+		ibp->pkey_violations = 0;
+
+	if (pip->qkey_violations == 0)
+		ibp->qkey_violations = 0;
+
+	ore = pip->localphyerrors_overrunerrors;
+	if (set_phyerrthreshold(ppd, (ore >> 4) & 0xF))
+		goto err;
+
+	if (set_overrunthreshold(ppd, (ore & 0xF)))
+		goto err;
+
+	ibp->subnet_timeout = pip->clientrereg_resv_subnetto & 0x1F;
+
+	if (pip->clientrereg_resv_subnetto & 0x80) {
+		clientrereg = 1;
+		event.event = IB_EVENT_CLIENT_REREGISTER;
+		ib_dispatch_event(&event);
+	}
+
+	/*
+	 * Do the port state change now that the other link parameters
+	 * have been set.
+	 * Changing the port physical state only makes sense if the link
+	 * is down or is being set to down.
+	 */
+	state = pip->linkspeed_portstate & 0xF;
+	lstate = (pip->portphysstate_linkdown >> 4) & 0xF;
+	if (lstate && !(state == IB_PORT_DOWN || state == IB_PORT_NOP))
+		goto err;
+
+	/*
+	 * Only state changes of DOWN, ARM, and ACTIVE are valid
+	 * and must be in the correct state to take effect (see 7.2.6).
+	 */
+	switch (state) {
+	case IB_PORT_NOP:
+		if (lstate == 0)
+			break;
+		/* FALLTHROUGH */
+	case IB_PORT_DOWN:
+		if (lstate == 0)
+			lstate = QIB_IB_LINKDOWN_ONLY;
+		else if (lstate == 1)
+			lstate = QIB_IB_LINKDOWN_SLEEP;
+		else if (lstate == 2)
+			lstate = QIB_IB_LINKDOWN;
+		else if (lstate == 3)
+			lstate = QIB_IB_LINKDOWN_DISABLE;
+		else
+			goto err;
+		spin_lock_irqsave(&ppd->lflags_lock, flags);
+		ppd->lflags &= ~QIBL_LINKV;
+		spin_unlock_irqrestore(&ppd->lflags_lock, flags);
+		qib_set_linkstate(ppd, lstate);
+		/*
+		 * Don't send a reply if the response would be sent
+		 * through the disabled port.
+		 */
+		if (lstate == QIB_IB_LINKDOWN_DISABLE && smp->hop_cnt) {
+			ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
+			goto done;
+		}
+		qib_wait_linkstate(ppd, QIBL_LINKV, 10);
+		break;
+	case IB_PORT_ARMED:
+		qib_set_linkstate(ppd, QIB_IB_LINKARM);
+		break;
+	case IB_PORT_ACTIVE:
+		qib_set_linkstate(ppd, QIB_IB_LINKACTIVE);
+		break;
+	default:
+		/* XXX We have already partially updated our state! */
+		goto err;
+	}
+
+	ret = subn_get_portinfo(smp, ibdev, port);
+
+	if (clientrereg)
+		pip->clientrereg_resv_subnetto |= 0x80;
+
+	goto done;
+
+err:
+	smp->status |= IB_SMP_INVALID_FIELD;
+get_only:
+	ret = subn_get_portinfo(smp, ibdev, port);
+done:
+	return ret;
+}
+
+/**
+ * rm_pkey - decrecment the reference count for the given PKEY
+ * @dd: the qlogic_ib device
+ * @key: the PKEY index
+ *
+ * Return true if this was the last reference and the hardware table entry
+ * needs to be changed.
+ */
+static int rm_pkey(struct qib_pportdata *ppd, u16 key)
+{
+	int i;
+	int ret;
+
+	for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {
+		if (ppd->pkeys[i] != key)
+			continue;
+		if (atomic_dec_and_test(&ppd->pkeyrefs[i])) {
+			ppd->pkeys[i] = 0;
+			ret = 1;
+			goto bail;
+		}
+		break;
+	}
+
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/**
+ * add_pkey - add the given PKEY to the hardware table
+ * @dd: the qlogic_ib device
+ * @key: the PKEY
+ *
+ * Return an error code if unable to add the entry, zero if no change,
+ * or 1 if the hardware PKEY register needs to be updated.
+ */
+static int add_pkey(struct qib_pportdata *ppd, u16 key)
+{
+	int i;
+	u16 lkey = key & 0x7FFF;
+	int any = 0;
+	int ret;
+
+	if (lkey == 0x7FFF) {
+		ret = 0;
+		goto bail;
+	}
+
+	/* Look for an empty slot or a matching PKEY. */
+	for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {
+		if (!ppd->pkeys[i]) {
+			any++;
+			continue;
+		}
+		/* If it matches exactly, try to increment the ref count */
+		if (ppd->pkeys[i] == key) {
+			if (atomic_inc_return(&ppd->pkeyrefs[i]) > 1) {
+				ret = 0;
+				goto bail;
+			}
+			/* Lost the race. Look for an empty slot below. */
+			atomic_dec(&ppd->pkeyrefs[i]);
+			any++;
+		}
+		/*
+		 * It makes no sense to have both the limited and unlimited
+		 * PKEY set at the same time since the unlimited one will
+		 * disable the limited one.
+		 */
+		if ((ppd->pkeys[i] & 0x7FFF) == lkey) {
+			ret = -EEXIST;
+			goto bail;
+		}
+	}
+	if (!any) {
+		ret = -EBUSY;
+		goto bail;
+	}
+	for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {
+		if (!ppd->pkeys[i] &&
+		    atomic_inc_return(&ppd->pkeyrefs[i]) == 1) {
+			/* for qibstats, etc. */
+			ppd->pkeys[i] = key;
+			ret = 1;
+			goto bail;
+		}
+	}
+	ret = -EBUSY;
+
+bail:
+	return ret;
+}
+
+/**
+ * set_pkeys - set the PKEY table for ctxt 0
+ * @dd: the qlogic_ib device
+ * @port: the IB port number
+ * @pkeys: the PKEY table
+ */
+static int set_pkeys(struct qib_devdata *dd, u8 port, u16 *pkeys)
+{
+	struct qib_pportdata *ppd;
+	struct qib_ctxtdata *rcd;
+	int i;
+	int changed = 0;
+
+	/*
+	 * IB port one/two always maps to context zero/one,
+	 * always a kernel context, no locking needed
+	 * If we get here with ppd setup, no need to check
+	 * that rcd is valid.
+	 */
+	ppd = dd->pport + (port - 1);
+	rcd = dd->rcd[ppd->hw_pidx];
+
+	for (i = 0; i < ARRAY_SIZE(rcd->pkeys); i++) {
+		u16 key = pkeys[i];
+		u16 okey = rcd->pkeys[i];
+
+		if (key == okey)
+			continue;
+		/*
+		 * The value of this PKEY table entry is changing.
+		 * Remove the old entry in the hardware's array of PKEYs.
+		 */
+		if (okey & 0x7FFF)
+			changed |= rm_pkey(ppd, okey);
+		if (key & 0x7FFF) {
+			int ret = add_pkey(ppd, key);
+
+			if (ret < 0)
+				key = 0;
+			else
+				changed |= ret;
+		}
+		rcd->pkeys[i] = key;
+	}
+	if (changed) {
+		struct ib_event event;
+
+		(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PKEYS, 0);
+
+		event.event = IB_EVENT_PKEY_CHANGE;
+		event.device = &dd->verbs_dev.ibdev;
+		event.element.port_num = 1;
+		ib_dispatch_event(&event);
+	}
+	return 0;
+}
+
+static int subn_set_pkeytable(struct ib_smp *smp, struct ib_device *ibdev,
+			      u8 port)
+{
+	u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff);
+	__be16 *p = (__be16 *) smp->data;
+	u16 *q = (u16 *) smp->data;
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	unsigned i, n = qib_get_npkeys(dd);
+
+	for (i = 0; i < n; i++)
+		q[i] = be16_to_cpu(p[i]);
+
+	if (startpx != 0 || set_pkeys(dd, port, q) != 0)
+		smp->status |= IB_SMP_INVALID_FIELD;
+
+	return subn_get_pkeytable(smp, ibdev, port);
+}
+
+static int subn_get_sl_to_vl(struct ib_smp *smp, struct ib_device *ibdev,
+			     u8 port)
+{
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	u8 *p = (u8 *) smp->data;
+	unsigned i;
+
+	memset(smp->data, 0, sizeof(smp->data));
+
+	if (!(ibp->port_cap_flags & IB_PORT_SL_MAP_SUP))
+		smp->status |= IB_SMP_UNSUP_METHOD;
+	else
+		for (i = 0; i < ARRAY_SIZE(ibp->sl_to_vl); i += 2)
+			*p++ = (ibp->sl_to_vl[i] << 4) | ibp->sl_to_vl[i + 1];
+
+	return reply(smp);
+}
+
+static int subn_set_sl_to_vl(struct ib_smp *smp, struct ib_device *ibdev,
+			     u8 port)
+{
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	u8 *p = (u8 *) smp->data;
+	unsigned i;
+
+	if (!(ibp->port_cap_flags & IB_PORT_SL_MAP_SUP)) {
+		smp->status |= IB_SMP_UNSUP_METHOD;
+		return reply(smp);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(ibp->sl_to_vl); i += 2, p++) {
+		ibp->sl_to_vl[i] = *p >> 4;
+		ibp->sl_to_vl[i + 1] = *p & 0xF;
+	}
+	qib_set_uevent_bits(ppd_from_ibp(to_iport(ibdev, port)),
+			    _QIB_EVENT_SL2VL_CHANGE_BIT);
+
+	return subn_get_sl_to_vl(smp, ibdev, port);
+}
+
+static int subn_get_vl_arb(struct ib_smp *smp, struct ib_device *ibdev,
+			   u8 port)
+{
+	unsigned which = be32_to_cpu(smp->attr_mod) >> 16;
+	struct qib_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port));
+
+	memset(smp->data, 0, sizeof(smp->data));
+
+	if (ppd->vls_supported == IB_VL_VL0)
+		smp->status |= IB_SMP_UNSUP_METHOD;
+	else if (which == IB_VLARB_LOWPRI_0_31)
+		(void) ppd->dd->f_get_ib_table(ppd, QIB_IB_TBL_VL_LOW_ARB,
+						   smp->data);
+	else if (which == IB_VLARB_HIGHPRI_0_31)
+		(void) ppd->dd->f_get_ib_table(ppd, QIB_IB_TBL_VL_HIGH_ARB,
+						   smp->data);
+	else
+		smp->status |= IB_SMP_INVALID_FIELD;
+
+	return reply(smp);
+}
+
+static int subn_set_vl_arb(struct ib_smp *smp, struct ib_device *ibdev,
+			   u8 port)
+{
+	unsigned which = be32_to_cpu(smp->attr_mod) >> 16;
+	struct qib_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port));
+
+	if (ppd->vls_supported == IB_VL_VL0)
+		smp->status |= IB_SMP_UNSUP_METHOD;
+	else if (which == IB_VLARB_LOWPRI_0_31)
+		(void) ppd->dd->f_set_ib_table(ppd, QIB_IB_TBL_VL_LOW_ARB,
+						   smp->data);
+	else if (which == IB_VLARB_HIGHPRI_0_31)
+		(void) ppd->dd->f_set_ib_table(ppd, QIB_IB_TBL_VL_HIGH_ARB,
+						   smp->data);
+	else
+		smp->status |= IB_SMP_INVALID_FIELD;
+
+	return subn_get_vl_arb(smp, ibdev, port);
+}
+
+static int subn_trap_repress(struct ib_smp *smp, struct ib_device *ibdev,
+			     u8 port)
+{
+	/*
+	 * For now, we only send the trap once so no need to process this.
+	 * o13-6, o13-7,
+	 * o14-3.a4 The SMA shall not send any message in response to a valid
+	 * SubnTrapRepress() message.
+	 */
+	return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
+}
+
+static int pma_get_classportinfo(struct ib_perf *pmp,
+				 struct ib_device *ibdev)
+{
+	struct ib_pma_classportinfo *p =
+		(struct ib_pma_classportinfo *)pmp->data;
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+
+	memset(pmp->data, 0, sizeof(pmp->data));
+
+	if (pmp->attr_mod != 0)
+		pmp->status |= IB_SMP_INVALID_FIELD;
+
+	/* Note that AllPortSelect is not valid */
+	p->base_version = 1;
+	p->class_version = 1;
+	p->cap_mask = IB_PMA_CLASS_CAP_EXT_WIDTH;
+	/*
+	 * Set the most significant bit of CM2 to indicate support for
+	 * congestion statistics
+	 */
+	p->reserved[0] = dd->psxmitwait_supported << 7;
+	/*
+	 * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec.
+	 */
+	p->resp_time_value = 18;
+
+	return reply((struct ib_smp *) pmp);
+}
+
+static int pma_get_portsamplescontrol(struct ib_perf *pmp,
+				      struct ib_device *ibdev, u8 port)
+{
+	struct ib_pma_portsamplescontrol *p =
+		(struct ib_pma_portsamplescontrol *)pmp->data;
+	struct qib_ibdev *dev = to_idev(ibdev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	unsigned long flags;
+	u8 port_select = p->port_select;
+
+	memset(pmp->data, 0, sizeof(pmp->data));
+
+	p->port_select = port_select;
+	if (pmp->attr_mod != 0 || port_select != port) {
+		pmp->status |= IB_SMP_INVALID_FIELD;
+		goto bail;
+	}
+	spin_lock_irqsave(&ibp->lock, flags);
+	p->tick = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_PMA_TICKS);
+	p->sample_status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);
+	p->counter_width = 4;   /* 32 bit counters */
+	p->counter_mask0_9 = COUNTER_MASK0_9;
+	p->sample_start = cpu_to_be32(ibp->pma_sample_start);
+	p->sample_interval = cpu_to_be32(ibp->pma_sample_interval);
+	p->tag = cpu_to_be16(ibp->pma_tag);
+	p->counter_select[0] = ibp->pma_counter_select[0];
+	p->counter_select[1] = ibp->pma_counter_select[1];
+	p->counter_select[2] = ibp->pma_counter_select[2];
+	p->counter_select[3] = ibp->pma_counter_select[3];
+	p->counter_select[4] = ibp->pma_counter_select[4];
+	spin_unlock_irqrestore(&ibp->lock, flags);
+
+bail:
+	return reply((struct ib_smp *) pmp);
+}
+
+static int pma_set_portsamplescontrol(struct ib_perf *pmp,
+				      struct ib_device *ibdev, u8 port)
+{
+	struct ib_pma_portsamplescontrol *p =
+		(struct ib_pma_portsamplescontrol *)pmp->data;
+	struct qib_ibdev *dev = to_idev(ibdev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	unsigned long flags;
+	u8 status, xmit_flags;
+	int ret;
+
+	if (pmp->attr_mod != 0 || p->port_select != port) {
+		pmp->status |= IB_SMP_INVALID_FIELD;
+		ret = reply((struct ib_smp *) pmp);
+		goto bail;
+	}
+
+	spin_lock_irqsave(&ibp->lock, flags);
+
+	/* Port Sampling code owns the PS* HW counters */
+	xmit_flags = ppd->cong_stats.flags;
+	ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_SAMPLE;
+	status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);
+	if (status == IB_PMA_SAMPLE_STATUS_DONE ||
+	    (status == IB_PMA_SAMPLE_STATUS_RUNNING &&
+	     xmit_flags == IB_PMA_CONG_HW_CONTROL_TIMER)) {
+		ibp->pma_sample_start = be32_to_cpu(p->sample_start);
+		ibp->pma_sample_interval = be32_to_cpu(p->sample_interval);
+		ibp->pma_tag = be16_to_cpu(p->tag);
+		ibp->pma_counter_select[0] = p->counter_select[0];
+		ibp->pma_counter_select[1] = p->counter_select[1];
+		ibp->pma_counter_select[2] = p->counter_select[2];
+		ibp->pma_counter_select[3] = p->counter_select[3];
+		ibp->pma_counter_select[4] = p->counter_select[4];
+		dd->f_set_cntr_sample(ppd, ibp->pma_sample_interval,
+				      ibp->pma_sample_start);
+	}
+	spin_unlock_irqrestore(&ibp->lock, flags);
+
+	ret = pma_get_portsamplescontrol(pmp, ibdev, port);
+
+bail:
+	return ret;
+}
+
+static u64 get_counter(struct qib_ibport *ibp, struct qib_pportdata *ppd,
+		       __be16 sel)
+{
+	u64 ret;
+
+	switch (sel) {
+	case IB_PMA_PORT_XMIT_DATA:
+		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITDATA);
+		break;
+	case IB_PMA_PORT_RCV_DATA:
+		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSRCVDATA);
+		break;
+	case IB_PMA_PORT_XMIT_PKTS:
+		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITPKTS);
+		break;
+	case IB_PMA_PORT_RCV_PKTS:
+		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSRCVPKTS);
+		break;
+	case IB_PMA_PORT_XMIT_WAIT:
+		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITWAIT);
+		break;
+	default:
+		ret = 0;
+	}
+
+	return ret;
+}
+
+/* This function assumes that the xmit_wait lock is already held */
+static u64 xmit_wait_get_value_delta(struct qib_pportdata *ppd)
+{
+	u32 delta;
+
+	delta = get_counter(&ppd->ibport_data, ppd,
+			    IB_PMA_PORT_XMIT_WAIT);
+	return ppd->cong_stats.counter + delta;
+}
+
+static void cache_hw_sample_counters(struct qib_pportdata *ppd)
+{
+	struct qib_ibport *ibp = &ppd->ibport_data;
+
+	ppd->cong_stats.counter_cache.psxmitdata =
+		get_counter(ibp, ppd, IB_PMA_PORT_XMIT_DATA);
+	ppd->cong_stats.counter_cache.psrcvdata =
+		get_counter(ibp, ppd, IB_PMA_PORT_RCV_DATA);
+	ppd->cong_stats.counter_cache.psxmitpkts =
+		get_counter(ibp, ppd, IB_PMA_PORT_XMIT_PKTS);
+	ppd->cong_stats.counter_cache.psrcvpkts =
+		get_counter(ibp, ppd, IB_PMA_PORT_RCV_PKTS);
+	ppd->cong_stats.counter_cache.psxmitwait =
+		get_counter(ibp, ppd, IB_PMA_PORT_XMIT_WAIT);
+}
+
+static u64 get_cache_hw_sample_counters(struct qib_pportdata *ppd,
+					__be16 sel)
+{
+	u64 ret;
+
+	switch (sel) {
+	case IB_PMA_PORT_XMIT_DATA:
+		ret = ppd->cong_stats.counter_cache.psxmitdata;
+		break;
+	case IB_PMA_PORT_RCV_DATA:
+		ret = ppd->cong_stats.counter_cache.psrcvdata;
+		break;
+	case IB_PMA_PORT_XMIT_PKTS:
+		ret = ppd->cong_stats.counter_cache.psxmitpkts;
+		break;
+	case IB_PMA_PORT_RCV_PKTS:
+		ret = ppd->cong_stats.counter_cache.psrcvpkts;
+		break;
+	case IB_PMA_PORT_XMIT_WAIT:
+		ret = ppd->cong_stats.counter_cache.psxmitwait;
+		break;
+	default:
+		ret = 0;
+	}
+
+	return ret;
+}
+
+static int pma_get_portsamplesresult(struct ib_perf *pmp,
+				     struct ib_device *ibdev, u8 port)
+{
+	struct ib_pma_portsamplesresult *p =
+		(struct ib_pma_portsamplesresult *)pmp->data;
+	struct qib_ibdev *dev = to_idev(ibdev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	unsigned long flags;
+	u8 status;
+	int i;
+
+	memset(pmp->data, 0, sizeof(pmp->data));
+	spin_lock_irqsave(&ibp->lock, flags);
+	p->tag = cpu_to_be16(ibp->pma_tag);
+	if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_TIMER)
+		p->sample_status = IB_PMA_SAMPLE_STATUS_DONE;
+	else {
+		status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);
+		p->sample_status = cpu_to_be16(status);
+		if (status == IB_PMA_SAMPLE_STATUS_DONE) {
+			cache_hw_sample_counters(ppd);
+			ppd->cong_stats.counter =
+				xmit_wait_get_value_delta(ppd);
+			dd->f_set_cntr_sample(ppd,
+					      QIB_CONG_TIMER_PSINTERVAL, 0);
+			ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER;
+		}
+	}
+	for (i = 0; i < ARRAY_SIZE(ibp->pma_counter_select); i++)
+		p->counter[i] = cpu_to_be32(
+			get_cache_hw_sample_counters(
+				ppd, ibp->pma_counter_select[i]));
+	spin_unlock_irqrestore(&ibp->lock, flags);
+
+	return reply((struct ib_smp *) pmp);
+}
+
+static int pma_get_portsamplesresult_ext(struct ib_perf *pmp,
+					 struct ib_device *ibdev, u8 port)
+{
+	struct ib_pma_portsamplesresult_ext *p =
+		(struct ib_pma_portsamplesresult_ext *)pmp->data;
+	struct qib_ibdev *dev = to_idev(ibdev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	unsigned long flags;
+	u8 status;
+	int i;
+
+	/* Port Sampling code owns the PS* HW counters */
+	memset(pmp->data, 0, sizeof(pmp->data));
+	spin_lock_irqsave(&ibp->lock, flags);
+	p->tag = cpu_to_be16(ibp->pma_tag);
+	if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_TIMER)
+		p->sample_status = IB_PMA_SAMPLE_STATUS_DONE;
+	else {
+		status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);
+		p->sample_status = cpu_to_be16(status);
+		/* 64 bits */
+		p->extended_width = cpu_to_be32(0x80000000);
+		if (status == IB_PMA_SAMPLE_STATUS_DONE) {
+			cache_hw_sample_counters(ppd);
+			ppd->cong_stats.counter =
+				xmit_wait_get_value_delta(ppd);
+			dd->f_set_cntr_sample(ppd,
+					      QIB_CONG_TIMER_PSINTERVAL, 0);
+			ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER;
+		}
+	}
+	for (i = 0; i < ARRAY_SIZE(ibp->pma_counter_select); i++)
+		p->counter[i] = cpu_to_be64(
+			get_cache_hw_sample_counters(
+				ppd, ibp->pma_counter_select[i]));
+	spin_unlock_irqrestore(&ibp->lock, flags);
+
+	return reply((struct ib_smp *) pmp);
+}
+
+static int pma_get_portcounters(struct ib_perf *pmp,
+				struct ib_device *ibdev, u8 port)
+{
+	struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
+		pmp->data;
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	struct qib_verbs_counters cntrs;
+	u8 port_select = p->port_select;
+
+	qib_get_counters(ppd, &cntrs);
+
+	/* Adjust counters for any resets done. */
+	cntrs.symbol_error_counter -= ibp->z_symbol_error_counter;
+	cntrs.link_error_recovery_counter -=
+		ibp->z_link_error_recovery_counter;
+	cntrs.link_downed_counter -= ibp->z_link_downed_counter;
+	cntrs.port_rcv_errors -= ibp->z_port_rcv_errors;
+	cntrs.port_rcv_remphys_errors -= ibp->z_port_rcv_remphys_errors;
+	cntrs.port_xmit_discards -= ibp->z_port_xmit_discards;
+	cntrs.port_xmit_data -= ibp->z_port_xmit_data;
+	cntrs.port_rcv_data -= ibp->z_port_rcv_data;
+	cntrs.port_xmit_packets -= ibp->z_port_xmit_packets;
+	cntrs.port_rcv_packets -= ibp->z_port_rcv_packets;
+	cntrs.local_link_integrity_errors -=
+		ibp->z_local_link_integrity_errors;
+	cntrs.excessive_buffer_overrun_errors -=
+		ibp->z_excessive_buffer_overrun_errors;
+	cntrs.vl15_dropped -= ibp->z_vl15_dropped;
+	cntrs.vl15_dropped += ibp->n_vl15_dropped;
+
+	memset(pmp->data, 0, sizeof(pmp->data));
+
+	p->port_select = port_select;
+	if (pmp->attr_mod != 0 || port_select != port)
+		pmp->status |= IB_SMP_INVALID_FIELD;
+
+	if (cntrs.symbol_error_counter > 0xFFFFUL)
+		p->symbol_error_counter = cpu_to_be16(0xFFFF);
+	else
+		p->symbol_error_counter =
+			cpu_to_be16((u16)cntrs.symbol_error_counter);
+	if (cntrs.link_error_recovery_counter > 0xFFUL)
+		p->link_error_recovery_counter = 0xFF;
+	else
+		p->link_error_recovery_counter =
+			(u8)cntrs.link_error_recovery_counter;
+	if (cntrs.link_downed_counter > 0xFFUL)
+		p->link_downed_counter = 0xFF;
+	else
+		p->link_downed_counter = (u8)cntrs.link_downed_counter;
+	if (cntrs.port_rcv_errors > 0xFFFFUL)
+		p->port_rcv_errors = cpu_to_be16(0xFFFF);
+	else
+		p->port_rcv_errors =
+			cpu_to_be16((u16) cntrs.port_rcv_errors);
+	if (cntrs.port_rcv_remphys_errors > 0xFFFFUL)
+		p->port_rcv_remphys_errors = cpu_to_be16(0xFFFF);
+	else
+		p->port_rcv_remphys_errors =
+			cpu_to_be16((u16)cntrs.port_rcv_remphys_errors);
+	if (cntrs.port_xmit_discards > 0xFFFFUL)
+		p->port_xmit_discards = cpu_to_be16(0xFFFF);
+	else
+		p->port_xmit_discards =
+			cpu_to_be16((u16)cntrs.port_xmit_discards);
+	if (cntrs.local_link_integrity_errors > 0xFUL)
+		cntrs.local_link_integrity_errors = 0xFUL;
+	if (cntrs.excessive_buffer_overrun_errors > 0xFUL)
+		cntrs.excessive_buffer_overrun_errors = 0xFUL;
+	p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) |
+		cntrs.excessive_buffer_overrun_errors;
+	if (cntrs.vl15_dropped > 0xFFFFUL)
+		p->vl15_dropped = cpu_to_be16(0xFFFF);
+	else
+		p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped);
+	if (cntrs.port_xmit_data > 0xFFFFFFFFUL)
+		p->port_xmit_data = cpu_to_be32(0xFFFFFFFF);
+	else
+		p->port_xmit_data = cpu_to_be32((u32)cntrs.port_xmit_data);
+	if (cntrs.port_rcv_data > 0xFFFFFFFFUL)
+		p->port_rcv_data = cpu_to_be32(0xFFFFFFFF);
+	else
+		p->port_rcv_data = cpu_to_be32((u32)cntrs.port_rcv_data);
+	if (cntrs.port_xmit_packets > 0xFFFFFFFFUL)
+		p->port_xmit_packets = cpu_to_be32(0xFFFFFFFF);
+	else
+		p->port_xmit_packets =
+			cpu_to_be32((u32)cntrs.port_xmit_packets);
+	if (cntrs.port_rcv_packets > 0xFFFFFFFFUL)
+		p->port_rcv_packets = cpu_to_be32(0xFFFFFFFF);
+	else
+		p->port_rcv_packets =
+			cpu_to_be32((u32) cntrs.port_rcv_packets);
+
+	return reply((struct ib_smp *) pmp);
+}
+
+static int pma_get_portcounters_cong(struct ib_perf *pmp,
+				     struct ib_device *ibdev, u8 port)
+{
+	/* Congestion PMA packets start at offset 24 not 64 */
+	struct ib_pma_portcounters_cong *p =
+		(struct ib_pma_portcounters_cong *)pmp->reserved;
+	struct qib_verbs_counters cntrs;
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	struct qib_devdata *dd = dd_from_ppd(ppd);
+	u32 port_select = be32_to_cpu(pmp->attr_mod) & 0xFF;
+	u64 xmit_wait_counter;
+	unsigned long flags;
+
+	/*
+	 * This check is performed only in the GET method because the
+	 * SET method ends up calling this anyway.
+	 */
+	if (!dd->psxmitwait_supported)
+		pmp->status |= IB_SMP_UNSUP_METH_ATTR;
+	if (port_select != port)
+		pmp->status |= IB_SMP_INVALID_FIELD;
+
+	qib_get_counters(ppd, &cntrs);
+	spin_lock_irqsave(&ppd->ibport_data.lock, flags);
+	xmit_wait_counter = xmit_wait_get_value_delta(ppd);
+	spin_unlock_irqrestore(&ppd->ibport_data.lock, flags);
+
+	/* Adjust counters for any resets done. */
+	cntrs.symbol_error_counter -= ibp->z_symbol_error_counter;
+	cntrs.link_error_recovery_counter -=
+		ibp->z_link_error_recovery_counter;
+	cntrs.link_downed_counter -= ibp->z_link_downed_counter;
+	cntrs.port_rcv_errors -= ibp->z_port_rcv_errors;
+	cntrs.port_rcv_remphys_errors -=
+		ibp->z_port_rcv_remphys_errors;
+	cntrs.port_xmit_discards -= ibp->z_port_xmit_discards;
+	cntrs.local_link_integrity_errors -=
+		ibp->z_local_link_integrity_errors;
+	cntrs.excessive_buffer_overrun_errors -=
+		ibp->z_excessive_buffer_overrun_errors;
+	cntrs.vl15_dropped -= ibp->z_vl15_dropped;
+	cntrs.vl15_dropped += ibp->n_vl15_dropped;
+	cntrs.port_xmit_data -= ibp->z_port_xmit_data;
+	cntrs.port_rcv_data -= ibp->z_port_rcv_data;
+	cntrs.port_xmit_packets -= ibp->z_port_xmit_packets;
+	cntrs.port_rcv_packets -= ibp->z_port_rcv_packets;
+
+	memset(pmp->reserved, 0, sizeof(pmp->reserved) +
+	       sizeof(pmp->data));
+
+	/*
+	 * Set top 3 bits to indicate interval in picoseconds in
+	 * remaining bits.
+	 */
+	p->port_check_rate =
+		cpu_to_be16((QIB_XMIT_RATE_PICO << 13) |
+			    (dd->psxmitwait_check_rate &
+			     ~(QIB_XMIT_RATE_PICO << 13)));
+	p->port_adr_events = cpu_to_be64(0);
+	p->port_xmit_wait = cpu_to_be64(xmit_wait_counter);
+	p->port_xmit_data = cpu_to_be64(cntrs.port_xmit_data);
+	p->port_rcv_data = cpu_to_be64(cntrs.port_rcv_data);
+	p->port_xmit_packets =
+		cpu_to_be64(cntrs.port_xmit_packets);
+	p->port_rcv_packets =
+		cpu_to_be64(cntrs.port_rcv_packets);
+	if (cntrs.symbol_error_counter > 0xFFFFUL)
+		p->symbol_error_counter = cpu_to_be16(0xFFFF);
+	else
+		p->symbol_error_counter =
+			cpu_to_be16(
+				(u16)cntrs.symbol_error_counter);
+	if (cntrs.link_error_recovery_counter > 0xFFUL)
+		p->link_error_recovery_counter = 0xFF;
+	else
+		p->link_error_recovery_counter =
+			(u8)cntrs.link_error_recovery_counter;
+	if (cntrs.link_downed_counter > 0xFFUL)
+		p->link_downed_counter = 0xFF;
+	else
+		p->link_downed_counter =
+			(u8)cntrs.link_downed_counter;
+	if (cntrs.port_rcv_errors > 0xFFFFUL)
+		p->port_rcv_errors = cpu_to_be16(0xFFFF);
+	else
+		p->port_rcv_errors =
+			cpu_to_be16((u16) cntrs.port_rcv_errors);
+	if (cntrs.port_rcv_remphys_errors > 0xFFFFUL)
+		p->port_rcv_remphys_errors = cpu_to_be16(0xFFFF);
+	else
+		p->port_rcv_remphys_errors =
+			cpu_to_be16(
+				(u16)cntrs.port_rcv_remphys_errors);
+	if (cntrs.port_xmit_discards > 0xFFFFUL)
+		p->port_xmit_discards = cpu_to_be16(0xFFFF);
+	else
+		p->port_xmit_discards =
+			cpu_to_be16((u16)cntrs.port_xmit_discards);
+	if (cntrs.local_link_integrity_errors > 0xFUL)
+		cntrs.local_link_integrity_errors = 0xFUL;
+	if (cntrs.excessive_buffer_overrun_errors > 0xFUL)
+		cntrs.excessive_buffer_overrun_errors = 0xFUL;
+	p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) |
+		cntrs.excessive_buffer_overrun_errors;
+	if (cntrs.vl15_dropped > 0xFFFFUL)
+		p->vl15_dropped = cpu_to_be16(0xFFFF);
+	else
+		p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped);
+
+	return reply((struct ib_smp *)pmp);
+}
+
+static int pma_get_portcounters_ext(struct ib_perf *pmp,
+				    struct ib_device *ibdev, u8 port)
+{
+	struct ib_pma_portcounters_ext *p =
+		(struct ib_pma_portcounters_ext *)pmp->data;
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	u64 swords, rwords, spkts, rpkts, xwait;
+	u8 port_select = p->port_select;
+
+	memset(pmp->data, 0, sizeof(pmp->data));
+
+	p->port_select = port_select;
+	if (pmp->attr_mod != 0 || port_select != port) {
+		pmp->status |= IB_SMP_INVALID_FIELD;
+		goto bail;
+	}
+
+	qib_snapshot_counters(ppd, &swords, &rwords, &spkts, &rpkts, &xwait);
+
+	/* Adjust counters for any resets done. */
+	swords -= ibp->z_port_xmit_data;
+	rwords -= ibp->z_port_rcv_data;
+	spkts -= ibp->z_port_xmit_packets;
+	rpkts -= ibp->z_port_rcv_packets;
+
+	p->port_xmit_data = cpu_to_be64(swords);
+	p->port_rcv_data = cpu_to_be64(rwords);
+	p->port_xmit_packets = cpu_to_be64(spkts);
+	p->port_rcv_packets = cpu_to_be64(rpkts);
+	p->port_unicast_xmit_packets = cpu_to_be64(ibp->n_unicast_xmit);
+	p->port_unicast_rcv_packets = cpu_to_be64(ibp->n_unicast_rcv);
+	p->port_multicast_xmit_packets = cpu_to_be64(ibp->n_multicast_xmit);
+	p->port_multicast_rcv_packets = cpu_to_be64(ibp->n_multicast_rcv);
+
+bail:
+	return reply((struct ib_smp *) pmp);
+}
+
+static int pma_set_portcounters(struct ib_perf *pmp,
+				struct ib_device *ibdev, u8 port)
+{
+	struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
+		pmp->data;
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	struct qib_verbs_counters cntrs;
+
+	/*
+	 * Since the HW doesn't support clearing counters, we save the
+	 * current count and subtract it from future responses.
+	 */
+	qib_get_counters(ppd, &cntrs);
+
+	if (p->counter_select & IB_PMA_SEL_SYMBOL_ERROR)
+		ibp->z_symbol_error_counter = cntrs.symbol_error_counter;
+
+	if (p->counter_select & IB_PMA_SEL_LINK_ERROR_RECOVERY)
+		ibp->z_link_error_recovery_counter =
+			cntrs.link_error_recovery_counter;
+
+	if (p->counter_select & IB_PMA_SEL_LINK_DOWNED)
+		ibp->z_link_downed_counter = cntrs.link_downed_counter;
+
+	if (p->counter_select & IB_PMA_SEL_PORT_RCV_ERRORS)
+		ibp->z_port_rcv_errors = cntrs.port_rcv_errors;
+
+	if (p->counter_select & IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS)
+		ibp->z_port_rcv_remphys_errors =
+			cntrs.port_rcv_remphys_errors;
+
+	if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS)
+		ibp->z_port_xmit_discards = cntrs.port_xmit_discards;
+
+	if (p->counter_select & IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS)
+		ibp->z_local_link_integrity_errors =
+			cntrs.local_link_integrity_errors;
+
+	if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS)
+		ibp->z_excessive_buffer_overrun_errors =
+			cntrs.excessive_buffer_overrun_errors;
+
+	if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED) {
+		ibp->n_vl15_dropped = 0;
+		ibp->z_vl15_dropped = cntrs.vl15_dropped;
+	}
+
+	if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA)
+		ibp->z_port_xmit_data = cntrs.port_xmit_data;
+
+	if (p->counter_select & IB_PMA_SEL_PORT_RCV_DATA)
+		ibp->z_port_rcv_data = cntrs.port_rcv_data;
+
+	if (p->counter_select & IB_PMA_SEL_PORT_XMIT_PACKETS)
+		ibp->z_port_xmit_packets = cntrs.port_xmit_packets;
+
+	if (p->counter_select & IB_PMA_SEL_PORT_RCV_PACKETS)
+		ibp->z_port_rcv_packets = cntrs.port_rcv_packets;
+
+	return pma_get_portcounters(pmp, ibdev, port);
+}
+
+static int pma_set_portcounters_cong(struct ib_perf *pmp,
+				     struct ib_device *ibdev, u8 port)
+{
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	struct qib_devdata *dd = dd_from_ppd(ppd);
+	struct qib_verbs_counters cntrs;
+	u32 counter_select = (be32_to_cpu(pmp->attr_mod) >> 24) & 0xFF;
+	int ret = 0;
+	unsigned long flags;
+
+	qib_get_counters(ppd, &cntrs);
+	/* Get counter values before we save them */
+	ret = pma_get_portcounters_cong(pmp, ibdev, port);
+
+	if (counter_select & IB_PMA_SEL_CONG_XMIT) {
+		spin_lock_irqsave(&ppd->ibport_data.lock, flags);
+		ppd->cong_stats.counter = 0;
+		dd->f_set_cntr_sample(ppd, QIB_CONG_TIMER_PSINTERVAL,
+				      0x0);
+		spin_unlock_irqrestore(&ppd->ibport_data.lock, flags);
+	}
+	if (counter_select & IB_PMA_SEL_CONG_PORT_DATA) {
+		ibp->z_port_xmit_data = cntrs.port_xmit_data;
+		ibp->z_port_rcv_data = cntrs.port_rcv_data;
+		ibp->z_port_xmit_packets = cntrs.port_xmit_packets;
+		ibp->z_port_rcv_packets = cntrs.port_rcv_packets;
+	}
+	if (counter_select & IB_PMA_SEL_CONG_ALL) {
+		ibp->z_symbol_error_counter =
+			cntrs.symbol_error_counter;
+		ibp->z_link_error_recovery_counter =
+			cntrs.link_error_recovery_counter;
+		ibp->z_link_downed_counter =
+			cntrs.link_downed_counter;
+		ibp->z_port_rcv_errors = cntrs.port_rcv_errors;
+		ibp->z_port_rcv_remphys_errors =
+			cntrs.port_rcv_remphys_errors;
+		ibp->z_port_xmit_discards =
+			cntrs.port_xmit_discards;
+		ibp->z_local_link_integrity_errors =
+			cntrs.local_link_integrity_errors;
+		ibp->z_excessive_buffer_overrun_errors =
+			cntrs.excessive_buffer_overrun_errors;
+		ibp->n_vl15_dropped = 0;
+		ibp->z_vl15_dropped = cntrs.vl15_dropped;
+	}
+
+	return ret;
+}
+
+static int pma_set_portcounters_ext(struct ib_perf *pmp,
+				    struct ib_device *ibdev, u8 port)
+{
+	struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
+		pmp->data;
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	u64 swords, rwords, spkts, rpkts, xwait;
+
+	qib_snapshot_counters(ppd, &swords, &rwords, &spkts, &rpkts, &xwait);
+
+	if (p->counter_select & IB_PMA_SELX_PORT_XMIT_DATA)
+		ibp->z_port_xmit_data = swords;
+
+	if (p->counter_select & IB_PMA_SELX_PORT_RCV_DATA)
+		ibp->z_port_rcv_data = rwords;
+
+	if (p->counter_select & IB_PMA_SELX_PORT_XMIT_PACKETS)
+		ibp->z_port_xmit_packets = spkts;
+
+	if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS)
+		ibp->z_port_rcv_packets = rpkts;
+
+	if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS)
+		ibp->n_unicast_xmit = 0;
+
+	if (p->counter_select & IB_PMA_SELX_PORT_UNI_RCV_PACKETS)
+		ibp->n_unicast_rcv = 0;
+
+	if (p->counter_select & IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS)
+		ibp->n_multicast_xmit = 0;
+
+	if (p->counter_select & IB_PMA_SELX_PORT_MULTI_RCV_PACKETS)
+		ibp->n_multicast_rcv = 0;
+
+	return pma_get_portcounters_ext(pmp, ibdev, port);
+}
+
+static int process_subn(struct ib_device *ibdev, int mad_flags,
+			u8 port, struct ib_mad *in_mad,
+			struct ib_mad *out_mad)
+{
+	struct ib_smp *smp = (struct ib_smp *)out_mad;
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	int ret;
+
+	*out_mad = *in_mad;
+	if (smp->class_version != 1) {
+		smp->status |= IB_SMP_UNSUP_VERSION;
+		ret = reply(smp);
+		goto bail;
+	}
+
+	ret = check_mkey(ibp, smp, mad_flags);
+	if (ret) {
+		u32 port_num = be32_to_cpu(smp->attr_mod);
+
+		/*
+		 * If this is a get/set portinfo, we already check the
+		 * M_Key if the MAD is for another port and the M_Key
+		 * is OK on the receiving port. This check is needed
+		 * to increment the error counters when the M_Key
+		 * fails to match on *both* ports.
+		 */
+		if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO &&
+		    (smp->method == IB_MGMT_METHOD_GET ||
+		     smp->method == IB_MGMT_METHOD_SET) &&
+		    port_num && port_num <= ibdev->phys_port_cnt &&
+		    port != port_num)
+			(void) check_mkey(to_iport(ibdev, port_num), smp, 0);
+		goto bail;
+	}
+
+	switch (smp->method) {
+	case IB_MGMT_METHOD_GET:
+		switch (smp->attr_id) {
+		case IB_SMP_ATTR_NODE_DESC:
+			ret = subn_get_nodedescription(smp, ibdev);
+			goto bail;
+		case IB_SMP_ATTR_NODE_INFO:
+			ret = subn_get_nodeinfo(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_GUID_INFO:
+			ret = subn_get_guidinfo(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_PORT_INFO:
+			ret = subn_get_portinfo(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_PKEY_TABLE:
+			ret = subn_get_pkeytable(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_SL_TO_VL_TABLE:
+			ret = subn_get_sl_to_vl(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_VL_ARB_TABLE:
+			ret = subn_get_vl_arb(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_SM_INFO:
+			if (ibp->port_cap_flags & IB_PORT_SM_DISABLED) {
+				ret = IB_MAD_RESULT_SUCCESS |
+					IB_MAD_RESULT_CONSUMED;
+				goto bail;
+			}
+			if (ibp->port_cap_flags & IB_PORT_SM) {
+				ret = IB_MAD_RESULT_SUCCESS;
+				goto bail;
+			}
+			/* FALLTHROUGH */
+		default:
+			smp->status |= IB_SMP_UNSUP_METH_ATTR;
+			ret = reply(smp);
+			goto bail;
+		}
+
+	case IB_MGMT_METHOD_SET:
+		switch (smp->attr_id) {
+		case IB_SMP_ATTR_GUID_INFO:
+			ret = subn_set_guidinfo(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_PORT_INFO:
+			ret = subn_set_portinfo(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_PKEY_TABLE:
+			ret = subn_set_pkeytable(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_SL_TO_VL_TABLE:
+			ret = subn_set_sl_to_vl(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_VL_ARB_TABLE:
+			ret = subn_set_vl_arb(smp, ibdev, port);
+			goto bail;
+		case IB_SMP_ATTR_SM_INFO:
+			if (ibp->port_cap_flags & IB_PORT_SM_DISABLED) {
+				ret = IB_MAD_RESULT_SUCCESS |
+					IB_MAD_RESULT_CONSUMED;
+				goto bail;
+			}
+			if (ibp->port_cap_flags & IB_PORT_SM) {
+				ret = IB_MAD_RESULT_SUCCESS;
+				goto bail;
+			}
+			/* FALLTHROUGH */
+		default:
+			smp->status |= IB_SMP_UNSUP_METH_ATTR;
+			ret = reply(smp);
+			goto bail;
+		}
+
+	case IB_MGMT_METHOD_TRAP_REPRESS:
+		if (smp->attr_id == IB_SMP_ATTR_NOTICE)
+			ret = subn_trap_repress(smp, ibdev, port);
+		else {
+			smp->status |= IB_SMP_UNSUP_METH_ATTR;
+			ret = reply(smp);
+		}
+		goto bail;
+
+	case IB_MGMT_METHOD_TRAP:
+	case IB_MGMT_METHOD_REPORT:
+	case IB_MGMT_METHOD_REPORT_RESP:
+	case IB_MGMT_METHOD_GET_RESP:
+		/*
+		 * The ib_mad module will call us to process responses
+		 * before checking for other consumers.
+		 * Just tell the caller to process it normally.
+		 */
+		ret = IB_MAD_RESULT_SUCCESS;
+		goto bail;
+
+	case IB_MGMT_METHOD_SEND:
+		if (ib_get_smp_direction(smp) &&
+		    smp->attr_id == QIB_VENDOR_IPG) {
+			ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PORT,
+					      smp->data[0]);
+			ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
+		} else
+			ret = IB_MAD_RESULT_SUCCESS;
+		goto bail;
+
+	default:
+		smp->status |= IB_SMP_UNSUP_METHOD;
+		ret = reply(smp);
+	}
+
+bail:
+	return ret;
+}
+
+static int process_perf(struct ib_device *ibdev, u8 port,
+			struct ib_mad *in_mad,
+			struct ib_mad *out_mad)
+{
+	struct ib_perf *pmp = (struct ib_perf *)out_mad;
+	int ret;
+
+	*out_mad = *in_mad;
+	if (pmp->class_version != 1) {
+		pmp->status |= IB_SMP_UNSUP_VERSION;
+		ret = reply((struct ib_smp *) pmp);
+		goto bail;
+	}
+
+	switch (pmp->method) {
+	case IB_MGMT_METHOD_GET:
+		switch (pmp->attr_id) {
+		case IB_PMA_CLASS_PORT_INFO:
+			ret = pma_get_classportinfo(pmp, ibdev);
+			goto bail;
+		case IB_PMA_PORT_SAMPLES_CONTROL:
+			ret = pma_get_portsamplescontrol(pmp, ibdev, port);
+			goto bail;
+		case IB_PMA_PORT_SAMPLES_RESULT:
+			ret = pma_get_portsamplesresult(pmp, ibdev, port);
+			goto bail;
+		case IB_PMA_PORT_SAMPLES_RESULT_EXT:
+			ret = pma_get_portsamplesresult_ext(pmp, ibdev, port);
+			goto bail;
+		case IB_PMA_PORT_COUNTERS:
+			ret = pma_get_portcounters(pmp, ibdev, port);
+			goto bail;
+		case IB_PMA_PORT_COUNTERS_EXT:
+			ret = pma_get_portcounters_ext(pmp, ibdev, port);
+			goto bail;
+		case IB_PMA_PORT_COUNTERS_CONG:
+			ret = pma_get_portcounters_cong(pmp, ibdev, port);
+			goto bail;
+		default:
+			pmp->status |= IB_SMP_UNSUP_METH_ATTR;
+			ret = reply((struct ib_smp *) pmp);
+			goto bail;
+		}
+
+	case IB_MGMT_METHOD_SET:
+		switch (pmp->attr_id) {
+		case IB_PMA_PORT_SAMPLES_CONTROL:
+			ret = pma_set_portsamplescontrol(pmp, ibdev, port);
+			goto bail;
+		case IB_PMA_PORT_COUNTERS:
+			ret = pma_set_portcounters(pmp, ibdev, port);
+			goto bail;
+		case IB_PMA_PORT_COUNTERS_EXT:
+			ret = pma_set_portcounters_ext(pmp, ibdev, port);
+			goto bail;
+		case IB_PMA_PORT_COUNTERS_CONG:
+			ret = pma_set_portcounters_cong(pmp, ibdev, port);
+			goto bail;
+		default:
+			pmp->status |= IB_SMP_UNSUP_METH_ATTR;
+			ret = reply((struct ib_smp *) pmp);
+			goto bail;
+		}
+
+	case IB_MGMT_METHOD_TRAP:
+	case IB_MGMT_METHOD_GET_RESP:
+		/*
+		 * The ib_mad module will call us to process responses
+		 * before checking for other consumers.
+		 * Just tell the caller to process it normally.
+		 */
+		ret = IB_MAD_RESULT_SUCCESS;
+		goto bail;
+
+	default:
+		pmp->status |= IB_SMP_UNSUP_METHOD;
+		ret = reply((struct ib_smp *) pmp);
+	}
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_process_mad - process an incoming MAD packet
+ * @ibdev: the infiniband device this packet came in on
+ * @mad_flags: MAD flags
+ * @port: the port number this packet came in on
+ * @in_wc: the work completion entry for this packet
+ * @in_grh: the global route header for this packet
+ * @in_mad: the incoming MAD
+ * @out_mad: any outgoing MAD reply
+ *
+ * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not
+ * interested in processing.
+ *
+ * Note that the verbs framework has already done the MAD sanity checks,
+ * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
+ * MADs.
+ *
+ * This is called by the ib_mad module.
+ */
+int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
+		    struct ib_wc *in_wc, struct ib_grh *in_grh,
+		    struct ib_mad *in_mad, struct ib_mad *out_mad)
+{
+	int ret;
+
+	switch (in_mad->mad_hdr.mgmt_class) {
+	case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
+	case IB_MGMT_CLASS_SUBN_LID_ROUTED:
+		ret = process_subn(ibdev, mad_flags, port, in_mad, out_mad);
+		goto bail;
+
+	case IB_MGMT_CLASS_PERF_MGMT:
+		ret = process_perf(ibdev, port, in_mad, out_mad);
+		goto bail;
+
+	default:
+		ret = IB_MAD_RESULT_SUCCESS;
+	}
+
+bail:
+	return ret;
+}
+
+static void send_handler(struct ib_mad_agent *agent,
+			 struct ib_mad_send_wc *mad_send_wc)
+{
+	ib_free_send_mad(mad_send_wc->send_buf);
+}
+
+static void xmit_wait_timer_func(unsigned long opaque)
+{
+	struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
+	struct qib_devdata *dd = dd_from_ppd(ppd);
+	unsigned long flags;
+	u8 status;
+
+	spin_lock_irqsave(&ppd->ibport_data.lock, flags);
+	if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_SAMPLE) {
+		status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);
+		if (status == IB_PMA_SAMPLE_STATUS_DONE) {
+			/* save counter cache */
+			cache_hw_sample_counters(ppd);
+			ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER;
+		} else
+			goto done;
+	}
+	ppd->cong_stats.counter = xmit_wait_get_value_delta(ppd);
+	dd->f_set_cntr_sample(ppd, QIB_CONG_TIMER_PSINTERVAL, 0x0);
+done:
+	spin_unlock_irqrestore(&ppd->ibport_data.lock, flags);
+	mod_timer(&ppd->cong_stats.timer, jiffies + HZ);
+}
+
+int qib_create_agents(struct qib_ibdev *dev)
+{
+	struct qib_devdata *dd = dd_from_dev(dev);
+	struct ib_mad_agent *agent;
+	struct qib_ibport *ibp;
+	int p;
+	int ret;
+
+	for (p = 0; p < dd->num_pports; p++) {
+		ibp = &dd->pport[p].ibport_data;
+		agent = ib_register_mad_agent(&dev->ibdev, p + 1, IB_QPT_SMI,
+					      NULL, 0, send_handler,
+					      NULL, NULL);
+		if (IS_ERR(agent)) {
+			ret = PTR_ERR(agent);
+			goto err;
+		}
+
+		/* Initialize xmit_wait structure */
+		dd->pport[p].cong_stats.counter = 0;
+		init_timer(&dd->pport[p].cong_stats.timer);
+		dd->pport[p].cong_stats.timer.function = xmit_wait_timer_func;
+		dd->pport[p].cong_stats.timer.data =
+			(unsigned long)(&dd->pport[p]);
+		dd->pport[p].cong_stats.timer.expires = 0;
+		add_timer(&dd->pport[p].cong_stats.timer);
+
+		ibp->send_agent = agent;
+	}
+
+	return 0;
+
+err:
+	for (p = 0; p < dd->num_pports; p++) {
+		ibp = &dd->pport[p].ibport_data;
+		if (ibp->send_agent) {
+			agent = ibp->send_agent;
+			ibp->send_agent = NULL;
+			ib_unregister_mad_agent(agent);
+		}
+	}
+
+	return ret;
+}
+
+void qib_free_agents(struct qib_ibdev *dev)
+{
+	struct qib_devdata *dd = dd_from_dev(dev);
+	struct ib_mad_agent *agent;
+	struct qib_ibport *ibp;
+	int p;
+
+	for (p = 0; p < dd->num_pports; p++) {
+		ibp = &dd->pport[p].ibport_data;
+		if (ibp->send_agent) {
+			agent = ibp->send_agent;
+			ibp->send_agent = NULL;
+			ib_unregister_mad_agent(agent);
+		}
+		if (ibp->sm_ah) {
+			ib_destroy_ah(&ibp->sm_ah->ibah);
+			ibp->sm_ah = NULL;
+		}
+		if (dd->pport[p].cong_stats.timer.data)
+			del_timer_sync(&dd->pport[p].cong_stats.timer);
+	}
+}
diff --git a/drivers/infiniband/hw/qib/qib_mad.h b/drivers/infiniband/hw/qib/qib_mad.h
new file mode 100644
index 00000000000..147aff9117d
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_mad.h
@@ -0,0 +1,373 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define IB_SMP_UNSUP_VERSION    cpu_to_be16(0x0004)
+#define IB_SMP_UNSUP_METHOD     cpu_to_be16(0x0008)
+#define IB_SMP_UNSUP_METH_ATTR  cpu_to_be16(0x000C)
+#define IB_SMP_INVALID_FIELD    cpu_to_be16(0x001C)
+
+struct ib_node_info {
+	u8 base_version;
+	u8 class_version;
+	u8 node_type;
+	u8 num_ports;
+	__be64 sys_guid;
+	__be64 node_guid;
+	__be64 port_guid;
+	__be16 partition_cap;
+	__be16 device_id;
+	__be32 revision;
+	u8 local_port_num;
+	u8 vendor_id[3];
+} __attribute__ ((packed));
+
+struct ib_mad_notice_attr {
+	u8 generic_type;
+	u8 prod_type_msb;
+	__be16 prod_type_lsb;
+	__be16 trap_num;
+	__be16 issuer_lid;
+	__be16 toggle_count;
+
+	union {
+		struct {
+			u8	details[54];
+		} raw_data;
+
+		struct {
+			__be16	reserved;
+			__be16	lid;		/* where violation happened */
+			u8	port_num;	/* where violation happened */
+		} __attribute__ ((packed)) ntc_129_131;
+
+		struct {
+			__be16	reserved;
+			__be16	lid;		/* LID where change occured */
+			u8	reserved2;
+			u8	local_changes;	/* low bit - local changes */
+			__be32	new_cap_mask;	/* new capability mask */
+			u8	reserved3;
+			u8	change_flags;	/* low 3 bits only */
+		} __attribute__ ((packed)) ntc_144;
+
+		struct {
+			__be16	reserved;
+			__be16	lid;		/* lid where sys guid changed */
+			__be16	reserved2;
+			__be64	new_sys_guid;
+		} __attribute__ ((packed)) ntc_145;
+
+		struct {
+			__be16	reserved;
+			__be16	lid;
+			__be16	dr_slid;
+			u8	method;
+			u8	reserved2;
+			__be16	attr_id;
+			__be32	attr_mod;
+			__be64	mkey;
+			u8	reserved3;
+			u8	dr_trunc_hop;
+			u8	dr_rtn_path[30];
+		} __attribute__ ((packed)) ntc_256;
+
+		struct {
+			__be16		reserved;
+			__be16		lid1;
+			__be16		lid2;
+			__be32		key;
+			__be32		sl_qp1;	/* SL: high 4 bits */
+			__be32		qp2;	/* high 8 bits reserved */
+			union ib_gid	gid1;
+			union ib_gid	gid2;
+		} __attribute__ ((packed)) ntc_257_258;
+
+	} details;
+};
+
+/*
+ * Generic trap/notice types
+ */
+#define IB_NOTICE_TYPE_FATAL	0x80
+#define IB_NOTICE_TYPE_URGENT	0x81
+#define IB_NOTICE_TYPE_SECURITY	0x82
+#define IB_NOTICE_TYPE_SM	0x83
+#define IB_NOTICE_TYPE_INFO	0x84
+
+/*
+ * Generic trap/notice producers
+ */
+#define IB_NOTICE_PROD_CA		cpu_to_be16(1)
+#define IB_NOTICE_PROD_SWITCH		cpu_to_be16(2)
+#define IB_NOTICE_PROD_ROUTER		cpu_to_be16(3)
+#define IB_NOTICE_PROD_CLASS_MGR	cpu_to_be16(4)
+
+/*
+ * Generic trap/notice numbers
+ */
+#define IB_NOTICE_TRAP_LLI_THRESH	cpu_to_be16(129)
+#define IB_NOTICE_TRAP_EBO_THRESH	cpu_to_be16(130)
+#define IB_NOTICE_TRAP_FLOW_UPDATE	cpu_to_be16(131)
+#define IB_NOTICE_TRAP_CAP_MASK_CHG	cpu_to_be16(144)
+#define IB_NOTICE_TRAP_SYS_GUID_CHG	cpu_to_be16(145)
+#define IB_NOTICE_TRAP_BAD_MKEY		cpu_to_be16(256)
+#define IB_NOTICE_TRAP_BAD_PKEY		cpu_to_be16(257)
+#define IB_NOTICE_TRAP_BAD_QKEY		cpu_to_be16(258)
+
+/*
+ * Repress trap/notice flags
+ */
+#define IB_NOTICE_REPRESS_LLI_THRESH	(1 << 0)
+#define IB_NOTICE_REPRESS_EBO_THRESH	(1 << 1)
+#define IB_NOTICE_REPRESS_FLOW_UPDATE	(1 << 2)
+#define IB_NOTICE_REPRESS_CAP_MASK_CHG	(1 << 3)
+#define IB_NOTICE_REPRESS_SYS_GUID_CHG	(1 << 4)
+#define IB_NOTICE_REPRESS_BAD_MKEY	(1 << 5)
+#define IB_NOTICE_REPRESS_BAD_PKEY	(1 << 6)
+#define IB_NOTICE_REPRESS_BAD_QKEY	(1 << 7)
+
+/*
+ * Generic trap/notice other local changes flags (trap 144).
+ */
+#define IB_NOTICE_TRAP_LSE_CHG		0x04	/* Link Speed Enable changed */
+#define IB_NOTICE_TRAP_LWE_CHG		0x02	/* Link Width Enable changed */
+#define IB_NOTICE_TRAP_NODE_DESC_CHG	0x01
+
+/*
+ * Generic trap/notice M_Key volation flags in dr_trunc_hop (trap 256).
+ */
+#define IB_NOTICE_TRAP_DR_NOTICE	0x80
+#define IB_NOTICE_TRAP_DR_TRUNC		0x40
+
+struct ib_vl_weight_elem {
+	u8      vl;     /* Only low 4 bits, upper 4 bits reserved */
+	u8      weight;
+};
+
+#define IB_VLARB_LOWPRI_0_31    1
+#define IB_VLARB_LOWPRI_32_63   2
+#define IB_VLARB_HIGHPRI_0_31   3
+#define IB_VLARB_HIGHPRI_32_63  4
+
+/*
+ * PMA class portinfo capability mask bits
+ */
+#define IB_PMA_CLASS_CAP_ALLPORTSELECT  cpu_to_be16(1 << 8)
+#define IB_PMA_CLASS_CAP_EXT_WIDTH      cpu_to_be16(1 << 9)
+#define IB_PMA_CLASS_CAP_XMIT_WAIT      cpu_to_be16(1 << 12)
+
+#define IB_PMA_CLASS_PORT_INFO          cpu_to_be16(0x0001)
+#define IB_PMA_PORT_SAMPLES_CONTROL     cpu_to_be16(0x0010)
+#define IB_PMA_PORT_SAMPLES_RESULT      cpu_to_be16(0x0011)
+#define IB_PMA_PORT_COUNTERS            cpu_to_be16(0x0012)
+#define IB_PMA_PORT_COUNTERS_EXT        cpu_to_be16(0x001D)
+#define IB_PMA_PORT_SAMPLES_RESULT_EXT  cpu_to_be16(0x001E)
+#define IB_PMA_PORT_COUNTERS_CONG       cpu_to_be16(0xFF00)
+
+struct ib_perf {
+	u8 base_version;
+	u8 mgmt_class;
+	u8 class_version;
+	u8 method;
+	__be16 status;
+	__be16 unused;
+	__be64 tid;
+	__be16 attr_id;
+	__be16 resv;
+	__be32 attr_mod;
+	u8 reserved[40];
+	u8 data[192];
+} __attribute__ ((packed));
+
+struct ib_pma_classportinfo {
+	u8 base_version;
+	u8 class_version;
+	__be16 cap_mask;
+	u8 reserved[3];
+	u8 resp_time_value;     /* only lower 5 bits */
+	union ib_gid redirect_gid;
+	__be32 redirect_tc_sl_fl;       /* 8, 4, 20 bits respectively */
+	__be16 redirect_lid;
+	__be16 redirect_pkey;
+	__be32 redirect_qp;     /* only lower 24 bits */
+	__be32 redirect_qkey;
+	union ib_gid trap_gid;
+	__be32 trap_tc_sl_fl;   /* 8, 4, 20 bits respectively */
+	__be16 trap_lid;
+	__be16 trap_pkey;
+	__be32 trap_hl_qp;      /* 8, 24 bits respectively */
+	__be32 trap_qkey;
+} __attribute__ ((packed));
+
+struct ib_pma_portsamplescontrol {
+	u8 opcode;
+	u8 port_select;
+	u8 tick;
+	u8 counter_width;       /* only lower 3 bits */
+	__be32 counter_mask0_9; /* 2, 10 * 3, bits */
+	__be16 counter_mask10_14;       /* 1, 5 * 3, bits */
+	u8 sample_mechanisms;
+	u8 sample_status;       /* only lower 2 bits */
+	__be64 option_mask;
+	__be64 vendor_mask;
+	__be32 sample_start;
+	__be32 sample_interval;
+	__be16 tag;
+	__be16 counter_select[15];
+} __attribute__ ((packed));
+
+struct ib_pma_portsamplesresult {
+	__be16 tag;
+	__be16 sample_status;   /* only lower 2 bits */
+	__be32 counter[15];
+} __attribute__ ((packed));
+
+struct ib_pma_portsamplesresult_ext {
+	__be16 tag;
+	__be16 sample_status;   /* only lower 2 bits */
+	__be32 extended_width;  /* only upper 2 bits */
+	__be64 counter[15];
+} __attribute__ ((packed));
+
+struct ib_pma_portcounters {
+	u8 reserved;
+	u8 port_select;
+	__be16 counter_select;
+	__be16 symbol_error_counter;
+	u8 link_error_recovery_counter;
+	u8 link_downed_counter;
+	__be16 port_rcv_errors;
+	__be16 port_rcv_remphys_errors;
+	__be16 port_rcv_switch_relay_errors;
+	__be16 port_xmit_discards;
+	u8 port_xmit_constraint_errors;
+	u8 port_rcv_constraint_errors;
+	u8 reserved1;
+	u8 lli_ebor_errors;     /* 4, 4, bits */
+	__be16 reserved2;
+	__be16 vl15_dropped;
+	__be32 port_xmit_data;
+	__be32 port_rcv_data;
+	__be32 port_xmit_packets;
+	__be32 port_rcv_packets;
+} __attribute__ ((packed));
+
+struct ib_pma_portcounters_cong {
+	u8 reserved;
+	u8 reserved1;
+	__be16 port_check_rate;
+	__be16 symbol_error_counter;
+	u8 link_error_recovery_counter;
+	u8 link_downed_counter;
+	__be16 port_rcv_errors;
+	__be16 port_rcv_remphys_errors;
+	__be16 port_rcv_switch_relay_errors;
+	__be16 port_xmit_discards;
+	u8 port_xmit_constraint_errors;
+	u8 port_rcv_constraint_errors;
+	u8 reserved2;
+	u8 lli_ebor_errors;    /* 4, 4, bits */
+	__be16 reserved3;
+	__be16 vl15_dropped;
+	__be64 port_xmit_data;
+	__be64 port_rcv_data;
+	__be64 port_xmit_packets;
+	__be64 port_rcv_packets;
+	__be64 port_xmit_wait;
+	__be64 port_adr_events;
+} __attribute__ ((packed));
+
+#define IB_PMA_CONG_HW_CONTROL_TIMER            0x00
+#define IB_PMA_CONG_HW_CONTROL_SAMPLE           0x01
+
+#define QIB_XMIT_RATE_UNSUPPORTED               0x0
+#define QIB_XMIT_RATE_PICO                      0x7
+/* number of 4nsec cycles equaling 2secs */
+#define QIB_CONG_TIMER_PSINTERVAL               0x1DCD64EC
+
+#define IB_PMA_SEL_SYMBOL_ERROR                 cpu_to_be16(0x0001)
+#define IB_PMA_SEL_LINK_ERROR_RECOVERY          cpu_to_be16(0x0002)
+#define IB_PMA_SEL_LINK_DOWNED                  cpu_to_be16(0x0004)
+#define IB_PMA_SEL_PORT_RCV_ERRORS              cpu_to_be16(0x0008)
+#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS      cpu_to_be16(0x0010)
+#define IB_PMA_SEL_PORT_XMIT_DISCARDS           cpu_to_be16(0x0040)
+#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS  cpu_to_be16(0x0200)
+#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS    cpu_to_be16(0x0400)
+#define IB_PMA_SEL_PORT_VL15_DROPPED            cpu_to_be16(0x0800)
+#define IB_PMA_SEL_PORT_XMIT_DATA               cpu_to_be16(0x1000)
+#define IB_PMA_SEL_PORT_RCV_DATA                cpu_to_be16(0x2000)
+#define IB_PMA_SEL_PORT_XMIT_PACKETS            cpu_to_be16(0x4000)
+#define IB_PMA_SEL_PORT_RCV_PACKETS             cpu_to_be16(0x8000)
+
+#define IB_PMA_SEL_CONG_ALL                     0x01
+#define IB_PMA_SEL_CONG_PORT_DATA               0x02
+#define IB_PMA_SEL_CONG_XMIT                    0x04
+#define IB_PMA_SEL_CONG_ROUTING                 0x08
+
+struct ib_pma_portcounters_ext {
+	u8 reserved;
+	u8 port_select;
+	__be16 counter_select;
+	__be32 reserved1;
+	__be64 port_xmit_data;
+	__be64 port_rcv_data;
+	__be64 port_xmit_packets;
+	__be64 port_rcv_packets;
+	__be64 port_unicast_xmit_packets;
+	__be64 port_unicast_rcv_packets;
+	__be64 port_multicast_xmit_packets;
+	__be64 port_multicast_rcv_packets;
+} __attribute__ ((packed));
+
+#define IB_PMA_SELX_PORT_XMIT_DATA              cpu_to_be16(0x0001)
+#define IB_PMA_SELX_PORT_RCV_DATA               cpu_to_be16(0x0002)
+#define IB_PMA_SELX_PORT_XMIT_PACKETS           cpu_to_be16(0x0004)
+#define IB_PMA_SELX_PORT_RCV_PACKETS            cpu_to_be16(0x0008)
+#define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS       cpu_to_be16(0x0010)
+#define IB_PMA_SELX_PORT_UNI_RCV_PACKETS        cpu_to_be16(0x0020)
+#define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS     cpu_to_be16(0x0040)
+#define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS      cpu_to_be16(0x0080)
+
+/*
+ * The PortSamplesControl.CounterMasks field is an array of 3 bit fields
+ * which specify the N'th counter's capabilities. See ch. 16.1.3.2.
+ * We support 5 counters which only count the mandatory quantities.
+ */
+#define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
+#define COUNTER_MASK0_9 \
+	cpu_to_be32(COUNTER_MASK(1, 0) | \
+		    COUNTER_MASK(1, 1) | \
+		    COUNTER_MASK(1, 2) | \
+		    COUNTER_MASK(1, 3) | \
+		    COUNTER_MASK(1, 4))
diff --git a/drivers/infiniband/hw/qib/qib_mmap.c b/drivers/infiniband/hw/qib/qib_mmap.c
new file mode 100644
index 00000000000..8b73a11d571
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_mmap.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/mm.h>
+#include <linux/errno.h>
+#include <asm/pgtable.h>
+
+#include "qib_verbs.h"
+
+/**
+ * qib_release_mmap_info - free mmap info structure
+ * @ref: a pointer to the kref within struct qib_mmap_info
+ */
+void qib_release_mmap_info(struct kref *ref)
+{
+	struct qib_mmap_info *ip =
+		container_of(ref, struct qib_mmap_info, ref);
+	struct qib_ibdev *dev = to_idev(ip->context->device);
+
+	spin_lock_irq(&dev->pending_lock);
+	list_del(&ip->pending_mmaps);
+	spin_unlock_irq(&dev->pending_lock);
+
+	vfree(ip->obj);
+	kfree(ip);
+}
+
+/*
+ * open and close keep track of how many times the CQ is mapped,
+ * to avoid releasing it.
+ */
+static void qib_vma_open(struct vm_area_struct *vma)
+{
+	struct qib_mmap_info *ip = vma->vm_private_data;
+
+	kref_get(&ip->ref);
+}
+
+static void qib_vma_close(struct vm_area_struct *vma)
+{
+	struct qib_mmap_info *ip = vma->vm_private_data;
+
+	kref_put(&ip->ref, qib_release_mmap_info);
+}
+
+static struct vm_operations_struct qib_vm_ops = {
+	.open =     qib_vma_open,
+	.close =    qib_vma_close,
+};
+
+/**
+ * qib_mmap - create a new mmap region
+ * @context: the IB user context of the process making the mmap() call
+ * @vma: the VMA to be initialized
+ * Return zero if the mmap is OK. Otherwise, return an errno.
+ */
+int qib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
+{
+	struct qib_ibdev *dev = to_idev(context->device);
+	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
+	unsigned long size = vma->vm_end - vma->vm_start;
+	struct qib_mmap_info *ip, *pp;
+	int ret = -EINVAL;
+
+	/*
+	 * Search the device's list of objects waiting for a mmap call.
+	 * Normally, this list is very short since a call to create a
+	 * CQ, QP, or SRQ is soon followed by a call to mmap().
+	 */
+	spin_lock_irq(&dev->pending_lock);
+	list_for_each_entry_safe(ip, pp, &dev->pending_mmaps,
+				 pending_mmaps) {
+		/* Only the creator is allowed to mmap the object */
+		if (context != ip->context || (__u64) offset != ip->offset)
+			continue;
+		/* Don't allow a mmap larger than the object. */
+		if (size > ip->size)
+			break;
+
+		list_del_init(&ip->pending_mmaps);
+		spin_unlock_irq(&dev->pending_lock);
+
+		ret = remap_vmalloc_range(vma, ip->obj, 0);
+		if (ret)
+			goto done;
+		vma->vm_ops = &qib_vm_ops;
+		vma->vm_private_data = ip;
+		qib_vma_open(vma);
+		goto done;
+	}
+	spin_unlock_irq(&dev->pending_lock);
+done:
+	return ret;
+}
+
+/*
+ * Allocate information for qib_mmap
+ */
+struct qib_mmap_info *qib_create_mmap_info(struct qib_ibdev *dev,
+					   u32 size,
+					   struct ib_ucontext *context,
+					   void *obj) {
+	struct qib_mmap_info *ip;
+
+	ip = kmalloc(sizeof *ip, GFP_KERNEL);
+	if (!ip)
+		goto bail;
+
+	size = PAGE_ALIGN(size);
+
+	spin_lock_irq(&dev->mmap_offset_lock);
+	if (dev->mmap_offset == 0)
+		dev->mmap_offset = PAGE_SIZE;
+	ip->offset = dev->mmap_offset;
+	dev->mmap_offset += size;
+	spin_unlock_irq(&dev->mmap_offset_lock);
+
+	INIT_LIST_HEAD(&ip->pending_mmaps);
+	ip->size = size;
+	ip->context = context;
+	ip->obj = obj;
+	kref_init(&ip->ref);
+
+bail:
+	return ip;
+}
+
+void qib_update_mmap_info(struct qib_ibdev *dev, struct qib_mmap_info *ip,
+			  u32 size, void *obj)
+{
+	size = PAGE_ALIGN(size);
+
+	spin_lock_irq(&dev->mmap_offset_lock);
+	if (dev->mmap_offset == 0)
+		dev->mmap_offset = PAGE_SIZE;
+	ip->offset = dev->mmap_offset;
+	dev->mmap_offset += size;
+	spin_unlock_irq(&dev->mmap_offset_lock);
+
+	ip->size = size;
+	ip->obj = obj;
+}
diff --git a/drivers/infiniband/hw/qib/qib_mr.c b/drivers/infiniband/hw/qib/qib_mr.c
new file mode 100644
index 00000000000..5f95f0f6385
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_mr.c
@@ -0,0 +1,503 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <rdma/ib_umem.h>
+#include <rdma/ib_smi.h>
+
+#include "qib.h"
+
+/* Fast memory region */
+struct qib_fmr {
+	struct ib_fmr ibfmr;
+	u8 page_shift;
+	struct qib_mregion mr;        /* must be last */
+};
+
+static inline struct qib_fmr *to_ifmr(struct ib_fmr *ibfmr)
+{
+	return container_of(ibfmr, struct qib_fmr, ibfmr);
+}
+
+/**
+ * qib_get_dma_mr - get a DMA memory region
+ * @pd: protection domain for this memory region
+ * @acc: access flags
+ *
+ * Returns the memory region on success, otherwise returns an errno.
+ * Note that all DMA addresses should be created via the
+ * struct ib_dma_mapping_ops functions (see qib_dma.c).
+ */
+struct ib_mr *qib_get_dma_mr(struct ib_pd *pd, int acc)
+{
+	struct qib_ibdev *dev = to_idev(pd->device);
+	struct qib_mr *mr;
+	struct ib_mr *ret;
+	unsigned long flags;
+
+	if (to_ipd(pd)->user) {
+		ret = ERR_PTR(-EPERM);
+		goto bail;
+	}
+
+	mr = kzalloc(sizeof *mr, GFP_KERNEL);
+	if (!mr) {
+		ret = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	mr->mr.access_flags = acc;
+	atomic_set(&mr->mr.refcount, 0);
+
+	spin_lock_irqsave(&dev->lk_table.lock, flags);
+	if (!dev->dma_mr)
+		dev->dma_mr = &mr->mr;
+	spin_unlock_irqrestore(&dev->lk_table.lock, flags);
+
+	ret = &mr->ibmr;
+
+bail:
+	return ret;
+}
+
+static struct qib_mr *alloc_mr(int count, struct qib_lkey_table *lk_table)
+{
+	struct qib_mr *mr;
+	int m, i = 0;
+
+	/* Allocate struct plus pointers to first level page tables. */
+	m = (count + QIB_SEGSZ - 1) / QIB_SEGSZ;
+	mr = kmalloc(sizeof *mr + m * sizeof mr->mr.map[0], GFP_KERNEL);
+	if (!mr)
+		goto done;
+
+	/* Allocate first level page tables. */
+	for (; i < m; i++) {
+		mr->mr.map[i] = kmalloc(sizeof *mr->mr.map[0], GFP_KERNEL);
+		if (!mr->mr.map[i])
+			goto bail;
+	}
+	mr->mr.mapsz = m;
+	mr->mr.max_segs = count;
+
+	/*
+	 * ib_reg_phys_mr() will initialize mr->ibmr except for
+	 * lkey and rkey.
+	 */
+	if (!qib_alloc_lkey(lk_table, &mr->mr))
+		goto bail;
+	mr->ibmr.lkey = mr->mr.lkey;
+	mr->ibmr.rkey = mr->mr.lkey;
+
+	atomic_set(&mr->mr.refcount, 0);
+	goto done;
+
+bail:
+	while (i)
+		kfree(mr->mr.map[--i]);
+	kfree(mr);
+	mr = NULL;
+
+done:
+	return mr;
+}
+
+/**
+ * qib_reg_phys_mr - register a physical memory region
+ * @pd: protection domain for this memory region
+ * @buffer_list: pointer to the list of physical buffers to register
+ * @num_phys_buf: the number of physical buffers to register
+ * @iova_start: the starting address passed over IB which maps to this MR
+ *
+ * Returns the memory region on success, otherwise returns an errno.
+ */
+struct ib_mr *qib_reg_phys_mr(struct ib_pd *pd,
+			      struct ib_phys_buf *buffer_list,
+			      int num_phys_buf, int acc, u64 *iova_start)
+{
+	struct qib_mr *mr;
+	int n, m, i;
+	struct ib_mr *ret;
+
+	mr = alloc_mr(num_phys_buf, &to_idev(pd->device)->lk_table);
+	if (mr == NULL) {
+		ret = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	mr->mr.pd = pd;
+	mr->mr.user_base = *iova_start;
+	mr->mr.iova = *iova_start;
+	mr->mr.length = 0;
+	mr->mr.offset = 0;
+	mr->mr.access_flags = acc;
+	mr->umem = NULL;
+
+	m = 0;
+	n = 0;
+	for (i = 0; i < num_phys_buf; i++) {
+		mr->mr.map[m]->segs[n].vaddr = (void *) buffer_list[i].addr;
+		mr->mr.map[m]->segs[n].length = buffer_list[i].size;
+		mr->mr.length += buffer_list[i].size;
+		n++;
+		if (n == QIB_SEGSZ) {
+			m++;
+			n = 0;
+		}
+	}
+
+	ret = &mr->ibmr;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_reg_user_mr - register a userspace memory region
+ * @pd: protection domain for this memory region
+ * @start: starting userspace address
+ * @length: length of region to register
+ * @virt_addr: virtual address to use (from HCA's point of view)
+ * @mr_access_flags: access flags for this memory region
+ * @udata: unused by the QLogic_IB driver
+ *
+ * Returns the memory region on success, otherwise returns an errno.
+ */
+struct ib_mr *qib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
+			      u64 virt_addr, int mr_access_flags,
+			      struct ib_udata *udata)
+{
+	struct qib_mr *mr;
+	struct ib_umem *umem;
+	struct ib_umem_chunk *chunk;
+	int n, m, i;
+	struct ib_mr *ret;
+
+	if (length == 0) {
+		ret = ERR_PTR(-EINVAL);
+		goto bail;
+	}
+
+	umem = ib_umem_get(pd->uobject->context, start, length,
+			   mr_access_flags, 0);
+	if (IS_ERR(umem))
+		return (void *) umem;
+
+	n = 0;
+	list_for_each_entry(chunk, &umem->chunk_list, list)
+		n += chunk->nents;
+
+	mr = alloc_mr(n, &to_idev(pd->device)->lk_table);
+	if (!mr) {
+		ret = ERR_PTR(-ENOMEM);
+		ib_umem_release(umem);
+		goto bail;
+	}
+
+	mr->mr.pd = pd;
+	mr->mr.user_base = start;
+	mr->mr.iova = virt_addr;
+	mr->mr.length = length;
+	mr->mr.offset = umem->offset;
+	mr->mr.access_flags = mr_access_flags;
+	mr->umem = umem;
+
+	m = 0;
+	n = 0;
+	list_for_each_entry(chunk, &umem->chunk_list, list) {
+		for (i = 0; i < chunk->nents; i++) {
+			void *vaddr;
+
+			vaddr = page_address(sg_page(&chunk->page_list[i]));
+			if (!vaddr) {
+				ret = ERR_PTR(-EINVAL);
+				goto bail;
+			}
+			mr->mr.map[m]->segs[n].vaddr = vaddr;
+			mr->mr.map[m]->segs[n].length = umem->page_size;
+			n++;
+			if (n == QIB_SEGSZ) {
+				m++;
+				n = 0;
+			}
+		}
+	}
+	ret = &mr->ibmr;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_dereg_mr - unregister and free a memory region
+ * @ibmr: the memory region to free
+ *
+ * Returns 0 on success.
+ *
+ * Note that this is called to free MRs created by qib_get_dma_mr()
+ * or qib_reg_user_mr().
+ */
+int qib_dereg_mr(struct ib_mr *ibmr)
+{
+	struct qib_mr *mr = to_imr(ibmr);
+	struct qib_ibdev *dev = to_idev(ibmr->device);
+	int ret;
+	int i;
+
+	ret = qib_free_lkey(dev, &mr->mr);
+	if (ret)
+		return ret;
+
+	i = mr->mr.mapsz;
+	while (i)
+		kfree(mr->mr.map[--i]);
+	if (mr->umem)
+		ib_umem_release(mr->umem);
+	kfree(mr);
+	return 0;
+}
+
+/*
+ * Allocate a memory region usable with the
+ * IB_WR_FAST_REG_MR send work request.
+ *
+ * Return the memory region on success, otherwise return an errno.
+ */
+struct ib_mr *qib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len)
+{
+	struct qib_mr *mr;
+
+	mr = alloc_mr(max_page_list_len, &to_idev(pd->device)->lk_table);
+	if (mr == NULL)
+		return ERR_PTR(-ENOMEM);
+
+	mr->mr.pd = pd;
+	mr->mr.user_base = 0;
+	mr->mr.iova = 0;
+	mr->mr.length = 0;
+	mr->mr.offset = 0;
+	mr->mr.access_flags = 0;
+	mr->umem = NULL;
+
+	return &mr->ibmr;
+}
+
+struct ib_fast_reg_page_list *
+qib_alloc_fast_reg_page_list(struct ib_device *ibdev, int page_list_len)
+{
+	unsigned size = page_list_len * sizeof(u64);
+	struct ib_fast_reg_page_list *pl;
+
+	if (size > PAGE_SIZE)
+		return ERR_PTR(-EINVAL);
+
+	pl = kmalloc(sizeof *pl, GFP_KERNEL);
+	if (!pl)
+		return ERR_PTR(-ENOMEM);
+
+	pl->page_list = kmalloc(size, GFP_KERNEL);
+	if (!pl->page_list)
+		goto err_free;
+
+	return pl;
+
+err_free:
+	kfree(pl);
+	return ERR_PTR(-ENOMEM);
+}
+
+void qib_free_fast_reg_page_list(struct ib_fast_reg_page_list *pl)
+{
+	kfree(pl->page_list);
+	kfree(pl);
+}
+
+/**
+ * qib_alloc_fmr - allocate a fast memory region
+ * @pd: the protection domain for this memory region
+ * @mr_access_flags: access flags for this memory region
+ * @fmr_attr: fast memory region attributes
+ *
+ * Returns the memory region on success, otherwise returns an errno.
+ */
+struct ib_fmr *qib_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
+			     struct ib_fmr_attr *fmr_attr)
+{
+	struct qib_fmr *fmr;
+	int m, i = 0;
+	struct ib_fmr *ret;
+
+	/* Allocate struct plus pointers to first level page tables. */
+	m = (fmr_attr->max_pages + QIB_SEGSZ - 1) / QIB_SEGSZ;
+	fmr = kmalloc(sizeof *fmr + m * sizeof fmr->mr.map[0], GFP_KERNEL);
+	if (!fmr)
+		goto bail;
+
+	/* Allocate first level page tables. */
+	for (; i < m; i++) {
+		fmr->mr.map[i] = kmalloc(sizeof *fmr->mr.map[0],
+					 GFP_KERNEL);
+		if (!fmr->mr.map[i])
+			goto bail;
+	}
+	fmr->mr.mapsz = m;
+
+	/*
+	 * ib_alloc_fmr() will initialize fmr->ibfmr except for lkey &
+	 * rkey.
+	 */
+	if (!qib_alloc_lkey(&to_idev(pd->device)->lk_table, &fmr->mr))
+		goto bail;
+	fmr->ibfmr.rkey = fmr->mr.lkey;
+	fmr->ibfmr.lkey = fmr->mr.lkey;
+	/*
+	 * Resources are allocated but no valid mapping (RKEY can't be
+	 * used).
+	 */
+	fmr->mr.pd = pd;
+	fmr->mr.user_base = 0;
+	fmr->mr.iova = 0;
+	fmr->mr.length = 0;
+	fmr->mr.offset = 0;
+	fmr->mr.access_flags = mr_access_flags;
+	fmr->mr.max_segs = fmr_attr->max_pages;
+	fmr->page_shift = fmr_attr->page_shift;
+
+	atomic_set(&fmr->mr.refcount, 0);
+	ret = &fmr->ibfmr;
+	goto done;
+
+bail:
+	while (i)
+		kfree(fmr->mr.map[--i]);
+	kfree(fmr);
+	ret = ERR_PTR(-ENOMEM);
+
+done:
+	return ret;
+}
+
+/**
+ * qib_map_phys_fmr - set up a fast memory region
+ * @ibmfr: the fast memory region to set up
+ * @page_list: the list of pages to associate with the fast memory region
+ * @list_len: the number of pages to associate with the fast memory region
+ * @iova: the virtual address of the start of the fast memory region
+ *
+ * This may be called from interrupt context.
+ */
+
+int qib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
+		     int list_len, u64 iova)
+{
+	struct qib_fmr *fmr = to_ifmr(ibfmr);
+	struct qib_lkey_table *rkt;
+	unsigned long flags;
+	int m, n, i;
+	u32 ps;
+	int ret;
+
+	if (atomic_read(&fmr->mr.refcount))
+		return -EBUSY;
+
+	if (list_len > fmr->mr.max_segs) {
+		ret = -EINVAL;
+		goto bail;
+	}
+	rkt = &to_idev(ibfmr->device)->lk_table;
+	spin_lock_irqsave(&rkt->lock, flags);
+	fmr->mr.user_base = iova;
+	fmr->mr.iova = iova;
+	ps = 1 << fmr->page_shift;
+	fmr->mr.length = list_len * ps;
+	m = 0;
+	n = 0;
+	for (i = 0; i < list_len; i++) {
+		fmr->mr.map[m]->segs[n].vaddr = (void *) page_list[i];
+		fmr->mr.map[m]->segs[n].length = ps;
+		if (++n == QIB_SEGSZ) {
+			m++;
+			n = 0;
+		}
+	}
+	spin_unlock_irqrestore(&rkt->lock, flags);
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_unmap_fmr - unmap fast memory regions
+ * @fmr_list: the list of fast memory regions to unmap
+ *
+ * Returns 0 on success.
+ */
+int qib_unmap_fmr(struct list_head *fmr_list)
+{
+	struct qib_fmr *fmr;
+	struct qib_lkey_table *rkt;
+	unsigned long flags;
+
+	list_for_each_entry(fmr, fmr_list, ibfmr.list) {
+		rkt = &to_idev(fmr->ibfmr.device)->lk_table;
+		spin_lock_irqsave(&rkt->lock, flags);
+		fmr->mr.user_base = 0;
+		fmr->mr.iova = 0;
+		fmr->mr.length = 0;
+		spin_unlock_irqrestore(&rkt->lock, flags);
+	}
+	return 0;
+}
+
+/**
+ * qib_dealloc_fmr - deallocate a fast memory region
+ * @ibfmr: the fast memory region to deallocate
+ *
+ * Returns 0 on success.
+ */
+int qib_dealloc_fmr(struct ib_fmr *ibfmr)
+{
+	struct qib_fmr *fmr = to_ifmr(ibfmr);
+	int ret;
+	int i;
+
+	ret = qib_free_lkey(to_idev(ibfmr->device), &fmr->mr);
+	if (ret)
+		return ret;
+
+	i = fmr->mr.mapsz;
+	while (i)
+		kfree(fmr->mr.map[--i]);
+	kfree(fmr);
+	return 0;
+}
diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
new file mode 100644
index 00000000000..c926bf4541d
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -0,0 +1,738 @@
+/*
+ * Copyright (c) 2008, 2009 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/vmalloc.h>
+#include <linux/aer.h>
+
+#include "qib.h"
+
+/*
+ * This file contains PCIe utility routines that are common to the
+ * various QLogic InfiniPath adapters
+ */
+
+/*
+ * Code to adjust PCIe capabilities.
+ * To minimize the change footprint, we call it
+ * from qib_pcie_params, which every chip-specific
+ * file calls, even though this violates some
+ * expectations of harmlessness.
+ */
+static int qib_tune_pcie_caps(struct qib_devdata *);
+static int qib_tune_pcie_coalesce(struct qib_devdata *);
+
+/*
+ * Do all the common PCIe setup and initialization.
+ * devdata is not yet allocated, and is not allocated until after this
+ * routine returns success.  Therefore qib_dev_err() can't be used for error
+ * printing.
+ */
+int qib_pcie_init(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	int ret;
+
+	ret = pci_enable_device(pdev);
+	if (ret) {
+		/*
+		 * This can happen (in theory) iff:
+		 * We did a chip reset, and then failed to reprogram the
+		 * BAR, or the chip reset due to an internal error.  We then
+		 * unloaded the driver and reloaded it.
+		 *
+		 * Both reset cases set the BAR back to initial state.  For
+		 * the latter case, the AER sticky error bit at offset 0x718
+		 * should be set, but the Linux kernel doesn't yet know
+		 * about that, it appears.  If the original BAR was retained
+		 * in the kernel data structures, this may be OK.
+		 */
+		qib_early_err(&pdev->dev, "pci enable failed: error %d\n",
+			      -ret);
+		goto done;
+	}
+
+	ret = pci_request_regions(pdev, QIB_DRV_NAME);
+	if (ret) {
+		qib_devinfo(pdev, "pci_request_regions fails: err %d\n", -ret);
+		goto bail;
+	}
+
+	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+	if (ret) {
+		/*
+		 * If the 64 bit setup fails, try 32 bit.  Some systems
+		 * do not setup 64 bit maps on systems with 2GB or less
+		 * memory installed.
+		 */
+		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+		if (ret) {
+			qib_devinfo(pdev, "Unable to set DMA mask: %d\n", ret);
+			goto bail;
+		}
+		ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+	} else
+		ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+	if (ret)
+		qib_early_err(&pdev->dev,
+			      "Unable to set DMA consistent mask: %d\n", ret);
+
+	pci_set_master(pdev);
+	ret = pci_enable_pcie_error_reporting(pdev);
+	if (ret)
+		qib_early_err(&pdev->dev,
+			      "Unable to enable pcie error reporting: %d\n",
+			      ret);
+	goto done;
+
+bail:
+	pci_disable_device(pdev);
+	pci_release_regions(pdev);
+done:
+	return ret;
+}
+
+/*
+ * Do remaining PCIe setup, once dd is allocated, and save away
+ * fields required to re-initialize after a chip reset, or for
+ * various other purposes
+ */
+int qib_pcie_ddinit(struct qib_devdata *dd, struct pci_dev *pdev,
+		    const struct pci_device_id *ent)
+{
+	unsigned long len;
+	resource_size_t addr;
+
+	dd->pcidev = pdev;
+	pci_set_drvdata(pdev, dd);
+
+	addr = pci_resource_start(pdev, 0);
+	len = pci_resource_len(pdev, 0);
+
+#if defined(__powerpc__)
+	/* There isn't a generic way to specify writethrough mappings */
+	dd->kregbase = __ioremap(addr, len, _PAGE_NO_CACHE | _PAGE_WRITETHRU);
+#else
+	dd->kregbase = ioremap_nocache(addr, len);
+#endif
+
+	if (!dd->kregbase)
+		return -ENOMEM;
+
+	dd->kregend = (u64 __iomem *)((void __iomem *) dd->kregbase + len);
+	dd->physaddr = addr;        /* used for io_remap, etc. */
+
+	/*
+	 * Save BARs to rewrite after device reset.  Save all 64 bits of
+	 * BAR, just in case.
+	 */
+	dd->pcibar0 = addr;
+	dd->pcibar1 = addr >> 32;
+	dd->deviceid = ent->device; /* save for later use */
+	dd->vendorid = ent->vendor;
+
+	return 0;
+}
+
+/*
+ * Do PCIe cleanup, after chip-specific cleanup, etc.  Just prior
+ * to releasing the dd memory.
+ * void because none of the core pcie cleanup returns are void
+ */
+void qib_pcie_ddcleanup(struct qib_devdata *dd)
+{
+	u64 __iomem *base = (void __iomem *) dd->kregbase;
+
+	dd->kregbase = NULL;
+	iounmap(base);
+	if (dd->piobase)
+		iounmap(dd->piobase);
+	if (dd->userbase)
+		iounmap(dd->userbase);
+
+	pci_disable_device(dd->pcidev);
+	pci_release_regions(dd->pcidev);
+
+	pci_set_drvdata(dd->pcidev, NULL);
+}
+
+static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt,
+			   struct msix_entry *msix_entry)
+{
+	int ret;
+	u32 tabsize = 0;
+	u16 msix_flags;
+
+	pci_read_config_word(dd->pcidev, pos + PCI_MSIX_FLAGS, &msix_flags);
+	tabsize = 1 + (msix_flags & PCI_MSIX_FLAGS_QSIZE);
+	if (tabsize > *msixcnt)
+		tabsize = *msixcnt;
+	ret = pci_enable_msix(dd->pcidev, msix_entry, tabsize);
+	if (ret > 0) {
+		tabsize = ret;
+		ret = pci_enable_msix(dd->pcidev, msix_entry, tabsize);
+	}
+	if (ret) {
+		qib_dev_err(dd, "pci_enable_msix %d vectors failed: %d, "
+			    "falling back to INTx\n", tabsize, ret);
+		tabsize = 0;
+	}
+	*msixcnt = tabsize;
+
+	if (ret)
+		qib_enable_intx(dd->pcidev);
+
+}
+
+/**
+ * We save the msi lo and hi values, so we can restore them after
+ * chip reset (the kernel PCI infrastructure doesn't yet handle that
+ * correctly.
+ */
+static int qib_msi_setup(struct qib_devdata *dd, int pos)
+{
+	struct pci_dev *pdev = dd->pcidev;
+	u16 control;
+	int ret;
+
+	ret = pci_enable_msi(pdev);
+	if (ret)
+		qib_dev_err(dd, "pci_enable_msi failed: %d, "
+			    "interrupts may not work\n", ret);
+	/* continue even if it fails, we may still be OK... */
+
+	pci_read_config_dword(pdev, pos + PCI_MSI_ADDRESS_LO,
+			      &dd->msi_lo);
+	pci_read_config_dword(pdev, pos + PCI_MSI_ADDRESS_HI,
+			      &dd->msi_hi);
+	pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
+	/* now save the data (vector) info */
+	pci_read_config_word(pdev, pos + ((control & PCI_MSI_FLAGS_64BIT)
+				    ? 12 : 8),
+			     &dd->msi_data);
+	return ret;
+}
+
+int qib_pcie_params(struct qib_devdata *dd, u32 minw, u32 *nent,
+		    struct msix_entry *entry)
+{
+	u16 linkstat, speed;
+	int pos = 0, pose, ret = 1;
+
+	pose = pci_find_capability(dd->pcidev, PCI_CAP_ID_EXP);
+	if (!pose) {
+		qib_dev_err(dd, "Can't find PCI Express capability!\n");
+		/* set up something... */
+		dd->lbus_width = 1;
+		dd->lbus_speed = 2500; /* Gen1, 2.5GHz */
+		goto bail;
+	}
+
+	pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSIX);
+	if (nent && *nent && pos) {
+		qib_msix_setup(dd, pos, nent, entry);
+		ret = 0; /* did it, either MSIx or INTx */
+	} else {
+		pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSI);
+		if (pos)
+			ret = qib_msi_setup(dd, pos);
+		else
+			qib_dev_err(dd, "No PCI MSI or MSIx capability!\n");
+	}
+	if (!pos)
+		qib_enable_intx(dd->pcidev);
+
+	pci_read_config_word(dd->pcidev, pose + PCI_EXP_LNKSTA, &linkstat);
+	/*
+	 * speed is bits 0-3, linkwidth is bits 4-8
+	 * no defines for them in headers
+	 */
+	speed = linkstat & 0xf;
+	linkstat >>= 4;
+	linkstat &= 0x1f;
+	dd->lbus_width = linkstat;
+
+	switch (speed) {
+	case 1:
+		dd->lbus_speed = 2500; /* Gen1, 2.5GHz */
+		break;
+	case 2:
+		dd->lbus_speed = 5000; /* Gen1, 5GHz */
+		break;
+	default: /* not defined, assume gen1 */
+		dd->lbus_speed = 2500;
+		break;
+	}
+
+	/*
+	 * Check against expected pcie width and complain if "wrong"
+	 * on first initialization, not afterwards (i.e., reset).
+	 */
+	if (minw && linkstat < minw)
+		qib_dev_err(dd,
+			    "PCIe width %u (x%u HCA), performance reduced\n",
+			    linkstat, minw);
+
+	qib_tune_pcie_caps(dd);
+
+	qib_tune_pcie_coalesce(dd);
+
+bail:
+	/* fill in string, even on errors */
+	snprintf(dd->lbus_info, sizeof(dd->lbus_info),
+		 "PCIe,%uMHz,x%u\n", dd->lbus_speed, dd->lbus_width);
+	return ret;
+}
+
+/*
+ * Setup pcie interrupt stuff again after a reset.  I'd like to just call
+ * pci_enable_msi() again for msi, but when I do that,
+ * the MSI enable bit doesn't get set in the command word, and
+ * we switch to to a different interrupt vector, which is confusing,
+ * so I instead just do it all inline.  Perhaps somehow can tie this
+ * into the PCIe hotplug support at some point
+ */
+int qib_reinit_intr(struct qib_devdata *dd)
+{
+	int pos;
+	u16 control;
+	int ret = 0;
+
+	/* If we aren't using MSI, don't restore it */
+	if (!dd->msi_lo)
+		goto bail;
+
+	pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSI);
+	if (!pos) {
+		qib_dev_err(dd, "Can't find MSI capability, "
+			    "can't restore MSI settings\n");
+		ret = 0;
+		/* nothing special for MSIx, just MSI */
+		goto bail;
+	}
+	pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_LO,
+			       dd->msi_lo);
+	pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_HI,
+			       dd->msi_hi);
+	pci_read_config_word(dd->pcidev, pos + PCI_MSI_FLAGS, &control);
+	if (!(control & PCI_MSI_FLAGS_ENABLE)) {
+		control |= PCI_MSI_FLAGS_ENABLE;
+		pci_write_config_word(dd->pcidev, pos + PCI_MSI_FLAGS,
+				      control);
+	}
+	/* now rewrite the data (vector) info */
+	pci_write_config_word(dd->pcidev, pos +
+			      ((control & PCI_MSI_FLAGS_64BIT) ? 12 : 8),
+			      dd->msi_data);
+	ret = 1;
+bail:
+	if (!ret && (dd->flags & QIB_HAS_INTX)) {
+		qib_enable_intx(dd->pcidev);
+		ret = 1;
+	}
+
+	/* and now set the pci master bit again */
+	pci_set_master(dd->pcidev);
+
+	return ret;
+}
+
+/*
+ * Disable msi interrupt if enabled, and clear msi_lo.
+ * This is used primarily for the fallback to INTx, but
+ * is also used in reinit after reset, and during cleanup.
+ */
+void qib_nomsi(struct qib_devdata *dd)
+{
+	dd->msi_lo = 0;
+	pci_disable_msi(dd->pcidev);
+}
+
+/*
+ * Same as qib_nosmi, but for MSIx.
+ */
+void qib_nomsix(struct qib_devdata *dd)
+{
+	pci_disable_msix(dd->pcidev);
+}
+
+/*
+ * Similar to pci_intx(pdev, 1), except that we make sure
+ * msi(x) is off.
+ */
+void qib_enable_intx(struct pci_dev *pdev)
+{
+	u16 cw, new;
+	int pos;
+
+	/* first, turn on INTx */
+	pci_read_config_word(pdev, PCI_COMMAND, &cw);
+	new = cw & ~PCI_COMMAND_INTX_DISABLE;
+	if (new != cw)
+		pci_write_config_word(pdev, PCI_COMMAND, new);
+
+	pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
+	if (pos) {
+		/* then turn off MSI */
+		pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &cw);
+		new = cw & ~PCI_MSI_FLAGS_ENABLE;
+		if (new != cw)
+			pci_write_config_word(pdev, pos + PCI_MSI_FLAGS, new);
+	}
+	pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
+	if (pos) {
+		/* then turn off MSIx */
+		pci_read_config_word(pdev, pos + PCI_MSIX_FLAGS, &cw);
+		new = cw & ~PCI_MSIX_FLAGS_ENABLE;
+		if (new != cw)
+			pci_write_config_word(pdev, pos + PCI_MSIX_FLAGS, new);
+	}
+}
+
+/*
+ * These two routines are helper routines for the device reset code
+ * to move all the pcie code out of the chip-specific driver code.
+ */
+void qib_pcie_getcmd(struct qib_devdata *dd, u16 *cmd, u8 *iline, u8 *cline)
+{
+	pci_read_config_word(dd->pcidev, PCI_COMMAND, cmd);
+	pci_read_config_byte(dd->pcidev, PCI_INTERRUPT_LINE, iline);
+	pci_read_config_byte(dd->pcidev, PCI_CACHE_LINE_SIZE, cline);
+}
+
+void qib_pcie_reenable(struct qib_devdata *dd, u16 cmd, u8 iline, u8 cline)
+{
+	int r;
+	r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0,
+				   dd->pcibar0);
+	if (r)
+		qib_dev_err(dd, "rewrite of BAR0 failed: %d\n", r);
+	r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_1,
+				   dd->pcibar1);
+	if (r)
+		qib_dev_err(dd, "rewrite of BAR1 failed: %d\n", r);
+	/* now re-enable memory access, and restore cosmetic settings */
+	pci_write_config_word(dd->pcidev, PCI_COMMAND, cmd);
+	pci_write_config_byte(dd->pcidev, PCI_INTERRUPT_LINE, iline);
+	pci_write_config_byte(dd->pcidev, PCI_CACHE_LINE_SIZE, cline);
+	r = pci_enable_device(dd->pcidev);
+	if (r)
+		qib_dev_err(dd, "pci_enable_device failed after "
+			    "reset: %d\n", r);
+}
+
+/* code to adjust PCIe capabilities. */
+
+static int fld2val(int wd, int mask)
+{
+	int lsbmask;
+
+	if (!mask)
+		return 0;
+	wd &= mask;
+	lsbmask = mask ^ (mask & (mask - 1));
+	wd /= lsbmask;
+	return wd;
+}
+
+static int val2fld(int wd, int mask)
+{
+	int lsbmask;
+
+	if (!mask)
+		return 0;
+	lsbmask = mask ^ (mask & (mask - 1));
+	wd *= lsbmask;
+	return wd;
+}
+
+static int qib_pcie_coalesce;
+module_param_named(pcie_coalesce, qib_pcie_coalesce, int, S_IRUGO);
+MODULE_PARM_DESC(pcie_coalesce, "tune PCIe colescing on some Intel chipsets");
+
+/*
+ * Enable PCIe completion and data coalescing, on Intel 5x00 and 7300
+ * chipsets.   This is known to be unsafe for some revisions of some
+ * of these chipsets, with some BIOS settings, and enabling it on those
+ * systems may result in the system crashing, and/or data corruption.
+ */
+static int qib_tune_pcie_coalesce(struct qib_devdata *dd)
+{
+	int r;
+	struct pci_dev *parent;
+	int ppos;
+	u16 devid;
+	u32 mask, bits, val;
+
+	if (!qib_pcie_coalesce)
+		return 0;
+
+	/* Find out supported and configured values for parent (root) */
+	parent = dd->pcidev->bus->self;
+	if (parent->bus->parent) {
+		qib_devinfo(dd->pcidev, "Parent not root\n");
+		return 1;
+	}
+	ppos = pci_find_capability(parent, PCI_CAP_ID_EXP);
+	if (!ppos)
+		return 1;
+	if (parent->vendor != 0x8086)
+		return 1;
+
+	/*
+	 *  - bit 12: Max_rdcmp_Imt_EN: need to set to 1
+	 *  - bit 11: COALESCE_FORCE: need to set to 0
+	 *  - bit 10: COALESCE_EN: need to set to 1
+	 *  (but limitations on some on some chipsets)
+	 *
+	 *  On the Intel 5000, 5100, and 7300 chipsets, there is
+	 *  also: - bit 25:24: COALESCE_MODE, need to set to 0
+	 */
+	devid = parent->device;
+	if (devid >= 0x25e2 && devid <= 0x25fa) {
+		u8 rev;
+
+		/* 5000 P/V/X/Z */
+		pci_read_config_byte(parent, PCI_REVISION_ID, &rev);
+		if (rev <= 0xb2)
+			bits = 1U << 10;
+		else
+			bits = 7U << 10;
+		mask = (3U << 24) | (7U << 10);
+	} else if (devid >= 0x65e2 && devid <= 0x65fa) {
+		/* 5100 */
+		bits = 1U << 10;
+		mask = (3U << 24) | (7U << 10);
+	} else if (devid >= 0x4021 && devid <= 0x402e) {
+		/* 5400 */
+		bits = 7U << 10;
+		mask = 7U << 10;
+	} else if (devid >= 0x3604 && devid <= 0x360a) {
+		/* 7300 */
+		bits = 7U << 10;
+		mask = (3U << 24) | (7U << 10);
+	} else {
+		/* not one of the chipsets that we know about */
+		return 1;
+	}
+	pci_read_config_dword(parent, 0x48, &val);
+	val &= ~mask;
+	val |= bits;
+	r = pci_write_config_dword(parent, 0x48, val);
+	return 0;
+}
+
+/*
+ * BIOS may not set PCIe bus-utilization parameters for best performance.
+ * Check and optionally adjust them to maximize our throughput.
+ */
+static int qib_pcie_caps;
+module_param_named(pcie_caps, qib_pcie_caps, int, S_IRUGO);
+MODULE_PARM_DESC(pcie_caps, "Max PCIe tuning: Payload (4lsb), ReadReq (D4..7)");
+
+static int qib_tune_pcie_caps(struct qib_devdata *dd)
+{
+	int ret = 1; /* Assume the worst */
+	struct pci_dev *parent;
+	int ppos, epos;
+	u16 pcaps, pctl, ecaps, ectl;
+	int rc_sup, ep_sup;
+	int rc_cur, ep_cur;
+
+	/* Find out supported and configured values for parent (root) */
+	parent = dd->pcidev->bus->self;
+	if (parent->bus->parent) {
+		qib_devinfo(dd->pcidev, "Parent not root\n");
+		goto bail;
+	}
+	ppos = pci_find_capability(parent, PCI_CAP_ID_EXP);
+	if (ppos) {
+		pci_read_config_word(parent, ppos + PCI_EXP_DEVCAP, &pcaps);
+		pci_read_config_word(parent, ppos + PCI_EXP_DEVCTL, &pctl);
+	} else
+		goto bail;
+	/* Find out supported and configured values for endpoint (us) */
+	epos = pci_find_capability(dd->pcidev, PCI_CAP_ID_EXP);
+	if (epos) {
+		pci_read_config_word(dd->pcidev, epos + PCI_EXP_DEVCAP, &ecaps);
+		pci_read_config_word(dd->pcidev, epos + PCI_EXP_DEVCTL, &ectl);
+	} else
+		goto bail;
+	ret = 0;
+	/* Find max payload supported by root, endpoint */
+	rc_sup = fld2val(pcaps, PCI_EXP_DEVCAP_PAYLOAD);
+	ep_sup = fld2val(ecaps, PCI_EXP_DEVCAP_PAYLOAD);
+	if (rc_sup > ep_sup)
+		rc_sup = ep_sup;
+
+	rc_cur = fld2val(pctl, PCI_EXP_DEVCTL_PAYLOAD);
+	ep_cur = fld2val(ectl, PCI_EXP_DEVCTL_PAYLOAD);
+
+	/* If Supported greater than limit in module param, limit it */
+	if (rc_sup > (qib_pcie_caps & 7))
+		rc_sup = qib_pcie_caps & 7;
+	/* If less than (allowed, supported), bump root payload */
+	if (rc_sup > rc_cur) {
+		rc_cur = rc_sup;
+		pctl = (pctl & ~PCI_EXP_DEVCTL_PAYLOAD) |
+			val2fld(rc_cur, PCI_EXP_DEVCTL_PAYLOAD);
+		pci_write_config_word(parent, ppos + PCI_EXP_DEVCTL, pctl);
+	}
+	/* If less than (allowed, supported), bump endpoint payload */
+	if (rc_sup > ep_cur) {
+		ep_cur = rc_sup;
+		ectl = (ectl & ~PCI_EXP_DEVCTL_PAYLOAD) |
+			val2fld(ep_cur, PCI_EXP_DEVCTL_PAYLOAD);
+		pci_write_config_word(dd->pcidev, epos + PCI_EXP_DEVCTL, ectl);
+	}
+
+	/*
+	 * Now the Read Request size.
+	 * No field for max supported, but PCIe spec limits it to 4096,
+	 * which is code '5' (log2(4096) - 7)
+	 */
+	rc_sup = 5;
+	if (rc_sup > ((qib_pcie_caps >> 4) & 7))
+		rc_sup = (qib_pcie_caps >> 4) & 7;
+	rc_cur = fld2val(pctl, PCI_EXP_DEVCTL_READRQ);
+	ep_cur = fld2val(ectl, PCI_EXP_DEVCTL_READRQ);
+
+	if (rc_sup > rc_cur) {
+		rc_cur = rc_sup;
+		pctl = (pctl & ~PCI_EXP_DEVCTL_READRQ) |
+			val2fld(rc_cur, PCI_EXP_DEVCTL_READRQ);
+		pci_write_config_word(parent, ppos + PCI_EXP_DEVCTL, pctl);
+	}
+	if (rc_sup > ep_cur) {
+		ep_cur = rc_sup;
+		ectl = (ectl & ~PCI_EXP_DEVCTL_READRQ) |
+			val2fld(ep_cur, PCI_EXP_DEVCTL_READRQ);
+		pci_write_config_word(dd->pcidev, epos + PCI_EXP_DEVCTL, ectl);
+	}
+bail:
+	return ret;
+}
+/* End of PCIe capability tuning */
+
+/*
+ * From here through qib_pci_err_handler definition is invoked via
+ * PCI error infrastructure, registered via pci
+ */
+static pci_ers_result_t
+qib_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+	struct qib_devdata *dd = pci_get_drvdata(pdev);
+	pci_ers_result_t ret = PCI_ERS_RESULT_RECOVERED;
+
+	switch (state) {
+	case pci_channel_io_normal:
+		qib_devinfo(pdev, "State Normal, ignoring\n");
+		break;
+
+	case pci_channel_io_frozen:
+		qib_devinfo(pdev, "State Frozen, requesting reset\n");
+		pci_disable_device(pdev);
+		ret = PCI_ERS_RESULT_NEED_RESET;
+		break;
+
+	case pci_channel_io_perm_failure:
+		qib_devinfo(pdev, "State Permanent Failure, disabling\n");
+		if (dd) {
+			/* no more register accesses! */
+			dd->flags &= ~QIB_PRESENT;
+			qib_disable_after_error(dd);
+		}
+		 /* else early, or other problem */
+		ret =  PCI_ERS_RESULT_DISCONNECT;
+		break;
+
+	default: /* shouldn't happen */
+		qib_devinfo(pdev, "QIB PCI errors detected (state %d)\n",
+			state);
+		break;
+	}
+	return ret;
+}
+
+static pci_ers_result_t
+qib_pci_mmio_enabled(struct pci_dev *pdev)
+{
+	u64 words = 0U;
+	struct qib_devdata *dd = pci_get_drvdata(pdev);
+	pci_ers_result_t ret = PCI_ERS_RESULT_RECOVERED;
+
+	if (dd && dd->pport) {
+		words = dd->f_portcntr(dd->pport, QIBPORTCNTR_WORDRCV);
+		if (words == ~0ULL)
+			ret = PCI_ERS_RESULT_NEED_RESET;
+	}
+	qib_devinfo(pdev, "QIB mmio_enabled function called, "
+		 "read wordscntr %Lx, returning %d\n", words, ret);
+	return  ret;
+}
+
+static pci_ers_result_t
+qib_pci_slot_reset(struct pci_dev *pdev)
+{
+	qib_devinfo(pdev, "QIB link_reset function called, ignored\n");
+	return PCI_ERS_RESULT_CAN_RECOVER;
+}
+
+static pci_ers_result_t
+qib_pci_link_reset(struct pci_dev *pdev)
+{
+	qib_devinfo(pdev, "QIB link_reset function called, ignored\n");
+	return PCI_ERS_RESULT_CAN_RECOVER;
+}
+
+static void
+qib_pci_resume(struct pci_dev *pdev)
+{
+	struct qib_devdata *dd = pci_get_drvdata(pdev);
+	qib_devinfo(pdev, "QIB resume function called\n");
+	pci_cleanup_aer_uncorrect_error_status(pdev);
+	/*
+	 * Running jobs will fail, since it's asynchronous
+	 * unlike sysfs-requested reset.   Better than
+	 * doing nothing.
+	 */
+	qib_init(dd, 1); /* same as re-init after reset */
+}
+
+struct pci_error_handlers qib_pci_err_handler = {
+	.error_detected = qib_pci_error_detected,
+	.mmio_enabled = qib_pci_mmio_enabled,
+	.link_reset = qib_pci_link_reset,
+	.slot_reset = qib_pci_slot_reset,
+	.resume = qib_pci_resume,
+};
diff --git a/drivers/infiniband/hw/qib/qib_pio_copy.c b/drivers/infiniband/hw/qib/qib_pio_copy.c
new file mode 100644
index 00000000000..10b8c444dd3
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_pio_copy.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2009 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "qib.h"
+
+/**
+ * qib_pio_copy - copy data to MMIO space, in multiples of 32-bits
+ * @to: destination, in MMIO space (must be 64-bit aligned)
+ * @from: source (must be 64-bit aligned)
+ * @count: number of 32-bit quantities to copy
+ *
+ * Copy data from kernel space to MMIO space, in multiples of 32 bits at a
+ * time.  Order of access is not guaranteed, nor is a memory barrier
+ * performed afterwards.
+ */
+void qib_pio_copy(void __iomem *to, const void *from, size_t count)
+{
+#ifdef CONFIG_64BIT
+	u64 __iomem *dst = to;
+	const u64 *src = from;
+	const u64 *end = src + (count >> 1);
+
+	while (src < end)
+		__raw_writeq(*src++, dst++);
+	if (count & 1)
+		__raw_writel(*(const u32 *)src, dst);
+#else
+	u32 __iomem *dst = to;
+	const u32 *src = from;
+	const u32 *end = src + count;
+
+	while (src < end)
+		__raw_writel(*src++, dst++);
+#endif
+}
diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c
new file mode 100644
index 00000000000..e0f65e39076
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_qp.c
@@ -0,0 +1,1255 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/err.h>
+#include <linux/vmalloc.h>
+
+#include "qib.h"
+
+#define BITS_PER_PAGE           (PAGE_SIZE*BITS_PER_BYTE)
+#define BITS_PER_PAGE_MASK      (BITS_PER_PAGE-1)
+
+static inline unsigned mk_qpn(struct qib_qpn_table *qpt,
+			      struct qpn_map *map, unsigned off)
+{
+	return (map - qpt->map) * BITS_PER_PAGE + off;
+}
+
+static inline unsigned find_next_offset(struct qib_qpn_table *qpt,
+					struct qpn_map *map, unsigned off,
+					unsigned r)
+{
+	if (qpt->mask) {
+		off++;
+		if ((off & qpt->mask) >> 1 != r)
+			off = ((off & qpt->mask) ?
+				(off | qpt->mask) + 1 : off) | (r << 1);
+	} else
+		off = find_next_zero_bit(map->page, BITS_PER_PAGE, off);
+	return off;
+}
+
+/*
+ * Convert the AETH credit code into the number of credits.
+ */
+static u32 credit_table[31] = {
+	0,                      /* 0 */
+	1,                      /* 1 */
+	2,                      /* 2 */
+	3,                      /* 3 */
+	4,                      /* 4 */
+	6,                      /* 5 */
+	8,                      /* 6 */
+	12,                     /* 7 */
+	16,                     /* 8 */
+	24,                     /* 9 */
+	32,                     /* A */
+	48,                     /* B */
+	64,                     /* C */
+	96,                     /* D */
+	128,                    /* E */
+	192,                    /* F */
+	256,                    /* 10 */
+	384,                    /* 11 */
+	512,                    /* 12 */
+	768,                    /* 13 */
+	1024,                   /* 14 */
+	1536,                   /* 15 */
+	2048,                   /* 16 */
+	3072,                   /* 17 */
+	4096,                   /* 18 */
+	6144,                   /* 19 */
+	8192,                   /* 1A */
+	12288,                  /* 1B */
+	16384,                  /* 1C */
+	24576,                  /* 1D */
+	32768                   /* 1E */
+};
+
+static void get_map_page(struct qib_qpn_table *qpt, struct qpn_map *map)
+{
+	unsigned long page = get_zeroed_page(GFP_KERNEL);
+
+	/*
+	 * Free the page if someone raced with us installing it.
+	 */
+
+	spin_lock(&qpt->lock);
+	if (map->page)
+		free_page(page);
+	else
+		map->page = (void *)page;
+	spin_unlock(&qpt->lock);
+}
+
+/*
+ * Allocate the next available QPN or
+ * zero/one for QP type IB_QPT_SMI/IB_QPT_GSI.
+ */
+static int alloc_qpn(struct qib_devdata *dd, struct qib_qpn_table *qpt,
+		     enum ib_qp_type type, u8 port)
+{
+	u32 i, offset, max_scan, qpn;
+	struct qpn_map *map;
+	u32 ret;
+	int r;
+
+	if (type == IB_QPT_SMI || type == IB_QPT_GSI) {
+		unsigned n;
+
+		ret = type == IB_QPT_GSI;
+		n = 1 << (ret + 2 * (port - 1));
+		spin_lock(&qpt->lock);
+		if (qpt->flags & n)
+			ret = -EINVAL;
+		else
+			qpt->flags |= n;
+		spin_unlock(&qpt->lock);
+		goto bail;
+	}
+
+	r = smp_processor_id();
+	if (r >= dd->n_krcv_queues)
+		r %= dd->n_krcv_queues;
+	qpn = qpt->last + 1;
+	if (qpn >= QPN_MAX)
+		qpn = 2;
+	if (qpt->mask && ((qpn & qpt->mask) >> 1) != r)
+		qpn = ((qpn & qpt->mask) ? (qpn | qpt->mask) + 1 : qpn) |
+			(r << 1);
+	offset = qpn & BITS_PER_PAGE_MASK;
+	map = &qpt->map[qpn / BITS_PER_PAGE];
+	max_scan = qpt->nmaps - !offset;
+	for (i = 0;;) {
+		if (unlikely(!map->page)) {
+			get_map_page(qpt, map);
+			if (unlikely(!map->page))
+				break;
+		}
+		do {
+			if (!test_and_set_bit(offset, map->page)) {
+				qpt->last = qpn;
+				ret = qpn;
+				goto bail;
+			}
+			offset = find_next_offset(qpt, map, offset, r);
+			qpn = mk_qpn(qpt, map, offset);
+			/*
+			 * This test differs from alloc_pidmap().
+			 * If find_next_offset() does find a zero
+			 * bit, we don't need to check for QPN
+			 * wrapping around past our starting QPN.
+			 * We just need to be sure we don't loop
+			 * forever.
+			 */
+		} while (offset < BITS_PER_PAGE && qpn < QPN_MAX);
+		/*
+		 * In order to keep the number of pages allocated to a
+		 * minimum, we scan the all existing pages before increasing
+		 * the size of the bitmap table.
+		 */
+		if (++i > max_scan) {
+			if (qpt->nmaps == QPNMAP_ENTRIES)
+				break;
+			map = &qpt->map[qpt->nmaps++];
+			offset = qpt->mask ? (r << 1) : 0;
+		} else if (map < &qpt->map[qpt->nmaps]) {
+			++map;
+			offset = qpt->mask ? (r << 1) : 0;
+		} else {
+			map = &qpt->map[0];
+			offset = qpt->mask ? (r << 1) : 2;
+		}
+		qpn = mk_qpn(qpt, map, offset);
+	}
+
+	ret = -ENOMEM;
+
+bail:
+	return ret;
+}
+
+static void free_qpn(struct qib_qpn_table *qpt, u32 qpn)
+{
+	struct qpn_map *map;
+
+	map = qpt->map + qpn / BITS_PER_PAGE;
+	if (map->page)
+		clear_bit(qpn & BITS_PER_PAGE_MASK, map->page);
+}
+
+/*
+ * Put the QP into the hash table.
+ * The hash table holds a reference to the QP.
+ */
+static void insert_qp(struct qib_ibdev *dev, struct qib_qp *qp)
+{
+	struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
+	unsigned n = qp->ibqp.qp_num % dev->qp_table_size;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->qpt_lock, flags);
+
+	if (qp->ibqp.qp_num == 0)
+		ibp->qp0 = qp;
+	else if (qp->ibqp.qp_num == 1)
+		ibp->qp1 = qp;
+	else {
+		qp->next = dev->qp_table[n];
+		dev->qp_table[n] = qp;
+	}
+	atomic_inc(&qp->refcount);
+
+	spin_unlock_irqrestore(&dev->qpt_lock, flags);
+}
+
+/*
+ * Remove the QP from the table so it can't be found asynchronously by
+ * the receive interrupt routine.
+ */
+static void remove_qp(struct qib_ibdev *dev, struct qib_qp *qp)
+{
+	struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
+	struct qib_qp *q, **qpp;
+	unsigned long flags;
+
+	qpp = &dev->qp_table[qp->ibqp.qp_num % dev->qp_table_size];
+
+	spin_lock_irqsave(&dev->qpt_lock, flags);
+
+	if (ibp->qp0 == qp) {
+		ibp->qp0 = NULL;
+		atomic_dec(&qp->refcount);
+	} else if (ibp->qp1 == qp) {
+		ibp->qp1 = NULL;
+		atomic_dec(&qp->refcount);
+	} else
+		for (; (q = *qpp) != NULL; qpp = &q->next)
+			if (q == qp) {
+				*qpp = qp->next;
+				qp->next = NULL;
+				atomic_dec(&qp->refcount);
+				break;
+			}
+
+	spin_unlock_irqrestore(&dev->qpt_lock, flags);
+}
+
+/**
+ * qib_free_all_qps - check for QPs still in use
+ * @qpt: the QP table to empty
+ *
+ * There should not be any QPs still in use.
+ * Free memory for table.
+ */
+unsigned qib_free_all_qps(struct qib_devdata *dd)
+{
+	struct qib_ibdev *dev = &dd->verbs_dev;
+	unsigned long flags;
+	struct qib_qp *qp;
+	unsigned n, qp_inuse = 0;
+
+	for (n = 0; n < dd->num_pports; n++) {
+		struct qib_ibport *ibp = &dd->pport[n].ibport_data;
+
+		if (!qib_mcast_tree_empty(ibp))
+			qp_inuse++;
+		if (ibp->qp0)
+			qp_inuse++;
+		if (ibp->qp1)
+			qp_inuse++;
+	}
+
+	spin_lock_irqsave(&dev->qpt_lock, flags);
+	for (n = 0; n < dev->qp_table_size; n++) {
+		qp = dev->qp_table[n];
+		dev->qp_table[n] = NULL;
+
+		for (; qp; qp = qp->next)
+			qp_inuse++;
+	}
+	spin_unlock_irqrestore(&dev->qpt_lock, flags);
+
+	return qp_inuse;
+}
+
+/**
+ * qib_lookup_qpn - return the QP with the given QPN
+ * @qpt: the QP table
+ * @qpn: the QP number to look up
+ *
+ * The caller is responsible for decrementing the QP reference count
+ * when done.
+ */
+struct qib_qp *qib_lookup_qpn(struct qib_ibport *ibp, u32 qpn)
+{
+	struct qib_ibdev *dev = &ppd_from_ibp(ibp)->dd->verbs_dev;
+	unsigned long flags;
+	struct qib_qp *qp;
+
+	spin_lock_irqsave(&dev->qpt_lock, flags);
+
+	if (qpn == 0)
+		qp = ibp->qp0;
+	else if (qpn == 1)
+		qp = ibp->qp1;
+	else
+		for (qp = dev->qp_table[qpn % dev->qp_table_size]; qp;
+		     qp = qp->next)
+			if (qp->ibqp.qp_num == qpn)
+				break;
+	if (qp)
+		atomic_inc(&qp->refcount);
+
+	spin_unlock_irqrestore(&dev->qpt_lock, flags);
+	return qp;
+}
+
+/**
+ * qib_reset_qp - initialize the QP state to the reset state
+ * @qp: the QP to reset
+ * @type: the QP type
+ */
+static void qib_reset_qp(struct qib_qp *qp, enum ib_qp_type type)
+{
+	qp->remote_qpn = 0;
+	qp->qkey = 0;
+	qp->qp_access_flags = 0;
+	atomic_set(&qp->s_dma_busy, 0);
+	qp->s_flags &= QIB_S_SIGNAL_REQ_WR;
+	qp->s_hdrwords = 0;
+	qp->s_wqe = NULL;
+	qp->s_draining = 0;
+	qp->s_next_psn = 0;
+	qp->s_last_psn = 0;
+	qp->s_sending_psn = 0;
+	qp->s_sending_hpsn = 0;
+	qp->s_psn = 0;
+	qp->r_psn = 0;
+	qp->r_msn = 0;
+	if (type == IB_QPT_RC) {
+		qp->s_state = IB_OPCODE_RC_SEND_LAST;
+		qp->r_state = IB_OPCODE_RC_SEND_LAST;
+	} else {
+		qp->s_state = IB_OPCODE_UC_SEND_LAST;
+		qp->r_state = IB_OPCODE_UC_SEND_LAST;
+	}
+	qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
+	qp->r_nak_state = 0;
+	qp->r_aflags = 0;
+	qp->r_flags = 0;
+	qp->s_head = 0;
+	qp->s_tail = 0;
+	qp->s_cur = 0;
+	qp->s_acked = 0;
+	qp->s_last = 0;
+	qp->s_ssn = 1;
+	qp->s_lsn = 0;
+	qp->s_mig_state = IB_MIG_MIGRATED;
+	memset(qp->s_ack_queue, 0, sizeof(qp->s_ack_queue));
+	qp->r_head_ack_queue = 0;
+	qp->s_tail_ack_queue = 0;
+	qp->s_num_rd_atomic = 0;
+	if (qp->r_rq.wq) {
+		qp->r_rq.wq->head = 0;
+		qp->r_rq.wq->tail = 0;
+	}
+	qp->r_sge.num_sge = 0;
+}
+
+static void clear_mr_refs(struct qib_qp *qp, int clr_sends)
+{
+	unsigned n;
+
+	if (test_and_clear_bit(QIB_R_REWIND_SGE, &qp->r_aflags))
+		while (qp->s_rdma_read_sge.num_sge) {
+			atomic_dec(&qp->s_rdma_read_sge.sge.mr->refcount);
+			if (--qp->s_rdma_read_sge.num_sge)
+				qp->s_rdma_read_sge.sge =
+					*qp->s_rdma_read_sge.sg_list++;
+		}
+
+	while (qp->r_sge.num_sge) {
+		atomic_dec(&qp->r_sge.sge.mr->refcount);
+		if (--qp->r_sge.num_sge)
+			qp->r_sge.sge = *qp->r_sge.sg_list++;
+	}
+
+	if (clr_sends) {
+		while (qp->s_last != qp->s_head) {
+			struct qib_swqe *wqe = get_swqe_ptr(qp, qp->s_last);
+			unsigned i;
+
+			for (i = 0; i < wqe->wr.num_sge; i++) {
+				struct qib_sge *sge = &wqe->sg_list[i];
+
+				atomic_dec(&sge->mr->refcount);
+			}
+			if (qp->ibqp.qp_type == IB_QPT_UD ||
+			    qp->ibqp.qp_type == IB_QPT_SMI ||
+			    qp->ibqp.qp_type == IB_QPT_GSI)
+				atomic_dec(&to_iah(wqe->wr.wr.ud.ah)->refcount);
+			if (++qp->s_last >= qp->s_size)
+				qp->s_last = 0;
+		}
+		if (qp->s_rdma_mr) {
+			atomic_dec(&qp->s_rdma_mr->refcount);
+			qp->s_rdma_mr = NULL;
+		}
+	}
+
+	if (qp->ibqp.qp_type != IB_QPT_RC)
+		return;
+
+	for (n = 0; n < ARRAY_SIZE(qp->s_ack_queue); n++) {
+		struct qib_ack_entry *e = &qp->s_ack_queue[n];
+
+		if (e->opcode == IB_OPCODE_RC_RDMA_READ_REQUEST &&
+		    e->rdma_sge.mr) {
+			atomic_dec(&e->rdma_sge.mr->refcount);
+			e->rdma_sge.mr = NULL;
+		}
+	}
+}
+
+/**
+ * qib_error_qp - put a QP into the error state
+ * @qp: the QP to put into the error state
+ * @err: the receive completion error to signal if a RWQE is active
+ *
+ * Flushes both send and receive work queues.
+ * Returns true if last WQE event should be generated.
+ * The QP s_lock should be held and interrupts disabled.
+ * If we are already in error state, just return.
+ */
+int qib_error_qp(struct qib_qp *qp, enum ib_wc_status err)
+{
+	struct qib_ibdev *dev = to_idev(qp->ibqp.device);
+	struct ib_wc wc;
+	int ret = 0;
+
+	if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET)
+		goto bail;
+
+	qp->state = IB_QPS_ERR;
+
+	if (qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR)) {
+		qp->s_flags &= ~(QIB_S_TIMER | QIB_S_WAIT_RNR);
+		del_timer(&qp->s_timer);
+	}
+	spin_lock(&dev->pending_lock);
+	if (!list_empty(&qp->iowait) && !(qp->s_flags & QIB_S_BUSY)) {
+		qp->s_flags &= ~QIB_S_ANY_WAIT_IO;
+		list_del_init(&qp->iowait);
+	}
+	spin_unlock(&dev->pending_lock);
+
+	if (!(qp->s_flags & QIB_S_BUSY)) {
+		qp->s_hdrwords = 0;
+		if (qp->s_rdma_mr) {
+			atomic_dec(&qp->s_rdma_mr->refcount);
+			qp->s_rdma_mr = NULL;
+		}
+		if (qp->s_tx) {
+			qib_put_txreq(qp->s_tx);
+			qp->s_tx = NULL;
+		}
+	}
+
+	/* Schedule the sending tasklet to drain the send work queue. */
+	if (qp->s_last != qp->s_head)
+		qib_schedule_send(qp);
+
+	clear_mr_refs(qp, 0);
+
+	memset(&wc, 0, sizeof(wc));
+	wc.qp = &qp->ibqp;
+	wc.opcode = IB_WC_RECV;
+
+	if (test_and_clear_bit(QIB_R_WRID_VALID, &qp->r_aflags)) {
+		wc.wr_id = qp->r_wr_id;
+		wc.status = err;
+		qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
+	}
+	wc.status = IB_WC_WR_FLUSH_ERR;
+
+	if (qp->r_rq.wq) {
+		struct qib_rwq *wq;
+		u32 head;
+		u32 tail;
+
+		spin_lock(&qp->r_rq.lock);
+
+		/* sanity check pointers before trusting them */
+		wq = qp->r_rq.wq;
+		head = wq->head;
+		if (head >= qp->r_rq.size)
+			head = 0;
+		tail = wq->tail;
+		if (tail >= qp->r_rq.size)
+			tail = 0;
+		while (tail != head) {
+			wc.wr_id = get_rwqe_ptr(&qp->r_rq, tail)->wr_id;
+			if (++tail >= qp->r_rq.size)
+				tail = 0;
+			qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
+		}
+		wq->tail = tail;
+
+		spin_unlock(&qp->r_rq.lock);
+	} else if (qp->ibqp.event_handler)
+		ret = 1;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_modify_qp - modify the attributes of a queue pair
+ * @ibqp: the queue pair who's attributes we're modifying
+ * @attr: the new attributes
+ * @attr_mask: the mask of attributes to modify
+ * @udata: user data for libibverbs.so
+ *
+ * Returns 0 on success, otherwise returns an errno.
+ */
+int qib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
+		  int attr_mask, struct ib_udata *udata)
+{
+	struct qib_ibdev *dev = to_idev(ibqp->device);
+	struct qib_qp *qp = to_iqp(ibqp);
+	enum ib_qp_state cur_state, new_state;
+	struct ib_event ev;
+	int lastwqe = 0;
+	int mig = 0;
+	int ret;
+	u32 pmtu = 0; /* for gcc warning only */
+
+	spin_lock_irq(&qp->r_lock);
+	spin_lock(&qp->s_lock);
+
+	cur_state = attr_mask & IB_QP_CUR_STATE ?
+		attr->cur_qp_state : qp->state;
+	new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state;
+
+	if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type,
+				attr_mask))
+		goto inval;
+
+	if (attr_mask & IB_QP_AV) {
+		if (attr->ah_attr.dlid >= QIB_MULTICAST_LID_BASE)
+			goto inval;
+		if (qib_check_ah(qp->ibqp.device, &attr->ah_attr))
+			goto inval;
+	}
+
+	if (attr_mask & IB_QP_ALT_PATH) {
+		if (attr->alt_ah_attr.dlid >= QIB_MULTICAST_LID_BASE)
+			goto inval;
+		if (qib_check_ah(qp->ibqp.device, &attr->alt_ah_attr))
+			goto inval;
+		if (attr->alt_pkey_index >= qib_get_npkeys(dd_from_dev(dev)))
+			goto inval;
+	}
+
+	if (attr_mask & IB_QP_PKEY_INDEX)
+		if (attr->pkey_index >= qib_get_npkeys(dd_from_dev(dev)))
+			goto inval;
+
+	if (attr_mask & IB_QP_MIN_RNR_TIMER)
+		if (attr->min_rnr_timer > 31)
+			goto inval;
+
+	if (attr_mask & IB_QP_PORT)
+		if (qp->ibqp.qp_type == IB_QPT_SMI ||
+		    qp->ibqp.qp_type == IB_QPT_GSI ||
+		    attr->port_num == 0 ||
+		    attr->port_num > ibqp->device->phys_port_cnt)
+			goto inval;
+
+	if (attr_mask & IB_QP_DEST_QPN)
+		if (attr->dest_qp_num > QIB_QPN_MASK)
+			goto inval;
+
+	if (attr_mask & IB_QP_RETRY_CNT)
+		if (attr->retry_cnt > 7)
+			goto inval;
+
+	if (attr_mask & IB_QP_RNR_RETRY)
+		if (attr->rnr_retry > 7)
+			goto inval;
+
+	/*
+	 * Don't allow invalid path_mtu values.  OK to set greater
+	 * than the active mtu (or even the max_cap, if we have tuned
+	 * that to a small mtu.  We'll set qp->path_mtu
+	 * to the lesser of requested attribute mtu and active,
+	 * for packetizing messages.
+	 * Note that the QP port has to be set in INIT and MTU in RTR.
+	 */
+	if (attr_mask & IB_QP_PATH_MTU) {
+		struct qib_devdata *dd = dd_from_dev(dev);
+		int mtu, pidx = qp->port_num - 1;
+
+		mtu = ib_mtu_enum_to_int(attr->path_mtu);
+		if (mtu == -1)
+			goto inval;
+		if (mtu > dd->pport[pidx].ibmtu) {
+			switch (dd->pport[pidx].ibmtu) {
+			case 4096:
+				pmtu = IB_MTU_4096;
+				break;
+			case 2048:
+				pmtu = IB_MTU_2048;
+				break;
+			case 1024:
+				pmtu = IB_MTU_1024;
+				break;
+			case 512:
+				pmtu = IB_MTU_512;
+				break;
+			case 256:
+				pmtu = IB_MTU_256;
+				break;
+			default:
+				pmtu = IB_MTU_2048;
+			}
+		} else
+			pmtu = attr->path_mtu;
+	}
+
+	if (attr_mask & IB_QP_PATH_MIG_STATE) {
+		if (attr->path_mig_state == IB_MIG_REARM) {
+			if (qp->s_mig_state == IB_MIG_ARMED)
+				goto inval;
+			if (new_state != IB_QPS_RTS)
+				goto inval;
+		} else if (attr->path_mig_state == IB_MIG_MIGRATED) {
+			if (qp->s_mig_state == IB_MIG_REARM)
+				goto inval;
+			if (new_state != IB_QPS_RTS && new_state != IB_QPS_SQD)
+				goto inval;
+			if (qp->s_mig_state == IB_MIG_ARMED)
+				mig = 1;
+		} else
+			goto inval;
+	}
+
+	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC)
+		if (attr->max_dest_rd_atomic > QIB_MAX_RDMA_ATOMIC)
+			goto inval;
+
+	switch (new_state) {
+	case IB_QPS_RESET:
+		if (qp->state != IB_QPS_RESET) {
+			qp->state = IB_QPS_RESET;
+			spin_lock(&dev->pending_lock);
+			if (!list_empty(&qp->iowait))
+				list_del_init(&qp->iowait);
+			spin_unlock(&dev->pending_lock);
+			qp->s_flags &= ~(QIB_S_TIMER | QIB_S_ANY_WAIT);
+			spin_unlock(&qp->s_lock);
+			spin_unlock_irq(&qp->r_lock);
+			/* Stop the sending work queue and retry timer */
+			cancel_work_sync(&qp->s_work);
+			del_timer_sync(&qp->s_timer);
+			wait_event(qp->wait_dma, !atomic_read(&qp->s_dma_busy));
+			if (qp->s_tx) {
+				qib_put_txreq(qp->s_tx);
+				qp->s_tx = NULL;
+			}
+			remove_qp(dev, qp);
+			wait_event(qp->wait, !atomic_read(&qp->refcount));
+			spin_lock_irq(&qp->r_lock);
+			spin_lock(&qp->s_lock);
+			clear_mr_refs(qp, 1);
+			qib_reset_qp(qp, ibqp->qp_type);
+		}
+		break;
+
+	case IB_QPS_RTR:
+		/* Allow event to retrigger if QP set to RTR more than once */
+		qp->r_flags &= ~QIB_R_COMM_EST;
+		qp->state = new_state;
+		break;
+
+	case IB_QPS_SQD:
+		qp->s_draining = qp->s_last != qp->s_cur;
+		qp->state = new_state;
+		break;
+
+	case IB_QPS_SQE:
+		if (qp->ibqp.qp_type == IB_QPT_RC)
+			goto inval;
+		qp->state = new_state;
+		break;
+
+	case IB_QPS_ERR:
+		lastwqe = qib_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+		break;
+
+	default:
+		qp->state = new_state;
+		break;
+	}
+
+	if (attr_mask & IB_QP_PKEY_INDEX)
+		qp->s_pkey_index = attr->pkey_index;
+
+	if (attr_mask & IB_QP_PORT)
+		qp->port_num = attr->port_num;
+
+	if (attr_mask & IB_QP_DEST_QPN)
+		qp->remote_qpn = attr->dest_qp_num;
+
+	if (attr_mask & IB_QP_SQ_PSN) {
+		qp->s_next_psn = attr->sq_psn & QIB_PSN_MASK;
+		qp->s_psn = qp->s_next_psn;
+		qp->s_sending_psn = qp->s_next_psn;
+		qp->s_last_psn = qp->s_next_psn - 1;
+		qp->s_sending_hpsn = qp->s_last_psn;
+	}
+
+	if (attr_mask & IB_QP_RQ_PSN)
+		qp->r_psn = attr->rq_psn & QIB_PSN_MASK;
+
+	if (attr_mask & IB_QP_ACCESS_FLAGS)
+		qp->qp_access_flags = attr->qp_access_flags;
+
+	if (attr_mask & IB_QP_AV) {
+		qp->remote_ah_attr = attr->ah_attr;
+		qp->s_srate = attr->ah_attr.static_rate;
+	}
+
+	if (attr_mask & IB_QP_ALT_PATH) {
+		qp->alt_ah_attr = attr->alt_ah_attr;
+		qp->s_alt_pkey_index = attr->alt_pkey_index;
+	}
+
+	if (attr_mask & IB_QP_PATH_MIG_STATE) {
+		qp->s_mig_state = attr->path_mig_state;
+		if (mig) {
+			qp->remote_ah_attr = qp->alt_ah_attr;
+			qp->port_num = qp->alt_ah_attr.port_num;
+			qp->s_pkey_index = qp->s_alt_pkey_index;
+		}
+	}
+
+	if (attr_mask & IB_QP_PATH_MTU)
+		qp->path_mtu = pmtu;
+
+	if (attr_mask & IB_QP_RETRY_CNT) {
+		qp->s_retry_cnt = attr->retry_cnt;
+		qp->s_retry = attr->retry_cnt;
+	}
+
+	if (attr_mask & IB_QP_RNR_RETRY) {
+		qp->s_rnr_retry_cnt = attr->rnr_retry;
+		qp->s_rnr_retry = attr->rnr_retry;
+	}
+
+	if (attr_mask & IB_QP_MIN_RNR_TIMER)
+		qp->r_min_rnr_timer = attr->min_rnr_timer;
+
+	if (attr_mask & IB_QP_TIMEOUT)
+		qp->timeout = attr->timeout;
+
+	if (attr_mask & IB_QP_QKEY)
+		qp->qkey = attr->qkey;
+
+	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC)
+		qp->r_max_rd_atomic = attr->max_dest_rd_atomic;
+
+	if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC)
+		qp->s_max_rd_atomic = attr->max_rd_atomic;
+
+	spin_unlock(&qp->s_lock);
+	spin_unlock_irq(&qp->r_lock);
+
+	if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT)
+		insert_qp(dev, qp);
+
+	if (lastwqe) {
+		ev.device = qp->ibqp.device;
+		ev.element.qp = &qp->ibqp;
+		ev.event = IB_EVENT_QP_LAST_WQE_REACHED;
+		qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+	}
+	if (mig) {
+		ev.device = qp->ibqp.device;
+		ev.element.qp = &qp->ibqp;
+		ev.event = IB_EVENT_PATH_MIG;
+		qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+	}
+	ret = 0;
+	goto bail;
+
+inval:
+	spin_unlock(&qp->s_lock);
+	spin_unlock_irq(&qp->r_lock);
+	ret = -EINVAL;
+
+bail:
+	return ret;
+}
+
+int qib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
+		 int attr_mask, struct ib_qp_init_attr *init_attr)
+{
+	struct qib_qp *qp = to_iqp(ibqp);
+
+	attr->qp_state = qp->state;
+	attr->cur_qp_state = attr->qp_state;
+	attr->path_mtu = qp->path_mtu;
+	attr->path_mig_state = qp->s_mig_state;
+	attr->qkey = qp->qkey;
+	attr->rq_psn = qp->r_psn & QIB_PSN_MASK;
+	attr->sq_psn = qp->s_next_psn & QIB_PSN_MASK;
+	attr->dest_qp_num = qp->remote_qpn;
+	attr->qp_access_flags = qp->qp_access_flags;
+	attr->cap.max_send_wr = qp->s_size - 1;
+	attr->cap.max_recv_wr = qp->ibqp.srq ? 0 : qp->r_rq.size - 1;
+	attr->cap.max_send_sge = qp->s_max_sge;
+	attr->cap.max_recv_sge = qp->r_rq.max_sge;
+	attr->cap.max_inline_data = 0;
+	attr->ah_attr = qp->remote_ah_attr;
+	attr->alt_ah_attr = qp->alt_ah_attr;
+	attr->pkey_index = qp->s_pkey_index;
+	attr->alt_pkey_index = qp->s_alt_pkey_index;
+	attr->en_sqd_async_notify = 0;
+	attr->sq_draining = qp->s_draining;
+	attr->max_rd_atomic = qp->s_max_rd_atomic;
+	attr->max_dest_rd_atomic = qp->r_max_rd_atomic;
+	attr->min_rnr_timer = qp->r_min_rnr_timer;
+	attr->port_num = qp->port_num;
+	attr->timeout = qp->timeout;
+	attr->retry_cnt = qp->s_retry_cnt;
+	attr->rnr_retry = qp->s_rnr_retry_cnt;
+	attr->alt_port_num = qp->alt_ah_attr.port_num;
+	attr->alt_timeout = qp->alt_timeout;
+
+	init_attr->event_handler = qp->ibqp.event_handler;
+	init_attr->qp_context = qp->ibqp.qp_context;
+	init_attr->send_cq = qp->ibqp.send_cq;
+	init_attr->recv_cq = qp->ibqp.recv_cq;
+	init_attr->srq = qp->ibqp.srq;
+	init_attr->cap = attr->cap;
+	if (qp->s_flags & QIB_S_SIGNAL_REQ_WR)
+		init_attr->sq_sig_type = IB_SIGNAL_REQ_WR;
+	else
+		init_attr->sq_sig_type = IB_SIGNAL_ALL_WR;
+	init_attr->qp_type = qp->ibqp.qp_type;
+	init_attr->port_num = qp->port_num;
+	return 0;
+}
+
+/**
+ * qib_compute_aeth - compute the AETH (syndrome + MSN)
+ * @qp: the queue pair to compute the AETH for
+ *
+ * Returns the AETH.
+ */
+__be32 qib_compute_aeth(struct qib_qp *qp)
+{
+	u32 aeth = qp->r_msn & QIB_MSN_MASK;
+
+	if (qp->ibqp.srq) {
+		/*
+		 * Shared receive queues don't generate credits.
+		 * Set the credit field to the invalid value.
+		 */
+		aeth |= QIB_AETH_CREDIT_INVAL << QIB_AETH_CREDIT_SHIFT;
+	} else {
+		u32 min, max, x;
+		u32 credits;
+		struct qib_rwq *wq = qp->r_rq.wq;
+		u32 head;
+		u32 tail;
+
+		/* sanity check pointers before trusting them */
+		head = wq->head;
+		if (head >= qp->r_rq.size)
+			head = 0;
+		tail = wq->tail;
+		if (tail >= qp->r_rq.size)
+			tail = 0;
+		/*
+		 * Compute the number of credits available (RWQEs).
+		 * XXX Not holding the r_rq.lock here so there is a small
+		 * chance that the pair of reads are not atomic.
+		 */
+		credits = head - tail;
+		if ((int)credits < 0)
+			credits += qp->r_rq.size;
+		/*
+		 * Binary search the credit table to find the code to
+		 * use.
+		 */
+		min = 0;
+		max = 31;
+		for (;;) {
+			x = (min + max) / 2;
+			if (credit_table[x] == credits)
+				break;
+			if (credit_table[x] > credits)
+				max = x;
+			else if (min == x)
+				break;
+			else
+				min = x;
+		}
+		aeth |= x << QIB_AETH_CREDIT_SHIFT;
+	}
+	return cpu_to_be32(aeth);
+}
+
+/**
+ * qib_create_qp - create a queue pair for a device
+ * @ibpd: the protection domain who's device we create the queue pair for
+ * @init_attr: the attributes of the queue pair
+ * @udata: user data for libibverbs.so
+ *
+ * Returns the queue pair on success, otherwise returns an errno.
+ *
+ * Called by the ib_create_qp() core verbs function.
+ */
+struct ib_qp *qib_create_qp(struct ib_pd *ibpd,
+			    struct ib_qp_init_attr *init_attr,
+			    struct ib_udata *udata)
+{
+	struct qib_qp *qp;
+	int err;
+	struct qib_swqe *swq = NULL;
+	struct qib_ibdev *dev;
+	struct qib_devdata *dd;
+	size_t sz;
+	size_t sg_list_sz;
+	struct ib_qp *ret;
+
+	if (init_attr->cap.max_send_sge > ib_qib_max_sges ||
+	    init_attr->cap.max_send_wr > ib_qib_max_qp_wrs) {
+		ret = ERR_PTR(-EINVAL);
+		goto bail;
+	}
+
+	/* Check receive queue parameters if no SRQ is specified. */
+	if (!init_attr->srq) {
+		if (init_attr->cap.max_recv_sge > ib_qib_max_sges ||
+		    init_attr->cap.max_recv_wr > ib_qib_max_qp_wrs) {
+			ret = ERR_PTR(-EINVAL);
+			goto bail;
+		}
+		if (init_attr->cap.max_send_sge +
+		    init_attr->cap.max_send_wr +
+		    init_attr->cap.max_recv_sge +
+		    init_attr->cap.max_recv_wr == 0) {
+			ret = ERR_PTR(-EINVAL);
+			goto bail;
+		}
+	}
+
+	switch (init_attr->qp_type) {
+	case IB_QPT_SMI:
+	case IB_QPT_GSI:
+		if (init_attr->port_num == 0 ||
+		    init_attr->port_num > ibpd->device->phys_port_cnt) {
+			ret = ERR_PTR(-EINVAL);
+			goto bail;
+		}
+	case IB_QPT_UC:
+	case IB_QPT_RC:
+	case IB_QPT_UD:
+		sz = sizeof(struct qib_sge) *
+			init_attr->cap.max_send_sge +
+			sizeof(struct qib_swqe);
+		swq = vmalloc((init_attr->cap.max_send_wr + 1) * sz);
+		if (swq == NULL) {
+			ret = ERR_PTR(-ENOMEM);
+			goto bail;
+		}
+		sz = sizeof(*qp);
+		sg_list_sz = 0;
+		if (init_attr->srq) {
+			struct qib_srq *srq = to_isrq(init_attr->srq);
+
+			if (srq->rq.max_sge > 1)
+				sg_list_sz = sizeof(*qp->r_sg_list) *
+					(srq->rq.max_sge - 1);
+		} else if (init_attr->cap.max_recv_sge > 1)
+			sg_list_sz = sizeof(*qp->r_sg_list) *
+				(init_attr->cap.max_recv_sge - 1);
+		qp = kzalloc(sz + sg_list_sz, GFP_KERNEL);
+		if (!qp) {
+			ret = ERR_PTR(-ENOMEM);
+			goto bail_swq;
+		}
+		if (init_attr->srq)
+			sz = 0;
+		else {
+			qp->r_rq.size = init_attr->cap.max_recv_wr + 1;
+			qp->r_rq.max_sge = init_attr->cap.max_recv_sge;
+			sz = (sizeof(struct ib_sge) * qp->r_rq.max_sge) +
+				sizeof(struct qib_rwqe);
+			qp->r_rq.wq = vmalloc_user(sizeof(struct qib_rwq) +
+						   qp->r_rq.size * sz);
+			if (!qp->r_rq.wq) {
+				ret = ERR_PTR(-ENOMEM);
+				goto bail_qp;
+			}
+		}
+
+		/*
+		 * ib_create_qp() will initialize qp->ibqp
+		 * except for qp->ibqp.qp_num.
+		 */
+		spin_lock_init(&qp->r_lock);
+		spin_lock_init(&qp->s_lock);
+		spin_lock_init(&qp->r_rq.lock);
+		atomic_set(&qp->refcount, 0);
+		init_waitqueue_head(&qp->wait);
+		init_waitqueue_head(&qp->wait_dma);
+		init_timer(&qp->s_timer);
+		qp->s_timer.data = (unsigned long)qp;
+		INIT_WORK(&qp->s_work, qib_do_send);
+		INIT_LIST_HEAD(&qp->iowait);
+		INIT_LIST_HEAD(&qp->rspwait);
+		qp->state = IB_QPS_RESET;
+		qp->s_wq = swq;
+		qp->s_size = init_attr->cap.max_send_wr + 1;
+		qp->s_max_sge = init_attr->cap.max_send_sge;
+		if (init_attr->sq_sig_type == IB_SIGNAL_REQ_WR)
+			qp->s_flags = QIB_S_SIGNAL_REQ_WR;
+		dev = to_idev(ibpd->device);
+		dd = dd_from_dev(dev);
+		err = alloc_qpn(dd, &dev->qpn_table, init_attr->qp_type,
+				init_attr->port_num);
+		if (err < 0) {
+			ret = ERR_PTR(err);
+			vfree(qp->r_rq.wq);
+			goto bail_qp;
+		}
+		qp->ibqp.qp_num = err;
+		qp->port_num = init_attr->port_num;
+		qp->processor_id = smp_processor_id();
+		qib_reset_qp(qp, init_attr->qp_type);
+		break;
+
+	default:
+		/* Don't support raw QPs */
+		ret = ERR_PTR(-ENOSYS);
+		goto bail;
+	}
+
+	init_attr->cap.max_inline_data = 0;
+
+	/*
+	 * Return the address of the RWQ as the offset to mmap.
+	 * See qib_mmap() for details.
+	 */
+	if (udata && udata->outlen >= sizeof(__u64)) {
+		if (!qp->r_rq.wq) {
+			__u64 offset = 0;
+
+			err = ib_copy_to_udata(udata, &offset,
+					       sizeof(offset));
+			if (err) {
+				ret = ERR_PTR(err);
+				goto bail_ip;
+			}
+		} else {
+			u32 s = sizeof(struct qib_rwq) + qp->r_rq.size * sz;
+
+			qp->ip = qib_create_mmap_info(dev, s,
+						      ibpd->uobject->context,
+						      qp->r_rq.wq);
+			if (!qp->ip) {
+				ret = ERR_PTR(-ENOMEM);
+				goto bail_ip;
+			}
+
+			err = ib_copy_to_udata(udata, &(qp->ip->offset),
+					       sizeof(qp->ip->offset));
+			if (err) {
+				ret = ERR_PTR(err);
+				goto bail_ip;
+			}
+		}
+	}
+
+	spin_lock(&dev->n_qps_lock);
+	if (dev->n_qps_allocated == ib_qib_max_qps) {
+		spin_unlock(&dev->n_qps_lock);
+		ret = ERR_PTR(-ENOMEM);
+		goto bail_ip;
+	}
+
+	dev->n_qps_allocated++;
+	spin_unlock(&dev->n_qps_lock);
+
+	if (qp->ip) {
+		spin_lock_irq(&dev->pending_lock);
+		list_add(&qp->ip->pending_mmaps, &dev->pending_mmaps);
+		spin_unlock_irq(&dev->pending_lock);
+	}
+
+	ret = &qp->ibqp;
+	goto bail;
+
+bail_ip:
+	if (qp->ip)
+		kref_put(&qp->ip->ref, qib_release_mmap_info);
+	else
+		vfree(qp->r_rq.wq);
+	free_qpn(&dev->qpn_table, qp->ibqp.qp_num);
+bail_qp:
+	kfree(qp);
+bail_swq:
+	vfree(swq);
+bail:
+	return ret;
+}
+
+/**
+ * qib_destroy_qp - destroy a queue pair
+ * @ibqp: the queue pair to destroy
+ *
+ * Returns 0 on success.
+ *
+ * Note that this can be called while the QP is actively sending or
+ * receiving!
+ */
+int qib_destroy_qp(struct ib_qp *ibqp)
+{
+	struct qib_qp *qp = to_iqp(ibqp);
+	struct qib_ibdev *dev = to_idev(ibqp->device);
+
+	/* Make sure HW and driver activity is stopped. */
+	spin_lock_irq(&qp->s_lock);
+	if (qp->state != IB_QPS_RESET) {
+		qp->state = IB_QPS_RESET;
+		spin_lock(&dev->pending_lock);
+		if (!list_empty(&qp->iowait))
+			list_del_init(&qp->iowait);
+		spin_unlock(&dev->pending_lock);
+		qp->s_flags &= ~(QIB_S_TIMER | QIB_S_ANY_WAIT);
+		spin_unlock_irq(&qp->s_lock);
+		cancel_work_sync(&qp->s_work);
+		del_timer_sync(&qp->s_timer);
+		wait_event(qp->wait_dma, !atomic_read(&qp->s_dma_busy));
+		if (qp->s_tx) {
+			qib_put_txreq(qp->s_tx);
+			qp->s_tx = NULL;
+		}
+		remove_qp(dev, qp);
+		wait_event(qp->wait, !atomic_read(&qp->refcount));
+		clear_mr_refs(qp, 1);
+	} else
+		spin_unlock_irq(&qp->s_lock);
+
+	/* all user's cleaned up, mark it available */
+	free_qpn(&dev->qpn_table, qp->ibqp.qp_num);
+	spin_lock(&dev->n_qps_lock);
+	dev->n_qps_allocated--;
+	spin_unlock(&dev->n_qps_lock);
+
+	if (qp->ip)
+		kref_put(&qp->ip->ref, qib_release_mmap_info);
+	else
+		vfree(qp->r_rq.wq);
+	vfree(qp->s_wq);
+	kfree(qp);
+	return 0;
+}
+
+/**
+ * qib_init_qpn_table - initialize the QP number table for a device
+ * @qpt: the QPN table
+ */
+void qib_init_qpn_table(struct qib_devdata *dd, struct qib_qpn_table *qpt)
+{
+	spin_lock_init(&qpt->lock);
+	qpt->last = 1;          /* start with QPN 2 */
+	qpt->nmaps = 1;
+	qpt->mask = dd->qpn_mask;
+}
+
+/**
+ * qib_free_qpn_table - free the QP number table for a device
+ * @qpt: the QPN table
+ */
+void qib_free_qpn_table(struct qib_qpn_table *qpt)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(qpt->map); i++)
+		if (qpt->map[i].page)
+			free_page((unsigned long) qpt->map[i].page);
+}
+
+/**
+ * qib_get_credit - flush the send work queue of a QP
+ * @qp: the qp who's send work queue to flush
+ * @aeth: the Acknowledge Extended Transport Header
+ *
+ * The QP s_lock should be held.
+ */
+void qib_get_credit(struct qib_qp *qp, u32 aeth)
+{
+	u32 credit = (aeth >> QIB_AETH_CREDIT_SHIFT) & QIB_AETH_CREDIT_MASK;
+
+	/*
+	 * If the credit is invalid, we can send
+	 * as many packets as we like.  Otherwise, we have to
+	 * honor the credit field.
+	 */
+	if (credit == QIB_AETH_CREDIT_INVAL) {
+		if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT)) {
+			qp->s_flags |= QIB_S_UNLIMITED_CREDIT;
+			if (qp->s_flags & QIB_S_WAIT_SSN_CREDIT) {
+				qp->s_flags &= ~QIB_S_WAIT_SSN_CREDIT;
+				qib_schedule_send(qp);
+			}
+		}
+	} else if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT)) {
+		/* Compute new LSN (i.e., MSN + credit) */
+		credit = (aeth + credit_table[credit]) & QIB_MSN_MASK;
+		if (qib_cmp24(credit, qp->s_lsn) > 0) {
+			qp->s_lsn = credit;
+			if (qp->s_flags & QIB_S_WAIT_SSN_CREDIT) {
+				qp->s_flags &= ~QIB_S_WAIT_SSN_CREDIT;
+				qib_schedule_send(qp);
+			}
+		}
+	}
+}
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.c b/drivers/infiniband/hw/qib/qib_qsfp.c
new file mode 100644
index 00000000000..35b3604b691
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_qsfp.c
@@ -0,0 +1,564 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/vmalloc.h>
+
+#include "qib.h"
+#include "qib_qsfp.h"
+
+/*
+ * QSFP support for ib_qib driver, using "Two Wire Serial Interface" driver
+ * in qib_twsi.c
+ */
+#define QSFP_MAX_RETRY 4
+
+static int qsfp_read(struct qib_pportdata *ppd, int addr, void *bp, int len)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u32 out, mask;
+	int ret, cnt, pass = 0;
+	int stuck = 0;
+	u8 *buff = bp;
+
+	ret = mutex_lock_interruptible(&dd->eep_lock);
+	if (ret)
+		goto no_unlock;
+
+	if (dd->twsi_eeprom_dev == QIB_TWSI_NO_DEV) {
+		ret = -ENXIO;
+		goto bail;
+	}
+
+	/*
+	 * We presume, if we are called at all, that this board has
+	 * QSFP. This is on the same i2c chain as the legacy parts,
+	 * but only responds if the module is selected via GPIO pins.
+	 * Further, there are very long setup and hold requirements
+	 * on MODSEL.
+	 */
+	mask = QSFP_GPIO_MOD_SEL_N | QSFP_GPIO_MOD_RST_N | QSFP_GPIO_LP_MODE;
+	out = QSFP_GPIO_MOD_RST_N | QSFP_GPIO_LP_MODE;
+	if (ppd->hw_pidx) {
+		mask <<= QSFP_GPIO_PORT2_SHIFT;
+		out <<= QSFP_GPIO_PORT2_SHIFT;
+	}
+
+	dd->f_gpio_mod(dd, out, mask, mask);
+
+	/*
+	 * Module could take up to 2 Msec to respond to MOD_SEL, and there
+	 * is no way to tell if it is ready, so we must wait.
+	 */
+	msleep(2);
+
+	/* Make sure TWSI bus is in sane state. */
+	ret = qib_twsi_reset(dd);
+	if (ret) {
+		qib_dev_porterr(dd, ppd->port,
+				"QSFP interface Reset for read failed\n");
+		ret = -EIO;
+		stuck = 1;
+		goto deselect;
+	}
+
+	/* All QSFP modules are at A0 */
+
+	cnt = 0;
+	while (cnt < len) {
+		unsigned in_page;
+		int wlen = len - cnt;
+		in_page = addr % QSFP_PAGESIZE;
+		if ((in_page + wlen) > QSFP_PAGESIZE)
+			wlen = QSFP_PAGESIZE - in_page;
+		ret = qib_twsi_blk_rd(dd, QSFP_DEV, addr, buff + cnt, wlen);
+		/* Some QSFP's fail first try. Retry as experiment */
+		if (ret && cnt == 0 && ++pass < QSFP_MAX_RETRY)
+			continue;
+		if (ret) {
+			/* qib_twsi_blk_rd() 1 for error, else 0 */
+			ret = -EIO;
+			goto deselect;
+		}
+		addr += wlen;
+		cnt += wlen;
+	}
+	ret = cnt;
+
+deselect:
+	/*
+	 * Module could take up to 10 uSec after transfer before
+	 * ready to respond to MOD_SEL negation, and there is no way
+	 * to tell if it is ready, so we must wait.
+	 */
+	udelay(10);
+	/* set QSFP MODSEL, RST. LP all high */
+	dd->f_gpio_mod(dd, mask, mask, mask);
+
+	/*
+	 * Module could take up to 2 Msec to respond to MOD_SEL
+	 * going away, and there is no way to tell if it is ready.
+	 * so we must wait.
+	 */
+	if (stuck)
+		qib_dev_err(dd, "QSFP interface bus stuck non-idle\n");
+
+	if (pass >= QSFP_MAX_RETRY && ret)
+		qib_dev_porterr(dd, ppd->port, "QSFP failed even retrying\n");
+	else if (pass)
+		qib_dev_porterr(dd, ppd->port, "QSFP retries: %d\n", pass);
+
+	msleep(2);
+
+bail:
+	mutex_unlock(&dd->eep_lock);
+
+no_unlock:
+	return ret;
+}
+
+/*
+ * qsfp_write
+ * We do not ordinarily write the QSFP, but this is needed to select
+ * the page on non-flat QSFPs, and possibly later unusual cases
+ */
+static int qib_qsfp_write(struct qib_pportdata *ppd, int addr, void *bp,
+			  int len)
+{
+	struct qib_devdata *dd = ppd->dd;
+	u32 out, mask;
+	int ret, cnt;
+	u8 *buff = bp;
+
+	ret = mutex_lock_interruptible(&dd->eep_lock);
+	if (ret)
+		goto no_unlock;
+
+	if (dd->twsi_eeprom_dev == QIB_TWSI_NO_DEV) {
+		ret = -ENXIO;
+		goto bail;
+	}
+
+	/*
+	 * We presume, if we are called at all, that this board has
+	 * QSFP. This is on the same i2c chain as the legacy parts,
+	 * but only responds if the module is selected via GPIO pins.
+	 * Further, there are very long setup and hold requirements
+	 * on MODSEL.
+	 */
+	mask = QSFP_GPIO_MOD_SEL_N | QSFP_GPIO_MOD_RST_N | QSFP_GPIO_LP_MODE;
+	out = QSFP_GPIO_MOD_RST_N | QSFP_GPIO_LP_MODE;
+	if (ppd->hw_pidx) {
+		mask <<= QSFP_GPIO_PORT2_SHIFT;
+		out <<= QSFP_GPIO_PORT2_SHIFT;
+	}
+	dd->f_gpio_mod(dd, out, mask, mask);
+
+	/*
+	 * Module could take up to 2 Msec to respond to MOD_SEL,
+	 * and there is no way to tell if it is ready, so we must wait.
+	 */
+	msleep(2);
+
+	/* Make sure TWSI bus is in sane state. */
+	ret = qib_twsi_reset(dd);
+	if (ret) {
+		qib_dev_porterr(dd, ppd->port,
+				"QSFP interface Reset for write failed\n");
+		ret = -EIO;
+		goto deselect;
+	}
+
+	/* All QSFP modules are at A0 */
+
+	cnt = 0;
+	while (cnt < len) {
+		unsigned in_page;
+		int wlen = len - cnt;
+		in_page = addr % QSFP_PAGESIZE;
+		if ((in_page + wlen) > QSFP_PAGESIZE)
+			wlen = QSFP_PAGESIZE - in_page;
+		ret = qib_twsi_blk_wr(dd, QSFP_DEV, addr, buff + cnt, wlen);
+		if (ret) {
+			/* qib_twsi_blk_wr() 1 for error, else 0 */
+			ret = -EIO;
+			goto deselect;
+		}
+		addr += wlen;
+		cnt += wlen;
+	}
+	ret = cnt;
+
+deselect:
+	/*
+	 * Module could take up to 10 uSec after transfer before
+	 * ready to respond to MOD_SEL negation, and there is no way
+	 * to tell if it is ready, so we must wait.
+	 */
+	udelay(10);
+	/* set QSFP MODSEL, RST, LP high */
+	dd->f_gpio_mod(dd, mask, mask, mask);
+	/*
+	 * Module could take up to 2 Msec to respond to MOD_SEL
+	 * going away, and there is no way to tell if it is ready.
+	 * so we must wait.
+	 */
+	msleep(2);
+
+bail:
+	mutex_unlock(&dd->eep_lock);
+
+no_unlock:
+	return ret;
+}
+
+/*
+ * For validation, we want to check the checksums, even of the
+ * fields we do not otherwise use. This function reads the bytes from
+ * <first> to <next-1> and returns the 8lsbs of the sum, or <0 for errors
+ */
+static int qsfp_cks(struct qib_pportdata *ppd, int first, int next)
+{
+	int ret;
+	u16 cks;
+	u8 bval;
+
+	cks = 0;
+	while (first < next) {
+		ret = qsfp_read(ppd, first, &bval, 1);
+		if (ret < 0)
+			goto bail;
+		cks += bval;
+		++first;
+	}
+	ret = cks & 0xFF;
+bail:
+	return ret;
+
+}
+
+int qib_refresh_qsfp_cache(struct qib_pportdata *ppd, struct qib_qsfp_cache *cp)
+{
+	int ret;
+	int idx;
+	u16 cks;
+	u32 mask;
+	u8 peek[4];
+
+	/* ensure sane contents on invalid reads, for cable swaps */
+	memset(cp, 0, sizeof(*cp));
+
+	mask = QSFP_GPIO_MOD_PRS_N;
+	if (ppd->hw_pidx)
+		mask <<= QSFP_GPIO_PORT2_SHIFT;
+
+	ret = ppd->dd->f_gpio_mod(ppd->dd, 0, 0, 0);
+	if (ret & mask) {
+		ret = -ENODEV;
+		goto bail;
+	}
+
+	ret = qsfp_read(ppd, 0, peek, 3);
+	if (ret < 0)
+		goto bail;
+	if ((peek[0] & 0xFE) != 0x0C)
+		qib_dev_porterr(ppd->dd, ppd->port,
+				"QSFP byte0 is 0x%02X, S/B 0x0C/D\n", peek[0]);
+
+	if ((peek[2] & 2) == 0) {
+		/*
+		 * If cable is paged, rather than "flat memory", we need to
+		 * set the page to zero, Even if it already appears to be zero.
+		 */
+		u8 poke = 0;
+		ret = qib_qsfp_write(ppd, 127, &poke, 1);
+		udelay(50);
+		if (ret != 1) {
+			qib_dev_porterr(ppd->dd, ppd->port,
+					"Failed QSFP Page set\n");
+			goto bail;
+		}
+	}
+
+	ret = qsfp_read(ppd, QSFP_MOD_ID_OFFS, &cp->id, 1);
+	if (ret < 0)
+		goto bail;
+	if ((cp->id & 0xFE) != 0x0C)
+		qib_dev_porterr(ppd->dd, ppd->port,
+				"QSFP ID byte is 0x%02X, S/B 0x0C/D\n", cp->id);
+	cks = cp->id;
+
+	ret = qsfp_read(ppd, QSFP_MOD_PWR_OFFS, &cp->pwr, 1);
+	if (ret < 0)
+		goto bail;
+	cks += cp->pwr;
+
+	ret = qsfp_cks(ppd, QSFP_MOD_PWR_OFFS + 1, QSFP_MOD_LEN_OFFS);
+	if (ret < 0)
+		goto bail;
+	cks += ret;
+
+	ret = qsfp_read(ppd, QSFP_MOD_LEN_OFFS, &cp->len, 1);
+	if (ret < 0)
+		goto bail;
+	cks += cp->len;
+
+	ret = qsfp_read(ppd, QSFP_MOD_TECH_OFFS, &cp->tech, 1);
+	if (ret < 0)
+		goto bail;
+	cks += cp->tech;
+
+	ret = qsfp_read(ppd, QSFP_VEND_OFFS, &cp->vendor, QSFP_VEND_LEN);
+	if (ret < 0)
+		goto bail;
+	for (idx = 0; idx < QSFP_VEND_LEN; ++idx)
+		cks += cp->vendor[idx];
+
+	ret = qsfp_read(ppd, QSFP_IBXCV_OFFS, &cp->xt_xcv, 1);
+	if (ret < 0)
+		goto bail;
+	cks += cp->xt_xcv;
+
+	ret = qsfp_read(ppd, QSFP_VOUI_OFFS, &cp->oui, QSFP_VOUI_LEN);
+	if (ret < 0)
+		goto bail;
+	for (idx = 0; idx < QSFP_VOUI_LEN; ++idx)
+		cks += cp->oui[idx];
+
+	ret = qsfp_read(ppd, QSFP_PN_OFFS, &cp->partnum, QSFP_PN_LEN);
+	if (ret < 0)
+		goto bail;
+	for (idx = 0; idx < QSFP_PN_LEN; ++idx)
+		cks += cp->partnum[idx];
+
+	ret = qsfp_read(ppd, QSFP_REV_OFFS, &cp->rev, QSFP_REV_LEN);
+	if (ret < 0)
+		goto bail;
+	for (idx = 0; idx < QSFP_REV_LEN; ++idx)
+		cks += cp->rev[idx];
+
+	ret = qsfp_read(ppd, QSFP_ATTEN_OFFS, &cp->atten, QSFP_ATTEN_LEN);
+	if (ret < 0)
+		goto bail;
+	for (idx = 0; idx < QSFP_ATTEN_LEN; ++idx)
+		cks += cp->atten[idx];
+
+	ret = qsfp_cks(ppd, QSFP_ATTEN_OFFS + QSFP_ATTEN_LEN, QSFP_CC_OFFS);
+	if (ret < 0)
+		goto bail;
+	cks += ret;
+
+	cks &= 0xFF;
+	ret = qsfp_read(ppd, QSFP_CC_OFFS, &cp->cks1, 1);
+	if (ret < 0)
+		goto bail;
+	if (cks != cp->cks1)
+		qib_dev_porterr(ppd->dd, ppd->port,
+				"QSFP cks1 is %02X, computed %02X\n", cp->cks1,
+				cks);
+
+	/* Second checksum covers 192 to (serial, date, lot) */
+	ret = qsfp_cks(ppd, QSFP_CC_OFFS + 1, QSFP_SN_OFFS);
+	if (ret < 0)
+		goto bail;
+	cks = ret;
+
+	ret = qsfp_read(ppd, QSFP_SN_OFFS, &cp->serial, QSFP_SN_LEN);
+	if (ret < 0)
+		goto bail;
+	for (idx = 0; idx < QSFP_SN_LEN; ++idx)
+		cks += cp->serial[idx];
+
+	ret = qsfp_read(ppd, QSFP_DATE_OFFS, &cp->date, QSFP_DATE_LEN);
+	if (ret < 0)
+		goto bail;
+	for (idx = 0; idx < QSFP_DATE_LEN; ++idx)
+		cks += cp->date[idx];
+
+	ret = qsfp_read(ppd, QSFP_LOT_OFFS, &cp->lot, QSFP_LOT_LEN);
+	if (ret < 0)
+		goto bail;
+	for (idx = 0; idx < QSFP_LOT_LEN; ++idx)
+		cks += cp->lot[idx];
+
+	ret = qsfp_cks(ppd, QSFP_LOT_OFFS + QSFP_LOT_LEN, QSFP_CC_EXT_OFFS);
+	if (ret < 0)
+		goto bail;
+	cks += ret;
+
+	ret = qsfp_read(ppd, QSFP_CC_EXT_OFFS, &cp->cks2, 1);
+	if (ret < 0)
+		goto bail;
+	cks &= 0xFF;
+	if (cks != cp->cks2)
+		qib_dev_porterr(ppd->dd, ppd->port,
+				"QSFP cks2 is %02X, computed %02X\n", cp->cks2,
+				cks);
+	return 0;
+
+bail:
+	cp->id = 0;
+	return ret;
+}
+
+const char * const qib_qsfp_devtech[16] = {
+	"850nm VCSEL", "1310nm VCSEL", "1550nm VCSEL", "1310nm FP",
+	"1310nm DFB", "1550nm DFB", "1310nm EML", "1550nm EML",
+	"Cu Misc", "1490nm DFB", "Cu NoEq", "Cu Eq",
+	"Undef", "Cu Active BothEq", "Cu FarEq", "Cu NearEq"
+};
+
+#define QSFP_DUMP_CHUNK 16 /* Holds longest string */
+#define QSFP_DEFAULT_HDR_CNT 224
+
+static const char *pwr_codes = "1.5W2.0W2.5W3.5W";
+
+/*
+ * Initialize structures that control access to QSFP. Called once per port
+ * on cards that support QSFP.
+ */
+void qib_qsfp_init(struct qib_qsfp_data *qd,
+		   void (*fevent)(struct work_struct *))
+{
+	u32 mask, highs;
+	int pins;
+
+	struct qib_devdata *dd = qd->ppd->dd;
+
+	/* Initialize work struct for later QSFP events */
+	INIT_WORK(&qd->work, fevent);
+
+	/*
+	 * Later, we may want more validation. For now, just set up pins and
+	 * blip reset. If module is present, call qib_refresh_qsfp_cache(),
+	 * to do further init.
+	 */
+	mask = QSFP_GPIO_MOD_SEL_N | QSFP_GPIO_MOD_RST_N | QSFP_GPIO_LP_MODE;
+	highs = mask - QSFP_GPIO_MOD_RST_N;
+	if (qd->ppd->hw_pidx) {
+		mask <<= QSFP_GPIO_PORT2_SHIFT;
+		highs <<= QSFP_GPIO_PORT2_SHIFT;
+	}
+	dd->f_gpio_mod(dd, highs, mask, mask);
+	udelay(20); /* Generous RST dwell */
+
+	dd->f_gpio_mod(dd, mask, mask, mask);
+	/* Spec says module can take up to two seconds! */
+	mask = QSFP_GPIO_MOD_PRS_N;
+	if (qd->ppd->hw_pidx)
+		mask <<= QSFP_GPIO_PORT2_SHIFT;
+
+	/* Do not try to wait here. Better to let event handle it */
+	pins = dd->f_gpio_mod(dd, 0, 0, 0);
+	if (pins & mask)
+		goto bail;
+	/* We see a module, but it may be unwise to look yet. Just schedule */
+	qd->t_insert = get_jiffies_64();
+	schedule_work(&qd->work);
+bail:
+	return;
+}
+
+void qib_qsfp_deinit(struct qib_qsfp_data *qd)
+{
+	/*
+	 * There is nothing to do here for now.  our
+	 * work is scheduled with schedule_work(), and
+	 * flush_scheduled_work() from remove_one will
+	 * block until all work ssetup with schedule_work()
+	 * completes.
+	 */
+}
+
+int qib_qsfp_dump(struct qib_pportdata *ppd, char *buf, int len)
+{
+	struct qib_qsfp_cache cd;
+	u8 bin_buff[QSFP_DUMP_CHUNK];
+	char lenstr[6];
+	int sofar, ret;
+	int bidx = 0;
+
+	sofar = 0;
+	ret = qib_refresh_qsfp_cache(ppd, &cd);
+	if (ret < 0)
+		goto bail;
+
+	lenstr[0] = ' ';
+	lenstr[1] = '\0';
+	if (QSFP_IS_CU(cd.tech))
+		sprintf(lenstr, "%dM ", cd.len);
+
+	sofar += scnprintf(buf + sofar, len - sofar, "PWR:%.3sW\n", pwr_codes +
+			   (QSFP_PWR(cd.pwr) * 4));
+
+	sofar += scnprintf(buf + sofar, len - sofar, "TECH:%s%s\n", lenstr,
+			   qib_qsfp_devtech[cd.tech >> 4]);
+
+	sofar += scnprintf(buf + sofar, len - sofar, "Vendor:%.*s\n",
+			   QSFP_VEND_LEN, cd.vendor);
+
+	sofar += scnprintf(buf + sofar, len - sofar, "OUI:%06X\n",
+			   QSFP_OUI(cd.oui));
+
+	sofar += scnprintf(buf + sofar, len - sofar, "Part#:%.*s\n",
+			   QSFP_PN_LEN, cd.partnum);
+	sofar += scnprintf(buf + sofar, len - sofar, "Rev:%.*s\n",
+			   QSFP_REV_LEN, cd.rev);
+	if (QSFP_IS_CU(cd.tech))
+		sofar += scnprintf(buf + sofar, len - sofar, "Atten:%d, %d\n",
+				   QSFP_ATTEN_SDR(cd.atten),
+				   QSFP_ATTEN_DDR(cd.atten));
+	sofar += scnprintf(buf + sofar, len - sofar, "Serial:%.*s\n",
+			   QSFP_SN_LEN, cd.serial);
+	sofar += scnprintf(buf + sofar, len - sofar, "Date:%.*s\n",
+			   QSFP_DATE_LEN, cd.date);
+	sofar += scnprintf(buf + sofar, len - sofar, "Lot:%.*s\n",
+			   QSFP_LOT_LEN, cd.date);
+
+	while (bidx < QSFP_DEFAULT_HDR_CNT) {
+		int iidx;
+		ret = qsfp_read(ppd, bidx, bin_buff, QSFP_DUMP_CHUNK);
+		if (ret < 0)
+			goto bail;
+		for (iidx = 0; iidx < ret; ++iidx) {
+			sofar += scnprintf(buf + sofar, len-sofar, " %02X",
+				bin_buff[iidx]);
+		}
+		sofar += scnprintf(buf + sofar, len - sofar, "\n");
+		bidx += QSFP_DUMP_CHUNK;
+	}
+	ret = sofar;
+bail:
+	return ret;
+}
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.h b/drivers/infiniband/hw/qib/qib_qsfp.h
new file mode 100644
index 00000000000..19b527bafd5
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_qsfp.h
@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+/* QSFP support common definitions, for ib_qib driver */
+
+#define QSFP_DEV 0xA0
+#define QSFP_PWR_LAG_MSEC 2000
+
+/*
+ * Below are masks for various QSFP signals, for Port 1.
+ * Port2 equivalents are shifted by QSFP_GPIO_PORT2_SHIFT.
+ * _N means asserted low
+ */
+#define QSFP_GPIO_MOD_SEL_N (4)
+#define QSFP_GPIO_MOD_PRS_N (8)
+#define QSFP_GPIO_INT_N (0x10)
+#define QSFP_GPIO_MOD_RST_N (0x20)
+#define QSFP_GPIO_LP_MODE (0x40)
+#define QSFP_GPIO_PORT2_SHIFT 5
+
+#define QSFP_PAGESIZE 128
+/* Defined fields that QLogic requires of qualified cables */
+/* Byte 0 is Identifier, not checked */
+/* Byte 1 is reserved "status MSB" */
+/* Byte 2 is "status LSB" We only care that D2 "Flat Mem" is set. */
+/*
+ * Rest of first 128 not used, although 127 is reserved for page select
+ * if module is not "Flat memory".
+ */
+/* Byte 128 is Identifier: must be 0x0c for QSFP, or 0x0d for QSFP+ */
+#define QSFP_MOD_ID_OFFS 128
+/*
+ * Byte 129 is "Extended Identifier". We only care about D7,D6: Power class
+ *  0:1.5W, 1:2.0W, 2:2.5W, 3:3.5W
+ */
+#define QSFP_MOD_PWR_OFFS 129
+/* Byte 130 is Connector type. Not QLogic req'd */
+/* Bytes 131..138 are Transceiver types, bit maps for various tech, none IB */
+/* Byte 139 is encoding. code 0x01 is 8b10b. Not QLogic req'd */
+/* byte 140 is nominal bit-rate, in units of 100Mbits/sec Not QLogic req'd */
+/* Byte 141 is Extended Rate Select. Not QLogic req'd */
+/* Bytes 142..145 are lengths for various fiber types. Not QLogic req'd */
+/* Byte 146 is length for Copper. Units of 1 meter */
+#define QSFP_MOD_LEN_OFFS 146
+/*
+ * Byte 147 is Device technology. D0..3 not Qlogc req'd
+ * D4..7 select from 15 choices, translated by table:
+ */
+#define QSFP_MOD_TECH_OFFS 147
+extern const char *const qib_qsfp_devtech[16];
+/* Active Equalization includes fiber, copper full EQ, and copper near Eq */
+#define QSFP_IS_ACTIVE(tech) ((0xA2FF >> ((tech) >> 4)) & 1)
+/* Attenuation should be valid for copper other than full/near Eq */
+#define QSFP_HAS_ATTEN(tech) ((0x4D00 >> ((tech) >> 4)) & 1)
+/* Length is only valid if technology is "copper" */
+#define QSFP_IS_CU(tech) ((0xED00 >> ((tech) >> 4)) & 1)
+#define QSFP_TECH_1490 9
+
+#define QSFP_OUI(oui) (((unsigned)oui[0] << 16) | ((unsigned)oui[1] << 8) | \
+			oui[2])
+#define QSFP_OUI_AMPHENOL 0x415048
+#define QSFP_OUI_FINISAR  0x009065
+#define QSFP_OUI_GORE     0x002177
+
+/* Bytes 148..163 are Vendor Name, Left-justified Blank-filled */
+#define QSFP_VEND_OFFS 148
+#define QSFP_VEND_LEN 16
+/* Byte 164 is IB Extended tranceiver codes Bits D0..3 are SDR,DDR,QDR,EDR */
+#define QSFP_IBXCV_OFFS 164
+/* Bytes 165..167 are Vendor OUI number */
+#define QSFP_VOUI_OFFS 165
+#define QSFP_VOUI_LEN 3
+/* Bytes 168..183 are Vendor Part Number, string */
+#define QSFP_PN_OFFS 168
+#define QSFP_PN_LEN 16
+/* Bytes 184,185 are Vendor Rev. Left Justified, Blank-filled */
+#define QSFP_REV_OFFS 184
+#define QSFP_REV_LEN 2
+/*
+ * Bytes 186,187 are Wavelength, if Optical. Not Qlogic req'd
+ *  If copper, they are attenuation in dB:
+ * Byte 186 is at 2.5Gb/sec (SDR), Byte 187 at 5.0Gb/sec (DDR)
+ */
+#define QSFP_ATTEN_OFFS 186
+#define QSFP_ATTEN_LEN 2
+/* Bytes 188,189 are Wavelength tolerance, not QLogic req'd */
+/* Byte 190 is Max Case Temp. Not QLogic req'd */
+/* Byte 191 is LSB of sum of bytes 128..190. Not QLogic req'd */
+#define QSFP_CC_OFFS 191
+/* Bytes 192..195 are Options implemented in qsfp. Not Qlogic req'd */
+/* Bytes 196..211 are Serial Number, String */
+#define QSFP_SN_OFFS 196
+#define QSFP_SN_LEN 16
+/* Bytes 212..219 are date-code YYMMDD (MM==1 for Jan) */
+#define QSFP_DATE_OFFS 212
+#define QSFP_DATE_LEN 6
+/* Bytes 218,219 are optional lot-code, string */
+#define QSFP_LOT_OFFS 218
+#define QSFP_LOT_LEN 2
+/* Bytes 220, 221 indicate monitoring options, Not QLogic req'd */
+/* Byte 223 is LSB of sum of bytes 192..222 */
+#define QSFP_CC_EXT_OFFS 223
+
+/*
+ * struct qib_qsfp_data encapsulates state of QSFP device for one port.
+ * it will be part of port-chip-specific data if a board supports QSFP.
+ *
+ * Since multiple board-types use QSFP, and their pport_data structs
+ * differ (in the chip-specific section), we need a pointer to its head.
+ *
+ * Avoiding premature optimization, we will have one work_struct per port,
+ * and let the (increasingly inaccurately named) eep_lock arbitrate
+ * access to common resources.
+ *
+ */
+
+/*
+ * Hold the parts of the onboard EEPROM that we care about, so we aren't
+ * coonstantly bit-boffing
+ */
+struct qib_qsfp_cache {
+	u8 id;	/* must be 0x0C or 0x0D; 0 indicates invalid EEPROM read */
+	u8 pwr; /* in D6,7 */
+	u8 len;	/* in meters, Cu only */
+	u8 tech;
+	char vendor[QSFP_VEND_LEN];
+	u8 xt_xcv; /* Ext. tranceiver codes, 4 lsbs are IB speed supported */
+	u8 oui[QSFP_VOUI_LEN];
+	u8 partnum[QSFP_PN_LEN];
+	u8 rev[QSFP_REV_LEN];
+	u8 atten[QSFP_ATTEN_LEN];
+	u8 cks1;	/* Checksum of bytes 128..190 */
+	u8 serial[QSFP_SN_LEN];
+	u8 date[QSFP_DATE_LEN];
+	u8 lot[QSFP_LOT_LEN];
+	u8 cks2;	/* Checsum of bytes 192..222 */
+};
+
+#define QSFP_PWR(pbyte) (((pbyte) >> 6) & 3)
+#define QSFP_ATTEN_SDR(attenarray) (attenarray[0])
+#define QSFP_ATTEN_DDR(attenarray) (attenarray[1])
+
+struct qib_qsfp_data {
+	/* Helps to find our way */
+	struct qib_pportdata *ppd;
+	struct work_struct work;
+	struct qib_qsfp_cache cache;
+	u64 t_insert;
+};
+
+extern int qib_refresh_qsfp_cache(struct qib_pportdata *ppd,
+				  struct qib_qsfp_cache *cp);
+extern void qib_qsfp_init(struct qib_qsfp_data *qd,
+			  void (*fevent)(struct work_struct *));
+extern void qib_qsfp_deinit(struct qib_qsfp_data *qd);
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
new file mode 100644
index 00000000000..40c0a373719
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -0,0 +1,2288 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/io.h>
+
+#include "qib.h"
+
+/* cut down ridiculously long IB macro names */
+#define OP(x) IB_OPCODE_RC_##x
+
+static void rc_timeout(unsigned long arg);
+
+static u32 restart_sge(struct qib_sge_state *ss, struct qib_swqe *wqe,
+		       u32 psn, u32 pmtu)
+{
+	u32 len;
+
+	len = ((psn - wqe->psn) & QIB_PSN_MASK) * pmtu;
+	ss->sge = wqe->sg_list[0];
+	ss->sg_list = wqe->sg_list + 1;
+	ss->num_sge = wqe->wr.num_sge;
+	ss->total_len = wqe->length;
+	qib_skip_sge(ss, len, 0);
+	return wqe->length - len;
+}
+
+static void start_timer(struct qib_qp *qp)
+{
+	qp->s_flags |= QIB_S_TIMER;
+	qp->s_timer.function = rc_timeout;
+	/* 4.096 usec. * (1 << qp->timeout) */
+	qp->s_timer.expires = jiffies +
+		usecs_to_jiffies((4096UL * (1UL << qp->timeout)) / 1000UL);
+	add_timer(&qp->s_timer);
+}
+
+/**
+ * qib_make_rc_ack - construct a response packet (ACK, NAK, or RDMA read)
+ * @dev: the device for this QP
+ * @qp: a pointer to the QP
+ * @ohdr: a pointer to the IB header being constructed
+ * @pmtu: the path MTU
+ *
+ * Return 1 if constructed; otherwise, return 0.
+ * Note that we are in the responder's side of the QP context.
+ * Note the QP s_lock must be held.
+ */
+static int qib_make_rc_ack(struct qib_ibdev *dev, struct qib_qp *qp,
+			   struct qib_other_headers *ohdr, u32 pmtu)
+{
+	struct qib_ack_entry *e;
+	u32 hwords;
+	u32 len;
+	u32 bth0;
+	u32 bth2;
+
+	/* Don't send an ACK if we aren't supposed to. */
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+		goto bail;
+
+	/* header size in 32-bit words LRH+BTH = (8+12)/4. */
+	hwords = 5;
+
+	switch (qp->s_ack_state) {
+	case OP(RDMA_READ_RESPONSE_LAST):
+	case OP(RDMA_READ_RESPONSE_ONLY):
+		e = &qp->s_ack_queue[qp->s_tail_ack_queue];
+		if (e->rdma_sge.mr) {
+			atomic_dec(&e->rdma_sge.mr->refcount);
+			e->rdma_sge.mr = NULL;
+		}
+		/* FALLTHROUGH */
+	case OP(ATOMIC_ACKNOWLEDGE):
+		/*
+		 * We can increment the tail pointer now that the last
+		 * response has been sent instead of only being
+		 * constructed.
+		 */
+		if (++qp->s_tail_ack_queue > QIB_MAX_RDMA_ATOMIC)
+			qp->s_tail_ack_queue = 0;
+		/* FALLTHROUGH */
+	case OP(SEND_ONLY):
+	case OP(ACKNOWLEDGE):
+		/* Check for no next entry in the queue. */
+		if (qp->r_head_ack_queue == qp->s_tail_ack_queue) {
+			if (qp->s_flags & QIB_S_ACK_PENDING)
+				goto normal;
+			goto bail;
+		}
+
+		e = &qp->s_ack_queue[qp->s_tail_ack_queue];
+		if (e->opcode == OP(RDMA_READ_REQUEST)) {
+			/*
+			 * If a RDMA read response is being resent and
+			 * we haven't seen the duplicate request yet,
+			 * then stop sending the remaining responses the
+			 * responder has seen until the requester resends it.
+			 */
+			len = e->rdma_sge.sge_length;
+			if (len && !e->rdma_sge.mr) {
+				qp->s_tail_ack_queue = qp->r_head_ack_queue;
+				goto bail;
+			}
+			/* Copy SGE state in case we need to resend */
+			qp->s_rdma_mr = e->rdma_sge.mr;
+			if (qp->s_rdma_mr)
+				atomic_inc(&qp->s_rdma_mr->refcount);
+			qp->s_ack_rdma_sge.sge = e->rdma_sge;
+			qp->s_ack_rdma_sge.num_sge = 1;
+			qp->s_cur_sge = &qp->s_ack_rdma_sge;
+			if (len > pmtu) {
+				len = pmtu;
+				qp->s_ack_state = OP(RDMA_READ_RESPONSE_FIRST);
+			} else {
+				qp->s_ack_state = OP(RDMA_READ_RESPONSE_ONLY);
+				e->sent = 1;
+			}
+			ohdr->u.aeth = qib_compute_aeth(qp);
+			hwords++;
+			qp->s_ack_rdma_psn = e->psn;
+			bth2 = qp->s_ack_rdma_psn++ & QIB_PSN_MASK;
+		} else {
+			/* COMPARE_SWAP or FETCH_ADD */
+			qp->s_cur_sge = NULL;
+			len = 0;
+			qp->s_ack_state = OP(ATOMIC_ACKNOWLEDGE);
+			ohdr->u.at.aeth = qib_compute_aeth(qp);
+			ohdr->u.at.atomic_ack_eth[0] =
+				cpu_to_be32(e->atomic_data >> 32);
+			ohdr->u.at.atomic_ack_eth[1] =
+				cpu_to_be32(e->atomic_data);
+			hwords += sizeof(ohdr->u.at) / sizeof(u32);
+			bth2 = e->psn & QIB_PSN_MASK;
+			e->sent = 1;
+		}
+		bth0 = qp->s_ack_state << 24;
+		break;
+
+	case OP(RDMA_READ_RESPONSE_FIRST):
+		qp->s_ack_state = OP(RDMA_READ_RESPONSE_MIDDLE);
+		/* FALLTHROUGH */
+	case OP(RDMA_READ_RESPONSE_MIDDLE):
+		qp->s_cur_sge = &qp->s_ack_rdma_sge;
+		qp->s_rdma_mr = qp->s_ack_rdma_sge.sge.mr;
+		if (qp->s_rdma_mr)
+			atomic_inc(&qp->s_rdma_mr->refcount);
+		len = qp->s_ack_rdma_sge.sge.sge_length;
+		if (len > pmtu)
+			len = pmtu;
+		else {
+			ohdr->u.aeth = qib_compute_aeth(qp);
+			hwords++;
+			qp->s_ack_state = OP(RDMA_READ_RESPONSE_LAST);
+			e = &qp->s_ack_queue[qp->s_tail_ack_queue];
+			e->sent = 1;
+		}
+		bth0 = qp->s_ack_state << 24;
+		bth2 = qp->s_ack_rdma_psn++ & QIB_PSN_MASK;
+		break;
+
+	default:
+normal:
+		/*
+		 * Send a regular ACK.
+		 * Set the s_ack_state so we wait until after sending
+		 * the ACK before setting s_ack_state to ACKNOWLEDGE
+		 * (see above).
+		 */
+		qp->s_ack_state = OP(SEND_ONLY);
+		qp->s_flags &= ~QIB_S_ACK_PENDING;
+		qp->s_cur_sge = NULL;
+		if (qp->s_nak_state)
+			ohdr->u.aeth =
+				cpu_to_be32((qp->r_msn & QIB_MSN_MASK) |
+					    (qp->s_nak_state <<
+					     QIB_AETH_CREDIT_SHIFT));
+		else
+			ohdr->u.aeth = qib_compute_aeth(qp);
+		hwords++;
+		len = 0;
+		bth0 = OP(ACKNOWLEDGE) << 24;
+		bth2 = qp->s_ack_psn & QIB_PSN_MASK;
+	}
+	qp->s_rdma_ack_cnt++;
+	qp->s_hdrwords = hwords;
+	qp->s_cur_size = len;
+	qib_make_ruc_header(qp, ohdr, bth0, bth2);
+	return 1;
+
+bail:
+	qp->s_ack_state = OP(ACKNOWLEDGE);
+	qp->s_flags &= ~(QIB_S_RESP_PENDING | QIB_S_ACK_PENDING);
+	return 0;
+}
+
+/**
+ * qib_make_rc_req - construct a request packet (SEND, RDMA r/w, ATOMIC)
+ * @qp: a pointer to the QP
+ *
+ * Return 1 if constructed; otherwise, return 0.
+ */
+int qib_make_rc_req(struct qib_qp *qp)
+{
+	struct qib_ibdev *dev = to_idev(qp->ibqp.device);
+	struct qib_other_headers *ohdr;
+	struct qib_sge_state *ss;
+	struct qib_swqe *wqe;
+	u32 hwords;
+	u32 len;
+	u32 bth0;
+	u32 bth2;
+	u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
+	char newreq;
+	unsigned long flags;
+	int ret = 0;
+	int delta;
+
+	ohdr = &qp->s_hdr.u.oth;
+	if (qp->remote_ah_attr.ah_flags & IB_AH_GRH)
+		ohdr = &qp->s_hdr.u.l.oth;
+
+	/*
+	 * The lock is needed to synchronize between the sending tasklet,
+	 * the receive interrupt handler, and timeout resends.
+	 */
+	spin_lock_irqsave(&qp->s_lock, flags);
+
+	/* Sending responses has higher priority over sending requests. */
+	if ((qp->s_flags & QIB_S_RESP_PENDING) &&
+	    qib_make_rc_ack(dev, qp, ohdr, pmtu))
+		goto done;
+
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_SEND_OK)) {
+		if (!(ib_qib_state_ops[qp->state] & QIB_FLUSH_SEND))
+			goto bail;
+		/* We are in the error state, flush the work request. */
+		if (qp->s_last == qp->s_head)
+			goto bail;
+		/* If DMAs are in progress, we can't flush immediately. */
+		if (atomic_read(&qp->s_dma_busy)) {
+			qp->s_flags |= QIB_S_WAIT_DMA;
+			goto bail;
+		}
+		wqe = get_swqe_ptr(qp, qp->s_last);
+		while (qp->s_last != qp->s_acked) {
+			qib_send_complete(qp, wqe, IB_WC_SUCCESS);
+			if (++qp->s_last >= qp->s_size)
+				qp->s_last = 0;
+			wqe = get_swqe_ptr(qp, qp->s_last);
+		}
+		qib_send_complete(qp, wqe, IB_WC_WR_FLUSH_ERR);
+		goto done;
+	}
+
+	if (qp->s_flags & (QIB_S_WAIT_RNR | QIB_S_WAIT_ACK))
+		goto bail;
+
+	if (qib_cmp24(qp->s_psn, qp->s_sending_hpsn) <= 0) {
+		if (qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0) {
+			qp->s_flags |= QIB_S_WAIT_PSN;
+			goto bail;
+		}
+		qp->s_sending_psn = qp->s_psn;
+		qp->s_sending_hpsn = qp->s_psn - 1;
+	}
+
+	/* header size in 32-bit words LRH+BTH = (8+12)/4. */
+	hwords = 5;
+	bth0 = 0;
+
+	/* Send a request. */
+	wqe = get_swqe_ptr(qp, qp->s_cur);
+	switch (qp->s_state) {
+	default:
+		if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_NEXT_SEND_OK))
+			goto bail;
+		/*
+		 * Resend an old request or start a new one.
+		 *
+		 * We keep track of the current SWQE so that
+		 * we don't reset the "furthest progress" state
+		 * if we need to back up.
+		 */
+		newreq = 0;
+		if (qp->s_cur == qp->s_tail) {
+			/* Check if send work queue is empty. */
+			if (qp->s_tail == qp->s_head)
+				goto bail;
+			/*
+			 * If a fence is requested, wait for previous
+			 * RDMA read and atomic operations to finish.
+			 */
+			if ((wqe->wr.send_flags & IB_SEND_FENCE) &&
+			    qp->s_num_rd_atomic) {
+				qp->s_flags |= QIB_S_WAIT_FENCE;
+				goto bail;
+			}
+			wqe->psn = qp->s_next_psn;
+			newreq = 1;
+		}
+		/*
+		 * Note that we have to be careful not to modify the
+		 * original work request since we may need to resend
+		 * it.
+		 */
+		len = wqe->length;
+		ss = &qp->s_sge;
+		bth2 = qp->s_psn & QIB_PSN_MASK;
+		switch (wqe->wr.opcode) {
+		case IB_WR_SEND:
+		case IB_WR_SEND_WITH_IMM:
+			/* If no credit, return. */
+			if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT) &&
+			    qib_cmp24(wqe->ssn, qp->s_lsn + 1) > 0) {
+				qp->s_flags |= QIB_S_WAIT_SSN_CREDIT;
+				goto bail;
+			}
+			wqe->lpsn = wqe->psn;
+			if (len > pmtu) {
+				wqe->lpsn += (len - 1) / pmtu;
+				qp->s_state = OP(SEND_FIRST);
+				len = pmtu;
+				break;
+			}
+			if (wqe->wr.opcode == IB_WR_SEND)
+				qp->s_state = OP(SEND_ONLY);
+			else {
+				qp->s_state = OP(SEND_ONLY_WITH_IMMEDIATE);
+				/* Immediate data comes after the BTH */
+				ohdr->u.imm_data = wqe->wr.ex.imm_data;
+				hwords += 1;
+			}
+			if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+				bth0 |= IB_BTH_SOLICITED;
+			bth2 |= IB_BTH_REQ_ACK;
+			if (++qp->s_cur == qp->s_size)
+				qp->s_cur = 0;
+			break;
+
+		case IB_WR_RDMA_WRITE:
+			if (newreq && !(qp->s_flags & QIB_S_UNLIMITED_CREDIT))
+				qp->s_lsn++;
+			/* FALLTHROUGH */
+		case IB_WR_RDMA_WRITE_WITH_IMM:
+			/* If no credit, return. */
+			if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT) &&
+			    qib_cmp24(wqe->ssn, qp->s_lsn + 1) > 0) {
+				qp->s_flags |= QIB_S_WAIT_SSN_CREDIT;
+				goto bail;
+			}
+			ohdr->u.rc.reth.vaddr =
+				cpu_to_be64(wqe->wr.wr.rdma.remote_addr);
+			ohdr->u.rc.reth.rkey =
+				cpu_to_be32(wqe->wr.wr.rdma.rkey);
+			ohdr->u.rc.reth.length = cpu_to_be32(len);
+			hwords += sizeof(struct ib_reth) / sizeof(u32);
+			wqe->lpsn = wqe->psn;
+			if (len > pmtu) {
+				wqe->lpsn += (len - 1) / pmtu;
+				qp->s_state = OP(RDMA_WRITE_FIRST);
+				len = pmtu;
+				break;
+			}
+			if (wqe->wr.opcode == IB_WR_RDMA_WRITE)
+				qp->s_state = OP(RDMA_WRITE_ONLY);
+			else {
+				qp->s_state =
+					OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE);
+				/* Immediate data comes after RETH */
+				ohdr->u.rc.imm_data = wqe->wr.ex.imm_data;
+				hwords += 1;
+				if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+					bth0 |= IB_BTH_SOLICITED;
+			}
+			bth2 |= IB_BTH_REQ_ACK;
+			if (++qp->s_cur == qp->s_size)
+				qp->s_cur = 0;
+			break;
+
+		case IB_WR_RDMA_READ:
+			/*
+			 * Don't allow more operations to be started
+			 * than the QP limits allow.
+			 */
+			if (newreq) {
+				if (qp->s_num_rd_atomic >=
+				    qp->s_max_rd_atomic) {
+					qp->s_flags |= QIB_S_WAIT_RDMAR;
+					goto bail;
+				}
+				qp->s_num_rd_atomic++;
+				if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT))
+					qp->s_lsn++;
+				/*
+				 * Adjust s_next_psn to count the
+				 * expected number of responses.
+				 */
+				if (len > pmtu)
+					qp->s_next_psn += (len - 1) / pmtu;
+				wqe->lpsn = qp->s_next_psn++;
+			}
+			ohdr->u.rc.reth.vaddr =
+				cpu_to_be64(wqe->wr.wr.rdma.remote_addr);
+			ohdr->u.rc.reth.rkey =
+				cpu_to_be32(wqe->wr.wr.rdma.rkey);
+			ohdr->u.rc.reth.length = cpu_to_be32(len);
+			qp->s_state = OP(RDMA_READ_REQUEST);
+			hwords += sizeof(ohdr->u.rc.reth) / sizeof(u32);
+			ss = NULL;
+			len = 0;
+			bth2 |= IB_BTH_REQ_ACK;
+			if (++qp->s_cur == qp->s_size)
+				qp->s_cur = 0;
+			break;
+
+		case IB_WR_ATOMIC_CMP_AND_SWP:
+		case IB_WR_ATOMIC_FETCH_AND_ADD:
+			/*
+			 * Don't allow more operations to be started
+			 * than the QP limits allow.
+			 */
+			if (newreq) {
+				if (qp->s_num_rd_atomic >=
+				    qp->s_max_rd_atomic) {
+					qp->s_flags |= QIB_S_WAIT_RDMAR;
+					goto bail;
+				}
+				qp->s_num_rd_atomic++;
+				if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT))
+					qp->s_lsn++;
+				wqe->lpsn = wqe->psn;
+			}
+			if (wqe->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP) {
+				qp->s_state = OP(COMPARE_SWAP);
+				ohdr->u.atomic_eth.swap_data = cpu_to_be64(
+					wqe->wr.wr.atomic.swap);
+				ohdr->u.atomic_eth.compare_data = cpu_to_be64(
+					wqe->wr.wr.atomic.compare_add);
+			} else {
+				qp->s_state = OP(FETCH_ADD);
+				ohdr->u.atomic_eth.swap_data = cpu_to_be64(
+					wqe->wr.wr.atomic.compare_add);
+				ohdr->u.atomic_eth.compare_data = 0;
+			}
+			ohdr->u.atomic_eth.vaddr[0] = cpu_to_be32(
+				wqe->wr.wr.atomic.remote_addr >> 32);
+			ohdr->u.atomic_eth.vaddr[1] = cpu_to_be32(
+				wqe->wr.wr.atomic.remote_addr);
+			ohdr->u.atomic_eth.rkey = cpu_to_be32(
+				wqe->wr.wr.atomic.rkey);
+			hwords += sizeof(struct ib_atomic_eth) / sizeof(u32);
+			ss = NULL;
+			len = 0;
+			bth2 |= IB_BTH_REQ_ACK;
+			if (++qp->s_cur == qp->s_size)
+				qp->s_cur = 0;
+			break;
+
+		default:
+			goto bail;
+		}
+		qp->s_sge.sge = wqe->sg_list[0];
+		qp->s_sge.sg_list = wqe->sg_list + 1;
+		qp->s_sge.num_sge = wqe->wr.num_sge;
+		qp->s_sge.total_len = wqe->length;
+		qp->s_len = wqe->length;
+		if (newreq) {
+			qp->s_tail++;
+			if (qp->s_tail >= qp->s_size)
+				qp->s_tail = 0;
+		}
+		if (wqe->wr.opcode == IB_WR_RDMA_READ)
+			qp->s_psn = wqe->lpsn + 1;
+		else {
+			qp->s_psn++;
+			if (qib_cmp24(qp->s_psn, qp->s_next_psn) > 0)
+				qp->s_next_psn = qp->s_psn;
+		}
+		break;
+
+	case OP(RDMA_READ_RESPONSE_FIRST):
+		/*
+		 * qp->s_state is normally set to the opcode of the
+		 * last packet constructed for new requests and therefore
+		 * is never set to RDMA read response.
+		 * RDMA_READ_RESPONSE_FIRST is used by the ACK processing
+		 * thread to indicate a SEND needs to be restarted from an
+		 * earlier PSN without interferring with the sending thread.
+		 * See qib_restart_rc().
+		 */
+		qp->s_len = restart_sge(&qp->s_sge, wqe, qp->s_psn, pmtu);
+		/* FALLTHROUGH */
+	case OP(SEND_FIRST):
+		qp->s_state = OP(SEND_MIDDLE);
+		/* FALLTHROUGH */
+	case OP(SEND_MIDDLE):
+		bth2 = qp->s_psn++ & QIB_PSN_MASK;
+		if (qib_cmp24(qp->s_psn, qp->s_next_psn) > 0)
+			qp->s_next_psn = qp->s_psn;
+		ss = &qp->s_sge;
+		len = qp->s_len;
+		if (len > pmtu) {
+			len = pmtu;
+			break;
+		}
+		if (wqe->wr.opcode == IB_WR_SEND)
+			qp->s_state = OP(SEND_LAST);
+		else {
+			qp->s_state = OP(SEND_LAST_WITH_IMMEDIATE);
+			/* Immediate data comes after the BTH */
+			ohdr->u.imm_data = wqe->wr.ex.imm_data;
+			hwords += 1;
+		}
+		if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+			bth0 |= IB_BTH_SOLICITED;
+		bth2 |= IB_BTH_REQ_ACK;
+		qp->s_cur++;
+		if (qp->s_cur >= qp->s_size)
+			qp->s_cur = 0;
+		break;
+
+	case OP(RDMA_READ_RESPONSE_LAST):
+		/*
+		 * qp->s_state is normally set to the opcode of the
+		 * last packet constructed for new requests and therefore
+		 * is never set to RDMA read response.
+		 * RDMA_READ_RESPONSE_LAST is used by the ACK processing
+		 * thread to indicate a RDMA write needs to be restarted from
+		 * an earlier PSN without interferring with the sending thread.
+		 * See qib_restart_rc().
+		 */
+		qp->s_len = restart_sge(&qp->s_sge, wqe, qp->s_psn, pmtu);
+		/* FALLTHROUGH */
+	case OP(RDMA_WRITE_FIRST):
+		qp->s_state = OP(RDMA_WRITE_MIDDLE);
+		/* FALLTHROUGH */
+	case OP(RDMA_WRITE_MIDDLE):
+		bth2 = qp->s_psn++ & QIB_PSN_MASK;
+		if (qib_cmp24(qp->s_psn, qp->s_next_psn) > 0)
+			qp->s_next_psn = qp->s_psn;
+		ss = &qp->s_sge;
+		len = qp->s_len;
+		if (len > pmtu) {
+			len = pmtu;
+			break;
+		}
+		if (wqe->wr.opcode == IB_WR_RDMA_WRITE)
+			qp->s_state = OP(RDMA_WRITE_LAST);
+		else {
+			qp->s_state = OP(RDMA_WRITE_LAST_WITH_IMMEDIATE);
+			/* Immediate data comes after the BTH */
+			ohdr->u.imm_data = wqe->wr.ex.imm_data;
+			hwords += 1;
+			if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+				bth0 |= IB_BTH_SOLICITED;
+		}
+		bth2 |= IB_BTH_REQ_ACK;
+		qp->s_cur++;
+		if (qp->s_cur >= qp->s_size)
+			qp->s_cur = 0;
+		break;
+
+	case OP(RDMA_READ_RESPONSE_MIDDLE):
+		/*
+		 * qp->s_state is normally set to the opcode of the
+		 * last packet constructed for new requests and therefore
+		 * is never set to RDMA read response.
+		 * RDMA_READ_RESPONSE_MIDDLE is used by the ACK processing
+		 * thread to indicate a RDMA read needs to be restarted from
+		 * an earlier PSN without interferring with the sending thread.
+		 * See qib_restart_rc().
+		 */
+		len = ((qp->s_psn - wqe->psn) & QIB_PSN_MASK) * pmtu;
+		ohdr->u.rc.reth.vaddr =
+			cpu_to_be64(wqe->wr.wr.rdma.remote_addr + len);
+		ohdr->u.rc.reth.rkey =
+			cpu_to_be32(wqe->wr.wr.rdma.rkey);
+		ohdr->u.rc.reth.length = cpu_to_be32(wqe->length - len);
+		qp->s_state = OP(RDMA_READ_REQUEST);
+		hwords += sizeof(ohdr->u.rc.reth) / sizeof(u32);
+		bth2 = (qp->s_psn & QIB_PSN_MASK) | IB_BTH_REQ_ACK;
+		qp->s_psn = wqe->lpsn + 1;
+		ss = NULL;
+		len = 0;
+		qp->s_cur++;
+		if (qp->s_cur == qp->s_size)
+			qp->s_cur = 0;
+		break;
+	}
+	qp->s_sending_hpsn = bth2;
+	delta = (((int) bth2 - (int) wqe->psn) << 8) >> 8;
+	if (delta && delta % QIB_PSN_CREDIT == 0)
+		bth2 |= IB_BTH_REQ_ACK;
+	if (qp->s_flags & QIB_S_SEND_ONE) {
+		qp->s_flags &= ~QIB_S_SEND_ONE;
+		qp->s_flags |= QIB_S_WAIT_ACK;
+		bth2 |= IB_BTH_REQ_ACK;
+	}
+	qp->s_len -= len;
+	qp->s_hdrwords = hwords;
+	qp->s_cur_sge = ss;
+	qp->s_cur_size = len;
+	qib_make_ruc_header(qp, ohdr, bth0 | (qp->s_state << 24), bth2);
+done:
+	ret = 1;
+	goto unlock;
+
+bail:
+	qp->s_flags &= ~QIB_S_BUSY;
+unlock:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+	return ret;
+}
+
+/**
+ * qib_send_rc_ack - Construct an ACK packet and send it
+ * @qp: a pointer to the QP
+ *
+ * This is called from qib_rc_rcv() and qib_kreceive().
+ * Note that RDMA reads and atomics are handled in the
+ * send side QP state and tasklet.
+ */
+void qib_send_rc_ack(struct qib_qp *qp)
+{
+	struct qib_devdata *dd = dd_from_ibdev(qp->ibqp.device);
+	struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	u64 pbc;
+	u16 lrh0;
+	u32 bth0;
+	u32 hwords;
+	u32 pbufn;
+	u32 __iomem *piobuf;
+	struct qib_ib_header hdr;
+	struct qib_other_headers *ohdr;
+	u32 control;
+	unsigned long flags;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+		goto unlock;
+
+	/* Don't send ACK or NAK if a RDMA read or atomic is pending. */
+	if ((qp->s_flags & QIB_S_RESP_PENDING) || qp->s_rdma_ack_cnt)
+		goto queue_ack;
+
+	/* Construct the header with s_lock held so APM doesn't change it. */
+	ohdr = &hdr.u.oth;
+	lrh0 = QIB_LRH_BTH;
+	/* header size in 32-bit words LRH+BTH+AETH = (8+12+4)/4. */
+	hwords = 6;
+	if (unlikely(qp->remote_ah_attr.ah_flags & IB_AH_GRH)) {
+		hwords += qib_make_grh(ibp, &hdr.u.l.grh,
+				       &qp->remote_ah_attr.grh, hwords, 0);
+		ohdr = &hdr.u.l.oth;
+		lrh0 = QIB_LRH_GRH;
+	}
+	/* read pkey_index w/o lock (its atomic) */
+	bth0 = qib_get_pkey(ibp, qp->s_pkey_index) | (OP(ACKNOWLEDGE) << 24);
+	if (qp->s_mig_state == IB_MIG_MIGRATED)
+		bth0 |= IB_BTH_MIG_REQ;
+	if (qp->r_nak_state)
+		ohdr->u.aeth = cpu_to_be32((qp->r_msn & QIB_MSN_MASK) |
+					    (qp->r_nak_state <<
+					     QIB_AETH_CREDIT_SHIFT));
+	else
+		ohdr->u.aeth = qib_compute_aeth(qp);
+	lrh0 |= ibp->sl_to_vl[qp->remote_ah_attr.sl] << 12 |
+		qp->remote_ah_attr.sl << 4;
+	hdr.lrh[0] = cpu_to_be16(lrh0);
+	hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
+	hdr.lrh[2] = cpu_to_be16(hwords + SIZE_OF_CRC);
+	hdr.lrh[3] = cpu_to_be16(ppd->lid | qp->remote_ah_attr.src_path_bits);
+	ohdr->bth[0] = cpu_to_be32(bth0);
+	ohdr->bth[1] = cpu_to_be32(qp->remote_qpn);
+	ohdr->bth[2] = cpu_to_be32(qp->r_ack_psn & QIB_PSN_MASK);
+
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+
+	/* Don't try to send ACKs if the link isn't ACTIVE */
+	if (!(ppd->lflags & QIBL_LINKACTIVE))
+		goto done;
+
+	control = dd->f_setpbc_control(ppd, hwords + SIZE_OF_CRC,
+				       qp->s_srate, lrh0 >> 12);
+	/* length is + 1 for the control dword */
+	pbc = ((u64) control << 32) | (hwords + 1);
+
+	piobuf = dd->f_getsendbuf(ppd, pbc, &pbufn);
+	if (!piobuf) {
+		/*
+		 * We are out of PIO buffers at the moment.
+		 * Pass responsibility for sending the ACK to the
+		 * send tasklet so that when a PIO buffer becomes
+		 * available, the ACK is sent ahead of other outgoing
+		 * packets.
+		 */
+		spin_lock_irqsave(&qp->s_lock, flags);
+		goto queue_ack;
+	}
+
+	/*
+	 * Write the pbc.
+	 * We have to flush after the PBC for correctness
+	 * on some cpus or WC buffer can be written out of order.
+	 */
+	writeq(pbc, piobuf);
+
+	if (dd->flags & QIB_PIO_FLUSH_WC) {
+		u32 *hdrp = (u32 *) &hdr;
+
+		qib_flush_wc();
+		qib_pio_copy(piobuf + 2, hdrp, hwords - 1);
+		qib_flush_wc();
+		__raw_writel(hdrp[hwords - 1], piobuf + hwords + 1);
+	} else
+		qib_pio_copy(piobuf + 2, (u32 *) &hdr, hwords);
+
+	if (dd->flags & QIB_USE_SPCL_TRIG) {
+		u32 spcl_off = (pbufn >= dd->piobcnt2k) ? 2047 : 1023;
+
+		qib_flush_wc();
+		__raw_writel(0xaebecede, piobuf + spcl_off);
+	}
+
+	qib_flush_wc();
+	qib_sendbuf_done(dd, pbufn);
+
+	ibp->n_unicast_xmit++;
+	goto done;
+
+queue_ack:
+	if (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK) {
+		ibp->n_rc_qacks++;
+		qp->s_flags |= QIB_S_ACK_PENDING | QIB_S_RESP_PENDING;
+		qp->s_nak_state = qp->r_nak_state;
+		qp->s_ack_psn = qp->r_ack_psn;
+
+		/* Schedule the send tasklet. */
+		qib_schedule_send(qp);
+	}
+unlock:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+done:
+	return;
+}
+
+/**
+ * reset_psn - reset the QP state to send starting from PSN
+ * @qp: the QP
+ * @psn: the packet sequence number to restart at
+ *
+ * This is called from qib_rc_rcv() to process an incoming RC ACK
+ * for the given QP.
+ * Called at interrupt level with the QP s_lock held.
+ */
+static void reset_psn(struct qib_qp *qp, u32 psn)
+{
+	u32 n = qp->s_acked;
+	struct qib_swqe *wqe = get_swqe_ptr(qp, n);
+	u32 opcode;
+
+	qp->s_cur = n;
+
+	/*
+	 * If we are starting the request from the beginning,
+	 * let the normal send code handle initialization.
+	 */
+	if (qib_cmp24(psn, wqe->psn) <= 0) {
+		qp->s_state = OP(SEND_LAST);
+		goto done;
+	}
+
+	/* Find the work request opcode corresponding to the given PSN. */
+	opcode = wqe->wr.opcode;
+	for (;;) {
+		int diff;
+
+		if (++n == qp->s_size)
+			n = 0;
+		if (n == qp->s_tail)
+			break;
+		wqe = get_swqe_ptr(qp, n);
+		diff = qib_cmp24(psn, wqe->psn);
+		if (diff < 0)
+			break;
+		qp->s_cur = n;
+		/*
+		 * If we are starting the request from the beginning,
+		 * let the normal send code handle initialization.
+		 */
+		if (diff == 0) {
+			qp->s_state = OP(SEND_LAST);
+			goto done;
+		}
+		opcode = wqe->wr.opcode;
+	}
+
+	/*
+	 * Set the state to restart in the middle of a request.
+	 * Don't change the s_sge, s_cur_sge, or s_cur_size.
+	 * See qib_make_rc_req().
+	 */
+	switch (opcode) {
+	case IB_WR_SEND:
+	case IB_WR_SEND_WITH_IMM:
+		qp->s_state = OP(RDMA_READ_RESPONSE_FIRST);
+		break;
+
+	case IB_WR_RDMA_WRITE:
+	case IB_WR_RDMA_WRITE_WITH_IMM:
+		qp->s_state = OP(RDMA_READ_RESPONSE_LAST);
+		break;
+
+	case IB_WR_RDMA_READ:
+		qp->s_state = OP(RDMA_READ_RESPONSE_MIDDLE);
+		break;
+
+	default:
+		/*
+		 * This case shouldn't happen since its only
+		 * one PSN per req.
+		 */
+		qp->s_state = OP(SEND_LAST);
+	}
+done:
+	qp->s_psn = psn;
+	/*
+	 * Set QIB_S_WAIT_PSN as qib_rc_complete() may start the timer
+	 * asynchronously before the send tasklet can get scheduled.
+	 * Doing it in qib_make_rc_req() is too late.
+	 */
+	if ((qib_cmp24(qp->s_psn, qp->s_sending_hpsn) <= 0) &&
+	    (qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0))
+		qp->s_flags |= QIB_S_WAIT_PSN;
+}
+
+/*
+ * Back up requester to resend the last un-ACKed request.
+ * The QP s_lock should be held and interrupts disabled.
+ */
+static void qib_restart_rc(struct qib_qp *qp, u32 psn, int wait)
+{
+	struct qib_swqe *wqe = get_swqe_ptr(qp, qp->s_acked);
+	struct qib_ibport *ibp;
+
+	if (qp->s_retry == 0) {
+		if (qp->s_mig_state == IB_MIG_ARMED) {
+			qib_migrate_qp(qp);
+			qp->s_retry = qp->s_retry_cnt;
+		} else if (qp->s_last == qp->s_acked) {
+			qib_send_complete(qp, wqe, IB_WC_RETRY_EXC_ERR);
+			qib_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+			return;
+		} else /* XXX need to handle delayed completion */
+			return;
+	} else
+		qp->s_retry--;
+
+	ibp = to_iport(qp->ibqp.device, qp->port_num);
+	if (wqe->wr.opcode == IB_WR_RDMA_READ)
+		ibp->n_rc_resends++;
+	else
+		ibp->n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;
+
+	qp->s_flags &= ~(QIB_S_WAIT_FENCE | QIB_S_WAIT_RDMAR |
+			 QIB_S_WAIT_SSN_CREDIT | QIB_S_WAIT_PSN |
+			 QIB_S_WAIT_ACK);
+	if (wait)
+		qp->s_flags |= QIB_S_SEND_ONE;
+	reset_psn(qp, psn);
+}
+
+/*
+ * This is called from s_timer for missing responses.
+ */
+static void rc_timeout(unsigned long arg)
+{
+	struct qib_qp *qp = (struct qib_qp *)arg;
+	struct qib_ibport *ibp;
+	unsigned long flags;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+	if (qp->s_flags & QIB_S_TIMER) {
+		ibp = to_iport(qp->ibqp.device, qp->port_num);
+		ibp->n_rc_timeouts++;
+		qp->s_flags &= ~QIB_S_TIMER;
+		del_timer(&qp->s_timer);
+		qib_restart_rc(qp, qp->s_last_psn + 1, 1);
+		qib_schedule_send(qp);
+	}
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+}
+
+/*
+ * This is called from s_timer for RNR timeouts.
+ */
+void qib_rc_rnr_retry(unsigned long arg)
+{
+	struct qib_qp *qp = (struct qib_qp *)arg;
+	unsigned long flags;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+	if (qp->s_flags & QIB_S_WAIT_RNR) {
+		qp->s_flags &= ~QIB_S_WAIT_RNR;
+		del_timer(&qp->s_timer);
+		qib_schedule_send(qp);
+	}
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+}
+
+/*
+ * Set qp->s_sending_psn to the next PSN after the given one.
+ * This would be psn+1 except when RDMA reads are present.
+ */
+static void reset_sending_psn(struct qib_qp *qp, u32 psn)
+{
+	struct qib_swqe *wqe;
+	u32 n = qp->s_last;
+
+	/* Find the work request corresponding to the given PSN. */
+	for (;;) {
+		wqe = get_swqe_ptr(qp, n);
+		if (qib_cmp24(psn, wqe->lpsn) <= 0) {
+			if (wqe->wr.opcode == IB_WR_RDMA_READ)
+				qp->s_sending_psn = wqe->lpsn + 1;
+			else
+				qp->s_sending_psn = psn + 1;
+			break;
+		}
+		if (++n == qp->s_size)
+			n = 0;
+		if (n == qp->s_tail)
+			break;
+	}
+}
+
+/*
+ * This should be called with the QP s_lock held and interrupts disabled.
+ */
+void qib_rc_send_complete(struct qib_qp *qp, struct qib_ib_header *hdr)
+{
+	struct qib_other_headers *ohdr;
+	struct qib_swqe *wqe;
+	struct ib_wc wc;
+	unsigned i;
+	u32 opcode;
+	u32 psn;
+
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_OR_FLUSH_SEND))
+		return;
+
+	/* Find out where the BTH is */
+	if ((be16_to_cpu(hdr->lrh[0]) & 3) == QIB_LRH_BTH)
+		ohdr = &hdr->u.oth;
+	else
+		ohdr = &hdr->u.l.oth;
+
+	opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
+	if (opcode >= OP(RDMA_READ_RESPONSE_FIRST) &&
+	    opcode <= OP(ATOMIC_ACKNOWLEDGE)) {
+		WARN_ON(!qp->s_rdma_ack_cnt);
+		qp->s_rdma_ack_cnt--;
+		return;
+	}
+
+	psn = be32_to_cpu(ohdr->bth[2]);
+	reset_sending_psn(qp, psn);
+
+	/*
+	 * Start timer after a packet requesting an ACK has been sent and
+	 * there are still requests that haven't been acked.
+	 */
+	if ((psn & IB_BTH_REQ_ACK) && qp->s_acked != qp->s_tail &&
+	    !(qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR | QIB_S_WAIT_PSN)))
+		start_timer(qp);
+
+	while (qp->s_last != qp->s_acked) {
+		wqe = get_swqe_ptr(qp, qp->s_last);
+		if (qib_cmp24(wqe->lpsn, qp->s_sending_psn) >= 0 &&
+		    qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)
+			break;
+		for (i = 0; i < wqe->wr.num_sge; i++) {
+			struct qib_sge *sge = &wqe->sg_list[i];
+
+			atomic_dec(&sge->mr->refcount);
+		}
+		/* Post a send completion queue entry if requested. */
+		if (!(qp->s_flags & QIB_S_SIGNAL_REQ_WR) ||
+		    (wqe->wr.send_flags & IB_SEND_SIGNALED)) {
+			memset(&wc, 0, sizeof wc);
+			wc.wr_id = wqe->wr.wr_id;
+			wc.status = IB_WC_SUCCESS;
+			wc.opcode = ib_qib_wc_opcode[wqe->wr.opcode];
+			wc.byte_len = wqe->length;
+			wc.qp = &qp->ibqp;
+			qib_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 0);
+		}
+		if (++qp->s_last >= qp->s_size)
+			qp->s_last = 0;
+	}
+	/*
+	 * If we were waiting for sends to complete before resending,
+	 * and they are now complete, restart sending.
+	 */
+	if (qp->s_flags & QIB_S_WAIT_PSN &&
+	    qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
+		qp->s_flags &= ~QIB_S_WAIT_PSN;
+		qp->s_sending_psn = qp->s_psn;
+		qp->s_sending_hpsn = qp->s_psn - 1;
+		qib_schedule_send(qp);
+	}
+}
+
+static inline void update_last_psn(struct qib_qp *qp, u32 psn)
+{
+	qp->s_last_psn = psn;
+}
+
+/*
+ * Generate a SWQE completion.
+ * This is similar to qib_send_complete but has to check to be sure
+ * that the SGEs are not being referenced if the SWQE is being resent.
+ */
+static struct qib_swqe *do_rc_completion(struct qib_qp *qp,
+					 struct qib_swqe *wqe,
+					 struct qib_ibport *ibp)
+{
+	struct ib_wc wc;
+	unsigned i;
+
+	/*
+	 * Don't decrement refcount and don't generate a
+	 * completion if the SWQE is being resent until the send
+	 * is finished.
+	 */
+	if (qib_cmp24(wqe->lpsn, qp->s_sending_psn) < 0 ||
+	    qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
+		for (i = 0; i < wqe->wr.num_sge; i++) {
+			struct qib_sge *sge = &wqe->sg_list[i];
+
+			atomic_dec(&sge->mr->refcount);
+		}
+		/* Post a send completion queue entry if requested. */
+		if (!(qp->s_flags & QIB_S_SIGNAL_REQ_WR) ||
+		    (wqe->wr.send_flags & IB_SEND_SIGNALED)) {
+			memset(&wc, 0, sizeof wc);
+			wc.wr_id = wqe->wr.wr_id;
+			wc.status = IB_WC_SUCCESS;
+			wc.opcode = ib_qib_wc_opcode[wqe->wr.opcode];
+			wc.byte_len = wqe->length;
+			wc.qp = &qp->ibqp;
+			qib_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 0);
+		}
+		if (++qp->s_last >= qp->s_size)
+			qp->s_last = 0;
+	} else
+		ibp->n_rc_delayed_comp++;
+
+	qp->s_retry = qp->s_retry_cnt;
+	update_last_psn(qp, wqe->lpsn);
+
+	/*
+	 * If we are completing a request which is in the process of
+	 * being resent, we can stop resending it since we know the
+	 * responder has already seen it.
+	 */
+	if (qp->s_acked == qp->s_cur) {
+		if (++qp->s_cur >= qp->s_size)
+			qp->s_cur = 0;
+		qp->s_acked = qp->s_cur;
+		wqe = get_swqe_ptr(qp, qp->s_cur);
+		if (qp->s_acked != qp->s_tail) {
+			qp->s_state = OP(SEND_LAST);
+			qp->s_psn = wqe->psn;
+		}
+	} else {
+		if (++qp->s_acked >= qp->s_size)
+			qp->s_acked = 0;
+		if (qp->state == IB_QPS_SQD && qp->s_acked == qp->s_cur)
+			qp->s_draining = 0;
+		wqe = get_swqe_ptr(qp, qp->s_acked);
+	}
+	return wqe;
+}
+
+/**
+ * do_rc_ack - process an incoming RC ACK
+ * @qp: the QP the ACK came in on
+ * @psn: the packet sequence number of the ACK
+ * @opcode: the opcode of the request that resulted in the ACK
+ *
+ * This is called from qib_rc_rcv_resp() to process an incoming RC ACK
+ * for the given QP.
+ * Called at interrupt level with the QP s_lock held.
+ * Returns 1 if OK, 0 if current operation should be aborted (NAK).
+ */
+static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
+		     u64 val, struct qib_ctxtdata *rcd)
+{
+	struct qib_ibport *ibp;
+	enum ib_wc_status status;
+	struct qib_swqe *wqe;
+	int ret = 0;
+	u32 ack_psn;
+	int diff;
+
+	/* Remove QP from retry timer */
+	if (qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR)) {
+		qp->s_flags &= ~(QIB_S_TIMER | QIB_S_WAIT_RNR);
+		del_timer(&qp->s_timer);
+	}
+
+	/*
+	 * Note that NAKs implicitly ACK outstanding SEND and RDMA write
+	 * requests and implicitly NAK RDMA read and atomic requests issued
+	 * before the NAK'ed request.  The MSN won't include the NAK'ed
+	 * request but will include an ACK'ed request(s).
+	 */
+	ack_psn = psn;
+	if (aeth >> 29)
+		ack_psn--;
+	wqe = get_swqe_ptr(qp, qp->s_acked);
+	ibp = to_iport(qp->ibqp.device, qp->port_num);
+
+	/*
+	 * The MSN might be for a later WQE than the PSN indicates so
+	 * only complete WQEs that the PSN finishes.
+	 */
+	while ((diff = qib_cmp24(ack_psn, wqe->lpsn)) >= 0) {
+		/*
+		 * RDMA_READ_RESPONSE_ONLY is a special case since
+		 * we want to generate completion events for everything
+		 * before the RDMA read, copy the data, then generate
+		 * the completion for the read.
+		 */
+		if (wqe->wr.opcode == IB_WR_RDMA_READ &&
+		    opcode == OP(RDMA_READ_RESPONSE_ONLY) &&
+		    diff == 0) {
+			ret = 1;
+			goto bail;
+		}
+		/*
+		 * If this request is a RDMA read or atomic, and the ACK is
+		 * for a later operation, this ACK NAKs the RDMA read or
+		 * atomic.  In other words, only a RDMA_READ_LAST or ONLY
+		 * can ACK a RDMA read and likewise for atomic ops.  Note
+		 * that the NAK case can only happen if relaxed ordering is
+		 * used and requests are sent after an RDMA read or atomic
+		 * is sent but before the response is received.
+		 */
+		if ((wqe->wr.opcode == IB_WR_RDMA_READ &&
+		     (opcode != OP(RDMA_READ_RESPONSE_LAST) || diff != 0)) ||
+		    ((wqe->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
+		      wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) &&
+		     (opcode != OP(ATOMIC_ACKNOWLEDGE) || diff != 0))) {
+			/* Retry this request. */
+			if (!(qp->r_flags & QIB_R_RDMAR_SEQ)) {
+				qp->r_flags |= QIB_R_RDMAR_SEQ;
+				qib_restart_rc(qp, qp->s_last_psn + 1, 0);
+				if (list_empty(&qp->rspwait)) {
+					qp->r_flags |= QIB_R_RSP_SEND;
+					atomic_inc(&qp->refcount);
+					list_add_tail(&qp->rspwait,
+						      &rcd->qp_wait_list);
+				}
+			}
+			/*
+			 * No need to process the ACK/NAK since we are
+			 * restarting an earlier request.
+			 */
+			goto bail;
+		}
+		if (wqe->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
+		    wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) {
+			u64 *vaddr = wqe->sg_list[0].vaddr;
+			*vaddr = val;
+		}
+		if (qp->s_num_rd_atomic &&
+		    (wqe->wr.opcode == IB_WR_RDMA_READ ||
+		     wqe->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
+		     wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD)) {
+			qp->s_num_rd_atomic--;
+			/* Restart sending task if fence is complete */
+			if ((qp->s_flags & QIB_S_WAIT_FENCE) &&
+			    !qp->s_num_rd_atomic) {
+				qp->s_flags &= ~(QIB_S_WAIT_FENCE |
+						 QIB_S_WAIT_ACK);
+				qib_schedule_send(qp);
+			} else if (qp->s_flags & QIB_S_WAIT_RDMAR) {
+				qp->s_flags &= ~(QIB_S_WAIT_RDMAR |
+						 QIB_S_WAIT_ACK);
+				qib_schedule_send(qp);
+			}
+		}
+		wqe = do_rc_completion(qp, wqe, ibp);
+		if (qp->s_acked == qp->s_tail)
+			break;
+	}
+
+	switch (aeth >> 29) {
+	case 0:         /* ACK */
+		ibp->n_rc_acks++;
+		if (qp->s_acked != qp->s_tail) {
+			/*
+			 * We are expecting more ACKs so
+			 * reset the retransmit timer.
+			 */
+			start_timer(qp);
+			/*
+			 * We can stop resending the earlier packets and
+			 * continue with the next packet the receiver wants.
+			 */
+			if (qib_cmp24(qp->s_psn, psn) <= 0)
+				reset_psn(qp, psn + 1);
+		} else if (qib_cmp24(qp->s_psn, psn) <= 0) {
+			qp->s_state = OP(SEND_LAST);
+			qp->s_psn = psn + 1;
+		}
+		if (qp->s_flags & QIB_S_WAIT_ACK) {
+			qp->s_flags &= ~QIB_S_WAIT_ACK;
+			qib_schedule_send(qp);
+		}
+		qib_get_credit(qp, aeth);
+		qp->s_rnr_retry = qp->s_rnr_retry_cnt;
+		qp->s_retry = qp->s_retry_cnt;
+		update_last_psn(qp, psn);
+		ret = 1;
+		goto bail;
+
+	case 1:         /* RNR NAK */
+		ibp->n_rnr_naks++;
+		if (qp->s_acked == qp->s_tail)
+			goto bail;
+		if (qp->s_flags & QIB_S_WAIT_RNR)
+			goto bail;
+		if (qp->s_rnr_retry == 0) {
+			status = IB_WC_RNR_RETRY_EXC_ERR;
+			goto class_b;
+		}
+		if (qp->s_rnr_retry_cnt < 7)
+			qp->s_rnr_retry--;
+
+		/* The last valid PSN is the previous PSN. */
+		update_last_psn(qp, psn - 1);
+
+		ibp->n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;
+
+		reset_psn(qp, psn);
+
+		qp->s_flags &= ~(QIB_S_WAIT_SSN_CREDIT | QIB_S_WAIT_ACK);
+		qp->s_flags |= QIB_S_WAIT_RNR;
+		qp->s_timer.function = qib_rc_rnr_retry;
+		qp->s_timer.expires = jiffies + usecs_to_jiffies(
+			ib_qib_rnr_table[(aeth >> QIB_AETH_CREDIT_SHIFT) &
+					   QIB_AETH_CREDIT_MASK]);
+		add_timer(&qp->s_timer);
+		goto bail;
+
+	case 3:         /* NAK */
+		if (qp->s_acked == qp->s_tail)
+			goto bail;
+		/* The last valid PSN is the previous PSN. */
+		update_last_psn(qp, psn - 1);
+		switch ((aeth >> QIB_AETH_CREDIT_SHIFT) &
+			QIB_AETH_CREDIT_MASK) {
+		case 0: /* PSN sequence error */
+			ibp->n_seq_naks++;
+			/*
+			 * Back up to the responder's expected PSN.
+			 * Note that we might get a NAK in the middle of an
+			 * RDMA READ response which terminates the RDMA
+			 * READ.
+			 */
+			qib_restart_rc(qp, psn, 0);
+			qib_schedule_send(qp);
+			break;
+
+		case 1: /* Invalid Request */
+			status = IB_WC_REM_INV_REQ_ERR;
+			ibp->n_other_naks++;
+			goto class_b;
+
+		case 2: /* Remote Access Error */
+			status = IB_WC_REM_ACCESS_ERR;
+			ibp->n_other_naks++;
+			goto class_b;
+
+		case 3: /* Remote Operation Error */
+			status = IB_WC_REM_OP_ERR;
+			ibp->n_other_naks++;
+class_b:
+			if (qp->s_last == qp->s_acked) {
+				qib_send_complete(qp, wqe, status);
+				qib_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+			}
+			break;
+
+		default:
+			/* Ignore other reserved NAK error codes */
+			goto reserved;
+		}
+		qp->s_retry = qp->s_retry_cnt;
+		qp->s_rnr_retry = qp->s_rnr_retry_cnt;
+		goto bail;
+
+	default:                /* 2: reserved */
+reserved:
+		/* Ignore reserved NAK codes. */
+		goto bail;
+	}
+
+bail:
+	return ret;
+}
+
+/*
+ * We have seen an out of sequence RDMA read middle or last packet.
+ * This ACKs SENDs and RDMA writes up to the first RDMA read or atomic SWQE.
+ */
+static void rdma_seq_err(struct qib_qp *qp, struct qib_ibport *ibp, u32 psn,
+			 struct qib_ctxtdata *rcd)
+{
+	struct qib_swqe *wqe;
+
+	/* Remove QP from retry timer */
+	if (qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR)) {
+		qp->s_flags &= ~(QIB_S_TIMER | QIB_S_WAIT_RNR);
+		del_timer(&qp->s_timer);
+	}
+
+	wqe = get_swqe_ptr(qp, qp->s_acked);
+
+	while (qib_cmp24(psn, wqe->lpsn) > 0) {
+		if (wqe->wr.opcode == IB_WR_RDMA_READ ||
+		    wqe->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
+		    wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD)
+			break;
+		wqe = do_rc_completion(qp, wqe, ibp);
+	}
+
+	ibp->n_rdma_seq++;
+	qp->r_flags |= QIB_R_RDMAR_SEQ;
+	qib_restart_rc(qp, qp->s_last_psn + 1, 0);
+	if (list_empty(&qp->rspwait)) {
+		qp->r_flags |= QIB_R_RSP_SEND;
+		atomic_inc(&qp->refcount);
+		list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
+	}
+}
+
+/**
+ * qib_rc_rcv_resp - process an incoming RC response packet
+ * @ibp: the port this packet came in on
+ * @ohdr: the other headers for this packet
+ * @data: the packet data
+ * @tlen: the packet length
+ * @qp: the QP for this packet
+ * @opcode: the opcode for this packet
+ * @psn: the packet sequence number for this packet
+ * @hdrsize: the header length
+ * @pmtu: the path MTU
+ *
+ * This is called from qib_rc_rcv() to process an incoming RC response
+ * packet for the given QP.
+ * Called at interrupt level.
+ */
+static void qib_rc_rcv_resp(struct qib_ibport *ibp,
+			    struct qib_other_headers *ohdr,
+			    void *data, u32 tlen,
+			    struct qib_qp *qp,
+			    u32 opcode,
+			    u32 psn, u32 hdrsize, u32 pmtu,
+			    struct qib_ctxtdata *rcd)
+{
+	struct qib_swqe *wqe;
+	enum ib_wc_status status;
+	unsigned long flags;
+	int diff;
+	u32 pad;
+	u32 aeth;
+	u64 val;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+
+	/* Double check we can process this now that we hold the s_lock. */
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+		goto ack_done;
+
+	/* Ignore invalid responses. */
+	if (qib_cmp24(psn, qp->s_next_psn) >= 0)
+		goto ack_done;
+
+	/* Ignore duplicate responses. */
+	diff = qib_cmp24(psn, qp->s_last_psn);
+	if (unlikely(diff <= 0)) {
+		/* Update credits for "ghost" ACKs */
+		if (diff == 0 && opcode == OP(ACKNOWLEDGE)) {
+			aeth = be32_to_cpu(ohdr->u.aeth);
+			if ((aeth >> 29) == 0)
+				qib_get_credit(qp, aeth);
+		}
+		goto ack_done;
+	}
+
+	/*
+	 * Skip everything other than the PSN we expect, if we are waiting
+	 * for a reply to a restarted RDMA read or atomic op.
+	 */
+	if (qp->r_flags & QIB_R_RDMAR_SEQ) {
+		if (qib_cmp24(psn, qp->s_last_psn + 1) != 0)
+			goto ack_done;
+		qp->r_flags &= ~QIB_R_RDMAR_SEQ;
+	}
+
+	if (unlikely(qp->s_acked == qp->s_tail))
+		goto ack_done;
+	wqe = get_swqe_ptr(qp, qp->s_acked);
+	status = IB_WC_SUCCESS;
+
+	switch (opcode) {
+	case OP(ACKNOWLEDGE):
+	case OP(ATOMIC_ACKNOWLEDGE):
+	case OP(RDMA_READ_RESPONSE_FIRST):
+		aeth = be32_to_cpu(ohdr->u.aeth);
+		if (opcode == OP(ATOMIC_ACKNOWLEDGE)) {
+			__be32 *p = ohdr->u.at.atomic_ack_eth;
+
+			val = ((u64) be32_to_cpu(p[0]) << 32) |
+				be32_to_cpu(p[1]);
+		} else
+			val = 0;
+		if (!do_rc_ack(qp, aeth, psn, opcode, val, rcd) ||
+		    opcode != OP(RDMA_READ_RESPONSE_FIRST))
+			goto ack_done;
+		hdrsize += 4;
+		wqe = get_swqe_ptr(qp, qp->s_acked);
+		if (unlikely(wqe->wr.opcode != IB_WR_RDMA_READ))
+			goto ack_op_err;
+		/*
+		 * If this is a response to a resent RDMA read, we
+		 * have to be careful to copy the data to the right
+		 * location.
+		 */
+		qp->s_rdma_read_len = restart_sge(&qp->s_rdma_read_sge,
+						  wqe, psn, pmtu);
+		goto read_middle;
+
+	case OP(RDMA_READ_RESPONSE_MIDDLE):
+		/* no AETH, no ACK */
+		if (unlikely(qib_cmp24(psn, qp->s_last_psn + 1)))
+			goto ack_seq_err;
+		if (unlikely(wqe->wr.opcode != IB_WR_RDMA_READ))
+			goto ack_op_err;
+read_middle:
+		if (unlikely(tlen != (hdrsize + pmtu + 4)))
+			goto ack_len_err;
+		if (unlikely(pmtu >= qp->s_rdma_read_len))
+			goto ack_len_err;
+
+		/*
+		 * We got a response so update the timeout.
+		 * 4.096 usec. * (1 << qp->timeout)
+		 */
+		qp->s_flags |= QIB_S_TIMER;
+		mod_timer(&qp->s_timer, jiffies +
+			usecs_to_jiffies((4096UL * (1UL << qp->timeout)) /
+					 1000UL));
+		if (qp->s_flags & QIB_S_WAIT_ACK) {
+			qp->s_flags &= ~QIB_S_WAIT_ACK;
+			qib_schedule_send(qp);
+		}
+
+		if (opcode == OP(RDMA_READ_RESPONSE_MIDDLE))
+			qp->s_retry = qp->s_retry_cnt;
+
+		/*
+		 * Update the RDMA receive state but do the copy w/o
+		 * holding the locks and blocking interrupts.
+		 */
+		qp->s_rdma_read_len -= pmtu;
+		update_last_psn(qp, psn);
+		spin_unlock_irqrestore(&qp->s_lock, flags);
+		qib_copy_sge(&qp->s_rdma_read_sge, data, pmtu, 0);
+		goto bail;
+
+	case OP(RDMA_READ_RESPONSE_ONLY):
+		aeth = be32_to_cpu(ohdr->u.aeth);
+		if (!do_rc_ack(qp, aeth, psn, opcode, 0, rcd))
+			goto ack_done;
+		/* Get the number of bytes the message was padded by. */
+		pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
+		/*
+		 * Check that the data size is >= 0 && <= pmtu.
+		 * Remember to account for the AETH header (4) and
+		 * ICRC (4).
+		 */
+		if (unlikely(tlen < (hdrsize + pad + 8)))
+			goto ack_len_err;
+		/*
+		 * If this is a response to a resent RDMA read, we
+		 * have to be careful to copy the data to the right
+		 * location.
+		 */
+		wqe = get_swqe_ptr(qp, qp->s_acked);
+		qp->s_rdma_read_len = restart_sge(&qp->s_rdma_read_sge,
+						  wqe, psn, pmtu);
+		goto read_last;
+
+	case OP(RDMA_READ_RESPONSE_LAST):
+		/* ACKs READ req. */
+		if (unlikely(qib_cmp24(psn, qp->s_last_psn + 1)))
+			goto ack_seq_err;
+		if (unlikely(wqe->wr.opcode != IB_WR_RDMA_READ))
+			goto ack_op_err;
+		/* Get the number of bytes the message was padded by. */
+		pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
+		/*
+		 * Check that the data size is >= 1 && <= pmtu.
+		 * Remember to account for the AETH header (4) and
+		 * ICRC (4).
+		 */
+		if (unlikely(tlen <= (hdrsize + pad + 8)))
+			goto ack_len_err;
+read_last:
+		tlen -= hdrsize + pad + 8;
+		if (unlikely(tlen != qp->s_rdma_read_len))
+			goto ack_len_err;
+		aeth = be32_to_cpu(ohdr->u.aeth);
+		qib_copy_sge(&qp->s_rdma_read_sge, data, tlen, 0);
+		WARN_ON(qp->s_rdma_read_sge.num_sge);
+		(void) do_rc_ack(qp, aeth, psn,
+				 OP(RDMA_READ_RESPONSE_LAST), 0, rcd);
+		goto ack_done;
+	}
+
+ack_op_err:
+	status = IB_WC_LOC_QP_OP_ERR;
+	goto ack_err;
+
+ack_seq_err:
+	rdma_seq_err(qp, ibp, psn, rcd);
+	goto ack_done;
+
+ack_len_err:
+	status = IB_WC_LOC_LEN_ERR;
+ack_err:
+	if (qp->s_last == qp->s_acked) {
+		qib_send_complete(qp, wqe, status);
+		qib_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+	}
+ack_done:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+bail:
+	return;
+}
+
+/**
+ * qib_rc_rcv_error - process an incoming duplicate or error RC packet
+ * @ohdr: the other headers for this packet
+ * @data: the packet data
+ * @qp: the QP for this packet
+ * @opcode: the opcode for this packet
+ * @psn: the packet sequence number for this packet
+ * @diff: the difference between the PSN and the expected PSN
+ *
+ * This is called from qib_rc_rcv() to process an unexpected
+ * incoming RC packet for the given QP.
+ * Called at interrupt level.
+ * Return 1 if no more processing is needed; otherwise return 0 to
+ * schedule a response to be sent.
+ */
+static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
+			    void *data,
+			    struct qib_qp *qp,
+			    u32 opcode,
+			    u32 psn,
+			    int diff,
+			    struct qib_ctxtdata *rcd)
+{
+	struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
+	struct qib_ack_entry *e;
+	unsigned long flags;
+	u8 i, prev;
+	int old_req;
+
+	if (diff > 0) {
+		/*
+		 * Packet sequence error.
+		 * A NAK will ACK earlier sends and RDMA writes.
+		 * Don't queue the NAK if we already sent one.
+		 */
+		if (!qp->r_nak_state) {
+			ibp->n_rc_seqnak++;
+			qp->r_nak_state = IB_NAK_PSN_ERROR;
+			/* Use the expected PSN. */
+			qp->r_ack_psn = qp->r_psn;
+			/*
+			 * Wait to send the sequence NAK until all packets
+			 * in the receive queue have been processed.
+			 * Otherwise, we end up propagating congestion.
+			 */
+			if (list_empty(&qp->rspwait)) {
+				qp->r_flags |= QIB_R_RSP_NAK;
+				atomic_inc(&qp->refcount);
+				list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
+			}
+		}
+		goto done;
+	}
+
+	/*
+	 * Handle a duplicate request.  Don't re-execute SEND, RDMA
+	 * write or atomic op.  Don't NAK errors, just silently drop
+	 * the duplicate request.  Note that r_sge, r_len, and
+	 * r_rcv_len may be in use so don't modify them.
+	 *
+	 * We are supposed to ACK the earliest duplicate PSN but we
+	 * can coalesce an outstanding duplicate ACK.  We have to
+	 * send the earliest so that RDMA reads can be restarted at
+	 * the requester's expected PSN.
+	 *
+	 * First, find where this duplicate PSN falls within the
+	 * ACKs previously sent.
+	 * old_req is true if there is an older response that is scheduled
+	 * to be sent before sending this one.
+	 */
+	e = NULL;
+	old_req = 1;
+	ibp->n_rc_dupreq++;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+	/* Double check we can process this now that we hold the s_lock. */
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+		goto unlock_done;
+
+	for (i = qp->r_head_ack_queue; ; i = prev) {
+		if (i == qp->s_tail_ack_queue)
+			old_req = 0;
+		if (i)
+			prev = i - 1;
+		else
+			prev = QIB_MAX_RDMA_ATOMIC;
+		if (prev == qp->r_head_ack_queue) {
+			e = NULL;
+			break;
+		}
+		e = &qp->s_ack_queue[prev];
+		if (!e->opcode) {
+			e = NULL;
+			break;
+		}
+		if (qib_cmp24(psn, e->psn) >= 0) {
+			if (prev == qp->s_tail_ack_queue &&
+			    qib_cmp24(psn, e->lpsn) <= 0)
+				old_req = 0;
+			break;
+		}
+	}
+	switch (opcode) {
+	case OP(RDMA_READ_REQUEST): {
+		struct ib_reth *reth;
+		u32 offset;
+		u32 len;
+
+		/*
+		 * If we didn't find the RDMA read request in the ack queue,
+		 * we can ignore this request.
+		 */
+		if (!e || e->opcode != OP(RDMA_READ_REQUEST))
+			goto unlock_done;
+		/* RETH comes after BTH */
+		reth = &ohdr->u.rc.reth;
+		/*
+		 * Address range must be a subset of the original
+		 * request and start on pmtu boundaries.
+		 * We reuse the old ack_queue slot since the requester
+		 * should not back up and request an earlier PSN for the
+		 * same request.
+		 */
+		offset = ((psn - e->psn) & QIB_PSN_MASK) *
+			ib_mtu_enum_to_int(qp->path_mtu);
+		len = be32_to_cpu(reth->length);
+		if (unlikely(offset + len != e->rdma_sge.sge_length))
+			goto unlock_done;
+		if (e->rdma_sge.mr) {
+			atomic_dec(&e->rdma_sge.mr->refcount);
+			e->rdma_sge.mr = NULL;
+		}
+		if (len != 0) {
+			u32 rkey = be32_to_cpu(reth->rkey);
+			u64 vaddr = be64_to_cpu(reth->vaddr);
+			int ok;
+
+			ok = qib_rkey_ok(qp, &e->rdma_sge, len, vaddr, rkey,
+					 IB_ACCESS_REMOTE_READ);
+			if (unlikely(!ok))
+				goto unlock_done;
+		} else {
+			e->rdma_sge.vaddr = NULL;
+			e->rdma_sge.length = 0;
+			e->rdma_sge.sge_length = 0;
+		}
+		e->psn = psn;
+		if (old_req)
+			goto unlock_done;
+		qp->s_tail_ack_queue = prev;
+		break;
+	}
+
+	case OP(COMPARE_SWAP):
+	case OP(FETCH_ADD): {
+		/*
+		 * If we didn't find the atomic request in the ack queue
+		 * or the send tasklet is already backed up to send an
+		 * earlier entry, we can ignore this request.
+		 */
+		if (!e || e->opcode != (u8) opcode || old_req)
+			goto unlock_done;
+		qp->s_tail_ack_queue = prev;
+		break;
+	}
+
+	default:
+		/*
+		 * Ignore this operation if it doesn't request an ACK
+		 * or an earlier RDMA read or atomic is going to be resent.
+		 */
+		if (!(psn & IB_BTH_REQ_ACK) || old_req)
+			goto unlock_done;
+		/*
+		 * Resend the most recent ACK if this request is
+		 * after all the previous RDMA reads and atomics.
+		 */
+		if (i == qp->r_head_ack_queue) {
+			spin_unlock_irqrestore(&qp->s_lock, flags);
+			qp->r_nak_state = 0;
+			qp->r_ack_psn = qp->r_psn - 1;
+			goto send_ack;
+		}
+		/*
+		 * Try to send a simple ACK to work around a Mellanox bug
+		 * which doesn't accept a RDMA read response or atomic
+		 * response as an ACK for earlier SENDs or RDMA writes.
+		 */
+		if (!(qp->s_flags & QIB_S_RESP_PENDING)) {
+			spin_unlock_irqrestore(&qp->s_lock, flags);
+			qp->r_nak_state = 0;
+			qp->r_ack_psn = qp->s_ack_queue[i].psn - 1;
+			goto send_ack;
+		}
+		/*
+		 * Resend the RDMA read or atomic op which
+		 * ACKs this duplicate request.
+		 */
+		qp->s_tail_ack_queue = i;
+		break;
+	}
+	qp->s_ack_state = OP(ACKNOWLEDGE);
+	qp->s_flags |= QIB_S_RESP_PENDING;
+	qp->r_nak_state = 0;
+	qib_schedule_send(qp);
+
+unlock_done:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+done:
+	return 1;
+
+send_ack:
+	return 0;
+}
+
+void qib_rc_error(struct qib_qp *qp, enum ib_wc_status err)
+{
+	unsigned long flags;
+	int lastwqe;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+	lastwqe = qib_error_qp(qp, err);
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+
+	if (lastwqe) {
+		struct ib_event ev;
+
+		ev.device = qp->ibqp.device;
+		ev.element.qp = &qp->ibqp;
+		ev.event = IB_EVENT_QP_LAST_WQE_REACHED;
+		qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+	}
+}
+
+static inline void qib_update_ack_queue(struct qib_qp *qp, unsigned n)
+{
+	unsigned next;
+
+	next = n + 1;
+	if (next > QIB_MAX_RDMA_ATOMIC)
+		next = 0;
+	qp->s_tail_ack_queue = next;
+	qp->s_ack_state = OP(ACKNOWLEDGE);
+}
+
+/**
+ * qib_rc_rcv - process an incoming RC packet
+ * @rcd: the context pointer
+ * @hdr: the header of this packet
+ * @has_grh: true if the header has a GRH
+ * @data: the packet data
+ * @tlen: the packet length
+ * @qp: the QP for this packet
+ *
+ * This is called from qib_qp_rcv() to process an incoming RC packet
+ * for the given QP.
+ * Called at interrupt level.
+ */
+void qib_rc_rcv(struct qib_ctxtdata *rcd, struct qib_ib_header *hdr,
+		int has_grh, void *data, u32 tlen, struct qib_qp *qp)
+{
+	struct qib_ibport *ibp = &rcd->ppd->ibport_data;
+	struct qib_other_headers *ohdr;
+	u32 opcode;
+	u32 hdrsize;
+	u32 psn;
+	u32 pad;
+	struct ib_wc wc;
+	u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
+	int diff;
+	struct ib_reth *reth;
+	unsigned long flags;
+	int ret;
+
+	/* Check for GRH */
+	if (!has_grh) {
+		ohdr = &hdr->u.oth;
+		hdrsize = 8 + 12;       /* LRH + BTH */
+	} else {
+		ohdr = &hdr->u.l.oth;
+		hdrsize = 8 + 40 + 12;  /* LRH + GRH + BTH */
+	}
+
+	opcode = be32_to_cpu(ohdr->bth[0]);
+	spin_lock_irqsave(&qp->s_lock, flags);
+	if (qib_ruc_check_hdr(ibp, hdr, has_grh, qp, opcode))
+		goto sunlock;
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+
+	psn = be32_to_cpu(ohdr->bth[2]);
+	opcode >>= 24;
+
+	/* Prevent simultaneous processing after APM on different CPUs */
+	spin_lock(&qp->r_lock);
+
+	/*
+	 * Process responses (ACKs) before anything else.  Note that the
+	 * packet sequence number will be for something in the send work
+	 * queue rather than the expected receive packet sequence number.
+	 * In other words, this QP is the requester.
+	 */
+	if (opcode >= OP(RDMA_READ_RESPONSE_FIRST) &&
+	    opcode <= OP(ATOMIC_ACKNOWLEDGE)) {
+		qib_rc_rcv_resp(ibp, ohdr, data, tlen, qp, opcode, psn,
+				hdrsize, pmtu, rcd);
+		goto runlock;
+	}
+
+	/* Compute 24 bits worth of difference. */
+	diff = qib_cmp24(psn, qp->r_psn);
+	if (unlikely(diff)) {
+		if (qib_rc_rcv_error(ohdr, data, qp, opcode, psn, diff, rcd))
+			goto runlock;
+		goto send_ack;
+	}
+
+	/* Check for opcode sequence errors. */
+	switch (qp->r_state) {
+	case OP(SEND_FIRST):
+	case OP(SEND_MIDDLE):
+		if (opcode == OP(SEND_MIDDLE) ||
+		    opcode == OP(SEND_LAST) ||
+		    opcode == OP(SEND_LAST_WITH_IMMEDIATE))
+			break;
+		goto nack_inv;
+
+	case OP(RDMA_WRITE_FIRST):
+	case OP(RDMA_WRITE_MIDDLE):
+		if (opcode == OP(RDMA_WRITE_MIDDLE) ||
+		    opcode == OP(RDMA_WRITE_LAST) ||
+		    opcode == OP(RDMA_WRITE_LAST_WITH_IMMEDIATE))
+			break;
+		goto nack_inv;
+
+	default:
+		if (opcode == OP(SEND_MIDDLE) ||
+		    opcode == OP(SEND_LAST) ||
+		    opcode == OP(SEND_LAST_WITH_IMMEDIATE) ||
+		    opcode == OP(RDMA_WRITE_MIDDLE) ||
+		    opcode == OP(RDMA_WRITE_LAST) ||
+		    opcode == OP(RDMA_WRITE_LAST_WITH_IMMEDIATE))
+			goto nack_inv;
+		/*
+		 * Note that it is up to the requester to not send a new
+		 * RDMA read or atomic operation before receiving an ACK
+		 * for the previous operation.
+		 */
+		break;
+	}
+
+	memset(&wc, 0, sizeof wc);
+
+	if (qp->state == IB_QPS_RTR && !(qp->r_flags & QIB_R_COMM_EST)) {
+		qp->r_flags |= QIB_R_COMM_EST;
+		if (qp->ibqp.event_handler) {
+			struct ib_event ev;
+
+			ev.device = qp->ibqp.device;
+			ev.element.qp = &qp->ibqp;
+			ev.event = IB_EVENT_COMM_EST;
+			qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+		}
+	}
+
+	/* OK, process the packet. */
+	switch (opcode) {
+	case OP(SEND_FIRST):
+		ret = qib_get_rwqe(qp, 0);
+		if (ret < 0)
+			goto nack_op_err;
+		if (!ret)
+			goto rnr_nak;
+		qp->r_rcv_len = 0;
+		/* FALLTHROUGH */
+	case OP(SEND_MIDDLE):
+	case OP(RDMA_WRITE_MIDDLE):
+send_middle:
+		/* Check for invalid length PMTU or posted rwqe len. */
+		if (unlikely(tlen != (hdrsize + pmtu + 4)))
+			goto nack_inv;
+		qp->r_rcv_len += pmtu;
+		if (unlikely(qp->r_rcv_len > qp->r_len))
+			goto nack_inv;
+		qib_copy_sge(&qp->r_sge, data, pmtu, 1);
+		break;
+
+	case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE):
+		/* consume RWQE */
+		ret = qib_get_rwqe(qp, 1);
+		if (ret < 0)
+			goto nack_op_err;
+		if (!ret)
+			goto rnr_nak;
+		goto send_last_imm;
+
+	case OP(SEND_ONLY):
+	case OP(SEND_ONLY_WITH_IMMEDIATE):
+		ret = qib_get_rwqe(qp, 0);
+		if (ret < 0)
+			goto nack_op_err;
+		if (!ret)
+			goto rnr_nak;
+		qp->r_rcv_len = 0;
+		if (opcode == OP(SEND_ONLY))
+			goto send_last;
+		/* FALLTHROUGH */
+	case OP(SEND_LAST_WITH_IMMEDIATE):
+send_last_imm:
+		wc.ex.imm_data = ohdr->u.imm_data;
+		hdrsize += 4;
+		wc.wc_flags = IB_WC_WITH_IMM;
+		/* FALLTHROUGH */
+	case OP(SEND_LAST):
+	case OP(RDMA_WRITE_LAST):
+send_last:
+		/* Get the number of bytes the message was padded by. */
+		pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
+		/* Check for invalid length. */
+		/* XXX LAST len should be >= 1 */
+		if (unlikely(tlen < (hdrsize + pad + 4)))
+			goto nack_inv;
+		/* Don't count the CRC. */
+		tlen -= (hdrsize + pad + 4);
+		wc.byte_len = tlen + qp->r_rcv_len;
+		if (unlikely(wc.byte_len > qp->r_len))
+			goto nack_inv;
+		qib_copy_sge(&qp->r_sge, data, tlen, 1);
+		while (qp->r_sge.num_sge) {
+			atomic_dec(&qp->r_sge.sge.mr->refcount);
+			if (--qp->r_sge.num_sge)
+				qp->r_sge.sge = *qp->r_sge.sg_list++;
+		}
+		qp->r_msn++;
+		if (!test_and_clear_bit(QIB_R_WRID_VALID, &qp->r_aflags))
+			break;
+		wc.wr_id = qp->r_wr_id;
+		wc.status = IB_WC_SUCCESS;
+		if (opcode == OP(RDMA_WRITE_LAST_WITH_IMMEDIATE) ||
+		    opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE))
+			wc.opcode = IB_WC_RECV_RDMA_WITH_IMM;
+		else
+			wc.opcode = IB_WC_RECV;
+		wc.qp = &qp->ibqp;
+		wc.src_qp = qp->remote_qpn;
+		wc.slid = qp->remote_ah_attr.dlid;
+		wc.sl = qp->remote_ah_attr.sl;
+		/* Signal completion event if the solicited bit is set. */
+		qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
+			     (ohdr->bth[0] &
+			      cpu_to_be32(IB_BTH_SOLICITED)) != 0);
+		break;
+
+	case OP(RDMA_WRITE_FIRST):
+	case OP(RDMA_WRITE_ONLY):
+	case OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE):
+		if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE)))
+			goto nack_inv;
+		/* consume RWQE */
+		reth = &ohdr->u.rc.reth;
+		hdrsize += sizeof(*reth);
+		qp->r_len = be32_to_cpu(reth->length);
+		qp->r_rcv_len = 0;
+		qp->r_sge.sg_list = NULL;
+		if (qp->r_len != 0) {
+			u32 rkey = be32_to_cpu(reth->rkey);
+			u64 vaddr = be64_to_cpu(reth->vaddr);
+			int ok;
+
+			/* Check rkey & NAK */
+			ok = qib_rkey_ok(qp, &qp->r_sge.sge, qp->r_len, vaddr,
+					 rkey, IB_ACCESS_REMOTE_WRITE);
+			if (unlikely(!ok))
+				goto nack_acc;
+			qp->r_sge.num_sge = 1;
+		} else {
+			qp->r_sge.num_sge = 0;
+			qp->r_sge.sge.mr = NULL;
+			qp->r_sge.sge.vaddr = NULL;
+			qp->r_sge.sge.length = 0;
+			qp->r_sge.sge.sge_length = 0;
+		}
+		if (opcode == OP(RDMA_WRITE_FIRST))
+			goto send_middle;
+		else if (opcode == OP(RDMA_WRITE_ONLY))
+			goto send_last;
+		ret = qib_get_rwqe(qp, 1);
+		if (ret < 0)
+			goto nack_op_err;
+		if (!ret)
+			goto rnr_nak;
+		goto send_last_imm;
+
+	case OP(RDMA_READ_REQUEST): {
+		struct qib_ack_entry *e;
+		u32 len;
+		u8 next;
+
+		if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_READ)))
+			goto nack_inv;
+		next = qp->r_head_ack_queue + 1;
+		/* s_ack_queue is size QIB_MAX_RDMA_ATOMIC+1 so use > not >= */
+		if (next > QIB_MAX_RDMA_ATOMIC)
+			next = 0;
+		spin_lock_irqsave(&qp->s_lock, flags);
+		/* Double check we can process this while holding the s_lock. */
+		if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+			goto srunlock;
+		if (unlikely(next == qp->s_tail_ack_queue)) {
+			if (!qp->s_ack_queue[next].sent)
+				goto nack_inv_unlck;
+			qib_update_ack_queue(qp, next);
+		}
+		e = &qp->s_ack_queue[qp->r_head_ack_queue];
+		if (e->opcode == OP(RDMA_READ_REQUEST) && e->rdma_sge.mr) {
+			atomic_dec(&e->rdma_sge.mr->refcount);
+			e->rdma_sge.mr = NULL;
+		}
+		reth = &ohdr->u.rc.reth;
+		len = be32_to_cpu(reth->length);
+		if (len) {
+			u32 rkey = be32_to_cpu(reth->rkey);
+			u64 vaddr = be64_to_cpu(reth->vaddr);
+			int ok;
+
+			/* Check rkey & NAK */
+			ok = qib_rkey_ok(qp, &e->rdma_sge, len, vaddr,
+					 rkey, IB_ACCESS_REMOTE_READ);
+			if (unlikely(!ok))
+				goto nack_acc_unlck;
+			/*
+			 * Update the next expected PSN.  We add 1 later
+			 * below, so only add the remainder here.
+			 */
+			if (len > pmtu)
+				qp->r_psn += (len - 1) / pmtu;
+		} else {
+			e->rdma_sge.mr = NULL;
+			e->rdma_sge.vaddr = NULL;
+			e->rdma_sge.length = 0;
+			e->rdma_sge.sge_length = 0;
+		}
+		e->opcode = opcode;
+		e->sent = 0;
+		e->psn = psn;
+		e->lpsn = qp->r_psn;
+		/*
+		 * We need to increment the MSN here instead of when we
+		 * finish sending the result since a duplicate request would
+		 * increment it more than once.
+		 */
+		qp->r_msn++;
+		qp->r_psn++;
+		qp->r_state = opcode;
+		qp->r_nak_state = 0;
+		qp->r_head_ack_queue = next;
+
+		/* Schedule the send tasklet. */
+		qp->s_flags |= QIB_S_RESP_PENDING;
+		qib_schedule_send(qp);
+
+		goto srunlock;
+	}
+
+	case OP(COMPARE_SWAP):
+	case OP(FETCH_ADD): {
+		struct ib_atomic_eth *ateth;
+		struct qib_ack_entry *e;
+		u64 vaddr;
+		atomic64_t *maddr;
+		u64 sdata;
+		u32 rkey;
+		u8 next;
+
+		if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC)))
+			goto nack_inv;
+		next = qp->r_head_ack_queue + 1;
+		if (next > QIB_MAX_RDMA_ATOMIC)
+			next = 0;
+		spin_lock_irqsave(&qp->s_lock, flags);
+		/* Double check we can process this while holding the s_lock. */
+		if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+			goto srunlock;
+		if (unlikely(next == qp->s_tail_ack_queue)) {
+			if (!qp->s_ack_queue[next].sent)
+				goto nack_inv_unlck;
+			qib_update_ack_queue(qp, next);
+		}
+		e = &qp->s_ack_queue[qp->r_head_ack_queue];
+		if (e->opcode == OP(RDMA_READ_REQUEST) && e->rdma_sge.mr) {
+			atomic_dec(&e->rdma_sge.mr->refcount);
+			e->rdma_sge.mr = NULL;
+		}
+		ateth = &ohdr->u.atomic_eth;
+		vaddr = ((u64) be32_to_cpu(ateth->vaddr[0]) << 32) |
+			be32_to_cpu(ateth->vaddr[1]);
+		if (unlikely(vaddr & (sizeof(u64) - 1)))
+			goto nack_inv_unlck;
+		rkey = be32_to_cpu(ateth->rkey);
+		/* Check rkey & NAK */
+		if (unlikely(!qib_rkey_ok(qp, &qp->r_sge.sge, sizeof(u64),
+					  vaddr, rkey,
+					  IB_ACCESS_REMOTE_ATOMIC)))
+			goto nack_acc_unlck;
+		/* Perform atomic OP and save result. */
+		maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
+		sdata = be64_to_cpu(ateth->swap_data);
+		e->atomic_data = (opcode == OP(FETCH_ADD)) ?
+			(u64) atomic64_add_return(sdata, maddr) - sdata :
+			(u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
+				      be64_to_cpu(ateth->compare_data),
+				      sdata);
+		atomic_dec(&qp->r_sge.sge.mr->refcount);
+		qp->r_sge.num_sge = 0;
+		e->opcode = opcode;
+		e->sent = 0;
+		e->psn = psn;
+		e->lpsn = psn;
+		qp->r_msn++;
+		qp->r_psn++;
+		qp->r_state = opcode;
+		qp->r_nak_state = 0;
+		qp->r_head_ack_queue = next;
+
+		/* Schedule the send tasklet. */
+		qp->s_flags |= QIB_S_RESP_PENDING;
+		qib_schedule_send(qp);
+
+		goto srunlock;
+	}
+
+	default:
+		/* NAK unknown opcodes. */
+		goto nack_inv;
+	}
+	qp->r_psn++;
+	qp->r_state = opcode;
+	qp->r_ack_psn = psn;
+	qp->r_nak_state = 0;
+	/* Send an ACK if requested or required. */
+	if (psn & (1 << 31))
+		goto send_ack;
+	goto runlock;
+
+rnr_nak:
+	qp->r_nak_state = IB_RNR_NAK | qp->r_min_rnr_timer;
+	qp->r_ack_psn = qp->r_psn;
+	/* Queue RNR NAK for later */
+	if (list_empty(&qp->rspwait)) {
+		qp->r_flags |= QIB_R_RSP_NAK;
+		atomic_inc(&qp->refcount);
+		list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
+	}
+	goto runlock;
+
+nack_op_err:
+	qib_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
+	qp->r_nak_state = IB_NAK_REMOTE_OPERATIONAL_ERROR;
+	qp->r_ack_psn = qp->r_psn;
+	/* Queue NAK for later */
+	if (list_empty(&qp->rspwait)) {
+		qp->r_flags |= QIB_R_RSP_NAK;
+		atomic_inc(&qp->refcount);
+		list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
+	}
+	goto runlock;
+
+nack_inv_unlck:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+nack_inv:
+	qib_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
+	qp->r_nak_state = IB_NAK_INVALID_REQUEST;
+	qp->r_ack_psn = qp->r_psn;
+	/* Queue NAK for later */
+	if (list_empty(&qp->rspwait)) {
+		qp->r_flags |= QIB_R_RSP_NAK;
+		atomic_inc(&qp->refcount);
+		list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
+	}
+	goto runlock;
+
+nack_acc_unlck:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+nack_acc:
+	qib_rc_error(qp, IB_WC_LOC_PROT_ERR);
+	qp->r_nak_state = IB_NAK_REMOTE_ACCESS_ERROR;
+	qp->r_ack_psn = qp->r_psn;
+send_ack:
+	qib_send_rc_ack(qp);
+runlock:
+	spin_unlock(&qp->r_lock);
+	return;
+
+srunlock:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+	spin_unlock(&qp->r_lock);
+	return;
+
+sunlock:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+}
diff --git a/drivers/infiniband/hw/qib/qib_ruc.c b/drivers/infiniband/hw/qib/qib_ruc.c
new file mode 100644
index 00000000000..eb78d9367f0
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_ruc.c
@@ -0,0 +1,817 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/spinlock.h>
+
+#include "qib.h"
+#include "qib_mad.h"
+
+/*
+ * Convert the AETH RNR timeout code into the number of microseconds.
+ */
+const u32 ib_qib_rnr_table[32] = {
+	655360,	/* 00: 655.36 */
+	10,	/* 01:    .01 */
+	20,	/* 02     .02 */
+	30,	/* 03:    .03 */
+	40,	/* 04:    .04 */
+	60,	/* 05:    .06 */
+	80,	/* 06:    .08 */
+	120,	/* 07:    .12 */
+	160,	/* 08:    .16 */
+	240,	/* 09:    .24 */
+	320,	/* 0A:    .32 */
+	480,	/* 0B:    .48 */
+	640,	/* 0C:    .64 */
+	960,	/* 0D:    .96 */
+	1280,	/* 0E:   1.28 */
+	1920,	/* 0F:   1.92 */
+	2560,	/* 10:   2.56 */
+	3840,	/* 11:   3.84 */
+	5120,	/* 12:   5.12 */
+	7680,	/* 13:   7.68 */
+	10240,	/* 14:  10.24 */
+	15360,	/* 15:  15.36 */
+	20480,	/* 16:  20.48 */
+	30720,	/* 17:  30.72 */
+	40960,	/* 18:  40.96 */
+	61440,	/* 19:  61.44 */
+	81920,	/* 1A:  81.92 */
+	122880,	/* 1B: 122.88 */
+	163840,	/* 1C: 163.84 */
+	245760,	/* 1D: 245.76 */
+	327680,	/* 1E: 327.68 */
+	491520	/* 1F: 491.52 */
+};
+
+/*
+ * Validate a RWQE and fill in the SGE state.
+ * Return 1 if OK.
+ */
+static int qib_init_sge(struct qib_qp *qp, struct qib_rwqe *wqe)
+{
+	int i, j, ret;
+	struct ib_wc wc;
+	struct qib_lkey_table *rkt;
+	struct qib_pd *pd;
+	struct qib_sge_state *ss;
+
+	rkt = &to_idev(qp->ibqp.device)->lk_table;
+	pd = to_ipd(qp->ibqp.srq ? qp->ibqp.srq->pd : qp->ibqp.pd);
+	ss = &qp->r_sge;
+	ss->sg_list = qp->r_sg_list;
+	qp->r_len = 0;
+	for (i = j = 0; i < wqe->num_sge; i++) {
+		if (wqe->sg_list[i].length == 0)
+			continue;
+		/* Check LKEY */
+		if (!qib_lkey_ok(rkt, pd, j ? &ss->sg_list[j - 1] : &ss->sge,
+				 &wqe->sg_list[i], IB_ACCESS_LOCAL_WRITE))
+			goto bad_lkey;
+		qp->r_len += wqe->sg_list[i].length;
+		j++;
+	}
+	ss->num_sge = j;
+	ss->total_len = qp->r_len;
+	ret = 1;
+	goto bail;
+
+bad_lkey:
+	while (j) {
+		struct qib_sge *sge = --j ? &ss->sg_list[j - 1] : &ss->sge;
+
+		atomic_dec(&sge->mr->refcount);
+	}
+	ss->num_sge = 0;
+	memset(&wc, 0, sizeof(wc));
+	wc.wr_id = wqe->wr_id;
+	wc.status = IB_WC_LOC_PROT_ERR;
+	wc.opcode = IB_WC_RECV;
+	wc.qp = &qp->ibqp;
+	/* Signal solicited completion event. */
+	qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
+	ret = 0;
+bail:
+	return ret;
+}
+
+/**
+ * qib_get_rwqe - copy the next RWQE into the QP's RWQE
+ * @qp: the QP
+ * @wr_id_only: update qp->r_wr_id only, not qp->r_sge
+ *
+ * Return -1 if there is a local error, 0 if no RWQE is available,
+ * otherwise return 1.
+ *
+ * Can be called from interrupt level.
+ */
+int qib_get_rwqe(struct qib_qp *qp, int wr_id_only)
+{
+	unsigned long flags;
+	struct qib_rq *rq;
+	struct qib_rwq *wq;
+	struct qib_srq *srq;
+	struct qib_rwqe *wqe;
+	void (*handler)(struct ib_event *, void *);
+	u32 tail;
+	int ret;
+
+	if (qp->ibqp.srq) {
+		srq = to_isrq(qp->ibqp.srq);
+		handler = srq->ibsrq.event_handler;
+		rq = &srq->rq;
+	} else {
+		srq = NULL;
+		handler = NULL;
+		rq = &qp->r_rq;
+	}
+
+	spin_lock_irqsave(&rq->lock, flags);
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK)) {
+		ret = 0;
+		goto unlock;
+	}
+
+	wq = rq->wq;
+	tail = wq->tail;
+	/* Validate tail before using it since it is user writable. */
+	if (tail >= rq->size)
+		tail = 0;
+	if (unlikely(tail == wq->head)) {
+		ret = 0;
+		goto unlock;
+	}
+	/* Make sure entry is read after head index is read. */
+	smp_rmb();
+	wqe = get_rwqe_ptr(rq, tail);
+	/*
+	 * Even though we update the tail index in memory, the verbs
+	 * consumer is not supposed to post more entries until a
+	 * completion is generated.
+	 */
+	if (++tail >= rq->size)
+		tail = 0;
+	wq->tail = tail;
+	if (!wr_id_only && !qib_init_sge(qp, wqe)) {
+		ret = -1;
+		goto unlock;
+	}
+	qp->r_wr_id = wqe->wr_id;
+
+	ret = 1;
+	set_bit(QIB_R_WRID_VALID, &qp->r_aflags);
+	if (handler) {
+		u32 n;
+
+		/*
+		 * Validate head pointer value and compute
+		 * the number of remaining WQEs.
+		 */
+		n = wq->head;
+		if (n >= rq->size)
+			n = 0;
+		if (n < tail)
+			n += rq->size - tail;
+		else
+			n -= tail;
+		if (n < srq->limit) {
+			struct ib_event ev;
+
+			srq->limit = 0;
+			spin_unlock_irqrestore(&rq->lock, flags);
+			ev.device = qp->ibqp.device;
+			ev.element.srq = qp->ibqp.srq;
+			ev.event = IB_EVENT_SRQ_LIMIT_REACHED;
+			handler(&ev, srq->ibsrq.srq_context);
+			goto bail;
+		}
+	}
+unlock:
+	spin_unlock_irqrestore(&rq->lock, flags);
+bail:
+	return ret;
+}
+
+/*
+ * Switch to alternate path.
+ * The QP s_lock should be held and interrupts disabled.
+ */
+void qib_migrate_qp(struct qib_qp *qp)
+{
+	struct ib_event ev;
+
+	qp->s_mig_state = IB_MIG_MIGRATED;
+	qp->remote_ah_attr = qp->alt_ah_attr;
+	qp->port_num = qp->alt_ah_attr.port_num;
+	qp->s_pkey_index = qp->s_alt_pkey_index;
+
+	ev.device = qp->ibqp.device;
+	ev.element.qp = &qp->ibqp;
+	ev.event = IB_EVENT_PATH_MIG;
+	qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+}
+
+static __be64 get_sguid(struct qib_ibport *ibp, unsigned index)
+{
+	if (!index) {
+		struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+
+		return ppd->guid;
+	} else
+		return ibp->guids[index - 1];
+}
+
+static int gid_ok(union ib_gid *gid, __be64 gid_prefix, __be64 id)
+{
+	return (gid->global.interface_id == id &&
+		(gid->global.subnet_prefix == gid_prefix ||
+		 gid->global.subnet_prefix == IB_DEFAULT_GID_PREFIX));
+}
+
+/*
+ *
+ * This should be called with the QP s_lock held.
+ */
+int qib_ruc_check_hdr(struct qib_ibport *ibp, struct qib_ib_header *hdr,
+		      int has_grh, struct qib_qp *qp, u32 bth0)
+{
+	__be64 guid;
+
+	if (qp->s_mig_state == IB_MIG_ARMED && (bth0 & IB_BTH_MIG_REQ)) {
+		if (!has_grh) {
+			if (qp->alt_ah_attr.ah_flags & IB_AH_GRH)
+				goto err;
+		} else {
+			if (!(qp->alt_ah_attr.ah_flags & IB_AH_GRH))
+				goto err;
+			guid = get_sguid(ibp, qp->alt_ah_attr.grh.sgid_index);
+			if (!gid_ok(&hdr->u.l.grh.dgid, ibp->gid_prefix, guid))
+				goto err;
+			if (!gid_ok(&hdr->u.l.grh.sgid,
+			    qp->alt_ah_attr.grh.dgid.global.subnet_prefix,
+			    qp->alt_ah_attr.grh.dgid.global.interface_id))
+				goto err;
+		}
+		if (!qib_pkey_ok((u16)bth0,
+				 qib_get_pkey(ibp, qp->s_alt_pkey_index))) {
+			qib_bad_pqkey(ibp, IB_NOTICE_TRAP_BAD_PKEY,
+				      (u16)bth0,
+				      (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF,
+				      0, qp->ibqp.qp_num,
+				      hdr->lrh[3], hdr->lrh[1]);
+			goto err;
+		}
+		/* Validate the SLID. See Ch. 9.6.1.5 and 17.2.8 */
+		if (be16_to_cpu(hdr->lrh[3]) != qp->alt_ah_attr.dlid ||
+		    ppd_from_ibp(ibp)->port != qp->alt_ah_attr.port_num)
+			goto err;
+		qib_migrate_qp(qp);
+	} else {
+		if (!has_grh) {
+			if (qp->remote_ah_attr.ah_flags & IB_AH_GRH)
+				goto err;
+		} else {
+			if (!(qp->remote_ah_attr.ah_flags & IB_AH_GRH))
+				goto err;
+			guid = get_sguid(ibp,
+					 qp->remote_ah_attr.grh.sgid_index);
+			if (!gid_ok(&hdr->u.l.grh.dgid, ibp->gid_prefix, guid))
+				goto err;
+			if (!gid_ok(&hdr->u.l.grh.sgid,
+			    qp->remote_ah_attr.grh.dgid.global.subnet_prefix,
+			    qp->remote_ah_attr.grh.dgid.global.interface_id))
+				goto err;
+		}
+		if (!qib_pkey_ok((u16)bth0,
+				 qib_get_pkey(ibp, qp->s_pkey_index))) {
+			qib_bad_pqkey(ibp, IB_NOTICE_TRAP_BAD_PKEY,
+				      (u16)bth0,
+				      (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF,
+				      0, qp->ibqp.qp_num,
+				      hdr->lrh[3], hdr->lrh[1]);
+			goto err;
+		}
+		/* Validate the SLID. See Ch. 9.6.1.5 */
+		if (be16_to_cpu(hdr->lrh[3]) != qp->remote_ah_attr.dlid ||
+		    ppd_from_ibp(ibp)->port != qp->port_num)
+			goto err;
+		if (qp->s_mig_state == IB_MIG_REARM &&
+		    !(bth0 & IB_BTH_MIG_REQ))
+			qp->s_mig_state = IB_MIG_ARMED;
+	}
+
+	return 0;
+
+err:
+	return 1;
+}
+
+/**
+ * qib_ruc_loopback - handle UC and RC lookback requests
+ * @sqp: the sending QP
+ *
+ * This is called from qib_do_send() to
+ * forward a WQE addressed to the same HCA.
+ * Note that although we are single threaded due to the tasklet, we still
+ * have to protect against post_send().  We don't have to worry about
+ * receive interrupts since this is a connected protocol and all packets
+ * will pass through here.
+ */
+static void qib_ruc_loopback(struct qib_qp *sqp)
+{
+	struct qib_ibport *ibp = to_iport(sqp->ibqp.device, sqp->port_num);
+	struct qib_qp *qp;
+	struct qib_swqe *wqe;
+	struct qib_sge *sge;
+	unsigned long flags;
+	struct ib_wc wc;
+	u64 sdata;
+	atomic64_t *maddr;
+	enum ib_wc_status send_status;
+	int release;
+	int ret;
+
+	/*
+	 * Note that we check the responder QP state after
+	 * checking the requester's state.
+	 */
+	qp = qib_lookup_qpn(ibp, sqp->remote_qpn);
+
+	spin_lock_irqsave(&sqp->s_lock, flags);
+
+	/* Return if we are already busy processing a work request. */
+	if ((sqp->s_flags & (QIB_S_BUSY | QIB_S_ANY_WAIT)) ||
+	    !(ib_qib_state_ops[sqp->state] & QIB_PROCESS_OR_FLUSH_SEND))
+		goto unlock;
+
+	sqp->s_flags |= QIB_S_BUSY;
+
+again:
+	if (sqp->s_last == sqp->s_head)
+		goto clr_busy;
+	wqe = get_swqe_ptr(sqp, sqp->s_last);
+
+	/* Return if it is not OK to start a new work reqeust. */
+	if (!(ib_qib_state_ops[sqp->state] & QIB_PROCESS_NEXT_SEND_OK)) {
+		if (!(ib_qib_state_ops[sqp->state] & QIB_FLUSH_SEND))
+			goto clr_busy;
+		/* We are in the error state, flush the work request. */
+		send_status = IB_WC_WR_FLUSH_ERR;
+		goto flush_send;
+	}
+
+	/*
+	 * We can rely on the entry not changing without the s_lock
+	 * being held until we update s_last.
+	 * We increment s_cur to indicate s_last is in progress.
+	 */
+	if (sqp->s_last == sqp->s_cur) {
+		if (++sqp->s_cur >= sqp->s_size)
+			sqp->s_cur = 0;
+	}
+	spin_unlock_irqrestore(&sqp->s_lock, flags);
+
+	if (!qp || !(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK) ||
+	    qp->ibqp.qp_type != sqp->ibqp.qp_type) {
+		ibp->n_pkt_drops++;
+		/*
+		 * For RC, the requester would timeout and retry so
+		 * shortcut the timeouts and just signal too many retries.
+		 */
+		if (sqp->ibqp.qp_type == IB_QPT_RC)
+			send_status = IB_WC_RETRY_EXC_ERR;
+		else
+			send_status = IB_WC_SUCCESS;
+		goto serr;
+	}
+
+	memset(&wc, 0, sizeof wc);
+	send_status = IB_WC_SUCCESS;
+
+	release = 1;
+	sqp->s_sge.sge = wqe->sg_list[0];
+	sqp->s_sge.sg_list = wqe->sg_list + 1;
+	sqp->s_sge.num_sge = wqe->wr.num_sge;
+	sqp->s_len = wqe->length;
+	switch (wqe->wr.opcode) {
+	case IB_WR_SEND_WITH_IMM:
+		wc.wc_flags = IB_WC_WITH_IMM;
+		wc.ex.imm_data = wqe->wr.ex.imm_data;
+		/* FALLTHROUGH */
+	case IB_WR_SEND:
+		ret = qib_get_rwqe(qp, 0);
+		if (ret < 0)
+			goto op_err;
+		if (!ret)
+			goto rnr_nak;
+		break;
+
+	case IB_WR_RDMA_WRITE_WITH_IMM:
+		if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE)))
+			goto inv_err;
+		wc.wc_flags = IB_WC_WITH_IMM;
+		wc.ex.imm_data = wqe->wr.ex.imm_data;
+		ret = qib_get_rwqe(qp, 1);
+		if (ret < 0)
+			goto op_err;
+		if (!ret)
+			goto rnr_nak;
+		/* FALLTHROUGH */
+	case IB_WR_RDMA_WRITE:
+		if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE)))
+			goto inv_err;
+		if (wqe->length == 0)
+			break;
+		if (unlikely(!qib_rkey_ok(qp, &qp->r_sge.sge, wqe->length,
+					  wqe->wr.wr.rdma.remote_addr,
+					  wqe->wr.wr.rdma.rkey,
+					  IB_ACCESS_REMOTE_WRITE)))
+			goto acc_err;
+		qp->r_sge.sg_list = NULL;
+		qp->r_sge.num_sge = 1;
+		qp->r_sge.total_len = wqe->length;
+		break;
+
+	case IB_WR_RDMA_READ:
+		if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_READ)))
+			goto inv_err;
+		if (unlikely(!qib_rkey_ok(qp, &sqp->s_sge.sge, wqe->length,
+					  wqe->wr.wr.rdma.remote_addr,
+					  wqe->wr.wr.rdma.rkey,
+					  IB_ACCESS_REMOTE_READ)))
+			goto acc_err;
+		release = 0;
+		sqp->s_sge.sg_list = NULL;
+		sqp->s_sge.num_sge = 1;
+		qp->r_sge.sge = wqe->sg_list[0];
+		qp->r_sge.sg_list = wqe->sg_list + 1;
+		qp->r_sge.num_sge = wqe->wr.num_sge;
+		qp->r_sge.total_len = wqe->length;
+		break;
+
+	case IB_WR_ATOMIC_CMP_AND_SWP:
+	case IB_WR_ATOMIC_FETCH_AND_ADD:
+		if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC)))
+			goto inv_err;
+		if (unlikely(!qib_rkey_ok(qp, &qp->r_sge.sge, sizeof(u64),
+					  wqe->wr.wr.atomic.remote_addr,
+					  wqe->wr.wr.atomic.rkey,
+					  IB_ACCESS_REMOTE_ATOMIC)))
+			goto acc_err;
+		/* Perform atomic OP and save result. */
+		maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
+		sdata = wqe->wr.wr.atomic.compare_add;
+		*(u64 *) sqp->s_sge.sge.vaddr =
+			(wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) ?
+			(u64) atomic64_add_return(sdata, maddr) - sdata :
+			(u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
+				      sdata, wqe->wr.wr.atomic.swap);
+		atomic_dec(&qp->r_sge.sge.mr->refcount);
+		qp->r_sge.num_sge = 0;
+		goto send_comp;
+
+	default:
+		send_status = IB_WC_LOC_QP_OP_ERR;
+		goto serr;
+	}
+
+	sge = &sqp->s_sge.sge;
+	while (sqp->s_len) {
+		u32 len = sqp->s_len;
+
+		if (len > sge->length)
+			len = sge->length;
+		if (len > sge->sge_length)
+			len = sge->sge_length;
+		BUG_ON(len == 0);
+		qib_copy_sge(&qp->r_sge, sge->vaddr, len, release);
+		sge->vaddr += len;
+		sge->length -= len;
+		sge->sge_length -= len;
+		if (sge->sge_length == 0) {
+			if (!release)
+				atomic_dec(&sge->mr->refcount);
+			if (--sqp->s_sge.num_sge)
+				*sge = *sqp->s_sge.sg_list++;
+		} else if (sge->length == 0 && sge->mr->lkey) {
+			if (++sge->n >= QIB_SEGSZ) {
+				if (++sge->m >= sge->mr->mapsz)
+					break;
+				sge->n = 0;
+			}
+			sge->vaddr =
+				sge->mr->map[sge->m]->segs[sge->n].vaddr;
+			sge->length =
+				sge->mr->map[sge->m]->segs[sge->n].length;
+		}
+		sqp->s_len -= len;
+	}
+	if (release)
+		while (qp->r_sge.num_sge) {
+			atomic_dec(&qp->r_sge.sge.mr->refcount);
+			if (--qp->r_sge.num_sge)
+				qp->r_sge.sge = *qp->r_sge.sg_list++;
+		}
+
+	if (!test_and_clear_bit(QIB_R_WRID_VALID, &qp->r_aflags))
+		goto send_comp;
+
+	if (wqe->wr.opcode == IB_WR_RDMA_WRITE_WITH_IMM)
+		wc.opcode = IB_WC_RECV_RDMA_WITH_IMM;
+	else
+		wc.opcode = IB_WC_RECV;
+	wc.wr_id = qp->r_wr_id;
+	wc.status = IB_WC_SUCCESS;
+	wc.byte_len = wqe->length;
+	wc.qp = &qp->ibqp;
+	wc.src_qp = qp->remote_qpn;
+	wc.slid = qp->remote_ah_attr.dlid;
+	wc.sl = qp->remote_ah_attr.sl;
+	wc.port_num = 1;
+	/* Signal completion event if the solicited bit is set. */
+	qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
+		       wqe->wr.send_flags & IB_SEND_SOLICITED);
+
+send_comp:
+	spin_lock_irqsave(&sqp->s_lock, flags);
+	ibp->n_loop_pkts++;
+flush_send:
+	sqp->s_rnr_retry = sqp->s_rnr_retry_cnt;
+	qib_send_complete(sqp, wqe, send_status);
+	goto again;
+
+rnr_nak:
+	/* Handle RNR NAK */
+	if (qp->ibqp.qp_type == IB_QPT_UC)
+		goto send_comp;
+	ibp->n_rnr_naks++;
+	/*
+	 * Note: we don't need the s_lock held since the BUSY flag
+	 * makes this single threaded.
+	 */
+	if (sqp->s_rnr_retry == 0) {
+		send_status = IB_WC_RNR_RETRY_EXC_ERR;
+		goto serr;
+	}
+	if (sqp->s_rnr_retry_cnt < 7)
+		sqp->s_rnr_retry--;
+	spin_lock_irqsave(&sqp->s_lock, flags);
+	if (!(ib_qib_state_ops[sqp->state] & QIB_PROCESS_RECV_OK))
+		goto clr_busy;
+	sqp->s_flags |= QIB_S_WAIT_RNR;
+	sqp->s_timer.function = qib_rc_rnr_retry;
+	sqp->s_timer.expires = jiffies +
+		usecs_to_jiffies(ib_qib_rnr_table[qp->r_min_rnr_timer]);
+	add_timer(&sqp->s_timer);
+	goto clr_busy;
+
+op_err:
+	send_status = IB_WC_REM_OP_ERR;
+	wc.status = IB_WC_LOC_QP_OP_ERR;
+	goto err;
+
+inv_err:
+	send_status = IB_WC_REM_INV_REQ_ERR;
+	wc.status = IB_WC_LOC_QP_OP_ERR;
+	goto err;
+
+acc_err:
+	send_status = IB_WC_REM_ACCESS_ERR;
+	wc.status = IB_WC_LOC_PROT_ERR;
+err:
+	/* responder goes to error state */
+	qib_rc_error(qp, wc.status);
+
+serr:
+	spin_lock_irqsave(&sqp->s_lock, flags);
+	qib_send_complete(sqp, wqe, send_status);
+	if (sqp->ibqp.qp_type == IB_QPT_RC) {
+		int lastwqe = qib_error_qp(sqp, IB_WC_WR_FLUSH_ERR);
+
+		sqp->s_flags &= ~QIB_S_BUSY;
+		spin_unlock_irqrestore(&sqp->s_lock, flags);
+		if (lastwqe) {
+			struct ib_event ev;
+
+			ev.device = sqp->ibqp.device;
+			ev.element.qp = &sqp->ibqp;
+			ev.event = IB_EVENT_QP_LAST_WQE_REACHED;
+			sqp->ibqp.event_handler(&ev, sqp->ibqp.qp_context);
+		}
+		goto done;
+	}
+clr_busy:
+	sqp->s_flags &= ~QIB_S_BUSY;
+unlock:
+	spin_unlock_irqrestore(&sqp->s_lock, flags);
+done:
+	if (qp && atomic_dec_and_test(&qp->refcount))
+		wake_up(&qp->wait);
+}
+
+/**
+ * qib_make_grh - construct a GRH header
+ * @ibp: a pointer to the IB port
+ * @hdr: a pointer to the GRH header being constructed
+ * @grh: the global route address to send to
+ * @hwords: the number of 32 bit words of header being sent
+ * @nwords: the number of 32 bit words of data being sent
+ *
+ * Return the size of the header in 32 bit words.
+ */
+u32 qib_make_grh(struct qib_ibport *ibp, struct ib_grh *hdr,
+		 struct ib_global_route *grh, u32 hwords, u32 nwords)
+{
+	hdr->version_tclass_flow =
+		cpu_to_be32((IB_GRH_VERSION << IB_GRH_VERSION_SHIFT) |
+			    (grh->traffic_class << IB_GRH_TCLASS_SHIFT) |
+			    (grh->flow_label << IB_GRH_FLOW_SHIFT));
+	hdr->paylen = cpu_to_be16((hwords - 2 + nwords + SIZE_OF_CRC) << 2);
+	/* next_hdr is defined by C8-7 in ch. 8.4.1 */
+	hdr->next_hdr = IB_GRH_NEXT_HDR;
+	hdr->hop_limit = grh->hop_limit;
+	/* The SGID is 32-bit aligned. */
+	hdr->sgid.global.subnet_prefix = ibp->gid_prefix;
+	hdr->sgid.global.interface_id = grh->sgid_index ?
+		ibp->guids[grh->sgid_index - 1] : ppd_from_ibp(ibp)->guid;
+	hdr->dgid = grh->dgid;
+
+	/* GRH header size in 32-bit words. */
+	return sizeof(struct ib_grh) / sizeof(u32);
+}
+
+void qib_make_ruc_header(struct qib_qp *qp, struct qib_other_headers *ohdr,
+			 u32 bth0, u32 bth2)
+{
+	struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
+	u16 lrh0;
+	u32 nwords;
+	u32 extra_bytes;
+
+	/* Construct the header. */
+	extra_bytes = -qp->s_cur_size & 3;
+	nwords = (qp->s_cur_size + extra_bytes) >> 2;
+	lrh0 = QIB_LRH_BTH;
+	if (unlikely(qp->remote_ah_attr.ah_flags & IB_AH_GRH)) {
+		qp->s_hdrwords += qib_make_grh(ibp, &qp->s_hdr.u.l.grh,
+					       &qp->remote_ah_attr.grh,
+					       qp->s_hdrwords, nwords);
+		lrh0 = QIB_LRH_GRH;
+	}
+	lrh0 |= ibp->sl_to_vl[qp->remote_ah_attr.sl] << 12 |
+		qp->remote_ah_attr.sl << 4;
+	qp->s_hdr.lrh[0] = cpu_to_be16(lrh0);
+	qp->s_hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
+	qp->s_hdr.lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords + SIZE_OF_CRC);
+	qp->s_hdr.lrh[3] = cpu_to_be16(ppd_from_ibp(ibp)->lid |
+				       qp->remote_ah_attr.src_path_bits);
+	bth0 |= qib_get_pkey(ibp, qp->s_pkey_index);
+	bth0 |= extra_bytes << 20;
+	if (qp->s_mig_state == IB_MIG_MIGRATED)
+		bth0 |= IB_BTH_MIG_REQ;
+	ohdr->bth[0] = cpu_to_be32(bth0);
+	ohdr->bth[1] = cpu_to_be32(qp->remote_qpn);
+	ohdr->bth[2] = cpu_to_be32(bth2);
+}
+
+/**
+ * qib_do_send - perform a send on a QP
+ * @work: contains a pointer to the QP
+ *
+ * Process entries in the send work queue until credit or queue is
+ * exhausted.  Only allow one CPU to send a packet per QP (tasklet).
+ * Otherwise, two threads could send packets out of order.
+ */
+void qib_do_send(struct work_struct *work)
+{
+	struct qib_qp *qp = container_of(work, struct qib_qp, s_work);
+	struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	int (*make_req)(struct qib_qp *qp);
+	unsigned long flags;
+
+	if ((qp->ibqp.qp_type == IB_QPT_RC ||
+	     qp->ibqp.qp_type == IB_QPT_UC) &&
+	    (qp->remote_ah_attr.dlid & ~((1 << ppd->lmc) - 1)) == ppd->lid) {
+		qib_ruc_loopback(qp);
+		return;
+	}
+
+	if (qp->ibqp.qp_type == IB_QPT_RC)
+		make_req = qib_make_rc_req;
+	else if (qp->ibqp.qp_type == IB_QPT_UC)
+		make_req = qib_make_uc_req;
+	else
+		make_req = qib_make_ud_req;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+
+	/* Return if we are already busy processing a work request. */
+	if (!qib_send_ok(qp)) {
+		spin_unlock_irqrestore(&qp->s_lock, flags);
+		return;
+	}
+
+	qp->s_flags |= QIB_S_BUSY;
+
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+
+	do {
+		/* Check for a constructed packet to be sent. */
+		if (qp->s_hdrwords != 0) {
+			/*
+			 * If the packet cannot be sent now, return and
+			 * the send tasklet will be woken up later.
+			 */
+			if (qib_verbs_send(qp, &qp->s_hdr, qp->s_hdrwords,
+					   qp->s_cur_sge, qp->s_cur_size))
+				break;
+			/* Record that s_hdr is empty. */
+			qp->s_hdrwords = 0;
+		}
+	} while (make_req(qp));
+}
+
+/*
+ * This should be called with s_lock held.
+ */
+void qib_send_complete(struct qib_qp *qp, struct qib_swqe *wqe,
+		       enum ib_wc_status status)
+{
+	u32 old_last, last;
+	unsigned i;
+
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_OR_FLUSH_SEND))
+		return;
+
+	for (i = 0; i < wqe->wr.num_sge; i++) {
+		struct qib_sge *sge = &wqe->sg_list[i];
+
+		atomic_dec(&sge->mr->refcount);
+	}
+	if (qp->ibqp.qp_type == IB_QPT_UD ||
+	    qp->ibqp.qp_type == IB_QPT_SMI ||
+	    qp->ibqp.qp_type == IB_QPT_GSI)
+		atomic_dec(&to_iah(wqe->wr.wr.ud.ah)->refcount);
+
+	/* See ch. 11.2.4.1 and 10.7.3.1 */
+	if (!(qp->s_flags & QIB_S_SIGNAL_REQ_WR) ||
+	    (wqe->wr.send_flags & IB_SEND_SIGNALED) ||
+	    status != IB_WC_SUCCESS) {
+		struct ib_wc wc;
+
+		memset(&wc, 0, sizeof wc);
+		wc.wr_id = wqe->wr.wr_id;
+		wc.status = status;
+		wc.opcode = ib_qib_wc_opcode[wqe->wr.opcode];
+		wc.qp = &qp->ibqp;
+		if (status == IB_WC_SUCCESS)
+			wc.byte_len = wqe->length;
+		qib_cq_enter(to_icq(qp->ibqp.send_cq), &wc,
+			     status != IB_WC_SUCCESS);
+	}
+
+	last = qp->s_last;
+	old_last = last;
+	if (++last >= qp->s_size)
+		last = 0;
+	qp->s_last = last;
+	if (qp->s_acked == old_last)
+		qp->s_acked = last;
+	if (qp->s_cur == old_last)
+		qp->s_cur = last;
+	if (qp->s_tail == old_last)
+		qp->s_tail = last;
+	if (qp->state == IB_QPS_SQD && last == qp->s_cur)
+		qp->s_draining = 0;
+}
diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c
new file mode 100644
index 00000000000..0aeed0e74cb
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_sd7220.c
@@ -0,0 +1,1413 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+/*
+ * This file contains all of the code that is specific to the SerDes
+ * on the QLogic_IB 7220 chip.
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "qib.h"
+#include "qib_7220.h"
+
+/*
+ * Same as in qib_iba7220.c, but just the registers needed here.
+ * Could move whole set to qib_7220.h, but decided better to keep
+ * local.
+ */
+#define KREG_IDX(regname) (QIB_7220_##regname##_OFFS / sizeof(u64))
+#define kr_hwerrclear KREG_IDX(HwErrClear)
+#define kr_hwerrmask KREG_IDX(HwErrMask)
+#define kr_hwerrstatus KREG_IDX(HwErrStatus)
+#define kr_ibcstatus KREG_IDX(IBCStatus)
+#define kr_ibserdesctrl KREG_IDX(IBSerDesCtrl)
+#define kr_scratch KREG_IDX(Scratch)
+#define kr_xgxs_cfg KREG_IDX(XGXSCfg)
+/* these are used only here, not in qib_iba7220.c */
+#define kr_ibsd_epb_access_ctrl KREG_IDX(ibsd_epb_access_ctrl)
+#define kr_ibsd_epb_transaction_reg KREG_IDX(ibsd_epb_transaction_reg)
+#define kr_pciesd_epb_transaction_reg KREG_IDX(pciesd_epb_transaction_reg)
+#define kr_pciesd_epb_access_ctrl KREG_IDX(pciesd_epb_access_ctrl)
+#define kr_serdes_ddsrxeq0 KREG_IDX(SerDes_DDSRXEQ0)
+
+/*
+ * The IBSerDesMappTable is a memory that holds values to be stored in
+ * various SerDes registers by IBC.
+ */
+#define kr_serdes_maptable KREG_IDX(IBSerDesMappTable)
+
+/*
+ * Below used for sdnum parameter, selecting one of the two sections
+ * used for PCIe, or the single SerDes used for IB.
+ */
+#define PCIE_SERDES0 0
+#define PCIE_SERDES1 1
+
+/*
+ * The EPB requires addressing in a particular form. EPB_LOC() is intended
+ * to make #definitions a little more readable.
+ */
+#define EPB_ADDR_SHF 8
+#define EPB_LOC(chn, elt, reg) \
+	(((elt & 0xf) | ((chn & 7) << 4) | ((reg & 0x3f) << 9)) << \
+	 EPB_ADDR_SHF)
+#define EPB_IB_QUAD0_CS_SHF (25)
+#define EPB_IB_QUAD0_CS (1U <<  EPB_IB_QUAD0_CS_SHF)
+#define EPB_IB_UC_CS_SHF (26)
+#define EPB_PCIE_UC_CS_SHF (27)
+#define EPB_GLOBAL_WR (1U << (EPB_ADDR_SHF + 8))
+
+/* Forward declarations. */
+static int qib_sd7220_reg_mod(struct qib_devdata *dd, int sdnum, u32 loc,
+			      u32 data, u32 mask);
+static int ibsd_mod_allchnls(struct qib_devdata *dd, int loc, int val,
+			     int mask);
+static int qib_sd_trimdone_poll(struct qib_devdata *dd);
+static void qib_sd_trimdone_monitor(struct qib_devdata *dd, const char *where);
+static int qib_sd_setvals(struct qib_devdata *dd);
+static int qib_sd_early(struct qib_devdata *dd);
+static int qib_sd_dactrim(struct qib_devdata *dd);
+static int qib_internal_presets(struct qib_devdata *dd);
+/* Tweak the register (CMUCTRL5) that contains the TRIMSELF controls */
+static int qib_sd_trimself(struct qib_devdata *dd, int val);
+static int epb_access(struct qib_devdata *dd, int sdnum, int claim);
+
+/*
+ * Below keeps track of whether the "once per power-on" initialization has
+ * been done, because uC code Version 1.32.17 or higher allows the uC to
+ * be reset at will, and Automatic Equalization may require it. So the
+ * state of the reset "pin", is no longer valid. Instead, we check for the
+ * actual uC code having been loaded.
+ */
+static int qib_ibsd_ucode_loaded(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	if (!dd->cspec->serdes_first_init_done && (qib_sd7220_ib_vfy(dd) > 0))
+		dd->cspec->serdes_first_init_done = 1;
+	return dd->cspec->serdes_first_init_done;
+}
+
+/* repeat #define for local use. "Real" #define is in qib_iba7220.c */
+#define QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR      0x0000004000000000ULL
+#define IB_MPREG5 (EPB_LOC(6, 0, 0xE) | (1L << EPB_IB_UC_CS_SHF))
+#define IB_MPREG6 (EPB_LOC(6, 0, 0xF) | (1U << EPB_IB_UC_CS_SHF))
+#define UC_PAR_CLR_D 8
+#define UC_PAR_CLR_M 0xC
+#define IB_CTRL2(chn) (EPB_LOC(chn, 7, 3) | EPB_IB_QUAD0_CS)
+#define START_EQ1(chan) EPB_LOC(chan, 7, 0x27)
+
+void qib_sd7220_clr_ibpar(struct qib_devdata *dd)
+{
+	int ret;
+
+	/* clear, then re-enable parity errs */
+	ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6,
+		UC_PAR_CLR_D, UC_PAR_CLR_M);
+	if (ret < 0) {
+		qib_dev_err(dd, "Failed clearing IBSerDes Parity err\n");
+		goto bail;
+	}
+	ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0,
+		UC_PAR_CLR_M);
+
+	qib_read_kreg32(dd, kr_scratch);
+	udelay(4);
+	qib_write_kreg(dd, kr_hwerrclear,
+		QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR);
+	qib_read_kreg32(dd, kr_scratch);
+bail:
+	return;
+}
+
+/*
+ * After a reset or other unusual event, the epb interface may need
+ * to be re-synchronized, between the host and the uC.
+ * returns <0 for failure to resync within IBSD_RESYNC_TRIES (not expected)
+ */
+#define IBSD_RESYNC_TRIES 3
+#define IB_PGUDP(chn) (EPB_LOC((chn), 2, 1) | EPB_IB_QUAD0_CS)
+#define IB_CMUDONE(chn) (EPB_LOC((chn), 7, 0xF) | EPB_IB_QUAD0_CS)
+
+static int qib_resync_ibepb(struct qib_devdata *dd)
+{
+	int ret, pat, tries, chn;
+	u32 loc;
+
+	ret = -1;
+	chn = 0;
+	for (tries = 0; tries < (4 * IBSD_RESYNC_TRIES); ++tries) {
+		loc = IB_PGUDP(chn);
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
+		if (ret < 0) {
+			qib_dev_err(dd, "Failed read in resync\n");
+			continue;
+		}
+		if (ret != 0xF0 && ret != 0x55 && tries == 0)
+			qib_dev_err(dd, "unexpected pattern in resync\n");
+		pat = ret ^ 0xA5; /* alternate F0 and 55 */
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, loc, pat, 0xFF);
+		if (ret < 0) {
+			qib_dev_err(dd, "Failed write in resync\n");
+			continue;
+		}
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
+		if (ret < 0) {
+			qib_dev_err(dd, "Failed re-read in resync\n");
+			continue;
+		}
+		if (ret != pat) {
+			qib_dev_err(dd, "Failed compare1 in resync\n");
+			continue;
+		}
+		loc = IB_CMUDONE(chn);
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
+		if (ret < 0) {
+			qib_dev_err(dd, "Failed CMUDONE rd in resync\n");
+			continue;
+		}
+		if ((ret & 0x70) != ((chn << 4) | 0x40)) {
+			qib_dev_err(dd, "Bad CMUDONE value %02X, chn %d\n",
+				    ret, chn);
+			continue;
+		}
+		if (++chn == 4)
+			break;  /* Success */
+	}
+	return (ret > 0) ? 0 : ret;
+}
+
+/*
+ * Localize the stuff that should be done to change IB uC reset
+ * returns <0 for errors.
+ */
+static int qib_ibsd_reset(struct qib_devdata *dd, int assert_rst)
+{
+	u64 rst_val;
+	int ret = 0;
+	unsigned long flags;
+
+	rst_val = qib_read_kreg64(dd, kr_ibserdesctrl);
+	if (assert_rst) {
+		/*
+		 * Vendor recommends "interrupting" uC before reset, to
+		 * minimize possible glitches.
+		 */
+		spin_lock_irqsave(&dd->cspec->sdepb_lock, flags);
+		epb_access(dd, IB_7220_SERDES, 1);
+		rst_val |= 1ULL;
+		/* Squelch possible parity error from _asserting_ reset */
+		qib_write_kreg(dd, kr_hwerrmask,
+			       dd->cspec->hwerrmask &
+			       ~QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR);
+		qib_write_kreg(dd, kr_ibserdesctrl, rst_val);
+		/* flush write, delay to ensure it took effect */
+		qib_read_kreg32(dd, kr_scratch);
+		udelay(2);
+		/* once it's reset, can remove interrupt */
+		epb_access(dd, IB_7220_SERDES, -1);
+		spin_unlock_irqrestore(&dd->cspec->sdepb_lock, flags);
+	} else {
+		/*
+		 * Before we de-assert reset, we need to deal with
+		 * possible glitch on the Parity-error line.
+		 * Suppress it around the reset, both in chip-level
+		 * hwerrmask and in IB uC control reg. uC will allow
+		 * it again during startup.
+		 */
+		u64 val;
+		rst_val &= ~(1ULL);
+		qib_write_kreg(dd, kr_hwerrmask,
+			       dd->cspec->hwerrmask &
+			       ~QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR);
+
+		ret = qib_resync_ibepb(dd);
+		if (ret < 0)
+			qib_dev_err(dd, "unable to re-sync IB EPB\n");
+
+		/* set uC control regs to suppress parity errs */
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG5, 1, 1);
+		if (ret < 0)
+			goto bail;
+		/* IB uC code past Version 1.32.17 allow suppression of wdog */
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0x80,
+			0x80);
+		if (ret < 0) {
+			qib_dev_err(dd, "Failed to set WDOG disable\n");
+			goto bail;
+		}
+		qib_write_kreg(dd, kr_ibserdesctrl, rst_val);
+		/* flush write, delay for startup */
+		qib_read_kreg32(dd, kr_scratch);
+		udelay(1);
+		/* clear, then re-enable parity errs */
+		qib_sd7220_clr_ibpar(dd);
+		val = qib_read_kreg64(dd, kr_hwerrstatus);
+		if (val & QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR) {
+			qib_dev_err(dd, "IBUC Parity still set after RST\n");
+			dd->cspec->hwerrmask &=
+				~QLOGIC_IB_HWE_IB_UC_MEMORYPARITYERR;
+		}
+		qib_write_kreg(dd, kr_hwerrmask,
+			dd->cspec->hwerrmask);
+	}
+
+bail:
+	return ret;
+}
+
+static void qib_sd_trimdone_monitor(struct qib_devdata *dd,
+       const char *where)
+{
+	int ret, chn, baduns;
+	u64 val;
+
+	if (!where)
+		where = "?";
+
+	/* give time for reset to settle out in EPB */
+	udelay(2);
+
+	ret = qib_resync_ibepb(dd);
+	if (ret < 0)
+		qib_dev_err(dd, "not able to re-sync IB EPB (%s)\n", where);
+
+	/* Do "sacrificial read" to get EPB in sane state after reset */
+	ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, IB_CTRL2(0), 0, 0);
+	if (ret < 0)
+		qib_dev_err(dd, "Failed TRIMDONE 1st read, (%s)\n", where);
+
+	/* Check/show "summary" Trim-done bit in IBCStatus */
+	val = qib_read_kreg64(dd, kr_ibcstatus);
+	if (!(val & (1ULL << 11)))
+		qib_dev_err(dd, "IBCS TRIMDONE clear (%s)\n", where);
+	/*
+	 * Do "dummy read/mod/wr" to get EPB in sane state after reset
+	 * The default value for MPREG6 is 0.
+	 */
+	udelay(2);
+
+	ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0x80, 0x80);
+	if (ret < 0)
+		qib_dev_err(dd, "Failed Dummy RMW, (%s)\n", where);
+	udelay(10);
+
+	baduns = 0;
+
+	for (chn = 3; chn >= 0; --chn) {
+		/* Read CTRL reg for each channel to check TRIMDONE */
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES,
+			IB_CTRL2(chn), 0, 0);
+		if (ret < 0)
+			qib_dev_err(dd, "Failed checking TRIMDONE, chn %d"
+				    " (%s)\n", chn, where);
+
+		if (!(ret & 0x10)) {
+			int probe;
+
+			baduns |= (1 << chn);
+			qib_dev_err(dd, "TRIMDONE cleared on chn %d (%02X)."
+				" (%s)\n", chn, ret, where);
+			probe = qib_sd7220_reg_mod(dd, IB_7220_SERDES,
+				IB_PGUDP(0), 0, 0);
+			qib_dev_err(dd, "probe is %d (%02X)\n",
+				probe, probe);
+			probe = qib_sd7220_reg_mod(dd, IB_7220_SERDES,
+				IB_CTRL2(chn), 0, 0);
+			qib_dev_err(dd, "re-read: %d (%02X)\n",
+				probe, probe);
+			ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES,
+				IB_CTRL2(chn), 0x10, 0x10);
+			if (ret < 0)
+				qib_dev_err(dd,
+					"Err on TRIMDONE rewrite1\n");
+		}
+	}
+	for (chn = 3; chn >= 0; --chn) {
+		/* Read CTRL reg for each channel to check TRIMDONE */
+		if (baduns & (1 << chn)) {
+			qib_dev_err(dd,
+				"Reseting TRIMDONE on chn %d (%s)\n",
+				chn, where);
+			ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES,
+				IB_CTRL2(chn), 0x10, 0x10);
+			if (ret < 0)
+				qib_dev_err(dd, "Failed re-setting "
+					"TRIMDONE, chn %d (%s)\n",
+					chn, where);
+		}
+	}
+}
+
+/*
+ * Below is portion of IBA7220-specific bringup_serdes() that actually
+ * deals with registers and memory within the SerDes itself.
+ * Post IB uC code version 1.32.17, was_reset being 1 is not really
+ * informative, so we double-check.
+ */
+int qib_sd7220_init(struct qib_devdata *dd)
+{
+	int ret = 1; /* default to failure */
+	int first_reset, was_reset;
+
+	/* SERDES MPU reset recorded in D0 */
+	was_reset = (qib_read_kreg64(dd, kr_ibserdesctrl) & 1);
+	if (!was_reset) {
+		/* entered with reset not asserted, we need to do it */
+		qib_ibsd_reset(dd, 1);
+		qib_sd_trimdone_monitor(dd, "Driver-reload");
+	}
+	/* Substitute our deduced value for was_reset */
+	ret = qib_ibsd_ucode_loaded(dd->pport);
+	if (ret < 0)
+		goto bail;
+
+	first_reset = !ret; /* First reset if IBSD uCode not yet loaded */
+	/*
+	 * Alter some regs per vendor latest doc, reset-defaults
+	 * are not right for IB.
+	 */
+	ret = qib_sd_early(dd);
+	if (ret < 0) {
+		qib_dev_err(dd, "Failed to set IB SERDES early defaults\n");
+		goto bail;
+	}
+	/*
+	 * Set DAC manual trim IB.
+	 * We only do this once after chip has been reset (usually
+	 * same as once per system boot).
+	 */
+	if (first_reset) {
+		ret = qib_sd_dactrim(dd);
+		if (ret < 0) {
+			qib_dev_err(dd, "Failed IB SERDES DAC trim\n");
+			goto bail;
+		}
+	}
+	/*
+	 * Set various registers (DDS and RXEQ) that will be
+	 * controlled by IBC (in 1.2 mode) to reasonable preset values
+	 * Calling the "internal" version avoids the "check for needed"
+	 * and "trimdone monitor" that might be counter-productive.
+	 */
+	ret = qib_internal_presets(dd);
+	if (ret < 0) {
+		qib_dev_err(dd, "Failed to set IB SERDES presets\n");
+		goto bail;
+	}
+	ret = qib_sd_trimself(dd, 0x80);
+	if (ret < 0) {
+		qib_dev_err(dd, "Failed to set IB SERDES TRIMSELF\n");
+		goto bail;
+	}
+
+	/* Load image, then try to verify */
+	ret = 0;        /* Assume success */
+	if (first_reset) {
+		int vfy;
+		int trim_done;
+
+		ret = qib_sd7220_ib_load(dd);
+		if (ret < 0) {
+			qib_dev_err(dd, "Failed to load IB SERDES image\n");
+			goto bail;
+		} else {
+			/* Loaded image, try to verify */
+			vfy = qib_sd7220_ib_vfy(dd);
+			if (vfy != ret) {
+				qib_dev_err(dd, "SERDES PRAM VFY failed\n");
+				goto bail;
+			} /* end if verified */
+		} /* end if loaded */
+
+		/*
+		 * Loaded and verified. Almost good...
+		 * hold "success" in ret
+		 */
+		ret = 0;
+		/*
+		 * Prev steps all worked, continue bringup
+		 * De-assert RESET to uC, only in first reset, to allow
+		 * trimming.
+		 *
+		 * Since our default setup sets START_EQ1 to
+		 * PRESET, we need to clear that for this very first run.
+		 */
+		ret = ibsd_mod_allchnls(dd, START_EQ1(0), 0, 0x38);
+		if (ret < 0) {
+			qib_dev_err(dd, "Failed clearing START_EQ1\n");
+			goto bail;
+		}
+
+		qib_ibsd_reset(dd, 0);
+		/*
+		 * If this is not the first reset, trimdone should be set
+		 * already. We may need to check about this.
+		 */
+		trim_done = qib_sd_trimdone_poll(dd);
+		/*
+		 * Whether or not trimdone succeeded, we need to put the
+		 * uC back into reset to avoid a possible fight with the
+		 * IBC state-machine.
+		 */
+		qib_ibsd_reset(dd, 1);
+
+		if (!trim_done) {
+			qib_dev_err(dd, "No TRIMDONE seen\n");
+			goto bail;
+		}
+		/*
+		 * DEBUG: check each time we reset if trimdone bits have
+		 * gotten cleared, and re-set them.
+		 */
+		qib_sd_trimdone_monitor(dd, "First-reset");
+		/* Remember so we do not re-do the load, dactrim, etc. */
+		dd->cspec->serdes_first_init_done = 1;
+	}
+	/*
+	 * setup for channel training and load values for
+	 * RxEq and DDS in tables used by IBC in IB1.2 mode
+	 */
+	ret = 0;
+	if (qib_sd_setvals(dd) >= 0)
+		goto done;
+bail:
+	ret = 1;
+done:
+	/* start relock timer regardless, but start at 1 second */
+	set_7220_relock_poll(dd, -1);
+	return ret;
+}
+
+#define EPB_ACC_REQ 1
+#define EPB_ACC_GNT 0x100
+#define EPB_DATA_MASK 0xFF
+#define EPB_RD (1ULL << 24)
+#define EPB_TRANS_RDY (1ULL << 31)
+#define EPB_TRANS_ERR (1ULL << 30)
+#define EPB_TRANS_TRIES 5
+
+/*
+ * query, claim, release ownership of the EPB (External Parallel Bus)
+ * for a specified SERDES.
+ * the "claim" parameter is >0 to claim, <0 to release, 0 to query.
+ * Returns <0 for errors, >0 if we had ownership, else 0.
+ */
+static int epb_access(struct qib_devdata *dd, int sdnum, int claim)
+{
+	u16 acc;
+	u64 accval;
+	int owned = 0;
+	u64 oct_sel = 0;
+
+	switch (sdnum) {
+	case IB_7220_SERDES:
+		/*
+		 * The IB SERDES "ownership" is fairly simple. A single each
+		 * request/grant.
+		 */
+		acc = kr_ibsd_epb_access_ctrl;
+		break;
+
+	case PCIE_SERDES0:
+	case PCIE_SERDES1:
+		/* PCIe SERDES has two "octants", need to select which */
+		acc = kr_pciesd_epb_access_ctrl;
+		oct_sel = (2 << (sdnum - PCIE_SERDES0));
+		break;
+
+	default:
+		return 0;
+	}
+
+	/* Make sure any outstanding transaction was seen */
+	qib_read_kreg32(dd, kr_scratch);
+	udelay(15);
+
+	accval = qib_read_kreg32(dd, acc);
+
+	owned = !!(accval & EPB_ACC_GNT);
+	if (claim < 0) {
+		/* Need to release */
+		u64 pollval;
+		/*
+		 * The only writeable bits are the request and CS.
+		 * Both should be clear
+		 */
+		u64 newval = 0;
+		qib_write_kreg(dd, acc, newval);
+		/* First read after write is not trustworthy */
+		pollval = qib_read_kreg32(dd, acc);
+		udelay(5);
+		pollval = qib_read_kreg32(dd, acc);
+		if (pollval & EPB_ACC_GNT)
+			owned = -1;
+	} else if (claim > 0) {
+		/* Need to claim */
+		u64 pollval;
+		u64 newval = EPB_ACC_REQ | oct_sel;
+		qib_write_kreg(dd, acc, newval);
+		/* First read after write is not trustworthy */
+		pollval = qib_read_kreg32(dd, acc);
+		udelay(5);
+		pollval = qib_read_kreg32(dd, acc);
+		if (!(pollval & EPB_ACC_GNT))
+			owned = -1;
+	}
+	return owned;
+}
+
+/*
+ * Lemma to deal with race condition of write..read to epb regs
+ */
+static int epb_trans(struct qib_devdata *dd, u16 reg, u64 i_val, u64 *o_vp)
+{
+	int tries;
+	u64 transval;
+
+	qib_write_kreg(dd, reg, i_val);
+	/* Throw away first read, as RDY bit may be stale */
+	transval = qib_read_kreg64(dd, reg);
+
+	for (tries = EPB_TRANS_TRIES; tries; --tries) {
+		transval = qib_read_kreg32(dd, reg);
+		if (transval & EPB_TRANS_RDY)
+			break;
+		udelay(5);
+	}
+	if (transval & EPB_TRANS_ERR)
+		return -1;
+	if (tries > 0 && o_vp)
+		*o_vp = transval;
+	return tries;
+}
+
+/**
+ * qib_sd7220_reg_mod - modify SERDES register
+ * @dd: the qlogic_ib device
+ * @sdnum: which SERDES to access
+ * @loc: location - channel, element, register, as packed by EPB_LOC() macro.
+ * @wd: Write Data - value to set in register
+ * @mask: ones where data should be spliced into reg.
+ *
+ * Basic register read/modify/write, with un-needed acesses elided. That is,
+ * a mask of zero will prevent write, while a mask of 0xFF will prevent read.
+ * returns current (presumed, if a write was done) contents of selected
+ * register, or <0 if errors.
+ */
+static int qib_sd7220_reg_mod(struct qib_devdata *dd, int sdnum, u32 loc,
+			      u32 wd, u32 mask)
+{
+	u16 trans;
+	u64 transval;
+	int owned;
+	int tries, ret;
+	unsigned long flags;
+
+	switch (sdnum) {
+	case IB_7220_SERDES:
+		trans = kr_ibsd_epb_transaction_reg;
+		break;
+
+	case PCIE_SERDES0:
+	case PCIE_SERDES1:
+		trans = kr_pciesd_epb_transaction_reg;
+		break;
+
+	default:
+		return -1;
+	}
+
+	/*
+	 * All access is locked in software (vs other host threads) and
+	 * hardware (vs uC access).
+	 */
+	spin_lock_irqsave(&dd->cspec->sdepb_lock, flags);
+
+	owned = epb_access(dd, sdnum, 1);
+	if (owned < 0) {
+		spin_unlock_irqrestore(&dd->cspec->sdepb_lock, flags);
+		return -1;
+	}
+	ret = 0;
+	for (tries = EPB_TRANS_TRIES; tries; --tries) {
+		transval = qib_read_kreg32(dd, trans);
+		if (transval & EPB_TRANS_RDY)
+			break;
+		udelay(5);
+	}
+
+	if (tries > 0) {
+		tries = 1;      /* to make read-skip work */
+		if (mask != 0xFF) {
+			/*
+			 * Not a pure write, so need to read.
+			 * loc encodes chip-select as well as address
+			 */
+			transval = loc | EPB_RD;
+			tries = epb_trans(dd, trans, transval, &transval);
+		}
+		if (tries > 0 && mask != 0) {
+			/*
+			 * Not a pure read, so need to write.
+			 */
+			wd = (wd & mask) | (transval & ~mask);
+			transval = loc | (wd & EPB_DATA_MASK);
+			tries = epb_trans(dd, trans, transval, &transval);
+		}
+	}
+	/* else, failed to see ready, what error-handling? */
+
+	/*
+	 * Release bus. Failure is an error.
+	 */
+	if (epb_access(dd, sdnum, -1) < 0)
+		ret = -1;
+	else
+		ret = transval & EPB_DATA_MASK;
+
+	spin_unlock_irqrestore(&dd->cspec->sdepb_lock, flags);
+	if (tries <= 0)
+		ret = -1;
+	return ret;
+}
+
+#define EPB_ROM_R (2)
+#define EPB_ROM_W (1)
+/*
+ * Below, all uC-related, use appropriate UC_CS, depending
+ * on which SerDes is used.
+ */
+#define EPB_UC_CTL EPB_LOC(6, 0, 0)
+#define EPB_MADDRL EPB_LOC(6, 0, 2)
+#define EPB_MADDRH EPB_LOC(6, 0, 3)
+#define EPB_ROMDATA EPB_LOC(6, 0, 4)
+#define EPB_RAMDATA EPB_LOC(6, 0, 5)
+
+/* Transfer date to/from uC Program RAM of IB or PCIe SerDes */
+static int qib_sd7220_ram_xfer(struct qib_devdata *dd, int sdnum, u32 loc,
+			       u8 *buf, int cnt, int rd_notwr)
+{
+	u16 trans;
+	u64 transval;
+	u64 csbit;
+	int owned;
+	int tries;
+	int sofar;
+	int addr;
+	int ret;
+	unsigned long flags;
+	const char *op;
+
+	/* Pick appropriate transaction reg and "Chip select" for this serdes */
+	switch (sdnum) {
+	case IB_7220_SERDES:
+		csbit = 1ULL << EPB_IB_UC_CS_SHF;
+		trans = kr_ibsd_epb_transaction_reg;
+		break;
+
+	case PCIE_SERDES0:
+	case PCIE_SERDES1:
+		/* PCIe SERDES has uC "chip select" in different bit, too */
+		csbit = 1ULL << EPB_PCIE_UC_CS_SHF;
+		trans = kr_pciesd_epb_transaction_reg;
+		break;
+
+	default:
+		return -1;
+	}
+
+	op = rd_notwr ? "Rd" : "Wr";
+	spin_lock_irqsave(&dd->cspec->sdepb_lock, flags);
+
+	owned = epb_access(dd, sdnum, 1);
+	if (owned < 0) {
+		spin_unlock_irqrestore(&dd->cspec->sdepb_lock, flags);
+		return -1;
+	}
+
+	/*
+	 * In future code, we may need to distinguish several address ranges,
+	 * and select various memories based on this. For now, just trim
+	 * "loc" (location including address and memory select) to
+	 * "addr" (address within memory). we will only support PRAM
+	 * The memory is 8KB.
+	 */
+	addr = loc & 0x1FFF;
+	for (tries = EPB_TRANS_TRIES; tries; --tries) {
+		transval = qib_read_kreg32(dd, trans);
+		if (transval & EPB_TRANS_RDY)
+			break;
+		udelay(5);
+	}
+
+	sofar = 0;
+	if (tries > 0) {
+		/*
+		 * Every "memory" access is doubly-indirect.
+		 * We set two bytes of address, then read/write
+		 * one or mores bytes of data.
+		 */
+
+		/* First, we set control to "Read" or "Write" */
+		transval = csbit | EPB_UC_CTL |
+			(rd_notwr ? EPB_ROM_R : EPB_ROM_W);
+		tries = epb_trans(dd, trans, transval, &transval);
+		while (tries > 0 && sofar < cnt) {
+			if (!sofar) {
+				/* Only set address at start of chunk */
+				int addrbyte = (addr + sofar) >> 8;
+				transval = csbit | EPB_MADDRH | addrbyte;
+				tries = epb_trans(dd, trans, transval,
+						  &transval);
+				if (tries <= 0)
+					break;
+				addrbyte = (addr + sofar) & 0xFF;
+				transval = csbit | EPB_MADDRL | addrbyte;
+				tries = epb_trans(dd, trans, transval,
+						 &transval);
+				if (tries <= 0)
+					break;
+			}
+
+			if (rd_notwr)
+				transval = csbit | EPB_ROMDATA | EPB_RD;
+			else
+				transval = csbit | EPB_ROMDATA | buf[sofar];
+			tries = epb_trans(dd, trans, transval, &transval);
+			if (tries <= 0)
+				break;
+			if (rd_notwr)
+				buf[sofar] = transval & EPB_DATA_MASK;
+			++sofar;
+		}
+		/* Finally, clear control-bit for Read or Write */
+		transval = csbit | EPB_UC_CTL;
+		tries = epb_trans(dd, trans, transval, &transval);
+	}
+
+	ret = sofar;
+	/* Release bus. Failure is an error */
+	if (epb_access(dd, sdnum, -1) < 0)
+		ret = -1;
+
+	spin_unlock_irqrestore(&dd->cspec->sdepb_lock, flags);
+	if (tries <= 0)
+		ret = -1;
+	return ret;
+}
+
+#define PROG_CHUNK 64
+
+int qib_sd7220_prog_ld(struct qib_devdata *dd, int sdnum,
+		       u8 *img, int len, int offset)
+{
+	int cnt, sofar, req;
+
+	sofar = 0;
+	while (sofar < len) {
+		req = len - sofar;
+		if (req > PROG_CHUNK)
+			req = PROG_CHUNK;
+		cnt = qib_sd7220_ram_xfer(dd, sdnum, offset + sofar,
+					  img + sofar, req, 0);
+		if (cnt < req) {
+			sofar = -1;
+			break;
+		}
+		sofar += req;
+	}
+	return sofar;
+}
+
+#define VFY_CHUNK 64
+#define SD_PRAM_ERROR_LIMIT 42
+
+int qib_sd7220_prog_vfy(struct qib_devdata *dd, int sdnum,
+			const u8 *img, int len, int offset)
+{
+	int cnt, sofar, req, idx, errors;
+	unsigned char readback[VFY_CHUNK];
+
+	errors = 0;
+	sofar = 0;
+	while (sofar < len) {
+		req = len - sofar;
+		if (req > VFY_CHUNK)
+			req = VFY_CHUNK;
+		cnt = qib_sd7220_ram_xfer(dd, sdnum, sofar + offset,
+					  readback, req, 1);
+		if (cnt < req) {
+			/* failed in read itself */
+			sofar = -1;
+			break;
+		}
+		for (idx = 0; idx < cnt; ++idx) {
+			if (readback[idx] != img[idx+sofar])
+				++errors;
+		}
+		sofar += cnt;
+	}
+	return errors ? -errors : sofar;
+}
+
+/*
+ * IRQ not set up at this point in init, so we poll.
+ */
+#define IB_SERDES_TRIM_DONE (1ULL << 11)
+#define TRIM_TMO (30)
+
+static int qib_sd_trimdone_poll(struct qib_devdata *dd)
+{
+	int trim_tmo, ret;
+	uint64_t val;
+
+	/*
+	 * Default to failure, so IBC will not start
+	 * without IB_SERDES_TRIM_DONE.
+	 */
+	ret = 0;
+	for (trim_tmo = 0; trim_tmo < TRIM_TMO; ++trim_tmo) {
+		val = qib_read_kreg64(dd, kr_ibcstatus);
+		if (val & IB_SERDES_TRIM_DONE) {
+			ret = 1;
+			break;
+		}
+		msleep(10);
+	}
+	if (trim_tmo >= TRIM_TMO) {
+		qib_dev_err(dd, "No TRIMDONE in %d tries\n", trim_tmo);
+		ret = 0;
+	}
+	return ret;
+}
+
+#define TX_FAST_ELT (9)
+
+/*
+ * Set the "negotiation" values for SERDES. These are used by the IB1.2
+ * link negotiation. Macros below are attempt to keep the values a
+ * little more human-editable.
+ * First, values related to Drive De-emphasis Settings.
+ */
+
+#define NUM_DDS_REGS 6
+#define DDS_REG_MAP 0x76A910 /* LSB-first list of regs (in elt 9) to mod */
+
+#define DDS_VAL(amp_d, main_d, ipst_d, ipre_d, amp_s, main_s, ipst_s, ipre_s) \
+	{ { ((amp_d & 0x1F) << 1) | 1, ((amp_s & 0x1F) << 1) | 1, \
+	  (main_d << 3) | 4 | (ipre_d >> 2), \
+	  (main_s << 3) | 4 | (ipre_s >> 2), \
+	  ((ipst_d & 0xF) << 1) | ((ipre_d & 3) << 6) | 0x21, \
+	  ((ipst_s & 0xF) << 1) | ((ipre_s & 3) << 6) | 0x21 } }
+
+static struct dds_init {
+	uint8_t reg_vals[NUM_DDS_REGS];
+} dds_init_vals[] = {
+	/*       DDR(FDR)       SDR(HDR)   */
+	/* Vendor recommends below for 3m cable */
+#define DDS_3M 0
+	DDS_VAL(31, 19, 12, 0, 29, 22,  9, 0),
+	DDS_VAL(31, 12, 15, 4, 31, 15, 15, 1),
+	DDS_VAL(31, 13, 15, 3, 31, 16, 15, 0),
+	DDS_VAL(31, 14, 15, 2, 31, 17, 14, 0),
+	DDS_VAL(31, 15, 15, 1, 31, 18, 13, 0),
+	DDS_VAL(31, 16, 15, 0, 31, 19, 12, 0),
+	DDS_VAL(31, 17, 14, 0, 31, 20, 11, 0),
+	DDS_VAL(31, 18, 13, 0, 30, 21, 10, 0),
+	DDS_VAL(31, 20, 11, 0, 28, 23,  8, 0),
+	DDS_VAL(31, 21, 10, 0, 27, 24,  7, 0),
+	DDS_VAL(31, 22,  9, 0, 26, 25,  6, 0),
+	DDS_VAL(30, 23,  8, 0, 25, 26,  5, 0),
+	DDS_VAL(29, 24,  7, 0, 23, 27,  4, 0),
+	/* Vendor recommends below for 1m cable */
+#define DDS_1M 13
+	DDS_VAL(28, 25,  6, 0, 21, 28,  3, 0),
+	DDS_VAL(27, 26,  5, 0, 19, 29,  2, 0),
+	DDS_VAL(25, 27,  4, 0, 17, 30,  1, 0)
+};
+
+/*
+ * Now the RXEQ section of the table.
+ */
+/* Hardware packs an element number and register address thus: */
+#define RXEQ_INIT_RDESC(elt, addr) (((elt) & 0xF) | ((addr) << 4))
+#define RXEQ_VAL(elt, adr, val0, val1, val2, val3) \
+	{RXEQ_INIT_RDESC((elt), (adr)), {(val0), (val1), (val2), (val3)} }
+
+#define RXEQ_VAL_ALL(elt, adr, val)  \
+	{RXEQ_INIT_RDESC((elt), (adr)), {(val), (val), (val), (val)} }
+
+#define RXEQ_SDR_DFELTH 0
+#define RXEQ_SDR_TLTH 0
+#define RXEQ_SDR_G1CNT_Z1CNT 0x11
+#define RXEQ_SDR_ZCNT 23
+
+static struct rxeq_init {
+	u16 rdesc;      /* in form used in SerDesDDSRXEQ */
+	u8  rdata[4];
+} rxeq_init_vals[] = {
+	/* Set Rcv Eq. to Preset node */
+	RXEQ_VAL_ALL(7, 0x27, 0x10),
+	/* Set DFELTHFDR/HDR thresholds */
+	RXEQ_VAL(7, 8,    0, 0, 0, 0), /* FDR, was 0, 1, 2, 3 */
+	RXEQ_VAL(7, 0x21, 0, 0, 0, 0), /* HDR */
+	/* Set TLTHFDR/HDR theshold */
+	RXEQ_VAL(7, 9,    2, 2, 2, 2), /* FDR, was 0, 2, 4, 6 */
+	RXEQ_VAL(7, 0x23, 2, 2, 2, 2), /* HDR, was  0, 1, 2, 3 */
+	/* Set Preamp setting 2 (ZFR/ZCNT) */
+	RXEQ_VAL(7, 0x1B, 12, 12, 12, 12), /* FDR, was 12, 16, 20, 24 */
+	RXEQ_VAL(7, 0x1C, 12, 12, 12, 12), /* HDR, was 12, 16, 20, 24 */
+	/* Set Preamp DC gain and Setting 1 (GFR/GHR) */
+	RXEQ_VAL(7, 0x1E, 16, 16, 16, 16), /* FDR, was 16, 17, 18, 20 */
+	RXEQ_VAL(7, 0x1F, 16, 16, 16, 16), /* HDR, was 16, 17, 18, 20 */
+	/* Toggle RELOCK (in VCDL_CTRL0) to lock to data */
+	RXEQ_VAL_ALL(6, 6, 0x20), /* Set D5 High */
+	RXEQ_VAL_ALL(6, 6, 0), /* Set D5 Low */
+};
+
+/* There are 17 values from vendor, but IBC only accesses the first 16 */
+#define DDS_ROWS (16)
+#define RXEQ_ROWS ARRAY_SIZE(rxeq_init_vals)
+
+static int qib_sd_setvals(struct qib_devdata *dd)
+{
+	int idx, midx;
+	int min_idx;     /* Minimum index for this portion of table */
+	uint32_t dds_reg_map;
+	u64 __iomem *taddr, *iaddr;
+	uint64_t data;
+	uint64_t sdctl;
+
+	taddr = dd->kregbase + kr_serdes_maptable;
+	iaddr = dd->kregbase + kr_serdes_ddsrxeq0;
+
+	/*
+	 * Init the DDS section of the table.
+	 * Each "row" of the table provokes NUM_DDS_REG writes, to the
+	 * registers indicated in DDS_REG_MAP.
+	 */
+	sdctl = qib_read_kreg64(dd, kr_ibserdesctrl);
+	sdctl = (sdctl & ~(0x1f << 8)) | (NUM_DDS_REGS << 8);
+	sdctl = (sdctl & ~(0x1f << 13)) | (RXEQ_ROWS << 13);
+	qib_write_kreg(dd, kr_ibserdesctrl, sdctl);
+
+	/*
+	 * Iterate down table within loop for each register to store.
+	 */
+	dds_reg_map = DDS_REG_MAP;
+	for (idx = 0; idx < NUM_DDS_REGS; ++idx) {
+		data = ((dds_reg_map & 0xF) << 4) | TX_FAST_ELT;
+		writeq(data, iaddr + idx);
+		mmiowb();
+		qib_read_kreg32(dd, kr_scratch);
+		dds_reg_map >>= 4;
+		for (midx = 0; midx < DDS_ROWS; ++midx) {
+			u64 __iomem *daddr = taddr + ((midx << 4) + idx);
+			data = dds_init_vals[midx].reg_vals[idx];
+			writeq(data, daddr);
+			mmiowb();
+			qib_read_kreg32(dd, kr_scratch);
+		} /* End inner for (vals for this reg, each row) */
+	} /* end outer for (regs to be stored) */
+
+	/*
+	 * Init the RXEQ section of the table.
+	 * This runs in a different order, as the pattern of
+	 * register references is more complex, but there are only
+	 * four "data" values per register.
+	 */
+	min_idx = idx; /* RXEQ indices pick up where DDS left off */
+	taddr += 0x100; /* RXEQ data is in second half of table */
+	/* Iterate through RXEQ register addresses */
+	for (idx = 0; idx < RXEQ_ROWS; ++idx) {
+		int didx; /* "destination" */
+		int vidx;
+
+		/* didx is offset by min_idx to address RXEQ range of regs */
+		didx = idx + min_idx;
+		/* Store the next RXEQ register address */
+		writeq(rxeq_init_vals[idx].rdesc, iaddr + didx);
+		mmiowb();
+		qib_read_kreg32(dd, kr_scratch);
+		/* Iterate through RXEQ values */
+		for (vidx = 0; vidx < 4; vidx++) {
+			data = rxeq_init_vals[idx].rdata[vidx];
+			writeq(data, taddr + (vidx << 6) + idx);
+			mmiowb();
+			qib_read_kreg32(dd, kr_scratch);
+		}
+	} /* end outer for (Reg-writes for RXEQ) */
+	return 0;
+}
+
+#define CMUCTRL5 EPB_LOC(7, 0, 0x15)
+#define RXHSCTRL0(chan) EPB_LOC(chan, 6, 0)
+#define VCDL_DAC2(chan) EPB_LOC(chan, 6, 5)
+#define VCDL_CTRL0(chan) EPB_LOC(chan, 6, 6)
+#define VCDL_CTRL2(chan) EPB_LOC(chan, 6, 8)
+#define START_EQ2(chan) EPB_LOC(chan, 7, 0x28)
+
+/*
+ * Repeat a "store" across all channels of the IB SerDes.
+ * Although nominally it inherits the "read value" of the last
+ * channel it modified, the only really useful return is <0 for
+ * failure, >= 0 for success. The parameter 'loc' is assumed to
+ * be the location in some channel of the register to be modified
+ * The caller can specify use of the "gang write" option of EPB,
+ * in which case we use the specified channel data for any fields
+ * not explicitely written.
+ */
+static int ibsd_mod_allchnls(struct qib_devdata *dd, int loc, int val,
+			     int mask)
+{
+	int ret = -1;
+	int chnl;
+
+	if (loc & EPB_GLOBAL_WR) {
+		/*
+		 * Our caller has assured us that we can set all four
+		 * channels at once. Trust that. If mask is not 0xFF,
+		 * we will read the _specified_ channel for our starting
+		 * value.
+		 */
+		loc |= (1U << EPB_IB_QUAD0_CS_SHF);
+		chnl = (loc >> (4 + EPB_ADDR_SHF)) & 7;
+		if (mask != 0xFF) {
+			ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES,
+						 loc & ~EPB_GLOBAL_WR, 0, 0);
+			if (ret < 0) {
+				int sloc = loc >> EPB_ADDR_SHF;
+
+				qib_dev_err(dd, "pre-read failed: elt %d,"
+					    " addr 0x%X, chnl %d\n",
+					    (sloc & 0xF),
+					    (sloc >> 9) & 0x3f, chnl);
+				return ret;
+			}
+			val = (ret & ~mask) | (val & mask);
+		}
+		loc &=  ~(7 << (4+EPB_ADDR_SHF));
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, loc, val, 0xFF);
+		if (ret < 0) {
+			int sloc = loc >> EPB_ADDR_SHF;
+
+			qib_dev_err(dd, "Global WR failed: elt %d,"
+				    " addr 0x%X, val %02X\n",
+				    (sloc & 0xF), (sloc >> 9) & 0x3f, val);
+		}
+		return ret;
+	}
+	/* Clear "channel" and set CS so we can simply iterate */
+	loc &=  ~(7 << (4+EPB_ADDR_SHF));
+	loc |= (1U << EPB_IB_QUAD0_CS_SHF);
+	for (chnl = 0; chnl < 4; ++chnl) {
+		int cloc = loc | (chnl << (4+EPB_ADDR_SHF));
+
+		ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, cloc, val, mask);
+		if (ret < 0) {
+			int sloc = loc >> EPB_ADDR_SHF;
+
+			qib_dev_err(dd, "Write failed: elt %d,"
+				    " addr 0x%X, chnl %d, val 0x%02X,"
+				    " mask 0x%02X\n",
+				    (sloc & 0xF), (sloc >> 9) & 0x3f, chnl,
+				    val & 0xFF, mask & 0xFF);
+			break;
+		}
+	}
+	return ret;
+}
+
+/*
+ * Set the Tx values normally modified by IBC in IB1.2 mode to default
+ * values, as gotten from first row of init table.
+ */
+static int set_dds_vals(struct qib_devdata *dd, struct dds_init *ddi)
+{
+	int ret;
+	int idx, reg, data;
+	uint32_t regmap;
+
+	regmap = DDS_REG_MAP;
+	for (idx = 0; idx < NUM_DDS_REGS; ++idx) {
+		reg = (regmap & 0xF);
+		regmap >>= 4;
+		data = ddi->reg_vals[idx];
+		/* Vendor says RMW not needed for these regs, use 0xFF mask */
+		ret = ibsd_mod_allchnls(dd, EPB_LOC(0, 9, reg), data, 0xFF);
+		if (ret < 0)
+			break;
+	}
+	return ret;
+}
+
+/*
+ * Set the Rx values normally modified by IBC in IB1.2 mode to default
+ * values, as gotten from selected column of init table.
+ */
+static int set_rxeq_vals(struct qib_devdata *dd, int vsel)
+{
+	int ret;
+	int ridx;
+	int cnt = ARRAY_SIZE(rxeq_init_vals);
+
+	for (ridx = 0; ridx < cnt; ++ridx) {
+		int elt, reg, val, loc;
+
+		elt = rxeq_init_vals[ridx].rdesc & 0xF;
+		reg = rxeq_init_vals[ridx].rdesc >> 4;
+		loc = EPB_LOC(0, elt, reg);
+		val = rxeq_init_vals[ridx].rdata[vsel];
+		/* mask of 0xFF, because hardware does full-byte store. */
+		ret = ibsd_mod_allchnls(dd, loc, val, 0xFF);
+		if (ret < 0)
+			break;
+	}
+	return ret;
+}
+
+/*
+ * Set the default values (row 0) for DDR Driver Demphasis.
+ * we do this initially and whenever we turn off IB-1.2
+ *
+ * The "default" values for Rx equalization are also stored to
+ * SerDes registers. Formerly (and still default), we used set 2.
+ * For experimenting with cables and link-partners, we allow changing
+ * that via a module parameter.
+ */
+static unsigned qib_rxeq_set = 2;
+module_param_named(rxeq_default_set, qib_rxeq_set, uint,
+		   S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(rxeq_default_set,
+		 "Which set [0..3] of Rx Equalization values is default");
+
+static int qib_internal_presets(struct qib_devdata *dd)
+{
+	int ret = 0;
+
+	ret = set_dds_vals(dd, dds_init_vals + DDS_3M);
+
+	if (ret < 0)
+		qib_dev_err(dd, "Failed to set default DDS values\n");
+	ret = set_rxeq_vals(dd, qib_rxeq_set & 3);
+	if (ret < 0)
+		qib_dev_err(dd, "Failed to set default RXEQ values\n");
+	return ret;
+}
+
+int qib_sd7220_presets(struct qib_devdata *dd)
+{
+	int ret = 0;
+
+	if (!dd->cspec->presets_needed)
+		return ret;
+	dd->cspec->presets_needed = 0;
+	/* Assert uC reset, so we don't clash with it. */
+	qib_ibsd_reset(dd, 1);
+	udelay(2);
+	qib_sd_trimdone_monitor(dd, "link-down");
+
+	ret = qib_internal_presets(dd);
+	return ret;
+}
+
+static int qib_sd_trimself(struct qib_devdata *dd, int val)
+{
+	int loc = CMUCTRL5 | (1U << EPB_IB_QUAD0_CS_SHF);
+
+	return qib_sd7220_reg_mod(dd, IB_7220_SERDES, loc, val, 0xFF);
+}
+
+static int qib_sd_early(struct qib_devdata *dd)
+{
+	int ret;
+
+	ret = ibsd_mod_allchnls(dd, RXHSCTRL0(0) | EPB_GLOBAL_WR, 0xD4, 0xFF);
+	if (ret < 0)
+		goto bail;
+	ret = ibsd_mod_allchnls(dd, START_EQ1(0) | EPB_GLOBAL_WR, 0x10, 0xFF);
+	if (ret < 0)
+		goto bail;
+	ret = ibsd_mod_allchnls(dd, START_EQ2(0) | EPB_GLOBAL_WR, 0x30, 0xFF);
+bail:
+	return ret;
+}
+
+#define BACTRL(chnl) EPB_LOC(chnl, 6, 0x0E)
+#define LDOUTCTRL1(chnl) EPB_LOC(chnl, 7, 6)
+#define RXHSSTATUS(chnl) EPB_LOC(chnl, 6, 0xF)
+
+static int qib_sd_dactrim(struct qib_devdata *dd)
+{
+	int ret;
+
+	ret = ibsd_mod_allchnls(dd, VCDL_DAC2(0) | EPB_GLOBAL_WR, 0x2D, 0xFF);
+	if (ret < 0)
+		goto bail;
+
+	/* more fine-tuning of what will be default */
+	ret = ibsd_mod_allchnls(dd, VCDL_CTRL2(0), 3, 0xF);
+	if (ret < 0)
+		goto bail;
+
+	ret = ibsd_mod_allchnls(dd, BACTRL(0) | EPB_GLOBAL_WR, 0x40, 0xFF);
+	if (ret < 0)
+		goto bail;
+
+	ret = ibsd_mod_allchnls(dd, LDOUTCTRL1(0) | EPB_GLOBAL_WR, 0x04, 0xFF);
+	if (ret < 0)
+		goto bail;
+
+	ret = ibsd_mod_allchnls(dd, RXHSSTATUS(0) | EPB_GLOBAL_WR, 0x04, 0xFF);
+	if (ret < 0)
+		goto bail;
+
+	/*
+	 * Delay for max possible number of steps, with slop.
+	 * Each step is about 4usec.
+	 */
+	udelay(415);
+
+	ret = ibsd_mod_allchnls(dd, LDOUTCTRL1(0) | EPB_GLOBAL_WR, 0x00, 0xFF);
+
+bail:
+	return ret;
+}
+
+#define RELOCK_FIRST_MS 3
+#define RXLSPPM(chan) EPB_LOC(chan, 0, 2)
+void toggle_7220_rclkrls(struct qib_devdata *dd)
+{
+	int loc = RXLSPPM(0) | EPB_GLOBAL_WR;
+	int ret;
+
+	ret = ibsd_mod_allchnls(dd, loc, 0, 0x80);
+	if (ret < 0)
+		qib_dev_err(dd, "RCLKRLS failed to clear D7\n");
+	else {
+		udelay(1);
+		ibsd_mod_allchnls(dd, loc, 0x80, 0x80);
+	}
+	/* And again for good measure */
+	udelay(1);
+	ret = ibsd_mod_allchnls(dd, loc, 0, 0x80);
+	if (ret < 0)
+		qib_dev_err(dd, "RCLKRLS failed to clear D7\n");
+	else {
+		udelay(1);
+		ibsd_mod_allchnls(dd, loc, 0x80, 0x80);
+	}
+	/* Now reset xgxs and IBC to complete the recovery */
+	dd->f_xgxs_reset(dd->pport);
+}
+
+/*
+ * Shut down the timer that polls for relock occasions, if needed
+ * this is "hooked" from qib_7220_quiet_serdes(), which is called
+ * just before qib_shutdown_device() in qib_driver.c shuts down all
+ * the other timers
+ */
+void shutdown_7220_relock_poll(struct qib_devdata *dd)
+{
+	if (dd->cspec->relock_timer_active)
+		del_timer_sync(&dd->cspec->relock_timer);
+}
+
+static unsigned qib_relock_by_timer = 1;
+module_param_named(relock_by_timer, qib_relock_by_timer, uint,
+		   S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(relock_by_timer, "Allow relock attempt if link not up");
+
+static void qib_run_relock(unsigned long opaque)
+{
+	struct qib_devdata *dd = (struct qib_devdata *)opaque;
+	struct qib_pportdata *ppd = dd->pport;
+	struct qib_chip_specific *cs = dd->cspec;
+	int timeoff;
+
+	/*
+	 * Check link-training state for "stuck" state, when down.
+	 * if found, try relock and schedule another try at
+	 * exponentially growing delay, maxed at one second.
+	 * if not stuck, our work is done.
+	 */
+	if ((dd->flags & QIB_INITTED) && !(ppd->lflags &
+	    (QIBL_IB_AUTONEG_INPROG | QIBL_LINKINIT | QIBL_LINKARMED |
+	     QIBL_LINKACTIVE))) {
+		if (qib_relock_by_timer) {
+			if (!(ppd->lflags & QIBL_IB_LINK_DISABLED))
+				toggle_7220_rclkrls(dd);
+		}
+		/* re-set timer for next check */
+		timeoff = cs->relock_interval << 1;
+		if (timeoff > HZ)
+			timeoff = HZ;
+		cs->relock_interval = timeoff;
+	} else
+		timeoff = HZ;
+	mod_timer(&cs->relock_timer, jiffies + timeoff);
+}
+
+void set_7220_relock_poll(struct qib_devdata *dd, int ibup)
+{
+	struct qib_chip_specific *cs = dd->cspec;
+
+	if (ibup) {
+		/* We are now up, relax timer to 1 second interval */
+		if (cs->relock_timer_active) {
+			cs->relock_interval = HZ;
+			mod_timer(&cs->relock_timer, jiffies + HZ);
+		}
+	} else {
+		/* Transition to down, (re-)set timer to short interval. */
+		unsigned int timeout;
+
+		timeout = msecs_to_jiffies(RELOCK_FIRST_MS);
+		if (timeout == 0)
+			timeout = 1;
+		/* If timer has not yet been started, do so. */
+		if (!cs->relock_timer_active) {
+			cs->relock_timer_active = 1;
+			init_timer(&cs->relock_timer);
+			cs->relock_timer.function = qib_run_relock;
+			cs->relock_timer.data = (unsigned long) dd;
+			cs->relock_interval = timeout;
+			cs->relock_timer.expires = jiffies + timeout;
+			add_timer(&cs->relock_timer);
+		} else {
+			cs->relock_interval = timeout;
+			mod_timer(&cs->relock_timer, jiffies + timeout);
+		}
+	}
+}
diff --git a/drivers/infiniband/hw/qib/qib_sd7220_img.c b/drivers/infiniband/hw/qib/qib_sd7220_img.c
new file mode 100644
index 00000000000..a1118fbd237
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_sd7220_img.c
@@ -0,0 +1,1081 @@
+/*
+ * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This file contains the memory image from the vendor, to be copied into
+ * the IB SERDES of the IBA7220 during initialization.
+ * The file also includes the two functions which use this image.
+ */
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "qib.h"
+#include "qib_7220.h"
+
+static unsigned char qib_sd7220_ib_img[] = {
+/*0000*/0x02, 0x0A, 0x29, 0x02, 0x0A, 0x87, 0xE5, 0xE6,
+	0x30, 0xE6, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F,
+/*0010*/0x00, 0xE5, 0xE2, 0x30, 0xE4, 0x04, 0x7E, 0x01,
+	0x80, 0x02, 0x7E, 0x00, 0xEE, 0x5F, 0x60, 0x08,
+/*0020*/0x53, 0xF9, 0xF7, 0xE4, 0xF5, 0xFE, 0x80, 0x08,
+	0x7F, 0x0A, 0x12, 0x17, 0x31, 0x12, 0x0E, 0xA2,
+/*0030*/0x75, 0xFC, 0x08, 0xE4, 0xF5, 0xFD, 0xE5, 0xE7,
+	0x20, 0xE7, 0x03, 0x43, 0xF9, 0x08, 0x22, 0x00,
+/*0040*/0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x75,
+	0x51, 0x01, 0xE4, 0xF5, 0x52, 0xF5, 0x53, 0xF5,
+/*0050*/0x52, 0xF5, 0x7E, 0x7F, 0x04, 0x02, 0x04, 0x38,
+	0xC2, 0x36, 0x05, 0x52, 0xE5, 0x52, 0xD3, 0x94,
+/*0060*/0x0C, 0x40, 0x05, 0x75, 0x52, 0x01, 0xD2, 0x36,
+	0x90, 0x07, 0x0C, 0x74, 0x07, 0xF0, 0xA3, 0x74,
+/*0070*/0xFF, 0xF0, 0xE4, 0xF5, 0x0C, 0xA3, 0xF0, 0x90,
+	0x07, 0x14, 0xF0, 0xA3, 0xF0, 0x75, 0x0B, 0x20,
+/*0080*/0xF5, 0x09, 0xE4, 0xF5, 0x08, 0xE5, 0x08, 0xD3,
+	0x94, 0x30, 0x40, 0x03, 0x02, 0x04, 0x04, 0x12,
+/*0090*/0x00, 0x06, 0x15, 0x0B, 0xE5, 0x08, 0x70, 0x04,
+	0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x09,
+/*00A0*/0x70, 0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00,
+	0xEE, 0x5F, 0x60, 0x05, 0x12, 0x18, 0x71, 0xD2,
+/*00B0*/0x35, 0x53, 0xE1, 0xF7, 0xE5, 0x08, 0x45, 0x09,
+	0xFF, 0xE5, 0x0B, 0x25, 0xE0, 0x25, 0xE0, 0x24,
+/*00C0*/0x83, 0xF5, 0x82, 0xE4, 0x34, 0x07, 0xF5, 0x83,
+	0xEF, 0xF0, 0x85, 0xE2, 0x20, 0xE5, 0x52, 0xD3,
+/*00D0*/0x94, 0x01, 0x40, 0x0D, 0x12, 0x19, 0xF3, 0xE0,
+	0x54, 0xA0, 0x64, 0x40, 0x70, 0x03, 0x02, 0x03,
+/*00E0*/0xFB, 0x53, 0xF9, 0xF8, 0x90, 0x94, 0x70, 0xE4,
+	0xF0, 0xE0, 0xF5, 0x10, 0xAF, 0x09, 0x12, 0x1E,
+/*00F0*/0xB3, 0xAF, 0x08, 0xEF, 0x44, 0x08, 0xF5, 0x82,
+	0x75, 0x83, 0x80, 0xE0, 0xF5, 0x29, 0xEF, 0x44,
+/*0100*/0x07, 0x12, 0x1A, 0x3C, 0xF5, 0x22, 0x54, 0x40,
+	0xD3, 0x94, 0x00, 0x40, 0x1E, 0xE5, 0x29, 0x54,
+/*0110*/0xF0, 0x70, 0x21, 0x12, 0x19, 0xF3, 0xE0, 0x44,
+	0x80, 0xF0, 0xE5, 0x22, 0x54, 0x30, 0x65, 0x08,
+/*0120*/0x70, 0x09, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xBF,
+	0xF0, 0x80, 0x09, 0x12, 0x19, 0xF3, 0x74, 0x40,
+/*0130*/0xF0, 0x02, 0x03, 0xFB, 0x12, 0x1A, 0x12, 0x75,
+	0x83, 0xAE, 0x74, 0xFF, 0xF0, 0xAF, 0x08, 0x7E,
+/*0140*/0x00, 0xEF, 0x44, 0x07, 0xF5, 0x82, 0xE0, 0xFD,
+	0xE5, 0x0B, 0x25, 0xE0, 0x25, 0xE0, 0x24, 0x81,
+/*0150*/0xF5, 0x82, 0xE4, 0x34, 0x07, 0xF5, 0x83, 0xED,
+	0xF0, 0x90, 0x07, 0x0E, 0xE0, 0x04, 0xF0, 0xEF,
+/*0160*/0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0x98, 0xE0,
+	0xF5, 0x28, 0x12, 0x1A, 0x23, 0x40, 0x0C, 0x12,
+/*0170*/0x19, 0xF3, 0xE0, 0x44, 0x01, 0x12, 0x1A, 0x32,
+	0x02, 0x03, 0xF6, 0xAF, 0x08, 0x7E, 0x00, 0x74,
+/*0180*/0x80, 0xCD, 0xEF, 0xCD, 0x8D, 0x82, 0xF5, 0x83,
+	0xE0, 0x30, 0xE0, 0x0A, 0x12, 0x19, 0xF3, 0xE0,
+/*0190*/0x44, 0x20, 0xF0, 0x02, 0x03, 0xFB, 0x12, 0x19,
+	0xF3, 0xE0, 0x54, 0xDF, 0xF0, 0xEE, 0x44, 0xAE,
+/*01A0*/0x12, 0x1A, 0x43, 0x30, 0xE4, 0x03, 0x02, 0x03,
+	0xFB, 0x74, 0x9E, 0x12, 0x1A, 0x05, 0x20, 0xE0,
+/*01B0*/0x03, 0x02, 0x03, 0xFB, 0x8F, 0x82, 0x8E, 0x83,
+	0xE0, 0x20, 0xE0, 0x03, 0x02, 0x03, 0xFB, 0x12,
+/*01C0*/0x19, 0xF3, 0xE0, 0x44, 0x10, 0xF0, 0xE5, 0xE3,
+	0x20, 0xE7, 0x08, 0xE5, 0x08, 0x12, 0x1A, 0x3A,
+/*01D0*/0x44, 0x04, 0xF0, 0xAF, 0x08, 0x7E, 0x00, 0xEF,
+	0x12, 0x1A, 0x3A, 0x20, 0xE2, 0x34, 0x12, 0x19,
+/*01E0*/0xF3, 0xE0, 0x44, 0x08, 0xF0, 0xE5, 0xE4, 0x30,
+	0xE6, 0x04, 0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00,
+/*01F0*/0xE5, 0x7E, 0xC3, 0x94, 0x04, 0x50, 0x04, 0x7C,
+	0x01, 0x80, 0x02, 0x7C, 0x00, 0xEC, 0x4D, 0x60,
+/*0200*/0x05, 0xC2, 0x35, 0x02, 0x03, 0xFB, 0xEE, 0x44,
+	0xD2, 0x12, 0x1A, 0x43, 0x44, 0x40, 0xF0, 0x02,
+/*0210*/0x03, 0xFB, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xF7,
+	0xF0, 0x12, 0x1A, 0x12, 0x75, 0x83, 0xD2, 0xE0,
+/*0220*/0x54, 0xBF, 0xF0, 0x90, 0x07, 0x14, 0xE0, 0x04,
+	0xF0, 0xE5, 0x7E, 0x70, 0x03, 0x75, 0x7E, 0x01,
+/*0230*/0xAF, 0x08, 0x7E, 0x00, 0x12, 0x1A, 0x23, 0x40,
+	0x12, 0x12, 0x19, 0xF3, 0xE0, 0x44, 0x01, 0x12,
+/*0240*/0x19, 0xF2, 0xE0, 0x54, 0x02, 0x12, 0x1A, 0x32,
+	0x02, 0x03, 0xFB, 0x12, 0x19, 0xF3, 0xE0, 0x44,
+/*0250*/0x02, 0x12, 0x19, 0xF2, 0xE0, 0x54, 0xFE, 0xF0,
+	0xC2, 0x35, 0xEE, 0x44, 0x8A, 0x8F, 0x82, 0xF5,
+/*0260*/0x83, 0xE0, 0xF5, 0x17, 0x54, 0x8F, 0x44, 0x40,
+	0xF0, 0x74, 0x90, 0xFC, 0xE5, 0x08, 0x44, 0x07,
+/*0270*/0xFD, 0xF5, 0x82, 0x8C, 0x83, 0xE0, 0x54, 0x3F,
+	0x90, 0x07, 0x02, 0xF0, 0xE0, 0x54, 0xC0, 0x8D,
+/*0280*/0x82, 0x8C, 0x83, 0xF0, 0x74, 0x92, 0x12, 0x1A,
+	0x05, 0x90, 0x07, 0x03, 0x12, 0x1A, 0x19, 0x74,
+/*0290*/0x82, 0x12, 0x1A, 0x05, 0x90, 0x07, 0x04, 0x12,
+	0x1A, 0x19, 0x74, 0xB4, 0x12, 0x1A, 0x05, 0x90,
+/*02A0*/0x07, 0x05, 0x12, 0x1A, 0x19, 0x74, 0x94, 0xFE,
+	0xE5, 0x08, 0x44, 0x06, 0x12, 0x1A, 0x0A, 0xF5,
+/*02B0*/0x10, 0x30, 0xE0, 0x04, 0xD2, 0x37, 0x80, 0x02,
+	0xC2, 0x37, 0xE5, 0x10, 0x54, 0x7F, 0x8F, 0x82,
+/*02C0*/0x8E, 0x83, 0xF0, 0x30, 0x44, 0x30, 0x12, 0x1A,
+	0x03, 0x54, 0x80, 0xD3, 0x94, 0x00, 0x40, 0x04,
+/*02D0*/0xD2, 0x39, 0x80, 0x02, 0xC2, 0x39, 0x8F, 0x82,
+	0x8E, 0x83, 0xE0, 0x44, 0x80, 0xF0, 0x12, 0x1A,
+/*02E0*/0x03, 0x54, 0x40, 0xD3, 0x94, 0x00, 0x40, 0x04,
+	0xD2, 0x3A, 0x80, 0x02, 0xC2, 0x3A, 0x8F, 0x82,
+/*02F0*/0x8E, 0x83, 0xE0, 0x44, 0x40, 0xF0, 0x74, 0x92,
+	0xFE, 0xE5, 0x08, 0x44, 0x06, 0x12, 0x1A, 0x0A,
+/*0300*/0x30, 0xE7, 0x04, 0xD2, 0x38, 0x80, 0x02, 0xC2,
+	0x38, 0x8F, 0x82, 0x8E, 0x83, 0xE0, 0x54, 0x7F,
+/*0310*/0xF0, 0x12, 0x1E, 0x46, 0xE4, 0xF5, 0x0A, 0x20,
+	0x03, 0x02, 0x80, 0x03, 0x30, 0x43, 0x03, 0x12,
+/*0320*/0x19, 0x95, 0x20, 0x02, 0x02, 0x80, 0x03, 0x30,
+	0x42, 0x03, 0x12, 0x0C, 0x8F, 0x30, 0x30, 0x06,
+/*0330*/0x12, 0x19, 0x95, 0x12, 0x0C, 0x8F, 0x12, 0x0D,
+	0x47, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xFB, 0xF0,
+/*0340*/0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40, 0x46, 0x43,
+	0xE1, 0x08, 0x12, 0x19, 0xF3, 0xE0, 0x44, 0x04,
+/*0350*/0xF0, 0xE5, 0xE4, 0x20, 0xE7, 0x2A, 0x12, 0x1A,
+	0x12, 0x75, 0x83, 0xD2, 0xE0, 0x54, 0x08, 0xD3,
+/*0360*/0x94, 0x00, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
+	0x7F, 0x00, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40,
+/*0370*/0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF,
+	0x5E, 0x60, 0x05, 0x12, 0x1D, 0xD7, 0x80, 0x17,
+/*0380*/0x12, 0x1A, 0x12, 0x75, 0x83, 0xD2, 0xE0, 0x44,
+	0x08, 0xF0, 0x02, 0x03, 0xFB, 0x12, 0x1A, 0x12,
+/*0390*/0x75, 0x83, 0xD2, 0xE0, 0x54, 0xF7, 0xF0, 0x12,
+	0x1E, 0x46, 0x7F, 0x08, 0x12, 0x17, 0x31, 0x74,
+/*03A0*/0x8E, 0xFE, 0x12, 0x1A, 0x12, 0x8E, 0x83, 0xE0,
+	0xF5, 0x10, 0x54, 0xFE, 0xF0, 0xE5, 0x10, 0x44,
+/*03B0*/0x01, 0xFF, 0xE5, 0x08, 0xFD, 0xED, 0x44, 0x07,
+	0xF5, 0x82, 0xEF, 0xF0, 0xE5, 0x10, 0x54, 0xFE,
+/*03C0*/0xFF, 0xED, 0x44, 0x07, 0xF5, 0x82, 0xEF, 0x12,
+	0x1A, 0x11, 0x75, 0x83, 0x86, 0xE0, 0x44, 0x10,
+/*03D0*/0x12, 0x1A, 0x11, 0xE0, 0x44, 0x10, 0xF0, 0x12,
+	0x19, 0xF3, 0xE0, 0x54, 0xFD, 0x44, 0x01, 0xFF,
+/*03E0*/0x12, 0x19, 0xF3, 0xEF, 0x12, 0x1A, 0x32, 0x30,
+	0x32, 0x0C, 0xE5, 0x08, 0x44, 0x08, 0xF5, 0x82,
+/*03F0*/0x75, 0x83, 0x82, 0x74, 0x05, 0xF0, 0xAF, 0x0B,
+	0x12, 0x18, 0xD7, 0x74, 0x10, 0x25, 0x08, 0xF5,
+/*0400*/0x08, 0x02, 0x00, 0x85, 0x05, 0x09, 0xE5, 0x09,
+	0xD3, 0x94, 0x07, 0x50, 0x03, 0x02, 0x00, 0x82,
+/*0410*/0xE5, 0x7E, 0xD3, 0x94, 0x00, 0x40, 0x04, 0x7F,
+	0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x7E, 0xC3,
+/*0420*/0x94, 0xFA, 0x50, 0x04, 0x7E, 0x01, 0x80, 0x02,
+	0x7E, 0x00, 0xEE, 0x5F, 0x60, 0x02, 0x05, 0x7E,
+/*0430*/0x30, 0x35, 0x0B, 0x43, 0xE1, 0x01, 0x7F, 0x09,
+	0x12, 0x17, 0x31, 0x02, 0x00, 0x58, 0x53, 0xE1,
+/*0440*/0xFE, 0x02, 0x00, 0x58, 0x8E, 0x6A, 0x8F, 0x6B,
+	0x8C, 0x6C, 0x8D, 0x6D, 0x75, 0x6E, 0x01, 0x75,
+/*0450*/0x6F, 0x01, 0x75, 0x70, 0x01, 0xE4, 0xF5, 0x73,
+	0xF5, 0x74, 0xF5, 0x75, 0x90, 0x07, 0x2F, 0xF0,
+/*0460*/0xF5, 0x3C, 0xF5, 0x3E, 0xF5, 0x46, 0xF5, 0x47,
+	0xF5, 0x3D, 0xF5, 0x3F, 0xF5, 0x6F, 0xE5, 0x6F,
+/*0470*/0x70, 0x0F, 0xE5, 0x6B, 0x45, 0x6A, 0x12, 0x07,
+	0x2A, 0x75, 0x83, 0x80, 0x74, 0x3A, 0xF0, 0x80,
+/*0480*/0x09, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x80, 0x74,
+	0x1A, 0xF0, 0xE4, 0xF5, 0x6E, 0xC3, 0x74, 0x3F,
+/*0490*/0x95, 0x6E, 0xFF, 0x12, 0x08, 0x65, 0x75, 0x83,
+	0x82, 0xEF, 0xF0, 0x12, 0x1A, 0x4D, 0x12, 0x08,
+/*04A0*/0xC6, 0xE5, 0x33, 0xF0, 0x12, 0x08, 0xFA, 0x12,
+	0x08, 0xB1, 0x40, 0xE1, 0xE5, 0x6F, 0x70, 0x0B,
+/*04B0*/0x12, 0x07, 0x2A, 0x75, 0x83, 0x80, 0x74, 0x36,
+	0xF0, 0x80, 0x09, 0x12, 0x07, 0x2A, 0x75, 0x83,
+/*04C0*/0x80, 0x74, 0x16, 0xF0, 0x75, 0x6E, 0x01, 0x12,
+	0x07, 0x2A, 0x75, 0x83, 0xB4, 0xE5, 0x6E, 0xF0,
+/*04D0*/0x12, 0x1A, 0x4D, 0x74, 0x3F, 0x25, 0x6E, 0xF5,
+	0x82, 0xE4, 0x34, 0x00, 0xF5, 0x83, 0xE5, 0x33,
+/*04E0*/0xF0, 0x74, 0xBF, 0x25, 0x6E, 0xF5, 0x82, 0xE4,
+	0x34, 0x00, 0x12, 0x08, 0xB1, 0x40, 0xD8, 0xE4,
+/*04F0*/0xF5, 0x70, 0xF5, 0x46, 0xF5, 0x47, 0xF5, 0x6E,
+	0x12, 0x08, 0xFA, 0xF5, 0x83, 0xE0, 0xFE, 0x12,
+/*0500*/0x08, 0xC6, 0xE0, 0x7C, 0x00, 0x24, 0x00, 0xFF,
+	0xEC, 0x3E, 0xFE, 0xAD, 0x3B, 0xD3, 0xEF, 0x9D,
+/*0510*/0xEE, 0x9C, 0x50, 0x04, 0x7B, 0x01, 0x80, 0x02,
+	0x7B, 0x00, 0xE5, 0x70, 0x70, 0x04, 0x7A, 0x01,
+/*0520*/0x80, 0x02, 0x7A, 0x00, 0xEB, 0x5A, 0x60, 0x06,
+	0x85, 0x6E, 0x46, 0x75, 0x70, 0x01, 0xD3, 0xEF,
+/*0530*/0x9D, 0xEE, 0x9C, 0x50, 0x04, 0x7F, 0x01, 0x80,
+	0x02, 0x7F, 0x00, 0xE5, 0x70, 0xB4, 0x01, 0x04,
+/*0540*/0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF, 0x5E,
+	0x60, 0x03, 0x85, 0x6E, 0x47, 0x05, 0x6E, 0xE5,
+/*0550*/0x6E, 0x64, 0x7F, 0x70, 0xA3, 0xE5, 0x46, 0x60,
+	0x05, 0xE5, 0x47, 0xB4, 0x7E, 0x03, 0x85, 0x46,
+/*0560*/0x47, 0xE5, 0x6F, 0x70, 0x08, 0x85, 0x46, 0x76,
+	0x85, 0x47, 0x77, 0x80, 0x0E, 0xC3, 0x74, 0x7F,
+/*0570*/0x95, 0x46, 0xF5, 0x78, 0xC3, 0x74, 0x7F, 0x95,
+	0x47, 0xF5, 0x79, 0xE5, 0x6F, 0x70, 0x37, 0xE5,
+/*0580*/0x46, 0x65, 0x47, 0x70, 0x0C, 0x75, 0x73, 0x01,
+	0x75, 0x74, 0x01, 0xF5, 0x3C, 0xF5, 0x3D, 0x80,
+/*0590*/0x35, 0xE4, 0xF5, 0x4E, 0xC3, 0xE5, 0x47, 0x95,
+	0x46, 0xF5, 0x3C, 0xC3, 0x13, 0xF5, 0x71, 0x25,
+/*05A0*/0x46, 0xF5, 0x72, 0xC3, 0x94, 0x3F, 0x40, 0x05,
+	0xE4, 0xF5, 0x3D, 0x80, 0x40, 0xC3, 0x74, 0x3F,
+/*05B0*/0x95, 0x72, 0xF5, 0x3D, 0x80, 0x37, 0xE5, 0x46,
+	0x65, 0x47, 0x70, 0x0F, 0x75, 0x73, 0x01, 0x75,
+/*05C0*/0x75, 0x01, 0xF5, 0x3E, 0xF5, 0x3F, 0x75, 0x4E,
+	0x01, 0x80, 0x22, 0xE4, 0xF5, 0x4E, 0xC3, 0xE5,
+/*05D0*/0x47, 0x95, 0x46, 0xF5, 0x3E, 0xC3, 0x13, 0xF5,
+	0x71, 0x25, 0x46, 0xF5, 0x72, 0xD3, 0x94, 0x3F,
+/*05E0*/0x50, 0x05, 0xE4, 0xF5, 0x3F, 0x80, 0x06, 0xE5,
+	0x72, 0x24, 0xC1, 0xF5, 0x3F, 0x05, 0x6F, 0xE5,
+/*05F0*/0x6F, 0xC3, 0x94, 0x02, 0x50, 0x03, 0x02, 0x04,
+	0x6E, 0xE5, 0x6D, 0x45, 0x6C, 0x70, 0x02, 0x80,
+/*0600*/0x04, 0xE5, 0x74, 0x45, 0x75, 0x90, 0x07, 0x2F,
+	0xF0, 0x7F, 0x01, 0xE5, 0x3E, 0x60, 0x04, 0xE5,
+/*0610*/0x3C, 0x70, 0x14, 0xE4, 0xF5, 0x3C, 0xF5, 0x3D,
+	0xF5, 0x3E, 0xF5, 0x3F, 0x12, 0x08, 0xD2, 0x70,
+/*0620*/0x04, 0xF0, 0x02, 0x06, 0xA4, 0x80, 0x7A, 0xE5,
+	0x3C, 0xC3, 0x95, 0x3E, 0x40, 0x07, 0xE5, 0x3C,
+/*0630*/0x95, 0x3E, 0xFF, 0x80, 0x06, 0xC3, 0xE5, 0x3E,
+	0x95, 0x3C, 0xFF, 0xE5, 0x76, 0xD3, 0x95, 0x79,
+/*0640*/0x40, 0x05, 0x85, 0x76, 0x7A, 0x80, 0x03, 0x85,
+	0x79, 0x7A, 0xE5, 0x77, 0xC3, 0x95, 0x78, 0x50,
+/*0650*/0x05, 0x85, 0x77, 0x7B, 0x80, 0x03, 0x85, 0x78,
+	0x7B, 0xE5, 0x7B, 0xD3, 0x95, 0x7A, 0x40, 0x30,
+/*0660*/0xE5, 0x7B, 0x95, 0x7A, 0xF5, 0x3C, 0xF5, 0x3E,
+	0xC3, 0xE5, 0x7B, 0x95, 0x7A, 0x90, 0x07, 0x19,
+/*0670*/0xF0, 0xE5, 0x3C, 0xC3, 0x13, 0xF5, 0x71, 0x25,
+	0x7A, 0xF5, 0x72, 0xC3, 0x94, 0x3F, 0x40, 0x05,
+/*0680*/0xE4, 0xF5, 0x3D, 0x80, 0x1F, 0xC3, 0x74, 0x3F,
+	0x95, 0x72, 0xF5, 0x3D, 0xF5, 0x3F, 0x80, 0x14,
+/*0690*/0xE4, 0xF5, 0x3C, 0xF5, 0x3E, 0x90, 0x07, 0x19,
+	0xF0, 0x12, 0x08, 0xD2, 0x70, 0x03, 0xF0, 0x80,
+/*06A0*/0x03, 0x74, 0x01, 0xF0, 0x12, 0x08, 0x65, 0x75,
+	0x83, 0xD0, 0xE0, 0x54, 0x0F, 0xFE, 0xAD, 0x3C,
+/*06B0*/0x70, 0x02, 0x7E, 0x07, 0xBE, 0x0F, 0x02, 0x7E,
+	0x80, 0xEE, 0xFB, 0xEF, 0xD3, 0x9B, 0x74, 0x80,
+/*06C0*/0xF8, 0x98, 0x40, 0x1F, 0xE4, 0xF5, 0x3C, 0xF5,
+	0x3E, 0x12, 0x08, 0xD2, 0x70, 0x03, 0xF0, 0x80,
+/*06D0*/0x12, 0x74, 0x01, 0xF0, 0xE5, 0x08, 0xFB, 0xEB,
+	0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xD2, 0xE0,
+/*06E0*/0x44, 0x10, 0xF0, 0xE5, 0x08, 0xFB, 0xEB, 0x44,
+	0x09, 0xF5, 0x82, 0x75, 0x83, 0x9E, 0xED, 0xF0,
+/*06F0*/0xEB, 0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xCA,
+	0xED, 0xF0, 0x12, 0x08, 0x65, 0x75, 0x83, 0xCC,
+/*0700*/0xEF, 0xF0, 0x22, 0xE5, 0x08, 0x44, 0x07, 0xF5,
+	0x82, 0x75, 0x83, 0xBC, 0xE0, 0x54, 0xF0, 0xF0,
+/*0710*/0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82, 0x75, 0x83,
+	0xBE, 0xE0, 0x54, 0xF0, 0xF0, 0xE5, 0x08, 0x44,
+/*0720*/0x07, 0xF5, 0x82, 0x75, 0x83, 0xC0, 0xE0, 0x54,
+	0xF0, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82,
+/*0730*/0x22, 0xF0, 0x90, 0x07, 0x28, 0xE0, 0xFE, 0xA3,
+	0xE0, 0xF5, 0x82, 0x8E, 0x83, 0x22, 0x85, 0x42,
+/*0740*/0x42, 0x85, 0x41, 0x41, 0x85, 0x40, 0x40, 0x74,
+	0xC0, 0x2F, 0xF5, 0x82, 0x74, 0x02, 0x3E, 0xF5,
+/*0750*/0x83, 0xE5, 0x42, 0xF0, 0x74, 0xE0, 0x2F, 0xF5,
+	0x82, 0x74, 0x02, 0x3E, 0xF5, 0x83, 0x22, 0xE5,
+/*0760*/0x42, 0x29, 0xFD, 0xE4, 0x33, 0xFC, 0xE5, 0x3C,
+	0xC3, 0x9D, 0xEC, 0x64, 0x80, 0xF8, 0x74, 0x80,
+/*0770*/0x98, 0x22, 0xF5, 0x83, 0xE0, 0x90, 0x07, 0x22,
+	0x54, 0x1F, 0xFD, 0xE0, 0xFA, 0xA3, 0xE0, 0xF5,
+/*0780*/0x82, 0x8A, 0x83, 0xED, 0xF0, 0x22, 0x90, 0x07,
+	0x22, 0xE0, 0xFC, 0xA3, 0xE0, 0xF5, 0x82, 0x8C,
+/*0790*/0x83, 0x22, 0x90, 0x07, 0x24, 0xFF, 0xED, 0x44,
+	0x07, 0xCF, 0xF0, 0xA3, 0xEF, 0xF0, 0x22, 0x85,
+/*07A0*/0x38, 0x38, 0x85, 0x39, 0x39, 0x85, 0x3A, 0x3A,
+	0x74, 0xC0, 0x2F, 0xF5, 0x82, 0x74, 0x02, 0x3E,
+/*07B0*/0xF5, 0x83, 0x22, 0x90, 0x07, 0x26, 0xFF, 0xED,
+	0x44, 0x07, 0xCF, 0xF0, 0xA3, 0xEF, 0xF0, 0x22,
+/*07C0*/0xF0, 0x74, 0xA0, 0x2F, 0xF5, 0x82, 0x74, 0x02,
+	0x3E, 0xF5, 0x83, 0x22, 0x74, 0xC0, 0x25, 0x11,
+/*07D0*/0xF5, 0x82, 0xE4, 0x34, 0x01, 0xF5, 0x83, 0x22,
+	0x74, 0x00, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
+/*07E0*/0x02, 0xF5, 0x83, 0x22, 0x74, 0x60, 0x25, 0x11,
+	0xF5, 0x82, 0xE4, 0x34, 0x03, 0xF5, 0x83, 0x22,
+/*07F0*/0x74, 0x80, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
+	0x03, 0xF5, 0x83, 0x22, 0x74, 0xE0, 0x25, 0x11,
+/*0800*/0xF5, 0x82, 0xE4, 0x34, 0x03, 0xF5, 0x83, 0x22,
+	0x74, 0x40, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
+/*0810*/0x06, 0xF5, 0x83, 0x22, 0x74, 0x80, 0x2F, 0xF5,
+	0x82, 0x74, 0x02, 0x3E, 0xF5, 0x83, 0x22, 0xAF,
+/*0820*/0x08, 0x7E, 0x00, 0xEF, 0x44, 0x07, 0xF5, 0x82,
+	0x22, 0xF5, 0x83, 0xE5, 0x82, 0x44, 0x07, 0xF5,
+/*0830*/0x82, 0xE5, 0x40, 0xF0, 0x22, 0x74, 0x40, 0x25,
+	0x11, 0xF5, 0x82, 0xE4, 0x34, 0x02, 0xF5, 0x83,
+/*0840*/0x22, 0x74, 0xC0, 0x25, 0x11, 0xF5, 0x82, 0xE4,
+	0x34, 0x03, 0xF5, 0x83, 0x22, 0x74, 0x00, 0x25,
+/*0850*/0x11, 0xF5, 0x82, 0xE4, 0x34, 0x06, 0xF5, 0x83,
+	0x22, 0x74, 0x20, 0x25, 0x11, 0xF5, 0x82, 0xE4,
+/*0860*/0x34, 0x06, 0xF5, 0x83, 0x22, 0xE5, 0x08, 0xFD,
+	0xED, 0x44, 0x07, 0xF5, 0x82, 0x22, 0xE5, 0x41,
+/*0870*/0xF0, 0xE5, 0x65, 0x64, 0x01, 0x45, 0x64, 0x22,
+	0x7E, 0x00, 0xFB, 0x7A, 0x00, 0xFD, 0x7C, 0x00,
+/*0880*/0x22, 0x74, 0x20, 0x25, 0x11, 0xF5, 0x82, 0xE4,
+	0x34, 0x02, 0x22, 0x74, 0xA0, 0x25, 0x11, 0xF5,
+/*0890*/0x82, 0xE4, 0x34, 0x03, 0x22, 0x85, 0x3E, 0x42,
+	0x85, 0x3F, 0x41, 0x8F, 0x40, 0x22, 0x85, 0x3C,
+/*08A0*/0x42, 0x85, 0x3D, 0x41, 0x8F, 0x40, 0x22, 0x75,
+	0x45, 0x3F, 0x90, 0x07, 0x20, 0xE4, 0xF0, 0xA3,
+/*08B0*/0x22, 0xF5, 0x83, 0xE5, 0x32, 0xF0, 0x05, 0x6E,
+	0xE5, 0x6E, 0xC3, 0x94, 0x40, 0x22, 0xF0, 0xE5,
+/*08C0*/0x08, 0x44, 0x06, 0xF5, 0x82, 0x22, 0x74, 0x00,
+	0x25, 0x6E, 0xF5, 0x82, 0xE4, 0x34, 0x00, 0xF5,
+/*08D0*/0x83, 0x22, 0xE5, 0x6D, 0x45, 0x6C, 0x90, 0x07,
+	0x2F, 0x22, 0xE4, 0xF9, 0xE5, 0x3C, 0xD3, 0x95,
+/*08E0*/0x3E, 0x22, 0x74, 0x80, 0x2E, 0xF5, 0x82, 0xE4,
+	0x34, 0x02, 0xF5, 0x83, 0xE0, 0x22, 0x74, 0xA0,
+/*08F0*/0x2E, 0xF5, 0x82, 0xE4, 0x34, 0x02, 0xF5, 0x83,
+	0xE0, 0x22, 0x74, 0x80, 0x25, 0x6E, 0xF5, 0x82,
+/*0900*/0xE4, 0x34, 0x00, 0x22, 0x25, 0x42, 0xFD, 0xE4,
+	0x33, 0xFC, 0x22, 0x85, 0x42, 0x42, 0x85, 0x41,
+/*0910*/0x41, 0x85, 0x40, 0x40, 0x22, 0xED, 0x4C, 0x60,
+	0x03, 0x02, 0x09, 0xE5, 0xEF, 0x4E, 0x70, 0x37,
+/*0920*/0x90, 0x07, 0x26, 0x12, 0x07, 0x89, 0xE0, 0xFD,
+	0x12, 0x07, 0xCC, 0xED, 0xF0, 0x90, 0x07, 0x28,
+/*0930*/0x12, 0x07, 0x89, 0xE0, 0xFD, 0x12, 0x07, 0xD8,
+	0xED, 0xF0, 0x12, 0x07, 0x86, 0xE0, 0x54, 0x1F,
+/*0940*/0xFD, 0x12, 0x08, 0x81, 0xF5, 0x83, 0xED, 0xF0,
+	0x90, 0x07, 0x24, 0x12, 0x07, 0x89, 0xE0, 0x54,
+/*0950*/0x1F, 0xFD, 0x12, 0x08, 0x35, 0xED, 0xF0, 0xEF,
+	0x64, 0x04, 0x4E, 0x70, 0x37, 0x90, 0x07, 0x26,
+/*0960*/0x12, 0x07, 0x89, 0xE0, 0xFD, 0x12, 0x07, 0xE4,
+	0xED, 0xF0, 0x90, 0x07, 0x28, 0x12, 0x07, 0x89,
+/*0970*/0xE0, 0xFD, 0x12, 0x07, 0xF0, 0xED, 0xF0, 0x12,
+	0x07, 0x86, 0xE0, 0x54, 0x1F, 0xFD, 0x12, 0x08,
+/*0980*/0x8B, 0xF5, 0x83, 0xED, 0xF0, 0x90, 0x07, 0x24,
+	0x12, 0x07, 0x89, 0xE0, 0x54, 0x1F, 0xFD, 0x12,
+/*0990*/0x08, 0x41, 0xED, 0xF0, 0xEF, 0x64, 0x01, 0x4E,
+	0x70, 0x04, 0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00,
+/*09A0*/0xEF, 0x64, 0x02, 0x4E, 0x70, 0x04, 0x7F, 0x01,
+	0x80, 0x02, 0x7F, 0x00, 0xEF, 0x4D, 0x60, 0x78,
+/*09B0*/0x90, 0x07, 0x26, 0x12, 0x07, 0x35, 0xE0, 0xFF,
+	0x12, 0x07, 0xFC, 0xEF, 0x12, 0x07, 0x31, 0xE0,
+/*09C0*/0xFF, 0x12, 0x08, 0x08, 0xEF, 0xF0, 0x90, 0x07,
+	0x22, 0x12, 0x07, 0x35, 0xE0, 0x54, 0x1F, 0xFF,
+/*09D0*/0x12, 0x08, 0x4D, 0xEF, 0xF0, 0x90, 0x07, 0x24,
+	0x12, 0x07, 0x35, 0xE0, 0x54, 0x1F, 0xFF, 0x12,
+/*09E0*/0x08, 0x59, 0xEF, 0xF0, 0x22, 0x12, 0x07, 0xCC,
+	0xE4, 0xF0, 0x12, 0x07, 0xD8, 0xE4, 0xF0, 0x12,
+/*09F0*/0x08, 0x81, 0xF5, 0x83, 0xE4, 0xF0, 0x12, 0x08,
+	0x35, 0x74, 0x14, 0xF0, 0x12, 0x07, 0xE4, 0xE4,
+/*0A00*/0xF0, 0x12, 0x07, 0xF0, 0xE4, 0xF0, 0x12, 0x08,
+	0x8B, 0xF5, 0x83, 0xE4, 0xF0, 0x12, 0x08, 0x41,
+/*0A10*/0x74, 0x14, 0xF0, 0x12, 0x07, 0xFC, 0xE4, 0xF0,
+	0x12, 0x08, 0x08, 0xE4, 0xF0, 0x12, 0x08, 0x4D,
+/*0A20*/0xE4, 0xF0, 0x12, 0x08, 0x59, 0x74, 0x14, 0xF0,
+	0x22, 0x53, 0xF9, 0xF7, 0x75, 0xFC, 0x10, 0xE4,
+/*0A30*/0xF5, 0xFD, 0x75, 0xFE, 0x30, 0xF5, 0xFF, 0xE5,
+	0xE7, 0x20, 0xE7, 0x03, 0x43, 0xF9, 0x08, 0xE5,
+/*0A40*/0xE6, 0x20, 0xE7, 0x0B, 0x78, 0xFF, 0xE4, 0xF6,
+	0xD8, 0xFD, 0x53, 0xE6, 0xFE, 0x80, 0x09, 0x78,
+/*0A50*/0x08, 0xE4, 0xF6, 0xD8, 0xFD, 0x53, 0xE6, 0xFE,
+	0x75, 0x81, 0x80, 0xE4, 0xF5, 0xA8, 0xD2, 0xA8,
+/*0A60*/0xC2, 0xA9, 0xD2, 0xAF, 0xE5, 0xE2, 0x20, 0xE5,
+	0x05, 0x20, 0xE6, 0x02, 0x80, 0x03, 0x43, 0xE1,
+/*0A70*/0x02, 0xE5, 0xE2, 0x20, 0xE0, 0x0E, 0x90, 0x00,
+	0x00, 0x7F, 0x00, 0x7E, 0x08, 0xE4, 0xF0, 0xA3,
+/*0A80*/0xDF, 0xFC, 0xDE, 0xFA, 0x02, 0x0A, 0xDB, 0x43,
+	0xFA, 0x01, 0xC0, 0xE0, 0xC0, 0xF0, 0xC0, 0x83,
+/*0A90*/0xC0, 0x82, 0xC0, 0xD0, 0x12, 0x1C, 0xE7, 0xD0,
+	0xD0, 0xD0, 0x82, 0xD0, 0x83, 0xD0, 0xF0, 0xD0,
+/*0AA0*/0xE0, 0x53, 0xFA, 0xFE, 0x32, 0x02, 0x1B, 0x55,
+	0xE4, 0x93, 0xA3, 0xF8, 0xE4, 0x93, 0xA3, 0xF6,
+/*0AB0*/0x08, 0xDF, 0xF9, 0x80, 0x29, 0xE4, 0x93, 0xA3,
+	0xF8, 0x54, 0x07, 0x24, 0x0C, 0xC8, 0xC3, 0x33,
+/*0AC0*/0xC4, 0x54, 0x0F, 0x44, 0x20, 0xC8, 0x83, 0x40,
+	0x04, 0xF4, 0x56, 0x80, 0x01, 0x46, 0xF6, 0xDF,
+/*0AD0*/0xE4, 0x80, 0x0B, 0x01, 0x02, 0x04, 0x08, 0x10,
+	0x20, 0x40, 0x80, 0x90, 0x00, 0x3F, 0xE4, 0x7E,
+/*0AE0*/0x01, 0x93, 0x60, 0xC1, 0xA3, 0xFF, 0x54, 0x3F,
+	0x30, 0xE5, 0x09, 0x54, 0x1F, 0xFE, 0xE4, 0x93,
+/*0AF0*/0xA3, 0x60, 0x01, 0x0E, 0xCF, 0x54, 0xC0, 0x25,
+	0xE0, 0x60, 0xAD, 0x40, 0xB8, 0x80, 0xFE, 0x8C,
+/*0B00*/0x64, 0x8D, 0x65, 0x8A, 0x66, 0x8B, 0x67, 0xE4,
+	0xF5, 0x69, 0xEF, 0x4E, 0x70, 0x03, 0x02, 0x1D,
+/*0B10*/0x55, 0xE4, 0xF5, 0x68, 0xE5, 0x67, 0x45, 0x66,
+	0x70, 0x32, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x90,
+/*0B20*/0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE4,
+	0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0xE4, 0x12,
+/*0B30*/0x08, 0x70, 0x70, 0x29, 0x12, 0x07, 0x2A, 0x75,
+	0x83, 0x92, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83,
+/*0B40*/0xC6, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC8,
+	0xE4, 0xF0, 0x80, 0x11, 0x90, 0x07, 0x26, 0x12,
+/*0B50*/0x07, 0x35, 0xE4, 0x12, 0x08, 0x70, 0x70, 0x05,
+	0x12, 0x07, 0x32, 0xE4, 0xF0, 0x12, 0x1D, 0x55,
+/*0B60*/0x12, 0x1E, 0xBF, 0xE5, 0x67, 0x45, 0x66, 0x70,
+	0x33, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x90, 0xE5,
+/*0B70*/0x41, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE5,
+	0x41, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0x12,
+/*0B80*/0x08, 0x6E, 0x70, 0x29, 0x12, 0x07, 0x2A, 0x75,
+	0x83, 0x92, 0xE5, 0x40, 0x12, 0x07, 0x29, 0x75,
+/*0B90*/0x83, 0xC6, 0xE5, 0x40, 0x12, 0x07, 0x29, 0x75,
+	0x83, 0xC8, 0x80, 0x0E, 0x90, 0x07, 0x26, 0x12,
+/*0BA0*/0x07, 0x35, 0x12, 0x08, 0x6E, 0x70, 0x06, 0x12,
+	0x07, 0x32, 0xE5, 0x40, 0xF0, 0xAF, 0x69, 0x7E,
+/*0BB0*/0x00, 0xAD, 0x67, 0xAC, 0x66, 0x12, 0x04, 0x44,
+	0x12, 0x07, 0x2A, 0x75, 0x83, 0xCA, 0xE0, 0xD3,
+/*0BC0*/0x94, 0x00, 0x50, 0x0C, 0x05, 0x68, 0xE5, 0x68,
+	0xC3, 0x94, 0x05, 0x50, 0x03, 0x02, 0x0B, 0x14,
+/*0BD0*/0x22, 0x8C, 0x60, 0x8D, 0x61, 0x12, 0x08, 0xDA,
+	0x74, 0x20, 0x40, 0x0D, 0x2F, 0xF5, 0x82, 0x74,
+/*0BE0*/0x03, 0x3E, 0xF5, 0x83, 0xE5, 0x3E, 0xF0, 0x80,
+	0x0B, 0x2F, 0xF5, 0x82, 0x74, 0x03, 0x3E, 0xF5,
+/*0BF0*/0x83, 0xE5, 0x3C, 0xF0, 0xE5, 0x3C, 0xD3, 0x95,
+	0x3E, 0x40, 0x3C, 0xE5, 0x61, 0x45, 0x60, 0x70,
+/*0C00*/0x10, 0xE9, 0x12, 0x09, 0x04, 0xE5, 0x3E, 0x12,
+	0x07, 0x68, 0x40, 0x3B, 0x12, 0x08, 0x95, 0x80,
+/*0C10*/0x18, 0xE5, 0x3E, 0xC3, 0x95, 0x38, 0x40, 0x1D,
+	0x85, 0x3E, 0x38, 0xE5, 0x3E, 0x60, 0x05, 0x85,
+/*0C20*/0x3F, 0x39, 0x80, 0x03, 0x85, 0x39, 0x39, 0x8F,
+	0x3A, 0x12, 0x08, 0x14, 0xE5, 0x3E, 0x12, 0x07,
+/*0C30*/0xC0, 0xE5, 0x3F, 0xF0, 0x22, 0x80, 0x43, 0xE5,
+	0x61, 0x45, 0x60, 0x70, 0x19, 0x12, 0x07, 0x5F,
+/*0C40*/0x40, 0x05, 0x12, 0x08, 0x9E, 0x80, 0x27, 0x12,
+	0x09, 0x0B, 0x12, 0x08, 0x14, 0xE5, 0x42, 0x12,
+/*0C50*/0x07, 0xC0, 0xE5, 0x41, 0xF0, 0x22, 0xE5, 0x3C,
+	0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3C, 0x38,
+/*0C60*/0xE5, 0x3C, 0x60, 0x05, 0x85, 0x3D, 0x39, 0x80,
+	0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12, 0x08,
+/*0C70*/0x14, 0xE5, 0x3C, 0x12, 0x07, 0xC0, 0xE5, 0x3D,
+	0xF0, 0x22, 0x85, 0x38, 0x38, 0x85, 0x39, 0x39,
+/*0C80*/0x85, 0x3A, 0x3A, 0x12, 0x08, 0x14, 0xE5, 0x38,
+	0x12, 0x07, 0xC0, 0xE5, 0x39, 0xF0, 0x22, 0x7F,
+/*0C90*/0x06, 0x12, 0x17, 0x31, 0x12, 0x1D, 0x23, 0x12,
+	0x0E, 0x04, 0x12, 0x0E, 0x33, 0xE0, 0x44, 0x0A,
+/*0CA0*/0xF0, 0x74, 0x8E, 0xFE, 0x12, 0x0E, 0x04, 0x12,
+	0x0E, 0x0B, 0xEF, 0xF0, 0xE5, 0x28, 0x30, 0xE5,
+/*0CB0*/0x03, 0xD3, 0x80, 0x01, 0xC3, 0x40, 0x05, 0x75,
+	0x14, 0x20, 0x80, 0x03, 0x75, 0x14, 0x08, 0x12,
+/*0CC0*/0x0E, 0x04, 0x75, 0x83, 0x8A, 0xE5, 0x14, 0xF0,
+	0xB4, 0xFF, 0x05, 0x75, 0x12, 0x80, 0x80, 0x06,
+/*0CD0*/0xE5, 0x14, 0xC3, 0x13, 0xF5, 0x12, 0xE4, 0xF5,
+	0x16, 0xF5, 0x7F, 0x12, 0x19, 0x36, 0x12, 0x13,
+/*0CE0*/0xA3, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x50, 0x09,
+	0x05, 0x16, 0xE5, 0x16, 0xC3, 0x94, 0x14, 0x40,
+/*0CF0*/0xEA, 0xE5, 0xE4, 0x20, 0xE7, 0x28, 0x12, 0x0E,
+	0x04, 0x75, 0x83, 0xD2, 0xE0, 0x54, 0x08, 0xD3,
+/*0D00*/0x94, 0x00, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
+	0x7F, 0x00, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40,
+/*0D10*/0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF,
+	0x5E, 0x60, 0x03, 0x12, 0x1D, 0xD7, 0xE5, 0x7F,
+/*0D20*/0xC3, 0x94, 0x11, 0x40, 0x14, 0x12, 0x0E, 0x04,
+	0x75, 0x83, 0xD2, 0xE0, 0x44, 0x80, 0xF0, 0xE5,
+/*0D30*/0xE4, 0x20, 0xE7, 0x0F, 0x12, 0x1D, 0xD7, 0x80,
+	0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0xD2, 0xE0,
+/*0D40*/0x54, 0x7F, 0xF0, 0x12, 0x1D, 0x23, 0x22, 0x74,
+	0x8A, 0x85, 0x08, 0x82, 0xF5, 0x83, 0xE5, 0x17,
+/*0D50*/0xF0, 0x12, 0x0E, 0x3A, 0xE4, 0xF0, 0x90, 0x07,
+	0x02, 0xE0, 0x12, 0x0E, 0x17, 0x75, 0x83, 0x90,
+/*0D60*/0xEF, 0xF0, 0x74, 0x92, 0xFE, 0xE5, 0x08, 0x44,
+	0x07, 0xFF, 0xF5, 0x82, 0x8E, 0x83, 0xE0, 0x54,
+/*0D70*/0xC0, 0xFD, 0x90, 0x07, 0x03, 0xE0, 0x54, 0x3F,
+	0x4D, 0x8F, 0x82, 0x8E, 0x83, 0xF0, 0x90, 0x07,
+/*0D80*/0x04, 0xE0, 0x12, 0x0E, 0x17, 0x75, 0x83, 0x82,
+	0xEF, 0xF0, 0x90, 0x07, 0x05, 0xE0, 0xFF, 0xED,
+/*0D90*/0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xB4, 0xEF,
+	0x12, 0x0E, 0x03, 0x75, 0x83, 0x80, 0xE0, 0x54,
+/*0DA0*/0xBF, 0xF0, 0x30, 0x37, 0x0A, 0x12, 0x0E, 0x91,
+	0x75, 0x83, 0x94, 0xE0, 0x44, 0x80, 0xF0, 0x30,
+/*0DB0*/0x38, 0x0A, 0x12, 0x0E, 0x91, 0x75, 0x83, 0x92,
+	0xE0, 0x44, 0x80, 0xF0, 0xE5, 0x28, 0x30, 0xE4,
+/*0DC0*/0x1A, 0x20, 0x39, 0x0A, 0x12, 0x0E, 0x04, 0x75,
+	0x83, 0x88, 0xE0, 0x54, 0x7F, 0xF0, 0x20, 0x3A,
+/*0DD0*/0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0x88, 0xE0,
+	0x54, 0xBF, 0xF0, 0x74, 0x8C, 0xFE, 0x12, 0x0E,
+/*0DE0*/0x04, 0x8E, 0x83, 0xE0, 0x54, 0x0F, 0x12, 0x0E,
+	0x03, 0x75, 0x83, 0x86, 0xE0, 0x54, 0xBF, 0xF0,
+/*0DF0*/0xE5, 0x08, 0x44, 0x06, 0x12, 0x0D, 0xFD, 0x75,
+	0x83, 0x8A, 0xE4, 0xF0, 0x22, 0xF5, 0x82, 0x75,
+/*0E00*/0x83, 0x82, 0xE4, 0xF0, 0xE5, 0x08, 0x44, 0x07,
+	0xF5, 0x82, 0x22, 0x8E, 0x83, 0xE0, 0xF5, 0x10,
+/*0E10*/0x54, 0xFE, 0xF0, 0xE5, 0x10, 0x44, 0x01, 0xFF,
+	0xE5, 0x08, 0xFD, 0xED, 0x44, 0x07, 0xF5, 0x82,
+/*0E20*/0x22, 0xE5, 0x15, 0xC4, 0x54, 0x07, 0xFF, 0xE5,
+	0x08, 0xFD, 0xED, 0x44, 0x08, 0xF5, 0x82, 0x75,
+/*0E30*/0x83, 0x82, 0x22, 0x75, 0x83, 0x80, 0xE0, 0x44,
+	0x40, 0xF0, 0xE5, 0x08, 0x44, 0x08, 0xF5, 0x82,
+/*0E40*/0x75, 0x83, 0x8A, 0x22, 0xE5, 0x16, 0x25, 0xE0,
+	0x25, 0xE0, 0x24, 0xAF, 0xF5, 0x82, 0xE4, 0x34,
+/*0E50*/0x1A, 0xF5, 0x83, 0xE4, 0x93, 0xF5, 0x0D, 0x22,
+	0x43, 0xE1, 0x10, 0x43, 0xE1, 0x80, 0x53, 0xE1,
+/*0E60*/0xFD, 0x85, 0xE1, 0x10, 0x22, 0xE5, 0x16, 0x25,
+	0xE0, 0x25, 0xE0, 0x24, 0xB2, 0xF5, 0x82, 0xE4,
+/*0E70*/0x34, 0x1A, 0xF5, 0x83, 0xE4, 0x93, 0x22, 0x85,
+	0x55, 0x82, 0x85, 0x54, 0x83, 0xE5, 0x15, 0xF0,
+/*0E80*/0x22, 0xE5, 0xE2, 0x54, 0x20, 0xD3, 0x94, 0x00,
+	0x22, 0xE5, 0xE2, 0x54, 0x40, 0xD3, 0x94, 0x00,
+/*0E90*/0x22, 0xE5, 0x08, 0x44, 0x06, 0xF5, 0x82, 0x22,
+	0xFD, 0xE5, 0x08, 0xFB, 0xEB, 0x44, 0x07, 0xF5,
+/*0EA0*/0x82, 0x22, 0x53, 0xF9, 0xF7, 0x75, 0xFE, 0x30,
+	0x22, 0xEF, 0x4E, 0x70, 0x26, 0x12, 0x07, 0xCC,
+/*0EB0*/0xE0, 0xFD, 0x90, 0x07, 0x26, 0x12, 0x07, 0x7B,
+	0x12, 0x07, 0xD8, 0xE0, 0xFD, 0x90, 0x07, 0x28,
+/*0EC0*/0x12, 0x07, 0x7B, 0x12, 0x08, 0x81, 0x12, 0x07,
+	0x72, 0x12, 0x08, 0x35, 0xE0, 0x90, 0x07, 0x24,
+/*0ED0*/0x12, 0x07, 0x78, 0xEF, 0x64, 0x04, 0x4E, 0x70,
+	0x29, 0x12, 0x07, 0xE4, 0xE0, 0xFD, 0x90, 0x07,
+/*0EE0*/0x26, 0x12, 0x07, 0x7B, 0x12, 0x07, 0xF0, 0xE0,
+	0xFD, 0x90, 0x07, 0x28, 0x12, 0x07, 0x7B, 0x12,
+/*0EF0*/0x08, 0x8B, 0x12, 0x07, 0x72, 0x12, 0x08, 0x41,
+	0xE0, 0x54, 0x1F, 0xFD, 0x90, 0x07, 0x24, 0x12,
+/*0F00*/0x07, 0x7B, 0xEF, 0x64, 0x01, 0x4E, 0x70, 0x04,
+	0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00, 0xEF, 0x64,
+/*0F10*/0x02, 0x4E, 0x70, 0x04, 0x7F, 0x01, 0x80, 0x02,
+	0x7F, 0x00, 0xEF, 0x4D, 0x60, 0x35, 0x12, 0x07,
+/*0F20*/0xFC, 0xE0, 0xFF, 0x90, 0x07, 0x26, 0x12, 0x07,
+	0x89, 0xEF, 0xF0, 0x12, 0x08, 0x08, 0xE0, 0xFF,
+/*0F30*/0x90, 0x07, 0x28, 0x12, 0x07, 0x89, 0xEF, 0xF0,
+	0x12, 0x08, 0x4D, 0xE0, 0x54, 0x1F, 0xFF, 0x12,
+/*0F40*/0x07, 0x86, 0xEF, 0xF0, 0x12, 0x08, 0x59, 0xE0,
+	0x54, 0x1F, 0xFF, 0x90, 0x07, 0x24, 0x12, 0x07,
+/*0F50*/0x89, 0xEF, 0xF0, 0x22, 0xE4, 0xF5, 0x53, 0x12,
+	0x0E, 0x81, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
+/*0F60*/0x7F, 0x00, 0x12, 0x0E, 0x89, 0x40, 0x04, 0x7E,
+	0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x70,
+/*0F70*/0x03, 0x02, 0x0F, 0xF6, 0x85, 0xE1, 0x10, 0x43,
+	0xE1, 0x02, 0x53, 0xE1, 0x0F, 0x85, 0xE1, 0x10,
+/*0F80*/0xE4, 0xF5, 0x51, 0xE5, 0xE3, 0x54, 0x3F, 0xF5,
+	0x52, 0x12, 0x0E, 0x89, 0x40, 0x1D, 0xAD, 0x52,
+/*0F90*/0xAF, 0x51, 0x12, 0x11, 0x18, 0xEF, 0x60, 0x08,
+	0x85, 0xE1, 0x10, 0x43, 0xE1, 0x40, 0x80, 0x0B,
+/*0FA0*/0x53, 0xE1, 0xBF, 0x12, 0x0E, 0x58, 0x12, 0x00,
+	0x06, 0x80, 0xFB, 0xE5, 0xE3, 0x54, 0x3F, 0xF5,
+/*0FB0*/0x51, 0xE5, 0xE4, 0x54, 0x3F, 0xF5, 0x52, 0x12,
+	0x0E, 0x81, 0x40, 0x1D, 0xAD, 0x52, 0xAF, 0x51,
+/*0FC0*/0x12, 0x11, 0x18, 0xEF, 0x60, 0x08, 0x85, 0xE1,
+	0x10, 0x43, 0xE1, 0x20, 0x80, 0x0B, 0x53, 0xE1,
+/*0FD0*/0xDF, 0x12, 0x0E, 0x58, 0x12, 0x00, 0x06, 0x80,
+	0xFB, 0x12, 0x0E, 0x81, 0x40, 0x04, 0x7F, 0x01,
+/*0FE0*/0x80, 0x02, 0x7F, 0x00, 0x12, 0x0E, 0x89, 0x40,
+	0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE,
+/*0FF0*/0x4F, 0x60, 0x03, 0x12, 0x0E, 0x5B, 0x22, 0x12,
+	0x0E, 0x21, 0xEF, 0xF0, 0x12, 0x10, 0x91, 0x22,
+/*1000*/0x02, 0x11, 0x00, 0x02, 0x10, 0x40, 0x02, 0x10,
+	0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1010*/0x01, 0x20, 0x01, 0x20, 0xE4, 0xF5, 0x57, 0x12,
+	0x16, 0xBD, 0x12, 0x16, 0x44, 0xE4, 0x12, 0x10,
+/*1020*/0x56, 0x12, 0x14, 0xB7, 0x90, 0x07, 0x26, 0x12,
+	0x07, 0x35, 0xE4, 0x12, 0x07, 0x31, 0xE4, 0xF0,
+/*1030*/0x12, 0x10, 0x56, 0x12, 0x14, 0xB7, 0x90, 0x07,
+	0x26, 0x12, 0x07, 0x35, 0xE5, 0x41, 0x12, 0x07,
+/*1040*/0x31, 0xE5, 0x40, 0xF0, 0xAF, 0x57, 0x7E, 0x00,
+	0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44, 0xAF,
+/*1050*/0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0xFF, 0x90,
+	0x07, 0x20, 0xA3, 0xE0, 0xFD, 0xE4, 0xF5, 0x56,
+/*1060*/0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA, 0x12,
+	0x11, 0x51, 0x7F, 0x0F, 0x7D, 0x18, 0xE4, 0xF5,
+/*1070*/0x56, 0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA,
+	0x12, 0x15, 0x41, 0xAF, 0x56, 0x7E, 0x00, 0x12,
+/*1080*/0x1A, 0xFF, 0xE4, 0xFF, 0xF5, 0x56, 0x7D, 0x1F,
+	0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA, 0x22,
+/*1090*/0x22, 0xE4, 0xF5, 0x55, 0xE5, 0x08, 0xFD, 0x74,
+	0xA0, 0xF5, 0x56, 0xED, 0x44, 0x07, 0xF5, 0x57,
+/*10A0*/0xE5, 0x28, 0x30, 0xE5, 0x03, 0xD3, 0x80, 0x01,
+	0xC3, 0x40, 0x05, 0x7F, 0x28, 0xEF, 0x80, 0x04,
+/*10B0*/0x7F, 0x14, 0xEF, 0xC3, 0x13, 0xF5, 0x54, 0xE4,
+	0xF9, 0x12, 0x0E, 0x18, 0x75, 0x83, 0x8E, 0xE0,
+/*10C0*/0xF5, 0x10, 0xCE, 0xEF, 0xCE, 0xEE, 0xD3, 0x94,
+	0x00, 0x40, 0x26, 0xE5, 0x10, 0x54, 0xFE, 0x12,
+/*10D0*/0x0E, 0x98, 0x75, 0x83, 0x8E, 0xED, 0xF0, 0xE5,
+	0x10, 0x44, 0x01, 0xFD, 0xEB, 0x44, 0x07, 0xF5,
+/*10E0*/0x82, 0xED, 0xF0, 0x85, 0x57, 0x82, 0x85, 0x56,
+	0x83, 0xE0, 0x30, 0xE3, 0x01, 0x09, 0x1E, 0x80,
+/*10F0*/0xD4, 0xC2, 0x34, 0xE9, 0xC3, 0x95, 0x54, 0x40,
+	0x02, 0xD2, 0x34, 0x22, 0x02, 0x00, 0x06, 0x22,
+/*1100*/0x30, 0x30, 0x11, 0x90, 0x10, 0x00, 0xE4, 0x93,
+	0xF5, 0x10, 0x90, 0x10, 0x10, 0xE4, 0x93, 0xF5,
+/*1110*/0x10, 0x12, 0x10, 0x90, 0x12, 0x11, 0x50, 0x22,
+	0xE4, 0xFC, 0xC3, 0xED, 0x9F, 0xFA, 0xEF, 0xF5,
+/*1120*/0x83, 0x75, 0x82, 0x00, 0x79, 0xFF, 0xE4, 0x93,
+	0xCC, 0x6C, 0xCC, 0xA3, 0xD9, 0xF8, 0xDA, 0xF6,
+/*1130*/0xE5, 0xE2, 0x30, 0xE4, 0x02, 0x8C, 0xE5, 0xED,
+	0x24, 0xFF, 0xFF, 0xEF, 0x75, 0x82, 0xFF, 0xF5,
+/*1140*/0x83, 0xE4, 0x93, 0x6C, 0x70, 0x03, 0x7F, 0x01,
+	0x22, 0x7F, 0x00, 0x22, 0x22, 0x11, 0x00, 0x00,
+/*1150*/0x22, 0x8E, 0x58, 0x8F, 0x59, 0x8C, 0x5A, 0x8D,
+	0x5B, 0x8A, 0x5C, 0x8B, 0x5D, 0x75, 0x5E, 0x01,
+/*1160*/0xE4, 0xF5, 0x5F, 0xF5, 0x60, 0xF5, 0x62, 0x12,
+	0x07, 0x2A, 0x75, 0x83, 0xD0, 0xE0, 0xFF, 0xC4,
+/*1170*/0x54, 0x0F, 0xF5, 0x61, 0x12, 0x1E, 0xA5, 0x85,
+	0x59, 0x5E, 0xD3, 0xE5, 0x5E, 0x95, 0x5B, 0xE5,
+/*1180*/0x5A, 0x12, 0x07, 0x6B, 0x50, 0x4B, 0x12, 0x07,
+	0x03, 0x75, 0x83, 0xBC, 0xE0, 0x45, 0x5E, 0x12,
+/*1190*/0x07, 0x29, 0x75, 0x83, 0xBE, 0xE0, 0x45, 0x5E,
+	0x12, 0x07, 0x29, 0x75, 0x83, 0xC0, 0xE0, 0x45,
+/*11A0*/0x5E, 0xF0, 0xAF, 0x5F, 0xE5, 0x60, 0x12, 0x08,
+	0x78, 0x12, 0x0A, 0xFF, 0xAF, 0x62, 0x7E, 0x00,
+/*11B0*/0xAD, 0x5D, 0xAC, 0x5C, 0x12, 0x04, 0x44, 0xE5,
+	0x61, 0xAF, 0x5E, 0x7E, 0x00, 0xB4, 0x03, 0x05,
+/*11C0*/0x12, 0x1E, 0x21, 0x80, 0x07, 0xAD, 0x5D, 0xAC,
+	0x5C, 0x12, 0x13, 0x17, 0x05, 0x5E, 0x02, 0x11,
+/*11D0*/0x7A, 0x12, 0x07, 0x03, 0x75, 0x83, 0xBC, 0xE0,
+	0x45, 0x40, 0x12, 0x07, 0x29, 0x75, 0x83, 0xBE,
+/*11E0*/0xE0, 0x45, 0x40, 0x12, 0x07, 0x29, 0x75, 0x83,
+	0xC0, 0xE0, 0x45, 0x40, 0xF0, 0x22, 0x8E, 0x58,
+/*11F0*/0x8F, 0x59, 0x75, 0x5A, 0x01, 0x79, 0x01, 0x75,
+	0x5B, 0x01, 0xE4, 0xFB, 0x12, 0x07, 0x2A, 0x75,
+/*1200*/0x83, 0xAE, 0xE0, 0x54, 0x1A, 0xFF, 0x12, 0x08,
+	0x65, 0xE0, 0xC4, 0x13, 0x54, 0x07, 0xFE, 0xEF,
+/*1210*/0x70, 0x0C, 0xEE, 0x65, 0x35, 0x70, 0x07, 0x90,
+	0x07, 0x2F, 0xE0, 0xB4, 0x01, 0x0D, 0xAF, 0x35,
+/*1220*/0x7E, 0x00, 0x12, 0x0E, 0xA9, 0xCF, 0xEB, 0xCF,
+	0x02, 0x1E, 0x60, 0xE5, 0x59, 0x64, 0x02, 0x45,
+/*1230*/0x58, 0x70, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F,
+	0x00, 0xE5, 0x59, 0x45, 0x58, 0x70, 0x04, 0x7E,
+/*1240*/0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x60,
+	0x23, 0x85, 0x41, 0x49, 0x85, 0x40, 0x4B, 0xE5,
+/*1250*/0x59, 0x45, 0x58, 0x70, 0x2C, 0xAF, 0x5A, 0xFE,
+	0xCD, 0xE9, 0xCD, 0xFC, 0xAB, 0x59, 0xAA, 0x58,
+/*1260*/0x12, 0x0A, 0xFF, 0xAF, 0x5B, 0x7E, 0x00, 0x12,
+	0x1E, 0x60, 0x80, 0x15, 0xAF, 0x5B, 0x7E, 0x00,
+/*1270*/0x12, 0x1E, 0x60, 0x90, 0x07, 0x26, 0x12, 0x07,
+	0x35, 0xE5, 0x49, 0x12, 0x07, 0x31, 0xE5, 0x4B,
+/*1280*/0xF0, 0xE4, 0xFD, 0xAF, 0x35, 0xFE, 0xFC, 0x12,
+	0x09, 0x15, 0x22, 0x8C, 0x64, 0x8D, 0x65, 0x12,
+/*1290*/0x08, 0xDA, 0x40, 0x3C, 0xE5, 0x65, 0x45, 0x64,
+	0x70, 0x10, 0x12, 0x09, 0x04, 0xC3, 0xE5, 0x3E,
+/*12A0*/0x12, 0x07, 0x69, 0x40, 0x3B, 0x12, 0x08, 0x95,
+	0x80, 0x18, 0xE5, 0x3E, 0xC3, 0x95, 0x38, 0x40,
+/*12B0*/0x1D, 0x85, 0x3E, 0x38, 0xE5, 0x3E, 0x60, 0x05,
+	0x85, 0x3F, 0x39, 0x80, 0x03, 0x85, 0x39, 0x39,
+/*12C0*/0x8F, 0x3A, 0x12, 0x07, 0xA8, 0xE5, 0x3E, 0x12,
+	0x07, 0x53, 0xE5, 0x3F, 0xF0, 0x22, 0x80, 0x3B,
+/*12D0*/0xE5, 0x65, 0x45, 0x64, 0x70, 0x11, 0x12, 0x07,
+	0x5F, 0x40, 0x05, 0x12, 0x08, 0x9E, 0x80, 0x1F,
+/*12E0*/0x12, 0x07, 0x3E, 0xE5, 0x41, 0xF0, 0x22, 0xE5,
+	0x3C, 0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3C,
+/*12F0*/0x38, 0xE5, 0x3C, 0x60, 0x05, 0x85, 0x3D, 0x39,
+	0x80, 0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12,
+/*1300*/0x07, 0xA8, 0xE5, 0x3C, 0x12, 0x07, 0x53, 0xE5,
+	0x3D, 0xF0, 0x22, 0x12, 0x07, 0x9F, 0xE5, 0x38,
+/*1310*/0x12, 0x07, 0x53, 0xE5, 0x39, 0xF0, 0x22, 0x8C,
+	0x63, 0x8D, 0x64, 0x12, 0x08, 0xDA, 0x40, 0x3C,
+/*1320*/0xE5, 0x64, 0x45, 0x63, 0x70, 0x10, 0x12, 0x09,
+	0x04, 0xC3, 0xE5, 0x3E, 0x12, 0x07, 0x69, 0x40,
+/*1330*/0x3B, 0x12, 0x08, 0x95, 0x80, 0x18, 0xE5, 0x3E,
+	0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3E, 0x38,
+/*1340*/0xE5, 0x3E, 0x60, 0x05, 0x85, 0x3F, 0x39, 0x80,
+	0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12, 0x07,
+/*1350*/0xA8, 0xE5, 0x3E, 0x12, 0x07, 0x53, 0xE5, 0x3F,
+	0xF0, 0x22, 0x80, 0x3B, 0xE5, 0x64, 0x45, 0x63,
+/*1360*/0x70, 0x11, 0x12, 0x07, 0x5F, 0x40, 0x05, 0x12,
+	0x08, 0x9E, 0x80, 0x1F, 0x12, 0x07, 0x3E, 0xE5,
+/*1370*/0x41, 0xF0, 0x22, 0xE5, 0x3C, 0xC3, 0x95, 0x38,
+	0x40, 0x1D, 0x85, 0x3C, 0x38, 0xE5, 0x3C, 0x60,
+/*1380*/0x05, 0x85, 0x3D, 0x39, 0x80, 0x03, 0x85, 0x39,
+	0x39, 0x8F, 0x3A, 0x12, 0x07, 0xA8, 0xE5, 0x3C,
+/*1390*/0x12, 0x07, 0x53, 0xE5, 0x3D, 0xF0, 0x22, 0x12,
+	0x07, 0x9F, 0xE5, 0x38, 0x12, 0x07, 0x53, 0xE5,
+/*13A0*/0x39, 0xF0, 0x22, 0xE5, 0x0D, 0xFE, 0xE5, 0x08,
+	0x8E, 0x54, 0x44, 0x05, 0xF5, 0x55, 0x75, 0x15,
+/*13B0*/0x0F, 0xF5, 0x82, 0x12, 0x0E, 0x7A, 0x12, 0x17,
+	0xA3, 0x20, 0x31, 0x05, 0x75, 0x15, 0x03, 0x80,
+/*13C0*/0x03, 0x75, 0x15, 0x0B, 0xE5, 0x0A, 0xC3, 0x94,
+	0x01, 0x50, 0x38, 0x12, 0x14, 0x20, 0x20, 0x31,
+/*13D0*/0x06, 0x05, 0x15, 0x05, 0x15, 0x80, 0x04, 0x15,
+	0x15, 0x15, 0x15, 0xE5, 0x0A, 0xC3, 0x94, 0x01,
+/*13E0*/0x50, 0x21, 0x12, 0x14, 0x20, 0x20, 0x31, 0x04,
+	0x05, 0x15, 0x80, 0x02, 0x15, 0x15, 0xE5, 0x0A,
+/*13F0*/0xC3, 0x94, 0x01, 0x50, 0x0E, 0x12, 0x0E, 0x77,
+	0x12, 0x17, 0xA3, 0x20, 0x31, 0x05, 0x05, 0x15,
+/*1400*/0x12, 0x0E, 0x77, 0xE5, 0x15, 0xB4, 0x08, 0x04,
+	0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x15,
+/*1410*/0xB4, 0x07, 0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E,
+	0x00, 0xEE, 0x4F, 0x60, 0x02, 0x05, 0x7F, 0x22,
+/*1420*/0x85, 0x55, 0x82, 0x85, 0x54, 0x83, 0xE5, 0x15,
+	0xF0, 0x12, 0x17, 0xA3, 0x22, 0x12, 0x07, 0x2A,
+/*1430*/0x75, 0x83, 0xAE, 0x74, 0xFF, 0x12, 0x07, 0x29,
+	0xE0, 0x54, 0x1A, 0xF5, 0x34, 0xE0, 0xC4, 0x13,
+/*1440*/0x54, 0x07, 0xF5, 0x35, 0x24, 0xFE, 0x60, 0x24,
+	0x24, 0xFE, 0x60, 0x3C, 0x24, 0x04, 0x70, 0x63,
+/*1450*/0x75, 0x31, 0x2D, 0xE5, 0x08, 0xFD, 0x74, 0xB6,
+	0x12, 0x07, 0x92, 0x74, 0xBC, 0x90, 0x07, 0x22,
+/*1460*/0x12, 0x07, 0x95, 0x74, 0x90, 0x12, 0x07, 0xB3,
+	0x74, 0x92, 0x80, 0x3C, 0x75, 0x31, 0x3A, 0xE5,
+/*1470*/0x08, 0xFD, 0x74, 0xBA, 0x12, 0x07, 0x92, 0x74,
+	0xC0, 0x90, 0x07, 0x22, 0x12, 0x07, 0xB6, 0x74,
+/*1480*/0xC4, 0x12, 0x07, 0xB3, 0x74, 0xC8, 0x80, 0x20,
+	0x75, 0x31, 0x35, 0xE5, 0x08, 0xFD, 0x74, 0xB8,
+/*1490*/0x12, 0x07, 0x92, 0x74, 0xBE, 0xFF, 0xED, 0x44,
+	0x07, 0x90, 0x07, 0x22, 0xCF, 0xF0, 0xA3, 0xEF,
+/*14A0*/0xF0, 0x74, 0xC2, 0x12, 0x07, 0xB3, 0x74, 0xC6,
+	0xFF, 0xED, 0x44, 0x07, 0xA3, 0xCF, 0xF0, 0xA3,
+/*14B0*/0xEF, 0xF0, 0x22, 0x75, 0x34, 0x01, 0x22, 0x8E,
+	0x58, 0x8F, 0x59, 0x8C, 0x5A, 0x8D, 0x5B, 0x8A,
+/*14C0*/0x5C, 0x8B, 0x5D, 0x75, 0x5E, 0x01, 0xE4, 0xF5,
+	0x5F, 0x12, 0x1E, 0xA5, 0x85, 0x59, 0x5E, 0xD3,
+/*14D0*/0xE5, 0x5E, 0x95, 0x5B, 0xE5, 0x5A, 0x12, 0x07,
+	0x6B, 0x50, 0x57, 0xE5, 0x5D, 0x45, 0x5C, 0x70,
+/*14E0*/0x30, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x92, 0xE5,
+	0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC6, 0xE5,
+/*14F0*/0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC8, 0xE5,
+	0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0x90, 0xE5,
+/*1500*/0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE5,
+	0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0x80,
+/*1510*/0x03, 0x12, 0x07, 0x32, 0xE5, 0x5E, 0xF0, 0xAF,
+	0x5F, 0x7E, 0x00, 0xAD, 0x5D, 0xAC, 0x5C, 0x12,
+/*1520*/0x04, 0x44, 0xAF, 0x5E, 0x7E, 0x00, 0xAD, 0x5D,
+	0xAC, 0x5C, 0x12, 0x0B, 0xD1, 0x05, 0x5E, 0x02,
+/*1530*/0x14, 0xCF, 0xAB, 0x5D, 0xAA, 0x5C, 0xAD, 0x5B,
+	0xAC, 0x5A, 0xAF, 0x59, 0xAE, 0x58, 0x02, 0x1B,
+/*1540*/0xFB, 0x8C, 0x5C, 0x8D, 0x5D, 0x8A, 0x5E, 0x8B,
+	0x5F, 0x75, 0x60, 0x01, 0xE4, 0xF5, 0x61, 0xF5,
+/*1550*/0x62, 0xF5, 0x63, 0x12, 0x1E, 0xA5, 0x8F, 0x60,
+	0xD3, 0xE5, 0x60, 0x95, 0x5D, 0xE5, 0x5C, 0x12,
+/*1560*/0x07, 0x6B, 0x50, 0x61, 0xE5, 0x5F, 0x45, 0x5E,
+	0x70, 0x27, 0x12, 0x07, 0x2A, 0x75, 0x83, 0xB6,
+/*1570*/0xE5, 0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0xB8,
+	0xE5, 0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0xBA,
+/*1580*/0xE5, 0x60, 0xF0, 0xAF, 0x61, 0x7E, 0x00, 0xE5,
+	0x62, 0x12, 0x08, 0x7A, 0x12, 0x0A, 0xFF, 0x80,
+/*1590*/0x19, 0x90, 0x07, 0x24, 0x12, 0x07, 0x35, 0xE5,
+	0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0x8E, 0xE4,
+/*15A0*/0x12, 0x07, 0x29, 0x74, 0x01, 0x12, 0x07, 0x29,
+	0xE4, 0xF0, 0xAF, 0x63, 0x7E, 0x00, 0xAD, 0x5F,
+/*15B0*/0xAC, 0x5E, 0x12, 0x04, 0x44, 0xAF, 0x60, 0x7E,
+	0x00, 0xAD, 0x5F, 0xAC, 0x5E, 0x12, 0x12, 0x8B,
+/*15C0*/0x05, 0x60, 0x02, 0x15, 0x58, 0x22, 0x90, 0x11,
+	0x4D, 0xE4, 0x93, 0x90, 0x07, 0x2E, 0xF0, 0x12,
+/*15D0*/0x08, 0x1F, 0x75, 0x83, 0xAE, 0xE0, 0x54, 0x1A,
+	0xF5, 0x34, 0x70, 0x67, 0xEF, 0x44, 0x07, 0xF5,
+/*15E0*/0x82, 0x75, 0x83, 0xCE, 0xE0, 0xFF, 0x13, 0x13,
+	0x13, 0x54, 0x07, 0xF5, 0x36, 0x54, 0x0F, 0xD3,
+/*15F0*/0x94, 0x00, 0x40, 0x06, 0x12, 0x14, 0x2D, 0x12,
+	0x1B, 0xA9, 0xE5, 0x36, 0x54, 0x0F, 0x24, 0xFE,
+/*1600*/0x60, 0x0C, 0x14, 0x60, 0x0C, 0x14, 0x60, 0x19,
+	0x24, 0x03, 0x70, 0x37, 0x80, 0x10, 0x02, 0x1E,
+/*1610*/0x91, 0x12, 0x1E, 0x91, 0x12, 0x07, 0x2A, 0x75,
+	0x83, 0xCE, 0xE0, 0x54, 0xEF, 0xF0, 0x02, 0x1D,
+/*1620*/0xAE, 0x12, 0x10, 0x14, 0xE4, 0xF5, 0x55, 0x12,
+	0x1D, 0x85, 0x05, 0x55, 0xE5, 0x55, 0xC3, 0x94,
+/*1630*/0x05, 0x40, 0xF4, 0x12, 0x07, 0x2A, 0x75, 0x83,
+	0xCE, 0xE0, 0x54, 0xC7, 0x12, 0x07, 0x29, 0xE0,
+/*1640*/0x44, 0x08, 0xF0, 0x22, 0xE4, 0xF5, 0x58, 0xF5,
+	0x59, 0xAF, 0x08, 0xEF, 0x44, 0x07, 0xF5, 0x82,
+/*1650*/0x75, 0x83, 0xD0, 0xE0, 0xFD, 0xC4, 0x54, 0x0F,
+	0xF5, 0x5A, 0xEF, 0x44, 0x07, 0xF5, 0x82, 0x75,
+/*1660*/0x83, 0x80, 0x74, 0x01, 0xF0, 0x12, 0x08, 0x21,
+	0x75, 0x83, 0x82, 0xE5, 0x45, 0xF0, 0xEF, 0x44,
+/*1670*/0x07, 0xF5, 0x82, 0x75, 0x83, 0x8A, 0x74, 0xFF,
+	0xF0, 0x12, 0x1A, 0x4D, 0x12, 0x07, 0x2A, 0x75,
+/*1680*/0x83, 0xBC, 0xE0, 0x54, 0xEF, 0x12, 0x07, 0x29,
+	0x75, 0x83, 0xBE, 0xE0, 0x54, 0xEF, 0x12, 0x07,
+/*1690*/0x29, 0x75, 0x83, 0xC0, 0xE0, 0x54, 0xEF, 0x12,
+	0x07, 0x29, 0x75, 0x83, 0xBC, 0xE0, 0x44, 0x10,
+/*16A0*/0x12, 0x07, 0x29, 0x75, 0x83, 0xBE, 0xE0, 0x44,
+	0x10, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC0, 0xE0,
+/*16B0*/0x44, 0x10, 0xF0, 0xAF, 0x58, 0xE5, 0x59, 0x12,
+	0x08, 0x78, 0x02, 0x0A, 0xFF, 0xE4, 0xF5, 0x58,
+/*16C0*/0x7D, 0x01, 0xF5, 0x59, 0xAF, 0x35, 0xFE, 0xFC,
+	0x12, 0x09, 0x15, 0x12, 0x07, 0x2A, 0x75, 0x83,
+/*16D0*/0xB6, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+	0xB8, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+/*16E0*/0xBA, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+	0xBC, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+/*16F0*/0xBE, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+	0xC0, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+/*1700*/0x90, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2,
+	0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0xE4,
+/*1710*/0x12, 0x07, 0x29, 0x75, 0x83, 0x92, 0xE4, 0x12,
+	0x07, 0x29, 0x75, 0x83, 0xC6, 0xE4, 0x12, 0x07,
+/*1720*/0x29, 0x75, 0x83, 0xC8, 0xE4, 0xF0, 0xAF, 0x58,
+	0xFE, 0xE5, 0x59, 0x12, 0x08, 0x7A, 0x02, 0x0A,
+/*1730*/0xFF, 0xE5, 0xE2, 0x30, 0xE4, 0x6C, 0xE5, 0xE7,
+	0x54, 0xC0, 0x64, 0x40, 0x70, 0x64, 0xE5, 0x09,
+/*1740*/0xC4, 0x54, 0x30, 0xFE, 0xE5, 0x08, 0x25, 0xE0,
+	0x25, 0xE0, 0x54, 0xC0, 0x4E, 0xFE, 0xEF, 0x54,
+/*1750*/0x3F, 0x4E, 0xFD, 0xE5, 0x2B, 0xAE, 0x2A, 0x78,
+	0x02, 0xC3, 0x33, 0xCE, 0x33, 0xCE, 0xD8, 0xF9,
+/*1760*/0xF5, 0x82, 0x8E, 0x83, 0xED, 0xF0, 0xE5, 0x2B,
+	0xAE, 0x2A, 0x78, 0x02, 0xC3, 0x33, 0xCE, 0x33,
+/*1770*/0xCE, 0xD8, 0xF9, 0xFF, 0xF5, 0x82, 0x8E, 0x83,
+	0xA3, 0xE5, 0xFE, 0xF0, 0x8F, 0x82, 0x8E, 0x83,
+/*1780*/0xA3, 0xA3, 0xE5, 0xFD, 0xF0, 0x8F, 0x82, 0x8E,
+	0x83, 0xA3, 0xA3, 0xA3, 0xE5, 0xFC, 0xF0, 0xC3,
+/*1790*/0xE5, 0x2B, 0x94, 0xFA, 0xE5, 0x2A, 0x94, 0x00,
+	0x50, 0x08, 0x05, 0x2B, 0xE5, 0x2B, 0x70, 0x02,
+/*17A0*/0x05, 0x2A, 0x22, 0xE4, 0xFF, 0xE4, 0xF5, 0x58,
+	0xF5, 0x56, 0xF5, 0x57, 0x74, 0x82, 0xFC, 0x12,
+/*17B0*/0x0E, 0x04, 0x8C, 0x83, 0xE0, 0xF5, 0x10, 0x54,
+	0x7F, 0xF0, 0xE5, 0x10, 0x44, 0x80, 0x12, 0x0E,
+/*17C0*/0x98, 0xED, 0xF0, 0x7E, 0x0A, 0x12, 0x0E, 0x04,
+	0x75, 0x83, 0xA0, 0xE0, 0x20, 0xE0, 0x26, 0xDE,
+/*17D0*/0xF4, 0x05, 0x57, 0xE5, 0x57, 0x70, 0x02, 0x05,
+	0x56, 0xE5, 0x14, 0x24, 0x01, 0xFD, 0xE4, 0x33,
+/*17E0*/0xFC, 0xD3, 0xE5, 0x57, 0x9D, 0xE5, 0x56, 0x9C,
+	0x40, 0xD9, 0xE5, 0x0A, 0x94, 0x20, 0x50, 0x02,
+/*17F0*/0x05, 0x0A, 0x43, 0xE1, 0x08, 0xC2, 0x31, 0x12,
+	0x0E, 0x04, 0x75, 0x83, 0xA6, 0xE0, 0x55, 0x12,
+/*1800*/0x65, 0x12, 0x70, 0x03, 0xD2, 0x31, 0x22, 0xC2,
+	0x31, 0x22, 0x90, 0x07, 0x26, 0xE0, 0xFA, 0xA3,
+/*1810*/0xE0, 0xF5, 0x82, 0x8A, 0x83, 0xE0, 0xF5, 0x41,
+	0xE5, 0x39, 0xC3, 0x95, 0x41, 0x40, 0x26, 0xE5,
+/*1820*/0x39, 0x95, 0x41, 0xC3, 0x9F, 0xEE, 0x12, 0x07,
+	0x6B, 0x40, 0x04, 0x7C, 0x01, 0x80, 0x02, 0x7C,
+/*1830*/0x00, 0xE5, 0x41, 0x64, 0x3F, 0x60, 0x04, 0x7B,
+	0x01, 0x80, 0x02, 0x7B, 0x00, 0xEC, 0x5B, 0x60,
+/*1840*/0x29, 0x05, 0x41, 0x80, 0x28, 0xC3, 0xE5, 0x41,
+	0x95, 0x39, 0xC3, 0x9F, 0xEE, 0x12, 0x07, 0x6B,
+/*1850*/0x40, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00,
+	0xE5, 0x41, 0x60, 0x04, 0x7E, 0x01, 0x80, 0x02,
+/*1860*/0x7E, 0x00, 0xEF, 0x5E, 0x60, 0x04, 0x15, 0x41,
+	0x80, 0x03, 0x85, 0x39, 0x41, 0x85, 0x3A, 0x40,
+/*1870*/0x22, 0xE5, 0xE2, 0x30, 0xE4, 0x60, 0xE5, 0xE1,
+	0x30, 0xE2, 0x5B, 0xE5, 0x09, 0x70, 0x04, 0x7F,
+/*1880*/0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x08, 0x70,
+	0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE,
+/*1890*/0x5F, 0x60, 0x43, 0x53, 0xF9, 0xF8, 0xE5, 0xE2,
+	0x30, 0xE4, 0x3B, 0xE5, 0xE1, 0x30, 0xE2, 0x2E,
+/*18A0*/0x43, 0xFA, 0x02, 0x53, 0xFA, 0xFB, 0xE4, 0xF5,
+	0x10, 0x90, 0x94, 0x70, 0xE5, 0x10, 0xF0, 0xE5,
+/*18B0*/0xE1, 0x30, 0xE2, 0xE7, 0x90, 0x94, 0x70, 0xE0,
+	0x65, 0x10, 0x60, 0x03, 0x43, 0xFA, 0x04, 0x05,
+/*18C0*/0x10, 0x90, 0x94, 0x70, 0xE5, 0x10, 0xF0, 0x70,
+	0xE6, 0x12, 0x00, 0x06, 0x80, 0xE1, 0x53, 0xFA,
+/*18D0*/0xFD, 0x53, 0xFA, 0xFB, 0x80, 0xC0, 0x22, 0x8F,
+	0x54, 0x12, 0x00, 0x06, 0xE5, 0xE1, 0x30, 0xE0,
+/*18E0*/0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5,
+	0x7E, 0xD3, 0x94, 0x05, 0x40, 0x04, 0x7E, 0x01,
+/*18F0*/0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x60, 0x3D,
+	0x85, 0x54, 0x11, 0xE5, 0xE2, 0x20, 0xE1, 0x32,
+/*1900*/0x74, 0xCE, 0x12, 0x1A, 0x05, 0x30, 0xE7, 0x04,
+	0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00, 0x8F, 0x82,
+/*1910*/0x8E, 0x83, 0xE0, 0x30, 0xE6, 0x04, 0x7F, 0x01,
+	0x80, 0x02, 0x7F, 0x00, 0xEF, 0x5D, 0x70, 0x15,
+/*1920*/0x12, 0x15, 0xC6, 0x74, 0xCE, 0x12, 0x1A, 0x05,
+	0x30, 0xE6, 0x07, 0xE0, 0x44, 0x80, 0xF0, 0x43,
+/*1930*/0xF9, 0x80, 0x12, 0x18, 0x71, 0x22, 0x12, 0x0E,
+	0x44, 0xE5, 0x16, 0x25, 0xE0, 0x25, 0xE0, 0x24,
+/*1940*/0xB0, 0xF5, 0x82, 0xE4, 0x34, 0x1A, 0xF5, 0x83,
+	0xE4, 0x93, 0xF5, 0x0F, 0xE5, 0x16, 0x25, 0xE0,
+/*1950*/0x25, 0xE0, 0x24, 0xB1, 0xF5, 0x82, 0xE4, 0x34,
+	0x1A, 0xF5, 0x83, 0xE4, 0x93, 0xF5, 0x0E, 0x12,
+/*1960*/0x0E, 0x65, 0xF5, 0x10, 0xE5, 0x0F, 0x54, 0xF0,
+	0x12, 0x0E, 0x17, 0x75, 0x83, 0x8C, 0xEF, 0xF0,
+/*1970*/0xE5, 0x0F, 0x30, 0xE0, 0x0C, 0x12, 0x0E, 0x04,
+	0x75, 0x83, 0x86, 0xE0, 0x44, 0x40, 0xF0, 0x80,
+/*1980*/0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0x86, 0xE0,
+	0x54, 0xBF, 0xF0, 0x12, 0x0E, 0x91, 0x75, 0x83,
+/*1990*/0x82, 0xE5, 0x0E, 0xF0, 0x22, 0x7F, 0x05, 0x12,
+	0x17, 0x31, 0x12, 0x0E, 0x04, 0x12, 0x0E, 0x33,
+/*19A0*/0x74, 0x02, 0xF0, 0x74, 0x8E, 0xFE, 0x12, 0x0E,
+	0x04, 0x12, 0x0E, 0x0B, 0xEF, 0xF0, 0x75, 0x15,
+/*19B0*/0x70, 0x12, 0x0F, 0xF7, 0x20, 0x34, 0x05, 0x75,
+	0x15, 0x10, 0x80, 0x03, 0x75, 0x15, 0x50, 0x12,
+/*19C0*/0x0F, 0xF7, 0x20, 0x34, 0x04, 0x74, 0x10, 0x80,
+	0x02, 0x74, 0xF0, 0x25, 0x15, 0xF5, 0x15, 0x12,
+/*19D0*/0x0E, 0x21, 0xEF, 0xF0, 0x12, 0x10, 0x91, 0x20,
+	0x34, 0x17, 0xE5, 0x15, 0x64, 0x30, 0x60, 0x0C,
+/*19E0*/0x74, 0x10, 0x25, 0x15, 0xF5, 0x15, 0xB4, 0x80,
+	0x03, 0xE4, 0xF5, 0x15, 0x12, 0x0E, 0x21, 0xEF,
+/*19F0*/0xF0, 0x22, 0xF0, 0xE5, 0x0B, 0x25, 0xE0, 0x25,
+	0xE0, 0x24, 0x82, 0xF5, 0x82, 0xE4, 0x34, 0x07,
+/*1A00*/0xF5, 0x83, 0x22, 0x74, 0x88, 0xFE, 0xE5, 0x08,
+	0x44, 0x07, 0xFF, 0xF5, 0x82, 0x8E, 0x83, 0xE0,
+/*1A10*/0x22, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82,
+	0x22, 0xF0, 0xE0, 0x54, 0xC0, 0x8F, 0x82, 0x8E,
+/*1A20*/0x83, 0xF0, 0x22, 0xEF, 0x44, 0x07, 0xF5, 0x82,
+	0x75, 0x83, 0x86, 0xE0, 0x54, 0x10, 0xD3, 0x94,
+/*1A30*/0x00, 0x22, 0xF0, 0x90, 0x07, 0x15, 0xE0, 0x04,
+	0xF0, 0x22, 0x44, 0x06, 0xF5, 0x82, 0x75, 0x83,
+/*1A40*/0x9E, 0xE0, 0x22, 0xFE, 0xEF, 0x44, 0x07, 0xF5,
+	0x82, 0x8E, 0x83, 0xE0, 0x22, 0xE4, 0x90, 0x07,
+/*1A50*/0x2A, 0xF0, 0xA3, 0xF0, 0x12, 0x07, 0x2A, 0x75,
+	0x83, 0x82, 0xE0, 0x54, 0x7F, 0x12, 0x07, 0x29,
+/*1A60*/0xE0, 0x44, 0x80, 0xF0, 0x12, 0x10, 0xFC, 0x12,
+	0x08, 0x1F, 0x75, 0x83, 0xA0, 0xE0, 0x20, 0xE0,
+/*1A70*/0x1A, 0x90, 0x07, 0x2B, 0xE0, 0x04, 0xF0, 0x70,
+	0x06, 0x90, 0x07, 0x2A, 0xE0, 0x04, 0xF0, 0x90,
+/*1A80*/0x07, 0x2A, 0xE0, 0xB4, 0x10, 0xE1, 0xA3, 0xE0,
+	0xB4, 0x00, 0xDC, 0xEE, 0x44, 0xA6, 0xFC, 0xEF,
+/*1A90*/0x44, 0x07, 0xF5, 0x82, 0x8C, 0x83, 0xE0, 0xF5,
+	0x32, 0xEE, 0x44, 0xA8, 0xFE, 0xEF, 0x44, 0x07,
+/*1AA0*/0xF5, 0x82, 0x8E, 0x83, 0xE0, 0xF5, 0x33, 0x22,
+	0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x90,
+/*1AB0*/0x00, 0x20, 0x0F, 0x92, 0x00, 0x21, 0x0F, 0x94,
+	0x00, 0x22, 0x0F, 0x96, 0x00, 0x23, 0x0F, 0x98,
+/*1AC0*/0x00, 0x24, 0x0F, 0x9A, 0x00, 0x25, 0x0F, 0x9C,
+	0x00, 0x26, 0x0F, 0x9E, 0x00, 0x27, 0x0F, 0xA0,
+/*1AD0*/0x01, 0x20, 0x01, 0xA2, 0x01, 0x21, 0x01, 0xA4,
+	0x01, 0x22, 0x01, 0xA6, 0x01, 0x23, 0x01, 0xA8,
+/*1AE0*/0x01, 0x24, 0x01, 0xAA, 0x01, 0x25, 0x01, 0xAC,
+	0x01, 0x26, 0x01, 0xAE, 0x01, 0x27, 0x01, 0xB0,
+/*1AF0*/0x01, 0x28, 0x01, 0xB4, 0x00, 0x28, 0x0F, 0xB6,
+	0x40, 0x28, 0x0F, 0xB8, 0x61, 0x28, 0x01, 0xCB,
+/*1B00*/0xEF, 0xCB, 0xCA, 0xEE, 0xCA, 0x7F, 0x01, 0xE4,
+	0xFD, 0xEB, 0x4A, 0x70, 0x24, 0xE5, 0x08, 0xF5,
+/*1B10*/0x82, 0x74, 0xB6, 0x12, 0x08, 0x29, 0xE5, 0x08,
+	0xF5, 0x82, 0x74, 0xB8, 0x12, 0x08, 0x29, 0xE5,
+/*1B20*/0x08, 0xF5, 0x82, 0x74, 0xBA, 0x12, 0x08, 0x29,
+	0x7E, 0x00, 0x7C, 0x00, 0x12, 0x0A, 0xFF, 0x80,
+/*1B30*/0x12, 0x90, 0x07, 0x26, 0x12, 0x07, 0x35, 0xE5,
+	0x41, 0xF0, 0x90, 0x07, 0x24, 0x12, 0x07, 0x35,
+/*1B40*/0xE5, 0x40, 0xF0, 0x12, 0x07, 0x2A, 0x75, 0x83,
+	0x8E, 0xE4, 0x12, 0x07, 0x29, 0x74, 0x01, 0x12,
+/*1B50*/0x07, 0x29, 0xE4, 0xF0, 0x22, 0xE4, 0xF5, 0x26,
+	0xF5, 0x27, 0x53, 0xE1, 0xFE, 0xF5, 0x2A, 0x75,
+/*1B60*/0x2B, 0x01, 0xF5, 0x08, 0x7F, 0x01, 0x12, 0x17,
+	0x31, 0x30, 0x30, 0x1C, 0x90, 0x1A, 0xA9, 0xE4,
+/*1B70*/0x93, 0xF5, 0x10, 0x90, 0x1F, 0xF9, 0xE4, 0x93,
+	0xF5, 0x10, 0x90, 0x00, 0x41, 0xE4, 0x93, 0xF5,
+/*1B80*/0x10, 0x90, 0x1E, 0xCA, 0xE4, 0x93, 0xF5, 0x10,
+	0x7F, 0x02, 0x12, 0x17, 0x31, 0x12, 0x0F, 0x54,
+/*1B90*/0x7F, 0x03, 0x12, 0x17, 0x31, 0x12, 0x00, 0x06,
+	0xE5, 0xE2, 0x30, 0xE7, 0x09, 0x12, 0x10, 0x00,
+/*1BA0*/0x30, 0x30, 0x03, 0x12, 0x11, 0x00, 0x02, 0x00,
+	0x47, 0x12, 0x08, 0x1F, 0x75, 0x83, 0xD0, 0xE0,
+/*1BB0*/0xC4, 0x54, 0x0F, 0xFD, 0x75, 0x43, 0x01, 0x75,
+	0x44, 0xFF, 0x12, 0x08, 0xAA, 0x74, 0x04, 0xF0,
+/*1BC0*/0x75, 0x3B, 0x01, 0xED, 0x14, 0x60, 0x0C, 0x14,
+	0x60, 0x0B, 0x14, 0x60, 0x0F, 0x24, 0x03, 0x70,
+/*1BD0*/0x0B, 0x80, 0x09, 0x80, 0x00, 0x12, 0x08, 0xA7,
+	0x04, 0xF0, 0x80, 0x06, 0x12, 0x08, 0xA7, 0x74,
+/*1BE0*/0x04, 0xF0, 0xEE, 0x44, 0x82, 0xFE, 0xEF, 0x44,
+	0x07, 0xF5, 0x82, 0x8E, 0x83, 0xE5, 0x45, 0x12,
+/*1BF0*/0x08, 0xBE, 0x75, 0x83, 0x82, 0xE5, 0x31, 0xF0,
+	0x02, 0x11, 0x4C, 0x8E, 0x60, 0x8F, 0x61, 0x12,
+/*1C00*/0x1E, 0xA5, 0xE4, 0xFF, 0xCE, 0xED, 0xCE, 0xEE,
+	0xD3, 0x95, 0x61, 0xE5, 0x60, 0x12, 0x07, 0x6B,
+/*1C10*/0x40, 0x39, 0x74, 0x20, 0x2E, 0xF5, 0x82, 0xE4,
+	0x34, 0x03, 0xF5, 0x83, 0xE0, 0x70, 0x03, 0xFF,
+/*1C20*/0x80, 0x26, 0x12, 0x08, 0xE2, 0xFD, 0xC3, 0x9F,
+	0x40, 0x1E, 0xCF, 0xED, 0xCF, 0xEB, 0x4A, 0x70,
+/*1C30*/0x0B, 0x8D, 0x42, 0x12, 0x08, 0xEE, 0xF5, 0x41,
+	0x8E, 0x40, 0x80, 0x0C, 0x12, 0x08, 0xE2, 0xF5,
+/*1C40*/0x38, 0x12, 0x08, 0xEE, 0xF5, 0x39, 0x8E, 0x3A,
+	0x1E, 0x80, 0xBC, 0x22, 0x75, 0x58, 0x01, 0xE5,
+/*1C50*/0x35, 0x70, 0x0C, 0x12, 0x07, 0xCC, 0xE0, 0xF5,
+	0x4A, 0x12, 0x07, 0xD8, 0xE0, 0xF5, 0x4C, 0xE5,
+/*1C60*/0x35, 0xB4, 0x04, 0x0C, 0x12, 0x07, 0xE4, 0xE0,
+	0xF5, 0x4A, 0x12, 0x07, 0xF0, 0xE0, 0xF5, 0x4C,
+/*1C70*/0xE5, 0x35, 0xB4, 0x01, 0x04, 0x7F, 0x01, 0x80,
+	0x02, 0x7F, 0x00, 0xE5, 0x35, 0xB4, 0x02, 0x04,
+/*1C80*/0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F,
+	0x60, 0x0C, 0x12, 0x07, 0xFC, 0xE0, 0xF5, 0x4A,
+/*1C90*/0x12, 0x08, 0x08, 0xE0, 0xF5, 0x4C, 0x85, 0x41,
+	0x49, 0x85, 0x40, 0x4B, 0x22, 0x75, 0x5B, 0x01,
+/*1CA0*/0x90, 0x07, 0x24, 0x12, 0x07, 0x35, 0xE0, 0x54,
+	0x1F, 0xFF, 0xD3, 0x94, 0x02, 0x50, 0x04, 0x8F,
+/*1CB0*/0x58, 0x80, 0x05, 0xEF, 0x24, 0xFE, 0xF5, 0x58,
+	0xEF, 0xC3, 0x94, 0x18, 0x40, 0x05, 0x75, 0x59,
+/*1CC0*/0x18, 0x80, 0x04, 0xEF, 0x04, 0xF5, 0x59, 0x85,
+	0x43, 0x5A, 0xAF, 0x58, 0x7E, 0x00, 0xAD, 0x59,
+/*1CD0*/0x7C, 0x00, 0xAB, 0x5B, 0x7A, 0x00, 0x12, 0x15,
+	0x41, 0xAF, 0x5A, 0x7E, 0x00, 0x12, 0x18, 0x0A,
+/*1CE0*/0xAF, 0x5B, 0x7E, 0x00, 0x02, 0x1A, 0xFF, 0xE5,
+	0xE2, 0x30, 0xE7, 0x0E, 0x12, 0x10, 0x03, 0xC2,
+/*1CF0*/0x30, 0x30, 0x30, 0x03, 0x12, 0x10, 0xFF, 0x20,
+	0x33, 0x28, 0xE5, 0xE7, 0x30, 0xE7, 0x05, 0x12,
+/*1D00*/0x0E, 0xA2, 0x80, 0x0D, 0xE5, 0xFE, 0xC3, 0x94,
+	0x20, 0x50, 0x06, 0x12, 0x0E, 0xA2, 0x43, 0xF9,
+/*1D10*/0x08, 0xE5, 0xF2, 0x30, 0xE7, 0x03, 0x53, 0xF9,
+	0x7F, 0xE5, 0xF1, 0x54, 0x70, 0xD3, 0x94, 0x00,
+/*1D20*/0x50, 0xD8, 0x22, 0x12, 0x0E, 0x04, 0x75, 0x83,
+	0x80, 0xE4, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0x12,
+/*1D30*/0x0D, 0xFD, 0x75, 0x83, 0x84, 0x12, 0x0E, 0x02,
+	0x75, 0x83, 0x86, 0x12, 0x0E, 0x02, 0x75, 0x83,
+/*1D40*/0x8C, 0xE0, 0x54, 0xF3, 0x12, 0x0E, 0x03, 0x75,
+	0x83, 0x8E, 0x12, 0x0E, 0x02, 0x75, 0x83, 0x94,
+/*1D50*/0xE0, 0x54, 0xFB, 0xF0, 0x22, 0x12, 0x07, 0x2A,
+	0x75, 0x83, 0x8E, 0xE4, 0x12, 0x07, 0x29, 0x74,
+/*1D60*/0x01, 0x12, 0x07, 0x29, 0xE4, 0x12, 0x08, 0xBE,
+	0x75, 0x83, 0x8C, 0xE0, 0x44, 0x20, 0x12, 0x08,
+/*1D70*/0xBE, 0xE0, 0x54, 0xDF, 0xF0, 0x74, 0x84, 0x85,
+	0x08, 0x82, 0xF5, 0x83, 0xE0, 0x54, 0x7F, 0xF0,
+/*1D80*/0xE0, 0x44, 0x80, 0xF0, 0x22, 0x75, 0x56, 0x01,
+	0xE4, 0xFD, 0xF5, 0x57, 0xAF, 0x35, 0xFE, 0xFC,
+/*1D90*/0x12, 0x09, 0x15, 0x12, 0x1C, 0x9D, 0x12, 0x1E,
+	0x7A, 0x12, 0x1C, 0x4C, 0xAF, 0x57, 0x7E, 0x00,
+/*1DA0*/0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44, 0xAF,
+	0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0x75, 0x56,
+/*1DB0*/0x01, 0xE4, 0xFD, 0xF5, 0x57, 0xAF, 0x35, 0xFE,
+	0xFC, 0x12, 0x09, 0x15, 0x12, 0x1C, 0x9D, 0x12,
+/*1DC0*/0x1E, 0x7A, 0x12, 0x1C, 0x4C, 0xAF, 0x57, 0x7E,
+	0x00, 0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44,
+/*1DD0*/0xAF, 0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0xE4,
+	0xF5, 0x16, 0x12, 0x0E, 0x44, 0xFE, 0xE5, 0x08,
+/*1DE0*/0x44, 0x05, 0xFF, 0x12, 0x0E, 0x65, 0x8F, 0x82,
+	0x8E, 0x83, 0xF0, 0x05, 0x16, 0xE5, 0x16, 0xC3,
+/*1DF0*/0x94, 0x14, 0x40, 0xE6, 0xE5, 0x08, 0x12, 0x0E,
+	0x2B, 0xE4, 0xF0, 0x22, 0xE4, 0xF5, 0x58, 0xF5,
+/*1E00*/0x59, 0xF5, 0x5A, 0xFF, 0xFE, 0xAD, 0x58, 0xFC,
+	0x12, 0x09, 0x15, 0x7F, 0x04, 0x7E, 0x00, 0xAD,
+/*1E10*/0x58, 0x7C, 0x00, 0x12, 0x09, 0x15, 0x7F, 0x02,
+	0x7E, 0x00, 0xAD, 0x58, 0x7C, 0x00, 0x02, 0x09,
+/*1E20*/0x15, 0xE5, 0x3C, 0x25, 0x3E, 0xFC, 0xE5, 0x42,
+	0x24, 0x00, 0xFB, 0xE4, 0x33, 0xFA, 0xEC, 0xC3,
+/*1E30*/0x9B, 0xEA, 0x12, 0x07, 0x6B, 0x40, 0x0B, 0x8C,
+	0x42, 0xE5, 0x3D, 0x25, 0x3F, 0xF5, 0x41, 0x8F,
+/*1E40*/0x40, 0x22, 0x12, 0x09, 0x0B, 0x22, 0x74, 0x84,
+	0xF5, 0x18, 0x85, 0x08, 0x19, 0x85, 0x19, 0x82,
+/*1E50*/0x85, 0x18, 0x83, 0xE0, 0x54, 0x7F, 0xF0, 0xE0,
+	0x44, 0x80, 0xF0, 0xE0, 0x44, 0x80, 0xF0, 0x22,
+/*1E60*/0xEF, 0x4E, 0x70, 0x0B, 0x12, 0x07, 0x2A, 0x75,
+	0x83, 0xD2, 0xE0, 0x54, 0xDF, 0xF0, 0x22, 0x12,
+/*1E70*/0x07, 0x2A, 0x75, 0x83, 0xD2, 0xE0, 0x44, 0x20,
+	0xF0, 0x22, 0x75, 0x58, 0x01, 0x90, 0x07, 0x26,
+/*1E80*/0x12, 0x07, 0x35, 0xE0, 0x54, 0x3F, 0xF5, 0x41,
+	0x12, 0x07, 0x32, 0xE0, 0x54, 0x3F, 0xF5, 0x40,
+/*1E90*/0x22, 0x75, 0x56, 0x02, 0xE4, 0xF5, 0x57, 0x12,
+	0x1D, 0xFC, 0xAF, 0x57, 0x7E, 0x00, 0xAD, 0x56,
+/*1EA0*/0x7C, 0x00, 0x02, 0x04, 0x44, 0xE4, 0xF5, 0x42,
+	0xF5, 0x41, 0xF5, 0x40, 0xF5, 0x38, 0xF5, 0x39,
+/*1EB0*/0xF5, 0x3A, 0x22, 0xEF, 0x54, 0x07, 0xFF, 0xE5,
+	0xF9, 0x54, 0xF8, 0x4F, 0xF5, 0xF9, 0x22, 0x7F,
+/*1EC0*/0x01, 0xE4, 0xFE, 0x0F, 0x0E, 0xBE, 0xFF, 0xFB,
+	0x22, 0x01, 0x20, 0x00, 0x01, 0x04, 0x20, 0x00,
+/*1ED0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1EE0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1EF0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F00*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F10*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F20*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F30*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F40*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F50*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F60*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F70*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F80*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F90*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FA0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FB0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FC0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FD0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FE0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FF0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x81
+};
+
+int qib_sd7220_ib_load(struct qib_devdata *dd)
+{
+	return qib_sd7220_prog_ld(dd, IB_7220_SERDES, qib_sd7220_ib_img,
+		sizeof(qib_sd7220_ib_img), 0);
+}
+
+int qib_sd7220_ib_vfy(struct qib_devdata *dd)
+{
+	return qib_sd7220_prog_vfy(dd, IB_7220_SERDES, qib_sd7220_ib_img,
+		sizeof(qib_sd7220_ib_img), 0);
+}
diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c
new file mode 100644
index 00000000000..b8456881f7f
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_sdma.c
@@ -0,0 +1,973 @@
+/*
+ * Copyright (c) 2007, 2008, 2009, 2010 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/spinlock.h>
+#include <linux/netdevice.h>
+
+#include "qib.h"
+#include "qib_common.h"
+
+/* default pio off, sdma on */
+static ushort sdma_descq_cnt = 256;
+module_param_named(sdma_descq_cnt, sdma_descq_cnt, ushort, S_IRUGO);
+MODULE_PARM_DESC(sdma_descq_cnt, "Number of SDMA descq entries");
+
+/*
+ * Bits defined in the send DMA descriptor.
+ */
+#define SDMA_DESC_LAST          (1ULL << 11)
+#define SDMA_DESC_FIRST         (1ULL << 12)
+#define SDMA_DESC_DMA_HEAD      (1ULL << 13)
+#define SDMA_DESC_USE_LARGE_BUF (1ULL << 14)
+#define SDMA_DESC_INTR          (1ULL << 15)
+#define SDMA_DESC_COUNT_LSB     16
+#define SDMA_DESC_GEN_LSB       30
+
+char *qib_sdma_state_names[] = {
+	[qib_sdma_state_s00_hw_down]          = "s00_HwDown",
+	[qib_sdma_state_s10_hw_start_up_wait] = "s10_HwStartUpWait",
+	[qib_sdma_state_s20_idle]             = "s20_Idle",
+	[qib_sdma_state_s30_sw_clean_up_wait] = "s30_SwCleanUpWait",
+	[qib_sdma_state_s40_hw_clean_up_wait] = "s40_HwCleanUpWait",
+	[qib_sdma_state_s50_hw_halt_wait]     = "s50_HwHaltWait",
+	[qib_sdma_state_s99_running]          = "s99_Running",
+};
+
+char *qib_sdma_event_names[] = {
+	[qib_sdma_event_e00_go_hw_down]   = "e00_GoHwDown",
+	[qib_sdma_event_e10_go_hw_start]  = "e10_GoHwStart",
+	[qib_sdma_event_e20_hw_started]   = "e20_HwStarted",
+	[qib_sdma_event_e30_go_running]   = "e30_GoRunning",
+	[qib_sdma_event_e40_sw_cleaned]   = "e40_SwCleaned",
+	[qib_sdma_event_e50_hw_cleaned]   = "e50_HwCleaned",
+	[qib_sdma_event_e60_hw_halted]    = "e60_HwHalted",
+	[qib_sdma_event_e70_go_idle]      = "e70_GoIdle",
+	[qib_sdma_event_e7220_err_halted] = "e7220_ErrHalted",
+	[qib_sdma_event_e7322_err_halted] = "e7322_ErrHalted",
+	[qib_sdma_event_e90_timer_tick]   = "e90_TimerTick",
+};
+
+/* declare all statics here rather than keep sorting */
+static int alloc_sdma(struct qib_pportdata *);
+static void sdma_complete(struct kref *);
+static void sdma_finalput(struct qib_sdma_state *);
+static void sdma_get(struct qib_sdma_state *);
+static void sdma_put(struct qib_sdma_state *);
+static void sdma_set_state(struct qib_pportdata *, enum qib_sdma_states);
+static void sdma_start_sw_clean_up(struct qib_pportdata *);
+static void sdma_sw_clean_up_task(unsigned long);
+static void unmap_desc(struct qib_pportdata *, unsigned);
+
+static void sdma_get(struct qib_sdma_state *ss)
+{
+	kref_get(&ss->kref);
+}
+
+static void sdma_complete(struct kref *kref)
+{
+	struct qib_sdma_state *ss =
+		container_of(kref, struct qib_sdma_state, kref);
+
+	complete(&ss->comp);
+}
+
+static void sdma_put(struct qib_sdma_state *ss)
+{
+	kref_put(&ss->kref, sdma_complete);
+}
+
+static void sdma_finalput(struct qib_sdma_state *ss)
+{
+	sdma_put(ss);
+	wait_for_completion(&ss->comp);
+}
+
+/*
+ * Complete all the sdma requests on the active list, in the correct
+ * order, and with appropriate processing.   Called when cleaning up
+ * after sdma shutdown, and when new sdma requests are submitted for
+ * a link that is down.   This matches what is done for requests
+ * that complete normally, it's just the full list.
+ *
+ * Must be called with sdma_lock held
+ */
+static void clear_sdma_activelist(struct qib_pportdata *ppd)
+{
+	struct qib_sdma_txreq *txp, *txp_next;
+
+	list_for_each_entry_safe(txp, txp_next, &ppd->sdma_activelist, list) {
+		list_del_init(&txp->list);
+		if (txp->flags & QIB_SDMA_TXREQ_F_FREEDESC) {
+			unsigned idx;
+
+			idx = txp->start_idx;
+			while (idx != txp->next_descq_idx) {
+				unmap_desc(ppd, idx);
+				if (++idx == ppd->sdma_descq_cnt)
+					idx = 0;
+			}
+		}
+		if (txp->callback)
+			(*txp->callback)(txp, QIB_SDMA_TXREQ_S_ABORTED);
+	}
+}
+
+static void sdma_sw_clean_up_task(unsigned long opaque)
+{
+	struct qib_pportdata *ppd = (struct qib_pportdata *) opaque;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+
+	/*
+	 * At this point, the following should always be true:
+	 * - We are halted, so no more descriptors are getting retired.
+	 * - We are not running, so no one is submitting new work.
+	 * - Only we can send the e40_sw_cleaned, so we can't start
+	 *   running again until we say so.  So, the active list and
+	 *   descq are ours to play with.
+	 */
+
+	/* Process all retired requests. */
+	qib_sdma_make_progress(ppd);
+
+	clear_sdma_activelist(ppd);
+
+	/*
+	 * Resync count of added and removed.  It is VERY important that
+	 * sdma_descq_removed NEVER decrement - user_sdma depends on it.
+	 */
+	ppd->sdma_descq_removed = ppd->sdma_descq_added;
+
+	/*
+	 * Reset our notion of head and tail.
+	 * Note that the HW registers will be reset when switching states
+	 * due to calling __qib_sdma_process_event() below.
+	 */
+	ppd->sdma_descq_tail = 0;
+	ppd->sdma_descq_head = 0;
+	ppd->sdma_head_dma[0] = 0;
+	ppd->sdma_generation = 0;
+
+	__qib_sdma_process_event(ppd, qib_sdma_event_e40_sw_cleaned);
+
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+}
+
+/*
+ * This is called when changing to state qib_sdma_state_s10_hw_start_up_wait
+ * as a result of send buffer errors or send DMA descriptor errors.
+ * We want to disarm the buffers in these cases.
+ */
+static void sdma_hw_start_up(struct qib_pportdata *ppd)
+{
+	struct qib_sdma_state *ss = &ppd->sdma_state;
+	unsigned bufno;
+
+	for (bufno = ss->first_sendbuf; bufno < ss->last_sendbuf; ++bufno)
+		ppd->dd->f_sendctrl(ppd, QIB_SENDCTRL_DISARM_BUF(bufno));
+
+	ppd->dd->f_sdma_hw_start_up(ppd);
+}
+
+static void sdma_sw_tear_down(struct qib_pportdata *ppd)
+{
+	struct qib_sdma_state *ss = &ppd->sdma_state;
+
+	/* Releasing this reference means the state machine has stopped. */
+	sdma_put(ss);
+}
+
+static void sdma_start_sw_clean_up(struct qib_pportdata *ppd)
+{
+	tasklet_hi_schedule(&ppd->sdma_sw_clean_up_task);
+}
+
+static void sdma_set_state(struct qib_pportdata *ppd,
+	enum qib_sdma_states next_state)
+{
+	struct qib_sdma_state *ss = &ppd->sdma_state;
+	struct sdma_set_state_action *action = ss->set_state_action;
+	unsigned op = 0;
+
+	/* debugging bookkeeping */
+	ss->previous_state = ss->current_state;
+	ss->previous_op = ss->current_op;
+
+	ss->current_state = next_state;
+
+	if (action[next_state].op_enable)
+		op |= QIB_SDMA_SENDCTRL_OP_ENABLE;
+
+	if (action[next_state].op_intenable)
+		op |= QIB_SDMA_SENDCTRL_OP_INTENABLE;
+
+	if (action[next_state].op_halt)
+		op |= QIB_SDMA_SENDCTRL_OP_HALT;
+
+	if (action[next_state].op_drain)
+		op |= QIB_SDMA_SENDCTRL_OP_DRAIN;
+
+	if (action[next_state].go_s99_running_tofalse)
+		ss->go_s99_running = 0;
+
+	if (action[next_state].go_s99_running_totrue)
+		ss->go_s99_running = 1;
+
+	ss->current_op = op;
+
+	ppd->dd->f_sdma_sendctrl(ppd, ss->current_op);
+}
+
+static void unmap_desc(struct qib_pportdata *ppd, unsigned head)
+{
+	__le64 *descqp = &ppd->sdma_descq[head].qw[0];
+	u64 desc[2];
+	dma_addr_t addr;
+	size_t len;
+
+	desc[0] = le64_to_cpu(descqp[0]);
+	desc[1] = le64_to_cpu(descqp[1]);
+
+	addr = (desc[1] << 32) | (desc[0] >> 32);
+	len = (desc[0] >> 14) & (0x7ffULL << 2);
+	dma_unmap_single(&ppd->dd->pcidev->dev, addr, len, DMA_TO_DEVICE);
+}
+
+static int alloc_sdma(struct qib_pportdata *ppd)
+{
+	ppd->sdma_descq_cnt = sdma_descq_cnt;
+	if (!ppd->sdma_descq_cnt)
+		ppd->sdma_descq_cnt = 256;
+
+	/* Allocate memory for SendDMA descriptor FIFO */
+	ppd->sdma_descq = dma_alloc_coherent(&ppd->dd->pcidev->dev,
+		ppd->sdma_descq_cnt * sizeof(u64[2]), &ppd->sdma_descq_phys,
+		GFP_KERNEL);
+
+	if (!ppd->sdma_descq) {
+		qib_dev_err(ppd->dd, "failed to allocate SendDMA descriptor "
+			    "FIFO memory\n");
+		goto bail;
+	}
+
+	/* Allocate memory for DMA of head register to memory */
+	ppd->sdma_head_dma = dma_alloc_coherent(&ppd->dd->pcidev->dev,
+		PAGE_SIZE, &ppd->sdma_head_phys, GFP_KERNEL);
+	if (!ppd->sdma_head_dma) {
+		qib_dev_err(ppd->dd, "failed to allocate SendDMA "
+			    "head memory\n");
+		goto cleanup_descq;
+	}
+	ppd->sdma_head_dma[0] = 0;
+	return 0;
+
+cleanup_descq:
+	dma_free_coherent(&ppd->dd->pcidev->dev,
+		ppd->sdma_descq_cnt * sizeof(u64[2]), (void *)ppd->sdma_descq,
+		ppd->sdma_descq_phys);
+	ppd->sdma_descq = NULL;
+	ppd->sdma_descq_phys = 0;
+bail:
+	ppd->sdma_descq_cnt = 0;
+	return -ENOMEM;
+}
+
+static void free_sdma(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+
+	if (ppd->sdma_head_dma) {
+		dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
+				  (void *)ppd->sdma_head_dma,
+				  ppd->sdma_head_phys);
+		ppd->sdma_head_dma = NULL;
+		ppd->sdma_head_phys = 0;
+	}
+
+	if (ppd->sdma_descq) {
+		dma_free_coherent(&dd->pcidev->dev,
+				  ppd->sdma_descq_cnt * sizeof(u64[2]),
+				  ppd->sdma_descq, ppd->sdma_descq_phys);
+		ppd->sdma_descq = NULL;
+		ppd->sdma_descq_phys = 0;
+	}
+}
+
+static inline void make_sdma_desc(struct qib_pportdata *ppd,
+				  u64 *sdmadesc, u64 addr, u64 dwlen,
+				  u64 dwoffset)
+{
+
+	WARN_ON(addr & 3);
+	/* SDmaPhyAddr[47:32] */
+	sdmadesc[1] = addr >> 32;
+	/* SDmaPhyAddr[31:0] */
+	sdmadesc[0] = (addr & 0xfffffffcULL) << 32;
+	/* SDmaGeneration[1:0] */
+	sdmadesc[0] |= (ppd->sdma_generation & 3ULL) <<
+		SDMA_DESC_GEN_LSB;
+	/* SDmaDwordCount[10:0] */
+	sdmadesc[0] |= (dwlen & 0x7ffULL) << SDMA_DESC_COUNT_LSB;
+	/* SDmaBufOffset[12:2] */
+	sdmadesc[0] |= dwoffset & 0x7ffULL;
+}
+
+/* sdma_lock must be held */
+int qib_sdma_make_progress(struct qib_pportdata *ppd)
+{
+	struct list_head *lp = NULL;
+	struct qib_sdma_txreq *txp = NULL;
+	struct qib_devdata *dd = ppd->dd;
+	int progress = 0;
+	u16 hwhead;
+	u16 idx = 0;
+
+	hwhead = dd->f_sdma_gethead(ppd);
+
+	/* The reason for some of the complexity of this code is that
+	 * not all descriptors have corresponding txps.  So, we have to
+	 * be able to skip over descs until we wander into the range of
+	 * the next txp on the list.
+	 */
+
+	if (!list_empty(&ppd->sdma_activelist)) {
+		lp = ppd->sdma_activelist.next;
+		txp = list_entry(lp, struct qib_sdma_txreq, list);
+		idx = txp->start_idx;
+	}
+
+	while (ppd->sdma_descq_head != hwhead) {
+		/* if desc is part of this txp, unmap if needed */
+		if (txp && (txp->flags & QIB_SDMA_TXREQ_F_FREEDESC) &&
+		    (idx == ppd->sdma_descq_head)) {
+			unmap_desc(ppd, ppd->sdma_descq_head);
+			if (++idx == ppd->sdma_descq_cnt)
+				idx = 0;
+		}
+
+		/* increment dequed desc count */
+		ppd->sdma_descq_removed++;
+
+		/* advance head, wrap if needed */
+		if (++ppd->sdma_descq_head == ppd->sdma_descq_cnt)
+			ppd->sdma_descq_head = 0;
+
+		/* if now past this txp's descs, do the callback */
+		if (txp && txp->next_descq_idx == ppd->sdma_descq_head) {
+			/* remove from active list */
+			list_del_init(&txp->list);
+			if (txp->callback)
+				(*txp->callback)(txp, QIB_SDMA_TXREQ_S_OK);
+			/* see if there is another txp */
+			if (list_empty(&ppd->sdma_activelist))
+				txp = NULL;
+			else {
+				lp = ppd->sdma_activelist.next;
+				txp = list_entry(lp, struct qib_sdma_txreq,
+					list);
+				idx = txp->start_idx;
+			}
+		}
+		progress = 1;
+	}
+	if (progress)
+		qib_verbs_sdma_desc_avail(ppd, qib_sdma_descq_freecnt(ppd));
+	return progress;
+}
+
+/*
+ * This is called from interrupt context.
+ */
+void qib_sdma_intr(struct qib_pportdata *ppd)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+
+	__qib_sdma_intr(ppd);
+
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+}
+
+void __qib_sdma_intr(struct qib_pportdata *ppd)
+{
+	if (__qib_sdma_running(ppd))
+		qib_sdma_make_progress(ppd);
+}
+
+int qib_setup_sdma(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	unsigned long flags;
+	int ret = 0;
+
+	ret = alloc_sdma(ppd);
+	if (ret)
+		goto bail;
+
+	/* set consistent sdma state */
+	ppd->dd->f_sdma_init_early(ppd);
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+	sdma_set_state(ppd, qib_sdma_state_s00_hw_down);
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+
+	/* set up reference counting */
+	kref_init(&ppd->sdma_state.kref);
+	init_completion(&ppd->sdma_state.comp);
+
+	ppd->sdma_generation = 0;
+	ppd->sdma_descq_head = 0;
+	ppd->sdma_descq_removed = 0;
+	ppd->sdma_descq_added = 0;
+
+	INIT_LIST_HEAD(&ppd->sdma_activelist);
+
+	tasklet_init(&ppd->sdma_sw_clean_up_task, sdma_sw_clean_up_task,
+		(unsigned long)ppd);
+
+	ret = dd->f_init_sdma_regs(ppd);
+	if (ret)
+		goto bail_alloc;
+
+	qib_sdma_process_event(ppd, qib_sdma_event_e10_go_hw_start);
+
+	return 0;
+
+bail_alloc:
+	qib_teardown_sdma(ppd);
+bail:
+	return ret;
+}
+
+void qib_teardown_sdma(struct qib_pportdata *ppd)
+{
+	qib_sdma_process_event(ppd, qib_sdma_event_e00_go_hw_down);
+
+	/*
+	 * This waits for the state machine to exit so it is not
+	 * necessary to kill the sdma_sw_clean_up_task to make sure
+	 * it is not running.
+	 */
+	sdma_finalput(&ppd->sdma_state);
+
+	free_sdma(ppd);
+}
+
+int qib_sdma_running(struct qib_pportdata *ppd)
+{
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+	ret = __qib_sdma_running(ppd);
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+
+	return ret;
+}
+
+/*
+ * Complete a request when sdma not running; likely only request
+ * but to simplify the code, always queue it, then process the full
+ * activelist.  We process the entire list to ensure that this particular
+ * request does get it's callback, but in the correct order.
+ * Must be called with sdma_lock held
+ */
+static void complete_sdma_err_req(struct qib_pportdata *ppd,
+				  struct qib_verbs_txreq *tx)
+{
+	atomic_inc(&tx->qp->s_dma_busy);
+	/* no sdma descriptors, so no unmap_desc */
+	tx->txreq.start_idx = 0;
+	tx->txreq.next_descq_idx = 0;
+	list_add_tail(&tx->txreq.list, &ppd->sdma_activelist);
+	clear_sdma_activelist(ppd);
+}
+
+/*
+ * This function queues one IB packet onto the send DMA queue per call.
+ * The caller is responsible for checking:
+ * 1) The number of send DMA descriptor entries is less than the size of
+ *    the descriptor queue.
+ * 2) The IB SGE addresses and lengths are 32-bit aligned
+ *    (except possibly the last SGE's length)
+ * 3) The SGE addresses are suitable for passing to dma_map_single().
+ */
+int qib_sdma_verbs_send(struct qib_pportdata *ppd,
+			struct qib_sge_state *ss, u32 dwords,
+			struct qib_verbs_txreq *tx)
+{
+	unsigned long flags;
+	struct qib_sge *sge;
+	struct qib_qp *qp;
+	int ret = 0;
+	u16 tail;
+	__le64 *descqp;
+	u64 sdmadesc[2];
+	u32 dwoffset;
+	dma_addr_t addr;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+
+retry:
+	if (unlikely(!__qib_sdma_running(ppd))) {
+		complete_sdma_err_req(ppd, tx);
+		goto unlock;
+	}
+
+	if (tx->txreq.sg_count > qib_sdma_descq_freecnt(ppd)) {
+		if (qib_sdma_make_progress(ppd))
+			goto retry;
+		if (ppd->dd->flags & QIB_HAS_SDMA_TIMEOUT)
+			ppd->dd->f_sdma_set_desc_cnt(ppd,
+					ppd->sdma_descq_cnt / 2);
+		goto busy;
+	}
+
+	dwoffset = tx->hdr_dwords;
+	make_sdma_desc(ppd, sdmadesc, (u64) tx->txreq.addr, dwoffset, 0);
+
+	sdmadesc[0] |= SDMA_DESC_FIRST;
+	if (tx->txreq.flags & QIB_SDMA_TXREQ_F_USELARGEBUF)
+		sdmadesc[0] |= SDMA_DESC_USE_LARGE_BUF;
+
+	/* write to the descq */
+	tail = ppd->sdma_descq_tail;
+	descqp = &ppd->sdma_descq[tail].qw[0];
+	*descqp++ = cpu_to_le64(sdmadesc[0]);
+	*descqp++ = cpu_to_le64(sdmadesc[1]);
+
+	/* increment the tail */
+	if (++tail == ppd->sdma_descq_cnt) {
+		tail = 0;
+		descqp = &ppd->sdma_descq[0].qw[0];
+		++ppd->sdma_generation;
+	}
+
+	tx->txreq.start_idx = tail;
+
+	sge = &ss->sge;
+	while (dwords) {
+		u32 dw;
+		u32 len;
+
+		len = dwords << 2;
+		if (len > sge->length)
+			len = sge->length;
+		if (len > sge->sge_length)
+			len = sge->sge_length;
+		BUG_ON(len == 0);
+		dw = (len + 3) >> 2;
+		addr = dma_map_single(&ppd->dd->pcidev->dev, sge->vaddr,
+				      dw << 2, DMA_TO_DEVICE);
+		if (dma_mapping_error(&ppd->dd->pcidev->dev, addr))
+			goto unmap;
+		sdmadesc[0] = 0;
+		make_sdma_desc(ppd, sdmadesc, (u64) addr, dw, dwoffset);
+		/* SDmaUseLargeBuf has to be set in every descriptor */
+		if (tx->txreq.flags & QIB_SDMA_TXREQ_F_USELARGEBUF)
+			sdmadesc[0] |= SDMA_DESC_USE_LARGE_BUF;
+		/* write to the descq */
+		*descqp++ = cpu_to_le64(sdmadesc[0]);
+		*descqp++ = cpu_to_le64(sdmadesc[1]);
+
+		/* increment the tail */
+		if (++tail == ppd->sdma_descq_cnt) {
+			tail = 0;
+			descqp = &ppd->sdma_descq[0].qw[0];
+			++ppd->sdma_generation;
+		}
+		sge->vaddr += len;
+		sge->length -= len;
+		sge->sge_length -= len;
+		if (sge->sge_length == 0) {
+			if (--ss->num_sge)
+				*sge = *ss->sg_list++;
+		} else if (sge->length == 0 && sge->mr->lkey) {
+			if (++sge->n >= QIB_SEGSZ) {
+				if (++sge->m >= sge->mr->mapsz)
+					break;
+				sge->n = 0;
+			}
+			sge->vaddr =
+				sge->mr->map[sge->m]->segs[sge->n].vaddr;
+			sge->length =
+				sge->mr->map[sge->m]->segs[sge->n].length;
+		}
+
+		dwoffset += dw;
+		dwords -= dw;
+	}
+
+	if (!tail)
+		descqp = &ppd->sdma_descq[ppd->sdma_descq_cnt].qw[0];
+	descqp -= 2;
+	descqp[0] |= cpu_to_le64(SDMA_DESC_LAST);
+	if (tx->txreq.flags & QIB_SDMA_TXREQ_F_HEADTOHOST)
+		descqp[0] |= cpu_to_le64(SDMA_DESC_DMA_HEAD);
+	if (tx->txreq.flags & QIB_SDMA_TXREQ_F_INTREQ)
+		descqp[0] |= cpu_to_le64(SDMA_DESC_INTR);
+
+	atomic_inc(&tx->qp->s_dma_busy);
+	tx->txreq.next_descq_idx = tail;
+	ppd->dd->f_sdma_update_tail(ppd, tail);
+	ppd->sdma_descq_added += tx->txreq.sg_count;
+	list_add_tail(&tx->txreq.list, &ppd->sdma_activelist);
+	goto unlock;
+
+unmap:
+	for (;;) {
+		if (!tail)
+			tail = ppd->sdma_descq_cnt - 1;
+		else
+			tail--;
+		if (tail == ppd->sdma_descq_tail)
+			break;
+		unmap_desc(ppd, tail);
+	}
+	qp = tx->qp;
+	qib_put_txreq(tx);
+	spin_lock(&qp->s_lock);
+	if (qp->ibqp.qp_type == IB_QPT_RC) {
+		/* XXX what about error sending RDMA read responses? */
+		if (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK)
+			qib_error_qp(qp, IB_WC_GENERAL_ERR);
+	} else if (qp->s_wqe)
+		qib_send_complete(qp, qp->s_wqe, IB_WC_GENERAL_ERR);
+	spin_unlock(&qp->s_lock);
+	/* return zero to process the next send work request */
+	goto unlock;
+
+busy:
+	qp = tx->qp;
+	spin_lock(&qp->s_lock);
+	if (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK) {
+		struct qib_ibdev *dev;
+
+		/*
+		 * If we couldn't queue the DMA request, save the info
+		 * and try again later rather than destroying the
+		 * buffer and undoing the side effects of the copy.
+		 */
+		tx->ss = ss;
+		tx->dwords = dwords;
+		qp->s_tx = tx;
+		dev = &ppd->dd->verbs_dev;
+		spin_lock(&dev->pending_lock);
+		if (list_empty(&qp->iowait)) {
+			struct qib_ibport *ibp;
+
+			ibp = &ppd->ibport_data;
+			ibp->n_dmawait++;
+			qp->s_flags |= QIB_S_WAIT_DMA_DESC;
+			list_add_tail(&qp->iowait, &dev->dmawait);
+		}
+		spin_unlock(&dev->pending_lock);
+		qp->s_flags &= ~QIB_S_BUSY;
+		spin_unlock(&qp->s_lock);
+		ret = -EBUSY;
+	} else {
+		spin_unlock(&qp->s_lock);
+		qib_put_txreq(tx);
+	}
+unlock:
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+	return ret;
+}
+
+void qib_sdma_process_event(struct qib_pportdata *ppd,
+	enum qib_sdma_events event)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+
+	__qib_sdma_process_event(ppd, event);
+
+	if (ppd->sdma_state.current_state == qib_sdma_state_s99_running)
+		qib_verbs_sdma_desc_avail(ppd, qib_sdma_descq_freecnt(ppd));
+
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+}
+
+void __qib_sdma_process_event(struct qib_pportdata *ppd,
+	enum qib_sdma_events event)
+{
+	struct qib_sdma_state *ss = &ppd->sdma_state;
+
+	switch (ss->current_state) {
+	case qib_sdma_state_s00_hw_down:
+		switch (event) {
+		case qib_sdma_event_e00_go_hw_down:
+			break;
+		case qib_sdma_event_e30_go_running:
+			/*
+			 * If down, but running requested (usually result
+			 * of link up, then we need to start up.
+			 * This can happen when hw down is requested while
+			 * bringing the link up with traffic active on
+			 * 7220, e.g. */
+			ss->go_s99_running = 1;
+			/* fall through and start dma engine */
+		case qib_sdma_event_e10_go_hw_start:
+			/* This reference means the state machine is started */
+			sdma_get(&ppd->sdma_state);
+			sdma_set_state(ppd,
+				       qib_sdma_state_s10_hw_start_up_wait);
+			break;
+		case qib_sdma_event_e20_hw_started:
+			break;
+		case qib_sdma_event_e40_sw_cleaned:
+			sdma_sw_tear_down(ppd);
+			break;
+		case qib_sdma_event_e50_hw_cleaned:
+			break;
+		case qib_sdma_event_e60_hw_halted:
+			break;
+		case qib_sdma_event_e70_go_idle:
+			break;
+		case qib_sdma_event_e7220_err_halted:
+			break;
+		case qib_sdma_event_e7322_err_halted:
+			break;
+		case qib_sdma_event_e90_timer_tick:
+			break;
+		}
+		break;
+
+	case qib_sdma_state_s10_hw_start_up_wait:
+		switch (event) {
+		case qib_sdma_event_e00_go_hw_down:
+			sdma_set_state(ppd, qib_sdma_state_s00_hw_down);
+			sdma_sw_tear_down(ppd);
+			break;
+		case qib_sdma_event_e10_go_hw_start:
+			break;
+		case qib_sdma_event_e20_hw_started:
+			sdma_set_state(ppd, ss->go_s99_running ?
+				       qib_sdma_state_s99_running :
+				       qib_sdma_state_s20_idle);
+			break;
+		case qib_sdma_event_e30_go_running:
+			ss->go_s99_running = 1;
+			break;
+		case qib_sdma_event_e40_sw_cleaned:
+			break;
+		case qib_sdma_event_e50_hw_cleaned:
+			break;
+		case qib_sdma_event_e60_hw_halted:
+			break;
+		case qib_sdma_event_e70_go_idle:
+			ss->go_s99_running = 0;
+			break;
+		case qib_sdma_event_e7220_err_halted:
+			break;
+		case qib_sdma_event_e7322_err_halted:
+			break;
+		case qib_sdma_event_e90_timer_tick:
+			break;
+		}
+		break;
+
+	case qib_sdma_state_s20_idle:
+		switch (event) {
+		case qib_sdma_event_e00_go_hw_down:
+			sdma_set_state(ppd, qib_sdma_state_s00_hw_down);
+			sdma_sw_tear_down(ppd);
+			break;
+		case qib_sdma_event_e10_go_hw_start:
+			break;
+		case qib_sdma_event_e20_hw_started:
+			break;
+		case qib_sdma_event_e30_go_running:
+			sdma_set_state(ppd, qib_sdma_state_s99_running);
+			ss->go_s99_running = 1;
+			break;
+		case qib_sdma_event_e40_sw_cleaned:
+			break;
+		case qib_sdma_event_e50_hw_cleaned:
+			break;
+		case qib_sdma_event_e60_hw_halted:
+			break;
+		case qib_sdma_event_e70_go_idle:
+			break;
+		case qib_sdma_event_e7220_err_halted:
+			break;
+		case qib_sdma_event_e7322_err_halted:
+			break;
+		case qib_sdma_event_e90_timer_tick:
+			break;
+		}
+		break;
+
+	case qib_sdma_state_s30_sw_clean_up_wait:
+		switch (event) {
+		case qib_sdma_event_e00_go_hw_down:
+			sdma_set_state(ppd, qib_sdma_state_s00_hw_down);
+			break;
+		case qib_sdma_event_e10_go_hw_start:
+			break;
+		case qib_sdma_event_e20_hw_started:
+			break;
+		case qib_sdma_event_e30_go_running:
+			ss->go_s99_running = 1;
+			break;
+		case qib_sdma_event_e40_sw_cleaned:
+			sdma_set_state(ppd,
+				       qib_sdma_state_s10_hw_start_up_wait);
+			sdma_hw_start_up(ppd);
+			break;
+		case qib_sdma_event_e50_hw_cleaned:
+			break;
+		case qib_sdma_event_e60_hw_halted:
+			break;
+		case qib_sdma_event_e70_go_idle:
+			ss->go_s99_running = 0;
+			break;
+		case qib_sdma_event_e7220_err_halted:
+			break;
+		case qib_sdma_event_e7322_err_halted:
+			break;
+		case qib_sdma_event_e90_timer_tick:
+			break;
+		}
+		break;
+
+	case qib_sdma_state_s40_hw_clean_up_wait:
+		switch (event) {
+		case qib_sdma_event_e00_go_hw_down:
+			sdma_set_state(ppd, qib_sdma_state_s00_hw_down);
+			sdma_start_sw_clean_up(ppd);
+			break;
+		case qib_sdma_event_e10_go_hw_start:
+			break;
+		case qib_sdma_event_e20_hw_started:
+			break;
+		case qib_sdma_event_e30_go_running:
+			ss->go_s99_running = 1;
+			break;
+		case qib_sdma_event_e40_sw_cleaned:
+			break;
+		case qib_sdma_event_e50_hw_cleaned:
+			sdma_set_state(ppd,
+				       qib_sdma_state_s30_sw_clean_up_wait);
+			sdma_start_sw_clean_up(ppd);
+			break;
+		case qib_sdma_event_e60_hw_halted:
+			break;
+		case qib_sdma_event_e70_go_idle:
+			ss->go_s99_running = 0;
+			break;
+		case qib_sdma_event_e7220_err_halted:
+			break;
+		case qib_sdma_event_e7322_err_halted:
+			break;
+		case qib_sdma_event_e90_timer_tick:
+			break;
+		}
+		break;
+
+	case qib_sdma_state_s50_hw_halt_wait:
+		switch (event) {
+		case qib_sdma_event_e00_go_hw_down:
+			sdma_set_state(ppd, qib_sdma_state_s00_hw_down);
+			sdma_start_sw_clean_up(ppd);
+			break;
+		case qib_sdma_event_e10_go_hw_start:
+			break;
+		case qib_sdma_event_e20_hw_started:
+			break;
+		case qib_sdma_event_e30_go_running:
+			ss->go_s99_running = 1;
+			break;
+		case qib_sdma_event_e40_sw_cleaned:
+			break;
+		case qib_sdma_event_e50_hw_cleaned:
+			break;
+		case qib_sdma_event_e60_hw_halted:
+			sdma_set_state(ppd,
+				       qib_sdma_state_s40_hw_clean_up_wait);
+			ppd->dd->f_sdma_hw_clean_up(ppd);
+			break;
+		case qib_sdma_event_e70_go_idle:
+			ss->go_s99_running = 0;
+			break;
+		case qib_sdma_event_e7220_err_halted:
+			break;
+		case qib_sdma_event_e7322_err_halted:
+			break;
+		case qib_sdma_event_e90_timer_tick:
+			break;
+		}
+		break;
+
+	case qib_sdma_state_s99_running:
+		switch (event) {
+		case qib_sdma_event_e00_go_hw_down:
+			sdma_set_state(ppd, qib_sdma_state_s00_hw_down);
+			sdma_start_sw_clean_up(ppd);
+			break;
+		case qib_sdma_event_e10_go_hw_start:
+			break;
+		case qib_sdma_event_e20_hw_started:
+			break;
+		case qib_sdma_event_e30_go_running:
+			break;
+		case qib_sdma_event_e40_sw_cleaned:
+			break;
+		case qib_sdma_event_e50_hw_cleaned:
+			break;
+		case qib_sdma_event_e60_hw_halted:
+			sdma_set_state(ppd,
+				       qib_sdma_state_s30_sw_clean_up_wait);
+			sdma_start_sw_clean_up(ppd);
+			break;
+		case qib_sdma_event_e70_go_idle:
+			sdma_set_state(ppd, qib_sdma_state_s50_hw_halt_wait);
+			ss->go_s99_running = 0;
+			break;
+		case qib_sdma_event_e7220_err_halted:
+			sdma_set_state(ppd,
+				       qib_sdma_state_s30_sw_clean_up_wait);
+			sdma_start_sw_clean_up(ppd);
+			break;
+		case qib_sdma_event_e7322_err_halted:
+			sdma_set_state(ppd, qib_sdma_state_s50_hw_halt_wait);
+			break;
+		case qib_sdma_event_e90_timer_tick:
+			break;
+		}
+		break;
+	}
+
+	ss->last_event = event;
+}
diff --git a/drivers/infiniband/hw/qib/qib_srq.c b/drivers/infiniband/hw/qib/qib_srq.c
new file mode 100644
index 00000000000..c3ec8efc2ed
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_srq.c
@@ -0,0 +1,375 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#include "qib_verbs.h"
+
+/**
+ * qib_post_srq_receive - post a receive on a shared receive queue
+ * @ibsrq: the SRQ to post the receive on
+ * @wr: the list of work requests to post
+ * @bad_wr: A pointer to the first WR to cause a problem is put here
+ *
+ * This may be called from interrupt context.
+ */
+int qib_post_srq_receive(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
+			 struct ib_recv_wr **bad_wr)
+{
+	struct qib_srq *srq = to_isrq(ibsrq);
+	struct qib_rwq *wq;
+	unsigned long flags;
+	int ret;
+
+	for (; wr; wr = wr->next) {
+		struct qib_rwqe *wqe;
+		u32 next;
+		int i;
+
+		if ((unsigned) wr->num_sge > srq->rq.max_sge) {
+			*bad_wr = wr;
+			ret = -EINVAL;
+			goto bail;
+		}
+
+		spin_lock_irqsave(&srq->rq.lock, flags);
+		wq = srq->rq.wq;
+		next = wq->head + 1;
+		if (next >= srq->rq.size)
+			next = 0;
+		if (next == wq->tail) {
+			spin_unlock_irqrestore(&srq->rq.lock, flags);
+			*bad_wr = wr;
+			ret = -ENOMEM;
+			goto bail;
+		}
+
+		wqe = get_rwqe_ptr(&srq->rq, wq->head);
+		wqe->wr_id = wr->wr_id;
+		wqe->num_sge = wr->num_sge;
+		for (i = 0; i < wr->num_sge; i++)
+			wqe->sg_list[i] = wr->sg_list[i];
+		/* Make sure queue entry is written before the head index. */
+		smp_wmb();
+		wq->head = next;
+		spin_unlock_irqrestore(&srq->rq.lock, flags);
+	}
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_create_srq - create a shared receive queue
+ * @ibpd: the protection domain of the SRQ to create
+ * @srq_init_attr: the attributes of the SRQ
+ * @udata: data from libibverbs when creating a user SRQ
+ */
+struct ib_srq *qib_create_srq(struct ib_pd *ibpd,
+			      struct ib_srq_init_attr *srq_init_attr,
+			      struct ib_udata *udata)
+{
+	struct qib_ibdev *dev = to_idev(ibpd->device);
+	struct qib_srq *srq;
+	u32 sz;
+	struct ib_srq *ret;
+
+	if (srq_init_attr->attr.max_sge == 0 ||
+	    srq_init_attr->attr.max_sge > ib_qib_max_srq_sges ||
+	    srq_init_attr->attr.max_wr == 0 ||
+	    srq_init_attr->attr.max_wr > ib_qib_max_srq_wrs) {
+		ret = ERR_PTR(-EINVAL);
+		goto done;
+	}
+
+	srq = kmalloc(sizeof(*srq), GFP_KERNEL);
+	if (!srq) {
+		ret = ERR_PTR(-ENOMEM);
+		goto done;
+	}
+
+	/*
+	 * Need to use vmalloc() if we want to support large #s of entries.
+	 */
+	srq->rq.size = srq_init_attr->attr.max_wr + 1;
+	srq->rq.max_sge = srq_init_attr->attr.max_sge;
+	sz = sizeof(struct ib_sge) * srq->rq.max_sge +
+		sizeof(struct qib_rwqe);
+	srq->rq.wq = vmalloc_user(sizeof(struct qib_rwq) + srq->rq.size * sz);
+	if (!srq->rq.wq) {
+		ret = ERR_PTR(-ENOMEM);
+		goto bail_srq;
+	}
+
+	/*
+	 * Return the address of the RWQ as the offset to mmap.
+	 * See qib_mmap() for details.
+	 */
+	if (udata && udata->outlen >= sizeof(__u64)) {
+		int err;
+		u32 s = sizeof(struct qib_rwq) + srq->rq.size * sz;
+
+		srq->ip =
+		    qib_create_mmap_info(dev, s, ibpd->uobject->context,
+					 srq->rq.wq);
+		if (!srq->ip) {
+			ret = ERR_PTR(-ENOMEM);
+			goto bail_wq;
+		}
+
+		err = ib_copy_to_udata(udata, &srq->ip->offset,
+				       sizeof(srq->ip->offset));
+		if (err) {
+			ret = ERR_PTR(err);
+			goto bail_ip;
+		}
+	} else
+		srq->ip = NULL;
+
+	/*
+	 * ib_create_srq() will initialize srq->ibsrq.
+	 */
+	spin_lock_init(&srq->rq.lock);
+	srq->rq.wq->head = 0;
+	srq->rq.wq->tail = 0;
+	srq->limit = srq_init_attr->attr.srq_limit;
+
+	spin_lock(&dev->n_srqs_lock);
+	if (dev->n_srqs_allocated == ib_qib_max_srqs) {
+		spin_unlock(&dev->n_srqs_lock);
+		ret = ERR_PTR(-ENOMEM);
+		goto bail_ip;
+	}
+
+	dev->n_srqs_allocated++;
+	spin_unlock(&dev->n_srqs_lock);
+
+	if (srq->ip) {
+		spin_lock_irq(&dev->pending_lock);
+		list_add(&srq->ip->pending_mmaps, &dev->pending_mmaps);
+		spin_unlock_irq(&dev->pending_lock);
+	}
+
+	ret = &srq->ibsrq;
+	goto done;
+
+bail_ip:
+	kfree(srq->ip);
+bail_wq:
+	vfree(srq->rq.wq);
+bail_srq:
+	kfree(srq);
+done:
+	return ret;
+}
+
+/**
+ * qib_modify_srq - modify a shared receive queue
+ * @ibsrq: the SRQ to modify
+ * @attr: the new attributes of the SRQ
+ * @attr_mask: indicates which attributes to modify
+ * @udata: user data for libibverbs.so
+ */
+int qib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
+		   enum ib_srq_attr_mask attr_mask,
+		   struct ib_udata *udata)
+{
+	struct qib_srq *srq = to_isrq(ibsrq);
+	struct qib_rwq *wq;
+	int ret = 0;
+
+	if (attr_mask & IB_SRQ_MAX_WR) {
+		struct qib_rwq *owq;
+		struct qib_rwqe *p;
+		u32 sz, size, n, head, tail;
+
+		/* Check that the requested sizes are below the limits. */
+		if ((attr->max_wr > ib_qib_max_srq_wrs) ||
+		    ((attr_mask & IB_SRQ_LIMIT) ?
+		     attr->srq_limit : srq->limit) > attr->max_wr) {
+			ret = -EINVAL;
+			goto bail;
+		}
+
+		sz = sizeof(struct qib_rwqe) +
+			srq->rq.max_sge * sizeof(struct ib_sge);
+		size = attr->max_wr + 1;
+		wq = vmalloc_user(sizeof(struct qib_rwq) + size * sz);
+		if (!wq) {
+			ret = -ENOMEM;
+			goto bail;
+		}
+
+		/* Check that we can write the offset to mmap. */
+		if (udata && udata->inlen >= sizeof(__u64)) {
+			__u64 offset_addr;
+			__u64 offset = 0;
+
+			ret = ib_copy_from_udata(&offset_addr, udata,
+						 sizeof(offset_addr));
+			if (ret)
+				goto bail_free;
+			udata->outbuf =
+				(void __user *) (unsigned long) offset_addr;
+			ret = ib_copy_to_udata(udata, &offset,
+					       sizeof(offset));
+			if (ret)
+				goto bail_free;
+		}
+
+		spin_lock_irq(&srq->rq.lock);
+		/*
+		 * validate head and tail pointer values and compute
+		 * the number of remaining WQEs.
+		 */
+		owq = srq->rq.wq;
+		head = owq->head;
+		tail = owq->tail;
+		if (head >= srq->rq.size || tail >= srq->rq.size) {
+			ret = -EINVAL;
+			goto bail_unlock;
+		}
+		n = head;
+		if (n < tail)
+			n += srq->rq.size - tail;
+		else
+			n -= tail;
+		if (size <= n) {
+			ret = -EINVAL;
+			goto bail_unlock;
+		}
+		n = 0;
+		p = wq->wq;
+		while (tail != head) {
+			struct qib_rwqe *wqe;
+			int i;
+
+			wqe = get_rwqe_ptr(&srq->rq, tail);
+			p->wr_id = wqe->wr_id;
+			p->num_sge = wqe->num_sge;
+			for (i = 0; i < wqe->num_sge; i++)
+				p->sg_list[i] = wqe->sg_list[i];
+			n++;
+			p = (struct qib_rwqe *)((char *) p + sz);
+			if (++tail >= srq->rq.size)
+				tail = 0;
+		}
+		srq->rq.wq = wq;
+		srq->rq.size = size;
+		wq->head = n;
+		wq->tail = 0;
+		if (attr_mask & IB_SRQ_LIMIT)
+			srq->limit = attr->srq_limit;
+		spin_unlock_irq(&srq->rq.lock);
+
+		vfree(owq);
+
+		if (srq->ip) {
+			struct qib_mmap_info *ip = srq->ip;
+			struct qib_ibdev *dev = to_idev(srq->ibsrq.device);
+			u32 s = sizeof(struct qib_rwq) + size * sz;
+
+			qib_update_mmap_info(dev, ip, s, wq);
+
+			/*
+			 * Return the offset to mmap.
+			 * See qib_mmap() for details.
+			 */
+			if (udata && udata->inlen >= sizeof(__u64)) {
+				ret = ib_copy_to_udata(udata, &ip->offset,
+						       sizeof(ip->offset));
+				if (ret)
+					goto bail;
+			}
+
+			/*
+			 * Put user mapping info onto the pending list
+			 * unless it already is on the list.
+			 */
+			spin_lock_irq(&dev->pending_lock);
+			if (list_empty(&ip->pending_mmaps))
+				list_add(&ip->pending_mmaps,
+					 &dev->pending_mmaps);
+			spin_unlock_irq(&dev->pending_lock);
+		}
+	} else if (attr_mask & IB_SRQ_LIMIT) {
+		spin_lock_irq(&srq->rq.lock);
+		if (attr->srq_limit >= srq->rq.size)
+			ret = -EINVAL;
+		else
+			srq->limit = attr->srq_limit;
+		spin_unlock_irq(&srq->rq.lock);
+	}
+	goto bail;
+
+bail_unlock:
+	spin_unlock_irq(&srq->rq.lock);
+bail_free:
+	vfree(wq);
+bail:
+	return ret;
+}
+
+int qib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
+{
+	struct qib_srq *srq = to_isrq(ibsrq);
+
+	attr->max_wr = srq->rq.size - 1;
+	attr->max_sge = srq->rq.max_sge;
+	attr->srq_limit = srq->limit;
+	return 0;
+}
+
+/**
+ * qib_destroy_srq - destroy a shared receive queue
+ * @ibsrq: the SRQ to destroy
+ */
+int qib_destroy_srq(struct ib_srq *ibsrq)
+{
+	struct qib_srq *srq = to_isrq(ibsrq);
+	struct qib_ibdev *dev = to_idev(ibsrq->device);
+
+	spin_lock(&dev->n_srqs_lock);
+	dev->n_srqs_allocated--;
+	spin_unlock(&dev->n_srqs_lock);
+	if (srq->ip)
+		kref_put(&srq->ip->ref, qib_release_mmap_info);
+	else
+		vfree(srq->rq.wq);
+	kfree(srq);
+
+	return 0;
+}
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c
new file mode 100644
index 00000000000..dab4d9f4a2c
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_sysfs.c
@@ -0,0 +1,691 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/ctype.h>
+
+#include "qib.h"
+
+/**
+ * qib_parse_ushort - parse an unsigned short value in an arbitrary base
+ * @str: the string containing the number
+ * @valp: where to put the result
+ *
+ * Returns the number of bytes consumed, or negative value on error.
+ */
+static int qib_parse_ushort(const char *str, unsigned short *valp)
+{
+	unsigned long val;
+	char *end;
+	int ret;
+
+	if (!isdigit(str[0])) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	val = simple_strtoul(str, &end, 0);
+
+	if (val > 0xffff) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	*valp = val;
+
+	ret = end + 1 - str;
+	if (ret == 0)
+		ret = -EINVAL;
+
+bail:
+	return ret;
+}
+
+/* start of per-port functions */
+/*
+ * Get/Set heartbeat enable. OR of 1=enabled, 2=auto
+ */
+static ssize_t show_hrtbt_enb(struct qib_pportdata *ppd, char *buf)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int ret;
+
+	ret = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_HRTBT);
+	ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
+	return ret;
+}
+
+static ssize_t store_hrtbt_enb(struct qib_pportdata *ppd, const char *buf,
+			       size_t count)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int ret;
+	u16 val;
+
+	ret = qib_parse_ushort(buf, &val);
+
+	/*
+	 * Set the "intentional" heartbeat enable per either of
+	 * "Enable" and "Auto", as these are normally set together.
+	 * This bit is consulted when leaving loopback mode,
+	 * because entering loopback mode overrides it and automatically
+	 * disables heartbeat.
+	 */
+	if (ret >= 0)
+		ret = dd->f_set_ib_cfg(ppd, QIB_IB_CFG_HRTBT, val);
+	if (ret < 0)
+		qib_dev_err(dd, "attempt to set invalid Heartbeat enable\n");
+	return ret < 0 ? ret : count;
+}
+
+static ssize_t store_loopback(struct qib_pportdata *ppd, const char *buf,
+			      size_t count)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int ret = count, r;
+
+	r = dd->f_set_ib_loopback(ppd, buf);
+	if (r < 0)
+		ret = r;
+
+	return ret;
+}
+
+static ssize_t store_led_override(struct qib_pportdata *ppd, const char *buf,
+				  size_t count)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int ret;
+	u16 val;
+
+	ret = qib_parse_ushort(buf, &val);
+	if (ret > 0)
+		qib_set_led_override(ppd, val);
+	else
+		qib_dev_err(dd, "attempt to set invalid LED override\n");
+	return ret < 0 ? ret : count;
+}
+
+static ssize_t show_status(struct qib_pportdata *ppd, char *buf)
+{
+	ssize_t ret;
+
+	if (!ppd->statusp)
+		ret = -EINVAL;
+	else
+		ret = scnprintf(buf, PAGE_SIZE, "0x%llx\n",
+				(unsigned long long) *(ppd->statusp));
+	return ret;
+}
+
+/*
+ * For userland compatibility, these offsets must remain fixed.
+ * They are strings for QIB_STATUS_*
+ */
+static const char *qib_status_str[] = {
+	"Initted",
+	"",
+	"",
+	"",
+	"",
+	"Present",
+	"IB_link_up",
+	"IB_configured",
+	"",
+	"Fatal_Hardware_Error",
+	NULL,
+};
+
+static ssize_t show_status_str(struct qib_pportdata *ppd, char *buf)
+{
+	int i, any;
+	u64 s;
+	ssize_t ret;
+
+	if (!ppd->statusp) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	s = *(ppd->statusp);
+	*buf = '\0';
+	for (any = i = 0; s && qib_status_str[i]; i++) {
+		if (s & 1) {
+			/* if overflow */
+			if (any && strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE)
+				break;
+			if (strlcat(buf, qib_status_str[i], PAGE_SIZE) >=
+					PAGE_SIZE)
+				break;
+			any = 1;
+		}
+		s >>= 1;
+	}
+	if (any)
+		strlcat(buf, "\n", PAGE_SIZE);
+
+	ret = strlen(buf);
+
+bail:
+	return ret;
+}
+
+/* end of per-port functions */
+
+/*
+ * Start of per-port file structures and support code
+ * Because we are fitting into other infrastructure, we have to supply the
+ * full set of kobject/sysfs_ops structures and routines.
+ */
+#define QIB_PORT_ATTR(name, mode, show, store) \
+	static struct qib_port_attr qib_port_attr_##name = \
+		__ATTR(name, mode, show, store)
+
+struct qib_port_attr {
+	struct attribute attr;
+	ssize_t (*show)(struct qib_pportdata *, char *);
+	ssize_t (*store)(struct qib_pportdata *, const char *, size_t);
+};
+
+QIB_PORT_ATTR(loopback, S_IWUSR, NULL, store_loopback);
+QIB_PORT_ATTR(led_override, S_IWUSR, NULL, store_led_override);
+QIB_PORT_ATTR(hrtbt_enable, S_IWUSR | S_IRUGO, show_hrtbt_enb,
+	      store_hrtbt_enb);
+QIB_PORT_ATTR(status, S_IRUGO, show_status, NULL);
+QIB_PORT_ATTR(status_str, S_IRUGO, show_status_str, NULL);
+
+static struct attribute *port_default_attributes[] = {
+	&qib_port_attr_loopback.attr,
+	&qib_port_attr_led_override.attr,
+	&qib_port_attr_hrtbt_enable.attr,
+	&qib_port_attr_status.attr,
+	&qib_port_attr_status_str.attr,
+	NULL
+};
+
+static ssize_t qib_portattr_show(struct kobject *kobj,
+	struct attribute *attr, char *buf)
+{
+	struct qib_port_attr *pattr =
+		container_of(attr, struct qib_port_attr, attr);
+	struct qib_pportdata *ppd =
+		container_of(kobj, struct qib_pportdata, pport_kobj);
+
+	return pattr->show(ppd, buf);
+}
+
+static ssize_t qib_portattr_store(struct kobject *kobj,
+	struct attribute *attr, const char *buf, size_t len)
+{
+	struct qib_port_attr *pattr =
+		container_of(attr, struct qib_port_attr, attr);
+	struct qib_pportdata *ppd =
+		container_of(kobj, struct qib_pportdata, pport_kobj);
+
+	return pattr->store(ppd, buf, len);
+}
+
+static void qib_port_release(struct kobject *kobj)
+{
+	/* nothing to do since memory is freed by qib_free_devdata() */
+}
+
+static const struct sysfs_ops qib_port_ops = {
+	.show = qib_portattr_show,
+	.store = qib_portattr_store,
+};
+
+static struct kobj_type qib_port_ktype = {
+	.release = qib_port_release,
+	.sysfs_ops = &qib_port_ops,
+	.default_attrs = port_default_attributes
+};
+
+/* Start sl2vl */
+
+#define QIB_SL2VL_ATTR(N) \
+	static struct qib_sl2vl_attr qib_sl2vl_attr_##N = { \
+		.attr = { .name = __stringify(N), .mode = 0444 }, \
+		.sl = N \
+	}
+
+struct qib_sl2vl_attr {
+	struct attribute attr;
+	int sl;
+};
+
+QIB_SL2VL_ATTR(0);
+QIB_SL2VL_ATTR(1);
+QIB_SL2VL_ATTR(2);
+QIB_SL2VL_ATTR(3);
+QIB_SL2VL_ATTR(4);
+QIB_SL2VL_ATTR(5);
+QIB_SL2VL_ATTR(6);
+QIB_SL2VL_ATTR(7);
+QIB_SL2VL_ATTR(8);
+QIB_SL2VL_ATTR(9);
+QIB_SL2VL_ATTR(10);
+QIB_SL2VL_ATTR(11);
+QIB_SL2VL_ATTR(12);
+QIB_SL2VL_ATTR(13);
+QIB_SL2VL_ATTR(14);
+QIB_SL2VL_ATTR(15);
+
+static struct attribute *sl2vl_default_attributes[] = {
+	&qib_sl2vl_attr_0.attr,
+	&qib_sl2vl_attr_1.attr,
+	&qib_sl2vl_attr_2.attr,
+	&qib_sl2vl_attr_3.attr,
+	&qib_sl2vl_attr_4.attr,
+	&qib_sl2vl_attr_5.attr,
+	&qib_sl2vl_attr_6.attr,
+	&qib_sl2vl_attr_7.attr,
+	&qib_sl2vl_attr_8.attr,
+	&qib_sl2vl_attr_9.attr,
+	&qib_sl2vl_attr_10.attr,
+	&qib_sl2vl_attr_11.attr,
+	&qib_sl2vl_attr_12.attr,
+	&qib_sl2vl_attr_13.attr,
+	&qib_sl2vl_attr_14.attr,
+	&qib_sl2vl_attr_15.attr,
+	NULL
+};
+
+static ssize_t sl2vl_attr_show(struct kobject *kobj, struct attribute *attr,
+			       char *buf)
+{
+	struct qib_sl2vl_attr *sattr =
+		container_of(attr, struct qib_sl2vl_attr, attr);
+	struct qib_pportdata *ppd =
+		container_of(kobj, struct qib_pportdata, sl2vl_kobj);
+	struct qib_ibport *qibp = &ppd->ibport_data;
+
+	return sprintf(buf, "%u\n", qibp->sl_to_vl[sattr->sl]);
+}
+
+static const struct sysfs_ops qib_sl2vl_ops = {
+	.show = sl2vl_attr_show,
+};
+
+static struct kobj_type qib_sl2vl_ktype = {
+	.release = qib_port_release,
+	.sysfs_ops = &qib_sl2vl_ops,
+	.default_attrs = sl2vl_default_attributes
+};
+
+/* End sl2vl */
+
+/* Start diag_counters */
+
+#define QIB_DIAGC_ATTR(N) \
+	static struct qib_diagc_attr qib_diagc_attr_##N = { \
+		.attr = { .name = __stringify(N), .mode = 0444 }, \
+		.counter = offsetof(struct qib_ibport, n_##N) \
+	}
+
+struct qib_diagc_attr {
+	struct attribute attr;
+	size_t counter;
+};
+
+QIB_DIAGC_ATTR(rc_resends);
+QIB_DIAGC_ATTR(rc_acks);
+QIB_DIAGC_ATTR(rc_qacks);
+QIB_DIAGC_ATTR(rc_delayed_comp);
+QIB_DIAGC_ATTR(seq_naks);
+QIB_DIAGC_ATTR(rdma_seq);
+QIB_DIAGC_ATTR(rnr_naks);
+QIB_DIAGC_ATTR(other_naks);
+QIB_DIAGC_ATTR(rc_timeouts);
+QIB_DIAGC_ATTR(loop_pkts);
+QIB_DIAGC_ATTR(pkt_drops);
+QIB_DIAGC_ATTR(dmawait);
+QIB_DIAGC_ATTR(unaligned);
+QIB_DIAGC_ATTR(rc_dupreq);
+QIB_DIAGC_ATTR(rc_seqnak);
+
+static struct attribute *diagc_default_attributes[] = {
+	&qib_diagc_attr_rc_resends.attr,
+	&qib_diagc_attr_rc_acks.attr,
+	&qib_diagc_attr_rc_qacks.attr,
+	&qib_diagc_attr_rc_delayed_comp.attr,
+	&qib_diagc_attr_seq_naks.attr,
+	&qib_diagc_attr_rdma_seq.attr,
+	&qib_diagc_attr_rnr_naks.attr,
+	&qib_diagc_attr_other_naks.attr,
+	&qib_diagc_attr_rc_timeouts.attr,
+	&qib_diagc_attr_loop_pkts.attr,
+	&qib_diagc_attr_pkt_drops.attr,
+	&qib_diagc_attr_dmawait.attr,
+	&qib_diagc_attr_unaligned.attr,
+	&qib_diagc_attr_rc_dupreq.attr,
+	&qib_diagc_attr_rc_seqnak.attr,
+	NULL
+};
+
+static ssize_t diagc_attr_show(struct kobject *kobj, struct attribute *attr,
+			       char *buf)
+{
+	struct qib_diagc_attr *dattr =
+		container_of(attr, struct qib_diagc_attr, attr);
+	struct qib_pportdata *ppd =
+		container_of(kobj, struct qib_pportdata, diagc_kobj);
+	struct qib_ibport *qibp = &ppd->ibport_data;
+
+	return sprintf(buf, "%u\n", *(u32 *)((char *)qibp + dattr->counter));
+}
+
+static const struct sysfs_ops qib_diagc_ops = {
+	.show = diagc_attr_show,
+};
+
+static struct kobj_type qib_diagc_ktype = {
+	.release = qib_port_release,
+	.sysfs_ops = &qib_diagc_ops,
+	.default_attrs = diagc_default_attributes
+};
+
+/* End diag_counters */
+
+/* end of per-port file structures and support code */
+
+/*
+ * Start of per-unit (or driver, in some cases, but replicated
+ * per unit) functions (these get a device *)
+ */
+static ssize_t show_rev(struct device *device, struct device_attribute *attr,
+			char *buf)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+
+	return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev);
+}
+
+static ssize_t show_hca(struct device *device, struct device_attribute *attr,
+			char *buf)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	int ret;
+
+	if (!dd->boardname)
+		ret = -EINVAL;
+	else
+		ret = scnprintf(buf, PAGE_SIZE, "%s\n", dd->boardname);
+	return ret;
+}
+
+static ssize_t show_version(struct device *device,
+			    struct device_attribute *attr, char *buf)
+{
+	/* The string printed here is already newline-terminated. */
+	return scnprintf(buf, PAGE_SIZE, "%s", (char *)ib_qib_version);
+}
+
+static ssize_t show_boardversion(struct device *device,
+				 struct device_attribute *attr, char *buf)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+
+	/* The string printed here is already newline-terminated. */
+	return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion);
+}
+
+
+static ssize_t show_localbus_info(struct device *device,
+				  struct device_attribute *attr, char *buf)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+
+	/* The string printed here is already newline-terminated. */
+	return scnprintf(buf, PAGE_SIZE, "%s", dd->lbus_info);
+}
+
+
+static ssize_t show_nctxts(struct device *device,
+			   struct device_attribute *attr, char *buf)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+
+	/* Return the number of user ports (contexts) available. */
+	return scnprintf(buf, PAGE_SIZE, "%u\n", dd->cfgctxts -
+		dd->first_user_ctxt);
+}
+
+static ssize_t show_serial(struct device *device,
+			   struct device_attribute *attr, char *buf)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+
+	buf[sizeof dd->serial] = '\0';
+	memcpy(buf, dd->serial, sizeof dd->serial);
+	strcat(buf, "\n");
+	return strlen(buf);
+}
+
+static ssize_t store_chip_reset(struct device *device,
+				struct device_attribute *attr, const char *buf,
+				size_t count)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	int ret;
+
+	if (count < 5 || memcmp(buf, "reset", 5) || !dd->diag_client) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	ret = qib_reset_device(dd->unit);
+bail:
+	return ret < 0 ? ret : count;
+}
+
+static ssize_t show_logged_errs(struct device *device,
+				struct device_attribute *attr, char *buf)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	int idx, count;
+
+	/* force consistency with actual EEPROM */
+	if (qib_update_eeprom_log(dd) != 0)
+		return -ENXIO;
+
+	count = 0;
+	for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
+		count += scnprintf(buf + count, PAGE_SIZE - count, "%d%c",
+				   dd->eep_st_errs[idx],
+				   idx == (QIB_EEP_LOG_CNT - 1) ? '\n' : ' ');
+	}
+
+	return count;
+}
+
+/*
+ * Dump tempsense regs. in decimal, to ease shell-scripts.
+ */
+static ssize_t show_tempsense(struct device *device,
+			      struct device_attribute *attr, char *buf)
+{
+	struct qib_ibdev *dev =
+		container_of(device, struct qib_ibdev, ibdev.dev);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	int ret;
+	int idx;
+	u8 regvals[8];
+
+	ret = -ENXIO;
+	for (idx = 0; idx < 8; ++idx) {
+		if (idx == 6)
+			continue;
+		ret = dd->f_tempsense_rd(dd, idx);
+		if (ret < 0)
+			break;
+		regvals[idx] = ret;
+	}
+	if (idx == 8)
+		ret = scnprintf(buf, PAGE_SIZE, "%d %d %02X %02X %d %d\n",
+				*(signed char *)(regvals),
+				*(signed char *)(regvals + 1),
+				regvals[2], regvals[3],
+				*(signed char *)(regvals + 5),
+				*(signed char *)(regvals + 7));
+	return ret;
+}
+
+/*
+ * end of per-unit (or driver, in some cases, but replicated
+ * per unit) functions
+ */
+
+/* start of per-unit file structures and support code */
+static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
+static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, show_hca, NULL);
+static DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
+static DEVICE_ATTR(nctxts, S_IRUGO, show_nctxts, NULL);
+static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL);
+static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL);
+static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL);
+static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL);
+static DEVICE_ATTR(localbus_info, S_IRUGO, show_localbus_info, NULL);
+static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset);
+
+static struct device_attribute *qib_attributes[] = {
+	&dev_attr_hw_rev,
+	&dev_attr_hca_type,
+	&dev_attr_board_id,
+	&dev_attr_version,
+	&dev_attr_nctxts,
+	&dev_attr_serial,
+	&dev_attr_boardversion,
+	&dev_attr_logged_errors,
+	&dev_attr_tempsense,
+	&dev_attr_localbus_info,
+	&dev_attr_chip_reset,
+};
+
+int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
+			  struct kobject *kobj)
+{
+	struct qib_pportdata *ppd;
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	int ret;
+
+	if (!port_num || port_num > dd->num_pports) {
+		qib_dev_err(dd, "Skipping infiniband class with "
+			    "invalid port %u\n", port_num);
+		ret = -ENODEV;
+		goto bail;
+	}
+	ppd = &dd->pport[port_num - 1];
+
+	ret = kobject_init_and_add(&ppd->pport_kobj, &qib_port_ktype, kobj,
+				   "linkcontrol");
+	if (ret) {
+		qib_dev_err(dd, "Skipping linkcontrol sysfs info, "
+			    "(err %d) port %u\n", ret, port_num);
+		goto bail;
+	}
+	kobject_uevent(&ppd->pport_kobj, KOBJ_ADD);
+
+	ret = kobject_init_and_add(&ppd->sl2vl_kobj, &qib_sl2vl_ktype, kobj,
+				   "sl2vl");
+	if (ret) {
+		qib_dev_err(dd, "Skipping sl2vl sysfs info, "
+			    "(err %d) port %u\n", ret, port_num);
+		goto bail_sl;
+	}
+	kobject_uevent(&ppd->sl2vl_kobj, KOBJ_ADD);
+
+	ret = kobject_init_and_add(&ppd->diagc_kobj, &qib_diagc_ktype, kobj,
+				   "diag_counters");
+	if (ret) {
+		qib_dev_err(dd, "Skipping diag_counters sysfs info, "
+			    "(err %d) port %u\n", ret, port_num);
+		goto bail_diagc;
+	}
+	kobject_uevent(&ppd->diagc_kobj, KOBJ_ADD);
+
+	return 0;
+
+bail_diagc:
+	kobject_put(&ppd->sl2vl_kobj);
+bail_sl:
+	kobject_put(&ppd->pport_kobj);
+bail:
+	return ret;
+}
+
+/*
+ * Register and create our files in /sys/class/infiniband.
+ */
+int qib_verbs_register_sysfs(struct qib_devdata *dd)
+{
+	struct ib_device *dev = &dd->verbs_dev.ibdev;
+	int i, ret;
+
+	for (i = 0; i < ARRAY_SIZE(qib_attributes); ++i) {
+		ret = device_create_file(&dev->dev, qib_attributes[i]);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+/*
+ * Unregister and remove our files in /sys/class/infiniband.
+ */
+void qib_verbs_unregister_sysfs(struct qib_devdata *dd)
+{
+	struct qib_pportdata *ppd;
+	int i;
+
+	for (i = 0; i < dd->num_pports; i++) {
+		ppd = &dd->pport[i];
+		kobject_put(&ppd->pport_kobj);
+		kobject_put(&ppd->sl2vl_kobj);
+	}
+}
diff --git a/drivers/infiniband/hw/qib/qib_twsi.c b/drivers/infiniband/hw/qib/qib_twsi.c
new file mode 100644
index 00000000000..6f31ca5039d
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_twsi.c
@@ -0,0 +1,498 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/vmalloc.h>
+
+#include "qib.h"
+
+/*
+ * QLogic_IB "Two Wire Serial Interface" driver.
+ * Originally written for a not-quite-i2c serial eeprom, which is
+ * still used on some supported boards. Later boards have added a
+ * variety of other uses, most board-specific, so teh bit-boffing
+ * part has been split off to this file, while the other parts
+ * have been moved to chip-specific files.
+ *
+ * We have also dropped all pretense of fully generic (e.g. pretend
+ * we don't know whether '1' is the higher voltage) interface, as
+ * the restrictions of the generic i2c interface (e.g. no access from
+ * driver itself) make it unsuitable for this use.
+ */
+
+#define READ_CMD 1
+#define WRITE_CMD 0
+
+/**
+ * i2c_wait_for_writes - wait for a write
+ * @dd: the qlogic_ib device
+ *
+ * We use this instead of udelay directly, so we can make sure
+ * that previous register writes have been flushed all the way
+ * to the chip.  Since we are delaying anyway, the cost doesn't
+ * hurt, and makes the bit twiddling more regular
+ */
+static void i2c_wait_for_writes(struct qib_devdata *dd)
+{
+	/*
+	 * implicit read of EXTStatus is as good as explicit
+	 * read of scratch, if all we want to do is flush
+	 * writes.
+	 */
+	dd->f_gpio_mod(dd, 0, 0, 0);
+	rmb(); /* inlined, so prevent compiler reordering */
+}
+
+/*
+ * QSFP modules are allowed to hold SCL low for 500uSec. Allow twice that
+ * for "almost compliant" modules
+ */
+#define SCL_WAIT_USEC 1000
+
+/* BUF_WAIT is time bus must be free between STOP or ACK and to next START.
+ * Should be 20, but some chips need more.
+ */
+#define TWSI_BUF_WAIT_USEC 60
+
+static void scl_out(struct qib_devdata *dd, u8 bit)
+{
+	u32 mask;
+
+	udelay(1);
+
+	mask = 1UL << dd->gpio_scl_num;
+
+	/* SCL is meant to be bare-drain, so never set "OUT", just DIR */
+	dd->f_gpio_mod(dd, 0, bit ? 0 : mask, mask);
+
+	/*
+	 * Allow for slow slaves by simple
+	 * delay for falling edge, sampling on rise.
+	 */
+	if (!bit)
+		udelay(2);
+	else {
+		int rise_usec;
+		for (rise_usec = SCL_WAIT_USEC; rise_usec > 0; rise_usec -= 2) {
+			if (mask & dd->f_gpio_mod(dd, 0, 0, 0))
+				break;
+			udelay(2);
+		}
+		if (rise_usec <= 0)
+			qib_dev_err(dd, "SCL interface stuck low > %d uSec\n",
+				    SCL_WAIT_USEC);
+	}
+	i2c_wait_for_writes(dd);
+}
+
+static void sda_out(struct qib_devdata *dd, u8 bit)
+{
+	u32 mask;
+
+	mask = 1UL << dd->gpio_sda_num;
+
+	/* SDA is meant to be bare-drain, so never set "OUT", just DIR */
+	dd->f_gpio_mod(dd, 0, bit ? 0 : mask, mask);
+
+	i2c_wait_for_writes(dd);
+	udelay(2);
+}
+
+static u8 sda_in(struct qib_devdata *dd, int wait)
+{
+	int bnum;
+	u32 read_val, mask;
+
+	bnum = dd->gpio_sda_num;
+	mask = (1UL << bnum);
+	/* SDA is meant to be bare-drain, so never set "OUT", just DIR */
+	dd->f_gpio_mod(dd, 0, 0, mask);
+	read_val = dd->f_gpio_mod(dd, 0, 0, 0);
+	if (wait)
+		i2c_wait_for_writes(dd);
+	return (read_val & mask) >> bnum;
+}
+
+/**
+ * i2c_ackrcv - see if ack following write is true
+ * @dd: the qlogic_ib device
+ */
+static int i2c_ackrcv(struct qib_devdata *dd)
+{
+	u8 ack_received;
+
+	/* AT ENTRY SCL = LOW */
+	/* change direction, ignore data */
+	ack_received = sda_in(dd, 1);
+	scl_out(dd, 1);
+	ack_received = sda_in(dd, 1) == 0;
+	scl_out(dd, 0);
+	return ack_received;
+}
+
+static void stop_cmd(struct qib_devdata *dd);
+
+/**
+ * rd_byte - read a byte, sending STOP on last, else ACK
+ * @dd: the qlogic_ib device
+ *
+ * Returns byte shifted out of device
+ */
+static int rd_byte(struct qib_devdata *dd, int last)
+{
+	int bit_cntr, data;
+
+	data = 0;
+
+	for (bit_cntr = 7; bit_cntr >= 0; --bit_cntr) {
+		data <<= 1;
+		scl_out(dd, 1);
+		data |= sda_in(dd, 0);
+		scl_out(dd, 0);
+	}
+	if (last) {
+		scl_out(dd, 1);
+		stop_cmd(dd);
+	} else {
+		sda_out(dd, 0);
+		scl_out(dd, 1);
+		scl_out(dd, 0);
+		sda_out(dd, 1);
+	}
+	return data;
+}
+
+/**
+ * wr_byte - write a byte, one bit at a time
+ * @dd: the qlogic_ib device
+ * @data: the byte to write
+ *
+ * Returns 0 if we got the following ack, otherwise 1
+ */
+static int wr_byte(struct qib_devdata *dd, u8 data)
+{
+	int bit_cntr;
+	u8 bit;
+
+	for (bit_cntr = 7; bit_cntr >= 0; bit_cntr--) {
+		bit = (data >> bit_cntr) & 1;
+		sda_out(dd, bit);
+		scl_out(dd, 1);
+		scl_out(dd, 0);
+	}
+	return (!i2c_ackrcv(dd)) ? 1 : 0;
+}
+
+/*
+ * issue TWSI start sequence:
+ * (both clock/data high, clock high, data low while clock is high)
+ */
+static void start_seq(struct qib_devdata *dd)
+{
+	sda_out(dd, 1);
+	scl_out(dd, 1);
+	sda_out(dd, 0);
+	udelay(1);
+	scl_out(dd, 0);
+}
+
+/**
+ * stop_seq - transmit the stop sequence
+ * @dd: the qlogic_ib device
+ *
+ * (both clock/data low, clock high, data high while clock is high)
+ */
+static void stop_seq(struct qib_devdata *dd)
+{
+	scl_out(dd, 0);
+	sda_out(dd, 0);
+	scl_out(dd, 1);
+	sda_out(dd, 1);
+}
+
+/**
+ * stop_cmd - transmit the stop condition
+ * @dd: the qlogic_ib device
+ *
+ * (both clock/data low, clock high, data high while clock is high)
+ */
+static void stop_cmd(struct qib_devdata *dd)
+{
+	stop_seq(dd);
+	udelay(TWSI_BUF_WAIT_USEC);
+}
+
+/**
+ * qib_twsi_reset - reset I2C communication
+ * @dd: the qlogic_ib device
+ */
+
+int qib_twsi_reset(struct qib_devdata *dd)
+{
+	int clock_cycles_left = 9;
+	int was_high = 0;
+	u32 pins, mask;
+
+	/* Both SCL and SDA should be high. If not, there
+	 * is something wrong.
+	 */
+	mask = (1UL << dd->gpio_scl_num) | (1UL << dd->gpio_sda_num);
+
+	/*
+	 * Force pins to desired innocuous state.
+	 * This is the default power-on state with out=0 and dir=0,
+	 * So tri-stated and should be floating high (barring HW problems)
+	 */
+	dd->f_gpio_mod(dd, 0, 0, mask);
+
+	/*
+	 * Clock nine times to get all listeners into a sane state.
+	 * If SDA does not go high at any point, we are wedged.
+	 * One vendor recommends then issuing START followed by STOP.
+	 * we cannot use our "normal" functions to do that, because
+	 * if SCL drops between them, another vendor's part will
+	 * wedge, dropping SDA and keeping it low forever, at the end of
+	 * the next transaction (even if it was not the device addressed).
+	 * So our START and STOP take place with SCL held high.
+	 */
+	while (clock_cycles_left--) {
+		scl_out(dd, 0);
+		scl_out(dd, 1);
+		/* Note if SDA is high, but keep clocking to sync slave */
+		was_high |= sda_in(dd, 0);
+	}
+
+	if (was_high) {
+		/*
+		 * We saw a high, which we hope means the slave is sync'd.
+		 * Issue START, STOP, pause for T_BUF.
+		 */
+
+		pins = dd->f_gpio_mod(dd, 0, 0, 0);
+		if ((pins & mask) != mask)
+			qib_dev_err(dd, "GPIO pins not at rest: %d\n",
+				    pins & mask);
+		/* Drop SDA to issue START */
+		udelay(1); /* Guarantee .6 uSec setup */
+		sda_out(dd, 0);
+		udelay(1); /* Guarantee .6 uSec hold */
+		/* At this point, SCL is high, SDA low. Raise SDA for STOP */
+		sda_out(dd, 1);
+		udelay(TWSI_BUF_WAIT_USEC);
+	}
+
+	return !was_high;
+}
+
+#define QIB_TWSI_START 0x100
+#define QIB_TWSI_STOP 0x200
+
+/* Write byte to TWSI, optionally prefixed with START or suffixed with
+ * STOP.
+ * returns 0 if OK (ACK received), else != 0
+ */
+static int qib_twsi_wr(struct qib_devdata *dd, int data, int flags)
+{
+	int ret = 1;
+	if (flags & QIB_TWSI_START)
+		start_seq(dd);
+
+	ret = wr_byte(dd, data); /* Leaves SCL low (from i2c_ackrcv()) */
+
+	if (flags & QIB_TWSI_STOP)
+		stop_cmd(dd);
+	return ret;
+}
+
+/* Added functionality for IBA7220-based cards */
+#define QIB_TEMP_DEV 0x98
+
+/*
+ * qib_twsi_blk_rd
+ * Formerly called qib_eeprom_internal_read, and only used for eeprom,
+ * but now the general interface for data transfer from twsi devices.
+ * One vestige of its former role is that it recognizes a device
+ * QIB_TWSI_NO_DEV and does the correct operation for the legacy part,
+ * which responded to all TWSI device codes, interpreting them as
+ * address within device. On all other devices found on board handled by
+ * this driver, the device is followed by a one-byte "address" which selects
+ * the "register" or "offset" within the device from which data should
+ * be read.
+ */
+int qib_twsi_blk_rd(struct qib_devdata *dd, int dev, int addr,
+		    void *buffer, int len)
+{
+	int ret;
+	u8 *bp = buffer;
+
+	ret = 1;
+
+	if (dev == QIB_TWSI_NO_DEV) {
+		/* legacy not-really-I2C */
+		addr = (addr << 1) | READ_CMD;
+		ret = qib_twsi_wr(dd, addr, QIB_TWSI_START);
+	} else {
+		/* Actual I2C */
+		ret = qib_twsi_wr(dd, dev | WRITE_CMD, QIB_TWSI_START);
+		if (ret) {
+			stop_cmd(dd);
+			ret = 1;
+			goto bail;
+		}
+		/*
+		 * SFF spec claims we do _not_ stop after the addr
+		 * but simply issue a start with the "read" dev-addr.
+		 * Since we are implicitely waiting for ACK here,
+		 * we need t_buf (nominally 20uSec) before that start,
+		 * and cannot rely on the delay built in to the STOP
+		 */
+		ret = qib_twsi_wr(dd, addr, 0);
+		udelay(TWSI_BUF_WAIT_USEC);
+
+		if (ret) {
+			qib_dev_err(dd,
+				"Failed to write interface read addr %02X\n",
+				addr);
+			ret = 1;
+			goto bail;
+		}
+		ret = qib_twsi_wr(dd, dev | READ_CMD, QIB_TWSI_START);
+	}
+	if (ret) {
+		stop_cmd(dd);
+		ret = 1;
+		goto bail;
+	}
+
+	/*
+	 * block devices keeps clocking data out as long as we ack,
+	 * automatically incrementing the address. Some have "pages"
+	 * whose boundaries will not be crossed, but the handling
+	 * of these is left to the caller, who is in a better
+	 * position to know.
+	 */
+	while (len-- > 0) {
+		/*
+		 * Get and store data, sending ACK if length remaining,
+		 * else STOP
+		 */
+		*bp++ = rd_byte(dd, !len);
+	}
+
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/*
+ * qib_twsi_blk_wr
+ * Formerly called qib_eeprom_internal_write, and only used for eeprom,
+ * but now the general interface for data transfer to twsi devices.
+ * One vestige of its former role is that it recognizes a device
+ * QIB_TWSI_NO_DEV and does the correct operation for the legacy part,
+ * which responded to all TWSI device codes, interpreting them as
+ * address within device. On all other devices found on board handled by
+ * this driver, the device is followed by a one-byte "address" which selects
+ * the "register" or "offset" within the device to which data should
+ * be written.
+ */
+int qib_twsi_blk_wr(struct qib_devdata *dd, int dev, int addr,
+		    const void *buffer, int len)
+{
+	int sub_len;
+	const u8 *bp = buffer;
+	int max_wait_time, i;
+	int ret;
+	ret = 1;
+
+	while (len > 0) {
+		if (dev == QIB_TWSI_NO_DEV) {
+			if (qib_twsi_wr(dd, (addr << 1) | WRITE_CMD,
+					QIB_TWSI_START)) {
+				goto failed_write;
+			}
+		} else {
+			/* Real I2C */
+			if (qib_twsi_wr(dd, dev | WRITE_CMD, QIB_TWSI_START))
+				goto failed_write;
+			ret = qib_twsi_wr(dd, addr, 0);
+			if (ret) {
+				qib_dev_err(dd, "Failed to write interface"
+					    " write addr %02X\n", addr);
+				goto failed_write;
+			}
+		}
+
+		sub_len = min(len, 4);
+		addr += sub_len;
+		len -= sub_len;
+
+		for (i = 0; i < sub_len; i++)
+			if (qib_twsi_wr(dd, *bp++, 0))
+				goto failed_write;
+
+		stop_cmd(dd);
+
+		/*
+		 * Wait for write complete by waiting for a successful
+		 * read (the chip replies with a zero after the write
+		 * cmd completes, and before it writes to the eeprom.
+		 * The startcmd for the read will fail the ack until
+		 * the writes have completed.   We do this inline to avoid
+		 * the debug prints that are in the real read routine
+		 * if the startcmd fails.
+		 * We also use the proper device address, so it doesn't matter
+		 * whether we have real eeprom_dev. Legacy likes any address.
+		 */
+		max_wait_time = 100;
+		while (qib_twsi_wr(dd, dev | READ_CMD, QIB_TWSI_START)) {
+			stop_cmd(dd);
+			if (!--max_wait_time)
+				goto failed_write;
+		}
+		/* now read (and ignore) the resulting byte */
+		rd_byte(dd, 1);
+	}
+
+	ret = 0;
+	goto bail;
+
+failed_write:
+	stop_cmd(dd);
+	ret = 1;
+
+bail:
+	return ret;
+}
diff --git a/drivers/infiniband/hw/qib/qib_tx.c b/drivers/infiniband/hw/qib/qib_tx.c
new file mode 100644
index 00000000000..f7eb1ddff5f
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_tx.c
@@ -0,0 +1,557 @@
+/*
+ * Copyright (c) 2008, 2009, 2010 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/spinlock.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/vmalloc.h>
+
+#include "qib.h"
+
+static unsigned qib_hol_timeout_ms = 3000;
+module_param_named(hol_timeout_ms, qib_hol_timeout_ms, uint, S_IRUGO);
+MODULE_PARM_DESC(hol_timeout_ms,
+		 "duration of user app suspension after link failure");
+
+unsigned qib_sdma_fetch_arb = 1;
+module_param_named(fetch_arb, qib_sdma_fetch_arb, uint, S_IRUGO);
+MODULE_PARM_DESC(fetch_arb, "IBA7220: change SDMA descriptor arbitration");
+
+/**
+ * qib_disarm_piobufs - cancel a range of PIO buffers
+ * @dd: the qlogic_ib device
+ * @first: the first PIO buffer to cancel
+ * @cnt: the number of PIO buffers to cancel
+ *
+ * Cancel a range of PIO buffers. Used at user process close,
+ * in case it died while writing to a PIO buffer.
+ */
+void qib_disarm_piobufs(struct qib_devdata *dd, unsigned first, unsigned cnt)
+{
+	unsigned long flags;
+	unsigned i;
+	unsigned last;
+
+	last = first + cnt;
+	spin_lock_irqsave(&dd->pioavail_lock, flags);
+	for (i = first; i < last; i++) {
+		__clear_bit(i, dd->pio_need_disarm);
+		dd->f_sendctrl(dd->pport, QIB_SENDCTRL_DISARM_BUF(i));
+	}
+	spin_unlock_irqrestore(&dd->pioavail_lock, flags);
+}
+
+/*
+ * This is called by a user process when it sees the DISARM_BUFS event
+ * bit is set.
+ */
+int qib_disarm_piobufs_ifneeded(struct qib_ctxtdata *rcd)
+{
+	struct qib_devdata *dd = rcd->dd;
+	unsigned i;
+	unsigned last;
+	unsigned n = 0;
+
+	last = rcd->pio_base + rcd->piocnt;
+	/*
+	 * Don't need uctxt_lock here, since user has called in to us.
+	 * Clear at start in case more interrupts set bits while we
+	 * are disarming
+	 */
+	if (rcd->user_event_mask) {
+		/*
+		 * subctxt_cnt is 0 if not shared, so do base
+		 * separately, first, then remaining subctxt, if any
+		 */
+		clear_bit(_QIB_EVENT_DISARM_BUFS_BIT, &rcd->user_event_mask[0]);
+		for (i = 1; i < rcd->subctxt_cnt; i++)
+			clear_bit(_QIB_EVENT_DISARM_BUFS_BIT,
+				  &rcd->user_event_mask[i]);
+	}
+	spin_lock_irq(&dd->pioavail_lock);
+	for (i = rcd->pio_base; i < last; i++) {
+		if (__test_and_clear_bit(i, dd->pio_need_disarm)) {
+			n++;
+			dd->f_sendctrl(rcd->ppd, QIB_SENDCTRL_DISARM_BUF(i));
+		}
+	}
+	spin_unlock_irq(&dd->pioavail_lock);
+	return 0;
+}
+
+static struct qib_pportdata *is_sdma_buf(struct qib_devdata *dd, unsigned i)
+{
+	struct qib_pportdata *ppd;
+	unsigned pidx;
+
+	for (pidx = 0; pidx < dd->num_pports; pidx++) {
+		ppd = dd->pport + pidx;
+		if (i >= ppd->sdma_state.first_sendbuf &&
+		    i < ppd->sdma_state.last_sendbuf)
+			return ppd;
+	}
+	return NULL;
+}
+
+/*
+ * Return true if send buffer is being used by a user context.
+ * Sets  _QIB_EVENT_DISARM_BUFS_BIT in user_event_mask as a side effect
+ */
+static int find_ctxt(struct qib_devdata *dd, unsigned bufn)
+{
+	struct qib_ctxtdata *rcd;
+	unsigned ctxt;
+	int ret = 0;
+
+	spin_lock(&dd->uctxt_lock);
+	for (ctxt = dd->first_user_ctxt; ctxt < dd->cfgctxts; ctxt++) {
+		rcd = dd->rcd[ctxt];
+		if (!rcd || bufn < rcd->pio_base ||
+		    bufn >= rcd->pio_base + rcd->piocnt)
+			continue;
+		if (rcd->user_event_mask) {
+			int i;
+			/*
+			 * subctxt_cnt is 0 if not shared, so do base
+			 * separately, first, then remaining subctxt, if any
+			 */
+			set_bit(_QIB_EVENT_DISARM_BUFS_BIT,
+				&rcd->user_event_mask[0]);
+			for (i = 1; i < rcd->subctxt_cnt; i++)
+				set_bit(_QIB_EVENT_DISARM_BUFS_BIT,
+					&rcd->user_event_mask[i]);
+		}
+		ret = 1;
+		break;
+	}
+	spin_unlock(&dd->uctxt_lock);
+
+	return ret;
+}
+
+/*
+ * Disarm a set of send buffers.  If the buffer might be actively being
+ * written to, mark the buffer to be disarmed later when it is not being
+ * written to.
+ *
+ * This should only be called from the IRQ error handler.
+ */
+void qib_disarm_piobufs_set(struct qib_devdata *dd, unsigned long *mask,
+			    unsigned cnt)
+{
+	struct qib_pportdata *ppd, *pppd[dd->num_pports];
+	unsigned i;
+	unsigned long flags;
+
+	for (i = 0; i < dd->num_pports; i++)
+		pppd[i] = NULL;
+
+	for (i = 0; i < cnt; i++) {
+		int which;
+		if (!test_bit(i, mask))
+			continue;
+		/*
+		 * If the buffer is owned by the DMA hardware,
+		 * reset the DMA engine.
+		 */
+		ppd = is_sdma_buf(dd, i);
+		if (ppd) {
+			pppd[ppd->port] = ppd;
+			continue;
+		}
+		/*
+		 * If the kernel is writing the buffer or the buffer is
+		 * owned by a user process, we can't clear it yet.
+		 */
+		spin_lock_irqsave(&dd->pioavail_lock, flags);
+		if (test_bit(i, dd->pio_writing) ||
+		    (!test_bit(i << 1, dd->pioavailkernel) &&
+		     find_ctxt(dd, i))) {
+			__set_bit(i, dd->pio_need_disarm);
+			which = 0;
+		} else {
+			which = 1;
+			dd->f_sendctrl(dd->pport, QIB_SENDCTRL_DISARM_BUF(i));
+		}
+		spin_unlock_irqrestore(&dd->pioavail_lock, flags);
+	}
+
+	/* do cancel_sends once per port that had sdma piobufs in error */
+	for (i = 0; i < dd->num_pports; i++)
+		if (pppd[i])
+			qib_cancel_sends(pppd[i]);
+}
+
+/**
+ * update_send_bufs - update shadow copy of the PIO availability map
+ * @dd: the qlogic_ib device
+ *
+ * called whenever our local copy indicates we have run out of send buffers
+ */
+static void update_send_bufs(struct qib_devdata *dd)
+{
+	unsigned long flags;
+	unsigned i;
+	const unsigned piobregs = dd->pioavregs;
+
+	/*
+	 * If the generation (check) bits have changed, then we update the
+	 * busy bit for the corresponding PIO buffer.  This algorithm will
+	 * modify positions to the value they already have in some cases
+	 * (i.e., no change), but it's faster than changing only the bits
+	 * that have changed.
+	 *
+	 * We would like to do this atomicly, to avoid spinlocks in the
+	 * critical send path, but that's not really possible, given the
+	 * type of changes, and that this routine could be called on
+	 * multiple cpu's simultaneously, so we lock in this routine only,
+	 * to avoid conflicting updates; all we change is the shadow, and
+	 * it's a single 64 bit memory location, so by definition the update
+	 * is atomic in terms of what other cpu's can see in testing the
+	 * bits.  The spin_lock overhead isn't too bad, since it only
+	 * happens when all buffers are in use, so only cpu overhead, not
+	 * latency or bandwidth is affected.
+	 */
+	if (!dd->pioavailregs_dma)
+		return;
+	spin_lock_irqsave(&dd->pioavail_lock, flags);
+	for (i = 0; i < piobregs; i++) {
+		u64 pchbusy, pchg, piov, pnew;
+
+		piov = le64_to_cpu(dd->pioavailregs_dma[i]);
+		pchg = dd->pioavailkernel[i] &
+			~(dd->pioavailshadow[i] ^ piov);
+		pchbusy = pchg << QLOGIC_IB_SENDPIOAVAIL_BUSY_SHIFT;
+		if (pchg && (pchbusy & dd->pioavailshadow[i])) {
+			pnew = dd->pioavailshadow[i] & ~pchbusy;
+			pnew |= piov & pchbusy;
+			dd->pioavailshadow[i] = pnew;
+		}
+	}
+	spin_unlock_irqrestore(&dd->pioavail_lock, flags);
+}
+
+/*
+ * Debugging code and stats updates if no pio buffers available.
+ */
+static noinline void no_send_bufs(struct qib_devdata *dd)
+{
+	dd->upd_pio_shadow = 1;
+
+	/* not atomic, but if we lose a stat count in a while, that's OK */
+	qib_stats.sps_nopiobufs++;
+}
+
+/*
+ * Common code for normal driver send buffer allocation, and reserved
+ * allocation.
+ *
+ * Do appropriate marking as busy, etc.
+ * Returns buffer pointer if one is found, otherwise NULL.
+ */
+u32 __iomem *qib_getsendbuf_range(struct qib_devdata *dd, u32 *pbufnum,
+				  u32 first, u32 last)
+{
+	unsigned i, j, updated = 0;
+	unsigned nbufs;
+	unsigned long flags;
+	unsigned long *shadow = dd->pioavailshadow;
+	u32 __iomem *buf;
+
+	if (!(dd->flags & QIB_PRESENT))
+		return NULL;
+
+	nbufs = last - first + 1; /* number in range to check */
+	if (dd->upd_pio_shadow) {
+		/*
+		 * Minor optimization.  If we had no buffers on last call,
+		 * start out by doing the update; continue and do scan even
+		 * if no buffers were updated, to be paranoid.
+		 */
+		update_send_bufs(dd);
+		updated++;
+	}
+	i = first;
+rescan:
+	/*
+	 * While test_and_set_bit() is atomic, we do that and then the
+	 * change_bit(), and the pair is not.  See if this is the cause
+	 * of the remaining armlaunch errors.
+	 */
+	spin_lock_irqsave(&dd->pioavail_lock, flags);
+	for (j = 0; j < nbufs; j++, i++) {
+		if (i > last)
+			i = first;
+		if (__test_and_set_bit((2 * i) + 1, shadow))
+			continue;
+		/* flip generation bit */
+		__change_bit(2 * i, shadow);
+		/* remember that the buffer can be written to now */
+		__set_bit(i, dd->pio_writing);
+		break;
+	}
+	spin_unlock_irqrestore(&dd->pioavail_lock, flags);
+
+	if (j == nbufs) {
+		if (!updated) {
+			/*
+			 * First time through; shadow exhausted, but may be
+			 * buffers available, try an update and then rescan.
+			 */
+			update_send_bufs(dd);
+			updated++;
+			i = first;
+			goto rescan;
+		}
+		no_send_bufs(dd);
+		buf = NULL;
+	} else {
+		if (i < dd->piobcnt2k)
+			buf = (u32 __iomem *)(dd->pio2kbase +
+				i * dd->palign);
+		else
+			buf = (u32 __iomem *)(dd->pio4kbase +
+				(i - dd->piobcnt2k) * dd->align4k);
+		if (pbufnum)
+			*pbufnum = i;
+		dd->upd_pio_shadow = 0;
+	}
+
+	return buf;
+}
+
+/*
+ * Record that the caller is finished writing to the buffer so we don't
+ * disarm it while it is being written and disarm it now if needed.
+ */
+void qib_sendbuf_done(struct qib_devdata *dd, unsigned n)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dd->pioavail_lock, flags);
+	__clear_bit(n, dd->pio_writing);
+	if (__test_and_clear_bit(n, dd->pio_need_disarm))
+		dd->f_sendctrl(dd->pport, QIB_SENDCTRL_DISARM_BUF(n));
+	spin_unlock_irqrestore(&dd->pioavail_lock, flags);
+}
+
+/**
+ * qib_chg_pioavailkernel - change which send buffers are available for kernel
+ * @dd: the qlogic_ib device
+ * @start: the starting send buffer number
+ * @len: the number of send buffers
+ * @avail: true if the buffers are available for kernel use, false otherwise
+ */
+void qib_chg_pioavailkernel(struct qib_devdata *dd, unsigned start,
+	unsigned len, u32 avail, struct qib_ctxtdata *rcd)
+{
+	unsigned long flags;
+	unsigned end;
+	unsigned ostart = start;
+
+	/* There are two bits per send buffer (busy and generation) */
+	start *= 2;
+	end = start + len * 2;
+
+	spin_lock_irqsave(&dd->pioavail_lock, flags);
+	/* Set or clear the busy bit in the shadow. */
+	while (start < end) {
+		if (avail) {
+			unsigned long dma;
+			int i;
+
+			/*
+			 * The BUSY bit will never be set, because we disarm
+			 * the user buffers before we hand them back to the
+			 * kernel.  We do have to make sure the generation
+			 * bit is set correctly in shadow, since it could
+			 * have changed many times while allocated to user.
+			 * We can't use the bitmap functions on the full
+			 * dma array because it is always little-endian, so
+			 * we have to flip to host-order first.
+			 * BITS_PER_LONG is slightly wrong, since it's
+			 * always 64 bits per register in chip...
+			 * We only work on 64 bit kernels, so that's OK.
+			 */
+			i = start / BITS_PER_LONG;
+			__clear_bit(QLOGIC_IB_SENDPIOAVAIL_BUSY_SHIFT + start,
+				    dd->pioavailshadow);
+			dma = (unsigned long)
+				le64_to_cpu(dd->pioavailregs_dma[i]);
+			if (test_bit((QLOGIC_IB_SENDPIOAVAIL_CHECK_SHIFT +
+				      start) % BITS_PER_LONG, &dma))
+				__set_bit(QLOGIC_IB_SENDPIOAVAIL_CHECK_SHIFT +
+					  start, dd->pioavailshadow);
+			else
+				__clear_bit(QLOGIC_IB_SENDPIOAVAIL_CHECK_SHIFT
+					    + start, dd->pioavailshadow);
+			__set_bit(start, dd->pioavailkernel);
+		} else {
+			__set_bit(start + QLOGIC_IB_SENDPIOAVAIL_BUSY_SHIFT,
+				  dd->pioavailshadow);
+			__clear_bit(start, dd->pioavailkernel);
+		}
+		start += 2;
+	}
+
+	spin_unlock_irqrestore(&dd->pioavail_lock, flags);
+
+	dd->f_txchk_change(dd, ostart, len, avail, rcd);
+}
+
+/*
+ * Flush all sends that might be in the ready to send state, as well as any
+ * that are in the process of being sent.  Used whenever we need to be
+ * sure the send side is idle.  Cleans up all buffer state by canceling
+ * all pio buffers, and issuing an abort, which cleans up anything in the
+ * launch fifo.  The cancel is superfluous on some chip versions, but
+ * it's safer to always do it.
+ * PIOAvail bits are updated by the chip as if a normal send had happened.
+ */
+void qib_cancel_sends(struct qib_pportdata *ppd)
+{
+	struct qib_devdata *dd = ppd->dd;
+	struct qib_ctxtdata *rcd;
+	unsigned long flags;
+	unsigned ctxt;
+	unsigned i;
+	unsigned last;
+
+	/*
+	 * Tell PSM to disarm buffers again before trying to reuse them.
+	 * We need to be sure the rcd doesn't change out from under us
+	 * while we do so.  We hold the two locks sequentially.  We might
+	 * needlessly set some need_disarm bits as a result, if the
+	 * context is closed after we release the uctxt_lock, but that's
+	 * fairly benign, and safer than nesting the locks.
+	 */
+	for (ctxt = dd->first_user_ctxt; ctxt < dd->cfgctxts; ctxt++) {
+		spin_lock_irqsave(&dd->uctxt_lock, flags);
+		rcd = dd->rcd[ctxt];
+		if (rcd && rcd->ppd == ppd) {
+			last = rcd->pio_base + rcd->piocnt;
+			if (rcd->user_event_mask) {
+				/*
+				 * subctxt_cnt is 0 if not shared, so do base
+				 * separately, first, then remaining subctxt,
+				 * if any
+				 */
+				set_bit(_QIB_EVENT_DISARM_BUFS_BIT,
+					&rcd->user_event_mask[0]);
+				for (i = 1; i < rcd->subctxt_cnt; i++)
+					set_bit(_QIB_EVENT_DISARM_BUFS_BIT,
+						&rcd->user_event_mask[i]);
+			}
+			i = rcd->pio_base;
+			spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+			spin_lock_irqsave(&dd->pioavail_lock, flags);
+			for (; i < last; i++)
+				__set_bit(i, dd->pio_need_disarm);
+			spin_unlock_irqrestore(&dd->pioavail_lock, flags);
+		} else
+			spin_unlock_irqrestore(&dd->uctxt_lock, flags);
+	}
+
+	if (!(dd->flags & QIB_HAS_SEND_DMA))
+		dd->f_sendctrl(ppd, QIB_SENDCTRL_DISARM_ALL |
+				    QIB_SENDCTRL_FLUSH);
+}
+
+/*
+ * Force an update of in-memory copy of the pioavail registers, when
+ * needed for any of a variety of reasons.
+ * If already off, this routine is a nop, on the assumption that the
+ * caller (or set of callers) will "do the right thing".
+ * This is a per-device operation, so just the first port.
+ */
+void qib_force_pio_avail_update(struct qib_devdata *dd)
+{
+	dd->f_sendctrl(dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
+}
+
+void qib_hol_down(struct qib_pportdata *ppd)
+{
+	/*
+	 * Cancel sends when the link goes DOWN so that we aren't doing it
+	 * at INIT when we might be trying to send SMI packets.
+	 */
+	if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG))
+		qib_cancel_sends(ppd);
+}
+
+/*
+ * Link is at INIT.
+ * We start the HoL timer so we can detect stuck packets blocking SMP replies.
+ * Timer may already be running, so use mod_timer, not add_timer.
+ */
+void qib_hol_init(struct qib_pportdata *ppd)
+{
+	if (ppd->hol_state != QIB_HOL_INIT) {
+		ppd->hol_state = QIB_HOL_INIT;
+		mod_timer(&ppd->hol_timer,
+			  jiffies + msecs_to_jiffies(qib_hol_timeout_ms));
+	}
+}
+
+/*
+ * Link is up, continue any user processes, and ensure timer
+ * is a nop, if running.  Let timer keep running, if set; it
+ * will nop when it sees the link is up.
+ */
+void qib_hol_up(struct qib_pportdata *ppd)
+{
+	ppd->hol_state = QIB_HOL_UP;
+}
+
+/*
+ * This is only called via the timer.
+ */
+void qib_hol_event(unsigned long opaque)
+{
+	struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
+
+	/* If hardware error, etc, skip. */
+	if (!(ppd->dd->flags & QIB_INITTED))
+		return;
+
+	if (ppd->hol_state != QIB_HOL_UP) {
+		/*
+		 * Try to flush sends in case a stuck packet is blocking
+		 * SMP replies.
+		 */
+		qib_hol_down(ppd);
+		mod_timer(&ppd->hol_timer,
+			  jiffies + msecs_to_jiffies(qib_hol_timeout_ms));
+	}
+}
diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c
new file mode 100644
index 00000000000..6c7fe78cca6
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_uc.c
@@ -0,0 +1,555 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "qib.h"
+
+/* cut down ridiculously long IB macro names */
+#define OP(x) IB_OPCODE_UC_##x
+
+/**
+ * qib_make_uc_req - construct a request packet (SEND, RDMA write)
+ * @qp: a pointer to the QP
+ *
+ * Return 1 if constructed; otherwise, return 0.
+ */
+int qib_make_uc_req(struct qib_qp *qp)
+{
+	struct qib_other_headers *ohdr;
+	struct qib_swqe *wqe;
+	unsigned long flags;
+	u32 hwords;
+	u32 bth0;
+	u32 len;
+	u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
+	int ret = 0;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_SEND_OK)) {
+		if (!(ib_qib_state_ops[qp->state] & QIB_FLUSH_SEND))
+			goto bail;
+		/* We are in the error state, flush the work request. */
+		if (qp->s_last == qp->s_head)
+			goto bail;
+		/* If DMAs are in progress, we can't flush immediately. */
+		if (atomic_read(&qp->s_dma_busy)) {
+			qp->s_flags |= QIB_S_WAIT_DMA;
+			goto bail;
+		}
+		wqe = get_swqe_ptr(qp, qp->s_last);
+		qib_send_complete(qp, wqe, IB_WC_WR_FLUSH_ERR);
+		goto done;
+	}
+
+	ohdr = &qp->s_hdr.u.oth;
+	if (qp->remote_ah_attr.ah_flags & IB_AH_GRH)
+		ohdr = &qp->s_hdr.u.l.oth;
+
+	/* header size in 32-bit words LRH+BTH = (8+12)/4. */
+	hwords = 5;
+	bth0 = 0;
+
+	/* Get the next send request. */
+	wqe = get_swqe_ptr(qp, qp->s_cur);
+	qp->s_wqe = NULL;
+	switch (qp->s_state) {
+	default:
+		if (!(ib_qib_state_ops[qp->state] &
+		    QIB_PROCESS_NEXT_SEND_OK))
+			goto bail;
+		/* Check if send work queue is empty. */
+		if (qp->s_cur == qp->s_head)
+			goto bail;
+		/*
+		 * Start a new request.
+		 */
+		wqe->psn = qp->s_next_psn;
+		qp->s_psn = qp->s_next_psn;
+		qp->s_sge.sge = wqe->sg_list[0];
+		qp->s_sge.sg_list = wqe->sg_list + 1;
+		qp->s_sge.num_sge = wqe->wr.num_sge;
+		qp->s_sge.total_len = wqe->length;
+		len = wqe->length;
+		qp->s_len = len;
+		switch (wqe->wr.opcode) {
+		case IB_WR_SEND:
+		case IB_WR_SEND_WITH_IMM:
+			if (len > pmtu) {
+				qp->s_state = OP(SEND_FIRST);
+				len = pmtu;
+				break;
+			}
+			if (wqe->wr.opcode == IB_WR_SEND)
+				qp->s_state = OP(SEND_ONLY);
+			else {
+				qp->s_state =
+					OP(SEND_ONLY_WITH_IMMEDIATE);
+				/* Immediate data comes after the BTH */
+				ohdr->u.imm_data = wqe->wr.ex.imm_data;
+				hwords += 1;
+			}
+			if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+				bth0 |= IB_BTH_SOLICITED;
+			qp->s_wqe = wqe;
+			if (++qp->s_cur >= qp->s_size)
+				qp->s_cur = 0;
+			break;
+
+		case IB_WR_RDMA_WRITE:
+		case IB_WR_RDMA_WRITE_WITH_IMM:
+			ohdr->u.rc.reth.vaddr =
+				cpu_to_be64(wqe->wr.wr.rdma.remote_addr);
+			ohdr->u.rc.reth.rkey =
+				cpu_to_be32(wqe->wr.wr.rdma.rkey);
+			ohdr->u.rc.reth.length = cpu_to_be32(len);
+			hwords += sizeof(struct ib_reth) / 4;
+			if (len > pmtu) {
+				qp->s_state = OP(RDMA_WRITE_FIRST);
+				len = pmtu;
+				break;
+			}
+			if (wqe->wr.opcode == IB_WR_RDMA_WRITE)
+				qp->s_state = OP(RDMA_WRITE_ONLY);
+			else {
+				qp->s_state =
+					OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE);
+				/* Immediate data comes after the RETH */
+				ohdr->u.rc.imm_data = wqe->wr.ex.imm_data;
+				hwords += 1;
+				if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+					bth0 |= IB_BTH_SOLICITED;
+			}
+			qp->s_wqe = wqe;
+			if (++qp->s_cur >= qp->s_size)
+				qp->s_cur = 0;
+			break;
+
+		default:
+			goto bail;
+		}
+		break;
+
+	case OP(SEND_FIRST):
+		qp->s_state = OP(SEND_MIDDLE);
+		/* FALLTHROUGH */
+	case OP(SEND_MIDDLE):
+		len = qp->s_len;
+		if (len > pmtu) {
+			len = pmtu;
+			break;
+		}
+		if (wqe->wr.opcode == IB_WR_SEND)
+			qp->s_state = OP(SEND_LAST);
+		else {
+			qp->s_state = OP(SEND_LAST_WITH_IMMEDIATE);
+			/* Immediate data comes after the BTH */
+			ohdr->u.imm_data = wqe->wr.ex.imm_data;
+			hwords += 1;
+		}
+		if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+			bth0 |= IB_BTH_SOLICITED;
+		qp->s_wqe = wqe;
+		if (++qp->s_cur >= qp->s_size)
+			qp->s_cur = 0;
+		break;
+
+	case OP(RDMA_WRITE_FIRST):
+		qp->s_state = OP(RDMA_WRITE_MIDDLE);
+		/* FALLTHROUGH */
+	case OP(RDMA_WRITE_MIDDLE):
+		len = qp->s_len;
+		if (len > pmtu) {
+			len = pmtu;
+			break;
+		}
+		if (wqe->wr.opcode == IB_WR_RDMA_WRITE)
+			qp->s_state = OP(RDMA_WRITE_LAST);
+		else {
+			qp->s_state =
+				OP(RDMA_WRITE_LAST_WITH_IMMEDIATE);
+			/* Immediate data comes after the BTH */
+			ohdr->u.imm_data = wqe->wr.ex.imm_data;
+			hwords += 1;
+			if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+				bth0 |= IB_BTH_SOLICITED;
+		}
+		qp->s_wqe = wqe;
+		if (++qp->s_cur >= qp->s_size)
+			qp->s_cur = 0;
+		break;
+	}
+	qp->s_len -= len;
+	qp->s_hdrwords = hwords;
+	qp->s_cur_sge = &qp->s_sge;
+	qp->s_cur_size = len;
+	qib_make_ruc_header(qp, ohdr, bth0 | (qp->s_state << 24),
+			    qp->s_next_psn++ & QIB_PSN_MASK);
+done:
+	ret = 1;
+	goto unlock;
+
+bail:
+	qp->s_flags &= ~QIB_S_BUSY;
+unlock:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+	return ret;
+}
+
+/**
+ * qib_uc_rcv - handle an incoming UC packet
+ * @ibp: the port the packet came in on
+ * @hdr: the header of the packet
+ * @has_grh: true if the packet has a GRH
+ * @data: the packet data
+ * @tlen: the length of the packet
+ * @qp: the QP for this packet.
+ *
+ * This is called from qib_qp_rcv() to process an incoming UC packet
+ * for the given QP.
+ * Called at interrupt level.
+ */
+void qib_uc_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
+		int has_grh, void *data, u32 tlen, struct qib_qp *qp)
+{
+	struct qib_other_headers *ohdr;
+	unsigned long flags;
+	u32 opcode;
+	u32 hdrsize;
+	u32 psn;
+	u32 pad;
+	struct ib_wc wc;
+	u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
+	struct ib_reth *reth;
+	int ret;
+
+	/* Check for GRH */
+	if (!has_grh) {
+		ohdr = &hdr->u.oth;
+		hdrsize = 8 + 12;       /* LRH + BTH */
+	} else {
+		ohdr = &hdr->u.l.oth;
+		hdrsize = 8 + 40 + 12;  /* LRH + GRH + BTH */
+	}
+
+	opcode = be32_to_cpu(ohdr->bth[0]);
+	spin_lock_irqsave(&qp->s_lock, flags);
+	if (qib_ruc_check_hdr(ibp, hdr, has_grh, qp, opcode))
+		goto sunlock;
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+
+	psn = be32_to_cpu(ohdr->bth[2]);
+	opcode >>= 24;
+	memset(&wc, 0, sizeof wc);
+
+	/* Prevent simultaneous processing after APM on different CPUs */
+	spin_lock(&qp->r_lock);
+
+	/* Compare the PSN verses the expected PSN. */
+	if (unlikely(qib_cmp24(psn, qp->r_psn) != 0)) {
+		/*
+		 * Handle a sequence error.
+		 * Silently drop any current message.
+		 */
+		qp->r_psn = psn;
+inv:
+		if (qp->r_state == OP(SEND_FIRST) ||
+		    qp->r_state == OP(SEND_MIDDLE)) {
+			set_bit(QIB_R_REWIND_SGE, &qp->r_aflags);
+			qp->r_sge.num_sge = 0;
+		} else
+			while (qp->r_sge.num_sge) {
+				atomic_dec(&qp->r_sge.sge.mr->refcount);
+				if (--qp->r_sge.num_sge)
+					qp->r_sge.sge = *qp->r_sge.sg_list++;
+			}
+		qp->r_state = OP(SEND_LAST);
+		switch (opcode) {
+		case OP(SEND_FIRST):
+		case OP(SEND_ONLY):
+		case OP(SEND_ONLY_WITH_IMMEDIATE):
+			goto send_first;
+
+		case OP(RDMA_WRITE_FIRST):
+		case OP(RDMA_WRITE_ONLY):
+		case OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE):
+			goto rdma_first;
+
+		default:
+			goto drop;
+		}
+	}
+
+	/* Check for opcode sequence errors. */
+	switch (qp->r_state) {
+	case OP(SEND_FIRST):
+	case OP(SEND_MIDDLE):
+		if (opcode == OP(SEND_MIDDLE) ||
+		    opcode == OP(SEND_LAST) ||
+		    opcode == OP(SEND_LAST_WITH_IMMEDIATE))
+			break;
+		goto inv;
+
+	case OP(RDMA_WRITE_FIRST):
+	case OP(RDMA_WRITE_MIDDLE):
+		if (opcode == OP(RDMA_WRITE_MIDDLE) ||
+		    opcode == OP(RDMA_WRITE_LAST) ||
+		    opcode == OP(RDMA_WRITE_LAST_WITH_IMMEDIATE))
+			break;
+		goto inv;
+
+	default:
+		if (opcode == OP(SEND_FIRST) ||
+		    opcode == OP(SEND_ONLY) ||
+		    opcode == OP(SEND_ONLY_WITH_IMMEDIATE) ||
+		    opcode == OP(RDMA_WRITE_FIRST) ||
+		    opcode == OP(RDMA_WRITE_ONLY) ||
+		    opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE))
+			break;
+		goto inv;
+	}
+
+	if (qp->state == IB_QPS_RTR && !(qp->r_flags & QIB_R_COMM_EST)) {
+		qp->r_flags |= QIB_R_COMM_EST;
+		if (qp->ibqp.event_handler) {
+			struct ib_event ev;
+
+			ev.device = qp->ibqp.device;
+			ev.element.qp = &qp->ibqp;
+			ev.event = IB_EVENT_COMM_EST;
+			qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+		}
+	}
+
+	/* OK, process the packet. */
+	switch (opcode) {
+	case OP(SEND_FIRST):
+	case OP(SEND_ONLY):
+	case OP(SEND_ONLY_WITH_IMMEDIATE):
+send_first:
+		if (test_and_clear_bit(QIB_R_REWIND_SGE, &qp->r_aflags))
+			qp->r_sge = qp->s_rdma_read_sge;
+		else {
+			ret = qib_get_rwqe(qp, 0);
+			if (ret < 0)
+				goto op_err;
+			if (!ret)
+				goto drop;
+			/*
+			 * qp->s_rdma_read_sge will be the owner
+			 * of the mr references.
+			 */
+			qp->s_rdma_read_sge = qp->r_sge;
+		}
+		qp->r_rcv_len = 0;
+		if (opcode == OP(SEND_ONLY))
+			goto send_last;
+		else if (opcode == OP(SEND_ONLY_WITH_IMMEDIATE))
+			goto send_last_imm;
+		/* FALLTHROUGH */
+	case OP(SEND_MIDDLE):
+		/* Check for invalid length PMTU or posted rwqe len. */
+		if (unlikely(tlen != (hdrsize + pmtu + 4)))
+			goto rewind;
+		qp->r_rcv_len += pmtu;
+		if (unlikely(qp->r_rcv_len > qp->r_len))
+			goto rewind;
+		qib_copy_sge(&qp->r_sge, data, pmtu, 0);
+		break;
+
+	case OP(SEND_LAST_WITH_IMMEDIATE):
+send_last_imm:
+		wc.ex.imm_data = ohdr->u.imm_data;
+		hdrsize += 4;
+		wc.wc_flags = IB_WC_WITH_IMM;
+		/* FALLTHROUGH */
+	case OP(SEND_LAST):
+send_last:
+		/* Get the number of bytes the message was padded by. */
+		pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
+		/* Check for invalid length. */
+		/* XXX LAST len should be >= 1 */
+		if (unlikely(tlen < (hdrsize + pad + 4)))
+			goto rewind;
+		/* Don't count the CRC. */
+		tlen -= (hdrsize + pad + 4);
+		wc.byte_len = tlen + qp->r_rcv_len;
+		if (unlikely(wc.byte_len > qp->r_len))
+			goto rewind;
+		wc.opcode = IB_WC_RECV;
+last_imm:
+		qib_copy_sge(&qp->r_sge, data, tlen, 0);
+		while (qp->s_rdma_read_sge.num_sge) {
+			atomic_dec(&qp->s_rdma_read_sge.sge.mr->refcount);
+			if (--qp->s_rdma_read_sge.num_sge)
+				qp->s_rdma_read_sge.sge =
+					*qp->s_rdma_read_sge.sg_list++;
+		}
+		wc.wr_id = qp->r_wr_id;
+		wc.status = IB_WC_SUCCESS;
+		wc.qp = &qp->ibqp;
+		wc.src_qp = qp->remote_qpn;
+		wc.slid = qp->remote_ah_attr.dlid;
+		wc.sl = qp->remote_ah_attr.sl;
+		/* Signal completion event if the solicited bit is set. */
+		qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
+			     (ohdr->bth[0] &
+				cpu_to_be32(IB_BTH_SOLICITED)) != 0);
+		break;
+
+	case OP(RDMA_WRITE_FIRST):
+	case OP(RDMA_WRITE_ONLY):
+	case OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE): /* consume RWQE */
+rdma_first:
+		if (unlikely(!(qp->qp_access_flags &
+			       IB_ACCESS_REMOTE_WRITE))) {
+			goto drop;
+		}
+		reth = &ohdr->u.rc.reth;
+		hdrsize += sizeof(*reth);
+		qp->r_len = be32_to_cpu(reth->length);
+		qp->r_rcv_len = 0;
+		qp->r_sge.sg_list = NULL;
+		if (qp->r_len != 0) {
+			u32 rkey = be32_to_cpu(reth->rkey);
+			u64 vaddr = be64_to_cpu(reth->vaddr);
+			int ok;
+
+			/* Check rkey */
+			ok = qib_rkey_ok(qp, &qp->r_sge.sge, qp->r_len,
+					 vaddr, rkey, IB_ACCESS_REMOTE_WRITE);
+			if (unlikely(!ok))
+				goto drop;
+			qp->r_sge.num_sge = 1;
+		} else {
+			qp->r_sge.num_sge = 0;
+			qp->r_sge.sge.mr = NULL;
+			qp->r_sge.sge.vaddr = NULL;
+			qp->r_sge.sge.length = 0;
+			qp->r_sge.sge.sge_length = 0;
+		}
+		if (opcode == OP(RDMA_WRITE_ONLY))
+			goto rdma_last;
+		else if (opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE))
+			goto rdma_last_imm;
+		/* FALLTHROUGH */
+	case OP(RDMA_WRITE_MIDDLE):
+		/* Check for invalid length PMTU or posted rwqe len. */
+		if (unlikely(tlen != (hdrsize + pmtu + 4)))
+			goto drop;
+		qp->r_rcv_len += pmtu;
+		if (unlikely(qp->r_rcv_len > qp->r_len))
+			goto drop;
+		qib_copy_sge(&qp->r_sge, data, pmtu, 1);
+		break;
+
+	case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE):
+rdma_last_imm:
+		wc.ex.imm_data = ohdr->u.imm_data;
+		hdrsize += 4;
+		wc.wc_flags = IB_WC_WITH_IMM;
+
+		/* Get the number of bytes the message was padded by. */
+		pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
+		/* Check for invalid length. */
+		/* XXX LAST len should be >= 1 */
+		if (unlikely(tlen < (hdrsize + pad + 4)))
+			goto drop;
+		/* Don't count the CRC. */
+		tlen -= (hdrsize + pad + 4);
+		if (unlikely(tlen + qp->r_rcv_len != qp->r_len))
+			goto drop;
+		if (test_and_clear_bit(QIB_R_REWIND_SGE, &qp->r_aflags))
+			while (qp->s_rdma_read_sge.num_sge) {
+				atomic_dec(&qp->s_rdma_read_sge.sge.mr->
+					   refcount);
+				if (--qp->s_rdma_read_sge.num_sge)
+					qp->s_rdma_read_sge.sge =
+						*qp->s_rdma_read_sge.sg_list++;
+			}
+		else {
+			ret = qib_get_rwqe(qp, 1);
+			if (ret < 0)
+				goto op_err;
+			if (!ret)
+				goto drop;
+		}
+		wc.byte_len = qp->r_len;
+		wc.opcode = IB_WC_RECV_RDMA_WITH_IMM;
+		goto last_imm;
+
+	case OP(RDMA_WRITE_LAST):
+rdma_last:
+		/* Get the number of bytes the message was padded by. */
+		pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
+		/* Check for invalid length. */
+		/* XXX LAST len should be >= 1 */
+		if (unlikely(tlen < (hdrsize + pad + 4)))
+			goto drop;
+		/* Don't count the CRC. */
+		tlen -= (hdrsize + pad + 4);
+		if (unlikely(tlen + qp->r_rcv_len != qp->r_len))
+			goto drop;
+		qib_copy_sge(&qp->r_sge, data, tlen, 1);
+		while (qp->r_sge.num_sge) {
+			atomic_dec(&qp->r_sge.sge.mr->refcount);
+			if (--qp->r_sge.num_sge)
+				qp->r_sge.sge = *qp->r_sge.sg_list++;
+		}
+		break;
+
+	default:
+		/* Drop packet for unknown opcodes. */
+		goto drop;
+	}
+	qp->r_psn++;
+	qp->r_state = opcode;
+	spin_unlock(&qp->r_lock);
+	return;
+
+rewind:
+	set_bit(QIB_R_REWIND_SGE, &qp->r_aflags);
+	qp->r_sge.num_sge = 0;
+drop:
+	ibp->n_pkt_drops++;
+	spin_unlock(&qp->r_lock);
+	return;
+
+op_err:
+	qib_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
+	spin_unlock(&qp->r_lock);
+	return;
+
+sunlock:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+}
diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c
new file mode 100644
index 00000000000..c838cda7334
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_ud.c
@@ -0,0 +1,607 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <rdma/ib_smi.h>
+
+#include "qib.h"
+#include "qib_mad.h"
+
+/**
+ * qib_ud_loopback - handle send on loopback QPs
+ * @sqp: the sending QP
+ * @swqe: the send work request
+ *
+ * This is called from qib_make_ud_req() to forward a WQE addressed
+ * to the same HCA.
+ * Note that the receive interrupt handler may be calling qib_ud_rcv()
+ * while this is being called.
+ */
+static void qib_ud_loopback(struct qib_qp *sqp, struct qib_swqe *swqe)
+{
+	struct qib_ibport *ibp = to_iport(sqp->ibqp.device, sqp->port_num);
+	struct qib_pportdata *ppd;
+	struct qib_qp *qp;
+	struct ib_ah_attr *ah_attr;
+	unsigned long flags;
+	struct qib_sge_state ssge;
+	struct qib_sge *sge;
+	struct ib_wc wc;
+	u32 length;
+
+	qp = qib_lookup_qpn(ibp, swqe->wr.wr.ud.remote_qpn);
+	if (!qp) {
+		ibp->n_pkt_drops++;
+		return;
+	}
+	if (qp->ibqp.qp_type != sqp->ibqp.qp_type ||
+	    !(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK)) {
+		ibp->n_pkt_drops++;
+		goto drop;
+	}
+
+	ah_attr = &to_iah(swqe->wr.wr.ud.ah)->attr;
+	ppd = ppd_from_ibp(ibp);
+
+	if (qp->ibqp.qp_num > 1) {
+		u16 pkey1;
+		u16 pkey2;
+		u16 lid;
+
+		pkey1 = qib_get_pkey(ibp, sqp->s_pkey_index);
+		pkey2 = qib_get_pkey(ibp, qp->s_pkey_index);
+		if (unlikely(!qib_pkey_ok(pkey1, pkey2))) {
+			lid = ppd->lid | (ah_attr->src_path_bits &
+					  ((1 << ppd->lmc) - 1));
+			qib_bad_pqkey(ibp, IB_NOTICE_TRAP_BAD_PKEY, pkey1,
+				      ah_attr->sl,
+				      sqp->ibqp.qp_num, qp->ibqp.qp_num,
+				      cpu_to_be16(lid),
+				      cpu_to_be16(ah_attr->dlid));
+			goto drop;
+		}
+	}
+
+	/*
+	 * Check that the qkey matches (except for QP0, see 9.6.1.4.1).
+	 * Qkeys with the high order bit set mean use the
+	 * qkey from the QP context instead of the WR (see 10.2.5).
+	 */
+	if (qp->ibqp.qp_num) {
+		u32 qkey;
+
+		qkey = (int)swqe->wr.wr.ud.remote_qkey < 0 ?
+			sqp->qkey : swqe->wr.wr.ud.remote_qkey;
+		if (unlikely(qkey != qp->qkey)) {
+			u16 lid;
+
+			lid = ppd->lid | (ah_attr->src_path_bits &
+					  ((1 << ppd->lmc) - 1));
+			qib_bad_pqkey(ibp, IB_NOTICE_TRAP_BAD_QKEY, qkey,
+				      ah_attr->sl,
+				      sqp->ibqp.qp_num, qp->ibqp.qp_num,
+				      cpu_to_be16(lid),
+				      cpu_to_be16(ah_attr->dlid));
+			goto drop;
+		}
+	}
+
+	/*
+	 * A GRH is expected to preceed the data even if not
+	 * present on the wire.
+	 */
+	length = swqe->length;
+	memset(&wc, 0, sizeof wc);
+	wc.byte_len = length + sizeof(struct ib_grh);
+
+	if (swqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
+		wc.wc_flags = IB_WC_WITH_IMM;
+		wc.ex.imm_data = swqe->wr.ex.imm_data;
+	}
+
+	spin_lock_irqsave(&qp->r_lock, flags);
+
+	/*
+	 * Get the next work request entry to find where to put the data.
+	 */
+	if (qp->r_flags & QIB_R_REUSE_SGE)
+		qp->r_flags &= ~QIB_R_REUSE_SGE;
+	else {
+		int ret;
+
+		ret = qib_get_rwqe(qp, 0);
+		if (ret < 0) {
+			qib_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
+			goto bail_unlock;
+		}
+		if (!ret) {
+			if (qp->ibqp.qp_num == 0)
+				ibp->n_vl15_dropped++;
+			goto bail_unlock;
+		}
+	}
+	/* Silently drop packets which are too big. */
+	if (unlikely(wc.byte_len > qp->r_len)) {
+		qp->r_flags |= QIB_R_REUSE_SGE;
+		ibp->n_pkt_drops++;
+		goto bail_unlock;
+	}
+
+	if (ah_attr->ah_flags & IB_AH_GRH) {
+		qib_copy_sge(&qp->r_sge, &ah_attr->grh,
+			     sizeof(struct ib_grh), 1);
+		wc.wc_flags |= IB_WC_GRH;
+	} else
+		qib_skip_sge(&qp->r_sge, sizeof(struct ib_grh), 1);
+	ssge.sg_list = swqe->sg_list + 1;
+	ssge.sge = *swqe->sg_list;
+	ssge.num_sge = swqe->wr.num_sge;
+	sge = &ssge.sge;
+	while (length) {
+		u32 len = sge->length;
+
+		if (len > length)
+			len = length;
+		if (len > sge->sge_length)
+			len = sge->sge_length;
+		BUG_ON(len == 0);
+		qib_copy_sge(&qp->r_sge, sge->vaddr, len, 1);
+		sge->vaddr += len;
+		sge->length -= len;
+		sge->sge_length -= len;
+		if (sge->sge_length == 0) {
+			if (--ssge.num_sge)
+				*sge = *ssge.sg_list++;
+		} else if (sge->length == 0 && sge->mr->lkey) {
+			if (++sge->n >= QIB_SEGSZ) {
+				if (++sge->m >= sge->mr->mapsz)
+					break;
+				sge->n = 0;
+			}
+			sge->vaddr =
+				sge->mr->map[sge->m]->segs[sge->n].vaddr;
+			sge->length =
+				sge->mr->map[sge->m]->segs[sge->n].length;
+		}
+		length -= len;
+	}
+	while (qp->r_sge.num_sge) {
+		atomic_dec(&qp->r_sge.sge.mr->refcount);
+		if (--qp->r_sge.num_sge)
+			qp->r_sge.sge = *qp->r_sge.sg_list++;
+	}
+	if (!test_and_clear_bit(QIB_R_WRID_VALID, &qp->r_aflags))
+		goto bail_unlock;
+	wc.wr_id = qp->r_wr_id;
+	wc.status = IB_WC_SUCCESS;
+	wc.opcode = IB_WC_RECV;
+	wc.qp = &qp->ibqp;
+	wc.src_qp = sqp->ibqp.qp_num;
+	wc.pkey_index = qp->ibqp.qp_type == IB_QPT_GSI ?
+		swqe->wr.wr.ud.pkey_index : 0;
+	wc.slid = ppd->lid | (ah_attr->src_path_bits & ((1 << ppd->lmc) - 1));
+	wc.sl = ah_attr->sl;
+	wc.dlid_path_bits = ah_attr->dlid & ((1 << ppd->lmc) - 1);
+	wc.port_num = qp->port_num;
+	/* Signal completion event if the solicited bit is set. */
+	qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
+		     swqe->wr.send_flags & IB_SEND_SOLICITED);
+	ibp->n_loop_pkts++;
+bail_unlock:
+	spin_unlock_irqrestore(&qp->r_lock, flags);
+drop:
+	if (atomic_dec_and_test(&qp->refcount))
+		wake_up(&qp->wait);
+}
+
+/**
+ * qib_make_ud_req - construct a UD request packet
+ * @qp: the QP
+ *
+ * Return 1 if constructed; otherwise, return 0.
+ */
+int qib_make_ud_req(struct qib_qp *qp)
+{
+	struct qib_other_headers *ohdr;
+	struct ib_ah_attr *ah_attr;
+	struct qib_pportdata *ppd;
+	struct qib_ibport *ibp;
+	struct qib_swqe *wqe;
+	unsigned long flags;
+	u32 nwords;
+	u32 extra_bytes;
+	u32 bth0;
+	u16 lrh0;
+	u16 lid;
+	int ret = 0;
+	int next_cur;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_NEXT_SEND_OK)) {
+		if (!(ib_qib_state_ops[qp->state] & QIB_FLUSH_SEND))
+			goto bail;
+		/* We are in the error state, flush the work request. */
+		if (qp->s_last == qp->s_head)
+			goto bail;
+		/* If DMAs are in progress, we can't flush immediately. */
+		if (atomic_read(&qp->s_dma_busy)) {
+			qp->s_flags |= QIB_S_WAIT_DMA;
+			goto bail;
+		}
+		wqe = get_swqe_ptr(qp, qp->s_last);
+		qib_send_complete(qp, wqe, IB_WC_WR_FLUSH_ERR);
+		goto done;
+	}
+
+	if (qp->s_cur == qp->s_head)
+		goto bail;
+
+	wqe = get_swqe_ptr(qp, qp->s_cur);
+	next_cur = qp->s_cur + 1;
+	if (next_cur >= qp->s_size)
+		next_cur = 0;
+
+	/* Construct the header. */
+	ibp = to_iport(qp->ibqp.device, qp->port_num);
+	ppd = ppd_from_ibp(ibp);
+	ah_attr = &to_iah(wqe->wr.wr.ud.ah)->attr;
+	if (ah_attr->dlid >= QIB_MULTICAST_LID_BASE) {
+		if (ah_attr->dlid != QIB_PERMISSIVE_LID)
+			ibp->n_multicast_xmit++;
+		else
+			ibp->n_unicast_xmit++;
+	} else {
+		ibp->n_unicast_xmit++;
+		lid = ah_attr->dlid & ~((1 << ppd->lmc) - 1);
+		if (unlikely(lid == ppd->lid)) {
+			/*
+			 * If DMAs are in progress, we can't generate
+			 * a completion for the loopback packet since
+			 * it would be out of order.
+			 * XXX Instead of waiting, we could queue a
+			 * zero length descriptor so we get a callback.
+			 */
+			if (atomic_read(&qp->s_dma_busy)) {
+				qp->s_flags |= QIB_S_WAIT_DMA;
+				goto bail;
+			}
+			qp->s_cur = next_cur;
+			spin_unlock_irqrestore(&qp->s_lock, flags);
+			qib_ud_loopback(qp, wqe);
+			spin_lock_irqsave(&qp->s_lock, flags);
+			qib_send_complete(qp, wqe, IB_WC_SUCCESS);
+			goto done;
+		}
+	}
+
+	qp->s_cur = next_cur;
+	extra_bytes = -wqe->length & 3;
+	nwords = (wqe->length + extra_bytes) >> 2;
+
+	/* header size in 32-bit words LRH+BTH+DETH = (8+12+8)/4. */
+	qp->s_hdrwords = 7;
+	qp->s_cur_size = wqe->length;
+	qp->s_cur_sge = &qp->s_sge;
+	qp->s_srate = ah_attr->static_rate;
+	qp->s_wqe = wqe;
+	qp->s_sge.sge = wqe->sg_list[0];
+	qp->s_sge.sg_list = wqe->sg_list + 1;
+	qp->s_sge.num_sge = wqe->wr.num_sge;
+	qp->s_sge.total_len = wqe->length;
+
+	if (ah_attr->ah_flags & IB_AH_GRH) {
+		/* Header size in 32-bit words. */
+		qp->s_hdrwords += qib_make_grh(ibp, &qp->s_hdr.u.l.grh,
+					       &ah_attr->grh,
+					       qp->s_hdrwords, nwords);
+		lrh0 = QIB_LRH_GRH;
+		ohdr = &qp->s_hdr.u.l.oth;
+		/*
+		 * Don't worry about sending to locally attached multicast
+		 * QPs.  It is unspecified by the spec. what happens.
+		 */
+	} else {
+		/* Header size in 32-bit words. */
+		lrh0 = QIB_LRH_BTH;
+		ohdr = &qp->s_hdr.u.oth;
+	}
+	if (wqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
+		qp->s_hdrwords++;
+		ohdr->u.ud.imm_data = wqe->wr.ex.imm_data;
+		bth0 = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE << 24;
+	} else
+		bth0 = IB_OPCODE_UD_SEND_ONLY << 24;
+	lrh0 |= ah_attr->sl << 4;
+	if (qp->ibqp.qp_type == IB_QPT_SMI)
+		lrh0 |= 0xF000; /* Set VL (see ch. 13.5.3.1) */
+	else
+		lrh0 |= ibp->sl_to_vl[ah_attr->sl] << 12;
+	qp->s_hdr.lrh[0] = cpu_to_be16(lrh0);
+	qp->s_hdr.lrh[1] = cpu_to_be16(ah_attr->dlid);  /* DEST LID */
+	qp->s_hdr.lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords + SIZE_OF_CRC);
+	lid = ppd->lid;
+	if (lid) {
+		lid |= ah_attr->src_path_bits & ((1 << ppd->lmc) - 1);
+		qp->s_hdr.lrh[3] = cpu_to_be16(lid);
+	} else
+		qp->s_hdr.lrh[3] = IB_LID_PERMISSIVE;
+	if (wqe->wr.send_flags & IB_SEND_SOLICITED)
+		bth0 |= IB_BTH_SOLICITED;
+	bth0 |= extra_bytes << 20;
+	bth0 |= qp->ibqp.qp_type == IB_QPT_SMI ? QIB_DEFAULT_P_KEY :
+		qib_get_pkey(ibp, qp->ibqp.qp_type == IB_QPT_GSI ?
+			     wqe->wr.wr.ud.pkey_index : qp->s_pkey_index);
+	ohdr->bth[0] = cpu_to_be32(bth0);
+	/*
+	 * Use the multicast QP if the destination LID is a multicast LID.
+	 */
+	ohdr->bth[1] = ah_attr->dlid >= QIB_MULTICAST_LID_BASE &&
+		ah_attr->dlid != QIB_PERMISSIVE_LID ?
+		cpu_to_be32(QIB_MULTICAST_QPN) :
+		cpu_to_be32(wqe->wr.wr.ud.remote_qpn);
+	ohdr->bth[2] = cpu_to_be32(qp->s_next_psn++ & QIB_PSN_MASK);
+	/*
+	 * Qkeys with the high order bit set mean use the
+	 * qkey from the QP context instead of the WR (see 10.2.5).
+	 */
+	ohdr->u.ud.deth[0] = cpu_to_be32((int)wqe->wr.wr.ud.remote_qkey < 0 ?
+					 qp->qkey : wqe->wr.wr.ud.remote_qkey);
+	ohdr->u.ud.deth[1] = cpu_to_be32(qp->ibqp.qp_num);
+
+done:
+	ret = 1;
+	goto unlock;
+
+bail:
+	qp->s_flags &= ~QIB_S_BUSY;
+unlock:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+	return ret;
+}
+
+static unsigned qib_lookup_pkey(struct qib_ibport *ibp, u16 pkey)
+{
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	struct qib_devdata *dd = ppd->dd;
+	unsigned ctxt = ppd->hw_pidx;
+	unsigned i;
+
+	pkey &= 0x7fff;	/* remove limited/full membership bit */
+
+	for (i = 0; i < ARRAY_SIZE(dd->rcd[ctxt]->pkeys); ++i)
+		if ((dd->rcd[ctxt]->pkeys[i] & 0x7fff) == pkey)
+			return i;
+
+	/*
+	 * Should not get here, this means hardware failed to validate pkeys.
+	 * Punt and return index 0.
+	 */
+	return 0;
+}
+
+/**
+ * qib_ud_rcv - receive an incoming UD packet
+ * @ibp: the port the packet came in on
+ * @hdr: the packet header
+ * @has_grh: true if the packet has a GRH
+ * @data: the packet data
+ * @tlen: the packet length
+ * @qp: the QP the packet came on
+ *
+ * This is called from qib_qp_rcv() to process an incoming UD packet
+ * for the given QP.
+ * Called at interrupt level.
+ */
+void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
+		int has_grh, void *data, u32 tlen, struct qib_qp *qp)
+{
+	struct qib_other_headers *ohdr;
+	int opcode;
+	u32 hdrsize;
+	u32 pad;
+	struct ib_wc wc;
+	u32 qkey;
+	u32 src_qp;
+	u16 dlid;
+
+	/* Check for GRH */
+	if (!has_grh) {
+		ohdr = &hdr->u.oth;
+		hdrsize = 8 + 12 + 8;   /* LRH + BTH + DETH */
+	} else {
+		ohdr = &hdr->u.l.oth;
+		hdrsize = 8 + 40 + 12 + 8; /* LRH + GRH + BTH + DETH */
+	}
+	qkey = be32_to_cpu(ohdr->u.ud.deth[0]);
+	src_qp = be32_to_cpu(ohdr->u.ud.deth[1]) & QIB_QPN_MASK;
+
+	/* Get the number of bytes the message was padded by. */
+	pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
+	if (unlikely(tlen < (hdrsize + pad + 4))) {
+		/* Drop incomplete packets. */
+		ibp->n_pkt_drops++;
+		goto bail;
+	}
+	tlen -= hdrsize + pad + 4;
+
+	/*
+	 * Check that the permissive LID is only used on QP0
+	 * and the QKEY matches (see 9.6.1.4.1 and 9.6.1.5.1).
+	 */
+	if (qp->ibqp.qp_num) {
+		if (unlikely(hdr->lrh[1] == IB_LID_PERMISSIVE ||
+			     hdr->lrh[3] == IB_LID_PERMISSIVE)) {
+			ibp->n_pkt_drops++;
+			goto bail;
+		}
+		if (qp->ibqp.qp_num > 1) {
+			u16 pkey1, pkey2;
+
+			pkey1 = be32_to_cpu(ohdr->bth[0]);
+			pkey2 = qib_get_pkey(ibp, qp->s_pkey_index);
+			if (unlikely(!qib_pkey_ok(pkey1, pkey2))) {
+				qib_bad_pqkey(ibp, IB_NOTICE_TRAP_BAD_PKEY,
+					      pkey1,
+					      (be16_to_cpu(hdr->lrh[0]) >> 4) &
+						0xF,
+					      src_qp, qp->ibqp.qp_num,
+					      hdr->lrh[3], hdr->lrh[1]);
+				goto bail;
+			}
+		}
+		if (unlikely(qkey != qp->qkey)) {
+			qib_bad_pqkey(ibp, IB_NOTICE_TRAP_BAD_QKEY, qkey,
+				      (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF,
+				      src_qp, qp->ibqp.qp_num,
+				      hdr->lrh[3], hdr->lrh[1]);
+			goto bail;
+		}
+		/* Drop invalid MAD packets (see 13.5.3.1). */
+		if (unlikely(qp->ibqp.qp_num == 1 &&
+			     (tlen != 256 ||
+			      (be16_to_cpu(hdr->lrh[0]) >> 12) == 15))) {
+			ibp->n_pkt_drops++;
+			goto bail;
+		}
+	} else {
+		struct ib_smp *smp;
+
+		/* Drop invalid MAD packets (see 13.5.3.1). */
+		if (tlen != 256 || (be16_to_cpu(hdr->lrh[0]) >> 12) != 15) {
+			ibp->n_pkt_drops++;
+			goto bail;
+		}
+		smp = (struct ib_smp *) data;
+		if ((hdr->lrh[1] == IB_LID_PERMISSIVE ||
+		     hdr->lrh[3] == IB_LID_PERMISSIVE) &&
+		    smp->mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) {
+			ibp->n_pkt_drops++;
+			goto bail;
+		}
+	}
+
+	/*
+	 * The opcode is in the low byte when its in network order
+	 * (top byte when in host order).
+	 */
+	opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
+	if (qp->ibqp.qp_num > 1 &&
+	    opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) {
+		wc.ex.imm_data = ohdr->u.ud.imm_data;
+		wc.wc_flags = IB_WC_WITH_IMM;
+		hdrsize += sizeof(u32);
+	} else if (opcode == IB_OPCODE_UD_SEND_ONLY) {
+		wc.ex.imm_data = 0;
+		wc.wc_flags = 0;
+	} else {
+		ibp->n_pkt_drops++;
+		goto bail;
+	}
+
+	/*
+	 * A GRH is expected to preceed the data even if not
+	 * present on the wire.
+	 */
+	wc.byte_len = tlen + sizeof(struct ib_grh);
+
+	/*
+	 * We need to serialize getting a receive work queue entry and
+	 * generating a completion for it against QPs sending to this QP
+	 * locally.
+	 */
+	spin_lock(&qp->r_lock);
+
+	/*
+	 * Get the next work request entry to find where to put the data.
+	 */
+	if (qp->r_flags & QIB_R_REUSE_SGE)
+		qp->r_flags &= ~QIB_R_REUSE_SGE;
+	else {
+		int ret;
+
+		ret = qib_get_rwqe(qp, 0);
+		if (ret < 0) {
+			qib_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
+			goto bail_unlock;
+		}
+		if (!ret) {
+			if (qp->ibqp.qp_num == 0)
+				ibp->n_vl15_dropped++;
+			goto bail_unlock;
+		}
+	}
+	/* Silently drop packets which are too big. */
+	if (unlikely(wc.byte_len > qp->r_len)) {
+		qp->r_flags |= QIB_R_REUSE_SGE;
+		ibp->n_pkt_drops++;
+		goto bail_unlock;
+	}
+	if (has_grh) {
+		qib_copy_sge(&qp->r_sge, &hdr->u.l.grh,
+			     sizeof(struct ib_grh), 1);
+		wc.wc_flags |= IB_WC_GRH;
+	} else
+		qib_skip_sge(&qp->r_sge, sizeof(struct ib_grh), 1);
+	qib_copy_sge(&qp->r_sge, data, wc.byte_len - sizeof(struct ib_grh), 1);
+	while (qp->r_sge.num_sge) {
+		atomic_dec(&qp->r_sge.sge.mr->refcount);
+		if (--qp->r_sge.num_sge)
+			qp->r_sge.sge = *qp->r_sge.sg_list++;
+	}
+	if (!test_and_clear_bit(QIB_R_WRID_VALID, &qp->r_aflags))
+		goto bail_unlock;
+	wc.wr_id = qp->r_wr_id;
+	wc.status = IB_WC_SUCCESS;
+	wc.opcode = IB_WC_RECV;
+	wc.vendor_err = 0;
+	wc.qp = &qp->ibqp;
+	wc.src_qp = src_qp;
+	wc.pkey_index = qp->ibqp.qp_type == IB_QPT_GSI ?
+		qib_lookup_pkey(ibp, be32_to_cpu(ohdr->bth[0])) : 0;
+	wc.slid = be16_to_cpu(hdr->lrh[3]);
+	wc.sl = (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF;
+	dlid = be16_to_cpu(hdr->lrh[1]);
+	/*
+	 * Save the LMC lower bits if the destination LID is a unicast LID.
+	 */
+	wc.dlid_path_bits = dlid >= QIB_MULTICAST_LID_BASE ? 0 :
+		dlid & ((1 << ppd_from_ibp(ibp)->lmc) - 1);
+	wc.port_num = qp->port_num;
+	/* Signal completion event if the solicited bit is set. */
+	qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
+		     (ohdr->bth[0] &
+			cpu_to_be32(IB_BTH_SOLICITED)) != 0);
+bail_unlock:
+	spin_unlock(&qp->r_lock);
+bail:;
+}
diff --git a/drivers/infiniband/hw/qib/qib_user_pages.c b/drivers/infiniband/hw/qib/qib_user_pages.c
new file mode 100644
index 00000000000..d7a26c1d4f3
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_user_pages.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/mm.h>
+#include <linux/device.h>
+
+#include "qib.h"
+
+static void __qib_release_user_pages(struct page **p, size_t num_pages,
+				     int dirty)
+{
+	size_t i;
+
+	for (i = 0; i < num_pages; i++) {
+		if (dirty)
+			set_page_dirty_lock(p[i]);
+		put_page(p[i]);
+	}
+}
+
+/*
+ * Call with current->mm->mmap_sem held.
+ */
+static int __get_user_pages(unsigned long start_page, size_t num_pages,
+			    struct page **p, struct vm_area_struct **vma)
+{
+	unsigned long lock_limit;
+	size_t got;
+	int ret;
+
+	lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
+
+	if (num_pages > lock_limit && !capable(CAP_IPC_LOCK)) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	for (got = 0; got < num_pages; got += ret) {
+		ret = get_user_pages(current, current->mm,
+				     start_page + got * PAGE_SIZE,
+				     num_pages - got, 1, 1,
+				     p + got, vma);
+		if (ret < 0)
+			goto bail_release;
+	}
+
+	current->mm->locked_vm += num_pages;
+
+	ret = 0;
+	goto bail;
+
+bail_release:
+	__qib_release_user_pages(p, got, 0);
+bail:
+	return ret;
+}
+
+/**
+ * qib_map_page - a safety wrapper around pci_map_page()
+ *
+ * A dma_addr of all 0's is interpreted by the chip as "disabled".
+ * Unfortunately, it can also be a valid dma_addr returned on some
+ * architectures.
+ *
+ * The powerpc iommu assigns dma_addrs in ascending order, so we don't
+ * have to bother with retries or mapping a dummy page to insure we
+ * don't just get the same mapping again.
+ *
+ * I'm sure we won't be so lucky with other iommu's, so FIXME.
+ */
+dma_addr_t qib_map_page(struct pci_dev *hwdev, struct page *page,
+			unsigned long offset, size_t size, int direction)
+{
+	dma_addr_t phys;
+
+	phys = pci_map_page(hwdev, page, offset, size, direction);
+
+	if (phys == 0) {
+		pci_unmap_page(hwdev, phys, size, direction);
+		phys = pci_map_page(hwdev, page, offset, size, direction);
+		/*
+		 * FIXME: If we get 0 again, we should keep this page,
+		 * map another, then free the 0 page.
+		 */
+	}
+
+	return phys;
+}
+
+/**
+ * qib_get_user_pages - lock user pages into memory
+ * @start_page: the start page
+ * @num_pages: the number of pages
+ * @p: the output page structures
+ *
+ * This function takes a given start page (page aligned user virtual
+ * address) and pins it and the following specified number of pages.  For
+ * now, num_pages is always 1, but that will probably change at some point
+ * (because caller is doing expected sends on a single virtually contiguous
+ * buffer, so we can do all pages at once).
+ */
+int qib_get_user_pages(unsigned long start_page, size_t num_pages,
+		       struct page **p)
+{
+	int ret;
+
+	down_write(&current->mm->mmap_sem);
+
+	ret = __get_user_pages(start_page, num_pages, p, NULL);
+
+	up_write(&current->mm->mmap_sem);
+
+	return ret;
+}
+
+void qib_release_user_pages(struct page **p, size_t num_pages)
+{
+	if (current->mm) /* during close after signal, mm can be NULL */
+		down_write(&current->mm->mmap_sem);
+
+	__qib_release_user_pages(p, num_pages, 1);
+
+	if (current->mm) {
+		current->mm->locked_vm -= num_pages;
+		up_write(&current->mm->mmap_sem);
+	}
+}
diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c
new file mode 100644
index 00000000000..4c19e06b5e8
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_user_sdma.c
@@ -0,0 +1,897 @@
+/*
+ * Copyright (c) 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/mm.h>
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/dmapool.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/highmem.h>
+#include <linux/io.h>
+#include <linux/uio.h>
+#include <linux/rbtree.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+
+#include "qib.h"
+#include "qib_user_sdma.h"
+
+/* minimum size of header */
+#define QIB_USER_SDMA_MIN_HEADER_LENGTH 64
+/* expected size of headers (for dma_pool) */
+#define QIB_USER_SDMA_EXP_HEADER_LENGTH 64
+/* attempt to drain the queue for 5secs */
+#define QIB_USER_SDMA_DRAIN_TIMEOUT 500
+
+struct qib_user_sdma_pkt {
+	u8 naddr;               /* dimension of addr (1..3) ... */
+	u32 counter;            /* sdma pkts queued counter for this entry */
+	u64 added;              /* global descq number of entries */
+
+	struct {
+		u32 offset;                     /* offset for kvaddr, addr */
+		u32 length;                     /* length in page */
+		u8  put_page;                   /* should we put_page? */
+		u8  dma_mapped;                 /* is page dma_mapped? */
+		struct page *page;              /* may be NULL (coherent mem) */
+		void *kvaddr;                   /* FIXME: only for pio hack */
+		dma_addr_t addr;
+	} addr[4];   /* max pages, any more and we coalesce */
+	struct list_head list;  /* list element */
+};
+
+struct qib_user_sdma_queue {
+	/*
+	 * pkts sent to dma engine are queued on this
+	 * list head.  the type of the elements of this
+	 * list are struct qib_user_sdma_pkt...
+	 */
+	struct list_head sent;
+
+	/* headers with expected length are allocated from here... */
+	char header_cache_name[64];
+	struct dma_pool *header_cache;
+
+	/* packets are allocated from the slab cache... */
+	char pkt_slab_name[64];
+	struct kmem_cache *pkt_slab;
+
+	/* as packets go on the queued queue, they are counted... */
+	u32 counter;
+	u32 sent_counter;
+
+	/* dma page table */
+	struct rb_root dma_pages_root;
+
+	/* protect everything above... */
+	struct mutex lock;
+};
+
+struct qib_user_sdma_queue *
+qib_user_sdma_queue_create(struct device *dev, int unit, int ctxt, int sctxt)
+{
+	struct qib_user_sdma_queue *pq =
+		kmalloc(sizeof(struct qib_user_sdma_queue), GFP_KERNEL);
+
+	if (!pq)
+		goto done;
+
+	pq->counter = 0;
+	pq->sent_counter = 0;
+	INIT_LIST_HEAD(&pq->sent);
+
+	mutex_init(&pq->lock);
+
+	snprintf(pq->pkt_slab_name, sizeof(pq->pkt_slab_name),
+		 "qib-user-sdma-pkts-%u-%02u.%02u", unit, ctxt, sctxt);
+	pq->pkt_slab = kmem_cache_create(pq->pkt_slab_name,
+					 sizeof(struct qib_user_sdma_pkt),
+					 0, 0, NULL);
+
+	if (!pq->pkt_slab)
+		goto err_kfree;
+
+	snprintf(pq->header_cache_name, sizeof(pq->header_cache_name),
+		 "qib-user-sdma-headers-%u-%02u.%02u", unit, ctxt, sctxt);
+	pq->header_cache = dma_pool_create(pq->header_cache_name,
+					   dev,
+					   QIB_USER_SDMA_EXP_HEADER_LENGTH,
+					   4, 0);
+	if (!pq->header_cache)
+		goto err_slab;
+
+	pq->dma_pages_root = RB_ROOT;
+
+	goto done;
+
+err_slab:
+	kmem_cache_destroy(pq->pkt_slab);
+err_kfree:
+	kfree(pq);
+	pq = NULL;
+
+done:
+	return pq;
+}
+
+static void qib_user_sdma_init_frag(struct qib_user_sdma_pkt *pkt,
+				    int i, size_t offset, size_t len,
+				    int put_page, int dma_mapped,
+				    struct page *page,
+				    void *kvaddr, dma_addr_t dma_addr)
+{
+	pkt->addr[i].offset = offset;
+	pkt->addr[i].length = len;
+	pkt->addr[i].put_page = put_page;
+	pkt->addr[i].dma_mapped = dma_mapped;
+	pkt->addr[i].page = page;
+	pkt->addr[i].kvaddr = kvaddr;
+	pkt->addr[i].addr = dma_addr;
+}
+
+static void qib_user_sdma_init_header(struct qib_user_sdma_pkt *pkt,
+				      u32 counter, size_t offset,
+				      size_t len, int dma_mapped,
+				      struct page *page,
+				      void *kvaddr, dma_addr_t dma_addr)
+{
+	pkt->naddr = 1;
+	pkt->counter = counter;
+	qib_user_sdma_init_frag(pkt, 0, offset, len, 0, dma_mapped, page,
+				kvaddr, dma_addr);
+}
+
+/* we've too many pages in the iovec, coalesce to a single page */
+static int qib_user_sdma_coalesce(const struct qib_devdata *dd,
+				  struct qib_user_sdma_pkt *pkt,
+				  const struct iovec *iov,
+				  unsigned long niov)
+{
+	int ret = 0;
+	struct page *page = alloc_page(GFP_KERNEL);
+	void *mpage_save;
+	char *mpage;
+	int i;
+	int len = 0;
+	dma_addr_t dma_addr;
+
+	if (!page) {
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	mpage = kmap(page);
+	mpage_save = mpage;
+	for (i = 0; i < niov; i++) {
+		int cfur;
+
+		cfur = copy_from_user(mpage,
+				      iov[i].iov_base, iov[i].iov_len);
+		if (cfur) {
+			ret = -EFAULT;
+			goto free_unmap;
+		}
+
+		mpage += iov[i].iov_len;
+		len += iov[i].iov_len;
+	}
+
+	dma_addr = dma_map_page(&dd->pcidev->dev, page, 0, len,
+				DMA_TO_DEVICE);
+	if (dma_mapping_error(&dd->pcidev->dev, dma_addr)) {
+		ret = -ENOMEM;
+		goto free_unmap;
+	}
+
+	qib_user_sdma_init_frag(pkt, 1, 0, len, 0, 1, page, mpage_save,
+				dma_addr);
+	pkt->naddr = 2;
+
+	goto done;
+
+free_unmap:
+	kunmap(page);
+	__free_page(page);
+done:
+	return ret;
+}
+
+/*
+ * How many pages in this iovec element?
+ */
+static int qib_user_sdma_num_pages(const struct iovec *iov)
+{
+	const unsigned long addr  = (unsigned long) iov->iov_base;
+	const unsigned long  len  = iov->iov_len;
+	const unsigned long spage = addr & PAGE_MASK;
+	const unsigned long epage = (addr + len - 1) & PAGE_MASK;
+
+	return 1 + ((epage - spage) >> PAGE_SHIFT);
+}
+
+/*
+ * Truncate length to page boundry.
+ */
+static int qib_user_sdma_page_length(unsigned long addr, unsigned long len)
+{
+	const unsigned long offset = addr & ~PAGE_MASK;
+
+	return ((offset + len) > PAGE_SIZE) ? (PAGE_SIZE - offset) : len;
+}
+
+static void qib_user_sdma_free_pkt_frag(struct device *dev,
+					struct qib_user_sdma_queue *pq,
+					struct qib_user_sdma_pkt *pkt,
+					int frag)
+{
+	const int i = frag;
+
+	if (pkt->addr[i].page) {
+		if (pkt->addr[i].dma_mapped)
+			dma_unmap_page(dev,
+				       pkt->addr[i].addr,
+				       pkt->addr[i].length,
+				       DMA_TO_DEVICE);
+
+		if (pkt->addr[i].kvaddr)
+			kunmap(pkt->addr[i].page);
+
+		if (pkt->addr[i].put_page)
+			put_page(pkt->addr[i].page);
+		else
+			__free_page(pkt->addr[i].page);
+	} else if (pkt->addr[i].kvaddr)
+		/* free coherent mem from cache... */
+		dma_pool_free(pq->header_cache,
+			      pkt->addr[i].kvaddr, pkt->addr[i].addr);
+}
+
+/* return number of pages pinned... */
+static int qib_user_sdma_pin_pages(const struct qib_devdata *dd,
+				   struct qib_user_sdma_pkt *pkt,
+				   unsigned long addr, int tlen, int npages)
+{
+	struct page *pages[2];
+	int j;
+	int ret;
+
+	ret = get_user_pages(current, current->mm, addr,
+			     npages, 0, 1, pages, NULL);
+
+	if (ret != npages) {
+		int i;
+
+		for (i = 0; i < ret; i++)
+			put_page(pages[i]);
+
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	for (j = 0; j < npages; j++) {
+		/* map the pages... */
+		const int flen = qib_user_sdma_page_length(addr, tlen);
+		dma_addr_t dma_addr =
+			dma_map_page(&dd->pcidev->dev,
+				     pages[j], 0, flen, DMA_TO_DEVICE);
+		unsigned long fofs = addr & ~PAGE_MASK;
+
+		if (dma_mapping_error(&dd->pcidev->dev, dma_addr)) {
+			ret = -ENOMEM;
+			goto done;
+		}
+
+		qib_user_sdma_init_frag(pkt, pkt->naddr, fofs, flen, 1, 1,
+					pages[j], kmap(pages[j]), dma_addr);
+
+		pkt->naddr++;
+		addr += flen;
+		tlen -= flen;
+	}
+
+done:
+	return ret;
+}
+
+static int qib_user_sdma_pin_pkt(const struct qib_devdata *dd,
+				 struct qib_user_sdma_queue *pq,
+				 struct qib_user_sdma_pkt *pkt,
+				 const struct iovec *iov,
+				 unsigned long niov)
+{
+	int ret = 0;
+	unsigned long idx;
+
+	for (idx = 0; idx < niov; idx++) {
+		const int npages = qib_user_sdma_num_pages(iov + idx);
+		const unsigned long addr = (unsigned long) iov[idx].iov_base;
+
+		ret = qib_user_sdma_pin_pages(dd, pkt, addr,
+					      iov[idx].iov_len, npages);
+		if (ret < 0)
+			goto free_pkt;
+	}
+
+	goto done;
+
+free_pkt:
+	for (idx = 0; idx < pkt->naddr; idx++)
+		qib_user_sdma_free_pkt_frag(&dd->pcidev->dev, pq, pkt, idx);
+
+done:
+	return ret;
+}
+
+static int qib_user_sdma_init_payload(const struct qib_devdata *dd,
+				      struct qib_user_sdma_queue *pq,
+				      struct qib_user_sdma_pkt *pkt,
+				      const struct iovec *iov,
+				      unsigned long niov, int npages)
+{
+	int ret = 0;
+
+	if (npages >= ARRAY_SIZE(pkt->addr))
+		ret = qib_user_sdma_coalesce(dd, pkt, iov, niov);
+	else
+		ret = qib_user_sdma_pin_pkt(dd, pq, pkt, iov, niov);
+
+	return ret;
+}
+
+/* free a packet list -- return counter value of last packet */
+static void qib_user_sdma_free_pkt_list(struct device *dev,
+					struct qib_user_sdma_queue *pq,
+					struct list_head *list)
+{
+	struct qib_user_sdma_pkt *pkt, *pkt_next;
+
+	list_for_each_entry_safe(pkt, pkt_next, list, list) {
+		int i;
+
+		for (i = 0; i < pkt->naddr; i++)
+			qib_user_sdma_free_pkt_frag(dev, pq, pkt, i);
+
+		kmem_cache_free(pq->pkt_slab, pkt);
+	}
+}
+
+/*
+ * copy headers, coalesce etc -- pq->lock must be held
+ *
+ * we queue all the packets to list, returning the
+ * number of bytes total.  list must be empty initially,
+ * as, if there is an error we clean it...
+ */
+static int qib_user_sdma_queue_pkts(const struct qib_devdata *dd,
+				    struct qib_user_sdma_queue *pq,
+				    struct list_head *list,
+				    const struct iovec *iov,
+				    unsigned long niov,
+				    int maxpkts)
+{
+	unsigned long idx = 0;
+	int ret = 0;
+	int npkts = 0;
+	struct page *page = NULL;
+	__le32 *pbc;
+	dma_addr_t dma_addr;
+	struct qib_user_sdma_pkt *pkt = NULL;
+	size_t len;
+	size_t nw;
+	u32 counter = pq->counter;
+	int dma_mapped = 0;
+
+	while (idx < niov && npkts < maxpkts) {
+		const unsigned long addr = (unsigned long) iov[idx].iov_base;
+		const unsigned long idx_save = idx;
+		unsigned pktnw;
+		unsigned pktnwc;
+		int nfrags = 0;
+		int npages = 0;
+		int cfur;
+
+		dma_mapped = 0;
+		len = iov[idx].iov_len;
+		nw = len >> 2;
+		page = NULL;
+
+		pkt = kmem_cache_alloc(pq->pkt_slab, GFP_KERNEL);
+		if (!pkt) {
+			ret = -ENOMEM;
+			goto free_list;
+		}
+
+		if (len < QIB_USER_SDMA_MIN_HEADER_LENGTH ||
+		    len > PAGE_SIZE || len & 3 || addr & 3) {
+			ret = -EINVAL;
+			goto free_pkt;
+		}
+
+		if (len == QIB_USER_SDMA_EXP_HEADER_LENGTH)
+			pbc = dma_pool_alloc(pq->header_cache, GFP_KERNEL,
+					     &dma_addr);
+		else
+			pbc = NULL;
+
+		if (!pbc) {
+			page = alloc_page(GFP_KERNEL);
+			if (!page) {
+				ret = -ENOMEM;
+				goto free_pkt;
+			}
+			pbc = kmap(page);
+		}
+
+		cfur = copy_from_user(pbc, iov[idx].iov_base, len);
+		if (cfur) {
+			ret = -EFAULT;
+			goto free_pbc;
+		}
+
+		/*
+		 * This assignment is a bit strange.  it's because the
+		 * the pbc counts the number of 32 bit words in the full
+		 * packet _except_ the first word of the pbc itself...
+		 */
+		pktnwc = nw - 1;
+
+		/*
+		 * pktnw computation yields the number of 32 bit words
+		 * that the caller has indicated in the PBC.  note that
+		 * this is one less than the total number of words that
+		 * goes to the send DMA engine as the first 32 bit word
+		 * of the PBC itself is not counted.  Armed with this count,
+		 * we can verify that the packet is consistent with the
+		 * iovec lengths.
+		 */
+		pktnw = le32_to_cpu(*pbc) & QIB_PBC_LENGTH_MASK;
+		if (pktnw < pktnwc || pktnw > pktnwc + (PAGE_SIZE >> 2)) {
+			ret = -EINVAL;
+			goto free_pbc;
+		}
+
+		idx++;
+		while (pktnwc < pktnw && idx < niov) {
+			const size_t slen = iov[idx].iov_len;
+			const unsigned long faddr =
+				(unsigned long) iov[idx].iov_base;
+
+			if (slen & 3 || faddr & 3 || !slen ||
+			    slen > PAGE_SIZE) {
+				ret = -EINVAL;
+				goto free_pbc;
+			}
+
+			npages++;
+			if ((faddr & PAGE_MASK) !=
+			    ((faddr + slen - 1) & PAGE_MASK))
+				npages++;
+
+			pktnwc += slen >> 2;
+			idx++;
+			nfrags++;
+		}
+
+		if (pktnwc != pktnw) {
+			ret = -EINVAL;
+			goto free_pbc;
+		}
+
+		if (page) {
+			dma_addr = dma_map_page(&dd->pcidev->dev,
+						page, 0, len, DMA_TO_DEVICE);
+			if (dma_mapping_error(&dd->pcidev->dev, dma_addr)) {
+				ret = -ENOMEM;
+				goto free_pbc;
+			}
+
+			dma_mapped = 1;
+		}
+
+		qib_user_sdma_init_header(pkt, counter, 0, len, dma_mapped,
+					  page, pbc, dma_addr);
+
+		if (nfrags) {
+			ret = qib_user_sdma_init_payload(dd, pq, pkt,
+							 iov + idx_save + 1,
+							 nfrags, npages);
+			if (ret < 0)
+				goto free_pbc_dma;
+		}
+
+		counter++;
+		npkts++;
+
+		list_add_tail(&pkt->list, list);
+	}
+
+	ret = idx;
+	goto done;
+
+free_pbc_dma:
+	if (dma_mapped)
+		dma_unmap_page(&dd->pcidev->dev, dma_addr, len, DMA_TO_DEVICE);
+free_pbc:
+	if (page) {
+		kunmap(page);
+		__free_page(page);
+	} else
+		dma_pool_free(pq->header_cache, pbc, dma_addr);
+free_pkt:
+	kmem_cache_free(pq->pkt_slab, pkt);
+free_list:
+	qib_user_sdma_free_pkt_list(&dd->pcidev->dev, pq, list);
+done:
+	return ret;
+}
+
+static void qib_user_sdma_set_complete_counter(struct qib_user_sdma_queue *pq,
+					       u32 c)
+{
+	pq->sent_counter = c;
+}
+
+/* try to clean out queue -- needs pq->lock */
+static int qib_user_sdma_queue_clean(struct qib_pportdata *ppd,
+				     struct qib_user_sdma_queue *pq)
+{
+	struct qib_devdata *dd = ppd->dd;
+	struct list_head free_list;
+	struct qib_user_sdma_pkt *pkt;
+	struct qib_user_sdma_pkt *pkt_prev;
+	int ret = 0;
+
+	INIT_LIST_HEAD(&free_list);
+
+	list_for_each_entry_safe(pkt, pkt_prev, &pq->sent, list) {
+		s64 descd = ppd->sdma_descq_removed - pkt->added;
+
+		if (descd < 0)
+			break;
+
+		list_move_tail(&pkt->list, &free_list);
+
+		/* one more packet cleaned */
+		ret++;
+	}
+
+	if (!list_empty(&free_list)) {
+		u32 counter;
+
+		pkt = list_entry(free_list.prev,
+				 struct qib_user_sdma_pkt, list);
+		counter = pkt->counter;
+
+		qib_user_sdma_free_pkt_list(&dd->pcidev->dev, pq, &free_list);
+		qib_user_sdma_set_complete_counter(pq, counter);
+	}
+
+	return ret;
+}
+
+void qib_user_sdma_queue_destroy(struct qib_user_sdma_queue *pq)
+{
+	if (!pq)
+		return;
+
+	kmem_cache_destroy(pq->pkt_slab);
+	dma_pool_destroy(pq->header_cache);
+	kfree(pq);
+}
+
+/* clean descriptor queue, returns > 0 if some elements cleaned */
+static int qib_user_sdma_hwqueue_clean(struct qib_pportdata *ppd)
+{
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+	ret = qib_sdma_make_progress(ppd);
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+
+	return ret;
+}
+
+/* we're in close, drain packets so that we can cleanup successfully... */
+void qib_user_sdma_queue_drain(struct qib_pportdata *ppd,
+			       struct qib_user_sdma_queue *pq)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int i;
+
+	if (!pq)
+		return;
+
+	for (i = 0; i < QIB_USER_SDMA_DRAIN_TIMEOUT; i++) {
+		mutex_lock(&pq->lock);
+		if (list_empty(&pq->sent)) {
+			mutex_unlock(&pq->lock);
+			break;
+		}
+		qib_user_sdma_hwqueue_clean(ppd);
+		qib_user_sdma_queue_clean(ppd, pq);
+		mutex_unlock(&pq->lock);
+		msleep(10);
+	}
+
+	if (!list_empty(&pq->sent)) {
+		struct list_head free_list;
+
+		qib_dev_err(dd, "user sdma lists not empty: forcing!\n");
+		INIT_LIST_HEAD(&free_list);
+		mutex_lock(&pq->lock);
+		list_splice_init(&pq->sent, &free_list);
+		qib_user_sdma_free_pkt_list(&dd->pcidev->dev, pq, &free_list);
+		mutex_unlock(&pq->lock);
+	}
+}
+
+static inline __le64 qib_sdma_make_desc0(struct qib_pportdata *ppd,
+					 u64 addr, u64 dwlen, u64 dwoffset)
+{
+	u8 tmpgen;
+
+	tmpgen = ppd->sdma_generation;
+
+	return cpu_to_le64(/* SDmaPhyAddr[31:0] */
+			   ((addr & 0xfffffffcULL) << 32) |
+			   /* SDmaGeneration[1:0] */
+			   ((tmpgen & 3ULL) << 30) |
+			   /* SDmaDwordCount[10:0] */
+			   ((dwlen & 0x7ffULL) << 16) |
+			   /* SDmaBufOffset[12:2] */
+			   (dwoffset & 0x7ffULL));
+}
+
+static inline __le64 qib_sdma_make_first_desc0(__le64 descq)
+{
+	return descq | cpu_to_le64(1ULL << 12);
+}
+
+static inline __le64 qib_sdma_make_last_desc0(__le64 descq)
+{
+					      /* last */  /* dma head */
+	return descq | cpu_to_le64(1ULL << 11 | 1ULL << 13);
+}
+
+static inline __le64 qib_sdma_make_desc1(u64 addr)
+{
+	/* SDmaPhyAddr[47:32] */
+	return cpu_to_le64(addr >> 32);
+}
+
+static void qib_user_sdma_send_frag(struct qib_pportdata *ppd,
+				    struct qib_user_sdma_pkt *pkt, int idx,
+				    unsigned ofs, u16 tail)
+{
+	const u64 addr = (u64) pkt->addr[idx].addr +
+		(u64) pkt->addr[idx].offset;
+	const u64 dwlen = (u64) pkt->addr[idx].length / 4;
+	__le64 *descqp;
+	__le64 descq0;
+
+	descqp = &ppd->sdma_descq[tail].qw[0];
+
+	descq0 = qib_sdma_make_desc0(ppd, addr, dwlen, ofs);
+	if (idx == 0)
+		descq0 = qib_sdma_make_first_desc0(descq0);
+	if (idx == pkt->naddr - 1)
+		descq0 = qib_sdma_make_last_desc0(descq0);
+
+	descqp[0] = descq0;
+	descqp[1] = qib_sdma_make_desc1(addr);
+}
+
+/* pq->lock must be held, get packets on the wire... */
+static int qib_user_sdma_push_pkts(struct qib_pportdata *ppd,
+				   struct qib_user_sdma_queue *pq,
+				   struct list_head *pktlist)
+{
+	struct qib_devdata *dd = ppd->dd;
+	int ret = 0;
+	unsigned long flags;
+	u16 tail;
+	u8 generation;
+	u64 descq_added;
+
+	if (list_empty(pktlist))
+		return 0;
+
+	if (unlikely(!(ppd->lflags & QIBL_LINKACTIVE)))
+		return -ECOMM;
+
+	spin_lock_irqsave(&ppd->sdma_lock, flags);
+
+	/* keep a copy for restoring purposes in case of problems */
+	generation = ppd->sdma_generation;
+	descq_added = ppd->sdma_descq_added;
+
+	if (unlikely(!__qib_sdma_running(ppd))) {
+		ret = -ECOMM;
+		goto unlock;
+	}
+
+	tail = ppd->sdma_descq_tail;
+	while (!list_empty(pktlist)) {
+		struct qib_user_sdma_pkt *pkt =
+			list_entry(pktlist->next, struct qib_user_sdma_pkt,
+				   list);
+		int i;
+		unsigned ofs = 0;
+		u16 dtail = tail;
+
+		if (pkt->naddr > qib_sdma_descq_freecnt(ppd))
+			goto unlock_check_tail;
+
+		for (i = 0; i < pkt->naddr; i++) {
+			qib_user_sdma_send_frag(ppd, pkt, i, ofs, tail);
+			ofs += pkt->addr[i].length >> 2;
+
+			if (++tail == ppd->sdma_descq_cnt) {
+				tail = 0;
+				++ppd->sdma_generation;
+			}
+		}
+
+		if ((ofs << 2) > ppd->ibmaxlen) {
+			ret = -EMSGSIZE;
+			goto unlock;
+		}
+
+		/*
+		 * If the packet is >= 2KB mtu equivalent, we have to use
+		 * the large buffers, and have to mark each descriptor as
+		 * part of a large buffer packet.
+		 */
+		if (ofs > dd->piosize2kmax_dwords) {
+			for (i = 0; i < pkt->naddr; i++) {
+				ppd->sdma_descq[dtail].qw[0] |=
+					cpu_to_le64(1ULL << 14);
+				if (++dtail == ppd->sdma_descq_cnt)
+					dtail = 0;
+			}
+		}
+
+		ppd->sdma_descq_added += pkt->naddr;
+		pkt->added = ppd->sdma_descq_added;
+		list_move_tail(&pkt->list, &pq->sent);
+		ret++;
+	}
+
+unlock_check_tail:
+	/* advance the tail on the chip if necessary */
+	if (ppd->sdma_descq_tail != tail)
+		dd->f_sdma_update_tail(ppd, tail);
+
+unlock:
+	if (unlikely(ret < 0)) {
+		ppd->sdma_generation = generation;
+		ppd->sdma_descq_added = descq_added;
+	}
+	spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+
+	return ret;
+}
+
+int qib_user_sdma_writev(struct qib_ctxtdata *rcd,
+			 struct qib_user_sdma_queue *pq,
+			 const struct iovec *iov,
+			 unsigned long dim)
+{
+	struct qib_devdata *dd = rcd->dd;
+	struct qib_pportdata *ppd = rcd->ppd;
+	int ret = 0;
+	struct list_head list;
+	int npkts = 0;
+
+	INIT_LIST_HEAD(&list);
+
+	mutex_lock(&pq->lock);
+
+	/* why not -ECOMM like qib_user_sdma_push_pkts() below? */
+	if (!qib_sdma_running(ppd))
+		goto done_unlock;
+
+	if (ppd->sdma_descq_added != ppd->sdma_descq_removed) {
+		qib_user_sdma_hwqueue_clean(ppd);
+		qib_user_sdma_queue_clean(ppd, pq);
+	}
+
+	while (dim) {
+		const int mxp = 8;
+
+		down_write(&current->mm->mmap_sem);
+		ret = qib_user_sdma_queue_pkts(dd, pq, &list, iov, dim, mxp);
+		up_write(&current->mm->mmap_sem);
+
+		if (ret <= 0)
+			goto done_unlock;
+		else {
+			dim -= ret;
+			iov += ret;
+		}
+
+		/* force packets onto the sdma hw queue... */
+		if (!list_empty(&list)) {
+			/*
+			 * Lazily clean hw queue.  the 4 is a guess of about
+			 * how many sdma descriptors a packet will take (it
+			 * doesn't have to be perfect).
+			 */
+			if (qib_sdma_descq_freecnt(ppd) < ret * 4) {
+				qib_user_sdma_hwqueue_clean(ppd);
+				qib_user_sdma_queue_clean(ppd, pq);
+			}
+
+			ret = qib_user_sdma_push_pkts(ppd, pq, &list);
+			if (ret < 0)
+				goto done_unlock;
+			else {
+				npkts += ret;
+				pq->counter += ret;
+
+				if (!list_empty(&list))
+					goto done_unlock;
+			}
+		}
+	}
+
+done_unlock:
+	if (!list_empty(&list))
+		qib_user_sdma_free_pkt_list(&dd->pcidev->dev, pq, &list);
+	mutex_unlock(&pq->lock);
+
+	return (ret < 0) ? ret : npkts;
+}
+
+int qib_user_sdma_make_progress(struct qib_pportdata *ppd,
+				struct qib_user_sdma_queue *pq)
+{
+	int ret = 0;
+
+	mutex_lock(&pq->lock);
+	qib_user_sdma_hwqueue_clean(ppd);
+	ret = qib_user_sdma_queue_clean(ppd, pq);
+	mutex_unlock(&pq->lock);
+
+	return ret;
+}
+
+u32 qib_user_sdma_complete_counter(const struct qib_user_sdma_queue *pq)
+{
+	return pq ? pq->sent_counter : 0;
+}
+
+u32 qib_user_sdma_inflight_counter(struct qib_user_sdma_queue *pq)
+{
+	return pq ? pq->counter : 0;
+}
diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.h b/drivers/infiniband/hw/qib/qib_user_sdma.h
new file mode 100644
index 00000000000..ce8cbaf6a5c
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_user_sdma.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/device.h>
+
+struct qib_user_sdma_queue;
+
+struct qib_user_sdma_queue *
+qib_user_sdma_queue_create(struct device *dev, int unit, int port, int sport);
+void qib_user_sdma_queue_destroy(struct qib_user_sdma_queue *pq);
+
+int qib_user_sdma_writev(struct qib_ctxtdata *pd,
+			 struct qib_user_sdma_queue *pq,
+			 const struct iovec *iov,
+			 unsigned long dim);
+
+int qib_user_sdma_make_progress(struct qib_pportdata *ppd,
+				struct qib_user_sdma_queue *pq);
+
+void qib_user_sdma_queue_drain(struct qib_pportdata *ppd,
+			       struct qib_user_sdma_queue *pq);
+
+u32 qib_user_sdma_complete_counter(const struct qib_user_sdma_queue *pq);
+u32 qib_user_sdma_inflight_counter(struct qib_user_sdma_queue *pq);
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
new file mode 100644
index 00000000000..cda8f4173d2
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -0,0 +1,2248 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <rdma/ib_mad.h>
+#include <rdma/ib_user_verbs.h>
+#include <linux/io.h>
+#include <linux/utsname.h>
+#include <linux/rculist.h>
+#include <linux/mm.h>
+
+#include "qib.h"
+#include "qib_common.h"
+
+static unsigned int ib_qib_qp_table_size = 251;
+module_param_named(qp_table_size, ib_qib_qp_table_size, uint, S_IRUGO);
+MODULE_PARM_DESC(qp_table_size, "QP table size");
+
+unsigned int ib_qib_lkey_table_size = 16;
+module_param_named(lkey_table_size, ib_qib_lkey_table_size, uint,
+		   S_IRUGO);
+MODULE_PARM_DESC(lkey_table_size,
+		 "LKEY table size in bits (2^n, 1 <= n <= 23)");
+
+static unsigned int ib_qib_max_pds = 0xFFFF;
+module_param_named(max_pds, ib_qib_max_pds, uint, S_IRUGO);
+MODULE_PARM_DESC(max_pds,
+		 "Maximum number of protection domains to support");
+
+static unsigned int ib_qib_max_ahs = 0xFFFF;
+module_param_named(max_ahs, ib_qib_max_ahs, uint, S_IRUGO);
+MODULE_PARM_DESC(max_ahs, "Maximum number of address handles to support");
+
+unsigned int ib_qib_max_cqes = 0x2FFFF;
+module_param_named(max_cqes, ib_qib_max_cqes, uint, S_IRUGO);
+MODULE_PARM_DESC(max_cqes,
+		 "Maximum number of completion queue entries to support");
+
+unsigned int ib_qib_max_cqs = 0x1FFFF;
+module_param_named(max_cqs, ib_qib_max_cqs, uint, S_IRUGO);
+MODULE_PARM_DESC(max_cqs, "Maximum number of completion queues to support");
+
+unsigned int ib_qib_max_qp_wrs = 0x3FFF;
+module_param_named(max_qp_wrs, ib_qib_max_qp_wrs, uint, S_IRUGO);
+MODULE_PARM_DESC(max_qp_wrs, "Maximum number of QP WRs to support");
+
+unsigned int ib_qib_max_qps = 16384;
+module_param_named(max_qps, ib_qib_max_qps, uint, S_IRUGO);
+MODULE_PARM_DESC(max_qps, "Maximum number of QPs to support");
+
+unsigned int ib_qib_max_sges = 0x60;
+module_param_named(max_sges, ib_qib_max_sges, uint, S_IRUGO);
+MODULE_PARM_DESC(max_sges, "Maximum number of SGEs to support");
+
+unsigned int ib_qib_max_mcast_grps = 16384;
+module_param_named(max_mcast_grps, ib_qib_max_mcast_grps, uint, S_IRUGO);
+MODULE_PARM_DESC(max_mcast_grps,
+		 "Maximum number of multicast groups to support");
+
+unsigned int ib_qib_max_mcast_qp_attached = 16;
+module_param_named(max_mcast_qp_attached, ib_qib_max_mcast_qp_attached,
+		   uint, S_IRUGO);
+MODULE_PARM_DESC(max_mcast_qp_attached,
+		 "Maximum number of attached QPs to support");
+
+unsigned int ib_qib_max_srqs = 1024;
+module_param_named(max_srqs, ib_qib_max_srqs, uint, S_IRUGO);
+MODULE_PARM_DESC(max_srqs, "Maximum number of SRQs to support");
+
+unsigned int ib_qib_max_srq_sges = 128;
+module_param_named(max_srq_sges, ib_qib_max_srq_sges, uint, S_IRUGO);
+MODULE_PARM_DESC(max_srq_sges, "Maximum number of SRQ SGEs to support");
+
+unsigned int ib_qib_max_srq_wrs = 0x1FFFF;
+module_param_named(max_srq_wrs, ib_qib_max_srq_wrs, uint, S_IRUGO);
+MODULE_PARM_DESC(max_srq_wrs, "Maximum number of SRQ WRs support");
+
+static unsigned int ib_qib_disable_sma;
+module_param_named(disable_sma, ib_qib_disable_sma, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(disable_sma, "Disable the SMA");
+
+/*
+ * Note that it is OK to post send work requests in the SQE and ERR
+ * states; qib_do_send() will process them and generate error
+ * completions as per IB 1.2 C10-96.
+ */
+const int ib_qib_state_ops[IB_QPS_ERR + 1] = {
+	[IB_QPS_RESET] = 0,
+	[IB_QPS_INIT] = QIB_POST_RECV_OK,
+	[IB_QPS_RTR] = QIB_POST_RECV_OK | QIB_PROCESS_RECV_OK,
+	[IB_QPS_RTS] = QIB_POST_RECV_OK | QIB_PROCESS_RECV_OK |
+	    QIB_POST_SEND_OK | QIB_PROCESS_SEND_OK |
+	    QIB_PROCESS_NEXT_SEND_OK,
+	[IB_QPS_SQD] = QIB_POST_RECV_OK | QIB_PROCESS_RECV_OK |
+	    QIB_POST_SEND_OK | QIB_PROCESS_SEND_OK,
+	[IB_QPS_SQE] = QIB_POST_RECV_OK | QIB_PROCESS_RECV_OK |
+	    QIB_POST_SEND_OK | QIB_FLUSH_SEND,
+	[IB_QPS_ERR] = QIB_POST_RECV_OK | QIB_FLUSH_RECV |
+	    QIB_POST_SEND_OK | QIB_FLUSH_SEND,
+};
+
+struct qib_ucontext {
+	struct ib_ucontext ibucontext;
+};
+
+static inline struct qib_ucontext *to_iucontext(struct ib_ucontext
+						  *ibucontext)
+{
+	return container_of(ibucontext, struct qib_ucontext, ibucontext);
+}
+
+/*
+ * Translate ib_wr_opcode into ib_wc_opcode.
+ */
+const enum ib_wc_opcode ib_qib_wc_opcode[] = {
+	[IB_WR_RDMA_WRITE] = IB_WC_RDMA_WRITE,
+	[IB_WR_RDMA_WRITE_WITH_IMM] = IB_WC_RDMA_WRITE,
+	[IB_WR_SEND] = IB_WC_SEND,
+	[IB_WR_SEND_WITH_IMM] = IB_WC_SEND,
+	[IB_WR_RDMA_READ] = IB_WC_RDMA_READ,
+	[IB_WR_ATOMIC_CMP_AND_SWP] = IB_WC_COMP_SWAP,
+	[IB_WR_ATOMIC_FETCH_AND_ADD] = IB_WC_FETCH_ADD
+};
+
+/*
+ * System image GUID.
+ */
+__be64 ib_qib_sys_image_guid;
+
+/**
+ * qib_copy_sge - copy data to SGE memory
+ * @ss: the SGE state
+ * @data: the data to copy
+ * @length: the length of the data
+ */
+void qib_copy_sge(struct qib_sge_state *ss, void *data, u32 length, int release)
+{
+	struct qib_sge *sge = &ss->sge;
+
+	while (length) {
+		u32 len = sge->length;
+
+		if (len > length)
+			len = length;
+		if (len > sge->sge_length)
+			len = sge->sge_length;
+		BUG_ON(len == 0);
+		memcpy(sge->vaddr, data, len);
+		sge->vaddr += len;
+		sge->length -= len;
+		sge->sge_length -= len;
+		if (sge->sge_length == 0) {
+			if (release)
+				atomic_dec(&sge->mr->refcount);
+			if (--ss->num_sge)
+				*sge = *ss->sg_list++;
+		} else if (sge->length == 0 && sge->mr->lkey) {
+			if (++sge->n >= QIB_SEGSZ) {
+				if (++sge->m >= sge->mr->mapsz)
+					break;
+				sge->n = 0;
+			}
+			sge->vaddr =
+				sge->mr->map[sge->m]->segs[sge->n].vaddr;
+			sge->length =
+				sge->mr->map[sge->m]->segs[sge->n].length;
+		}
+		data += len;
+		length -= len;
+	}
+}
+
+/**
+ * qib_skip_sge - skip over SGE memory - XXX almost dup of prev func
+ * @ss: the SGE state
+ * @length: the number of bytes to skip
+ */
+void qib_skip_sge(struct qib_sge_state *ss, u32 length, int release)
+{
+	struct qib_sge *sge = &ss->sge;
+
+	while (length) {
+		u32 len = sge->length;
+
+		if (len > length)
+			len = length;
+		if (len > sge->sge_length)
+			len = sge->sge_length;
+		BUG_ON(len == 0);
+		sge->vaddr += len;
+		sge->length -= len;
+		sge->sge_length -= len;
+		if (sge->sge_length == 0) {
+			if (release)
+				atomic_dec(&sge->mr->refcount);
+			if (--ss->num_sge)
+				*sge = *ss->sg_list++;
+		} else if (sge->length == 0 && sge->mr->lkey) {
+			if (++sge->n >= QIB_SEGSZ) {
+				if (++sge->m >= sge->mr->mapsz)
+					break;
+				sge->n = 0;
+			}
+			sge->vaddr =
+				sge->mr->map[sge->m]->segs[sge->n].vaddr;
+			sge->length =
+				sge->mr->map[sge->m]->segs[sge->n].length;
+		}
+		length -= len;
+	}
+}
+
+/*
+ * Count the number of DMA descriptors needed to send length bytes of data.
+ * Don't modify the qib_sge_state to get the count.
+ * Return zero if any of the segments is not aligned.
+ */
+static u32 qib_count_sge(struct qib_sge_state *ss, u32 length)
+{
+	struct qib_sge *sg_list = ss->sg_list;
+	struct qib_sge sge = ss->sge;
+	u8 num_sge = ss->num_sge;
+	u32 ndesc = 1;  /* count the header */
+
+	while (length) {
+		u32 len = sge.length;
+
+		if (len > length)
+			len = length;
+		if (len > sge.sge_length)
+			len = sge.sge_length;
+		BUG_ON(len == 0);
+		if (((long) sge.vaddr & (sizeof(u32) - 1)) ||
+		    (len != length && (len & (sizeof(u32) - 1)))) {
+			ndesc = 0;
+			break;
+		}
+		ndesc++;
+		sge.vaddr += len;
+		sge.length -= len;
+		sge.sge_length -= len;
+		if (sge.sge_length == 0) {
+			if (--num_sge)
+				sge = *sg_list++;
+		} else if (sge.length == 0 && sge.mr->lkey) {
+			if (++sge.n >= QIB_SEGSZ) {
+				if (++sge.m >= sge.mr->mapsz)
+					break;
+				sge.n = 0;
+			}
+			sge.vaddr =
+				sge.mr->map[sge.m]->segs[sge.n].vaddr;
+			sge.length =
+				sge.mr->map[sge.m]->segs[sge.n].length;
+		}
+		length -= len;
+	}
+	return ndesc;
+}
+
+/*
+ * Copy from the SGEs to the data buffer.
+ */
+static void qib_copy_from_sge(void *data, struct qib_sge_state *ss, u32 length)
+{
+	struct qib_sge *sge = &ss->sge;
+
+	while (length) {
+		u32 len = sge->length;
+
+		if (len > length)
+			len = length;
+		if (len > sge->sge_length)
+			len = sge->sge_length;
+		BUG_ON(len == 0);
+		memcpy(data, sge->vaddr, len);
+		sge->vaddr += len;
+		sge->length -= len;
+		sge->sge_length -= len;
+		if (sge->sge_length == 0) {
+			if (--ss->num_sge)
+				*sge = *ss->sg_list++;
+		} else if (sge->length == 0 && sge->mr->lkey) {
+			if (++sge->n >= QIB_SEGSZ) {
+				if (++sge->m >= sge->mr->mapsz)
+					break;
+				sge->n = 0;
+			}
+			sge->vaddr =
+				sge->mr->map[sge->m]->segs[sge->n].vaddr;
+			sge->length =
+				sge->mr->map[sge->m]->segs[sge->n].length;
+		}
+		data += len;
+		length -= len;
+	}
+}
+
+/**
+ * qib_post_one_send - post one RC, UC, or UD send work request
+ * @qp: the QP to post on
+ * @wr: the work request to send
+ */
+static int qib_post_one_send(struct qib_qp *qp, struct ib_send_wr *wr)
+{
+	struct qib_swqe *wqe;
+	u32 next;
+	int i;
+	int j;
+	int acc;
+	int ret;
+	unsigned long flags;
+	struct qib_lkey_table *rkt;
+	struct qib_pd *pd;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+
+	/* Check that state is OK to post send. */
+	if (unlikely(!(ib_qib_state_ops[qp->state] & QIB_POST_SEND_OK)))
+		goto bail_inval;
+
+	/* IB spec says that num_sge == 0 is OK. */
+	if (wr->num_sge > qp->s_max_sge)
+		goto bail_inval;
+
+	/*
+	 * Don't allow RDMA reads or atomic operations on UC or
+	 * undefined operations.
+	 * Make sure buffer is large enough to hold the result for atomics.
+	 */
+	if (wr->opcode == IB_WR_FAST_REG_MR) {
+		if (qib_fast_reg_mr(qp, wr))
+			goto bail_inval;
+	} else if (qp->ibqp.qp_type == IB_QPT_UC) {
+		if ((unsigned) wr->opcode >= IB_WR_RDMA_READ)
+			goto bail_inval;
+	} else if (qp->ibqp.qp_type != IB_QPT_RC) {
+		/* Check IB_QPT_SMI, IB_QPT_GSI, IB_QPT_UD opcode */
+		if (wr->opcode != IB_WR_SEND &&
+		    wr->opcode != IB_WR_SEND_WITH_IMM)
+			goto bail_inval;
+		/* Check UD destination address PD */
+		if (qp->ibqp.pd != wr->wr.ud.ah->pd)
+			goto bail_inval;
+	} else if ((unsigned) wr->opcode > IB_WR_ATOMIC_FETCH_AND_ADD)
+		goto bail_inval;
+	else if (wr->opcode >= IB_WR_ATOMIC_CMP_AND_SWP &&
+		   (wr->num_sge == 0 ||
+		    wr->sg_list[0].length < sizeof(u64) ||
+		    wr->sg_list[0].addr & (sizeof(u64) - 1)))
+		goto bail_inval;
+	else if (wr->opcode >= IB_WR_RDMA_READ && !qp->s_max_rd_atomic)
+		goto bail_inval;
+
+	next = qp->s_head + 1;
+	if (next >= qp->s_size)
+		next = 0;
+	if (next == qp->s_last) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	rkt = &to_idev(qp->ibqp.device)->lk_table;
+	pd = to_ipd(qp->ibqp.pd);
+	wqe = get_swqe_ptr(qp, qp->s_head);
+	wqe->wr = *wr;
+	wqe->length = 0;
+	j = 0;
+	if (wr->num_sge) {
+		acc = wr->opcode >= IB_WR_RDMA_READ ?
+			IB_ACCESS_LOCAL_WRITE : 0;
+		for (i = 0; i < wr->num_sge; i++) {
+			u32 length = wr->sg_list[i].length;
+			int ok;
+
+			if (length == 0)
+				continue;
+			ok = qib_lkey_ok(rkt, pd, &wqe->sg_list[j],
+					 &wr->sg_list[i], acc);
+			if (!ok)
+				goto bail_inval_free;
+			wqe->length += length;
+			j++;
+		}
+		wqe->wr.num_sge = j;
+	}
+	if (qp->ibqp.qp_type == IB_QPT_UC ||
+	    qp->ibqp.qp_type == IB_QPT_RC) {
+		if (wqe->length > 0x80000000U)
+			goto bail_inval_free;
+	} else if (wqe->length > (dd_from_ibdev(qp->ibqp.device)->pport +
+				  qp->port_num - 1)->ibmtu)
+		goto bail_inval_free;
+	else
+		atomic_inc(&to_iah(wr->wr.ud.ah)->refcount);
+	wqe->ssn = qp->s_ssn++;
+	qp->s_head = next;
+
+	ret = 0;
+	goto bail;
+
+bail_inval_free:
+	while (j) {
+		struct qib_sge *sge = &wqe->sg_list[--j];
+
+		atomic_dec(&sge->mr->refcount);
+	}
+bail_inval:
+	ret = -EINVAL;
+bail:
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+	return ret;
+}
+
+/**
+ * qib_post_send - post a send on a QP
+ * @ibqp: the QP to post the send on
+ * @wr: the list of work requests to post
+ * @bad_wr: the first bad WR is put here
+ *
+ * This may be called from interrupt context.
+ */
+static int qib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
+			 struct ib_send_wr **bad_wr)
+{
+	struct qib_qp *qp = to_iqp(ibqp);
+	int err = 0;
+
+	for (; wr; wr = wr->next) {
+		err = qib_post_one_send(qp, wr);
+		if (err) {
+			*bad_wr = wr;
+			goto bail;
+		}
+	}
+
+	/* Try to do the send work in the caller's context. */
+	qib_do_send(&qp->s_work);
+
+bail:
+	return err;
+}
+
+/**
+ * qib_post_receive - post a receive on a QP
+ * @ibqp: the QP to post the receive on
+ * @wr: the WR to post
+ * @bad_wr: the first bad WR is put here
+ *
+ * This may be called from interrupt context.
+ */
+static int qib_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
+			    struct ib_recv_wr **bad_wr)
+{
+	struct qib_qp *qp = to_iqp(ibqp);
+	struct qib_rwq *wq = qp->r_rq.wq;
+	unsigned long flags;
+	int ret;
+
+	/* Check that state is OK to post receive. */
+	if (!(ib_qib_state_ops[qp->state] & QIB_POST_RECV_OK) || !wq) {
+		*bad_wr = wr;
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	for (; wr; wr = wr->next) {
+		struct qib_rwqe *wqe;
+		u32 next;
+		int i;
+
+		if ((unsigned) wr->num_sge > qp->r_rq.max_sge) {
+			*bad_wr = wr;
+			ret = -EINVAL;
+			goto bail;
+		}
+
+		spin_lock_irqsave(&qp->r_rq.lock, flags);
+		next = wq->head + 1;
+		if (next >= qp->r_rq.size)
+			next = 0;
+		if (next == wq->tail) {
+			spin_unlock_irqrestore(&qp->r_rq.lock, flags);
+			*bad_wr = wr;
+			ret = -ENOMEM;
+			goto bail;
+		}
+
+		wqe = get_rwqe_ptr(&qp->r_rq, wq->head);
+		wqe->wr_id = wr->wr_id;
+		wqe->num_sge = wr->num_sge;
+		for (i = 0; i < wr->num_sge; i++)
+			wqe->sg_list[i] = wr->sg_list[i];
+		/* Make sure queue entry is written before the head index. */
+		smp_wmb();
+		wq->head = next;
+		spin_unlock_irqrestore(&qp->r_rq.lock, flags);
+	}
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_qp_rcv - processing an incoming packet on a QP
+ * @rcd: the context pointer
+ * @hdr: the packet header
+ * @has_grh: true if the packet has a GRH
+ * @data: the packet data
+ * @tlen: the packet length
+ * @qp: the QP the packet came on
+ *
+ * This is called from qib_ib_rcv() to process an incoming packet
+ * for the given QP.
+ * Called at interrupt level.
+ */
+static void qib_qp_rcv(struct qib_ctxtdata *rcd, struct qib_ib_header *hdr,
+		       int has_grh, void *data, u32 tlen, struct qib_qp *qp)
+{
+	struct qib_ibport *ibp = &rcd->ppd->ibport_data;
+
+	/* Check for valid receive state. */
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK)) {
+		ibp->n_pkt_drops++;
+		return;
+	}
+
+	switch (qp->ibqp.qp_type) {
+	case IB_QPT_SMI:
+	case IB_QPT_GSI:
+		if (ib_qib_disable_sma)
+			break;
+		/* FALLTHROUGH */
+	case IB_QPT_UD:
+		qib_ud_rcv(ibp, hdr, has_grh, data, tlen, qp);
+		break;
+
+	case IB_QPT_RC:
+		qib_rc_rcv(rcd, hdr, has_grh, data, tlen, qp);
+		break;
+
+	case IB_QPT_UC:
+		qib_uc_rcv(ibp, hdr, has_grh, data, tlen, qp);
+		break;
+
+	default:
+		break;
+	}
+}
+
+/**
+ * qib_ib_rcv - process an incoming packet
+ * @rcd: the context pointer
+ * @rhdr: the header of the packet
+ * @data: the packet payload
+ * @tlen: the packet length
+ *
+ * This is called from qib_kreceive() to process an incoming packet at
+ * interrupt level. Tlen is the length of the header + data + CRC in bytes.
+ */
+void qib_ib_rcv(struct qib_ctxtdata *rcd, void *rhdr, void *data, u32 tlen)
+{
+	struct qib_pportdata *ppd = rcd->ppd;
+	struct qib_ibport *ibp = &ppd->ibport_data;
+	struct qib_ib_header *hdr = rhdr;
+	struct qib_other_headers *ohdr;
+	struct qib_qp *qp;
+	u32 qp_num;
+	int lnh;
+	u8 opcode;
+	u16 lid;
+
+	/* 24 == LRH+BTH+CRC */
+	if (unlikely(tlen < 24))
+		goto drop;
+
+	/* Check for a valid destination LID (see ch. 7.11.1). */
+	lid = be16_to_cpu(hdr->lrh[1]);
+	if (lid < QIB_MULTICAST_LID_BASE) {
+		lid &= ~((1 << ppd->lmc) - 1);
+		if (unlikely(lid != ppd->lid))
+			goto drop;
+	}
+
+	/* Check for GRH */
+	lnh = be16_to_cpu(hdr->lrh[0]) & 3;
+	if (lnh == QIB_LRH_BTH)
+		ohdr = &hdr->u.oth;
+	else if (lnh == QIB_LRH_GRH) {
+		u32 vtf;
+
+		ohdr = &hdr->u.l.oth;
+		if (hdr->u.l.grh.next_hdr != IB_GRH_NEXT_HDR)
+			goto drop;
+		vtf = be32_to_cpu(hdr->u.l.grh.version_tclass_flow);
+		if ((vtf >> IB_GRH_VERSION_SHIFT) != IB_GRH_VERSION)
+			goto drop;
+	} else
+		goto drop;
+
+	opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
+	ibp->opstats[opcode & 0x7f].n_bytes += tlen;
+	ibp->opstats[opcode & 0x7f].n_packets++;
+
+	/* Get the destination QP number. */
+	qp_num = be32_to_cpu(ohdr->bth[1]) & QIB_QPN_MASK;
+	if (qp_num == QIB_MULTICAST_QPN) {
+		struct qib_mcast *mcast;
+		struct qib_mcast_qp *p;
+
+		if (lnh != QIB_LRH_GRH)
+			goto drop;
+		mcast = qib_mcast_find(ibp, &hdr->u.l.grh.dgid);
+		if (mcast == NULL)
+			goto drop;
+		ibp->n_multicast_rcv++;
+		list_for_each_entry_rcu(p, &mcast->qp_list, list)
+			qib_qp_rcv(rcd, hdr, 1, data, tlen, p->qp);
+		/*
+		 * Notify qib_multicast_detach() if it is waiting for us
+		 * to finish.
+		 */
+		if (atomic_dec_return(&mcast->refcount) <= 1)
+			wake_up(&mcast->wait);
+	} else {
+		qp = qib_lookup_qpn(ibp, qp_num);
+		if (!qp)
+			goto drop;
+		ibp->n_unicast_rcv++;
+		qib_qp_rcv(rcd, hdr, lnh == QIB_LRH_GRH, data, tlen, qp);
+		/*
+		 * Notify qib_destroy_qp() if it is waiting
+		 * for us to finish.
+		 */
+		if (atomic_dec_and_test(&qp->refcount))
+			wake_up(&qp->wait);
+	}
+	return;
+
+drop:
+	ibp->n_pkt_drops++;
+}
+
+/*
+ * This is called from a timer to check for QPs
+ * which need kernel memory in order to send a packet.
+ */
+static void mem_timer(unsigned long data)
+{
+	struct qib_ibdev *dev = (struct qib_ibdev *) data;
+	struct list_head *list = &dev->memwait;
+	struct qib_qp *qp = NULL;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->pending_lock, flags);
+	if (!list_empty(list)) {
+		qp = list_entry(list->next, struct qib_qp, iowait);
+		list_del_init(&qp->iowait);
+		atomic_inc(&qp->refcount);
+		if (!list_empty(list))
+			mod_timer(&dev->mem_timer, jiffies + 1);
+	}
+	spin_unlock_irqrestore(&dev->pending_lock, flags);
+
+	if (qp) {
+		spin_lock_irqsave(&qp->s_lock, flags);
+		if (qp->s_flags & QIB_S_WAIT_KMEM) {
+			qp->s_flags &= ~QIB_S_WAIT_KMEM;
+			qib_schedule_send(qp);
+		}
+		spin_unlock_irqrestore(&qp->s_lock, flags);
+		if (atomic_dec_and_test(&qp->refcount))
+			wake_up(&qp->wait);
+	}
+}
+
+static void update_sge(struct qib_sge_state *ss, u32 length)
+{
+	struct qib_sge *sge = &ss->sge;
+
+	sge->vaddr += length;
+	sge->length -= length;
+	sge->sge_length -= length;
+	if (sge->sge_length == 0) {
+		if (--ss->num_sge)
+			*sge = *ss->sg_list++;
+	} else if (sge->length == 0 && sge->mr->lkey) {
+		if (++sge->n >= QIB_SEGSZ) {
+			if (++sge->m >= sge->mr->mapsz)
+				return;
+			sge->n = 0;
+		}
+		sge->vaddr = sge->mr->map[sge->m]->segs[sge->n].vaddr;
+		sge->length = sge->mr->map[sge->m]->segs[sge->n].length;
+	}
+}
+
+#ifdef __LITTLE_ENDIAN
+static inline u32 get_upper_bits(u32 data, u32 shift)
+{
+	return data >> shift;
+}
+
+static inline u32 set_upper_bits(u32 data, u32 shift)
+{
+	return data << shift;
+}
+
+static inline u32 clear_upper_bytes(u32 data, u32 n, u32 off)
+{
+	data <<= ((sizeof(u32) - n) * BITS_PER_BYTE);
+	data >>= ((sizeof(u32) - n - off) * BITS_PER_BYTE);
+	return data;
+}
+#else
+static inline u32 get_upper_bits(u32 data, u32 shift)
+{
+	return data << shift;
+}
+
+static inline u32 set_upper_bits(u32 data, u32 shift)
+{
+	return data >> shift;
+}
+
+static inline u32 clear_upper_bytes(u32 data, u32 n, u32 off)
+{
+	data >>= ((sizeof(u32) - n) * BITS_PER_BYTE);
+	data <<= ((sizeof(u32) - n - off) * BITS_PER_BYTE);
+	return data;
+}
+#endif
+
+static void copy_io(u32 __iomem *piobuf, struct qib_sge_state *ss,
+		    u32 length, unsigned flush_wc)
+{
+	u32 extra = 0;
+	u32 data = 0;
+	u32 last;
+
+	while (1) {
+		u32 len = ss->sge.length;
+		u32 off;
+
+		if (len > length)
+			len = length;
+		if (len > ss->sge.sge_length)
+			len = ss->sge.sge_length;
+		BUG_ON(len == 0);
+		/* If the source address is not aligned, try to align it. */
+		off = (unsigned long)ss->sge.vaddr & (sizeof(u32) - 1);
+		if (off) {
+			u32 *addr = (u32 *)((unsigned long)ss->sge.vaddr &
+					    ~(sizeof(u32) - 1));
+			u32 v = get_upper_bits(*addr, off * BITS_PER_BYTE);
+			u32 y;
+
+			y = sizeof(u32) - off;
+			if (len > y)
+				len = y;
+			if (len + extra >= sizeof(u32)) {
+				data |= set_upper_bits(v, extra *
+						       BITS_PER_BYTE);
+				len = sizeof(u32) - extra;
+				if (len == length) {
+					last = data;
+					break;
+				}
+				__raw_writel(data, piobuf);
+				piobuf++;
+				extra = 0;
+				data = 0;
+			} else {
+				/* Clear unused upper bytes */
+				data |= clear_upper_bytes(v, len, extra);
+				if (len == length) {
+					last = data;
+					break;
+				}
+				extra += len;
+			}
+		} else if (extra) {
+			/* Source address is aligned. */
+			u32 *addr = (u32 *) ss->sge.vaddr;
+			int shift = extra * BITS_PER_BYTE;
+			int ushift = 32 - shift;
+			u32 l = len;
+
+			while (l >= sizeof(u32)) {
+				u32 v = *addr;
+
+				data |= set_upper_bits(v, shift);
+				__raw_writel(data, piobuf);
+				data = get_upper_bits(v, ushift);
+				piobuf++;
+				addr++;
+				l -= sizeof(u32);
+			}
+			/*
+			 * We still have 'extra' number of bytes leftover.
+			 */
+			if (l) {
+				u32 v = *addr;
+
+				if (l + extra >= sizeof(u32)) {
+					data |= set_upper_bits(v, shift);
+					len -= l + extra - sizeof(u32);
+					if (len == length) {
+						last = data;
+						break;
+					}
+					__raw_writel(data, piobuf);
+					piobuf++;
+					extra = 0;
+					data = 0;
+				} else {
+					/* Clear unused upper bytes */
+					data |= clear_upper_bytes(v, l, extra);
+					if (len == length) {
+						last = data;
+						break;
+					}
+					extra += l;
+				}
+			} else if (len == length) {
+				last = data;
+				break;
+			}
+		} else if (len == length) {
+			u32 w;
+
+			/*
+			 * Need to round up for the last dword in the
+			 * packet.
+			 */
+			w = (len + 3) >> 2;
+			qib_pio_copy(piobuf, ss->sge.vaddr, w - 1);
+			piobuf += w - 1;
+			last = ((u32 *) ss->sge.vaddr)[w - 1];
+			break;
+		} else {
+			u32 w = len >> 2;
+
+			qib_pio_copy(piobuf, ss->sge.vaddr, w);
+			piobuf += w;
+
+			extra = len & (sizeof(u32) - 1);
+			if (extra) {
+				u32 v = ((u32 *) ss->sge.vaddr)[w];
+
+				/* Clear unused upper bytes */
+				data = clear_upper_bytes(v, extra, 0);
+			}
+		}
+		update_sge(ss, len);
+		length -= len;
+	}
+	/* Update address before sending packet. */
+	update_sge(ss, length);
+	if (flush_wc) {
+		/* must flush early everything before trigger word */
+		qib_flush_wc();
+		__raw_writel(last, piobuf);
+		/* be sure trigger word is written */
+		qib_flush_wc();
+	} else
+		__raw_writel(last, piobuf);
+}
+
+static struct qib_verbs_txreq *get_txreq(struct qib_ibdev *dev,
+					 struct qib_qp *qp, int *retp)
+{
+	struct qib_verbs_txreq *tx;
+	unsigned long flags;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+	spin_lock(&dev->pending_lock);
+
+	if (!list_empty(&dev->txreq_free)) {
+		struct list_head *l = dev->txreq_free.next;
+
+		list_del(l);
+		tx = list_entry(l, struct qib_verbs_txreq, txreq.list);
+		*retp = 0;
+	} else {
+		if (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK &&
+		    list_empty(&qp->iowait)) {
+			dev->n_txwait++;
+			qp->s_flags |= QIB_S_WAIT_TX;
+			list_add_tail(&qp->iowait, &dev->txwait);
+		}
+		tx = NULL;
+		qp->s_flags &= ~QIB_S_BUSY;
+		*retp = -EBUSY;
+	}
+
+	spin_unlock(&dev->pending_lock);
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+
+	return tx;
+}
+
+void qib_put_txreq(struct qib_verbs_txreq *tx)
+{
+	struct qib_ibdev *dev;
+	struct qib_qp *qp;
+	unsigned long flags;
+
+	qp = tx->qp;
+	dev = to_idev(qp->ibqp.device);
+
+	if (atomic_dec_and_test(&qp->refcount))
+		wake_up(&qp->wait);
+	if (tx->mr) {
+		atomic_dec(&tx->mr->refcount);
+		tx->mr = NULL;
+	}
+	if (tx->txreq.flags & QIB_SDMA_TXREQ_F_FREEBUF) {
+		tx->txreq.flags &= ~QIB_SDMA_TXREQ_F_FREEBUF;
+		dma_unmap_single(&dd_from_dev(dev)->pcidev->dev,
+				 tx->txreq.addr, tx->hdr_dwords << 2,
+				 DMA_TO_DEVICE);
+		kfree(tx->align_buf);
+	}
+
+	spin_lock_irqsave(&dev->pending_lock, flags);
+
+	/* Put struct back on free list */
+	list_add(&tx->txreq.list, &dev->txreq_free);
+
+	if (!list_empty(&dev->txwait)) {
+		/* Wake up first QP wanting a free struct */
+		qp = list_entry(dev->txwait.next, struct qib_qp, iowait);
+		list_del_init(&qp->iowait);
+		atomic_inc(&qp->refcount);
+		spin_unlock_irqrestore(&dev->pending_lock, flags);
+
+		spin_lock_irqsave(&qp->s_lock, flags);
+		if (qp->s_flags & QIB_S_WAIT_TX) {
+			qp->s_flags &= ~QIB_S_WAIT_TX;
+			qib_schedule_send(qp);
+		}
+		spin_unlock_irqrestore(&qp->s_lock, flags);
+
+		if (atomic_dec_and_test(&qp->refcount))
+			wake_up(&qp->wait);
+	} else
+		spin_unlock_irqrestore(&dev->pending_lock, flags);
+}
+
+/*
+ * This is called when there are send DMA descriptors that might be
+ * available.
+ *
+ * This is called with ppd->sdma_lock held.
+ */
+void qib_verbs_sdma_desc_avail(struct qib_pportdata *ppd, unsigned avail)
+{
+	struct qib_qp *qp, *nqp;
+	struct qib_qp *qps[20];
+	struct qib_ibdev *dev;
+	unsigned i, n;
+
+	n = 0;
+	dev = &ppd->dd->verbs_dev;
+	spin_lock(&dev->pending_lock);
+
+	/* Search wait list for first QP wanting DMA descriptors. */
+	list_for_each_entry_safe(qp, nqp, &dev->dmawait, iowait) {
+		if (qp->port_num != ppd->port)
+			continue;
+		if (n == ARRAY_SIZE(qps))
+			break;
+		if (qp->s_tx->txreq.sg_count > avail)
+			break;
+		avail -= qp->s_tx->txreq.sg_count;
+		list_del_init(&qp->iowait);
+		atomic_inc(&qp->refcount);
+		qps[n++] = qp;
+	}
+
+	spin_unlock(&dev->pending_lock);
+
+	for (i = 0; i < n; i++) {
+		qp = qps[i];
+		spin_lock(&qp->s_lock);
+		if (qp->s_flags & QIB_S_WAIT_DMA_DESC) {
+			qp->s_flags &= ~QIB_S_WAIT_DMA_DESC;
+			qib_schedule_send(qp);
+		}
+		spin_unlock(&qp->s_lock);
+		if (atomic_dec_and_test(&qp->refcount))
+			wake_up(&qp->wait);
+	}
+}
+
+/*
+ * This is called with ppd->sdma_lock held.
+ */
+static void sdma_complete(struct qib_sdma_txreq *cookie, int status)
+{
+	struct qib_verbs_txreq *tx =
+		container_of(cookie, struct qib_verbs_txreq, txreq);
+	struct qib_qp *qp = tx->qp;
+
+	spin_lock(&qp->s_lock);
+	if (tx->wqe)
+		qib_send_complete(qp, tx->wqe, IB_WC_SUCCESS);
+	else if (qp->ibqp.qp_type == IB_QPT_RC) {
+		struct qib_ib_header *hdr;
+
+		if (tx->txreq.flags & QIB_SDMA_TXREQ_F_FREEBUF)
+			hdr = &tx->align_buf->hdr;
+		else {
+			struct qib_ibdev *dev = to_idev(qp->ibqp.device);
+
+			hdr = &dev->pio_hdrs[tx->hdr_inx].hdr;
+		}
+		qib_rc_send_complete(qp, hdr);
+	}
+	if (atomic_dec_and_test(&qp->s_dma_busy)) {
+		if (qp->state == IB_QPS_RESET)
+			wake_up(&qp->wait_dma);
+		else if (qp->s_flags & QIB_S_WAIT_DMA) {
+			qp->s_flags &= ~QIB_S_WAIT_DMA;
+			qib_schedule_send(qp);
+		}
+	}
+	spin_unlock(&qp->s_lock);
+
+	qib_put_txreq(tx);
+}
+
+static int wait_kmem(struct qib_ibdev *dev, struct qib_qp *qp)
+{
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&qp->s_lock, flags);
+	if (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK) {
+		spin_lock(&dev->pending_lock);
+		if (list_empty(&qp->iowait)) {
+			if (list_empty(&dev->memwait))
+				mod_timer(&dev->mem_timer, jiffies + 1);
+			qp->s_flags |= QIB_S_WAIT_KMEM;
+			list_add_tail(&qp->iowait, &dev->memwait);
+		}
+		spin_unlock(&dev->pending_lock);
+		qp->s_flags &= ~QIB_S_BUSY;
+		ret = -EBUSY;
+	}
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+
+	return ret;
+}
+
+static int qib_verbs_send_dma(struct qib_qp *qp, struct qib_ib_header *hdr,
+			      u32 hdrwords, struct qib_sge_state *ss, u32 len,
+			      u32 plen, u32 dwords)
+{
+	struct qib_ibdev *dev = to_idev(qp->ibqp.device);
+	struct qib_devdata *dd = dd_from_dev(dev);
+	struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	struct qib_verbs_txreq *tx;
+	struct qib_pio_header *phdr;
+	u32 control;
+	u32 ndesc;
+	int ret;
+
+	tx = qp->s_tx;
+	if (tx) {
+		qp->s_tx = NULL;
+		/* resend previously constructed packet */
+		ret = qib_sdma_verbs_send(ppd, tx->ss, tx->dwords, tx);
+		goto bail;
+	}
+
+	tx = get_txreq(dev, qp, &ret);
+	if (!tx)
+		goto bail;
+
+	control = dd->f_setpbc_control(ppd, plen, qp->s_srate,
+				       be16_to_cpu(hdr->lrh[0]) >> 12);
+	tx->qp = qp;
+	atomic_inc(&qp->refcount);
+	tx->wqe = qp->s_wqe;
+	tx->mr = qp->s_rdma_mr;
+	if (qp->s_rdma_mr)
+		qp->s_rdma_mr = NULL;
+	tx->txreq.callback = sdma_complete;
+	if (dd->flags & QIB_HAS_SDMA_TIMEOUT)
+		tx->txreq.flags = QIB_SDMA_TXREQ_F_HEADTOHOST;
+	else
+		tx->txreq.flags = QIB_SDMA_TXREQ_F_INTREQ;
+	if (plen + 1 > dd->piosize2kmax_dwords)
+		tx->txreq.flags |= QIB_SDMA_TXREQ_F_USELARGEBUF;
+
+	if (len) {
+		/*
+		 * Don't try to DMA if it takes more descriptors than
+		 * the queue holds.
+		 */
+		ndesc = qib_count_sge(ss, len);
+		if (ndesc >= ppd->sdma_descq_cnt)
+			ndesc = 0;
+	} else
+		ndesc = 1;
+	if (ndesc) {
+		phdr = &dev->pio_hdrs[tx->hdr_inx];
+		phdr->pbc[0] = cpu_to_le32(plen);
+		phdr->pbc[1] = cpu_to_le32(control);
+		memcpy(&phdr->hdr, hdr, hdrwords << 2);
+		tx->txreq.flags |= QIB_SDMA_TXREQ_F_FREEDESC;
+		tx->txreq.sg_count = ndesc;
+		tx->txreq.addr = dev->pio_hdrs_phys +
+			tx->hdr_inx * sizeof(struct qib_pio_header);
+		tx->hdr_dwords = hdrwords + 2; /* add PBC length */
+		ret = qib_sdma_verbs_send(ppd, ss, dwords, tx);
+		goto bail;
+	}
+
+	/* Allocate a buffer and copy the header and payload to it. */
+	tx->hdr_dwords = plen + 1;
+	phdr = kmalloc(tx->hdr_dwords << 2, GFP_ATOMIC);
+	if (!phdr)
+		goto err_tx;
+	phdr->pbc[0] = cpu_to_le32(plen);
+	phdr->pbc[1] = cpu_to_le32(control);
+	memcpy(&phdr->hdr, hdr, hdrwords << 2);
+	qib_copy_from_sge((u32 *) &phdr->hdr + hdrwords, ss, len);
+
+	tx->txreq.addr = dma_map_single(&dd->pcidev->dev, phdr,
+					tx->hdr_dwords << 2, DMA_TO_DEVICE);
+	if (dma_mapping_error(&dd->pcidev->dev, tx->txreq.addr))
+		goto map_err;
+	tx->align_buf = phdr;
+	tx->txreq.flags |= QIB_SDMA_TXREQ_F_FREEBUF;
+	tx->txreq.sg_count = 1;
+	ret = qib_sdma_verbs_send(ppd, NULL, 0, tx);
+	goto unaligned;
+
+map_err:
+	kfree(phdr);
+err_tx:
+	qib_put_txreq(tx);
+	ret = wait_kmem(dev, qp);
+unaligned:
+	ibp->n_unaligned++;
+bail:
+	return ret;
+}
+
+/*
+ * If we are now in the error state, return zero to flush the
+ * send work request.
+ */
+static int no_bufs_available(struct qib_qp *qp)
+{
+	struct qib_ibdev *dev = to_idev(qp->ibqp.device);
+	struct qib_devdata *dd;
+	unsigned long flags;
+	int ret = 0;
+
+	/*
+	 * Note that as soon as want_buffer() is called and
+	 * possibly before it returns, qib_ib_piobufavail()
+	 * could be called. Therefore, put QP on the I/O wait list before
+	 * enabling the PIO avail interrupt.
+	 */
+	spin_lock_irqsave(&qp->s_lock, flags);
+	if (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK) {
+		spin_lock(&dev->pending_lock);
+		if (list_empty(&qp->iowait)) {
+			dev->n_piowait++;
+			qp->s_flags |= QIB_S_WAIT_PIO;
+			list_add_tail(&qp->iowait, &dev->piowait);
+			dd = dd_from_dev(dev);
+			dd->f_wantpiobuf_intr(dd, 1);
+		}
+		spin_unlock(&dev->pending_lock);
+		qp->s_flags &= ~QIB_S_BUSY;
+		ret = -EBUSY;
+	}
+	spin_unlock_irqrestore(&qp->s_lock, flags);
+	return ret;
+}
+
+static int qib_verbs_send_pio(struct qib_qp *qp, struct qib_ib_header *ibhdr,
+			      u32 hdrwords, struct qib_sge_state *ss, u32 len,
+			      u32 plen, u32 dwords)
+{
+	struct qib_devdata *dd = dd_from_ibdev(qp->ibqp.device);
+	struct qib_pportdata *ppd = dd->pport + qp->port_num - 1;
+	u32 *hdr = (u32 *) ibhdr;
+	u32 __iomem *piobuf_orig;
+	u32 __iomem *piobuf;
+	u64 pbc;
+	unsigned long flags;
+	unsigned flush_wc;
+	u32 control;
+	u32 pbufn;
+
+	control = dd->f_setpbc_control(ppd, plen, qp->s_srate,
+		be16_to_cpu(ibhdr->lrh[0]) >> 12);
+	pbc = ((u64) control << 32) | plen;
+	piobuf = dd->f_getsendbuf(ppd, pbc, &pbufn);
+	if (unlikely(piobuf == NULL))
+		return no_bufs_available(qp);
+
+	/*
+	 * Write the pbc.
+	 * We have to flush after the PBC for correctness on some cpus
+	 * or WC buffer can be written out of order.
+	 */
+	writeq(pbc, piobuf);
+	piobuf_orig = piobuf;
+	piobuf += 2;
+
+	flush_wc = dd->flags & QIB_PIO_FLUSH_WC;
+	if (len == 0) {
+		/*
+		 * If there is just the header portion, must flush before
+		 * writing last word of header for correctness, and after
+		 * the last header word (trigger word).
+		 */
+		if (flush_wc) {
+			qib_flush_wc();
+			qib_pio_copy(piobuf, hdr, hdrwords - 1);
+			qib_flush_wc();
+			__raw_writel(hdr[hdrwords - 1], piobuf + hdrwords - 1);
+			qib_flush_wc();
+		} else
+			qib_pio_copy(piobuf, hdr, hdrwords);
+		goto done;
+	}
+
+	if (flush_wc)
+		qib_flush_wc();
+	qib_pio_copy(piobuf, hdr, hdrwords);
+	piobuf += hdrwords;
+
+	/* The common case is aligned and contained in one segment. */
+	if (likely(ss->num_sge == 1 && len <= ss->sge.length &&
+		   !((unsigned long)ss->sge.vaddr & (sizeof(u32) - 1)))) {
+		u32 *addr = (u32 *) ss->sge.vaddr;
+
+		/* Update address before sending packet. */
+		update_sge(ss, len);
+		if (flush_wc) {
+			qib_pio_copy(piobuf, addr, dwords - 1);
+			/* must flush early everything before trigger word */
+			qib_flush_wc();
+			__raw_writel(addr[dwords - 1], piobuf + dwords - 1);
+			/* be sure trigger word is written */
+			qib_flush_wc();
+		} else
+			qib_pio_copy(piobuf, addr, dwords);
+		goto done;
+	}
+	copy_io(piobuf, ss, len, flush_wc);
+done:
+	if (dd->flags & QIB_USE_SPCL_TRIG) {
+		u32 spcl_off = (pbufn >= dd->piobcnt2k) ? 2047 : 1023;
+		qib_flush_wc();
+		__raw_writel(0xaebecede, piobuf_orig + spcl_off);
+	}
+	qib_sendbuf_done(dd, pbufn);
+	if (qp->s_rdma_mr) {
+		atomic_dec(&qp->s_rdma_mr->refcount);
+		qp->s_rdma_mr = NULL;
+	}
+	if (qp->s_wqe) {
+		spin_lock_irqsave(&qp->s_lock, flags);
+		qib_send_complete(qp, qp->s_wqe, IB_WC_SUCCESS);
+		spin_unlock_irqrestore(&qp->s_lock, flags);
+	} else if (qp->ibqp.qp_type == IB_QPT_RC) {
+		spin_lock_irqsave(&qp->s_lock, flags);
+		qib_rc_send_complete(qp, ibhdr);
+		spin_unlock_irqrestore(&qp->s_lock, flags);
+	}
+	return 0;
+}
+
+/**
+ * qib_verbs_send - send a packet
+ * @qp: the QP to send on
+ * @hdr: the packet header
+ * @hdrwords: the number of 32-bit words in the header
+ * @ss: the SGE to send
+ * @len: the length of the packet in bytes
+ *
+ * Return zero if packet is sent or queued OK.
+ * Return non-zero and clear qp->s_flags QIB_S_BUSY otherwise.
+ */
+int qib_verbs_send(struct qib_qp *qp, struct qib_ib_header *hdr,
+		   u32 hdrwords, struct qib_sge_state *ss, u32 len)
+{
+	struct qib_devdata *dd = dd_from_ibdev(qp->ibqp.device);
+	u32 plen;
+	int ret;
+	u32 dwords = (len + 3) >> 2;
+
+	/*
+	 * Calculate the send buffer trigger address.
+	 * The +1 counts for the pbc control dword following the pbc length.
+	 */
+	plen = hdrwords + dwords + 1;
+
+	/*
+	 * VL15 packets (IB_QPT_SMI) will always use PIO, so we
+	 * can defer SDMA restart until link goes ACTIVE without
+	 * worrying about just how we got there.
+	 */
+	if (qp->ibqp.qp_type == IB_QPT_SMI ||
+	    !(dd->flags & QIB_HAS_SEND_DMA))
+		ret = qib_verbs_send_pio(qp, hdr, hdrwords, ss, len,
+					 plen, dwords);
+	else
+		ret = qib_verbs_send_dma(qp, hdr, hdrwords, ss, len,
+					 plen, dwords);
+
+	return ret;
+}
+
+int qib_snapshot_counters(struct qib_pportdata *ppd, u64 *swords,
+			  u64 *rwords, u64 *spkts, u64 *rpkts,
+			  u64 *xmit_wait)
+{
+	int ret;
+	struct qib_devdata *dd = ppd->dd;
+
+	if (!(dd->flags & QIB_PRESENT)) {
+		/* no hardware, freeze, etc. */
+		ret = -EINVAL;
+		goto bail;
+	}
+	*swords = dd->f_portcntr(ppd, QIBPORTCNTR_WORDSEND);
+	*rwords = dd->f_portcntr(ppd, QIBPORTCNTR_WORDRCV);
+	*spkts = dd->f_portcntr(ppd, QIBPORTCNTR_PKTSEND);
+	*rpkts = dd->f_portcntr(ppd, QIBPORTCNTR_PKTRCV);
+	*xmit_wait = dd->f_portcntr(ppd, QIBPORTCNTR_SENDSTALL);
+
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_get_counters - get various chip counters
+ * @dd: the qlogic_ib device
+ * @cntrs: counters are placed here
+ *
+ * Return the counters needed by recv_pma_get_portcounters().
+ */
+int qib_get_counters(struct qib_pportdata *ppd,
+		     struct qib_verbs_counters *cntrs)
+{
+	int ret;
+
+	if (!(ppd->dd->flags & QIB_PRESENT)) {
+		/* no hardware, freeze, etc. */
+		ret = -EINVAL;
+		goto bail;
+	}
+	cntrs->symbol_error_counter =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_IBSYMBOLERR);
+	cntrs->link_error_recovery_counter =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_IBLINKERRRECOV);
+	/*
+	 * The link downed counter counts when the other side downs the
+	 * connection.  We add in the number of times we downed the link
+	 * due to local link integrity errors to compensate.
+	 */
+	cntrs->link_downed_counter =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_IBLINKDOWN);
+	cntrs->port_rcv_errors =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_RXDROPPKT) +
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_RCVOVFL) +
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_ERR_RLEN) +
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_INVALIDRLEN) +
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_ERRLINK) +
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_ERRICRC) +
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_ERRVCRC) +
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_ERRLPCRC) +
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_BADFORMAT);
+	cntrs->port_rcv_errors +=
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_RXLOCALPHYERR);
+	cntrs->port_rcv_errors +=
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_RXVLERR);
+	cntrs->port_rcv_remphys_errors =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_RCVEBP);
+	cntrs->port_xmit_discards =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_UNSUPVL);
+	cntrs->port_xmit_data = ppd->dd->f_portcntr(ppd,
+			QIBPORTCNTR_WORDSEND);
+	cntrs->port_rcv_data = ppd->dd->f_portcntr(ppd,
+			QIBPORTCNTR_WORDRCV);
+	cntrs->port_xmit_packets = ppd->dd->f_portcntr(ppd,
+			QIBPORTCNTR_PKTSEND);
+	cntrs->port_rcv_packets = ppd->dd->f_portcntr(ppd,
+			QIBPORTCNTR_PKTRCV);
+	cntrs->local_link_integrity_errors =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_LLI);
+	cntrs->excessive_buffer_overrun_errors =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_EXCESSBUFOVFL);
+	cntrs->vl15_dropped =
+		ppd->dd->f_portcntr(ppd, QIBPORTCNTR_VL15PKTDROP);
+
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_ib_piobufavail - callback when a PIO buffer is available
+ * @dd: the device pointer
+ *
+ * This is called from qib_intr() at interrupt level when a PIO buffer is
+ * available after qib_verbs_send() returned an error that no buffers were
+ * available. Disable the interrupt if there are no more QPs waiting.
+ */
+void qib_ib_piobufavail(struct qib_devdata *dd)
+{
+	struct qib_ibdev *dev = &dd->verbs_dev;
+	struct list_head *list;
+	struct qib_qp *qps[5];
+	struct qib_qp *qp;
+	unsigned long flags;
+	unsigned i, n;
+
+	list = &dev->piowait;
+	n = 0;
+
+	/*
+	 * Note: checking that the piowait list is empty and clearing
+	 * the buffer available interrupt needs to be atomic or we
+	 * could end up with QPs on the wait list with the interrupt
+	 * disabled.
+	 */
+	spin_lock_irqsave(&dev->pending_lock, flags);
+	while (!list_empty(list)) {
+		if (n == ARRAY_SIZE(qps))
+			goto full;
+		qp = list_entry(list->next, struct qib_qp, iowait);
+		list_del_init(&qp->iowait);
+		atomic_inc(&qp->refcount);
+		qps[n++] = qp;
+	}
+	dd->f_wantpiobuf_intr(dd, 0);
+full:
+	spin_unlock_irqrestore(&dev->pending_lock, flags);
+
+	for (i = 0; i < n; i++) {
+		qp = qps[i];
+
+		spin_lock_irqsave(&qp->s_lock, flags);
+		if (qp->s_flags & QIB_S_WAIT_PIO) {
+			qp->s_flags &= ~QIB_S_WAIT_PIO;
+			qib_schedule_send(qp);
+		}
+		spin_unlock_irqrestore(&qp->s_lock, flags);
+
+		/* Notify qib_destroy_qp() if it is waiting. */
+		if (atomic_dec_and_test(&qp->refcount))
+			wake_up(&qp->wait);
+	}
+}
+
+static int qib_query_device(struct ib_device *ibdev,
+			    struct ib_device_attr *props)
+{
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	struct qib_ibdev *dev = to_idev(ibdev);
+
+	memset(props, 0, sizeof(*props));
+
+	props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR |
+		IB_DEVICE_BAD_QKEY_CNTR | IB_DEVICE_SHUTDOWN_PORT |
+		IB_DEVICE_SYS_IMAGE_GUID | IB_DEVICE_RC_RNR_NAK_GEN |
+		IB_DEVICE_PORT_ACTIVE_EVENT | IB_DEVICE_SRQ_RESIZE;
+	props->page_size_cap = PAGE_SIZE;
+	props->vendor_id =
+		QIB_SRC_OUI_1 << 16 | QIB_SRC_OUI_2 << 8 | QIB_SRC_OUI_3;
+	props->vendor_part_id = dd->deviceid;
+	props->hw_ver = dd->minrev;
+	props->sys_image_guid = ib_qib_sys_image_guid;
+	props->max_mr_size = ~0ULL;
+	props->max_qp = ib_qib_max_qps;
+	props->max_qp_wr = ib_qib_max_qp_wrs;
+	props->max_sge = ib_qib_max_sges;
+	props->max_cq = ib_qib_max_cqs;
+	props->max_ah = ib_qib_max_ahs;
+	props->max_cqe = ib_qib_max_cqes;
+	props->max_mr = dev->lk_table.max;
+	props->max_fmr = dev->lk_table.max;
+	props->max_map_per_fmr = 32767;
+	props->max_pd = ib_qib_max_pds;
+	props->max_qp_rd_atom = QIB_MAX_RDMA_ATOMIC;
+	props->max_qp_init_rd_atom = 255;
+	/* props->max_res_rd_atom */
+	props->max_srq = ib_qib_max_srqs;
+	props->max_srq_wr = ib_qib_max_srq_wrs;
+	props->max_srq_sge = ib_qib_max_srq_sges;
+	/* props->local_ca_ack_delay */
+	props->atomic_cap = IB_ATOMIC_GLOB;
+	props->max_pkeys = qib_get_npkeys(dd);
+	props->max_mcast_grp = ib_qib_max_mcast_grps;
+	props->max_mcast_qp_attach = ib_qib_max_mcast_qp_attached;
+	props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
+		props->max_mcast_grp;
+
+	return 0;
+}
+
+static int qib_query_port(struct ib_device *ibdev, u8 port,
+			  struct ib_port_attr *props)
+{
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	enum ib_mtu mtu;
+	u16 lid = ppd->lid;
+
+	memset(props, 0, sizeof(*props));
+	props->lid = lid ? lid : be16_to_cpu(IB_LID_PERMISSIVE);
+	props->lmc = ppd->lmc;
+	props->sm_lid = ibp->sm_lid;
+	props->sm_sl = ibp->sm_sl;
+	props->state = dd->f_iblink_state(ppd->lastibcstat);
+	props->phys_state = dd->f_ibphys_portstate(ppd->lastibcstat);
+	props->port_cap_flags = ibp->port_cap_flags;
+	props->gid_tbl_len = QIB_GUIDS_PER_PORT;
+	props->max_msg_sz = 0x80000000;
+	props->pkey_tbl_len = qib_get_npkeys(dd);
+	props->bad_pkey_cntr = ibp->pkey_violations;
+	props->qkey_viol_cntr = ibp->qkey_violations;
+	props->active_width = ppd->link_width_active;
+	/* See rate_show() */
+	props->active_speed = ppd->link_speed_active;
+	props->max_vl_num = qib_num_vls(ppd->vls_supported);
+	props->init_type_reply = 0;
+
+	props->max_mtu = qib_ibmtu ? qib_ibmtu : IB_MTU_4096;
+	switch (ppd->ibmtu) {
+	case 4096:
+		mtu = IB_MTU_4096;
+		break;
+	case 2048:
+		mtu = IB_MTU_2048;
+		break;
+	case 1024:
+		mtu = IB_MTU_1024;
+		break;
+	case 512:
+		mtu = IB_MTU_512;
+		break;
+	case 256:
+		mtu = IB_MTU_256;
+		break;
+	default:
+		mtu = IB_MTU_2048;
+	}
+	props->active_mtu = mtu;
+	props->subnet_timeout = ibp->subnet_timeout;
+
+	return 0;
+}
+
+static int qib_modify_device(struct ib_device *device,
+			     int device_modify_mask,
+			     struct ib_device_modify *device_modify)
+{
+	struct qib_devdata *dd = dd_from_ibdev(device);
+	unsigned i;
+	int ret;
+
+	if (device_modify_mask & ~(IB_DEVICE_MODIFY_SYS_IMAGE_GUID |
+				   IB_DEVICE_MODIFY_NODE_DESC)) {
+		ret = -EOPNOTSUPP;
+		goto bail;
+	}
+
+	if (device_modify_mask & IB_DEVICE_MODIFY_NODE_DESC) {
+		memcpy(device->node_desc, device_modify->node_desc, 64);
+		for (i = 0; i < dd->num_pports; i++) {
+			struct qib_ibport *ibp = &dd->pport[i].ibport_data;
+
+			qib_node_desc_chg(ibp);
+		}
+	}
+
+	if (device_modify_mask & IB_DEVICE_MODIFY_SYS_IMAGE_GUID) {
+		ib_qib_sys_image_guid =
+			cpu_to_be64(device_modify->sys_image_guid);
+		for (i = 0; i < dd->num_pports; i++) {
+			struct qib_ibport *ibp = &dd->pport[i].ibport_data;
+
+			qib_sys_guid_chg(ibp);
+		}
+	}
+
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+static int qib_modify_port(struct ib_device *ibdev, u8 port,
+			   int port_modify_mask, struct ib_port_modify *props)
+{
+	struct qib_ibport *ibp = to_iport(ibdev, port);
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+
+	ibp->port_cap_flags |= props->set_port_cap_mask;
+	ibp->port_cap_flags &= ~props->clr_port_cap_mask;
+	if (props->set_port_cap_mask || props->clr_port_cap_mask)
+		qib_cap_mask_chg(ibp);
+	if (port_modify_mask & IB_PORT_SHUTDOWN)
+		qib_set_linkstate(ppd, QIB_IB_LINKDOWN);
+	if (port_modify_mask & IB_PORT_RESET_QKEY_CNTR)
+		ibp->qkey_violations = 0;
+	return 0;
+}
+
+static int qib_query_gid(struct ib_device *ibdev, u8 port,
+			 int index, union ib_gid *gid)
+{
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	int ret = 0;
+
+	if (!port || port > dd->num_pports)
+		ret = -EINVAL;
+	else {
+		struct qib_ibport *ibp = to_iport(ibdev, port);
+		struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+
+		gid->global.subnet_prefix = ibp->gid_prefix;
+		if (index == 0)
+			gid->global.interface_id = ppd->guid;
+		else if (index < QIB_GUIDS_PER_PORT)
+			gid->global.interface_id = ibp->guids[index - 1];
+		else
+			ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static struct ib_pd *qib_alloc_pd(struct ib_device *ibdev,
+				  struct ib_ucontext *context,
+				  struct ib_udata *udata)
+{
+	struct qib_ibdev *dev = to_idev(ibdev);
+	struct qib_pd *pd;
+	struct ib_pd *ret;
+
+	/*
+	 * This is actually totally arbitrary.  Some correctness tests
+	 * assume there's a maximum number of PDs that can be allocated.
+	 * We don't actually have this limit, but we fail the test if
+	 * we allow allocations of more than we report for this value.
+	 */
+
+	pd = kmalloc(sizeof *pd, GFP_KERNEL);
+	if (!pd) {
+		ret = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	spin_lock(&dev->n_pds_lock);
+	if (dev->n_pds_allocated == ib_qib_max_pds) {
+		spin_unlock(&dev->n_pds_lock);
+		kfree(pd);
+		ret = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	dev->n_pds_allocated++;
+	spin_unlock(&dev->n_pds_lock);
+
+	/* ib_alloc_pd() will initialize pd->ibpd. */
+	pd->user = udata != NULL;
+
+	ret = &pd->ibpd;
+
+bail:
+	return ret;
+}
+
+static int qib_dealloc_pd(struct ib_pd *ibpd)
+{
+	struct qib_pd *pd = to_ipd(ibpd);
+	struct qib_ibdev *dev = to_idev(ibpd->device);
+
+	spin_lock(&dev->n_pds_lock);
+	dev->n_pds_allocated--;
+	spin_unlock(&dev->n_pds_lock);
+
+	kfree(pd);
+
+	return 0;
+}
+
+int qib_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr)
+{
+	/* A multicast address requires a GRH (see ch. 8.4.1). */
+	if (ah_attr->dlid >= QIB_MULTICAST_LID_BASE &&
+	    ah_attr->dlid != QIB_PERMISSIVE_LID &&
+	    !(ah_attr->ah_flags & IB_AH_GRH))
+		goto bail;
+	if ((ah_attr->ah_flags & IB_AH_GRH) &&
+	    ah_attr->grh.sgid_index >= QIB_GUIDS_PER_PORT)
+		goto bail;
+	if (ah_attr->dlid == 0)
+		goto bail;
+	if (ah_attr->port_num < 1 ||
+	    ah_attr->port_num > ibdev->phys_port_cnt)
+		goto bail;
+	if (ah_attr->static_rate != IB_RATE_PORT_CURRENT &&
+	    ib_rate_to_mult(ah_attr->static_rate) < 0)
+		goto bail;
+	if (ah_attr->sl > 15)
+		goto bail;
+	return 0;
+bail:
+	return -EINVAL;
+}
+
+/**
+ * qib_create_ah - create an address handle
+ * @pd: the protection domain
+ * @ah_attr: the attributes of the AH
+ *
+ * This may be called from interrupt context.
+ */
+static struct ib_ah *qib_create_ah(struct ib_pd *pd,
+				   struct ib_ah_attr *ah_attr)
+{
+	struct qib_ah *ah;
+	struct ib_ah *ret;
+	struct qib_ibdev *dev = to_idev(pd->device);
+	unsigned long flags;
+
+	if (qib_check_ah(pd->device, ah_attr)) {
+		ret = ERR_PTR(-EINVAL);
+		goto bail;
+	}
+
+	ah = kmalloc(sizeof *ah, GFP_ATOMIC);
+	if (!ah) {
+		ret = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	spin_lock_irqsave(&dev->n_ahs_lock, flags);
+	if (dev->n_ahs_allocated == ib_qib_max_ahs) {
+		spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
+		kfree(ah);
+		ret = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	dev->n_ahs_allocated++;
+	spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
+
+	/* ib_create_ah() will initialize ah->ibah. */
+	ah->attr = *ah_attr;
+	atomic_set(&ah->refcount, 0);
+
+	ret = &ah->ibah;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_destroy_ah - destroy an address handle
+ * @ibah: the AH to destroy
+ *
+ * This may be called from interrupt context.
+ */
+static int qib_destroy_ah(struct ib_ah *ibah)
+{
+	struct qib_ibdev *dev = to_idev(ibah->device);
+	struct qib_ah *ah = to_iah(ibah);
+	unsigned long flags;
+
+	if (atomic_read(&ah->refcount) != 0)
+		return -EBUSY;
+
+	spin_lock_irqsave(&dev->n_ahs_lock, flags);
+	dev->n_ahs_allocated--;
+	spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
+
+	kfree(ah);
+
+	return 0;
+}
+
+static int qib_modify_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr)
+{
+	struct qib_ah *ah = to_iah(ibah);
+
+	if (qib_check_ah(ibah->device, ah_attr))
+		return -EINVAL;
+
+	ah->attr = *ah_attr;
+
+	return 0;
+}
+
+static int qib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr)
+{
+	struct qib_ah *ah = to_iah(ibah);
+
+	*ah_attr = ah->attr;
+
+	return 0;
+}
+
+/**
+ * qib_get_npkeys - return the size of the PKEY table for context 0
+ * @dd: the qlogic_ib device
+ */
+unsigned qib_get_npkeys(struct qib_devdata *dd)
+{
+	return ARRAY_SIZE(dd->rcd[0]->pkeys);
+}
+
+/*
+ * Return the indexed PKEY from the port PKEY table.
+ * No need to validate rcd[ctxt]; the port is setup if we are here.
+ */
+unsigned qib_get_pkey(struct qib_ibport *ibp, unsigned index)
+{
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	struct qib_devdata *dd = ppd->dd;
+	unsigned ctxt = ppd->hw_pidx;
+	unsigned ret;
+
+	/* dd->rcd null if mini_init or some init failures */
+	if (!dd->rcd || index >= ARRAY_SIZE(dd->rcd[ctxt]->pkeys))
+		ret = 0;
+	else
+		ret = dd->rcd[ctxt]->pkeys[index];
+
+	return ret;
+}
+
+static int qib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
+			  u16 *pkey)
+{
+	struct qib_devdata *dd = dd_from_ibdev(ibdev);
+	int ret;
+
+	if (index >= qib_get_npkeys(dd)) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	*pkey = qib_get_pkey(to_iport(ibdev, port), index);
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+/**
+ * qib_alloc_ucontext - allocate a ucontest
+ * @ibdev: the infiniband device
+ * @udata: not used by the QLogic_IB driver
+ */
+
+static struct ib_ucontext *qib_alloc_ucontext(struct ib_device *ibdev,
+					      struct ib_udata *udata)
+{
+	struct qib_ucontext *context;
+	struct ib_ucontext *ret;
+
+	context = kmalloc(sizeof *context, GFP_KERNEL);
+	if (!context) {
+		ret = ERR_PTR(-ENOMEM);
+		goto bail;
+	}
+
+	ret = &context->ibucontext;
+
+bail:
+	return ret;
+}
+
+static int qib_dealloc_ucontext(struct ib_ucontext *context)
+{
+	kfree(to_iucontext(context));
+	return 0;
+}
+
+static void init_ibport(struct qib_pportdata *ppd)
+{
+	struct qib_verbs_counters cntrs;
+	struct qib_ibport *ibp = &ppd->ibport_data;
+
+	spin_lock_init(&ibp->lock);
+	/* Set the prefix to the default value (see ch. 4.1.1) */
+	ibp->gid_prefix = IB_DEFAULT_GID_PREFIX;
+	ibp->sm_lid = be16_to_cpu(IB_LID_PERMISSIVE);
+	ibp->port_cap_flags = IB_PORT_SYS_IMAGE_GUID_SUP |
+		IB_PORT_CLIENT_REG_SUP | IB_PORT_SL_MAP_SUP |
+		IB_PORT_TRAP_SUP | IB_PORT_AUTO_MIGR_SUP |
+		IB_PORT_DR_NOTICE_SUP | IB_PORT_CAP_MASK_NOTICE_SUP |
+		IB_PORT_OTHER_LOCAL_CHANGES_SUP;
+	if (ppd->dd->flags & QIB_HAS_LINK_LATENCY)
+		ibp->port_cap_flags |= IB_PORT_LINK_LATENCY_SUP;
+	ibp->pma_counter_select[0] = IB_PMA_PORT_XMIT_DATA;
+	ibp->pma_counter_select[1] = IB_PMA_PORT_RCV_DATA;
+	ibp->pma_counter_select[2] = IB_PMA_PORT_XMIT_PKTS;
+	ibp->pma_counter_select[3] = IB_PMA_PORT_RCV_PKTS;
+	ibp->pma_counter_select[4] = IB_PMA_PORT_XMIT_WAIT;
+
+	/* Snapshot current HW counters to "clear" them. */
+	qib_get_counters(ppd, &cntrs);
+	ibp->z_symbol_error_counter = cntrs.symbol_error_counter;
+	ibp->z_link_error_recovery_counter =
+		cntrs.link_error_recovery_counter;
+	ibp->z_link_downed_counter = cntrs.link_downed_counter;
+	ibp->z_port_rcv_errors = cntrs.port_rcv_errors;
+	ibp->z_port_rcv_remphys_errors = cntrs.port_rcv_remphys_errors;
+	ibp->z_port_xmit_discards = cntrs.port_xmit_discards;
+	ibp->z_port_xmit_data = cntrs.port_xmit_data;
+	ibp->z_port_rcv_data = cntrs.port_rcv_data;
+	ibp->z_port_xmit_packets = cntrs.port_xmit_packets;
+	ibp->z_port_rcv_packets = cntrs.port_rcv_packets;
+	ibp->z_local_link_integrity_errors =
+		cntrs.local_link_integrity_errors;
+	ibp->z_excessive_buffer_overrun_errors =
+		cntrs.excessive_buffer_overrun_errors;
+	ibp->z_vl15_dropped = cntrs.vl15_dropped;
+}
+
+/**
+ * qib_register_ib_device - register our device with the infiniband core
+ * @dd: the device data structure
+ * Return the allocated qib_ibdev pointer or NULL on error.
+ */
+int qib_register_ib_device(struct qib_devdata *dd)
+{
+	struct qib_ibdev *dev = &dd->verbs_dev;
+	struct ib_device *ibdev = &dev->ibdev;
+	struct qib_pportdata *ppd = dd->pport;
+	unsigned i, lk_tab_size;
+	int ret;
+
+	dev->qp_table_size = ib_qib_qp_table_size;
+	dev->qp_table = kzalloc(dev->qp_table_size * sizeof *dev->qp_table,
+				GFP_KERNEL);
+	if (!dev->qp_table) {
+		ret = -ENOMEM;
+		goto err_qpt;
+	}
+
+	for (i = 0; i < dd->num_pports; i++)
+		init_ibport(ppd + i);
+
+	/* Only need to initialize non-zero fields. */
+	spin_lock_init(&dev->qpt_lock);
+	spin_lock_init(&dev->n_pds_lock);
+	spin_lock_init(&dev->n_ahs_lock);
+	spin_lock_init(&dev->n_cqs_lock);
+	spin_lock_init(&dev->n_qps_lock);
+	spin_lock_init(&dev->n_srqs_lock);
+	spin_lock_init(&dev->n_mcast_grps_lock);
+	init_timer(&dev->mem_timer);
+	dev->mem_timer.function = mem_timer;
+	dev->mem_timer.data = (unsigned long) dev;
+
+	qib_init_qpn_table(dd, &dev->qpn_table);
+
+	/*
+	 * The top ib_qib_lkey_table_size bits are used to index the
+	 * table.  The lower 8 bits can be owned by the user (copied from
+	 * the LKEY).  The remaining bits act as a generation number or tag.
+	 */
+	spin_lock_init(&dev->lk_table.lock);
+	dev->lk_table.max = 1 << ib_qib_lkey_table_size;
+	lk_tab_size = dev->lk_table.max * sizeof(*dev->lk_table.table);
+	dev->lk_table.table = (struct qib_mregion **)
+		__get_free_pages(GFP_KERNEL, get_order(lk_tab_size));
+	if (dev->lk_table.table == NULL) {
+		ret = -ENOMEM;
+		goto err_lk;
+	}
+	memset(dev->lk_table.table, 0, lk_tab_size);
+	INIT_LIST_HEAD(&dev->pending_mmaps);
+	spin_lock_init(&dev->pending_lock);
+	dev->mmap_offset = PAGE_SIZE;
+	spin_lock_init(&dev->mmap_offset_lock);
+	INIT_LIST_HEAD(&dev->piowait);
+	INIT_LIST_HEAD(&dev->dmawait);
+	INIT_LIST_HEAD(&dev->txwait);
+	INIT_LIST_HEAD(&dev->memwait);
+	INIT_LIST_HEAD(&dev->txreq_free);
+
+	if (ppd->sdma_descq_cnt) {
+		dev->pio_hdrs = dma_alloc_coherent(&dd->pcidev->dev,
+						ppd->sdma_descq_cnt *
+						sizeof(struct qib_pio_header),
+						&dev->pio_hdrs_phys,
+						GFP_KERNEL);
+		if (!dev->pio_hdrs) {
+			ret = -ENOMEM;
+			goto err_hdrs;
+		}
+	}
+
+	for (i = 0; i < ppd->sdma_descq_cnt; i++) {
+		struct qib_verbs_txreq *tx;
+
+		tx = kzalloc(sizeof *tx, GFP_KERNEL);
+		if (!tx) {
+			ret = -ENOMEM;
+			goto err_tx;
+		}
+		tx->hdr_inx = i;
+		list_add(&tx->txreq.list, &dev->txreq_free);
+	}
+
+	/*
+	 * The system image GUID is supposed to be the same for all
+	 * IB HCAs in a single system but since there can be other
+	 * device types in the system, we can't be sure this is unique.
+	 */
+	if (!ib_qib_sys_image_guid)
+		ib_qib_sys_image_guid = ppd->guid;
+
+	strlcpy(ibdev->name, "qib%d", IB_DEVICE_NAME_MAX);
+	ibdev->owner = THIS_MODULE;
+	ibdev->node_guid = ppd->guid;
+	ibdev->uverbs_abi_ver = QIB_UVERBS_ABI_VERSION;
+	ibdev->uverbs_cmd_mask =
+		(1ull << IB_USER_VERBS_CMD_GET_CONTEXT)         |
+		(1ull << IB_USER_VERBS_CMD_QUERY_DEVICE)        |
+		(1ull << IB_USER_VERBS_CMD_QUERY_PORT)          |
+		(1ull << IB_USER_VERBS_CMD_ALLOC_PD)            |
+		(1ull << IB_USER_VERBS_CMD_DEALLOC_PD)          |
+		(1ull << IB_USER_VERBS_CMD_CREATE_AH)           |
+		(1ull << IB_USER_VERBS_CMD_MODIFY_AH)           |
+		(1ull << IB_USER_VERBS_CMD_QUERY_AH)            |
+		(1ull << IB_USER_VERBS_CMD_DESTROY_AH)          |
+		(1ull << IB_USER_VERBS_CMD_REG_MR)              |
+		(1ull << IB_USER_VERBS_CMD_DEREG_MR)            |
+		(1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
+		(1ull << IB_USER_VERBS_CMD_CREATE_CQ)           |
+		(1ull << IB_USER_VERBS_CMD_RESIZE_CQ)           |
+		(1ull << IB_USER_VERBS_CMD_DESTROY_CQ)          |
+		(1ull << IB_USER_VERBS_CMD_POLL_CQ)             |
+		(1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ)       |
+		(1ull << IB_USER_VERBS_CMD_CREATE_QP)           |
+		(1ull << IB_USER_VERBS_CMD_QUERY_QP)            |
+		(1ull << IB_USER_VERBS_CMD_MODIFY_QP)           |
+		(1ull << IB_USER_VERBS_CMD_DESTROY_QP)          |
+		(1ull << IB_USER_VERBS_CMD_POST_SEND)           |
+		(1ull << IB_USER_VERBS_CMD_POST_RECV)           |
+		(1ull << IB_USER_VERBS_CMD_ATTACH_MCAST)        |
+		(1ull << IB_USER_VERBS_CMD_DETACH_MCAST)        |
+		(1ull << IB_USER_VERBS_CMD_CREATE_SRQ)          |
+		(1ull << IB_USER_VERBS_CMD_MODIFY_SRQ)          |
+		(1ull << IB_USER_VERBS_CMD_QUERY_SRQ)           |
+		(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ)         |
+		(1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
+	ibdev->node_type = RDMA_NODE_IB_CA;
+	ibdev->phys_port_cnt = dd->num_pports;
+	ibdev->num_comp_vectors = 1;
+	ibdev->dma_device = &dd->pcidev->dev;
+	ibdev->query_device = qib_query_device;
+	ibdev->modify_device = qib_modify_device;
+	ibdev->query_port = qib_query_port;
+	ibdev->modify_port = qib_modify_port;
+	ibdev->query_pkey = qib_query_pkey;
+	ibdev->query_gid = qib_query_gid;
+	ibdev->alloc_ucontext = qib_alloc_ucontext;
+	ibdev->dealloc_ucontext = qib_dealloc_ucontext;
+	ibdev->alloc_pd = qib_alloc_pd;
+	ibdev->dealloc_pd = qib_dealloc_pd;
+	ibdev->create_ah = qib_create_ah;
+	ibdev->destroy_ah = qib_destroy_ah;
+	ibdev->modify_ah = qib_modify_ah;
+	ibdev->query_ah = qib_query_ah;
+	ibdev->create_srq = qib_create_srq;
+	ibdev->modify_srq = qib_modify_srq;
+	ibdev->query_srq = qib_query_srq;
+	ibdev->destroy_srq = qib_destroy_srq;
+	ibdev->create_qp = qib_create_qp;
+	ibdev->modify_qp = qib_modify_qp;
+	ibdev->query_qp = qib_query_qp;
+	ibdev->destroy_qp = qib_destroy_qp;
+	ibdev->post_send = qib_post_send;
+	ibdev->post_recv = qib_post_receive;
+	ibdev->post_srq_recv = qib_post_srq_receive;
+	ibdev->create_cq = qib_create_cq;
+	ibdev->destroy_cq = qib_destroy_cq;
+	ibdev->resize_cq = qib_resize_cq;
+	ibdev->poll_cq = qib_poll_cq;
+	ibdev->req_notify_cq = qib_req_notify_cq;
+	ibdev->get_dma_mr = qib_get_dma_mr;
+	ibdev->reg_phys_mr = qib_reg_phys_mr;
+	ibdev->reg_user_mr = qib_reg_user_mr;
+	ibdev->dereg_mr = qib_dereg_mr;
+	ibdev->alloc_fast_reg_mr = qib_alloc_fast_reg_mr;
+	ibdev->alloc_fast_reg_page_list = qib_alloc_fast_reg_page_list;
+	ibdev->free_fast_reg_page_list = qib_free_fast_reg_page_list;
+	ibdev->alloc_fmr = qib_alloc_fmr;
+	ibdev->map_phys_fmr = qib_map_phys_fmr;
+	ibdev->unmap_fmr = qib_unmap_fmr;
+	ibdev->dealloc_fmr = qib_dealloc_fmr;
+	ibdev->attach_mcast = qib_multicast_attach;
+	ibdev->detach_mcast = qib_multicast_detach;
+	ibdev->process_mad = qib_process_mad;
+	ibdev->mmap = qib_mmap;
+	ibdev->dma_ops = &qib_dma_mapping_ops;
+
+	snprintf(ibdev->node_desc, sizeof(ibdev->node_desc),
+		 QIB_IDSTR " %s", init_utsname()->nodename);
+
+	ret = ib_register_device(ibdev, qib_create_port_files);
+	if (ret)
+		goto err_reg;
+
+	ret = qib_create_agents(dev);
+	if (ret)
+		goto err_agents;
+
+	if (qib_verbs_register_sysfs(dd))
+		goto err_class;
+
+	goto bail;
+
+err_class:
+	qib_free_agents(dev);
+err_agents:
+	ib_unregister_device(ibdev);
+err_reg:
+err_tx:
+	while (!list_empty(&dev->txreq_free)) {
+		struct list_head *l = dev->txreq_free.next;
+		struct qib_verbs_txreq *tx;
+
+		list_del(l);
+		tx = list_entry(l, struct qib_verbs_txreq, txreq.list);
+		kfree(tx);
+	}
+	if (ppd->sdma_descq_cnt)
+		dma_free_coherent(&dd->pcidev->dev,
+				  ppd->sdma_descq_cnt *
+					sizeof(struct qib_pio_header),
+				  dev->pio_hdrs, dev->pio_hdrs_phys);
+err_hdrs:
+	free_pages((unsigned long) dev->lk_table.table, get_order(lk_tab_size));
+err_lk:
+	kfree(dev->qp_table);
+err_qpt:
+	qib_dev_err(dd, "cannot register verbs: %d!\n", -ret);
+bail:
+	return ret;
+}
+
+void qib_unregister_ib_device(struct qib_devdata *dd)
+{
+	struct qib_ibdev *dev = &dd->verbs_dev;
+	struct ib_device *ibdev = &dev->ibdev;
+	u32 qps_inuse;
+	unsigned lk_tab_size;
+
+	qib_verbs_unregister_sysfs(dd);
+
+	qib_free_agents(dev);
+
+	ib_unregister_device(ibdev);
+
+	if (!list_empty(&dev->piowait))
+		qib_dev_err(dd, "piowait list not empty!\n");
+	if (!list_empty(&dev->dmawait))
+		qib_dev_err(dd, "dmawait list not empty!\n");
+	if (!list_empty(&dev->txwait))
+		qib_dev_err(dd, "txwait list not empty!\n");
+	if (!list_empty(&dev->memwait))
+		qib_dev_err(dd, "memwait list not empty!\n");
+	if (dev->dma_mr)
+		qib_dev_err(dd, "DMA MR not NULL!\n");
+
+	qps_inuse = qib_free_all_qps(dd);
+	if (qps_inuse)
+		qib_dev_err(dd, "QP memory leak! %u still in use\n",
+			    qps_inuse);
+
+	del_timer_sync(&dev->mem_timer);
+	qib_free_qpn_table(&dev->qpn_table);
+	while (!list_empty(&dev->txreq_free)) {
+		struct list_head *l = dev->txreq_free.next;
+		struct qib_verbs_txreq *tx;
+
+		list_del(l);
+		tx = list_entry(l, struct qib_verbs_txreq, txreq.list);
+		kfree(tx);
+	}
+	if (dd->pport->sdma_descq_cnt)
+		dma_free_coherent(&dd->pcidev->dev,
+				  dd->pport->sdma_descq_cnt *
+					sizeof(struct qib_pio_header),
+				  dev->pio_hdrs, dev->pio_hdrs_phys);
+	lk_tab_size = dev->lk_table.max * sizeof(*dev->lk_table.table);
+	free_pages((unsigned long) dev->lk_table.table,
+		   get_order(lk_tab_size));
+	kfree(dev->qp_table);
+}
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h
new file mode 100644
index 00000000000..bd57c127322
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_verbs.h
@@ -0,0 +1,1100 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef QIB_VERBS_H
+#define QIB_VERBS_H
+
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/kref.h>
+#include <linux/workqueue.h>
+#include <rdma/ib_pack.h>
+#include <rdma/ib_user_verbs.h>
+
+struct qib_ctxtdata;
+struct qib_pportdata;
+struct qib_devdata;
+struct qib_verbs_txreq;
+
+#define QIB_MAX_RDMA_ATOMIC     16
+#define QIB_GUIDS_PER_PORT	5
+
+#define QPN_MAX                 (1 << 24)
+#define QPNMAP_ENTRIES          (QPN_MAX / PAGE_SIZE / BITS_PER_BYTE)
+
+/*
+ * Increment this value if any changes that break userspace ABI
+ * compatibility are made.
+ */
+#define QIB_UVERBS_ABI_VERSION       2
+
+/*
+ * Define an ib_cq_notify value that is not valid so we know when CQ
+ * notifications are armed.
+ */
+#define IB_CQ_NONE      (IB_CQ_NEXT_COMP + 1)
+
+#define IB_SEQ_NAK	(3 << 29)
+
+/* AETH NAK opcode values */
+#define IB_RNR_NAK                      0x20
+#define IB_NAK_PSN_ERROR                0x60
+#define IB_NAK_INVALID_REQUEST          0x61
+#define IB_NAK_REMOTE_ACCESS_ERROR      0x62
+#define IB_NAK_REMOTE_OPERATIONAL_ERROR 0x63
+#define IB_NAK_INVALID_RD_REQUEST       0x64
+
+/* Flags for checking QP state (see ib_qib_state_ops[]) */
+#define QIB_POST_SEND_OK                0x01
+#define QIB_POST_RECV_OK                0x02
+#define QIB_PROCESS_RECV_OK             0x04
+#define QIB_PROCESS_SEND_OK             0x08
+#define QIB_PROCESS_NEXT_SEND_OK        0x10
+#define QIB_FLUSH_SEND			0x20
+#define QIB_FLUSH_RECV			0x40
+#define QIB_PROCESS_OR_FLUSH_SEND \
+	(QIB_PROCESS_SEND_OK | QIB_FLUSH_SEND)
+
+/* IB Performance Manager status values */
+#define IB_PMA_SAMPLE_STATUS_DONE       0x00
+#define IB_PMA_SAMPLE_STATUS_STARTED    0x01
+#define IB_PMA_SAMPLE_STATUS_RUNNING    0x02
+
+/* Mandatory IB performance counter select values. */
+#define IB_PMA_PORT_XMIT_DATA   cpu_to_be16(0x0001)
+#define IB_PMA_PORT_RCV_DATA    cpu_to_be16(0x0002)
+#define IB_PMA_PORT_XMIT_PKTS   cpu_to_be16(0x0003)
+#define IB_PMA_PORT_RCV_PKTS    cpu_to_be16(0x0004)
+#define IB_PMA_PORT_XMIT_WAIT   cpu_to_be16(0x0005)
+
+#define QIB_VENDOR_IPG		cpu_to_be16(0xFFA0)
+
+#define IB_BTH_REQ_ACK		(1 << 31)
+#define IB_BTH_SOLICITED	(1 << 23)
+#define IB_BTH_MIG_REQ		(1 << 22)
+
+/* XXX Should be defined in ib_verbs.h enum ib_port_cap_flags */
+#define IB_PORT_OTHER_LOCAL_CHANGES_SUP (1 << 26)
+
+#define IB_GRH_VERSION		6
+#define IB_GRH_VERSION_MASK	0xF
+#define IB_GRH_VERSION_SHIFT	28
+#define IB_GRH_TCLASS_MASK	0xFF
+#define IB_GRH_TCLASS_SHIFT	20
+#define IB_GRH_FLOW_MASK	0xFFFFF
+#define IB_GRH_FLOW_SHIFT	0
+#define IB_GRH_NEXT_HDR		0x1B
+
+#define IB_DEFAULT_GID_PREFIX	cpu_to_be64(0xfe80000000000000ULL)
+
+/* Values for set/get portinfo VLCap OperationalVLs */
+#define IB_VL_VL0       1
+#define IB_VL_VL0_1     2
+#define IB_VL_VL0_3     3
+#define IB_VL_VL0_7     4
+#define IB_VL_VL0_14    5
+
+static inline int qib_num_vls(int vls)
+{
+	switch (vls) {
+	default:
+	case IB_VL_VL0:
+		return 1;
+	case IB_VL_VL0_1:
+		return 2;
+	case IB_VL_VL0_3:
+		return 4;
+	case IB_VL_VL0_7:
+		return 8;
+	case IB_VL_VL0_14:
+		return 15;
+	}
+}
+
+struct ib_reth {
+	__be64 vaddr;
+	__be32 rkey;
+	__be32 length;
+} __attribute__ ((packed));
+
+struct ib_atomic_eth {
+	__be32 vaddr[2];        /* unaligned so access as 2 32-bit words */
+	__be32 rkey;
+	__be64 swap_data;
+	__be64 compare_data;
+} __attribute__ ((packed));
+
+struct qib_other_headers {
+	__be32 bth[3];
+	union {
+		struct {
+			__be32 deth[2];
+			__be32 imm_data;
+		} ud;
+		struct {
+			struct ib_reth reth;
+			__be32 imm_data;
+		} rc;
+		struct {
+			__be32 aeth;
+			__be32 atomic_ack_eth[2];
+		} at;
+		__be32 imm_data;
+		__be32 aeth;
+		struct ib_atomic_eth atomic_eth;
+	} u;
+} __attribute__ ((packed));
+
+/*
+ * Note that UD packets with a GRH header are 8+40+12+8 = 68 bytes
+ * long (72 w/ imm_data).  Only the first 56 bytes of the IB header
+ * will be in the eager header buffer.  The remaining 12 or 16 bytes
+ * are in the data buffer.
+ */
+struct qib_ib_header {
+	__be16 lrh[4];
+	union {
+		struct {
+			struct ib_grh grh;
+			struct qib_other_headers oth;
+		} l;
+		struct qib_other_headers oth;
+	} u;
+} __attribute__ ((packed));
+
+struct qib_pio_header {
+	__le32 pbc[2];
+	struct qib_ib_header hdr;
+} __attribute__ ((packed));
+
+/*
+ * There is one struct qib_mcast for each multicast GID.
+ * All attached QPs are then stored as a list of
+ * struct qib_mcast_qp.
+ */
+struct qib_mcast_qp {
+	struct list_head list;
+	struct qib_qp *qp;
+};
+
+struct qib_mcast {
+	struct rb_node rb_node;
+	union ib_gid mgid;
+	struct list_head qp_list;
+	wait_queue_head_t wait;
+	atomic_t refcount;
+	int n_attached;
+};
+
+/* Protection domain */
+struct qib_pd {
+	struct ib_pd ibpd;
+	int user;               /* non-zero if created from user space */
+};
+
+/* Address Handle */
+struct qib_ah {
+	struct ib_ah ibah;
+	struct ib_ah_attr attr;
+	atomic_t refcount;
+};
+
+/*
+ * This structure is used by qib_mmap() to validate an offset
+ * when an mmap() request is made.  The vm_area_struct then uses
+ * this as its vm_private_data.
+ */
+struct qib_mmap_info {
+	struct list_head pending_mmaps;
+	struct ib_ucontext *context;
+	void *obj;
+	__u64 offset;
+	struct kref ref;
+	unsigned size;
+};
+
+/*
+ * This structure is used to contain the head pointer, tail pointer,
+ * and completion queue entries as a single memory allocation so
+ * it can be mmap'ed into user space.
+ */
+struct qib_cq_wc {
+	u32 head;               /* index of next entry to fill */
+	u32 tail;               /* index of next ib_poll_cq() entry */
+	union {
+		/* these are actually size ibcq.cqe + 1 */
+		struct ib_uverbs_wc uqueue[0];
+		struct ib_wc kqueue[0];
+	};
+};
+
+/*
+ * The completion queue structure.
+ */
+struct qib_cq {
+	struct ib_cq ibcq;
+	struct work_struct comptask;
+	spinlock_t lock; /* protect changes in this struct */
+	u8 notify;
+	u8 triggered;
+	struct qib_cq_wc *queue;
+	struct qib_mmap_info *ip;
+};
+
+/*
+ * A segment is a linear region of low physical memory.
+ * XXX Maybe we should use phys addr here and kmap()/kunmap().
+ * Used by the verbs layer.
+ */
+struct qib_seg {
+	void *vaddr;
+	size_t length;
+};
+
+/* The number of qib_segs that fit in a page. */
+#define QIB_SEGSZ     (PAGE_SIZE / sizeof(struct qib_seg))
+
+struct qib_segarray {
+	struct qib_seg segs[QIB_SEGSZ];
+};
+
+struct qib_mregion {
+	struct ib_pd *pd;       /* shares refcnt of ibmr.pd */
+	u64 user_base;          /* User's address for this region */
+	u64 iova;               /* IB start address of this region */
+	size_t length;
+	u32 lkey;
+	u32 offset;             /* offset (bytes) to start of region */
+	int access_flags;
+	u32 max_segs;           /* number of qib_segs in all the arrays */
+	u32 mapsz;              /* size of the map array */
+	atomic_t refcount;
+	struct qib_segarray *map[0];    /* the segments */
+};
+
+/*
+ * These keep track of the copy progress within a memory region.
+ * Used by the verbs layer.
+ */
+struct qib_sge {
+	struct qib_mregion *mr;
+	void *vaddr;            /* kernel virtual address of segment */
+	u32 sge_length;         /* length of the SGE */
+	u32 length;             /* remaining length of the segment */
+	u16 m;                  /* current index: mr->map[m] */
+	u16 n;                  /* current index: mr->map[m]->segs[n] */
+};
+
+/* Memory region */
+struct qib_mr {
+	struct ib_mr ibmr;
+	struct ib_umem *umem;
+	struct qib_mregion mr;  /* must be last */
+};
+
+/*
+ * Send work request queue entry.
+ * The size of the sg_list is determined when the QP is created and stored
+ * in qp->s_max_sge.
+ */
+struct qib_swqe {
+	struct ib_send_wr wr;   /* don't use wr.sg_list */
+	u32 psn;                /* first packet sequence number */
+	u32 lpsn;               /* last packet sequence number */
+	u32 ssn;                /* send sequence number */
+	u32 length;             /* total length of data in sg_list */
+	struct qib_sge sg_list[0];
+};
+
+/*
+ * Receive work request queue entry.
+ * The size of the sg_list is determined when the QP (or SRQ) is created
+ * and stored in qp->r_rq.max_sge (or srq->rq.max_sge).
+ */
+struct qib_rwqe {
+	u64 wr_id;
+	u8 num_sge;
+	struct ib_sge sg_list[0];
+};
+
+/*
+ * This structure is used to contain the head pointer, tail pointer,
+ * and receive work queue entries as a single memory allocation so
+ * it can be mmap'ed into user space.
+ * Note that the wq array elements are variable size so you can't
+ * just index into the array to get the N'th element;
+ * use get_rwqe_ptr() instead.
+ */
+struct qib_rwq {
+	u32 head;               /* new work requests posted to the head */
+	u32 tail;               /* receives pull requests from here. */
+	struct qib_rwqe wq[0];
+};
+
+struct qib_rq {
+	struct qib_rwq *wq;
+	spinlock_t lock; /* protect changes in this struct */
+	u32 size;               /* size of RWQE array */
+	u8 max_sge;
+};
+
+struct qib_srq {
+	struct ib_srq ibsrq;
+	struct qib_rq rq;
+	struct qib_mmap_info *ip;
+	/* send signal when number of RWQEs < limit */
+	u32 limit;
+};
+
+struct qib_sge_state {
+	struct qib_sge *sg_list;      /* next SGE to be used if any */
+	struct qib_sge sge;   /* progress state for the current SGE */
+	u32 total_len;
+	u8 num_sge;
+};
+
+/*
+ * This structure holds the information that the send tasklet needs
+ * to send a RDMA read response or atomic operation.
+ */
+struct qib_ack_entry {
+	u8 opcode;
+	u8 sent;
+	u32 psn;
+	u32 lpsn;
+	union {
+		struct qib_sge rdma_sge;
+		u64 atomic_data;
+	};
+};
+
+/*
+ * Variables prefixed with s_ are for the requester (sender).
+ * Variables prefixed with r_ are for the responder (receiver).
+ * Variables prefixed with ack_ are for responder replies.
+ *
+ * Common variables are protected by both r_rq.lock and s_lock in that order
+ * which only happens in modify_qp() or changing the QP 'state'.
+ */
+struct qib_qp {
+	struct ib_qp ibqp;
+	struct qib_qp *next;            /* link list for QPN hash table */
+	struct qib_qp *timer_next;      /* link list for qib_ib_timer() */
+	struct list_head iowait;        /* link for wait PIO buf */
+	struct list_head rspwait;       /* link for waititing to respond */
+	struct ib_ah_attr remote_ah_attr;
+	struct ib_ah_attr alt_ah_attr;
+	struct qib_ib_header s_hdr;     /* next packet header to send */
+	atomic_t refcount;
+	wait_queue_head_t wait;
+	wait_queue_head_t wait_dma;
+	struct timer_list s_timer;
+	struct work_struct s_work;
+	struct qib_mmap_info *ip;
+	struct qib_sge_state *s_cur_sge;
+	struct qib_verbs_txreq *s_tx;
+	struct qib_mregion *s_rdma_mr;
+	struct qib_sge_state s_sge;     /* current send request data */
+	struct qib_ack_entry s_ack_queue[QIB_MAX_RDMA_ATOMIC + 1];
+	struct qib_sge_state s_ack_rdma_sge;
+	struct qib_sge_state s_rdma_read_sge;
+	struct qib_sge_state r_sge;     /* current receive data */
+	spinlock_t r_lock;      /* used for APM */
+	spinlock_t s_lock;
+	atomic_t s_dma_busy;
+	unsigned processor_id;	/* Processor ID QP is bound to */
+	u32 s_flags;
+	u32 s_cur_size;         /* size of send packet in bytes */
+	u32 s_len;              /* total length of s_sge */
+	u32 s_rdma_read_len;    /* total length of s_rdma_read_sge */
+	u32 s_next_psn;         /* PSN for next request */
+	u32 s_last_psn;         /* last response PSN processed */
+	u32 s_sending_psn;      /* lowest PSN that is being sent */
+	u32 s_sending_hpsn;     /* highest PSN that is being sent */
+	u32 s_psn;              /* current packet sequence number */
+	u32 s_ack_rdma_psn;     /* PSN for sending RDMA read responses */
+	u32 s_ack_psn;          /* PSN for acking sends and RDMA writes */
+	u32 s_rnr_timeout;      /* number of milliseconds for RNR timeout */
+	u32 r_ack_psn;          /* PSN for next ACK or atomic ACK */
+	u64 r_wr_id;            /* ID for current receive WQE */
+	unsigned long r_aflags;
+	u32 r_len;              /* total length of r_sge */
+	u32 r_rcv_len;          /* receive data len processed */
+	u32 r_psn;              /* expected rcv packet sequence number */
+	u32 r_msn;              /* message sequence number */
+	u16 s_hdrwords;         /* size of s_hdr in 32 bit words */
+	u16 s_rdma_ack_cnt;
+	u8 state;               /* QP state */
+	u8 s_state;             /* opcode of last packet sent */
+	u8 s_ack_state;         /* opcode of packet to ACK */
+	u8 s_nak_state;         /* non-zero if NAK is pending */
+	u8 r_state;             /* opcode of last packet received */
+	u8 r_nak_state;         /* non-zero if NAK is pending */
+	u8 r_min_rnr_timer;     /* retry timeout value for RNR NAKs */
+	u8 r_flags;
+	u8 r_max_rd_atomic;     /* max number of RDMA read/atomic to receive */
+	u8 r_head_ack_queue;    /* index into s_ack_queue[] */
+	u8 qp_access_flags;
+	u8 s_max_sge;           /* size of s_wq->sg_list */
+	u8 s_retry_cnt;         /* number of times to retry */
+	u8 s_rnr_retry_cnt;
+	u8 s_retry;             /* requester retry counter */
+	u8 s_rnr_retry;         /* requester RNR retry counter */
+	u8 s_pkey_index;        /* PKEY index to use */
+	u8 s_alt_pkey_index;    /* Alternate path PKEY index to use */
+	u8 s_max_rd_atomic;     /* max number of RDMA read/atomic to send */
+	u8 s_num_rd_atomic;     /* number of RDMA read/atomic pending */
+	u8 s_tail_ack_queue;    /* index into s_ack_queue[] */
+	u8 s_srate;
+	u8 s_draining;
+	u8 s_mig_state;
+	u8 timeout;             /* Timeout for this QP */
+	u8 alt_timeout;         /* Alternate path timeout for this QP */
+	u8 port_num;
+	enum ib_mtu path_mtu;
+	u32 remote_qpn;
+	u32 qkey;               /* QKEY for this QP (for UD or RD) */
+	u32 s_size;             /* send work queue size */
+	u32 s_head;             /* new entries added here */
+	u32 s_tail;             /* next entry to process */
+	u32 s_cur;              /* current work queue entry */
+	u32 s_acked;            /* last un-ACK'ed entry */
+	u32 s_last;             /* last completed entry */
+	u32 s_ssn;              /* SSN of tail entry */
+	u32 s_lsn;              /* limit sequence number (credit) */
+	struct qib_swqe *s_wq;  /* send work queue */
+	struct qib_swqe *s_wqe;
+	struct qib_rq r_rq;             /* receive work queue */
+	struct qib_sge r_sg_list[0];    /* verified SGEs */
+};
+
+/*
+ * Atomic bit definitions for r_aflags.
+ */
+#define QIB_R_WRID_VALID        0
+#define QIB_R_REWIND_SGE        1
+
+/*
+ * Bit definitions for r_flags.
+ */
+#define QIB_R_REUSE_SGE 0x01
+#define QIB_R_RDMAR_SEQ 0x02
+#define QIB_R_RSP_NAK   0x04
+#define QIB_R_RSP_SEND  0x08
+#define QIB_R_COMM_EST  0x10
+
+/*
+ * Bit definitions for s_flags.
+ *
+ * QIB_S_SIGNAL_REQ_WR - set if QP send WRs contain completion signaled
+ * QIB_S_BUSY - send tasklet is processing the QP
+ * QIB_S_TIMER - the RC retry timer is active
+ * QIB_S_ACK_PENDING - an ACK is waiting to be sent after RDMA read/atomics
+ * QIB_S_WAIT_FENCE - waiting for all prior RDMA read or atomic SWQEs
+ *                         before processing the next SWQE
+ * QIB_S_WAIT_RDMAR - waiting for a RDMA read or atomic SWQE to complete
+ *                         before processing the next SWQE
+ * QIB_S_WAIT_RNR - waiting for RNR timeout
+ * QIB_S_WAIT_SSN_CREDIT - waiting for RC credits to process next SWQE
+ * QIB_S_WAIT_DMA - waiting for send DMA queue to drain before generating
+ *                  next send completion entry not via send DMA
+ * QIB_S_WAIT_PIO - waiting for a send buffer to be available
+ * QIB_S_WAIT_TX - waiting for a struct qib_verbs_txreq to be available
+ * QIB_S_WAIT_DMA_DESC - waiting for DMA descriptors to be available
+ * QIB_S_WAIT_KMEM - waiting for kernel memory to be available
+ * QIB_S_WAIT_PSN - waiting for a packet to exit the send DMA queue
+ * QIB_S_WAIT_ACK - waiting for an ACK packet before sending more requests
+ * QIB_S_SEND_ONE - send one packet, request ACK, then wait for ACK
+ */
+#define QIB_S_SIGNAL_REQ_WR	0x0001
+#define QIB_S_BUSY		0x0002
+#define QIB_S_TIMER		0x0004
+#define QIB_S_RESP_PENDING	0x0008
+#define QIB_S_ACK_PENDING	0x0010
+#define QIB_S_WAIT_FENCE	0x0020
+#define QIB_S_WAIT_RDMAR	0x0040
+#define QIB_S_WAIT_RNR		0x0080
+#define QIB_S_WAIT_SSN_CREDIT	0x0100
+#define QIB_S_WAIT_DMA		0x0200
+#define QIB_S_WAIT_PIO		0x0400
+#define QIB_S_WAIT_TX		0x0800
+#define QIB_S_WAIT_DMA_DESC	0x1000
+#define QIB_S_WAIT_KMEM		0x2000
+#define QIB_S_WAIT_PSN		0x4000
+#define QIB_S_WAIT_ACK		0x8000
+#define QIB_S_SEND_ONE		0x10000
+#define QIB_S_UNLIMITED_CREDIT	0x20000
+
+/*
+ * Wait flags that would prevent any packet type from being sent.
+ */
+#define QIB_S_ANY_WAIT_IO (QIB_S_WAIT_PIO | QIB_S_WAIT_TX | \
+	QIB_S_WAIT_DMA_DESC | QIB_S_WAIT_KMEM)
+
+/*
+ * Wait flags that would prevent send work requests from making progress.
+ */
+#define QIB_S_ANY_WAIT_SEND (QIB_S_WAIT_FENCE | QIB_S_WAIT_RDMAR | \
+	QIB_S_WAIT_RNR | QIB_S_WAIT_SSN_CREDIT | QIB_S_WAIT_DMA | \
+	QIB_S_WAIT_PSN | QIB_S_WAIT_ACK)
+
+#define QIB_S_ANY_WAIT (QIB_S_ANY_WAIT_IO | QIB_S_ANY_WAIT_SEND)
+
+#define QIB_PSN_CREDIT  16
+
+/*
+ * Since struct qib_swqe is not a fixed size, we can't simply index into
+ * struct qib_qp.s_wq.  This function does the array index computation.
+ */
+static inline struct qib_swqe *get_swqe_ptr(struct qib_qp *qp,
+					      unsigned n)
+{
+	return (struct qib_swqe *)((char *)qp->s_wq +
+				     (sizeof(struct qib_swqe) +
+				      qp->s_max_sge *
+				      sizeof(struct qib_sge)) * n);
+}
+
+/*
+ * Since struct qib_rwqe is not a fixed size, we can't simply index into
+ * struct qib_rwq.wq.  This function does the array index computation.
+ */
+static inline struct qib_rwqe *get_rwqe_ptr(struct qib_rq *rq, unsigned n)
+{
+	return (struct qib_rwqe *)
+		((char *) rq->wq->wq +
+		 (sizeof(struct qib_rwqe) +
+		  rq->max_sge * sizeof(struct ib_sge)) * n);
+}
+
+/*
+ * QPN-map pages start out as NULL, they get allocated upon
+ * first use and are never deallocated. This way,
+ * large bitmaps are not allocated unless large numbers of QPs are used.
+ */
+struct qpn_map {
+	void *page;
+};
+
+struct qib_qpn_table {
+	spinlock_t lock; /* protect changes in this struct */
+	unsigned flags;         /* flags for QP0/1 allocated for each port */
+	u32 last;               /* last QP number allocated */
+	u32 nmaps;              /* size of the map table */
+	u16 limit;
+	u16 mask;
+	/* bit map of free QP numbers other than 0/1 */
+	struct qpn_map map[QPNMAP_ENTRIES];
+};
+
+struct qib_lkey_table {
+	spinlock_t lock; /* protect changes in this struct */
+	u32 next;               /* next unused index (speeds search) */
+	u32 gen;                /* generation count */
+	u32 max;                /* size of the table */
+	struct qib_mregion **table;
+};
+
+struct qib_opcode_stats {
+	u64 n_packets;          /* number of packets */
+	u64 n_bytes;            /* total number of bytes */
+};
+
+struct qib_ibport {
+	struct qib_qp *qp0;
+	struct qib_qp *qp1;
+	struct ib_mad_agent *send_agent;	/* agent for SMI (traps) */
+	struct qib_ah *sm_ah;
+	struct qib_ah *smi_ah;
+	struct rb_root mcast_tree;
+	spinlock_t lock;		/* protect changes in this struct */
+
+	/* non-zero when timer is set */
+	unsigned long mkey_lease_timeout;
+	unsigned long trap_timeout;
+	__be64 gid_prefix;      /* in network order */
+	__be64 mkey;
+	__be64 guids[QIB_GUIDS_PER_PORT	- 1];	/* writable GUIDs */
+	u64 tid;		/* TID for traps */
+	u64 n_unicast_xmit;     /* total unicast packets sent */
+	u64 n_unicast_rcv;      /* total unicast packets received */
+	u64 n_multicast_xmit;   /* total multicast packets sent */
+	u64 n_multicast_rcv;    /* total multicast packets received */
+	u64 z_symbol_error_counter;             /* starting count for PMA */
+	u64 z_link_error_recovery_counter;      /* starting count for PMA */
+	u64 z_link_downed_counter;              /* starting count for PMA */
+	u64 z_port_rcv_errors;                  /* starting count for PMA */
+	u64 z_port_rcv_remphys_errors;          /* starting count for PMA */
+	u64 z_port_xmit_discards;               /* starting count for PMA */
+	u64 z_port_xmit_data;                   /* starting count for PMA */
+	u64 z_port_rcv_data;                    /* starting count for PMA */
+	u64 z_port_xmit_packets;                /* starting count for PMA */
+	u64 z_port_rcv_packets;                 /* starting count for PMA */
+	u32 z_local_link_integrity_errors;      /* starting count for PMA */
+	u32 z_excessive_buffer_overrun_errors;  /* starting count for PMA */
+	u32 z_vl15_dropped;                     /* starting count for PMA */
+	u32 n_rc_resends;
+	u32 n_rc_acks;
+	u32 n_rc_qacks;
+	u32 n_rc_delayed_comp;
+	u32 n_seq_naks;
+	u32 n_rdma_seq;
+	u32 n_rnr_naks;
+	u32 n_other_naks;
+	u32 n_loop_pkts;
+	u32 n_pkt_drops;
+	u32 n_vl15_dropped;
+	u32 n_rc_timeouts;
+	u32 n_dmawait;
+	u32 n_unaligned;
+	u32 n_rc_dupreq;
+	u32 n_rc_seqnak;
+	u32 port_cap_flags;
+	u32 pma_sample_start;
+	u32 pma_sample_interval;
+	__be16 pma_counter_select[5];
+	u16 pma_tag;
+	u16 pkey_violations;
+	u16 qkey_violations;
+	u16 mkey_violations;
+	u16 mkey_lease_period;
+	u16 sm_lid;
+	u16 repress_traps;
+	u8 sm_sl;
+	u8 mkeyprot;
+	u8 subnet_timeout;
+	u8 vl_high_limit;
+	u8 sl_to_vl[16];
+
+	struct qib_opcode_stats opstats[128];
+};
+
+struct qib_ibdev {
+	struct ib_device ibdev;
+	struct list_head pending_mmaps;
+	spinlock_t mmap_offset_lock; /* protect mmap_offset */
+	u32 mmap_offset;
+	struct qib_mregion *dma_mr;
+
+	/* QP numbers are shared by all IB ports */
+	struct qib_qpn_table qpn_table;
+	struct qib_lkey_table lk_table;
+	struct list_head piowait;       /* list for wait PIO buf */
+	struct list_head dmawait;	/* list for wait DMA */
+	struct list_head txwait;        /* list for wait qib_verbs_txreq */
+	struct list_head memwait;       /* list for wait kernel memory */
+	struct list_head txreq_free;
+	struct timer_list mem_timer;
+	struct qib_qp **qp_table;
+	struct qib_pio_header *pio_hdrs;
+	dma_addr_t pio_hdrs_phys;
+	/* list of QPs waiting for RNR timer */
+	spinlock_t pending_lock; /* protect wait lists, PMA counters, etc. */
+	unsigned qp_table_size; /* size of the hash table */
+	spinlock_t qpt_lock;
+
+	u32 n_piowait;
+	u32 n_txwait;
+
+	u32 n_pds_allocated;    /* number of PDs allocated for device */
+	spinlock_t n_pds_lock;
+	u32 n_ahs_allocated;    /* number of AHs allocated for device */
+	spinlock_t n_ahs_lock;
+	u32 n_cqs_allocated;    /* number of CQs allocated for device */
+	spinlock_t n_cqs_lock;
+	u32 n_qps_allocated;    /* number of QPs allocated for device */
+	spinlock_t n_qps_lock;
+	u32 n_srqs_allocated;   /* number of SRQs allocated for device */
+	spinlock_t n_srqs_lock;
+	u32 n_mcast_grps_allocated; /* number of mcast groups allocated */
+	spinlock_t n_mcast_grps_lock;
+};
+
+struct qib_verbs_counters {
+	u64 symbol_error_counter;
+	u64 link_error_recovery_counter;
+	u64 link_downed_counter;
+	u64 port_rcv_errors;
+	u64 port_rcv_remphys_errors;
+	u64 port_xmit_discards;
+	u64 port_xmit_data;
+	u64 port_rcv_data;
+	u64 port_xmit_packets;
+	u64 port_rcv_packets;
+	u32 local_link_integrity_errors;
+	u32 excessive_buffer_overrun_errors;
+	u32 vl15_dropped;
+};
+
+static inline struct qib_mr *to_imr(struct ib_mr *ibmr)
+{
+	return container_of(ibmr, struct qib_mr, ibmr);
+}
+
+static inline struct qib_pd *to_ipd(struct ib_pd *ibpd)
+{
+	return container_of(ibpd, struct qib_pd, ibpd);
+}
+
+static inline struct qib_ah *to_iah(struct ib_ah *ibah)
+{
+	return container_of(ibah, struct qib_ah, ibah);
+}
+
+static inline struct qib_cq *to_icq(struct ib_cq *ibcq)
+{
+	return container_of(ibcq, struct qib_cq, ibcq);
+}
+
+static inline struct qib_srq *to_isrq(struct ib_srq *ibsrq)
+{
+	return container_of(ibsrq, struct qib_srq, ibsrq);
+}
+
+static inline struct qib_qp *to_iqp(struct ib_qp *ibqp)
+{
+	return container_of(ibqp, struct qib_qp, ibqp);
+}
+
+static inline struct qib_ibdev *to_idev(struct ib_device *ibdev)
+{
+	return container_of(ibdev, struct qib_ibdev, ibdev);
+}
+
+/*
+ * Send if not busy or waiting for I/O and either
+ * a RC response is pending or we can process send work requests.
+ */
+static inline int qib_send_ok(struct qib_qp *qp)
+{
+	return !(qp->s_flags & (QIB_S_BUSY | QIB_S_ANY_WAIT_IO)) &&
+		(qp->s_hdrwords || (qp->s_flags & QIB_S_RESP_PENDING) ||
+		 !(qp->s_flags & QIB_S_ANY_WAIT_SEND));
+}
+
+extern struct workqueue_struct *qib_wq;
+extern struct workqueue_struct *qib_cq_wq;
+
+/*
+ * This must be called with s_lock held.
+ */
+static inline void qib_schedule_send(struct qib_qp *qp)
+{
+	if (qib_send_ok(qp)) {
+		if (qp->processor_id == smp_processor_id())
+			queue_work(qib_wq, &qp->s_work);
+		else
+			queue_work_on(qp->processor_id,
+				      qib_wq, &qp->s_work);
+	}
+}
+
+static inline int qib_pkey_ok(u16 pkey1, u16 pkey2)
+{
+	u16 p1 = pkey1 & 0x7FFF;
+	u16 p2 = pkey2 & 0x7FFF;
+
+	/*
+	 * Low 15 bits must be non-zero and match, and
+	 * one of the two must be a full member.
+	 */
+	return p1 && p1 == p2 && ((__s16)pkey1 < 0 || (__s16)pkey2 < 0);
+}
+
+void qib_bad_pqkey(struct qib_ibport *ibp, __be16 trap_num, u32 key, u32 sl,
+		   u32 qp1, u32 qp2, __be16 lid1, __be16 lid2);
+void qib_cap_mask_chg(struct qib_ibport *ibp);
+void qib_sys_guid_chg(struct qib_ibport *ibp);
+void qib_node_desc_chg(struct qib_ibport *ibp);
+int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
+		    struct ib_wc *in_wc, struct ib_grh *in_grh,
+		    struct ib_mad *in_mad, struct ib_mad *out_mad);
+int qib_create_agents(struct qib_ibdev *dev);
+void qib_free_agents(struct qib_ibdev *dev);
+
+/*
+ * Compare the lower 24 bits of the two values.
+ * Returns an integer <, ==, or > than zero.
+ */
+static inline int qib_cmp24(u32 a, u32 b)
+{
+	return (((int) a) - ((int) b)) << 8;
+}
+
+struct qib_mcast *qib_mcast_find(struct qib_ibport *ibp, union ib_gid *mgid);
+
+int qib_snapshot_counters(struct qib_pportdata *ppd, u64 *swords,
+			  u64 *rwords, u64 *spkts, u64 *rpkts,
+			  u64 *xmit_wait);
+
+int qib_get_counters(struct qib_pportdata *ppd,
+		     struct qib_verbs_counters *cntrs);
+
+int qib_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
+
+int qib_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
+
+int qib_mcast_tree_empty(struct qib_ibport *ibp);
+
+__be32 qib_compute_aeth(struct qib_qp *qp);
+
+struct qib_qp *qib_lookup_qpn(struct qib_ibport *ibp, u32 qpn);
+
+struct ib_qp *qib_create_qp(struct ib_pd *ibpd,
+			    struct ib_qp_init_attr *init_attr,
+			    struct ib_udata *udata);
+
+int qib_destroy_qp(struct ib_qp *ibqp);
+
+int qib_error_qp(struct qib_qp *qp, enum ib_wc_status err);
+
+int qib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
+		  int attr_mask, struct ib_udata *udata);
+
+int qib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
+		 int attr_mask, struct ib_qp_init_attr *init_attr);
+
+unsigned qib_free_all_qps(struct qib_devdata *dd);
+
+void qib_init_qpn_table(struct qib_devdata *dd, struct qib_qpn_table *qpt);
+
+void qib_free_qpn_table(struct qib_qpn_table *qpt);
+
+void qib_get_credit(struct qib_qp *qp, u32 aeth);
+
+unsigned qib_pkt_delay(u32 plen, u8 snd_mult, u8 rcv_mult);
+
+void qib_verbs_sdma_desc_avail(struct qib_pportdata *ppd, unsigned avail);
+
+void qib_put_txreq(struct qib_verbs_txreq *tx);
+
+int qib_verbs_send(struct qib_qp *qp, struct qib_ib_header *hdr,
+		   u32 hdrwords, struct qib_sge_state *ss, u32 len);
+
+void qib_copy_sge(struct qib_sge_state *ss, void *data, u32 length,
+		  int release);
+
+void qib_skip_sge(struct qib_sge_state *ss, u32 length, int release);
+
+void qib_uc_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
+		int has_grh, void *data, u32 tlen, struct qib_qp *qp);
+
+void qib_rc_rcv(struct qib_ctxtdata *rcd, struct qib_ib_header *hdr,
+		int has_grh, void *data, u32 tlen, struct qib_qp *qp);
+
+int qib_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr);
+
+void qib_rc_rnr_retry(unsigned long arg);
+
+void qib_rc_send_complete(struct qib_qp *qp, struct qib_ib_header *hdr);
+
+void qib_rc_error(struct qib_qp *qp, enum ib_wc_status err);
+
+int qib_post_ud_send(struct qib_qp *qp, struct ib_send_wr *wr);
+
+void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
+		int has_grh, void *data, u32 tlen, struct qib_qp *qp);
+
+int qib_alloc_lkey(struct qib_lkey_table *rkt, struct qib_mregion *mr);
+
+int qib_free_lkey(struct qib_ibdev *dev, struct qib_mregion *mr);
+
+int qib_lkey_ok(struct qib_lkey_table *rkt, struct qib_pd *pd,
+		struct qib_sge *isge, struct ib_sge *sge, int acc);
+
+int qib_rkey_ok(struct qib_qp *qp, struct qib_sge *sge,
+		u32 len, u64 vaddr, u32 rkey, int acc);
+
+int qib_post_srq_receive(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
+			 struct ib_recv_wr **bad_wr);
+
+struct ib_srq *qib_create_srq(struct ib_pd *ibpd,
+			      struct ib_srq_init_attr *srq_init_attr,
+			      struct ib_udata *udata);
+
+int qib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
+		   enum ib_srq_attr_mask attr_mask,
+		   struct ib_udata *udata);
+
+int qib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr);
+
+int qib_destroy_srq(struct ib_srq *ibsrq);
+
+void qib_cq_enter(struct qib_cq *cq, struct ib_wc *entry, int sig);
+
+int qib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry);
+
+struct ib_cq *qib_create_cq(struct ib_device *ibdev, int entries,
+			    int comp_vector, struct ib_ucontext *context,
+			    struct ib_udata *udata);
+
+int qib_destroy_cq(struct ib_cq *ibcq);
+
+int qib_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags);
+
+int qib_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata);
+
+struct ib_mr *qib_get_dma_mr(struct ib_pd *pd, int acc);
+
+struct ib_mr *qib_reg_phys_mr(struct ib_pd *pd,
+			      struct ib_phys_buf *buffer_list,
+			      int num_phys_buf, int acc, u64 *iova_start);
+
+struct ib_mr *qib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
+			      u64 virt_addr, int mr_access_flags,
+			      struct ib_udata *udata);
+
+int qib_dereg_mr(struct ib_mr *ibmr);
+
+struct ib_mr *qib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len);
+
+struct ib_fast_reg_page_list *qib_alloc_fast_reg_page_list(
+				struct ib_device *ibdev, int page_list_len);
+
+void qib_free_fast_reg_page_list(struct ib_fast_reg_page_list *pl);
+
+int qib_fast_reg_mr(struct qib_qp *qp, struct ib_send_wr *wr);
+
+struct ib_fmr *qib_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
+			     struct ib_fmr_attr *fmr_attr);
+
+int qib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
+		     int list_len, u64 iova);
+
+int qib_unmap_fmr(struct list_head *fmr_list);
+
+int qib_dealloc_fmr(struct ib_fmr *ibfmr);
+
+void qib_release_mmap_info(struct kref *ref);
+
+struct qib_mmap_info *qib_create_mmap_info(struct qib_ibdev *dev, u32 size,
+					   struct ib_ucontext *context,
+					   void *obj);
+
+void qib_update_mmap_info(struct qib_ibdev *dev, struct qib_mmap_info *ip,
+			  u32 size, void *obj);
+
+int qib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
+
+int qib_get_rwqe(struct qib_qp *qp, int wr_id_only);
+
+void qib_migrate_qp(struct qib_qp *qp);
+
+int qib_ruc_check_hdr(struct qib_ibport *ibp, struct qib_ib_header *hdr,
+		      int has_grh, struct qib_qp *qp, u32 bth0);
+
+u32 qib_make_grh(struct qib_ibport *ibp, struct ib_grh *hdr,
+		 struct ib_global_route *grh, u32 hwords, u32 nwords);
+
+void qib_make_ruc_header(struct qib_qp *qp, struct qib_other_headers *ohdr,
+			 u32 bth0, u32 bth2);
+
+void qib_do_send(struct work_struct *work);
+
+void qib_send_complete(struct qib_qp *qp, struct qib_swqe *wqe,
+		       enum ib_wc_status status);
+
+void qib_send_rc_ack(struct qib_qp *qp);
+
+int qib_make_rc_req(struct qib_qp *qp);
+
+int qib_make_uc_req(struct qib_qp *qp);
+
+int qib_make_ud_req(struct qib_qp *qp);
+
+int qib_register_ib_device(struct qib_devdata *);
+
+void qib_unregister_ib_device(struct qib_devdata *);
+
+void qib_ib_rcv(struct qib_ctxtdata *, void *, void *, u32);
+
+void qib_ib_piobufavail(struct qib_devdata *);
+
+unsigned qib_get_npkeys(struct qib_devdata *);
+
+unsigned qib_get_pkey(struct qib_ibport *, unsigned);
+
+extern const enum ib_wc_opcode ib_qib_wc_opcode[];
+
+/*
+ * Below  HCA-independent IB PhysPortState values, returned
+ * by the f_ibphys_portstate() routine.
+ */
+#define IB_PHYSPORTSTATE_SLEEP 1
+#define IB_PHYSPORTSTATE_POLL 2
+#define IB_PHYSPORTSTATE_DISABLED 3
+#define IB_PHYSPORTSTATE_CFG_TRAIN 4
+#define IB_PHYSPORTSTATE_LINKUP 5
+#define IB_PHYSPORTSTATE_LINK_ERR_RECOVER 6
+#define IB_PHYSPORTSTATE_CFG_DEBOUNCE 8
+#define IB_PHYSPORTSTATE_CFG_IDLE 0xB
+#define IB_PHYSPORTSTATE_RECOVERY_RETRAIN 0xC
+#define IB_PHYSPORTSTATE_RECOVERY_WAITRMT 0xE
+#define IB_PHYSPORTSTATE_RECOVERY_IDLE 0xF
+#define IB_PHYSPORTSTATE_CFG_ENH 0x10
+#define IB_PHYSPORTSTATE_CFG_WAIT_ENH 0x13
+
+extern const int ib_qib_state_ops[];
+
+extern __be64 ib_qib_sys_image_guid;    /* in network order */
+
+extern unsigned int ib_qib_lkey_table_size;
+
+extern unsigned int ib_qib_max_cqes;
+
+extern unsigned int ib_qib_max_cqs;
+
+extern unsigned int ib_qib_max_qp_wrs;
+
+extern unsigned int ib_qib_max_qps;
+
+extern unsigned int ib_qib_max_sges;
+
+extern unsigned int ib_qib_max_mcast_grps;
+
+extern unsigned int ib_qib_max_mcast_qp_attached;
+
+extern unsigned int ib_qib_max_srqs;
+
+extern unsigned int ib_qib_max_srq_sges;
+
+extern unsigned int ib_qib_max_srq_wrs;
+
+extern const u32 ib_qib_rnr_table[];
+
+extern struct ib_dma_mapping_ops qib_dma_mapping_ops;
+
+#endif                          /* QIB_VERBS_H */
diff --git a/drivers/infiniband/hw/qib/qib_verbs_mcast.c b/drivers/infiniband/hw/qib/qib_verbs_mcast.c
new file mode 100644
index 00000000000..dabb697b1c2
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_verbs_mcast.c
@@ -0,0 +1,368 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/rculist.h>
+
+#include "qib.h"
+
+/**
+ * qib_mcast_qp_alloc - alloc a struct to link a QP to mcast GID struct
+ * @qp: the QP to link
+ */
+static struct qib_mcast_qp *qib_mcast_qp_alloc(struct qib_qp *qp)
+{
+	struct qib_mcast_qp *mqp;
+
+	mqp = kmalloc(sizeof *mqp, GFP_KERNEL);
+	if (!mqp)
+		goto bail;
+
+	mqp->qp = qp;
+	atomic_inc(&qp->refcount);
+
+bail:
+	return mqp;
+}
+
+static void qib_mcast_qp_free(struct qib_mcast_qp *mqp)
+{
+	struct qib_qp *qp = mqp->qp;
+
+	/* Notify qib_destroy_qp() if it is waiting. */
+	if (atomic_dec_and_test(&qp->refcount))
+		wake_up(&qp->wait);
+
+	kfree(mqp);
+}
+
+/**
+ * qib_mcast_alloc - allocate the multicast GID structure
+ * @mgid: the multicast GID
+ *
+ * A list of QPs will be attached to this structure.
+ */
+static struct qib_mcast *qib_mcast_alloc(union ib_gid *mgid)
+{
+	struct qib_mcast *mcast;
+
+	mcast = kmalloc(sizeof *mcast, GFP_KERNEL);
+	if (!mcast)
+		goto bail;
+
+	mcast->mgid = *mgid;
+	INIT_LIST_HEAD(&mcast->qp_list);
+	init_waitqueue_head(&mcast->wait);
+	atomic_set(&mcast->refcount, 0);
+	mcast->n_attached = 0;
+
+bail:
+	return mcast;
+}
+
+static void qib_mcast_free(struct qib_mcast *mcast)
+{
+	struct qib_mcast_qp *p, *tmp;
+
+	list_for_each_entry_safe(p, tmp, &mcast->qp_list, list)
+		qib_mcast_qp_free(p);
+
+	kfree(mcast);
+}
+
+/**
+ * qib_mcast_find - search the global table for the given multicast GID
+ * @ibp: the IB port structure
+ * @mgid: the multicast GID to search for
+ *
+ * Returns NULL if not found.
+ *
+ * The caller is responsible for decrementing the reference count if found.
+ */
+struct qib_mcast *qib_mcast_find(struct qib_ibport *ibp, union ib_gid *mgid)
+{
+	struct rb_node *n;
+	unsigned long flags;
+	struct qib_mcast *mcast;
+
+	spin_lock_irqsave(&ibp->lock, flags);
+	n = ibp->mcast_tree.rb_node;
+	while (n) {
+		int ret;
+
+		mcast = rb_entry(n, struct qib_mcast, rb_node);
+
+		ret = memcmp(mgid->raw, mcast->mgid.raw,
+			     sizeof(union ib_gid));
+		if (ret < 0)
+			n = n->rb_left;
+		else if (ret > 0)
+			n = n->rb_right;
+		else {
+			atomic_inc(&mcast->refcount);
+			spin_unlock_irqrestore(&ibp->lock, flags);
+			goto bail;
+		}
+	}
+	spin_unlock_irqrestore(&ibp->lock, flags);
+
+	mcast = NULL;
+
+bail:
+	return mcast;
+}
+
+/**
+ * qib_mcast_add - insert mcast GID into table and attach QP struct
+ * @mcast: the mcast GID table
+ * @mqp: the QP to attach
+ *
+ * Return zero if both were added.  Return EEXIST if the GID was already in
+ * the table but the QP was added.  Return ESRCH if the QP was already
+ * attached and neither structure was added.
+ */
+static int qib_mcast_add(struct qib_ibdev *dev, struct qib_ibport *ibp,
+			 struct qib_mcast *mcast, struct qib_mcast_qp *mqp)
+{
+	struct rb_node **n = &ibp->mcast_tree.rb_node;
+	struct rb_node *pn = NULL;
+	int ret;
+
+	spin_lock_irq(&ibp->lock);
+
+	while (*n) {
+		struct qib_mcast *tmcast;
+		struct qib_mcast_qp *p;
+
+		pn = *n;
+		tmcast = rb_entry(pn, struct qib_mcast, rb_node);
+
+		ret = memcmp(mcast->mgid.raw, tmcast->mgid.raw,
+			     sizeof(union ib_gid));
+		if (ret < 0) {
+			n = &pn->rb_left;
+			continue;
+		}
+		if (ret > 0) {
+			n = &pn->rb_right;
+			continue;
+		}
+
+		/* Search the QP list to see if this is already there. */
+		list_for_each_entry_rcu(p, &tmcast->qp_list, list) {
+			if (p->qp == mqp->qp) {
+				ret = ESRCH;
+				goto bail;
+			}
+		}
+		if (tmcast->n_attached == ib_qib_max_mcast_qp_attached) {
+			ret = ENOMEM;
+			goto bail;
+		}
+
+		tmcast->n_attached++;
+
+		list_add_tail_rcu(&mqp->list, &tmcast->qp_list);
+		ret = EEXIST;
+		goto bail;
+	}
+
+	spin_lock(&dev->n_mcast_grps_lock);
+	if (dev->n_mcast_grps_allocated == ib_qib_max_mcast_grps) {
+		spin_unlock(&dev->n_mcast_grps_lock);
+		ret = ENOMEM;
+		goto bail;
+	}
+
+	dev->n_mcast_grps_allocated++;
+	spin_unlock(&dev->n_mcast_grps_lock);
+
+	mcast->n_attached++;
+
+	list_add_tail_rcu(&mqp->list, &mcast->qp_list);
+
+	atomic_inc(&mcast->refcount);
+	rb_link_node(&mcast->rb_node, pn, n);
+	rb_insert_color(&mcast->rb_node, &ibp->mcast_tree);
+
+	ret = 0;
+
+bail:
+	spin_unlock_irq(&ibp->lock);
+
+	return ret;
+}
+
+int qib_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
+{
+	struct qib_qp *qp = to_iqp(ibqp);
+	struct qib_ibdev *dev = to_idev(ibqp->device);
+	struct qib_ibport *ibp;
+	struct qib_mcast *mcast;
+	struct qib_mcast_qp *mqp;
+	int ret;
+
+	if (ibqp->qp_num <= 1 || qp->state == IB_QPS_RESET) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	/*
+	 * Allocate data structures since its better to do this outside of
+	 * spin locks and it will most likely be needed.
+	 */
+	mcast = qib_mcast_alloc(gid);
+	if (mcast == NULL) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+	mqp = qib_mcast_qp_alloc(qp);
+	if (mqp == NULL) {
+		qib_mcast_free(mcast);
+		ret = -ENOMEM;
+		goto bail;
+	}
+	ibp = to_iport(ibqp->device, qp->port_num);
+	switch (qib_mcast_add(dev, ibp, mcast, mqp)) {
+	case ESRCH:
+		/* Neither was used: OK to attach the same QP twice. */
+		qib_mcast_qp_free(mqp);
+		qib_mcast_free(mcast);
+		break;
+
+	case EEXIST:            /* The mcast wasn't used */
+		qib_mcast_free(mcast);
+		break;
+
+	case ENOMEM:
+		/* Exceeded the maximum number of mcast groups. */
+		qib_mcast_qp_free(mqp);
+		qib_mcast_free(mcast);
+		ret = -ENOMEM;
+		goto bail;
+
+	default:
+		break;
+	}
+
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+int qib_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
+{
+	struct qib_qp *qp = to_iqp(ibqp);
+	struct qib_ibdev *dev = to_idev(ibqp->device);
+	struct qib_ibport *ibp = to_iport(ibqp->device, qp->port_num);
+	struct qib_mcast *mcast = NULL;
+	struct qib_mcast_qp *p, *tmp;
+	struct rb_node *n;
+	int last = 0;
+	int ret;
+
+	if (ibqp->qp_num <= 1 || qp->state == IB_QPS_RESET) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
+	spin_lock_irq(&ibp->lock);
+
+	/* Find the GID in the mcast table. */
+	n = ibp->mcast_tree.rb_node;
+	while (1) {
+		if (n == NULL) {
+			spin_unlock_irq(&ibp->lock);
+			ret = -EINVAL;
+			goto bail;
+		}
+
+		mcast = rb_entry(n, struct qib_mcast, rb_node);
+		ret = memcmp(gid->raw, mcast->mgid.raw,
+			     sizeof(union ib_gid));
+		if (ret < 0)
+			n = n->rb_left;
+		else if (ret > 0)
+			n = n->rb_right;
+		else
+			break;
+	}
+
+	/* Search the QP list. */
+	list_for_each_entry_safe(p, tmp, &mcast->qp_list, list) {
+		if (p->qp != qp)
+			continue;
+		/*
+		 * We found it, so remove it, but don't poison the forward
+		 * link until we are sure there are no list walkers.
+		 */
+		list_del_rcu(&p->list);
+		mcast->n_attached--;
+
+		/* If this was the last attached QP, remove the GID too. */
+		if (list_empty(&mcast->qp_list)) {
+			rb_erase(&mcast->rb_node, &ibp->mcast_tree);
+			last = 1;
+		}
+		break;
+	}
+
+	spin_unlock_irq(&ibp->lock);
+
+	if (p) {
+		/*
+		 * Wait for any list walkers to finish before freeing the
+		 * list element.
+		 */
+		wait_event(mcast->wait, atomic_read(&mcast->refcount) <= 1);
+		qib_mcast_qp_free(p);
+	}
+	if (last) {
+		atomic_dec(&mcast->refcount);
+		wait_event(mcast->wait, !atomic_read(&mcast->refcount));
+		qib_mcast_free(mcast);
+		spin_lock_irq(&dev->n_mcast_grps_lock);
+		dev->n_mcast_grps_allocated--;
+		spin_unlock_irq(&dev->n_mcast_grps_lock);
+	}
+
+	ret = 0;
+
+bail:
+	return ret;
+}
+
+int qib_mcast_tree_empty(struct qib_ibport *ibp)
+{
+	return ibp->mcast_tree.rb_node == NULL;
+}
diff --git a/drivers/infiniband/hw/qib/qib_wc_ppc64.c b/drivers/infiniband/hw/qib/qib_wc_ppc64.c
new file mode 100644
index 00000000000..673cf4c22eb
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_wc_ppc64.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This file is conditionally built on PowerPC only.  Otherwise weak symbol
+ * versions of the functions exported from here are used.
+ */
+
+#include "qib.h"
+
+/**
+ * qib_enable_wc - enable write combining for MMIO writes to the device
+ * @dd: qlogic_ib device
+ *
+ * Nothing to do on PowerPC, so just return without error.
+ */
+int qib_enable_wc(struct qib_devdata *dd)
+{
+	return 0;
+}
+
+/**
+ * qib_unordered_wc - indicate whether write combining is unordered
+ *
+ * Because our performance depends on our ability to do write
+ * combining mmio writes in the most efficient way, we need to
+ * know if we are on a processor that may reorder stores when
+ * write combining.
+ */
+int qib_unordered_wc(void)
+{
+	return 1;
+}
diff --git a/drivers/infiniband/hw/qib/qib_wc_x86_64.c b/drivers/infiniband/hw/qib/qib_wc_x86_64.c
new file mode 100644
index 00000000000..561b8bca406
--- /dev/null
+++ b/drivers/infiniband/hw/qib/qib_wc_x86_64.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This file is conditionally built on x86_64 only.  Otherwise weak symbol
+ * versions of the functions exported from here are used.
+ */
+
+#include <linux/pci.h>
+#include <asm/mtrr.h>
+#include <asm/processor.h>
+
+#include "qib.h"
+
+/**
+ * qib_enable_wc - enable write combining for MMIO writes to the device
+ * @dd: qlogic_ib device
+ *
+ * This routine is x86_64-specific; it twiddles the CPU's MTRRs to enable
+ * write combining.
+ */
+int qib_enable_wc(struct qib_devdata *dd)
+{
+	int ret = 0;
+	u64 pioaddr, piolen;
+	unsigned bits;
+	const unsigned long addr = pci_resource_start(dd->pcidev, 0);
+	const size_t len = pci_resource_len(dd->pcidev, 0);
+
+	/*
+	 * Set the PIO buffers to be WCCOMB, so we get HT bursts to the
+	 * chip.  Linux (possibly the hardware) requires it to be on a power
+	 * of 2 address matching the length (which has to be a power of 2).
+	 * For rev1, that means the base address, for rev2, it will be just
+	 * the PIO buffers themselves.
+	 * For chips with two sets of buffers, the calculations are
+	 * somewhat more complicated; we need to sum, and the piobufbase
+	 * register has both offsets, 2K in low 32 bits, 4K in high 32 bits.
+	 * The buffers are still packed, so a single range covers both.
+	 */
+	if (dd->piobcnt2k && dd->piobcnt4k) {
+		/* 2 sizes for chip */
+		unsigned long pio2kbase, pio4kbase;
+		pio2kbase = dd->piobufbase & 0xffffffffUL;
+		pio4kbase = (dd->piobufbase >> 32) & 0xffffffffUL;
+		if (pio2kbase < pio4kbase) {
+			/* all current chips */
+			pioaddr = addr + pio2kbase;
+			piolen = pio4kbase - pio2kbase +
+				dd->piobcnt4k * dd->align4k;
+		} else {
+			pioaddr = addr + pio4kbase;
+			piolen = pio2kbase - pio4kbase +
+				dd->piobcnt2k * dd->palign;
+		}
+	} else {  /* single buffer size (2K, currently) */
+		pioaddr = addr + dd->piobufbase;
+		piolen = dd->piobcnt2k * dd->palign +
+			dd->piobcnt4k * dd->align4k;
+	}
+
+	for (bits = 0; !(piolen & (1ULL << bits)); bits++)
+		/* do nothing */ ;
+
+	if (piolen != (1ULL << bits)) {
+		piolen >>= bits;
+		while (piolen >>= 1)
+			bits++;
+		piolen = 1ULL << (bits + 1);
+	}
+	if (pioaddr & (piolen - 1)) {
+		u64 atmp;
+		atmp = pioaddr & ~(piolen - 1);
+		if (atmp < addr || (atmp + piolen) > (addr + len)) {
+			qib_dev_err(dd, "No way to align address/size "
+				    "(%llx/%llx), no WC mtrr\n",
+				    (unsigned long long) atmp,
+				    (unsigned long long) piolen << 1);
+			ret = -ENODEV;
+		} else {
+			pioaddr = atmp;
+			piolen <<= 1;
+		}
+	}
+
+	if (!ret) {
+		int cookie;
+
+		cookie = mtrr_add(pioaddr, piolen, MTRR_TYPE_WRCOMB, 0);
+		if (cookie < 0) {
+			{
+				qib_devinfo(dd->pcidev,
+					 "mtrr_add()  WC for PIO bufs "
+					 "failed (%d)\n",
+					 cookie);
+				ret = -EINVAL;
+			}
+		} else {
+			dd->wc_cookie = cookie;
+			dd->wc_base = (unsigned long) pioaddr;
+			dd->wc_len = (unsigned long) piolen;
+		}
+	}
+
+	return ret;
+}
+
+/**
+ * qib_disable_wc - disable write combining for MMIO writes to the device
+ * @dd: qlogic_ib device
+ */
+void qib_disable_wc(struct qib_devdata *dd)
+{
+	if (dd->wc_cookie) {
+		int r;
+
+		r = mtrr_del(dd->wc_cookie, dd->wc_base,
+			     dd->wc_len);
+		if (r < 0)
+			qib_devinfo(dd->pcidev,
+				 "mtrr_del(%lx, %lx, %lx) failed: %d\n",
+				 dd->wc_cookie, dd->wc_base,
+				 dd->wc_len, r);
+		dd->wc_cookie = 0; /* even on failure */
+	}
+}
+
+/**
+ * qib_unordered_wc - indicate whether write combining is ordered
+ *
+ * Because our performance depends on our ability to do write combining mmio
+ * writes in the most efficient way, we need to know if we are on an Intel
+ * or AMD x86_64 processor.  AMD x86_64 processors flush WC buffers out in
+ * the order completed, and so no special flushing is required to get
+ * correct ordering.  Intel processors, however, will flush write buffers
+ * out in "random" orders, and so explicit ordering is needed at times.
+ */
+int qib_unordered_wc(void)
+{
+	return boot_cpu_data.x86_vendor != X86_VENDOR_AMD;
+}

From f6d60848baf9f4015c76c665791875ed623cd5b7 Mon Sep 17 00:00:00 2001
From: Ralph Campbell <ralph.campbell@qlogic.com>
Date: Thu, 6 May 2010 17:03:19 -0700
Subject: [PATCH 2831/3638] IB/ipath: Remove support for QLogic PCIe QLE
 devices

The ib_qib driver is taking over support for QLogic PCIe QLE devices,
so remove support for them from ib_ipath.  The ib_ipath driver now
supports only the obsolete QLogic Hyper-Transport IB host channel
adapter (model QHT7140).

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/ipath/Kconfig           |    8 +-
 drivers/infiniband/hw/ipath/Makefile          |    6 +-
 drivers/infiniband/hw/ipath/ipath_7220.h      |   57 -
 drivers/infiniband/hw/ipath/ipath_driver.c    |   28 +-
 drivers/infiniband/hw/ipath/ipath_iba6120.c   | 1862 ------------
 drivers/infiniband/hw/ipath/ipath_iba7220.c   | 2631 -----------------
 drivers/infiniband/hw/ipath/ipath_kernel.h    |    2 -
 drivers/infiniband/hw/ipath/ipath_sd7220.c    | 1462 ---------
 .../infiniband/hw/ipath/ipath_sd7220_img.c    | 1082 -------
 9 files changed, 7 insertions(+), 7131 deletions(-)
 delete mode 100644 drivers/infiniband/hw/ipath/ipath_7220.h
 delete mode 100644 drivers/infiniband/hw/ipath/ipath_iba6120.c
 delete mode 100644 drivers/infiniband/hw/ipath/ipath_iba7220.c
 delete mode 100644 drivers/infiniband/hw/ipath/ipath_sd7220.c
 delete mode 100644 drivers/infiniband/hw/ipath/ipath_sd7220_img.c

diff --git a/drivers/infiniband/hw/ipath/Kconfig b/drivers/infiniband/hw/ipath/Kconfig
index 3c7968f25ec..1d9bb115cbf 100644
--- a/drivers/infiniband/hw/ipath/Kconfig
+++ b/drivers/infiniband/hw/ipath/Kconfig
@@ -1,9 +1,11 @@
 config INFINIBAND_IPATH
-	tristate "QLogic InfiniPath Driver"
-	depends on 64BIT && NET
+	tristate "QLogic HTX HCA support"
+	depends on 64BIT && NET && HT_IRQ
 	---help---
-	This is a driver for QLogic InfiniPath host channel adapters,
+	This is a driver for the obsolete QLogic Hyper-Transport
+	IB host channel adapter (model QHT7140),
 	including InfiniBand verbs support.  This driver allows these
 	devices to be used with both kernel upper level protocols such
 	as IP-over-InfiniBand as well as with userspace applications
 	(in conjunction with InfiniBand userspace access).
+	For QLogic PCIe QLE based cards, use the QIB driver instead.
diff --git a/drivers/infiniband/hw/ipath/Makefile b/drivers/infiniband/hw/ipath/Makefile
index bf945006198..fa3df82681d 100644
--- a/drivers/infiniband/hw/ipath/Makefile
+++ b/drivers/infiniband/hw/ipath/Makefile
@@ -29,13 +29,9 @@ ib_ipath-y := \
 	ipath_user_pages.o \
 	ipath_user_sdma.o \
 	ipath_verbs_mcast.o \
-	ipath_verbs.o \
-	ipath_iba7220.o \
-	ipath_sd7220.o \
-	ipath_sd7220_img.o
+	ipath_verbs.o
 
 ib_ipath-$(CONFIG_HT_IRQ) += ipath_iba6110.o
-ib_ipath-$(CONFIG_PCI_MSI) += ipath_iba6120.o
 
 ib_ipath-$(CONFIG_X86_64) += ipath_wc_x86_64.o
 ib_ipath-$(CONFIG_PPC64) += ipath_wc_ppc64.o
diff --git a/drivers/infiniband/hw/ipath/ipath_7220.h b/drivers/infiniband/hw/ipath/ipath_7220.h
deleted file mode 100644
index 74fa5cc5131..00000000000
--- a/drivers/infiniband/hw/ipath/ipath_7220.h
+++ /dev/null
@@ -1,57 +0,0 @@
-#ifndef _IPATH_7220_H
-#define _IPATH_7220_H
-/*
- * Copyright (c) 2007 QLogic Corporation. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * This header file provides the declarations and common definitions
- * for (mostly) manipulation of the SerDes blocks within the IBA7220.
- * the functions declared should only be called from within other
- * 7220-related files such as ipath_iba7220.c or ipath_sd7220.c.
- */
-int ipath_sd7220_presets(struct ipath_devdata *dd);
-int ipath_sd7220_init(struct ipath_devdata *dd, int was_reset);
-int ipath_sd7220_prog_ld(struct ipath_devdata *dd, int sdnum, u8 *img,
-	int len, int offset);
-int ipath_sd7220_prog_vfy(struct ipath_devdata *dd, int sdnum, const u8 *img,
-	int len, int offset);
-/*
- * Below used for sdnum parameter, selecting one of the two sections
- * used for PCIe, or the single SerDes used for IB, which is the
- * only one currently used
- */
-#define IB_7220_SERDES 2
-
-int ipath_sd7220_ib_load(struct ipath_devdata *dd);
-int ipath_sd7220_ib_vfy(struct ipath_devdata *dd);
-
-#endif /* _IPATH_7220_H */
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 6302626d17f..21337468c65 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -132,18 +132,13 @@ static int __devinit ipath_init_one(struct pci_dev *,
 
 /* Only needed for registration, nothing else needs this info */
 #define PCI_VENDOR_ID_PATHSCALE 0x1fc1
-#define PCI_VENDOR_ID_QLOGIC 0x1077
 #define PCI_DEVICE_ID_INFINIPATH_HT 0xd
-#define PCI_DEVICE_ID_INFINIPATH_PE800 0x10
-#define PCI_DEVICE_ID_INFINIPATH_7220 0x7220
 
 /* Number of seconds before our card status check...  */
 #define STATUS_TIMEOUT 60
 
 static const struct pci_device_id ipath_pci_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_HT) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_PE800) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_INFINIPATH_7220) },
 	{ 0, }
 };
 
@@ -521,30 +516,9 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
 	/* setup the chip-specific functions, as early as possible. */
 	switch (ent->device) {
 	case PCI_DEVICE_ID_INFINIPATH_HT:
-#ifdef CONFIG_HT_IRQ
 		ipath_init_iba6110_funcs(dd);
 		break;
-#else
-		ipath_dev_err(dd, "QLogic HT device 0x%x cannot work if "
-			      "CONFIG_HT_IRQ is not enabled\n", ent->device);
-		return -ENODEV;
-#endif
-	case PCI_DEVICE_ID_INFINIPATH_PE800:
-#ifdef CONFIG_PCI_MSI
-		ipath_init_iba6120_funcs(dd);
-		break;
-#else
-		ipath_dev_err(dd, "QLogic PCIE device 0x%x cannot work if "
-			      "CONFIG_PCI_MSI is not enabled\n", ent->device);
-		return -ENODEV;
-#endif
-	case PCI_DEVICE_ID_INFINIPATH_7220:
-#ifndef CONFIG_PCI_MSI
-		ipath_dbg("CONFIG_PCI_MSI is not enabled, "
-			  "using INTx for unit %u\n", dd->ipath_unit);
-#endif
-		ipath_init_iba7220_funcs(dd);
-		break;
+
 	default:
 		ipath_dev_err(dd, "Found unknown QLogic deviceid 0x%x, "
 			      "failing\n", ent->device);
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6120.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c
deleted file mode 100644
index 4b4a30b0dab..00000000000
--- a/drivers/infiniband/hw/ipath/ipath_iba6120.c
+++ /dev/null
@@ -1,1862 +0,0 @@
-/*
- * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
- * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-/*
- * This file contains all of the code that is specific to the
- * InfiniPath PCIe chip.
- */
-
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <rdma/ib_verbs.h>
-
-#include "ipath_kernel.h"
-#include "ipath_registers.h"
-
-static void ipath_setup_pe_setextled(struct ipath_devdata *, u64, u64);
-
-/*
- * This file contains all the chip-specific register information and
- * access functions for the QLogic InfiniPath PCI-Express chip.
- *
- * This lists the InfiniPath registers, in the actual chip layout.
- * This structure should never be directly accessed.
- */
-struct _infinipath_do_not_use_kernel_regs {
-	unsigned long long Revision;
-	unsigned long long Control;
-	unsigned long long PageAlign;
-	unsigned long long PortCnt;
-	unsigned long long DebugPortSelect;
-	unsigned long long Reserved0;
-	unsigned long long SendRegBase;
-	unsigned long long UserRegBase;
-	unsigned long long CounterRegBase;
-	unsigned long long Scratch;
-	unsigned long long Reserved1;
-	unsigned long long Reserved2;
-	unsigned long long IntBlocked;
-	unsigned long long IntMask;
-	unsigned long long IntStatus;
-	unsigned long long IntClear;
-	unsigned long long ErrorMask;
-	unsigned long long ErrorStatus;
-	unsigned long long ErrorClear;
-	unsigned long long HwErrMask;
-	unsigned long long HwErrStatus;
-	unsigned long long HwErrClear;
-	unsigned long long HwDiagCtrl;
-	unsigned long long MDIO;
-	unsigned long long IBCStatus;
-	unsigned long long IBCCtrl;
-	unsigned long long ExtStatus;
-	unsigned long long ExtCtrl;
-	unsigned long long GPIOOut;
-	unsigned long long GPIOMask;
-	unsigned long long GPIOStatus;
-	unsigned long long GPIOClear;
-	unsigned long long RcvCtrl;
-	unsigned long long RcvBTHQP;
-	unsigned long long RcvHdrSize;
-	unsigned long long RcvHdrCnt;
-	unsigned long long RcvHdrEntSize;
-	unsigned long long RcvTIDBase;
-	unsigned long long RcvTIDCnt;
-	unsigned long long RcvEgrBase;
-	unsigned long long RcvEgrCnt;
-	unsigned long long RcvBufBase;
-	unsigned long long RcvBufSize;
-	unsigned long long RxIntMemBase;
-	unsigned long long RxIntMemSize;
-	unsigned long long RcvPartitionKey;
-	unsigned long long Reserved3;
-	unsigned long long RcvPktLEDCnt;
-	unsigned long long Reserved4[8];
-	unsigned long long SendCtrl;
-	unsigned long long SendPIOBufBase;
-	unsigned long long SendPIOSize;
-	unsigned long long SendPIOBufCnt;
-	unsigned long long SendPIOAvailAddr;
-	unsigned long long TxIntMemBase;
-	unsigned long long TxIntMemSize;
-	unsigned long long Reserved5;
-	unsigned long long PCIeRBufTestReg0;
-	unsigned long long PCIeRBufTestReg1;
-	unsigned long long Reserved51[6];
-	unsigned long long SendBufferError;
-	unsigned long long SendBufferErrorCONT1;
-	unsigned long long Reserved6SBE[6];
-	unsigned long long RcvHdrAddr0;
-	unsigned long long RcvHdrAddr1;
-	unsigned long long RcvHdrAddr2;
-	unsigned long long RcvHdrAddr3;
-	unsigned long long RcvHdrAddr4;
-	unsigned long long Reserved7RHA[11];
-	unsigned long long RcvHdrTailAddr0;
-	unsigned long long RcvHdrTailAddr1;
-	unsigned long long RcvHdrTailAddr2;
-	unsigned long long RcvHdrTailAddr3;
-	unsigned long long RcvHdrTailAddr4;
-	unsigned long long Reserved8RHTA[11];
-	unsigned long long Reserved9SW[8];
-	unsigned long long SerdesConfig0;
-	unsigned long long SerdesConfig1;
-	unsigned long long SerdesStatus;
-	unsigned long long XGXSConfig;
-	unsigned long long IBPLLCfg;
-	unsigned long long Reserved10SW2[3];
-	unsigned long long PCIEQ0SerdesConfig0;
-	unsigned long long PCIEQ0SerdesConfig1;
-	unsigned long long PCIEQ0SerdesStatus;
-	unsigned long long Reserved11;
-	unsigned long long PCIEQ1SerdesConfig0;
-	unsigned long long PCIEQ1SerdesConfig1;
-	unsigned long long PCIEQ1SerdesStatus;
-	unsigned long long Reserved12;
-};
-
-struct _infinipath_do_not_use_counters {
-	__u64 LBIntCnt;
-	__u64 LBFlowStallCnt;
-	__u64 Reserved1;
-	__u64 TxUnsupVLErrCnt;
-	__u64 TxDataPktCnt;
-	__u64 TxFlowPktCnt;
-	__u64 TxDwordCnt;
-	__u64 TxLenErrCnt;
-	__u64 TxMaxMinLenErrCnt;
-	__u64 TxUnderrunCnt;
-	__u64 TxFlowStallCnt;
-	__u64 TxDroppedPktCnt;
-	__u64 RxDroppedPktCnt;
-	__u64 RxDataPktCnt;
-	__u64 RxFlowPktCnt;
-	__u64 RxDwordCnt;
-	__u64 RxLenErrCnt;
-	__u64 RxMaxMinLenErrCnt;
-	__u64 RxICRCErrCnt;
-	__u64 RxVCRCErrCnt;
-	__u64 RxFlowCtrlErrCnt;
-	__u64 RxBadFormatCnt;
-	__u64 RxLinkProblemCnt;
-	__u64 RxEBPCnt;
-	__u64 RxLPCRCErrCnt;
-	__u64 RxBufOvflCnt;
-	__u64 RxTIDFullErrCnt;
-	__u64 RxTIDValidErrCnt;
-	__u64 RxPKeyMismatchCnt;
-	__u64 RxP0HdrEgrOvflCnt;
-	__u64 RxP1HdrEgrOvflCnt;
-	__u64 RxP2HdrEgrOvflCnt;
-	__u64 RxP3HdrEgrOvflCnt;
-	__u64 RxP4HdrEgrOvflCnt;
-	__u64 RxP5HdrEgrOvflCnt;
-	__u64 RxP6HdrEgrOvflCnt;
-	__u64 RxP7HdrEgrOvflCnt;
-	__u64 RxP8HdrEgrOvflCnt;
-	__u64 Reserved6;
-	__u64 Reserved7;
-	__u64 IBStatusChangeCnt;
-	__u64 IBLinkErrRecoveryCnt;
-	__u64 IBLinkDownedCnt;
-	__u64 IBSymbolErrCnt;
-};
-
-#define IPATH_KREG_OFFSET(field) (offsetof( \
-	struct _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
-#define IPATH_CREG_OFFSET(field) (offsetof( \
-	struct _infinipath_do_not_use_counters, field) / sizeof(u64))
-
-static const struct ipath_kregs ipath_pe_kregs = {
-	.kr_control = IPATH_KREG_OFFSET(Control),
-	.kr_counterregbase = IPATH_KREG_OFFSET(CounterRegBase),
-	.kr_debugportselect = IPATH_KREG_OFFSET(DebugPortSelect),
-	.kr_errorclear = IPATH_KREG_OFFSET(ErrorClear),
-	.kr_errormask = IPATH_KREG_OFFSET(ErrorMask),
-	.kr_errorstatus = IPATH_KREG_OFFSET(ErrorStatus),
-	.kr_extctrl = IPATH_KREG_OFFSET(ExtCtrl),
-	.kr_extstatus = IPATH_KREG_OFFSET(ExtStatus),
-	.kr_gpio_clear = IPATH_KREG_OFFSET(GPIOClear),
-	.kr_gpio_mask = IPATH_KREG_OFFSET(GPIOMask),
-	.kr_gpio_out = IPATH_KREG_OFFSET(GPIOOut),
-	.kr_gpio_status = IPATH_KREG_OFFSET(GPIOStatus),
-	.kr_hwdiagctrl = IPATH_KREG_OFFSET(HwDiagCtrl),
-	.kr_hwerrclear = IPATH_KREG_OFFSET(HwErrClear),
-	.kr_hwerrmask = IPATH_KREG_OFFSET(HwErrMask),
-	.kr_hwerrstatus = IPATH_KREG_OFFSET(HwErrStatus),
-	.kr_ibcctrl = IPATH_KREG_OFFSET(IBCCtrl),
-	.kr_ibcstatus = IPATH_KREG_OFFSET(IBCStatus),
-	.kr_intblocked = IPATH_KREG_OFFSET(IntBlocked),
-	.kr_intclear = IPATH_KREG_OFFSET(IntClear),
-	.kr_intmask = IPATH_KREG_OFFSET(IntMask),
-	.kr_intstatus = IPATH_KREG_OFFSET(IntStatus),
-	.kr_mdio = IPATH_KREG_OFFSET(MDIO),
-	.kr_pagealign = IPATH_KREG_OFFSET(PageAlign),
-	.kr_partitionkey = IPATH_KREG_OFFSET(RcvPartitionKey),
-	.kr_portcnt = IPATH_KREG_OFFSET(PortCnt),
-	.kr_rcvbthqp = IPATH_KREG_OFFSET(RcvBTHQP),
-	.kr_rcvbufbase = IPATH_KREG_OFFSET(RcvBufBase),
-	.kr_rcvbufsize = IPATH_KREG_OFFSET(RcvBufSize),
-	.kr_rcvctrl = IPATH_KREG_OFFSET(RcvCtrl),
-	.kr_rcvegrbase = IPATH_KREG_OFFSET(RcvEgrBase),
-	.kr_rcvegrcnt = IPATH_KREG_OFFSET(RcvEgrCnt),
-	.kr_rcvhdrcnt = IPATH_KREG_OFFSET(RcvHdrCnt),
-	.kr_rcvhdrentsize = IPATH_KREG_OFFSET(RcvHdrEntSize),
-	.kr_rcvhdrsize = IPATH_KREG_OFFSET(RcvHdrSize),
-	.kr_rcvintmembase = IPATH_KREG_OFFSET(RxIntMemBase),
-	.kr_rcvintmemsize = IPATH_KREG_OFFSET(RxIntMemSize),
-	.kr_rcvtidbase = IPATH_KREG_OFFSET(RcvTIDBase),
-	.kr_rcvtidcnt = IPATH_KREG_OFFSET(RcvTIDCnt),
-	.kr_revision = IPATH_KREG_OFFSET(Revision),
-	.kr_scratch = IPATH_KREG_OFFSET(Scratch),
-	.kr_sendbuffererror = IPATH_KREG_OFFSET(SendBufferError),
-	.kr_sendctrl = IPATH_KREG_OFFSET(SendCtrl),
-	.kr_sendpioavailaddr = IPATH_KREG_OFFSET(SendPIOAvailAddr),
-	.kr_sendpiobufbase = IPATH_KREG_OFFSET(SendPIOBufBase),
-	.kr_sendpiobufcnt = IPATH_KREG_OFFSET(SendPIOBufCnt),
-	.kr_sendpiosize = IPATH_KREG_OFFSET(SendPIOSize),
-	.kr_sendregbase = IPATH_KREG_OFFSET(SendRegBase),
-	.kr_txintmembase = IPATH_KREG_OFFSET(TxIntMemBase),
-	.kr_txintmemsize = IPATH_KREG_OFFSET(TxIntMemSize),
-	.kr_userregbase = IPATH_KREG_OFFSET(UserRegBase),
-	.kr_serdesconfig0 = IPATH_KREG_OFFSET(SerdesConfig0),
-	.kr_serdesconfig1 = IPATH_KREG_OFFSET(SerdesConfig1),
-	.kr_serdesstatus = IPATH_KREG_OFFSET(SerdesStatus),
-	.kr_xgxsconfig = IPATH_KREG_OFFSET(XGXSConfig),
-	.kr_ibpllcfg = IPATH_KREG_OFFSET(IBPLLCfg),
-
-	/*
-	 * These should not be used directly via ipath_write_kreg64(),
-	 * use them with ipath_write_kreg64_port(),
-	 */
-	.kr_rcvhdraddr = IPATH_KREG_OFFSET(RcvHdrAddr0),
-	.kr_rcvhdrtailaddr = IPATH_KREG_OFFSET(RcvHdrTailAddr0),
-
-	/* The rcvpktled register controls one of the debug port signals, so
-	 * a packet activity LED can be connected to it. */
-	.kr_rcvpktledcnt = IPATH_KREG_OFFSET(RcvPktLEDCnt),
-	.kr_pcierbuftestreg0 = IPATH_KREG_OFFSET(PCIeRBufTestReg0),
-	.kr_pcierbuftestreg1 = IPATH_KREG_OFFSET(PCIeRBufTestReg1),
-	.kr_pcieq0serdesconfig0 = IPATH_KREG_OFFSET(PCIEQ0SerdesConfig0),
-	.kr_pcieq0serdesconfig1 = IPATH_KREG_OFFSET(PCIEQ0SerdesConfig1),
-	.kr_pcieq0serdesstatus = IPATH_KREG_OFFSET(PCIEQ0SerdesStatus),
-	.kr_pcieq1serdesconfig0 = IPATH_KREG_OFFSET(PCIEQ1SerdesConfig0),
-	.kr_pcieq1serdesconfig1 = IPATH_KREG_OFFSET(PCIEQ1SerdesConfig1),
-	.kr_pcieq1serdesstatus = IPATH_KREG_OFFSET(PCIEQ1SerdesStatus)
-};
-
-static const struct ipath_cregs ipath_pe_cregs = {
-	.cr_badformatcnt = IPATH_CREG_OFFSET(RxBadFormatCnt),
-	.cr_erricrccnt = IPATH_CREG_OFFSET(RxICRCErrCnt),
-	.cr_errlinkcnt = IPATH_CREG_OFFSET(RxLinkProblemCnt),
-	.cr_errlpcrccnt = IPATH_CREG_OFFSET(RxLPCRCErrCnt),
-	.cr_errpkey = IPATH_CREG_OFFSET(RxPKeyMismatchCnt),
-	.cr_errrcvflowctrlcnt = IPATH_CREG_OFFSET(RxFlowCtrlErrCnt),
-	.cr_err_rlencnt = IPATH_CREG_OFFSET(RxLenErrCnt),
-	.cr_errslencnt = IPATH_CREG_OFFSET(TxLenErrCnt),
-	.cr_errtidfull = IPATH_CREG_OFFSET(RxTIDFullErrCnt),
-	.cr_errtidvalid = IPATH_CREG_OFFSET(RxTIDValidErrCnt),
-	.cr_errvcrccnt = IPATH_CREG_OFFSET(RxVCRCErrCnt),
-	.cr_ibstatuschange = IPATH_CREG_OFFSET(IBStatusChangeCnt),
-	.cr_intcnt = IPATH_CREG_OFFSET(LBIntCnt),
-	.cr_invalidrlencnt = IPATH_CREG_OFFSET(RxMaxMinLenErrCnt),
-	.cr_invalidslencnt = IPATH_CREG_OFFSET(TxMaxMinLenErrCnt),
-	.cr_lbflowstallcnt = IPATH_CREG_OFFSET(LBFlowStallCnt),
-	.cr_pktrcvcnt = IPATH_CREG_OFFSET(RxDataPktCnt),
-	.cr_pktrcvflowctrlcnt = IPATH_CREG_OFFSET(RxFlowPktCnt),
-	.cr_pktsendcnt = IPATH_CREG_OFFSET(TxDataPktCnt),
-	.cr_pktsendflowcnt = IPATH_CREG_OFFSET(TxFlowPktCnt),
-	.cr_portovflcnt = IPATH_CREG_OFFSET(RxP0HdrEgrOvflCnt),
-	.cr_rcvebpcnt = IPATH_CREG_OFFSET(RxEBPCnt),
-	.cr_rcvovflcnt = IPATH_CREG_OFFSET(RxBufOvflCnt),
-	.cr_senddropped = IPATH_CREG_OFFSET(TxDroppedPktCnt),
-	.cr_sendstallcnt = IPATH_CREG_OFFSET(TxFlowStallCnt),
-	.cr_sendunderruncnt = IPATH_CREG_OFFSET(TxUnderrunCnt),
-	.cr_wordrcvcnt = IPATH_CREG_OFFSET(RxDwordCnt),
-	.cr_wordsendcnt = IPATH_CREG_OFFSET(TxDwordCnt),
-	.cr_unsupvlcnt = IPATH_CREG_OFFSET(TxUnsupVLErrCnt),
-	.cr_rxdroppktcnt = IPATH_CREG_OFFSET(RxDroppedPktCnt),
-	.cr_iblinkerrrecovcnt = IPATH_CREG_OFFSET(IBLinkErrRecoveryCnt),
-	.cr_iblinkdowncnt = IPATH_CREG_OFFSET(IBLinkDownedCnt),
-	.cr_ibsymbolerrcnt = IPATH_CREG_OFFSET(IBSymbolErrCnt)
-};
-
-/* kr_control bits */
-#define INFINIPATH_C_RESET 1U
-
-/* kr_intstatus, kr_intclear, kr_intmask bits */
-#define INFINIPATH_I_RCVURG_MASK ((1U<<5)-1)
-#define INFINIPATH_I_RCVURG_SHIFT 0
-#define INFINIPATH_I_RCVAVAIL_MASK ((1U<<5)-1)
-#define INFINIPATH_I_RCVAVAIL_SHIFT 12
-
-/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
-#define INFINIPATH_HWE_PCIEMEMPARITYERR_MASK  0x000000000000003fULL
-#define INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT 0
-#define INFINIPATH_HWE_PCIEPOISONEDTLP      0x0000000010000000ULL
-#define INFINIPATH_HWE_PCIECPLTIMEOUT       0x0000000020000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYXTLH    0x0000000040000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYXADM    0x0000000080000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYRADM    0x0000000100000000ULL
-#define INFINIPATH_HWE_COREPLL_FBSLIP       0x0080000000000000ULL
-#define INFINIPATH_HWE_COREPLL_RFSLIP       0x0100000000000000ULL
-#define INFINIPATH_HWE_PCIE1PLLFAILED       0x0400000000000000ULL
-#define INFINIPATH_HWE_PCIE0PLLFAILED       0x0800000000000000ULL
-#define INFINIPATH_HWE_SERDESPLLFAILED      0x1000000000000000ULL
-
-#define IBA6120_IBCS_LINKTRAININGSTATE_MASK 0xf
-#define IBA6120_IBCS_LINKSTATE_SHIFT 4
-
-/* kr_extstatus bits */
-#define INFINIPATH_EXTS_FREQSEL 0x2
-#define INFINIPATH_EXTS_SERDESSEL 0x4
-#define INFINIPATH_EXTS_MEMBIST_ENDTEST     0x0000000000004000
-#define INFINIPATH_EXTS_MEMBIST_FOUND       0x0000000000008000
-
-/* kr_xgxsconfig bits */
-#define INFINIPATH_XGXS_RESET          0x5ULL
-
-#define _IPATH_GPIO_SDA_NUM 1
-#define _IPATH_GPIO_SCL_NUM 0
-
-#define IPATH_GPIO_SDA (1ULL << \
-	(_IPATH_GPIO_SDA_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
-#define IPATH_GPIO_SCL (1ULL << \
-	(_IPATH_GPIO_SCL_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
-
-#define INFINIPATH_RT_BUFSIZE_MASK 0xe0000000ULL
-#define INFINIPATH_RT_BUFSIZE_SHIFTVAL(tid) \
-	((((tid) & INFINIPATH_RT_BUFSIZE_MASK) >> 29) + 11 - 1)
-#define INFINIPATH_RT_BUFSIZE(tid) (1 << INFINIPATH_RT_BUFSIZE_SHIFTVAL(tid))
-#define INFINIPATH_RT_IS_VALID(tid) \
-	(((tid) & INFINIPATH_RT_BUFSIZE_MASK) && \
-	 ((((tid) & INFINIPATH_RT_BUFSIZE_MASK) != INFINIPATH_RT_BUFSIZE_MASK)))
-#define INFINIPATH_RT_ADDR_MASK 0x1FFFFFFFULL /* 29 bits valid */
-#define INFINIPATH_RT_ADDR_SHIFT 10
-
-#define INFINIPATH_R_INTRAVAIL_SHIFT 16
-#define INFINIPATH_R_TAILUPD_SHIFT 31
-
-/* 6120 specific hardware errors... */
-static const struct ipath_hwerror_msgs ipath_6120_hwerror_msgs[] = {
-	INFINIPATH_HWE_MSG(PCIEPOISONEDTLP, "PCIe Poisoned TLP"),
-	INFINIPATH_HWE_MSG(PCIECPLTIMEOUT, "PCIe completion timeout"),
-	/*
-	 * In practice, it's unlikely wthat we'll see PCIe PLL, or bus
-	 * parity or memory parity error failures, because most likely we
-	 * won't be able to talk to the core of the chip.  Nonetheless, we
-	 * might see them, if they are in parts of the PCIe core that aren't
-	 * essential.
-	 */
-	INFINIPATH_HWE_MSG(PCIE1PLLFAILED, "PCIePLL1"),
-	INFINIPATH_HWE_MSG(PCIE0PLLFAILED, "PCIePLL0"),
-	INFINIPATH_HWE_MSG(PCIEBUSPARITYXTLH, "PCIe XTLH core parity"),
-	INFINIPATH_HWE_MSG(PCIEBUSPARITYXADM, "PCIe ADM TX core parity"),
-	INFINIPATH_HWE_MSG(PCIEBUSPARITYRADM, "PCIe ADM RX core parity"),
-	INFINIPATH_HWE_MSG(RXDSYNCMEMPARITYERR, "Rx Dsync"),
-	INFINIPATH_HWE_MSG(SERDESPLLFAILED, "SerDes PLL"),
-};
-
-#define TXE_PIO_PARITY ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF | \
-		        INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC) \
-		        << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT)
-#define RXE_EAGER_PARITY (INFINIPATH_HWE_RXEMEMPARITYERR_EAGERTID \
-			  << INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT)
-
-static void ipath_pe_put_tid_2(struct ipath_devdata *, u64 __iomem *,
-			       u32, unsigned long);
-
-/*
- * On platforms using this chip, and not having ordered WC stores, we
- * can get TXE parity errors due to speculative reads to the PIO buffers,
- * and this, due to a chip bug can result in (many) false parity error
- * reports.  So it's a debug print on those, and an info print on systems
- * where the speculative reads don't occur.
- */
-static void ipath_pe_txe_recover(struct ipath_devdata *dd)
-{
-	if (ipath_unordered_wc())
-		ipath_dbg("Recovering from TXE PIO parity error\n");
-	else {
-		++ipath_stats.sps_txeparity;
-		dev_info(&dd->pcidev->dev,
-			"Recovering from TXE PIO parity error\n");
-	}
-}
-
-
-/**
- * ipath_pe_handle_hwerrors - display hardware errors.
- * @dd: the infinipath device
- * @msg: the output buffer
- * @msgl: the size of the output buffer
- *
- * Use same msg buffer as regular errors to avoid excessive stack
- * use.  Most hardware errors are catastrophic, but for right now,
- * we'll print them and continue.  We reuse the same message buffer as
- * ipath_handle_errors() to avoid excessive stack usage.
- */
-static void ipath_pe_handle_hwerrors(struct ipath_devdata *dd, char *msg,
-				     size_t msgl)
-{
-	ipath_err_t hwerrs;
-	u32 bits, ctrl;
-	int isfatal = 0;
-	char bitsmsg[64];
-	int log_idx;
-
-	hwerrs = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus);
-	if (!hwerrs) {
-		/*
-		 * better than printing cofusing messages
-		 * This seems to be related to clearing the crc error, or
-		 * the pll error during init.
-		 */
-		ipath_cdbg(VERBOSE, "Called but no hardware errors set\n");
-		return;
-	} else if (hwerrs == ~0ULL) {
-		ipath_dev_err(dd, "Read of hardware error status failed "
-			      "(all bits set); ignoring\n");
-		return;
-	}
-	ipath_stats.sps_hwerrs++;
-
-	/* Always clear the error status register, except MEMBISTFAIL,
-	 * regardless of whether we continue or stop using the chip.
-	 * We want that set so we know it failed, even across driver reload.
-	 * We'll still ignore it in the hwerrmask.  We do this partly for
-	 * diagnostics, but also for support */
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
-			 hwerrs&~INFINIPATH_HWE_MEMBISTFAILED);
-
-	hwerrs &= dd->ipath_hwerrmask;
-
-	/* We log some errors to EEPROM, check if we have any of those. */
-	for (log_idx = 0; log_idx < IPATH_EEP_LOG_CNT; ++log_idx)
-		if (hwerrs & dd->ipath_eep_st_masks[log_idx].hwerrs_to_log)
-			ipath_inc_eeprom_err(dd, log_idx, 1);
-
-	/*
-	 * make sure we get this much out, unless told to be quiet,
-	 * or it's occurred within the last 5 seconds
-	 */
-	if ((hwerrs & ~(dd->ipath_lasthwerror | TXE_PIO_PARITY |
-			RXE_EAGER_PARITY)) ||
-	    (ipath_debug & __IPATH_VERBDBG))
-		dev_info(&dd->pcidev->dev, "Hardware error: hwerr=0x%llx "
-			 "(cleared)\n", (unsigned long long) hwerrs);
-	dd->ipath_lasthwerror |= hwerrs;
-
-	if (hwerrs & ~dd->ipath_hwe_bitsextant)
-		ipath_dev_err(dd, "hwerror interrupt with unknown errors "
-			      "%llx set\n", (unsigned long long)
-			      (hwerrs & ~dd->ipath_hwe_bitsextant));
-
-	ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
-	if ((ctrl & INFINIPATH_C_FREEZEMODE) && !ipath_diag_inuse) {
-		/*
-		 * parity errors in send memory are recoverable,
-		 * just cancel the send (if indicated in * sendbuffererror),
-		 * count the occurrence, unfreeze (if no other handled
-		 * hardware error bits are set), and continue. They can
-		 * occur if a processor speculative read is done to the PIO
-		 * buffer while we are sending a packet, for example.
-		 */
-		if (hwerrs & TXE_PIO_PARITY) {
-			ipath_pe_txe_recover(dd);
-			hwerrs &= ~TXE_PIO_PARITY;
-		}
-		if (!hwerrs) {
-			static u32 freeze_cnt;
-
-			freeze_cnt++;
-			ipath_dbg("Clearing freezemode on ignored or recovered "
-				  "hardware error (%u)\n", freeze_cnt);
-			ipath_clear_freeze(dd);
-		}
-	}
-
-	*msg = '\0';
-
-	if (hwerrs & INFINIPATH_HWE_MEMBISTFAILED) {
-		strlcat(msg, "[Memory BIST test failed, InfiniPath hardware unusable]",
-			msgl);
-		/* ignore from now on, so disable until driver reloaded */
-		*dd->ipath_statusp |= IPATH_STATUS_HWERROR;
-		dd->ipath_hwerrmask &= ~INFINIPATH_HWE_MEMBISTFAILED;
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-				 dd->ipath_hwerrmask);
-	}
-
-	ipath_format_hwerrors(hwerrs,
-			      ipath_6120_hwerror_msgs,
-			      sizeof(ipath_6120_hwerror_msgs)/
-			      sizeof(ipath_6120_hwerror_msgs[0]),
-			      msg, msgl);
-
-	if (hwerrs & (INFINIPATH_HWE_PCIEMEMPARITYERR_MASK
-		      << INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT)) {
-		bits = (u32) ((hwerrs >>
-			       INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT) &
-			      INFINIPATH_HWE_PCIEMEMPARITYERR_MASK);
-		snprintf(bitsmsg, sizeof bitsmsg,
-			 "[PCIe Mem Parity Errs %x] ", bits);
-		strlcat(msg, bitsmsg, msgl);
-	}
-
-#define _IPATH_PLL_FAIL (INFINIPATH_HWE_COREPLL_FBSLIP |	\
-			 INFINIPATH_HWE_COREPLL_RFSLIP )
-
-	if (hwerrs & _IPATH_PLL_FAIL) {
-		snprintf(bitsmsg, sizeof bitsmsg,
-			 "[PLL failed (%llx), InfiniPath hardware unusable]",
-			 (unsigned long long) hwerrs & _IPATH_PLL_FAIL);
-		strlcat(msg, bitsmsg, msgl);
-		/* ignore from now on, so disable until driver reloaded */
-		dd->ipath_hwerrmask &= ~(hwerrs & _IPATH_PLL_FAIL);
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-				 dd->ipath_hwerrmask);
-	}
-
-	if (hwerrs & INFINIPATH_HWE_SERDESPLLFAILED) {
-		/*
-		 * If it occurs, it is left masked since the external
-		 * interface is unused
-		 */
-		dd->ipath_hwerrmask &= ~INFINIPATH_HWE_SERDESPLLFAILED;
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-				 dd->ipath_hwerrmask);
-	}
-
-	if (hwerrs) {
-		/*
-		 * if any set that we aren't ignoring; only
-		 * make the complaint once, in case it's stuck
-		 * or recurring, and we get here multiple
-		 * times.
-		 */
-		ipath_dev_err(dd, "%s hardware error\n", msg);
-		if (dd->ipath_flags & IPATH_INITTED) {
-			ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
-			ipath_setup_pe_setextled(dd,
-				INFINIPATH_IBCS_L_STATE_DOWN,
-				INFINIPATH_IBCS_LT_STATE_DISABLED);
-			ipath_dev_err(dd, "Fatal Hardware Error (freeze "
-					  "mode), no longer usable, SN %.16s\n",
-					  dd->ipath_serial);
-			isfatal = 1;
-		}
-		*dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
-		/* mark as having had error */
-		*dd->ipath_statusp |= IPATH_STATUS_HWERROR;
-		/*
-		 * mark as not usable, at a minimum until driver
-		 * is reloaded, probably until reboot, since no
-		 * other reset is possible.
-		 */
-		dd->ipath_flags &= ~IPATH_INITTED;
-	} else
-		*msg = 0; /* recovered from all of them */
-
-	if (isfatal && !ipath_diag_inuse && dd->ipath_freezemsg && msg) {
-		/*
-		 * for /sys status file ; if no trailing brace is copied,
-		 * we'll know it was truncated.
-		 */
-		snprintf(dd->ipath_freezemsg, dd->ipath_freezelen,
-			 "{%s}", msg);
-	}
-}
-
-/**
- * ipath_pe_boardname - fill in the board name
- * @dd: the infinipath device
- * @name: the output buffer
- * @namelen: the size of the output buffer
- *
- * info is based on the board revision register
- */
-static int ipath_pe_boardname(struct ipath_devdata *dd, char *name,
-			      size_t namelen)
-{
-	char *n = NULL;
-	u8 boardrev = dd->ipath_boardrev;
-	int ret;
-
-	switch (boardrev) {
-	case 0:
-		n = "InfiniPath_Emulation";
-		break;
-	case 1:
-		n = "InfiniPath_QLE7140-Bringup";
-		break;
-	case 2:
-		n = "InfiniPath_QLE7140";
-		break;
-	case 3:
-		n = "InfiniPath_QMI7140";
-		break;
-	case 4:
-		n = "InfiniPath_QEM7140";
-		break;
-	case 5:
-		n = "InfiniPath_QMH7140";
-		break;
-	case 6:
-		n = "InfiniPath_QLE7142";
-		break;
-	default:
-		ipath_dev_err(dd,
-			      "Don't yet know about board with ID %u\n",
-			      boardrev);
-		snprintf(name, namelen, "Unknown_InfiniPath_PCIe_%u",
-			 boardrev);
-		break;
-	}
-	if (n)
-		snprintf(name, namelen, "%s", n);
-
-	if (dd->ipath_majrev != 4 || !dd->ipath_minrev || dd->ipath_minrev>2) {
-		ipath_dev_err(dd, "Unsupported InfiniPath hardware revision %u.%u!\n",
-			      dd->ipath_majrev, dd->ipath_minrev);
-		ret = 1;
-	} else {
-		ret = 0;
-		if (dd->ipath_minrev >= 2)
-			dd->ipath_f_put_tid = ipath_pe_put_tid_2;
-	}
-
-	/*
-	 * set here, not in ipath_init_*_funcs because we have to do
-	 * it after we can read chip registers.
-	 */
-	dd->ipath_ureg_align =
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_pagealign);
-
-	return ret;
-}
-
-/**
- * ipath_pe_init_hwerrors - enable hardware errors
- * @dd: the infinipath device
- *
- * now that we have finished initializing everything that might reasonably
- * cause a hardware error, and cleared those errors bits as they occur,
- * we can enable hardware errors in the mask (potentially enabling
- * freeze mode), and enable hardware errors as errors (along with
- * everything else) in errormask
- */
-static void ipath_pe_init_hwerrors(struct ipath_devdata *dd)
-{
-	ipath_err_t val;
-	u64 extsval;
-
-	extsval = ipath_read_kreg64(dd, dd->ipath_kregs->kr_extstatus);
-
-	if (!(extsval & INFINIPATH_EXTS_MEMBIST_ENDTEST))
-		ipath_dev_err(dd, "MemBIST did not complete!\n");
-	if (extsval & INFINIPATH_EXTS_MEMBIST_FOUND)
-		ipath_dbg("MemBIST corrected\n");
-
-	val = ~0ULL;	/* barring bugs, all hwerrors become interrupts, */
-
-	if (!dd->ipath_boardrev)	// no PLL for Emulator
-		val &= ~INFINIPATH_HWE_SERDESPLLFAILED;
-
-	if (dd->ipath_minrev < 2) {
-		/* workaround bug 9460 in internal interface bus parity
-		 * checking. Fixed (HW bug 9490) in Rev2.
-		 */
-		val &= ~INFINIPATH_HWE_PCIEBUSPARITYRADM;
-	}
-	dd->ipath_hwerrmask = val;
-}
-
-/**
- * ipath_pe_bringup_serdes - bring up the serdes
- * @dd: the infinipath device
- */
-static int ipath_pe_bringup_serdes(struct ipath_devdata *dd)
-{
-	u64 val, config1, prev_val;
-	int ret = 0;
-
-	ipath_dbg("Trying to bringup serdes\n");
-
-	if (ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus) &
-	    INFINIPATH_HWE_SERDESPLLFAILED) {
-		ipath_dbg("At start, serdes PLL failed bit set "
-			  "in hwerrstatus, clearing and continuing\n");
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
-				 INFINIPATH_HWE_SERDESPLLFAILED);
-	}
-
-	dd->ibdeltainprog = 1;
-	dd->ibsymsnap =
-	     ipath_read_creg32(dd, dd->ipath_cregs->cr_ibsymbolerrcnt);
-	dd->iblnkerrsnap =
-	     ipath_read_creg32(dd, dd->ipath_cregs->cr_iblinkerrrecovcnt);
-
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_serdesconfig0);
-	config1 = ipath_read_kreg64(dd, dd->ipath_kregs->kr_serdesconfig1);
-
-	ipath_cdbg(VERBOSE, "SerDes status config0=%llx config1=%llx, "
-		   "xgxsconfig %llx\n", (unsigned long long) val,
-		   (unsigned long long) config1, (unsigned long long)
-		   ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
-
-	/*
-	 * Force reset on, also set rxdetect enable.  Must do before reading
-	 * serdesstatus at least for simulation, or some of the bits in
-	 * serdes status will come back as undefined and cause simulation
-	 * failures
-	 */
-	val |= INFINIPATH_SERDC0_RESET_PLL | INFINIPATH_SERDC0_RXDETECT_EN
-		| INFINIPATH_SERDC0_L1PWR_DN;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_serdesconfig0, val);
-	/* be sure chip saw it */
-	ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
-	udelay(5);		/* need pll reset set at least for a bit */
-	/*
-	 * after PLL is reset, set the per-lane Resets and TxIdle and
-	 * clear the PLL reset and rxdetect (to get falling edge).
-	 * Leave L1PWR bits set (permanently)
-	 */
-	val &= ~(INFINIPATH_SERDC0_RXDETECT_EN | INFINIPATH_SERDC0_RESET_PLL
-		 | INFINIPATH_SERDC0_L1PWR_DN);
-	val |= INFINIPATH_SERDC0_RESET_MASK | INFINIPATH_SERDC0_TXIDLE;
-	ipath_cdbg(VERBOSE, "Clearing pll reset and setting lane resets "
-		   "and txidle (%llx)\n", (unsigned long long) val);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_serdesconfig0, val);
-	/* be sure chip saw it */
-	ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
-	/* need PLL reset clear for at least 11 usec before lane
-	 * resets cleared; give it a few more to be sure */
-	udelay(15);
-	val &= ~(INFINIPATH_SERDC0_RESET_MASK | INFINIPATH_SERDC0_TXIDLE);
-
-	ipath_cdbg(VERBOSE, "Clearing lane resets and txidle "
-		   "(writing %llx)\n", (unsigned long long) val);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_serdesconfig0, val);
-	/* be sure chip saw it */
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
-
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
-	prev_val = val;
-	if (val & INFINIPATH_XGXS_RESET)
-		val &= ~INFINIPATH_XGXS_RESET;
-	if (((val >> INFINIPATH_XGXS_RX_POL_SHIFT) &
-	     INFINIPATH_XGXS_RX_POL_MASK) != dd->ipath_rx_pol_inv ) {
-		/* need to compensate for Tx inversion in partner */
-		val &= ~(INFINIPATH_XGXS_RX_POL_MASK <<
-		         INFINIPATH_XGXS_RX_POL_SHIFT);
-		val |= dd->ipath_rx_pol_inv <<
-			INFINIPATH_XGXS_RX_POL_SHIFT;
-	}
-	if (val != prev_val)
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
-
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_serdesconfig0);
-
-	/* clear current and de-emphasis bits */
-	config1 &= ~0x0ffffffff00ULL;
-	/* set current to 20ma */
-	config1 |= 0x00000000000ULL;
-	/* set de-emphasis to -5.68dB */
-	config1 |= 0x0cccc000000ULL;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_serdesconfig1, config1);
-
-	ipath_cdbg(VERBOSE, "done: SerDes status config0=%llx "
-		   "config1=%llx, sstatus=%llx xgxs=%llx\n",
-		   (unsigned long long) val, (unsigned long long) config1,
-		   (unsigned long long)
-		   ipath_read_kreg64(dd, dd->ipath_kregs->kr_serdesstatus),
-		   (unsigned long long)
-		   ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
-
-	return ret;
-}
-
-/**
- * ipath_pe_quiet_serdes - set serdes to txidle
- * @dd: the infinipath device
- * Called when driver is being unloaded
- */
-static void ipath_pe_quiet_serdes(struct ipath_devdata *dd)
-{
-	u64 val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_serdesconfig0);
-
-	if (dd->ibsymdelta || dd->iblnkerrdelta ||
-	    dd->ibdeltainprog) {
-		u64 diagc;
-		/* enable counter writes */
-		diagc = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwdiagctrl);
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwdiagctrl,
-				 diagc | INFINIPATH_DC_COUNTERWREN);
-
-		if (dd->ibsymdelta || dd->ibdeltainprog) {
-			val = ipath_read_creg32(dd,
-					dd->ipath_cregs->cr_ibsymbolerrcnt);
-			if (dd->ibdeltainprog)
-				val -= val - dd->ibsymsnap;
-			val -= dd->ibsymdelta;
-			ipath_write_creg(dd,
-				  dd->ipath_cregs->cr_ibsymbolerrcnt, val);
-		}
-		if (dd->iblnkerrdelta || dd->ibdeltainprog) {
-			val = ipath_read_creg32(dd,
-					dd->ipath_cregs->cr_iblinkerrrecovcnt);
-			if (dd->ibdeltainprog)
-				val -= val - dd->iblnkerrsnap;
-			val -= dd->iblnkerrdelta;
-			ipath_write_creg(dd,
-				   dd->ipath_cregs->cr_iblinkerrrecovcnt, val);
-	     }
-
-	     /* and disable counter writes */
-	     ipath_write_kreg(dd, dd->ipath_kregs->kr_hwdiagctrl, diagc);
-	}
-	val |= INFINIPATH_SERDC0_TXIDLE;
-	ipath_dbg("Setting TxIdleEn on serdes (config0 = %llx)\n",
-		  (unsigned long long) val);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_serdesconfig0, val);
-}
-
-static int ipath_pe_intconfig(struct ipath_devdata *dd)
-{
-	u32 chiprev;
-
-	/*
-	 * If the chip supports added error indication via GPIO pins,
-	 * enable interrupts on those bits so the interrupt routine
-	 * can count the events. Also set flag so interrupt routine
-	 * can know they are expected.
-	 */
-	chiprev = dd->ipath_revision >> INFINIPATH_R_CHIPREVMINOR_SHIFT;
-	if ((chiprev & INFINIPATH_R_CHIPREVMINOR_MASK) > 1) {
-		/* Rev2+ reports extra errors via internal GPIO pins */
-		dd->ipath_flags |= IPATH_GPIO_ERRINTRS;
-		dd->ipath_gpio_mask |= IPATH_GPIO_ERRINTR_MASK;
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_mask,
-				 dd->ipath_gpio_mask);
-	}
-	return 0;
-}
-
-/**
- * ipath_setup_pe_setextled - set the state of the two external LEDs
- * @dd: the infinipath device
- * @lst: the L state
- * @ltst: the LT state
-
- * These LEDs indicate the physical and logical state of IB link.
- * For this chip (at least with recommended board pinouts), LED1
- * is Yellow (logical state) and LED2 is Green (physical state),
- *
- * Note:  We try to match the Mellanox HCA LED behavior as best
- * we can.  Green indicates physical link state is OK (something is
- * plugged in, and we can train).
- * Amber indicates the link is logically up (ACTIVE).
- * Mellanox further blinks the amber LED to indicate data packet
- * activity, but we have no hardware support for that, so it would
- * require waking up every 10-20 msecs and checking the counters
- * on the chip, and then turning the LED off if appropriate.  That's
- * visible overhead, so not something we will do.
- *
- */
-static void ipath_setup_pe_setextled(struct ipath_devdata *dd, u64 lst,
-				     u64 ltst)
-{
-	u64 extctl;
-	unsigned long flags = 0;
-
-	/* the diags use the LED to indicate diag info, so we leave
-	 * the external LED alone when the diags are running */
-	if (ipath_diag_inuse)
-		return;
-
-	/* Allow override of LED display for, e.g. Locating system in rack */
-	if (dd->ipath_led_override) {
-		ltst = (dd->ipath_led_override & IPATH_LED_PHYS)
-			? INFINIPATH_IBCS_LT_STATE_LINKUP
-			: INFINIPATH_IBCS_LT_STATE_DISABLED;
-		lst = (dd->ipath_led_override & IPATH_LED_LOG)
-			? INFINIPATH_IBCS_L_STATE_ACTIVE
-			: INFINIPATH_IBCS_L_STATE_DOWN;
-	}
-
-	spin_lock_irqsave(&dd->ipath_gpio_lock, flags);
-	extctl = dd->ipath_extctrl & ~(INFINIPATH_EXTC_LED1PRIPORT_ON |
-				       INFINIPATH_EXTC_LED2PRIPORT_ON);
-
-	if (ltst == INFINIPATH_IBCS_LT_STATE_LINKUP)
-		extctl |= INFINIPATH_EXTC_LED2PRIPORT_ON;
-	if (lst == INFINIPATH_IBCS_L_STATE_ACTIVE)
-		extctl |= INFINIPATH_EXTC_LED1PRIPORT_ON;
-	dd->ipath_extctrl = extctl;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_extctrl, extctl);
-	spin_unlock_irqrestore(&dd->ipath_gpio_lock, flags);
-}
-
-/**
- * ipath_setup_pe_cleanup - clean up any per-chip chip-specific stuff
- * @dd: the infinipath device
- *
- * This is called during driver unload.
- * We do the pci_disable_msi here, not in generic code, because it
- * isn't used for the HT chips. If we do end up needing pci_enable_msi
- * at some point in the future for HT, we'll move the call back
- * into the main init_one code.
- */
-static void ipath_setup_pe_cleanup(struct ipath_devdata *dd)
-{
-	dd->ipath_msi_lo = 0;	/* just in case unload fails */
-	pci_disable_msi(dd->pcidev);
-}
-
-static void ipath_6120_pcie_params(struct ipath_devdata *dd)
-{
-	u16 linkstat, speed;
-	int pos;
-
-	pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_EXP);
-	if (!pos) {
-		ipath_dev_err(dd, "Can't find PCI Express capability!\n");
-		goto bail;
-	}
-
-	pci_read_config_word(dd->pcidev, pos + PCI_EXP_LNKSTA,
-			     &linkstat);
-	/*
-	 * speed is bits 0-4, linkwidth is bits 4-8
-	 * no defines for them in headers
-	 */
-	speed = linkstat & 0xf;
-	linkstat >>= 4;
-	linkstat &= 0x1f;
-	dd->ipath_lbus_width = linkstat;
-
-	switch (speed) {
-	case 1:
-		dd->ipath_lbus_speed = 2500; /* Gen1, 2.5GHz */
-		break;
-	case 2:
-		dd->ipath_lbus_speed = 5000; /* Gen1, 5GHz */
-		break;
-	default: /* not defined, assume gen1 */
-		dd->ipath_lbus_speed = 2500;
-		break;
-	}
-
-	if (linkstat < 8)
-		ipath_dev_err(dd,
-			"PCIe width %u (x8 HCA), performance reduced\n",
-			linkstat);
-	else
-		ipath_cdbg(VERBOSE, "PCIe speed %u width %u (x8 HCA)\n",
-			dd->ipath_lbus_speed, linkstat);
-
-	if (speed != 1)
-		ipath_dev_err(dd,
-			"PCIe linkspeed %u is incorrect; "
-			"should be 1 (2500)!\n", speed);
-bail:
-	/* fill in string, even on errors */
-	snprintf(dd->ipath_lbus_info, sizeof(dd->ipath_lbus_info),
-		"PCIe,%uMHz,x%u\n",
-		dd->ipath_lbus_speed,
-		dd->ipath_lbus_width);
-
-	return;
-}
-
-/**
- * ipath_setup_pe_config - setup PCIe config related stuff
- * @dd: the infinipath device
- * @pdev: the PCI device
- *
- * The pci_enable_msi() call will fail on systems with MSI quirks
- * such as those with AMD8131, even if the device of interest is not
- * attached to that device, (in the 2.6.13 - 2.6.15 kernels, at least, fixed
- * late in 2.6.16).
- * All that can be done is to edit the kernel source to remove the quirk
- * check until that is fixed.
- * We do not need to call enable_msi() for our HyperTransport chip,
- * even though it uses MSI, and we want to avoid the quirk warning, so
- * So we call enable_msi only for PCIe.  If we do end up needing
- * pci_enable_msi at some point in the future for HT, we'll move the
- * call back into the main init_one code.
- * We save the msi lo and hi values, so we can restore them after
- * chip reset (the kernel PCI infrastructure doesn't yet handle that
- * correctly).
- */
-static int ipath_setup_pe_config(struct ipath_devdata *dd,
-				 struct pci_dev *pdev)
-{
-	int pos, ret;
-
-	dd->ipath_msi_lo = 0;	/* used as a flag during reset processing */
-	ret = pci_enable_msi(dd->pcidev);
-	if (ret)
-		ipath_dev_err(dd, "pci_enable_msi failed: %d, "
-			      "interrupts may not work\n", ret);
-	/* continue even if it fails, we may still be OK... */
-	dd->ipath_irq = pdev->irq;
-
-	if ((pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSI))) {
-		u16 control;
-		pci_read_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_LO,
-				      &dd->ipath_msi_lo);
-		pci_read_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_HI,
-				      &dd->ipath_msi_hi);
-		pci_read_config_word(dd->pcidev, pos + PCI_MSI_FLAGS,
-				     &control);
-		/* now save the data (vector) info */
-		pci_read_config_word(dd->pcidev,
-				     pos + ((control & PCI_MSI_FLAGS_64BIT)
-					    ? 12 : 8),
-				     &dd->ipath_msi_data);
-		ipath_cdbg(VERBOSE, "Read msi data 0x%x from config offset "
-			   "0x%x, control=0x%x\n", dd->ipath_msi_data,
-			   pos + ((control & PCI_MSI_FLAGS_64BIT) ? 12 : 8),
-			   control);
-		/* we save the cachelinesize also, although it doesn't
-		 * really matter */
-		pci_read_config_byte(dd->pcidev, PCI_CACHE_LINE_SIZE,
-				     &dd->ipath_pci_cacheline);
-	} else
-		ipath_dev_err(dd, "Can't find MSI capability, "
-			      "can't save MSI settings for reset\n");
-
-	ipath_6120_pcie_params(dd);
-
-	dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
-	dd->ipath_link_speed_supported = IPATH_IB_SDR;
-	dd->ipath_link_width_enabled = IB_WIDTH_4X;
-	dd->ipath_link_speed_enabled = dd->ipath_link_speed_supported;
-	/* these can't change for this chip, so set once */
-	dd->ipath_link_width_active = dd->ipath_link_width_enabled;
-	dd->ipath_link_speed_active = dd->ipath_link_speed_enabled;
-	return 0;
-}
-
-static void ipath_init_pe_variables(struct ipath_devdata *dd)
-{
-	/*
-	 * setup the register offsets, since they are different for each
-	 * chip
-	 */
-	dd->ipath_kregs = &ipath_pe_kregs;
-	dd->ipath_cregs = &ipath_pe_cregs;
-
-	/*
-	 * bits for selecting i2c direction and values,
-	 * used for I2C serial flash
-	 */
-	dd->ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
-	dd->ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
-	dd->ipath_gpio_sda = IPATH_GPIO_SDA;
-	dd->ipath_gpio_scl = IPATH_GPIO_SCL;
-
-	/*
-	 * Fill in data for field-values that change in newer chips.
-	 * We dynamically specify only the mask for LINKTRAININGSTATE
-	 * and only the shift for LINKSTATE, as they are the only ones
-	 * that change.  Also precalculate the 3 link states of interest
-	 * and the combined mask.
-	 */
-	dd->ibcs_ls_shift = IBA6120_IBCS_LINKSTATE_SHIFT;
-	dd->ibcs_lts_mask = IBA6120_IBCS_LINKTRAININGSTATE_MASK;
-	dd->ibcs_mask = (INFINIPATH_IBCS_LINKSTATE_MASK <<
-		dd->ibcs_ls_shift) | dd->ibcs_lts_mask;
-	dd->ib_init = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
-		INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
-		(INFINIPATH_IBCS_L_STATE_INIT << dd->ibcs_ls_shift);
-	dd->ib_arm = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
-		INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
-		(INFINIPATH_IBCS_L_STATE_ARM << dd->ibcs_ls_shift);
-	dd->ib_active = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
-		INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
-		(INFINIPATH_IBCS_L_STATE_ACTIVE << dd->ibcs_ls_shift);
-
-	/*
-	 * Fill in data for ibcc field-values that change in newer chips.
-	 * We dynamically specify only the mask for LINKINITCMD
-	 * and only the shift for LINKCMD and MAXPKTLEN, as they are
-	 * the only ones that change.
-	 */
-	dd->ibcc_lic_mask = INFINIPATH_IBCC_LINKINITCMD_MASK;
-	dd->ibcc_lc_shift = INFINIPATH_IBCC_LINKCMD_SHIFT;
-	dd->ibcc_mpl_shift = INFINIPATH_IBCC_MAXPKTLEN_SHIFT;
-
-	/* Fill in shifts for RcvCtrl. */
-	dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT;
-	dd->ipath_r_intravail_shift = INFINIPATH_R_INTRAVAIL_SHIFT;
-	dd->ipath_r_tailupd_shift = INFINIPATH_R_TAILUPD_SHIFT;
-	dd->ipath_r_portcfg_shift = 0; /* Not on IBA6120 */
-
-	/* variables for sanity checking interrupt and errors */
-	dd->ipath_hwe_bitsextant =
-		(INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
-		 INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT) |
-		(INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
-		 INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT) |
-		(INFINIPATH_HWE_PCIEMEMPARITYERR_MASK <<
-		 INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT) |
-		INFINIPATH_HWE_PCIE1PLLFAILED |
-		INFINIPATH_HWE_PCIE0PLLFAILED |
-		INFINIPATH_HWE_PCIEPOISONEDTLP |
-		INFINIPATH_HWE_PCIECPLTIMEOUT |
-		INFINIPATH_HWE_PCIEBUSPARITYXTLH |
-		INFINIPATH_HWE_PCIEBUSPARITYXADM |
-		INFINIPATH_HWE_PCIEBUSPARITYRADM |
-		INFINIPATH_HWE_MEMBISTFAILED |
-		INFINIPATH_HWE_COREPLL_FBSLIP |
-		INFINIPATH_HWE_COREPLL_RFSLIP |
-		INFINIPATH_HWE_SERDESPLLFAILED |
-		INFINIPATH_HWE_IBCBUSTOSPCPARITYERR |
-		INFINIPATH_HWE_IBCBUSFRSPCPARITYERR;
-	dd->ipath_i_bitsextant =
-		(INFINIPATH_I_RCVURG_MASK << INFINIPATH_I_RCVURG_SHIFT) |
-		(INFINIPATH_I_RCVAVAIL_MASK <<
-		 INFINIPATH_I_RCVAVAIL_SHIFT) |
-		INFINIPATH_I_ERROR | INFINIPATH_I_SPIOSENT |
-		INFINIPATH_I_SPIOBUFAVAIL | INFINIPATH_I_GPIO;
-	dd->ipath_e_bitsextant =
-		INFINIPATH_E_RFORMATERR | INFINIPATH_E_RVCRC |
-		INFINIPATH_E_RICRC | INFINIPATH_E_RMINPKTLEN |
-		INFINIPATH_E_RMAXPKTLEN | INFINIPATH_E_RLONGPKTLEN |
-		INFINIPATH_E_RSHORTPKTLEN | INFINIPATH_E_RUNEXPCHAR |
-		INFINIPATH_E_RUNSUPVL | INFINIPATH_E_REBP |
-		INFINIPATH_E_RIBFLOW | INFINIPATH_E_RBADVERSION |
-		INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
-		INFINIPATH_E_RBADTID | INFINIPATH_E_RHDRLEN |
-		INFINIPATH_E_RHDR | INFINIPATH_E_RIBLOSTLINK |
-		INFINIPATH_E_SMINPKTLEN | INFINIPATH_E_SMAXPKTLEN |
-		INFINIPATH_E_SUNDERRUN | INFINIPATH_E_SPKTLEN |
-		INFINIPATH_E_SDROPPEDSMPPKT | INFINIPATH_E_SDROPPEDDATAPKT |
-		INFINIPATH_E_SPIOARMLAUNCH | INFINIPATH_E_SUNEXPERRPKTNUM |
-		INFINIPATH_E_SUNSUPVL | INFINIPATH_E_IBSTATUSCHANGED |
-		INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET |
-		INFINIPATH_E_HARDWARE;
-
-	dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
-	dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
-	dd->ipath_i_rcvavail_shift = INFINIPATH_I_RCVAVAIL_SHIFT;
-	dd->ipath_i_rcvurg_shift = INFINIPATH_I_RCVURG_SHIFT;
-
-	/*
-	 * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
-	 * 2 is Some Misc, 3 is reserved for future.
-	 */
-	dd->ipath_eep_st_masks[0].hwerrs_to_log =
-		INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
-		INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT;
-
-	/* Ignore errors in PIO/PBC on systems with unordered write-combining */
-	if (ipath_unordered_wc())
-		dd->ipath_eep_st_masks[0].hwerrs_to_log &= ~TXE_PIO_PARITY;
-
-	dd->ipath_eep_st_masks[1].hwerrs_to_log =
-		INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
-		INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT;
-
-	dd->ipath_eep_st_masks[2].errs_to_log = INFINIPATH_E_RESET;
-	dd->delay_mult = 2; /* SDR, 4X, can't change */
-}
-
-/* setup the MSI stuff again after a reset.  I'd like to just call
- * pci_enable_msi() and request_irq() again, but when I do that,
- * the MSI enable bit doesn't get set in the command word, and
- * we switch to to a different interrupt vector, which is confusing,
- * so I instead just do it all inline.  Perhaps somehow can tie this
- * into the PCIe hotplug support at some point
- * Note, because I'm doing it all here, I don't call pci_disable_msi()
- * or free_irq() at the start of ipath_setup_pe_reset().
- */
-static int ipath_reinit_msi(struct ipath_devdata *dd)
-{
-	int pos;
-	u16 control;
-	int ret;
-
-	if (!dd->ipath_msi_lo) {
-		dev_info(&dd->pcidev->dev, "Can't restore MSI config, "
-			 "initial setup failed?\n");
-		ret = 0;
-		goto bail;
-	}
-
-	if (!(pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSI))) {
-		ipath_dev_err(dd, "Can't find MSI capability, "
-			      "can't restore MSI settings\n");
-		ret = 0;
-		goto bail;
-	}
-	ipath_cdbg(VERBOSE, "Writing msi_lo 0x%x to config offset 0x%x\n",
-		   dd->ipath_msi_lo, pos + PCI_MSI_ADDRESS_LO);
-	pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_LO,
-			       dd->ipath_msi_lo);
-	ipath_cdbg(VERBOSE, "Writing msi_lo 0x%x to config offset 0x%x\n",
-		   dd->ipath_msi_hi, pos + PCI_MSI_ADDRESS_HI);
-	pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_HI,
-			       dd->ipath_msi_hi);
-	pci_read_config_word(dd->pcidev, pos + PCI_MSI_FLAGS, &control);
-	if (!(control & PCI_MSI_FLAGS_ENABLE)) {
-		ipath_cdbg(VERBOSE, "MSI control at off %x was %x, "
-			   "setting MSI enable (%x)\n", pos + PCI_MSI_FLAGS,
-			   control, control | PCI_MSI_FLAGS_ENABLE);
-		control |= PCI_MSI_FLAGS_ENABLE;
-		pci_write_config_word(dd->pcidev, pos + PCI_MSI_FLAGS,
-				      control);
-	}
-	/* now rewrite the data (vector) info */
-	pci_write_config_word(dd->pcidev, pos +
-			      ((control & PCI_MSI_FLAGS_64BIT) ? 12 : 8),
-			      dd->ipath_msi_data);
-	/* we restore the cachelinesize also, although it doesn't really
-	 * matter */
-	pci_write_config_byte(dd->pcidev, PCI_CACHE_LINE_SIZE,
-			      dd->ipath_pci_cacheline);
-	/* and now set the pci master bit again */
-	pci_set_master(dd->pcidev);
-	ret = 1;
-
-bail:
-	return ret;
-}
-
-/* This routine sleeps, so it can only be called from user context, not
- * from interrupt context.  If we need interrupt context, we can split
- * it into two routines.
-*/
-static int ipath_setup_pe_reset(struct ipath_devdata *dd)
-{
-	u64 val;
-	int i;
-	int ret;
-	u16 cmdval;
-
-	pci_read_config_word(dd->pcidev, PCI_COMMAND, &cmdval);
-
-	/* Use ERROR so it shows up in logs, etc. */
-	ipath_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->ipath_unit);
-	/* keep chip from being accessed in a few places */
-	dd->ipath_flags &= ~(IPATH_INITTED|IPATH_PRESENT);
-	val = dd->ipath_control | INFINIPATH_C_RESET;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_control, val);
-	mb();
-
-	for (i = 1; i <= 5; i++) {
-		int r;
-		/* allow MBIST, etc. to complete; longer on each retry.
-		 * We sometimes get machine checks from bus timeout if no
-		 * response, so for now, make it *really* long.
-		 */
-		msleep(1000 + (1 + i) * 2000);
-		if ((r =
-		     pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0,
-					    dd->ipath_pcibar0)))
-			ipath_dev_err(dd, "rewrite of BAR0 failed: %d\n",
-				      r);
-		if ((r =
-		     pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_1,
-					    dd->ipath_pcibar1)))
-			ipath_dev_err(dd, "rewrite of BAR1 failed: %d\n",
-				      r);
-		/* now re-enable memory access */
-		pci_write_config_word(dd->pcidev, PCI_COMMAND, cmdval);
-		if ((r = pci_enable_device(dd->pcidev)))
-			ipath_dev_err(dd, "pci_enable_device failed after "
-				      "reset: %d\n", r);
-		/*
-		 * whether it fully enabled or not, mark as present,
-		 * again (but not INITTED)
-		 */
-		dd->ipath_flags |= IPATH_PRESENT;
-		val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_revision);
-		if (val == dd->ipath_revision) {
-			ipath_cdbg(VERBOSE, "Got matching revision "
-				   "register %llx on try %d\n",
-				   (unsigned long long) val, i);
-			ret = ipath_reinit_msi(dd);
-			goto bail;
-		}
-		/* Probably getting -1 back */
-		ipath_dbg("Didn't get expected revision register, "
-			  "got %llx, try %d\n", (unsigned long long) val,
-			  i + 1);
-	}
-	ret = 0; /* failed */
-
-bail:
-	if (ret)
-		ipath_6120_pcie_params(dd);
-	return ret;
-}
-
-/**
- * ipath_pe_put_tid - write a TID in chip
- * @dd: the infinipath device
- * @tidptr: pointer to the expected TID (in chip) to update
- * @tidtype: RCVHQ_RCV_TYPE_EAGER (1) for eager, RCVHQ_RCV_TYPE_EXPECTED (0) for expected
- * @pa: physical address of in memory buffer; ipath_tidinvalid if freeing
- *
- * This exists as a separate routine to allow for special locking etc.
- * It's used for both the full cleanup on exit, as well as the normal
- * setup and teardown.
- */
-static void ipath_pe_put_tid(struct ipath_devdata *dd, u64 __iomem *tidptr,
-			     u32 type, unsigned long pa)
-{
-	u32 __iomem *tidp32 = (u32 __iomem *)tidptr;
-	unsigned long flags = 0; /* keep gcc quiet */
-	int tidx;
-	spinlock_t *tidlockp;
-
-	if (!dd->ipath_kregbase)
-		return;
-
-	if (pa != dd->ipath_tidinvalid) {
-		if (pa & ((1U << 11) - 1)) {
-			dev_info(&dd->pcidev->dev, "BUG: physaddr %lx "
-				 "not 2KB aligned!\n", pa);
-			return;
-		}
-		pa >>= 11;
-		/* paranoia check */
-		if (pa & ~INFINIPATH_RT_ADDR_MASK)
-			ipath_dev_err(dd,
-				      "BUG: Physical page address 0x%lx "
-				      "has bits set in 31-29\n", pa);
-
-		if (type == RCVHQ_RCV_TYPE_EAGER)
-			pa |= dd->ipath_tidtemplate;
-		else /* for now, always full 4KB page */
-			pa |= 2 << 29;
-	}
-
-	/*
-	 * Workaround chip bug 9437 by writing the scratch register
-	 * before and after the TID, and with an io write barrier.
-	 * We use a spinlock around the writes, so they can't intermix
-	 * with other TID (eager or expected) writes (the chip bug
-	 * is triggered by back to back TID writes). Unfortunately, this
-	 * call can be done from interrupt level for the port 0 eager TIDs,
-	 * so we have to use irqsave locks.
-	 */
-	/*
-	 * Assumes tidptr always > ipath_egrtidbase
-	 * if type == RCVHQ_RCV_TYPE_EAGER.
-	 */
-	tidx = tidptr - dd->ipath_egrtidbase;
-
-	tidlockp = (type == RCVHQ_RCV_TYPE_EAGER && tidx < dd->ipath_rcvegrcnt)
-		? &dd->ipath_kernel_tid_lock : &dd->ipath_user_tid_lock;
-	spin_lock_irqsave(tidlockp, flags);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_scratch, 0xfeeddeaf);
-	writel(pa, tidp32);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_scratch, 0xdeadbeef);
-	mmiowb();
-	spin_unlock_irqrestore(tidlockp, flags);
-}
-
-/**
- * ipath_pe_put_tid_2 - write a TID in chip, Revision 2 or higher
- * @dd: the infinipath device
- * @tidptr: pointer to the expected TID (in chip) to update
- * @tidtype: RCVHQ_RCV_TYPE_EAGER (1) for eager, RCVHQ_RCV_TYPE_EXPECTED (0) for expected
- * @pa: physical address of in memory buffer; ipath_tidinvalid if freeing
- *
- * This exists as a separate routine to allow for selection of the
- * appropriate "flavor". The static calls in cleanup just use the
- * revision-agnostic form, as they are not performance critical.
- */
-static void ipath_pe_put_tid_2(struct ipath_devdata *dd, u64 __iomem *tidptr,
-			     u32 type, unsigned long pa)
-{
-	u32 __iomem *tidp32 = (u32 __iomem *)tidptr;
-	u32 tidx;
-
-	if (!dd->ipath_kregbase)
-		return;
-
-	if (pa != dd->ipath_tidinvalid) {
-		if (pa & ((1U << 11) - 1)) {
-			dev_info(&dd->pcidev->dev, "BUG: physaddr %lx "
-				 "not 2KB aligned!\n", pa);
-			return;
-		}
-		pa >>= 11;
-		/* paranoia check */
-		if (pa & ~INFINIPATH_RT_ADDR_MASK)
-			ipath_dev_err(dd,
-				      "BUG: Physical page address 0x%lx "
-				      "has bits set in 31-29\n", pa);
-
-		if (type == RCVHQ_RCV_TYPE_EAGER)
-			pa |= dd->ipath_tidtemplate;
-		else /* for now, always full 4KB page */
-			pa |= 2 << 29;
-	}
-	tidx = tidptr - dd->ipath_egrtidbase;
-	writel(pa, tidp32);
-	mmiowb();
-}
-
-
-/**
- * ipath_pe_clear_tid - clear all TID entries for a port, expected and eager
- * @dd: the infinipath device
- * @port: the port
- *
- * clear all TID entries for a port, expected and eager.
- * Used from ipath_close().  On this chip, TIDs are only 32 bits,
- * not 64, but they are still on 64 bit boundaries, so tidbase
- * is declared as u64 * for the pointer math, even though we write 32 bits
- */
-static void ipath_pe_clear_tids(struct ipath_devdata *dd, unsigned port)
-{
-	u64 __iomem *tidbase;
-	unsigned long tidinv;
-	int i;
-
-	if (!dd->ipath_kregbase)
-		return;
-
-	ipath_cdbg(VERBOSE, "Invalidate TIDs for port %u\n", port);
-
-	tidinv = dd->ipath_tidinvalid;
-	tidbase = (u64 __iomem *)
-		((char __iomem *)(dd->ipath_kregbase) +
-		 dd->ipath_rcvtidbase +
-		 port * dd->ipath_rcvtidcnt * sizeof(*tidbase));
-
-	for (i = 0; i < dd->ipath_rcvtidcnt; i++)
-		dd->ipath_f_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EXPECTED,
-				 tidinv);
-
-	tidbase = (u64 __iomem *)
-		((char __iomem *)(dd->ipath_kregbase) +
-		 dd->ipath_rcvegrbase +
-		 port * dd->ipath_rcvegrcnt * sizeof(*tidbase));
-
-	for (i = 0; i < dd->ipath_rcvegrcnt; i++)
-		dd->ipath_f_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EAGER,
-				 tidinv);
-}
-
-/**
- * ipath_pe_tidtemplate - setup constants for TID updates
- * @dd: the infinipath device
- *
- * We setup stuff that we use a lot, to avoid calculating each time
- */
-static void ipath_pe_tidtemplate(struct ipath_devdata *dd)
-{
-	u32 egrsize = dd->ipath_rcvegrbufsize;
-
-	/* For now, we always allocate 4KB buffers (at init) so we can
-	 * receive max size packets.  We may want a module parameter to
-	 * specify 2KB or 4KB and/or make be per port instead of per device
-	 * for those who want to reduce memory footprint.  Note that the
-	 * ipath_rcvhdrentsize size must be large enough to hold the largest
-	 * IB header (currently 96 bytes) that we expect to handle (plus of
-	 * course the 2 dwords of RHF).
-	 */
-	if (egrsize == 2048)
-		dd->ipath_tidtemplate = 1U << 29;
-	else if (egrsize == 4096)
-		dd->ipath_tidtemplate = 2U << 29;
-	else {
-		egrsize = 4096;
-		dev_info(&dd->pcidev->dev, "BUG: unsupported egrbufsize "
-			 "%u, using %u\n", dd->ipath_rcvegrbufsize,
-			 egrsize);
-		dd->ipath_tidtemplate = 2U << 29;
-	}
-	dd->ipath_tidinvalid = 0;
-}
-
-static int ipath_pe_early_init(struct ipath_devdata *dd)
-{
-	dd->ipath_flags |= IPATH_4BYTE_TID;
-	if (ipath_unordered_wc())
-		dd->ipath_flags |= IPATH_PIO_FLUSH_WC;
-
-	/*
-	 * For openfabrics, we need to be able to handle an IB header of
-	 * 24 dwords.  HT chip has arbitrary sized receive buffers, so we
-	 * made them the same size as the PIO buffers.  This chip does not
-	 * handle arbitrary size buffers, so we need the header large enough
-	 * to handle largest IB header, but still have room for a 2KB MTU
-	 * standard IB packet.
-	 */
-	dd->ipath_rcvhdrentsize = 24;
-	dd->ipath_rcvhdrsize = IPATH_DFLT_RCVHDRSIZE;
-	dd->ipath_rhf_offset = 0;
-	dd->ipath_egrtidbase = (u64 __iomem *)
-		((char __iomem *) dd->ipath_kregbase + dd->ipath_rcvegrbase);
-
-	dd->ipath_rcvegrbufsize = ipath_mtu4096 ? 4096 : 2048;
-	/*
-	 * the min() check here is currently a nop, but it may not always
-	 * be, depending on just how we do ipath_rcvegrbufsize
-	 */
-	dd->ipath_ibmaxlen = min(ipath_mtu4096 ? dd->ipath_piosize4k :
-				 dd->ipath_piosize2k,
-				 dd->ipath_rcvegrbufsize +
-				 (dd->ipath_rcvhdrentsize << 2));
-	dd->ipath_init_ibmaxlen = dd->ipath_ibmaxlen;
-
-	/*
-	 * We can request a receive interrupt for 1 or
-	 * more packets from current offset.  For now, we set this
-	 * up for a single packet.
-	 */
-	dd->ipath_rhdrhead_intr_off = 1ULL<<32;
-
-	ipath_get_eeprom_info(dd);
-
-	return 0;
-}
-
-int __attribute__((weak)) ipath_unordered_wc(void)
-{
-	return 0;
-}
-
-/**
- * ipath_init_pe_get_base_info - set chip-specific flags for user code
- * @pd: the infinipath port
- * @kbase: ipath_base_info pointer
- *
- * We set the PCIE flag because the lower bandwidth on PCIe vs
- * HyperTransport can affect some user packet algorithms.
- */
-static int ipath_pe_get_base_info(struct ipath_portdata *pd, void *kbase)
-{
-	struct ipath_base_info *kinfo = kbase;
-	struct ipath_devdata *dd;
-
-	if (ipath_unordered_wc()) {
-		kinfo->spi_runtime_flags |= IPATH_RUNTIME_FORCE_WC_ORDER;
-		ipath_cdbg(PROC, "Intel processor, forcing WC order\n");
-	}
-	else
-		ipath_cdbg(PROC, "Not Intel processor, WC ordered\n");
-
-	if (pd == NULL)
-		goto done;
-
-	dd = pd->port_dd;
-
-done:
-	kinfo->spi_runtime_flags |= IPATH_RUNTIME_PCIE |
-		IPATH_RUNTIME_FORCE_PIOAVAIL | IPATH_RUNTIME_PIO_REGSWAPPED;
-	return 0;
-}
-
-static void ipath_pe_free_irq(struct ipath_devdata *dd)
-{
-	free_irq(dd->ipath_irq, dd);
-	dd->ipath_irq = 0;
-}
-
-
-static struct ipath_message_header *
-ipath_pe_get_msgheader(struct ipath_devdata *dd, __le32 *rhf_addr)
-{
-	return (struct ipath_message_header *)
-		&rhf_addr[sizeof(u64) / sizeof(u32)];
-}
-
-static void ipath_pe_config_ports(struct ipath_devdata *dd, ushort cfgports)
-{
-	dd->ipath_portcnt =
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
-	dd->ipath_p0_rcvegrcnt =
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvegrcnt);
-}
-
-static void ipath_pe_read_counters(struct ipath_devdata *dd,
-				   struct infinipath_counters *cntrs)
-{
-	cntrs->LBIntCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(LBIntCnt));
-	cntrs->LBFlowStallCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(LBFlowStallCnt));
-	cntrs->TxSDmaDescCnt = 0;
-	cntrs->TxUnsupVLErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxUnsupVLErrCnt));
-	cntrs->TxDataPktCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDataPktCnt));
-	cntrs->TxFlowPktCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxFlowPktCnt));
-	cntrs->TxDwordCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDwordCnt));
-	cntrs->TxLenErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxLenErrCnt));
-	cntrs->TxMaxMinLenErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxMaxMinLenErrCnt));
-	cntrs->TxUnderrunCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxUnderrunCnt));
-	cntrs->TxFlowStallCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxFlowStallCnt));
-	cntrs->TxDroppedPktCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDroppedPktCnt));
-	cntrs->RxDroppedPktCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDroppedPktCnt));
-	cntrs->RxDataPktCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDataPktCnt));
-	cntrs->RxFlowPktCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxFlowPktCnt));
-	cntrs->RxDwordCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDwordCnt));
-	cntrs->RxLenErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLenErrCnt));
-	cntrs->RxMaxMinLenErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxMaxMinLenErrCnt));
-	cntrs->RxICRCErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxICRCErrCnt));
-	cntrs->RxVCRCErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxVCRCErrCnt));
-	cntrs->RxFlowCtrlErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxFlowCtrlErrCnt));
-	cntrs->RxBadFormatCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxBadFormatCnt));
-	cntrs->RxLinkProblemCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLinkProblemCnt));
-	cntrs->RxEBPCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxEBPCnt));
-	cntrs->RxLPCRCErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLPCRCErrCnt));
-	cntrs->RxBufOvflCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxBufOvflCnt));
-	cntrs->RxTIDFullErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxTIDFullErrCnt));
-	cntrs->RxTIDValidErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxTIDValidErrCnt));
-	cntrs->RxPKeyMismatchCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxPKeyMismatchCnt));
-	cntrs->RxP0HdrEgrOvflCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP0HdrEgrOvflCnt));
-	cntrs->RxP1HdrEgrOvflCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP1HdrEgrOvflCnt));
-	cntrs->RxP2HdrEgrOvflCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP2HdrEgrOvflCnt));
-	cntrs->RxP3HdrEgrOvflCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP3HdrEgrOvflCnt));
-	cntrs->RxP4HdrEgrOvflCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP4HdrEgrOvflCnt));
-	cntrs->RxP5HdrEgrOvflCnt = 0;
-	cntrs->RxP6HdrEgrOvflCnt = 0;
-	cntrs->RxP7HdrEgrOvflCnt = 0;
-	cntrs->RxP8HdrEgrOvflCnt = 0;
-	cntrs->RxP9HdrEgrOvflCnt = 0;
-	cntrs->RxP10HdrEgrOvflCnt = 0;
-	cntrs->RxP11HdrEgrOvflCnt = 0;
-	cntrs->RxP12HdrEgrOvflCnt = 0;
-	cntrs->RxP13HdrEgrOvflCnt = 0;
-	cntrs->RxP14HdrEgrOvflCnt = 0;
-	cntrs->RxP15HdrEgrOvflCnt = 0;
-	cntrs->RxP16HdrEgrOvflCnt = 0;
-	cntrs->IBStatusChangeCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBStatusChangeCnt));
-	cntrs->IBLinkErrRecoveryCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBLinkErrRecoveryCnt));
-	cntrs->IBLinkDownedCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBLinkDownedCnt));
-	cntrs->IBSymbolErrCnt =
-		ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBSymbolErrCnt));
-	cntrs->RxVL15DroppedPktCnt = 0;
-	cntrs->RxOtherLocalPhyErrCnt = 0;
-	cntrs->PcieRetryBufDiagQwordCnt = 0;
-	cntrs->ExcessBufferOvflCnt = dd->ipath_overrun_thresh_errs;
-	cntrs->LocalLinkIntegrityErrCnt = dd->ipath_lli_errs;
-	cntrs->RxVlErrCnt = 0;
-	cntrs->RxDlidFltrCnt = 0;
-}
-
-
-/* no interrupt fallback for these chips */
-static int ipath_pe_nointr_fallback(struct ipath_devdata *dd)
-{
-	return 0;
-}
-
-
-/*
- * reset the XGXS (between serdes and IBC).  Slightly less intrusive
- * than resetting the IBC or external link state, and useful in some
- * cases to cause some retraining.  To do this right, we reset IBC
- * as well.
- */
-static void ipath_pe_xgxs_reset(struct ipath_devdata *dd)
-{
-	u64 val, prev_val;
-
-	prev_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
-	val = prev_val | INFINIPATH_XGXS_RESET;
-	prev_val &= ~INFINIPATH_XGXS_RESET; /* be sure */
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
-			 dd->ipath_control & ~INFINIPATH_C_LINKENABLE);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, prev_val);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
-			 dd->ipath_control);
-}
-
-
-static int ipath_pe_get_ib_cfg(struct ipath_devdata *dd, int which)
-{
-	int ret;
-
-	switch (which) {
-	case IPATH_IB_CFG_LWID:
-		ret = dd->ipath_link_width_active;
-		break;
-	case IPATH_IB_CFG_SPD:
-		ret = dd->ipath_link_speed_active;
-		break;
-	case IPATH_IB_CFG_LWID_ENB:
-		ret = dd->ipath_link_width_enabled;
-		break;
-	case IPATH_IB_CFG_SPD_ENB:
-		ret = dd->ipath_link_speed_enabled;
-		break;
-	default:
-		ret =  -ENOTSUPP;
-		break;
-	}
-	return ret;
-}
-
-
-/* we assume range checking is already done, if needed */
-static int ipath_pe_set_ib_cfg(struct ipath_devdata *dd, int which, u32 val)
-{
-	int ret = 0;
-
-	if (which == IPATH_IB_CFG_LWID_ENB)
-		dd->ipath_link_width_enabled = val;
-	else if (which == IPATH_IB_CFG_SPD_ENB)
-		dd->ipath_link_speed_enabled = val;
-	else
-		ret = -ENOTSUPP;
-	return ret;
-}
-
-static void ipath_pe_config_jint(struct ipath_devdata *dd, u16 a, u16 b)
-{
-}
-
-
-static int ipath_pe_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs)
-{
-	if (ibup) {
-		if (dd->ibdeltainprog) {
-			dd->ibdeltainprog = 0;
-			dd->ibsymdelta +=
-				ipath_read_creg32(dd,
-				  dd->ipath_cregs->cr_ibsymbolerrcnt) -
-				dd->ibsymsnap;
-			dd->iblnkerrdelta +=
-				ipath_read_creg32(dd,
-				  dd->ipath_cregs->cr_iblinkerrrecovcnt) -
-				dd->iblnkerrsnap;
-		}
-	} else {
-		dd->ipath_lli_counter = 0;
-		if (!dd->ibdeltainprog) {
-			dd->ibdeltainprog = 1;
-			dd->ibsymsnap =
-				ipath_read_creg32(dd,
-				  dd->ipath_cregs->cr_ibsymbolerrcnt);
-			dd->iblnkerrsnap =
-				ipath_read_creg32(dd,
-				  dd->ipath_cregs->cr_iblinkerrrecovcnt);
-		}
-	}
-
-	ipath_setup_pe_setextled(dd, ipath_ib_linkstate(dd, ibcs),
-		ipath_ib_linktrstate(dd, ibcs));
-	return 0;
-}
-
-
-/**
- * ipath_init_iba6120_funcs - set up the chip-specific function pointers
- * @dd: the infinipath device
- *
- * This is global, and is called directly at init to set up the
- * chip-specific function pointers for later use.
- */
-void ipath_init_iba6120_funcs(struct ipath_devdata *dd)
-{
-	dd->ipath_f_intrsetup = ipath_pe_intconfig;
-	dd->ipath_f_bus = ipath_setup_pe_config;
-	dd->ipath_f_reset = ipath_setup_pe_reset;
-	dd->ipath_f_get_boardname = ipath_pe_boardname;
-	dd->ipath_f_init_hwerrors = ipath_pe_init_hwerrors;
-	dd->ipath_f_early_init = ipath_pe_early_init;
-	dd->ipath_f_handle_hwerrors = ipath_pe_handle_hwerrors;
-	dd->ipath_f_quiet_serdes = ipath_pe_quiet_serdes;
-	dd->ipath_f_bringup_serdes = ipath_pe_bringup_serdes;
-	dd->ipath_f_clear_tids = ipath_pe_clear_tids;
-	/*
-	 * _f_put_tid may get changed after we read the chip revision,
-	 * but we start with the safe version for all revs
-	 */
-	dd->ipath_f_put_tid = ipath_pe_put_tid;
-	dd->ipath_f_cleanup = ipath_setup_pe_cleanup;
-	dd->ipath_f_setextled = ipath_setup_pe_setextled;
-	dd->ipath_f_get_base_info = ipath_pe_get_base_info;
-	dd->ipath_f_free_irq = ipath_pe_free_irq;
-	dd->ipath_f_tidtemplate = ipath_pe_tidtemplate;
-	dd->ipath_f_intr_fallback = ipath_pe_nointr_fallback;
-	dd->ipath_f_xgxs_reset = ipath_pe_xgxs_reset;
-	dd->ipath_f_get_msgheader = ipath_pe_get_msgheader;
-	dd->ipath_f_config_ports = ipath_pe_config_ports;
-	dd->ipath_f_read_counters = ipath_pe_read_counters;
-	dd->ipath_f_get_ib_cfg = ipath_pe_get_ib_cfg;
-	dd->ipath_f_set_ib_cfg = ipath_pe_set_ib_cfg;
-	dd->ipath_f_config_jint = ipath_pe_config_jint;
-	dd->ipath_f_ib_updown = ipath_pe_ib_updown;
-
-
-	/* initialize chip-specific variables */
-	ipath_init_pe_variables(dd);
-}
-
diff --git a/drivers/infiniband/hw/ipath/ipath_iba7220.c b/drivers/infiniband/hw/ipath/ipath_iba7220.c
deleted file mode 100644
index 34b778ed97f..00000000000
--- a/drivers/infiniband/hw/ipath/ipath_iba7220.c
+++ /dev/null
@@ -1,2631 +0,0 @@
-/*
- * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
- * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-/*
- * This file contains all of the code that is specific to the
- * InfiniPath 7220 chip (except that specific to the SerDes)
- */
-
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <rdma/ib_verbs.h>
-
-#include "ipath_kernel.h"
-#include "ipath_registers.h"
-#include "ipath_7220.h"
-
-static void ipath_setup_7220_setextled(struct ipath_devdata *, u64, u64);
-
-static unsigned ipath_compat_ddr_negotiate = 1;
-
-module_param_named(compat_ddr_negotiate, ipath_compat_ddr_negotiate, uint,
-			S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(compat_ddr_negotiate,
-		"Attempt pre-IBTA 1.2 DDR speed negotiation");
-
-static unsigned ipath_sdma_fetch_arb = 1;
-module_param_named(fetch_arb, ipath_sdma_fetch_arb, uint, S_IRUGO);
-MODULE_PARM_DESC(fetch_arb, "IBA7220: change SDMA descriptor arbitration");
-
-/*
- * This file contains almost all the chip-specific register information and
- * access functions for the QLogic InfiniPath 7220 PCI-Express chip, with the
- * exception of SerDes support, which in in ipath_sd7220.c.
- *
- * This lists the InfiniPath registers, in the actual chip layout.
- * This structure should never be directly accessed.
- */
-struct _infinipath_do_not_use_kernel_regs {
-	unsigned long long Revision;
-	unsigned long long Control;
-	unsigned long long PageAlign;
-	unsigned long long PortCnt;
-	unsigned long long DebugPortSelect;
-	unsigned long long DebugSigsIntSel; /* was Reserved0;*/
-	unsigned long long SendRegBase;
-	unsigned long long UserRegBase;
-	unsigned long long CounterRegBase;
-	unsigned long long Scratch;
-	unsigned long long EEPROMAddrCmd; /* was Reserved1; */
-	unsigned long long EEPROMData; /* was Reserved2; */
-	unsigned long long IntBlocked;
-	unsigned long long IntMask;
-	unsigned long long IntStatus;
-	unsigned long long IntClear;
-	unsigned long long ErrorMask;
-	unsigned long long ErrorStatus;
-	unsigned long long ErrorClear;
-	unsigned long long HwErrMask;
-	unsigned long long HwErrStatus;
-	unsigned long long HwErrClear;
-	unsigned long long HwDiagCtrl;
-	unsigned long long MDIO;
-	unsigned long long IBCStatus;
-	unsigned long long IBCCtrl;
-	unsigned long long ExtStatus;
-	unsigned long long ExtCtrl;
-	unsigned long long GPIOOut;
-	unsigned long long GPIOMask;
-	unsigned long long GPIOStatus;
-	unsigned long long GPIOClear;
-	unsigned long long RcvCtrl;
-	unsigned long long RcvBTHQP;
-	unsigned long long RcvHdrSize;
-	unsigned long long RcvHdrCnt;
-	unsigned long long RcvHdrEntSize;
-	unsigned long long RcvTIDBase;
-	unsigned long long RcvTIDCnt;
-	unsigned long long RcvEgrBase;
-	unsigned long long RcvEgrCnt;
-	unsigned long long RcvBufBase;
-	unsigned long long RcvBufSize;
-	unsigned long long RxIntMemBase;
-	unsigned long long RxIntMemSize;
-	unsigned long long RcvPartitionKey;
-	unsigned long long RcvQPMulticastPort;
-	unsigned long long RcvPktLEDCnt;
-	unsigned long long IBCDDRCtrl;
-	unsigned long long HRTBT_GUID;
-	unsigned long long IB_SDTEST_IF_TX;
-	unsigned long long IB_SDTEST_IF_RX;
-	unsigned long long IBCDDRCtrl2;
-	unsigned long long IBCDDRStatus;
-	unsigned long long JIntReload;
-	unsigned long long IBNCModeCtrl;
-	unsigned long long SendCtrl;
-	unsigned long long SendBufBase;
-	unsigned long long SendBufSize;
-	unsigned long long SendBufCnt;
-	unsigned long long SendAvailAddr;
-	unsigned long long TxIntMemBase;
-	unsigned long long TxIntMemSize;
-	unsigned long long SendDmaBase;
-	unsigned long long SendDmaLenGen;
-	unsigned long long SendDmaTail;
-	unsigned long long SendDmaHead;
-	unsigned long long SendDmaHeadAddr;
-	unsigned long long SendDmaBufMask0;
-	unsigned long long SendDmaBufMask1;
-	unsigned long long SendDmaBufMask2;
-	unsigned long long SendDmaStatus;
-	unsigned long long SendBufferError;
-	unsigned long long SendBufferErrorCONT1;
-	unsigned long long SendBufErr2; /* was Reserved6SBE[0/6] */
-	unsigned long long Reserved6L[2];
-	unsigned long long AvailUpdCount;
-	unsigned long long RcvHdrAddr0;
-	unsigned long long RcvHdrAddrs[16]; /* Why enumerate? */
-	unsigned long long Reserved7hdtl; /* Align next to 300 */
-	unsigned long long RcvHdrTailAddr0; /* 300, like others */
-	unsigned long long RcvHdrTailAddrs[16];
-	unsigned long long Reserved9SW[7]; /* was [8]; we have 17 ports */
-	unsigned long long IbsdEpbAccCtl; /* IB Serdes EPB access control */
-	unsigned long long IbsdEpbTransReg; /* IB Serdes EPB Transaction */
-	unsigned long long Reserved10sds; /* was SerdesStatus on */
-	unsigned long long XGXSConfig;
-	unsigned long long IBSerDesCtrl; /* Was IBPLLCfg on Monty */
-	unsigned long long EEPCtlStat; /* for "boot" EEPROM/FLASH */
-	unsigned long long EEPAddrCmd;
-	unsigned long long EEPData;
-	unsigned long long PcieEpbAccCtl;
-	unsigned long long PcieEpbTransCtl;
-	unsigned long long EfuseCtl; /* E-Fuse control */
-	unsigned long long EfuseData[4];
-	unsigned long long ProcMon;
-	/* this chip moves following two from previous 200, 208 */
-	unsigned long long PCIeRBufTestReg0;
-	unsigned long long PCIeRBufTestReg1;
-	/* added for this chip */
-	unsigned long long PCIeRBufTestReg2;
-	unsigned long long PCIeRBufTestReg3;
-	/* added for this chip, debug only */
-	unsigned long long SPC_JTAG_ACCESS_REG;
-	unsigned long long LAControlReg;
-	unsigned long long GPIODebugSelReg;
-	unsigned long long DebugPortValueReg;
-	/* added for this chip, DMA */
-	unsigned long long SendDmaBufUsed[3];
-	unsigned long long SendDmaReqTagUsed;
-	/*
-	 * added for this chip, EFUSE: note that these program 64-bit
-	 * words 2 and 3 */
-	unsigned long long efuse_pgm_data[2];
-	unsigned long long Reserved11LAalign[10]; /* Skip 4B0..4F8 */
-	/* we have 30 regs for DDS and RXEQ in IB SERDES */
-	unsigned long long SerDesDDSRXEQ[30];
-	unsigned long long Reserved12LAalign[2]; /* Skip 5F0, 5F8 */
-	/* added for LA debug support */
-	unsigned long long LAMemory[32];
-};
-
-struct _infinipath_do_not_use_counters {
-	__u64 LBIntCnt;
-	__u64 LBFlowStallCnt;
-	__u64 TxSDmaDescCnt;	/* was Reserved1 */
-	__u64 TxUnsupVLErrCnt;
-	__u64 TxDataPktCnt;
-	__u64 TxFlowPktCnt;
-	__u64 TxDwordCnt;
-	__u64 TxLenErrCnt;
-	__u64 TxMaxMinLenErrCnt;
-	__u64 TxUnderrunCnt;
-	__u64 TxFlowStallCnt;
-	__u64 TxDroppedPktCnt;
-	__u64 RxDroppedPktCnt;
-	__u64 RxDataPktCnt;
-	__u64 RxFlowPktCnt;
-	__u64 RxDwordCnt;
-	__u64 RxLenErrCnt;
-	__u64 RxMaxMinLenErrCnt;
-	__u64 RxICRCErrCnt;
-	__u64 RxVCRCErrCnt;
-	__u64 RxFlowCtrlErrCnt;
-	__u64 RxBadFormatCnt;
-	__u64 RxLinkProblemCnt;
-	__u64 RxEBPCnt;
-	__u64 RxLPCRCErrCnt;
-	__u64 RxBufOvflCnt;
-	__u64 RxTIDFullErrCnt;
-	__u64 RxTIDValidErrCnt;
-	__u64 RxPKeyMismatchCnt;
-	__u64 RxP0HdrEgrOvflCnt;
-	__u64 RxP1HdrEgrOvflCnt;
-	__u64 RxP2HdrEgrOvflCnt;
-	__u64 RxP3HdrEgrOvflCnt;
-	__u64 RxP4HdrEgrOvflCnt;
-	__u64 RxP5HdrEgrOvflCnt;
-	__u64 RxP6HdrEgrOvflCnt;
-	__u64 RxP7HdrEgrOvflCnt;
-	__u64 RxP8HdrEgrOvflCnt;
-	__u64 RxP9HdrEgrOvflCnt;	/* was Reserved6 */
-	__u64 RxP10HdrEgrOvflCnt;	/* was Reserved7 */
-	__u64 RxP11HdrEgrOvflCnt;	/* new for IBA7220 */
-	__u64 RxP12HdrEgrOvflCnt;	/* new for IBA7220 */
-	__u64 RxP13HdrEgrOvflCnt;	/* new for IBA7220 */
-	__u64 RxP14HdrEgrOvflCnt;	/* new for IBA7220 */
-	__u64 RxP15HdrEgrOvflCnt;	/* new for IBA7220 */
-	__u64 RxP16HdrEgrOvflCnt;	/* new for IBA7220 */
-	__u64 IBStatusChangeCnt;
-	__u64 IBLinkErrRecoveryCnt;
-	__u64 IBLinkDownedCnt;
-	__u64 IBSymbolErrCnt;
-	/* The following are new for IBA7220 */
-	__u64 RxVL15DroppedPktCnt;
-	__u64 RxOtherLocalPhyErrCnt;
-	__u64 PcieRetryBufDiagQwordCnt;
-	__u64 ExcessBufferOvflCnt;
-	__u64 LocalLinkIntegrityErrCnt;
-	__u64 RxVlErrCnt;
-	__u64 RxDlidFltrCnt;
-	__u64 Reserved8[7];
-	__u64 PSStat;
-	__u64 PSStart;
-	__u64 PSInterval;
-	__u64 PSRcvDataCount;
-	__u64 PSRcvPktsCount;
-	__u64 PSXmitDataCount;
-	__u64 PSXmitPktsCount;
-	__u64 PSXmitWaitCount;
-};
-
-#define IPATH_KREG_OFFSET(field) (offsetof( \
-	struct _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
-#define IPATH_CREG_OFFSET(field) (offsetof( \
-	struct _infinipath_do_not_use_counters, field) / sizeof(u64))
-
-static const struct ipath_kregs ipath_7220_kregs = {
-	.kr_control = IPATH_KREG_OFFSET(Control),
-	.kr_counterregbase = IPATH_KREG_OFFSET(CounterRegBase),
-	.kr_debugportselect = IPATH_KREG_OFFSET(DebugPortSelect),
-	.kr_errorclear = IPATH_KREG_OFFSET(ErrorClear),
-	.kr_errormask = IPATH_KREG_OFFSET(ErrorMask),
-	.kr_errorstatus = IPATH_KREG_OFFSET(ErrorStatus),
-	.kr_extctrl = IPATH_KREG_OFFSET(ExtCtrl),
-	.kr_extstatus = IPATH_KREG_OFFSET(ExtStatus),
-	.kr_gpio_clear = IPATH_KREG_OFFSET(GPIOClear),
-	.kr_gpio_mask = IPATH_KREG_OFFSET(GPIOMask),
-	.kr_gpio_out = IPATH_KREG_OFFSET(GPIOOut),
-	.kr_gpio_status = IPATH_KREG_OFFSET(GPIOStatus),
-	.kr_hwdiagctrl = IPATH_KREG_OFFSET(HwDiagCtrl),
-	.kr_hwerrclear = IPATH_KREG_OFFSET(HwErrClear),
-	.kr_hwerrmask = IPATH_KREG_OFFSET(HwErrMask),
-	.kr_hwerrstatus = IPATH_KREG_OFFSET(HwErrStatus),
-	.kr_ibcctrl = IPATH_KREG_OFFSET(IBCCtrl),
-	.kr_ibcstatus = IPATH_KREG_OFFSET(IBCStatus),
-	.kr_intblocked = IPATH_KREG_OFFSET(IntBlocked),
-	.kr_intclear = IPATH_KREG_OFFSET(IntClear),
-	.kr_intmask = IPATH_KREG_OFFSET(IntMask),
-	.kr_intstatus = IPATH_KREG_OFFSET(IntStatus),
-	.kr_mdio = IPATH_KREG_OFFSET(MDIO),
-	.kr_pagealign = IPATH_KREG_OFFSET(PageAlign),
-	.kr_partitionkey = IPATH_KREG_OFFSET(RcvPartitionKey),
-	.kr_portcnt = IPATH_KREG_OFFSET(PortCnt),
-	.kr_rcvbthqp = IPATH_KREG_OFFSET(RcvBTHQP),
-	.kr_rcvbufbase = IPATH_KREG_OFFSET(RcvBufBase),
-	.kr_rcvbufsize = IPATH_KREG_OFFSET(RcvBufSize),
-	.kr_rcvctrl = IPATH_KREG_OFFSET(RcvCtrl),
-	.kr_rcvegrbase = IPATH_KREG_OFFSET(RcvEgrBase),
-	.kr_rcvegrcnt = IPATH_KREG_OFFSET(RcvEgrCnt),
-	.kr_rcvhdrcnt = IPATH_KREG_OFFSET(RcvHdrCnt),
-	.kr_rcvhdrentsize = IPATH_KREG_OFFSET(RcvHdrEntSize),
-	.kr_rcvhdrsize = IPATH_KREG_OFFSET(RcvHdrSize),
-	.kr_rcvintmembase = IPATH_KREG_OFFSET(RxIntMemBase),
-	.kr_rcvintmemsize = IPATH_KREG_OFFSET(RxIntMemSize),
-	.kr_rcvtidbase = IPATH_KREG_OFFSET(RcvTIDBase),
-	.kr_rcvtidcnt = IPATH_KREG_OFFSET(RcvTIDCnt),
-	.kr_revision = IPATH_KREG_OFFSET(Revision),
-	.kr_scratch = IPATH_KREG_OFFSET(Scratch),
-	.kr_sendbuffererror = IPATH_KREG_OFFSET(SendBufferError),
-	.kr_sendctrl = IPATH_KREG_OFFSET(SendCtrl),
-	.kr_sendpioavailaddr = IPATH_KREG_OFFSET(SendAvailAddr),
-	.kr_sendpiobufbase = IPATH_KREG_OFFSET(SendBufBase),
-	.kr_sendpiobufcnt = IPATH_KREG_OFFSET(SendBufCnt),
-	.kr_sendpiosize = IPATH_KREG_OFFSET(SendBufSize),
-	.kr_sendregbase = IPATH_KREG_OFFSET(SendRegBase),
-	.kr_txintmembase = IPATH_KREG_OFFSET(TxIntMemBase),
-	.kr_txintmemsize = IPATH_KREG_OFFSET(TxIntMemSize),
-	.kr_userregbase = IPATH_KREG_OFFSET(UserRegBase),
-
-	.kr_xgxsconfig = IPATH_KREG_OFFSET(XGXSConfig),
-
-	/* send dma related regs */
-	.kr_senddmabase = IPATH_KREG_OFFSET(SendDmaBase),
-	.kr_senddmalengen = IPATH_KREG_OFFSET(SendDmaLenGen),
-	.kr_senddmatail = IPATH_KREG_OFFSET(SendDmaTail),
-	.kr_senddmahead = IPATH_KREG_OFFSET(SendDmaHead),
-	.kr_senddmaheadaddr = IPATH_KREG_OFFSET(SendDmaHeadAddr),
-	.kr_senddmabufmask0 = IPATH_KREG_OFFSET(SendDmaBufMask0),
-	.kr_senddmabufmask1 = IPATH_KREG_OFFSET(SendDmaBufMask1),
-	.kr_senddmabufmask2 = IPATH_KREG_OFFSET(SendDmaBufMask2),
-	.kr_senddmastatus = IPATH_KREG_OFFSET(SendDmaStatus),
-
-	/* SerDes related regs */
-	.kr_ibserdesctrl = IPATH_KREG_OFFSET(IBSerDesCtrl),
-	.kr_ib_epbacc = IPATH_KREG_OFFSET(IbsdEpbAccCtl),
-	.kr_ib_epbtrans = IPATH_KREG_OFFSET(IbsdEpbTransReg),
-	.kr_pcie_epbacc = IPATH_KREG_OFFSET(PcieEpbAccCtl),
-	.kr_pcie_epbtrans = IPATH_KREG_OFFSET(PcieEpbTransCtl),
-	.kr_ib_ddsrxeq = IPATH_KREG_OFFSET(SerDesDDSRXEQ),
-
-	/*
-	 * These should not be used directly via ipath_read_kreg64(),
-	 * use them with ipath_read_kreg64_port()
-	 */
-	.kr_rcvhdraddr = IPATH_KREG_OFFSET(RcvHdrAddr0),
-	.kr_rcvhdrtailaddr = IPATH_KREG_OFFSET(RcvHdrTailAddr0),
-
-	/*
-	 * The rcvpktled register controls one of the debug port signals, so
-	 * a packet activity LED can be connected to it.
-	 */
-	.kr_rcvpktledcnt = IPATH_KREG_OFFSET(RcvPktLEDCnt),
-	.kr_pcierbuftestreg0 = IPATH_KREG_OFFSET(PCIeRBufTestReg0),
-	.kr_pcierbuftestreg1 = IPATH_KREG_OFFSET(PCIeRBufTestReg1),
-
-	.kr_hrtbt_guid = IPATH_KREG_OFFSET(HRTBT_GUID),
-	.kr_ibcddrctrl = IPATH_KREG_OFFSET(IBCDDRCtrl),
-	.kr_ibcddrstatus = IPATH_KREG_OFFSET(IBCDDRStatus),
-	.kr_jintreload = IPATH_KREG_OFFSET(JIntReload)
-};
-
-static const struct ipath_cregs ipath_7220_cregs = {
-	.cr_badformatcnt = IPATH_CREG_OFFSET(RxBadFormatCnt),
-	.cr_erricrccnt = IPATH_CREG_OFFSET(RxICRCErrCnt),
-	.cr_errlinkcnt = IPATH_CREG_OFFSET(RxLinkProblemCnt),
-	.cr_errlpcrccnt = IPATH_CREG_OFFSET(RxLPCRCErrCnt),
-	.cr_errpkey = IPATH_CREG_OFFSET(RxPKeyMismatchCnt),
-	.cr_errrcvflowctrlcnt = IPATH_CREG_OFFSET(RxFlowCtrlErrCnt),
-	.cr_err_rlencnt = IPATH_CREG_OFFSET(RxLenErrCnt),
-	.cr_errslencnt = IPATH_CREG_OFFSET(TxLenErrCnt),
-	.cr_errtidfull = IPATH_CREG_OFFSET(RxTIDFullErrCnt),
-	.cr_errtidvalid = IPATH_CREG_OFFSET(RxTIDValidErrCnt),
-	.cr_errvcrccnt = IPATH_CREG_OFFSET(RxVCRCErrCnt),
-	.cr_ibstatuschange = IPATH_CREG_OFFSET(IBStatusChangeCnt),
-	.cr_intcnt = IPATH_CREG_OFFSET(LBIntCnt),
-	.cr_invalidrlencnt = IPATH_CREG_OFFSET(RxMaxMinLenErrCnt),
-	.cr_invalidslencnt = IPATH_CREG_OFFSET(TxMaxMinLenErrCnt),
-	.cr_lbflowstallcnt = IPATH_CREG_OFFSET(LBFlowStallCnt),
-	.cr_pktrcvcnt = IPATH_CREG_OFFSET(RxDataPktCnt),
-	.cr_pktrcvflowctrlcnt = IPATH_CREG_OFFSET(RxFlowPktCnt),
-	.cr_pktsendcnt = IPATH_CREG_OFFSET(TxDataPktCnt),
-	.cr_pktsendflowcnt = IPATH_CREG_OFFSET(TxFlowPktCnt),
-	.cr_portovflcnt = IPATH_CREG_OFFSET(RxP0HdrEgrOvflCnt),
-	.cr_rcvebpcnt = IPATH_CREG_OFFSET(RxEBPCnt),
-	.cr_rcvovflcnt = IPATH_CREG_OFFSET(RxBufOvflCnt),
-	.cr_senddropped = IPATH_CREG_OFFSET(TxDroppedPktCnt),
-	.cr_sendstallcnt = IPATH_CREG_OFFSET(TxFlowStallCnt),
-	.cr_sendunderruncnt = IPATH_CREG_OFFSET(TxUnderrunCnt),
-	.cr_wordrcvcnt = IPATH_CREG_OFFSET(RxDwordCnt),
-	.cr_wordsendcnt = IPATH_CREG_OFFSET(TxDwordCnt),
-	.cr_unsupvlcnt = IPATH_CREG_OFFSET(TxUnsupVLErrCnt),
-	.cr_rxdroppktcnt = IPATH_CREG_OFFSET(RxDroppedPktCnt),
-	.cr_iblinkerrrecovcnt = IPATH_CREG_OFFSET(IBLinkErrRecoveryCnt),
-	.cr_iblinkdowncnt = IPATH_CREG_OFFSET(IBLinkDownedCnt),
-	.cr_ibsymbolerrcnt = IPATH_CREG_OFFSET(IBSymbolErrCnt),
-	.cr_vl15droppedpktcnt = IPATH_CREG_OFFSET(RxVL15DroppedPktCnt),
-	.cr_rxotherlocalphyerrcnt =
-		IPATH_CREG_OFFSET(RxOtherLocalPhyErrCnt),
-	.cr_excessbufferovflcnt = IPATH_CREG_OFFSET(ExcessBufferOvflCnt),
-	.cr_locallinkintegrityerrcnt =
-		IPATH_CREG_OFFSET(LocalLinkIntegrityErrCnt),
-	.cr_rxvlerrcnt = IPATH_CREG_OFFSET(RxVlErrCnt),
-	.cr_rxdlidfltrcnt = IPATH_CREG_OFFSET(RxDlidFltrCnt),
-	.cr_psstat = IPATH_CREG_OFFSET(PSStat),
-	.cr_psstart = IPATH_CREG_OFFSET(PSStart),
-	.cr_psinterval = IPATH_CREG_OFFSET(PSInterval),
-	.cr_psrcvdatacount = IPATH_CREG_OFFSET(PSRcvDataCount),
-	.cr_psrcvpktscount = IPATH_CREG_OFFSET(PSRcvPktsCount),
-	.cr_psxmitdatacount = IPATH_CREG_OFFSET(PSXmitDataCount),
-	.cr_psxmitpktscount = IPATH_CREG_OFFSET(PSXmitPktsCount),
-	.cr_psxmitwaitcount = IPATH_CREG_OFFSET(PSXmitWaitCount),
-};
-
-/* kr_control bits */
-#define INFINIPATH_C_RESET (1U<<7)
-
-/* kr_intstatus, kr_intclear, kr_intmask bits */
-#define INFINIPATH_I_RCVURG_MASK ((1ULL<<17)-1)
-#define INFINIPATH_I_RCVURG_SHIFT 32
-#define INFINIPATH_I_RCVAVAIL_MASK ((1ULL<<17)-1)
-#define INFINIPATH_I_RCVAVAIL_SHIFT 0
-#define INFINIPATH_I_SERDESTRIMDONE (1ULL<<27)
-
-/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
-#define INFINIPATH_HWE_PCIEMEMPARITYERR_MASK  0x00000000000000ffULL
-#define INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT 0
-#define INFINIPATH_HWE_PCIEPOISONEDTLP      0x0000000010000000ULL
-#define INFINIPATH_HWE_PCIECPLTIMEOUT       0x0000000020000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYXTLH    0x0000000040000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYXADM    0x0000000080000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYRADM    0x0000000100000000ULL
-#define INFINIPATH_HWE_COREPLL_FBSLIP       0x0080000000000000ULL
-#define INFINIPATH_HWE_COREPLL_RFSLIP       0x0100000000000000ULL
-#define INFINIPATH_HWE_PCIE1PLLFAILED       0x0400000000000000ULL
-#define INFINIPATH_HWE_PCIE0PLLFAILED       0x0800000000000000ULL
-#define INFINIPATH_HWE_SERDESPLLFAILED      0x1000000000000000ULL
-/* specific to this chip */
-#define INFINIPATH_HWE_PCIECPLDATAQUEUEERR         0x0000000000000040ULL
-#define INFINIPATH_HWE_PCIECPLHDRQUEUEERR          0x0000000000000080ULL
-#define INFINIPATH_HWE_SDMAMEMREADERR              0x0000000010000000ULL
-#define INFINIPATH_HWE_CLK_UC_PLLNOTLOCKED	   0x2000000000000000ULL
-#define INFINIPATH_HWE_PCIESERDESQ0PCLKNOTDETECT   0x0100000000000000ULL
-#define INFINIPATH_HWE_PCIESERDESQ1PCLKNOTDETECT   0x0200000000000000ULL
-#define INFINIPATH_HWE_PCIESERDESQ2PCLKNOTDETECT   0x0400000000000000ULL
-#define INFINIPATH_HWE_PCIESERDESQ3PCLKNOTDETECT   0x0800000000000000ULL
-#define INFINIPATH_HWE_DDSRXEQMEMORYPARITYERR	   0x0000008000000000ULL
-#define INFINIPATH_HWE_IB_UC_MEMORYPARITYERR	   0x0000004000000000ULL
-#define INFINIPATH_HWE_PCIE_UC_OCT0MEMORYPARITYERR 0x0000001000000000ULL
-#define INFINIPATH_HWE_PCIE_UC_OCT1MEMORYPARITYERR 0x0000002000000000ULL
-
-#define IBA7220_IBCS_LINKTRAININGSTATE_MASK 0x1F
-#define IBA7220_IBCS_LINKSTATE_SHIFT 5
-#define IBA7220_IBCS_LINKSPEED_SHIFT 8
-#define IBA7220_IBCS_LINKWIDTH_SHIFT 9
-
-#define IBA7220_IBCC_LINKINITCMD_MASK 0x7ULL
-#define IBA7220_IBCC_LINKCMD_SHIFT 19
-#define IBA7220_IBCC_MAXPKTLEN_SHIFT 21
-
-/* kr_ibcddrctrl bits */
-#define IBA7220_IBC_DLIDLMC_MASK	0xFFFFFFFFUL
-#define IBA7220_IBC_DLIDLMC_SHIFT	32
-#define IBA7220_IBC_HRTBT_MASK	3
-#define IBA7220_IBC_HRTBT_SHIFT	16
-#define IBA7220_IBC_HRTBT_ENB	0x10000UL
-#define IBA7220_IBC_LANE_REV_SUPPORTED (1<<8)
-#define IBA7220_IBC_LREV_MASK	1
-#define IBA7220_IBC_LREV_SHIFT	8
-#define IBA7220_IBC_RXPOL_MASK	1
-#define IBA7220_IBC_RXPOL_SHIFT	7
-#define IBA7220_IBC_WIDTH_SHIFT	5
-#define IBA7220_IBC_WIDTH_MASK	0x3
-#define IBA7220_IBC_WIDTH_1X_ONLY	(0<<IBA7220_IBC_WIDTH_SHIFT)
-#define IBA7220_IBC_WIDTH_4X_ONLY	(1<<IBA7220_IBC_WIDTH_SHIFT)
-#define IBA7220_IBC_WIDTH_AUTONEG	(2<<IBA7220_IBC_WIDTH_SHIFT)
-#define IBA7220_IBC_SPEED_AUTONEG	(1<<1)
-#define IBA7220_IBC_SPEED_SDR		(1<<2)
-#define IBA7220_IBC_SPEED_DDR		(1<<3)
-#define IBA7220_IBC_SPEED_AUTONEG_MASK  (0x7<<1)
-#define IBA7220_IBC_IBTA_1_2_MASK	(1)
-
-/* kr_ibcddrstatus */
-/* link latency shift is 0, don't bother defining */
-#define IBA7220_DDRSTAT_LINKLAT_MASK    0x3ffffff
-
-/* kr_extstatus bits */
-#define INFINIPATH_EXTS_FREQSEL 0x2
-#define INFINIPATH_EXTS_SERDESSEL 0x4
-#define INFINIPATH_EXTS_MEMBIST_ENDTEST     0x0000000000004000
-#define INFINIPATH_EXTS_MEMBIST_DISABLED    0x0000000000008000
-
-/* kr_xgxsconfig bits */
-#define INFINIPATH_XGXS_RESET          0x5ULL
-#define INFINIPATH_XGXS_FC_SAFE        (1ULL<<63)
-
-/* kr_rcvpktledcnt */
-#define IBA7220_LEDBLINK_ON_SHIFT 32 /* 4ns period on after packet */
-#define IBA7220_LEDBLINK_OFF_SHIFT 0 /* 4ns period off before next on */
-
-#define _IPATH_GPIO_SDA_NUM 1
-#define _IPATH_GPIO_SCL_NUM 0
-
-#define IPATH_GPIO_SDA (1ULL << \
-	(_IPATH_GPIO_SDA_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
-#define IPATH_GPIO_SCL (1ULL << \
-	(_IPATH_GPIO_SCL_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
-
-#define IBA7220_R_INTRAVAIL_SHIFT 17
-#define IBA7220_R_TAILUPD_SHIFT 35
-#define IBA7220_R_PORTCFG_SHIFT 36
-
-#define INFINIPATH_JINT_PACKETSHIFT 16
-#define INFINIPATH_JINT_DEFAULT_IDLE_TICKS  0
-#define INFINIPATH_JINT_DEFAULT_MAX_PACKETS 0
-
-#define IBA7220_HDRHEAD_PKTINT_SHIFT 32 /* interrupt cnt in upper 32 bits */
-
-/*
- * the size bits give us 2^N, in KB units.  0 marks as invalid,
- * and 7 is reserved.  We currently use only 2KB and 4KB
- */
-#define IBA7220_TID_SZ_SHIFT 37 /* shift to 3bit size selector */
-#define IBA7220_TID_SZ_2K (1UL<<IBA7220_TID_SZ_SHIFT) /* 2KB */
-#define IBA7220_TID_SZ_4K (2UL<<IBA7220_TID_SZ_SHIFT) /* 4KB */
-#define IBA7220_TID_PA_SHIFT 11U /* TID addr in chip stored w/o low bits */
-
-#define IPATH_AUTONEG_TRIES 5 /* sequential retries to negotiate DDR */
-
-static char int_type[16] = "auto";
-module_param_string(interrupt_type, int_type, sizeof(int_type), 0444);
-MODULE_PARM_DESC(int_type, " interrupt_type=auto|force_msi|force_intx");
-
-/* packet rate matching delay; chip has support */
-static u8 rate_to_delay[2][2] = {
-	/* 1x, 4x */
-	{   8, 2 }, /* SDR */
-	{   4, 1 }  /* DDR */
-};
-
-/* 7220 specific hardware errors... */
-static const struct ipath_hwerror_msgs ipath_7220_hwerror_msgs[] = {
-	INFINIPATH_HWE_MSG(PCIEPOISONEDTLP, "PCIe Poisoned TLP"),
-	INFINIPATH_HWE_MSG(PCIECPLTIMEOUT, "PCIe completion timeout"),
-	/*
-	 * In practice, it's unlikely wthat we'll see PCIe PLL, or bus
-	 * parity or memory parity error failures, because most likely we
-	 * won't be able to talk to the core of the chip.  Nonetheless, we
-	 * might see them, if they are in parts of the PCIe core that aren't
-	 * essential.
-	 */
-	INFINIPATH_HWE_MSG(PCIE1PLLFAILED, "PCIePLL1"),
-	INFINIPATH_HWE_MSG(PCIE0PLLFAILED, "PCIePLL0"),
-	INFINIPATH_HWE_MSG(PCIEBUSPARITYXTLH, "PCIe XTLH core parity"),
-	INFINIPATH_HWE_MSG(PCIEBUSPARITYXADM, "PCIe ADM TX core parity"),
-	INFINIPATH_HWE_MSG(PCIEBUSPARITYRADM, "PCIe ADM RX core parity"),
-	INFINIPATH_HWE_MSG(RXDSYNCMEMPARITYERR, "Rx Dsync"),
-	INFINIPATH_HWE_MSG(SERDESPLLFAILED, "SerDes PLL"),
-	INFINIPATH_HWE_MSG(PCIECPLDATAQUEUEERR, "PCIe cpl header queue"),
-	INFINIPATH_HWE_MSG(PCIECPLHDRQUEUEERR, "PCIe cpl data queue"),
-	INFINIPATH_HWE_MSG(SDMAMEMREADERR, "Send DMA memory read"),
-	INFINIPATH_HWE_MSG(CLK_UC_PLLNOTLOCKED, "uC PLL clock not locked"),
-	INFINIPATH_HWE_MSG(PCIESERDESQ0PCLKNOTDETECT,
-		"PCIe serdes Q0 no clock"),
-	INFINIPATH_HWE_MSG(PCIESERDESQ1PCLKNOTDETECT,
-		"PCIe serdes Q1 no clock"),
-	INFINIPATH_HWE_MSG(PCIESERDESQ2PCLKNOTDETECT,
-		"PCIe serdes Q2 no clock"),
-	INFINIPATH_HWE_MSG(PCIESERDESQ3PCLKNOTDETECT,
-		"PCIe serdes Q3 no clock"),
-	INFINIPATH_HWE_MSG(DDSRXEQMEMORYPARITYERR,
-		"DDS RXEQ memory parity"),
-	INFINIPATH_HWE_MSG(IB_UC_MEMORYPARITYERR, "IB uC memory parity"),
-	INFINIPATH_HWE_MSG(PCIE_UC_OCT0MEMORYPARITYERR,
-		"PCIe uC oct0 memory parity"),
-	INFINIPATH_HWE_MSG(PCIE_UC_OCT1MEMORYPARITYERR,
-		"PCIe uC oct1 memory parity"),
-};
-
-static void autoneg_work(struct work_struct *);
-
-/*
- * the offset is different for different configured port numbers, since
- * port0 is fixed in size, but others can vary.   Make it a function to
- * make the issue more obvious.
-*/
-static inline u32 port_egrtid_idx(struct ipath_devdata *dd, unsigned port)
-{
-	 return port ? dd->ipath_p0_rcvegrcnt +
-		 (port-1) * dd->ipath_rcvegrcnt : 0;
-}
-
-static void ipath_7220_txe_recover(struct ipath_devdata *dd)
-{
-	++ipath_stats.sps_txeparity;
-
-	dev_info(&dd->pcidev->dev,
-		"Recovering from TXE PIO parity error\n");
-	ipath_disarm_senderrbufs(dd);
-}
-
-
-/**
- * ipath_7220_handle_hwerrors - display hardware errors.
- * @dd: the infinipath device
- * @msg: the output buffer
- * @msgl: the size of the output buffer
- *
- * Use same msg buffer as regular errors to avoid excessive stack
- * use.  Most hardware errors are catastrophic, but for right now,
- * we'll print them and continue.  We reuse the same message buffer as
- * ipath_handle_errors() to avoid excessive stack usage.
- */
-static void ipath_7220_handle_hwerrors(struct ipath_devdata *dd, char *msg,
-				       size_t msgl)
-{
-	ipath_err_t hwerrs;
-	u32 bits, ctrl;
-	int isfatal = 0;
-	char bitsmsg[64];
-	int log_idx;
-
-	hwerrs = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus);
-	if (!hwerrs) {
-		/*
-		 * better than printing cofusing messages
-		 * This seems to be related to clearing the crc error, or
-		 * the pll error during init.
-		 */
-		ipath_cdbg(VERBOSE, "Called but no hardware errors set\n");
-		goto bail;
-	} else if (hwerrs == ~0ULL) {
-		ipath_dev_err(dd, "Read of hardware error status failed "
-			      "(all bits set); ignoring\n");
-		goto bail;
-	}
-	ipath_stats.sps_hwerrs++;
-
-	/*
-	 * Always clear the error status register, except MEMBISTFAIL,
-	 * regardless of whether we continue or stop using the chip.
-	 * We want that set so we know it failed, even across driver reload.
-	 * We'll still ignore it in the hwerrmask.  We do this partly for
-	 * diagnostics, but also for support.
-	 */
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
-			 hwerrs&~INFINIPATH_HWE_MEMBISTFAILED);
-
-	hwerrs &= dd->ipath_hwerrmask;
-
-	/* We log some errors to EEPROM, check if we have any of those. */
-	for (log_idx = 0; log_idx < IPATH_EEP_LOG_CNT; ++log_idx)
-		if (hwerrs & dd->ipath_eep_st_masks[log_idx].hwerrs_to_log)
-			ipath_inc_eeprom_err(dd, log_idx, 1);
-	/*
-	 * Make sure we get this much out, unless told to be quiet,
-	 * or it's occurred within the last 5 seconds.
-	 */
-	if ((hwerrs & ~(dd->ipath_lasthwerror |
-			((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
-			  INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
-			 << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT))) ||
-	    (ipath_debug & __IPATH_VERBDBG))
-		dev_info(&dd->pcidev->dev, "Hardware error: hwerr=0x%llx "
-			 "(cleared)\n", (unsigned long long) hwerrs);
-	dd->ipath_lasthwerror |= hwerrs;
-
-	if (hwerrs & ~dd->ipath_hwe_bitsextant)
-		ipath_dev_err(dd, "hwerror interrupt with unknown errors "
-			      "%llx set\n", (unsigned long long)
-			      (hwerrs & ~dd->ipath_hwe_bitsextant));
-
-	if (hwerrs & INFINIPATH_HWE_IB_UC_MEMORYPARITYERR)
-		ipath_sd7220_clr_ibpar(dd);
-
-	ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
-	if ((ctrl & INFINIPATH_C_FREEZEMODE) && !ipath_diag_inuse) {
-		/*
-		 * Parity errors in send memory are recoverable by h/w
-		 * just do housekeeping, exit freeze mode and continue.
-		 */
-		if (hwerrs & ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
-			       INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
-			      << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT)) {
-			ipath_7220_txe_recover(dd);
-			hwerrs &= ~((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
-				     INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
-				    << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT);
-		}
-		if (hwerrs) {
-			/*
-			 * If any set that we aren't ignoring only make the
-			 * complaint once, in case it's stuck or recurring,
-			 * and we get here multiple times
-			 * Force link down, so switch knows, and
-			 * LEDs are turned off.
-			 */
-			if (dd->ipath_flags & IPATH_INITTED) {
-				ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
-				ipath_setup_7220_setextled(dd,
-					INFINIPATH_IBCS_L_STATE_DOWN,
-					INFINIPATH_IBCS_LT_STATE_DISABLED);
-				ipath_dev_err(dd, "Fatal Hardware Error "
-					      "(freeze mode), no longer"
-					      " usable, SN %.16s\n",
-						  dd->ipath_serial);
-				isfatal = 1;
-			}
-			/*
-			 * Mark as having had an error for driver, and also
-			 * for /sys and status word mapped to user programs.
-			 * This marks unit as not usable, until reset.
-			 */
-			*dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
-			*dd->ipath_statusp |= IPATH_STATUS_HWERROR;
-			dd->ipath_flags &= ~IPATH_INITTED;
-		} else {
-			ipath_dbg("Clearing freezemode on ignored or "
-				"recovered hardware error\n");
-			ipath_clear_freeze(dd);
-		}
-	}
-
-	*msg = '\0';
-
-	if (hwerrs & INFINIPATH_HWE_MEMBISTFAILED) {
-		strlcat(msg, "[Memory BIST test failed, "
-			"InfiniPath hardware unusable]", msgl);
-		/* ignore from now on, so disable until driver reloaded */
-		*dd->ipath_statusp |= IPATH_STATUS_HWERROR;
-		dd->ipath_hwerrmask &= ~INFINIPATH_HWE_MEMBISTFAILED;
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-				 dd->ipath_hwerrmask);
-	}
-
-	ipath_format_hwerrors(hwerrs,
-			      ipath_7220_hwerror_msgs,
-			      ARRAY_SIZE(ipath_7220_hwerror_msgs),
-			      msg, msgl);
-
-	if (hwerrs & (INFINIPATH_HWE_PCIEMEMPARITYERR_MASK
-		      << INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT)) {
-		bits = (u32) ((hwerrs >>
-			       INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT) &
-			      INFINIPATH_HWE_PCIEMEMPARITYERR_MASK);
-		snprintf(bitsmsg, sizeof bitsmsg,
-			 "[PCIe Mem Parity Errs %x] ", bits);
-		strlcat(msg, bitsmsg, msgl);
-	}
-
-#define _IPATH_PLL_FAIL (INFINIPATH_HWE_COREPLL_FBSLIP |	\
-			 INFINIPATH_HWE_COREPLL_RFSLIP)
-
-	if (hwerrs & _IPATH_PLL_FAIL) {
-		snprintf(bitsmsg, sizeof bitsmsg,
-			 "[PLL failed (%llx), InfiniPath hardware unusable]",
-			 (unsigned long long) hwerrs & _IPATH_PLL_FAIL);
-		strlcat(msg, bitsmsg, msgl);
-		/* ignore from now on, so disable until driver reloaded */
-		dd->ipath_hwerrmask &= ~(hwerrs & _IPATH_PLL_FAIL);
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-				 dd->ipath_hwerrmask);
-	}
-
-	if (hwerrs & INFINIPATH_HWE_SERDESPLLFAILED) {
-		/*
-		 * If it occurs, it is left masked since the eternal
-		 * interface is unused.
-		 */
-		dd->ipath_hwerrmask &= ~INFINIPATH_HWE_SERDESPLLFAILED;
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-				 dd->ipath_hwerrmask);
-	}
-
-	ipath_dev_err(dd, "%s hardware error\n", msg);
-	/*
-	 * For /sys status file. if no trailing } is copied, we'll
-	 * know it was truncated.
-	 */
-	if (isfatal && !ipath_diag_inuse && dd->ipath_freezemsg)
-		snprintf(dd->ipath_freezemsg, dd->ipath_freezelen,
-			 "{%s}", msg);
-bail:;
-}
-
-/**
- * ipath_7220_boardname - fill in the board name
- * @dd: the infinipath device
- * @name: the output buffer
- * @namelen: the size of the output buffer
- *
- * info is based on the board revision register
- */
-static int ipath_7220_boardname(struct ipath_devdata *dd, char *name,
-	size_t namelen)
-{
-	char *n = NULL;
-	u8 boardrev = dd->ipath_boardrev;
-	int ret;
-
-	if (boardrev == 15) {
-		/*
-		 * Emulator sometimes comes up all-ones, rather than zero.
-		 */
-		boardrev = 0;
-		dd->ipath_boardrev = boardrev;
-	}
-	switch (boardrev) {
-	case 0:
-		n = "InfiniPath_7220_Emulation";
-		break;
-	case 1:
-		n = "InfiniPath_QLE7240";
-		break;
-	case 2:
-		n = "InfiniPath_QLE7280";
-		break;
-	case 3:
-		n = "InfiniPath_QLE7242";
-		break;
-	case 4:
-		n = "InfiniPath_QEM7240";
-		break;
-	case 5:
-		n = "InfiniPath_QMI7240";
-		break;
-	case 6:
-		n = "InfiniPath_QMI7264";
-		break;
-	case 7:
-		n = "InfiniPath_QMH7240";
-		break;
-	case 8:
-		n = "InfiniPath_QME7240";
-		break;
-	case 9:
-		n = "InfiniPath_QLE7250";
-		break;
-	case 10:
-		n = "InfiniPath_QLE7290";
-		break;
-	case 11:
-		n = "InfiniPath_QEM7250";
-		break;
-	case 12:
-		n = "InfiniPath_QLE-Bringup";
-		break;
-	default:
-		ipath_dev_err(dd,
-			      "Don't yet know about board with ID %u\n",
-			      boardrev);
-		snprintf(name, namelen, "Unknown_InfiniPath_PCIe_%u",
-			 boardrev);
-		break;
-	}
-	if (n)
-		snprintf(name, namelen, "%s", n);
-
-	if (dd->ipath_majrev != 5 || !dd->ipath_minrev ||
-		dd->ipath_minrev > 2) {
-		ipath_dev_err(dd, "Unsupported InfiniPath hardware "
-			      "revision %u.%u!\n",
-			      dd->ipath_majrev, dd->ipath_minrev);
-		ret = 1;
-	} else if (dd->ipath_minrev == 1 &&
-		!(dd->ipath_flags & IPATH_INITTED)) {
-		/* Rev1 chips are prototype. Complain at init, but allow use */
-		ipath_dev_err(dd, "Unsupported hardware "
-			      "revision %u.%u, Contact support@qlogic.com\n",
-			      dd->ipath_majrev, dd->ipath_minrev);
-		ret = 0;
-	} else
-		ret = 0;
-
-	/*
-	 * Set here not in ipath_init_*_funcs because we have to do
-	 * it after we can read chip registers.
-	 */
-	dd->ipath_ureg_align = 0x10000;  /* 64KB alignment */
-
-	return ret;
-}
-
-/**
- * ipath_7220_init_hwerrors - enable hardware errors
- * @dd: the infinipath device
- *
- * now that we have finished initializing everything that might reasonably
- * cause a hardware error, and cleared those errors bits as they occur,
- * we can enable hardware errors in the mask (potentially enabling
- * freeze mode), and enable hardware errors as errors (along with
- * everything else) in errormask
- */
-static void ipath_7220_init_hwerrors(struct ipath_devdata *dd)
-{
-	ipath_err_t val;
-	u64 extsval;
-
-	extsval = ipath_read_kreg64(dd, dd->ipath_kregs->kr_extstatus);
-
-	if (!(extsval & (INFINIPATH_EXTS_MEMBIST_ENDTEST |
-			INFINIPATH_EXTS_MEMBIST_DISABLED)))
-		ipath_dev_err(dd, "MemBIST did not complete!\n");
-	if (extsval & INFINIPATH_EXTS_MEMBIST_DISABLED)
-		dev_info(&dd->pcidev->dev, "MemBIST is disabled.\n");
-
-	val = ~0ULL;	/* barring bugs, all hwerrors become interrupts, */
-
-	if (!dd->ipath_boardrev)	/* no PLL for Emulator */
-		val &= ~INFINIPATH_HWE_SERDESPLLFAILED;
-
-	if (dd->ipath_minrev == 1)
-		val &= ~(1ULL << 42); /* TXE LaunchFIFO Parity rev1 issue */
-
-	val &= ~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR;
-	dd->ipath_hwerrmask = val;
-
-	/*
-	 * special trigger "error" is for debugging purposes. It
-	 * works around a processor/chipset problem.  The error
-	 * interrupt allows us to count occurrences, but we don't
-	 * want to pay the overhead for normal use.  Emulation only
-	 */
-	if (!dd->ipath_boardrev)
-		dd->ipath_maskederrs = INFINIPATH_E_SENDSPECIALTRIGGER;
-}
-
-/*
- * All detailed interaction with the SerDes has been moved to ipath_sd7220.c
- *
- * The portion of IBA7220-specific bringup_serdes() that actually deals with
- * registers and memory within the SerDes itself is ipath_sd7220_init().
- */
-
-/**
- * ipath_7220_bringup_serdes - bring up the serdes
- * @dd: the infinipath device
- */
-static int ipath_7220_bringup_serdes(struct ipath_devdata *dd)
-{
-	int ret = 0;
-	u64 val, prev_val, guid;
-	int was_reset;		/* Note whether uC was reset */
-
-	ipath_dbg("Trying to bringup serdes\n");
-
-	if (ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus) &
-	    INFINIPATH_HWE_SERDESPLLFAILED) {
-		ipath_dbg("At start, serdes PLL failed bit set "
-			  "in hwerrstatus, clearing and continuing\n");
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
-				 INFINIPATH_HWE_SERDESPLLFAILED);
-	}
-
-	dd->ibdeltainprog = 1;
-	dd->ibsymsnap =
-	     ipath_read_creg32(dd, dd->ipath_cregs->cr_ibsymbolerrcnt);
-	dd->iblnkerrsnap =
-	     ipath_read_creg32(dd, dd->ipath_cregs->cr_iblinkerrrecovcnt);
-
-	if (!dd->ipath_ibcddrctrl) {
-		/* not on re-init after reset */
-		dd->ipath_ibcddrctrl =
-			ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcddrctrl);
-
-		if (dd->ipath_link_speed_enabled ==
-			(IPATH_IB_SDR | IPATH_IB_DDR))
-			dd->ipath_ibcddrctrl |=
-				IBA7220_IBC_SPEED_AUTONEG_MASK |
-				IBA7220_IBC_IBTA_1_2_MASK;
-		else
-			dd->ipath_ibcddrctrl |=
-				dd->ipath_link_speed_enabled == IPATH_IB_DDR
-				?  IBA7220_IBC_SPEED_DDR :
-				IBA7220_IBC_SPEED_SDR;
-		if ((dd->ipath_link_width_enabled & (IB_WIDTH_1X |
-			IB_WIDTH_4X)) == (IB_WIDTH_1X | IB_WIDTH_4X))
-			dd->ipath_ibcddrctrl |= IBA7220_IBC_WIDTH_AUTONEG;
-		else
-			dd->ipath_ibcddrctrl |=
-				dd->ipath_link_width_enabled == IB_WIDTH_4X
-				? IBA7220_IBC_WIDTH_4X_ONLY :
-				IBA7220_IBC_WIDTH_1X_ONLY;
-
-		/* always enable these on driver reload, not sticky */
-		dd->ipath_ibcddrctrl |=
-			IBA7220_IBC_RXPOL_MASK << IBA7220_IBC_RXPOL_SHIFT;
-		dd->ipath_ibcddrctrl |=
-			IBA7220_IBC_HRTBT_MASK << IBA7220_IBC_HRTBT_SHIFT;
-		/*
-		 * automatic lane reversal detection for receive
-		 * doesn't work correctly in rev 1, so disable it
-		 * on that rev, otherwise enable (disabling not
-		 * sticky across reload for >rev1)
-		 */
-		if (dd->ipath_minrev == 1)
-			dd->ipath_ibcddrctrl &=
-			~IBA7220_IBC_LANE_REV_SUPPORTED;
-		else
-			dd->ipath_ibcddrctrl |=
-				IBA7220_IBC_LANE_REV_SUPPORTED;
-	}
-
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
-			dd->ipath_ibcddrctrl);
-
-	ipath_write_kreg(dd, IPATH_KREG_OFFSET(IBNCModeCtrl), 0Ull);
-
-	/* IBA7220 has SERDES MPU reset in D0 of what _was_ IBPLLCfg */
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibserdesctrl);
-	/* remember if uC was in Reset or not, for dactrim */
-	was_reset = (val & 1);
-	ipath_cdbg(VERBOSE, "IBReset %s xgxsconfig %llx\n",
-		   was_reset ? "Asserted" : "Negated", (unsigned long long)
-		   ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
-
-	if (dd->ipath_boardrev) {
-		/*
-		 * Hardware is not emulator, and may have been reset. Init it.
-		 * Below will release reset, but needs to know if chip was
-		 * originally in reset, to only trim DACs on first time
-		 * after chip reset or powercycle (not driver reload)
-		 */
-		ret = ipath_sd7220_init(dd, was_reset);
-	}
-
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
-	prev_val = val;
-	val |= INFINIPATH_XGXS_FC_SAFE;
-	if (val != prev_val) {
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-	}
-	if (val & INFINIPATH_XGXS_RESET)
-		val &= ~INFINIPATH_XGXS_RESET;
-	if (val != prev_val)
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
-
-	ipath_cdbg(VERBOSE, "done: xgxs=%llx from %llx\n",
-		   (unsigned long long)
-		   ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig),
-		   (unsigned long long) prev_val);
-
-	guid = be64_to_cpu(dd->ipath_guid);
-
-	if (!guid) {
-		/* have to have something, so use likely unique tsc */
-		guid = get_cycles();
-		ipath_dbg("No GUID for heartbeat, faking %llx\n",
-			(unsigned long long)guid);
-	} else
-		ipath_cdbg(VERBOSE, "Wrote %llX to HRTBT_GUID\n",
-			(unsigned long long) guid);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_hrtbt_guid, guid);
-	return ret;
-}
-
-static void ipath_7220_config_jint(struct ipath_devdata *dd,
-				   u16 idle_ticks, u16 max_packets)
-{
-
-	/*
-	 * We can request a receive interrupt for 1 or more packets
-	 * from current offset.
-	 */
-	if (idle_ticks == 0 || max_packets == 0)
-		/* interrupt after one packet if no mitigation */
-		dd->ipath_rhdrhead_intr_off =
-			1ULL << IBA7220_HDRHEAD_PKTINT_SHIFT;
-	else
-		/* Turn off RcvHdrHead interrupts if using mitigation */
-		dd->ipath_rhdrhead_intr_off = 0ULL;
-
-	/* refresh kernel RcvHdrHead registers... */
-	ipath_write_ureg(dd, ur_rcvhdrhead,
-			 dd->ipath_rhdrhead_intr_off |
-			 dd->ipath_pd[0]->port_head, 0);
-
-	dd->ipath_jint_max_packets = max_packets;
-	dd->ipath_jint_idle_ticks = idle_ticks;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_jintreload,
-			 ((u64) max_packets << INFINIPATH_JINT_PACKETSHIFT) |
-			 idle_ticks);
-}
-
-/**
- * ipath_7220_quiet_serdes - set serdes to txidle
- * @dd: the infinipath device
- * Called when driver is being unloaded
- */
-static void ipath_7220_quiet_serdes(struct ipath_devdata *dd)
-{
-	u64 val;
-	if (dd->ibsymdelta || dd->iblnkerrdelta ||
-	    dd->ibdeltainprog) {
-		u64 diagc;
-		/* enable counter writes */
-		diagc = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwdiagctrl);
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwdiagctrl,
-				 diagc | INFINIPATH_DC_COUNTERWREN);
-
-		if (dd->ibsymdelta || dd->ibdeltainprog) {
-			val = ipath_read_creg32(dd,
-					dd->ipath_cregs->cr_ibsymbolerrcnt);
-			if (dd->ibdeltainprog)
-				val -= val - dd->ibsymsnap;
-			val -= dd->ibsymdelta;
-			ipath_write_creg(dd,
-				  dd->ipath_cregs->cr_ibsymbolerrcnt, val);
-		}
-		if (dd->iblnkerrdelta || dd->ibdeltainprog) {
-			val = ipath_read_creg32(dd,
-					dd->ipath_cregs->cr_iblinkerrrecovcnt);
-			if (dd->ibdeltainprog)
-				val -= val - dd->iblnkerrsnap;
-			val -= dd->iblnkerrdelta;
-			ipath_write_creg(dd,
-				   dd->ipath_cregs->cr_iblinkerrrecovcnt, val);
-	     }
-
-	     /* and disable counter writes */
-	     ipath_write_kreg(dd, dd->ipath_kregs->kr_hwdiagctrl, diagc);
-	}
-
-	dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
-	wake_up(&dd->ipath_autoneg_wait);
-	cancel_delayed_work(&dd->ipath_autoneg_work);
-	flush_scheduled_work();
-	ipath_shutdown_relock_poll(dd);
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
-	val |= INFINIPATH_XGXS_RESET;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
-}
-
-static int ipath_7220_intconfig(struct ipath_devdata *dd)
-{
-	ipath_7220_config_jint(dd, dd->ipath_jint_idle_ticks,
-			       dd->ipath_jint_max_packets);
-	return 0;
-}
-
-/**
- * ipath_setup_7220_setextled - set the state of the two external LEDs
- * @dd: the infinipath device
- * @lst: the L state
- * @ltst: the LT state
- *
- * These LEDs indicate the physical and logical state of IB link.
- * For this chip (at least with recommended board pinouts), LED1
- * is Yellow (logical state) and LED2 is Green (physical state),
- *
- * Note:  We try to match the Mellanox HCA LED behavior as best
- * we can.  Green indicates physical link state is OK (something is
- * plugged in, and we can train).
- * Amber indicates the link is logically up (ACTIVE).
- * Mellanox further blinks the amber LED to indicate data packet
- * activity, but we have no hardware support for that, so it would
- * require waking up every 10-20 msecs and checking the counters
- * on the chip, and then turning the LED off if appropriate.  That's
- * visible overhead, so not something we will do.
- *
- */
-static void ipath_setup_7220_setextled(struct ipath_devdata *dd, u64 lst,
-				       u64 ltst)
-{
-	u64 extctl, ledblink = 0;
-	unsigned long flags = 0;
-
-	/* the diags use the LED to indicate diag info, so we leave
-	 * the external LED alone when the diags are running */
-	if (ipath_diag_inuse)
-		return;
-
-	/* Allow override of LED display for, e.g. Locating system in rack */
-	if (dd->ipath_led_override) {
-		ltst = (dd->ipath_led_override & IPATH_LED_PHYS)
-			? INFINIPATH_IBCS_LT_STATE_LINKUP
-			: INFINIPATH_IBCS_LT_STATE_DISABLED;
-		lst = (dd->ipath_led_override & IPATH_LED_LOG)
-			? INFINIPATH_IBCS_L_STATE_ACTIVE
-			: INFINIPATH_IBCS_L_STATE_DOWN;
-	}
-
-	spin_lock_irqsave(&dd->ipath_gpio_lock, flags);
-	extctl = dd->ipath_extctrl & ~(INFINIPATH_EXTC_LED1PRIPORT_ON |
-				       INFINIPATH_EXTC_LED2PRIPORT_ON);
-	if (ltst == INFINIPATH_IBCS_LT_STATE_LINKUP) {
-		extctl |= INFINIPATH_EXTC_LED1PRIPORT_ON;
-		/*
-		 * counts are in chip clock (4ns) periods.
-		 * This is 1/16 sec (66.6ms) on,
-		 * 3/16 sec (187.5 ms) off, with packets rcvd
-		 */
-		ledblink = ((66600*1000UL/4) << IBA7220_LEDBLINK_ON_SHIFT)
-			| ((187500*1000UL/4) << IBA7220_LEDBLINK_OFF_SHIFT);
-	}
-	if (lst == INFINIPATH_IBCS_L_STATE_ACTIVE)
-		extctl |= INFINIPATH_EXTC_LED2PRIPORT_ON;
-	dd->ipath_extctrl = extctl;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_extctrl, extctl);
-	spin_unlock_irqrestore(&dd->ipath_gpio_lock, flags);
-
-	if (ledblink) /* blink the LED on packet receive */
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvpktledcnt,
-			ledblink);
-}
-
-/*
- * Similar to pci_intx(pdev, 1), except that we make sure
- * msi is off...
- */
-static void ipath_enable_intx(struct pci_dev *pdev)
-{
-	u16 cw, new;
-	int pos;
-
-	/* first, turn on INTx */
-	pci_read_config_word(pdev, PCI_COMMAND, &cw);
-	new = cw & ~PCI_COMMAND_INTX_DISABLE;
-	if (new != cw)
-		pci_write_config_word(pdev, PCI_COMMAND, new);
-
-	/* then turn off MSI */
-	pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
-	if (pos) {
-		pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &cw);
-		new = cw & ~PCI_MSI_FLAGS_ENABLE;
-		if (new != cw)
-			pci_write_config_word(pdev, pos + PCI_MSI_FLAGS, new);
-	}
-}
-
-static int ipath_msi_enabled(struct pci_dev *pdev)
-{
-	int pos, ret = 0;
-
-	pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
-	if (pos) {
-		u16 cw;
-
-		pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &cw);
-		ret = !!(cw & PCI_MSI_FLAGS_ENABLE);
-	}
-	return ret;
-}
-
-/*
- * disable msi interrupt if enabled, and clear the flag.
- * flag is used primarily for the fallback to INTx, but
- * is also used in reinit after reset as a flag.
- */
-static void ipath_7220_nomsi(struct ipath_devdata *dd)
-{
-	dd->ipath_msi_lo = 0;
-
-	if (ipath_msi_enabled(dd->pcidev)) {
-		/*
-		 * free, but don't zero; later kernels require
-		 * it be freed before disable_msi, so the intx
-		 * setup has to request it again.
-		 */
-		 if (dd->ipath_irq)
-			free_irq(dd->ipath_irq, dd);
-		pci_disable_msi(dd->pcidev);
-	}
-}
-
-/*
- * ipath_setup_7220_cleanup - clean up any per-chip chip-specific stuff
- * @dd: the infinipath device
- *
- * Nothing but msi interrupt cleanup for now.
- *
- * This is called during driver unload.
- */
-static void ipath_setup_7220_cleanup(struct ipath_devdata *dd)
-{
-	ipath_7220_nomsi(dd);
-}
-
-
-static void ipath_7220_pcie_params(struct ipath_devdata *dd, u32 boardrev)
-{
-	u16 linkstat, minwidth, speed;
-	int pos;
-
-	pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_EXP);
-	if (!pos) {
-		ipath_dev_err(dd, "Can't find PCI Express capability!\n");
-		goto bail;
-	}
-
-	pci_read_config_word(dd->pcidev, pos + PCI_EXP_LNKSTA,
-			     &linkstat);
-	/*
-	 * speed is bits 0-4, linkwidth is bits 4-8
-	 * no defines for them in headers
-	 */
-	speed = linkstat & 0xf;
-	linkstat >>= 4;
-	linkstat &= 0x1f;
-	dd->ipath_lbus_width = linkstat;
-	switch (boardrev) {
-	case 0:
-	case 2:
-	case 10:
-	case 12:
-		minwidth = 16; /* x16 capable boards */
-		break;
-	default:
-		minwidth = 8; /* x8 capable boards */
-		break;
-	}
-
-	switch (speed) {
-	case 1:
-		dd->ipath_lbus_speed = 2500; /* Gen1, 2.5GHz */
-		break;
-	case 2:
-		dd->ipath_lbus_speed = 5000; /* Gen1, 5GHz */
-		break;
-	default: /* not defined, assume gen1 */
-		dd->ipath_lbus_speed = 2500;
-		break;
-	}
-
-	if (linkstat < minwidth)
-		ipath_dev_err(dd,
-			"PCIe width %u (x%u HCA), performance "
-			"reduced\n", linkstat, minwidth);
-	else
-		ipath_cdbg(VERBOSE, "PCIe speed %u width %u (x%u HCA)\n",
-			dd->ipath_lbus_speed, linkstat, minwidth);
-
-	if (speed != 1)
-		ipath_dev_err(dd,
-			"PCIe linkspeed %u is incorrect; "
-			"should be 1 (2500)!\n", speed);
-
-bail:
-	/* fill in string, even on errors */
-	snprintf(dd->ipath_lbus_info, sizeof(dd->ipath_lbus_info),
-		"PCIe,%uMHz,x%u\n",
-		dd->ipath_lbus_speed,
-		dd->ipath_lbus_width);
-	return;
-}
-
-
-/**
- * ipath_setup_7220_config - setup PCIe config related stuff
- * @dd: the infinipath device
- * @pdev: the PCI device
- *
- * The pci_enable_msi() call will fail on systems with MSI quirks
- * such as those with AMD8131, even if the device of interest is not
- * attached to that device, (in the 2.6.13 - 2.6.15 kernels, at least, fixed
- * late in 2.6.16).
- * All that can be done is to edit the kernel source to remove the quirk
- * check until that is fixed.
- * We do not need to call enable_msi() for our HyperTransport chip,
- * even though it uses MSI, and we want to avoid the quirk warning, so
- * So we call enable_msi only for PCIe.  If we do end up needing
- * pci_enable_msi at some point in the future for HT, we'll move the
- * call back into the main init_one code.
- * We save the msi lo and hi values, so we can restore them after
- * chip reset (the kernel PCI infrastructure doesn't yet handle that
- * correctly).
- */
-static int ipath_setup_7220_config(struct ipath_devdata *dd,
-				   struct pci_dev *pdev)
-{
-	int pos, ret = -1;
-	u32 boardrev;
-
-	dd->ipath_msi_lo = 0;	/* used as a flag during reset processing */
-
-	pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
-	if (!strcmp(int_type, "force_msi") || !strcmp(int_type, "auto"))
-		ret = pci_enable_msi(pdev);
-	if (ret) {
-		if (!strcmp(int_type, "force_msi")) {
-			ipath_dev_err(dd, "pci_enable_msi failed: %d, "
-				      "force_msi is on, so not continuing.\n",
-				      ret);
-			return ret;
-		}
-
-		ipath_enable_intx(pdev);
-		if (!strcmp(int_type, "auto"))
-			ipath_dev_err(dd, "pci_enable_msi failed: %d, "
-				      "falling back to INTx\n", ret);
-	} else if (pos) {
-		u16 control;
-		pci_read_config_dword(pdev, pos + PCI_MSI_ADDRESS_LO,
-				      &dd->ipath_msi_lo);
-		pci_read_config_dword(pdev, pos + PCI_MSI_ADDRESS_HI,
-				      &dd->ipath_msi_hi);
-		pci_read_config_word(pdev, pos + PCI_MSI_FLAGS,
-				     &control);
-		/* now save the data (vector) info */
-		pci_read_config_word(pdev,
-				     pos + ((control & PCI_MSI_FLAGS_64BIT)
-					    ? PCI_MSI_DATA_64 :
-					    PCI_MSI_DATA_32),
-				     &dd->ipath_msi_data);
-	} else
-		ipath_dev_err(dd, "Can't find MSI capability, "
-			      "can't save MSI settings for reset\n");
-
-	dd->ipath_irq = pdev->irq;
-
-	/*
-	 * We save the cachelinesize also, although it doesn't
-	 * really matter.
-	 */
-	pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE,
-			     &dd->ipath_pci_cacheline);
-
-	/*
-	 * this function called early, ipath_boardrev not set yet.  Can't
-	 * use ipath_read_kreg64() yet, too early in init, so use readq()
-	 */
-	boardrev = (readq(&dd->ipath_kregbase[dd->ipath_kregs->kr_revision])
-		 >> INFINIPATH_R_BOARDID_SHIFT) & INFINIPATH_R_BOARDID_MASK;
-
-	ipath_7220_pcie_params(dd, boardrev);
-
-	dd->ipath_flags |= IPATH_NODMA_RTAIL | IPATH_HAS_SEND_DMA |
-		IPATH_HAS_PBC_CNT | IPATH_HAS_THRESH_UPDATE;
-	dd->ipath_pioupd_thresh = 4U; /* set default update threshold */
-	return 0;
-}
-
-static void ipath_init_7220_variables(struct ipath_devdata *dd)
-{
-	/*
-	 * setup the register offsets, since they are different for each
-	 * chip
-	 */
-	dd->ipath_kregs = &ipath_7220_kregs;
-	dd->ipath_cregs = &ipath_7220_cregs;
-
-	/*
-	 * bits for selecting i2c direction and values,
-	 * used for I2C serial flash
-	 */
-	dd->ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
-	dd->ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
-	dd->ipath_gpio_sda = IPATH_GPIO_SDA;
-	dd->ipath_gpio_scl = IPATH_GPIO_SCL;
-
-	/*
-	 * Fill in data for field-values that change in IBA7220.
-	 * We dynamically specify only the mask for LINKTRAININGSTATE
-	 * and only the shift for LINKSTATE, as they are the only ones
-	 * that change.  Also precalculate the 3 link states of interest
-	 * and the combined mask.
-	 */
-	dd->ibcs_ls_shift = IBA7220_IBCS_LINKSTATE_SHIFT;
-	dd->ibcs_lts_mask = IBA7220_IBCS_LINKTRAININGSTATE_MASK;
-	dd->ibcs_mask = (INFINIPATH_IBCS_LINKSTATE_MASK <<
-		dd->ibcs_ls_shift) | dd->ibcs_lts_mask;
-	dd->ib_init = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
-		INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
-		(INFINIPATH_IBCS_L_STATE_INIT << dd->ibcs_ls_shift);
-	dd->ib_arm = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
-		INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
-		(INFINIPATH_IBCS_L_STATE_ARM << dd->ibcs_ls_shift);
-	dd->ib_active = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
-		INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
-		(INFINIPATH_IBCS_L_STATE_ACTIVE << dd->ibcs_ls_shift);
-
-	/*
-	 * Fill in data for ibcc field-values that change in IBA7220.
-	 * We dynamically specify only the mask for LINKINITCMD
-	 * and only the shift for LINKCMD and MAXPKTLEN, as they are
-	 * the only ones that change.
-	 */
-	dd->ibcc_lic_mask = IBA7220_IBCC_LINKINITCMD_MASK;
-	dd->ibcc_lc_shift = IBA7220_IBCC_LINKCMD_SHIFT;
-	dd->ibcc_mpl_shift = IBA7220_IBCC_MAXPKTLEN_SHIFT;
-
-	/* Fill in shifts for RcvCtrl. */
-	dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT;
-	dd->ipath_r_intravail_shift = IBA7220_R_INTRAVAIL_SHIFT;
-	dd->ipath_r_tailupd_shift = IBA7220_R_TAILUPD_SHIFT;
-	dd->ipath_r_portcfg_shift = IBA7220_R_PORTCFG_SHIFT;
-
-	/* variables for sanity checking interrupt and errors */
-	dd->ipath_hwe_bitsextant =
-		(INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
-		 INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT) |
-		(INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
-		 INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT) |
-		(INFINIPATH_HWE_PCIEMEMPARITYERR_MASK <<
-		 INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT) |
-		INFINIPATH_HWE_PCIE1PLLFAILED |
-		INFINIPATH_HWE_PCIE0PLLFAILED |
-		INFINIPATH_HWE_PCIEPOISONEDTLP |
-		INFINIPATH_HWE_PCIECPLTIMEOUT |
-		INFINIPATH_HWE_PCIEBUSPARITYXTLH |
-		INFINIPATH_HWE_PCIEBUSPARITYXADM |
-		INFINIPATH_HWE_PCIEBUSPARITYRADM |
-		INFINIPATH_HWE_MEMBISTFAILED |
-		INFINIPATH_HWE_COREPLL_FBSLIP |
-		INFINIPATH_HWE_COREPLL_RFSLIP |
-		INFINIPATH_HWE_SERDESPLLFAILED |
-		INFINIPATH_HWE_IBCBUSTOSPCPARITYERR |
-		INFINIPATH_HWE_IBCBUSFRSPCPARITYERR |
-		INFINIPATH_HWE_PCIECPLDATAQUEUEERR |
-		INFINIPATH_HWE_PCIECPLHDRQUEUEERR |
-		INFINIPATH_HWE_SDMAMEMREADERR |
-		INFINIPATH_HWE_CLK_UC_PLLNOTLOCKED |
-		INFINIPATH_HWE_PCIESERDESQ0PCLKNOTDETECT |
-		INFINIPATH_HWE_PCIESERDESQ1PCLKNOTDETECT |
-		INFINIPATH_HWE_PCIESERDESQ2PCLKNOTDETECT |
-		INFINIPATH_HWE_PCIESERDESQ3PCLKNOTDETECT |
-		INFINIPATH_HWE_DDSRXEQMEMORYPARITYERR |
-		INFINIPATH_HWE_IB_UC_MEMORYPARITYERR |
-		INFINIPATH_HWE_PCIE_UC_OCT0MEMORYPARITYERR |
-		INFINIPATH_HWE_PCIE_UC_OCT1MEMORYPARITYERR;
-	dd->ipath_i_bitsextant =
-		INFINIPATH_I_SDMAINT | INFINIPATH_I_SDMADISABLED |
-		(INFINIPATH_I_RCVURG_MASK << INFINIPATH_I_RCVURG_SHIFT) |
-		(INFINIPATH_I_RCVAVAIL_MASK <<
-		 INFINIPATH_I_RCVAVAIL_SHIFT) |
-		INFINIPATH_I_ERROR | INFINIPATH_I_SPIOSENT |
-		INFINIPATH_I_SPIOBUFAVAIL | INFINIPATH_I_GPIO |
-		INFINIPATH_I_JINT | INFINIPATH_I_SERDESTRIMDONE;
-	dd->ipath_e_bitsextant =
-		INFINIPATH_E_RFORMATERR | INFINIPATH_E_RVCRC |
-		INFINIPATH_E_RICRC | INFINIPATH_E_RMINPKTLEN |
-		INFINIPATH_E_RMAXPKTLEN | INFINIPATH_E_RLONGPKTLEN |
-		INFINIPATH_E_RSHORTPKTLEN | INFINIPATH_E_RUNEXPCHAR |
-		INFINIPATH_E_RUNSUPVL | INFINIPATH_E_REBP |
-		INFINIPATH_E_RIBFLOW | INFINIPATH_E_RBADVERSION |
-		INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
-		INFINIPATH_E_RBADTID | INFINIPATH_E_RHDRLEN |
-		INFINIPATH_E_RHDR | INFINIPATH_E_RIBLOSTLINK |
-		INFINIPATH_E_SENDSPECIALTRIGGER |
-		INFINIPATH_E_SDMADISABLED | INFINIPATH_E_SMINPKTLEN |
-		INFINIPATH_E_SMAXPKTLEN | INFINIPATH_E_SUNDERRUN |
-		INFINIPATH_E_SPKTLEN | INFINIPATH_E_SDROPPEDSMPPKT |
-		INFINIPATH_E_SDROPPEDDATAPKT |
-		INFINIPATH_E_SPIOARMLAUNCH | INFINIPATH_E_SUNEXPERRPKTNUM |
-		INFINIPATH_E_SUNSUPVL | INFINIPATH_E_SENDBUFMISUSE |
-		INFINIPATH_E_SDMAGENMISMATCH | INFINIPATH_E_SDMAOUTOFBOUND |
-		INFINIPATH_E_SDMATAILOUTOFBOUND | INFINIPATH_E_SDMABASE |
-		INFINIPATH_E_SDMA1STDESC | INFINIPATH_E_SDMARPYTAG |
-		INFINIPATH_E_SDMADWEN | INFINIPATH_E_SDMAMISSINGDW |
-		INFINIPATH_E_SDMAUNEXPDATA |
-		INFINIPATH_E_IBSTATUSCHANGED | INFINIPATH_E_INVALIDADDR |
-		INFINIPATH_E_RESET | INFINIPATH_E_HARDWARE |
-		INFINIPATH_E_SDMADESCADDRMISALIGN |
-		INFINIPATH_E_INVALIDEEPCMD;
-
-	dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
-	dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
-	dd->ipath_i_rcvavail_shift = INFINIPATH_I_RCVAVAIL_SHIFT;
-	dd->ipath_i_rcvurg_shift = INFINIPATH_I_RCVURG_SHIFT;
-	dd->ipath_flags |= IPATH_INTREG_64 | IPATH_HAS_MULT_IB_SPEED
-		| IPATH_HAS_LINK_LATENCY;
-
-	/*
-	 * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
-	 * 2 is Some Misc, 3 is reserved for future.
-	 */
-	dd->ipath_eep_st_masks[0].hwerrs_to_log =
-		INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
-		INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT;
-
-	dd->ipath_eep_st_masks[1].hwerrs_to_log =
-		INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
-		INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT;
-
-	dd->ipath_eep_st_masks[2].errs_to_log = INFINIPATH_E_RESET;
-
-	ipath_linkrecovery = 0;
-
-	init_waitqueue_head(&dd->ipath_autoneg_wait);
-	INIT_DELAYED_WORK(&dd->ipath_autoneg_work,  autoneg_work);
-
-	dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
-	dd->ipath_link_speed_supported = IPATH_IB_SDR | IPATH_IB_DDR;
-
-	dd->ipath_link_width_enabled = dd->ipath_link_width_supported;
-	dd->ipath_link_speed_enabled = dd->ipath_link_speed_supported;
-	/*
-	 * set the initial values to reasonable default, will be set
-	 * for real when link is up.
-	 */
-	dd->ipath_link_width_active = IB_WIDTH_4X;
-	dd->ipath_link_speed_active = IPATH_IB_SDR;
-	dd->delay_mult = rate_to_delay[0][1];
-}
-
-
-/*
- * Setup the MSI stuff again after a reset.  I'd like to just call
- * pci_enable_msi() and request_irq() again, but when I do that,
- * the MSI enable bit doesn't get set in the command word, and
- * we switch to to a different interrupt vector, which is confusing,
- * so I instead just do it all inline.  Perhaps somehow can tie this
- * into the PCIe hotplug support at some point
- * Note, because I'm doing it all here, I don't call pci_disable_msi()
- * or free_irq() at the start of ipath_setup_7220_reset().
- */
-static int ipath_reinit_msi(struct ipath_devdata *dd)
-{
-	int ret = 0;
-
-	int pos;
-	u16 control;
-	if (!dd->ipath_msi_lo) /* Using intX, or init problem */
-		goto bail;
-
-	pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSI);
-	if (!pos) {
-		ipath_dev_err(dd, "Can't find MSI capability, "
-			      "can't restore MSI settings\n");
-		goto bail;
-	}
-	ipath_cdbg(VERBOSE, "Writing msi_lo 0x%x to config offset 0x%x\n",
-		   dd->ipath_msi_lo, pos + PCI_MSI_ADDRESS_LO);
-	pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_LO,
-			       dd->ipath_msi_lo);
-	ipath_cdbg(VERBOSE, "Writing msi_lo 0x%x to config offset 0x%x\n",
-		   dd->ipath_msi_hi, pos + PCI_MSI_ADDRESS_HI);
-	pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_HI,
-			       dd->ipath_msi_hi);
-	pci_read_config_word(dd->pcidev, pos + PCI_MSI_FLAGS, &control);
-	if (!(control & PCI_MSI_FLAGS_ENABLE)) {
-		ipath_cdbg(VERBOSE, "MSI control at off %x was %x, "
-			   "setting MSI enable (%x)\n", pos + PCI_MSI_FLAGS,
-			   control, control | PCI_MSI_FLAGS_ENABLE);
-		control |= PCI_MSI_FLAGS_ENABLE;
-		pci_write_config_word(dd->pcidev, pos + PCI_MSI_FLAGS,
-				      control);
-	}
-	/* now rewrite the data (vector) info */
-	pci_write_config_word(dd->pcidev, pos +
-			      ((control & PCI_MSI_FLAGS_64BIT) ? 12 : 8),
-			      dd->ipath_msi_data);
-	ret = 1;
-
-bail:
-	if (!ret) {
-		ipath_dbg("Using INTx, MSI disabled or not configured\n");
-		ipath_enable_intx(dd->pcidev);
-		ret = 1;
-	}
-	/*
-	 * We restore the cachelinesize also, although it doesn't really
-	 * matter.
-	 */
-	pci_write_config_byte(dd->pcidev, PCI_CACHE_LINE_SIZE,
-			      dd->ipath_pci_cacheline);
-	/* and now set the pci master bit again */
-	pci_set_master(dd->pcidev);
-
-	return ret;
-}
-
-/*
- * This routine sleeps, so it can only be called from user context, not
- * from interrupt context.  If we need interrupt context, we can split
- * it into two routines.
- */
-static int ipath_setup_7220_reset(struct ipath_devdata *dd)
-{
-	u64 val;
-	int i;
-	int ret;
-	u16 cmdval;
-
-	pci_read_config_word(dd->pcidev, PCI_COMMAND, &cmdval);
-
-	/* Use dev_err so it shows up in logs, etc. */
-	ipath_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->ipath_unit);
-
-	/* keep chip from being accessed in a few places */
-	dd->ipath_flags &= ~(IPATH_INITTED | IPATH_PRESENT);
-	val = dd->ipath_control | INFINIPATH_C_RESET;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_control, val);
-	mb();
-
-	for (i = 1; i <= 5; i++) {
-		int r;
-
-		/*
-		 * Allow MBIST, etc. to complete; longer on each retry.
-		 * We sometimes get machine checks from bus timeout if no
-		 * response, so for now, make it *really* long.
-		 */
-		msleep(1000 + (1 + i) * 2000);
-		r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0,
-					   dd->ipath_pcibar0);
-		if (r)
-			ipath_dev_err(dd, "rewrite of BAR0 failed: %d\n", r);
-		r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_1,
-					   dd->ipath_pcibar1);
-		if (r)
-			ipath_dev_err(dd, "rewrite of BAR1 failed: %d\n", r);
-		/* now re-enable memory access */
-		pci_write_config_word(dd->pcidev, PCI_COMMAND, cmdval);
-		r = pci_enable_device(dd->pcidev);
-		if (r)
-			ipath_dev_err(dd, "pci_enable_device failed after "
-				      "reset: %d\n", r);
-		/*
-		 * whether it fully enabled or not, mark as present,
-		 * again (but not INITTED)
-		 */
-		dd->ipath_flags |= IPATH_PRESENT;
-		val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_revision);
-		if (val == dd->ipath_revision) {
-			ipath_cdbg(VERBOSE, "Got matching revision "
-				   "register %llx on try %d\n",
-				   (unsigned long long) val, i);
-			ret = ipath_reinit_msi(dd);
-			goto bail;
-		}
-		/* Probably getting -1 back */
-		ipath_dbg("Didn't get expected revision register, "
-			  "got %llx, try %d\n", (unsigned long long) val,
-			  i + 1);
-	}
-	ret = 0; /* failed */
-
-bail:
-	if (ret)
-		ipath_7220_pcie_params(dd, dd->ipath_boardrev);
-
-	return ret;
-}
-
-/**
- * ipath_7220_put_tid - write a TID to the chip
- * @dd: the infinipath device
- * @tidptr: pointer to the expected TID (in chip) to update
- * @tidtype: 0 for eager, 1 for expected
- * @pa: physical address of in memory buffer; ipath_tidinvalid if freeing
- *
- * This exists as a separate routine to allow for selection of the
- * appropriate "flavor". The static calls in cleanup just use the
- * revision-agnostic form, as they are not performance critical.
- */
-static void ipath_7220_put_tid(struct ipath_devdata *dd, u64 __iomem *tidptr,
-			     u32 type, unsigned long pa)
-{
-	if (pa != dd->ipath_tidinvalid) {
-		u64 chippa = pa >> IBA7220_TID_PA_SHIFT;
-
-		/* paranoia checks */
-		if (pa != (chippa << IBA7220_TID_PA_SHIFT)) {
-			dev_info(&dd->pcidev->dev, "BUG: physaddr %lx "
-				 "not 2KB aligned!\n", pa);
-			return;
-		}
-		if (chippa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
-			ipath_dev_err(dd,
-				      "BUG: Physical page address 0x%lx "
-				      "larger than supported\n", pa);
-			return;
-		}
-
-		if (type == RCVHQ_RCV_TYPE_EAGER)
-			chippa |= dd->ipath_tidtemplate;
-		else /* for now, always full 4KB page */
-			chippa |= IBA7220_TID_SZ_4K;
-		writeq(chippa, tidptr);
-	} else
-		writeq(pa, tidptr);
-	mmiowb();
-}
-
-/**
- * ipath_7220_clear_tid - clear all TID entries for a port, expected and eager
- * @dd: the infinipath device
- * @port: the port
- *
- * clear all TID entries for a port, expected and eager.
- * Used from ipath_close().  On this chip, TIDs are only 32 bits,
- * not 64, but they are still on 64 bit boundaries, so tidbase
- * is declared as u64 * for the pointer math, even though we write 32 bits
- */
-static void ipath_7220_clear_tids(struct ipath_devdata *dd, unsigned port)
-{
-	u64 __iomem *tidbase;
-	unsigned long tidinv;
-	int i;
-
-	if (!dd->ipath_kregbase)
-		return;
-
-	ipath_cdbg(VERBOSE, "Invalidate TIDs for port %u\n", port);
-
-	tidinv = dd->ipath_tidinvalid;
-	tidbase = (u64 __iomem *)
-		((char __iomem *)(dd->ipath_kregbase) +
-		 dd->ipath_rcvtidbase +
-		 port * dd->ipath_rcvtidcnt * sizeof(*tidbase));
-
-	for (i = 0; i < dd->ipath_rcvtidcnt; i++)
-		ipath_7220_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EXPECTED,
-				   tidinv);
-
-	tidbase = (u64 __iomem *)
-		((char __iomem *)(dd->ipath_kregbase) +
-		 dd->ipath_rcvegrbase + port_egrtid_idx(dd, port)
-		 * sizeof(*tidbase));
-
-	for (i = port ? dd->ipath_rcvegrcnt : dd->ipath_p0_rcvegrcnt; i; i--)
-		ipath_7220_put_tid(dd, &tidbase[i-1], RCVHQ_RCV_TYPE_EAGER,
-			tidinv);
-}
-
-/**
- * ipath_7220_tidtemplate - setup constants for TID updates
- * @dd: the infinipath device
- *
- * We setup stuff that we use a lot, to avoid calculating each time
- */
-static void ipath_7220_tidtemplate(struct ipath_devdata *dd)
-{
-	/* For now, we always allocate 4KB buffers (at init) so we can
-	 * receive max size packets.  We may want a module parameter to
-	 * specify 2KB or 4KB and/or make be per port instead of per device
-	 * for those who want to reduce memory footprint.  Note that the
-	 * ipath_rcvhdrentsize size must be large enough to hold the largest
-	 * IB header (currently 96 bytes) that we expect to handle (plus of
-	 * course the 2 dwords of RHF).
-	 */
-	if (dd->ipath_rcvegrbufsize == 2048)
-		dd->ipath_tidtemplate = IBA7220_TID_SZ_2K;
-	else if (dd->ipath_rcvegrbufsize == 4096)
-		dd->ipath_tidtemplate = IBA7220_TID_SZ_4K;
-	else {
-		dev_info(&dd->pcidev->dev, "BUG: unsupported egrbufsize "
-			 "%u, using %u\n", dd->ipath_rcvegrbufsize,
-			 4096);
-		dd->ipath_tidtemplate = IBA7220_TID_SZ_4K;
-	}
-	dd->ipath_tidinvalid = 0;
-}
-
-static int ipath_7220_early_init(struct ipath_devdata *dd)
-{
-	u32 i, s;
-
-	if (strcmp(int_type, "auto") &&
-	    strcmp(int_type, "force_msi") &&
-	    strcmp(int_type, "force_intx")) {
-		ipath_dev_err(dd, "Invalid interrupt_type: '%s', expecting "
-			      "auto, force_msi or force_intx\n", int_type);
-		return -EINVAL;
-	}
-
-	/*
-	 * Control[4] has been added to change the arbitration within
-	 * the SDMA engine between favoring data fetches over descriptor
-	 * fetches.  ipath_sdma_fetch_arb==0 gives data fetches priority.
-	 */
-	if (ipath_sdma_fetch_arb && (dd->ipath_minrev > 1))
-		dd->ipath_control |= 1<<4;
-
-	dd->ipath_flags |= IPATH_4BYTE_TID;
-
-	/*
-	 * For openfabrics, we need to be able to handle an IB header of
-	 * 24 dwords.  HT chip has arbitrary sized receive buffers, so we
-	 * made them the same size as the PIO buffers.  This chip does not
-	 * handle arbitrary size buffers, so we need the header large enough
-	 * to handle largest IB header, but still have room for a 2KB MTU
-	 * standard IB packet.
-	 */
-	dd->ipath_rcvhdrentsize = 24;
-	dd->ipath_rcvhdrsize = IPATH_DFLT_RCVHDRSIZE;
-	dd->ipath_rhf_offset =
-		dd->ipath_rcvhdrentsize - sizeof(u64) / sizeof(u32);
-
-	dd->ipath_rcvegrbufsize = ipath_mtu4096 ? 4096 : 2048;
-	/*
-	 * the min() check here is currently a nop, but it may not always
-	 * be, depending on just how we do ipath_rcvegrbufsize
-	 */
-	dd->ipath_ibmaxlen = min(ipath_mtu4096 ? dd->ipath_piosize4k :
-				 dd->ipath_piosize2k,
-				 dd->ipath_rcvegrbufsize +
-				 (dd->ipath_rcvhdrentsize << 2));
-	dd->ipath_init_ibmaxlen = dd->ipath_ibmaxlen;
-
-	ipath_7220_config_jint(dd, INFINIPATH_JINT_DEFAULT_IDLE_TICKS,
-			       INFINIPATH_JINT_DEFAULT_MAX_PACKETS);
-
-	if (dd->ipath_boardrev) /* no eeprom on emulator */
-		ipath_get_eeprom_info(dd);
-
-	/* start of code to check and print procmon */
-	s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
-	s &= ~(1U<<31); /* clear done bit */
-	s |= 1U<<14; /* clear counter (write 1 to clear) */
-	ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
-	/* make sure clear_counter low long enough before start */
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-
-	s &= ~(1U<<14); /* allow counter to count (before starting) */
-	ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-	s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
-
-	s |= 1U<<15; /* start the counter */
-	s &= ~(1U<<31); /* clear done bit */
-	s &= ~0x7ffU; /* clear frequency bits */
-	s |= 0xe29; /* set frequency bits, in case cleared */
-	ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
-
-	s = 0;
-	for (i = 500; i > 0 && !(s&(1ULL<<31)); i--) {
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-		s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
-	}
-	if (!(s&(1U<<31)))
-		ipath_dev_err(dd, "ProcMon register not valid: 0x%x\n", s);
-	else
-		ipath_dbg("ProcMon=0x%x, count=0x%x\n", s, (s>>16)&0x1ff);
-
-	return 0;
-}
-
-/**
- * ipath_init_7220_get_base_info - set chip-specific flags for user code
- * @pd: the infinipath port
- * @kbase: ipath_base_info pointer
- *
- * We set the PCIE flag because the lower bandwidth on PCIe vs
- * HyperTransport can affect some user packet algorithims.
- */
-static int ipath_7220_get_base_info(struct ipath_portdata *pd, void *kbase)
-{
-	struct ipath_base_info *kinfo = kbase;
-
-	kinfo->spi_runtime_flags |=
-		IPATH_RUNTIME_PCIE | IPATH_RUNTIME_NODMA_RTAIL |
-		IPATH_RUNTIME_SDMA;
-
-	return 0;
-}
-
-static void ipath_7220_free_irq(struct ipath_devdata *dd)
-{
-	free_irq(dd->ipath_irq, dd);
-	dd->ipath_irq = 0;
-}
-
-static struct ipath_message_header *
-ipath_7220_get_msgheader(struct ipath_devdata *dd, __le32 *rhf_addr)
-{
-	u32 offset = ipath_hdrget_offset(rhf_addr);
-
-	return (struct ipath_message_header *)
-		(rhf_addr - dd->ipath_rhf_offset + offset);
-}
-
-static void ipath_7220_config_ports(struct ipath_devdata *dd, ushort cfgports)
-{
-	u32 nchipports;
-
-	nchipports = ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
-	if (!cfgports) {
-		int ncpus = num_online_cpus();
-
-		if (ncpus <= 4)
-			dd->ipath_portcnt = 5;
-		else if (ncpus <= 8)
-			dd->ipath_portcnt = 9;
-		if (dd->ipath_portcnt)
-			ipath_dbg("Auto-configured for %u ports, %d cpus "
-				"online\n", dd->ipath_portcnt, ncpus);
-	} else if (cfgports <= nchipports)
-		dd->ipath_portcnt = cfgports;
-	if (!dd->ipath_portcnt) /* none of the above, set to max */
-		dd->ipath_portcnt = nchipports;
-	/*
-	 * chip can be configured for 5, 9, or 17 ports, and choice
-	 * affects number of eager TIDs per port (1K, 2K, 4K).
-	 */
-	if (dd->ipath_portcnt > 9)
-		dd->ipath_rcvctrl |= 2ULL << IBA7220_R_PORTCFG_SHIFT;
-	else if (dd->ipath_portcnt > 5)
-		dd->ipath_rcvctrl |= 1ULL << IBA7220_R_PORTCFG_SHIFT;
-	/* else configure for default 5 receive ports */
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
-			 dd->ipath_rcvctrl);
-	dd->ipath_p0_rcvegrcnt = 2048; /* always */
-	if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
-		dd->ipath_pioreserved = 3; /* kpiobufs used for PIO */
-}
-
-
-static int ipath_7220_get_ib_cfg(struct ipath_devdata *dd, int which)
-{
-	int lsb, ret = 0;
-	u64 maskr; /* right-justified mask */
-
-	switch (which) {
-	case IPATH_IB_CFG_HRTBT: /* Get Heartbeat off/enable/auto */
-		lsb = IBA7220_IBC_HRTBT_SHIFT;
-		maskr = IBA7220_IBC_HRTBT_MASK;
-		break;
-
-	case IPATH_IB_CFG_LWID_ENB: /* Get allowed Link-width */
-		ret = dd->ipath_link_width_enabled;
-		goto done;
-
-	case IPATH_IB_CFG_LWID: /* Get currently active Link-width */
-		ret = dd->ipath_link_width_active;
-		goto done;
-
-	case IPATH_IB_CFG_SPD_ENB: /* Get allowed Link speeds */
-		ret = dd->ipath_link_speed_enabled;
-		goto done;
-
-	case IPATH_IB_CFG_SPD: /* Get current Link spd */
-		ret = dd->ipath_link_speed_active;
-		goto done;
-
-	case IPATH_IB_CFG_RXPOL_ENB: /* Get Auto-RX-polarity enable */
-		lsb = IBA7220_IBC_RXPOL_SHIFT;
-		maskr = IBA7220_IBC_RXPOL_MASK;
-		break;
-
-	case IPATH_IB_CFG_LREV_ENB: /* Get Auto-Lane-reversal enable */
-		lsb = IBA7220_IBC_LREV_SHIFT;
-		maskr = IBA7220_IBC_LREV_MASK;
-		break;
-
-	case IPATH_IB_CFG_LINKLATENCY:
-		ret = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcddrstatus)
-			& IBA7220_DDRSTAT_LINKLAT_MASK;
-		goto done;
-
-	default:
-		ret = -ENOTSUPP;
-		goto done;
-	}
-	ret = (int)((dd->ipath_ibcddrctrl >> lsb) & maskr);
-done:
-	return ret;
-}
-
-static int ipath_7220_set_ib_cfg(struct ipath_devdata *dd, int which, u32 val)
-{
-	int lsb, ret = 0, setforce = 0;
-	u64 maskr; /* right-justified mask */
-
-	switch (which) {
-	case IPATH_IB_CFG_LIDLMC:
-		/*
-		 * Set LID and LMC. Combined to avoid possible hazard
-		 * caller puts LMC in 16MSbits, DLID in 16LSbits of val
-		 */
-		lsb = IBA7220_IBC_DLIDLMC_SHIFT;
-		maskr = IBA7220_IBC_DLIDLMC_MASK;
-		break;
-
-	case IPATH_IB_CFG_HRTBT: /* set Heartbeat off/enable/auto */
-		if (val & IPATH_IB_HRTBT_ON &&
-			(dd->ipath_flags & IPATH_NO_HRTBT))
-			goto bail;
-		lsb = IBA7220_IBC_HRTBT_SHIFT;
-		maskr = IBA7220_IBC_HRTBT_MASK;
-		break;
-
-	case IPATH_IB_CFG_LWID_ENB: /* set allowed Link-width */
-		/*
-		 * As with speed, only write the actual register if
-		 * the link is currently down, otherwise takes effect
-		 * on next link change.
-		 */
-		dd->ipath_link_width_enabled = val;
-		if ((dd->ipath_flags & (IPATH_LINKDOWN|IPATH_LINKINIT)) !=
-			IPATH_LINKDOWN)
-			goto bail;
-		/*
-		 * We set the IPATH_IB_FORCE_NOTIFY bit so updown
-		 * will get called because we want update
-		 * link_width_active, and the change may not take
-		 * effect for some time (if we are in POLL), so this
-		 * flag will force the updown routine to be called
-		 * on the next ibstatuschange down interrupt, even
-		 * if it's not an down->up transition.
-		 */
-		val--; /* convert from IB to chip */
-		maskr = IBA7220_IBC_WIDTH_MASK;
-		lsb = IBA7220_IBC_WIDTH_SHIFT;
-		setforce = 1;
-		dd->ipath_flags |= IPATH_IB_FORCE_NOTIFY;
-		break;
-
-	case IPATH_IB_CFG_SPD_ENB: /* set allowed Link speeds */
-		/*
-		 * If we turn off IB1.2, need to preset SerDes defaults,
-		 * but not right now. Set a flag for the next time
-		 * we command the link down.  As with width, only write the
-		 * actual register if the link is currently down, otherwise
-		 * takes effect on next link change.  Since setting is being
-		 * explictly requested (via MAD or sysfs), clear autoneg
-		 * failure status if speed autoneg is enabled.
-		 */
-		dd->ipath_link_speed_enabled = val;
-		if (dd->ipath_ibcddrctrl & IBA7220_IBC_IBTA_1_2_MASK &&
-		    !(val & (val - 1)))
-			dd->ipath_presets_needed = 1;
-		if ((dd->ipath_flags & (IPATH_LINKDOWN|IPATH_LINKINIT)) !=
-			IPATH_LINKDOWN)
-			goto bail;
-		/*
-		 * We set the IPATH_IB_FORCE_NOTIFY bit so updown
-		 * will get called because we want update
-		 * link_speed_active, and the change may not take
-		 * effect for some time (if we are in POLL), so this
-		 * flag will force the updown routine to be called
-		 * on the next ibstatuschange down interrupt, even
-		 * if it's not an down->up transition.  When setting
-		 * speed autoneg, clear AUTONEG_FAILED.
-		 */
-		if (val == (IPATH_IB_SDR | IPATH_IB_DDR)) {
-			val = IBA7220_IBC_SPEED_AUTONEG_MASK |
-				IBA7220_IBC_IBTA_1_2_MASK;
-			dd->ipath_flags &= ~IPATH_IB_AUTONEG_FAILED;
-		} else
-			val = val == IPATH_IB_DDR ?  IBA7220_IBC_SPEED_DDR
-				: IBA7220_IBC_SPEED_SDR;
-		maskr = IBA7220_IBC_SPEED_AUTONEG_MASK |
-			IBA7220_IBC_IBTA_1_2_MASK;
-		lsb = 0; /* speed bits are low bits */
-		setforce = 1;
-		break;
-
-	case IPATH_IB_CFG_RXPOL_ENB: /* set Auto-RX-polarity enable */
-		lsb = IBA7220_IBC_RXPOL_SHIFT;
-		maskr = IBA7220_IBC_RXPOL_MASK;
-		break;
-
-	case IPATH_IB_CFG_LREV_ENB: /* set Auto-Lane-reversal enable */
-		lsb = IBA7220_IBC_LREV_SHIFT;
-		maskr = IBA7220_IBC_LREV_MASK;
-		break;
-
-	default:
-		ret = -ENOTSUPP;
-		goto bail;
-	}
-	dd->ipath_ibcddrctrl &= ~(maskr << lsb);
-	dd->ipath_ibcddrctrl |= (((u64) val & maskr) << lsb);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
-			 dd->ipath_ibcddrctrl);
-	if (setforce)
-		dd->ipath_flags |= IPATH_IB_FORCE_NOTIFY;
-bail:
-	return ret;
-}
-
-static void ipath_7220_read_counters(struct ipath_devdata *dd,
-				     struct infinipath_counters *cntrs)
-{
-	u64 *counters = (u64 *) cntrs;
-	int i;
-
-	for (i = 0; i < sizeof(*cntrs) / sizeof(u64); i++)
-		counters[i] = ipath_snap_cntr(dd, i);
-}
-
-/* if we are using MSI, try to fallback to INTx */
-static int ipath_7220_intr_fallback(struct ipath_devdata *dd)
-{
-	if (dd->ipath_msi_lo) {
-		dev_info(&dd->pcidev->dev, "MSI interrupt not detected,"
-			" trying INTx interrupts\n");
-		ipath_7220_nomsi(dd);
-		ipath_enable_intx(dd->pcidev);
-		/*
-		 * some newer kernels require free_irq before disable_msi,
-		 * and irq can be changed during disable and intx enable
-		 * and we need to therefore use the pcidev->irq value,
-		 * not our saved MSI value.
-		 */
-		dd->ipath_irq = dd->pcidev->irq;
-		if (request_irq(dd->ipath_irq, ipath_intr, IRQF_SHARED,
-			IPATH_DRV_NAME, dd))
-			ipath_dev_err(dd,
-				"Could not re-request_irq for INTx\n");
-		return 1;
-	}
-	return 0;
-}
-
-/*
- * reset the XGXS (between serdes and IBC).  Slightly less intrusive
- * than resetting the IBC or external link state, and useful in some
- * cases to cause some retraining.  To do this right, we reset IBC
- * as well.
- */
-static void ipath_7220_xgxs_reset(struct ipath_devdata *dd)
-{
-	u64 val, prev_val;
-
-	prev_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
-	val = prev_val | INFINIPATH_XGXS_RESET;
-	prev_val &= ~INFINIPATH_XGXS_RESET; /* be sure */
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
-			 dd->ipath_control & ~INFINIPATH_C_LINKENABLE);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, prev_val);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
-			 dd->ipath_control);
-}
-
-
-/* Still needs cleanup, too much hardwired stuff */
-static void autoneg_send(struct ipath_devdata *dd,
-	u32 *hdr, u32 dcnt, u32 *data)
-{
-	int i;
-	u64 cnt;
-	u32 __iomem *piobuf;
-	u32 pnum;
-
-	i = 0;
-	cnt = 7 + dcnt + 1; /* 7 dword header, dword data, icrc */
-	while (!(piobuf = ipath_getpiobuf(dd, cnt, &pnum))) {
-		if (i++ > 15) {
-			ipath_dbg("Couldn't get pio buffer for send\n");
-			return;
-		}
-		udelay(2);
-	}
-	if (dd->ipath_flags&IPATH_HAS_PBC_CNT)
-		cnt |= 0x80000000UL<<32; /* mark as VL15 */
-	writeq(cnt, piobuf);
-	ipath_flush_wc();
-	__iowrite32_copy(piobuf + 2, hdr, 7);
-	__iowrite32_copy(piobuf + 9, data, dcnt);
-	ipath_flush_wc();
-}
-
-/*
- * _start packet gets sent twice at start, _done gets sent twice at end
- */
-static void ipath_autoneg_send(struct ipath_devdata *dd, int which)
-{
-	static u32 swapped;
-	u32 dw, i, hcnt, dcnt, *data;
-	static u32 hdr[7] = { 0xf002ffff, 0x48ffff, 0x6400abba };
-	static u32 madpayload_start[0x40] = {
-		0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
-		0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
-		0x1, 0x1388, 0x15e, 0x1, /* rest 0's */
-		};
-	static u32 madpayload_done[0x40] = {
-		0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
-		0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
-		0x40000001, 0x1388, 0x15e, /* rest 0's */
-		};
-	dcnt = ARRAY_SIZE(madpayload_start);
-	hcnt = ARRAY_SIZE(hdr);
-	if (!swapped) {
-		/* for maintainability, do it at runtime */
-		for (i = 0; i < hcnt; i++) {
-			dw = (__force u32) cpu_to_be32(hdr[i]);
-			hdr[i] = dw;
-		}
-		for (i = 0; i < dcnt; i++) {
-			dw = (__force u32) cpu_to_be32(madpayload_start[i]);
-			madpayload_start[i] = dw;
-			dw = (__force u32) cpu_to_be32(madpayload_done[i]);
-			madpayload_done[i] = dw;
-		}
-		swapped = 1;
-	}
-
-	data = which ? madpayload_done : madpayload_start;
-	ipath_cdbg(PKT, "Sending %s special MADs\n", which?"done":"start");
-
-	autoneg_send(dd, hdr, dcnt, data);
-	ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
-	udelay(2);
-	autoneg_send(dd, hdr, dcnt, data);
-	ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
-	udelay(2);
-}
-
-
-
-/*
- * Do the absolute minimum to cause an IB speed change, and make it
- * ready, but don't actually trigger the change.   The caller will
- * do that when ready (if link is in Polling training state, it will
- * happen immediately, otherwise when link next goes down)
- *
- * This routine should only be used as part of the DDR autonegotation
- * code for devices that are not compliant with IB 1.2 (or code that
- * fixes things up for same).
- *
- * When link has gone down, and autoneg enabled, or autoneg has
- * failed and we give up until next time we set both speeds, and
- * then we want IBTA enabled as well as "use max enabled speed.
- */
-static void set_speed_fast(struct ipath_devdata *dd, u32 speed)
-{
-	dd->ipath_ibcddrctrl &= ~(IBA7220_IBC_SPEED_AUTONEG_MASK |
-		IBA7220_IBC_IBTA_1_2_MASK |
-		(IBA7220_IBC_WIDTH_MASK << IBA7220_IBC_WIDTH_SHIFT));
-
-	if (speed == (IPATH_IB_SDR | IPATH_IB_DDR))
-		dd->ipath_ibcddrctrl |= IBA7220_IBC_SPEED_AUTONEG_MASK |
-			IBA7220_IBC_IBTA_1_2_MASK;
-	else
-		dd->ipath_ibcddrctrl |= speed == IPATH_IB_DDR ?
-			IBA7220_IBC_SPEED_DDR : IBA7220_IBC_SPEED_SDR;
-
-	/*
-	 * Convert from IB-style 1 = 1x, 2 = 4x, 3 = auto
-	 * to chip-centric       0 = 1x, 1 = 4x, 2 = auto
-	 */
-	dd->ipath_ibcddrctrl |= (u64)(dd->ipath_link_width_enabled - 1) <<
-		IBA7220_IBC_WIDTH_SHIFT;
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
-			dd->ipath_ibcddrctrl);
-	ipath_cdbg(VERBOSE, "setup for IB speed (%x) done\n", speed);
-}
-
-
-/*
- * this routine is only used when we are not talking to another
- * IB 1.2-compliant device that we think can do DDR.
- * (This includes all existing switch chips as of Oct 2007.)
- * 1.2-compliant devices go directly to DDR prior to reaching INIT
- */
-static void try_auto_neg(struct ipath_devdata *dd)
-{
-	/*
-	 * required for older non-IB1.2 DDR switches.  Newer
-	 * non-IB-compliant switches don't need it, but so far,
-	 * aren't bothered by it either.  "Magic constant"
-	 */
-	ipath_write_kreg(dd, IPATH_KREG_OFFSET(IBNCModeCtrl),
-		0x3b9dc07);
-	dd->ipath_flags |= IPATH_IB_AUTONEG_INPROG;
-	ipath_autoneg_send(dd, 0);
-	set_speed_fast(dd, IPATH_IB_DDR);
-	ipath_toggle_rclkrls(dd);
-	/* 2 msec is minimum length of a poll cycle */
-	schedule_delayed_work(&dd->ipath_autoneg_work,
-		msecs_to_jiffies(2));
-}
-
-
-static int ipath_7220_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs)
-{
-	int ret = 0, symadj = 0;
-	u32 ltstate = ipath_ib_linkstate(dd, ibcs);
-
-	dd->ipath_link_width_active =
-		((ibcs >> IBA7220_IBCS_LINKWIDTH_SHIFT) & 1) ?
-		    IB_WIDTH_4X : IB_WIDTH_1X;
-	dd->ipath_link_speed_active =
-		((ibcs >> IBA7220_IBCS_LINKSPEED_SHIFT) & 1) ?
-		    IPATH_IB_DDR : IPATH_IB_SDR;
-
-	if (!ibup) {
-		/*
-		 * when link goes down we don't want aeq running, so it
-		 * won't't interfere with IBC training, etc., and we need
-		 * to go back to the static SerDes preset values
-		 */
-		if (dd->ipath_x1_fix_tries &&
-			 ltstate <= INFINIPATH_IBCS_LT_STATE_SLEEPQUIET &&
-			ltstate != INFINIPATH_IBCS_LT_STATE_LINKUP)
-			dd->ipath_x1_fix_tries = 0;
-		if (!(dd->ipath_flags & (IPATH_IB_AUTONEG_FAILED |
-			IPATH_IB_AUTONEG_INPROG)))
-			set_speed_fast(dd, dd->ipath_link_speed_enabled);
-		if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)) {
-			ipath_cdbg(VERBOSE, "Setting RXEQ defaults\n");
-			ipath_sd7220_presets(dd);
-		}
-		/* this might better in ipath_sd7220_presets() */
-		ipath_set_relock_poll(dd, ibup);
-	} else {
-		if (ipath_compat_ddr_negotiate &&
-		    !(dd->ipath_flags & (IPATH_IB_AUTONEG_FAILED |
-			IPATH_IB_AUTONEG_INPROG)) &&
-			dd->ipath_link_speed_active == IPATH_IB_SDR &&
-			(dd->ipath_link_speed_enabled &
-			    (IPATH_IB_DDR | IPATH_IB_SDR)) ==
-			    (IPATH_IB_DDR | IPATH_IB_SDR) &&
-			dd->ipath_autoneg_tries < IPATH_AUTONEG_TRIES) {
-			/* we are SDR, and DDR auto-negotiation enabled */
-			++dd->ipath_autoneg_tries;
-			ipath_dbg("DDR negotiation try, %u/%u\n",
-				dd->ipath_autoneg_tries,
-				IPATH_AUTONEG_TRIES);
-			if (!dd->ibdeltainprog) {
-				dd->ibdeltainprog = 1;
-				dd->ibsymsnap = ipath_read_creg32(dd,
-					dd->ipath_cregs->cr_ibsymbolerrcnt);
-				dd->iblnkerrsnap = ipath_read_creg32(dd,
-					dd->ipath_cregs->cr_iblinkerrrecovcnt);
-			}
-			try_auto_neg(dd);
-			ret = 1; /* no other IB status change processing */
-		} else if ((dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)
-			&& dd->ipath_link_speed_active == IPATH_IB_SDR) {
-			ipath_autoneg_send(dd, 1);
-			set_speed_fast(dd, IPATH_IB_DDR);
-			udelay(2);
-			ipath_toggle_rclkrls(dd);
-			ret = 1; /* no other IB status change processing */
-		} else {
-			if ((dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) &&
-				(dd->ipath_link_speed_active & IPATH_IB_DDR)) {
-				ipath_dbg("Got to INIT with DDR autoneg\n");
-				dd->ipath_flags &= ~(IPATH_IB_AUTONEG_INPROG
-					| IPATH_IB_AUTONEG_FAILED);
-				dd->ipath_autoneg_tries = 0;
-				/* re-enable SDR, for next link down */
-				set_speed_fast(dd,
-					dd->ipath_link_speed_enabled);
-				wake_up(&dd->ipath_autoneg_wait);
-				symadj = 1;
-			} else if (dd->ipath_flags & IPATH_IB_AUTONEG_FAILED) {
-				/*
-				 * clear autoneg failure flag, and do setup
-				 * so we'll try next time link goes down and
-				 * back to INIT (possibly connected to different
-				 * device).
-				 */
-				ipath_dbg("INIT %sDR after autoneg failure\n",
-					(dd->ipath_link_speed_active &
-					  IPATH_IB_DDR) ? "D" : "S");
-				dd->ipath_flags &= ~IPATH_IB_AUTONEG_FAILED;
-				dd->ipath_ibcddrctrl |=
-					IBA7220_IBC_IBTA_1_2_MASK;
-				ipath_write_kreg(dd,
-					IPATH_KREG_OFFSET(IBNCModeCtrl), 0);
-				symadj = 1;
-			}
-		}
-		/*
-		 * if we are in 1X on rev1 only, and are in autoneg width,
-		 * it could be due to an xgxs problem, so if we haven't
-		 * already tried, try twice to get to 4X; if we
-		 * tried, and couldn't, report it, since it will
-		 * probably not be what is desired.
-		 */
-		if (dd->ipath_minrev == 1 &&
-		    (dd->ipath_link_width_enabled & (IB_WIDTH_1X |
-			IB_WIDTH_4X)) == (IB_WIDTH_1X | IB_WIDTH_4X)
-			&& dd->ipath_link_width_active == IB_WIDTH_1X
-			&& dd->ipath_x1_fix_tries < 3) {
-		     if (++dd->ipath_x1_fix_tries == 3) {
-				dev_info(&dd->pcidev->dev,
-					"IB link is in 1X mode\n");
-				if (!(dd->ipath_flags &
-				      IPATH_IB_AUTONEG_INPROG))
-					symadj = 1;
-		     }
-			else {
-				ipath_cdbg(VERBOSE, "IB 1X in "
-					"auto-width, try %u to be "
-					"sure it's really 1X; "
-					"ltstate %u\n",
-					 dd->ipath_x1_fix_tries,
-					 ltstate);
-				dd->ipath_f_xgxs_reset(dd);
-				ret = 1; /* skip other processing */
-			}
-		} else if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG))
-			symadj = 1;
-
-		if (!ret) {
-			dd->delay_mult = rate_to_delay
-			    [(ibcs >> IBA7220_IBCS_LINKSPEED_SHIFT) & 1]
-			    [(ibcs >> IBA7220_IBCS_LINKWIDTH_SHIFT) & 1];
-
-			ipath_set_relock_poll(dd, ibup);
-		}
-	}
-
-	if (symadj) {
-		if (dd->ibdeltainprog) {
-			dd->ibdeltainprog = 0;
-			dd->ibsymdelta += ipath_read_creg32(dd,
-				dd->ipath_cregs->cr_ibsymbolerrcnt) -
-				dd->ibsymsnap;
-			dd->iblnkerrdelta += ipath_read_creg32(dd,
-				dd->ipath_cregs->cr_iblinkerrrecovcnt) -
-				dd->iblnkerrsnap;
-		}
-	} else if (!ibup && !dd->ibdeltainprog
-		   && !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)) {
-		dd->ibdeltainprog = 1;
-		dd->ibsymsnap =	ipath_read_creg32(dd,
-				     dd->ipath_cregs->cr_ibsymbolerrcnt);
-		dd->iblnkerrsnap = ipath_read_creg32(dd,
-				     dd->ipath_cregs->cr_iblinkerrrecovcnt);
-	}
-
-	if (!ret)
-		ipath_setup_7220_setextled(dd, ipath_ib_linkstate(dd, ibcs),
-			ltstate);
-	return ret;
-}
-
-
-/*
- * Handle the empirically determined mechanism for auto-negotiation
- * of DDR speed with switches.
- */
-static void autoneg_work(struct work_struct *work)
-{
-	struct ipath_devdata *dd;
-	u64 startms;
-	u32 lastlts, i;
-
-	dd = container_of(work, struct ipath_devdata,
-		ipath_autoneg_work.work);
-
-	startms = jiffies_to_msecs(jiffies);
-
-	/*
-	 * busy wait for this first part, it should be at most a
-	 * few hundred usec, since we scheduled ourselves for 2msec.
-	 */
-	for (i = 0; i < 25; i++) {
-		lastlts = ipath_ib_linktrstate(dd, dd->ipath_lastibcstat);
-		if (lastlts == INFINIPATH_IBCS_LT_STATE_POLLQUIET) {
-			ipath_set_linkstate(dd, IPATH_IB_LINKDOWN_DISABLE);
-			break;
-		}
-		udelay(100);
-	}
-
-	if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG))
-		goto done; /* we got there early or told to stop */
-
-	/* we expect this to timeout */
-	if (wait_event_timeout(dd->ipath_autoneg_wait,
-		!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
-		msecs_to_jiffies(90)))
-		goto done;
-
-	ipath_toggle_rclkrls(dd);
-
-	/* we expect this to timeout */
-	if (wait_event_timeout(dd->ipath_autoneg_wait,
-		!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
-		msecs_to_jiffies(1700)))
-		goto done;
-
-	set_speed_fast(dd, IPATH_IB_SDR);
-	ipath_toggle_rclkrls(dd);
-
-	/*
-	 * wait up to 250 msec for link to train and get to INIT at DDR;
-	 * this should terminate early
-	 */
-	wait_event_timeout(dd->ipath_autoneg_wait,
-		!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
-		msecs_to_jiffies(250));
-done:
-	if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) {
-		ipath_dbg("Did not get to DDR INIT (%x) after %Lu msecs\n",
-			ipath_ib_state(dd, dd->ipath_lastibcstat),
-			(unsigned long long) jiffies_to_msecs(jiffies)-startms);
-		dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
-		if (dd->ipath_autoneg_tries == IPATH_AUTONEG_TRIES) {
-			dd->ipath_flags |= IPATH_IB_AUTONEG_FAILED;
-			ipath_dbg("Giving up on DDR until next IB "
-				"link Down\n");
-			dd->ipath_autoneg_tries = 0;
-		}
-		set_speed_fast(dd, dd->ipath_link_speed_enabled);
-	}
-}
-
-
-/**
- * ipath_init_iba7220_funcs - set up the chip-specific function pointers
- * @dd: the infinipath device
- *
- * This is global, and is called directly at init to set up the
- * chip-specific function pointers for later use.
- */
-void ipath_init_iba7220_funcs(struct ipath_devdata *dd)
-{
-	dd->ipath_f_intrsetup = ipath_7220_intconfig;
-	dd->ipath_f_bus = ipath_setup_7220_config;
-	dd->ipath_f_reset = ipath_setup_7220_reset;
-	dd->ipath_f_get_boardname = ipath_7220_boardname;
-	dd->ipath_f_init_hwerrors = ipath_7220_init_hwerrors;
-	dd->ipath_f_early_init = ipath_7220_early_init;
-	dd->ipath_f_handle_hwerrors = ipath_7220_handle_hwerrors;
-	dd->ipath_f_quiet_serdes = ipath_7220_quiet_serdes;
-	dd->ipath_f_bringup_serdes = ipath_7220_bringup_serdes;
-	dd->ipath_f_clear_tids = ipath_7220_clear_tids;
-	dd->ipath_f_put_tid = ipath_7220_put_tid;
-	dd->ipath_f_cleanup = ipath_setup_7220_cleanup;
-	dd->ipath_f_setextled = ipath_setup_7220_setextled;
-	dd->ipath_f_get_base_info = ipath_7220_get_base_info;
-	dd->ipath_f_free_irq = ipath_7220_free_irq;
-	dd->ipath_f_tidtemplate = ipath_7220_tidtemplate;
-	dd->ipath_f_intr_fallback = ipath_7220_intr_fallback;
-	dd->ipath_f_xgxs_reset = ipath_7220_xgxs_reset;
-	dd->ipath_f_get_ib_cfg = ipath_7220_get_ib_cfg;
-	dd->ipath_f_set_ib_cfg = ipath_7220_set_ib_cfg;
-	dd->ipath_f_config_jint = ipath_7220_config_jint;
-	dd->ipath_f_config_ports = ipath_7220_config_ports;
-	dd->ipath_f_read_counters = ipath_7220_read_counters;
-	dd->ipath_f_get_msgheader = ipath_7220_get_msgheader;
-	dd->ipath_f_ib_updown = ipath_7220_ib_updown;
-
-	/* initialize chip-specific variables */
-	ipath_init_7220_variables(dd);
-}
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index b3d7efcdf02..6559af60bff 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -1030,8 +1030,6 @@ void ipath_free_data(struct ipath_portdata *dd);
 u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32, u32 *);
 void ipath_chg_pioavailkernel(struct ipath_devdata *dd, unsigned start,
 				unsigned len, int avail);
-void ipath_init_iba7220_funcs(struct ipath_devdata *);
-void ipath_init_iba6120_funcs(struct ipath_devdata *);
 void ipath_init_iba6110_funcs(struct ipath_devdata *);
 void ipath_get_eeprom_info(struct ipath_devdata *);
 int ipath_update_eeprom_log(struct ipath_devdata *dd);
diff --git a/drivers/infiniband/hw/ipath/ipath_sd7220.c b/drivers/infiniband/hw/ipath/ipath_sd7220.c
deleted file mode 100644
index 2a68d9f624d..00000000000
--- a/drivers/infiniband/hw/ipath/ipath_sd7220.c
+++ /dev/null
@@ -1,1462 +0,0 @@
-/*
- * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
- * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-/*
- * This file contains all of the code that is specific to the SerDes
- * on the InfiniPath 7220 chip.
- */
-
-#include <linux/pci.h>
-#include <linux/delay.h>
-
-#include "ipath_kernel.h"
-#include "ipath_registers.h"
-#include "ipath_7220.h"
-
-/*
- * The IBSerDesMappTable is a memory that holds values to be stored in
- * various SerDes registers by IBC. It is not part of the normal kregs
- * map and is used in exactly one place, hence the #define below.
- */
-#define KR_IBSerDesMappTable (0x94000 / (sizeof(uint64_t)))
-
-/*
- * Below used for sdnum parameter, selecting one of the two sections
- * used for PCIe, or the single SerDes used for IB.
- */
-#define PCIE_SERDES0 0
-#define PCIE_SERDES1 1
-
-/*
- * The EPB requires addressing in a particular form. EPB_LOC() is intended
- * to make #definitions a little more readable.
- */
-#define EPB_ADDR_SHF 8
-#define EPB_LOC(chn, elt, reg) \
-	(((elt & 0xf) | ((chn & 7) << 4) | ((reg & 0x3f) << 9)) << \
-	 EPB_ADDR_SHF)
-#define EPB_IB_QUAD0_CS_SHF (25)
-#define EPB_IB_QUAD0_CS (1U <<  EPB_IB_QUAD0_CS_SHF)
-#define EPB_IB_UC_CS_SHF (26)
-#define EPB_PCIE_UC_CS_SHF (27)
-#define EPB_GLOBAL_WR (1U << (EPB_ADDR_SHF + 8))
-
-/* Forward declarations. */
-static int ipath_sd7220_reg_mod(struct ipath_devdata *dd, int sdnum, u32 loc,
-				u32 data, u32 mask);
-static int ibsd_mod_allchnls(struct ipath_devdata *dd, int loc, int val,
-			     int mask);
-static int ipath_sd_trimdone_poll(struct ipath_devdata *dd);
-static void ipath_sd_trimdone_monitor(struct ipath_devdata *dd,
-				      const char *where);
-static int ipath_sd_setvals(struct ipath_devdata *dd);
-static int ipath_sd_early(struct ipath_devdata *dd);
-static int ipath_sd_dactrim(struct ipath_devdata *dd);
-/* Set the registers that IBC may muck with to their default "preset" values */
-int ipath_sd7220_presets(struct ipath_devdata *dd);
-static int ipath_internal_presets(struct ipath_devdata *dd);
-/* Tweak the register (CMUCTRL5) that contains the TRIMSELF controls */
-static int ipath_sd_trimself(struct ipath_devdata *dd, int val);
-static int epb_access(struct ipath_devdata *dd, int sdnum, int claim);
-
-void ipath_set_relock_poll(struct ipath_devdata *dd, int ibup);
-
-/*
- * Below keeps track of whether the "once per power-on" initialization has
- * been done, because uC code Version 1.32.17 or higher allows the uC to
- * be reset at will, and Automatic Equalization may require it. So the
- * state of the reset "pin", as reflected in was_reset parameter to
- * ipath_sd7220_init() is no longer valid. Instead, we check for the
- * actual uC code having been loaded.
- */
-static int ipath_ibsd_ucode_loaded(struct ipath_devdata *dd)
-{
-	if (!dd->serdes_first_init_done && (ipath_sd7220_ib_vfy(dd) > 0))
-		dd->serdes_first_init_done = 1;
-	return dd->serdes_first_init_done;
-}
-
-/* repeat #define for local use. "Real" #define is in ipath_iba7220.c */
-#define INFINIPATH_HWE_IB_UC_MEMORYPARITYERR      0x0000004000000000ULL
-#define IB_MPREG5 (EPB_LOC(6, 0, 0xE) | (1L << EPB_IB_UC_CS_SHF))
-#define IB_MPREG6 (EPB_LOC(6, 0, 0xF) | (1U << EPB_IB_UC_CS_SHF))
-#define UC_PAR_CLR_D 8
-#define UC_PAR_CLR_M 0xC
-#define IB_CTRL2(chn) (EPB_LOC(chn, 7, 3) | EPB_IB_QUAD0_CS)
-#define START_EQ1(chan) EPB_LOC(chan, 7, 0x27)
-
-void ipath_sd7220_clr_ibpar(struct ipath_devdata *dd)
-{
-	int ret;
-
-	/* clear, then re-enable parity errs */
-	ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6,
-		UC_PAR_CLR_D, UC_PAR_CLR_M);
-	if (ret < 0) {
-		ipath_dev_err(dd, "Failed clearing IBSerDes Parity err\n");
-		goto bail;
-	}
-	ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0,
-		UC_PAR_CLR_M);
-
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-	udelay(4);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
-		INFINIPATH_HWE_IB_UC_MEMORYPARITYERR);
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-bail:
-	return;
-}
-
-/*
- * After a reset or other unusual event, the epb interface may need
- * to be re-synchronized, between the host and the uC.
- * returns <0 for failure to resync within IBSD_RESYNC_TRIES (not expected)
- */
-#define IBSD_RESYNC_TRIES 3
-#define IB_PGUDP(chn) (EPB_LOC((chn), 2, 1) | EPB_IB_QUAD0_CS)
-#define IB_CMUDONE(chn) (EPB_LOC((chn), 7, 0xF) | EPB_IB_QUAD0_CS)
-
-static int ipath_resync_ibepb(struct ipath_devdata *dd)
-{
-	int ret, pat, tries, chn;
-	u32 loc;
-
-	ret = -1;
-	chn = 0;
-	for (tries = 0; tries < (4 * IBSD_RESYNC_TRIES); ++tries) {
-		loc = IB_PGUDP(chn);
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
-		if (ret < 0) {
-			ipath_dev_err(dd, "Failed read in resync\n");
-			continue;
-		}
-		if (ret != 0xF0 && ret != 0x55 && tries == 0)
-			ipath_dev_err(dd, "unexpected pattern in resync\n");
-		pat = ret ^ 0xA5; /* alternate F0 and 55 */
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, pat, 0xFF);
-		if (ret < 0) {
-			ipath_dev_err(dd, "Failed write in resync\n");
-			continue;
-		}
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
-		if (ret < 0) {
-			ipath_dev_err(dd, "Failed re-read in resync\n");
-			continue;
-		}
-		if (ret != pat) {
-			ipath_dev_err(dd, "Failed compare1 in resync\n");
-			continue;
-		}
-		loc = IB_CMUDONE(chn);
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
-		if (ret < 0) {
-			ipath_dev_err(dd, "Failed CMUDONE rd in resync\n");
-			continue;
-		}
-		if ((ret & 0x70) != ((chn << 4) | 0x40)) {
-			ipath_dev_err(dd, "Bad CMUDONE value %02X, chn %d\n",
-				ret, chn);
-			continue;
-		}
-		if (++chn == 4)
-			break;  /* Success */
-	}
-	ipath_cdbg(VERBOSE, "Resync in %d tries\n", tries);
-	return (ret > 0) ? 0 : ret;
-}
-
-/*
- * Localize the stuff that should be done to change IB uC reset
- * returns <0 for errors.
- */
-static int ipath_ibsd_reset(struct ipath_devdata *dd, int assert_rst)
-{
-	u64 rst_val;
-	int ret = 0;
-	unsigned long flags;
-
-	rst_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibserdesctrl);
-	if (assert_rst) {
-		/*
-		 * Vendor recommends "interrupting" uC before reset, to
-		 * minimize possible glitches.
-		 */
-		spin_lock_irqsave(&dd->ipath_sdepb_lock, flags);
-		epb_access(dd, IB_7220_SERDES, 1);
-		rst_val |= 1ULL;
-		/* Squelch possible parity error from _asserting_ reset */
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-			dd->ipath_hwerrmask &
-			~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR);
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_ibserdesctrl, rst_val);
-		/* flush write, delay to ensure it took effect */
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-		udelay(2);
-		/* once it's reset, can remove interrupt */
-		epb_access(dd, IB_7220_SERDES, -1);
-		spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
-	} else {
-		/*
-		 * Before we de-assert reset, we need to deal with
-		 * possible glitch on the Parity-error line.
-		 * Suppress it around the reset, both in chip-level
-		 * hwerrmask and in IB uC control reg. uC will allow
-		 * it again during startup.
-		 */
-		u64 val;
-		rst_val &= ~(1ULL);
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-			dd->ipath_hwerrmask &
-			~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR);
-
-		ret = ipath_resync_ibepb(dd);
-		if (ret < 0)
-			ipath_dev_err(dd, "unable to re-sync IB EPB\n");
-
-		/* set uC control regs to suppress parity errs */
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG5, 1, 1);
-		if (ret < 0)
-			goto bail;
-		/* IB uC code past Version 1.32.17 allow suppression of wdog */
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0x80,
-			0x80);
-		if (ret < 0) {
-			ipath_dev_err(dd, "Failed to set WDOG disable\n");
-			goto bail;
-		}
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_ibserdesctrl, rst_val);
-		/* flush write, delay for startup */
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-		udelay(1);
-		/* clear, then re-enable parity errs */
-		ipath_sd7220_clr_ibpar(dd);
-		val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus);
-		if (val & INFINIPATH_HWE_IB_UC_MEMORYPARITYERR) {
-			ipath_dev_err(dd, "IBUC Parity still set after RST\n");
-			dd->ipath_hwerrmask &=
-				~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR;
-		}
-		ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
-			dd->ipath_hwerrmask);
-	}
-
-bail:
-	return ret;
-}
-
-static void ipath_sd_trimdone_monitor(struct ipath_devdata *dd,
-       const char *where)
-{
-	int ret, chn, baduns;
-	u64 val;
-
-	if (!where)
-		where = "?";
-
-	/* give time for reset to settle out in EPB */
-	udelay(2);
-
-	ret = ipath_resync_ibepb(dd);
-	if (ret < 0)
-		ipath_dev_err(dd, "not able to re-sync IB EPB (%s)\n", where);
-
-	/* Do "sacrificial read" to get EPB in sane state after reset */
-	ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_CTRL2(0), 0, 0);
-	if (ret < 0)
-		ipath_dev_err(dd, "Failed TRIMDONE 1st read, (%s)\n", where);
-
-	/* Check/show "summary" Trim-done bit in IBCStatus */
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
-	if (val & (1ULL << 11))
-		ipath_cdbg(VERBOSE, "IBCS TRIMDONE set (%s)\n", where);
-	else
-		ipath_dev_err(dd, "IBCS TRIMDONE clear (%s)\n", where);
-
-	udelay(2);
-
-	ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0x80, 0x80);
-	if (ret < 0)
-		ipath_dev_err(dd, "Failed Dummy RMW, (%s)\n", where);
-	udelay(10);
-
-	baduns = 0;
-
-	for (chn = 3; chn >= 0; --chn) {
-		/* Read CTRL reg for each channel to check TRIMDONE */
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
-			IB_CTRL2(chn), 0, 0);
-		if (ret < 0)
-			ipath_dev_err(dd, "Failed checking TRIMDONE, chn %d"
-				" (%s)\n", chn, where);
-
-		if (!(ret & 0x10)) {
-			int probe;
-			baduns |= (1 << chn);
-			ipath_dev_err(dd, "TRIMDONE cleared on chn %d (%02X)."
-				" (%s)\n", chn, ret, where);
-			probe = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
-				IB_PGUDP(0), 0, 0);
-			ipath_dev_err(dd, "probe is %d (%02X)\n",
-				probe, probe);
-			probe = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
-				IB_CTRL2(chn), 0, 0);
-			ipath_dev_err(dd, "re-read: %d (%02X)\n",
-				probe, probe);
-			ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
-				IB_CTRL2(chn), 0x10, 0x10);
-			if (ret < 0)
-				ipath_dev_err(dd,
-					"Err on TRIMDONE rewrite1\n");
-		}
-	}
-	for (chn = 3; chn >= 0; --chn) {
-		/* Read CTRL reg for each channel to check TRIMDONE */
-		if (baduns & (1 << chn)) {
-			ipath_dev_err(dd,
-				"Reseting TRIMDONE on chn %d (%s)\n",
-				chn, where);
-			ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
-				IB_CTRL2(chn), 0x10, 0x10);
-			if (ret < 0)
-				ipath_dev_err(dd, "Failed re-setting "
-					"TRIMDONE, chn %d (%s)\n",
-					chn, where);
-		}
-	}
-}
-
-/*
- * Below is portion of IBA7220-specific bringup_serdes() that actually
- * deals with registers and memory within the SerDes itself.
- * Post IB uC code version 1.32.17, was_reset being 1 is not really
- * informative, so we double-check.
- */
-int ipath_sd7220_init(struct ipath_devdata *dd, int was_reset)
-{
-	int ret = 1; /* default to failure */
-	int first_reset;
-	int val_stat;
-
-	if (!was_reset) {
-		/* entered with reset not asserted, we need to do it */
-		ipath_ibsd_reset(dd, 1);
-		ipath_sd_trimdone_monitor(dd, "Driver-reload");
-	}
-
-	/* Substitute our deduced value for was_reset */
-	ret = ipath_ibsd_ucode_loaded(dd);
-	if (ret < 0) {
-		ret = 1;
-		goto done;
-	}
-	first_reset = !ret; /* First reset if IBSD uCode not yet loaded */
-
-	/*
-	 * Alter some regs per vendor latest doc, reset-defaults
-	 * are not right for IB.
-	 */
-	ret = ipath_sd_early(dd);
-	if (ret < 0) {
-		ipath_dev_err(dd, "Failed to set IB SERDES early defaults\n");
-		ret = 1;
-		goto done;
-	}
-
-	/*
-	 * Set DAC manual trim IB.
-	 * We only do this once after chip has been reset (usually
-	 * same as once per system boot).
-	 */
-	if (first_reset) {
-		ret = ipath_sd_dactrim(dd);
-		if (ret < 0) {
-			ipath_dev_err(dd, "Failed IB SERDES DAC trim\n");
-			ret = 1;
-			goto done;
-		}
-	}
-
-	/*
-	 * Set various registers (DDS and RXEQ) that will be
-	 * controlled by IBC (in 1.2 mode) to reasonable preset values
-	 * Calling the "internal" version avoids the "check for needed"
-	 * and "trimdone monitor" that might be counter-productive.
-	 */
-	ret = ipath_internal_presets(dd);
-	if (ret < 0) {
-		ipath_dev_err(dd, "Failed to set IB SERDES presets\n");
-		ret = 1;
-		goto done;
-	}
-	ret = ipath_sd_trimself(dd, 0x80);
-	if (ret < 0) {
-		ipath_dev_err(dd, "Failed to set IB SERDES TRIMSELF\n");
-		ret = 1;
-		goto done;
-	}
-
-	/* Load image, then try to verify */
-	ret = 0;	/* Assume success */
-	if (first_reset) {
-		int vfy;
-		int trim_done;
-		ipath_dbg("SerDes uC was reset, reloading PRAM\n");
-		ret = ipath_sd7220_ib_load(dd);
-		if (ret < 0) {
-			ipath_dev_err(dd, "Failed to load IB SERDES image\n");
-			ret = 1;
-			goto done;
-		}
-
-		/* Loaded image, try to verify */
-		vfy = ipath_sd7220_ib_vfy(dd);
-		if (vfy != ret) {
-			ipath_dev_err(dd, "SERDES PRAM VFY failed\n");
-			ret = 1;
-			goto done;
-		}
-		/*
-		 * Loaded and verified. Almost good...
-		 * hold "success" in ret
-		 */
-		ret = 0;
-
-		/*
-		 * Prev steps all worked, continue bringup
-		 * De-assert RESET to uC, only in first reset, to allow
-		 * trimming.
-		 *
-		 * Since our default setup sets START_EQ1 to
-		 * PRESET, we need to clear that for this very first run.
-		 */
-		ret = ibsd_mod_allchnls(dd, START_EQ1(0), 0, 0x38);
-		if (ret < 0) {
-			ipath_dev_err(dd, "Failed clearing START_EQ1\n");
-			ret = 1;
-			goto done;
-		}
-
-		ipath_ibsd_reset(dd, 0);
-		/*
-		 * If this is not the first reset, trimdone should be set
-		 * already.
-		 */
-		trim_done = ipath_sd_trimdone_poll(dd);
-		/*
-		 * Whether or not trimdone succeeded, we need to put the
-		 * uC back into reset to avoid a possible fight with the
-		 * IBC state-machine.
-		 */
-		ipath_ibsd_reset(dd, 1);
-
-		if (!trim_done) {
-			ipath_dev_err(dd, "No TRIMDONE seen\n");
-			ret = 1;
-			goto done;
-		}
-
-		ipath_sd_trimdone_monitor(dd, "First-reset");
-		/* Remember so we do not re-do the load, dactrim, etc. */
-		dd->serdes_first_init_done = 1;
-	}
-	/*
-	 * Setup for channel training and load values for
-	 * RxEq and DDS in tables used by IBC in IB1.2 mode
-	 */
-
-	val_stat = ipath_sd_setvals(dd);
-	if (val_stat < 0)
-		ret = 1;
-done:
-	/* start relock timer regardless, but start at 1 second */
-	ipath_set_relock_poll(dd, -1);
-	return ret;
-}
-
-#define EPB_ACC_REQ 1
-#define EPB_ACC_GNT 0x100
-#define EPB_DATA_MASK 0xFF
-#define EPB_RD (1ULL << 24)
-#define EPB_TRANS_RDY (1ULL << 31)
-#define EPB_TRANS_ERR (1ULL << 30)
-#define EPB_TRANS_TRIES 5
-
-/*
- * query, claim, release ownership of the EPB (External Parallel Bus)
- * for a specified SERDES.
- * the "claim" parameter is >0 to claim, <0 to release, 0 to query.
- * Returns <0 for errors, >0 if we had ownership, else 0.
- */
-static int epb_access(struct ipath_devdata *dd, int sdnum, int claim)
-{
-	u16 acc;
-	u64 accval;
-	int owned = 0;
-	u64 oct_sel = 0;
-
-	switch (sdnum) {
-	case IB_7220_SERDES :
-		/*
-		 * The IB SERDES "ownership" is fairly simple. A single each
-		 * request/grant.
-		 */
-		acc = dd->ipath_kregs->kr_ib_epbacc;
-		break;
-	case PCIE_SERDES0 :
-	case PCIE_SERDES1 :
-		/* PCIe SERDES has two "octants", need to select which */
-		acc = dd->ipath_kregs->kr_pcie_epbacc;
-		oct_sel = (2 << (sdnum - PCIE_SERDES0));
-		break;
-	default :
-		return 0;
-	}
-
-	/* Make sure any outstanding transaction was seen */
-	ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-	udelay(15);
-
-	accval = ipath_read_kreg32(dd, acc);
-
-	owned = !!(accval & EPB_ACC_GNT);
-	if (claim < 0) {
-		/* Need to release */
-		u64 pollval;
-		/*
-		 * The only writeable bits are the request and CS.
-		 * Both should be clear
-		 */
-		u64 newval = 0;
-		ipath_write_kreg(dd, acc, newval);
-		/* First read after write is not trustworthy */
-		pollval = ipath_read_kreg32(dd, acc);
-		udelay(5);
-		pollval = ipath_read_kreg32(dd, acc);
-		if (pollval & EPB_ACC_GNT)
-			owned = -1;
-	} else if (claim > 0) {
-		/* Need to claim */
-		u64 pollval;
-		u64 newval = EPB_ACC_REQ | oct_sel;
-		ipath_write_kreg(dd, acc, newval);
-		/* First read after write is not trustworthy */
-		pollval = ipath_read_kreg32(dd, acc);
-		udelay(5);
-		pollval = ipath_read_kreg32(dd, acc);
-		if (!(pollval & EPB_ACC_GNT))
-			owned = -1;
-	}
-	return owned;
-}
-
-/*
- * Lemma to deal with race condition of write..read to epb regs
- */
-static int epb_trans(struct ipath_devdata *dd, u16 reg, u64 i_val, u64 *o_vp)
-{
-	int tries;
-	u64 transval;
-
-
-	ipath_write_kreg(dd, reg, i_val);
-	/* Throw away first read, as RDY bit may be stale */
-	transval = ipath_read_kreg64(dd, reg);
-
-	for (tries = EPB_TRANS_TRIES; tries; --tries) {
-		transval = ipath_read_kreg32(dd, reg);
-		if (transval & EPB_TRANS_RDY)
-			break;
-		udelay(5);
-	}
-	if (transval & EPB_TRANS_ERR)
-		return -1;
-	if (tries > 0 && o_vp)
-		*o_vp = transval;
-	return tries;
-}
-
-/**
- *
- * ipath_sd7220_reg_mod - modify SERDES register
- * @dd: the infinipath device
- * @sdnum: which SERDES to access
- * @loc: location - channel, element, register, as packed by EPB_LOC() macro.
- * @wd: Write Data - value to set in register
- * @mask: ones where data should be spliced into reg.
- *
- * Basic register read/modify/write, with un-needed accesses elided. That is,
- * a mask of zero will prevent write, while a mask of 0xFF will prevent read.
- * returns current (presumed, if a write was done) contents of selected
- * register, or <0 if errors.
- */
-static int ipath_sd7220_reg_mod(struct ipath_devdata *dd, int sdnum, u32 loc,
-				u32 wd, u32 mask)
-{
-	u16 trans;
-	u64 transval;
-	int owned;
-	int tries, ret;
-	unsigned long flags;
-
-	switch (sdnum) {
-	case IB_7220_SERDES :
-		trans = dd->ipath_kregs->kr_ib_epbtrans;
-		break;
-	case PCIE_SERDES0 :
-	case PCIE_SERDES1 :
-		trans = dd->ipath_kregs->kr_pcie_epbtrans;
-		break;
-	default :
-		return -1;
-	}
-
-	/*
-	 * All access is locked in software (vs other host threads) and
-	 * hardware (vs uC access).
-	 */
-	spin_lock_irqsave(&dd->ipath_sdepb_lock, flags);
-
-	owned = epb_access(dd, sdnum, 1);
-	if (owned < 0) {
-		spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
-		return -1;
-	}
-	ret = 0;
-	for (tries = EPB_TRANS_TRIES; tries; --tries) {
-		transval = ipath_read_kreg32(dd, trans);
-		if (transval & EPB_TRANS_RDY)
-			break;
-		udelay(5);
-	}
-
-	if (tries > 0) {
-		tries = 1;	/* to make read-skip work */
-		if (mask != 0xFF) {
-			/*
-			 * Not a pure write, so need to read.
-			 * loc encodes chip-select as well as address
-			 */
-			transval = loc | EPB_RD;
-			tries = epb_trans(dd, trans, transval, &transval);
-		}
-		if (tries > 0 && mask != 0) {
-			/*
-			 * Not a pure read, so need to write.
-			 */
-			wd = (wd & mask) | (transval & ~mask);
-			transval = loc | (wd & EPB_DATA_MASK);
-			tries = epb_trans(dd, trans, transval, &transval);
-		}
-	}
-	/* else, failed to see ready, what error-handling? */
-
-	/*
-	 * Release bus. Failure is an error.
-	 */
-	if (epb_access(dd, sdnum, -1) < 0)
-		ret = -1;
-	else
-		ret = transval & EPB_DATA_MASK;
-
-	spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
-	if (tries <= 0)
-		ret = -1;
-	return ret;
-}
-
-#define EPB_ROM_R (2)
-#define EPB_ROM_W (1)
-/*
- * Below, all uC-related, use appropriate UC_CS, depending
- * on which SerDes is used.
- */
-#define EPB_UC_CTL EPB_LOC(6, 0, 0)
-#define EPB_MADDRL EPB_LOC(6, 0, 2)
-#define EPB_MADDRH EPB_LOC(6, 0, 3)
-#define EPB_ROMDATA EPB_LOC(6, 0, 4)
-#define EPB_RAMDATA EPB_LOC(6, 0, 5)
-
-/* Transfer date to/from uC Program RAM of IB or PCIe SerDes */
-static int ipath_sd7220_ram_xfer(struct ipath_devdata *dd, int sdnum, u32 loc,
-			       u8 *buf, int cnt, int rd_notwr)
-{
-	u16 trans;
-	u64 transval;
-	u64 csbit;
-	int owned;
-	int tries;
-	int sofar;
-	int addr;
-	int ret;
-	unsigned long flags;
-	const char *op;
-
-	/* Pick appropriate transaction reg and "Chip select" for this serdes */
-	switch (sdnum) {
-	case IB_7220_SERDES :
-		csbit = 1ULL << EPB_IB_UC_CS_SHF;
-		trans = dd->ipath_kregs->kr_ib_epbtrans;
-		break;
-	case PCIE_SERDES0 :
-	case PCIE_SERDES1 :
-		/* PCIe SERDES has uC "chip select" in different bit, too */
-		csbit = 1ULL << EPB_PCIE_UC_CS_SHF;
-		trans = dd->ipath_kregs->kr_pcie_epbtrans;
-		break;
-	default :
-		return -1;
-	}
-
-	op = rd_notwr ? "Rd" : "Wr";
-	spin_lock_irqsave(&dd->ipath_sdepb_lock, flags);
-
-	owned = epb_access(dd, sdnum, 1);
-	if (owned < 0) {
-		spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
-		ipath_dbg("Could not get %s access to %s EPB: %X, loc %X\n",
-			op, (sdnum == IB_7220_SERDES) ? "IB" : "PCIe",
-			owned, loc);
-		return -1;
-	}
-
-	/*
-	 * In future code, we may need to distinguish several address ranges,
-	 * and select various memories based on this. For now, just trim
-	 * "loc" (location including address and memory select) to
-	 * "addr" (address within memory). we will only support PRAM
-	 * The memory is 8KB.
-	 */
-	addr = loc & 0x1FFF;
-	for (tries = EPB_TRANS_TRIES; tries; --tries) {
-		transval = ipath_read_kreg32(dd, trans);
-		if (transval & EPB_TRANS_RDY)
-			break;
-		udelay(5);
-	}
-
-	sofar = 0;
-	if (tries <= 0)
-		ipath_dbg("No initial RDY on EPB access request\n");
-	else {
-		/*
-		 * Every "memory" access is doubly-indirect.
-		 * We set two bytes of address, then read/write
-		 * one or mores bytes of data.
-		 */
-
-		/* First, we set control to "Read" or "Write" */
-		transval = csbit | EPB_UC_CTL |
-			(rd_notwr ? EPB_ROM_R : EPB_ROM_W);
-		tries = epb_trans(dd, trans, transval, &transval);
-		if (tries <= 0)
-			ipath_dbg("No EPB response to uC %s cmd\n", op);
-		while (tries > 0 && sofar < cnt) {
-			if (!sofar) {
-				/* Only set address at start of chunk */
-				int addrbyte = (addr + sofar) >> 8;
-				transval = csbit | EPB_MADDRH | addrbyte;
-				tries = epb_trans(dd, trans, transval,
-						  &transval);
-				if (tries <= 0) {
-					ipath_dbg("No EPB response ADDRH\n");
-					break;
-				}
-				addrbyte = (addr + sofar) & 0xFF;
-				transval = csbit | EPB_MADDRL | addrbyte;
-				tries = epb_trans(dd, trans, transval,
-						 &transval);
-				if (tries <= 0) {
-					ipath_dbg("No EPB response ADDRL\n");
-					break;
-				}
-			}
-
-			if (rd_notwr)
-				transval = csbit | EPB_ROMDATA | EPB_RD;
-			else
-				transval = csbit | EPB_ROMDATA | buf[sofar];
-			tries = epb_trans(dd, trans, transval, &transval);
-			if (tries <= 0) {
-				ipath_dbg("No EPB response DATA\n");
-				break;
-			}
-			if (rd_notwr)
-				buf[sofar] = transval & EPB_DATA_MASK;
-			++sofar;
-		}
-		/* Finally, clear control-bit for Read or Write */
-		transval = csbit | EPB_UC_CTL;
-		tries = epb_trans(dd, trans, transval, &transval);
-		if (tries <= 0)
-			ipath_dbg("No EPB response to drop of uC %s cmd\n", op);
-	}
-
-	ret = sofar;
-	/* Release bus. Failure is an error */
-	if (epb_access(dd, sdnum, -1) < 0)
-		ret = -1;
-
-	spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
-	if (tries <= 0) {
-		ipath_dbg("SERDES PRAM %s failed after %d bytes\n", op, sofar);
-		ret = -1;
-	}
-	return ret;
-}
-
-#define PROG_CHUNK 64
-
-int ipath_sd7220_prog_ld(struct ipath_devdata *dd, int sdnum,
-	u8 *img, int len, int offset)
-{
-	int cnt, sofar, req;
-
-	sofar = 0;
-	while (sofar < len) {
-		req = len - sofar;
-		if (req > PROG_CHUNK)
-			req = PROG_CHUNK;
-		cnt = ipath_sd7220_ram_xfer(dd, sdnum, offset + sofar,
-					  img + sofar, req, 0);
-		if (cnt < req) {
-			sofar = -1;
-			break;
-		}
-		sofar += req;
-	}
-	return sofar;
-}
-
-#define VFY_CHUNK 64
-#define SD_PRAM_ERROR_LIMIT 42
-
-int ipath_sd7220_prog_vfy(struct ipath_devdata *dd, int sdnum,
-	const u8 *img, int len, int offset)
-{
-	int cnt, sofar, req, idx, errors;
-	unsigned char readback[VFY_CHUNK];
-
-	errors = 0;
-	sofar = 0;
-	while (sofar < len) {
-		req = len - sofar;
-		if (req > VFY_CHUNK)
-			req = VFY_CHUNK;
-		cnt = ipath_sd7220_ram_xfer(dd, sdnum, sofar + offset,
-					  readback, req, 1);
-		if (cnt < req) {
-			/* failed in read itself */
-			sofar = -1;
-			break;
-		}
-		for (idx = 0; idx < cnt; ++idx) {
-			if (readback[idx] != img[idx+sofar])
-				++errors;
-		}
-		sofar += cnt;
-	}
-	return errors ? -errors : sofar;
-}
-
-/* IRQ not set up at this point in init, so we poll. */
-#define IB_SERDES_TRIM_DONE (1ULL << 11)
-#define TRIM_TMO (30)
-
-static int ipath_sd_trimdone_poll(struct ipath_devdata *dd)
-{
-	int trim_tmo, ret;
-	uint64_t val;
-
-	/*
-	 * Default to failure, so IBC will not start
-	 * without IB_SERDES_TRIM_DONE.
-	 */
-	ret = 0;
-	for (trim_tmo = 0; trim_tmo < TRIM_TMO; ++trim_tmo) {
-		val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
-		if (val & IB_SERDES_TRIM_DONE) {
-			ipath_cdbg(VERBOSE, "TRIMDONE after %d\n", trim_tmo);
-			ret = 1;
-			break;
-		}
-		msleep(10);
-	}
-	if (trim_tmo >= TRIM_TMO) {
-		ipath_dev_err(dd, "No TRIMDONE in %d tries\n", trim_tmo);
-		ret = 0;
-	}
-	return ret;
-}
-
-#define TX_FAST_ELT (9)
-
-/*
- * Set the "negotiation" values for SERDES. These are used by the IB1.2
- * link negotiation. Macros below are attempt to keep the values a
- * little more human-editable.
- * First, values related to Drive De-emphasis Settings.
- */
-
-#define NUM_DDS_REGS 6
-#define DDS_REG_MAP 0x76A910 /* LSB-first list of regs (in elt 9) to mod */
-
-#define DDS_VAL(amp_d, main_d, ipst_d, ipre_d, amp_s, main_s, ipst_s, ipre_s) \
-	{ { ((amp_d & 0x1F) << 1) | 1, ((amp_s & 0x1F) << 1) | 1, \
-	  (main_d << 3) | 4 | (ipre_d >> 2), \
-	  (main_s << 3) | 4 | (ipre_s >> 2), \
-	  ((ipst_d & 0xF) << 1) | ((ipre_d & 3) << 6) | 0x21, \
-	  ((ipst_s & 0xF) << 1) | ((ipre_s & 3) << 6) | 0x21 } }
-
-static struct dds_init {
-	uint8_t reg_vals[NUM_DDS_REGS];
-} dds_init_vals[] = {
-	/*       DDR(FDR)       SDR(HDR)   */
-	/* Vendor recommends below for 3m cable */
-#define DDS_3M 0
-	DDS_VAL(31, 19, 12, 0, 29, 22,  9, 0),
-	DDS_VAL(31, 12, 15, 4, 31, 15, 15, 1),
-	DDS_VAL(31, 13, 15, 3, 31, 16, 15, 0),
-	DDS_VAL(31, 14, 15, 2, 31, 17, 14, 0),
-	DDS_VAL(31, 15, 15, 1, 31, 18, 13, 0),
-	DDS_VAL(31, 16, 15, 0, 31, 19, 12, 0),
-	DDS_VAL(31, 17, 14, 0, 31, 20, 11, 0),
-	DDS_VAL(31, 18, 13, 0, 30, 21, 10, 0),
-	DDS_VAL(31, 20, 11, 0, 28, 23,  8, 0),
-	DDS_VAL(31, 21, 10, 0, 27, 24,  7, 0),
-	DDS_VAL(31, 22,  9, 0, 26, 25,  6, 0),
-	DDS_VAL(30, 23,  8, 0, 25, 26,  5, 0),
-	DDS_VAL(29, 24,  7, 0, 23, 27,  4, 0),
-	/* Vendor recommends below for 1m cable */
-#define DDS_1M 13
-	DDS_VAL(28, 25,  6, 0, 21, 28,  3, 0),
-	DDS_VAL(27, 26,  5, 0, 19, 29,  2, 0),
-	DDS_VAL(25, 27,  4, 0, 17, 30,  1, 0)
-};
-
-/*
- * Next, values related to Receive Equalization.
- * In comments, FDR (Full) is IB DDR, HDR (Half) is IB SDR
- */
-/* Hardware packs an element number and register address thus: */
-#define RXEQ_INIT_RDESC(elt, addr) (((elt) & 0xF) | ((addr) << 4))
-#define RXEQ_VAL(elt, adr, val0, val1, val2, val3) \
-	{RXEQ_INIT_RDESC((elt), (adr)), {(val0), (val1), (val2), (val3)} }
-
-#define RXEQ_VAL_ALL(elt, adr, val)  \
-	{RXEQ_INIT_RDESC((elt), (adr)), {(val), (val), (val), (val)} }
-
-#define RXEQ_SDR_DFELTH 0
-#define RXEQ_SDR_TLTH 0
-#define RXEQ_SDR_G1CNT_Z1CNT 0x11
-#define RXEQ_SDR_ZCNT 23
-
-static struct rxeq_init {
-	u16 rdesc;	/* in form used in SerDesDDSRXEQ */
-	u8  rdata[4];
-} rxeq_init_vals[] = {
-	/* Set Rcv Eq. to Preset node */
-	RXEQ_VAL_ALL(7, 0x27, 0x10),
-	/* Set DFELTHFDR/HDR thresholds */
-	RXEQ_VAL(7, 8,    0, 0, 0, 0), /* FDR */
-	RXEQ_VAL(7, 0x21, 0, 0, 0, 0), /* HDR */
-	/* Set TLTHFDR/HDR threshold */
-	RXEQ_VAL(7, 9,    2, 2, 2, 2), /* FDR */
-	RXEQ_VAL(7, 0x23, 2, 2, 2, 2), /* HDR */
-	/* Set Preamp setting 2 (ZFR/ZCNT) */
-	RXEQ_VAL(7, 0x1B, 12, 12, 12, 12), /* FDR */
-	RXEQ_VAL(7, 0x1C, 12, 12, 12, 12), /* HDR */
-	/* Set Preamp DC gain and Setting 1 (GFR/GHR) */
-	RXEQ_VAL(7, 0x1E, 0x10, 0x10, 0x10, 0x10), /* FDR */
-	RXEQ_VAL(7, 0x1F, 0x10, 0x10, 0x10, 0x10), /* HDR */
-	/* Toggle RELOCK (in VCDL_CTRL0) to lock to data */
-	RXEQ_VAL_ALL(6, 6, 0x20), /* Set D5 High */
-	RXEQ_VAL_ALL(6, 6, 0), /* Set D5 Low */
-};
-
-/* There are 17 values from vendor, but IBC only accesses the first 16 */
-#define DDS_ROWS (16)
-#define RXEQ_ROWS ARRAY_SIZE(rxeq_init_vals)
-
-static int ipath_sd_setvals(struct ipath_devdata *dd)
-{
-	int idx, midx;
-	int min_idx;	 /* Minimum index for this portion of table */
-	uint32_t dds_reg_map;
-	u64 __iomem *taddr, *iaddr;
-	uint64_t data;
-	uint64_t sdctl;
-
-	taddr = dd->ipath_kregbase + KR_IBSerDesMappTable;
-	iaddr = dd->ipath_kregbase + dd->ipath_kregs->kr_ib_ddsrxeq;
-
-	/*
-	 * Init the DDS section of the table.
-	 * Each "row" of the table provokes NUM_DDS_REG writes, to the
-	 * registers indicated in DDS_REG_MAP.
-	 */
-	sdctl = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibserdesctrl);
-	sdctl = (sdctl & ~(0x1f << 8)) | (NUM_DDS_REGS << 8);
-	sdctl = (sdctl & ~(0x1f << 13)) | (RXEQ_ROWS << 13);
-	ipath_write_kreg(dd, dd->ipath_kregs->kr_ibserdesctrl, sdctl);
-
-	/*
-	 * Iterate down table within loop for each register to store.
-	 */
-	dds_reg_map = DDS_REG_MAP;
-	for (idx = 0; idx < NUM_DDS_REGS; ++idx) {
-		data = ((dds_reg_map & 0xF) << 4) | TX_FAST_ELT;
-		writeq(data, iaddr + idx);
-		mmiowb();
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-		dds_reg_map >>= 4;
-		for (midx = 0; midx < DDS_ROWS; ++midx) {
-			u64 __iomem *daddr = taddr + ((midx << 4) + idx);
-			data = dds_init_vals[midx].reg_vals[idx];
-			writeq(data, daddr);
-			mmiowb();
-			ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-		} /* End inner for (vals for this reg, each row) */
-	} /* end outer for (regs to be stored) */
-
-	/*
-	 * Init the RXEQ section of the table. As explained above the table
-	 * rxeq_init_vals[], this runs in a different order, as the pattern
-	 * of register references is more complex, but there are only
-	 * four "data" values per register.
-	 */
-	min_idx = idx; /* RXEQ indices pick up where DDS left off */
-	taddr += 0x100; /* RXEQ data is in second half of table */
-	/* Iterate through RXEQ register addresses */
-	for (idx = 0; idx < RXEQ_ROWS; ++idx) {
-		int didx; /* "destination" */
-		int vidx;
-
-		/* didx is offset by min_idx to address RXEQ range of regs */
-		didx = idx + min_idx;
-		/* Store the next RXEQ register address */
-		writeq(rxeq_init_vals[idx].rdesc, iaddr + didx);
-		mmiowb();
-		ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-		/* Iterate through RXEQ values */
-		for (vidx = 0; vidx < 4; vidx++) {
-			data = rxeq_init_vals[idx].rdata[vidx];
-			writeq(data, taddr + (vidx << 6) + idx);
-			mmiowb();
-			ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-		}
-	} /* end outer for (Reg-writes for RXEQ) */
-	return 0;
-}
-
-#define CMUCTRL5 EPB_LOC(7, 0, 0x15)
-#define RXHSCTRL0(chan) EPB_LOC(chan, 6, 0)
-#define VCDL_DAC2(chan) EPB_LOC(chan, 6, 5)
-#define VCDL_CTRL0(chan) EPB_LOC(chan, 6, 6)
-#define VCDL_CTRL2(chan) EPB_LOC(chan, 6, 8)
-#define START_EQ2(chan) EPB_LOC(chan, 7, 0x28)
-
-static int ibsd_sto_noisy(struct ipath_devdata *dd, int loc, int val, int mask)
-{
-	int ret = -1;
-	int sloc; /* shifted loc, for messages */
-
-	loc |= (1U << EPB_IB_QUAD0_CS_SHF);
-	sloc = loc >> EPB_ADDR_SHF;
-
-	ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, val, mask);
-	if (ret < 0)
-		ipath_dev_err(dd, "Write failed: elt %d,"
-			" addr 0x%X, chnl %d, val 0x%02X, mask 0x%02X\n",
-			(sloc & 0xF), (sloc >> 9) & 0x3f, (sloc >> 4) & 7,
-			val & 0xFF, mask & 0xFF);
-	return ret;
-}
-
-/*
- * Repeat a "store" across all channels of the IB SerDes.
- * Although nominally it inherits the "read value" of the last
- * channel it modified, the only really useful return is <0 for
- * failure, >= 0 for success. The parameter 'loc' is assumed to
- * be the location for the channel-0 copy of the register to
- * be modified.
- */
-static int ibsd_mod_allchnls(struct ipath_devdata *dd, int loc, int val,
-	int mask)
-{
-	int ret = -1;
-	int chnl;
-
-	if (loc & EPB_GLOBAL_WR) {
-		/*
-		 * Our caller has assured us that we can set all four
-		 * channels at once. Trust that. If mask is not 0xFF,
-		 * we will read the _specified_ channel for our starting
-		 * value.
-		 */
-		loc |= (1U << EPB_IB_QUAD0_CS_SHF);
-		chnl = (loc >> (4 + EPB_ADDR_SHF)) & 7;
-		if (mask != 0xFF) {
-			ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
-				loc & ~EPB_GLOBAL_WR, 0, 0);
-			if (ret < 0) {
-				int sloc = loc >> EPB_ADDR_SHF;
-				ipath_dev_err(dd, "pre-read failed: elt %d,"
-					" addr 0x%X, chnl %d\n", (sloc & 0xF),
-					(sloc >> 9) & 0x3f, chnl);
-				return ret;
-			}
-			val = (ret & ~mask) | (val & mask);
-		}
-		loc &=  ~(7 << (4+EPB_ADDR_SHF));
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, val, 0xFF);
-		if (ret < 0) {
-			int sloc = loc >> EPB_ADDR_SHF;
-			ipath_dev_err(dd, "Global WR failed: elt %d,"
-				" addr 0x%X, val %02X\n",
-				(sloc & 0xF), (sloc >> 9) & 0x3f, val);
-		}
-		return ret;
-	}
-	/* Clear "channel" and set CS so we can simply iterate */
-	loc &=  ~(7 << (4+EPB_ADDR_SHF));
-	loc |= (1U << EPB_IB_QUAD0_CS_SHF);
-	for (chnl = 0; chnl < 4; ++chnl) {
-		int cloc;
-		cloc = loc | (chnl << (4+EPB_ADDR_SHF));
-		ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, cloc, val, mask);
-		if (ret < 0) {
-			int sloc = loc >> EPB_ADDR_SHF;
-			ipath_dev_err(dd, "Write failed: elt %d,"
-				" addr 0x%X, chnl %d, val 0x%02X,"
-				" mask 0x%02X\n",
-				(sloc & 0xF), (sloc >> 9) & 0x3f, chnl,
-				val & 0xFF, mask & 0xFF);
-			break;
-		}
-	}
-	return ret;
-}
-
-/*
- * Set the Tx values normally modified by IBC in IB1.2 mode to default
- * values, as gotten from first row of init table.
- */
-static int set_dds_vals(struct ipath_devdata *dd, struct dds_init *ddi)
-{
-	int ret;
-	int idx, reg, data;
-	uint32_t regmap;
-
-	regmap = DDS_REG_MAP;
-	for (idx = 0; idx < NUM_DDS_REGS; ++idx) {
-		reg = (regmap & 0xF);
-		regmap >>= 4;
-		data = ddi->reg_vals[idx];
-		/* Vendor says RMW not needed for these regs, use 0xFF mask */
-		ret = ibsd_mod_allchnls(dd, EPB_LOC(0, 9, reg), data, 0xFF);
-		if (ret < 0)
-			break;
-	}
-	return ret;
-}
-
-/*
- * Set the Rx values normally modified by IBC in IB1.2 mode to default
- * values, as gotten from selected column of init table.
- */
-static int set_rxeq_vals(struct ipath_devdata *dd, int vsel)
-{
-	int ret;
-	int ridx;
-	int cnt = ARRAY_SIZE(rxeq_init_vals);
-
-	for (ridx = 0; ridx < cnt; ++ridx) {
-		int elt, reg, val, loc;
-		elt = rxeq_init_vals[ridx].rdesc & 0xF;
-		reg = rxeq_init_vals[ridx].rdesc >> 4;
-		loc = EPB_LOC(0, elt, reg);
-		val = rxeq_init_vals[ridx].rdata[vsel];
-		/* mask of 0xFF, because hardware does full-byte store. */
-		ret = ibsd_mod_allchnls(dd, loc, val, 0xFF);
-		if (ret < 0)
-			break;
-	}
-	return ret;
-}
-
-/*
- * Set the default values (row 0) for DDR Driver Demphasis.
- * we do this initially and whenever we turn off IB-1.2
- * The "default" values for Rx equalization are also stored to
- * SerDes registers. Formerly (and still default), we used set 2.
- * For experimenting with cables and link-partners, we allow changing
- * that via a module parameter.
- */
-static unsigned ipath_rxeq_set = 2;
-module_param_named(rxeq_default_set, ipath_rxeq_set, uint,
-	S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(rxeq_default_set,
-	"Which set [0..3] of Rx Equalization values is default");
-
-static int ipath_internal_presets(struct ipath_devdata *dd)
-{
-	int ret = 0;
-
-	ret = set_dds_vals(dd, dds_init_vals + DDS_3M);
-
-	if (ret < 0)
-		ipath_dev_err(dd, "Failed to set default DDS values\n");
-	ret = set_rxeq_vals(dd, ipath_rxeq_set & 3);
-	if (ret < 0)
-		ipath_dev_err(dd, "Failed to set default RXEQ values\n");
-	return ret;
-}
-
-int ipath_sd7220_presets(struct ipath_devdata *dd)
-{
-	int ret = 0;
-
-	if (!dd->ipath_presets_needed)
-		return ret;
-	dd->ipath_presets_needed = 0;
-	/* Assert uC reset, so we don't clash with it. */
-	ipath_ibsd_reset(dd, 1);
-	udelay(2);
-	ipath_sd_trimdone_monitor(dd, "link-down");
-
-	ret = ipath_internal_presets(dd);
-return ret;
-}
-
-static int ipath_sd_trimself(struct ipath_devdata *dd, int val)
-{
-	return ibsd_sto_noisy(dd, CMUCTRL5, val, 0xFF);
-}
-
-static int ipath_sd_early(struct ipath_devdata *dd)
-{
-	int ret = -1; /* Default failed */
-	int chnl;
-
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, RXHSCTRL0(chnl), 0xD4, 0xFF);
-		if (ret < 0)
-			goto bail;
-	}
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, VCDL_DAC2(chnl), 0x2D, 0xFF);
-		if (ret < 0)
-			goto bail;
-	}
-	/* more fine-tuning of what will be default */
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, VCDL_CTRL2(chnl), 3, 0xF);
-		if (ret < 0)
-			goto bail;
-	}
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, START_EQ1(chnl), 0x10, 0xFF);
-		if (ret < 0)
-			goto bail;
-	}
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, START_EQ2(chnl), 0x30, 0xFF);
-		if (ret < 0)
-			goto bail;
-	}
-bail:
-	return ret;
-}
-
-#define BACTRL(chnl) EPB_LOC(chnl, 6, 0x0E)
-#define LDOUTCTRL1(chnl) EPB_LOC(chnl, 7, 6)
-#define RXHSSTATUS(chnl) EPB_LOC(chnl, 6, 0xF)
-
-static int ipath_sd_dactrim(struct ipath_devdata *dd)
-{
-	int ret = -1; /* Default failed */
-	int chnl;
-
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, BACTRL(chnl), 0x40, 0xFF);
-		if (ret < 0)
-			goto bail;
-	}
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, LDOUTCTRL1(chnl), 0x04, 0xFF);
-		if (ret < 0)
-			goto bail;
-	}
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, RXHSSTATUS(chnl), 0x04, 0xFF);
-		if (ret < 0)
-			goto bail;
-	}
-	/*
-	 * delay for max possible number of steps, with slop.
-	 * Each step is about 4usec.
-	 */
-	udelay(415);
-	for (chnl = 0; chnl < 4; ++chnl) {
-		ret = ibsd_sto_noisy(dd, LDOUTCTRL1(chnl), 0x00, 0xFF);
-		if (ret < 0)
-			goto bail;
-	}
-bail:
-	return ret;
-}
-
-#define RELOCK_FIRST_MS 3
-#define RXLSPPM(chan) EPB_LOC(chan, 0, 2)
-void ipath_toggle_rclkrls(struct ipath_devdata *dd)
-{
-	int loc = RXLSPPM(0) | EPB_GLOBAL_WR;
-	int ret;
-
-	ret = ibsd_mod_allchnls(dd, loc, 0, 0x80);
-	if (ret < 0)
-		ipath_dev_err(dd, "RCLKRLS failed to clear D7\n");
-	else {
-		udelay(1);
-		ibsd_mod_allchnls(dd, loc, 0x80, 0x80);
-	}
-	/* And again for good measure */
-	udelay(1);
-	ret = ibsd_mod_allchnls(dd, loc, 0, 0x80);
-	if (ret < 0)
-		ipath_dev_err(dd, "RCLKRLS failed to clear D7\n");
-	else {
-		udelay(1);
-		ibsd_mod_allchnls(dd, loc, 0x80, 0x80);
-	}
-	/* Now reset xgxs and IBC to complete the recovery */
-	dd->ipath_f_xgxs_reset(dd);
-}
-
-/*
- * Shut down the timer that polls for relock occasions, if needed
- * this is "hooked" from ipath_7220_quiet_serdes(), which is called
- * just before ipath_shutdown_device() in ipath_driver.c shuts down all
- * the other timers
- */
-void ipath_shutdown_relock_poll(struct ipath_devdata *dd)
-{
-	struct ipath_relock *irp = &dd->ipath_relock_singleton;
-	if (atomic_read(&irp->ipath_relock_timer_active)) {
-		del_timer_sync(&irp->ipath_relock_timer);
-		atomic_set(&irp->ipath_relock_timer_active, 0);
-	}
-}
-
-static unsigned ipath_relock_by_timer = 1;
-module_param_named(relock_by_timer, ipath_relock_by_timer, uint,
-	S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(relock_by_timer, "Allow relock attempt if link not up");
-
-static void ipath_run_relock(unsigned long opaque)
-{
-	struct ipath_devdata *dd = (struct ipath_devdata *)opaque;
-	struct ipath_relock *irp = &dd->ipath_relock_singleton;
-	u64 val, ltstate;
-
-	if (!(dd->ipath_flags & IPATH_INITTED)) {
-		/* Not yet up, just reenable the timer for later */
-		irp->ipath_relock_interval = HZ;
-		mod_timer(&irp->ipath_relock_timer, jiffies + HZ);
-		return;
-	}
-
-	/*
-	 * Check link-training state for "stuck" state.
-	 * if found, try relock and schedule another try at
-	 * exponentially growing delay, maxed at one second.
-	 * if not stuck, our work is done.
-	 */
-	val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
-	ltstate = ipath_ib_linktrstate(dd, val);
-
-	if (ltstate <= INFINIPATH_IBCS_LT_STATE_CFGWAITRMT
-		&& ltstate != INFINIPATH_IBCS_LT_STATE_LINKUP) {
-		int timeoff;
-		/* Not up yet. Try again, if allowed by module-param */
-		if (ipath_relock_by_timer) {
-			if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)
-				ipath_cdbg(VERBOSE, "Skip RELOCK in AUTONEG\n");
-			else if (!(dd->ipath_flags & IPATH_IB_LINK_DISABLED)) {
-				ipath_cdbg(VERBOSE, "RELOCK\n");
-				ipath_toggle_rclkrls(dd);
-			}
-		}
-		/* re-set timer for next check */
-		timeoff = irp->ipath_relock_interval << 1;
-		if (timeoff > HZ)
-			timeoff = HZ;
-		irp->ipath_relock_interval = timeoff;
-
-		mod_timer(&irp->ipath_relock_timer, jiffies + timeoff);
-	} else {
-		/* Up, so no more need to check so often */
-		mod_timer(&irp->ipath_relock_timer, jiffies + HZ);
-	}
-}
-
-void ipath_set_relock_poll(struct ipath_devdata *dd, int ibup)
-{
-	struct ipath_relock *irp = &dd->ipath_relock_singleton;
-
-	if (ibup > 0) {
-		/* we are now up, so relax timer to 1 second interval */
-		if (atomic_read(&irp->ipath_relock_timer_active))
-			mod_timer(&irp->ipath_relock_timer, jiffies + HZ);
-	} else {
-		/* Transition to down, (re-)set timer to short interval. */
-		int timeout;
-		timeout = (HZ * ((ibup == -1) ? 1000 : RELOCK_FIRST_MS))/1000;
-		if (timeout == 0)
-			timeout = 1;
-		/* If timer has not yet been started, do so. */
-		if (atomic_inc_return(&irp->ipath_relock_timer_active) == 1) {
-			init_timer(&irp->ipath_relock_timer);
-			irp->ipath_relock_timer.function = ipath_run_relock;
-			irp->ipath_relock_timer.data = (unsigned long) dd;
-			irp->ipath_relock_interval = timeout;
-			irp->ipath_relock_timer.expires = jiffies + timeout;
-			add_timer(&irp->ipath_relock_timer);
-		} else {
-			irp->ipath_relock_interval = timeout;
-			mod_timer(&irp->ipath_relock_timer, jiffies + timeout);
-			atomic_dec(&irp->ipath_relock_timer_active);
-		}
-	}
-}
-
diff --git a/drivers/infiniband/hw/ipath/ipath_sd7220_img.c b/drivers/infiniband/hw/ipath/ipath_sd7220_img.c
deleted file mode 100644
index 5ef59da9270..00000000000
--- a/drivers/infiniband/hw/ipath/ipath_sd7220_img.c
+++ /dev/null
@@ -1,1082 +0,0 @@
-/*
- * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * This file contains the memory image from the vendor, to be copied into
- * the IB SERDES of the IBA7220 during initialization.
- * The file also includes the two functions which use this image.
- */
-#include <linux/pci.h>
-#include <linux/delay.h>
-
-#include "ipath_kernel.h"
-#include "ipath_registers.h"
-#include "ipath_7220.h"
-
-static unsigned char ipath_sd7220_ib_img[] = {
-/*0000*/0x02, 0x0A, 0x29, 0x02, 0x0A, 0x87, 0xE5, 0xE6,
-	0x30, 0xE6, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F,
-/*0010*/0x00, 0xE5, 0xE2, 0x30, 0xE4, 0x04, 0x7E, 0x01,
-	0x80, 0x02, 0x7E, 0x00, 0xEE, 0x5F, 0x60, 0x08,
-/*0020*/0x53, 0xF9, 0xF7, 0xE4, 0xF5, 0xFE, 0x80, 0x08,
-	0x7F, 0x0A, 0x12, 0x17, 0x31, 0x12, 0x0E, 0xA2,
-/*0030*/0x75, 0xFC, 0x08, 0xE4, 0xF5, 0xFD, 0xE5, 0xE7,
-	0x20, 0xE7, 0x03, 0x43, 0xF9, 0x08, 0x22, 0x00,
-/*0040*/0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x75,
-	0x51, 0x01, 0xE4, 0xF5, 0x52, 0xF5, 0x53, 0xF5,
-/*0050*/0x52, 0xF5, 0x7E, 0x7F, 0x04, 0x02, 0x04, 0x38,
-	0xC2, 0x36, 0x05, 0x52, 0xE5, 0x52, 0xD3, 0x94,
-/*0060*/0x0C, 0x40, 0x05, 0x75, 0x52, 0x01, 0xD2, 0x36,
-	0x90, 0x07, 0x0C, 0x74, 0x07, 0xF0, 0xA3, 0x74,
-/*0070*/0xFF, 0xF0, 0xE4, 0xF5, 0x0C, 0xA3, 0xF0, 0x90,
-	0x07, 0x14, 0xF0, 0xA3, 0xF0, 0x75, 0x0B, 0x20,
-/*0080*/0xF5, 0x09, 0xE4, 0xF5, 0x08, 0xE5, 0x08, 0xD3,
-	0x94, 0x30, 0x40, 0x03, 0x02, 0x04, 0x04, 0x12,
-/*0090*/0x00, 0x06, 0x15, 0x0B, 0xE5, 0x08, 0x70, 0x04,
-	0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x09,
-/*00A0*/0x70, 0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00,
-	0xEE, 0x5F, 0x60, 0x05, 0x12, 0x18, 0x71, 0xD2,
-/*00B0*/0x35, 0x53, 0xE1, 0xF7, 0xE5, 0x08, 0x45, 0x09,
-	0xFF, 0xE5, 0x0B, 0x25, 0xE0, 0x25, 0xE0, 0x24,
-/*00C0*/0x83, 0xF5, 0x82, 0xE4, 0x34, 0x07, 0xF5, 0x83,
-	0xEF, 0xF0, 0x85, 0xE2, 0x20, 0xE5, 0x52, 0xD3,
-/*00D0*/0x94, 0x01, 0x40, 0x0D, 0x12, 0x19, 0xF3, 0xE0,
-	0x54, 0xA0, 0x64, 0x40, 0x70, 0x03, 0x02, 0x03,
-/*00E0*/0xFB, 0x53, 0xF9, 0xF8, 0x90, 0x94, 0x70, 0xE4,
-	0xF0, 0xE0, 0xF5, 0x10, 0xAF, 0x09, 0x12, 0x1E,
-/*00F0*/0xB3, 0xAF, 0x08, 0xEF, 0x44, 0x08, 0xF5, 0x82,
-	0x75, 0x83, 0x80, 0xE0, 0xF5, 0x29, 0xEF, 0x44,
-/*0100*/0x07, 0x12, 0x1A, 0x3C, 0xF5, 0x22, 0x54, 0x40,
-	0xD3, 0x94, 0x00, 0x40, 0x1E, 0xE5, 0x29, 0x54,
-/*0110*/0xF0, 0x70, 0x21, 0x12, 0x19, 0xF3, 0xE0, 0x44,
-	0x80, 0xF0, 0xE5, 0x22, 0x54, 0x30, 0x65, 0x08,
-/*0120*/0x70, 0x09, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xBF,
-	0xF0, 0x80, 0x09, 0x12, 0x19, 0xF3, 0x74, 0x40,
-/*0130*/0xF0, 0x02, 0x03, 0xFB, 0x12, 0x1A, 0x12, 0x75,
-	0x83, 0xAE, 0x74, 0xFF, 0xF0, 0xAF, 0x08, 0x7E,
-/*0140*/0x00, 0xEF, 0x44, 0x07, 0xF5, 0x82, 0xE0, 0xFD,
-	0xE5, 0x0B, 0x25, 0xE0, 0x25, 0xE0, 0x24, 0x81,
-/*0150*/0xF5, 0x82, 0xE4, 0x34, 0x07, 0xF5, 0x83, 0xED,
-	0xF0, 0x90, 0x07, 0x0E, 0xE0, 0x04, 0xF0, 0xEF,
-/*0160*/0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0x98, 0xE0,
-	0xF5, 0x28, 0x12, 0x1A, 0x23, 0x40, 0x0C, 0x12,
-/*0170*/0x19, 0xF3, 0xE0, 0x44, 0x01, 0x12, 0x1A, 0x32,
-	0x02, 0x03, 0xF6, 0xAF, 0x08, 0x7E, 0x00, 0x74,
-/*0180*/0x80, 0xCD, 0xEF, 0xCD, 0x8D, 0x82, 0xF5, 0x83,
-	0xE0, 0x30, 0xE0, 0x0A, 0x12, 0x19, 0xF3, 0xE0,
-/*0190*/0x44, 0x20, 0xF0, 0x02, 0x03, 0xFB, 0x12, 0x19,
-	0xF3, 0xE0, 0x54, 0xDF, 0xF0, 0xEE, 0x44, 0xAE,
-/*01A0*/0x12, 0x1A, 0x43, 0x30, 0xE4, 0x03, 0x02, 0x03,
-	0xFB, 0x74, 0x9E, 0x12, 0x1A, 0x05, 0x20, 0xE0,
-/*01B0*/0x03, 0x02, 0x03, 0xFB, 0x8F, 0x82, 0x8E, 0x83,
-	0xE0, 0x20, 0xE0, 0x03, 0x02, 0x03, 0xFB, 0x12,
-/*01C0*/0x19, 0xF3, 0xE0, 0x44, 0x10, 0xF0, 0xE5, 0xE3,
-	0x20, 0xE7, 0x08, 0xE5, 0x08, 0x12, 0x1A, 0x3A,
-/*01D0*/0x44, 0x04, 0xF0, 0xAF, 0x08, 0x7E, 0x00, 0xEF,
-	0x12, 0x1A, 0x3A, 0x20, 0xE2, 0x34, 0x12, 0x19,
-/*01E0*/0xF3, 0xE0, 0x44, 0x08, 0xF0, 0xE5, 0xE4, 0x30,
-	0xE6, 0x04, 0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00,
-/*01F0*/0xE5, 0x7E, 0xC3, 0x94, 0x04, 0x50, 0x04, 0x7C,
-	0x01, 0x80, 0x02, 0x7C, 0x00, 0xEC, 0x4D, 0x60,
-/*0200*/0x05, 0xC2, 0x35, 0x02, 0x03, 0xFB, 0xEE, 0x44,
-	0xD2, 0x12, 0x1A, 0x43, 0x44, 0x40, 0xF0, 0x02,
-/*0210*/0x03, 0xFB, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xF7,
-	0xF0, 0x12, 0x1A, 0x12, 0x75, 0x83, 0xD2, 0xE0,
-/*0220*/0x54, 0xBF, 0xF0, 0x90, 0x07, 0x14, 0xE0, 0x04,
-	0xF0, 0xE5, 0x7E, 0x70, 0x03, 0x75, 0x7E, 0x01,
-/*0230*/0xAF, 0x08, 0x7E, 0x00, 0x12, 0x1A, 0x23, 0x40,
-	0x12, 0x12, 0x19, 0xF3, 0xE0, 0x44, 0x01, 0x12,
-/*0240*/0x19, 0xF2, 0xE0, 0x54, 0x02, 0x12, 0x1A, 0x32,
-	0x02, 0x03, 0xFB, 0x12, 0x19, 0xF3, 0xE0, 0x44,
-/*0250*/0x02, 0x12, 0x19, 0xF2, 0xE0, 0x54, 0xFE, 0xF0,
-	0xC2, 0x35, 0xEE, 0x44, 0x8A, 0x8F, 0x82, 0xF5,
-/*0260*/0x83, 0xE0, 0xF5, 0x17, 0x54, 0x8F, 0x44, 0x40,
-	0xF0, 0x74, 0x90, 0xFC, 0xE5, 0x08, 0x44, 0x07,
-/*0270*/0xFD, 0xF5, 0x82, 0x8C, 0x83, 0xE0, 0x54, 0x3F,
-	0x90, 0x07, 0x02, 0xF0, 0xE0, 0x54, 0xC0, 0x8D,
-/*0280*/0x82, 0x8C, 0x83, 0xF0, 0x74, 0x92, 0x12, 0x1A,
-	0x05, 0x90, 0x07, 0x03, 0x12, 0x1A, 0x19, 0x74,
-/*0290*/0x82, 0x12, 0x1A, 0x05, 0x90, 0x07, 0x04, 0x12,
-	0x1A, 0x19, 0x74, 0xB4, 0x12, 0x1A, 0x05, 0x90,
-/*02A0*/0x07, 0x05, 0x12, 0x1A, 0x19, 0x74, 0x94, 0xFE,
-	0xE5, 0x08, 0x44, 0x06, 0x12, 0x1A, 0x0A, 0xF5,
-/*02B0*/0x10, 0x30, 0xE0, 0x04, 0xD2, 0x37, 0x80, 0x02,
-	0xC2, 0x37, 0xE5, 0x10, 0x54, 0x7F, 0x8F, 0x82,
-/*02C0*/0x8E, 0x83, 0xF0, 0x30, 0x44, 0x30, 0x12, 0x1A,
-	0x03, 0x54, 0x80, 0xD3, 0x94, 0x00, 0x40, 0x04,
-/*02D0*/0xD2, 0x39, 0x80, 0x02, 0xC2, 0x39, 0x8F, 0x82,
-	0x8E, 0x83, 0xE0, 0x44, 0x80, 0xF0, 0x12, 0x1A,
-/*02E0*/0x03, 0x54, 0x40, 0xD3, 0x94, 0x00, 0x40, 0x04,
-	0xD2, 0x3A, 0x80, 0x02, 0xC2, 0x3A, 0x8F, 0x82,
-/*02F0*/0x8E, 0x83, 0xE0, 0x44, 0x40, 0xF0, 0x74, 0x92,
-	0xFE, 0xE5, 0x08, 0x44, 0x06, 0x12, 0x1A, 0x0A,
-/*0300*/0x30, 0xE7, 0x04, 0xD2, 0x38, 0x80, 0x02, 0xC2,
-	0x38, 0x8F, 0x82, 0x8E, 0x83, 0xE0, 0x54, 0x7F,
-/*0310*/0xF0, 0x12, 0x1E, 0x46, 0xE4, 0xF5, 0x0A, 0x20,
-	0x03, 0x02, 0x80, 0x03, 0x30, 0x43, 0x03, 0x12,
-/*0320*/0x19, 0x95, 0x20, 0x02, 0x02, 0x80, 0x03, 0x30,
-	0x42, 0x03, 0x12, 0x0C, 0x8F, 0x30, 0x30, 0x06,
-/*0330*/0x12, 0x19, 0x95, 0x12, 0x0C, 0x8F, 0x12, 0x0D,
-	0x47, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xFB, 0xF0,
-/*0340*/0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40, 0x46, 0x43,
-	0xE1, 0x08, 0x12, 0x19, 0xF3, 0xE0, 0x44, 0x04,
-/*0350*/0xF0, 0xE5, 0xE4, 0x20, 0xE7, 0x2A, 0x12, 0x1A,
-	0x12, 0x75, 0x83, 0xD2, 0xE0, 0x54, 0x08, 0xD3,
-/*0360*/0x94, 0x00, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
-	0x7F, 0x00, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40,
-/*0370*/0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF,
-	0x5E, 0x60, 0x05, 0x12, 0x1D, 0xD7, 0x80, 0x17,
-/*0380*/0x12, 0x1A, 0x12, 0x75, 0x83, 0xD2, 0xE0, 0x44,
-	0x08, 0xF0, 0x02, 0x03, 0xFB, 0x12, 0x1A, 0x12,
-/*0390*/0x75, 0x83, 0xD2, 0xE0, 0x54, 0xF7, 0xF0, 0x12,
-	0x1E, 0x46, 0x7F, 0x08, 0x12, 0x17, 0x31, 0x74,
-/*03A0*/0x8E, 0xFE, 0x12, 0x1A, 0x12, 0x8E, 0x83, 0xE0,
-	0xF5, 0x10, 0x54, 0xFE, 0xF0, 0xE5, 0x10, 0x44,
-/*03B0*/0x01, 0xFF, 0xE5, 0x08, 0xFD, 0xED, 0x44, 0x07,
-	0xF5, 0x82, 0xEF, 0xF0, 0xE5, 0x10, 0x54, 0xFE,
-/*03C0*/0xFF, 0xED, 0x44, 0x07, 0xF5, 0x82, 0xEF, 0x12,
-	0x1A, 0x11, 0x75, 0x83, 0x86, 0xE0, 0x44, 0x10,
-/*03D0*/0x12, 0x1A, 0x11, 0xE0, 0x44, 0x10, 0xF0, 0x12,
-	0x19, 0xF3, 0xE0, 0x54, 0xFD, 0x44, 0x01, 0xFF,
-/*03E0*/0x12, 0x19, 0xF3, 0xEF, 0x12, 0x1A, 0x32, 0x30,
-	0x32, 0x0C, 0xE5, 0x08, 0x44, 0x08, 0xF5, 0x82,
-/*03F0*/0x75, 0x83, 0x82, 0x74, 0x05, 0xF0, 0xAF, 0x0B,
-	0x12, 0x18, 0xD7, 0x74, 0x10, 0x25, 0x08, 0xF5,
-/*0400*/0x08, 0x02, 0x00, 0x85, 0x05, 0x09, 0xE5, 0x09,
-	0xD3, 0x94, 0x07, 0x50, 0x03, 0x02, 0x00, 0x82,
-/*0410*/0xE5, 0x7E, 0xD3, 0x94, 0x00, 0x40, 0x04, 0x7F,
-	0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x7E, 0xC3,
-/*0420*/0x94, 0xFA, 0x50, 0x04, 0x7E, 0x01, 0x80, 0x02,
-	0x7E, 0x00, 0xEE, 0x5F, 0x60, 0x02, 0x05, 0x7E,
-/*0430*/0x30, 0x35, 0x0B, 0x43, 0xE1, 0x01, 0x7F, 0x09,
-	0x12, 0x17, 0x31, 0x02, 0x00, 0x58, 0x53, 0xE1,
-/*0440*/0xFE, 0x02, 0x00, 0x58, 0x8E, 0x6A, 0x8F, 0x6B,
-	0x8C, 0x6C, 0x8D, 0x6D, 0x75, 0x6E, 0x01, 0x75,
-/*0450*/0x6F, 0x01, 0x75, 0x70, 0x01, 0xE4, 0xF5, 0x73,
-	0xF5, 0x74, 0xF5, 0x75, 0x90, 0x07, 0x2F, 0xF0,
-/*0460*/0xF5, 0x3C, 0xF5, 0x3E, 0xF5, 0x46, 0xF5, 0x47,
-	0xF5, 0x3D, 0xF5, 0x3F, 0xF5, 0x6F, 0xE5, 0x6F,
-/*0470*/0x70, 0x0F, 0xE5, 0x6B, 0x45, 0x6A, 0x12, 0x07,
-	0x2A, 0x75, 0x83, 0x80, 0x74, 0x3A, 0xF0, 0x80,
-/*0480*/0x09, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x80, 0x74,
-	0x1A, 0xF0, 0xE4, 0xF5, 0x6E, 0xC3, 0x74, 0x3F,
-/*0490*/0x95, 0x6E, 0xFF, 0x12, 0x08, 0x65, 0x75, 0x83,
-	0x82, 0xEF, 0xF0, 0x12, 0x1A, 0x4D, 0x12, 0x08,
-/*04A0*/0xC6, 0xE5, 0x33, 0xF0, 0x12, 0x08, 0xFA, 0x12,
-	0x08, 0xB1, 0x40, 0xE1, 0xE5, 0x6F, 0x70, 0x0B,
-/*04B0*/0x12, 0x07, 0x2A, 0x75, 0x83, 0x80, 0x74, 0x36,
-	0xF0, 0x80, 0x09, 0x12, 0x07, 0x2A, 0x75, 0x83,
-/*04C0*/0x80, 0x74, 0x16, 0xF0, 0x75, 0x6E, 0x01, 0x12,
-	0x07, 0x2A, 0x75, 0x83, 0xB4, 0xE5, 0x6E, 0xF0,
-/*04D0*/0x12, 0x1A, 0x4D, 0x74, 0x3F, 0x25, 0x6E, 0xF5,
-	0x82, 0xE4, 0x34, 0x00, 0xF5, 0x83, 0xE5, 0x33,
-/*04E0*/0xF0, 0x74, 0xBF, 0x25, 0x6E, 0xF5, 0x82, 0xE4,
-	0x34, 0x00, 0x12, 0x08, 0xB1, 0x40, 0xD8, 0xE4,
-/*04F0*/0xF5, 0x70, 0xF5, 0x46, 0xF5, 0x47, 0xF5, 0x6E,
-	0x12, 0x08, 0xFA, 0xF5, 0x83, 0xE0, 0xFE, 0x12,
-/*0500*/0x08, 0xC6, 0xE0, 0x7C, 0x00, 0x24, 0x00, 0xFF,
-	0xEC, 0x3E, 0xFE, 0xAD, 0x3B, 0xD3, 0xEF, 0x9D,
-/*0510*/0xEE, 0x9C, 0x50, 0x04, 0x7B, 0x01, 0x80, 0x02,
-	0x7B, 0x00, 0xE5, 0x70, 0x70, 0x04, 0x7A, 0x01,
-/*0520*/0x80, 0x02, 0x7A, 0x00, 0xEB, 0x5A, 0x60, 0x06,
-	0x85, 0x6E, 0x46, 0x75, 0x70, 0x01, 0xD3, 0xEF,
-/*0530*/0x9D, 0xEE, 0x9C, 0x50, 0x04, 0x7F, 0x01, 0x80,
-	0x02, 0x7F, 0x00, 0xE5, 0x70, 0xB4, 0x01, 0x04,
-/*0540*/0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF, 0x5E,
-	0x60, 0x03, 0x85, 0x6E, 0x47, 0x05, 0x6E, 0xE5,
-/*0550*/0x6E, 0x64, 0x7F, 0x70, 0xA3, 0xE5, 0x46, 0x60,
-	0x05, 0xE5, 0x47, 0xB4, 0x7E, 0x03, 0x85, 0x46,
-/*0560*/0x47, 0xE5, 0x6F, 0x70, 0x08, 0x85, 0x46, 0x76,
-	0x85, 0x47, 0x77, 0x80, 0x0E, 0xC3, 0x74, 0x7F,
-/*0570*/0x95, 0x46, 0xF5, 0x78, 0xC3, 0x74, 0x7F, 0x95,
-	0x47, 0xF5, 0x79, 0xE5, 0x6F, 0x70, 0x37, 0xE5,
-/*0580*/0x46, 0x65, 0x47, 0x70, 0x0C, 0x75, 0x73, 0x01,
-	0x75, 0x74, 0x01, 0xF5, 0x3C, 0xF5, 0x3D, 0x80,
-/*0590*/0x35, 0xE4, 0xF5, 0x4E, 0xC3, 0xE5, 0x47, 0x95,
-	0x46, 0xF5, 0x3C, 0xC3, 0x13, 0xF5, 0x71, 0x25,
-/*05A0*/0x46, 0xF5, 0x72, 0xC3, 0x94, 0x3F, 0x40, 0x05,
-	0xE4, 0xF5, 0x3D, 0x80, 0x40, 0xC3, 0x74, 0x3F,
-/*05B0*/0x95, 0x72, 0xF5, 0x3D, 0x80, 0x37, 0xE5, 0x46,
-	0x65, 0x47, 0x70, 0x0F, 0x75, 0x73, 0x01, 0x75,
-/*05C0*/0x75, 0x01, 0xF5, 0x3E, 0xF5, 0x3F, 0x75, 0x4E,
-	0x01, 0x80, 0x22, 0xE4, 0xF5, 0x4E, 0xC3, 0xE5,
-/*05D0*/0x47, 0x95, 0x46, 0xF5, 0x3E, 0xC3, 0x13, 0xF5,
-	0x71, 0x25, 0x46, 0xF5, 0x72, 0xD3, 0x94, 0x3F,
-/*05E0*/0x50, 0x05, 0xE4, 0xF5, 0x3F, 0x80, 0x06, 0xE5,
-	0x72, 0x24, 0xC1, 0xF5, 0x3F, 0x05, 0x6F, 0xE5,
-/*05F0*/0x6F, 0xC3, 0x94, 0x02, 0x50, 0x03, 0x02, 0x04,
-	0x6E, 0xE5, 0x6D, 0x45, 0x6C, 0x70, 0x02, 0x80,
-/*0600*/0x04, 0xE5, 0x74, 0x45, 0x75, 0x90, 0x07, 0x2F,
-	0xF0, 0x7F, 0x01, 0xE5, 0x3E, 0x60, 0x04, 0xE5,
-/*0610*/0x3C, 0x70, 0x14, 0xE4, 0xF5, 0x3C, 0xF5, 0x3D,
-	0xF5, 0x3E, 0xF5, 0x3F, 0x12, 0x08, 0xD2, 0x70,
-/*0620*/0x04, 0xF0, 0x02, 0x06, 0xA4, 0x80, 0x7A, 0xE5,
-	0x3C, 0xC3, 0x95, 0x3E, 0x40, 0x07, 0xE5, 0x3C,
-/*0630*/0x95, 0x3E, 0xFF, 0x80, 0x06, 0xC3, 0xE5, 0x3E,
-	0x95, 0x3C, 0xFF, 0xE5, 0x76, 0xD3, 0x95, 0x79,
-/*0640*/0x40, 0x05, 0x85, 0x76, 0x7A, 0x80, 0x03, 0x85,
-	0x79, 0x7A, 0xE5, 0x77, 0xC3, 0x95, 0x78, 0x50,
-/*0650*/0x05, 0x85, 0x77, 0x7B, 0x80, 0x03, 0x85, 0x78,
-	0x7B, 0xE5, 0x7B, 0xD3, 0x95, 0x7A, 0x40, 0x30,
-/*0660*/0xE5, 0x7B, 0x95, 0x7A, 0xF5, 0x3C, 0xF5, 0x3E,
-	0xC3, 0xE5, 0x7B, 0x95, 0x7A, 0x90, 0x07, 0x19,
-/*0670*/0xF0, 0xE5, 0x3C, 0xC3, 0x13, 0xF5, 0x71, 0x25,
-	0x7A, 0xF5, 0x72, 0xC3, 0x94, 0x3F, 0x40, 0x05,
-/*0680*/0xE4, 0xF5, 0x3D, 0x80, 0x1F, 0xC3, 0x74, 0x3F,
-	0x95, 0x72, 0xF5, 0x3D, 0xF5, 0x3F, 0x80, 0x14,
-/*0690*/0xE4, 0xF5, 0x3C, 0xF5, 0x3E, 0x90, 0x07, 0x19,
-	0xF0, 0x12, 0x08, 0xD2, 0x70, 0x03, 0xF0, 0x80,
-/*06A0*/0x03, 0x74, 0x01, 0xF0, 0x12, 0x08, 0x65, 0x75,
-	0x83, 0xD0, 0xE0, 0x54, 0x0F, 0xFE, 0xAD, 0x3C,
-/*06B0*/0x70, 0x02, 0x7E, 0x07, 0xBE, 0x0F, 0x02, 0x7E,
-	0x80, 0xEE, 0xFB, 0xEF, 0xD3, 0x9B, 0x74, 0x80,
-/*06C0*/0xF8, 0x98, 0x40, 0x1F, 0xE4, 0xF5, 0x3C, 0xF5,
-	0x3E, 0x12, 0x08, 0xD2, 0x70, 0x03, 0xF0, 0x80,
-/*06D0*/0x12, 0x74, 0x01, 0xF0, 0xE5, 0x08, 0xFB, 0xEB,
-	0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xD2, 0xE0,
-/*06E0*/0x44, 0x10, 0xF0, 0xE5, 0x08, 0xFB, 0xEB, 0x44,
-	0x09, 0xF5, 0x82, 0x75, 0x83, 0x9E, 0xED, 0xF0,
-/*06F0*/0xEB, 0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xCA,
-	0xED, 0xF0, 0x12, 0x08, 0x65, 0x75, 0x83, 0xCC,
-/*0700*/0xEF, 0xF0, 0x22, 0xE5, 0x08, 0x44, 0x07, 0xF5,
-	0x82, 0x75, 0x83, 0xBC, 0xE0, 0x54, 0xF0, 0xF0,
-/*0710*/0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82, 0x75, 0x83,
-	0xBE, 0xE0, 0x54, 0xF0, 0xF0, 0xE5, 0x08, 0x44,
-/*0720*/0x07, 0xF5, 0x82, 0x75, 0x83, 0xC0, 0xE0, 0x54,
-	0xF0, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82,
-/*0730*/0x22, 0xF0, 0x90, 0x07, 0x28, 0xE0, 0xFE, 0xA3,
-	0xE0, 0xF5, 0x82, 0x8E, 0x83, 0x22, 0x85, 0x42,
-/*0740*/0x42, 0x85, 0x41, 0x41, 0x85, 0x40, 0x40, 0x74,
-	0xC0, 0x2F, 0xF5, 0x82, 0x74, 0x02, 0x3E, 0xF5,
-/*0750*/0x83, 0xE5, 0x42, 0xF0, 0x74, 0xE0, 0x2F, 0xF5,
-	0x82, 0x74, 0x02, 0x3E, 0xF5, 0x83, 0x22, 0xE5,
-/*0760*/0x42, 0x29, 0xFD, 0xE4, 0x33, 0xFC, 0xE5, 0x3C,
-	0xC3, 0x9D, 0xEC, 0x64, 0x80, 0xF8, 0x74, 0x80,
-/*0770*/0x98, 0x22, 0xF5, 0x83, 0xE0, 0x90, 0x07, 0x22,
-	0x54, 0x1F, 0xFD, 0xE0, 0xFA, 0xA3, 0xE0, 0xF5,
-/*0780*/0x82, 0x8A, 0x83, 0xED, 0xF0, 0x22, 0x90, 0x07,
-	0x22, 0xE0, 0xFC, 0xA3, 0xE0, 0xF5, 0x82, 0x8C,
-/*0790*/0x83, 0x22, 0x90, 0x07, 0x24, 0xFF, 0xED, 0x44,
-	0x07, 0xCF, 0xF0, 0xA3, 0xEF, 0xF0, 0x22, 0x85,
-/*07A0*/0x38, 0x38, 0x85, 0x39, 0x39, 0x85, 0x3A, 0x3A,
-	0x74, 0xC0, 0x2F, 0xF5, 0x82, 0x74, 0x02, 0x3E,
-/*07B0*/0xF5, 0x83, 0x22, 0x90, 0x07, 0x26, 0xFF, 0xED,
-	0x44, 0x07, 0xCF, 0xF0, 0xA3, 0xEF, 0xF0, 0x22,
-/*07C0*/0xF0, 0x74, 0xA0, 0x2F, 0xF5, 0x82, 0x74, 0x02,
-	0x3E, 0xF5, 0x83, 0x22, 0x74, 0xC0, 0x25, 0x11,
-/*07D0*/0xF5, 0x82, 0xE4, 0x34, 0x01, 0xF5, 0x83, 0x22,
-	0x74, 0x00, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
-/*07E0*/0x02, 0xF5, 0x83, 0x22, 0x74, 0x60, 0x25, 0x11,
-	0xF5, 0x82, 0xE4, 0x34, 0x03, 0xF5, 0x83, 0x22,
-/*07F0*/0x74, 0x80, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
-	0x03, 0xF5, 0x83, 0x22, 0x74, 0xE0, 0x25, 0x11,
-/*0800*/0xF5, 0x82, 0xE4, 0x34, 0x03, 0xF5, 0x83, 0x22,
-	0x74, 0x40, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
-/*0810*/0x06, 0xF5, 0x83, 0x22, 0x74, 0x80, 0x2F, 0xF5,
-	0x82, 0x74, 0x02, 0x3E, 0xF5, 0x83, 0x22, 0xAF,
-/*0820*/0x08, 0x7E, 0x00, 0xEF, 0x44, 0x07, 0xF5, 0x82,
-	0x22, 0xF5, 0x83, 0xE5, 0x82, 0x44, 0x07, 0xF5,
-/*0830*/0x82, 0xE5, 0x40, 0xF0, 0x22, 0x74, 0x40, 0x25,
-	0x11, 0xF5, 0x82, 0xE4, 0x34, 0x02, 0xF5, 0x83,
-/*0840*/0x22, 0x74, 0xC0, 0x25, 0x11, 0xF5, 0x82, 0xE4,
-	0x34, 0x03, 0xF5, 0x83, 0x22, 0x74, 0x00, 0x25,
-/*0850*/0x11, 0xF5, 0x82, 0xE4, 0x34, 0x06, 0xF5, 0x83,
-	0x22, 0x74, 0x20, 0x25, 0x11, 0xF5, 0x82, 0xE4,
-/*0860*/0x34, 0x06, 0xF5, 0x83, 0x22, 0xE5, 0x08, 0xFD,
-	0xED, 0x44, 0x07, 0xF5, 0x82, 0x22, 0xE5, 0x41,
-/*0870*/0xF0, 0xE5, 0x65, 0x64, 0x01, 0x45, 0x64, 0x22,
-	0x7E, 0x00, 0xFB, 0x7A, 0x00, 0xFD, 0x7C, 0x00,
-/*0880*/0x22, 0x74, 0x20, 0x25, 0x11, 0xF5, 0x82, 0xE4,
-	0x34, 0x02, 0x22, 0x74, 0xA0, 0x25, 0x11, 0xF5,
-/*0890*/0x82, 0xE4, 0x34, 0x03, 0x22, 0x85, 0x3E, 0x42,
-	0x85, 0x3F, 0x41, 0x8F, 0x40, 0x22, 0x85, 0x3C,
-/*08A0*/0x42, 0x85, 0x3D, 0x41, 0x8F, 0x40, 0x22, 0x75,
-	0x45, 0x3F, 0x90, 0x07, 0x20, 0xE4, 0xF0, 0xA3,
-/*08B0*/0x22, 0xF5, 0x83, 0xE5, 0x32, 0xF0, 0x05, 0x6E,
-	0xE5, 0x6E, 0xC3, 0x94, 0x40, 0x22, 0xF0, 0xE5,
-/*08C0*/0x08, 0x44, 0x06, 0xF5, 0x82, 0x22, 0x74, 0x00,
-	0x25, 0x6E, 0xF5, 0x82, 0xE4, 0x34, 0x00, 0xF5,
-/*08D0*/0x83, 0x22, 0xE5, 0x6D, 0x45, 0x6C, 0x90, 0x07,
-	0x2F, 0x22, 0xE4, 0xF9, 0xE5, 0x3C, 0xD3, 0x95,
-/*08E0*/0x3E, 0x22, 0x74, 0x80, 0x2E, 0xF5, 0x82, 0xE4,
-	0x34, 0x02, 0xF5, 0x83, 0xE0, 0x22, 0x74, 0xA0,
-/*08F0*/0x2E, 0xF5, 0x82, 0xE4, 0x34, 0x02, 0xF5, 0x83,
-	0xE0, 0x22, 0x74, 0x80, 0x25, 0x6E, 0xF5, 0x82,
-/*0900*/0xE4, 0x34, 0x00, 0x22, 0x25, 0x42, 0xFD, 0xE4,
-	0x33, 0xFC, 0x22, 0x85, 0x42, 0x42, 0x85, 0x41,
-/*0910*/0x41, 0x85, 0x40, 0x40, 0x22, 0xED, 0x4C, 0x60,
-	0x03, 0x02, 0x09, 0xE5, 0xEF, 0x4E, 0x70, 0x37,
-/*0920*/0x90, 0x07, 0x26, 0x12, 0x07, 0x89, 0xE0, 0xFD,
-	0x12, 0x07, 0xCC, 0xED, 0xF0, 0x90, 0x07, 0x28,
-/*0930*/0x12, 0x07, 0x89, 0xE0, 0xFD, 0x12, 0x07, 0xD8,
-	0xED, 0xF0, 0x12, 0x07, 0x86, 0xE0, 0x54, 0x1F,
-/*0940*/0xFD, 0x12, 0x08, 0x81, 0xF5, 0x83, 0xED, 0xF0,
-	0x90, 0x07, 0x24, 0x12, 0x07, 0x89, 0xE0, 0x54,
-/*0950*/0x1F, 0xFD, 0x12, 0x08, 0x35, 0xED, 0xF0, 0xEF,
-	0x64, 0x04, 0x4E, 0x70, 0x37, 0x90, 0x07, 0x26,
-/*0960*/0x12, 0x07, 0x89, 0xE0, 0xFD, 0x12, 0x07, 0xE4,
-	0xED, 0xF0, 0x90, 0x07, 0x28, 0x12, 0x07, 0x89,
-/*0970*/0xE0, 0xFD, 0x12, 0x07, 0xF0, 0xED, 0xF0, 0x12,
-	0x07, 0x86, 0xE0, 0x54, 0x1F, 0xFD, 0x12, 0x08,
-/*0980*/0x8B, 0xF5, 0x83, 0xED, 0xF0, 0x90, 0x07, 0x24,
-	0x12, 0x07, 0x89, 0xE0, 0x54, 0x1F, 0xFD, 0x12,
-/*0990*/0x08, 0x41, 0xED, 0xF0, 0xEF, 0x64, 0x01, 0x4E,
-	0x70, 0x04, 0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00,
-/*09A0*/0xEF, 0x64, 0x02, 0x4E, 0x70, 0x04, 0x7F, 0x01,
-	0x80, 0x02, 0x7F, 0x00, 0xEF, 0x4D, 0x60, 0x78,
-/*09B0*/0x90, 0x07, 0x26, 0x12, 0x07, 0x35, 0xE0, 0xFF,
-	0x12, 0x07, 0xFC, 0xEF, 0x12, 0x07, 0x31, 0xE0,
-/*09C0*/0xFF, 0x12, 0x08, 0x08, 0xEF, 0xF0, 0x90, 0x07,
-	0x22, 0x12, 0x07, 0x35, 0xE0, 0x54, 0x1F, 0xFF,
-/*09D0*/0x12, 0x08, 0x4D, 0xEF, 0xF0, 0x90, 0x07, 0x24,
-	0x12, 0x07, 0x35, 0xE0, 0x54, 0x1F, 0xFF, 0x12,
-/*09E0*/0x08, 0x59, 0xEF, 0xF0, 0x22, 0x12, 0x07, 0xCC,
-	0xE4, 0xF0, 0x12, 0x07, 0xD8, 0xE4, 0xF0, 0x12,
-/*09F0*/0x08, 0x81, 0xF5, 0x83, 0xE4, 0xF0, 0x12, 0x08,
-	0x35, 0x74, 0x14, 0xF0, 0x12, 0x07, 0xE4, 0xE4,
-/*0A00*/0xF0, 0x12, 0x07, 0xF0, 0xE4, 0xF0, 0x12, 0x08,
-	0x8B, 0xF5, 0x83, 0xE4, 0xF0, 0x12, 0x08, 0x41,
-/*0A10*/0x74, 0x14, 0xF0, 0x12, 0x07, 0xFC, 0xE4, 0xF0,
-	0x12, 0x08, 0x08, 0xE4, 0xF0, 0x12, 0x08, 0x4D,
-/*0A20*/0xE4, 0xF0, 0x12, 0x08, 0x59, 0x74, 0x14, 0xF0,
-	0x22, 0x53, 0xF9, 0xF7, 0x75, 0xFC, 0x10, 0xE4,
-/*0A30*/0xF5, 0xFD, 0x75, 0xFE, 0x30, 0xF5, 0xFF, 0xE5,
-	0xE7, 0x20, 0xE7, 0x03, 0x43, 0xF9, 0x08, 0xE5,
-/*0A40*/0xE6, 0x20, 0xE7, 0x0B, 0x78, 0xFF, 0xE4, 0xF6,
-	0xD8, 0xFD, 0x53, 0xE6, 0xFE, 0x80, 0x09, 0x78,
-/*0A50*/0x08, 0xE4, 0xF6, 0xD8, 0xFD, 0x53, 0xE6, 0xFE,
-	0x75, 0x81, 0x80, 0xE4, 0xF5, 0xA8, 0xD2, 0xA8,
-/*0A60*/0xC2, 0xA9, 0xD2, 0xAF, 0xE5, 0xE2, 0x20, 0xE5,
-	0x05, 0x20, 0xE6, 0x02, 0x80, 0x03, 0x43, 0xE1,
-/*0A70*/0x02, 0xE5, 0xE2, 0x20, 0xE0, 0x0E, 0x90, 0x00,
-	0x00, 0x7F, 0x00, 0x7E, 0x08, 0xE4, 0xF0, 0xA3,
-/*0A80*/0xDF, 0xFC, 0xDE, 0xFA, 0x02, 0x0A, 0xDB, 0x43,
-	0xFA, 0x01, 0xC0, 0xE0, 0xC0, 0xF0, 0xC0, 0x83,
-/*0A90*/0xC0, 0x82, 0xC0, 0xD0, 0x12, 0x1C, 0xE7, 0xD0,
-	0xD0, 0xD0, 0x82, 0xD0, 0x83, 0xD0, 0xF0, 0xD0,
-/*0AA0*/0xE0, 0x53, 0xFA, 0xFE, 0x32, 0x02, 0x1B, 0x55,
-	0xE4, 0x93, 0xA3, 0xF8, 0xE4, 0x93, 0xA3, 0xF6,
-/*0AB0*/0x08, 0xDF, 0xF9, 0x80, 0x29, 0xE4, 0x93, 0xA3,
-	0xF8, 0x54, 0x07, 0x24, 0x0C, 0xC8, 0xC3, 0x33,
-/*0AC0*/0xC4, 0x54, 0x0F, 0x44, 0x20, 0xC8, 0x83, 0x40,
-	0x04, 0xF4, 0x56, 0x80, 0x01, 0x46, 0xF6, 0xDF,
-/*0AD0*/0xE4, 0x80, 0x0B, 0x01, 0x02, 0x04, 0x08, 0x10,
-	0x20, 0x40, 0x80, 0x90, 0x00, 0x3F, 0xE4, 0x7E,
-/*0AE0*/0x01, 0x93, 0x60, 0xC1, 0xA3, 0xFF, 0x54, 0x3F,
-	0x30, 0xE5, 0x09, 0x54, 0x1F, 0xFE, 0xE4, 0x93,
-/*0AF0*/0xA3, 0x60, 0x01, 0x0E, 0xCF, 0x54, 0xC0, 0x25,
-	0xE0, 0x60, 0xAD, 0x40, 0xB8, 0x80, 0xFE, 0x8C,
-/*0B00*/0x64, 0x8D, 0x65, 0x8A, 0x66, 0x8B, 0x67, 0xE4,
-	0xF5, 0x69, 0xEF, 0x4E, 0x70, 0x03, 0x02, 0x1D,
-/*0B10*/0x55, 0xE4, 0xF5, 0x68, 0xE5, 0x67, 0x45, 0x66,
-	0x70, 0x32, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x90,
-/*0B20*/0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE4,
-	0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0xE4, 0x12,
-/*0B30*/0x08, 0x70, 0x70, 0x29, 0x12, 0x07, 0x2A, 0x75,
-	0x83, 0x92, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83,
-/*0B40*/0xC6, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC8,
-	0xE4, 0xF0, 0x80, 0x11, 0x90, 0x07, 0x26, 0x12,
-/*0B50*/0x07, 0x35, 0xE4, 0x12, 0x08, 0x70, 0x70, 0x05,
-	0x12, 0x07, 0x32, 0xE4, 0xF0, 0x12, 0x1D, 0x55,
-/*0B60*/0x12, 0x1E, 0xBF, 0xE5, 0x67, 0x45, 0x66, 0x70,
-	0x33, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x90, 0xE5,
-/*0B70*/0x41, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE5,
-	0x41, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0x12,
-/*0B80*/0x08, 0x6E, 0x70, 0x29, 0x12, 0x07, 0x2A, 0x75,
-	0x83, 0x92, 0xE5, 0x40, 0x12, 0x07, 0x29, 0x75,
-/*0B90*/0x83, 0xC6, 0xE5, 0x40, 0x12, 0x07, 0x29, 0x75,
-	0x83, 0xC8, 0x80, 0x0E, 0x90, 0x07, 0x26, 0x12,
-/*0BA0*/0x07, 0x35, 0x12, 0x08, 0x6E, 0x70, 0x06, 0x12,
-	0x07, 0x32, 0xE5, 0x40, 0xF0, 0xAF, 0x69, 0x7E,
-/*0BB0*/0x00, 0xAD, 0x67, 0xAC, 0x66, 0x12, 0x04, 0x44,
-	0x12, 0x07, 0x2A, 0x75, 0x83, 0xCA, 0xE0, 0xD3,
-/*0BC0*/0x94, 0x00, 0x50, 0x0C, 0x05, 0x68, 0xE5, 0x68,
-	0xC3, 0x94, 0x05, 0x50, 0x03, 0x02, 0x0B, 0x14,
-/*0BD0*/0x22, 0x8C, 0x60, 0x8D, 0x61, 0x12, 0x08, 0xDA,
-	0x74, 0x20, 0x40, 0x0D, 0x2F, 0xF5, 0x82, 0x74,
-/*0BE0*/0x03, 0x3E, 0xF5, 0x83, 0xE5, 0x3E, 0xF0, 0x80,
-	0x0B, 0x2F, 0xF5, 0x82, 0x74, 0x03, 0x3E, 0xF5,
-/*0BF0*/0x83, 0xE5, 0x3C, 0xF0, 0xE5, 0x3C, 0xD3, 0x95,
-	0x3E, 0x40, 0x3C, 0xE5, 0x61, 0x45, 0x60, 0x70,
-/*0C00*/0x10, 0xE9, 0x12, 0x09, 0x04, 0xE5, 0x3E, 0x12,
-	0x07, 0x68, 0x40, 0x3B, 0x12, 0x08, 0x95, 0x80,
-/*0C10*/0x18, 0xE5, 0x3E, 0xC3, 0x95, 0x38, 0x40, 0x1D,
-	0x85, 0x3E, 0x38, 0xE5, 0x3E, 0x60, 0x05, 0x85,
-/*0C20*/0x3F, 0x39, 0x80, 0x03, 0x85, 0x39, 0x39, 0x8F,
-	0x3A, 0x12, 0x08, 0x14, 0xE5, 0x3E, 0x12, 0x07,
-/*0C30*/0xC0, 0xE5, 0x3F, 0xF0, 0x22, 0x80, 0x43, 0xE5,
-	0x61, 0x45, 0x60, 0x70, 0x19, 0x12, 0x07, 0x5F,
-/*0C40*/0x40, 0x05, 0x12, 0x08, 0x9E, 0x80, 0x27, 0x12,
-	0x09, 0x0B, 0x12, 0x08, 0x14, 0xE5, 0x42, 0x12,
-/*0C50*/0x07, 0xC0, 0xE5, 0x41, 0xF0, 0x22, 0xE5, 0x3C,
-	0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3C, 0x38,
-/*0C60*/0xE5, 0x3C, 0x60, 0x05, 0x85, 0x3D, 0x39, 0x80,
-	0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12, 0x08,
-/*0C70*/0x14, 0xE5, 0x3C, 0x12, 0x07, 0xC0, 0xE5, 0x3D,
-	0xF0, 0x22, 0x85, 0x38, 0x38, 0x85, 0x39, 0x39,
-/*0C80*/0x85, 0x3A, 0x3A, 0x12, 0x08, 0x14, 0xE5, 0x38,
-	0x12, 0x07, 0xC0, 0xE5, 0x39, 0xF0, 0x22, 0x7F,
-/*0C90*/0x06, 0x12, 0x17, 0x31, 0x12, 0x1D, 0x23, 0x12,
-	0x0E, 0x04, 0x12, 0x0E, 0x33, 0xE0, 0x44, 0x0A,
-/*0CA0*/0xF0, 0x74, 0x8E, 0xFE, 0x12, 0x0E, 0x04, 0x12,
-	0x0E, 0x0B, 0xEF, 0xF0, 0xE5, 0x28, 0x30, 0xE5,
-/*0CB0*/0x03, 0xD3, 0x80, 0x01, 0xC3, 0x40, 0x05, 0x75,
-	0x14, 0x20, 0x80, 0x03, 0x75, 0x14, 0x08, 0x12,
-/*0CC0*/0x0E, 0x04, 0x75, 0x83, 0x8A, 0xE5, 0x14, 0xF0,
-	0xB4, 0xFF, 0x05, 0x75, 0x12, 0x80, 0x80, 0x06,
-/*0CD0*/0xE5, 0x14, 0xC3, 0x13, 0xF5, 0x12, 0xE4, 0xF5,
-	0x16, 0xF5, 0x7F, 0x12, 0x19, 0x36, 0x12, 0x13,
-/*0CE0*/0xA3, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x50, 0x09,
-	0x05, 0x16, 0xE5, 0x16, 0xC3, 0x94, 0x14, 0x40,
-/*0CF0*/0xEA, 0xE5, 0xE4, 0x20, 0xE7, 0x28, 0x12, 0x0E,
-	0x04, 0x75, 0x83, 0xD2, 0xE0, 0x54, 0x08, 0xD3,
-/*0D00*/0x94, 0x00, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
-	0x7F, 0x00, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40,
-/*0D10*/0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF,
-	0x5E, 0x60, 0x03, 0x12, 0x1D, 0xD7, 0xE5, 0x7F,
-/*0D20*/0xC3, 0x94, 0x11, 0x40, 0x14, 0x12, 0x0E, 0x04,
-	0x75, 0x83, 0xD2, 0xE0, 0x44, 0x80, 0xF0, 0xE5,
-/*0D30*/0xE4, 0x20, 0xE7, 0x0F, 0x12, 0x1D, 0xD7, 0x80,
-	0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0xD2, 0xE0,
-/*0D40*/0x54, 0x7F, 0xF0, 0x12, 0x1D, 0x23, 0x22, 0x74,
-	0x8A, 0x85, 0x08, 0x82, 0xF5, 0x83, 0xE5, 0x17,
-/*0D50*/0xF0, 0x12, 0x0E, 0x3A, 0xE4, 0xF0, 0x90, 0x07,
-	0x02, 0xE0, 0x12, 0x0E, 0x17, 0x75, 0x83, 0x90,
-/*0D60*/0xEF, 0xF0, 0x74, 0x92, 0xFE, 0xE5, 0x08, 0x44,
-	0x07, 0xFF, 0xF5, 0x82, 0x8E, 0x83, 0xE0, 0x54,
-/*0D70*/0xC0, 0xFD, 0x90, 0x07, 0x03, 0xE0, 0x54, 0x3F,
-	0x4D, 0x8F, 0x82, 0x8E, 0x83, 0xF0, 0x90, 0x07,
-/*0D80*/0x04, 0xE0, 0x12, 0x0E, 0x17, 0x75, 0x83, 0x82,
-	0xEF, 0xF0, 0x90, 0x07, 0x05, 0xE0, 0xFF, 0xED,
-/*0D90*/0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xB4, 0xEF,
-	0x12, 0x0E, 0x03, 0x75, 0x83, 0x80, 0xE0, 0x54,
-/*0DA0*/0xBF, 0xF0, 0x30, 0x37, 0x0A, 0x12, 0x0E, 0x91,
-	0x75, 0x83, 0x94, 0xE0, 0x44, 0x80, 0xF0, 0x30,
-/*0DB0*/0x38, 0x0A, 0x12, 0x0E, 0x91, 0x75, 0x83, 0x92,
-	0xE0, 0x44, 0x80, 0xF0, 0xE5, 0x28, 0x30, 0xE4,
-/*0DC0*/0x1A, 0x20, 0x39, 0x0A, 0x12, 0x0E, 0x04, 0x75,
-	0x83, 0x88, 0xE0, 0x54, 0x7F, 0xF0, 0x20, 0x3A,
-/*0DD0*/0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0x88, 0xE0,
-	0x54, 0xBF, 0xF0, 0x74, 0x8C, 0xFE, 0x12, 0x0E,
-/*0DE0*/0x04, 0x8E, 0x83, 0xE0, 0x54, 0x0F, 0x12, 0x0E,
-	0x03, 0x75, 0x83, 0x86, 0xE0, 0x54, 0xBF, 0xF0,
-/*0DF0*/0xE5, 0x08, 0x44, 0x06, 0x12, 0x0D, 0xFD, 0x75,
-	0x83, 0x8A, 0xE4, 0xF0, 0x22, 0xF5, 0x82, 0x75,
-/*0E00*/0x83, 0x82, 0xE4, 0xF0, 0xE5, 0x08, 0x44, 0x07,
-	0xF5, 0x82, 0x22, 0x8E, 0x83, 0xE0, 0xF5, 0x10,
-/*0E10*/0x54, 0xFE, 0xF0, 0xE5, 0x10, 0x44, 0x01, 0xFF,
-	0xE5, 0x08, 0xFD, 0xED, 0x44, 0x07, 0xF5, 0x82,
-/*0E20*/0x22, 0xE5, 0x15, 0xC4, 0x54, 0x07, 0xFF, 0xE5,
-	0x08, 0xFD, 0xED, 0x44, 0x08, 0xF5, 0x82, 0x75,
-/*0E30*/0x83, 0x82, 0x22, 0x75, 0x83, 0x80, 0xE0, 0x44,
-	0x40, 0xF0, 0xE5, 0x08, 0x44, 0x08, 0xF5, 0x82,
-/*0E40*/0x75, 0x83, 0x8A, 0x22, 0xE5, 0x16, 0x25, 0xE0,
-	0x25, 0xE0, 0x24, 0xAF, 0xF5, 0x82, 0xE4, 0x34,
-/*0E50*/0x1A, 0xF5, 0x83, 0xE4, 0x93, 0xF5, 0x0D, 0x22,
-	0x43, 0xE1, 0x10, 0x43, 0xE1, 0x80, 0x53, 0xE1,
-/*0E60*/0xFD, 0x85, 0xE1, 0x10, 0x22, 0xE5, 0x16, 0x25,
-	0xE0, 0x25, 0xE0, 0x24, 0xB2, 0xF5, 0x82, 0xE4,
-/*0E70*/0x34, 0x1A, 0xF5, 0x83, 0xE4, 0x93, 0x22, 0x85,
-	0x55, 0x82, 0x85, 0x54, 0x83, 0xE5, 0x15, 0xF0,
-/*0E80*/0x22, 0xE5, 0xE2, 0x54, 0x20, 0xD3, 0x94, 0x00,
-	0x22, 0xE5, 0xE2, 0x54, 0x40, 0xD3, 0x94, 0x00,
-/*0E90*/0x22, 0xE5, 0x08, 0x44, 0x06, 0xF5, 0x82, 0x22,
-	0xFD, 0xE5, 0x08, 0xFB, 0xEB, 0x44, 0x07, 0xF5,
-/*0EA0*/0x82, 0x22, 0x53, 0xF9, 0xF7, 0x75, 0xFE, 0x30,
-	0x22, 0xEF, 0x4E, 0x70, 0x26, 0x12, 0x07, 0xCC,
-/*0EB0*/0xE0, 0xFD, 0x90, 0x07, 0x26, 0x12, 0x07, 0x7B,
-	0x12, 0x07, 0xD8, 0xE0, 0xFD, 0x90, 0x07, 0x28,
-/*0EC0*/0x12, 0x07, 0x7B, 0x12, 0x08, 0x81, 0x12, 0x07,
-	0x72, 0x12, 0x08, 0x35, 0xE0, 0x90, 0x07, 0x24,
-/*0ED0*/0x12, 0x07, 0x78, 0xEF, 0x64, 0x04, 0x4E, 0x70,
-	0x29, 0x12, 0x07, 0xE4, 0xE0, 0xFD, 0x90, 0x07,
-/*0EE0*/0x26, 0x12, 0x07, 0x7B, 0x12, 0x07, 0xF0, 0xE0,
-	0xFD, 0x90, 0x07, 0x28, 0x12, 0x07, 0x7B, 0x12,
-/*0EF0*/0x08, 0x8B, 0x12, 0x07, 0x72, 0x12, 0x08, 0x41,
-	0xE0, 0x54, 0x1F, 0xFD, 0x90, 0x07, 0x24, 0x12,
-/*0F00*/0x07, 0x7B, 0xEF, 0x64, 0x01, 0x4E, 0x70, 0x04,
-	0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00, 0xEF, 0x64,
-/*0F10*/0x02, 0x4E, 0x70, 0x04, 0x7F, 0x01, 0x80, 0x02,
-	0x7F, 0x00, 0xEF, 0x4D, 0x60, 0x35, 0x12, 0x07,
-/*0F20*/0xFC, 0xE0, 0xFF, 0x90, 0x07, 0x26, 0x12, 0x07,
-	0x89, 0xEF, 0xF0, 0x12, 0x08, 0x08, 0xE0, 0xFF,
-/*0F30*/0x90, 0x07, 0x28, 0x12, 0x07, 0x89, 0xEF, 0xF0,
-	0x12, 0x08, 0x4D, 0xE0, 0x54, 0x1F, 0xFF, 0x12,
-/*0F40*/0x07, 0x86, 0xEF, 0xF0, 0x12, 0x08, 0x59, 0xE0,
-	0x54, 0x1F, 0xFF, 0x90, 0x07, 0x24, 0x12, 0x07,
-/*0F50*/0x89, 0xEF, 0xF0, 0x22, 0xE4, 0xF5, 0x53, 0x12,
-	0x0E, 0x81, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
-/*0F60*/0x7F, 0x00, 0x12, 0x0E, 0x89, 0x40, 0x04, 0x7E,
-	0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x70,
-/*0F70*/0x03, 0x02, 0x0F, 0xF6, 0x85, 0xE1, 0x10, 0x43,
-	0xE1, 0x02, 0x53, 0xE1, 0x0F, 0x85, 0xE1, 0x10,
-/*0F80*/0xE4, 0xF5, 0x51, 0xE5, 0xE3, 0x54, 0x3F, 0xF5,
-	0x52, 0x12, 0x0E, 0x89, 0x40, 0x1D, 0xAD, 0x52,
-/*0F90*/0xAF, 0x51, 0x12, 0x11, 0x18, 0xEF, 0x60, 0x08,
-	0x85, 0xE1, 0x10, 0x43, 0xE1, 0x40, 0x80, 0x0B,
-/*0FA0*/0x53, 0xE1, 0xBF, 0x12, 0x0E, 0x58, 0x12, 0x00,
-	0x06, 0x80, 0xFB, 0xE5, 0xE3, 0x54, 0x3F, 0xF5,
-/*0FB0*/0x51, 0xE5, 0xE4, 0x54, 0x3F, 0xF5, 0x52, 0x12,
-	0x0E, 0x81, 0x40, 0x1D, 0xAD, 0x52, 0xAF, 0x51,
-/*0FC0*/0x12, 0x11, 0x18, 0xEF, 0x60, 0x08, 0x85, 0xE1,
-	0x10, 0x43, 0xE1, 0x20, 0x80, 0x0B, 0x53, 0xE1,
-/*0FD0*/0xDF, 0x12, 0x0E, 0x58, 0x12, 0x00, 0x06, 0x80,
-	0xFB, 0x12, 0x0E, 0x81, 0x40, 0x04, 0x7F, 0x01,
-/*0FE0*/0x80, 0x02, 0x7F, 0x00, 0x12, 0x0E, 0x89, 0x40,
-	0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE,
-/*0FF0*/0x4F, 0x60, 0x03, 0x12, 0x0E, 0x5B, 0x22, 0x12,
-	0x0E, 0x21, 0xEF, 0xF0, 0x12, 0x10, 0x91, 0x22,
-/*1000*/0x02, 0x11, 0x00, 0x02, 0x10, 0x40, 0x02, 0x10,
-	0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1010*/0x01, 0x20, 0x01, 0x20, 0xE4, 0xF5, 0x57, 0x12,
-	0x16, 0xBD, 0x12, 0x16, 0x44, 0xE4, 0x12, 0x10,
-/*1020*/0x56, 0x12, 0x14, 0xB7, 0x90, 0x07, 0x26, 0x12,
-	0x07, 0x35, 0xE4, 0x12, 0x07, 0x31, 0xE4, 0xF0,
-/*1030*/0x12, 0x10, 0x56, 0x12, 0x14, 0xB7, 0x90, 0x07,
-	0x26, 0x12, 0x07, 0x35, 0xE5, 0x41, 0x12, 0x07,
-/*1040*/0x31, 0xE5, 0x40, 0xF0, 0xAF, 0x57, 0x7E, 0x00,
-	0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44, 0xAF,
-/*1050*/0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0xFF, 0x90,
-	0x07, 0x20, 0xA3, 0xE0, 0xFD, 0xE4, 0xF5, 0x56,
-/*1060*/0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA, 0x12,
-	0x11, 0x51, 0x7F, 0x0F, 0x7D, 0x18, 0xE4, 0xF5,
-/*1070*/0x56, 0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA,
-	0x12, 0x15, 0x41, 0xAF, 0x56, 0x7E, 0x00, 0x12,
-/*1080*/0x1A, 0xFF, 0xE4, 0xFF, 0xF5, 0x56, 0x7D, 0x1F,
-	0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA, 0x22,
-/*1090*/0x22, 0xE4, 0xF5, 0x55, 0xE5, 0x08, 0xFD, 0x74,
-	0xA0, 0xF5, 0x56, 0xED, 0x44, 0x07, 0xF5, 0x57,
-/*10A0*/0xE5, 0x28, 0x30, 0xE5, 0x03, 0xD3, 0x80, 0x01,
-	0xC3, 0x40, 0x05, 0x7F, 0x28, 0xEF, 0x80, 0x04,
-/*10B0*/0x7F, 0x14, 0xEF, 0xC3, 0x13, 0xF5, 0x54, 0xE4,
-	0xF9, 0x12, 0x0E, 0x18, 0x75, 0x83, 0x8E, 0xE0,
-/*10C0*/0xF5, 0x10, 0xCE, 0xEF, 0xCE, 0xEE, 0xD3, 0x94,
-	0x00, 0x40, 0x26, 0xE5, 0x10, 0x54, 0xFE, 0x12,
-/*10D0*/0x0E, 0x98, 0x75, 0x83, 0x8E, 0xED, 0xF0, 0xE5,
-	0x10, 0x44, 0x01, 0xFD, 0xEB, 0x44, 0x07, 0xF5,
-/*10E0*/0x82, 0xED, 0xF0, 0x85, 0x57, 0x82, 0x85, 0x56,
-	0x83, 0xE0, 0x30, 0xE3, 0x01, 0x09, 0x1E, 0x80,
-/*10F0*/0xD4, 0xC2, 0x34, 0xE9, 0xC3, 0x95, 0x54, 0x40,
-	0x02, 0xD2, 0x34, 0x22, 0x02, 0x00, 0x06, 0x22,
-/*1100*/0x30, 0x30, 0x11, 0x90, 0x10, 0x00, 0xE4, 0x93,
-	0xF5, 0x10, 0x90, 0x10, 0x10, 0xE4, 0x93, 0xF5,
-/*1110*/0x10, 0x12, 0x10, 0x90, 0x12, 0x11, 0x50, 0x22,
-	0xE4, 0xFC, 0xC3, 0xED, 0x9F, 0xFA, 0xEF, 0xF5,
-/*1120*/0x83, 0x75, 0x82, 0x00, 0x79, 0xFF, 0xE4, 0x93,
-	0xCC, 0x6C, 0xCC, 0xA3, 0xD9, 0xF8, 0xDA, 0xF6,
-/*1130*/0xE5, 0xE2, 0x30, 0xE4, 0x02, 0x8C, 0xE5, 0xED,
-	0x24, 0xFF, 0xFF, 0xEF, 0x75, 0x82, 0xFF, 0xF5,
-/*1140*/0x83, 0xE4, 0x93, 0x6C, 0x70, 0x03, 0x7F, 0x01,
-	0x22, 0x7F, 0x00, 0x22, 0x22, 0x11, 0x00, 0x00,
-/*1150*/0x22, 0x8E, 0x58, 0x8F, 0x59, 0x8C, 0x5A, 0x8D,
-	0x5B, 0x8A, 0x5C, 0x8B, 0x5D, 0x75, 0x5E, 0x01,
-/*1160*/0xE4, 0xF5, 0x5F, 0xF5, 0x60, 0xF5, 0x62, 0x12,
-	0x07, 0x2A, 0x75, 0x83, 0xD0, 0xE0, 0xFF, 0xC4,
-/*1170*/0x54, 0x0F, 0xF5, 0x61, 0x12, 0x1E, 0xA5, 0x85,
-	0x59, 0x5E, 0xD3, 0xE5, 0x5E, 0x95, 0x5B, 0xE5,
-/*1180*/0x5A, 0x12, 0x07, 0x6B, 0x50, 0x4B, 0x12, 0x07,
-	0x03, 0x75, 0x83, 0xBC, 0xE0, 0x45, 0x5E, 0x12,
-/*1190*/0x07, 0x29, 0x75, 0x83, 0xBE, 0xE0, 0x45, 0x5E,
-	0x12, 0x07, 0x29, 0x75, 0x83, 0xC0, 0xE0, 0x45,
-/*11A0*/0x5E, 0xF0, 0xAF, 0x5F, 0xE5, 0x60, 0x12, 0x08,
-	0x78, 0x12, 0x0A, 0xFF, 0xAF, 0x62, 0x7E, 0x00,
-/*11B0*/0xAD, 0x5D, 0xAC, 0x5C, 0x12, 0x04, 0x44, 0xE5,
-	0x61, 0xAF, 0x5E, 0x7E, 0x00, 0xB4, 0x03, 0x05,
-/*11C0*/0x12, 0x1E, 0x21, 0x80, 0x07, 0xAD, 0x5D, 0xAC,
-	0x5C, 0x12, 0x13, 0x17, 0x05, 0x5E, 0x02, 0x11,
-/*11D0*/0x7A, 0x12, 0x07, 0x03, 0x75, 0x83, 0xBC, 0xE0,
-	0x45, 0x40, 0x12, 0x07, 0x29, 0x75, 0x83, 0xBE,
-/*11E0*/0xE0, 0x45, 0x40, 0x12, 0x07, 0x29, 0x75, 0x83,
-	0xC0, 0xE0, 0x45, 0x40, 0xF0, 0x22, 0x8E, 0x58,
-/*11F0*/0x8F, 0x59, 0x75, 0x5A, 0x01, 0x79, 0x01, 0x75,
-	0x5B, 0x01, 0xE4, 0xFB, 0x12, 0x07, 0x2A, 0x75,
-/*1200*/0x83, 0xAE, 0xE0, 0x54, 0x1A, 0xFF, 0x12, 0x08,
-	0x65, 0xE0, 0xC4, 0x13, 0x54, 0x07, 0xFE, 0xEF,
-/*1210*/0x70, 0x0C, 0xEE, 0x65, 0x35, 0x70, 0x07, 0x90,
-	0x07, 0x2F, 0xE0, 0xB4, 0x01, 0x0D, 0xAF, 0x35,
-/*1220*/0x7E, 0x00, 0x12, 0x0E, 0xA9, 0xCF, 0xEB, 0xCF,
-	0x02, 0x1E, 0x60, 0xE5, 0x59, 0x64, 0x02, 0x45,
-/*1230*/0x58, 0x70, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F,
-	0x00, 0xE5, 0x59, 0x45, 0x58, 0x70, 0x04, 0x7E,
-/*1240*/0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x60,
-	0x23, 0x85, 0x41, 0x49, 0x85, 0x40, 0x4B, 0xE5,
-/*1250*/0x59, 0x45, 0x58, 0x70, 0x2C, 0xAF, 0x5A, 0xFE,
-	0xCD, 0xE9, 0xCD, 0xFC, 0xAB, 0x59, 0xAA, 0x58,
-/*1260*/0x12, 0x0A, 0xFF, 0xAF, 0x5B, 0x7E, 0x00, 0x12,
-	0x1E, 0x60, 0x80, 0x15, 0xAF, 0x5B, 0x7E, 0x00,
-/*1270*/0x12, 0x1E, 0x60, 0x90, 0x07, 0x26, 0x12, 0x07,
-	0x35, 0xE5, 0x49, 0x12, 0x07, 0x31, 0xE5, 0x4B,
-/*1280*/0xF0, 0xE4, 0xFD, 0xAF, 0x35, 0xFE, 0xFC, 0x12,
-	0x09, 0x15, 0x22, 0x8C, 0x64, 0x8D, 0x65, 0x12,
-/*1290*/0x08, 0xDA, 0x40, 0x3C, 0xE5, 0x65, 0x45, 0x64,
-	0x70, 0x10, 0x12, 0x09, 0x04, 0xC3, 0xE5, 0x3E,
-/*12A0*/0x12, 0x07, 0x69, 0x40, 0x3B, 0x12, 0x08, 0x95,
-	0x80, 0x18, 0xE5, 0x3E, 0xC3, 0x95, 0x38, 0x40,
-/*12B0*/0x1D, 0x85, 0x3E, 0x38, 0xE5, 0x3E, 0x60, 0x05,
-	0x85, 0x3F, 0x39, 0x80, 0x03, 0x85, 0x39, 0x39,
-/*12C0*/0x8F, 0x3A, 0x12, 0x07, 0xA8, 0xE5, 0x3E, 0x12,
-	0x07, 0x53, 0xE5, 0x3F, 0xF0, 0x22, 0x80, 0x3B,
-/*12D0*/0xE5, 0x65, 0x45, 0x64, 0x70, 0x11, 0x12, 0x07,
-	0x5F, 0x40, 0x05, 0x12, 0x08, 0x9E, 0x80, 0x1F,
-/*12E0*/0x12, 0x07, 0x3E, 0xE5, 0x41, 0xF0, 0x22, 0xE5,
-	0x3C, 0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3C,
-/*12F0*/0x38, 0xE5, 0x3C, 0x60, 0x05, 0x85, 0x3D, 0x39,
-	0x80, 0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12,
-/*1300*/0x07, 0xA8, 0xE5, 0x3C, 0x12, 0x07, 0x53, 0xE5,
-	0x3D, 0xF0, 0x22, 0x12, 0x07, 0x9F, 0xE5, 0x38,
-/*1310*/0x12, 0x07, 0x53, 0xE5, 0x39, 0xF0, 0x22, 0x8C,
-	0x63, 0x8D, 0x64, 0x12, 0x08, 0xDA, 0x40, 0x3C,
-/*1320*/0xE5, 0x64, 0x45, 0x63, 0x70, 0x10, 0x12, 0x09,
-	0x04, 0xC3, 0xE5, 0x3E, 0x12, 0x07, 0x69, 0x40,
-/*1330*/0x3B, 0x12, 0x08, 0x95, 0x80, 0x18, 0xE5, 0x3E,
-	0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3E, 0x38,
-/*1340*/0xE5, 0x3E, 0x60, 0x05, 0x85, 0x3F, 0x39, 0x80,
-	0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12, 0x07,
-/*1350*/0xA8, 0xE5, 0x3E, 0x12, 0x07, 0x53, 0xE5, 0x3F,
-	0xF0, 0x22, 0x80, 0x3B, 0xE5, 0x64, 0x45, 0x63,
-/*1360*/0x70, 0x11, 0x12, 0x07, 0x5F, 0x40, 0x05, 0x12,
-	0x08, 0x9E, 0x80, 0x1F, 0x12, 0x07, 0x3E, 0xE5,
-/*1370*/0x41, 0xF0, 0x22, 0xE5, 0x3C, 0xC3, 0x95, 0x38,
-	0x40, 0x1D, 0x85, 0x3C, 0x38, 0xE5, 0x3C, 0x60,
-/*1380*/0x05, 0x85, 0x3D, 0x39, 0x80, 0x03, 0x85, 0x39,
-	0x39, 0x8F, 0x3A, 0x12, 0x07, 0xA8, 0xE5, 0x3C,
-/*1390*/0x12, 0x07, 0x53, 0xE5, 0x3D, 0xF0, 0x22, 0x12,
-	0x07, 0x9F, 0xE5, 0x38, 0x12, 0x07, 0x53, 0xE5,
-/*13A0*/0x39, 0xF0, 0x22, 0xE5, 0x0D, 0xFE, 0xE5, 0x08,
-	0x8E, 0x54, 0x44, 0x05, 0xF5, 0x55, 0x75, 0x15,
-/*13B0*/0x0F, 0xF5, 0x82, 0x12, 0x0E, 0x7A, 0x12, 0x17,
-	0xA3, 0x20, 0x31, 0x05, 0x75, 0x15, 0x03, 0x80,
-/*13C0*/0x03, 0x75, 0x15, 0x0B, 0xE5, 0x0A, 0xC3, 0x94,
-	0x01, 0x50, 0x38, 0x12, 0x14, 0x20, 0x20, 0x31,
-/*13D0*/0x06, 0x05, 0x15, 0x05, 0x15, 0x80, 0x04, 0x15,
-	0x15, 0x15, 0x15, 0xE5, 0x0A, 0xC3, 0x94, 0x01,
-/*13E0*/0x50, 0x21, 0x12, 0x14, 0x20, 0x20, 0x31, 0x04,
-	0x05, 0x15, 0x80, 0x02, 0x15, 0x15, 0xE5, 0x0A,
-/*13F0*/0xC3, 0x94, 0x01, 0x50, 0x0E, 0x12, 0x0E, 0x77,
-	0x12, 0x17, 0xA3, 0x20, 0x31, 0x05, 0x05, 0x15,
-/*1400*/0x12, 0x0E, 0x77, 0xE5, 0x15, 0xB4, 0x08, 0x04,
-	0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x15,
-/*1410*/0xB4, 0x07, 0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E,
-	0x00, 0xEE, 0x4F, 0x60, 0x02, 0x05, 0x7F, 0x22,
-/*1420*/0x85, 0x55, 0x82, 0x85, 0x54, 0x83, 0xE5, 0x15,
-	0xF0, 0x12, 0x17, 0xA3, 0x22, 0x12, 0x07, 0x2A,
-/*1430*/0x75, 0x83, 0xAE, 0x74, 0xFF, 0x12, 0x07, 0x29,
-	0xE0, 0x54, 0x1A, 0xF5, 0x34, 0xE0, 0xC4, 0x13,
-/*1440*/0x54, 0x07, 0xF5, 0x35, 0x24, 0xFE, 0x60, 0x24,
-	0x24, 0xFE, 0x60, 0x3C, 0x24, 0x04, 0x70, 0x63,
-/*1450*/0x75, 0x31, 0x2D, 0xE5, 0x08, 0xFD, 0x74, 0xB6,
-	0x12, 0x07, 0x92, 0x74, 0xBC, 0x90, 0x07, 0x22,
-/*1460*/0x12, 0x07, 0x95, 0x74, 0x90, 0x12, 0x07, 0xB3,
-	0x74, 0x92, 0x80, 0x3C, 0x75, 0x31, 0x3A, 0xE5,
-/*1470*/0x08, 0xFD, 0x74, 0xBA, 0x12, 0x07, 0x92, 0x74,
-	0xC0, 0x90, 0x07, 0x22, 0x12, 0x07, 0xB6, 0x74,
-/*1480*/0xC4, 0x12, 0x07, 0xB3, 0x74, 0xC8, 0x80, 0x20,
-	0x75, 0x31, 0x35, 0xE5, 0x08, 0xFD, 0x74, 0xB8,
-/*1490*/0x12, 0x07, 0x92, 0x74, 0xBE, 0xFF, 0xED, 0x44,
-	0x07, 0x90, 0x07, 0x22, 0xCF, 0xF0, 0xA3, 0xEF,
-/*14A0*/0xF0, 0x74, 0xC2, 0x12, 0x07, 0xB3, 0x74, 0xC6,
-	0xFF, 0xED, 0x44, 0x07, 0xA3, 0xCF, 0xF0, 0xA3,
-/*14B0*/0xEF, 0xF0, 0x22, 0x75, 0x34, 0x01, 0x22, 0x8E,
-	0x58, 0x8F, 0x59, 0x8C, 0x5A, 0x8D, 0x5B, 0x8A,
-/*14C0*/0x5C, 0x8B, 0x5D, 0x75, 0x5E, 0x01, 0xE4, 0xF5,
-	0x5F, 0x12, 0x1E, 0xA5, 0x85, 0x59, 0x5E, 0xD3,
-/*14D0*/0xE5, 0x5E, 0x95, 0x5B, 0xE5, 0x5A, 0x12, 0x07,
-	0x6B, 0x50, 0x57, 0xE5, 0x5D, 0x45, 0x5C, 0x70,
-/*14E0*/0x30, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x92, 0xE5,
-	0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC6, 0xE5,
-/*14F0*/0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC8, 0xE5,
-	0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0x90, 0xE5,
-/*1500*/0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE5,
-	0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0x80,
-/*1510*/0x03, 0x12, 0x07, 0x32, 0xE5, 0x5E, 0xF0, 0xAF,
-	0x5F, 0x7E, 0x00, 0xAD, 0x5D, 0xAC, 0x5C, 0x12,
-/*1520*/0x04, 0x44, 0xAF, 0x5E, 0x7E, 0x00, 0xAD, 0x5D,
-	0xAC, 0x5C, 0x12, 0x0B, 0xD1, 0x05, 0x5E, 0x02,
-/*1530*/0x14, 0xCF, 0xAB, 0x5D, 0xAA, 0x5C, 0xAD, 0x5B,
-	0xAC, 0x5A, 0xAF, 0x59, 0xAE, 0x58, 0x02, 0x1B,
-/*1540*/0xFB, 0x8C, 0x5C, 0x8D, 0x5D, 0x8A, 0x5E, 0x8B,
-	0x5F, 0x75, 0x60, 0x01, 0xE4, 0xF5, 0x61, 0xF5,
-/*1550*/0x62, 0xF5, 0x63, 0x12, 0x1E, 0xA5, 0x8F, 0x60,
-	0xD3, 0xE5, 0x60, 0x95, 0x5D, 0xE5, 0x5C, 0x12,
-/*1560*/0x07, 0x6B, 0x50, 0x61, 0xE5, 0x5F, 0x45, 0x5E,
-	0x70, 0x27, 0x12, 0x07, 0x2A, 0x75, 0x83, 0xB6,
-/*1570*/0xE5, 0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0xB8,
-	0xE5, 0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0xBA,
-/*1580*/0xE5, 0x60, 0xF0, 0xAF, 0x61, 0x7E, 0x00, 0xE5,
-	0x62, 0x12, 0x08, 0x7A, 0x12, 0x0A, 0xFF, 0x80,
-/*1590*/0x19, 0x90, 0x07, 0x24, 0x12, 0x07, 0x35, 0xE5,
-	0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0x8E, 0xE4,
-/*15A0*/0x12, 0x07, 0x29, 0x74, 0x01, 0x12, 0x07, 0x29,
-	0xE4, 0xF0, 0xAF, 0x63, 0x7E, 0x00, 0xAD, 0x5F,
-/*15B0*/0xAC, 0x5E, 0x12, 0x04, 0x44, 0xAF, 0x60, 0x7E,
-	0x00, 0xAD, 0x5F, 0xAC, 0x5E, 0x12, 0x12, 0x8B,
-/*15C0*/0x05, 0x60, 0x02, 0x15, 0x58, 0x22, 0x90, 0x11,
-	0x4D, 0xE4, 0x93, 0x90, 0x07, 0x2E, 0xF0, 0x12,
-/*15D0*/0x08, 0x1F, 0x75, 0x83, 0xAE, 0xE0, 0x54, 0x1A,
-	0xF5, 0x34, 0x70, 0x67, 0xEF, 0x44, 0x07, 0xF5,
-/*15E0*/0x82, 0x75, 0x83, 0xCE, 0xE0, 0xFF, 0x13, 0x13,
-	0x13, 0x54, 0x07, 0xF5, 0x36, 0x54, 0x0F, 0xD3,
-/*15F0*/0x94, 0x00, 0x40, 0x06, 0x12, 0x14, 0x2D, 0x12,
-	0x1B, 0xA9, 0xE5, 0x36, 0x54, 0x0F, 0x24, 0xFE,
-/*1600*/0x60, 0x0C, 0x14, 0x60, 0x0C, 0x14, 0x60, 0x19,
-	0x24, 0x03, 0x70, 0x37, 0x80, 0x10, 0x02, 0x1E,
-/*1610*/0x91, 0x12, 0x1E, 0x91, 0x12, 0x07, 0x2A, 0x75,
-	0x83, 0xCE, 0xE0, 0x54, 0xEF, 0xF0, 0x02, 0x1D,
-/*1620*/0xAE, 0x12, 0x10, 0x14, 0xE4, 0xF5, 0x55, 0x12,
-	0x1D, 0x85, 0x05, 0x55, 0xE5, 0x55, 0xC3, 0x94,
-/*1630*/0x05, 0x40, 0xF4, 0x12, 0x07, 0x2A, 0x75, 0x83,
-	0xCE, 0xE0, 0x54, 0xC7, 0x12, 0x07, 0x29, 0xE0,
-/*1640*/0x44, 0x08, 0xF0, 0x22, 0xE4, 0xF5, 0x58, 0xF5,
-	0x59, 0xAF, 0x08, 0xEF, 0x44, 0x07, 0xF5, 0x82,
-/*1650*/0x75, 0x83, 0xD0, 0xE0, 0xFD, 0xC4, 0x54, 0x0F,
-	0xF5, 0x5A, 0xEF, 0x44, 0x07, 0xF5, 0x82, 0x75,
-/*1660*/0x83, 0x80, 0x74, 0x01, 0xF0, 0x12, 0x08, 0x21,
-	0x75, 0x83, 0x82, 0xE5, 0x45, 0xF0, 0xEF, 0x44,
-/*1670*/0x07, 0xF5, 0x82, 0x75, 0x83, 0x8A, 0x74, 0xFF,
-	0xF0, 0x12, 0x1A, 0x4D, 0x12, 0x07, 0x2A, 0x75,
-/*1680*/0x83, 0xBC, 0xE0, 0x54, 0xEF, 0x12, 0x07, 0x29,
-	0x75, 0x83, 0xBE, 0xE0, 0x54, 0xEF, 0x12, 0x07,
-/*1690*/0x29, 0x75, 0x83, 0xC0, 0xE0, 0x54, 0xEF, 0x12,
-	0x07, 0x29, 0x75, 0x83, 0xBC, 0xE0, 0x44, 0x10,
-/*16A0*/0x12, 0x07, 0x29, 0x75, 0x83, 0xBE, 0xE0, 0x44,
-	0x10, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC0, 0xE0,
-/*16B0*/0x44, 0x10, 0xF0, 0xAF, 0x58, 0xE5, 0x59, 0x12,
-	0x08, 0x78, 0x02, 0x0A, 0xFF, 0xE4, 0xF5, 0x58,
-/*16C0*/0x7D, 0x01, 0xF5, 0x59, 0xAF, 0x35, 0xFE, 0xFC,
-	0x12, 0x09, 0x15, 0x12, 0x07, 0x2A, 0x75, 0x83,
-/*16D0*/0xB6, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
-	0xB8, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
-/*16E0*/0xBA, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
-	0xBC, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
-/*16F0*/0xBE, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
-	0xC0, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
-/*1700*/0x90, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2,
-	0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0xE4,
-/*1710*/0x12, 0x07, 0x29, 0x75, 0x83, 0x92, 0xE4, 0x12,
-	0x07, 0x29, 0x75, 0x83, 0xC6, 0xE4, 0x12, 0x07,
-/*1720*/0x29, 0x75, 0x83, 0xC8, 0xE4, 0xF0, 0xAF, 0x58,
-	0xFE, 0xE5, 0x59, 0x12, 0x08, 0x7A, 0x02, 0x0A,
-/*1730*/0xFF, 0xE5, 0xE2, 0x30, 0xE4, 0x6C, 0xE5, 0xE7,
-	0x54, 0xC0, 0x64, 0x40, 0x70, 0x64, 0xE5, 0x09,
-/*1740*/0xC4, 0x54, 0x30, 0xFE, 0xE5, 0x08, 0x25, 0xE0,
-	0x25, 0xE0, 0x54, 0xC0, 0x4E, 0xFE, 0xEF, 0x54,
-/*1750*/0x3F, 0x4E, 0xFD, 0xE5, 0x2B, 0xAE, 0x2A, 0x78,
-	0x02, 0xC3, 0x33, 0xCE, 0x33, 0xCE, 0xD8, 0xF9,
-/*1760*/0xF5, 0x82, 0x8E, 0x83, 0xED, 0xF0, 0xE5, 0x2B,
-	0xAE, 0x2A, 0x78, 0x02, 0xC3, 0x33, 0xCE, 0x33,
-/*1770*/0xCE, 0xD8, 0xF9, 0xFF, 0xF5, 0x82, 0x8E, 0x83,
-	0xA3, 0xE5, 0xFE, 0xF0, 0x8F, 0x82, 0x8E, 0x83,
-/*1780*/0xA3, 0xA3, 0xE5, 0xFD, 0xF0, 0x8F, 0x82, 0x8E,
-	0x83, 0xA3, 0xA3, 0xA3, 0xE5, 0xFC, 0xF0, 0xC3,
-/*1790*/0xE5, 0x2B, 0x94, 0xFA, 0xE5, 0x2A, 0x94, 0x00,
-	0x50, 0x08, 0x05, 0x2B, 0xE5, 0x2B, 0x70, 0x02,
-/*17A0*/0x05, 0x2A, 0x22, 0xE4, 0xFF, 0xE4, 0xF5, 0x58,
-	0xF5, 0x56, 0xF5, 0x57, 0x74, 0x82, 0xFC, 0x12,
-/*17B0*/0x0E, 0x04, 0x8C, 0x83, 0xE0, 0xF5, 0x10, 0x54,
-	0x7F, 0xF0, 0xE5, 0x10, 0x44, 0x80, 0x12, 0x0E,
-/*17C0*/0x98, 0xED, 0xF0, 0x7E, 0x0A, 0x12, 0x0E, 0x04,
-	0x75, 0x83, 0xA0, 0xE0, 0x20, 0xE0, 0x26, 0xDE,
-/*17D0*/0xF4, 0x05, 0x57, 0xE5, 0x57, 0x70, 0x02, 0x05,
-	0x56, 0xE5, 0x14, 0x24, 0x01, 0xFD, 0xE4, 0x33,
-/*17E0*/0xFC, 0xD3, 0xE5, 0x57, 0x9D, 0xE5, 0x56, 0x9C,
-	0x40, 0xD9, 0xE5, 0x0A, 0x94, 0x20, 0x50, 0x02,
-/*17F0*/0x05, 0x0A, 0x43, 0xE1, 0x08, 0xC2, 0x31, 0x12,
-	0x0E, 0x04, 0x75, 0x83, 0xA6, 0xE0, 0x55, 0x12,
-/*1800*/0x65, 0x12, 0x70, 0x03, 0xD2, 0x31, 0x22, 0xC2,
-	0x31, 0x22, 0x90, 0x07, 0x26, 0xE0, 0xFA, 0xA3,
-/*1810*/0xE0, 0xF5, 0x82, 0x8A, 0x83, 0xE0, 0xF5, 0x41,
-	0xE5, 0x39, 0xC3, 0x95, 0x41, 0x40, 0x26, 0xE5,
-/*1820*/0x39, 0x95, 0x41, 0xC3, 0x9F, 0xEE, 0x12, 0x07,
-	0x6B, 0x40, 0x04, 0x7C, 0x01, 0x80, 0x02, 0x7C,
-/*1830*/0x00, 0xE5, 0x41, 0x64, 0x3F, 0x60, 0x04, 0x7B,
-	0x01, 0x80, 0x02, 0x7B, 0x00, 0xEC, 0x5B, 0x60,
-/*1840*/0x29, 0x05, 0x41, 0x80, 0x28, 0xC3, 0xE5, 0x41,
-	0x95, 0x39, 0xC3, 0x9F, 0xEE, 0x12, 0x07, 0x6B,
-/*1850*/0x40, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00,
-	0xE5, 0x41, 0x60, 0x04, 0x7E, 0x01, 0x80, 0x02,
-/*1860*/0x7E, 0x00, 0xEF, 0x5E, 0x60, 0x04, 0x15, 0x41,
-	0x80, 0x03, 0x85, 0x39, 0x41, 0x85, 0x3A, 0x40,
-/*1870*/0x22, 0xE5, 0xE2, 0x30, 0xE4, 0x60, 0xE5, 0xE1,
-	0x30, 0xE2, 0x5B, 0xE5, 0x09, 0x70, 0x04, 0x7F,
-/*1880*/0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x08, 0x70,
-	0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE,
-/*1890*/0x5F, 0x60, 0x43, 0x53, 0xF9, 0xF8, 0xE5, 0xE2,
-	0x30, 0xE4, 0x3B, 0xE5, 0xE1, 0x30, 0xE2, 0x2E,
-/*18A0*/0x43, 0xFA, 0x02, 0x53, 0xFA, 0xFB, 0xE4, 0xF5,
-	0x10, 0x90, 0x94, 0x70, 0xE5, 0x10, 0xF0, 0xE5,
-/*18B0*/0xE1, 0x30, 0xE2, 0xE7, 0x90, 0x94, 0x70, 0xE0,
-	0x65, 0x10, 0x60, 0x03, 0x43, 0xFA, 0x04, 0x05,
-/*18C0*/0x10, 0x90, 0x94, 0x70, 0xE5, 0x10, 0xF0, 0x70,
-	0xE6, 0x12, 0x00, 0x06, 0x80, 0xE1, 0x53, 0xFA,
-/*18D0*/0xFD, 0x53, 0xFA, 0xFB, 0x80, 0xC0, 0x22, 0x8F,
-	0x54, 0x12, 0x00, 0x06, 0xE5, 0xE1, 0x30, 0xE0,
-/*18E0*/0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5,
-	0x7E, 0xD3, 0x94, 0x05, 0x40, 0x04, 0x7E, 0x01,
-/*18F0*/0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x60, 0x3D,
-	0x85, 0x54, 0x11, 0xE5, 0xE2, 0x20, 0xE1, 0x32,
-/*1900*/0x74, 0xCE, 0x12, 0x1A, 0x05, 0x30, 0xE7, 0x04,
-	0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00, 0x8F, 0x82,
-/*1910*/0x8E, 0x83, 0xE0, 0x30, 0xE6, 0x04, 0x7F, 0x01,
-	0x80, 0x02, 0x7F, 0x00, 0xEF, 0x5D, 0x70, 0x15,
-/*1920*/0x12, 0x15, 0xC6, 0x74, 0xCE, 0x12, 0x1A, 0x05,
-	0x30, 0xE6, 0x07, 0xE0, 0x44, 0x80, 0xF0, 0x43,
-/*1930*/0xF9, 0x80, 0x12, 0x18, 0x71, 0x22, 0x12, 0x0E,
-	0x44, 0xE5, 0x16, 0x25, 0xE0, 0x25, 0xE0, 0x24,
-/*1940*/0xB0, 0xF5, 0x82, 0xE4, 0x34, 0x1A, 0xF5, 0x83,
-	0xE4, 0x93, 0xF5, 0x0F, 0xE5, 0x16, 0x25, 0xE0,
-/*1950*/0x25, 0xE0, 0x24, 0xB1, 0xF5, 0x82, 0xE4, 0x34,
-	0x1A, 0xF5, 0x83, 0xE4, 0x93, 0xF5, 0x0E, 0x12,
-/*1960*/0x0E, 0x65, 0xF5, 0x10, 0xE5, 0x0F, 0x54, 0xF0,
-	0x12, 0x0E, 0x17, 0x75, 0x83, 0x8C, 0xEF, 0xF0,
-/*1970*/0xE5, 0x0F, 0x30, 0xE0, 0x0C, 0x12, 0x0E, 0x04,
-	0x75, 0x83, 0x86, 0xE0, 0x44, 0x40, 0xF0, 0x80,
-/*1980*/0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0x86, 0xE0,
-	0x54, 0xBF, 0xF0, 0x12, 0x0E, 0x91, 0x75, 0x83,
-/*1990*/0x82, 0xE5, 0x0E, 0xF0, 0x22, 0x7F, 0x05, 0x12,
-	0x17, 0x31, 0x12, 0x0E, 0x04, 0x12, 0x0E, 0x33,
-/*19A0*/0x74, 0x02, 0xF0, 0x74, 0x8E, 0xFE, 0x12, 0x0E,
-	0x04, 0x12, 0x0E, 0x0B, 0xEF, 0xF0, 0x75, 0x15,
-/*19B0*/0x70, 0x12, 0x0F, 0xF7, 0x20, 0x34, 0x05, 0x75,
-	0x15, 0x10, 0x80, 0x03, 0x75, 0x15, 0x50, 0x12,
-/*19C0*/0x0F, 0xF7, 0x20, 0x34, 0x04, 0x74, 0x10, 0x80,
-	0x02, 0x74, 0xF0, 0x25, 0x15, 0xF5, 0x15, 0x12,
-/*19D0*/0x0E, 0x21, 0xEF, 0xF0, 0x12, 0x10, 0x91, 0x20,
-	0x34, 0x17, 0xE5, 0x15, 0x64, 0x30, 0x60, 0x0C,
-/*19E0*/0x74, 0x10, 0x25, 0x15, 0xF5, 0x15, 0xB4, 0x80,
-	0x03, 0xE4, 0xF5, 0x15, 0x12, 0x0E, 0x21, 0xEF,
-/*19F0*/0xF0, 0x22, 0xF0, 0xE5, 0x0B, 0x25, 0xE0, 0x25,
-	0xE0, 0x24, 0x82, 0xF5, 0x82, 0xE4, 0x34, 0x07,
-/*1A00*/0xF5, 0x83, 0x22, 0x74, 0x88, 0xFE, 0xE5, 0x08,
-	0x44, 0x07, 0xFF, 0xF5, 0x82, 0x8E, 0x83, 0xE0,
-/*1A10*/0x22, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82,
-	0x22, 0xF0, 0xE0, 0x54, 0xC0, 0x8F, 0x82, 0x8E,
-/*1A20*/0x83, 0xF0, 0x22, 0xEF, 0x44, 0x07, 0xF5, 0x82,
-	0x75, 0x83, 0x86, 0xE0, 0x54, 0x10, 0xD3, 0x94,
-/*1A30*/0x00, 0x22, 0xF0, 0x90, 0x07, 0x15, 0xE0, 0x04,
-	0xF0, 0x22, 0x44, 0x06, 0xF5, 0x82, 0x75, 0x83,
-/*1A40*/0x9E, 0xE0, 0x22, 0xFE, 0xEF, 0x44, 0x07, 0xF5,
-	0x82, 0x8E, 0x83, 0xE0, 0x22, 0xE4, 0x90, 0x07,
-/*1A50*/0x2A, 0xF0, 0xA3, 0xF0, 0x12, 0x07, 0x2A, 0x75,
-	0x83, 0x82, 0xE0, 0x54, 0x7F, 0x12, 0x07, 0x29,
-/*1A60*/0xE0, 0x44, 0x80, 0xF0, 0x12, 0x10, 0xFC, 0x12,
-	0x08, 0x1F, 0x75, 0x83, 0xA0, 0xE0, 0x20, 0xE0,
-/*1A70*/0x1A, 0x90, 0x07, 0x2B, 0xE0, 0x04, 0xF0, 0x70,
-	0x06, 0x90, 0x07, 0x2A, 0xE0, 0x04, 0xF0, 0x90,
-/*1A80*/0x07, 0x2A, 0xE0, 0xB4, 0x10, 0xE1, 0xA3, 0xE0,
-	0xB4, 0x00, 0xDC, 0xEE, 0x44, 0xA6, 0xFC, 0xEF,
-/*1A90*/0x44, 0x07, 0xF5, 0x82, 0x8C, 0x83, 0xE0, 0xF5,
-	0x32, 0xEE, 0x44, 0xA8, 0xFE, 0xEF, 0x44, 0x07,
-/*1AA0*/0xF5, 0x82, 0x8E, 0x83, 0xE0, 0xF5, 0x33, 0x22,
-	0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x90,
-/*1AB0*/0x00, 0x20, 0x0F, 0x92, 0x00, 0x21, 0x0F, 0x94,
-	0x00, 0x22, 0x0F, 0x96, 0x00, 0x23, 0x0F, 0x98,
-/*1AC0*/0x00, 0x24, 0x0F, 0x9A, 0x00, 0x25, 0x0F, 0x9C,
-	0x00, 0x26, 0x0F, 0x9E, 0x00, 0x27, 0x0F, 0xA0,
-/*1AD0*/0x01, 0x20, 0x01, 0xA2, 0x01, 0x21, 0x01, 0xA4,
-	0x01, 0x22, 0x01, 0xA6, 0x01, 0x23, 0x01, 0xA8,
-/*1AE0*/0x01, 0x24, 0x01, 0xAA, 0x01, 0x25, 0x01, 0xAC,
-	0x01, 0x26, 0x01, 0xAE, 0x01, 0x27, 0x01, 0xB0,
-/*1AF0*/0x01, 0x28, 0x01, 0xB4, 0x00, 0x28, 0x0F, 0xB6,
-	0x40, 0x28, 0x0F, 0xB8, 0x61, 0x28, 0x01, 0xCB,
-/*1B00*/0xEF, 0xCB, 0xCA, 0xEE, 0xCA, 0x7F, 0x01, 0xE4,
-	0xFD, 0xEB, 0x4A, 0x70, 0x24, 0xE5, 0x08, 0xF5,
-/*1B10*/0x82, 0x74, 0xB6, 0x12, 0x08, 0x29, 0xE5, 0x08,
-	0xF5, 0x82, 0x74, 0xB8, 0x12, 0x08, 0x29, 0xE5,
-/*1B20*/0x08, 0xF5, 0x82, 0x74, 0xBA, 0x12, 0x08, 0x29,
-	0x7E, 0x00, 0x7C, 0x00, 0x12, 0x0A, 0xFF, 0x80,
-/*1B30*/0x12, 0x90, 0x07, 0x26, 0x12, 0x07, 0x35, 0xE5,
-	0x41, 0xF0, 0x90, 0x07, 0x24, 0x12, 0x07, 0x35,
-/*1B40*/0xE5, 0x40, 0xF0, 0x12, 0x07, 0x2A, 0x75, 0x83,
-	0x8E, 0xE4, 0x12, 0x07, 0x29, 0x74, 0x01, 0x12,
-/*1B50*/0x07, 0x29, 0xE4, 0xF0, 0x22, 0xE4, 0xF5, 0x26,
-	0xF5, 0x27, 0x53, 0xE1, 0xFE, 0xF5, 0x2A, 0x75,
-/*1B60*/0x2B, 0x01, 0xF5, 0x08, 0x7F, 0x01, 0x12, 0x17,
-	0x31, 0x30, 0x30, 0x1C, 0x90, 0x1A, 0xA9, 0xE4,
-/*1B70*/0x93, 0xF5, 0x10, 0x90, 0x1F, 0xF9, 0xE4, 0x93,
-	0xF5, 0x10, 0x90, 0x00, 0x41, 0xE4, 0x93, 0xF5,
-/*1B80*/0x10, 0x90, 0x1E, 0xCA, 0xE4, 0x93, 0xF5, 0x10,
-	0x7F, 0x02, 0x12, 0x17, 0x31, 0x12, 0x0F, 0x54,
-/*1B90*/0x7F, 0x03, 0x12, 0x17, 0x31, 0x12, 0x00, 0x06,
-	0xE5, 0xE2, 0x30, 0xE7, 0x09, 0x12, 0x10, 0x00,
-/*1BA0*/0x30, 0x30, 0x03, 0x12, 0x11, 0x00, 0x02, 0x00,
-	0x47, 0x12, 0x08, 0x1F, 0x75, 0x83, 0xD0, 0xE0,
-/*1BB0*/0xC4, 0x54, 0x0F, 0xFD, 0x75, 0x43, 0x01, 0x75,
-	0x44, 0xFF, 0x12, 0x08, 0xAA, 0x74, 0x04, 0xF0,
-/*1BC0*/0x75, 0x3B, 0x01, 0xED, 0x14, 0x60, 0x0C, 0x14,
-	0x60, 0x0B, 0x14, 0x60, 0x0F, 0x24, 0x03, 0x70,
-/*1BD0*/0x0B, 0x80, 0x09, 0x80, 0x00, 0x12, 0x08, 0xA7,
-	0x04, 0xF0, 0x80, 0x06, 0x12, 0x08, 0xA7, 0x74,
-/*1BE0*/0x04, 0xF0, 0xEE, 0x44, 0x82, 0xFE, 0xEF, 0x44,
-	0x07, 0xF5, 0x82, 0x8E, 0x83, 0xE5, 0x45, 0x12,
-/*1BF0*/0x08, 0xBE, 0x75, 0x83, 0x82, 0xE5, 0x31, 0xF0,
-	0x02, 0x11, 0x4C, 0x8E, 0x60, 0x8F, 0x61, 0x12,
-/*1C00*/0x1E, 0xA5, 0xE4, 0xFF, 0xCE, 0xED, 0xCE, 0xEE,
-	0xD3, 0x95, 0x61, 0xE5, 0x60, 0x12, 0x07, 0x6B,
-/*1C10*/0x40, 0x39, 0x74, 0x20, 0x2E, 0xF5, 0x82, 0xE4,
-	0x34, 0x03, 0xF5, 0x83, 0xE0, 0x70, 0x03, 0xFF,
-/*1C20*/0x80, 0x26, 0x12, 0x08, 0xE2, 0xFD, 0xC3, 0x9F,
-	0x40, 0x1E, 0xCF, 0xED, 0xCF, 0xEB, 0x4A, 0x70,
-/*1C30*/0x0B, 0x8D, 0x42, 0x12, 0x08, 0xEE, 0xF5, 0x41,
-	0x8E, 0x40, 0x80, 0x0C, 0x12, 0x08, 0xE2, 0xF5,
-/*1C40*/0x38, 0x12, 0x08, 0xEE, 0xF5, 0x39, 0x8E, 0x3A,
-	0x1E, 0x80, 0xBC, 0x22, 0x75, 0x58, 0x01, 0xE5,
-/*1C50*/0x35, 0x70, 0x0C, 0x12, 0x07, 0xCC, 0xE0, 0xF5,
-	0x4A, 0x12, 0x07, 0xD8, 0xE0, 0xF5, 0x4C, 0xE5,
-/*1C60*/0x35, 0xB4, 0x04, 0x0C, 0x12, 0x07, 0xE4, 0xE0,
-	0xF5, 0x4A, 0x12, 0x07, 0xF0, 0xE0, 0xF5, 0x4C,
-/*1C70*/0xE5, 0x35, 0xB4, 0x01, 0x04, 0x7F, 0x01, 0x80,
-	0x02, 0x7F, 0x00, 0xE5, 0x35, 0xB4, 0x02, 0x04,
-/*1C80*/0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F,
-	0x60, 0x0C, 0x12, 0x07, 0xFC, 0xE0, 0xF5, 0x4A,
-/*1C90*/0x12, 0x08, 0x08, 0xE0, 0xF5, 0x4C, 0x85, 0x41,
-	0x49, 0x85, 0x40, 0x4B, 0x22, 0x75, 0x5B, 0x01,
-/*1CA0*/0x90, 0x07, 0x24, 0x12, 0x07, 0x35, 0xE0, 0x54,
-	0x1F, 0xFF, 0xD3, 0x94, 0x02, 0x50, 0x04, 0x8F,
-/*1CB0*/0x58, 0x80, 0x05, 0xEF, 0x24, 0xFE, 0xF5, 0x58,
-	0xEF, 0xC3, 0x94, 0x18, 0x40, 0x05, 0x75, 0x59,
-/*1CC0*/0x18, 0x80, 0x04, 0xEF, 0x04, 0xF5, 0x59, 0x85,
-	0x43, 0x5A, 0xAF, 0x58, 0x7E, 0x00, 0xAD, 0x59,
-/*1CD0*/0x7C, 0x00, 0xAB, 0x5B, 0x7A, 0x00, 0x12, 0x15,
-	0x41, 0xAF, 0x5A, 0x7E, 0x00, 0x12, 0x18, 0x0A,
-/*1CE0*/0xAF, 0x5B, 0x7E, 0x00, 0x02, 0x1A, 0xFF, 0xE5,
-	0xE2, 0x30, 0xE7, 0x0E, 0x12, 0x10, 0x03, 0xC2,
-/*1CF0*/0x30, 0x30, 0x30, 0x03, 0x12, 0x10, 0xFF, 0x20,
-	0x33, 0x28, 0xE5, 0xE7, 0x30, 0xE7, 0x05, 0x12,
-/*1D00*/0x0E, 0xA2, 0x80, 0x0D, 0xE5, 0xFE, 0xC3, 0x94,
-	0x20, 0x50, 0x06, 0x12, 0x0E, 0xA2, 0x43, 0xF9,
-/*1D10*/0x08, 0xE5, 0xF2, 0x30, 0xE7, 0x03, 0x53, 0xF9,
-	0x7F, 0xE5, 0xF1, 0x54, 0x70, 0xD3, 0x94, 0x00,
-/*1D20*/0x50, 0xD8, 0x22, 0x12, 0x0E, 0x04, 0x75, 0x83,
-	0x80, 0xE4, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0x12,
-/*1D30*/0x0D, 0xFD, 0x75, 0x83, 0x84, 0x12, 0x0E, 0x02,
-	0x75, 0x83, 0x86, 0x12, 0x0E, 0x02, 0x75, 0x83,
-/*1D40*/0x8C, 0xE0, 0x54, 0xF3, 0x12, 0x0E, 0x03, 0x75,
-	0x83, 0x8E, 0x12, 0x0E, 0x02, 0x75, 0x83, 0x94,
-/*1D50*/0xE0, 0x54, 0xFB, 0xF0, 0x22, 0x12, 0x07, 0x2A,
-	0x75, 0x83, 0x8E, 0xE4, 0x12, 0x07, 0x29, 0x74,
-/*1D60*/0x01, 0x12, 0x07, 0x29, 0xE4, 0x12, 0x08, 0xBE,
-	0x75, 0x83, 0x8C, 0xE0, 0x44, 0x20, 0x12, 0x08,
-/*1D70*/0xBE, 0xE0, 0x54, 0xDF, 0xF0, 0x74, 0x84, 0x85,
-	0x08, 0x82, 0xF5, 0x83, 0xE0, 0x54, 0x7F, 0xF0,
-/*1D80*/0xE0, 0x44, 0x80, 0xF0, 0x22, 0x75, 0x56, 0x01,
-	0xE4, 0xFD, 0xF5, 0x57, 0xAF, 0x35, 0xFE, 0xFC,
-/*1D90*/0x12, 0x09, 0x15, 0x12, 0x1C, 0x9D, 0x12, 0x1E,
-	0x7A, 0x12, 0x1C, 0x4C, 0xAF, 0x57, 0x7E, 0x00,
-/*1DA0*/0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44, 0xAF,
-	0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0x75, 0x56,
-/*1DB0*/0x01, 0xE4, 0xFD, 0xF5, 0x57, 0xAF, 0x35, 0xFE,
-	0xFC, 0x12, 0x09, 0x15, 0x12, 0x1C, 0x9D, 0x12,
-/*1DC0*/0x1E, 0x7A, 0x12, 0x1C, 0x4C, 0xAF, 0x57, 0x7E,
-	0x00, 0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44,
-/*1DD0*/0xAF, 0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0xE4,
-	0xF5, 0x16, 0x12, 0x0E, 0x44, 0xFE, 0xE5, 0x08,
-/*1DE0*/0x44, 0x05, 0xFF, 0x12, 0x0E, 0x65, 0x8F, 0x82,
-	0x8E, 0x83, 0xF0, 0x05, 0x16, 0xE5, 0x16, 0xC3,
-/*1DF0*/0x94, 0x14, 0x40, 0xE6, 0xE5, 0x08, 0x12, 0x0E,
-	0x2B, 0xE4, 0xF0, 0x22, 0xE4, 0xF5, 0x58, 0xF5,
-/*1E00*/0x59, 0xF5, 0x5A, 0xFF, 0xFE, 0xAD, 0x58, 0xFC,
-	0x12, 0x09, 0x15, 0x7F, 0x04, 0x7E, 0x00, 0xAD,
-/*1E10*/0x58, 0x7C, 0x00, 0x12, 0x09, 0x15, 0x7F, 0x02,
-	0x7E, 0x00, 0xAD, 0x58, 0x7C, 0x00, 0x02, 0x09,
-/*1E20*/0x15, 0xE5, 0x3C, 0x25, 0x3E, 0xFC, 0xE5, 0x42,
-	0x24, 0x00, 0xFB, 0xE4, 0x33, 0xFA, 0xEC, 0xC3,
-/*1E30*/0x9B, 0xEA, 0x12, 0x07, 0x6B, 0x40, 0x0B, 0x8C,
-	0x42, 0xE5, 0x3D, 0x25, 0x3F, 0xF5, 0x41, 0x8F,
-/*1E40*/0x40, 0x22, 0x12, 0x09, 0x0B, 0x22, 0x74, 0x84,
-	0xF5, 0x18, 0x85, 0x08, 0x19, 0x85, 0x19, 0x82,
-/*1E50*/0x85, 0x18, 0x83, 0xE0, 0x54, 0x7F, 0xF0, 0xE0,
-	0x44, 0x80, 0xF0, 0xE0, 0x44, 0x80, 0xF0, 0x22,
-/*1E60*/0xEF, 0x4E, 0x70, 0x0B, 0x12, 0x07, 0x2A, 0x75,
-	0x83, 0xD2, 0xE0, 0x54, 0xDF, 0xF0, 0x22, 0x12,
-/*1E70*/0x07, 0x2A, 0x75, 0x83, 0xD2, 0xE0, 0x44, 0x20,
-	0xF0, 0x22, 0x75, 0x58, 0x01, 0x90, 0x07, 0x26,
-/*1E80*/0x12, 0x07, 0x35, 0xE0, 0x54, 0x3F, 0xF5, 0x41,
-	0x12, 0x07, 0x32, 0xE0, 0x54, 0x3F, 0xF5, 0x40,
-/*1E90*/0x22, 0x75, 0x56, 0x02, 0xE4, 0xF5, 0x57, 0x12,
-	0x1D, 0xFC, 0xAF, 0x57, 0x7E, 0x00, 0xAD, 0x56,
-/*1EA0*/0x7C, 0x00, 0x02, 0x04, 0x44, 0xE4, 0xF5, 0x42,
-	0xF5, 0x41, 0xF5, 0x40, 0xF5, 0x38, 0xF5, 0x39,
-/*1EB0*/0xF5, 0x3A, 0x22, 0xEF, 0x54, 0x07, 0xFF, 0xE5,
-	0xF9, 0x54, 0xF8, 0x4F, 0xF5, 0xF9, 0x22, 0x7F,
-/*1EC0*/0x01, 0xE4, 0xFE, 0x0F, 0x0E, 0xBE, 0xFF, 0xFB,
-	0x22, 0x01, 0x20, 0x00, 0x01, 0x04, 0x20, 0x00,
-/*1ED0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1EE0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1EF0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F00*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F10*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F20*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F30*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F40*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F50*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F60*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F70*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F80*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1F90*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1FA0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1FB0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1FC0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1FD0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1FE0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/*1FF0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x81
-};
-
-int ipath_sd7220_ib_load(struct ipath_devdata *dd)
-{
-	return ipath_sd7220_prog_ld(dd, IB_7220_SERDES, ipath_sd7220_ib_img,
-		sizeof(ipath_sd7220_ib_img), 0);
-}
-
-int ipath_sd7220_ib_vfy(struct ipath_devdata *dd)
-{
-	return ipath_sd7220_prog_vfy(dd, IB_7220_SERDES, ipath_sd7220_ib_img,
-		sizeof(ipath_sd7220_ib_img), 0);
-}

From bd45b7a385c5ffd82c11a1d51880be18559e5ad9 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 23 May 2010 08:14:45 +0200
Subject: [PATCH 2832/3638] timekeeping: Fix timezone update

commit 64ce4c2f (time: Clean up warp_clock()) breaks the timezone
update in a very subtle way. To avoid the direct access to timekeeping
internals it adds the timezone delta to the current time with
timespec_add_safe(). This works nicely when the timezone delta is > 0.
If timezone delta is < 0 then the wrap check in timespec_add_safe()
triggers and timespec_add_safe() returns TIME_MAX and screws up
timekeeping completely.

The comment above timespec_add_safe() says:
    It's assumed that both values are valid (>= 0)

Add the timezone seconds adjustment directly.

Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/time.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/time.c b/kernel/time.c
index 50612faa9ba..848b1c2ab09 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -132,10 +132,10 @@ SYSCALL_DEFINE2(gettimeofday, struct timeval __user *, tv,
  */
 static inline void warp_clock(void)
 {
-	struct timespec delta, adjust;
-	delta.tv_sec = sys_tz.tz_minuteswest * 60;
-	delta.tv_nsec = 0;
-	adjust = timespec_add_safe(current_kernel_time(), delta);
+	struct timespec adjust;
+
+	adjust = current_kernel_time();
+	adjust.tv_sec += sys_tz.tz_minuteswest * 60;
 	do_settimeofday(&adjust);
 }
 

From f00e047efdf9d31c8a7dd7875b411f97cfa7d8e5 Mon Sep 17 00:00:00 2001
From: Jeff Chua <jeff.chua.linux@gmail.com>
Date: Mon, 24 May 2010 07:16:24 +0800
Subject: [PATCH 2833/3638] timers: Fix slack calculation for expired timers

commit 3bbb9ec946 (timers: Introduce the concept of timer slack for
legacy timers) does not take the case into account when the timer is
already expired. This broke wireless drivers.

The solution is not to apply slack to already expired timers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Arjan van de Ven <arjan@linux.intel.com>
---
 kernel/timer.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/timer.c b/kernel/timer.c
index 9199f3c5221..be394af5bc2 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -750,13 +750,14 @@ unsigned long apply_slack(struct timer_list *timer, unsigned long expires)
 	unsigned long expires_limit, mask;
 	int bit;
 
-	expires_limit = expires + timer->slack;
+	expires_limit = expires;
 
-	if (timer->slack < 0) /* auto slack: use 0.4% */
+	if (timer->slack > -1)
+		expires_limit = expires + timer->slack;
+	else if (time_after(expires, jiffies)) /* auto slack: use 0.4% */
 		expires_limit = expires + (expires - jiffies)/256;
 
 	mask = expires ^ expires_limit;
-
 	if (mask == 0)
 		return expires;
 

From eea7feb072f5914ecafa95b3d83be0c229244d90 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 13 May 2010 22:14:53 +0200
Subject: [PATCH 2834/3638] ocfs2: Fix use after free on remount read-only

We also have to cancel quota syncing thread on remount read only because
at that moment quota is being turned off. Otherwise quota syncing thread
will try to access already freed quota structures.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ocfs2/super.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 2c26ce251cb..66f9984a983 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -883,9 +883,15 @@ static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend)
 					sb_dqopt(sb)->files[type],
 					type, QFMT_OCFS2,
 					DQUOT_SUSPENDED);
-		else
+		else {
+			struct ocfs2_mem_dqinfo *oinfo;
+
+			/* Cancel periodic syncing before suspending */
+			oinfo = sb_dqinfo(sb, type)->dqi_priv;
+			cancel_delayed_work_sync(&oinfo->dqi_sync_work);
 			status = vfs_quota_disable(sb, type,
 						   DQUOT_SUSPENDED);
+		}
 		if (status < 0)
 			break;
 	}

From c79d967de3741ceb60c5bbbf1b6f97eab9a89838 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 19 May 2010 07:16:40 -0400
Subject: [PATCH 2835/3638] quota: move remount handling into the filesystem

Currently do_remount_sb calls into the dquot code to tell it about going
from rw to ro and ro to rw.  Move this code into the filesystem to
not depend on the dquot code in the VFS - note ocfs2 already ignores
these calls and handles remount by itself.  This gets rid of overloading
the quotactl calls and allows to unify the VFS and XFS codepaths in
that area later.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c     | 13 +++++++++++++
 fs/ext3/super.c     | 11 +++++++++++
 fs/ext4/super.c     | 10 ++++++++++
 fs/jfs/super.c      | 10 ++++++++++
 fs/reiserfs/super.c |  8 ++++++++
 fs/super.c          |  9 ++-------
 fs/udf/super.c      | 25 ++++++++++++++++++-------
 fs/ufs/super.c      | 12 ++++++++++++
 8 files changed, 84 insertions(+), 14 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 71e9eb1fa69..73346de9af5 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1241,6 +1241,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 			spin_unlock(&sbi->s_lock);
 			return 0;
 		}
+
 		/*
 		 * OK, we are remounting a valid rw partition rdonly, so set
 		 * the rdonly flag and then mark the partition as valid again.
@@ -1248,6 +1249,14 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		es->s_state = cpu_to_le16(sbi->s_mount_state);
 		es->s_mtime = cpu_to_le32(get_seconds());
 		spin_unlock(&sbi->s_lock);
+
+		err = vfs_dq_off(sb, 1);
+		if (err < 0 && err != -ENOSYS) {
+			err = -EBUSY;
+			spin_lock(&sbi->s_lock);
+			goto restore_opts;
+		}
+
 		ext2_sync_super(sb, es, 1);
 	} else {
 		__le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb,
@@ -1269,8 +1278,12 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		if (!ext2_setup_super (sb, es, 0))
 			sb->s_flags &= ~MS_RDONLY;
 		spin_unlock(&sbi->s_lock);
+
 		ext2_write_super(sb);
+
+		vfs_dq_quota_on_remount(sb);
 	}
+
 	return 0;
 restore_opts:
 	sbi->s_mount_opt = old_opts.s_mount_opt;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 0fc1293d0e9..d0f8837b625 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2551,6 +2551,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
 	ext3_fsblk_t n_blocks_count = 0;
 	unsigned long old_sb_flags;
 	struct ext3_mount_options old_opts;
+	int enable_quota = 0;
 	int err;
 #ifdef CONFIG_QUOTA
 	int i;
@@ -2597,6 +2598,12 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
 		}
 
 		if (*flags & MS_RDONLY) {
+			err = vfs_dq_off(sb, 1);
+			if (err < 0 && err != -ENOSYS) {
+				err = -EBUSY;
+				goto restore_opts;
+			}
+
 			/*
 			 * First of all, the unconditional stuff we have to do
 			 * to disable replay of the journal when we next remount
@@ -2651,6 +2658,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
 				goto restore_opts;
 			if (!ext3_setup_super (sb, es, 0))
 				sb->s_flags &= ~MS_RDONLY;
+			enable_quota = 1;
 		}
 	}
 #ifdef CONFIG_QUOTA
@@ -2662,6 +2670,9 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
 #endif
 	unlock_super(sb);
 	unlock_kernel();
+
+	if (enable_quota)
+		vfs_dq_quota_on_remount(sb);
 	return 0;
 restore_opts:
 	sb->s_flags = old_sb_flags;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e14d22c170d..fb1e191d0fa 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3574,6 +3574,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 	ext4_fsblk_t n_blocks_count = 0;
 	unsigned long old_sb_flags;
 	struct ext4_mount_options old_opts;
+	int enable_quota = 0;
 	ext4_group_t g;
 	unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO;
 	int err;
@@ -3630,6 +3631,12 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 		}
 
 		if (*flags & MS_RDONLY) {
+			err = vfs_dq_off(sb, 1);
+			if (err < 0 && err != -ENOSYS) {
+				err = -EBUSY;
+				goto restore_opts;
+			}
+
 			/*
 			 * First of all, the unconditional stuff we have to do
 			 * to disable replay of the journal when we next remount
@@ -3698,6 +3705,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 				goto restore_opts;
 			if (!ext4_setup_super(sb, es, 0))
 				sb->s_flags &= ~MS_RDONLY;
+			enable_quota = 1;
 		}
 	}
 	ext4_setup_system_zone(sb);
@@ -3713,6 +3721,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 #endif
 	unlock_super(sb);
 	unlock_kernel();
+	if (enable_quota)
+		vfs_dq_quota_on_remount(sb);
 	return 0;
 
 restore_opts:
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index b66832ac33a..5329d66a970 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -396,10 +396,20 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
 
 		JFS_SBI(sb)->flag = flag;
 		ret = jfs_mount_rw(sb, 1);
+
+		/* mark the fs r/w for quota activity */
+		sb->s_flags &= ~MS_RDONLY;
+
 		unlock_kernel();
+		vfs_dq_quota_on_remount(sb);
 		return ret;
 	}
 	if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) {
+		rc = vfs_dq_off(sb, 1);
+		if (rc < 0 && rc != -ENOSYS) {
+			unlock_kernel();
+			return -EBUSY;
+		}
 		rc = jfs_umount_rw(sb);
 		JFS_SBI(sb)->flag = flag;
 		unlock_kernel();
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 59125fb36d4..49a8ba02bc1 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1242,6 +1242,13 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
 		if (s->s_flags & MS_RDONLY)
 			/* it is read-only already */
 			goto out_ok;
+
+		err = vfs_dq_off(s, 1);
+		if (err < 0 && err != -ENOSYS) {
+			err = -EBUSY;
+			goto out_err;
+		}
+
 		/* try to remount file system with read-only permissions */
 		if (sb_umount_state(rs) == REISERFS_VALID_FS
 		    || REISERFS_SB(s)->s_mount_state != REISERFS_VALID_FS) {
@@ -1295,6 +1302,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
 	s->s_dirt = 0;
 
 	if (!(*mount_flags & MS_RDONLY)) {
+		vfs_dq_quota_on_remount(s);
 		finish_unfinished(s);
 		reiserfs_xattr_init(s, *mount_flags);
 	}
diff --git a/fs/super.c b/fs/super.c
index 69688b15f1f..a38e6e9b6f6 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -524,7 +524,7 @@ rescan:
 int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 {
 	int retval;
-	int remount_rw, remount_ro;
+	int remount_ro;
 
 	if (sb->s_frozen != SB_UNFROZEN)
 		return -EBUSY;
@@ -540,7 +540,6 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 	sync_filesystem(sb);
 
 	remount_ro = (flags & MS_RDONLY) && !(sb->s_flags & MS_RDONLY);
-	remount_rw = !(flags & MS_RDONLY) && (sb->s_flags & MS_RDONLY);
 
 	/* If we are remounting RDONLY and current sb is read/write,
 	   make sure there are no rw files opened */
@@ -549,9 +548,6 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 			mark_files_ro(sb);
 		else if (!fs_may_remount_ro(sb))
 			return -EBUSY;
-		retval = vfs_dq_off(sb, 1);
-		if (retval < 0 && retval != -ENOSYS)
-			return -EBUSY;
 	}
 
 	if (sb->s_op->remount_fs) {
@@ -560,8 +556,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 			return retval;
 	}
 	sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK);
-	if (remount_rw)
-		vfs_dq_quota_on_remount(sb);
+
 	/*
 	 * Some filesystems modify their metadata via some other path than the
 	 * bdev buffer cache (eg. use a private mapping, or directories in
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 1e4543cbcd2..9ab4e259404 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -54,6 +54,7 @@
 #include <linux/vmalloc.h>
 #include <linux/errno.h>
 #include <linux/mount.h>
+#include <linux/quotaops.h>
 #include <linux/seq_file.h>
 #include <linux/bitmap.h>
 #include <linux/crc-itu-t.h>
@@ -557,6 +558,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
 {
 	struct udf_options uopt;
 	struct udf_sb_info *sbi = UDF_SB(sb);
+	int error = 0;
 
 	uopt.flags = sbi->s_flags;
 	uopt.uid   = sbi->s_uid;
@@ -582,17 +584,26 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
 			*flags |= MS_RDONLY;
 	}
 
-	if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
-		unlock_kernel();
-		return 0;
-	}
-	if (*flags & MS_RDONLY)
+	if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+		goto out_unlock;
+
+	if (*flags & MS_RDONLY) {
 		udf_close_lvid(sb);
-	else
+
+		error = vfs_dq_off(sb, 1);
+		if (error < 0 && error != -ENOSYS)
+			error = -EBUSY;
+	} else {
 		udf_open_lvid(sb);
 
+		/* mark the fs r/w for quota activity */
+		sb->s_flags &= ~MS_RDONLY;
+		vfs_dq_quota_on_remount(sb);
+	}
+
+out_unlock:
 	unlock_kernel();
-	return 0;
+	return error;
 }
 
 /* Check Volume Structure Descriptors (ECMA 167 2/9.1) */
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 14743d935a9..be1f7b05bc2 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1248,7 +1248,9 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
 	struct ufs_super_block_first * usb1;
 	struct ufs_super_block_third * usb3;
 	unsigned new_mount_opt, ufstype;
+	int enable_quota = 0;
 	unsigned flags;
+	int err;
 
 	lock_kernel();
 	lock_super(sb);
@@ -1289,6 +1291,13 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
 	 * fs was mouted as rw, remounting ro
 	 */
 	if (*mount_flags & MS_RDONLY) {
+		err = vfs_dq_off(sb, 1);
+		if (err < 0 && err != -ENOSYS) {
+			unlock_super(sb);
+			unlock_kernel();
+			return -EBUSY;
+		}
+
 		ufs_put_super_internal(sb);
 		usb1->fs_time = cpu_to_fs32(sb, get_seconds());
 		if ((flags & UFS_ST_MASK) == UFS_ST_SUN
@@ -1327,11 +1336,14 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
 			return -EPERM;
 		}
 		sb->s_flags &= ~MS_RDONLY;
+		enable_quota = 1;
 #endif
 	}
 	UFS_SB(sb)->s_mount_opt = new_mount_opt;
 	unlock_super(sb);
 	unlock_kernel();
+	if (enable_quota)
+		vfs_dq_quota_on_remount(sb);
 	return 0;
 }
 

From 0f0dd62fddcbd0f6830ed8ef3d3426ccc46b9250 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 19 May 2010 07:16:41 -0400
Subject: [PATCH 2836/3638] quota: kill the vfs_dq_off and
 vfs_dq_quota_on_remount wrappers

Instead of having wrappers in the VFS namespace export the dquot_suspend
and dquot_resume helpers directly.  Also rename vfs_quota_disable to
dquot_disable while we're at it.

[Jan Kara: Moved dquot_suspend to quotaops.h and made it inline]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c          |  7 ++--
 fs/ext3/super.c          |  8 ++--
 fs/ext4/super.c          |  8 ++--
 fs/jfs/super.c           |  8 ++--
 fs/ocfs2/super.c         | 14 +++----
 fs/quota/dquot.c         | 79 ++++++++++++++++++----------------------
 fs/reiserfs/super.c      |  8 ++--
 fs/udf/super.c           |  6 +--
 fs/ufs/super.c           |  8 ++--
 include/linux/quotaops.h | 31 ++++++++++++----
 10 files changed, 86 insertions(+), 91 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 73346de9af5..318ebc58bb7 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1250,9 +1250,8 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		es->s_mtime = cpu_to_le32(get_seconds());
 		spin_unlock(&sbi->s_lock);
 
-		err = vfs_dq_off(sb, 1);
-		if (err < 0 && err != -ENOSYS) {
-			err = -EBUSY;
+		err = dquot_suspend(sb, -1);
+		if (err < 0) {
 			spin_lock(&sbi->s_lock);
 			goto restore_opts;
 		}
@@ -1281,7 +1280,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 
 		ext2_write_super(sb);
 
-		vfs_dq_quota_on_remount(sb);
+		dquot_resume(sb, -1);
 	}
 
 	return 0;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index d0f8837b625..9d5e582b514 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2598,11 +2598,9 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
 		}
 
 		if (*flags & MS_RDONLY) {
-			err = vfs_dq_off(sb, 1);
-			if (err < 0 && err != -ENOSYS) {
-				err = -EBUSY;
+			err = dquot_suspend(sb, -1);
+			if (err < 0)
 				goto restore_opts;
-			}
 
 			/*
 			 * First of all, the unconditional stuff we have to do
@@ -2672,7 +2670,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
 	unlock_kernel();
 
 	if (enable_quota)
-		vfs_dq_quota_on_remount(sb);
+		dquot_resume(sb, -1);
 	return 0;
 restore_opts:
 	sb->s_flags = old_sb_flags;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index fb1e191d0fa..08d31101eb0 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3631,11 +3631,9 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 		}
 
 		if (*flags & MS_RDONLY) {
-			err = vfs_dq_off(sb, 1);
-			if (err < 0 && err != -ENOSYS) {
-				err = -EBUSY;
+			err = dquot_suspend(sb, -1);
+			if (err < 0)
 				goto restore_opts;
-			}
 
 			/*
 			 * First of all, the unconditional stuff we have to do
@@ -3722,7 +3720,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 	unlock_super(sb);
 	unlock_kernel();
 	if (enable_quota)
-		vfs_dq_quota_on_remount(sb);
+		dquot_resume(sb, -1);
 	return 0;
 
 restore_opts:
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 5329d66a970..b8a07d4c108 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -401,14 +401,14 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
 		sb->s_flags &= ~MS_RDONLY;
 
 		unlock_kernel();
-		vfs_dq_quota_on_remount(sb);
+		dquot_resume(sb, -1);
 		return ret;
 	}
 	if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) {
-		rc = vfs_dq_off(sb, 1);
-		if (rc < 0 && rc != -ENOSYS) {
+		rc = dquot_suspend(sb, -1);
+		if (rc < 0) {
 			unlock_kernel();
-			return -EBUSY;
+			return rc;
 		}
 		rc = jfs_umount_rw(sb);
 		JFS_SBI(sb)->flag = flag;
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 66f9984a983..0773873d590 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -879,18 +879,14 @@ static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend)
 		if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
 			continue;
 		if (unsuspend)
-			status = vfs_quota_enable(
-					sb_dqopt(sb)->files[type],
-					type, QFMT_OCFS2,
-					DQUOT_SUSPENDED);
+			status = dquot_resume(sb, type);
 		else {
 			struct ocfs2_mem_dqinfo *oinfo;
 
 			/* Cancel periodic syncing before suspending */
 			oinfo = sb_dqinfo(sb, type)->dqi_priv;
 			cancel_delayed_work_sync(&oinfo->dqi_sync_work);
-			status = vfs_quota_disable(sb, type,
-						   DQUOT_SUSPENDED);
+			status = dquot_suspend(sb, type);
 		}
 		if (status < 0)
 			break;
@@ -958,8 +954,8 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
 		/* Turn off quotas. This will remove all dquot structures from
 		 * memory and so they will be automatically synced to global
 		 * quota files */
-		vfs_quota_disable(sb, type, DQUOT_USAGE_ENABLED |
-					    DQUOT_LIMITS_ENABLED);
+		dquot_disable(sb, type, DQUOT_USAGE_ENABLED |
+					DQUOT_LIMITS_ENABLED);
 		if (!inode)
 			continue;
 		iput(inode);
@@ -989,7 +985,7 @@ static int ocfs2_quota_off(struct super_block *sb, int type, int remount)
 	if (remount)
 		return 0;	/* Ignore now and handle later in
 				 * ocfs2_remount() */
-	return vfs_quota_disable(sb, type, DQUOT_LIMITS_ENABLED);
+	return dquot_disable(sb, type, DQUOT_LIMITS_ENABLED);
 }
 
 static const struct quotactl_ops ocfs2_quotactl_ops = {
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 655a4c52b8c..cf972283e47 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1865,7 +1865,7 @@ EXPORT_SYMBOL(dquot_file_open);
 /*
  * Turn quota off on a device. type == -1 ==> quotaoff for all types (umount)
  */
-int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags)
+int dquot_disable(struct super_block *sb, int type, unsigned int flags)
 {
 	int cnt, ret = 0;
 	struct quota_info *dqopt = sb_dqopt(sb);
@@ -1995,14 +1995,16 @@ put_inodes:
 		}
 	return ret;
 }
-EXPORT_SYMBOL(vfs_quota_disable);
+EXPORT_SYMBOL(dquot_disable);
 
 int vfs_quota_off(struct super_block *sb, int type, int remount)
 {
-	return vfs_quota_disable(sb, type, remount ? DQUOT_SUSPENDED :
-				 (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED));
+	BUG_ON(remount);
+	return dquot_disable(sb, type,
+			     DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
 }
 EXPORT_SYMBOL(vfs_quota_off);
+
 /*
  *	Turn quotas on on a device
  */
@@ -2120,34 +2122,41 @@ out_fmt:
 }
 
 /* Reenable quotas on remount RW */
-static int vfs_quota_on_remount(struct super_block *sb, int type)
+int dquot_resume(struct super_block *sb, int type)
 {
 	struct quota_info *dqopt = sb_dqopt(sb);
 	struct inode *inode;
-	int ret;
+	int ret = 0, cnt;
 	unsigned int flags;
 
-	mutex_lock(&dqopt->dqonoff_mutex);
-	if (!sb_has_quota_suspended(sb, type)) {
-		mutex_unlock(&dqopt->dqonoff_mutex);
-		return 0;
-	}
-	inode = dqopt->files[type];
-	dqopt->files[type] = NULL;
-	spin_lock(&dq_state_lock);
-	flags = dqopt->flags & dquot_state_flag(DQUOT_USAGE_ENABLED |
-						DQUOT_LIMITS_ENABLED, type);
-	dqopt->flags &= ~dquot_state_flag(DQUOT_STATE_FLAGS, type);
-	spin_unlock(&dq_state_lock);
-	mutex_unlock(&dqopt->dqonoff_mutex);
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		if (type != -1 && cnt != type)
+			continue;
 
-	flags = dquot_generic_flag(flags, type);
-	ret = vfs_load_quota_inode(inode, type, dqopt->info[type].dqi_fmt_id,
-				   flags);
-	iput(inode);
+		mutex_lock(&dqopt->dqonoff_mutex);
+		if (!sb_has_quota_suspended(sb, cnt)) {
+			mutex_unlock(&dqopt->dqonoff_mutex);
+			continue;
+		}
+		inode = dqopt->files[cnt];
+		dqopt->files[cnt] = NULL;
+		spin_lock(&dq_state_lock);
+		flags = dqopt->flags & dquot_state_flag(DQUOT_USAGE_ENABLED |
+							DQUOT_LIMITS_ENABLED,
+							cnt);
+		dqopt->flags &= ~dquot_state_flag(DQUOT_STATE_FLAGS, cnt);
+		spin_unlock(&dq_state_lock);
+		mutex_unlock(&dqopt->dqonoff_mutex);
+
+		flags = dquot_generic_flag(flags, cnt);
+		ret = vfs_load_quota_inode(inode, cnt,
+				dqopt->info[cnt].dqi_fmt_id, flags);
+		iput(inode);
+	}
 
 	return ret;
 }
+EXPORT_SYMBOL(dquot_resume);
 
 int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
 		      struct path *path)
@@ -2172,8 +2181,7 @@ int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name,
 	struct path path;
 	int error;
 
-	if (remount)
-		return vfs_quota_on_remount(sb, type);
+	BUG_ON(remount);
 
 	error = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (!error) {
@@ -2196,8 +2204,8 @@ int vfs_quota_enable(struct inode *inode, int type, int format_id,
 	struct quota_info *dqopt = sb_dqopt(sb);
 
 	/* Just unsuspend quotas? */
-	if (flags & DQUOT_SUSPENDED)
-		return vfs_quota_on_remount(sb, type);
+	BUG_ON(flags & DQUOT_SUSPENDED);
+
 	if (!flags)
 		return 0;
 	/* Just updating flags needed? */
@@ -2263,23 +2271,6 @@ out:
 }
 EXPORT_SYMBOL(vfs_quota_on_mount);
 
-/* Wrapper to turn on quotas when remounting rw */
-int vfs_dq_quota_on_remount(struct super_block *sb)
-{
-	int cnt;
-	int ret = 0, err;
-
-	if (!sb->s_qcop || !sb->s_qcop->quota_on)
-		return -ENOSYS;
-	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		err = sb->s_qcop->quota_on(sb, cnt, 0, NULL, 1);
-		if (err < 0 && !ret)
-			ret = err;
-	}
-	return ret;
-}
-EXPORT_SYMBOL(vfs_dq_quota_on_remount);
-
 static inline qsize_t qbtos(qsize_t blocks)
 {
 	return blocks << QIF_DQBLKSIZE_BITS;
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 49a8ba02bc1..5dad5a2707b 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1243,11 +1243,9 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
 			/* it is read-only already */
 			goto out_ok;
 
-		err = vfs_dq_off(s, 1);
-		if (err < 0 && err != -ENOSYS) {
-			err = -EBUSY;
+		err = dquot_suspend(s, -1);
+		if (err < 0)
 			goto out_err;
-		}
 
 		/* try to remount file system with read-only permissions */
 		if (sb_umount_state(rs) == REISERFS_VALID_FS
@@ -1302,7 +1300,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
 	s->s_dirt = 0;
 
 	if (!(*mount_flags & MS_RDONLY)) {
-		vfs_dq_quota_on_remount(s);
+		dquot_resume(s, -1);
 		finish_unfinished(s);
 		reiserfs_xattr_init(s, *mount_flags);
 	}
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 9ab4e259404..b154c41a7a9 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -590,15 +590,13 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
 	if (*flags & MS_RDONLY) {
 		udf_close_lvid(sb);
 
-		error = vfs_dq_off(sb, 1);
-		if (error < 0 && error != -ENOSYS)
-			error = -EBUSY;
+		error = dquot_suspend(sb, -1);
 	} else {
 		udf_open_lvid(sb);
 
 		/* mark the fs r/w for quota activity */
 		sb->s_flags &= ~MS_RDONLY;
-		vfs_dq_quota_on_remount(sb);
+		dquot_resume(sb, -1);
 	}
 
 out_unlock:
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index be1f7b05bc2..495fdc1df7e 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1291,11 +1291,11 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
 	 * fs was mouted as rw, remounting ro
 	 */
 	if (*mount_flags & MS_RDONLY) {
-		err = vfs_dq_off(sb, 1);
-		if (err < 0 && err != -ENOSYS) {
+		err = dquot_suspend(sb, -1);
+		if (err < 0) {
 			unlock_super(sb);
 			unlock_kernel();
-			return -EBUSY;
+			return err;
 		}
 
 		ufs_put_super_internal(sb);
@@ -1343,7 +1343,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
 	unlock_super(sb);
 	unlock_kernel();
 	if (enable_quota)
-		vfs_dq_quota_on_remount(sb);
+		dquot_resume(sb, -1);
 	return 0;
 }
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 370abb1e99c..811529241e3 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -50,6 +50,14 @@ int dquot_alloc_inode(const struct inode *inode);
 int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
 void dquot_free_inode(const struct inode *inode);
 
+int dquot_disable(struct super_block *sb, int type, unsigned int flags);
+/* Suspend quotas on remount RO */
+static inline int dquot_suspend(struct super_block *sb, int type)
+{
+	return dquot_disable(sb, type, DQUOT_SUSPENDED);
+}
+int dquot_resume(struct super_block *sb, int type);
+
 int dquot_commit(struct dquot *dquot);
 int dquot_acquire(struct dquot *dquot);
 int dquot_release(struct dquot *dquot);
@@ -67,7 +75,6 @@ int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
 int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
  	int format_id, int type);
 int vfs_quota_off(struct super_block *sb, int type, int remount);
-int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags);
 int vfs_quota_sync(struct super_block *sb, int type, int wait);
 int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
@@ -78,7 +85,6 @@ int vfs_set_dqblk(struct super_block *sb, int type, qid_t id,
 
 int __dquot_transfer(struct inode *inode, struct dquot **transfer_to);
 int dquot_transfer(struct inode *inode, struct iattr *iattr);
-int vfs_dq_quota_on_remount(struct super_block *sb);
 
 static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
 {
@@ -231,11 +237,6 @@ static inline int vfs_dq_off(struct super_block *sb, int remount)
 	return 0;
 }
 
-static inline int vfs_dq_quota_on_remount(struct super_block *sb)
-{
-	return 0;
-}
-
 static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
 {
 	return 0;
@@ -262,6 +263,22 @@ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 	return 0;
 }
 
+static inline int dquot_disable(struct super_block *sb, int type,
+		unsigned int flags)
+{
+	return 0;
+}
+
+static inline int dquot_suspend(struct super_block *sb, int type)
+{
+	return 0;
+}
+
+static inline int dquot_resume(struct super_block *sb, int type)
+{
+	return 0;
+}
+
 #define dquot_file_open		generic_file_open
 
 #endif /* CONFIG_QUOTA */

From e0ccfd959cd8907bcb66cc2042e0f4fd7fcbff2b Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 19 May 2010 07:16:42 -0400
Subject: [PATCH 2837/3638] quota: move unmount handling into the filesystem

Currently the VFS calls into the quotactl interface for unmounting
filesystems.  This means filesystems with their own quota handling
can't easily distinguish between user-space originating quotaoff
and an unount.  Instead move the responsibily of the unmount handling
into the filesystem to be consistent with all other dquot handling.

Note that we do call dquot_disable a lot later now, e.g. after
a sync_filesystem.  But this is fine as the quota code does all its
writes via blockdev's mapping and that is synced even later.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c          |  2 ++
 fs/ext3/super.c          |  2 ++
 fs/ext4/super.c          |  2 ++
 fs/jfs/super.c           |  2 ++
 fs/reiserfs/super.c      |  2 ++
 fs/super.c               |  1 -
 fs/udf/super.c           |  2 ++
 fs/ufs/super.c           |  2 ++
 include/linux/quotaops.h | 15 ---------------
 9 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 318ebc58bb7..b9b77c3e7ae 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -119,6 +119,8 @@ static void ext2_put_super (struct super_block * sb)
 	int i;
 	struct ext2_sb_info *sbi = EXT2_SB(sb);
 
+	dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
+
 	if (sb->s_dirt)
 		ext2_write_super(sb);
 
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 9d5e582b514..b2f3715988b 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -410,6 +410,8 @@ static void ext3_put_super (struct super_block * sb)
 	struct ext3_super_block *es = sbi->s_es;
 	int i, err;
 
+	dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
+
 	lock_kernel();
 
 	ext3_xattr_put_super(sb);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 08d31101eb0..808aca3a22f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -645,6 +645,8 @@ static void ext4_put_super(struct super_block *sb)
 	struct ext4_super_block *es = sbi->s_es;
 	int i, err;
 
+	dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
+
 	flush_workqueue(sbi->dio_unwritten_wq);
 	destroy_workqueue(sbi->dio_unwritten_wq);
 
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index b8a07d4c108..7d940a3a3d9 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -179,6 +179,8 @@ static void jfs_put_super(struct super_block *sb)
 
 	jfs_info("In jfs_put_super");
 
+	dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
+
 	lock_kernel();
 
 	rc = jfs_umount(sb);
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 5dad5a2707b..08879af0af0 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -466,6 +466,8 @@ static void reiserfs_put_super(struct super_block *s)
 	struct reiserfs_transaction_handle th;
 	th.t_trans_id = 0;
 
+	dquot_disable(s, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
+
 	reiserfs_write_lock(s);
 
 	if (s->s_dirt)
diff --git a/fs/super.c b/fs/super.c
index a38e6e9b6f6..05f62e5d464 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -160,7 +160,6 @@ void deactivate_locked_super(struct super_block *s)
 {
 	struct file_system_type *fs = s->s_type;
 	if (atomic_dec_and_test(&s->s_active)) {
-		vfs_dq_off(s, 0);
 		fs->kill_sb(s);
 		put_filesystem(fs);
 		put_super(s);
diff --git a/fs/udf/super.c b/fs/udf/super.c
index b154c41a7a9..76a61566f29 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2102,6 +2102,8 @@ static void udf_put_super(struct super_block *sb)
 	int i;
 	struct udf_sb_info *sbi;
 
+	dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
+
 	sbi = UDF_SB(sb);
 
 	lock_kernel();
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 495fdc1df7e..d3977c7128e 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1227,6 +1227,8 @@ static void ufs_put_super(struct super_block *sb)
 		
 	UFSD("ENTER\n");
 
+	dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
+
 	if (sb->s_dirt)
 		ufs_write_super(sb);
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 811529241e3..cfa2abb1b6d 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -156,16 +156,6 @@ extern const struct quotactl_ops vfs_quotactl_ops;
 #define sb_dquot_ops (&dquot_operations)
 #define sb_quotactl_ops (&vfs_quotactl_ops)
 
-/* Cannot be called inside a transaction */
-static inline int vfs_dq_off(struct super_block *sb, int remount)
-{
-	int ret = -ENOSYS;
-
-	if (sb->s_qcop && sb->s_qcop->quota_off)
-		ret = sb->s_qcop->quota_off(sb, -1, remount);
-	return ret;
-}
-
 #else
 
 static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
@@ -232,11 +222,6 @@ static inline void dquot_free_inode(const struct inode *inode)
 {
 }
 
-static inline int vfs_dq_off(struct super_block *sb, int remount)
-{
-	return 0;
-}
-
 static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
 {
 	return 0;

From 307ae18a56e5b706056a2050d52e8cc01b5171c0 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 19 May 2010 07:16:43 -0400
Subject: [PATCH 2838/3638] quota: drop remount argument to ->quota_on and
 ->quota_off

Remount handling has fully moved into the filesystem, so all this is
superflous now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext3/super.c          |  9 +++------
 fs/ext4/super.c          |  9 +++------
 fs/ocfs2/super.c         | 10 ++--------
 fs/quota/dquot.c         |  8 ++------
 fs/quota/quota.c         |  4 ++--
 fs/reiserfs/super.c      | 10 ++++------
 include/linux/quota.h    |  4 ++--
 include/linux/quotaops.h |  4 ++--
 8 files changed, 20 insertions(+), 38 deletions(-)

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index b2f3715988b..e52006737b4 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -750,7 +750,7 @@ static int ext3_release_dquot(struct dquot *dquot);
 static int ext3_mark_dquot_dirty(struct dquot *dquot);
 static int ext3_write_info(struct super_block *sb, int type);
 static int ext3_quota_on(struct super_block *sb, int type, int format_id,
-				char *path, int remount);
+				char *path);
 static int ext3_quota_on_mount(struct super_block *sb, int type);
 static ssize_t ext3_quota_read(struct super_block *sb, int type, char *data,
 			       size_t len, loff_t off);
@@ -1529,7 +1529,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
 	/* Turn quotas off */
 	for (i = 0; i < MAXQUOTAS; i++) {
 		if (sb_dqopt(sb)->files[i])
-			vfs_quota_off(sb, i, 0);
+			vfs_quota_off(sb, i);
 	}
 #endif
 	sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -2870,16 +2870,13 @@ static int ext3_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int ext3_quota_on(struct super_block *sb, int type, int format_id,
-			 char *name, int remount)
+			 char *name)
 {
 	int err;
 	struct path path;
 
 	if (!test_opt(sb, QUOTA))
 		return -EINVAL;
-	/* When remounting, no checks are needed and in fact, name is NULL */
-	if (remount)
-		return vfs_quota_on(sb, type, format_id, name, remount);
 
 	err = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (err)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 808aca3a22f..dfe9bf503f8 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1061,7 +1061,7 @@ static int ext4_release_dquot(struct dquot *dquot);
 static int ext4_mark_dquot_dirty(struct dquot *dquot);
 static int ext4_write_info(struct super_block *sb, int type);
 static int ext4_quota_on(struct super_block *sb, int type, int format_id,
-				char *path, int remount);
+				char *path);
 static int ext4_quota_on_mount(struct super_block *sb, int type);
 static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
 			       size_t len, loff_t off);
@@ -2053,7 +2053,7 @@ static void ext4_orphan_cleanup(struct super_block *sb,
 	/* Turn quotas off */
 	for (i = 0; i < MAXQUOTAS; i++) {
 		if (sb_dqopt(sb)->files[i])
-			vfs_quota_off(sb, i, 0);
+			vfs_quota_off(sb, i);
 	}
 #endif
 	sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -3924,16 +3924,13 @@ static int ext4_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int ext4_quota_on(struct super_block *sb, int type, int format_id,
-			 char *name, int remount)
+			 char *name)
 {
 	int err;
 	struct path path;
 
 	if (!test_opt(sb, QUOTA))
 		return -EINVAL;
-	/* When remounting, no checks are needed and in fact, name is NULL */
-	if (remount)
-		return vfs_quota_on(sb, type, format_id, name, remount);
 
 	err = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (err)
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 0773873d590..5367d6dee39 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -964,7 +964,7 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
 
 /* Handle quota on quotactl */
 static int ocfs2_quota_on(struct super_block *sb, int type, int format_id,
-			  char *path, int remount)
+			  char *path)
 {
 	unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
 					     OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
@@ -972,19 +972,13 @@ static int ocfs2_quota_on(struct super_block *sb, int type, int format_id,
 	if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
 		return -EINVAL;
 
-	if (remount)
-		return 0;	/* Just ignore it has been handled in
-				 * ocfs2_remount() */
 	return vfs_quota_enable(sb_dqopt(sb)->files[type], type,
 				    format_id, DQUOT_LIMITS_ENABLED);
 }
 
 /* Handle quota off quotactl */
-static int ocfs2_quota_off(struct super_block *sb, int type, int remount)
+static int ocfs2_quota_off(struct super_block *sb, int type)
 {
-	if (remount)
-		return 0;	/* Ignore now and handle later in
-				 * ocfs2_remount() */
 	return dquot_disable(sb, type, DQUOT_LIMITS_ENABLED);
 }
 
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index cf972283e47..b84422657f6 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1997,9 +1997,8 @@ put_inodes:
 }
 EXPORT_SYMBOL(dquot_disable);
 
-int vfs_quota_off(struct super_block *sb, int type, int remount)
+int vfs_quota_off(struct super_block *sb, int type)
 {
-	BUG_ON(remount);
 	return dquot_disable(sb, type,
 			     DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
 }
@@ -2175,14 +2174,11 @@ int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
 }
 EXPORT_SYMBOL(vfs_quota_on_path);
 
-int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name,
-		 int remount)
+int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name)
 {
 	struct path path;
 	int error;
 
-	BUG_ON(remount);
-
 	error = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (!error) {
 		error = vfs_quota_on_path(sb, type, format_id, &path);
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index ce3dfd066f5..b299961e1ed 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -73,7 +73,7 @@ static int quota_quotaon(struct super_block *sb, int type, int cmd, qid_t id,
 	if (IS_ERR(pathname))
 		return PTR_ERR(pathname);
 	if (sb->s_qcop->quota_on)
-		ret = sb->s_qcop->quota_on(sb, type, id, pathname, 0);
+		ret = sb->s_qcop->quota_on(sb, type, id, pathname);
 	putname(pathname);
 	return ret;
 }
@@ -260,7 +260,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
 	case Q_QUOTAOFF:
 		if (!sb->s_qcop->quota_off)
 			return -ENOSYS;
-		return sb->s_qcop->quota_off(sb, type, 0);
+		return sb->s_qcop->quota_off(sb, type);
 	case Q_GETFMT:
 		return quota_getfmt(sb, type, addr);
 	case Q_GETINFO:
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 08879af0af0..fa46abd0d95 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -305,7 +305,7 @@ static int finish_unfinished(struct super_block *s)
 	/* Turn quotas off */
 	for (i = 0; i < MAXQUOTAS; i++) {
 		if (sb_dqopt(s)->files[i])
-			vfs_quota_off(s, i, 0);
+			vfs_quota_off(s, i);
 	}
 	if (ms_active_set)
 		/* Restore the flag back */
@@ -622,7 +622,7 @@ static int reiserfs_acquire_dquot(struct dquot *);
 static int reiserfs_release_dquot(struct dquot *);
 static int reiserfs_mark_dquot_dirty(struct dquot *);
 static int reiserfs_write_info(struct super_block *, int);
-static int reiserfs_quota_on(struct super_block *, int, int, char *, int);
+static int reiserfs_quota_on(struct super_block *, int, int, char *);
 
 static const struct dquot_operations reiserfs_quota_operations = {
 	.write_dquot = reiserfs_write_dquot,
@@ -2038,7 +2038,7 @@ static int reiserfs_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
-			     char *name, int remount)
+			     char *name)
 {
 	int err;
 	struct path path;
@@ -2047,9 +2047,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 
 	if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA)))
 		return -EINVAL;
-	/* No more checks needed? Path and format_id are bogus anyway... */
-	if (remount)
-		return vfs_quota_on(sb, type, format_id, name, 1);
+
 	err = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (err)
 		return err;
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 7126a15467f..2789d07c37b 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -332,8 +332,8 @@ struct dquot_operations {
 
 /* Operations handling requests from userspace */
 struct quotactl_ops {
-	int (*quota_on)(struct super_block *, int, int, char *, int);
-	int (*quota_off)(struct super_block *, int, int);
+	int (*quota_on)(struct super_block *, int, int, char *);
+	int (*quota_off)(struct super_block *, int);
 	int (*quota_sync)(struct super_block *, int, int);
 	int (*get_info)(struct super_block *, int, struct if_dqinfo *);
 	int (*set_info)(struct super_block *, int, struct if_dqinfo *);
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index cfa2abb1b6d..a6592ddc349 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -67,14 +67,14 @@ int dquot_mark_dquot_dirty(struct dquot *dquot);
 int dquot_file_open(struct inode *inode, struct file *file);
 
 int vfs_quota_on(struct super_block *sb, int type, int format_id,
- 	char *path, int remount);
+	char *path);
 int vfs_quota_enable(struct inode *inode, int type, int format_id,
 	unsigned int flags);
 int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
  	struct path *path);
 int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
  	int format_id, int type);
-int vfs_quota_off(struct super_block *sb, int type, int remount);
+int vfs_quota_off(struct super_block *sb, int type);
 int vfs_quota_sync(struct super_block *sb, int type, int wait);
 int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);

From 123e9caf1e85008ab7eb5f6cd58c44f9a5d73b2b Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 19 May 2010 07:16:44 -0400
Subject: [PATCH 2839/3638] quota: explicitly set ->dq_op and ->s_qcop

Only set the quota operation vectors if the filesystem actually supports
quota instead of doing it for all filesystems in alloc_super().

[Jan Kara: Export dquot_operations and vfs_quotactl_ops]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c          | 6 ++++++
 fs/jfs/super.c           | 4 ++++
 fs/quota/dquot.c         | 3 ++-
 fs/super.c               | 3 ---
 fs/udf/super.c           | 6 +++++-
 fs/ufs/super.c           | 6 +++++-
 include/linux/quotaops.h | 9 ---------
 7 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index b9b77c3e7ae..df752b71b86 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1065,6 +1065,12 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_op = &ext2_sops;
 	sb->s_export_op = &ext2_export_ops;
 	sb->s_xattr = ext2_xattr_handlers;
+
+#ifdef CONFIG_QUOTA
+	sb->dq_op = &dquot_operations;
+	sb->s_qcop = &vfs_quotactl_ops;
+#endif
+
 	root = ext2_iget(sb, EXT2_ROOT_INO);
 	if (IS_ERR(root)) {
 		ret = PTR_ERR(root);
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 7d940a3a3d9..2e7ec5e8cda 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -481,6 +481,10 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
 	 */
 	sb->s_op = &jfs_super_operations;
 	sb->s_export_op = &jfs_export_operations;
+#ifdef CONFIG_QUOTA
+	sb->dq_op = &dquot_operations;
+	sb->s_qcop = &vfs_quotactl_ops;
+#endif
 
 	/*
 	 * Initialize direct-mapping inode/address-space
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index b84422657f6..9ba526e3f71 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1847,6 +1847,7 @@ const struct dquot_operations dquot_operations = {
 	.alloc_dquot	= dquot_alloc,
 	.destroy_dquot	= dquot_destroy,
 };
+EXPORT_SYMBOL(dquot_operations);
 
 /*
  * Generic helper for ->open on filesystems supporting disk quotas.
@@ -2491,7 +2492,7 @@ const struct quotactl_ops vfs_quotactl_ops = {
 	.get_dqblk	= vfs_get_dqblk,
 	.set_dqblk	= vfs_set_dqblk
 };
-
+EXPORT_SYMBOL(vfs_quotactl_ops);
 
 static int do_proc_dqstats(struct ctl_table *table, int write,
 		     void __user *buffer, size_t *lenp, loff_t *ppos)
diff --git a/fs/super.c b/fs/super.c
index 05f62e5d464..af9fd02185a 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -24,7 +24,6 @@
 #include <linux/slab.h>
 #include <linux/acct.h>
 #include <linux/blkdev.h>
-#include <linux/quotaops.h>
 #include <linux/mount.h>
 #include <linux/security.h>
 #include <linux/writeback.h>		/* for the emergency remount stuff */
@@ -94,8 +93,6 @@ static struct super_block *alloc_super(struct file_system_type *type)
 		init_rwsem(&s->s_dquot.dqptr_sem);
 		init_waitqueue_head(&s->s_wait_unfrozen);
 		s->s_maxbytes = MAX_NON_LFS;
-		s->dq_op = sb_dquot_ops;
-		s->s_qcop = sb_quotactl_ops;
 		s->s_op = &default_op;
 		s->s_time_gran = 1000000000;
 	}
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 76a61566f29..ef9221b7456 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1948,7 +1948,11 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 	/* Fill in the rest of the superblock */
 	sb->s_op = &udf_sb_ops;
 	sb->s_export_op = &udf_export_ops;
-	sb->dq_op = NULL;
+#ifdef CONFIG_QUOTA
+	sb->s_qcop = &vfs_quotactl_ops;
+	sb->dq_op = NULL; /* &dquot_operations */
+#endif
+
 	sb->s_dirt = 0;
 	sb->s_magic = UDF_SUPER_MAGIC;
 	sb->s_time_gran = 1000;
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index d3977c7128e..60c989b7012 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1045,7 +1045,11 @@ magic_found:
 	 */
 	sb->s_op = &ufs_super_ops;
 	sb->s_export_op = &ufs_export_ops;
-	sb->dq_op = NULL; /***/
+#ifdef CONFIG_QUOTA
+	sb->s_qcop = &vfs_quotactl_ops;
+	sb->dq_op = NULL; /* &dquot_operations */
+#endif
+
 	sb->s_magic = fs32_to_cpu(sb, usb3->fs_magic);
 
 	uspi->s_sblkno = fs32_to_cpu(sb, usb1->fs_sblkno);
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index a6592ddc349..84b8dbf59c0 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -153,9 +153,6 @@ static inline unsigned sb_any_quota_active(struct super_block *sb)
 extern const struct dquot_operations dquot_operations;
 extern const struct quotactl_ops vfs_quotactl_ops;
 
-#define sb_dquot_ops (&dquot_operations)
-#define sb_quotactl_ops (&vfs_quotactl_ops)
-
 #else
 
 static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
@@ -199,12 +196,6 @@ static inline int sb_any_quota_active(struct super_block *sb)
 	return 0;
 }
 
-/*
- * NO-OP when quota not configured.
- */
-#define sb_dquot_ops				(NULL)
-#define sb_quotactl_ops				(NULL)
-
 static inline void dquot_initialize(struct inode *inode)
 {
 }

From 287a80958cf63fc5c68d5bf6e89a3669dd66234a Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 19 May 2010 07:16:45 -0400
Subject: [PATCH 2840/3638] quota: rename default quotactl methods to dquot_

Follow the dquot_* style used elsewhere in dquot.c.

[Jan Kara: Fixed up missing conversion of ext2]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext2/super.c          |  2 +-
 fs/ext3/super.c          | 20 ++++++-------
 fs/ext4/super.c          | 20 ++++++-------
 fs/jfs/super.c           |  2 +-
 fs/ocfs2/super.c         | 18 +++++------
 fs/quota/dquot.c         | 64 ++++++++++++++++++++--------------------
 fs/reiserfs/super.c      | 20 ++++++-------
 fs/udf/super.c           |  2 +-
 fs/ufs/super.c           |  2 +-
 include/linux/quotaops.h | 22 +++++++-------
 10 files changed, 86 insertions(+), 86 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index df752b71b86..7ff43f4a59c 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1068,7 +1068,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 
 #ifdef CONFIG_QUOTA
 	sb->dq_op = &dquot_operations;
-	sb->s_qcop = &vfs_quotactl_ops;
+	sb->s_qcop = &dquot_quotactl_ops;
 #endif
 
 	root = ext2_iget(sb, EXT2_ROOT_INO);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index e52006737b4..6c953bb255e 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -769,12 +769,12 @@ static const struct dquot_operations ext3_quota_operations = {
 
 static const struct quotactl_ops ext3_qctl_operations = {
 	.quota_on	= ext3_quota_on,
-	.quota_off	= vfs_quota_off,
-	.quota_sync	= vfs_quota_sync,
-	.get_info	= vfs_get_dqinfo,
-	.set_info	= vfs_set_dqinfo,
-	.get_dqblk	= vfs_get_dqblk,
-	.set_dqblk	= vfs_set_dqblk
+	.quota_off	= dquot_quota_off,
+	.quota_sync	= dquot_quota_sync,
+	.get_info	= dquot_get_dqinfo,
+	.set_info	= dquot_set_dqinfo,
+	.get_dqblk	= dquot_get_dqblk,
+	.set_dqblk	= dquot_set_dqblk
 };
 #endif
 
@@ -1529,7 +1529,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
 	/* Turn quotas off */
 	for (i = 0; i < MAXQUOTAS; i++) {
 		if (sb_dqopt(sb)->files[i])
-			vfs_quota_off(sb, i);
+			dquot_quota_off(sb, i);
 	}
 #endif
 	sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -2862,8 +2862,8 @@ static int ext3_write_info(struct super_block *sb, int type)
  */
 static int ext3_quota_on_mount(struct super_block *sb, int type)
 {
-	return vfs_quota_on_mount(sb, EXT3_SB(sb)->s_qf_names[type],
-			EXT3_SB(sb)->s_jquota_fmt, type);
+	return dquot_quota_on_mount(sb, EXT3_SB(sb)->s_qf_names[type],
+					EXT3_SB(sb)->s_jquota_fmt, type);
 }
 
 /*
@@ -2914,7 +2914,7 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
 		}
 	}
 
-	err = vfs_quota_on_path(sb, type, format_id, &path);
+	err = dquot_quota_on_path(sb, type, format_id, &path);
 	path_put(&path);
 	return err;
 }
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index dfe9bf503f8..381e5a93126 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1083,12 +1083,12 @@ static const struct dquot_operations ext4_quota_operations = {
 
 static const struct quotactl_ops ext4_qctl_operations = {
 	.quota_on	= ext4_quota_on,
-	.quota_off	= vfs_quota_off,
-	.quota_sync	= vfs_quota_sync,
-	.get_info	= vfs_get_dqinfo,
-	.set_info	= vfs_set_dqinfo,
-	.get_dqblk	= vfs_get_dqblk,
-	.set_dqblk	= vfs_set_dqblk
+	.quota_off	= dquot_quota_off,
+	.quota_sync	= dquot_quota_sync,
+	.get_info	= dquot_get_dqinfo,
+	.set_info	= dquot_set_dqinfo,
+	.get_dqblk	= dquot_get_dqblk,
+	.set_dqblk	= dquot_set_dqblk
 };
 #endif
 
@@ -2053,7 +2053,7 @@ static void ext4_orphan_cleanup(struct super_block *sb,
 	/* Turn quotas off */
 	for (i = 0; i < MAXQUOTAS; i++) {
 		if (sb_dqopt(sb)->files[i])
-			vfs_quota_off(sb, i);
+			dquot_quota_off(sb, i);
 	}
 #endif
 	sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -3916,8 +3916,8 @@ static int ext4_write_info(struct super_block *sb, int type)
  */
 static int ext4_quota_on_mount(struct super_block *sb, int type)
 {
-	return vfs_quota_on_mount(sb, EXT4_SB(sb)->s_qf_names[type],
-				  EXT4_SB(sb)->s_jquota_fmt, type);
+	return dquot_quota_on_mount(sb, EXT4_SB(sb)->s_qf_names[type],
+					EXT4_SB(sb)->s_jquota_fmt, type);
 }
 
 /*
@@ -3969,7 +3969,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
 		}
 	}
 
-	err = vfs_quota_on_path(sb, type, format_id, &path);
+	err = dquot_quota_on_path(sb, type, format_id, &path);
 	path_put(&path);
 	return err;
 }
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 2e7ec5e8cda..b38f96bef82 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -483,7 +483,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_export_op = &jfs_export_operations;
 #ifdef CONFIG_QUOTA
 	sb->dq_op = &dquot_operations;
-	sb->s_qcop = &vfs_quotactl_ops;
+	sb->s_qcop = &dquot_quotactl_ops;
 #endif
 
 	/*
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 5367d6dee39..0eaa929a4db 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -918,8 +918,8 @@ static int ocfs2_enable_quotas(struct ocfs2_super *osb)
 			status = -ENOENT;
 			goto out_quota_off;
 		}
-		status = vfs_quota_enable(inode[type], type, QFMT_OCFS2,
-						DQUOT_USAGE_ENABLED);
+		status = dquot_enable(inode[type], type, QFMT_OCFS2,
+				      DQUOT_USAGE_ENABLED);
 		if (status < 0)
 			goto out_quota_off;
 	}
@@ -972,8 +972,8 @@ static int ocfs2_quota_on(struct super_block *sb, int type, int format_id,
 	if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
 		return -EINVAL;
 
-	return vfs_quota_enable(sb_dqopt(sb)->files[type], type,
-				    format_id, DQUOT_LIMITS_ENABLED);
+	return dquot_enable(sb_dqopt(sb)->files[type], type,
+			    format_id, DQUOT_LIMITS_ENABLED);
 }
 
 /* Handle quota off quotactl */
@@ -985,11 +985,11 @@ static int ocfs2_quota_off(struct super_block *sb, int type)
 static const struct quotactl_ops ocfs2_quotactl_ops = {
 	.quota_on	= ocfs2_quota_on,
 	.quota_off	= ocfs2_quota_off,
-	.quota_sync	= vfs_quota_sync,
-	.get_info	= vfs_get_dqinfo,
-	.set_info	= vfs_set_dqinfo,
-	.get_dqblk	= vfs_get_dqblk,
-	.set_dqblk	= vfs_set_dqblk,
+	.quota_sync	= dquot_quota_sync,
+	.get_info	= dquot_get_dqinfo,
+	.set_info	= dquot_set_dqinfo,
+	.get_dqblk	= dquot_get_dqblk,
+	.set_dqblk	= dquot_set_dqblk,
 };
 
 static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 9ba526e3f71..1914a2f6c84 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -584,7 +584,7 @@ out:
 }
 EXPORT_SYMBOL(dquot_scan_active);
 
-int vfs_quota_sync(struct super_block *sb, int type, int wait)
+int dquot_quota_sync(struct super_block *sb, int type, int wait)
 {
 	struct list_head *dirty;
 	struct dquot *dquot;
@@ -656,7 +656,7 @@ int vfs_quota_sync(struct super_block *sb, int type, int wait)
 
 	return 0;
 }
-EXPORT_SYMBOL(vfs_quota_sync);
+EXPORT_SYMBOL(dquot_quota_sync);
 
 /* Free unused dquots from cache */
 static void prune_dqcache(int count)
@@ -1998,12 +1998,12 @@ put_inodes:
 }
 EXPORT_SYMBOL(dquot_disable);
 
-int vfs_quota_off(struct super_block *sb, int type)
+int dquot_quota_off(struct super_block *sb, int type)
 {
 	return dquot_disable(sb, type,
 			     DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
 }
-EXPORT_SYMBOL(vfs_quota_off);
+EXPORT_SYMBOL(dquot_quota_off);
 
 /*
  *	Turn quotas on on a device
@@ -2158,7 +2158,7 @@ int dquot_resume(struct super_block *sb, int type)
 }
 EXPORT_SYMBOL(dquot_resume);
 
-int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
+int dquot_quota_on_path(struct super_block *sb, int type, int format_id,
 		      struct path *path)
 {
 	int error = security_quota_on(path->dentry);
@@ -2173,28 +2173,28 @@ int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
 					     DQUOT_LIMITS_ENABLED);
 	return error;
 }
-EXPORT_SYMBOL(vfs_quota_on_path);
+EXPORT_SYMBOL(dquot_quota_on_path);
 
-int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name)
+int dquot_quota_on(struct super_block *sb, int type, int format_id, char *name)
 {
 	struct path path;
 	int error;
 
 	error = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (!error) {
-		error = vfs_quota_on_path(sb, type, format_id, &path);
+		error = dquot_quota_on_path(sb, type, format_id, &path);
 		path_put(&path);
 	}
 	return error;
 }
-EXPORT_SYMBOL(vfs_quota_on);
+EXPORT_SYMBOL(dquot_quota_on);
 
 /*
  * More powerful function for turning on quotas allowing setting
  * of individual quota flags
  */
-int vfs_quota_enable(struct inode *inode, int type, int format_id,
-		unsigned int flags)
+int dquot_enable(struct inode *inode, int type, int format_id,
+		 unsigned int flags)
 {
 	int ret = 0;
 	struct super_block *sb = inode->i_sb;
@@ -2234,13 +2234,13 @@ out_lock:
 load_quota:
 	return vfs_load_quota_inode(inode, type, format_id, flags);
 }
-EXPORT_SYMBOL(vfs_quota_enable);
+EXPORT_SYMBOL(dquot_enable);
 
 /*
  * This function is used when filesystem needs to initialize quotas
  * during mount time.
  */
-int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
+int dquot_quota_on_mount(struct super_block *sb, char *qf_name,
 		int format_id, int type)
 {
 	struct dentry *dentry;
@@ -2266,7 +2266,7 @@ out:
 	dput(dentry);
 	return error;
 }
-EXPORT_SYMBOL(vfs_quota_on_mount);
+EXPORT_SYMBOL(dquot_quota_on_mount);
 
 static inline qsize_t qbtos(qsize_t blocks)
 {
@@ -2301,8 +2301,8 @@ static void do_get_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
 	spin_unlock(&dq_data_lock);
 }
 
-int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
-		  struct fs_disk_quota *di)
+int dquot_get_dqblk(struct super_block *sb, int type, qid_t id,
+		    struct fs_disk_quota *di)
 {
 	struct dquot *dquot;
 
@@ -2314,7 +2314,7 @@ int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
 
 	return 0;
 }
-EXPORT_SYMBOL(vfs_get_dqblk);
+EXPORT_SYMBOL(dquot_get_dqblk);
 
 #define VFS_FS_DQ_MASK \
 	(FS_DQ_BCOUNT | FS_DQ_BSOFT | FS_DQ_BHARD | \
@@ -2413,7 +2413,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
 	return 0;
 }
 
-int vfs_set_dqblk(struct super_block *sb, int type, qid_t id,
+int dquot_set_dqblk(struct super_block *sb, int type, qid_t id,
 		  struct fs_disk_quota *di)
 {
 	struct dquot *dquot;
@@ -2429,10 +2429,10 @@ int vfs_set_dqblk(struct super_block *sb, int type, qid_t id,
 out:
 	return rc;
 }
-EXPORT_SYMBOL(vfs_set_dqblk);
+EXPORT_SYMBOL(dquot_set_dqblk);
 
 /* Generic routine for getting common part of quota file information */
-int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
+int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
 {
 	struct mem_dqinfo *mi;
   
@@ -2451,10 +2451,10 @@ int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
 	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
 	return 0;
 }
-EXPORT_SYMBOL(vfs_get_dqinfo);
+EXPORT_SYMBOL(dquot_get_dqinfo);
 
 /* Generic routine for setting common part of quota file information */
-int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
+int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
 {
 	struct mem_dqinfo *mi;
 	int err = 0;
@@ -2481,18 +2481,18 @@ out:
 	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
 	return err;
 }
-EXPORT_SYMBOL(vfs_set_dqinfo);
+EXPORT_SYMBOL(dquot_set_dqinfo);
 
-const struct quotactl_ops vfs_quotactl_ops = {
-	.quota_on	= vfs_quota_on,
-	.quota_off	= vfs_quota_off,
-	.quota_sync	= vfs_quota_sync,
-	.get_info	= vfs_get_dqinfo,
-	.set_info	= vfs_set_dqinfo,
-	.get_dqblk	= vfs_get_dqblk,
-	.set_dqblk	= vfs_set_dqblk
+const struct quotactl_ops dquot_quotactl_ops = {
+	.quota_on	= dquot_quota_on,
+	.quota_off	= dquot_quota_off,
+	.quota_sync	= dquot_quota_sync,
+	.get_info	= dquot_get_dqinfo,
+	.set_info	= dquot_set_dqinfo,
+	.get_dqblk	= dquot_get_dqblk,
+	.set_dqblk	= dquot_set_dqblk
 };
-EXPORT_SYMBOL(vfs_quotactl_ops);
+EXPORT_SYMBOL(dquot_quotactl_ops);
 
 static int do_proc_dqstats(struct ctl_table *table, int write,
 		     void __user *buffer, size_t *lenp, loff_t *ppos)
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index fa46abd0d95..f0ab5c94139 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -305,7 +305,7 @@ static int finish_unfinished(struct super_block *s)
 	/* Turn quotas off */
 	for (i = 0; i < MAXQUOTAS; i++) {
 		if (sb_dqopt(s)->files[i])
-			vfs_quota_off(s, i);
+			dquot_quota_off(s, i);
 	}
 	if (ms_active_set)
 		/* Restore the flag back */
@@ -636,12 +636,12 @@ static const struct dquot_operations reiserfs_quota_operations = {
 
 static const struct quotactl_ops reiserfs_qctl_operations = {
 	.quota_on = reiserfs_quota_on,
-	.quota_off = vfs_quota_off,
-	.quota_sync = vfs_quota_sync,
-	.get_info = vfs_get_dqinfo,
-	.set_info = vfs_set_dqinfo,
-	.get_dqblk = vfs_get_dqblk,
-	.set_dqblk = vfs_set_dqblk,
+	.quota_off = dquot_quota_off,
+	.quota_sync = dquot_quota_sync,
+	.get_info = dquot_get_dqinfo,
+	.set_info = dquot_set_dqinfo,
+	.get_dqblk = dquot_get_dqblk,
+	.set_dqblk = dquot_set_dqblk,
 };
 #endif
 
@@ -2030,8 +2030,8 @@ static int reiserfs_write_info(struct super_block *sb, int type)
  */
 static int reiserfs_quota_on_mount(struct super_block *sb, int type)
 {
-	return vfs_quota_on_mount(sb, REISERFS_SB(sb)->s_qf_names[type],
-				  REISERFS_SB(sb)->s_jquota_fmt, type);
+	return dquot_quota_on_mount(sb, REISERFS_SB(sb)->s_qf_names[type],
+					REISERFS_SB(sb)->s_jquota_fmt, type);
 }
 
 /*
@@ -2091,7 +2091,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 		if (err)
 			goto out;
 	}
-	err = vfs_quota_on_path(sb, type, format_id, &path);
+	err = dquot_quota_on_path(sb, type, format_id, &path);
 out:
 	path_put(&path);
 	return err;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index ef9221b7456..5e03592369d 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1949,7 +1949,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 	sb->s_op = &udf_sb_ops;
 	sb->s_export_op = &udf_export_ops;
 #ifdef CONFIG_QUOTA
-	sb->s_qcop = &vfs_quotactl_ops;
+	sb->s_qcop = &dquot_quotactl_ops;
 	sb->dq_op = NULL; /* &dquot_operations */
 #endif
 
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 60c989b7012..2b08a8dd8ec 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1046,7 +1046,7 @@ magic_found:
 	sb->s_op = &ufs_super_ops;
 	sb->s_export_op = &ufs_export_ops;
 #ifdef CONFIG_QUOTA
-	sb->s_qcop = &vfs_quotactl_ops;
+	sb->s_qcop = &dquot_quotactl_ops;
 	sb->dq_op = NULL; /* &dquot_operations */
 #endif
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 84b8dbf59c0..0c77cd8d282 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -66,21 +66,21 @@ int dquot_mark_dquot_dirty(struct dquot *dquot);
 
 int dquot_file_open(struct inode *inode, struct file *file);
 
-int vfs_quota_on(struct super_block *sb, int type, int format_id,
+int dquot_quota_on(struct super_block *sb, int type, int format_id,
 	char *path);
-int vfs_quota_enable(struct inode *inode, int type, int format_id,
+int dquot_enable(struct inode *inode, int type, int format_id,
 	unsigned int flags);
-int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
+int dquot_quota_on_path(struct super_block *sb, int type, int format_id,
  	struct path *path);
-int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
+int dquot_quota_on_mount(struct super_block *sb, char *qf_name,
  	int format_id, int type);
-int vfs_quota_off(struct super_block *sb, int type);
-int vfs_quota_sync(struct super_block *sb, int type, int wait);
-int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
-int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
-int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
+int dquot_quota_off(struct super_block *sb, int type);
+int dquot_quota_sync(struct super_block *sb, int type, int wait);
+int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
+int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
+int dquot_get_dqblk(struct super_block *sb, int type, qid_t id,
 		struct fs_disk_quota *di);
-int vfs_set_dqblk(struct super_block *sb, int type, qid_t id,
+int dquot_set_dqblk(struct super_block *sb, int type, qid_t id,
 		struct fs_disk_quota *di);
 
 int __dquot_transfer(struct inode *inode, struct dquot **transfer_to);
@@ -151,7 +151,7 @@ static inline unsigned sb_any_quota_active(struct super_block *sb)
  * Operations supported for diskquotas.
  */
 extern const struct dquot_operations dquot_operations;
-extern const struct quotactl_ops vfs_quotactl_ops;
+extern const struct quotactl_ops dquot_quotactl_ops;
 
 #else
 

From 36350462814739e1f38cba59a6900ebadb08d3bb Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Wed, 19 May 2010 16:28:56 +0200
Subject: [PATCH 2841/3638] udf: Remove dead quota code

Quota on UDF is non-functional at least since 2.6.16 (I'm too lazy to
do more archeology) because it does not provide .quota_write and .quota_read
functions and thus quotaon(8) just returns EINVAL. Since nobody complained
for all those years and quota support is not even in UDF standard just nuke
it.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/udf/balloc.c  | 43 ++-----------------------------------------
 fs/udf/file.c    | 26 +-------------------------
 fs/udf/ialloc.c  | 21 +--------------------
 fs/udf/inode.c   |  5 -----
 fs/udf/namei.c   | 20 --------------------
 fs/udf/super.c   | 18 ++----------------
 fs/udf/udfdecl.h |  1 -
 7 files changed, 6 insertions(+), 128 deletions(-)

diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 9a9378b4eb5..b608efaa4ce 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -21,7 +21,6 @@
 
 #include "udfdecl.h"
 
-#include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/bitops.h>
 
@@ -159,8 +158,6 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
 				udf_debug("byte=%2x\n",
 					((char *)bh->b_data)[(bit + i) >> 3]);
 			} else {
-				if (inode)
-					dquot_free_block(inode, 1);
 				udf_add_free_space(sb, sbi->s_partition, 1);
 			}
 		}
@@ -210,15 +207,8 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
 		bit = block % (sb->s_blocksize << 3);
 
 		while (bit < (sb->s_blocksize << 3) && block_count > 0) {
-			if (!udf_test_bit(bit, bh->b_data))
+			if (!udf_clear_bit(bit, bh->b_data))
 				goto out;
-			else if (dquot_prealloc_block(inode, 1))
-				goto out;
-			else if (!udf_clear_bit(bit, bh->b_data)) {
-				udf_debug("bit already cleared for block %d\n", bit);
-				dquot_free_block(inode, 1);
-				goto out;
-			}
 			block_count--;
 			alloc_count++;
 			bit++;
@@ -338,20 +328,6 @@ search_back:
 	}
 
 got_block:
-
-	/*
-	 * Check quota for allocation of this block.
-	 */
-	if (inode) {
-		int ret = dquot_alloc_block(inode, 1);
-
-		if (ret) {
-			mutex_unlock(&sbi->s_alloc_mutex);
-			*err = ret;
-			return 0;
-		}
-	}
-
 	newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) -
 		(sizeof(struct spaceBitmapDesc) << 3);
 
@@ -401,10 +377,6 @@ static void udf_table_free_blocks(struct super_block *sb,
 	}
 
 	iinfo = UDF_I(table);
-	/* We do this up front - There are some error conditions that
-	   could occure, but.. oh well */
-	if (inode)
-		dquot_free_block(inode, count);
 	udf_add_free_space(sb, sbi->s_partition, count);
 
 	start = bloc->logicalBlockNum + offset;
@@ -649,10 +621,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
 		epos.offset -= adsize;
 
 		alloc_count = (elen >> sb->s_blocksize_bits);
-		if (inode && dquot_prealloc_block(inode,
-			alloc_count > block_count ? block_count : alloc_count))
-			alloc_count = 0;
-		else if (alloc_count > block_count) {
+		if (alloc_count > block_count) {
 			alloc_count = block_count;
 			eloc.logicalBlockNum += alloc_count;
 			elen -= (alloc_count << sb->s_blocksize_bits);
@@ -752,14 +721,6 @@ static int udf_table_new_block(struct super_block *sb,
 	newblock = goal_eloc.logicalBlockNum;
 	goal_eloc.logicalBlockNum++;
 	goal_elen -= sb->s_blocksize;
-	if (inode) {
-		*err = dquot_alloc_block(inode, 1);
-		if (*err) {
-			brelse(goal_epos.bh);
-			mutex_unlock(&sbi->s_alloc_mutex);
-			return 0;
-		}
-	}
 
 	if (goal_elen)
 		udf_write_aext(table, &goal_epos, &goal_eloc, goal_elen, 1);
diff --git a/fs/udf/file.c b/fs/udf/file.c
index baae3a72394..0db1d672950 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -34,7 +34,6 @@
 #include <linux/errno.h>
 #include <linux/smp_lock.h>
 #include <linux/pagemap.h>
-#include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/aio.h>
 #include <linux/smp_lock.h>
@@ -219,7 +218,7 @@ const struct file_operations udf_file_operations = {
 	.read			= do_sync_read,
 	.aio_read		= generic_file_aio_read,
 	.unlocked_ioctl		= udf_ioctl,
-	.open			= dquot_file_open,
+	.open			= generic_file_open,
 	.mmap			= generic_file_mmap,
 	.write			= do_sync_write,
 	.aio_write		= udf_file_aio_write,
@@ -229,29 +228,6 @@ const struct file_operations udf_file_operations = {
 	.llseek			= generic_file_llseek,
 };
 
-int udf_setattr(struct dentry *dentry, struct iattr *iattr)
-{
-	struct inode *inode = dentry->d_inode;
-	int error;
-
-	error = inode_change_ok(inode, iattr);
-	if (error)
-		return error;
-
-	if (is_quota_modification(inode, iattr))
-		dquot_initialize(inode);
-
-	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
-            (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
-		error = dquot_transfer(inode, iattr);
-		if (error)
-			return error;
-	}
-
-	return inode_setattr(inode, iattr);
-}
-
 const struct inode_operations udf_file_inode_operations = {
 	.truncate		= udf_truncate,
-	.setattr		= udf_setattr,
 };
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 2b5586c7f02..18cd7111185 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -20,7 +20,6 @@
 
 #include "udfdecl.h"
 #include <linux/fs.h>
-#include <linux/quotaops.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 
@@ -32,13 +31,6 @@ void udf_free_inode(struct inode *inode)
 	struct super_block *sb = inode->i_sb;
 	struct udf_sb_info *sbi = UDF_SB(sb);
 
-	/*
-	 * Note: we must free any quota before locking the superblock,
-	 * as writing the quota to disk may need the lock as well.
-	 */
-	dquot_free_inode(inode);
-	dquot_drop(inode);
-
 	clear_inode(inode);
 
 	mutex_lock(&sbi->s_alloc_mutex);
@@ -61,7 +53,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
 	struct super_block *sb = dir->i_sb;
 	struct udf_sb_info *sbi = UDF_SB(sb);
 	struct inode *inode;
-	int block, ret;
+	int block;
 	uint32_t start = UDF_I(dir)->i_location.logicalBlockNum;
 	struct udf_inode_info *iinfo;
 	struct udf_inode_info *dinfo = UDF_I(dir);
@@ -146,17 +138,6 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
 	insert_inode_hash(inode);
 	mark_inode_dirty(inode);
 
-	dquot_initialize(inode);
-	ret = dquot_alloc_inode(inode);
-	if (ret) {
-		dquot_drop(inode);
-		inode->i_flags |= S_NOQUOTA;
-		inode->i_nlink = 0;
-		iput(inode);
-		*err = ret;
-		return NULL;
-	}
-
 	*err = 0;
 	return inode;
 }
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 8a3fbd177ca..124852bcf6f 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -36,7 +36,6 @@
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/writeback.h>
-#include <linux/quotaops.h>
 #include <linux/slab.h>
 #include <linux/crc-itu-t.h>
 
@@ -71,9 +70,6 @@ static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
 
 void udf_delete_inode(struct inode *inode)
 {
-	if (!is_bad_inode(inode))
-		dquot_initialize(inode);
-
 	truncate_inode_pages(&inode->i_data, 0);
 
 	if (is_bad_inode(inode))
@@ -113,7 +109,6 @@ void udf_clear_inode(struct inode *inode)
 			(unsigned long long)iinfo->i_lenExtents);
 	}
 
-	dquot_drop(inode);
 	kfree(iinfo->i_ext.i_data);
 	iinfo->i_ext.i_data = NULL;
 }
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 585f733615d..bf5fc674193 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -27,7 +27,6 @@
 #include <linux/errno.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
-#include <linux/quotaops.h>
 #include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
 #include <linux/sched.h>
@@ -563,8 +562,6 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
 	int err;
 	struct udf_inode_info *iinfo;
 
-	dquot_initialize(dir);
-
 	lock_kernel();
 	inode = udf_new_inode(dir, mode, &err);
 	if (!inode) {
@@ -617,8 +614,6 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
 	if (!old_valid_dev(rdev))
 		return -EINVAL;
 
-	dquot_initialize(dir);
-
 	lock_kernel();
 	err = -EIO;
 	inode = udf_new_inode(dir, mode, &err);
@@ -664,8 +659,6 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	struct udf_inode_info *dinfo = UDF_I(dir);
 	struct udf_inode_info *iinfo;
 
-	dquot_initialize(dir);
-
 	lock_kernel();
 	err = -EMLINK;
 	if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1)
@@ -800,8 +793,6 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
 	struct fileIdentDesc *fi, cfi;
 	struct kernel_lb_addr tloc;
 
-	dquot_initialize(dir);
-
 	retval = -ENOENT;
 	lock_kernel();
 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
@@ -848,8 +839,6 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
 	struct fileIdentDesc cfi;
 	struct kernel_lb_addr tloc;
 
-	dquot_initialize(dir);
-
 	retval = -ENOENT;
 	lock_kernel();
 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
@@ -904,8 +893,6 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 	struct buffer_head *bh;
 	struct udf_inode_info *iinfo;
 
-	dquot_initialize(dir);
-
 	lock_kernel();
 	inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO, &err);
 	if (!inode)
@@ -1075,8 +1062,6 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
 	int err;
 	struct buffer_head *bh;
 
-	dquot_initialize(dir);
-
 	lock_kernel();
 	if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) {
 		unlock_kernel();
@@ -1139,9 +1124,6 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct kernel_lb_addr tloc;
 	struct udf_inode_info *old_iinfo = UDF_I(old_inode);
 
-	dquot_initialize(old_dir);
-	dquot_initialize(new_dir);
-
 	lock_kernel();
 	ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi);
 	if (ofi) {
@@ -1387,7 +1369,6 @@ const struct export_operations udf_export_ops = {
 const struct inode_operations udf_dir_inode_operations = {
 	.lookup				= udf_lookup,
 	.create				= udf_create,
-	.setattr			= udf_setattr,
 	.link				= udf_link,
 	.unlink				= udf_unlink,
 	.symlink			= udf_symlink,
@@ -1400,5 +1381,4 @@ const struct inode_operations udf_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= page_follow_link_light,
 	.put_link	= page_put_link,
-	.setattr	= udf_setattr,
 };
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 5e03592369d..612d1e2e285 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -54,7 +54,6 @@
 #include <linux/vmalloc.h>
 #include <linux/errno.h>
 #include <linux/mount.h>
-#include <linux/quotaops.h>
 #include <linux/seq_file.h>
 #include <linux/bitmap.h>
 #include <linux/crc-itu-t.h>
@@ -587,18 +586,11 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
 	if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
 		goto out_unlock;
 
-	if (*flags & MS_RDONLY) {
+	if (*flags & MS_RDONLY)
 		udf_close_lvid(sb);
-
-		error = dquot_suspend(sb, -1);
-	} else {
+	else
 		udf_open_lvid(sb);
 
-		/* mark the fs r/w for quota activity */
-		sb->s_flags &= ~MS_RDONLY;
-		dquot_resume(sb, -1);
-	}
-
 out_unlock:
 	unlock_kernel();
 	return error;
@@ -1948,10 +1940,6 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 	/* Fill in the rest of the superblock */
 	sb->s_op = &udf_sb_ops;
 	sb->s_export_op = &udf_export_ops;
-#ifdef CONFIG_QUOTA
-	sb->s_qcop = &dquot_quotactl_ops;
-	sb->dq_op = NULL; /* &dquot_operations */
-#endif
 
 	sb->s_dirt = 0;
 	sb->s_magic = UDF_SUPER_MAGIC;
@@ -2106,8 +2094,6 @@ static void udf_put_super(struct super_block *sb)
 	int i;
 	struct udf_sb_info *sbi;
 
-	dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
-
 	sbi = UDF_SB(sb);
 
 	lock_kernel();
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 9079ff7d625..2bac0354891 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -131,7 +131,6 @@ extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
 
 /* file.c */
 extern long udf_ioctl(struct file *, unsigned int, unsigned long);
-extern int udf_setattr(struct dentry *dentry, struct iattr *iattr);
 /* inode.c */
 extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *);
 extern int udf_sync_inode(struct inode *);

From 8f45c33decf62e1aaaa9411aae8fef6a38f95845 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 20 May 2010 16:00:36 +0200
Subject: [PATCH 2842/3638] ufs: Remove dead quota code

UFS quota is non-functional at least since 2.6.12 because dq_op was set
to NULL. Since the filesystem exists mainly to allow cooperation with Solaris
and quota format isn't standard, just remove the dead code.

CC: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ufs/balloc.c   |  24 ---------
 fs/ufs/file.c     |   3 +-
 fs/ufs/ialloc.c   |  13 -----
 fs/ufs/inode.c    |   4 --
 fs/ufs/namei.c    |  16 ------
 fs/ufs/super.c    | 126 ----------------------------------------------
 fs/ufs/truncate.c |  10 ----
 7 files changed, 1 insertion(+), 195 deletions(-)

diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 5cfa4d85ccf..048484fb10d 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -12,7 +12,6 @@
 #include <linux/stat.h>
 #include <linux/time.h>
 #include <linux/string.h>
-#include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/capability.h>
 #include <linux/bitops.h>
@@ -85,9 +84,6 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
 				   "bit already cleared for fragment %u", i);
 	}
 	
-	dquot_free_block(inode, count);
-
-	
 	fs32_add(sb, &ucg->cg_cs.cs_nffree, count);
 	uspi->cs_total.cs_nffree += count;
 	fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count);
@@ -195,7 +191,6 @@ do_more:
 		ubh_setblock(UCPI_UBH(ucpi), ucpi->c_freeoff, blkno);
 		if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
 			ufs_clusteracct (sb, ucpi, blkno, 1);
-		dquot_free_block(inode, uspi->s_fpb);
 
 		fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1);
 		uspi->cs_total.cs_nbfree++;
@@ -511,7 +506,6 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
 	struct ufs_cg_private_info * ucpi;
 	struct ufs_cylinder_group * ucg;
 	unsigned cgno, fragno, fragoff, count, fragsize, i;
-	int ret;
 	
 	UFSD("ENTER, fragment %llu, oldcount %u, newcount %u\n",
 	     (unsigned long long)fragment, oldcount, newcount);
@@ -557,11 +551,6 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
 		fs32_add(sb, &ucg->cg_frsum[fragsize - count], 1);
 	for (i = oldcount; i < newcount; i++)
 		ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i);
-	ret = dquot_alloc_block(inode, count);
-	if (ret) {
-		*err = ret;
-		return 0;
-	}
 
 	fs32_sub(sb, &ucg->cg_cs.cs_nffree, count);
 	fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count);
@@ -598,7 +587,6 @@ static u64 ufs_alloc_fragments(struct inode *inode, unsigned cgno,
 	struct ufs_cylinder_group * ucg;
 	unsigned oldcg, i, j, k, allocsize;
 	u64 result;
-	int ret;
 	
 	UFSD("ENTER, ino %lu, cgno %u, goal %llu, count %u\n",
 	     inode->i_ino, cgno, (unsigned long long)goal, count);
@@ -667,7 +655,6 @@ cg_found:
 		for (i = count; i < uspi->s_fpb; i++)
 			ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, goal + i);
 		i = uspi->s_fpb - count;
-		dquot_free_block(inode, i);
 
 		fs32_add(sb, &ucg->cg_cs.cs_nffree, i);
 		uspi->cs_total.cs_nffree += i;
@@ -679,11 +666,6 @@ cg_found:
 	result = ufs_bitmap_search (sb, ucpi, goal, allocsize);
 	if (result == INVBLOCK)
 		return 0;
-	ret = dquot_alloc_block(inode, count);
-	if (ret) {
-		*err = ret;
-		return 0;
-	}
 	for (i = 0; i < count; i++)
 		ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, result + i);
 	
@@ -718,7 +700,6 @@ static u64 ufs_alloccg_block(struct inode *inode,
 	struct ufs_super_block_first * usb1;
 	struct ufs_cylinder_group * ucg;
 	u64 result, blkno;
-	int ret;
 
 	UFSD("ENTER, goal %llu\n", (unsigned long long)goal);
 
@@ -752,11 +733,6 @@ gotit:
 	ubh_clrblock (UCPI_UBH(ucpi), ucpi->c_freeoff, blkno);
 	if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
 		ufs_clusteracct (sb, ucpi, blkno, -1);
-	ret = dquot_alloc_block(inode, uspi->s_fpb);
-	if (ret) {
-		*err = ret;
-		return INVBLOCK;
-	}
 
 	fs32_sub(sb, &ucg->cg_cs.cs_nbfree, 1);
 	uspi->cs_total.cs_nbfree--;
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index a8962cecde5..73655c61240 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -24,7 +24,6 @@
  */
 
 #include <linux/fs.h>
-#include <linux/quotaops.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -41,7 +40,7 @@ const struct file_operations ufs_file_operations = {
 	.write		= do_sync_write,
 	.aio_write	= generic_file_aio_write,
 	.mmap		= generic_file_mmap,
-	.open           = dquot_file_open,
+	.open           = generic_file_open,
 	.fsync		= simple_fsync,
 	.splice_read	= generic_file_splice_read,
 };
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 3a959d55084..594480e537d 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -27,7 +27,6 @@
 #include <linux/time.h>
 #include <linux/stat.h>
 #include <linux/string.h>
-#include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/sched.h>
 #include <linux/bitops.h>
@@ -95,9 +94,6 @@ void ufs_free_inode (struct inode * inode)
 
 	is_directory = S_ISDIR(inode->i_mode);
 
-	dquot_free_inode(inode);
-	dquot_drop(inode);
-
 	clear_inode (inode);
 
 	if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit))
@@ -347,21 +343,12 @@ cg_found:
 
 	unlock_super (sb);
 
-	dquot_initialize(inode);
-	err = dquot_alloc_inode(inode);
-	if (err) {
-		dquot_drop(inode);
-		goto fail_without_unlock;
-	}
-
 	UFSD("allocating inode %lu\n", inode->i_ino);
 	UFSD("EXIT\n");
 	return inode;
 
 fail_remove_inode:
 	unlock_super(sb);
-fail_without_unlock:
-	inode->i_flags |= S_NOQUOTA;
 	inode->i_nlink = 0;
 	iput(inode);
 	UFSD("EXIT (FAILED): err %d\n", err);
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index cffa756f104..73fe773aa03 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -37,7 +37,6 @@
 #include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
 #include <linux/writeback.h>
-#include <linux/quotaops.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -910,9 +909,6 @@ void ufs_delete_inode (struct inode * inode)
 {
 	loff_t old_i_size;
 
-	if (!is_bad_inode(inode))
-		dquot_initialize(inode);
-
 	truncate_inode_pages(&inode->i_data, 0);
 	if (is_bad_inode(inode))
 		goto no_delete;
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index eabc02eb129..b056f02b1fb 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -30,7 +30,6 @@
 #include <linux/time.h>
 #include <linux/fs.h>
 #include <linux/smp_lock.h>
-#include <linux/quotaops.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -86,8 +85,6 @@ static int ufs_create (struct inode * dir, struct dentry * dentry, int mode,
 
 	UFSD("BEGIN\n");
 
-	dquot_initialize(dir);
-
 	inode = ufs_new_inode(dir, mode);
 	err = PTR_ERR(inode);
 
@@ -112,8 +109,6 @@ static int ufs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t
 	if (!old_valid_dev(rdev))
 		return -EINVAL;
 
-	dquot_initialize(dir);
-
 	inode = ufs_new_inode(dir, mode);
 	err = PTR_ERR(inode);
 	if (!IS_ERR(inode)) {
@@ -138,8 +133,6 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry,
 	if (l > sb->s_blocksize)
 		goto out_notlocked;
 
-	dquot_initialize(dir);
-
 	lock_kernel();
 	inode = ufs_new_inode(dir, S_IFLNK | S_IRWXUGO);
 	err = PTR_ERR(inode);
@@ -185,8 +178,6 @@ static int ufs_link (struct dentry * old_dentry, struct inode * dir,
 		return -EMLINK;
 	}
 
-	dquot_initialize(dir);
-
 	inode->i_ctime = CURRENT_TIME_SEC;
 	inode_inc_link_count(inode);
 	atomic_inc(&inode->i_count);
@@ -204,8 +195,6 @@ static int ufs_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 	if (dir->i_nlink >= UFS_LINK_MAX)
 		goto out;
 
-	dquot_initialize(dir);
-
 	lock_kernel();
 	inode_inc_link_count(dir);
 
@@ -250,8 +239,6 @@ static int ufs_unlink(struct inode *dir, struct dentry *dentry)
 	struct page *page;
 	int err = -ENOENT;
 
-	dquot_initialize(dir);
-
 	de = ufs_find_entry(dir, &dentry->d_name, &page);
 	if (!de)
 		goto out;
@@ -296,9 +283,6 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct ufs_dir_entry *old_de;
 	int err = -ENOENT;
 
-	dquot_initialize(old_dir);
-	dquot_initialize(new_dir);
-
 	old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_page);
 	if (!old_de)
 		goto out;
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 2b08a8dd8ec..3c9bbf23c2f 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -77,7 +77,6 @@
 
 #include <linux/errno.h>
 #include <linux/fs.h>
-#include <linux/quotaops.h>
 #include <linux/slab.h>
 #include <linux/time.h>
 #include <linux/stat.h>
@@ -1045,10 +1044,6 @@ magic_found:
 	 */
 	sb->s_op = &ufs_super_ops;
 	sb->s_export_op = &ufs_export_ops;
-#ifdef CONFIG_QUOTA
-	sb->s_qcop = &dquot_quotactl_ops;
-	sb->dq_op = NULL; /* &dquot_operations */
-#endif
 
 	sb->s_magic = fs32_to_cpu(sb, usb3->fs_magic);
 
@@ -1231,8 +1226,6 @@ static void ufs_put_super(struct super_block *sb)
 		
 	UFSD("ENTER\n");
 
-	dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
-
 	if (sb->s_dirt)
 		ufs_write_super(sb);
 
@@ -1254,9 +1247,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
 	struct ufs_super_block_first * usb1;
 	struct ufs_super_block_third * usb3;
 	unsigned new_mount_opt, ufstype;
-	int enable_quota = 0;
 	unsigned flags;
-	int err;
 
 	lock_kernel();
 	lock_super(sb);
@@ -1297,13 +1288,6 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
 	 * fs was mouted as rw, remounting ro
 	 */
 	if (*mount_flags & MS_RDONLY) {
-		err = dquot_suspend(sb, -1);
-		if (err < 0) {
-			unlock_super(sb);
-			unlock_kernel();
-			return err;
-		}
-
 		ufs_put_super_internal(sb);
 		usb1->fs_time = cpu_to_fs32(sb, get_seconds());
 		if ((flags & UFS_ST_MASK) == UFS_ST_SUN
@@ -1342,14 +1326,11 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
 			return -EPERM;
 		}
 		sb->s_flags &= ~MS_RDONLY;
-		enable_quota = 1;
 #endif
 	}
 	UFS_SB(sb)->s_mount_opt = new_mount_opt;
 	unlock_super(sb);
 	unlock_kernel();
-	if (enable_quota)
-		dquot_resume(sb, -1);
 	return 0;
 }
 
@@ -1453,126 +1434,19 @@ static void destroy_inodecache(void)
 	kmem_cache_destroy(ufs_inode_cachep);
 }
 
-static void ufs_clear_inode(struct inode *inode)
-{
-	dquot_drop(inode);
-}
-
-#ifdef CONFIG_QUOTA
-static ssize_t ufs_quota_read(struct super_block *, int, char *,size_t, loff_t);
-static ssize_t ufs_quota_write(struct super_block *, int, const char *, size_t, loff_t);
-#endif
-
 static const struct super_operations ufs_super_ops = {
 	.alloc_inode	= ufs_alloc_inode,
 	.destroy_inode	= ufs_destroy_inode,
 	.write_inode	= ufs_write_inode,
 	.delete_inode	= ufs_delete_inode,
-	.clear_inode	= ufs_clear_inode,
 	.put_super	= ufs_put_super,
 	.write_super	= ufs_write_super,
 	.sync_fs	= ufs_sync_fs,
 	.statfs		= ufs_statfs,
 	.remount_fs	= ufs_remount,
 	.show_options   = ufs_show_options,
-#ifdef CONFIG_QUOTA
-	.quota_read	= ufs_quota_read,
-	.quota_write	= ufs_quota_write,
-#endif
 };
 
-#ifdef CONFIG_QUOTA
-
-/* Read data from quotafile - avoid pagecache and such because we cannot afford
- * acquiring the locks... As quota files are never truncated and quota code
- * itself serializes the operations (and noone else should touch the files)
- * we don't have to be afraid of races */
-static ssize_t ufs_quota_read(struct super_block *sb, int type, char *data,
-			       size_t len, loff_t off)
-{
-	struct inode *inode = sb_dqopt(sb)->files[type];
-	sector_t blk = off >> sb->s_blocksize_bits;
-	int err = 0;
-	int offset = off & (sb->s_blocksize - 1);
-	int tocopy;
-	size_t toread;
-	struct buffer_head *bh;
-	loff_t i_size = i_size_read(inode);
-
-	if (off > i_size)
-		return 0;
-	if (off+len > i_size)
-		len = i_size-off;
-	toread = len;
-	while (toread > 0) {
-		tocopy = sb->s_blocksize - offset < toread ?
-				sb->s_blocksize - offset : toread;
-
-		bh = ufs_bread(inode, blk, 0, &err);
-		if (err)
-			return err;
-		if (!bh)	/* A hole? */
-			memset(data, 0, tocopy);
-		else {
-			memcpy(data, bh->b_data+offset, tocopy);
-			brelse(bh);
-		}
-		offset = 0;
-		toread -= tocopy;
-		data += tocopy;
-		blk++;
-	}
-	return len;
-}
-
-/* Write to quotafile */
-static ssize_t ufs_quota_write(struct super_block *sb, int type,
-				const char *data, size_t len, loff_t off)
-{
-	struct inode *inode = sb_dqopt(sb)->files[type];
-	sector_t blk = off >> sb->s_blocksize_bits;
-	int err = 0;
-	int offset = off & (sb->s_blocksize - 1);
-	int tocopy;
-	size_t towrite = len;
-	struct buffer_head *bh;
-
-	mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
-	while (towrite > 0) {
-		tocopy = sb->s_blocksize - offset < towrite ?
-				sb->s_blocksize - offset : towrite;
-
-		bh = ufs_bread(inode, blk, 1, &err);
-		if (!bh)
-			goto out;
-		lock_buffer(bh);
-		memcpy(bh->b_data+offset, data, tocopy);
-		flush_dcache_page(bh->b_page);
-		set_buffer_uptodate(bh);
-		mark_buffer_dirty(bh);
-		unlock_buffer(bh);
-		brelse(bh);
-		offset = 0;
-		towrite -= tocopy;
-		data += tocopy;
-		blk++;
-	}
-out:
-	if (len == towrite) {
-		mutex_unlock(&inode->i_mutex);
-		return err;
-	}
-	if (inode->i_size < off+len-towrite)
-		i_size_write(inode, off+len-towrite);
-	inode->i_version++;
-	inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
-	mark_inode_dirty(inode);
-	mutex_unlock(&inode->i_mutex);
-	return len - towrite;
-}
-
-#endif
-
 static int ufs_get_sb(struct file_system_type *fs_type,
 	int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index f294c44577d..4171e2df18d 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -44,7 +44,6 @@
 #include <linux/buffer_head.h>
 #include <linux/blkdev.h>
 #include <linux/sched.h>
-#include <linux/quotaops.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -518,15 +517,6 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr)
 	if (error)
 		return error;
 
-	if (is_quota_modification(inode, attr))
-		dquot_initialize(inode);
-
-	if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
-	    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
-		error = dquot_transfer(inode, attr);
-		if (error)
-			return error;
-	}
 	if (ia_valid & ATTR_SIZE && attr->ia_size != inode->i_size) {
 		loff_t old_i_size = inode->i_size;
 

From 7df0e0397b9a18358573274db9fdab991941062f Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Mon, 24 May 2010 14:36:48 +0100
Subject: [PATCH 2843/3638] GFS2: Fix permissions checking for setflags ioctl()

We should be checking for the ownership of the file for which
flags are being set, rather than just for write access.

Reported-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
 fs/gfs2/file.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index e6dd2aec6f8..b20bfcc9fa2 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -218,6 +218,11 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
 	if (error)
 		goto out_drop_write;
 
+	error = -EACCES;
+	if (!is_owner_or_cap(inode))
+		goto out;
+
+	error = 0;
 	flags = ip->i_diskflags;
 	new_flags = (flags & ~mask) | (reqflags & mask);
 	if ((new_flags ^ flags) == 0)
@@ -275,8 +280,10 @@ static int gfs2_set_flags(struct file *filp, u32 __user *ptr)
 {
 	struct inode *inode = filp->f_path.dentry->d_inode;
 	u32 fsflags, gfsflags;
+
 	if (get_user(fsflags, ptr))
 		return -EFAULT;
+
 	gfsflags = fsflags_cvt(fsflags_to_gfs2, fsflags);
 	if (!S_ISDIR(inode->i_mode)) {
 		if (gfsflags & GFS2_DIF_INHERIT_JDATA)

From 5f2776293f7a4390f587642b1b7e1e6288e11a01 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 21 May 2010 16:15:32 +1000
Subject: [PATCH 2844/3638] HID: fix hid-roccat-kone for bin_attr API change

After merging the driver-core tree, today's linux-next build (x86_64
allmodconfig) produced these warnings:

drivers/hid/hid-roccat-kone.c:694: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:696: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:701: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:703: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:708: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:710: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:715: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:717: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:722: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:724: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:729: warning: initialization from incompatible pointer type
drivers/hid/hid-roccat-kone.c:731: warning: initialization from incompatible pointer type

Introduced by commit 867040163f10f2b52b45bc573f330d6eb28f5914 ("sysfs:
add struct file* to bin_attr callbacks") from the driver-core tree
interacting with commit 14bf62cde79423a02a590e02664ed29a36facec1 ("HID:
add driver for Roccat Kone gaming mouse") from the hid tree.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-roccat-kone.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 66e694054ba..b6371d3fe0f 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -263,7 +263,7 @@ static int kone_get_firmware_version(struct usb_device *usb_dev, int *result)
 	return 0;
 }
 
-static ssize_t kone_sysfs_read_settings(struct kobject *kobj,
+static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -287,7 +287,7 @@ static ssize_t kone_sysfs_read_settings(struct kobject *kobj,
  * This function keeps values in kone_device up to date and assumes that in
  * case of error the old data is still valid
  */
-static ssize_t kone_sysfs_write_settings(struct kobject *kobj,
+static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	struct device *dev = container_of(kobj, struct device, kobj);
@@ -342,31 +342,31 @@ static ssize_t kone_sysfs_read_profilex(struct kobject *kobj,
 	return count;
 }
 
-static ssize_t kone_sysfs_read_profile1(struct kobject *kobj,
+static ssize_t kone_sysfs_read_profile1(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 1);
 }
 
-static ssize_t kone_sysfs_read_profile2(struct kobject *kobj,
+static ssize_t kone_sysfs_read_profile2(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 2);
 }
 
-static ssize_t kone_sysfs_read_profile3(struct kobject *kobj,
+static ssize_t kone_sysfs_read_profile3(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 3);
 }
 
-static ssize_t kone_sysfs_read_profile4(struct kobject *kobj,
+static ssize_t kone_sysfs_read_profile4(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 4);
 }
 
-static ssize_t kone_sysfs_read_profile5(struct kobject *kobj,
+static ssize_t kone_sysfs_read_profile5(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 5);
@@ -404,31 +404,31 @@ static ssize_t kone_sysfs_write_profilex(struct kobject *kobj,
 	return sizeof(struct kone_profile);
 }
 
-static ssize_t kone_sysfs_write_profile1(struct kobject *kobj,
+static ssize_t kone_sysfs_write_profile1(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 1);
 }
 
-static ssize_t kone_sysfs_write_profile2(struct kobject *kobj,
+static ssize_t kone_sysfs_write_profile2(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 2);
 }
 
-static ssize_t kone_sysfs_write_profile3(struct kobject *kobj,
+static ssize_t kone_sysfs_write_profile3(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 3);
 }
 
-static ssize_t kone_sysfs_write_profile4(struct kobject *kobj,
+static ssize_t kone_sysfs_write_profile4(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 4);
 }
 
-static ssize_t kone_sysfs_write_profile5(struct kobject *kobj,
+static ssize_t kone_sysfs_write_profile5(struct file *fp, struct kobject *kobj,
 		struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 5);

From 0af76d950e69725dec55dc9735a37f9f9116f07f Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Sun, 23 May 2010 17:02:30 -0700
Subject: [PATCH 2845/3638] docbook: make mtd nand module init static

In the example the module_init function should be static.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/DocBook/mtdnand.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/mtdnand.tmpl b/Documentation/DocBook/mtdnand.tmpl
index 133cd6c3f3c..020ac80d468 100644
--- a/Documentation/DocBook/mtdnand.tmpl
+++ b/Documentation/DocBook/mtdnand.tmpl
@@ -269,7 +269,7 @@ static void board_hwcontrol(struct mtd_info *mtd, int cmd)
 			information about the device.
 		</para>
 		<programlisting>
-int __init board_init (void)
+static int __init board_init (void)
 {
 	struct nand_chip *this;
 	int err = 0;

From ef0eba477eeb424db97a162eb3a8c887b9c619df Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Sun, 23 May 2010 17:02:30 -0700
Subject: [PATCH 2846/3638] Documentation/development-process: add maintainers
 and git info

Add info on maintainers and persistent posting.
Update git home page.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/development-process/2.Process       | 15 ++++++++++++---
 .../development-process/7.AdvancedTopics          |  2 +-
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/Documentation/development-process/2.Process b/Documentation/development-process/2.Process
index d750321acd5..11682b120e8 100644
--- a/Documentation/development-process/2.Process
+++ b/Documentation/development-process/2.Process
@@ -151,7 +151,7 @@ The stages that a patch goes through are, generally:
    well.
 
  - Wider review.  When the patch is getting close to ready for mainline
-   inclusion, it will be accepted by a relevant subsystem maintainer -
+   inclusion, it should be accepted by a relevant subsystem maintainer -
    though this acceptance is not a guarantee that the patch will make it
    all the way to the mainline.  The patch will show up in the maintainer's
    subsystem tree and into the staging trees (described below).  When the
@@ -159,6 +159,15 @@ The stages that a patch goes through are, generally:
    the discovery of any problems resulting from the integration of this
    patch with work being done by others.
 
+-  Please note that most maintainers also have day jobs, so merging
+   your patch may not be their highest priority.  If your patch is
+   getting feedback about changes that are needed, you should either
+   make those changes or justify why they should not be made.  If your
+   patch has no review complaints but is not being merged by its
+   appropriate subsystem or driver maintainer, you should be persistent
+   in updating the patch to the current kernel so that it applies cleanly
+   and keep sending it for review and merging.
+
  - Merging into the mainline.  Eventually, a successful patch will be
    merged into the mainline repository managed by Linus Torvalds.  More
    comments and/or problems may surface at this time; it is important that
@@ -319,9 +328,9 @@ developers; even if they do not use it for their own work, they'll need git
 to keep up with what other developers (and the mainline) are doing.
 
 Git is now packaged by almost all Linux distributions.  There is a home
-page at 
+page at:
 
-	http://git.or.cz/
+	http://git-scm.com/
 
 That page has pointers to documentation and tutorials.  One should be
 aware, in particular, of the Kernel Hacker's Guide to git, which has
diff --git a/Documentation/development-process/7.AdvancedTopics b/Documentation/development-process/7.AdvancedTopics
index a2cf74093aa..837179447e1 100644
--- a/Documentation/development-process/7.AdvancedTopics
+++ b/Documentation/development-process/7.AdvancedTopics
@@ -25,7 +25,7 @@ long document in its own right.  Instead, the focus here will be on how git
 fits into the kernel development process in particular.  Developers who
 wish to come up to speed with git will find more information at:
 
-	http://git.or.cz/
+	http://git-scm.com/
 
 	http://www.kernel.org/pub/software/scm/git/docs/user-manual.html
 

From e6a591e58e2c70912987f9f19d36ba967063b251 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Sun, 23 May 2010 17:02:30 -0700
Subject: [PATCH 2847/3638] Documentation/development-process: add staging &
 mmotm info

Update explanation of mmotm.
Add explanation of drivers/staging/.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/development-process/2.Process | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/Documentation/development-process/2.Process b/Documentation/development-process/2.Process
index 11682b120e8..97726eba610 100644
--- a/Documentation/development-process/2.Process
+++ b/Documentation/development-process/2.Process
@@ -267,12 +267,8 @@ an appropriate subsystem tree or be sent directly to Linus.  In a typical
 development cycle, approximately 10% of the patches going into the mainline
 get there via -mm.
 
-The current -mm patch can always be found from the front page of
-
-	http://kernel.org/
-
-Those who want to see the current state of -mm can get the "-mm of the
-moment" tree, found at:
+The current -mm patch is available in the "mmotm" (-mm of the moment)
+directory at:
 
 	http://userweb.kernel.org/~akpm/mmotm/
 
@@ -307,6 +303,12 @@ volatility of linux-next tends to make it a difficult development target.
 See http://lwn.net/Articles/289013/ for more information on this topic, and
 stay tuned; much is still in flux where linux-next is involved.
 
+Besides the mmotm and linux-next trees, the kernel source tree now contains
+the drivers/staging/ directory and many sub-directories for drivers or
+filesystems that are on their way to being added to the kernel tree
+proper, but they remain in drivers/staging/ while they still need more
+work.
+
 
 2.5: TOOLS
 

From 4164fcc2f9b02a7cba31215328753fe328ce0d90 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 17:02:30 -0700
Subject: [PATCH 2848/3638] Documentation/timers/hpet_example: drop duplicate
 header files

Documentation/timers/hpet_example.c: fcntl.h is included more than once.
Documentation/timers/hpet_example.c: signal.h is included more than once.

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/timers/hpet_example.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/Documentation/timers/hpet_example.c b/Documentation/timers/hpet_example.c
index f9ce2d9fdfd..4bfafb7bc4c 100644
--- a/Documentation/timers/hpet_example.c
+++ b/Documentation/timers/hpet_example.c
@@ -10,7 +10,6 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <signal.h>
-#include <fcntl.h>
 #include <errno.h>
 #include <sys/time.h>
 #include <linux/hpet.h>
@@ -24,7 +23,6 @@ extern void hpet_read(int, const char **);
 
 #include <sys/poll.h>
 #include <sys/ioctl.h>
-#include <signal.h>
 
 struct hpet_command {
 	char		*command;

From 89bbfb6bfbd4dae1ec29d6d4b3518c031b4f190c Mon Sep 17 00:00:00 2001
From: Carlo Marcelo Arenas Belon <carenas@sajinet.com.pe>
Date: Sun, 23 May 2010 17:02:30 -0700
Subject: [PATCH 2849/3638] Documentation/vm: use better value for MAP_HUGETLB

documentation: slightly more correct value for MAP_HUGETLB in map_hugetlb.c

still not correct for alpha, mips, parisc or xtensa but working out of
the box in the most common architectures without having to deal with
complicated macros or including architecture specific headers.

Signed-off-by: Carlo Marcelo Arenas Belon <carenas@sajinet.com.pe>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/vm/map_hugetlb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/vm/map_hugetlb.c b/Documentation/vm/map_hugetlb.c
index 9969c7d9f98..eda1a6d3578 100644
--- a/Documentation/vm/map_hugetlb.c
+++ b/Documentation/vm/map_hugetlb.c
@@ -19,7 +19,7 @@
 #define PROTECTION (PROT_READ | PROT_WRITE)
 
 #ifndef MAP_HUGETLB
-#define MAP_HUGETLB 0x40
+#define MAP_HUGETLB 0x40000 /* arch specific */
 #endif
 
 /* Only ia64 requires this */

From 9f6aa5750de30b1ba35f6cb8de50c17b4fb59cab Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Sun, 23 May 2010 17:02:30 -0700
Subject: [PATCH 2850/3638] scsi_scan.c: fix/convert functions to use
 kernel-doc

scsi_scan.c: fix incorrectly formatted kernel-doc notation
& convert documentation of 2 functions into kernel-doc.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/scsi/scsi_scan.c | 26 +++++++++-----------------
 1 file changed, 9 insertions(+), 17 deletions(-)

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index c992ecf4e37..9798c2c06b9 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1220,7 +1220,7 @@ static void scsi_sequential_lun_scan(struct scsi_target *starget,
 }
 
 /**
- * scsilun_to_int: convert a scsi_lun to an int
+ * scsilun_to_int - convert a scsi_lun to an int
  * @scsilun:	struct scsi_lun to be converted.
  *
  * Description:
@@ -1252,7 +1252,7 @@ int scsilun_to_int(struct scsi_lun *scsilun)
 EXPORT_SYMBOL(scsilun_to_int);
 
 /**
- * int_to_scsilun: reverts an int into a scsi_lun
+ * int_to_scsilun - reverts an int into a scsi_lun
  * @lun:        integer to be reverted
  * @scsilun:	struct scsi_lun to be set.
  *
@@ -1876,12 +1876,9 @@ void scsi_forget_host(struct Scsi_Host *shost)
 	spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
-/*
- * Function:    scsi_get_host_dev()
- *
- * Purpose:     Create a scsi_device that points to the host adapter itself.
- *
- * Arguments:   SHpnt   - Host that needs a scsi_device
+/**
+ * scsi_get_host_dev - Create a scsi_device that points to the host adapter itself
+ * @shost: Host that needs a scsi_device
  *
  * Lock status: None assumed.
  *
@@ -1894,7 +1891,7 @@ void scsi_forget_host(struct Scsi_Host *shost)
  *
  *	Note - this device is not accessible from any high-level
  *	drivers (including generics), which is probably not
- *	optimal.  We can add hooks later to attach 
+ *	optimal.  We can add hooks later to attach.
  */
 struct scsi_device *scsi_get_host_dev(struct Scsi_Host *shost)
 {
@@ -1920,18 +1917,13 @@ struct scsi_device *scsi_get_host_dev(struct Scsi_Host *shost)
 }
 EXPORT_SYMBOL(scsi_get_host_dev);
 
-/*
- * Function:    scsi_free_host_dev()
- *
- * Purpose:     Free a scsi_device that points to the host adapter itself.
- *
- * Arguments:   SHpnt   - Host that needs a scsi_device
+/**
+ * scsi_free_host_dev - Free a scsi_device that points to the host adapter itself
+ * @sdev: Host device to be freed
  *
  * Lock status: None assumed.
  *
  * Returns:     Nothing
- *
- * Notes:
  */
 void scsi_free_host_dev(struct scsi_device *sdev)
 {

From 9b8f77a184fcc44349c547be944ba921fd4247b3 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sun, 23 May 2010 17:02:30 -0700
Subject: [PATCH 2851/3638] fusion: fix kernel-doc notation

The function name must be followed by a space, hypen, space, and a
short description.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/message/fusion/mptscsih.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 7bd4c0fc23c..5c53624e0e8 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -2570,9 +2570,7 @@ mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
 }
 
 /**
- * mptscsih_set_scsi_lookup
- *
- * writes a scmd entry into the ScsiLookup[] array list
+ * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
  *
  * @ioc: Pointer to MPT_ADAPTER structure
  * @i: index into the array
@@ -2735,7 +2733,7 @@ mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
 
 
 /**
- *	mptscsih_get_completion_code -
+ *	mptscsih_get_completion_code - get completion code from MPT request
  *	@ioc: Pointer to MPT_ADAPTER structure
  *	@req: Pointer to original MPT request frame
  *	@reply: Pointer to MPT reply frame (NULL if TurboReply)

From 85f9642e3199271614210b8feebe18b7652894b6 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Sun, 23 May 2010 17:02:30 -0700
Subject: [PATCH 2852/3638] Documentation: update SubmitChecklist for O=objdir
 and kconfig testing

Add build testing using 'O=builddir'.

Add build testing with various kconfig symbols disabled, listing
common ones that are known to cause build problems.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/SubmitChecklist | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist
index 8916ca48bc9..da0382daa39 100644
--- a/Documentation/SubmitChecklist
+++ b/Documentation/SubmitChecklist
@@ -18,6 +18,8 @@ kernel patches.
 
 2b: Passes allnoconfig, allmodconfig
 
+2c: Builds successfully when using O=builddir
+
 3: Builds on multiple CPU architectures by using local cross-compile tools
    or some other build farm.
 
@@ -95,3 +97,13 @@ kernel patches.
 
 25: If any ioctl's are added by the patch, then also update
     Documentation/ioctl/ioctl-number.txt.
+
+26: If your modified source code depends on or uses any of the kernel
+    APIs or features that are related to the following kconfig symbols,
+    then test multiple builds with the related kconfig symbols disabled
+    and/or =m (if that option is available) [not all of these at the
+    same time, just various/random combinations of them]:
+
+    CONFIG_SMP, CONFIG_SYSFS, CONFIG_PROC_FS, CONFIG_INPUT, CONFIG_PCI,
+    CONFIG_BLOCK, CONFIG_PM, CONFIG_HOTPLUG, CONFIG_MAGIC_SYSRQ,
+    CONFIG_NET, CONFIG_INET=n (but latter with CONFIG_NET=y)

From a69eee4988752c7196677958b4ed8f4c2b28499a Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 24 May 2010 07:45:43 -0700
Subject: [PATCH 2853/3638] Revert "ath9k: Group Key fix for VAPs"

This reverts commit 03ceedea972a82d343fa5c2528b3952fa9e615d5, since it
breaks resume from suspend-to-ram on Rafael's Acer Ferrari One.
NetworkManager thinks everything is ok, but it can't connect to the AP
to get an IP address after the resume.

In fact, it even breaks resume for non-ath9k chipsets: reverting it also
fixes Rafael's Toshiba Protege R500 with the iwlagn driver.  As Johannes
says:

  "Indeed, this patch needs to be reverted. That mac80211 change is wrong
   and completely unnecessary."

Reported-and-requested-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Daniel Yingqiang Ma <yma.cool@gmail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/net/wireless/ath/ath9k/main.c | 28 +++------------------------
 include/net/mac80211.h                |  1 -
 net/mac80211/key.c                    |  1 -
 3 files changed, 3 insertions(+), 27 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 893b552981a..abfa0493236 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -752,7 +752,6 @@ static int ath_key_config(struct ath_common *common,
 	struct ath_hw *ah = common->ah;
 	struct ath9k_keyval hk;
 	const u8 *mac = NULL;
-	u8 gmac[ETH_ALEN];
 	int ret = 0;
 	int idx;
 
@@ -776,30 +775,9 @@ static int ath_key_config(struct ath_common *common,
 	memcpy(hk.kv_val, key->key, key->keylen);
 
 	if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
-
-		if (key->ap_addr) {
-			/*
-			 * Group keys on hardware that supports multicast frame
-			 * key search use a mac that is the sender's address with
-			 * the high bit set instead of the app-specified address.
-			 */
-			memcpy(gmac, key->ap_addr, ETH_ALEN);
-			gmac[0] |= 0x80;
-			mac = gmac;
-
-			if (key->alg == ALG_TKIP)
-				idx = ath_reserve_key_cache_slot_tkip(common);
-			else
-				idx = ath_reserve_key_cache_slot(common);
-			if (idx < 0)
-				mac = NULL; /* no free key cache entries */
-		}
-
-		if (!mac) {
-			/* For now, use the default keys for broadcast keys. This may
-			 * need to change with virtual interfaces. */
-			idx = key->keyidx;
-		}
+		/* For now, use the default keys for broadcast keys. This may
+		 * need to change with virtual interfaces. */
+		idx = key->keyidx;
 	} else if (key->keyidx) {
 		if (WARN_ON(!sta))
 			return -EOPNOTSUPP;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 5be900d1966..e24b0363e6c 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -831,7 +831,6 @@ struct ieee80211_key_conf {
 	u8 iv_len;
 	u8 hw_key_idx;
 	u8 flags;
-	u8 *ap_addr;
 	s8 keyidx;
 	u8 keylen;
 	u8 key[0];
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 8d4b41787dc..e8f6e3b252d 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -140,7 +140,6 @@ static void ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
 				     struct ieee80211_sub_if_data,
 				     u.ap);
 
-	key->conf.ap_addr = sdata->dev->dev_addr;
 	ret = drv_set_key(key->local, SET_KEY, sdata, sta, &key->conf);
 
 	if (!ret) {

From 524ee36fa4661d745a467c3bba0e1034fd1f4b77 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 7 May 2010 11:05:05 +1000
Subject: [PATCH 2854/3638] xfs: Don't reuse the same transaction ID for
 duplicated transactions.

The transaction ID is written into the log as the unique identifier
for transactions during recover. When duplicating a transaction, we
reuse the log ticket, which means it has the same transaction ID as
the previous transaction.

Rather than regenerating a random transaction ID for the duplicated
transaction, just add one to the current ID so that duplicated
transaction can be easily spotted in the log and during recovery
during problem diagnosis.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_log.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 3038dd52c72..687b220c6af 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -360,6 +360,15 @@ xfs_log_reserve(
 		ASSERT(flags & XFS_LOG_PERM_RESERV);
 		internal_ticket = *ticket;
 
+		/*
+		 * this is a new transaction on the ticket, so we need to
+		 * change the transaction ID so that the next transaction has a
+		 * different TID in the log. Just add one to the existing tid
+		 * so that we can see chains of rolling transactions in the log
+		 * easily.
+		 */
+		internal_ticket->t_tid++;
+
 		trace_xfs_log_reserve(log, internal_ticket);
 
 		xlog_grant_push_ail(mp, internal_ticket->t_unit_res);

From 3383ca5780f88bb2c119174045ed77d5ece08072 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 7 May 2010 11:04:17 +1000
Subject: [PATCH 2855/3638] xfs: allow log ticket allocation to take allocation
 flags

Delayed logging currently requires ticket allocation to succeed, so
we need to be able to sleep on allocation. It also should not allow
memory allocation to recurse into the filesystem. hence we need to
pass allocation flags directing the type of allocation the caller
requires.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_log.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 687b220c6af..83be6a6aa0d 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -88,11 +88,9 @@ STATIC void xlog_ungrant_log_space(xlog_t	 *log,
 
 
 /* local ticket functions */
-STATIC xlog_ticket_t	*xlog_ticket_alloc(xlog_t *log,
-					 int	unit_bytes,
-					 int	count,
-					 char	clientid,
-					 uint	flags);
+STATIC xlog_ticket_t *xlog_ticket_alloc(xlog_t *log, int unit_bytes, int count,
+					char clientid, uint flags,
+					int alloc_flags);
 
 #if defined(DEBUG)
 STATIC void	xlog_verify_dest_ptr(xlog_t *log, char *ptr);
@@ -376,7 +374,8 @@ xfs_log_reserve(
 	} else {
 		/* may sleep if need to allocate more tickets */
 		internal_ticket = xlog_ticket_alloc(log, unit_bytes, cnt,
-						  client, flags);
+						  client, flags,
+						  KM_SLEEP|KM_MAYFAIL);
 		if (!internal_ticket)
 			return XFS_ERROR(ENOMEM);
 		internal_ticket->t_trans_type = t_type;
@@ -3331,13 +3330,14 @@ xlog_ticket_alloc(
 	int		unit_bytes,
 	int		cnt,
 	char		client,
-	uint		xflags)
+	uint		xflags,
+	int		alloc_flags)
 {
 	struct xlog_ticket *tic;
 	uint		num_headers;
 	int		iclog_space;
 
-	tic = kmem_zone_zalloc(xfs_log_ticket_zone, KM_SLEEP|KM_MAYFAIL);
+	tic = kmem_zone_zalloc(xfs_log_ticket_zone, alloc_flags);
 	if (!tic)
 		return NULL;
 

From 64fc35de60da3b1fe970168d10914bf1cf34a3e3 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 7 May 2010 11:04:34 +1000
Subject: [PATCH 2856/3638] xfs: modify buffer item reference counting
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The buffer log item reference counts used to take referenceѕ for every
transaction, similar to the pin counting. This is symmetric (like the
pin/unpin) with respect to transaction completion, but with dleayed logging
becomes assymetric as the pinning becomes assymetric w.r.t. transaction
completion.

To make both cases the same, allow the buffer pinning to take a reference to
the buffer log item and always drop the reference the transaction has on it
when being unlocked. This is balanced correctly because the unpin operation
always drops a reference to the log item. Hence reference counting becomes
symmetric w.r.t. item pinning as well as w.r.t active transactions and as a
result the reference counting model remain consistent between normal and
delayed logging.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_buf_item.c | 116 +++++++++++++++++++-----------------------
 1 file changed, 53 insertions(+), 63 deletions(-)

diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 240340a4727..4cd5f615371 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -341,10 +341,15 @@ xfs_buf_item_format(
 }
 
 /*
- * This is called to pin the buffer associated with the buf log
- * item in memory so it cannot be written out.  Simply call bpin()
- * on the buffer to do this.
+ * This is called to pin the buffer associated with the buf log item in memory
+ * so it cannot be written out.  Simply call bpin() on the buffer to do this.
+ *
+ * We also always take a reference to the buffer log item here so that the bli
+ * is held while the item is pinned in memory. This means that we can
+ * unconditionally drop the reference count a transaction holds when the
+ * transaction is completed.
  */
+
 STATIC void
 xfs_buf_item_pin(
 	xfs_buf_log_item_t	*bip)
@@ -356,6 +361,7 @@ xfs_buf_item_pin(
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);
 	ASSERT((bip->bli_flags & XFS_BLI_LOGGED) ||
 	       (bip->bli_flags & XFS_BLI_STALE));
+	atomic_inc(&bip->bli_refcount);
 	trace_xfs_buf_item_pin(bip);
 	xfs_bpin(bp);
 }
@@ -489,20 +495,23 @@ xfs_buf_item_trylock(
 }
 
 /*
- * Release the buffer associated with the buf log item.
- * If there is no dirty logged data associated with the
- * buffer recorded in the buf log item, then free the
- * buf log item and remove the reference to it in the
- * buffer.
+ * Release the buffer associated with the buf log item.  If there is no dirty
+ * logged data associated with the buffer recorded in the buf log item, then
+ * free the buf log item and remove the reference to it in the buffer.
  *
- * This call ignores the recursion count.  It is only called
- * when the buffer should REALLY be unlocked, regardless
- * of the recursion count.
+ * This call ignores the recursion count.  It is only called when the buffer
+ * should REALLY be unlocked, regardless of the recursion count.
  *
- * If the XFS_BLI_HOLD flag is set in the buf log item, then
- * free the log item if necessary but do not unlock the buffer.
- * This is for support of xfs_trans_bhold(). Make sure the
- * XFS_BLI_HOLD field is cleared if we don't free the item.
+ * We unconditionally drop the transaction's reference to the log item. If the
+ * item was logged, then another reference was taken when it was pinned, so we
+ * can safely drop the transaction reference now.  This also allows us to avoid
+ * potential races with the unpin code freeing the bli by not referencing the
+ * bli after we've dropped the reference count.
+ *
+ * If the XFS_BLI_HOLD flag is set in the buf log item, then free the log item
+ * if necessary but do not unlock the buffer.  This is for support of
+ * xfs_trans_bhold(). Make sure the XFS_BLI_HOLD field is cleared if we don't
+ * free the item.
  */
 STATIC void
 xfs_buf_item_unlock(
@@ -514,73 +523,54 @@ xfs_buf_item_unlock(
 
 	bp = bip->bli_buf;
 
-	/*
-	 * Clear the buffer's association with this transaction.
-	 */
+	/* Clear the buffer's association with this transaction. */
 	XFS_BUF_SET_FSPRIVATE2(bp, NULL);
 
 	/*
-	 * If this is a transaction abort, don't return early.
-	 * Instead, allow the brelse to happen.
-	 * Normally it would be done for stale (cancelled) buffers
-	 * at unpin time, but we'll never go through the pin/unpin
-	 * cycle if we abort inside commit.
+	 * If this is a transaction abort, don't return early.  Instead, allow
+	 * the brelse to happen.  Normally it would be done for stale
+	 * (cancelled) buffers at unpin time, but we'll never go through the
+	 * pin/unpin cycle if we abort inside commit.
 	 */
 	aborted = (bip->bli_item.li_flags & XFS_LI_ABORTED) != 0;
 
-	/*
-	 * If the buf item is marked stale, then don't do anything.
-	 * We'll unlock the buffer and free the buf item when the
-	 * buffer is unpinned for the last time.
-	 */
-	if (bip->bli_flags & XFS_BLI_STALE) {
-		bip->bli_flags &= ~XFS_BLI_LOGGED;
-		trace_xfs_buf_item_unlock_stale(bip);
-		ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
-		if (!aborted)
-			return;
-	}
-
-	/*
-	 * Drop the transaction's reference to the log item if
-	 * it was not logged as part of the transaction.  Otherwise
-	 * we'll drop the reference in xfs_buf_item_unpin() when
-	 * the transaction is really through with the buffer.
-	 */
-	if (!(bip->bli_flags & XFS_BLI_LOGGED)) {
-		atomic_dec(&bip->bli_refcount);
-	} else {
-		/*
-		 * Clear the logged flag since this is per
-		 * transaction state.
-		 */
-		bip->bli_flags &= ~XFS_BLI_LOGGED;
-	}
-
 	/*
 	 * Before possibly freeing the buf item, determine if we should
 	 * release the buffer at the end of this routine.
 	 */
 	hold = bip->bli_flags & XFS_BLI_HOLD;
+
+	/* Clear the per transaction state. */
+	bip->bli_flags &= ~(XFS_BLI_LOGGED | XFS_BLI_HOLD);
+
+	/*
+	 * If the buf item is marked stale, then don't do anything.  We'll
+	 * unlock the buffer and free the buf item when the buffer is unpinned
+	 * for the last time.
+	 */
+	if (bip->bli_flags & XFS_BLI_STALE) {
+		trace_xfs_buf_item_unlock_stale(bip);
+		ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
+		if (!aborted) {
+			atomic_dec(&bip->bli_refcount);
+			return;
+		}
+	}
+
 	trace_xfs_buf_item_unlock(bip);
 
 	/*
-	 * If the buf item isn't tracking any data, free it.
-	 * Otherwise, if XFS_BLI_HOLD is set clear it.
+	 * If the buf item isn't tracking any data, free it, otherwise drop the
+	 * reference we hold to it.
 	 */
 	if (xfs_bitmap_empty(bip->bli_format.blf_data_map,
-			     bip->bli_format.blf_map_size)) {
+			     bip->bli_format.blf_map_size))
 		xfs_buf_item_relse(bp);
-	} else if (hold) {
-		bip->bli_flags &= ~XFS_BLI_HOLD;
-	}
+	else
+		atomic_dec(&bip->bli_refcount);
 
-	/*
-	 * Release the buffer if XFS_BLI_HOLD was not set.
-	 */
-	if (!hold) {
+	if (!hold)
 		xfs_buf_relse(bp);
-	}
 }
 
 /*

From c11554104f4dcb509fd43973389b097a04b9d51d Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 7 May 2010 11:05:19 +1000
Subject: [PATCH 2857/3638] xfs: Clean up XFS_BLI_* flag namespace

Clean up the buffer log format (XFS_BLI_*) flags because they have a
polluted namespace. They XFS_BLI_ prefix is used for both in-memory
and on-disk flag feilds, but have overlapping values for different
flags. Rename the buffer log format flags to use the XFS_BLF_*
prefix to avoid confusing them with the in-memory XFS_BLI_* prefixed
flags.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_super.c |  2 +-
 fs/xfs/quota/xfs_dquot.c     |  6 ++---
 fs/xfs/xfs_buf_item.c        | 42 ++++++++++++++++----------------
 fs/xfs/xfs_buf_item.h        | 14 +++++------
 fs/xfs/xfs_log_recover.c     | 46 ++++++++++++++++++------------------
 fs/xfs/xfs_log_recover.h     |  2 +-
 fs/xfs/xfs_trans_buf.c       | 28 +++++++++++-----------
 7 files changed, 70 insertions(+), 70 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index e9002513e08..a8ea03afe2e 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -1754,7 +1754,7 @@ xfs_init_zones(void)
 	 * but it is much faster.
 	 */
 	xfs_buf_item_zone = kmem_zone_init((sizeof(xfs_buf_log_item_t) +
-				(((XFS_MAX_BLOCKSIZE / XFS_BLI_CHUNK) /
+				(((XFS_MAX_BLOCKSIZE / XFS_BLF_CHUNK) /
 				  NBWORD) * sizeof(int))), "xfs_buf_item");
 	if (!xfs_buf_item_zone)
 		goto out_destroy_trans_zone;
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index b89ec5df012..585e7633dfc 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -344,9 +344,9 @@ xfs_qm_init_dquot_blk(
 	for (i = 0; i < q->qi_dqperchunk; i++, d++, curid++)
 		xfs_qm_dqinit_core(curid, type, d);
 	xfs_trans_dquot_buf(tp, bp,
-			    (type & XFS_DQ_USER ? XFS_BLI_UDQUOT_BUF :
-			    ((type & XFS_DQ_PROJ) ? XFS_BLI_PDQUOT_BUF :
-			     XFS_BLI_GDQUOT_BUF)));
+			    (type & XFS_DQ_USER ? XFS_BLF_UDQUOT_BUF :
+			    ((type & XFS_DQ_PROJ) ? XFS_BLF_PDQUOT_BUF :
+			     XFS_BLF_GDQUOT_BUF)));
 	xfs_trans_log_buf(tp, bp, 0, BBTOB(q->qi_dqchunklen) - 1);
 }
 
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 4cd5f615371..bcbb6615083 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -64,7 +64,7 @@ xfs_buf_item_log_debug(
 	nbytes = last - first + 1;
 	bfset(bip->bli_logged, first, nbytes);
 	for (x = 0; x < nbytes; x++) {
-		chunk_num = byte >> XFS_BLI_SHIFT;
+		chunk_num = byte >> XFS_BLF_SHIFT;
 		word_num = chunk_num >> BIT_TO_WORD_SHIFT;
 		bit_num = chunk_num & (NBWORD - 1);
 		wordp = &(bip->bli_format.blf_data_map[word_num]);
@@ -166,7 +166,7 @@ xfs_buf_item_size(
 		 * cancel flag in it.
 		 */
 		trace_xfs_buf_item_size_stale(bip);
-		ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
+		ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
 		return 1;
 	}
 
@@ -197,9 +197,9 @@ xfs_buf_item_size(
 		} else if (next_bit != last_bit + 1) {
 			last_bit = next_bit;
 			nvecs++;
-		} else if (xfs_buf_offset(bp, next_bit * XFS_BLI_CHUNK) !=
-			   (xfs_buf_offset(bp, last_bit * XFS_BLI_CHUNK) +
-			    XFS_BLI_CHUNK)) {
+		} else if (xfs_buf_offset(bp, next_bit * XFS_BLF_CHUNK) !=
+			   (xfs_buf_offset(bp, last_bit * XFS_BLF_CHUNK) +
+			    XFS_BLF_CHUNK)) {
 			last_bit = next_bit;
 			nvecs++;
 		} else {
@@ -261,7 +261,7 @@ xfs_buf_item_format(
 		 * cancel flag in it.
 		 */
 		trace_xfs_buf_item_format_stale(bip);
-		ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
+		ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
 		bip->bli_format.blf_size = nvecs;
 		return;
 	}
@@ -294,28 +294,28 @@ xfs_buf_item_format(
 		 * keep counting and scanning.
 		 */
 		if (next_bit == -1) {
-			buffer_offset = first_bit * XFS_BLI_CHUNK;
+			buffer_offset = first_bit * XFS_BLF_CHUNK;
 			vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
-			vecp->i_len = nbits * XFS_BLI_CHUNK;
+			vecp->i_len = nbits * XFS_BLF_CHUNK;
 			vecp->i_type = XLOG_REG_TYPE_BCHUNK;
 			nvecs++;
 			break;
 		} else if (next_bit != last_bit + 1) {
-			buffer_offset = first_bit * XFS_BLI_CHUNK;
+			buffer_offset = first_bit * XFS_BLF_CHUNK;
 			vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
-			vecp->i_len = nbits * XFS_BLI_CHUNK;
+			vecp->i_len = nbits * XFS_BLF_CHUNK;
 			vecp->i_type = XLOG_REG_TYPE_BCHUNK;
 			nvecs++;
 			vecp++;
 			first_bit = next_bit;
 			last_bit = next_bit;
 			nbits = 1;
-		} else if (xfs_buf_offset(bp, next_bit << XFS_BLI_SHIFT) !=
-			   (xfs_buf_offset(bp, last_bit << XFS_BLI_SHIFT) +
-			    XFS_BLI_CHUNK)) {
-			buffer_offset = first_bit * XFS_BLI_CHUNK;
+		} else if (xfs_buf_offset(bp, next_bit << XFS_BLF_SHIFT) !=
+			   (xfs_buf_offset(bp, last_bit << XFS_BLF_SHIFT) +
+			    XFS_BLF_CHUNK)) {
+			buffer_offset = first_bit * XFS_BLF_CHUNK;
 			vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
-			vecp->i_len = nbits * XFS_BLI_CHUNK;
+			vecp->i_len = nbits * XFS_BLF_CHUNK;
 			vecp->i_type = XLOG_REG_TYPE_BCHUNK;
 /* You would think we need to bump the nvecs here too, but we do not
  * this number is used by recovery, and it gets confused by the boundary
@@ -399,7 +399,7 @@ xfs_buf_item_unpin(
 		ASSERT(XFS_BUF_VALUSEMA(bp) <= 0);
 		ASSERT(!(XFS_BUF_ISDELAYWRITE(bp)));
 		ASSERT(XFS_BUF_ISSTALE(bp));
-		ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
+		ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
 		trace_xfs_buf_item_unpin_stale(bip);
 
 		/*
@@ -550,7 +550,7 @@ xfs_buf_item_unlock(
 	 */
 	if (bip->bli_flags & XFS_BLI_STALE) {
 		trace_xfs_buf_item_unlock_stale(bip);
-		ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
+		ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
 		if (!aborted) {
 			atomic_dec(&bip->bli_refcount);
 			return;
@@ -707,12 +707,12 @@ xfs_buf_item_init(
 	}
 
 	/*
-	 * chunks is the number of XFS_BLI_CHUNK size pieces
+	 * chunks is the number of XFS_BLF_CHUNK size pieces
 	 * the buffer can be divided into. Make sure not to
 	 * truncate any pieces.  map_size is the size of the
 	 * bitmap needed to describe the chunks of the buffer.
 	 */
-	chunks = (int)((XFS_BUF_COUNT(bp) + (XFS_BLI_CHUNK - 1)) >> XFS_BLI_SHIFT);
+	chunks = (int)((XFS_BUF_COUNT(bp) + (XFS_BLF_CHUNK - 1)) >> XFS_BLF_SHIFT);
 	map_size = (int)((chunks + NBWORD) >> BIT_TO_WORD_SHIFT);
 
 	bip = (xfs_buf_log_item_t*)kmem_zone_zalloc(xfs_buf_item_zone,
@@ -780,8 +780,8 @@ xfs_buf_item_log(
 	/*
 	 * Convert byte offsets to bit numbers.
 	 */
-	first_bit = first >> XFS_BLI_SHIFT;
-	last_bit = last >> XFS_BLI_SHIFT;
+	first_bit = first >> XFS_BLF_SHIFT;
+	last_bit = last >> XFS_BLF_SHIFT;
 
 	/*
 	 * Calculate the total number of bits to be set.
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index df4454511f7..8cbb82b1d95 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -41,22 +41,22 @@ typedef struct xfs_buf_log_format {
  * This flag indicates that the buffer contains on disk inodes
  * and requires special recovery handling.
  */
-#define	XFS_BLI_INODE_BUF	0x1
+#define	XFS_BLF_INODE_BUF	0x1
 /*
  * This flag indicates that the buffer should not be replayed
  * during recovery because its blocks are being freed.
  */
-#define	XFS_BLI_CANCEL		0x2
+#define	XFS_BLF_CANCEL		0x2
 /*
  * This flag indicates that the buffer contains on disk
  * user or group dquots and may require special recovery handling.
  */
-#define	XFS_BLI_UDQUOT_BUF	0x4
-#define XFS_BLI_PDQUOT_BUF	0x8
-#define	XFS_BLI_GDQUOT_BUF	0x10
+#define	XFS_BLF_UDQUOT_BUF	0x4
+#define XFS_BLF_PDQUOT_BUF	0x8
+#define	XFS_BLF_GDQUOT_BUF	0x10
 
-#define	XFS_BLI_CHUNK		128
-#define	XFS_BLI_SHIFT		7
+#define	XFS_BLF_CHUNK		128
+#define	XFS_BLF_SHIFT		7
 #define	BIT_TO_WORD_SHIFT	5
 #define	NBWORD			(NBBY * sizeof(unsigned int))
 
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 0de08e36631..14a69aec2c0 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1576,7 +1576,7 @@ xlog_recover_reorder_trans(
 
 		switch (ITEM_TYPE(item)) {
 		case XFS_LI_BUF:
-			if (!(buf_f->blf_flags & XFS_BLI_CANCEL)) {
+			if (!(buf_f->blf_flags & XFS_BLF_CANCEL)) {
 				trace_xfs_log_recover_item_reorder_head(log,
 							trans, item, pass);
 				list_move(&item->ri_list, &trans->r_itemq);
@@ -1638,7 +1638,7 @@ xlog_recover_do_buffer_pass1(
 	/*
 	 * If this isn't a cancel buffer item, then just return.
 	 */
-	if (!(flags & XFS_BLI_CANCEL)) {
+	if (!(flags & XFS_BLF_CANCEL)) {
 		trace_xfs_log_recover_buf_not_cancel(log, buf_f);
 		return;
 	}
@@ -1696,7 +1696,7 @@ xlog_recover_do_buffer_pass1(
  * Check to see whether the buffer being recovered has a corresponding
  * entry in the buffer cancel record table.  If it does then return 1
  * so that it will be cancelled, otherwise return 0.  If the buffer is
- * actually a buffer cancel item (XFS_BLI_CANCEL is set), then decrement
+ * actually a buffer cancel item (XFS_BLF_CANCEL is set), then decrement
  * the refcount on the entry in the table and remove it from the table
  * if this is the last reference.
  *
@@ -1721,7 +1721,7 @@ xlog_check_buffer_cancelled(
 		 * There is nothing in the table built in pass one,
 		 * so this buffer must not be cancelled.
 		 */
-		ASSERT(!(flags & XFS_BLI_CANCEL));
+		ASSERT(!(flags & XFS_BLF_CANCEL));
 		return 0;
 	}
 
@@ -1733,7 +1733,7 @@ xlog_check_buffer_cancelled(
 		 * There is no corresponding entry in the table built
 		 * in pass one, so this buffer has not been cancelled.
 		 */
-		ASSERT(!(flags & XFS_BLI_CANCEL));
+		ASSERT(!(flags & XFS_BLF_CANCEL));
 		return 0;
 	}
 
@@ -1752,7 +1752,7 @@ xlog_check_buffer_cancelled(
 			 * one in the table and remove it if this is the
 			 * last reference.
 			 */
-			if (flags & XFS_BLI_CANCEL) {
+			if (flags & XFS_BLF_CANCEL) {
 				bcp->bc_refcount--;
 				if (bcp->bc_refcount == 0) {
 					if (prevp == NULL) {
@@ -1772,7 +1772,7 @@ xlog_check_buffer_cancelled(
 	 * We didn't find a corresponding entry in the table, so
 	 * return 0 so that the buffer is NOT cancelled.
 	 */
-	ASSERT(!(flags & XFS_BLI_CANCEL));
+	ASSERT(!(flags & XFS_BLF_CANCEL));
 	return 0;
 }
 
@@ -1874,8 +1874,8 @@ xlog_recover_do_inode_buffer(
 			nbits = xfs_contig_bits(data_map, map_size,
 							 bit);
 			ASSERT(nbits > 0);
-			reg_buf_offset = bit << XFS_BLI_SHIFT;
-			reg_buf_bytes = nbits << XFS_BLI_SHIFT;
+			reg_buf_offset = bit << XFS_BLF_SHIFT;
+			reg_buf_bytes = nbits << XFS_BLF_SHIFT;
 			item_index++;
 		}
 
@@ -1889,7 +1889,7 @@ xlog_recover_do_inode_buffer(
 		}
 
 		ASSERT(item->ri_buf[item_index].i_addr != NULL);
-		ASSERT((item->ri_buf[item_index].i_len % XFS_BLI_CHUNK) == 0);
+		ASSERT((item->ri_buf[item_index].i_len % XFS_BLF_CHUNK) == 0);
 		ASSERT((reg_buf_offset + reg_buf_bytes) <= XFS_BUF_COUNT(bp));
 
 		/*
@@ -1955,9 +1955,9 @@ xlog_recover_do_reg_buffer(
 		nbits = xfs_contig_bits(data_map, map_size, bit);
 		ASSERT(nbits > 0);
 		ASSERT(item->ri_buf[i].i_addr != NULL);
-		ASSERT(item->ri_buf[i].i_len % XFS_BLI_CHUNK == 0);
+		ASSERT(item->ri_buf[i].i_len % XFS_BLF_CHUNK == 0);
 		ASSERT(XFS_BUF_COUNT(bp) >=
-		       ((uint)bit << XFS_BLI_SHIFT)+(nbits<<XFS_BLI_SHIFT));
+		       ((uint)bit << XFS_BLF_SHIFT)+(nbits<<XFS_BLF_SHIFT));
 
 		/*
 		 * Do a sanity check if this is a dquot buffer. Just checking
@@ -1966,7 +1966,7 @@ xlog_recover_do_reg_buffer(
 		 */
 		error = 0;
 		if (buf_f->blf_flags &
-		   (XFS_BLI_UDQUOT_BUF|XFS_BLI_PDQUOT_BUF|XFS_BLI_GDQUOT_BUF)) {
+		   (XFS_BLF_UDQUOT_BUF|XFS_BLF_PDQUOT_BUF|XFS_BLF_GDQUOT_BUF)) {
 			if (item->ri_buf[i].i_addr == NULL) {
 				cmn_err(CE_ALERT,
 					"XFS: NULL dquot in %s.", __func__);
@@ -1987,9 +1987,9 @@ xlog_recover_do_reg_buffer(
 		}
 
 		memcpy(xfs_buf_offset(bp,
-			(uint)bit << XFS_BLI_SHIFT),	/* dest */
+			(uint)bit << XFS_BLF_SHIFT),	/* dest */
 			item->ri_buf[i].i_addr,		/* source */
-			nbits<<XFS_BLI_SHIFT);		/* length */
+			nbits<<XFS_BLF_SHIFT);		/* length */
  next:
 		i++;
 		bit += nbits;
@@ -2148,11 +2148,11 @@ xlog_recover_do_dquot_buffer(
 	}
 
 	type = 0;
-	if (buf_f->blf_flags & XFS_BLI_UDQUOT_BUF)
+	if (buf_f->blf_flags & XFS_BLF_UDQUOT_BUF)
 		type |= XFS_DQ_USER;
-	if (buf_f->blf_flags & XFS_BLI_PDQUOT_BUF)
+	if (buf_f->blf_flags & XFS_BLF_PDQUOT_BUF)
 		type |= XFS_DQ_PROJ;
-	if (buf_f->blf_flags & XFS_BLI_GDQUOT_BUF)
+	if (buf_f->blf_flags & XFS_BLF_GDQUOT_BUF)
 		type |= XFS_DQ_GROUP;
 	/*
 	 * This type of quotas was turned off, so ignore this buffer
@@ -2173,7 +2173,7 @@ xlog_recover_do_dquot_buffer(
  * here which overlaps that may be stale.
  *
  * When meta-data buffers are freed at run time we log a buffer item
- * with the XFS_BLI_CANCEL bit set to indicate that previous copies
+ * with the XFS_BLF_CANCEL bit set to indicate that previous copies
  * of the buffer in the log should not be replayed at recovery time.
  * This is so that if the blocks covered by the buffer are reused for
  * file data before we crash we don't end up replaying old, freed
@@ -2207,7 +2207,7 @@ xlog_recover_do_buffer_trans(
 	if (pass == XLOG_RECOVER_PASS1) {
 		/*
 		 * In this pass we're only looking for buf items
-		 * with the XFS_BLI_CANCEL bit set.
+		 * with the XFS_BLF_CANCEL bit set.
 		 */
 		xlog_recover_do_buffer_pass1(log, buf_f);
 		return 0;
@@ -2244,7 +2244,7 @@ xlog_recover_do_buffer_trans(
 
 	mp = log->l_mp;
 	buf_flags = XBF_LOCK;
-	if (!(flags & XFS_BLI_INODE_BUF))
+	if (!(flags & XFS_BLF_INODE_BUF))
 		buf_flags |= XBF_MAPPED;
 
 	bp = xfs_buf_read(mp->m_ddev_targp, blkno, len, buf_flags);
@@ -2257,10 +2257,10 @@ xlog_recover_do_buffer_trans(
 	}
 
 	error = 0;
-	if (flags & XFS_BLI_INODE_BUF) {
+	if (flags & XFS_BLF_INODE_BUF) {
 		error = xlog_recover_do_inode_buffer(mp, item, bp, buf_f);
 	} else if (flags &
-		  (XFS_BLI_UDQUOT_BUF|XFS_BLI_PDQUOT_BUF|XFS_BLI_GDQUOT_BUF)) {
+		  (XFS_BLF_UDQUOT_BUF|XFS_BLF_PDQUOT_BUF|XFS_BLF_GDQUOT_BUF)) {
 		xlog_recover_do_dquot_buffer(mp, log, item, bp, buf_f);
 	} else {
 		xlog_recover_do_reg_buffer(mp, item, bp, buf_f);
diff --git a/fs/xfs/xfs_log_recover.h b/fs/xfs/xfs_log_recover.h
index 75d74920725..1c55ccbb379 100644
--- a/fs/xfs/xfs_log_recover.h
+++ b/fs/xfs/xfs_log_recover.h
@@ -28,7 +28,7 @@
 #define XLOG_RHASH(tid)	\
 	((((__uint32_t)tid)>>XLOG_RHASH_SHIFT) & (XLOG_RHASH_SIZE-1))
 
-#define XLOG_MAX_REGIONS_IN_ITEM   (XFS_MAX_BLOCKSIZE / XFS_BLI_CHUNK / 2 + 1)
+#define XLOG_MAX_REGIONS_IN_ITEM   (XFS_MAX_BLOCKSIZE / XFS_BLF_CHUNK / 2 + 1)
 
 
 /*
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 9cd809025f3..3390c3e7441 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -114,7 +114,7 @@ _xfs_trans_bjoin(
 	xfs_buf_item_init(bp, tp->t_mountp);
 	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
 	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
+	ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
 	ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED));
 	if (reset_recur)
 		bip->bli_recur = 0;
@@ -511,7 +511,7 @@ xfs_trans_brelse(xfs_trans_t	*tp,
 	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
 	ASSERT(bip->bli_item.li_type == XFS_LI_BUF);
 	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
+	ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);
 
 	/*
@@ -619,7 +619,7 @@ xfs_trans_bhold(xfs_trans_t	*tp,
 
 	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
 	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
+	ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);
 	bip->bli_flags |= XFS_BLI_HOLD;
 	trace_xfs_trans_bhold(bip);
@@ -641,7 +641,7 @@ xfs_trans_bhold_release(xfs_trans_t	*tp,
 
 	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
 	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
+	ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);
 	ASSERT(bip->bli_flags & XFS_BLI_HOLD);
 	bip->bli_flags &= ~XFS_BLI_HOLD;
@@ -704,7 +704,7 @@ xfs_trans_log_buf(xfs_trans_t	*tp,
 		bip->bli_flags &= ~XFS_BLI_STALE;
 		ASSERT(XFS_BUF_ISSTALE(bp));
 		XFS_BUF_UNSTALE(bp);
-		bip->bli_format.blf_flags &= ~XFS_BLI_CANCEL;
+		bip->bli_format.blf_flags &= ~XFS_BLF_CANCEL;
 	}
 
 	lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)bip);
@@ -762,8 +762,8 @@ xfs_trans_binval(
 		ASSERT(!(XFS_BUF_ISDELAYWRITE(bp)));
 		ASSERT(XFS_BUF_ISSTALE(bp));
 		ASSERT(!(bip->bli_flags & (XFS_BLI_LOGGED | XFS_BLI_DIRTY)));
-		ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_INODE_BUF));
-		ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
+		ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_INODE_BUF));
+		ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
 		ASSERT(lidp->lid_flags & XFS_LID_DIRTY);
 		ASSERT(tp->t_flags & XFS_TRANS_DIRTY);
 		return;
@@ -774,7 +774,7 @@ xfs_trans_binval(
 	 * in the buf log item.  The STALE flag will be used in
 	 * xfs_buf_item_unpin() to determine if it should clean up
 	 * when the last reference to the buf item is given up.
-	 * We set the XFS_BLI_CANCEL flag in the buf log format structure
+	 * We set the XFS_BLF_CANCEL flag in the buf log format structure
 	 * and log the buf item.  This will be used at recovery time
 	 * to determine that copies of the buffer in the log before
 	 * this should not be replayed.
@@ -793,8 +793,8 @@ xfs_trans_binval(
 	XFS_BUF_STALE(bp);
 	bip->bli_flags |= XFS_BLI_STALE;
 	bip->bli_flags &= ~(XFS_BLI_LOGGED | XFS_BLI_DIRTY);
-	bip->bli_format.blf_flags &= ~XFS_BLI_INODE_BUF;
-	bip->bli_format.blf_flags |= XFS_BLI_CANCEL;
+	bip->bli_format.blf_flags &= ~XFS_BLF_INODE_BUF;
+	bip->bli_format.blf_flags |= XFS_BLF_CANCEL;
 	memset((char *)(bip->bli_format.blf_data_map), 0,
 	      (bip->bli_format.blf_map_size * sizeof(uint)));
 	lidp->lid_flags |= XFS_LID_DIRTY;
@@ -826,7 +826,7 @@ xfs_trans_inode_buf(
 	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);
 
-	bip->bli_format.blf_flags |= XFS_BLI_INODE_BUF;
+	bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF;
 }
 
 /*
@@ -908,9 +908,9 @@ xfs_trans_dquot_buf(
 	ASSERT(XFS_BUF_ISBUSY(bp));
 	ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp);
 	ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL);
-	ASSERT(type == XFS_BLI_UDQUOT_BUF ||
-	       type == XFS_BLI_PDQUOT_BUF ||
-	       type == XFS_BLI_GDQUOT_BUF);
+	ASSERT(type == XFS_BLF_UDQUOT_BUF ||
+	       type == XFS_BLF_PDQUOT_BUF ||
+	       type == XFS_BLF_GDQUOT_BUF);
 
 	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);

From 169a7b078eaa765e6bd09865c985298ee9084a89 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 7 May 2010 11:05:31 +1000
Subject: [PATCH 2858/3638] xfs: clean up log ticket overrun debug output

Push the error message output when a ticket overrun is detected
into the ticket printing functions. Also remove the debug version
of the code as the production version will still panic just as
effectively on a debug kernel via the panic mask being set.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_error.c |  2 +-
 fs/xfs/xfs_log.c   | 19 +++++--------------
 2 files changed, 6 insertions(+), 15 deletions(-)

diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index ef96175c074..047b8a8e5c2 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -170,7 +170,7 @@ xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...)
 	va_list ap;
 
 #ifdef DEBUG
-	xfs_panic_mask |= XFS_PTAG_SHUTDOWN_CORRUPT;
+	xfs_panic_mask |= (XFS_PTAG_SHUTDOWN_CORRUPT | XFS_PTAG_LOGRES);
 #endif
 
 	if (xfs_panic_mask && (xfs_panic_mask & panic_tag)
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 83be6a6aa0d..1efb303d3aa 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1645,6 +1645,10 @@ xlog_print_tic_res(xfs_mount_t *mp, xlog_ticket_t *ticket)
 			    "bad-rtype" : res_type_str[r_type-1]),
 			    ticket->t_res_arr[i].r_len);
 	}
+
+	xfs_cmn_err(XFS_PTAG_LOGRES, CE_ALERT, mp,
+		"xfs_log_write: reservation ran out. Need to up reservation");
+	xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
 }
 
 /*
@@ -1897,21 +1901,8 @@ xlog_write(
 	*start_lsn = 0;
 
 	len = xlog_write_calc_vec_length(ticket, log_vector);
-	if (ticket->t_curr_res < len) {
+	if (ticket->t_curr_res < len)
 		xlog_print_tic_res(log->l_mp, ticket);
-#ifdef DEBUG
-		xlog_panic(
-	"xfs_log_write: reservation ran out. Need to up reservation");
-#else
-		/* Customer configurable panic */
-		xfs_cmn_err(XFS_PTAG_LOGRES, CE_ALERT, log->l_mp,
-	"xfs_log_write: reservation ran out. Need to up reservation");
-
-		/* If we did not panic, shutdown the filesystem */
-		xfs_force_shutdown(log->l_mp, SHUTDOWN_CORRUPT_INCORE);
-#endif
-	}
-
 	ticket->t_curr_res -= len;
 
 	index = 0;

From 955833cf2ad0aa39b336e853cad212d867199984 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 14 May 2010 21:41:46 +1000
Subject: [PATCH 2859/3638] xfs: make the log ticket ID available outside the
 log infrastructure

The ticket ID is needed to uniquely identify transactions when doing busy
extent matching. Delayed logging changes the lifecycle of busy extents with
respect to the transaction structure lifecycle. Hence we can no longer use
the transaction structure as a means of determining the owner of the busy
extent as it may be freed and reused while the busy extent is still active.

This commit provides the infrastructure to access the xlog_tid_t held in the
ticket from a transaction handle. This avoids the need for callers to peek
into the transaction and log structures to find this out.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_log.c      | 7 +++++++
 fs/xfs/xfs_log.h      | 4 +++-
 fs/xfs/xfs_log_priv.h | 2 --
 fs/xfs/xfs_types.h    | 2 ++
 4 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 1efb303d3aa..19d0c5f73e2 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -3312,6 +3312,13 @@ xfs_log_ticket_get(
 	return ticket;
 }
 
+xlog_tid_t
+xfs_log_get_trans_ident(
+	struct xfs_trans	*tp)
+{
+	return tp->t_ticket->t_tid;
+}
+
 /*
  * Allocate and initialise a new log ticket.
  */
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 229d1f36ba9..05f205aac91 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -19,7 +19,6 @@
 #define __XFS_LOG_H__
 
 /* get lsn fields */
-
 #define CYCLE_LSN(lsn) ((uint)((lsn)>>32))
 #define BLOCK_LSN(lsn) ((uint)(lsn))
 
@@ -134,6 +133,7 @@ struct xlog_in_core;
 struct xlog_ticket;
 struct xfs_log_item;
 struct xfs_item_ops;
+struct xfs_trans;
 
 void	xfs_log_item_init(struct xfs_mount	*mp,
 			struct xfs_log_item	*item,
@@ -190,6 +190,8 @@ void	  xlog_iodone(struct xfs_buf *);
 struct xlog_ticket * xfs_log_ticket_get(struct xlog_ticket *ticket);
 void	  xfs_log_ticket_put(struct xlog_ticket *ticket);
 
+xlog_tid_t xfs_log_get_trans_ident(struct xfs_trans *tp);
+
 #endif
 
 
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 9cf69515445..ac97bddcadb 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -152,8 +152,6 @@ static inline uint xlog_get_client_id(__be32 i)
 #define	XLOG_RECOVERY_NEEDED	0x4	/* log was recovered */
 #define XLOG_IO_ERROR		0x8	/* log hit an I/O error, and being
 					   shutdown */
-typedef __uint32_t xlog_tid_t;
-
 
 #ifdef __KERNEL__
 /*
diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h
index b09904555d0..320775295e3 100644
--- a/fs/xfs/xfs_types.h
+++ b/fs/xfs/xfs_types.h
@@ -75,6 +75,8 @@ typedef	__uint32_t	xfs_dahash_t;	/* dir/attr hash value */
 
 typedef __uint16_t	xfs_prid_t;	/* prid_t truncated to 16bits in XFS */
 
+typedef __uint32_t	xlog_tid_t;	/* transaction ID type */
+
 /*
  * These types are 64 bits on disk but are either 32 or 64 bits in memory.
  * Disk based types:

From ed3b4d6cdc81e8feefdbfa3c584614be301b6d39 Mon Sep 17 00:00:00 2001
From: Dave Chinner <david@fromorbit.com>
Date: Fri, 21 May 2010 12:07:08 +1000
Subject: [PATCH 2860/3638] xfs: Improve scalability of busy extent tracking

When we free a metadata extent, we record it in the per-AG busy
extent array so that it is not re-used before the freeing
transaction hits the disk. This array is fixed size, so when it
overflows we make further allocation transactions synchronous
because we cannot track more freed extents until those transactions
hit the disk and are completed. Under heavy mixed allocation and
freeing workloads with large log buffers, we can overflow this array
quite easily.

Further, the array is sparsely populated, which means that inserts
need to search for a free slot, and array searches often have to
search many more slots that are actually used to check all the
busy extents. Quite inefficient, really.

To enable this aspect of extent freeing to scale better, we need
a structure that can grow dynamically. While in other areas of
XFS we have used radix trees, the extents being freed are at random
locations on disk so are better suited to being indexed by an rbtree.

So, use a per-AG rbtree indexed by block number to track busy
extents.  This incures a memory allocation when marking an extent
busy, but should not occur too often in low memory situations. This
should scale to an arbitrary number of extents so should not be a
limitation for features such as in-memory aggregation of
transactions.

However, there are still situations where we can't avoid allocating
busy extents (such as allocation from the AGFL). To minimise the
overhead of such occurences, we need to avoid doing a synchronous
log force while holding the AGF locked to ensure that the previous
transactions are safely on disk before we use the extent. We can do
this by marking the transaction doing the allocation as synchronous
rather issuing a log force.

Because of the locking involved and the ordering of transactions,
the synchronous transaction provides the same guarantees as a
synchronous log force because it ensures that all the prior
transactions are already on disk when the synchronous transaction
hits the disk. i.e. it preserves the free->allocate order of the
extent correctly in recovery.

By doing this, we avoid holding the AGF locked while log writes are
in progress, hence reducing the length of time the lock is held and
therefore we increase the rate at which we can allocate and free
from the allocation group, thereby increasing overall throughput.

The only problem with this approach is that when a metadata buffer is
marked stale (e.g. a directory block is removed), then buffer remains
pinned and locked until the log goes to disk. The issue here is that
if that stale buffer is reallocated in a subsequent transaction, the
attempt to lock that buffer in the transaction will hang waiting
the log to go to disk to unlock and unpin the buffer. Hence if
someone tries to lock a pinned, stale, locked buffer we need to
push on the log to get it unlocked ASAP. Effectively we are trading
off a guaranteed log force for a much less common trigger for log
force to occur.

Ideally we should not reallocate busy extents. That is a much more
complex fix to the problem as it involves direct intervention in the
allocation btree searches in many places. This is left to a future
set of modifications.

Finally, now that we track busy extents in allocated memory, we
don't need the descriptors in the transaction structure to point to
them. We can replace the complex busy chunk infrastructure with a
simple linked list of busy extents. This allows us to remove a large
chunk of code, making the overall change a net reduction in code
size.

Signed-off-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/linux-2.6/xfs_buf.c      |   9 +
 fs/xfs/linux-2.6/xfs_quotaops.c |   1 +
 fs/xfs/linux-2.6/xfs_trace.h    | 111 ++++++----
 fs/xfs/xfs_ag.h                 |  24 +-
 fs/xfs/xfs_alloc.c              | 381 ++++++++++++++++++++++----------
 fs/xfs/xfs_alloc.h              |   7 +-
 fs/xfs/xfs_alloc_btree.c        |   2 +-
 fs/xfs/xfs_trans.c              |  41 +---
 fs/xfs/xfs_trans.h              |  35 +--
 fs/xfs/xfs_trans_item.c         | 109 ---------
 fs/xfs/xfs_trans_priv.h         |   4 -
 11 files changed, 376 insertions(+), 348 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index f01de3c55c4..649ade8ef59 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -37,6 +37,7 @@
 
 #include "xfs_sb.h"
 #include "xfs_inum.h"
+#include "xfs_log.h"
 #include "xfs_ag.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -850,6 +851,12 @@ xfs_buf_lock_value(
  *	Note that this in no way locks the underlying pages, so it is only
  *	useful for synchronizing concurrent use of buffer objects, not for
  *	synchronizing independent access to the underlying pages.
+ *
+ *	If we come across a stale, pinned, locked buffer, we know that we
+ *	are being asked to lock a buffer that has been reallocated. Because
+ *	it is pinned, we know that the log has not been pushed to disk and
+ *	hence it will still be locked. Rather than sleeping until someone
+ *	else pushes the log, push it ourselves before trying to get the lock.
  */
 void
 xfs_buf_lock(
@@ -857,6 +864,8 @@ xfs_buf_lock(
 {
 	trace_xfs_buf_lock(bp, _RET_IP_);
 
+	if (atomic_read(&bp->b_pin_count) && (bp->b_flags & XBF_STALE))
+		xfs_log_force(bp->b_mount, 0);
 	if (atomic_read(&bp->b_io_remaining))
 		blk_run_address_space(bp->b_target->bt_mapping);
 	down(&bp->b_sema);
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
index 1947514ce1a..2e73688dae9 100644
--- a/fs/xfs/linux-2.6/xfs_quotaops.c
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -19,6 +19,7 @@
 #include "xfs_dmapi.h"
 #include "xfs_sb.h"
 #include "xfs_inum.h"
+#include "xfs_log.h"
 #include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_quota.h"
diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
index 8a319cfd290..ff6bc797baf 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/linux-2.6/xfs_trace.h
@@ -1059,83 +1059,112 @@ TRACE_EVENT(xfs_bunmap,
 
 );
 
+#define XFS_BUSY_SYNC \
+	{ 0,	"async" }, \
+	{ 1,	"sync" }
+
 TRACE_EVENT(xfs_alloc_busy,
-	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno,
-		 xfs_extlen_t len, int slot),
-	TP_ARGS(mp, agno, agbno, len, slot),
+	TP_PROTO(struct xfs_trans *trans, xfs_agnumber_t agno,
+		 xfs_agblock_t agbno, xfs_extlen_t len, int sync),
+	TP_ARGS(trans, agno, agbno, len, sync),
+	TP_STRUCT__entry(
+		__field(dev_t, dev)
+		__field(struct xfs_trans *, tp)
+		__field(int, tid)
+		__field(xfs_agnumber_t, agno)
+		__field(xfs_agblock_t, agbno)
+		__field(xfs_extlen_t, len)
+		__field(int, sync)
+	),
+	TP_fast_assign(
+		__entry->dev = trans->t_mountp->m_super->s_dev;
+		__entry->tp = trans;
+		__entry->tid = trans->t_ticket->t_tid;
+		__entry->agno = agno;
+		__entry->agbno = agbno;
+		__entry->len = len;
+		__entry->sync = sync;
+	),
+	TP_printk("dev %d:%d trans 0x%p tid 0x%x agno %u agbno %u len %u %s",
+		  MAJOR(__entry->dev), MINOR(__entry->dev),
+		  __entry->tp,
+		  __entry->tid,
+		  __entry->agno,
+		  __entry->agbno,
+		  __entry->len,
+		  __print_symbolic(__entry->sync, XFS_BUSY_SYNC))
+
+);
+
+TRACE_EVENT(xfs_alloc_unbusy,
+	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
+		 xfs_agblock_t agbno, xfs_extlen_t len),
+	TP_ARGS(mp, agno, agbno, len),
 	TP_STRUCT__entry(
 		__field(dev_t, dev)
 		__field(xfs_agnumber_t, agno)
 		__field(xfs_agblock_t, agbno)
 		__field(xfs_extlen_t, len)
-		__field(int, slot)
 	),
 	TP_fast_assign(
 		__entry->dev = mp->m_super->s_dev;
 		__entry->agno = agno;
 		__entry->agbno = agbno;
 		__entry->len = len;
-		__entry->slot = slot;
 	),
-	TP_printk("dev %d:%d agno %u agbno %u len %u slot %d",
+	TP_printk("dev %d:%d agno %u agbno %u len %u",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->agno,
 		  __entry->agbno,
-		  __entry->len,
-		  __entry->slot)
-
+		  __entry->len)
 );
 
 #define XFS_BUSY_STATES \
-	{ 0,	"found" }, \
-	{ 1,	"missing" }
+	{ 0,	"missing" }, \
+	{ 1,	"found" }
 
-TRACE_EVENT(xfs_alloc_unbusy,
+TRACE_EVENT(xfs_alloc_busysearch,
 	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
-		 int slot, int found),
-	TP_ARGS(mp, agno, slot, found),
+		 xfs_agblock_t agbno, xfs_extlen_t len, int found),
+	TP_ARGS(mp, agno, agbno, len, found),
 	TP_STRUCT__entry(
 		__field(dev_t, dev)
 		__field(xfs_agnumber_t, agno)
-		__field(int, slot)
+		__field(xfs_agblock_t, agbno)
+		__field(xfs_extlen_t, len)
 		__field(int, found)
 	),
-	TP_fast_assign(
-		__entry->dev = mp->m_super->s_dev;
-		__entry->agno = agno;
-		__entry->slot = slot;
-		__entry->found = found;
-	),
-	TP_printk("dev %d:%d agno %u slot %d %s",
-		  MAJOR(__entry->dev), MINOR(__entry->dev),
-		  __entry->agno,
-		  __entry->slot,
-		  __print_symbolic(__entry->found, XFS_BUSY_STATES))
-);
-
-TRACE_EVENT(xfs_alloc_busysearch,
-	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno,
-		 xfs_extlen_t len, xfs_lsn_t lsn),
-	TP_ARGS(mp, agno, agbno, len, lsn),
-	TP_STRUCT__entry(
-		__field(dev_t, dev)
-		__field(xfs_agnumber_t, agno)
-		__field(xfs_agblock_t, agbno)
-		__field(xfs_extlen_t, len)
-		__field(xfs_lsn_t, lsn)
-	),
 	TP_fast_assign(
 		__entry->dev = mp->m_super->s_dev;
 		__entry->agno = agno;
 		__entry->agbno = agbno;
 		__entry->len = len;
-		__entry->lsn = lsn;
+		__entry->found = found;
 	),
-	TP_printk("dev %d:%d agno %u agbno %u len %u force lsn 0x%llx",
+	TP_printk("dev %d:%d agno %u agbno %u len %u %s",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->agno,
 		  __entry->agbno,
 		  __entry->len,
+		  __print_symbolic(__entry->found, XFS_BUSY_STATES))
+);
+
+TRACE_EVENT(xfs_trans_commit_lsn,
+	TP_PROTO(struct xfs_trans *trans),
+	TP_ARGS(trans),
+	TP_STRUCT__entry(
+		__field(dev_t, dev)
+		__field(struct xfs_trans *, tp)
+		__field(xfs_lsn_t, lsn)
+	),
+	TP_fast_assign(
+		__entry->dev = trans->t_mountp->m_super->s_dev;
+		__entry->tp = trans;
+		__entry->lsn = trans->t_commit_lsn;
+	),
+	TP_printk("dev %d:%d trans 0x%p commit_lsn 0x%llx",
+		  MAJOR(__entry->dev), MINOR(__entry->dev),
+		  __entry->tp,
 		  __entry->lsn)
 );
 
diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index abb8222b88c..401f364ad36 100644
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -175,14 +175,20 @@ typedef struct xfs_agfl {
 } xfs_agfl_t;
 
 /*
- * Busy block/extent entry.  Used in perag to mark blocks that have been freed
- * but whose transactions aren't committed to disk yet.
+ * Busy block/extent entry.  Indexed by a rbtree in perag to mark blocks that
+ * have been freed but whose transactions aren't committed to disk yet.
+ *
+ * Note that we use the transaction ID to record the transaction, not the
+ * transaction structure itself. See xfs_alloc_busy_insert() for details.
  */
-typedef struct xfs_perag_busy {
-	xfs_agblock_t	busy_start;
-	xfs_extlen_t	busy_length;
-	struct xfs_trans *busy_tp;	/* transaction that did the free */
-} xfs_perag_busy_t;
+struct xfs_busy_extent {
+	struct rb_node	rb_node;	/* ag by-bno indexed search tree */
+	struct list_head list;		/* transaction busy extent list */
+	xfs_agnumber_t	agno;
+	xfs_agblock_t	bno;
+	xfs_extlen_t	length;
+	xlog_tid_t	tid;		/* transaction that created this */
+};
 
 /*
  * Per-ag incore structure, copies of information in agf and agi,
@@ -216,7 +222,8 @@ typedef struct xfs_perag {
 	xfs_agino_t	pagl_leftrec;
 	xfs_agino_t	pagl_rightrec;
 #ifdef __KERNEL__
-	spinlock_t	pagb_lock;	/* lock for pagb_list */
+	spinlock_t	pagb_lock;	/* lock for pagb_tree */
+	struct rb_root	pagb_tree;	/* ordered tree of busy extents */
 
 	atomic_t        pagf_fstrms;    /* # of filestreams active in this AG */
 
@@ -226,7 +233,6 @@ typedef struct xfs_perag {
 	int		pag_ici_reclaimable;	/* reclaimable inodes */
 #endif
 	int		pagb_count;	/* pagb slots in use */
-	xfs_perag_busy_t pagb_list[XFS_PAGB_NUM_SLOTS];	/* unstable blocks */
 } xfs_perag_t;
 
 /*
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 94cddbfb256..a7fbe8a99b1 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -46,11 +46,9 @@
 #define	XFSA_FIXUP_BNO_OK	1
 #define	XFSA_FIXUP_CNT_OK	2
 
-STATIC void
-xfs_alloc_search_busy(xfs_trans_t *tp,
-		    xfs_agnumber_t agno,
-		    xfs_agblock_t bno,
-		    xfs_extlen_t len);
+static int
+xfs_alloc_busy_search(struct xfs_mount *mp, xfs_agnumber_t agno,
+		    xfs_agblock_t bno, xfs_extlen_t len);
 
 /*
  * Prototypes for per-ag allocation routines
@@ -540,9 +538,16 @@ xfs_alloc_ag_vextent(
 				be32_to_cpu(agf->agf_length));
 			xfs_alloc_log_agf(args->tp, args->agbp,
 						XFS_AGF_FREEBLKS);
-			/* search the busylist for these blocks */
-			xfs_alloc_search_busy(args->tp, args->agno,
-					args->agbno, args->len);
+			/*
+			 * Search the busylist for these blocks and mark the
+			 * transaction as synchronous if blocks are found. This
+			 * avoids the need to block due to a synchronous log
+			 * force to ensure correct ordering as the synchronous
+			 * transaction will guarantee that for us.
+			 */
+			if (xfs_alloc_busy_search(args->mp, args->agno,
+						args->agbno, args->len))
+				xfs_trans_set_sync(args->tp);
 		}
 		if (!args->isfl)
 			xfs_trans_mod_sb(args->tp,
@@ -1693,7 +1698,7 @@ xfs_free_ag_extent(
 	 * when the iclog commits to disk.  If a busy block is allocated,
 	 * the iclog is pushed up to the LSN that freed the block.
 	 */
-	xfs_alloc_mark_busy(tp, agno, bno, len);
+	xfs_alloc_busy_insert(tp, agno, bno, len);
 	return 0;
 
  error0:
@@ -1989,14 +1994,20 @@ xfs_alloc_get_freelist(
 	*bnop = bno;
 
 	/*
-	 * As blocks are freed, they are added to the per-ag busy list
-	 * and remain there until the freeing transaction is committed to
-	 * disk.  Now that we have allocated blocks, this list must be
-	 * searched to see if a block is being reused.  If one is, then
-	 * the freeing transaction must be pushed to disk NOW by forcing
-	 * to disk all iclogs up that transaction's LSN.
+	 * As blocks are freed, they are added to the per-ag busy list and
+	 * remain there until the freeing transaction is committed to disk.
+	 * Now that we have allocated blocks, this list must be searched to see
+	 * if a block is being reused.  If one is, then the freeing transaction
+	 * must be pushed to disk before this transaction.
+	 *
+	 * We do this by setting the current transaction to a sync transaction
+	 * which guarantees that the freeing transaction is on disk before this
+	 * transaction. This is done instead of a synchronous log force here so
+	 * that we don't sit and wait with the AGF locked in the transaction
+	 * during the log force.
 	 */
-	xfs_alloc_search_busy(tp, be32_to_cpu(agf->agf_seqno), bno, 1);
+	if (xfs_alloc_busy_search(mp, be32_to_cpu(agf->agf_seqno), bno, 1))
+		xfs_trans_set_sync(tp);
 	return 0;
 }
 
@@ -2201,7 +2212,7 @@ xfs_alloc_read_agf(
 			be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]);
 		spin_lock_init(&pag->pagb_lock);
 		pag->pagb_count = 0;
-		memset(pag->pagb_list, 0, sizeof(pag->pagb_list));
+		pag->pagb_tree = RB_ROOT;
 		pag->pagf_init = 1;
 	}
 #ifdef DEBUG
@@ -2479,127 +2490,263 @@ error0:
  * list is reused, the transaction that freed it must be forced to disk
  * before continuing to use the block.
  *
- * xfs_alloc_mark_busy - add to the per-ag busy list
- * xfs_alloc_clear_busy - remove an item from the per-ag busy list
+ * xfs_alloc_busy_insert - add to the per-ag busy list
+ * xfs_alloc_busy_clear - remove an item from the per-ag busy list
+ * xfs_alloc_busy_search - search for a busy extent
+ */
+
+/*
+ * Insert a new extent into the busy tree.
+ *
+ * The busy extent tree is indexed by the start block of the busy extent.
+ * there can be multiple overlapping ranges in the busy extent tree but only
+ * ever one entry at a given start block. The reason for this is that
+ * multi-block extents can be freed, then smaller chunks of that extent
+ * allocated and freed again before the first transaction commit is on disk.
+ * If the exact same start block is freed a second time, we have to wait for
+ * that busy extent to pass out of the tree before the new extent is inserted.
+ * There are two main cases we have to handle here.
+ *
+ * The first case is a transaction that triggers a "free - allocate - free"
+ * cycle. This can occur during btree manipulations as a btree block is freed
+ * to the freelist, then allocated from the free list, then freed again. In
+ * this case, the second extxpnet free is what triggers the duplicate and as
+ * such the transaction IDs should match. Because the extent was allocated in
+ * this transaction, the transaction must be marked as synchronous. This is
+ * true for all cases where the free/alloc/free occurs in the one transaction,
+ * hence the addition of the ASSERT(tp->t_flags & XFS_TRANS_SYNC) to this case.
+ * This serves to catch violations of the second case quite effectively.
+ *
+ * The second case is where the free/alloc/free occur in different
+ * transactions. In this case, the thread freeing the extent the second time
+ * can't mark the extent busy immediately because it is already tracked in a
+ * transaction that may be committing.  When the log commit for the existing
+ * busy extent completes, the busy extent will be removed from the tree. If we
+ * allow the second busy insert to continue using that busy extent structure,
+ * it can be freed before this transaction is safely in the log.  Hence our
+ * only option in this case is to force the log to remove the existing busy
+ * extent from the list before we insert the new one with the current
+ * transaction ID.
+ *
+ * The problem we are trying to avoid in the free-alloc-free in separate
+ * transactions is most easily described with a timeline:
+ *
+ *      Thread 1	Thread 2	Thread 3	xfslogd
+ *	xact alloc
+ *	free X
+ *	mark busy
+ *	commit xact
+ *	free xact
+ *			xact alloc
+ *			alloc X
+ *			busy search
+ *			mark xact sync
+ *			commit xact
+ *			free xact
+ *			force log
+ *			checkpoint starts
+ *			....
+ *					xact alloc
+ *					free X
+ *					mark busy
+ *					finds match
+ *					*** KABOOM! ***
+ *					....
+ *							log IO completes
+ *							unbusy X
+ *			checkpoint completes
+ *
+ * By issuing a log force in thread 3 @ "KABOOM", the thread will block until
+ * the checkpoint completes, and the busy extent it matched will have been
+ * removed from the tree when it is woken. Hence it can then continue safely.
+ *
+ * However, to ensure this matching process is robust, we need to use the
+ * transaction ID for identifying transaction, as delayed logging results in
+ * the busy extent and transaction lifecycles being different. i.e. the busy
+ * extent is active for a lot longer than the transaction.  Hence the
+ * transaction structure can be freed and reallocated, then mark the same
+ * extent busy again in the new transaction. In this case the new transaction
+ * will have a different tid but can have the same address, and hence we need
+ * to check against the tid.
+ *
+ * Future: for delayed logging, we could avoid the log force if the extent was
+ * first freed in the current checkpoint sequence. This, however, requires the
+ * ability to pin the current checkpoint in memory until this transaction
+ * commits to ensure that both the original free and the current one combine
+ * logically into the one checkpoint. If the checkpoint sequences are
+ * different, however, we still need to wait on a log force.
  */
 void
-xfs_alloc_mark_busy(xfs_trans_t *tp,
-		    xfs_agnumber_t agno,
-		    xfs_agblock_t bno,
-		    xfs_extlen_t len)
+xfs_alloc_busy_insert(
+	struct xfs_trans	*tp,
+	xfs_agnumber_t		agno,
+	xfs_agblock_t		bno,
+	xfs_extlen_t		len)
 {
-	xfs_perag_busy_t	*bsy;
+	struct xfs_busy_extent	*new;
+	struct xfs_busy_extent	*busyp;
 	struct xfs_perag	*pag;
-	int			n;
+	struct rb_node		**rbp;
+	struct rb_node		*parent;
+	int			match;
 
-	pag = xfs_perag_get(tp->t_mountp, agno);
+
+	new = kmem_zalloc(sizeof(struct xfs_busy_extent), KM_MAYFAIL);
+	if (!new) {
+		/*
+		 * No Memory!  Since it is now not possible to track the free
+		 * block, make this a synchronous transaction to insure that
+		 * the block is not reused before this transaction commits.
+		 */
+		trace_xfs_alloc_busy(tp, agno, bno, len, 1);
+		xfs_trans_set_sync(tp);
+		return;
+	}
+
+	new->agno = agno;
+	new->bno = bno;
+	new->length = len;
+	new->tid = xfs_log_get_trans_ident(tp);
+
+	INIT_LIST_HEAD(&new->list);
+
+	/* trace before insert to be able to see failed inserts */
+	trace_xfs_alloc_busy(tp, agno, bno, len, 0);
+
+	pag = xfs_perag_get(tp->t_mountp, new->agno);
+restart:
 	spin_lock(&pag->pagb_lock);
+	rbp = &pag->pagb_tree.rb_node;
+	parent = NULL;
+	busyp = NULL;
+	match = 0;
+	while (*rbp && match >= 0) {
+		parent = *rbp;
+		busyp = rb_entry(parent, struct xfs_busy_extent, rb_node);
 
-	/* search pagb_list for an open slot */
-	for (bsy = pag->pagb_list, n = 0;
-	     n < XFS_PAGB_NUM_SLOTS;
-	     bsy++, n++) {
-		if (bsy->busy_tp == NULL) {
+		if (new->bno < busyp->bno) {
+			/* may overlap, but exact start block is lower */
+			rbp = &(*rbp)->rb_left;
+			if (new->bno + new->length > busyp->bno)
+				match = busyp->tid == new->tid ? 1 : -1;
+		} else if (new->bno > busyp->bno) {
+			/* may overlap, but exact start block is higher */
+			rbp = &(*rbp)->rb_right;
+			if (bno < busyp->bno + busyp->length)
+				match = busyp->tid == new->tid ? 1 : -1;
+		} else {
+			match = busyp->tid == new->tid ? 1 : -1;
 			break;
 		}
 	}
-
-	trace_xfs_alloc_busy(tp->t_mountp, agno, bno, len, n);
-
-	if (n < XFS_PAGB_NUM_SLOTS) {
-		bsy = &pag->pagb_list[n];
-		pag->pagb_count++;
-		bsy->busy_start = bno;
-		bsy->busy_length = len;
-		bsy->busy_tp = tp;
-		xfs_trans_add_busy(tp, agno, n);
-	} else {
-		/*
-		 * The busy list is full!  Since it is now not possible to
-		 * track the free block, make this a synchronous transaction
-		 * to insure that the block is not reused before this
-		 * transaction commits.
-		 */
-		xfs_trans_set_sync(tp);
+	if (match < 0) {
+		/* overlap marked busy in different transaction */
+		spin_unlock(&pag->pagb_lock);
+		xfs_log_force(tp->t_mountp, XFS_LOG_SYNC);
+		goto restart;
 	}
+	if (match > 0) {
+		/*
+		 * overlap marked busy in same transaction. Update if exact
+		 * start block match, otherwise combine the busy extents into
+		 * a single range.
+		 */
+		if (busyp->bno == new->bno) {
+			busyp->length = max(busyp->length, new->length);
+			spin_unlock(&pag->pagb_lock);
+			ASSERT(tp->t_flags & XFS_TRANS_SYNC);
+			xfs_perag_put(pag);
+			kmem_free(new);
+			return;
+		}
+		rb_erase(&busyp->rb_node, &pag->pagb_tree);
+		new->length = max(busyp->bno + busyp->length,
+					new->bno + new->length) -
+				min(busyp->bno, new->bno);
+		new->bno = min(busyp->bno, new->bno);
+	} else
+		busyp = NULL;
 
+	rb_link_node(&new->rb_node, parent, rbp);
+	rb_insert_color(&new->rb_node, &pag->pagb_tree);
+
+	list_add(&new->list, &tp->t_busy);
 	spin_unlock(&pag->pagb_lock);
 	xfs_perag_put(pag);
+	kmem_free(busyp);
+}
+
+/*
+ * Search for a busy extent within the range of the extent we are about to
+ * allocate.  You need to be holding the busy extent tree lock when calling
+ * xfs_alloc_busy_search(). This function returns 0 for no overlapping busy
+ * extent, -1 for an overlapping but not exact busy extent, and 1 for an exact
+ * match. This is done so that a non-zero return indicates an overlap that
+ * will require a synchronous transaction, but it can still be
+ * used to distinguish between a partial or exact match.
+ */
+static int
+xfs_alloc_busy_search(
+	struct xfs_mount	*mp,
+	xfs_agnumber_t		agno,
+	xfs_agblock_t		bno,
+	xfs_extlen_t		len)
+{
+	struct xfs_perag	*pag;
+	struct rb_node		*rbp;
+	struct xfs_busy_extent	*busyp;
+	int			match = 0;
+
+	pag = xfs_perag_get(mp, agno);
+	spin_lock(&pag->pagb_lock);
+
+	rbp = pag->pagb_tree.rb_node;
+
+	/* find closest start bno overlap */
+	while (rbp) {
+		busyp = rb_entry(rbp, struct xfs_busy_extent, rb_node);
+		if (bno < busyp->bno) {
+			/* may overlap, but exact start block is lower */
+			if (bno + len > busyp->bno)
+				match = -1;
+			rbp = rbp->rb_left;
+		} else if (bno > busyp->bno) {
+			/* may overlap, but exact start block is higher */
+			if (bno < busyp->bno + busyp->length)
+				match = -1;
+			rbp = rbp->rb_right;
+		} else {
+			/* bno matches busyp, length determines exact match */
+			match = (busyp->length == len) ? 1 : -1;
+			break;
+		}
+	}
+	spin_unlock(&pag->pagb_lock);
+	trace_xfs_alloc_busysearch(mp, agno, bno, len, !!match);
+	xfs_perag_put(pag);
+	return match;
 }
 
 void
-xfs_alloc_clear_busy(xfs_trans_t *tp,
-		     xfs_agnumber_t agno,
-		     int idx)
+xfs_alloc_busy_clear(
+	struct xfs_mount	*mp,
+	struct xfs_busy_extent	*busyp)
 {
 	struct xfs_perag	*pag;
-	xfs_perag_busy_t	*list;
 
-	ASSERT(idx < XFS_PAGB_NUM_SLOTS);
-	pag = xfs_perag_get(tp->t_mountp, agno);
+	trace_xfs_alloc_unbusy(mp, busyp->agno, busyp->bno,
+						busyp->length);
+
+	ASSERT(xfs_alloc_busy_search(mp, busyp->agno, busyp->bno,
+						busyp->length) == 1);
+
+	list_del_init(&busyp->list);
+
+	pag = xfs_perag_get(mp, busyp->agno);
 	spin_lock(&pag->pagb_lock);
-	list = pag->pagb_list;
-
-	trace_xfs_alloc_unbusy(tp->t_mountp, agno, idx, list[idx].busy_tp == tp);
-
-	if (list[idx].busy_tp == tp) {
-		list[idx].busy_tp = NULL;
-		pag->pagb_count--;
-	}
-
+	rb_erase(&busyp->rb_node, &pag->pagb_tree);
 	spin_unlock(&pag->pagb_lock);
 	xfs_perag_put(pag);
-}
-
-
-/*
- * If we find the extent in the busy list, force the log out to get the
- * extent out of the busy list so the caller can use it straight away.
- */
-STATIC void
-xfs_alloc_search_busy(xfs_trans_t *tp,
-		    xfs_agnumber_t agno,
-		    xfs_agblock_t bno,
-		    xfs_extlen_t len)
-{
-	struct xfs_perag	*pag;
-	xfs_perag_busy_t	*bsy;
-	xfs_agblock_t		uend, bend;
-	xfs_lsn_t		lsn = 0;
-	int			cnt;
-
-	pag = xfs_perag_get(tp->t_mountp, agno);
-	spin_lock(&pag->pagb_lock);
-	cnt = pag->pagb_count;
-
-	/*
-	 * search pagb_list for this slot, skipping open slots. We have to
-	 * search the entire array as there may be multiple overlaps and
-	 * we have to get the most recent LSN for the log force to push out
-	 * all the transactions that span the range.
-	 */
-	uend = bno + len - 1;
-	for (cnt = 0; cnt < pag->pagb_count; cnt++) {
-		bsy = &pag->pagb_list[cnt];
-		if (!bsy->busy_tp)
-			continue;
-
-		bend = bsy->busy_start + bsy->busy_length - 1;
-		if (bno > bend || uend < bsy->busy_start)
-			continue;
-
-		/* (start1,length1) within (start2, length2) */
-		if (XFS_LSN_CMP(bsy->busy_tp->t_commit_lsn, lsn) > 0)
-			lsn = bsy->busy_tp->t_commit_lsn;
-	}
-	spin_unlock(&pag->pagb_lock);
-	xfs_perag_put(pag);
-	trace_xfs_alloc_busysearch(tp->t_mountp, agno, bno, len, lsn);
-
-	/*
-	 * If a block was found, force the log through the LSN of the
-	 * transaction that freed the block
-	 */
-	if (lsn)
-		xfs_log_force_lsn(tp->t_mountp, lsn, XFS_LOG_SYNC);
+
+	kmem_free(busyp);
 }
diff --git a/fs/xfs/xfs_alloc.h b/fs/xfs/xfs_alloc.h
index 599bffa3978..6d05199b667 100644
--- a/fs/xfs/xfs_alloc.h
+++ b/fs/xfs/xfs_alloc.h
@@ -22,6 +22,7 @@ struct xfs_buf;
 struct xfs_mount;
 struct xfs_perag;
 struct xfs_trans;
+struct xfs_busy_extent;
 
 /*
  * Freespace allocation types.  Argument to xfs_alloc_[v]extent.
@@ -119,15 +120,13 @@ xfs_alloc_longest_free_extent(struct xfs_mount *mp,
 #ifdef __KERNEL__
 
 void
-xfs_alloc_mark_busy(xfs_trans_t *tp,
+xfs_alloc_busy_insert(xfs_trans_t *tp,
 		xfs_agnumber_t agno,
 		xfs_agblock_t bno,
 		xfs_extlen_t len);
 
 void
-xfs_alloc_clear_busy(xfs_trans_t *tp,
-		xfs_agnumber_t ag,
-		int idx);
+xfs_alloc_busy_clear(struct xfs_mount *mp, struct xfs_busy_extent *busyp);
 
 #endif	/* __KERNEL__ */
 
diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c
index b726e10d2c1..83f49421875 100644
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -134,7 +134,7 @@ xfs_allocbt_free_block(
 	 * disk. If a busy block is allocated, the iclog is pushed up to the
 	 * LSN that freed the block.
 	 */
-	xfs_alloc_mark_busy(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1);
+	xfs_alloc_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1);
 	xfs_trans_agbtree_delta(cur->bc_tp, -1);
 	return 0;
 }
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index be578ecb4af..40d9595a8de 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -44,6 +44,7 @@
 #include "xfs_trans_priv.h"
 #include "xfs_trans_space.h"
 #include "xfs_inode_item.h"
+#include "xfs_trace.h"
 
 kmem_zone_t	*xfs_trans_zone;
 
@@ -243,9 +244,8 @@ _xfs_trans_alloc(
 	tp->t_type = type;
 	tp->t_mountp = mp;
 	tp->t_items_free = XFS_LIC_NUM_SLOTS;
-	tp->t_busy_free = XFS_LBC_NUM_SLOTS;
 	xfs_lic_init(&(tp->t_items));
-	XFS_LBC_INIT(&(tp->t_busy));
+	INIT_LIST_HEAD(&tp->t_busy);
 	return tp;
 }
 
@@ -255,8 +255,13 @@ _xfs_trans_alloc(
  */
 STATIC void
 xfs_trans_free(
-	xfs_trans_t	*tp)
+	struct xfs_trans	*tp)
 {
+	struct xfs_busy_extent	*busyp, *n;
+
+	list_for_each_entry_safe(busyp, n, &tp->t_busy, list)
+		xfs_alloc_busy_clear(tp->t_mountp, busyp);
+
 	atomic_dec(&tp->t_mountp->m_active_trans);
 	xfs_trans_free_dqinfo(tp);
 	kmem_zone_free(xfs_trans_zone, tp);
@@ -285,9 +290,8 @@ xfs_trans_dup(
 	ntp->t_type = tp->t_type;
 	ntp->t_mountp = tp->t_mountp;
 	ntp->t_items_free = XFS_LIC_NUM_SLOTS;
-	ntp->t_busy_free = XFS_LBC_NUM_SLOTS;
 	xfs_lic_init(&(ntp->t_items));
-	XFS_LBC_INIT(&(ntp->t_busy));
+	INIT_LIST_HEAD(&ntp->t_busy);
 
 	ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);
 	ASSERT(tp->t_ticket != NULL);
@@ -423,7 +427,6 @@ undo_blocks:
 	return error;
 }
 
-
 /*
  * Record the indicated change to the given field for application
  * to the file system's superblock when the transaction commits.
@@ -930,26 +933,6 @@ xfs_trans_item_committed(
 	IOP_UNPIN(lip);
 }
 
-/* Clear all the per-AG busy list items listed in this transaction */
-static void
-xfs_trans_clear_busy_extents(
-	struct xfs_trans	*tp)
-{
-	xfs_log_busy_chunk_t	*lbcp;
-	xfs_log_busy_slot_t	*lbsp;
-	int			i;
-
-	for (lbcp = &tp->t_busy; lbcp != NULL; lbcp = lbcp->lbc_next) {
-		i = 0;
-		for (lbsp = lbcp->lbc_busy; i < lbcp->lbc_unused; i++, lbsp++) {
-			if (XFS_LBC_ISFREE(lbcp, i))
-				continue;
-			xfs_alloc_clear_busy(tp, lbsp->lbc_ag, lbsp->lbc_idx);
-		}
-	}
-	xfs_trans_free_busy(tp);
-}
-
 /*
  * This is typically called by the LM when a transaction has been fully
  * committed to disk.  It needs to unpin the items which have
@@ -984,7 +967,6 @@ xfs_trans_committed(
 		kmem_free(licp);
 	}
 
-	xfs_trans_clear_busy_extents(tp);
 	xfs_trans_free(tp);
 }
 
@@ -1013,7 +995,6 @@ xfs_trans_uncommit(
 	xfs_trans_unreserve_and_mod_dquots(tp);
 
 	xfs_trans_free_items(tp, flags);
-	xfs_trans_free_busy(tp);
 	xfs_trans_free(tp);
 }
 
@@ -1075,6 +1056,8 @@ xfs_trans_commit_iclog(
 	*commit_lsn = xfs_log_done(mp, tp->t_ticket, &commit_iclog, log_flags);
 
 	tp->t_commit_lsn = *commit_lsn;
+	trace_xfs_trans_commit_lsn(tp);
+
 	if (nvec > XFS_TRANS_LOGVEC_COUNT)
 		kmem_free(log_vector);
 
@@ -1260,7 +1243,6 @@ out_unreserve:
 	}
 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
 	xfs_trans_free_items(tp, error ? XFS_TRANS_ABORT : 0);
-	xfs_trans_free_busy(tp);
 	xfs_trans_free(tp);
 
 	XFS_STATS_INC(xs_trans_empty);
@@ -1339,7 +1321,6 @@ xfs_trans_cancel(
 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
 
 	xfs_trans_free_items(tp, flags);
-	xfs_trans_free_busy(tp);
 	xfs_trans_free(tp);
 }
 
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index c62beee0921..ff7e9e6eee8 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -813,6 +813,7 @@ struct xfs_log_item_desc;
 struct xfs_mount;
 struct xfs_trans;
 struct xfs_dquot_acct;
+struct xfs_busy_extent;
 
 typedef struct xfs_log_item {
 	struct list_head		li_ail;		/* AIL pointers */
@@ -871,34 +872,6 @@ typedef struct xfs_item_ops {
 #define	XFS_ITEM_LOCKED		2
 #define XFS_ITEM_PUSHBUF	3
 
-/*
- * This structure is used to maintain a list of block ranges that have been
- * freed in the transaction.  The ranges are listed in the perag[] busy list
- * between when they're freed and the transaction is committed to disk.
- */
-
-typedef struct xfs_log_busy_slot {
-	xfs_agnumber_t		lbc_ag;
-	ushort			lbc_idx;	/* index in perag.busy[] */
-} xfs_log_busy_slot_t;
-
-#define XFS_LBC_NUM_SLOTS	31
-typedef struct xfs_log_busy_chunk {
-	struct xfs_log_busy_chunk	*lbc_next;
-	uint				lbc_free;	/* free slots bitmask */
-	ushort				lbc_unused;	/* first unused */
-	xfs_log_busy_slot_t		lbc_busy[XFS_LBC_NUM_SLOTS];
-} xfs_log_busy_chunk_t;
-
-#define	XFS_LBC_MAX_SLOT	(XFS_LBC_NUM_SLOTS - 1)
-#define	XFS_LBC_FREEMASK	((1U << XFS_LBC_NUM_SLOTS) - 1)
-
-#define	XFS_LBC_INIT(cp)	((cp)->lbc_free = XFS_LBC_FREEMASK)
-#define	XFS_LBC_CLAIM(cp, slot)	((cp)->lbc_free &= ~(1 << (slot)))
-#define	XFS_LBC_SLOT(cp, slot)	(&((cp)->lbc_busy[(slot)]))
-#define	XFS_LBC_VACANCY(cp)	(((cp)->lbc_free) & XFS_LBC_FREEMASK)
-#define	XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot)))
-
 /*
  * This is the type of function which can be given to xfs_trans_callback()
  * to be called upon the transaction's commit to disk.
@@ -950,8 +923,7 @@ typedef struct xfs_trans {
 	unsigned int		t_items_free;	/* log item descs free */
 	xfs_log_item_chunk_t	t_items;	/* first log item desc chunk */
 	xfs_trans_header_t	t_header;	/* header for in-log trans */
-	unsigned int		t_busy_free;	/* busy descs free */
-	xfs_log_busy_chunk_t	t_busy;		/* busy/async free blocks */
+	struct list_head	t_busy;		/* list of busy extents */
 	unsigned long		t_pflags;	/* saved process flags state */
 } xfs_trans_t;
 
@@ -1025,9 +997,6 @@ int		_xfs_trans_commit(xfs_trans_t *,
 void		xfs_trans_cancel(xfs_trans_t *, int);
 int		xfs_trans_ail_init(struct xfs_mount *);
 void		xfs_trans_ail_destroy(struct xfs_mount *);
-xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp,
-					xfs_agnumber_t ag,
-					xfs_extlen_t idx);
 
 extern kmem_zone_t	*xfs_trans_zone;
 
diff --git a/fs/xfs/xfs_trans_item.c b/fs/xfs/xfs_trans_item.c
index eb3fc57f9ee..2937a1e5331 100644
--- a/fs/xfs/xfs_trans_item.c
+++ b/fs/xfs/xfs_trans_item.c
@@ -438,112 +438,3 @@ xfs_trans_unlock_chunk(
 
 	return freed;
 }
-
-
-/*
- * This is called to add the given busy item to the transaction's
- * list of busy items.  It must find a free busy item descriptor
- * or allocate a new one and add the item to that descriptor.
- * The function returns a pointer to busy descriptor used to point
- * to the new busy entry.  The log busy entry will now point to its new
- * descriptor with its ???? field.
- */
-xfs_log_busy_slot_t *
-xfs_trans_add_busy(xfs_trans_t *tp, xfs_agnumber_t ag, xfs_extlen_t idx)
-{
-	xfs_log_busy_chunk_t	*lbcp;
-	xfs_log_busy_slot_t	*lbsp;
-	int			i=0;
-
-	/*
-	 * If there are no free descriptors, allocate a new chunk
-	 * of them and put it at the front of the chunk list.
-	 */
-	if (tp->t_busy_free == 0) {
-		lbcp = (xfs_log_busy_chunk_t*)
-		       kmem_alloc(sizeof(xfs_log_busy_chunk_t), KM_SLEEP);
-		ASSERT(lbcp != NULL);
-		/*
-		 * Initialize the chunk, and then
-		 * claim the first slot in the newly allocated chunk.
-		 */
-		XFS_LBC_INIT(lbcp);
-		XFS_LBC_CLAIM(lbcp, 0);
-		lbcp->lbc_unused = 1;
-		lbsp = XFS_LBC_SLOT(lbcp, 0);
-
-		/*
-		 * Link in the new chunk and update the free count.
-		 */
-		lbcp->lbc_next = tp->t_busy.lbc_next;
-		tp->t_busy.lbc_next = lbcp;
-		tp->t_busy_free = XFS_LIC_NUM_SLOTS - 1;
-
-		/*
-		 * Initialize the descriptor and the generic portion
-		 * of the log item.
-		 *
-		 * Point the new slot at this item and return it.
-		 * Also point the log item at its currently active
-		 * descriptor and set the item's mount pointer.
-		 */
-		lbsp->lbc_ag = ag;
-		lbsp->lbc_idx = idx;
-		return lbsp;
-	}
-
-	/*
-	 * Find the free descriptor. It is somewhere in the chunklist
-	 * of descriptors.
-	 */
-	lbcp = &tp->t_busy;
-	while (lbcp != NULL) {
-		if (XFS_LBC_VACANCY(lbcp)) {
-			if (lbcp->lbc_unused <= XFS_LBC_MAX_SLOT) {
-				i = lbcp->lbc_unused;
-				break;
-			} else {
-				/* out-of-order vacancy */
-				cmn_err(CE_DEBUG, "OOO vacancy lbcp 0x%p\n", lbcp);
-				ASSERT(0);
-			}
-		}
-		lbcp = lbcp->lbc_next;
-	}
-	ASSERT(lbcp != NULL);
-	/*
-	 * If we find a free descriptor, claim it,
-	 * initialize it, and return it.
-	 */
-	XFS_LBC_CLAIM(lbcp, i);
-	if (lbcp->lbc_unused <= i) {
-		lbcp->lbc_unused = i + 1;
-	}
-	lbsp = XFS_LBC_SLOT(lbcp, i);
-	tp->t_busy_free--;
-	lbsp->lbc_ag = ag;
-	lbsp->lbc_idx = idx;
-	return lbsp;
-}
-
-
-/*
- * xfs_trans_free_busy
- * Free all of the busy lists from a transaction
- */
-void
-xfs_trans_free_busy(xfs_trans_t *tp)
-{
-	xfs_log_busy_chunk_t	*lbcp;
-	xfs_log_busy_chunk_t	*lbcq;
-
-	lbcp = tp->t_busy.lbc_next;
-	while (lbcp != NULL) {
-		lbcq = lbcp->lbc_next;
-		kmem_free(lbcp);
-		lbcp = lbcq;
-	}
-
-	XFS_LBC_INIT(&tp->t_busy);
-	tp->t_busy.lbc_unused = 0;
-}
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index 73e2ad39743..901dc0f032d 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -38,10 +38,6 @@ struct xfs_log_item_desc	*xfs_trans_next_item(struct xfs_trans *,
 void				xfs_trans_free_items(struct xfs_trans *, int);
 void				xfs_trans_unlock_items(struct xfs_trans *,
 							xfs_lsn_t);
-void				xfs_trans_free_busy(xfs_trans_t *tp);
-xfs_log_busy_slot_t		*xfs_trans_add_busy(xfs_trans_t *tp,
-						    xfs_agnumber_t ag,
-						    xfs_extlen_t idx);
 
 /*
  * AIL traversal cursor.

From a9a745daadab26f13884ff26a50fa38247c11ce9 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 14 May 2010 21:43:11 +1000
Subject: [PATCH 2861/3638] xfs: Delayed logging design documentation

Document the design of the delayed logging implementation. This
includes assumptions made, dead ends followed, the reasoning behind
the structuring of the code, the layout of various structures, how
things fit together, traps and pit-falls avoided, etc. This is all
too much to document in the code itself, so do it in a separate
file.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 .../xfs-delayed-logging-design.txt            | 816 ++++++++++++++++++
 1 file changed, 816 insertions(+)
 create mode 100644 Documentation/filesystems/xfs-delayed-logging-design.txt

diff --git a/Documentation/filesystems/xfs-delayed-logging-design.txt b/Documentation/filesystems/xfs-delayed-logging-design.txt
new file mode 100644
index 00000000000..d8119e9d2d6
--- /dev/null
+++ b/Documentation/filesystems/xfs-delayed-logging-design.txt
@@ -0,0 +1,816 @@
+XFS Delayed Logging Design
+--------------------------
+
+Introduction to Re-logging in XFS
+---------------------------------
+
+XFS logging is a combination of logical and physical logging. Some objects,
+such as inodes and dquots, are logged in logical format where the details
+logged are made up of the changes to in-core structures rather than on-disk
+structures. Other objects - typically buffers - have their physical changes
+logged. The reason for these differences is to reduce the amount of log space
+required for objects that are frequently logged. Some parts of inodes are more
+frequently logged than others, and inodes are typically more frequently logged
+than any other object (except maybe the superblock buffer) so keeping the
+amount of metadata logged low is of prime importance.
+
+The reason that this is such a concern is that XFS allows multiple separate
+modifications to a single object to be carried in the log at any given time.
+This allows the log to avoid needing to flush each change to disk before
+recording a new change to the object. XFS does this via a method called
+"re-logging". Conceptually, this is quite simple - all it requires is that any
+new change to the object is recorded with a *new copy* of all the existing
+changes in the new transaction that is written to the log.
+
+That is, if we have a sequence of changes A through to F, and the object was
+written to disk after change D, we would see in the log the following series
+of transactions, their contents and the log sequence number (LSN) of the
+transaction:
+
+	Transaction		Contents	LSN
+	   A			   A		   X
+	   B			  A+B		  X+n
+	   C			 A+B+C		 X+n+m
+	   D			A+B+C+D		X+n+m+o
+	    <object written to disk>
+	   E			   E		   Y (> X+n+m+o)
+	   F			  E+F		  Yٍ+p
+
+In other words, each time an object is relogged, the new transaction contains
+the aggregation of all the previous changes currently held only in the log.
+
+This relogging technique also allows objects to be moved forward in the log so
+that an object being relogged does not prevent the tail of the log from ever
+moving forward.  This can be seen in the table above by the changing
+(increasing) LSN of each subsquent transaction - the LSN is effectively a
+direct encoding of the location in the log of the transaction.
+
+This relogging is also used to implement long-running, multiple-commit
+transactions.  These transaction are known as rolling transactions, and require
+a special log reservation known as a permanent transaction reservation. A
+typical example of a rolling transaction is the removal of extents from an
+inode which can only be done at a rate of two extents per transaction because
+of reservation size limitations. Hence a rolling extent removal transaction
+keeps relogging the inode and btree buffers as they get modified in each
+removal operation. This keeps them moving forward in the log as the operation
+progresses, ensuring that current operation never gets blocked by itself if the
+log wraps around.
+
+Hence it can be seen that the relogging operation is fundamental to the correct
+working of the XFS journalling subsystem. From the above description, most
+people should be able to see why the XFS metadata operations writes so much to
+the log - repeated operations to the same objects write the same changes to
+the log over and over again. Worse is the fact that objects tend to get
+dirtier as they get relogged, so each subsequent transaction is writing more
+metadata into the log.
+
+Another feature of the XFS transaction subsystem is that most transactions are
+asynchronous. That is, they don't commit to disk until either a log buffer is
+filled (a log buffer can hold multiple transactions) or a synchronous operation
+forces the log buffers holding the transactions to disk. This means that XFS is
+doing aggregation of transactions in memory - batching them, if you like - to
+minimise the impact of the log IO on transaction throughput.
+
+The limitation on asynchronous transaction throughput is the number and size of
+log buffers made available by the log manager. By default there are 8 log
+buffers available and the size of each is 32kB - the size can be increased up
+to 256kB by use of a mount option.
+
+Effectively, this gives us the maximum bound of outstanding metadata changes
+that can be made to the filesystem at any point in time - if all the log
+buffers are full and under IO, then no more transactions can be committed until
+the current batch completes. It is now common for a single current CPU core to
+be to able to issue enough transactions to keep the log buffers full and under
+IO permanently. Hence the XFS journalling subsystem can be considered to be IO
+bound.
+
+Delayed Logging: Concepts
+-------------------------
+
+The key thing to note about the asynchronous logging combined with the
+relogging technique XFS uses is that we can be relogging changed objects
+multiple times before they are committed to disk in the log buffers. If we
+return to the previous relogging example, it is entirely possible that
+transactions A through D are committed to disk in the same log buffer.
+
+That is, a single log buffer may contain multiple copies of the same object,
+but only one of those copies needs to be there - the last one "D", as it
+contains all the changes from the previous changes. In other words, we have one
+necessary copy in the log buffer, and three stale copies that are simply
+wasting space. When we are doing repeated operations on the same set of
+objects, these "stale objects" can be over 90% of the space used in the log
+buffers. It is clear that reducing the number of stale objects written to the
+log would greatly reduce the amount of metadata we write to the log, and this
+is the fundamental goal of delayed logging.
+
+From a conceptual point of view, XFS is already doing relogging in memory (where
+memory == log buffer), only it is doing it extremely inefficiently. It is using
+logical to physical formatting to do the relogging because there is no
+infrastructure to keep track of logical changes in memory prior to physically
+formatting the changes in a transaction to the log buffer. Hence we cannot avoid
+accumulating stale objects in the log buffers.
+
+Delayed logging is the name we've given to keeping and tracking transactional
+changes to objects in memory outside the log buffer infrastructure. Because of
+the relogging concept fundamental to the XFS journalling subsystem, this is
+actually relatively easy to do - all the changes to logged items are already
+tracked in the current infrastructure. The big problem is how to accumulate
+them and get them to the log in a consistent, recoverable manner.
+Describing the problems and how they have been solved is the focus of this
+document.
+
+One of the key changes that delayed logging makes to the operation of the
+journalling subsystem is that it disassociates the amount of outstanding
+metadata changes from the size and number of log buffers available. In other
+words, instead of there only being a maximum of 2MB of transaction changes not
+written to the log at any point in time, there may be a much greater amount
+being accumulated in memory. Hence the potential for loss of metadata on a
+crash is much greater than for the existing logging mechanism.
+
+It should be noted that this does not change the guarantee that log recovery
+will result in a consistent filesystem. What it does mean is that as far as the
+recovered filesystem is concerned, there may be many thousands of transactions
+that simply did not occur as a result of the crash. This makes it even more
+important that applications that care about their data use fsync() where they
+need to ensure application level data integrity is maintained.
+
+It should be noted that delayed logging is not an innovative new concept that
+warrants rigorous proofs to determine whether it is correct or not. The method
+of accumulating changes in memory for some period before writing them to the
+log is used effectively in many filesystems including ext3 and ext4. Hence
+no time is spent in this document trying to convince the reader that the
+concept is sound. Instead it is simply considered a "solved problem" and as
+such implementing it in XFS is purely an exercise in software engineering.
+
+The fundamental requirements for delayed logging in XFS are simple:
+
+	1. Reduce the amount of metadata written to the log by at least
+	   an order of magnitude.
+	2. Supply sufficient statistics to validate Requirement #1.
+	3. Supply sufficient new tracing infrastructure to be able to debug
+	   problems with the new code.
+	4. No on-disk format change (metadata or log format).
+	5. Enable and disable with a mount option.
+	6. No performance regressions for synchronous transaction workloads.
+
+Delayed Logging: Design
+-----------------------
+
+Storing Changes
+
+The problem with accumulating changes at a logical level (i.e. just using the
+existing log item dirty region tracking) is that when it comes to writing the
+changes to the log buffers, we need to ensure that the object we are formatting
+is not changing while we do this. This requires locking the object to prevent
+concurrent modification. Hence flushing the logical changes to the log would
+require us to lock every object, format them, and then unlock them again.
+
+This introduces lots of scope for deadlocks with transactions that are already
+running. For example, a transaction has object A locked and modified, but needs
+the delayed logging tracking lock to commit the transaction. However, the
+flushing thread has the delayed logging tracking lock already held, and is
+trying to get the lock on object A to flush it to the log buffer. This appears
+to be an unsolvable deadlock condition, and it was solving this problem that
+was the barrier to implementing delayed logging for so long.
+
+The solution is relatively simple - it just took a long time to recognise it.
+Put simply, the current logging code formats the changes to each item into an
+vector array that points to the changed regions in the item. The log write code
+simply copies the memory these vectors point to into the log buffer during
+transaction commit while the item is locked in the transaction. Instead of
+using the log buffer as the destination of the formatting code, we can use an
+allocated memory buffer big enough to fit the formatted vector.
+
+If we then copy the vector into the memory buffer and rewrite the vector to
+point to the memory buffer rather than the object itself, we now have a copy of
+the changes in a format that is compatible with the log buffer writing code.
+that does not require us to lock the item to access. This formatting and
+rewriting can all be done while the object is locked during transaction commit,
+resulting in a vector that is transactionally consistent and can be accessed
+without needing to lock the owning item.
+
+Hence we avoid the need to lock items when we need to flush outstanding
+asynchronous transactions to the log. The differences between the existing
+formatting method and the delayed logging formatting can be seen in the
+diagram below.
+
+Current format log vector:
+
+Object    +---------------------------------------------+
+Vector 1      +----+
+Vector 2                    +----+
+Vector 3                                   +----------+
+
+After formatting:
+
+Log Buffer    +-V1-+-V2-+----V3----+
+
+Delayed logging vector:
+
+Object    +---------------------------------------------+
+Vector 1      +----+
+Vector 2                    +----+
+Vector 3                                   +----------+
+
+After formatting:
+
+Memory Buffer +-V1-+-V2-+----V3----+
+Vector 1      +----+
+Vector 2           +----+
+Vector 3                +----------+
+
+The memory buffer and associated vector need to be passed as a single object,
+but still need to be associated with the parent object so if the object is
+relogged we can replace the current memory buffer with a new memory buffer that
+contains the latest changes.
+
+The reason for keeping the vector around after we've formatted the memory
+buffer is to support splitting vectors across log buffer boundaries correctly.
+If we don't keep the vector around, we do not know where the region boundaries
+are in the item, so we'd need a new encapsulation method for regions in the log
+buffer writing (i.e. double encapsulation). This would be an on-disk format
+change and as such is not desirable.  It also means we'd have to write the log
+region headers in the formatting stage, which is problematic as there is per
+region state that needs to be placed into the headers during the log write.
+
+Hence we need to keep the vector, but by attaching the memory buffer to it and
+rewriting the vector addresses to point at the memory buffer we end up with a
+self-describing object that can be passed to the log buffer write code to be
+handled in exactly the same manner as the existing log vectors are handled.
+Hence we avoid needing a new on-disk format to handle items that have been
+relogged in memory.
+
+
+Tracking Changes
+
+Now that we can record transactional changes in memory in a form that allows
+them to be used without limitations, we need to be able to track and accumulate
+them so that they can be written to the log at some later point in time.  The
+log item is the natural place to store this vector and buffer, and also makes sense
+to be the object that is used to track committed objects as it will always
+exist once the object has been included in a transaction.
+
+The log item is already used to track the log items that have been written to
+the log but not yet written to disk. Such log items are considered "active"
+and as such are stored in the Active Item List (AIL) which is a LSN-ordered
+double linked list. Items are inserted into this list during log buffer IO
+completion, after which they are unpinned and can be written to disk. An object
+that is in the AIL can be relogged, which causes the object to be pinned again
+and then moved forward in the AIL when the log buffer IO completes for that
+transaction.
+
+Essentially, this shows that an item that is in the AIL can still be modified
+and relogged, so any tracking must be separate to the AIL infrastructure. As
+such, we cannot reuse the AIL list pointers for tracking committed items, nor
+can we store state in any field that is protected by the AIL lock. Hence the
+committed item tracking needs it's own locks, lists and state fields in the log
+item.
+
+Similar to the AIL, tracking of committed items is done through a new list
+called the Committed Item List (CIL).  The list tracks log items that have been
+committed and have formatted memory buffers attached to them. It tracks objects
+in transaction commit order, so when an object is relogged it is removed from
+it's place in the list and re-inserted at the tail. This is entirely arbitrary
+and done to make it easy for debugging - the last items in the list are the
+ones that are most recently modified. Ordering of the CIL is not necessary for
+transactional integrity (as discussed in the next section) so the ordering is
+done for convenience/sanity of the developers.
+
+
+Delayed Logging: Checkpoints
+
+When we have a log synchronisation event, commonly known as a "log force",
+all the items in the CIL must be written into the log via the log buffers.
+We need to write these items in the order that they exist in the CIL, and they
+need to be written as an atomic transaction. The need for all the objects to be
+written as an atomic transaction comes from the requirements of relogging and
+log replay - all the changes in all the objects in a given transaction must
+either be completely replayed during log recovery, or not replayed at all. If
+a transaction is not replayed because it is not complete in the log, then
+no later transactions should be replayed, either.
+
+To fulfill this requirement, we need to write the entire CIL in a single log
+transaction. Fortunately, the XFS log code has no fixed limit on the size of a
+transaction, nor does the log replay code. The only fundamental limit is that
+the transaction cannot be larger than just under half the size of the log.  The
+reason for this limit is that to find the head and tail of the log, there must
+be at least one complete transaction in the log at any given time. If a
+transaction is larger than half the log, then there is the possibility that a
+crash during the write of a such a transaction could partially overwrite the
+only complete previous transaction in the log. This will result in a recovery
+failure and an inconsistent filesystem and hence we must enforce the maximum
+size of a checkpoint to be slightly less than a half the log.
+
+Apart from this size requirement, a checkpoint transaction looks no different
+to any other transaction - it contains a transaction header, a series of
+formatted log items and a commit record at the tail. From a recovery
+perspective, the checkpoint transaction is also no different - just a lot
+bigger with a lot more items in it. The worst case effect of this is that we
+might need to tune the recovery transaction object hash size.
+
+Because the checkpoint is just another transaction and all the changes to log
+items are stored as log vectors, we can use the existing log buffer writing
+code to write the changes into the log. To do this efficiently, we need to
+minimise the time we hold the CIL locked while writing the checkpoint
+transaction. The current log write code enables us to do this easily with the
+way it separates the writing of the transaction contents (the log vectors) from
+the transaction commit record, but tracking this requires us to have a
+per-checkpoint context that travels through the log write process through to
+checkpoint completion.
+
+Hence a checkpoint has a context that tracks the state of the current
+checkpoint from initiation to checkpoint completion. A new context is initiated
+at the same time a checkpoint transaction is started. That is, when we remove
+all the current items from the CIL during a checkpoint operation, we move all
+those changes into the current checkpoint context. We then initialise a new
+context and attach that to the CIL for aggregation of new transactions.
+
+This allows us to unlock the CIL immediately after transfer of all the
+committed items and effectively allow new transactions to be issued while we
+are formatting the checkpoint into the log. It also allows concurrent
+checkpoints to be written into the log buffers in the case of log force heavy
+workloads, just like the existing transaction commit code does. This, however,
+requires that we strictly order the commit records in the log so that
+checkpoint sequence order is maintained during log replay.
+
+To ensure that we can be writing an item into a checkpoint transaction at
+the same time another transaction modifies the item and inserts the log item
+into the new CIL, then checkpoint transaction commit code cannot use log items
+to store the list of log vectors that need to be written into the transaction.
+Hence log vectors need to be able to be chained together to allow them to be
+detatched from the log items. That is, when the CIL is flushed the memory
+buffer and log vector attached to each log item needs to be attached to the
+checkpoint context so that the log item can be released. In diagrammatic form,
+the CIL would look like this before the flush:
+
+	CIL Head
+	   |
+	   V
+	Log Item <-> log vector 1	-> memory buffer
+	   |				-> vector array
+	   V
+	Log Item <-> log vector 2	-> memory buffer
+	   |				-> vector array
+	   V
+	......
+	   |
+	   V
+	Log Item <-> log vector N-1	-> memory buffer
+	   |				-> vector array
+	   V
+	Log Item <-> log vector N	-> memory buffer
+					-> vector array
+
+And after the flush the CIL head is empty, and the checkpoint context log
+vector list would look like:
+
+	Checkpoint Context
+	   |
+	   V
+	log vector 1	-> memory buffer
+	   |		-> vector array
+	   |		-> Log Item
+	   V
+	log vector 2	-> memory buffer
+	   |		-> vector array
+	   |		-> Log Item
+	   V
+	......
+	   |
+	   V
+	log vector N-1	-> memory buffer
+	   |		-> vector array
+	   |		-> Log Item
+	   V
+	log vector N	-> memory buffer
+			-> vector array
+			-> Log Item
+
+Once this transfer is done, the CIL can be unlocked and new transactions can
+start, while the checkpoint flush code works over the log vector chain to
+commit the checkpoint.
+
+Once the checkpoint is written into the log buffers, the checkpoint context is
+attached to the log buffer that the commit record was written to along with a
+completion callback. Log IO completion will call that callback, which can then
+run transaction committed processing for the log items (i.e. insert into AIL
+and unpin) in the log vector chain and then free the log vector chain and
+checkpoint context.
+
+Discussion Point: I am uncertain as to whether the log item is the most
+efficient way to track vectors, even though it seems like the natural way to do
+it. The fact that we walk the log items (in the CIL) just to chain the log
+vectors and break the link between the log item and the log vector means that
+we take a cache line hit for the log item list modification, then another for
+the log vector chaining. If we track by the log vectors, then we only need to
+break the link between the log item and the log vector, which means we should
+dirty only the log item cachelines. Normally I wouldn't be concerned about one
+vs two dirty cachelines except for the fact I've seen upwards of 80,000 log
+vectors in one checkpoint transaction. I'd guess this is a "measure and
+compare" situation that can be done after a working and reviewed implementation
+is in the dev tree....
+
+Delayed Logging: Checkpoint Sequencing
+
+One of the key aspects of the XFS transaction subsystem is that it tags
+committed transactions with the log sequence number of the transaction commit.
+This allows transactions to be issued asynchronously even though there may be
+future operations that cannot be completed until that transaction is fully
+committed to the log. In the rare case that a dependent operation occurs (e.g.
+re-using a freed metadata extent for a data extent), a special, optimised log
+force can be issued to force the dependent transaction to disk immediately.
+
+To do this, transactions need to record the LSN of the commit record of the
+transaction. This LSN comes directly from the log buffer the transaction is
+written into. While this works just fine for the existing transaction
+mechanism, it does not work for delayed logging because transactions are not
+written directly into the log buffers. Hence some other method of sequencing
+transactions is required.
+
+As discussed in the checkpoint section, delayed logging uses per-checkpoint
+contexts, and as such it is simple to assign a sequence number to each
+checkpoint. Because the switching of checkpoint contexts must be done
+atomically, it is simple to ensure that each new context has a monotonically
+increasing sequence number assigned to it without the need for an external
+atomic counter - we can just take the current context sequence number and add
+one to it for the new context.
+
+Then, instead of assigning a log buffer LSN to the transaction commit LSN
+during the commit, we can assign the current checkpoint sequence. This allows
+operations that track transactions that have not yet completed know what
+checkpoint sequence needs to be committed before they can continue. As a
+result, the code that forces the log to a specific LSN now needs to ensure that
+the log forces to a specific checkpoint.
+
+To ensure that we can do this, we need to track all the checkpoint contexts
+that are currently committing to the log. When we flush a checkpoint, the
+context gets added to a "committing" list which can be searched. When a
+checkpoint commit completes, it is removed from the committing list. Because
+the checkpoint context records the LSN of the commit record for the checkpoint,
+we can also wait on the log buffer that contains the commit record, thereby
+using the existing log force mechanisms to execute synchronous forces.
+
+It should be noted that the synchronous forces may need to be extended with
+mitigation algorithms similar to the current log buffer code to allow
+aggregation of multiple synchronous transactions if there are already
+synchronous transactions being flushed. Investigation of the performance of the
+current design is needed before making any decisions here.
+
+The main concern with log forces is to ensure that all the previous checkpoints
+are also committed to disk before the one we need to wait for. Therefore we
+need to check that all the prior contexts in the committing list are also
+complete before waiting on the one we need to complete. We do this
+synchronisation in the log force code so that we don't need to wait anywhere
+else for such serialisation - it only matters when we do a log force.
+
+The only remaining complexity is that a log force now also has to handle the
+case where the forcing sequence number is the same as the current context. That
+is, we need to flush the CIL and potentially wait for it to complete. This is a
+simple addition to the existing log forcing code to check the sequence numbers
+and push if required. Indeed, placing the current sequence checkpoint flush in
+the log force code enables the current mechanism for issuing synchronous
+transactions to remain untouched (i.e. commit an asynchronous transaction, then
+force the log at the LSN of that transaction) and so the higher level code
+behaves the same regardless of whether delayed logging is being used or not.
+
+Delayed Logging: Checkpoint Log Space Accounting
+
+The big issue for a checkpoint transaction is the log space reservation for the
+transaction. We don't know how big a checkpoint transaction is going to be
+ahead of time, nor how many log buffers it will take to write out, nor the
+number of split log vector regions are going to be used. We can track the
+amount of log space required as we add items to the commit item list, but we
+still need to reserve the space in the log for the checkpoint.
+
+A typical transaction reserves enough space in the log for the worst case space
+usage of the transaction. The reservation accounts for log record headers,
+transaction and region headers, headers for split regions, buffer tail padding,
+etc. as well as the actual space for all the changed metadata in the
+transaction. While some of this is fixed overhead, much of it is dependent on
+the size of the transaction and the number of regions being logged (the number
+of log vectors in the transaction).
+
+An example of the differences would be logging directory changes versus logging
+inode changes. If you modify lots of inode cores (e.g. chmod -R g+w *), then
+there are lots of transactions that only contain an inode core and an inode log
+format structure. That is, two vectors totaling roughly 150 bytes. If we modify
+10,000 inodes, we have about 1.5MB of metadata to write in 20,000 vectors. Each
+vector is 12 bytes, so the total to be logged is approximately 1.75MB. In
+comparison, if we are logging full directory buffers, they are typically 4KB
+each, so we in 1.5MB of directory buffers we'd have roughly 400 buffers and a
+buffer format structure for each buffer - roughly 800 vectors or 1.51MB total
+space.  From this, it should be obvious that a static log space reservation is
+not particularly flexible and is difficult to select the "optimal value" for
+all workloads.
+
+Further, if we are going to use a static reservation, which bit of the entire
+reservation does it cover? We account for space used by the transaction
+reservation by tracking the space currently used by the object in the CIL and
+then calculating the increase or decrease in space used as the object is
+relogged. This allows for a checkpoint reservation to only have to account for
+log buffer metadata used such as log header records.
+
+However, even using a static reservation for just the log metadata is
+problematic. Typically log record headers use at least 16KB of log space per
+1MB of log space consumed (512 bytes per 32k) and the reservation needs to be
+large enough to handle arbitrary sized checkpoint transactions. This
+reservation needs to be made before the checkpoint is started, and we need to
+be able to reserve the space without sleeping.  For a 8MB checkpoint, we need a
+reservation of around 150KB, which is a non-trivial amount of space.
+
+A static reservation needs to manipulate the log grant counters - we can take a
+permanent reservation on the space, but we still need to make sure we refresh
+the write reservation (the actual space available to the transaction) after
+every checkpoint transaction completion. Unfortunately, if this space is not
+available when required, then the regrant code will sleep waiting for it.
+
+The problem with this is that it can lead to deadlocks as we may need to commit
+checkpoints to be able to free up log space (refer back to the description of
+rolling transactions for an example of this).  Hence we *must* always have
+space available in the log if we are to use static reservations, and that is
+very difficult and complex to arrange. It is possible to do, but there is a
+simpler way.
+
+The simpler way of doing this is tracking the entire log space used by the
+items in the CIL and using this to dynamically calculate the amount of log
+space required by the log metadata. If this log metadata space changes as a
+result of a transaction commit inserting a new memory buffer into the CIL, then
+the difference in space required is removed from the transaction that causes
+the change. Transactions at this level will *always* have enough space
+available in their reservation for this as they have already reserved the
+maximal amount of log metadata space they require, and such a delta reservation
+will always be less than or equal to the maximal amount in the reservation.
+
+Hence we can grow the checkpoint transaction reservation dynamically as items
+are added to the CIL and avoid the need for reserving and regranting log space
+up front. This avoids deadlocks and removes a blocking point from the
+checkpoint flush code.
+
+As mentioned early, transactions can't grow to more than half the size of the
+log. Hence as part of the reservation growing, we need to also check the size
+of the reservation against the maximum allowed transaction size. If we reach
+the maximum threshold, we need to push the CIL to the log. This is effectively
+a "background flush" and is done on demand. This is identical to
+a CIL push triggered by a log force, only that there is no waiting for the
+checkpoint commit to complete. This background push is checked and executed by
+transaction commit code.
+
+If the transaction subsystem goes idle while we still have items in the CIL,
+they will be flushed by the periodic log force issued by the xfssyncd. This log
+force will push the CIL to disk, and if the transaction subsystem stays idle,
+allow the idle log to be covered (effectively marked clean) in exactly the same
+manner that is done for the existing logging method. A discussion point is
+whether this log force needs to be done more frequently than the current rate
+which is once every 30s.
+
+
+Delayed Logging: Log Item Pinning
+
+Currently log items are pinned during transaction commit while the items are
+still locked. This happens just after the items are formatted, though it could
+be done any time before the items are unlocked. The result of this mechanism is
+that items get pinned once for every transaction that is committed to the log
+buffers. Hence items that are relogged in the log buffers will have a pin count
+for every outstanding transaction they were dirtied in. When each of these
+transactions is completed, they will unpin the item once. As a result, the item
+only becomes unpinned when all the transactions complete and there are no
+pending transactions. Thus the pinning and unpinning of a log item is symmetric
+as there is a 1:1 relationship with transaction commit and log item completion.
+
+For delayed logging, however, we have an assymetric transaction commit to
+completion relationship. Every time an object is relogged in the CIL it goes
+through the commit process without a corresponding completion being registered.
+That is, we now have a many-to-one relationship between transaction commit and
+log item completion. The result of this is that pinning and unpinning of the
+log items becomes unbalanced if we retain the "pin on transaction commit, unpin
+on transaction completion" model.
+
+To keep pin/unpin symmetry, the algorithm needs to change to a "pin on
+insertion into the CIL, unpin on checkpoint completion". In other words, the
+pinning and unpinning becomes symmetric around a checkpoint context. We have to
+pin the object the first time it is inserted into the CIL - if it is already in
+the CIL during a transaction commit, then we do not pin it again. Because there
+can be multiple outstanding checkpoint contexts, we can still see elevated pin
+counts, but as each checkpoint completes the pin count will retain the correct
+value according to it's context.
+
+Just to make matters more slightly more complex, this checkpoint level context
+for the pin count means that the pinning of an item must take place under the
+CIL commit/flush lock. If we pin the object outside this lock, we cannot
+guarantee which context the pin count is associated with. This is because of
+the fact pinning the item is dependent on whether the item is present in the
+current CIL or not. If we don't pin the CIL first before we check and pin the
+object, we have a race with CIL being flushed between the check and the pin
+(or not pinning, as the case may be). Hence we must hold the CIL flush/commit
+lock to guarantee that we pin the items correctly.
+
+Delayed Logging: Concurrent Scalability
+
+A fundamental requirement for the CIL is that accesses through transaction
+commits must scale to many concurrent commits. The current transaction commit
+code does not break down even when there are transactions coming from 2048
+processors at once. The current transaction code does not go any faster than if
+there was only one CPU using it, but it does not slow down either.
+
+As a result, the delayed logging transaction commit code needs to be designed
+for concurrency from the ground up. It is obvious that there are serialisation
+points in the design - the three important ones are:
+
+	1. Locking out new transaction commits while flushing the CIL
+	2. Adding items to the CIL and updating item space accounting
+	3. Checkpoint commit ordering
+
+Looking at the transaction commit and CIL flushing interactions, it is clear
+that we have a many-to-one interaction here. That is, the only restriction on
+the number of concurrent transactions that can be trying to commit at once is
+the amount of space available in the log for their reservations. The practical
+limit here is in the order of several hundred concurrent transactions for a
+128MB log, which means that it is generally one per CPU in a machine.
+
+The amount of time a transaction commit needs to hold out a flush is a
+relatively long period of time - the pinning of log items needs to be done
+while we are holding out a CIL flush, so at the moment that means it is held
+across the formatting of the objects into memory buffers (i.e. while memcpy()s
+are in progress). Ultimately a two pass algorithm where the formatting is done
+separately to the pinning of objects could be used to reduce the hold time of
+the transaction commit side.
+
+Because of the number of potential transaction commit side holders, the lock
+really needs to be a sleeping lock - if the CIL flush takes the lock, we do not
+want every other CPU in the machine spinning on the CIL lock. Given that
+flushing the CIL could involve walking a list of tens of thousands of log
+items, it will get held for a significant time and so spin contention is a
+significant concern. Preventing lots of CPUs spinning doing nothing is the
+main reason for choosing a sleeping lock even though nothing in either the
+transaction commit or CIL flush side sleeps with the lock held.
+
+It should also be noted that CIL flushing is also a relatively rare operation
+compared to transaction commit for asynchronous transaction workloads - only
+time will tell if using a read-write semaphore for exclusion will limit
+transaction commit concurrency due to cache line bouncing of the lock on the
+read side.
+
+The second serialisation point is on the transaction commit side where items
+are inserted into the CIL. Because transactions can enter this code
+concurrently, the CIL needs to be protected separately from the above
+commit/flush exclusion. It also needs to be an exclusive lock but it is only
+held for a very short time and so a spin lock is appropriate here. It is
+possible that this lock will become a contention point, but given the short
+hold time once per transaction I think that contention is unlikely.
+
+The final serialisation point is the checkpoint commit record ordering code
+that is run as part of the checkpoint commit and log force sequencing. The code
+path that triggers a CIL flush (i.e. whatever triggers the log force) will enter
+an ordering loop after writing all the log vectors into the log buffers but
+before writing the commit record. This loop walks the list of committing
+checkpoints and needs to block waiting for checkpoints to complete their commit
+record write. As a result it needs a lock and a wait variable. Log force
+sequencing also requires the same lock, list walk, and blocking mechanism to
+ensure completion of checkpoints.
+
+These two sequencing operations can use the mechanism even though the
+events they are waiting for are different. The checkpoint commit record
+sequencing needs to wait until checkpoint contexts contain a commit LSN
+(obtained through completion of a commit record write) while log force
+sequencing needs to wait until previous checkpoint contexts are removed from
+the committing list (i.e. they've completed). A simple wait variable and
+broadcast wakeups (thundering herds) has been used to implement these two
+serialisation queues. They use the same lock as the CIL, too. If we see too
+much contention on the CIL lock, or too many context switches as a result of
+the broadcast wakeups these operations can be put under a new spinlock and
+given separate wait lists to reduce lock contention and the number of processes
+woken by the wrong event.
+
+
+Lifecycle Changes
+
+The existing log item life cycle is as follows:
+
+	1. Transaction allocate
+	2. Transaction reserve
+	3. Lock item
+	4. Join item to transaction
+		If not already attached,
+			Allocate log item
+			Attach log item to owner item
+		Attach log item to transaction
+	5. Modify item
+		Record modifications in log item
+	6. Transaction commit
+		Pin item in memory
+		Format item into log buffer
+		Write commit LSN into transaction
+		Unlock item
+		Attach transaction to log buffer
+
+	<log buffer IO dispatched>
+	<log buffer IO completes>
+
+	7. Transaction completion
+		Mark log item committed
+		Insert log item into AIL
+			Write commit LSN into log item
+		Unpin log item
+	8. AIL traversal
+		Lock item
+		Mark log item clean
+		Flush item to disk
+
+	<item IO completion>
+
+	9. Log item removed from AIL
+		Moves log tail
+		Item unlocked
+
+Essentially, steps 1-6 operate independently from step 7, which is also
+independent of steps 8-9. An item can be locked in steps 1-6 or steps 8-9
+at the same time step 7 is occurring, but only steps 1-6 or 8-9 can occur
+at the same time. If the log item is in the AIL or between steps 6 and 7
+and steps 1-6 are re-entered, then the item is relogged. Only when steps 8-9
+are entered and completed is the object considered clean.
+
+With delayed logging, there are new steps inserted into the life cycle:
+
+	1. Transaction allocate
+	2. Transaction reserve
+	3. Lock item
+	4. Join item to transaction
+		If not already attached,
+			Allocate log item
+			Attach log item to owner item
+		Attach log item to transaction
+	5. Modify item
+		Record modifications in log item
+	6. Transaction commit
+		Pin item in memory if not pinned in CIL
+		Format item into log vector + buffer
+		Attach log vector and buffer to log item
+		Insert log item into CIL
+		Write CIL context sequence into transaction
+		Unlock item
+
+	<next log force>
+
+	7. CIL push
+		lock CIL flush
+		Chain log vectors and buffers together
+		Remove items from CIL
+		unlock CIL flush
+		write log vectors into log
+		sequence commit records
+		attach checkpoint context to log buffer
+
+	<log buffer IO dispatched>
+	<log buffer IO completes>
+
+	8. Checkpoint completion
+		Mark log item committed
+		Insert item into AIL
+			Write commit LSN into log item
+		Unpin log item
+	9. AIL traversal
+		Lock item
+		Mark log item clean
+		Flush item to disk
+	<item IO completion>
+	10. Log item removed from AIL
+		Moves log tail
+		Item unlocked
+
+From this, it can be seen that the only life cycle differences between the two
+logging methods are in the middle of the life cycle - they still have the same
+beginning and end and execution constraints. The only differences are in the
+commiting of the log items to the log itself and the completion processing.
+Hence delayed logging should not introduce any constraints on log item
+behaviour, allocation or freeing that don't already exist.
+
+As a result of this zero-impact "insertion" of delayed logging infrastructure
+and the design of the internal structures to avoid on disk format changes, we
+can basically switch between delayed logging and the existing mechanism with a
+mount option. Fundamentally, there is no reason why the log manager would not
+be able to swap methods automatically and transparently depending on load
+characteristics, but this should not be necessary if delayed logging works as
+designed.
+
+Roadmap:
+
+2.6.35 Inclusion in mainline as an experimental mount option
+	=> approximately 2-3 months to merge window
+	=> needs to be in xfs-dev tree in 4-6 weeks
+	=> code is nearing readiness for review
+
+2.6.37 Remove experimental tag from mount option
+	=> should be roughly 6 months after initial merge
+	=> enough time to:
+		=> gain confidence and fix problems reported by early
+		   adopters (a.k.a. guinea pigs)
+		=> address worst performance regressions and undesired
+		   behaviours
+		=> start tuning/optimising code for parallelism
+		=> start tuning/optimising algorithms consuming
+		   excessive CPU time
+
+2.6.39 Switch default mount option to use delayed logging
+	=> should be roughly 12 months after initial merge
+	=> enough time to shake out remaining problems before next round of
+	   enterprise distro kernel rebases

From 71e330b593905e40d6c5afa824d38ee02d70ce5f Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 21 May 2010 14:37:18 +1000
Subject: [PATCH 2862/3638] xfs: Introduce delayed logging core code

The delayed logging code only changes in-memory structures and as
such can be enabled and disabled with a mount option. Add the mount
option and emit a warning that this is an experimental feature that
should not be used in production yet.

We also need infrastructure to track committed items that have not
yet been written to the log. This is what the Committed Item List
(CIL) is for.

The log item also needs to be extended to track the current log
vector, the associated memory buffer and it's location in the Commit
Item List. Extend the log item and log vector structures to enable
this tracking.

To maintain the current log format for transactions with delayed
logging, we need to introduce a checkpoint transaction and a context
for tracking each checkpoint from initiation to transaction
completion.  This includes adding a log ticket for tracking space
log required/used by the context checkpoint.

To track all the changes we need an io vector array per log item,
rather than a single array for the entire transaction. Using the new
log vector structure for this requires two passes - the first to
allocate the log vector structures and chain them together, and the
second to fill them out.  This log vector chain can then be passed
to the CIL for formatting, pinning and insertion into the CIL.

Formatting of the log vector chain is relatively simple - it's just
a loop over the iovecs on each log vector, but it is made slightly
more complex because we re-write the iovec after the copy to point
back at the memory buffer we just copied into.

This code also needs to pin log items. If the log item is not
already tracked in this checkpoint context, then it needs to be
pinned. Otherwise it is already pinned and we don't need to pin it
again.

The only other complexity is calculating the amount of new log space
the formatting has consumed. This needs to be accounted to the
transaction in progress, and the accounting is made more complex
becase we need also to steal space from it for log metadata in the
checkpoint transaction. Calculate all this at insert time and update
all the tickets, counters, etc correctly.

Once we've formatted all the log items in the transaction, attach
the busy extents to the checkpoint context so the busy extents live
until checkpoint completion and can be processed at that point in
time. Transactions can then be freed at this point in time.

Now we need to issue checkpoints - we are tracking the amount of log space
used by the items in the CIL, so we can trigger background checkpoints when the
space usage gets to a certain threshold. Otherwise, checkpoints need ot be
triggered when a log synchronisation point is reached - a log force event.

Because the log write code already handles chained log vectors, writing the
transaction is trivial, too. Construct a transaction header, add it
to the head of the chain and write it into the log, then issue a
commit record write. Then we can release the checkpoint log ticket
and attach the context to the log buffer so it can be called during
Io completion to complete the checkpoint.

We also need to allow for synchronising multiple in-flight
checkpoints. This is needed for two things - the first is to ensure
that checkpoint commit records appear in the log in the correct
sequence order (so they are replayed in the correct order). The
second is so that xfs_log_force_lsn() operates correctly and only
flushes and/or waits for the specific sequence it was provided with.

To do this we need a wait variable and a list tracking the
checkpoint commits in progress. We can walk this list and wait for
the checkpoints to change state or complete easily, an this provides
the necessary synchronisation for correct operation in both cases.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/Makefile              |   1 +
 fs/xfs/linux-2.6/xfs_super.c |  10 +
 fs/xfs/xfs_log.c             |  64 +++-
 fs/xfs/xfs_log.h             |   9 +-
 fs/xfs/xfs_log_cil.c         | 659 +++++++++++++++++++++++++++++++++++
 fs/xfs/xfs_log_priv.h        |  71 +++-
 fs/xfs/xfs_mount.h           |   1 +
 fs/xfs/xfs_trans.c           | 103 +++++-
 fs/xfs/xfs_trans.h           |   8 +-
 fs/xfs/xfs_trans_item.c      |   5 +-
 fs/xfs/xfs_trans_priv.h      |  11 +-
 11 files changed, 912 insertions(+), 30 deletions(-)
 create mode 100644 fs/xfs/xfs_log_cil.c

diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index b4769e40e8b..c8fb13f83b3 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -77,6 +77,7 @@ xfs-y				+= xfs_alloc.o \
 				   xfs_itable.o \
 				   xfs_dfrag.o \
 				   xfs_log.o \
+				   xfs_log_cil.o \
 				   xfs_log_recover.o \
 				   xfs_mount.o \
 				   xfs_mru_cache.o \
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index a8ea03afe2e..775de2b5727 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -119,6 +119,8 @@ mempool_t *xfs_ioend_pool;
 #define MNTOPT_DMAPI	"dmapi"		/* DMI enabled (DMAPI / XDSM) */
 #define MNTOPT_XDSM	"xdsm"		/* DMI enabled (DMAPI / XDSM) */
 #define MNTOPT_DMI	"dmi"		/* DMI enabled (DMAPI / XDSM) */
+#define MNTOPT_DELAYLOG   "delaylog"	/* Delayed loging enabled */
+#define MNTOPT_NODELAYLOG "nodelaylog"	/* Delayed loging disabled */
 
 /*
  * Table driven mount option parser.
@@ -374,6 +376,13 @@ xfs_parseargs(
 			mp->m_flags |= XFS_MOUNT_DMAPI;
 		} else if (!strcmp(this_char, MNTOPT_DMI)) {
 			mp->m_flags |= XFS_MOUNT_DMAPI;
+		} else if (!strcmp(this_char, MNTOPT_DELAYLOG)) {
+			mp->m_flags |= XFS_MOUNT_DELAYLOG;
+			cmn_err(CE_WARN,
+				"Enabling EXPERIMENTAL delayed logging feature "
+				"- use at your own risk.\n");
+		} else if (!strcmp(this_char, MNTOPT_NODELAYLOG)) {
+			mp->m_flags &= ~XFS_MOUNT_DELAYLOG;
 		} else if (!strcmp(this_char, "ihashsize")) {
 			cmn_err(CE_WARN,
 	"XFS: ihashsize no longer used, option is deprecated.");
@@ -535,6 +544,7 @@ xfs_showargs(
 		{ XFS_MOUNT_FILESTREAMS,	"," MNTOPT_FILESTREAM },
 		{ XFS_MOUNT_DMAPI,		"," MNTOPT_DMAPI },
 		{ XFS_MOUNT_GRPID,		"," MNTOPT_GRPID },
+		{ XFS_MOUNT_DELAYLOG,		"," MNTOPT_DELAYLOG },
 		{ 0, NULL }
 	};
 	static struct proc_xfs_info xfs_info_unset[] = {
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 19d0c5f73e2..027ebfe2067 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -54,9 +54,6 @@ STATIC xlog_t *  xlog_alloc_log(xfs_mount_t	*mp,
 STATIC int	 xlog_space_left(xlog_t *log, int cycle, int bytes);
 STATIC int	 xlog_sync(xlog_t *log, xlog_in_core_t *iclog);
 STATIC void	 xlog_dealloc_log(xlog_t *log);
-STATIC int	 xlog_write(struct log *log, struct xfs_log_vec *log_vector,
-			    struct xlog_ticket *tic, xfs_lsn_t *start_lsn,
-			    xlog_in_core_t **commit_iclog, uint flags);
 
 /* local state machine functions */
 STATIC void xlog_state_done_syncing(xlog_in_core_t *iclog, int);
@@ -86,12 +83,6 @@ STATIC int xlog_regrant_write_log_space(xlog_t		*log,
 STATIC void xlog_ungrant_log_space(xlog_t	 *log,
 				   xlog_ticket_t *ticket);
 
-
-/* local ticket functions */
-STATIC xlog_ticket_t *xlog_ticket_alloc(xlog_t *log, int unit_bytes, int count,
-					char clientid, uint flags,
-					int alloc_flags);
-
 #if defined(DEBUG)
 STATIC void	xlog_verify_dest_ptr(xlog_t *log, char *ptr);
 STATIC void	xlog_verify_grant_head(xlog_t *log, int equals);
@@ -460,6 +451,13 @@ xfs_log_mount(
 	/* Normal transactions can now occur */
 	mp->m_log->l_flags &= ~XLOG_ACTIVE_RECOVERY;
 
+	/*
+	 * Now the log has been fully initialised and we know were our
+	 * space grant counters are, we can initialise the permanent ticket
+	 * needed for delayed logging to work.
+	 */
+	xlog_cil_init_post_recovery(mp->m_log);
+
 	return 0;
 
 out_destroy_ail:
@@ -666,6 +664,10 @@ xfs_log_item_init(
 	item->li_ailp = mp->m_ail;
 	item->li_type = type;
 	item->li_ops = ops;
+	item->li_lv = NULL;
+
+	INIT_LIST_HEAD(&item->li_ail);
+	INIT_LIST_HEAD(&item->li_cil);
 }
 
 /*
@@ -1176,6 +1178,9 @@ xlog_alloc_log(xfs_mount_t	*mp,
 	*iclogp = log->l_iclog;			/* complete ring */
 	log->l_iclog->ic_prev = prev_iclog;	/* re-write 1st prev ptr */
 
+	error = xlog_cil_init(log);
+	if (error)
+		goto out_free_iclog;
 	return log;
 
 out_free_iclog:
@@ -1502,6 +1507,8 @@ xlog_dealloc_log(xlog_t *log)
 	xlog_in_core_t	*iclog, *next_iclog;
 	int		i;
 
+	xlog_cil_destroy(log);
+
 	iclog = log->l_iclog;
 	for (i=0; i<log->l_iclog_bufs; i++) {
 		sv_destroy(&iclog->ic_force_wait);
@@ -1544,8 +1551,10 @@ xlog_state_finish_copy(xlog_t		*log,
  * print out info relating to regions written which consume
  * the reservation
  */
-STATIC void
-xlog_print_tic_res(xfs_mount_t *mp, xlog_ticket_t *ticket)
+void
+xlog_print_tic_res(
+	struct xfs_mount	*mp,
+	struct xlog_ticket	*ticket)
 {
 	uint i;
 	uint ophdr_spc = ticket->t_res_num_ophdrs * (uint)sizeof(xlog_op_header_t);
@@ -1877,7 +1886,7 @@ xlog_write_copy_finish(
  *	we don't update ic_offset until the end when we know exactly how many
  *	bytes have been written out.
  */
-STATIC int
+int
 xlog_write(
 	struct log		*log,
 	struct xfs_log_vec	*log_vector,
@@ -1901,9 +1910,26 @@ xlog_write(
 	*start_lsn = 0;
 
 	len = xlog_write_calc_vec_length(ticket, log_vector);
-	if (ticket->t_curr_res < len)
+	if (log->l_cilp) {
+		/*
+		 * Region headers and bytes are already accounted for.
+		 * We only need to take into account start records and
+		 * split regions in this function.
+		 */
+		if (ticket->t_flags & XLOG_TIC_INITED)
+			ticket->t_curr_res -= sizeof(xlog_op_header_t);
+
+		/*
+		 * Commit record headers need to be accounted for. These
+		 * come in as separate writes so are easy to detect.
+		 */
+		if (flags & (XLOG_COMMIT_TRANS | XLOG_UNMOUNT_TRANS))
+			ticket->t_curr_res -= sizeof(xlog_op_header_t);
+	} else
+		ticket->t_curr_res -= len;
+
+	if (ticket->t_curr_res < 0)
 		xlog_print_tic_res(log->l_mp, ticket);
-	ticket->t_curr_res -= len;
 
 	index = 0;
 	lv = log_vector;
@@ -2999,6 +3025,8 @@ _xfs_log_force(
 
 	XFS_STATS_INC(xs_log_force);
 
+	xlog_cil_push(log, 1);
+
 	spin_lock(&log->l_icloglock);
 
 	iclog = log->l_iclog;
@@ -3148,6 +3176,12 @@ _xfs_log_force_lsn(
 
 	XFS_STATS_INC(xs_log_force);
 
+	if (log->l_cilp) {
+		lsn = xlog_cil_push_lsn(log, lsn);
+		if (lsn == NULLCOMMITLSN)
+			return 0;
+	}
+
 try_again:
 	spin_lock(&log->l_icloglock);
 	iclog = log->l_iclog;
@@ -3322,7 +3356,7 @@ xfs_log_get_trans_ident(
 /*
  * Allocate and initialise a new log ticket.
  */
-STATIC xlog_ticket_t *
+xlog_ticket_t *
 xlog_ticket_alloc(
 	struct log	*log,
 	int		unit_bytes,
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 05f205aac91..4a0c57432e8 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -113,6 +113,9 @@ struct xfs_log_vec {
 	struct xfs_log_vec	*lv_next;	/* next lv in build list */
 	int			lv_niovecs;	/* number of iovecs in lv */
 	struct xfs_log_iovec	*lv_iovecp;	/* iovec array */
+	struct xfs_log_item	*lv_item;	/* owner */
+	char			*lv_buf;	/* formatted buffer */
+	int			lv_buf_len;	/* size of formatted buffer */
 };
 
 /*
@@ -187,11 +190,15 @@ int	  xfs_log_need_covered(struct xfs_mount *mp);
 
 void	  xlog_iodone(struct xfs_buf *);
 
-struct xlog_ticket * xfs_log_ticket_get(struct xlog_ticket *ticket);
+struct xlog_ticket *xfs_log_ticket_get(struct xlog_ticket *ticket);
 void	  xfs_log_ticket_put(struct xlog_ticket *ticket);
 
 xlog_tid_t xfs_log_get_trans_ident(struct xfs_trans *tp);
 
+int	xfs_log_commit_cil(struct xfs_mount *mp, struct xfs_trans *tp,
+				struct xfs_log_vec *log_vector,
+				xfs_lsn_t *commit_lsn, int flags);
+
 #endif
 
 
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
new file mode 100644
index 00000000000..53abd6b0a33
--- /dev/null
+++ b/fs/xfs/xfs_log_cil.c
@@ -0,0 +1,659 @@
+/*
+ * Copyright (c) 2010 Red Hat, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "xfs.h"
+#include "xfs_fs.h"
+#include "xfs_types.h"
+#include "xfs_bit.h"
+#include "xfs_log.h"
+#include "xfs_inum.h"
+#include "xfs_trans.h"
+#include "xfs_trans_priv.h"
+#include "xfs_log_priv.h"
+#include "xfs_sb.h"
+#include "xfs_ag.h"
+#include "xfs_dir2.h"
+#include "xfs_dmapi.h"
+#include "xfs_mount.h"
+#include "xfs_error.h"
+#include "xfs_alloc.h"
+
+/*
+ * Perform initial CIL structure initialisation. If the CIL is not
+ * enabled in this filesystem, ensure the log->l_cilp is null so
+ * we can check this conditional to determine if we are doing delayed
+ * logging or not.
+ */
+int
+xlog_cil_init(
+	struct log	*log)
+{
+	struct xfs_cil	*cil;
+	struct xfs_cil_ctx *ctx;
+
+	log->l_cilp = NULL;
+	if (!(log->l_mp->m_flags & XFS_MOUNT_DELAYLOG))
+		return 0;
+
+	cil = kmem_zalloc(sizeof(*cil), KM_SLEEP|KM_MAYFAIL);
+	if (!cil)
+		return ENOMEM;
+
+	ctx = kmem_zalloc(sizeof(*ctx), KM_SLEEP|KM_MAYFAIL);
+	if (!ctx) {
+		kmem_free(cil);
+		return ENOMEM;
+	}
+
+	INIT_LIST_HEAD(&cil->xc_cil);
+	INIT_LIST_HEAD(&cil->xc_committing);
+	spin_lock_init(&cil->xc_cil_lock);
+	init_rwsem(&cil->xc_ctx_lock);
+	sv_init(&cil->xc_commit_wait, SV_DEFAULT, "cilwait");
+
+	INIT_LIST_HEAD(&ctx->committing);
+	INIT_LIST_HEAD(&ctx->busy_extents);
+	ctx->sequence = 1;
+	ctx->cil = cil;
+	cil->xc_ctx = ctx;
+
+	cil->xc_log = log;
+	log->l_cilp = cil;
+	return 0;
+}
+
+void
+xlog_cil_destroy(
+	struct log	*log)
+{
+	if (!log->l_cilp)
+		return;
+
+	if (log->l_cilp->xc_ctx) {
+		if (log->l_cilp->xc_ctx->ticket)
+			xfs_log_ticket_put(log->l_cilp->xc_ctx->ticket);
+		kmem_free(log->l_cilp->xc_ctx);
+	}
+
+	ASSERT(list_empty(&log->l_cilp->xc_cil));
+	kmem_free(log->l_cilp);
+}
+
+/*
+ * Allocate a new ticket. Failing to get a new ticket makes it really hard to
+ * recover, so we don't allow failure here. Also, we allocate in a context that
+ * we don't want to be issuing transactions from, so we need to tell the
+ * allocation code this as well.
+ *
+ * We don't reserve any space for the ticket - we are going to steal whatever
+ * space we require from transactions as they commit. To ensure we reserve all
+ * the space required, we need to set the current reservation of the ticket to
+ * zero so that we know to steal the initial transaction overhead from the
+ * first transaction commit.
+ */
+static struct xlog_ticket *
+xlog_cil_ticket_alloc(
+	struct log	*log)
+{
+	struct xlog_ticket *tic;
+
+	tic = xlog_ticket_alloc(log, 0, 1, XFS_TRANSACTION, 0,
+				KM_SLEEP|KM_NOFS);
+	tic->t_trans_type = XFS_TRANS_CHECKPOINT;
+
+	/*
+	 * set the current reservation to zero so we know to steal the basic
+	 * transaction overhead reservation from the first transaction commit.
+	 */
+	tic->t_curr_res = 0;
+	return tic;
+}
+
+/*
+ * After the first stage of log recovery is done, we know where the head and
+ * tail of the log are. We need this log initialisation done before we can
+ * initialise the first CIL checkpoint context.
+ *
+ * Here we allocate a log ticket to track space usage during a CIL push.  This
+ * ticket is passed to xlog_write() directly so that we don't slowly leak log
+ * space by failing to account for space used by log headers and additional
+ * region headers for split regions.
+ */
+void
+xlog_cil_init_post_recovery(
+	struct log	*log)
+{
+	if (!log->l_cilp)
+		return;
+
+	log->l_cilp->xc_ctx->ticket = xlog_cil_ticket_alloc(log);
+	log->l_cilp->xc_ctx->sequence = 1;
+	log->l_cilp->xc_ctx->commit_lsn = xlog_assign_lsn(log->l_curr_cycle,
+								log->l_curr_block);
+}
+
+/*
+ * Insert the log item into the CIL and calculate the difference in space
+ * consumed by the item. Add the space to the checkpoint ticket and calculate
+ * if the change requires additional log metadata. If it does, take that space
+ * as well. Remove the amount of space we addded to the checkpoint ticket from
+ * the current transaction ticket so that the accounting works out correctly.
+ *
+ * If this is the first time the item is being placed into the CIL in this
+ * context, pin it so it can't be written to disk until the CIL is flushed to
+ * the iclog and the iclog written to disk.
+ */
+static void
+xlog_cil_insert(
+	struct log		*log,
+	struct xlog_ticket	*ticket,
+	struct xfs_log_item	*item,
+	struct xfs_log_vec	*lv)
+{
+	struct xfs_cil		*cil = log->l_cilp;
+	struct xfs_log_vec	*old = lv->lv_item->li_lv;
+	struct xfs_cil_ctx	*ctx = cil->xc_ctx;
+	int			len;
+	int			diff_iovecs;
+	int			iclog_space;
+
+	if (old) {
+		/* existing lv on log item, space used is a delta */
+		ASSERT(!list_empty(&item->li_cil));
+		ASSERT(old->lv_buf && old->lv_buf_len && old->lv_niovecs);
+
+		len = lv->lv_buf_len - old->lv_buf_len;
+		diff_iovecs = lv->lv_niovecs - old->lv_niovecs;
+		kmem_free(old->lv_buf);
+		kmem_free(old);
+	} else {
+		/* new lv, must pin the log item */
+		ASSERT(!lv->lv_item->li_lv);
+		ASSERT(list_empty(&item->li_cil));
+
+		len = lv->lv_buf_len;
+		diff_iovecs = lv->lv_niovecs;
+		IOP_PIN(lv->lv_item);
+
+	}
+	len += diff_iovecs * sizeof(xlog_op_header_t);
+
+	/* attach new log vector to log item */
+	lv->lv_item->li_lv = lv;
+
+	spin_lock(&cil->xc_cil_lock);
+	list_move_tail(&item->li_cil, &cil->xc_cil);
+	ctx->nvecs += diff_iovecs;
+
+	/*
+	 * Now transfer enough transaction reservation to the context ticket
+	 * for the checkpoint. The context ticket is special - the unit
+	 * reservation has to grow as well as the current reservation as we
+	 * steal from tickets so we can correctly determine the space used
+	 * during the transaction commit.
+	 */
+	if (ctx->ticket->t_curr_res == 0) {
+		/* first commit in checkpoint, steal the header reservation */
+		ASSERT(ticket->t_curr_res >= ctx->ticket->t_unit_res + len);
+		ctx->ticket->t_curr_res = ctx->ticket->t_unit_res;
+		ticket->t_curr_res -= ctx->ticket->t_unit_res;
+	}
+
+	/* do we need space for more log record headers? */
+	iclog_space = log->l_iclog_size - log->l_iclog_hsize;
+	if (len > 0 && (ctx->space_used / iclog_space !=
+				(ctx->space_used + len) / iclog_space)) {
+		int hdrs;
+
+		hdrs = (len + iclog_space - 1) / iclog_space;
+		/* need to take into account split region headers, too */
+		hdrs *= log->l_iclog_hsize + sizeof(struct xlog_op_header);
+		ctx->ticket->t_unit_res += hdrs;
+		ctx->ticket->t_curr_res += hdrs;
+		ticket->t_curr_res -= hdrs;
+		ASSERT(ticket->t_curr_res >= len);
+	}
+	ticket->t_curr_res -= len;
+	ctx->space_used += len;
+
+	spin_unlock(&cil->xc_cil_lock);
+}
+
+/*
+ * Format log item into a flat buffers
+ *
+ * For delayed logging, we need to hold a formatted buffer containing all the
+ * changes on the log item. This enables us to relog the item in memory and
+ * write it out asynchronously without needing to relock the object that was
+ * modified at the time it gets written into the iclog.
+ *
+ * This function builds a vector for the changes in each log item in the
+ * transaction. It then works out the length of the buffer needed for each log
+ * item, allocates them and formats the vector for the item into the buffer.
+ * The buffer is then attached to the log item are then inserted into the
+ * Committed Item List for tracking until the next checkpoint is written out.
+ *
+ * We don't set up region headers during this process; we simply copy the
+ * regions into the flat buffer. We can do this because we still have to do a
+ * formatting step to write the regions into the iclog buffer.  Writing the
+ * ophdrs during the iclog write means that we can support splitting large
+ * regions across iclog boundares without needing a change in the format of the
+ * item/region encapsulation.
+ *
+ * Hence what we need to do now is change the rewrite the vector array to point
+ * to the copied region inside the buffer we just allocated. This allows us to
+ * format the regions into the iclog as though they are being formatted
+ * directly out of the objects themselves.
+ */
+static void
+xlog_cil_format_items(
+	struct log		*log,
+	struct xfs_log_vec	*log_vector,
+	struct xlog_ticket	*ticket,
+	xfs_lsn_t		*start_lsn)
+{
+	struct xfs_log_vec *lv;
+
+	if (start_lsn)
+		*start_lsn = log->l_cilp->xc_ctx->sequence;
+
+	ASSERT(log_vector);
+	for (lv = log_vector; lv; lv = lv->lv_next) {
+		void	*ptr;
+		int	index;
+		int	len = 0;
+
+		/* build the vector array and calculate it's length */
+		IOP_FORMAT(lv->lv_item, lv->lv_iovecp);
+		for (index = 0; index < lv->lv_niovecs; index++)
+			len += lv->lv_iovecp[index].i_len;
+
+		lv->lv_buf_len = len;
+		lv->lv_buf = kmem_zalloc(lv->lv_buf_len, KM_SLEEP|KM_NOFS);
+		ptr = lv->lv_buf;
+
+		for (index = 0; index < lv->lv_niovecs; index++) {
+			struct xfs_log_iovec *vec = &lv->lv_iovecp[index];
+
+			memcpy(ptr, vec->i_addr, vec->i_len);
+			vec->i_addr = ptr;
+			ptr += vec->i_len;
+		}
+		ASSERT(ptr == lv->lv_buf + lv->lv_buf_len);
+
+		xlog_cil_insert(log, ticket, lv->lv_item, lv);
+	}
+}
+
+static void
+xlog_cil_free_logvec(
+	struct xfs_log_vec	*log_vector)
+{
+	struct xfs_log_vec	*lv;
+
+	for (lv = log_vector; lv; ) {
+		struct xfs_log_vec *next = lv->lv_next;
+		kmem_free(lv->lv_buf);
+		kmem_free(lv);
+		lv = next;
+	}
+}
+
+/*
+ * Commit a transaction with the given vector to the Committed Item List.
+ *
+ * To do this, we need to format the item, pin it in memory if required and
+ * account for the space used by the transaction. Once we have done that we
+ * need to release the unused reservation for the transaction, attach the
+ * transaction to the checkpoint context so we carry the busy extents through
+ * to checkpoint completion, and then unlock all the items in the transaction.
+ *
+ * For more specific information about the order of operations in
+ * xfs_log_commit_cil() please refer to the comments in
+ * xfs_trans_commit_iclog().
+ */
+int
+xfs_log_commit_cil(
+	struct xfs_mount	*mp,
+	struct xfs_trans	*tp,
+	struct xfs_log_vec	*log_vector,
+	xfs_lsn_t		*commit_lsn,
+	int			flags)
+{
+	struct log		*log = mp->m_log;
+	int			log_flags = 0;
+
+	if (flags & XFS_TRANS_RELEASE_LOG_RES)
+		log_flags = XFS_LOG_REL_PERM_RESERV;
+
+	if (XLOG_FORCED_SHUTDOWN(log)) {
+		xlog_cil_free_logvec(log_vector);
+		return XFS_ERROR(EIO);
+	}
+
+	/* lock out background commit */
+	down_read(&log->l_cilp->xc_ctx_lock);
+	xlog_cil_format_items(log, log_vector, tp->t_ticket, commit_lsn);
+
+	/* check we didn't blow the reservation */
+	if (tp->t_ticket->t_curr_res < 0)
+		xlog_print_tic_res(log->l_mp, tp->t_ticket);
+
+	/* attach the transaction to the CIL if it has any busy extents */
+	if (!list_empty(&tp->t_busy)) {
+		spin_lock(&log->l_cilp->xc_cil_lock);
+		list_splice_init(&tp->t_busy,
+					&log->l_cilp->xc_ctx->busy_extents);
+		spin_unlock(&log->l_cilp->xc_cil_lock);
+	}
+
+	tp->t_commit_lsn = *commit_lsn;
+	xfs_log_done(mp, tp->t_ticket, NULL, log_flags);
+	xfs_trans_unreserve_and_mod_sb(tp);
+
+	/* background commit is allowed again */
+	up_read(&log->l_cilp->xc_ctx_lock);
+	return 0;
+}
+
+/*
+ * Mark all items committed and clear busy extents. We free the log vector
+ * chains in a separate pass so that we unpin the log items as quickly as
+ * possible.
+ */
+static void
+xlog_cil_committed(
+	void	*args,
+	int	abort)
+{
+	struct xfs_cil_ctx	*ctx = args;
+	struct xfs_log_vec	*lv;
+	int			abortflag = abort ? XFS_LI_ABORTED : 0;
+	struct xfs_busy_extent	*busyp, *n;
+
+	/* unpin all the log items */
+	for (lv = ctx->lv_chain; lv; lv = lv->lv_next ) {
+		xfs_trans_item_committed(lv->lv_item, ctx->start_lsn,
+							abortflag);
+	}
+
+	list_for_each_entry_safe(busyp, n, &ctx->busy_extents, list)
+		xfs_alloc_busy_clear(ctx->cil->xc_log->l_mp, busyp);
+
+	spin_lock(&ctx->cil->xc_cil_lock);
+	list_del(&ctx->committing);
+	spin_unlock(&ctx->cil->xc_cil_lock);
+
+	xlog_cil_free_logvec(ctx->lv_chain);
+	kmem_free(ctx);
+}
+
+/*
+ * Push the Committed Item List to the log. If the push_now flag is not set,
+ * then it is a background flush and so we can chose to ignore it.
+ */
+int
+xlog_cil_push(
+	struct log		*log,
+	int			push_now)
+{
+	struct xfs_cil		*cil = log->l_cilp;
+	struct xfs_log_vec	*lv;
+	struct xfs_cil_ctx	*ctx;
+	struct xfs_cil_ctx	*new_ctx;
+	struct xlog_in_core	*commit_iclog;
+	struct xlog_ticket	*tic;
+	int			num_lv;
+	int			num_iovecs;
+	int			len;
+	int			error = 0;
+	struct xfs_trans_header thdr;
+	struct xfs_log_iovec	lhdr;
+	struct xfs_log_vec	lvhdr = { NULL };
+	xfs_lsn_t		commit_lsn;
+
+	if (!cil)
+		return 0;
+
+	/* XXX: don't sleep for background? */
+	new_ctx = kmem_zalloc(sizeof(*new_ctx), KM_SLEEP|KM_NOFS);
+	new_ctx->ticket = xlog_cil_ticket_alloc(log);
+
+	/* lock out transaction commit */
+	down_write(&cil->xc_ctx_lock);
+	ctx = cil->xc_ctx;
+
+	/* check if we've anything to push */
+	if (list_empty(&cil->xc_cil))
+		goto out_skip;
+
+	/*
+	 * pull all the log vectors off the items in the CIL, and
+	 * remove the items from the CIL. We don't need the CIL lock
+	 * here because it's only needed on the transaction commit
+	 * side which is currently locked out by the flush lock.
+	 */
+	lv = NULL;
+	num_lv = 0;
+	num_iovecs = 0;
+	len = 0;
+	while (!list_empty(&cil->xc_cil)) {
+		struct xfs_log_item	*item;
+		int			i;
+
+		item = list_first_entry(&cil->xc_cil,
+					struct xfs_log_item, li_cil);
+		list_del_init(&item->li_cil);
+		if (!ctx->lv_chain)
+			ctx->lv_chain = item->li_lv;
+		else
+			lv->lv_next = item->li_lv;
+		lv = item->li_lv;
+		item->li_lv = NULL;
+
+		num_lv++;
+		num_iovecs += lv->lv_niovecs;
+		for (i = 0; i < lv->lv_niovecs; i++)
+			len += lv->lv_iovecp[i].i_len;
+	}
+
+	/*
+	 * initialise the new context and attach it to the CIL. Then attach
+	 * the current context to the CIL committing lsit so it can be found
+	 * during log forces to extract the commit lsn of the sequence that
+	 * needs to be forced.
+	 */
+	INIT_LIST_HEAD(&new_ctx->committing);
+	INIT_LIST_HEAD(&new_ctx->busy_extents);
+	new_ctx->sequence = ctx->sequence + 1;
+	new_ctx->cil = cil;
+	cil->xc_ctx = new_ctx;
+
+	/*
+	 * The switch is now done, so we can drop the context lock and move out
+	 * of a shared context. We can't just go straight to the commit record,
+	 * though - we need to synchronise with previous and future commits so
+	 * that the commit records are correctly ordered in the log to ensure
+	 * that we process items during log IO completion in the correct order.
+	 *
+	 * For example, if we get an EFI in one checkpoint and the EFD in the
+	 * next (e.g. due to log forces), we do not want the checkpoint with
+	 * the EFD to be committed before the checkpoint with the EFI.  Hence
+	 * we must strictly order the commit records of the checkpoints so
+	 * that: a) the checkpoint callbacks are attached to the iclogs in the
+	 * correct order; and b) the checkpoints are replayed in correct order
+	 * in log recovery.
+	 *
+	 * Hence we need to add this context to the committing context list so
+	 * that higher sequences will wait for us to write out a commit record
+	 * before they do.
+	 */
+	spin_lock(&cil->xc_cil_lock);
+	list_add(&ctx->committing, &cil->xc_committing);
+	spin_unlock(&cil->xc_cil_lock);
+	up_write(&cil->xc_ctx_lock);
+
+	/*
+	 * Build a checkpoint transaction header and write it to the log to
+	 * begin the transaction. We need to account for the space used by the
+	 * transaction header here as it is not accounted for in xlog_write().
+	 *
+	 * The LSN we need to pass to the log items on transaction commit is
+	 * the LSN reported by the first log vector write. If we use the commit
+	 * record lsn then we can move the tail beyond the grant write head.
+	 */
+	tic = ctx->ticket;
+	thdr.th_magic = XFS_TRANS_HEADER_MAGIC;
+	thdr.th_type = XFS_TRANS_CHECKPOINT;
+	thdr.th_tid = tic->t_tid;
+	thdr.th_num_items = num_iovecs;
+	lhdr.i_addr = (xfs_caddr_t)&thdr;
+	lhdr.i_len = sizeof(xfs_trans_header_t);
+	lhdr.i_type = XLOG_REG_TYPE_TRANSHDR;
+	tic->t_curr_res -= lhdr.i_len + sizeof(xlog_op_header_t);
+
+	lvhdr.lv_niovecs = 1;
+	lvhdr.lv_iovecp = &lhdr;
+	lvhdr.lv_next = ctx->lv_chain;
+
+	error = xlog_write(log, &lvhdr, tic, &ctx->start_lsn, NULL, 0);
+	if (error)
+		goto out_abort;
+
+	/*
+	 * now that we've written the checkpoint into the log, strictly
+	 * order the commit records so replay will get them in the right order.
+	 */
+restart:
+	spin_lock(&cil->xc_cil_lock);
+	list_for_each_entry(new_ctx, &cil->xc_committing, committing) {
+		/*
+		 * Higher sequences will wait for this one so skip them.
+		 * Don't wait for own own sequence, either.
+		 */
+		if (new_ctx->sequence >= ctx->sequence)
+			continue;
+		if (!new_ctx->commit_lsn) {
+			/*
+			 * It is still being pushed! Wait for the push to
+			 * complete, then start again from the beginning.
+			 */
+			sv_wait(&cil->xc_commit_wait, 0, &cil->xc_cil_lock, 0);
+			goto restart;
+		}
+	}
+	spin_unlock(&cil->xc_cil_lock);
+
+	commit_lsn = xfs_log_done(log->l_mp, tic, &commit_iclog, 0);
+	if (error || commit_lsn == -1)
+		goto out_abort;
+
+	/* attach all the transactions w/ busy extents to iclog */
+	ctx->log_cb.cb_func = xlog_cil_committed;
+	ctx->log_cb.cb_arg = ctx;
+	error = xfs_log_notify(log->l_mp, commit_iclog, &ctx->log_cb);
+	if (error)
+		goto out_abort;
+
+	/*
+	 * now the checkpoint commit is complete and we've attached the
+	 * callbacks to the iclog we can assign the commit LSN to the context
+	 * and wake up anyone who is waiting for the commit to complete.
+	 */
+	spin_lock(&cil->xc_cil_lock);
+	ctx->commit_lsn = commit_lsn;
+	sv_broadcast(&cil->xc_commit_wait);
+	spin_unlock(&cil->xc_cil_lock);
+
+	/* release the hounds! */
+	return xfs_log_release_iclog(log->l_mp, commit_iclog);
+
+out_skip:
+	up_write(&cil->xc_ctx_lock);
+	xfs_log_ticket_put(new_ctx->ticket);
+	kmem_free(new_ctx);
+	return 0;
+
+out_abort:
+	xlog_cil_committed(ctx, XFS_LI_ABORTED);
+	return XFS_ERROR(EIO);
+}
+
+/*
+ * Conditionally push the CIL based on the sequence passed in.
+ *
+ * We only need to push if we haven't already pushed the sequence
+ * number given. Hence the only time we will trigger a push here is
+ * if the push sequence is the same as the current context.
+ *
+ * We return the current commit lsn to allow the callers to determine if a
+ * iclog flush is necessary following this call.
+ *
+ * XXX: Initially, just push the CIL unconditionally and return whatever
+ * commit lsn is there. It'll be empty, so this is broken for now.
+ */
+xfs_lsn_t
+xlog_cil_push_lsn(
+	struct log	*log,
+	xfs_lsn_t	push_seq)
+{
+	struct xfs_cil		*cil = log->l_cilp;
+	struct xfs_cil_ctx	*ctx;
+	xfs_lsn_t		commit_lsn = NULLCOMMITLSN;
+
+restart:
+	down_write(&cil->xc_ctx_lock);
+	ASSERT(push_seq <= cil->xc_ctx->sequence);
+
+	/* check to see if we need to force out the current context */
+	if (push_seq == cil->xc_ctx->sequence) {
+		up_write(&cil->xc_ctx_lock);
+		xlog_cil_push(log, 1);
+		goto restart;
+	}
+
+	/*
+	 * See if we can find a previous sequence still committing.
+	 * We can drop the flush lock as soon as we have the cil lock
+	 * because we are now only comparing contexts protected by
+	 * the cil lock.
+	 *
+	 * We need to wait for all previous sequence commits to complete
+	 * before allowing the force of push_seq to go ahead. Hence block
+	 * on commits for those as well.
+	 */
+	spin_lock(&cil->xc_cil_lock);
+	up_write(&cil->xc_ctx_lock);
+	list_for_each_entry(ctx, &cil->xc_committing, committing) {
+		if (ctx->sequence > push_seq)
+			continue;
+		if (!ctx->commit_lsn) {
+			/*
+			 * It is still being pushed! Wait for the push to
+			 * complete, then start again from the beginning.
+			 */
+			sv_wait(&cil->xc_commit_wait, 0, &cil->xc_cil_lock, 0);
+			goto restart;
+		}
+		if (ctx->sequence != push_seq)
+			continue;
+		/* found it! */
+		commit_lsn = ctx->commit_lsn;
+	}
+	spin_unlock(&cil->xc_cil_lock);
+	return commit_lsn;
+}
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index ac97bddcadb..48d920891b9 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -376,6 +376,54 @@ typedef struct xlog_in_core {
 #define ic_header	ic_data->hic_header
 } xlog_in_core_t;
 
+/*
+ * The CIL context is used to aggregate per-transaction details as well be
+ * passed to the iclog for checkpoint post-commit processing.  After being
+ * passed to the iclog, another context needs to be allocated for tracking the
+ * next set of transactions to be aggregated into a checkpoint.
+ */
+struct xfs_cil;
+
+struct xfs_cil_ctx {
+	struct xfs_cil		*cil;
+	xfs_lsn_t		sequence;	/* chkpt sequence # */
+	xfs_lsn_t		start_lsn;	/* first LSN of chkpt commit */
+	xfs_lsn_t		commit_lsn;	/* chkpt commit record lsn */
+	struct xlog_ticket	*ticket;	/* chkpt ticket */
+	int			nvecs;		/* number of regions */
+	int			space_used;	/* aggregate size of regions */
+	struct list_head	busy_extents;	/* busy extents in chkpt */
+	struct xfs_log_vec	*lv_chain;	/* logvecs being pushed */
+	xfs_log_callback_t	log_cb;		/* completion callback hook. */
+	struct list_head	committing;	/* ctx committing list */
+};
+
+/*
+ * Committed Item List structure
+ *
+ * This structure is used to track log items that have been committed but not
+ * yet written into the log. It is used only when the delayed logging mount
+ * option is enabled.
+ *
+ * This structure tracks the list of committing checkpoint contexts so
+ * we can avoid the problem of having to hold out new transactions during a
+ * flush until we have a the commit record LSN of the checkpoint. We can
+ * traverse the list of committing contexts in xlog_cil_push_lsn() to find a
+ * sequence match and extract the commit LSN directly from there. If the
+ * checkpoint is still in the process of committing, we can block waiting for
+ * the commit LSN to be determined as well. This should make synchronous
+ * operations almost as efficient as the old logging methods.
+ */
+struct xfs_cil {
+	struct log		*xc_log;
+	struct list_head	xc_cil;
+	spinlock_t		xc_cil_lock;
+	struct xfs_cil_ctx	*xc_ctx;
+	struct rw_semaphore	xc_ctx_lock;
+	struct list_head	xc_committing;
+	sv_t			xc_commit_wait;
+};
+
 /*
  * The reservation head lsn is not made up of a cycle number and block number.
  * Instead, it uses a cycle number and byte number.  Logs don't expect to
@@ -386,6 +434,7 @@ typedef struct log {
 	/* The following fields don't need locking */
 	struct xfs_mount	*l_mp;	        /* mount point */
 	struct xfs_ail		*l_ailp;	/* AIL log is working with */
+	struct xfs_cil		*l_cilp;	/* CIL log is working with */
 	struct xfs_buf		*l_xbuf;        /* extra buffer for log
 						 * wrapping */
 	struct xfs_buftarg	*l_targ;        /* buftarg of log */
@@ -436,14 +485,17 @@ typedef struct log {
 
 #define XLOG_FORCED_SHUTDOWN(log)	((log)->l_flags & XLOG_IO_ERROR)
 
-
 /* common routines */
 extern xfs_lsn_t xlog_assign_tail_lsn(struct xfs_mount *mp);
 extern int	 xlog_recover(xlog_t *log);
 extern int	 xlog_recover_finish(xlog_t *log);
 extern void	 xlog_pack_data(xlog_t *log, xlog_in_core_t *iclog, int);
 
-extern kmem_zone_t	*xfs_log_ticket_zone;
+extern kmem_zone_t *xfs_log_ticket_zone;
+struct xlog_ticket *xlog_ticket_alloc(struct log *log, int unit_bytes,
+				int count, char client, uint xflags,
+				int alloc_flags);
+
 
 static inline void
 xlog_write_adv_cnt(void **ptr, int *len, int *off, size_t bytes)
@@ -453,6 +505,21 @@ xlog_write_adv_cnt(void **ptr, int *len, int *off, size_t bytes)
 	*off += bytes;
 }
 
+void	xlog_print_tic_res(struct xfs_mount *mp, struct xlog_ticket *ticket);
+int	xlog_write(struct log *log, struct xfs_log_vec *log_vector,
+				struct xlog_ticket *tic, xfs_lsn_t *start_lsn,
+				xlog_in_core_t **commit_iclog, uint flags);
+
+/*
+ * Committed Item List interfaces
+ */
+int	xlog_cil_init(struct log *log);
+void	xlog_cil_init_post_recovery(struct log *log);
+void	xlog_cil_destroy(struct log *log);
+
+int	xlog_cil_push(struct log *log, int push_now);
+xfs_lsn_t xlog_cil_push_lsn(struct log *log, xfs_lsn_t push_sequence);
+
 /*
  * Unmount record type is used as a pseudo transaction type for the ticket.
  * It's value must be outside the range of XFS_TRANS_* values.
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 9ff48a16a7e..1d2c7eed4ed 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -268,6 +268,7 @@ typedef struct xfs_mount {
 #define XFS_MOUNT_WSYNC		(1ULL << 0)	/* for nfs - all metadata ops
 						   must be synchronous except
 						   for space allocations */
+#define XFS_MOUNT_DELAYLOG	(1ULL << 1)	/* delayed logging is enabled */
 #define XFS_MOUNT_DMAPI		(1ULL << 2)	/* dmapi is enabled */
 #define XFS_MOUNT_WAS_CLEAN	(1ULL << 3)
 #define XFS_MOUNT_FS_SHUTDOWN	(1ULL << 4)	/* atomic stop of all filesystem
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 40d9595a8de..ce558efa2ea 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -655,7 +655,7 @@ xfs_trans_apply_sb_deltas(
  * XFS_TRANS_SB_DIRTY will not be set when the transaction is updated but we
  * still need to update the incore superblock with the changes.
  */
-STATIC void
+void
 xfs_trans_unreserve_and_mod_sb(
 	xfs_trans_t	*tp)
 {
@@ -883,7 +883,7 @@ xfs_trans_fill_vecs(
  * they could be immediately flushed and we'd have to race with the flusher
  * trying to pull the item from the AIL as we add it.
  */
-static void
+void
 xfs_trans_item_committed(
 	struct xfs_log_item	*lip,
 	xfs_lsn_t		commit_lsn,
@@ -994,7 +994,7 @@ xfs_trans_uncommit(
 	xfs_trans_unreserve_and_mod_sb(tp);
 	xfs_trans_unreserve_and_mod_dquots(tp);
 
-	xfs_trans_free_items(tp, flags);
+	xfs_trans_free_items(tp, NULLCOMMITLSN, flags);
 	xfs_trans_free(tp);
 }
 
@@ -1144,6 +1144,93 @@ xfs_trans_commit_iclog(
 	return xfs_log_release_iclog(mp, commit_iclog);
 }
 
+/*
+ * Walk the log items and allocate log vector structures for
+ * each item large enough to fit all the vectors they require.
+ * Note that this format differs from the old log vector format in
+ * that there is no transaction header in these log vectors.
+ */
+STATIC struct xfs_log_vec *
+xfs_trans_alloc_log_vecs(
+	xfs_trans_t	*tp)
+{
+	xfs_log_item_desc_t	*lidp;
+	struct xfs_log_vec	*lv = NULL;
+	struct xfs_log_vec	*ret_lv = NULL;
+
+	lidp = xfs_trans_first_item(tp);
+
+	/* Bail out if we didn't find a log item.  */
+	if (!lidp) {
+		ASSERT(0);
+		return NULL;
+	}
+
+	while (lidp != NULL) {
+		struct xfs_log_vec *new_lv;
+
+		/* Skip items which aren't dirty in this transaction. */
+		if (!(lidp->lid_flags & XFS_LID_DIRTY)) {
+			lidp = xfs_trans_next_item(tp, lidp);
+			continue;
+		}
+
+		/* Skip items that do not have any vectors for writing */
+		lidp->lid_size = IOP_SIZE(lidp->lid_item);
+		if (!lidp->lid_size) {
+			lidp = xfs_trans_next_item(tp, lidp);
+			continue;
+		}
+
+		new_lv = kmem_zalloc(sizeof(*new_lv) +
+				lidp->lid_size * sizeof(struct xfs_log_iovec),
+				KM_SLEEP);
+
+		/* The allocated iovec region lies beyond the log vector. */
+		new_lv->lv_iovecp = (struct xfs_log_iovec *)&new_lv[1];
+		new_lv->lv_niovecs = lidp->lid_size;
+		new_lv->lv_item = lidp->lid_item;
+		if (!ret_lv)
+			ret_lv = new_lv;
+		else
+			lv->lv_next = new_lv;
+		lv = new_lv;
+		lidp = xfs_trans_next_item(tp, lidp);
+	}
+
+	return ret_lv;
+}
+
+static int
+xfs_trans_commit_cil(
+	struct xfs_mount	*mp,
+	struct xfs_trans	*tp,
+	xfs_lsn_t		*commit_lsn,
+	int			flags)
+{
+	struct xfs_log_vec	*log_vector;
+	int			error;
+
+	/*
+	 * Get each log item to allocate a vector structure for
+	 * the log item to to pass to the log write code. The
+	 * CIL commit code will format the vector and save it away.
+	 */
+	log_vector = xfs_trans_alloc_log_vecs(tp);
+	if (!log_vector)
+		return ENOMEM;
+
+	error = xfs_log_commit_cil(mp, tp, log_vector, commit_lsn, flags);
+	if (error)
+		return error;
+
+	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
+
+	/* xfs_trans_free_items() unlocks them first */
+	xfs_trans_free_items(tp, *commit_lsn, 0);
+	xfs_trans_free(tp);
+	return 0;
+}
 
 /*
  * xfs_trans_commit
@@ -1204,7 +1291,11 @@ _xfs_trans_commit(
 		xfs_trans_apply_sb_deltas(tp);
 	xfs_trans_apply_dquot_deltas(tp);
 
-	error = xfs_trans_commit_iclog(mp, tp, &commit_lsn, flags);
+	if (mp->m_flags & XFS_MOUNT_DELAYLOG)
+		error = xfs_trans_commit_cil(mp, tp, &commit_lsn, flags);
+	else
+		error = xfs_trans_commit_iclog(mp, tp, &commit_lsn, flags);
+
 	if (error == ENOMEM) {
 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
 		error = XFS_ERROR(EIO);
@@ -1242,7 +1333,7 @@ out_unreserve:
 			error = XFS_ERROR(EIO);
 	}
 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
-	xfs_trans_free_items(tp, error ? XFS_TRANS_ABORT : 0);
+	xfs_trans_free_items(tp, NULLCOMMITLSN, error ? XFS_TRANS_ABORT : 0);
 	xfs_trans_free(tp);
 
 	XFS_STATS_INC(xs_trans_empty);
@@ -1320,7 +1411,7 @@ xfs_trans_cancel(
 	/* mark this thread as no longer being in a transaction */
 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
 
-	xfs_trans_free_items(tp, flags);
+	xfs_trans_free_items(tp, NULLCOMMITLSN, flags);
 	xfs_trans_free(tp);
 }
 
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index ff7e9e6eee8..b1ea20c66b3 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -106,7 +106,8 @@ typedef struct xfs_trans_header {
 #define	XFS_TRANS_GROWFSRT_FREE		39
 #define	XFS_TRANS_SWAPEXT		40
 #define	XFS_TRANS_SB_COUNT		41
-#define	XFS_TRANS_TYPE_MAX		41
+#define	XFS_TRANS_CHECKPOINT		42
+#define	XFS_TRANS_TYPE_MAX		42
 /* new transaction types need to be reflected in xfs_logprint(8) */
 
 #define XFS_TRANS_TYPES \
@@ -148,6 +149,7 @@ typedef struct xfs_trans_header {
 	{ XFS_TRANS_GROWFSRT_FREE,	"GROWFSRT_FREE" }, \
 	{ XFS_TRANS_SWAPEXT,		"SWAPEXT" }, \
 	{ XFS_TRANS_SB_COUNT,		"SB_COUNT" }, \
+	{ XFS_TRANS_CHECKPOINT,		"CHECKPOINT" }, \
 	{ XFS_TRANS_DUMMY1,		"DUMMY1" }, \
 	{ XFS_TRANS_DUMMY2,		"DUMMY2" }, \
 	{ XLOG_UNMOUNT_REC_TYPE,	"UNMOUNT" }
@@ -829,6 +831,10 @@ typedef struct xfs_log_item {
 							/* buffer item iodone */
 							/* callback func */
 	struct xfs_item_ops		*li_ops;	/* function list */
+
+	/* delayed logging */
+	struct list_head		li_cil;		/* CIL pointers */
+	struct xfs_log_vec		*li_lv;		/* active log vector */
 } xfs_log_item_t;
 
 #define	XFS_LI_IN_AIL	0x1
diff --git a/fs/xfs/xfs_trans_item.c b/fs/xfs/xfs_trans_item.c
index 2937a1e5331..f11d37d06dc 100644
--- a/fs/xfs/xfs_trans_item.c
+++ b/fs/xfs/xfs_trans_item.c
@@ -299,6 +299,7 @@ xfs_trans_next_item(xfs_trans_t *tp, xfs_log_item_desc_t *lidp)
 void
 xfs_trans_free_items(
 	xfs_trans_t	*tp,
+	xfs_lsn_t	commit_lsn,
 	int		flags)
 {
 	xfs_log_item_chunk_t	*licp;
@@ -311,7 +312,7 @@ xfs_trans_free_items(
 	 * Special case the embedded chunk so we don't free it below.
 	 */
 	if (!xfs_lic_are_all_free(licp)) {
-		(void) xfs_trans_unlock_chunk(licp, 1, abort, NULLCOMMITLSN);
+		(void) xfs_trans_unlock_chunk(licp, 1, abort, commit_lsn);
 		xfs_lic_all_free(licp);
 		licp->lic_unused = 0;
 	}
@@ -322,7 +323,7 @@ xfs_trans_free_items(
 	 */
 	while (licp != NULL) {
 		ASSERT(!xfs_lic_are_all_free(licp));
-		(void) xfs_trans_unlock_chunk(licp, 1, abort, NULLCOMMITLSN);
+		(void) xfs_trans_unlock_chunk(licp, 1, abort, commit_lsn);
 		next_licp = licp->lic_next;
 		kmem_free(licp);
 		licp = next_licp;
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index 901dc0f032d..c6e4f2c8de6 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -35,9 +35,14 @@ struct xfs_log_item_desc	*xfs_trans_find_item(struct xfs_trans *,
 struct xfs_log_item_desc	*xfs_trans_first_item(struct xfs_trans *);
 struct xfs_log_item_desc	*xfs_trans_next_item(struct xfs_trans *,
 					     struct xfs_log_item_desc *);
-void				xfs_trans_free_items(struct xfs_trans *, int);
-void				xfs_trans_unlock_items(struct xfs_trans *,
-							xfs_lsn_t);
+
+void	xfs_trans_unlock_items(struct xfs_trans *tp, xfs_lsn_t commit_lsn);
+void	xfs_trans_free_items(struct xfs_trans *tp, xfs_lsn_t commit_lsn,
+				int flags);
+
+void	xfs_trans_item_committed(struct xfs_log_item *lip,
+				xfs_lsn_t commit_lsn, int aborted);
+void	xfs_trans_unreserve_and_mod_sb(struct xfs_trans *tp);
 
 /*
  * AIL traversal cursor.

From 9da1ab181ac1790f86528b86ba5876f037e8dcdc Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Mon, 17 May 2010 15:51:59 +1000
Subject: [PATCH 2863/3638] xfs: forced unmounts need to push the CIL

If the filesystem is being shut down and the there is no log error,
the current code forces out the current log buffers. This code now needs
to push the CIL before it forces out the log buffers to acheive the same
result.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_log.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 027ebfe2067..5215abc8023 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -3688,6 +3688,11 @@ xlog_state_ioerror(
  *	c. nothing new gets queued up after (a) and (b) are done.
  *	d. if !logerror, flush the iclogs to disk, then seal them off
  *	   for business.
+ *
+ * Note: for delayed logging the !logerror case needs to flush the regions
+ * held in memory out to the iclogs before flushing them to disk. This needs
+ * to be done before the log is marked as shutdown, otherwise the flush to the
+ * iclogs will fail.
  */
 int
 xfs_log_force_umount(
@@ -3721,6 +3726,16 @@ xfs_log_force_umount(
 		return 1;
 	}
 	retval = 0;
+
+	/*
+	 * Flush the in memory commit item list before marking the log as
+	 * being shut down. We need to do it in this order to ensure all the
+	 * completed transactions are flushed to disk with the xfs_log_force()
+	 * call below.
+	 */
+	if (!logerror && (mp->m_flags & XFS_MOUNT_DELAYLOG))
+		xlog_cil_push(log, 1);
+
 	/*
 	 * We must hold both the GRANT lock and the LOG lock,
 	 * before we mark the filesystem SHUTDOWN and wake

From df806158b0f6eb24247773b4a19b8b59d7217e59 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Mon, 17 May 2010 15:52:13 +1000
Subject: [PATCH 2864/3638] xfs: enable background pushing of the CIL

If we let the CIL grow without bound, it will grow large enough to violate
recovery constraints (must be at least one complete transaction in the log at
all times) or take forever to write out through the log buffers. Hence we need
a check during asynchronous transactions as to whether the CIL needs to be
pushed.

We track the amount of log space the CIL consumes, so it is relatively simple
to limit it on a pure size basis. Make the limit the minimum of just under half
the log size (recovery constraint) or 8MB of log space (which is an awful lot
of metadata).

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_log_cil.c  | 29 ++++++++++++++++++++++++----
 fs/xfs/xfs_log_priv.h | 45 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index 53abd6b0a33..9b21f80f31c 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -336,6 +336,7 @@ xfs_log_commit_cil(
 {
 	struct log		*log = mp->m_log;
 	int			log_flags = 0;
+	int			push = 0;
 
 	if (flags & XFS_TRANS_RELEASE_LOG_RES)
 		log_flags = XFS_LOG_REL_PERM_RESERV;
@@ -365,8 +366,20 @@ xfs_log_commit_cil(
 	xfs_log_done(mp, tp->t_ticket, NULL, log_flags);
 	xfs_trans_unreserve_and_mod_sb(tp);
 
-	/* background commit is allowed again */
+	/* check for background commit before unlock */
+	if (log->l_cilp->xc_ctx->space_used > XLOG_CIL_SPACE_LIMIT(log))
+		push = 1;
 	up_read(&log->l_cilp->xc_ctx_lock);
+
+	/*
+	 * We need to push CIL every so often so we don't cache more than we
+	 * can fit in the log. The limit really is that a checkpoint can't be
+	 * more than half the log (the current checkpoint is not allowed to
+	 * overwrite the previous checkpoint), but commit latency and memory
+	 * usage limit this to a smaller size in most cases.
+	 */
+	if (push)
+		xlog_cil_push(log, 0);
 	return 0;
 }
 
@@ -429,18 +442,25 @@ xlog_cil_push(
 	if (!cil)
 		return 0;
 
-	/* XXX: don't sleep for background? */
 	new_ctx = kmem_zalloc(sizeof(*new_ctx), KM_SLEEP|KM_NOFS);
 	new_ctx->ticket = xlog_cil_ticket_alloc(log);
 
-	/* lock out transaction commit */
-	down_write(&cil->xc_ctx_lock);
+	/* lock out transaction commit, but don't block on background push */
+	if (!down_write_trylock(&cil->xc_ctx_lock)) {
+		if (!push_now)
+			goto out_free_ticket;
+		down_write(&cil->xc_ctx_lock);
+	}
 	ctx = cil->xc_ctx;
 
 	/* check if we've anything to push */
 	if (list_empty(&cil->xc_cil))
 		goto out_skip;
 
+	/* check for spurious background flush */
+	if (!push_now && cil->xc_ctx->space_used < XLOG_CIL_SPACE_LIMIT(log))
+		goto out_skip;
+
 	/*
 	 * pull all the log vectors off the items in the CIL, and
 	 * remove the items from the CIL. We don't need the CIL lock
@@ -584,6 +604,7 @@ restart:
 
 out_skip:
 	up_write(&cil->xc_ctx_lock);
+out_free_ticket:
 	xfs_log_ticket_put(new_ctx->ticket);
 	kmem_free(new_ctx);
 	return 0;
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 48d920891b9..8c072618965 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -424,6 +424,51 @@ struct xfs_cil {
 	sv_t			xc_commit_wait;
 };
 
+/*
+ * The amount of log space we should the CIL to aggregate is difficult to size.
+ * Whatever we chose we have to make we can get a reservation for the log space
+ * effectively, that it is large enough to capture sufficient relogging to
+ * reduce log buffer IO significantly, but it is not too large for the log or
+ * induces too much latency when writing out through the iclogs. We track both
+ * space consumed and the number of vectors in the checkpoint context, so we
+ * need to decide which to use for limiting.
+ *
+ * Every log buffer we write out during a push needs a header reserved, which
+ * is at least one sector and more for v2 logs. Hence we need a reservation of
+ * at least 512 bytes per 32k of log space just for the LR headers. That means
+ * 16KB of reservation per megabyte of delayed logging space we will consume,
+ * plus various headers.  The number of headers will vary based on the num of
+ * io vectors, so limiting on a specific number of vectors is going to result
+ * in transactions of varying size. IOWs, it is more consistent to track and
+ * limit space consumed in the log rather than by the number of objects being
+ * logged in order to prevent checkpoint ticket overruns.
+ *
+ * Further, use of static reservations through the log grant mechanism is
+ * problematic. It introduces a lot of complexity (e.g. reserve grant vs write
+ * grant) and a significant deadlock potential because regranting write space
+ * can block on log pushes. Hence if we have to regrant log space during a log
+ * push, we can deadlock.
+ *
+ * However, we can avoid this by use of a dynamic "reservation stealing"
+ * technique during transaction commit whereby unused reservation space in the
+ * transaction ticket is transferred to the CIL ctx commit ticket to cover the
+ * space needed by the checkpoint transaction. This means that we never need to
+ * specifically reserve space for the CIL checkpoint transaction, nor do we
+ * need to regrant space once the checkpoint completes. This also means the
+ * checkpoint transaction ticket is specific to the checkpoint context, rather
+ * than the CIL itself.
+ *
+ * With dynamic reservations, we can basically make up arbitrary limits for the
+ * checkpoint size so long as they don't violate any other size rules.  Hence
+ * the initial maximum size for the checkpoint transaction will be set to a
+ * quarter of the log or 8MB, which ever is smaller. 8MB is an arbitrary limit
+ * right now based on the latency of writing out a large amount of data through
+ * the circular iclog buffers.
+ */
+
+#define XLOG_CIL_SPACE_LIMIT(log)	\
+	(min((log->l_logsize >> 2), (8 * 1024 * 1024)))
+
 /*
  * The reservation head lsn is not made up of a cycle number and block number.
  * Instead, it uses a cycle number and byte number.  Logs don't expect to

From ccf7c23fc129e75ef60e6f59f60a485b7a056598 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Thu, 20 May 2010 23:19:42 +1000
Subject: [PATCH 2865/3638] xfs: Ensure inode allocation buffers are fully
 replayed
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

With delayed logging, we can get inode allocation buffers in the
same transaction inode unlink buffers. We don't currently mark inode
allocation buffers in the log, so inode unlink buffers take
precedence over allocation buffers.

The result is that when they are combined into the same checkpoint,
only the unlinked inode chain fields are replayed, resulting in
uninitialised inode buffers being detected when the next inode
modification is replayed.

To fix this, we need to ensure that we do not set the inode buffer
flag in the buffer log item format flags if the inode allocation has
not already hit the log. To avoid requiring a change to log
recovery, we really need to make this a modification that relies
only on in-memory sate.

We can do this by checking during buffer log formatting (while the
CIL cannot be flushed) if we are still in the same sequence when we
commit the unlink transaction as the inode allocation transaction.
If we are, then we do not add the inode buffer flag to the buffer
log format item flags. This means the entire buffer will be
replayed, not just the unlinked fields. We do this while
CIL flusheѕ are locked out to ensure that we don't race with the
sequence numbers changing and hence fail to put the inode buffer
flag in the buffer format flags when we really need to.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_buf_item.c  | 14 +++++++++++++
 fs/xfs/xfs_buf_item.h  |  4 +++-
 fs/xfs/xfs_log.h       |  1 +
 fs/xfs/xfs_log_cil.c   | 45 ++++++++++++++++++++++++++++++++++++++++++
 fs/xfs/xfs_trans.h     |  1 +
 fs/xfs/xfs_trans_buf.c | 20 +++++++++----------
 6 files changed, 74 insertions(+), 11 deletions(-)

diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index bcbb6615083..02a80984aa0 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -254,6 +254,20 @@ xfs_buf_item_format(
 	vecp++;
 	nvecs = 1;
 
+	/*
+	 * If it is an inode buffer, transfer the in-memory state to the
+	 * format flags and clear the in-memory state. We do not transfer
+	 * this state if the inode buffer allocation has not yet been committed
+	 * to the log as setting the XFS_BLI_INODE_BUF flag will prevent
+	 * correct replay of the inode allocation.
+	 */
+	if (bip->bli_flags & XFS_BLI_INODE_BUF) {
+		if (!((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
+		      xfs_log_item_in_current_chkpt(&bip->bli_item)))
+			bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF;
+		bip->bli_flags &= ~XFS_BLI_INODE_BUF;
+	}
+
 	if (bip->bli_flags & XFS_BLI_STALE) {
 		/*
 		 * The buffer is stale, so all we need to log
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 8cbb82b1d95..f20bb472d58 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -69,6 +69,7 @@ typedef struct xfs_buf_log_format {
 #define	XFS_BLI_LOGGED		0x08
 #define	XFS_BLI_INODE_ALLOC_BUF	0x10
 #define XFS_BLI_STALE_INODE	0x20
+#define	XFS_BLI_INODE_BUF	0x40
 
 #define XFS_BLI_FLAGS \
 	{ XFS_BLI_HOLD,		"HOLD" }, \
@@ -76,7 +77,8 @@ typedef struct xfs_buf_log_format {
 	{ XFS_BLI_STALE,	"STALE" }, \
 	{ XFS_BLI_LOGGED,	"LOGGED" }, \
 	{ XFS_BLI_INODE_ALLOC_BUF, "INODE_ALLOC" }, \
-	{ XFS_BLI_STALE_INODE,	"STALE_INODE" }
+	{ XFS_BLI_STALE_INODE,	"STALE_INODE" }, \
+	{ XFS_BLI_INODE_BUF,	"INODE_BUF" }
 
 
 #ifdef __KERNEL__
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 4a0c57432e8..04c78e642cc 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -198,6 +198,7 @@ xlog_tid_t xfs_log_get_trans_ident(struct xfs_trans *tp);
 int	xfs_log_commit_cil(struct xfs_mount *mp, struct xfs_trans *tp,
 				struct xfs_log_vec *log_vector,
 				xfs_lsn_t *commit_lsn, int flags);
+bool	xfs_log_item_in_current_chkpt(struct xfs_log_item *lip);
 
 #endif
 
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index 9b21f80f31c..bb17cc044bf 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -199,6 +199,15 @@ xlog_cil_insert(
 	list_move_tail(&item->li_cil, &cil->xc_cil);
 	ctx->nvecs += diff_iovecs;
 
+	/*
+	 * If this is the first time the item is being committed to the CIL,
+	 * store the sequence number on the log item so we can tell
+	 * in future commits whether this is the first checkpoint the item is
+	 * being committed into.
+	 */
+	if (!item->li_seq)
+		item->li_seq = ctx->sequence;
+
 	/*
 	 * Now transfer enough transaction reservation to the context ticket
 	 * for the checkpoint. The context ticket is special - the unit
@@ -325,6 +334,10 @@ xlog_cil_free_logvec(
  * For more specific information about the order of operations in
  * xfs_log_commit_cil() please refer to the comments in
  * xfs_trans_commit_iclog().
+ *
+ * Called with the context lock already held in read mode to lock out
+ * background commit, returns without it held once background commits are
+ * allowed again.
  */
 int
 xfs_log_commit_cil(
@@ -678,3 +691,35 @@ restart:
 	spin_unlock(&cil->xc_cil_lock);
 	return commit_lsn;
 }
+
+/*
+ * Check if the current log item was first committed in this sequence.
+ * We can't rely on just the log item being in the CIL, we have to check
+ * the recorded commit sequence number.
+ *
+ * Note: for this to be used in a non-racy manner, it has to be called with
+ * CIL flushing locked out. As a result, it should only be used during the
+ * transaction commit process when deciding what to format into the item.
+ */
+bool
+xfs_log_item_in_current_chkpt(
+	struct xfs_log_item *lip)
+{
+	struct xfs_cil_ctx *ctx;
+
+	if (!(lip->li_mountp->m_flags & XFS_MOUNT_DELAYLOG))
+		return false;
+	if (list_empty(&lip->li_cil))
+		return false;
+
+	ctx = lip->li_mountp->m_log->l_cilp->xc_ctx;
+
+	/*
+	 * li_seq is written on the first commit of a log item to record the
+	 * first checkpoint it is written to. Hence if it is different to the
+	 * current sequence, we're in a new checkpoint.
+	 */
+	if (XFS_LSN_CMP(lip->li_seq, ctx->sequence) != 0)
+		return false;
+	return true;
+}
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index b1ea20c66b3..8c69e7824f6 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -835,6 +835,7 @@ typedef struct xfs_log_item {
 	/* delayed logging */
 	struct list_head		li_cil;		/* CIL pointers */
 	struct xfs_log_vec		*li_lv;		/* active log vector */
+	xfs_lsn_t			li_seq;		/* CIL commit seq */
 } xfs_log_item_t;
 
 #define	XFS_LI_IN_AIL	0x1
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 3390c3e7441..63d81a22f4f 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -792,7 +792,7 @@ xfs_trans_binval(
 	XFS_BUF_UNDELAYWRITE(bp);
 	XFS_BUF_STALE(bp);
 	bip->bli_flags |= XFS_BLI_STALE;
-	bip->bli_flags &= ~(XFS_BLI_LOGGED | XFS_BLI_DIRTY);
+	bip->bli_flags &= ~(XFS_BLI_INODE_BUF | XFS_BLI_LOGGED | XFS_BLI_DIRTY);
 	bip->bli_format.blf_flags &= ~XFS_BLF_INODE_BUF;
 	bip->bli_format.blf_flags |= XFS_BLF_CANCEL;
 	memset((char *)(bip->bli_format.blf_data_map), 0,
@@ -802,16 +802,16 @@ xfs_trans_binval(
 }
 
 /*
- * This call is used to indicate that the buffer contains on-disk
- * inodes which must be handled specially during recovery.  They
- * require special handling because only the di_next_unlinked from
- * the inodes in the buffer should be recovered.  The rest of the
- * data in the buffer is logged via the inodes themselves.
+ * This call is used to indicate that the buffer contains on-disk inodes which
+ * must be handled specially during recovery.  They require special handling
+ * because only the di_next_unlinked from the inodes in the buffer should be
+ * recovered.  The rest of the data in the buffer is logged via the inodes
+ * themselves.
  *
- * All we do is set the XFS_BLI_INODE_BUF flag in the buffer's log
- * format structure so that we'll know what to do at recovery time.
+ * All we do is set the XFS_BLI_INODE_BUF flag in the items flags so it can be
+ * transferred to the buffer's log format structure so that we'll know what to
+ * do at recovery time.
  */
-/* ARGSUSED */
 void
 xfs_trans_inode_buf(
 	xfs_trans_t	*tp,
@@ -826,7 +826,7 @@ xfs_trans_inode_buf(
 	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);
 
-	bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF;
+	bip->bli_flags |= XFS_BLI_INODE_BUF;
 }
 
 /*

From e6b50c30fa8d46c9401c2d48eee2351bdbb4c51c Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 10:53:45 +0200
Subject: [PATCH 2866/3638] [SCSI] be2iscsi: correct return value in
 mgmt_invalidate_icds()

This function should return 0 on error.  Returning -1 would cause a
crash.

Also there is an extra space before the newline character and a missing
space between the "for" and the "mgmt_invalidate_icds".  I put the string
on one line.  The current version of checkpatch.pl complains that the
line is too long, but it makes grepping easier.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/be2iscsi/be_mgmt.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index e641922f20b..350cbeaae16 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -167,10 +167,9 @@ unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
 				&nonemb_cmd.dma);
 	if (nonemb_cmd.va == NULL) {
 		SE_DEBUG(DBG_LVL_1,
-			 "Failed to allocate memory for"
-			 "mgmt_invalidate_icds \n");
+			 "Failed to allocate memory for mgmt_invalidate_icds\n");
 		spin_unlock(&ctrl->mbox_lock);
-		return -1;
+		return 0;
 	}
 	nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
 	req = nonemb_cmd.va;

From 438b03311108b05a7b794bcf3941700853c62d1e Mon Sep 17 00:00:00 2001
From: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Date: Mon, 10 May 2010 09:13:00 -0700
Subject: [PATCH 2867/3638] [SCSI] ipr: implement fixes for 64 bit adapter
 support

Implement some small fixes for 64 bit support that were preventing
the adapter from becoming operational.

Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/ipr.c | 13 +++++++++----
 drivers/scsi/ipr.h |  3 ++-
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 6a6661c35b2..735402f61ab 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -1040,7 +1040,7 @@ static void ipr_init_res_entry(struct ipr_resource_entry *res,
 		proto = cfgtew->u.cfgte64->proto;
 		res->res_flags = cfgtew->u.cfgte64->res_flags;
 		res->qmodel = IPR_QUEUEING_MODEL64(res);
-		res->type = cfgtew->u.cfgte64->res_type & 0x0f;
+		res->type = cfgtew->u.cfgte64->res_type;
 
 		memcpy(res->res_path, &cfgtew->u.cfgte64->res_path,
 			sizeof(res->res_path));
@@ -5014,6 +5014,8 @@ static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg,
 
 	ipr_cmd->dma_use_sg = nseg;
 
+	ioarcb->data_transfer_length = cpu_to_be32(length);
+
 	if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) {
 		ioadl_flags = IPR_IOADL_FLAGS_WRITE;
 		ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
@@ -6706,7 +6708,7 @@ static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd)
 		list_move_tail(&res->queue, &old_res);
 
 	if (ioa_cfg->sis64)
-		entries = ioa_cfg->u.cfg_table64->hdr64.num_entries;
+		entries = be16_to_cpu(ioa_cfg->u.cfg_table64->hdr64.num_entries);
 	else
 		entries = ioa_cfg->u.cfg_table->hdr.num_entries;
 
@@ -6792,6 +6794,7 @@ static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd)
 	ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
 
 	ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG;
+	ioarcb->cmd_pkt.cdb[6] = (ioa_cfg->cfg_table_size >> 16) & 0xff;
 	ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff;
 	ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff;
 
@@ -7122,7 +7125,9 @@ static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd)
 	ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time);
 
 	/* sanity check the stage_time value */
-	if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME)
+	if (stage_time == 0)
+		stage_time = IPR_IPL_INIT_DEFAULT_STAGE_TIME;
+	else if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME)
 		stage_time = IPR_IPL_INIT_MIN_STAGE_TIME;
 	else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT)
 		stage_time = IPR_LONG_OPERATIONAL_TIMEOUT;
@@ -7364,7 +7369,7 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
 		}
 	}
 
-	ENTER;
+	LEAVE;
 	return IPR_RC_JOB_CONTINUE;
 }
 
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 4c267b5e0b9..4e7f81494ea 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -244,6 +244,7 @@
 #define IPR_RUNTIME_RESET				0x40000000
 
 #define IPR_IPL_INIT_MIN_STAGE_TIME			5
+#define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 15
 #define IPR_IPL_INIT_STAGE_UNKNOWN			0x0
 #define IPR_IPL_INIT_STAGE_TRANSOP			0xB0000000
 #define IPR_IPL_INIT_STAGE_MASK				0xff000000
@@ -804,7 +805,7 @@ struct ipr_hostrcb_array_data_entry_enhanced {
 }__attribute__((packed, aligned (4)));
 
 struct ipr_hostrcb_type_ff_error {
-	__be32 ioa_data[502];
+	__be32 ioa_data[758];
 }__attribute__((packed, aligned (4)));
 
 struct ipr_hostrcb_type_01_error {

From 96d21f00ab59c9f27fad191d12a2ccfeff3c9108 Mon Sep 17 00:00:00 2001
From: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Date: Mon, 10 May 2010 09:13:27 -0700
Subject: [PATCH 2868/3638] [SCSI] ipr: include the resource path in the IOA
 status area structure

The IOA status area now includes the new resource path field for 64 bit
adapters.  This patch changes the driver to fix the ioasa structure and to use
the correct structure definition based on the type of adatper.

Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/ipr.c | 131 +++++++++++++++++++++++++--------------------
 drivers/scsi/ipr.h |  26 ++++++++-
 2 files changed, 98 insertions(+), 59 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 735402f61ab..8c2f4c4041c 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -567,7 +567,8 @@ static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd,
 static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-	struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
+	struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
+	struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64;
 	dma_addr_t dma_addr = ipr_cmd->dma_addr;
 
 	memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
@@ -576,19 +577,19 @@ static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
 	ioarcb->ioadl_len = 0;
 	ioarcb->read_ioadl_len = 0;
 
-	if (ipr_cmd->ioa_cfg->sis64)
+	if (ipr_cmd->ioa_cfg->sis64) {
 		ioarcb->u.sis64_addr_data.data_ioadl_addr =
 			cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
-	else {
+		ioasa64->u.gata.status = 0;
+	} else {
 		ioarcb->write_ioadl_addr =
 			cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
 		ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
+		ioasa->u.gata.status = 0;
 	}
 
-	ioasa->ioasc = 0;
-	ioasa->residual_data_len = 0;
-	ioasa->u.gata.status = 0;
-
+	ioasa->hdr.ioasc = 0;
+	ioasa->hdr.residual_data_len = 0;
 	ipr_cmd->scsi_cmd = NULL;
 	ipr_cmd->qc = NULL;
 	ipr_cmd->sense_buffer[0] = 0;
@@ -768,8 +769,8 @@ static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg)
 	list_for_each_entry_safe(ipr_cmd, temp, &ioa_cfg->pending_q, queue) {
 		list_del(&ipr_cmd->queue);
 
-		ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_IOA_WAS_RESET);
-		ipr_cmd->ioasa.ilid = cpu_to_be32(IPR_DRIVER_ILID);
+		ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_IOA_WAS_RESET);
+		ipr_cmd->s.ioasa.hdr.ilid = cpu_to_be32(IPR_DRIVER_ILID);
 
 		if (ipr_cmd->scsi_cmd)
 			ipr_cmd->done = ipr_scsi_eh_done;
@@ -1319,7 +1320,7 @@ static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 	list_del(&hostrcb->queue);
 	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
@@ -2354,7 +2355,7 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 	u32 fd_ioasc;
 
 	if (ioa_cfg->sis64)
@@ -4509,11 +4510,16 @@ static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg,
 	}
 
 	ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT);
-	ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
-	if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET)
-		memcpy(&res->sata_port->ioasa, &ipr_cmd->ioasa.u.gata,
-		       sizeof(struct ipr_ioasa_gata));
+	if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) {
+		if (ipr_cmd->ioa_cfg->sis64)
+			memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata,
+			       sizeof(struct ipr_ioasa_gata));
+		else
+			memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata,
+			       sizeof(struct ipr_ioasa_gata));
+	}
 
 	LEAVE;
 	return (IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0);
@@ -4768,7 +4774,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd)
 	scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n",
 		    scsi_cmd->cmnd[0]);
 	ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT);
-	ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 	/*
 	 * If the abort task timed out and we sent a bus reset, we will get
@@ -4940,7 +4946,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 
 			ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index];
 
-			ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+			ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 			ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc);
 
@@ -5137,7 +5143,7 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
 	struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
 	struct ipr_resource_entry *res = scsi_cmd->device->hostdata;
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 	if (IPR_IOASC_SENSE_KEY(ioasc) > 0) {
 		scsi_cmd->result |= (DID_ERROR << 16);
@@ -5168,7 +5174,7 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
 static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-	struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
+	struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
 	dma_addr_t dma_addr = ipr_cmd->dma_addr;
 
 	memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
@@ -5176,8 +5182,8 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
 	ioarcb->read_data_transfer_length = 0;
 	ioarcb->ioadl_len = 0;
 	ioarcb->read_ioadl_len = 0;
-	ioasa->ioasc = 0;
-	ioasa->residual_data_len = 0;
+	ioasa->hdr.ioasc = 0;
+	ioasa->hdr.residual_data_len = 0;
 
 	if (ipr_cmd->ioa_cfg->sis64)
 		ioarcb->u.sis64_addr_data.data_ioadl_addr =
@@ -5202,7 +5208,7 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
 static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 	if (IPR_IOASC_SENSE_KEY(ioasc) > 0) {
 		ipr_erp_done(ipr_cmd);
@@ -5279,12 +5285,12 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
 	int i;
 	u16 data_len;
 	u32 ioasc, fd_ioasc;
-	struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
+	struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
 	__be32 *ioasa_data = (__be32 *)ioasa;
 	int error_index;
 
-	ioasc = be32_to_cpu(ioasa->ioasc) & IPR_IOASC_IOASC_MASK;
-	fd_ioasc = be32_to_cpu(ioasa->fd_ioasc) & IPR_IOASC_IOASC_MASK;
+	ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK;
+	fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK;
 
 	if (0 == ioasc)
 		return;
@@ -5299,7 +5305,7 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
 
 	if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) {
 		/* Don't log an error if the IOA already logged one */
-		if (ioasa->ilid != 0)
+		if (ioasa->hdr.ilid != 0)
 			return;
 
 		if (!ipr_is_gscsi(res))
@@ -5311,10 +5317,11 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
 
 	ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error);
 
-	if (sizeof(struct ipr_ioasa) < be16_to_cpu(ioasa->ret_stat_len))
+	data_len = be16_to_cpu(ioasa->hdr.ret_stat_len);
+	if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len)
+		data_len = sizeof(struct ipr_ioasa64);
+	else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len)
 		data_len = sizeof(struct ipr_ioasa);
-	else
-		data_len = be16_to_cpu(ioasa->ret_stat_len);
 
 	ipr_err("IOASA Dump:\n");
 
@@ -5340,8 +5347,8 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
 	u32 failing_lba;
 	u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer;
 	struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata;
-	struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
-	u32 ioasc = be32_to_cpu(ioasa->ioasc);
+	struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
+	u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc);
 
 	memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE);
 
@@ -5384,7 +5391,7 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
 
 		/* Illegal request */
 		if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) &&
-		    (be32_to_cpu(ioasa->ioasc_specific) & IPR_FIELD_POINTER_VALID)) {
+		    (be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) {
 			sense_buf[7] = 10;	/* additional length */
 
 			/* IOARCB was in error */
@@ -5395,10 +5402,10 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
 
 			sense_buf[16] =
 			    ((IPR_FIELD_POINTER_MASK &
-			      be32_to_cpu(ioasa->ioasc_specific)) >> 8) & 0xff;
+			      be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff;
 			sense_buf[17] =
 			    (IPR_FIELD_POINTER_MASK &
-			     be32_to_cpu(ioasa->ioasc_specific)) & 0xff;
+			     be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff;
 		} else {
 			if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) {
 				if (ipr_is_vset_device(res))
@@ -5430,14 +5437,20 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
  **/
 static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd)
 {
-	struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
+	struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
+	struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64;
 
-	if ((be32_to_cpu(ioasa->ioasc_specific) & IPR_AUTOSENSE_VALID) == 0)
+	if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0)
 		return 0;
 
-	memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data,
-	       min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len),
-		   SCSI_SENSE_BUFFERSIZE));
+	if (ipr_cmd->ioa_cfg->sis64)
+		memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data,
+		       min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len),
+			   SCSI_SENSE_BUFFERSIZE));
+	else
+		memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data,
+		       min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len),
+			   SCSI_SENSE_BUFFERSIZE));
 	return 1;
 }
 
@@ -5457,7 +5470,7 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg,
 {
 	struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
 	struct ipr_resource_entry *res = scsi_cmd->device->hostdata;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 	u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK;
 
 	if (!res) {
@@ -5549,9 +5562,9 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
-	scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->ioasa.residual_data_len));
+	scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len));
 
 	if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) {
 		scsi_dma_unmap(ipr_cmd->scsi_cmd);
@@ -5841,19 +5854,23 @@ static void ipr_sata_done(struct ipr_cmnd *ipr_cmd)
 	struct ata_queued_cmd *qc = ipr_cmd->qc;
 	struct ipr_sata_port *sata_port = qc->ap->private_data;
 	struct ipr_resource_entry *res = sata_port->res;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
-	memcpy(&sata_port->ioasa, &ipr_cmd->ioasa.u.gata,
-	       sizeof(struct ipr_ioasa_gata));
+	if (ipr_cmd->ioa_cfg->sis64)
+		memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata,
+		       sizeof(struct ipr_ioasa_gata));
+	else
+		memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata,
+		       sizeof(struct ipr_ioasa_gata));
 	ipr_dump_ioasa(ioa_cfg, ipr_cmd, res);
 
-	if (be32_to_cpu(ipr_cmd->ioasa.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET)
+	if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET)
 		scsi_report_device_reset(ioa_cfg->host, res->bus, res->target);
 
 	if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR)
-		qc->err_mask |= __ac_err_mask(ipr_cmd->ioasa.u.gata.status);
+		qc->err_mask |= __ac_err_mask(sata_port->ioasa.status);
 	else
-		qc->err_mask |= ac_err_mask(ipr_cmd->ioasa.u.gata.status);
+		qc->err_mask |= ac_err_mask(sata_port->ioasa.status);
 	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
 	ata_qc_complete(qc);
 }
@@ -6522,7 +6539,7 @@ static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd,
 static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 	dev_err(&ioa_cfg->pdev->dev,
 		"0x%02X failed with IOASC: 0x%08X\n",
@@ -6546,7 +6563,7 @@ static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd)
 static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 	if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) {
 		ipr_cmd->job_step = ipr_set_supported_devs;
@@ -6636,7 +6653,7 @@ static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd)
  **/
 static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd)
 {
-	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+	u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 	if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) {
 		ipr_cmd->job_step = ipr_ioafp_mode_sense_page28;
@@ -7337,12 +7354,12 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
 	rc = pci_restore_state(ioa_cfg->pdev);
 
 	if (rc != PCIBIOS_SUCCESSFUL) {
-		ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
+		ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
 		return IPR_RC_JOB_CONTINUE;
 	}
 
 	if (ipr_set_pcix_cmd_reg(ioa_cfg)) {
-		ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
+		ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
 		return IPR_RC_JOB_CONTINUE;
 	}
 
@@ -7411,7 +7428,7 @@ static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd)
 
 	if (rc != PCIBIOS_SUCCESSFUL) {
 		pci_unblock_user_cfg_access(ipr_cmd->ioa_cfg->pdev);
-		ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
+		ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
 		rc = IPR_RC_JOB_CONTINUE;
 	} else {
 		ipr_cmd->job_step = ipr_reset_bist_done;
@@ -7670,7 +7687,7 @@ static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd)
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 
 	do {
-		ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+		ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
 		if (ioa_cfg->reset_cmd != ipr_cmd) {
 			/*
@@ -8053,13 +8070,13 @@ static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg)
 			ioarcb->u.sis64_addr_data.data_ioadl_addr =
 				cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
 			ioarcb->u.sis64_addr_data.ioasa_host_pci_addr =
-				cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, ioasa));
+				cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64));
 		} else {
 			ioarcb->write_ioadl_addr =
 				cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
 			ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
 			ioarcb->ioasa_host_pci_addr =
-				cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioasa));
+				cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa));
 		}
 		ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa));
 		ipr_cmd->cmd_index = i;
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 4e7f81494ea..f8a17d88db8 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -614,7 +614,7 @@ struct ipr_auto_sense {
 	__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
 };
 
-struct ipr_ioasa {
+struct ipr_ioasa_hdr {
 	__be32 ioasc;
 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
@@ -646,6 +646,25 @@ struct ipr_ioasa {
 #define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)
 #define IPR_FIELD_POINTER_MASK		0x0000ffff
 
+}__attribute__((packed, aligned (4)));
+
+struct ipr_ioasa {
+	struct ipr_ioasa_hdr hdr;
+
+	union {
+		struct ipr_ioasa_vset vset;
+		struct ipr_ioasa_af_dasd dasd;
+		struct ipr_ioasa_gpdd gpdd;
+		struct ipr_ioasa_gata gata;
+	} u;
+
+	struct ipr_auto_sense auto_sense;
+}__attribute__((packed, aligned (4)));
+
+struct ipr_ioasa64 {
+	struct ipr_ioasa_hdr hdr;
+	u8 fd_res_path[8];
+
 	union {
 		struct ipr_ioasa_vset vset;
 		struct ipr_ioasa_af_dasd dasd;
@@ -1465,7 +1484,10 @@ struct ipr_cmnd {
 		struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
 		struct ipr_ata64_ioadl ata_ioadl;
 	} i;
-	struct ipr_ioasa ioasa;
+	union {
+		struct ipr_ioasa ioasa;
+		struct ipr_ioasa64 ioasa64;
+	} s;
 	struct list_head queue;
 	struct scsi_cmnd *scsi_cmd;
 	struct ata_queued_cmd *qc;

From 7be96900a2a662c67403559acd250f011b1d70db Mon Sep 17 00:00:00 2001
From: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Date: Mon, 10 May 2010 09:14:07 -0700
Subject: [PATCH 2869/3638] [SCSI] ipr: fix a register read to use the correct
 address for 64 bit adapters

Fix ipr_reset_enable_ioa() to read the correct IOA to host interrupt register
address for 64 bit adapters.  We need to read the lower 32 bits, not the upper
32 bits.

Also change the write of the 64 bit mask value to a single writeq instead
of two writel calls.

Finally, use the correct u8 type for the type field in the ipr_resource_entry
structure.

Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/ipr.c | 12 ++++++++----
 drivers/scsi/ipr.h |  2 +-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 8c2f4c4041c..2f280d08fcc 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -7187,13 +7187,14 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	volatile u32 int_reg;
+	volatile u64 maskval;
 
 	ENTER;
 	ipr_cmd->job_step = ipr_ioafp_identify_hrrq;
 	ipr_init_ioa_mem(ioa_cfg);
 
 	ioa_cfg->allow_interrupts = 1;
-	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
+	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32);
 
 	if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) {
 		writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED),
@@ -7205,9 +7206,12 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 	/* Enable destructive diagnostics on IOA */
 	writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32);
 
-	writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32);
-	if (ioa_cfg->sis64)
-		writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_mask_reg);
+	if (ioa_cfg->sis64) {
+		maskval = IPR_PCII_IPL_STAGE_CHANGE;
+		maskval = (maskval << 32) | IPR_PCII_OPER_INTERRUPTS;
+		writeq(maskval, ioa_cfg->regs.clr_interrupt_mask_reg);
+	} else
+		writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32);
 
 	int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
 
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index f8a17d88db8..9ecd2259eb3 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1201,7 +1201,7 @@ struct ipr_resource_entry {
 	u8 flags;
 	__be16 res_flags;
 
-	__be32 type;
+	u8 type;
 
 	u8 qmodel;
 	struct ipr_std_inq_data std_inq_data;

From b8803b1cef28af785c4e903b9b1449898d68c758 Mon Sep 17 00:00:00 2001
From: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Date: Fri, 14 May 2010 08:55:13 -0700
Subject: [PATCH 2870/3638] [SCSI] ipr: set the data list length in the request
 control block

In bring up testing for the new 64 bit adapters, the first read command failed
after loading the driver.  The cause was that the command requires more than
one scatter gather element and the corresponding code to set the data list
length in the request control block was missing.  This patch adds the correct
assignment.

Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/ipr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 2f280d08fcc..5244282cd97 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5021,6 +5021,8 @@ static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg,
 	ipr_cmd->dma_use_sg = nseg;
 
 	ioarcb->data_transfer_length = cpu_to_be32(length);
+	ioarcb->ioadl_len =
+		cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg);
 
 	if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) {
 		ioadl_flags = IPR_IOADL_FLAGS_WRITE;

From 64ffdb762241c0a9c0c8fac7ea92aa0ba1529334 Mon Sep 17 00:00:00 2001
From: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Date: Wed, 19 May 2010 11:56:13 -0700
Subject: [PATCH 2871/3638] [SCSI] ipr: improve interrupt service routine
 performance

During performance testing on P7 machines it was observed that the interrupt
service routine was doing unnecessary MMIO operations.

This patch rearranges the logic of the routine and moves some of the code out
of the main routine.  The result is that there are now fewer MMIO operations in
the performance path of the code.

Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/ipr.c | 63 ++++++++++++++++++++++------------------------
 1 file changed, 30 insertions(+), 33 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 5244282cd97..82ea4a8226b 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4818,15 +4818,39 @@ static int ipr_eh_abort(struct scsi_cmnd * scsi_cmd)
 /**
  * ipr_handle_other_interrupt - Handle "other" interrupts
  * @ioa_cfg:	ioa config struct
- * @int_reg:	interrupt register
  *
  * Return value:
  * 	IRQ_NONE / IRQ_HANDLED
  **/
-static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg,
-					      volatile u32 int_reg)
+static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg)
 {
 	irqreturn_t rc = IRQ_HANDLED;
+	volatile u32 int_reg, int_mask_reg;
+
+	int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32);
+	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32) & ~int_mask_reg;
+
+	/* If an interrupt on the adapter did not occur, ignore it.
+	 * Or in the case of SIS 64, check for a stage change interrupt.
+	 */
+	if ((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0) {
+		if (ioa_cfg->sis64) {
+			int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
+			int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
+			if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) {
+
+				/* clear stage change */
+				writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg);
+				int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
+				list_del(&ioa_cfg->reset_cmd->queue);
+				del_timer(&ioa_cfg->reset_cmd->timer);
+				ipr_reset_ioa_job(ioa_cfg->reset_cmd);
+				return IRQ_HANDLED;
+			}
+		}
+
+		return IRQ_NONE;
+	}
 
 	if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) {
 		/* Mask the interrupt */
@@ -4887,7 +4911,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 {
 	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp;
 	unsigned long lock_flags = 0;
-	volatile u32 int_reg, int_mask_reg;
+	volatile u32 int_reg;
 	u32 ioasc;
 	u16 cmd_index;
 	int num_hrrq = 0;
@@ -4902,33 +4926,6 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 		return IRQ_NONE;
 	}
 
-	int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32);
-	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32) & ~int_mask_reg;
-
-	/* If an interrupt on the adapter did not occur, ignore it.
-	 * Or in the case of SIS 64, check for a stage change interrupt.
-	 */
-	if (unlikely((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0)) {
-		if (ioa_cfg->sis64) {
-			int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
-			int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
-			if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) {
-
-				/* clear stage change */
-				writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg);
-				int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
-				list_del(&ioa_cfg->reset_cmd->queue);
-				del_timer(&ioa_cfg->reset_cmd->timer);
-				ipr_reset_ioa_job(ioa_cfg->reset_cmd);
-				spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
-				return IRQ_HANDLED;
-			}
-		}
-
-		spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
-		return IRQ_NONE;
-	}
-
 	while (1) {
 		ipr_cmd = NULL;
 
@@ -4968,7 +4965,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 			/* Clear the PCI interrupt */
 			do {
 				writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32);
-				int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32) & ~int_mask_reg;
+				int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32);
 			} while (int_reg & IPR_PCII_HRRQ_UPDATED &&
 					num_hrrq++ < IPR_MAX_HRRQ_RETRIES);
 
@@ -4983,7 +4980,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 	}
 
 	if (unlikely(rc == IRQ_NONE))
-		rc = ipr_handle_other_interrupt(ioa_cfg, int_reg);
+		rc = ipr_handle_other_interrupt(ioa_cfg);
 
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 	return rc;

From c2fd1a4ebf9127c280d227acb635eb1df213439c Mon Sep 17 00:00:00 2001
From: Cory Maccarrone <darkstar6262@gmail.com>
Date: Sat, 22 May 2010 13:00:28 -0700
Subject: [PATCH 2872/3638] HID: Add the GYR4101US USB ID to hid-gyration

This change adds in the USB product ID for the Gyration
GYR4101US USB media center remote control.  This remote
is similar enough to the other two devices that this driver
can be used without any other changes to get full support
for the remote.

Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c     | 1 +
 drivers/hid/hid-gyration.c | 1 +
 drivers/hid/hid-ids.h      | 1 +
 3 files changed, 3 insertions(+)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index e10e314d38c..aa0f7dcabcd 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1301,6 +1301,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c
index 62416e6baec..3975e039c3d 100644
--- a/drivers/hid/hid-gyration.c
+++ b/drivers/hid/hid-gyration.c
@@ -73,6 +73,7 @@ static int gyration_event(struct hid_device *hdev, struct hid_field *field,
 static const struct hid_device_id gyration_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, gyration_devices);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9776896cc4f..6af77ed0b55 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -282,6 +282,7 @@
 #define USB_VENDOR_ID_GYRATION		0x0c16
 #define USB_DEVICE_ID_GYRATION_REMOTE	0x0002
 #define USB_DEVICE_ID_GYRATION_REMOTE_2 0x0003
+#define USB_DEVICE_ID_GYRATION_REMOTE_3 0x0008
 
 #define USB_VENDOR_ID_HAPP		0x078b
 #define USB_DEVICE_ID_UGCI_DRIVING	0x0010

From 73367bd8eef4f4eb311005886aaa916013073265 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Fri, 21 May 2010 14:41:35 -0700
Subject: [PATCH 2873/3638] slub: move kmem_cache_node into it's own cacheline

This patch is meant to improve the performance of SLUB by moving the local
kmem_cache_node lock into it's own cacheline separate from kmem_cache.
This is accomplished by simply removing the local_node when NUMA is enabled.

On my system with 2 nodes I saw around a 5% performance increase w/
hackbench times dropping from 6.2 seconds to 5.9 seconds on average.  I
suspect the performance gain would increase as the number of nodes
increases, but I do not have the data to currently back that up.

Bugzilla-Reference: http://bugzilla.kernel.org/show_bug.cgi?id=15713
Cc: <stable@kernel.org>
Reported-by: Alex Shi <alex.shi@intel.com>
Tested-by: Alex Shi <alex.shi@intel.com>
Acked-by: Yanmin Zhang <yanmin_zhang@linux.intel.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 include/linux/slub_def.h |  9 +++------
 mm/slub.c                | 35 ++++++++++++-----------------------
 2 files changed, 15 insertions(+), 29 deletions(-)

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 55695c8d2f8..6ac37664e8f 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -75,12 +75,6 @@ struct kmem_cache {
 	int offset;		/* Free pointer offset. */
 	struct kmem_cache_order_objects oo;
 
-	/*
-	 * Avoid an extra cache line for UP, SMP and for the node local to
-	 * struct kmem_cache.
-	 */
-	struct kmem_cache_node local_node;
-
 	/* Allocation and freeing of slabs */
 	struct kmem_cache_order_objects max;
 	struct kmem_cache_order_objects min;
@@ -102,6 +96,9 @@ struct kmem_cache {
 	 */
 	int remote_node_defrag_ratio;
 	struct kmem_cache_node *node[MAX_NUMNODES];
+#else
+	/* Avoid an extra cache line for UP */
+	struct kmem_cache_node local_node;
 #endif
 };
 
diff --git a/mm/slub.c b/mm/slub.c
index e46e3129697..c2d6e6951f3 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2133,7 +2133,7 @@ static void free_kmem_cache_nodes(struct kmem_cache *s)
 
 	for_each_node_state(node, N_NORMAL_MEMORY) {
 		struct kmem_cache_node *n = s->node[node];
-		if (n && n != &s->local_node)
+		if (n)
 			kmem_cache_free(kmalloc_caches, n);
 		s->node[node] = NULL;
 	}
@@ -2142,33 +2142,22 @@ static void free_kmem_cache_nodes(struct kmem_cache *s)
 static int init_kmem_cache_nodes(struct kmem_cache *s, gfp_t gfpflags)
 {
 	int node;
-	int local_node;
-
-	if (slab_state >= UP && (s < kmalloc_caches ||
-			s >= kmalloc_caches + KMALLOC_CACHES))
-		local_node = page_to_nid(virt_to_page(s));
-	else
-		local_node = 0;
 
 	for_each_node_state(node, N_NORMAL_MEMORY) {
 		struct kmem_cache_node *n;
 
-		if (local_node == node)
-			n = &s->local_node;
-		else {
-			if (slab_state == DOWN) {
-				early_kmem_cache_node_alloc(gfpflags, node);
-				continue;
-			}
-			n = kmem_cache_alloc_node(kmalloc_caches,
-							gfpflags, node);
-
-			if (!n) {
-				free_kmem_cache_nodes(s);
-				return 0;
-			}
-
+		if (slab_state == DOWN) {
+			early_kmem_cache_node_alloc(gfpflags, node);
+			continue;
 		}
+		n = kmem_cache_alloc_node(kmalloc_caches,
+						gfpflags, node);
+
+		if (!n) {
+			free_kmem_cache_nodes(s);
+			return 0;
+		}
+
 		s->node[node] = n;
 		init_kmem_cache_node(n, s);
 	}

From 3ff987801d0ab35794cc8a8142c14c2392a9a404 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Thu, 20 May 2010 07:11:58 +0800
Subject: [PATCH 2874/3638] ARM: SPEAR6xx: remove duplicated #include

Remove duplicated #include('s) in
  arch/arm/mach-spear6xx/spear6xx.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-spear6xx/spear6xx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c
index b67e571d4bf..baf6bcc3169 100644
--- a/arch/arm/mach-spear6xx/spear6xx.c
+++ b/arch/arm/mach-spear6xx/spear6xx.c
@@ -13,7 +13,6 @@
 
 #include <linux/types.h>
 #include <linux/amba/pl061.h>
-#include <linux/types.h>
 #include <linux/ptrace.h>
 #include <linux/io.h>
 #include <asm/hardware/vic.h>

From c145211d1f9e2ef19e7b4c2b943f68366daa97af Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:55:42 +0200
Subject: [PATCH 2875/3638] ARM: arch/arm/boot/bootp/bootp.lds: Checkpatch
 cleanup

arch/arm/boot/bootp/bootp.lds:22: ERROR: trailing whitespace

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/boot/bootp/bootp.lds | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/bootp/bootp.lds b/arch/arm/boot/bootp/bootp.lds
index 8e3d81ce695..fc54394f434 100644
--- a/arch/arm/boot/bootp/bootp.lds
+++ b/arch/arm/boot/bootp/bootp.lds
@@ -19,7 +19,7 @@ SECTIONS
    initrd_size = initrd_end - initrd_start;
    _etext = .;
   }
-  
+
   .stab 0 : { *(.stab) }
   .stabstr 0 : { *(.stabstr) }
   .stab.excl 0 : { *(.stab.excl) }

From a04dd9fd97e2179700c0f3391523ee8909d53b72 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:55:43 +0200
Subject: [PATCH 2876/3638] ARM: arch/arm/mach-clps711x/Makefile.boot:
 Checkpatch cleanup

arch/arm/mach-clps711x/Makefile.boot:2: ERROR: trailing whitespace

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-clps711x/Makefile.boot | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/mach-clps711x/Makefile.boot b/arch/arm/mach-clps711x/Makefile.boot
index d3d29339e14..a51fcef64fe 100644
--- a/arch/arm/mach-clps711x/Makefile.boot
+++ b/arch/arm/mach-clps711x/Makefile.boot
@@ -1,7 +1,6 @@
 # The standard locations for stuff on CLPS711x type processors
-   zreladdr-y				:= 0xc0028000 
+   zreladdr-y				:= 0xc0028000
 params_phys-y				:= 0xc0000100
 # Should probably have some agreement on these...
 initrd_phys-$(CONFIG_ARCH_P720T)	:= 0xc0400000
 initrd_phys-$(CONFIG_ARCH_CDB89712)	:= 0x00700000
-

From 49b95e282608f2683ea5be46a581e819bce20f5f Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:55:44 +0200
Subject: [PATCH 2877/3638] ARM: arch/arm/mach-footbridge/ebsa285-pci.c:
 Checkpatch cleanup

arch/arm/mach-footbridge/ebsa285-pci.c:22: ERROR: switch and case should be at the same indent

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-footbridge/ebsa285-pci.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-footbridge/ebsa285-pci.c b/arch/arm/mach-footbridge/ebsa285-pci.c
index 720c0bac170..e5ab5bddbc8 100644
--- a/arch/arm/mach-footbridge/ebsa285-pci.c
+++ b/arch/arm/mach-footbridge/ebsa285-pci.c
@@ -20,9 +20,9 @@ static int __init ebsa285_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 	if (dev->vendor == PCI_VENDOR_ID_CONTAQ &&
 	    dev->device == PCI_DEVICE_ID_CONTAQ_82C693)
 		switch (PCI_FUNC(dev->devfn)) {
-			case 1:	return 14;
-			case 2:	return 15;
-			case 3:	return 12;
+		case 1:	return 14;
+		case 2:	return 15;
+		case 3:	return 12;
 		}
 
 	return irqmap_ebsa285[(slot + pin) & 3];

From 9f1e0f25e2d5ad2e8ed096e75be756de8b1d4f93 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:55:45 +0200
Subject: [PATCH 2878/3638] ARM: arch/arm/mach-h720x/common.h: Checkpatch
 cleanup

arch/arm/mach-h720x/common.h:17: WARNING: space prohibited between function name and open parenthesis '('
arch/arm/mach-h720x/common.h:23: WARNING: space prohibited between function name and open parenthesis '('

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-h720x/common.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-h720x/common.h b/arch/arm/mach-h720x/common.h
index d8798dbc44f..7dd5fa604ef 100644
--- a/arch/arm/mach-h720x/common.h
+++ b/arch/arm/mach-h720x/common.h
@@ -14,13 +14,13 @@
  */
 
 extern unsigned long h720x_gettimeoffset(void);
-extern void __init h720x_init_irq (void);
+extern void __init h720x_init_irq(void);
 extern void __init h720x_map_io(void);
 
 #ifdef CONFIG_ARCH_H7202
 extern struct sys_timer h7202_timer;
 extern void __init init_hw_h7202(void);
-extern void __init h7202_init_irq (void);
+extern void __init h7202_init_irq(void);
 extern void __init h7202_init_time(void);
 #endif
 

From 9d0ff6d62462ecbe7a3188d97d8d08b87eaf0065 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:55:46 +0200
Subject: [PATCH 2879/3638] ARM: arch/arm/mach-sa1100/leds.c: Checkpatch
 cleanup

arch/arm/mach-sa1100/leds.c:21: ERROR: code indent should use tabs where possible
arch/arm/mach-sa1100/leds.c:21: WARNING: please, no space before tabs
arch/arm/mach-sa1100/leds.c:22: ERROR: code indent should use tabs where possible
arch/arm/mach-sa1100/leds.c:22: WARNING: please, no space before tabs
arch/arm/mach-sa1100/leds.c:24: ERROR: code indent should use tabs where possible
arch/arm/mach-sa1100/leds.c:24: WARNING: please, no space before tabs

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-sa1100/leds.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-sa1100/leds.c b/arch/arm/mach-sa1100/leds.c
index 4cf7c565aae..bbfe197fb4d 100644
--- a/arch/arm/mach-sa1100/leds.c
+++ b/arch/arm/mach-sa1100/leds.c
@@ -2,7 +2,7 @@
  * linux/arch/arm/mach-sa1100/leds.c
  *
  * SA1100 LEDs dispatcher
- * 
+ *
  * Copyright (C) 2001 Nicolas Pitre
  */
 #include <linux/compiler.h>
@@ -18,10 +18,10 @@ sa1100_leds_init(void)
 {
 	if (machine_is_assabet())
 		leds_event = assabet_leds_event;
- 	if (machine_is_consus())
- 	        leds_event = consus_leds_event;
+	if (machine_is_consus())
+		leds_event = consus_leds_event;
 	if (machine_is_badge4())
-	  	leds_event = badge4_leds_event;
+		leds_event = badge4_leds_event;
 	if (machine_is_brutus())
 		leds_event = brutus_leds_event;
 	if (machine_is_cerf())

From 9ffdfb47d7c13130db111a59a9885547333322e7 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:55:48 +0200
Subject: [PATCH 2880/3638] ARM: arch/arm/nwfpe/ChangeLog: Checkpatch cleanup

arch/arm/nwfpe/ChangeLog:75: ERROR: trailing whitespace

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/nwfpe/ChangeLog | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/nwfpe/ChangeLog b/arch/arm/nwfpe/ChangeLog
index eeb5a7c5ff0..fa8028b1e1c 100644
--- a/arch/arm/nwfpe/ChangeLog
+++ b/arch/arm/nwfpe/ChangeLog
@@ -72,7 +72,7 @@
 1998-11-23  Scott Bambrough  <scottb@netwinder.org>
 
 	* README.FPE - fix typo in description of lfm/sfm instructions
-	* NOTES - Added file to describe known bugs/problems 
+	* NOTES - Added file to describe known bugs/problems
 	* fpmodule.c - Changed version number to 0.94
 
 1998-11-20  Scott Bambrough  <scottb@netwinder.org>

From ff4659c1a7b207391a132bc3d11d007160a45147 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:55:47 +0200
Subject: [PATCH 2881/3638] ARM: arch/arm/mach-shark/pci.c: Checkpatch cleanup

arch/arm/mach-shark/pci.c:19: ERROR: trailing statements should be on next line
arch/arm/mach-shark/pci.c:20: ERROR: trailing statements should be on next line
arch/arm/mach-shark/pci.c:21: ERROR: trailing statements should be on next line
arch/arm/mach-shark/pci.c:24: WARNING: externs should be avoided in .c files
arch/arm/mach-shark/pci.c:28: WARNING: please, no space before tabs

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-shark/pci.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-shark/pci.c b/arch/arm/mach-shark/pci.c
index 37a7112d411..89d175ce74d 100644
--- a/arch/arm/mach-shark/pci.c
+++ b/arch/arm/mach-shark/pci.c
@@ -16,16 +16,19 @@
 static int __init shark_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
 	if (dev->bus->number == 0)
-		if (dev->devfn == 0) return 255;
-		else return 11;
-	else return 255;
+		if (dev->devfn == 0)
+			return 255;
+		else
+			return 11;
+	else
+		return 255;
 }
 
 extern void __init via82c505_preinit(void);
 
 static struct hw_pci shark_pci __initdata = {
 	.setup		= via82c505_setup,
-	.swizzle     	= pci_std_swizzle,
+	.swizzle	= pci_std_swizzle,
 	.map_irq	= shark_map_irq,
 	.nr_controllers = 1,
 	.scan		= via82c505_scan_bus,

From 7b2e6a162447e217b0abe0710409c517d2b7c0b3 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:55:49 +0200
Subject: [PATCH 2882/3638] ARM: arch/arm/nwfpe/fpsr.h: Checkpatch cleanup

arch/arm/nwfpe/fpsr.h:33: ERROR: trailing whitespace

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/nwfpe/fpsr.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/nwfpe/fpsr.h b/arch/arm/nwfpe/fpsr.h
index 859b300d89f..bd425dc13b6 100644
--- a/arch/arm/nwfpe/fpsr.h
+++ b/arch/arm/nwfpe/fpsr.h
@@ -30,7 +30,7 @@ one byte.
 	EXCEPTION TRAP ENABLE BYTE
 	SYSTEM CONTROL BYTE
 	CUMULATIVE EXCEPTION FLAGS BYTE
-	
+
 The FPCR is a 32 bit register consisting of bit flags.
 */
 

From becba8a3589fdbc364b6dc09e90f54e4d459d4cd Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 22:09:58 +0200
Subject: [PATCH 2883/3638] ARM: mach-at91: duplicated include

arch/arm/mach-at91/board-sam9m10g45ek.c: mach/hardware.h is included more than once

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-at91/board-sam9m10g45ek.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index 98f9f4bc939..ee800595594 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -25,7 +25,6 @@
 #include <linux/leds.h>
 #include <linux/clk.h>
 
-#include <mach/hardware.h>
 #include <video/atmel_lcdc.h>
 
 #include <asm/setup.h>

From 830703c766ed49bc740321df55a11d19154f95d5 Mon Sep 17 00:00:00 2001
From: Alexander Shishkin <virtuoso@slind.org>
Date: Fri, 21 May 2010 12:32:07 +0100
Subject: [PATCH 2884/3638] ARM: 6140/1: silence a bogus sparse warning in
 unwind.c

The check for compiler which is supposed to miscompile unwind tables
clearly has nothing to do with sparse (which does not define necessary
macros anyway), so simply silence it.

Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/unwind.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 50292cd9c12..dd81a918c10 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -26,6 +26,7 @@
  * http://infocenter.arm.com/help/topic/com.arm.doc.subset.swdev.abi/index.html
  */
 
+#ifndef __CHECKER__
 #if !defined (__ARM_EABI__)
 #warning Your compiler does not have EABI support.
 #warning    ARM unwind is known to compile only with EABI compilers.
@@ -34,6 +35,7 @@
 #warning Your compiler is too buggy; it is known to not compile ARM unwind support.
 #warning    Change compiler or disable ARM_UNWIND option.
 #endif
+#endif /* __CHECKER__ */
 
 #include <linux/kernel.h>
 #include <linux/init.h>

From 92d2040d78f662f634efce7a5106bbed70b8708b Mon Sep 17 00:00:00 2001
From: Alexander Holler <holler@ahsoftware.de>
Date: Tue, 16 Feb 2010 19:04:53 +0100
Subject: [PATCH 2885/3638] ARM: 5939/1: ARM: Add option CMDLINE_FORCE to force
 usage of the in-kernel cmdline

Add an option to force usage of the in-kernel cmdline even if the boot
loader passes another command string to the kernel.

Useful if someone cannot or don't want to change the
command-line options of the boot loader but is able to change
the kernel.

Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/Kconfig        | 11 +++++++++++
 arch/arm/kernel/setup.c |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2d70cece2ea..8555bd7d784 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1419,6 +1419,17 @@ config CMDLINE
 	  time by entering them here. As a minimum, you should specify the
 	  memory size and the root device (e.g., mem=64M root=/dev/nfs).
 
+config CMDLINE_FORCE
+	bool "Always use the default kernel command string"
+	depends on CMDLINE != ""
+	help
+	  Always use the default kernel command string, even if the boot
+	  loader passes other arguments to the kernel.
+	  This is useful if you cannot or don't want to change the
+	  command-line options your boot loader passes to the kernel.
+
+	  If unsure, say N.
+
 config XIP_KERNEL
 	bool "Kernel Execute-In-Place from ROM"
 	depends on !ZBOOT_ROM
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index c91c77b54de..122d999bdc7 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -593,6 +593,7 @@ static int __init parse_tag_revision(const struct tag *tag)
 
 __tagtable(ATAG_REVISION, parse_tag_revision);
 
+#ifndef CONFIG_CMDLINE_FORCE
 static int __init parse_tag_cmdline(const struct tag *tag)
 {
 	strlcpy(default_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE);
@@ -600,6 +601,7 @@ static int __init parse_tag_cmdline(const struct tag *tag)
 }
 
 __tagtable(ATAG_CMDLINE, parse_tag_cmdline);
+#endif /* CONFIG_CMDLINE_FORCE */
 
 /*
  * Scan the tag table for this tag, and call its parse function.

From 8c3ba8d049247dc06b6dcee1711a11b26647aa44 Mon Sep 17 00:00:00 2001
From: Kerstin Jonsson <kerstin.jonsson@ericsson.com>
Date: Mon, 24 May 2010 12:13:15 -0700
Subject: [PATCH 2886/3638] x86, apic: ack all pending irqs when crashed/on
 kexec

When the SMP kernel decides to crash_kexec() the local APICs may have
pending interrupts in their vector tables.

The setup routine for the local APIC has a deficient mechanism for
clearing these interrupts, it only handles interrupts that has already
been dispatched to the local core for servicing (the ISR register) safely,
it doesn't consider lower prioritized queued interrupts stored in the IRR
register.

If you have more than one pending interrupt within the same 32 bit word in
the LAPIC vector table registers you may find yourself entering the IO
APIC setup with pending interrupts left in the LAPIC.  This is a situation
for wich the IO APIC setup is not prepared.  Depending of what/which
interrupt vector/vectors are stuck in the APIC tables your system may show
various degrees of malfunctioning.  That was the reason why the
check_timer() failed in our system, the timer interrupts was blocked by
pending interrupts from the old kernel when routed trough the IO APIC.

Additional comment from Jiri Bohac:
==============
If this should go into stable release,
I'd add some kind of limit on the number of iterations, just to be safe from
hard to debug lock-ups:

+if (loops++  > MAX_LOOPS) {
+        printk("LAPIC pending clean-up")
+        break;
+}
 while (queued);

with MAX_LOOPS something like 1E9 this would leave plenty of time for the
pending IRQs to be cleared and would and still cause at most a second of delay
if the loop were to lock-up for whatever reason.

[trenn@suse.de:

V2: Use tsc if avail to bail out after 1 sec due to possible virtual
    apic_read calls which may take rather long (suggested by: Avi Kivity
    <avi@redhat.com>) If no tsc is available bail out quickly after
    cpu_khz, if we broke out too early and still have irqs pending (which
    should never happen?) we still get a WARN_ON...

V3: - Fixed indentation -> checkpatch clean
    - max_loops must be signed

V4: - Fix typo, mixed up tsc and ntsc in first rdtscll() call

V5: Adjust WARN_ON() condition to also catch error in cpu_has_tsc case]

Cc: <jbohac@novell.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Kerstin Jonsson <kerstin.jonsson@ericsson.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Tested-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Thomas Renninger <trenn@suse.de>
LKML-Reference: <201005241913.o4OJDGWM010865@imap1.linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/kernel/apic/apic.c | 41 +++++++++++++++++++++++++++++--------
 1 file changed, 33 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index e5a4a1e0161..c02cc692985 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -51,6 +51,7 @@
 #include <asm/smp.h>
 #include <asm/mce.h>
 #include <asm/kvm_para.h>
+#include <asm/tsc.h>
 
 unsigned int num_processors;
 
@@ -1151,8 +1152,13 @@ static void __cpuinit lapic_setup_esr(void)
  */
 void __cpuinit setup_local_APIC(void)
 {
-	unsigned int value;
-	int i, j;
+	unsigned int value, queued;
+	int i, j, acked = 0;
+	unsigned long long tsc = 0, ntsc;
+	long long max_loops = cpu_khz;
+
+	if (cpu_has_tsc)
+		rdtscll(tsc);
 
 	if (disable_apic) {
 		arch_disable_smp_support();
@@ -1204,13 +1210,32 @@ void __cpuinit setup_local_APIC(void)
 	 * the interrupt. Hence a vector might get locked. It was noticed
 	 * for timer irq (vector 0x31). Issue an extra EOI to clear ISR.
 	 */
-	for (i = APIC_ISR_NR - 1; i >= 0; i--) {
-		value = apic_read(APIC_ISR + i*0x10);
-		for (j = 31; j >= 0; j--) {
-			if (value & (1<<j))
-				ack_APIC_irq();
+	do {
+		queued = 0;
+		for (i = APIC_ISR_NR - 1; i >= 0; i--)
+			queued |= apic_read(APIC_IRR + i*0x10);
+
+		for (i = APIC_ISR_NR - 1; i >= 0; i--) {
+			value = apic_read(APIC_ISR + i*0x10);
+			for (j = 31; j >= 0; j--) {
+				if (value & (1<<j)) {
+					ack_APIC_irq();
+					acked++;
+				}
+			}
 		}
-	}
+		if (acked > 256) {
+			printk(KERN_ERR "LAPIC pending interrupts after %d EOI\n",
+			       acked);
+			break;
+		}
+		if (cpu_has_tsc) {
+			rdtscll(ntsc);
+			max_loops = (cpu_khz << 10) - (ntsc - tsc);
+		} else
+			max_loops--;
+	} while (queued && max_loops > 0);
+	WARN_ON(max_loops <= 0);
 
 	/*
 	 * Now that we are all set up, enable the APIC

From b46fc5f235be04a7f77fb2af1d8cb809889c25c1 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Mon, 24 May 2010 12:13:16 -0700
Subject: [PATCH 2887/3638] arch/x86/pci: use kasprintf

kasprintf combines kmalloc and sprintf, and takes care of the size
calculation itself.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression a,flag;
expression list args;
statement S;
@@

  a =
-  \(kmalloc\|kzalloc\)(...,flag)
+  kasprintf(flag,args)
  <... when != a
  if (a == NULL || ...) S
  ...>
- sprintf(a,args);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
LKML-Reference: <201005241913.o4OJDG3R010871@imap1.linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/pci/acpi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 31930fd30ea..7c0ad634694 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -207,10 +207,9 @@ get_current_resources(struct acpi_device *device, int busnum,
 	if (!info.res)
 		goto res_alloc_fail;
 
-	info.name = kmalloc(16, GFP_KERNEL);
+	info.name = kasprintf(GFP_KERNEL, "PCI Bus %04x:%02x", domain, busnum);
 	if (!info.name)
 		goto name_alloc_fail;
-	sprintf(info.name, "PCI Bus %04x:%02x", domain, busnum);
 
 	info.res_num = 0;
 	acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource,

From 5f2eb55026c91f8400ab4469aff88b2e201b5616 Mon Sep 17 00:00:00 2001
From: Jan Beulich <JBeulich@novell.com>
Date: Mon, 24 May 2010 12:13:17 -0700
Subject: [PATCH 2888/3638] x86: "nosmp" command line option should force the
 system into UP mode

Bits set in cpu_possible_mask prior to the execution of
prefill_possible_map() (i.e.  when parsing ACPI or MPS tables) would
prevent the SMP alternatives logic from switching to UP mode, plus
unnecessary setup of per-CPU data for CPUs that can never come online.

Additionally, without CONFIG_HOTPLUG_CPU disabled CPUs can never come
online, and hence setting cpu_possible_mask bits for them is again a
simple waste of resources.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <201005241913.o4OJDH3Z010874@imap1.linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/kernel/smpboot.c | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 763d815e27a..37462f1ddba 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1215,9 +1215,17 @@ __init void prefill_possible_map(void)
 	if (!num_processors)
 		num_processors = 1;
 
-	if (setup_possible_cpus == -1)
-		possible = num_processors + disabled_cpus;
-	else
+	i = setup_max_cpus ?: 1;
+	if (setup_possible_cpus == -1) {
+		possible = num_processors;
+#ifdef CONFIG_HOTPLUG_CPU
+		if (setup_max_cpus)
+			possible += disabled_cpus;
+#else
+		if (possible > i)
+			possible = i;
+#endif
+	} else
 		possible = setup_possible_cpus;
 
 	total_cpus = max_t(int, possible, num_processors + disabled_cpus);
@@ -1230,11 +1238,23 @@ __init void prefill_possible_map(void)
 		possible = nr_cpu_ids;
 	}
 
+#ifdef CONFIG_HOTPLUG_CPU
+	if (!setup_max_cpus)
+#endif
+	if (possible > i) {
+		printk(KERN_WARNING
+			"%d Processors exceeds max_cpus limit of %u\n",
+			possible, setup_max_cpus);
+		possible = i;
+	}
+
 	printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug CPUs\n",
 		possible, max_t(int, possible - num_processors, 0));
 
 	for (i = 0; i < possible; i++)
 		set_cpu_possible(i, true);
+	for (; i < NR_CPUS; i++)
+		set_cpu_possible(i, false);
 
 	nr_cpu_ids = possible;
 }

From 3d6e77a3ddb8e4156b89f4273ff8c7d37abaf781 Mon Sep 17 00:00:00 2001
From: Gabor Gombas <gombasg@digikabel.hu>
Date: Mon, 24 May 2010 12:13:18 -0700
Subject: [PATCH 2889/3638] x86, setup: Phoenix BIOS fixup is needed on Dell
 Inspiron Mini 1012

The low-memory corruption checker triggers during suspend/resume, so we
need to reserve the low 64k.  Don't be fooled that the BIOS identifies
itself as "Dell Inc.", it's still Phoenix BIOS.

[ hpa: I think we blacklist almost every BIOS in existence.  We should
either change this to a whitelist or just make it unconditional. ]

Signed-off-by: Gabor Gombas <gombasg@digikabel.hu>
LKML-Reference: <201005241913.o4OJDIMM010877@imap1.linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@kernel.org>
---
 arch/x86/kernel/setup.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e8029896309..b4ae4acbd03 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -676,6 +676,17 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "DG45FC"),
 		},
 	},
+	/*
+	 * The Dell Inspiron Mini 1012 has DMI_BIOS_VENDOR = "Dell Inc.", so
+	 * match on the product name.
+	 */
+	{
+		.callback = dmi_low_memory_corruption,
+		.ident = "Phoenix BIOS",
+		.matches = {
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
+		},
+	},
 #endif
 	{}
 };

From 48691ff86d91db1090551ec2a5ae0d80ef59105f Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 24 May 2010 12:13:19 -0700
Subject: [PATCH 2890/3638] x86: remove last traces of quicklist usage

We still have a stray quicklist header included even though we axed
quicklist usage quite a while back.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <201005241913.o4OJDJe9010881@imap1.linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/mm/pgtable_32.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 792854003ed..cac71849925 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -9,7 +9,6 @@
 #include <linux/pagemap.h>
 #include <linux/spinlock.h>
 #include <linux/module.h>
-#include <linux/quicklist.h>
 
 #include <asm/system.h>
 #include <asm/pgtable.h>

From 0dbdd1bfe0b83798763540111118b78b70792f00 Mon Sep 17 00:00:00 2001
From: Peter Huewe <peterhuewe@gmx.de>
Date: Mon, 24 May 2010 12:13:20 -0700
Subject: [PATCH 2891/3638] lib/atomic64_test: fix missing include of
 linux/kernel.h

Fix a build-failure
(http://kisskb.ellerman.id.au/kisskb/buildresult/2601239/) by adding the
missing include file (linux/kernel.h) for printk and KERN_INFO.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
LKML-Reference: <201005241913.o4OJDKdf010884@imap1.linux-foundation.org>
Cc: Luca Barbieri <luca@luca-barbieri.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 lib/atomic64_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c
index 65e482caf5e..9087d71537d 100644
--- a/lib/atomic64_test.c
+++ b/lib/atomic64_test.c
@@ -9,6 +9,7 @@
  * (at your option) any later version.
  */
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <asm/atomic.h>
 
 #define INIT(c) do { atomic64_set(&v, c); r = c; } while (0)

From 3d34a0d80ab51b6838c08c22e7f47aec408eb837 Mon Sep 17 00:00:00 2001
From: wanzongshun <mcuos.com@gmail.com>
Date: Sat, 22 May 2010 15:23:23 +0100
Subject: [PATCH 2892/3638] ARM: 6141/1: Add audio support part in
 arch/arm/mach-w90x900

Add audio support part in arch/arm/mach-w90x900

Signed-off-by: Wan ZongShun<mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-w90x900/dev.c              | 28 ++++++++++++++++++++++++
 arch/arm/mach-w90x900/include/mach/mfp.h | 24 ++++++++++++++++++++
 arch/arm/mach-w90x900/mfp.c              |  6 +++++
 3 files changed, 58 insertions(+)
 create mode 100644 arch/arm/mach-w90x900/include/mach/mfp.h

diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index e2958eb567f..b2eda4dc1c3 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -423,6 +423,33 @@ void  nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd)
 }
 #endif
 
+/* AUDIO controller*/
+static u64 nuc900_device_audio_dmamask = -1;
+static struct resource nuc900_ac97_resource[] = {
+	[0] = {
+		.start = W90X900_PA_ACTL,
+		.end   = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_ACTL,
+		.end   = IRQ_ACTL,
+		.flags = IORESOURCE_IRQ,
+	}
+
+};
+
+struct platform_device nuc900_device_audio = {
+	.name		= "nuc900-audio",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(nuc900_ac97_resource),
+	.resource	= nuc900_ac97_resource,
+	.dev              = {
+		.dma_mask               = &nuc900_device_audio_dmamask,
+		.coherent_dma_mask      = -1,
+	}
+};
+
 /*Here should be your evb resourse,such as LCD*/
 
 static struct platform_device *nuc900_public_dev[] __initdata = {
@@ -434,6 +461,7 @@ static struct platform_device *nuc900_public_dev[] __initdata = {
 	&nuc900_device_emc,
 	&nuc900_device_spi,
 	&nuc900_device_wdt,
+	&nuc900_device_audio,
 };
 
 /* Provide adding specific CPU platform devices API */
diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h
new file mode 100644
index 00000000000..94c0e71617c
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/mfp.h
@@ -0,0 +1,24 @@
+/*
+ * arch/arm/mach-w90x900/include/mach/mfp.h
+ *
+ * Copyright (c) 2010 Nuvoton technology corporation.
+ *
+ * Wan ZongShun <mcuos.com@gmail.com>
+ *
+ * Based on arch/arm/mach-s3c2410/include/mach/map.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation;version 2 of the License.
+ *
+ */
+
+#ifndef __ASM_ARCH_MFP_H
+#define __ASM_ARCH_MFP_H
+
+extern void mfp_set_groupf(struct device *dev);
+extern void mfp_set_groupc(struct device *dev);
+extern void mfp_set_groupi(struct device *dev);
+extern void mfp_set_groupg(struct device *dev);
+
+#endif /* __ASM_ARCH_MFP_H */
diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c
index a47dc9a708e..fb7fb627b1a 100644
--- a/arch/arm/mach-w90x900/mfp.c
+++ b/arch/arm/mach-w90x900/mfp.c
@@ -36,9 +36,12 @@
 
 #define GPIOG0TO1	(0x03 << 14)
 #define GPIOG2TO3	(0x03 << 16)
+#define GPIOG22TO23	(0x03 << 22)
+
 #define ENSPI		(0x0a << 14)
 #define ENI2C0		(0x01 << 14)
 #define ENI2C1		(0x01 << 16)
+#define ENAC97		(0x02 << 22)
 
 static DEFINE_MUTEX(mfp_mutex);
 
@@ -146,6 +149,9 @@ void mfp_set_groupg(struct device *dev)
 	} else if (strcmp(dev_id, "nuc900-i2c1") == 0) {
 		mfpen &= ~(GPIOG2TO3);
 		mfpen |= ENI2C1;/*enable i2c1*/
+	} else if (strcmp(dev_id, "nuc900-audio") == 0) {
+		mfpen &= ~(GPIOG22TO23);
+		mfpen |= ENAC97;/*enable AC97*/
 	} else {
 		mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
 	}

From fd388ce677e7de9180a7d46d12c5162f76af64ac Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:57:27 -0500
Subject: [PATCH 2893/3638] RDMA/cxgb4: Detach from the LLD after unregistering
 RDMA device

In the RDMA core unregister path, kernel users will be calling down
into the T4 provider to release resources.  So we cannot detach from
the LLD until this process completes.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/device.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index be23b5eab13..c7e2484e721 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -504,14 +504,12 @@ static void __exit c4iw_exit_module(void)
 {
 	struct c4iw_dev *dev, *tmp;
 
-	cxgb4_unregister_uld(CXGB4_ULD_RDMA);
-
 	mutex_lock(&dev_mutex);
 	list_for_each_entry_safe(dev, tmp, &dev_list, entry) {
 		c4iw_remove(dev);
 	}
 	mutex_unlock(&dev_mutex);
-
+	cxgb4_unregister_uld(CXGB4_ULD_RDMA);
 	c4iw_cm_term();
 	debugfs_remove_recursive(c4iw_debugfs_root);
 }

From 1c01c5388306a4c2245b71da0cba22d521e897ae Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:57:32 -0500
Subject: [PATCH 2894/3638] RDMA/cxgb4: Register RDMA provider based on LLD
 state_change events

The LLD now supports proper UP state change events, so move the RDMA
provider registration to UP path.

This fixes a crash when loading iw_cxgb4 _after_ the NFS/RDMA
transport is up and running.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/device.c   | 46 ++++++++++++++++++++------
 drivers/infiniband/hw/cxgb4/iw_cxgb4.h |  1 +
 drivers/infiniband/hw/cxgb4/provider.c |  2 ++
 3 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index c7e2484e721..d870f9c17c1 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -306,7 +306,8 @@ static void c4iw_remove(struct c4iw_dev *dev)
 	PDBG("%s c4iw_dev %p\n", __func__,  dev);
 	cancel_delayed_work_sync(&dev->db_drop_task);
 	list_del(&dev->entry);
-	c4iw_unregister_device(dev);
+	if (dev->registered)
+		c4iw_unregister_device(dev);
 	c4iw_rdev_close(&dev->rdev);
 	idr_destroy(&dev->cqidr);
 	idr_destroy(&dev->qpidr);
@@ -343,12 +344,6 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop)
 	list_add_tail(&devp->entry, &dev_list);
 	mutex_unlock(&dev_mutex);
 
-	if (c4iw_register_device(devp)) {
-		printk(KERN_ERR MOD "Unable to register device\n");
-		mutex_lock(&dev_mutex);
-		c4iw_remove(devp);
-		mutex_unlock(&dev_mutex);
-	}
 	if (c4iw_debugfs_root) {
 		devp->debugfs_root = debugfs_create_dir(
 					pci_name(devp->rdev.lldi.pdev),
@@ -379,9 +374,6 @@ static void *c4iw_uld_add(const struct cxgb4_lld_info *infop)
 
 	for (i = 0; i < dev->rdev.lldi.nrxq; i++)
 		PDBG("rxqid[%u] %u\n", i, dev->rdev.lldi.rxq_ids[i]);
-
-	printk(KERN_INFO MOD "Initialized device %s\n",
-	       pci_name(dev->rdev.lldi.pdev));
 out:
 	return dev;
 }
@@ -471,7 +463,41 @@ nomem:
 
 static int c4iw_uld_state_change(void *handle, enum cxgb4_state new_state)
 {
+	struct c4iw_dev *dev = handle;
+
 	PDBG("%s new_state %u\n", __func__, new_state);
+	switch (new_state) {
+	case CXGB4_STATE_UP:
+		printk(KERN_INFO MOD "%s: Up\n", pci_name(dev->rdev.lldi.pdev));
+		if (!dev->registered) {
+			int ret;
+			ret = c4iw_register_device(dev);
+			if (ret)
+				printk(KERN_ERR MOD
+				       "%s: RDMA registration failed: %d\n",
+				       pci_name(dev->rdev.lldi.pdev), ret);
+		}
+		break;
+	case CXGB4_STATE_DOWN:
+		printk(KERN_INFO MOD "%s: Down\n",
+		       pci_name(dev->rdev.lldi.pdev));
+		if (dev->registered)
+			c4iw_unregister_device(dev);
+		break;
+	case CXGB4_STATE_START_RECOVERY:
+		printk(KERN_INFO MOD "%s: Fatal Error\n",
+		       pci_name(dev->rdev.lldi.pdev));
+		if (dev->registered)
+			c4iw_unregister_device(dev);
+		break;
+	case CXGB4_STATE_DETACH:
+		printk(KERN_INFO MOD "%s: Detach\n",
+		       pci_name(dev->rdev.lldi.pdev));
+		mutex_lock(&dev_mutex);
+		c4iw_remove(dev);
+		mutex_unlock(&dev_mutex);
+		break;
+	}
 	return 0;
 }
 
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index a6269981e81..277ab589b44 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -152,6 +152,7 @@ struct c4iw_dev {
 	struct list_head entry;
 	struct delayed_work db_drop_task;
 	struct dentry *debugfs_root;
+	u8 registered;
 };
 
 static inline struct c4iw_dev *to_c4iw_dev(struct ib_device *ibdev)
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index dfc49020bb9..322134bb8b7 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -496,6 +496,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
 		if (ret)
 			goto bail2;
 	}
+	dev->registered = 1;
 	return 0;
 bail2:
 	ib_unregister_device(&dev->ibdev);
@@ -514,5 +515,6 @@ void c4iw_unregister_device(struct c4iw_dev *dev)
 				   c4iw_class_attributes[i]);
 	ib_unregister_device(&dev->ibdev);
 	kfree(dev->ibdev.iwcm);
+	dev->registered = 0;
 	return;
 }

From 895cf5f3d6cb72825919a39ae48a41476a821e65 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:57:38 -0500
Subject: [PATCH 2895/3638] RDMA/cxgb4: CQ size must be IQ size - 2

We need 1 extra entry for the status page and 1 to always have 1 free
entry to detect when the queue is full.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/cq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index fb1aafcc294..46ac00f728f 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -780,6 +780,9 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
 	/* account for the status page. */
 	entries++;
 
+	/* IQ needs one extra entry to differentiate full vs empty. */
+	entries++;
+
 	/*
 	 * entries must be multiple of 16 for HW.
 	 */
@@ -801,7 +804,7 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
 
 	chp->rhp = rhp;
 	chp->cq.size--;				/* status page */
-	chp->ibcq.cqe = chp->cq.size;
+	chp->ibcq.cqe = chp->cq.size - 1;
 	spin_lock_init(&chp->lock);
 	atomic_set(&chp->refcnt, 1);
 	init_waitqueue_head(&chp->wait);

From 84172dee05cbce6ae791eac481ef4d8590cda791 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:57:43 -0500
Subject: [PATCH 2896/3638] RDMA/cxgb4: Optimize CQ overflow detection

1) save the timestamp flit in the cq when we consume a CQE.

2) always compare the saved flit with the previous entry flit when
   reading the next CQE entry.  If the flits don't compare, then we
   have overflowed.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/cq.c |  1 +
 drivers/infiniband/hw/cxgb4/t4.h | 28 ++++++++++++++++------------
 2 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index 46ac00f728f..2447f529548 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -373,6 +373,7 @@ static void create_read_req_cqe(struct t4_wq *wq, struct t4_cqe *hw_cqe,
 				 V_CQE_SWCQE(SW_CQE(hw_cqe)) |
 				 V_CQE_OPCODE(FW_RI_READ_REQ) |
 				 V_CQE_TYPE(1));
+	read_cqe->bits_type_ts = hw_cqe->bits_type_ts;
 }
 
 /*
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index d0e8af35240..712bc5620d3 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -434,7 +434,7 @@ struct t4_cq {
 	struct c4iw_rdev *rdev;
 	u64 ugts;
 	size_t memsize;
-	u64 timestamp;
+	__be64 bits_type_ts;
 	u32 cqid;
 	u16 size; /* including status page */
 	u16 cidx;
@@ -487,6 +487,7 @@ static inline void t4_swcq_consume(struct t4_cq *cq)
 
 static inline void t4_hwcq_consume(struct t4_cq *cq)
 {
+	cq->bits_type_ts = cq->queue[cq->cidx].bits_type_ts;
 	cq->cidx_inc++;
 	if (++cq->cidx == cq->size) {
 		cq->cidx = 0;
@@ -501,20 +502,23 @@ static inline int t4_valid_cqe(struct t4_cq *cq, struct t4_cqe *cqe)
 
 static inline int t4_next_hw_cqe(struct t4_cq *cq, struct t4_cqe **cqe)
 {
-	int ret = 0;
-	u64 bits_type_ts = be64_to_cpu(cq->queue[cq->cidx].bits_type_ts);
+	int ret;
+	u16 prev_cidx;
 
-	if (G_CQE_GENBIT(bits_type_ts) == cq->gen) {
-		*cqe = &cq->queue[cq->cidx];
-		cq->timestamp = G_CQE_TS(bits_type_ts);
-	} else if (G_CQE_TS(bits_type_ts) > cq->timestamp)
-		ret = -EOVERFLOW;
+	if (cq->cidx == 0)
+		prev_cidx = cq->size - 1;
 	else
-		ret = -ENODATA;
-	if (ret == -EOVERFLOW) {
-		printk(KERN_ERR MOD "cq overflow cqid %u\n", cq->cqid);
+		prev_cidx = cq->cidx - 1;
+
+	if (cq->queue[prev_cidx].bits_type_ts != cq->bits_type_ts) {
+		ret = -EOVERFLOW;
 		cq->error = 1;
-	}
+		printk(KERN_ERR MOD "cq overflow cqid %u\n", cq->cqid);
+	} else if (t4_valid_cqe(cq, &cq->queue[cq->cidx])) {
+		*cqe = &cq->queue[cq->cidx];
+		ret = 0;
+	} else
+		ret = -ENODATA;
 	return ret;
 }
 

From 7ec45b923446d484eb39434e18d354666426e606 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:57:49 -0500
Subject: [PATCH 2897/3638] RDMA/cxgb4: Fix overflow bug in CQ arm

- wrap cq->cqidx_inc based on cq size.
- optimize t4_arm_cq logic.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/t4.h | 29 +++++++++++------------------
 1 file changed, 11 insertions(+), 18 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index 712bc5620d3..333abd3c726 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -449,25 +449,17 @@ struct t4_cq {
 static inline int t4_arm_cq(struct t4_cq *cq, int se)
 {
 	u32 val;
-	u16 inc;
 
-	do {
-		/*
-		 * inc must be less the both the max update value -and-
-		 * the size of the CQ.
-		 */
-		inc = cq->cidx_inc <= CIDXINC_MASK ? cq->cidx_inc :
-						     CIDXINC_MASK;
-		inc = inc <= (cq->size - 1) ? inc : (cq->size - 1);
-		if (inc == cq->cidx_inc)
-			val = SEINTARM(se) | CIDXINC(inc) | TIMERREG(6) |
-			      INGRESSQID(cq->cqid);
-		else
-			val = SEINTARM(0) | CIDXINC(inc) | TIMERREG(7) |
-			      INGRESSQID(cq->cqid);
-		cq->cidx_inc -= inc;
+	while (cq->cidx_inc > CIDXINC_MASK) {
+		val = SEINTARM(0) | CIDXINC(CIDXINC_MASK) | TIMERREG(7) |
+		      INGRESSQID(cq->cqid);
 		writel(val, cq->gts);
-	} while (cq->cidx_inc);
+		cq->cidx_inc -= CIDXINC_MASK;
+	}
+	val = SEINTARM(se) | CIDXINC(cq->cidx_inc) | TIMERREG(6) |
+	      INGRESSQID(cq->cqid);
+	writel(val, cq->gts);
+	cq->cidx_inc = 0;
 	return 0;
 }
 
@@ -488,7 +480,8 @@ static inline void t4_swcq_consume(struct t4_cq *cq)
 static inline void t4_hwcq_consume(struct t4_cq *cq)
 {
 	cq->bits_type_ts = cq->queue[cq->cidx].bits_type_ts;
-	cq->cidx_inc++;
+	if (++cq->cidx_inc == cq->size)
+		cq->cidx_inc = 0;
 	if (++cq->cidx == cq->size) {
 		cq->cidx = 0;
 		cq->gen ^= 1;

From 841dba9a5a0dbced4b4bc240f444d47f30ba6724 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:57:54 -0500
Subject: [PATCH 2898/3638] RDMA/cxgb4: Return proper errors in fastreg mr/pbl
 allocation

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/mem.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index e54ff6d2569..993ed1fe7bf 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -712,8 +712,10 @@ struct ib_mr *c4iw_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth)
 	php = to_c4iw_pd(pd);
 	rhp = php->rhp;
 	mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
-	if (!mhp)
+	if (!mhp) {
+		ret = -ENOMEM;
 		goto err;
+	}
 
 	mhp->rhp = rhp;
 	ret = alloc_pbl(mhp, pbl_depth);
@@ -730,8 +732,10 @@ struct ib_mr *c4iw_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth)
 	mhp->attr.state = 1;
 	mmid = (stag) >> 8;
 	mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
-	if (insert_handle(rhp, &rhp->mmidr, mhp, mmid))
+	if (insert_handle(rhp, &rhp->mmidr, mhp, mmid)) {
+		ret = -ENOMEM;
 		goto err3;
+	}
 
 	PDBG("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag);
 	return &(mhp->ibmr);

From 25737bd4ca1b58e86efa9211c1717140e0d4910e Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:57:59 -0500
Subject: [PATCH 2899/3638] RDMA/cxgb4: Don't limit fastreg page list depth

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/mem.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 993ed1fe7bf..7f94da1a243 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -759,9 +759,6 @@ struct ib_fast_reg_page_list *c4iw_alloc_fastreg_pbl(struct ib_device *device,
 	dma_addr_t dma_addr;
 	int size = sizeof *c4pl + page_list_len * sizeof(u64);
 
-	if (page_list_len > T4_MAX_FR_DEPTH)
-		return ERR_PTR(-EINVAL);
-
 	c4pl = dma_alloc_coherent(&dev->rdev.lldi.pdev->dev, size,
 				  &dma_addr, GFP_KERNEL);
 	if (!c4pl)

From f64b88433c27815f931d4d5ff7db7ac701fdc8c9 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:58:05 -0500
Subject: [PATCH 2900/3638] RDMA/cxgb4: Update some HW limits

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/t4.h | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index 333abd3c726..1057cb96302 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -41,11 +41,13 @@
 #define T4_MAX_NUM_QP (1<<16)
 #define T4_MAX_NUM_CQ (1<<15)
 #define T4_MAX_NUM_PD (1<<15)
-#define T4_MAX_PBL_SIZE 256
-#define T4_MAX_RQ_SIZE 1024
-#define T4_MAX_SQ_SIZE 1024
-#define T4_MAX_QP_DEPTH (T4_MAX_RQ_SIZE-1)
-#define T4_MAX_CQ_DEPTH 8192
+#define T4_EQ_STATUS_ENTRIES (L1_CACHE_BYTES > 64 ? 2 : 1)
+#define T4_MAX_EQ_SIZE (65520 - T4_EQ_STATUS_ENTRIES)
+#define T4_MAX_IQ_SIZE (65520 - 1)
+#define T4_MAX_RQ_SIZE (8192 - T4_EQ_STATUS_ENTRIES)
+#define T4_MAX_SQ_SIZE (T4_MAX_EQ_SIZE - 1)
+#define T4_MAX_QP_DEPTH (T4_MAX_RQ_SIZE - 1)
+#define T4_MAX_CQ_DEPTH (T4_MAX_IQ_SIZE - 1)
 #define T4_MAX_NUM_STAG (1<<15)
 #define T4_MAX_MR_SIZE (~0ULL - 1)
 #define T4_PAGESIZE_MASK 0xffff000  /* 4KB-128MB */
@@ -79,12 +81,11 @@ struct t4_status_page {
 			sizeof(struct fw_ri_isgl)) / sizeof(struct fw_ri_sge))
 #define T4_MAX_FR_IMMD ((T4_SQ_NUM_BYTES - sizeof(struct fw_ri_fr_nsmr_wr) - \
 			sizeof(struct fw_ri_immd)))
-#define T4_MAX_FR_DEPTH 255
+#define T4_MAX_FR_DEPTH (T4_MAX_FR_IMMD / sizeof(u64))
 
 #define T4_RQ_NUM_SLOTS 2
 #define T4_RQ_NUM_BYTES (T4_EQ_SIZE * T4_RQ_NUM_SLOTS)
-#define T4_MAX_RECV_SGE ((T4_RQ_NUM_BYTES - sizeof(struct fw_ri_recv_wr) - \
-			sizeof(struct fw_ri_isgl)) / sizeof(struct fw_ri_sge))
+#define T4_MAX_RECV_SGE 4
 
 union t4_wr {
 	struct fw_ri_res_wr res;

From 4ab1eb9c8df620d5ed64fa1d1be683862b311685 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:58:10 -0500
Subject: [PATCH 2901/3638] RDMA/cxgb4: Set fence flag for inv-local-stag work
 requests

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/qp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 83a01dc0c4c..9fb52fa75e2 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -588,6 +588,8 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 			err = build_fastreg(wqe, wr, &len16);
 			break;
 		case IB_WR_LOCAL_INV:
+			if (wr->send_flags & IB_SEND_FENCE)
+				fw_flags |= FW_RI_LOCAL_FENCE_FLAG;
 			fw_opcode = FW_RI_INV_LSTAG_WR;
 			swsqe->opcode = FW_RI_LOCAL_INV;
 			err = build_inv_stag(wqe, wr, &len16);

From 2f1fb507eec22ee64b541ea8586a7365ede8be2e Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:58:16 -0500
Subject: [PATCH 2902/3638] RDMA/cxgb4: Support IB_WR_READ_WITH_INV opcode

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/qp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 9fb52fa75e2..a41881b15e6 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -572,9 +572,13 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 			err = build_rdma_write(wqe, wr, &len16);
 			break;
 		case IB_WR_RDMA_READ:
+		case IB_WR_RDMA_READ_WITH_INV:
 			fw_opcode = FW_RI_RDMA_READ_WR;
 			swsqe->opcode = FW_RI_READ_REQ;
-			fw_flags = 0;
+			if (wr->opcode == IB_WR_RDMA_READ_WITH_INV)
+				fw_flags |= FW_RI_RDMA_READ_INVALIDATE;
+			else
+				fw_flags = 0;
 			err = build_rdma_read(wqe, wr, &len16);
 			if (err)
 				break;

From 30a6a62fc35208924ffa8a472b0af4552441cbff Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 20 May 2010 16:58:21 -0500
Subject: [PATCH 2903/3638] RDMA/cxgb4: Only insert sq qid in lookup table

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb4/qp.c | 25 +++++++++----------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index a41881b15e6..0c28ed1eafa 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1345,7 +1345,6 @@ int c4iw_destroy_qp(struct ib_qp *ib_qp)
 	wait_event(qhp->wait, !qhp->ep);
 
 	remove_handle(rhp, &rhp->qpidr, qhp->wq.sq.qid);
-	remove_handle(rhp, &rhp->qpidr, qhp->wq.rq.qid);
 	atomic_dec(&qhp->refcnt);
 	wait_event(qhp->wait, !atomic_read(&qhp->refcnt));
 
@@ -1448,30 +1447,26 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
 	if (ret)
 		goto err2;
 
-	ret = insert_handle(rhp, &rhp->qpidr, qhp, qhp->wq.rq.qid);
-	if (ret)
-		goto err3;
-
 	if (udata) {
 		mm1 = kmalloc(sizeof *mm1, GFP_KERNEL);
 		if (!mm1) {
 			ret = -ENOMEM;
-			goto err4;
+			goto err3;
 		}
 		mm2 = kmalloc(sizeof *mm2, GFP_KERNEL);
 		if (!mm2) {
 			ret = -ENOMEM;
-			goto err5;
+			goto err4;
 		}
 		mm3 = kmalloc(sizeof *mm3, GFP_KERNEL);
 		if (!mm3) {
 			ret = -ENOMEM;
-			goto err6;
+			goto err5;
 		}
 		mm4 = kmalloc(sizeof *mm4, GFP_KERNEL);
 		if (!mm4) {
 			ret = -ENOMEM;
-			goto err7;
+			goto err6;
 		}
 
 		uresp.qid_mask = rhp->rdev.qpmask;
@@ -1493,7 +1488,7 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
 		spin_unlock(&ucontext->mmap_lock);
 		ret = ib_copy_to_udata(udata, &uresp, sizeof uresp);
 		if (ret)
-			goto err8;
+			goto err7;
 		mm1->key = uresp.sq_key;
 		mm1->addr = virt_to_phys(qhp->wq.sq.queue);
 		mm1->len = PAGE_ALIGN(qhp->wq.sq.memsize);
@@ -1517,16 +1512,14 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
 	     __func__, qhp, qhp->attr.sq_num_entries, qhp->attr.rq_num_entries,
 	     qhp->wq.sq.qid);
 	return &qhp->ibqp;
-err8:
-	kfree(mm4);
 err7:
-	kfree(mm3);
+	kfree(mm4);
 err6:
-	kfree(mm2);
+	kfree(mm3);
 err5:
-	kfree(mm1);
+	kfree(mm2);
 err4:
-	remove_handle(rhp, &rhp->qpidr, qhp->wq.rq.qid);
+	kfree(mm1);
 err3:
 	remove_handle(rhp, &rhp->qpidr, qhp->wq.sq.qid);
 err2:

From 39942a028c559e39495ae7b29a8dd9b0c3c03003 Mon Sep 17 00:00:00 2001
From: Faisal Latif <faisal.latif@intel.com>
Date: Fri, 21 May 2010 16:54:57 -0500
Subject: [PATCH 2904/3638] RDMA/nes: Have ethtool read hardware registers for
 rx/tx stats

Enhance ethtool to read hardware registers for rcv/tx error stats.
Also add support for free pbl resources.  Remove cq depth stats, which
are not used.

Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/nes/nes_nic.c | 72 ++++++++++++++++++++++-------
 1 file changed, 55 insertions(+), 17 deletions(-)

diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 9f4cadf9f85..242f42d8c1c 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -1002,6 +1002,7 @@ static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu)
 	return ret;
 }
 
+
 static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
 	"Link Change Interrupts",
 	"Linearized SKBs",
@@ -1016,11 +1017,15 @@ static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
 	"Rx Jabber Errors",
 	"Rx Oversized Frames",
 	"Rx Short Frames",
+	"Rx Length Errors",
+	"Rx CRC Errors",
+	"Rx Port Discard",
 	"Endnode Rx Discards",
 	"Endnode Rx Octets",
 	"Endnode Rx Frames",
 	"Endnode Tx Octets",
 	"Endnode Tx Frames",
+	"Tx Errors",
 	"mh detected",
 	"mh pauses",
 	"Retransmission Count",
@@ -1049,19 +1054,13 @@ static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
 	"CM Nodes Destroyed",
 	"CM Accel Drops",
 	"CM Resets Received",
+	"Free 4Kpbls",
+	"Free 256pbls",
 	"Timer Inits",
-	"CQ Depth 1",
-	"CQ Depth 4",
-	"CQ Depth 16",
-	"CQ Depth 24",
-	"CQ Depth 32",
-	"CQ Depth 128",
-	"CQ Depth 256",
 	"LRO aggregated",
 	"LRO flushed",
 	"LRO no_desc",
 };
-
 #define NES_ETHTOOL_STAT_COUNT  ARRAY_SIZE(nes_ethtool_stringset)
 
 /**
@@ -1121,12 +1120,14 @@ static void nes_netdev_get_strings(struct net_device *netdev, u32 stringset,
 /**
  * nes_netdev_get_ethtool_stats
  */
+
 static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
 		struct ethtool_stats *target_ethtool_stats, u64 *target_stat_values)
 {
 	u64 u64temp;
 	struct nes_vnic *nesvnic = netdev_priv(netdev);
 	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
 	u32 nic_count;
 	u32 u32temp;
 	u32 index = 0;
@@ -1155,6 +1156,46 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
 	nesvnic->nesdev->port_tx_discards += u32temp;
 	nesvnic->netstats.tx_dropped += u32temp;
 
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_short_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_oversized_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_jabber_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_length_errors += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_crc_errors += u32temp;
+	nesvnic->netstats.rx_crc_errors += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->nesdev->mac_tx_errors += u32temp;
+	nesvnic->netstats.tx_errors += u32temp;
+
 	for (nic_count = 0; nic_count < NES_MAX_PORT_COUNT; nic_count++) {
 		if (nesvnic->qp_nic_index[nic_count] == 0xf)
 			break;
@@ -1219,11 +1260,15 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
 	target_stat_values[++index] = nesvnic->nesdev->mac_rx_jabber_frames;
 	target_stat_values[++index] = nesvnic->nesdev->mac_rx_oversized_frames;
 	target_stat_values[++index] = nesvnic->nesdev->mac_rx_short_frames;
+	target_stat_values[++index] = nesvnic->netstats.rx_length_errors;
+	target_stat_values[++index] = nesvnic->nesdev->mac_rx_crc_errors;
+	target_stat_values[++index] = nesvnic->nesdev->port_rx_discards;
 	target_stat_values[++index] = nesvnic->endnode_nstat_rx_discard;
 	target_stat_values[++index] = nesvnic->endnode_nstat_rx_octets;
 	target_stat_values[++index] = nesvnic->endnode_nstat_rx_frames;
 	target_stat_values[++index] = nesvnic->endnode_nstat_tx_octets;
 	target_stat_values[++index] = nesvnic->endnode_nstat_tx_frames;
+	target_stat_values[++index] = nesvnic->nesdev->mac_tx_errors;
 	target_stat_values[++index] = mh_detected;
 	target_stat_values[++index] = mh_pauses_sent;
 	target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits;
@@ -1252,21 +1297,14 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
 	target_stat_values[++index] = atomic_read(&cm_nodes_destroyed);
 	target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts);
 	target_stat_values[++index] = atomic_read(&cm_resets_recvd);
+	target_stat_values[++index] = nesadapter->free_4kpbl;
+	target_stat_values[++index] = nesadapter->free_256pbl;
 	target_stat_values[++index] = int_mod_timer_init;
-	target_stat_values[++index] = int_mod_cq_depth_1;
-	target_stat_values[++index] = int_mod_cq_depth_4;
-	target_stat_values[++index] = int_mod_cq_depth_16;
-	target_stat_values[++index] = int_mod_cq_depth_24;
-	target_stat_values[++index] = int_mod_cq_depth_32;
-	target_stat_values[++index] = int_mod_cq_depth_128;
-	target_stat_values[++index] = int_mod_cq_depth_256;
 	target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated;
 	target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed;
 	target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc;
-
 }
 
-
 /**
  * nes_netdev_get_drvinfo
  */

From df02902313feb1472bc6ec16e486f72b39e9d4b2 Mon Sep 17 00:00:00 2001
From: Faisal Latif <faisal.latif@intel.com>
Date: Fri, 21 May 2010 16:55:03 -0500
Subject: [PATCH 2905/3638] RDMA/nes: Async event for closed QP causes crash

Under abnormal termination, modify_qp() closes the QP, and async event
(AE) handling also attempts to close the same QP, causing a crash.
Fix this by checking the state of the QP before processing the AE.

Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/nes/nes_hw.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 86acb7d5706..bb9c77504fe 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -3422,6 +3422,7 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 	struct nes_adapter *nesadapter = nesdev->nesadapter;
 	u32 aeq_info;
 	u32 next_iwarp_state = 0;
+	u32 aeqe_cq_id;
 	u16 async_event_id;
 	u8 tcp_state;
 	u8 iwarp_state;
@@ -3449,6 +3450,14 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 			le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]), aeqe,
 			nes_tcp_state_str[tcp_state], nes_iwarp_state_str[iwarp_state]);
 
+	aeqe_cq_id = le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]);
+	if (aeq_info & NES_AEQE_QP) {
+		if ((!nes_is_resource_allocated(nesadapter, nesadapter->allocated_qps,
+				aeqe_cq_id)) ||
+				(atomic_read(&nesqp->close_timer_started)))
+			return;
+	}
+
 	switch (async_event_id) {
 		case NES_AEQE_AEID_LLP_FIN_RECEIVED:
 			if (nesqp->term_flags)

From 0398fb70940e1f10939d6126eafb760bd48d1566 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Date: Fri, 14 May 2010 09:14:26 +0000
Subject: [PATCH 2906/3638] spi/spi_mpc8xxx: Fix QE mode Litte Endian

QE mode uses Little Endian so words > 8 bits are byte swapped.
Workaround this by always enforcing wordsize 8 for words
> 8 bits. Unfortunately this will not work for LSB transfers
where wordsize is > 8 bits so disable these for now.

Also move the different quirks into its own function to keep
mpc8xxx_spi_setup_transfer() sane.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/spi_mpc8xxx.c | 109 ++++++++++++++++++++++++++------------
 1 file changed, 74 insertions(+), 35 deletions(-)

diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c
index 0dfc482bbff..66517ce750f 100644
--- a/drivers/spi/spi_mpc8xxx.c
+++ b/drivers/spi/spi_mpc8xxx.c
@@ -286,11 +286,75 @@ static void mpc8xxx_spi_chipselect(struct spi_device *spi, int value)
 	}
 }
 
+static int
+mspi_apply_cpu_mode_quirks(struct spi_mpc8xxx_cs *cs,
+			   struct spi_device *spi,
+			   struct mpc8xxx_spi *mpc8xxx_spi,
+			   int bits_per_word)
+{
+	cs->rx_shift = 0;
+	cs->tx_shift = 0;
+	if (bits_per_word <= 8) {
+		cs->get_rx = mpc8xxx_spi_rx_buf_u8;
+		cs->get_tx = mpc8xxx_spi_tx_buf_u8;
+		if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE) {
+			cs->rx_shift = 16;
+			cs->tx_shift = 24;
+		}
+	} else if (bits_per_word <= 16) {
+		cs->get_rx = mpc8xxx_spi_rx_buf_u16;
+		cs->get_tx = mpc8xxx_spi_tx_buf_u16;
+		if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE) {
+			cs->rx_shift = 16;
+			cs->tx_shift = 16;
+		}
+	} else if (bits_per_word <= 32) {
+		cs->get_rx = mpc8xxx_spi_rx_buf_u32;
+		cs->get_tx = mpc8xxx_spi_tx_buf_u32;
+	} else
+		return -EINVAL;
+
+	if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE &&
+	    spi->mode & SPI_LSB_FIRST) {
+		cs->tx_shift = 0;
+		if (bits_per_word <= 8)
+			cs->rx_shift = 8;
+		else
+			cs->rx_shift = 0;
+	}
+	mpc8xxx_spi->rx_shift = cs->rx_shift;
+	mpc8xxx_spi->tx_shift = cs->tx_shift;
+	mpc8xxx_spi->get_rx = cs->get_rx;
+	mpc8xxx_spi->get_tx = cs->get_tx;
+
+	return bits_per_word;
+}
+
+static int
+mspi_apply_qe_mode_quirks(struct spi_mpc8xxx_cs *cs,
+			  struct spi_device *spi,
+			  int bits_per_word)
+{
+	/* QE uses Little Endian for words > 8
+	 * so transform all words > 8 into 8 bits
+	 * Unfortnatly that doesn't work for LSB so
+	 * reject these for now */
+	/* Note: 32 bits word, LSB works iff
+	 * tfcr/rfcr is set to CPMFCR_GBL */
+	if (spi->mode & SPI_LSB_FIRST &&
+	    bits_per_word > 8)
+		return -EINVAL;
+	if (bits_per_word > 8)
+		return 8; /* pretend its 8 bits */
+	return bits_per_word;
+}
+
 static
 int mpc8xxx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 {
 	struct mpc8xxx_spi *mpc8xxx_spi;
-	u8 bits_per_word, pm;
+	int bits_per_word;
+	u8 pm;
 	u32 hz;
 	struct spi_mpc8xxx_cs	*cs = spi->controller_state;
 
@@ -316,41 +380,16 @@ int mpc8xxx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 	if (!hz)
 		hz = spi->max_speed_hz;
 
-	cs->rx_shift = 0;
-	cs->tx_shift = 0;
-	if (bits_per_word <= 8) {
-		cs->get_rx = mpc8xxx_spi_rx_buf_u8;
-		cs->get_tx = mpc8xxx_spi_tx_buf_u8;
-		if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE) {
-			cs->rx_shift = 16;
-			cs->tx_shift = 24;
-		}
-	} else if (bits_per_word <= 16) {
-		cs->get_rx = mpc8xxx_spi_rx_buf_u16;
-		cs->get_tx = mpc8xxx_spi_tx_buf_u16;
-		if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE) {
-			cs->rx_shift = 16;
-			cs->tx_shift = 16;
-		}
-	} else if (bits_per_word <= 32) {
-		cs->get_rx = mpc8xxx_spi_rx_buf_u32;
-		cs->get_tx = mpc8xxx_spi_tx_buf_u32;
-	} else
-		return -EINVAL;
+	if (!(mpc8xxx_spi->flags & SPI_CPM_MODE))
+		bits_per_word = mspi_apply_cpu_mode_quirks(cs, spi,
+							   mpc8xxx_spi,
+							   bits_per_word);
+	else if (mpc8xxx_spi->flags & SPI_QE)
+		bits_per_word = mspi_apply_qe_mode_quirks(cs, spi,
+							  bits_per_word);
 
-	if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE &&
-			spi->mode & SPI_LSB_FIRST) {
-		cs->tx_shift = 0;
-		if (bits_per_word <= 8)
-			cs->rx_shift = 8;
-		else
-			cs->rx_shift = 0;
-	}
-
-	mpc8xxx_spi->rx_shift = cs->rx_shift;
-	mpc8xxx_spi->tx_shift = cs->tx_shift;
-	mpc8xxx_spi->get_rx = cs->get_rx;
-	mpc8xxx_spi->get_tx = cs->get_tx;
+	if (bits_per_word < 0)
+		return bits_per_word;
 
 	if (bits_per_word == 32)
 		bits_per_word = 0;

From 338ff2982d969a8e09ca356552cb5022ad380766 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Date: Mon, 17 May 2010 13:17:10 +0000
Subject: [PATCH 2907/3638] spi/spi_mpc8xxx: Do not use map_tx_dma to unmap
 rx_dma

This fixes a typo were map_tx_dma is used instead of
map_rx_dma, casing the driver to unmap rx_dma when it
shouldn't.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/spi_mpc8xxx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c
index 66517ce750f..6e7aabe8db1 100644
--- a/drivers/spi/spi_mpc8xxx.c
+++ b/drivers/spi/spi_mpc8xxx.c
@@ -515,7 +515,7 @@ static void mpc8xxx_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi)
 
 	if (mspi->map_tx_dma)
 		dma_unmap_single(dev, mspi->tx_dma, t->len, DMA_TO_DEVICE);
-	if (mspi->map_tx_dma)
+	if (mspi->map_rx_dma)
 		dma_unmap_single(dev, mspi->rx_dma, t->len, DMA_FROM_DEVICE);
 	mspi->xfer_in_progress = NULL;
 }

From 556f4aeb7d9dfac8573d0281dd555bd3210d8366 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Wed, 5 May 2010 09:28:15 +0000
Subject: [PATCH 2908/3638] spi/pl022: fix up differences between ARM and ST
 versions

The PL022 SPI driver did not cleanly separate between the
original unmodified ARM version and the ST Microelectronics
versions. Split this more cleanly and fix some whitespace
moaning from checkpatch at the same time.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/amba-pl022.c   | 178 +++++++++++++++++++++++++------------
 include/linux/amba/pl022.h |   4 +-
 2 files changed, 125 insertions(+), 57 deletions(-)

diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index e9aeee16d92..65092171cec 100644
--- a/drivers/spi/amba-pl022.c
+++ b/drivers/spi/amba-pl022.c
@@ -102,13 +102,21 @@
 /*
  * SSP Control Register 0  - SSP_CR0
  */
-#define SSP_CR0_MASK_DSS	(0x1FUL << 0)
-#define SSP_CR0_MASK_HALFDUP	(0x1UL << 5)
+#define SSP_CR0_MASK_DSS	(0x0FUL << 0)
+#define SSP_CR0_MASK_FRF	(0x3UL << 4)
 #define SSP_CR0_MASK_SPO	(0x1UL << 6)
 #define SSP_CR0_MASK_SPH	(0x1UL << 7)
 #define SSP_CR0_MASK_SCR	(0xFFUL << 8)
-#define SSP_CR0_MASK_CSS	(0x1FUL << 16)
-#define SSP_CR0_MASK_FRF	(0x3UL << 21)
+
+/*
+ * The ST version of this block moves som bits
+ * in SSP_CR0 and extends it to 32 bits
+ */
+#define SSP_CR0_MASK_DSS_ST	(0x1FUL << 0)
+#define SSP_CR0_MASK_HALFDUP_ST	(0x1UL << 5)
+#define SSP_CR0_MASK_CSS_ST	(0x1FUL << 16)
+#define SSP_CR0_MASK_FRF_ST	(0x3UL << 21)
+
 
 /*
  * SSP Control Register 0  - SSP_CR1
@@ -117,16 +125,16 @@
 #define SSP_CR1_MASK_SSE	(0x1UL << 1)
 #define SSP_CR1_MASK_MS		(0x1UL << 2)
 #define SSP_CR1_MASK_SOD	(0x1UL << 3)
-#define SSP_CR1_MASK_RENDN	(0x1UL << 4)
-#define SSP_CR1_MASK_TENDN	(0x1UL << 5)
-#define SSP_CR1_MASK_MWAIT	(0x1UL << 6)
-#define SSP_CR1_MASK_RXIFLSEL	(0x7UL << 7)
-#define SSP_CR1_MASK_TXIFLSEL	(0x7UL << 10)
 
 /*
- * SSP Data Register - SSP_DR
+ * The ST version of this block adds some bits
+ * in SSP_CR1
  */
-#define SSP_DR_MASK_DATA	0xFFFFFFFF
+#define SSP_CR1_MASK_RENDN_ST	(0x1UL << 4)
+#define SSP_CR1_MASK_TENDN_ST	(0x1UL << 5)
+#define SSP_CR1_MASK_MWAIT_ST	(0x1UL << 6)
+#define SSP_CR1_MASK_RXIFLSEL_ST (0x7UL << 7)
+#define SSP_CR1_MASK_TXIFLSEL_ST (0x7UL << 10)
 
 /*
  * SSP Status Register - SSP_SR
@@ -134,7 +142,7 @@
 #define SSP_SR_MASK_TFE		(0x1UL << 0) /* Transmit FIFO empty */
 #define SSP_SR_MASK_TNF		(0x1UL << 1) /* Transmit FIFO not full */
 #define SSP_SR_MASK_RNE		(0x1UL << 2) /* Receive FIFO not empty */
-#define SSP_SR_MASK_RFF 	(0x1UL << 3) /* Receive FIFO full */
+#define SSP_SR_MASK_RFF		(0x1UL << 3) /* Receive FIFO full */
 #define SSP_SR_MASK_BSY		(0x1UL << 4) /* Busy Flag */
 
 /*
@@ -227,7 +235,7 @@
 /*
  * SSP Test Data Register - SSP_TDR
  */
-#define TDR_MASK_TESTDATA 		(0xFFFFFFFF)
+#define TDR_MASK_TESTDATA		(0xFFFFFFFF)
 
 /*
  * Message State
@@ -235,33 +243,33 @@
  * hold a single state value, that's why all this
  * (void *) casting is done here.
  */
-#define STATE_START                     ((void *) 0)
-#define STATE_RUNNING                   ((void *) 1)
-#define STATE_DONE                      ((void *) 2)
-#define STATE_ERROR                     ((void *) -1)
+#define STATE_START			((void *) 0)
+#define STATE_RUNNING			((void *) 1)
+#define STATE_DONE			((void *) 2)
+#define STATE_ERROR			((void *) -1)
 
 /*
  * Queue State
  */
-#define QUEUE_RUNNING                   (0)
-#define QUEUE_STOPPED                   (1)
+#define QUEUE_RUNNING			(0)
+#define QUEUE_STOPPED			(1)
 /*
  * SSP State - Whether Enabled or Disabled
  */
-#define SSP_DISABLED 			(0)
-#define SSP_ENABLED 			(1)
+#define SSP_DISABLED			(0)
+#define SSP_ENABLED			(1)
 
 /*
  * SSP DMA State - Whether DMA Enabled or Disabled
  */
-#define SSP_DMA_DISABLED 		(0)
-#define SSP_DMA_ENABLED 		(1)
+#define SSP_DMA_DISABLED		(0)
+#define SSP_DMA_ENABLED			(1)
 
 /*
  * SSP Clock Defaults
  */
-#define NMDK_SSP_DEFAULT_CLKRATE 0x2
-#define NMDK_SSP_DEFAULT_PRESCALE 0x40
+#define SSP_DEFAULT_CLKRATE 0x2
+#define SSP_DEFAULT_PRESCALE 0x40
 
 /*
  * SSP Clock Parameter ranges
@@ -307,16 +315,20 @@ enum ssp_writing {
  * @fifodepth: depth of FIFOs (both)
  * @max_bpw: maximum number of bits per word
  * @unidir: supports unidirection transfers
+ * @extended_cr: 32 bit wide control register 0 with extra
+ * features and extra features in CR1 as found in the ST variants
  */
 struct vendor_data {
 	int fifodepth;
 	int max_bpw;
 	bool unidir;
+	bool extended_cr;
 };
 
 /**
  * struct pl022 - This is the private SSP driver data structure
  * @adev: AMBA device model hookup
+ * @vendor: Vendor data for the IP block
  * @phybase: The physical memory where the SSP device resides
  * @virtbase: The virtual memory where the SSP is mapped
  * @master: SPI framework hookup
@@ -369,7 +381,8 @@ struct pl022 {
 
 /**
  * struct chip_data - To maintain runtime state of SSP for each client chip
- * @cr0: Value of control register CR0 of SSP
+ * @cr0: Value of control register CR0 of SSP - on later ST variants this
+ *       register is 32 bits wide rather than just 16
  * @cr1: Value of control register CR1 of SSP
  * @dmacr: Value of DMA control Register of SSP
  * @cpsr: Value of Clock prescale register
@@ -384,7 +397,7 @@ struct pl022 {
  * This would be set according to the current message that would be served
  */
 struct chip_data {
-	u16 cr0;
+	u32 cr0;
 	u16 cr1;
 	u16 dmacr;
 	u16 cpsr;
@@ -517,7 +530,10 @@ static void restore_state(struct pl022 *pl022)
 {
 	struct chip_data *chip = pl022->cur_chip;
 
-	writew(chip->cr0, SSP_CR0(pl022->virtbase));
+	if (pl022->vendor->extended_cr)
+		writel(chip->cr0, SSP_CR0(pl022->virtbase));
+	else
+		writew(chip->cr0, SSP_CR0(pl022->virtbase));
 	writew(chip->cr1, SSP_CR1(pl022->virtbase));
 	writew(chip->dmacr, SSP_DMACR(pl022->virtbase));
 	writew(chip->cpsr, SSP_CPSR(pl022->virtbase));
@@ -535,28 +551,43 @@ static void restore_state(struct pl022 *pl022)
  */
 #define DEFAULT_SSP_REG_CR0 ( \
 	GEN_MASK_BITS(SSP_DATA_BITS_12, SSP_CR0_MASK_DSS, 0)	| \
-	GEN_MASK_BITS(SSP_MICROWIRE_CHANNEL_FULL_DUPLEX, SSP_CR0_MASK_HALFDUP, 5) | \
+	GEN_MASK_BITS(SSP_INTERFACE_MOTOROLA_SPI, SSP_CR0_MASK_FRF, 4) | \
 	GEN_MASK_BITS(SSP_CLK_POL_IDLE_LOW, SSP_CR0_MASK_SPO, 6) | \
 	GEN_MASK_BITS(SSP_CLK_SECOND_EDGE, SSP_CR0_MASK_SPH, 7) | \
-	GEN_MASK_BITS(NMDK_SSP_DEFAULT_CLKRATE, SSP_CR0_MASK_SCR, 8) | \
-	GEN_MASK_BITS(SSP_BITS_8, SSP_CR0_MASK_CSS, 16)	| \
-	GEN_MASK_BITS(SSP_INTERFACE_MOTOROLA_SPI, SSP_CR0_MASK_FRF, 21) \
+	GEN_MASK_BITS(SSP_DEFAULT_CLKRATE, SSP_CR0_MASK_SCR, 8) \
+)
+
+/* ST versions have slightly different bit layout */
+#define DEFAULT_SSP_REG_CR0_ST ( \
+	GEN_MASK_BITS(SSP_DATA_BITS_12, SSP_CR0_MASK_DSS_ST, 0)	| \
+	GEN_MASK_BITS(SSP_MICROWIRE_CHANNEL_FULL_DUPLEX, SSP_CR0_MASK_HALFDUP_ST, 5) | \
+	GEN_MASK_BITS(SSP_CLK_POL_IDLE_LOW, SSP_CR0_MASK_SPO, 6) | \
+	GEN_MASK_BITS(SSP_CLK_SECOND_EDGE, SSP_CR0_MASK_SPH, 7) | \
+	GEN_MASK_BITS(SSP_DEFAULT_CLKRATE, SSP_CR0_MASK_SCR, 8) | \
+	GEN_MASK_BITS(SSP_BITS_8, SSP_CR0_MASK_CSS_ST, 16)	| \
+	GEN_MASK_BITS(SSP_INTERFACE_MOTOROLA_SPI, SSP_CR0_MASK_FRF_ST, 21) \
 )
 
 #define DEFAULT_SSP_REG_CR1 ( \
 	GEN_MASK_BITS(LOOPBACK_DISABLED, SSP_CR1_MASK_LBM, 0) | \
 	GEN_MASK_BITS(SSP_DISABLED, SSP_CR1_MASK_SSE, 1) | \
 	GEN_MASK_BITS(SSP_MASTER, SSP_CR1_MASK_MS, 2) | \
-	GEN_MASK_BITS(DO_NOT_DRIVE_TX, SSP_CR1_MASK_SOD, 3) | \
-	GEN_MASK_BITS(SSP_RX_MSB, SSP_CR1_MASK_RENDN, 4) | \
-	GEN_MASK_BITS(SSP_TX_MSB, SSP_CR1_MASK_TENDN, 5) | \
-	GEN_MASK_BITS(SSP_MWIRE_WAIT_ZERO, SSP_CR1_MASK_MWAIT, 6) |\
-	GEN_MASK_BITS(SSP_RX_1_OR_MORE_ELEM, SSP_CR1_MASK_RXIFLSEL, 7) | \
-	GEN_MASK_BITS(SSP_TX_1_OR_MORE_EMPTY_LOC, SSP_CR1_MASK_TXIFLSEL, 10) \
+	GEN_MASK_BITS(DO_NOT_DRIVE_TX, SSP_CR1_MASK_SOD, 3) \
 )
 
+/* ST versions extend this register to use all 16 bits */
+#define DEFAULT_SSP_REG_CR1_ST ( \
+	DEFAULT_SSP_REG_CR1 | \
+	GEN_MASK_BITS(SSP_RX_MSB, SSP_CR1_MASK_RENDN_ST, 4) | \
+	GEN_MASK_BITS(SSP_TX_MSB, SSP_CR1_MASK_TENDN_ST, 5) | \
+	GEN_MASK_BITS(SSP_MWIRE_WAIT_ZERO, SSP_CR1_MASK_MWAIT_ST, 6) |\
+	GEN_MASK_BITS(SSP_RX_1_OR_MORE_ELEM, SSP_CR1_MASK_RXIFLSEL_ST, 7) | \
+	GEN_MASK_BITS(SSP_TX_1_OR_MORE_EMPTY_LOC, SSP_CR1_MASK_TXIFLSEL_ST, 10) \
+)
+
+
 #define DEFAULT_SSP_REG_CPSR ( \
-	GEN_MASK_BITS(NMDK_SSP_DEFAULT_PRESCALE, SSP_CPSR_MASK_CPSDVSR, 0) \
+	GEN_MASK_BITS(SSP_DEFAULT_PRESCALE, SSP_CPSR_MASK_CPSDVSR, 0) \
 )
 
 #define DEFAULT_SSP_REG_DMACR (\
@@ -567,8 +598,13 @@ static void restore_state(struct pl022 *pl022)
 
 static void load_ssp_default_config(struct pl022 *pl022)
 {
-	writew(DEFAULT_SSP_REG_CR0, SSP_CR0(pl022->virtbase));
-	writew(DEFAULT_SSP_REG_CR1, SSP_CR1(pl022->virtbase));
+	if (pl022->vendor->extended_cr) {
+		writel(DEFAULT_SSP_REG_CR0_ST, SSP_CR0(pl022->virtbase));
+		writew(DEFAULT_SSP_REG_CR1_ST, SSP_CR1(pl022->virtbase));
+	} else {
+		writew(DEFAULT_SSP_REG_CR0, SSP_CR0(pl022->virtbase));
+		writew(DEFAULT_SSP_REG_CR1, SSP_CR1(pl022->virtbase));
+	}
 	writew(DEFAULT_SSP_REG_DMACR, SSP_DMACR(pl022->virtbase));
 	writew(DEFAULT_SSP_REG_CPSR, SSP_CPSR(pl022->virtbase));
 	writew(DISABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase));
@@ -1008,7 +1044,7 @@ static void do_polling_transfer(void *data)
 		writew((readw(SSP_CR1(pl022->virtbase)) | SSP_CR1_MASK_SSE),
 		       SSP_CR1(pl022->virtbase));
 
-		dev_dbg(&pl022->adev->dev, "POLLING TRANSFER ONGOING ... \n");
+		dev_dbg(&pl022->adev->dev, "polling transfer ongoing ...\n");
 		/* FIXME: insert a timeout so we don't hang here indefinately */
 		while (pl022->tx < pl022->tx_end || pl022->rx < pl022->rx_end)
 			readwriter(pl022);
@@ -1280,11 +1316,21 @@ static int verify_controller_parameters(struct pl022 *pl022,
 				"Wait State is configured incorrectly\n");
 			return -EINVAL;
 		}
-		if ((chip_info->duplex != SSP_MICROWIRE_CHANNEL_FULL_DUPLEX)
-		    && (chip_info->duplex !=
-			SSP_MICROWIRE_CHANNEL_HALF_DUPLEX)) {
-			dev_err(chip_info->dev,
-				"DUPLEX is configured incorrectly\n");
+		/* Half duplex is only available in the ST Micro version */
+		if (pl022->vendor->extended_cr) {
+			if ((chip_info->duplex !=
+			     SSP_MICROWIRE_CHANNEL_FULL_DUPLEX)
+			    && (chip_info->duplex !=
+				SSP_MICROWIRE_CHANNEL_HALF_DUPLEX))
+				dev_err(chip_info->dev,
+					"Microwire duplex mode is configured incorrectly\n");
+				return -EINVAL;
+		} else {
+			if (chip_info->duplex != SSP_MICROWIRE_CHANNEL_FULL_DUPLEX)
+				dev_err(chip_info->dev,
+					"Microwire half duplex mode requested,"
+					" but this is only available in the"
+					" ST version of PL022\n");
 			return -EINVAL;
 		}
 	}
@@ -1581,22 +1627,40 @@ static int pl022_setup(struct spi_device *spi)
 
 	chip->cpsr = chip_info->clk_freq.cpsdvsr;
 
-	SSP_WRITE_BITS(chip->cr0, chip_info->data_size, SSP_CR0_MASK_DSS, 0);
-	SSP_WRITE_BITS(chip->cr0, chip_info->duplex, SSP_CR0_MASK_HALFDUP, 5);
+	/* Special setup for the ST micro extended control registers */
+	if (pl022->vendor->extended_cr) {
+		SSP_WRITE_BITS(chip->cr0, chip_info->data_size,
+			       SSP_CR0_MASK_DSS_ST, 0);
+		SSP_WRITE_BITS(chip->cr0, chip_info->duplex,
+			       SSP_CR0_MASK_HALFDUP_ST, 5);
+		SSP_WRITE_BITS(chip->cr0, chip_info->ctrl_len,
+			       SSP_CR0_MASK_CSS_ST, 16);
+		SSP_WRITE_BITS(chip->cr0, chip_info->iface,
+			       SSP_CR0_MASK_FRF_ST, 21);
+		SSP_WRITE_BITS(chip->cr1, chip_info->endian_rx,
+			       SSP_CR1_MASK_RENDN_ST, 4);
+		SSP_WRITE_BITS(chip->cr1, chip_info->endian_tx,
+			       SSP_CR1_MASK_TENDN_ST, 5);
+		SSP_WRITE_BITS(chip->cr1, chip_info->wait_state,
+			       SSP_CR1_MASK_MWAIT_ST, 6);
+		SSP_WRITE_BITS(chip->cr1, chip_info->rx_lev_trig,
+			       SSP_CR1_MASK_RXIFLSEL_ST, 7);
+		SSP_WRITE_BITS(chip->cr1, chip_info->tx_lev_trig,
+			       SSP_CR1_MASK_TXIFLSEL_ST, 10);
+	} else {
+		SSP_WRITE_BITS(chip->cr0, chip_info->data_size,
+			       SSP_CR0_MASK_DSS, 0);
+		SSP_WRITE_BITS(chip->cr0, chip_info->iface,
+			       SSP_CR0_MASK_FRF, 4);
+	}
+	/* Stuff that is common for all versions */
 	SSP_WRITE_BITS(chip->cr0, chip_info->clk_pol, SSP_CR0_MASK_SPO, 6);
 	SSP_WRITE_BITS(chip->cr0, chip_info->clk_phase, SSP_CR0_MASK_SPH, 7);
 	SSP_WRITE_BITS(chip->cr0, chip_info->clk_freq.scr, SSP_CR0_MASK_SCR, 8);
-	SSP_WRITE_BITS(chip->cr0, chip_info->ctrl_len, SSP_CR0_MASK_CSS, 16);
-	SSP_WRITE_BITS(chip->cr0, chip_info->iface, SSP_CR0_MASK_FRF, 21);
 	SSP_WRITE_BITS(chip->cr1, chip_info->lbm, SSP_CR1_MASK_LBM, 0);
 	SSP_WRITE_BITS(chip->cr1, SSP_DISABLED, SSP_CR1_MASK_SSE, 1);
 	SSP_WRITE_BITS(chip->cr1, chip_info->hierarchy, SSP_CR1_MASK_MS, 2);
 	SSP_WRITE_BITS(chip->cr1, chip_info->slave_tx_disable, SSP_CR1_MASK_SOD, 3);
-	SSP_WRITE_BITS(chip->cr1, chip_info->endian_rx, SSP_CR1_MASK_RENDN, 4);
-	SSP_WRITE_BITS(chip->cr1, chip_info->endian_tx, SSP_CR1_MASK_TENDN, 5);
-	SSP_WRITE_BITS(chip->cr1, chip_info->wait_state, SSP_CR1_MASK_MWAIT, 6);
-	SSP_WRITE_BITS(chip->cr1, chip_info->rx_lev_trig, SSP_CR1_MASK_RXIFLSEL, 7);
-	SSP_WRITE_BITS(chip->cr1, chip_info->tx_lev_trig, SSP_CR1_MASK_TXIFLSEL, 10);
 
 	/* Save controller_state */
 	spi_set_ctldata(spi, chip);
@@ -1809,6 +1873,7 @@ static struct vendor_data vendor_arm = {
 	.fifodepth = 8,
 	.max_bpw = 16,
 	.unidir = false,
+	.extended_cr = false,
 };
 
 
@@ -1816,6 +1881,7 @@ static struct vendor_data vendor_st = {
 	.fifodepth = 32,
 	.max_bpw = 32,
 	.unidir = false,
+	.extended_cr = true,
 };
 
 static struct amba_id pl022_ids[] = {
diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h
index e4836c6b3dd..612f3991334 100644
--- a/include/linux/amba/pl022.h
+++ b/include/linux/amba/pl022.h
@@ -71,6 +71,7 @@ struct ssp_clock_params {
 
 /**
  * enum ssp_rx_endian - endianess of Rx FIFO Data
+ * this feature is only available in ST versionf of PL022
  */
 enum ssp_rx_endian {
 	SSP_RX_MSB,
@@ -181,7 +182,8 @@ enum ssp_microwire_wait_state {
 };
 
 /**
- * enum Microwire - whether Full/Half Duplex
+ * enum Microwire - whether Full/Half Duplex, only available
+ * in the ST Micro variant.
  * @SSP_MICROWIRE_CHANNEL_FULL_DUPLEX: SSPTXD becomes bi-directional,
  *     SSPRXD not used
  * @SSP_MICROWIRE_CHANNEL_HALF_DUPLEX: SSPTXD is an output, SSPRXD is

From 781c7b129b1beb876905f7212927aa0ee1b022e5 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Fri, 7 May 2010 08:40:53 +0000
Subject: [PATCH 2909/3638] spi/pl022: add support for the PL023 derivate

This adds support for a further ST variant of the PL022 called
PL023. Some differences in the control registers due to being
stripped down to SPI mode only, and a new clock feedback sample
delay config setting is available.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/amba-pl022.c   | 90 +++++++++++++++++++++++++++++++-------
 include/linux/amba/pl022.h | 32 +++++++++++++-
 2 files changed, 104 insertions(+), 18 deletions(-)

diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index 65092171cec..c75831c1ded 100644
--- a/drivers/spi/amba-pl022.c
+++ b/drivers/spi/amba-pl022.c
@@ -135,6 +135,8 @@
 #define SSP_CR1_MASK_MWAIT_ST	(0x1UL << 6)
 #define SSP_CR1_MASK_RXIFLSEL_ST (0x7UL << 7)
 #define SSP_CR1_MASK_TXIFLSEL_ST (0x7UL << 10)
+/* This one is only in the PL023 variant */
+#define SSP_CR1_MASK_FBCLKDEL_ST (0x7UL << 13)
 
 /*
  * SSP Status Register - SSP_SR
@@ -317,12 +319,14 @@ enum ssp_writing {
  * @unidir: supports unidirection transfers
  * @extended_cr: 32 bit wide control register 0 with extra
  * features and extra features in CR1 as found in the ST variants
+ * @pl023: supports a subset of the ST extensions called "PL023"
  */
 struct vendor_data {
 	int fifodepth;
 	int max_bpw;
 	bool unidir;
 	bool extended_cr;
+	bool pl023;
 };
 
 /**
@@ -541,11 +545,6 @@ static void restore_state(struct pl022 *pl022)
 	writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase));
 }
 
-/**
- * load_ssp_default_config - Load default configuration for SSP
- * @pl022: SSP driver private data structure
- */
-
 /*
  * Default SSP Register Values
  */
@@ -568,6 +567,14 @@ static void restore_state(struct pl022 *pl022)
 	GEN_MASK_BITS(SSP_INTERFACE_MOTOROLA_SPI, SSP_CR0_MASK_FRF_ST, 21) \
 )
 
+/* The PL023 version is slightly different again */
+#define DEFAULT_SSP_REG_CR0_ST_PL023 ( \
+	GEN_MASK_BITS(SSP_DATA_BITS_12, SSP_CR0_MASK_DSS_ST, 0)	| \
+	GEN_MASK_BITS(SSP_CLK_POL_IDLE_LOW, SSP_CR0_MASK_SPO, 6) | \
+	GEN_MASK_BITS(SSP_CLK_SECOND_EDGE, SSP_CR0_MASK_SPH, 7) | \
+	GEN_MASK_BITS(SSP_DEFAULT_CLKRATE, SSP_CR0_MASK_SCR, 8) \
+)
+
 #define DEFAULT_SSP_REG_CR1 ( \
 	GEN_MASK_BITS(LOOPBACK_DISABLED, SSP_CR1_MASK_LBM, 0) | \
 	GEN_MASK_BITS(SSP_DISABLED, SSP_CR1_MASK_SSE, 1) | \
@@ -585,6 +592,20 @@ static void restore_state(struct pl022 *pl022)
 	GEN_MASK_BITS(SSP_TX_1_OR_MORE_EMPTY_LOC, SSP_CR1_MASK_TXIFLSEL_ST, 10) \
 )
 
+/*
+ * The PL023 variant has further differences: no loopback mode, no microwire
+ * support, and a new clock feedback delay setting.
+ */
+#define DEFAULT_SSP_REG_CR1_ST_PL023 ( \
+	GEN_MASK_BITS(SSP_DISABLED, SSP_CR1_MASK_SSE, 1) | \
+	GEN_MASK_BITS(SSP_MASTER, SSP_CR1_MASK_MS, 2) | \
+	GEN_MASK_BITS(DO_NOT_DRIVE_TX, SSP_CR1_MASK_SOD, 3) | \
+	GEN_MASK_BITS(SSP_RX_MSB, SSP_CR1_MASK_RENDN_ST, 4) | \
+	GEN_MASK_BITS(SSP_TX_MSB, SSP_CR1_MASK_TENDN_ST, 5) | \
+	GEN_MASK_BITS(SSP_RX_1_OR_MORE_ELEM, SSP_CR1_MASK_RXIFLSEL_ST, 7) | \
+	GEN_MASK_BITS(SSP_TX_1_OR_MORE_EMPTY_LOC, SSP_CR1_MASK_TXIFLSEL_ST, 10) | \
+	GEN_MASK_BITS(SSP_FEEDBACK_CLK_DELAY_NONE, SSP_CR1_MASK_FBCLKDEL_ST, 13) \
+)
 
 #define DEFAULT_SSP_REG_CPSR ( \
 	GEN_MASK_BITS(SSP_DEFAULT_PRESCALE, SSP_CPSR_MASK_CPSDVSR, 0) \
@@ -595,10 +616,16 @@ static void restore_state(struct pl022 *pl022)
 	GEN_MASK_BITS(SSP_DMA_DISABLED, SSP_DMACR_MASK_TXDMAE, 1) \
 )
 
-
+/**
+ * load_ssp_default_config - Load default configuration for SSP
+ * @pl022: SSP driver private data structure
+ */
 static void load_ssp_default_config(struct pl022 *pl022)
 {
-	if (pl022->vendor->extended_cr) {
+	if (pl022->vendor->pl023) {
+		writel(DEFAULT_SSP_REG_CR0_ST_PL023, SSP_CR0(pl022->virtbase));
+		writew(DEFAULT_SSP_REG_CR1_ST_PL023, SSP_CR1(pl022->virtbase));
+	} else if (pl022->vendor->extended_cr) {
 		writel(DEFAULT_SSP_REG_CR0_ST, SSP_CR0(pl022->virtbase));
 		writew(DEFAULT_SSP_REG_CR1_ST, SSP_CR1(pl022->virtbase));
 	} else {
@@ -1629,20 +1656,27 @@ static int pl022_setup(struct spi_device *spi)
 
 	/* Special setup for the ST micro extended control registers */
 	if (pl022->vendor->extended_cr) {
+		if (pl022->vendor->pl023) {
+			/* These bits are only in the PL023 */
+			SSP_WRITE_BITS(chip->cr1, chip_info->clkdelay,
+				       SSP_CR1_MASK_FBCLKDEL_ST, 13);
+		} else {
+			/* These bits are in the PL022 but not PL023 */
+			SSP_WRITE_BITS(chip->cr0, chip_info->duplex,
+				       SSP_CR0_MASK_HALFDUP_ST, 5);
+			SSP_WRITE_BITS(chip->cr0, chip_info->ctrl_len,
+				       SSP_CR0_MASK_CSS_ST, 16);
+			SSP_WRITE_BITS(chip->cr0, chip_info->iface,
+				       SSP_CR0_MASK_FRF_ST, 21);
+			SSP_WRITE_BITS(chip->cr1, chip_info->wait_state,
+				       SSP_CR1_MASK_MWAIT_ST, 6);
+		}
 		SSP_WRITE_BITS(chip->cr0, chip_info->data_size,
 			       SSP_CR0_MASK_DSS_ST, 0);
-		SSP_WRITE_BITS(chip->cr0, chip_info->duplex,
-			       SSP_CR0_MASK_HALFDUP_ST, 5);
-		SSP_WRITE_BITS(chip->cr0, chip_info->ctrl_len,
-			       SSP_CR0_MASK_CSS_ST, 16);
-		SSP_WRITE_BITS(chip->cr0, chip_info->iface,
-			       SSP_CR0_MASK_FRF_ST, 21);
 		SSP_WRITE_BITS(chip->cr1, chip_info->endian_rx,
 			       SSP_CR1_MASK_RENDN_ST, 4);
 		SSP_WRITE_BITS(chip->cr1, chip_info->endian_tx,
 			       SSP_CR1_MASK_TENDN_ST, 5);
-		SSP_WRITE_BITS(chip->cr1, chip_info->wait_state,
-			       SSP_CR1_MASK_MWAIT_ST, 6);
 		SSP_WRITE_BITS(chip->cr1, chip_info->rx_lev_trig,
 			       SSP_CR1_MASK_RXIFLSEL_ST, 7);
 		SSP_WRITE_BITS(chip->cr1, chip_info->tx_lev_trig,
@@ -1657,7 +1691,9 @@ static int pl022_setup(struct spi_device *spi)
 	SSP_WRITE_BITS(chip->cr0, chip_info->clk_pol, SSP_CR0_MASK_SPO, 6);
 	SSP_WRITE_BITS(chip->cr0, chip_info->clk_phase, SSP_CR0_MASK_SPH, 7);
 	SSP_WRITE_BITS(chip->cr0, chip_info->clk_freq.scr, SSP_CR0_MASK_SCR, 8);
-	SSP_WRITE_BITS(chip->cr1, chip_info->lbm, SSP_CR1_MASK_LBM, 0);
+	/* Loopback is available on all versions except PL023 */
+	if (!pl022->vendor->pl023)
+		SSP_WRITE_BITS(chip->cr1, chip_info->lbm, SSP_CR1_MASK_LBM, 0);
 	SSP_WRITE_BITS(chip->cr1, SSP_DISABLED, SSP_CR1_MASK_SSE, 1);
 	SSP_WRITE_BITS(chip->cr1, chip_info->hierarchy, SSP_CR1_MASK_MS, 2);
 	SSP_WRITE_BITS(chip->cr1, chip_info->slave_tx_disable, SSP_CR1_MASK_SOD, 3);
@@ -1874,6 +1910,7 @@ static struct vendor_data vendor_arm = {
 	.max_bpw = 16,
 	.unidir = false,
 	.extended_cr = false,
+	.pl023 = false,
 };
 
 
@@ -1882,6 +1919,15 @@ static struct vendor_data vendor_st = {
 	.max_bpw = 32,
 	.unidir = false,
 	.extended_cr = true,
+	.pl023 = false,
+};
+
+static struct vendor_data vendor_st_pl023 = {
+	.fifodepth = 32,
+	.max_bpw = 32,
+	.unidir = false,
+	.extended_cr = true,
+	.pl023 = true,
 };
 
 static struct amba_id pl022_ids[] = {
@@ -1903,6 +1949,18 @@ static struct amba_id pl022_ids[] = {
 		.mask	= 0xffffffff,
 		.data	= &vendor_st,
 	},
+	{
+		/*
+		 * ST-Ericsson derivative "PL023" (this is not
+		 * an official ARM number), this is a PL022 SSP block
+		 * stripped to SPI mode only, it has 32bit wide
+		 * and 32 locations deep TX/RX FIFO but no extended
+		 * CR0/CR1 register
+		 */
+		.id     = 0x00080023,
+		.mask   = 0xffffffff,
+		.data   = &vendor_st_pl023,
+	},
 	{ 0, 0 },
 };
 
diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h
index 612f3991334..abf26cc47a2 100644
--- a/include/linux/amba/pl022.h
+++ b/include/linux/amba/pl022.h
@@ -182,8 +182,8 @@ enum ssp_microwire_wait_state {
 };
 
 /**
- * enum Microwire - whether Full/Half Duplex, only available
- * in the ST Micro variant.
+ * enum ssp_duplex - whether Full/Half Duplex on microwire, only
+ * available in the ST Micro variant.
  * @SSP_MICROWIRE_CHANNEL_FULL_DUPLEX: SSPTXD becomes bi-directional,
  *     SSPRXD not used
  * @SSP_MICROWIRE_CHANNEL_HALF_DUPLEX: SSPTXD is an output, SSPRXD is
@@ -194,6 +194,31 @@ enum ssp_duplex {
 	SSP_MICROWIRE_CHANNEL_HALF_DUPLEX
 };
 
+/**
+ * enum ssp_clkdelay - an optional clock delay on the feedback clock
+ * only available in the ST Micro PL023 variant.
+ * @SSP_FEEDBACK_CLK_DELAY_NONE: no delay, the data coming in from the
+ * slave is sampled directly
+ * @SSP_FEEDBACK_CLK_DELAY_1T: the incoming slave data is sampled with
+ * a delay of T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_2T: dito with a delay if 2T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_3T: dito with a delay if 3T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_4T: dito with a delay if 4T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_5T: dito with a delay if 5T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_6T: dito with a delay if 6T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_7T: dito with a delay if 7T-dt
+ */
+enum ssp_clkdelay {
+	SSP_FEEDBACK_CLK_DELAY_NONE,
+	SSP_FEEDBACK_CLK_DELAY_1T,
+	SSP_FEEDBACK_CLK_DELAY_2T,
+	SSP_FEEDBACK_CLK_DELAY_3T,
+	SSP_FEEDBACK_CLK_DELAY_4T,
+	SSP_FEEDBACK_CLK_DELAY_5T,
+	SSP_FEEDBACK_CLK_DELAY_6T,
+	SSP_FEEDBACK_CLK_DELAY_7T
+};
+
 /**
  * CHIP select/deselect commands
  */
@@ -237,6 +262,8 @@ struct pl022_ssp_controller {
  * @ctrl_len: Microwire interface: Control length
  * @wait_state: Microwire interface: Wait state
  * @duplex: Microwire interface: Full/Half duplex
+ * @clkdelay: on the PL023 variant, the delay in feeback clock cycles
+ * before sampling the incoming line
  * @cs_control: function pointer to board-specific function to
  * assert/deassert I/O port to control HW generation of devices chip-select.
  * @dma_xfer_type: Type of DMA xfer (Mem-to-periph or Periph-to-Periph)
@@ -260,6 +287,7 @@ struct pl022_config_chip {
 	enum ssp_microwire_ctrl_len ctrl_len;
 	enum ssp_microwire_wait_state wait_state;
 	enum ssp_duplex duplex;
+	enum ssp_clkdelay clkdelay;
 	void (*cs_control) (u32 control);
 };
 

From 4a12404ddaa06e8ec5e2c0d8ece4d821281e6024 Mon Sep 17 00:00:00 2001
From: Grzegorz Sygieda <grzegorz.sygieda@tieto.com>
Date: Thu, 20 May 2010 22:28:30 +0000
Subject: [PATCH 2910/3638] spi/pl022: fix stop queue procedure

This fix prevents queue being marked as "stopped", if data exists
in the queue list.

Signed-off-by: Grzegorz Sygieda <grzegorz.sygieda@tieto.com>
Signed-off-by: Lukasz Baj <lukasz.baj@tieto.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/amba-pl022.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index c75831c1ded..f0a1418ce66 100644
--- a/drivers/spi/amba-pl022.c
+++ b/drivers/spi/amba-pl022.c
@@ -1211,7 +1211,6 @@ static int stop_queue(struct pl022 *pl022)
 	 * A wait_queue on the pl022->busy could be used, but then the common
 	 * execution path (pump_messages) would be required to call wake_up or
 	 * friends on every SPI message. Do this instead */
-	pl022->run = QUEUE_STOPPED;
 	while (!list_empty(&pl022->queue) && pl022->busy && limit--) {
 		spin_unlock_irqrestore(&pl022->queue_lock, flags);
 		msleep(10);
@@ -1220,6 +1219,7 @@ static int stop_queue(struct pl022 *pl022)
 
 	if (!list_empty(&pl022->queue) || pl022->busy)
 		status = -EBUSY;
+	else pl022->run = QUEUE_STOPPED;
 
 	spin_unlock_irqrestore(&pl022->queue_lock, flags);
 

From 8b66c13474e1683d53255f3b2948231b61cdaefd Mon Sep 17 00:00:00 2001
From: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Date: Mon, 12 Apr 2010 09:07:54 +0000
Subject: [PATCH 2911/3638] spi/omap2_mcspi: change default DMA_MIN_BYTES value
 to 160

The value 160 has been obtained as optimal in testing it for
wl1271 which use spi for communication.
In some sense this change might also influence on other spi devices
connected to omap2_mcspi controller.

Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/omap2_mcspi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index e0de0d0eede..e6d08b84415 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -113,7 +113,7 @@ struct omap2_mcspi_dma {
 /* use PIO for small transfers, avoiding DMA setup/teardown overhead and
  * cache operations; better heuristics consider wordsize and bitrate.
  */
-#define DMA_MIN_BYTES			8
+#define DMA_MIN_BYTES			160
 
 
 struct omap2_mcspi {

From 4743a0f88c4000dfa3c422ecc4d750d3a3410550 Mon Sep 17 00:00:00 2001
From: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Date: Tue, 13 Apr 2010 10:41:51 +0000
Subject: [PATCH 2912/3638] spi/omap2_mcspi: add turbo mode support

Turbo mode allows to read data to shift register when rx-buffer
is full thus improving the perfomance. This feature is available
for RX-only mode.

In PIO turbo mode when the penultimate word is available
in RX-buffer the controller should be disabled before reading data
to prevent the next transaction triggering. The controller itself
handles the last word to be correctly loaded to shift-register and
then transferred to RX-buffer.

The turbo mode is enabled by setting turbo_mode parameter to 1.
This parameter is a part of omap2_mcspi_device_config structure
which is passed through the spi_device controller_data pointer.

Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/omap2_mcspi.c | 132 ++++++++++++++++++++++++++++++++------
 1 file changed, 111 insertions(+), 21 deletions(-)

diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index e6d08b84415..6df85537bd1 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -38,7 +38,7 @@
 
 #include <plat/dma.h>
 #include <plat/clock.h>
-
+#include <plat/mcspi.h>
 
 #define OMAP2_MCSPI_MAX_FREQ		48000000
 
@@ -229,6 +229,8 @@ static void omap2_mcspi_set_enable(const struct spi_device *spi, int enable)
 
 	l = enable ? OMAP2_MCSPI_CHCTRL_EN : 0;
 	mcspi_write_cs_reg(spi, OMAP2_MCSPI_CHCTRL0, l);
+	/* Flash post-writes */
+	mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHCTRL0);
 }
 
 static void omap2_mcspi_force_cs(struct spi_device *spi, int cs_active)
@@ -303,11 +305,14 @@ omap2_mcspi_txrx_dma(struct spi_device *spi, struct spi_transfer *xfer)
 	unsigned int		count, c;
 	unsigned long		base, tx_reg, rx_reg;
 	int			word_len, data_type, element_count;
+	int			elements;
+	u32			l;
 	u8			* rx;
 	const u8		* tx;
 
 	mcspi = spi_master_get_devdata(spi->master);
 	mcspi_dma = &mcspi->dma_channels[spi->chip_select];
+	l = mcspi_cached_chconf0(spi);
 
 	count = xfer->len;
 	c = count;
@@ -346,8 +351,12 @@ omap2_mcspi_txrx_dma(struct spi_device *spi, struct spi_transfer *xfer)
 	}
 
 	if (rx != NULL) {
+		elements = element_count - 1;
+		if (l & OMAP2_MCSPI_CHCONF_TURBO)
+			elements--;
+
 		omap_set_dma_transfer_params(mcspi_dma->dma_rx_channel,
-				data_type, element_count - 1, 1,
+				data_type, elements, 1,
 				OMAP_DMA_SYNC_ELEMENT,
 				mcspi_dma->dma_rx_sync_dev, 1);
 
@@ -379,17 +388,42 @@ omap2_mcspi_txrx_dma(struct spi_device *spi, struct spi_transfer *xfer)
 		wait_for_completion(&mcspi_dma->dma_rx_completion);
 		dma_unmap_single(NULL, xfer->rx_dma, count, DMA_FROM_DEVICE);
 		omap2_mcspi_set_enable(spi, 0);
+
+		if (l & OMAP2_MCSPI_CHCONF_TURBO) {
+
+			if (likely(mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHSTAT0)
+				   & OMAP2_MCSPI_CHSTAT_RXS)) {
+				u32 w;
+
+				w = mcspi_read_cs_reg(spi, OMAP2_MCSPI_RX0);
+				if (word_len <= 8)
+					((u8 *)xfer->rx_buf)[elements++] = w;
+				else if (word_len <= 16)
+					((u16 *)xfer->rx_buf)[elements++] = w;
+				else /* word_len <= 32 */
+					((u32 *)xfer->rx_buf)[elements++] = w;
+			} else {
+				dev_err(&spi->dev,
+					"DMA RX penultimate word empty");
+				count -= (word_len <= 8)  ? 2 :
+					(word_len <= 16) ? 4 :
+					/* word_len <= 32 */ 8;
+				omap2_mcspi_set_enable(spi, 1);
+				return count;
+			}
+		}
+
 		if (likely(mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHSTAT0)
 				& OMAP2_MCSPI_CHSTAT_RXS)) {
 			u32 w;
 
 			w = mcspi_read_cs_reg(spi, OMAP2_MCSPI_RX0);
 			if (word_len <= 8)
-				((u8 *)xfer->rx_buf)[element_count - 1] = w;
+				((u8 *)xfer->rx_buf)[elements] = w;
 			else if (word_len <= 16)
-				((u16 *)xfer->rx_buf)[element_count - 1] = w;
+				((u16 *)xfer->rx_buf)[elements] = w;
 			else /* word_len <= 32 */
-				((u32 *)xfer->rx_buf)[element_count - 1] = w;
+				((u32 *)xfer->rx_buf)[elements] = w;
 		} else {
 			dev_err(&spi->dev, "DMA RX last word empty");
 			count -= (word_len <= 8)  ? 1 :
@@ -433,7 +467,6 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
 	word_len = cs->word_len;
 
 	l = mcspi_cached_chconf0(spi);
-	l &= ~OMAP2_MCSPI_CHCONF_TRM_MASK;
 
 	/* We store the pre-calculated register addresses on stack to speed
 	 * up the transfer loop. */
@@ -468,11 +501,26 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
 					dev_err(&spi->dev, "RXS timed out\n");
 					goto out;
 				}
-				/* prevent last RX_ONLY read from triggering
-				 * more word i/o: switch to rx+tx
-				 */
-				if (c == 0 && tx == NULL)
-					mcspi_write_chconf0(spi, l);
+
+				if (c == 1 && tx == NULL &&
+				    (l & OMAP2_MCSPI_CHCONF_TURBO)) {
+					omap2_mcspi_set_enable(spi, 0);
+					*rx++ = __raw_readl(rx_reg);
+#ifdef VERBOSE
+					dev_dbg(&spi->dev, "read-%d %02x\n",
+						    word_len, *(rx - 1));
+#endif
+					if (mcspi_wait_for_reg_bit(chstat_reg,
+						OMAP2_MCSPI_CHSTAT_RXS) < 0) {
+						dev_err(&spi->dev,
+							"RXS timed out\n");
+						goto out;
+					}
+					c = 0;
+				} else if (c == 0 && tx == NULL) {
+					omap2_mcspi_set_enable(spi, 0);
+				}
+
 				*rx++ = __raw_readl(rx_reg);
 #ifdef VERBOSE
 				dev_dbg(&spi->dev, "read-%d %02x\n",
@@ -506,11 +554,26 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
 					dev_err(&spi->dev, "RXS timed out\n");
 					goto out;
 				}
-				/* prevent last RX_ONLY read from triggering
-				 * more word i/o: switch to rx+tx
-				 */
-				if (c == 0 && tx == NULL)
-					mcspi_write_chconf0(spi, l);
+
+				if (c == 2 && tx == NULL &&
+				    (l & OMAP2_MCSPI_CHCONF_TURBO)) {
+					omap2_mcspi_set_enable(spi, 0);
+					*rx++ = __raw_readl(rx_reg);
+#ifdef VERBOSE
+					dev_dbg(&spi->dev, "read-%d %04x\n",
+						    word_len, *(rx - 1));
+#endif
+					if (mcspi_wait_for_reg_bit(chstat_reg,
+						OMAP2_MCSPI_CHSTAT_RXS) < 0) {
+						dev_err(&spi->dev,
+							"RXS timed out\n");
+						goto out;
+					}
+					c = 0;
+				} else if (c == 0 && tx == NULL) {
+					omap2_mcspi_set_enable(spi, 0);
+				}
+
 				*rx++ = __raw_readl(rx_reg);
 #ifdef VERBOSE
 				dev_dbg(&spi->dev, "read-%d %04x\n",
@@ -544,11 +607,26 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
 					dev_err(&spi->dev, "RXS timed out\n");
 					goto out;
 				}
-				/* prevent last RX_ONLY read from triggering
-				 * more word i/o: switch to rx+tx
-				 */
-				if (c == 0 && tx == NULL)
-					mcspi_write_chconf0(spi, l);
+
+				if (c == 4 && tx == NULL &&
+				    (l & OMAP2_MCSPI_CHCONF_TURBO)) {
+					omap2_mcspi_set_enable(spi, 0);
+					*rx++ = __raw_readl(rx_reg);
+#ifdef VERBOSE
+					dev_dbg(&spi->dev, "read-%d %08x\n",
+						    word_len, *(rx - 1));
+#endif
+					if (mcspi_wait_for_reg_bit(chstat_reg,
+						OMAP2_MCSPI_CHSTAT_RXS) < 0) {
+						dev_err(&spi->dev,
+							"RXS timed out\n");
+						goto out;
+					}
+					c = 0;
+				} else if (c == 0 && tx == NULL) {
+					omap2_mcspi_set_enable(spi, 0);
+				}
+
 				*rx++ = __raw_readl(rx_reg);
 #ifdef VERBOSE
 				dev_dbg(&spi->dev, "read-%d %08x\n",
@@ -568,6 +646,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
 			dev_err(&spi->dev, "EOT timed out\n");
 	}
 out:
+	omap2_mcspi_set_enable(spi, 1);
 	return count - c;
 }
 
@@ -797,6 +876,7 @@ static void omap2_mcspi_work(struct work_struct *work)
 		struct spi_transfer		*t = NULL;
 		int				cs_active = 0;
 		struct omap2_mcspi_cs		*cs;
+		struct omap2_mcspi_device_config *cd;
 		int				par_override = 0;
 		int				status = 0;
 		u32				chconf;
@@ -809,6 +889,7 @@ static void omap2_mcspi_work(struct work_struct *work)
 
 		spi = m->spi;
 		cs = spi->controller_state;
+		cd = spi->controller_data;
 
 		omap2_mcspi_set_enable(spi, 1);
 		list_for_each_entry(t, &m->transfers, transfer_list) {
@@ -832,10 +913,19 @@ static void omap2_mcspi_work(struct work_struct *work)
 
 			chconf = mcspi_cached_chconf0(spi);
 			chconf &= ~OMAP2_MCSPI_CHCONF_TRM_MASK;
+			chconf &= ~OMAP2_MCSPI_CHCONF_TURBO;
+
 			if (t->tx_buf == NULL)
 				chconf |= OMAP2_MCSPI_CHCONF_TRM_RX_ONLY;
 			else if (t->rx_buf == NULL)
 				chconf |= OMAP2_MCSPI_CHCONF_TRM_TX_ONLY;
+
+			if (cd && cd->turbo_mode && t->tx_buf == NULL) {
+				/* Turbo mode is for more than one word */
+				if (t->len > ((cs->word_len + 7) >> 3))
+					chconf |= OMAP2_MCSPI_CHCONF_TURBO;
+			}
+
 			mcspi_write_chconf0(spi, chconf);
 
 			if (t->len) {

From 99f1a43f436a6a92d15bddfeb65f3a920c8b88d3 Mon Sep 17 00:00:00 2001
From: Scott Ellis <scott@jumpnowtek.com>
Date: Mon, 24 May 2010 14:20:27 +0000
Subject: [PATCH 2913/3638] spi/omap2_mcspi: Check params before dereference or
 use

Check spi->chip_select for range before use.

Signed-off-by: Scott Ellis <scott@jumpnowtek.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/omap2_mcspi.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 6df85537bd1..b3a94ca0a75 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -834,7 +834,6 @@ static void omap2_mcspi_cleanup(struct spi_device *spi)
 	struct omap2_mcspi_cs	*cs;
 
 	mcspi = spi_master_get_devdata(spi->master);
-	mcspi_dma = &mcspi->dma_channels[spi->chip_select];
 
 	if (spi->controller_state) {
 		/* Unlink controller state from context save list */
@@ -844,13 +843,17 @@ static void omap2_mcspi_cleanup(struct spi_device *spi)
 		kfree(spi->controller_state);
 	}
 
-	if (mcspi_dma->dma_rx_channel != -1) {
-		omap_free_dma(mcspi_dma->dma_rx_channel);
-		mcspi_dma->dma_rx_channel = -1;
-	}
-	if (mcspi_dma->dma_tx_channel != -1) {
-		omap_free_dma(mcspi_dma->dma_tx_channel);
-		mcspi_dma->dma_tx_channel = -1;
+	if (spi->chip_select < spi->master->num_chipselect) {
+		mcspi_dma = &mcspi->dma_channels[spi->chip_select];
+
+		if (mcspi_dma->dma_rx_channel != -1) {
+			omap_free_dma(mcspi_dma->dma_rx_channel);
+			mcspi_dma->dma_rx_channel = -1;
+		}
+		if (mcspi_dma->dma_tx_channel != -1) {
+			omap_free_dma(mcspi_dma->dma_tx_channel);
+			mcspi_dma->dma_tx_channel = -1;
+		}
 	}
 }
 

From 1dcf57ceb461fe2ddeb622fe84d9918aadefe7ba Mon Sep 17 00:00:00 2001
From: Prarit Bhargava <prarit@redhat.com>
Date: Wed, 19 May 2010 19:30:28 +0000
Subject: [PATCH 2914/3638] Documentation/spi/* compile warning fix

Fix this warning:

Documentation/spi/spidev_fdx.c: In function `do_msg':
Documentation/spi/spidev_fdx.c:61: warning: cast from pointer to integer of different size
Documentation/spi/spidev_fdx.c:64: warning: cast from pointer to integer of different size

buf should be unsigned long to match native arch on 32-bit x86 compile.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 Documentation/spi/spidev_fdx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/spi/spidev_fdx.c b/Documentation/spi/spidev_fdx.c
index fc354f76038..36ec0774ca0 100644
--- a/Documentation/spi/spidev_fdx.c
+++ b/Documentation/spi/spidev_fdx.c
@@ -58,10 +58,10 @@ static void do_msg(int fd, int len)
 		len = sizeof buf;
 
 	buf[0] = 0xaa;
-	xfer[0].tx_buf = (__u64) buf;
+	xfer[0].tx_buf = (unsigned long)buf;
 	xfer[0].len = 1;
 
-	xfer[1].rx_buf = (__u64) buf;
+	xfer[1].rx_buf = (unsigned long) buf;
 	xfer[1].len = len;
 
 	status = ioctl(fd, SPI_IOC_MESSAGE(2), xfer);

From 011f23a3c2f20ae15b7664d3942493af107fe39b Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@iki.fi>
Date: Thu, 6 May 2010 04:47:04 +0000
Subject: [PATCH 2915/3638] spi/ep93xx: implemented driver for Cirrus EP93xx
 SPI controller

This patch adds an SPI master driver for the Cirrus EP93xx SPI controller found
in EP93xx chips.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 Documentation/spi/ep93xx_spi                  |  95 ++
 .../arm/mach-ep93xx/include/mach/ep93xx_spi.h |  27 +
 drivers/spi/Kconfig                           |  10 +
 drivers/spi/Makefile                          |   1 +
 drivers/spi/ep93xx_spi.c                      | 938 ++++++++++++++++++
 5 files changed, 1071 insertions(+)
 create mode 100644 Documentation/spi/ep93xx_spi
 create mode 100644 arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h
 create mode 100644 drivers/spi/ep93xx_spi.c

diff --git a/Documentation/spi/ep93xx_spi b/Documentation/spi/ep93xx_spi
new file mode 100644
index 00000000000..6325f5b4863
--- /dev/null
+++ b/Documentation/spi/ep93xx_spi
@@ -0,0 +1,95 @@
+Cirrus EP93xx SPI controller driver HOWTO
+=========================================
+
+ep93xx_spi driver brings SPI master support for EP93xx SPI controller.  Chip
+selects are implemented with GPIO lines.
+
+NOTE: If possible, don't use SFRMOUT (SFRM1) signal as a chip select. It will
+not work correctly (it cannot be controlled by software). Use GPIO lines
+instead.
+
+Sample configuration
+====================
+
+Typically driver configuration is done in platform board files (the files under
+arch/arm/mach-ep93xx/*.c). In this example we configure MMC over SPI through
+this driver on TS-7260 board. You can adapt the code to suit your needs.
+
+This example uses EGPIO9 as SD/MMC card chip select (this is wired in DIO1
+header on the board).
+
+You need to select CONFIG_MMC_SPI to use mmc_spi driver.
+
+arch/arm/mach-ep93xx/ts72xx.c:
+
+...
+#include <linux/gpio.h>
+#include <linux/spi/spi.h>
+
+#include <mach/ep93xx_spi.h>
+
+/* this is our GPIO line used for chip select */
+#define MMC_CHIP_SELECT_GPIO EP93XX_GPIO_LINE_EGPIO9
+
+static int ts72xx_mmc_spi_setup(struct spi_device *spi)
+{
+	int err;
+
+	err = gpio_request(MMC_CHIP_SELECT_GPIO, spi->modalias);
+	if (err)
+		return err;
+
+	gpio_direction_output(MMC_CHIP_SELECT_GPIO, 1);
+
+	return 0;
+}
+
+static void ts72xx_mmc_spi_cleanup(struct spi_device *spi)
+{
+	gpio_set_value(MMC_CHIP_SELECT_GPIO, 1);
+	gpio_direction_input(MMC_CHIP_SELECT_GPIO);
+	gpio_free(MMC_CHIP_SELECT_GPIO);
+}
+
+static void ts72xx_mmc_spi_cs_control(struct spi_device *spi, int value)
+{
+	gpio_set_value(MMC_CHIP_SELECT_GPIO, value);
+}
+
+static struct ep93xx_spi_chip_ops ts72xx_mmc_spi_ops = {
+	.setup		= ts72xx_mmc_spi_setup,
+	.cleanup	= ts72xx_mmc_spi_cleanup,
+	.cs_control	= ts72xx_mmc_spi_cs_control,
+};
+
+static struct spi_board_info ts72xx_spi_devices[] __initdata = {
+	{
+		.modalias		= "mmc_spi",
+		.controller_data	= &ts72xx_mmc_spi_ops,
+		/*
+		 * We use 10 MHz even though the maximum is 7.4 MHz. The driver
+		 * will limit it automatically to max. frequency.
+		 */
+		.max_speed_hz		= 10 * 1000 * 1000,
+		.bus_num		= 0,
+		.chip_select		= 0,
+		.mode			= SPI_MODE_0,
+	},
+};
+
+static struct ep93xx_spi_info ts72xx_spi_info = {
+	.num_chipselect	= ARRAY_SIZE(ts72xx_spi_devices),
+};
+
+static void __init ts72xx_init_machine(void)
+{
+	...
+	ep93xx_register_spi(&ts72xx_spi_info, ts72xx_spi_devices,
+			    ARRAY_SIZE(ts72xx_spi_devices));
+}
+
+Thanks to
+=========
+Martin Guy, H. Hartley Sweeten and others who helped me during development of
+the driver. Simplemachines.it donated me a Sim.One board which I used testing
+the driver on EP9307.
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h b/arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h
new file mode 100644
index 00000000000..0a37961b345
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h
@@ -0,0 +1,27 @@
+#ifndef __ASM_MACH_EP93XX_SPI_H
+#define __ASM_MACH_EP93XX_SPI_H
+
+struct spi_device;
+
+/**
+ * struct ep93xx_spi_info - EP93xx specific SPI descriptor
+ * @num_chipselect: number of chip selects on this board, must be
+ *                  at least one
+ */
+struct ep93xx_spi_info {
+	int	num_chipselect;
+};
+
+/**
+ * struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device
+ * @setup: setup the chip select mechanism
+ * @cleanup: cleanup the chip select mechanism
+ * @cs_control: control the device chip select
+ */
+struct ep93xx_spi_chip_ops {
+	int	(*setup)(struct spi_device *spi);
+	void	(*cleanup)(struct spi_device *spi);
+	void	(*cs_control)(struct spi_device *spi, int value);
+};
+
+#endif /* __ASM_MACH_EP93XX_SPI_H */
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a191fa2be7c..2b2f4c3b6b6 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -117,6 +117,16 @@ config SPI_DAVINCI
 	help
 	  SPI master controller for DaVinci and DA8xx SPI modules.
 
+config SPI_EP93XX
+	tristate "Cirrus Logic EP93xx SPI controller"
+	depends on ARCH_EP93XX
+	help
+	  This enables using the Cirrus EP93xx SPI controller in master
+	  mode.
+
+	  To compile this driver as a module, choose M here. The module will be
+	  called ep93xx_spi.
+
 config SPI_GPIO
 	tristate "GPIO-based bitbanging SPI Master"
 	depends on GENERIC_GPIO
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index d7d0f89b797..377f8455208 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_SPI_DAVINCI)		+= davinci_spi.o
 obj-$(CONFIG_SPI_DESIGNWARE)		+= dw_spi.o
 obj-$(CONFIG_SPI_DW_PCI)		+= dw_spi_pci.o
 obj-$(CONFIG_SPI_DW_MMIO)		+= dw_spi_mmio.o
+obj-$(CONFIG_SPI_EP93XX)		+= ep93xx_spi.o
 obj-$(CONFIG_SPI_GPIO)			+= spi_gpio.o
 obj-$(CONFIG_SPI_IMX)			+= spi_imx.o
 obj-$(CONFIG_SPI_LM70_LLP)		+= spi_lm70llp.o
diff --git a/drivers/spi/ep93xx_spi.c b/drivers/spi/ep93xx_spi.c
new file mode 100644
index 00000000000..0ba35df9a6d
--- /dev/null
+++ b/drivers/spi/ep93xx_spi.c
@@ -0,0 +1,938 @@
+/*
+ * Driver for Cirrus Logic EP93xx SPI controller.
+ *
+ * Copyright (c) 2010 Mika Westerberg
+ *
+ * Explicit FIFO handling code was inspired by amba-pl022 driver.
+ *
+ * Chip select support using other than built-in GPIOs by H. Hartley Sweeten.
+ *
+ * For more information about the SPI controller see documentation on Cirrus
+ * Logic web site:
+ *     http://www.cirrus.com/en/pubs/manual/EP93xx_Users_Guide_UM1.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/bitops.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+#include <linux/sched.h>
+#include <linux/spi/spi.h>
+
+#include <mach/ep93xx_spi.h>
+
+#define SSPCR0			0x0000
+#define SSPCR0_MODE_SHIFT	6
+#define SSPCR0_SCR_SHIFT	8
+
+#define SSPCR1			0x0004
+#define SSPCR1_RIE		BIT(0)
+#define SSPCR1_TIE		BIT(1)
+#define SSPCR1_RORIE		BIT(2)
+#define SSPCR1_LBM		BIT(3)
+#define SSPCR1_SSE		BIT(4)
+#define SSPCR1_MS		BIT(5)
+#define SSPCR1_SOD		BIT(6)
+
+#define SSPDR			0x0008
+
+#define SSPSR			0x000c
+#define SSPSR_TFE		BIT(0)
+#define SSPSR_TNF		BIT(1)
+#define SSPSR_RNE		BIT(2)
+#define SSPSR_RFF		BIT(3)
+#define SSPSR_BSY		BIT(4)
+#define SSPCPSR			0x0010
+
+#define SSPIIR			0x0014
+#define SSPIIR_RIS		BIT(0)
+#define SSPIIR_TIS		BIT(1)
+#define SSPIIR_RORIS		BIT(2)
+#define SSPICR			SSPIIR
+
+/* timeout in milliseconds */
+#define SPI_TIMEOUT		5
+/* maximum depth of RX/TX FIFO */
+#define SPI_FIFO_SIZE		8
+
+/**
+ * struct ep93xx_spi - EP93xx SPI controller structure
+ * @lock: spinlock that protects concurrent accesses to fields @running,
+ *        @current_msg and @msg_queue
+ * @pdev: pointer to platform device
+ * @clk: clock for the controller
+ * @regs_base: pointer to ioremap()'d registers
+ * @irq: IRQ number used by the driver
+ * @min_rate: minimum clock rate (in Hz) supported by the controller
+ * @max_rate: maximum clock rate (in Hz) supported by the controller
+ * @running: is the queue running
+ * @wq: workqueue used by the driver
+ * @msg_work: work that is queued for the driver
+ * @wait: wait here until given transfer is completed
+ * @msg_queue: queue for the messages
+ * @current_msg: message that is currently processed (or %NULL if none)
+ * @tx: current byte in transfer to transmit
+ * @rx: current byte in transfer to receive
+ * @fifo_level: how full is FIFO (%0..%SPI_FIFO_SIZE - %1). Receiving one
+ *              frame decreases this level and sending one frame increases it.
+ *
+ * This structure holds EP93xx SPI controller specific information. When
+ * @running is %true, driver accepts transfer requests from protocol drivers.
+ * @current_msg is used to hold pointer to the message that is currently
+ * processed. If @current_msg is %NULL, it means that no processing is going
+ * on.
+ *
+ * Most of the fields are only written once and they can be accessed without
+ * taking the @lock. Fields that are accessed concurrently are: @current_msg,
+ * @running, and @msg_queue.
+ */
+struct ep93xx_spi {
+	spinlock_t			lock;
+	const struct platform_device	*pdev;
+	struct clk			*clk;
+	void __iomem			*regs_base;
+	int				irq;
+	unsigned long			min_rate;
+	unsigned long			max_rate;
+	bool				running;
+	struct workqueue_struct		*wq;
+	struct work_struct		msg_work;
+	struct completion		wait;
+	struct list_head		msg_queue;
+	struct spi_message		*current_msg;
+	size_t				tx;
+	size_t				rx;
+	size_t				fifo_level;
+};
+
+/**
+ * struct ep93xx_spi_chip - SPI device hardware settings
+ * @spi: back pointer to the SPI device
+ * @rate: max rate in hz this chip supports
+ * @div_cpsr: cpsr (pre-scaler) divider
+ * @div_scr: scr divider
+ * @dss: bits per word (4 - 16 bits)
+ * @ops: private chip operations
+ *
+ * This structure is used to store hardware register specific settings for each
+ * SPI device. Settings are written to hardware by function
+ * ep93xx_spi_chip_setup().
+ */
+struct ep93xx_spi_chip {
+	const struct spi_device		*spi;
+	unsigned long			rate;
+	u8				div_cpsr;
+	u8				div_scr;
+	u8				dss;
+	struct ep93xx_spi_chip_ops	*ops;
+};
+
+/* converts bits per word to CR0.DSS value */
+#define bits_per_word_to_dss(bpw)	((bpw) - 1)
+
+static inline void
+ep93xx_spi_write_u8(const struct ep93xx_spi *espi, u16 reg, u8 value)
+{
+	__raw_writeb(value, espi->regs_base + reg);
+}
+
+static inline u8
+ep93xx_spi_read_u8(const struct ep93xx_spi *spi, u16 reg)
+{
+	return __raw_readb(spi->regs_base + reg);
+}
+
+static inline void
+ep93xx_spi_write_u16(const struct ep93xx_spi *espi, u16 reg, u16 value)
+{
+	__raw_writew(value, espi->regs_base + reg);
+}
+
+static inline u16
+ep93xx_spi_read_u16(const struct ep93xx_spi *spi, u16 reg)
+{
+	return __raw_readw(spi->regs_base + reg);
+}
+
+static int ep93xx_spi_enable(const struct ep93xx_spi *espi)
+{
+	u8 regval;
+	int err;
+
+	err = clk_enable(espi->clk);
+	if (err)
+		return err;
+
+	regval = ep93xx_spi_read_u8(espi, SSPCR1);
+	regval |= SSPCR1_SSE;
+	ep93xx_spi_write_u8(espi, SSPCR1, regval);
+
+	return 0;
+}
+
+static void ep93xx_spi_disable(const struct ep93xx_spi *espi)
+{
+	u8 regval;
+
+	regval = ep93xx_spi_read_u8(espi, SSPCR1);
+	regval &= ~SSPCR1_SSE;
+	ep93xx_spi_write_u8(espi, SSPCR1, regval);
+
+	clk_disable(espi->clk);
+}
+
+static void ep93xx_spi_enable_interrupts(const struct ep93xx_spi *espi)
+{
+	u8 regval;
+
+	regval = ep93xx_spi_read_u8(espi, SSPCR1);
+	regval |= (SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
+	ep93xx_spi_write_u8(espi, SSPCR1, regval);
+}
+
+static void ep93xx_spi_disable_interrupts(const struct ep93xx_spi *espi)
+{
+	u8 regval;
+
+	regval = ep93xx_spi_read_u8(espi, SSPCR1);
+	regval &= ~(SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
+	ep93xx_spi_write_u8(espi, SSPCR1, regval);
+}
+
+/**
+ * ep93xx_spi_calc_divisors() - calculates SPI clock divisors
+ * @espi: ep93xx SPI controller struct
+ * @chip: divisors are calculated for this chip
+ * @rate: desired SPI output clock rate
+ *
+ * Function calculates cpsr (clock pre-scaler) and scr divisors based on
+ * given @rate and places them to @chip->div_cpsr and @chip->div_scr. If,
+ * for some reason, divisors cannot be calculated nothing is stored and
+ * %-EINVAL is returned.
+ */
+static int ep93xx_spi_calc_divisors(const struct ep93xx_spi *espi,
+				    struct ep93xx_spi_chip *chip,
+				    unsigned long rate)
+{
+	unsigned long spi_clk_rate = clk_get_rate(espi->clk);
+	int cpsr, scr;
+
+	/*
+	 * Make sure that max value is between values supported by the
+	 * controller. Note that minimum value is already checked in
+	 * ep93xx_spi_transfer().
+	 */
+	rate = clamp(rate, espi->min_rate, espi->max_rate);
+
+	/*
+	 * Calculate divisors so that we can get speed according the
+	 * following formula:
+	 *	rate = spi_clock_rate / (cpsr * (1 + scr))
+	 *
+	 * cpsr must be even number and starts from 2, scr can be any number
+	 * between 0 and 255.
+	 */
+	for (cpsr = 2; cpsr <= 254; cpsr += 2) {
+		for (scr = 0; scr <= 255; scr++) {
+			if ((spi_clk_rate / (cpsr * (scr + 1))) <= rate) {
+				chip->div_scr = (u8)scr;
+				chip->div_cpsr = (u8)cpsr;
+				return 0;
+			}
+		}
+	}
+
+	return -EINVAL;
+}
+
+static void ep93xx_spi_cs_control(struct spi_device *spi, bool control)
+{
+	struct ep93xx_spi_chip *chip = spi_get_ctldata(spi);
+	int value = (spi->mode & SPI_CS_HIGH) ? control : !control;
+
+	if (chip->ops && chip->ops->cs_control)
+		chip->ops->cs_control(spi, value);
+}
+
+/**
+ * ep93xx_spi_setup() - setup an SPI device
+ * @spi: SPI device to setup
+ *
+ * This function sets up SPI device mode, speed etc. Can be called multiple
+ * times for a single device. Returns %0 in case of success, negative error in
+ * case of failure. When this function returns success, the device is
+ * deselected.
+ */
+static int ep93xx_spi_setup(struct spi_device *spi)
+{
+	struct ep93xx_spi *espi = spi_master_get_devdata(spi->master);
+	struct ep93xx_spi_chip *chip;
+
+	if (spi->bits_per_word < 4 || spi->bits_per_word > 16) {
+		dev_err(&espi->pdev->dev, "invalid bits per word %d\n",
+			spi->bits_per_word);
+		return -EINVAL;
+	}
+
+	chip = spi_get_ctldata(spi);
+	if (!chip) {
+		dev_dbg(&espi->pdev->dev, "initial setup for %s\n",
+			spi->modalias);
+
+		chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+		if (!chip)
+			return -ENOMEM;
+
+		chip->spi = spi;
+		chip->ops = spi->controller_data;
+
+		if (chip->ops && chip->ops->setup) {
+			int ret = chip->ops->setup(spi);
+			if (ret) {
+				kfree(chip);
+				return ret;
+			}
+		}
+
+		spi_set_ctldata(spi, chip);
+	}
+
+	if (spi->max_speed_hz != chip->rate) {
+		int err;
+
+		err = ep93xx_spi_calc_divisors(espi, chip, spi->max_speed_hz);
+		if (err != 0) {
+			spi_set_ctldata(spi, NULL);
+			kfree(chip);
+			return err;
+		}
+		chip->rate = spi->max_speed_hz;
+	}
+
+	chip->dss = bits_per_word_to_dss(spi->bits_per_word);
+
+	ep93xx_spi_cs_control(spi, false);
+	return 0;
+}
+
+/**
+ * ep93xx_spi_transfer() - queue message to be transferred
+ * @spi: target SPI device
+ * @msg: message to be transferred
+ *
+ * This function is called by SPI device drivers when they are going to transfer
+ * a new message. It simply puts the message in the queue and schedules
+ * workqueue to perform the actual transfer later on.
+ *
+ * Returns %0 on success and negative error in case of failure.
+ */
+static int ep93xx_spi_transfer(struct spi_device *spi, struct spi_message *msg)
+{
+	struct ep93xx_spi *espi = spi_master_get_devdata(spi->master);
+	struct spi_transfer *t;
+	unsigned long flags;
+
+	if (!msg || !msg->complete)
+		return -EINVAL;
+
+	/* first validate each transfer */
+	list_for_each_entry(t, &msg->transfers, transfer_list) {
+		if (t->bits_per_word) {
+			if (t->bits_per_word < 4 || t->bits_per_word > 16)
+				return -EINVAL;
+		}
+		if (t->speed_hz && t->speed_hz < espi->min_rate)
+				return -EINVAL;
+	}
+
+	/*
+	 * Now that we own the message, let's initialize it so that it is
+	 * suitable for us. We use @msg->status to signal whether there was
+	 * error in transfer and @msg->state is used to hold pointer to the
+	 * current transfer (or %NULL if no active current transfer).
+	 */
+	msg->state = NULL;
+	msg->status = 0;
+	msg->actual_length = 0;
+
+	spin_lock_irqsave(&espi->lock, flags);
+	if (!espi->running) {
+		spin_unlock_irqrestore(&espi->lock, flags);
+		return -ESHUTDOWN;
+	}
+	list_add_tail(&msg->queue, &espi->msg_queue);
+	queue_work(espi->wq, &espi->msg_work);
+	spin_unlock_irqrestore(&espi->lock, flags);
+
+	return 0;
+}
+
+/**
+ * ep93xx_spi_cleanup() - cleans up master controller specific state
+ * @spi: SPI device to cleanup
+ *
+ * This function releases master controller specific state for given @spi
+ * device.
+ */
+static void ep93xx_spi_cleanup(struct spi_device *spi)
+{
+	struct ep93xx_spi_chip *chip;
+
+	chip = spi_get_ctldata(spi);
+	if (chip) {
+		if (chip->ops && chip->ops->cleanup)
+			chip->ops->cleanup(spi);
+		spi_set_ctldata(spi, NULL);
+		kfree(chip);
+	}
+}
+
+/**
+ * ep93xx_spi_chip_setup() - configures hardware according to given @chip
+ * @espi: ep93xx SPI controller struct
+ * @chip: chip specific settings
+ *
+ * This function sets up the actual hardware registers with settings given in
+ * @chip. Note that no validation is done so make sure that callers validate
+ * settings before calling this.
+ */
+static void ep93xx_spi_chip_setup(const struct ep93xx_spi *espi,
+				  const struct ep93xx_spi_chip *chip)
+{
+	u16 cr0;
+
+	cr0 = chip->div_scr << SSPCR0_SCR_SHIFT;
+	cr0 |= (chip->spi->mode & (SPI_CPHA|SPI_CPOL)) << SSPCR0_MODE_SHIFT;
+	cr0 |= chip->dss;
+
+	dev_dbg(&espi->pdev->dev, "setup: mode %d, cpsr %d, scr %d, dss %d\n",
+		chip->spi->mode, chip->div_cpsr, chip->div_scr, chip->dss);
+	dev_dbg(&espi->pdev->dev, "setup: cr0 %#x", cr0);
+
+	ep93xx_spi_write_u8(espi, SSPCPSR, chip->div_cpsr);
+	ep93xx_spi_write_u16(espi, SSPCR0, cr0);
+}
+
+static inline int bits_per_word(const struct ep93xx_spi *espi)
+{
+	struct spi_message *msg = espi->current_msg;
+	struct spi_transfer *t = msg->state;
+
+	return t->bits_per_word ? t->bits_per_word : msg->spi->bits_per_word;
+}
+
+static void ep93xx_do_write(struct ep93xx_spi *espi, struct spi_transfer *t)
+{
+	if (bits_per_word(espi) > 8) {
+		u16 tx_val = 0;
+
+		if (t->tx_buf)
+			tx_val = ((u16 *)t->tx_buf)[espi->tx];
+		ep93xx_spi_write_u16(espi, SSPDR, tx_val);
+		espi->tx += sizeof(tx_val);
+	} else {
+		u8 tx_val = 0;
+
+		if (t->tx_buf)
+			tx_val = ((u8 *)t->tx_buf)[espi->tx];
+		ep93xx_spi_write_u8(espi, SSPDR, tx_val);
+		espi->tx += sizeof(tx_val);
+	}
+}
+
+static void ep93xx_do_read(struct ep93xx_spi *espi, struct spi_transfer *t)
+{
+	if (bits_per_word(espi) > 8) {
+		u16 rx_val;
+
+		rx_val = ep93xx_spi_read_u16(espi, SSPDR);
+		if (t->rx_buf)
+			((u16 *)t->rx_buf)[espi->rx] = rx_val;
+		espi->rx += sizeof(rx_val);
+	} else {
+		u8 rx_val;
+
+		rx_val = ep93xx_spi_read_u8(espi, SSPDR);
+		if (t->rx_buf)
+			((u8 *)t->rx_buf)[espi->rx] = rx_val;
+		espi->rx += sizeof(rx_val);
+	}
+}
+
+/**
+ * ep93xx_spi_read_write() - perform next RX/TX transfer
+ * @espi: ep93xx SPI controller struct
+ *
+ * This function transfers next bytes (or half-words) to/from RX/TX FIFOs. If
+ * called several times, the whole transfer will be completed. Returns
+ * %-EINPROGRESS when current transfer was not yet completed otherwise %0.
+ *
+ * When this function is finished, RX FIFO should be empty and TX FIFO should be
+ * full.
+ */
+static int ep93xx_spi_read_write(struct ep93xx_spi *espi)
+{
+	struct spi_message *msg = espi->current_msg;
+	struct spi_transfer *t = msg->state;
+
+	/* read as long as RX FIFO has frames in it */
+	while ((ep93xx_spi_read_u8(espi, SSPSR) & SSPSR_RNE)) {
+		ep93xx_do_read(espi, t);
+		espi->fifo_level--;
+	}
+
+	/* write as long as TX FIFO has room */
+	while (espi->fifo_level < SPI_FIFO_SIZE && espi->tx < t->len) {
+		ep93xx_do_write(espi, t);
+		espi->fifo_level++;
+	}
+
+	if (espi->rx == t->len) {
+		msg->actual_length += t->len;
+		return 0;
+	}
+
+	return -EINPROGRESS;
+}
+
+/**
+ * ep93xx_spi_process_transfer() - processes one SPI transfer
+ * @espi: ep93xx SPI controller struct
+ * @msg: current message
+ * @t: transfer to process
+ *
+ * This function processes one SPI transfer given in @t. Function waits until
+ * transfer is complete (may sleep) and updates @msg->status based on whether
+ * transfer was succesfully processed or not.
+ */
+static void ep93xx_spi_process_transfer(struct ep93xx_spi *espi,
+					struct spi_message *msg,
+					struct spi_transfer *t)
+{
+	struct ep93xx_spi_chip *chip = spi_get_ctldata(msg->spi);
+
+	msg->state = t;
+
+	/*
+	 * Handle any transfer specific settings if needed. We use
+	 * temporary chip settings here and restore original later when
+	 * the transfer is finished.
+	 */
+	if (t->speed_hz || t->bits_per_word) {
+		struct ep93xx_spi_chip tmp_chip = *chip;
+
+		if (t->speed_hz) {
+			int err;
+
+			err = ep93xx_spi_calc_divisors(espi, &tmp_chip,
+						       t->speed_hz);
+			if (err) {
+				dev_err(&espi->pdev->dev,
+					"failed to adjust speed\n");
+				msg->status = err;
+				return;
+			}
+		}
+
+		if (t->bits_per_word)
+			tmp_chip.dss = bits_per_word_to_dss(t->bits_per_word);
+
+		/*
+		 * Set up temporary new hw settings for this transfer.
+		 */
+		ep93xx_spi_chip_setup(espi, &tmp_chip);
+	}
+
+	espi->rx = 0;
+	espi->tx = 0;
+
+	/*
+	 * Now everything is set up for the current transfer. We prime the TX
+	 * FIFO, enable interrupts, and wait for the transfer to complete.
+	 */
+	if (ep93xx_spi_read_write(espi)) {
+		ep93xx_spi_enable_interrupts(espi);
+		wait_for_completion(&espi->wait);
+	}
+
+	/*
+	 * In case of error during transmit, we bail out from processing
+	 * the message.
+	 */
+	if (msg->status)
+		return;
+
+	/*
+	 * After this transfer is finished, perform any possible
+	 * post-transfer actions requested by the protocol driver.
+	 */
+	if (t->delay_usecs) {
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_timeout(usecs_to_jiffies(t->delay_usecs));
+	}
+	if (t->cs_change) {
+		if (!list_is_last(&t->transfer_list, &msg->transfers)) {
+			/*
+			 * In case protocol driver is asking us to drop the
+			 * chipselect briefly, we let the scheduler to handle
+			 * any "delay" here.
+			 */
+			ep93xx_spi_cs_control(msg->spi, false);
+			cond_resched();
+			ep93xx_spi_cs_control(msg->spi, true);
+		}
+	}
+
+	if (t->speed_hz || t->bits_per_word)
+		ep93xx_spi_chip_setup(espi, chip);
+}
+
+/*
+ * ep93xx_spi_process_message() - process one SPI message
+ * @espi: ep93xx SPI controller struct
+ * @msg: message to process
+ *
+ * This function processes a single SPI message. We go through all transfers in
+ * the message and pass them to ep93xx_spi_process_transfer(). Chipselect is
+ * asserted during the whole message (unless per transfer cs_change is set).
+ *
+ * @msg->status contains %0 in case of success or negative error code in case of
+ * failure.
+ */
+static void ep93xx_spi_process_message(struct ep93xx_spi *espi,
+				       struct spi_message *msg)
+{
+	unsigned long timeout;
+	struct spi_transfer *t;
+	int err;
+
+	/*
+	 * Enable the SPI controller and its clock.
+	 */
+	err = ep93xx_spi_enable(espi);
+	if (err) {
+		dev_err(&espi->pdev->dev, "failed to enable SPI controller\n");
+		msg->status = err;
+		return;
+	}
+
+	/*
+	 * Just to be sure: flush any data from RX FIFO.
+	 */
+	timeout = jiffies + msecs_to_jiffies(SPI_TIMEOUT);
+	while (ep93xx_spi_read_u16(espi, SSPSR) & SSPSR_RNE) {
+		if (time_after(jiffies, timeout)) {
+			dev_warn(&espi->pdev->dev,
+				 "timeout while flushing RX FIFO\n");
+			msg->status = -ETIMEDOUT;
+			return;
+		}
+		ep93xx_spi_read_u16(espi, SSPDR);
+	}
+
+	/*
+	 * We explicitly handle FIFO level. This way we don't have to check TX
+	 * FIFO status using %SSPSR_TNF bit which may cause RX FIFO overruns.
+	 */
+	espi->fifo_level = 0;
+
+	/*
+	 * Update SPI controller registers according to spi device and assert
+	 * the chipselect.
+	 */
+	ep93xx_spi_chip_setup(espi, spi_get_ctldata(msg->spi));
+	ep93xx_spi_cs_control(msg->spi, true);
+
+	list_for_each_entry(t, &msg->transfers, transfer_list) {
+		ep93xx_spi_process_transfer(espi, msg, t);
+		if (msg->status)
+			break;
+	}
+
+	/*
+	 * Now the whole message is transferred (or failed for some reason). We
+	 * deselect the device and disable the SPI controller.
+	 */
+	ep93xx_spi_cs_control(msg->spi, false);
+	ep93xx_spi_disable(espi);
+}
+
+#define work_to_espi(work) (container_of((work), struct ep93xx_spi, msg_work))
+
+/**
+ * ep93xx_spi_work() - EP93xx SPI workqueue worker function
+ * @work: work struct
+ *
+ * Workqueue worker function. This function is called when there are new
+ * SPI messages to be processed. Message is taken out from the queue and then
+ * passed to ep93xx_spi_process_message().
+ *
+ * After message is transferred, protocol driver is notified by calling
+ * @msg->complete(). In case of error, @msg->status is set to negative error
+ * number, otherwise it contains zero (and @msg->actual_length is updated).
+ */
+static void ep93xx_spi_work(struct work_struct *work)
+{
+	struct ep93xx_spi *espi = work_to_espi(work);
+	struct spi_message *msg;
+
+	spin_lock_irq(&espi->lock);
+	if (!espi->running || espi->current_msg ||
+		list_empty(&espi->msg_queue)) {
+		spin_unlock_irq(&espi->lock);
+		return;
+	}
+	msg = list_first_entry(&espi->msg_queue, struct spi_message, queue);
+	list_del_init(&msg->queue);
+	espi->current_msg = msg;
+	spin_unlock_irq(&espi->lock);
+
+	ep93xx_spi_process_message(espi, msg);
+
+	/*
+	 * Update the current message and re-schedule ourselves if there are
+	 * more messages in the queue.
+	 */
+	spin_lock_irq(&espi->lock);
+	espi->current_msg = NULL;
+	if (espi->running && !list_empty(&espi->msg_queue))
+		queue_work(espi->wq, &espi->msg_work);
+	spin_unlock_irq(&espi->lock);
+
+	/* notify the protocol driver that we are done with this message */
+	msg->complete(msg->context);
+}
+
+static irqreturn_t ep93xx_spi_interrupt(int irq, void *dev_id)
+{
+	struct ep93xx_spi *espi = dev_id;
+	u8 irq_status = ep93xx_spi_read_u8(espi, SSPIIR);
+
+	/*
+	 * If we got ROR (receive overrun) interrupt we know that something is
+	 * wrong. Just abort the message.
+	 */
+	if (unlikely(irq_status & SSPIIR_RORIS)) {
+		/* clear the overrun interrupt */
+		ep93xx_spi_write_u8(espi, SSPICR, 0);
+		dev_warn(&espi->pdev->dev,
+			 "receive overrun, aborting the message\n");
+		espi->current_msg->status = -EIO;
+	} else {
+		/*
+		 * Interrupt is either RX (RIS) or TX (TIS). For both cases we
+		 * simply execute next data transfer.
+		 */
+		if (ep93xx_spi_read_write(espi)) {
+			/*
+			 * In normal case, there still is some processing left
+			 * for current transfer. Let's wait for the next
+			 * interrupt then.
+			 */
+			return IRQ_HANDLED;
+		}
+	}
+
+	/*
+	 * Current transfer is finished, either with error or with success. In
+	 * any case we disable interrupts and notify the worker to handle
+	 * any post-processing of the message.
+	 */
+	ep93xx_spi_disable_interrupts(espi);
+	complete(&espi->wait);
+	return IRQ_HANDLED;
+}
+
+static int __init ep93xx_spi_probe(struct platform_device *pdev)
+{
+	struct spi_master *master;
+	struct ep93xx_spi_info *info;
+	struct ep93xx_spi *espi;
+	struct resource *res;
+	int error;
+
+	info = pdev->dev.platform_data;
+
+	master = spi_alloc_master(&pdev->dev, sizeof(*espi));
+	if (!master) {
+		dev_err(&pdev->dev, "failed to allocate spi master\n");
+		return -ENOMEM;
+	}
+
+	master->setup = ep93xx_spi_setup;
+	master->transfer = ep93xx_spi_transfer;
+	master->cleanup = ep93xx_spi_cleanup;
+	master->bus_num = pdev->id;
+	master->num_chipselect = info->num_chipselect;
+	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+
+	platform_set_drvdata(pdev, master);
+
+	espi = spi_master_get_devdata(master);
+
+	espi->clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(espi->clk)) {
+		dev_err(&pdev->dev, "unable to get spi clock\n");
+		error = PTR_ERR(espi->clk);
+		goto fail_release_master;
+	}
+
+	spin_lock_init(&espi->lock);
+	init_completion(&espi->wait);
+
+	/*
+	 * Calculate maximum and minimum supported clock rates
+	 * for the controller.
+	 */
+	espi->max_rate = clk_get_rate(espi->clk) / 2;
+	espi->min_rate = clk_get_rate(espi->clk) / (254 * 256);
+	espi->pdev = pdev;
+
+	espi->irq = platform_get_irq(pdev, 0);
+	if (espi->irq < 0) {
+		error = -EBUSY;
+		dev_err(&pdev->dev, "failed to get irq resources\n");
+		goto fail_put_clock;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "unable to get iomem resource\n");
+		error = -ENODEV;
+		goto fail_put_clock;
+	}
+
+	res = request_mem_region(res->start, resource_size(res), pdev->name);
+	if (!res) {
+		dev_err(&pdev->dev, "unable to request iomem resources\n");
+		error = -EBUSY;
+		goto fail_put_clock;
+	}
+
+	espi->regs_base = ioremap(res->start, resource_size(res));
+	if (!espi->regs_base) {
+		dev_err(&pdev->dev, "failed to map resources\n");
+		error = -ENODEV;
+		goto fail_free_mem;
+	}
+
+	error = request_irq(espi->irq, ep93xx_spi_interrupt, 0,
+			    "ep93xx-spi", espi);
+	if (error) {
+		dev_err(&pdev->dev, "failed to request irq\n");
+		goto fail_unmap_regs;
+	}
+
+	espi->wq = create_singlethread_workqueue("ep93xx_spid");
+	if (!espi->wq) {
+		dev_err(&pdev->dev, "unable to create workqueue\n");
+		goto fail_free_irq;
+	}
+	INIT_WORK(&espi->msg_work, ep93xx_spi_work);
+	INIT_LIST_HEAD(&espi->msg_queue);
+	espi->running = true;
+
+	/* make sure that the hardware is disabled */
+	ep93xx_spi_write_u8(espi, SSPCR1, 0);
+
+	error = spi_register_master(master);
+	if (error) {
+		dev_err(&pdev->dev, "failed to register SPI master\n");
+		goto fail_free_queue;
+	}
+
+	dev_info(&pdev->dev, "EP93xx SPI Controller at 0x%08lx irq %d\n",
+		 (unsigned long)res->start, espi->irq);
+
+	return 0;
+
+fail_free_queue:
+	destroy_workqueue(espi->wq);
+fail_free_irq:
+	free_irq(espi->irq, espi);
+fail_unmap_regs:
+	iounmap(espi->regs_base);
+fail_free_mem:
+	release_mem_region(res->start, resource_size(res));
+fail_put_clock:
+	clk_put(espi->clk);
+fail_release_master:
+	spi_master_put(master);
+	platform_set_drvdata(pdev, NULL);
+
+	return error;
+}
+
+static int __exit ep93xx_spi_remove(struct platform_device *pdev)
+{
+	struct spi_master *master = platform_get_drvdata(pdev);
+	struct ep93xx_spi *espi = spi_master_get_devdata(master);
+	struct resource *res;
+
+	spin_lock_irq(&espi->lock);
+	espi->running = false;
+	spin_unlock_irq(&espi->lock);
+
+	destroy_workqueue(espi->wq);
+
+	/*
+	 * Complete remaining messages with %-ESHUTDOWN status.
+	 */
+	spin_lock_irq(&espi->lock);
+	while (!list_empty(&espi->msg_queue)) {
+		struct spi_message *msg;
+
+		msg = list_first_entry(&espi->msg_queue,
+				       struct spi_message, queue);
+		list_del_init(&msg->queue);
+		msg->status = -ESHUTDOWN;
+		spin_unlock_irq(&espi->lock);
+		msg->complete(msg->context);
+		spin_lock_irq(&espi->lock);
+	}
+	spin_unlock_irq(&espi->lock);
+
+	free_irq(espi->irq, espi);
+	iounmap(espi->regs_base);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(res->start, resource_size(res));
+	clk_put(espi->clk);
+	platform_set_drvdata(pdev, NULL);
+
+	spi_unregister_master(master);
+	return 0;
+}
+
+static struct platform_driver ep93xx_spi_driver = {
+	.driver		= {
+		.name	= "ep93xx-spi",
+		.owner	= THIS_MODULE,
+	},
+	.remove		= __exit_p(ep93xx_spi_remove),
+};
+
+static int __init ep93xx_spi_init(void)
+{
+	return platform_driver_probe(&ep93xx_spi_driver, ep93xx_spi_probe);
+}
+module_init(ep93xx_spi_init);
+
+static void __exit ep93xx_spi_exit(void)
+{
+	platform_driver_unregister(&ep93xx_spi_driver);
+}
+module_exit(ep93xx_spi_exit);
+
+MODULE_DESCRIPTION("EP93xx SPI Controller driver");
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ep93xx-spi");

From 2da8cb6af5fe0d9e16b8a49399c8b7c6cfa94d5a Mon Sep 17 00:00:00 2001
From: Anatolij Gustschin <agust@denx.de>
Date: Fri, 30 Apr 2010 13:21:26 +0000
Subject: [PATCH 2916/3638] powerpc/mpc5121: move PSC FIFO memory init to
 platform code

Since PSC could also be used in other modes than UART mode
we move PSC FIFO memory initialization from serial driver to
common platform code. The initialized FIFO memory slices may
not overlap, so the most easy way would be to configure them
all at once at init time for all PSC devices. This is now done
by this patch.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 arch/powerpc/platforms/512x/mpc512x_shared.c | 78 ++++++++++++++++++++
 drivers/serial/mpc52xx_uart.c                | 69 -----------------
 2 files changed, 78 insertions(+), 69 deletions(-)

diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index b7f518a60f0..707e572b7c4 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -22,6 +22,7 @@
 #include <asm/prom.h>
 #include <asm/time.h>
 #include <asm/mpc5121.h>
+#include <asm/mpc52xx_psc.h>
 
 #include "mpc512x.h"
 
@@ -95,9 +96,86 @@ void __init mpc512x_declare_of_platform_devices(void)
 	}
 }
 
+#define DEFAULT_FIFO_SIZE 16
+
+static unsigned int __init get_fifo_size(struct device_node *np,
+					 char *prop_name)
+{
+	const unsigned int *fp;
+
+	fp = of_get_property(np, prop_name, NULL);
+	if (fp)
+		return *fp;
+
+	pr_warning("no %s property in %s node, defaulting to %d\n",
+		   prop_name, np->full_name, DEFAULT_FIFO_SIZE);
+
+	return DEFAULT_FIFO_SIZE;
+}
+
+#define FIFOC(_base) ((struct mpc512x_psc_fifo __iomem *) \
+		    ((u32)(_base) + sizeof(struct mpc52xx_psc)))
+
+/* Init PSC FIFO space for TX and RX slices */
+void __init mpc512x_psc_fifo_init(void)
+{
+	struct device_node *np;
+	void __iomem *psc;
+	unsigned int tx_fifo_size;
+	unsigned int rx_fifo_size;
+	int fifobase = 0; /* current fifo address in 32 bit words */
+
+	for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") {
+		tx_fifo_size = get_fifo_size(np, "fsl,tx-fifo-size");
+		rx_fifo_size = get_fifo_size(np, "fsl,rx-fifo-size");
+
+		/* size in register is in 4 byte units */
+		tx_fifo_size /= 4;
+		rx_fifo_size /= 4;
+		if (!tx_fifo_size)
+			tx_fifo_size = 1;
+		if (!rx_fifo_size)
+			rx_fifo_size = 1;
+
+		psc = of_iomap(np, 0);
+		if (!psc) {
+			pr_err("%s: Can't map %s device\n",
+				__func__, np->full_name);
+			continue;
+		}
+
+		/* FIFO space is 4KiB, check if requested size is available */
+		if ((fifobase + tx_fifo_size + rx_fifo_size) > 0x1000) {
+			pr_err("%s: no fifo space available for %s\n",
+				__func__, np->full_name);
+			iounmap(psc);
+			/*
+			 * chances are that another device requests less
+			 * fifo space, so we continue.
+			 */
+			continue;
+		}
+
+		/* set tx and rx fifo size registers */
+		out_be32(&FIFOC(psc)->txsz, (fifobase << 16) | tx_fifo_size);
+		fifobase += tx_fifo_size;
+		out_be32(&FIFOC(psc)->rxsz, (fifobase << 16) | rx_fifo_size);
+		fifobase += rx_fifo_size;
+
+		/* reset and enable the slices */
+		out_be32(&FIFOC(psc)->txcmd, 0x80);
+		out_be32(&FIFOC(psc)->txcmd, 0x01);
+		out_be32(&FIFOC(psc)->rxcmd, 0x80);
+		out_be32(&FIFOC(psc)->rxcmd, 0x01);
+
+		iounmap(psc);
+	}
+}
+
 void __init mpc512x_init(void)
 {
 	mpc512x_declare_of_platform_devices();
 	mpc5121_clk_init();
 	mpc512x_restart_init();
+	mpc512x_psc_fifo_init();
 }
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 02469c31bf0..f0ca448a1eb 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -397,34 +397,10 @@ static unsigned long mpc512x_getuartclk(void *p)
 	return mpc5xxx_get_bus_frequency(p);
 }
 
-#define DEFAULT_FIFO_SIZE 16
-
-static unsigned int __init get_fifo_size(struct device_node *np,
-					 char *fifo_name)
-{
-	const unsigned int *fp;
-
-	fp = of_get_property(np, fifo_name, NULL);
-	if (fp)
-		return *fp;
-
-	pr_warning("no %s property in %s node, defaulting to %d\n",
-		   fifo_name, np->full_name, DEFAULT_FIFO_SIZE);
-
-	return DEFAULT_FIFO_SIZE;
-}
-
-#define FIFOC(_base) ((struct mpc512x_psc_fifo __iomem *) \
-		    ((u32)(_base) + sizeof(struct mpc52xx_psc)))
-
 /* Init PSC FIFO Controller */
 static int __init mpc512x_psc_fifoc_init(void)
 {
 	struct device_node *np;
-	void __iomem *psc;
-	unsigned int tx_fifo_size;
-	unsigned int rx_fifo_size;
-	int fifobase = 0; /* current fifo address in 32 bit words */
 
 	np = of_find_compatible_node(NULL, NULL,
 				     "fsl,mpc5121-psc-fifo");
@@ -447,51 +423,6 @@ static int __init mpc512x_psc_fifoc_init(void)
 		return -ENODEV;
 	}
 
-	for_each_compatible_node(np, NULL, "fsl,mpc5121-psc-uart") {
-		tx_fifo_size = get_fifo_size(np, "fsl,tx-fifo-size");
-		rx_fifo_size = get_fifo_size(np, "fsl,rx-fifo-size");
-
-		/* size in register is in 4 byte units */
-		tx_fifo_size /= 4;
-		rx_fifo_size /= 4;
-		if (!tx_fifo_size)
-			tx_fifo_size = 1;
-		if (!rx_fifo_size)
-			rx_fifo_size = 1;
-
-		psc = of_iomap(np, 0);
-		if (!psc) {
-			pr_err("%s: Can't map %s device\n",
-				__func__, np->full_name);
-			continue;
-		}
-
-		/* FIFO space is 4KiB, check if requested size is available */
-		if ((fifobase + tx_fifo_size + rx_fifo_size) > 0x1000) {
-			pr_err("%s: no fifo space available for %s\n",
-				__func__, np->full_name);
-			iounmap(psc);
-			/*
-			 * chances are that another device requests less
-			 * fifo space, so we continue.
-			 */
-			continue;
-		}
-		/* set tx and rx fifo size registers */
-		out_be32(&FIFOC(psc)->txsz, (fifobase << 16) | tx_fifo_size);
-		fifobase += tx_fifo_size;
-		out_be32(&FIFOC(psc)->rxsz, (fifobase << 16) | rx_fifo_size);
-		fifobase += rx_fifo_size;
-
-		/* reset and enable the slices */
-		out_be32(&FIFOC(psc)->txcmd, 0x80);
-		out_be32(&FIFOC(psc)->txcmd, 0x01);
-		out_be32(&FIFOC(psc)->rxcmd, 0x80);
-		out_be32(&FIFOC(psc)->rxcmd, 0x01);
-
-		iounmap(psc);
-	}
-
 	return 0;
 }
 

From 6e27388f1bd60b55e0b1a83d14233e6c7ad33700 Mon Sep 17 00:00:00 2001
From: Anatolij Gustschin <agust@denx.de>
Date: Fri, 30 Apr 2010 13:21:27 +0000
Subject: [PATCH 2917/3638] spi/mpc5121: Add SPI master driver for MPC5121 PSC

Signed-off-by: John Rigby <jcrigby@gmail.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 arch/powerpc/include/asm/mpc52xx_psc.h |   1 +
 drivers/spi/Kconfig                    |   7 +
 drivers/spi/Makefile                   |   1 +
 drivers/spi/mpc512x_psc_spi.c          | 576 +++++++++++++++++++++++++
 4 files changed, 585 insertions(+)
 create mode 100644 drivers/spi/mpc512x_psc_spi.c

diff --git a/arch/powerpc/include/asm/mpc52xx_psc.h b/arch/powerpc/include/asm/mpc52xx_psc.h
index 42561f4f032..ecc4fc69ac1 100644
--- a/arch/powerpc/include/asm/mpc52xx_psc.h
+++ b/arch/powerpc/include/asm/mpc52xx_psc.h
@@ -248,6 +248,7 @@ struct mpc52xx_psc_fifo {
 	u16		tflwfptr;	/* PSC + 0x9e */
 };
 
+#define MPC512x_PSC_FIFO_EOF		0x100
 #define MPC512x_PSC_FIFO_RESET_SLICE	0x80
 #define MPC512x_PSC_FIFO_ENABLE_SLICE	0x01
 #define MPC512x_PSC_FIFO_ENABLE_DMA	0x04
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 2b2f4c3b6b6..aacc0ed25ba 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -175,6 +175,13 @@ config SPI_MPC52xx_PSC
 	  This enables using the Freescale MPC52xx Programmable Serial
 	  Controller in master SPI mode.
 
+config SPI_MPC512x_PSC
+	tristate "Freescale MPC512x PSC SPI controller"
+	depends on SPI_MASTER && PPC_MPC512x
+	help
+	  This enables using the Freescale MPC5121 Programmable Serial
+	  Controller in SPI master mode.
+
 config SPI_MPC8xxx
 	tristate "Freescale MPC8xxx SPI controller"
 	depends on FSL_SOC
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 377f8455208..e9cbd18217a 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_SPI_OMAP24XX)		+= omap2_mcspi.o
 obj-$(CONFIG_SPI_OMAP_100K)		+= omap_spi_100k.o
 obj-$(CONFIG_SPI_ORION)			+= orion_spi.o
 obj-$(CONFIG_SPI_PL022)			+= amba-pl022.o
+obj-$(CONFIG_SPI_MPC512x_PSC)		+= mpc512x_psc_spi.o
 obj-$(CONFIG_SPI_MPC52xx_PSC)		+= mpc52xx_psc_spi.o
 obj-$(CONFIG_SPI_MPC52xx)		+= mpc52xx_spi.o
 obj-$(CONFIG_SPI_MPC8xxx)		+= spi_mpc8xxx.o
diff --git a/drivers/spi/mpc512x_psc_spi.c b/drivers/spi/mpc512x_psc_spi.c
new file mode 100644
index 00000000000..28a126d2742
--- /dev/null
+++ b/drivers/spi/mpc512x_psc_spi.c
@@ -0,0 +1,576 @@
+/*
+ * MPC512x PSC in SPI mode driver.
+ *
+ * Copyright (C) 2007,2008 Freescale Semiconductor Inc.
+ * Original port from 52xx driver:
+ *	Hongjun Chen <hong-jun.chen@freescale.com>
+ *
+ * Fork of mpc52xx_psc_spi.c:
+ *	Copyright (C) 2006 TOPTICA Photonics AG., Dragos Carp
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/of_platform.h>
+#include <linux/workqueue.h>
+#include <linux/completion.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/spi/spi.h>
+#include <linux/fsl_devices.h>
+#include <asm/mpc52xx_psc.h>
+
+struct mpc512x_psc_spi {
+	void (*cs_control)(struct spi_device *spi, bool on);
+	u32 sysclk;
+
+	/* driver internal data */
+	struct mpc52xx_psc __iomem *psc;
+	struct mpc512x_psc_fifo __iomem *fifo;
+	unsigned int irq;
+	u8 bits_per_word;
+	u8 busy;
+	u32 mclk;
+	u8 eofbyte;
+
+	struct workqueue_struct *workqueue;
+	struct work_struct work;
+
+	struct list_head queue;
+	spinlock_t lock;	/* Message queue lock */
+
+	struct completion done;
+};
+
+/* controller state */
+struct mpc512x_psc_spi_cs {
+	int bits_per_word;
+	int speed_hz;
+};
+
+/* set clock freq, clock ramp, bits per work
+ * if t is NULL then reset the values to the default values
+ */
+static int mpc512x_psc_spi_transfer_setup(struct spi_device *spi,
+					  struct spi_transfer *t)
+{
+	struct mpc512x_psc_spi_cs *cs = spi->controller_state;
+
+	cs->speed_hz = (t && t->speed_hz)
+	    ? t->speed_hz : spi->max_speed_hz;
+	cs->bits_per_word = (t && t->bits_per_word)
+	    ? t->bits_per_word : spi->bits_per_word;
+	cs->bits_per_word = ((cs->bits_per_word + 7) / 8) * 8;
+	return 0;
+}
+
+static void mpc512x_psc_spi_activate_cs(struct spi_device *spi)
+{
+	struct mpc512x_psc_spi_cs *cs = spi->controller_state;
+	struct mpc512x_psc_spi *mps = spi_master_get_devdata(spi->master);
+	struct mpc52xx_psc __iomem *psc = mps->psc;
+	u32 sicr;
+	u32 ccr;
+	u16 bclkdiv;
+
+	sicr = in_be32(&psc->sicr);
+
+	/* Set clock phase and polarity */
+	if (spi->mode & SPI_CPHA)
+		sicr |= 0x00001000;
+	else
+		sicr &= ~0x00001000;
+
+	if (spi->mode & SPI_CPOL)
+		sicr |= 0x00002000;
+	else
+		sicr &= ~0x00002000;
+
+	if (spi->mode & SPI_LSB_FIRST)
+		sicr |= 0x10000000;
+	else
+		sicr &= ~0x10000000;
+	out_be32(&psc->sicr, sicr);
+
+	ccr = in_be32(&psc->ccr);
+	ccr &= 0xFF000000;
+	if (cs->speed_hz)
+		bclkdiv = (mps->mclk / cs->speed_hz) - 1;
+	else
+		bclkdiv = (mps->mclk / 1000000) - 1;	/* default 1MHz */
+
+	ccr |= (((bclkdiv & 0xff) << 16) | (((bclkdiv >> 8) & 0xff) << 8));
+	out_be32(&psc->ccr, ccr);
+	mps->bits_per_word = cs->bits_per_word;
+
+	if (mps->cs_control)
+		mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 1 : 0);
+}
+
+static void mpc512x_psc_spi_deactivate_cs(struct spi_device *spi)
+{
+	struct mpc512x_psc_spi *mps = spi_master_get_devdata(spi->master);
+
+	if (mps->cs_control)
+		mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 0 : 1);
+
+}
+
+/* extract and scale size field in txsz or rxsz */
+#define MPC512x_PSC_FIFO_SZ(sz) ((sz & 0x7ff) << 2);
+
+#define EOFBYTE 1
+
+static int mpc512x_psc_spi_transfer_rxtx(struct spi_device *spi,
+					 struct spi_transfer *t)
+{
+	struct mpc512x_psc_spi *mps = spi_master_get_devdata(spi->master);
+	struct mpc52xx_psc __iomem *psc = mps->psc;
+	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;
+	size_t len = t->len;
+	u8 *tx_buf = (u8 *)t->tx_buf;
+	u8 *rx_buf = (u8 *)t->rx_buf;
+
+	if (!tx_buf && !rx_buf && t->len)
+		return -EINVAL;
+
+	/* Zero MR2 */
+	in_8(&psc->mode);
+	out_8(&psc->mode, 0x0);
+
+	while (len) {
+		int count;
+		int i;
+		u8 data;
+		size_t fifosz;
+		int rxcount;
+
+		/*
+		 * The number of bytes that can be sent at a time
+		 * depends on the fifo size.
+		 */
+		fifosz = MPC512x_PSC_FIFO_SZ(in_be32(&fifo->txsz));
+		count = min(fifosz, len);
+
+		for (i = count; i > 0; i--) {
+			data = tx_buf ? *tx_buf++ : 0;
+			if (len == EOFBYTE)
+				setbits32(&fifo->txcmd, MPC512x_PSC_FIFO_EOF);
+			out_8(&fifo->txdata_8, data);
+			len--;
+		}
+
+		INIT_COMPLETION(mps->done);
+
+		/* interrupt on tx fifo empty */
+		out_be32(&fifo->txisr, MPC512x_PSC_FIFO_EMPTY);
+		out_be32(&fifo->tximr, MPC512x_PSC_FIFO_EMPTY);
+
+		/* enable transmiter/receiver */
+		out_8(&psc->command,
+		      MPC52xx_PSC_TX_ENABLE | MPC52xx_PSC_RX_ENABLE);
+
+		wait_for_completion(&mps->done);
+
+		mdelay(1);
+
+		/* rx fifo should have count bytes in it */
+		rxcount = in_be32(&fifo->rxcnt);
+		if (rxcount != count)
+			mdelay(1);
+
+		rxcount = in_be32(&fifo->rxcnt);
+		if (rxcount != count) {
+			dev_warn(&spi->dev, "expected %d bytes in rx fifo "
+				 "but got %d\n", count, rxcount);
+		}
+
+		rxcount = min(rxcount, count);
+		for (i = rxcount; i > 0; i--) {
+			data = in_8(&fifo->rxdata_8);
+			if (rx_buf)
+				*rx_buf++ = data;
+		}
+		while (in_be32(&fifo->rxcnt)) {
+			in_8(&fifo->rxdata_8);
+		}
+
+		out_8(&psc->command,
+		      MPC52xx_PSC_TX_DISABLE | MPC52xx_PSC_RX_DISABLE);
+	}
+	/* disable transmiter/receiver and fifo interrupt */
+	out_8(&psc->command, MPC52xx_PSC_TX_DISABLE | MPC52xx_PSC_RX_DISABLE);
+	out_be32(&fifo->tximr, 0);
+	return 0;
+}
+
+static void mpc512x_psc_spi_work(struct work_struct *work)
+{
+	struct mpc512x_psc_spi *mps = container_of(work,
+						   struct mpc512x_psc_spi,
+						   work);
+
+	spin_lock_irq(&mps->lock);
+	mps->busy = 1;
+	while (!list_empty(&mps->queue)) {
+		struct spi_message *m;
+		struct spi_device *spi;
+		struct spi_transfer *t = NULL;
+		unsigned cs_change;
+		int status;
+
+		m = container_of(mps->queue.next, struct spi_message, queue);
+		list_del_init(&m->queue);
+		spin_unlock_irq(&mps->lock);
+
+		spi = m->spi;
+		cs_change = 1;
+		status = 0;
+		list_for_each_entry(t, &m->transfers, transfer_list) {
+			if (t->bits_per_word || t->speed_hz) {
+				status = mpc512x_psc_spi_transfer_setup(spi, t);
+				if (status < 0)
+					break;
+			}
+
+			if (cs_change)
+				mpc512x_psc_spi_activate_cs(spi);
+			cs_change = t->cs_change;
+
+			status = mpc512x_psc_spi_transfer_rxtx(spi, t);
+			if (status)
+				break;
+			m->actual_length += t->len;
+
+			if (t->delay_usecs)
+				udelay(t->delay_usecs);
+
+			if (cs_change)
+				mpc512x_psc_spi_deactivate_cs(spi);
+		}
+
+		m->status = status;
+		m->complete(m->context);
+
+		if (status || !cs_change)
+			mpc512x_psc_spi_deactivate_cs(spi);
+
+		mpc512x_psc_spi_transfer_setup(spi, NULL);
+
+		spin_lock_irq(&mps->lock);
+	}
+	mps->busy = 0;
+	spin_unlock_irq(&mps->lock);
+}
+
+static int mpc512x_psc_spi_setup(struct spi_device *spi)
+{
+	struct mpc512x_psc_spi *mps = spi_master_get_devdata(spi->master);
+	struct mpc512x_psc_spi_cs *cs = spi->controller_state;
+	unsigned long flags;
+
+	if (spi->bits_per_word % 8)
+		return -EINVAL;
+
+	if (!cs) {
+		cs = kzalloc(sizeof *cs, GFP_KERNEL);
+		if (!cs)
+			return -ENOMEM;
+		spi->controller_state = cs;
+	}
+
+	cs->bits_per_word = spi->bits_per_word;
+	cs->speed_hz = spi->max_speed_hz;
+
+	spin_lock_irqsave(&mps->lock, flags);
+	if (!mps->busy)
+		mpc512x_psc_spi_deactivate_cs(spi);
+	spin_unlock_irqrestore(&mps->lock, flags);
+
+	return 0;
+}
+
+static int mpc512x_psc_spi_transfer(struct spi_device *spi,
+				    struct spi_message *m)
+{
+	struct mpc512x_psc_spi *mps = spi_master_get_devdata(spi->master);
+	unsigned long flags;
+
+	m->actual_length = 0;
+	m->status = -EINPROGRESS;
+
+	spin_lock_irqsave(&mps->lock, flags);
+	list_add_tail(&m->queue, &mps->queue);
+	queue_work(mps->workqueue, &mps->work);
+	spin_unlock_irqrestore(&mps->lock, flags);
+
+	return 0;
+}
+
+static void mpc512x_psc_spi_cleanup(struct spi_device *spi)
+{
+	kfree(spi->controller_state);
+}
+
+static int mpc512x_psc_spi_port_config(struct spi_master *master,
+				       struct mpc512x_psc_spi *mps)
+{
+	struct mpc52xx_psc __iomem *psc = mps->psc;
+	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;
+	struct clk *spiclk;
+	int ret = 0;
+	char name[32];
+	u32 sicr;
+	u32 ccr;
+	u16 bclkdiv;
+
+	sprintf(name, "psc%d_mclk", master->bus_num);
+	spiclk = clk_get(&master->dev, name);
+	clk_enable(spiclk);
+	mps->mclk = clk_get_rate(spiclk);
+	clk_put(spiclk);
+
+	/* Reset the PSC into a known state */
+	out_8(&psc->command, MPC52xx_PSC_RST_RX);
+	out_8(&psc->command, MPC52xx_PSC_RST_TX);
+	out_8(&psc->command, MPC52xx_PSC_TX_DISABLE | MPC52xx_PSC_RX_DISABLE);
+
+	/* Disable psc interrupts all useful interrupts are in fifo */
+	out_be16(&psc->isr_imr.imr, 0);
+
+	/* Disable fifo interrupts, will be enabled later */
+	out_be32(&fifo->tximr, 0);
+	out_be32(&fifo->rximr, 0);
+
+	/* Setup fifo slice address and size */
+	/*out_be32(&fifo->txsz, 0x0fe00004);*/
+	/*out_be32(&fifo->rxsz, 0x0ff00004);*/
+
+	sicr =	0x01000000 |	/* SIM = 0001 -- 8 bit */
+		0x00800000 |	/* GenClk = 1 -- internal clk */
+		0x00008000 |	/* SPI = 1 */
+		0x00004000 |	/* MSTR = 1   -- SPI master */
+		0x00000800;	/* UseEOF = 1 -- SS low until EOF */
+
+	out_be32(&psc->sicr, sicr);
+
+	ccr = in_be32(&psc->ccr);
+	ccr &= 0xFF000000;
+	bclkdiv = (mps->mclk / 1000000) - 1;	/* default 1MHz */
+	ccr |= (((bclkdiv & 0xff) << 16) | (((bclkdiv >> 8) & 0xff) << 8));
+	out_be32(&psc->ccr, ccr);
+
+	/* Set 2ms DTL delay */
+	out_8(&psc->ctur, 0x00);
+	out_8(&psc->ctlr, 0x82);
+
+	/* we don't use the alarms */
+	out_be32(&fifo->rxalarm, 0xfff);
+	out_be32(&fifo->txalarm, 0);
+
+	/* Enable FIFO slices for Rx/Tx */
+	out_be32(&fifo->rxcmd,
+		 MPC512x_PSC_FIFO_ENABLE_SLICE | MPC512x_PSC_FIFO_ENABLE_DMA);
+	out_be32(&fifo->txcmd,
+		 MPC512x_PSC_FIFO_ENABLE_SLICE | MPC512x_PSC_FIFO_ENABLE_DMA);
+
+	mps->bits_per_word = 8;
+
+	return ret;
+}
+
+static irqreturn_t mpc512x_psc_spi_isr(int irq, void *dev_id)
+{
+	struct mpc512x_psc_spi *mps = (struct mpc512x_psc_spi *)dev_id;
+	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;
+
+	/* clear interrupt and wake up the work queue */
+	if (in_be32(&fifo->txisr) &
+	    in_be32(&fifo->tximr) & MPC512x_PSC_FIFO_EMPTY) {
+		out_be32(&fifo->txisr, MPC512x_PSC_FIFO_EMPTY);
+		out_be32(&fifo->tximr, 0);
+		complete(&mps->done);
+		return IRQ_HANDLED;
+	}
+	return IRQ_NONE;
+}
+
+/* bus_num is used only for the case dev->platform_data == NULL */
+static int __init mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
+					   u32 size, unsigned int irq,
+					   s16 bus_num)
+{
+	struct fsl_spi_platform_data *pdata = dev->platform_data;
+	struct mpc512x_psc_spi *mps;
+	struct spi_master *master;
+	int ret;
+	void *tempp;
+
+	master = spi_alloc_master(dev, sizeof *mps);
+	if (master == NULL)
+		return -ENOMEM;
+
+	dev_set_drvdata(dev, master);
+	mps = spi_master_get_devdata(master);
+	mps->irq = irq;
+
+	if (pdata == NULL) {
+		dev_err(dev, "probe called without platform data, no "
+			"cs_control function will be called\n");
+		mps->cs_control = NULL;
+		mps->sysclk = 0;
+		master->bus_num = bus_num;
+		master->num_chipselect = 255;
+	} else {
+		mps->cs_control = pdata->cs_control;
+		mps->sysclk = pdata->sysclk;
+		master->bus_num = pdata->bus_num;
+		master->num_chipselect = pdata->max_chipselect;
+	}
+
+	master->setup = mpc512x_psc_spi_setup;
+	master->transfer = mpc512x_psc_spi_transfer;
+	master->cleanup = mpc512x_psc_spi_cleanup;
+
+	tempp = ioremap(regaddr, size);
+	if (!tempp) {
+		dev_err(dev, "could not ioremap I/O port range\n");
+		ret = -EFAULT;
+		goto free_master;
+	}
+	mps->psc = tempp;
+	mps->fifo =
+		(struct mpc512x_psc_fifo *)(tempp + sizeof(struct mpc52xx_psc));
+
+	ret = request_irq(mps->irq, mpc512x_psc_spi_isr, IRQF_SHARED,
+			  "mpc512x-psc-spi", mps);
+	if (ret)
+		goto free_master;
+
+	ret = mpc512x_psc_spi_port_config(master, mps);
+	if (ret < 0)
+		goto free_irq;
+
+	spin_lock_init(&mps->lock);
+	init_completion(&mps->done);
+	INIT_WORK(&mps->work, mpc512x_psc_spi_work);
+	INIT_LIST_HEAD(&mps->queue);
+
+	mps->workqueue =
+		create_singlethread_workqueue(dev_name(master->dev.parent));
+	if (mps->workqueue == NULL) {
+		ret = -EBUSY;
+		goto free_irq;
+	}
+
+	ret = spi_register_master(master);
+	if (ret < 0)
+		goto unreg_master;
+
+	return ret;
+
+unreg_master:
+	destroy_workqueue(mps->workqueue);
+free_irq:
+	free_irq(mps->irq, mps);
+free_master:
+	if (mps->psc)
+		iounmap(mps->psc);
+	spi_master_put(master);
+
+	return ret;
+}
+
+static int __exit mpc512x_psc_spi_do_remove(struct device *dev)
+{
+	struct spi_master *master = dev_get_drvdata(dev);
+	struct mpc512x_psc_spi *mps = spi_master_get_devdata(master);
+
+	flush_workqueue(mps->workqueue);
+	destroy_workqueue(mps->workqueue);
+	spi_unregister_master(master);
+	free_irq(mps->irq, mps);
+	if (mps->psc)
+		iounmap(mps->psc);
+
+	return 0;
+}
+
+static int __init mpc512x_psc_spi_of_probe(struct of_device *op,
+					   const struct of_device_id *match)
+{
+	const u32 *regaddr_p;
+	u64 regaddr64, size64;
+	s16 id = -1;
+
+	regaddr_p = of_get_address(op->node, 0, &size64, NULL);
+	if (!regaddr_p) {
+		dev_err(&op->dev, "Invalid PSC address\n");
+		return -EINVAL;
+	}
+	regaddr64 = of_translate_address(op->node, regaddr_p);
+
+	/* get PSC id (0..11, used by port_config) */
+	if (op->dev.platform_data == NULL) {
+		const u32 *psc_nump;
+
+		psc_nump = of_get_property(op->node, "cell-index", NULL);
+		if (!psc_nump || *psc_nump > 11) {
+			dev_err(&op->dev, "mpc512x_psc_spi: Device node %s "
+				"has invalid cell-index property\n",
+				op->node->full_name);
+			return -EINVAL;
+		}
+		id = *psc_nump;
+	}
+
+	return mpc512x_psc_spi_do_probe(&op->dev, (u32) regaddr64, (u32) size64,
+					irq_of_parse_and_map(op->node, 0), id);
+}
+
+static int __exit mpc512x_psc_spi_of_remove(struct of_device *op)
+{
+	return mpc512x_psc_spi_do_remove(&op->dev);
+}
+
+static struct of_device_id mpc512x_psc_spi_of_match[] = {
+	{ .compatible = "fsl,mpc5121-psc-spi", },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, mpc512x_psc_spi_of_match);
+
+static struct of_platform_driver mpc512x_psc_spi_of_driver = {
+	.match_table = mpc512x_psc_spi_of_match,
+	.probe = mpc512x_psc_spi_of_probe,
+	.remove = __exit_p(mpc512x_psc_spi_of_remove),
+	.driver = {
+		.name = "mpc512x-psc-spi",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init mpc512x_psc_spi_init(void)
+{
+	return of_register_platform_driver(&mpc512x_psc_spi_of_driver);
+}
+module_init(mpc512x_psc_spi_init);
+
+static void __exit mpc512x_psc_spi_exit(void)
+{
+	of_unregister_platform_driver(&mpc512x_psc_spi_of_driver);
+}
+module_exit(mpc512x_psc_spi_exit);
+
+MODULE_AUTHOR("John Rigby");
+MODULE_DESCRIPTION("MPC512x PSC SPI Driver");
+MODULE_LICENSE("GPL");

From 41c4221ca6b9db8ea63d2c2323c0e7a8865eba6e Mon Sep 17 00:00:00 2001
From: hartleys <hartleys@visionengravers.com>
Date: Thu, 6 May 2010 20:51:04 +0000
Subject: [PATCH 2918/3638] spi: move bitbang txrx utility functions to private
 header

A number of files in drivers/spi fail checkincludes.pl due to the double
include of <linux/spi/spi_bitbang.h>.

The first include is needed to get the struct spi_bitbang definition and
the spi_bitbang_* function prototypes.

The second include happens after defining EXPAND_BITBANG_TXRX to get the
inlined bitbang_txrx_* utility functions.

The <linux/spi/spi_bitbang.h> header is also included by a number of other
spi drivers, as well as some arch/ code, in order to use struct spi_bitbang
and the associated functions.

To fix the double include, and remove any potential confusion about it, move
the inlined bitbang_txrx_* functions to a new private header in drivers/spi
and also remove the need to define EXPAND_BITBANG_TXRX.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/spi_bitbang_txrx.h  |  93 +++++++++++++++++++++++++++++
 drivers/spi/spi_butterfly.c     |   3 +-
 drivers/spi/spi_gpio.c          |   3 +-
 drivers/spi/spi_lm70llp.c       |   3 +-
 drivers/spi/spi_s3c24xx_gpio.c  |   3 +-
 drivers/spi/spi_sh_sci.c        |   3 +-
 include/linux/spi/spi_bitbang.h | 101 --------------------------------
 7 files changed, 98 insertions(+), 111 deletions(-)
 create mode 100644 drivers/spi/spi_bitbang_txrx.h

diff --git a/drivers/spi/spi_bitbang_txrx.h b/drivers/spi/spi_bitbang_txrx.h
new file mode 100644
index 00000000000..fc033bbf918
--- /dev/null
+++ b/drivers/spi/spi_bitbang_txrx.h
@@ -0,0 +1,93 @@
+/*
+ * Mix this utility code with some glue code to get one of several types of
+ * simple SPI master driver.  Two do polled word-at-a-time I/O:
+ *
+ *   -	GPIO/parport bitbangers.  Provide chipselect() and txrx_word[](),
+ *	expanding the per-word routines from the inline templates below.
+ *
+ *   -	Drivers for controllers resembling bare shift registers.  Provide
+ *	chipselect() and txrx_word[](), with custom setup()/cleanup() methods
+ *	that use your controller's clock and chipselect registers.
+ *
+ * Some hardware works well with requests at spi_transfer scope:
+ *
+ *   -	Drivers leveraging smarter hardware, with fifos or DMA; or for half
+ *	duplex (MicroWire) controllers.  Provide chipselect() and txrx_bufs(),
+ *	and custom setup()/cleanup() methods.
+ */
+
+/*
+ * The code that knows what GPIO pins do what should have declared four
+ * functions, ideally as inlines, before including this header:
+ *
+ *  void setsck(struct spi_device *, int is_on);
+ *  void setmosi(struct spi_device *, int is_on);
+ *  int getmiso(struct spi_device *);
+ *  void spidelay(unsigned);
+ *
+ * setsck()'s is_on parameter is a zero/nonzero boolean.
+ *
+ * setmosi()'s is_on parameter is a zero/nonzero boolean.
+ *
+ * getmiso() is required to return 0 or 1 only. Any other value is invalid
+ * and will result in improper operation.
+ *
+ * A non-inlined routine would call bitbang_txrx_*() routines.  The
+ * main loop could easily compile down to a handful of instructions,
+ * especially if the delay is a NOP (to run at peak speed).
+ *
+ * Since this is software, the timings may not be exactly what your board's
+ * chips need ... there may be several reasons you'd need to tweak timings
+ * in these routines, not just make to make it faster or slower to match a
+ * particular CPU clock rate.
+ */
+
+static inline u32
+bitbang_txrx_be_cpha0(struct spi_device *spi,
+		unsigned nsecs, unsigned cpol,
+		u32 word, u8 bits)
+{
+	/* if (cpol == 0) this is SPI_MODE_0; else this is SPI_MODE_2 */
+
+	/* clock starts at inactive polarity */
+	for (word <<= (32 - bits); likely(bits); bits--) {
+
+		/* setup MSB (to slave) on trailing edge */
+		setmosi(spi, word & (1 << 31));
+		spidelay(nsecs);	/* T(setup) */
+
+		setsck(spi, !cpol);
+		spidelay(nsecs);
+
+		/* sample MSB (from slave) on leading edge */
+		word <<= 1;
+		word |= getmiso(spi);
+		setsck(spi, cpol);
+	}
+	return word;
+}
+
+static inline u32
+bitbang_txrx_be_cpha1(struct spi_device *spi,
+		unsigned nsecs, unsigned cpol,
+		u32 word, u8 bits)
+{
+	/* if (cpol == 0) this is SPI_MODE_1; else this is SPI_MODE_3 */
+
+	/* clock starts at inactive polarity */
+	for (word <<= (32 - bits); likely(bits); bits--) {
+
+		/* setup MSB (to slave) on leading edge */
+		setsck(spi, !cpol);
+		setmosi(spi, word & (1 << 31));
+		spidelay(nsecs); /* T(setup) */
+
+		setsck(spi, cpol);
+		spidelay(nsecs);
+
+		/* sample MSB (from slave) on trailing edge */
+		word <<= 1;
+		word |= getmiso(spi);
+	}
+	return word;
+}
diff --git a/drivers/spi/spi_butterfly.c b/drivers/spi/spi_butterfly.c
index c2184866fa9..8b528128111 100644
--- a/drivers/spi/spi_butterfly.c
+++ b/drivers/spi/spi_butterfly.c
@@ -149,8 +149,7 @@ static void butterfly_chipselect(struct spi_device *spi, int value)
 #define	spidelay(X)	do{}while(0)
 //#define	spidelay	ndelay
 
-#define	EXPAND_BITBANG_TXRX
-#include <linux/spi/spi_bitbang.h>
+#include "spi_bitbang_txrx.h"
 
 static u32
 butterfly_txrx_word_mode0(struct spi_device *spi,
diff --git a/drivers/spi/spi_gpio.c b/drivers/spi/spi_gpio.c
index 26bd03e6185..7edbd5807e0 100644
--- a/drivers/spi/spi_gpio.c
+++ b/drivers/spi/spi_gpio.c
@@ -127,8 +127,7 @@ static inline int getmiso(const struct spi_device *spi)
  */
 #define spidelay(nsecs)	do {} while (0)
 
-#define	EXPAND_BITBANG_TXRX
-#include <linux/spi/spi_bitbang.h>
+#include "spi_bitbang_txrx.h"
 
 /*
  * These functions can leverage inline expansion of GPIO calls to shrink
diff --git a/drivers/spi/spi_lm70llp.c b/drivers/spi/spi_lm70llp.c
index 568c781ad91..86fb7b5993d 100644
--- a/drivers/spi/spi_lm70llp.c
+++ b/drivers/spi/spi_lm70llp.c
@@ -174,8 +174,7 @@ static inline int getmiso(struct spi_device *s)
 }
 /*--------------------------------------------------------------------*/
 
-#define EXPAND_BITBANG_TXRX 1
-#include <linux/spi/spi_bitbang.h>
+#include "spi_bitbang_txrx.h"
 
 static void lm70_chipselect(struct spi_device *spi, int value)
 {
diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c
index bbf9371cd28..8979a75dbd7 100644
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -58,8 +58,7 @@ static inline u32 getmiso(struct spi_device *dev)
 
 #define spidelay(x) ndelay(x)
 
-#define	EXPAND_BITBANG_TXRX
-#include <linux/spi/spi_bitbang.h>
+#include "spi_bitbang_txrx.h"
 
 
 static u32 s3c2410_spigpio_txrx_mode0(struct spi_device *spi,
diff --git a/drivers/spi/spi_sh_sci.c b/drivers/spi/spi_sh_sci.c
index a65c12ffa73..a511be7961a 100644
--- a/drivers/spi/spi_sh_sci.c
+++ b/drivers/spi/spi_sh_sci.c
@@ -78,8 +78,7 @@ static inline u32 getmiso(struct spi_device *dev)
 
 #define spidelay(x) ndelay(x)
 
-#define EXPAND_BITBANG_TXRX
-#include <linux/spi/spi_bitbang.h>
+#include "spi_bitbang_txrx.h"
 
 static u32 sh_sci_spi_txrx_mode0(struct spi_device *spi,
 				      unsigned nsecs, u32 word, u8 bits)
diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h
index 3274c507b8a..f987a2bee16 100644
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -1,24 +1,6 @@
 #ifndef	__SPI_BITBANG_H
 #define	__SPI_BITBANG_H
 
-/*
- * Mix this utility code with some glue code to get one of several types of
- * simple SPI master driver.  Two do polled word-at-a-time I/O:
- *
- *   -	GPIO/parport bitbangers.  Provide chipselect() and txrx_word[](),
- *	expanding the per-word routines from the inline templates below.
- *
- *   -	Drivers for controllers resembling bare shift registers.  Provide
- *	chipselect() and txrx_word[](), with custom setup()/cleanup() methods
- *	that use your controller's clock and chipselect registers.
- *
- * Some hardware works well with requests at spi_transfer scope:
- *
- *   -	Drivers leveraging smarter hardware, with fifos or DMA; or for half
- *	duplex (MicroWire) controllers.  Provide chipselect() and txrx_bufs(),
- *	and custom setup()/cleanup() methods.
- */
-
 #include <linux/workqueue.h>
 
 struct spi_bitbang {
@@ -68,86 +50,3 @@ extern int spi_bitbang_start(struct spi_bitbang *spi);
 extern int spi_bitbang_stop(struct spi_bitbang *spi);
 
 #endif	/* __SPI_BITBANG_H */
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef	EXPAND_BITBANG_TXRX
-
-/*
- * The code that knows what GPIO pins do what should have declared four
- * functions, ideally as inlines, before #defining EXPAND_BITBANG_TXRX
- * and including this header:
- *
- *  void setsck(struct spi_device *, int is_on);
- *  void setmosi(struct spi_device *, int is_on);
- *  int getmiso(struct spi_device *);
- *  void spidelay(unsigned);
- *
- * setsck()'s is_on parameter is a zero/nonzero boolean.
- *
- * setmosi()'s is_on parameter is a zero/nonzero boolean.
- *
- * getmiso() is required to return 0 or 1 only. Any other value is invalid
- * and will result in improper operation.
- *
- * A non-inlined routine would call bitbang_txrx_*() routines.  The
- * main loop could easily compile down to a handful of instructions,
- * especially if the delay is a NOP (to run at peak speed).
- *
- * Since this is software, the timings may not be exactly what your board's
- * chips need ... there may be several reasons you'd need to tweak timings
- * in these routines, not just make to make it faster or slower to match a
- * particular CPU clock rate.
- */
-
-static inline u32
-bitbang_txrx_be_cpha0(struct spi_device *spi,
-		unsigned nsecs, unsigned cpol,
-		u32 word, u8 bits)
-{
-	/* if (cpol == 0) this is SPI_MODE_0; else this is SPI_MODE_2 */
-
-	/* clock starts at inactive polarity */
-	for (word <<= (32 - bits); likely(bits); bits--) {
-
-		/* setup MSB (to slave) on trailing edge */
-		setmosi(spi, word & (1 << 31));
-		spidelay(nsecs);	/* T(setup) */
-
-		setsck(spi, !cpol);
-		spidelay(nsecs);
-
-		/* sample MSB (from slave) on leading edge */
-		word <<= 1;
-		word |= getmiso(spi);
-		setsck(spi, cpol);
-	}
-	return word;
-}
-
-static inline u32
-bitbang_txrx_be_cpha1(struct spi_device *spi,
-		unsigned nsecs, unsigned cpol,
-		u32 word, u8 bits)
-{
-	/* if (cpol == 0) this is SPI_MODE_1; else this is SPI_MODE_3 */
-
-	/* clock starts at inactive polarity */
-	for (word <<= (32 - bits); likely(bits); bits--) {
-
-		/* setup MSB (to slave) on leading edge */
-		setsck(spi, !cpol);
-		setmosi(spi, word & (1 << 31));
-		spidelay(nsecs); /* T(setup) */
-
-		setsck(spi, cpol);
-		spidelay(nsecs);
-
-		/* sample MSB (from slave) on trailing edge */
-		word <<= 1;
-		word |= getmiso(spi);
-	}
-	return word;
-}
-
-#endif	/* EXPAND_BITBANG_TXRX */

From 0c2a2ae32793e3500a15a449612485f5d17dd431 Mon Sep 17 00:00:00 2001
From: Thomas Koeller <thomas.koeller@baslerweb.com>
Date: Mon, 26 Apr 2010 09:01:45 +0000
Subject: [PATCH 2919/3638] spi/davinci: Fix clock prescale factor computation

Computation of the clock prescaler value returned bogus results if
the requested SPI clock was impossible to set. It now sets either
the maximum or minimum clock frequency, as appropriate.

Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/davinci_spi.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c
index 95afb6b7739..b85090caf7c 100644
--- a/drivers/spi/davinci_spi.c
+++ b/drivers/spi/davinci_spi.c
@@ -301,7 +301,7 @@ static int davinci_spi_setup_transfer(struct spi_device *spi,
 	struct davinci_spi *davinci_spi;
 	struct davinci_spi_platform_data *pdata;
 	u8 bits_per_word = 0;
-	u32 hz = 0, prescale;
+	u32 hz = 0, prescale = 0, clkspeed;
 
 	davinci_spi = spi_master_get_devdata(spi->master);
 	pdata = davinci_spi->pdata;
@@ -338,10 +338,16 @@ static int davinci_spi_setup_transfer(struct spi_device *spi,
 	set_fmt_bits(davinci_spi->base, bits_per_word & 0x1f,
 			spi->chip_select);
 
-	prescale = ((clk_get_rate(davinci_spi->clk) / hz) - 1) & 0xff;
+	clkspeed = clk_get_rate(davinci_spi->clk);
+	if (hz > clkspeed / 2)
+		prescale = 1 << 8;
+	if (hz < clkspeed / 256)
+		prescale = 255 << 8;
+	if (!prescale)
+		prescale = ((clkspeed / hz - 1) << 8) & 0x0000ff00;
 
 	clear_fmt_bits(davinci_spi->base, 0x0000ff00, spi->chip_select);
-	set_fmt_bits(davinci_spi->base, prescale << 8, spi->chip_select);
+	set_fmt_bits(davinci_spi->base, prescale, spi->chip_select);
 
 	return 0;
 }

From 34329fae7f88c1d60ff94d5fed5a3bedcd6b2224 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Fri, 21 May 2010 17:35:03 -0500
Subject: [PATCH 2920/3638] ALSA: aw2-alsa.c: use pci_ids.h defines and fix
 checkpatch.pl noise

Use the VENDOR/DEVICE ids provided in pci_ids.h instead of creating
local ids of the same values.

Also, fix the following checkpatch.pl warnings:

WARNING: Use #include <linux/io.h> instead of <asm/io.h>
WARNING: unnecessary whitespace before a quoted newline

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/aw2/aw2-alsa.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/sound/pci/aw2/aw2-alsa.c b/sound/pci/aw2/aw2-alsa.c
index 67921f93a41..c15002242d9 100644
--- a/sound/pci/aw2/aw2-alsa.c
+++ b/sound/pci/aw2/aw2-alsa.c
@@ -26,7 +26,7 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include <sound/pcm.h>
@@ -44,9 +44,6 @@ MODULE_LICENSE("GPL");
 /*********************************
  * DEFINES
  ********************************/
-#define PCI_VENDOR_ID_SAA7146		  0x1131
-#define PCI_DEVICE_ID_SAA7146		  0x7146
-
 #define CTL_ROUTE_ANALOG 0
 #define CTL_ROUTE_DIGITAL 1
 
@@ -165,7 +162,7 @@ module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard.");
 
 static DEFINE_PCI_DEVICE_TABLE(snd_aw2_ids) = {
-	{PCI_VENDOR_ID_SAA7146, PCI_DEVICE_ID_SAA7146, 0, 0,
+	{PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, 0, 0,
 	 0, 0, 0},
 	{0}
 };
@@ -419,7 +416,7 @@ static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
-	snd_printdd(KERN_DEBUG "aw2: Playback_open \n");
+	snd_printdd(KERN_DEBUG "aw2: Playback_open\n");
 	runtime->hw = snd_aw2_playback_hw;
 	return 0;
 }
@@ -435,7 +432,7 @@ static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
-	snd_printdd(KERN_DEBUG "aw2: Capture_open \n");
+	snd_printdd(KERN_DEBUG "aw2: Capture_open\n");
 	runtime->hw = snd_aw2_capture_hw;
 	return 0;
 }

From 7a68be94e22e7643038726ebc14360752a91800b Mon Sep 17 00:00:00 2001
From: Daniel T Chen <crimsun@ubuntu.com>
Date: Sat, 22 May 2010 12:05:41 -0400
Subject: [PATCH 2921/3638] ALSA: hda: Use LPIB for Acer Aspire 5110

BugLink: https://launchpad.net/bugs/583983

Symptom: on a significant number of hardware, booting from a live cd
results in capture working correctly, but once the distribution is
installed, booting from the install results in capture not working.

Test case: boot from Ubuntu 10.04 LTS live cd; capture works correctly.
Install to HD and reboot; capture does not work. Reproduced with 2.6.32
mainline build (vanilla kernel.org compile).

Resolution: add SSID for Acer Aspire 5110 to the position_fix quirk
table, explicitly specifying the LPIB method.

I'll be sending additional patches for these SSIDs as bug reports are
confirmed.

Reported-and-Tested-By: Leo
Cc: <stable@kernel.org>
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 170610e1d7d..ec554fc7a00 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2279,6 +2279,7 @@ static int azx_dev_free(struct snd_device *device)
  * white/black-listing for position_fix
  */
 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
+	SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),

From 4e0938dba7fccf37a4aecba4d937da7f312b5d55 Mon Sep 17 00:00:00 2001
From: Daniel T Chen <crimsun@ubuntu.com>
Date: Sat, 22 May 2010 13:12:22 -0400
Subject: [PATCH 2922/3638] ALSA: hda: Use LPIB for Toshiba A100-259

BugLink: https://launchpad.net/bugs/549560

Symptom: on a significant number of hardware, booting from a live cd
results in capture working correctly, but once the distribution is
installed, booting from the install results in capture not working.

Test case: boot from Ubuntu 10.04 LTS live cd; capture works correctly.
Install to HD and reboot; capture does not work. Reproduced with 2.6.32
mainline build (vanilla kernel.org compile)

Resolution: add SSID for Toshiba A100-259 to the position_fix quirk
table, explicitly specifying the LPIB method.

I'll be sending additional patches for these SSIDs as bug reports are
confirmed.

This patch also trivially sorts the quirk table in ascending order by
subsystem vendor.

Reported-and-Tested-by: <davide.molteni@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index ec554fc7a00..14d895bcf3f 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2284,8 +2284,9 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
-	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1179, 0xff10, "Toshiba A100-259", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1565, 0x820f, "Biostar Microtech", POS_FIX_LPIB),

From b7cccc52feb142f48beae1566b749480fa9989de Mon Sep 17 00:00:00 2001
From: "Justin P. Mattock" <justinmattock@gmail.com>
Date: Sun, 23 May 2010 10:55:00 -0700
Subject: [PATCH 2923/3638] ALSA: hda - iMac9,1 sound fixes

First issue:
With the original patch, I've noticed by unmuting the mic
(and even having it muted), there is a distorted("Noise")
coming from the internal speakers, even when the headphones are plugged in.
What my finding's revealed is:

	/* Mic (rear) pin: input vref at 80% */
	{0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},

From the original patch. Looking at codec#0 0x18/0x1a is listed as:

Node 0x18 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x00 0x00]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x0000373c: IN OUT HP Detect
    Vref caps: HIZ 50 GRD 80 100
  Pin Default 0x90100141: [Fixed] Speaker at Int N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0x4, Sequence = 0x1
    Misc = NO_PRESENCE
  Pin-ctls: 0x41: OUT VREF_50
  Unsolicited: tag=00, enabled=0
  Connection: 5
     0x0c* 0x0d 0x0e 0x0f 0x26

seems this Node is listed as: [Fixed] Speaker while 0x15

Node 0x15 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x00 0x00]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x0000373c: IN OUT HP Detect
    Vref caps: HIZ 50 GRD 80 100
  Pin Default 0x018b3020: [Jack] Line In at Ext Rear
    Conn = Comb, Color = Blue
    DefAssociation = 0x2, Sequence = 0x0
  Pin-ctls: 0x01: VREF_50
  Unsolicited: tag=00, enabled=0
  Connection: 5
     0x0c 0x0d* 0x0e 0x0f 0x26

is [Jack] Line In at Ext Rear.
(looking at the other apple products as examples
I came up with the fix below).

Second issue:
alc885_mbp_4ch_modes
The original patch does a good job with the
HP pin automute function, but from what I noticed is I would have to manually
change the channel form 2 to 4 after plugging the headphones in.
And not to mention having odd moments to where I was jamming out
with the headphones on, then later realized I had sound blasting out
of the speakers as well. My findings revealed that changing
alc885_mbp_4ch_modes to alc885_mba21_ch_modes and setting
-	spec->autocfg.speaker_pins[0] = 0x15;
+	spec->autocfg.speaker_pins[0] = 0x18;
gets the automute function when the headphones plugged in working
flawlessly(and the no need to manually change the channel number
afterwards).

Third issue:
alc885_imac91_mixer
There probably doesnt need to be anything changed with this
(esspecially if your one to like lots of sliders),but my findings
revealed that mac osx only has a master on the top right,
another switch on itunes, and then a slider for the mic.

So the changes I did below try and mimic osx as much as possible
(only thing I had an issue with is just having one mute switch
on the master, instead of having two(still investigating)).

fourth issue:
alc882_capture_source
I endeded up creating alc889A_imac91_capture_source()
only  because looking at alc882_capture_source I see
that the mic is set to 0x1 while this works, I also noticed
that adding 0x1 and 0x01 and testing that 0x1 somehow
stops working, and 0x01 works(so I figured 0x01 was more
of the alpha of the numbers(still need to figure out
where that valuse is)). In any case the microphone
does work with the original, and with the below patch, but both
still record not as clean(lots of "Noise", which I would like to
look into too).
Note: using alsamixer -Va reveals the capture switches.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 90 +++++++++++++++++------------------
 1 file changed, 43 insertions(+), 47 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 53538b0f999..17d4548cc35 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7025,6 +7025,14 @@ static struct hda_input_mux alc889A_mb31_capture_source = {
 	},
 };
 
+static struct hda_input_mux alc889A_imac91_capture_source = {
+	.num_items = 2,
+	.items = {
+		{ "Mic", 0x01 },
+		{ "Line", 0x2 }, /* Not sure! */
+	},
+};
+
 /*
  * 2ch mode
  */
@@ -7486,15 +7494,8 @@ static struct snd_kcontrol_new alc885_macmini3_mixer[] = {
 };
 
 static struct snd_kcontrol_new alc885_imac91_mixer[] = {
-	HDA_CODEC_VOLUME("Line-Out Playback Volume", 0x0c, 0x00, HDA_OUTPUT),
-	HDA_BIND_MUTE   ("Line-Out Playback Switch", 0x0c, 0x02, HDA_INPUT),
-	HDA_CODEC_MUTE  ("Speaker Playback Switch", 0x14, 0x00, HDA_OUTPUT),
-	HDA_CODEC_VOLUME("Speaker Playback Volume", 0x0d, 0x00, HDA_OUTPUT),
-	HDA_CODEC_VOLUME("Line Playback Volume", 0x0b, 0x02, HDA_INPUT),
-	HDA_CODEC_MUTE  ("Line Playback Switch", 0x0b, 0x02, HDA_INPUT),
-	HDA_CODEC_VOLUME("Mic Playback Volume", 0x0b, 0x00, HDA_INPUT),
-	HDA_CODEC_MUTE  ("Mic Playback Switch", 0x0b, 0x00, HDA_INPUT),
-	HDA_CODEC_VOLUME("Mic Boost", 0x18, 0x00, HDA_INPUT),
+	HDA_CODEC_VOLUME("Speaker Playback Volume", 0x0c, 0x00, HDA_OUTPUT),
+	HDA_BIND_MUTE("Speaker Playback Switch", 0x0c, 0x02, HDA_INPUT),
 	{ } /* end */
 };
 
@@ -7995,61 +7996,56 @@ static struct hda_verb alc885_mbp3_init_verbs[] = {
 
 /* iMac 9,1 */
 static struct hda_verb alc885_imac91_init_verbs[] = {
-	/* Line-Out mixer: unmute input/output amp left and right (volume = 0) */
-	{0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
-	{0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
-	{0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	/* Internal Speaker Pin (0x0c) */
+	{0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, (PIN_OUT | AC_PINCTL_VREF_50) },
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
+	{0x18, AC_VERB_SET_CONNECT_SEL, 0x00},
+	{0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, (PIN_OUT | AC_PINCTL_VREF_50) },
+	{0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
+	{0x1a, AC_VERB_SET_CONNECT_SEL, 0x00},
+	/* HP Pin: Rear */
+	{0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP},
+	{0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
+	{0x14, AC_VERB_SET_CONNECT_SEL, 0x00},
+	{0x14, AC_VERB_SET_UNSOLICITED_ENABLE, (ALC880_HP_EVENT | AC_USRSP_EN)},
+	/* Line in Rear */
+	{0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, AC_PINCTL_VREF_50},
+	{0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+	/* Front Mic pin: input vref at 80% */
+	{0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
+	{0x19, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
 	/* Rear mixer */
 	{0x0d, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
 	{0x0d, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
 	{0x0d, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
-	/* HP Pin: output 0 (0x0c) */
-	{0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP},
-	{0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
-	{0x14, AC_VERB_SET_CONNECT_SEL, 0x00},
-	{0x14, AC_VERB_SET_UNSOLICITED_ENABLE, ALC880_HP_EVENT | AC_USRSP_EN},
-	/* Internal Speakers: output 0 (0x0d) */
-	{0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
-	{0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
-	{0x15, AC_VERB_SET_CONNECT_SEL, 0x00},
-	/* Mic (rear) pin: input vref at 80% */
-	{0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
-	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
-	/* Front Mic pin: input vref at 80% */
-	{0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
-	{0x19, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
-	/* Line In pin: use output 1 when in LineOut mode */
-	{0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN},
-	{0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
-	{0x1a, AC_VERB_SET_CONNECT_SEL, 0x01},
-
-	/* FIXME: use matrix-type input source selection */
-	/* Mixer elements: 0x18, 19, 1a, 1b, 1c, 1d, 14, 15, 16, 17, 0b */
-	/* Input mixer1: unmute Mic, F-Mic, Line, CD inputs */
+	/* Line-Out mixer: unmute input/output amp left and right (volume = 0) */
+	{0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	/* 0x24 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In */
 	{0x24, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 	{0x24, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
 	{0x24, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
 	{0x24, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
-	/* Input mixer2 */
+	/* 0x23 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In */
 	{0x23, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 	{0x23, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
 	{0x23, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
 	{0x23, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
-	/* Input mixer3 */
+	/* 0x22 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In */
 	{0x22, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 	{0x22, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
 	{0x22, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
 	{0x22, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
-	/* ADC1: mute amp left and right */
+	/* 0x07 [Audio Input] wcaps 0x10011b: Stereo Amp-In */
 	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
 	{0x07, AC_VERB_SET_CONNECT_SEL, 0x00},
-	/* ADC2: mute amp left and right */
+	/* 0x08 [Audio Input] wcaps 0x10011b: Stereo Amp-In */
 	{0x08, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
 	{0x08, AC_VERB_SET_CONNECT_SEL, 0x00},
-	/* ADC3: mute amp left and right */
+	/* 0x09 [Audio Input] wcaps 0x10011b: Stereo Amp-In */
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
 	{0x09, AC_VERB_SET_CONNECT_SEL, 0x00},
-
 	{ }
 };
 
@@ -8118,7 +8114,7 @@ static void alc885_imac91_setup(struct hda_codec *codec)
 	struct alc_spec *spec = codec->spec;
 
 	spec->autocfg.hp_pins[0] = 0x14;
-	spec->autocfg.speaker_pins[0] = 0x15;
+	spec->autocfg.speaker_pins[0] = 0x18;
 	spec->autocfg.speaker_pins[1] = 0x1a;
 }
 
@@ -9627,14 +9623,14 @@ static struct alc_config_preset alc882_presets[] = {
 		.init_hook = alc885_imac24_init_hook,
 	},
 	[ALC885_IMAC91] = {
-		.mixers = { alc885_imac91_mixer, alc882_chmode_mixer },
+		.mixers = {alc885_imac91_mixer},
 		.init_verbs = { alc885_imac91_init_verbs,
 				alc880_gpio1_init_verbs },
 		.num_dacs = ARRAY_SIZE(alc882_dac_nids),
 		.dac_nids = alc882_dac_nids,
-		.channel_mode = alc885_mbp_4ch_modes,
-		.num_channel_mode = ARRAY_SIZE(alc885_mbp_4ch_modes),
-		.input_mux = &alc882_capture_source,
+		.channel_mode = alc885_mba21_ch_modes,
+		.num_channel_mode = ARRAY_SIZE(alc885_mba21_ch_modes),
+		.input_mux = &alc889A_imac91_capture_source,
 		.dig_out_nid = ALC882_DIGOUT_NID,
 		.dig_in_nid = ALC882_DIGIN_NID,
 		.unsol_event = alc_automute_amp_unsol_event,

From 66668b6fb6861fad7f6bfef6646ac84693474c9a Mon Sep 17 00:00:00 2001
From: Daniel T Chen <crimsun@ubuntu.com>
Date: Sun, 23 May 2010 20:47:45 -0400
Subject: [PATCH 2924/3638] ALSA: hda: Fix model quirk for Dell M1730

BugLink: https://launchpad.net/bugs/576160

Symptom: Currently (2.6.32.12) the Dell M1730 uses the 3stack model
quirk. Unfortunately this means that capture is not functional out-
of-the-box despite ensuring that capture settings are unmuted and
raised fully.

Test case: boot from Ubuntu 10.04 LTS live cd; capture does not
work.

Resolution: Correct the model quirk for Dell M1730 to rely on the
BIOS configuration.

This patch also trivially sorts the quirk into the correct section
based on the comments.

Reported-and-Tested-By: <picdragon99@msn.com>
Tested-By: Daren Hayward
Tested-By: Tobias Krais
Cc: <stable@kernel.org>
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index a0e06d82da1..f1e7babd692 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2078,12 +2078,12 @@ static struct snd_pci_quirk stac927x_cfg_tbl[] = {
 	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_INTEL, 0xff00, 0x2000,
 			   "Intel D965", STAC_D965_3ST),
 	/* Dell 3 stack systems */
-	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x01f7, "Dell XPS M1730", STAC_DELL_3ST),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x01dd, "Dell Dimension E520", STAC_DELL_3ST),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x01ed, "Dell     ", STAC_DELL_3ST),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x01f4, "Dell     ", STAC_DELL_3ST),
 	/* Dell 3 stack systems with verb table in BIOS */
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x01f3, "Dell Inspiron 1420", STAC_DELL_BIOS),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x01f7, "Dell XPS M1730", STAC_DELL_BIOS),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x0227, "Dell Vostro 1400  ", STAC_DELL_BIOS),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x022e, "Dell     ", STAC_DELL_BIOS),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x022f, "Dell Inspiron 1525", STAC_DELL_BIOS),

From bf6a67ee3427ab142136e03e90d0b67ecbca5ff2 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 25 May 2010 00:48:24 -0600
Subject: [PATCH 2925/3638] spi/xilinx: Fix compile error

Commit 58f9b0b02414062eaff46716bc04b47d7e79add5, "of: eliminate
of_device->node and dev_archdata->{of,prom}_node" changed the location
of the device_node pointer.  Most drivers were converted to the new
location, but the xilinx_spi_of driver was missed and now fails to
compile.

This patch fixes up the xilinx_spi_of driver to use the new location.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/spi/xilinx_spi_of.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/xilinx_spi_of.c b/drivers/spi/xilinx_spi_of.c
index 55c58012a02..4654805b08d 100644
--- a/drivers/spi/xilinx_spi_of.c
+++ b/drivers/spi/xilinx_spi_of.c
@@ -48,13 +48,13 @@ static int __devinit xilinx_spi_of_probe(struct of_device *ofdev,
 	const u32 *prop;
 	int len;
 
-	rc = of_address_to_resource(ofdev->node, 0, &r_mem);
+	rc = of_address_to_resource(ofdev->dev.of_node, 0, &r_mem);
 	if (rc) {
 		dev_warn(&ofdev->dev, "invalid address\n");
 		return rc;
 	}
 
-	rc = of_irq_to_resource(ofdev->node, 0, &r_irq);
+	rc = of_irq_to_resource(ofdev->dev.of_node, 0, &r_irq);
 	if (rc == NO_IRQ) {
 		dev_warn(&ofdev->dev, "no IRQ found\n");
 		return -ENODEV;
@@ -67,7 +67,7 @@ static int __devinit xilinx_spi_of_probe(struct of_device *ofdev,
 		return -ENOMEM;
 
 	/* number of slave select bits is required */
-	prop = of_get_property(ofdev->node, "xlnx,num-ss-bits", &len);
+	prop = of_get_property(ofdev->dev.of_node, "xlnx,num-ss-bits", &len);
 	if (!prop || len < sizeof(*prop)) {
 		dev_warn(&ofdev->dev, "no 'xlnx,num-ss-bits' property\n");
 		return -EINVAL;
@@ -81,7 +81,7 @@ static int __devinit xilinx_spi_of_probe(struct of_device *ofdev,
 	dev_set_drvdata(&ofdev->dev, master);
 
 	/* Add any subnodes on the SPI bus */
-	of_register_spi_devices(master, ofdev->node);
+	of_register_spi_devices(master, ofdev->dev.of_node);
 
 	return 0;
 }

From 206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378 Mon Sep 17 00:00:00 2001
From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: Wed, 19 May 2010 18:55:16 +0200
Subject: [PATCH 2926/3638] HID: roccat: propagate special events of roccat
 hardware to userspace

Module roccat is a char device used to report special events of roccat hardware
to userland. These events include requests for on-screen-display of profile or
dpi settings or requests for execution of macro sequences that are not stored
in device. The information in these events depends on hid device implementation
and contains data that is not available in a single hid event or else hidraw
could have been used.

It is inspired by hidraw, but uses only one circular buffer for all readers.
The device is as generic as possible so that the functionality is usable by all
(kone and upcomming) roccat device drivers.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/Kconfig           |   8 +
 drivers/hid/Makefile          |   1 +
 drivers/hid/hid-roccat-kone.c |  49 ++++
 drivers/hid/hid-roccat-kone.h |   9 +
 drivers/hid/hid-roccat.c      | 428 ++++++++++++++++++++++++++++++++++
 drivers/hid/hid-roccat.h      |  31 +++
 6 files changed, 526 insertions(+)
 create mode 100644 drivers/hid/hid-roccat.c
 create mode 100644 drivers/hid/hid-roccat.h

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 76ba59b9fea..132278fa624 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -347,6 +347,14 @@ config HID_QUANTA
 	---help---
 	Support for Quanta Optical Touch dual-touch panels.
 
+config HID_ROCCAT
+	tristate "Roccat special event support"
+	depends on USB_HID
+	---help---
+	Support for Roccat special events.
+	Say Y here if you have a Roccat mouse or keyboard and want OSD or
+	macro execution support.
+
 config HID_ROCCAT_KONE
 	tristate "Roccat Kone Mouse support"
 	depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 22e47eaeea3..987fa062736 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -48,6 +48,7 @@ obj-$(CONFIG_HID_QUANTA)	+= hid-quanta.o
 obj-$(CONFIG_HID_PANTHERLORD)	+= hid-pl.o
 obj-$(CONFIG_HID_PETALYNX)	+= hid-petalynx.o
 obj-$(CONFIG_HID_PICOLCD)	+= hid-picolcd.o
+obj-$(CONFIG_HID_ROCCAT)	+= hid-roccat.o
 obj-$(CONFIG_HID_ROCCAT_KONE)	+= hid-roccat-kone.o
 obj-$(CONFIG_HID_SAMSUNG)	+= hid-samsung.o
 obj-$(CONFIG_HID_SMARTJOYPLUS)	+= hid-sjoy.o
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index b6371d3fe0f..17f2dc04f88 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -37,6 +37,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include "hid-ids.h"
+#include "hid-roccat.h"
 #include "hid-roccat-kone.h"
 
 static void kone_set_settings_checksum(struct kone_settings *settings)
@@ -849,6 +850,16 @@ static int kone_init_specials(struct hid_device *hdev)
 					"couldn't init struct kone_device\n");
 			goto exit_free;
 		}
+
+		retval = roccat_connect(hdev);
+		if (retval < 0) {
+			dev_err(&hdev->dev, "couldn't init char dev\n");
+			/* be tolerant about not getting chrdev */
+		} else {
+			kone->roccat_claimed = 1;
+			kone->chrdev_minor = retval;
+		}
+
 		retval = kone_create_sysfs_attributes(intf);
 		if (retval) {
 			dev_err(&hdev->dev, "cannot create sysfs files\n");
@@ -868,10 +879,14 @@ exit_free:
 static void kone_remove_specials(struct hid_device *hdev)
 {
 	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct kone_device *kone;
 
 	if (intf->cur_altsetting->desc.bInterfaceProtocol
 			== USB_INTERFACE_PROTOCOL_MOUSE) {
 		kone_remove_sysfs_attributes(intf);
+		kone = hid_get_drvdata(hdev);
+		if (kone->roccat_claimed)
+			roccat_disconnect(kone->chrdev_minor);
 		kfree(hid_get_drvdata(hdev));
 	}
 }
@@ -930,6 +945,37 @@ static void kone_keep_values_up_to_date(struct kone_device *kone,
 	}
 }
 
+static void kone_report_to_chrdev(struct kone_device const *kone,
+		struct kone_mouse_event const *event)
+{
+	struct kone_roccat_report roccat_report;
+
+	switch (event->event) {
+	case kone_mouse_event_switch_profile:
+	case kone_mouse_event_switch_dpi:
+	case kone_mouse_event_osd_profile:
+	case kone_mouse_event_osd_dpi:
+		roccat_report.event = event->event;
+		roccat_report.value = event->value;
+		roccat_report.key = 0;
+		roccat_report_event(kone->chrdev_minor,
+				(uint8_t *)&roccat_report,
+				sizeof(struct kone_roccat_report));
+		break;
+	case kone_mouse_event_call_overlong_macro:
+		if (event->value == kone_keystroke_action_press) {
+			roccat_report.event = kone_mouse_event_call_overlong_macro;
+			roccat_report.value = kone->actual_profile;
+			roccat_report.key = event->macro_key;
+			roccat_report_event(kone->chrdev_minor,
+					(uint8_t *)&roccat_report,
+					sizeof(struct kone_roccat_report));
+		}
+		break;
+	}
+
+}
+
 /*
  * Is called for keyboard- and mousepart.
  * Only mousepart gets informations about special events in its extended event
@@ -958,6 +1004,9 @@ static int kone_raw_event(struct hid_device *hdev, struct hid_report *report,
 
 	kone_keep_values_up_to_date(kone, event);
 
+	if (kone->roccat_claimed)
+		kone_report_to_chrdev(kone, event);
+
 	return 0; /* always do further processing */
 }
 
diff --git a/drivers/hid/hid-roccat-kone.h b/drivers/hid/hid-roccat-kone.h
index b413b10a7f8..003e6f81c19 100644
--- a/drivers/hid/hid-roccat-kone.h
+++ b/drivers/hid/hid-roccat-kone.h
@@ -189,6 +189,12 @@ enum kone_commands {
 	kone_command_firmware = 0xe5a
 };
 
+struct kone_roccat_report {
+	uint8_t event;
+	uint8_t value; /* holds dpi or profile value */
+	uint8_t key; /* macro key on overlong macro execution */
+};
+
 #pragma pack(pop)
 
 struct kone_device {
@@ -219,6 +225,9 @@ struct kone_device {
 	 * so it's read only once
 	 */
 	int firmware_version;
+
+	int roccat_claimed;
+	int chrdev_minor;
 };
 
 #endif
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c
new file mode 100644
index 00000000000..e05d48edb66
--- /dev/null
+++ b/drivers/hid/hid-roccat.c
@@ -0,0 +1,428 @@
+/*
+ * Roccat driver for Linux
+ *
+ * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+/*
+ * Module roccat is a char device used to report special events of roccat
+ * hardware to userland. These events include requests for on-screen-display of
+ * profile or dpi settings or requests for execution of macro sequences that are
+ * not stored in device. The information in these events depends on hid device
+ * implementation and contains data that is not available in a single hid event
+ * or else hidraw could have been used.
+ * It is inspired by hidraw, but uses only one circular buffer for all readers.
+ */
+
+#include <linux/cdev.h>
+#include <linux/poll.h>
+#include <linux/sched.h>
+
+#include "hid-roccat.h"
+
+#define ROCCAT_FIRST_MINOR 0
+#define ROCCAT_MAX_DEVICES 8
+
+/* should be a power of 2 for performance reason */
+#define ROCCAT_CBUF_SIZE 16
+
+struct roccat_report {
+	uint8_t *value;
+	int len;
+};
+
+struct roccat_device {
+	unsigned int minor;
+	int open;
+	int exist;
+	wait_queue_head_t wait;
+	struct device *dev;
+	struct hid_device *hid;
+	struct list_head readers;
+	/* protects modifications of readers list */
+	struct mutex readers_lock;
+
+	/*
+	 * circular_buffer has one writer and multiple readers with their own
+	 * read pointers
+	 */
+	struct roccat_report cbuf[ROCCAT_CBUF_SIZE];
+	int cbuf_end;
+	struct mutex cbuf_lock;
+};
+
+struct roccat_reader {
+	struct list_head node;
+	struct roccat_device *device;
+	int cbuf_start;
+};
+
+static int roccat_major;
+static struct class *roccat_class;
+static struct cdev roccat_cdev;
+
+static struct roccat_device *devices[ROCCAT_MAX_DEVICES];
+/* protects modifications of devices array */
+static DEFINE_MUTEX(devices_lock);
+
+static ssize_t roccat_read(struct file *file, char __user *buffer,
+		size_t count, loff_t *ppos)
+{
+	struct roccat_reader *reader = file->private_data;
+	struct roccat_device *device = reader->device;
+	struct roccat_report *report;
+	ssize_t retval = 0, len;
+	DECLARE_WAITQUEUE(wait, current);
+
+	mutex_lock(&device->cbuf_lock);
+
+	/* no data? */
+	if (reader->cbuf_start == device->cbuf_end) {
+		add_wait_queue(&device->wait, &wait);
+		set_current_state(TASK_INTERRUPTIBLE);
+
+		/* wait for data */
+		while (reader->cbuf_start == device->cbuf_end) {
+			if (file->f_flags & O_NONBLOCK) {
+				retval = -EAGAIN;
+				break;
+			}
+			if (signal_pending(current)) {
+				retval = -ERESTARTSYS;
+				break;
+			}
+			if (!device->exist) {
+				retval = -EIO;
+				break;
+			}
+
+			mutex_unlock(&device->cbuf_lock);
+			schedule();
+			mutex_lock(&device->cbuf_lock);
+			set_current_state(TASK_INTERRUPTIBLE);
+		}
+
+		set_current_state(TASK_RUNNING);
+		remove_wait_queue(&device->wait, &wait);
+	}
+
+	/* here we either have data or a reason to return if retval is set */
+	if (retval)
+		goto exit_unlock;
+
+	report = &device->cbuf[reader->cbuf_start];
+	/*
+	 * If report is larger than requested amount of data, rest of report
+	 * is lost!
+	 */
+	len = report->len > count ? count : report->len;
+
+	if (copy_to_user(buffer, report->value, len)) {
+		retval = -EFAULT;
+		goto exit_unlock;
+	}
+	retval += len;
+	reader->cbuf_start = (reader->cbuf_start + 1) % ROCCAT_CBUF_SIZE;
+
+exit_unlock:
+	mutex_unlock(&device->cbuf_lock);
+	return retval;
+}
+
+static unsigned int roccat_poll(struct file *file, poll_table *wait)
+{
+	struct roccat_reader *reader = file->private_data;
+	poll_wait(file, &reader->device->wait, wait);
+	if (reader->cbuf_start != reader->device->cbuf_end)
+		return POLLIN | POLLRDNORM;
+	if (!reader->device->exist)
+		return POLLERR | POLLHUP;
+	return 0;
+}
+
+static int roccat_open(struct inode *inode, struct file *file)
+{
+	unsigned int minor = iminor(inode);
+	struct roccat_reader *reader;
+	struct roccat_device *device;
+	int error = 0;
+
+	reader = kzalloc(sizeof(struct roccat_reader), GFP_KERNEL);
+	if (!reader)
+		return -ENOMEM;
+
+	mutex_lock(&devices_lock);
+
+	device = devices[minor];
+
+	mutex_lock(&device->readers_lock);
+
+	if (!device) {
+		printk(KERN_EMERG "roccat device with minor %d doesn't exist\n",
+				minor);
+		error = -ENODEV;
+		goto exit_unlock;
+	}
+
+	if (!device->open++) {
+		/* power on device on adding first reader */
+		if (device->hid->ll_driver->power) {
+			error = device->hid->ll_driver->power(device->hid,
+					PM_HINT_FULLON);
+			if (error < 0) {
+				--device->open;
+				goto exit_unlock;
+			}
+		}
+		error = device->hid->ll_driver->open(device->hid);
+		if (error < 0) {
+			if (device->hid->ll_driver->power)
+				device->hid->ll_driver->power(device->hid,
+						PM_HINT_NORMAL);
+			--device->open;
+			goto exit_unlock;
+		}
+	}
+
+	reader->device = device;
+	/* new reader doesn't get old events */
+	reader->cbuf_start = device->cbuf_end;
+
+	list_add_tail(&reader->node, &device->readers);
+	file->private_data = reader;
+
+exit_unlock:
+	mutex_unlock(&device->readers_lock);
+	mutex_unlock(&devices_lock);
+	return error;
+}
+
+static int roccat_release(struct inode *inode, struct file *file)
+{
+	unsigned int minor = iminor(inode);
+	struct roccat_reader *reader = file->private_data;
+	struct roccat_device *device;
+
+	mutex_lock(&devices_lock);
+
+	device = devices[minor];
+	if (!device) {
+		mutex_unlock(&devices_lock);
+		printk(KERN_EMERG "roccat device with minor %d doesn't exist\n",
+				minor);
+		return -ENODEV;
+	}
+
+	mutex_lock(&device->readers_lock);
+	list_del(&reader->node);
+	mutex_unlock(&device->readers_lock);
+	kfree(reader);
+
+	if (!--device->open) {
+		/* removing last reader */
+		if (device->exist) {
+			if (device->hid->ll_driver->power)
+				device->hid->ll_driver->power(device->hid,
+						PM_HINT_NORMAL);
+			device->hid->ll_driver->close(device->hid);
+		} else {
+			kfree(device);
+		}
+	}
+
+	mutex_unlock(&devices_lock);
+
+	return 0;
+}
+
+/*
+ * roccat_report_event() - output data to readers
+ * @minor: minor device number returned by roccat_connect()
+ * @data: pointer to data
+ * @len: size of data
+ *
+ * Return value is zero on success, a negative error code on failure.
+ *
+ * This is called from interrupt handler.
+ */
+int roccat_report_event(int minor, u8 const *data, int len)
+{
+	struct roccat_device *device;
+	struct roccat_reader *reader;
+	struct roccat_report *report;
+	uint8_t *new_value;
+
+	new_value = kmemdup(data, len, GFP_ATOMIC);
+	if (!new_value)
+		return -ENOMEM;
+
+	device = devices[minor];
+
+	report = &device->cbuf[device->cbuf_end];
+
+	/* passing NULL is safe */
+	kfree(report->value);
+
+	report->value = new_value;
+	report->len = len;
+	device->cbuf_end = (device->cbuf_end + 1) % ROCCAT_CBUF_SIZE;
+
+	list_for_each_entry(reader, &device->readers, node) {
+		/*
+		 * As we already inserted one element, the buffer can't be
+		 * empty. If start and end are equal, buffer is full and we
+		 * increase start, so that slow reader misses one event, but
+		 * gets the newer ones in the right order.
+		 */
+		if (reader->cbuf_start == device->cbuf_end)
+			reader->cbuf_start = (reader->cbuf_start + 1) % ROCCAT_CBUF_SIZE;
+	}
+
+	wake_up_interruptible(&device->wait);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(roccat_report_event);
+
+/*
+ * roccat_connect() - create a char device for special event output
+ * @hid: the hid device the char device should be connected to.
+ *
+ * Return value is minor device number in Range [0, ROCCAT_MAX_DEVICES] on
+ * success, a negative error code on failure.
+ */
+int roccat_connect(struct hid_device *hid)
+{
+	unsigned int minor;
+	struct roccat_device *device;
+	int temp;
+
+	device = kzalloc(sizeof(struct roccat_device), GFP_KERNEL);
+	if (!device)
+		return -ENOMEM;
+
+	mutex_lock(&devices_lock);
+
+	for (minor = 0; minor < ROCCAT_MAX_DEVICES; ++minor) {
+		if (devices[minor])
+			continue;
+		break;
+	}
+
+	if (minor < ROCCAT_MAX_DEVICES) {
+		devices[minor] = device;
+	} else {
+		mutex_unlock(&devices_lock);
+		kfree(device);
+		return -EINVAL;
+	}
+
+	device->dev = device_create(roccat_class, &hid->dev,
+			MKDEV(roccat_major, minor), NULL,
+			"%s%s%d", "roccat", hid->driver->name, minor);
+
+	if (IS_ERR(device->dev)) {
+		devices[minor] = NULL;
+		mutex_unlock(&devices_lock);
+		temp = PTR_ERR(device->dev);
+		kfree(device);
+		return temp;
+	}
+
+	mutex_unlock(&devices_lock);
+
+	init_waitqueue_head(&device->wait);
+	INIT_LIST_HEAD(&device->readers);
+	mutex_init(&device->readers_lock);
+	mutex_init(&device->cbuf_lock);
+	device->minor = minor;
+	device->hid = hid;
+	device->exist = 1;
+	device->cbuf_end = 0;
+
+	return minor;
+}
+EXPORT_SYMBOL_GPL(roccat_connect);
+
+/* roccat_disconnect() - remove char device from hid device
+ * @minor: the minor device number returned by roccat_connect()
+ */
+void roccat_disconnect(int minor)
+{
+	struct roccat_device *device;
+
+	mutex_lock(&devices_lock);
+	device = devices[minor];
+	devices[minor] = NULL;
+	mutex_unlock(&devices_lock);
+
+	device->exist = 0; /* TODO exist maybe not needed */
+
+	device_destroy(roccat_class, MKDEV(roccat_major, minor));
+
+	if (device->open) {
+		device->hid->ll_driver->close(device->hid);
+		wake_up_interruptible(&device->wait);
+	} else {
+		kfree(device);
+	}
+}
+EXPORT_SYMBOL_GPL(roccat_disconnect);
+
+static const struct file_operations roccat_ops = {
+	.owner = THIS_MODULE,
+	.read = roccat_read,
+	.poll = roccat_poll,
+	.open = roccat_open,
+	.release = roccat_release,
+};
+
+static int __init roccat_init(void)
+{
+	int retval;
+	dev_t dev_id;
+
+	retval = alloc_chrdev_region(&dev_id, ROCCAT_FIRST_MINOR,
+			ROCCAT_MAX_DEVICES, "roccat");
+
+	roccat_major = MAJOR(dev_id);
+
+	if (retval < 0) {
+		printk(KERN_WARNING "roccat: can't get major number\n");
+		return retval;
+	}
+
+	roccat_class = class_create(THIS_MODULE, "roccat");
+	if (IS_ERR(roccat_class)) {
+		retval = PTR_ERR(roccat_class);
+		unregister_chrdev_region(dev_id, ROCCAT_MAX_DEVICES);
+		return retval;
+	}
+
+	cdev_init(&roccat_cdev, &roccat_ops);
+	cdev_add(&roccat_cdev, dev_id, ROCCAT_MAX_DEVICES);
+
+	return 0;
+}
+
+static void __exit roccat_exit(void)
+{
+	dev_t dev_id = MKDEV(roccat_major, 0);
+
+	cdev_del(&roccat_cdev);
+	class_destroy(roccat_class);
+	unregister_chrdev_region(dev_id, ROCCAT_MAX_DEVICES);
+}
+
+module_init(roccat_init);
+module_exit(roccat_exit);
+
+MODULE_AUTHOR("Stefan Achatz");
+MODULE_DESCRIPTION("USB Roccat char device");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hid/hid-roccat.h b/drivers/hid/hid-roccat.h
new file mode 100644
index 00000000000..40cca5b918d
--- /dev/null
+++ b/drivers/hid/hid-roccat.h
@@ -0,0 +1,31 @@
+#ifndef __HID_ROCCAT_H
+#define __HID_ROCCAT_H
+
+/*
+ * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/hid.h>
+#include <linux/types.h>
+
+#ifdef CONFIG_HID_ROCCAT
+int roccat_connect(struct hid_device *hid);
+void roccat_disconnect(int minor);
+int roccat_report_event(int minor, u8 const *data, int len);
+#else
+static inline int roccat_connect(struct hid_device *hid) { return -1; }
+static inline void roccat_disconnect(int minor) {}
+static inline int roccat_report_event(int minor, u8 const *data, int len)
+{
+	return 0;
+}
+#endif
+
+#endif

From 0e927bfc87037c1f44d6b61be12c36f6215ee5b2 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Tue, 25 May 2010 09:58:05 +0200
Subject: [PATCH 2927/3638] HID: roccat: fix build failure if built as module

Fix build failure when roccat and roccat-kone are built as modules.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-roccat.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-roccat.h b/drivers/hid/hid-roccat.h
index 40cca5b918d..d8aae0c1fa7 100644
--- a/drivers/hid/hid-roccat.h
+++ b/drivers/hid/hid-roccat.h
@@ -15,7 +15,7 @@
 #include <linux/hid.h>
 #include <linux/types.h>
 
-#ifdef CONFIG_HID_ROCCAT
+#if defined(CONFIG_HID_ROCCAT) || defined (CONFIG_HID_ROCCAT_MODULE)
 int roccat_connect(struct hid_device *hid);
 void roccat_disconnect(int minor);
 int roccat_report_event(int minor, u8 const *data, int len);

From 42bd5d499455fe4235bb82cffe937a4089a8bba9 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 9 Mar 2010 11:07:40 -0500
Subject: [PATCH 2928/3638] watchdog: bfin: use new common Blackfin watchdog
 header

use new common Blackfin watchdog header

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/bfin_wdt.c | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c
index 9c7ccd1e908..9042a95fc98 100644
--- a/drivers/watchdog/bfin_wdt.c
+++ b/drivers/watchdog/bfin_wdt.c
@@ -23,6 +23,7 @@
 #include <linux/interrupt.h>
 #include <linux/uaccess.h>
 #include <asm/blackfin.h>
+#include <asm/bfin_watchdog.h>
 
 #define stamp(fmt, args...) \
 	pr_debug("%s:%i: " fmt "\n", __func__, __LINE__, ## args)
@@ -49,24 +50,6 @@
 # define bfin_write_WDOG_STAT(x) bfin_write_WDOGA_STAT(x)
 #endif
 
-/* Bit in SWRST that indicates boot caused by watchdog */
-#define SWRST_RESET_WDOG 0x4000
-
-/* Bit in WDOG_CTL that indicates watchdog has expired (WDR0) */
-#define WDOG_EXPIRED 0x8000
-
-/* Masks for WDEV field in WDOG_CTL register */
-#define ICTL_RESET   0x0
-#define ICTL_NMI     0x2
-#define ICTL_GPI     0x4
-#define ICTL_NONE    0x6
-#define ICTL_MASK    0x6
-
-/* Masks for WDEN field in WDOG_CTL register */
-#define WDEN_MASK    0x0FF0
-#define WDEN_ENABLE  0x0000
-#define WDEN_DISABLE 0x0AD0
-
 /* some defaults */
 #define WATCHDOG_TIMEOUT 20
 

From 76550d3292ba1b0dd1ff0a13d78a2718eba599c7 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Sat, 1 May 2010 09:46:15 -0700
Subject: [PATCH 2929/3638] watchdog: fix several MODULE_PARM_DESC strings

Fix MODULE_PARM_DESC() strings in several watchdog drivers.
Some are simple as add a parenthesis.
Others are problems from __stringify() being used on a
variable name instead of a macro name, so the variable name
is produced in the string instead of its build-time value.
In these cases, create a macro for the value so that the
module param description string is useful.

Only pc87413_wdt has been built (due to toolchains).

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/mpc8xxx_wdt.c |  2 +-
 drivers/watchdog/pc87413_wdt.c |  9 ++++++---
 drivers/watchdog/pnx833x_wdt.c | 11 +++++++----
 drivers/watchdog/s3c2410_wdt.c |  6 +++---
 drivers/watchdog/shwdt.c       |  2 +-
 drivers/watchdog/wdt977.c      |  2 +-
 6 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index 7b55974191d..6622335773b 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -53,7 +53,7 @@ static int mpc8xxx_wdt_init_late(void);
 static u16 timeout = 0xffff;
 module_param(timeout, ushort, 0);
 MODULE_PARM_DESC(timeout,
-	"Watchdog timeout in ticks. (0<timeout<65536, default=65535");
+	"Watchdog timeout in ticks. (0<timeout<65536, default=65535)");
 
 static int reset = 1;
 module_param(reset, bool, 0);
diff --git a/drivers/watchdog/pc87413_wdt.c b/drivers/watchdog/pc87413_wdt.c
index d3aa2f1fe61..3a56bc36092 100644
--- a/drivers/watchdog/pc87413_wdt.c
+++ b/drivers/watchdog/pc87413_wdt.c
@@ -53,7 +53,9 @@
 #define WDTO                0x11	/* Watchdog timeout register */
 #define WDCFG               0x12	/* Watchdog config register */
 
-static int io = 0x2E;			/* Address used on Portwell Boards */
+#define IO_DEFAULT	0x2E		/* Address used on Portwell Boards */
+
+static int io = IO_DEFAULT;
 
 static int timeout = DEFAULT_TIMEOUT;	/* timeout value */
 static unsigned long timer_enabled;	/* is the timer enabled? */
@@ -583,12 +585,13 @@ MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 module_param(io, int, 0);
-MODULE_PARM_DESC(io, MODNAME " I/O port (default: " __MODULE_STRING(io) ").");
+MODULE_PARM_DESC(io, MODNAME " I/O port (default: "
+					__MODULE_STRING(IO_DEFAULT) ").");
 
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout,
 		"Watchdog timeout in minutes (default="
-				__MODULE_STRING(timeout) ").");
+				__MODULE_STRING(DEFAULT_TIMEOUT) ").");
 
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout,
diff --git a/drivers/watchdog/pnx833x_wdt.c b/drivers/watchdog/pnx833x_wdt.c
index 09102f09e68..a7b5ad2a98b 100644
--- a/drivers/watchdog/pnx833x_wdt.c
+++ b/drivers/watchdog/pnx833x_wdt.c
@@ -33,6 +33,8 @@
 #define PFX "pnx833x: "
 #define WATCHDOG_TIMEOUT 30		/* 30 sec Maximum timeout */
 #define WATCHDOG_COUNT_FREQUENCY 68000000U /* Watchdog counts at 68MHZ. */
+#define	PNX_WATCHDOG_TIMEOUT	(WATCHDOG_TIMEOUT * WATCHDOG_COUNT_FREQUENCY)
+#define PNX_TIMEOUT_VALUE	2040000000U
 
 /** CONFIG block */
 #define PNX833X_CONFIG                      (0x07000U)
@@ -47,20 +49,21 @@
 static int pnx833x_wdt_alive;
 
 /* Set default timeout in MHZ.*/
-static int pnx833x_wdt_timeout = (WATCHDOG_TIMEOUT * WATCHDOG_COUNT_FREQUENCY);
+static int pnx833x_wdt_timeout = PNX_WATCHDOG_TIMEOUT;
 module_param(pnx833x_wdt_timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Watchdog timeout in Mhz. (68Mhz clock), default="
-			__MODULE_STRING(pnx833x_wdt_timeout) "(30 seconds).");
+			__MODULE_STRING(PNX_TIMEOUT_VALUE) "(30 seconds).");
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
 					__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
-static int start_enabled = 1;
+#define START_DEFAULT	1
+static int start_enabled = START_DEFAULT;
 module_param(start_enabled, int, 0);
 MODULE_PARM_DESC(start_enabled, "Watchdog is started on module insertion "
-				"(default=" __MODULE_STRING(start_enabled) ")");
+				"(default=" __MODULE_STRING(START_DEFAULT) ")");
 
 static void pnx833x_wdt_start(void)
 {
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index e4cebef5517..095cbf38eb5 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -63,7 +63,7 @@ module_param(nowayout,    int, 0);
 module_param(soft_noboot, int, 0);
 module_param(debug,	  int, 0);
 
-MODULE_PARM_DESC(tmr_margin, "Watchdog tmr_margin in seconds. default="
+MODULE_PARM_DESC(tmr_margin, "Watchdog tmr_margin in seconds. (default="
 		__MODULE_STRING(CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME) ")");
 MODULE_PARM_DESC(tmr_atboot,
 		"Watchdog is started at boot time if set to 1, default="
@@ -71,8 +71,8 @@ MODULE_PARM_DESC(tmr_atboot,
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
 			__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 MODULE_PARM_DESC(soft_noboot, "Watchdog action, set to 1 to ignore reboots, "
-			"0 to reboot (default depends on ONLY_TESTING)");
-MODULE_PARM_DESC(debug, "Watchdog debug, set to >1 for debug, (default 0)");
+			"0 to reboot (default 0)");
+MODULE_PARM_DESC(debug, "Watchdog debug, set to >1 for debug (default 0)");
 
 static unsigned long open_lock;
 static struct device    *wdt_dev;	/* platform device attached to */
diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c
index a03f84e5ee1..6fc74065abe 100644
--- a/drivers/watchdog/shwdt.c
+++ b/drivers/watchdog/shwdt.c
@@ -496,7 +496,7 @@ MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 module_param(clock_division_ratio, int, 0);
 MODULE_PARM_DESC(clock_division_ratio,
 	"Clock division ratio. Valid ranges are from 0x5 (1.31ms) "
-	"to 0x7 (5.25ms). (default=" __MODULE_STRING(clock_division_ratio) ")");
+	"to 0x7 (5.25ms). (default=" __MODULE_STRING(WTCSR_CKS_4096) ")");
 
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat,
diff --git a/drivers/watchdog/wdt977.c b/drivers/watchdog/wdt977.c
index 90ef70eb47d..5c2521fc836 100644
--- a/drivers/watchdog/wdt977.c
+++ b/drivers/watchdog/wdt977.c
@@ -63,7 +63,7 @@ static	char expect_close;
 static	DEFINE_SPINLOCK(spinlock);
 
 module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (60..15300), default="
+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (60..15300, default="
 				__MODULE_STRING(DEFAULT_TIMEOUT) ")");
 module_param(testmode, int, 0);
 MODULE_PARM_DESC(testmode, "Watchdog testmode (1 = no reboot), default=0");

From 8b18085a92c72fe1754481890e9dfc600e736b1f Mon Sep 17 00:00:00 2001
From: Wim Van Sebroeck <wim@iguana.be>
Date: Tue, 27 Apr 2010 08:24:11 +0000
Subject: [PATCH 2930/3638] watchdog: booke_wdt: fix ioctl status flags

The WDIOC_GETSTATUS & WDIOC_GETBOOTSTATUS ioctl calls return the WDIOF_* flags
and nothing else.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/booke_wdt.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index 801ead19149..3d49671cdf5 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -137,12 +137,12 @@ static long booke_wdt_ioctl(struct file *file,
 		if (copy_to_user((void *)arg, &ident, sizeof(ident)))
 			return -EFAULT;
 	case WDIOC_GETSTATUS:
-		return put_user(ident.options, p);
+		return put_user(0, p);
 	case WDIOC_GETBOOTSTATUS:
 		/* XXX: something is clearing TSR */
 		tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
-		/* returns 1 if last reset was caused by the WDT */
-		return (tmp ? 1 : 0);
+		/* returns CARDRESET if last reset was caused by the WDT */
+		return (tmp ? WDIOF_CARDRESET : 0);
 	case WDIOC_SETOPTIONS:
 		if (get_user(tmp, p))
 			return -EINVAL;

From 4724ba575ea73431aba8a48be6f5a382c470418d Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 3 May 2010 11:42:52 -0700
Subject: [PATCH 2931/3638] watchdog: update/improve/consolidate watchdog
 driver

Move the limited watchdog driver help from kernel-parameters.txt
to Documentation/watchdog/watchdog-parameters.txt and add info to it
for all watchdog drivers except the ones that have driver-specific
files already.

Correct minor comments and MODULE_PARM_DESC() text in 2 places.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 Documentation/kernel-parameters.txt           |  15 +-
 Documentation/watchdog/00-INDEX               |   5 +
 .../watchdog/watchdog-parameters.txt          | 390 ++++++++++++++++++
 Documentation/watchdog/wdt.txt                |  15 +-
 drivers/watchdog/eurotechwdt.c                |   1 -
 drivers/watchdog/wdt.c                        |   2 +-
 6 files changed, 411 insertions(+), 17 deletions(-)
 create mode 100644 Documentation/watchdog/watchdog-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f5fce483930..b56ea860da2 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -290,9 +290,6 @@ and is between 256 and 4096 characters. It is defined in the file
 	advansys=	[HW,SCSI]
 			See header of drivers/scsi/advansys.c.
 
-	advwdt=		[HW,WDT] Advantech WDT
-			Format: <iostart>,<iostop>
-
 	aedsp16=	[HW,OSS] Audio Excel DSP 16
 			Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq>
 			See also header of sound/oss/aedsp16.c.
@@ -765,9 +762,6 @@ and is between 256 and 4096 characters. It is defined in the file
 			This option is obsoleted by the "netdev=" option, which
 			has equivalent usage. See its documentation for details.
 
-	eurwdt=		[HW,WDT] Eurotech CPU-1220/1410 onboard watchdog.
-			Format: <io>[,<irq>]
-
 	failslab=
 	fail_page_alloc=
 	fail_make_request=[KNL]
@@ -2267,9 +2261,6 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	sched_debug	[KNL] Enables verbose scheduler debug messages.
 
-	sc1200wdt=	[HW,WDT] SC1200 WDT (watchdog) driver
-			Format: <io>[,<timeout>[,<isapnp>]]
-
 	scsi_debug_*=	[SCSI]
 			See drivers/scsi/scsi_debug.c.
 
@@ -2858,8 +2849,10 @@ and is between 256 and 4096 characters. It is defined in the file
 	wd7000=		[HW,SCSI]
 			See header of drivers/scsi/wd7000.c.
 
-	wdt=		[WDT] Watchdog
-			See Documentation/watchdog/wdt.txt.
+	watchdog timers	[HW,WDT] For information on watchdog timers,
+			see Documentation/watchdog/watchdog-parameters.txt
+			or other driver-specific files in the
+			Documentation/watchdog/ directory.
 
 	x2apic_phys	[X86-64,APIC] Use x2apic physical mode instead of
 			default x2apic cluster mode on platforms
diff --git a/Documentation/watchdog/00-INDEX b/Documentation/watchdog/00-INDEX
index c3ea47e507f..ee994513a9b 100644
--- a/Documentation/watchdog/00-INDEX
+++ b/Documentation/watchdog/00-INDEX
@@ -1,10 +1,15 @@
 00-INDEX
 	- this file.
+hpwdt.txt
+	- information on the HP iLO2 NMI watchdog
 pcwd-watchdog.txt
 	- documentation for Berkshire Products PC Watchdog ISA cards.
 src/
 	- directory holding watchdog related example programs.
 watchdog-api.txt
 	- description of the Linux Watchdog driver API.
+watchdog-parameters.txt
+	- information on driver parameters (for drivers other than
+	  the ones that have driver-specific files here)
 wdt.txt
 	- description of the Watchdog Timer Interfaces for Linux.
diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt
new file mode 100644
index 00000000000..41c95cc1dc1
--- /dev/null
+++ b/Documentation/watchdog/watchdog-parameters.txt
@@ -0,0 +1,390 @@
+This file provides information on the module parameters of many of
+the Linux watchdog drivers.  Watchdog driver parameter specs should
+be listed here unless the driver has its own driver-specific information
+file.
+
+
+See Documentation/kernel-parameters.txt for information on
+providing kernel parameters for builtin drivers versus loadable
+modules.
+
+
+-------------------------------------------------
+acquirewdt:
+wdt_stop: Acquire WDT 'stop' io port (default 0x43)
+wdt_start: Acquire WDT 'start' io port (default 0x443)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+advantechwdt:
+wdt_stop: Advantech WDT 'stop' io port (default 0x443)
+wdt_start: Advantech WDT 'start' io port (default 0x443)
+timeout: Watchdog timeout in seconds. 1<= timeout <=63, default=60.
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+alim1535_wdt:
+timeout: Watchdog timeout in seconds. (0 < timeout < 18000, default=60
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+alim7101_wdt:
+timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30
+use_gpio: Use the gpio watchdog (required by old cobalt boards).
+	default=0/off/no
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+ar7_wdt:
+margin: Watchdog margin in seconds (default=60)
+nowayout: Disable watchdog shutdown on close
+	(default=kernel config parameter)
+-------------------------------------------------
+at32ap700x_wdt:
+timeout: Timeout value. Limited to be 1 or 2 seconds. (default=2)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+at91rm9200_wdt:
+wdt_time: Watchdog time in seconds. (default=5)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+at91sam9_wdt:
+heartbeat: Watchdog heartbeats in seconds. (default = 15)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+bcm47xx_wdt:
+wdt_time: Watchdog time in seconds. (default=30)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+bfin_wdt:
+timeout: Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default=20)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+coh901327_wdt:
+margin: Watchdog margin in seconds (default 60s)
+-------------------------------------------------
+cpu5wdt:
+port: base address of watchdog card, default is 0x91
+verbose: be verbose, default is 0 (no)
+ticks: count down ticks, default is 10000
+-------------------------------------------------
+cpwd:
+wd0_timeout: Default watchdog0 timeout in 1/10secs
+wd1_timeout: Default watchdog1 timeout in 1/10secs
+wd2_timeout: Default watchdog2 timeout in 1/10secs
+-------------------------------------------------
+davinci_wdt:
+heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60
+-------------------------------------------------
+ep93xx_wdt:
+nowayout: Watchdog cannot be stopped once started
+timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD)
+-------------------------------------------------
+eurotechwdt:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+io: Eurotech WDT io port (default=0x3f0)
+irq: Eurotech WDT irq (default=10)
+ev: Eurotech WDT event type (default is `int')
+-------------------------------------------------
+gef_wdt:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+geodewdt:
+timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60.
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+i6300esb:
+heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+iTCO_wdt:
+heartbeat: Watchdog heartbeat in seconds.
+	(2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+iTCO_vendor_support:
+vendorsupport: iTCO vendor specific support mode, default=0 (none),
+	1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS
+-------------------------------------------------
+ib700wdt:
+timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30.
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+ibmasr:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+indydog:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+iop_wdt:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+it8712f_wdt:
+margin: Watchdog margin in seconds (default 60)
+nowayout: Disable watchdog shutdown on close
+	(default=kernel config parameter)
+-------------------------------------------------
+it87_wdt:
+nogameport: Forbid the activation of game port, default=0
+exclusive: Watchdog exclusive device open, default=1
+timeout: Watchdog timeout in seconds, default=60
+testmode: Watchdog test mode (1 = no reboot), default=0
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+ixp2000_wdt:
+heartbeat: Watchdog heartbeat in seconds (default 60s)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+ixp4xx_wdt:
+heartbeat: Watchdog heartbeat in seconds (default 60s)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+ks8695_wdt:
+wdt_time: Watchdog time in seconds. (default=5)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+machzwd:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+action: after watchdog resets, generate:
+	0 = RESET(*)  1 = SMI  2 = NMI  3 = SCI
+-------------------------------------------------
+max63xx_wdt:
+heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+nodelay: Force selection of a timeout setting without initial delay
+	(max6373/74 only, default=0)
+-------------------------------------------------
+mixcomwd:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+mpc8xxx_wdt:
+timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535)
+reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+mpcore_wdt:
+mpcore_margin: MPcore timer margin in seconds.
+	(0 < mpcore_margin < 65536, default=60)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+mpcore_noboot: MPcore watchdog action, set to 1 to ignore reboots,
+	0 to reboot (default=0
+-------------------------------------------------
+mv64x60_wdt:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+nuc900_wdt:
+heartbeat: Watchdog heartbeats in seconds.
+	(default = 15)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+omap_wdt:
+timer_margin: initial watchdog timeout (in seconds)
+-------------------------------------------------
+orion_wdt:
+heartbeat: Initial watchdog heartbeat in seconds
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+pc87413_wdt:
+io: pc87413 WDT I/O port (default: io).
+timeout: Watchdog timeout in minutes (default=timeout).
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+pika_wdt:
+heartbeat: Watchdog heartbeats in seconds. (default = 15)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+pnx4008_wdt:
+heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19
+nowayout: Set to 1 to keep watchdog running after device release
+-------------------------------------------------
+pnx833x_wdt:
+timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+start_enabled: Watchdog is started on module insertion (default=1)
+-------------------------------------------------
+rc32434_wdt:
+timeout: Watchdog timeout value, in seconds (default=20)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+riowd:
+riowd_timeout: Watchdog timeout in minutes (default=1)
+-------------------------------------------------
+s3c2410_wdt:
+tmr_margin: Watchdog tmr_margin in seconds. (default=15)
+tmr_atboot: Watchdog is started at boot time if set to 1, default=0
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot
+debug: Watchdog debug, set to >1 for debug, (default 0)
+-------------------------------------------------
+sa1100_wdt:
+margin: Watchdog margin in seconds (default 60s)
+-------------------------------------------------
+sb_wdog:
+timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)
+-------------------------------------------------
+sbc60xxwdt:
+wdt_stop: SBC60xx WDT 'stop' io port (default 0x45)
+wdt_start: SBC60xx WDT 'start' io port (default 0x443)
+timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+sbc7240_wdt:
+timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30)
+nowayout: Disable watchdog when closing device file
+-------------------------------------------------
+sbc8360:
+timeout: Index into timeout table (0-63) (default=27 (60s))
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+sbc_epx_c3:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+sbc_fitpc2_wdt:
+margin: Watchdog margin in seconds (default 60s)
+nowayout: Watchdog cannot be stopped once started
+-------------------------------------------------
+sc1200wdt:
+isapnp: When set to 0 driver ISA PnP support will be disabled (default=1)
+io: io port
+timeout: range is 0-255 minutes, default is 1
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+sc520_wdt:
+timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+sch311x_wdt:
+force_id: Override the detected device ID
+therm_trip: Should a ThermTrip trigger the reset generator
+timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+scx200_wdt:
+margin: Watchdog margin in seconds
+nowayout: Disable watchdog shutdown on close
+-------------------------------------------------
+shwdt:
+clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms)
+	to 0x7 (5.25ms). (default=7)
+heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+smsc37b787_wdt:
+timeout: range is 1-255 units, default is 60
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+softdog:
+soft_margin: Watchdog soft_margin in seconds.
+	(0 < soft_margin < 65536, default=60)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot
+	(default=0)
+-------------------------------------------------
+stmp3xxx_wdt:
+heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19
+-------------------------------------------------
+ts72xx_wdt:
+timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8)
+nowayout: Disable watchdog shutdown on close
+-------------------------------------------------
+twl4030_wdt:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+txx9wdt:
+timeout: Watchdog timeout in seconds. (0<timeout<N, default=60)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+w83627hf_wdt:
+wdt_io: w83627hf/thf WDT io port (default 0x2E)
+timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+w83697hf_wdt:
+wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)
+timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+early_disable: Watchdog gets disabled at boot time (default=1)
+-------------------------------------------------
+w83697ug_wdt:
+wdt_io: w83697ug/uf WDT io port (default 0x2e)
+timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+w83877f_wdt:
+timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+w83977f_wdt:
+timeout: Watchdog timeout in seconds (15..7635), default=45)
+testmode: Watchdog testmode (1 = no reboot), default=0
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+wafer5823wdt:
+timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+wdt285:
+soft_margin: Watchdog timeout in seconds (default=60)
+-------------------------------------------------
+wdt977:
+timeout: Watchdog timeout in seconds (60..15300, default=60)
+testmode: Watchdog testmode (1 = no reboot), default=0
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+wm831x_wdt:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
+wm8350_wdt:
+nowayout: Watchdog cannot be stopped once started
+	(default=kernel config parameter)
+-------------------------------------------------
diff --git a/Documentation/watchdog/wdt.txt b/Documentation/watchdog/wdt.txt
index 03fd756d976..061c2e35384 100644
--- a/Documentation/watchdog/wdt.txt
+++ b/Documentation/watchdog/wdt.txt
@@ -14,14 +14,22 @@ reboot will depend on the state of the machines and interrupts. The hardware
 boards physically pull the machine down off their own onboard timers and
 will reboot from almost anything.
 
-A second temperature monitoring interface is available on the WDT501P cards
+A second temperature monitoring interface is available on the WDT501P cards.
 This provides /dev/temperature. This is the machine internal temperature in
 degrees Fahrenheit. Each read returns a single byte giving the temperature.
 
 The third interface logs kernel messages on additional alert events.
 
-The wdt card cannot be safely probed for. Instead you need to pass
-wdt=ioaddr,irq as a boot parameter - eg "wdt=0x240,11".
+The ICS ISA-bus wdt card cannot be safely probed for. Instead you need to
+pass IO address and IRQ boot parameters.  E.g.:
+	wdt.io=0x240 wdt.irq=11
+
+Other "wdt" driver parameters are:
+	heartbeat	Watchdog heartbeat in seconds (default 60)
+	nowayout	Watchdog cannot be stopped once started (kernel
+				build parameter)
+	tachometer	WDT501-P Fan Tachometer support (0=disable, default=0)
+	type		WDT501-P Card type (500 or 501, default=500)
 
 Features
 --------
@@ -40,4 +48,3 @@ Minor numbers are however allocated for it.
 
 
 Example Watchdog Driver:  see Documentation/watchdog/src/watchdog-simple.c
-
diff --git a/drivers/watchdog/eurotechwdt.c b/drivers/watchdog/eurotechwdt.c
index d1c4e55b1db..3f3dc093ad6 100644
--- a/drivers/watchdog/eurotechwdt.c
+++ b/drivers/watchdog/eurotechwdt.c
@@ -68,7 +68,6 @@ static spinlock_t eurwdt_lock;
 
 /*
  * You must set these - there is no sane way to probe for this board.
- * You can use eurwdt=x,y to set these now.
  */
 
 static int io = 0x3f0;
diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c
index bfda2e99dd8..552a4381e78 100644
--- a/drivers/watchdog/wdt.c
+++ b/drivers/watchdog/wdt.c
@@ -91,7 +91,7 @@ MODULE_PARM_DESC(tachometer,
 static int type = 500;
 module_param(type, int, 0);
 MODULE_PARM_DESC(type,
-		"WDT501-P Card type (500 or 501 , default=500)");
+		"WDT501-P Card type (500 or 501, default=500)");
 
 /*
  *	Programming support

From bb6f36070cf53ebf08383a026e1d3a437cb310d1 Mon Sep 17 00:00:00 2001
From: Ameya Palande <ameya.palande@nokia.com>
Date: Mon, 17 May 2010 14:12:15 +0300
Subject: [PATCH 2932/3638] watchdog: twl4030_wdt: Disable watchdog during
 probing

If we are not able to register then it is better to have
watchdog in disabled state than noticing a system reboot.

Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
Acked-By: Timo Kokkonen <timo.t.kokkonen@nokia.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/twl4030_wdt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/twl4030_wdt.c b/drivers/watchdog/twl4030_wdt.c
index dcabe77ad14..b5045ca7e61 100644
--- a/drivers/watchdog/twl4030_wdt.c
+++ b/drivers/watchdog/twl4030_wdt.c
@@ -190,6 +190,8 @@ static int __devinit twl4030_wdt_probe(struct platform_device *pdev)
 
 	twl4030_wdt_dev = pdev;
 
+	twl4030_wdt_disable(wdt);
+
 	ret = misc_register(&wdt->miscdev);
 	if (ret) {
 		dev_err(wdt->miscdev.parent,

From 7e6811daa662fc4eb87ddfb3ea0ea9d782044157 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
Date: Mon, 19 Apr 2010 13:38:25 +0100
Subject: [PATCH 2933/3638] iTCO_wdt: fix TCO V1 timeout values and limits
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

For TCO V1 devices the programmed timeout was twice too long
because the fact that the TCO V1 timer needs to count down
twice before triggering the watchdog, wasn't accounted for.
Also the timeout values in the module description and error
message were clarified. And the _STS registers are 16 bit
instead of 8 bit.

Signed-off-by: Pádraig Brady <P@draigBrady.com>
Tested-by: Simon Kagstrom <simon.kagstrom@netinsight.se>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/iTCO_vendor_support.c | 11 +---------
 drivers/watchdog/iTCO_wdt.c            | 29 ++++++++++++++++++--------
 2 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c
index 5133bca5ccb..481d1ad4346 100644
--- a/drivers/watchdog/iTCO_vendor_support.c
+++ b/drivers/watchdog/iTCO_vendor_support.c
@@ -101,13 +101,6 @@ static void supermicro_old_pre_stop(unsigned long acpibase)
 	outl(val32, SMI_EN);	/* Needed to deactivate watchdog */
 }
 
-static void supermicro_old_pre_keepalive(unsigned long acpibase)
-{
-	/* Reload TCO Timer (done in iTCO_wdt_keepalive) + */
-	/* Clear "Expire Flag" (Bit 3 of TC01_STS register) */
-	outb(0x08, TCO1_STS);
-}
-
 /*
  *	Vendor Support: 2
  *	Board: Super Micro Computer Inc. P4SBx, P4DPx
@@ -337,9 +330,7 @@ EXPORT_SYMBOL(iTCO_vendor_pre_stop);
 
 void iTCO_vendor_pre_keepalive(unsigned long acpibase, unsigned int heartbeat)
 {
-	if (vendorsupport == SUPERMICRO_OLD_BOARD)
-		supermicro_old_pre_keepalive(acpibase);
-	else if (vendorsupport == SUPERMICRO_NEW_BOARD)
+	if (vendorsupport == SUPERMICRO_NEW_BOARD)
 		supermicro_new_pre_set_heartbeat(heartbeat);
 }
 EXPORT_SYMBOL(iTCO_vendor_pre_keepalive);
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 8da88603537..69de8713b8e 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -40,7 +40,7 @@
 
 /* Module and version information */
 #define DRV_NAME	"iTCO_wdt"
-#define DRV_VERSION	"1.05"
+#define DRV_VERSION	"1.06"
 #define PFX		DRV_NAME ": "
 
 /* Includes */
@@ -391,8 +391,8 @@ static struct platform_device *iTCO_wdt_platform_device;
 #define WATCHDOG_HEARTBEAT 30	/* 30 sec default heartbeat */
 static int heartbeat = WATCHDOG_HEARTBEAT;  /* in seconds */
 module_param(heartbeat, int, 0);
-MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. "
-	"(2<heartbeat<39 (TCO v1) or 613 (TCO v2), default="
+MODULE_PARM_DESC(heartbeat, "Watchdog timeout in seconds. "
+	"5..76 (TCO v1) or 3..614 (TCO v2), default="
 				__MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
 
 static int nowayout = WATCHDOG_NOWAYOUT;
@@ -523,8 +523,13 @@ static int iTCO_wdt_keepalive(void)
 	/* Reload the timer by writing to the TCO Timer Counter register */
 	if (iTCO_wdt_private.iTCO_version == 2)
 		outw(0x01, TCO_RLD);
-	else if (iTCO_wdt_private.iTCO_version == 1)
+	else if (iTCO_wdt_private.iTCO_version == 1) {
+		/* Reset the timeout status bit so that the timer
+		 * needs to count down twice again before rebooting */
+		outw(0x0008, TCO1_STS);	/* write 1 to clear bit */
+
 		outb(0x01, TCO_RLD);
+	}
 
 	spin_unlock(&iTCO_wdt_private.io_lock);
 	return 0;
@@ -537,6 +542,11 @@ static int iTCO_wdt_set_heartbeat(int t)
 	unsigned int tmrval;
 
 	tmrval = seconds_to_ticks(t);
+
+	/* For TCO v1 the timer counts down twice before rebooting */
+	if (iTCO_wdt_private.iTCO_version == 1)
+		tmrval /= 2;
+
 	/* from the specs: */
 	/* "Values of 0h-3h are ignored and should not be attempted" */
 	if (tmrval < 0x04)
@@ -593,6 +603,8 @@ static int iTCO_wdt_get_timeleft(int *time_left)
 		spin_lock(&iTCO_wdt_private.io_lock);
 		val8 = inb(TCO_RLD);
 		val8 &= 0x3f;
+		if (!(inw(TCO1_STS) & 0x0008))
+			val8 += (inb(TCOv1_TMR) & 0x3f);
 		spin_unlock(&iTCO_wdt_private.io_lock);
 
 		*time_left = (val8 * 6) / 10;
@@ -832,9 +844,9 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
 			TCOBASE);
 
 	/* Clear out the (probably old) status */
-	outb(8, TCO1_STS);	/* Clear the Time Out Status bit */
-	outb(2, TCO2_STS);	/* Clear SECOND_TO_STS bit */
-	outb(4, TCO2_STS);	/* Clear BOOT_STS bit */
+	outw(0x0008, TCO1_STS);	/* Clear the Time Out Status bit */
+	outw(0x0002, TCO2_STS);	/* Clear SECOND_TO_STS bit */
+	outw(0x0004, TCO2_STS);	/* Clear BOOT_STS bit */
 
 	/* Make sure the watchdog is not running */
 	iTCO_wdt_stop();
@@ -844,8 +856,7 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
 	if (iTCO_wdt_set_heartbeat(heartbeat)) {
 		iTCO_wdt_set_heartbeat(WATCHDOG_HEARTBEAT);
 		printk(KERN_INFO PFX
-			"heartbeat value must be 2 < heartbeat < 39 (TCO v1) "
-				"or 613 (TCO v2), using %d\n", heartbeat);
+			"timeout value out of range, using %d\n", heartbeat);
 	}
 
 	ret = misc_register(&iTCO_wdt_miscdev);

From 8740f71d7f4f0400cd8c42e6584155024119d77e Mon Sep 17 00:00:00 2001
From: Banajit Goswami <banajit.g@samsung.com>
Date: Thu, 20 May 2010 11:58:24 +0100
Subject: [PATCH 2934/3638] watchdog: s3c2410_wdt - Add extra option to include
 watchdog for Samsung SoCs

This patch adds HAVE_S3C2410_WATCHDOG to control inclusion of watchdog driver
for Samsung SoCs. This option will help to include the driver only for the
necessary machines and not for all for any given arch.

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/Kconfig | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index b87ba23442d..c57ecffe008 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -145,13 +145,19 @@ config KS8695_WATCHDOG
 	  Watchdog timer embedded into KS8695 processor. This will reboot your
 	  system when the timeout is reached.
 
+config HAVE_S3C2410_WATCHDOG
+	bool
+	help
+	  This will include watchdog timer support for Samsung SoCs. If
+	  you want to include watchdog support for any machine, kindly
+	  select this in the respective mach-XXXX/Kconfig file.
+
 config S3C2410_WATCHDOG
 	tristate "S3C2410 Watchdog"
-	depends on ARCH_S3C2410
+	depends on ARCH_S3C2410 || HAVE_S3C2410_WATCHDOG
 	help
-	  Watchdog timer block in the Samsung S3C2410 chips. This will
-	  reboot the system when the timer expires with the watchdog
-	  enabled.
+	  Watchdog timer block in the Samsung SoCs. This will reboot
+	  the system when the timer expires with the watchdog enabled.
 
 	  The driver is limited by the speed of the system's PCLK
 	  signal, so with reasonably fast systems (PCLK around 50-66MHz)

From 100fb76f0acfebcb7c72875890b9ef33ff04dc2b Mon Sep 17 00:00:00 2001
From: Banajit Goswami <banajit.g@samsung.com>
Date: Thu, 20 May 2010 11:58:25 +0100
Subject: [PATCH 2935/3638] watchdog: s3c2410_wdt - Fix on handling of the
 request_mem_region fail

If the request for wdt_mem region fails, this patch modifies the driver
such that, it does not try to release the wdt_mem region on exit.

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/s3c2410_wdt.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 095cbf38eb5..300932580de 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -426,8 +426,7 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
 	wdt_mem = request_mem_region(res->start, size, pdev->name);
 	if (wdt_mem == NULL) {
 		dev_err(dev, "failed to get memory region\n");
-		ret = -ENOENT;
-		goto err_req;
+		return -EBUSY;
 	}
 
 	wdt_base = ioremap(res->start, size);

From 0178f3e28e2166664916265c5d4922b1376b9fa1 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 26 Apr 2010 15:18:14 +0100
Subject: [PATCH 2936/3638] regulator: Allow regulator-regulator supplies to be
 specified by name

When one regulator supplies another allow the relationship to be specified
using names rather than struct regulators, in a similar manner to that
allowed for consumer supplies. This allows static configuration at compile
time, reducing the need for dynamic init code.

Also change the references to LINE supply to be system supply since line
is sometimes used for actual supplies and therefore potentially confusing.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/regulator/core.c          | 30 ++++++++++++++++++++++++++++++
 include/linux/regulator/machine.h |  9 +++++++--
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 51cf2bb3743..eb112d96151 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2328,7 +2328,37 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
 		goto scrub;
 
 	/* set supply regulator if it exists */
+	if (init_data->supply_regulator && init_data->supply_regulator_dev) {
+		dev_err(dev,
+			"Supply regulator specified by both name and dev\n");
+		goto scrub;
+	}
+
+	if (init_data->supply_regulator) {
+		struct regulator_dev *r;
+		int found = 0;
+
+		list_for_each_entry(r, &regulator_list, list) {
+			if (strcmp(rdev_get_name(r),
+				   init_data->supply_regulator) == 0) {
+				found = 1;
+				break;
+			}
+		}
+
+		if (!found) {
+			dev_err(dev, "Failed to find supply %s\n",
+				init_data->supply_regulator);
+			goto scrub;
+		}
+
+		ret = set_supply(rdev, r);
+		if (ret < 0)
+			goto scrub;
+	}
+
 	if (init_data->supply_regulator_dev) {
+		dev_warn(dev, "Uses supply_regulator_dev instead of regulator_supply\n");
 		ret = set_supply(rdev,
 			dev_get_drvdata(init_data->supply_regulator_dev));
 		if (ret < 0)
diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h
index 234a8476cba..e2980287245 100644
--- a/include/linux/regulator/machine.h
+++ b/include/linux/regulator/machine.h
@@ -157,7 +157,11 @@ struct regulator_consumer_supply {
  *
  * Initialisation constraints, our supply and consumers supplies.
  *
- * @supply_regulator_dev: Parent regulator (if any).
+ * @supply_regulator: Parent regulator.  Specified using the regulator name
+ *                    as it appears in the name field in sysfs, which can
+ *                    be explicitly set using the constraints field 'name'.
+ * @supply_regulator_dev: Parent regulator (if any) - DEPRECATED in favour
+ *                        of supply_regulator.
  *
  * @constraints: Constraints.  These must be specified for the regulator to
  *               be usable.
@@ -168,7 +172,8 @@ struct regulator_consumer_supply {
  * @driver_data: Data passed to regulator_init.
  */
 struct regulator_init_data {
-	struct device *supply_regulator_dev; /* or NULL for LINE */
+	const char *supply_regulator;        /* or NULL for system supply */
+	struct device *supply_regulator_dev; /* or NULL for system supply */
 
 	struct regulation_constraints constraints;
 

From 23b5cc2ab6783256cf06779e1d522482b819b808 Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Thu, 29 Apr 2010 10:55:09 +0300
Subject: [PATCH 2937/3638] regulator: prevent registration of matching
 regulator consumer supplies

Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

Pointer comparison is not sufficient for non-NULL device name matching,
so use strcmp(). Otherwise the semantics remain the same.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/regulator/core.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index eb112d96151..2a3494f7246 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -944,8 +944,13 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
 		has_dev = 0;
 
 	list_for_each_entry(node, &regulator_map_list, list) {
-		if (consumer_dev_name != node->dev_name)
+		if (node->dev_name && consumer_dev_name) {
+			if (strcmp(node->dev_name, consumer_dev_name) != 0)
+				continue;
+		} else if (node->dev_name || consumer_dev_name) {
 			continue;
+		}
+
 		if (strcmp(node->supply, supply) != 0)
 			continue;
 

From 47bd53f0e8008294ff58c5b37d713f25a8dc56aa Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Thu, 29 Apr 2010 10:55:10 +0300
Subject: [PATCH 2938/3638] regulator: fix unset_regulator_supplies() to remove
 all matches

Remove all matching consumer supplies, not just the first, to not leave
dangling pointers.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/regulator/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 2a3494f7246..a50672f33af 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1013,7 +1013,6 @@ static void unset_regulator_supplies(struct regulator_dev *rdev)
 			list_del(&node->list);
 			kfree(node->dev_name);
 			kfree(node);
-			return;
 		}
 	}
 }

From d4033b54fc91221b13e2850bf298683c0f2ff37d Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Thu, 29 Apr 2010 10:55:11 +0300
Subject: [PATCH 2939/3638] regulator: simplify regulator_register() error
 handling

Simply remove all consumer supplies for the regulator on errors. Remove
unset_consumer_device_supply() which is no longer used.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/regulator/core.c | 35 +++++------------------------------
 1 file changed, 5 insertions(+), 30 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index a50672f33af..98e5d14f94f 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -981,29 +981,6 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
 	return 0;
 }
 
-static void unset_consumer_device_supply(struct regulator_dev *rdev,
-	const char *consumer_dev_name, struct device *consumer_dev)
-{
-	struct regulator_map *node, *n;
-
-	if (consumer_dev && !consumer_dev_name)
-		consumer_dev_name = dev_name(consumer_dev);
-
-	list_for_each_entry_safe(node, n, &regulator_map_list, list) {
-		if (rdev != node->regulator)
-			continue;
-
-		if (consumer_dev_name && node->dev_name &&
-		    strcmp(consumer_dev_name, node->dev_name))
-			continue;
-
-		list_del(&node->list);
-		kfree(node->dev_name);
-		kfree(node);
-		return;
-	}
-}
-
 static void unset_regulator_supplies(struct regulator_dev *rdev)
 {
 	struct regulator_map *node, *n;
@@ -2375,13 +2352,8 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
 			init_data->consumer_supplies[i].dev,
 			init_data->consumer_supplies[i].dev_name,
 			init_data->consumer_supplies[i].supply);
-		if (ret < 0) {
-			for (--i; i >= 0; i--)
-				unset_consumer_device_supply(rdev,
-				    init_data->consumer_supplies[i].dev_name,
-				    init_data->consumer_supplies[i].dev);
-			goto scrub;
-		}
+		if (ret < 0)
+			goto unset_supplies;
 	}
 
 	list_add(&rdev->list, &regulator_list);
@@ -2389,6 +2361,9 @@ out:
 	mutex_unlock(&regulator_list_mutex);
 	return rdev;
 
+unset_supplies:
+	unset_regulator_supplies(rdev);
+
 scrub:
 	device_unregister(&rdev->dev);
 	/* device core frees rdev */

From 192bbb95ca16f2b4d4383e76b3262672e6116daa Mon Sep 17 00:00:00 2001
From: Haojian Zhuang <haojian.zhuang@marvell.com>
Date: Thu, 29 Apr 2010 13:33:50 -0400
Subject: [PATCH 2940/3638] regulator: make 88pm860x sharing one driver
 structure

Remove a lot of driver structures in 88pm860x driver. Make regulators share
one driver structure.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/mfd/88pm860x-core.c  | 34 ++++++++++++------------
 drivers/regulator/88pm8607.c | 51 +++++++-----------------------------
 2 files changed, 27 insertions(+), 58 deletions(-)

diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index 6a14d2b1ccf..21de38daf94 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -176,30 +176,30 @@ static struct resource regulator_resources[] = {
 	PM8607_REG_RESOURCE(LDO14, LDO14),
 };
 
-#define PM8607_REG_DEVS(_name, _id)					\
+#define PM8607_REG_DEVS(_id)						\
 {									\
-	.name		= "88pm8607-" #_name,				\
+	.name		= "88pm860x-regulator",				\
 	.num_resources	= 1,						\
 	.resources	= &regulator_resources[PM8607_ID_##_id],	\
 	.id		= PM8607_ID_##_id,				\
 }
 
 static struct mfd_cell regulator_devs[] = {
-	PM8607_REG_DEVS(buck1, BUCK1),
-	PM8607_REG_DEVS(buck2, BUCK2),
-	PM8607_REG_DEVS(buck3, BUCK3),
-	PM8607_REG_DEVS(ldo1,  LDO1),
-	PM8607_REG_DEVS(ldo2,  LDO2),
-	PM8607_REG_DEVS(ldo3,  LDO3),
-	PM8607_REG_DEVS(ldo4,  LDO4),
-	PM8607_REG_DEVS(ldo5,  LDO5),
-	PM8607_REG_DEVS(ldo6,  LDO6),
-	PM8607_REG_DEVS(ldo7,  LDO7),
-	PM8607_REG_DEVS(ldo8,  LDO8),
-	PM8607_REG_DEVS(ldo9,  LDO9),
-	PM8607_REG_DEVS(ldo10, LDO10),
-	PM8607_REG_DEVS(ldo12, LDO12),
-	PM8607_REG_DEVS(ldo14, LDO14),
+	PM8607_REG_DEVS(BUCK1),
+	PM8607_REG_DEVS(BUCK2),
+	PM8607_REG_DEVS(BUCK3),
+	PM8607_REG_DEVS(LDO1),
+	PM8607_REG_DEVS(LDO2),
+	PM8607_REG_DEVS(LDO3),
+	PM8607_REG_DEVS(LDO4),
+	PM8607_REG_DEVS(LDO5),
+	PM8607_REG_DEVS(LDO6),
+	PM8607_REG_DEVS(LDO7),
+	PM8607_REG_DEVS(LDO8),
+	PM8607_REG_DEVS(LDO9),
+	PM8607_REG_DEVS(LDO10),
+	PM8607_REG_DEVS(LDO12),
+	PM8607_REG_DEVS(LDO14),
 };
 
 struct pm860x_irq_data {
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 5fb83e2ced2..121bab4c0dc 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -484,60 +484,29 @@ static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
 {
 	struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
 
+	platform_set_drvdata(pdev, NULL);
 	regulator_unregister(info->regulator);
 	return 0;
 }
 
-#define PM8607_REGULATOR_DRIVER(_name)				\
-{								\
-	.driver		= {					\
-		.name	= "88pm8607-" #_name,			\
-		.owner	= THIS_MODULE,				\
-	},							\
-	.probe		= pm8607_regulator_probe,		\
-	.remove		= __devexit_p(pm8607_regulator_remove),	\
-}
-
-static struct platform_driver pm8607_regulator_driver[] = {
-	PM8607_REGULATOR_DRIVER(buck1),
-	PM8607_REGULATOR_DRIVER(buck2),
-	PM8607_REGULATOR_DRIVER(buck3),
-	PM8607_REGULATOR_DRIVER(ldo1),
-	PM8607_REGULATOR_DRIVER(ldo2),
-	PM8607_REGULATOR_DRIVER(ldo3),
-	PM8607_REGULATOR_DRIVER(ldo4),
-	PM8607_REGULATOR_DRIVER(ldo5),
-	PM8607_REGULATOR_DRIVER(ldo6),
-	PM8607_REGULATOR_DRIVER(ldo7),
-	PM8607_REGULATOR_DRIVER(ldo8),
-	PM8607_REGULATOR_DRIVER(ldo9),
-	PM8607_REGULATOR_DRIVER(ldo10),
-	PM8607_REGULATOR_DRIVER(ldo12),
-	PM8607_REGULATOR_DRIVER(ldo14),
+static struct platform_driver pm8607_regulator_driver = {
+	.driver		= {
+		.name	= "88pm860x-regulator",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= pm8607_regulator_probe,
+	.remove		= __devexit_p(pm8607_regulator_remove),
 };
 
 static int __init pm8607_regulator_init(void)
 {
-	int i, count, ret;
-
-	count = ARRAY_SIZE(pm8607_regulator_driver);
-	for (i = 0; i < count; i++) {
-		ret = platform_driver_register(&pm8607_regulator_driver[i]);
-		if (ret != 0)
-			pr_err("Failed to register regulator driver: %d\n",
-				ret);
-	}
-	return 0;
+	return platform_driver_register(&pm8607_regulator_driver);
 }
 subsys_initcall(pm8607_regulator_init);
 
 static void __exit pm8607_regulator_exit(void)
 {
-	int i, count;
-
-	count = ARRAY_SIZE(pm8607_regulator_driver);
-	for (i = 0; i < count; i++)
-		platform_driver_unregister(&pm8607_regulator_driver[i]);
+	platform_driver_unregister(&pm8607_regulator_driver);
 }
 module_exit(pm8607_regulator_exit);
 

From 9f79e9db2e282857912bcfe7f741bcdd5c46e860 Mon Sep 17 00:00:00 2001
From: Haojian Zhuang <haojian.zhuang@marvell.com>
Date: Tue, 4 May 2010 09:54:51 -0400
Subject: [PATCH 2941/3638] regulator: use voltage number array in 88pm860x

A lot of condition comparision statements are used in original driver. These
statements are used to check the boundary of voltage numbers since voltage
number isn't linear.

Now use array of voltage numbers instead. Clean code with simpler way.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/mfd/88pm860x-core.c  |   2 +
 drivers/regulator/88pm8607.c | 480 ++++++++++++++++-------------------
 include/linux/mfd/88pm860x.h |   3 +-
 3 files changed, 223 insertions(+), 262 deletions(-)

diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index 21de38daf94..405d2d5183c 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -173,6 +173,7 @@ static struct resource regulator_resources[] = {
 	PM8607_REG_RESOURCE(LDO9,  LDO9),
 	PM8607_REG_RESOURCE(LDO10, LDO10),
 	PM8607_REG_RESOURCE(LDO12, LDO12),
+	PM8607_REG_RESOURCE(VIBRATOR_SET, VIBRATOR_SET),
 	PM8607_REG_RESOURCE(LDO14, LDO14),
 };
 
@@ -199,6 +200,7 @@ static struct mfd_cell regulator_devs[] = {
 	PM8607_REG_DEVS(LDO9),
 	PM8607_REG_DEVS(LDO10),
 	PM8607_REG_DEVS(LDO12),
+	PM8607_REG_DEVS(LDO13),
 	PM8607_REG_DEVS(LDO14),
 };
 
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 121bab4c0dc..7d149a8d8d9 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -23,9 +23,9 @@ struct pm8607_regulator_info {
 	struct regulator_dev	*regulator;
 	struct i2c_client	*i2c;
 
-	int	min_uV;
-	int	max_uV;
-	int	step_uV;
+	unsigned int	*vol_table;
+	unsigned int	*vol_suspend;
+
 	int	vol_reg;
 	int	vol_shift;
 	int	vol_nbits;
@@ -36,83 +36,189 @@ struct pm8607_regulator_info {
 	int	slope_double;
 };
 
-static inline int check_range(struct pm8607_regulator_info *info,
-				int min_uV, int max_uV)
-{
-	if (max_uV < info->min_uV || min_uV > info->max_uV || min_uV > max_uV)
-		return -EINVAL;
+static const unsigned int BUCK1_table[] = {
+	 725000,  750000,  775000,  800000,  825000,  850000,  875000,  900000,
+	 925000,  950000,  975000, 1000000, 1025000, 1050000, 1075000, 1100000,
+	1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
+	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
+	      0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
+	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
+	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
+	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
+};
 
-	return 0;
-}
+static const unsigned int BUCK1_suspend_table[] = {
+	      0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
+	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
+	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
+	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
+	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
+	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
+	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
+	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
+};
+
+static const unsigned int BUCK2_table[] = {
+	      0,   50000,  100000,  150000,  200000,  250000,  300000,  350000,
+	 400000,  450000,  500000,  550000,  600000,  650000,  700000,  750000,
+	 800000,  850000,  900000,  950000, 1000000, 1050000, 1100000, 1150000,
+	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
+	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
+	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
+	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
+	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
+};
+
+static const unsigned int BUCK2_suspend_table[] = {
+	      0,   50000,  100000,  150000,  200000,  250000,  300000,  350000,
+	 400000,  450000,  500000,  550000,  600000,  650000,  700000,  750000,
+	 800000,  850000,  900000,  950000, 1000000, 1050000, 1100000, 1150000,
+	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
+	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
+	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
+	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
+	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
+};
+
+static const unsigned int BUCK3_table[] = {
+              0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
+	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
+	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
+	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
+	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
+	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
+	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
+	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
+};
+
+static const unsigned int BUCK3_suspend_table[] = {
+              0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
+	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
+	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
+	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
+	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
+	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
+	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
+	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
+};
+
+static const unsigned int LDO1_table[] = {
+	1800000, 1200000, 2800000, 0,
+};
+
+static const unsigned int LDO1_suspend_table[] = {
+	1800000, 1200000, 0, 0,
+};
+
+static const unsigned int LDO2_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
+};
+
+static const unsigned int LDO2_suspend_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO3_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
+};
+
+static const unsigned int LDO3_suspend_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO4_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
+};
+
+static const unsigned int LDO4_suspend_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
+};
+
+static const unsigned int LDO5_table[] = {
+	2900000, 3000000, 3100000, 3300000,
+};
+
+static const unsigned int LDO5_suspend_table[] = {
+	2900000, 0, 0, 0,
+};
+
+static const unsigned int LDO6_table[] = {
+	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
+};
+
+static const unsigned int LDO6_suspend_table[] = {
+	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
+};
+
+static const unsigned int LDO7_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO7_suspend_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO8_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO8_suspend_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO9_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
+};
+
+static const unsigned int LDO9_suspend_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO10_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
+	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
+};
+
+static const unsigned int LDO10_suspend_table[] = {
+	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
+};
+
+static const unsigned int LDO12_table[] = {
+	1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
+	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
+};
+
+static const unsigned int LDO12_suspend_table[] = {
+	1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
+	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
+};
+
+static const unsigned int LDO13_table[] = {
+	1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, 0,
+};
+
+static const unsigned int LDO13_suspend_table[] = {
+	0,
+};
+
+static const unsigned int LDO14_table[] = {
+	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
+};
+
+static const unsigned int LDO14_suspend_table[] = {
+	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
+};
 
 static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
 	int ret = -EINVAL;
 
-	switch (info->desc.id) {
-	case PM8607_ID_BUCK1:
-		ret = (index < 0x1d) ? (index * 25000 + 800000) :
-			((index < 0x20) ? 1500000 :
-			((index < 0x40) ? ((index - 0x20) * 25000) :
-			-EINVAL));
-		break;
-	case PM8607_ID_BUCK3:
-		ret = (index < 0x3d) ? (index * 25000) :
-			((index < 0x40) ? 1500000 : -EINVAL);
-		if (ret < 0)
-			break;
+	if (info->vol_table && (index < (2 << info->vol_nbits))) {
+		ret = info->vol_table[index];
 		if (info->slope_double)
 			ret <<= 1;
-		break;
-	case PM8607_ID_LDO1:
-		ret = (index == 0) ? 1800000 :
-			((index == 1) ? 1200000 :
-			((index == 2) ? 2800000 : -EINVAL));
-		break;
-	case PM8607_ID_LDO5:
-		ret = (index == 0) ? 2900000 :
-			((index == 1) ? 3000000 :
-			((index == 2) ? 3100000 : 3300000));
-		break;
-	case PM8607_ID_LDO7:
-	case PM8607_ID_LDO8:
-		ret = (index < 3) ? (index * 50000 + 1800000) :
-			((index < 8) ? (index * 50000 + 2550000) :
-			 -EINVAL);
-		break;
-	case PM8607_ID_LDO12:
-		ret = (index < 2) ? (index * 100000 + 1800000) :
-			((index < 7) ? (index * 100000 + 2500000) :
-			((index == 7) ? 3300000 : 1200000));
-		break;
-	case PM8607_ID_LDO2:
-	case PM8607_ID_LDO3:
-	case PM8607_ID_LDO9:
-		ret = (index < 3) ? (index * 50000 + 1800000) :
-			((index < 7) ? (index * 50000 + 2550000) :
-			3300000);
-		break;
-	case PM8607_ID_LDO4:
-		ret = (index < 3) ? (index * 50000 + 1800000) :
-			((index < 6) ? (index * 50000 + 2550000) :
-			((index == 6) ? 2900000 : 3300000));
-		break;
-	case PM8607_ID_LDO6:
-		ret = (index < 2) ? (index * 50000 + 1800000) :
-			((index < 7) ? (index * 50000 + 2500000) :
-			3300000);
-		break;
-	case PM8607_ID_LDO10:
-		ret = (index < 3) ? (index * 50000 + 1800000) :
-			((index < 7) ? (index * 50000 + 2550000) :
-			((index == 7) ? 3300000 : 1200000));
-		break;
-	case PM8607_ID_LDO14:
-		ret = (index < 2) ? (index * 50000 + 1800000) :
-			((index < 7) ? (index * 50000 + 2600000) :
-			3300000);
-		break;
 	}
 	return ret;
 }
@@ -120,174 +226,26 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
 static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	int val = -ENOENT;
-	int ret;
+	int i, ret = -ENOENT;
 
-	switch (info->desc.id) {
-	case PM8607_ID_BUCK1:
-		if (min_uV >= 800000) 		/* 800mV ~ 1500mV / 25mV */
-			val = (min_uV - 775001) / 25000;
-		else {				/* 25mV ~ 775mV / 25mV */
-			val = (min_uV + 249999) / 25000;
-			val += 32;
-		}
-		break;
-	case PM8607_ID_BUCK3:
-		if (info->slope_double)
-			min_uV = min_uV >> 1;
-		val = (min_uV + 249999) / 25000; /* 0mV ~ 1500mV / 25mV */
-
-		break;
-	case PM8607_ID_LDO1:
-		if (min_uV > 1800000)
-			val = 2;
-		else if (min_uV > 1200000)
-			val = 0;
-		else
-			val = 1;
-		break;
-	case PM8607_ID_LDO5:
-		if (min_uV > 3100000)
-			val = 3;
-		else				/* 2900mV ~ 3100mV / 100mV */
-			val = (min_uV - 2800001) / 100000;
-		break;
-	case PM8607_ID_LDO7:
-	case PM8607_ID_LDO8:
-		if (min_uV < 2700000) {	/* 1800mV ~ 1900mV / 50mV */
-			if (min_uV <= 1800000)
-				val = 0;	/* 1800mv */
-			else if (min_uV <= 1900000)
-				val = (min_uV - 1750001) / 50000;
-			else
-				val = 3;	/* 2700mV */
-		} else {		 /* 2700mV ~ 2900mV / 50mV */
-			if (min_uV <= 2900000) {
-				val = (min_uV - 2650001) / 50000;
-				val += 3;
-			} else
-				val = -EINVAL;
-		}
-		break;
-	case PM8607_ID_LDO10:
-		if (min_uV > 2850000)
-			val = 7;
-		else if (min_uV <= 1200000)
-			val = 8;
-		else if (min_uV < 2700000)	/* 1800mV ~ 1900mV / 50mV */
-			val = (min_uV - 1750001) / 50000;
-		else {				/* 2700mV ~ 2850mV / 50mV */
-			val = (min_uV - 2650001) / 50000;
-			val += 3;
-		}
-		break;
-	case PM8607_ID_LDO12:
-		if (min_uV < 2700000) {		/* 1800mV ~ 1900mV / 100mV */
-			if (min_uV <= 1200000)
-				val = 8;	/* 1200mV */
-			else if (min_uV <= 1800000)
-				val = 0;	/* 1800mV */
-			else if (min_uV <= 1900000)
-				val = (min_uV - 1700001) / 100000;
-			else
-				val = 2;	/* 2700mV */
-		} else {			/* 2700mV ~ 3100mV / 100mV */
-			if (min_uV <= 3100000) {
-				val = (min_uV - 2600001) / 100000;
-				val += 2;
-			} else if (min_uV <= 3300000)
-				val = 7;
-			else
-				val = -EINVAL;
-		}
-		break;
-	case PM8607_ID_LDO2:
-	case PM8607_ID_LDO3:
-	case PM8607_ID_LDO9:
-		if (min_uV < 2700000) {	/* 1800mV ~ 1900mV / 50mV */
-			if (min_uV <= 1800000)
-				val = 0;
-			else if (min_uV <= 1900000)
-				val = (min_uV - 1750001) / 50000;
-			else
-				val = 3;	/* 2700mV */
-		} else {		 /* 2700mV ~ 2850mV / 50mV */
-			if (min_uV <= 2850000) {
-				val = (min_uV - 2650001) / 50000;
-				val += 3;
-			} else if (min_uV <= 3300000)
-				val = 7;
-			else
-				val = -EINVAL;
-		}
-		break;
-	case PM8607_ID_LDO4:
-		if (min_uV < 2700000) {	/* 1800mV ~ 1900mV / 50mV */
-			if (min_uV <= 1800000)
-				val = 0;
-			else if (min_uV <= 1900000)
-				val = (min_uV - 1750001) / 50000;
-			else
-				val = 3;	/* 2700mV */
-		} else {		 /* 2700mV ~ 2800mV / 50mV */
-			if (min_uV <= 2850000) {
-				val = (min_uV - 2650001) / 50000;
-				val += 3;
-			} else if (min_uV <= 2900000)
-				val = 6;
-			else if (min_uV <= 3300000)
-				val = 7;
-			else
-				val = -EINVAL;
-		}
-		break;
-	case PM8607_ID_LDO6:
-		if (min_uV < 2600000) {	/* 1800mV ~ 1850mV / 50mV */
-			if (min_uV <= 1800000)
-				val = 0;
-			else if (min_uV <= 1850000)
-				val = (min_uV - 1750001) / 50000;
-			else
-				val = 2;	/* 2600mV */
-		} else {		/* 2600mV ~ 2800mV / 50mV */
-			if (min_uV <= 2800000) {
-				val = (min_uV - 2550001) / 50000;
-				val += 2;
-			} else if (min_uV <= 3300000)
-				val = 7;
-			else
-				val = -EINVAL;
-		}
-		break;
-	case PM8607_ID_LDO14:
-		if (min_uV < 2700000) {	/* 1800mV ~ 1850mV / 50mV */
-			if (min_uV <= 1800000)
-				val = 0;
-			else if (min_uV <= 1850000)
-				val = (min_uV - 1750001) / 50000;
-			else
-				val = 2;	/* 2700mV */
-		} else {		 /* 2700mV ~ 2900mV / 50mV */
-			if (min_uV <= 2900000) {
-				val = (min_uV - 2650001) / 50000;
-				val += 2;
-			} else if (min_uV <= 3300000)
-				val = 7;
-			else
-				val = -EINVAL;
-		}
-		break;
+	if (info->slope_double) {
+		min_uV = min_uV >> 1;
+		max_uV = max_uV >> 1;
 	}
-	if (val >= 0) {
-		ret = pm8607_list_voltage(rdev, val);
-		if (ret > max_uV) {
-			pr_err("exceed voltage range (%d %d) uV",
-				min_uV, max_uV);
-			return -EINVAL;
+	if (info->vol_table) {
+		for (i = 0; i < (2 << info->vol_nbits); i++) {
+			if (!info->vol_table[i])
+				break;
+			if ((min_uV <= info->vol_table[i])
+				&& (max_uV >= info->vol_table[i])) {
+				ret = i;
+				break;
+			}
 		}
-	} else
-		pr_err("invalid voltage range (%d %d) uV", min_uV, max_uV);
-	return val;
+	}
+	if (ret < 0)
+		pr_err("invalid voltage range (%d %d) uV\n", min_uV, max_uV);
+	return ret;
 }
 
 static int pm8607_set_voltage(struct regulator_dev *rdev,
@@ -297,7 +255,7 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
 	uint8_t val, mask;
 	int ret;
 
-	if (check_range(info, min_uV, max_uV)) {
+	if (min_uV > max_uV) {
 		pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
 		return -EINVAL;
 	}
@@ -375,18 +333,15 @@ static struct regulator_ops pm8607_regulator_ops = {
 	.is_enabled	= pm8607_is_enabled,
 };
 
-#define PM8607_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
+#define PM8607_DVC(vreg, nbits, ureg, ubit, ereg, ebit)			\
 {									\
 	.desc	= {							\
-		.name	= "BUCK" #_id,					\
+		.name	= #vreg,					\
 		.ops	= &pm8607_regulator_ops,			\
 		.type	= REGULATOR_VOLTAGE,				\
-		.id	= PM8607_ID_BUCK##_id,				\
+		.id	= PM8607_ID_##vreg,				\
 		.owner	= THIS_MODULE,					\
 	},								\
-	.min_uV		= (min) * 1000,					\
-	.max_uV		= (max) * 1000,					\
-	.step_uV	= (step) * 1000,				\
 	.vol_reg	= PM8607_##vreg,				\
 	.vol_shift	= (0),						\
 	.vol_nbits	= (nbits),					\
@@ -395,9 +350,11 @@ static struct regulator_ops pm8607_regulator_ops = {
 	.enable_reg	= PM8607_##ereg,				\
 	.enable_bit	= (ebit),					\
 	.slope_double	= (0),						\
+	.vol_table	= (unsigned int *)&vreg##_table,		\
+	.vol_suspend	= (unsigned int *)&vreg##_suspend_table,	\
 }
 
-#define PM8607_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit)	\
+#define PM8607_LDO(_id, vreg, shift, nbits, ereg, ebit)			\
 {									\
 	.desc	= {							\
 		.name	= "LDO" #_id,					\
@@ -406,33 +363,34 @@ static struct regulator_ops pm8607_regulator_ops = {
 		.id	= PM8607_ID_LDO##_id,				\
 		.owner	= THIS_MODULE,					\
 	},								\
-	.min_uV		= (min) * 1000,					\
-	.max_uV		= (max) * 1000,					\
-	.step_uV	= (step) * 1000,				\
 	.vol_reg	= PM8607_##vreg,				\
 	.vol_shift	= (shift),					\
 	.vol_nbits	= (nbits),					\
 	.enable_reg	= PM8607_##ereg,				\
 	.enable_bit	= (ebit),					\
 	.slope_double	= (0),						\
+	.vol_table	= (unsigned int *)&LDO##_id##_table,		\
+	.vol_suspend	= (unsigned int *)&LDO##_id##_suspend_table,	\
 }
 
 static struct pm8607_regulator_info pm8607_regulator_info[] = {
-	PM8607_DVC(1, 0, 1500, 25, BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
-	PM8607_DVC(3, 0, 1500, 25, BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
+	PM8607_DVC(BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
+	PM8607_DVC(BUCK2, 6, GO, 1, SUPPLIES_EN11, 1),
+	PM8607_DVC(BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
 
-	PM8607_LDO(1 , 1200, 2800, 0, LDO1 , 0, 2, SUPPLIES_EN11, 3),
-	PM8607_LDO(2 , 1800, 3300, 0, LDO2 , 0, 3, SUPPLIES_EN11, 4),
-	PM8607_LDO(3 , 1800, 3300, 0, LDO3 , 0, 3, SUPPLIES_EN11, 5),
-	PM8607_LDO(4 , 1800, 3300, 0, LDO4 , 0, 3, SUPPLIES_EN11, 6),
-	PM8607_LDO(5 , 2900, 3300, 0, LDO5 , 0, 2, SUPPLIES_EN11, 7),
-	PM8607_LDO(6 , 1800, 3300, 0, LDO6 , 0, 3, SUPPLIES_EN12, 0),
-	PM8607_LDO(7 , 1800, 2900, 0, LDO7 , 0, 3, SUPPLIES_EN12, 1),
-	PM8607_LDO(8 , 1800, 2900, 0, LDO8 , 0, 3, SUPPLIES_EN12, 2),
-	PM8607_LDO(9 , 1800, 3300, 0, LDO9 , 0, 3, SUPPLIES_EN12, 3),
-	PM8607_LDO(10, 1200, 3300, 0, LDO10, 0, 4, SUPPLIES_EN11, 4),
-	PM8607_LDO(12, 1200, 3300, 0, LDO12, 0, 4, SUPPLIES_EN11, 5),
-	PM8607_LDO(14, 1800, 3300, 0, LDO14, 0, 3, SUPPLIES_EN11, 6),
+	PM8607_LDO( 1,         LDO1, 0, 2, SUPPLIES_EN11, 3),
+	PM8607_LDO( 2,         LDO2, 0, 3, SUPPLIES_EN11, 4),
+	PM8607_LDO( 3,         LDO3, 0, 3, SUPPLIES_EN11, 5),
+	PM8607_LDO( 4,         LDO4, 0, 3, SUPPLIES_EN11, 6),
+	PM8607_LDO( 5,         LDO5, 0, 2, SUPPLIES_EN11, 7),
+	PM8607_LDO( 6,         LDO6, 0, 3, SUPPLIES_EN12, 0),
+	PM8607_LDO( 7,         LDO7, 0, 3, SUPPLIES_EN12, 1),
+	PM8607_LDO( 8,         LDO8, 0, 3, SUPPLIES_EN12, 2),
+	PM8607_LDO( 9,         LDO9, 0, 3, SUPPLIES_EN12, 3),
+	PM8607_LDO(10,        LDO10, 0, 3, SUPPLIES_EN12, 4),
+	PM8607_LDO(12,        LDO12, 0, 4, SUPPLIES_EN12, 5),
+	PM8607_LDO(13, VIBRATOR_SET, 1, 3,  VIBRATOR_SET, 0),
+	PM8607_LDO(14,        LDO14, 0, 4, SUPPLIES_EN12, 6),
 };
 
 static inline struct pm8607_regulator_info *find_regulator_info(int id)
diff --git a/include/linux/mfd/88pm860x.h b/include/linux/mfd/88pm860x.h
index 73f92c5feea..e3c4ff8c3e3 100644
--- a/include/linux/mfd/88pm860x.h
+++ b/include/linux/mfd/88pm860x.h
@@ -132,6 +132,7 @@ enum {
 	PM8607_ID_LDO9,
 	PM8607_ID_LDO10,
 	PM8607_ID_LDO12,
+	PM8607_ID_LDO13,
 	PM8607_ID_LDO14,
 
 	PM8607_ID_RG_MAX,
@@ -309,7 +310,7 @@ struct pm860x_chip {
 
 };
 
-#define PM8607_MAX_REGULATOR	15	/* 3 Bucks, 12 LDOs */
+#define PM8607_MAX_REGULATOR	PM8607_ID_RG_MAX	/* 3 Bucks, 13 LDOs */
 
 enum {
 	GI2C_PORT = 0,

From 1dcc434b52ff25416b225f6ac229fc775867303a Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 6 May 2010 11:33:36 +0800
Subject: [PATCH 2942/3638] mc13783-regulator: fix vaild voltage range checking
 for mc13783_fixed_regulator_set_voltage

In the case of "min_uV == max_uV == mc13783_regulators[id].voltages[0]",
mc13783_fixed_regulator_set_voltage should return 0 instead of -EINVAL.

This patch also adds a missing ">" character for MODULE_AUTHOR, a trivial fix.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/regulator/mc13783-regulator.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
index ad036dd8da1..4597d508a22 100644
--- a/drivers/regulator/mc13783-regulator.c
+++ b/drivers/regulator/mc13783-regulator.c
@@ -440,8 +440,8 @@ static int mc13783_fixed_regulator_set_voltage(struct regulator_dev *rdev,
 	dev_dbg(rdev_get_dev(rdev), "%s id: %d min_uV: %d max_uV: %d\n",
 		__func__, id, min_uV, max_uV);
 
-	if (min_uV > mc13783_regulators[id].voltages[0] &&
-	    max_uV < mc13783_regulators[id].voltages[0])
+	if (min_uV >= mc13783_regulators[id].voltages[0] &&
+	    max_uV <= mc13783_regulators[id].voltages[0])
 		return 0;
 	else
 		return -EINVAL;
@@ -649,6 +649,6 @@ static void __exit mc13783_regulator_exit(void)
 module_exit(mc13783_regulator_exit);
 
 MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de");
+MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
 MODULE_DESCRIPTION("Regulator Driver for Freescale MC13783 PMIC");
 MODULE_ALIAS("platform:mc13783-regulator");

From 3e3d3be79c75a214cd81454bb891980532d8ca89 Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <rnayak@ti.com>
Date: Thu, 22 Apr 2010 14:18:32 +0530
Subject: [PATCH 2943/3638] twl6030: regulator: Remove vsel tables and use
 formula for calculation

All twl6030 regulators can be programmed from 1.0v to 3.3v
with 100mV steps.
The below formula can be used to calculate the vsel values
to be programmed in the VREG_VOLTAGE registers.

Voltage(in mV) = 1000mv + 100mv * (vsel - 1)

Ex: if vsel = 0x9, mV = 1000 + 100 * (9 -1) = 1800mV.

This patch removes all existing VSEL tables for twl6030 adjustable
regulators and just uses the formula directly for vsel calculations
after verifing they fall in the allowed range.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/regulator/twl-regulator.c | 138 ++++++++++++++++++++----------
 1 file changed, 91 insertions(+), 47 deletions(-)

diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 9729d760fb4..7e5892efc43 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -49,6 +49,7 @@ struct twlreg_info {
 
 	/* chip constraints on regulator behavior */
 	u16			min_mV;
+	u16			max_mV;
 
 	/* used by regulator core */
 	struct regulator_desc	desc;
@@ -318,31 +319,8 @@ static const u16 VIO_VSEL_table[] = {
 static const u16 VINTANA2_VSEL_table[] = {
 	2500, 2750,
 };
-static const u16 VAUX1_6030_VSEL_table[] = {
-	1000, 1300, 1800, 2500,
-	2800, 2900, 3000, 3000,
-};
-static const u16 VAUX2_6030_VSEL_table[] = {
-	1200, 1800, 2500, 2750,
-	2800, 2800, 2800, 2800,
-};
-static const u16 VAUX3_6030_VSEL_table[] = {
-	1000, 1200, 1300, 1800,
-	2500, 2800, 3000, 3000,
-};
-static const u16 VMMC_VSEL_table[] = {
-	1200, 1800, 2800, 2900,
-	3000, 3000, 3000, 3000,
-};
-static const u16 VPP_VSEL_table[] = {
-	1800, 1900, 2000, 2100,
-	2200, 2300, 2400, 2500,
-};
-static const u16 VUSIM_VSEL_table[] = {
-	1200, 1800, 2500, 2900,
-};
 
-static int twlldo_list_voltage(struct regulator_dev *rdev, unsigned index)
+static int twl4030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
 {
 	struct twlreg_info	*info = rdev_get_drvdata(rdev);
 	int			mV = info->table[index];
@@ -351,7 +329,7 @@ static int twlldo_list_voltage(struct regulator_dev *rdev, unsigned index)
 }
 
 static int
-twlldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
+twl4030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
 {
 	struct twlreg_info	*info = rdev_get_drvdata(rdev);
 	int			vsel;
@@ -375,7 +353,7 @@ twlldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
 	return -EDOM;
 }
 
-static int twlldo_get_voltage(struct regulator_dev *rdev)
+static int twl4030ldo_get_voltage(struct regulator_dev *rdev)
 {
 	struct twlreg_info	*info = rdev_get_drvdata(rdev);
 	int		vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
@@ -388,11 +366,67 @@ static int twlldo_get_voltage(struct regulator_dev *rdev)
 	return LDO_MV(info->table[vsel]) * 1000;
 }
 
-static struct regulator_ops twlldo_ops = {
-	.list_voltage	= twlldo_list_voltage,
+static struct regulator_ops twl4030ldo_ops = {
+	.list_voltage	= twl4030ldo_list_voltage,
 
-	.set_voltage	= twlldo_set_voltage,
-	.get_voltage	= twlldo_get_voltage,
+	.set_voltage	= twl4030ldo_set_voltage,
+	.get_voltage	= twl4030ldo_get_voltage,
+
+	.enable		= twlreg_enable,
+	.disable	= twlreg_disable,
+	.is_enabled	= twlreg_is_enabled,
+
+	.set_mode	= twlreg_set_mode,
+
+	.get_status	= twlreg_get_status,
+};
+
+static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
+{
+	struct twlreg_info	*info = rdev_get_drvdata(rdev);
+
+	return ((info->min_mV + (index * 100)) * 1000);
+}
+
+static int
+twl6030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
+{
+	struct twlreg_info	*info = rdev_get_drvdata(rdev);
+	int			vsel;
+
+	if ((min_uV/1000 < info->min_mV) || (max_uV/1000 > info->max_mV))
+		return -EDOM;
+
+	/*
+	 * Use the below formula to calculate vsel
+	 * mV = 1000mv + 100mv * (vsel - 1)
+	 */
+	vsel = (min_uV/1000 - 1000)/100 + 1;
+	return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE, vsel);
+
+}
+
+static int twl6030ldo_get_voltage(struct regulator_dev *rdev)
+{
+	struct twlreg_info	*info = rdev_get_drvdata(rdev);
+	int		vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
+								VREG_VOLTAGE);
+
+	if (vsel < 0)
+		return vsel;
+
+	/*
+	 * Use the below formula to calculate vsel
+	 * mV = 1000mv + 100mv * (vsel - 1)
+	 */
+	return (1000 + (100 * (vsel - 1))) * 1000;
+}
+
+static struct regulator_ops twl6030ldo_ops = {
+	.list_voltage	= twl6030ldo_list_voltage,
+
+	.set_voltage	= twl6030ldo_set_voltage,
+	.get_voltage	= twl6030ldo_get_voltage,
 
 	.enable		= twlreg_enable,
 	.disable	= twlreg_disable,
@@ -438,24 +472,16 @@ static struct regulator_ops twlfixed_ops = {
 
 /*----------------------------------------------------------------------*/
 
-#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \
-		TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \
-			remap_conf, TWL4030)
 #define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
 			remap_conf) \
 		TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
 			remap_conf, TWL4030)
-#define TWL6030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \
-			remap_conf) \
-		TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \
-			remap_conf, TWL6030)
 #define TWL6030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
 			remap_conf) \
 		TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
 			remap_conf, TWL6030)
 
-#define TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf, \
-		family) { \
+#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) { \
 	.base = offset, \
 	.id = num, \
 	.table_len = ARRAY_SIZE(label##_VSEL_table), \
@@ -464,14 +490,32 @@ static struct regulator_ops twlfixed_ops = {
 	.remap = remap_conf, \
 	.desc = { \
 		.name = #label, \
-		.id = family##_REG_##label, \
+		.id = TWL4030_REG_##label, \
 		.n_voltages = ARRAY_SIZE(label##_VSEL_table), \
-		.ops = &twlldo_ops, \
+		.ops = &twl4030ldo_ops, \
 		.type = REGULATOR_VOLTAGE, \
 		.owner = THIS_MODULE, \
 		}, \
 	}
 
+#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts, num, \
+		remap_conf) { \
+	.base = offset, \
+	.id = num, \
+	.min_mV = min_mVolts, \
+	.max_mV = max_mVolts, \
+	.remap = remap_conf, \
+	.desc = { \
+		.name = #label, \
+		.id = TWL6030_REG_##label, \
+		.n_voltages = (max_mVolts - min_mVolts)/100, \
+		.ops = &twl6030ldo_ops, \
+		.type = REGULATOR_VOLTAGE, \
+		.owner = THIS_MODULE, \
+		}, \
+	}
+
+
 #define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \
 		family) { \
 	.base = offset, \
@@ -519,12 +563,12 @@ static struct twlreg_info twl_regs[] = {
 	/* 6030 REG with base as PMC Slave Misc : 0x0030 */
 	/* Turnon-delay and remap configuration values for 6030 are not
 	   verified since the specification is not public */
-	TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1, 0, 0x21),
-	TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 2, 0, 0x21),
-	TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 3, 0, 0x21),
-	TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 4, 0, 0x21),
-	TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 5, 0, 0x21),
-	TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 7, 0, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300, 1, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300, 2, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300, 3, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300, 4, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300, 5, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300, 7, 0x21),
 	TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0, 0x21),
 	TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0, 0x21),
 	TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0, 0x21),

From 64714354a45a58a072cfc926db0a078611a63d43 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 13 May 2010 17:33:01 +0800
Subject: [PATCH 2944/3638] Regulators: ab3100/bq24022: add a missing .owner
 field in regulator_desc

This patch adds a missing .owner field in regulator_desc, which is used for refcounting.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/regulator/ab3100.c  | 10 ++++++++++
 drivers/regulator/bq24022.c |  1 +
 2 files changed, 11 insertions(+)

diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 7de950959ed..1afd008ca95 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -492,18 +492,21 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 		.id   = AB3100_LDO_A,
 		.ops  = &regulator_ops_fixed,
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "LDO_C",
 		.id   = AB3100_LDO_C,
 		.ops  = &regulator_ops_fixed,
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "LDO_D",
 		.id   = AB3100_LDO_D,
 		.ops  = &regulator_ops_fixed,
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "LDO_E",
@@ -511,6 +514,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 		.ops  = &regulator_ops_variable_sleepable,
 		.n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages),
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "LDO_F",
@@ -518,6 +522,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 		.ops  = &regulator_ops_variable,
 		.n_voltages = ARRAY_SIZE(ldo_f_typ_voltages),
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "LDO_G",
@@ -525,6 +530,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 		.ops  = &regulator_ops_variable,
 		.n_voltages = ARRAY_SIZE(ldo_g_typ_voltages),
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "LDO_H",
@@ -532,6 +538,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 		.ops  = &regulator_ops_variable,
 		.n_voltages = ARRAY_SIZE(ldo_h_typ_voltages),
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "LDO_K",
@@ -539,12 +546,14 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 		.ops  = &regulator_ops_variable,
 		.n_voltages = ARRAY_SIZE(ldo_k_typ_voltages),
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "LDO_EXT",
 		.id   = AB3100_LDO_EXT,
 		.ops  = &regulator_ops_external,
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 	{
 		.name = "BUCK",
@@ -552,6 +561,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 		.ops  = &regulator_ops_variable_sleepable,
 		.n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages),
 		.type = REGULATOR_VOLTAGE,
+		.owner = THIS_MODULE,
 	},
 };
 
diff --git a/drivers/regulator/bq24022.c b/drivers/regulator/bq24022.c
index d08cd9b66c6..068d488a4f7 100644
--- a/drivers/regulator/bq24022.c
+++ b/drivers/regulator/bq24022.c
@@ -78,6 +78,7 @@ static struct regulator_desc bq24022_desc = {
 	.name  = "bq24022",
 	.ops   = &bq24022_ops,
 	.type  = REGULATOR_CURRENT,
+	.owner = THIS_MODULE,
 };
 
 static int __init bq24022_probe(struct platform_device *pdev)

From 500b4ac90d1103a7c302d5bb16c53f4ffc45d057 Mon Sep 17 00:00:00 2001
From: Sundar R Iyer <sundar.iyer@stericsson.com>
Date: Mon, 17 May 2010 21:24:48 +0530
Subject: [PATCH 2945/3638] regulator: return set_mode is same mode is
 requested

On Mon, 2010-05-17 at 17:34 +0200, Mark Brown wrote:
> This doesn't seem like the right error handling - if the driver has a
> set_mode() you'd *expect* it to have a get_mode() but there's no need
> for it to be a strict requirement.
True. In such a case, even a valid request would be lost! So now
in the updated patch:
 - check if get_mode is present to avoid oops;
 - if get_mode is not present, proceed anyways for the request.

Here is the updated patch:

>From bad0d5eb51ef84be5b100e3dd0f5a590ea0529b6 Mon Sep 17 00:00:00 2001
From: Sundar R Iyer <sundar.iyer@stericsson.com>
Date: Fri, 14 May 2010 15:14:17 +0530
Subject: [PATCH 1/1] regulator: return set_mode when same mode is requested

save I/O costs by returning when the same mode is
requested for the regulator

Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Sundar R Iyer <sundar.iyer@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 drivers/regulator/core.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 98e5d14f94f..2248087b9be 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1745,6 +1745,7 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode)
 {
 	struct regulator_dev *rdev = regulator->rdev;
 	int ret;
+	int regulator_curr_mode;
 
 	mutex_lock(&rdev->mutex);
 
@@ -1754,6 +1755,15 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode)
 		goto out;
 	}
 
+	/* return if the same mode is requested */
+	if (rdev->desc->ops->get_mode) {
+		regulator_curr_mode = rdev->desc->ops->get_mode(rdev);
+		if (regulator_curr_mode == mode) {
+			ret = 0;
+			goto out;
+		}
+	}
+
 	/* constraints check */
 	ret = regulator_check_mode(rdev, mode);
 	if (ret < 0)

From 87f44bbc246c5244c76a701f8eefba7788bce64a Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Tue, 25 May 2010 11:02:55 +0200
Subject: [PATCH 2946/3638] perf, trace: Fix !x86 build bug

Patch b7e2ecef92 (perf, trace: Optimize tracepoints by removing
IRQ-disable from perf/tracepoint interaction) made the
unfortunate mistake of assuming the world is x86 only, correct
this.

The problem was that perf_fetch_caller_regs() did
local_save_flags() into regs->flags, and I re-used that to
remove another local_save_flags(), forgetting !x86 doesn't have
regs->flags.

Do the reverse, remove the local_save_flags() from
perf_fetch_caller_regs() and let the ftrace site do the
local_save_flags() instead.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Paul Mackerras <paulus@samba.org>
Cc: acme@redhat.com
Cc: efault@gmx.de
Cc: fweisbec@gmail.com
Cc: rostedt@goodmis.org
LKML-Reference: <1274778175.5882.623.camel@twins>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event.c | 6 +++++-
 kernel/trace/trace_event_perf.c  | 4 +++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index fd4db0db370..c77586061bc 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1717,7 +1717,11 @@ void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int ski
 	 */
 	regs->bp = rewind_frame_pointer(skip + 1);
 	regs->cs = __KERNEL_CS;
-	local_save_flags(regs->flags);
+	/*
+	 * We abuse bit 3 to pass exact information, see perf_misc_flags
+	 * and the comment with PERF_EFLAGS_EXACT.
+	 */
+	regs->flags = 0;
 }
 
 unsigned long perf_instruction_pointer(struct pt_regs *regs)
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 26b8607a0ab..cb6f365016e 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -157,6 +157,7 @@ __kprobes void *perf_trace_buf_prepare(int size, unsigned short type,
 				       struct pt_regs *regs, int *rctxp)
 {
 	struct trace_entry *entry;
+	unsigned long flags;
 	char *raw_data;
 	int pc;
 
@@ -174,7 +175,8 @@ __kprobes void *perf_trace_buf_prepare(int size, unsigned short type,
 	memset(&raw_data[size - sizeof(u64)], 0, sizeof(u64));
 
 	entry = (struct trace_entry *)raw_data;
-	tracing_generic_entry_update(entry, regs->flags, pc);
+	local_save_flags(flags);
+	tracing_generic_entry_update(entry, flags, pc);
 	entry->type = type;
 
 	return raw_data;

From bbabb158f0e9d41174ae5c2183a8e4f981daf6ce Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Tue, 25 May 2010 02:39:45 +0200
Subject: [PATCH 2947/3638] power_supply: Fix regression for 'type' property

Commit 5f487cd34f4337f9bc27ca19da72a39d1b0a0ab4 (power_supply: Use
attribute groups) causes a regression the power supply core does not
export the 'type' attribute anymore.

POWER_SUPPLY_PROP_TYPE is handled by the power supply core without the
low-level driver, so power_supply_attr_is_visible() must always return
the entry as readable.

Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/power_supply_sysfs.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 6a86cdfd79f..9d30eeb8c81 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -179,14 +179,16 @@ static mode_t power_supply_attr_is_visible(struct kobject *kobj,
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
 	struct power_supply *psy = dev_get_drvdata(dev);
+	mode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
 	int i;
 
+	if (attrno == POWER_SUPPLY_PROP_TYPE)
+		return mode;
+
 	for (i = 0; i < psy->num_properties; i++) {
 		int property = psy->properties[i];
 
 		if (property == attrno) {
-			mode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
-
 			if (psy->property_is_writeable &&
 			    psy->property_is_writeable(psy, property) > 0)
 				mode |= S_IWUSR;

From bb2fd8a844d3a9209599b5fb694b30ac46a56ef0 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 29 Apr 2010 10:03:17 +0200
Subject: [PATCH 2948/3638] watchdog: Driver for the watchdog timer on
 Freescale IMX2 (and later) processors.

This is the driver for the hardware watchdog on the Freescale IMX2 and later processors.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/Kconfig    |  12 ++
 drivers/watchdog/Makefile   |   1 +
 drivers/watchdog/imx2_wdt.c | 358 ++++++++++++++++++++++++++++++++++++
 3 files changed, 371 insertions(+)
 create mode 100644 drivers/watchdog/imx2_wdt.c

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index c57ecffe008..afcfacc9bbe 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -312,6 +312,18 @@ config MAX63XX_WATCHDOG
 	help
 	  Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
 
+config IMX2_WDT
+	tristate "IMX2+ Watchdog"
+	depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3 || ARCH_MX5
+	help
+	  This is the driver for the hardware watchdog
+	  on the Freescale IMX2 and later processors.
+	  If you have one of these processors and wish to have
+	  watchdog support enabled, say Y, otherwise say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called imx2_wdt.
+
 # AVR32 Architecture
 
 config AT32AP700X_WDT
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 5e3cb95bb0e..72f3e2073f8 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -47,6 +47,7 @@ obj-$(CONFIG_STMP3XXX_WATCHDOG) += stmp3xxx_wdt.o
 obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o
 obj-$(CONFIG_ADX_WATCHDOG) += adx_wdt.o
 obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_wdt.o
+obj-$(CONFIG_IMX2_WDT) += imx2_wdt.o
 
 # AVR32 Architecture
 obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
new file mode 100644
index 00000000000..ea25885781b
--- /dev/null
+++ b/drivers/watchdog/imx2_wdt.c
@@ -0,0 +1,358 @@
+/*
+ * Watchdog driver for IMX2 and later processors
+ *
+ *  Copyright (C) 2010 Wolfram Sang, Pengutronix e.K. <w.sang@pengutronix.de>
+ *
+ * some parts adapted by similar drivers from Darius Augulis and Vladimir
+ * Zapolskiy, additional improvements by Wim Van Sebroeck.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * NOTE: MX1 has a slightly different Watchdog than MX2 and later:
+ *
+ *			MX1:		MX2+:
+ *			----		-----
+ * Registers:		32-bit		16-bit
+ * Stopable timer:	Yes		No
+ * Need to enable clk:	No		Yes
+ * Halt on suspend:	Manual		Can be automatic
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/clk.h>
+#include <linux/fs.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/timer.h>
+#include <linux/jiffies.h>
+#include <mach/hardware.h>
+
+#define DRIVER_NAME "imx2-wdt"
+
+#define IMX2_WDT_WCR		0x00		/* Control Register */
+#define IMX2_WDT_WCR_WT		(0xFF << 8)	/* -> Watchdog Timeout Field */
+#define IMX2_WDT_WCR_WRE	(1 << 3)	/* -> WDOG Reset Enable */
+#define IMX2_WDT_WCR_WDE	(1 << 2)	/* -> Watchdog Enable */
+
+#define IMX2_WDT_WSR		0x02		/* Service Register */
+#define IMX2_WDT_SEQ1		0x5555		/* -> service sequence 1 */
+#define IMX2_WDT_SEQ2		0xAAAA		/* -> service sequence 2 */
+
+#define IMX2_WDT_MAX_TIME	128
+#define IMX2_WDT_DEFAULT_TIME	60		/* in seconds */
+
+#define WDOG_SEC_TO_COUNT(s)	((s * 2 - 1) << 8)
+
+#define IMX2_WDT_STATUS_OPEN	0
+#define IMX2_WDT_STATUS_STARTED	1
+#define IMX2_WDT_EXPECT_CLOSE	2
+
+static struct {
+	struct clk *clk;
+	void __iomem *base;
+	unsigned timeout;
+	unsigned long status;
+	struct timer_list timer;	/* Pings the watchdog when closed */
+} imx2_wdt;
+
+static struct miscdevice imx2_wdt_miscdev;
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+				__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+
+static unsigned timeout = IMX2_WDT_DEFAULT_TIME;
+module_param(timeout, uint, 0);
+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (default="
+				__MODULE_STRING(IMX2_WDT_DEFAULT_TIME) ")");
+
+static const struct watchdog_info imx2_wdt_info = {
+	.identity = "imx2+ watchdog",
+	.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+};
+
+static inline void imx2_wdt_setup(void)
+{
+	u16 val = __raw_readw(imx2_wdt.base + IMX2_WDT_WCR);
+
+	/* Strip the old watchdog Time-Out value */
+	val &= ~IMX2_WDT_WCR_WT;
+	/* Generate reset if WDOG times out */
+	val &= ~IMX2_WDT_WCR_WRE;
+	/* Keep Watchdog Disabled */
+	val &= ~IMX2_WDT_WCR_WDE;
+	/* Set the watchdog's Time-Out value */
+	val |= WDOG_SEC_TO_COUNT(imx2_wdt.timeout);
+
+	__raw_writew(val, imx2_wdt.base + IMX2_WDT_WCR);
+
+	/* enable the watchdog */
+	val |= IMX2_WDT_WCR_WDE;
+	__raw_writew(val, imx2_wdt.base + IMX2_WDT_WCR);
+}
+
+static inline void imx2_wdt_ping(void)
+{
+	__raw_writew(IMX2_WDT_SEQ1, imx2_wdt.base + IMX2_WDT_WSR);
+	__raw_writew(IMX2_WDT_SEQ2, imx2_wdt.base + IMX2_WDT_WSR);
+}
+
+static void imx2_wdt_timer_ping(unsigned long arg)
+{
+	/* ping it every imx2_wdt.timeout / 2 seconds to prevent reboot */
+	imx2_wdt_ping();
+	mod_timer(&imx2_wdt.timer, jiffies + imx2_wdt.timeout * HZ / 2);
+}
+
+static void imx2_wdt_start(void)
+{
+	if (!test_and_set_bit(IMX2_WDT_STATUS_STARTED, &imx2_wdt.status)) {
+		/* at our first start we enable clock and do initialisations */
+		clk_enable(imx2_wdt.clk);
+
+		imx2_wdt_setup();
+	} else	/* delete the timer that pings the watchdog after close */
+		del_timer_sync(&imx2_wdt.timer);
+
+	/* Watchdog is enabled - time to reload the timeout value */
+	imx2_wdt_ping();
+}
+
+static void imx2_wdt_stop(void)
+{
+	/* we don't need a clk_disable, it cannot be disabled once started.
+	 * We use a timer to ping the watchdog while /dev/watchdog is closed */
+	imx2_wdt_timer_ping(0);
+}
+
+static void imx2_wdt_set_timeout(int new_timeout)
+{
+	u16 val = __raw_readw(imx2_wdt.base + IMX2_WDT_WCR);
+
+	/* set the new timeout value in the WSR */
+	val &= ~IMX2_WDT_WCR_WT;
+	val |= WDOG_SEC_TO_COUNT(new_timeout);
+	__raw_writew(val, imx2_wdt.base + IMX2_WDT_WCR);
+}
+
+static int imx2_wdt_open(struct inode *inode, struct file *file)
+{
+	if (test_and_set_bit(IMX2_WDT_STATUS_OPEN, &imx2_wdt.status))
+		return -EBUSY;
+
+	imx2_wdt_start();
+	return nonseekable_open(inode, file);
+}
+
+static int imx2_wdt_close(struct inode *inode, struct file *file)
+{
+	if (test_bit(IMX2_WDT_EXPECT_CLOSE, &imx2_wdt.status) && !nowayout)
+		imx2_wdt_stop();
+	else {
+		dev_crit(imx2_wdt_miscdev.parent,
+			"Unexpected close: Expect reboot!\n");
+		imx2_wdt_ping();
+	}
+
+	clear_bit(IMX2_WDT_EXPECT_CLOSE, &imx2_wdt.status);
+	clear_bit(IMX2_WDT_STATUS_OPEN, &imx2_wdt.status);
+	return 0;
+}
+
+static long imx2_wdt_ioctl(struct file *file, unsigned int cmd,
+							unsigned long arg)
+{
+	void __user *argp = (void __user *)arg;
+	int __user *p = argp;
+	int new_value;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		return copy_to_user(argp, &imx2_wdt_info,
+			sizeof(struct watchdog_info)) ? -EFAULT : 0;
+
+	case WDIOC_GETSTATUS:
+	case WDIOC_GETBOOTSTATUS:
+		return put_user(0, p);
+
+	case WDIOC_KEEPALIVE:
+		imx2_wdt_ping();
+		return 0;
+
+	case WDIOC_SETTIMEOUT:
+		if (get_user(new_value, p))
+			return -EFAULT;
+		if ((new_value < 1) || (new_value > IMX2_WDT_MAX_TIME))
+			return -EINVAL;
+		imx2_wdt_set_timeout(new_value);
+		imx2_wdt.timeout = new_value;
+		imx2_wdt_ping();
+
+		/* Fallthrough to return current value */
+	case WDIOC_GETTIMEOUT:
+		return put_user(imx2_wdt.timeout, p);
+
+	default:
+		return -ENOTTY;
+	}
+}
+
+static ssize_t imx2_wdt_write(struct file *file, const char __user *data,
+						size_t len, loff_t *ppos)
+{
+	size_t i;
+	char c;
+
+	if (len == 0)	/* Can we see this even ? */
+		return 0;
+
+	clear_bit(IMX2_WDT_EXPECT_CLOSE, &imx2_wdt.status);
+	/* scan to see whether or not we got the magic character */
+	for (i = 0; i != len; i++) {
+		if (get_user(c, data + i))
+			return -EFAULT;
+		if (c == 'V')
+			set_bit(IMX2_WDT_EXPECT_CLOSE, &imx2_wdt.status);
+	}
+
+	imx2_wdt_ping();
+	return len;
+}
+
+static const struct file_operations imx2_wdt_fops = {
+	.owner = THIS_MODULE,
+	.llseek = no_llseek,
+	.unlocked_ioctl = imx2_wdt_ioctl,
+	.open = imx2_wdt_open,
+	.release = imx2_wdt_close,
+	.write = imx2_wdt_write,
+};
+
+static struct miscdevice imx2_wdt_miscdev = {
+	.minor = WATCHDOG_MINOR,
+	.name = "watchdog",
+	.fops = &imx2_wdt_fops,
+};
+
+static int __init imx2_wdt_probe(struct platform_device *pdev)
+{
+	int ret;
+	int res_size;
+	struct resource *res;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "can't get device resources\n");
+		return -ENODEV;
+	}
+
+	res_size = resource_size(res);
+	if (!devm_request_mem_region(&pdev->dev, res->start, res_size,
+		res->name)) {
+		dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
+			res_size, res->start);
+		return -ENOMEM;
+	}
+
+	imx2_wdt.base = devm_ioremap_nocache(&pdev->dev, res->start, res_size);
+	if (!imx2_wdt.base) {
+		dev_err(&pdev->dev, "ioremap failed\n");
+		return -ENOMEM;
+	}
+
+	imx2_wdt.clk = clk_get_sys("imx-wdt.0", NULL);
+	if (IS_ERR(imx2_wdt.clk)) {
+		dev_err(&pdev->dev, "can't get Watchdog clock\n");
+		return PTR_ERR(imx2_wdt.clk);
+	}
+
+	imx2_wdt.timeout = clamp_t(unsigned, timeout, 1, IMX2_WDT_MAX_TIME);
+	if (imx2_wdt.timeout != timeout)
+		dev_warn(&pdev->dev, "Initial timeout out of range! "
+			"Clamped from %u to %u\n", timeout, imx2_wdt.timeout);
+
+	setup_timer(&imx2_wdt.timer, imx2_wdt_timer_ping, 0);
+
+	imx2_wdt_miscdev.parent = &pdev->dev;
+	ret = misc_register(&imx2_wdt_miscdev);
+	if (ret)
+		goto fail;
+
+	dev_info(&pdev->dev,
+		"IMX2+ Watchdog Timer enabled. timeout=%ds (nowayout=%d)\n",
+						imx2_wdt.timeout, nowayout);
+	return 0;
+
+fail:
+	imx2_wdt_miscdev.parent = NULL;
+	clk_put(imx2_wdt.clk);
+	return ret;
+}
+
+static int __exit imx2_wdt_remove(struct platform_device *pdev)
+{
+	misc_deregister(&imx2_wdt_miscdev);
+
+	if (test_bit(IMX2_WDT_STATUS_STARTED, &imx2_wdt.status)) {
+		del_timer_sync(&imx2_wdt.timer);
+
+		dev_crit(imx2_wdt_miscdev.parent,
+			"Device removed: Expect reboot!\n");
+	} else
+		clk_put(imx2_wdt.clk);
+
+	imx2_wdt_miscdev.parent = NULL;
+	return 0;
+}
+
+static void imx2_wdt_shutdown(struct platform_device *pdev)
+{
+	if (test_bit(IMX2_WDT_STATUS_STARTED, &imx2_wdt.status)) {
+		/* we are running, we need to delete the timer but will give
+		 * max timeout before reboot will take place */
+		del_timer_sync(&imx2_wdt.timer);
+		imx2_wdt_set_timeout(IMX2_WDT_MAX_TIME);
+		imx2_wdt_ping();
+
+		dev_crit(imx2_wdt_miscdev.parent,
+			"Device shutdown: Expect reboot!\n");
+	}
+}
+
+static struct platform_driver imx2_wdt_driver = {
+	.probe		= imx2_wdt_probe,
+	.remove		= __exit_p(imx2_wdt_remove),
+	.shutdown	= imx2_wdt_shutdown,
+	.driver		= {
+		.name	= DRIVER_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init imx2_wdt_init(void)
+{
+	return platform_driver_probe(&imx2_wdt_driver, imx2_wdt_probe);
+}
+module_init(imx2_wdt_init);
+
+static void __exit imx2_wdt_exit(void)
+{
+	platform_driver_unregister(&imx2_wdt_driver);
+}
+module_exit(imx2_wdt_exit);
+
+MODULE_AUTHOR("Wolfram Sang");
+MODULE_DESCRIPTION("Watchdog driver for IMX2 and later");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_ALIAS("platform:" DRIVER_NAME);

From 4aa0edd294f69e3100973a0ecfa1e6b5ab42d83a Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 10:28:17 +0200
Subject: [PATCH 2949/3638] fuse: remove unneeded variable

"map" isn't needed any more after: 0bd87182d3ab18 "fuse: fix kunmap in
fuse_ioctl_copy_user"

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index a9f5e137f1d..4172bfee0f1 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1580,9 +1580,9 @@ static int fuse_ioctl_copy_user(struct page **pages, struct iovec *iov,
 	while (iov_iter_count(&ii)) {
 		struct page *page = pages[page_idx++];
 		size_t todo = min_t(size_t, PAGE_SIZE, iov_iter_count(&ii));
-		void *kaddr, *map;
+		void *kaddr;
 
-		kaddr = map = kmap(page);
+		kaddr = kmap(page);
 
 		while (todo) {
 			char __user *uaddr = ii.iov->iov_base + ii.iov_offset;

From 1bf94ca73ea524228b864275efa44373ebb939a0 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 25 May 2010 15:06:06 +0200
Subject: [PATCH 2950/3638] fuse: use get_user_pages_fast()

Replace uses of get_user_pages() with get_user_pages_fast().  It looks
nicer and should be faster in most cases.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/dev.c  | 5 +----
 fs/fuse/file.c | 5 +----
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index eb7e9423691..4623018e104 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -551,10 +551,7 @@ static int fuse_copy_fill(struct fuse_copy_state *cs)
 		cs->iov++;
 		cs->nr_segs--;
 	}
-	down_read(&current->mm->mmap_sem);
-	err = get_user_pages(current, current->mm, cs->addr, 1, cs->write, 0,
-			     &cs->pg, NULL);
-	up_read(&current->mm->mmap_sem);
+	err = get_user_pages_fast(cs->addr, 1, cs->write, &cs->pg);
 	if (err < 0)
 		return err;
 	BUG_ON(err != 1);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 4172bfee0f1..29bda0564e6 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -994,10 +994,7 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf,
 	nbytes = min_t(size_t, nbytes, FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT);
 	npages = (nbytes + offset + PAGE_SIZE - 1) >> PAGE_SHIFT;
 	npages = clamp(npages, 1, FUSE_MAX_PAGES_PER_REQ);
-	down_read(&current->mm->mmap_sem);
-	npages = get_user_pages(current, current->mm, user_addr, npages, !write,
-				0, req->pages, NULL);
-	up_read(&current->mm->mmap_sem);
+	npages = get_user_pages_fast(user_addr, npages, !write, req->pages);
 	if (npages < 0)
 		return npages;
 

From b5dd328537edeb4c1d2e71e344b6c443e0874d90 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 25 May 2010 15:06:06 +0200
Subject: [PATCH 2951/3638] fuse: get page reference for readpages

Acquire a page ref on pages in ->readpages() and release them when the
read has finished.  Not acquiring a reference didn't seem to cause any
trouble since the page is locked and will not be kicked out of the
page cache during the read.

However the following patches will want to remove the page from the
cache so a separate ref is needed.  Making the reference in req->pages
explicit also makes the code easier to understand.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/file.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 29bda0564e6..9ca68edcbdb 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -536,6 +536,7 @@ static void fuse_readpages_end(struct fuse_conn *fc, struct fuse_req *req)
 		else
 			SetPageError(page);
 		unlock_page(page);
+		page_cache_release(page);
 	}
 	if (req->ff)
 		fuse_file_put(req->ff);
@@ -589,6 +590,7 @@ static int fuse_readpages_fill(void *_data, struct page *page)
 			return PTR_ERR(req);
 		}
 	}
+	page_cache_get(page);
 	req->pages[req->num_pages] = page;
 	req->num_pages++;
 	return 0;

From dd3bb14f44a6382de2508ec387c7e5569ad2d4f1 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 25 May 2010 15:06:06 +0200
Subject: [PATCH 2952/3638] fuse: support splice() writing to fuse device

Allow userspace filesystem implementation to use splice() to write to
the fuse device.  The semantics of using splice() are:

 1) buffer the message header and data in a temporary pipe
 2) with a *single* splice() call move the message from the temporary pipe
    to the fuse device

The READ reply message has the most interesting use for this, since
now the data from an arbitrary file descriptor (which could be a
regular file, a block device or a socket) can be tranferred into the
fuse device without having to go through a userspace buffer.  It will
also allow zero copy moving of pages.

One caveat is that the protocol on the fuse device requires the length
of the whole message to be written into the header.  But the length of
the data transferred into the temporary pipe may not be known in
advance.  The current library implementation works around this by
using vmplice to write the header and modifying the header after
splicing the data into the pipe (error handling omitted):

	struct fuse_out_header out;

	iov.iov_base = &out;
	iov.iov_len = sizeof(struct fuse_out_header);
	vmsplice(pip[1], &iov, 1, 0);
	len = splice(input_fd, input_offset, pip[1], NULL, len, 0);
	/* retrospectively modify the header: */
	out.len = len + sizeof(struct fuse_out_header);
	splice(pip[0], NULL, fuse_chan_fd(req->ch), NULL, out.len, flags);

This works since vmsplice only saves a pointer to the data, it does
not copy the data itself.

Since pipes are currently limited to 16 pages and messages need to be
spliced atomically, the length of the data is limited to 15 pages (or
60kB for 4k pages).

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/dev.c        | 175 +++++++++++++++++++++++++++++++++++--------
 include/linux/fuse.h |   5 +-
 2 files changed, 148 insertions(+), 32 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 4623018e104..2795045484e 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -16,6 +16,7 @@
 #include <linux/pagemap.h>
 #include <linux/file.h>
 #include <linux/slab.h>
+#include <linux/pipe_fs_i.h>
 
 MODULE_ALIAS_MISCDEV(FUSE_MINOR);
 
@@ -498,6 +499,9 @@ struct fuse_copy_state {
 	int write;
 	struct fuse_req *req;
 	const struct iovec *iov;
+	struct pipe_buffer *pipebufs;
+	struct pipe_buffer *currbuf;
+	struct pipe_inode_info *pipe;
 	unsigned long nr_segs;
 	unsigned long seglen;
 	unsigned long addr;
@@ -522,7 +526,14 @@ static void fuse_copy_init(struct fuse_copy_state *cs, struct fuse_conn *fc,
 /* Unmap and put previous page of userspace buffer */
 static void fuse_copy_finish(struct fuse_copy_state *cs)
 {
-	if (cs->mapaddr) {
+	if (cs->currbuf) {
+		struct pipe_buffer *buf = cs->currbuf;
+
+		buf->ops->unmap(cs->pipe, buf, cs->mapaddr);
+
+		cs->currbuf = NULL;
+		cs->mapaddr = NULL;
+	} else if (cs->mapaddr) {
 		kunmap_atomic(cs->mapaddr, KM_USER0);
 		if (cs->write) {
 			flush_dcache_page(cs->pg);
@@ -544,23 +555,39 @@ static int fuse_copy_fill(struct fuse_copy_state *cs)
 
 	unlock_request(cs->fc, cs->req);
 	fuse_copy_finish(cs);
-	if (!cs->seglen) {
+	if (cs->pipebufs) {
+		struct pipe_buffer *buf = cs->pipebufs;
+
+		err = buf->ops->confirm(cs->pipe, buf);
+		if (err)
+			return err;
+
 		BUG_ON(!cs->nr_segs);
-		cs->seglen = cs->iov[0].iov_len;
-		cs->addr = (unsigned long) cs->iov[0].iov_base;
-		cs->iov++;
+		cs->currbuf = buf;
+		cs->mapaddr = buf->ops->map(cs->pipe, buf, 1);
+		cs->len = buf->len;
+		cs->buf = cs->mapaddr + buf->offset;
+		cs->pipebufs++;
 		cs->nr_segs--;
+	} else {
+		if (!cs->seglen) {
+			BUG_ON(!cs->nr_segs);
+			cs->seglen = cs->iov[0].iov_len;
+			cs->addr = (unsigned long) cs->iov[0].iov_base;
+			cs->iov++;
+			cs->nr_segs--;
+		}
+		err = get_user_pages_fast(cs->addr, 1, cs->write, &cs->pg);
+		if (err < 0)
+			return err;
+		BUG_ON(err != 1);
+		offset = cs->addr % PAGE_SIZE;
+		cs->mapaddr = kmap_atomic(cs->pg, KM_USER0);
+		cs->buf = cs->mapaddr + offset;
+		cs->len = min(PAGE_SIZE - offset, cs->seglen);
+		cs->seglen -= cs->len;
+		cs->addr += cs->len;
 	}
-	err = get_user_pages_fast(cs->addr, 1, cs->write, &cs->pg);
-	if (err < 0)
-		return err;
-	BUG_ON(err != 1);
-	offset = cs->addr % PAGE_SIZE;
-	cs->mapaddr = kmap_atomic(cs->pg, KM_USER0);
-	cs->buf = cs->mapaddr + offset;
-	cs->len = min(PAGE_SIZE - offset, cs->seglen);
-	cs->seglen -= cs->len;
-	cs->addr += cs->len;
 
 	return lock_request(cs->fc, cs->req);
 }
@@ -984,23 +1011,17 @@ static int copy_out_args(struct fuse_copy_state *cs, struct fuse_out *out,
  * it from the list and copy the rest of the buffer to the request.
  * The request is finished by calling request_end()
  */
-static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
-			       unsigned long nr_segs, loff_t pos)
+static ssize_t fuse_dev_do_write(struct fuse_conn *fc,
+				 struct fuse_copy_state *cs, size_t nbytes)
 {
 	int err;
-	size_t nbytes = iov_length(iov, nr_segs);
 	struct fuse_req *req;
 	struct fuse_out_header oh;
-	struct fuse_copy_state cs;
-	struct fuse_conn *fc = fuse_get_conn(iocb->ki_filp);
-	if (!fc)
-		return -EPERM;
 
-	fuse_copy_init(&cs, fc, 0, NULL, iov, nr_segs);
 	if (nbytes < sizeof(struct fuse_out_header))
 		return -EINVAL;
 
-	err = fuse_copy_one(&cs, &oh, sizeof(oh));
+	err = fuse_copy_one(cs, &oh, sizeof(oh));
 	if (err)
 		goto err_finish;
 
@@ -1013,7 +1034,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
 	 * and error contains notification code.
 	 */
 	if (!oh.unique) {
-		err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), &cs);
+		err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), cs);
 		return err ? err : nbytes;
 	}
 
@@ -1032,7 +1053,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
 
 	if (req->aborted) {
 		spin_unlock(&fc->lock);
-		fuse_copy_finish(&cs);
+		fuse_copy_finish(cs);
 		spin_lock(&fc->lock);
 		request_end(fc, req);
 		return -ENOENT;
@@ -1049,7 +1070,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
 			queue_interrupt(fc, req);
 
 		spin_unlock(&fc->lock);
-		fuse_copy_finish(&cs);
+		fuse_copy_finish(cs);
 		return nbytes;
 	}
 
@@ -1057,11 +1078,11 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
 	list_move(&req->list, &fc->io);
 	req->out.h = oh;
 	req->locked = 1;
-	cs.req = req;
+	cs->req = req;
 	spin_unlock(&fc->lock);
 
-	err = copy_out_args(&cs, &req->out, nbytes);
-	fuse_copy_finish(&cs);
+	err = copy_out_args(cs, &req->out, nbytes);
+	fuse_copy_finish(cs);
 
 	spin_lock(&fc->lock);
 	req->locked = 0;
@@ -1077,10 +1098,101 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
  err_unlock:
 	spin_unlock(&fc->lock);
  err_finish:
-	fuse_copy_finish(&cs);
+	fuse_copy_finish(cs);
 	return err;
 }
 
+static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
+			      unsigned long nr_segs, loff_t pos)
+{
+	struct fuse_copy_state cs;
+	struct fuse_conn *fc = fuse_get_conn(iocb->ki_filp);
+	if (!fc)
+		return -EPERM;
+
+	fuse_copy_init(&cs, fc, 0, NULL, iov, nr_segs);
+
+	return fuse_dev_do_write(fc, &cs, iov_length(iov, nr_segs));
+}
+
+static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
+				     struct file *out, loff_t *ppos,
+				     size_t len, unsigned int flags)
+{
+	unsigned nbuf;
+	unsigned idx;
+	struct pipe_buffer *bufs;
+	struct fuse_copy_state cs;
+	struct fuse_conn *fc;
+	size_t rem;
+	ssize_t ret;
+
+	fc = fuse_get_conn(out);
+	if (!fc)
+		return -EPERM;
+
+	bufs = kmalloc(pipe->buffers * sizeof (struct pipe_buffer), GFP_KERNEL);
+	if (!bufs)
+		return -ENOMEM;
+
+	pipe_lock(pipe);
+	nbuf = 0;
+	rem = 0;
+	for (idx = 0; idx < pipe->nrbufs && rem < len; idx++)
+		rem += pipe->bufs[(pipe->curbuf + idx) & (pipe->buffers - 1)].len;
+
+	ret = -EINVAL;
+	if (rem < len) {
+		pipe_unlock(pipe);
+		goto out;
+	}
+
+	rem = len;
+	while (rem) {
+		struct pipe_buffer *ibuf;
+		struct pipe_buffer *obuf;
+
+		BUG_ON(nbuf >= pipe->buffers);
+		BUG_ON(!pipe->nrbufs);
+		ibuf = &pipe->bufs[pipe->curbuf];
+		obuf = &bufs[nbuf];
+
+		if (rem >= ibuf->len) {
+			*obuf = *ibuf;
+			ibuf->ops = NULL;
+			pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1);
+			pipe->nrbufs--;
+		} else {
+			ibuf->ops->get(pipe, ibuf);
+			*obuf = *ibuf;
+			obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
+			obuf->len = rem;
+			ibuf->offset += obuf->len;
+			ibuf->len -= obuf->len;
+		}
+		nbuf++;
+		rem -= obuf->len;
+	}
+	pipe_unlock(pipe);
+
+	memset(&cs, 0, sizeof(struct fuse_copy_state));
+	cs.fc = fc;
+	cs.write = 0;
+	cs.pipebufs = bufs;
+	cs.nr_segs = nbuf;
+	cs.pipe = pipe;
+
+	ret = fuse_dev_do_write(fc, &cs, len);
+
+	for (idx = 0; idx < nbuf; idx++) {
+		struct pipe_buffer *buf = &bufs[idx];
+		buf->ops->release(pipe, buf);
+	}
+out:
+	kfree(bufs);
+	return ret;
+}
+
 static unsigned fuse_dev_poll(struct file *file, poll_table *wait)
 {
 	unsigned mask = POLLOUT | POLLWRNORM;
@@ -1224,6 +1336,7 @@ const struct file_operations fuse_dev_operations = {
 	.aio_read	= fuse_dev_read,
 	.write		= do_sync_write,
 	.aio_write	= fuse_dev_write,
+	.splice_write	= fuse_dev_splice_write,
 	.poll		= fuse_dev_poll,
 	.release	= fuse_dev_release,
 	.fasync		= fuse_dev_fasync,
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 3e2925a34bf..88e0eb59691 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -34,6 +34,9 @@
  * 7.13
  *  - make max number of background requests and congestion threshold
  *    tunables
+ *
+ * 7.14
+ *  - add splice support to fuse device
  */
 
 #ifndef _LINUX_FUSE_H
@@ -65,7 +68,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 13
+#define FUSE_KERNEL_MINOR_VERSION 14
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1

From 47846b0650f2f62fc4217cfb36efc94b8d919727 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 25 May 2010 15:06:06 +0200
Subject: [PATCH 2953/3638] mm: export lru_cache_add_*() to modules

This is needed to enable moving pages into the page cache in fuse with
splice(..., SPLICE_F_MOVE).

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 mm/swap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/swap.c b/mm/swap.c
index 7cd60bf0a97..3ce7bc373a5 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -224,6 +224,7 @@ void __lru_cache_add(struct page *page, enum lru_list lru)
 		____pagevec_lru_add(pvec, lru);
 	put_cpu_var(lru_add_pvecs);
 }
+EXPORT_SYMBOL(__lru_cache_add);
 
 /**
  * lru_cache_add_lru - add a page to a page list

From a52116aba5b3eed0ee41f70b794cc1937acd5cb8 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 25 May 2010 15:06:06 +0200
Subject: [PATCH 2954/3638] mm: export remove_from_page_cache() to modules

This is needed to enable moving pages into the page cache in fuse with
splice(..., SPLICE_F_MOVE).

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 mm/filemap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/filemap.c b/mm/filemap.c
index 140ebda9640..09a91a9a102 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -151,6 +151,7 @@ void remove_from_page_cache(struct page *page)
 	spin_unlock_irq(&mapping->tree_lock);
 	mem_cgroup_uncharge_cache_page(page);
 }
+EXPORT_SYMBOL(remove_from_page_cache);
 
 static int sync_page(void *word)
 {

From ce534fb052928ce556639d7ecf01cbf4e01321e1 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 25 May 2010 15:06:07 +0200
Subject: [PATCH 2955/3638] fuse: allow splice to move pages

When splicing buffers to the fuse device with SPLICE_F_MOVE, try to
move pages from the pipe buffer into the page cache.  This allows
populating the fuse filesystem's cache without ever touching the page
contents, i.e. zero copy read capability.

The following steps are performed when trying to move a page into the
page cache:

 - buf->ops->confirm() to make sure the new page is uptodate
 - buf->ops->steal() to try to remove the new page from it's previous place
 - remove_from_page_cache() on the old page
 - add_to_page_cache_locked() on the new page

If any of the above steps fail (non fatally) then the code falls back
to copying the page.  In particular ->steal() will fail if there are
external references (other than the page cache and the pipe buffer) to
the page.

Also since the remove_from_page_cache() + add_to_page_cache_locked()
are non-atomic it is possible that the page cache is repopulated in
between the two and add_to_page_cache_locked() will fail.  This could
be fixed by creating a new atomic replace_page_cache_page() function.

fuse_readpages_end() needed to be reworked so it works even if
page->mapping is NULL for some or all pages which can happen if the
add_to_page_cache_locked() failed.

A number of sanity checks were added to make sure the stolen pages
don't have weird flags set, etc...  These could be moved into generic
splice/steal code.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/dev.c    | 151 +++++++++++++++++++++++++++++++++++++++++++++--
 fs/fuse/file.c   |  28 ++++++---
 fs/fuse/fuse_i.h |   3 +
 3 files changed, 167 insertions(+), 15 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 2795045484e..b070d3adf9b 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -17,6 +17,8 @@
 #include <linux/file.h>
 #include <linux/slab.h>
 #include <linux/pipe_fs_i.h>
+#include <linux/swap.h>
+#include <linux/splice.h>
 
 MODULE_ALIAS_MISCDEV(FUSE_MINOR);
 
@@ -509,6 +511,7 @@ struct fuse_copy_state {
 	void *mapaddr;
 	void *buf;
 	unsigned len;
+	unsigned move_pages:1;
 };
 
 static void fuse_copy_init(struct fuse_copy_state *cs, struct fuse_conn *fc,
@@ -609,13 +612,135 @@ static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size)
 	return ncpy;
 }
 
+static int fuse_check_page(struct page *page)
+{
+	if (page_mapcount(page) ||
+	    page->mapping != NULL ||
+	    page_count(page) != 1 ||
+	    (page->flags & PAGE_FLAGS_CHECK_AT_PREP &
+	     ~(1 << PG_locked |
+	       1 << PG_referenced |
+	       1 << PG_uptodate |
+	       1 << PG_lru |
+	       1 << PG_active |
+	       1 << PG_reclaim))) {
+		printk(KERN_WARNING "fuse: trying to steal weird page\n");
+		printk(KERN_WARNING "  page=%p index=%li flags=%08lx, count=%i, mapcount=%i, mapping=%p\n", page, page->index, page->flags, page_count(page), page_mapcount(page), page->mapping);
+		return 1;
+	}
+	return 0;
+}
+
+static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
+{
+	int err;
+	struct page *oldpage = *pagep;
+	struct page *newpage;
+	struct pipe_buffer *buf = cs->pipebufs;
+	struct address_space *mapping;
+	pgoff_t index;
+
+	unlock_request(cs->fc, cs->req);
+	fuse_copy_finish(cs);
+
+	err = buf->ops->confirm(cs->pipe, buf);
+	if (err)
+		return err;
+
+	BUG_ON(!cs->nr_segs);
+	cs->currbuf = buf;
+	cs->len = buf->len;
+	cs->pipebufs++;
+	cs->nr_segs--;
+
+	if (cs->len != PAGE_SIZE)
+		goto out_fallback;
+
+	if (buf->ops->steal(cs->pipe, buf) != 0)
+		goto out_fallback;
+
+	newpage = buf->page;
+
+	if (WARN_ON(!PageUptodate(newpage)))
+		return -EIO;
+
+	ClearPageMappedToDisk(newpage);
+
+	if (fuse_check_page(newpage) != 0)
+		goto out_fallback_unlock;
+
+	mapping = oldpage->mapping;
+	index = oldpage->index;
+
+	/*
+	 * This is a new and locked page, it shouldn't be mapped or
+	 * have any special flags on it
+	 */
+	if (WARN_ON(page_mapped(oldpage)))
+		goto out_fallback_unlock;
+	if (WARN_ON(page_has_private(oldpage)))
+		goto out_fallback_unlock;
+	if (WARN_ON(PageDirty(oldpage) || PageWriteback(oldpage)))
+		goto out_fallback_unlock;
+	if (WARN_ON(PageMlocked(oldpage)))
+		goto out_fallback_unlock;
+
+	remove_from_page_cache(oldpage);
+	page_cache_release(oldpage);
+
+	err = add_to_page_cache_locked(newpage, mapping, index, GFP_KERNEL);
+	if (err) {
+		printk(KERN_WARNING "fuse_try_move_page: failed to add page");
+		goto out_fallback_unlock;
+	}
+	page_cache_get(newpage);
+
+	if (!(buf->flags & PIPE_BUF_FLAG_LRU))
+		lru_cache_add_file(newpage);
+
+	err = 0;
+	spin_lock(&cs->fc->lock);
+	if (cs->req->aborted)
+		err = -ENOENT;
+	else
+		*pagep = newpage;
+	spin_unlock(&cs->fc->lock);
+
+	if (err) {
+		unlock_page(newpage);
+		page_cache_release(newpage);
+		return err;
+	}
+
+	unlock_page(oldpage);
+	page_cache_release(oldpage);
+	cs->len = 0;
+
+	return 0;
+
+out_fallback_unlock:
+	unlock_page(newpage);
+out_fallback:
+	cs->mapaddr = buf->ops->map(cs->pipe, buf, 1);
+	cs->buf = cs->mapaddr + buf->offset;
+
+	err = lock_request(cs->fc, cs->req);
+	if (err)
+		return err;
+
+	return 1;
+}
+
 /*
  * Copy a page in the request to/from the userspace buffer.  Must be
  * done atomically
  */
-static int fuse_copy_page(struct fuse_copy_state *cs, struct page *page,
+static int fuse_copy_page(struct fuse_copy_state *cs, struct page **pagep,
 			  unsigned offset, unsigned count, int zeroing)
 {
+	int err;
+	struct page *page = *pagep;
+
 	if (page && zeroing && count < PAGE_SIZE) {
 		void *mapaddr = kmap_atomic(page, KM_USER1);
 		memset(mapaddr, 0, PAGE_SIZE);
@@ -623,9 +748,16 @@ static int fuse_copy_page(struct fuse_copy_state *cs, struct page *page,
 	}
 	while (count) {
 		if (!cs->len) {
-			int err = fuse_copy_fill(cs);
-			if (err)
-				return err;
+			if (cs->move_pages && page &&
+			    offset == 0 && count == PAGE_SIZE) {
+				err = fuse_try_move_page(cs, pagep);
+				if (err <= 0)
+					return err;
+			} else {
+				err = fuse_copy_fill(cs);
+				if (err)
+					return err;
+			}
 		}
 		if (page) {
 			void *mapaddr = kmap_atomic(page, KM_USER1);
@@ -650,8 +782,10 @@ static int fuse_copy_pages(struct fuse_copy_state *cs, unsigned nbytes,
 	unsigned count = min(nbytes, (unsigned) PAGE_SIZE - offset);
 
 	for (i = 0; i < req->num_pages && (nbytes || zeroing); i++) {
-		struct page *page = req->pages[i];
-		int err = fuse_copy_page(cs, page, offset, count, zeroing);
+		int err;
+
+		err = fuse_copy_page(cs, &req->pages[i], offset, count,
+				     zeroing);
 		if (err)
 			return err;
 
@@ -1079,6 +1213,8 @@ static ssize_t fuse_dev_do_write(struct fuse_conn *fc,
 	req->out.h = oh;
 	req->locked = 1;
 	cs->req = req;
+	if (!req->out.page_replace)
+		cs->move_pages = 0;
 	spin_unlock(&fc->lock);
 
 	err = copy_out_args(cs, &req->out, nbytes);
@@ -1182,6 +1318,9 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
 	cs.nr_segs = nbuf;
 	cs.pipe = pipe;
 
+	if (flags & SPLICE_F_MOVE)
+		cs.move_pages = 1;
+
 	ret = fuse_dev_do_write(fc, &cs, len);
 
 	for (idx = 0; idx < nbuf; idx++) {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 9ca68edcbdb..06e3775b228 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -517,18 +517,27 @@ static void fuse_readpages_end(struct fuse_conn *fc, struct fuse_req *req)
 	int i;
 	size_t count = req->misc.read.in.size;
 	size_t num_read = req->out.args[0].size;
-	struct inode *inode = req->pages[0]->mapping->host;
+	struct address_space *mapping = NULL;
 
-	/*
-	 * Short read means EOF.  If file size is larger, truncate it
-	 */
-	if (!req->out.h.error && num_read < count) {
-		loff_t pos = page_offset(req->pages[0]) + num_read;
-		fuse_read_update_size(inode, pos, req->misc.read.attr_ver);
+	for (i = 0; mapping == NULL && i < req->num_pages; i++)
+		mapping = req->pages[i]->mapping;
+
+	if (mapping) {
+		struct inode *inode = mapping->host;
+
+		/*
+		 * Short read means EOF. If file size is larger, truncate it
+		 */
+		if (!req->out.h.error && num_read < count) {
+			loff_t pos;
+
+			pos = page_offset(req->pages[0]) + num_read;
+			fuse_read_update_size(inode, pos,
+					      req->misc.read.attr_ver);
+		}
+		fuse_invalidate_attr(inode); /* atime changed */
 	}
 
-	fuse_invalidate_attr(inode); /* atime changed */
-
 	for (i = 0; i < req->num_pages; i++) {
 		struct page *page = req->pages[i];
 		if (!req->out.h.error)
@@ -551,6 +560,7 @@ static void fuse_send_readpages(struct fuse_req *req, struct file *file)
 
 	req->out.argpages = 1;
 	req->out.page_zeroing = 1;
+	req->out.page_replace = 1;
 	fuse_read_fill(req, file, pos, count, FUSE_READ);
 	req->misc.read.attr_ver = fuse_get_attr_version(fc);
 	if (fc->async_read) {
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 01cc462ff45..9d0a51852d8 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -177,6 +177,9 @@ struct fuse_out {
 	/** Zero partially or not copied pages */
 	unsigned page_zeroing:1;
 
+	/** Pages may be replaced with new ones */
+	unsigned page_replace:1;
+
 	/** Number or arguments */
 	unsigned numargs;
 

From c3021629a0d820247ee12b6c5192a1d5380e21c6 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 25 May 2010 15:06:07 +0200
Subject: [PATCH 2956/3638] fuse: support splice() reading from fuse device

Allow userspace filesystem implementation to use splice() to read from
the fuse device.

The userspace filesystem can now transfer data coming from a WRITE
request to an arbitrary file descriptor (regular file, block device or
socket) without having to go through a userspace buffer.

The semantics of using splice() to read messages are:

 1)  with a single splice() call move the whole message from the fuse
     device to a temporary pipe
 2)  read the header from the pipe and determine the message type
 3a) if message is a WRITE then splice data from pipe to destination
 3b) else read rest of message to userspace buffer

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/dev.c | 228 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 187 insertions(+), 41 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index b070d3adf9b..4413f5e7b13 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -515,13 +515,12 @@ struct fuse_copy_state {
 };
 
 static void fuse_copy_init(struct fuse_copy_state *cs, struct fuse_conn *fc,
-			   int write, struct fuse_req *req,
+			   int write,
 			   const struct iovec *iov, unsigned long nr_segs)
 {
 	memset(cs, 0, sizeof(*cs));
 	cs->fc = fc;
 	cs->write = write;
-	cs->req = req;
 	cs->iov = iov;
 	cs->nr_segs = nr_segs;
 }
@@ -532,8 +531,12 @@ static void fuse_copy_finish(struct fuse_copy_state *cs)
 	if (cs->currbuf) {
 		struct pipe_buffer *buf = cs->currbuf;
 
-		buf->ops->unmap(cs->pipe, buf, cs->mapaddr);
-
+		if (!cs->write) {
+			buf->ops->unmap(cs->pipe, buf, cs->mapaddr);
+		} else {
+			kunmap_atomic(cs->mapaddr, KM_USER0);
+			buf->len = PAGE_SIZE - cs->len;
+		}
 		cs->currbuf = NULL;
 		cs->mapaddr = NULL;
 	} else if (cs->mapaddr) {
@@ -561,17 +564,39 @@ static int fuse_copy_fill(struct fuse_copy_state *cs)
 	if (cs->pipebufs) {
 		struct pipe_buffer *buf = cs->pipebufs;
 
-		err = buf->ops->confirm(cs->pipe, buf);
-		if (err)
-			return err;
+		if (!cs->write) {
+			err = buf->ops->confirm(cs->pipe, buf);
+			if (err)
+				return err;
 
-		BUG_ON(!cs->nr_segs);
-		cs->currbuf = buf;
-		cs->mapaddr = buf->ops->map(cs->pipe, buf, 1);
-		cs->len = buf->len;
-		cs->buf = cs->mapaddr + buf->offset;
-		cs->pipebufs++;
-		cs->nr_segs--;
+			BUG_ON(!cs->nr_segs);
+			cs->currbuf = buf;
+			cs->mapaddr = buf->ops->map(cs->pipe, buf, 1);
+			cs->len = buf->len;
+			cs->buf = cs->mapaddr + buf->offset;
+			cs->pipebufs++;
+			cs->nr_segs--;
+		} else {
+			struct page *page;
+
+			if (cs->nr_segs == cs->pipe->buffers)
+				return -EIO;
+
+			page = alloc_page(GFP_HIGHUSER);
+			if (!page)
+				return -ENOMEM;
+
+			buf->page = page;
+			buf->offset = 0;
+			buf->len = 0;
+
+			cs->currbuf = buf;
+			cs->mapaddr = kmap_atomic(page, KM_USER0);
+			cs->buf = cs->mapaddr;
+			cs->len = PAGE_SIZE;
+			cs->pipebufs++;
+			cs->nr_segs++;
+		}
 	} else {
 		if (!cs->seglen) {
 			BUG_ON(!cs->nr_segs);
@@ -731,6 +756,30 @@ out_fallback:
 	return 1;
 }
 
+static int fuse_ref_page(struct fuse_copy_state *cs, struct page *page,
+			 unsigned offset, unsigned count)
+{
+	struct pipe_buffer *buf;
+
+	if (cs->nr_segs == cs->pipe->buffers)
+		return -EIO;
+
+	unlock_request(cs->fc, cs->req);
+	fuse_copy_finish(cs);
+
+	buf = cs->pipebufs;
+	page_cache_get(page);
+	buf->page = page;
+	buf->offset = offset;
+	buf->len = count;
+
+	cs->pipebufs++;
+	cs->nr_segs++;
+	cs->len = 0;
+
+	return 0;
+}
+
 /*
  * Copy a page in the request to/from the userspace buffer.  Must be
  * done atomically
@@ -747,7 +796,9 @@ static int fuse_copy_page(struct fuse_copy_state *cs, struct page **pagep,
 		kunmap_atomic(mapaddr, KM_USER1);
 	}
 	while (count) {
-		if (!cs->len) {
+		if (cs->write && cs->pipebufs && page) {
+			return fuse_ref_page(cs, page, offset, count);
+		} else if (!cs->len) {
 			if (cs->move_pages && page &&
 			    offset == 0 && count == PAGE_SIZE) {
 				err = fuse_try_move_page(cs, pagep);
@@ -862,11 +913,10 @@ __acquires(&fc->lock)
  *
  * Called with fc->lock held, releases it
  */
-static int fuse_read_interrupt(struct fuse_conn *fc, struct fuse_req *req,
-			       const struct iovec *iov, unsigned long nr_segs)
+static int fuse_read_interrupt(struct fuse_conn *fc, struct fuse_copy_state *cs,
+			       size_t nbytes, struct fuse_req *req)
 __releases(&fc->lock)
 {
-	struct fuse_copy_state cs;
 	struct fuse_in_header ih;
 	struct fuse_interrupt_in arg;
 	unsigned reqsize = sizeof(ih) + sizeof(arg);
@@ -882,14 +932,13 @@ __releases(&fc->lock)
 	arg.unique = req->in.h.unique;
 
 	spin_unlock(&fc->lock);
-	if (iov_length(iov, nr_segs) < reqsize)
+	if (nbytes < reqsize)
 		return -EINVAL;
 
-	fuse_copy_init(&cs, fc, 1, NULL, iov, nr_segs);
-	err = fuse_copy_one(&cs, &ih, sizeof(ih));
+	err = fuse_copy_one(cs, &ih, sizeof(ih));
 	if (!err)
-		err = fuse_copy_one(&cs, &arg, sizeof(arg));
-	fuse_copy_finish(&cs);
+		err = fuse_copy_one(cs, &arg, sizeof(arg));
+	fuse_copy_finish(cs);
 
 	return err ? err : reqsize;
 }
@@ -903,18 +952,13 @@ __releases(&fc->lock)
  * request_end().  Otherwise add it to the processing list, and set
  * the 'sent' flag.
  */
-static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov,
-			      unsigned long nr_segs, loff_t pos)
+static ssize_t fuse_dev_do_read(struct fuse_conn *fc, struct file *file,
+				struct fuse_copy_state *cs, size_t nbytes)
 {
 	int err;
 	struct fuse_req *req;
 	struct fuse_in *in;
-	struct fuse_copy_state cs;
 	unsigned reqsize;
-	struct file *file = iocb->ki_filp;
-	struct fuse_conn *fc = fuse_get_conn(file);
-	if (!fc)
-		return -EPERM;
 
  restart:
 	spin_lock(&fc->lock);
@@ -934,7 +978,7 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov,
 	if (!list_empty(&fc->interrupts)) {
 		req = list_entry(fc->interrupts.next, struct fuse_req,
 				 intr_entry);
-		return fuse_read_interrupt(fc, req, iov, nr_segs);
+		return fuse_read_interrupt(fc, cs, nbytes, req);
 	}
 
 	req = list_entry(fc->pending.next, struct fuse_req, list);
@@ -944,7 +988,7 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov,
 	in = &req->in;
 	reqsize = in->h.len;
 	/* If request is too large, reply with an error and restart the read */
-	if (iov_length(iov, nr_segs) < reqsize) {
+	if (nbytes < reqsize) {
 		req->out.h.error = -EIO;
 		/* SETXATTR is special, since it may contain too large data */
 		if (in->h.opcode == FUSE_SETXATTR)
@@ -953,12 +997,12 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov,
 		goto restart;
 	}
 	spin_unlock(&fc->lock);
-	fuse_copy_init(&cs, fc, 1, req, iov, nr_segs);
-	err = fuse_copy_one(&cs, &in->h, sizeof(in->h));
+	cs->req = req;
+	err = fuse_copy_one(cs, &in->h, sizeof(in->h));
 	if (!err)
-		err = fuse_copy_args(&cs, in->numargs, in->argpages,
+		err = fuse_copy_args(cs, in->numargs, in->argpages,
 				     (struct fuse_arg *) in->args, 0);
-	fuse_copy_finish(&cs);
+	fuse_copy_finish(cs);
 	spin_lock(&fc->lock);
 	req->locked = 0;
 	if (req->aborted) {
@@ -986,6 +1030,110 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov,
 	return err;
 }
 
+static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov,
+			      unsigned long nr_segs, loff_t pos)
+{
+	struct fuse_copy_state cs;
+	struct file *file = iocb->ki_filp;
+	struct fuse_conn *fc = fuse_get_conn(file);
+	if (!fc)
+		return -EPERM;
+
+	fuse_copy_init(&cs, fc, 1, iov, nr_segs);
+
+	return fuse_dev_do_read(fc, file, &cs, iov_length(iov, nr_segs));
+}
+
+static int fuse_dev_pipe_buf_steal(struct pipe_inode_info *pipe,
+				   struct pipe_buffer *buf)
+{
+	return 1;
+}
+
+static const struct pipe_buf_operations fuse_dev_pipe_buf_ops = {
+	.can_merge = 0,
+	.map = generic_pipe_buf_map,
+	.unmap = generic_pipe_buf_unmap,
+	.confirm = generic_pipe_buf_confirm,
+	.release = generic_pipe_buf_release,
+	.steal = fuse_dev_pipe_buf_steal,
+	.get = generic_pipe_buf_get,
+};
+
+static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos,
+				    struct pipe_inode_info *pipe,
+				    size_t len, unsigned int flags)
+{
+	int ret;
+	int page_nr = 0;
+	int do_wakeup = 0;
+	struct pipe_buffer *bufs;
+	struct fuse_copy_state cs;
+	struct fuse_conn *fc = fuse_get_conn(in);
+	if (!fc)
+		return -EPERM;
+
+	bufs = kmalloc(pipe->buffers * sizeof (struct pipe_buffer), GFP_KERNEL);
+	if (!bufs)
+		return -ENOMEM;
+
+	fuse_copy_init(&cs, fc, 1, NULL, 0);
+	cs.pipebufs = bufs;
+	cs.pipe = pipe;
+	ret = fuse_dev_do_read(fc, in, &cs, len);
+	if (ret < 0)
+		goto out;
+
+	ret = 0;
+	pipe_lock(pipe);
+
+	if (!pipe->readers) {
+		send_sig(SIGPIPE, current, 0);
+		if (!ret)
+			ret = -EPIPE;
+		goto out_unlock;
+	}
+
+	if (pipe->nrbufs + cs.nr_segs > pipe->buffers) {
+		ret = -EIO;
+		goto out_unlock;
+	}
+
+	while (page_nr < cs.nr_segs) {
+		int newbuf = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1);
+		struct pipe_buffer *buf = pipe->bufs + newbuf;
+
+		buf->page = bufs[page_nr].page;
+		buf->offset = bufs[page_nr].offset;
+		buf->len = bufs[page_nr].len;
+		buf->ops = &fuse_dev_pipe_buf_ops;
+
+		pipe->nrbufs++;
+		page_nr++;
+		ret += buf->len;
+
+		if (pipe->inode)
+			do_wakeup = 1;
+	}
+
+out_unlock:
+	pipe_unlock(pipe);
+
+	if (do_wakeup) {
+		smp_mb();
+		if (waitqueue_active(&pipe->wait))
+			wake_up_interruptible(&pipe->wait);
+		kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
+	}
+
+out:
+	for (; page_nr < cs.nr_segs; page_nr++)
+		page_cache_release(bufs[page_nr].page);
+
+	kfree(bufs);
+	return ret;
+}
+
 static int fuse_notify_poll(struct fuse_conn *fc, unsigned int size,
 			    struct fuse_copy_state *cs)
 {
@@ -1246,7 +1394,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
 	if (!fc)
 		return -EPERM;
 
-	fuse_copy_init(&cs, fc, 0, NULL, iov, nr_segs);
+	fuse_copy_init(&cs, fc, 0, iov, nr_segs);
 
 	return fuse_dev_do_write(fc, &cs, iov_length(iov, nr_segs));
 }
@@ -1311,11 +1459,8 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
 	}
 	pipe_unlock(pipe);
 
-	memset(&cs, 0, sizeof(struct fuse_copy_state));
-	cs.fc = fc;
-	cs.write = 0;
+	fuse_copy_init(&cs, fc, 0, NULL, nbuf);
 	cs.pipebufs = bufs;
-	cs.nr_segs = nbuf;
 	cs.pipe = pipe;
 
 	if (flags & SPLICE_F_MOVE)
@@ -1473,6 +1618,7 @@ const struct file_operations fuse_dev_operations = {
 	.llseek		= no_llseek,
 	.read		= do_sync_read,
 	.aio_read	= fuse_dev_read,
+	.splice_read	= fuse_dev_splice_read,
 	.write		= do_sync_write,
 	.aio_write	= fuse_dev_write,
 	.splice_write	= fuse_dev_splice_write,

From 49c177461bfbedeccbab22bf3905db2f9da7f1c3 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Tue, 25 May 2010 06:19:35 -0700
Subject: [PATCH 2957/3638] tracing: Add __used annotation to event variable

The TRACE_EVENT() macros automate creation of trace events. To automate
initialization, the set up variables are loaded in a special section
that is read on boot up. GCC is not aware that these static variables
are used and will complain about them if we do not inform GCC that
they are indeed used.

One of the declarations of the event element was missing a __used
annotation. This patch adds it.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/trace/ftrace.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 0152b8673bd..34bead70d17 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -68,7 +68,7 @@
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, name, proto, args)	\
-	static struct ftrace_event_call			\
+	static struct ftrace_event_call	__used		\
 	__attribute__((__aligned__(4))) event_##name
 
 #undef DEFINE_EVENT_PRINT

From b742bb82f1676d50103ade0ba89bfb79debabe73 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:46:24 -0400
Subject: [PATCH 2958/3638] Btrfs: Link block groups of different raid types

The size of reserved space is stored in space_info. If block groups
of different raid types are linked to separate space_info, changing
allocation profile will corrupt reserved space accounting.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.h       |   7 +-
 fs/btrfs/extent-tree.c | 145 +++++++++++++++++++++++++++++++----------
 fs/btrfs/super.c       |  22 +------
 3 files changed, 120 insertions(+), 54 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 746a7248678..6132088a577 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -663,6 +663,7 @@ struct btrfs_csum_item {
 #define BTRFS_BLOCK_GROUP_RAID1    (1 << 4)
 #define BTRFS_BLOCK_GROUP_DUP	   (1 << 5)
 #define BTRFS_BLOCK_GROUP_RAID10   (1 << 6)
+#define BTRFS_NR_RAID_TYPES	   5
 
 struct btrfs_block_group_item {
 	__le64 used;
@@ -674,7 +675,8 @@ struct btrfs_space_info {
 	u64 flags;
 
 	u64 total_bytes;	/* total bytes in the space */
-	u64 bytes_used;		/* total bytes used on disk */
+	u64 bytes_used;		/* total bytes used,
+				   this does't take mirrors into account */
 	u64 bytes_pinned;	/* total bytes pinned, will be freed when the
 				   transaction finishes */
 	u64 bytes_reserved;	/* total bytes the allocator has reserved for
@@ -687,6 +689,7 @@ struct btrfs_space_info {
 				   delalloc/allocations */
 	u64 bytes_delalloc;	/* number of bytes currently reserved for
 				   delayed allocation */
+	u64 disk_used;		/* total bytes used on disk */
 
 	int full;		/* indicates that we cannot allocate any more
 				   chunks for this space */
@@ -704,7 +707,7 @@ struct btrfs_space_info {
 	int flushing;
 
 	/* for block groups in our same type */
-	struct list_head block_groups;
+	struct list_head block_groups[BTRFS_NR_RAID_TYPES];
 	spinlock_t lock;
 	struct rw_semaphore groups_sem;
 	atomic_t caching_threads;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b34d32fdaae..f5db03669ea 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -507,6 +507,9 @@ static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info,
 	struct list_head *head = &info->space_info;
 	struct btrfs_space_info *found;
 
+	flags &= BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_SYSTEM |
+		 BTRFS_BLOCK_GROUP_METADATA;
+
 	rcu_read_lock();
 	list_for_each_entry_rcu(found, head, list) {
 		if (found->flags == flags) {
@@ -2660,12 +2663,21 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags,
 			     struct btrfs_space_info **space_info)
 {
 	struct btrfs_space_info *found;
+	int i;
+	int factor;
+
+	if (flags & (BTRFS_BLOCK_GROUP_DUP | BTRFS_BLOCK_GROUP_RAID1 |
+		     BTRFS_BLOCK_GROUP_RAID10))
+		factor = 2;
+	else
+		factor = 1;
 
 	found = __find_space_info(info, flags);
 	if (found) {
 		spin_lock(&found->lock);
 		found->total_bytes += total_bytes;
 		found->bytes_used += bytes_used;
+		found->disk_used += bytes_used * factor;
 		found->full = 0;
 		spin_unlock(&found->lock);
 		*space_info = found;
@@ -2675,14 +2687,18 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags,
 	if (!found)
 		return -ENOMEM;
 
-	INIT_LIST_HEAD(&found->block_groups);
+	for (i = 0; i < BTRFS_NR_RAID_TYPES; i++)
+		INIT_LIST_HEAD(&found->block_groups[i]);
 	init_rwsem(&found->groups_sem);
 	init_waitqueue_head(&found->flush_wait);
 	init_waitqueue_head(&found->allocate_wait);
 	spin_lock_init(&found->lock);
-	found->flags = flags;
+	found->flags = flags & (BTRFS_BLOCK_GROUP_DATA |
+				BTRFS_BLOCK_GROUP_SYSTEM |
+				BTRFS_BLOCK_GROUP_METADATA);
 	found->total_bytes = total_bytes;
 	found->bytes_used = bytes_used;
+	found->disk_used = bytes_used * factor;
 	found->bytes_pinned = 0;
 	found->bytes_reserved = 0;
 	found->bytes_readonly = 0;
@@ -2752,26 +2768,32 @@ u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags)
 	return flags;
 }
 
-static u64 btrfs_get_alloc_profile(struct btrfs_root *root, u64 data)
+static u64 get_alloc_profile(struct btrfs_root *root, u64 flags)
 {
-	struct btrfs_fs_info *info = root->fs_info;
-	u64 alloc_profile;
+	if (flags & BTRFS_BLOCK_GROUP_DATA)
+		flags |= root->fs_info->avail_data_alloc_bits &
+			 root->fs_info->data_alloc_profile;
+	else if (flags & BTRFS_BLOCK_GROUP_SYSTEM)
+		flags |= root->fs_info->avail_system_alloc_bits &
+			 root->fs_info->system_alloc_profile;
+	else if (flags & BTRFS_BLOCK_GROUP_METADATA)
+		flags |= root->fs_info->avail_metadata_alloc_bits &
+			 root->fs_info->metadata_alloc_profile;
+	return btrfs_reduce_alloc_profile(root, flags);
+}
 
-	if (data) {
-		alloc_profile = info->avail_data_alloc_bits &
-			info->data_alloc_profile;
-		data = BTRFS_BLOCK_GROUP_DATA | alloc_profile;
-	} else if (root == root->fs_info->chunk_root) {
-		alloc_profile = info->avail_system_alloc_bits &
-			info->system_alloc_profile;
-		data = BTRFS_BLOCK_GROUP_SYSTEM | alloc_profile;
-	} else {
-		alloc_profile = info->avail_metadata_alloc_bits &
-			info->metadata_alloc_profile;
-		data = BTRFS_BLOCK_GROUP_METADATA | alloc_profile;
-	}
+static u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data)
+{
+	u64 flags;
 
-	return btrfs_reduce_alloc_profile(root, data);
+	if (data)
+		flags = BTRFS_BLOCK_GROUP_DATA;
+	else if (root == root->fs_info->chunk_root)
+		flags = BTRFS_BLOCK_GROUP_SYSTEM;
+	else
+		flags = BTRFS_BLOCK_GROUP_METADATA;
+
+	return get_alloc_profile(root, flags);
 }
 
 void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *inode)
@@ -3468,6 +3490,7 @@ static int update_block_group(struct btrfs_trans_handle *trans,
 {
 	struct btrfs_block_group_cache *cache;
 	struct btrfs_fs_info *info = root->fs_info;
+	int factor;
 	u64 total = num_bytes;
 	u64 old_val;
 	u64 byte_in_group;
@@ -3486,6 +3509,12 @@ static int update_block_group(struct btrfs_trans_handle *trans,
 		cache = btrfs_lookup_block_group(info, bytenr);
 		if (!cache)
 			return -1;
+		if (cache->flags & (BTRFS_BLOCK_GROUP_DUP |
+				    BTRFS_BLOCK_GROUP_RAID1 |
+				    BTRFS_BLOCK_GROUP_RAID10))
+			factor = 2;
+		else
+			factor = 1;
 		byte_in_group = bytenr - cache->key.objectid;
 		WARN_ON(byte_in_group > cache->key.offset);
 
@@ -3498,18 +3527,20 @@ static int update_block_group(struct btrfs_trans_handle *trans,
 			old_val += num_bytes;
 			btrfs_set_block_group_used(&cache->item, old_val);
 			cache->reserved -= num_bytes;
-			cache->space_info->bytes_used += num_bytes;
 			cache->space_info->bytes_reserved -= num_bytes;
+			cache->space_info->bytes_used += num_bytes;
+			cache->space_info->disk_used += num_bytes * factor;
 			if (cache->ro)
 				cache->space_info->bytes_readonly -= num_bytes;
 			spin_unlock(&cache->lock);
 			spin_unlock(&cache->space_info->lock);
 		} else {
 			old_val -= num_bytes;
+			btrfs_set_block_group_used(&cache->item, old_val);
 			cache->space_info->bytes_used -= num_bytes;
+			cache->space_info->disk_used -= num_bytes * factor;
 			if (cache->ro)
 				cache->space_info->bytes_readonly += num_bytes;
-			btrfs_set_block_group_used(&cache->item, old_val);
 			spin_unlock(&cache->lock);
 			spin_unlock(&cache->space_info->lock);
 			if (mark_free) {
@@ -4134,6 +4165,22 @@ wait_block_group_cache_done(struct btrfs_block_group_cache *cache)
 	return 0;
 }
 
+static int get_block_group_index(struct btrfs_block_group_cache *cache)
+{
+	int index;
+	if (cache->flags & BTRFS_BLOCK_GROUP_RAID10)
+		index = 0;
+	else if (cache->flags & BTRFS_BLOCK_GROUP_RAID1)
+		index = 1;
+	else if (cache->flags & BTRFS_BLOCK_GROUP_DUP)
+		index = 2;
+	else if (cache->flags & BTRFS_BLOCK_GROUP_RAID0)
+		index = 3;
+	else
+		index = 4;
+	return index;
+}
+
 enum btrfs_loop_type {
 	LOOP_FIND_IDEAL = 0,
 	LOOP_CACHING_NOWAIT = 1,
@@ -4167,6 +4214,7 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
 	int done_chunk_alloc = 0;
 	struct btrfs_space_info *space_info;
 	int last_ptr_loop = 0;
+	int index = 0;
 	int loop = 0;
 	bool found_uncached_bg = false;
 	bool failed_cluster_refill = false;
@@ -4237,6 +4285,7 @@ ideal_cache:
 				btrfs_put_block_group(block_group);
 				up_read(&space_info->groups_sem);
 			} else {
+				index = get_block_group_index(block_group);
 				goto have_block_group;
 			}
 		} else if (block_group) {
@@ -4245,7 +4294,8 @@ ideal_cache:
 	}
 search:
 	down_read(&space_info->groups_sem);
-	list_for_each_entry(block_group, &space_info->block_groups, list) {
+	list_for_each_entry(block_group, &space_info->block_groups[index],
+			    list) {
 		u64 offset;
 		int cached;
 
@@ -4468,10 +4518,14 @@ checks:
 loop:
 		failed_cluster_refill = false;
 		failed_alloc = false;
+		BUG_ON(index != get_block_group_index(block_group));
 		btrfs_put_block_group(block_group);
 	}
 	up_read(&space_info->groups_sem);
 
+	if (!ins->objectid && ++index < BTRFS_NR_RAID_TYPES)
+		goto search;
+
 	/* LOOP_FIND_IDEAL, only search caching/cached bg's, and don't wait for
 	 *			for them to make caching progress.  Also
 	 *			determine the best possible bg to cache
@@ -4485,6 +4539,7 @@ loop:
 	if (!ins->objectid && loop < LOOP_NO_EMPTY_SIZE &&
 	    (found_uncached_bg || empty_size || empty_cluster ||
 	     allowed_chunk_alloc)) {
+		index = 0;
 		if (loop == LOOP_FIND_IDEAL && found_uncached_bg) {
 			found_uncached_bg = false;
 			loop++;
@@ -4567,6 +4622,7 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 			    int dump_block_groups)
 {
 	struct btrfs_block_group_cache *cache;
+	int index = 0;
 
 	spin_lock(&info->lock);
 	printk(KERN_INFO "space_info has %llu free, is %sfull\n",
@@ -4591,7 +4647,8 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 		return;
 
 	down_read(&info->groups_sem);
-	list_for_each_entry(cache, &info->block_groups, list) {
+again:
+	list_for_each_entry(cache, &info->block_groups[index], list) {
 		spin_lock(&cache->lock);
 		printk(KERN_INFO "block group %llu has %llu bytes, %llu used "
 		       "%llu pinned %llu reserved\n",
@@ -4603,6 +4660,8 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 		btrfs_dump_free_space(cache, bytes);
 		spin_unlock(&cache->lock);
 	}
+	if (++index < BTRFS_NR_RAID_TYPES)
+		goto again;
 	up_read(&info->groups_sem);
 }
 
@@ -7447,6 +7506,16 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
 	return 0;
 }
 
+static void __link_block_group(struct btrfs_space_info *space_info,
+			       struct btrfs_block_group_cache *cache)
+{
+	int index = get_block_group_index(cache);
+
+	down_write(&space_info->groups_sem);
+	list_add_tail(&cache->list, &space_info->block_groups[index]);
+	up_write(&space_info->groups_sem);
+}
+
 int btrfs_read_block_groups(struct btrfs_root *root)
 {
 	struct btrfs_path *path;
@@ -7468,10 +7537,8 @@ int btrfs_read_block_groups(struct btrfs_root *root)
 
 	while (1) {
 		ret = find_first_block_group(root, path, &key);
-		if (ret > 0) {
-			ret = 0;
-			goto error;
-		}
+		if (ret > 0)
+			break;
 		if (ret != 0)
 			goto error;
 
@@ -7540,9 +7607,7 @@ int btrfs_read_block_groups(struct btrfs_root *root)
 		cache->space_info->bytes_super += cache->bytes_super;
 		spin_unlock(&cache->space_info->lock);
 
-		down_write(&space_info->groups_sem);
-		list_add_tail(&cache->list, &space_info->block_groups);
-		up_write(&space_info->groups_sem);
+		__link_block_group(space_info, cache);
 
 		ret = btrfs_add_block_group_cache(root->fs_info, cache);
 		BUG_ON(ret);
@@ -7551,6 +7616,22 @@ int btrfs_read_block_groups(struct btrfs_root *root)
 		if (btrfs_chunk_readonly(root, cache->key.objectid))
 			set_block_group_readonly(cache);
 	}
+
+	list_for_each_entry_rcu(space_info, &root->fs_info->space_info, list) {
+		if (!(get_alloc_profile(root, space_info->flags) &
+		      (BTRFS_BLOCK_GROUP_RAID10 |
+		       BTRFS_BLOCK_GROUP_RAID1 |
+		       BTRFS_BLOCK_GROUP_DUP)))
+			continue;
+		/*
+		 * avoid allocating from un-mirrored block group if there are
+		 * mirrored block groups.
+		 */
+		list_for_each_entry(cache, &space_info->block_groups[3], list)
+			set_block_group_readonly(cache);
+		list_for_each_entry(cache, &space_info->block_groups[4], list)
+			set_block_group_readonly(cache);
+	}
 	ret = 0;
 error:
 	btrfs_free_path(path);
@@ -7614,9 +7695,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans,
 	cache->space_info->bytes_super += cache->bytes_super;
 	spin_unlock(&cache->space_info->lock);
 
-	down_write(&cache->space_info->groups_sem);
-	list_add_tail(&cache->list, &cache->space_info->block_groups);
-	up_write(&cache->space_info->groups_sem);
+	__link_block_group(cache->space_info, cache);
 
 	ret = btrfs_add_block_group_cache(root->fs_info, cache);
 	BUG_ON(ret);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 1866dff0538..55265c24ab9 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -714,34 +714,18 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	struct list_head *head = &root->fs_info->space_info;
 	struct btrfs_space_info *found;
 	u64 total_used = 0;
-	u64 data_used = 0;
 	int bits = dentry->d_sb->s_blocksize_bits;
 	__be32 *fsid = (__be32 *)root->fs_info->fsid;
 
 	rcu_read_lock();
-	list_for_each_entry_rcu(found, head, list) {
-		if (found->flags & (BTRFS_BLOCK_GROUP_DUP|
-				    BTRFS_BLOCK_GROUP_RAID10|
-				    BTRFS_BLOCK_GROUP_RAID1)) {
-			total_used += found->bytes_used;
-			if (found->flags & BTRFS_BLOCK_GROUP_DATA)
-				data_used += found->bytes_used;
-			else
-				data_used += found->total_bytes;
-		}
-
-		total_used += found->bytes_used;
-		if (found->flags & BTRFS_BLOCK_GROUP_DATA)
-			data_used += found->bytes_used;
-		else
-			data_used += found->total_bytes;
-	}
+	list_for_each_entry_rcu(found, head, list)
+		total_used += found->disk_used;
 	rcu_read_unlock();
 
 	buf->f_namelen = BTRFS_NAME_LEN;
 	buf->f_blocks = btrfs_super_total_bytes(disk_super) >> bits;
 	buf->f_bfree = buf->f_blocks - (total_used >> bits);
-	buf->f_bavail = buf->f_blocks - (data_used >> bits);
+	buf->f_bavail = buf->f_bfree;
 	buf->f_bsize = dentry->d_sb->s_blocksize;
 	buf->f_type = BTRFS_SUPER_MAGIC;
 

From 424499dbd0c4d88742bf581b5714b27fb44b9fef Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:46:25 -0400
Subject: [PATCH 2959/3638] Btrfs: Kill allocate_wait in space_info

We already have fs_info->chunk_mutex to avoid concurrent
chunk creation.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.h       |   2 -
 fs/btrfs/extent-tree.c | 132 ++++++++++++++++++-----------------------
 2 files changed, 58 insertions(+), 76 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6132088a577..a68f34603b9 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -701,9 +701,7 @@ struct btrfs_space_info {
 	struct list_head list;
 
 	/* for controlling how we free up space for allocations */
-	wait_queue_head_t allocate_wait;
 	wait_queue_head_t flush_wait;
-	int allocating_chunk;
 	int flushing;
 
 	/* for block groups in our same type */
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index f5db03669ea..2c95507c9ab 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -71,6 +71,9 @@ static int find_next_key(struct btrfs_path *path, int level,
 			 struct btrfs_key *key);
 static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 			    int dump_block_groups);
+static int maybe_allocate_chunk(struct btrfs_trans_handle *trans,
+				struct btrfs_root *root,
+				struct btrfs_space_info *sinfo, u64 num_bytes);
 
 static noinline int
 block_group_cache_done(struct btrfs_block_group_cache *cache)
@@ -2691,7 +2694,6 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags,
 		INIT_LIST_HEAD(&found->block_groups[i]);
 	init_rwsem(&found->groups_sem);
 	init_waitqueue_head(&found->flush_wait);
-	init_waitqueue_head(&found->allocate_wait);
 	spin_lock_init(&found->lock);
 	found->flags = flags & (BTRFS_BLOCK_GROUP_DATA |
 				BTRFS_BLOCK_GROUP_SYSTEM |
@@ -3004,71 +3006,6 @@ flush:
 	wake_up(&info->flush_wait);
 }
 
-static int maybe_allocate_chunk(struct btrfs_root *root,
-				 struct btrfs_space_info *info)
-{
-	struct btrfs_super_block *disk_super = &root->fs_info->super_copy;
-	struct btrfs_trans_handle *trans;
-	bool wait = false;
-	int ret = 0;
-	u64 min_metadata;
-	u64 free_space;
-
-	free_space = btrfs_super_total_bytes(disk_super);
-	/*
-	 * we allow the metadata to grow to a max of either 10gb or 5% of the
-	 * space in the volume.
-	 */
-	min_metadata = min((u64)10 * 1024 * 1024 * 1024,
-			     div64_u64(free_space * 5, 100));
-	if (info->total_bytes >= min_metadata) {
-		spin_unlock(&info->lock);
-		return 0;
-	}
-
-	if (info->full) {
-		spin_unlock(&info->lock);
-		return 0;
-	}
-
-	if (!info->allocating_chunk) {
-		info->force_alloc = 1;
-		info->allocating_chunk = 1;
-	} else {
-		wait = true;
-	}
-
-	spin_unlock(&info->lock);
-
-	if (wait) {
-		wait_event(info->allocate_wait,
-			   !info->allocating_chunk);
-		return 1;
-	}
-
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	ret = do_chunk_alloc(trans, root->fs_info->extent_root,
-			     4096 + 2 * 1024 * 1024,
-			     info->flags, 0);
-	btrfs_end_transaction(trans, root);
-	if (ret)
-		goto out;
-out:
-	spin_lock(&info->lock);
-	info->allocating_chunk = 0;
-	spin_unlock(&info->lock);
-	wake_up(&info->allocate_wait);
-
-	if (ret)
-		return 0;
-	return 1;
-}
-
 /*
  * Reserve metadata space for delalloc.
  */
@@ -3109,7 +3046,8 @@ again:
 		flushed++;
 
 		if (flushed == 1) {
-			if (maybe_allocate_chunk(root, meta_sinfo))
+			if (maybe_allocate_chunk(NULL, root, meta_sinfo,
+						 num_bytes))
 				goto again;
 			flushed++;
 		} else {
@@ -3224,7 +3162,8 @@ again:
 	if (used > meta_sinfo->total_bytes) {
 		retries++;
 		if (retries == 1) {
-			if (maybe_allocate_chunk(root, meta_sinfo))
+			if (maybe_allocate_chunk(NULL, root, meta_sinfo,
+						 num_bytes))
 				goto again;
 			retries++;
 		} else {
@@ -3421,13 +3360,28 @@ static void force_metadata_allocation(struct btrfs_fs_info *info)
 	rcu_read_unlock();
 }
 
+static int should_alloc_chunk(struct btrfs_space_info *sinfo,
+			      u64 alloc_bytes)
+{
+	u64 num_bytes = sinfo->total_bytes - sinfo->bytes_readonly;
+
+	if (sinfo->bytes_used + sinfo->bytes_reserved +
+	    alloc_bytes + 256 * 1024 * 1024 < num_bytes)
+		return 0;
+
+	if (sinfo->bytes_used + sinfo->bytes_reserved +
+	    alloc_bytes < div_factor(num_bytes, 8))
+		return 0;
+
+	return 1;
+}
+
 static int do_chunk_alloc(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *extent_root, u64 alloc_bytes,
 			  u64 flags, int force)
 {
 	struct btrfs_space_info *space_info;
 	struct btrfs_fs_info *fs_info = extent_root->fs_info;
-	u64 thresh;
 	int ret = 0;
 
 	mutex_lock(&fs_info->chunk_mutex);
@@ -3450,11 +3404,7 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans,
 		goto out;
 	}
 
-	thresh = space_info->total_bytes - space_info->bytes_readonly;
-	thresh = div_factor(thresh, 8);
-	if (!force &&
-	   (space_info->bytes_used + space_info->bytes_pinned +
-	    space_info->bytes_reserved + alloc_bytes) < thresh) {
+	if (!force && !should_alloc_chunk(space_info, alloc_bytes)) {
 		spin_unlock(&space_info->lock);
 		goto out;
 	}
@@ -3476,6 +3426,8 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans,
 	spin_lock(&space_info->lock);
 	if (ret)
 		space_info->full = 1;
+	else
+		ret = 1;
 	space_info->force_alloc = 0;
 	spin_unlock(&space_info->lock);
 out:
@@ -3483,6 +3435,38 @@ out:
 	return ret;
 }
 
+static int maybe_allocate_chunk(struct btrfs_trans_handle *trans,
+				struct btrfs_root *root,
+				struct btrfs_space_info *sinfo, u64 num_bytes)
+{
+	int ret;
+	int end_trans = 0;
+
+	if (sinfo->full)
+		return 0;
+
+	spin_lock(&sinfo->lock);
+	ret = should_alloc_chunk(sinfo, num_bytes + 2 * 1024 * 1024);
+	spin_unlock(&sinfo->lock);
+	if (!ret)
+		return 0;
+
+	if (!trans) {
+		trans = btrfs_join_transaction(root, 1);
+		BUG_ON(IS_ERR(trans));
+		end_trans = 1;
+	}
+
+	ret = do_chunk_alloc(trans, root->fs_info->extent_root,
+			     num_bytes + 2 * 1024 * 1024,
+			     get_alloc_profile(root, sinfo->flags), 0);
+
+	if (end_trans)
+		btrfs_end_transaction(trans, root);
+
+	return ret == 1 ? 1 : 0;
+}
+
 static int update_block_group(struct btrfs_trans_handle *trans,
 			      struct btrfs_root *root,
 			      u64 bytenr, u64 num_bytes, int alloc,

From 5da9d01b66458b180a6bee0e637a1d0a3effc622 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:46:25 -0400
Subject: [PATCH 2960/3638] Btrfs: Shrink delay allocated space in a
 synchronized

Shrink delayed allocation space in a synchronized manner is more
controllable than flushing all delay allocated space in an async
thread.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.h       |   6 +-
 fs/btrfs/disk-io.c     |   6 --
 fs/btrfs/extent-tree.c | 165 ++++++++++++++---------------------------
 fs/btrfs/inode.c       |  32 ++++++++
 4 files changed, 88 insertions(+), 121 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a68f34603b9..85c7b95dd2f 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -700,10 +700,6 @@ struct btrfs_space_info {
 
 	struct list_head list;
 
-	/* for controlling how we free up space for allocations */
-	wait_queue_head_t flush_wait;
-	int flushing;
-
 	/* for block groups in our same type */
 	struct list_head block_groups[BTRFS_NR_RAID_TYPES];
 	spinlock_t lock;
@@ -928,7 +924,6 @@ struct btrfs_fs_info {
 	struct btrfs_workers endio_meta_write_workers;
 	struct btrfs_workers endio_write_workers;
 	struct btrfs_workers submit_workers;
-	struct btrfs_workers enospc_workers;
 	/*
 	 * fixup workers take dirty pages that didn't properly go through
 	 * the cow mechanism and make them safe to write.  It happens
@@ -2312,6 +2307,7 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
 			       u32 min_type);
 
 int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput);
+int btrfs_start_one_delalloc_inode(struct btrfs_root *root, int delay_iput);
 int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end,
 			      struct extent_state **cached_state);
 int btrfs_writepages(struct address_space *mapping,
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index feca04197d0..05f26acfd07 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1759,9 +1759,6 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 			   min_t(u64, fs_devices->num_devices,
 			   fs_info->thread_pool_size),
 			   &fs_info->generic_worker);
-	btrfs_init_workers(&fs_info->enospc_workers, "enospc",
-			   fs_info->thread_pool_size,
-			   &fs_info->generic_worker);
 
 	/* a higher idle thresh on the submit workers makes it much more
 	 * likely that bios will be send down in a sane order to the
@@ -1809,7 +1806,6 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 	btrfs_start_workers(&fs_info->endio_meta_workers, 1);
 	btrfs_start_workers(&fs_info->endio_meta_write_workers, 1);
 	btrfs_start_workers(&fs_info->endio_write_workers, 1);
-	btrfs_start_workers(&fs_info->enospc_workers, 1);
 
 	fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
 	fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
@@ -2040,7 +2036,6 @@ fail_sb_buffer:
 	btrfs_stop_workers(&fs_info->endio_meta_write_workers);
 	btrfs_stop_workers(&fs_info->endio_write_workers);
 	btrfs_stop_workers(&fs_info->submit_workers);
-	btrfs_stop_workers(&fs_info->enospc_workers);
 fail_iput:
 	invalidate_inode_pages2(fs_info->btree_inode->i_mapping);
 	iput(fs_info->btree_inode);
@@ -2473,7 +2468,6 @@ int close_ctree(struct btrfs_root *root)
 	btrfs_stop_workers(&fs_info->endio_meta_write_workers);
 	btrfs_stop_workers(&fs_info->endio_write_workers);
 	btrfs_stop_workers(&fs_info->submit_workers);
-	btrfs_stop_workers(&fs_info->enospc_workers);
 
 	btrfs_close_devices(fs_info->fs_devices);
 	btrfs_mapping_tree_free(&fs_info->mapping_tree);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 2c95507c9ab..f32b1618ee6 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -74,6 +74,9 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 static int maybe_allocate_chunk(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root,
 				struct btrfs_space_info *sinfo, u64 num_bytes);
+static int shrink_delalloc(struct btrfs_trans_handle *trans,
+			   struct btrfs_root *root,
+			   struct btrfs_space_info *sinfo, u64 to_reclaim);
 
 static noinline int
 block_group_cache_done(struct btrfs_block_group_cache *cache)
@@ -2693,7 +2696,6 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags,
 	for (i = 0; i < BTRFS_NR_RAID_TYPES; i++)
 		INIT_LIST_HEAD(&found->block_groups[i]);
 	init_rwsem(&found->groups_sem);
-	init_waitqueue_head(&found->flush_wait);
 	spin_lock_init(&found->lock);
 	found->flags = flags & (BTRFS_BLOCK_GROUP_DATA |
 				BTRFS_BLOCK_GROUP_SYSTEM |
@@ -2907,105 +2909,6 @@ static void check_force_delalloc(struct btrfs_space_info *meta_sinfo)
 		meta_sinfo->force_delalloc = 0;
 }
 
-struct async_flush {
-	struct btrfs_root *root;
-	struct btrfs_space_info *info;
-	struct btrfs_work work;
-};
-
-static noinline void flush_delalloc_async(struct btrfs_work *work)
-{
-	struct async_flush *async;
-	struct btrfs_root *root;
-	struct btrfs_space_info *info;
-
-	async = container_of(work, struct async_flush, work);
-	root = async->root;
-	info = async->info;
-
-	btrfs_start_delalloc_inodes(root, 0);
-	wake_up(&info->flush_wait);
-	btrfs_wait_ordered_extents(root, 0, 0);
-
-	spin_lock(&info->lock);
-	info->flushing = 0;
-	spin_unlock(&info->lock);
-	wake_up(&info->flush_wait);
-
-	kfree(async);
-}
-
-static void wait_on_flush(struct btrfs_space_info *info)
-{
-	DEFINE_WAIT(wait);
-	u64 used;
-
-	while (1) {
-		prepare_to_wait(&info->flush_wait, &wait,
-				TASK_UNINTERRUPTIBLE);
-		spin_lock(&info->lock);
-		if (!info->flushing) {
-			spin_unlock(&info->lock);
-			break;
-		}
-
-		used = info->bytes_used + info->bytes_reserved +
-			info->bytes_pinned + info->bytes_readonly +
-			info->bytes_super + info->bytes_root +
-			info->bytes_may_use + info->bytes_delalloc;
-		if (used < info->total_bytes) {
-			spin_unlock(&info->lock);
-			break;
-		}
-		spin_unlock(&info->lock);
-		schedule();
-	}
-	finish_wait(&info->flush_wait, &wait);
-}
-
-static void flush_delalloc(struct btrfs_root *root,
-				 struct btrfs_space_info *info)
-{
-	struct async_flush *async;
-	bool wait = false;
-
-	spin_lock(&info->lock);
-
-	if (!info->flushing)
-		info->flushing = 1;
-	else
-		wait = true;
-
-	spin_unlock(&info->lock);
-
-	if (wait) {
-		wait_on_flush(info);
-		return;
-	}
-
-	async = kzalloc(sizeof(*async), GFP_NOFS);
-	if (!async)
-		goto flush;
-
-	async->root = root;
-	async->info = info;
-	async->work.func = flush_delalloc_async;
-
-	btrfs_queue_worker(&root->fs_info->enospc_workers,
-			   &async->work);
-	wait_on_flush(info);
-	return;
-
-flush:
-	btrfs_start_delalloc_inodes(root, 0);
-	btrfs_wait_ordered_extents(root, 0, 0);
-
-	spin_lock(&info->lock);
-	info->flushing = 0;
-	spin_unlock(&info->lock);
-	wake_up(&info->flush_wait);
-}
-
 /*
  * Reserve metadata space for delalloc.
  */
@@ -3058,7 +2961,7 @@ again:
 			filemap_flush(inode->i_mapping);
 			goto again;
 		} else if (flushed == 3) {
-			flush_delalloc(root, meta_sinfo);
+			shrink_delalloc(NULL, root, meta_sinfo, num_bytes);
 			goto again;
 		}
 		spin_lock(&meta_sinfo->lock);
@@ -3171,7 +3074,7 @@ again:
 		}
 
 		if (retries == 2) {
-			flush_delalloc(root, meta_sinfo);
+			shrink_delalloc(NULL, root, meta_sinfo, num_bytes);
 			goto again;
 		}
 		spin_lock(&meta_sinfo->lock);
@@ -3197,7 +3100,7 @@ int btrfs_check_data_free_space(struct btrfs_root *root, struct inode *inode,
 {
 	struct btrfs_space_info *data_sinfo;
 	u64 used;
-	int ret = 0, committed = 0, flushed = 0;
+	int ret = 0, committed = 0;
 
 	/* make sure bytes are sectorsize aligned */
 	bytes = (bytes + root->sectorsize - 1) & ~((u64)root->sectorsize - 1);
@@ -3217,13 +3120,6 @@ again:
 	if (used + bytes > data_sinfo->total_bytes) {
 		struct btrfs_trans_handle *trans;
 
-		if (!flushed) {
-			spin_unlock(&data_sinfo->lock);
-			flush_delalloc(root, data_sinfo);
-			flushed = 1;
-			goto again;
-		}
-
 		/*
 		 * if we don't have enough free bytes in this space then we need
 		 * to alloc a new chunk.
@@ -3467,6 +3363,55 @@ static int maybe_allocate_chunk(struct btrfs_trans_handle *trans,
 	return ret == 1 ? 1 : 0;
 }
 
+/*
+ * shrink metadata reservation for delalloc
+ */
+static int shrink_delalloc(struct btrfs_trans_handle *trans,
+			   struct btrfs_root *root,
+			   struct btrfs_space_info *sinfo, u64 to_reclaim)
+{
+	u64 reserved;
+	u64 max_reclaim;
+	u64 reclaimed = 0;
+	int pause = 1;
+	int ret;
+
+	spin_lock(&sinfo->lock);
+	reserved = sinfo->bytes_delalloc;
+	spin_unlock(&sinfo->lock);
+
+	if (reserved == 0)
+		return 0;
+
+	max_reclaim = min(reserved, to_reclaim);
+
+	while (1) {
+		ret = btrfs_start_one_delalloc_inode(root, trans ? 1 : 0);
+		if (!ret) {
+			__set_current_state(TASK_INTERRUPTIBLE);
+			schedule_timeout(pause);
+			pause <<= 1;
+			if (pause > HZ / 10)
+				pause = HZ / 10;
+		} else {
+			pause = 1;
+		}
+
+		spin_lock(&sinfo->lock);
+		if (reserved > sinfo->bytes_delalloc)
+			reclaimed = reserved - sinfo->bytes_delalloc;
+		reserved = sinfo->bytes_delalloc;
+		spin_unlock(&sinfo->lock);
+
+		if (reserved == 0 || reclaimed >= max_reclaim)
+			break;
+
+		if (trans && trans->transaction->blocked)
+			return -EAGAIN;
+	}
+	return reclaimed >= to_reclaim;
+}
+
 static int update_block_group(struct btrfs_trans_handle *trans,
 			      struct btrfs_root *root,
 			      u64 bytenr, u64 num_bytes, int alloc,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2bfdc641d4e..d53cad1afe2 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5611,6 +5611,38 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput)
 	return 0;
 }
 
+int btrfs_start_one_delalloc_inode(struct btrfs_root *root, int delay_iput)
+{
+	struct btrfs_inode *binode;
+	struct inode *inode = NULL;
+
+	spin_lock(&root->fs_info->delalloc_lock);
+	while (!list_empty(&root->fs_info->delalloc_inodes)) {
+		binode = list_entry(root->fs_info->delalloc_inodes.next,
+				    struct btrfs_inode, delalloc_inodes);
+		inode = igrab(&binode->vfs_inode);
+		if (inode) {
+			list_move_tail(&binode->delalloc_inodes,
+				       &root->fs_info->delalloc_inodes);
+			break;
+		}
+
+		list_del_init(&binode->delalloc_inodes);
+		cond_resched_lock(&root->fs_info->delalloc_lock);
+	}
+	spin_unlock(&root->fs_info->delalloc_lock);
+
+	if (inode) {
+		write_inode_now(inode, 0);
+		if (delay_iput)
+			btrfs_add_delayed_iput(inode);
+		else
+			iput(inode);
+		return 1;
+	}
+	return 0;
+}
+
 static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
 			 const char *symname)
 {

From 2ead6ae770d9f9dec9f4286bf0fd9001b4388c4b Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:46:25 -0400
Subject: [PATCH 2961/3638] Btrfs: Kill init_btrfs_i()

All code in init_btrfs_i can be moved into btrfs_alloc_inode()

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 64 +++++++++++++++++++++---------------------------
 1 file changed, 28 insertions(+), 36 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d53cad1afe2..f44425081c0 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3596,40 +3596,10 @@ again:
 	return 0;
 }
 
-static noinline void init_btrfs_i(struct inode *inode)
-{
-	struct btrfs_inode *bi = BTRFS_I(inode);
-
-	bi->generation = 0;
-	bi->sequence = 0;
-	bi->last_trans = 0;
-	bi->last_sub_trans = 0;
-	bi->logged_trans = 0;
-	bi->delalloc_bytes = 0;
-	bi->reserved_bytes = 0;
-	bi->disk_i_size = 0;
-	bi->flags = 0;
-	bi->index_cnt = (u64)-1;
-	bi->last_unlink_trans = 0;
-	bi->ordered_data_close = 0;
-	bi->force_compress = 0;
-	extent_map_tree_init(&BTRFS_I(inode)->extent_tree, GFP_NOFS);
-	extent_io_tree_init(&BTRFS_I(inode)->io_tree,
-			     inode->i_mapping, GFP_NOFS);
-	extent_io_tree_init(&BTRFS_I(inode)->io_failure_tree,
-			     inode->i_mapping, GFP_NOFS);
-	INIT_LIST_HEAD(&BTRFS_I(inode)->delalloc_inodes);
-	INIT_LIST_HEAD(&BTRFS_I(inode)->ordered_operations);
-	RB_CLEAR_NODE(&BTRFS_I(inode)->rb_node);
-	btrfs_ordered_inode_tree_init(&BTRFS_I(inode)->ordered_tree);
-	mutex_init(&BTRFS_I(inode)->log_mutex);
-}
-
 static int btrfs_init_locked_inode(struct inode *inode, void *p)
 {
 	struct btrfs_iget_args *args = p;
 	inode->i_ino = args->ino;
-	init_btrfs_i(inode);
 	BTRFS_I(inode)->root = args->root;
 	btrfs_set_inode_space_info(args->root, inode);
 	return 0;
@@ -3692,8 +3662,6 @@ static struct inode *new_simple_dir(struct super_block *s,
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
 
-	init_btrfs_i(inode);
-
 	BTRFS_I(inode)->root = root;
 	memcpy(&BTRFS_I(inode)->location, key, sizeof(*key));
 	BTRFS_I(inode)->dummy_inode = 1;
@@ -4092,7 +4060,6 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
 	 * btrfs_get_inode_index_count has an explanation for the magic
 	 * number
 	 */
-	init_btrfs_i(inode);
 	BTRFS_I(inode)->index_cnt = 2;
 	BTRFS_I(inode)->root = root;
 	BTRFS_I(inode)->generation = trans->transid;
@@ -5263,21 +5230,46 @@ unsigned long btrfs_force_ra(struct address_space *mapping,
 struct inode *btrfs_alloc_inode(struct super_block *sb)
 {
 	struct btrfs_inode *ei;
+	struct inode *inode;
 
 	ei = kmem_cache_alloc(btrfs_inode_cachep, GFP_NOFS);
 	if (!ei)
 		return NULL;
+
+	ei->root = NULL;
+	ei->space_info = NULL;
+	ei->generation = 0;
+	ei->sequence = 0;
 	ei->last_trans = 0;
 	ei->last_sub_trans = 0;
 	ei->logged_trans = 0;
+	ei->delalloc_bytes = 0;
+	ei->reserved_bytes = 0;
+	ei->disk_i_size = 0;
+	ei->flags = 0;
+	ei->index_cnt = (u64)-1;
+	ei->last_unlink_trans = 0;
+
+	spin_lock_init(&ei->accounting_lock);
 	ei->outstanding_extents = 0;
 	ei->reserved_extents = 0;
-	ei->root = NULL;
-	spin_lock_init(&ei->accounting_lock);
+
+	ei->ordered_data_close = 0;
+	ei->dummy_inode = 0;
+	ei->force_compress = 0;
+
+	inode = &ei->vfs_inode;
+	extent_map_tree_init(&ei->extent_tree, GFP_NOFS);
+	extent_io_tree_init(&ei->io_tree, &inode->i_data, GFP_NOFS);
+	extent_io_tree_init(&ei->io_failure_tree, &inode->i_data, GFP_NOFS);
+	mutex_init(&ei->log_mutex);
 	btrfs_ordered_inode_tree_init(&ei->ordered_tree);
 	INIT_LIST_HEAD(&ei->i_orphan);
+	INIT_LIST_HEAD(&ei->delalloc_inodes);
 	INIT_LIST_HEAD(&ei->ordered_operations);
-	return &ei->vfs_inode;
+	RB_CLEAR_NODE(&ei->rb_node);
+
+	return inode;
 }
 
 void btrfs_destroy_inode(struct inode *inode)

From f0486c68e4bd9a06a5904d3eeb3a0d73a83befb8 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:46:25 -0400
Subject: [PATCH 2962/3638] Btrfs: Introduce contexts for metadata reservation

Introducing metadata reseravtion contexts has two major advantages.
First, it makes metadata reseravtion more traceable. Second, it can
reclaim freed space and re-add them to the itself after transaction
committed.

Besides add btrfs_block_rsv structure and related helper functions,
This patch contains following changes:

Move code that decides if freed tree block should be pinned into
btrfs_free_tree_block().

Make space accounting more accurate, mainly for handling read only
block groups.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.c       |  104 ++--
 fs/btrfs/ctree.h       |   69 ++-
 fs/btrfs/disk-io.c     |    9 +
 fs/btrfs/extent-tree.c | 1045 +++++++++++++++++++++++++++-------------
 fs/btrfs/relocation.c  |   16 +-
 fs/btrfs/transaction.c |    3 +-
 fs/btrfs/transaction.h |    8 +-
 7 files changed, 861 insertions(+), 393 deletions(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 6795a713b20..6bee8e5204f 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -280,7 +280,8 @@ int btrfs_block_can_be_shared(struct btrfs_root *root,
 static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
 				       struct btrfs_root *root,
 				       struct extent_buffer *buf,
-				       struct extent_buffer *cow)
+				       struct extent_buffer *cow,
+				       int *last_ref)
 {
 	u64 refs;
 	u64 owner;
@@ -366,6 +367,7 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
 			BUG_ON(ret);
 		}
 		clean_tree_block(trans, root, buf);
+		*last_ref = 1;
 	}
 	return 0;
 }
@@ -392,6 +394,7 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
 	struct btrfs_disk_key disk_key;
 	struct extent_buffer *cow;
 	int level;
+	int last_ref = 0;
 	int unlock_orig = 0;
 	u64 parent_start;
 
@@ -442,7 +445,7 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
 			    (unsigned long)btrfs_header_fsid(cow),
 			    BTRFS_FSID_SIZE);
 
-	update_ref_for_cow(trans, root, buf, cow);
+	update_ref_for_cow(trans, root, buf, cow, &last_ref);
 
 	if (buf == root->node) {
 		WARN_ON(parent && parent != buf);
@@ -457,8 +460,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
 		extent_buffer_get(cow);
 		spin_unlock(&root->node_lock);
 
-		btrfs_free_tree_block(trans, root, buf->start, buf->len,
-				parent_start, root->root_key.objectid, level);
+		btrfs_free_tree_block(trans, root, buf, parent_start,
+				      last_ref);
 		free_extent_buffer(buf);
 		add_root_to_dirty_list(root);
 	} else {
@@ -473,8 +476,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
 		btrfs_set_node_ptr_generation(parent, parent_slot,
 					      trans->transid);
 		btrfs_mark_buffer_dirty(parent);
-		btrfs_free_tree_block(trans, root, buf->start, buf->len,
-				parent_start, root->root_key.objectid, level);
+		btrfs_free_tree_block(trans, root, buf, parent_start,
+				      last_ref);
 	}
 	if (unlock_orig)
 		btrfs_tree_unlock(buf);
@@ -949,6 +952,22 @@ int btrfs_bin_search(struct extent_buffer *eb, struct btrfs_key *key,
 	return bin_search(eb, key, level, slot);
 }
 
+static void root_add_used(struct btrfs_root *root, u32 size)
+{
+	spin_lock(&root->accounting_lock);
+	btrfs_set_root_used(&root->root_item,
+			    btrfs_root_used(&root->root_item) + size);
+	spin_unlock(&root->accounting_lock);
+}
+
+static void root_sub_used(struct btrfs_root *root, u32 size)
+{
+	spin_lock(&root->accounting_lock);
+	btrfs_set_root_used(&root->root_item,
+			    btrfs_root_used(&root->root_item) - size);
+	spin_unlock(&root->accounting_lock);
+}
+
 /* given a node and slot number, this reads the blocks it points to.  The
  * extent buffer is returned with a reference taken (but unlocked).
  * NULL is returned on error.
@@ -1019,7 +1038,11 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
 		btrfs_tree_lock(child);
 		btrfs_set_lock_blocking(child);
 		ret = btrfs_cow_block(trans, root, child, mid, 0, &child);
-		BUG_ON(ret);
+		if (ret) {
+			btrfs_tree_unlock(child);
+			free_extent_buffer(child);
+			goto enospc;
+		}
 
 		spin_lock(&root->node_lock);
 		root->node = child;
@@ -1034,11 +1057,12 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
 		btrfs_tree_unlock(mid);
 		/* once for the path */
 		free_extent_buffer(mid);
-		ret = btrfs_free_tree_block(trans, root, mid->start, mid->len,
-					    0, root->root_key.objectid, level);
+
+		root_sub_used(root, mid->len);
+		btrfs_free_tree_block(trans, root, mid, 0, 1);
 		/* once for the root ptr */
 		free_extent_buffer(mid);
-		return ret;
+		return 0;
 	}
 	if (btrfs_header_nritems(mid) >
 	    BTRFS_NODEPTRS_PER_BLOCK(root) / 4)
@@ -1088,23 +1112,16 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
 		if (wret < 0 && wret != -ENOSPC)
 			ret = wret;
 		if (btrfs_header_nritems(right) == 0) {
-			u64 bytenr = right->start;
-			u32 blocksize = right->len;
-
 			clean_tree_block(trans, root, right);
 			btrfs_tree_unlock(right);
-			free_extent_buffer(right);
-			right = NULL;
 			wret = del_ptr(trans, root, path, level + 1, pslot +
 				       1);
 			if (wret)
 				ret = wret;
-			wret = btrfs_free_tree_block(trans, root,
-						     bytenr, blocksize, 0,
-						     root->root_key.objectid,
-						     level);
-			if (wret)
-				ret = wret;
+			root_sub_used(root, right->len);
+			btrfs_free_tree_block(trans, root, right, 0, 1);
+			free_extent_buffer(right);
+			right = NULL;
 		} else {
 			struct btrfs_disk_key right_key;
 			btrfs_node_key(right, &right_key, 0);
@@ -1136,21 +1153,15 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
 		BUG_ON(wret == 1);
 	}
 	if (btrfs_header_nritems(mid) == 0) {
-		/* we've managed to empty the middle node, drop it */
-		u64 bytenr = mid->start;
-		u32 blocksize = mid->len;
-
 		clean_tree_block(trans, root, mid);
 		btrfs_tree_unlock(mid);
-		free_extent_buffer(mid);
-		mid = NULL;
 		wret = del_ptr(trans, root, path, level + 1, pslot);
 		if (wret)
 			ret = wret;
-		wret = btrfs_free_tree_block(trans, root, bytenr, blocksize,
-					 0, root->root_key.objectid, level);
-		if (wret)
-			ret = wret;
+		root_sub_used(root, mid->len);
+		btrfs_free_tree_block(trans, root, mid, 0, 1);
+		free_extent_buffer(mid);
+		mid = NULL;
 	} else {
 		/* update the parent key to reflect our changes */
 		struct btrfs_disk_key mid_key;
@@ -1740,7 +1751,6 @@ again:
 					      p->nodes[level + 1],
 					      p->slots[level + 1], &b);
 			if (err) {
-				free_extent_buffer(b);
 				ret = err;
 				goto done;
 			}
@@ -2076,6 +2086,8 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans,
 	if (IS_ERR(c))
 		return PTR_ERR(c);
 
+	root_add_used(root, root->nodesize);
+
 	memset_extent_buffer(c, 0, 0, sizeof(struct btrfs_header));
 	btrfs_set_header_nritems(c, 1);
 	btrfs_set_header_level(c, level);
@@ -2134,6 +2146,7 @@ static int insert_ptr(struct btrfs_trans_handle *trans, struct btrfs_root
 	int nritems;
 
 	BUG_ON(!path->nodes[level]);
+	btrfs_assert_tree_locked(path->nodes[level]);
 	lower = path->nodes[level];
 	nritems = btrfs_header_nritems(lower);
 	BUG_ON(slot > nritems);
@@ -2202,6 +2215,8 @@ static noinline int split_node(struct btrfs_trans_handle *trans,
 	if (IS_ERR(split))
 		return PTR_ERR(split);
 
+	root_add_used(root, root->nodesize);
+
 	memset_extent_buffer(split, 0, 0, sizeof(struct btrfs_header));
 	btrfs_set_header_level(split, btrfs_header_level(c));
 	btrfs_set_header_bytenr(split, split->start);
@@ -2415,6 +2430,9 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
 
 	if (left_nritems)
 		btrfs_mark_buffer_dirty(left);
+	else
+		clean_tree_block(trans, root, left);
+
 	btrfs_mark_buffer_dirty(right);
 
 	btrfs_item_key(right, &disk_key, 0);
@@ -2660,6 +2678,8 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
 	btrfs_mark_buffer_dirty(left);
 	if (right_nritems)
 		btrfs_mark_buffer_dirty(right);
+	else
+		clean_tree_block(trans, root, right);
 
 	btrfs_item_key(right, &disk_key, 0);
 	wret = fixup_low_keys(trans, root, path, &disk_key, 1);
@@ -2669,8 +2689,6 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
 	/* then fixup the leaf pointer in the path */
 	if (path->slots[0] < push_items) {
 		path->slots[0] += old_left_nritems;
-		if (btrfs_header_nritems(path->nodes[0]) == 0)
-			clean_tree_block(trans, root, path->nodes[0]);
 		btrfs_tree_unlock(path->nodes[0]);
 		free_extent_buffer(path->nodes[0]);
 		path->nodes[0] = left;
@@ -2932,10 +2950,10 @@ again:
 	right = btrfs_alloc_free_block(trans, root, root->leafsize, 0,
 					root->root_key.objectid,
 					&disk_key, 0, l->start, 0);
-	if (IS_ERR(right)) {
-		BUG_ON(1);
+	if (IS_ERR(right))
 		return PTR_ERR(right);
-	}
+
+	root_add_used(root, root->leafsize);
 
 	memset_extent_buffer(right, 0, 0, sizeof(struct btrfs_header));
 	btrfs_set_header_bytenr(right, right->start);
@@ -3054,7 +3072,8 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans,
 
 	btrfs_set_path_blocking(path);
 	ret = split_leaf(trans, root, &key, path, ins_len, 1);
-	BUG_ON(ret);
+	if (ret)
+		goto err;
 
 	path->keep_locks = 0;
 	btrfs_unlock_up_safe(path, 1);
@@ -3796,9 +3815,10 @@ static noinline int btrfs_del_leaf(struct btrfs_trans_handle *trans,
 	 */
 	btrfs_unlock_up_safe(path, 0);
 
-	ret = btrfs_free_tree_block(trans, root, leaf->start, leaf->len,
-				    0, root->root_key.objectid, 0);
-	return ret;
+	root_sub_used(root, leaf->len);
+
+	btrfs_free_tree_block(trans, root, leaf, 0, 1);
+	return 0;
 }
 /*
  * delete the item at the leaf level in path.  If that empties
@@ -3865,6 +3885,8 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 		if (leaf == root->node) {
 			btrfs_set_header_level(leaf, 0);
 		} else {
+			btrfs_set_path_blocking(path);
+			clean_tree_block(trans, root, leaf);
 			ret = btrfs_del_leaf(trans, root, path, leaf);
 			BUG_ON(ret);
 		}
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 85c7b95dd2f..7d2479694a5 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -707,6 +707,20 @@ struct btrfs_space_info {
 	atomic_t caching_threads;
 };
 
+struct btrfs_block_rsv {
+	u64 size;
+	u64 reserved;
+	u64 freed[2];
+	struct btrfs_space_info *space_info;
+	struct list_head list;
+	spinlock_t lock;
+	atomic_t usage;
+	unsigned int priority:8;
+	unsigned int durable:1;
+	unsigned int refill_used:1;
+	unsigned int full:1;
+};
+
 /*
  * free clusters are used to claim free space in relatively large chunks,
  * allowing us to do less seeky writes.  They are used for all metadata
@@ -757,6 +771,7 @@ struct btrfs_block_group_cache {
 	spinlock_t lock;
 	u64 pinned;
 	u64 reserved;
+	u64 reserved_pinned;
 	u64 bytes_super;
 	u64 flags;
 	u64 sectorsize;
@@ -822,6 +837,22 @@ struct btrfs_fs_info {
 	/* logical->physical extent mapping */
 	struct btrfs_mapping_tree mapping_tree;
 
+	/* block reservation for extent, checksum and root tree */
+	struct btrfs_block_rsv global_block_rsv;
+	/* block reservation for delay allocation */
+	struct btrfs_block_rsv delalloc_block_rsv;
+	/* block reservation for metadata operations */
+	struct btrfs_block_rsv trans_block_rsv;
+	/* block reservation for chunk tree */
+	struct btrfs_block_rsv chunk_block_rsv;
+
+	struct btrfs_block_rsv empty_block_rsv;
+
+	/* list of block reservations that cross multiple transactions */
+	struct list_head durable_block_rsv_list;
+
+	struct mutex durable_block_rsv_mutex;
+
 	u64 generation;
 	u64 last_trans_committed;
 
@@ -1008,6 +1039,9 @@ struct btrfs_root {
 	struct completion kobj_unregister;
 	struct mutex objectid_mutex;
 
+	spinlock_t accounting_lock;
+	struct btrfs_block_rsv *block_rsv;
+
 	struct mutex log_mutex;
 	wait_queue_head_t log_writer_wait;
 	wait_queue_head_t log_commit_wait[2];
@@ -1980,10 +2014,10 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
 					u64 parent, u64 root_objectid,
 					struct btrfs_disk_key *key, int level,
 					u64 hint, u64 empty_size);
-int btrfs_free_tree_block(struct btrfs_trans_handle *trans,
-			  struct btrfs_root *root,
-			  u64 bytenr, u32 blocksize,
-			  u64 parent, u64 root_objectid, int level);
+void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
+			   struct btrfs_root *root,
+			   struct extent_buffer *buf,
+			   u64 parent, int last_ref);
 struct extent_buffer *btrfs_init_new_buffer(struct btrfs_trans_handle *trans,
 					    struct btrfs_root *root,
 					    u64 bytenr, u32 blocksize,
@@ -2037,9 +2071,6 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans,
 			   u64 size);
 int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root, u64 group_start);
-int btrfs_prepare_block_group_relocation(struct btrfs_root *root,
-				struct btrfs_block_group_cache *group);
-
 u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags);
 void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde);
 void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
@@ -2058,6 +2089,30 @@ void btrfs_delalloc_reserve_space(struct btrfs_root *root, struct inode *inode,
 				 u64 bytes);
 void btrfs_delalloc_free_space(struct btrfs_root *root, struct inode *inode,
 			      u64 bytes);
+void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv);
+struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root);
+void btrfs_free_block_rsv(struct btrfs_root *root,
+			  struct btrfs_block_rsv *rsv);
+void btrfs_add_durable_block_rsv(struct btrfs_fs_info *fs_info,
+				 struct btrfs_block_rsv *rsv);
+int btrfs_block_rsv_add(struct btrfs_trans_handle *trans,
+			struct btrfs_root *root,
+			struct btrfs_block_rsv *block_rsv,
+			u64 num_bytes, int *retries);
+int btrfs_block_rsv_check(struct btrfs_trans_handle *trans,
+			  struct btrfs_root *root,
+			  struct btrfs_block_rsv *block_rsv,
+			  u64 min_reserved, int min_factor);
+int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
+			    struct btrfs_block_rsv *dst_rsv,
+			    u64 num_bytes);
+void btrfs_block_rsv_release(struct btrfs_root *root,
+			     struct btrfs_block_rsv *block_rsv,
+			     u64 num_bytes);
+int btrfs_set_block_group_ro(struct btrfs_root *root,
+			     struct btrfs_block_group_cache *cache);
+int btrfs_set_block_group_rw(struct btrfs_root *root,
+			     struct btrfs_block_group_cache *cache);
 /* ctree.c */
 int btrfs_bin_search(struct extent_buffer *eb, struct btrfs_key *key,
 		     int level, int *slot);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 05f26acfd07..574594cf6b5 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -903,6 +903,7 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
 	root->name = NULL;
 	root->in_sysfs = 0;
 	root->inode_tree = RB_ROOT;
+	root->block_rsv = NULL;
 
 	INIT_LIST_HEAD(&root->dirty_list);
 	INIT_LIST_HEAD(&root->orphan_list);
@@ -910,6 +911,7 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
 	spin_lock_init(&root->node_lock);
 	spin_lock_init(&root->list_lock);
 	spin_lock_init(&root->inode_lock);
+	spin_lock_init(&root->accounting_lock);
 	mutex_init(&root->objectid_mutex);
 	mutex_init(&root->log_mutex);
 	init_waitqueue_head(&root->log_writer_wait);
@@ -1620,6 +1622,13 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 	INIT_LIST_HEAD(&fs_info->dirty_cowonly_roots);
 	INIT_LIST_HEAD(&fs_info->space_info);
 	btrfs_mapping_init(&fs_info->mapping_tree);
+	btrfs_init_block_rsv(&fs_info->global_block_rsv);
+	btrfs_init_block_rsv(&fs_info->delalloc_block_rsv);
+	btrfs_init_block_rsv(&fs_info->trans_block_rsv);
+	btrfs_init_block_rsv(&fs_info->chunk_block_rsv);
+	btrfs_init_block_rsv(&fs_info->empty_block_rsv);
+	INIT_LIST_HEAD(&fs_info->durable_block_rsv_list);
+	mutex_init(&fs_info->durable_block_rsv_mutex);
 	atomic_set(&fs_info->nr_async_submits, 0);
 	atomic_set(&fs_info->async_delalloc_pages, 0);
 	atomic_set(&fs_info->async_submit_draining, 0);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index f32b1618ee6..3367278ac6a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -35,10 +35,9 @@
 
 static int update_block_group(struct btrfs_trans_handle *trans,
 			      struct btrfs_root *root,
-			      u64 bytenr, u64 num_bytes, int alloc,
-			      int mark_free);
-static int update_reserved_extents(struct btrfs_block_group_cache *cache,
-				   u64 num_bytes, int reserve);
+			      u64 bytenr, u64 num_bytes, int alloc);
+static int update_reserved_bytes(struct btrfs_block_group_cache *cache,
+				 u64 num_bytes, int reserve, int sinfo);
 static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root,
 				u64 bytenr, u64 num_bytes, u64 parent,
@@ -61,12 +60,6 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
 static int do_chunk_alloc(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *extent_root, u64 alloc_bytes,
 			  u64 flags, int force);
-static int pin_down_bytes(struct btrfs_trans_handle *trans,
-			  struct btrfs_root *root,
-			  struct btrfs_path *path,
-			  u64 bytenr, u64 num_bytes,
-			  int is_data, int reserved,
-			  struct extent_buffer **must_clean);
 static int find_next_key(struct btrfs_path *path, int level,
 			 struct btrfs_key *key);
 static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
@@ -97,8 +90,12 @@ void btrfs_get_block_group(struct btrfs_block_group_cache *cache)
 
 void btrfs_put_block_group(struct btrfs_block_group_cache *cache)
 {
-	if (atomic_dec_and_test(&cache->count))
+	if (atomic_dec_and_test(&cache->count)) {
+		WARN_ON(cache->pinned > 0);
+		WARN_ON(cache->reserved > 0);
+		WARN_ON(cache->reserved_pinned > 0);
 		kfree(cache);
+	}
 }
 
 /*
@@ -325,7 +322,7 @@ static int caching_kthread(void *data)
 
 	exclude_super_stripes(extent_root, block_group);
 	spin_lock(&block_group->space_info->lock);
-	block_group->space_info->bytes_super += block_group->bytes_super;
+	block_group->space_info->bytes_readonly += block_group->bytes_super;
 	spin_unlock(&block_group->space_info->lock);
 
 	last = max_t(u64, block_group->key.objectid, BTRFS_SUPER_INFO_OFFSET);
@@ -1880,7 +1877,6 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans,
 	return ret;
 }
 
-
 /* helper function to actually process a single delayed ref entry */
 static int run_one_delayed_ref(struct btrfs_trans_handle *trans,
 			       struct btrfs_root *root,
@@ -1900,32 +1896,14 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans,
 		BUG_ON(extent_op);
 		head = btrfs_delayed_node_to_head(node);
 		if (insert_reserved) {
-			int mark_free = 0;
-			struct extent_buffer *must_clean = NULL;
-
-			ret = pin_down_bytes(trans, root, NULL,
-					     node->bytenr, node->num_bytes,
-					     head->is_data, 1, &must_clean);
-			if (ret > 0)
-				mark_free = 1;
-
-			if (must_clean) {
-				clean_tree_block(NULL, root, must_clean);
-				btrfs_tree_unlock(must_clean);
-				free_extent_buffer(must_clean);
-			}
+			btrfs_pin_extent(root, node->bytenr,
+					 node->num_bytes, 1);
 			if (head->is_data) {
 				ret = btrfs_del_csums(trans, root,
 						      node->bytenr,
 						      node->num_bytes);
 				BUG_ON(ret);
 			}
-			if (mark_free) {
-				ret = btrfs_free_reserved_extent(root,
-							node->bytenr,
-							node->num_bytes);
-				BUG_ON(ret);
-			}
 		}
 		mutex_unlock(&head->mutex);
 		return 0;
@@ -2356,6 +2334,8 @@ int btrfs_cross_ref_exist(struct btrfs_trans_handle *trans,
 		ret = 0;
 out:
 	btrfs_free_path(path);
+	if (root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID)
+		WARN_ON(ret > 0);
 	return ret;
 }
 
@@ -2706,7 +2686,7 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags,
 	found->bytes_pinned = 0;
 	found->bytes_reserved = 0;
 	found->bytes_readonly = 0;
-	found->bytes_delalloc = 0;
+	found->bytes_may_use = 0;
 	found->full = 0;
 	found->force_alloc = 0;
 	*space_info = found;
@@ -2731,19 +2711,6 @@ static void set_avail_alloc_bits(struct btrfs_fs_info *fs_info, u64 flags)
 	}
 }
 
-static void set_block_group_readonly(struct btrfs_block_group_cache *cache)
-{
-	spin_lock(&cache->space_info->lock);
-	spin_lock(&cache->lock);
-	if (!cache->ro) {
-		cache->space_info->bytes_readonly += cache->key.offset -
-					btrfs_block_group_used(&cache->item);
-		cache->ro = 1;
-	}
-	spin_unlock(&cache->lock);
-	spin_unlock(&cache->space_info->lock);
-}
-
 u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags)
 {
 	u64 num_devices = root->fs_info->fs_devices->rw_devices;
@@ -2802,11 +2769,8 @@ static u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data)
 
 void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *inode)
 {
-	u64 alloc_target;
-
-	alloc_target = btrfs_get_alloc_profile(root, 1);
 	BTRFS_I(inode)->space_info = __find_space_info(root->fs_info,
-						       alloc_target);
+						       BTRFS_BLOCK_GROUP_DATA);
 }
 
 static u64 calculate_bytes_needed(struct btrfs_root *root, int num_items)
@@ -3412,10 +3376,334 @@ static int shrink_delalloc(struct btrfs_trans_handle *trans,
 	return reclaimed >= to_reclaim;
 }
 
+static int should_retry_reserve(struct btrfs_trans_handle *trans,
+				struct btrfs_root *root,
+				struct btrfs_block_rsv *block_rsv,
+				u64 num_bytes, int *retries)
+{
+	struct btrfs_space_info *space_info = block_rsv->space_info;
+	int ret;
+
+	if ((*retries) > 2)
+		return -ENOSPC;
+
+	ret = maybe_allocate_chunk(trans, root, space_info, num_bytes);
+	if (ret)
+		return 1;
+
+	if (trans && trans->transaction->in_commit)
+		return -ENOSPC;
+
+	ret = shrink_delalloc(trans, root, space_info, num_bytes);
+	if (ret)
+		return ret;
+
+	spin_lock(&space_info->lock);
+	if (space_info->bytes_pinned < num_bytes)
+		ret = 1;
+	spin_unlock(&space_info->lock);
+	if (ret)
+		return -ENOSPC;
+
+	(*retries)++;
+
+	if (trans)
+		return -EAGAIN;
+
+	trans = btrfs_join_transaction(root, 1);
+	BUG_ON(IS_ERR(trans));
+	ret = btrfs_commit_transaction(trans, root);
+	BUG_ON(ret);
+
+	return 1;
+}
+
+static int reserve_metadata_bytes(struct btrfs_block_rsv *block_rsv,
+				  u64 num_bytes)
+{
+	struct btrfs_space_info *space_info = block_rsv->space_info;
+	u64 unused;
+	int ret = -ENOSPC;
+
+	spin_lock(&space_info->lock);
+	unused = space_info->bytes_used + space_info->bytes_reserved +
+		 space_info->bytes_pinned + space_info->bytes_readonly;
+
+	if (unused < space_info->total_bytes)
+		unused = space_info->total_bytes - unused;
+	else
+		unused = 0;
+
+	if (unused >= num_bytes) {
+		if (block_rsv->priority >= 10) {
+			space_info->bytes_reserved += num_bytes;
+			ret = 0;
+		} else {
+			if ((unused + block_rsv->reserved) *
+			    block_rsv->priority >=
+			    (num_bytes + block_rsv->reserved) * 10) {
+				space_info->bytes_reserved += num_bytes;
+				ret = 0;
+			}
+		}
+	}
+	spin_unlock(&space_info->lock);
+
+	return ret;
+}
+
+static struct btrfs_block_rsv *get_block_rsv(struct btrfs_trans_handle *trans,
+					     struct btrfs_root *root)
+{
+	struct btrfs_block_rsv *block_rsv;
+	if (root->ref_cows)
+		block_rsv = trans->block_rsv;
+	else
+		block_rsv = root->block_rsv;
+
+	if (!block_rsv)
+		block_rsv = &root->fs_info->empty_block_rsv;
+
+	return block_rsv;
+}
+
+static int block_rsv_use_bytes(struct btrfs_block_rsv *block_rsv,
+			       u64 num_bytes)
+{
+	int ret = -ENOSPC;
+	spin_lock(&block_rsv->lock);
+	if (block_rsv->reserved >= num_bytes) {
+		block_rsv->reserved -= num_bytes;
+		if (block_rsv->reserved < block_rsv->size)
+			block_rsv->full = 0;
+		ret = 0;
+	}
+	spin_unlock(&block_rsv->lock);
+	return ret;
+}
+
+static void block_rsv_add_bytes(struct btrfs_block_rsv *block_rsv,
+				u64 num_bytes, int update_size)
+{
+	spin_lock(&block_rsv->lock);
+	block_rsv->reserved += num_bytes;
+	if (update_size)
+		block_rsv->size += num_bytes;
+	else if (block_rsv->reserved >= block_rsv->size)
+		block_rsv->full = 1;
+	spin_unlock(&block_rsv->lock);
+}
+
+void block_rsv_release_bytes(struct btrfs_block_rsv *block_rsv,
+			     struct btrfs_block_rsv *dest, u64 num_bytes)
+{
+	struct btrfs_space_info *space_info = block_rsv->space_info;
+
+	spin_lock(&block_rsv->lock);
+	if (num_bytes == (u64)-1)
+		num_bytes = block_rsv->size;
+	block_rsv->size -= num_bytes;
+	if (block_rsv->reserved >= block_rsv->size) {
+		num_bytes = block_rsv->reserved - block_rsv->size;
+		block_rsv->reserved = block_rsv->size;
+		block_rsv->full = 1;
+	} else {
+		num_bytes = 0;
+	}
+	spin_unlock(&block_rsv->lock);
+
+	if (num_bytes > 0) {
+		if (dest) {
+			block_rsv_add_bytes(dest, num_bytes, 0);
+		} else {
+			spin_lock(&space_info->lock);
+			space_info->bytes_reserved -= num_bytes;
+			spin_unlock(&space_info->lock);
+		}
+	}
+}
+
+static int block_rsv_migrate_bytes(struct btrfs_block_rsv *src,
+				   struct btrfs_block_rsv *dst, u64 num_bytes)
+{
+	int ret;
+
+	ret = block_rsv_use_bytes(src, num_bytes);
+	if (ret)
+		return ret;
+
+	block_rsv_add_bytes(dst, num_bytes, 1);
+	return 0;
+}
+
+void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv)
+{
+	memset(rsv, 0, sizeof(*rsv));
+	spin_lock_init(&rsv->lock);
+	atomic_set(&rsv->usage, 1);
+	rsv->priority = 6;
+	INIT_LIST_HEAD(&rsv->list);
+}
+
+struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root)
+{
+	struct btrfs_block_rsv *block_rsv;
+	struct btrfs_fs_info *fs_info = root->fs_info;
+	u64 alloc_target;
+
+	block_rsv = kmalloc(sizeof(*block_rsv), GFP_NOFS);
+	if (!block_rsv)
+		return NULL;
+
+	btrfs_init_block_rsv(block_rsv);
+
+	alloc_target = btrfs_get_alloc_profile(root, 0);
+	block_rsv->space_info = __find_space_info(fs_info,
+						  BTRFS_BLOCK_GROUP_METADATA);
+
+	return block_rsv;
+}
+
+void btrfs_free_block_rsv(struct btrfs_root *root,
+			  struct btrfs_block_rsv *rsv)
+{
+	if (rsv && atomic_dec_and_test(&rsv->usage)) {
+		btrfs_block_rsv_release(root, rsv, (u64)-1);
+		if (!rsv->durable)
+			kfree(rsv);
+	}
+}
+
+/*
+ * make the block_rsv struct be able to capture freed space.
+ * the captured space will re-add to the the block_rsv struct
+ * after transaction commit
+ */
+void btrfs_add_durable_block_rsv(struct btrfs_fs_info *fs_info,
+				 struct btrfs_block_rsv *block_rsv)
+{
+	block_rsv->durable = 1;
+	mutex_lock(&fs_info->durable_block_rsv_mutex);
+	list_add_tail(&block_rsv->list, &fs_info->durable_block_rsv_list);
+	mutex_unlock(&fs_info->durable_block_rsv_mutex);
+}
+
+int btrfs_block_rsv_add(struct btrfs_trans_handle *trans,
+			struct btrfs_root *root,
+			struct btrfs_block_rsv *block_rsv,
+			u64 num_bytes, int *retries)
+{
+	int ret;
+
+	if (num_bytes == 0)
+		return 0;
+again:
+	ret = reserve_metadata_bytes(block_rsv, num_bytes);
+	if (!ret) {
+		block_rsv_add_bytes(block_rsv, num_bytes, 1);
+		return 0;
+	}
+
+	ret = should_retry_reserve(trans, root, block_rsv, num_bytes, retries);
+	if (ret > 0)
+		goto again;
+
+	return ret;
+}
+
+int btrfs_block_rsv_check(struct btrfs_trans_handle *trans,
+			  struct btrfs_root *root,
+			  struct btrfs_block_rsv *block_rsv,
+			  u64 min_reserved, int min_factor)
+{
+	u64 num_bytes = 0;
+	int commit_trans = 0;
+	int ret = -ENOSPC;
+
+	if (!block_rsv)
+		return 0;
+
+	spin_lock(&block_rsv->lock);
+	if (min_factor > 0)
+		num_bytes = div_factor(block_rsv->size, min_factor);
+	if (min_reserved > num_bytes)
+		num_bytes = min_reserved;
+
+	if (block_rsv->reserved >= num_bytes) {
+		ret = 0;
+	} else {
+		num_bytes -= block_rsv->reserved;
+		if (block_rsv->durable &&
+		    block_rsv->freed[0] + block_rsv->freed[1] >= num_bytes)
+			commit_trans = 1;
+	}
+	spin_unlock(&block_rsv->lock);
+	if (!ret)
+		return 0;
+
+	if (block_rsv->refill_used) {
+		ret = reserve_metadata_bytes(block_rsv, num_bytes);
+		if (!ret) {
+			block_rsv_add_bytes(block_rsv, num_bytes, 0);
+			return 0;
+		}
+	}
+
+	if (commit_trans) {
+		if (trans)
+			return -EAGAIN;
+
+		trans = btrfs_join_transaction(root, 1);
+		BUG_ON(IS_ERR(trans));
+		ret = btrfs_commit_transaction(trans, root);
+		return 0;
+	}
+
+	WARN_ON(1);
+	printk(KERN_INFO"block_rsv size %llu reserved %llu freed %llu %llu\n",
+		block_rsv->size, block_rsv->reserved,
+		block_rsv->freed[0], block_rsv->freed[1]);
+
+	return -ENOSPC;
+}
+
+int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
+			    struct btrfs_block_rsv *dst_rsv,
+			    u64 num_bytes)
+{
+	return block_rsv_migrate_bytes(src_rsv, dst_rsv, num_bytes);
+}
+
+void btrfs_block_rsv_release(struct btrfs_root *root,
+			     struct btrfs_block_rsv *block_rsv,
+			     u64 num_bytes)
+{
+	struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv;
+	if (global_rsv->full || global_rsv == block_rsv ||
+	    block_rsv->space_info != global_rsv->space_info)
+		global_rsv = NULL;
+	block_rsv_release_bytes(block_rsv, global_rsv, num_bytes);
+}
+
+static void init_global_block_rsv(struct btrfs_fs_info *fs_info)
+{
+	struct btrfs_space_info *space_info;
+
+	space_info = __find_space_info(fs_info, BTRFS_BLOCK_GROUP_SYSTEM);
+	fs_info->chunk_block_rsv.space_info = space_info;
+	fs_info->chunk_block_rsv.priority = 10;
+
+	space_info = __find_space_info(fs_info, BTRFS_BLOCK_GROUP_METADATA);
+	fs_info->trans_block_rsv.space_info = space_info;
+	fs_info->empty_block_rsv.space_info = space_info;
+	fs_info->empty_block_rsv.priority = 10;
+
+	fs_info->chunk_root->block_rsv = &fs_info->chunk_block_rsv;
+}
+
 static int update_block_group(struct btrfs_trans_handle *trans,
 			      struct btrfs_root *root,
-			      u64 bytenr, u64 num_bytes, int alloc,
-			      int mark_free)
+			      u64 bytenr, u64 num_bytes, int alloc)
 {
 	struct btrfs_block_group_cache *cache;
 	struct btrfs_fs_info *info = root->fs_info;
@@ -3459,30 +3747,21 @@ static int update_block_group(struct btrfs_trans_handle *trans,
 			cache->space_info->bytes_reserved -= num_bytes;
 			cache->space_info->bytes_used += num_bytes;
 			cache->space_info->disk_used += num_bytes * factor;
-			if (cache->ro)
-				cache->space_info->bytes_readonly -= num_bytes;
 			spin_unlock(&cache->lock);
 			spin_unlock(&cache->space_info->lock);
 		} else {
 			old_val -= num_bytes;
 			btrfs_set_block_group_used(&cache->item, old_val);
+			cache->pinned += num_bytes;
+			cache->space_info->bytes_pinned += num_bytes;
 			cache->space_info->bytes_used -= num_bytes;
 			cache->space_info->disk_used -= num_bytes * factor;
-			if (cache->ro)
-				cache->space_info->bytes_readonly += num_bytes;
 			spin_unlock(&cache->lock);
 			spin_unlock(&cache->space_info->lock);
-			if (mark_free) {
-				int ret;
 
-				ret = btrfs_discard_extent(root, bytenr,
-							   num_bytes);
-				WARN_ON(ret);
-
-				ret = btrfs_add_free_space(cache, bytenr,
-							   num_bytes);
-				WARN_ON(ret);
-			}
+			set_extent_dirty(info->pinned_extents,
+					 bytenr, bytenr + num_bytes - 1,
+					 GFP_NOFS | __GFP_NOFAIL);
 		}
 		btrfs_put_block_group(cache);
 		total -= num_bytes;
@@ -3506,18 +3785,10 @@ static u64 first_logical_byte(struct btrfs_root *root, u64 search_start)
 	return bytenr;
 }
 
-/*
- * this function must be called within transaction
- */
-int btrfs_pin_extent(struct btrfs_root *root,
-		     u64 bytenr, u64 num_bytes, int reserved)
+static int pin_down_extent(struct btrfs_root *root,
+			   struct btrfs_block_group_cache *cache,
+			   u64 bytenr, u64 num_bytes, int reserved)
 {
-	struct btrfs_fs_info *fs_info = root->fs_info;
-	struct btrfs_block_group_cache *cache;
-
-	cache = btrfs_lookup_block_group(fs_info, bytenr);
-	BUG_ON(!cache);
-
 	spin_lock(&cache->space_info->lock);
 	spin_lock(&cache->lock);
 	cache->pinned += num_bytes;
@@ -3529,30 +3800,70 @@ int btrfs_pin_extent(struct btrfs_root *root,
 	spin_unlock(&cache->lock);
 	spin_unlock(&cache->space_info->lock);
 
-	btrfs_put_block_group(cache);
-
-	set_extent_dirty(fs_info->pinned_extents,
-			 bytenr, bytenr + num_bytes - 1, GFP_NOFS);
+	set_extent_dirty(root->fs_info->pinned_extents, bytenr,
+			 bytenr + num_bytes - 1, GFP_NOFS | __GFP_NOFAIL);
 	return 0;
 }
 
-static int update_reserved_extents(struct btrfs_block_group_cache *cache,
-				   u64 num_bytes, int reserve)
+/*
+ * this function must be called within transaction
+ */
+int btrfs_pin_extent(struct btrfs_root *root,
+		     u64 bytenr, u64 num_bytes, int reserved)
 {
-	spin_lock(&cache->space_info->lock);
-	spin_lock(&cache->lock);
-	if (reserve) {
-		cache->reserved += num_bytes;
-		cache->space_info->bytes_reserved += num_bytes;
-	} else {
-		cache->reserved -= num_bytes;
-		cache->space_info->bytes_reserved -= num_bytes;
-	}
-	spin_unlock(&cache->lock);
-	spin_unlock(&cache->space_info->lock);
+	struct btrfs_block_group_cache *cache;
+
+	cache = btrfs_lookup_block_group(root->fs_info, bytenr);
+	BUG_ON(!cache);
+
+	pin_down_extent(root, cache, bytenr, num_bytes, reserved);
+
+	btrfs_put_block_group(cache);
 	return 0;
 }
 
+/*
+ * update size of reserved extents. this function may return -EAGAIN
+ * if 'reserve' is true or 'sinfo' is false.
+ */
+static int update_reserved_bytes(struct btrfs_block_group_cache *cache,
+				 u64 num_bytes, int reserve, int sinfo)
+{
+	int ret = 0;
+	if (sinfo) {
+		struct btrfs_space_info *space_info = cache->space_info;
+		spin_lock(&space_info->lock);
+		spin_lock(&cache->lock);
+		if (reserve) {
+			if (cache->ro) {
+				ret = -EAGAIN;
+			} else {
+				cache->reserved += num_bytes;
+				space_info->bytes_reserved += num_bytes;
+			}
+		} else {
+			if (cache->ro)
+				space_info->bytes_readonly += num_bytes;
+			cache->reserved -= num_bytes;
+			space_info->bytes_reserved -= num_bytes;
+		}
+		spin_unlock(&cache->lock);
+		spin_unlock(&space_info->lock);
+	} else {
+		spin_lock(&cache->lock);
+		if (cache->ro) {
+			ret = -EAGAIN;
+		} else {
+			if (reserve)
+				cache->reserved += num_bytes;
+			else
+				cache->reserved -= num_bytes;
+		}
+		spin_unlock(&cache->lock);
+	}
+	return ret;
+}
+
 int btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root)
 {
@@ -3607,14 +3918,21 @@ static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end)
 			btrfs_add_free_space(cache, start, len);
 		}
 
+		start += len;
+
 		spin_lock(&cache->space_info->lock);
 		spin_lock(&cache->lock);
 		cache->pinned -= len;
 		cache->space_info->bytes_pinned -= len;
+		if (cache->ro) {
+			cache->space_info->bytes_readonly += len;
+		} else if (cache->reserved_pinned > 0) {
+			len = min(len, cache->reserved_pinned);
+			cache->reserved_pinned -= len;
+			cache->space_info->bytes_reserved += len;
+		}
 		spin_unlock(&cache->lock);
 		spin_unlock(&cache->space_info->lock);
-
-		start += len;
 	}
 
 	if (cache)
@@ -3627,8 +3945,11 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct extent_io_tree *unpin;
+	struct btrfs_block_rsv *block_rsv;
+	struct btrfs_block_rsv *next_rsv;
 	u64 start;
 	u64 end;
+	int idx;
 	int ret;
 
 	if (fs_info->pinned_extents == &fs_info->freed_extents[0])
@@ -3649,59 +3970,30 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
 		cond_resched();
 	}
 
-	return ret;
-}
+	mutex_lock(&fs_info->durable_block_rsv_mutex);
+	list_for_each_entry_safe(block_rsv, next_rsv,
+				 &fs_info->durable_block_rsv_list, list) {
 
-static int pin_down_bytes(struct btrfs_trans_handle *trans,
-			  struct btrfs_root *root,
-			  struct btrfs_path *path,
-			  u64 bytenr, u64 num_bytes,
-			  int is_data, int reserved,
-			  struct extent_buffer **must_clean)
-{
-	int err = 0;
-	struct extent_buffer *buf;
-
-	if (is_data)
-		goto pinit;
-
-	/*
-	 * discard is sloooow, and so triggering discards on
-	 * individual btree blocks isn't a good plan.  Just
-	 * pin everything in discard mode.
-	 */
-	if (btrfs_test_opt(root, DISCARD))
-		goto pinit;
-
-	buf = btrfs_find_tree_block(root, bytenr, num_bytes);
-	if (!buf)
-		goto pinit;
-
-	/* we can reuse a block if it hasn't been written
-	 * and it is from this transaction.  We can't
-	 * reuse anything from the tree log root because
-	 * it has tiny sub-transactions.
-	 */
-	if (btrfs_buffer_uptodate(buf, 0) &&
-	    btrfs_try_tree_lock(buf)) {
-		u64 header_owner = btrfs_header_owner(buf);
-		u64 header_transid = btrfs_header_generation(buf);
-		if (header_owner != BTRFS_TREE_LOG_OBJECTID &&
-		    header_transid == trans->transid &&
-		    !btrfs_header_flag(buf, BTRFS_HEADER_FLAG_WRITTEN)) {
-			*must_clean = buf;
-			return 1;
+		idx = trans->transid & 0x1;
+		if (block_rsv->freed[idx] > 0) {
+			block_rsv_add_bytes(block_rsv,
+					    block_rsv->freed[idx], 0);
+			block_rsv->freed[idx] = 0;
 		}
-		btrfs_tree_unlock(buf);
-	}
-	free_extent_buffer(buf);
-pinit:
-	if (path)
-		btrfs_set_path_blocking(path);
-	/* unlocks the pinned mutex */
-	btrfs_pin_extent(root, bytenr, num_bytes, reserved);
+		if (atomic_read(&block_rsv->usage) == 0) {
+			btrfs_block_rsv_release(root, block_rsv, (u64)-1);
+
+			if (block_rsv->freed[0] == 0 &&
+			    block_rsv->freed[1] == 0) {
+				list_del_init(&block_rsv->list);
+				kfree(block_rsv);
+			}
+		} else {
+			btrfs_block_rsv_release(root, block_rsv, 0);
+		}
+	}
+	mutex_unlock(&fs_info->durable_block_rsv_mutex);
 
-	BUG_ON(err < 0);
 	return 0;
 }
 
@@ -3862,9 +4154,6 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
 			BUG_ON(ret);
 		}
 	} else {
-		int mark_free = 0;
-		struct extent_buffer *must_clean = NULL;
-
 		if (found_extent) {
 			BUG_ON(is_data && refs_to_drop !=
 			       extent_data_ref_count(root, path, iref));
@@ -3877,31 +4166,11 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
 			}
 		}
 
-		ret = pin_down_bytes(trans, root, path, bytenr,
-				     num_bytes, is_data, 0, &must_clean);
-		if (ret > 0)
-			mark_free = 1;
-		BUG_ON(ret < 0);
-		/*
-		 * it is going to be very rare for someone to be waiting
-		 * on the block we're freeing.  del_items might need to
-		 * schedule, so rather than get fancy, just force it
-		 * to blocking here
-		 */
-		if (must_clean)
-			btrfs_set_lock_blocking(must_clean);
-
 		ret = btrfs_del_items(trans, extent_root, path, path->slots[0],
 				      num_to_del);
 		BUG_ON(ret);
 		btrfs_release_path(extent_root, path);
 
-		if (must_clean) {
-			clean_tree_block(NULL, root, must_clean);
-			btrfs_tree_unlock(must_clean);
-			free_extent_buffer(must_clean);
-		}
-
 		if (is_data) {
 			ret = btrfs_del_csums(trans, root, bytenr, num_bytes);
 			BUG_ON(ret);
@@ -3911,8 +4180,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
 			     (bytenr + num_bytes - 1) >> PAGE_CACHE_SHIFT);
 		}
 
-		ret = update_block_group(trans, root, bytenr, num_bytes, 0,
-					 mark_free);
+		ret = update_block_group(trans, root, bytenr, num_bytes, 0);
 		BUG_ON(ret);
 	}
 	btrfs_free_path(path);
@@ -3920,7 +4188,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
 }
 
 /*
- * when we free an extent, it is possible (and likely) that we free the last
+ * when we free an block, it is possible (and likely) that we free the last
  * delayed ref for that extent as well.  This searches the delayed ref tree for
  * a given extent, and if there are no other delayed refs to be processed, it
  * removes it from the tree.
@@ -3932,7 +4200,7 @@ static noinline int check_ref_cleanup(struct btrfs_trans_handle *trans,
 	struct btrfs_delayed_ref_root *delayed_refs;
 	struct btrfs_delayed_ref_node *ref;
 	struct rb_node *node;
-	int ret;
+	int ret = 0;
 
 	delayed_refs = &trans->transaction->delayed_refs;
 	spin_lock(&delayed_refs->lock);
@@ -3984,17 +4252,99 @@ static noinline int check_ref_cleanup(struct btrfs_trans_handle *trans,
 	list_del_init(&head->cluster);
 	spin_unlock(&delayed_refs->lock);
 
-	ret = run_one_delayed_ref(trans, root->fs_info->tree_root,
-				  &head->node, head->extent_op,
-				  head->must_insert_reserved);
-	BUG_ON(ret);
+	BUG_ON(head->extent_op);
+	if (head->must_insert_reserved)
+		ret = 1;
+
+	mutex_unlock(&head->mutex);
 	btrfs_put_delayed_ref(&head->node);
-	return 0;
+	return ret;
 out:
 	spin_unlock(&delayed_refs->lock);
 	return 0;
 }
 
+void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
+			   struct btrfs_root *root,
+			   struct extent_buffer *buf,
+			   u64 parent, int last_ref)
+{
+	struct btrfs_block_rsv *block_rsv;
+	struct btrfs_block_group_cache *cache = NULL;
+	int ret;
+
+	if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
+		ret = btrfs_add_delayed_tree_ref(trans, buf->start, buf->len,
+						parent, root->root_key.objectid,
+						btrfs_header_level(buf),
+						BTRFS_DROP_DELAYED_REF, NULL);
+		BUG_ON(ret);
+	}
+
+	if (!last_ref)
+		return;
+
+	block_rsv = get_block_rsv(trans, root);
+	cache = btrfs_lookup_block_group(root->fs_info, buf->start);
+	BUG_ON(block_rsv->space_info != cache->space_info);
+
+	if (btrfs_header_generation(buf) == trans->transid) {
+		if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
+			ret = check_ref_cleanup(trans, root, buf->start);
+			if (!ret)
+				goto pin;
+		}
+
+		if (btrfs_header_flag(buf, BTRFS_HEADER_FLAG_WRITTEN)) {
+			pin_down_extent(root, cache, buf->start, buf->len, 1);
+			goto pin;
+		}
+
+		WARN_ON(test_bit(EXTENT_BUFFER_DIRTY, &buf->bflags));
+
+		btrfs_add_free_space(cache, buf->start, buf->len);
+		ret = update_reserved_bytes(cache, buf->len, 0, 0);
+		if (ret == -EAGAIN) {
+			/* block group became read-only */
+			update_reserved_bytes(cache, buf->len, 0, 1);
+			goto out;
+		}
+
+		ret = 1;
+		spin_lock(&block_rsv->lock);
+		if (block_rsv->reserved < block_rsv->size) {
+			block_rsv->reserved += buf->len;
+			ret = 0;
+		}
+		spin_unlock(&block_rsv->lock);
+
+		if (ret) {
+			spin_lock(&cache->space_info->lock);
+			cache->space_info->bytes_reserved -= buf->len;
+			spin_unlock(&cache->space_info->lock);
+		}
+		goto out;
+	}
+pin:
+	if (block_rsv->durable && !cache->ro) {
+		ret = 0;
+		spin_lock(&cache->lock);
+		if (!cache->ro) {
+			cache->reserved_pinned += buf->len;
+			ret = 1;
+		}
+		spin_unlock(&cache->lock);
+
+		if (ret) {
+			spin_lock(&block_rsv->lock);
+			block_rsv->freed[trans->transid & 0x1] += buf->len;
+			spin_unlock(&block_rsv->lock);
+		}
+	}
+out:
+	btrfs_put_block_group(cache);
+}
+
 int btrfs_free_extent(struct btrfs_trans_handle *trans,
 		      struct btrfs_root *root,
 		      u64 bytenr, u64 num_bytes, u64 parent,
@@ -4016,8 +4366,6 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans,
 					parent, root_objectid, (int)owner,
 					BTRFS_DROP_DELAYED_REF, NULL);
 		BUG_ON(ret);
-		ret = check_ref_cleanup(trans, root, bytenr);
-		BUG_ON(ret);
 	} else {
 		ret = btrfs_add_delayed_data_ref(trans, bytenr, num_bytes,
 					parent, root_objectid, owner,
@@ -4027,21 +4375,6 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans,
 	return ret;
 }
 
-int btrfs_free_tree_block(struct btrfs_trans_handle *trans,
-			  struct btrfs_root *root,
-			  u64 bytenr, u32 blocksize,
-			  u64 parent, u64 root_objectid, int level)
-{
-	u64 used;
-	spin_lock(&root->node_lock);
-	used = btrfs_root_used(&root->root_item) - blocksize;
-	btrfs_set_root_used(&root->root_item, used);
-	spin_unlock(&root->node_lock);
-
-	return btrfs_free_extent(trans, root, bytenr, blocksize,
-				 parent, root_objectid, level, 0);
-}
-
 static u64 stripe_align(struct btrfs_root *root, u64 val)
 {
 	u64 mask = ((u64)root->stripesize - 1);
@@ -4131,7 +4464,6 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
 				     u64 num_bytes, u64 empty_size,
 				     u64 search_start, u64 search_end,
 				     u64 hint_byte, struct btrfs_key *ins,
-				     u64 exclude_start, u64 exclude_nr,
 				     int data)
 {
 	int ret = 0;
@@ -4143,8 +4475,8 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
 	int done_chunk_alloc = 0;
 	struct btrfs_space_info *space_info;
 	int last_ptr_loop = 0;
-	int index = 0;
 	int loop = 0;
+	int index = 0;
 	bool found_uncached_bg = false;
 	bool failed_cluster_refill = false;
 	bool failed_alloc = false;
@@ -4415,23 +4747,6 @@ checks:
 			goto loop;
 		}
 
-		if (exclude_nr > 0 &&
-		    (search_start + num_bytes > exclude_start &&
-		     search_start < exclude_start + exclude_nr)) {
-			search_start = exclude_start + exclude_nr;
-
-			btrfs_add_free_space(block_group, offset, num_bytes);
-			/*
-			 * if search_start is still in this block group
-			 * then we just re-search this block group
-			 */
-			if (search_start >= block_group->key.objectid &&
-			    search_start < (block_group->key.objectid +
-					    block_group->key.offset))
-				goto have_block_group;
-			goto loop;
-		}
-
 		ins->objectid = search_start;
 		ins->offset = num_bytes;
 
@@ -4440,9 +4755,21 @@ checks:
 					     search_start - offset);
 		BUG_ON(offset > search_start);
 
-		update_reserved_extents(block_group, num_bytes, 1);
+		ret = update_reserved_bytes(block_group, num_bytes, 1,
+					    (data & BTRFS_BLOCK_GROUP_DATA));
+		if (ret == -EAGAIN) {
+			btrfs_add_free_space(block_group, offset, num_bytes);
+			goto loop;
+		}
 
 		/* we are all good, lets return */
+		ins->objectid = search_start;
+		ins->offset = num_bytes;
+
+		if (offset < search_start)
+			btrfs_add_free_space(block_group, offset,
+					     search_start - offset);
+		BUG_ON(offset > search_start);
 		break;
 loop:
 		failed_cluster_refill = false;
@@ -4616,9 +4943,8 @@ again:
 
 	WARN_ON(num_bytes < root->sectorsize);
 	ret = find_free_extent(trans, root, num_bytes, empty_size,
-			       search_start, search_end, hint_byte, ins,
-			       trans->alloc_exclude_start,
-			       trans->alloc_exclude_nr, data);
+			       search_start, search_end, hint_byte,
+			       ins, data);
 
 	if (ret == -ENOSPC && num_bytes > min_alloc_size) {
 		num_bytes = num_bytes >> 1;
@@ -4656,7 +4982,7 @@ int btrfs_free_reserved_extent(struct btrfs_root *root, u64 start, u64 len)
 	ret = btrfs_discard_extent(root, start, len);
 
 	btrfs_add_free_space(cache, start, len);
-	update_reserved_extents(cache, len, 0);
+	update_reserved_bytes(cache, len, 0, 1);
 	btrfs_put_block_group(cache);
 
 	return ret;
@@ -4719,8 +5045,7 @@ static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
 	btrfs_mark_buffer_dirty(path->nodes[0]);
 	btrfs_free_path(path);
 
-	ret = update_block_group(trans, root, ins->objectid, ins->offset,
-				 1, 0);
+	ret = update_block_group(trans, root, ins->objectid, ins->offset, 1);
 	if (ret) {
 		printk(KERN_ERR "btrfs update block group failed for %llu "
 		       "%llu\n", (unsigned long long)ins->objectid,
@@ -4780,8 +5105,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
 	btrfs_mark_buffer_dirty(leaf);
 	btrfs_free_path(path);
 
-	ret = update_block_group(trans, root, ins->objectid, ins->offset,
-				 1, 0);
+	ret = update_block_group(trans, root, ins->objectid, ins->offset, 1);
 	if (ret) {
 		printk(KERN_ERR "btrfs update block group failed for %llu "
 		       "%llu\n", (unsigned long long)ins->objectid,
@@ -4857,73 +5181,14 @@ int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
 		put_caching_control(caching_ctl);
 	}
 
-	update_reserved_extents(block_group, ins->offset, 1);
+	ret = update_reserved_bytes(block_group, ins->offset, 1, 1);
+	BUG_ON(ret);
 	btrfs_put_block_group(block_group);
 	ret = alloc_reserved_file_extent(trans, root, 0, root_objectid,
 					 0, owner, offset, ins, 1);
 	return ret;
 }
 
-/*
- * finds a free extent and does all the dirty work required for allocation
- * returns the key for the extent through ins, and a tree buffer for
- * the first block of the extent through buf.
- *
- * returns 0 if everything worked, non-zero otherwise.
- */
-static int alloc_tree_block(struct btrfs_trans_handle *trans,
-			    struct btrfs_root *root,
-			    u64 num_bytes, u64 parent, u64 root_objectid,
-			    struct btrfs_disk_key *key, int level,
-			    u64 empty_size, u64 hint_byte, u64 search_end,
-			    struct btrfs_key *ins)
-{
-	int ret;
-	u64 flags = 0;
-
-	ret = btrfs_reserve_extent(trans, root, num_bytes, num_bytes,
-				   empty_size, hint_byte, search_end,
-				   ins, 0);
-	if (ret)
-		return ret;
-
-	if (root_objectid == BTRFS_TREE_RELOC_OBJECTID) {
-		if (parent == 0)
-			parent = ins->objectid;
-		flags |= BTRFS_BLOCK_FLAG_FULL_BACKREF;
-	} else
-		BUG_ON(parent > 0);
-
-	if (root_objectid != BTRFS_TREE_LOG_OBJECTID) {
-		struct btrfs_delayed_extent_op *extent_op;
-		extent_op = kmalloc(sizeof(*extent_op), GFP_NOFS);
-		BUG_ON(!extent_op);
-		if (key)
-			memcpy(&extent_op->key, key, sizeof(extent_op->key));
-		else
-			memset(&extent_op->key, 0, sizeof(extent_op->key));
-		extent_op->flags_to_set = flags;
-		extent_op->update_key = 1;
-		extent_op->update_flags = 1;
-		extent_op->is_data = 0;
-
-		ret = btrfs_add_delayed_tree_ref(trans, ins->objectid,
-					ins->offset, parent, root_objectid,
-					level, BTRFS_ADD_DELAYED_EXTENT,
-					extent_op);
-		BUG_ON(ret);
-	}
-
-	if (root_objectid == root->root_key.objectid) {
-		u64 used;
-		spin_lock(&root->node_lock);
-		used = btrfs_root_used(&root->root_item) + num_bytes;
-		btrfs_set_root_used(&root->root_item, used);
-		spin_unlock(&root->node_lock);
-	}
-	return ret;
-}
-
 struct extent_buffer *btrfs_init_new_buffer(struct btrfs_trans_handle *trans,
 					    struct btrfs_root *root,
 					    u64 bytenr, u32 blocksize,
@@ -4962,8 +5227,45 @@ struct extent_buffer *btrfs_init_new_buffer(struct btrfs_trans_handle *trans,
 	return buf;
 }
 
+static struct btrfs_block_rsv *
+use_block_rsv(struct btrfs_trans_handle *trans,
+	      struct btrfs_root *root, u32 blocksize)
+{
+	struct btrfs_block_rsv *block_rsv;
+	int ret;
+
+	block_rsv = get_block_rsv(trans, root);
+
+	if (block_rsv->size == 0) {
+		ret = reserve_metadata_bytes(block_rsv, blocksize);
+		if (ret)
+			return ERR_PTR(ret);
+		return block_rsv;
+	}
+
+	ret = block_rsv_use_bytes(block_rsv, blocksize);
+	if (!ret)
+		return block_rsv;
+
+	WARN_ON(1);
+	printk(KERN_INFO"block_rsv size %llu reserved %llu freed %llu %llu\n",
+		block_rsv->size, block_rsv->reserved,
+		block_rsv->freed[0], block_rsv->freed[1]);
+
+	return ERR_PTR(-ENOSPC);
+}
+
+static void unuse_block_rsv(struct btrfs_block_rsv *block_rsv, u32 blocksize)
+{
+	block_rsv_add_bytes(block_rsv, blocksize, 0);
+	block_rsv_release_bytes(block_rsv, NULL, 0);
+}
+
 /*
- * helper function to allocate a block for a given tree
+ * finds a free extent and does all the dirty work required for allocation
+ * returns the key for the extent through ins, and a tree buffer for
+ * the first block of the extent through buf.
+ *
  * returns the tree buffer or NULL.
  */
 struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
@@ -4973,18 +5275,53 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
 					u64 hint, u64 empty_size)
 {
 	struct btrfs_key ins;
-	int ret;
+	struct btrfs_block_rsv *block_rsv;
 	struct extent_buffer *buf;
+	u64 flags = 0;
+	int ret;
 
-	ret = alloc_tree_block(trans, root, blocksize, parent, root_objectid,
-			       key, level, empty_size, hint, (u64)-1, &ins);
+
+	block_rsv = use_block_rsv(trans, root, blocksize);
+	if (IS_ERR(block_rsv))
+		return ERR_CAST(block_rsv);
+
+	ret = btrfs_reserve_extent(trans, root, blocksize, blocksize,
+				   empty_size, hint, (u64)-1, &ins, 0);
 	if (ret) {
-		BUG_ON(ret > 0);
+		unuse_block_rsv(block_rsv, blocksize);
 		return ERR_PTR(ret);
 	}
 
 	buf = btrfs_init_new_buffer(trans, root, ins.objectid,
 				    blocksize, level);
+	BUG_ON(IS_ERR(buf));
+
+	if (root_objectid == BTRFS_TREE_RELOC_OBJECTID) {
+		if (parent == 0)
+			parent = ins.objectid;
+		flags |= BTRFS_BLOCK_FLAG_FULL_BACKREF;
+	} else
+		BUG_ON(parent > 0);
+
+	if (root_objectid != BTRFS_TREE_LOG_OBJECTID) {
+		struct btrfs_delayed_extent_op *extent_op;
+		extent_op = kmalloc(sizeof(*extent_op), GFP_NOFS);
+		BUG_ON(!extent_op);
+		if (key)
+			memcpy(&extent_op->key, key, sizeof(extent_op->key));
+		else
+			memset(&extent_op->key, 0, sizeof(extent_op->key));
+		extent_op->flags_to_set = flags;
+		extent_op->update_key = 1;
+		extent_op->update_flags = 1;
+		extent_op->is_data = 0;
+
+		ret = btrfs_add_delayed_tree_ref(trans, ins.objectid,
+					ins.offset, parent, root_objectid,
+					level, BTRFS_ADD_DELAYED_EXTENT,
+					extent_op);
+		BUG_ON(ret);
+	}
 	return buf;
 }
 
@@ -5309,7 +5646,7 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
 				 struct btrfs_path *path,
 				 struct walk_control *wc)
 {
-	int ret = 0;
+	int ret;
 	int level = wc->level;
 	struct extent_buffer *eb = path->nodes[level];
 	u64 parent = 0;
@@ -5387,13 +5724,11 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
 			       btrfs_header_owner(path->nodes[level + 1]));
 	}
 
-	ret = btrfs_free_extent(trans, root, eb->start, eb->len, parent,
-				root->root_key.objectid, level, 0);
-	BUG_ON(ret);
+	btrfs_free_tree_block(trans, root, eb, parent, wc->refs[level] == 1);
 out:
 	wc->refs[level] = 0;
 	wc->flags[level] = 0;
-	return ret;
+	return 0;
 }
 
 static noinline int walk_down_tree(struct btrfs_trans_handle *trans,
@@ -7216,48 +7551,80 @@ static u64 update_block_group_flags(struct btrfs_root *root, u64 flags)
 	return flags;
 }
 
-static int __alloc_chunk_for_shrink(struct btrfs_root *root,
-		     struct btrfs_block_group_cache *shrink_block_group,
-		     int force)
+static int set_block_group_ro(struct btrfs_block_group_cache *cache)
 {
-	struct btrfs_trans_handle *trans;
-	u64 new_alloc_flags;
-	u64 calc;
+	struct btrfs_space_info *sinfo = cache->space_info;
+	u64 num_bytes;
+	int ret = -ENOSPC;
 
-	spin_lock(&shrink_block_group->lock);
-	if (btrfs_block_group_used(&shrink_block_group->item) +
-	    shrink_block_group->reserved > 0) {
-		spin_unlock(&shrink_block_group->lock);
+	if (cache->ro)
+		return 0;
 
-		trans = btrfs_start_transaction(root, 1);
-		spin_lock(&shrink_block_group->lock);
+	spin_lock(&sinfo->lock);
+	spin_lock(&cache->lock);
+	num_bytes = cache->key.offset - cache->reserved - cache->pinned -
+		    cache->bytes_super - btrfs_block_group_used(&cache->item);
 
-		new_alloc_flags = update_block_group_flags(root,
-						   shrink_block_group->flags);
-		if (new_alloc_flags != shrink_block_group->flags) {
-			calc =
-			     btrfs_block_group_used(&shrink_block_group->item);
-		} else {
-			calc = shrink_block_group->key.offset;
-		}
-		spin_unlock(&shrink_block_group->lock);
-
-		do_chunk_alloc(trans, root->fs_info->extent_root,
-			       calc + 2 * 1024 * 1024, new_alloc_flags, force);
-
-		btrfs_end_transaction(trans, root);
-	} else
-		spin_unlock(&shrink_block_group->lock);
-	return 0;
+	if (sinfo->bytes_used + sinfo->bytes_reserved + sinfo->bytes_pinned +
+	    sinfo->bytes_may_use + sinfo->bytes_readonly +
+	    cache->reserved_pinned + num_bytes < sinfo->total_bytes) {
+		sinfo->bytes_readonly += num_bytes;
+		sinfo->bytes_reserved += cache->reserved_pinned;
+		cache->reserved_pinned = 0;
+		cache->ro = 1;
+		ret = 0;
+	}
+	spin_unlock(&cache->lock);
+	spin_unlock(&sinfo->lock);
+	return ret;
 }
 
-
-int btrfs_prepare_block_group_relocation(struct btrfs_root *root,
-					 struct btrfs_block_group_cache *group)
+int btrfs_set_block_group_ro(struct btrfs_root *root,
+			     struct btrfs_block_group_cache *cache)
 
 {
-	__alloc_chunk_for_shrink(root, group, 1);
-	set_block_group_readonly(group);
+	struct btrfs_trans_handle *trans;
+	u64 alloc_flags;
+	int ret;
+
+	BUG_ON(cache->ro);
+
+	trans = btrfs_join_transaction(root, 1);
+	BUG_ON(IS_ERR(trans));
+
+	alloc_flags = update_block_group_flags(root, cache->flags);
+	if (alloc_flags != cache->flags)
+		do_chunk_alloc(trans, root, 2 * 1024 * 1024, alloc_flags, 1);
+
+	ret = set_block_group_ro(cache);
+	if (!ret)
+		goto out;
+	alloc_flags = get_alloc_profile(root, cache->space_info->flags);
+	ret = do_chunk_alloc(trans, root, 2 * 1024 * 1024, alloc_flags, 1);
+	if (ret < 0)
+		goto out;
+	ret = set_block_group_ro(cache);
+out:
+	btrfs_end_transaction(trans, root);
+	return ret;
+}
+
+int btrfs_set_block_group_rw(struct btrfs_root *root,
+			      struct btrfs_block_group_cache *cache)
+{
+	struct btrfs_space_info *sinfo = cache->space_info;
+	u64 num_bytes;
+
+	BUG_ON(!cache->ro);
+
+	spin_lock(&sinfo->lock);
+	spin_lock(&cache->lock);
+	num_bytes = cache->key.offset - cache->reserved - cache->pinned -
+		    cache->bytes_super - btrfs_block_group_used(&cache->item);
+	sinfo->bytes_readonly -= num_bytes;
+	cache->ro = 0;
+	spin_unlock(&cache->lock);
+	spin_unlock(&sinfo->lock);
 	return 0;
 }
 
@@ -7428,7 +7795,11 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
 		space_info = list_entry(info->space_info.next,
 					struct btrfs_space_info,
 					list);
-
+		if (space_info->bytes_pinned > 0 ||
+		    space_info->bytes_reserved > 0) {
+			WARN_ON(1);
+			dump_space_info(space_info, 0, 0);
+		}
 		list_del(&space_info->list);
 		kfree(space_info);
 	}
@@ -7476,7 +7847,7 @@ int btrfs_read_block_groups(struct btrfs_root *root)
 		cache = kzalloc(sizeof(*cache), GFP_NOFS);
 		if (!cache) {
 			ret = -ENOMEM;
-			break;
+			goto error;
 		}
 
 		atomic_set(&cache->count, 1);
@@ -7533,7 +7904,7 @@ int btrfs_read_block_groups(struct btrfs_root *root)
 		BUG_ON(ret);
 		cache->space_info = space_info;
 		spin_lock(&cache->space_info->lock);
-		cache->space_info->bytes_super += cache->bytes_super;
+		cache->space_info->bytes_readonly += cache->bytes_super;
 		spin_unlock(&cache->space_info->lock);
 
 		__link_block_group(space_info, cache);
@@ -7543,7 +7914,7 @@ int btrfs_read_block_groups(struct btrfs_root *root)
 
 		set_avail_alloc_bits(root->fs_info, cache->flags);
 		if (btrfs_chunk_readonly(root, cache->key.objectid))
-			set_block_group_readonly(cache);
+			set_block_group_ro(cache);
 	}
 
 	list_for_each_entry_rcu(space_info, &root->fs_info->space_info, list) {
@@ -7557,10 +7928,12 @@ int btrfs_read_block_groups(struct btrfs_root *root)
 		 * mirrored block groups.
 		 */
 		list_for_each_entry(cache, &space_info->block_groups[3], list)
-			set_block_group_readonly(cache);
+			set_block_group_ro(cache);
 		list_for_each_entry(cache, &space_info->block_groups[4], list)
-			set_block_group_readonly(cache);
+			set_block_group_ro(cache);
 	}
+
+	init_global_block_rsv(info);
 	ret = 0;
 error:
 	btrfs_free_path(path);
@@ -7621,7 +7994,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans,
 	BUG_ON(ret);
 
 	spin_lock(&cache->space_info->lock);
-	cache->space_info->bytes_super += cache->bytes_super;
+	cache->space_info->bytes_readonly += cache->bytes_super;
 	spin_unlock(&cache->space_info->lock);
 
 	__link_block_group(cache->space_info, cache);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index e558dd941de..d565b45a635 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -3514,6 +3514,7 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
 	struct btrfs_fs_info *fs_info = extent_root->fs_info;
 	struct reloc_control *rc;
 	int ret;
+	int rw = 0;
 	int err = 0;
 
 	rc = kzalloc(sizeof(*rc), GFP_NOFS);
@@ -3524,15 +3525,22 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
 	extent_io_tree_init(&rc->processed_blocks, NULL, GFP_NOFS);
 	INIT_LIST_HEAD(&rc->reloc_roots);
 
+	rc->extent_root = extent_root;
 	rc->block_group = btrfs_lookup_block_group(fs_info, group_start);
 	BUG_ON(!rc->block_group);
 
+	if (!rc->block_group->ro) {
+		ret = btrfs_set_block_group_ro(extent_root, rc->block_group);
+		if (ret) {
+			err = ret;
+			goto out;
+		}
+		rw = 1;
+	}
+
 	btrfs_init_workers(&rc->workers, "relocate",
 			   fs_info->thread_pool_size, NULL);
 
-	rc->extent_root = extent_root;
-	btrfs_prepare_block_group_relocation(extent_root, rc->block_group);
-
 	rc->data_inode = create_reloc_inode(fs_info, rc->block_group);
 	if (IS_ERR(rc->data_inode)) {
 		err = PTR_ERR(rc->data_inode);
@@ -3597,6 +3605,8 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
 	WARN_ON(rc->block_group->reserved > 0);
 	WARN_ON(btrfs_block_group_used(&rc->block_group->item) > 0);
 out:
+	if (err && rw)
+		btrfs_set_block_group_rw(extent_root, rc->block_group);
 	iput(rc->data_inode);
 	btrfs_stop_workers(&rc->workers);
 	btrfs_put_block_group(rc->block_group);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 2cb116099b9..21ad37c0519 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -185,9 +185,8 @@ static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
 	h->blocks_reserved = num_blocks;
 	h->blocks_used = 0;
 	h->block_group = 0;
-	h->alloc_exclude_nr = 0;
-	h->alloc_exclude_start = 0;
 	h->delayed_ref_updates = 0;
+	h->block_rsv = NULL;
 
 	if (!current->journal_info && type != TRANS_USERSPACE)
 		current->journal_info = h;
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 93c7ccb3311..56e728d70e3 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -45,13 +45,13 @@ struct btrfs_transaction {
 
 struct btrfs_trans_handle {
 	u64 transid;
+	u64 block_group;
+	u64 bytes_reserved;
 	unsigned long blocks_reserved;
 	unsigned long blocks_used;
-	struct btrfs_transaction *transaction;
-	u64 block_group;
-	u64 alloc_exclude_start;
-	u64 alloc_exclude_nr;
 	unsigned long delayed_ref_updates;
+	struct btrfs_transaction *transaction;
+	struct btrfs_block_rsv *block_rsv;
 };
 
 struct btrfs_pending_snapshot {

From a22285a6a32390195235171b89d157ed1a1fe932 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:48:46 -0400
Subject: [PATCH 2963/3638] Btrfs: Integrate metadata reservation with
 start_transaction

Besides simplify the code, this change makes sure all metadata
reservation for normal metadata operations are released after
committing transaction.

Changes since V1:

Add code that check if unlink and rmdir will free space.

Add ENOSPC handling for clone ioctl.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.h       |  20 +-
 fs/btrfs/delayed-ref.c | 101 ----------
 fs/btrfs/delayed-ref.h |   3 -
 fs/btrfs/disk-io.c     |   6 +-
 fs/btrfs/extent-tree.c | 283 ++++++++++++++++------------
 fs/btrfs/file.c        |  13 +-
 fs/btrfs/inode-item.c  |  27 +++
 fs/btrfs/inode.c       | 405 ++++++++++++++++++++++++++---------------
 fs/btrfs/ioctl.c       | 163 +++++++++--------
 fs/btrfs/relocation.c  |  18 +-
 fs/btrfs/super.c       |   2 +-
 fs/btrfs/transaction.c | 137 +++++++++-----
 fs/btrfs/transaction.h |  13 +-
 fs/btrfs/volumes.c     |  17 +-
 fs/btrfs/xattr.c       |  12 +-
 15 files changed, 685 insertions(+), 535 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7d2479694a5..e0aa9fb563e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -34,6 +34,7 @@
 
 struct btrfs_trans_handle;
 struct btrfs_transaction;
+struct btrfs_pending_snapshot;
 extern struct kmem_cache *btrfs_trans_handle_cachep;
 extern struct kmem_cache *btrfs_transaction_cachep;
 extern struct kmem_cache *btrfs_bit_radix_cachep;
@@ -970,6 +971,7 @@ struct btrfs_fs_info {
 	int do_barriers;
 	int closing;
 	int log_root_recovering;
+	int enospc_unlink;
 
 	u64 total_pinned;
 
@@ -1995,6 +1997,9 @@ void btrfs_put_block_group(struct btrfs_block_group_cache *cache);
 int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
 			   struct btrfs_root *root, unsigned long count);
 int btrfs_lookup_extent(struct btrfs_root *root, u64 start, u64 len);
+int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
+			     struct btrfs_root *root, u64 bytenr,
+			     u64 num_bytes, u64 *refs, u64 *flags);
 int btrfs_pin_extent(struct btrfs_root *root,
 		     u64 bytenr, u64 num, int reserved);
 int btrfs_drop_leaf_ref(struct btrfs_trans_handle *trans,
@@ -2075,8 +2080,6 @@ u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags);
 void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde);
 void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
 
-int btrfs_reserve_metadata_space(struct btrfs_root *root, int num_items);
-int btrfs_unreserve_metadata_space(struct btrfs_root *root, int num_items);
 int btrfs_unreserve_metadata_for_delalloc(struct btrfs_root *root,
 					  struct inode *inode, int num_items);
 int btrfs_reserve_metadata_for_delalloc(struct btrfs_root *root,
@@ -2089,6 +2092,13 @@ void btrfs_delalloc_reserve_space(struct btrfs_root *root, struct inode *inode,
 				 u64 bytes);
 void btrfs_delalloc_free_space(struct btrfs_root *root, struct inode *inode,
 			      u64 bytes);
+int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans,
+				struct btrfs_root *root,
+				int num_items, int *retries);
+void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
+				struct btrfs_root *root);
+int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans,
+				struct btrfs_pending_snapshot *pending);
 void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv);
 struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root);
 void btrfs_free_block_rsv(struct btrfs_root *root,
@@ -2296,6 +2306,12 @@ int btrfs_del_inode_ref(struct btrfs_trans_handle *trans,
 			   struct btrfs_root *root,
 			   const char *name, int name_len,
 			   u64 inode_objectid, u64 ref_objectid, u64 *index);
+struct btrfs_inode_ref *
+btrfs_lookup_inode_ref(struct btrfs_trans_handle *trans,
+			struct btrfs_root *root,
+			struct btrfs_path *path,
+			const char *name, int name_len,
+			u64 inode_objectid, u64 ref_objectid, int mod);
 int btrfs_insert_empty_inode(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root,
 			     struct btrfs_path *path, u64 objectid);
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 902ce507c4e..e807b143b85 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -318,107 +318,6 @@ out:
 	return ret;
 }
 
-/*
- * helper function to lookup reference count and flags of extent.
- *
- * the head node for delayed ref is used to store the sum of all the
- * reference count modifications queued up in the rbtree. the head
- * node may also store the extent flags to set. This way you can check
- * to see what the reference count and extent flags would be if all of
- * the delayed refs are not processed.
- */
-int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
-			     struct btrfs_root *root, u64 bytenr,
-			     u64 num_bytes, u64 *refs, u64 *flags)
-{
-	struct btrfs_delayed_ref_node *ref;
-	struct btrfs_delayed_ref_head *head;
-	struct btrfs_delayed_ref_root *delayed_refs;
-	struct btrfs_path *path;
-	struct btrfs_extent_item *ei;
-	struct extent_buffer *leaf;
-	struct btrfs_key key;
-	u32 item_size;
-	u64 num_refs;
-	u64 extent_flags;
-	int ret;
-
-	path = btrfs_alloc_path();
-	if (!path)
-		return -ENOMEM;
-
-	key.objectid = bytenr;
-	key.type = BTRFS_EXTENT_ITEM_KEY;
-	key.offset = num_bytes;
-	delayed_refs = &trans->transaction->delayed_refs;
-again:
-	ret = btrfs_search_slot(trans, root->fs_info->extent_root,
-				&key, path, 0, 0);
-	if (ret < 0)
-		goto out;
-
-	if (ret == 0) {
-		leaf = path->nodes[0];
-		item_size = btrfs_item_size_nr(leaf, path->slots[0]);
-		if (item_size >= sizeof(*ei)) {
-			ei = btrfs_item_ptr(leaf, path->slots[0],
-					    struct btrfs_extent_item);
-			num_refs = btrfs_extent_refs(leaf, ei);
-			extent_flags = btrfs_extent_flags(leaf, ei);
-		} else {
-#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
-			struct btrfs_extent_item_v0 *ei0;
-			BUG_ON(item_size != sizeof(*ei0));
-			ei0 = btrfs_item_ptr(leaf, path->slots[0],
-					     struct btrfs_extent_item_v0);
-			num_refs = btrfs_extent_refs_v0(leaf, ei0);
-			/* FIXME: this isn't correct for data */
-			extent_flags = BTRFS_BLOCK_FLAG_FULL_BACKREF;
-#else
-			BUG();
-#endif
-		}
-		BUG_ON(num_refs == 0);
-	} else {
-		num_refs = 0;
-		extent_flags = 0;
-		ret = 0;
-	}
-
-	spin_lock(&delayed_refs->lock);
-	ref = find_ref_head(&delayed_refs->root, bytenr, NULL);
-	if (ref) {
-		head = btrfs_delayed_node_to_head(ref);
-		if (!mutex_trylock(&head->mutex)) {
-			atomic_inc(&ref->refs);
-			spin_unlock(&delayed_refs->lock);
-
-			btrfs_release_path(root->fs_info->extent_root, path);
-
-			mutex_lock(&head->mutex);
-			mutex_unlock(&head->mutex);
-			btrfs_put_delayed_ref(ref);
-			goto again;
-		}
-		if (head->extent_op && head->extent_op->update_flags)
-			extent_flags |= head->extent_op->flags_to_set;
-		else
-			BUG_ON(num_refs == 0);
-
-		num_refs += ref->ref_mod;
-		mutex_unlock(&head->mutex);
-	}
-	WARN_ON(num_refs == 0);
-	if (refs)
-		*refs = num_refs;
-	if (flags)
-		*flags = extent_flags;
-out:
-	spin_unlock(&delayed_refs->lock);
-	btrfs_free_path(path);
-	return ret;
-}
-
 /*
  * helper function to update an extent delayed ref in the
  * rbtree.  existing and update must both have the same
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index f6fc67ddad3..50e3cf92fbd 100644
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -167,9 +167,6 @@ int btrfs_add_delayed_extent_op(struct btrfs_trans_handle *trans,
 struct btrfs_delayed_ref_head *
 btrfs_find_delayed_ref_head(struct btrfs_trans_handle *trans, u64 bytenr);
 int btrfs_delayed_ref_pending(struct btrfs_trans_handle *trans, u64 bytenr);
-int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
-			     struct btrfs_root *root, u64 bytenr,
-			     u64 num_bytes, u64 *refs, u64 *flags);
 int btrfs_update_delayed_ref(struct btrfs_trans_handle *trans,
 			  u64 bytenr, u64 num_bytes, u64 orig_parent,
 			  u64 parent, u64 orig_ref_root, u64 ref_root,
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 574594cf6b5..054b4475c75 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1522,7 +1522,7 @@ static int transaction_kthread(void *arg)
 			goto sleep;
 		}
 		mutex_unlock(&root->fs_info->trans_mutex);
-		trans = btrfs_start_transaction(root, 1);
+		trans = btrfs_join_transaction(root, 1);
 		ret = btrfs_commit_transaction(trans, root);
 
 sleep:
@@ -2409,11 +2409,11 @@ int btrfs_commit_super(struct btrfs_root *root)
 	down_write(&root->fs_info->cleanup_work_sem);
 	up_write(&root->fs_info->cleanup_work_sem);
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_join_transaction(root, 1);
 	ret = btrfs_commit_transaction(trans, root);
 	BUG_ON(ret);
 	/* run commit again to drop the original snapshot */
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_join_transaction(root, 1);
 	btrfs_commit_transaction(trans, root);
 	ret = btrfs_write_and_wait_transaction(NULL, root);
 	BUG_ON(ret);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 3367278ac6a..657df6e002d 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -615,6 +615,113 @@ int btrfs_lookup_extent(struct btrfs_root *root, u64 start, u64 len)
 	return ret;
 }
 
+/*
+ * helper function to lookup reference count and flags of extent.
+ *
+ * the head node for delayed ref is used to store the sum of all the
+ * reference count modifications queued up in the rbtree. the head
+ * node may also store the extent flags to set. This way you can check
+ * to see what the reference count and extent flags would be if all of
+ * the delayed refs are not processed.
+ */
+int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
+			     struct btrfs_root *root, u64 bytenr,
+			     u64 num_bytes, u64 *refs, u64 *flags)
+{
+	struct btrfs_delayed_ref_head *head;
+	struct btrfs_delayed_ref_root *delayed_refs;
+	struct btrfs_path *path;
+	struct btrfs_extent_item *ei;
+	struct extent_buffer *leaf;
+	struct btrfs_key key;
+	u32 item_size;
+	u64 num_refs;
+	u64 extent_flags;
+	int ret;
+
+	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
+
+	key.objectid = bytenr;
+	key.type = BTRFS_EXTENT_ITEM_KEY;
+	key.offset = num_bytes;
+	if (!trans) {
+		path->skip_locking = 1;
+		path->search_commit_root = 1;
+	}
+again:
+	ret = btrfs_search_slot(trans, root->fs_info->extent_root,
+				&key, path, 0, 0);
+	if (ret < 0)
+		goto out_free;
+
+	if (ret == 0) {
+		leaf = path->nodes[0];
+		item_size = btrfs_item_size_nr(leaf, path->slots[0]);
+		if (item_size >= sizeof(*ei)) {
+			ei = btrfs_item_ptr(leaf, path->slots[0],
+					    struct btrfs_extent_item);
+			num_refs = btrfs_extent_refs(leaf, ei);
+			extent_flags = btrfs_extent_flags(leaf, ei);
+		} else {
+#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
+			struct btrfs_extent_item_v0 *ei0;
+			BUG_ON(item_size != sizeof(*ei0));
+			ei0 = btrfs_item_ptr(leaf, path->slots[0],
+					     struct btrfs_extent_item_v0);
+			num_refs = btrfs_extent_refs_v0(leaf, ei0);
+			/* FIXME: this isn't correct for data */
+			extent_flags = BTRFS_BLOCK_FLAG_FULL_BACKREF;
+#else
+			BUG();
+#endif
+		}
+		BUG_ON(num_refs == 0);
+	} else {
+		num_refs = 0;
+		extent_flags = 0;
+		ret = 0;
+	}
+
+	if (!trans)
+		goto out;
+
+	delayed_refs = &trans->transaction->delayed_refs;
+	spin_lock(&delayed_refs->lock);
+	head = btrfs_find_delayed_ref_head(trans, bytenr);
+	if (head) {
+		if (!mutex_trylock(&head->mutex)) {
+			atomic_inc(&head->node.refs);
+			spin_unlock(&delayed_refs->lock);
+
+			btrfs_release_path(root->fs_info->extent_root, path);
+
+			mutex_lock(&head->mutex);
+			mutex_unlock(&head->mutex);
+			btrfs_put_delayed_ref(&head->node);
+			goto again;
+		}
+		if (head->extent_op && head->extent_op->update_flags)
+			extent_flags |= head->extent_op->flags_to_set;
+		else
+			BUG_ON(num_refs == 0);
+
+		num_refs += head->node.ref_mod;
+		mutex_unlock(&head->mutex);
+	}
+	spin_unlock(&delayed_refs->lock);
+out:
+	WARN_ON(num_refs == 0);
+	if (refs)
+		*refs = num_refs;
+	if (flags)
+		*flags = extent_flags;
+out_free:
+	btrfs_free_path(path);
+	return ret;
+}
+
 /*
  * Back reference rules.  Back refs have three main goals:
  *
@@ -2948,113 +3055,6 @@ again:
 	return 0;
 }
 
-/*
- * unreserve num_items number of items worth of metadata space.  This needs to
- * be paired with btrfs_reserve_metadata_space.
- *
- * NOTE: if you have the option, run this _AFTER_ you do a
- * btrfs_end_transaction, since btrfs_end_transaction will run delayed ref
- * oprations which will result in more used metadata, so we want to make sure we
- * can do that without issue.
- */
-int btrfs_unreserve_metadata_space(struct btrfs_root *root, int num_items)
-{
-	struct btrfs_fs_info *info = root->fs_info;
-	struct btrfs_space_info *meta_sinfo;
-	u64 num_bytes;
-	u64 alloc_target;
-	bool bug = false;
-
-	/* get the space info for where the metadata will live */
-	alloc_target = btrfs_get_alloc_profile(root, 0);
-	meta_sinfo = __find_space_info(info, alloc_target);
-
-	num_bytes = calculate_bytes_needed(root, num_items);
-
-	spin_lock(&meta_sinfo->lock);
-	if (meta_sinfo->bytes_may_use < num_bytes) {
-		bug = true;
-		meta_sinfo->bytes_may_use = 0;
-	} else {
-		meta_sinfo->bytes_may_use -= num_bytes;
-	}
-	spin_unlock(&meta_sinfo->lock);
-
-	BUG_ON(bug);
-
-	return 0;
-}
-
-/*
- * Reserve some metadata space for use.  We'll calculate the worste case number
- * of bytes that would be needed to modify num_items number of items.  If we
- * have space, fantastic, if not, you get -ENOSPC.  Please call
- * btrfs_unreserve_metadata_space when you are done for the _SAME_ number of
- * items you reserved, since whatever metadata you needed should have already
- * been allocated.
- *
- * This will commit the transaction to make more space if we don't have enough
- * metadata space.  THe only time we don't do this is if we're reserving space
- * inside of a transaction, then we will just return -ENOSPC and it is the
- * callers responsibility to handle it properly.
- */
-int btrfs_reserve_metadata_space(struct btrfs_root *root, int num_items)
-{
-	struct btrfs_fs_info *info = root->fs_info;
-	struct btrfs_space_info *meta_sinfo;
-	u64 num_bytes;
-	u64 used;
-	u64 alloc_target;
-	int retries = 0;
-
-	/* get the space info for where the metadata will live */
-	alloc_target = btrfs_get_alloc_profile(root, 0);
-	meta_sinfo = __find_space_info(info, alloc_target);
-
-	num_bytes = calculate_bytes_needed(root, num_items);
-again:
-	spin_lock(&meta_sinfo->lock);
-
-	if (unlikely(!meta_sinfo->bytes_root))
-		meta_sinfo->bytes_root = calculate_bytes_needed(root, 6);
-
-	if (!retries)
-		meta_sinfo->bytes_may_use += num_bytes;
-
-	used = meta_sinfo->bytes_used + meta_sinfo->bytes_reserved +
-		meta_sinfo->bytes_pinned + meta_sinfo->bytes_readonly +
-		meta_sinfo->bytes_super + meta_sinfo->bytes_root +
-		meta_sinfo->bytes_may_use + meta_sinfo->bytes_delalloc;
-
-	if (used > meta_sinfo->total_bytes) {
-		retries++;
-		if (retries == 1) {
-			if (maybe_allocate_chunk(NULL, root, meta_sinfo,
-						 num_bytes))
-				goto again;
-			retries++;
-		} else {
-			spin_unlock(&meta_sinfo->lock);
-		}
-
-		if (retries == 2) {
-			shrink_delalloc(NULL, root, meta_sinfo, num_bytes);
-			goto again;
-		}
-		spin_lock(&meta_sinfo->lock);
-		meta_sinfo->bytes_may_use -= num_bytes;
-		spin_unlock(&meta_sinfo->lock);
-
-		dump_space_info(meta_sinfo, 0, 0);
-		return -ENOSPC;
-	}
-
-	check_force_delalloc(meta_sinfo);
-	spin_unlock(&meta_sinfo->lock);
-
-	return 0;
-}
-
 /*
  * This will check the space that the inode allocates from to make sure we have
  * enough space for bytes.
@@ -3095,9 +3095,9 @@ again:
 			spin_unlock(&data_sinfo->lock);
 alloc:
 			alloc_target = btrfs_get_alloc_profile(root, 1);
-			trans = btrfs_start_transaction(root, 1);
-			if (!trans)
-				return -ENOMEM;
+			trans = btrfs_join_transaction(root, 1);
+			if (IS_ERR(trans))
+				return PTR_ERR(trans);
 
 			ret = do_chunk_alloc(trans, root->fs_info->extent_root,
 					     bytes + 2 * 1024 * 1024,
@@ -3118,8 +3118,8 @@ alloc:
 		if (!committed && !root->fs_info->open_ioctl_trans) {
 			committed = 1;
 			trans = btrfs_join_transaction(root, 1);
-			if (!trans)
-				return -ENOMEM;
+			if (IS_ERR(trans))
+				return PTR_ERR(trans);
 			ret = btrfs_commit_transaction(trans, root);
 			if (ret)
 				return ret;
@@ -3701,6 +3701,59 @@ static void init_global_block_rsv(struct btrfs_fs_info *fs_info)
 	fs_info->chunk_root->block_rsv = &fs_info->chunk_block_rsv;
 }
 
+static u64 calc_trans_metadata_size(struct btrfs_root *root, int num_items)
+{
+	return (root->leafsize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
+		3 * num_items;
+}
+
+int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans,
+				 struct btrfs_root *root,
+				 int num_items, int *retries)
+{
+	u64 num_bytes;
+	int ret;
+
+	if (num_items == 0 || root->fs_info->chunk_root == root)
+		return 0;
+
+	num_bytes = calc_trans_metadata_size(root, num_items);
+	ret = btrfs_block_rsv_add(trans, root, &root->fs_info->trans_block_rsv,
+				  num_bytes, retries);
+	if (!ret) {
+		trans->bytes_reserved += num_bytes;
+		trans->block_rsv = &root->fs_info->trans_block_rsv;
+	}
+	return ret;
+}
+
+void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
+				  struct btrfs_root *root)
+{
+	if (!trans->bytes_reserved)
+		return;
+
+	BUG_ON(trans->block_rsv != &root->fs_info->trans_block_rsv);
+	btrfs_block_rsv_release(root, trans->block_rsv,
+				trans->bytes_reserved);
+	trans->bytes_reserved = 0;
+}
+
+int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans,
+				struct btrfs_pending_snapshot *pending)
+{
+	struct btrfs_root *root = pending->root;
+	struct btrfs_block_rsv *src_rsv = get_block_rsv(trans, root);
+	struct btrfs_block_rsv *dst_rsv = &pending->block_rsv;
+	/*
+	 * two for root back/forward refs, two for directory entries
+	 * and one for root of the snapshot.
+	 */
+	u64 num_bytes = calc_trans_metadata_size(root, 5);
+	dst_rsv->space_info = src_rsv->space_info;
+	return block_rsv_migrate_bytes(src_rsv, dst_rsv, num_bytes);
+}
+
 static int update_block_group(struct btrfs_trans_handle *trans,
 			      struct btrfs_root *root,
 			      u64 bytenr, u64 num_bytes, int alloc)
@@ -5824,7 +5877,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref)
 	wc = kzalloc(sizeof(*wc), GFP_NOFS);
 	BUG_ON(!wc);
 
-	trans = btrfs_start_transaction(tree_root, 1);
+	trans = btrfs_start_transaction(tree_root, 0);
 
 	if (btrfs_disk_key_objectid(&root_item->drop_progress) == 0) {
 		level = btrfs_header_level(root->node);
@@ -5920,7 +5973,9 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref)
 			BUG_ON(ret);
 
 			btrfs_end_transaction(trans, tree_root);
-			trans = btrfs_start_transaction(tree_root, 1);
+			trans = btrfs_start_transaction(tree_root, 0);
+			if (IS_ERR(trans))
+				return PTR_ERR(trans);
 		} else {
 			unsigned long update;
 			update = trans->delayed_ref_updates;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 29ff749ff4c..41e09e24e29 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -126,8 +126,7 @@ static noinline int dirty_and_release_pages(struct btrfs_trans_handle *trans,
 	end_of_last_block = start_pos + num_bytes - 1;
 	err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block,
 					NULL);
-	if (err)
-		return err;
+	BUG_ON(err);
 
 	for (i = 0; i < num_pages; i++) {
 		struct page *p = pages[i];
@@ -142,7 +141,7 @@ static noinline int dirty_and_release_pages(struct btrfs_trans_handle *trans,
 		 * at this time.
 		 */
 	}
-	return err;
+	return 0;
 }
 
 /*
@@ -1008,7 +1007,7 @@ out_nolock:
 			num_written = err;
 
 		if ((file->f_flags & O_DSYNC) || IS_SYNC(inode)) {
-			trans = btrfs_start_transaction(root, 1);
+			trans = btrfs_start_transaction(root, 0);
 			ret = btrfs_log_dentry_safe(trans, root,
 						    file->f_dentry);
 			if (ret == 0) {
@@ -1104,9 +1103,9 @@ int btrfs_sync_file(struct file *file, struct dentry *dentry, int datasync)
 	if (file && file->private_data)
 		btrfs_ioctl_trans_end(file);
 
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans) {
-		ret = -ENOMEM;
+	trans = btrfs_start_transaction(root, 0);
+	if (IS_ERR(trans)) {
+		ret = PTR_ERR(trans);
 		goto out;
 	}
 
diff --git a/fs/btrfs/inode-item.c b/fs/btrfs/inode-item.c
index 72ce3c173d6..64f1150bb48 100644
--- a/fs/btrfs/inode-item.c
+++ b/fs/btrfs/inode-item.c
@@ -49,6 +49,33 @@ static int find_name_in_backref(struct btrfs_path *path, const char *name,
 	return 0;
 }
 
+struct btrfs_inode_ref *
+btrfs_lookup_inode_ref(struct btrfs_trans_handle *trans,
+			struct btrfs_root *root,
+			struct btrfs_path *path,
+			const char *name, int name_len,
+			u64 inode_objectid, u64 ref_objectid, int mod)
+{
+	struct btrfs_key key;
+	struct btrfs_inode_ref *ref;
+	int ins_len = mod < 0 ? -1 : 0;
+	int cow = mod != 0;
+	int ret;
+
+	key.objectid = inode_objectid;
+	key.type = BTRFS_INODE_REF_KEY;
+	key.offset = ref_objectid;
+
+	ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow);
+	if (ret < 0)
+		return ERR_PTR(ret);
+	if (ret > 0)
+		return NULL;
+	if (!find_name_in_backref(path, name, name_len, &ref))
+		return NULL;
+	return ref;
+}
+
 int btrfs_del_inode_ref(struct btrfs_trans_handle *trans,
 			   struct btrfs_root *root,
 			   const char *name, int name_len,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f44425081c0..c4b0fd12df6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2135,7 +2135,7 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
 		 * do a destroy_inode
 		 */
 		if (is_bad_inode(inode)) {
-			trans = btrfs_start_transaction(root, 1);
+			trans = btrfs_start_transaction(root, 0);
 			btrfs_orphan_del(trans, inode);
 			btrfs_end_transaction(trans, root);
 			iput(inode);
@@ -2478,29 +2478,201 @@ out:
 	return ret;
 }
 
+/* helper to check if there is any shared block in the path */
+static int check_path_shared(struct btrfs_root *root,
+			     struct btrfs_path *path)
+{
+	struct extent_buffer *eb;
+	int level;
+	int ret;
+	u64 refs;
+
+	for (level = 0; level < BTRFS_MAX_LEVEL; level++) {
+		if (!path->nodes[level])
+			break;
+		eb = path->nodes[level];
+		if (!btrfs_block_can_be_shared(root, eb))
+			continue;
+		ret = btrfs_lookup_extent_info(NULL, root, eb->start, eb->len,
+					       &refs, NULL);
+		if (refs > 1)
+			return 1;
+	}
+	return 0;
+}
+
+/*
+ * helper to start transaction for unlink and rmdir.
+ *
+ * unlink and rmdir are special in btrfs, they do not always free space.
+ * so in enospc case, we should make sure they will free space before
+ * allowing them to use the global metadata reservation.
+ */
+static struct btrfs_trans_handle *__unlink_start_trans(struct inode *dir,
+						       struct dentry *dentry)
+{
+	struct btrfs_trans_handle *trans;
+	struct btrfs_root *root = BTRFS_I(dir)->root;
+	struct btrfs_path *path;
+	struct btrfs_inode_ref *ref;
+	struct btrfs_dir_item *di;
+	struct inode *inode = dentry->d_inode;
+	u64 index;
+	int check_link = 1;
+	int err = -ENOSPC;
+	int ret;
+
+	trans = btrfs_start_transaction(root, 10);
+	if (!IS_ERR(trans) || PTR_ERR(trans) != -ENOSPC)
+		return trans;
+
+	if (inode->i_ino == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)
+		return ERR_PTR(-ENOSPC);
+
+	/* check if there is someone else holds reference */
+	if (S_ISDIR(inode->i_mode) && atomic_read(&inode->i_count) > 1)
+		return ERR_PTR(-ENOSPC);
+
+	if (atomic_read(&inode->i_count) > 2)
+		return ERR_PTR(-ENOSPC);
+
+	if (xchg(&root->fs_info->enospc_unlink, 1))
+		return ERR_PTR(-ENOSPC);
+
+	path = btrfs_alloc_path();
+	if (!path) {
+		root->fs_info->enospc_unlink = 0;
+		return ERR_PTR(-ENOMEM);
+	}
+
+	trans = btrfs_start_transaction(root, 0);
+	if (IS_ERR(trans)) {
+		btrfs_free_path(path);
+		root->fs_info->enospc_unlink = 0;
+		return trans;
+	}
+
+	path->skip_locking = 1;
+	path->search_commit_root = 1;
+
+	ret = btrfs_lookup_inode(trans, root, path,
+				&BTRFS_I(dir)->location, 0);
+	if (ret < 0) {
+		err = ret;
+		goto out;
+	}
+	if (ret == 0) {
+		if (check_path_shared(root, path))
+			goto out;
+	} else {
+		check_link = 0;
+	}
+	btrfs_release_path(root, path);
+
+	ret = btrfs_lookup_inode(trans, root, path,
+				&BTRFS_I(inode)->location, 0);
+	if (ret < 0) {
+		err = ret;
+		goto out;
+	}
+	if (ret == 0) {
+		if (check_path_shared(root, path))
+			goto out;
+	} else {
+		check_link = 0;
+	}
+	btrfs_release_path(root, path);
+
+	if (ret == 0 && S_ISREG(inode->i_mode)) {
+		ret = btrfs_lookup_file_extent(trans, root, path,
+					       inode->i_ino, (u64)-1, 0);
+		if (ret < 0) {
+			err = ret;
+			goto out;
+		}
+		BUG_ON(ret == 0);
+		if (check_path_shared(root, path))
+			goto out;
+		btrfs_release_path(root, path);
+	}
+
+	if (!check_link) {
+		err = 0;
+		goto out;
+	}
+
+	di = btrfs_lookup_dir_item(trans, root, path, dir->i_ino,
+				dentry->d_name.name, dentry->d_name.len, 0);
+	if (IS_ERR(di)) {
+		err = PTR_ERR(di);
+		goto out;
+	}
+	if (di) {
+		if (check_path_shared(root, path))
+			goto out;
+	} else {
+		err = 0;
+		goto out;
+	}
+	btrfs_release_path(root, path);
+
+	ref = btrfs_lookup_inode_ref(trans, root, path,
+				dentry->d_name.name, dentry->d_name.len,
+				inode->i_ino, dir->i_ino, 0);
+	if (IS_ERR(ref)) {
+		err = PTR_ERR(ref);
+		goto out;
+	}
+	BUG_ON(!ref);
+	if (check_path_shared(root, path))
+		goto out;
+	index = btrfs_inode_ref_index(path->nodes[0], ref);
+	btrfs_release_path(root, path);
+
+	di = btrfs_lookup_dir_index_item(trans, root, path, dir->i_ino, index,
+				dentry->d_name.name, dentry->d_name.len, 0);
+	if (IS_ERR(di)) {
+		err = PTR_ERR(di);
+		goto out;
+	}
+	BUG_ON(ret == -ENOENT);
+	if (check_path_shared(root, path))
+		goto out;
+
+	err = 0;
+out:
+	btrfs_free_path(path);
+	if (err) {
+		btrfs_end_transaction(trans, root);
+		root->fs_info->enospc_unlink = 0;
+		return ERR_PTR(err);
+	}
+
+	trans->block_rsv = &root->fs_info->global_block_rsv;
+	return trans;
+}
+
+static void __unlink_end_trans(struct btrfs_trans_handle *trans,
+			       struct btrfs_root *root)
+{
+	if (trans->block_rsv == &root->fs_info->global_block_rsv) {
+		BUG_ON(!root->fs_info->enospc_unlink);
+		root->fs_info->enospc_unlink = 0;
+	}
+	btrfs_end_transaction_throttle(trans, root);
+}
+
 static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
 {
-	struct btrfs_root *root;
+	struct btrfs_root *root = BTRFS_I(dir)->root;
 	struct btrfs_trans_handle *trans;
 	struct inode *inode = dentry->d_inode;
 	int ret;
 	unsigned long nr = 0;
 
-	root = BTRFS_I(dir)->root;
-
-	/*
-	 * 5 items for unlink inode
-	 * 1 for orphan
-	 */
-	ret = btrfs_reserve_metadata_space(root, 6);
-	if (ret)
-		return ret;
-
-	trans = btrfs_start_transaction(root, 1);
-	if (IS_ERR(trans)) {
-		btrfs_unreserve_metadata_space(root, 6);
+	trans = __unlink_start_trans(dir, dentry);
+	if (IS_ERR(trans))
 		return PTR_ERR(trans);
-	}
 
 	btrfs_set_trans_block_group(trans, dir);
 
@@ -2508,14 +2680,15 @@ static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
 
 	ret = btrfs_unlink_inode(trans, root, dir, dentry->d_inode,
 				 dentry->d_name.name, dentry->d_name.len);
+	BUG_ON(ret);
 
-	if (inode->i_nlink == 0)
+	if (inode->i_nlink == 0) {
 		ret = btrfs_orphan_add(trans, inode);
+		BUG_ON(ret);
+	}
 
 	nr = trans->blocks_used;
-
-	btrfs_end_transaction_throttle(trans, root);
-	btrfs_unreserve_metadata_space(root, 6);
+	__unlink_end_trans(trans, root);
 	btrfs_btree_balance_dirty(root, nr);
 	return ret;
 }
@@ -2587,7 +2760,6 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
 {
 	struct inode *inode = dentry->d_inode;
 	int err = 0;
-	int ret;
 	struct btrfs_root *root = BTRFS_I(dir)->root;
 	struct btrfs_trans_handle *trans;
 	unsigned long nr = 0;
@@ -2596,15 +2768,9 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
 	    inode->i_ino == BTRFS_FIRST_FREE_OBJECTID)
 		return -ENOTEMPTY;
 
-	ret = btrfs_reserve_metadata_space(root, 5);
-	if (ret)
-		return ret;
-
-	trans = btrfs_start_transaction(root, 1);
-	if (IS_ERR(trans)) {
-		btrfs_unreserve_metadata_space(root, 5);
+	trans = __unlink_start_trans(dir, dentry);
+	if (IS_ERR(trans))
 		return PTR_ERR(trans);
-	}
 
 	btrfs_set_trans_block_group(trans, dir);
 
@@ -2627,12 +2793,9 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
 		btrfs_i_size_write(inode, 0);
 out:
 	nr = trans->blocks_used;
-	ret = btrfs_end_transaction_throttle(trans, root);
-	btrfs_unreserve_metadata_space(root, 5);
+	__unlink_end_trans(trans, root);
 	btrfs_btree_balance_dirty(root, nr);
 
-	if (ret && !err)
-		err = ret;
 	return err;
 }
 
@@ -3145,7 +3308,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t size)
 	struct btrfs_trans_handle *trans;
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
-	struct extent_map *em;
+	struct extent_map *em = NULL;
 	struct extent_state *cached_state = NULL;
 	u64 mask = root->sectorsize - 1;
 	u64 hole_start = (inode->i_size + mask) & ~mask;
@@ -3183,11 +3346,11 @@ int btrfs_cont_expand(struct inode *inode, loff_t size)
 			u64 hint_byte = 0;
 			hole_size = last_byte - cur_offset;
 
-			err = btrfs_reserve_metadata_space(root, 2);
-			if (err)
+			trans = btrfs_start_transaction(root, 2);
+			if (IS_ERR(trans)) {
+				err = PTR_ERR(trans);
 				break;
-
-			trans = btrfs_start_transaction(root, 1);
+			}
 			btrfs_set_trans_block_group(trans, inode);
 
 			err = btrfs_drop_extents(trans, inode, cur_offset,
@@ -3205,14 +3368,15 @@ int btrfs_cont_expand(struct inode *inode, loff_t size)
 					last_byte - 1, 0);
 
 			btrfs_end_transaction(trans, root);
-			btrfs_unreserve_metadata_space(root, 2);
 		}
 		free_extent_map(em);
+		em = NULL;
 		cur_offset = last_byte;
 		if (cur_offset >= block_end)
 			break;
 	}
 
+	free_extent_map(em);
 	unlock_extent_cached(io_tree, hole_start, block_end - 1, &cached_state,
 			     GFP_NOFS);
 	return err;
@@ -3239,10 +3403,6 @@ static int btrfs_setattr_size(struct inode *inode, struct iattr *attr)
 		}
 	}
 
-	ret = btrfs_reserve_metadata_space(root, 1);
-	if (ret)
-		return ret;
-
 	trans = btrfs_start_transaction(root, 1);
 	btrfs_set_trans_block_group(trans, inode);
 
@@ -3251,7 +3411,6 @@ static int btrfs_setattr_size(struct inode *inode, struct iattr *attr)
 
 	nr = trans->blocks_used;
 	btrfs_end_transaction(trans, root);
-	btrfs_unreserve_metadata_space(root, 1);
 	btrfs_btree_balance_dirty(root, nr);
 
 	if (attr->ia_size > inode->i_size) {
@@ -4223,26 +4382,21 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
 	if (!new_valid_dev(rdev))
 		return -EINVAL;
 
+	err = btrfs_find_free_objectid(NULL, root, dir->i_ino, &objectid);
+	if (err)
+		return err;
+
 	/*
 	 * 2 for inode item and ref
 	 * 2 for dir items
 	 * 1 for xattr if selinux is on
 	 */
-	err = btrfs_reserve_metadata_space(root, 5);
-	if (err)
-		return err;
+	trans = btrfs_start_transaction(root, 5);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans)
-		goto fail;
 	btrfs_set_trans_block_group(trans, dir);
 
-	err = btrfs_find_free_objectid(trans, root, dir->i_ino, &objectid);
-	if (err) {
-		err = -ENOSPC;
-		goto out_unlock;
-	}
-
 	inode = btrfs_new_inode(trans, root, dir, dentry->d_name.name,
 				dentry->d_name.len,
 				dentry->d_parent->d_inode->i_ino, objectid,
@@ -4271,13 +4425,11 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
 out_unlock:
 	nr = trans->blocks_used;
 	btrfs_end_transaction_throttle(trans, root);
-fail:
-	btrfs_unreserve_metadata_space(root, 5);
+	btrfs_btree_balance_dirty(root, nr);
 	if (drop_inode) {
 		inode_dec_link_count(inode);
 		iput(inode);
 	}
-	btrfs_btree_balance_dirty(root, nr);
 	return err;
 }
 
@@ -4287,32 +4439,26 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
 	struct btrfs_trans_handle *trans;
 	struct btrfs_root *root = BTRFS_I(dir)->root;
 	struct inode *inode = NULL;
-	int err;
 	int drop_inode = 0;
+	int err;
 	unsigned long nr = 0;
 	u64 objectid;
 	u64 index = 0;
 
+	err = btrfs_find_free_objectid(NULL, root, dir->i_ino, &objectid);
+	if (err)
+		return err;
 	/*
 	 * 2 for inode item and ref
 	 * 2 for dir items
 	 * 1 for xattr if selinux is on
 	 */
-	err = btrfs_reserve_metadata_space(root, 5);
-	if (err)
-		return err;
+	trans = btrfs_start_transaction(root, 5);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans)
-		goto fail;
 	btrfs_set_trans_block_group(trans, dir);
 
-	err = btrfs_find_free_objectid(trans, root, dir->i_ino, &objectid);
-	if (err) {
-		err = -ENOSPC;
-		goto out_unlock;
-	}
-
 	inode = btrfs_new_inode(trans, root, dir, dentry->d_name.name,
 				dentry->d_name.len,
 				dentry->d_parent->d_inode->i_ino,
@@ -4344,8 +4490,6 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
 out_unlock:
 	nr = trans->blocks_used;
 	btrfs_end_transaction_throttle(trans, root);
-fail:
-	btrfs_unreserve_metadata_space(root, 5);
 	if (drop_inode) {
 		inode_dec_link_count(inode);
 		iput(inode);
@@ -4372,21 +4516,21 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 	if (root->objectid != BTRFS_I(inode)->root->objectid)
 		return -EPERM;
 
-	/*
-	 * 1 item for inode ref
-	 * 2 items for dir items
-	 */
-	err = btrfs_reserve_metadata_space(root, 3);
-	if (err)
-		return err;
-
 	btrfs_inc_nlink(inode);
 
 	err = btrfs_set_inode_index(dir, &index);
 	if (err)
 		goto fail;
 
-	trans = btrfs_start_transaction(root, 1);
+	/*
+	 * 1 item for inode ref
+	 * 2 items for dir items
+	 */
+	trans = btrfs_start_transaction(root, 3);
+	if (IS_ERR(trans)) {
+		err = PTR_ERR(trans);
+		goto fail;
+	}
 
 	btrfs_set_trans_block_group(trans, dir);
 	atomic_inc(&inode->i_count);
@@ -4405,7 +4549,6 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 	nr = trans->blocks_used;
 	btrfs_end_transaction_throttle(trans, root);
 fail:
-	btrfs_unreserve_metadata_space(root, 3);
 	if (drop_inode) {
 		inode_dec_link_count(inode);
 		iput(inode);
@@ -4425,28 +4568,20 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	u64 index = 0;
 	unsigned long nr = 1;
 
+	err = btrfs_find_free_objectid(NULL, root, dir->i_ino, &objectid);
+	if (err)
+		return err;
+
 	/*
 	 * 2 items for inode and ref
 	 * 2 items for dir items
 	 * 1 for xattr if selinux is on
 	 */
-	err = btrfs_reserve_metadata_space(root, 5);
-	if (err)
-		return err;
-
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans) {
-		err = -ENOMEM;
-		goto out_unlock;
-	}
+	trans = btrfs_start_transaction(root, 5);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 	btrfs_set_trans_block_group(trans, dir);
 
-	err = btrfs_find_free_objectid(trans, root, dir->i_ino, &objectid);
-	if (err) {
-		err = -ENOSPC;
-		goto out_fail;
-	}
-
 	inode = btrfs_new_inode(trans, root, dir, dentry->d_name.name,
 				dentry->d_name.len,
 				dentry->d_parent->d_inode->i_ino, objectid,
@@ -4486,9 +4621,6 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 out_fail:
 	nr = trans->blocks_used;
 	btrfs_end_transaction_throttle(trans, root);
-
-out_unlock:
-	btrfs_unreserve_metadata_space(root, 5);
 	if (drop_on_err)
 		iput(inode);
 	btrfs_btree_balance_dirty(root, nr);
@@ -5426,19 +5558,6 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (S_ISDIR(old_inode->i_mode) && new_inode &&
 	    new_inode->i_size > BTRFS_EMPTY_DIR_SIZE)
 		return -ENOTEMPTY;
-
-	/*
-	 * We want to reserve the absolute worst case amount of items.  So if
-	 * both inodes are subvols and we need to unlink them then that would
-	 * require 4 item modifications, but if they are both normal inodes it
-	 * would require 5 item modifications, so we'll assume their normal
-	 * inodes.  So 5 * 2 is 10, plus 1 for the new link, so 11 total items
-	 * should cover the worst case number of items we'll modify.
-	 */
-	ret = btrfs_reserve_metadata_space(root, 11);
-	if (ret)
-		return ret;
-
 	/*
 	 * we're using rename to replace one file with another.
 	 * and the replacement file is large.  Start IO on it now so
@@ -5451,8 +5570,18 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	/* close the racy window with snapshot create/destroy ioctl */
 	if (old_inode->i_ino == BTRFS_FIRST_FREE_OBJECTID)
 		down_read(&root->fs_info->subvol_sem);
+	/*
+	 * We want to reserve the absolute worst case amount of items.  So if
+	 * both inodes are subvols and we need to unlink them then that would
+	 * require 4 item modifications, but if they are both normal inodes it
+	 * would require 5 item modifications, so we'll assume their normal
+	 * inodes.  So 5 * 2 is 10, plus 1 for the new link, so 11 total items
+	 * should cover the worst case number of items we'll modify.
+	 */
+	trans = btrfs_start_transaction(root, 20);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 
-	trans = btrfs_start_transaction(root, 1);
 	btrfs_set_trans_block_group(trans, new_dir);
 
 	if (dest != root)
@@ -5551,7 +5680,6 @@ out_fail:
 	if (old_inode->i_ino == BTRFS_FIRST_FREE_OBJECTID)
 		up_read(&root->fs_info->subvol_sem);
 
-	btrfs_unreserve_metadata_space(root, 11);
 	return ret;
 }
 
@@ -5658,26 +5786,20 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
 	if (name_len > BTRFS_MAX_INLINE_DATA_SIZE(root))
 		return -ENAMETOOLONG;
 
+	err = btrfs_find_free_objectid(NULL, root, dir->i_ino, &objectid);
+	if (err)
+		return err;
 	/*
 	 * 2 items for inode item and ref
 	 * 2 items for dir items
 	 * 1 item for xattr if selinux is on
 	 */
-	err = btrfs_reserve_metadata_space(root, 5);
-	if (err)
-		return err;
+	trans = btrfs_start_transaction(root, 5);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans)
-		goto out_fail;
 	btrfs_set_trans_block_group(trans, dir);
 
-	err = btrfs_find_free_objectid(trans, root, dir->i_ino, &objectid);
-	if (err) {
-		err = -ENOSPC;
-		goto out_unlock;
-	}
-
 	inode = btrfs_new_inode(trans, root, dir, dentry->d_name.name,
 				dentry->d_name.len,
 				dentry->d_parent->d_inode->i_ino, objectid,
@@ -5749,8 +5871,6 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
 out_unlock:
 	nr = trans->blocks_used;
 	btrfs_end_transaction_throttle(trans, root);
-out_fail:
-	btrfs_unreserve_metadata_space(root, 5);
 	if (drop_inode) {
 		inode_dec_link_count(inode);
 		iput(inode);
@@ -5771,21 +5891,18 @@ static int prealloc_file_range(struct inode *inode, u64 start, u64 end,
 	u64 i_size;
 
 	while (num_bytes > 0) {
-		trans = btrfs_start_transaction(root, 1);
+		trans = btrfs_start_transaction(root, 3);
+		if (IS_ERR(trans)) {
+			ret = PTR_ERR(trans);
+			break;
+		}
 
 		ret = btrfs_reserve_extent(trans, root, num_bytes,
 					   root->sectorsize, 0, alloc_hint,
 					   (u64)-1, &ins, 1);
 		if (ret) {
-			WARN_ON(1);
-			goto stop_trans;
-		}
-
-		ret = btrfs_reserve_metadata_space(root, 3);
-		if (ret) {
-			btrfs_free_reserved_extent(root, ins.objectid,
-						   ins.offset);
-			goto stop_trans;
+			btrfs_end_transaction(trans, root);
+			break;
 		}
 
 		ret = insert_reserved_file_extent(trans, inode,
@@ -5819,14 +5936,8 @@ static int prealloc_file_range(struct inode *inode, u64 start, u64 end,
 		BUG_ON(ret);
 
 		btrfs_end_transaction(trans, root);
-		btrfs_unreserve_metadata_space(root, 3);
 	}
 	return ret;
-
-stop_trans:
-	btrfs_end_transaction(trans, root);
-	return ret;
-
 }
 
 static long btrfs_fallocate(struct inode *inode, int mode,
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 97a97839a86..3066da468c6 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -239,23 +239,19 @@ static noinline int create_subvol(struct btrfs_root *root,
 	u64 new_dirid = BTRFS_FIRST_FREE_OBJECTID;
 	u64 index = 0;
 
+	ret = btrfs_find_free_objectid(NULL, root->fs_info->tree_root,
+				       0, &objectid);
+	if (ret)
+		return ret;
 	/*
 	 * 1 - inode item
 	 * 2 - refs
 	 * 1 - root item
 	 * 2 - dir items
 	 */
-	ret = btrfs_reserve_metadata_space(root, 6);
-	if (ret)
-		return ret;
-
-	trans = btrfs_start_transaction(root, 1);
-	BUG_ON(!trans);
-
-	ret = btrfs_find_free_objectid(trans, root->fs_info->tree_root,
-				       0, &objectid);
-	if (ret)
-		goto fail;
+	trans = btrfs_start_transaction(root, 6);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 
 	leaf = btrfs_alloc_free_block(trans, root, root->leafsize,
 				      0, objectid, NULL, 0, 0, 0);
@@ -345,13 +341,10 @@ fail:
 	err = btrfs_commit_transaction(trans, root);
 	if (err && !ret)
 		ret = err;
-
-	btrfs_unreserve_metadata_space(root, 6);
 	return ret;
 }
 
-static int create_snapshot(struct btrfs_root *root, struct dentry *dentry,
-			   char *name, int namelen)
+static int create_snapshot(struct btrfs_root *root, struct dentry *dentry)
 {
 	struct inode *inode;
 	struct btrfs_pending_snapshot *pending_snapshot;
@@ -361,40 +354,33 @@ static int create_snapshot(struct btrfs_root *root, struct dentry *dentry,
 	if (!root->ref_cows)
 		return -EINVAL;
 
-	/*
-	 * 1 - inode item
-	 * 2 - refs
-	 * 1 - root item
-	 * 2 - dir items
-	 */
-	ret = btrfs_reserve_metadata_space(root, 6);
+	pending_snapshot = kzalloc(sizeof(*pending_snapshot), GFP_NOFS);
+	if (!pending_snapshot)
+		return -ENOMEM;
+
+	btrfs_init_block_rsv(&pending_snapshot->block_rsv);
+	pending_snapshot->dentry = dentry;
+	pending_snapshot->root = root;
+
+	trans = btrfs_start_transaction(root->fs_info->extent_root, 5);
+	if (IS_ERR(trans)) {
+		ret = PTR_ERR(trans);
+		goto fail;
+	}
+
+	ret = btrfs_snap_reserve_metadata(trans, pending_snapshot);
+	BUG_ON(ret);
+
+	list_add(&pending_snapshot->list,
+		 &trans->transaction->pending_snapshots);
+	ret = btrfs_commit_transaction(trans, root->fs_info->extent_root);
+	BUG_ON(ret);
+
+	ret = pending_snapshot->error;
 	if (ret)
 		goto fail;
 
-	pending_snapshot = kzalloc(sizeof(*pending_snapshot), GFP_NOFS);
-	if (!pending_snapshot) {
-		ret = -ENOMEM;
-		btrfs_unreserve_metadata_space(root, 6);
-		goto fail;
-	}
-	pending_snapshot->name = kmalloc(namelen + 1, GFP_NOFS);
-	if (!pending_snapshot->name) {
-		ret = -ENOMEM;
-		kfree(pending_snapshot);
-		btrfs_unreserve_metadata_space(root, 6);
-		goto fail;
-	}
-	memcpy(pending_snapshot->name, name, namelen);
-	pending_snapshot->name[namelen] = '\0';
-	pending_snapshot->dentry = dentry;
-	trans = btrfs_start_transaction(root, 1);
-	BUG_ON(!trans);
-	pending_snapshot->root = root;
-	list_add(&pending_snapshot->list,
-		 &trans->transaction->pending_snapshots);
-	ret = btrfs_commit_transaction(trans, root);
-	BUG_ON(ret);
-	btrfs_unreserve_metadata_space(root, 6);
+	btrfs_orphan_cleanup(pending_snapshot->snap);
 
 	inode = btrfs_lookup_dentry(dentry->d_parent->d_inode, dentry);
 	if (IS_ERR(inode)) {
@@ -405,6 +391,7 @@ static int create_snapshot(struct btrfs_root *root, struct dentry *dentry,
 	d_instantiate(dentry, inode);
 	ret = 0;
 fail:
+	kfree(pending_snapshot);
 	return ret;
 }
 
@@ -456,8 +443,7 @@ static noinline int btrfs_mksubvol(struct path *parent,
 		goto out_up_read;
 
 	if (snap_src) {
-		error = create_snapshot(snap_src, dentry,
-					name, namelen);
+		error = create_snapshot(snap_src, dentry);
 	} else {
 		error = create_subvol(BTRFS_I(dir)->root, dentry,
 				      name, namelen);
@@ -811,7 +797,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
 		device->name, (unsigned long long)new_size);
 
 	if (new_size > old_size) {
-		trans = btrfs_start_transaction(root, 1);
+		trans = btrfs_start_transaction(root, 0);
 		ret = btrfs_grow_device(trans, device, new_size);
 		btrfs_commit_transaction(trans, root);
 	} else {
@@ -1300,7 +1286,13 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
 	if (err)
 		goto out_up_write;
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_start_transaction(root, 0);
+	if (IS_ERR(trans)) {
+		err = PTR_ERR(trans);
+		goto out;
+	}
+	trans->block_rsv = &root->fs_info->global_block_rsv;
+
 	ret = btrfs_unlink_subvol(trans, root, dir,
 				dest->root_key.objectid,
 				dentry->d_name.name,
@@ -1550,12 +1542,6 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 		btrfs_wait_ordered_range(src, off, off+len);
 	}
 
-	trans = btrfs_start_transaction(root, 1);
-	BUG_ON(!trans);
-
-	/* punch hole in destination first */
-	btrfs_drop_extents(trans, inode, off, off + len, &hint_byte, 1);
-
 	/* clone data */
 	key.objectid = src->i_ino;
 	key.type = BTRFS_EXTENT_DATA_KEY;
@@ -1566,7 +1552,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 		 * note the key will change type as we walk through the
 		 * tree.
 		 */
-		ret = btrfs_search_slot(trans, root, &key, path, 0, 0);
+		ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
 		if (ret < 0)
 			goto out;
 
@@ -1629,12 +1615,31 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 			new_key.objectid = inode->i_ino;
 			new_key.offset = key.offset + destoff - off;
 
+			trans = btrfs_start_transaction(root, 1);
+			if (IS_ERR(trans)) {
+				ret = PTR_ERR(trans);
+				goto out;
+			}
+
 			if (type == BTRFS_FILE_EXTENT_REG ||
 			    type == BTRFS_FILE_EXTENT_PREALLOC) {
+				if (off > key.offset) {
+					datao += off - key.offset;
+					datal -= off - key.offset;
+				}
+
+				if (key.offset + datal > off + len)
+					datal = off + len - key.offset;
+
+				ret = btrfs_drop_extents(trans, inode,
+							 new_key.offset,
+							 new_key.offset + datal,
+							 &hint_byte, 1);
+				BUG_ON(ret);
+
 				ret = btrfs_insert_empty_item(trans, root, path,
 							      &new_key, size);
-				if (ret)
-					goto out;
+				BUG_ON(ret);
 
 				leaf = path->nodes[0];
 				slot = path->slots[0];
@@ -1645,14 +1650,6 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 				extent = btrfs_item_ptr(leaf, slot,
 						struct btrfs_file_extent_item);
 
-				if (off > key.offset) {
-					datao += off - key.offset;
-					datal -= off - key.offset;
-				}
-
-				if (key.offset + datal > off + len)
-					datal = off + len - key.offset;
-
 				/* disko == 0 means it's a hole */
 				if (!disko)
 					datao = 0;
@@ -1683,14 +1680,21 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 
 				if (comp && (skip || trim)) {
 					ret = -EINVAL;
+					btrfs_end_transaction(trans, root);
 					goto out;
 				}
 				size -= skip + trim;
 				datal -= skip + trim;
+
+				ret = btrfs_drop_extents(trans, inode,
+							 new_key.offset,
+							 new_key.offset + datal,
+							 &hint_byte, 1);
+				BUG_ON(ret);
+
 				ret = btrfs_insert_empty_item(trans, root, path,
 							      &new_key, size);
-				if (ret)
-					goto out;
+				BUG_ON(ret);
 
 				if (skip) {
 					u32 start =
@@ -1708,8 +1712,17 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 			}
 
 			btrfs_mark_buffer_dirty(leaf);
-		}
+			btrfs_release_path(root, path);
 
+			inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+			if (new_key.offset + datal > inode->i_size)
+				btrfs_i_size_write(inode,
+						   new_key.offset + datal);
+			BTRFS_I(inode)->flags = BTRFS_I(src)->flags;
+			ret = btrfs_update_inode(trans, root, inode);
+			BUG_ON(ret);
+			btrfs_end_transaction(trans, root);
+		}
 next:
 		btrfs_release_path(root, path);
 		key.offset++;
@@ -1717,17 +1730,7 @@ next:
 	ret = 0;
 out:
 	btrfs_release_path(root, path);
-	if (ret == 0) {
-		inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-		if (destoff + olen > inode->i_size)
-			btrfs_i_size_write(inode, destoff + olen);
-		BTRFS_I(inode)->flags = BTRFS_I(src)->flags;
-		ret = btrfs_update_inode(trans, root, inode);
-	}
-	btrfs_end_transaction(trans, root);
 	unlock_extent(&BTRFS_I(src)->io_tree, off, off+len, GFP_NOFS);
-	if (ret)
-		vmtruncate(inode, 0);
 out_unlock:
 	mutex_unlock(&src->i_mutex);
 	mutex_unlock(&inode->i_mutex);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index d565b45a635..145a468c300 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1649,7 +1649,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 	}
 
 	if (level == 0 && rc->stage == UPDATE_DATA_PTRS) {
-		trans = btrfs_start_transaction(root, 1);
+		trans = btrfs_start_transaction(root, 0);
 
 		leaf = path->nodes[0];
 		btrfs_item_key_to_cpu(leaf, &key, 0);
@@ -1675,7 +1675,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 	while (1) {
 		leaf = NULL;
 		replaced = 0;
-		trans = btrfs_start_transaction(root, 1);
+		trans = btrfs_start_transaction(root, 0);
 		max_level = level;
 
 		ret = walk_down_reloc_tree(reloc_root, path, &level);
@@ -1803,7 +1803,7 @@ static void merge_func(struct btrfs_work *work)
 
 		merge_reloc_root(async->rc, root);
 
-		trans = btrfs_start_transaction(root, 1);
+		trans = btrfs_start_transaction(root, 0);
 		btrfs_update_reloc_root(trans, root);
 		btrfs_end_transaction(trans, root);
 	}
@@ -3297,11 +3297,11 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 	rc->create_reloc_root = 1;
 	set_reloc_control(rc);
 
-	trans = btrfs_start_transaction(rc->extent_root, 1);
+	trans = btrfs_join_transaction(rc->extent_root, 1);
 	btrfs_commit_transaction(trans, rc->extent_root);
 
 	while (1) {
-		trans = btrfs_start_transaction(rc->extent_root, 1);
+		trans = btrfs_start_transaction(rc->extent_root, 0);
 
 		ret = find_next_extent(trans, rc, path);
 		if (ret < 0)
@@ -3411,7 +3411,7 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 	smp_mb();
 
 	if (rc->extents_found > 0) {
-		trans = btrfs_start_transaction(rc->extent_root, 1);
+		trans = btrfs_join_transaction(rc->extent_root, 1);
 		btrfs_commit_transaction(trans, rc->extent_root);
 	}
 
@@ -3420,7 +3420,7 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 	unset_reloc_control(rc);
 
 	/* get rid of pinned extents */
-	trans = btrfs_start_transaction(rc->extent_root, 1);
+	trans = btrfs_join_transaction(rc->extent_root, 1);
 	btrfs_commit_transaction(trans, rc->extent_root);
 
 	return err;
@@ -3475,7 +3475,7 @@ static struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
 	if (IS_ERR(root))
 		return ERR_CAST(root);
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_start_transaction(root, 6);
 	BUG_ON(!trans);
 
 	err = btrfs_find_free_objectid(trans, root, objectid, &objectid);
@@ -3619,7 +3619,7 @@ static noinline_for_stack int mark_garbage_root(struct btrfs_root *root)
 	struct btrfs_trans_handle *trans;
 	int ret;
 
-	trans = btrfs_start_transaction(root->fs_info->tree_root, 1);
+	trans = btrfs_start_transaction(root->fs_info->tree_root, 0);
 
 	memset(&root->root_item.drop_progress, 0,
 		sizeof(root->root_item.drop_progress));
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 55265c24ab9..38d91c7e8db 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -498,7 +498,7 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
 	btrfs_start_delalloc_inodes(root, 0);
 	btrfs_wait_ordered_extents(root, 0, 0);
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_start_transaction(root, 0);
 	ret = btrfs_commit_transaction(trans, root);
 	return ret;
 }
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 21ad37c0519..2616491a5c5 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -165,53 +165,89 @@ enum btrfs_trans_type {
 	TRANS_USERSPACE,
 };
 
-static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
-					     int num_blocks, int type)
+static int may_wait_transaction(struct btrfs_root *root, int type)
 {
-	struct btrfs_trans_handle *h =
-		kmem_cache_alloc(btrfs_trans_handle_cachep, GFP_NOFS);
-	int ret;
-
-	mutex_lock(&root->fs_info->trans_mutex);
 	if (!root->fs_info->log_root_recovering &&
 	    ((type == TRANS_START && !root->fs_info->open_ioctl_trans) ||
 	     type == TRANS_USERSPACE))
+		return 1;
+	return 0;
+}
+
+static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
+						    u64 num_items, int type)
+{
+	struct btrfs_trans_handle *h;
+	struct btrfs_transaction *cur_trans;
+	int retries = 0;
+	int ret;
+again:
+	h = kmem_cache_alloc(btrfs_trans_handle_cachep, GFP_NOFS);
+	if (!h)
+		return ERR_PTR(-ENOMEM);
+
+	mutex_lock(&root->fs_info->trans_mutex);
+	if (may_wait_transaction(root, type))
 		wait_current_trans(root);
+
 	ret = join_transaction(root);
 	BUG_ON(ret);
 
-	h->transid = root->fs_info->running_transaction->transid;
-	h->transaction = root->fs_info->running_transaction;
-	h->blocks_reserved = num_blocks;
+	cur_trans = root->fs_info->running_transaction;
+	cur_trans->use_count++;
+	mutex_unlock(&root->fs_info->trans_mutex);
+
+	h->transid = cur_trans->transid;
+	h->transaction = cur_trans;
 	h->blocks_used = 0;
 	h->block_group = 0;
+	h->bytes_reserved = 0;
 	h->delayed_ref_updates = 0;
 	h->block_rsv = NULL;
 
-	if (!current->journal_info && type != TRANS_USERSPACE)
-		current->journal_info = h;
+	smp_mb();
+	if (cur_trans->blocked && may_wait_transaction(root, type)) {
+		btrfs_commit_transaction(h, root);
+		goto again;
+	}
 
-	root->fs_info->running_transaction->use_count++;
+	if (num_items > 0) {
+		ret = btrfs_trans_reserve_metadata(h, root, num_items,
+						   &retries);
+		if (ret == -EAGAIN) {
+			btrfs_commit_transaction(h, root);
+			goto again;
+		}
+		if (ret < 0) {
+			btrfs_end_transaction(h, root);
+			return ERR_PTR(ret);
+		}
+	}
+
+	mutex_lock(&root->fs_info->trans_mutex);
 	record_root_in_trans(h, root);
 	mutex_unlock(&root->fs_info->trans_mutex);
+
+	if (!current->journal_info && type != TRANS_USERSPACE)
+		current->journal_info = h;
 	return h;
 }
 
 struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
-						   int num_blocks)
+						   int num_items)
 {
-	return start_transaction(root, num_blocks, TRANS_START);
+	return start_transaction(root, num_items, TRANS_START);
 }
 struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root,
 						   int num_blocks)
 {
-	return start_transaction(root, num_blocks, TRANS_JOIN);
+	return start_transaction(root, 0, TRANS_JOIN);
 }
 
 struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *r,
 							 int num_blocks)
 {
-	return start_transaction(r, num_blocks, TRANS_USERSPACE);
+	return start_transaction(r, 0, TRANS_USERSPACE);
 }
 
 /* wait for a transaction commit to be fully complete */
@@ -312,6 +348,8 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
 		count++;
 	}
 
+	btrfs_trans_release_metadata(trans, root);
+
 	mutex_lock(&info->trans_mutex);
 	cur_trans = info->running_transaction;
 	WARN_ON(cur_trans != trans->transaction);
@@ -757,47 +795,49 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	struct btrfs_root *root = pending->root;
 	struct btrfs_root *parent_root;
 	struct inode *parent_inode;
+	struct dentry *dentry;
 	struct extent_buffer *tmp;
 	struct extent_buffer *old;
 	int ret;
-	u64 objectid;
-	int namelen;
 	u64 index = 0;
-
-	parent_inode = pending->dentry->d_parent->d_inode;
-	parent_root = BTRFS_I(parent_inode)->root;
+	u64 objectid;
 
 	new_root_item = kmalloc(sizeof(*new_root_item), GFP_NOFS);
 	if (!new_root_item) {
-		ret = -ENOMEM;
+		pending->error = -ENOMEM;
 		goto fail;
 	}
+
 	ret = btrfs_find_free_objectid(trans, tree_root, 0, &objectid);
-	if (ret)
+	if (ret) {
+		pending->error = ret;
 		goto fail;
+	}
 
 	key.objectid = objectid;
-	/* record when the snapshot was created in key.offset */
-	key.offset = trans->transid;
-	btrfs_set_key_type(&key, BTRFS_ROOT_ITEM_KEY);
+	key.offset = (u64)-1;
+	key.type = BTRFS_ROOT_ITEM_KEY;
 
-	memcpy(&pending->root_key, &key, sizeof(key));
-	pending->root_key.offset = (u64)-1;
+	trans->block_rsv = &pending->block_rsv;
 
+	dentry = pending->dentry;
+	parent_inode = dentry->d_parent->d_inode;
+	parent_root = BTRFS_I(parent_inode)->root;
 	record_root_in_trans(trans, parent_root);
+
 	/*
 	 * insert the directory item
 	 */
-	namelen = strlen(pending->name);
 	ret = btrfs_set_inode_index(parent_inode, &index);
 	BUG_ON(ret);
 	ret = btrfs_insert_dir_item(trans, parent_root,
-			    pending->name, namelen,
-			    parent_inode->i_ino,
-			    &pending->root_key, BTRFS_FT_DIR, index);
+				dentry->d_name.name, dentry->d_name.len,
+				parent_inode->i_ino, &key,
+				BTRFS_FT_DIR, index);
 	BUG_ON(ret);
 
-	btrfs_i_size_write(parent_inode, parent_inode->i_size + namelen * 2);
+	btrfs_i_size_write(parent_inode, parent_inode->i_size +
+					 dentry->d_name.len * 2);
 	ret = btrfs_update_inode(trans, parent_root, parent_inode);
 	BUG_ON(ret);
 
@@ -814,22 +854,29 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	free_extent_buffer(old);
 
 	btrfs_set_root_node(new_root_item, tmp);
-	ret = btrfs_insert_root(trans, root->fs_info->tree_root, &key,
-				new_root_item);
-	BUG_ON(ret);
+	/* record when the snapshot was created in key.offset */
+	key.offset = trans->transid;
+	ret = btrfs_insert_root(trans, tree_root, &key, new_root_item);
 	btrfs_tree_unlock(tmp);
 	free_extent_buffer(tmp);
-
-	ret = btrfs_add_root_ref(trans, parent_root->fs_info->tree_root,
-				 pending->root_key.objectid,
-				 parent_root->root_key.objectid,
-				 parent_inode->i_ino, index, pending->name,
-				 namelen);
 	BUG_ON(ret);
 
+	/*
+	 * insert root back/forward references
+	 */
+	ret = btrfs_add_root_ref(trans, tree_root, objectid,
+				 parent_root->root_key.objectid,
+				 parent_inode->i_ino, index,
+				 dentry->d_name.name, dentry->d_name.len);
+	BUG_ON(ret);
+
+	key.offset = (u64)-1;
+	pending->snap = btrfs_read_fs_root_no_name(root->fs_info, &key);
+	BUG_ON(IS_ERR(pending->snap));
 fail:
 	kfree(new_root_item);
-	return ret;
+	btrfs_block_rsv_release(root, &pending->block_rsv, (u64)-1);
+	return 0;
 }
 
 /*
@@ -898,6 +945,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 	ret = btrfs_run_delayed_refs(trans, root, 0);
 	BUG_ON(ret);
 
+	btrfs_trans_release_metadata(trans, root);
+
 	cur_trans = trans->transaction;
 	/*
 	 * set the flushing flag so procs in this transaction have to
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 56e728d70e3..14b3841b75d 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -57,8 +57,11 @@ struct btrfs_trans_handle {
 struct btrfs_pending_snapshot {
 	struct dentry *dentry;
 	struct btrfs_root *root;
-	char *name;
-	struct btrfs_key root_key;
+	struct btrfs_root *snap;
+	/* block reservation for the operation */
+	struct btrfs_block_rsv block_rsv;
+	/* extra metadata reseration for relocation */
+	int error;
 	struct list_head list;
 };
 
@@ -85,11 +88,11 @@ static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans,
 int btrfs_end_transaction(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *root);
 struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
-						   int num_blocks);
+						   int num_items);
 struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root,
-						   int num_blocks);
+						  int num_blocks);
 struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *r,
-						   int num_blocks);
+							 int num_blocks);
 int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
 				     struct btrfs_root *root);
 int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 8db7b14bbae..d6e3af8be95 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1097,7 +1097,7 @@ static int btrfs_rm_dev_item(struct btrfs_root *root,
 	if (!path)
 		return -ENOMEM;
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_start_transaction(root, 0);
 	key.objectid = BTRFS_DEV_ITEMS_OBJECTID;
 	key.type = BTRFS_DEV_ITEM_KEY;
 	key.offset = device->devid;
@@ -1486,7 +1486,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
 		goto error;
 	}
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_start_transaction(root, 0);
 	lock_chunks(root);
 
 	device->barriers = 1;
@@ -1751,9 +1751,10 @@ static int btrfs_relocate_chunk(struct btrfs_root *root,
 
 	/* step one, relocate all the extents inside this chunk */
 	ret = btrfs_relocate_block_group(extent_root, chunk_offset);
-	BUG_ON(ret);
+	if (ret)
+		return ret;
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_start_transaction(root, 0);
 	BUG_ON(!trans);
 
 	lock_chunks(root);
@@ -1925,7 +1926,7 @@ int btrfs_balance(struct btrfs_root *dev_root)
 			break;
 		BUG_ON(ret);
 
-		trans = btrfs_start_transaction(dev_root, 1);
+		trans = btrfs_start_transaction(dev_root, 0);
 		BUG_ON(!trans);
 
 		ret = btrfs_grow_device(trans, device, old_size);
@@ -2094,11 +2095,7 @@ again:
 	}
 
 	/* Shrinking succeeded, else we would be at "done". */
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans) {
-		ret = -ENOMEM;
-		goto done;
-	}
+	trans = btrfs_start_transaction(root, 0);
 	lock_chunks(root);
 
 	device->disk_total_bytes = new_size;
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 193b58f7d3f..007fae581a0 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -154,15 +154,10 @@ int __btrfs_setxattr(struct btrfs_trans_handle *trans,
 	if (trans)
 		return do_setxattr(trans, inode, name, value, size, flags);
 
-	ret = btrfs_reserve_metadata_space(root, 2);
-	if (ret)
-		return ret;
+	trans = btrfs_start_transaction(root, 2);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans) {
-		ret = -ENOMEM;
-		goto out;
-	}
 	btrfs_set_trans_block_group(trans, inode);
 
 	ret = do_setxattr(trans, inode, name, value, size, flags);
@@ -174,7 +169,6 @@ int __btrfs_setxattr(struct btrfs_trans_handle *trans,
 	BUG_ON(ret);
 out:
 	btrfs_end_transaction_throttle(trans, root);
-	btrfs_unreserve_metadata_space(root, 2);
 	return ret;
 }
 

From 0ca1f7ceb1991099ed5273885ebcf4323948c72e Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:48:47 -0400
Subject: [PATCH 2964/3638] Btrfs: Update metadata reservation for delayed
 allocation

Introduce metadata reservation context for delayed allocation
and update various related functions.

This patch also introduces EXTENT_FIRST_DELALLOC control bit for
set/clear_extent_bit. It tells set/clear_bit_hook whether they
are processing the first extent_state with EXTENT_DELALLOC bit
set. This change is important if set/clear_extent_bit involves
multiple extent_state.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/btrfs_inode.h  |   2 +-
 fs/btrfs/ctree.h        |  19 +--
 fs/btrfs/extent-tree.c  | 361 ++++++++++++++--------------------------
 fs/btrfs/extent_io.c    |  63 ++++---
 fs/btrfs/extent_io.h    |   8 +-
 fs/btrfs/file.c         |  27 +--
 fs/btrfs/inode.c        | 131 ++++++---------
 fs/btrfs/ioctl.c        |  29 ++--
 fs/btrfs/ordered-data.c |   7 -
 9 files changed, 232 insertions(+), 415 deletions(-)

diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 7a4dee19983..40510d9351f 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -137,8 +137,8 @@ struct btrfs_inode {
 	 * of extent items we've reserved metadata for.
 	 */
 	spinlock_t accounting_lock;
+	atomic_t outstanding_extents;
 	int reserved_extents;
-	int outstanding_extents;
 
 	/*
 	 * ordered_data_close is set by truncate when a file that used
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index e0aa9fb563e..d4744192ead 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2079,19 +2079,8 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
 u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags);
 void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde);
 void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
-
-int btrfs_unreserve_metadata_for_delalloc(struct btrfs_root *root,
-					  struct inode *inode, int num_items);
-int btrfs_reserve_metadata_for_delalloc(struct btrfs_root *root,
-					struct inode *inode, int num_items);
-int btrfs_check_data_free_space(struct btrfs_root *root, struct inode *inode,
-				u64 bytes);
-void btrfs_free_reserved_data_space(struct btrfs_root *root,
-				    struct inode *inode, u64 bytes);
-void btrfs_delalloc_reserve_space(struct btrfs_root *root, struct inode *inode,
-				 u64 bytes);
-void btrfs_delalloc_free_space(struct btrfs_root *root, struct inode *inode,
-			      u64 bytes);
+int btrfs_check_data_free_space(struct inode *inode, u64 bytes);
+void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes);
 int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root,
 				int num_items, int *retries);
@@ -2099,6 +2088,10 @@ void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root);
 int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans,
 				struct btrfs_pending_snapshot *pending);
+int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes);
+void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes);
+int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes);
+void btrfs_delalloc_release_space(struct inode *inode, u64 num_bytes);
 void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv);
 struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root);
 void btrfs_free_block_rsv(struct btrfs_root *root,
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 657df6e002d..b1822e752b4 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -64,12 +64,6 @@ static int find_next_key(struct btrfs_path *path, int level,
 			 struct btrfs_key *key);
 static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 			    int dump_block_groups);
-static int maybe_allocate_chunk(struct btrfs_trans_handle *trans,
-				struct btrfs_root *root,
-				struct btrfs_space_info *sinfo, u64 num_bytes);
-static int shrink_delalloc(struct btrfs_trans_handle *trans,
-			   struct btrfs_root *root,
-			   struct btrfs_space_info *sinfo, u64 to_reclaim);
 
 static noinline int
 block_group_cache_done(struct btrfs_block_group_cache *cache)
@@ -2880,189 +2874,14 @@ void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *inode)
 						       BTRFS_BLOCK_GROUP_DATA);
 }
 
-static u64 calculate_bytes_needed(struct btrfs_root *root, int num_items)
-{
-	u64 num_bytes;
-	int level;
-
-	level = BTRFS_MAX_LEVEL - 2;
-	/*
-	 * NOTE: these calculations are absolutely the worst possible case.
-	 * This assumes that _every_ item we insert will require a new leaf, and
-	 * that the tree has grown to its maximum level size.
-	 */
-
-	/*
-	 * for every item we insert we could insert both an extent item and a
-	 * extent ref item.  Then for ever item we insert, we will need to cow
-	 * both the original leaf, plus the leaf to the left and right of it.
-	 *
-	 * Unless we are talking about the extent root, then we just want the
-	 * number of items * 2, since we just need the extent item plus its ref.
-	 */
-	if (root == root->fs_info->extent_root)
-		num_bytes = num_items * 2;
-	else
-		num_bytes = (num_items + (2 * num_items)) * 3;
-
-	/*
-	 * num_bytes is total number of leaves we could need times the leaf
-	 * size, and then for every leaf we could end up cow'ing 2 nodes per
-	 * level, down to the leaf level.
-	 */
-	num_bytes = (num_bytes * root->leafsize) +
-		(num_bytes * (level * 2)) * root->nodesize;
-
-	return num_bytes;
-}
-
-/*
- * Unreserve metadata space for delalloc.  If we have less reserved credits than
- * we have extents, this function does nothing.
- */
-int btrfs_unreserve_metadata_for_delalloc(struct btrfs_root *root,
-					  struct inode *inode, int num_items)
-{
-	struct btrfs_fs_info *info = root->fs_info;
-	struct btrfs_space_info *meta_sinfo;
-	u64 num_bytes;
-	u64 alloc_target;
-	bool bug = false;
-
-	/* get the space info for where the metadata will live */
-	alloc_target = btrfs_get_alloc_profile(root, 0);
-	meta_sinfo = __find_space_info(info, alloc_target);
-
-	num_bytes = calculate_bytes_needed(root->fs_info->extent_root,
-					   num_items);
-
-	spin_lock(&meta_sinfo->lock);
-	spin_lock(&BTRFS_I(inode)->accounting_lock);
-	if (BTRFS_I(inode)->reserved_extents <=
-	    BTRFS_I(inode)->outstanding_extents) {
-		spin_unlock(&BTRFS_I(inode)->accounting_lock);
-		spin_unlock(&meta_sinfo->lock);
-		return 0;
-	}
-	spin_unlock(&BTRFS_I(inode)->accounting_lock);
-
-	BTRFS_I(inode)->reserved_extents -= num_items;
-	BUG_ON(BTRFS_I(inode)->reserved_extents < 0);
-
-	if (meta_sinfo->bytes_delalloc < num_bytes) {
-		bug = true;
-		meta_sinfo->bytes_delalloc = 0;
-	} else {
-		meta_sinfo->bytes_delalloc -= num_bytes;
-	}
-	spin_unlock(&meta_sinfo->lock);
-
-	BUG_ON(bug);
-
-	return 0;
-}
-
-static void check_force_delalloc(struct btrfs_space_info *meta_sinfo)
-{
-	u64 thresh;
-
-	thresh = meta_sinfo->bytes_used + meta_sinfo->bytes_reserved +
-		meta_sinfo->bytes_pinned + meta_sinfo->bytes_readonly +
-		meta_sinfo->bytes_super + meta_sinfo->bytes_root +
-		meta_sinfo->bytes_may_use;
-
-	thresh = meta_sinfo->total_bytes - thresh;
-	thresh *= 80;
-	do_div(thresh, 100);
-	if (thresh <= meta_sinfo->bytes_delalloc)
-		meta_sinfo->force_delalloc = 1;
-	else
-		meta_sinfo->force_delalloc = 0;
-}
-
-/*
- * Reserve metadata space for delalloc.
- */
-int btrfs_reserve_metadata_for_delalloc(struct btrfs_root *root,
-					struct inode *inode, int num_items)
-{
-	struct btrfs_fs_info *info = root->fs_info;
-	struct btrfs_space_info *meta_sinfo;
-	u64 num_bytes;
-	u64 used;
-	u64 alloc_target;
-	int flushed = 0;
-	int force_delalloc;
-
-	/* get the space info for where the metadata will live */
-	alloc_target = btrfs_get_alloc_profile(root, 0);
-	meta_sinfo = __find_space_info(info, alloc_target);
-
-	num_bytes = calculate_bytes_needed(root->fs_info->extent_root,
-					   num_items);
-again:
-	spin_lock(&meta_sinfo->lock);
-
-	force_delalloc = meta_sinfo->force_delalloc;
-
-	if (unlikely(!meta_sinfo->bytes_root))
-		meta_sinfo->bytes_root = calculate_bytes_needed(root, 6);
-
-	if (!flushed)
-		meta_sinfo->bytes_delalloc += num_bytes;
-
-	used = meta_sinfo->bytes_used + meta_sinfo->bytes_reserved +
-		meta_sinfo->bytes_pinned + meta_sinfo->bytes_readonly +
-		meta_sinfo->bytes_super + meta_sinfo->bytes_root +
-		meta_sinfo->bytes_may_use + meta_sinfo->bytes_delalloc;
-
-	if (used > meta_sinfo->total_bytes) {
-		flushed++;
-
-		if (flushed == 1) {
-			if (maybe_allocate_chunk(NULL, root, meta_sinfo,
-						 num_bytes))
-				goto again;
-			flushed++;
-		} else {
-			spin_unlock(&meta_sinfo->lock);
-		}
-
-		if (flushed == 2) {
-			filemap_flush(inode->i_mapping);
-			goto again;
-		} else if (flushed == 3) {
-			shrink_delalloc(NULL, root, meta_sinfo, num_bytes);
-			goto again;
-		}
-		spin_lock(&meta_sinfo->lock);
-		meta_sinfo->bytes_delalloc -= num_bytes;
-		spin_unlock(&meta_sinfo->lock);
-		printk(KERN_ERR "enospc, has %d, reserved %d\n",
-		       BTRFS_I(inode)->outstanding_extents,
-		       BTRFS_I(inode)->reserved_extents);
-		dump_space_info(meta_sinfo, 0, 0);
-		return -ENOSPC;
-	}
-
-	BTRFS_I(inode)->reserved_extents += num_items;
-	check_force_delalloc(meta_sinfo);
-	spin_unlock(&meta_sinfo->lock);
-
-	if (!flushed && force_delalloc)
-		filemap_flush(inode->i_mapping);
-
-	return 0;
-}
-
 /*
  * This will check the space that the inode allocates from to make sure we have
  * enough space for bytes.
  */
-int btrfs_check_data_free_space(struct btrfs_root *root, struct inode *inode,
-				u64 bytes)
+int btrfs_check_data_free_space(struct inode *inode, u64 bytes)
 {
 	struct btrfs_space_info *data_sinfo;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
 	u64 used;
 	int ret = 0, committed = 0;
 
@@ -3147,12 +2966,13 @@ alloc:
 }
 
 /*
- * if there was an error for whatever reason after calling
- * btrfs_check_data_free_space, call this so we can cleanup the counters.
+ * called when we are clearing an delalloc extent from the
+ * inode's io_tree or there was an error for whatever reason
+ * after calling btrfs_check_data_free_space
  */
-void btrfs_free_reserved_data_space(struct btrfs_root *root,
-				    struct inode *inode, u64 bytes)
+void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes)
 {
+	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_space_info *data_sinfo;
 
 	/* make sure bytes are sectorsize aligned */
@@ -3165,48 +2985,6 @@ void btrfs_free_reserved_data_space(struct btrfs_root *root,
 	spin_unlock(&data_sinfo->lock);
 }
 
-/* called when we are adding a delalloc extent to the inode's io_tree */
-void btrfs_delalloc_reserve_space(struct btrfs_root *root, struct inode *inode,
-				  u64 bytes)
-{
-	struct btrfs_space_info *data_sinfo;
-
-	/* get the space info for where this inode will be storing its data */
-	data_sinfo = BTRFS_I(inode)->space_info;
-
-	/* make sure we have enough space to handle the data first */
-	spin_lock(&data_sinfo->lock);
-	data_sinfo->bytes_delalloc += bytes;
-
-	/*
-	 * we are adding a delalloc extent without calling
-	 * btrfs_check_data_free_space first.  This happens on a weird
-	 * writepage condition, but shouldn't hurt our accounting
-	 */
-	if (unlikely(bytes > BTRFS_I(inode)->reserved_bytes)) {
-		data_sinfo->bytes_may_use -= BTRFS_I(inode)->reserved_bytes;
-		BTRFS_I(inode)->reserved_bytes = 0;
-	} else {
-		data_sinfo->bytes_may_use -= bytes;
-		BTRFS_I(inode)->reserved_bytes -= bytes;
-	}
-
-	spin_unlock(&data_sinfo->lock);
-}
-
-/* called when we are clearing an delalloc extent from the inode's io_tree */
-void btrfs_delalloc_free_space(struct btrfs_root *root, struct inode *inode,
-			      u64 bytes)
-{
-	struct btrfs_space_info *info;
-
-	info = BTRFS_I(inode)->space_info;
-
-	spin_lock(&info->lock);
-	info->bytes_delalloc -= bytes;
-	spin_unlock(&info->lock);
-}
-
 static void force_metadata_allocation(struct btrfs_fs_info *info)
 {
 	struct list_head *head = &info->space_info;
@@ -3331,18 +3109,19 @@ static int maybe_allocate_chunk(struct btrfs_trans_handle *trans,
  * shrink metadata reservation for delalloc
  */
 static int shrink_delalloc(struct btrfs_trans_handle *trans,
-			   struct btrfs_root *root,
-			   struct btrfs_space_info *sinfo, u64 to_reclaim)
+			   struct btrfs_root *root, u64 to_reclaim)
 {
+	struct btrfs_block_rsv *block_rsv;
 	u64 reserved;
 	u64 max_reclaim;
 	u64 reclaimed = 0;
 	int pause = 1;
 	int ret;
 
-	spin_lock(&sinfo->lock);
-	reserved = sinfo->bytes_delalloc;
-	spin_unlock(&sinfo->lock);
+	block_rsv = &root->fs_info->delalloc_block_rsv;
+	spin_lock(&block_rsv->lock);
+	reserved = block_rsv->reserved;
+	spin_unlock(&block_rsv->lock);
 
 	if (reserved == 0)
 		return 0;
@@ -3361,11 +3140,11 @@ static int shrink_delalloc(struct btrfs_trans_handle *trans,
 			pause = 1;
 		}
 
-		spin_lock(&sinfo->lock);
-		if (reserved > sinfo->bytes_delalloc)
-			reclaimed = reserved - sinfo->bytes_delalloc;
-		reserved = sinfo->bytes_delalloc;
-		spin_unlock(&sinfo->lock);
+		spin_lock(&block_rsv->lock);
+		if (reserved > block_rsv->reserved)
+			reclaimed = reserved - block_rsv->reserved;
+		reserved = block_rsv->reserved;
+		spin_unlock(&block_rsv->lock);
 
 		if (reserved == 0 || reclaimed >= max_reclaim)
 			break;
@@ -3394,7 +3173,7 @@ static int should_retry_reserve(struct btrfs_trans_handle *trans,
 	if (trans && trans->transaction->in_commit)
 		return -ENOSPC;
 
-	ret = shrink_delalloc(trans, root, space_info, num_bytes);
+	ret = shrink_delalloc(trans, root, num_bytes);
 	if (ret)
 		return ret;
 
@@ -3754,6 +3533,108 @@ int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans,
 	return block_rsv_migrate_bytes(src_rsv, dst_rsv, num_bytes);
 }
 
+static u64 calc_csum_metadata_size(struct inode *inode, u64 num_bytes)
+{
+	return num_bytes >>= 3;
+}
+
+int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
+{
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_block_rsv *block_rsv = &root->fs_info->delalloc_block_rsv;
+	u64 to_reserve;
+	int nr_extents;
+	int retries = 0;
+	int ret;
+
+	if (btrfs_transaction_in_commit(root->fs_info))
+		schedule_timeout(1);
+
+	num_bytes = ALIGN(num_bytes, root->sectorsize);
+again:
+	spin_lock(&BTRFS_I(inode)->accounting_lock);
+	nr_extents = atomic_read(&BTRFS_I(inode)->outstanding_extents) + 1;
+	if (nr_extents > BTRFS_I(inode)->reserved_extents) {
+		nr_extents -= BTRFS_I(inode)->reserved_extents;
+		to_reserve = calc_trans_metadata_size(root, nr_extents);
+	} else {
+		nr_extents = 0;
+		to_reserve = 0;
+	}
+
+	to_reserve += calc_csum_metadata_size(inode, num_bytes);
+	ret = reserve_metadata_bytes(block_rsv, to_reserve);
+	if (ret) {
+		spin_unlock(&BTRFS_I(inode)->accounting_lock);
+		ret = should_retry_reserve(NULL, root, block_rsv, to_reserve,
+					   &retries);
+		if (ret > 0)
+			goto again;
+		return ret;
+	}
+
+	BTRFS_I(inode)->reserved_extents += nr_extents;
+	atomic_inc(&BTRFS_I(inode)->outstanding_extents);
+	spin_unlock(&BTRFS_I(inode)->accounting_lock);
+
+	block_rsv_add_bytes(block_rsv, to_reserve, 1);
+
+	if (block_rsv->size > 512 * 1024 * 1024)
+		shrink_delalloc(NULL, root, to_reserve);
+
+	return 0;
+}
+
+void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes)
+{
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	u64 to_free;
+	int nr_extents;
+
+	num_bytes = ALIGN(num_bytes, root->sectorsize);
+	atomic_dec(&BTRFS_I(inode)->outstanding_extents);
+
+	spin_lock(&BTRFS_I(inode)->accounting_lock);
+	nr_extents = atomic_read(&BTRFS_I(inode)->outstanding_extents);
+	if (nr_extents < BTRFS_I(inode)->reserved_extents) {
+		nr_extents = BTRFS_I(inode)->reserved_extents - nr_extents;
+		BTRFS_I(inode)->reserved_extents -= nr_extents;
+	} else {
+		nr_extents = 0;
+	}
+	spin_unlock(&BTRFS_I(inode)->accounting_lock);
+
+	to_free = calc_csum_metadata_size(inode, num_bytes);
+	if (nr_extents > 0)
+		to_free += calc_trans_metadata_size(root, nr_extents);
+
+	btrfs_block_rsv_release(root, &root->fs_info->delalloc_block_rsv,
+				to_free);
+}
+
+int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes)
+{
+	int ret;
+
+	ret = btrfs_check_data_free_space(inode, num_bytes);
+	if (ret)
+		return ret;
+
+	ret = btrfs_delalloc_reserve_metadata(inode, num_bytes);
+	if (ret) {
+		btrfs_free_reserved_data_space(inode, num_bytes);
+		return ret;
+	}
+
+	return 0;
+}
+
+void btrfs_delalloc_release_space(struct inode *inode, u64 num_bytes)
+{
+	btrfs_delalloc_release_metadata(inode, num_bytes);
+	btrfs_free_reserved_data_space(inode, num_bytes);
+}
+
 static int update_block_group(struct btrfs_trans_handle *trans,
 			      struct btrfs_root *root,
 			      u64 bytenr, u64 num_bytes, int alloc)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index d2d03684fab..1a57c17d402 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -335,21 +335,18 @@ static int merge_state(struct extent_io_tree *tree,
 }
 
 static int set_state_cb(struct extent_io_tree *tree,
-			 struct extent_state *state,
-			 unsigned long bits)
+			 struct extent_state *state, int *bits)
 {
 	if (tree->ops && tree->ops->set_bit_hook) {
 		return tree->ops->set_bit_hook(tree->mapping->host,
-					       state->start, state->end,
-					       state->state, bits);
+					       state, bits);
 	}
 
 	return 0;
 }
 
 static void clear_state_cb(struct extent_io_tree *tree,
-			   struct extent_state *state,
-			   unsigned long bits)
+			   struct extent_state *state, int *bits)
 {
 	if (tree->ops && tree->ops->clear_bit_hook)
 		tree->ops->clear_bit_hook(tree->mapping->host, state, bits);
@@ -367,9 +364,10 @@ static void clear_state_cb(struct extent_io_tree *tree,
  */
 static int insert_state(struct extent_io_tree *tree,
 			struct extent_state *state, u64 start, u64 end,
-			int bits)
+			int *bits)
 {
 	struct rb_node *node;
+	int bits_to_set = *bits & ~EXTENT_CTLBITS;
 	int ret;
 
 	if (end < start) {
@@ -384,9 +382,9 @@ static int insert_state(struct extent_io_tree *tree,
 	if (ret)
 		return ret;
 
-	if (bits & EXTENT_DIRTY)
+	if (bits_to_set & EXTENT_DIRTY)
 		tree->dirty_bytes += end - start + 1;
-	state->state |= bits;
+	state->state |= bits_to_set;
 	node = tree_insert(&tree->state, end, &state->rb_node);
 	if (node) {
 		struct extent_state *found;
@@ -456,13 +454,13 @@ static int split_state(struct extent_io_tree *tree, struct extent_state *orig,
  * struct is freed and removed from the tree
  */
 static int clear_state_bit(struct extent_io_tree *tree,
-			    struct extent_state *state, int bits, int wake,
-			    int delete)
+			    struct extent_state *state,
+			    int *bits, int wake)
 {
-	int bits_to_clear = bits & ~EXTENT_DO_ACCOUNTING;
+	int bits_to_clear = *bits & ~EXTENT_CTLBITS;
 	int ret = state->state & bits_to_clear;
 
-	if ((bits & EXTENT_DIRTY) && (state->state & EXTENT_DIRTY)) {
+	if ((bits_to_clear & EXTENT_DIRTY) && (state->state & EXTENT_DIRTY)) {
 		u64 range = state->end - state->start + 1;
 		WARN_ON(range > tree->dirty_bytes);
 		tree->dirty_bytes -= range;
@@ -471,9 +469,8 @@ static int clear_state_bit(struct extent_io_tree *tree,
 	state->state &= ~bits_to_clear;
 	if (wake)
 		wake_up(&state->wq);
-	if (delete || state->state == 0) {
+	if (state->state == 0) {
 		if (state->tree) {
-			clear_state_cb(tree, state, state->state);
 			rb_erase(&state->rb_node, &tree->state);
 			state->tree = NULL;
 			free_extent_state(state);
@@ -514,6 +511,10 @@ int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
 	int set = 0;
 	int clear = 0;
 
+	if (delete)
+		bits |= ~EXTENT_CTLBITS;
+	bits |= EXTENT_FIRST_DELALLOC;
+
 	if (bits & (EXTENT_IOBITS | EXTENT_BOUNDARY))
 		clear = 1;
 again:
@@ -580,8 +581,7 @@ hit_next:
 		if (err)
 			goto out;
 		if (state->end <= end) {
-			set |= clear_state_bit(tree, state, bits, wake,
-					       delete);
+			set |= clear_state_bit(tree, state, &bits, wake);
 			if (last_end == (u64)-1)
 				goto out;
 			start = last_end + 1;
@@ -602,7 +602,7 @@ hit_next:
 		if (wake)
 			wake_up(&state->wq);
 
-		set |= clear_state_bit(tree, prealloc, bits, wake, delete);
+		set |= clear_state_bit(tree, prealloc, &bits, wake);
 
 		prealloc = NULL;
 		goto out;
@@ -613,7 +613,7 @@ hit_next:
 	else
 		next_node = NULL;
 
-	set |= clear_state_bit(tree, state, bits, wake, delete);
+	set |= clear_state_bit(tree, state, &bits, wake);
 	if (last_end == (u64)-1)
 		goto out;
 	start = last_end + 1;
@@ -706,19 +706,19 @@ out:
 
 static int set_state_bits(struct extent_io_tree *tree,
 			   struct extent_state *state,
-			   int bits)
+			   int *bits)
 {
 	int ret;
+	int bits_to_set = *bits & ~EXTENT_CTLBITS;
 
 	ret = set_state_cb(tree, state, bits);
 	if (ret)
 		return ret;
-
-	if ((bits & EXTENT_DIRTY) && !(state->state & EXTENT_DIRTY)) {
+	if ((bits_to_set & EXTENT_DIRTY) && !(state->state & EXTENT_DIRTY)) {
 		u64 range = state->end - state->start + 1;
 		tree->dirty_bytes += range;
 	}
-	state->state |= bits;
+	state->state |= bits_to_set;
 
 	return 0;
 }
@@ -757,6 +757,7 @@ static int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
 	u64 last_start;
 	u64 last_end;
 
+	bits |= EXTENT_FIRST_DELALLOC;
 again:
 	if (!prealloc && (mask & __GFP_WAIT)) {
 		prealloc = alloc_extent_state(mask);
@@ -778,7 +779,7 @@ again:
 	 */
 	node = tree_search(tree, start);
 	if (!node) {
-		err = insert_state(tree, prealloc, start, end, bits);
+		err = insert_state(tree, prealloc, start, end, &bits);
 		prealloc = NULL;
 		BUG_ON(err == -EEXIST);
 		goto out;
@@ -802,7 +803,7 @@ hit_next:
 			goto out;
 		}
 
-		err = set_state_bits(tree, state, bits);
+		err = set_state_bits(tree, state, &bits);
 		if (err)
 			goto out;
 
@@ -852,7 +853,7 @@ hit_next:
 		if (err)
 			goto out;
 		if (state->end <= end) {
-			err = set_state_bits(tree, state, bits);
+			err = set_state_bits(tree, state, &bits);
 			if (err)
 				goto out;
 			cache_state(state, cached_state);
@@ -877,7 +878,7 @@ hit_next:
 		else
 			this_end = last_start - 1;
 		err = insert_state(tree, prealloc, start, this_end,
-				   bits);
+				   &bits);
 		BUG_ON(err == -EEXIST);
 		if (err) {
 			prealloc = NULL;
@@ -903,7 +904,7 @@ hit_next:
 		err = split_state(tree, state, prealloc, end + 1);
 		BUG_ON(err == -EEXIST);
 
-		err = set_state_bits(tree, prealloc, bits);
+		err = set_state_bits(tree, prealloc, &bits);
 		if (err) {
 			prealloc = NULL;
 			goto out;
@@ -966,8 +967,7 @@ int clear_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end,
 {
 	return clear_extent_bit(tree, start, end,
 				EXTENT_DIRTY | EXTENT_DELALLOC |
-				EXTENT_DO_ACCOUNTING, 0, 0,
-				NULL, mask);
+				EXTENT_DO_ACCOUNTING, 0, 0, NULL, mask);
 }
 
 int set_extent_new(struct extent_io_tree *tree, u64 start, u64 end,
@@ -1435,9 +1435,6 @@ int extent_clear_unlock_delalloc(struct inode *inode,
 	if (op & EXTENT_CLEAR_DELALLOC)
 		clear_bits |= EXTENT_DELALLOC;
 
-	if (op & EXTENT_CLEAR_ACCOUNTING)
-		clear_bits |= EXTENT_DO_ACCOUNTING;
-
 	clear_extent_bit(tree, start, end, clear_bits, 1, 0, NULL, GFP_NOFS);
 	if (!(op & (EXTENT_CLEAR_UNLOCK_PAGE | EXTENT_CLEAR_DIRTY |
 		    EXTENT_SET_WRITEBACK | EXTENT_END_WRITEBACK |
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index bbab4813646..86f10dc791d 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -16,7 +16,9 @@
 #define EXTENT_BOUNDARY (1 << 9)
 #define EXTENT_NODATASUM (1 << 10)
 #define EXTENT_DO_ACCOUNTING (1 << 11)
+#define EXTENT_FIRST_DELALLOC (1 << 12)
 #define EXTENT_IOBITS (EXTENT_LOCKED | EXTENT_WRITEBACK)
+#define EXTENT_CTLBITS (EXTENT_DO_ACCOUNTING | EXTENT_FIRST_DELALLOC)
 
 /* flags for bio submission */
 #define EXTENT_BIO_COMPRESSED 1
@@ -69,10 +71,10 @@ struct extent_io_ops {
 				    struct extent_state *state);
 	int (*writepage_end_io_hook)(struct page *page, u64 start, u64 end,
 				      struct extent_state *state, int uptodate);
-	int (*set_bit_hook)(struct inode *inode, u64 start, u64 end,
-			    unsigned long old, unsigned long bits);
+	int (*set_bit_hook)(struct inode *inode, struct extent_state *state,
+			    int *bits);
 	int (*clear_bit_hook)(struct inode *inode, struct extent_state *state,
-			      unsigned long bits);
+			      int *bits);
 	int (*merge_extent_hook)(struct inode *inode,
 				 struct extent_state *new,
 				 struct extent_state *other);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 41e09e24e29..6d8f817eadb 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -852,13 +852,6 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 
 	vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE);
 
-	/* do the reserve before the mutex lock in case we have to do some
-	 * flushing.  We wouldn't deadlock, but this is more polite.
-	 */
-	err = btrfs_reserve_metadata_for_delalloc(root, inode, 1);
-	if (err)
-		goto out_nolock;
-
 	mutex_lock(&inode->i_mutex);
 
 	current->backing_dev_info = inode->i_mapping->backing_dev_info;
@@ -921,7 +914,7 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 		WARN_ON(num_pages > nrptrs);
 		memset(pages, 0, sizeof(struct page *) * nrptrs);
 
-		ret = btrfs_check_data_free_space(root, inode, write_bytes);
+		ret = btrfs_delalloc_reserve_space(inode, write_bytes);
 		if (ret)
 			goto out;
 
@@ -929,26 +922,20 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 				    pos, first_index, last_index,
 				    write_bytes);
 		if (ret) {
-			btrfs_free_reserved_data_space(root, inode,
-						       write_bytes);
+			btrfs_delalloc_release_space(inode, write_bytes);
 			goto out;
 		}
 
 		ret = btrfs_copy_from_user(pos, num_pages,
 					   write_bytes, pages, buf);
-		if (ret) {
-			btrfs_free_reserved_data_space(root, inode,
-						       write_bytes);
-			btrfs_drop_pages(pages, num_pages);
-			goto out;
+		if (ret == 0) {
+			dirty_and_release_pages(NULL, root, file, pages,
+						num_pages, pos, write_bytes);
 		}
 
-		ret = dirty_and_release_pages(NULL, root, file, pages,
-					      num_pages, pos, write_bytes);
 		btrfs_drop_pages(pages, num_pages);
 		if (ret) {
-			btrfs_free_reserved_data_space(root, inode,
-						       write_bytes);
+			btrfs_delalloc_release_space(inode, write_bytes);
 			goto out;
 		}
 
@@ -975,9 +962,7 @@ out:
 	mutex_unlock(&inode->i_mutex);
 	if (ret)
 		err = ret;
-	btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
 
-out_nolock:
 	kfree(pages);
 	if (pinned[0])
 		page_cache_release(pinned[0]);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c4b0fd12df6..6e54665d37f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -252,6 +252,7 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans,
 				   inline_len, compressed_size,
 				   compressed_pages);
 	BUG_ON(ret);
+	btrfs_delalloc_release_metadata(inode, end + 1 - start);
 	btrfs_drop_extent_cache(inode, start, aligned_end - 1, 0);
 	return 0;
 }
@@ -414,6 +415,7 @@ again:
 		trans = btrfs_join_transaction(root, 1);
 		BUG_ON(!trans);
 		btrfs_set_trans_block_group(trans, inode);
+		trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
 		/* lets try to make an inline extent */
 		if (ret || total_in < (actual_end - start)) {
@@ -439,7 +441,6 @@ again:
 			     start, end, NULL,
 			     EXTENT_CLEAR_UNLOCK_PAGE | EXTENT_CLEAR_DIRTY |
 			     EXTENT_CLEAR_DELALLOC |
-			     EXTENT_CLEAR_ACCOUNTING |
 			     EXTENT_SET_WRITEBACK | EXTENT_END_WRITEBACK);
 
 			btrfs_end_transaction(trans, root);
@@ -734,6 +735,7 @@ static noinline int cow_file_range(struct inode *inode,
 	trans = btrfs_join_transaction(root, 1);
 	BUG_ON(!trans);
 	btrfs_set_trans_block_group(trans, inode);
+	trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
 	actual_end = min_t(u64, isize, end + 1);
 
@@ -753,7 +755,6 @@ static noinline int cow_file_range(struct inode *inode,
 				     EXTENT_CLEAR_UNLOCK_PAGE |
 				     EXTENT_CLEAR_UNLOCK |
 				     EXTENT_CLEAR_DELALLOC |
-				     EXTENT_CLEAR_ACCOUNTING |
 				     EXTENT_CLEAR_DIRTY |
 				     EXTENT_SET_WRITEBACK |
 				     EXTENT_END_WRITEBACK);
@@ -1226,15 +1227,13 @@ static int run_delalloc_range(struct inode *inode, struct page *locked_page,
 }
 
 static int btrfs_split_extent_hook(struct inode *inode,
-				    struct extent_state *orig, u64 split)
+				   struct extent_state *orig, u64 split)
 {
+	/* not delalloc, ignore it */
 	if (!(orig->state & EXTENT_DELALLOC))
 		return 0;
 
-	spin_lock(&BTRFS_I(inode)->accounting_lock);
-	BTRFS_I(inode)->outstanding_extents++;
-	spin_unlock(&BTRFS_I(inode)->accounting_lock);
-
+	atomic_inc(&BTRFS_I(inode)->outstanding_extents);
 	return 0;
 }
 
@@ -1252,10 +1251,7 @@ static int btrfs_merge_extent_hook(struct inode *inode,
 	if (!(other->state & EXTENT_DELALLOC))
 		return 0;
 
-	spin_lock(&BTRFS_I(inode)->accounting_lock);
-	BTRFS_I(inode)->outstanding_extents--;
-	spin_unlock(&BTRFS_I(inode)->accounting_lock);
-
+	atomic_dec(&BTRFS_I(inode)->outstanding_extents);
 	return 0;
 }
 
@@ -1264,8 +1260,8 @@ static int btrfs_merge_extent_hook(struct inode *inode,
  * bytes in this file, and to maintain the list of inodes that
  * have pending delalloc work to be done.
  */
-static int btrfs_set_bit_hook(struct inode *inode, u64 start, u64 end,
-		       unsigned long old, unsigned long bits)
+static int btrfs_set_bit_hook(struct inode *inode,
+			      struct extent_state *state, int *bits)
 {
 
 	/*
@@ -1273,17 +1269,18 @@ static int btrfs_set_bit_hook(struct inode *inode, u64 start, u64 end,
 	 * but in this case, we are only testeing for the DELALLOC
 	 * bit, which is only set or cleared with irqs on
 	 */
-	if (!(old & EXTENT_DELALLOC) && (bits & EXTENT_DELALLOC)) {
+	if (!(state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
 		struct btrfs_root *root = BTRFS_I(inode)->root;
+		u64 len = state->end + 1 - state->start;
 
-		spin_lock(&BTRFS_I(inode)->accounting_lock);
-		BTRFS_I(inode)->outstanding_extents++;
-		spin_unlock(&BTRFS_I(inode)->accounting_lock);
-		btrfs_delalloc_reserve_space(root, inode, end - start + 1);
+		if (*bits & EXTENT_FIRST_DELALLOC)
+			*bits &= ~EXTENT_FIRST_DELALLOC;
+		else
+			atomic_inc(&BTRFS_I(inode)->outstanding_extents);
 
 		spin_lock(&root->fs_info->delalloc_lock);
-		BTRFS_I(inode)->delalloc_bytes += end - start + 1;
-		root->fs_info->delalloc_bytes += end - start + 1;
+		BTRFS_I(inode)->delalloc_bytes += len;
+		root->fs_info->delalloc_bytes += len;
 		if (list_empty(&BTRFS_I(inode)->delalloc_inodes)) {
 			list_add_tail(&BTRFS_I(inode)->delalloc_inodes,
 				      &root->fs_info->delalloc_inodes);
@@ -1297,45 +1294,32 @@ static int btrfs_set_bit_hook(struct inode *inode, u64 start, u64 end,
  * extent_io.c clear_bit_hook, see set_bit_hook for why
  */
 static int btrfs_clear_bit_hook(struct inode *inode,
-				struct extent_state *state, unsigned long bits)
+				struct extent_state *state, int *bits)
 {
 	/*
 	 * set_bit and clear bit hooks normally require _irqsave/restore
 	 * but in this case, we are only testeing for the DELALLOC
 	 * bit, which is only set or cleared with irqs on
 	 */
-	if ((state->state & EXTENT_DELALLOC) && (bits & EXTENT_DELALLOC)) {
+	if ((state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
 		struct btrfs_root *root = BTRFS_I(inode)->root;
+		u64 len = state->end + 1 - state->start;
 
-		if (bits & EXTENT_DO_ACCOUNTING) {
-			spin_lock(&BTRFS_I(inode)->accounting_lock);
-			WARN_ON(!BTRFS_I(inode)->outstanding_extents);
-			BTRFS_I(inode)->outstanding_extents--;
-			spin_unlock(&BTRFS_I(inode)->accounting_lock);
-			btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
-		}
+		if (*bits & EXTENT_FIRST_DELALLOC)
+			*bits &= ~EXTENT_FIRST_DELALLOC;
+		else if (!(*bits & EXTENT_DO_ACCOUNTING))
+			atomic_dec(&BTRFS_I(inode)->outstanding_extents);
+
+		if (*bits & EXTENT_DO_ACCOUNTING)
+			btrfs_delalloc_release_metadata(inode, len);
+
+		if (root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID)
+			btrfs_free_reserved_data_space(inode, len);
 
 		spin_lock(&root->fs_info->delalloc_lock);
-		if (state->end - state->start + 1 >
-		    root->fs_info->delalloc_bytes) {
-			printk(KERN_INFO "btrfs warning: delalloc account "
-			       "%llu %llu\n",
-			       (unsigned long long)
-			       state->end - state->start + 1,
-			       (unsigned long long)
-			       root->fs_info->delalloc_bytes);
-			btrfs_delalloc_free_space(root, inode, (u64)-1);
-			root->fs_info->delalloc_bytes = 0;
-			BTRFS_I(inode)->delalloc_bytes = 0;
-		} else {
-			btrfs_delalloc_free_space(root, inode,
-						  state->end -
-						  state->start + 1);
-			root->fs_info->delalloc_bytes -= state->end -
-				state->start + 1;
-			BTRFS_I(inode)->delalloc_bytes -= state->end -
-				state->start + 1;
-		}
+		root->fs_info->delalloc_bytes -= len;
+		BTRFS_I(inode)->delalloc_bytes -= len;
+
 		if (BTRFS_I(inode)->delalloc_bytes == 0 &&
 		    !list_empty(&BTRFS_I(inode)->delalloc_inodes)) {
 			list_del_init(&BTRFS_I(inode)->delalloc_inodes);
@@ -1520,6 +1504,7 @@ again:
 		goto again;
 	}
 
+	BUG();
 	btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state);
 	ClearPageChecked(page);
 out:
@@ -1650,7 +1635,7 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans,
 static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
-	struct btrfs_trans_handle *trans;
+	struct btrfs_trans_handle *trans = NULL;
 	struct btrfs_ordered_extent *ordered_extent = NULL;
 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
 	struct extent_state *cached_state = NULL;
@@ -1668,9 +1653,10 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 		ret = btrfs_ordered_update_i_size(inode, 0, ordered_extent);
 		if (!ret) {
 			trans = btrfs_join_transaction(root, 1);
+			btrfs_set_trans_block_group(trans, inode);
+			trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 			ret = btrfs_update_inode(trans, root, inode);
 			BUG_ON(ret);
-			btrfs_end_transaction(trans, root);
 		}
 		goto out;
 	}
@@ -1680,6 +1666,8 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 			 0, &cached_state, GFP_NOFS);
 
 	trans = btrfs_join_transaction(root, 1);
+	btrfs_set_trans_block_group(trans, inode);
+	trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
 	if (test_bit(BTRFS_ORDERED_COMPRESSED, &ordered_extent->flags))
 		compressed = 1;
@@ -1711,12 +1699,13 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 	add_pending_csums(trans, inode, ordered_extent->file_offset,
 			  &ordered_extent->list);
 
-	/* this also removes the ordered extent from the tree */
 	btrfs_ordered_update_i_size(inode, 0, ordered_extent);
 	ret = btrfs_update_inode(trans, root, inode);
 	BUG_ON(ret);
-	btrfs_end_transaction(trans, root);
 out:
+	btrfs_delalloc_release_metadata(inode, ordered_extent->len);
+	if (trans)
+		btrfs_end_transaction(trans, root);
 	/* once for us */
 	btrfs_put_ordered_extent(ordered_extent);
 	/* once for the tree */
@@ -3219,11 +3208,7 @@ static int btrfs_truncate_page(struct address_space *mapping, loff_t from)
 
 	if ((offset & (blocksize - 1)) == 0)
 		goto out;
-	ret = btrfs_check_data_free_space(root, inode, PAGE_CACHE_SIZE);
-	if (ret)
-		goto out;
-
-	ret = btrfs_reserve_metadata_for_delalloc(root, inode, 1);
+	ret = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
 	if (ret)
 		goto out;
 
@@ -3231,8 +3216,7 @@ static int btrfs_truncate_page(struct address_space *mapping, loff_t from)
 again:
 	page = grab_cache_page(mapping, index);
 	if (!page) {
-		btrfs_free_reserved_data_space(root, inode, PAGE_CACHE_SIZE);
-		btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
+		btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
 		goto out;
 	}
 
@@ -3295,8 +3279,7 @@ again:
 
 out_unlock:
 	if (ret)
-		btrfs_free_reserved_data_space(root, inode, PAGE_CACHE_SIZE);
-	btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
+		btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
 	unlock_page(page);
 	page_cache_release(page);
 out:
@@ -4878,6 +4861,7 @@ again:
 			}
 			flush_dcache_page(page);
 		} else if (create && PageUptodate(page)) {
+			WARN_ON(1);
 			if (!trans) {
 				kunmap(page);
 				free_extent_map(em);
@@ -5142,7 +5126,7 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	u64 page_start;
 	u64 page_end;
 
-	ret = btrfs_check_data_free_space(root, inode, PAGE_CACHE_SIZE);
+	ret  = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
 	if (ret) {
 		if (ret == -ENOMEM)
 			ret = VM_FAULT_OOM;
@@ -5151,13 +5135,6 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 		goto out;
 	}
 
-	ret = btrfs_reserve_metadata_for_delalloc(root, inode, 1);
-	if (ret) {
-		btrfs_free_reserved_data_space(root, inode, PAGE_CACHE_SIZE);
-		ret = VM_FAULT_SIGBUS;
-		goto out;
-	}
-
 	ret = VM_FAULT_NOPAGE; /* make the VM retry the fault */
 again:
 	lock_page(page);
@@ -5167,7 +5144,6 @@ again:
 
 	if ((page->mapping != inode->i_mapping) ||
 	    (page_start >= size)) {
-		btrfs_free_reserved_data_space(root, inode, PAGE_CACHE_SIZE);
 		/* page got truncated out from underneath us */
 		goto out_unlock;
 	}
@@ -5208,7 +5184,6 @@ again:
 		unlock_extent_cached(io_tree, page_start, page_end,
 				     &cached_state, GFP_NOFS);
 		ret = VM_FAULT_SIGBUS;
-		btrfs_free_reserved_data_space(root, inode, PAGE_CACHE_SIZE);
 		goto out_unlock;
 	}
 	ret = 0;
@@ -5235,10 +5210,10 @@ again:
 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state, GFP_NOFS);
 
 out_unlock:
-	btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
 	if (!ret)
 		return VM_FAULT_LOCKED;
 	unlock_page(page);
+	btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
 out:
 	return ret;
 }
@@ -5383,7 +5358,7 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
 	ei->last_unlink_trans = 0;
 
 	spin_lock_init(&ei->accounting_lock);
-	ei->outstanding_extents = 0;
+	atomic_set(&ei->outstanding_extents, 0);
 	ei->reserved_extents = 0;
 
 	ei->ordered_data_close = 0;
@@ -5411,6 +5386,8 @@ void btrfs_destroy_inode(struct inode *inode)
 
 	WARN_ON(!list_empty(&inode->i_dentry));
 	WARN_ON(inode->i_data.nrpages);
+	WARN_ON(atomic_read(&BTRFS_I(inode)->outstanding_extents));
+	WARN_ON(BTRFS_I(inode)->reserved_extents);
 
 	/*
 	 * This can happen where we create an inode, but somebody else also
@@ -5970,8 +5947,7 @@ static long btrfs_fallocate(struct inode *inode, int mode,
 			goto out;
 	}
 
-	ret = btrfs_check_data_free_space(BTRFS_I(inode)->root, inode,
-					  alloc_end - alloc_start);
+	ret = btrfs_check_data_free_space(inode, alloc_end - alloc_start);
 	if (ret)
 		goto out;
 
@@ -6037,8 +6013,7 @@ static long btrfs_fallocate(struct inode *inode, int mode,
 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,
 			     &cached_state, GFP_NOFS);
 
-	btrfs_free_reserved_data_space(BTRFS_I(inode)->root, inode,
-				       alloc_end - alloc_start);
+	btrfs_free_reserved_data_space(inode, alloc_end - alloc_start);
 out:
 	mutex_unlock(&inode->i_mutex);
 	return ret;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 3066da468c6..6a706e69137 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -587,19 +587,9 @@ static int btrfs_defrag_file(struct file *file,
 		if (range->flags & BTRFS_DEFRAG_RANGE_COMPRESS)
 			BTRFS_I(inode)->force_compress = 1;
 
-		ret = btrfs_check_data_free_space(root, inode, PAGE_CACHE_SIZE);
-		if (ret) {
-			ret = -ENOSPC;
-			break;
-		}
-
-		ret = btrfs_reserve_metadata_for_delalloc(root, inode, 1);
-		if (ret) {
-			btrfs_free_reserved_data_space(root, inode,
-						       PAGE_CACHE_SIZE);
-			ret = -ENOSPC;
-			break;
-		}
+		ret  = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
+		if (ret)
+			goto err_unlock;
 again:
 		if (inode->i_size == 0 ||
 		    i > ((inode->i_size - 1) >> PAGE_CACHE_SHIFT)) {
@@ -608,8 +598,10 @@ again:
 		}
 
 		page = grab_cache_page(inode->i_mapping, i);
-		if (!page)
+		if (!page) {
+			ret = -ENOMEM;
 			goto err_reservations;
+		}
 
 		if (!PageUptodate(page)) {
 			btrfs_readpage(NULL, page);
@@ -617,6 +609,7 @@ again:
 			if (!PageUptodate(page)) {
 				unlock_page(page);
 				page_cache_release(page);
+				ret = -EIO;
 				goto err_reservations;
 			}
 		}
@@ -630,8 +623,7 @@ again:
 		wait_on_page_writeback(page);
 
 		if (PageDirty(page)) {
-			btrfs_free_reserved_data_space(root, inode,
-						       PAGE_CACHE_SIZE);
+			btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
 			goto loop_unlock;
 		}
 
@@ -669,7 +661,6 @@ loop_unlock:
 		page_cache_release(page);
 		mutex_unlock(&inode->i_mutex);
 
-		btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
 		balance_dirty_pages_ratelimited_nr(inode->i_mapping, 1);
 		i++;
 	}
@@ -699,9 +690,9 @@ loop_unlock:
 	return 0;
 
 err_reservations:
+	btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
+err_unlock:
 	mutex_unlock(&inode->i_mutex);
-	btrfs_free_reserved_data_space(root, inode, PAGE_CACHE_SIZE);
-	btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
 	return ret;
 }
 
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index a127c0ebb2d..c9f1020572f 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -311,13 +311,6 @@ static int __btrfs_remove_ordered_extent(struct inode *inode,
 	tree->last = NULL;
 	set_bit(BTRFS_ORDERED_COMPLETE, &entry->flags);
 
-	spin_lock(&BTRFS_I(inode)->accounting_lock);
-	WARN_ON(!BTRFS_I(inode)->outstanding_extents);
-	BTRFS_I(inode)->outstanding_extents--;
-	spin_unlock(&BTRFS_I(inode)->accounting_lock);
-	btrfs_unreserve_metadata_for_delalloc(BTRFS_I(inode)->root,
-					      inode, 1);
-
 	spin_lock(&root->fs_info->ordered_extent_lock);
 	list_del_init(&entry->root_extent_list);
 

From 8929ecfa50f266163832eeacfbc3642ed5eb83b6 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:49:58 -0400
Subject: [PATCH 2965/3638] Btrfs: Introduce global metadata reservation

Reserve metadata space for extent tree, checksum tree and root tree

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.h       |   8 +--
 fs/btrfs/disk-io.c     |  59 ++++++++--------
 fs/btrfs/extent-tree.c | 149 +++++++++++++++++++++++++++++++++++------
 fs/btrfs/inode.c       |  13 +++-
 fs/btrfs/ioctl.c       |  10 ++-
 fs/btrfs/transaction.c |  70 +++++++++++++++----
 fs/btrfs/transaction.h |   3 +
 fs/btrfs/tree-defrag.c |   7 +-
 8 files changed, 242 insertions(+), 77 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index d4744192ead..504d5daf2f1 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -683,21 +683,15 @@ struct btrfs_space_info {
 	u64 bytes_reserved;	/* total bytes the allocator has reserved for
 				   current allocations */
 	u64 bytes_readonly;	/* total bytes that are read only */
-	u64 bytes_super;	/* total bytes reserved for the super blocks */
-	u64 bytes_root;		/* the number of bytes needed to commit a
-				   transaction */
+
 	u64 bytes_may_use;	/* number of bytes that may be used for
 				   delalloc/allocations */
-	u64 bytes_delalloc;	/* number of bytes currently reserved for
-				   delayed allocation */
 	u64 disk_used;		/* total bytes used on disk */
 
 	int full;		/* indicates that we cannot allocate any more
 				   chunks for this space */
 	int force_alloc;	/* set if we need to force a chunk alloc for
 				   this space */
-	int force_delalloc;	/* make people start doing filemap_flush until
-				   we're under a threshold */
 
 	struct list_head list;
 
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 054b4475c75..309d8c08a64 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1463,10 +1463,6 @@ static int cleaner_kthread(void *arg)
 	struct btrfs_root *root = arg;
 
 	do {
-		smp_mb();
-		if (root->fs_info->closing)
-			break;
-
 		vfs_check_frozen(root->fs_info->sb, SB_FREEZE_WRITE);
 
 		if (!(root->fs_info->sb->s_flags & MS_RDONLY) &&
@@ -1479,11 +1475,9 @@ static int cleaner_kthread(void *arg)
 		if (freezing(current)) {
 			refrigerator();
 		} else {
-			smp_mb();
-			if (root->fs_info->closing)
-				break;
 			set_current_state(TASK_INTERRUPTIBLE);
-			schedule();
+			if (!kthread_should_stop())
+				schedule();
 			__set_current_state(TASK_RUNNING);
 		}
 	} while (!kthread_should_stop());
@@ -1495,36 +1489,40 @@ static int transaction_kthread(void *arg)
 	struct btrfs_root *root = arg;
 	struct btrfs_trans_handle *trans;
 	struct btrfs_transaction *cur;
+	u64 transid;
 	unsigned long now;
 	unsigned long delay;
 	int ret;
 
 	do {
-		smp_mb();
-		if (root->fs_info->closing)
-			break;
-
 		delay = HZ * 30;
 		vfs_check_frozen(root->fs_info->sb, SB_FREEZE_WRITE);
 		mutex_lock(&root->fs_info->transaction_kthread_mutex);
 
-		mutex_lock(&root->fs_info->trans_mutex);
+		spin_lock(&root->fs_info->new_trans_lock);
 		cur = root->fs_info->running_transaction;
 		if (!cur) {
-			mutex_unlock(&root->fs_info->trans_mutex);
+			spin_unlock(&root->fs_info->new_trans_lock);
 			goto sleep;
 		}
 
 		now = get_seconds();
-		if (now < cur->start_time || now - cur->start_time < 30) {
-			mutex_unlock(&root->fs_info->trans_mutex);
+		if (!cur->blocked &&
+		    (now < cur->start_time || now - cur->start_time < 30)) {
+			spin_unlock(&root->fs_info->new_trans_lock);
 			delay = HZ * 5;
 			goto sleep;
 		}
-		mutex_unlock(&root->fs_info->trans_mutex);
-		trans = btrfs_join_transaction(root, 1);
-		ret = btrfs_commit_transaction(trans, root);
+		transid = cur->transid;
+		spin_unlock(&root->fs_info->new_trans_lock);
 
+		trans = btrfs_join_transaction(root, 1);
+		if (transid == trans->transid) {
+			ret = btrfs_commit_transaction(trans, root);
+			BUG_ON(ret);
+		} else {
+			btrfs_end_transaction(trans, root);
+		}
 sleep:
 		wake_up_process(root->fs_info->cleaner_kthread);
 		mutex_unlock(&root->fs_info->transaction_kthread_mutex);
@@ -1532,10 +1530,10 @@ sleep:
 		if (freezing(current)) {
 			refrigerator();
 		} else {
-			if (root->fs_info->closing)
-				break;
 			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(delay);
+			if (!kthread_should_stop() &&
+			    !btrfs_transaction_blocked(root->fs_info))
+				schedule_timeout(delay);
 			__set_current_state(TASK_RUNNING);
 		}
 	} while (!kthread_should_stop());
@@ -1917,17 +1915,18 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 
 	csum_root->track_dirty = 1;
 
+	fs_info->generation = generation;
+	fs_info->last_trans_committed = generation;
+	fs_info->data_alloc_profile = (u64)-1;
+	fs_info->metadata_alloc_profile = (u64)-1;
+	fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
+
 	ret = btrfs_read_block_groups(extent_root);
 	if (ret) {
 		printk(KERN_ERR "Failed to read block groups: %d\n", ret);
 		goto fail_block_groups;
 	}
 
-	fs_info->generation = generation;
-	fs_info->last_trans_committed = generation;
-	fs_info->data_alloc_profile = (u64)-1;
-	fs_info->metadata_alloc_profile = (u64)-1;
-	fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
 	fs_info->cleaner_kthread = kthread_run(cleaner_kthread, tree_root,
 					       "btrfs-cleaner");
 	if (IS_ERR(fs_info->cleaner_kthread))
@@ -2430,15 +2429,15 @@ int close_ctree(struct btrfs_root *root)
 	fs_info->closing = 1;
 	smp_mb();
 
-	kthread_stop(root->fs_info->transaction_kthread);
-	kthread_stop(root->fs_info->cleaner_kthread);
-
 	if (!(fs_info->sb->s_flags & MS_RDONLY)) {
 		ret =  btrfs_commit_super(root);
 		if (ret)
 			printk(KERN_ERR "btrfs: commit super ret %d\n", ret);
 	}
 
+	kthread_stop(root->fs_info->transaction_kthread);
+	kthread_stop(root->fs_info->cleaner_kthread);
+
 	fs_info->closing = 2;
 	smp_mb();
 
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b1822e752b4..cb814a71800 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2895,10 +2895,9 @@ int btrfs_check_data_free_space(struct inode *inode, u64 bytes)
 again:
 	/* make sure we have enough space to handle the data first */
 	spin_lock(&data_sinfo->lock);
-	used = data_sinfo->bytes_used + data_sinfo->bytes_delalloc +
-		data_sinfo->bytes_reserved + data_sinfo->bytes_pinned +
-		data_sinfo->bytes_readonly + data_sinfo->bytes_may_use +
-		data_sinfo->bytes_super;
+	used = data_sinfo->bytes_used + data_sinfo->bytes_reserved +
+		data_sinfo->bytes_pinned + data_sinfo->bytes_readonly +
+		data_sinfo->bytes_may_use;
 
 	if (used + bytes > data_sinfo->total_bytes) {
 		struct btrfs_trans_handle *trans;
@@ -2922,7 +2921,7 @@ alloc:
 					     bytes + 2 * 1024 * 1024,
 					     alloc_target, 0);
 			btrfs_end_transaction(trans, root);
-			if (ret)
+			if (ret < 0)
 				return ret;
 
 			if (!data_sinfo) {
@@ -2945,11 +2944,10 @@ alloc:
 			goto again;
 		}
 
-		printk(KERN_ERR "no space left, need %llu, %llu delalloc bytes"
-		       ", %llu bytes_used, %llu bytes_reserved, "
-		       "%llu bytes_pinned, %llu bytes_readonly, %llu may use "
-		       "%llu total\n", (unsigned long long)bytes,
-		       (unsigned long long)data_sinfo->bytes_delalloc,
+		printk(KERN_ERR "no space left, need %llu, %llu bytes_used, "
+		       "%llu bytes_reserved, " "%llu bytes_pinned, "
+		       "%llu bytes_readonly, %llu may use %llu total\n",
+		       (unsigned long long)bytes,
 		       (unsigned long long)data_sinfo->bytes_used,
 		       (unsigned long long)data_sinfo->bytes_reserved,
 		       (unsigned long long)data_sinfo->bytes_pinned,
@@ -3464,6 +3462,91 @@ void btrfs_block_rsv_release(struct btrfs_root *root,
 	block_rsv_release_bytes(block_rsv, global_rsv, num_bytes);
 }
 
+/*
+ * helper to calculate size of global block reservation.
+ * the desired value is sum of space used by extent tree,
+ * checksum tree and root tree
+ */
+static u64 calc_global_metadata_size(struct btrfs_fs_info *fs_info)
+{
+	struct btrfs_space_info *sinfo;
+	u64 num_bytes;
+	u64 meta_used;
+	u64 data_used;
+	int csum_size = btrfs_super_csum_size(&fs_info->super_copy);
+#if 0
+	/*
+	 * per tree used space accounting can be inaccuracy, so we
+	 * can't rely on it.
+	 */
+	spin_lock(&fs_info->extent_root->accounting_lock);
+	num_bytes = btrfs_root_used(&fs_info->extent_root->root_item);
+	spin_unlock(&fs_info->extent_root->accounting_lock);
+
+	spin_lock(&fs_info->csum_root->accounting_lock);
+	num_bytes += btrfs_root_used(&fs_info->csum_root->root_item);
+	spin_unlock(&fs_info->csum_root->accounting_lock);
+
+	spin_lock(&fs_info->tree_root->accounting_lock);
+	num_bytes += btrfs_root_used(&fs_info->tree_root->root_item);
+	spin_unlock(&fs_info->tree_root->accounting_lock);
+#endif
+	sinfo = __find_space_info(fs_info, BTRFS_BLOCK_GROUP_DATA);
+	spin_lock(&sinfo->lock);
+	data_used = sinfo->bytes_used;
+	spin_unlock(&sinfo->lock);
+
+	sinfo = __find_space_info(fs_info, BTRFS_BLOCK_GROUP_METADATA);
+	spin_lock(&sinfo->lock);
+	meta_used = sinfo->bytes_used;
+	spin_unlock(&sinfo->lock);
+
+	num_bytes = (data_used >> fs_info->sb->s_blocksize_bits) *
+		    csum_size * 2;
+	num_bytes += div64_u64(data_used + meta_used, 50);
+
+	if (num_bytes * 3 > meta_used)
+		num_bytes = div64_u64(meta_used, 3);
+
+	return ALIGN(num_bytes, fs_info->extent_root->leafsize << 10);
+}
+
+static void update_global_block_rsv(struct btrfs_fs_info *fs_info)
+{
+	struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;
+	struct btrfs_space_info *sinfo = block_rsv->space_info;
+	u64 num_bytes;
+
+	num_bytes = calc_global_metadata_size(fs_info);
+
+	spin_lock(&block_rsv->lock);
+	spin_lock(&sinfo->lock);
+
+	block_rsv->size = num_bytes;
+
+	num_bytes = sinfo->bytes_used + sinfo->bytes_pinned +
+		    sinfo->bytes_reserved + sinfo->bytes_readonly;
+
+	if (sinfo->total_bytes > num_bytes) {
+		num_bytes = sinfo->total_bytes - num_bytes;
+		block_rsv->reserved += num_bytes;
+		sinfo->bytes_reserved += num_bytes;
+	}
+
+	if (block_rsv->reserved >= block_rsv->size) {
+		num_bytes = block_rsv->reserved - block_rsv->size;
+		sinfo->bytes_reserved -= num_bytes;
+		block_rsv->reserved = block_rsv->size;
+		block_rsv->full = 1;
+	}
+#if 0
+	printk(KERN_INFO"global block rsv size %llu reserved %llu\n",
+		block_rsv->size, block_rsv->reserved);
+#endif
+	spin_unlock(&sinfo->lock);
+	spin_unlock(&block_rsv->lock);
+}
+
 static void init_global_block_rsv(struct btrfs_fs_info *fs_info)
 {
 	struct btrfs_space_info *space_info;
@@ -3473,11 +3556,36 @@ static void init_global_block_rsv(struct btrfs_fs_info *fs_info)
 	fs_info->chunk_block_rsv.priority = 10;
 
 	space_info = __find_space_info(fs_info, BTRFS_BLOCK_GROUP_METADATA);
+	fs_info->global_block_rsv.space_info = space_info;
+	fs_info->global_block_rsv.priority = 10;
+	fs_info->global_block_rsv.refill_used = 1;
+	fs_info->delalloc_block_rsv.space_info = space_info;
 	fs_info->trans_block_rsv.space_info = space_info;
 	fs_info->empty_block_rsv.space_info = space_info;
 	fs_info->empty_block_rsv.priority = 10;
 
+	fs_info->extent_root->block_rsv = &fs_info->global_block_rsv;
+	fs_info->csum_root->block_rsv = &fs_info->global_block_rsv;
+	fs_info->dev_root->block_rsv = &fs_info->global_block_rsv;
+	fs_info->tree_root->block_rsv = &fs_info->global_block_rsv;
 	fs_info->chunk_root->block_rsv = &fs_info->chunk_block_rsv;
+
+	btrfs_add_durable_block_rsv(fs_info, &fs_info->global_block_rsv);
+
+	btrfs_add_durable_block_rsv(fs_info, &fs_info->delalloc_block_rsv);
+
+	update_global_block_rsv(fs_info);
+}
+
+static void release_global_block_rsv(struct btrfs_fs_info *fs_info)
+{
+	block_rsv_release_bytes(&fs_info->global_block_rsv, NULL, (u64)-1);
+	WARN_ON(fs_info->delalloc_block_rsv.size > 0);
+	WARN_ON(fs_info->delalloc_block_rsv.reserved > 0);
+	WARN_ON(fs_info->trans_block_rsv.size > 0);
+	WARN_ON(fs_info->trans_block_rsv.reserved > 0);
+	WARN_ON(fs_info->chunk_block_rsv.size > 0);
+	WARN_ON(fs_info->chunk_block_rsv.reserved > 0);
 }
 
 static u64 calc_trans_metadata_size(struct btrfs_root *root, int num_items)
@@ -3826,6 +3934,8 @@ int btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans,
 		fs_info->pinned_extents = &fs_info->freed_extents[0];
 
 	up_write(&fs_info->extent_commit_sem);
+
+	update_global_block_rsv(fs_info);
 	return 0;
 }
 
@@ -4818,19 +4928,16 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 	printk(KERN_INFO "space_info has %llu free, is %sfull\n",
 	       (unsigned long long)(info->total_bytes - info->bytes_used -
 				    info->bytes_pinned - info->bytes_reserved -
-				    info->bytes_super),
+				    info->bytes_readonly),
 	       (info->full) ? "" : "not ");
-	printk(KERN_INFO "space_info total=%llu, pinned=%llu, delalloc=%llu,"
-	       " may_use=%llu, used=%llu, root=%llu, super=%llu, reserved=%llu"
-	       "\n",
+	printk(KERN_INFO "space_info total=%llu, used=%llu, pinned=%llu, "
+	       "reserved=%llu, may_use=%llu, readonly=%llu\n",
 	       (unsigned long long)info->total_bytes,
-	       (unsigned long long)info->bytes_pinned,
-	       (unsigned long long)info->bytes_delalloc,
-	       (unsigned long long)info->bytes_may_use,
 	       (unsigned long long)info->bytes_used,
-	       (unsigned long long)info->bytes_root,
-	       (unsigned long long)info->bytes_super,
-	       (unsigned long long)info->bytes_reserved);
+	       (unsigned long long)info->bytes_pinned,
+	       (unsigned long long)info->bytes_reserved,
+	       (unsigned long long)info->bytes_may_use,
+	       (unsigned long long)info->bytes_readonly);
 	spin_unlock(&info->lock);
 
 	if (!dump_block_groups)
@@ -7727,6 +7834,8 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
 	 */
 	synchronize_rcu();
 
+	release_global_block_rsv(info);
+
 	while(!list_empty(&info->space_info)) {
 		space_info = list_entry(info->space_info.next,
 					struct btrfs_space_info,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6e54665d37f..f9c40b83945 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4060,7 +4060,7 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc)
 	struct btrfs_trans_handle *trans;
 	int ret = 0;
 
-	if (root->fs_info->btree_inode == inode)
+	if (BTRFS_I(inode)->dummy_inode)
 		return 0;
 
 	if (wbc->sync_mode == WB_SYNC_ALL) {
@@ -4081,10 +4081,19 @@ void btrfs_dirty_inode(struct inode *inode)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_trans_handle *trans;
+	int ret;
+
+	if (BTRFS_I(inode)->dummy_inode)
+		return;
 
 	trans = btrfs_join_transaction(root, 1);
 	btrfs_set_trans_block_group(trans, inode);
-	btrfs_update_inode(trans, root, inode);
+
+	ret = btrfs_update_inode(trans, root, inode);
+	if (ret)
+		printk(KERN_ERR"btrfs: fail to dirty inode %lu error %d\n",
+			inode->i_ino, ret);
+
 	btrfs_end_transaction(trans, root);
 }
 
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 6a706e69137..a0686658a3f 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1341,8 +1341,10 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
 			ret = -EPERM;
 			goto out;
 		}
-		btrfs_defrag_root(root, 0);
-		btrfs_defrag_root(root->fs_info->extent_root, 0);
+		ret = btrfs_defrag_root(root, 0);
+		if (ret)
+			goto out;
+		ret = btrfs_defrag_root(root->fs_info->extent_root, 0);
 		break;
 	case S_IFREG:
 		if (!(file->f_mode & FMODE_WRITE)) {
@@ -1372,9 +1374,11 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
 			/* the rest are all set to zero by kzalloc */
 			range->len = (u64)-1;
 		}
-		btrfs_defrag_file(file, range);
+		ret = btrfs_defrag_file(file, range);
 		kfree(range);
 		break;
+	default:
+		ret = -EINVAL;
 	}
 out:
 	mnt_drop_write(file->f_path.mnt);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 2616491a5c5..6217bb6d516 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -321,10 +321,36 @@ void btrfs_throttle(struct btrfs_root *root)
 	mutex_unlock(&root->fs_info->trans_mutex);
 }
 
+static int should_end_transaction(struct btrfs_trans_handle *trans,
+				  struct btrfs_root *root)
+{
+	int ret;
+	ret = btrfs_block_rsv_check(trans, root,
+				    &root->fs_info->global_block_rsv, 0, 5);
+	return ret ? 1 : 0;
+}
+
+int btrfs_should_end_transaction(struct btrfs_trans_handle *trans,
+				 struct btrfs_root *root)
+{
+	struct btrfs_transaction *cur_trans = trans->transaction;
+	int updates;
+
+	if (cur_trans->blocked || cur_trans->delayed_refs.flushing)
+		return 1;
+
+	updates = trans->delayed_ref_updates;
+	trans->delayed_ref_updates = 0;
+	if (updates)
+		btrfs_run_delayed_refs(trans, root, updates);
+
+	return should_end_transaction(trans, root);
+}
+
 static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *root, int throttle)
 {
-	struct btrfs_transaction *cur_trans;
+	struct btrfs_transaction *cur_trans = trans->transaction;
 	struct btrfs_fs_info *info = root->fs_info;
 	int count = 0;
 
@@ -350,9 +376,19 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
 
 	btrfs_trans_release_metadata(trans, root);
 
+	if (!root->fs_info->open_ioctl_trans &&
+	    should_end_transaction(trans, root))
+		trans->transaction->blocked = 1;
+
+	if (cur_trans->blocked && !cur_trans->in_commit) {
+		if (throttle)
+			return btrfs_commit_transaction(trans, root);
+		else
+			wake_up_process(info->transaction_kthread);
+	}
+
 	mutex_lock(&info->trans_mutex);
-	cur_trans = info->running_transaction;
-	WARN_ON(cur_trans != trans->transaction);
+	WARN_ON(cur_trans != info->running_transaction);
 	WARN_ON(cur_trans->num_writers < 1);
 	cur_trans->num_writers--;
 
@@ -664,30 +700,30 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans,
 int btrfs_defrag_root(struct btrfs_root *root, int cacheonly)
 {
 	struct btrfs_fs_info *info = root->fs_info;
-	int ret;
 	struct btrfs_trans_handle *trans;
+	int ret;
 	unsigned long nr;
 
-	smp_mb();
-	if (root->defrag_running)
+	if (xchg(&root->defrag_running, 1))
 		return 0;
-	trans = btrfs_start_transaction(root, 1);
+
 	while (1) {
-		root->defrag_running = 1;
+		trans = btrfs_start_transaction(root, 0);
+		if (IS_ERR(trans))
+			return PTR_ERR(trans);
+
 		ret = btrfs_defrag_leaves(trans, root, cacheonly);
+
 		nr = trans->blocks_used;
 		btrfs_end_transaction(trans, root);
 		btrfs_btree_balance_dirty(info->tree_root, nr);
 		cond_resched();
 
-		trans = btrfs_start_transaction(root, 1);
 		if (root->fs_info->closing || ret != -EAGAIN)
 			break;
 	}
 	root->defrag_running = 0;
-	smp_mb();
-	btrfs_end_transaction(trans, root);
-	return 0;
+	return ret;
 }
 
 #if 0
@@ -924,6 +960,16 @@ int btrfs_transaction_in_commit(struct btrfs_fs_info *info)
 	return ret;
 }
 
+int btrfs_transaction_blocked(struct btrfs_fs_info *info)
+{
+	int ret = 0;
+	spin_lock(&info->new_trans_lock);
+	if (info->running_transaction)
+		ret = info->running_transaction->blocked;
+	spin_unlock(&info->new_trans_lock);
+	return ret;
+}
+
 int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root)
 {
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 14b3841b75d..e104986d0bf 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -106,6 +106,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root);
 int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans,
 				   struct btrfs_root *root);
+int btrfs_should_end_transaction(struct btrfs_trans_handle *trans,
+				 struct btrfs_root *root);
 void btrfs_throttle(struct btrfs_root *root);
 int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root);
@@ -115,5 +117,6 @@ int btrfs_write_marked_extents(struct btrfs_root *root,
 				struct extent_io_tree *dirty_pages, int mark);
 int btrfs_wait_marked_extents(struct btrfs_root *root,
 				struct extent_io_tree *dirty_pages, int mark);
+int btrfs_transaction_blocked(struct btrfs_fs_info *info);
 int btrfs_transaction_in_commit(struct btrfs_fs_info *info);
 #endif
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index b10eacdb162..f7ac8e013ed 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c
@@ -117,13 +117,14 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
 				 path->nodes[1], 0,
 				 cache_only, &last_ret,
 				 &root->defrag_progress);
-	WARN_ON(ret && ret != -EAGAIN);
+	if (ret) {
+		WARN_ON(ret == -EAGAIN);
+		goto out;
+	}
 	if (next_key_ret == 0) {
 		memcpy(&root->defrag_progress, &key, sizeof(key));
 		ret = -EAGAIN;
 	}
-
-	btrfs_release_path(root, path);
 out:
 	if (path)
 		btrfs_free_path(path);

From d68fc57b7e3245cfacf2e3b47acfed1946a11786 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:49:58 -0400
Subject: [PATCH 2966/3638] Btrfs: Metadata reservation for orphan inodes

reserve metadata space for handling orphan inodes

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/btrfs_inode.h |   1 +
 fs/btrfs/ctree.h       |  16 ++-
 fs/btrfs/disk-io.c     |  32 +++--
 fs/btrfs/extent-tree.c |  28 ++++
 fs/btrfs/inode.c       | 303 +++++++++++++++++++++++++++++++++++------
 fs/btrfs/ioctl.c       |  10 +-
 fs/btrfs/root-tree.c   |  23 +++-
 fs/btrfs/super.c       |   6 +-
 fs/btrfs/transaction.c |  16 +++
 9 files changed, 367 insertions(+), 68 deletions(-)

diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 40510d9351f..6ad63f17eca 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -151,6 +151,7 @@ struct btrfs_inode {
 	 * of these.
 	 */
 	unsigned ordered_data_close:1;
+	unsigned orphan_meta_reserved:1;
 	unsigned dummy_inode:1;
 
 	/*
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 504d5daf2f1..fc324f9fcb4 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1069,7 +1069,6 @@ struct btrfs_root {
 	int ref_cows;
 	int track_dirty;
 	int in_radix;
-	int clean_orphans;
 
 	u64 defrag_trans_start;
 	struct btrfs_key defrag_progress;
@@ -1083,8 +1082,11 @@ struct btrfs_root {
 
 	struct list_head root_list;
 
-	spinlock_t list_lock;
+	spinlock_t orphan_lock;
 	struct list_head orphan_list;
+	struct btrfs_block_rsv *orphan_block_rsv;
+	int orphan_item_inserted;
+	int orphan_cleanup_state;
 
 	spinlock_t inode_lock;
 	/* red-black tree that keeps track of in-memory inodes */
@@ -2080,6 +2082,9 @@ int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans,
 				int num_items, int *retries);
 void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root);
+int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
+				  struct inode *inode);
+void btrfs_orphan_release_metadata(struct inode *inode);
 int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans,
 				struct btrfs_pending_snapshot *pending);
 int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes);
@@ -2404,6 +2409,13 @@ int btrfs_update_inode(struct btrfs_trans_handle *trans,
 int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode);
 int btrfs_orphan_del(struct btrfs_trans_handle *trans, struct inode *inode);
 void btrfs_orphan_cleanup(struct btrfs_root *root);
+void btrfs_orphan_pre_snapshot(struct btrfs_trans_handle *trans,
+				struct btrfs_pending_snapshot *pending,
+				u64 *bytes_to_reserve);
+void btrfs_orphan_post_snapshot(struct btrfs_trans_handle *trans,
+				struct btrfs_pending_snapshot *pending);
+void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans,
+			      struct btrfs_root *root);
 int btrfs_cont_expand(struct inode *inode, loff_t size);
 int btrfs_invalidate_inodes(struct btrfs_root *root);
 void btrfs_add_delayed_iput(struct inode *inode);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 309d8c08a64..82955b73a96 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -894,7 +894,8 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
 	root->ref_cows = 0;
 	root->track_dirty = 0;
 	root->in_radix = 0;
-	root->clean_orphans = 0;
+	root->orphan_item_inserted = 0;
+	root->orphan_cleanup_state = 0;
 
 	root->fs_info = fs_info;
 	root->objectid = objectid;
@@ -904,12 +905,13 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
 	root->in_sysfs = 0;
 	root->inode_tree = RB_ROOT;
 	root->block_rsv = NULL;
+	root->orphan_block_rsv = NULL;
 
 	INIT_LIST_HEAD(&root->dirty_list);
 	INIT_LIST_HEAD(&root->orphan_list);
 	INIT_LIST_HEAD(&root->root_list);
 	spin_lock_init(&root->node_lock);
-	spin_lock_init(&root->list_lock);
+	spin_lock_init(&root->orphan_lock);
 	spin_lock_init(&root->inode_lock);
 	spin_lock_init(&root->accounting_lock);
 	mutex_init(&root->objectid_mutex);
@@ -1193,19 +1195,23 @@ again:
 	if (root)
 		return root;
 
-	ret = btrfs_find_orphan_item(fs_info->tree_root, location->objectid);
-	if (ret == 0)
-		ret = -ENOENT;
-	if (ret < 0)
-		return ERR_PTR(ret);
-
 	root = btrfs_read_fs_root_no_radix(fs_info->tree_root, location);
 	if (IS_ERR(root))
 		return root;
 
-	WARN_ON(btrfs_root_refs(&root->root_item) == 0);
 	set_anon_super(&root->anon_super, NULL);
 
+	if (btrfs_root_refs(&root->root_item) == 0) {
+		ret = -ENOENT;
+		goto fail;
+	}
+
+	ret = btrfs_find_orphan_item(fs_info->tree_root, location->objectid);
+	if (ret < 0)
+		goto fail;
+	if (ret == 0)
+		root->orphan_item_inserted = 1;
+
 	ret = radix_tree_preload(GFP_NOFS & ~__GFP_HIGHMEM);
 	if (ret)
 		goto fail;
@@ -1214,10 +1220,9 @@ again:
 	ret = radix_tree_insert(&fs_info->fs_roots_radix,
 				(unsigned long)root->root_key.objectid,
 				root);
-	if (ret == 0) {
+	if (ret == 0)
 		root->in_radix = 1;
-		root->clean_orphans = 1;
-	}
+
 	spin_unlock(&fs_info->fs_roots_radix_lock);
 	radix_tree_preload_end();
 	if (ret) {
@@ -1981,6 +1986,9 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 	BUG_ON(ret);
 
 	if (!(sb->s_flags & MS_RDONLY)) {
+		ret = btrfs_cleanup_fs_roots(fs_info);
+		BUG_ON(ret);
+
 		ret = btrfs_recover_relocation(tree_root);
 		if (ret < 0) {
 			printk(KERN_WARNING
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index cb814a71800..a713f69f0c7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3626,6 +3626,34 @@ void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
 	trans->bytes_reserved = 0;
 }
 
+int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
+				  struct inode *inode)
+{
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_block_rsv *src_rsv = get_block_rsv(trans, root);
+	struct btrfs_block_rsv *dst_rsv = root->orphan_block_rsv;
+
+	/*
+	 * one for deleting orphan item, one for updating inode and
+	 * two for calling btrfs_truncate_inode_items.
+	 *
+	 * btrfs_truncate_inode_items is a delete operation, it frees
+	 * more space than it uses in most cases. So two units of
+	 * metadata space should be enough for calling it many times.
+	 * If all of the metadata space is used, we can commit
+	 * transaction and use space it freed.
+	 */
+	u64 num_bytes = calc_trans_metadata_size(root, 4);
+	return block_rsv_migrate_bytes(src_rsv, dst_rsv, num_bytes);
+}
+
+void btrfs_orphan_release_metadata(struct inode *inode)
+{
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	u64 num_bytes = calc_trans_metadata_size(root, 4);
+	btrfs_block_rsv_release(root, root->orphan_block_rsv, num_bytes);
+}
+
 int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans,
 				struct btrfs_pending_snapshot *pending)
 {
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f9c40b83945..bef69bedf3c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1981,33 +1981,197 @@ void btrfs_run_delayed_iputs(struct btrfs_root *root)
 	up_read(&root->fs_info->cleanup_work_sem);
 }
 
+/*
+ * calculate extra metadata reservation when snapshotting a subvolume
+ * contains orphan files.
+ */
+void btrfs_orphan_pre_snapshot(struct btrfs_trans_handle *trans,
+				struct btrfs_pending_snapshot *pending,
+				u64 *bytes_to_reserve)
+{
+	struct btrfs_root *root;
+	struct btrfs_block_rsv *block_rsv;
+	u64 num_bytes;
+	int index;
+
+	root = pending->root;
+	if (!root->orphan_block_rsv || list_empty(&root->orphan_list))
+		return;
+
+	block_rsv = root->orphan_block_rsv;
+
+	/* orphan block reservation for the snapshot */
+	num_bytes = block_rsv->size;
+
+	/*
+	 * after the snapshot is created, COWing tree blocks may use more
+	 * space than it frees. So we should make sure there is enough
+	 * reserved space.
+	 */
+	index = trans->transid & 0x1;
+	if (block_rsv->reserved + block_rsv->freed[index] < block_rsv->size) {
+		num_bytes += block_rsv->size -
+			     (block_rsv->reserved + block_rsv->freed[index]);
+	}
+
+	*bytes_to_reserve += num_bytes;
+}
+
+void btrfs_orphan_post_snapshot(struct btrfs_trans_handle *trans,
+				struct btrfs_pending_snapshot *pending)
+{
+	struct btrfs_root *root = pending->root;
+	struct btrfs_root *snap = pending->snap;
+	struct btrfs_block_rsv *block_rsv;
+	u64 num_bytes;
+	int index;
+	int ret;
+
+	if (!root->orphan_block_rsv || list_empty(&root->orphan_list))
+		return;
+
+	/* refill source subvolume's orphan block reservation */
+	block_rsv = root->orphan_block_rsv;
+	index = trans->transid & 0x1;
+	if (block_rsv->reserved + block_rsv->freed[index] < block_rsv->size) {
+		num_bytes = block_rsv->size -
+			    (block_rsv->reserved + block_rsv->freed[index]);
+		ret = btrfs_block_rsv_migrate(&pending->block_rsv,
+					      root->orphan_block_rsv,
+					      num_bytes);
+		BUG_ON(ret);
+	}
+
+	/* setup orphan block reservation for the snapshot */
+	block_rsv = btrfs_alloc_block_rsv(snap);
+	BUG_ON(!block_rsv);
+
+	btrfs_add_durable_block_rsv(root->fs_info, block_rsv);
+	snap->orphan_block_rsv = block_rsv;
+
+	num_bytes = root->orphan_block_rsv->size;
+	ret = btrfs_block_rsv_migrate(&pending->block_rsv,
+				      block_rsv, num_bytes);
+	BUG_ON(ret);
+
+#if 0
+	/* insert orphan item for the snapshot */
+	WARN_ON(!root->orphan_item_inserted);
+	ret = btrfs_insert_orphan_item(trans, root->fs_info->tree_root,
+				       snap->root_key.objectid);
+	BUG_ON(ret);
+	snap->orphan_item_inserted = 1;
+#endif
+}
+
+enum btrfs_orphan_cleanup_state {
+	ORPHAN_CLEANUP_STARTED	= 1,
+	ORPHAN_CLEANUP_DONE	= 2,
+};
+
+/*
+ * This is called in transaction commmit time. If there are no orphan
+ * files in the subvolume, it removes orphan item and frees block_rsv
+ * structure.
+ */
+void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans,
+			      struct btrfs_root *root)
+{
+	int ret;
+
+	if (!list_empty(&root->orphan_list) ||
+	    root->orphan_cleanup_state != ORPHAN_CLEANUP_DONE)
+		return;
+
+	if (root->orphan_item_inserted &&
+	    btrfs_root_refs(&root->root_item) > 0) {
+		ret = btrfs_del_orphan_item(trans, root->fs_info->tree_root,
+					    root->root_key.objectid);
+		BUG_ON(ret);
+		root->orphan_item_inserted = 0;
+	}
+
+	if (root->orphan_block_rsv) {
+		WARN_ON(root->orphan_block_rsv->size > 0);
+		btrfs_free_block_rsv(root, root->orphan_block_rsv);
+		root->orphan_block_rsv = NULL;
+	}
+}
+
 /*
  * This creates an orphan entry for the given inode in case something goes
  * wrong in the middle of an unlink/truncate.
+ *
+ * NOTE: caller of this function should reserve 5 units of metadata for
+ *	 this function.
  */
 int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
-	int ret = 0;
+	struct btrfs_block_rsv *block_rsv = NULL;
+	int reserve = 0;
+	int insert = 0;
+	int ret;
 
-	spin_lock(&root->list_lock);
-
-	/* already on the orphan list, we're good */
-	if (!list_empty(&BTRFS_I(inode)->i_orphan)) {
-		spin_unlock(&root->list_lock);
-		return 0;
+	if (!root->orphan_block_rsv) {
+		block_rsv = btrfs_alloc_block_rsv(root);
+		BUG_ON(!block_rsv);
 	}
 
-	list_add(&BTRFS_I(inode)->i_orphan, &root->orphan_list);
+	spin_lock(&root->orphan_lock);
+	if (!root->orphan_block_rsv) {
+		root->orphan_block_rsv = block_rsv;
+	} else if (block_rsv) {
+		btrfs_free_block_rsv(root, block_rsv);
+		block_rsv = NULL;
+	}
 
-	spin_unlock(&root->list_lock);
+	if (list_empty(&BTRFS_I(inode)->i_orphan)) {
+		list_add(&BTRFS_I(inode)->i_orphan, &root->orphan_list);
+#if 0
+		/*
+		 * For proper ENOSPC handling, we should do orphan
+		 * cleanup when mounting. But this introduces backward
+		 * compatibility issue.
+		 */
+		if (!xchg(&root->orphan_item_inserted, 1))
+			insert = 2;
+		else
+			insert = 1;
+#endif
+		insert = 1;
+	} else {
+		WARN_ON(!BTRFS_I(inode)->orphan_meta_reserved);
+	}
 
-	/*
-	 * insert an orphan item to track this unlinked/truncated file
-	 */
-	ret = btrfs_insert_orphan_item(trans, root, inode->i_ino);
+	if (!BTRFS_I(inode)->orphan_meta_reserved) {
+		BTRFS_I(inode)->orphan_meta_reserved = 1;
+		reserve = 1;
+	}
+	spin_unlock(&root->orphan_lock);
 
-	return ret;
+	if (block_rsv)
+		btrfs_add_durable_block_rsv(root->fs_info, block_rsv);
+
+	/* grab metadata reservation from transaction handle */
+	if (reserve) {
+		ret = btrfs_orphan_reserve_metadata(trans, inode);
+		BUG_ON(ret);
+	}
+
+	/* insert an orphan item to track this unlinked/truncated file */
+	if (insert >= 1) {
+		ret = btrfs_insert_orphan_item(trans, root, inode->i_ino);
+		BUG_ON(ret);
+	}
+
+	/* insert an orphan item to track subvolume contains orphan files */
+	if (insert >= 2) {
+		ret = btrfs_insert_orphan_item(trans, root->fs_info->tree_root,
+					       root->root_key.objectid);
+		BUG_ON(ret);
+	}
+	return 0;
 }
 
 /*
@@ -2017,26 +2181,31 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode)
 int btrfs_orphan_del(struct btrfs_trans_handle *trans, struct inode *inode)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
+	int delete_item = 0;
+	int release_rsv = 0;
 	int ret = 0;
 
-	spin_lock(&root->list_lock);
-
-	if (list_empty(&BTRFS_I(inode)->i_orphan)) {
-		spin_unlock(&root->list_lock);
-		return 0;
+	spin_lock(&root->orphan_lock);
+	if (!list_empty(&BTRFS_I(inode)->i_orphan)) {
+		list_del_init(&BTRFS_I(inode)->i_orphan);
+		delete_item = 1;
 	}
 
-	list_del_init(&BTRFS_I(inode)->i_orphan);
-	if (!trans) {
-		spin_unlock(&root->list_lock);
-		return 0;
+	if (BTRFS_I(inode)->orphan_meta_reserved) {
+		BTRFS_I(inode)->orphan_meta_reserved = 0;
+		release_rsv = 1;
+	}
+	spin_unlock(&root->orphan_lock);
+
+	if (trans && delete_item) {
+		ret = btrfs_del_orphan_item(trans, root, inode->i_ino);
+		BUG_ON(ret);
 	}
 
-	spin_unlock(&root->list_lock);
+	if (release_rsv)
+		btrfs_orphan_release_metadata(inode);
 
-	ret = btrfs_del_orphan_item(trans, root, inode->i_ino);
-
-	return ret;
+	return 0;
 }
 
 /*
@@ -2053,7 +2222,7 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
 	struct inode *inode;
 	int ret = 0, nr_unlink = 0, nr_truncate = 0;
 
-	if (!xchg(&root->clean_orphans, 0))
+	if (cmpxchg(&root->orphan_cleanup_state, 0, ORPHAN_CLEANUP_STARTED))
 		return;
 
 	path = btrfs_alloc_path();
@@ -2106,16 +2275,15 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
 		found_key.type = BTRFS_INODE_ITEM_KEY;
 		found_key.offset = 0;
 		inode = btrfs_iget(root->fs_info->sb, &found_key, root, NULL);
-		if (IS_ERR(inode))
-			break;
+		BUG_ON(IS_ERR(inode));
 
 		/*
 		 * add this inode to the orphan list so btrfs_orphan_del does
 		 * the proper thing when we hit it
 		 */
-		spin_lock(&root->list_lock);
+		spin_lock(&root->orphan_lock);
 		list_add(&BTRFS_I(inode)->i_orphan, &root->orphan_list);
-		spin_unlock(&root->list_lock);
+		spin_unlock(&root->orphan_lock);
 
 		/*
 		 * if this is a bad inode, means we actually succeeded in
@@ -2142,13 +2310,23 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
 		/* this will do delete_inode and everything for us */
 		iput(inode);
 	}
+	btrfs_free_path(path);
+
+	root->orphan_cleanup_state = ORPHAN_CLEANUP_DONE;
+
+	if (root->orphan_block_rsv)
+		btrfs_block_rsv_release(root, root->orphan_block_rsv,
+					(u64)-1);
+
+	if (root->orphan_block_rsv || root->orphan_item_inserted) {
+		trans = btrfs_join_transaction(root, 1);
+		btrfs_end_transaction(trans, root);
+	}
 
 	if (nr_unlink)
 		printk(KERN_INFO "btrfs: unlinked %d orphans\n", nr_unlink);
 	if (nr_truncate)
 		printk(KERN_INFO "btrfs: truncated %d orphans\n", nr_truncate);
-
-	btrfs_free_path(path);
 }
 
 /*
@@ -3181,6 +3359,7 @@ out:
 	if (pending_del_nr) {
 		ret = btrfs_del_items(trans, root, path, pending_del_slot,
 				      pending_del_nr);
+		BUG_ON(ret);
 	}
 	btrfs_free_path(path);
 	return err;
@@ -3386,7 +3565,10 @@ static int btrfs_setattr_size(struct inode *inode, struct iattr *attr)
 		}
 	}
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_start_transaction(root, 5);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
+
 	btrfs_set_trans_block_group(trans, inode);
 
 	ret = btrfs_orphan_add(trans, inode);
@@ -3406,8 +3588,11 @@ static int btrfs_setattr_size(struct inode *inode, struct iattr *attr)
 		i_size_write(inode, attr->ia_size);
 		btrfs_ordered_update_i_size(inode, inode->i_size, NULL);
 
-		trans = btrfs_start_transaction(root, 1);
+		trans = btrfs_start_transaction(root, 0);
+		BUG_ON(IS_ERR(trans));
 		btrfs_set_trans_block_group(trans, inode);
+		trans->block_rsv = root->orphan_block_rsv;
+		BUG_ON(!trans->block_rsv);
 
 		ret = btrfs_update_inode(trans, root, inode);
 		BUG_ON(ret);
@@ -3487,10 +3672,21 @@ void btrfs_delete_inode(struct inode *inode)
 	btrfs_i_size_write(inode, 0);
 
 	while (1) {
-		trans = btrfs_start_transaction(root, 1);
+		trans = btrfs_start_transaction(root, 0);
+		BUG_ON(IS_ERR(trans));
 		btrfs_set_trans_block_group(trans, inode);
-		ret = btrfs_truncate_inode_items(trans, root, inode, 0, 0);
+		trans->block_rsv = root->orphan_block_rsv;
 
+		ret = btrfs_block_rsv_check(trans, root,
+					    root->orphan_block_rsv, 0, 5);
+		if (ret) {
+			BUG_ON(ret != -EAGAIN);
+			ret = btrfs_commit_transaction(trans, root);
+			BUG_ON(ret);
+			continue;
+		}
+
+		ret = btrfs_truncate_inode_items(trans, root, inode, 0, 0);
 		if (ret != -EAGAIN)
 			break;
 
@@ -3498,6 +3694,7 @@ void btrfs_delete_inode(struct inode *inode)
 		btrfs_end_transaction(trans, root);
 		trans = NULL;
 		btrfs_btree_balance_dirty(root, nr);
+
 	}
 
 	if (ret == 0) {
@@ -5247,8 +5444,10 @@ static void btrfs_truncate(struct inode *inode)
 	btrfs_wait_ordered_range(inode, inode->i_size & (~mask), (u64)-1);
 	btrfs_ordered_update_i_size(inode, inode->i_size, NULL);
 
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_start_transaction(root, 0);
+	BUG_ON(IS_ERR(trans));
 	btrfs_set_trans_block_group(trans, inode);
+	trans->block_rsv = root->orphan_block_rsv;
 
 	/*
 	 * setattr is responsible for setting the ordered_data_close flag,
@@ -5271,6 +5470,23 @@ static void btrfs_truncate(struct inode *inode)
 		btrfs_add_ordered_operation(trans, root, inode);
 
 	while (1) {
+		if (!trans) {
+			trans = btrfs_start_transaction(root, 0);
+			BUG_ON(IS_ERR(trans));
+			btrfs_set_trans_block_group(trans, inode);
+			trans->block_rsv = root->orphan_block_rsv;
+		}
+
+		ret = btrfs_block_rsv_check(trans, root,
+					    root->orphan_block_rsv, 0, 5);
+		if (ret) {
+			BUG_ON(ret != -EAGAIN);
+			ret = btrfs_commit_transaction(trans, root);
+			BUG_ON(ret);
+			trans = NULL;
+			continue;
+		}
+
 		ret = btrfs_truncate_inode_items(trans, root, inode,
 						 inode->i_size,
 						 BTRFS_EXTENT_DATA_KEY);
@@ -5282,10 +5498,8 @@ static void btrfs_truncate(struct inode *inode)
 
 		nr = trans->blocks_used;
 		btrfs_end_transaction(trans, root);
+		trans = NULL;
 		btrfs_btree_balance_dirty(root, nr);
-
-		trans = btrfs_start_transaction(root, 1);
-		btrfs_set_trans_block_group(trans, inode);
 	}
 
 	if (ret == 0 && inode->i_nlink > 0) {
@@ -5371,6 +5585,7 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
 	ei->reserved_extents = 0;
 
 	ei->ordered_data_close = 0;
+	ei->orphan_meta_reserved = 0;
 	ei->dummy_inode = 0;
 	ei->force_compress = 0;
 
@@ -5417,13 +5632,13 @@ void btrfs_destroy_inode(struct inode *inode)
 		spin_unlock(&root->fs_info->ordered_extent_lock);
 	}
 
-	spin_lock(&root->list_lock);
+	spin_lock(&root->orphan_lock);
 	if (!list_empty(&BTRFS_I(inode)->i_orphan)) {
 		printk(KERN_INFO "BTRFS: inode %lu still on the orphan list\n",
 		       inode->i_ino);
 		list_del_init(&BTRFS_I(inode)->i_orphan);
 	}
-	spin_unlock(&root->list_lock);
+	spin_unlock(&root->orphan_lock);
 
 	while (1) {
 		ordered = btrfs_lookup_first_ordered_extent(inode, (u64)-1);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index a0686658a3f..4cdb98cf26d 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1297,10 +1297,12 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
 	dest->root_item.drop_level = 0;
 	btrfs_set_root_refs(&dest->root_item, 0);
 
-	ret = btrfs_insert_orphan_item(trans,
-				root->fs_info->tree_root,
-				dest->root_key.objectid);
-	BUG_ON(ret);
+	if (!xchg(&dest->orphan_item_inserted, 1)) {
+		ret = btrfs_insert_orphan_item(trans,
+					root->fs_info->tree_root,
+					dest->root_key.objectid);
+		BUG_ON(ret);
+	}
 
 	ret = btrfs_commit_transaction(trans, root);
 	BUG_ON(ret);
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 67fa2d29d66..b91ccd97264 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -259,6 +259,8 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
 	struct extent_buffer *leaf;
 	struct btrfs_path *path;
 	struct btrfs_key key;
+	struct btrfs_key root_key;
+	struct btrfs_root *root;
 	int err = 0;
 	int ret;
 
@@ -270,6 +272,9 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
 	key.type = BTRFS_ORPHAN_ITEM_KEY;
 	key.offset = 0;
 
+	root_key.type = BTRFS_ROOT_ITEM_KEY;
+	root_key.offset = (u64)-1;
+
 	while (1) {
 		ret = btrfs_search_slot(NULL, tree_root, &key, path, 0, 0);
 		if (ret < 0) {
@@ -294,13 +299,25 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
 		    key.type != BTRFS_ORPHAN_ITEM_KEY)
 			break;
 
-		ret = btrfs_find_dead_roots(tree_root, key.offset);
-		if (ret) {
+		root_key.objectid = key.offset;
+		key.offset++;
+
+		root = btrfs_read_fs_root_no_name(tree_root->fs_info,
+						  &root_key);
+		if (!IS_ERR(root))
+			continue;
+
+		ret = PTR_ERR(root);
+		if (ret != -ENOENT) {
 			err = ret;
 			break;
 		}
 
-		key.offset++;
+		ret = btrfs_find_dead_roots(tree_root, root_key.objectid);
+		if (ret) {
+			err = ret;
+			break;
+		}
 	}
 
 	btrfs_free_path(path);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 38d91c7e8db..574285c8cbd 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -694,11 +694,11 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
 		if (btrfs_super_log_root(&root->fs_info->super_copy) != 0)
 			return -EINVAL;
 
-		/* recover relocation */
-		ret = btrfs_recover_relocation(root);
+		ret = btrfs_cleanup_fs_roots(root->fs_info);
 		WARN_ON(ret);
 
-		ret = btrfs_cleanup_fs_roots(root->fs_info);
+		/* recover relocation */
+		ret = btrfs_recover_relocation(root);
 		WARN_ON(ret);
 
 		sb->s_flags &= ~MS_RDONLY;
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 6217bb6d516..cfe7f588ef0 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -676,6 +676,7 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans,
 
 			btrfs_free_log(trans, root);
 			btrfs_update_reloc_root(trans, root);
+			btrfs_orphan_commit_root(trans, root);
 
 			if (root->commit_root != root->node) {
 				switch_commit_root(root);
@@ -835,6 +836,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	struct extent_buffer *tmp;
 	struct extent_buffer *old;
 	int ret;
+	int retries = 0;
+	u64 to_reserve = 0;
 	u64 index = 0;
 	u64 objectid;
 
@@ -850,6 +853,17 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 		goto fail;
 	}
 
+	btrfs_orphan_pre_snapshot(trans, pending, &to_reserve);
+
+	if (to_reserve > 0) {
+		ret = btrfs_block_rsv_add(trans, root, &pending->block_rsv,
+					  to_reserve, &retries);
+		if (ret) {
+			pending->error = ret;
+			goto fail;
+		}
+	}
+
 	key.objectid = objectid;
 	key.offset = (u64)-1;
 	key.type = BTRFS_ROOT_ITEM_KEY;
@@ -909,6 +923,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	key.offset = (u64)-1;
 	pending->snap = btrfs_read_fs_root_no_name(root->fs_info, &key);
 	BUG_ON(IS_ERR(pending->snap));
+
+	btrfs_orphan_post_snapshot(trans, pending);
 fail:
 	kfree(new_root_item);
 	btrfs_block_rsv_release(root, &pending->block_rsv, (u64)-1);

From 4a500fd178c89b96fa166a2d9e7855df33429841 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:49:59 -0400
Subject: [PATCH 2967/3638] Btrfs: Metadata ENOSPC handling for tree log

Previous patches make the allocater return -ENOSPC if there is no
unreserved free metadata space. This patch updates tree log code
and various other places to propagate/handle the ENOSPC error.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/disk-io.c   |  36 -------
 fs/btrfs/disk-io.h   |   2 -
 fs/btrfs/file-item.c |   3 +
 fs/btrfs/tree-log.c  | 241 +++++++++++++++++++++++++++----------------
 fs/btrfs/tree-log.h  |   2 +
 5 files changed, 156 insertions(+), 128 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 82955b73a96..a8772b5a9cb 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -972,42 +972,6 @@ static int find_and_setup_root(struct btrfs_root *tree_root,
 	return 0;
 }
 
-int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans,
-			     struct btrfs_fs_info *fs_info)
-{
-	struct extent_buffer *eb;
-	struct btrfs_root *log_root_tree = fs_info->log_root_tree;
-	u64 start = 0;
-	u64 end = 0;
-	int ret;
-
-	if (!log_root_tree)
-		return 0;
-
-	while (1) {
-		ret = find_first_extent_bit(&log_root_tree->dirty_log_pages,
-				0, &start, &end, EXTENT_DIRTY | EXTENT_NEW);
-		if (ret)
-			break;
-
-		clear_extent_bits(&log_root_tree->dirty_log_pages, start, end,
-				  EXTENT_DIRTY | EXTENT_NEW, GFP_NOFS);
-	}
-	eb = fs_info->log_root_tree->node;
-
-	WARN_ON(btrfs_header_level(eb) != 0);
-	WARN_ON(btrfs_header_nritems(eb) != 0);
-
-	ret = btrfs_free_reserved_extent(fs_info->tree_root,
-				eb->start, eb->len);
-	BUG_ON(ret);
-
-	free_extent_buffer(eb);
-	kfree(fs_info->log_root_tree);
-	fs_info->log_root_tree = NULL;
-	return 0;
-}
-
 static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans,
 					 struct btrfs_fs_info *fs_info)
 {
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index c958ecbc191..2c064eba6f0 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -95,8 +95,6 @@ int btrfs_congested_async(struct btrfs_fs_info *info, int iodone);
 unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info);
 int btrfs_write_tree_block(struct extent_buffer *buf);
 int btrfs_wait_tree_block_writeback(struct extent_buffer *buf);
-int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans,
-			     struct btrfs_fs_info *fs_info);
 int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans,
 			     struct btrfs_fs_info *fs_info);
 int btrfs_add_log_tree(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 54a255065aa..21aead39a76 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -657,6 +657,9 @@ again:
 		goto found;
 	}
 	ret = PTR_ERR(item);
+	if (ret != -EFBIG && ret != -ENOENT)
+		goto fail_unlock;
+
 	if (ret == -EFBIG) {
 		u32 item_size;
 		/* we found one, but it isn't big enough yet */
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index af57dd2b43d..fb102a9aee9 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -135,6 +135,7 @@ static int start_log_trans(struct btrfs_trans_handle *trans,
 			   struct btrfs_root *root)
 {
 	int ret;
+	int err = 0;
 
 	mutex_lock(&root->log_mutex);
 	if (root->log_root) {
@@ -155,17 +156,19 @@ static int start_log_trans(struct btrfs_trans_handle *trans,
 	mutex_lock(&root->fs_info->tree_log_mutex);
 	if (!root->fs_info->log_root_tree) {
 		ret = btrfs_init_log_root_tree(trans, root->fs_info);
-		BUG_ON(ret);
+		if (ret)
+			err = ret;
 	}
-	if (!root->log_root) {
+	if (err == 0 && !root->log_root) {
 		ret = btrfs_add_log_tree(trans, root);
-		BUG_ON(ret);
+		if (ret)
+			err = ret;
 	}
 	mutex_unlock(&root->fs_info->tree_log_mutex);
 	root->log_batch++;
 	atomic_inc(&root->log_writers);
 	mutex_unlock(&root->log_mutex);
-	return 0;
+	return err;
 }
 
 /*
@@ -376,7 +379,7 @@ insert:
 			BUG_ON(ret);
 		}
 	} else if (ret) {
-		BUG();
+		return ret;
 	}
 	dst_ptr = btrfs_item_ptr_offset(path->nodes[0],
 					path->slots[0]);
@@ -1699,9 +1702,9 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
 
 		next = btrfs_find_create_tree_block(root, bytenr, blocksize);
 
-		wc->process_func(root, next, wc, ptr_gen);
-
 		if (*level == 1) {
+			wc->process_func(root, next, wc, ptr_gen);
+
 			path->slots[*level]++;
 			if (wc->free) {
 				btrfs_read_buffer(next, ptr_gen);
@@ -1734,35 +1737,7 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
 	WARN_ON(*level < 0);
 	WARN_ON(*level >= BTRFS_MAX_LEVEL);
 
-	if (path->nodes[*level] == root->node)
-		parent = path->nodes[*level];
-	else
-		parent = path->nodes[*level + 1];
-
-	bytenr = path->nodes[*level]->start;
-
-	blocksize = btrfs_level_size(root, *level);
-	root_owner = btrfs_header_owner(parent);
-	root_gen = btrfs_header_generation(parent);
-
-	wc->process_func(root, path->nodes[*level], wc,
-			 btrfs_header_generation(path->nodes[*level]));
-
-	if (wc->free) {
-		next = path->nodes[*level];
-		btrfs_tree_lock(next);
-		clean_tree_block(trans, root, next);
-		btrfs_set_lock_blocking(next);
-		btrfs_wait_tree_block_writeback(next);
-		btrfs_tree_unlock(next);
-
-		WARN_ON(root_owner != BTRFS_TREE_LOG_OBJECTID);
-		ret = btrfs_free_reserved_extent(root, bytenr, blocksize);
-		BUG_ON(ret);
-	}
-	free_extent_buffer(path->nodes[*level]);
-	path->nodes[*level] = NULL;
-	*level += 1;
+	path->slots[*level] = btrfs_header_nritems(path->nodes[*level]);
 
 	cond_resched();
 	return 0;
@@ -1781,7 +1756,7 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans,
 
 	for (i = *level; i < BTRFS_MAX_LEVEL - 1 && path->nodes[i]; i++) {
 		slot = path->slots[i];
-		if (slot < btrfs_header_nritems(path->nodes[i]) - 1) {
+		if (slot + 1 < btrfs_header_nritems(path->nodes[i])) {
 			struct extent_buffer *node;
 			node = path->nodes[i];
 			path->slots[i]++;
@@ -2047,7 +2022,6 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
 	mutex_unlock(&log_root_tree->log_mutex);
 
 	ret = update_log_root(trans, log);
-	BUG_ON(ret);
 
 	mutex_lock(&log_root_tree->log_mutex);
 	if (atomic_dec_and_test(&log_root_tree->log_writers)) {
@@ -2056,6 +2030,15 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
 			wake_up(&log_root_tree->log_writer_wait);
 	}
 
+	if (ret) {
+		BUG_ON(ret != -ENOSPC);
+		root->fs_info->last_trans_log_full_commit = trans->transid;
+		btrfs_wait_marked_extents(log, &log->dirty_log_pages, mark);
+		mutex_unlock(&log_root_tree->log_mutex);
+		ret = -EAGAIN;
+		goto out;
+	}
+
 	index2 = log_root_tree->log_transid % 2;
 	if (atomic_read(&log_root_tree->log_commit[index2])) {
 		btrfs_wait_marked_extents(log, &log->dirty_log_pages, mark);
@@ -2129,15 +2112,10 @@ out:
 	return 0;
 }
 
-/*
- * free all the extents used by the tree log.  This should be called
- * at commit time of the full transaction
- */
-int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root)
+static void free_log_tree(struct btrfs_trans_handle *trans,
+			  struct btrfs_root *log)
 {
 	int ret;
-	struct btrfs_root *log;
-	struct key;
 	u64 start;
 	u64 end;
 	struct walk_control wc = {
@@ -2145,10 +2123,6 @@ int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root)
 		.process_func = process_one_buffer
 	};
 
-	if (!root->log_root || root->fs_info->log_root_recovering)
-		return 0;
-
-	log = root->log_root;
 	ret = walk_log_tree(trans, log, &wc);
 	BUG_ON(ret);
 
@@ -2162,14 +2136,30 @@ int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root)
 				  EXTENT_DIRTY | EXTENT_NEW, GFP_NOFS);
 	}
 
-	if (log->log_transid > 0) {
-		ret = btrfs_del_root(trans, root->fs_info->log_root_tree,
-				     &log->root_key);
-		BUG_ON(ret);
-	}
-	root->log_root = NULL;
 	free_extent_buffer(log->node);
 	kfree(log);
+}
+
+/*
+ * free all the extents used by the tree log.  This should be called
+ * at commit time of the full transaction
+ */
+int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root)
+{
+	if (root->log_root) {
+		free_log_tree(trans, root->log_root);
+		root->log_root = NULL;
+	}
+	return 0;
+}
+
+int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans,
+			     struct btrfs_fs_info *fs_info)
+{
+	if (fs_info->log_root_tree) {
+		free_log_tree(trans, fs_info->log_root_tree);
+		fs_info->log_root_tree = NULL;
+	}
 	return 0;
 }
 
@@ -2203,6 +2193,7 @@ int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
 	struct btrfs_dir_item *di;
 	struct btrfs_path *path;
 	int ret;
+	int err = 0;
 	int bytes_del = 0;
 
 	if (BTRFS_I(dir)->logged_trans < trans->transid)
@@ -2218,7 +2209,11 @@ int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
 	path = btrfs_alloc_path();
 	di = btrfs_lookup_dir_item(trans, log, path, dir->i_ino,
 				   name, name_len, -1);
-	if (di && !IS_ERR(di)) {
+	if (IS_ERR(di)) {
+		err = PTR_ERR(di);
+		goto fail;
+	}
+	if (di) {
 		ret = btrfs_delete_one_dir_name(trans, log, path, di);
 		bytes_del += name_len;
 		BUG_ON(ret);
@@ -2226,7 +2221,11 @@ int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
 	btrfs_release_path(log, path);
 	di = btrfs_lookup_dir_index_item(trans, log, path, dir->i_ino,
 					 index, name, name_len, -1);
-	if (di && !IS_ERR(di)) {
+	if (IS_ERR(di)) {
+		err = PTR_ERR(di);
+		goto fail;
+	}
+	if (di) {
 		ret = btrfs_delete_one_dir_name(trans, log, path, di);
 		bytes_del += name_len;
 		BUG_ON(ret);
@@ -2244,6 +2243,10 @@ int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
 		btrfs_release_path(log, path);
 
 		ret = btrfs_search_slot(trans, log, &key, path, 0, 1);
+		if (ret < 0) {
+			err = ret;
+			goto fail;
+		}
 		if (ret == 0) {
 			struct btrfs_inode_item *item;
 			u64 i_size;
@@ -2261,9 +2264,13 @@ int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
 			ret = 0;
 		btrfs_release_path(log, path);
 	}
-
+fail:
 	btrfs_free_path(path);
 	mutex_unlock(&BTRFS_I(dir)->log_mutex);
+	if (ret == -ENOSPC) {
+		root->fs_info->last_trans_log_full_commit = trans->transid;
+		ret = 0;
+	}
 	btrfs_end_log_trans(root);
 
 	return 0;
@@ -2291,6 +2298,10 @@ int btrfs_del_inode_ref_in_log(struct btrfs_trans_handle *trans,
 	ret = btrfs_del_inode_ref(trans, log, name, name_len, inode->i_ino,
 				  dirid, &index);
 	mutex_unlock(&BTRFS_I(inode)->log_mutex);
+	if (ret == -ENOSPC) {
+		root->fs_info->last_trans_log_full_commit = trans->transid;
+		ret = 0;
+	}
 	btrfs_end_log_trans(root);
 
 	return ret;
@@ -2318,7 +2329,8 @@ static noinline int insert_dir_log_key(struct btrfs_trans_handle *trans,
 	else
 		key.type = BTRFS_DIR_LOG_INDEX_KEY;
 	ret = btrfs_insert_empty_item(trans, log, path, &key, sizeof(*item));
-	BUG_ON(ret);
+	if (ret)
+		return ret;
 
 	item = btrfs_item_ptr(path->nodes[0], path->slots[0],
 			      struct btrfs_dir_log_item);
@@ -2343,6 +2355,7 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
 	struct btrfs_key max_key;
 	struct btrfs_root *log = root->log_root;
 	struct extent_buffer *src;
+	int err = 0;
 	int ret;
 	int i;
 	int nritems;
@@ -2405,6 +2418,10 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
 			ret = overwrite_item(trans, log, dst_path,
 					     path->nodes[0], path->slots[0],
 					     &tmp);
+			if (ret) {
+				err = ret;
+				goto done;
+			}
 		}
 	}
 	btrfs_release_path(root, path);
@@ -2432,7 +2449,10 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
 				goto done;
 			ret = overwrite_item(trans, log, dst_path, src, i,
 					     &min_key);
-			BUG_ON(ret);
+			if (ret) {
+				err = ret;
+				goto done;
+			}
 		}
 		path->slots[0] = nritems;
 
@@ -2454,22 +2474,30 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
 			ret = overwrite_item(trans, log, dst_path,
 					     path->nodes[0], path->slots[0],
 					     &tmp);
-
-			BUG_ON(ret);
-			last_offset = tmp.offset;
+			if (ret)
+				err = ret;
+			else
+				last_offset = tmp.offset;
 			goto done;
 		}
 	}
 done:
-	*last_offset_ret = last_offset;
 	btrfs_release_path(root, path);
 	btrfs_release_path(log, dst_path);
 
-	/* insert the log range keys to indicate where the log is valid */
-	ret = insert_dir_log_key(trans, log, path, key_type, inode->i_ino,
-				 first_offset, last_offset);
-	BUG_ON(ret);
-	return 0;
+	if (err == 0) {
+		*last_offset_ret = last_offset;
+		/*
+		 * insert the log range keys to indicate where the log
+		 * is valid
+		 */
+		ret = insert_dir_log_key(trans, log, path, key_type,
+					 inode->i_ino, first_offset,
+					 last_offset);
+		if (ret)
+			err = ret;
+	}
+	return err;
 }
 
 /*
@@ -2501,7 +2529,8 @@ again:
 		ret = log_dir_items(trans, root, inode, path,
 				    dst_path, key_type, min_key,
 				    &max_key);
-		BUG_ON(ret);
+		if (ret)
+			return ret;
 		if (max_key == (u64)-1)
 			break;
 		min_key = max_key + 1;
@@ -2535,8 +2564,8 @@ static int drop_objectid_items(struct btrfs_trans_handle *trans,
 
 	while (1) {
 		ret = btrfs_search_slot(trans, log, &key, path, -1, 1);
-
-		if (ret != 1)
+		BUG_ON(ret == 0);
+		if (ret < 0)
 			break;
 
 		if (path->slots[0] == 0)
@@ -2554,7 +2583,7 @@ static int drop_objectid_items(struct btrfs_trans_handle *trans,
 		btrfs_release_path(log, path);
 	}
 	btrfs_release_path(log, path);
-	return 0;
+	return ret;
 }
 
 static noinline int copy_items(struct btrfs_trans_handle *trans,
@@ -2587,7 +2616,10 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
 	}
 	ret = btrfs_insert_empty_items(trans, log, dst_path,
 				       ins_keys, ins_sizes, nr);
-	BUG_ON(ret);
+	if (ret) {
+		kfree(ins_data);
+		return ret;
+	}
 
 	for (i = 0; i < nr; i++, dst_path->slots[0]++) {
 		dst_offset = btrfs_item_ptr_offset(dst_path->nodes[0],
@@ -2660,16 +2692,17 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
 	 * we have to do this after the loop above to avoid changing the
 	 * log tree while trying to change the log tree.
 	 */
+	ret = 0;
 	while (!list_empty(&ordered_sums)) {
 		struct btrfs_ordered_sum *sums = list_entry(ordered_sums.next,
 						   struct btrfs_ordered_sum,
 						   list);
-		ret = btrfs_csum_file_blocks(trans, log, sums);
-		BUG_ON(ret);
+		if (!ret)
+			ret = btrfs_csum_file_blocks(trans, log, sums);
 		list_del(&sums->list);
 		kfree(sums);
 	}
-	return 0;
+	return ret;
 }
 
 /* log a single inode in the tree log.
@@ -2697,6 +2730,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
 	struct btrfs_root *log = root->log_root;
 	struct extent_buffer *src = NULL;
 	u32 size;
+	int err = 0;
 	int ret;
 	int nritems;
 	int ins_start_slot = 0;
@@ -2739,7 +2773,10 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
 	} else {
 		ret = btrfs_truncate_inode_items(trans, log, inode, 0, 0);
 	}
-	BUG_ON(ret);
+	if (ret) {
+		err = ret;
+		goto out_unlock;
+	}
 	path->keep_locks = 1;
 
 	while (1) {
@@ -2768,7 +2805,10 @@ again:
 
 		ret = copy_items(trans, log, dst_path, src, ins_start_slot,
 				 ins_nr, inode_only);
-		BUG_ON(ret);
+		if (ret) {
+			err = ret;
+			goto out_unlock;
+		}
 		ins_nr = 1;
 		ins_start_slot = path->slots[0];
 next_slot:
@@ -2784,7 +2824,10 @@ next_slot:
 			ret = copy_items(trans, log, dst_path, src,
 					 ins_start_slot,
 					 ins_nr, inode_only);
-			BUG_ON(ret);
+			if (ret) {
+				err = ret;
+				goto out_unlock;
+			}
 			ins_nr = 0;
 		}
 		btrfs_release_path(root, path);
@@ -2802,7 +2845,10 @@ next_slot:
 		ret = copy_items(trans, log, dst_path, src,
 				 ins_start_slot,
 				 ins_nr, inode_only);
-		BUG_ON(ret);
+		if (ret) {
+			err = ret;
+			goto out_unlock;
+		}
 		ins_nr = 0;
 	}
 	WARN_ON(ins_nr);
@@ -2810,14 +2856,18 @@ next_slot:
 		btrfs_release_path(root, path);
 		btrfs_release_path(log, dst_path);
 		ret = log_directory_changes(trans, root, inode, path, dst_path);
-		BUG_ON(ret);
+		if (ret) {
+			err = ret;
+			goto out_unlock;
+		}
 	}
 	BTRFS_I(inode)->logged_trans = trans->transid;
+out_unlock:
 	mutex_unlock(&BTRFS_I(inode)->log_mutex);
 
 	btrfs_free_path(path);
 	btrfs_free_path(dst_path);
-	return 0;
+	return err;
 }
 
 /*
@@ -2942,10 +2992,13 @@ int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
 		goto end_no_trans;
 	}
 
-	start_log_trans(trans, root);
+	ret = start_log_trans(trans, root);
+	if (ret)
+		goto end_trans;
 
 	ret = btrfs_log_inode(trans, root, inode, inode_only);
-	BUG_ON(ret);
+	if (ret)
+		goto end_trans;
 
 	/*
 	 * for regular files, if its inode is already on disk, we don't
@@ -2955,8 +3008,10 @@ int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
 	 */
 	if (S_ISREG(inode->i_mode) &&
 	    BTRFS_I(inode)->generation <= last_committed &&
-	    BTRFS_I(inode)->last_unlink_trans <= last_committed)
-			goto no_parent;
+	    BTRFS_I(inode)->last_unlink_trans <= last_committed) {
+		ret = 0;
+		goto end_trans;
+	}
 
 	inode_only = LOG_INODE_EXISTS;
 	while (1) {
@@ -2970,15 +3025,21 @@ int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
 		if (BTRFS_I(inode)->generation >
 		    root->fs_info->last_trans_committed) {
 			ret = btrfs_log_inode(trans, root, inode, inode_only);
-			BUG_ON(ret);
+			if (ret)
+				goto end_trans;
 		}
 		if (IS_ROOT(parent))
 			break;
 
 		parent = parent->d_parent;
 	}
-no_parent:
 	ret = 0;
+end_trans:
+	if (ret < 0) {
+		BUG_ON(ret != -ENOSPC);
+		root->fs_info->last_trans_log_full_commit = trans->transid;
+		ret = 1;
+	}
 	btrfs_end_log_trans(root);
 end_no_trans:
 	return ret;
@@ -3020,7 +3081,7 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree)
 	path = btrfs_alloc_path();
 	BUG_ON(!path);
 
-	trans = btrfs_start_transaction(fs_info->tree_root, 1);
+	trans = btrfs_start_transaction(fs_info->tree_root, 0);
 
 	wc.trans = trans;
 	wc.pin = 1;
diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h
index 0776eacb508..3dfae84c8cc 100644
--- a/fs/btrfs/tree-log.h
+++ b/fs/btrfs/tree-log.h
@@ -25,6 +25,8 @@
 int btrfs_sync_log(struct btrfs_trans_handle *trans,
 		   struct btrfs_root *root);
 int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root);
+int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans,
+			     struct btrfs_fs_info *fs_info);
 int btrfs_recover_log_trees(struct btrfs_root *tree_root);
 int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *root, struct dentry *dentry);

From efa56464562991b8c24f965199888806bd8c4b38 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:49:59 -0400
Subject: [PATCH 2968/3638] Btrfs: Pre-allocate space for data relocation

Pre-allocate space for data relocation. This can detect ENOPSC
condition caused by fragmentation of free space.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.h      |  3 ++
 fs/btrfs/inode.c      | 44 +++++++++++---------
 fs/btrfs/relocation.c | 94 ++++++++++++++++++++++++++++++-------------
 3 files changed, 94 insertions(+), 47 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index fc324f9fcb4..65530837d04 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2420,6 +2420,9 @@ int btrfs_cont_expand(struct inode *inode, loff_t size);
 int btrfs_invalidate_inodes(struct btrfs_root *root);
 void btrfs_add_delayed_iput(struct inode *inode);
 void btrfs_run_delayed_iputs(struct btrfs_root *root);
+int btrfs_prealloc_file_range(struct inode *inode, int mode,
+			      u64 start, u64 num_bytes, u64 min_size,
+			      loff_t actual_len, u64 *alloc_hint);
 extern const struct dentry_operations btrfs_dentry_operations;
 
 /* ioctl.c */
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index bef69bedf3c..460dd512eeb 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1175,6 +1175,13 @@ out_check:
 					       num_bytes, num_bytes, type);
 		BUG_ON(ret);
 
+		if (root->root_key.objectid ==
+		    BTRFS_DATA_RELOC_TREE_OBJECTID) {
+			ret = btrfs_reloc_clone_csums(inode, cur_offset,
+						      num_bytes);
+			BUG_ON(ret);
+		}
+
 		extent_clear_unlock_delalloc(inode, &BTRFS_I(inode)->io_tree,
 				cur_offset, cur_offset + num_bytes - 1,
 				locked_page, EXTENT_CLEAR_UNLOCK_PAGE |
@@ -6080,16 +6087,15 @@ out_unlock:
 	return err;
 }
 
-static int prealloc_file_range(struct inode *inode, u64 start, u64 end,
-			u64 alloc_hint, int mode, loff_t actual_len)
+int btrfs_prealloc_file_range(struct inode *inode, int mode,
+			      u64 start, u64 num_bytes, u64 min_size,
+			      loff_t actual_len, u64 *alloc_hint)
 {
 	struct btrfs_trans_handle *trans;
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_key ins;
 	u64 cur_offset = start;
-	u64 num_bytes = end - start;
 	int ret = 0;
-	u64 i_size;
 
 	while (num_bytes > 0) {
 		trans = btrfs_start_transaction(root, 3);
@@ -6098,9 +6104,8 @@ static int prealloc_file_range(struct inode *inode, u64 start, u64 end,
 			break;
 		}
 
-		ret = btrfs_reserve_extent(trans, root, num_bytes,
-					   root->sectorsize, 0, alloc_hint,
-					   (u64)-1, &ins, 1);
+		ret = btrfs_reserve_extent(trans, root, num_bytes, min_size,
+					   0, *alloc_hint, (u64)-1, &ins, 1);
 		if (ret) {
 			btrfs_end_transaction(trans, root);
 			break;
@@ -6117,20 +6122,19 @@ static int prealloc_file_range(struct inode *inode, u64 start, u64 end,
 
 		num_bytes -= ins.offset;
 		cur_offset += ins.offset;
-		alloc_hint = ins.objectid + ins.offset;
+		*alloc_hint = ins.objectid + ins.offset;
 
 		inode->i_ctime = CURRENT_TIME;
 		BTRFS_I(inode)->flags |= BTRFS_INODE_PREALLOC;
 		if (!(mode & FALLOC_FL_KEEP_SIZE) &&
-			(actual_len > inode->i_size) &&
-			(cur_offset > inode->i_size)) {
-
+		    (actual_len > inode->i_size) &&
+		    (cur_offset > inode->i_size)) {
 			if (cur_offset > actual_len)
-				i_size  = actual_len;
+				i_size_write(inode, actual_len);
 			else
-				i_size = cur_offset;
-			i_size_write(inode, i_size);
-			btrfs_ordered_update_i_size(inode, i_size, NULL);
+				i_size_write(inode, cur_offset);
+			i_size_write(inode, cur_offset);
+			btrfs_ordered_update_i_size(inode, cur_offset, NULL);
 		}
 
 		ret = btrfs_update_inode(trans, root, inode);
@@ -6216,16 +6220,16 @@ static long btrfs_fallocate(struct inode *inode, int mode,
 		if (em->block_start == EXTENT_MAP_HOLE ||
 		    (cur_offset >= inode->i_size &&
 		     !test_bit(EXTENT_FLAG_PREALLOC, &em->flags))) {
-			ret = prealloc_file_range(inode,
-						  cur_offset, last_byte,
-						alloc_hint, mode, offset+len);
+			ret = btrfs_prealloc_file_range(inode, 0, cur_offset,
+							last_byte - cur_offset,
+							1 << inode->i_blkbits,
+							offset + len,
+							&alloc_hint);
 			if (ret < 0) {
 				free_extent_map(em);
 				break;
 			}
 		}
-		if (em->block_start <= EXTENT_MAP_LAST_BYTE)
-			alloc_hint = em->block_start;
 		free_extent_map(em);
 
 		cur_offset = last_byte;
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 145a468c300..3943526b734 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2545,6 +2545,50 @@ out:
 	return err;
 }
 
+static noinline_for_stack
+int prealloc_file_extent_cluster(struct inode *inode,
+				 struct file_extent_cluster *cluster)
+{
+	u64 alloc_hint = 0;
+	u64 start;
+	u64 end;
+	u64 offset = BTRFS_I(inode)->index_cnt;
+	u64 num_bytes;
+	int nr = 0;
+	int ret = 0;
+
+	BUG_ON(cluster->start != cluster->boundary[0]);
+	mutex_lock(&inode->i_mutex);
+
+	ret = btrfs_check_data_free_space(inode, cluster->end +
+					  1 - cluster->start);
+	if (ret)
+		goto out;
+
+	while (nr < cluster->nr) {
+		start = cluster->boundary[nr] - offset;
+		if (nr + 1 < cluster->nr)
+			end = cluster->boundary[nr + 1] - 1 - offset;
+		else
+			end = cluster->end - offset;
+
+		lock_extent(&BTRFS_I(inode)->io_tree, start, end, GFP_NOFS);
+		num_bytes = end + 1 - start;
+		ret = btrfs_prealloc_file_range(inode, 0, start,
+						num_bytes, num_bytes,
+						end + 1, &alloc_hint);
+		unlock_extent(&BTRFS_I(inode)->io_tree, start, end, GFP_NOFS);
+		if (ret)
+			break;
+		nr++;
+	}
+	btrfs_free_reserved_data_space(inode, cluster->end +
+				       1 - cluster->start);
+out:
+	mutex_unlock(&inode->i_mutex);
+	return ret;
+}
+
 static noinline_for_stack
 int setup_extent_mapping(struct inode *inode, u64 start, u64 end,
 			 u64 block_start)
@@ -2588,7 +2632,6 @@ static int relocate_file_extent_cluster(struct inode *inode,
 	u64 offset = BTRFS_I(inode)->index_cnt;
 	unsigned long index;
 	unsigned long last_index;
-	unsigned int dirty_page = 0;
 	struct page *page;
 	struct file_ra_state *ra;
 	int nr = 0;
@@ -2601,21 +2644,24 @@ static int relocate_file_extent_cluster(struct inode *inode,
 	if (!ra)
 		return -ENOMEM;
 
-	index = (cluster->start - offset) >> PAGE_CACHE_SHIFT;
-	last_index = (cluster->end - offset) >> PAGE_CACHE_SHIFT;
-
-	mutex_lock(&inode->i_mutex);
-
-	i_size_write(inode, cluster->end + 1 - offset);
-	ret = setup_extent_mapping(inode, cluster->start - offset,
-				   cluster->end - offset, cluster->start);
+	ret = prealloc_file_extent_cluster(inode, cluster);
 	if (ret)
-		goto out_unlock;
+		goto out;
 
 	file_ra_state_init(ra, inode->i_mapping);
 
-	WARN_ON(cluster->start != cluster->boundary[0]);
+	ret = setup_extent_mapping(inode, cluster->start - offset,
+				   cluster->end - offset, cluster->start);
+	if (ret)
+		goto out;
+
+	index = (cluster->start - offset) >> PAGE_CACHE_SHIFT;
+	last_index = (cluster->end - offset) >> PAGE_CACHE_SHIFT;
 	while (index <= last_index) {
+		ret = btrfs_delalloc_reserve_metadata(inode, PAGE_CACHE_SIZE);
+		if (ret)
+			goto out;
+
 		page = find_lock_page(inode->i_mapping, index);
 		if (!page) {
 			page_cache_sync_readahead(inode->i_mapping,
@@ -2623,8 +2669,10 @@ static int relocate_file_extent_cluster(struct inode *inode,
 						  last_index + 1 - index);
 			page = grab_cache_page(inode->i_mapping, index);
 			if (!page) {
+				btrfs_delalloc_release_metadata(inode,
+							PAGE_CACHE_SIZE);
 				ret = -ENOMEM;
-				goto out_unlock;
+				goto out;
 			}
 		}
 
@@ -2640,8 +2688,10 @@ static int relocate_file_extent_cluster(struct inode *inode,
 			if (!PageUptodate(page)) {
 				unlock_page(page);
 				page_cache_release(page);
+				btrfs_delalloc_release_metadata(inode,
+							PAGE_CACHE_SIZE);
 				ret = -EIO;
-				goto out_unlock;
+				goto out;
 			}
 		}
 
@@ -2660,10 +2710,9 @@ static int relocate_file_extent_cluster(struct inode *inode,
 					EXTENT_BOUNDARY, GFP_NOFS);
 			nr++;
 		}
-		btrfs_set_extent_delalloc(inode, page_start, page_end, NULL);
 
+		btrfs_set_extent_delalloc(inode, page_start, page_end, NULL);
 		set_page_dirty(page);
-		dirty_page++;
 
 		unlock_extent(&BTRFS_I(inode)->io_tree,
 			      page_start, page_end, GFP_NOFS);
@@ -2671,20 +2720,11 @@ static int relocate_file_extent_cluster(struct inode *inode,
 		page_cache_release(page);
 
 		index++;
-		if (nr < cluster->nr &&
-		    page_end + 1 + offset == cluster->boundary[nr]) {
-			balance_dirty_pages_ratelimited_nr(inode->i_mapping,
-							   dirty_page);
-			dirty_page = 0;
-		}
-	}
-	if (dirty_page) {
-		balance_dirty_pages_ratelimited_nr(inode->i_mapping,
-						   dirty_page);
+		balance_dirty_pages_ratelimited(inode->i_mapping);
+		btrfs_throttle(BTRFS_I(inode)->root);
 	}
 	WARN_ON(nr != cluster->nr);
-out_unlock:
-	mutex_unlock(&inode->i_mutex);
+out:
 	kfree(ra);
 	return ret;
 }

From 3fd0a5585eb98e074fb9934549c8d85c49756c0d Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:49:59 -0400
Subject: [PATCH 2969/3638] Btrfs: Metadata ENOSPC handling for balance

This patch adds metadata ENOSPC handling for the balance code.
It is consisted by following major changes:

1. Avoid COW tree leave in the phrase of merging tree.

2. Handle interaction with snapshot creation.

3. make the backref cache can live across transactions.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.c       |    3 +
 fs/btrfs/ctree.h       |   11 +-
 fs/btrfs/extent-tree.c |   23 +-
 fs/btrfs/relocation.c  | 1873 ++++++++++++++++++++++++----------------
 fs/btrfs/transaction.c |    6 +-
 5 files changed, 1166 insertions(+), 750 deletions(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 6bee8e5204f..acd532af8e5 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -447,6 +447,9 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
 
 	update_ref_for_cow(trans, root, buf, cow, &last_ref);
 
+	if (root->ref_cows)
+		btrfs_reloc_cow_block(trans, root, buf, cow);
+
 	if (buf == root->node) {
 		WARN_ON(parent && parent != buf);
 		if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID ||
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 65530837d04..5ed0223d1cb 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2205,7 +2205,8 @@ static inline int btrfs_insert_empty_item(struct btrfs_trans_handle *trans,
 int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path);
 int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path);
 int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf);
-int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref);
+int btrfs_drop_snapshot(struct btrfs_root *root,
+			struct btrfs_block_rsv *block_rsv, int update_ref);
 int btrfs_drop_subtree(struct btrfs_trans_handle *trans,
 			struct btrfs_root *root,
 			struct extent_buffer *node,
@@ -2479,4 +2480,12 @@ int btrfs_update_reloc_root(struct btrfs_trans_handle *trans,
 			    struct btrfs_root *root);
 int btrfs_recover_relocation(struct btrfs_root *root);
 int btrfs_reloc_clone_csums(struct inode *inode, u64 file_pos, u64 len);
+void btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
+			   struct btrfs_root *root, struct extent_buffer *buf,
+			   struct extent_buffer *cow);
+void btrfs_reloc_pre_snapshot(struct btrfs_trans_handle *trans,
+			      struct btrfs_pending_snapshot *pending,
+			      u64 *bytes_to_reserve);
+void btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
+			      struct btrfs_pending_snapshot *pending);
 #endif
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a713f69f0c7..d61a799fe32 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5875,7 +5875,8 @@ static noinline int walk_up_tree(struct btrfs_trans_handle *trans,
  * also make sure backrefs for the shared block and all lower level
  * blocks are properly updated.
  */
-int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref)
+int btrfs_drop_snapshot(struct btrfs_root *root,
+			struct btrfs_block_rsv *block_rsv, int update_ref)
 {
 	struct btrfs_path *path;
 	struct btrfs_trans_handle *trans;
@@ -5894,6 +5895,8 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref)
 	BUG_ON(!wc);
 
 	trans = btrfs_start_transaction(tree_root, 0);
+	if (block_rsv)
+		trans->block_rsv = block_rsv;
 
 	if (btrfs_disk_key_objectid(&root_item->drop_progress) == 0) {
 		level = btrfs_header_level(root->node);
@@ -5981,24 +5984,16 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref)
 		}
 
 		BUG_ON(wc->level == 0);
-		if (trans->transaction->in_commit ||
-		    trans->transaction->delayed_refs.flushing) {
+		if (btrfs_should_end_transaction(trans, tree_root)) {
 			ret = btrfs_update_root(trans, tree_root,
 						&root->root_key,
 						root_item);
 			BUG_ON(ret);
 
-			btrfs_end_transaction(trans, tree_root);
+			btrfs_end_transaction_throttle(trans, tree_root);
 			trans = btrfs_start_transaction(tree_root, 0);
-			if (IS_ERR(trans))
-				return PTR_ERR(trans);
-		} else {
-			unsigned long update;
-			update = trans->delayed_ref_updates;
-			trans->delayed_ref_updates = 0;
-			if (update)
-				btrfs_run_delayed_refs(trans, tree_root,
-						       update);
+			if (block_rsv)
+				trans->block_rsv = block_rsv;
 		}
 	}
 	btrfs_release_path(root, path);
@@ -6026,7 +6021,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref)
 		kfree(root);
 	}
 out:
-	btrfs_end_transaction(trans, tree_root);
+	btrfs_end_transaction_throttle(trans, tree_root);
 	kfree(wc);
 	btrfs_free_path(path);
 	return err;
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 3943526b734..05d41e56923 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -44,8 +44,12 @@ struct tree_entry {
 struct backref_node {
 	struct rb_node rb_node;
 	u64 bytenr;
-	/* objectid tree block owner */
+
+	u64 new_bytenr;
+	/* objectid of tree block owner, can be not uptodate */
 	u64 owner;
+	/* link to pending, changed or detached list */
+	struct list_head list;
 	/* list of upper level blocks reference this block */
 	struct list_head upper;
 	/* list of child blocks in the cache */
@@ -56,9 +60,9 @@ struct backref_node {
 	struct extent_buffer *eb;
 	/* level of tree block */
 	unsigned int level:8;
-	/* 1 if the block is root of old snapshot */
-	unsigned int old_root:1;
-	/* 1 if no child blocks in the cache */
+	/* is the block in non-reference counted tree */
+	unsigned int cowonly:1;
+	/* 1 if no child node in the cache */
 	unsigned int lowest:1;
 	/* is the extent buffer locked */
 	unsigned int locked:1;
@@ -66,6 +70,16 @@ struct backref_node {
 	unsigned int processed:1;
 	/* have backrefs of this block been checked */
 	unsigned int checked:1;
+	/*
+	 * 1 if corresponding block has been cowed but some upper
+	 * level block pointers may not point to the new location
+	 */
+	unsigned int pending:1;
+	/*
+	 * 1 if the backref node isn't connected to any other
+	 * backref node.
+	 */
+	unsigned int detached:1;
 };
 
 /*
@@ -74,7 +88,6 @@ struct backref_node {
 struct backref_edge {
 	struct list_head list[2];
 	struct backref_node *node[2];
-	u64 blockptr;
 };
 
 #define LOWER	0
@@ -83,9 +96,25 @@ struct backref_edge {
 struct backref_cache {
 	/* red black tree of all backref nodes in the cache */
 	struct rb_root rb_root;
-	/* list of backref nodes with no child block in the cache */
+	/* for passing backref nodes to btrfs_reloc_cow_block */
+	struct backref_node *path[BTRFS_MAX_LEVEL];
+	/*
+	 * list of blocks that have been cowed but some block
+	 * pointers in upper level blocks may not reflect the
+	 * new location
+	 */
 	struct list_head pending[BTRFS_MAX_LEVEL];
-	spinlock_t lock;
+	/* list of backref nodes with no child node */
+	struct list_head leaves;
+	/* list of blocks that have been cowed in current transaction */
+	struct list_head changed;
+	/* list of detached backref node. */
+	struct list_head detached;
+
+	u64 last_trans;
+
+	int nr_nodes;
+	int nr_edges;
 };
 
 /*
@@ -113,15 +142,6 @@ struct tree_block {
 	unsigned int key_ready:1;
 };
 
-/* inode vector */
-#define INODEVEC_SIZE 16
-
-struct inodevec {
-	struct list_head list;
-	struct inode *inode[INODEVEC_SIZE];
-	int nr;
-};
-
 #define MAX_EXTENTS 128
 
 struct file_extent_cluster {
@@ -138,36 +158,43 @@ struct reloc_control {
 	struct btrfs_root *extent_root;
 	/* inode for moving data */
 	struct inode *data_inode;
-	struct btrfs_workers workers;
+
+	struct btrfs_block_rsv *block_rsv;
+
+	struct backref_cache backref_cache;
+
+	struct file_extent_cluster cluster;
 	/* tree blocks have been processed */
 	struct extent_io_tree processed_blocks;
 	/* map start of tree root to corresponding reloc tree */
 	struct mapping_tree reloc_root_tree;
 	/* list of reloc trees */
 	struct list_head reloc_roots;
+	/* size of metadata reservation for merging reloc trees */
+	u64 merging_rsv_size;
+	/* size of relocated tree nodes */
+	u64 nodes_relocated;
+
 	u64 search_start;
 	u64 extents_found;
-	u64 extents_skipped;
-	int stage;
-	int create_reloc_root;
+
+	int block_rsv_retries;
+
+	unsigned int stage:8;
+	unsigned int create_reloc_tree:1;
+	unsigned int merge_reloc_tree:1;
 	unsigned int found_file_extent:1;
-	unsigned int found_old_snapshot:1;
+	unsigned int commit_transaction:1;
 };
 
 /* stages of data relocation */
 #define MOVE_DATA_EXTENTS	0
 #define UPDATE_DATA_PTRS	1
 
-/*
- * merge reloc tree to corresponding fs tree in worker threads
- */
-struct async_merge {
-	struct btrfs_work work;
-	struct reloc_control *rc;
-	struct btrfs_root *root;
-	struct completion *done;
-	atomic_t *num_pending;
-};
+static void remove_backref_node(struct backref_cache *cache,
+				struct backref_node *node);
+static void __mark_block_processed(struct reloc_control *rc,
+				   struct backref_node *node);
 
 static void mapping_tree_init(struct mapping_tree *tree)
 {
@@ -181,15 +208,80 @@ static void backref_cache_init(struct backref_cache *cache)
 	cache->rb_root = RB_ROOT;
 	for (i = 0; i < BTRFS_MAX_LEVEL; i++)
 		INIT_LIST_HEAD(&cache->pending[i]);
-	spin_lock_init(&cache->lock);
+	INIT_LIST_HEAD(&cache->changed);
+	INIT_LIST_HEAD(&cache->detached);
+	INIT_LIST_HEAD(&cache->leaves);
 }
 
-static void backref_node_init(struct backref_node *node)
+static void backref_cache_cleanup(struct backref_cache *cache)
 {
-	memset(node, 0, sizeof(*node));
-	INIT_LIST_HEAD(&node->upper);
-	INIT_LIST_HEAD(&node->lower);
-	RB_CLEAR_NODE(&node->rb_node);
+	struct backref_node *node;
+	int i;
+
+	while (!list_empty(&cache->detached)) {
+		node = list_entry(cache->detached.next,
+				  struct backref_node, list);
+		remove_backref_node(cache, node);
+	}
+
+	while (!list_empty(&cache->leaves)) {
+		node = list_entry(cache->leaves.next,
+				  struct backref_node, lower);
+		remove_backref_node(cache, node);
+	}
+
+	cache->last_trans = 0;
+
+	for (i = 0; i < BTRFS_MAX_LEVEL; i++)
+		BUG_ON(!list_empty(&cache->pending[i]));
+	BUG_ON(!list_empty(&cache->changed));
+	BUG_ON(!list_empty(&cache->detached));
+	BUG_ON(!RB_EMPTY_ROOT(&cache->rb_root));
+	BUG_ON(cache->nr_nodes);
+	BUG_ON(cache->nr_edges);
+}
+
+static struct backref_node *alloc_backref_node(struct backref_cache *cache)
+{
+	struct backref_node *node;
+
+	node = kzalloc(sizeof(*node), GFP_NOFS);
+	if (node) {
+		INIT_LIST_HEAD(&node->list);
+		INIT_LIST_HEAD(&node->upper);
+		INIT_LIST_HEAD(&node->lower);
+		RB_CLEAR_NODE(&node->rb_node);
+		cache->nr_nodes++;
+	}
+	return node;
+}
+
+static void free_backref_node(struct backref_cache *cache,
+			      struct backref_node *node)
+{
+	if (node) {
+		cache->nr_nodes--;
+		kfree(node);
+	}
+}
+
+static struct backref_edge *alloc_backref_edge(struct backref_cache *cache)
+{
+	struct backref_edge *edge;
+
+	edge = kzalloc(sizeof(*edge), GFP_NOFS);
+	if (edge)
+		cache->nr_edges++;
+	return edge;
+}
+
+static void free_backref_edge(struct backref_cache *cache,
+			      struct backref_edge *edge)
+{
+	if (edge) {
+		cache->nr_edges--;
+		kfree(edge);
+	}
 }
 
 static struct rb_node *tree_insert(struct rb_root *root, u64 bytenr,
@@ -250,6 +342,7 @@ static struct backref_node *walk_up_backref(struct backref_node *node,
 		edges[idx++] = edge;
 		node = edge->node[UPPER];
 	}
+	BUG_ON(node->detached);
 	*index = idx;
 	return node;
 }
@@ -281,13 +374,18 @@ static struct backref_node *walk_down_backref(struct backref_edge *edges[],
 	return NULL;
 }
 
+static void unlock_node_buffer(struct backref_node *node)
+{
+	if (node->locked) {
+		btrfs_tree_unlock(node->eb);
+		node->locked = 0;
+	}
+}
+
 static void drop_node_buffer(struct backref_node *node)
 {
 	if (node->eb) {
-		if (node->locked) {
-			btrfs_tree_unlock(node->eb);
-			node->locked = 0;
-		}
+		unlock_node_buffer(node);
 		free_extent_buffer(node->eb);
 		node->eb = NULL;
 	}
@@ -296,14 +394,14 @@ static void drop_node_buffer(struct backref_node *node)
 static void drop_backref_node(struct backref_cache *tree,
 			      struct backref_node *node)
 {
-	BUG_ON(!node->lowest);
 	BUG_ON(!list_empty(&node->upper));
 
 	drop_node_buffer(node);
+	list_del(&node->list);
 	list_del(&node->lower);
-
-	rb_erase(&node->rb_node, &tree->rb_root);
-	kfree(node);
+	if (!RB_EMPTY_NODE(&node->rb_node))
+		rb_erase(&node->rb_node, &tree->rb_root);
+	free_backref_node(tree, node);
 }
 
 /*
@@ -318,27 +416,121 @@ static void remove_backref_node(struct backref_cache *cache,
 	if (!node)
 		return;
 
-	BUG_ON(!node->lowest);
+	BUG_ON(!node->lowest && !node->detached);
 	while (!list_empty(&node->upper)) {
 		edge = list_entry(node->upper.next, struct backref_edge,
 				  list[LOWER]);
 		upper = edge->node[UPPER];
 		list_del(&edge->list[LOWER]);
 		list_del(&edge->list[UPPER]);
-		kfree(edge);
+		free_backref_edge(cache, edge);
+
+		if (RB_EMPTY_NODE(&upper->rb_node)) {
+			BUG_ON(!list_empty(&node->upper));
+			drop_backref_node(cache, node);
+			node = upper;
+			node->lowest = 1;
+			continue;
+		}
 		/*
-		 * add the node to pending list if no other
+		 * add the node to leaf node list if no other
 		 * child block cached.
 		 */
 		if (list_empty(&upper->lower)) {
-			list_add_tail(&upper->lower,
-				      &cache->pending[upper->level]);
+			list_add_tail(&upper->lower, &cache->leaves);
 			upper->lowest = 1;
 		}
 	}
+
 	drop_backref_node(cache, node);
 }
 
+static void update_backref_node(struct backref_cache *cache,
+				struct backref_node *node, u64 bytenr)
+{
+	struct rb_node *rb_node;
+	rb_erase(&node->rb_node, &cache->rb_root);
+	node->bytenr = bytenr;
+	rb_node = tree_insert(&cache->rb_root, node->bytenr, &node->rb_node);
+	BUG_ON(rb_node);
+}
+
+/*
+ * update backref cache after a transaction commit
+ */
+static int update_backref_cache(struct btrfs_trans_handle *trans,
+				struct backref_cache *cache)
+{
+	struct backref_node *node;
+	int level = 0;
+
+	if (cache->last_trans == 0) {
+		cache->last_trans = trans->transid;
+		return 0;
+	}
+
+	if (cache->last_trans == trans->transid)
+		return 0;
+
+	/*
+	 * detached nodes are used to avoid unnecessary backref
+	 * lookup. transaction commit changes the extent tree.
+	 * so the detached nodes are no longer useful.
+	 */
+	while (!list_empty(&cache->detached)) {
+		node = list_entry(cache->detached.next,
+				  struct backref_node, list);
+		remove_backref_node(cache, node);
+	}
+
+	while (!list_empty(&cache->changed)) {
+		node = list_entry(cache->changed.next,
+				  struct backref_node, list);
+		list_del_init(&node->list);
+		BUG_ON(node->pending);
+		update_backref_node(cache, node, node->new_bytenr);
+	}
+
+	/*
+	 * some nodes can be left in the pending list if there were
+	 * errors during processing the pending nodes.
+	 */
+	for (level = 0; level < BTRFS_MAX_LEVEL; level++) {
+		list_for_each_entry(node, &cache->pending[level], list) {
+			BUG_ON(!node->pending);
+			if (node->bytenr == node->new_bytenr)
+				continue;
+			update_backref_node(cache, node, node->new_bytenr);
+		}
+	}
+
+	cache->last_trans = 0;
+	return 1;
+}
+
+static int should_ignore_root(struct btrfs_root *root)
+{
+	struct btrfs_root *reloc_root;
+
+	if (!root->ref_cows)
+		return 0;
+
+	reloc_root = root->reloc_root;
+	if (!reloc_root)
+		return 0;
+
+	if (btrfs_root_last_snapshot(&reloc_root->root_item) ==
+	    root->fs_info->running_transaction->transid - 1)
+		return 0;
+	/*
+	 * if there is reloc tree and it was created in previous
+	 * transaction backref lookup can find the reloc tree,
+	 * so backref node for the fs tree root is useless for
+	 * relocation.
+	 */
+	return 1;
+}
+
 /*
  * find reloc tree by address of tree root
  */
@@ -453,11 +645,12 @@ int find_inline_backref(struct extent_buffer *leaf, int slot,
  * for all upper level blocks that directly/indirectly reference the
  * block are also cached.
  */
-static struct backref_node *build_backref_tree(struct reloc_control *rc,
-					       struct backref_cache *cache,
-					       struct btrfs_key *node_key,
-					       int level, u64 bytenr)
+static noinline_for_stack
+struct backref_node *build_backref_tree(struct reloc_control *rc,
+					struct btrfs_key *node_key,
+					int level, u64 bytenr)
 {
+	struct backref_cache *cache = &rc->backref_cache;
 	struct btrfs_path *path1;
 	struct btrfs_path *path2;
 	struct extent_buffer *eb;
@@ -473,6 +666,8 @@ static struct backref_node *build_backref_tree(struct reloc_control *rc,
 	unsigned long end;
 	unsigned long ptr;
 	LIST_HEAD(list);
+	LIST_HEAD(useless);
+	int cowonly;
 	int ret;
 	int err = 0;
 
@@ -483,15 +678,13 @@ static struct backref_node *build_backref_tree(struct reloc_control *rc,
 		goto out;
 	}
 
-	node = kmalloc(sizeof(*node), GFP_NOFS);
+	node = alloc_backref_node(cache);
 	if (!node) {
 		err = -ENOMEM;
 		goto out;
 	}
 
-	backref_node_init(node);
 	node->bytenr = bytenr;
-	node->owner = 0;
 	node->level = level;
 	node->lowest = 1;
 	cur = node;
@@ -587,17 +780,20 @@ again:
 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
 		if (key.type == BTRFS_SHARED_BLOCK_REF_KEY ||
 		    key.type == BTRFS_EXTENT_REF_V0_KEY) {
-			if (key.objectid == key.offset &&
-			    key.type == BTRFS_EXTENT_REF_V0_KEY) {
+			if (key.type == BTRFS_EXTENT_REF_V0_KEY) {
 				struct btrfs_extent_ref_v0 *ref0;
 				ref0 = btrfs_item_ptr(eb, path1->slots[0],
 						struct btrfs_extent_ref_v0);
 				root = find_tree_root(rc, eb, ref0);
-				if (root)
-					cur->root = root;
-				else
-					cur->old_root = 1;
-				break;
+				if (!root->ref_cows)
+					cur->cowonly = 1;
+				if (key.objectid == key.offset) {
+					if (root && !should_ignore_root(root))
+						cur->root = root;
+					else
+						list_add(&cur->list, &useless);
+					break;
+				}
 			}
 #else
 		BUG_ON(key.type == BTRFS_EXTENT_REF_V0_KEY);
@@ -614,22 +810,20 @@ again:
 				break;
 			}
 
-			edge = kzalloc(sizeof(*edge), GFP_NOFS);
+			edge = alloc_backref_edge(cache);
 			if (!edge) {
 				err = -ENOMEM;
 				goto out;
 			}
 			rb_node = tree_search(&cache->rb_root, key.offset);
 			if (!rb_node) {
-				upper = kmalloc(sizeof(*upper), GFP_NOFS);
+				upper = alloc_backref_node(cache);
 				if (!upper) {
-					kfree(edge);
+					free_backref_edge(cache, edge);
 					err = -ENOMEM;
 					goto out;
 				}
-				backref_node_init(upper);
 				upper->bytenr = key.offset;
-				upper->owner = 0;
 				upper->level = cur->level + 1;
 				/*
 				 *  backrefs for the upper level block isn't
@@ -639,11 +833,12 @@ again:
 			} else {
 				upper = rb_entry(rb_node, struct backref_node,
 						 rb_node);
+				BUG_ON(!upper->checked);
 				INIT_LIST_HEAD(&edge->list[UPPER]);
 			}
-			list_add(&edge->list[LOWER], &cur->upper);
-			edge->node[UPPER] = upper;
+			list_add_tail(&edge->list[LOWER], &cur->upper);
 			edge->node[LOWER] = cur;
+			edge->node[UPPER] = upper;
 
 			goto next;
 		} else if (key.type != BTRFS_TREE_BLOCK_REF_KEY) {
@@ -657,11 +852,17 @@ again:
 			goto out;
 		}
 
+		if (!root->ref_cows)
+			cur->cowonly = 1;
+
 		if (btrfs_root_level(&root->root_item) == cur->level) {
 			/* tree root */
 			BUG_ON(btrfs_root_bytenr(&root->root_item) !=
 			       cur->bytenr);
-			cur->root = root;
+			if (should_ignore_root(root))
+				list_add(&cur->list, &useless);
+			else
+				cur->root = root;
 			break;
 		}
 
@@ -692,11 +893,14 @@ again:
 			if (!path2->nodes[level]) {
 				BUG_ON(btrfs_root_bytenr(&root->root_item) !=
 				       lower->bytenr);
-				lower->root = root;
+				if (should_ignore_root(root))
+					list_add(&lower->list, &useless);
+				else
+					lower->root = root;
 				break;
 			}
 
-			edge = kzalloc(sizeof(*edge), GFP_NOFS);
+			edge = alloc_backref_edge(cache);
 			if (!edge) {
 				err = -ENOMEM;
 				goto out;
@@ -705,16 +909,17 @@ again:
 			eb = path2->nodes[level];
 			rb_node = tree_search(&cache->rb_root, eb->start);
 			if (!rb_node) {
-				upper = kmalloc(sizeof(*upper), GFP_NOFS);
+				upper = alloc_backref_node(cache);
 				if (!upper) {
-					kfree(edge);
+					free_backref_edge(cache, edge);
 					err = -ENOMEM;
 					goto out;
 				}
-				backref_node_init(upper);
 				upper->bytenr = eb->start;
 				upper->owner = btrfs_header_owner(eb);
 				upper->level = lower->level + 1;
+				if (!root->ref_cows)
+					upper->cowonly = 1;
 
 				/*
 				 * if we know the block isn't shared
@@ -744,10 +949,12 @@ again:
 						 rb_node);
 				BUG_ON(!upper->checked);
 				INIT_LIST_HEAD(&edge->list[UPPER]);
+				if (!upper->owner)
+					upper->owner = btrfs_header_owner(eb);
 			}
 			list_add_tail(&edge->list[LOWER], &lower->upper);
-			edge->node[UPPER] = upper;
 			edge->node[LOWER] = lower;
+			edge->node[UPPER] = upper;
 
 			if (rb_node)
 				break;
@@ -785,8 +992,13 @@ next:
 	 * into the cache.
 	 */
 	BUG_ON(!node->checked);
-	rb_node = tree_insert(&cache->rb_root, node->bytenr, &node->rb_node);
-	BUG_ON(rb_node);
+	cowonly = node->cowonly;
+	if (!cowonly) {
+		rb_node = tree_insert(&cache->rb_root, node->bytenr,
+				      &node->rb_node);
+		BUG_ON(rb_node);
+		list_add_tail(&node->lower, &cache->leaves);
+	}
 
 	list_for_each_entry(edge, &node->upper, list[LOWER])
 		list_add_tail(&edge->list[UPPER], &list);
@@ -795,6 +1007,14 @@ next:
 		edge = list_entry(list.next, struct backref_edge, list[UPPER]);
 		list_del_init(&edge->list[UPPER]);
 		upper = edge->node[UPPER];
+		if (upper->detached) {
+			list_del(&edge->list[LOWER]);
+			lower = edge->node[LOWER];
+			free_backref_edge(cache, edge);
+			if (list_empty(&lower->upper))
+				list_add(&lower->list, &useless);
+			continue;
+		}
 
 		if (!RB_EMPTY_NODE(&upper->rb_node)) {
 			if (upper->lowest) {
@@ -807,25 +1027,69 @@ next:
 		}
 
 		BUG_ON(!upper->checked);
-		rb_node = tree_insert(&cache->rb_root, upper->bytenr,
-				      &upper->rb_node);
-		BUG_ON(rb_node);
+		BUG_ON(cowonly != upper->cowonly);
+		if (!cowonly) {
+			rb_node = tree_insert(&cache->rb_root, upper->bytenr,
+					      &upper->rb_node);
+			BUG_ON(rb_node);
+		}
 
 		list_add_tail(&edge->list[UPPER], &upper->lower);
 
 		list_for_each_entry(edge, &upper->upper, list[LOWER])
 			list_add_tail(&edge->list[UPPER], &list);
 	}
+	/*
+	 * process useless backref nodes. backref nodes for tree leaves
+	 * are deleted from the cache. backref nodes for upper level
+	 * tree blocks are left in the cache to avoid unnecessary backref
+	 * lookup.
+	 */
+	while (!list_empty(&useless)) {
+		upper = list_entry(useless.next, struct backref_node, list);
+		list_del_init(&upper->list);
+		BUG_ON(!list_empty(&upper->upper));
+		if (upper == node)
+			node = NULL;
+		if (upper->lowest) {
+			list_del_init(&upper->lower);
+			upper->lowest = 0;
+		}
+		while (!list_empty(&upper->lower)) {
+			edge = list_entry(upper->lower.next,
+					  struct backref_edge, list[UPPER]);
+			list_del(&edge->list[UPPER]);
+			list_del(&edge->list[LOWER]);
+			lower = edge->node[LOWER];
+			free_backref_edge(cache, edge);
+
+			if (list_empty(&lower->upper))
+				list_add(&lower->list, &useless);
+		}
+		__mark_block_processed(rc, upper);
+		if (upper->level > 0) {
+			list_add(&upper->list, &cache->detached);
+			upper->detached = 1;
+		} else {
+			rb_erase(&upper->rb_node, &cache->rb_root);
+			free_backref_node(cache, upper);
+		}
+	}
 out:
 	btrfs_free_path(path1);
 	btrfs_free_path(path2);
 	if (err) {
-		INIT_LIST_HEAD(&list);
+		while (!list_empty(&useless)) {
+			lower = list_entry(useless.next,
+					   struct backref_node, upper);
+			list_del_init(&lower->upper);
+		}
 		upper = node;
+		INIT_LIST_HEAD(&list);
 		while (upper) {
 			if (RB_EMPTY_NODE(&upper->rb_node)) {
 				list_splice_tail(&upper->upper, &list);
-				kfree(upper);
+				free_backref_node(cache, upper);
 			}
 
 			if (list_empty(&list))
@@ -833,14 +1097,103 @@ out:
 
 			edge = list_entry(list.next, struct backref_edge,
 					  list[LOWER]);
+			list_del(&edge->list[LOWER]);
 			upper = edge->node[UPPER];
-			kfree(edge);
+			free_backref_edge(cache, edge);
 		}
 		return ERR_PTR(err);
 	}
+	BUG_ON(node && node->detached);
 	return node;
 }
 
+/*
+ * helper to add backref node for the newly created snapshot.
+ * the backref node is created by cloning backref node that
+ * corresponds to root of source tree
+ */
+static int clone_backref_node(struct btrfs_trans_handle *trans,
+			      struct reloc_control *rc,
+			      struct btrfs_root *src,
+			      struct btrfs_root *dest)
+{
+	struct btrfs_root *reloc_root = src->reloc_root;
+	struct backref_cache *cache = &rc->backref_cache;
+	struct backref_node *node = NULL;
+	struct backref_node *new_node;
+	struct backref_edge *edge;
+	struct backref_edge *new_edge;
+	struct rb_node *rb_node;
+
+	if (cache->last_trans > 0)
+		update_backref_cache(trans, cache);
+
+	rb_node = tree_search(&cache->rb_root, src->commit_root->start);
+	if (rb_node) {
+		node = rb_entry(rb_node, struct backref_node, rb_node);
+		if (node->detached)
+			node = NULL;
+		else
+			BUG_ON(node->new_bytenr != reloc_root->node->start);
+	}
+
+	if (!node) {
+		rb_node = tree_search(&cache->rb_root,
+				      reloc_root->commit_root->start);
+		if (rb_node) {
+			node = rb_entry(rb_node, struct backref_node,
+					rb_node);
+			BUG_ON(node->detached);
+		}
+	}
+
+	if (!node)
+		return 0;
+
+	new_node = alloc_backref_node(cache);
+	if (!new_node)
+		return -ENOMEM;
+
+	new_node->bytenr = dest->node->start;
+	new_node->level = node->level;
+	new_node->lowest = node->lowest;
+	new_node->root = dest;
+
+	if (!node->lowest) {
+		list_for_each_entry(edge, &node->lower, list[UPPER]) {
+			new_edge = alloc_backref_edge(cache);
+			if (!new_edge)
+				goto fail;
+
+			new_edge->node[UPPER] = new_node;
+			new_edge->node[LOWER] = edge->node[LOWER];
+			list_add_tail(&new_edge->list[UPPER],
+				      &new_node->lower);
+		}
+	}
+
+	rb_node = tree_insert(&cache->rb_root, new_node->bytenr,
+			      &new_node->rb_node);
+	BUG_ON(rb_node);
+
+	if (!new_node->lowest) {
+		list_for_each_entry(new_edge, &new_node->lower, list[UPPER]) {
+			list_add_tail(&new_edge->list[LOWER],
+				      &new_edge->node[LOWER]->upper);
+		}
+	}
+	return 0;
+fail:
+	while (!list_empty(&new_node->lower)) {
+		new_edge = list_entry(new_node->lower.next,
+				      struct backref_edge, list[UPPER]);
+		list_del(&new_edge->list[UPPER]);
+		free_backref_edge(cache, new_edge);
+	}
+	free_backref_node(cache, new_node);
+	return -ENOMEM;
+}
+
 /*
  * helper to add 'address of tree root -> reloc tree' mapping
  */
@@ -901,12 +1254,8 @@ static int __update_reloc_root(struct btrfs_root *root, int del)
 	return 0;
 }
 
-/*
- * create reloc tree for a given fs tree. reloc tree is just a
- * snapshot of the fs tree with special root objectid.
- */
-int btrfs_init_reloc_root(struct btrfs_trans_handle *trans,
-			  struct btrfs_root *root)
+static struct btrfs_root *create_reloc_root(struct btrfs_trans_handle *trans,
+					struct btrfs_root *root, u64 objectid)
 {
 	struct btrfs_root *reloc_root;
 	struct extent_buffer *eb;
@@ -914,36 +1263,45 @@ int btrfs_init_reloc_root(struct btrfs_trans_handle *trans,
 	struct btrfs_key root_key;
 	int ret;
 
-	if (root->reloc_root) {
-		reloc_root = root->reloc_root;
-		reloc_root->last_trans = trans->transid;
-		return 0;
-	}
-
-	if (!root->fs_info->reloc_ctl ||
-	    !root->fs_info->reloc_ctl->create_reloc_root ||
-	    root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID)
-		return 0;
-
 	root_item = kmalloc(sizeof(*root_item), GFP_NOFS);
 	BUG_ON(!root_item);
 
 	root_key.objectid = BTRFS_TREE_RELOC_OBJECTID;
 	root_key.type = BTRFS_ROOT_ITEM_KEY;
-	root_key.offset = root->root_key.objectid;
+	root_key.offset = objectid;
 
-	ret = btrfs_copy_root(trans, root, root->commit_root, &eb,
-			      BTRFS_TREE_RELOC_OBJECTID);
-	BUG_ON(ret);
+	if (root->root_key.objectid == objectid) {
+		/* called by btrfs_init_reloc_root */
+		ret = btrfs_copy_root(trans, root, root->commit_root, &eb,
+				      BTRFS_TREE_RELOC_OBJECTID);
+		BUG_ON(ret);
+
+		btrfs_set_root_last_snapshot(&root->root_item,
+					     trans->transid - 1);
+	} else {
+		/*
+		 * called by btrfs_reloc_post_snapshot_hook.
+		 * the source tree is a reloc tree, all tree blocks
+		 * modified after it was created have RELOC flag
+		 * set in their headers. so it's OK to not update
+		 * the 'last_snapshot'.
+		 */
+		ret = btrfs_copy_root(trans, root, root->node, &eb,
+				      BTRFS_TREE_RELOC_OBJECTID);
+		BUG_ON(ret);
+	}
 
-	btrfs_set_root_last_snapshot(&root->root_item, trans->transid - 1);
 	memcpy(root_item, &root->root_item, sizeof(*root_item));
-	btrfs_set_root_refs(root_item, 1);
 	btrfs_set_root_bytenr(root_item, eb->start);
 	btrfs_set_root_level(root_item, btrfs_header_level(eb));
 	btrfs_set_root_generation(root_item, trans->transid);
-	memset(&root_item->drop_progress, 0, sizeof(struct btrfs_disk_key));
-	root_item->drop_level = 0;
+
+	if (root->root_key.objectid == objectid) {
+		btrfs_set_root_refs(root_item, 0);
+		memset(&root_item->drop_progress, 0,
+		       sizeof(struct btrfs_disk_key));
+		root_item->drop_level = 0;
+	}
 
 	btrfs_tree_unlock(eb);
 	free_extent_buffer(eb);
@@ -957,6 +1315,37 @@ int btrfs_init_reloc_root(struct btrfs_trans_handle *trans,
 						 &root_key);
 	BUG_ON(IS_ERR(reloc_root));
 	reloc_root->last_trans = trans->transid;
+	return reloc_root;
+}
+
+/*
+ * create reloc tree for a given fs tree. reloc tree is just a
+ * snapshot of the fs tree with special root objectid.
+ */
+int btrfs_init_reloc_root(struct btrfs_trans_handle *trans,
+			  struct btrfs_root *root)
+{
+	struct btrfs_root *reloc_root;
+	struct reloc_control *rc = root->fs_info->reloc_ctl;
+	int clear_rsv = 0;
+
+	if (root->reloc_root) {
+		reloc_root = root->reloc_root;
+		reloc_root->last_trans = trans->transid;
+		return 0;
+	}
+
+	if (!rc || !rc->create_reloc_tree ||
+	    root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID)
+		return 0;
+
+	if (!trans->block_rsv) {
+		trans->block_rsv = rc->block_rsv;
+		clear_rsv = 1;
+	}
+	reloc_root = create_reloc_root(trans, root, root->root_key.objectid);
+	if (clear_rsv)
+		trans->block_rsv = NULL;
 
 	__add_reloc_root(reloc_root);
 	root->reloc_root = reloc_root;
@@ -980,7 +1369,8 @@ int btrfs_update_reloc_root(struct btrfs_trans_handle *trans,
 	reloc_root = root->reloc_root;
 	root_item = &reloc_root->root_item;
 
-	if (btrfs_root_refs(root_item) == 0) {
+	if (root->fs_info->reloc_ctl->merge_reloc_tree &&
+	    btrfs_root_refs(root_item) == 0) {
 		root->reloc_root = NULL;
 		del = 1;
 	}
@@ -1102,8 +1492,7 @@ static int get_new_location(struct inode *reloc_inode, u64 *new_bytenr,
 		goto out;
 	}
 
-	if (new_bytenr)
-		*new_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
+	*new_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
 	ret = 0;
 out:
 	btrfs_free_path(path);
@@ -1114,19 +1503,18 @@ out:
  * update file extent items in the tree leaf to point to
  * the new locations.
  */
-static int replace_file_extents(struct btrfs_trans_handle *trans,
-				struct reloc_control *rc,
-				struct btrfs_root *root,
-				struct extent_buffer *leaf,
-				struct list_head *inode_list)
+static noinline_for_stack
+int replace_file_extents(struct btrfs_trans_handle *trans,
+			 struct reloc_control *rc,
+			 struct btrfs_root *root,
+			 struct extent_buffer *leaf)
 {
 	struct btrfs_key key;
 	struct btrfs_file_extent_item *fi;
 	struct inode *inode = NULL;
-	struct inodevec *ivec = NULL;
 	u64 parent;
 	u64 bytenr;
-	u64 new_bytenr;
+	u64 new_bytenr = 0;
 	u64 num_bytes;
 	u64 end;
 	u32 nritems;
@@ -1166,21 +1554,12 @@ static int replace_file_extents(struct btrfs_trans_handle *trans,
 		 * to complete and drop the extent cache
 		 */
 		if (root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID) {
-			if (!ivec || ivec->nr == INODEVEC_SIZE) {
-				ivec = kmalloc(sizeof(*ivec), GFP_NOFS);
-				BUG_ON(!ivec);
-				ivec->nr = 0;
-				list_add_tail(&ivec->list, inode_list);
-			}
 			if (first) {
 				inode = find_next_inode(root, key.objectid);
-				if (inode)
-					ivec->inode[ivec->nr++] = inode;
 				first = 0;
 			} else if (inode && inode->i_ino < key.objectid) {
+				btrfs_add_delayed_iput(inode);
 				inode = find_next_inode(root, key.objectid);
-				if (inode)
-					ivec->inode[ivec->nr++] = inode;
 			}
 			if (inode && inode->i_ino == key.objectid) {
 				end = key.offset +
@@ -1204,8 +1583,10 @@ static int replace_file_extents(struct btrfs_trans_handle *trans,
 
 		ret = get_new_location(rc->data_inode, &new_bytenr,
 				       bytenr, num_bytes);
-		if (ret > 0)
+		if (ret > 0) {
+			WARN_ON(1);
 			continue;
+		}
 		BUG_ON(ret < 0);
 
 		btrfs_set_file_extent_disk_bytenr(leaf, fi, new_bytenr);
@@ -1225,6 +1606,8 @@ static int replace_file_extents(struct btrfs_trans_handle *trans,
 	}
 	if (dirty)
 		btrfs_mark_buffer_dirty(leaf);
+	if (inode)
+		btrfs_add_delayed_iput(inode);
 	return 0;
 }
 
@@ -1248,11 +1631,11 @@ int memcmp_node_keys(struct extent_buffer *eb, int slot,
  * if no block got replaced, 0 is returned. if there are other
  * errors, a negative error number is returned.
  */
-static int replace_path(struct btrfs_trans_handle *trans,
-			struct btrfs_root *dest, struct btrfs_root *src,
-			struct btrfs_path *path, struct btrfs_key *next_key,
-			struct extent_buffer **leaf,
-			int lowest_level, int max_level)
+static noinline_for_stack
+int replace_path(struct btrfs_trans_handle *trans,
+		 struct btrfs_root *dest, struct btrfs_root *src,
+		 struct btrfs_path *path, struct btrfs_key *next_key,
+		 int lowest_level, int max_level)
 {
 	struct extent_buffer *eb;
 	struct extent_buffer *parent;
@@ -1263,16 +1646,16 @@ static int replace_path(struct btrfs_trans_handle *trans,
 	u64 new_ptr_gen;
 	u64 last_snapshot;
 	u32 blocksize;
+	int cow = 0;
 	int level;
 	int ret;
 	int slot;
 
 	BUG_ON(src->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID);
 	BUG_ON(dest->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID);
-	BUG_ON(lowest_level > 1 && leaf);
 
 	last_snapshot = btrfs_root_last_snapshot(&src->root_item);
-
+again:
 	slot = path->slots[lowest_level];
 	btrfs_node_key_to_cpu(path->nodes[lowest_level], &key, slot);
 
@@ -1286,8 +1669,10 @@ static int replace_path(struct btrfs_trans_handle *trans,
 		return 0;
 	}
 
-	ret = btrfs_cow_block(trans, dest, eb, NULL, 0, &eb);
-	BUG_ON(ret);
+	if (cow) {
+		ret = btrfs_cow_block(trans, dest, eb, NULL, 0, &eb);
+		BUG_ON(ret);
+	}
 	btrfs_set_lock_blocking(eb);
 
 	if (next_key) {
@@ -1331,7 +1716,7 @@ static int replace_path(struct btrfs_trans_handle *trans,
 
 		if (new_bytenr == 0 || old_ptr_gen > last_snapshot ||
 		    memcmp_node_keys(parent, slot, path, level)) {
-			if (level <= lowest_level && !leaf) {
+			if (level <= lowest_level) {
 				ret = 0;
 				break;
 			}
@@ -1339,16 +1724,12 @@ static int replace_path(struct btrfs_trans_handle *trans,
 			eb = read_tree_block(dest, old_bytenr, blocksize,
 					     old_ptr_gen);
 			btrfs_tree_lock(eb);
-			ret = btrfs_cow_block(trans, dest, eb, parent,
-					      slot, &eb);
-			BUG_ON(ret);
-			btrfs_set_lock_blocking(eb);
-
-			if (level <= lowest_level) {
-				*leaf = eb;
-				ret = 0;
-				break;
+			if (cow) {
+				ret = btrfs_cow_block(trans, dest, eb, parent,
+						      slot, &eb);
+				BUG_ON(ret);
 			}
+			btrfs_set_lock_blocking(eb);
 
 			btrfs_tree_unlock(parent);
 			free_extent_buffer(parent);
@@ -1357,6 +1738,13 @@ static int replace_path(struct btrfs_trans_handle *trans,
 			continue;
 		}
 
+		if (!cow) {
+			btrfs_tree_unlock(parent);
+			free_extent_buffer(parent);
+			cow = 1;
+			goto again;
+		}
+
 		btrfs_node_key_to_cpu(path->nodes[level], &key,
 				      path->slots[level]);
 		btrfs_release_path(src, path);
@@ -1562,20 +1950,6 @@ static int invalidate_extent_cache(struct btrfs_root *root,
 	return 0;
 }
 
-static void put_inodes(struct list_head *list)
-{
-	struct inodevec *ivec;
-	while (!list_empty(list)) {
-		ivec = list_entry(list->next, struct inodevec, list);
-		list_del(&ivec->list);
-		while (ivec->nr > 0) {
-			ivec->nr--;
-			iput(ivec->inode[ivec->nr]);
-		}
-		kfree(ivec);
-	}
-}
-
 static int find_next_key(struct btrfs_path *path, int level,
 			 struct btrfs_key *key)
 
@@ -1608,13 +1982,14 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 	struct btrfs_root *reloc_root;
 	struct btrfs_root_item *root_item;
 	struct btrfs_path *path;
-	struct extent_buffer *leaf = NULL;
+	struct extent_buffer *leaf;
 	unsigned long nr;
 	int level;
 	int max_level;
 	int replaced = 0;
 	int ret;
 	int err = 0;
+	u32 min_reserved;
 
 	path = btrfs_alloc_path();
 	if (!path)
@@ -1648,34 +2023,23 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 		btrfs_unlock_up_safe(path, 0);
 	}
 
-	if (level == 0 && rc->stage == UPDATE_DATA_PTRS) {
-		trans = btrfs_start_transaction(root, 0);
-
-		leaf = path->nodes[0];
-		btrfs_item_key_to_cpu(leaf, &key, 0);
-		btrfs_release_path(reloc_root, path);
-
-		ret = btrfs_search_slot(trans, root, &key, path, 0, 1);
-		if (ret < 0) {
-			err = ret;
-			goto out;
-		}
-
-		leaf = path->nodes[0];
-		btrfs_unlock_up_safe(path, 1);
-		ret = replace_file_extents(trans, rc, root, leaf,
-					   &inode_list);
-		if (ret < 0)
-			err = ret;
-		goto out;
-	}
-
+	min_reserved = root->nodesize * (BTRFS_MAX_LEVEL - 1) * 2;
 	memset(&next_key, 0, sizeof(next_key));
 
 	while (1) {
-		leaf = NULL;
-		replaced = 0;
 		trans = btrfs_start_transaction(root, 0);
+		trans->block_rsv = rc->block_rsv;
+
+		ret = btrfs_block_rsv_check(trans, root, rc->block_rsv,
+					    min_reserved, 0);
+		if (ret) {
+			BUG_ON(ret != -EAGAIN);
+			ret = btrfs_commit_transaction(trans, root);
+			BUG_ON(ret);
+			continue;
+		}
+
+		replaced = 0;
 		max_level = level;
 
 		ret = walk_down_reloc_tree(reloc_root, path, &level);
@@ -1689,14 +2053,9 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 		if (!find_next_key(path, level, &key) &&
 		    btrfs_comp_cpu_keys(&next_key, &key) >= 0) {
 			ret = 0;
-		} else if (level == 1 && rc->stage == UPDATE_DATA_PTRS) {
-			ret = replace_path(trans, root, reloc_root,
-					   path, &next_key, &leaf,
-					   level, max_level);
 		} else {
-			ret = replace_path(trans, root, reloc_root,
-					   path, &next_key, NULL,
-					   level, max_level);
+			ret = replace_path(trans, root, reloc_root, path,
+					   &next_key, level, max_level);
 		}
 		if (ret < 0) {
 			err = ret;
@@ -1708,16 +2067,6 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 			btrfs_node_key_to_cpu(path->nodes[level], &key,
 					      path->slots[level]);
 			replaced = 1;
-		} else if (leaf) {
-			/*
-			 * no block got replaced, try replacing file extents
-			 */
-			btrfs_item_key_to_cpu(leaf, &key, 0);
-			ret = replace_file_extents(trans, rc, root, leaf,
-						   &inode_list);
-			btrfs_tree_unlock(leaf);
-			free_extent_buffer(leaf);
-			BUG_ON(ret < 0);
 		}
 
 		ret = walk_up_reloc_tree(reloc_root, path, &level);
@@ -1734,15 +2083,10 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 		root_item->drop_level = level;
 
 		nr = trans->blocks_used;
-		btrfs_end_transaction(trans, root);
+		btrfs_end_transaction_throttle(trans, root);
 
 		btrfs_btree_balance_dirty(root, nr);
 
-		/*
-		 * put inodes outside transaction, otherwise we may deadlock.
-		 */
-		put_inodes(&inode_list);
-
 		if (replaced && rc->stage == UPDATE_DATA_PTRS)
 			invalidate_extent_cache(root, &key, &next_key);
 	}
@@ -1765,87 +2109,125 @@ out:
 		       sizeof(root_item->drop_progress));
 		root_item->drop_level = 0;
 		btrfs_set_root_refs(root_item, 0);
+		btrfs_update_reloc_root(trans, root);
 	}
 
 	nr = trans->blocks_used;
-	btrfs_end_transaction(trans, root);
+	btrfs_end_transaction_throttle(trans, root);
 
 	btrfs_btree_balance_dirty(root, nr);
 
-	put_inodes(&inode_list);
-
 	if (replaced && rc->stage == UPDATE_DATA_PTRS)
 		invalidate_extent_cache(root, &key, &next_key);
 
 	return err;
 }
 
-/*
- * callback for the work threads.
- * this function merges reloc tree with corresponding fs tree,
- * and then drops the reloc tree.
- */
-static void merge_func(struct btrfs_work *work)
+static noinline_for_stack
+int prepare_to_merge(struct reloc_control *rc, int err)
 {
-	struct btrfs_trans_handle *trans;
-	struct btrfs_root *root;
+	struct btrfs_root *root = rc->extent_root;
 	struct btrfs_root *reloc_root;
-	struct async_merge *async;
+	struct btrfs_trans_handle *trans;
+	LIST_HEAD(reloc_roots);
+	u64 num_bytes = 0;
+	int ret;
+	int retries = 0;
 
-	async = container_of(work, struct async_merge, work);
-	reloc_root = async->root;
+	mutex_lock(&root->fs_info->trans_mutex);
+	rc->merging_rsv_size += root->nodesize * (BTRFS_MAX_LEVEL - 1) * 2;
+	rc->merging_rsv_size += rc->nodes_relocated * 2;
+	mutex_unlock(&root->fs_info->trans_mutex);
+again:
+	if (!err) {
+		num_bytes = rc->merging_rsv_size;
+		ret = btrfs_block_rsv_add(NULL, root, rc->block_rsv,
+					  num_bytes, &retries);
+		if (ret)
+			err = ret;
+	}
+
+	trans = btrfs_join_transaction(rc->extent_root, 1);
+
+	if (!err) {
+		if (num_bytes != rc->merging_rsv_size) {
+			btrfs_end_transaction(trans, rc->extent_root);
+			btrfs_block_rsv_release(rc->extent_root,
+						rc->block_rsv, num_bytes);
+			retries = 0;
+			goto again;
+		}
+	}
+
+	rc->merge_reloc_tree = 1;
+
+	while (!list_empty(&rc->reloc_roots)) {
+		reloc_root = list_entry(rc->reloc_roots.next,
+					struct btrfs_root, root_list);
+		list_del_init(&reloc_root->root_list);
 
-	if (btrfs_root_refs(&reloc_root->root_item) > 0) {
 		root = read_fs_root(reloc_root->fs_info,
 				    reloc_root->root_key.offset);
 		BUG_ON(IS_ERR(root));
 		BUG_ON(root->reloc_root != reloc_root);
 
-		merge_reloc_root(async->rc, root);
-
-		trans = btrfs_start_transaction(root, 0);
+		/*
+		 * set reference count to 1, so btrfs_recover_relocation
+		 * knows it should resumes merging
+		 */
+		if (!err)
+			btrfs_set_root_refs(&reloc_root->root_item, 1);
 		btrfs_update_reloc_root(trans, root);
-		btrfs_end_transaction(trans, root);
+
+		list_add(&reloc_root->root_list, &reloc_roots);
 	}
 
-	btrfs_drop_snapshot(reloc_root, 0);
+	list_splice(&reloc_roots, &rc->reloc_roots);
 
-	if (atomic_dec_and_test(async->num_pending))
-		complete(async->done);
-
-	kfree(async);
+	if (!err)
+		btrfs_commit_transaction(trans, rc->extent_root);
+	else
+		btrfs_end_transaction(trans, rc->extent_root);
+	return err;
 }
 
-static int merge_reloc_roots(struct reloc_control *rc)
+static noinline_for_stack
+int merge_reloc_roots(struct reloc_control *rc)
 {
-	struct async_merge *async;
 	struct btrfs_root *root;
-	struct completion done;
-	atomic_t num_pending;
+	struct btrfs_root *reloc_root;
+	LIST_HEAD(reloc_roots);
+	int found = 0;
+	int ret;
+again:
+	root = rc->extent_root;
+	mutex_lock(&root->fs_info->trans_mutex);
+	list_splice_init(&rc->reloc_roots, &reloc_roots);
+	mutex_unlock(&root->fs_info->trans_mutex);
 
-	init_completion(&done);
-	atomic_set(&num_pending, 1);
+	while (!list_empty(&reloc_roots)) {
+		found = 1;
+		reloc_root = list_entry(reloc_roots.next,
+					struct btrfs_root, root_list);
 
-	while (!list_empty(&rc->reloc_roots)) {
-		root = list_entry(rc->reloc_roots.next,
-				  struct btrfs_root, root_list);
-		list_del_init(&root->root_list);
+		if (btrfs_root_refs(&reloc_root->root_item) > 0) {
+			root = read_fs_root(reloc_root->fs_info,
+					    reloc_root->root_key.offset);
+			BUG_ON(IS_ERR(root));
+			BUG_ON(root->reloc_root != reloc_root);
 
-		async = kmalloc(sizeof(*async), GFP_NOFS);
-		BUG_ON(!async);
-		async->work.func = merge_func;
-		async->work.flags = 0;
-		async->rc = rc;
-		async->root = root;
-		async->done = &done;
-		async->num_pending = &num_pending;
-		atomic_inc(&num_pending);
-		btrfs_queue_worker(&rc->workers, &async->work);
+			ret = merge_reloc_root(rc, root);
+			BUG_ON(ret);
+		} else {
+			list_del_init(&reloc_root->root_list);
+		}
+		btrfs_drop_snapshot(reloc_root, rc->block_rsv, 0);
 	}
 
-	if (!atomic_dec_and_test(&num_pending))
-		wait_for_completion(&done);
-
+	if (found) {
+		found = 0;
+		goto again;
+	}
 	BUG_ON(!RB_EMPTY_ROOT(&rc->reloc_root_tree.rb_root));
 	return 0;
 }
@@ -1876,119 +2258,169 @@ static int record_reloc_root_in_trans(struct btrfs_trans_handle *trans,
 	return btrfs_record_root_in_trans(trans, root);
 }
 
-/*
- * select one tree from trees that references the block.
- * for blocks in refernce counted trees, we preper reloc tree.
- * if no reloc tree found and reloc_only is true, NULL is returned.
- */
-static struct btrfs_root *__select_one_root(struct btrfs_trans_handle *trans,
-					    struct backref_node *node,
-					    struct backref_edge *edges[],
-					    int *nr, int reloc_only)
+static noinline_for_stack
+struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
+				     struct reloc_control *rc,
+				     struct backref_node *node,
+				     struct backref_edge *edges[], int *nr)
 {
 	struct backref_node *next;
 	struct btrfs_root *root;
-	int index;
-	int loop = 0;
-again:
-	index = 0;
+	int index = 0;
+
 	next = node;
 	while (1) {
 		cond_resched();
 		next = walk_up_backref(next, edges, &index);
 		root = next->root;
-		if (!root) {
-			BUG_ON(!node->old_root);
-			goto skip;
-		}
-
-		/* no other choice for non-refernce counted tree */
-		if (!root->ref_cows) {
-			BUG_ON(reloc_only);
-			break;
-		}
+		BUG_ON(!root);
+		BUG_ON(!root->ref_cows);
 
 		if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) {
 			record_reloc_root_in_trans(trans, root);
 			break;
 		}
 
-		if (loop) {
-			btrfs_record_root_in_trans(trans, root);
+		btrfs_record_root_in_trans(trans, root);
+		root = root->reloc_root;
+
+		if (next->new_bytenr != root->node->start) {
+			BUG_ON(next->new_bytenr);
+			BUG_ON(!list_empty(&next->list));
+			next->new_bytenr = root->node->start;
+			next->root = root;
+			list_add_tail(&next->list,
+				      &rc->backref_cache.changed);
+			__mark_block_processed(rc, next);
 			break;
 		}
 
-		if (reloc_only || next != node) {
-			if (!root->reloc_root)
-				btrfs_record_root_in_trans(trans, root);
-			root = root->reloc_root;
-			/*
-			 * if the reloc tree was created in current
-			 * transation, there is no node in backref tree
-			 * corresponds to the root of the reloc tree.
-			 */
-			if (btrfs_root_last_snapshot(&root->root_item) ==
-			    trans->transid - 1)
-				break;
-		}
-skip:
+		WARN_ON(1);
 		root = NULL;
 		next = walk_down_backref(edges, &index);
 		if (!next || next->level <= node->level)
 			break;
 	}
+	if (!root)
+		return NULL;
 
-	if (!root && !loop && !reloc_only) {
-		loop = 1;
-		goto again;
+	*nr = index;
+	next = node;
+	/* setup backref node path for btrfs_reloc_cow_block */
+	while (1) {
+		rc->backref_cache.path[next->level] = next;
+		if (--index < 0)
+			break;
+		next = edges[index]->node[UPPER];
 	}
-
-	if (root)
-		*nr = index;
-	else
-		*nr = 0;
-
 	return root;
 }
 
+/*
+ * select a tree root for relocation. return NULL if the block
+ * is reference counted. we should use do_relocation() in this
+ * case. return a tree root pointer if the block isn't reference
+ * counted. return -ENOENT if the block is root of reloc tree.
+ */
 static noinline_for_stack
 struct btrfs_root *select_one_root(struct btrfs_trans_handle *trans,
 				   struct backref_node *node)
 {
+	struct backref_node *next;
+	struct btrfs_root *root;
+	struct btrfs_root *fs_root = NULL;
 	struct backref_edge *edges[BTRFS_MAX_LEVEL - 1];
-	int nr;
-	return __select_one_root(trans, node, edges, &nr, 0);
+	int index = 0;
+
+	next = node;
+	while (1) {
+		cond_resched();
+		next = walk_up_backref(next, edges, &index);
+		root = next->root;
+		BUG_ON(!root);
+
+		/* no other choice for non-refernce counted tree */
+		if (!root->ref_cows)
+			return root;
+
+		if (root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID)
+			fs_root = root;
+
+		if (next != node)
+			return NULL;
+
+		next = walk_down_backref(edges, &index);
+		if (!next || next->level <= node->level)
+			break;
+	}
+
+	if (!fs_root)
+		return ERR_PTR(-ENOENT);
+	return fs_root;
 }
 
 static noinline_for_stack
-struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
-				     struct backref_node *node,
-				     struct backref_edge *edges[], int *nr)
+u64 calcu_metadata_size(struct reloc_control *rc,
+			struct backref_node *node, int reserve)
 {
-	return __select_one_root(trans, node, edges, nr, 1);
+	struct backref_node *next = node;
+	struct backref_edge *edge;
+	struct backref_edge *edges[BTRFS_MAX_LEVEL - 1];
+	u64 num_bytes = 0;
+	int index = 0;
+
+	BUG_ON(reserve && node->processed);
+
+	while (next) {
+		cond_resched();
+		while (1) {
+			if (next->processed && (reserve || next != node))
+				break;
+
+			num_bytes += btrfs_level_size(rc->extent_root,
+						      next->level);
+
+			if (list_empty(&next->upper))
+				break;
+
+			edge = list_entry(next->upper.next,
+					  struct backref_edge, list[LOWER]);
+			edges[index++] = edge;
+			next = edge->node[UPPER];
+		}
+		next = walk_down_backref(edges, &index);
+	}
+	return num_bytes;
 }
 
-static void grab_path_buffers(struct btrfs_path *path,
-			      struct backref_node *node,
-			      struct backref_edge *edges[], int nr)
+static int reserve_metadata_space(struct btrfs_trans_handle *trans,
+				  struct reloc_control *rc,
+				  struct backref_node *node)
 {
-	int i = 0;
-	while (1) {
-		drop_node_buffer(node);
-		node->eb = path->nodes[node->level];
-		BUG_ON(!node->eb);
-		if (path->locks[node->level])
-			node->locked = 1;
-		path->nodes[node->level] = NULL;
-		path->locks[node->level] = 0;
+	struct btrfs_root *root = rc->extent_root;
+	u64 num_bytes;
+	int ret;
 
-		if (i >= nr)
-			break;
+	num_bytes = calcu_metadata_size(rc, node, 1) * 2;
 
-		edges[i]->blockptr = node->eb->start;
-		node = edges[i]->node[UPPER];
-		i++;
+	trans->block_rsv = rc->block_rsv;
+	ret = btrfs_block_rsv_add(trans, root, rc->block_rsv, num_bytes,
+				  &rc->block_rsv_retries);
+	if (ret) {
+		if (ret == -EAGAIN)
+			rc->commit_transaction = 1;
+		return ret;
 	}
+
+	rc->block_rsv_retries = 0;
+	return 0;
+}
+
+static void release_metadata_space(struct reloc_control *rc,
+				   struct backref_node *node)
+{
+	u64 num_bytes = calcu_metadata_size(rc, node, 0) * 2;
+	btrfs_block_rsv_release(rc->extent_root, rc->block_rsv, num_bytes);
 }
 
 /*
@@ -1999,6 +2431,7 @@ static void grab_path_buffers(struct btrfs_path *path,
  * in that case this function just updates pointers.
  */
 static int do_relocation(struct btrfs_trans_handle *trans,
+			 struct reloc_control *rc,
 			 struct backref_node *node,
 			 struct btrfs_key *key,
 			 struct btrfs_path *path, int lowest)
@@ -2019,18 +2452,25 @@ static int do_relocation(struct btrfs_trans_handle *trans,
 	BUG_ON(lowest && node->eb);
 
 	path->lowest_level = node->level + 1;
+	rc->backref_cache.path[node->level] = node;
 	list_for_each_entry(edge, &node->upper, list[LOWER]) {
 		cond_resched();
-		if (node->eb && node->eb->start == edge->blockptr)
-			continue;
 
 		upper = edge->node[UPPER];
-		root = select_reloc_root(trans, upper, edges, &nr);
-		if (!root)
-			continue;
+		root = select_reloc_root(trans, rc, upper, edges, &nr);
+		BUG_ON(!root);
 
-		if (upper->eb && !upper->locked)
+		if (upper->eb && !upper->locked) {
+			if (!lowest) {
+				ret = btrfs_bin_search(upper->eb, key,
+						       upper->level, &slot);
+				BUG_ON(ret);
+				bytenr = btrfs_node_blockptr(upper->eb, slot);
+				if (node->eb->start == bytenr)
+					goto next;
+			}
 			drop_node_buffer(upper);
+		}
 
 		if (!upper->eb) {
 			ret = btrfs_search_slot(trans, root, key, path, 0, 1);
@@ -2040,11 +2480,17 @@ static int do_relocation(struct btrfs_trans_handle *trans,
 			}
 			BUG_ON(ret > 0);
 
+			if (!upper->eb) {
+				upper->eb = path->nodes[upper->level];
+				path->nodes[upper->level] = NULL;
+			} else {
+				BUG_ON(upper->eb != path->nodes[upper->level]);
+			}
+
+			upper->locked = 1;
+			path->locks[upper->level] = 0;
+
 			slot = path->slots[upper->level];
-
-			btrfs_unlock_up_safe(path, upper->level + 1);
-			grab_path_buffers(path, upper, edges, nr);
-
 			btrfs_release_path(NULL, path);
 		} else {
 			ret = btrfs_bin_search(upper->eb, key, upper->level,
@@ -2053,14 +2499,11 @@ static int do_relocation(struct btrfs_trans_handle *trans,
 		}
 
 		bytenr = btrfs_node_blockptr(upper->eb, slot);
-		if (!lowest) {
-			if (node->eb->start == bytenr) {
-				btrfs_tree_unlock(upper->eb);
-				upper->locked = 0;
-				continue;
-			}
+		if (lowest) {
+			BUG_ON(bytenr != node->bytenr);
 		} else {
-			BUG_ON(node->bytenr != bytenr);
+			if (node->eb->start == bytenr)
+				goto next;
 		}
 
 		blocksize = btrfs_level_size(root, node->level);
@@ -2072,13 +2515,13 @@ static int do_relocation(struct btrfs_trans_handle *trans,
 		if (!node->eb) {
 			ret = btrfs_cow_block(trans, root, eb, upper->eb,
 					      slot, &eb);
+			btrfs_tree_unlock(eb);
+			free_extent_buffer(eb);
 			if (ret < 0) {
 				err = ret;
-				break;
+				goto next;
 			}
-			btrfs_set_lock_blocking(eb);
-			node->eb = eb;
-			node->locked = 1;
+			BUG_ON(node->eb != eb);
 		} else {
 			btrfs_set_node_blockptr(upper->eb, slot,
 						node->eb->start);
@@ -2096,67 +2539,80 @@ static int do_relocation(struct btrfs_trans_handle *trans,
 			ret = btrfs_drop_subtree(trans, root, eb, upper->eb);
 			BUG_ON(ret);
 		}
-		if (!lowest) {
-			btrfs_tree_unlock(upper->eb);
-			upper->locked = 0;
-		}
+next:
+		if (!upper->pending)
+			drop_node_buffer(upper);
+		else
+			unlock_node_buffer(upper);
+		if (err)
+			break;
 	}
+
+	if (!err && node->pending) {
+		drop_node_buffer(node);
+		list_move_tail(&node->list, &rc->backref_cache.changed);
+		node->pending = 0;
+	}
+
 	path->lowest_level = 0;
+	BUG_ON(err == -ENOSPC);
 	return err;
 }
 
 static int link_to_upper(struct btrfs_trans_handle *trans,
+			 struct reloc_control *rc,
 			 struct backref_node *node,
 			 struct btrfs_path *path)
 {
 	struct btrfs_key key;
-	if (!node->eb || list_empty(&node->upper))
-		return 0;
 
 	btrfs_node_key_to_cpu(node->eb, &key, 0);
-	return do_relocation(trans, node, &key, path, 0);
+	return do_relocation(trans, rc, node, &key, path, 0);
 }
 
 static int finish_pending_nodes(struct btrfs_trans_handle *trans,
-				struct backref_cache *cache,
-				struct btrfs_path *path)
+				struct reloc_control *rc,
+				struct btrfs_path *path, int err)
 {
+	LIST_HEAD(list);
+	struct backref_cache *cache = &rc->backref_cache;
 	struct backref_node *node;
 	int level;
 	int ret;
-	int err = 0;
 
 	for (level = 0; level < BTRFS_MAX_LEVEL; level++) {
 		while (!list_empty(&cache->pending[level])) {
 			node = list_entry(cache->pending[level].next,
-					  struct backref_node, lower);
-			BUG_ON(node->level != level);
+					  struct backref_node, list);
+			list_move_tail(&node->list, &list);
+			BUG_ON(!node->pending);
 
-			ret = link_to_upper(trans, node, path);
-			if (ret < 0)
-				err = ret;
-			/*
-			 * this remove the node from the pending list and
-			 * may add some other nodes to the level + 1
-			 * pending list
-			 */
-			remove_backref_node(cache, node);
+			if (!err) {
+				ret = link_to_upper(trans, rc, node, path);
+				if (ret < 0)
+					err = ret;
+			}
 		}
+		list_splice_init(&list, &cache->pending[level]);
 	}
-	BUG_ON(!RB_EMPTY_ROOT(&cache->rb_root));
 	return err;
 }
 
 static void mark_block_processed(struct reloc_control *rc,
-				 struct backref_node *node)
+				 u64 bytenr, u32 blocksize)
+{
+	set_extent_bits(&rc->processed_blocks, bytenr, bytenr + blocksize - 1,
+			EXTENT_DIRTY, GFP_NOFS);
+}
+
+static void __mark_block_processed(struct reloc_control *rc,
+				   struct backref_node *node)
 {
 	u32 blocksize;
 	if (node->level == 0 ||
 	    in_block_group(node->bytenr, rc->block_group)) {
 		blocksize = btrfs_level_size(rc->extent_root, node->level);
-		set_extent_bits(&rc->processed_blocks, node->bytenr,
-				node->bytenr + blocksize - 1, EXTENT_DIRTY,
-				GFP_NOFS);
+		mark_block_processed(rc, node->bytenr, blocksize);
 	}
 	node->processed = 1;
 }
@@ -2179,7 +2635,7 @@ static void update_processed_blocks(struct reloc_control *rc,
 			if (next->processed)
 				break;
 
-			mark_block_processed(rc, next);
+			__mark_block_processed(rc, next);
 
 			if (list_empty(&next->upper))
 				break;
@@ -2202,138 +2658,6 @@ static int tree_block_processed(u64 bytenr, u32 blocksize,
 	return 0;
 }
 
-/*
- * check if there are any file extent pointers in the leaf point to
- * data require processing
- */
-static int check_file_extents(struct reloc_control *rc,
-			      u64 bytenr, u32 blocksize, u64 ptr_gen)
-{
-	struct btrfs_key found_key;
-	struct btrfs_file_extent_item *fi;
-	struct extent_buffer *leaf;
-	u32 nritems;
-	int i;
-	int ret = 0;
-
-	leaf = read_tree_block(rc->extent_root, bytenr, blocksize, ptr_gen);
-
-	nritems = btrfs_header_nritems(leaf);
-	for (i = 0; i < nritems; i++) {
-		cond_resched();
-		btrfs_item_key_to_cpu(leaf, &found_key, i);
-		if (found_key.type != BTRFS_EXTENT_DATA_KEY)
-			continue;
-		fi = btrfs_item_ptr(leaf, i, struct btrfs_file_extent_item);
-		if (btrfs_file_extent_type(leaf, fi) ==
-		    BTRFS_FILE_EXTENT_INLINE)
-			continue;
-		bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
-		if (bytenr == 0)
-			continue;
-		if (in_block_group(bytenr, rc->block_group)) {
-			ret = 1;
-			break;
-		}
-	}
-	free_extent_buffer(leaf);
-	return ret;
-}
-
-/*
- * scan child blocks of a given block to find blocks require processing
- */
-static int add_child_blocks(struct btrfs_trans_handle *trans,
-			    struct reloc_control *rc,
-			    struct backref_node *node,
-			    struct rb_root *blocks)
-{
-	struct tree_block *block;
-	struct rb_node *rb_node;
-	u64 bytenr;
-	u64 ptr_gen;
-	u32 blocksize;
-	u32 nritems;
-	int i;
-	int err = 0;
-
-	nritems = btrfs_header_nritems(node->eb);
-	blocksize = btrfs_level_size(rc->extent_root, node->level - 1);
-	for (i = 0; i < nritems; i++) {
-		cond_resched();
-		bytenr = btrfs_node_blockptr(node->eb, i);
-		ptr_gen = btrfs_node_ptr_generation(node->eb, i);
-		if (ptr_gen == trans->transid)
-			continue;
-		if (!in_block_group(bytenr, rc->block_group) &&
-		    (node->level > 1 || rc->stage == MOVE_DATA_EXTENTS))
-			continue;
-		if (tree_block_processed(bytenr, blocksize, rc))
-			continue;
-
-		readahead_tree_block(rc->extent_root,
-				     bytenr, blocksize, ptr_gen);
-	}
-
-	for (i = 0; i < nritems; i++) {
-		cond_resched();
-		bytenr = btrfs_node_blockptr(node->eb, i);
-		ptr_gen = btrfs_node_ptr_generation(node->eb, i);
-		if (ptr_gen == trans->transid)
-			continue;
-		if (!in_block_group(bytenr, rc->block_group) &&
-		    (node->level > 1 || rc->stage == MOVE_DATA_EXTENTS))
-			continue;
-		if (tree_block_processed(bytenr, blocksize, rc))
-			continue;
-		if (!in_block_group(bytenr, rc->block_group) &&
-		    !check_file_extents(rc, bytenr, blocksize, ptr_gen))
-			continue;
-
-		block = kmalloc(sizeof(*block), GFP_NOFS);
-		if (!block) {
-			err = -ENOMEM;
-			break;
-		}
-		block->bytenr = bytenr;
-		btrfs_node_key_to_cpu(node->eb, &block->key, i);
-		block->level = node->level - 1;
-		block->key_ready = 1;
-		rb_node = tree_insert(blocks, block->bytenr, &block->rb_node);
-		BUG_ON(rb_node);
-	}
-	if (err)
-		free_block_list(blocks);
-	return err;
-}
-
-/*
- * find adjacent blocks require processing
- */
-static noinline_for_stack
-int add_adjacent_blocks(struct btrfs_trans_handle *trans,
-			struct reloc_control *rc,
-			struct backref_cache *cache,
-			struct rb_root *blocks, int level,
-			struct backref_node **upper)
-{
-	struct backref_node *node;
-	int ret = 0;
-
-	WARN_ON(!list_empty(&cache->pending[level]));
-
-	if (list_empty(&cache->pending[level + 1]))
-		return 1;
-
-	node = list_entry(cache->pending[level + 1].next,
-			  struct backref_node, lower);
-	if (node->eb)
-		ret = add_child_blocks(trans, rc, node, blocks);
-
-	*upper = node;
-	return ret;
-}
-
 static int get_tree_block_key(struct reloc_control *rc,
 			      struct tree_block *block)
 {
@@ -2371,40 +2695,53 @@ static int relocate_tree_block(struct btrfs_trans_handle *trans,
 				struct btrfs_path *path)
 {
 	struct btrfs_root *root;
-	int ret;
+	int release = 0;
+	int ret = 0;
 
-	root = select_one_root(trans, node);
-	if (unlikely(!root)) {
-		rc->found_old_snapshot = 1;
-		update_processed_blocks(rc, node);
+	if (!node)
 		return 0;
+
+	BUG_ON(node->processed);
+	root = select_one_root(trans, node);
+	if (root == ERR_PTR(-ENOENT)) {
+		update_processed_blocks(rc, node);
+		goto out;
 	}
 
-	if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) {
-		ret = do_relocation(trans, node, key, path, 1);
-		if (ret < 0)
+	if (!root || root->ref_cows) {
+		ret = reserve_metadata_space(trans, rc, node);
+		if (ret)
 			goto out;
-		if (node->level == 0 && rc->stage == UPDATE_DATA_PTRS) {
-			ret = replace_file_extents(trans, rc, root,
-						   node->eb, NULL);
-			if (ret < 0)
-				goto out;
+		release = 1;
+	}
+
+	if (root) {
+		if (root->ref_cows) {
+			BUG_ON(node->new_bytenr);
+			BUG_ON(!list_empty(&node->list));
+			btrfs_record_root_in_trans(trans, root);
+			root = root->reloc_root;
+			node->new_bytenr = root->node->start;
+			node->root = root;
+			list_add_tail(&node->list, &rc->backref_cache.changed);
+		} else {
+			path->lowest_level = node->level;
+			ret = btrfs_search_slot(trans, root, key, path, 0, 1);
+			btrfs_release_path(root, path);
+			if (ret > 0)
+				ret = 0;
 		}
-		drop_node_buffer(node);
-	} else if (!root->ref_cows) {
-		path->lowest_level = node->level;
-		ret = btrfs_search_slot(trans, root, key, path, 0, 1);
-		btrfs_release_path(root, path);
-		if (ret < 0)
-			goto out;
-	} else if (root != node->root) {
-		WARN_ON(node->level > 0 || rc->stage != UPDATE_DATA_PTRS);
+		if (!ret)
+			update_processed_blocks(rc, node);
+	} else {
+		ret = do_relocation(trans, rc, node, key, path, 1);
 	}
-
-	update_processed_blocks(rc, node);
-	ret = 0;
 out:
-	drop_node_buffer(node);
+	if (ret || node->level == 0 || node->cowonly) {
+		if (release)
+			release_metadata_space(rc, node);
+		remove_backref_node(&rc->backref_cache, node);
+	}
 	return ret;
 }
 
@@ -2415,12 +2752,10 @@ static noinline_for_stack
 int relocate_tree_blocks(struct btrfs_trans_handle *trans,
 			 struct reloc_control *rc, struct rb_root *blocks)
 {
-	struct backref_cache *cache;
 	struct backref_node *node;
 	struct btrfs_path *path;
 	struct tree_block *block;
 	struct rb_node *rb_node;
-	int level = -1;
 	int ret;
 	int err = 0;
 
@@ -2428,21 +2763,9 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
 	if (!path)
 		return -ENOMEM;
 
-	cache = kmalloc(sizeof(*cache), GFP_NOFS);
-	if (!cache) {
-		btrfs_free_path(path);
-		return -ENOMEM;
-	}
-
-	backref_cache_init(cache);
-
 	rb_node = rb_first(blocks);
 	while (rb_node) {
 		block = rb_entry(rb_node, struct tree_block, rb_node);
-		if (level == -1)
-			level = block->level;
-		else
-			BUG_ON(level != block->level);
 		if (!block->key_ready)
 			reada_tree_block(rc, block);
 		rb_node = rb_next(rb_node);
@@ -2460,7 +2783,7 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
 	while (rb_node) {
 		block = rb_entry(rb_node, struct tree_block, rb_node);
 
-		node = build_backref_tree(rc, cache, &block->key,
+		node = build_backref_tree(rc, &block->key,
 					  block->level, block->bytenr);
 		if (IS_ERR(node)) {
 			err = PTR_ERR(node);
@@ -2470,77 +2793,16 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
 		ret = relocate_tree_block(trans, rc, node, &block->key,
 					  path);
 		if (ret < 0) {
-			err = ret;
+			if (ret != -EAGAIN || rb_node == rb_first(blocks))
+				err = ret;
 			goto out;
 		}
-		remove_backref_node(cache, node);
 		rb_node = rb_next(rb_node);
 	}
-
-	if (level > 0)
-		goto out;
-
-	free_block_list(blocks);
-
-	/*
-	 * now backrefs of some upper level tree blocks have been cached,
-	 * try relocating blocks referenced by these upper level blocks.
-	 */
-	while (1) {
-		struct backref_node *upper = NULL;
-		if (trans->transaction->in_commit ||
-		    trans->transaction->delayed_refs.flushing)
-			break;
-
-		ret = add_adjacent_blocks(trans, rc, cache, blocks, level,
-					  &upper);
-		if (ret < 0)
-			err = ret;
-		if (ret != 0)
-			break;
-
-		rb_node = rb_first(blocks);
-		while (rb_node) {
-			block = rb_entry(rb_node, struct tree_block, rb_node);
-			if (trans->transaction->in_commit ||
-			    trans->transaction->delayed_refs.flushing)
-				goto out;
-			BUG_ON(!block->key_ready);
-			node = build_backref_tree(rc, cache, &block->key,
-						  level, block->bytenr);
-			if (IS_ERR(node)) {
-				err = PTR_ERR(node);
-				goto out;
-			}
-
-			ret = relocate_tree_block(trans, rc, node,
-						  &block->key, path);
-			if (ret < 0) {
-				err = ret;
-				goto out;
-			}
-			remove_backref_node(cache, node);
-			rb_node = rb_next(rb_node);
-		}
-		free_block_list(blocks);
-
-		if (upper) {
-			ret = link_to_upper(trans, upper, path);
-			if (ret < 0) {
-				err = ret;
-				break;
-			}
-			remove_backref_node(cache, upper);
-		}
-	}
 out:
 	free_block_list(blocks);
+	err = finish_pending_nodes(trans, rc, path, err);
 
-	ret = finish_pending_nodes(trans, cache, path);
-	if (ret < 0)
-		err = ret;
-
-	kfree(cache);
 	btrfs_free_path(path);
 	return err;
 }
@@ -2910,9 +3172,6 @@ out:
 static int block_use_full_backref(struct reloc_control *rc,
 				  struct extent_buffer *eb)
 {
-	struct btrfs_path *path;
-	struct btrfs_extent_item *ei;
-	struct btrfs_key key;
 	u64 flags;
 	int ret;
 
@@ -2920,28 +3179,14 @@ static int block_use_full_backref(struct reloc_control *rc,
 	    btrfs_header_backref_rev(eb) < BTRFS_MIXED_BACKREF_REV)
 		return 1;
 
-	path = btrfs_alloc_path();
-	BUG_ON(!path);
-
-	key.objectid = eb->start;
-	key.type = BTRFS_EXTENT_ITEM_KEY;
-	key.offset = eb->len;
-
-	path->search_commit_root = 1;
-	path->skip_locking = 1;
-	ret = btrfs_search_slot(NULL, rc->extent_root,
-				&key, path, 0, 0);
+	ret = btrfs_lookup_extent_info(NULL, rc->extent_root,
+				       eb->start, eb->len, NULL, &flags);
 	BUG_ON(ret);
 
-	ei = btrfs_item_ptr(path->nodes[0], path->slots[0],
-			    struct btrfs_extent_item);
-	flags = btrfs_extent_flags(path->nodes[0], ei);
-	BUG_ON(!(flags & BTRFS_EXTENT_FLAG_TREE_BLOCK));
 	if (flags & BTRFS_BLOCK_FLAG_FULL_BACKREF)
 		ret = 1;
 	else
 		ret = 0;
-	btrfs_free_path(path);
 	return ret;
 }
 
@@ -3114,22 +3359,10 @@ int add_data_references(struct reloc_control *rc,
 	struct btrfs_extent_inline_ref *iref;
 	unsigned long ptr;
 	unsigned long end;
-	u32 blocksize;
+	u32 blocksize = btrfs_level_size(rc->extent_root, 0);
 	int ret;
 	int err = 0;
 
-	ret = get_new_location(rc->data_inode, NULL, extent_key->objectid,
-			       extent_key->offset);
-	BUG_ON(ret < 0);
-	if (ret > 0) {
-		/* the relocated data is fragmented */
-		rc->extents_skipped++;
-		btrfs_release_path(rc->extent_root, path);
-		return 0;
-	}
-
-	blocksize = btrfs_level_size(rc->extent_root, 0);
-
 	eb = path->nodes[0];
 	ptr = btrfs_item_ptr_offset(eb, path->slots[0]);
 	end = ptr + btrfs_item_size_nr(eb, path->slots[0]);
@@ -3210,7 +3443,8 @@ int add_data_references(struct reloc_control *rc,
  */
 static noinline_for_stack
 int find_next_extent(struct btrfs_trans_handle *trans,
-		     struct reloc_control *rc, struct btrfs_path *path)
+		     struct reloc_control *rc, struct btrfs_path *path,
+		     struct btrfs_key *extent_key)
 {
 	struct btrfs_key key;
 	struct extent_buffer *leaf;
@@ -3265,6 +3499,7 @@ next:
 			rc->search_start = end + 1;
 		} else {
 			rc->search_start = key.objectid + key.offset;
+			memcpy(extent_key, &key, sizeof(key));
 			return 0;
 		}
 	}
@@ -3302,12 +3537,49 @@ static int check_extent_flags(u64 flags)
 	return 0;
 }
 
+static noinline_for_stack
+int prepare_to_relocate(struct reloc_control *rc)
+{
+	struct btrfs_trans_handle *trans;
+	int ret;
+
+	rc->block_rsv = btrfs_alloc_block_rsv(rc->extent_root);
+	if (!rc->block_rsv)
+		return -ENOMEM;
+
+	/*
+	 * reserve some space for creating reloc trees.
+	 * btrfs_init_reloc_root will use them when there
+	 * is no reservation in transaction handle.
+	 */
+	ret = btrfs_block_rsv_add(NULL, rc->extent_root, rc->block_rsv,
+				  rc->extent_root->nodesize * 256,
+				  &rc->block_rsv_retries);
+	if (ret)
+		return ret;
+
+	rc->block_rsv->refill_used = 1;
+	btrfs_add_durable_block_rsv(rc->extent_root->fs_info, rc->block_rsv);
+
+	memset(&rc->cluster, 0, sizeof(rc->cluster));
+	rc->search_start = rc->block_group->key.objectid;
+	rc->extents_found = 0;
+	rc->nodes_relocated = 0;
+	rc->merging_rsv_size = 0;
+	rc->block_rsv_retries = 0;
+
+	rc->create_reloc_tree = 1;
+	set_reloc_control(rc);
+
+	trans = btrfs_join_transaction(rc->extent_root, 1);
+	btrfs_commit_transaction(trans, rc->extent_root);
+	return 0;
+}
 
 static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 {
 	struct rb_root blocks = RB_ROOT;
 	struct btrfs_key key;
-	struct file_extent_cluster *cluster;
 	struct btrfs_trans_handle *trans = NULL;
 	struct btrfs_path *path;
 	struct btrfs_extent_item *ei;
@@ -3317,33 +3589,25 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 	int ret;
 	int err = 0;
 
-	cluster = kzalloc(sizeof(*cluster), GFP_NOFS);
-	if (!cluster)
-		return -ENOMEM;
-
 	path = btrfs_alloc_path();
-	if (!path) {
-		kfree(cluster);
+	if (!path)
 		return -ENOMEM;
+
+	ret = prepare_to_relocate(rc);
+	if (ret) {
+		err = ret;
+		goto out_free;
 	}
 
-	rc->extents_found = 0;
-	rc->extents_skipped = 0;
-
-	rc->search_start = rc->block_group->key.objectid;
-	clear_extent_bits(&rc->processed_blocks, 0, (u64)-1, EXTENT_DIRTY,
-			  GFP_NOFS);
-
-	rc->create_reloc_root = 1;
-	set_reloc_control(rc);
-
-	trans = btrfs_join_transaction(rc->extent_root, 1);
-	btrfs_commit_transaction(trans, rc->extent_root);
-
 	while (1) {
 		trans = btrfs_start_transaction(rc->extent_root, 0);
 
-		ret = find_next_extent(trans, rc, path);
+		if (update_backref_cache(trans, &rc->backref_cache)) {
+			btrfs_end_transaction(trans, rc->extent_root);
+			continue;
+		}
+
+		ret = find_next_extent(trans, rc, path, &key);
 		if (ret < 0)
 			err = ret;
 		if (ret != 0)
@@ -3353,9 +3617,7 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 
 		ei = btrfs_item_ptr(path->nodes[0], path->slots[0],
 				    struct btrfs_extent_item);
-		btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
-		item_size = btrfs_item_size_nr(path->nodes[0],
-					       path->slots[0]);
+		item_size = btrfs_item_size_nr(path->nodes[0], path->slots[0]);
 		if (item_size >= sizeof(*ei)) {
 			flags = btrfs_extent_flags(path->nodes[0], ei);
 			ret = check_extent_flags(flags);
@@ -3396,73 +3658,100 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 		if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
 			ret = add_tree_block(rc, &key, path, &blocks);
 		} else if (rc->stage == UPDATE_DATA_PTRS &&
-			 (flags & BTRFS_EXTENT_FLAG_DATA)) {
+			   (flags & BTRFS_EXTENT_FLAG_DATA)) {
 			ret = add_data_references(rc, &key, path, &blocks);
 		} else {
 			btrfs_release_path(rc->extent_root, path);
 			ret = 0;
 		}
 		if (ret < 0) {
-			err = 0;
+			err = ret;
 			break;
 		}
 
 		if (!RB_EMPTY_ROOT(&blocks)) {
 			ret = relocate_tree_blocks(trans, rc, &blocks);
 			if (ret < 0) {
-				err = ret;
-				break;
+				if (ret != -EAGAIN) {
+					err = ret;
+					break;
+				}
+				rc->extents_found--;
+				rc->search_start = key.objectid;
 			}
 		}
 
-		nr = trans->blocks_used;
-		btrfs_end_transaction(trans, rc->extent_root);
+		ret = btrfs_block_rsv_check(trans, rc->extent_root,
+					    rc->block_rsv, 0, 5);
+		if (ret < 0) {
+			if (ret != -EAGAIN) {
+				err = ret;
+				WARN_ON(1);
+				break;
+			}
+			rc->commit_transaction = 1;
+		}
+
+		if (rc->commit_transaction) {
+			rc->commit_transaction = 0;
+			ret = btrfs_commit_transaction(trans, rc->extent_root);
+			BUG_ON(ret);
+		} else {
+			nr = trans->blocks_used;
+			btrfs_end_transaction_throttle(trans, rc->extent_root);
+			btrfs_btree_balance_dirty(rc->extent_root, nr);
+		}
 		trans = NULL;
-		btrfs_btree_balance_dirty(rc->extent_root, nr);
 
 		if (rc->stage == MOVE_DATA_EXTENTS &&
 		    (flags & BTRFS_EXTENT_FLAG_DATA)) {
 			rc->found_file_extent = 1;
 			ret = relocate_data_extent(rc->data_inode,
-						   &key, cluster);
+						   &key, &rc->cluster);
 			if (ret < 0) {
 				err = ret;
 				break;
 			}
 		}
 	}
-	btrfs_free_path(path);
+
+	btrfs_release_path(rc->extent_root, path);
+	clear_extent_bits(&rc->processed_blocks, 0, (u64)-1, EXTENT_DIRTY,
+			  GFP_NOFS);
 
 	if (trans) {
 		nr = trans->blocks_used;
-		btrfs_end_transaction(trans, rc->extent_root);
+		btrfs_end_transaction_throttle(trans, rc->extent_root);
 		btrfs_btree_balance_dirty(rc->extent_root, nr);
 	}
 
 	if (!err) {
-		ret = relocate_file_extent_cluster(rc->data_inode, cluster);
+		ret = relocate_file_extent_cluster(rc->data_inode,
+						   &rc->cluster);
 		if (ret < 0)
 			err = ret;
 	}
 
-	kfree(cluster);
+	rc->create_reloc_tree = 0;
+	set_reloc_control(rc);
 
-	rc->create_reloc_root = 0;
-	smp_mb();
+	backref_cache_cleanup(&rc->backref_cache);
+	btrfs_block_rsv_release(rc->extent_root, rc->block_rsv, (u64)-1);
 
-	if (rc->extents_found > 0) {
-		trans = btrfs_join_transaction(rc->extent_root, 1);
-		btrfs_commit_transaction(trans, rc->extent_root);
-	}
+	err = prepare_to_merge(rc, err);
 
 	merge_reloc_roots(rc);
 
+	rc->merge_reloc_tree = 0;
 	unset_reloc_control(rc);
+	btrfs_block_rsv_release(rc->extent_root, rc->block_rsv, (u64)-1);
 
 	/* get rid of pinned extents */
 	trans = btrfs_join_transaction(rc->extent_root, 1);
 	btrfs_commit_transaction(trans, rc->extent_root);
-
+out_free:
+	btrfs_free_block_rsv(rc->extent_root, rc->block_rsv);
+	btrfs_free_path(path);
 	return err;
 }
 
@@ -3488,7 +3777,8 @@ static int __insert_orphan_inode(struct btrfs_trans_handle *trans,
 	btrfs_set_inode_generation(leaf, item, 1);
 	btrfs_set_inode_size(leaf, item, 0);
 	btrfs_set_inode_mode(leaf, item, S_IFREG | 0600);
-	btrfs_set_inode_flags(leaf, item, BTRFS_INODE_NOCOMPRESS);
+	btrfs_set_inode_flags(leaf, item, BTRFS_INODE_NOCOMPRESS |
+					  BTRFS_INODE_PREALLOC);
 	btrfs_mark_buffer_dirty(leaf);
 	btrfs_release_path(root, path);
 out:
@@ -3500,8 +3790,9 @@ out:
  * helper to create inode for data relocation.
  * the inode is in data relocation tree and its link count is 0
  */
-static struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
-					struct btrfs_block_group_cache *group)
+static noinline_for_stack
+struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
+				 struct btrfs_block_group_cache *group)
 {
 	struct inode *inode = NULL;
 	struct btrfs_trans_handle *trans;
@@ -3516,7 +3807,8 @@ static struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
 		return ERR_CAST(root);
 
 	trans = btrfs_start_transaction(root, 6);
-	BUG_ON(!trans);
+	if (IS_ERR(trans))
+		return ERR_CAST(trans);
 
 	err = btrfs_find_free_objectid(trans, root, objectid, &objectid);
 	if (err)
@@ -3536,7 +3828,6 @@ static struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
 out:
 	nr = trans->blocks_used;
 	btrfs_end_transaction(trans, root);
-
 	btrfs_btree_balance_dirty(root, nr);
 	if (err) {
 		if (inode)
@@ -3546,6 +3837,21 @@ out:
 	return inode;
 }
 
+static struct reloc_control *alloc_reloc_control(void)
+{
+	struct reloc_control *rc;
+
+	rc = kzalloc(sizeof(*rc), GFP_NOFS);
+	if (!rc)
+		return NULL;
+
+	INIT_LIST_HEAD(&rc->reloc_roots);
+	backref_cache_init(&rc->backref_cache);
+	mapping_tree_init(&rc->reloc_root_tree);
+	extent_io_tree_init(&rc->processed_blocks, NULL, GFP_NOFS);
+	return rc;
+}
+
 /*
  * function to relocate all extents in a block group.
  */
@@ -3557,15 +3863,12 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
 	int rw = 0;
 	int err = 0;
 
-	rc = kzalloc(sizeof(*rc), GFP_NOFS);
+	rc = alloc_reloc_control();
 	if (!rc)
 		return -ENOMEM;
 
-	mapping_tree_init(&rc->reloc_root_tree);
-	extent_io_tree_init(&rc->processed_blocks, NULL, GFP_NOFS);
-	INIT_LIST_HEAD(&rc->reloc_roots);
-
 	rc->extent_root = extent_root;
+
 	rc->block_group = btrfs_lookup_block_group(fs_info, group_start);
 	BUG_ON(!rc->block_group);
 
@@ -3578,9 +3881,6 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
 		rw = 1;
 	}
 
-	btrfs_init_workers(&rc->workers, "relocate",
-			   fs_info->thread_pool_size, NULL);
-
 	rc->data_inode = create_reloc_inode(fs_info, rc->block_group);
 	if (IS_ERR(rc->data_inode)) {
 		err = PTR_ERR(rc->data_inode);
@@ -3596,9 +3896,6 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
 	btrfs_wait_ordered_extents(fs_info->tree_root, 0, 0);
 
 	while (1) {
-		rc->extents_found = 0;
-		rc->extents_skipped = 0;
-
 		mutex_lock(&fs_info->cleaner_mutex);
 
 		btrfs_clean_old_snapshots(fs_info->tree_root);
@@ -3607,7 +3904,7 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
 		mutex_unlock(&fs_info->cleaner_mutex);
 		if (ret < 0) {
 			err = ret;
-			break;
+			goto out;
 		}
 
 		if (rc->extents_found == 0)
@@ -3621,18 +3918,6 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
 			invalidate_mapping_pages(rc->data_inode->i_mapping,
 						 0, -1);
 			rc->stage = UPDATE_DATA_PTRS;
-		} else if (rc->stage == UPDATE_DATA_PTRS &&
-			   rc->extents_skipped >= rc->extents_found) {
-			iput(rc->data_inode);
-			rc->data_inode = create_reloc_inode(fs_info,
-							    rc->block_group);
-			if (IS_ERR(rc->data_inode)) {
-				err = PTR_ERR(rc->data_inode);
-				rc->data_inode = NULL;
-				break;
-			}
-			rc->stage = MOVE_DATA_EXTENTS;
-			rc->found_file_extent = 0;
 		}
 	}
 
@@ -3648,7 +3933,6 @@ out:
 	if (err && rw)
 		btrfs_set_block_group_rw(extent_root, rc->block_group);
 	iput(rc->data_inode);
-	btrfs_stop_workers(&rc->workers);
 	btrfs_put_block_group(rc->block_group);
 	kfree(rc);
 	return err;
@@ -3752,20 +4036,20 @@ int btrfs_recover_relocation(struct btrfs_root *root)
 	if (list_empty(&reloc_roots))
 		goto out;
 
-	rc = kzalloc(sizeof(*rc), GFP_NOFS);
+	rc = alloc_reloc_control();
 	if (!rc) {
 		err = -ENOMEM;
 		goto out;
 	}
 
-	mapping_tree_init(&rc->reloc_root_tree);
-	INIT_LIST_HEAD(&rc->reloc_roots);
-	btrfs_init_workers(&rc->workers, "relocate",
-			   root->fs_info->thread_pool_size, NULL);
 	rc->extent_root = root->fs_info->extent_root;
 
 	set_reloc_control(rc);
 
+	trans = btrfs_join_transaction(rc->extent_root, 1);
+
+	rc->merge_reloc_tree = 1;
+
 	while (!list_empty(&reloc_roots)) {
 		reloc_root = list_entry(reloc_roots.next,
 					struct btrfs_root, root_list);
@@ -3785,20 +4069,16 @@ int btrfs_recover_relocation(struct btrfs_root *root)
 		fs_root->reloc_root = reloc_root;
 	}
 
-	trans = btrfs_start_transaction(rc->extent_root, 1);
 	btrfs_commit_transaction(trans, rc->extent_root);
 
 	merge_reloc_roots(rc);
 
 	unset_reloc_control(rc);
 
-	trans = btrfs_start_transaction(rc->extent_root, 1);
+	trans = btrfs_join_transaction(rc->extent_root, 1);
 	btrfs_commit_transaction(trans, rc->extent_root);
 out:
-	if (rc) {
-		btrfs_stop_workers(&rc->workers);
-		kfree(rc);
-	}
+	kfree(rc);
 	while (!list_empty(&reloc_roots)) {
 		reloc_root = list_entry(reloc_roots.next,
 					struct btrfs_root, root_list);
@@ -3864,3 +4144,130 @@ int btrfs_reloc_clone_csums(struct inode *inode, u64 file_pos, u64 len)
 	btrfs_put_ordered_extent(ordered);
 	return 0;
 }
+
+void btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
+			   struct btrfs_root *root, struct extent_buffer *buf,
+			   struct extent_buffer *cow)
+{
+	struct reloc_control *rc;
+	struct backref_node *node;
+	int first_cow = 0;
+	int level;
+	int ret;
+
+	rc = root->fs_info->reloc_ctl;
+	if (!rc)
+		return;
+
+	BUG_ON(rc->stage == UPDATE_DATA_PTRS &&
+	       root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID);
+
+	level = btrfs_header_level(buf);
+	if (btrfs_header_generation(buf) <=
+	    btrfs_root_last_snapshot(&root->root_item))
+		first_cow = 1;
+
+	if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID &&
+	    rc->create_reloc_tree) {
+		WARN_ON(!first_cow && level == 0);
+
+		node = rc->backref_cache.path[level];
+		BUG_ON(node->bytenr != buf->start &&
+		       node->new_bytenr != buf->start);
+
+		drop_node_buffer(node);
+		extent_buffer_get(cow);
+		node->eb = cow;
+		node->new_bytenr = cow->start;
+
+		if (!node->pending) {
+			list_move_tail(&node->list,
+				       &rc->backref_cache.pending[level]);
+			node->pending = 1;
+		}
+
+		if (first_cow)
+			__mark_block_processed(rc, node);
+
+		if (first_cow && level > 0)
+			rc->nodes_relocated += buf->len;
+	}
+
+	if (level == 0 && first_cow && rc->stage == UPDATE_DATA_PTRS) {
+		ret = replace_file_extents(trans, rc, root, cow);
+		BUG_ON(ret);
+	}
+}
+
+/*
+ * called before creating snapshot. it calculates metadata reservation
+ * requried for relocating tree blocks in the snapshot
+ */
+void btrfs_reloc_pre_snapshot(struct btrfs_trans_handle *trans,
+			      struct btrfs_pending_snapshot *pending,
+			      u64 *bytes_to_reserve)
+{
+	struct btrfs_root *root;
+	struct reloc_control *rc;
+
+	root = pending->root;
+	if (!root->reloc_root)
+		return;
+
+	rc = root->fs_info->reloc_ctl;
+	if (!rc->merge_reloc_tree)
+		return;
+
+	root = root->reloc_root;
+	BUG_ON(btrfs_root_refs(&root->root_item) == 0);
+	/*
+	 * relocation is in the stage of merging trees. the space
+	 * used by merging a reloc tree is twice the size of
+	 * relocated tree nodes in the worst case. half for cowing
+	 * the reloc tree, half for cowing the fs tree. the space
+	 * used by cowing the reloc tree will be freed after the
+	 * tree is dropped. if we create snapshot, cowing the fs
+	 * tree may use more space than it frees. so we need
+	 * reserve extra space.
+	 */
+	*bytes_to_reserve += rc->nodes_relocated;
+}
+
+/*
+ * called after snapshot is created. migrate block reservation
+ * and create reloc root for the newly created snapshot
+ */
+void btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
+			       struct btrfs_pending_snapshot *pending)
+{
+	struct btrfs_root *root = pending->root;
+	struct btrfs_root *reloc_root;
+	struct btrfs_root *new_root;
+	struct reloc_control *rc;
+	int ret;
+
+	if (!root->reloc_root)
+		return;
+
+	rc = root->fs_info->reloc_ctl;
+	rc->merging_rsv_size += rc->nodes_relocated;
+
+	if (rc->merge_reloc_tree) {
+		ret = btrfs_block_rsv_migrate(&pending->block_rsv,
+					      rc->block_rsv,
+					      rc->nodes_relocated);
+		BUG_ON(ret);
+	}
+
+	new_root = pending->snap;
+	reloc_root = create_reloc_root(trans, root->reloc_root,
+				       new_root->root_key.objectid);
+
+	__add_reloc_root(reloc_root);
+	new_root->reloc_root = reloc_root;
+
+	if (rc->create_reloc_tree) {
+		ret = clone_backref_node(trans, rc, root, reloc_root);
+		BUG_ON(ret);
+	}
+}
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index cfe7f588ef0..c346d320173 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -853,6 +853,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 		goto fail;
 	}
 
+	btrfs_reloc_pre_snapshot(trans, pending, &to_reserve);
 	btrfs_orphan_pre_snapshot(trans, pending, &to_reserve);
 
 	if (to_reserve > 0) {
@@ -924,6 +925,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	pending->snap = btrfs_read_fs_root_no_name(root->fs_info, &key);
 	BUG_ON(IS_ERR(pending->snap));
 
+	btrfs_reloc_post_snapshot(trans, pending);
 	btrfs_orphan_post_snapshot(trans, pending);
 fail:
 	kfree(new_root_item);
@@ -1213,9 +1215,9 @@ int btrfs_clean_old_snapshots(struct btrfs_root *root)
 
 		if (btrfs_header_backref_rev(root->node) <
 		    BTRFS_MIXED_BACKREF_REV)
-			btrfs_drop_snapshot(root, 0);
+			btrfs_drop_snapshot(root, NULL, 0);
 		else
-			btrfs_drop_snapshot(root, 1);
+			btrfs_drop_snapshot(root, NULL, 1);
 	}
 	return 0;
 }

From 66f998f611897319b555364cefd5d6e88a205866 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Sun, 23 May 2010 11:00:54 -0400
Subject: [PATCH 2970/3638] fs: allow short direct-io reads to be completed via
 buffered IO

This is similar to what already happens in the write case.  If we have a short
read while doing O_DIRECT, instead of just returning, fallthrough and try to
read the rest via buffered IO.  BTRFS needs this because if we encounter a
compressed or inline extent during DIO, we need to fallback on buffered.  If the
extent is compressed we need to read the entire thing into memory and
de-compress it into the users pages.  I have tested this with fsx and everything
works great.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 mm/filemap.c | 36 +++++++++++++++++++++++++++++++-----
 1 file changed, 31 insertions(+), 5 deletions(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index 140ebda9640..829ac9cdbd7 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1263,7 +1263,7 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
 {
 	struct file *filp = iocb->ki_filp;
 	ssize_t retval;
-	unsigned long seg;
+	unsigned long seg = 0;
 	size_t count;
 	loff_t *ppos = &iocb->ki_pos;
 
@@ -1290,21 +1290,47 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
 				retval = mapping->a_ops->direct_IO(READ, iocb,
 							iov, pos, nr_segs);
 			}
-			if (retval > 0)
+			if (retval > 0) {
 				*ppos = pos + retval;
-			if (retval) {
+				count -= retval;
+			}
+
+			/*
+			 * Btrfs can have a short DIO read if we encounter
+			 * compressed extents, so if there was an error, or if
+			 * we've already read everything we wanted to, or if
+			 * there was a short read because we hit EOF, go ahead
+			 * and return.  Otherwise fallthrough to buffered io for
+			 * the rest of the read.
+			 */
+			if (retval < 0 || !count || *ppos >= size) {
 				file_accessed(filp);
 				goto out;
 			}
 		}
 	}
 
+	count = retval;
 	for (seg = 0; seg < nr_segs; seg++) {
 		read_descriptor_t desc;
+		loff_t offset = 0;
+
+		/*
+		 * If we did a short DIO read we need to skip the section of the
+		 * iov that we've already read data into.
+		 */
+		if (count) {
+			if (count > iov[seg].iov_len) {
+				count -= iov[seg].iov_len;
+				continue;
+			}
+			offset = count;
+			count = 0;
+		}
 
 		desc.written = 0;
-		desc.arg.buf = iov[seg].iov_base;
-		desc.count = iov[seg].iov_len;
+		desc.arg.buf = iov[seg].iov_base + offset;
+		desc.count = iov[seg].iov_len - offset;
 		if (desc.count == 0)
 			continue;
 		desc.error = 0;

From facd07b07d2a7988f5ce849558838cc953847637 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Sun, 23 May 2010 11:00:55 -0400
Subject: [PATCH 2971/3638] direct-io: add a hook for the fs to provide its own
 submit_bio function

Because BTRFS can do RAID and such, we need our own submit hook so we can setup
the bio's in the correct fashion, and handle checksum errors properly.  So there
are a few changes here

1) The submit_io hook.  This is straightforward, just call this instead of
submit_bio.

2) Allow the fs to return -ENOTBLK for reads.  Usually this has only worked for
writes, since writes can fallback onto buffered IO.  But BTRFS needs the option
of falling back on buffered IO if it encounters a compressed extent, since we
need to read the entire extent in and decompress it.  So if we get -ENOTBLK back
from get_block we'll return back and fallback on buffered just like the write
case.

I've tested these changes with fsx and everything seems to work.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/direct-io.c     | 42 +++++++++++++++++++++++++++++++++++++-----
 include/linux/fs.h | 11 ++++++++---
 2 files changed, 45 insertions(+), 8 deletions(-)

diff --git a/fs/direct-io.c b/fs/direct-io.c
index e82adc2debb..5949947b060 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -82,6 +82,8 @@ struct dio {
 	int reap_counter;		/* rate limit reaping */
 	get_block_t *get_block;		/* block mapping function */
 	dio_iodone_t *end_io;		/* IO completion function */
+	dio_submit_t *submit_io;	/* IO submition function */
+	loff_t logical_offset_in_bio;	/* current first logical block in bio */
 	sector_t final_block_in_bio;	/* current final block in bio + 1 */
 	sector_t next_block_for_io;	/* next block to be put under IO,
 					   in dio_blocks units */
@@ -96,6 +98,7 @@ struct dio {
 	unsigned cur_page_offset;	/* Offset into it, in bytes */
 	unsigned cur_page_len;		/* Nr of bytes at cur_page_offset */
 	sector_t cur_page_block;	/* Where it starts */
+	loff_t cur_page_fs_offset;	/* Offset in file */
 
 	/* BIO completion state */
 	spinlock_t bio_lock;		/* protects BIO fields below */
@@ -300,6 +303,26 @@ static void dio_bio_end_io(struct bio *bio, int error)
 	spin_unlock_irqrestore(&dio->bio_lock, flags);
 }
 
+/**
+ * dio_end_io - handle the end io action for the given bio
+ * @bio: The direct io bio thats being completed
+ * @error: Error if there was one
+ *
+ * This is meant to be called by any filesystem that uses their own dio_submit_t
+ * so that the DIO specific endio actions are dealt with after the filesystem
+ * has done it's completion work.
+ */
+void dio_end_io(struct bio *bio, int error)
+{
+	struct dio *dio = bio->bi_private;
+
+	if (dio->is_async)
+		dio_bio_end_aio(bio, error);
+	else
+		dio_bio_end_io(bio, error);
+}
+EXPORT_SYMBOL_GPL(dio_end_io);
+
 static int
 dio_bio_alloc(struct dio *dio, struct block_device *bdev,
 		sector_t first_sector, int nr_vecs)
@@ -316,6 +339,7 @@ dio_bio_alloc(struct dio *dio, struct block_device *bdev,
 		bio->bi_end_io = dio_bio_end_io;
 
 	dio->bio = bio;
+	dio->logical_offset_in_bio = dio->cur_page_fs_offset;
 	return 0;
 }
 
@@ -340,10 +364,15 @@ static void dio_bio_submit(struct dio *dio)
 	if (dio->is_async && dio->rw == READ)
 		bio_set_pages_dirty(bio);
 
-	submit_bio(dio->rw, bio);
+	if (dio->submit_io)
+		dio->submit_io(dio->rw, bio, dio->inode,
+			       dio->logical_offset_in_bio);
+	else
+		submit_bio(dio->rw, bio);
 
 	dio->bio = NULL;
 	dio->boundary = 0;
+	dio->logical_offset_in_bio = 0;
 }
 
 /*
@@ -701,6 +730,7 @@ submit_page_section(struct dio *dio, struct page *page,
 	dio->cur_page_offset = offset;
 	dio->cur_page_len = len;
 	dio->cur_page_block = blocknr;
+	dio->cur_page_fs_offset = dio->block_in_file << dio->blkbits;
 out:
 	return ret;
 }
@@ -935,7 +965,7 @@ static ssize_t
 direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode, 
 	const struct iovec *iov, loff_t offset, unsigned long nr_segs, 
 	unsigned blkbits, get_block_t get_block, dio_iodone_t end_io,
-	struct dio *dio)
+	dio_submit_t submit_io, struct dio *dio)
 {
 	unsigned long user_addr; 
 	unsigned long flags;
@@ -952,6 +982,7 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode,
 
 	dio->get_block = get_block;
 	dio->end_io = end_io;
+	dio->submit_io = submit_io;
 	dio->final_block_in_bio = -1;
 	dio->next_block_for_io = -1;
 
@@ -1008,7 +1039,7 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode,
 		}
 	} /* end iovec loop */
 
-	if (ret == -ENOTBLK && (rw & WRITE)) {
+	if (ret == -ENOTBLK) {
 		/*
 		 * The remaining part of the request will be
 		 * be handled by buffered I/O when we return
@@ -1110,7 +1141,7 @@ ssize_t
 __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 	struct block_device *bdev, const struct iovec *iov, loff_t offset, 
 	unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
-	int flags)
+	dio_submit_t submit_io,	int flags)
 {
 	int seg;
 	size_t size;
@@ -1197,7 +1228,8 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 		(end > i_size_read(inode)));
 
 	retval = direct_io_worker(rw, iocb, inode, iov, offset,
-				nr_segs, blkbits, get_block, end_io, dio);
+				nr_segs, blkbits, get_block, end_io,
+				submit_io, dio);
 
 	/*
 	 * In case of error extending write may have instantiated a few
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 44f35aea2f1..10704f0086c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2250,10 +2250,15 @@ static inline int xip_truncate_page(struct address_space *mapping, loff_t from)
 #endif
 
 #ifdef CONFIG_BLOCK
+struct bio;
+typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode,
+			    loff_t file_offset);
+void dio_end_io(struct bio *bio, int error);
+
 ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 	struct block_device *bdev, const struct iovec *iov, loff_t offset,
 	unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
-	int lock_type);
+	dio_submit_t submit_io,	int lock_type);
 
 enum {
 	/* need locking between buffered and direct access */
@@ -2269,7 +2274,7 @@ static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
 	dio_iodone_t end_io)
 {
 	return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
-				    nr_segs, get_block, end_io,
+				    nr_segs, get_block, end_io, NULL,
 				    DIO_LOCKING | DIO_SKIP_HOLES);
 }
 
@@ -2279,7 +2284,7 @@ static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb,
 	dio_iodone_t end_io)
 {
 	return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
-				nr_segs, get_block, end_io, 0);
+				    nr_segs, get_block, end_io, NULL, 0);
 }
 #endif
 

From c2c6ca417e2db7a519e6e92c82f4a933d940d076 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Sun, 23 May 2010 11:00:55 -0400
Subject: [PATCH 2972/3638] direct-io: do not merge logically non-contiguous
 requests

Btrfs cannot handle having logically non-contiguous requests submitted.  For
example if you have

Logical:  [0-4095][HOLE][8192-12287]
Physical: [0-4095]      [4096-8191]

Normally the DIO code would put these into the same BIO's.  The problem is we
need to know exactly what offset is associated with what BIO so we can do our
checksumming and unlocking properly, so putting them in the same BIO doesn't
work.  So add another check where we submit the current BIO if the physical
blocks are not contigous OR the logical blocks are not contiguous.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/direct-io.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/fs/direct-io.c b/fs/direct-io.c
index 5949947b060..da111aacb46 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -632,10 +632,26 @@ static int dio_send_cur_page(struct dio *dio)
 	int ret = 0;
 
 	if (dio->bio) {
+		loff_t cur_offset = dio->block_in_file << dio->blkbits;
+		loff_t bio_next_offset = dio->logical_offset_in_bio +
+			dio->bio->bi_size;
+
 		/*
-		 * See whether this new request is contiguous with the old
+		 * See whether this new request is contiguous with the old.
+		 *
+		 * Btrfs cannot handl having logically non-contiguous requests
+		 * submitted.  For exmple if you have
+		 *
+		 * Logical:  [0-4095][HOLE][8192-12287]
+		 * Phyiscal: [0-4095]      [4096-8181]
+		 *
+		 * We cannot submit those pages together as one BIO.  So if our
+		 * current logical offset in the file does not equal what would
+		 * be the next logical offset in the bio, submit the bio we
+		 * have.
 		 */
-		if (dio->final_block_in_bio != dio->cur_page_block)
+		if (dio->final_block_in_bio != dio->cur_page_block ||
+		    cur_offset != bio_next_offset)
 			dio_bio_submit(dio);
 		/*
 		 * Submit now if the underlying fs is about to perform a

From 4b46fce23349bfca781a32e2707a18328ca5ae22 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Sun, 23 May 2010 11:00:55 -0400
Subject: [PATCH 2973/3638] Btrfs: add basic DIO read/write support

This provides basic DIO support for reading and writing.  It does not do the
work to recover from mismatching checksums, that will come later.  A few design
changes have been made from Jim's code (sorry Jim!)

1) Use the generic direct-io code.  Jim originally re-wrote all the generic DIO
code in order to account for all of BTRFS's oddities, but thanks to that work it
seems like the best bet is to just ignore compression and such and just opt to
fallback on buffered IO.

2) Fallback on buffered IO for compressed or inline extents.  Jim's code did
it's own buffering to make dio with compressed extents work.  Now we just
fallback onto normal buffered IO.

3) Use ordered extents for the writes so that all of the

lock_extent()
lookup_ordered()

type checks continue to work.

4) Do the lock_extent() lookup_ordered() loop in readpage so we don't race with
DIO writes.

I've tested this with fsx and everything works great.  This patch depends on my
dio and filemap.c patches to work.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.h        |   2 +
 fs/btrfs/file-item.c    |  25 ++-
 fs/btrfs/file.c         |  69 +++++-
 fs/btrfs/inode.c        | 487 ++++++++++++++++++++++++++++++++++++++--
 fs/btrfs/ordered-data.c |  75 ++++++-
 fs/btrfs/ordered-data.h |   9 +-
 6 files changed, 631 insertions(+), 36 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 5ed0223d1cb..e9bf86415e8 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2317,6 +2317,8 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
 		    struct btrfs_root *root, u64 bytenr, u64 len);
 int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode,
 			  struct bio *bio, u32 *dst);
+int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode,
+			      struct bio *bio, u64 logical_offset, u32 *dst);
 int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root,
 			     u64 objectid, u64 pos,
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 21aead39a76..a562a250ae7 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -149,13 +149,14 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
 }
 
 
-int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode,
-			  struct bio *bio, u32 *dst)
+static int __btrfs_lookup_bio_sums(struct btrfs_root *root,
+				   struct inode *inode, struct bio *bio,
+				   u64 logical_offset, u32 *dst, int dio)
 {
 	u32 sum;
 	struct bio_vec *bvec = bio->bi_io_vec;
 	int bio_index = 0;
-	u64 offset;
+	u64 offset = 0;
 	u64 item_start_offset = 0;
 	u64 item_last_offset = 0;
 	u64 disk_bytenr;
@@ -174,8 +175,11 @@ int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode,
 	WARN_ON(bio->bi_vcnt <= 0);
 
 	disk_bytenr = (u64)bio->bi_sector << 9;
+	if (dio)
+		offset = logical_offset;
 	while (bio_index < bio->bi_vcnt) {
-		offset = page_offset(bvec->bv_page) + bvec->bv_offset;
+		if (!dio)
+			offset = page_offset(bvec->bv_page) + bvec->bv_offset;
 		ret = btrfs_find_ordered_sum(inode, offset, disk_bytenr, &sum);
 		if (ret == 0)
 			goto found;
@@ -238,6 +242,7 @@ found:
 		else
 			set_state_private(io_tree, offset, sum);
 		disk_bytenr += bvec->bv_len;
+		offset += bvec->bv_len;
 		bio_index++;
 		bvec++;
 	}
@@ -245,6 +250,18 @@ found:
 	return 0;
 }
 
+int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode,
+			  struct bio *bio, u32 *dst)
+{
+	return __btrfs_lookup_bio_sums(root, inode, bio, 0, dst, 0);
+}
+
+int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode,
+			      struct bio *bio, u64 offset, u32 *dst)
+{
+	return __btrfs_lookup_bio_sums(root, inode, bio, offset, dst, 1);
+}
+
 int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
 			     struct list_head *list)
 {
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 6d8f817eadb..a28810abfb9 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -822,6 +822,47 @@ again:
 	return 0;
 }
 
+/* Copied from read-write.c */
+static void wait_on_retry_sync_kiocb(struct kiocb *iocb)
+{
+	set_current_state(TASK_UNINTERRUPTIBLE);
+	if (!kiocbIsKicked(iocb))
+		schedule();
+	else
+		kiocbClearKicked(iocb);
+	__set_current_state(TASK_RUNNING);
+}
+
+/*
+ * Just a copy of what do_sync_write does.
+ */
+static ssize_t __btrfs_direct_write(struct file *file, const char __user *buf,
+				    size_t count, loff_t pos, loff_t *ppos)
+{
+	struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = count };
+	unsigned long nr_segs = 1;
+	struct kiocb kiocb;
+	ssize_t ret;
+
+	init_sync_kiocb(&kiocb, file);
+	kiocb.ki_pos = pos;
+	kiocb.ki_left = count;
+	kiocb.ki_nbytes = count;
+
+	while (1) {
+		ret = generic_file_direct_write(&kiocb, &iov, &nr_segs, pos,
+						ppos, count, count);
+		if (ret != -EIOCBRETRY)
+			break;
+		wait_on_retry_sync_kiocb(&kiocb);
+	}
+
+	if (ret == -EIOCBQUEUED)
+		ret = wait_on_sync_kiocb(&kiocb);
+	*ppos = kiocb.ki_pos;
+	return ret;
+}
+
 static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 				size_t count, loff_t *ppos)
 {
@@ -838,12 +879,11 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 	unsigned long first_index;
 	unsigned long last_index;
 	int will_write;
+	int buffered = 0;
 
 	will_write = ((file->f_flags & O_DSYNC) || IS_SYNC(inode) ||
 		      (file->f_flags & O_DIRECT));
 
-	nrptrs = min((count + PAGE_CACHE_SIZE - 1) / PAGE_CACHE_SIZE,
-		     PAGE_CACHE_SIZE / (sizeof(struct page *)));
 	pinned[0] = NULL;
 	pinned[1] = NULL;
 
@@ -867,13 +907,34 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 		goto out;
 
 	file_update_time(file);
+	BTRFS_I(inode)->sequence++;
 
+	if (unlikely(file->f_flags & O_DIRECT)) {
+		num_written = __btrfs_direct_write(file, buf, count, pos,
+						   ppos);
+		pos += num_written;
+		count -= num_written;
+
+		/* We've written everything we wanted to, exit */
+		if (num_written < 0 || !count)
+			goto out;
+
+		/*
+		 * We are going to do buffered for the rest of the range, so we
+		 * need to make sure to invalidate the buffered pages when we're
+		 * done.
+		 */
+		buffered = 1;
+		buf += num_written;
+	}
+
+	nrptrs = min((count + PAGE_CACHE_SIZE - 1) / PAGE_CACHE_SIZE,
+		     PAGE_CACHE_SIZE / (sizeof(struct page *)));
 	pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL);
 
 	/* generic_write_checks can change our pos */
 	start_pos = pos;
 
-	BTRFS_I(inode)->sequence++;
 	first_index = pos >> PAGE_CACHE_SHIFT;
 	last_index = (pos + count) >> PAGE_CACHE_SHIFT;
 
@@ -1007,7 +1068,7 @@ out:
 				btrfs_end_transaction(trans, root);
 			}
 		}
-		if (file->f_flags & O_DIRECT) {
+		if (file->f_flags & O_DIRECT && buffered) {
 			invalidate_mapping_pages(inode->i_mapping,
 			      start_pos >> PAGE_CACHE_SHIFT,
 			     (start_pos + num_written - 1) >> PAGE_CACHE_SHIFT);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 460dd512eeb..1695440a59a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -698,6 +698,38 @@ retry:
 	return 0;
 }
 
+static u64 get_extent_allocation_hint(struct inode *inode, u64 start,
+				      u64 num_bytes)
+{
+	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
+	struct extent_map *em;
+	u64 alloc_hint = 0;
+
+	read_lock(&em_tree->lock);
+	em = search_extent_mapping(em_tree, start, num_bytes);
+	if (em) {
+		/*
+		 * if block start isn't an actual block number then find the
+		 * first block in this inode and use that as a hint.  If that
+		 * block is also bogus then just don't worry about it.
+		 */
+		if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
+			free_extent_map(em);
+			em = search_extent_mapping(em_tree, 0, 0);
+			if (em && em->block_start < EXTENT_MAP_LAST_BYTE)
+				alloc_hint = em->block_start;
+			if (em)
+				free_extent_map(em);
+		} else {
+			alloc_hint = em->block_start;
+			free_extent_map(em);
+		}
+	}
+	read_unlock(&em_tree->lock);
+
+	return alloc_hint;
+}
+
 /*
  * when extent_io.c finds a delayed allocation range in the file,
  * the call backs end up in this code.  The basic idea is to
@@ -770,29 +802,7 @@ static noinline int cow_file_range(struct inode *inode,
 	BUG_ON(disk_num_bytes >
 	       btrfs_super_total_bytes(&root->fs_info->super_copy));
 
-
-	read_lock(&BTRFS_I(inode)->extent_tree.lock);
-	em = search_extent_mapping(&BTRFS_I(inode)->extent_tree,
-				   start, num_bytes);
-	if (em) {
-		/*
-		 * if block start isn't an actual block number then find the
-		 * first block in this inode and use that as a hint.  If that
-		 * block is also bogus then just don't worry about it.
-		 */
-		if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
-			free_extent_map(em);
-			em = search_extent_mapping(em_tree, 0, 0);
-			if (em && em->block_start < EXTENT_MAP_LAST_BYTE)
-				alloc_hint = em->block_start;
-			if (em)
-				free_extent_map(em);
-		} else {
-			alloc_hint = em->block_start;
-			free_extent_map(em);
-		}
-	}
-	read_unlock(&BTRFS_I(inode)->extent_tree.lock);
+	alloc_hint = get_extent_allocation_hint(inode, start, num_bytes);
 	btrfs_drop_extent_cache(inode, start, start + num_bytes - 1, 0);
 
 	while (disk_num_bytes > 0) {
@@ -5171,11 +5181,440 @@ out:
 	return em;
 }
 
+static struct extent_map *btrfs_new_extent_direct(struct inode *inode,
+						  u64 start, u64 len)
+{
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_trans_handle *trans;
+	struct extent_map *em;
+	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
+	struct btrfs_key ins;
+	u64 alloc_hint;
+	int ret;
+
+	btrfs_drop_extent_cache(inode, start, start + len - 1, 0);
+
+	trans = btrfs_join_transaction(root, 0);
+	if (!trans)
+		return ERR_PTR(-ENOMEM);
+
+	trans->block_rsv = &root->fs_info->delalloc_block_rsv;
+
+	alloc_hint = get_extent_allocation_hint(inode, start, len);
+	ret = btrfs_reserve_extent(trans, root, len, root->sectorsize, 0,
+				   alloc_hint, (u64)-1, &ins, 1);
+	if (ret) {
+		em = ERR_PTR(ret);
+		goto out;
+	}
+
+	em = alloc_extent_map(GFP_NOFS);
+	if (!em) {
+		em = ERR_PTR(-ENOMEM);
+		goto out;
+	}
+
+	em->start = start;
+	em->orig_start = em->start;
+	em->len = ins.offset;
+
+	em->block_start = ins.objectid;
+	em->block_len = ins.offset;
+	em->bdev = root->fs_info->fs_devices->latest_bdev;
+	set_bit(EXTENT_FLAG_PINNED, &em->flags);
+
+	while (1) {
+		write_lock(&em_tree->lock);
+		ret = add_extent_mapping(em_tree, em);
+		write_unlock(&em_tree->lock);
+		if (ret != -EEXIST)
+			break;
+		btrfs_drop_extent_cache(inode, start, start + em->len - 1, 0);
+	}
+
+	ret = btrfs_add_ordered_extent_dio(inode, start, ins.objectid,
+					   ins.offset, ins.offset, 0);
+	if (ret) {
+		btrfs_free_reserved_extent(root, ins.objectid, ins.offset);
+		em = ERR_PTR(ret);
+	}
+out:
+	btrfs_end_transaction(trans, root);
+	return em;
+}
+
+static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
+				   struct buffer_head *bh_result, int create)
+{
+	struct extent_map *em;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	u64 start = iblock << inode->i_blkbits;
+	u64 len = bh_result->b_size;
+
+	em = btrfs_get_extent(inode, NULL, 0, start, len, 0);
+	if (IS_ERR(em))
+		return PTR_ERR(em);
+
+	/*
+	 * Ok for INLINE and COMPRESSED extents we need to fallback on buffered
+	 * io.  INLINE is special, and we could probably kludge it in here, but
+	 * it's still buffered so for safety lets just fall back to the generic
+	 * buffered path.
+	 *
+	 * For COMPRESSED we _have_ to read the entire extent in so we can
+	 * decompress it, so there will be buffering required no matter what we
+	 * do, so go ahead and fallback to buffered.
+	 *
+	 * We return -ENOTBLK because thats what makes DIO go ahead and go back
+	 * to buffered IO.  Don't blame me, this is the price we pay for using
+	 * the generic code.
+	 */
+	if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags) ||
+	    em->block_start == EXTENT_MAP_INLINE) {
+		free_extent_map(em);
+		return -ENOTBLK;
+	}
+
+	/* Just a good old fashioned hole, return */
+	if (!create && (em->block_start == EXTENT_MAP_HOLE ||
+			test_bit(EXTENT_FLAG_PREALLOC, &em->flags))) {
+		free_extent_map(em);
+		/* DIO will do one hole at a time, so just unlock a sector */
+		unlock_extent(&BTRFS_I(inode)->io_tree, start,
+			      start + root->sectorsize - 1, GFP_NOFS);
+		return 0;
+	}
+
+	/*
+	 * We don't allocate a new extent in the following cases
+	 *
+	 * 1) The inode is marked as NODATACOW.  In this case we'll just use the
+	 * existing extent.
+	 * 2) The extent is marked as PREALLOC.  We're good to go here and can
+	 * just use the extent.
+	 *
+	 */
+	if (!create)
+		goto map;
+
+	if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags) ||
+	    ((BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) &&
+	     em->block_start != EXTENT_MAP_HOLE)) {
+		u64 block_start;
+		int type;
+		int ret;
+
+		if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
+			type = BTRFS_ORDERED_PREALLOC;
+		else
+			type = BTRFS_ORDERED_NOCOW;
+		len = min(len, em->block_len - (start - em->start));
+		block_start = em->block_start + (start - em->start);
+		ret = btrfs_add_ordered_extent_dio(inode, start,
+						   start, len, len, type);
+		if (ret) {
+			free_extent_map(em);
+			return ret;
+		}
+	} else {
+		free_extent_map(em);
+		em = btrfs_new_extent_direct(inode, start, len);
+		if (IS_ERR(em))
+			return PTR_ERR(em);
+		len = min(len, em->block_len);
+	}
+	unlock_extent(&BTRFS_I(inode)->io_tree, start, start + len - 1,
+		      GFP_NOFS);
+map:
+	bh_result->b_blocknr = (em->block_start + (start - em->start)) >>
+		inode->i_blkbits;
+	bh_result->b_size = em->len - (start - em->start);
+	bh_result->b_bdev = em->bdev;
+	set_buffer_mapped(bh_result);
+	if (create && !test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
+		set_buffer_new(bh_result);
+
+	free_extent_map(em);
+
+	return 0;
+}
+
+struct btrfs_dio_private {
+	struct inode *inode;
+	u64 logical_offset;
+	u64 disk_bytenr;
+	u64 bytes;
+	u32 *csums;
+	void *private;
+};
+
+static void btrfs_endio_direct_read(struct bio *bio, int err)
+{
+	struct bio_vec *bvec_end = bio->bi_io_vec + bio->bi_vcnt - 1;
+	struct bio_vec *bvec = bio->bi_io_vec;
+	struct btrfs_dio_private *dip = bio->bi_private;
+	struct inode *inode = dip->inode;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	u64 start;
+	u32 *private = dip->csums;
+
+	start = dip->logical_offset;
+	do {
+		if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) {
+			struct page *page = bvec->bv_page;
+			char *kaddr;
+			u32 csum = ~(u32)0;
+			unsigned long flags;
+
+			local_irq_save(flags);
+			kaddr = kmap_atomic(page, KM_IRQ0);
+			csum = btrfs_csum_data(root, kaddr + bvec->bv_offset,
+					       csum, bvec->bv_len);
+			btrfs_csum_final(csum, (char *)&csum);
+			kunmap_atomic(kaddr, KM_IRQ0);
+			local_irq_restore(flags);
+
+			flush_dcache_page(bvec->bv_page);
+			if (csum != *private) {
+				printk(KERN_ERR "btrfs csum failed ino %lu off"
+				      " %llu csum %u private %u\n",
+				      inode->i_ino, (unsigned long long)start,
+				      csum, *private);
+				err = -EIO;
+			}
+		}
+
+		start += bvec->bv_len;
+		private++;
+		bvec++;
+	} while (bvec <= bvec_end);
+
+	unlock_extent(&BTRFS_I(inode)->io_tree, dip->logical_offset,
+		      dip->logical_offset + dip->bytes - 1, GFP_NOFS);
+	bio->bi_private = dip->private;
+
+	kfree(dip->csums);
+	kfree(dip);
+	dio_end_io(bio, err);
+}
+
+static void btrfs_endio_direct_write(struct bio *bio, int err)
+{
+	struct btrfs_dio_private *dip = bio->bi_private;
+	struct inode *inode = dip->inode;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_trans_handle *trans;
+	struct btrfs_ordered_extent *ordered = NULL;
+	struct extent_state *cached_state = NULL;
+	int ret;
+
+	if (err)
+		goto out_done;
+
+	ret = btrfs_dec_test_ordered_pending(inode, &ordered,
+					     dip->logical_offset, dip->bytes);
+	if (!ret)
+		goto out_done;
+
+	BUG_ON(!ordered);
+
+	trans = btrfs_join_transaction(root, 1);
+	if (!trans) {
+		err = -ENOMEM;
+		goto out;
+	}
+	trans->block_rsv = &root->fs_info->delalloc_block_rsv;
+
+	if (test_bit(BTRFS_ORDERED_NOCOW, &ordered->flags)) {
+		ret = btrfs_ordered_update_i_size(inode, 0, ordered);
+		if (!ret)
+			ret = btrfs_update_inode(trans, root, inode);
+		err = ret;
+		goto out;
+	}
+
+	lock_extent_bits(&BTRFS_I(inode)->io_tree, ordered->file_offset,
+			 ordered->file_offset + ordered->len - 1, 0,
+			 &cached_state, GFP_NOFS);
+
+	if (test_bit(BTRFS_ORDERED_PREALLOC, &ordered->flags)) {
+		ret = btrfs_mark_extent_written(trans, inode,
+						ordered->file_offset,
+						ordered->file_offset +
+						ordered->len);
+		if (ret) {
+			err = ret;
+			goto out_unlock;
+		}
+	} else {
+		ret = insert_reserved_file_extent(trans, inode,
+						  ordered->file_offset,
+						  ordered->start,
+						  ordered->disk_len,
+						  ordered->len,
+						  ordered->len,
+						  0, 0, 0,
+						  BTRFS_FILE_EXTENT_REG);
+		unpin_extent_cache(&BTRFS_I(inode)->extent_tree,
+				   ordered->file_offset, ordered->len);
+		if (ret) {
+			err = ret;
+			WARN_ON(1);
+			goto out_unlock;
+		}
+	}
+
+	add_pending_csums(trans, inode, ordered->file_offset, &ordered->list);
+	btrfs_ordered_update_i_size(inode, 0, ordered);
+	btrfs_update_inode(trans, root, inode);
+out_unlock:
+	unlock_extent_cached(&BTRFS_I(inode)->io_tree, ordered->file_offset,
+			     ordered->file_offset + ordered->len - 1,
+			     &cached_state, GFP_NOFS);
+out:
+	btrfs_delalloc_release_metadata(inode, ordered->len);
+	btrfs_end_transaction(trans, root);
+	btrfs_put_ordered_extent(ordered);
+	btrfs_put_ordered_extent(ordered);
+out_done:
+	bio->bi_private = dip->private;
+
+	kfree(dip->csums);
+	kfree(dip);
+	dio_end_io(bio, err);
+}
+
+static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
+				loff_t file_offset)
+{
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_dio_private *dip;
+	struct bio_vec *bvec = bio->bi_io_vec;
+	u64 start;
+	int skip_sum;
+	int write = rw & (1 << BIO_RW);
+	int ret = 0;
+
+	skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
+
+	dip = kmalloc(sizeof(*dip), GFP_NOFS);
+	if (!dip) {
+		ret = -ENOMEM;
+		goto free_ordered;
+	}
+	dip->csums = NULL;
+
+	if (!skip_sum) {
+		dip->csums = kmalloc(sizeof(u32) * bio->bi_vcnt, GFP_NOFS);
+		if (!dip->csums) {
+			ret = -ENOMEM;
+			goto free_ordered;
+		}
+	}
+
+	dip->private = bio->bi_private;
+	dip->inode = inode;
+	dip->logical_offset = file_offset;
+
+	start = dip->logical_offset;
+	dip->bytes = 0;
+	do {
+		dip->bytes += bvec->bv_len;
+		bvec++;
+	} while (bvec <= (bio->bi_io_vec + bio->bi_vcnt - 1));
+
+	dip->disk_bytenr = bio->bi_sector << 9;
+	bio->bi_private = dip;
+
+	if (write)
+		bio->bi_end_io = btrfs_endio_direct_write;
+	else
+		bio->bi_end_io = btrfs_endio_direct_read;
+
+	ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0);
+	if (ret)
+		goto out_err;
+
+	if (write && !skip_sum)
+		btrfs_csum_one_bio(root, inode, bio, dip->logical_offset, 1);
+	else if (!skip_sum)
+		btrfs_lookup_bio_sums_dio(root, inode, bio,
+					  dip->logical_offset, dip->csums);
+
+	ret = btrfs_map_bio(root, rw, bio, 0, 0);
+	if (ret)
+		goto out_err;
+	return;
+out_err:
+	kfree(dip->csums);
+	kfree(dip);
+free_ordered:
+	/*
+	 * If this is a write, we need to clean up the reserved space and kill
+	 * the ordered extent.
+	 */
+	if (write) {
+		struct btrfs_ordered_extent *ordered;
+		ordered = btrfs_lookup_ordered_extent(inode,
+						      dip->logical_offset);
+		if (!test_bit(BTRFS_ORDERED_PREALLOC, &ordered->flags) &&
+		    !test_bit(BTRFS_ORDERED_NOCOW, &ordered->flags))
+			btrfs_free_reserved_extent(root, ordered->start,
+						   ordered->disk_len);
+		btrfs_put_ordered_extent(ordered);
+		btrfs_put_ordered_extent(ordered);
+	}
+	bio_endio(bio, ret);
+}
+
 static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
 			const struct iovec *iov, loff_t offset,
 			unsigned long nr_segs)
 {
-	return -EINVAL;
+	struct file *file = iocb->ki_filp;
+	struct inode *inode = file->f_mapping->host;
+	struct btrfs_ordered_extent *ordered;
+	u64 lockstart, lockend;
+	ssize_t ret;
+
+	lockstart = offset;
+	lockend = offset + iov_length(iov, nr_segs) - 1;
+	while (1) {
+		lock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,
+			    GFP_NOFS);
+		/*
+		 * We're concerned with the entire range that we're going to be
+		 * doing DIO to, so we need to make sure theres no ordered
+		 * extents in this range.
+		 */
+		ordered = btrfs_lookup_ordered_range(inode, lockstart,
+						     lockend - lockstart + 1);
+		if (!ordered)
+			break;
+		unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,
+			      GFP_NOFS);
+		btrfs_start_ordered_extent(inode, ordered, 1);
+		btrfs_put_ordered_extent(ordered);
+		cond_resched();
+	}
+
+	ret = __blockdev_direct_IO(rw, iocb, inode, NULL, iov, offset, nr_segs,
+				   btrfs_get_blocks_direct, NULL,
+				   btrfs_submit_direct, 0);
+
+	if (ret < 0 && ret != -EIOCBQUEUED) {
+		unlock_extent(&BTRFS_I(inode)->io_tree, offset,
+			      offset + iov_length(iov, nr_segs) - 1, GFP_NOFS);
+	} else if (ret >= 0 && ret < iov_length(iov, nr_segs)) {
+		/*
+		 * We're falling back to buffered, unlock the section we didn't
+		 * do IO on.
+		 */
+		unlock_extent(&BTRFS_I(inode)->io_tree, offset + ret,
+			      offset + iov_length(iov, nr_segs) - 1, GFP_NOFS);
+	}
+
+	return ret;
 }
 
 static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index c9f1020572f..e56c72bc5ad 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -124,6 +124,15 @@ static int offset_in_entry(struct btrfs_ordered_extent *entry, u64 file_offset)
 	return 1;
 }
 
+static int range_overlaps(struct btrfs_ordered_extent *entry, u64 file_offset,
+			  u64 len)
+{
+	if (file_offset + len <= entry->file_offset ||
+	    entry->file_offset + entry->len <= file_offset)
+		return 0;
+	return 1;
+}
+
 /*
  * look find the first ordered struct that has this offset, otherwise
  * the first one less than this offset
@@ -161,8 +170,9 @@ static inline struct rb_node *tree_search(struct btrfs_ordered_inode_tree *tree,
  * The tree is given a single reference on the ordered extent that was
  * inserted.
  */
-int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
-			     u64 start, u64 len, u64 disk_len, int type)
+static int __btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
+				      u64 start, u64 len, u64 disk_len,
+				      int type, int dio)
 {
 	struct btrfs_ordered_inode_tree *tree;
 	struct rb_node *node;
@@ -182,6 +192,9 @@ int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
 	if (type != BTRFS_ORDERED_IO_DONE && type != BTRFS_ORDERED_COMPLETE)
 		set_bit(type, &entry->flags);
 
+	if (dio)
+		set_bit(BTRFS_ORDERED_DIRECT, &entry->flags);
+
 	/* one ref for the tree */
 	atomic_set(&entry->refs, 1);
 	init_waitqueue_head(&entry->wait);
@@ -203,6 +216,20 @@ int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
 	return 0;
 }
 
+int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
+			     u64 start, u64 len, u64 disk_len, int type)
+{
+	return __btrfs_add_ordered_extent(inode, file_offset, start, len,
+					  disk_len, type, 0);
+}
+
+int btrfs_add_ordered_extent_dio(struct inode *inode, u64 file_offset,
+				 u64 start, u64 len, u64 disk_len, int type)
+{
+	return __btrfs_add_ordered_extent(inode, file_offset, start, len,
+					  disk_len, type, 1);
+}
+
 /*
  * Add a struct btrfs_ordered_sum into the list of checksums to be inserted
  * when an ordered extent is finished.  If the list covers more than one
@@ -484,7 +511,8 @@ void btrfs_start_ordered_extent(struct inode *inode,
 	 * start IO on any dirty ones so the wait doesn't stall waiting
 	 * for pdflush to find them
 	 */
-	filemap_fdatawrite_range(inode->i_mapping, start, end);
+	if (!test_bit(BTRFS_ORDERED_DIRECT, &entry->flags))
+		filemap_fdatawrite_range(inode->i_mapping, start, end);
 	if (wait) {
 		wait_event(entry->wait, test_bit(BTRFS_ORDERED_COMPLETE,
 						 &entry->flags));
@@ -581,6 +609,47 @@ out:
 	return entry;
 }
 
+/* Since the DIO code tries to lock a wide area we need to look for any ordered
+ * extents that exist in the range, rather than just the start of the range.
+ */
+struct btrfs_ordered_extent *btrfs_lookup_ordered_range(struct inode *inode,
+							u64 file_offset,
+							u64 len)
+{
+	struct btrfs_ordered_inode_tree *tree;
+	struct rb_node *node;
+	struct btrfs_ordered_extent *entry = NULL;
+
+	tree = &BTRFS_I(inode)->ordered_tree;
+	spin_lock(&tree->lock);
+	node = tree_search(tree, file_offset);
+	if (!node) {
+		node = tree_search(tree, file_offset + len);
+		if (!node)
+			goto out;
+	}
+
+	while (1) {
+		entry = rb_entry(node, struct btrfs_ordered_extent, rb_node);
+		if (range_overlaps(entry, file_offset, len))
+			break;
+
+		if (entry->file_offset >= file_offset + len) {
+			entry = NULL;
+			break;
+		}
+		entry = NULL;
+		node = rb_next(node);
+		if (!node)
+			break;
+	}
+out:
+	if (entry)
+		atomic_inc(&entry->refs);
+	spin_unlock(&tree->lock);
+	return entry;
+}
+
 /*
  * lookup and return any extent before 'file_offset'.  NULL is returned
  * if none is found
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index c82f76a9f04..8ac365492a3 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -72,6 +72,8 @@ struct btrfs_ordered_sum {
 
 #define BTRFS_ORDERED_PREALLOC 4 /* set when writing to prealloced extent */
 
+#define BTRFS_ORDERED_DIRECT 5 /* set when we're doing DIO with this extent */
+
 struct btrfs_ordered_extent {
 	/* logical offset in the file */
 	u64 file_offset;
@@ -140,7 +142,9 @@ int btrfs_dec_test_ordered_pending(struct inode *inode,
 				   struct btrfs_ordered_extent **cached,
 				   u64 file_offset, u64 io_size);
 int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
-			     u64 start, u64 len, u64 disk_len, int tyep);
+			     u64 start, u64 len, u64 disk_len, int type);
+int btrfs_add_ordered_extent_dio(struct inode *inode, u64 file_offset,
+				 u64 start, u64 len, u64 disk_len, int type);
 int btrfs_add_ordered_sum(struct inode *inode,
 			  struct btrfs_ordered_extent *entry,
 			  struct btrfs_ordered_sum *sum);
@@ -151,6 +155,9 @@ void btrfs_start_ordered_extent(struct inode *inode,
 int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len);
 struct btrfs_ordered_extent *
 btrfs_lookup_first_ordered_extent(struct inode * inode, u64 file_offset);
+struct btrfs_ordered_extent *btrfs_lookup_ordered_range(struct inode *inode,
+							u64 file_offset,
+							u64 len);
 int btrfs_ordered_update_i_size(struct inode *inode, u64 offset,
 				struct btrfs_ordered_extent *ordered);
 int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr, u32 *sum);

From 11c65dccf70be9ace5dbd3906778e1a099b1fee1 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Sun, 23 May 2010 11:07:21 -0400
Subject: [PATCH 2974/3638] Btrfs: do aio_write instead of write

In order for AIO to work, we need to implement aio_write.  This patch converts
our btrfs_file_write to btrfs_aio_write.  I've tested this with xfstests and
nothing broke, and the AIO stuff magically started working.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent_io.c |  11 ++-
 fs/btrfs/file.c      | 178 +++++++++++++++++++++++--------------------
 2 files changed, 105 insertions(+), 84 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 1a57c17d402..a53aca338c7 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2017,6 +2017,7 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
 	sector_t sector;
 	struct extent_map *em;
 	struct block_device *bdev;
+	struct btrfs_ordered_extent *ordered;
 	int ret;
 	int nr = 0;
 	size_t page_offset = 0;
@@ -2028,7 +2029,15 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
 	set_page_extent_mapped(page);
 
 	end = page_end;
-	lock_extent(tree, start, end, GFP_NOFS);
+	while (1) {
+		lock_extent(tree, start, end, GFP_NOFS);
+		ordered = btrfs_lookup_ordered_extent(inode, start);
+		if (!ordered)
+			break;
+		unlock_extent(tree, start, end, GFP_NOFS);
+		btrfs_start_ordered_extent(inode, ordered, 1);
+		btrfs_put_ordered_extent(ordered);
+	}
 
 	if (page->index == last_byte >> PAGE_CACHE_SHIFT) {
 		char *userpage;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index a28810abfb9..233aea2e5ef 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -46,32 +46,42 @@
 static noinline int btrfs_copy_from_user(loff_t pos, int num_pages,
 					 int write_bytes,
 					 struct page **prepared_pages,
-					 const char __user *buf)
+					 struct iov_iter *i)
 {
-	long page_fault = 0;
-	int i;
+	size_t copied;
+	int pg = 0;
 	int offset = pos & (PAGE_CACHE_SIZE - 1);
 
-	for (i = 0; i < num_pages && write_bytes > 0; i++, offset = 0) {
+	while (write_bytes > 0) {
 		size_t count = min_t(size_t,
 				     PAGE_CACHE_SIZE - offset, write_bytes);
-		struct page *page = prepared_pages[i];
-		fault_in_pages_readable(buf, count);
+		struct page *page = prepared_pages[pg];
+again:
+		if (unlikely(iov_iter_fault_in_readable(i, count)))
+			return -EFAULT;
 
 		/* Copy data from userspace to the current page */
-		kmap(page);
-		page_fault = __copy_from_user(page_address(page) + offset,
-					      buf, count);
+		copied = iov_iter_copy_from_user(page, i, offset, count);
+
 		/* Flush processor's dcache for this page */
 		flush_dcache_page(page);
-		kunmap(page);
-		buf += count;
-		write_bytes -= count;
+		iov_iter_advance(i, copied);
+		write_bytes -= copied;
 
-		if (page_fault)
-			break;
+		if (unlikely(copied == 0)) {
+			count = min_t(size_t, PAGE_CACHE_SIZE - offset,
+				      iov_iter_single_seg_count(i));
+			goto again;
+		}
+
+		if (unlikely(copied < PAGE_CACHE_SIZE - offset)) {
+			offset += copied;
+		} else {
+			pg++;
+			offset = 0;
+		}
 	}
-	return page_fault ? -EFAULT : 0;
+	return 0;
 }
 
 /*
@@ -822,60 +832,24 @@ again:
 	return 0;
 }
 
-/* Copied from read-write.c */
-static void wait_on_retry_sync_kiocb(struct kiocb *iocb)
+static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
+				    const struct iovec *iov,
+				    unsigned long nr_segs, loff_t pos)
 {
-	set_current_state(TASK_UNINTERRUPTIBLE);
-	if (!kiocbIsKicked(iocb))
-		schedule();
-	else
-		kiocbClearKicked(iocb);
-	__set_current_state(TASK_RUNNING);
-}
-
-/*
- * Just a copy of what do_sync_write does.
- */
-static ssize_t __btrfs_direct_write(struct file *file, const char __user *buf,
-				    size_t count, loff_t pos, loff_t *ppos)
-{
-	struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = count };
-	unsigned long nr_segs = 1;
-	struct kiocb kiocb;
-	ssize_t ret;
-
-	init_sync_kiocb(&kiocb, file);
-	kiocb.ki_pos = pos;
-	kiocb.ki_left = count;
-	kiocb.ki_nbytes = count;
-
-	while (1) {
-		ret = generic_file_direct_write(&kiocb, &iov, &nr_segs, pos,
-						ppos, count, count);
-		if (ret != -EIOCBRETRY)
-			break;
-		wait_on_retry_sync_kiocb(&kiocb);
-	}
-
-	if (ret == -EIOCBQUEUED)
-		ret = wait_on_sync_kiocb(&kiocb);
-	*ppos = kiocb.ki_pos;
-	return ret;
-}
-
-static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
-				size_t count, loff_t *ppos)
-{
-	loff_t pos;
+	struct file *file = iocb->ki_filp;
+	struct inode *inode = fdentry(file)->d_inode;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct page *pinned[2];
+	struct page **pages = NULL;
+	struct iov_iter i;
+	loff_t *ppos = &iocb->ki_pos;
 	loff_t start_pos;
 	ssize_t num_written = 0;
 	ssize_t err = 0;
+	size_t count;
+	size_t ocount;
 	int ret = 0;
-	struct inode *inode = fdentry(file)->d_inode;
-	struct btrfs_root *root = BTRFS_I(inode)->root;
-	struct page **pages = NULL;
 	int nrptrs;
-	struct page *pinned[2];
 	unsigned long first_index;
 	unsigned long last_index;
 	int will_write;
@@ -887,13 +861,17 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 	pinned[0] = NULL;
 	pinned[1] = NULL;
 
-	pos = *ppos;
 	start_pos = pos;
 
 	vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE);
 
 	mutex_lock(&inode->i_mutex);
 
+	err = generic_segment_checks(iov, &nr_segs, &ocount, VERIFY_READ);
+	if (err)
+		goto out;
+	count = ocount;
+
 	current->backing_dev_info = inode->i_mapping->backing_dev_info;
 	err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
 	if (err)
@@ -910,33 +888,69 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 	BTRFS_I(inode)->sequence++;
 
 	if (unlikely(file->f_flags & O_DIRECT)) {
-		num_written = __btrfs_direct_write(file, buf, count, pos,
-						   ppos);
-		pos += num_written;
-		count -= num_written;
-
-		/* We've written everything we wanted to, exit */
-		if (num_written < 0 || !count)
+		ret = btrfs_delalloc_reserve_space(inode, count);
+		if (ret)
 			goto out;
 
+		num_written = generic_file_direct_write(iocb, iov, &nr_segs,
+							pos, ppos, count,
+							ocount);
+
+		/*
+		 * the generic O_DIRECT will update in-memory i_size after the
+		 * DIOs are done.  But our endio handlers that update the on
+		 * disk i_size never update past the in memory i_size.  So we
+		 * need one more update here to catch any additions to the
+		 * file
+		 */
+		if (inode->i_size != BTRFS_I(inode)->disk_i_size) {
+			btrfs_ordered_update_i_size(inode, inode->i_size, NULL);
+			mark_inode_dirty(inode);
+		}
+
+		if (num_written < 0) {
+			if (num_written != -EIOCBQUEUED) {
+				/*
+				 * aio land will take care of releasing the
+				 * delalloc
+				 */
+				btrfs_delalloc_release_space(inode, count);
+			}
+			ret = num_written;
+			num_written = 0;
+			goto out;
+		} else if (num_written == count) {
+			/* pick up pos changes done by the generic code */
+			pos = *ppos;
+			goto out;
+		}
+
+		/*
+		 * the buffered IO will reserve bytes for the rest of the
+		 * range, don't double count them here
+		 */
+		btrfs_delalloc_release_space(inode, count - num_written);
+
 		/*
 		 * We are going to do buffered for the rest of the range, so we
 		 * need to make sure to invalidate the buffered pages when we're
 		 * done.
 		 */
 		buffered = 1;
-		buf += num_written;
+		pos += num_written;
 	}
 
-	nrptrs = min((count + PAGE_CACHE_SIZE - 1) / PAGE_CACHE_SIZE,
-		     PAGE_CACHE_SIZE / (sizeof(struct page *)));
+	iov_iter_init(&i, iov, nr_segs, count, num_written);
+	nrptrs = min((iov_iter_count(&i) + PAGE_CACHE_SIZE - 1) /
+		     PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
+		     (sizeof(struct page *)));
 	pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL);
 
 	/* generic_write_checks can change our pos */
 	start_pos = pos;
 
 	first_index = pos >> PAGE_CACHE_SHIFT;
-	last_index = (pos + count) >> PAGE_CACHE_SHIFT;
+	last_index = (pos + iov_iter_count(&i)) >> PAGE_CACHE_SHIFT;
 
 	/*
 	 * there are lots of better ways to do this, but this code
@@ -953,7 +967,7 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 			unlock_page(pinned[0]);
 		}
 	}
-	if ((pos + count) & (PAGE_CACHE_SIZE - 1)) {
+	if ((pos + iov_iter_count(&i)) & (PAGE_CACHE_SIZE - 1)) {
 		pinned[1] = grab_cache_page(inode->i_mapping, last_index);
 		if (!PageUptodate(pinned[1])) {
 			ret = btrfs_readpage(NULL, pinned[1]);
@@ -964,10 +978,10 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 		}
 	}
 
-	while (count > 0) {
+	while (iov_iter_count(&i) > 0) {
 		size_t offset = pos & (PAGE_CACHE_SIZE - 1);
-		size_t write_bytes = min(count, nrptrs *
-					(size_t)PAGE_CACHE_SIZE -
+		size_t write_bytes = min(iov_iter_count(&i),
+					 nrptrs * (size_t)PAGE_CACHE_SIZE -
 					 offset);
 		size_t num_pages = (write_bytes + PAGE_CACHE_SIZE - 1) >>
 					PAGE_CACHE_SHIFT;
@@ -988,7 +1002,7 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 		}
 
 		ret = btrfs_copy_from_user(pos, num_pages,
-					   write_bytes, pages, buf);
+					   write_bytes, pages, &i);
 		if (ret == 0) {
 			dirty_and_release_pages(NULL, root, file, pages,
 						num_pages, pos, write_bytes);
@@ -1012,8 +1026,6 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 			btrfs_throttle(root);
 		}
 
-		buf += write_bytes;
-		count -= write_bytes;
 		pos += write_bytes;
 		num_written += write_bytes;
 
@@ -1206,7 +1218,7 @@ const struct file_operations btrfs_file_operations = {
 	.read		= do_sync_read,
 	.aio_read       = generic_file_aio_read,
 	.splice_read	= generic_file_splice_read,
-	.write		= btrfs_file_write,
+	.aio_write	= btrfs_file_aio_write,
 	.mmap		= btrfs_file_mmap,
 	.open		= generic_file_open,
 	.release	= btrfs_release_file,

From ed3b3d314cd2f16fac42676839854a68cab2e22b Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 25 May 2010 10:12:41 -0400
Subject: [PATCH 2975/3638] Btrfs: don't walk around with task->state !=
 TASK_RUNNING

Yan Zheng noticed two places we were doing a lot of work
without task->state set to TASK_RUNNING.  This sets the state
properly after we get ready to sleep but decide not to.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/async-thread.c | 1 +
 fs/btrfs/transaction.c  | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index 462859a3014..7ec14097fef 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -377,6 +377,7 @@ again:
 				if (!list_empty(&worker->pending) ||
 				    !list_empty(&worker->prio_pending)) {
 					spin_unlock_irq(&worker->lock);
+					set_current_state(TASK_RUNNING);
 					goto again;
 				}
 
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index c346d320173..66e4c66cc63 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1063,9 +1063,6 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 			snap_pending = 1;
 
 		WARN_ON(cur_trans != trans->transaction);
-		prepare_to_wait(&cur_trans->writer_wait, &wait,
-				TASK_UNINTERRUPTIBLE);
-
 		if (cur_trans->num_writers > 1)
 			timeout = MAX_SCHEDULE_TIMEOUT;
 		else if (should_grow)
@@ -1088,6 +1085,9 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 		 */
 		btrfs_run_ordered_operations(root, 1);
 
+		prepare_to_wait(&cur_trans->writer_wait, &wait,
+				TASK_UNINTERRUPTIBLE);
+
 		smp_mb();
 		if (cur_trans->num_writers > 1 || should_grow)
 			schedule_timeout(timeout);

From eaf25d933e64c2bf3c79b83e8820404f36fdfc52 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 25 May 2010 09:48:28 -0400
Subject: [PATCH 2976/3638] Btrfs: use async helpers for DIO write checksumming

The async helper threads offload crc work onto all the
CPUs, and make streaming writes much faster.  This
changes the O_DIRECT write code to use them.  The only
small complication was that we need to pass in the
logical offset in the file for each bio, because we can't
find it in the bio's pages.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/disk-io.c   | 23 ++++++++++++++++++-----
 fs/btrfs/disk-io.h   |  2 +-
 fs/btrfs/extent_io.c |  2 +-
 fs/btrfs/extent_io.h |  2 +-
 fs/btrfs/inode.c     | 40 +++++++++++++++++++++++++++++++---------
 5 files changed, 52 insertions(+), 17 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index a8772b5a9cb..f3b287c22ca 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -74,6 +74,11 @@ struct async_submit_bio {
 	int rw;
 	int mirror_num;
 	unsigned long bio_flags;
+	/*
+	 * bio_offset is optional, can be used if the pages in the bio
+	 * can't tell us where in the file the bio should go
+	 */
+	u64 bio_offset;
 	struct btrfs_work work;
 };
 
@@ -534,7 +539,8 @@ static void run_one_async_start(struct btrfs_work *work)
 	async = container_of(work, struct  async_submit_bio, work);
 	fs_info = BTRFS_I(async->inode)->root->fs_info;
 	async->submit_bio_start(async->inode, async->rw, async->bio,
-			       async->mirror_num, async->bio_flags);
+			       async->mirror_num, async->bio_flags,
+			       async->bio_offset);
 }
 
 static void run_one_async_done(struct btrfs_work *work)
@@ -556,7 +562,8 @@ static void run_one_async_done(struct btrfs_work *work)
 		wake_up(&fs_info->async_submit_wait);
 
 	async->submit_bio_done(async->inode, async->rw, async->bio,
-			       async->mirror_num, async->bio_flags);
+			       async->mirror_num, async->bio_flags,
+			       async->bio_offset);
 }
 
 static void run_one_async_free(struct btrfs_work *work)
@@ -570,6 +577,7 @@ static void run_one_async_free(struct btrfs_work *work)
 int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
 			int rw, struct bio *bio, int mirror_num,
 			unsigned long bio_flags,
+			u64 bio_offset,
 			extent_submit_bio_hook_t *submit_bio_start,
 			extent_submit_bio_hook_t *submit_bio_done)
 {
@@ -592,6 +600,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
 
 	async->work.flags = 0;
 	async->bio_flags = bio_flags;
+	async->bio_offset = bio_offset;
 
 	atomic_inc(&fs_info->nr_async_submits);
 
@@ -627,7 +636,8 @@ static int btree_csum_one_bio(struct bio *bio)
 
 static int __btree_submit_bio_start(struct inode *inode, int rw,
 				    struct bio *bio, int mirror_num,
-				    unsigned long bio_flags)
+				    unsigned long bio_flags,
+				    u64 bio_offset)
 {
 	/*
 	 * when we're called for a write, we're already in the async
@@ -638,7 +648,8 @@ static int __btree_submit_bio_start(struct inode *inode, int rw,
 }
 
 static int __btree_submit_bio_done(struct inode *inode, int rw, struct bio *bio,
-				 int mirror_num, unsigned long bio_flags)
+				 int mirror_num, unsigned long bio_flags,
+				 u64 bio_offset)
 {
 	/*
 	 * when we're called for a write, we're already in the async
@@ -648,7 +659,8 @@ static int __btree_submit_bio_done(struct inode *inode, int rw, struct bio *bio,
 }
 
 static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
-				 int mirror_num, unsigned long bio_flags)
+				 int mirror_num, unsigned long bio_flags,
+				 u64 bio_offset)
 {
 	int ret;
 
@@ -671,6 +683,7 @@ static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
 	 */
 	return btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,
 				   inode, rw, bio, mirror_num, 0,
+				   bio_offset,
 				   __btree_submit_bio_start,
 				   __btree_submit_bio_done);
 }
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 2c064eba6f0..88e825a0bf2 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -87,7 +87,7 @@ int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
 			int metadata);
 int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
 			int rw, struct bio *bio, int mirror_num,
-			unsigned long bio_flags,
+			unsigned long bio_flags, u64 bio_offset,
 			extent_submit_bio_hook_t *submit_bio_start,
 			extent_submit_bio_hook_t *submit_bio_done);
 
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index a53aca338c7..15392af21bf 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1913,7 +1913,7 @@ static int submit_one_bio(int rw, struct bio *bio, int mirror_num,
 
 	if (tree->ops && tree->ops->submit_bio_hook)
 		tree->ops->submit_bio_hook(page->mapping->host, rw, bio,
-					   mirror_num, bio_flags);
+					   mirror_num, bio_flags, start);
 	else
 		submit_bio(rw, bio);
 	if (bio_flagged(bio, BIO_EOPNOTSUPP))
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 86f10dc791d..86c7b341d07 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -49,7 +49,7 @@ struct extent_state;
 
 typedef	int (extent_submit_bio_hook_t)(struct inode *inode, int rw,
 				       struct bio *bio, int mirror_num,
-				       unsigned long bio_flags);
+				       unsigned long bio_flags, u64 bio_offset);
 struct extent_io_ops {
 	int (*fill_delalloc)(struct inode *inode, struct page *locked_page,
 			     u64 start, u64 end, int *page_started,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 1695440a59a..13a4aa22286 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1385,7 +1385,8 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
  */
 static int __btrfs_submit_bio_start(struct inode *inode, int rw,
 				    struct bio *bio, int mirror_num,
-				    unsigned long bio_flags)
+				    unsigned long bio_flags,
+				    u64 bio_offset)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	int ret = 0;
@@ -1404,7 +1405,8 @@ static int __btrfs_submit_bio_start(struct inode *inode, int rw,
  * are inserted into the btree
  */
 static int __btrfs_submit_bio_done(struct inode *inode, int rw, struct bio *bio,
-			  int mirror_num, unsigned long bio_flags)
+			  int mirror_num, unsigned long bio_flags,
+			  u64 bio_offset)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	return btrfs_map_bio(root, rw, bio, mirror_num, 1);
@@ -1415,7 +1417,8 @@ static int __btrfs_submit_bio_done(struct inode *inode, int rw, struct bio *bio,
  * on write, or reading the csums from the tree before a read
  */
 static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
-			  int mirror_num, unsigned long bio_flags)
+			  int mirror_num, unsigned long bio_flags,
+			  u64 bio_offset)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	int ret = 0;
@@ -1440,7 +1443,8 @@ static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
 		/* we're doing a write, do the async checksumming */
 		return btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,
 				   inode, rw, bio, mirror_num,
-				   bio_flags, __btrfs_submit_bio_start,
+				   bio_flags, bio_offset,
+				   __btrfs_submit_bio_start,
 				   __btrfs_submit_bio_done);
 	}
 
@@ -1844,7 +1848,7 @@ static int btrfs_io_failed_hook(struct bio *failed_bio,
 
 	BTRFS_I(inode)->io_tree.ops->submit_bio_hook(inode, rw, bio,
 						      failrec->last_mirror,
-						      failrec->bio_flags);
+						      failrec->bio_flags, 0);
 	return 0;
 }
 
@@ -5484,6 +5488,17 @@ out_done:
 	dio_end_io(bio, err);
 }
 
+static int __btrfs_submit_bio_start_direct_io(struct inode *inode, int rw,
+				    struct bio *bio, int mirror_num,
+				    unsigned long bio_flags, u64 offset)
+{
+	int ret;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	ret = btrfs_csum_one_bio(root, inode, bio, offset, 1);
+	BUG_ON(ret);
+	return 0;
+}
+
 static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
 				loff_t file_offset)
 {
@@ -5535,13 +5550,20 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
 	if (ret)
 		goto out_err;
 
-	if (write && !skip_sum)
-		btrfs_csum_one_bio(root, inode, bio, dip->logical_offset, 1);
-	else if (!skip_sum)
+	if (write && !skip_sum) {
+		ret = btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,
+				   inode, rw, bio, 0, 0,
+				   dip->logical_offset,
+				   __btrfs_submit_bio_start_direct_io,
+				   __btrfs_submit_bio_done);
+		if (ret)
+			goto out_err;
+		return;
+	} else if (!skip_sum)
 		btrfs_lookup_bio_sums_dio(root, inode, bio,
 					  dip->logical_offset, dip->csums);
 
-	ret = btrfs_map_bio(root, rw, bio, 0, 0);
+	ret = btrfs_map_bio(root, rw, bio, 0, 1);
 	if (ret)
 		goto out_err;
 	return;

From 8c38a2951026e6b428d3ce6e518d123c35becd18 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Fri, 21 May 2010 18:24:16 -0500
Subject: [PATCH 2977/3638] [SCSI] iscsi_tcp: remove sk_sleep check

There is no need to call sk_sleep before calling wake_up_interruptible,
because the wait_queue_head is now with the socket.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/iscsi_tcp.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index bf55d305741..fec47de7253 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -601,10 +601,8 @@ static void iscsi_sw_tcp_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
 	write_unlock_bh(&tcp_sw_conn->sock->sk->sk_callback_lock);
 
-	if (sk_sleep(sock->sk)) {
-		sock->sk->sk_err = EIO;
-		wake_up_interruptible(sk_sleep(sock->sk));
-	}
+	sock->sk->sk_err = EIO;
+	wake_up_interruptible(sk_sleep(sock->sk));
 
 	iscsi_conn_stop(cls_conn, flag);
 	iscsi_sw_tcp_release_conn(conn);

From 7873ca4e4401f0ecd8868bf1543113467e6bae61 Mon Sep 17 00:00:00 2001
From: Krishna Gudipati <kgudipat@brocade.com>
Date: Fri, 21 May 2010 14:39:45 -0700
Subject: [PATCH 2978/3638] [SCSI] bfa: fix system crash when reading sysfs
 fc_host statistics

The port data structure related to fc_host statistics collection is
not initialized. This causes system crash when reading the fc_host
statistics. The fix is to initialize port structure during driver
attach.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/bfa/bfa_core.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 0c08e185a76..3a7b3f88932 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -84,11 +84,32 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo)
 	for (i = 0; hal_mods[i]; i++)
 		hal_mods[i]->meminfo(cfg, &km_len, &dm_len);
 
+	dm_len += bfa_port_meminfo();
 
 	meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_len = km_len;
 	meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len;
 }
 
+static void
+bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi)
+{
+	struct bfa_port_s       *port = &bfa->modules.port;
+	uint32_t                dm_len;
+	uint8_t                 *dm_kva;
+	uint64_t                dm_pa;
+
+	dm_len = bfa_port_meminfo();
+	dm_kva = bfa_meminfo_dma_virt(mi);
+	dm_pa  = bfa_meminfo_dma_phys(mi);
+
+	memset(port, 0, sizeof(struct bfa_port_s));
+	bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod, bfa->logm);
+	bfa_port_mem_claim(port, dm_kva, dm_pa);
+
+	bfa_meminfo_dma_virt(mi) = dm_kva + dm_len;
+	bfa_meminfo_dma_phys(mi) = dm_pa + dm_len;
+}
+
 /**
  * Use this function to do attach the driver instance with the BFA
  * library. This function will not trigger any HW initialization
@@ -140,6 +161,7 @@ bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	for (i = 0; hal_mods[i]; i++)
 		hal_mods[i]->attach(bfa, bfad, cfg, meminfo, pcidev);
 
+	bfa_com_port_attach(bfa, meminfo);
 }
 
 /**

From 498900fc9cd1adbad1ba6b55ed9d8f2f5d655ca3 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Mon, 24 May 2010 14:31:45 -0700
Subject: [PATCH 2979/3638] xtensa: set ARCH_KMALLOC_MINALIGN

Architectures that handle DMA-non-coherent memory need to set
ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: the
buffer doesn't share a cache with the others.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Chris Zankel <chris@zankel.net>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/xtensa/include/asm/cache.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/xtensa/include/asm/cache.h b/arch/xtensa/include/asm/cache.h
index f04c9891142..ed8cd3cbd49 100644
--- a/arch/xtensa/include/asm/cache.h
+++ b/arch/xtensa/include/asm/cache.h
@@ -29,5 +29,6 @@
 # define CACHE_WAY_SIZE ICACHE_WAY_SIZE
 #endif
 
+#define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
 
 #endif	/* _XTENSA_CACHE_H */

From e520c410854bab763be24e0fce7ba89dc252efee Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 24 May 2010 14:31:46 -0700
Subject: [PATCH 2980/3638] xtensa: convert to asm-generic/hardirq.h

Also remove lots of unused irq_cpustat fields.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/xtensa/include/asm/hardirq.h | 15 +++------------
 arch/xtensa/kernel/irq.c          |  9 ---------
 2 files changed, 3 insertions(+), 21 deletions(-)

diff --git a/arch/xtensa/include/asm/hardirq.h b/arch/xtensa/include/asm/hardirq.h
index 87cb19d1b10..26664cef8f1 100644
--- a/arch/xtensa/include/asm/hardirq.h
+++ b/arch/xtensa/include/asm/hardirq.h
@@ -11,18 +11,9 @@
 #ifndef _XTENSA_HARDIRQ_H
 #define _XTENSA_HARDIRQ_H
 
-#include <linux/cache.h>
-#include <asm/irq.h>
-
-/* headers.S is sensitive to the offsets of these fields */
-typedef struct {
-	unsigned int __softirq_pending;
-	unsigned int __syscall_count;
-	struct task_struct * __ksoftirqd_task; /* waitqueue is too large */
-	unsigned int __nmi_count;	       /* arch dependent */
-} ____cacheline_aligned irq_cpustat_t;
-
 void ack_bad_irq(unsigned int irq);
-#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
+#define ack_bad_irq ack_bad_irq
+
+#include <asm-generic/hardirq.h>
 
 #endif	/* _XTENSA_HARDIRQ_H */
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 8cd38484e13..c64a5d387de 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -26,15 +26,6 @@ static unsigned int cached_irq_mask;
 
 atomic_t irq_err_count;
 
-/*
- * 'what should we do if we get a hw irq event on an illegal vector'.
- * each architecture has to answer this themselves.
- */
-void ack_bad_irq(unsigned int irq)
-{
-          printk("unexpected IRQ trap at vector %02x\n", irq);
-}
-
 /*
  * do_IRQ handles all normal device IRQ's (the special
  * SMP cross-CPU interrupts have their own specific

From 1f0a738868cbfe20ae53a00b7c302c04ef7ab8fc Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinder@kernel.org>
Date: Mon, 24 May 2010 14:31:46 -0700
Subject: [PATCH 2981/3638] xtensa: includecheck fix: vectors.S

fix the following 'make includecheck' warnings:

  arch/xtensa/kernel/vectors.S: asm/processor.h is included more than once.
  arch/xtensa/kernel/vectors.S: asm/ptrace.h is included more than once.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/xtensa/kernel/vectors.S | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S
index 74a7518faf1..70066e3582d 100644
--- a/arch/xtensa/kernel/vectors.S
+++ b/arch/xtensa/kernel/vectors.S
@@ -44,14 +44,12 @@
 
 #include <linux/linkage.h>
 #include <asm/ptrace.h>
-#include <asm/ptrace.h>
 #include <asm/current.h>
 #include <asm/asm-offsets.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/page.h>
 #include <asm/thread_info.h>
-#include <asm/processor.h>
 
 #define WINDOW_VECTORS_SIZE   0x180
 

From e9d6c157385e4efa61cb8293e425c9d8beba70d3 Mon Sep 17 00:00:00 2001
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Mon, 24 May 2010 14:31:48 -0700
Subject: [PATCH 2982/3638] tmpfs: insert tmpfs cache pages to inactive list at
 first

Shaohua Li reported parallel file copy on tmpfs can lead to OOM killer.
This is regression of caused by commit 9ff473b9a7 ("vmscan: evict
streaming IO first").  Wow, It is 2 years old patch!

Currently, tmpfs file cache is inserted active list at first.  This means
that the insertion doesn't only increase numbers of pages in anon LRU, but
it also reduces anon scanning ratio.  Therefore, vmscan will get totally
confused.  It scans almost only file LRU even though the system has plenty
unused tmpfs pages.

Historically, lru_cache_add_active_anon() was used for two reasons.
1) Intend to priotize shmem page rather than regular file cache.
2) Intend to avoid reclaim priority inversion of used once pages.

But we've lost both motivation because (1) Now we have separate anon and
file LRU list.  then, to insert active list doesn't help such priotize.
(2) In past, one pte access bit will cause page activation.  then to
insert inactive list with pte access bit mean higher priority than to
insert active list.  Its priority inversion may lead to uninteded lru
chun.  but it was already solved by commit 645747462 (vmscan: detect
mapped file pages used only once).  (Thanks Hannes, you are great!)

Thus, now we can use lru_cache_add_anon() instead.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reported-by: Shaohua Li <shaohua.li@intel.com>
Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/swap.h | 10 ----------
 mm/filemap.c         |  4 ++--
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index ec2b7a42b45..600b03b7732 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -224,21 +224,11 @@ static inline void lru_cache_add_anon(struct page *page)
 	__lru_cache_add(page, LRU_INACTIVE_ANON);
 }
 
-static inline void lru_cache_add_active_anon(struct page *page)
-{
-	__lru_cache_add(page, LRU_ACTIVE_ANON);
-}
-
 static inline void lru_cache_add_file(struct page *page)
 {
 	__lru_cache_add(page, LRU_INACTIVE_FILE);
 }
 
-static inline void lru_cache_add_active_file(struct page *page)
-{
-	__lru_cache_add(page, LRU_ACTIVE_FILE);
-}
-
 /* linux/mm/vmscan.c */
 extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 					gfp_t gfp_mask, nodemask_t *mask);
diff --git a/mm/filemap.c b/mm/filemap.c
index 140ebda9640..d6f4f073836 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -441,7 +441,7 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 	/*
 	 * Splice_read and readahead add shmem/tmpfs pages into the page cache
 	 * before shmem_readpage has a chance to mark them as SwapBacked: they
-	 * need to go on the active_anon lru below, and mem_cgroup_cache_charge
+	 * need to go on the anon lru below, and mem_cgroup_cache_charge
 	 * (called in add_to_page_cache) needs to know where they're going too.
 	 */
 	if (mapping_cap_swap_backed(mapping))
@@ -452,7 +452,7 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 		if (page_is_file_cache(page))
 			lru_cache_add_file(page);
 		else
-			lru_cache_add_active_anon(page);
+			lru_cache_add_anon(page);
 	}
 	return ret;
 }

From 6dda9d55bf545013597724bf0cd79d01bd2bd944 Mon Sep 17 00:00:00 2001
From: Corrado Zoccolo <czoccolo@gmail.com>
Date: Mon, 24 May 2010 14:31:54 -0700
Subject: [PATCH 2983/3638] page allocator: reduce fragmentation in buddy
 allocator by adding buddies that are merging to the tail of the free lists

In order to reduce fragmentation, this patch classifies freed pages in two
groups according to their probability of being part of a high order merge.
 Pages belonging to a compound whose next-highest buddy is free are more
likely to be part of a high order merge in the near future, so they will
be added at the tail of the freelist.  The remaining pages are put at the
front of the freelist.

In this way, the pages that are more likely to cause a big merge are kept
free longer.  Consequently there is a tendency to aggregate the
long-living allocations on a subset of the compounds, reducing the
fragmentation.

This heuristic was tested on three machines, x86, x86-64 and ppc64 with
3GB of RAM in each machine.  The tests were kernbench, netperf, sysbench
and STREAM for performance and a high-order stress test for huge page
allocations.

KernBench X86
Elapsed mean     374.77 ( 0.00%)   375.10 (-0.09%)
User    mean     649.53 ( 0.00%)   650.44 (-0.14%)
System  mean      54.75 ( 0.00%)    54.18 ( 1.05%)
CPU     mean     187.75 ( 0.00%)   187.25 ( 0.27%)

KernBench X86-64
Elapsed mean      94.45 ( 0.00%)    94.01 ( 0.47%)
User    mean     323.27 ( 0.00%)   322.66 ( 0.19%)
System  mean      36.71 ( 0.00%)    36.50 ( 0.57%)
CPU     mean     380.75 ( 0.00%)   381.75 (-0.26%)

KernBench PPC64
Elapsed mean     173.45 ( 0.00%)   173.74 (-0.17%)
User    mean     587.99 ( 0.00%)   587.95 ( 0.01%)
System  mean      60.60 ( 0.00%)    60.57 ( 0.05%)
CPU     mean     373.50 ( 0.00%)   372.75 ( 0.20%)

Nothing notable for kernbench.

NetPerf UDP X86
      64    42.68 ( 0.00%)     42.77 ( 0.21%)
     128    85.62 ( 0.00%)     85.32 (-0.35%)
     256   170.01 ( 0.00%)    168.76 (-0.74%)
    1024   655.68 ( 0.00%)    652.33 (-0.51%)
    2048  1262.39 ( 0.00%)   1248.61 (-1.10%)
    3312  1958.41 ( 0.00%)   1944.61 (-0.71%)
    4096  2345.63 ( 0.00%)   2318.83 (-1.16%)
    8192  4132.90 ( 0.00%)   4089.50 (-1.06%)
   16384  6770.88 ( 0.00%)   6642.05 (-1.94%)*

NetPerf UDP X86-64
      64   148.82 ( 0.00%)    154.92 ( 3.94%)
     128   298.96 ( 0.00%)    312.95 ( 4.47%)
     256   583.67 ( 0.00%)    626.39 ( 6.82%)
    1024  2293.18 ( 0.00%)   2371.10 ( 3.29%)
    2048  4274.16 ( 0.00%)   4396.83 ( 2.79%)
    3312  6356.94 ( 0.00%)   6571.35 ( 3.26%)
    4096  7422.68 ( 0.00%)   7635.42 ( 2.79%)*
    8192 12114.81 ( 0.00%)* 12346.88 ( 1.88%)
   16384 17022.28 ( 0.00%)* 17033.19 ( 0.06%)*
             1.64%             2.73%

NetPerf UDP PPC64
      64    49.98 ( 0.00%)     50.25 ( 0.54%)
     128    98.66 ( 0.00%)    100.95 ( 2.27%)
     256   197.33 ( 0.00%)    191.03 (-3.30%)
    1024   761.98 ( 0.00%)    785.07 ( 2.94%)
    2048  1493.50 ( 0.00%)   1510.85 ( 1.15%)
    3312  2303.95 ( 0.00%)   2271.72 (-1.42%)
    4096  2774.56 ( 0.00%)   2773.06 (-0.05%)
    8192  4918.31 ( 0.00%)   4793.59 (-2.60%)
   16384  7497.98 ( 0.00%)   7749.52 ( 3.25%)

The tests are run to have confidence limits within 1%.  Results marked
with a * were not confident although in this case, it's only outside by
small amounts.  Even with some results that were not confident, the
netperf UDP results were generally positive.

NetPerf TCP X86
      64   652.25 ( 0.00%)*   648.12 (-0.64%)*
            23.80%            22.82%
     128  1229.98 ( 0.00%)*  1220.56 (-0.77%)*
            21.03%            18.90%
     256  2105.88 ( 0.00%)   1872.03 (-12.49%)*
             1.00%            16.46%
    1024  3476.46 ( 0.00%)*  3548.28 ( 2.02%)*
            13.37%            11.39%
    2048  4023.44 ( 0.00%)*  4231.45 ( 4.92%)*
             9.76%            12.48%
    3312  4348.88 ( 0.00%)*  4396.96 ( 1.09%)*
             6.49%             8.75%
    4096  4726.56 ( 0.00%)*  4877.71 ( 3.10%)*
             9.85%             8.50%
    8192  4732.28 ( 0.00%)*  5777.77 (18.10%)*
             9.13%            13.04%
   16384  5543.05 ( 0.00%)*  5906.24 ( 6.15%)*
             7.73%             8.68%

NETPERF TCP X86-64
            netperf-tcp-vanilla-netperf       netperf-tcp
                   tcp-vanilla     pgalloc-delay
      64  1895.87 ( 0.00%)*  1775.07 (-6.81%)*
             5.79%             4.78%
     128  3571.03 ( 0.00%)*  3342.20 (-6.85%)*
             3.68%             6.06%
     256  5097.21 ( 0.00%)*  4859.43 (-4.89%)*
             3.02%             2.10%
    1024  8919.10 ( 0.00%)*  8892.49 (-0.30%)*
             5.89%             6.55%
    2048 10255.46 ( 0.00%)* 10449.39 ( 1.86%)*
             7.08%             7.44%
    3312 10839.90 ( 0.00%)* 10740.15 (-0.93%)*
             6.87%             7.33%
    4096 10814.84 ( 0.00%)* 10766.97 (-0.44%)*
             6.86%             8.18%
    8192 11606.89 ( 0.00%)* 11189.28 (-3.73%)*
             7.49%             5.55%
   16384 12554.88 ( 0.00%)* 12361.22 (-1.57%)*
             7.36%             6.49%

NETPERF TCP PPC64
            netperf-tcp-vanilla-netperf       netperf-tcp
                   tcp-vanilla     pgalloc-delay
      64   594.17 ( 0.00%)    596.04 ( 0.31%)*
             1.00%             2.29%
     128  1064.87 ( 0.00%)*  1074.77 ( 0.92%)*
             1.30%             1.40%
     256  1852.46 ( 0.00%)*  1856.95 ( 0.24%)
             1.25%             1.00%
    1024  3839.46 ( 0.00%)*  3813.05 (-0.69%)
             1.02%             1.00%
    2048  4885.04 ( 0.00%)*  4881.97 (-0.06%)*
             1.15%             1.04%
    3312  5506.90 ( 0.00%)   5459.72 (-0.86%)
    4096  6449.19 ( 0.00%)   6345.46 (-1.63%)
    8192  7501.17 ( 0.00%)   7508.79 ( 0.10%)
   16384  9618.65 ( 0.00%)   9490.10 (-1.35%)

There was a distinct lack of confidence in the X86* figures so I included
what the devation was where the results were not confident.  Many of the
results, whether gains or losses were within the standard deviation so no
solid conclusion can be reached on performance impact.  Looking at the
figures, only the X86-64 ones look suspicious with a few losses that were
outside the noise.  However, the results were so unstable that without
knowing why they vary so much, a solid conclusion cannot be reached.

SYSBENCH X86
              sysbench-vanilla     pgalloc-delay
           1  7722.85 ( 0.00%)  7756.79 ( 0.44%)
           2 14901.11 ( 0.00%) 13683.44 (-8.90%)
           3 15171.71 ( 0.00%) 14888.25 (-1.90%)
           4 14966.98 ( 0.00%) 15029.67 ( 0.42%)
           5 14370.47 ( 0.00%) 14865.00 ( 3.33%)
           6 14870.33 ( 0.00%) 14845.57 (-0.17%)
           7 14429.45 ( 0.00%) 14520.85 ( 0.63%)
           8 14354.35 ( 0.00%) 14362.31 ( 0.06%)

SYSBENCH X86-64
           1 17448.70 ( 0.00%) 17484.41 ( 0.20%)
           2 34276.39 ( 0.00%) 34251.00 (-0.07%)
           3 50805.25 ( 0.00%) 50854.80 ( 0.10%)
           4 66667.10 ( 0.00%) 66174.69 (-0.74%)
           5 66003.91 ( 0.00%) 65685.25 (-0.49%)
           6 64981.90 ( 0.00%) 65125.60 ( 0.22%)
           7 64933.16 ( 0.00%) 64379.23 (-0.86%)
           8 63353.30 ( 0.00%) 63281.22 (-0.11%)
           9 63511.84 ( 0.00%) 63570.37 ( 0.09%)
          10 62708.27 ( 0.00%) 63166.25 ( 0.73%)
          11 62092.81 ( 0.00%) 61787.75 (-0.49%)
          12 61330.11 ( 0.00%) 61036.34 (-0.48%)
          13 61438.37 ( 0.00%) 61994.47 ( 0.90%)
          14 62304.48 ( 0.00%) 62064.90 (-0.39%)
          15 63296.48 ( 0.00%) 62875.16 (-0.67%)
          16 63951.76 ( 0.00%) 63769.09 (-0.29%)

SYSBENCH PPC64
                             -sysbench-pgalloc-delay-sysbench
              sysbench-vanilla     pgalloc-delay
           1  7645.08 ( 0.00%)  7467.43 (-2.38%)
           2 14856.67 ( 0.00%) 14558.73 (-2.05%)
           3 21952.31 ( 0.00%) 21683.64 (-1.24%)
           4 27946.09 ( 0.00%) 28623.29 ( 2.37%)
           5 28045.11 ( 0.00%) 28143.69 ( 0.35%)
           6 27477.10 ( 0.00%) 27337.45 (-0.51%)
           7 26489.17 ( 0.00%) 26590.06 ( 0.38%)
           8 26642.91 ( 0.00%) 25274.33 (-5.41%)
           9 25137.27 ( 0.00%) 24810.06 (-1.32%)
          10 24451.99 ( 0.00%) 24275.85 (-0.73%)
          11 23262.20 ( 0.00%) 23674.88 ( 1.74%)
          12 24234.81 ( 0.00%) 23640.89 (-2.51%)
          13 24577.75 ( 0.00%) 24433.50 (-0.59%)
          14 25640.19 ( 0.00%) 25116.52 (-2.08%)
          15 26188.84 ( 0.00%) 26181.36 (-0.03%)
          16 26782.37 ( 0.00%) 26255.99 (-2.00%)

Again, there is little to conclude here.  While there are a few losses,
the results vary by +/- 8% in some cases.  They are the results of most
concern as there are some large losses but it's also within the variance
typically seen between kernel releases.

The STREAM results varied so little and are so verbose that I didn't
include them here.

The final test stressed how many huge pages can be allocated.  The
absolute number of huge pages allocated are the same with or without the
page.  However, the "unusability free space index" which is a measure of
external fragmentation was slightly lower (lower is better) throughout the
lifetime of the system.  I also measured the latency of how long it took
to successfully allocate a huge page.  The latency was slightly lower and
on X86 and PPC64, more huge pages were allocated almost immediately from
the free lists.  The improvement is slight but there.

[mel@csn.ul.ie: Tested, reworked for less branches]
[czoccolo@gmail.com: fix oops by checking pfn_valid_within()]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Corrado Zoccolo <czoccolo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_alloc.c | 30 +++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a6326c71b66..596180fedd3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -475,6 +475,8 @@ static inline void __free_one_page(struct page *page,
 		int migratetype)
 {
 	unsigned long page_idx;
+	unsigned long combined_idx;
+	struct page *buddy;
 
 	if (unlikely(PageCompound(page)))
 		if (unlikely(destroy_compound_page(page, order)))
@@ -488,9 +490,6 @@ static inline void __free_one_page(struct page *page,
 	VM_BUG_ON(bad_range(zone, page));
 
 	while (order < MAX_ORDER-1) {
-		unsigned long combined_idx;
-		struct page *buddy;
-
 		buddy = __page_find_buddy(page, page_idx, order);
 		if (!page_is_buddy(page, buddy, order))
 			break;
@@ -505,8 +504,29 @@ static inline void __free_one_page(struct page *page,
 		order++;
 	}
 	set_page_order(page, order);
-	list_add(&page->lru,
-		&zone->free_area[order].free_list[migratetype]);
+
+	/*
+	 * If this is not the largest possible page, check if the buddy
+	 * of the next-highest order is free. If it is, it's possible
+	 * that pages are being freed that will coalesce soon. In case,
+	 * that is happening, add the free page to the tail of the list
+	 * so it's less likely to be used soon and more likely to be merged
+	 * as a higher order page
+	 */
+	if ((order < MAX_ORDER-1) && pfn_valid_within(page_to_pfn(buddy))) {
+		struct page *higher_page, *higher_buddy;
+		combined_idx = __find_combined_index(page_idx, order);
+		higher_page = page + combined_idx - page_idx;
+		higher_buddy = __page_find_buddy(higher_page, combined_idx, order + 1);
+		if (page_is_buddy(higher_page, higher_buddy, order + 1)) {
+			list_add_tail(&page->lru,
+				&zone->free_area[order].free_list[migratetype]);
+			goto out;
+		}
+	}
+
+	list_add(&page->lru, &zone->free_area[order].free_list[migratetype]);
+out:
 	zone->free_area[order].nr_free++;
 }
 

From e48e67e08c340def3d0349c2910d23c7985fb6fa Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai@kernel.org>
Date: Mon, 24 May 2010 14:31:57 -0700
Subject: [PATCH 2984/3638] sparsemem: on no vmemmap path put mem_map on node
 high too

We need to put mem_map high when virtual memmap is not used.

before this patch
free mem pfn range on first node:
[    0.000000]  19 - 1f
[    0.000000]  28 40 - 80 95
[    0.000000]  702 740 - 1000 1000
[    0.000000]  347c - 347e
[    0.000000]  34e7 3500 - 3b80 3b8b
[    0.000000]  73b8b 73bc0 - 73c00 73c00
[    0.000000]  73ddd - 73e00
[    0.000000]  73fdd - 74000
[    0.000000]  741dd - 74200
[    0.000000]  743dd - 74400
[    0.000000]  745dd - 74600
[    0.000000]  747dd - 74800
[    0.000000]  749dd - 74a00
[    0.000000]  74bdd - 74c00
[    0.000000]  74ddd - 74e00
[    0.000000]  74fdd - 75000
[    0.000000]  751dd - 75200
[    0.000000]  753dd - 75400
[    0.000000]  755dd - 75600
[    0.000000]  757dd - 75800
[    0.000000]  759dd - 75a00
[    0.000000]  79bdd 79c00 - 7d540 7d550
[    0.000000]  7f745 - 7f750
[    0.000000]  10000b 100040 - 2080000 2080000
so only 79c00 - 7d540 are major free block under 4g...

after this patch, we will get
[    0.000000]  19 - 1f
[    0.000000]  28 40 - 80 95
[    0.000000]  702 740 - 1000 1000
[    0.000000]  347c - 347e
[    0.000000]  34e7 3500 - 3600 3600
[    0.000000]  37dd - 3800
[    0.000000]  39dd - 3a00
[    0.000000]  3bdd - 3c00
[    0.000000]  3ddd - 3e00
[    0.000000]  3fdd - 4000
[    0.000000]  41dd - 4200
[    0.000000]  43dd - 4400
[    0.000000]  45dd - 4600
[    0.000000]  47dd - 4800
[    0.000000]  49dd - 4a00
[    0.000000]  4bdd - 4c00
[    0.000000]  4ddd - 4e00
[    0.000000]  4fdd - 5000
[    0.000000]  51dd - 5200
[    0.000000]  53dd - 5400
[    0.000000]  95dd 9600 - 7d540 7d550
[    0.000000]  7f745 - 7f750
[    0.000000]  17000b 170040 - 2080000 2080000
we will have 9600 - 7d540 for major free block...

sparse-vmemmap path already used __alloc_bootmem_node_high()

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Greg Thelen <gthelen@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/sparse.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/mm/sparse.c b/mm/sparse.c
index dc0cc4d43ff..95ac219af37 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -382,13 +382,15 @@ static void __init sparse_early_usemaps_alloc_node(unsigned long**usemap_map,
 struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid)
 {
 	struct page *map;
+	unsigned long size;
 
 	map = alloc_remap(nid, sizeof(struct page) * PAGES_PER_SECTION);
 	if (map)
 		return map;
 
-	map = alloc_bootmem_pages_node(NODE_DATA(nid),
-		       PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION));
+	size = PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION);
+	map = __alloc_bootmem_node_high(NODE_DATA(nid), size,
+					 PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
 	return map;
 }
 void __init sparse_mem_maps_populate_node(struct page **map_map,
@@ -412,7 +414,8 @@ void __init sparse_mem_maps_populate_node(struct page **map_map,
 	}
 
 	size = PAGE_ALIGN(size);
-	map = alloc_bootmem_pages_node(NODE_DATA(nodeid), size * map_count);
+	map = __alloc_bootmem_node_high(NODE_DATA(nodeid), size * map_count,
+					 PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
 	if (map) {
 		for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
 			if (!present_section_nr(pnum))

From 4b50dc26a0a25a9d1998d206e1f7d849aa78063f Mon Sep 17 00:00:00 2001
From: Huang Shijie <shijie8@gmail.com>
Date: Mon, 24 May 2010 14:31:58 -0700
Subject: [PATCH 2985/3638] shmem: remove redundant code

prep_new_page() will call set_page_private(page, 0) to initialise the
page, so the code is redundant.

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/shmem.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 0cd7f66f1c6..4ef9797bd43 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -433,8 +433,6 @@ static swp_entry_t *shmem_swp_alloc(struct shmem_inode_info *info, unsigned long
 
 		spin_unlock(&info->lock);
 		page = shmem_dir_alloc(mapping_gfp_mask(inode->i_mapping));
-		if (page)
-			set_page_private(page, 0);
 		spin_lock(&info->lock);
 
 		if (!page) {

From e13861d822f8f443ca0c020ea8fc2dc01039cd63 Mon Sep 17 00:00:00 2001
From: Minchan Kim <minchan.kim@gmail.com>
Date: Mon, 24 May 2010 14:31:59 -0700
Subject: [PATCH 2986/3638] mm: remove return value of putback_lru_pages()

putback_lru_page() never can fail.  So it doesn't matter count of "the
number of pages put back".

In addition, users of this functions don't use return value.

Let's remove unnecessary code.

Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/migrate.h | 4 ++--
 mm/migrate.c            | 7 +------
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 7f085c97c79..7a07b17d27c 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -9,7 +9,7 @@ typedef struct page *new_page_t(struct page *, unsigned long private, int **);
 #ifdef CONFIG_MIGRATION
 #define PAGE_MIGRATION 1
 
-extern int putback_lru_pages(struct list_head *l);
+extern void putback_lru_pages(struct list_head *l);
 extern int migrate_page(struct address_space *,
 			struct page *, struct page *);
 extern int migrate_pages(struct list_head *l, new_page_t x,
@@ -25,7 +25,7 @@ extern int migrate_vmas(struct mm_struct *mm,
 #else
 #define PAGE_MIGRATION 0
 
-static inline int putback_lru_pages(struct list_head *l) { return 0; }
+static inline void putback_lru_pages(struct list_head *l) {}
 static inline int migrate_pages(struct list_head *l, new_page_t x,
 		unsigned long private, int offlining) { return -ENOSYS; }
 
diff --git a/mm/migrate.c b/mm/migrate.c
index d3f3f7f8107..5938db54e1d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -58,23 +58,18 @@ int migrate_prep(void)
 /*
  * Add isolated pages on the list back to the LRU under page lock
  * to avoid leaking evictable pages back onto unevictable list.
- *
- * returns the number of pages put back.
  */
-int putback_lru_pages(struct list_head *l)
+void putback_lru_pages(struct list_head *l)
 {
 	struct page *page;
 	struct page *page2;
-	int count = 0;
 
 	list_for_each_entry_safe(page, page2, l, lru) {
 		list_del(&page->lru);
 		dec_zone_page_state(page, NR_ISOLATED_ANON +
 				page_is_file_cache(page));
 		putback_lru_page(page);
-		count++;
 	}
-	return count;
 }
 
 /*

From 6d556294d5b27fb12f18be7495af45b6156a409e Mon Sep 17 00:00:00 2001
From: Bob Liu <lliubbo@gmail.com>
Date: Mon, 24 May 2010 14:31:59 -0700
Subject: [PATCH 2987/3638] mempolicy: remove redundant code

1.  In funtion is_valid_nodemask(), varibable k will be inited to 0 in
   the following loop, needn't init to policy_zone anymore.

2. (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES) has already defined
   to MPOL_MODE_FLAGS in mempolicy.h.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 08f40a2f3fe..ad500f3b12b 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -127,9 +127,6 @@ static int is_valid_nodemask(const nodemask_t *nodemask)
 {
 	int nd, k;
 
-	/* Check that there is something useful in this mask */
-	k = policy_zone;
-
 	for_each_node_mask(nd, *nodemask) {
 		struct zone *z;
 
@@ -145,7 +142,7 @@ static int is_valid_nodemask(const nodemask_t *nodemask)
 
 static inline int mpol_store_user_nodemask(const struct mempolicy *pol)
 {
-	return pol->flags & (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES);
+	return pol->flags & MPOL_MODE_FLAGS;
 }
 
 static void mpol_relative_nodemask(nodemask_t *ret, const nodemask_t *orig,

From 6eb27e1fdf5781719a3d2e90e6c89fa012135c62 Mon Sep 17 00:00:00 2001
From: Bob Liu <lliubbo@gmail.com>
Date: Mon, 24 May 2010 14:32:00 -0700
Subject: [PATCH 2988/3638] mempolicy: remove case MPOL_INTERLEAVE from
 policy_zonelist()

In policy_zonelist() mode MPOL_INTERLEAVE shouldn't happen, so fall
through to BUG() instead of break to return.  I also fixed the comment.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index ad500f3b12b..d97355b744a 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1441,15 +1441,13 @@ static struct zonelist *policy_zonelist(gfp_t gfp, struct mempolicy *policy)
 		/*
 		 * Normally, MPOL_BIND allocations are node-local within the
 		 * allowed nodemask.  However, if __GFP_THISNODE is set and the
-		 * current node is part of the mask, we use the zonelist for
+		 * current node isn't part of the mask, we use the zonelist for
 		 * the first node in the mask instead.
 		 */
 		if (unlikely(gfp & __GFP_THISNODE) &&
 				unlikely(!node_isset(nd, policy->v.nodes)))
 			nd = first_node(policy->v.nodes);
 		break;
-	case MPOL_INTERLEAVE: /* should not happen */
-		break;
 	default:
 		BUG();
 	}

From 1980050250fa052b1c24a19f9b3d82fae14d77f8 Mon Sep 17 00:00:00 2001
From: Bob Liu <lliubbo@gmail.com>
Date: Mon, 24 May 2010 14:32:01 -0700
Subject: [PATCH 2989/3638] mempolicy: remove redundant check

Lee's patch "mempolicy: use MPOL_PREFERRED for system-wide default policy"
has made the MPOL_DEFAULT only used in the memory policy APIs.  So, no
need to check in __mpol_equal also.  Also get rid of mpol_match_intent()
and move its logic directly into __mpol_equal().

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index d97355b744a..ac5aeafaec9 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1787,16 +1787,6 @@ struct mempolicy *__mpol_cond_copy(struct mempolicy *tompol,
 	return tompol;
 }
 
-static int mpol_match_intent(const struct mempolicy *a,
-			     const struct mempolicy *b)
-{
-	if (a->flags != b->flags)
-		return 0;
-	if (!mpol_store_user_nodemask(a))
-		return 1;
-	return nodes_equal(a->w.user_nodemask, b->w.user_nodemask);
-}
-
 /* Slow path of a mempolicy comparison */
 int __mpol_equal(struct mempolicy *a, struct mempolicy *b)
 {
@@ -1804,8 +1794,12 @@ int __mpol_equal(struct mempolicy *a, struct mempolicy *b)
 		return 0;
 	if (a->mode != b->mode)
 		return 0;
-	if (a->mode != MPOL_DEFAULT && !mpol_match_intent(a, b))
+	if (a->flags != b->flags)
 		return 0;
+	if (mpol_store_user_nodemask(a))
+		if (!nodes_equal(a->w.user_nodemask, b->w.user_nodemask))
+			return 0;
+
 	switch (a->mode) {
 	case MPOL_BIND:
 		/* Fall through */

From e17f74af351cce9a1bade7b33af179497fdf95cf Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Mon, 24 May 2010 14:32:02 -0700
Subject: [PATCH 2990/3638] mempolicy: don't call mpol_set_nodemask() when
 no_context

No need to call mpol_set_nodemask() when we have no context for the
mempolicy.  This can occur when we're parsing a tmpfs 'mpol' mount option.
 Just save the raw nodemask in the mempolicy's w.user_nodemask member for
use when a tmpfs/shmem file is created.  mpol_shared_policy_init() will
"contextualize" the policy for the new file based on the creating task's
context.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index ac5aeafaec9..0e1b293e405 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2239,7 +2239,10 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 	if (IS_ERR(new))
 		goto out;
 
-	{
+	if (no_context) {
+		/* save for contextualization */
+		new->w.user_nodemask = nodes;
+	} else {
 		int ret;
 		NODEMASK_SCRATCH(scratch);
 		if (scratch) {
@@ -2255,10 +2258,6 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 		}
 	}
 	err = 0;
-	if (no_context) {
-		/* save for contextualization */
-		new->w.user_nodemask = nodes;
-	}
 
 out:
 	/* Restore string for error message */

From b4652e8429100ba5c3ddb49499faa1188c98c246 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Mon, 24 May 2010 14:32:03 -0700
Subject: [PATCH 2991/3638] mempolicy: lose unnecessary loop variable in
 mpol_parse_str()

We don't really need the extra variable 'i' in mpol_parse_str().  The only
use is as the the loop variable.  Then, it's assigned to 'mode'.  Just use
mode, and loose the 'uninitialized_var()' macro.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 0e1b293e405..b4f1265df2d 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2148,12 +2148,11 @@ static const char * const policy_types[] =
 int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 {
 	struct mempolicy *new = NULL;
-	unsigned short uninitialized_var(mode);
+	unsigned short mode;
 	unsigned short uninitialized_var(mode_flags);
 	nodemask_t nodes;
 	char *nodelist = strchr(str, ':');
 	char *flags = strchr(str, '=');
-	int i;
 	int err = 1;
 
 	if (nodelist) {
@@ -2169,13 +2168,12 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 	if (flags)
 		*flags++ = '\0';	/* terminate mode string */
 
-	for (i = 0; i <= MPOL_LOCAL; i++) {
-		if (!strcmp(str, policy_types[i])) {
-			mode = i;
+	for (mode = 0; mode <= MPOL_LOCAL; mode++) {
+		if (!strcmp(str, policy_types[mode])) {
 			break;
 		}
 	}
-	if (i > MPOL_LOCAL)
+	if (mode > MPOL_LOCAL)
 		goto out;
 
 	switch (mode) {

From 345ace9c797030e77da8ff211b9502370b9d81ab Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Mon, 24 May 2010 14:32:04 -0700
Subject: [PATCH 2992/3638] mempolicy: rename policy_types and cleanup
 initialization

Rename 'policy_types[]' to 'policy_modes[]' to better match the array
contents.

Use designated intializer syntax for policy_modes[].

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index b4f1265df2d..ade57322fa2 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2121,9 +2121,15 @@ void numa_default_policy(void)
  * "local" is pseudo-policy:  MPOL_PREFERRED with MPOL_F_LOCAL flag
  * Used only for mpol_parse_str() and mpol_to_str()
  */
-#define MPOL_LOCAL (MPOL_INTERLEAVE + 1)
-static const char * const policy_types[] =
-	{ "default", "prefer", "bind", "interleave", "local" };
+#define MPOL_LOCAL MPOL_MAX
+static const char * const policy_modes[] =
+{
+	[MPOL_DEFAULT]    = "default",
+	[MPOL_PREFERRED]  = "prefer",
+	[MPOL_BIND]       = "bind",
+	[MPOL_INTERLEAVE] = "interleave",
+	[MPOL_LOCAL]      = "local"
+};
 
 
 #ifdef CONFIG_TMPFS
@@ -2169,7 +2175,7 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 		*flags++ = '\0';	/* terminate mode string */
 
 	for (mode = 0; mode <= MPOL_LOCAL; mode++) {
-		if (!strcmp(str, policy_types[mode])) {
+		if (!strcmp(str, policy_modes[mode])) {
 			break;
 		}
 	}
@@ -2324,11 +2330,11 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context)
 		BUG();
 	}
 
-	l = strlen(policy_types[mode]);
+	l = strlen(policy_modes[mode]);
 	if (buffer + maxlen < p + l + 1)
 		return -ENOSPC;
 
-	strcpy(p, policy_types[mode]);
+	strcpy(p, policy_modes[mode]);
 	p += l;
 
 	if (flags & MPOL_MODE_FLAGS) {

From 15d77835ac48dbc2d4884376ea6a08b65b1c40ba Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Mon, 24 May 2010 14:32:04 -0700
Subject: [PATCH 2993/3638] mempolicy: factor mpol_shared_policy_init() return
 paths

Factor out duplicate put/frees in mpol_shared_policy_init() to a common
return path.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index ade57322fa2..0c73c8b814c 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1995,26 +1995,22 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol)
 			return;
 		/* contextualize the tmpfs mount point mempolicy */
 		new = mpol_new(mpol->mode, mpol->flags, &mpol->w.user_nodemask);
-		if (IS_ERR(new)) {
-			mpol_put(mpol);	/* drop our ref on sb mpol */
-			NODEMASK_SCRATCH_FREE(scratch);
-			return;		/* no valid nodemask intersection */
-		}
+		if (IS_ERR(new))
+			goto put_free; /* no valid nodemask intersection */
 
 		task_lock(current);
 		ret = mpol_set_nodemask(new, &mpol->w.user_nodemask, scratch);
 		task_unlock(current);
 		mpol_put(mpol);	/* drop our ref on sb mpol */
-		if (ret) {
-			NODEMASK_SCRATCH_FREE(scratch);
-			mpol_put(new);
-			return;
-		}
+		if (ret)
+			goto put_free;
 
 		/* Create pseudo-vma that contains just the policy */
 		memset(&pvma, 0, sizeof(struct vm_area_struct));
 		pvma.vm_end = TASK_SIZE;	/* policy covers entire file */
 		mpol_set_shared_policy(sp, &pvma, new); /* adds ref */
+
+put_free:
 		mpol_put(new);			/* drop initial ref */
 		NODEMASK_SCRATCH_FREE(scratch);
 	}

From 971ada0f6659488c3f36aed4c6f7670ff5ce4368 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Mon, 24 May 2010 14:32:05 -0700
Subject: [PATCH 2994/3638] mempolicy: document cpuset interaction with tmpfs
 mpol mount option

Update Documentation/filesystems/tmpfs.txt to describe the interaction of
tmpfs mount option memory policy with tasks' cpuset mems_allowed.

Note: the mount(8) man page [in the util-linux-ng package] requires
similiar updates.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/filesystems/tmpfs.txt | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt
index fe09a2cb185..98ef5512415 100644
--- a/Documentation/filesystems/tmpfs.txt
+++ b/Documentation/filesystems/tmpfs.txt
@@ -94,11 +94,19 @@ NodeList format is a comma-separated list of decimal numbers and ranges,
 a range being two hyphen-separated decimal numbers, the smallest and
 largest node numbers in the range.  For example, mpol=bind:0-3,5,7,9-15
 
+A memory policy with a valid NodeList will be saved, as specified, for
+use at file creation time.  When a task allocates a file in the file
+system, the mount option memory policy will be applied with a NodeList,
+if any, modified by the calling task's cpuset constraints
+[See Documentation/cgroups/cpusets.txt] and any optional flags, listed
+below.  If the resulting NodeLists is the empty set, the effective memory
+policy for the file will revert to "default" policy.
+
 NUMA memory allocation policies have optional flags that can be used in
 conjunction with their modes.  These optional flags can be specified
 when tmpfs is mounted by appending them to the mode before the NodeList.
 See Documentation/vm/numa_memory_policy.txt for a list of all available
-memory allocation policy mode flags.
+memory allocation policy mode flags and their effect on memory policy.
 
 	=static		is equivalent to	MPOL_F_STATIC_NODES
 	=relative	is equivalent to	MPOL_F_RELATIVE_NODES

From 708c1bbc9d0c3e57f40501794d9b0eed29d10fce Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Mon, 24 May 2010 14:32:07 -0700
Subject: [PATCH 2995/3638] mempolicy: restructure rebinding-mempolicy
 functions

Nick Piggin reported that the allocator may see an empty nodemask when
changing cpuset's mems[1].  It happens only on the kernel that do not do
atomic nodemask_t stores.  (MAX_NUMNODES > BITS_PER_LONG)

But I found that there is also a problem on the kernel that can do atomic
nodemask_t stores.  The problem is that the allocator can't find a node to
alloc page when changing cpuset's mems though there is a lot of free
memory.  The reason is like this:

(mpol: mempolicy)
	task1			task1's mpol	task2
	alloc page		1
	  alloc on node0? NO	1
				1		change mems from 1 to 0
				1		rebind task1's mpol
				0-1		  set new bits
				0	  	  clear disallowed bits
	  alloc on node1? NO	0
	  ...
	can't alloc page
	  goto oom

I can use the attached program reproduce it by the following step:

# mkdir /dev/cpuset
# mount -t cpuset cpuset /dev/cpuset
# mkdir /dev/cpuset/1
# echo `cat /dev/cpuset/cpus` > /dev/cpuset/1/cpus
# echo `cat /dev/cpuset/mems` > /dev/cpuset/1/mems
# echo $$ > /dev/cpuset/1/tasks
# numactl --membind=`cat /dev/cpuset/mems` ./cpuset_mem_hog <nr_tasks> &
   <nr_tasks> = max(nr_cpus - 1, 1)
# killall -s SIGUSR1 cpuset_mem_hog
# ./change_mems.sh

several hours later, oom will happen though there is a lot of free memory.

This patchset fixes this problem by expanding the nodes range first(set
newly allowed bits) and shrink it lazily(clear newly disallowed bits).  So
we use a variable to tell the write-side task that read-side task is
reading nodemask, and the write-side task clears newly disallowed nodes
after read-side task ends the current memory allocation.

This patch:

In order to fix no node to alloc memory, when we want to update mempolicy
and mems_allowed, we expand the set of nodes first (set all the newly
nodes) and shrink the set of nodes lazily(clean disallowed nodes), But the
mempolicy's rebind functions may breaks the expanding.

So we restructure the mempolicy's rebind functions and split the rebind
work to two steps, just like the update of cpuset's mems: The 1st step:
expand the set of the mempolicy's nodes.  The 2nd step: shrink the set of
the mempolicy's nodes.  It is used when there is no real lock to protect
the mempolicy in the read-side.  Otherwise we can do rebind work at once.

In order to implement it, we define

	enum mpol_rebind_step {
		MPOL_REBIND_ONCE,
		MPOL_REBIND_STEP1,
		MPOL_REBIND_STEP2,
		MPOL_REBIND_NSTEP,
	};

If the mempolicy needn't be updated by two steps, we can pass
MPOL_REBIND_ONCE to the rebind functions.  Or we can pass
MPOL_REBIND_STEP1 to do the first step of the rebind work and pass
MPOL_REBIND_STEP2 to do the second step work.

Besides that, it maybe long time between these two step and we have to
release the lock that protects mempolicy and mems_allowed.  If we hold the
lock once again, we must check whether the current mempolicy is under the
rebinding (the first step has been done) or not, because the task may
alloc a new mempolicy when we don't hold the lock.  So we defined the
following flag to identify it:

#define MPOL_F_REBINDING (1 << 2)

The new functions will be used in the next patch.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Paul Menage <menage@google.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mempolicy.h |  15 ++++-
 kernel/cpuset.c           |   4 +-
 mm/mempolicy.c            | 124 ++++++++++++++++++++++++++++++++------
 3 files changed, 119 insertions(+), 24 deletions(-)

diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 1cc966cd3e5..7b9ef6bf45a 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -23,6 +23,13 @@ enum {
 	MPOL_MAX,	/* always last member of enum */
 };
 
+enum mpol_rebind_step {
+	MPOL_REBIND_ONCE,	/* do rebind work at once(not by two step) */
+	MPOL_REBIND_STEP1,	/* first step(set all the newly nodes) */
+	MPOL_REBIND_STEP2,	/* second step(clean all the disallowed nodes)*/
+	MPOL_REBIND_NSTEP,
+};
+
 /* Flags for set_mempolicy */
 #define MPOL_F_STATIC_NODES	(1 << 15)
 #define MPOL_F_RELATIVE_NODES	(1 << 14)
@@ -51,6 +58,7 @@ enum {
  */
 #define MPOL_F_SHARED  (1 << 0)	/* identify shared policies */
 #define MPOL_F_LOCAL   (1 << 1)	/* preferred local allocation */
+#define MPOL_F_REBINDING (1 << 2)	/* identify policies in rebinding */
 
 #ifdef __KERNEL__
 
@@ -193,8 +201,8 @@ struct mempolicy *mpol_shared_policy_lookup(struct shared_policy *sp,
 
 extern void numa_default_policy(void);
 extern void numa_policy_init(void);
-extern void mpol_rebind_task(struct task_struct *tsk,
-					const nodemask_t *new);
+extern void mpol_rebind_task(struct task_struct *tsk, const nodemask_t *new,
+				enum mpol_rebind_step step);
 extern void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new);
 extern void mpol_fix_fork_child_flag(struct task_struct *p);
 
@@ -308,7 +316,8 @@ static inline void numa_default_policy(void)
 }
 
 static inline void mpol_rebind_task(struct task_struct *tsk,
-					const nodemask_t *new)
+				const nodemask_t *new,
+				enum mpol_rebind_step step)
 {
 }
 
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 9a50c5f6e72..db0990ac3fa 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -953,8 +953,8 @@ static void cpuset_change_task_nodemask(struct task_struct *tsk,
 					nodemask_t *newmems)
 {
 	nodes_or(tsk->mems_allowed, tsk->mems_allowed, *newmems);
-	mpol_rebind_task(tsk, &tsk->mems_allowed);
-	mpol_rebind_task(tsk, newmems);
+	mpol_rebind_task(tsk, &tsk->mems_allowed, MPOL_REBIND_ONCE);
+	mpol_rebind_task(tsk, newmems, MPOL_REBIND_ONCE);
 	tsk->mems_allowed = *newmems;
 }
 
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 0c73c8b814c..8a993db8802 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -119,7 +119,22 @@ struct mempolicy default_policy = {
 
 static const struct mempolicy_operations {
 	int (*create)(struct mempolicy *pol, const nodemask_t *nodes);
-	void (*rebind)(struct mempolicy *pol, const nodemask_t *nodes);
+	/*
+	 * If read-side task has no lock to protect task->mempolicy, write-side
+	 * task will rebind the task->mempolicy by two step. The first step is
+	 * setting all the newly nodes, and the second step is cleaning all the
+	 * disallowed nodes. In this way, we can avoid finding no node to alloc
+	 * page.
+	 * If we have a lock to protect task->mempolicy in read-side, we do
+	 * rebind directly.
+	 *
+	 * step:
+	 * 	MPOL_REBIND_ONCE - do rebind work at once
+	 * 	MPOL_REBIND_STEP1 - set all the newly nodes
+	 * 	MPOL_REBIND_STEP2 - clean all the disallowed nodes
+	 */
+	void (*rebind)(struct mempolicy *pol, const nodemask_t *nodes,
+			enum mpol_rebind_step step);
 } mpol_ops[MPOL_MAX];
 
 /* Check that the nodemask contains at least one populated zone */
@@ -274,12 +289,19 @@ void __mpol_put(struct mempolicy *p)
 	kmem_cache_free(policy_cache, p);
 }
 
-static void mpol_rebind_default(struct mempolicy *pol, const nodemask_t *nodes)
+static void mpol_rebind_default(struct mempolicy *pol, const nodemask_t *nodes,
+				enum mpol_rebind_step step)
 {
 }
 
-static void mpol_rebind_nodemask(struct mempolicy *pol,
-				 const nodemask_t *nodes)
+/*
+ * step:
+ * 	MPOL_REBIND_ONCE  - do rebind work at once
+ * 	MPOL_REBIND_STEP1 - set all the newly nodes
+ * 	MPOL_REBIND_STEP2 - clean all the disallowed nodes
+ */
+static void mpol_rebind_nodemask(struct mempolicy *pol, const nodemask_t *nodes,
+				 enum mpol_rebind_step step)
 {
 	nodemask_t tmp;
 
@@ -288,12 +310,31 @@ static void mpol_rebind_nodemask(struct mempolicy *pol,
 	else if (pol->flags & MPOL_F_RELATIVE_NODES)
 		mpol_relative_nodemask(&tmp, &pol->w.user_nodemask, nodes);
 	else {
-		nodes_remap(tmp, pol->v.nodes, pol->w.cpuset_mems_allowed,
-			    *nodes);
-		pol->w.cpuset_mems_allowed = *nodes;
+		/*
+		 * if step == 1, we use ->w.cpuset_mems_allowed to cache the
+		 * result
+		 */
+		if (step == MPOL_REBIND_ONCE || step == MPOL_REBIND_STEP1) {
+			nodes_remap(tmp, pol->v.nodes,
+					pol->w.cpuset_mems_allowed, *nodes);
+			pol->w.cpuset_mems_allowed = step ? tmp : *nodes;
+		} else if (step == MPOL_REBIND_STEP2) {
+			tmp = pol->w.cpuset_mems_allowed;
+			pol->w.cpuset_mems_allowed = *nodes;
+		} else
+			BUG();
 	}
 
-	pol->v.nodes = tmp;
+	if (nodes_empty(tmp))
+		tmp = *nodes;
+
+	if (step == MPOL_REBIND_STEP1)
+		nodes_or(pol->v.nodes, pol->v.nodes, tmp);
+	else if (step == MPOL_REBIND_ONCE || step == MPOL_REBIND_STEP2)
+		pol->v.nodes = tmp;
+	else
+		BUG();
+
 	if (!node_isset(current->il_next, tmp)) {
 		current->il_next = next_node(current->il_next, tmp);
 		if (current->il_next >= MAX_NUMNODES)
@@ -304,7 +345,8 @@ static void mpol_rebind_nodemask(struct mempolicy *pol,
 }
 
 static void mpol_rebind_preferred(struct mempolicy *pol,
-				  const nodemask_t *nodes)
+				  const nodemask_t *nodes,
+				  enum mpol_rebind_step step)
 {
 	nodemask_t tmp;
 
@@ -327,16 +369,45 @@ static void mpol_rebind_preferred(struct mempolicy *pol,
 	}
 }
 
-/* Migrate a policy to a different set of nodes */
-static void mpol_rebind_policy(struct mempolicy *pol,
-			       const nodemask_t *newmask)
+/*
+ * mpol_rebind_policy - Migrate a policy to a different set of nodes
+ *
+ * If read-side task has no lock to protect task->mempolicy, write-side
+ * task will rebind the task->mempolicy by two step. The first step is
+ * setting all the newly nodes, and the second step is cleaning all the
+ * disallowed nodes. In this way, we can avoid finding no node to alloc
+ * page.
+ * If we have a lock to protect task->mempolicy in read-side, we do
+ * rebind directly.
+ *
+ * step:
+ * 	MPOL_REBIND_ONCE  - do rebind work at once
+ * 	MPOL_REBIND_STEP1 - set all the newly nodes
+ * 	MPOL_REBIND_STEP2 - clean all the disallowed nodes
+ */
+static void mpol_rebind_policy(struct mempolicy *pol, const nodemask_t *newmask,
+				enum mpol_rebind_step step)
 {
 	if (!pol)
 		return;
-	if (!mpol_store_user_nodemask(pol) &&
+	if (!mpol_store_user_nodemask(pol) && step == 0 &&
 	    nodes_equal(pol->w.cpuset_mems_allowed, *newmask))
 		return;
-	mpol_ops[pol->mode].rebind(pol, newmask);
+
+	if (step == MPOL_REBIND_STEP1 && (pol->flags & MPOL_F_REBINDING))
+		return;
+
+	if (step == MPOL_REBIND_STEP2 && !(pol->flags & MPOL_F_REBINDING))
+		BUG();
+
+	if (step == MPOL_REBIND_STEP1)
+		pol->flags |= MPOL_F_REBINDING;
+	else if (step == MPOL_REBIND_STEP2)
+		pol->flags &= ~MPOL_F_REBINDING;
+	else if (step >= MPOL_REBIND_NSTEP)
+		BUG();
+
+	mpol_ops[pol->mode].rebind(pol, newmask, step);
 }
 
 /*
@@ -346,9 +417,10 @@ static void mpol_rebind_policy(struct mempolicy *pol,
  * Called with task's alloc_lock held.
  */
 
-void mpol_rebind_task(struct task_struct *tsk, const nodemask_t *new)
+void mpol_rebind_task(struct task_struct *tsk, const nodemask_t *new,
+			enum mpol_rebind_step step)
 {
-	mpol_rebind_policy(tsk->mempolicy, new);
+	mpol_rebind_policy(tsk->mempolicy, new, step);
 }
 
 /*
@@ -363,7 +435,7 @@ void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new)
 
 	down_write(&mm->mmap_sem);
 	for (vma = mm->mmap; vma; vma = vma->vm_next)
-		mpol_rebind_policy(vma->vm_policy, new);
+		mpol_rebind_policy(vma->vm_policy, new, MPOL_REBIND_ONCE);
 	up_write(&mm->mmap_sem);
 }
 
@@ -1745,6 +1817,9 @@ EXPORT_SYMBOL(alloc_pages_current);
  * with the mems_allowed returned by cpuset_mems_allowed().  This
  * keeps mempolicies cpuset relative after its cpuset moves.  See
  * further kernel/cpuset.c update_nodemask().
+ *
+ * current's mempolicy may be rebinded by the other task(the task that changes
+ * cpuset's mems), so we needn't do rebind work for current task.
  */
 
 /* Slow path of a mempolicy duplicate */
@@ -1754,13 +1829,24 @@ struct mempolicy *__mpol_dup(struct mempolicy *old)
 
 	if (!new)
 		return ERR_PTR(-ENOMEM);
+
+	/* task's mempolicy is protected by alloc_lock */
+	if (old == current->mempolicy) {
+		task_lock(current);
+		*new = *old;
+		task_unlock(current);
+	} else
+		*new = *old;
+
 	rcu_read_lock();
 	if (current_cpuset_is_being_rebound()) {
 		nodemask_t mems = cpuset_mems_allowed(current);
-		mpol_rebind_policy(old, &mems);
+		if (new->flags & MPOL_F_REBINDING)
+			mpol_rebind_policy(new, &mems, MPOL_REBIND_STEP2);
+		else
+			mpol_rebind_policy(new, &mems, MPOL_REBIND_ONCE);
 	}
 	rcu_read_unlock();
-	*new = *old;
 	atomic_set(&new->refcnt, 1);
 	return new;
 }

From c0ff7453bb5c7c98e0885fb94279f2571946f280 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Mon, 24 May 2010 14:32:08 -0700
Subject: [PATCH 2996/3638] cpuset,mm: fix no node to alloc memory when
 changing cpuset's mems

Before applying this patch, cpuset updates task->mems_allowed and
mempolicy by setting all new bits in the nodemask first, and clearing all
old unallowed bits later.  But in the way, the allocator may find that
there is no node to alloc memory.

The reason is that cpuset rebinds the task's mempolicy, it cleans the
nodes which the allocater can alloc pages on, for example:

(mpol: mempolicy)
	task1			task1's mpol	task2
	alloc page		1
	  alloc on node0? NO	1
				1		change mems from 1 to 0
				1		rebind task1's mpol
				0-1		  set new bits
				0	  	  clear disallowed bits
	  alloc on node1? NO	0
	  ...
	can't alloc page
	  goto oom

This patch fixes this problem by expanding the nodes range first(set newly
allowed bits) and shrink it lazily(clear newly disallowed bits).  So we
use a variable to tell the write-side task that read-side task is reading
nodemask, and the write-side task clears newly disallowed nodes after
read-side task ends the current memory allocation.

[akpm@linux-foundation.org: fix spello]
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Paul Menage <menage@google.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/cpuset.h | 43 +++++++++++++++++++++++++++++++
 include/linux/sched.h  |  1 +
 kernel/cpuset.c        | 58 ++++++++++++++++++++++++++++++++++++------
 kernel/exit.c          |  2 ++
 mm/filemap.c           | 10 ++++++--
 mm/hugetlb.c           | 12 ++++++---
 mm/mempolicy.c         | 24 ++++++++++++++---
 mm/page_alloc.c        |  6 ++++-
 mm/slab.c              |  4 +++
 mm/slub.c              |  6 ++++-
 mm/vmscan.c            |  2 ++
 11 files changed, 148 insertions(+), 20 deletions(-)

diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index a73454aec33..20b51cab659 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -86,9 +86,44 @@ extern void rebuild_sched_domains(void);
 
 extern void cpuset_print_task_mems_allowed(struct task_struct *p);
 
+/*
+ * reading current mems_allowed and mempolicy in the fastpath must protected
+ * by get_mems_allowed()
+ */
+static inline void get_mems_allowed(void)
+{
+	current->mems_allowed_change_disable++;
+
+	/*
+	 * ensure that reading mems_allowed and mempolicy happens after the
+	 * update of ->mems_allowed_change_disable.
+	 *
+	 * the write-side task finds ->mems_allowed_change_disable is not 0,
+	 * and knows the read-side task is reading mems_allowed or mempolicy,
+	 * so it will clear old bits lazily.
+	 */
+	smp_mb();
+}
+
+static inline void put_mems_allowed(void)
+{
+	/*
+	 * ensure that reading mems_allowed and mempolicy before reducing
+	 * mems_allowed_change_disable.
+	 *
+	 * the write-side task will know that the read-side task is still
+	 * reading mems_allowed or mempolicy, don't clears old bits in the
+	 * nodemask.
+	 */
+	smp_mb();
+	--ACCESS_ONCE(current->mems_allowed_change_disable);
+}
+
 static inline void set_mems_allowed(nodemask_t nodemask)
 {
+	task_lock(current);
 	current->mems_allowed = nodemask;
+	task_unlock(current);
 }
 
 #else /* !CONFIG_CPUSETS */
@@ -187,6 +222,14 @@ static inline void set_mems_allowed(nodemask_t nodemask)
 {
 }
 
+static inline void get_mems_allowed(void)
+{
+}
+
+static inline void put_mems_allowed(void)
+{
+}
+
 #endif /* !CONFIG_CPUSETS */
 
 #endif /* _LINUX_CPUSET_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index b55e988988b..415b8f8a3f4 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1421,6 +1421,7 @@ struct task_struct {
 #endif
 #ifdef CONFIG_CPUSETS
 	nodemask_t mems_allowed;	/* Protected by alloc_lock */
+	int mems_allowed_change_disable;
 	int cpuset_mem_spread_rotor;
 #endif
 #ifdef CONFIG_CGROUPS
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index db0990ac3fa..61d6af7fa67 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -946,16 +946,62 @@ static void cpuset_migrate_mm(struct mm_struct *mm, const nodemask_t *from,
  * In order to avoid seeing no nodes if the old and new nodes are disjoint,
  * we structure updates as setting all new allowed nodes, then clearing newly
  * disallowed ones.
- *
- * Called with task's alloc_lock held
  */
 static void cpuset_change_task_nodemask(struct task_struct *tsk,
 					nodemask_t *newmems)
 {
+repeat:
+	/*
+	 * Allow tasks that have access to memory reserves because they have
+	 * been OOM killed to get memory anywhere.
+	 */
+	if (unlikely(test_thread_flag(TIF_MEMDIE)))
+		return;
+	if (current->flags & PF_EXITING) /* Let dying task have memory */
+		return;
+
+	task_lock(tsk);
 	nodes_or(tsk->mems_allowed, tsk->mems_allowed, *newmems);
-	mpol_rebind_task(tsk, &tsk->mems_allowed, MPOL_REBIND_ONCE);
-	mpol_rebind_task(tsk, newmems, MPOL_REBIND_ONCE);
+	mpol_rebind_task(tsk, newmems, MPOL_REBIND_STEP1);
+
+
+	/*
+	 * ensure checking ->mems_allowed_change_disable after setting all new
+	 * allowed nodes.
+	 *
+	 * the read-side task can see an nodemask with new allowed nodes and
+	 * old allowed nodes. and if it allocates page when cpuset clears newly
+	 * disallowed ones continuous, it can see the new allowed bits.
+	 *
+	 * And if setting all new allowed nodes is after the checking, setting
+	 * all new allowed nodes and clearing newly disallowed ones will be done
+	 * continuous, and the read-side task may find no node to alloc page.
+	 */
+	smp_mb();
+
+	/*
+	 * Allocation of memory is very fast, we needn't sleep when waiting
+	 * for the read-side.
+	 */
+	while (ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
+		task_unlock(tsk);
+		if (!task_curr(tsk))
+			yield();
+		goto repeat;
+	}
+
+	/*
+	 * ensure checking ->mems_allowed_change_disable before clearing all new
+	 * disallowed nodes.
+	 *
+	 * if clearing newly disallowed bits before the checking, the read-side
+	 * task may find no node to alloc page.
+	 */
+	smp_mb();
+
+	mpol_rebind_task(tsk, newmems, MPOL_REBIND_STEP2);
 	tsk->mems_allowed = *newmems;
+	task_unlock(tsk);
 }
 
 /*
@@ -978,9 +1024,7 @@ static void cpuset_change_nodemask(struct task_struct *p,
 	cs = cgroup_cs(scan->cg);
 	guarantee_online_mems(cs, newmems);
 
-	task_lock(p);
 	cpuset_change_task_nodemask(p, newmems);
-	task_unlock(p);
 
 	NODEMASK_FREE(newmems);
 
@@ -1383,9 +1427,7 @@ static void cpuset_attach_task(struct task_struct *tsk, nodemask_t *to,
 	err = set_cpus_allowed_ptr(tsk, cpus_attach);
 	WARN_ON_ONCE(err);
 
-	task_lock(tsk);
 	cpuset_change_task_nodemask(tsk, to);
-	task_unlock(tsk);
 	cpuset_update_task_spread_flag(cs, tsk);
 
 }
diff --git a/kernel/exit.c b/kernel/exit.c
index eabca5a73a8..019a2843bf9 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1002,8 +1002,10 @@ NORET_TYPE void do_exit(long code)
 
 	exit_notify(tsk, group_dead);
 #ifdef CONFIG_NUMA
+	task_lock(tsk);
 	mpol_put(tsk->mempolicy);
 	tsk->mempolicy = NULL;
+	task_unlock(tsk);
 #endif
 #ifdef CONFIG_FUTEX
 	if (unlikely(current->pi_state_cache))
diff --git a/mm/filemap.c b/mm/filemap.c
index d6f4f073836..88d719665a2 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -461,9 +461,15 @@ EXPORT_SYMBOL_GPL(add_to_page_cache_lru);
 #ifdef CONFIG_NUMA
 struct page *__page_cache_alloc(gfp_t gfp)
 {
+	int n;
+	struct page *page;
+
 	if (cpuset_do_page_mem_spread()) {
-		int n = cpuset_mem_spread_node();
-		return alloc_pages_exact_node(n, gfp, 0);
+		get_mems_allowed();
+		n = cpuset_mem_spread_node();
+		page = alloc_pages_exact_node(n, gfp, 0);
+		put_mems_allowed();
+		return page;
 	}
 	return alloc_pages(gfp, 0);
 }
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 4c9e6bbf377..54d42b009db 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -465,11 +465,13 @@ static struct page *dequeue_huge_page_vma(struct hstate *h,
 	struct page *page = NULL;
 	struct mempolicy *mpol;
 	nodemask_t *nodemask;
-	struct zonelist *zonelist = huge_zonelist(vma, address,
-					htlb_alloc_mask, &mpol, &nodemask);
+	struct zonelist *zonelist;
 	struct zone *zone;
 	struct zoneref *z;
 
+	get_mems_allowed();
+	zonelist = huge_zonelist(vma, address,
+					htlb_alloc_mask, &mpol, &nodemask);
 	/*
 	 * A child process with MAP_PRIVATE mappings created by their parent
 	 * have no page reserves. This check ensures that reservations are
@@ -477,11 +479,11 @@ static struct page *dequeue_huge_page_vma(struct hstate *h,
 	 */
 	if (!vma_has_reserves(vma) &&
 			h->free_huge_pages - h->resv_huge_pages == 0)
-		return NULL;
+		goto err;
 
 	/* If reserves cannot be used, ensure enough pages are in the pool */
 	if (avoid_reserve && h->free_huge_pages - h->resv_huge_pages == 0)
-		return NULL;
+		goto err;;
 
 	for_each_zone_zonelist_nodemask(zone, z, zonelist,
 						MAX_NR_ZONES - 1, nodemask) {
@@ -500,7 +502,9 @@ static struct page *dequeue_huge_page_vma(struct hstate *h,
 			break;
 		}
 	}
+err:
 	mpol_cond_put(mpol);
+	put_mems_allowed();
 	return page;
 }
 
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 8a993db8802..721b2b33803 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1639,6 +1639,8 @@ static inline unsigned interleave_nid(struct mempolicy *pol,
  * to the struct mempolicy for conditional unref after allocation.
  * If the effective policy is 'BIND, returns a pointer to the mempolicy's
  * @nodemask for filtering the zonelist.
+ *
+ * Must be protected by get_mems_allowed()
  */
 struct zonelist *huge_zonelist(struct vm_area_struct *vma, unsigned long addr,
 				gfp_t gfp_flags, struct mempolicy **mpol,
@@ -1684,6 +1686,7 @@ bool init_nodemask_of_mempolicy(nodemask_t *mask)
 	if (!(mask && current->mempolicy))
 		return false;
 
+	task_lock(current);
 	mempolicy = current->mempolicy;
 	switch (mempolicy->mode) {
 	case MPOL_PREFERRED:
@@ -1703,6 +1706,7 @@ bool init_nodemask_of_mempolicy(nodemask_t *mask)
 	default:
 		BUG();
 	}
+	task_unlock(current);
 
 	return true;
 }
@@ -1750,13 +1754,17 @@ alloc_page_vma(gfp_t gfp, struct vm_area_struct *vma, unsigned long addr)
 {
 	struct mempolicy *pol = get_vma_policy(current, vma, addr);
 	struct zonelist *zl;
+	struct page *page;
 
+	get_mems_allowed();
 	if (unlikely(pol->mode == MPOL_INTERLEAVE)) {
 		unsigned nid;
 
 		nid = interleave_nid(pol, vma, addr, PAGE_SHIFT);
 		mpol_cond_put(pol);
-		return alloc_page_interleave(gfp, 0, nid);
+		page = alloc_page_interleave(gfp, 0, nid);
+		put_mems_allowed();
+		return page;
 	}
 	zl = policy_zonelist(gfp, pol);
 	if (unlikely(mpol_needs_cond_ref(pol))) {
@@ -1766,12 +1774,15 @@ alloc_page_vma(gfp_t gfp, struct vm_area_struct *vma, unsigned long addr)
 		struct page *page =  __alloc_pages_nodemask(gfp, 0,
 						zl, policy_nodemask(gfp, pol));
 		__mpol_put(pol);
+		put_mems_allowed();
 		return page;
 	}
 	/*
 	 * fast path:  default or task policy
 	 */
-	return __alloc_pages_nodemask(gfp, 0, zl, policy_nodemask(gfp, pol));
+	page = __alloc_pages_nodemask(gfp, 0, zl, policy_nodemask(gfp, pol));
+	put_mems_allowed();
+	return page;
 }
 
 /**
@@ -1796,18 +1807,23 @@ alloc_page_vma(gfp_t gfp, struct vm_area_struct *vma, unsigned long addr)
 struct page *alloc_pages_current(gfp_t gfp, unsigned order)
 {
 	struct mempolicy *pol = current->mempolicy;
+	struct page *page;
 
 	if (!pol || in_interrupt() || (gfp & __GFP_THISNODE))
 		pol = &default_policy;
 
+	get_mems_allowed();
 	/*
 	 * No reference counting needed for current->mempolicy
 	 * nor system default_policy
 	 */
 	if (pol->mode == MPOL_INTERLEAVE)
-		return alloc_page_interleave(gfp, order, interleave_nodes(pol));
-	return __alloc_pages_nodemask(gfp, order,
+		page = alloc_page_interleave(gfp, order, interleave_nodes(pol));
+	else
+		page = __alloc_pages_nodemask(gfp, order,
 			policy_zonelist(gfp, pol), policy_nodemask(gfp, pol));
+	put_mems_allowed();
+	return page;
 }
 EXPORT_SYMBOL(alloc_pages_current);
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 596180fedd3..f7da2a2934b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1990,10 +1990,13 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
 	if (unlikely(!zonelist->_zonerefs->zone))
 		return NULL;
 
+	get_mems_allowed();
 	/* The preferred zone is used for statistics later */
 	first_zones_zonelist(zonelist, high_zoneidx, nodemask, &preferred_zone);
-	if (!preferred_zone)
+	if (!preferred_zone) {
+		put_mems_allowed();
 		return NULL;
+	}
 
 	/* First allocation attempt */
 	page = get_page_from_freelist(gfp_mask|__GFP_HARDWALL, nodemask, order,
@@ -2003,6 +2006,7 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
 		page = __alloc_pages_slowpath(gfp_mask, order,
 				zonelist, high_zoneidx, nodemask,
 				preferred_zone, migratetype);
+	put_mems_allowed();
 
 	trace_mm_page_alloc(page, order, gfp_mask, migratetype);
 	return page;
diff --git a/mm/slab.c b/mm/slab.c
index 50a73fca19c..02786e1a32d 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3217,10 +3217,12 @@ static void *alternate_node_alloc(struct kmem_cache *cachep, gfp_t flags)
 	if (in_interrupt() || (flags & __GFP_THISNODE))
 		return NULL;
 	nid_alloc = nid_here = numa_node_id();
+	get_mems_allowed();
 	if (cpuset_do_slab_mem_spread() && (cachep->flags & SLAB_MEM_SPREAD))
 		nid_alloc = cpuset_mem_spread_node();
 	else if (current->mempolicy)
 		nid_alloc = slab_node(current->mempolicy);
+	put_mems_allowed();
 	if (nid_alloc != nid_here)
 		return ____cache_alloc_node(cachep, flags, nid_alloc);
 	return NULL;
@@ -3247,6 +3249,7 @@ static void *fallback_alloc(struct kmem_cache *cache, gfp_t flags)
 	if (flags & __GFP_THISNODE)
 		return NULL;
 
+	get_mems_allowed();
 	zonelist = node_zonelist(slab_node(current->mempolicy), flags);
 	local_flags = flags & (GFP_CONSTRAINT_MASK|GFP_RECLAIM_MASK);
 
@@ -3302,6 +3305,7 @@ retry:
 			}
 		}
 	}
+	put_mems_allowed();
 	return obj;
 }
 
diff --git a/mm/slub.c b/mm/slub.c
index e46e3129697..26f0cb9cc58 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1360,6 +1360,7 @@ static struct page *get_any_partial(struct kmem_cache *s, gfp_t flags)
 			get_cycles() % 1024 > s->remote_node_defrag_ratio)
 		return NULL;
 
+	get_mems_allowed();
 	zonelist = node_zonelist(slab_node(current->mempolicy), flags);
 	for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
 		struct kmem_cache_node *n;
@@ -1369,10 +1370,13 @@ static struct page *get_any_partial(struct kmem_cache *s, gfp_t flags)
 		if (n && cpuset_zone_allowed_hardwall(zone, flags) &&
 				n->nr_partial > s->min_partial) {
 			page = get_partial_node(n);
-			if (page)
+			if (page) {
+				put_mems_allowed();
 				return page;
+			}
 		}
 	}
+	put_mems_allowed();
 #endif
 	return NULL;
 }
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 3ff3311447f..f2c367c9ec1 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1774,6 +1774,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
 	enum zone_type high_zoneidx = gfp_zone(sc->gfp_mask);
 	unsigned long writeback_threshold;
 
+	get_mems_allowed();
 	delayacct_freepages_start();
 
 	if (scanning_global_lru(sc))
@@ -1857,6 +1858,7 @@ out:
 		mem_cgroup_record_reclaim_priority(sc->mem_cgroup, priority);
 
 	delayacct_freepages_end();
+	put_mems_allowed();
 
 	return ret;
 }

From 6a60f1b3588aef6ddceaa14192df475d430cce45 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Mon, 24 May 2010 14:32:09 -0700
Subject: [PATCH 2997/3638] mincore: cleanups

This fixes some minor issues that bugged me while going over the code:

o adjust argument order of do_mincore() to match the syscall
o simplify range length calculation
o drop superfluous shift in huge tlb calculation, address is page aligned
o drop dead nr_huge calculation
o check pte_none() before pte_present()
o comment and whitespace fixes

No semantic changes intended.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mincore.c | 76 +++++++++++++++++++---------------------------------
 1 file changed, 27 insertions(+), 49 deletions(-)

diff --git a/mm/mincore.c b/mm/mincore.c
index f77433c2027..1f6574c5167 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -54,7 +54,7 @@ static unsigned char mincore_page(struct address_space *mapping, pgoff_t pgoff)
  * all the arguments, we hold the mmap semaphore: we should
  * just return the amount of info we're asked for.
  */
-static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pages)
+static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *vec)
 {
 	pgd_t *pgd;
 	pud_t *pud;
@@ -64,35 +64,29 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag
 	unsigned long nr;
 	int i;
 	pgoff_t pgoff;
-	struct vm_area_struct *vma = find_vma(current->mm, addr);
+	struct vm_area_struct *vma;
 
-	/*
-	 * find_vma() didn't find anything above us, or we're
-	 * in an unmapped hole in the address space: ENOMEM.
-	 */
+	vma = find_vma(current->mm, addr);
 	if (!vma || addr < vma->vm_start)
 		return -ENOMEM;
 
+	nr = min(pages, (vma->vm_end - addr) >> PAGE_SHIFT);
+
 #ifdef CONFIG_HUGETLB_PAGE
 	if (is_vm_hugetlb_page(vma)) {
 		struct hstate *h;
-		unsigned long nr_huge;
-		unsigned char present;
 
 		i = 0;
-		nr = min(pages, (vma->vm_end - addr) >> PAGE_SHIFT);
 		h = hstate_vma(vma);
-		nr_huge = ((addr + pages * PAGE_SIZE - 1) >> huge_page_shift(h))
-			  - (addr >> huge_page_shift(h)) + 1;
-		nr_huge = min(nr_huge,
-			      (vma->vm_end - addr) >> huge_page_shift(h));
 		while (1) {
-			/* hugepage always in RAM for now,
-			 * but generally it needs to be check */
+			unsigned char present;
+			/*
+			 * Huge pages are always in RAM for now, but
+			 * theoretically it needs to be checked.
+			 */
 			ptep = huge_pte_offset(current->mm,
 					       addr & huge_page_mask(h));
-			present = !!(ptep &&
-				     !huge_pte_none(huge_ptep_get(ptep)));
+			present = ptep && !huge_pte_none(huge_ptep_get(ptep));
 			while (1) {
 				vec[i++] = present;
 				addr += PAGE_SIZE;
@@ -100,8 +94,7 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag
 				if (i == nr)
 					return nr;
 				/* check hugepage border */
-				if (!((addr & ~huge_page_mask(h))
-				      >> PAGE_SHIFT))
+				if (!(addr & ~huge_page_mask(h)))
 					break;
 			}
 		}
@@ -113,17 +106,7 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag
 	 * Calculate how many pages there are left in the last level of the
 	 * PTE array for our address.
 	 */
-	nr = PTRS_PER_PTE - ((addr >> PAGE_SHIFT) & (PTRS_PER_PTE-1));
-
-	/*
-	 * Don't overrun this vma
-	 */
-	nr = min(nr, (vma->vm_end - addr) >> PAGE_SHIFT);
-
-	/*
-	 * Don't return more than the caller asked for
-	 */
-	nr = min(nr, pages);
+	nr = min(nr, PTRS_PER_PTE - ((addr >> PAGE_SHIFT) & (PTRS_PER_PTE-1)));
 
 	pgd = pgd_offset(vma->vm_mm, addr);
 	if (pgd_none_or_clear_bad(pgd))
@@ -137,43 +120,38 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag
 
 	ptep = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
 	for (i = 0; i < nr; i++, ptep++, addr += PAGE_SIZE) {
-		unsigned char present;
 		pte_t pte = *ptep;
 
-		if (pte_present(pte)) {
-			present = 1;
-
-		} else if (pte_none(pte)) {
+		if (pte_none(pte)) {
 			if (vma->vm_file) {
 				pgoff = linear_page_index(vma, addr);
-				present = mincore_page(vma->vm_file->f_mapping,
-							pgoff);
+				vec[i] = mincore_page(vma->vm_file->f_mapping,
+						pgoff);
 			} else
-				present = 0;
-
-		} else if (pte_file(pte)) {
+				vec[i] = 0;
+		} else if (pte_present(pte))
+			vec[i] = 1;
+		else if (pte_file(pte)) {
 			pgoff = pte_to_pgoff(pte);
-			present = mincore_page(vma->vm_file->f_mapping, pgoff);
-
+			vec[i] = mincore_page(vma->vm_file->f_mapping, pgoff);
 		} else { /* pte is a swap entry */
 			swp_entry_t entry = pte_to_swp_entry(pte);
+
 			if (is_migration_entry(entry)) {
 				/* migration entries are always uptodate */
-				present = 1;
+				vec[i] = 1;
 			} else {
 #ifdef CONFIG_SWAP
 				pgoff = entry.val;
-				present = mincore_page(&swapper_space, pgoff);
+				vec[i] = mincore_page(&swapper_space, pgoff);
 #else
 				WARN_ON(1);
-				present = 1;
+				vec[i] = 1;
 #endif
 			}
 		}
-
-		vec[i] = present;
 	}
-	pte_unmap_unlock(ptep-1, ptl);
+	pte_unmap_unlock(ptep - 1, ptl);
 
 	return nr;
 
@@ -247,7 +225,7 @@ SYSCALL_DEFINE3(mincore, unsigned long, start, size_t, len,
 		 * the temporary buffer size.
 		 */
 		down_read(&current->mm->mmap_sem);
-		retval = do_mincore(start, tmp, min(pages, PAGE_SIZE));
+		retval = do_mincore(start, min(pages, PAGE_SIZE), tmp);
 		up_read(&current->mm->mmap_sem);
 
 		if (retval <= 0)

From f488401076c5570130c018e573f450a9a6c43365 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Mon, 24 May 2010 14:32:10 -0700
Subject: [PATCH 2998/3638] mincore: break do_mincore() into logical pieces

Split out functions to handle hugetlb ranges, pte ranges and unmapped
ranges, to improve readability but also to prepare the file structure for
nested page table walks.

No semantic changes intended.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mincore.c | 181 +++++++++++++++++++++++++++++----------------------
 1 file changed, 102 insertions(+), 79 deletions(-)

diff --git a/mm/mincore.c b/mm/mincore.c
index 1f6574c5167..a0c4c10bbab 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -19,6 +19,42 @@
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 
+static void mincore_hugetlb_page_range(struct vm_area_struct *vma,
+				unsigned long addr, unsigned long nr,
+				unsigned char *vec)
+{
+#ifdef CONFIG_HUGETLB_PAGE
+	struct hstate *h;
+	int i;
+
+	i = 0;
+	h = hstate_vma(vma);
+	while (1) {
+		unsigned char present;
+		pte_t *ptep;
+		/*
+		 * Huge pages are always in RAM for now, but
+		 * theoretically it needs to be checked.
+		 */
+		ptep = huge_pte_offset(current->mm,
+				       addr & huge_page_mask(h));
+		present = ptep && !huge_pte_none(huge_ptep_get(ptep));
+		while (1) {
+			vec[i++] = present;
+			addr += PAGE_SIZE;
+			/* reach buffer limit */
+			if (i == nr)
+				return;
+			/* check hugepage border */
+			if (!(addr & ~huge_page_mask(h)))
+				break;
+		}
+	}
+#else
+	BUG();
+#endif
+}
+
 /*
  * Later we can get more picky about what "in core" means precisely.
  * For now, simply check to see if the page is in the page cache,
@@ -49,87 +85,40 @@ static unsigned char mincore_page(struct address_space *mapping, pgoff_t pgoff)
 	return present;
 }
 
-/*
- * Do a chunk of "sys_mincore()". We've already checked
- * all the arguments, we hold the mmap semaphore: we should
- * just return the amount of info we're asked for.
- */
-static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *vec)
+static void mincore_unmapped_range(struct vm_area_struct *vma,
+				unsigned long addr, unsigned long nr,
+				unsigned char *vec)
 {
-	pgd_t *pgd;
-	pud_t *pud;
-	pmd_t *pmd;
-	pte_t *ptep;
-	spinlock_t *ptl;
-	unsigned long nr;
 	int i;
-	pgoff_t pgoff;
-	struct vm_area_struct *vma;
 
-	vma = find_vma(current->mm, addr);
-	if (!vma || addr < vma->vm_start)
-		return -ENOMEM;
+	if (vma->vm_file) {
+		pgoff_t pgoff;
 
-	nr = min(pages, (vma->vm_end - addr) >> PAGE_SHIFT);
-
-#ifdef CONFIG_HUGETLB_PAGE
-	if (is_vm_hugetlb_page(vma)) {
-		struct hstate *h;
-
-		i = 0;
-		h = hstate_vma(vma);
-		while (1) {
-			unsigned char present;
-			/*
-			 * Huge pages are always in RAM for now, but
-			 * theoretically it needs to be checked.
-			 */
-			ptep = huge_pte_offset(current->mm,
-					       addr & huge_page_mask(h));
-			present = ptep && !huge_pte_none(huge_ptep_get(ptep));
-			while (1) {
-				vec[i++] = present;
-				addr += PAGE_SIZE;
-				/* reach buffer limit */
-				if (i == nr)
-					return nr;
-				/* check hugepage border */
-				if (!(addr & ~huge_page_mask(h)))
-					break;
-			}
-		}
-		return nr;
+		pgoff = linear_page_index(vma, addr);
+		for (i = 0; i < nr; i++, pgoff++)
+			vec[i] = mincore_page(vma->vm_file->f_mapping, pgoff);
+	} else {
+		for (i = 0; i < nr; i++)
+			vec[i] = 0;
 	}
-#endif
+}
 
-	/*
-	 * Calculate how many pages there are left in the last level of the
-	 * PTE array for our address.
-	 */
-	nr = min(nr, PTRS_PER_PTE - ((addr >> PAGE_SHIFT) & (PTRS_PER_PTE-1)));
-
-	pgd = pgd_offset(vma->vm_mm, addr);
-	if (pgd_none_or_clear_bad(pgd))
-		goto none_mapped;
-	pud = pud_offset(pgd, addr);
-	if (pud_none_or_clear_bad(pud))
-		goto none_mapped;
-	pmd = pmd_offset(pud, addr);
-	if (pmd_none_or_clear_bad(pmd))
-		goto none_mapped;
+static void mincore_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
+			unsigned long addr, unsigned long nr,
+			unsigned char *vec)
+{
+	spinlock_t *ptl;
+	pte_t *ptep;
+	int i;
 
 	ptep = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
 	for (i = 0; i < nr; i++, ptep++, addr += PAGE_SIZE) {
 		pte_t pte = *ptep;
+		pgoff_t pgoff;
 
-		if (pte_none(pte)) {
-			if (vma->vm_file) {
-				pgoff = linear_page_index(vma, addr);
-				vec[i] = mincore_page(vma->vm_file->f_mapping,
-						pgoff);
-			} else
-				vec[i] = 0;
-		} else if (pte_present(pte))
+		if (pte_none(pte))
+			mincore_unmapped_range(vma, addr, 1, vec);
+		else if (pte_present(pte))
 			vec[i] = 1;
 		else if (pte_file(pte)) {
 			pgoff = pte_to_pgoff(pte);
@@ -152,19 +141,53 @@ static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *v
 		}
 	}
 	pte_unmap_unlock(ptep - 1, ptl);
+}
 
+/*
+ * Do a chunk of "sys_mincore()". We've already checked
+ * all the arguments, we hold the mmap semaphore: we should
+ * just return the amount of info we're asked for.
+ */
+static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *vec)
+{
+	pgd_t *pgd;
+	pud_t *pud;
+	pmd_t *pmd;
+	unsigned long nr;
+	struct vm_area_struct *vma;
+
+	vma = find_vma(current->mm, addr);
+	if (!vma || addr < vma->vm_start)
+		return -ENOMEM;
+
+	nr = min(pages, (vma->vm_end - addr) >> PAGE_SHIFT);
+
+	if (is_vm_hugetlb_page(vma)) {
+		mincore_hugetlb_page_range(vma, addr, nr, vec);
+		return nr;
+	}
+
+	/*
+	 * Calculate how many pages there are left in the last level of the
+	 * PTE array for our address.
+	 */
+	nr = min(nr, PTRS_PER_PTE - ((addr >> PAGE_SHIFT) & (PTRS_PER_PTE-1)));
+
+	pgd = pgd_offset(vma->vm_mm, addr);
+	if (pgd_none_or_clear_bad(pgd))
+		goto none_mapped;
+	pud = pud_offset(pgd, addr);
+	if (pud_none_or_clear_bad(pud))
+		goto none_mapped;
+	pmd = pmd_offset(pud, addr);
+	if (pmd_none_or_clear_bad(pmd))
+		goto none_mapped;
+
+	mincore_pte_range(vma, pmd, addr, nr, vec);
 	return nr;
 
 none_mapped:
-	if (vma->vm_file) {
-		pgoff = linear_page_index(vma, addr);
-		for (i = 0; i < nr; i++, pgoff++)
-			vec[i] = mincore_page(vma->vm_file->f_mapping, pgoff);
-	} else {
-		for (i = 0; i < nr; i++)
-			vec[i] = 0;
-	}
-
+	mincore_unmapped_range(vma, addr, nr, vec);
 	return nr;
 }
 

From 25ef0e50cca790370ad7838e3ad74db6a6a2d829 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Mon, 24 May 2010 14:32:11 -0700
Subject: [PATCH 2999/3638] mincore: pass ranges as start,end address pairs

Instead of passing a start address and a number of pages into the helper
functions, convert them to use a start and an end address.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mincore.c | 57 +++++++++++++++++++++++++---------------------------
 1 file changed, 27 insertions(+), 30 deletions(-)

diff --git a/mm/mincore.c b/mm/mincore.c
index a0c4c10bbab..211604adc23 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -20,14 +20,12 @@
 #include <asm/pgtable.h>
 
 static void mincore_hugetlb_page_range(struct vm_area_struct *vma,
-				unsigned long addr, unsigned long nr,
+				unsigned long addr, unsigned long end,
 				unsigned char *vec)
 {
 #ifdef CONFIG_HUGETLB_PAGE
 	struct hstate *h;
-	int i;
 
-	i = 0;
 	h = hstate_vma(vma);
 	while (1) {
 		unsigned char present;
@@ -40,10 +38,10 @@ static void mincore_hugetlb_page_range(struct vm_area_struct *vma,
 				       addr & huge_page_mask(h));
 		present = ptep && !huge_pte_none(huge_ptep_get(ptep));
 		while (1) {
-			vec[i++] = present;
+			*vec = present;
+			vec++;
 			addr += PAGE_SIZE;
-			/* reach buffer limit */
-			if (i == nr)
+			if (addr == end)
 				return;
 			/* check hugepage border */
 			if (!(addr & ~huge_page_mask(h)))
@@ -86,9 +84,10 @@ static unsigned char mincore_page(struct address_space *mapping, pgoff_t pgoff)
 }
 
 static void mincore_unmapped_range(struct vm_area_struct *vma,
-				unsigned long addr, unsigned long nr,
+				unsigned long addr, unsigned long end,
 				unsigned char *vec)
 {
+	unsigned long nr = (end - addr) >> PAGE_SHIFT;
 	int i;
 
 	if (vma->vm_file) {
@@ -104,42 +103,44 @@ static void mincore_unmapped_range(struct vm_area_struct *vma,
 }
 
 static void mincore_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
-			unsigned long addr, unsigned long nr,
+			unsigned long addr, unsigned long end,
 			unsigned char *vec)
 {
+	unsigned long next;
 	spinlock_t *ptl;
 	pte_t *ptep;
-	int i;
 
 	ptep = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
-	for (i = 0; i < nr; i++, ptep++, addr += PAGE_SIZE) {
+	do {
 		pte_t pte = *ptep;
 		pgoff_t pgoff;
 
+		next = addr + PAGE_SIZE;
 		if (pte_none(pte))
-			mincore_unmapped_range(vma, addr, 1, vec);
+			mincore_unmapped_range(vma, addr, next, vec);
 		else if (pte_present(pte))
-			vec[i] = 1;
+			*vec = 1;
 		else if (pte_file(pte)) {
 			pgoff = pte_to_pgoff(pte);
-			vec[i] = mincore_page(vma->vm_file->f_mapping, pgoff);
+			*vec = mincore_page(vma->vm_file->f_mapping, pgoff);
 		} else { /* pte is a swap entry */
 			swp_entry_t entry = pte_to_swp_entry(pte);
 
 			if (is_migration_entry(entry)) {
 				/* migration entries are always uptodate */
-				vec[i] = 1;
+				*vec = 1;
 			} else {
 #ifdef CONFIG_SWAP
 				pgoff = entry.val;
-				vec[i] = mincore_page(&swapper_space, pgoff);
+				*vec = mincore_page(&swapper_space, pgoff);
 #else
 				WARN_ON(1);
-				vec[i] = 1;
+				*vec = 1;
 #endif
 			}
 		}
-	}
+		vec++;
+	} while (ptep++, addr = next, addr != end);
 	pte_unmap_unlock(ptep - 1, ptl);
 }
 
@@ -153,25 +154,21 @@ static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *v
 	pgd_t *pgd;
 	pud_t *pud;
 	pmd_t *pmd;
-	unsigned long nr;
 	struct vm_area_struct *vma;
+	unsigned long end;
 
 	vma = find_vma(current->mm, addr);
 	if (!vma || addr < vma->vm_start)
 		return -ENOMEM;
 
-	nr = min(pages, (vma->vm_end - addr) >> PAGE_SHIFT);
+	end = min(vma->vm_end, addr + (pages << PAGE_SHIFT));
 
 	if (is_vm_hugetlb_page(vma)) {
-		mincore_hugetlb_page_range(vma, addr, nr, vec);
-		return nr;
+		mincore_hugetlb_page_range(vma, addr, end, vec);
+		return (end - addr) >> PAGE_SHIFT;
 	}
 
-	/*
-	 * Calculate how many pages there are left in the last level of the
-	 * PTE array for our address.
-	 */
-	nr = min(nr, PTRS_PER_PTE - ((addr >> PAGE_SHIFT) & (PTRS_PER_PTE-1)));
+	end = pmd_addr_end(addr, end);
 
 	pgd = pgd_offset(vma->vm_mm, addr);
 	if (pgd_none_or_clear_bad(pgd))
@@ -183,12 +180,12 @@ static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *v
 	if (pmd_none_or_clear_bad(pmd))
 		goto none_mapped;
 
-	mincore_pte_range(vma, pmd, addr, nr, vec);
-	return nr;
+	mincore_pte_range(vma, pmd, addr, end, vec);
+	return (end - addr) >> PAGE_SHIFT;
 
 none_mapped:
-	mincore_unmapped_range(vma, addr, nr, vec);
-	return nr;
+	mincore_unmapped_range(vma, addr, end, vec);
+	return (end - addr) >> PAGE_SHIFT;
 }
 
 /*

From e48293fd75b3aa67f43ad6e3d2ff397caa55d58b Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Mon, 24 May 2010 14:32:11 -0700
Subject: [PATCH 3000/3638] mincore: do nested page table walks

Do page table walks with the well-known nested loops we use in several
other places already.

This avoids doing full page table walks after every pte range and also
allows to handle unmapped areas bigger than one pte range in one go.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mincore.c | 75 ++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 58 insertions(+), 17 deletions(-)

diff --git a/mm/mincore.c b/mm/mincore.c
index 211604adc23..9ac42dc6d7b 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -144,6 +144,60 @@ static void mincore_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
 	pte_unmap_unlock(ptep - 1, ptl);
 }
 
+static void mincore_pmd_range(struct vm_area_struct *vma, pud_t *pud,
+			unsigned long addr, unsigned long end,
+			unsigned char *vec)
+{
+	unsigned long next;
+	pmd_t *pmd;
+
+	pmd = pmd_offset(pud, addr);
+	do {
+		next = pmd_addr_end(addr, end);
+		if (pmd_none_or_clear_bad(pmd))
+			mincore_unmapped_range(vma, addr, next, vec);
+		else
+			mincore_pte_range(vma, pmd, addr, next, vec);
+		vec += (next - addr) >> PAGE_SHIFT;
+	} while (pmd++, addr = next, addr != end);
+}
+
+static void mincore_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
+			unsigned long addr, unsigned long end,
+			unsigned char *vec)
+{
+	unsigned long next;
+	pud_t *pud;
+
+	pud = pud_offset(pgd, addr);
+	do {
+		next = pud_addr_end(addr, end);
+		if (pud_none_or_clear_bad(pud))
+			mincore_unmapped_range(vma, addr, next, vec);
+		else
+			mincore_pmd_range(vma, pud, addr, next, vec);
+		vec += (next - addr) >> PAGE_SHIFT;
+	} while (pud++, addr = next, addr != end);
+}
+
+static void mincore_page_range(struct vm_area_struct *vma,
+			unsigned long addr, unsigned long end,
+			unsigned char *vec)
+{
+	unsigned long next;
+	pgd_t *pgd;
+
+	pgd = pgd_offset(vma->vm_mm, addr);
+	do {
+		next = pgd_addr_end(addr, end);
+		if (pgd_none_or_clear_bad(pgd))
+			mincore_unmapped_range(vma, addr, next, vec);
+		else
+			mincore_pud_range(vma, pgd, addr, next, vec);
+		vec += (next - addr) >> PAGE_SHIFT;
+	} while (pgd++, addr = next, addr != end);
+}
+
 /*
  * Do a chunk of "sys_mincore()". We've already checked
  * all the arguments, we hold the mmap semaphore: we should
@@ -151,9 +205,6 @@ static void mincore_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
  */
 static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *vec)
 {
-	pgd_t *pgd;
-	pud_t *pud;
-	pmd_t *pmd;
 	struct vm_area_struct *vma;
 	unsigned long end;
 
@@ -170,21 +221,11 @@ static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *v
 
 	end = pmd_addr_end(addr, end);
 
-	pgd = pgd_offset(vma->vm_mm, addr);
-	if (pgd_none_or_clear_bad(pgd))
-		goto none_mapped;
-	pud = pud_offset(pgd, addr);
-	if (pud_none_or_clear_bad(pud))
-		goto none_mapped;
-	pmd = pmd_offset(pud, addr);
-	if (pmd_none_or_clear_bad(pmd))
-		goto none_mapped;
+	if (is_vm_hugetlb_page(vma))
+		mincore_hugetlb_page_range(vma, addr, end, vec);
+	else
+		mincore_page_range(vma, addr, end, vec);
 
-	mincore_pte_range(vma, pmd, addr, end, vec);
-	return (end - addr) >> PAGE_SHIFT;
-
-none_mapped:
-	mincore_unmapped_range(vma, addr, end, vec);
 	return (end - addr) >> PAGE_SHIFT;
 }
 

From 1a5cb81465b66b74bf3d6ad36e5382238de6a132 Mon Sep 17 00:00:00 2001
From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Date: Mon, 24 May 2010 14:32:12 -0700
Subject: [PATCH 3001/3638] pagemap: add #ifdefs CONFIG_HUGETLB_PAGE on code
 walking hugetlb vma

If !CONFIG_HUGETLB_PAGE, pagemap_hugetlb_range() is never called.  So put
it (and its calling function) into #ifdef block.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/task_mmu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 47f5b145f56..aea1d3f1ffb 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -634,6 +634,7 @@ static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 	return err;
 }
 
+#ifdef CONFIG_HUGETLB_PAGE
 static u64 huge_pte_to_pagemap_entry(pte_t pte, int offset)
 {
 	u64 pme = 0;
@@ -664,6 +665,7 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
 
 	return err;
 }
+#endif /* HUGETLB_PAGE */
 
 /*
  * /proc/pid/pagemap - an array mapping virtual pages to pfns
@@ -733,7 +735,9 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
 
 	pagemap_walk.pmd_entry = pagemap_pte_range;
 	pagemap_walk.pte_hole = pagemap_pte_hole;
+#ifdef CONFIG_HUGETLB_PAGE
 	pagemap_walk.hugetlb_entry = pagemap_hugetlb_range;
+#endif
 	pagemap_walk.mm = mm;
 	pagemap_walk.private = &pm;
 

From e325c90ffc13b698fa2814102e05275b21c26bec Mon Sep 17 00:00:00 2001
From: David Rientjes <rientjes@google.com>
Date: Mon, 24 May 2010 14:32:13 -0700
Subject: [PATCH 3002/3638] mm: default to node zonelist ordering when nodes
 have only lowmem

There are two types of zonelist ordering methodologies:

 - node order, preferring allocations on a node to stay local to and

 - zone order, preferring allocations come from a higher zone to avoid
   allocating in lowmem zones even though they may not be local.

The ordering technique used by the kernel is configurable on the command
line, but also has some logic to determine what the default should be.

This logic currently lacks knowledge of systems where a node may only have
lowmem.  For such systems, it is necessary to use node order so that
GFP_KERNEL allocations may be satisfied by nodes consisting of only
lowmem.

If zone order is used, GFP_KERNEL allocations to such nodes are actually
allocated on a node with local affinity that includes ZONE_NORMAL.

This change defaults to node zonelist ordering if any node lacks
ZONE_NORMAL.

To force zone order, append 'numa_zonelist_order=zone' to the kernel
command line.

Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_alloc.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f7da2a2934b..cefe6fe8d99 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2606,7 +2606,7 @@ static int default_zonelist_order(void)
          * ZONE_DMA and ZONE_DMA32 can be very small area in the system.
 	 * If they are really small and used heavily, the system can fall
 	 * into OOM very easily.
-	 * This function detect ZONE_DMA/DMA32 size and confgigures zone order.
+	 * This function detect ZONE_DMA/DMA32 size and configures zone order.
 	 */
 	/* Is there ZONE_NORMAL ? (ex. ppc has only DMA zone..) */
 	low_kmem_size = 0;
@@ -2618,6 +2618,15 @@ static int default_zonelist_order(void)
 				if (zone_type < ZONE_NORMAL)
 					low_kmem_size += z->present_pages;
 				total_size += z->present_pages;
+			} else if (zone_type == ZONE_NORMAL) {
+				/*
+				 * If any node has only lowmem, then node order
+				 * is preferred to allow kernel allocations
+				 * locally; otherwise, they can easily infringe
+				 * on other nodes when there is an abundance of
+				 * lowmem available to allocate from.
+				 */
+				return ZONELIST_ORDER_NODE;
 			}
 		}
 	}

From 3f6c82728f4e31a97c3a1b32abccb512fed0b573 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:17 -0700
Subject: [PATCH 3003/3638] mm: migration: take a reference to the anon_vma
 before migrating

This patchset is a memory compaction mechanism that reduces external
fragmentation memory by moving GFP_MOVABLE pages to a fewer number of
pageblocks.  The term "compaction" was chosen as there are is a number of
mechanisms that are not mutually exclusive that can be used to defragment
memory.  For example, lumpy reclaim is a form of defragmentation as was
slub "defragmentation" (really a form of targeted reclaim).  Hence, this
is called "compaction" to distinguish it from other forms of
defragmentation.

In this implementation, a full compaction run involves two scanners
operating within a zone - a migration and a free scanner.  The migration
scanner starts at the beginning of a zone and finds all movable pages
within one pageblock_nr_pages-sized area and isolates them on a
migratepages list.  The free scanner begins at the end of the zone and
searches on a per-area basis for enough free pages to migrate all the
pages on the migratepages list.  As each area is respectively migrated or
exhausted of free pages, the scanners are advanced one area.  A compaction
run completes within a zone when the two scanners meet.

This method is a bit primitive but is easy to understand and greater
sophistication would require maintenance of counters on a per-pageblock
basis.  This would have a big impact on allocator fast-paths to improve
compaction which is a poor trade-off.

It also does not try relocate virtually contiguous pages to be physically
contiguous.  However, assuming transparent hugepages were in use, a
hypothetical khugepaged might reuse compaction code to isolate free pages,
split them and relocate userspace pages for promotion.

Memory compaction can be triggered in one of three ways.  It may be
triggered explicitly by writing any value to /proc/sys/vm/compact_memory
and compacting all of memory.  It can be triggered on a per-node basis by
writing any value to /sys/devices/system/node/nodeN/compact where N is the
node ID to be compacted.  When a process fails to allocate a high-order
page, it may compact memory in an attempt to satisfy the allocation
instead of entering direct reclaim.  Explicit compaction does not finish
until the two scanners meet and direct compaction ends if a suitable page
becomes available that would meet watermarks.

The series is in 14 patches.  The first three are not "core" to the series
but are important pre-requisites.

Patch 1 reference counts anon_vma for rmap_walk_anon(). Without this
	patch, it's possible to use anon_vma after free if the caller is
	not holding a VMA or mmap_sem for the pages in question. While
	there should be no existing user that causes this problem,
	it's a requirement for memory compaction to be stable. The patch
	is at the start of the series for bisection reasons.
Patch 2 merges the KSM and migrate counts. It could be merged with patch 1
	but would be slightly harder to review.
Patch 3 skips over unmapped anon pages during migration as there are no
	guarantees about the anon_vma existing. There is a window between
	when a page was isolated and migration started during which anon_vma
	could disappear.
Patch 4 notes that PageSwapCache pages can still be migrated even if they
	are unmapped.
Patch 5 allows CONFIG_MIGRATION to be set without CONFIG_NUMA
Patch 6 exports a "unusable free space index" via debugfs. It's
	a measure of external fragmentation that takes the size of the
	allocation request into account. It can also be calculated from
	userspace so can be dropped if requested
Patch 7 exports a "fragmentation index" which only has meaning when an
	allocation request fails. It determines if an allocation failure
	would be due to a lack of memory or external fragmentation.
Patch 8 moves the definition for LRU isolation modes for use by compaction
Patch 9 is the compaction mechanism although it's unreachable at this point
Patch 10 adds a means of compacting all of memory with a proc trgger
Patch 11 adds a means of compacting a specific node with a sysfs trigger
Patch 12 adds "direct compaction" before "direct reclaim" if it is
	determined there is a good chance of success.
Patch 13 adds a sysctl that allows tuning of the threshold at which the
	kernel will compact or direct reclaim
Patch 14 temporarily disables compaction if an allocation failure occurs
	after compaction.

Testing of compaction was in three stages.  For the test, debugging,
preempt, the sleep watchdog and lockdep were all enabled but nothing nasty
popped out.  min_free_kbytes was tuned as recommended by hugeadm to help
fragmentation avoidance and high-order allocations.  It was tested on X86,
X86-64 and PPC64.

Ths first test represents one of the easiest cases that can be faced for
lumpy reclaim or memory compaction.

1. Machine freshly booted and configured for hugepage usage with
	a) hugeadm --create-global-mounts
	b) hugeadm --pool-pages-max DEFAULT:8G
	c) hugeadm --set-recommended-min_free_kbytes
	d) hugeadm --set-recommended-shmmax

	The min_free_kbytes here is important. Anti-fragmentation works best
	when pageblocks don't mix. hugeadm knows how to calculate a value that
	will significantly reduce the worst of external-fragmentation-related
	events as reported by the mm_page_alloc_extfrag tracepoint.

2. Load up memory
	a) Start updatedb
	b) Create in parallel a X files of pagesize*128 in size. Wait
	   until files are created. By parallel, I mean that 4096 instances
	   of dd were launched, one after the other using &. The crude
	   objective being to mix filesystem metadata allocations with
	   the buffer cache.
	c) Delete every second file so that pageblocks are likely to
	   have holes
	d) kill updatedb if it's still running

	At this point, the system is quiet, memory is full but it's full with
	clean filesystem metadata and clean buffer cache that is unmapped.
	This is readily migrated or discarded so you'd expect lumpy reclaim
	to have no significant advantage over compaction but this is at
	the POC stage.

3. In increments, attempt to allocate 5% of memory as hugepages.
	   Measure how long it took, how successful it was, how many
	   direct reclaims took place and how how many compactions. Note
	   the compaction figures might not fully add up as compactions
	   can take place for orders other than the hugepage size

X86				vanilla		compaction
Final page count                    913                916 (attempted 1002)
pages reclaimed                   68296               9791

X86-64				vanilla		compaction
Final page count:                   901                902 (attempted 1002)
Total pages reclaimed:           112599              53234

PPC64				vanilla		compaction
Final page count:                    93                 94 (attempted 110)
Total pages reclaimed:           103216              61838

There was not a dramatic improvement in success rates but it wouldn't be
expected in this case either.  What was important is that fewer pages were
reclaimed in all cases reducing the amount of IO required to satisfy a
huge page allocation.

The second tests were all performance related - kernbench, netperf, iozone
and sysbench.  None showed anything too remarkable.

The last test was a high-order allocation stress test.  Many kernel
compiles are started to fill memory with a pressured mix of unmovable and
movable allocations.  During this, an attempt is made to allocate 90% of
memory as huge pages - one at a time with small delays between attempts to
avoid flooding the IO queue.

                                             vanilla   compaction
Percentage of request allocated X86               98           99
Percentage of request allocated X86-64            95           98
Percentage of request allocated PPC64             55           70

This patch:

rmap_walk_anon() does not use page_lock_anon_vma() for looking up and
locking an anon_vma and it does not appear to have sufficient locking to
ensure the anon_vma does not disappear from under it.

This patch copies an approach used by KSM to take a reference on the
anon_vma while pages are being migrated.  This should prevent rmap_walk()
running into nasty surprises later because anon_vma has been freed.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/rmap.h | 23 +++++++++++++++++++++++
 mm/migrate.c         | 12 ++++++++++++
 mm/rmap.c            | 10 +++++-----
 3 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index d25bd224d37..567d43f29a1 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -28,6 +28,9 @@ struct anon_vma {
 	spinlock_t lock;	/* Serialize access to vma list */
 #ifdef CONFIG_KSM
 	atomic_t ksm_refcount;
+#endif
+#ifdef CONFIG_MIGRATION
+	atomic_t migrate_refcount;
 #endif
 	/*
 	 * NOTE: the LSB of the head.next is set by
@@ -81,6 +84,26 @@ static inline int ksm_refcount(struct anon_vma *anon_vma)
 	return 0;
 }
 #endif /* CONFIG_KSM */
+#ifdef CONFIG_MIGRATION
+static inline void migrate_refcount_init(struct anon_vma *anon_vma)
+{
+	atomic_set(&anon_vma->migrate_refcount, 0);
+}
+
+static inline int migrate_refcount(struct anon_vma *anon_vma)
+{
+	return atomic_read(&anon_vma->migrate_refcount);
+}
+#else
+static inline void migrate_refcount_init(struct anon_vma *anon_vma)
+{
+}
+
+static inline int migrate_refcount(struct anon_vma *anon_vma)
+{
+	return 0;
+}
+#endif /* CONFIG_MIGRATE */
 
 static inline struct anon_vma *page_anon_vma(struct page *page)
 {
diff --git a/mm/migrate.c b/mm/migrate.c
index 5938db54e1d..b768a1d4fa4 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -543,6 +543,7 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 	int rcu_locked = 0;
 	int charge = 0;
 	struct mem_cgroup *mem = NULL;
+	struct anon_vma *anon_vma = NULL;
 
 	if (!newpage)
 		return -ENOMEM;
@@ -599,6 +600,8 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 	if (PageAnon(page)) {
 		rcu_read_lock();
 		rcu_locked = 1;
+		anon_vma = page_anon_vma(page);
+		atomic_inc(&anon_vma->migrate_refcount);
 	}
 
 	/*
@@ -638,6 +641,15 @@ skip_unmap:
 	if (rc)
 		remove_migration_ptes(page, page);
 rcu_unlock:
+
+	/* Drop an anon_vma reference if we took one */
+	if (anon_vma && atomic_dec_and_lock(&anon_vma->migrate_refcount, &anon_vma->lock)) {
+		int empty = list_empty(&anon_vma->head);
+		spin_unlock(&anon_vma->lock);
+		if (empty)
+			anon_vma_free(anon_vma);
+	}
+
 	if (rcu_locked)
 		rcu_read_unlock();
 uncharge:
diff --git a/mm/rmap.c b/mm/rmap.c
index 0feeef860a8..f522cb00864 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -250,7 +250,8 @@ static void anon_vma_unlink(struct anon_vma_chain *anon_vma_chain)
 	list_del(&anon_vma_chain->same_anon_vma);
 
 	/* We must garbage collect the anon_vma if it's empty */
-	empty = list_empty(&anon_vma->head) && !ksm_refcount(anon_vma);
+	empty = list_empty(&anon_vma->head) && !ksm_refcount(anon_vma) &&
+					!migrate_refcount(anon_vma);
 	spin_unlock(&anon_vma->lock);
 
 	if (empty)
@@ -275,6 +276,7 @@ static void anon_vma_ctor(void *data)
 
 	spin_lock_init(&anon_vma->lock);
 	ksm_refcount_init(anon_vma);
+	migrate_refcount_init(anon_vma);
 	INIT_LIST_HEAD(&anon_vma->head);
 }
 
@@ -1355,10 +1357,8 @@ static int rmap_walk_anon(struct page *page, int (*rmap_one)(struct page *,
 	/*
 	 * Note: remove_migration_ptes() cannot use page_lock_anon_vma()
 	 * because that depends on page_mapped(); but not all its usages
-	 * are holding mmap_sem, which also gave the necessary guarantee
-	 * (that this anon_vma's slab has not already been destroyed).
-	 * This needs to be reviewed later: avoiding page_lock_anon_vma()
-	 * is risky, and currently limits the usefulness of rmap_walk().
+	 * are holding mmap_sem. Users without mmap_sem are required to
+	 * take a reference count to prevent the anon_vma disappearing
 	 */
 	anon_vma = page_anon_vma(page);
 	if (!anon_vma)

From 7f60c214fd3a360461f3286c6908084f7f8b1950 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:18 -0700
Subject: [PATCH 3004/3638] mm: migration: share the anon_vma ref counts
 between KSM and page migration

For clarity of review, KSM and page migration have separate refcounts on
the anon_vma.  While clear, this is a waste of memory.  This patch gets
KSM and page migration to share their toys in a spirit of harmony.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/rmap.h | 50 ++++++++++++++++----------------------------
 mm/ksm.c             |  4 ++--
 mm/migrate.c         |  4 ++--
 mm/rmap.c            |  6 ++----
 4 files changed, 24 insertions(+), 40 deletions(-)

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 567d43f29a1..77216742c17 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -26,11 +26,17 @@
  */
 struct anon_vma {
 	spinlock_t lock;	/* Serialize access to vma list */
-#ifdef CONFIG_KSM
-	atomic_t ksm_refcount;
-#endif
-#ifdef CONFIG_MIGRATION
-	atomic_t migrate_refcount;
+#if defined(CONFIG_KSM) || defined(CONFIG_MIGRATION)
+
+	/*
+	 * The external_refcount is taken by either KSM or page migration
+	 * to take a reference to an anon_vma when there is no
+	 * guarantee that the vma of page tables will exist for
+	 * the duration of the operation. A caller that takes
+	 * the reference is responsible for clearing up the
+	 * anon_vma if they are the last user on release
+	 */
+	atomic_t external_refcount;
 #endif
 	/*
 	 * NOTE: the LSB of the head.next is set by
@@ -64,46 +70,26 @@ struct anon_vma_chain {
 };
 
 #ifdef CONFIG_MMU
-#ifdef CONFIG_KSM
-static inline void ksm_refcount_init(struct anon_vma *anon_vma)
+#if defined(CONFIG_KSM) || defined(CONFIG_MIGRATION)
+static inline void anonvma_external_refcount_init(struct anon_vma *anon_vma)
 {
-	atomic_set(&anon_vma->ksm_refcount, 0);
+	atomic_set(&anon_vma->external_refcount, 0);
 }
 
-static inline int ksm_refcount(struct anon_vma *anon_vma)
+static inline int anonvma_external_refcount(struct anon_vma *anon_vma)
 {
-	return atomic_read(&anon_vma->ksm_refcount);
+	return atomic_read(&anon_vma->external_refcount);
 }
 #else
-static inline void ksm_refcount_init(struct anon_vma *anon_vma)
+static inline void anonvma_external_refcount_init(struct anon_vma *anon_vma)
 {
 }
 
-static inline int ksm_refcount(struct anon_vma *anon_vma)
+static inline int anonvma_external_refcount(struct anon_vma *anon_vma)
 {
 	return 0;
 }
 #endif /* CONFIG_KSM */
-#ifdef CONFIG_MIGRATION
-static inline void migrate_refcount_init(struct anon_vma *anon_vma)
-{
-	atomic_set(&anon_vma->migrate_refcount, 0);
-}
-
-static inline int migrate_refcount(struct anon_vma *anon_vma)
-{
-	return atomic_read(&anon_vma->migrate_refcount);
-}
-#else
-static inline void migrate_refcount_init(struct anon_vma *anon_vma)
-{
-}
-
-static inline int migrate_refcount(struct anon_vma *anon_vma)
-{
-	return 0;
-}
-#endif /* CONFIG_MIGRATE */
 
 static inline struct anon_vma *page_anon_vma(struct page *page)
 {
diff --git a/mm/ksm.c b/mm/ksm.c
index 956880f2ff4..6c3e99b4ae7 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -318,14 +318,14 @@ static void hold_anon_vma(struct rmap_item *rmap_item,
 			  struct anon_vma *anon_vma)
 {
 	rmap_item->anon_vma = anon_vma;
-	atomic_inc(&anon_vma->ksm_refcount);
+	atomic_inc(&anon_vma->external_refcount);
 }
 
 static void drop_anon_vma(struct rmap_item *rmap_item)
 {
 	struct anon_vma *anon_vma = rmap_item->anon_vma;
 
-	if (atomic_dec_and_lock(&anon_vma->ksm_refcount, &anon_vma->lock)) {
+	if (atomic_dec_and_lock(&anon_vma->external_refcount, &anon_vma->lock)) {
 		int empty = list_empty(&anon_vma->head);
 		spin_unlock(&anon_vma->lock);
 		if (empty)
diff --git a/mm/migrate.c b/mm/migrate.c
index b768a1d4fa4..42a3d24d110 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -601,7 +601,7 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 		rcu_read_lock();
 		rcu_locked = 1;
 		anon_vma = page_anon_vma(page);
-		atomic_inc(&anon_vma->migrate_refcount);
+		atomic_inc(&anon_vma->external_refcount);
 	}
 
 	/*
@@ -643,7 +643,7 @@ skip_unmap:
 rcu_unlock:
 
 	/* Drop an anon_vma reference if we took one */
-	if (anon_vma && atomic_dec_and_lock(&anon_vma->migrate_refcount, &anon_vma->lock)) {
+	if (anon_vma && atomic_dec_and_lock(&anon_vma->external_refcount, &anon_vma->lock)) {
 		int empty = list_empty(&anon_vma->head);
 		spin_unlock(&anon_vma->lock);
 		if (empty)
diff --git a/mm/rmap.c b/mm/rmap.c
index f522cb00864..b5c320f7d0a 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -250,8 +250,7 @@ static void anon_vma_unlink(struct anon_vma_chain *anon_vma_chain)
 	list_del(&anon_vma_chain->same_anon_vma);
 
 	/* We must garbage collect the anon_vma if it's empty */
-	empty = list_empty(&anon_vma->head) && !ksm_refcount(anon_vma) &&
-					!migrate_refcount(anon_vma);
+	empty = list_empty(&anon_vma->head) && !anonvma_external_refcount(anon_vma);
 	spin_unlock(&anon_vma->lock);
 
 	if (empty)
@@ -275,8 +274,7 @@ static void anon_vma_ctor(void *data)
 	struct anon_vma *anon_vma = data;
 
 	spin_lock_init(&anon_vma->lock);
-	ksm_refcount_init(anon_vma);
-	migrate_refcount_init(anon_vma);
+	anonvma_external_refcount_init(anon_vma);
 	INIT_LIST_HEAD(&anon_vma->head);
 }
 

From 67b9509b2c68ae38cecb83a239881cb0ddf087dc Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:19 -0700
Subject: [PATCH 3005/3638] mm: migration: do not try to migrate unmapped
 anonymous pages

rmap_walk_anon() was triggering errors in memory compaction that look like
use-after-free errors.  The problem is that between the page being
isolated from the LRU and rcu_read_lock() being taken, the mapcount of the
page dropped to 0 and the anon_vma gets freed.  This can happen during
memory compaction if pages being migrated belong to a process that exits
before migration completes.  Hence, the use-after-free race looks like

 1. Page isolated for migration
 2. Process exits
 3. page_mapcount(page) drops to zero so anon_vma was no longer reliable
 4. unmap_and_move() takes the rcu_lock but the anon_vma is already garbage
 4. call try_to_unmap, looks up tha anon_vma and "locks" it but the lock
    is garbage.

This patch checks the mapcount after the rcu lock is taken.  If the
mapcount is zero, the anon_vma is assumed to be freed and no further
action is taken.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/migrate.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/mm/migrate.c b/mm/migrate.c
index 42a3d24d110..b114635962d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -600,6 +600,17 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 	if (PageAnon(page)) {
 		rcu_read_lock();
 		rcu_locked = 1;
+
+		/*
+		 * If the page has no mappings any more, just bail. An
+		 * unmapped anon page is likely to be freed soon but worse,
+		 * it's possible its anon_vma disappeared between when
+		 * the page was isolated and when we reached here while
+		 * the RCU lock was not held
+		 */
+		if (!page_mapped(page))
+			goto rcu_unlock;
+
 		anon_vma = page_anon_vma(page);
 		atomic_inc(&anon_vma->external_refcount);
 	}

From 3fe2011ff51e92500010a495df4be86745fbbda9 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:20 -0700
Subject: [PATCH 3006/3638] mm: migration: allow the migration of PageSwapCache
 pages

PageAnon pages that are unmapped may or may not have an anon_vma so are
not currently migrated.  However, a swap cache page can be migrated and
fits this description.  This patch identifies page swap caches and allows
them to be migrated but ensures that no attempt to made to remap the pages
would would potentially try to access an already freed anon_vma.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/migrate.c | 53 +++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 36 insertions(+), 17 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index b114635962d..4afd6fe3c07 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -485,7 +485,8 @@ static int fallback_migrate_page(struct address_space *mapping,
  *   < 0 - error code
  *  == 0 - success
  */
-static int move_to_new_page(struct page *newpage, struct page *page)
+static int move_to_new_page(struct page *newpage, struct page *page,
+						int remap_swapcache)
 {
 	struct address_space *mapping;
 	int rc;
@@ -520,10 +521,12 @@ static int move_to_new_page(struct page *newpage, struct page *page)
 	else
 		rc = fallback_migrate_page(mapping, newpage, page);
 
-	if (!rc)
-		remove_migration_ptes(page, newpage);
-	else
+	if (rc) {
 		newpage->mapping = NULL;
+	} else {
+		if (remap_swapcache)
+			remove_migration_ptes(page, newpage);
+	}
 
 	unlock_page(newpage);
 
@@ -540,6 +543,7 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 	int rc = 0;
 	int *result = NULL;
 	struct page *newpage = get_new_page(page, private, &result);
+	int remap_swapcache = 1;
 	int rcu_locked = 0;
 	int charge = 0;
 	struct mem_cgroup *mem = NULL;
@@ -601,18 +605,33 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 		rcu_read_lock();
 		rcu_locked = 1;
 
-		/*
-		 * If the page has no mappings any more, just bail. An
-		 * unmapped anon page is likely to be freed soon but worse,
-		 * it's possible its anon_vma disappeared between when
-		 * the page was isolated and when we reached here while
-		 * the RCU lock was not held
-		 */
-		if (!page_mapped(page))
-			goto rcu_unlock;
+		/* Determine how to safely use anon_vma */
+		if (!page_mapped(page)) {
+			if (!PageSwapCache(page))
+				goto rcu_unlock;
 
-		anon_vma = page_anon_vma(page);
-		atomic_inc(&anon_vma->external_refcount);
+			/*
+			 * We cannot be sure that the anon_vma of an unmapped
+			 * swapcache page is safe to use because we don't
+			 * know in advance if the VMA that this page belonged
+			 * to still exists. If the VMA and others sharing the
+			 * data have been freed, then the anon_vma could
+			 * already be invalid.
+			 *
+			 * To avoid this possibility, swapcache pages get
+			 * migrated but are not remapped when migration
+			 * completes
+			 */
+			remap_swapcache = 0;
+		} else {
+			/*
+			 * Take a reference count on the anon_vma if the
+			 * page is mapped so that it is guaranteed to
+			 * exist when the page is remapped later
+			 */
+			anon_vma = page_anon_vma(page);
+			atomic_inc(&anon_vma->external_refcount);
+		}
 	}
 
 	/*
@@ -647,9 +666,9 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 
 skip_unmap:
 	if (!page_mapped(page))
-		rc = move_to_new_page(newpage, page);
+		rc = move_to_new_page(newpage, page, remap_swapcache);
 
-	if (rc)
+	if (rc && remap_swapcache)
 		remove_migration_ptes(page, page);
 rcu_unlock:
 

From e9e96b39f932a065e14f5d5bab0797ae261d03b5 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:21 -0700
Subject: [PATCH 3007/3638] mm: allow CONFIG_MIGRATION to be set without
 CONFIG_NUMA or memory hot-remove

CONFIG_MIGRATION currently depends on CONFIG_NUMA or on the architecture
being able to hot-remove memory.  The main users of page migration such as
sys_move_pages(), sys_migrate_pages() and cpuset process migration are
only beneficial on NUMA so it makes sense.

As memory compaction will operate within a zone and is useful on both NUMA
and non-NUMA systems, this patch allows CONFIG_MIGRATION to be set if the
user selects CONFIG_COMPACTION as an option.

[akpm@linux-foundation.org: Depend on CONFIG_HUGETLB_PAGE]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/Kconfig | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/mm/Kconfig b/mm/Kconfig
index 9c61158308d..527136b2238 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -171,6 +171,15 @@ config SPLIT_PTLOCK_CPUS
 	default "999999" if DEBUG_SPINLOCK || DEBUG_LOCK_ALLOC
 	default "4"
 
+#
+# support for memory compaction
+config COMPACTION
+	bool "Allow for memory compaction"
+	select MIGRATION
+	depends on EXPERIMENTAL && HUGETLB_PAGE && MMU
+	help
+	  Allows the compaction of memory for the allocation of huge pages.
+
 #
 # support for page migration
 #
@@ -180,9 +189,11 @@ config MIGRATION
 	depends on NUMA || ARCH_ENABLE_MEMORY_HOTREMOVE
 	help
 	  Allows the migration of the physical location of pages of processes
-	  while the virtual addresses are not changed. This is useful for
-	  example on NUMA systems to put pages nearer to the processors accessing
-	  the page.
+	  while the virtual addresses are not changed. This is useful in
+	  two situations. The first is on NUMA systems to put pages nearer
+	  to the processors accessing. The second is when allocating huge
+	  pages as migration can relocate pages to satisfy a huge page
+	  allocation instead of reclaiming.
 
 config PHYS_ADDR_T_64BIT
 	def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT

From a8bef8ff6ea15fa4c67433cab0f5f3484574ef7c Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:24 -0700
Subject: [PATCH 3008/3638] mm: migration: avoid race between shift_arg_pages()
 and rmap_walk() during migration by not migrating temporary stacks

Page migration requires rmap to be able to find all ptes mapping a page
at all times, otherwise the migration entry can be instantiated, but it
is possible to leave one behind if the second rmap_walk fails to find
the page.  If this page is later faulted, migration_entry_to_page() will
call BUG because the page is locked indicating the page was migrated by
the migration PTE not cleaned up. For example

  kernel BUG at include/linux/swapops.h:105!
  invalid opcode: 0000 [#1] PREEMPT SMP
  ...
  Call Trace:
   [<ffffffff810e951a>] handle_mm_fault+0x3f8/0x76a
   [<ffffffff8130c7a2>] do_page_fault+0x44a/0x46e
   [<ffffffff813099b5>] page_fault+0x25/0x30
   [<ffffffff8114de33>] load_elf_binary+0x152a/0x192b
   [<ffffffff8111329b>] search_binary_handler+0x173/0x313
   [<ffffffff81114896>] do_execve+0x219/0x30a
   [<ffffffff8100a5c6>] sys_execve+0x43/0x5e
   [<ffffffff8100320a>] stub_execve+0x6a/0xc0
  RIP  [<ffffffff811094ff>] migration_entry_wait+0xc1/0x129

There is a race between shift_arg_pages and migration that triggers this
bug.  A temporary stack is setup during exec and later moved.  If
migration moves a page in the temporary stack and the VMA is then removed
before migration completes, the migration PTE may not be found leading to
a BUG when the stack is faulted.

This patch causes pages within the temporary stack during exec to be
skipped by migration.  It does this by marking the VMA covering the
temporary stack with an otherwise impossible combination of VMA flags.
These flags are cleared when the temporary stack is moved to its final
location.

[kamezawa.hiroyu@jp.fujitsu.com: idea for having migration skip temporary stacks]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c          |  7 ++++++-
 include/linux/mm.h |  3 +++
 mm/rmap.c          | 30 +++++++++++++++++++++++++++++-
 3 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index e6e94c626c2..9badbc0bfb1 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -242,9 +242,10 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
 	 * use STACK_TOP because that can depend on attributes which aren't
 	 * configured yet.
 	 */
+	BUG_ON(VM_STACK_FLAGS & VM_STACK_INCOMPLETE_SETUP);
 	vma->vm_end = STACK_TOP_MAX;
 	vma->vm_start = vma->vm_end - PAGE_SIZE;
-	vma->vm_flags = VM_STACK_FLAGS;
+	vma->vm_flags = VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP;
 	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
 	INIT_LIST_HEAD(&vma->anon_vma_chain);
 	err = insert_vm_struct(mm, vma);
@@ -616,6 +617,7 @@ int setup_arg_pages(struct linux_binprm *bprm,
 	else if (executable_stack == EXSTACK_DISABLE_X)
 		vm_flags &= ~VM_EXEC;
 	vm_flags |= mm->def_flags;
+	vm_flags |= VM_STACK_INCOMPLETE_SETUP;
 
 	ret = mprotect_fixup(vma, &prev, vma->vm_start, vma->vm_end,
 			vm_flags);
@@ -630,6 +632,9 @@ int setup_arg_pages(struct linux_binprm *bprm,
 			goto out_unlock;
 	}
 
+	/* mprotect_fixup is overkill to remove the temporary stack flags */
+	vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP;
+
 	stack_expand = 131072UL; /* randomly 32*4k (or 2*64k) pages */
 	stack_size = vma->vm_end - vma->vm_start;
 	/*
diff --git a/include/linux/mm.h b/include/linux/mm.h
index fb19bb92b80..98ea5bab963 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -106,6 +106,9 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_PFN_AT_MMAP	0x40000000	/* PFNMAP vma that is fully mapped at mmap time */
 #define VM_MERGEABLE	0x80000000	/* KSM may merge identical pages */
 
+/* Bits set in the VMA until the stack is in its final location */
+#define VM_STACK_INCOMPLETE_SETUP	(VM_RAND_READ | VM_SEQ_READ)
+
 #ifndef VM_STACK_DEFAULT_FLAGS		/* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
 #endif
diff --git a/mm/rmap.c b/mm/rmap.c
index b5c320f7d0a..38a336e2eea 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1131,6 +1131,20 @@ static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount,
 	return ret;
 }
 
+static bool is_vma_temporary_stack(struct vm_area_struct *vma)
+{
+	int maybe_stack = vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP);
+
+	if (!maybe_stack)
+		return false;
+
+	if ((vma->vm_flags & VM_STACK_INCOMPLETE_SETUP) ==
+						VM_STACK_INCOMPLETE_SETUP)
+		return true;
+
+	return false;
+}
+
 /**
  * try_to_unmap_anon - unmap or unlock anonymous page using the object-based
  * rmap method
@@ -1159,7 +1173,21 @@ static int try_to_unmap_anon(struct page *page, enum ttu_flags flags)
 
 	list_for_each_entry(avc, &anon_vma->head, same_anon_vma) {
 		struct vm_area_struct *vma = avc->vma;
-		unsigned long address = vma_address(page, vma);
+		unsigned long address;
+
+		/*
+		 * During exec, a temporary VMA is setup and later moved.
+		 * The VMA is moved under the anon_vma lock but not the
+		 * page tables leading to a race where migration cannot
+		 * find the migration ptes. Rather than increasing the
+		 * locking requirements of exec(), migration skips
+		 * temporary VMAs until after exec() completes.
+		 */
+		if (PAGE_MIGRATION && (flags & TTU_MIGRATION) &&
+				is_vma_temporary_stack(vma))
+			continue;
+
+		address = vma_address(page, vma);
 		if (address == -EFAULT)
 			continue;
 		ret = try_to_unmap_one(page, vma, address, flags);

From d7a5752c0c19750312efab3a2a80d350e11fa4a2 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:25 -0700
Subject: [PATCH 3009/3638] mm: export unusable free space index via debugfs

The unusable free space index measures how much of the available free
memory cannot be used to satisfy an allocation of a given size and is a
value between 0 and 1.  The higher the value, the more of free memory is
unusable and by implication, the worse the external fragmentation is.  For
the most part, the huge page size will be the size of interest but not
necessarily so it is exported on a per-order and per-zone basis via
/sys/kernel/debug/extfrag/unusable_index.

> cat /sys/kernel/debug/extfrag/unusable_index
Node 0, zone      DMA 0.000 0.000 0.000 0.001 0.005 0.013 0.021 0.037 0.037 0.101 0.230
Node 0, zone   Normal 0.000 0.000 0.000 0.001 0.002 0.002 0.005 0.015 0.028 0.028 0.054

[akpm@linux-foundation.org: Fix allnoconfig]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmstat.c | 150 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 149 insertions(+), 1 deletion(-)

diff --git a/mm/vmstat.c b/mm/vmstat.c
index fa12ea3051f..d3e0fa169f0 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -379,7 +379,50 @@ void zone_statistics(struct zone *preferred_zone, struct zone *z)
 }
 #endif
 
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_COMPACTION
+struct contig_page_info {
+	unsigned long free_pages;
+	unsigned long free_blocks_total;
+	unsigned long free_blocks_suitable;
+};
+
+/*
+ * Calculate the number of free pages in a zone, how many contiguous
+ * pages are free and how many are large enough to satisfy an allocation of
+ * the target size. Note that this function makes no attempt to estimate
+ * how many suitable free blocks there *might* be if MOVABLE pages were
+ * migrated. Calculating that is possible, but expensive and can be
+ * figured out from userspace
+ */
+static void fill_contig_page_info(struct zone *zone,
+				unsigned int suitable_order,
+				struct contig_page_info *info)
+{
+	unsigned int order;
+
+	info->free_pages = 0;
+	info->free_blocks_total = 0;
+	info->free_blocks_suitable = 0;
+
+	for (order = 0; order < MAX_ORDER; order++) {
+		unsigned long blocks;
+
+		/* Count number of free blocks */
+		blocks = zone->free_area[order].nr_free;
+		info->free_blocks_total += blocks;
+
+		/* Count free base pages */
+		info->free_pages += blocks << order;
+
+		/* Count the suitable free blocks */
+		if (order >= suitable_order)
+			info->free_blocks_suitable += blocks <<
+						(order - suitable_order);
+	}
+}
+#endif
+
+#if defined(CONFIG_PROC_FS) || defined(CONFIG_COMPACTION)
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
@@ -432,7 +475,9 @@ static void walk_zones_in_node(struct seq_file *m, pg_data_t *pgdat,
 		spin_unlock_irqrestore(&zone->lock, flags);
 	}
 }
+#endif
 
+#ifdef CONFIG_PROC_FS
 static void frag_show_print(struct seq_file *m, pg_data_t *pgdat,
 						struct zone *zone)
 {
@@ -954,3 +999,106 @@ static int __init setup_vmstat(void)
 	return 0;
 }
 module_init(setup_vmstat)
+
+#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION)
+#include <linux/debugfs.h>
+
+static struct dentry *extfrag_debug_root;
+
+/*
+ * Return an index indicating how much of the available free memory is
+ * unusable for an allocation of the requested size.
+ */
+static int unusable_free_index(unsigned int order,
+				struct contig_page_info *info)
+{
+	/* No free memory is interpreted as all free memory is unusable */
+	if (info->free_pages == 0)
+		return 1000;
+
+	/*
+	 * Index should be a value between 0 and 1. Return a value to 3
+	 * decimal places.
+	 *
+	 * 0 => no fragmentation
+	 * 1 => high fragmentation
+	 */
+	return div_u64((info->free_pages - (info->free_blocks_suitable << order)) * 1000ULL, info->free_pages);
+
+}
+
+static void unusable_show_print(struct seq_file *m,
+					pg_data_t *pgdat, struct zone *zone)
+{
+	unsigned int order;
+	int index;
+	struct contig_page_info info;
+
+	seq_printf(m, "Node %d, zone %8s ",
+				pgdat->node_id,
+				zone->name);
+	for (order = 0; order < MAX_ORDER; ++order) {
+		fill_contig_page_info(zone, order, &info);
+		index = unusable_free_index(order, &info);
+		seq_printf(m, "%d.%03d ", index / 1000, index % 1000);
+	}
+
+	seq_putc(m, '\n');
+}
+
+/*
+ * Display unusable free space index
+ *
+ * The unusable free space index measures how much of the available free
+ * memory cannot be used to satisfy an allocation of a given size and is a
+ * value between 0 and 1. The higher the value, the more of free memory is
+ * unusable and by implication, the worse the external fragmentation is. This
+ * can be expressed as a percentage by multiplying by 100.
+ */
+static int unusable_show(struct seq_file *m, void *arg)
+{
+	pg_data_t *pgdat = (pg_data_t *)arg;
+
+	/* check memoryless node */
+	if (!node_state(pgdat->node_id, N_HIGH_MEMORY))
+		return 0;
+
+	walk_zones_in_node(m, pgdat, unusable_show_print);
+
+	return 0;
+}
+
+static const struct seq_operations unusable_op = {
+	.start	= frag_start,
+	.next	= frag_next,
+	.stop	= frag_stop,
+	.show	= unusable_show,
+};
+
+static int unusable_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &unusable_op);
+}
+
+static const struct file_operations unusable_file_ops = {
+	.open		= unusable_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init extfrag_debug_init(void)
+{
+	extfrag_debug_root = debugfs_create_dir("extfrag", NULL);
+	if (!extfrag_debug_root)
+		return -ENOMEM;
+
+	if (!debugfs_create_file("unusable_index", 0444,
+			extfrag_debug_root, NULL, &unusable_file_ops))
+		return -ENOMEM;
+
+	return 0;
+}
+
+module_init(extfrag_debug_init);
+#endif

From f1a5ab1210579e2d3ac8c0c227645823af5aafb0 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:26 -0700
Subject: [PATCH 3010/3638] mm: export fragmentation index via debugfs

The fragmentation fragmentation index, is only meaningful if an allocation
would fail and indicates what the failure is due to.  A value of -1 such
as in many of the examples above states that the allocation would succeed.
 If it would fail, the value is between 0 and 1.  A value tending towards
0 implies the allocation failed due to a lack of memory.  A value tending
towards 1 implies it failed due to external fragmentation.

For the most part, the huge page size will be the size of interest but not
necessarily so it is exported on a per-order and per-zo basis via
/sys/kernel/debug/extfrag/extfrag_index

> cat /sys/kernel/debug/extfrag/extfrag_index
Node 0, zone      DMA -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.00
Node 0, zone   Normal -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 -1.000 0.954

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmstat.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)

diff --git a/mm/vmstat.c b/mm/vmstat.c
index d3e0fa169f0..23a5899c746 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -16,6 +16,7 @@
 #include <linux/cpu.h>
 #include <linux/vmstat.h>
 #include <linux/sched.h>
+#include <linux/math64.h>
 
 #ifdef CONFIG_VM_EVENT_COUNTERS
 DEFINE_PER_CPU(struct vm_event_state, vm_event_states) = {{0}};
@@ -420,6 +421,33 @@ static void fill_contig_page_info(struct zone *zone,
 						(order - suitable_order);
 	}
 }
+
+/*
+ * A fragmentation index only makes sense if an allocation of a requested
+ * size would fail. If that is true, the fragmentation index indicates
+ * whether external fragmentation or a lack of memory was the problem.
+ * The value can be used to determine if page reclaim or compaction
+ * should be used
+ */
+int fragmentation_index(unsigned int order, struct contig_page_info *info)
+{
+	unsigned long requested = 1UL << order;
+
+	if (!info->free_blocks_total)
+		return 0;
+
+	/* Fragmentation index only makes sense when a request would fail */
+	if (info->free_blocks_suitable)
+		return -1000;
+
+	/*
+	 * Index is between 0 and 1 so return within 3 decimal places
+	 *
+	 * 0 => allocation would fail due to lack of memory
+	 * 1 => allocation would fail due to fragmentation
+	 */
+	return 1000 - div_u64( (1000+(div_u64(info->free_pages * 1000ULL, requested))), info->free_blocks_total);
+}
 #endif
 
 #if defined(CONFIG_PROC_FS) || defined(CONFIG_COMPACTION)
@@ -1087,6 +1115,58 @@ static const struct file_operations unusable_file_ops = {
 	.release	= seq_release,
 };
 
+static void extfrag_show_print(struct seq_file *m,
+					pg_data_t *pgdat, struct zone *zone)
+{
+	unsigned int order;
+	int index;
+
+	/* Alloc on stack as interrupts are disabled for zone walk */
+	struct contig_page_info info;
+
+	seq_printf(m, "Node %d, zone %8s ",
+				pgdat->node_id,
+				zone->name);
+	for (order = 0; order < MAX_ORDER; ++order) {
+		fill_contig_page_info(zone, order, &info);
+		index = fragmentation_index(order, &info);
+		seq_printf(m, "%d.%03d ", index / 1000, index % 1000);
+	}
+
+	seq_putc(m, '\n');
+}
+
+/*
+ * Display fragmentation index for orders that allocations would fail for
+ */
+static int extfrag_show(struct seq_file *m, void *arg)
+{
+	pg_data_t *pgdat = (pg_data_t *)arg;
+
+	walk_zones_in_node(m, pgdat, extfrag_show_print);
+
+	return 0;
+}
+
+static const struct seq_operations extfrag_op = {
+	.start	= frag_start,
+	.next	= frag_next,
+	.stop	= frag_stop,
+	.show	= extfrag_show,
+};
+
+static int extfrag_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &extfrag_op);
+}
+
+static const struct file_operations extfrag_file_ops = {
+	.open		= extfrag_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
 static int __init extfrag_debug_init(void)
 {
 	extfrag_debug_root = debugfs_create_dir("extfrag", NULL);
@@ -1097,6 +1177,10 @@ static int __init extfrag_debug_init(void)
 			extfrag_debug_root, NULL, &unusable_file_ops))
 		return -ENOMEM;
 
+	if (!debugfs_create_file("extfrag_index", 0444,
+			extfrag_debug_root, NULL, &extfrag_file_ops))
+		return -ENOMEM;
+
 	return 0;
 }
 

From c175a0ce7584e5b498fff8cbdb9aa7912aa9fbba Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:26 -0700
Subject: [PATCH 3011/3638] mm: move definition for LRU isolation modes to a
 header

Currently, vmscan.c defines the isolation modes for __isolate_lru_page().
Memory compaction needs access to these modes for isolating pages for
migration.  This patch exports them.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/swap.h | 5 +++++
 mm/vmscan.c          | 5 -----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 600b03b7732..1e8ce148d05 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -229,6 +229,11 @@ static inline void lru_cache_add_file(struct page *page)
 	__lru_cache_add(page, LRU_INACTIVE_FILE);
 }
 
+/* LRU Isolation modes. */
+#define ISOLATE_INACTIVE 0	/* Isolate inactive pages. */
+#define ISOLATE_ACTIVE 1	/* Isolate active pages. */
+#define ISOLATE_BOTH 2		/* Isolate both active and inactive pages. */
+
 /* linux/mm/vmscan.c */
 extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 					gfp_t gfp_mask, nodemask_t *mask);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f2c367c9ec1..25b0202c60d 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -839,11 +839,6 @@ keep:
 	return nr_reclaimed;
 }
 
-/* LRU Isolation modes. */
-#define ISOLATE_INACTIVE 0	/* Isolate inactive pages. */
-#define ISOLATE_ACTIVE 1	/* Isolate active pages. */
-#define ISOLATE_BOTH 2		/* Isolate both active and inactive pages. */
-
 /*
  * Attempt to remove the specified page from its LRU.  Only take this page
  * if it is of the appropriate PageActive status.  Pages which are being

From 748446bb6b5a9390b546af38ec899c868a9dbcf0 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:27 -0700
Subject: [PATCH 3012/3638] mm: compaction: memory compaction core

This patch is the core of a mechanism which compacts memory in a zone by
relocating movable pages towards the end of the zone.

A single compaction run involves a migration scanner and a free scanner.
Both scanners operate on pageblock-sized areas in the zone.  The migration
scanner starts at the bottom of the zone and searches for all movable
pages within each area, isolating them onto a private list called
migratelist.  The free scanner starts at the top of the zone and searches
for suitable areas and consumes the free pages within making them
available for the migration scanner.  The pages isolated for migration are
then migrated to the newly isolated free pages.

[aarcange@redhat.com: Fix unsafe optimisation]
[mel@csn.ul.ie: do not schedule work on other CPUs for compaction]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/compaction.h |   9 +
 include/linux/migrate.h    |   2 +
 include/linux/mm.h         |   1 +
 include/linux/swap.h       |   1 +
 include/linux/vmstat.h     |   3 +
 mm/Makefile                |   1 +
 mm/compaction.c            | 393 +++++++++++++++++++++++++++++++++++++
 mm/migrate.c               |  11 +-
 mm/page_alloc.c            |  45 +++++
 mm/vmstat.c                |   7 +
 10 files changed, 472 insertions(+), 1 deletion(-)
 create mode 100644 include/linux/compaction.h
 create mode 100644 mm/compaction.c

diff --git a/include/linux/compaction.h b/include/linux/compaction.h
new file mode 100644
index 00000000000..465ca88615e
--- /dev/null
+++ b/include/linux/compaction.h
@@ -0,0 +1,9 @@
+#ifndef _LINUX_COMPACTION_H
+#define _LINUX_COMPACTION_H
+
+/* Return values for compact_zone() */
+#define COMPACT_CONTINUE	0
+#define COMPACT_PARTIAL		1
+#define COMPACT_COMPLETE	2
+
+#endif /* _LINUX_COMPACTION_H */
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 7a07b17d27c..7238231b8dd 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -19,6 +19,7 @@ extern int fail_migrate_page(struct address_space *,
 			struct page *, struct page *);
 
 extern int migrate_prep(void);
+extern int migrate_prep_local(void);
 extern int migrate_vmas(struct mm_struct *mm,
 		const nodemask_t *from, const nodemask_t *to,
 		unsigned long flags);
@@ -30,6 +31,7 @@ static inline int migrate_pages(struct list_head *l, new_page_t x,
 		unsigned long private, int offlining) { return -ENOSYS; }
 
 static inline int migrate_prep(void) { return -ENOSYS; }
+static inline int migrate_prep_local(void) { return -ENOSYS; }
 
 static inline int migrate_vmas(struct mm_struct *mm,
 		const nodemask_t *from, const nodemask_t *to,
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 98ea5bab963..963f908af9d 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -337,6 +337,7 @@ void put_page(struct page *page);
 void put_pages_list(struct list_head *pages);
 
 void split_page(struct page *page, unsigned int order);
+int split_free_page(struct page *page);
 
 /*
  * Compound pages have a destructor function.  Provide a
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 1e8ce148d05..b6b614364dd 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -152,6 +152,7 @@ enum {
 };
 
 #define SWAP_CLUSTER_MAX 32
+#define COMPACT_CLUSTER_MAX SWAP_CLUSTER_MAX
 
 #define SWAP_MAP_MAX	0x3e	/* Max duplication count, in first swap_map */
 #define SWAP_MAP_BAD	0x3f	/* Note pageblock is bad, in first swap_map */
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 117f0dd8ad0..b421d1b22b6 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -43,6 +43,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
 		KSWAPD_SKIP_CONGESTION_WAIT,
 		PAGEOUTRUN, ALLOCSTALL, PGROTATED,
+#ifdef CONFIG_COMPACTION
+		COMPACTBLOCKS, COMPACTPAGES, COMPACTPAGEFAILED,
+#endif
 #ifdef CONFIG_HUGETLB_PAGE
 		HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
 #endif
diff --git a/mm/Makefile b/mm/Makefile
index 6c2a73a54a4..8982504bd03 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_NUMA) 	+= mempolicy.o
 obj-$(CONFIG_SPARSEMEM)	+= sparse.o
 obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o
 obj-$(CONFIG_SLOB) += slob.o
+obj-$(CONFIG_COMPACTION) += compaction.o
 obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o
 obj-$(CONFIG_KSM) += ksm.o
 obj-$(CONFIG_PAGE_POISONING) += debug-pagealloc.o
diff --git a/mm/compaction.c b/mm/compaction.c
new file mode 100644
index 00000000000..be1ff3f7552
--- /dev/null
+++ b/mm/compaction.c
@@ -0,0 +1,393 @@
+/*
+ * linux/mm/compaction.c
+ *
+ * Memory compaction for the reduction of external fragmentation. Note that
+ * this heavily depends upon page migration to do all the real heavy
+ * lifting
+ *
+ * Copyright IBM Corp. 2007-2010 Mel Gorman <mel@csn.ul.ie>
+ */
+#include <linux/swap.h>
+#include <linux/migrate.h>
+#include <linux/compaction.h>
+#include <linux/mm_inline.h>
+#include <linux/backing-dev.h>
+#include "internal.h"
+
+/*
+ * compact_control is used to track pages being migrated and the free pages
+ * they are being migrated to during memory compaction. The free_pfn starts
+ * at the end of a zone and migrate_pfn begins at the start. Movable pages
+ * are moved to the end of a zone during a compaction run and the run
+ * completes when free_pfn <= migrate_pfn
+ */
+struct compact_control {
+	struct list_head freepages;	/* List of free pages to migrate to */
+	struct list_head migratepages;	/* List of pages being migrated */
+	unsigned long nr_freepages;	/* Number of isolated free pages */
+	unsigned long nr_migratepages;	/* Number of pages to migrate */
+	unsigned long free_pfn;		/* isolate_freepages search base */
+	unsigned long migrate_pfn;	/* isolate_migratepages search base */
+
+	/* Account for isolated anon and file pages */
+	unsigned long nr_anon;
+	unsigned long nr_file;
+
+	struct zone *zone;
+};
+
+static unsigned long release_freepages(struct list_head *freelist)
+{
+	struct page *page, *next;
+	unsigned long count = 0;
+
+	list_for_each_entry_safe(page, next, freelist, lru) {
+		list_del(&page->lru);
+		__free_page(page);
+		count++;
+	}
+
+	return count;
+}
+
+/* Isolate free pages onto a private freelist. Must hold zone->lock */
+static unsigned long isolate_freepages_block(struct zone *zone,
+				unsigned long blockpfn,
+				struct list_head *freelist)
+{
+	unsigned long zone_end_pfn, end_pfn;
+	int total_isolated = 0;
+	struct page *cursor;
+
+	/* Get the last PFN we should scan for free pages at */
+	zone_end_pfn = zone->zone_start_pfn + zone->spanned_pages;
+	end_pfn = min(blockpfn + pageblock_nr_pages, zone_end_pfn);
+
+	/* Find the first usable PFN in the block to initialse page cursor */
+	for (; blockpfn < end_pfn; blockpfn++) {
+		if (pfn_valid_within(blockpfn))
+			break;
+	}
+	cursor = pfn_to_page(blockpfn);
+
+	/* Isolate free pages. This assumes the block is valid */
+	for (; blockpfn < end_pfn; blockpfn++, cursor++) {
+		int isolated, i;
+		struct page *page = cursor;
+
+		if (!pfn_valid_within(blockpfn))
+			continue;
+
+		if (!PageBuddy(page))
+			continue;
+
+		/* Found a free page, break it into order-0 pages */
+		isolated = split_free_page(page);
+		total_isolated += isolated;
+		for (i = 0; i < isolated; i++) {
+			list_add(&page->lru, freelist);
+			page++;
+		}
+
+		/* If a page was split, advance to the end of it */
+		if (isolated) {
+			blockpfn += isolated - 1;
+			cursor += isolated - 1;
+		}
+	}
+
+	return total_isolated;
+}
+
+/* Returns true if the page is within a block suitable for migration to */
+static bool suitable_migration_target(struct page *page)
+{
+
+	int migratetype = get_pageblock_migratetype(page);
+
+	/* Don't interfere with memory hot-remove or the min_free_kbytes blocks */
+	if (migratetype == MIGRATE_ISOLATE || migratetype == MIGRATE_RESERVE)
+		return false;
+
+	/* If the page is a large free page, then allow migration */
+	if (PageBuddy(page) && page_order(page) >= pageblock_order)
+		return true;
+
+	/* If the block is MIGRATE_MOVABLE, allow migration */
+	if (migratetype == MIGRATE_MOVABLE)
+		return true;
+
+	/* Otherwise skip the block */
+	return false;
+}
+
+/*
+ * Based on information in the current compact_control, find blocks
+ * suitable for isolating free pages from and then isolate them.
+ */
+static void isolate_freepages(struct zone *zone,
+				struct compact_control *cc)
+{
+	struct page *page;
+	unsigned long high_pfn, low_pfn, pfn;
+	unsigned long flags;
+	int nr_freepages = cc->nr_freepages;
+	struct list_head *freelist = &cc->freepages;
+
+	pfn = cc->free_pfn;
+	low_pfn = cc->migrate_pfn + pageblock_nr_pages;
+	high_pfn = low_pfn;
+
+	/*
+	 * Isolate free pages until enough are available to migrate the
+	 * pages on cc->migratepages. We stop searching if the migrate
+	 * and free page scanners meet or enough free pages are isolated.
+	 */
+	spin_lock_irqsave(&zone->lock, flags);
+	for (; pfn > low_pfn && cc->nr_migratepages > nr_freepages;
+					pfn -= pageblock_nr_pages) {
+		unsigned long isolated;
+
+		if (!pfn_valid(pfn))
+			continue;
+
+		/*
+		 * Check for overlapping nodes/zones. It's possible on some
+		 * configurations to have a setup like
+		 * node0 node1 node0
+		 * i.e. it's possible that all pages within a zones range of
+		 * pages do not belong to a single zone.
+		 */
+		page = pfn_to_page(pfn);
+		if (page_zone(page) != zone)
+			continue;
+
+		/* Check the block is suitable for migration */
+		if (!suitable_migration_target(page))
+			continue;
+
+		/* Found a block suitable for isolating free pages from */
+		isolated = isolate_freepages_block(zone, pfn, freelist);
+		nr_freepages += isolated;
+
+		/*
+		 * Record the highest PFN we isolated pages from. When next
+		 * looking for free pages, the search will restart here as
+		 * page migration may have returned some pages to the allocator
+		 */
+		if (isolated)
+			high_pfn = max(high_pfn, pfn);
+	}
+	spin_unlock_irqrestore(&zone->lock, flags);
+
+	/* split_free_page does not map the pages */
+	list_for_each_entry(page, freelist, lru) {
+		arch_alloc_page(page, 0);
+		kernel_map_pages(page, 1, 1);
+	}
+
+	cc->free_pfn = high_pfn;
+	cc->nr_freepages = nr_freepages;
+}
+
+/* Update the number of anon and file isolated pages in the zone */
+static void acct_isolated(struct zone *zone, struct compact_control *cc)
+{
+	struct page *page;
+	unsigned int count[NR_LRU_LISTS] = { 0, };
+
+	list_for_each_entry(page, &cc->migratepages, lru) {
+		int lru = page_lru_base_type(page);
+		count[lru]++;
+	}
+
+	cc->nr_anon = count[LRU_ACTIVE_ANON] + count[LRU_INACTIVE_ANON];
+	cc->nr_file = count[LRU_ACTIVE_FILE] + count[LRU_INACTIVE_FILE];
+	__mod_zone_page_state(zone, NR_ISOLATED_ANON, cc->nr_anon);
+	__mod_zone_page_state(zone, NR_ISOLATED_FILE, cc->nr_file);
+}
+
+/* Similar to reclaim, but different enough that they don't share logic */
+static bool too_many_isolated(struct zone *zone)
+{
+
+	unsigned long inactive, isolated;
+
+	inactive = zone_page_state(zone, NR_INACTIVE_FILE) +
+					zone_page_state(zone, NR_INACTIVE_ANON);
+	isolated = zone_page_state(zone, NR_ISOLATED_FILE) +
+					zone_page_state(zone, NR_ISOLATED_ANON);
+
+	return isolated > inactive;
+}
+
+/*
+ * Isolate all pages that can be migrated from the block pointed to by
+ * the migrate scanner within compact_control.
+ */
+static unsigned long isolate_migratepages(struct zone *zone,
+					struct compact_control *cc)
+{
+	unsigned long low_pfn, end_pfn;
+	struct list_head *migratelist = &cc->migratepages;
+
+	/* Do not scan outside zone boundaries */
+	low_pfn = max(cc->migrate_pfn, zone->zone_start_pfn);
+
+	/* Only scan within a pageblock boundary */
+	end_pfn = ALIGN(low_pfn + pageblock_nr_pages, pageblock_nr_pages);
+
+	/* Do not cross the free scanner or scan within a memory hole */
+	if (end_pfn > cc->free_pfn || !pfn_valid(low_pfn)) {
+		cc->migrate_pfn = end_pfn;
+		return 0;
+	}
+
+	/*
+	 * Ensure that there are not too many pages isolated from the LRU
+	 * list by either parallel reclaimers or compaction. If there are,
+	 * delay for some time until fewer pages are isolated
+	 */
+	while (unlikely(too_many_isolated(zone))) {
+		congestion_wait(BLK_RW_ASYNC, HZ/10);
+
+		if (fatal_signal_pending(current))
+			return 0;
+	}
+
+	/* Time to isolate some pages for migration */
+	spin_lock_irq(&zone->lru_lock);
+	for (; low_pfn < end_pfn; low_pfn++) {
+		struct page *page;
+		if (!pfn_valid_within(low_pfn))
+			continue;
+
+		/* Get the page and skip if free */
+		page = pfn_to_page(low_pfn);
+		if (PageBuddy(page))
+			continue;
+
+		/* Try isolate the page */
+		if (__isolate_lru_page(page, ISOLATE_BOTH, 0) != 0)
+			continue;
+
+		/* Successfully isolated */
+		del_page_from_lru_list(zone, page, page_lru(page));
+		list_add(&page->lru, migratelist);
+		mem_cgroup_del_lru(page);
+		cc->nr_migratepages++;
+
+		/* Avoid isolating too much */
+		if (cc->nr_migratepages == COMPACT_CLUSTER_MAX)
+			break;
+	}
+
+	acct_isolated(zone, cc);
+
+	spin_unlock_irq(&zone->lru_lock);
+	cc->migrate_pfn = low_pfn;
+
+	return cc->nr_migratepages;
+}
+
+/*
+ * This is a migrate-callback that "allocates" freepages by taking pages
+ * from the isolated freelists in the block we are migrating to.
+ */
+static struct page *compaction_alloc(struct page *migratepage,
+					unsigned long data,
+					int **result)
+{
+	struct compact_control *cc = (struct compact_control *)data;
+	struct page *freepage;
+
+	/* Isolate free pages if necessary */
+	if (list_empty(&cc->freepages)) {
+		isolate_freepages(cc->zone, cc);
+
+		if (list_empty(&cc->freepages))
+			return NULL;
+	}
+
+	freepage = list_entry(cc->freepages.next, struct page, lru);
+	list_del(&freepage->lru);
+	cc->nr_freepages--;
+
+	return freepage;
+}
+
+/*
+ * We cannot control nr_migratepages and nr_freepages fully when migration is
+ * running as migrate_pages() has no knowledge of compact_control. When
+ * migration is complete, we count the number of pages on the lists by hand.
+ */
+static void update_nr_listpages(struct compact_control *cc)
+{
+	int nr_migratepages = 0;
+	int nr_freepages = 0;
+	struct page *page;
+
+	list_for_each_entry(page, &cc->migratepages, lru)
+		nr_migratepages++;
+	list_for_each_entry(page, &cc->freepages, lru)
+		nr_freepages++;
+
+	cc->nr_migratepages = nr_migratepages;
+	cc->nr_freepages = nr_freepages;
+}
+
+static int compact_finished(struct zone *zone,
+						struct compact_control *cc)
+{
+	if (fatal_signal_pending(current))
+		return COMPACT_PARTIAL;
+
+	/* Compaction run completes if the migrate and free scanner meet */
+	if (cc->free_pfn <= cc->migrate_pfn)
+		return COMPACT_COMPLETE;
+
+	return COMPACT_CONTINUE;
+}
+
+static int compact_zone(struct zone *zone, struct compact_control *cc)
+{
+	int ret;
+
+	/* Setup to move all movable pages to the end of the zone */
+	cc->migrate_pfn = zone->zone_start_pfn;
+	cc->free_pfn = cc->migrate_pfn + zone->spanned_pages;
+	cc->free_pfn &= ~(pageblock_nr_pages-1);
+
+	migrate_prep_local();
+
+	while ((ret = compact_finished(zone, cc)) == COMPACT_CONTINUE) {
+		unsigned long nr_migrate, nr_remaining;
+
+		if (!isolate_migratepages(zone, cc))
+			continue;
+
+		nr_migrate = cc->nr_migratepages;
+		migrate_pages(&cc->migratepages, compaction_alloc,
+						(unsigned long)cc, 0);
+		update_nr_listpages(cc);
+		nr_remaining = cc->nr_migratepages;
+
+		count_vm_event(COMPACTBLOCKS);
+		count_vm_events(COMPACTPAGES, nr_migrate - nr_remaining);
+		if (nr_remaining)
+			count_vm_events(COMPACTPAGEFAILED, nr_remaining);
+
+		/* Release LRU pages not migrated */
+		if (!list_empty(&cc->migratepages)) {
+			putback_lru_pages(&cc->migratepages);
+			cc->nr_migratepages = 0;
+		}
+
+	}
+
+	/* Release free pages and check accounting */
+	cc->nr_freepages -= release_freepages(&cc->freepages);
+	VM_BUG_ON(cc->nr_freepages != 0);
+
+	return ret;
+}
diff --git a/mm/migrate.c b/mm/migrate.c
index 4afd6fe3c07..09e2471afa0 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -40,7 +40,8 @@
 
 /*
  * migrate_prep() needs to be called before we start compiling a list of pages
- * to be migrated using isolate_lru_page().
+ * to be migrated using isolate_lru_page(). If scheduling work on other CPUs is
+ * undesirable, use migrate_prep_local()
  */
 int migrate_prep(void)
 {
@@ -55,6 +56,14 @@ int migrate_prep(void)
 	return 0;
 }
 
+/* Do the necessary work of migrate_prep but not if it involves other CPUs */
+int migrate_prep_local(void)
+{
+	lru_add_drain();
+
+	return 0;
+}
+
 /*
  * Add isolated pages on the list back to the LRU under page lock
  * to avoid leaking evictable pages back onto unevictable list.
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cefe6fe8d99..c54376a09f3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1207,6 +1207,51 @@ void split_page(struct page *page, unsigned int order)
 		set_page_refcounted(page + i);
 }
 
+/*
+ * Similar to split_page except the page is already free. As this is only
+ * being used for migration, the migratetype of the block also changes.
+ * As this is called with interrupts disabled, the caller is responsible
+ * for calling arch_alloc_page() and kernel_map_page() after interrupts
+ * are enabled.
+ *
+ * Note: this is probably too low level an operation for use in drivers.
+ * Please consult with lkml before using this in your driver.
+ */
+int split_free_page(struct page *page)
+{
+	unsigned int order;
+	unsigned long watermark;
+	struct zone *zone;
+
+	BUG_ON(!PageBuddy(page));
+
+	zone = page_zone(page);
+	order = page_order(page);
+
+	/* Obey watermarks as if the page was being allocated */
+	watermark = low_wmark_pages(zone) + (1 << order);
+	if (!zone_watermark_ok(zone, 0, watermark, 0, 0))
+		return 0;
+
+	/* Remove page from free list */
+	list_del(&page->lru);
+	zone->free_area[order].nr_free--;
+	rmv_page_order(page);
+	__mod_zone_page_state(zone, NR_FREE_PAGES, -(1UL << order));
+
+	/* Split into individual pages */
+	set_page_refcounted(page);
+	split_page(page, order);
+
+	if (order >= pageblock_order - 1) {
+		struct page *endpage = page + (1 << order) - 1;
+		for (; page < endpage; page += pageblock_nr_pages)
+			set_pageblock_migratetype(page, MIGRATE_MOVABLE);
+	}
+
+	return 1 << order;
+}
+
 /*
  * Really, prep_compound_page() should be called from __rmqueue_bulk().  But
  * we cheat by calling it from here, in the order > 0 path.  Saves a branch
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 23a5899c746..c6aacf51b55 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -766,6 +766,13 @@ static const char * const vmstat_text[] = {
 	"allocstall",
 
 	"pgrotated",
+
+#ifdef CONFIG_COMPACTION
+	"compact_blocks_moved",
+	"compact_pages_moved",
+	"compact_pagemigrate_failed",
+#endif
+
 #ifdef CONFIG_HUGETLB_PAGE
 	"htlb_buddy_alloc_success",
 	"htlb_buddy_alloc_fail",

From 76ab0f530e4a01d4dc20cdc1d5e87753c579dc18 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:28 -0700
Subject: [PATCH 3013/3638] mm: compaction: add /proc trigger for memory
 compaction

Add a proc file /proc/sys/vm/compact_memory.  When an arbitrary value is
written to the file, all zones are compacted.  The expected user of such a
trigger is a job scheduler that prepares the system before the target
application runs.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/sysctl/vm.txt | 10 ++++++
 include/linux/compaction.h  |  6 ++++
 kernel/sysctl.c             | 10 ++++++
 mm/compaction.c             | 62 +++++++++++++++++++++++++++++++++++++
 4 files changed, 88 insertions(+)

diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index 6c7d18c53f8..56dd29b97a9 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -19,6 +19,7 @@ files can be found in mm/swap.c.
 Currently, these files are in /proc/sys/vm:
 
 - block_dump
+- compact_memory
 - dirty_background_bytes
 - dirty_background_ratio
 - dirty_bytes
@@ -64,6 +65,15 @@ information on block I/O debugging is in Documentation/laptops/laptop-mode.txt.
 
 ==============================================================
 
+compact_memory
+
+Available only when CONFIG_COMPACTION is set. When 1 is written to the file,
+all zones are compacted such that free memory is available in contiguous
+blocks where possible. This can be important for example in the allocation of
+huge pages although processes will also directly compact memory as required.
+
+==============================================================
+
 dirty_background_bytes
 
 Contains the amount of dirty memory at which the pdflush background writeback
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 465ca88615e..572388880ba 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -6,4 +6,10 @@
 #define COMPACT_PARTIAL		1
 #define COMPACT_COMPLETE	2
 
+#ifdef CONFIG_COMPACTION
+extern int sysctl_compact_memory;
+extern int sysctl_compaction_handler(struct ctl_table *table, int write,
+			void __user *buffer, size_t *length, loff_t *ppos);
+#endif /* CONFIG_COMPACTION */
+
 #endif /* _LINUX_COMPACTION_H */
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 4c93486b45d..284f330d6a0 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -37,6 +37,7 @@
 #include <linux/highuid.h>
 #include <linux/writeback.h>
 #include <linux/ratelimit.h>
+#include <linux/compaction.h>
 #include <linux/hugetlb.h>
 #include <linux/initrd.h>
 #include <linux/key.h>
@@ -1121,6 +1122,15 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= drop_caches_sysctl_handler,
 	},
+#ifdef CONFIG_COMPACTION
+	{
+		.procname	= "compact_memory",
+		.data		= &sysctl_compact_memory,
+		.maxlen		= sizeof(int),
+		.mode		= 0200,
+		.proc_handler	= sysctl_compaction_handler,
+	},
+#endif /* CONFIG_COMPACTION */
 	{
 		.procname	= "min_free_kbytes",
 		.data		= &min_free_kbytes,
diff --git a/mm/compaction.c b/mm/compaction.c
index be1ff3f7552..77854fbc0f5 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -12,6 +12,7 @@
 #include <linux/compaction.h>
 #include <linux/mm_inline.h>
 #include <linux/backing-dev.h>
+#include <linux/sysctl.h>
 #include "internal.h"
 
 /*
@@ -391,3 +392,64 @@ static int compact_zone(struct zone *zone, struct compact_control *cc)
 
 	return ret;
 }
+
+/* Compact all zones within a node */
+static int compact_node(int nid)
+{
+	int zoneid;
+	pg_data_t *pgdat;
+	struct zone *zone;
+
+	if (nid < 0 || nid >= nr_node_ids || !node_online(nid))
+		return -EINVAL;
+	pgdat = NODE_DATA(nid);
+
+	/* Flush pending updates to the LRU lists */
+	lru_add_drain_all();
+
+	for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
+		struct compact_control cc = {
+			.nr_freepages = 0,
+			.nr_migratepages = 0,
+		};
+
+		zone = &pgdat->node_zones[zoneid];
+		if (!populated_zone(zone))
+			continue;
+
+		cc.zone = zone;
+		INIT_LIST_HEAD(&cc.freepages);
+		INIT_LIST_HEAD(&cc.migratepages);
+
+		compact_zone(zone, &cc);
+
+		VM_BUG_ON(!list_empty(&cc.freepages));
+		VM_BUG_ON(!list_empty(&cc.migratepages));
+	}
+
+	return 0;
+}
+
+/* Compact all nodes in the system */
+static int compact_nodes(void)
+{
+	int nid;
+
+	for_each_online_node(nid)
+		compact_node(nid);
+
+	return COMPACT_COMPLETE;
+}
+
+/* The written value is actually unused, all memory is compacted */
+int sysctl_compact_memory;
+
+/* This is the entry point for compacting all nodes via /proc/sys/vm */
+int sysctl_compaction_handler(struct ctl_table *table, int write,
+			void __user *buffer, size_t *length, loff_t *ppos)
+{
+	if (write)
+		return compact_nodes();
+
+	return 0;
+}

From ed4a6d7f0676db50b5023cc01f6cda82a2f2a307 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:29 -0700
Subject: [PATCH 3014/3638] mm: compaction: add /sys trigger for per-node
 memory compaction

Add a per-node sysfs file called compact.  When the file is written to,
each zone in that node is compacted.  The intention that this would be
used by something like a job scheduler in a batch system before a job
starts so that the job can allocate the maximum number of hugepages
without significant start-up cost.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/ABI/testing/sysfs-devices-node |  7 ++++++
 drivers/base/node.c                          |  3 +++
 include/linux/compaction.h                   | 16 ++++++++++++++
 mm/compaction.c                              | 23 ++++++++++++++++++++
 4 files changed, 49 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-devices-node

diff --git a/Documentation/ABI/testing/sysfs-devices-node b/Documentation/ABI/testing/sysfs-devices-node
new file mode 100644
index 00000000000..453a210c3ce
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-devices-node
@@ -0,0 +1,7 @@
+What:		/sys/devices/system/node/nodeX/compact
+Date:		February 2010
+Contact:	Mel Gorman <mel@csn.ul.ie>
+Description:
+		When this file is written to, all memory within that node
+		will be compacted. When it completes, memory will be freed
+		into blocks which have as many contiguous pages as possible
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 057979a19ee..2bdd8a94ec9 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -9,6 +9,7 @@
 #include <linux/memory.h>
 #include <linux/node.h>
 #include <linux/hugetlb.h>
+#include <linux/compaction.h>
 #include <linux/cpumask.h>
 #include <linux/topology.h>
 #include <linux/nodemask.h>
@@ -246,6 +247,8 @@ int register_node(struct node *node, int num, struct node *parent)
 		scan_unevictable_register_node(node);
 
 		hugetlb_register_node(node);
+
+		compaction_register_node(node);
 	}
 	return error;
 }
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 572388880ba..ba98cfe0ae1 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -12,4 +12,20 @@ extern int sysctl_compaction_handler(struct ctl_table *table, int write,
 			void __user *buffer, size_t *length, loff_t *ppos);
 #endif /* CONFIG_COMPACTION */
 
+#if defined(CONFIG_COMPACTION) && defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
+extern int compaction_register_node(struct node *node);
+extern void compaction_unregister_node(struct node *node);
+
+#else
+
+static inline int compaction_register_node(struct node *node)
+{
+	return 0;
+}
+
+static inline void compaction_unregister_node(struct node *node)
+{
+}
+#endif /* CONFIG_COMPACTION && CONFIG_SYSFS && CONFIG_NUMA */
+
 #endif /* _LINUX_COMPACTION_H */
diff --git a/mm/compaction.c b/mm/compaction.c
index 77854fbc0f5..f61f77983ff 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -13,6 +13,7 @@
 #include <linux/mm_inline.h>
 #include <linux/backing-dev.h>
 #include <linux/sysctl.h>
+#include <linux/sysfs.h>
 #include "internal.h"
 
 /*
@@ -453,3 +454,25 @@ int sysctl_compaction_handler(struct ctl_table *table, int write,
 
 	return 0;
 }
+
+#if defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
+ssize_t sysfs_compact_node(struct sys_device *dev,
+			struct sysdev_attribute *attr,
+			const char *buf, size_t count)
+{
+	compact_node(dev->id);
+
+	return count;
+}
+static SYSDEV_ATTR(compact, S_IWUSR, NULL, sysfs_compact_node);
+
+int compaction_register_node(struct node *node)
+{
+	return sysdev_create_file(&node->sysdev, &attr_compact);
+}
+
+void compaction_unregister_node(struct node *node)
+{
+	return sysdev_remove_file(&node->sysdev, &attr_compact);
+}
+#endif /* CONFIG_SYSFS && CONFIG_NUMA */

From 56de7263fcf3eb10c8dcdf8d59a9cec831795f3f Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:30 -0700
Subject: [PATCH 3015/3638] mm: compaction: direct compact when a high-order
 allocation fails

Ordinarily when a high-order allocation fails, direct reclaim is entered
to free pages to satisfy the allocation.  With this patch, it is
determined if an allocation failed due to external fragmentation instead
of low memory and if so, the calling process will compact until a suitable
page is freed.  Compaction by moving pages in memory is considerably
cheaper than paging out to disk and works where there are locked pages or
no swap.  If compaction fails to free a page of a suitable size, then
reclaim will still occur.

Direct compaction returns as soon as possible.  As each block is
compacted, it is checked if a suitable page has been freed and if so, it
returns.

[akpm@linux-foundation.org: Fix build errors]
[aarcange@redhat.com: fix count_vm_event preempt in memory compaction direct reclaim]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/compaction.h |  24 ++++++--
 include/linux/vmstat.h     |   1 +
 mm/compaction.c            | 117 +++++++++++++++++++++++++++++++++++++
 mm/page_alloc.c            |  63 ++++++++++++++++++++
 mm/vmstat.c                |  16 ++++-
 5 files changed, 215 insertions(+), 6 deletions(-)

diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index ba98cfe0ae1..eed40ec4280 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -1,15 +1,31 @@
 #ifndef _LINUX_COMPACTION_H
 #define _LINUX_COMPACTION_H
 
-/* Return values for compact_zone() */
-#define COMPACT_CONTINUE	0
-#define COMPACT_PARTIAL		1
-#define COMPACT_COMPLETE	2
+/* Return values for compact_zone() and try_to_compact_pages() */
+/* compaction didn't start as it was not possible or direct reclaim was more suitable */
+#define COMPACT_SKIPPED		0
+/* compaction should continue to another pageblock */
+#define COMPACT_CONTINUE	1
+/* direct compaction partially compacted a zone and there are suitable pages */
+#define COMPACT_PARTIAL		2
+/* The full zone was compacted */
+#define COMPACT_COMPLETE	3
 
 #ifdef CONFIG_COMPACTION
 extern int sysctl_compact_memory;
 extern int sysctl_compaction_handler(struct ctl_table *table, int write,
 			void __user *buffer, size_t *length, loff_t *ppos);
+
+extern int fragmentation_index(struct zone *zone, unsigned int order);
+extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
+			int order, gfp_t gfp_mask, nodemask_t *mask);
+#else
+static inline unsigned long try_to_compact_pages(struct zonelist *zonelist,
+			int order, gfp_t gfp_mask, nodemask_t *nodemask)
+{
+	return COMPACT_CONTINUE;
+}
+
 #endif /* CONFIG_COMPACTION */
 
 #if defined(CONFIG_COMPACTION) && defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index b421d1b22b6..7f43ccdc1d3 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -45,6 +45,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		PAGEOUTRUN, ALLOCSTALL, PGROTATED,
 #ifdef CONFIG_COMPACTION
 		COMPACTBLOCKS, COMPACTPAGES, COMPACTPAGEFAILED,
+		COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
 #endif
 #ifdef CONFIG_HUGETLB_PAGE
 		HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
diff --git a/mm/compaction.c b/mm/compaction.c
index f61f77983ff..9583e193dc4 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -35,6 +35,8 @@ struct compact_control {
 	unsigned long nr_anon;
 	unsigned long nr_file;
 
+	unsigned int order;		/* order a direct compactor needs */
+	int migratetype;		/* MOVABLE, RECLAIMABLE etc */
 	struct zone *zone;
 };
 
@@ -341,6 +343,9 @@ static void update_nr_listpages(struct compact_control *cc)
 static int compact_finished(struct zone *zone,
 						struct compact_control *cc)
 {
+	unsigned int order;
+	unsigned long watermark = low_wmark_pages(zone) + (1 << cc->order);
+
 	if (fatal_signal_pending(current))
 		return COMPACT_PARTIAL;
 
@@ -348,6 +353,24 @@ static int compact_finished(struct zone *zone,
 	if (cc->free_pfn <= cc->migrate_pfn)
 		return COMPACT_COMPLETE;
 
+	/* Compaction run is not finished if the watermark is not met */
+	if (!zone_watermark_ok(zone, cc->order, watermark, 0, 0))
+		return COMPACT_CONTINUE;
+
+	if (cc->order == -1)
+		return COMPACT_CONTINUE;
+
+	/* Direct compactor: Is a suitable page free? */
+	for (order = cc->order; order < MAX_ORDER; order++) {
+		/* Job done if page is free of the right migratetype */
+		if (!list_empty(&zone->free_area[order].free_list[cc->migratetype]))
+			return COMPACT_PARTIAL;
+
+		/* Job done if allocation would set block type */
+		if (order >= pageblock_order && zone->free_area[order].nr_free)
+			return COMPACT_PARTIAL;
+	}
+
 	return COMPACT_CONTINUE;
 }
 
@@ -394,6 +417,99 @@ static int compact_zone(struct zone *zone, struct compact_control *cc)
 	return ret;
 }
 
+static unsigned long compact_zone_order(struct zone *zone,
+						int order, gfp_t gfp_mask)
+{
+	struct compact_control cc = {
+		.nr_freepages = 0,
+		.nr_migratepages = 0,
+		.order = order,
+		.migratetype = allocflags_to_migratetype(gfp_mask),
+		.zone = zone,
+	};
+	INIT_LIST_HEAD(&cc.freepages);
+	INIT_LIST_HEAD(&cc.migratepages);
+
+	return compact_zone(zone, &cc);
+}
+
+/**
+ * try_to_compact_pages - Direct compact to satisfy a high-order allocation
+ * @zonelist: The zonelist used for the current allocation
+ * @order: The order of the current allocation
+ * @gfp_mask: The GFP mask of the current allocation
+ * @nodemask: The allowed nodes to allocate from
+ *
+ * This is the main entry point for direct page compaction.
+ */
+unsigned long try_to_compact_pages(struct zonelist *zonelist,
+			int order, gfp_t gfp_mask, nodemask_t *nodemask)
+{
+	enum zone_type high_zoneidx = gfp_zone(gfp_mask);
+	int may_enter_fs = gfp_mask & __GFP_FS;
+	int may_perform_io = gfp_mask & __GFP_IO;
+	unsigned long watermark;
+	struct zoneref *z;
+	struct zone *zone;
+	int rc = COMPACT_SKIPPED;
+
+	/*
+	 * Check whether it is worth even starting compaction. The order check is
+	 * made because an assumption is made that the page allocator can satisfy
+	 * the "cheaper" orders without taking special steps
+	 */
+	if (order <= PAGE_ALLOC_COSTLY_ORDER || !may_enter_fs || !may_perform_io)
+		return rc;
+
+	count_vm_event(COMPACTSTALL);
+
+	/* Compact each zone in the list */
+	for_each_zone_zonelist_nodemask(zone, z, zonelist, high_zoneidx,
+								nodemask) {
+		int fragindex;
+		int status;
+
+		/*
+		 * Watermarks for order-0 must be met for compaction. Note
+		 * the 2UL. This is because during migration, copies of
+		 * pages need to be allocated and for a short time, the
+		 * footprint is higher
+		 */
+		watermark = low_wmark_pages(zone) + (2UL << order);
+		if (!zone_watermark_ok(zone, 0, watermark, 0, 0))
+			continue;
+
+		/*
+		 * fragmentation index determines if allocation failures are
+		 * due to low memory or external fragmentation
+		 *
+		 * index of -1 implies allocations might succeed depending
+		 * 	on watermarks
+		 * index towards 0 implies failure is due to lack of memory
+		 * index towards 1000 implies failure is due to fragmentation
+		 *
+		 * Only compact if a failure would be due to fragmentation.
+		 */
+		fragindex = fragmentation_index(zone, order);
+		if (fragindex >= 0 && fragindex <= 500)
+			continue;
+
+		if (fragindex == -1 && zone_watermark_ok(zone, order, watermark, 0, 0)) {
+			rc = COMPACT_PARTIAL;
+			break;
+		}
+
+		status = compact_zone_order(zone, order, gfp_mask);
+		rc = max(status, rc);
+
+		if (zone_watermark_ok(zone, order, watermark, 0, 0))
+			break;
+	}
+
+	return rc;
+}
+
+
 /* Compact all zones within a node */
 static int compact_node(int nid)
 {
@@ -412,6 +528,7 @@ static int compact_node(int nid)
 		struct compact_control cc = {
 			.nr_freepages = 0,
 			.nr_migratepages = 0,
+			.order = -1,
 		};
 
 		zone = &pgdat->node_zones[zoneid];
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c54376a09f3..cd88a860f08 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -49,6 +49,7 @@
 #include <linux/debugobjects.h>
 #include <linux/kmemleak.h>
 #include <linux/memory.h>
+#include <linux/compaction.h>
 #include <trace/events/kmem.h>
 #include <linux/ftrace_event.h>
 
@@ -1758,6 +1759,59 @@ out:
 	return page;
 }
 
+#ifdef CONFIG_COMPACTION
+/* Try memory compaction for high-order allocations before reclaim */
+static struct page *
+__alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
+	struct zonelist *zonelist, enum zone_type high_zoneidx,
+	nodemask_t *nodemask, int alloc_flags, struct zone *preferred_zone,
+	int migratetype, unsigned long *did_some_progress)
+{
+	struct page *page;
+
+	if (!order)
+		return NULL;
+
+	*did_some_progress = try_to_compact_pages(zonelist, order, gfp_mask,
+								nodemask);
+	if (*did_some_progress != COMPACT_SKIPPED) {
+
+		/* Page migration frees to the PCP lists but we want merging */
+		drain_pages(get_cpu());
+		put_cpu();
+
+		page = get_page_from_freelist(gfp_mask, nodemask,
+				order, zonelist, high_zoneidx,
+				alloc_flags, preferred_zone,
+				migratetype);
+		if (page) {
+			count_vm_event(COMPACTSUCCESS);
+			return page;
+		}
+
+		/*
+		 * It's bad if compaction run occurs and fails.
+		 * The most likely reason is that pages exist,
+		 * but not enough to satisfy watermarks.
+		 */
+		count_vm_event(COMPACTFAIL);
+
+		cond_resched();
+	}
+
+	return NULL;
+}
+#else
+static inline struct page *
+__alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
+	struct zonelist *zonelist, enum zone_type high_zoneidx,
+	nodemask_t *nodemask, int alloc_flags, struct zone *preferred_zone,
+	int migratetype, unsigned long *did_some_progress)
+{
+	return NULL;
+}
+#endif /* CONFIG_COMPACTION */
+
 /* The really slow allocator path where we enter direct reclaim */
 static inline struct page *
 __alloc_pages_direct_reclaim(gfp_t gfp_mask, unsigned int order,
@@ -1944,6 +1998,15 @@ rebalance:
 	if (test_thread_flag(TIF_MEMDIE) && !(gfp_mask & __GFP_NOFAIL))
 		goto nopage;
 
+	/* Try direct compaction */
+	page = __alloc_pages_direct_compact(gfp_mask, order,
+					zonelist, high_zoneidx,
+					nodemask,
+					alloc_flags, preferred_zone,
+					migratetype, &did_some_progress);
+	if (page)
+		goto got_pg;
+
 	/* Try direct reclaim and then allocating */
 	page = __alloc_pages_direct_reclaim(gfp_mask, order,
 					zonelist, high_zoneidx,
diff --git a/mm/vmstat.c b/mm/vmstat.c
index c6aacf51b55..7759941d4e7 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -429,7 +429,7 @@ static void fill_contig_page_info(struct zone *zone,
  * The value can be used to determine if page reclaim or compaction
  * should be used
  */
-int fragmentation_index(unsigned int order, struct contig_page_info *info)
+static int __fragmentation_index(unsigned int order, struct contig_page_info *info)
 {
 	unsigned long requested = 1UL << order;
 
@@ -448,6 +448,15 @@ int fragmentation_index(unsigned int order, struct contig_page_info *info)
 	 */
 	return 1000 - div_u64( (1000+(div_u64(info->free_pages * 1000ULL, requested))), info->free_blocks_total);
 }
+
+/* Same as __fragmentation index but allocs contig_page_info on stack */
+int fragmentation_index(struct zone *zone, unsigned int order)
+{
+	struct contig_page_info info;
+
+	fill_contig_page_info(zone, order, &info);
+	return __fragmentation_index(order, &info);
+}
 #endif
 
 #if defined(CONFIG_PROC_FS) || defined(CONFIG_COMPACTION)
@@ -771,6 +780,9 @@ static const char * const vmstat_text[] = {
 	"compact_blocks_moved",
 	"compact_pages_moved",
 	"compact_pagemigrate_failed",
+	"compact_stall",
+	"compact_fail",
+	"compact_success",
 #endif
 
 #ifdef CONFIG_HUGETLB_PAGE
@@ -1136,7 +1148,7 @@ static void extfrag_show_print(struct seq_file *m,
 				zone->name);
 	for (order = 0; order < MAX_ORDER; ++order) {
 		fill_contig_page_info(zone, order, &info);
-		index = fragmentation_index(order, &info);
+		index = __fragmentation_index(order, &info);
 		seq_printf(m, "%d.%03d ", index / 1000, index % 1000);
 	}
 

From 5e7719058079a1423ccce56148b0aaa56b2df821 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:31 -0700
Subject: [PATCH 3016/3638] mm: compaction: add a tunable that decides when
 memory should be compacted and when it should be reclaimed

The kernel applies some heuristics when deciding if memory should be
compacted or reclaimed to satisfy a high-order allocation.  One of these
is based on the fragmentation.  If the index is below 500, memory will not
be compacted.  This choice is arbitrary and not based on data.  To help
optimise the system and set a sensible default for this value, this patch
adds a sysctl extfrag_threshold.  The kernel will only compact memory if
the fragmentation index is above the extfrag_threshold.

[randy.dunlap@oracle.com: Fix build errors when proc fs is not configured]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/sysctl/vm.txt | 15 +++++++++++++++
 include/linux/compaction.h  |  3 +++
 kernel/sysctl.c             | 15 +++++++++++++++
 mm/compaction.c             | 12 +++++++++++-
 4 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index 56dd29b97a9..5fdbb612aeb 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -27,6 +27,7 @@ Currently, these files are in /proc/sys/vm:
 - dirty_ratio
 - dirty_writeback_centisecs
 - drop_caches
+- extfrag_threshold
 - hugepages_treat_as_movable
 - hugetlb_shm_group
 - laptop_mode
@@ -149,6 +150,20 @@ user should run `sync' first.
 
 ==============================================================
 
+extfrag_threshold
+
+This parameter affects whether the kernel will compact memory or direct
+reclaim to satisfy a high-order allocation. /proc/extfrag_index shows what
+the fragmentation index for each order is in each zone in the system. Values
+tending towards 0 imply allocations would fail due to lack of memory,
+values towards 1000 imply failures are due to fragmentation and -1 implies
+that the allocation will succeed as long as watermarks are met.
+
+The kernel will not compact memory in a zone if the
+fragmentation index is <= extfrag_threshold. The default value is 500.
+
+==============================================================
+
 hugepages_treat_as_movable
 
 This parameter is only useful when kernelcore= is specified at boot time to
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index eed40ec4280..3719325c609 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -15,6 +15,9 @@
 extern int sysctl_compact_memory;
 extern int sysctl_compaction_handler(struct ctl_table *table, int write,
 			void __user *buffer, size_t *length, loff_t *ppos);
+extern int sysctl_extfrag_threshold;
+extern int sysctl_extfrag_handler(struct ctl_table *table, int write,
+			void __user *buffer, size_t *length, loff_t *ppos);
 
 extern int fragmentation_index(struct zone *zone, unsigned int order);
 extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 284f330d6a0..84ff5e75c08 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -263,6 +263,11 @@ static int min_sched_shares_ratelimit = 100000; /* 100 usec */
 static int max_sched_shares_ratelimit = NSEC_PER_SEC; /* 1 second */
 #endif
 
+#ifdef CONFIG_COMPACTION
+static int min_extfrag_threshold;
+static int max_extfrag_threshold = 1000;
+#endif
+
 static struct ctl_table kern_table[] = {
 	{
 		.procname	= "sched_child_runs_first",
@@ -1130,6 +1135,16 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0200,
 		.proc_handler	= sysctl_compaction_handler,
 	},
+	{
+		.procname	= "extfrag_threshold",
+		.data		= &sysctl_extfrag_threshold,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= sysctl_extfrag_handler,
+		.extra1		= &min_extfrag_threshold,
+		.extra2		= &max_extfrag_threshold,
+	},
+
 #endif /* CONFIG_COMPACTION */
 	{
 		.procname	= "min_free_kbytes",
diff --git a/mm/compaction.c b/mm/compaction.c
index 9583e193dc4..94cce51b0b3 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -433,6 +433,8 @@ static unsigned long compact_zone_order(struct zone *zone,
 	return compact_zone(zone, &cc);
 }
 
+int sysctl_extfrag_threshold = 500;
+
 /**
  * try_to_compact_pages - Direct compact to satisfy a high-order allocation
  * @zonelist: The zonelist used for the current allocation
@@ -491,7 +493,7 @@ unsigned long try_to_compact_pages(struct zonelist *zonelist,
 		 * Only compact if a failure would be due to fragmentation.
 		 */
 		fragindex = fragmentation_index(zone, order);
-		if (fragindex >= 0 && fragindex <= 500)
+		if (fragindex >= 0 && fragindex <= sysctl_extfrag_threshold)
 			continue;
 
 		if (fragindex == -1 && zone_watermark_ok(zone, order, watermark, 0, 0)) {
@@ -572,6 +574,14 @@ int sysctl_compaction_handler(struct ctl_table *table, int write,
 	return 0;
 }
 
+int sysctl_extfrag_handler(struct ctl_table *table, int write,
+			void __user *buffer, size_t *length, loff_t *ppos)
+{
+	proc_dointvec_minmax(table, write, buffer, length, ppos);
+
+	return 0;
+}
+
 #if defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
 ssize_t sysfs_compact_node(struct sys_device *dev,
 			struct sysdev_attribute *attr,

From 4f92e2586b43a2402e116055d4edda704f911b5b Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Mon, 24 May 2010 14:32:32 -0700
Subject: [PATCH 3017/3638] mm: compaction: defer compaction using an
 exponential backoff when compaction fails

The fragmentation index may indicate that a failure is due to external
fragmentation but after a compaction run completes, it is still possible
for an allocation to fail.  There are two obvious reasons as to why

  o Page migration cannot move all pages so fragmentation remains
  o A suitable page may exist but watermarks are not met

In the event of compaction followed by an allocation failure, this patch
defers further compaction in the zone (1 << compact_defer_shift) times.
If the next compaction attempt also fails, compact_defer_shift is
increased up to a maximum of 6.  If compaction succeeds, the defer
counters are reset again.

The zone that is deferred is the first zone in the zonelist - i.e.  the
preferred zone.  To defer compaction in the other zones, the information
would need to be stored in the zonelist or implemented similar to the
zonelist_cache.  This would impact the fast-paths and is not justified at
this time.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/compaction.h | 39 ++++++++++++++++++++++++++++++++++++++
 include/linux/mmzone.h     |  9 +++++++++
 mm/page_alloc.c            |  5 ++++-
 3 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 3719325c609..5ac51552d90 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -22,6 +22,36 @@ extern int sysctl_extfrag_handler(struct ctl_table *table, int write,
 extern int fragmentation_index(struct zone *zone, unsigned int order);
 extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
 			int order, gfp_t gfp_mask, nodemask_t *mask);
+
+/* Do not skip compaction more than 64 times */
+#define COMPACT_MAX_DEFER_SHIFT 6
+
+/*
+ * Compaction is deferred when compaction fails to result in a page
+ * allocation success. 1 << compact_defer_limit compactions are skipped up
+ * to a limit of 1 << COMPACT_MAX_DEFER_SHIFT
+ */
+static inline void defer_compaction(struct zone *zone)
+{
+	zone->compact_considered = 0;
+	zone->compact_defer_shift++;
+
+	if (zone->compact_defer_shift > COMPACT_MAX_DEFER_SHIFT)
+		zone->compact_defer_shift = COMPACT_MAX_DEFER_SHIFT;
+}
+
+/* Returns true if compaction should be skipped this time */
+static inline bool compaction_deferred(struct zone *zone)
+{
+	unsigned long defer_limit = 1UL << zone->compact_defer_shift;
+
+	/* Avoid possible overflow */
+	if (++zone->compact_considered > defer_limit)
+		zone->compact_considered = defer_limit;
+
+	return zone->compact_considered < (1UL << zone->compact_defer_shift);
+}
+
 #else
 static inline unsigned long try_to_compact_pages(struct zonelist *zonelist,
 			int order, gfp_t gfp_mask, nodemask_t *nodemask)
@@ -29,6 +59,15 @@ static inline unsigned long try_to_compact_pages(struct zonelist *zonelist,
 	return COMPACT_CONTINUE;
 }
 
+static inline void defer_compaction(struct zone *zone)
+{
+}
+
+static inline bool compaction_deferred(struct zone *zone)
+{
+	return 1;
+}
+
 #endif /* CONFIG_COMPACTION */
 
 #if defined(CONFIG_COMPACTION) && defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index cf9e458e96b..fd55f725a09 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -321,6 +321,15 @@ struct zone {
 	unsigned long		*pageblock_flags;
 #endif /* CONFIG_SPARSEMEM */
 
+#ifdef CONFIG_COMPACTION
+	/*
+	 * On compaction failure, 1<<compact_defer_shift compactions
+	 * are skipped before trying again. The number attempted since
+	 * last failure is tracked with compact_considered.
+	 */
+	unsigned int		compact_considered;
+	unsigned int		compact_defer_shift;
+#endif
 
 	ZONE_PADDING(_pad1_)
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cd88a860f08..95ad42de5a8 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1769,7 +1769,7 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
 {
 	struct page *page;
 
-	if (!order)
+	if (!order || compaction_deferred(preferred_zone))
 		return NULL;
 
 	*did_some_progress = try_to_compact_pages(zonelist, order, gfp_mask,
@@ -1785,6 +1785,8 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
 				alloc_flags, preferred_zone,
 				migratetype);
 		if (page) {
+			preferred_zone->compact_considered = 0;
+			preferred_zone->compact_defer_shift = 0;
 			count_vm_event(COMPACTSUCCESS);
 			return page;
 		}
@@ -1795,6 +1797,7 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
 		 * but not enough to satisfy watermarks.
 		 */
 		count_vm_event(COMPACTFAIL);
+		defer_compaction(preferred_zone);
 
 		cond_resched();
 	}

From 6ec3a12712ac67ffa4b80d16e0767ffd2431a68d Mon Sep 17 00:00:00 2001
From: Greg Thelen <gthelen@google.com>
Date: Mon, 24 May 2010 14:32:33 -0700
Subject: [PATCH 3018/3638] mm: consider the entire user address space during
 node migration

Use mm->task_size instead of TASK_SIZE to ensure that the entire user
address space is migrated.  mm->task_size is independent of the calling
task context.  TASK SIZE may be dependant on the address space size of the
calling process.  Usage of TASK_SIZE can lead to partial address space
migration if the calling process was 32 bit and the migrating process was
64 bit.

Here is the test script used on 64 system with a 32 bit echo process:

  mount -t cgroup none /cgroup -o cpuset
  cd /cgroup

  mkdir 0
  echo 1 > 0/cpuset.cpus
  echo 0 > 0/cpuset.mems
  echo 1 > 0/cpuset.memory_migrate

  mkdir 1
  echo 1 > 1/cpuset.cpus
  echo 1 > 1/cpuset.mems
  echo 1 > 1/cpuset.memory_migrate

  echo $$ > 0/tasks
  64_bit_process &
  pid=$!

  echo $pid > 1/tasks   # This does not migrate all process pages without
                        # this patch.  If 64 bit echo is used or this patch is
                        # applied, then the full address space of $pid is
                        # migrated.

To check memory migration, I watched:
  grep MemUsed /sys/devices/system/node/node*/meminfo

Signed-off-by: Greg Thelen <gthelen@google.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 721b2b33803..75751012c55 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -928,7 +928,7 @@ static int migrate_to_node(struct mm_struct *mm, int source, int dest,
 	nodes_clear(nmask);
 	node_set(source, nmask);
 
-	check_range(mm, mm->mmap->vm_start, TASK_SIZE, &nmask,
+	check_range(mm, mm->mmap->vm_start, mm->task_size, &nmask,
 			flags | MPOL_MF_DISCONTIG_OK, &pagelist);
 
 	if (!list_empty(&pagelist))

From 76a33fc380c9a65e01eb15b3b87c05863a0d51db Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Mon, 24 May 2010 14:32:36 -0700
Subject: [PATCH 3019/3638] vmscan: prevent get_scan_ratio() rounding errors

get_scan_ratio() calculates percentage and if the percentage is < 1%, it
will round percentage down to 0% and cause we completely ignore scanning
anon/file pages to reclaim memory even the total anon/file pages are very
big.

To avoid underflow, we don't use percentage, instead we directly calculate
how many pages should be scaned.  In this way, we should get several
scanned pages for < 1% percent.

This has some benefits:

1. increase our calculation precision

2.  making our scan more smoothly.  Without this, if percent[x] is
   underflow, shrink_zone() doesn't scan any pages and suddenly it scans
   all pages when priority is zero.  With this, even priority isn't zero,
   shrink_zone() gets chance to scan some pages.

Note, this patch doesn't really change logics, but just increase
precision.  For system with a lot of memory, this might slightly changes
behavior.  For example, in a sequential file read workload, without the
patch, we don't swap any anon pages.  With it, if anon memory size is
bigger than 16G, we will see one anon page swapped.  The 16G is calculated
as PAGE_SIZE * priority(4096) * (fp/ap).  fp/ap is assumed to be 1024
which is common in this workload.  So the impact sounds not a big deal.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmscan.c | 107 +++++++++++++++++++++++++++-------------------------
 1 file changed, 55 insertions(+), 52 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 25b0202c60d..8e1d72333e8 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1513,22 +1513,53 @@ static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan,
 	return shrink_inactive_list(nr_to_scan, zone, sc, priority, file);
 }
 
+/*
+ * Smallish @nr_to_scan's are deposited in @nr_saved_scan,
+ * until we collected @swap_cluster_max pages to scan.
+ */
+static unsigned long nr_scan_try_batch(unsigned long nr_to_scan,
+				       unsigned long *nr_saved_scan)
+{
+	unsigned long nr;
+
+	*nr_saved_scan += nr_to_scan;
+	nr = *nr_saved_scan;
+
+	if (nr >= SWAP_CLUSTER_MAX)
+		*nr_saved_scan = 0;
+	else
+		nr = 0;
+
+	return nr;
+}
+
 /*
  * Determine how aggressively the anon and file LRU lists should be
  * scanned.  The relative value of each set of LRU lists is determined
  * by looking at the fraction of the pages scanned we did rotate back
  * onto the active list instead of evict.
  *
- * percent[0] specifies how much pressure to put on ram/swap backed
- * memory, while percent[1] determines pressure on the file LRUs.
+ * nr[0] = anon pages to scan; nr[1] = file pages to scan
  */
-static void get_scan_ratio(struct zone *zone, struct scan_control *sc,
-					unsigned long *percent)
+static void get_scan_count(struct zone *zone, struct scan_control *sc,
+					unsigned long *nr, int priority)
 {
 	unsigned long anon, file, free;
 	unsigned long anon_prio, file_prio;
 	unsigned long ap, fp;
 	struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc);
+	u64 fraction[2], denominator;
+	enum lru_list l;
+	int noswap = 0;
+
+	/* If we have no swap space, do not bother scanning anon pages. */
+	if (!sc->may_swap || (nr_swap_pages <= 0)) {
+		noswap = 1;
+		fraction[0] = 0;
+		fraction[1] = 1;
+		denominator = 1;
+		goto out;
+	}
 
 	anon  = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_ANON) +
 		zone_nr_lru_pages(zone, sc, LRU_INACTIVE_ANON);
@@ -1540,9 +1571,10 @@ static void get_scan_ratio(struct zone *zone, struct scan_control *sc,
 		/* If we have very few page cache pages,
 		   force-scan anon pages. */
 		if (unlikely(file + free <= high_wmark_pages(zone))) {
-			percent[0] = 100;
-			percent[1] = 0;
-			return;
+			fraction[0] = 1;
+			fraction[1] = 0;
+			denominator = 1;
+			goto out;
 		}
 	}
 
@@ -1589,29 +1621,22 @@ static void get_scan_ratio(struct zone *zone, struct scan_control *sc,
 	fp = (file_prio + 1) * (reclaim_stat->recent_scanned[1] + 1);
 	fp /= reclaim_stat->recent_rotated[1] + 1;
 
-	/* Normalize to percentages */
-	percent[0] = 100 * ap / (ap + fp + 1);
-	percent[1] = 100 - percent[0];
-}
+	fraction[0] = ap;
+	fraction[1] = fp;
+	denominator = ap + fp + 1;
+out:
+	for_each_evictable_lru(l) {
+		int file = is_file_lru(l);
+		unsigned long scan;
 
-/*
- * Smallish @nr_to_scan's are deposited in @nr_saved_scan,
- * until we collected @swap_cluster_max pages to scan.
- */
-static unsigned long nr_scan_try_batch(unsigned long nr_to_scan,
-				       unsigned long *nr_saved_scan)
-{
-	unsigned long nr;
-
-	*nr_saved_scan += nr_to_scan;
-	nr = *nr_saved_scan;
-
-	if (nr >= SWAP_CLUSTER_MAX)
-		*nr_saved_scan = 0;
-	else
-		nr = 0;
-
-	return nr;
+		scan = zone_nr_lru_pages(zone, sc, l);
+		if (priority || noswap) {
+			scan >>= priority;
+			scan = div64_u64(scan * fraction[file], denominator);
+		}
+		nr[l] = nr_scan_try_batch(scan,
+					  &reclaim_stat->nr_saved_scan[l]);
+	}
 }
 
 /*
@@ -1622,33 +1647,11 @@ static void shrink_zone(int priority, struct zone *zone,
 {
 	unsigned long nr[NR_LRU_LISTS];
 	unsigned long nr_to_scan;
-	unsigned long percent[2];	/* anon @ 0; file @ 1 */
 	enum lru_list l;
 	unsigned long nr_reclaimed = sc->nr_reclaimed;
 	unsigned long nr_to_reclaim = sc->nr_to_reclaim;
-	struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc);
-	int noswap = 0;
 
-	/* If we have no swap space, do not bother scanning anon pages. */
-	if (!sc->may_swap || (nr_swap_pages <= 0)) {
-		noswap = 1;
-		percent[0] = 0;
-		percent[1] = 100;
-	} else
-		get_scan_ratio(zone, sc, percent);
-
-	for_each_evictable_lru(l) {
-		int file = is_file_lru(l);
-		unsigned long scan;
-
-		scan = zone_nr_lru_pages(zone, sc, l);
-		if (priority || noswap) {
-			scan >>= priority;
-			scan = (scan * percent[file]) / 100;
-		}
-		nr[l] = nr_scan_try_batch(scan,
-					  &reclaim_stat->nr_saved_scan[l]);
-	}
+	get_scan_count(zone, sc, nr, priority);
 
 	while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] ||
 					nr[LRU_INACTIVE_FILE]) {

From bf8abe8b926f7546eb763fd2a088fe461dde6317 Mon Sep 17 00:00:00 2001
From: Huang Shijie <shijie8@gmail.com>
Date: Mon, 24 May 2010 14:32:36 -0700
Subject: [PATCH 3020/3638] readahead.c: fix comment

Fix a wrong comment over page_cache_async_readahead().

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/readahead.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/readahead.c b/mm/readahead.c
index dfa9a1a03a1..77506a291a2 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -523,7 +523,7 @@ EXPORT_SYMBOL_GPL(page_cache_sync_readahead);
  * @req_size: hint: total size of the read which the caller is performing in
  *            pagecache pages
  *
- * page_cache_async_ondemand() should be called when a page is used which
+ * page_cache_async_readahead() should be called when a page is used which
  * has the PG_readahead flag; this is a marker to suggest that the application
  * has used up enough of the readahead window that we should start pulling in
  * more pages.

From 5f53e76299ceebd68bdf9495e8ff80db77711236 Mon Sep 17 00:00:00 2001
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Mon, 24 May 2010 14:32:37 -0700
Subject: [PATCH 3021/3638] vmscan: page_check_references(): check low order
 lumpy reclaim properly

If vmscan is under lumpy reclaim mode, it have to ignore referenced bit
for making contenious free pages.  but current page_check_references()
doesn't.

Fix it.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmscan.c | 41 ++++++++++++++++++++++++++---------------
 1 file changed, 26 insertions(+), 15 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8e1d72333e8..cd4a5edf5be 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -77,6 +77,12 @@ struct scan_control {
 
 	int order;
 
+	/*
+	 * Intend to reclaim enough contenious memory rather than to reclaim
+	 * enough amount memory. I.e, it's the mode for high order allocation.
+	 */
+	bool lumpy_reclaim_mode;
+
 	/* Which cgroup do we reclaim from */
 	struct mem_cgroup *mem_cgroup;
 
@@ -575,7 +581,7 @@ static enum page_references page_check_references(struct page *page,
 	referenced_page = TestClearPageReferenced(page);
 
 	/* Lumpy reclaim - ignore references */
-	if (sc->order > PAGE_ALLOC_COSTLY_ORDER)
+	if (sc->lumpy_reclaim_mode)
 		return PAGEREF_RECLAIM;
 
 	/*
@@ -1125,7 +1131,6 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 	unsigned long nr_scanned = 0;
 	unsigned long nr_reclaimed = 0;
 	struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc);
-	int lumpy_reclaim = 0;
 
 	while (unlikely(too_many_isolated(zone, file, sc))) {
 		congestion_wait(BLK_RW_ASYNC, HZ/10);
@@ -1135,17 +1140,6 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 			return SWAP_CLUSTER_MAX;
 	}
 
-	/*
-	 * If we need a large contiguous chunk of memory, or have
-	 * trouble getting a small set of contiguous pages, we
-	 * will reclaim both active and inactive pages.
-	 *
-	 * We use the same threshold as pageout congestion_wait below.
-	 */
-	if (sc->order > PAGE_ALLOC_COSTLY_ORDER)
-		lumpy_reclaim = 1;
-	else if (sc->order && priority < DEF_PRIORITY - 2)
-		lumpy_reclaim = 1;
 
 	pagevec_init(&pvec, 1);
 
@@ -1158,7 +1152,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 		unsigned long nr_freed;
 		unsigned long nr_active;
 		unsigned int count[NR_LRU_LISTS] = { 0, };
-		int mode = lumpy_reclaim ? ISOLATE_BOTH : ISOLATE_INACTIVE;
+		int mode = sc->lumpy_reclaim_mode ? ISOLATE_BOTH : ISOLATE_INACTIVE;
 		unsigned long nr_anon;
 		unsigned long nr_file;
 
@@ -1211,7 +1205,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 		 * but that should be acceptable to the caller
 		 */
 		if (nr_freed < nr_taken && !current_is_kswapd() &&
-		    lumpy_reclaim) {
+		    sc->lumpy_reclaim_mode) {
 			congestion_wait(BLK_RW_ASYNC, HZ/10);
 
 			/*
@@ -1639,6 +1633,21 @@ out:
 	}
 }
 
+static void set_lumpy_reclaim_mode(int priority, struct scan_control *sc)
+{
+	/*
+	 * If we need a large contiguous chunk of memory, or have
+	 * trouble getting a small set of contiguous pages, we
+	 * will reclaim both active and inactive pages.
+	 */
+	if (sc->order > PAGE_ALLOC_COSTLY_ORDER)
+		sc->lumpy_reclaim_mode = 1;
+	else if (sc->order && priority < DEF_PRIORITY - 2)
+		sc->lumpy_reclaim_mode = 1;
+	else
+		sc->lumpy_reclaim_mode = 0;
+}
+
 /*
  * This is a basic per-zone page freer.  Used by both kswapd and direct reclaim.
  */
@@ -1653,6 +1662,8 @@ static void shrink_zone(int priority, struct zone *zone,
 
 	get_scan_count(zone, sc, nr, priority);
 
+	set_lumpy_reclaim_mode(priority, sc);
+
 	while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] ||
 					nr[LRU_INACTIVE_FILE]) {
 		for_each_evictable_lru(l) {

From ec95f53aa6ed62ba68660cb19c8474ebe9025cce Mon Sep 17 00:00:00 2001
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Mon, 24 May 2010 14:32:38 -0700
Subject: [PATCH 3022/3638] mm: introduce free_pages_prepare()

free_hot_cold_page() and __free_pages_ok() have very similar freeing
preparation.  Consolidate them.

[akpm@linux-foundation.org: fix busted coding style]
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_alloc.c | 40 +++++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 95ad42de5a8..8f4f27841b7 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -620,20 +620,23 @@ static void free_one_page(struct zone *zone, struct page *page, int order,
 	spin_unlock(&zone->lock);
 }
 
-static void __free_pages_ok(struct page *page, unsigned int order)
+static bool free_pages_prepare(struct page *page, unsigned int order)
 {
-	unsigned long flags;
 	int i;
 	int bad = 0;
-	int wasMlocked = __TestClearPageMlocked(page);
 
 	trace_mm_page_free_direct(page, order);
 	kmemcheck_free_shadow(page, order);
 
-	for (i = 0 ; i < (1 << order) ; ++i)
-		bad += free_pages_check(page + i);
+	for (i = 0; i < (1 << order); i++) {
+		struct page *pg = page + i;
+
+		if (PageAnon(pg))
+			pg->mapping = NULL;
+		bad += free_pages_check(pg);
+	}
 	if (bad)
-		return;
+		return false;
 
 	if (!PageHighMem(page)) {
 		debug_check_no_locks_freed(page_address(page),PAGE_SIZE<<order);
@@ -643,6 +646,17 @@ static void __free_pages_ok(struct page *page, unsigned int order)
 	arch_free_page(page, order);
 	kernel_map_pages(page, 1 << order, 0);
 
+	return true;
+}
+
+static void __free_pages_ok(struct page *page, unsigned int order)
+{
+	unsigned long flags;
+	int wasMlocked = __TestClearPageMlocked(page);
+
+	if (!free_pages_prepare(page, order))
+		return;
+
 	local_irq_save(flags);
 	if (unlikely(wasMlocked))
 		free_page_mlock(page);
@@ -1128,21 +1142,9 @@ void free_hot_cold_page(struct page *page, int cold)
 	int migratetype;
 	int wasMlocked = __TestClearPageMlocked(page);
 
-	trace_mm_page_free_direct(page, 0);
-	kmemcheck_free_shadow(page, 0);
-
-	if (PageAnon(page))
-		page->mapping = NULL;
-	if (free_pages_check(page))
+	if (!free_pages_prepare(page, 0))
 		return;
 
-	if (!PageHighMem(page)) {
-		debug_check_no_locks_freed(page_address(page), PAGE_SIZE);
-		debug_check_no_obj_freed(page_address(page), PAGE_SIZE);
-	}
-	arch_free_page(page, 0);
-	kernel_map_pages(page, 1, 0);
-
 	migratetype = get_pageblock_migratetype(page);
 	set_page_private(page, migratetype);
 	local_irq_save(flags);

From 58a9d3d8db06ca2ec31f64ec49ab0aeb89971b85 Mon Sep 17 00:00:00 2001
From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Mon, 24 May 2010 14:32:38 -0700
Subject: [PATCH 3023/3638] fs-writeback: check sync bit earlier in
 inode_wait_for_writeback

When wb_writeback() hasn't written anything it will re-acquire the inode
lock before calling inode_wait_for_writeback.

This change tests the sync bit first so that is doesn't need to drop &
re-acquire the lock if the inode became available while wb_writeback() was
waiting to get the lock.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/fs-writeback.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 5c4161f1fd9..ea8592b9069 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -409,11 +409,11 @@ static void inode_wait_for_writeback(struct inode *inode)
 	wait_queue_head_t *wqh;
 
 	wqh = bit_waitqueue(&inode->i_state, __I_SYNC);
-	do {
+	 while (inode->i_state & I_SYNC) {
 		spin_unlock(&inode_lock);
 		__wait_on_bit(wqh, &wq, inode_wait, TASK_UNINTERRUPTIBLE);
 		spin_lock(&inode_lock);
-	} while (inode->i_state & I_SYNC);
+	}
 }
 
 /*

From 142762bd8d8c46345e79f0f68d3374564306972f Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Mon, 24 May 2010 14:32:39 -0700
Subject: [PATCH 3024/3638] mm: document follow_page()

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Dan Carpenter <error27@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Izik Eidus <ieidus@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memory.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 833952d8b74..119b7ccdf39 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1227,8 +1227,17 @@ int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
 }
 EXPORT_SYMBOL_GPL(zap_vma_ptes);
 
-/*
- * Do a quick page-table lookup for a single page.
+/**
+ * follow_page - look up a page descriptor from a user-virtual address
+ * @vma: vm_area_struct mapping @address
+ * @address: virtual address to look up
+ * @flags: flags modifying lookup behaviour
+ *
+ * @flags can have FOLL_ flags set, defined in <linux/mm.h>
+ *
+ * Returns the mapped (struct page *), %NULL if no mapping exists, or
+ * an error pointer if there is a mapping to something not represented
+ * by a page descriptor (see also vm_normal_page()).
  */
 struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
 			unsigned int flags)

From 0aeb2339e54e40d0788a7017ecaeac7f5271e262 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Mon, 24 May 2010 14:32:40 -0700
Subject: [PATCH 3025/3638] vmscan: remove all_unreclaimable scan control

This scan control is abused to communicate a return value from
shrink_zones().  Write this idiomatically and remove the knob.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmscan.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index cd4a5edf5be..c55763ee831 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -73,8 +73,6 @@ struct scan_control {
 
 	int swappiness;
 
-	int all_unreclaimable;
-
 	int order;
 
 	/*
@@ -1716,14 +1714,14 @@ static void shrink_zone(int priority, struct zone *zone,
  * If a zone is deemed to be full of pinned pages then just give it a light
  * scan then give up on it.
  */
-static void shrink_zones(int priority, struct zonelist *zonelist,
+static int shrink_zones(int priority, struct zonelist *zonelist,
 					struct scan_control *sc)
 {
 	enum zone_type high_zoneidx = gfp_zone(sc->gfp_mask);
 	struct zoneref *z;
 	struct zone *zone;
+	int progress = 0;
 
-	sc->all_unreclaimable = 1;
 	for_each_zone_zonelist_nodemask(zone, z, zonelist, high_zoneidx,
 					sc->nodemask) {
 		if (!populated_zone(zone))
@@ -1739,19 +1737,19 @@ static void shrink_zones(int priority, struct zonelist *zonelist,
 
 			if (zone->all_unreclaimable && priority != DEF_PRIORITY)
 				continue;	/* Let kswapd poll it */
-			sc->all_unreclaimable = 0;
 		} else {
 			/*
 			 * Ignore cpuset limitation here. We just want to reduce
 			 * # of used pages by us regardless of memory shortage.
 			 */
-			sc->all_unreclaimable = 0;
 			mem_cgroup_note_reclaim_priority(sc->mem_cgroup,
 							priority);
 		}
 
 		shrink_zone(priority, zone, sc);
+		progress = 1;
 	}
+	return progress;
 }
 
 /*
@@ -1805,7 +1803,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
 		sc->nr_scanned = 0;
 		if (!priority)
 			disable_swap_token();
-		shrink_zones(priority, zonelist, sc);
+		ret = shrink_zones(priority, zonelist, sc);
 		/*
 		 * Don't shrink slabs when reclaiming memory from
 		 * over limit cgroups
@@ -1842,7 +1840,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
 			congestion_wait(BLK_RW_ASYNC, HZ/10);
 	}
 	/* top priority shrink_zones still had more to do? don't OOM, then */
-	if (!sc->all_unreclaimable && scanning_global_lru(sc))
+	if (ret && scanning_global_lru(sc))
 		ret = sc->nr_reclaimed;
 out:
 	/*

From 8b25c6d2231b978ccce9c401e771932bde79aa9f Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Mon, 24 May 2010 14:32:40 -0700
Subject: [PATCH 3026/3638] vmscan: remove isolate_pages callback scan control

For now, we have global isolation vs.  memory control group isolation, do
not allow the reclaim entry function to set an arbitrary page isolation
callback, we do not need that flexibility.

And since we already pass around the group descriptor for the memory
control group isolation case, just use it to decide which one of the two
isolator functions to use.

The decisions can be merged into nearby branches, so no extra cost there.
In fact, we save the indirect calls.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/memcontrol.h | 13 +++++-----
 mm/vmscan.c                | 52 ++++++++++++++++++++------------------
 2 files changed, 35 insertions(+), 30 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 44301c6affa..05894795fdc 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -25,6 +25,13 @@ struct page_cgroup;
 struct page;
 struct mm_struct;
 
+extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
+					struct list_head *dst,
+					unsigned long *scanned, int order,
+					int mode, struct zone *z,
+					struct mem_cgroup *mem_cont,
+					int active, int file);
+
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 /*
  * All "charge" functions with gfp_mask should use GFP_KERNEL or
@@ -64,12 +71,6 @@ extern void mem_cgroup_uncharge_cache_page(struct page *page);
 extern int mem_cgroup_shmem_charge_fallback(struct page *page,
 			struct mm_struct *mm, gfp_t gfp_mask);
 
-extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
-					struct list_head *dst,
-					unsigned long *scanned, int order,
-					int mode, struct zone *z,
-					struct mem_cgroup *mem_cont,
-					int active, int file);
 extern void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask);
 int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
 
diff --git a/mm/vmscan.c b/mm/vmscan.c
index c55763ee831..915dceb487c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -89,12 +89,6 @@ struct scan_control {
 	 * are scanned.
 	 */
 	nodemask_t	*nodemask;
-
-	/* Pluggable isolate pages callback */
-	unsigned long (*isolate_pages)(unsigned long nr, struct list_head *dst,
-			unsigned long *scanned, int order, int mode,
-			struct zone *z, struct mem_cgroup *mem_cont,
-			int active, int file);
 };
 
 #define lru_to_page(_head) (list_entry((_head)->prev, struct page, lru))
@@ -1010,7 +1004,6 @@ static unsigned long isolate_pages_global(unsigned long nr,
 					struct list_head *dst,
 					unsigned long *scanned, int order,
 					int mode, struct zone *z,
-					struct mem_cgroup *mem_cont,
 					int active, int file)
 {
 	int lru = LRU_BASE;
@@ -1154,11 +1147,11 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 		unsigned long nr_anon;
 		unsigned long nr_file;
 
-		nr_taken = sc->isolate_pages(SWAP_CLUSTER_MAX,
-			     &page_list, &nr_scan, sc->order, mode,
-				zone, sc->mem_cgroup, 0, file);
-
 		if (scanning_global_lru(sc)) {
+			nr_taken = isolate_pages_global(SWAP_CLUSTER_MAX,
+							&page_list, &nr_scan,
+							sc->order, mode,
+							zone, 0, file);
 			zone->pages_scanned += nr_scan;
 			if (current_is_kswapd())
 				__count_zone_vm_events(PGSCAN_KSWAPD, zone,
@@ -1166,6 +1159,16 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 			else
 				__count_zone_vm_events(PGSCAN_DIRECT, zone,
 						       nr_scan);
+		} else {
+			nr_taken = mem_cgroup_isolate_pages(SWAP_CLUSTER_MAX,
+							&page_list, &nr_scan,
+							sc->order, mode,
+							zone, sc->mem_cgroup,
+							0, file);
+			/*
+			 * mem_cgroup_isolate_pages() keeps track of
+			 * scanned pages on its own.
+			 */
 		}
 
 		if (nr_taken == 0)
@@ -1343,16 +1346,23 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 
 	lru_add_drain();
 	spin_lock_irq(&zone->lru_lock);
-	nr_taken = sc->isolate_pages(nr_pages, &l_hold, &pgscanned, sc->order,
-					ISOLATE_ACTIVE, zone,
-					sc->mem_cgroup, 1, file);
-	/*
-	 * zone->pages_scanned is used for detect zone's oom
-	 * mem_cgroup remembers nr_scan by itself.
-	 */
 	if (scanning_global_lru(sc)) {
+		nr_taken = isolate_pages_global(nr_pages, &l_hold,
+						&pgscanned, sc->order,
+						ISOLATE_ACTIVE, zone,
+						1, file);
 		zone->pages_scanned += pgscanned;
+	} else {
+		nr_taken = mem_cgroup_isolate_pages(nr_pages, &l_hold,
+						&pgscanned, sc->order,
+						ISOLATE_ACTIVE, zone,
+						sc->mem_cgroup, 1, file);
+		/*
+		 * mem_cgroup_isolate_pages() keeps track of
+		 * scanned pages on its own.
+		 */
 	}
+
 	reclaim_stat->recent_scanned[file] += nr_taken;
 
 	__count_zone_vm_events(PGREFILL, zone, pgscanned);
@@ -1882,7 +1892,6 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 		.swappiness = vm_swappiness,
 		.order = order,
 		.mem_cgroup = NULL,
-		.isolate_pages = isolate_pages_global,
 		.nodemask = nodemask,
 	};
 
@@ -1903,7 +1912,6 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
 		.swappiness = swappiness,
 		.order = 0,
 		.mem_cgroup = mem,
-		.isolate_pages = mem_cgroup_isolate_pages,
 	};
 	nodemask_t nm  = nodemask_of_node(nid);
 
@@ -1937,7 +1945,6 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont,
 		.swappiness = swappiness,
 		.order = 0,
 		.mem_cgroup = mem_cont,
-		.isolate_pages = mem_cgroup_isolate_pages,
 		.nodemask = NULL, /* we don't care the placement */
 	};
 
@@ -2015,7 +2022,6 @@ static unsigned long balance_pgdat(pg_data_t *pgdat, int order)
 		.swappiness = vm_swappiness,
 		.order = order,
 		.mem_cgroup = NULL,
-		.isolate_pages = isolate_pages_global,
 	};
 	/*
 	 * temp_priority is used to remember the scanning priority at which
@@ -2394,7 +2400,6 @@ unsigned long shrink_all_memory(unsigned long nr_to_reclaim)
 		.hibernation_mode = 1,
 		.swappiness = vm_swappiness,
 		.order = 0,
-		.isolate_pages = isolate_pages_global,
 	};
 	struct zonelist * zonelist = node_zonelist(numa_node_id(), sc.gfp_mask);
 	struct task_struct *p = current;
@@ -2579,7 +2584,6 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
 		.gfp_mask = gfp_mask,
 		.swappiness = vm_swappiness,
 		.order = order,
-		.isolate_pages = isolate_pages_global,
 	};
 	unsigned long slab_reclaimable;
 

From cf23422b9d76215316855253da491d4c9f294372 Mon Sep 17 00:00:00 2001
From: minskey guo <chaohong_guo@linux.intel.com>
Date: Mon, 24 May 2010 14:32:41 -0700
Subject: [PATCH 3027/3638] cpu/mem hotplug: enable CPUs online before local
 memory online

Enable users to online CPUs even if the CPUs belongs to a numa node which
doesn't have onlined local memory.

The zonlists(pg_data_t.node_zonelists[]) of a numa node are created either
in system boot/init period, or at the time of local memory online.  For a
numa node without onlined local memory, its zonelists are not initialized
at present.  As a result, any memory allocation operations executed by
CPUs within this node will fail.  In fact, an out-of-memory error is
triggered when attempt to online CPUs before memory comes to online.

This patch tries to create zonelists for such numa nodes, so that the
memory allocation for this node can be fallback'ed to other nodes.

[akpm@linux-foundation.org: remove unneeded export]
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: minskey guo<chaohong.guo@intel.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/memory_hotplug.h |  1 +
 kernel/cpu.c                   | 25 +++++++++++++++++++++++++
 mm/memory_hotplug.c            | 23 +++++++++++++++++++++++
 3 files changed, 49 insertions(+)

diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 35b07b773e6..864035fb8f8 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -202,6 +202,7 @@ static inline int is_mem_section_removable(unsigned long pfn,
 }
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 
+extern int mem_online_node(int nid);
 extern int add_memory(int nid, u64 start, u64 size);
 extern int arch_add_memory(int nid, u64 start, u64 size);
 extern int remove_memory(u64 start, u64 size);
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 54577757477..a3fbcc0a0ab 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -326,6 +326,12 @@ out_notify:
 int __cpuinit cpu_up(unsigned int cpu)
 {
 	int err = 0;
+
+#ifdef	CONFIG_MEMORY_HOTPLUG
+	int nid;
+	pg_data_t	*pgdat;
+#endif
+
 	if (!cpu_possible(cpu)) {
 		printk(KERN_ERR "can't online cpu %d because it is not "
 			"configured as may-hotadd at boot time\n", cpu);
@@ -336,6 +342,25 @@ int __cpuinit cpu_up(unsigned int cpu)
 		return -EINVAL;
 	}
 
+#ifdef	CONFIG_MEMORY_HOTPLUG
+	nid = cpu_to_node(cpu);
+	if (!node_online(nid)) {
+		err = mem_online_node(nid);
+		if (err)
+			return err;
+	}
+
+	pgdat = NODE_DATA(nid);
+	if (!pgdat) {
+		printk(KERN_ERR
+			"Can't online cpu %d due to NULL pgdat\n", cpu);
+		return -ENOMEM;
+	}
+
+	if (pgdat->node_zonelists->_zonerefs->zone == NULL)
+		build_all_zonelists();
+#endif
+
 	cpu_maps_update_begin();
 
 	if (cpu_hotplug_disabled) {
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index be211a58293..85eb4d342ac 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -482,6 +482,29 @@ static void rollback_node_hotadd(int nid, pg_data_t *pgdat)
 }
 
 
+/*
+ * called by cpu_up() to online a node without onlined memory.
+ */
+int mem_online_node(int nid)
+{
+	pg_data_t	*pgdat;
+	int	ret;
+
+	lock_system_sleep();
+	pgdat = hotadd_new_pgdat(nid, 0);
+	if (pgdat) {
+		ret = -ENOMEM;
+		goto out;
+	}
+	node_set_online(nid);
+	ret = register_one_node(nid);
+	BUG_ON(ret);
+
+out:
+	unlock_system_sleep();
+	return ret;
+}
+
 /* we are OK calling __meminit stuff here - we have CONFIG_MEMORY_HOTPLUG */
 int __ref add_memory(int nid, u64 start, u64 size)
 {

From 263ff5d8e82e577202d2b8393585b0e2436b7ffc Mon Sep 17 00:00:00 2001
From: matt mooney <mfmooney@gmail.com>
Date: Mon, 24 May 2010 14:32:44 -0700
Subject: [PATCH 3028/3638] include/linux/gfp.h: spelling fixes

Fix minor spelling errors in a few comments; no code changes.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Cc: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/gfp.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 4c6d41333f9..474887eac51 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -15,7 +15,7 @@ struct vm_area_struct;
  * Zone modifiers (see linux/mmzone.h - low three bits)
  *
  * Do not put any conditional on these. If necessary modify the definitions
- * without the underscores and use the consistently. The definitions here may
+ * without the underscores and use them consistently. The definitions here may
  * be used in bit comparisons.
  */
 #define __GFP_DMA	((__force gfp_t)0x01u)
@@ -152,12 +152,12 @@ static inline int allocflags_to_migratetype(gfp_t gfp_flags)
  * GFP_ZONE_TABLE is a word size bitstring that is used for looking up the
  * zone to use given the lowest 4 bits of gfp_t. Entries are ZONE_SHIFT long
  * and there are 16 of them to cover all possible combinations of
- * __GFP_DMA, __GFP_DMA32, __GFP_MOVABLE and __GFP_HIGHMEM
+ * __GFP_DMA, __GFP_DMA32, __GFP_MOVABLE and __GFP_HIGHMEM.
  *
  * The zone fallback order is MOVABLE=>HIGHMEM=>NORMAL=>DMA32=>DMA.
  * But GFP_MOVABLE is not only a zone specifier but also an allocation
  * policy. Therefore __GFP_MOVABLE plus another zone selector is valid.
- * Only 1bit of the lowest 3 bit (DMA,DMA32,HIGHMEM) can be set to "1".
+ * Only 1 bit of the lowest 3 bits (DMA,DMA32,HIGHMEM) can be set to "1".
  *
  *       bit       result
  *       =================
@@ -197,7 +197,7 @@ static inline int allocflags_to_migratetype(gfp_t gfp_flags)
 )
 
 /*
- * GFP_ZONE_BAD is a bitmap for all combination of __GFP_DMA, __GFP_DMA32
+ * GFP_ZONE_BAD is a bitmap for all combinations of __GFP_DMA, __GFP_DMA32
  * __GFP_HIGHMEM and __GFP_MOVABLE that are not permitted. One flag per
  * entry starting with bit 0. Bit is set if the combination is not
  * allowed.

From fd23855e38d2a7275a786238459c070b4e9f7975 Mon Sep 17 00:00:00 2001
From: matt mooney <mfmooney@gmail.com>
Date: Mon, 24 May 2010 14:32:45 -0700
Subject: [PATCH 3029/3638] include/linux/gfp.h: fix coding style

Add parenthesis in a define.  This doesn't change functionality.

checkpatch errors:
1) white space fixes
2) add spaces after comas

Signed-off-by: matt mooney <mfm@muteddisk.com>
Cc: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/gfp.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 474887eac51..975609cb854 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -101,7 +101,7 @@ struct vm_area_struct;
 			__GFP_NORETRY|__GFP_NOMEMALLOC)
 
 /* Control slab gfp mask during early boot */
-#define GFP_BOOT_MASK __GFP_BITS_MASK & ~(__GFP_WAIT|__GFP_IO|__GFP_FS)
+#define GFP_BOOT_MASK (__GFP_BITS_MASK & ~(__GFP_WAIT|__GFP_IO|__GFP_FS))
 
 /* Control allocation constraints */
 #define GFP_CONSTRAINT_MASK (__GFP_HARDWALL|__GFP_THISNODE)
@@ -187,7 +187,7 @@ static inline int allocflags_to_migratetype(gfp_t gfp_flags)
 
 #define GFP_ZONE_TABLE ( \
 	(ZONE_NORMAL << 0 * ZONES_SHIFT)				\
-	| (OPT_ZONE_DMA << __GFP_DMA * ZONES_SHIFT) 			\
+	| (OPT_ZONE_DMA << __GFP_DMA * ZONES_SHIFT)			\
 	| (OPT_ZONE_HIGHMEM << __GFP_HIGHMEM * ZONES_SHIFT)		\
 	| (OPT_ZONE_DMA32 << __GFP_DMA32 * ZONES_SHIFT)			\
 	| (ZONE_NORMAL << __GFP_MOVABLE * ZONES_SHIFT)			\
@@ -320,17 +320,17 @@ void *alloc_pages_exact(size_t size, gfp_t gfp_mask);
 void free_pages_exact(void *virt, size_t size);
 
 #define __get_free_page(gfp_mask) \
-		__get_free_pages((gfp_mask),0)
+		__get_free_pages((gfp_mask), 0)
 
 #define __get_dma_pages(gfp_mask, order) \
-		__get_free_pages((gfp_mask) | GFP_DMA,(order))
+		__get_free_pages((gfp_mask) | GFP_DMA, (order))
 
 extern void __free_pages(struct page *page, unsigned int order);
 extern void free_pages(unsigned long addr, unsigned int order);
 extern void free_hot_cold_page(struct page *page, int cold);
 
 #define __free_page(page) __free_pages((page), 0)
-#define free_page(addr) free_pages((addr),0)
+#define free_page(addr) free_pages((addr), 0)
 
 void page_alloc_init(void);
 void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp);

From ff3d58c22b6827039983911d3460cf0c1657f8cc Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Mon, 24 May 2010 14:32:46 -0700
Subject: [PATCH 3030/3638] highmem: remove unneeded #ifdef
 CONFIG_TRACE_IRQFLAGS_SUPPORT for debug_kmap_atomic()

In f4112de6b679d84bd9b9681c7504be7bdfb7c7d5 ("mm: introduce
debug_kmap_atomic") I said that debug_kmap_atomic() needs
CONFIG_TRACE_IRQFLAGS_SUPPORT.

It was wrong.  (I thought irqs_disabled() is only available when the
architecture has CONFIG_TRACE_IRQFLAGS_SUPPORT)

Remove the #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT check to enable
kmap_atomic() debugging for the architectures which do not have
CONFIG_TRACE_IRQFLAGS_SUPPORT.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/highmem.h | 2 +-
 mm/highmem.c            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 74152c08ad0..caafd0561aa 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -27,7 +27,7 @@ static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
 
 #include <asm/kmap_types.h>
 
-#if defined(CONFIG_DEBUG_HIGHMEM) && defined(CONFIG_TRACE_IRQFLAGS_SUPPORT)
+#ifdef CONFIG_DEBUG_HIGHMEM
 
 void debug_kmap_atomic(enum km_type type);
 
diff --git a/mm/highmem.c b/mm/highmem.c
index bed8a8bfd01..66baa20f78f 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -422,7 +422,7 @@ void __init page_address_init(void)
 
 #endif	/* defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) */
 
-#if defined(CONFIG_DEBUG_HIGHMEM) && defined(CONFIG_TRACE_IRQFLAGS_SUPPORT)
+#ifdef CONFIG_DEBUG_HIGHMEM
 
 void debug_kmap_atomic(enum km_type type)
 {

From 0faa56389c793cda7f967117415717bbab24fe4e Mon Sep 17 00:00:00 2001
From: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
Date: Mon, 24 May 2010 14:32:47 -0700
Subject: [PATCH 3031/3638] mm: fix NR_SECTION_ROOTS == 0 when using using
 sparsemem extreme.

Got this while compiling for ARM/SA1100:

mm/sparse.c: In function '__section_nr':
mm/sparse.c:135: warning: 'root' is used uninitialized in this function

This patch follows Russell King's suggestion for a new calculation for
NR_SECTION_ROOTS.  Thanks also to Sergei Shtylyov for pointing out the
existence of the macro DIV_ROUND_UP.

Atsushi Nemoto observed:
: This fix doesn't just silence the warning - it fixes a real problem.
:
: Without this fix, mem_section[] might have 0 size so mem_section[0]
: will share other variable area.  For example, I got:
:
: c030c700 b __warned.16478
: c030c700 B mem_section
: c030c701 b __warned.16483
:
: This might cause very strange behavior.  Your patch actually fixes it.

Signed-off-by: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mmzone.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index fd55f725a09..f6f2c505fa7 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -981,7 +981,7 @@ struct mem_section {
 #endif
 
 #define SECTION_NR_TO_ROOT(sec)	((sec) / SECTIONS_PER_ROOT)
-#define NR_SECTION_ROOTS	(NR_MEM_SECTIONS / SECTIONS_PER_ROOT)
+#define NR_SECTION_ROOTS	DIV_ROUND_UP(NR_MEM_SECTIONS, SECTIONS_PER_ROOT)
 #define SECTION_ROOT_MASK	(SECTIONS_PER_ROOT - 1)
 
 #ifdef CONFIG_SPARSEMEM_EXTREME

From 319774e25fa4b7641bdc3b0a464dd84e62103347 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Mon, 24 May 2010 14:32:49 -0700
Subject: [PATCH 3032/3638] mem-hotplug: separate setup_per_cpu_pageset() into
 separate functions

No behavior change here.

Move some of setup_per_cpu_pageset() code into a new function
setup_zone_pageset() that will be useful for memory hotplug.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Reviewed-by: Andi Kleen <andi.kleen@intel.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_alloc.c | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8f4f27841b7..595d0ac211e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3292,31 +3292,34 @@ static void setup_pagelist_highmark(struct per_cpu_pageset *p,
 		pcp->batch = PAGE_SHIFT * 8;
 }
 
+static __meminit void setup_zone_pageset(struct zone *zone)
+{
+	int cpu;
+
+	zone->pageset = alloc_percpu(struct per_cpu_pageset);
+
+	for_each_possible_cpu(cpu) {
+		struct per_cpu_pageset *pcp = per_cpu_ptr(zone->pageset, cpu);
+
+		setup_pageset(pcp, zone_batchsize(zone));
+
+		if (percpu_pagelist_fraction)
+			setup_pagelist_highmark(pcp,
+				(zone->present_pages /
+					percpu_pagelist_fraction));
+	}
+}
+
 /*
  * Allocate per cpu pagesets and initialize them.
  * Before this call only boot pagesets were available.
- * Boot pagesets will no longer be used by this processorr
- * after setup_per_cpu_pageset().
  */
 void __init setup_per_cpu_pageset(void)
 {
 	struct zone *zone;
-	int cpu;
 
-	for_each_populated_zone(zone) {
-		zone->pageset = alloc_percpu(struct per_cpu_pageset);
-
-		for_each_possible_cpu(cpu) {
-			struct per_cpu_pageset *pcp = per_cpu_ptr(zone->pageset, cpu);
-
-			setup_pageset(pcp, zone_batchsize(zone));
-
-			if (percpu_pagelist_fraction)
-				setup_pagelist_highmark(pcp,
-					(zone->present_pages /
-						percpu_pagelist_fraction));
-		}
-	}
+	for_each_populated_zone(zone)
+		setup_zone_pageset(zone);
 }
 
 static noinline __init_refok

From 1f522509c77a5dea8dc384b735314f03908a6415 Mon Sep 17 00:00:00 2001
From: Haicheng Li <haicheng.li@linux.intel.com>
Date: Mon, 24 May 2010 14:32:51 -0700
Subject: [PATCH 3033/3638] mem-hotplug: avoid multiple zones sharing same boot
 strapping boot_pageset

For each new populated zone of hotadded node, need to update its pagesets
with dynamically allocated per_cpu_pageset struct for all possible CPUs:

    1) Detach zone->pageset from the shared boot_pageset
       at end of __build_all_zonelists().

    2) Use mutex to protect zone->pageset when it's still
       shared in onlined_pages()

Otherwises, multiple zones of different nodes would share same boot strapping
boot_pageset for same CPU, which will finally cause below kernel panic:

  ------------[ cut here ]------------
  kernel BUG at mm/page_alloc.c:1239!
  invalid opcode: 0000 [#1] SMP
  ...
  Call Trace:
   [<ffffffff811300c1>] __alloc_pages_nodemask+0x131/0x7b0
   [<ffffffff81162e67>] alloc_pages_current+0x87/0xd0
   [<ffffffff81128407>] __page_cache_alloc+0x67/0x70
   [<ffffffff811325f0>] __do_page_cache_readahead+0x120/0x260
   [<ffffffff81132751>] ra_submit+0x21/0x30
   [<ffffffff811329c6>] ondemand_readahead+0x166/0x2c0
   [<ffffffff81132ba0>] page_cache_async_readahead+0x80/0xa0
   [<ffffffff8112a0e4>] generic_file_aio_read+0x364/0x670
   [<ffffffff81266cfa>] nfs_file_read+0xca/0x130
   [<ffffffff8117b20a>] do_sync_read+0xfa/0x140
   [<ffffffff8117bf75>] vfs_read+0xb5/0x1a0
   [<ffffffff8117c151>] sys_read+0x51/0x80
   [<ffffffff8103c032>] system_call_fastpath+0x16/0x1b
  RIP  [<ffffffff8112ff13>] get_page_from_freelist+0x883/0x900
   RSP <ffff88000d1e78a8>
  ---[ end trace 4bda28328b9990db ]

[akpm@linux-foundation.org: merge fix]
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Reviewed-by: Andi Kleen <andi.kleen@intel.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mmzone.h |  2 +-
 init/main.c            |  2 +-
 kernel/cpu.c           |  2 +-
 mm/memory_hotplug.c    | 18 +++++++++++++-----
 mm/page_alloc.c        | 17 +++++++++++++----
 5 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index f6f2c505fa7..a367ed5bb3f 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -652,7 +652,7 @@ typedef struct pglist_data {
 
 void get_zone_counts(unsigned long *active, unsigned long *inactive,
 			unsigned long *free);
-void build_all_zonelists(void);
+void build_all_zonelists(void *data);
 void wakeup_kswapd(struct zone *zone, int order);
 int zone_watermark_ok(struct zone *z, int order, unsigned long mark,
 		int classzone_idx, int alloc_flags);
diff --git a/init/main.c b/init/main.c
index 22881b5e95e..3bdb152f412 100644
--- a/init/main.c
+++ b/init/main.c
@@ -567,7 +567,7 @@ asmlinkage void __init start_kernel(void)
 	setup_per_cpu_areas();
 	smp_prepare_boot_cpu();	/* arch-specific boot-cpu hooks */
 
-	build_all_zonelists();
+	build_all_zonelists(NULL);
 	page_alloc_init();
 
 	printk(KERN_NOTICE "Kernel command line: %s\n", boot_command_line);
diff --git a/kernel/cpu.c b/kernel/cpu.c
index a3fbcc0a0ab..3e8b3ba2717 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -358,7 +358,7 @@ int __cpuinit cpu_up(unsigned int cpu)
 	}
 
 	if (pgdat->node_zonelists->_zonerefs->zone == NULL)
-		build_all_zonelists();
+		build_all_zonelists(NULL);
 #endif
 
 	cpu_maps_update_begin();
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 85eb4d342ac..089cc97aed3 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -389,6 +389,11 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 	int nid;
 	int ret;
 	struct memory_notify arg;
+	/*
+	 * mutex to protect zone->pageset when it's still shared
+	 * in onlined_pages()
+	 */
+	static DEFINE_MUTEX(zone_pageset_mutex);
 
 	arg.start_pfn = pfn;
 	arg.nr_pages = nr_pages;
@@ -415,12 +420,14 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 	 * This means the page allocator ignores this zone.
 	 * So, zonelist must be updated after online.
 	 */
+	mutex_lock(&zone_pageset_mutex);
 	if (!populated_zone(zone))
 		need_zonelists_rebuild = 1;
 
 	ret = walk_system_ram_range(pfn, nr_pages, &onlined_pages,
 		online_pages_range);
 	if (ret) {
+		mutex_unlock(&zone_pageset_mutex);
 		printk(KERN_DEBUG "online_pages %lx at %lx failed\n",
 			nr_pages, pfn);
 		memory_notify(MEM_CANCEL_ONLINE, &arg);
@@ -429,8 +436,12 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 
 	zone->present_pages += onlined_pages;
 	zone->zone_pgdat->node_present_pages += onlined_pages;
+	if (need_zonelists_rebuild)
+		build_all_zonelists(zone);
+	else
+		zone_pcp_update(zone);
 
-	zone_pcp_update(zone);
+	mutex_unlock(&zone_pageset_mutex);
 	setup_per_zone_wmarks();
 	calculate_zone_inactive_ratio(zone);
 	if (onlined_pages) {
@@ -438,10 +449,7 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 		node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
 	}
 
-	if (need_zonelists_rebuild)
-		build_all_zonelists();
-	else
-		vm_total_pages = nr_free_pagecache_pages();
+	vm_total_pages = nr_free_pagecache_pages();
 
 	writeback_set_ratelimit();
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 595d0ac211e..21c52d2d862 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2572,7 +2572,7 @@ int numa_zonelist_order_handler(ctl_table *table, int write,
 				NUMA_ZONELIST_ORDER_LEN);
 			user_zonelist_order = oldval;
 		} else if (oldval != user_zonelist_order)
-			build_all_zonelists();
+			build_all_zonelists(NULL);
 	}
 out:
 	mutex_unlock(&zl_order_mutex);
@@ -2922,9 +2922,10 @@ static void build_zonelist_cache(pg_data_t *pgdat)
  */
 static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch);
 static DEFINE_PER_CPU(struct per_cpu_pageset, boot_pageset);
+static void setup_zone_pageset(struct zone *zone);
 
 /* return values int ....just for stop_machine() */
-static int __build_all_zonelists(void *dummy)
+static __init_refok int __build_all_zonelists(void *data)
 {
 	int nid;
 	int cpu;
@@ -2939,6 +2940,14 @@ static int __build_all_zonelists(void *dummy)
 		build_zonelist_cache(pgdat);
 	}
 
+#ifdef CONFIG_MEMORY_HOTPLUG
+	/* Setup real pagesets for the new zone */
+	if (data) {
+		struct zone *zone = data;
+		setup_zone_pageset(zone);
+	}
+#endif
+
 	/*
 	 * Initialize the boot_pagesets that are going to be used
 	 * for bootstrapping processors. The real pagesets for
@@ -2958,7 +2967,7 @@ static int __build_all_zonelists(void *dummy)
 	return 0;
 }
 
-void build_all_zonelists(void)
+void build_all_zonelists(void *data)
 {
 	set_zonelist_order();
 
@@ -2969,7 +2978,7 @@ void build_all_zonelists(void)
 	} else {
 		/* we have to stop all cpus to guarantee there is no user
 		   of zonelist */
-		stop_machine(__build_all_zonelists, NULL, NULL);
+		stop_machine(__build_all_zonelists, data, NULL);
 		/* cpuset refresh routine should be here */
 	}
 	vm_total_pages = nr_free_pagecache_pages();

From 4eaf3f64397c3db3c5785eee508270d62a9fabd9 Mon Sep 17 00:00:00 2001
From: Haicheng Li <haicheng.li@linux.intel.com>
Date: Mon, 24 May 2010 14:32:52 -0700
Subject: [PATCH 3034/3638] mem-hotplug: fix potential race while building
 zonelist for new populated zone

Add global mutex zonelists_mutex to fix the possible race:

     CPU0                                  CPU1                    CPU2
(1) zone->present_pages += online_pages;
(2)                                       build_all_zonelists();
(3)                                                               alloc_page();
(4)                                                               free_page();
(5) build_all_zonelists();
(6)   __build_all_zonelists();
(7)     zone->pageset = alloc_percpu();

In step (3,4), zone->pageset still points to boot_pageset, so bad
things may happen if 2+ nodes are in this state. Even if only 1 node
is accessing the boot_pageset, (3) may still consume too much memory
to fail the memory allocations in step (7).

Besides, atomic operation ensures alloc_percpu() in step (7) will never fail
since there is a new fresh memory block added in step(6).

[haicheng.li@linux.intel.com: hold zonelists_mutex when build_all_zonelists]
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Reviewed-by: Andi Kleen <andi.kleen@intel.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mmzone.h |  1 +
 kernel/cpu.c           |  5 ++++-
 mm/memory_hotplug.c    | 11 +++--------
 mm/page_alloc.c        | 15 ++++++++++++++-
 4 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index a367ed5bb3f..0fa491326c4 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -650,6 +650,7 @@ typedef struct pglist_data {
 
 #include <linux/memory_hotplug.h>
 
+extern struct mutex zonelists_mutex;
 void get_zone_counts(unsigned long *active, unsigned long *inactive,
 			unsigned long *free);
 void build_all_zonelists(void *data);
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 3e8b3ba2717..124ad9d6be1 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -357,8 +357,11 @@ int __cpuinit cpu_up(unsigned int cpu)
 		return -ENOMEM;
 	}
 
-	if (pgdat->node_zonelists->_zonerefs->zone == NULL)
+	if (pgdat->node_zonelists->_zonerefs->zone == NULL) {
+		mutex_lock(&zonelists_mutex);
 		build_all_zonelists(NULL);
+		mutex_unlock(&zonelists_mutex);
+	}
 #endif
 
 	cpu_maps_update_begin();
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 089cc97aed3..a4cfcdc0045 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -389,11 +389,6 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 	int nid;
 	int ret;
 	struct memory_notify arg;
-	/*
-	 * mutex to protect zone->pageset when it's still shared
-	 * in onlined_pages()
-	 */
-	static DEFINE_MUTEX(zone_pageset_mutex);
 
 	arg.start_pfn = pfn;
 	arg.nr_pages = nr_pages;
@@ -420,14 +415,14 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 	 * This means the page allocator ignores this zone.
 	 * So, zonelist must be updated after online.
 	 */
-	mutex_lock(&zone_pageset_mutex);
+	mutex_lock(&zonelists_mutex);
 	if (!populated_zone(zone))
 		need_zonelists_rebuild = 1;
 
 	ret = walk_system_ram_range(pfn, nr_pages, &onlined_pages,
 		online_pages_range);
 	if (ret) {
-		mutex_unlock(&zone_pageset_mutex);
+		mutex_unlock(&zonelists_mutex);
 		printk(KERN_DEBUG "online_pages %lx at %lx failed\n",
 			nr_pages, pfn);
 		memory_notify(MEM_CANCEL_ONLINE, &arg);
@@ -441,7 +436,7 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 	else
 		zone_pcp_update(zone);
 
-	mutex_unlock(&zone_pageset_mutex);
+	mutex_unlock(&zonelists_mutex);
 	setup_per_zone_wmarks();
 	calculate_zone_inactive_ratio(zone);
 	if (onlined_pages) {
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 21c52d2d862..08b349931eb 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2571,8 +2571,11 @@ int numa_zonelist_order_handler(ctl_table *table, int write,
 			strncpy((char*)table->data, saved_string,
 				NUMA_ZONELIST_ORDER_LEN);
 			user_zonelist_order = oldval;
-		} else if (oldval != user_zonelist_order)
+		} else if (oldval != user_zonelist_order) {
+			mutex_lock(&zonelists_mutex);
 			build_all_zonelists(NULL);
+			mutex_unlock(&zonelists_mutex);
+		}
 	}
 out:
 	mutex_unlock(&zl_order_mutex);
@@ -2924,6 +2927,12 @@ static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch);
 static DEFINE_PER_CPU(struct per_cpu_pageset, boot_pageset);
 static void setup_zone_pageset(struct zone *zone);
 
+/*
+ * Global mutex to protect against size modification of zonelists
+ * as well as to serialize pageset setup for the new populated zone.
+ */
+DEFINE_MUTEX(zonelists_mutex);
+
 /* return values int ....just for stop_machine() */
 static __init_refok int __build_all_zonelists(void *data)
 {
@@ -2967,6 +2976,10 @@ static __init_refok int __build_all_zonelists(void *data)
 	return 0;
 }
 
+/*
+ * Called with zonelists_mutex held always
+ * unless system_state == SYSTEM_BOOTING.
+ */
 void build_all_zonelists(void *data)
 {
 	set_zonelist_order();

From c6f6b596a5a73e63e5e930c414375c0c389199ab Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Mon, 24 May 2010 14:32:53 -0700
Subject: [PATCH 3035/3638] mm: make lowmem_page_address() use PFN_PHYS() for
 improved portability

This ensures that platforms with lowmem PAs above 32 bits work correctly
by avoiding truncating the PA during a left shift.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Barry Song <21cnbao@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mm.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 963f908af9d..b969efb0378 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -13,6 +13,7 @@
 #include <linux/debug_locks.h>
 #include <linux/mm_types.h>
 #include <linux/range.h>
+#include <linux/pfn.h>
 
 struct mempolicy;
 struct anon_vma;
@@ -595,7 +596,7 @@ static inline void set_page_links(struct page *page, enum zone_type zone,
 
 static __always_inline void *lowmem_page_address(struct page *page)
 {
-	return __va(page_to_pfn(page) << PAGE_SHIFT);
+	return __va(PFN_PHYS(page_to_pfn(page)));
 }
 
 #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)

From 7ca8b9c0dafd1cb36289aa4c92c7beae7adcd34f Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Mon, 24 May 2010 14:32:54 -0700
Subject: [PATCH 3036/3638] frv: extend gdbstub to support more features of gdb

Extend gdbstub to support more features of gdb remote protocol to keep
gdb-7 and emacs gud mode happy:

 (*) The D command.  Detach debugger.

 (*) The H command.  Handle setting the target thread by ignoring it.

 (*) The qAttached command.  Indicate we 'attached' to an existing process.

 (*) The qC command.  Indicate that the current thread ID is 0.

 (*) The qOffsets command.  Indicate that no relocation has been done.

 (*) The qSymbol:: command.  Indicate that we're not interested in looking up
     any symbol addresses.

 (*) The qSupported command.  Indicate the maximum packet size and the fact
     that reverse step and continue aren't supported.

 (*) The vCont? command.  Indicate that we don't support any of its variants.

Also make it possible to trace the commands and replies without tracing
the individual character I/O.

[akpm@linux-foundation.org: make gdbstub_handle_query() static]
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/frv/include/asm/gdb-stub.h |  7 ++++
 arch/frv/kernel/gdb-io.c        |  4 +--
 arch/frv/kernel/gdb-stub.c      | 61 +++++++++++++++++++++++++++++++++
 3 files changed, 70 insertions(+), 2 deletions(-)

diff --git a/arch/frv/include/asm/gdb-stub.h b/arch/frv/include/asm/gdb-stub.h
index 2da716407ff..e6bedd0cd9a 100644
--- a/arch/frv/include/asm/gdb-stub.h
+++ b/arch/frv/include/asm/gdb-stub.h
@@ -12,6 +12,7 @@
 #ifndef __ASM_GDB_STUB_H
 #define __ASM_GDB_STUB_H
 
+#undef GDBSTUB_DEBUG_IO
 #undef GDBSTUB_DEBUG_PROTOCOL
 
 #include <asm/ptrace.h>
@@ -108,6 +109,12 @@ extern void gdbstub_printk(const char *fmt, ...);
 extern void debug_to_serial(const char *p, int n);
 extern void console_set_baud(unsigned baud);
 
+#ifdef GDBSTUB_DEBUG_IO
+#define gdbstub_io(FMT,...) gdbstub_printk(FMT, ##__VA_ARGS__)
+#else
+#define gdbstub_io(FMT,...) ({ 0; })
+#endif
+
 #ifdef GDBSTUB_DEBUG_PROTOCOL
 #define gdbstub_proto(FMT,...) gdbstub_printk(FMT,##__VA_ARGS__)
 #else
diff --git a/arch/frv/kernel/gdb-io.c b/arch/frv/kernel/gdb-io.c
index c997bccb922..2ca641d199f 100644
--- a/arch/frv/kernel/gdb-io.c
+++ b/arch/frv/kernel/gdb-io.c
@@ -171,11 +171,11 @@ int gdbstub_rx_char(unsigned char *_ch, int nonblock)
 		return -EINTR;
 	}
 	else if (st & (UART_LSR_FE|UART_LSR_OE|UART_LSR_PE)) {
-		gdbstub_proto("### GDB Rx Error (st=%02x) ###\n",st);
+		gdbstub_io("### GDB Rx Error (st=%02x) ###\n",st);
 		return -EIO;
 	}
 	else {
-		gdbstub_proto("### GDB Rx %02x (st=%02x) ###\n",ch,st);
+		gdbstub_io("### GDB Rx %02x (st=%02x) ###\n",ch,st);
 		*_ch = ch & 0x7f;
 		return 0;
 	}
diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c
index 7ca8a6b19ac..84d103c33c9 100644
--- a/arch/frv/kernel/gdb-stub.c
+++ b/arch/frv/kernel/gdb-stub.c
@@ -1344,6 +1344,44 @@ void gdbstub_get_mmu_state(void)
 
 } /* end gdbstub_get_mmu_state() */
 
+/*
+ * handle general query commands of the form 'qXXXXX'
+ */
+static void gdbstub_handle_query(void)
+{
+	if (strcmp(input_buffer, "qAttached") == 0) {
+		/* return current thread ID */
+		sprintf(output_buffer, "1");
+		return;
+	}
+
+	if (strcmp(input_buffer, "qC") == 0) {
+		/* return current thread ID */
+		sprintf(output_buffer, "QC 0");
+		return;
+	}
+
+	if (strcmp(input_buffer, "qOffsets") == 0) {
+		/* return relocation offset of text and data segments */
+		sprintf(output_buffer, "Text=0;Data=0;Bss=0");
+		return;
+	}
+
+	if (strcmp(input_buffer, "qSymbol::") == 0) {
+		sprintf(output_buffer, "OK");
+		return;
+	}
+
+	if (strcmp(input_buffer, "qSupported") == 0) {
+		/* query of supported features */
+		sprintf(output_buffer, "PacketSize=%u;ReverseContinue-;ReverseStep-",
+			sizeof(input_buffer));
+		return;
+	}
+
+	gdbstub_strcpy(output_buffer,"E01");
+}
+
 /*****************************************************************************/
 /*
  * handle event interception and GDB remote protocol processing
@@ -1840,6 +1878,10 @@ void gdbstub(int sigval)
 		case 'k' :
 			goto done;	/* just continue */
 
+			/* detach */
+		case 'D':
+			gdbstub_strcpy(output_buffer, "OK");
+			break;
 
 			/* reset the whole machine (FIXME: system dependent) */
 		case 'r':
@@ -1852,6 +1894,14 @@ void gdbstub(int sigval)
 			__debug_status.dcr |= DCR_SE;
 			goto done;
 
+			/* extended command */
+		case 'v':
+			if (strcmp(input_buffer, "vCont?") == 0) {
+				output_buffer[0] = 0;
+				break;
+			}
+			goto unsupported_cmd;
+
 			/* set baud rate (bBB) */
 		case 'b':
 			ptr = &input_buffer[1];
@@ -1923,8 +1973,19 @@ void gdbstub(int sigval)
 			gdbstub_strcpy(output_buffer,"OK");
 			break;
 
+			/* Thread-setting packet */
+		case 'H':
+			gdbstub_strcpy(output_buffer, "OK");
+			break;
+
+		case 'q':
+			gdbstub_handle_query();
+			break;
+
 		default:
+		unsupported_cmd:
 			gdbstub_proto("### GDB Unsupported Cmd '%s'\n",input_buffer);
+			gdbstub_strcpy(output_buffer,"E01");
 			break;
 		}
 

From 69dcf3db03626c4f18de624e8632454ea12ff260 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Mon, 24 May 2010 14:32:54 -0700
Subject: [PATCH 3037/3638] frv: set ARCH_KMALLOC_MINALIGN

Architectures that handle DMA-non-coherent memory need to set
ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: the
buffer doesn't share a cache with the others.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/frv/include/asm/cache.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h
index 2797163b8f4..7dc0f0f85b7 100644
--- a/arch/frv/include/asm/cache.h
+++ b/arch/frv/include/asm/cache.h
@@ -17,6 +17,8 @@
 #define L1_CACHE_SHIFT		(CONFIG_FRV_L1_CACHE_SHIFT)
 #define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
 
+#define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
+
 #define __cacheline_aligned	__attribute__((aligned(L1_CACHE_BYTES)))
 #define ____cacheline_aligned	__attribute__((aligned(L1_CACHE_BYTES)))
 

From e9a137cb00d8b0f71c08a9e67d993f53e7713d21 Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@snapgear.com>
Date: Mon, 24 May 2010 14:32:55 -0700
Subject: [PATCH 3038/3638] m68knommu: fix broken use of BUAD_TABLE_SIZE in
 68328serial driver

Commit 8b505ca8e2600eb9e7dd2d6b2682a81717671374 ("serial: 68328serial.c:
remove BAUD_TABLE_SIZE macro") misses one use of BAUD_TABLE_SIZE.  So the
resulting 68328serial.c does not compile:

drivers/serial/68328serial.c: In function `m68328_console_setup':
drivers/serial/68328serial.c:1439: error: `BAUD_TABLE_SIZE' undeclared (first use in this function)
drivers/serial/68328serial.c:1439: error: (Each undeclared identifier is reported only once
drivers/serial/68328serial.c:1439: error: for each function it appears in.)

Fix that last use of it.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Cc: Thiago Farina <tfransosi@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/serial/68328serial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index 78ed24bb6a3..30463862603 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -1437,7 +1437,7 @@ int m68328_console_setup(struct console *cp, char *arg)
 	for (i = 0; i < ARRAY_SIZE(baud_table); i++)
 		if (baud_table[i] == n)
 			break;
-	if (i < BAUD_TABLE_SIZE) {
+	if (i < ARRAY_SIZE(baud_table)) {
 		m68328_console_baud = n;
 		m68328_console_cbaud = 0;
 		if (i > 15) {

From 366831615911c51596b2a9e1024a110a1d0939a1 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 24 May 2010 14:32:56 -0700
Subject: [PATCH 3039/3638] mn10300: use generic atomic.h

asm-generic/atomic.h has been derived from the mn10300 implementation.
Remove the now duplicated mn10300 implementation by including the generic
version instead.

This adds cmpxchg_local() and cmpxchg64_local() for free to the
architecture, as they are implemented in asm-generic/atomic.h.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Peter Fritzsche <peter.fritzsche@gmx.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Jamie Lokier <jamie@shareable.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Keith M Wesolowski <wesolows@foobazco.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/mn10300/include/asm/atomic.h | 158 +-----------------------------
 1 file changed, 1 insertion(+), 157 deletions(-)

diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h
index e41222d6c2f..f0cc1f84a72 100644
--- a/arch/mn10300/include/asm/atomic.h
+++ b/arch/mn10300/include/asm/atomic.h
@@ -1,157 +1 @@
-/* MN10300 Atomic counter operations
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#ifndef _ASM_ATOMIC_H
-#define _ASM_ATOMIC_H
-
-#ifdef CONFIG_SMP
-#error not SMP safe
-#endif
-
-/*
- * Atomic operations that C can't guarantee us.  Useful for
- * resource counting etc..
- */
-
-#define ATOMIC_INIT(i)	{ (i) }
-
-#ifdef __KERNEL__
-
-/**
- * atomic_read - read atomic variable
- * @v: pointer of type atomic_t
- *
- * Atomically reads the value of @v.  Note that the guaranteed
- * useful range of an atomic_t is only 24 bits.
- */
-#define atomic_read(v)	(*(volatile int *)&(v)->counter)
-
-/**
- * atomic_set - set atomic variable
- * @v: pointer of type atomic_t
- * @i: required value
- *
- * Atomically sets the value of @v to @i.  Note that the guaranteed
- * useful range of an atomic_t is only 24 bits.
- */
-#define atomic_set(v, i) (((v)->counter) = (i))
-
-#include <asm/system.h>
-
-/**
- * atomic_add_return - add integer to atomic variable
- * @i: integer value to add
- * @v: pointer of type atomic_t
- *
- * Atomically adds @i to @v and returns the result
- * Note that the guaranteed useful range of an atomic_t is only 24 bits.
- */
-static inline int atomic_add_return(int i, atomic_t *v)
-{
-	unsigned long flags;
-	int temp;
-
-	local_irq_save(flags);
-	temp = v->counter;
-	temp += i;
-	v->counter = temp;
-	local_irq_restore(flags);
-
-	return temp;
-}
-
-/**
- * atomic_sub_return - subtract integer from atomic variable
- * @i: integer value to subtract
- * @v: pointer of type atomic_t
- *
- * Atomically subtracts @i from @v and returns the result
- * Note that the guaranteed useful range of an atomic_t is only 24 bits.
- */
-static inline int atomic_sub_return(int i, atomic_t *v)
-{
-	unsigned long flags;
-	int temp;
-
-	local_irq_save(flags);
-	temp = v->counter;
-	temp -= i;
-	v->counter = temp;
-	local_irq_restore(flags);
-
-	return temp;
-}
-
-static inline int atomic_add_negative(int i, atomic_t *v)
-{
-	return atomic_add_return(i, v) < 0;
-}
-
-static inline void atomic_add(int i, atomic_t *v)
-{
-	atomic_add_return(i, v);
-}
-
-static inline void atomic_sub(int i, atomic_t *v)
-{
-	atomic_sub_return(i, v);
-}
-
-static inline void atomic_inc(atomic_t *v)
-{
-	atomic_add_return(1, v);
-}
-
-static inline void atomic_dec(atomic_t *v)
-{
-	atomic_sub_return(1, v);
-}
-
-#define atomic_dec_return(v)		atomic_sub_return(1, (v))
-#define atomic_inc_return(v)		atomic_add_return(1, (v))
-
-#define atomic_sub_and_test(i, v)	(atomic_sub_return((i), (v)) == 0)
-#define atomic_dec_and_test(v)		(atomic_sub_return(1, (v)) == 0)
-#define atomic_inc_and_test(v)		(atomic_add_return(1, (v)) == 0)
-
-#define atomic_add_unless(v, a, u)				\
-({								\
-	int c, old;						\
-	c = atomic_read(v);					\
-	while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
-		c = old;					\
-	c != (u);						\
-})
-
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-
-static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
-{
-	unsigned long flags;
-
-	mask = ~mask;
-	local_irq_save(flags);
-	*addr &= mask;
-	local_irq_restore(flags);
-}
-
-#define atomic_xchg(ptr, v)		(xchg(&(ptr)->counter, (v)))
-#define atomic_cmpxchg(v, old, new)	(cmpxchg(&((v)->counter), (old), (new)))
-
-/* Atomic operations are already serializing on MN10300??? */
-#define smp_mb__before_atomic_dec()	barrier()
-#define smp_mb__after_atomic_dec()	barrier()
-#define smp_mb__before_atomic_inc()	barrier()
-#define smp_mb__after_atomic_inc()	barrier()
-
-#include <asm-generic/atomic-long.h>
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_ATOMIC_H */
+#include <asm-generic/atomic.h>

From 6cdafaae41d52e6ef9a5c5be23602ef083e4d0f9 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Mon, 24 May 2010 14:32:58 -0700
Subject: [PATCH 3040/3638] mn10300: set ARCH_KMALLOC_MINALIGN

Architectures that handle DMA-non-coherent memory need to set
ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: the
buffer doesn't share a cache with the others.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/mn10300/include/asm/cache.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mn10300/include/asm/cache.h b/arch/mn10300/include/asm/cache.h
index e03cfa2e997..6e2fe28dde4 100644
--- a/arch/mn10300/include/asm/cache.h
+++ b/arch/mn10300/include/asm/cache.h
@@ -21,6 +21,8 @@
 #define L1_CACHE_DISPARITY	L1_CACHE_NENTRIES * L1_CACHE_BYTES
 #endif
 
+#define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
+
 /* data cache purge registers
  * - read from the register to unconditionally purge that cache line
  * - write address & 0xffffff00 to conditionally purge that cache line

From 1f85f87d4f81d1e5a2d502d48316a1bdc5acac0b Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 24 May 2010 14:32:59 -0700
Subject: [PATCH 3041/3638] cpuidle: add a repeating pattern detector to the
 menu governor

Currently, the menu governor uses the (corrected) next timer as key item
for predicting the idle duration.

It turns out that there are specific cases where this breaks down: There
are cases where we have a very repetitive pattern of idle durations, where
the idle period is pretty much the same, for reasons completely unrelated
to the next timer event.  Examples of such repeating patterns are network
loads with irq mitigation, the mouse moving but in theory also the wifi
beacons.

This patch adds a relatively simple detector for such repeating patterns,
where the standard deviation of the last 8 idle periods is compared to a
threshold.

With this extra predictor in place, measurements show that the DECAY
factor can now be increased (the decaying average will now decay slower)
to get an even more stable result.

[arjan@infradead.org: fix bug identified by Frank]
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Corrado Zoccolo <czoccolo@gmail.com>
Cc: Frank Rowand <frank.rowand@am.sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/cpuidle/governors/menu.c | 60 +++++++++++++++++++++++++++++++-
 1 file changed, 59 insertions(+), 1 deletion(-)

diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index b81ad9c731a..52ff8aa63f8 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -21,9 +21,12 @@
 #include <linux/math64.h>
 
 #define BUCKETS 12
+#define INTERVALS 8
 #define RESOLUTION 1024
-#define DECAY 4
+#define DECAY 8
 #define MAX_INTERESTING 50000
+#define STDDEV_THRESH 400
+
 
 /*
  * Concepts and ideas behind the menu governor
@@ -64,6 +67,16 @@
  * indexed based on the magnitude of the expected duration as well as the
  * "is IO outstanding" property.
  *
+ * Repeatable-interval-detector
+ * ----------------------------
+ * There are some cases where "next timer" is a completely unusable predictor:
+ * Those cases where the interval is fixed, for example due to hardware
+ * interrupt mitigation, but also due to fixed transfer rate devices such as
+ * mice.
+ * For this, we use a different predictor: We track the duration of the last 8
+ * intervals and if the stand deviation of these 8 intervals is below a
+ * threshold value, we use the average of these intervals as prediction.
+ *
  * Limiting Performance Impact
  * ---------------------------
  * C states, especially those with large exit latencies, can have a real
@@ -104,6 +117,8 @@ struct menu_device {
 	unsigned int	exit_us;
 	unsigned int	bucket;
 	u64		correction_factor[BUCKETS];
+	u32		intervals[INTERVALS];
+	int		interval_ptr;
 };
 
 
@@ -175,6 +190,42 @@ static u64 div_round64(u64 dividend, u32 divisor)
 	return div_u64(dividend + (divisor / 2), divisor);
 }
 
+/*
+ * Try detecting repeating patterns by keeping track of the last 8
+ * intervals, and checking if the standard deviation of that set
+ * of points is below a threshold. If it is... then use the
+ * average of these 8 points as the estimated value.
+ */
+static void detect_repeating_patterns(struct menu_device *data)
+{
+	int i;
+	uint64_t avg = 0;
+	uint64_t stddev = 0; /* contains the square of the std deviation */
+
+	/* first calculate average and standard deviation of the past */
+	for (i = 0; i < INTERVALS; i++)
+		avg += data->intervals[i];
+	avg = avg / INTERVALS;
+
+	/* if the avg is beyond the known next tick, it's worthless */
+	if (avg > data->expected_us)
+		return;
+
+	for (i = 0; i < INTERVALS; i++)
+		stddev += (data->intervals[i] - avg) *
+			  (data->intervals[i] - avg);
+
+	stddev = stddev / INTERVALS;
+
+	/*
+	 * now.. if stddev is small.. then assume we have a
+	 * repeating pattern and predict we keep doing this.
+	 */
+
+	if (avg && stddev < STDDEV_THRESH)
+		data->predicted_us = avg;
+}
+
 /**
  * menu_select - selects the next idle state to enter
  * @dev: the CPU
@@ -218,6 +269,8 @@ static int menu_select(struct cpuidle_device *dev)
 	data->predicted_us = div_round64(data->expected_us * data->correction_factor[data->bucket],
 					 RESOLUTION * DECAY);
 
+	detect_repeating_patterns(data);
+
 	/*
 	 * We want to default to C1 (hlt), not to busy polling
 	 * unless the timer is happening really really soon.
@@ -310,6 +363,11 @@ static void menu_update(struct cpuidle_device *dev)
 		new_factor = 1;
 
 	data->correction_factor[data->bucket] = new_factor;
+
+	/* update the repeating-pattern data */
+	data->intervals[data->interval_ptr++] = last_idle_us;
+	if (data->interval_ptr >= INTERVALS)
+		data->interval_ptr = 0;
 }
 
 /**

From e47103b1af5df52fa69e18b14d3012472f78817d Mon Sep 17 00:00:00 2001
From: Jani Nikula <ext-jani.1.nikula@nokia.com>
Date: Mon, 24 May 2010 14:33:00 -0700
Subject: [PATCH 3042/3638] err.h: add __must_check to error pointer handlers

Add __must_check to error pointer handlers to have the compiler warn about
mistakes like:

	if (err)
		ERR_PTR(err);

It found two bugs:

Mar 12 Nikula Jani [PATCH] enclosure: fix error path - actually return ERR_PTR() on error
Mar 12 Nikula Jani [PATCH] sunrpc: fix error path - actually return ERR_PTR() on error

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Cc: Phil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/err.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/err.h b/include/linux/err.h
index 1b12642636c..448afc12c78 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -19,22 +19,22 @@
 
 #define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
 
-static inline void *ERR_PTR(long error)
+static inline void * __must_check ERR_PTR(long error)
 {
 	return (void *) error;
 }
 
-static inline long PTR_ERR(const void *ptr)
+static inline long __must_check PTR_ERR(const void *ptr)
 {
 	return (long) ptr;
 }
 
-static inline long IS_ERR(const void *ptr)
+static inline long __must_check IS_ERR(const void *ptr)
 {
 	return IS_ERR_VALUE((unsigned long)ptr);
 }
 
-static inline long IS_ERR_OR_NULL(const void *ptr)
+static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
 {
 	return !ptr || IS_ERR_VALUE((unsigned long)ptr);
 }
@@ -46,7 +46,7 @@ static inline long IS_ERR_OR_NULL(const void *ptr)
  * Explicitly cast an error-valued pointer to another pointer type in such a
  * way as to make it clear that's what's going on.
  */
-static inline void *ERR_CAST(const void *ptr)
+static inline void * __must_check ERR_CAST(const void *ptr)
 {
 	/* cast away the const */
 	return (void *) ptr;

From b3b77c8caef1750ebeea1054e39e358550ea9f55 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Date: Mon, 24 May 2010 14:33:01 -0700
Subject: [PATCH 3043/3638] endian: #define __BYTE_ORDER

Linux does not define __BYTE_ORDER in its endian header files which makes
some header files bend backwards to get at the current endian.  Lets
#define __BYTE_ORDER in big_endian.h/litte_endian.h to make it easier for
header files that are used in user space too.

In userspace the convention is that

  1. _both_ __LITTLE_ENDIAN and __BIG_ENDIAN are defined,
  2. you have to test for e.g. __BYTE_ORDER == __BIG_ENDIAN.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/alpha/math-emu/sfp-util.h          | 5 -----
 arch/powerpc/include/asm/sfp-machine.h  | 6 ------
 arch/s390/include/asm/sfp-util.h        | 2 --
 arch/sh/math-emu/sfp-util.h             | 4 ----
 arch/sparc/math-emu/sfp-util_32.h       | 6 ------
 arch/sparc/math-emu/sfp-util_64.h       | 6 ------
 arch/x86/boot/compressed/relocs.c       | 4 ++--
 include/linux/byteorder/big_endian.h    | 3 +++
 include/linux/byteorder/little_endian.h | 3 +++
 9 files changed, 8 insertions(+), 31 deletions(-)

diff --git a/arch/alpha/math-emu/sfp-util.h b/arch/alpha/math-emu/sfp-util.h
index f53707f7745..d4c6ae7fee4 100644
--- a/arch/alpha/math-emu/sfp-util.h
+++ b/arch/alpha/math-emu/sfp-util.h
@@ -28,8 +28,3 @@ extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
 #define UDIV_NEEDS_NORMALIZATION 1  
 
 #define abort()			goto bad_insn
-
-#ifndef __LITTLE_ENDIAN
-#define __LITTLE_ENDIAN -1
-#endif
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/arch/powerpc/include/asm/sfp-machine.h b/arch/powerpc/include/asm/sfp-machine.h
index 3a7a67a0d00..8b8fab91ad1 100644
--- a/arch/powerpc/include/asm/sfp-machine.h
+++ b/arch/powerpc/include/asm/sfp-machine.h
@@ -353,12 +353,6 @@
 #define abort()								\
 	return 0
 
-#ifdef __BIG_ENDIAN
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
-
 /* Exception flags. */
 #define EFLAG_INVALID		(1 << (31 - 2))
 #define EFLAG_OVERFLOW		(1 << (31 - 3))
diff --git a/arch/s390/include/asm/sfp-util.h b/arch/s390/include/asm/sfp-util.h
index 0addc6466d9..7d43fee17e3 100644
--- a/arch/s390/include/asm/sfp-util.h
+++ b/arch/s390/include/asm/sfp-util.h
@@ -73,5 +73,3 @@ extern unsigned long __udiv_qrnnd (unsigned int *, unsigned int,
 #define UDIV_NEEDS_NORMALIZATION 0
 
 #define abort() return 0
-
-#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/arch/sh/math-emu/sfp-util.h b/arch/sh/math-emu/sfp-util.h
index 8ae1bd310ad..e8526021892 100644
--- a/arch/sh/math-emu/sfp-util.h
+++ b/arch/sh/math-emu/sfp-util.h
@@ -66,7 +66,3 @@
   } while (0)
 
 #define abort()	return 0
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
-
-
diff --git a/arch/sparc/math-emu/sfp-util_32.h b/arch/sparc/math-emu/sfp-util_32.h
index d1b2aff3c25..0ea35afbb91 100644
--- a/arch/sparc/math-emu/sfp-util_32.h
+++ b/arch/sparc/math-emu/sfp-util_32.h
@@ -107,9 +107,3 @@
 
 #define abort()								\
 	return 0
-
-#ifdef __BIG_ENDIAN
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
diff --git a/arch/sparc/math-emu/sfp-util_64.h b/arch/sparc/math-emu/sfp-util_64.h
index 425d3cf01af..d17c9bc7218 100644
--- a/arch/sparc/math-emu/sfp-util_64.h
+++ b/arch/sparc/math-emu/sfp-util_64.h
@@ -112,9 +112,3 @@
 
 #define abort() \
 	return 0
-
-#ifdef __BIG_ENDIAN
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c
index 89bbf4e4d05..7b1aaa20c7b 100644
--- a/arch/x86/boot/compressed/relocs.c
+++ b/arch/x86/boot/compressed/relocs.c
@@ -195,11 +195,11 @@ static const char *sym_name(const char *sym_strtab, Elf32_Sym *sym)
 
 
 
-#if BYTE_ORDER == LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
 #define le16_to_cpu(val) (val)
 #define le32_to_cpu(val) (val)
 #endif
-#if BYTE_ORDER == BIG_ENDIAN
+#if __BYTE_ORDER == __BIG_ENDIAN
 #define le16_to_cpu(val) bswap_16(val)
 #define le32_to_cpu(val) bswap_32(val)
 #endif
diff --git a/include/linux/byteorder/big_endian.h b/include/linux/byteorder/big_endian.h
index 3c80fd7e8b5..d53a67dff01 100644
--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -7,6 +7,9 @@
 #ifndef __BIG_ENDIAN_BITFIELD
 #define __BIG_ENDIAN_BITFIELD
 #endif
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER __BIG_ENDIAN
+#endif
 
 #include <linux/types.h>
 #include <linux/swab.h>
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
index 83195fb8296..f7f8ad13adb 100644
--- a/include/linux/byteorder/little_endian.h
+++ b/include/linux/byteorder/little_endian.h
@@ -7,6 +7,9 @@
 #ifndef __LITTLE_ENDIAN_BITFIELD
 #define __LITTLE_ENDIAN_BITFIELD
 #endif
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
 
 #include <linux/types.h>
 #include <linux/swab.h>

From 940370fc86b920b51a34217a1facc3e9e97c2456 Mon Sep 17 00:00:00 2001
From: Yury Polyanskiy <ypolyans@princeton.edu>
Date: Mon, 24 May 2010 14:33:02 -0700
Subject: [PATCH 3044/3638] hangcheck-timer: fix x86_32 bugs

drivers/char/hangcheck-timer.c is doubly broken.  When the overflown value
of TIMER_FREQ is abnormally low, it spams the syslog with KERN_CRIT
messages "Hangcheck: hangcheck value past margin!" But whether it happens
or not depends on HZ and lpj in a complex way.  People have hit it
occasionally as far as google search can tell.

First, the following line overflows unsigned long:

# define TIMER_FREQ (HZ*loops_per_jiffy)

Second, and more importantly, loops_per_jiffy has little to do with the
con= version from the the time scale of get_cycles() (aka rdtsc) to the
time scale of jiffies.

The attached patch resolves both of the problems.

Acked-by: Joel Becker <joel.becker@oracle.com>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/hangcheck-timer.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c
index 712d9f271aa..e0249722d25 100644
--- a/drivers/char/hangcheck-timer.c
+++ b/drivers/char/hangcheck-timer.c
@@ -49,8 +49,9 @@
 #include <asm/uaccess.h>
 #include <linux/sysrq.h>
 #include <linux/timer.h>
+#include <linux/time.h>
 
-#define VERSION_STR "0.9.0"
+#define VERSION_STR "0.9.1"
 
 #define DEFAULT_IOFENCE_MARGIN 60	/* Default fudge factor, in seconds */
 #define DEFAULT_IOFENCE_TICK 180	/* Default timer timeout, in seconds */
@@ -119,10 +120,8 @@ __setup("hcheck_dump_tasks", hangcheck_parse_dump_tasks);
 #if defined(CONFIG_S390)
 # define HAVE_MONOTONIC
 # define TIMER_FREQ 1000000000ULL
-#elif defined(CONFIG_IA64)
-# define TIMER_FREQ ((unsigned long long)local_cpu_data->itc_freq)
 #else
-# define TIMER_FREQ (HZ*loops_per_jiffy)
+# define TIMER_FREQ 1000000000ULL
 #endif
 
 #ifdef HAVE_MONOTONIC
@@ -130,7 +129,9 @@ extern unsigned long long monotonic_clock(void);
 #else
 static inline unsigned long long monotonic_clock(void)
 {
-	return get_cycles();
+	struct timespec ts;
+	getrawmonotonic(&ts);
+	return timespec_to_ns(&ts);
 }
 #endif  /* HAVE_MONOTONIC */
 
@@ -168,6 +169,13 @@ static void hangcheck_fire(unsigned long data)
 			printk(KERN_CRIT "Hangcheck: hangcheck value past margin!\n");
 		}
 	}
+#if 0
+	/*
+	 * Enable to investigate delays in detail
+	 */
+	printk("Hangcheck: called %Ld ns since last time (%Ld ns overshoot)\n",
+			tsc_diff, tsc_diff - hangcheck_tick*TIMER_FREQ);
+#endif
 	mod_timer(&hangcheck_ticktock, jiffies + (hangcheck_tick*HZ));
 	hangcheck_tsc = monotonic_clock();
 }
@@ -180,7 +188,7 @@ static int __init hangcheck_init(void)
 #if defined (HAVE_MONOTONIC)
 	printk("Hangcheck: Using monotonic_clock().\n");
 #else
-	printk("Hangcheck: Using get_cycles().\n");
+	printk("Hangcheck: Using getrawmonotonic().\n");
 #endif  /* HAVE_MONOTONIC */
 	hangcheck_tsc_margin =
 		(unsigned long long)(hangcheck_margin + hangcheck_tick);

From 4be929be34f9bdeffa40d815d32d7d60d2c7f03b Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 24 May 2010 14:33:03 -0700
Subject: [PATCH 3045/3638] kernel-wide: replace USHORT_MAX, SHORT_MAX and
 SHORT_MIN with USHRT_MAX, SHRT_MAX and SHRT_MIN

- C99 knows about USHRT_MAX/SHRT_MAX/SHRT_MIN, not
  USHORT_MAX/SHORT_MAX/SHORT_MIN.

- Make SHRT_MIN of type s16, not int, for consistency.

[akpm@linux-foundation.org: fix drivers/dma/timb_dma.c]
[akpm@linux-foundation.org: fix security/keys/keyring.c]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/dma/timb_dma.c                |  2 +-
 drivers/scsi/fcoe/fcoe.c              |  2 +-
 drivers/scsi/mpt2sas/mpt2sas_base.c   |  2 +-
 drivers/scsi/mpt2sas/mpt2sas_config.c |  2 +-
 drivers/vhost/vhost.c                 |  2 +-
 fs/nfs/super.c                        |  4 ++--
 fs/nfsd/nfsctl.c                      |  4 ++--
 fs/ocfs2/blockcheck.c                 |  4 ++--
 include/linux/kernel.h                |  6 +++---
 include/linux/sched.h                 |  2 +-
 include/net/ip.h                      |  6 +++---
 include/net/ipv6.h                    |  6 +++---
 ipc/msg.c                             | 12 ++++++------
 ipc/util.c                            |  4 ++--
 lib/vsprintf.c                        |  2 +-
 net/9p/protocol.c                     |  2 +-
 net/dccp/options.c                    |  2 +-
 net/ipv4/udp.c                        |  8 ++++----
 net/mac80211/sta_info.c               |  2 +-
 net/sunrpc/rpcb_clnt.c                |  2 +-
 security/keys/keyring.c               |  6 +++---
 21 files changed, 41 insertions(+), 41 deletions(-)

diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 0172fa3c7a2..a1bf77c1993 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -188,7 +188,7 @@ static void __td_unmap_descs(struct timb_dma_desc *td_desc, bool single)
 static int td_fill_desc(struct timb_dma_chan *td_chan, u8 *dma_desc,
 	struct scatterlist *sg, bool last)
 {
-	if (sg_dma_len(sg) > USHORT_MAX) {
+	if (sg_dma_len(sg) > USHRT_MAX) {
 		dev_err(chan2dev(&td_chan->chan), "Too big sg element\n");
 		return -EINVAL;
 	}
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 9276121db1e..44a07593de5 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -688,7 +688,7 @@ static int fcoe_shost_config(struct fc_lport *lport, struct device *dev)
 	}
 
 	if (!lport->vport)
-		fc_host_max_npiv_vports(lport->host) = USHORT_MAX;
+		fc_host_max_npiv_vports(lport->host) = USHRT_MAX;
 
 	snprintf(fc_host_symbolic_name(lport->host), FC_SYMBOLIC_NAME_SIZE,
 		 "%s v%s over %s", FCOE_NAME, FCOE_VERSION,
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index b830d61684d..0ec1ed389c2 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3757,7 +3757,7 @@ _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
 		if (ioc->config_cmds.status & MPT2_CMD_PENDING) {
 			ioc->config_cmds.status |= MPT2_CMD_RESET;
 			mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid);
-			ioc->config_cmds.smid = USHORT_MAX;
+			ioc->config_cmds.smid = USHRT_MAX;
 			complete(&ioc->config_cmds.done);
 		}
 		break;
diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c
index e762dd3e2fc..c65442982d7 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_config.c
@@ -258,7 +258,7 @@ mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
 	_config_display_some_debug(ioc, smid, "config_done", mpi_reply);
 #endif
-	ioc->config_cmds.smid = USHORT_MAX;
+	ioc->config_cmds.smid = USHRT_MAX;
 	complete(&ioc->config_cmds.done);
 	return 1;
 }
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 750effe0f98..c6fb8e968f2 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -806,7 +806,7 @@ static unsigned get_indirect(struct vhost_dev *dev, struct vhost_virtqueue *vq,
 	count = indirect->len / sizeof desc;
 	/* Buffers are chained via a 16 bit next field, so
 	 * we can have at most 2^16 of these. */
-	if (count > USHORT_MAX + 1) {
+	if (count > USHRT_MAX + 1) {
 		vq_err(vq, "Indirect buffer length too big: %d\n",
 		       indirect->len);
 		return -E2BIG;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 2f8b1157daa..04214fc5c30 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1060,7 +1060,7 @@ static int nfs_parse_mount_options(char *raw,
 				goto out_nomem;
 			rc = strict_strtoul(string, 10, &option);
 			kfree(string);
-			if (rc != 0 || option > USHORT_MAX)
+			if (rc != 0 || option > USHRT_MAX)
 				goto out_invalid_value;
 			mnt->nfs_server.port = option;
 			break;
@@ -1181,7 +1181,7 @@ static int nfs_parse_mount_options(char *raw,
 				goto out_nomem;
 			rc = strict_strtoul(string, 10, &option);
 			kfree(string);
-			if (rc != 0 || option > USHORT_MAX)
+			if (rc != 0 || option > USHRT_MAX)
 				goto out_invalid_value;
 			mnt->mount_server.port = option;
 			break;
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index bc3194ea01f..508941c23af 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -998,7 +998,7 @@ static ssize_t __write_ports_addxprt(char *buf)
 	if (sscanf(buf, "%15s %4u", transport, &port) != 2)
 		return -EINVAL;
 
-	if (port < 1 || port > USHORT_MAX)
+	if (port < 1 || port > USHRT_MAX)
 		return -EINVAL;
 
 	err = nfsd_create_serv();
@@ -1040,7 +1040,7 @@ static ssize_t __write_ports_delxprt(char *buf)
 	if (sscanf(&buf[1], "%15s %4u", transport, &port) != 2)
 		return -EINVAL;
 
-	if (port < 1 || port > USHORT_MAX || nfsd_serv == NULL)
+	if (port < 1 || port > USHRT_MAX || nfsd_serv == NULL)
 		return -EINVAL;
 
 	xprt = svc_find_xprt(nfsd_serv, transport, AF_UNSPEC, port);
diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c
index b7428c5d0d3..ec6d1233959 100644
--- a/fs/ocfs2/blockcheck.c
+++ b/fs/ocfs2/blockcheck.c
@@ -403,7 +403,7 @@ void ocfs2_block_check_compute(void *data, size_t blocksize,
 	 * No ecc'd ocfs2 structure is larger than 4K, so ecc will be no
 	 * larger than 16 bits.
 	 */
-	BUG_ON(ecc > USHORT_MAX);
+	BUG_ON(ecc > USHRT_MAX);
 
 	bc->bc_crc32e = cpu_to_le32(crc);
 	bc->bc_ecc = cpu_to_le16((u16)ecc);
@@ -508,7 +508,7 @@ void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr,
 	 * No ecc'd ocfs2 structure is larger than 4K, so ecc will be no
 	 * larger than 16 bits.
 	 */
-	BUG_ON(ecc > USHORT_MAX);
+	BUG_ON(ecc > USHRT_MAX);
 
 	bc->bc_crc32e = cpu_to_le32(crc);
 	bc->bc_ecc = cpu_to_le16((u16)ecc);
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index cc5e3ffe9fc..a2e7c32e17e 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -24,9 +24,9 @@
 extern const char linux_banner[];
 extern const char linux_proc_banner[];
 
-#define USHORT_MAX	((u16)(~0U))
-#define SHORT_MAX	((s16)(USHORT_MAX>>1))
-#define SHORT_MIN	(-SHORT_MAX - 1)
+#define USHRT_MAX	((u16)(~0U))
+#define SHRT_MAX	((s16)(USHRT_MAX>>1))
+#define SHRT_MIN	((s16)(-SHRT_MAX - 1))
 #define INT_MAX		((int)(~0U>>1))
 #define INT_MIN		(-INT_MAX - 1)
 #define UINT_MAX	(~0U)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 415b8f8a3f4..c0151ffd354 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -384,7 +384,7 @@ struct user_namespace;
  * 1-3 now and depends on arch. We use "5" as safe margin, here.
  */
 #define MAPCOUNT_ELF_CORE_MARGIN	(5)
-#define DEFAULT_MAX_MAP_COUNT	(USHORT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
+#define DEFAULT_MAX_MAP_COUNT	(USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
 
 extern int sysctl_max_map_count;
 
diff --git a/include/net/ip.h b/include/net/ip.h
index 63548f0a44b..452f229c380 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -358,11 +358,11 @@ enum ip_defrag_users {
 	IP_DEFRAG_LOCAL_DELIVER,
 	IP_DEFRAG_CALL_RA_CHAIN,
 	IP_DEFRAG_CONNTRACK_IN,
-	__IP_DEFRAG_CONNTRACK_IN_END	= IP_DEFRAG_CONNTRACK_IN + USHORT_MAX,
+	__IP_DEFRAG_CONNTRACK_IN_END	= IP_DEFRAG_CONNTRACK_IN + USHRT_MAX,
 	IP_DEFRAG_CONNTRACK_OUT,
-	__IP_DEFRAG_CONNTRACK_OUT_END	= IP_DEFRAG_CONNTRACK_OUT + USHORT_MAX,
+	__IP_DEFRAG_CONNTRACK_OUT_END	= IP_DEFRAG_CONNTRACK_OUT + USHRT_MAX,
 	IP_DEFRAG_CONNTRACK_BRIDGE_IN,
-	__IP_DEFRAG_CONNTRACK_BRIDGE_IN = IP_DEFRAG_CONNTRACK_BRIDGE_IN + USHORT_MAX,
+	__IP_DEFRAG_CONNTRACK_BRIDGE_IN = IP_DEFRAG_CONNTRACK_BRIDGE_IN + USHRT_MAX,
 	IP_DEFRAG_VS_IN,
 	IP_DEFRAG_VS_OUT,
 	IP_DEFRAG_VS_FWD
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index eba5cc00325..2600b69757b 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -354,11 +354,11 @@ struct inet_frag_queue;
 enum ip6_defrag_users {
 	IP6_DEFRAG_LOCAL_DELIVER,
 	IP6_DEFRAG_CONNTRACK_IN,
-	__IP6_DEFRAG_CONNTRACK_IN	= IP6_DEFRAG_CONNTRACK_IN + USHORT_MAX,
+	__IP6_DEFRAG_CONNTRACK_IN	= IP6_DEFRAG_CONNTRACK_IN + USHRT_MAX,
 	IP6_DEFRAG_CONNTRACK_OUT,
-	__IP6_DEFRAG_CONNTRACK_OUT	= IP6_DEFRAG_CONNTRACK_OUT + USHORT_MAX,
+	__IP6_DEFRAG_CONNTRACK_OUT	= IP6_DEFRAG_CONNTRACK_OUT + USHRT_MAX,
 	IP6_DEFRAG_CONNTRACK_BRIDGE_IN,
-	__IP6_DEFRAG_CONNTRACK_BRIDGE_IN = IP6_DEFRAG_CONNTRACK_BRIDGE_IN + USHORT_MAX,
+	__IP6_DEFRAG_CONNTRACK_BRIDGE_IN = IP6_DEFRAG_CONNTRACK_BRIDGE_IN + USHRT_MAX,
 };
 
 struct ip6_create_arg {
diff --git a/ipc/msg.c b/ipc/msg.c
index 9547cb7ac31..747b65507a9 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -345,19 +345,19 @@ copy_msqid_to_user(void __user *buf, struct msqid64_ds *in, int version)
 		out.msg_rtime		= in->msg_rtime;
 		out.msg_ctime		= in->msg_ctime;
 
-		if (in->msg_cbytes > USHORT_MAX)
-			out.msg_cbytes	= USHORT_MAX;
+		if (in->msg_cbytes > USHRT_MAX)
+			out.msg_cbytes	= USHRT_MAX;
 		else
 			out.msg_cbytes	= in->msg_cbytes;
 		out.msg_lcbytes		= in->msg_cbytes;
 
-		if (in->msg_qnum > USHORT_MAX)
-			out.msg_qnum	= USHORT_MAX;
+		if (in->msg_qnum > USHRT_MAX)
+			out.msg_qnum	= USHRT_MAX;
 		else
 			out.msg_qnum	= in->msg_qnum;
 
-		if (in->msg_qbytes > USHORT_MAX)
-			out.msg_qbytes	= USHORT_MAX;
+		if (in->msg_qbytes > USHRT_MAX)
+			out.msg_qbytes	= USHRT_MAX;
 		else
 			out.msg_qbytes	= in->msg_qbytes;
 		out.msg_lqbytes		= in->msg_qbytes;
diff --git a/ipc/util.c b/ipc/util.c
index 79ce84e890f..69a0cc13d96 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -124,8 +124,8 @@ void ipc_init_ids(struct ipc_ids *ids)
 	ids->seq = 0;
 	{
 		int seq_limit = INT_MAX/SEQ_MULTIPLIER;
-		if (seq_limit > USHORT_MAX)
-			ids->seq_max = USHORT_MAX;
+		if (seq_limit > USHRT_MAX)
+			ids->seq_max = USHRT_MAX;
 		 else
 		 	ids->seq_max = seq_limit;
 	}
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 46d34b0b74a..20c95121d8a 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1980,7 +1980,7 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
 		{
 			char *s = (char *)va_arg(args, char *);
 			if (field_width == -1)
-				field_width = SHORT_MAX;
+				field_width = SHRT_MAX;
 			/* first, skip leading white space in buffer */
 			str = skip_spaces(str);
 
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 77d3aab4036..149f8216013 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -394,7 +394,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
 				const char *sptr = va_arg(ap, const char *);
 				int16_t len = 0;
 				if (sptr)
-					len = MIN(strlen(sptr), USHORT_MAX);
+					len = MIN(strlen(sptr), USHRT_MAX);
 
 				errcode = p9pdu_writef(pdu, proto_version,
 								"w", len);
diff --git a/net/dccp/options.c b/net/dccp/options.c
index 1b08cae9c65..07395f861d3 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -296,7 +296,7 @@ static inline u8 dccp_ndp_len(const u64 ndp)
 {
 	if (likely(ndp <= 0xFF))
 		return 1;
-	return likely(ndp <= USHORT_MAX) ? 2 : (ndp <= UINT_MAX ? 4 : 6);
+	return likely(ndp <= USHRT_MAX) ? 2 : (ndp <= UINT_MAX ? 4 : 6);
 }
 
 int dccp_insert_option(struct sock *sk, struct sk_buff *skb,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 9de6a698f91..baeec29fe0f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1686,8 +1686,8 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
 			return -ENOPROTOOPT;
 		if (val != 0 && val < 8) /* Illegal coverage: use default (8) */
 			val = 8;
-		else if (val > USHORT_MAX)
-			val = USHORT_MAX;
+		else if (val > USHRT_MAX)
+			val = USHRT_MAX;
 		up->pcslen = val;
 		up->pcflag |= UDPLITE_SEND_CC;
 		break;
@@ -1700,8 +1700,8 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
 			return -ENOPROTOOPT;
 		if (val != 0 && val < 8) /* Avoid silly minimal values.       */
 			val = 8;
-		else if (val > USHORT_MAX)
-			val = USHORT_MAX;
+		else if (val > USHRT_MAX)
+			val = USHRT_MAX;
 		up->pcrlen = val;
 		up->pcflag |= UDPLITE_RECV_CC;
 		break;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 730197591ab..ba9360a475b 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -259,7 +259,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 	skb_queue_head_init(&sta->tx_filtered);
 
 	for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
-		sta->last_seq_ctrl[i] = cpu_to_le16(USHORT_MAX);
+		sta->last_seq_ctrl[i] = cpu_to_le16(USHRT_MAX);
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 	printk(KERN_DEBUG "%s: Allocated STA %pM\n",
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 121105355f6..dac219a56ae 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -783,7 +783,7 @@ static int rpcb_dec_getport(struct rpc_rqst *req, __be32 *p,
 	port = ntohl(*p);
 	dprintk("RPC: %5u PMAP_%s result: %lu\n", task->tk_pid,
 			task->tk_msg.rpc_proc->p_name, port);
-	if (unlikely(port > USHORT_MAX))
+	if (unlikely(port > USHRT_MAX))
 		return -EIO;
 
 	rpcb->r_port = port;
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index ef03a82a013..d37f713e73c 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -669,7 +669,7 @@ static void keyring_unlink_rcu_disposal(struct rcu_head *rcu)
 	struct keyring_list *klist =
 		container_of(rcu, struct keyring_list, rcu);
 
-	if (klist->delkey != USHORT_MAX)
+	if (klist->delkey != USHRT_MAX)
 		key_put(klist->keys[klist->delkey]);
 	kfree(klist);
 }
@@ -746,7 +746,7 @@ int __key_link_begin(struct key *keyring, const struct key_type *type,
 			max += klist->maxkeys;
 
 		ret = -ENFILE;
-		if (max > USHORT_MAX - 1)
+		if (max > USHRT_MAX - 1)
 			goto error_quota;
 		size = sizeof(*klist) + sizeof(struct key *) * max;
 		if (size > PAGE_SIZE)
@@ -763,7 +763,7 @@ int __key_link_begin(struct key *keyring, const struct key_type *type,
 			       sizeof(struct key *) * klist->nkeys);
 			nklist->delkey = klist->nkeys;
 			nklist->nkeys = klist->nkeys + 1;
-			klist->delkey = USHORT_MAX;
+			klist->delkey = USHRT_MAX;
 		} else {
 			nklist->nkeys = 1;
 			nklist->delkey = 0;

From 08a82c6872ac1d37cb993a52f1b35f97f48295bd Mon Sep 17 00:00:00 2001
From: Phil Carmody <ext-phil.2.carmody@nokia.com>
Date: Mon, 24 May 2010 14:33:04 -0700
Subject: [PATCH 3046/3638] hvsi: fix messed up error checking getting state
 name

Handle out-of-range indices before reading what they refer to.  And don't
access the one-past-the-end element of the array either.

Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Roel Kluin <roel.kluin@gmail.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/hvsi.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 793b236c926..d4b14ff1c4c 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -194,10 +194,8 @@ static inline void print_state(struct hvsi_struct *hp)
 		"HVSI_WAIT_FOR_MCTRL_RESPONSE",
 		"HVSI_FSP_DIED",
 	};
-	const char *name = state_names[hp->state];
-
-	if (hp->state > ARRAY_SIZE(state_names))
-		name = "UNKNOWN";
+	const char *name = (hp->state < ARRAY_SIZE(state_names))
+		? state_names[hp->state] : "UNKNOWN";
 
 	pr_debug("hvsi%i: state = %s\n", hp->index, name);
 #endif /* DEBUG */

From ef7ffe8f06895312aeb08a5f8a1d4c90e34335ea Mon Sep 17 00:00:00 2001
From: Alex Riesen <raa.lkml@gmail.com>
Date: Mon, 24 May 2010 14:33:05 -0700
Subject: [PATCH 3047/3638] sunrpc: use formatting of module name in SUNRPC

gcc-4.3.3 produces the warning:
  "format not a string literal and no format arguments"

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Chuck Lever <cel@citi.umich.edu>
Cc: David S. Miller <davem@davemloft.net>
Acked-by: Tom Talpey <tmtalpey@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 net/sunrpc/xprt.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 3fc325399ee..dcd0132396b 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -166,7 +166,6 @@ EXPORT_SYMBOL_GPL(xprt_unregister_transport);
 int xprt_load_transport(const char *transport_name)
 {
 	struct xprt_class *t;
-	char module_name[sizeof t->name + 5];
 	int result;
 
 	result = 0;
@@ -178,9 +177,7 @@ int xprt_load_transport(const char *transport_name)
 		}
 	}
 	spin_unlock(&xprt_list_lock);
-	strcpy(module_name, "xprt");
-	strncat(module_name, transport_name, sizeof t->name);
-	result = request_module(module_name);
+	result = request_module("xprt%s", transport_name);
 out:
 	return result;
 }

From 2ec93b0bf35fe0fad05d2b7ef139d018768cca38 Mon Sep 17 00:00:00 2001
From: Minchan Kim <minchan.kim@gmail.com>
Date: Mon, 24 May 2010 14:33:06 -0700
Subject: [PATCH 3048/3638] ntfs: clean up ntfs_attr_extend_initialized

cached_page and lru_pvec have not been used.  Let's remove the arguments.

Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Anton Altaparmakov <aia21@cantab.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ntfs/file.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 8804f093ba7..ed7a3347005 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -98,9 +98,6 @@ static int ntfs_file_open(struct inode *vi, struct file *filp)
  * the page at all.  For a more detailed explanation see ntfs_truncate() in
  * fs/ntfs/inode.c.
  *
- * @cached_page and @lru_pvec are just optimizations for dealing with multiple
- * pages.
- *
  * Return 0 on success and -errno on error.  In the case that an error is
  * encountered it is possible that the initialized size will already have been
  * incremented some way towards @new_init_size but it is guaranteed that if
@@ -110,8 +107,7 @@ static int ntfs_file_open(struct inode *vi, struct file *filp)
  * Locking: i_mutex on the vfs inode corrseponsind to the ntfs inode @ni must be
  *	    held by the caller.
  */
-static int ntfs_attr_extend_initialized(ntfs_inode *ni, const s64 new_init_size,
-		struct page **cached_page, struct pagevec *lru_pvec)
+static int ntfs_attr_extend_initialized(ntfs_inode *ni, const s64 new_init_size)
 {
 	s64 old_init_size;
 	loff_t old_i_size;
@@ -1925,8 +1921,7 @@ static ssize_t ntfs_file_buffered_write(struct kiocb *iocb,
 	ll = ni->initialized_size;
 	read_unlock_irqrestore(&ni->size_lock, flags);
 	if (pos > ll) {
-		err = ntfs_attr_extend_initialized(ni, pos, &cached_page,
-				&lru_pvec);
+		err = ntfs_attr_extend_initialized(ni, pos);
 		if (err < 0) {
 			ntfs_error(vol->sb, "Cannot perform write to inode "
 					"0x%lx, attribute type 0x%x, because "

From 4c99000ac47cbd097e62f1b5cafad745622cedc3 Mon Sep 17 00:00:00 2001
From: Minchan Kim <minchan.kim@gmail.com>
Date: Mon, 24 May 2010 14:33:07 -0700
Subject: [PATCH 3049/3638] ntfs: use add_to_page_cache_lru()

Quote from Nick piggin's about btrfs patch
- http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg04472.html.

"add_to_page_cache_lru is exported, so it should be used. Benefits over
using a private pagevec: neater code, 128 bytes fewer stack used, percpu
lru ordering is preserved, and finally don't need to flush pagevec
before returning so batching may be shared with other LRU insertions."

Let's use it instead of private pagevec in ntfs, too.

Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Anton Altaparmakov <aia21@cantab.net>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ntfs/file.c | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index ed7a3347005..a1924a0d2ab 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -399,18 +399,13 @@ static inline void ntfs_fault_in_pages_readable_iovec(const struct iovec *iov,
  * Obtain @nr_pages locked page cache pages from the mapping @mapping and
  * starting at index @index.
  *
- * If a page is newly created, increment its refcount and add it to the
- * caller's lru-buffering pagevec @lru_pvec.
- *
- * This is the same as mm/filemap.c::__grab_cache_page(), except that @nr_pages
- * are obtained at once instead of just one page and that 0 is returned on
- * success and -errno on error.
+ * If a page is newly created, add it to lru list
  *
  * Note, the page locks are obtained in ascending page index order.
  */
 static inline int __ntfs_grab_cache_pages(struct address_space *mapping,
 		pgoff_t index, const unsigned nr_pages, struct page **pages,
-		struct page **cached_page, struct pagevec *lru_pvec)
+		struct page **cached_page)
 {
 	int err, nr;
 
@@ -426,7 +421,7 @@ static inline int __ntfs_grab_cache_pages(struct address_space *mapping,
 					goto err_out;
 				}
 			}
-			err = add_to_page_cache(*cached_page, mapping, index,
+			err = add_to_page_cache_lru(*cached_page, mapping, index,
 					GFP_KERNEL);
 			if (unlikely(err)) {
 				if (err == -EEXIST)
@@ -434,9 +429,6 @@ static inline int __ntfs_grab_cache_pages(struct address_space *mapping,
 				goto err_out;
 			}
 			pages[nr] = *cached_page;
-			page_cache_get(*cached_page);
-			if (unlikely(!pagevec_add(lru_pvec, *cached_page)))
-				__pagevec_lru_add_file(lru_pvec);
 			*cached_page = NULL;
 		}
 		index++;
@@ -1796,7 +1788,6 @@ static ssize_t ntfs_file_buffered_write(struct kiocb *iocb,
 	ssize_t status, written;
 	unsigned nr_pages;
 	int err;
-	struct pagevec lru_pvec;
 
 	ntfs_debug("Entering for i_ino 0x%lx, attribute type 0x%x, "
 			"pos 0x%llx, count 0x%lx.",
@@ -1908,7 +1899,6 @@ static ssize_t ntfs_file_buffered_write(struct kiocb *iocb,
 			}
 		}
 	}
-	pagevec_init(&lru_pvec, 0);
 	written = 0;
 	/*
 	 * If the write starts beyond the initialized size, extend it up to the
@@ -2007,7 +1997,7 @@ static ssize_t ntfs_file_buffered_write(struct kiocb *iocb,
 			ntfs_fault_in_pages_readable_iovec(iov, iov_ofs, bytes);
 		/* Get and lock @do_pages starting at index @start_idx. */
 		status = __ntfs_grab_cache_pages(mapping, start_idx, do_pages,
-				pages, &cached_page, &lru_pvec);
+				pages, &cached_page);
 		if (unlikely(status))
 			break;
 		/*
@@ -2072,7 +2062,6 @@ err_out:
 	*ppos = pos;
 	if (cached_page)
 		page_cache_release(cached_page);
-	pagevec_lru_add_file(&lru_pvec);
 	ntfs_debug("Done.  Returning %s (written 0x%lx, status %li).",
 			written ? "written" : "status", (unsigned long)written,
 			(long)status);

From fc62f2f19edf46c9bdbd1a54725b56b18c43e94f Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 24 May 2010 14:33:08 -0700
Subject: [PATCH 3050/3638] kernel.h: add pr_warn for symmetry to dev_warn,
 netdev_warn

The current logging macros are
pr_<level>, dev_<level>, netdev_<level>, and netif_<level>.
pr_ uses warning, the other use warn.

Standardize these logging macros a bit more by adding pr_warn and
pr_warn_ratelimited.

Right now, there are:

$ for level in emerg alert crit err warn warning notice info ; do \
    for prefix in pr dev netdev netif ; do \
      echo -n "${prefix}_${level}:	`git grep -w "${prefix}_${level}" | wc -l`	" ; \
    done ; \
    echo ; \
  done
pr_emerg: 	45	dev_emerg: 	4	netdev_emerg: 	1	netif_emerg: 	4
pr_alert: 	24	dev_alert: 	36	netdev_alert: 	1	netif_alert: 	6
pr_crit: 	24	dev_crit: 	22	netdev_crit: 	1	netif_crit: 	4
pr_err:  	2013	dev_err: 	8467	netdev_err: 	267	netif_err: 	240
pr_warn: 	0	dev_warn: 	1818	netdev_warn: 	126	netif_warn: 	23
pr_warning: 	773	dev_warning: 	0	netdev_warning:	0	netif_warning: 	0
pr_notice: 	148	dev_notice: 	111	netdev_notice: 	9	netif_notice: 	3
pr_info: 	1717	dev_info: 	3007	netdev_info: 	101	netif_info: 	85

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/kernel.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index a2e7c32e17e..ea8490d7020 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -389,6 +389,7 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_warning(fmt, ...) \
         printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warn pr_warning
 #define pr_notice(fmt, ...) \
         printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_info(fmt, ...) \
@@ -447,6 +448,7 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
 	printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_warning_ratelimited(fmt, ...) \
 	printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warn_ratelimited pr_warning_ratelimited
 #define pr_notice_ratelimited(fmt, ...) \
 	printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_info_ratelimited(fmt, ...) \

From 37682177af68478fa83429b735fa16913c2fbb2b Mon Sep 17 00:00:00 2001
From: Peter Fritzsche <peter.fritzsche@gmx.de>
Date: Mon, 24 May 2010 14:33:09 -0700
Subject: [PATCH 3051/3638] asm-generic: don't warn that atomic_t is only 24
 bit

32-bit Sparc used to only allow usage of 24-bit of it's atomic_t type.
This was corrected with linux 2.6.3 when Keith M Wesolowski changed the
implementation to use the parisc approach of having an array of spinlocks
to protect the atomic_t.

These warnings were also removed from the sparc implementation when the
new implementation was merged in BKrev:402e4949VThdc6D3iaosSFUgabMfvw, but
the warning still remained in some other places without any 24-bit-only
atomic_t implementation inside the kernel.

We should remove these warnings to allow users to rely on the full 32-bit
range of atomic_t.

Signed-off-by: Peter Fritzsche <peter.fritzsche@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/asm-generic/atomic.h | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index c33749f95b3..058129e9b04 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -30,8 +30,7 @@
  * atomic_read - read atomic variable
  * @v: pointer of type atomic_t
  *
- * Atomically reads the value of @v.  Note that the guaranteed
- * useful range of an atomic_t is only 24 bits.
+ * Atomically reads the value of @v.
  */
 #define atomic_read(v)	(*(volatile int *)&(v)->counter)
 
@@ -40,8 +39,7 @@
  * @v: pointer of type atomic_t
  * @i: required value
  *
- * Atomically sets the value of @v to @i.  Note that the guaranteed
- * useful range of an atomic_t is only 24 bits.
+ * Atomically sets the value of @v to @i.
  */
 #define atomic_set(v, i) (((v)->counter) = (i))
 
@@ -53,7 +51,6 @@
  * @v: pointer of type atomic_t
  *
  * Atomically adds @i to @v and returns the result
- * Note that the guaranteed useful range of an atomic_t is only 24 bits.
  */
 static inline int atomic_add_return(int i, atomic_t *v)
 {
@@ -75,7 +72,6 @@ static inline int atomic_add_return(int i, atomic_t *v)
  * @v: pointer of type atomic_t
  *
  * Atomically subtracts @i from @v and returns the result
- * Note that the guaranteed useful range of an atomic_t is only 24 bits.
  */
 static inline int atomic_sub_return(int i, atomic_t *v)
 {

From 6c5e303afdf2910e58aeda56c10506342545a5af Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Mon, 24 May 2010 14:33:10 -0700
Subject: [PATCH 3052/3638] include/asm-generic/kmap_types.h: add helpful
 reminder

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/asm-generic/kmap_types.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h
index 97e807c8c81..0232ccb76f2 100644
--- a/include/asm-generic/kmap_types.h
+++ b/include/asm-generic/kmap_types.h
@@ -29,6 +29,9 @@ KMAP_D(16)	KM_IRQ_PTE,
 KMAP_D(17)	KM_NMI,
 KMAP_D(18)	KM_NMI_PTE,
 KMAP_D(19)	KM_KDB,
+/*
+ * Remember to update debug_kmap_atomic() when adding new kmap types!
+ */
 KMAP_D(20)	KM_TYPE_NR
 };
 

From fa1f68db6ca7ebb6fc4487ac215bffba06c01c28 Mon Sep 17 00:00:00 2001
From: Samu Onkalo <samu.p.onkalo@nokia.com>
Date: Mon, 24 May 2010 14:33:10 -0700
Subject: [PATCH 3053/3638] drivers: misc: pass miscdevice pointer via file
 private data

For misc devices, inode->i_cdev doesn't point to the device drivers own
data.  Link between file operations and device driver internal data is
lost.  Pass pointer to misc device struct via file private data for driver
open function use.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/misc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 92ab03d2829..cd650ca8c67 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -144,6 +144,7 @@ static int misc_open(struct inode * inode, struct file * file)
 	old_fops = file->f_op;
 	file->f_op = new_fops;
 	if (file->f_op->open) {
+		file->private_data = c;
 		err=file->f_op->open(inode,file);
 		if (err) {
 			fops_put(file->f_op);

From d8521fcc5e0ad3e79bbc4231bb20a6cdc2b50164 Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Mon, 24 May 2010 14:33:11 -0700
Subject: [PATCH 3054/3638] printk_ratelimited(): fix uninitialized spinlock

ratelimit_state initialization of printk_ratelimited() seems broken.  This
fixes it by using DEFINE_RATELIMIT_STATE() to initialize spinlock
properly.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/kernel.h | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index ea8490d7020..05f332afc9e 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -424,14 +424,13 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
  * no local ratelimit_state used in the !PRINTK case
  */
 #ifdef CONFIG_PRINTK
-#define printk_ratelimited(fmt, ...)  ({		\
-	static struct ratelimit_state _rs = {		\
-		.interval = DEFAULT_RATELIMIT_INTERVAL, \
-		.burst = DEFAULT_RATELIMIT_BURST,       \
-	};                                              \
-							\
-	if (__ratelimit(&_rs))                          \
-		printk(fmt, ##__VA_ARGS__);		\
+#define printk_ratelimited(fmt, ...)  ({				\
+	static DEFINE_RATELIMIT_STATE(_rs,				\
+				      DEFAULT_RATELIMIT_INTERVAL,	\
+				      DEFAULT_RATELIMIT_BURST);		\
+									\
+	if (__ratelimit(&_rs))						\
+		printk(fmt, ##__VA_ARGS__);				\
 })
 #else
 /* No effect, but we still get type checking even in the !PRINTK case: */

From f40c396a9ab04eae526990e2b2cef875b424ed4e Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Mon, 24 May 2010 14:33:11 -0700
Subject: [PATCH 3055/3638] ratelimit: add ratelimit_state_init()

For now, all users of ratelimit_state allocates it statically, so
DEFINE_RATELIMIT_STATE() is enough.  But, I want to use ratelimit_state
for fs, i.e.  per super_block to suppress too many error reports.

So, this adds ratelimit_state_init() to initialize ratelimite_state
which is dynamically allocated, instead of opencoding.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/ratelimit.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
index 668cf1bef03..8f69d09a41a 100644
--- a/include/linux/ratelimit.h
+++ b/include/linux/ratelimit.h
@@ -2,7 +2,7 @@
 #define _LINUX_RATELIMIT_H
 
 #include <linux/param.h>
-#include <linux/spinlock_types.h>
+#include <linux/spinlock.h>
 
 #define DEFAULT_RATELIMIT_INTERVAL	(5 * HZ)
 #define DEFAULT_RATELIMIT_BURST		10
@@ -25,6 +25,17 @@ struct ratelimit_state {
 		.burst		= burst_init,				\
 	}
 
+static inline void ratelimit_state_init(struct ratelimit_state *rs,
+					int interval, int burst)
+{
+	spin_lock_init(&rs->lock);
+	rs->interval = interval;
+	rs->burst = burst;
+	rs->printed = 0;
+	rs->missed = 0;
+	rs->begin = 0;
+}
+
 extern int ___ratelimit(struct ratelimit_state *rs, const char *func);
 #define __ratelimit(state) ___ratelimit(state, __func__)
 

From aaa04b4875f30659a0eb429e0e5203ae7fb7b18e Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Mon, 24 May 2010 14:33:12 -0700
Subject: [PATCH 3056/3638] fatfs: ratelimit corruption report

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/fat/cache.c | 13 +++++++------
 fs/fat/fat.h   | 12 ++++++++++--
 fs/fat/inode.c |  2 ++
 fs/fat/misc.c  | 22 ++++++++++++----------
 4 files changed, 31 insertions(+), 18 deletions(-)

diff --git a/fs/fat/cache.c b/fs/fat/cache.c
index 113f0a1e565..ae8200f84e3 100644
--- a/fs/fat/cache.c
+++ b/fs/fat/cache.c
@@ -242,9 +242,10 @@ int fat_get_cluster(struct inode *inode, int cluster, int *fclus, int *dclus)
 	while (*fclus < cluster) {
 		/* prevent the infinite loop of cluster chain */
 		if (*fclus > limit) {
-			fat_fs_error(sb, "%s: detected the cluster chain loop"
-				     " (i_pos %lld)", __func__,
-				     MSDOS_I(inode)->i_pos);
+			fat_fs_error_ratelimit(sb,
+					"%s: detected the cluster chain loop"
+					" (i_pos %lld)", __func__,
+					MSDOS_I(inode)->i_pos);
 			nr = -EIO;
 			goto out;
 		}
@@ -253,9 +254,9 @@ int fat_get_cluster(struct inode *inode, int cluster, int *fclus, int *dclus)
 		if (nr < 0)
 			goto out;
 		else if (nr == FAT_ENT_FREE) {
-			fat_fs_error(sb, "%s: invalid cluster chain"
-				     " (i_pos %lld)", __func__,
-				     MSDOS_I(inode)->i_pos);
+			fat_fs_error_ratelimit(sb, "%s: invalid cluster chain"
+					       " (i_pos %lld)", __func__,
+					       MSDOS_I(inode)->i_pos);
 			nr = -EIO;
 			goto out;
 		} else if (nr == FAT_ENT_EOF) {
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index eb821ee1a33..53dba57b49a 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -6,6 +6,7 @@
 #include <linux/nls.h>
 #include <linux/fs.h>
 #include <linux/mutex.h>
+#include <linux/ratelimit.h>
 #include <linux/msdos_fs.h>
 
 /*
@@ -82,6 +83,8 @@ struct msdos_sb_info {
 	struct fatent_operations *fatent_ops;
 	struct inode *fat_inode;
 
+	struct ratelimit_state ratelimit;
+
 	spinlock_t inode_hash_lock;
 	struct hlist_head inode_hashtable[FAT_HASH_SIZE];
 };
@@ -322,8 +325,13 @@ extern int fat_fill_super(struct super_block *sb, void *data, int silent,
 extern int fat_flush_inodes(struct super_block *sb, struct inode *i1,
 		            struct inode *i2);
 /* fat/misc.c */
-extern void fat_fs_error(struct super_block *s, const char *fmt, ...)
-	__attribute__ ((format (printf, 2, 3))) __cold;
+extern void
+__fat_fs_error(struct super_block *s, int report, const char *fmt, ...)
+	__attribute__ ((format (printf, 3, 4))) __cold;
+#define fat_fs_error(s, fmt, args...)		\
+	__fat_fs_error(s, 1, fmt , ## args)
+#define fat_fs_error_ratelimit(s, fmt, args...) \
+	__fat_fs_error(s, __ratelimit(&MSDOS_SB(s)->ratelimit), fmt , ## args)
 extern int fat_clusters_flush(struct super_block *sb);
 extern int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster);
 extern void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec *ts,
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index c611818893b..ed33904926e 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1250,6 +1250,8 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
 	sb->s_op = &fat_sops;
 	sb->s_export_op = &fat_export_ops;
 	sbi->dir_ops = fs_dir_inode_ops;
+	ratelimit_state_init(&sbi->ratelimit, DEFAULT_RATELIMIT_INTERVAL,
+			     DEFAULT_RATELIMIT_BURST);
 
 	error = parse_options(data, isvfat, silent, &debug, &sbi->options);
 	if (error)
diff --git a/fs/fat/misc.c b/fs/fat/misc.c
index d3da05f2646..1fa23f6ffba 100644
--- a/fs/fat/misc.c
+++ b/fs/fat/misc.c
@@ -20,27 +20,29 @@
  * In case the file system is remounted read-only, it can be made writable
  * again by remounting it.
  */
-void fat_fs_error(struct super_block *s, const char *fmt, ...)
+void __fat_fs_error(struct super_block *s, int report, const char *fmt, ...)
 {
 	struct fat_mount_options *opts = &MSDOS_SB(s)->options;
 	va_list args;
 
-	printk(KERN_ERR "FAT: Filesystem error (dev %s)\n", s->s_id);
+	if (report) {
+		printk(KERN_ERR "FAT: Filesystem error (dev %s)\n", s->s_id);
 
-	printk(KERN_ERR "    ");
-	va_start(args, fmt);
-	vprintk(fmt, args);
-	va_end(args);
-	printk("\n");
+		printk(KERN_ERR "    ");
+		va_start(args, fmt);
+		vprintk(fmt, args);
+		va_end(args);
+		printk("\n");
+	}
 
 	if (opts->errors == FAT_ERRORS_PANIC)
-		panic("    FAT fs panic from previous error\n");
+		panic("FAT: fs panic from previous error\n");
 	else if (opts->errors == FAT_ERRORS_RO && !(s->s_flags & MS_RDONLY)) {
 		s->s_flags |= MS_RDONLY;
-		printk(KERN_ERR "    File system has been set read-only\n");
+		printk(KERN_ERR "FAT: Filesystem has been set read-only\n");
 	}
 }
-EXPORT_SYMBOL_GPL(fat_fs_error);
+EXPORT_SYMBOL_GPL(__fat_fs_error);
 
 /* Flushes the number of free clusters on FAT32 */
 /* XXX: Need to write one per FSINFO block.  Currently only writes 1 */

From 7d52669b14e36f8365070324be009486d387ad00 Mon Sep 17 00:00:00 2001
From: Wenji Huang <wenji.huang@oracle.com>
Date: Mon, 24 May 2010 14:33:12 -0700
Subject: [PATCH 3057/3638] module: remove duplicate declaration of
 __ksymtab_gpl_future

Minor cleanup on duplicate __{start/stop}__ksymtab_gpl_future.

Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/module.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index a8014bfb5a4..625985e70e9 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -180,8 +180,6 @@ extern const struct kernel_symbol __start___ksymtab_gpl[];
 extern const struct kernel_symbol __stop___ksymtab_gpl[];
 extern const struct kernel_symbol __start___ksymtab_gpl_future[];
 extern const struct kernel_symbol __stop___ksymtab_gpl_future[];
-extern const struct kernel_symbol __start___ksymtab_gpl_future[];
-extern const struct kernel_symbol __stop___ksymtab_gpl_future[];
 extern const unsigned long __start___kcrctab[];
 extern const unsigned long __start___kcrctab_gpl[];
 extern const unsigned long __start___kcrctab_gpl_future[];

From 0993dbedf2cc2f5fd0701fa3b27afdd303536b87 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Mon, 24 May 2010 14:33:13 -0700
Subject: [PATCH 3058/3638] ad525x_dpot: simplify duplicated sysfs defines

Macro away the duplication to make maintenance easier.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/ad525x_dpot.c | 236 +++++++------------------------------
 1 file changed, 42 insertions(+), 194 deletions(-)

diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index 30a59f2bacd..e6b274b5dbd 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -158,175 +158,45 @@ static ssize_t sysfs_do_cmd(struct device *dev,
 
 /* ------------------------------------------------------------------------- */
 
-static ssize_t show_rdac0(struct device *dev,
-			  struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf, AD525X_I2C_RDAC | AD525X_RDAC0);
+#define DPOT_DEVICE_SHOW(_name, _reg) static ssize_t \
+show_##_name(struct device *dev, \
+			  struct device_attribute *attr, char *buf) \
+{ \
+	return sysfs_show_reg(dev, attr, buf, _reg); \
 }
 
-static ssize_t set_rdac0(struct device *dev,
-			 struct device_attribute *attr,
-			 const char *buf, size_t count)
-{
-	return sysfs_set_reg(dev, attr, buf, count,
-			     AD525X_I2C_RDAC | AD525X_RDAC0);
+#define DPOT_DEVICE_SET(_name, _reg) static ssize_t \
+set_##_name(struct device *dev, \
+			 struct device_attribute *attr, \
+			 const char *buf, size_t count) \
+{ \
+	return sysfs_set_reg(dev, attr, buf, count, _reg); \
 }
 
-static DEVICE_ATTR(rdac0, S_IWUSR | S_IRUGO, show_rdac0, set_rdac0);
+#define DPOT_DEVICE_SHOW_SET(name, reg) \
+DPOT_DEVICE_SHOW(name, reg) \
+DPOT_DEVICE_SET(name, reg) \
+static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, set_##name);
 
-static ssize_t show_eeprom0(struct device *dev,
-			    struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf, AD525X_I2C_EEPROM | AD525X_RDAC0);
-}
+#define DPOT_DEVICE_SHOW_ONLY(name, reg) \
+DPOT_DEVICE_SHOW(name, reg) \
+static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, NULL);
 
-static ssize_t set_eeprom0(struct device *dev,
-			   struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	return sysfs_set_reg(dev, attr, buf, count,
-			     AD525X_I2C_EEPROM | AD525X_RDAC0);
-}
+DPOT_DEVICE_SHOW_SET(rdac0, AD525X_I2C_RDAC | AD525X_RDAC0);
+DPOT_DEVICE_SHOW_SET(eeprom0, AD525X_I2C_EEPROM | AD525X_RDAC0);
+DPOT_DEVICE_SHOW_ONLY(tolerance0, AD525X_I2C_EEPROM | AD525X_TOL_RDAC0);
 
-static DEVICE_ATTR(eeprom0, S_IWUSR | S_IRUGO, show_eeprom0, set_eeprom0);
+DPOT_DEVICE_SHOW_SET(rdac1, AD525X_I2C_RDAC | AD525X_RDAC1);
+DPOT_DEVICE_SHOW_SET(eeprom1, AD525X_I2C_EEPROM | AD525X_RDAC1);
+DPOT_DEVICE_SHOW_ONLY(tolerance1, AD525X_I2C_EEPROM | AD525X_TOL_RDAC1);
 
-static ssize_t show_tolerance0(struct device *dev,
-			       struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf,
-			      AD525X_I2C_EEPROM | AD525X_TOL_RDAC0);
-}
+DPOT_DEVICE_SHOW_SET(rdac2, AD525X_I2C_RDAC | AD525X_RDAC2);
+DPOT_DEVICE_SHOW_SET(eeprom2, AD525X_I2C_EEPROM | AD525X_RDAC2);
+DPOT_DEVICE_SHOW_ONLY(tolerance2, AD525X_I2C_EEPROM | AD525X_TOL_RDAC2);
 
-static DEVICE_ATTR(tolerance0, S_IRUGO, show_tolerance0, NULL);
-
-/* ------------------------------------------------------------------------- */
-
-static ssize_t show_rdac1(struct device *dev,
-			  struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf, AD525X_I2C_RDAC | AD525X_RDAC1);
-}
-
-static ssize_t set_rdac1(struct device *dev,
-			 struct device_attribute *attr,
-			 const char *buf, size_t count)
-{
-	return sysfs_set_reg(dev, attr, buf, count,
-			     AD525X_I2C_RDAC | AD525X_RDAC1);
-}
-
-static DEVICE_ATTR(rdac1, S_IWUSR | S_IRUGO, show_rdac1, set_rdac1);
-
-static ssize_t show_eeprom1(struct device *dev,
-			    struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf, AD525X_I2C_EEPROM | AD525X_RDAC1);
-}
-
-static ssize_t set_eeprom1(struct device *dev,
-			   struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	return sysfs_set_reg(dev, attr, buf, count,
-			     AD525X_I2C_EEPROM | AD525X_RDAC1);
-}
-
-static DEVICE_ATTR(eeprom1, S_IWUSR | S_IRUGO, show_eeprom1, set_eeprom1);
-
-static ssize_t show_tolerance1(struct device *dev,
-			       struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf,
-			      AD525X_I2C_EEPROM | AD525X_TOL_RDAC1);
-}
-
-static DEVICE_ATTR(tolerance1, S_IRUGO, show_tolerance1, NULL);
-
-/* ------------------------------------------------------------------------- */
-
-static ssize_t show_rdac2(struct device *dev,
-			  struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf, AD525X_I2C_RDAC | AD525X_RDAC2);
-}
-
-static ssize_t set_rdac2(struct device *dev,
-			 struct device_attribute *attr,
-			 const char *buf, size_t count)
-{
-	return sysfs_set_reg(dev, attr, buf, count,
-			     AD525X_I2C_RDAC | AD525X_RDAC2);
-}
-
-static DEVICE_ATTR(rdac2, S_IWUSR | S_IRUGO, show_rdac2, set_rdac2);
-
-static ssize_t show_eeprom2(struct device *dev,
-			    struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf, AD525X_I2C_EEPROM | AD525X_RDAC2);
-}
-
-static ssize_t set_eeprom2(struct device *dev,
-			   struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	return sysfs_set_reg(dev, attr, buf, count,
-			     AD525X_I2C_EEPROM | AD525X_RDAC2);
-}
-
-static DEVICE_ATTR(eeprom2, S_IWUSR | S_IRUGO, show_eeprom2, set_eeprom2);
-
-static ssize_t show_tolerance2(struct device *dev,
-			       struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf,
-			      AD525X_I2C_EEPROM | AD525X_TOL_RDAC2);
-}
-
-static DEVICE_ATTR(tolerance2, S_IRUGO, show_tolerance2, NULL);
-
-/* ------------------------------------------------------------------------- */
-
-static ssize_t show_rdac3(struct device *dev,
-			  struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf, AD525X_I2C_RDAC | AD525X_RDAC3);
-}
-
-static ssize_t set_rdac3(struct device *dev,
-			 struct device_attribute *attr,
-			 const char *buf, size_t count)
-{
-	return sysfs_set_reg(dev, attr, buf, count,
-			     AD525X_I2C_RDAC | AD525X_RDAC3);
-}
-
-static DEVICE_ATTR(rdac3, S_IWUSR | S_IRUGO, show_rdac3, set_rdac3);
-
-static ssize_t show_eeprom3(struct device *dev,
-			    struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf, AD525X_I2C_EEPROM | AD525X_RDAC3);
-}
-
-static ssize_t set_eeprom3(struct device *dev,
-			   struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	return sysfs_set_reg(dev, attr, buf, count,
-			     AD525X_I2C_EEPROM | AD525X_RDAC3);
-}
-
-static DEVICE_ATTR(eeprom3, S_IWUSR | S_IRUGO, show_eeprom3, set_eeprom3);
-
-static ssize_t show_tolerance3(struct device *dev,
-			       struct device_attribute *attr, char *buf)
-{
-	return sysfs_show_reg(dev, attr, buf,
-			      AD525X_I2C_EEPROM | AD525X_TOL_RDAC3);
-}
-
-static DEVICE_ATTR(tolerance3, S_IRUGO, show_tolerance3, NULL);
+DPOT_DEVICE_SHOW_SET(rdac3, AD525X_I2C_RDAC | AD525X_RDAC3);
+DPOT_DEVICE_SHOW_SET(eeprom3, AD525X_I2C_EEPROM | AD525X_RDAC3);
+DPOT_DEVICE_SHOW_ONLY(tolerance3, AD525X_I2C_EEPROM | AD525X_TOL_RDAC3);
 
 static struct attribute *ad525x_attributes_wipers[4][4] = {
 	{
@@ -361,41 +231,19 @@ static const struct attribute_group ad525x_group_wipers[] = {
 
 /* ------------------------------------------------------------------------- */
 
-static ssize_t set_inc_all(struct device *dev,
-			   struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	return sysfs_do_cmd(dev, attr, buf, count, AD525X_INC_ALL);
-}
+#define DPOT_DEVICE_DO_CMD(_name, _cmd) static ssize_t \
+set_##_name(struct device *dev, \
+			 struct device_attribute *attr, \
+			 const char *buf, size_t count) \
+{ \
+	return sysfs_do_cmd(dev, attr, buf, count, _cmd); \
+} \
+static DEVICE_ATTR(_name, S_IWUSR | S_IRUGO, NULL, set_##_name);
 
-static DEVICE_ATTR(inc_all, S_IWUSR, NULL, set_inc_all);
-
-static ssize_t set_dec_all(struct device *dev,
-			   struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	return sysfs_do_cmd(dev, attr, buf, count, AD525X_DEC_ALL);
-}
-
-static DEVICE_ATTR(dec_all, S_IWUSR, NULL, set_dec_all);
-
-static ssize_t set_inc_all_6db(struct device *dev,
-			       struct device_attribute *attr,
-			       const char *buf, size_t count)
-{
-	return sysfs_do_cmd(dev, attr, buf, count, AD525X_INC_ALL_6DB);
-}
-
-static DEVICE_ATTR(inc_all_6db, S_IWUSR, NULL, set_inc_all_6db);
-
-static ssize_t set_dec_all_6db(struct device *dev,
-			       struct device_attribute *attr,
-			       const char *buf, size_t count)
-{
-	return sysfs_do_cmd(dev, attr, buf, count, AD525X_DEC_ALL_6DB);
-}
-
-static DEVICE_ATTR(dec_all_6db, S_IWUSR, NULL, set_dec_all_6db);
+DPOT_DEVICE_DO_CMD(inc_all, AD525X_INC_ALL);
+DPOT_DEVICE_DO_CMD(dec_all, AD525X_DEC_ALL);
+DPOT_DEVICE_DO_CMD(inc_all_6db, AD525X_INC_ALL_6DB);
+DPOT_DEVICE_DO_CMD(dec_all_6db, AD525X_DEC_ALL_6DB);
 
 static struct attribute *ad525x_attributes_commands[] = {
 	&dev_attr_inc_all.attr,

From 0c53b9fbcca8870e4f4b248f4ed5fdadd43a01b6 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Mon, 24 May 2010 14:33:13 -0700
Subject: [PATCH 3059/3638] ad525x_dpot: extend write argument to 16bits

The possible output data is 16bits, not 8bits, so don't truncate it.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/ad525x_dpot.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index e6b274b5dbd..ce92088bf0b 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -75,7 +75,7 @@ enum dpot_devid {
 #define AD525X_INC_ALL		(AD525X_I2C_CMD | (0xB << 3))
 
 static s32 ad525x_read(struct i2c_client *client, u8 reg);
-static s32 ad525x_write(struct i2c_client *client, u8 reg, u8 value);
+static s32 ad525x_write(struct i2c_client *client, u8 reg, u16 value);
 
 /*
  * Client data (each client gets its own)
@@ -296,7 +296,7 @@ static s32 ad525x_read(struct i2c_client *client, u8 reg)
  * A negative return value indicates an error occurred while reading
  * the register.
  */
-static s32 ad525x_write(struct i2c_client *client, u8 reg, u8 value)
+static s32 ad525x_write(struct i2c_client *client, u8 reg, u16 value)
 {
 	struct dpot_data *data = i2c_get_clientdata(client);
 

From 6c536e4ce8edd61fdc4ab68e19ae164a54fc958f Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Mon, 24 May 2010 14:33:14 -0700
Subject: [PATCH 3060/3638] ad525x_dpot: add support for SPI parts

Split the bus logic out into separate files so that we can handle I2C and
SPI busses independently.  The new SPI bus logic brings in support for a
lot more parts:

	AD5160, AD5161, AD5162, AD5165, AD5200, AD5201, AD5203,
	AD5204, AD5206, AD5207, AD5231, AD5232, AD5233, AD5235,
	AD5260, AD5262, AD5263, AD5290, AD5291, AD5292, AD5293,
	AD7376, AD8400, AD8402, AD8403, ADN2850

[randy.dunlap@oracle.com: fix ad525X_dpot build]
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/Kconfig           |  30 +-
 drivers/misc/Makefile          |   2 +
 drivers/misc/ad525x_dpot-i2c.c | 119 +++++++
 drivers/misc/ad525x_dpot-spi.c | 172 +++++++++
 drivers/misc/ad525x_dpot.c     | 619 ++++++++++++++++-----------------
 drivers/misc/ad525x_dpot.h     | 173 +++++++++
 6 files changed, 801 insertions(+), 314 deletions(-)
 create mode 100644 drivers/misc/ad525x_dpot-i2c.c
 create mode 100644 drivers/misc/ad525x_dpot-spi.c
 create mode 100644 drivers/misc/ad525x_dpot.h

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 0d0d625fece..69e019e7d69 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -14,11 +14,15 @@ menuconfig MISC_DEVICES
 if MISC_DEVICES
 
 config AD525X_DPOT
-	tristate "Analog Devices AD525x Digital Potentiometers"
-	depends on I2C && SYSFS
+	tristate "Analog Devices Digital Potentiometers"
+	depends on (I2C || SPI) && SYSFS
 	help
 	  If you say yes here, you get support for the Analog Devices
-	  AD5258, AD5259, AD5251, AD5252, AD5253, AD5254 and AD5255
+	  AD5258, AD5259, AD5251, AD5252, AD5253, AD5254, AD5255
+	  AD5160, AD5161, AD5162, AD5165, AD5200, AD5201, AD5203,
+	  AD5204, AD5206, AD5207, AD5231, AD5232, AD5233, AD5235,
+	  AD5260, AD5262, AD5263, AD5290, AD5291, AD5292, AD5293,
+	  AD7376, AD8400, AD8402, AD8403, ADN2850
 	  digital potentiometer chips.
 
 	  See Documentation/misc-devices/ad525x_dpot.txt for the
@@ -27,6 +31,26 @@ config AD525X_DPOT
 	  This driver can also be built as a module.  If so, the module
 	  will be called ad525x_dpot.
 
+config AD525X_DPOT_I2C
+	tristate "support I2C bus connection"
+	depends on AD525X_DPOT && I2C
+	help
+	  Say Y here if you have a digital potentiometers hooked to an I2C bus.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ad525x_dpot-i2c.
+
+config AD525X_DPOT_SPI
+	tristate "support SPI bus connection"
+	depends on AD525X_DPOT && SPI_MASTER
+	help
+	  Say Y here if you have a digital potentiometers hooked to an SPI bus.
+
+	  If unsure, say N (but it's safe to say "Y").
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ad525x_dpot-spi.
+
 config ATMEL_PWM
 	tristate "Atmel AT32/AT91 PWM support"
 	depends on AVR32 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index f12dc3e5440..6ed06a19474 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -4,6 +4,8 @@
 
 obj-$(CONFIG_IBM_ASM)		+= ibmasm/
 obj-$(CONFIG_AD525X_DPOT)	+= ad525x_dpot.o
+obj-$(CONFIG_AD525X_DPOT_I2C)	+= ad525x_dpot-i2c.o
+obj-$(CONFIG_AD525X_DPOT_SPI)	+= ad525x_dpot-spi.o
 obj-$(CONFIG_ATMEL_PWM)		+= atmel_pwm.o
 obj-$(CONFIG_ATMEL_SSC)		+= atmel-ssc.o
 obj-$(CONFIG_ATMEL_TCLIB)	+= atmel_tclib.o
diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c
new file mode 100644
index 00000000000..971e61d7f88
--- /dev/null
+++ b/drivers/misc/ad525x_dpot-i2c.c
@@ -0,0 +1,119 @@
+/*
+ * Driver for the Analog Devices digital potentiometers (I2C bus)
+ *
+ * Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+
+#include "ad525x_dpot.h"
+
+/* ------------------------------------------------------------------------- */
+/* I2C bus functions */
+static int write_d8(void *client, u8 val)
+{
+	return i2c_smbus_write_byte(client, val);
+}
+
+static int write_r8d8(void *client, u8 reg, u8 val)
+{
+	return i2c_smbus_write_byte_data(client, reg, val);
+}
+
+static int write_r8d16(void *client, u8 reg, u16 val)
+{
+	return i2c_smbus_write_word_data(client, reg, val);
+}
+
+static int read_d8(void *client)
+{
+	return i2c_smbus_read_byte(client);
+}
+
+static int read_r8d8(void *client, u8 reg)
+{
+	return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int read_r8d16(void *client, u8 reg)
+{
+	return i2c_smbus_read_word_data(client, reg);
+}
+
+static const struct ad_dpot_bus_ops bops = {
+	.read_d8	= read_d8,
+	.read_r8d8	= read_r8d8,
+	.read_r8d16	= read_r8d16,
+	.write_d8	= write_d8,
+	.write_r8d8	= write_r8d8,
+	.write_r8d16	= write_r8d16,
+};
+
+static int __devinit ad_dpot_i2c_probe(struct i2c_client *client,
+				      const struct i2c_device_id *id)
+{
+	struct ad_dpot_bus_data bdata = {
+		.client = client,
+		.bops = &bops,
+	};
+
+	struct ad_dpot_id dpot_id = {
+		.name = (char *) &id->name,
+		.devid = id->driver_data,
+	};
+
+	if (!i2c_check_functionality(client->adapter,
+				     I2C_FUNC_SMBUS_WORD_DATA)) {
+		dev_err(&client->dev, "SMBUS Word Data not Supported\n");
+		return -EIO;
+	}
+
+	return ad_dpot_probe(&client->dev, &bdata, &dpot_id);
+}
+
+static int __devexit ad_dpot_i2c_remove(struct i2c_client *client)
+{
+	return ad_dpot_remove(&client->dev);
+}
+
+static const struct i2c_device_id ad_dpot_id[] = {
+	{"ad5258", AD5258_ID},
+	{"ad5259", AD5259_ID},
+	{"ad5251", AD5251_ID},
+	{"ad5252", AD5252_ID},
+	{"ad5253", AD5253_ID},
+	{"ad5254", AD5254_ID},
+	{"ad5255", AD5255_ID},
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, ad_dpot_id);
+
+static struct i2c_driver ad_dpot_i2c_driver = {
+	.driver = {
+		.name	= "ad_dpot",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= ad_dpot_i2c_probe,
+	.remove		= __devexit_p(ad_dpot_i2c_remove),
+	.id_table	= ad_dpot_id,
+};
+
+static int __init ad_dpot_i2c_init(void)
+{
+	return i2c_add_driver(&ad_dpot_i2c_driver);
+}
+module_init(ad_dpot_i2c_init);
+
+static void __exit ad_dpot_i2c_exit(void)
+{
+	i2c_del_driver(&ad_dpot_i2c_driver);
+}
+module_exit(ad_dpot_i2c_exit);
+
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("digital potentiometer I2C bus driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("i2c:ad_dpot");
diff --git a/drivers/misc/ad525x_dpot-spi.c b/drivers/misc/ad525x_dpot-spi.c
new file mode 100644
index 00000000000..b8c6df9c843
--- /dev/null
+++ b/drivers/misc/ad525x_dpot-spi.c
@@ -0,0 +1,172 @@
+/*
+ * Driver for the Analog Devices digital potentiometers (SPI bus)
+ *
+ * Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/spi/spi.h>
+#include <linux/module.h>
+
+#include "ad525x_dpot.h"
+
+static const struct ad_dpot_id ad_dpot_spi_devlist[] = {
+	{.name = "ad5160", .devid = AD5160_ID},
+	{.name = "ad5161", .devid = AD5161_ID},
+	{.name = "ad5162", .devid = AD5162_ID},
+	{.name = "ad5165", .devid = AD5165_ID},
+	{.name = "ad5200", .devid = AD5200_ID},
+	{.name = "ad5201", .devid = AD5201_ID},
+	{.name = "ad5203", .devid = AD5203_ID},
+	{.name = "ad5204", .devid = AD5204_ID},
+	{.name = "ad5206", .devid = AD5206_ID},
+	{.name = "ad5207", .devid = AD5207_ID},
+	{.name = "ad5231", .devid = AD5231_ID},
+	{.name = "ad5232", .devid = AD5232_ID},
+	{.name = "ad5233", .devid = AD5233_ID},
+	{.name = "ad5235", .devid = AD5235_ID},
+	{.name = "ad5260", .devid = AD5260_ID},
+	{.name = "ad5262", .devid = AD5262_ID},
+	{.name = "ad5263", .devid = AD5263_ID},
+	{.name = "ad5290", .devid = AD5290_ID},
+	{.name = "ad5291", .devid = AD5291_ID},
+	{.name = "ad5292", .devid = AD5292_ID},
+	{.name = "ad5293", .devid = AD5293_ID},
+	{.name = "ad7376", .devid = AD7376_ID},
+	{.name = "ad8400", .devid = AD8400_ID},
+	{.name = "ad8402", .devid = AD8402_ID},
+	{.name = "ad8403", .devid = AD8403_ID},
+	{.name = "adn2850", .devid = ADN2850_ID},
+	{}
+};
+
+/* ------------------------------------------------------------------------- */
+
+/* SPI bus functions */
+static int write8(void *client, u8 val)
+{
+	u8 data = val;
+	return spi_write(client, &data, 1);
+}
+
+static int write16(void *client, u8 reg, u8 val)
+{
+	u8 data[2] = {reg, val};
+	return spi_write(client, data, 1);
+}
+
+static int write24(void *client, u8 reg, u16 val)
+{
+	u8 data[3] = {reg, val >> 8, val};
+	return spi_write(client, data, 1);
+}
+
+static int read8(void *client)
+{
+	int ret;
+	u8 data;
+	ret = spi_read(client, &data, 1);
+	if (ret < 0)
+		return ret;
+
+	return data;
+}
+
+static int read16(void *client, u8 reg)
+{
+	int ret;
+	u8 buf_rx[2];
+
+	write16(client, reg, 0);
+	ret = spi_read(client, buf_rx, 2);
+	if (ret < 0)
+		return ret;
+
+	return (buf_rx[0] << 8) |  buf_rx[1];
+}
+
+static int read24(void *client, u8 reg)
+{
+	int ret;
+	u8 buf_rx[3];
+
+	write24(client, reg, 0);
+	ret = spi_read(client, buf_rx, 3);
+	if (ret < 0)
+		return ret;
+
+	return (buf_rx[1] << 8) |  buf_rx[2];
+}
+
+static const struct ad_dpot_bus_ops bops = {
+	.read_d8	= read8,
+	.read_r8d8	= read16,
+	.read_r8d16	= read24,
+	.write_d8	= write8,
+	.write_r8d8	= write16,
+	.write_r8d16	= write24,
+};
+
+static const struct ad_dpot_id *dpot_match_id(const struct ad_dpot_id *id,
+						char *name)
+{
+	while (id->name && id->name[0]) {
+		if (strcmp(name, id->name) == 0)
+			return id;
+		id++;
+	}
+	return NULL;
+}
+
+static int __devinit ad_dpot_spi_probe(struct spi_device *spi)
+{
+	char *name = spi->dev.platform_data;
+	const struct ad_dpot_id *dpot_id;
+
+	struct ad_dpot_bus_data bdata = {
+		.client = spi,
+		.bops = &bops,
+	};
+
+	dpot_id = dpot_match_id(ad_dpot_spi_devlist, name);
+
+	if (dpot_id == NULL) {
+		dev_err(&spi->dev, "%s not in supported device list", name);
+		return -ENODEV;
+	}
+
+	return ad_dpot_probe(&spi->dev, &bdata, dpot_id);
+}
+
+static int __devexit ad_dpot_spi_remove(struct spi_device *spi)
+{
+	return ad_dpot_remove(&spi->dev);
+}
+
+static struct spi_driver ad_dpot_spi_driver = {
+	.driver = {
+		.name	= "ad_dpot",
+		.bus	= &spi_bus_type,
+		.owner	= THIS_MODULE,
+	},
+	.probe		= ad_dpot_spi_probe,
+	.remove		= __devexit_p(ad_dpot_spi_remove),
+};
+
+static int __init ad_dpot_spi_init(void)
+{
+	return spi_register_driver(&ad_dpot_spi_driver);
+}
+module_init(ad_dpot_spi_init);
+
+static void __exit ad_dpot_spi_exit(void)
+{
+	spi_unregister_driver(&ad_dpot_spi_driver);
+}
+module_exit(ad_dpot_spi_exit);
+
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("digital potentiometer SPI bus driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("spi:ad_dpot");
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index ce92088bf0b..a41c2de0eae 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -1,6 +1,6 @@
 /*
- * ad525x_dpot: Driver for the Analog Devices AD525x digital potentiometers
- * Copyright (c) 2009 Analog Devices, Inc.
+ * ad525x_dpot: Driver for the Analog Devices digital potentiometers
+ * Copyright (c) 2009-2010 Analog Devices, Inc.
  * Author: Michael Hennerich <hennerich@blackfin.uclinux.org>
  *
  * DEVID		#Wipers		#Positions 	Resistor Options (kOhm)
@@ -11,6 +11,32 @@
  * AD5255		3		512		25, 250
  * AD5253		4		64		1, 10, 50, 100
  * AD5254		4		256		1, 10, 50, 100
+ * AD5160		1		256		5, 10, 50, 100
+ * AD5161		1		256		5, 10, 50, 100
+ * AD5162		2		256		2.5, 10, 50, 100
+ * AD5165		1		256		100
+ * AD5200		1		256		10, 50
+ * AD5201		1		33		10, 50
+ * AD5203		4		64		10, 100
+ * AD5204		4		256		10, 50, 100
+ * AD5206		6		256		10, 50, 100
+ * AD5207		2		256		10, 50, 100
+ * AD5231		1		1024		10, 50, 100
+ * AD5232		2		256		10, 50, 100
+ * AD5233		4		64		10, 50, 100
+ * AD5235		2		1024		25, 250
+ * AD5260		1		256		20, 50, 200
+ * AD5262		2		256		20, 50, 200
+ * AD5263		4		256		20, 50, 200
+ * AD5290		1		256		10, 50, 100
+ * AD5291		1		256		20
+ * AD5292		1		1024		20
+ * AD5293		1		1024		20
+ * AD7376		1		128		10, 50, 100, 1M
+ * AD8400		1		256		1, 10, 50, 100
+ * AD8402		2		256		1, 10, 50, 100
+ * AD8403		4		256		1, 10, 50, 100
+ * ADN2850		3		512		25, 250
  *
  * See Documentation/misc-devices/ad525x_dpot.txt for more info.
  *
@@ -28,77 +54,182 @@
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/i2c.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 
-#define DRIVER_NAME			"ad525x_dpot"
-#define DRIVER_VERSION			"0.1"
+#define DRIVER_VERSION			"0.2"
 
-enum dpot_devid {
-	AD5258_ID,
-	AD5259_ID,
-	AD5251_ID,
-	AD5252_ID,
-	AD5253_ID,
-	AD5254_ID,
-	AD5255_ID,
-};
-
-#define AD5258_MAX_POSITION		64
-#define AD5259_MAX_POSITION		256
-#define AD5251_MAX_POSITION		64
-#define AD5252_MAX_POSITION		256
-#define AD5253_MAX_POSITION		64
-#define AD5254_MAX_POSITION		256
-#define AD5255_MAX_POSITION		512
-
-#define AD525X_RDAC0		0
-#define AD525X_RDAC1		1
-#define AD525X_RDAC2		2
-#define AD525X_RDAC3		3
-
-#define AD525X_REG_TOL		0x18
-#define AD525X_TOL_RDAC0	(AD525X_REG_TOL | AD525X_RDAC0)
-#define AD525X_TOL_RDAC1	(AD525X_REG_TOL | AD525X_RDAC1)
-#define AD525X_TOL_RDAC2	(AD525X_REG_TOL | AD525X_RDAC2)
-#define AD525X_TOL_RDAC3	(AD525X_REG_TOL | AD525X_RDAC3)
-
-/* RDAC-to-EEPROM Interface Commands */
-#define AD525X_I2C_RDAC		(0x00 << 5)
-#define AD525X_I2C_EEPROM	(0x01 << 5)
-#define AD525X_I2C_CMD		(0x80)
-
-#define AD525X_DEC_ALL_6DB	(AD525X_I2C_CMD | (0x4 << 3))
-#define AD525X_INC_ALL_6DB	(AD525X_I2C_CMD | (0x9 << 3))
-#define AD525X_DEC_ALL		(AD525X_I2C_CMD | (0x6 << 3))
-#define AD525X_INC_ALL		(AD525X_I2C_CMD | (0xB << 3))
-
-static s32 ad525x_read(struct i2c_client *client, u8 reg);
-static s32 ad525x_write(struct i2c_client *client, u8 reg, u16 value);
+#include "ad525x_dpot.h"
 
 /*
  * Client data (each client gets its own)
  */
 
 struct dpot_data {
+	struct ad_dpot_bus_data	bdata;
 	struct mutex update_lock;
 	unsigned rdac_mask;
 	unsigned max_pos;
-	unsigned devid;
+	unsigned long devid;
+	unsigned uid;
+	unsigned feat;
+	unsigned wipers;
+	u16 rdac_cache[8];
 };
 
+static inline int dpot_read_d8(struct dpot_data *dpot)
+{
+	return dpot->bdata.bops->read_d8(dpot->bdata.client);
+}
+
+static inline int dpot_read_r8d8(struct dpot_data *dpot, u8 reg)
+{
+	return dpot->bdata.bops->read_r8d8(dpot->bdata.client, reg);
+}
+
+static inline int dpot_read_r8d16(struct dpot_data *dpot, u8 reg)
+{
+	return dpot->bdata.bops->read_r8d16(dpot->bdata.client, reg);
+}
+
+static inline int dpot_write_d8(struct dpot_data *dpot, u8 val)
+{
+	return dpot->bdata.bops->write_d8(dpot->bdata.client, val);
+}
+
+static inline int dpot_write_r8d8(struct dpot_data *dpot, u8 reg, u16 val)
+{
+	return dpot->bdata.bops->write_r8d8(dpot->bdata.client, reg, val);
+}
+
+static inline int dpot_write_r8d16(struct dpot_data *dpot, u8 reg, u16 val)
+{
+	return dpot->bdata.bops->write_r8d16(dpot->bdata.client, reg, val);
+}
+
+static s32 dpot_read(struct dpot_data *dpot, u8 reg)
+{
+	unsigned val = 0;
+
+	if (dpot->feat & F_SPI) {
+		if (!(reg & (DPOT_ADDR_EEPROM | DPOT_ADDR_CMD))) {
+
+			if (dpot->feat & F_RDACS_WONLY)
+				return dpot->rdac_cache[reg & DPOT_RDAC_MASK];
+
+			if (dpot->uid == DPOT_UID(AD5291_ID) ||
+				dpot->uid == DPOT_UID(AD5292_ID) ||
+				dpot->uid == DPOT_UID(AD5293_ID))
+				return dpot_read_r8d8(dpot,
+					DPOT_AD5291_READ_RDAC << 2);
+
+			val = DPOT_SPI_READ_RDAC;
+		} else if (reg & DPOT_ADDR_EEPROM) {
+			val = DPOT_SPI_READ_EEPROM;
+		}
+
+		if (dpot->feat & F_SPI_16BIT)
+			return dpot_read_r8d8(dpot, val);
+		else if (dpot->feat & F_SPI_24BIT)
+			return dpot_read_r8d16(dpot, val);
+
+	} else { /* I2C */
+
+		if ((reg & DPOT_REG_TOL) || (dpot->max_pos > 256))
+			return dpot_read_r8d16(dpot, (reg & 0xF8) |
+					((reg & 0x7) << 1));
+		else
+			return dpot_read_r8d8(dpot, reg);
+
+	}
+	return -EFAULT;
+}
+
+static s32 dpot_write(struct dpot_data *dpot, u8 reg, u16 value)
+{
+	unsigned val = 0;
+
+	if (dpot->feat & F_SPI) {
+		if (!(reg & (DPOT_ADDR_EEPROM | DPOT_ADDR_CMD))) {
+			if (dpot->feat & F_RDACS_WONLY)
+				dpot->rdac_cache[reg & DPOT_RDAC_MASK] = value;
+
+			if (dpot->feat & F_AD_APPDATA) {
+				if (dpot->feat & F_SPI_8BIT) {
+					val = ((reg & DPOT_RDAC_MASK) <<
+						DPOT_MAX_POS(dpot->devid)) |
+						value;
+					return dpot_write_d8(dpot, val);
+				} else if (dpot->feat & F_SPI_16BIT) {
+					val = ((reg & DPOT_RDAC_MASK) <<
+						DPOT_MAX_POS(dpot->devid)) |
+						value;
+					return dpot_write_r8d8(dpot, val >> 8,
+						val & 0xFF);
+				} else
+					BUG();
+			} else {
+				if (dpot->uid == DPOT_UID(AD5291_ID) ||
+					dpot->uid == DPOT_UID(AD5292_ID) ||
+					dpot->uid == DPOT_UID(AD5293_ID))
+					return dpot_write_r8d8(dpot,
+						(DPOT_AD5291_RDAC << 2) |
+						(value >> 8), value & 0xFF);
+
+				val = DPOT_SPI_RDAC | (reg & DPOT_RDAC_MASK);
+			}
+		} else if (reg & DPOT_ADDR_EEPROM) {
+			val = DPOT_SPI_EEPROM | (reg & DPOT_RDAC_MASK);
+		} else if (reg & DPOT_ADDR_CMD) {
+			switch (reg) {
+			case DPOT_DEC_ALL_6DB:
+				val = DPOT_SPI_DEC_ALL_6DB;
+				break;
+			case DPOT_INC_ALL_6DB:
+				val = DPOT_SPI_INC_ALL_6DB;
+				break;
+			case DPOT_DEC_ALL:
+				val = DPOT_SPI_DEC_ALL;
+				break;
+			case DPOT_INC_ALL:
+				val = DPOT_SPI_INC_ALL;
+				break;
+			}
+		} else
+			BUG();
+
+		if (dpot->feat & F_SPI_16BIT)
+			return dpot_write_r8d8(dpot, val, value);
+		else if (dpot->feat & F_SPI_24BIT)
+			return dpot_write_r8d16(dpot, val, value);
+	} else {
+		/* Only write the instruction byte for certain commands */
+		if (reg & DPOT_ADDR_CMD)
+			return dpot_write_d8(dpot, reg);
+
+		if (dpot->max_pos > 256)
+			return dpot_write_r8d16(dpot, (reg & 0xF8) |
+						((reg & 0x7) << 1), value);
+		else
+			/* All other registers require instruction + data bytes */
+			return dpot_write_r8d8(dpot, reg, value);
+
+	}
+
+	return -EFAULT;
+}
+
 /* sysfs functions */
 
 static ssize_t sysfs_show_reg(struct device *dev,
-			      struct device_attribute *attr, char *buf, u32 reg)
+			      struct device_attribute *attr,
+			      char *buf, u32 reg)
 {
-	struct i2c_client *client = to_i2c_client(dev);
-	struct dpot_data *data = i2c_get_clientdata(client);
+	struct dpot_data *data = dev_get_drvdata(dev);
 	s32 value;
 
 	mutex_lock(&data->update_lock);
-	value = ad525x_read(client, reg);
+	value = dpot_read(data, reg);
 	mutex_unlock(&data->update_lock);
 
 	if (value < 0)
@@ -111,7 +242,7 @@ static ssize_t sysfs_show_reg(struct device *dev,
 	 * datasheet (Rev. A) for more details.
 	 */
 
-	if (reg & AD525X_REG_TOL)
+	if (reg & DPOT_REG_TOL)
 		return sprintf(buf, "0x%04x\n", value & 0xFFFF);
 	else
 		return sprintf(buf, "%u\n", value & data->rdac_mask);
@@ -121,8 +252,7 @@ static ssize_t sysfs_set_reg(struct device *dev,
 			     struct device_attribute *attr,
 			     const char *buf, size_t count, u32 reg)
 {
-	struct i2c_client *client = to_i2c_client(dev);
-	struct dpot_data *data = i2c_get_clientdata(client);
+	struct dpot_data *data = dev_get_drvdata(dev);
 	unsigned long value;
 	int err;
 
@@ -134,8 +264,8 @@ static ssize_t sysfs_set_reg(struct device *dev,
 		value = data->rdac_mask;
 
 	mutex_lock(&data->update_lock);
-	ad525x_write(client, reg, value);
-	if (reg & AD525X_I2C_EEPROM)
+	dpot_write(data, reg, value);
+	if (reg & DPOT_ADDR_EEPROM)
 		msleep(26);	/* Sleep while the EEPROM updates */
 	mutex_unlock(&data->update_lock);
 
@@ -146,11 +276,10 @@ static ssize_t sysfs_do_cmd(struct device *dev,
 			    struct device_attribute *attr,
 			    const char *buf, size_t count, u32 reg)
 {
-	struct i2c_client *client = to_i2c_client(dev);
-	struct dpot_data *data = i2c_get_clientdata(client);
+	struct dpot_data *data = dev_get_drvdata(dev);
 
 	mutex_lock(&data->update_lock);
-	ad525x_write(client, reg, 0);
+	dpot_write(data, reg, 0);
 	mutex_unlock(&data->update_lock);
 
 	return count;
@@ -182,51 +311,58 @@ static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, set_##name);
 DPOT_DEVICE_SHOW(name, reg) \
 static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, NULL);
 
-DPOT_DEVICE_SHOW_SET(rdac0, AD525X_I2C_RDAC | AD525X_RDAC0);
-DPOT_DEVICE_SHOW_SET(eeprom0, AD525X_I2C_EEPROM | AD525X_RDAC0);
-DPOT_DEVICE_SHOW_ONLY(tolerance0, AD525X_I2C_EEPROM | AD525X_TOL_RDAC0);
+DPOT_DEVICE_SHOW_SET(rdac0, DPOT_ADDR_RDAC | DPOT_RDAC0);
+DPOT_DEVICE_SHOW_SET(eeprom0, DPOT_ADDR_EEPROM | DPOT_RDAC0);
+DPOT_DEVICE_SHOW_ONLY(tolerance0, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC0);
 
-DPOT_DEVICE_SHOW_SET(rdac1, AD525X_I2C_RDAC | AD525X_RDAC1);
-DPOT_DEVICE_SHOW_SET(eeprom1, AD525X_I2C_EEPROM | AD525X_RDAC1);
-DPOT_DEVICE_SHOW_ONLY(tolerance1, AD525X_I2C_EEPROM | AD525X_TOL_RDAC1);
+DPOT_DEVICE_SHOW_SET(rdac1, DPOT_ADDR_RDAC | DPOT_RDAC1);
+DPOT_DEVICE_SHOW_SET(eeprom1, DPOT_ADDR_EEPROM | DPOT_RDAC1);
+DPOT_DEVICE_SHOW_ONLY(tolerance1, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC1);
 
-DPOT_DEVICE_SHOW_SET(rdac2, AD525X_I2C_RDAC | AD525X_RDAC2);
-DPOT_DEVICE_SHOW_SET(eeprom2, AD525X_I2C_EEPROM | AD525X_RDAC2);
-DPOT_DEVICE_SHOW_ONLY(tolerance2, AD525X_I2C_EEPROM | AD525X_TOL_RDAC2);
+DPOT_DEVICE_SHOW_SET(rdac2, DPOT_ADDR_RDAC | DPOT_RDAC2);
+DPOT_DEVICE_SHOW_SET(eeprom2, DPOT_ADDR_EEPROM | DPOT_RDAC2);
+DPOT_DEVICE_SHOW_ONLY(tolerance2, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC2);
 
-DPOT_DEVICE_SHOW_SET(rdac3, AD525X_I2C_RDAC | AD525X_RDAC3);
-DPOT_DEVICE_SHOW_SET(eeprom3, AD525X_I2C_EEPROM | AD525X_RDAC3);
-DPOT_DEVICE_SHOW_ONLY(tolerance3, AD525X_I2C_EEPROM | AD525X_TOL_RDAC3);
+DPOT_DEVICE_SHOW_SET(rdac3, DPOT_ADDR_RDAC | DPOT_RDAC3);
+DPOT_DEVICE_SHOW_SET(eeprom3, DPOT_ADDR_EEPROM | DPOT_RDAC3);
+DPOT_DEVICE_SHOW_ONLY(tolerance3, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC3);
 
-static struct attribute *ad525x_attributes_wipers[4][4] = {
-	{
-		&dev_attr_rdac0.attr,
-		&dev_attr_eeprom0.attr,
-		&dev_attr_tolerance0.attr,
-		NULL
-	}, {
-		&dev_attr_rdac1.attr,
-		&dev_attr_eeprom1.attr,
-		&dev_attr_tolerance1.attr,
-		NULL
-	}, {
-		&dev_attr_rdac2.attr,
-		&dev_attr_eeprom2.attr,
-		&dev_attr_tolerance2.attr,
-		NULL
-	}, {
-		&dev_attr_rdac3.attr,
-		&dev_attr_eeprom3.attr,
-		&dev_attr_tolerance3.attr,
-		NULL
-	}
+DPOT_DEVICE_SHOW_SET(rdac4, DPOT_ADDR_RDAC | DPOT_RDAC4);
+DPOT_DEVICE_SHOW_SET(eeprom4, DPOT_ADDR_EEPROM | DPOT_RDAC4);
+DPOT_DEVICE_SHOW_ONLY(tolerance4, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC4);
+
+DPOT_DEVICE_SHOW_SET(rdac5, DPOT_ADDR_RDAC | DPOT_RDAC5);
+DPOT_DEVICE_SHOW_SET(eeprom5, DPOT_ADDR_EEPROM | DPOT_RDAC5);
+DPOT_DEVICE_SHOW_ONLY(tolerance5, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC5);
+
+static const struct attribute *dpot_attrib_wipers[] = {
+	&dev_attr_rdac0.attr,
+	&dev_attr_rdac1.attr,
+	&dev_attr_rdac2.attr,
+	&dev_attr_rdac3.attr,
+	&dev_attr_rdac4.attr,
+	&dev_attr_rdac5.attr,
+	NULL
 };
 
-static const struct attribute_group ad525x_group_wipers[] = {
-	{.attrs = ad525x_attributes_wipers[AD525X_RDAC0]},
-	{.attrs = ad525x_attributes_wipers[AD525X_RDAC1]},
-	{.attrs = ad525x_attributes_wipers[AD525X_RDAC2]},
-	{.attrs = ad525x_attributes_wipers[AD525X_RDAC3]},
+static const struct attribute *dpot_attrib_eeprom[] = {
+	&dev_attr_eeprom0.attr,
+	&dev_attr_eeprom1.attr,
+	&dev_attr_eeprom2.attr,
+	&dev_attr_eeprom3.attr,
+	&dev_attr_eeprom4.attr,
+	&dev_attr_eeprom5.attr,
+	NULL
+};
+
+static const struct attribute *dpot_attrib_tolerance[] = {
+	&dev_attr_tolerance0.attr,
+	&dev_attr_tolerance1.attr,
+	&dev_attr_tolerance2.attr,
+	&dev_attr_tolerance3.attr,
+	&dev_attr_tolerance4.attr,
+	&dev_attr_tolerance5.attr,
+	NULL
 };
 
 /* ------------------------------------------------------------------------- */
@@ -240,10 +376,10 @@ set_##_name(struct device *dev, \
 } \
 static DEVICE_ATTR(_name, S_IWUSR | S_IRUGO, NULL, set_##_name);
 
-DPOT_DEVICE_DO_CMD(inc_all, AD525X_INC_ALL);
-DPOT_DEVICE_DO_CMD(dec_all, AD525X_DEC_ALL);
-DPOT_DEVICE_DO_CMD(inc_all_6db, AD525X_INC_ALL_6DB);
-DPOT_DEVICE_DO_CMD(dec_all_6db, AD525X_DEC_ALL_6DB);
+DPOT_DEVICE_DO_CMD(inc_all, DPOT_INC_ALL);
+DPOT_DEVICE_DO_CMD(dec_all, DPOT_DEC_ALL);
+DPOT_DEVICE_DO_CMD(inc_all_6db, DPOT_INC_ALL_6DB);
+DPOT_DEVICE_DO_CMD(dec_all_6db, DPOT_DEC_ALL_6DB);
 
 static struct attribute *ad525x_attributes_commands[] = {
 	&dev_attr_inc_all.attr,
@@ -257,74 +393,44 @@ static const struct attribute_group ad525x_group_commands = {
 	.attrs = ad525x_attributes_commands,
 };
 
-/* ------------------------------------------------------------------------- */
-
-/* i2c device functions */
-
-/**
- * ad525x_read - return the value contained in the specified register
- * on the AD5258 device.
- * @client: value returned from i2c_new_device()
- * @reg: the register to read
- *
- * If the tolerance register is specified, 2 bytes are returned.
- * Otherwise, 1 byte is returned.  A negative value indicates an error
- * occurred while reading the register.
- */
-static s32 ad525x_read(struct i2c_client *client, u8 reg)
+__devinit int ad_dpot_add_files(struct device *dev,
+		unsigned features, unsigned rdac)
 {
-	struct dpot_data *data = i2c_get_clientdata(client);
+	int err = sysfs_create_file(&dev->kobj,
+		dpot_attrib_wipers[rdac]);
+	if (features & F_CMD_EEP)
+		err |= sysfs_create_file(&dev->kobj,
+			dpot_attrib_eeprom[rdac]);
+	if (features & F_CMD_TOL)
+		err |= sysfs_create_file(&dev->kobj,
+			dpot_attrib_tolerance[rdac]);
 
-	if ((reg & AD525X_REG_TOL) || (data->max_pos > 256))
-		return i2c_smbus_read_word_data(client, (reg & 0xF8) |
-						((reg & 0x7) << 1));
-	else
-		return i2c_smbus_read_byte_data(client, reg);
+	if (err)
+		dev_err(dev, "failed to register sysfs hooks for RDAC%d\n",
+			rdac);
+
+	return err;
 }
 
-/**
- * ad525x_write - store the given value in the specified register on
- * the AD5258 device.
- * @client: value returned from i2c_new_device()
- * @reg: the register to write
- * @value: the byte to store in the register
- *
- * For certain instructions that do not require a data byte, "NULL"
- * should be specified for the "value" parameter.  These instructions
- * include NOP, RESTORE_FROM_EEPROM, and STORE_TO_EEPROM.
- *
- * A negative return value indicates an error occurred while reading
- * the register.
- */
-static s32 ad525x_write(struct i2c_client *client, u8 reg, u16 value)
+inline void ad_dpot_remove_files(struct device *dev,
+		unsigned features, unsigned rdac)
 {
-	struct dpot_data *data = i2c_get_clientdata(client);
-
-	/* Only write the instruction byte for certain commands */
-	if (reg & AD525X_I2C_CMD)
-		return i2c_smbus_write_byte(client, reg);
-
-	if (data->max_pos > 256)
-		return i2c_smbus_write_word_data(client, (reg & 0xF8) |
-						((reg & 0x7) << 1), value);
-	else
-		/* All other registers require instruction + data bytes */
-		return i2c_smbus_write_byte_data(client, reg, value);
+	sysfs_remove_file(&dev->kobj,
+		dpot_attrib_wipers[rdac]);
+	if (features & F_CMD_EEP)
+		sysfs_remove_file(&dev->kobj,
+			dpot_attrib_eeprom[rdac]);
+	if (features & F_CMD_TOL)
+		sysfs_remove_file(&dev->kobj,
+			dpot_attrib_tolerance[rdac]);
 }
 
-static int ad525x_probe(struct i2c_client *client,
-			const struct i2c_device_id *id)
+__devinit int ad_dpot_probe(struct device *dev,
+		struct ad_dpot_bus_data *bdata, const struct ad_dpot_id *id)
 {
-	struct device *dev = &client->dev;
+
 	struct dpot_data *data;
-	int err = 0;
-
-	dev_dbg(dev, "%s\n", __func__);
-
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE)) {
-		dev_err(dev, "missing I2C functionality for this driver\n");
-		goto exit;
-	}
+	int i, err = 0;
 
 	data = kzalloc(sizeof(struct dpot_data), GFP_KERNEL);
 	if (!data) {
@@ -332,183 +438,74 @@ static int ad525x_probe(struct i2c_client *client,
 		goto exit;
 	}
 
-	i2c_set_clientdata(client, data);
+	dev_set_drvdata(dev, data);
 	mutex_init(&data->update_lock);
 
-	switch (id->driver_data) {
-	case AD5258_ID:
-		data->max_pos = AD5258_MAX_POSITION;
-		err = sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC0]);
-		break;
-	case AD5259_ID:
-		data->max_pos = AD5259_MAX_POSITION;
-		err = sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC0]);
-		break;
-	case AD5251_ID:
-		data->max_pos = AD5251_MAX_POSITION;
-		err = sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC1]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC3]);
-		err |= sysfs_create_group(&dev->kobj, &ad525x_group_commands);
-		break;
-	case AD5252_ID:
-		data->max_pos = AD5252_MAX_POSITION;
-		err = sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC1]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC3]);
-		err |= sysfs_create_group(&dev->kobj, &ad525x_group_commands);
-		break;
-	case AD5253_ID:
-		data->max_pos = AD5253_MAX_POSITION;
-		err = sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC0]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC1]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC2]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC3]);
-		err |= sysfs_create_group(&dev->kobj, &ad525x_group_commands);
-		break;
-	case AD5254_ID:
-		data->max_pos = AD5254_MAX_POSITION;
-		err = sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC0]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC1]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC2]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC3]);
-		err |= sysfs_create_group(&dev->kobj, &ad525x_group_commands);
-		break;
-	case AD5255_ID:
-		data->max_pos = AD5255_MAX_POSITION;
-		err = sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC0]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC1]);
-		err |= sysfs_create_group(&dev->kobj,
-				       &ad525x_group_wipers[AD525X_RDAC2]);
-		err |= sysfs_create_group(&dev->kobj, &ad525x_group_commands);
-		break;
-	default:
-		err = -ENODEV;
-		goto exit_free;
-	}
+	data->bdata = *bdata;
+	data->devid = id->devid;
+
+	data->max_pos = 1 << DPOT_MAX_POS(data->devid);
+	data->rdac_mask = data->max_pos - 1;
+	data->feat = DPOT_FEAT(data->devid);
+	data->uid = DPOT_UID(data->devid);
+	data->wipers = DPOT_WIPERS(data->devid);
+
+	for (i = DPOT_RDAC0; i <= DPOT_RDAC5; i++)
+		if (data->wipers & (1 << i)) {
+			err = ad_dpot_add_files(dev, data->feat, i);
+			if (err)
+				goto exit_remove_files;
+			/* power-up midscale */
+			if (data->feat & F_RDACS_WONLY)
+				data->rdac_cache[i] = data->max_pos / 2;
+		}
+
+	if (data->feat & F_CMD_INC)
+		err = sysfs_create_group(&dev->kobj, &ad525x_group_commands);
 
 	if (err) {
 		dev_err(dev, "failed to register sysfs hooks\n");
 		goto exit_free;
 	}
 
-	data->devid = id->driver_data;
-	data->rdac_mask = data->max_pos - 1;
-
 	dev_info(dev, "%s %d-Position Digital Potentiometer registered\n",
 		 id->name, data->max_pos);
 
 	return 0;
 
+exit_remove_files:
+	for (i = DPOT_RDAC0; i <= DPOT_RDAC5; i++)
+		if (data->wipers & (1 << i))
+			ad_dpot_remove_files(dev, data->feat, i);
+
 exit_free:
 	kfree(data);
-	i2c_set_clientdata(client, NULL);
+	dev_set_drvdata(dev, NULL);
 exit:
-	dev_err(dev, "failed to create client\n");
+	dev_err(dev, "failed to create client for %s ID 0x%lX\n",
+			id->name, id->devid);
 	return err;
 }
+EXPORT_SYMBOL(ad_dpot_probe);
 
-static int __devexit ad525x_remove(struct i2c_client *client)
+__devexit int ad_dpot_remove(struct device *dev)
 {
-	struct dpot_data *data = i2c_get_clientdata(client);
-	struct device *dev = &client->dev;
+	struct dpot_data *data = dev_get_drvdata(dev);
+	int i;
 
-	switch (data->devid) {
-	case AD5258_ID:
-	case AD5259_ID:
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC0]);
-		break;
-	case AD5251_ID:
-	case AD5252_ID:
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC1]);
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC3]);
-		sysfs_remove_group(&dev->kobj, &ad525x_group_commands);
-		break;
-	case AD5253_ID:
-	case AD5254_ID:
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC0]);
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC1]);
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC2]);
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC3]);
-		sysfs_remove_group(&dev->kobj, &ad525x_group_commands);
-		break;
-	case AD5255_ID:
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC0]);
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC1]);
-		sysfs_remove_group(&dev->kobj,
-				   &ad525x_group_wipers[AD525X_RDAC2]);
-		sysfs_remove_group(&dev->kobj, &ad525x_group_commands);
-		break;
-	}
+	for (i = DPOT_RDAC0; i <= DPOT_RDAC5; i++)
+		if (data->wipers & (1 << i))
+			ad_dpot_remove_files(dev, data->feat, i);
 
-	i2c_set_clientdata(client, NULL);
 	kfree(data);
 
 	return 0;
 }
+EXPORT_SYMBOL(ad_dpot_remove);
 
-static const struct i2c_device_id ad525x_idtable[] = {
-	{"ad5258", AD5258_ID},
-	{"ad5259", AD5259_ID},
-	{"ad5251", AD5251_ID},
-	{"ad5252", AD5252_ID},
-	{"ad5253", AD5253_ID},
-	{"ad5254", AD5254_ID},
-	{"ad5255", AD5255_ID},
-	{}
-};
-
-MODULE_DEVICE_TABLE(i2c, ad525x_idtable);
-
-static struct i2c_driver ad525x_driver = {
-	.driver = {
-		   .owner = THIS_MODULE,
-		   .name = DRIVER_NAME,
-		   },
-	.id_table = ad525x_idtable,
-	.probe = ad525x_probe,
-	.remove = __devexit_p(ad525x_remove),
-};
-
-static int __init ad525x_init(void)
-{
-	return i2c_add_driver(&ad525x_driver);
-}
-
-module_init(ad525x_init);
-
-static void __exit ad525x_exit(void)
-{
-	i2c_del_driver(&ad525x_driver);
-}
-
-module_exit(ad525x_exit);
 
 MODULE_AUTHOR("Chris Verges <chrisv@cyberswitching.com>, "
-	      "Michael Hennerich <hennerich@blackfin.uclinux.org>, ");
-MODULE_DESCRIPTION("AD5258/9 digital potentiometer driver");
+	      "Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("Digital potentiometer driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRIVER_VERSION);
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
new file mode 100644
index 00000000000..99b388e12f5
--- /dev/null
+++ b/drivers/misc/ad525x_dpot.h
@@ -0,0 +1,173 @@
+/*
+ * Driver for the Analog Devices digital potentiometers
+ *
+ * Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _AD_DPOT_H_
+#define _AD_DPOT_H_
+
+#include <linux/types.h>
+
+#define DPOT_CONF(features, wipers, max_pos, uid) \
+		(((features) << 18) | (((wipers) & 0xFF) << 10) | \
+		((max_pos & 0xF) << 6) | (uid & 0x3F))
+
+#define DPOT_UID(conf) (conf & 0x3F)
+#define DPOT_MAX_POS(conf) ((conf >> 6) & 0xF)
+#define DPOT_WIPERS(conf) ((conf >> 10) & 0xFF)
+#define DPOT_FEAT(conf) (conf >> 18)
+
+#define BRDAC0	(1 << 0)
+#define BRDAC1	(1 << 1)
+#define BRDAC2	(1 << 2)
+#define BRDAC3	(1 << 3)
+#define BRDAC4	(1 << 4)
+#define BRDAC5	(1 << 5)
+
+#define F_CMD_INC		(1 << 0)	/* Features INC/DEC ALL, 6dB */
+#define F_CMD_EEP		(1 << 1)	/* Features EEPROM */
+#define F_CMD_TOL		(1 << 2)	/* RDACS are Read/Write + Tolerance REG */
+#define F_RDACS_RW		(1 << 3)	/* RDACS are Read/Write + Tolerance REG */
+#define F_RDACS_WONLY		(1 << 4)	/* RDACS are Write only */
+#define F_AD_APPDATA		(1 << 5)	/* RDAC Address append to data */
+#define F_SPI_8BIT		(1 << 6)	/* All SPI XFERS are 8-bit */
+#define F_SPI_16BIT		(1 << 7)	/* All SPI XFERS are 16-bit */
+#define F_SPI_24BIT		(1 << 8)	/* All SPI XFERS are 24-bit */
+
+#define F_RDACS_RW_TOL	(F_RDACS_RW | F_CMD_EEP | F_CMD_TOL)
+#define F_RDACS_RW_EEP	(F_RDACS_RW | F_CMD_EEP)
+#define F_SPI		(F_SPI_8BIT | F_SPI_16BIT | F_SPI_24BIT)
+
+enum dpot_devid {
+	AD5258_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 6, 0), /* I2C */
+	AD5259_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 8, 1),
+	AD5251_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
+			BRDAC0 | BRDAC3, 6, 2),
+	AD5252_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
+			BRDAC0 | BRDAC3, 8, 3),
+	AD5253_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
+			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 4),
+	AD5254_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
+			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 5),
+	AD5255_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
+			BRDAC0 | BRDAC1 | BRDAC2, 9, 6),
+	AD5160_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 8, 7), /* SPI */
+	AD5161_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 8, 8),
+	AD5162_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
+			BRDAC0 | BRDAC1, 8, 9),
+	AD5165_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 8, 10),
+	AD5200_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 8, 11),
+	AD5201_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 5, 12),
+	AD5203_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 13),
+	AD5204_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
+			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 14),
+	AD5206_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
+			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3 | BRDAC4 | BRDAC5,
+			8, 15),
+	AD5207_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
+			BRDAC0 | BRDAC1, 8, 16),
+	AD5231_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT,
+			BRDAC0, 10, 17),
+	AD5232_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_16BIT,
+			BRDAC0 | BRDAC1, 8, 18),
+	AD5233_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_16BIT,
+			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 19),
+	AD5235_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT,
+			BRDAC0 | BRDAC1, 10, 20),
+	AD5260_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 8, 21),
+	AD5262_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
+			BRDAC0 | BRDAC1, 8, 22),
+	AD5263_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
+			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 23),
+	AD5290_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 8, 24),
+	AD5291_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 8, 25),
+	AD5292_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 26),
+	AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27),
+	AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 7, 28),
+	AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+			BRDAC0, 8, 29),
+	AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
+			BRDAC0 | BRDAC1, 8, 30),
+	AD8403_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
+			BRDAC0 | BRDAC1 | BRDAC2, 8, 31),
+	ADN2850_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT,
+			BRDAC0 | BRDAC1, 10, 32),
+};
+
+#define DPOT_RDAC0		0
+#define DPOT_RDAC1		1
+#define DPOT_RDAC2		2
+#define DPOT_RDAC3		3
+#define DPOT_RDAC4		4
+#define DPOT_RDAC5		5
+
+#define DPOT_RDAC_MASK		0x1F
+
+#define DPOT_REG_TOL		0x18
+#define DPOT_TOL_RDAC0		(DPOT_REG_TOL | DPOT_RDAC0)
+#define DPOT_TOL_RDAC1		(DPOT_REG_TOL | DPOT_RDAC1)
+#define DPOT_TOL_RDAC2		(DPOT_REG_TOL | DPOT_RDAC2)
+#define DPOT_TOL_RDAC3		(DPOT_REG_TOL | DPOT_RDAC3)
+#define DPOT_TOL_RDAC4		(DPOT_REG_TOL | DPOT_RDAC4)
+#define DPOT_TOL_RDAC5		(DPOT_REG_TOL | DPOT_RDAC5)
+
+/* RDAC-to-EEPROM Interface Commands */
+#define DPOT_ADDR_RDAC		(0x00 << 5)
+#define DPOT_ADDR_EEPROM	(0x01 << 5)
+#define DPOT_ADDR_CMD		(0x80)
+
+#define DPOT_DEC_ALL_6DB	(DPOT_ADDR_CMD | (0x4 << 3))
+#define DPOT_INC_ALL_6DB	(DPOT_ADDR_CMD | (0x9 << 3))
+#define DPOT_DEC_ALL		(DPOT_ADDR_CMD | (0x6 << 3))
+#define DPOT_INC_ALL		(DPOT_ADDR_CMD | (0xB << 3))
+
+#define DPOT_SPI_RDAC		0xB0
+#define DPOT_SPI_EEPROM		0x30
+#define DPOT_SPI_READ_RDAC	0xA0
+#define DPOT_SPI_READ_EEPROM	0x90
+#define DPOT_SPI_DEC_ALL_6DB	0x50
+#define DPOT_SPI_INC_ALL_6DB	0xD0
+#define DPOT_SPI_DEC_ALL	0x70
+#define DPOT_SPI_INC_ALL	0xF0
+
+/* AD5291/2/3 use special commands */
+#define DPOT_AD5291_RDAC	0x01
+#define DPOT_AD5291_READ_RDAC	0x02
+
+struct dpot_data;
+
+struct ad_dpot_bus_ops {
+	int (*read_d8) (void *client);
+	int (*read_r8d8) (void *client, u8 reg);
+	int (*read_r8d16) (void *client, u8 reg);
+	int (*write_d8) (void *client, u8 val);
+	int (*write_r8d8) (void *client, u8 reg, u8 val);
+	int (*write_r8d16) (void *client, u8 reg, u16 val);
+};
+
+struct ad_dpot_bus_data {
+	void *client;
+	const struct ad_dpot_bus_ops *bops;
+};
+
+struct ad_dpot_id {
+	char *name;
+	unsigned long devid;
+};
+
+int ad_dpot_probe(struct device *dev, struct ad_dpot_bus_data *bdata, const struct ad_dpot_id *id);
+int ad_dpot_remove(struct device *dev);
+
+#endif

From e3ae68476ce0636554b5d95a33777f80ba407dc0 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Mon, 24 May 2010 14:33:15 -0700
Subject: [PATCH 3061/3638] ad525x_dpot: add support for AD524x pots

New parts supported:
	AD5241, AD5242, AD5243, AD5245, AD5246, AD5247, AD5248

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/Kconfig           |   3 +-
 drivers/misc/ad525x_dpot-i2c.c |   7 +
 drivers/misc/ad525x_dpot.c     | 230 +++++++++++++++++++++------------
 drivers/misc/ad525x_dpot.h     |  27 +++-
 4 files changed, 173 insertions(+), 94 deletions(-)

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 69e019e7d69..90c3415dc90 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -22,7 +22,8 @@ config AD525X_DPOT
 	  AD5160, AD5161, AD5162, AD5165, AD5200, AD5201, AD5203,
 	  AD5204, AD5206, AD5207, AD5231, AD5232, AD5233, AD5235,
 	  AD5260, AD5262, AD5263, AD5290, AD5291, AD5292, AD5293,
-	  AD7376, AD8400, AD8402, AD8403, ADN2850
+	  AD7376, AD8400, AD8402, AD8403, ADN2850, AD5241, AD5242,
+	  AD5243, AD5245, AD5246, AD5247, AD5248
 	  digital potentiometer chips.
 
 	  See Documentation/misc-devices/ad525x_dpot.txt for the
diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c
index 971e61d7f88..0dfad4e70f7 100644
--- a/drivers/misc/ad525x_dpot-i2c.c
+++ b/drivers/misc/ad525x_dpot-i2c.c
@@ -87,6 +87,13 @@ static const struct i2c_device_id ad_dpot_id[] = {
 	{"ad5253", AD5253_ID},
 	{"ad5254", AD5254_ID},
 	{"ad5255", AD5255_ID},
+	{"ad5241", AD5241_ID},
+	{"ad5242", AD5242_ID},
+	{"ad5243", AD5243_ID},
+	{"ad5245", AD5245_ID},
+	{"ad5246", AD5246_ID},
+	{"ad5247", AD5247_ID},
+	{"ad5248", AD5248_ID},
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, ad_dpot_id);
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index a41c2de0eae..35a4c4b343d 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -37,6 +37,13 @@
  * AD8402		2		256		1, 10, 50, 100
  * AD8403		4		256		1, 10, 50, 100
  * ADN2850		3		512		25, 250
+ * AD5241		1		256		10, 100, 1M
+ * AD5246		1		128		5, 10, 50, 100
+ * AD5247		1		128		5, 10, 50, 100
+ * AD5245		1		256		5, 10, 50, 100
+ * AD5243		2		256		2.5, 10, 50, 100
+ * AD5248		2		256		2.5, 10, 50, 100
+ * AD5242		2		256		20, 50, 200
  *
  * See Documentation/misc-devices/ad525x_dpot.txt for more info.
  *
@@ -107,118 +114,169 @@ static inline int dpot_write_r8d16(struct dpot_data *dpot, u8 reg, u16 val)
 	return dpot->bdata.bops->write_r8d16(dpot->bdata.client, reg, val);
 }
 
-static s32 dpot_read(struct dpot_data *dpot, u8 reg)
+static s32 dpot_read_spi(struct dpot_data *dpot, u8 reg)
 {
-	unsigned val = 0;
+	unsigned ctrl = 0;
 
-	if (dpot->feat & F_SPI) {
-		if (!(reg & (DPOT_ADDR_EEPROM | DPOT_ADDR_CMD))) {
+	if (!(reg & (DPOT_ADDR_EEPROM | DPOT_ADDR_CMD))) {
 
-			if (dpot->feat & F_RDACS_WONLY)
-				return dpot->rdac_cache[reg & DPOT_RDAC_MASK];
+		if (dpot->feat & F_RDACS_WONLY)
+			return dpot->rdac_cache[reg & DPOT_RDAC_MASK];
 
-			if (dpot->uid == DPOT_UID(AD5291_ID) ||
-				dpot->uid == DPOT_UID(AD5292_ID) ||
-				dpot->uid == DPOT_UID(AD5293_ID))
-				return dpot_read_r8d8(dpot,
-					DPOT_AD5291_READ_RDAC << 2);
+		if (dpot->uid == DPOT_UID(AD5291_ID) ||
+			dpot->uid == DPOT_UID(AD5292_ID) ||
+			dpot->uid == DPOT_UID(AD5293_ID))
+			return dpot_read_r8d8(dpot,
+				DPOT_AD5291_READ_RDAC << 2);
 
-			val = DPOT_SPI_READ_RDAC;
-		} else if (reg & DPOT_ADDR_EEPROM) {
-			val = DPOT_SPI_READ_EEPROM;
-		}
+		ctrl = DPOT_SPI_READ_RDAC;
+	} else if (reg & DPOT_ADDR_EEPROM) {
+		ctrl = DPOT_SPI_READ_EEPROM;
+	}
 
-		if (dpot->feat & F_SPI_16BIT)
-			return dpot_read_r8d8(dpot, val);
-		else if (dpot->feat & F_SPI_24BIT)
-			return dpot_read_r8d16(dpot, val);
+	if (dpot->feat & F_SPI_16BIT)
+		return dpot_read_r8d8(dpot, ctrl);
+	else if (dpot->feat & F_SPI_24BIT)
+		return dpot_read_r8d16(dpot, ctrl);
 
-	} else { /* I2C */
+	return -EFAULT;
+}
 
+static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
+{
+	unsigned ctrl = 0;
+	switch (dpot->uid) {
+	case DPOT_UID(AD5246_ID):
+	case DPOT_UID(AD5247_ID):
+		return dpot_read_d8(dpot);
+	case DPOT_UID(AD5245_ID):
+	case DPOT_UID(AD5241_ID):
+	case DPOT_UID(AD5242_ID):
+	case DPOT_UID(AD5243_ID):
+	case DPOT_UID(AD5248_ID):
+		ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
+			0 : DPOT_AD5291_RDAC_AB;
+		return dpot_read_r8d8(dpot, ctrl);
+	default:
 		if ((reg & DPOT_REG_TOL) || (dpot->max_pos > 256))
 			return dpot_read_r8d16(dpot, (reg & 0xF8) |
 					((reg & 0x7) << 1));
 		else
 			return dpot_read_r8d8(dpot, reg);
-
 	}
-	return -EFAULT;
 }
 
-static s32 dpot_write(struct dpot_data *dpot, u8 reg, u16 value)
+static s32 dpot_read(struct dpot_data *dpot, u8 reg)
+{
+	if (dpot->feat & F_SPI)
+		return dpot_read_spi(dpot, reg);
+	else
+		return dpot_read_i2c(dpot, reg);
+}
+
+static s32 dpot_write_spi(struct dpot_data *dpot, u8 reg, u16 value)
 {
 	unsigned val = 0;
 
-	if (dpot->feat & F_SPI) {
-		if (!(reg & (DPOT_ADDR_EEPROM | DPOT_ADDR_CMD))) {
-			if (dpot->feat & F_RDACS_WONLY)
-				dpot->rdac_cache[reg & DPOT_RDAC_MASK] = value;
+	if (!(reg & (DPOT_ADDR_EEPROM | DPOT_ADDR_CMD))) {
+		if (dpot->feat & F_RDACS_WONLY)
+			dpot->rdac_cache[reg & DPOT_RDAC_MASK] = value;
 
-			if (dpot->feat & F_AD_APPDATA) {
-				if (dpot->feat & F_SPI_8BIT) {
-					val = ((reg & DPOT_RDAC_MASK) <<
-						DPOT_MAX_POS(dpot->devid)) |
-						value;
-					return dpot_write_d8(dpot, val);
-				} else if (dpot->feat & F_SPI_16BIT) {
-					val = ((reg & DPOT_RDAC_MASK) <<
-						DPOT_MAX_POS(dpot->devid)) |
-						value;
-					return dpot_write_r8d8(dpot, val >> 8,
-						val & 0xFF);
-				} else
-					BUG();
-			} else {
-				if (dpot->uid == DPOT_UID(AD5291_ID) ||
-					dpot->uid == DPOT_UID(AD5292_ID) ||
-					dpot->uid == DPOT_UID(AD5293_ID))
-					return dpot_write_r8d8(dpot,
-						(DPOT_AD5291_RDAC << 2) |
-						(value >> 8), value & 0xFF);
+		if (dpot->feat & F_AD_APPDATA) {
+			if (dpot->feat & F_SPI_8BIT) {
+				val = ((reg & DPOT_RDAC_MASK) <<
+					DPOT_MAX_POS(dpot->devid)) |
+					value;
+				return dpot_write_d8(dpot, val);
+			} else if (dpot->feat & F_SPI_16BIT) {
+				val = ((reg & DPOT_RDAC_MASK) <<
+					DPOT_MAX_POS(dpot->devid)) |
+					value;
+				return dpot_write_r8d8(dpot, val >> 8,
+					val & 0xFF);
+			} else
+				BUG();
+		} else {
+			if (dpot->uid == DPOT_UID(AD5291_ID) ||
+				dpot->uid == DPOT_UID(AD5292_ID) ||
+				dpot->uid == DPOT_UID(AD5293_ID))
+				return dpot_write_r8d8(dpot,
+					(DPOT_AD5291_RDAC << 2) |
+					(value >> 8), value & 0xFF);
 
-				val = DPOT_SPI_RDAC | (reg & DPOT_RDAC_MASK);
-			}
-		} else if (reg & DPOT_ADDR_EEPROM) {
-			val = DPOT_SPI_EEPROM | (reg & DPOT_RDAC_MASK);
-		} else if (reg & DPOT_ADDR_CMD) {
-			switch (reg) {
-			case DPOT_DEC_ALL_6DB:
-				val = DPOT_SPI_DEC_ALL_6DB;
-				break;
-			case DPOT_INC_ALL_6DB:
-				val = DPOT_SPI_INC_ALL_6DB;
-				break;
-			case DPOT_DEC_ALL:
-				val = DPOT_SPI_DEC_ALL;
-				break;
-			case DPOT_INC_ALL:
-				val = DPOT_SPI_INC_ALL;
-				break;
-			}
-		} else
-			BUG();
+			val = DPOT_SPI_RDAC | (reg & DPOT_RDAC_MASK);
+		}
+	} else if (reg & DPOT_ADDR_EEPROM) {
+		val = DPOT_SPI_EEPROM | (reg & DPOT_RDAC_MASK);
+	} else if (reg & DPOT_ADDR_CMD) {
+		switch (reg) {
+		case DPOT_DEC_ALL_6DB:
+			val = DPOT_SPI_DEC_ALL_6DB;
+			break;
+		case DPOT_INC_ALL_6DB:
+			val = DPOT_SPI_INC_ALL_6DB;
+			break;
+		case DPOT_DEC_ALL:
+			val = DPOT_SPI_DEC_ALL;
+			break;
+		case DPOT_INC_ALL:
+			val = DPOT_SPI_INC_ALL;
+			break;
+		}
+	} else
+		BUG();
 
-		if (dpot->feat & F_SPI_16BIT)
-			return dpot_write_r8d8(dpot, val, value);
-		else if (dpot->feat & F_SPI_24BIT)
-			return dpot_write_r8d16(dpot, val, value);
-	} else {
-		/* Only write the instruction byte for certain commands */
-		if (reg & DPOT_ADDR_CMD)
-			return dpot_write_d8(dpot, reg);
-
-		if (dpot->max_pos > 256)
-			return dpot_write_r8d16(dpot, (reg & 0xF8) |
-						((reg & 0x7) << 1), value);
-		else
-			/* All other registers require instruction + data bytes */
-			return dpot_write_r8d8(dpot, reg, value);
-
-	}
+	if (dpot->feat & F_SPI_16BIT)
+		return dpot_write_r8d8(dpot, val, value);
+	else if (dpot->feat & F_SPI_24BIT)
+		return dpot_write_r8d16(dpot, val, value);
 
 	return -EFAULT;
 }
 
+static s32 dpot_write_i2c(struct dpot_data *dpot, u8 reg, u16 value)
+{
+	/* Only write the instruction byte for certain commands */
+	unsigned ctrl = 0;
+
+	switch (dpot->uid) {
+	case DPOT_UID(AD5246_ID):
+	case DPOT_UID(AD5247_ID):
+		return dpot_write_d8(dpot, value);
+		break;
+
+	case DPOT_UID(AD5245_ID):
+	case DPOT_UID(AD5241_ID):
+	case DPOT_UID(AD5242_ID):
+	case DPOT_UID(AD5243_ID):
+	case DPOT_UID(AD5248_ID):
+		ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ? 0 : DPOT_AD5291_RDAC_AB;
+		return dpot_write_r8d8(dpot, ctrl, value);
+		break;
+
+
+	default:
+	if (reg & DPOT_ADDR_CMD)
+		return dpot_write_d8(dpot, reg);
+
+	if (dpot->max_pos > 256)
+		return dpot_write_r8d16(dpot, (reg & 0xF8) |
+					((reg & 0x7) << 1), value);
+	else
+		/* All other registers require instruction + data bytes */
+		return dpot_write_r8d8(dpot, reg, value);
+	}
+}
+
+
+static s32 dpot_write(struct dpot_data *dpot, u8 reg, u16 value)
+{
+	if (dpot->feat & F_SPI)
+		return dpot_write_spi(dpot, reg, value);
+	else
+		return dpot_write_i2c(dpot, reg, value);
+}
+
 /* sysfs functions */
 
 static ssize_t sysfs_show_reg(struct device *dev,
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 99b388e12f5..849c5d0782b 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -29,13 +29,14 @@
 
 #define F_CMD_INC		(1 << 0)	/* Features INC/DEC ALL, 6dB */
 #define F_CMD_EEP		(1 << 1)	/* Features EEPROM */
-#define F_CMD_TOL		(1 << 2)	/* RDACS are Read/Write + Tolerance REG */
-#define F_RDACS_RW		(1 << 3)	/* RDACS are Read/Write + Tolerance REG */
-#define F_RDACS_WONLY		(1 << 4)	/* RDACS are Write only */
-#define F_AD_APPDATA		(1 << 5)	/* RDAC Address append to data */
-#define F_SPI_8BIT		(1 << 6)	/* All SPI XFERS are 8-bit */
-#define F_SPI_16BIT		(1 << 7)	/* All SPI XFERS are 16-bit */
-#define F_SPI_24BIT		(1 << 8)	/* All SPI XFERS are 24-bit */
+#define F_CMD_OTP		(1 << 2)	/* Features OTP */
+#define F_CMD_TOL		(1 << 3)	/* RDACS feature Tolerance REG */
+#define F_RDACS_RW		(1 << 4)	/* RDACS are Read/Write  */
+#define F_RDACS_WONLY		(1 << 5)	/* RDACS are Write only */
+#define F_AD_APPDATA		(1 << 6)	/* RDAC Address append to data */
+#define F_SPI_8BIT		(1 << 7)	/* All SPI XFERS are 8-bit */
+#define F_SPI_16BIT		(1 << 8)	/* All SPI XFERS are 16-bit */
+#define F_SPI_24BIT		(1 << 9)	/* All SPI XFERS are 24-bit */
 
 #define F_RDACS_RW_TOL	(F_RDACS_RW | F_CMD_EEP | F_CMD_TOL)
 #define F_RDACS_RW_EEP	(F_RDACS_RW | F_CMD_EEP)
@@ -104,6 +105,15 @@ enum dpot_devid {
 			BRDAC0 | BRDAC1 | BRDAC2, 8, 31),
 	ADN2850_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT,
 			BRDAC0 | BRDAC1, 10, 32),
+	AD5241_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 33),
+	AD5242_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 34),
+	AD5243_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 35),
+	AD5245_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 36),
+	AD5246_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 37),
+	AD5247_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 38),
+	AD5248_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 39),
+
+
 };
 
 #define DPOT_RDAC0		0
@@ -146,6 +156,9 @@ enum dpot_devid {
 #define DPOT_AD5291_RDAC	0x01
 #define DPOT_AD5291_READ_RDAC	0x02
 
+/* AD524x use special commands */
+#define DPOT_AD5291_RDAC_AB	0x80
+
 struct dpot_data;
 
 struct ad_dpot_bus_ops {

From c74cba610c9559e72377fd9725a3d329581aa256 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Mon, 24 May 2010 14:33:15 -0700
Subject: [PATCH 3062/3638] ad525x_dpot: add support for ADN2860 and AD528x
 pots

New parts supported:
	AD5280, AD5282, ADN2860

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/Kconfig           |  3 ++-
 drivers/misc/ad525x_dpot-i2c.c |  3 +++
 drivers/misc/ad525x_dpot.c     | 28 +++++++++++++++++-----------
 drivers/misc/ad525x_dpot.h     |  6 ++++--
 4 files changed, 26 insertions(+), 14 deletions(-)

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 90c3415dc90..233886d0086 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -23,7 +23,8 @@ config AD525X_DPOT
 	  AD5204, AD5206, AD5207, AD5231, AD5232, AD5233, AD5235,
 	  AD5260, AD5262, AD5263, AD5290, AD5291, AD5292, AD5293,
 	  AD7376, AD8400, AD8402, AD8403, ADN2850, AD5241, AD5242,
-	  AD5243, AD5245, AD5246, AD5247, AD5248
+	  AD5243, AD5245, AD5246, AD5247, AD5248, AD5280, AD5282,
+	  ADN2860
 	  digital potentiometer chips.
 
 	  See Documentation/misc-devices/ad525x_dpot.txt for the
diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c
index 0dfad4e70f7..abba18efdde 100644
--- a/drivers/misc/ad525x_dpot-i2c.c
+++ b/drivers/misc/ad525x_dpot-i2c.c
@@ -94,6 +94,9 @@ static const struct i2c_device_id ad_dpot_id[] = {
 	{"ad5246", AD5246_ID},
 	{"ad5247", AD5247_ID},
 	{"ad5248", AD5248_ID},
+	{"ad5280", AD5280_ID},
+	{"ad5282", AD5282_ID},
+	{"adn2860", ADN2860_ID},
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, ad_dpot_id);
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index 35a4c4b343d..255ba4b5e35 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -44,6 +44,9 @@
  * AD5243		2		256		2.5, 10, 50, 100
  * AD5248		2		256		2.5, 10, 50, 100
  * AD5242		2		256		20, 50, 200
+ * AD5280		1		256		20, 50, 200
+ * AD5282		2		256		20, 50, 200
+ * ADN2860		3		512		25, 250
  *
  * See Documentation/misc-devices/ad525x_dpot.txt for more info.
  *
@@ -154,6 +157,8 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
 	case DPOT_UID(AD5242_ID):
 	case DPOT_UID(AD5243_ID):
 	case DPOT_UID(AD5248_ID):
+	case DPOT_UID(AD5280_ID):
+	case DPOT_UID(AD5282_ID):
 		ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
 			0 : DPOT_AD5291_RDAC_AB;
 		return dpot_read_r8d8(dpot, ctrl);
@@ -250,21 +255,22 @@ static s32 dpot_write_i2c(struct dpot_data *dpot, u8 reg, u16 value)
 	case DPOT_UID(AD5242_ID):
 	case DPOT_UID(AD5243_ID):
 	case DPOT_UID(AD5248_ID):
-		ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ? 0 : DPOT_AD5291_RDAC_AB;
+	case DPOT_UID(AD5280_ID):
+	case DPOT_UID(AD5282_ID):
+		ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
+			0 : DPOT_AD5291_RDAC_AB;
 		return dpot_write_r8d8(dpot, ctrl, value);
 		break;
-
-
 	default:
-	if (reg & DPOT_ADDR_CMD)
-		return dpot_write_d8(dpot, reg);
+		if (reg & DPOT_ADDR_CMD)
+			return dpot_write_d8(dpot, reg);
 
-	if (dpot->max_pos > 256)
-		return dpot_write_r8d16(dpot, (reg & 0xF8) |
-					((reg & 0x7) << 1), value);
-	else
-		/* All other registers require instruction + data bytes */
-		return dpot_write_r8d8(dpot, reg, value);
+		if (dpot->max_pos > 256)
+			return dpot_write_r8d16(dpot, (reg & 0xF8) |
+						((reg & 0x7) << 1), value);
+		else
+			/* All other registers require instruction + data bytes */
+			return dpot_write_r8d8(dpot, reg, value);
 	}
 }
 
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 849c5d0782b..d789a95cbe0 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -112,8 +112,10 @@ enum dpot_devid {
 	AD5246_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 37),
 	AD5247_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 38),
 	AD5248_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 39),
-
-
+	AD5280_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 40),
+	AD5282_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 41),
+	ADN2860_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
+			BRDAC0 | BRDAC1 | BRDAC2, 9, 42),
 };
 
 #define DPOT_RDAC0		0

From 59592d0ccc0000d74ea5fc2a59e3ec0c9ef1fb13 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Mon, 24 May 2010 14:33:16 -0700
Subject: [PATCH 3063/3638] ad525x_dpot: add support for one time programmable
 pots

New parts supported:
	AD5170, AD5171, AD5172, AD5173, AD5273

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/Kconfig           |   2 +-
 drivers/misc/ad525x_dpot-i2c.c |   5 ++
 drivers/misc/ad525x_dpot.c     | 121 +++++++++++++++++++++++++++++++--
 drivers/misc/ad525x_dpot.h     |  40 +++++++----
 4 files changed, 149 insertions(+), 19 deletions(-)

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 233886d0086..26386a92f5a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -24,7 +24,7 @@ config AD525X_DPOT
 	  AD5260, AD5262, AD5263, AD5290, AD5291, AD5292, AD5293,
 	  AD7376, AD8400, AD8402, AD8403, ADN2850, AD5241, AD5242,
 	  AD5243, AD5245, AD5246, AD5247, AD5248, AD5280, AD5282,
-	  ADN2860
+	  ADN2860, AD5273, AD5171, AD5170, AD5172, AD5173
 	  digital potentiometer chips.
 
 	  See Documentation/misc-devices/ad525x_dpot.txt for the
diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c
index abba18efdde..374352af797 100644
--- a/drivers/misc/ad525x_dpot-i2c.c
+++ b/drivers/misc/ad525x_dpot-i2c.c
@@ -97,6 +97,11 @@ static const struct i2c_device_id ad_dpot_id[] = {
 	{"ad5280", AD5280_ID},
 	{"ad5282", AD5282_ID},
 	{"adn2860", ADN2860_ID},
+	{"ad5273", AD5273_ID},
+	{"ad5171", AD5171_ID},
+	{"ad5170", AD5170_ID},
+	{"ad5172", AD5172_ID},
+	{"ad5173", AD5173_ID},
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, ad_dpot_id);
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index 255ba4b5e35..5e6fa8449e8 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -47,6 +47,11 @@
  * AD5280		1		256		20, 50, 200
  * AD5282		2		256		20, 50, 200
  * ADN2860		3		512		25, 250
+ * AD5273		1		64		1, 10, 50, 100 (OTP)
+ * AD5171		1		64		5, 10, 50, 100 (OTP)
+ * AD5170		1		256		2.5, 10, 50, 100 (OTP)
+ * AD5172		2		256		2.5, 10, 50, 100 (OTP)
+ * AD5173		2		256		2.5, 10, 50, 100 (OTP)
  *
  * See Documentation/misc-devices/ad525x_dpot.txt for more info.
  *
@@ -84,7 +89,8 @@ struct dpot_data {
 	unsigned uid;
 	unsigned feat;
 	unsigned wipers;
-	u16 rdac_cache[8];
+	u16 rdac_cache[MAX_RDACS];
+	DECLARE_BITMAP(otp_en_mask, MAX_RDACS);
 };
 
 static inline int dpot_read_d8(struct dpot_data *dpot)
@@ -162,6 +168,15 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
 		ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
 			0 : DPOT_AD5291_RDAC_AB;
 		return dpot_read_r8d8(dpot, ctrl);
+	case DPOT_UID(AD5170_ID):
+	case DPOT_UID(AD5171_ID):
+	case DPOT_UID(AD5273_ID):
+			return dpot_read_d8(dpot);
+	case DPOT_UID(AD5172_ID):
+	case DPOT_UID(AD5173_ID):
+		ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
+			0 : DPOT_AD5272_3_A0;
+		return dpot_read_r8d8(dpot, ctrl);
 	default:
 		if ((reg & DPOT_REG_TOL) || (dpot->max_pos > 256))
 			return dpot_read_r8d16(dpot, (reg & 0xF8) |
@@ -242,7 +257,7 @@ static s32 dpot_write_spi(struct dpot_data *dpot, u8 reg, u16 value)
 static s32 dpot_write_i2c(struct dpot_data *dpot, u8 reg, u16 value)
 {
 	/* Only write the instruction byte for certain commands */
-	unsigned ctrl = 0;
+	unsigned tmp = 0, ctrl = 0;
 
 	switch (dpot->uid) {
 	case DPOT_UID(AD5246_ID):
@@ -261,6 +276,37 @@ static s32 dpot_write_i2c(struct dpot_data *dpot, u8 reg, u16 value)
 			0 : DPOT_AD5291_RDAC_AB;
 		return dpot_write_r8d8(dpot, ctrl, value);
 		break;
+	case DPOT_UID(AD5171_ID):
+	case DPOT_UID(AD5273_ID):
+		if (reg & DPOT_ADDR_OTP) {
+			tmp = dpot_read_d8(dpot);
+			if (tmp >> 6) /* Ready to Program? */
+				return -EFAULT;
+			ctrl = DPOT_AD5273_FUSE;
+		}
+		return dpot_write_r8d8(dpot, ctrl, value);
+		break;
+	case DPOT_UID(AD5172_ID):
+	case DPOT_UID(AD5173_ID):
+		ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
+			0 : DPOT_AD5272_3_A0;
+		if (reg & DPOT_ADDR_OTP) {
+			tmp = dpot_read_r8d16(dpot, ctrl);
+			if (tmp >> 14) /* Ready to Program? */
+				return -EFAULT;
+			ctrl |= DPOT_AD5270_2_3_FUSE;
+		}
+		return dpot_write_r8d8(dpot, ctrl, value);
+		break;
+	case DPOT_UID(AD5170_ID):
+		if (reg & DPOT_ADDR_OTP) {
+			tmp = dpot_read_r8d16(dpot, tmp);
+			if (tmp >> 14) /* Ready to Program? */
+				return -EFAULT;
+			ctrl = DPOT_AD5270_2_3_FUSE;
+		}
+		return dpot_write_r8d8(dpot, ctrl, value);
+		break;
 	default:
 		if (reg & DPOT_ADDR_CMD)
 			return dpot_write_d8(dpot, reg);
@@ -292,6 +338,12 @@ static ssize_t sysfs_show_reg(struct device *dev,
 	struct dpot_data *data = dev_get_drvdata(dev);
 	s32 value;
 
+	if (reg & DPOT_ADDR_OTP_EN)
+		return sprintf(buf, "%s\n",
+			test_bit(DPOT_RDAC_MASK & reg, data->otp_en_mask) ?
+			"enabled" : "disabled");
+
+
 	mutex_lock(&data->update_lock);
 	value = dpot_read(data, reg);
 	mutex_unlock(&data->update_lock);
@@ -320,6 +372,19 @@ static ssize_t sysfs_set_reg(struct device *dev,
 	unsigned long value;
 	int err;
 
+	if (reg & DPOT_ADDR_OTP_EN) {
+		if (!strncmp(buf, "enabled", sizeof("enabled")))
+			set_bit(DPOT_RDAC_MASK & reg, data->otp_en_mask);
+		else
+			clear_bit(DPOT_RDAC_MASK & reg, data->otp_en_mask);
+
+		return count;
+	}
+
+	if ((reg & DPOT_ADDR_OTP) &&
+		!test_bit(DPOT_RDAC_MASK & reg, data->otp_en_mask))
+		return -EPERM;
+
 	err = strict_strtoul(buf, 10, &value);
 	if (err)
 		return err;
@@ -331,6 +396,8 @@ static ssize_t sysfs_set_reg(struct device *dev,
 	dpot_write(data, reg, value);
 	if (reg & DPOT_ADDR_EEPROM)
 		msleep(26);	/* Sleep while the EEPROM updates */
+	else if (reg & DPOT_ADDR_OTP)
+		msleep(400);	/* Sleep while the OTP updates */
 	mutex_unlock(&data->update_lock);
 
 	return count;
@@ -378,26 +445,38 @@ static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, NULL);
 DPOT_DEVICE_SHOW_SET(rdac0, DPOT_ADDR_RDAC | DPOT_RDAC0);
 DPOT_DEVICE_SHOW_SET(eeprom0, DPOT_ADDR_EEPROM | DPOT_RDAC0);
 DPOT_DEVICE_SHOW_ONLY(tolerance0, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC0);
+DPOT_DEVICE_SHOW_SET(otp0, DPOT_ADDR_OTP | DPOT_RDAC0);
+DPOT_DEVICE_SHOW_SET(otp0en, DPOT_ADDR_OTP_EN | DPOT_RDAC0);
 
 DPOT_DEVICE_SHOW_SET(rdac1, DPOT_ADDR_RDAC | DPOT_RDAC1);
 DPOT_DEVICE_SHOW_SET(eeprom1, DPOT_ADDR_EEPROM | DPOT_RDAC1);
 DPOT_DEVICE_SHOW_ONLY(tolerance1, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC1);
+DPOT_DEVICE_SHOW_SET(otp1, DPOT_ADDR_OTP | DPOT_RDAC1);
+DPOT_DEVICE_SHOW_SET(otp1en, DPOT_ADDR_OTP_EN | DPOT_RDAC1);
 
 DPOT_DEVICE_SHOW_SET(rdac2, DPOT_ADDR_RDAC | DPOT_RDAC2);
 DPOT_DEVICE_SHOW_SET(eeprom2, DPOT_ADDR_EEPROM | DPOT_RDAC2);
 DPOT_DEVICE_SHOW_ONLY(tolerance2, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC2);
+DPOT_DEVICE_SHOW_SET(otp2, DPOT_ADDR_OTP | DPOT_RDAC2);
+DPOT_DEVICE_SHOW_SET(otp2en, DPOT_ADDR_OTP_EN | DPOT_RDAC2);
 
 DPOT_DEVICE_SHOW_SET(rdac3, DPOT_ADDR_RDAC | DPOT_RDAC3);
 DPOT_DEVICE_SHOW_SET(eeprom3, DPOT_ADDR_EEPROM | DPOT_RDAC3);
 DPOT_DEVICE_SHOW_ONLY(tolerance3, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC3);
+DPOT_DEVICE_SHOW_SET(otp3, DPOT_ADDR_OTP | DPOT_RDAC3);
+DPOT_DEVICE_SHOW_SET(otp3en, DPOT_ADDR_OTP_EN | DPOT_RDAC3);
 
 DPOT_DEVICE_SHOW_SET(rdac4, DPOT_ADDR_RDAC | DPOT_RDAC4);
 DPOT_DEVICE_SHOW_SET(eeprom4, DPOT_ADDR_EEPROM | DPOT_RDAC4);
 DPOT_DEVICE_SHOW_ONLY(tolerance4, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC4);
+DPOT_DEVICE_SHOW_SET(otp4, DPOT_ADDR_OTP | DPOT_RDAC4);
+DPOT_DEVICE_SHOW_SET(otp4en, DPOT_ADDR_OTP_EN | DPOT_RDAC4);
 
 DPOT_DEVICE_SHOW_SET(rdac5, DPOT_ADDR_RDAC | DPOT_RDAC5);
 DPOT_DEVICE_SHOW_SET(eeprom5, DPOT_ADDR_EEPROM | DPOT_RDAC5);
 DPOT_DEVICE_SHOW_ONLY(tolerance5, DPOT_ADDR_EEPROM | DPOT_TOL_RDAC5);
+DPOT_DEVICE_SHOW_SET(otp5, DPOT_ADDR_OTP | DPOT_RDAC5);
+DPOT_DEVICE_SHOW_SET(otp5en, DPOT_ADDR_OTP_EN | DPOT_RDAC5);
 
 static const struct attribute *dpot_attrib_wipers[] = {
 	&dev_attr_rdac0.attr,
@@ -419,6 +498,26 @@ static const struct attribute *dpot_attrib_eeprom[] = {
 	NULL
 };
 
+static const struct attribute *dpot_attrib_otp[] = {
+	&dev_attr_otp0.attr,
+	&dev_attr_otp1.attr,
+	&dev_attr_otp2.attr,
+	&dev_attr_otp3.attr,
+	&dev_attr_otp4.attr,
+	&dev_attr_otp5.attr,
+	NULL
+};
+
+static const struct attribute *dpot_attrib_otp_en[] = {
+	&dev_attr_otp0en.attr,
+	&dev_attr_otp1en.attr,
+	&dev_attr_otp2en.attr,
+	&dev_attr_otp3en.attr,
+	&dev_attr_otp4en.attr,
+	&dev_attr_otp5en.attr,
+	NULL
+};
+
 static const struct attribute *dpot_attrib_tolerance[] = {
 	&dev_attr_tolerance0.attr,
 	&dev_attr_tolerance1.attr,
@@ -468,6 +567,12 @@ __devinit int ad_dpot_add_files(struct device *dev,
 	if (features & F_CMD_TOL)
 		err |= sysfs_create_file(&dev->kobj,
 			dpot_attrib_tolerance[rdac]);
+	if (features & F_CMD_OTP) {
+		err |= sysfs_create_file(&dev->kobj,
+			dpot_attrib_otp_en[rdac]);
+		err |= sysfs_create_file(&dev->kobj,
+			dpot_attrib_otp[rdac]);
+	}
 
 	if (err)
 		dev_err(dev, "failed to register sysfs hooks for RDAC%d\n",
@@ -487,6 +592,12 @@ inline void ad_dpot_remove_files(struct device *dev,
 	if (features & F_CMD_TOL)
 		sysfs_remove_file(&dev->kobj,
 			dpot_attrib_tolerance[rdac]);
+	if (features & F_CMD_OTP) {
+		sysfs_remove_file(&dev->kobj,
+			dpot_attrib_otp_en[rdac]);
+		sysfs_remove_file(&dev->kobj,
+			dpot_attrib_otp[rdac]);
+	}
 }
 
 __devinit int ad_dpot_probe(struct device *dev,
@@ -514,7 +625,7 @@ __devinit int ad_dpot_probe(struct device *dev,
 	data->uid = DPOT_UID(data->devid);
 	data->wipers = DPOT_WIPERS(data->devid);
 
-	for (i = DPOT_RDAC0; i <= DPOT_RDAC5; i++)
+	for (i = DPOT_RDAC0; i < MAX_RDACS; i++)
 		if (data->wipers & (1 << i)) {
 			err = ad_dpot_add_files(dev, data->feat, i);
 			if (err)
@@ -538,7 +649,7 @@ __devinit int ad_dpot_probe(struct device *dev,
 	return 0;
 
 exit_remove_files:
-	for (i = DPOT_RDAC0; i <= DPOT_RDAC5; i++)
+	for (i = DPOT_RDAC0; i < MAX_RDACS; i++)
 		if (data->wipers & (1 << i))
 			ad_dpot_remove_files(dev, data->feat, i);
 
@@ -557,7 +668,7 @@ __devexit int ad_dpot_remove(struct device *dev)
 	struct dpot_data *data = dev_get_drvdata(dev);
 	int i;
 
-	for (i = DPOT_RDAC0; i <= DPOT_RDAC5; i++)
+	for (i = DPOT_RDAC0; i < MAX_RDACS; i++)
 		if (data->wipers & (1 << i))
 			ad_dpot_remove_files(dev, data->feat, i);
 
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index d789a95cbe0..78b89fd2e2f 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -15,17 +15,18 @@
 		(((features) << 18) | (((wipers) & 0xFF) << 10) | \
 		((max_pos & 0xF) << 6) | (uid & 0x3F))
 
-#define DPOT_UID(conf) (conf & 0x3F)
-#define DPOT_MAX_POS(conf) ((conf >> 6) & 0xF)
-#define DPOT_WIPERS(conf) ((conf >> 10) & 0xFF)
-#define DPOT_FEAT(conf) (conf >> 18)
+#define DPOT_UID(conf)		(conf & 0x3F)
+#define DPOT_MAX_POS(conf)	((conf >> 6) & 0xF)
+#define DPOT_WIPERS(conf)	((conf >> 10) & 0xFF)
+#define DPOT_FEAT(conf)		(conf >> 18)
 
-#define BRDAC0	(1 << 0)
-#define BRDAC1	(1 << 1)
-#define BRDAC2	(1 << 2)
-#define BRDAC3	(1 << 3)
-#define BRDAC4	(1 << 4)
-#define BRDAC5	(1 << 5)
+#define BRDAC0			(1 << 0)
+#define BRDAC1			(1 << 1)
+#define BRDAC2			(1 << 2)
+#define BRDAC3			(1 << 3)
+#define BRDAC4			(1 << 4)
+#define BRDAC5			(1 << 5)
+#define MAX_RDACS		6
 
 #define F_CMD_INC		(1 << 0)	/* Features INC/DEC ALL, 6dB */
 #define F_CMD_EEP		(1 << 1)	/* Features EEPROM */
@@ -116,6 +117,11 @@ enum dpot_devid {
 	AD5282_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 41),
 	ADN2860_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
 			BRDAC0 | BRDAC1 | BRDAC2, 9, 42),
+	AD5273_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 6, 43),
+	AD5171_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 6, 44),
+	AD5170_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 8, 45),
+	AD5172_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0 | BRDAC1, 8, 46),
+	AD5173_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0 | BRDAC1, 8, 47),
 };
 
 #define DPOT_RDAC0		0
@@ -136,9 +142,11 @@ enum dpot_devid {
 #define DPOT_TOL_RDAC5		(DPOT_REG_TOL | DPOT_RDAC5)
 
 /* RDAC-to-EEPROM Interface Commands */
-#define DPOT_ADDR_RDAC		(0x00 << 5)
-#define DPOT_ADDR_EEPROM	(0x01 << 5)
-#define DPOT_ADDR_CMD		(0x80)
+#define DPOT_ADDR_RDAC		(0x0 << 5)
+#define DPOT_ADDR_EEPROM	(0x1 << 5)
+#define DPOT_ADDR_OTP		(0x1 << 6)
+#define DPOT_ADDR_CMD		(0x1 << 7)
+#define DPOT_ADDR_OTP_EN	(0x1 << 9)
 
 #define DPOT_DEC_ALL_6DB	(DPOT_ADDR_CMD | (0x4 << 3))
 #define DPOT_INC_ALL_6DB	(DPOT_ADDR_CMD | (0x9 << 3))
@@ -161,6 +169,12 @@ enum dpot_devid {
 /* AD524x use special commands */
 #define DPOT_AD5291_RDAC_AB	0x80
 
+#define DPOT_AD5273_FUSE	0x80
+#define DPOT_AD5270_2_3_FUSE	0x20
+#define DPOT_AD5270_2_3_OW	0x08
+#define DPOT_AD5272_3_A0	0x08
+#define DPOT_AD5270_2FUSE	0x80
+
 struct dpot_data;
 
 struct ad_dpot_bus_ops {

From cf3b429b03e827c718030f42e7e3ceaca980475e Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 24 May 2010 14:33:16 -0700
Subject: [PATCH 3064/3638] vsprintf.c: use noinline_for_stack

Mark static functions with noinline_for_stack

Before:

  akpm:/usr/src/25> objdump -d lib/vsprintf.o | perl scripts/checkstack.pl
  0x00000e82 pointer [vsprintf.o]:                        344
  0x0000198c pointer [vsprintf.o]:                        344
  0x000025d6 scnprintf [vsprintf.o]:                      216
  0x00002648 scnprintf [vsprintf.o]:                      216
  0x00002565 snprintf [vsprintf.o]:                       208
  0x0000267c sprintf [vsprintf.o]:                        208
  0x000030a3 bprintf [vsprintf.o]:                        208
  0x00003b1e sscanf [vsprintf.o]:                         208
  0x00000608 number [vsprintf.o]:                         136
  0x00000937 number [vsprintf.o]:                         136

After:

  akpm:/usr/src/25> objdump -d lib/vsprintf.o | perl scripts/checkstack.pl
  0x00000a7c symbol_string [vsprintf.o]:                  248
  0x00000ae8 symbol_string [vsprintf.o]:                  248
  0x00002310 scnprintf [vsprintf.o]:                      216
  0x00002382 scnprintf [vsprintf.o]:                      216
  0x0000229f snprintf [vsprintf.o]:                       208
  0x000023b6 sprintf [vsprintf.o]:                        208
  0x00002ddd bprintf [vsprintf.o]:                        208
  0x00003858 sscanf [vsprintf.o]:                         208
  0x00000625 number [vsprintf.o]:                         136
  0x00000954 number [vsprintf.o]:                         136

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/vsprintf.c | 67 +++++++++++++++++++++++++++++++-------------------
 1 file changed, 42 insertions(+), 25 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 20c95121d8a..b8a2f549ab0 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -267,7 +267,8 @@ int strict_strtoll(const char *cp, unsigned int base, long long *res)
 }
 EXPORT_SYMBOL(strict_strtoll);
 
-static int skip_atoi(const char **s)
+static noinline_for_stack
+int skip_atoi(const char **s)
 {
 	int i = 0;
 
@@ -287,7 +288,8 @@ static int skip_atoi(const char **s)
 /* Formats correctly any integer in [0,99999].
  * Outputs from one to five digits depending on input.
  * On i386 gcc 4.1.2 -O2: ~250 bytes of code. */
-static char *put_dec_trunc(char *buf, unsigned q)
+static noinline_for_stack
+char *put_dec_trunc(char *buf, unsigned q)
 {
 	unsigned d3, d2, d1, d0;
 	d1 = (q>>4) & 0xf;
@@ -324,7 +326,8 @@ static char *put_dec_trunc(char *buf, unsigned q)
 	return buf;
 }
 /* Same with if's removed. Always emits five digits */
-static char *put_dec_full(char *buf, unsigned q)
+static noinline_for_stack
+char *put_dec_full(char *buf, unsigned q)
 {
 	/* BTW, if q is in [0,9999], 8-bit ints will be enough, */
 	/* but anyway, gcc produces better code with full-sized ints */
@@ -366,7 +369,8 @@ static char *put_dec_full(char *buf, unsigned q)
 	return buf;
 }
 /* No inlining helps gcc to use registers better */
-static noinline char *put_dec(char *buf, unsigned long long num)
+static noinline_for_stack
+char *put_dec(char *buf, unsigned long long num)
 {
 	while (1) {
 		unsigned rem;
@@ -417,8 +421,9 @@ struct printf_spec {
 	s16	precision;	/* # of digits/chars */
 };
 
-static char *number(char *buf, char *end, unsigned long long num,
-			struct printf_spec spec)
+static noinline_for_stack
+char *number(char *buf, char *end, unsigned long long num,
+	     struct printf_spec spec)
 {
 	/* we are called with base 8, 10 or 16, only, thus don't need "G..."  */
 	static const char digits[16] = "0123456789ABCDEF"; /* "GHIJKLMNOPQRSTUVWXYZ"; */
@@ -537,7 +542,8 @@ static char *number(char *buf, char *end, unsigned long long num,
 	return buf;
 }
 
-static char *string(char *buf, char *end, const char *s, struct printf_spec spec)
+static noinline_for_stack
+char *string(char *buf, char *end, const char *s, struct printf_spec spec)
 {
 	int len, i;
 
@@ -567,8 +573,9 @@ static char *string(char *buf, char *end, const char *s, struct printf_spec spec
 	return buf;
 }
 
-static char *symbol_string(char *buf, char *end, void *ptr,
-				struct printf_spec spec, char ext)
+static noinline_for_stack
+char *symbol_string(char *buf, char *end, void *ptr,
+		    struct printf_spec spec, char ext)
 {
 	unsigned long value = (unsigned long) ptr;
 #ifdef CONFIG_KALLSYMS
@@ -588,8 +595,9 @@ static char *symbol_string(char *buf, char *end, void *ptr,
 #endif
 }
 
-static char *resource_string(char *buf, char *end, struct resource *res,
-				struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *resource_string(char *buf, char *end, struct resource *res,
+		      struct printf_spec spec, const char *fmt)
 {
 #ifndef IO_RSRC_PRINTK_SIZE
 #define IO_RSRC_PRINTK_SIZE	6
@@ -690,8 +698,9 @@ static char *resource_string(char *buf, char *end, struct resource *res,
 	return string(buf, end, sym, spec);
 }
 
-static char *mac_address_string(char *buf, char *end, u8 *addr,
-				struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *mac_address_string(char *buf, char *end, u8 *addr,
+			 struct printf_spec spec, const char *fmt)
 {
 	char mac_addr[sizeof("xx:xx:xx:xx:xx:xx")];
 	char *p = mac_addr;
@@ -714,7 +723,8 @@ static char *mac_address_string(char *buf, char *end, u8 *addr,
 	return string(buf, end, mac_addr, spec);
 }
 
-static char *ip4_string(char *p, const u8 *addr, const char *fmt)
+static noinline_for_stack
+char *ip4_string(char *p, const u8 *addr, const char *fmt)
 {
 	int i;
 	bool leading_zeros = (fmt[0] == 'i');
@@ -763,7 +773,8 @@ static char *ip4_string(char *p, const u8 *addr, const char *fmt)
 	return p;
 }
 
-static char *ip6_compressed_string(char *p, const char *addr)
+static noinline_for_stack
+char *ip6_compressed_string(char *p, const char *addr)
 {
 	int i, j, range;
 	unsigned char zerolength[8];
@@ -843,7 +854,8 @@ static char *ip6_compressed_string(char *p, const char *addr)
 	return p;
 }
 
-static char *ip6_string(char *p, const char *addr, const char *fmt)
+static noinline_for_stack
+char *ip6_string(char *p, const char *addr, const char *fmt)
 {
 	int i;
 
@@ -858,8 +870,9 @@ static char *ip6_string(char *p, const char *addr, const char *fmt)
 	return p;
 }
 
-static char *ip6_addr_string(char *buf, char *end, const u8 *addr,
-			     struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *ip6_addr_string(char *buf, char *end, const u8 *addr,
+		      struct printf_spec spec, const char *fmt)
 {
 	char ip6_addr[sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255")];
 
@@ -871,8 +884,9 @@ static char *ip6_addr_string(char *buf, char *end, const u8 *addr,
 	return string(buf, end, ip6_addr, spec);
 }
 
-static char *ip4_addr_string(char *buf, char *end, const u8 *addr,
-			     struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *ip4_addr_string(char *buf, char *end, const u8 *addr,
+		      struct printf_spec spec, const char *fmt)
 {
 	char ip4_addr[sizeof("255.255.255.255")];
 
@@ -881,8 +895,9 @@ static char *ip4_addr_string(char *buf, char *end, const u8 *addr,
 	return string(buf, end, ip4_addr, spec);
 }
 
-static char *uuid_string(char *buf, char *end, const u8 *addr,
-			 struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *uuid_string(char *buf, char *end, const u8 *addr,
+		  struct printf_spec spec, const char *fmt)
 {
 	char uuid[sizeof("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx")];
 	char *p = uuid;
@@ -970,8 +985,9 @@ static char *uuid_string(char *buf, char *end, const u8 *addr,
  * function pointers are really function descriptors, which contain a
  * pointer to the real address.
  */
-static char *pointer(const char *fmt, char *buf, char *end, void *ptr,
-			struct printf_spec spec)
+static noinline_for_stack
+char *pointer(const char *fmt, char *buf, char *end, void *ptr,
+	      struct printf_spec spec)
 {
 	if (!ptr)
 		return string(buf, end, "(null)", spec);
@@ -1040,7 +1056,8 @@ static char *pointer(const char *fmt, char *buf, char *end, void *ptr,
  * @precision: precision of a number
  * @qualifier: qualifier of a number (long, size_t, ...)
  */
-static int format_decode(const char *fmt, struct printf_spec *spec)
+static noinline_for_stack
+int format_decode(const char *fmt, struct printf_spec *spec)
 {
 	const char *start = fmt;
 

From e4d26b027a0b7e289fdc542fe06535329b457dd5 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 24 May 2010 14:33:17 -0700
Subject: [PATCH 3065/3638] scripts/get_maintainer.pl: optionally ignore
 non-maintainer signatures

When using --git to determine who to send a patch to, get_maintainers will
currently include all signatures.  This can include signers that simply
report an issue or test a patch.  Signers that use this tag are not
necessarily good candidates to review new patches.

This patch allows get_maintainers to optionally restrict output to only
signatures that use Signed-off-by:, Acked-by:, or Reviewed-by:.

Signed-off-by: is included because those are people who are responsible
for the code.

Acked-by: is questionable, but as signers that use this tag tend to be
active linux gatekeepers, false positives are tolerable.

Reviewed-by: is included because signers responsible for the code thought
that the review feedback for a changeset by that signer was valuable.

This patch has been modified from Florian's original submission to change
the supported signature types to the canonical forms and use slightly
different spacing.  A couple of spacing issues were also corrected in the
original source.  The command line argument was also renamed.

Original-patch-by: Florian Mickler <florian@mickler.org>
Signed-off-by: Florian Mickler <florian@mickler.org>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/get_maintainer.pl | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 6f97a13bcee..f66018d1d5e 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -25,6 +25,7 @@ my $email_list = 1;
 my $email_subscriber_list = 0;
 my $email_git_penguin_chiefs = 0;
 my $email_git = 1;
+my $email_git_all_signature_types = 1;
 my $email_git_blame = 0;
 my $email_git_min_signatures = 1;
 my $email_git_max_maintainers = 5;
@@ -51,9 +52,9 @@ my $help = 0;
 my $exit = 0;
 
 my @penguin_chief = ();
-push(@penguin_chief,"Linus Torvalds:torvalds\@linux-foundation.org");
+push(@penguin_chief, "Linus Torvalds:torvalds\@linux-foundation.org");
 #Andrew wants in on most everything - 2009/01/14
-#push(@penguin_chief,"Andrew Morton:akpm\@linux-foundation.org");
+#push(@penguin_chief, "Andrew Morton:akpm\@linux-foundation.org");
 
 my @penguin_chief_names = ();
 foreach my $chief (@penguin_chief) {
@@ -63,7 +64,16 @@ foreach my $chief (@penguin_chief) {
 	push(@penguin_chief_names, $chief_name);
     }
 }
-my $penguin_chiefs = "\(" . join("|",@penguin_chief_names) . "\)";
+my $penguin_chiefs = "\(" . join("|", @penguin_chief_names) . "\)";
+
+# Signature types of people who are either
+# 	a) responsible for the code in question, or
+# 	b) familiar enough with it to give relevant feedback
+my @signature_tags = ();
+push(@signature_tags, "Signed-off-by:");
+push(@signature_tags, "Reviewed-by:");
+push(@signature_tags, "Acked-by:");
+my $signaturePattern = "\(" . join("|", @signature_tags) . "\)";
 
 # rfc822 email address - preloaded methods go here.
 my $rfc822_lwsp = "(?:(?:\\r\\n)?[ \\t])";
@@ -100,6 +110,7 @@ my %VCS_cmds_hg = (
 if (!GetOptions(
 		'email!' => \$email,
 		'git!' => \$email_git,
+		'git-all-signature-types!' => \$email_git_all_signature_types,
 		'git-blame!' => \$email_git_blame,
 		'git-chief-penguins!' => \$email_git_penguin_chiefs,
 		'git-min-signatures=i' => \$email_git_min_signatures,
@@ -180,6 +191,10 @@ if (!top_of_kernel_tree($lk_path)) {
 	. "a linux kernel source tree.\n";
 }
 
+if ($email_git_all_signature_types) {
+    $signaturePattern = "(.+?)[Bb][Yy]:";
+}
+
 ## Read MAINTAINERS for type/value pairs
 
 my @typevalue = ();
@@ -497,13 +512,15 @@ version: $V
 MAINTAINER field selection options:
   --email => print email address(es) if any
     --git => include recent git \*-by: signers
+    --git-all-signature-types => include signers regardless of signature type
+        or use only ${signaturePattern} signers (default: $email_git_all_signature_types)
     --git-chief-penguins => include ${penguin_chiefs}
-    --git-min-signatures => number of signatures required (default: 1)
-    --git-max-maintainers => maximum maintainers to add (default: 5)
-    --git-min-percent => minimum percentage of commits required (default: 5)
+    --git-min-signatures => number of signatures required (default: $email_git_min_signatures)
+    --git-max-maintainers => maximum maintainers to add (default: $email_git_max_maintainers)
+    --git-min-percent => minimum percentage of commits required (default: $email_git_min_percent)
     --git-blame => use git blame to find modified commits for patch or file
-    --git-since => git history to use (default: 1-year-ago)
-    --hg-since => hg history to use (default: -365)
+    --git-since => git history to use (default: $email_git_since)
+    --hg-since => hg history to use (default: $email_hg_since)
     --m => include maintainer(s) if any
     --n => include name 'Full Name <addr\@domain.tld>'
     --l => include list(s) if any
@@ -964,7 +981,7 @@ sub vcs_find_signers {
 
     $commits = grep(/$pattern/, @lines);	# of commits
 
-    @lines = grep(/^[-_ 	a-z]+by:.*\@.*$/i, @lines);
+    @lines = grep(/^[ \t]*${signaturePattern}.*\@.*$/, @lines);
     if (!$email_git_penguin_chiefs) {
 	@lines = grep(!/${penguin_chiefs}/i, @lines);
     }

From 368669da205cd7aac33a2c75f4c81b5ad28efd67 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 24 May 2010 14:33:19 -0700
Subject: [PATCH 3066/3638] scripts/get_maintainer.pl: add .get_maintainer.conf
 default options file

Allow the use of a .get_maintainer.conf file to control the default
options applied when scripts/get_maintainer.pl is run.

.get_maintainer.conf can contain any valid command-line argument.

File contents are prepended to any additional command line arguments.

Multiple lines may be used, blank lines ignored, # is a comment.

Updated scripts/get_maintainer.pl version to 0.24

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Florian Mickler <florian@mickler.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/get_maintainer.pl | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index f66018d1d5e..b82ac95ef2f 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -13,7 +13,7 @@
 use strict;
 
 my $P = $0;
-my $V = '0.23';
+my $V = '0.24';
 
 use Getopt::Long qw(:config no_auto_abbrev);
 
@@ -107,6 +107,30 @@ my %VCS_cmds_hg = (
     "blame_commit_pattern" => "^([0-9a-f]+):"
 );
 
+if (-f "${lk_path}.get_maintainer.conf") {
+    my @conf_args;
+    open(my $conffile, '<', "${lk_path}.get_maintainer.conf")
+	or warn "$P: Can't open .get_maintainer.conf: $!\n";
+    while (<$conffile>) {
+	my $line = $_;
+
+	$line =~ s/\s*\n?$//g;
+	$line =~ s/^\s*//g;
+	$line =~ s/\s+/ /g;
+
+	next if ($line =~ m/^\s*#/);
+	next if ($line =~ m/^\s*$/);
+
+	my @words = split(" ", $line);
+	foreach my $word (@words) {
+	    last if ($word =~ m/^#/);
+	    push (@conf_args, $word);
+	}
+    }
+    close($conffile);
+    unshift(@ARGV, @conf_args) if @conf_args;
+}
+
 if (!GetOptions(
 		'email!' => \$email,
 		'git!' => \$email_git,
@@ -573,6 +597,11 @@ Notes:
           --git-min-signatures, --git-max-maintainers, --git-min-percent, and
           --git-blame
       Use --hg-since not --git-since to control date selection
+  File ".get_maintainer.conf", if it exists in the linux kernel source root
+      directory, can change whatever get_maintainer defaults are desired.
+      Entries in this file can be any command line argument.
+      This file is prepended to any additional command line arguments.
+      Multiple lines and # comments are allowed.
 EOT
 }
 

From 0fa05599009ed36304d490064888d0252d656add Mon Sep 17 00:00:00 2001
From: Florian Mickler <florian@mickler.org>
Date: Mon, 24 May 2010 14:33:20 -0700
Subject: [PATCH 3067/3638] scripts/get_maintainer.pl: default to not include
 unspecified tags

This changes the default of the option --git-all-signature-types to be
disabled by default.

The effect being, that only certain (currently Signed-Off-By:, Acked-by:
and Reviewed-By:) tags are used to get adresses of potential maintainers.

Motivated is this change by the desire to not 'spam' people unnecessary: A
Tested-By or a Reported-By is not ment as a hint that those people want
to/are able to review patches to the code in question.

In a quest to find resilient statistics for this i came up with this:

I produced a list of all the tag-signers not already covered with a
signed-off/acked/reviewed tag somewhere in the last year of git history.

Those were 650 addresses of "assumed non-developers".

And to check if those "assumed non-developers" are professional
testers/reporters worth cc'ing, i then counted their total appearences
in the git log:

469 were mentioned only once.
123 were mentioned twice.
38 three times
8 four times
5 six times
5 five times
1 eight times
1 fourteen times

I believe this supports my thesis, that the ''non-maintainer-tags'' are
not actively useful for patch-review.  (except probably the guy mentioned
fourteen times...)

But of course one could also find arguments to poke holes in this
statistics, for example does this statistic not include code-locality: A
tested-by on a patch that touches some specific piece of code can be more
worth than a signed-off in another part of the tree.

But...  let's play it safe and let's err on the "safe" side meaning to not
spam those people when in doubt.  We already have the signed-off's and
Maintainers file.  So this should be ok.  And if need be, the maintainers
can always forward the patch.

[i probably could make a diploma thesis out of this changelog :)]

Signed-off-by: Florian Mickler <florian@mickler.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Joe Perches <joe@perches.com>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/get_maintainer.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index b82ac95ef2f..b2281982f52 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -25,7 +25,7 @@ my $email_list = 1;
 my $email_subscriber_list = 0;
 my $email_git_penguin_chiefs = 0;
 my $email_git = 1;
-my $email_git_all_signature_types = 1;
+my $email_git_all_signature_types = 0;
 my $email_git_blame = 0;
 my $email_git_min_signatures = 1;
 my $email_git_max_maintainers = 5;

From ea46c8f774f295c45fac48101d54be347d3d453b Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 24 May 2010 14:33:21 -0700
Subject: [PATCH 3068/3638] dynamic_debug: small cleanup in ddebug_proc_write()

This doesn't change behavior at all.  In the original code, if nwords was
zero then ddebug_parse_query() would return -EINVAL, now we just do it
earlier.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/dynamic_debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index d6b8b9b1abf..3df8eb17a60 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -456,7 +456,7 @@ static ssize_t ddebug_proc_write(struct file *file, const char __user *ubuf,
 			__func__, (int)len);
 
 	nwords = ddebug_tokenize(tmpbuf, words, MAXWORDS);
-	if (nwords < 0)
+	if (nwords <= 0)
 		return -EINVAL;
 	if (ddebug_parse_query(words, nwords-1, &query))
 		return -EINVAL;

From 2b2f68b5383ea107295d7f1483256866e2daa1e3 Mon Sep 17 00:00:00 2001
From: Florian Ragwitz <rafl@debian.org>
Date: Mon, 24 May 2010 14:33:21 -0700
Subject: [PATCH 3069/3638] DYNAMIC_DEBUG: fix documentation errors

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Florian Ragwitz <rafl@debian.org>
Cc: Jason Baron <jbaron@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/dynamic_debug.h |  2 +-
 lib/Kconfig.debug             | 16 ++++++++--------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index f8c2e176750..b3cd4de9432 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -28,7 +28,7 @@ struct _ddebug {
 	/*
  	 * The flags field controls the behaviour at the callsite.
  	 * The bits here are changed dynamically when the user
- 	 * writes commands to <debugfs>/dynamic_debug/ddebug
+	 * writes commands to <debugfs>/dynamic_debug/control
 	 */
 #define _DPRINTK_FLAGS_PRINT   (1<<0)  /* printk() a message using the format */
 #define _DPRINTK_FLAGS_DEFAULT 0
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d85be90d588..23120894836 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1039,10 +1039,10 @@ config DYNAMIC_DEBUG
 
 	  Usage:
 
-	  Dynamic debugging is controlled via the 'dynamic_debug/ddebug' file,
+	  Dynamic debugging is controlled via the 'dynamic_debug/control' file,
 	  which is contained in the 'debugfs' filesystem. Thus, the debugfs
 	  filesystem must first be mounted before making use of this feature.
-	  We refer the control file as: <debugfs>/dynamic_debug/ddebug. This
+	  We refer the control file as: <debugfs>/dynamic_debug/control. This
 	  file contains a list of the debug statements that can be enabled. The
 	  format for each line of the file is:
 
@@ -1057,7 +1057,7 @@ config DYNAMIC_DEBUG
 
 	  From a live system:
 
-		nullarbor:~ # cat <debugfs>/dynamic_debug/ddebug
+		nullarbor:~ # cat <debugfs>/dynamic_debug/control
 		# filename:lineno [module]function flags format
 		fs/aio.c:222 [aio]__put_ioctx - "__put_ioctx:\040freeing\040%p\012"
 		fs/aio.c:248 [aio]ioctx_alloc - "ENOMEM:\040nr_events\040too\040high\012"
@@ -1067,23 +1067,23 @@ config DYNAMIC_DEBUG
 
 		// enable the message at line 1603 of file svcsock.c
 		nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 		// enable all the messages in file svcsock.c
 		nullarbor:~ # echo -n 'file svcsock.c +p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 		// enable all the messages in the NFS server module
 		nullarbor:~ # echo -n 'module nfsd +p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 		// enable all 12 messages in the function svc_process()
 		nullarbor:~ # echo -n 'func svc_process +p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 		// disable all 12 messages in the function svc_process()
 		nullarbor:~ # echo -n 'func svc_process -p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 	  See Documentation/dynamic-debug-howto.txt for additional information.
 

From db0fd97c270f1e80321f7ae55234643ca0978c54 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 24 May 2010 14:33:22 -0700
Subject: [PATCH 3070/3638] lib/hexdump.c: reduce stack variable size and
 cleanups

Reduce char linebuf[200] to the actual size required., which is 32 * 3 + 2
+ 32 + 1, ie: linebuf[131].

Change examples to use bool true not int 1.

Align multiline argument indentation to open parenthesis.

Use temporary for ptr[j] so trigraph fits on single line.

Convert printk ptr from %*p, (int)(2 * sizeof(void *)) to %p as %p uses
the same calculation for size.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/hexdump.c | 36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/lib/hexdump.c b/lib/hexdump.c
index 39af2560f76..1bd6a977977 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -34,7 +34,7 @@ EXPORT_SYMBOL(hex_asc);
  *
  * E.g.:
  *   hex_dump_to_buffer(frame->data, frame->len, 16, 1,
- *			linebuf, sizeof(linebuf), 1);
+ *			linebuf, sizeof(linebuf), true);
  *
  * example output buffer:
  * 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f  @ABCDEFGHIJKLMNO
@@ -65,8 +65,8 @@ void hex_dump_to_buffer(const void *buf, size_t len, int rowsize,
 
 		for (j = 0; j < ngroups; j++)
 			lx += scnprintf(linebuf + lx, linebuflen - lx,
-				"%s%16.16llx", j ? " " : "",
-				(unsigned long long)*(ptr8 + j));
+					"%s%16.16llx", j ? " " : "",
+					(unsigned long long)*(ptr8 + j));
 		ascii_column = 17 * ngroups + 2;
 		break;
 	}
@@ -77,7 +77,7 @@ void hex_dump_to_buffer(const void *buf, size_t len, int rowsize,
 
 		for (j = 0; j < ngroups; j++)
 			lx += scnprintf(linebuf + lx, linebuflen - lx,
-				"%s%8.8x", j ? " " : "", *(ptr4 + j));
+					"%s%8.8x", j ? " " : "", *(ptr4 + j));
 		ascii_column = 9 * ngroups + 2;
 		break;
 	}
@@ -88,7 +88,7 @@ void hex_dump_to_buffer(const void *buf, size_t len, int rowsize,
 
 		for (j = 0; j < ngroups; j++)
 			lx += scnprintf(linebuf + lx, linebuflen - lx,
-				"%s%4.4x", j ? " " : "", *(ptr2 + j));
+					"%s%4.4x", j ? " " : "", *(ptr2 + j));
 		ascii_column = 5 * ngroups + 2;
 		break;
 	}
@@ -111,9 +111,10 @@ void hex_dump_to_buffer(const void *buf, size_t len, int rowsize,
 
 	while (lx < (linebuflen - 1) && lx < (ascii_column - 1))
 		linebuf[lx++] = ' ';
-	for (j = 0; (j < len) && (lx + 2) < linebuflen; j++)
-		linebuf[lx++] = (isascii(ptr[j]) && isprint(ptr[j])) ? ptr[j]
-				: '.';
+	for (j = 0; (j < len) && (lx + 2) < linebuflen; j++) {
+		ch = ptr[j];
+		linebuf[lx++] = (isascii(ch) && isprint(ch)) ? ch : '.';
+	}
 nil:
 	linebuf[lx++] = '\0';
 }
@@ -143,7 +144,7 @@ EXPORT_SYMBOL(hex_dump_to_buffer);
  *
  * E.g.:
  *   print_hex_dump(KERN_DEBUG, "raw data: ", DUMP_PREFIX_ADDRESS,
- *		16, 1, frame->data, frame->len, 1);
+ *		    16, 1, frame->data, frame->len, true);
  *
  * Example output using %DUMP_PREFIX_OFFSET and 1-byte mode:
  * 0009ab42: 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f  @ABCDEFGHIJKLMNO
@@ -151,12 +152,12 @@ EXPORT_SYMBOL(hex_dump_to_buffer);
  * ffffffff88089af0: 73727170 77767574 7b7a7978 7f7e7d7c  pqrstuvwxyz{|}~.
  */
 void print_hex_dump(const char *level, const char *prefix_str, int prefix_type,
-			int rowsize, int groupsize,
-			const void *buf, size_t len, bool ascii)
+		    int rowsize, int groupsize,
+		    const void *buf, size_t len, bool ascii)
 {
 	const u8 *ptr = buf;
 	int i, linelen, remaining = len;
-	unsigned char linebuf[200];
+	unsigned char linebuf[32 * 3 + 2 + 32 + 1];
 
 	if (rowsize != 16 && rowsize != 32)
 		rowsize = 16;
@@ -164,13 +165,14 @@ void print_hex_dump(const char *level, const char *prefix_str, int prefix_type,
 	for (i = 0; i < len; i += rowsize) {
 		linelen = min(remaining, rowsize);
 		remaining -= rowsize;
+
 		hex_dump_to_buffer(ptr + i, linelen, rowsize, groupsize,
-				linebuf, sizeof(linebuf), ascii);
+				   linebuf, sizeof(linebuf), ascii);
 
 		switch (prefix_type) {
 		case DUMP_PREFIX_ADDRESS:
-			printk("%s%s%*p: %s\n", level, prefix_str,
-				(int)(2 * sizeof(void *)), ptr + i, linebuf);
+			printk("%s%s%p: %s\n",
+			       level, prefix_str, ptr + i, linebuf);
 			break;
 		case DUMP_PREFIX_OFFSET:
 			printk("%s%s%.8x: %s\n", level, prefix_str, i, linebuf);
@@ -196,9 +198,9 @@ EXPORT_SYMBOL(print_hex_dump);
  * rowsize of 16, groupsize of 1, and ASCII output included.
  */
 void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
-			const void *buf, size_t len)
+			  const void *buf, size_t len)
 {
 	print_hex_dump(KERN_DEBUG, prefix_str, prefix_type, 16, 1,
-			buf, len, 1);
+		       buf, len, true);
 }
 EXPORT_SYMBOL(print_hex_dump_bytes);

From 903788892ea0fc7fcaf7e8e5fac9a77379fc215b Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Mon, 24 May 2010 14:33:23 -0700
Subject: [PATCH 3071/3638] lib: introduce common method to convert hex digits

hex_to_bin() is a little method which converts hex digit to its actual
value.  There are plenty of places where such functionality is needed.

[akpm@linux-foundation.org: use tolower(), saving 3 bytes, test the more common case first - it's quicker]
[akpm@linux-foundation.org: relocate tolower to make it even faster! (Joe)]
Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Tilman Schmidt <tilman@imap.cc>
Cc: Duncan Sands <duncan.sands@free.fr>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: "Richard Russon (FlatCap)" <ldm@flatcap.org>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/kernel.h |  2 ++
 lib/hexdump.c          | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 05f332afc9e..8317ec4b9f3 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -375,6 +375,8 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
 	return buf;
 }
 
+extern int hex_to_bin(char ch);
+
 #ifndef pr_fmt
 #define pr_fmt(fmt) fmt
 #endif
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 1bd6a977977..5d7a4802c56 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -15,6 +15,24 @@
 const char hex_asc[] = "0123456789abcdef";
 EXPORT_SYMBOL(hex_asc);
 
+/**
+ * hex_to_bin - convert a hex digit to its real value
+ * @ch: ascii character represents hex digit
+ *
+ * hex_to_bin() converts one hex digit to its actual value or -1 in case of bad
+ * input.
+ */
+int hex_to_bin(char ch)
+{
+	if ((ch >= '0') && (ch <= '9'))
+		return ch - '0';
+	ch = tolower(ch);
+	if ((ch >= 'a') && (ch <= 'f'))
+		return ch - 'a' + 10;
+	return -1;
+}
+EXPORT_SYMBOL(hex_to_bin);
+
 /**
  * hex_dump_to_buffer - convert a blob of data to "hex ASCII" in memory
  * @buf: data blob to dump

From 0496b55c56d0be80e27f417f66690d97e5370f86 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Mon, 24 May 2010 14:33:25 -0700
Subject: [PATCH 3072/3638] drivers: isdn: use new hex_to_bin() method

Remove own implementation of hex_to_bin().

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Acked-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/isdn/gigaset/capi.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 964a55fb148..ac4cfeed394 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -169,17 +169,6 @@ static inline void ignore_cstruct_param(struct cardstate *cs, _cstruct param,
 			 msgname, paramname);
 }
 
-/*
- * convert hex to binary
- */
-static inline u8 hex2bin(char c)
-{
-	int result = c & 0x0f;
-	if (c & 0x40)
-		result += 9;
-	return result;
-}
-
 /*
  * convert an IE from Gigaset hex string to ETSI binary representation
  * including length byte
@@ -191,7 +180,7 @@ static int encode_ie(char *in, u8 *out, int maxlen)
 	while (*in) {
 		if (!isxdigit(in[0]) || !isxdigit(in[1]) || l >= maxlen)
 			return -1;
-		out[++l] = (hex2bin(in[0]) << 4) + hex2bin(in[1]);
+		out[++l] = (hex_to_bin(in[0]) << 4) + hex_to_bin(in[1]);
 		in += 2;
 	}
 	out[0] = l;

From 96b89f323d6af996a7f6bd84d2119cbf7145f9a4 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Mon, 24 May 2010 14:33:25 -0700
Subject: [PATCH 3073/3638] usb: atm: speedtch: use new hex_to_bin() method

Instead of using own implementation which potentialy has bugs involve
hex_to_bin() function.  It requires to have hex_to_bin() implementation
introduced by starter patch in series.

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Duncan Sands <duncan.sands@free.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/usb/atm/speedtch.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 1e9ba4bdffe..1335456b4f9 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -127,8 +127,6 @@ MODULE_PARM_DESC(ModemOption, "default: 0x10,0x00,0x00,0x00,0x20");
 #define ENDPOINT_ISOC_DATA	0x07
 #define ENDPOINT_FIRMWARE	0x05
 
-#define hex2int(c) ( (c >= '0') && (c <= '9') ? (c - '0') : ((c & 0xf) + 9) )
-
 struct speedtch_params {
 	unsigned int altsetting;
 	unsigned int BMaxDSL;
@@ -669,7 +667,8 @@ static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_de
 	memset(atm_dev->esi, 0, sizeof(atm_dev->esi));
 	if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) {
 		for (i = 0; i < 6; i++)
-			atm_dev->esi[i] = (hex2int(mac_str[i * 2]) * 16) + (hex2int(mac_str[i * 2 + 1]));
+			atm_dev->esi[i] = (hex_to_bin(mac_str[i * 2]) << 4) +
+				hex_to_bin(mac_str[i * 2 + 1]);
 	}
 
 	/* Start modem synchronisation */

From 69e4469a39b67e9923731d5d77d45c04837d5def Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Mon, 24 May 2010 14:33:26 -0700
Subject: [PATCH 3074/3638] sysctl: don't use own implementation of
 hex_to_bin()

Remove own implementation of hex_to_bin().

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/sysctl_binary.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 937d31dc856..1357c578606 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -13,6 +13,7 @@
 #include <linux/file.h>
 #include <linux/ctype.h>
 #include <linux/netdevice.h>
+#include <linux/kernel.h>
 #include <linux/slab.h>
 
 #ifdef CONFIG_SYSCTL_SYSCALL
@@ -1124,11 +1125,6 @@ out:
 	return result;
 }
 
-static unsigned hex_value(int ch)
-{
-	return isdigit(ch) ? ch - '0' : ((ch | 0x20) - 'a') + 10;
-}
-
 static ssize_t bin_uuid(struct file *file,
 	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
 {
@@ -1156,7 +1152,8 @@ static ssize_t bin_uuid(struct file *file,
 			if (!isxdigit(str[0]) || !isxdigit(str[1]))
 				goto out;
 
-			uuid[i] = (hex_value(str[0]) << 4) | hex_value(str[1]);
+			uuid[i] = (hex_to_bin(str[0]) << 4) |
+					hex_to_bin(str[1]);
 			str += 2;
 			if (*str == '-')
 				str++;

From 1356de06cea80ffc84cde6a4f8779414f20f211e Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Mon, 24 May 2010 14:33:27 -0700
Subject: [PATCH 3075/3638] staging: rt2860: use new hex_to_bin() method

Instead of using own implementation involve hex_to_bin() function.

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/staging/rt2860/common/rtmp_init.c | 15 ++-------------
 drivers/staging/rt2860/rtmp.h             |  2 --
 2 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/rt2860/common/rtmp_init.c b/drivers/staging/rt2860/common/rtmp_init.c
index 21a95ffdfb8..a09038542f2 100644
--- a/drivers/staging/rt2860/common/rtmp_init.c
+++ b/drivers/staging/rt2860/common/rtmp_init.c
@@ -2810,17 +2810,6 @@ void UserCfgInit(struct rt_rtmp_adapter *pAd)
 }
 
 /* IRQL = PASSIVE_LEVEL */
-u8 BtoH(char ch)
-{
-	if (ch >= '0' && ch <= '9')
-		return (ch - '0');	/* Handle numerals */
-	if (ch >= 'A' && ch <= 'F')
-		return (ch - 'A' + 0xA);	/* Handle capitol hex digits */
-	if (ch >= 'a' && ch <= 'f')
-		return (ch - 'a' + 0xA);	/* Handle small hex digits */
-	return (255);
-}
-
 /* */
 /*  FUNCTION: AtoH(char *, u8 *, int) */
 /* */
@@ -2847,8 +2836,8 @@ void AtoH(char *src, u8 *dest, int destlen)
 	destTemp = (u8 *)dest;
 
 	while (destlen--) {
-		*destTemp = BtoH(*srcptr++) << 4;	/* Put 1st ascii byte in upper nibble. */
-		*destTemp += BtoH(*srcptr++);	/* Add 2nd ascii byte to above. */
+		*destTemp = hex_to_bin(*srcptr++) << 4;	/* Put 1st ascii byte in upper nibble. */
+		*destTemp += hex_to_bin(*srcptr++);	/* Add 2nd ascii byte to above. */
 		destTemp++;
 	}
 }
diff --git a/drivers/staging/rt2860/rtmp.h b/drivers/staging/rt2860/rtmp.h
index ab525ee1504..82b6e783b33 100644
--- a/drivers/staging/rt2860/rtmp.h
+++ b/drivers/staging/rt2860/rtmp.h
@@ -2356,8 +2356,6 @@ void RTMPMoveMemory(void *pDest, void *pSrc, unsigned long Length);
 
 void AtoH(char *src, u8 *dest, int destlen);
 
-u8 BtoH(char ch);
-
 void RTMPPatchMacBbpBug(struct rt_rtmp_adapter *pAd);
 
 void RTMPInitTimer(struct rt_rtmp_adapter *pAd,

From 91f06e66805dd94825885b3ec392c693fe9ef4d9 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Mon, 24 May 2010 14:33:27 -0700
Subject: [PATCH 3076/3638] fs: ldm: don't use own implementation of
 hex_to_bin()

Remove own implementation of hex_to_bin().

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: "Richard Russon (FlatCap)" <ldm@flatcap.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/partitions/ldm.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/fs/partitions/ldm.c b/fs/partitions/ldm.c
index 3ceca05b668..648c9d8f335 100644
--- a/fs/partitions/ldm.c
+++ b/fs/partitions/ldm.c
@@ -26,6 +26,7 @@
 #include <linux/slab.h>
 #include <linux/pagemap.h>
 #include <linux/stringify.h>
+#include <linux/kernel.h>
 #include "ldm.h"
 #include "check.h"
 #include "msdos.h"
@@ -77,17 +78,16 @@ static int ldm_parse_hexbyte (const u8 *src)
 	int h;
 
 	/* high part */
-	if      ((x = src[0] - '0') <= '9'-'0') h = x;
-	else if ((x = src[0] - 'a') <= 'f'-'a') h = x+10;
-	else if ((x = src[0] - 'A') <= 'F'-'A') h = x+10;
-	else return -1;
-	h <<= 4;
+	x = h = hex_to_bin(src[0]);
+	if (h < 0)
+		return -1;
 
 	/* low part */
-	if ((x = src[1] - '0') <= '9'-'0') return h | x;
-	if ((x = src[1] - 'a') <= 'f'-'a') return h | (x+10);
-	if ((x = src[1] - 'A') <= 'F'-'A') return h | (x+10);
-	return -1;
+	h = hex_to_bin(src[1]);
+	if (h < 0)
+		return -1;
+
+	return (x << 4) + h;
 }
 
 /**

From 26355387c21accb0919d34ee59478c23b2030ee5 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Mon, 24 May 2010 14:33:28 -0700
Subject: [PATCH 3077/3638] drivers: wireless: use new hex_to_bin() method

Instead of using own implementation involve hex_to_bin() function.

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Acked-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/net/wireless/airo.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index a441aad922c..3b7ab20a5c5 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -5162,13 +5162,6 @@ static void proc_SSID_on_close(struct inode *inode, struct file *file)
 	enable_MAC(ai, 1);
 }
 
-static inline u8 hexVal(char c) {
-	if (c>='0' && c<='9') return c -= '0';
-	if (c>='a' && c<='f') return c -= 'a'-10;
-	if (c>='A' && c<='F') return c -= 'A'-10;
-	return 0;
-}
-
 static void proc_APList_on_close( struct inode *inode, struct file *file ) {
 	struct proc_data *data = (struct proc_data *)file->private_data;
 	struct proc_dir_entry *dp = PDE(inode);
@@ -5188,11 +5181,11 @@ static void proc_APList_on_close( struct inode *inode, struct file *file ) {
 			switch(j%3) {
 			case 0:
 				APList_rid.ap[i][j/3]=
-					hexVal(data->wbuffer[j+i*6*3])<<4;
+					hex_to_bin(data->wbuffer[j+i*6*3])<<4;
 				break;
 			case 1:
 				APList_rid.ap[i][j/3]|=
-					hexVal(data->wbuffer[j+i*6*3]);
+					hex_to_bin(data->wbuffer[j+i*6*3]);
 				break;
 			}
 		}
@@ -5340,10 +5333,10 @@ static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
 	for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
 		switch(i%3) {
 		case 0:
-			key[i/3] = hexVal(data->wbuffer[i+j])<<4;
+			key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4;
 			break;
 		case 1:
-			key[i/3] |= hexVal(data->wbuffer[i+j]);
+			key[i/3] |= hex_to_bin(data->wbuffer[i+j]);
 			break;
 		}
 	}

From 965fd9e9a2d6d0a2704815e4579008a9f65282a0 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Date: Mon, 24 May 2010 14:33:28 -0700
Subject: [PATCH 3078/3638] drivers: acpi: don't use own implementation of
 hex_to_bin()

Remove own implementation of hex_to_bin().

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/acpi/bus.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 9042a857966..c1d23cd7165 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -401,11 +401,6 @@ static void acpi_print_osc_error(acpi_handle handle,
 	printk("\n");
 }
 
-static u8 hex_val(unsigned char c)
-{
-	return isdigit(c) ? c - '0' : toupper(c) - 'A' + 10;
-}
-
 static acpi_status acpi_str_to_uuid(char *str, u8 *uuid)
 {
 	int i;
@@ -422,8 +417,8 @@ static acpi_status acpi_str_to_uuid(char *str, u8 *uuid)
 			return AE_BAD_PARAMETER;
 	}
 	for (i = 0; i < 16; i++) {
-		uuid[i] = hex_val(str[opc_map_to_uuid[i]]) << 4;
-		uuid[i] |= hex_val(str[opc_map_to_uuid[i] + 1]);
+		uuid[i] = hex_to_bin(str[opc_map_to_uuid[i]]) << 4;
+		uuid[i] |= hex_to_bin(str[opc_map_to_uuid[i] + 1]);
 	}
 	return AE_OK;
 }

From 3354957a4f8b9bb4b43625232acdf0626851c82f Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@linux.intel.com>
Date: Mon, 24 May 2010 14:33:29 -0700
Subject: [PATCH 3079/3638] checkpatch: add check for too short Kconfig
 descriptions

I've seen various new Kconfigs with rather unhelpful one liner
descriptions.  Add a Kconfig warning for a minimum length of the Kconfig
help section.

Right now I arbitarily chose 4. The exact value can be debated.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/checkpatch.pl | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f2bbea90070..de0f4672cb7 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1382,6 +1382,21 @@ sub process {
 			ERROR("trailing whitespace\n" . $herevet);
 		}
 
+# check for Kconfig help text having a real description
+		if ($realfile =~ /Kconfig/ &&
+		    $line =~ /\+?\s*(---)?help(---)?$/) {
+			my $length = 0;
+			for (my $l = $linenr; defined($lines[$l]); $l++) {
+				my $f = $lines[$l];
+				$f =~ s/#.*//;
+				$f =~ s/^\s+//;
+				next if ($f =~ /^$/);
+				last if ($f =~ /^\s*config\s/);
+				$length++;
+			}
+			WARN("please write a paragraph that describes the config symbol fully\n" . $herecurr) if ($length < 4);
+		}
+
 # check we are in a valid source file if not then ignore this hunk
 		next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/);
 

From d4977c78e9c7dd042f96f4a21d957bc25a561333 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Mon, 24 May 2010 14:33:30 -0700
Subject: [PATCH 3080/3638] checkpatch: warn on declaration with storage class
 not at the beginning

The C99 specification states in section 6.11.5:

The placement of a storage-class specifier other than at the beginning
of the declaration specifiers in a declaration is an obsolescent
feature.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Jean Delvare <khali@linux-fr.org>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/checkpatch.pl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index de0f4672cb7..bd88f11b095 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2601,6 +2601,11 @@ sub process {
 			CHK("architecture specific defines should be avoided\n" .  $herecurr);
 		}
 
+# Check that the storage class is at the beginning of a declaration
+		if ($line =~ /\b$Storage\b/ && $line !~ /^.\s*$Storage\b/) {
+			WARN("storage class should be at the beginning of the declaration\n" . $herecurr)
+		}
+
 # check the location of the inline attribute, that it is between
 # storage class and type.
 		if ($line =~ /\b$Type\s+$Inline\b/ ||

From 836e2af92503f1642dbc3c3281ec68ec1dd39d2e Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Date: Mon, 24 May 2010 14:33:31 -0700
Subject: [PATCH 3081/3638] crc32: major optimization

Precompute more crc32 values(0xcc00, 0xcc0000 and 0xcc000000) into tables.
 This increases the table size from 1KB to 4KB but the performance benfit
makes it worth it:

28% faster on MPC8321, 266 MHz
2x faster on Core 2 Duo, 3.1GHz

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/crc32.c          | 24 +++++++++++++---------
 lib/gen_crc32table.c | 47 ++++++++++++++++++++++++++++++--------------
 2 files changed, 47 insertions(+), 24 deletions(-)

diff --git a/lib/crc32.c b/lib/crc32.c
index bc5b936e914..4855995fcde 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -48,12 +48,20 @@ MODULE_LICENSE("GPL");
 #if CRC_LE_BITS == 8 || CRC_BE_BITS == 8
 
 static inline u32
-crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 *tab)
+crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])
 {
 # ifdef __LITTLE_ENDIAN
-#  define DO_CRC(x) crc = tab[(crc ^ (x)) & 255 ] ^ (crc >> 8)
+#  define DO_CRC(x) crc = tab[0][(crc ^ (x)) & 255] ^ (crc >> 8)
+#  define DO_CRC4 crc = tab[3][(crc) & 255] ^ \
+		tab[2][(crc >> 8) & 255] ^ \
+		tab[1][(crc >> 16) & 255] ^ \
+		tab[0][(crc >> 24) & 255]
 # else
-#  define DO_CRC(x) crc = tab[((crc >> 24) ^ (x)) & 255] ^ (crc << 8)
+#  define DO_CRC(x) crc = tab[0][((crc >> 24) ^ (x)) & 255] ^ (crc << 8)
+#  define DO_CRC4 crc = tab[0][(crc) & 255] ^ \
+		tab[1][(crc >> 8) & 255] ^ \
+		tab[2][(crc >> 16) & 255] ^ \
+		tab[3][(crc >> 24) & 255]
 # endif
 	const u32 *b;
 	size_t    rem_len;
@@ -70,10 +78,7 @@ crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 *tab)
 	b = (const u32 *)buf;
 	for (--b; len; --len) {
 		crc ^= *++b; /* use pre increment for speed */
-		DO_CRC(0);
-		DO_CRC(0);
-		DO_CRC(0);
-		DO_CRC(0);
+		DO_CRC4;
 	}
 	len = rem_len;
 	/* And the last few bytes */
@@ -85,6 +90,7 @@ crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 *tab)
 	}
 	return crc;
 #undef DO_CRC
+#undef DO_CRC4
 }
 #endif
 /**
@@ -117,7 +123,7 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
 u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
 {
 # if CRC_LE_BITS == 8
-	const u32      *tab = crc32table_le;
+	const u32      (*tab)[] = crc32table_le;
 
 	crc = __cpu_to_le32(crc);
 	crc = crc32_body(crc, p, len, tab);
@@ -174,7 +180,7 @@ u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
 u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
 {
 # if CRC_BE_BITS == 8
-	const u32      *tab = crc32table_be;
+	const u32      (*tab)[] = crc32table_be;
 
 	crc = __cpu_to_be32(crc);
 	crc = crc32_body(crc, p, len, tab);
diff --git a/lib/gen_crc32table.c b/lib/gen_crc32table.c
index bea5d97df99..85d0e412a04 100644
--- a/lib/gen_crc32table.c
+++ b/lib/gen_crc32table.c
@@ -7,8 +7,8 @@
 #define LE_TABLE_SIZE (1 << CRC_LE_BITS)
 #define BE_TABLE_SIZE (1 << CRC_BE_BITS)
 
-static uint32_t crc32table_le[LE_TABLE_SIZE];
-static uint32_t crc32table_be[BE_TABLE_SIZE];
+static uint32_t crc32table_le[4][LE_TABLE_SIZE];
+static uint32_t crc32table_be[4][BE_TABLE_SIZE];
 
 /**
  * crc32init_le() - allocate and initialize LE table data
@@ -22,12 +22,19 @@ static void crc32init_le(void)
 	unsigned i, j;
 	uint32_t crc = 1;
 
-	crc32table_le[0] = 0;
+	crc32table_le[0][0] = 0;
 
 	for (i = 1 << (CRC_LE_BITS - 1); i; i >>= 1) {
 		crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
 		for (j = 0; j < LE_TABLE_SIZE; j += 2 * i)
-			crc32table_le[i + j] = crc ^ crc32table_le[j];
+			crc32table_le[0][i + j] = crc ^ crc32table_le[0][j];
+	}
+	for (i = 0; i < LE_TABLE_SIZE; i++) {
+		crc = crc32table_le[0][i];
+		for (j = 1; j < 4; j++) {
+			crc = crc32table_le[0][crc & 0xff] ^ (crc >> 8);
+			crc32table_le[j][i] = crc;
+		}
 	}
 }
 
@@ -39,25 +46,35 @@ static void crc32init_be(void)
 	unsigned i, j;
 	uint32_t crc = 0x80000000;
 
-	crc32table_be[0] = 0;
+	crc32table_be[0][0] = 0;
 
 	for (i = 1; i < BE_TABLE_SIZE; i <<= 1) {
 		crc = (crc << 1) ^ ((crc & 0x80000000) ? CRCPOLY_BE : 0);
 		for (j = 0; j < i; j++)
-			crc32table_be[i + j] = crc ^ crc32table_be[j];
+			crc32table_be[0][i + j] = crc ^ crc32table_be[0][j];
+	}
+	for (i = 0; i < BE_TABLE_SIZE; i++) {
+		crc = crc32table_be[0][i];
+		for (j = 1; j < 4; j++) {
+			crc = crc32table_be[0][(crc >> 24) & 0xff] ^ (crc << 8);
+			crc32table_be[j][i] = crc;
+		}
 	}
 }
 
-static void output_table(uint32_t table[], int len, char *trans)
+static void output_table(uint32_t table[4][256], int len, char *trans)
 {
-	int i;
+	int i, j;
 
-	for (i = 0; i < len - 1; i++) {
-		if (i % ENTRIES_PER_LINE == 0)
-			printf("\n");
-		printf("%s(0x%8.8xL), ", trans, table[i]);
+	for (j = 0 ; j < 4; j++) {
+		printf("{");
+		for (i = 0; i < len - 1; i++) {
+			if (i % ENTRIES_PER_LINE == 0)
+				printf("\n");
+			printf("%s(0x%8.8xL), ", trans, table[j][i]);
+		}
+		printf("%s(0x%8.8xL)},\n", trans, table[j][len - 1]);
 	}
-	printf("%s(0x%8.8xL)\n", trans, table[len - 1]);
 }
 
 int main(int argc, char** argv)
@@ -66,14 +83,14 @@ int main(int argc, char** argv)
 
 	if (CRC_LE_BITS > 1) {
 		crc32init_le();
-		printf("static const u32 crc32table_le[] = {");
+		printf("static const u32 crc32table_le[4][256] = {");
 		output_table(crc32table_le, LE_TABLE_SIZE, "tole");
 		printf("};\n");
 	}
 
 	if (CRC_BE_BITS > 1) {
 		crc32init_be();
-		printf("static const u32 crc32table_be[] = {");
+		printf("static const u32 crc32table_be[4][256] = {");
 		output_table(crc32table_be, BE_TABLE_SIZE, "tobe");
 		printf("};\n");
 	}

From 4762bbc1a3a1f22095278b74dd1b8cee04858641 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Date: Mon, 24 May 2010 14:33:31 -0700
Subject: [PATCH 3082/3638] crc32: use __BYTE_ORDER macro for endian detection.

Since crc32.c contains a nifty test program that can be executed in user
space, make sure endian detection works reliably in user space too.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/crc32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/crc32.c b/lib/crc32.c
index 4855995fcde..3087ed899ee 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -50,7 +50,7 @@ MODULE_LICENSE("GPL");
 static inline u32
 crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])
 {
-# ifdef __LITTLE_ENDIAN
+# if __BYTE_ORDER == __LITTLE_ENDIAN
 #  define DO_CRC(x) crc = tab[0][(crc ^ (x)) & 255] ^ (crc >> 8)
 #  define DO_CRC4 crc = tab[3][(crc) & 255] ^ \
 		tab[2][(crc >> 8) & 255] ^ \

From 58e814227de9e8b5a4a50fb8018a770de9e974a0 Mon Sep 17 00:00:00 2001
From: Samu Onkalo <samu.p.onkalo@nokia.com>
Date: Mon, 24 May 2010 14:33:32 -0700
Subject: [PATCH 3083/3638] lis3: add missing constants for 8bit device

Definitions for click were missing.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Tested-by: Daniel Mack <daniel@caiaq.de>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/lis3lv02d.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h
index e6a01f44709..692e2442ce0 100644
--- a/drivers/hwmon/lis3lv02d.h
+++ b/drivers/hwmon/lis3lv02d.h
@@ -196,6 +196,16 @@ enum lis3lv02d_dd_src {
 	DD_SRC_IA	= 0x40,
 };
 
+enum lis3lv02d_click_src_8b {
+	CLICK_SINGLE_X	= 0x01,
+	CLICK_DOUBLE_X	= 0x02,
+	CLICK_SINGLE_Y	= 0x04,
+	CLICK_DOUBLE_Y	= 0x08,
+	CLICK_SINGLE_Z	= 0x10,
+	CLICK_DOUBLE_Z	= 0x20,
+	CLICK_IA	= 0x40,
+};
+
 struct axis_conversion {
 	s8	x;
 	s8	y;

From ecc437aeee65afeea2e1bed963ccf6c384c555ea Mon Sep 17 00:00:00 2001
From: Samu Onkalo <samu.p.onkalo@nokia.com>
Date: Mon, 24 May 2010 14:33:34 -0700
Subject: [PATCH 3084/3638] lis3: separate configuration function for 8 bit
 device

Separate configuration function for 8 bit version of the chip.  This way
generic part of the init function stays little bit more readable.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Tested-by: Daniel Mack <daniel@caiaq.de>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/lis3lv02d.c | 45 ++++++++++++++++++++++-----------------
 1 file changed, 26 insertions(+), 19 deletions(-)

diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index b2f2277cad3..99fd45deda4 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -521,6 +521,30 @@ int lis3lv02d_remove_fs(struct lis3lv02d *lis3)
 }
 EXPORT_SYMBOL_GPL(lis3lv02d_remove_fs);
 
+static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
+				struct lis3lv02d_platform_data *p)
+{
+	if (p->click_flags) {
+		dev->write(dev, CLICK_CFG, p->click_flags);
+		dev->write(dev, CLICK_TIMELIMIT, p->click_time_limit);
+		dev->write(dev, CLICK_LATENCY, p->click_latency);
+		dev->write(dev, CLICK_WINDOW, p->click_window);
+		dev->write(dev, CLICK_THSZ, p->click_thresh_z & 0xf);
+		dev->write(dev, CLICK_THSY_X,
+			(p->click_thresh_x & 0xf) |
+			(p->click_thresh_y << 4));
+	}
+
+	if (p->wakeup_flags) {
+		dev->write(dev, FF_WU_CFG_1, p->wakeup_flags);
+		dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f);
+		/* default to 2.5ms for now */
+		dev->write(dev, FF_WU_DURATION_1, 1);
+		/* enable high pass filter for both free-fall units */
+		dev->write(dev, CTRL_REG2, HP_FF_WU1 | HP_FF_WU2);
+	}
+}
+
 /*
  * Initialise the accelerometer and the various subsystems.
  * Should be rather independent of the bus system.
@@ -567,25 +591,8 @@ int lis3lv02d_init_device(struct lis3lv02d *dev)
 	if (dev->pdata) {
 		struct lis3lv02d_platform_data *p = dev->pdata;
 
-		if (p->click_flags && (dev->whoami == WAI_8B)) {
-			dev->write(dev, CLICK_CFG, p->click_flags);
-			dev->write(dev, CLICK_TIMELIMIT, p->click_time_limit);
-			dev->write(dev, CLICK_LATENCY, p->click_latency);
-			dev->write(dev, CLICK_WINDOW, p->click_window);
-			dev->write(dev, CLICK_THSZ, p->click_thresh_z & 0xf);
-			dev->write(dev, CLICK_THSY_X,
-					(p->click_thresh_x & 0xf) |
-					(p->click_thresh_y << 4));
-		}
-
-		if (p->wakeup_flags && (dev->whoami == WAI_8B)) {
-			dev->write(dev, FF_WU_CFG_1, p->wakeup_flags);
-			dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f);
-			/* default to 2.5ms for now */
-			dev->write(dev, FF_WU_DURATION_1, 1);
-			/* enable high pass filter for both free-fall units */
-			dev->write(dev, CTRL_REG2, HP_FF_WU1 | HP_FF_WU2);
-		}
+		if (dev->whoami == WAI_8B)
+			lis3lv02d_8b_configure(dev, p);
 
 		if (p->irq_cfg)
 			dev->write(dev, CTRL_REG3, p->irq_cfg);

From 342c5f128140d54961c435d1702eadcaba97a37a Mon Sep 17 00:00:00 2001
From: Samu Onkalo <samu.p.onkalo@nokia.com>
Date: Mon, 24 May 2010 14:33:35 -0700
Subject: [PATCH 3085/3638] lis3: introduce platform data for second ff / wu
 unit

8 bit device has two wakeup / free fall units.  It was not possible to
configure the second unit.  This patch introduces configuration entry to
the platform data and also corresponding changes to the 8 bit setup
function.

High pass filters were enabled by default.  Patch introduces configuration
option for high pass filter cut off frequency and also possibility to
disable or enable the filter via platform data.  Since the control is a
new one and default state was filter enabled, new option is used to
disable the filter.  This way old platform data is still compatible with
the change.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Tested-by: Daniel Mack <daniel@caiaq.de>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/lis3lv02d.c | 15 +++++++++++++--
 include/linux/lis3lv02d.h |  9 +++++++++
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 99fd45deda4..50f31233960 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -524,6 +524,8 @@ EXPORT_SYMBOL_GPL(lis3lv02d_remove_fs);
 static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
 				struct lis3lv02d_platform_data *p)
 {
+	int ctrl2 = p->hipass_ctrl;
+
 	if (p->click_flags) {
 		dev->write(dev, CLICK_CFG, p->click_flags);
 		dev->write(dev, CLICK_TIMELIMIT, p->click_time_limit);
@@ -540,9 +542,18 @@ static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
 		dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f);
 		/* default to 2.5ms for now */
 		dev->write(dev, FF_WU_DURATION_1, 1);
-		/* enable high pass filter for both free-fall units */
-		dev->write(dev, CTRL_REG2, HP_FF_WU1 | HP_FF_WU2);
+		ctrl2 ^= HP_FF_WU1; /* Xor to keep compatible with old pdata*/
 	}
+
+	if (p->wakeup_flags2) {
+		dev->write(dev, FF_WU_CFG_2, p->wakeup_flags2);
+		dev->write(dev, FF_WU_THS_2, p->wakeup_thresh2 & 0x7f);
+		/* default to 2.5ms for now */
+		dev->write(dev, FF_WU_DURATION_2, 1);
+		ctrl2 ^= HP_FF_WU2; /* Xor to keep compatible with old pdata*/
+	}
+	/* Configure hipass filters */
+	dev->write(dev, CTRL_REG2, ctrl2);
 }
 
 /*
diff --git a/include/linux/lis3lv02d.h b/include/linux/lis3lv02d.h
index f1ca0dcc162..d6251995c04 100644
--- a/include/linux/lis3lv02d.h
+++ b/include/linux/lis3lv02d.h
@@ -43,6 +43,15 @@ struct lis3lv02d_platform_data {
 #define LIS3_WAKEUP_Z_HI	(1 << 5)
 	unsigned char wakeup_flags;
 	unsigned char wakeup_thresh;
+	unsigned char wakeup_flags2;
+	unsigned char wakeup_thresh2;
+#define LIS3_HIPASS_CUTFF_8HZ   0
+#define LIS3_HIPASS_CUTFF_4HZ   1
+#define LIS3_HIPASS_CUTFF_2HZ   2
+#define LIS3_HIPASS_CUTFF_1HZ   3
+#define LIS3_HIPASS1_DISABLE    (1 << 2)
+#define LIS3_HIPASS2_DISABLE    (1 << 3)
+	unsigned char hipass_ctrl;
 #define LIS3_NO_MAP		0
 #define LIS3_DEV_X		1
 #define LIS3_DEV_Y		2

From 92ba4fe4b53b4fa5ac71ec4d80572348fca85796 Mon Sep 17 00:00:00 2001
From: Samu Onkalo <samu.p.onkalo@nokia.com>
Date: Mon, 24 May 2010 14:33:36 -0700
Subject: [PATCH 3086/3638] lis3: add skeletons for interrupt handlers

Original lis3 driver didn't provide interrupt handler(s) for click or
threshold event handling.  This patch adds threaded handlers for one or
two interrupt lines for 8 bit device.  Actual content for interrupt
handling is provided in the separate patch.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Tested-by: Daniel Mack <daniel@caiaq.de>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/lis3lv02d.c | 87 ++++++++++++++++++++++++++++-----------
 include/linux/lis3lv02d.h |  1 +
 2 files changed, 65 insertions(+), 23 deletions(-)

diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 50f31233960..3c06350bae3 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -251,6 +251,9 @@ EXPORT_SYMBOL_GPL(lis3lv02d_poweron);
 
 static irqreturn_t lis302dl_interrupt(int irq, void *dummy)
 {
+	if (!test_bit(0, &lis3_dev.misc_opened))
+		goto out;
+
 	/*
 	 * Be careful: on some HP laptops the bios force DD when on battery and
 	 * the lid is closed. This leads to interrupts as soon as a little move
@@ -260,44 +263,35 @@ static irqreturn_t lis302dl_interrupt(int irq, void *dummy)
 
 	wake_up_interruptible(&lis3_dev.misc_wait);
 	kill_fasync(&lis3_dev.async_queue, SIGIO, POLL_IN);
+out:
+	if (lis3_dev.whoami == WAI_8B && lis3_dev.idev &&
+	    lis3_dev.idev->input->users)
+		return IRQ_WAKE_THREAD;
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t lis302dl_interrupt_thread1_8b(int irq, void *data)
+{
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t lis302dl_interrupt_thread2_8b(int irq, void *data)
+{
 	return IRQ_HANDLED;
 }
 
 static int lis3lv02d_misc_open(struct inode *inode, struct file *file)
 {
-	int ret;
-
 	if (test_and_set_bit(0, &lis3_dev.misc_opened))
 		return -EBUSY; /* already open */
 
 	atomic_set(&lis3_dev.count, 0);
-
-	/*
-	 * The sensor can generate interrupts for free-fall and direction
-	 * detection (distinguishable with FF_WU_SRC and DD_SRC) but to keep
-	 * the things simple and _fast_ we activate it only for free-fall, so
-	 * no need to read register (very slow with ACPI). For the same reason,
-	 * we forbid shared interrupts.
-	 *
-	 * IRQF_TRIGGER_RISING seems pointless on HP laptops because the
-	 * io-apic is not configurable (and generates a warning) but I keep it
-	 * in case of support for other hardware.
-	 */
-	ret = request_irq(lis3_dev.irq, lis302dl_interrupt, IRQF_TRIGGER_RISING,
-			  DRIVER_NAME, &lis3_dev);
-
-	if (ret) {
-		clear_bit(0, &lis3_dev.misc_opened);
-		printk(KERN_ERR DRIVER_NAME ": IRQ%d allocation failed\n", lis3_dev.irq);
-		return -EBUSY;
-	}
 	return 0;
 }
 
 static int lis3lv02d_misc_release(struct inode *inode, struct file *file)
 {
 	fasync_helper(-1, file, 0, &lis3_dev.async_queue);
-	free_irq(lis3_dev.irq, &lis3_dev);
 	clear_bit(0, &lis3_dev.misc_opened); /* release the device */
 	return 0;
 }
@@ -434,6 +428,11 @@ EXPORT_SYMBOL_GPL(lis3lv02d_joystick_enable);
 
 void lis3lv02d_joystick_disable(void)
 {
+	if (lis3_dev.irq)
+		free_irq(lis3_dev.irq, &lis3_dev);
+	if (lis3_dev.pdata && lis3_dev.pdata->irq2)
+		free_irq(lis3_dev.pdata->irq2, &lis3_dev);
+
 	if (!lis3_dev.idev)
 		return;
 
@@ -524,6 +523,7 @@ EXPORT_SYMBOL_GPL(lis3lv02d_remove_fs);
 static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
 				struct lis3lv02d_platform_data *p)
 {
+	int err;
 	int ctrl2 = p->hipass_ctrl;
 
 	if (p->click_flags) {
@@ -554,6 +554,18 @@ static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
 	}
 	/* Configure hipass filters */
 	dev->write(dev, CTRL_REG2, ctrl2);
+
+	if (p->irq2) {
+		err = request_threaded_irq(p->irq2,
+					NULL,
+					lis302dl_interrupt_thread2_8b,
+					IRQF_TRIGGER_RISING |
+					IRQF_ONESHOT,
+					DRIVER_NAME, &lis3_dev);
+		if (err < 0)
+			printk(KERN_ERR DRIVER_NAME
+				"No second IRQ. Limited functionality\n");
+	}
 }
 
 /*
@@ -562,6 +574,9 @@ static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
  */
 int lis3lv02d_init_device(struct lis3lv02d *dev)
 {
+	int err;
+	irq_handler_t thread_fn;
+
 	dev->whoami = lis3lv02d_read_8(dev, WHO_AM_I);
 
 	switch (dev->whoami) {
@@ -616,6 +631,32 @@ int lis3lv02d_init_device(struct lis3lv02d *dev)
 		goto out;
 	}
 
+	/*
+	 * The sensor can generate interrupts for free-fall and direction
+	 * detection (distinguishable with FF_WU_SRC and DD_SRC) but to keep
+	 * the things simple and _fast_ we activate it only for free-fall, so
+	 * no need to read register (very slow with ACPI). For the same reason,
+	 * we forbid shared interrupts.
+	 *
+	 * IRQF_TRIGGER_RISING seems pointless on HP laptops because the
+	 * io-apic is not configurable (and generates a warning) but I keep it
+	 * in case of support for other hardware.
+	 */
+	if (dev->whoami == WAI_8B)
+		thread_fn = lis302dl_interrupt_thread1_8b;
+	else
+		thread_fn = NULL;
+
+	err = request_threaded_irq(dev->irq, lis302dl_interrupt,
+				thread_fn,
+				IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+				DRIVER_NAME, &lis3_dev);
+
+	if (err < 0) {
+		printk(KERN_ERR DRIVER_NAME "Cannot get IRQ\n");
+		goto out;
+	}
+
 	if (misc_register(&lis3lv02d_misc_device))
 		printk(KERN_ERR DRIVER_NAME ": misc_register failed\n");
 out:
diff --git a/include/linux/lis3lv02d.h b/include/linux/lis3lv02d.h
index d6251995c04..fd289b1e1ec 100644
--- a/include/linux/lis3lv02d.h
+++ b/include/linux/lis3lv02d.h
@@ -67,6 +67,7 @@ struct lis3lv02d_platform_data {
 	/* Limits for selftest are specified in chip data sheet */
 	s16 st_min_limits[3]; /* min pass limit x, y, z */
 	s16 st_max_limits[3]; /* max pass limit x, y, z */
+	int irq2;
 };
 
 #endif /* __LIS3LV02D_H_ */

From 6d94d4081048756df78444a07201156f4930fe48 Mon Sep 17 00:00:00 2001
From: Samu Onkalo <samu.p.onkalo@nokia.com>
Date: Mon, 24 May 2010 14:33:37 -0700
Subject: [PATCH 3087/3638] lis3: interrupt handlers for 8bit wakeup and click
 events

Content for the 8bit device threaded interrupt handlers.  Depending on the
interrupt line and chip configuration, either click or wakeup / freefall
handler is called.  In case of click, BTN_ event is sent via input device.
 In case of wakeup or freefall, input device ABS_ events are updated
immediatelly.

It is still possible to configure interrupt line 1 for fast freefall
detection and use the second line either for click or threshold based
interrupts.  Or both lines can be used for click / threshold interrupts.

Polled input device can be set to stopped state and still get coordinate
updates via input device using interrupt based method.  Polled mode and
interrupt mode can also be used parallel.

BTN_ events are remapped based on existing axis remapping information.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/lis3lv02d.c | 98 +++++++++++++++++++++++++++++++++------
 drivers/hwmon/lis3lv02d.h |  1 +
 include/linux/lis3lv02d.h |  2 +
 3 files changed, 88 insertions(+), 13 deletions(-)

diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 3c06350bae3..56a1d34d367 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -121,11 +121,9 @@ static void lis3lv02d_get_xyz(struct lis3lv02d *lis3, int *x, int *y, int *z)
 	int position[3];
 	int i;
 
-	mutex_lock(&lis3->mutex);
 	position[0] = lis3->read_data(lis3, OUTX);
 	position[1] = lis3->read_data(lis3, OUTY);
 	position[2] = lis3->read_data(lis3, OUTZ);
-	mutex_unlock(&lis3->mutex);
 
 	for (i = 0; i < 3; i++)
 		position[i] = (position[i] * lis3->scale) / LIS3_ACCURACY;
@@ -249,6 +247,19 @@ void lis3lv02d_poweron(struct lis3lv02d *lis3)
 EXPORT_SYMBOL_GPL(lis3lv02d_poweron);
 
 
+static void lis3lv02d_joystick_poll(struct input_polled_dev *pidev)
+{
+	int x, y, z;
+
+	mutex_lock(&lis3_dev.mutex);
+	lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z);
+	input_report_abs(pidev->input, ABS_X, x);
+	input_report_abs(pidev->input, ABS_Y, y);
+	input_report_abs(pidev->input, ABS_Z, z);
+	input_sync(pidev->input);
+	mutex_unlock(&lis3_dev.mutex);
+}
+
 static irqreturn_t lis302dl_interrupt(int irq, void *dummy)
 {
 	if (!test_bit(0, &lis3_dev.misc_opened))
@@ -270,13 +281,71 @@ out:
 	return IRQ_HANDLED;
 }
 
+static void lis302dl_interrupt_handle_click(struct lis3lv02d *lis3)
+{
+	struct input_dev *dev = lis3->idev->input;
+	u8 click_src;
+
+	mutex_lock(&lis3->mutex);
+	lis3->read(lis3, CLICK_SRC, &click_src);
+
+	if (click_src & CLICK_SINGLE_X) {
+		input_report_key(dev, lis3->mapped_btns[0], 1);
+		input_report_key(dev, lis3->mapped_btns[0], 0);
+	}
+
+	if (click_src & CLICK_SINGLE_Y) {
+		input_report_key(dev, lis3->mapped_btns[1], 1);
+		input_report_key(dev, lis3->mapped_btns[1], 0);
+	}
+
+	if (click_src & CLICK_SINGLE_Z) {
+		input_report_key(dev, lis3->mapped_btns[2], 1);
+		input_report_key(dev, lis3->mapped_btns[2], 0);
+	}
+	input_sync(dev);
+	mutex_unlock(&lis3->mutex);
+}
+
+static void lis302dl_interrupt_handle_ff_wu(struct lis3lv02d *lis3)
+{
+	u8 wu1_src;
+	u8 wu2_src;
+
+	lis3->read(lis3, FF_WU_SRC_1, &wu1_src);
+	lis3->read(lis3, FF_WU_SRC_2, &wu2_src);
+
+	wu1_src = wu1_src & FF_WU_SRC_IA ? wu1_src : 0;
+	wu2_src = wu2_src & FF_WU_SRC_IA ? wu2_src : 0;
+
+	/* joystick poll is internally protected by the lis3->mutex. */
+	if (wu1_src || wu2_src)
+		lis3lv02d_joystick_poll(lis3_dev.idev);
+}
+
 static irqreturn_t lis302dl_interrupt_thread1_8b(int irq, void *data)
 {
+
+	struct lis3lv02d *lis3 = data;
+
+	if ((lis3->pdata->irq_cfg & LIS3_IRQ1_MASK) == LIS3_IRQ1_CLICK)
+		lis302dl_interrupt_handle_click(lis3);
+	else
+		lis302dl_interrupt_handle_ff_wu(lis3);
+
 	return IRQ_HANDLED;
 }
 
 static irqreturn_t lis302dl_interrupt_thread2_8b(int irq, void *data)
 {
+
+	struct lis3lv02d *lis3 = data;
+
+	if ((lis3->pdata->irq_cfg & LIS3_IRQ2_MASK) == LIS3_IRQ2_CLICK)
+		lis302dl_interrupt_handle_click(lis3);
+	else
+		lis302dl_interrupt_handle_ff_wu(lis3);
+
 	return IRQ_HANDLED;
 }
 
@@ -374,22 +443,12 @@ static struct miscdevice lis3lv02d_misc_device = {
 	.fops    = &lis3lv02d_misc_fops,
 };
 
-static void lis3lv02d_joystick_poll(struct input_polled_dev *pidev)
-{
-	int x, y, z;
-
-	lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z);
-	input_report_abs(pidev->input, ABS_X, x);
-	input_report_abs(pidev->input, ABS_Y, y);
-	input_report_abs(pidev->input, ABS_Z, z);
-	input_sync(pidev->input);
-}
-
 int lis3lv02d_joystick_enable(void)
 {
 	struct input_dev *input_dev;
 	int err;
 	int max_val, fuzz, flat;
+	int btns[] = {BTN_X, BTN_Y, BTN_Z};
 
 	if (lis3_dev.idev)
 		return -EINVAL;
@@ -416,6 +475,10 @@ int lis3lv02d_joystick_enable(void)
 	input_set_abs_params(input_dev, ABS_Y, -max_val, max_val, fuzz, flat);
 	input_set_abs_params(input_dev, ABS_Z, -max_val, max_val, fuzz, flat);
 
+	lis3_dev.mapped_btns[0] = lis3lv02d_get_axis(abs(lis3_dev.ac.x), btns);
+	lis3_dev.mapped_btns[1] = lis3lv02d_get_axis(abs(lis3_dev.ac.y), btns);
+	lis3_dev.mapped_btns[2] = lis3lv02d_get_axis(abs(lis3_dev.ac.z), btns);
+
 	err = input_register_polled_device(lis3_dev.idev);
 	if (err) {
 		input_free_polled_device(lis3_dev.idev);
@@ -461,7 +524,9 @@ static ssize_t lis3lv02d_position_show(struct device *dev,
 {
 	int x, y, z;
 
+	mutex_lock(&lis3_dev.mutex);
 	lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z);
+	mutex_unlock(&lis3_dev.mutex);
 	return sprintf(buf, "(%d,%d,%d)\n", x, y, z);
 }
 
@@ -535,6 +600,13 @@ static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
 		dev->write(dev, CLICK_THSY_X,
 			(p->click_thresh_x & 0xf) |
 			(p->click_thresh_y << 4));
+
+		if (dev->idev) {
+			struct input_dev *input_dev = lis3_dev.idev->input;
+			input_set_capability(input_dev, EV_KEY, BTN_X);
+			input_set_capability(input_dev, EV_KEY, BTN_Y);
+			input_set_capability(input_dev, EV_KEY, BTN_Z);
+		}
 	}
 
 	if (p->wakeup_flags) {
diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h
index 692e2442ce0..854091380e3 100644
--- a/drivers/hwmon/lis3lv02d.h
+++ b/drivers/hwmon/lis3lv02d.h
@@ -233,6 +233,7 @@ struct lis3lv02d {
 	struct platform_device	*pdev;     /* platform device */
 	atomic_t		count;     /* interrupt count after last read */
 	struct axis_conversion	ac;        /* hw -> logical axis */
+	int			mapped_btns[3];
 
 	u32			irq;       /* IRQ number */
 	struct fasync_struct	*async_queue; /* queue for the misc device */
diff --git a/include/linux/lis3lv02d.h b/include/linux/lis3lv02d.h
index fd289b1e1ec..0e8a346424b 100644
--- a/include/linux/lis3lv02d.h
+++ b/include/linux/lis3lv02d.h
@@ -25,12 +25,14 @@ struct lis3lv02d_platform_data {
 #define LIS3_IRQ1_FF_WU_12	(3 << 0)
 #define LIS3_IRQ1_DATA_READY	(4 << 0)
 #define LIS3_IRQ1_CLICK		(7 << 0)
+#define LIS3_IRQ1_MASK		(7 << 0)
 #define LIS3_IRQ2_DISABLE	(0 << 3)
 #define LIS3_IRQ2_FF_WU_1	(1 << 3)
 #define LIS3_IRQ2_FF_WU_2	(2 << 3)
 #define LIS3_IRQ2_FF_WU_12	(3 << 3)
 #define LIS3_IRQ2_DATA_READY	(4 << 3)
 #define LIS3_IRQ2_CLICK		(7 << 3)
+#define LIS3_IRQ2_MASK		(7 << 3)
 #define LIS3_IRQ_OPEN_DRAIN	(1 << 6)
 #define LIS3_IRQ_ACTIVE_LOW	(1 << 7)
 	unsigned char irq_cfg;

From 4a70a413ccfd1c14ef29a290a4d2dada04ccbefb Mon Sep 17 00:00:00 2001
From: Samu Onkalo <samu.p.onkalo@nokia.com>
Date: Mon, 24 May 2010 14:33:37 -0700
Subject: [PATCH 3088/3638] lis3: setup poll interval limits

Set valid adjustment window (0 - 2000ms).

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/lis3lv02d.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 56a1d34d367..6138f036b15 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -41,6 +41,8 @@
 
 /* joystick device poll interval in milliseconds */
 #define MDPS_POLL_INTERVAL 50
+#define MDPS_POLL_MIN	   0
+#define MDPS_POLL_MAX	   2000
 /*
  * The sensor can also generate interrupts (DRDY) but it's pretty pointless
  * because they are generated even if the data do not change. So it's better
@@ -459,6 +461,8 @@ int lis3lv02d_joystick_enable(void)
 
 	lis3_dev.idev->poll = lis3lv02d_joystick_poll;
 	lis3_dev.idev->poll_interval = MDPS_POLL_INTERVAL;
+	lis3_dev.idev->poll_interval_min = MDPS_POLL_MIN;
+	lis3_dev.idev->poll_interval_max = MDPS_POLL_MAX;
 	input_dev = lis3_dev.idev->input;
 
 	input_dev->name       = "ST LIS3LV02DL Accelerometer";

From e0c70b80786296d4f3c35ebe0d52591cebf8f916 Mon Sep 17 00:00:00 2001
From: Paul Thomas <pthomas8589@gmail.com>
Date: Mon, 24 May 2010 14:33:38 -0700
Subject: [PATCH 3089/3638] hwmon: add TI ads7871 a/d converter driver

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Paul Thomas <pthomas8589@gmail.com>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/Kconfig   |   9 ++
 drivers/hwmon/Makefile  |   1 +
 drivers/hwmon/ads7871.c | 253 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 263 insertions(+)
 create mode 100644 drivers/hwmon/ads7871.c

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 9be8e1754a0..6a9ac754ca5 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -802,6 +802,15 @@ config SENSORS_ADS7828
 	  This driver can also be built as a module.  If so, the module
 	  will be called ads7828.
 
+config SENSORS_ADS7871
+	tristate "Texas Instruments ADS7871 A/D converter"
+	depends on SPI
+	help
+	  If you say yes here you get support for TI ADS7871 & ADS7870
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called ads7871.
+
 config SENSORS_AMC6821
 	tristate "Texas Instruments AMC6821"
 	depends on I2C  && EXPERIMENTAL
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 4aa1a3d112a..86920fb3411 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_SENSORS_ADM1029)	+= adm1029.o
 obj-$(CONFIG_SENSORS_ADM1031)	+= adm1031.o
 obj-$(CONFIG_SENSORS_ADM9240)	+= adm9240.o
 obj-$(CONFIG_SENSORS_ADS7828)	+= ads7828.o
+obj-$(CONFIG_SENSORS_ADS7871)	+= ads7871.o
 obj-$(CONFIG_SENSORS_ADT7411)	+= adt7411.o
 obj-$(CONFIG_SENSORS_ADT7462)	+= adt7462.o
 obj-$(CONFIG_SENSORS_ADT7470)	+= adt7470.o
diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c
new file mode 100644
index 00000000000..b300a2048af
--- /dev/null
+++ b/drivers/hwmon/ads7871.c
@@ -0,0 +1,253 @@
+/*
+ *  ads7871 - driver for TI ADS7871 A/D converter
+ *
+ *  Copyright (c) 2010 Paul Thomas <pthomas8589@gmail.com>
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU General Public License for more details.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 or
+ *  later as publishhed by the Free Software Foundation.
+ *
+ *	You need to have something like this in struct spi_board_info
+ *	{
+ *		.modalias	= "ads7871",
+ *		.max_speed_hz	= 2*1000*1000,
+ *		.chip_select	= 0,
+ *		.bus_num	= 1,
+ *	},
+ */
+
+/*From figure 18 in the datasheet*/
+/*Register addresses*/
+#define REG_LS_BYTE	0 /*A/D Output Data, LS Byte*/
+#define REG_MS_BYTE	1 /*A/D Output Data, MS Byte*/
+#define REG_PGA_VALID	2 /*PGA Valid Register*/
+#define REG_AD_CONTROL	3 /*A/D Control Register*/
+#define REG_GAIN_MUX	4 /*Gain/Mux Register*/
+#define REG_IO_STATE	5 /*Digital I/O State Register*/
+#define REG_IO_CONTROL	6 /*Digital I/O Control Register*/
+#define REG_OSC_CONTROL	7 /*Rev/Oscillator Control Register*/
+#define REG_SER_CONTROL 24 /*Serial Interface Control Register*/
+#define REG_ID		31 /*ID Register*/
+
+/*From figure 17 in the datasheet
+* These bits get ORed with the address to form
+* the instruction byte */
+/*Instruction Bit masks*/
+#define INST_MODE_bm	(1<<7)
+#define INST_READ_bm	(1<<6)
+#define INST_16BIT_bm	(1<<5)
+
+/*From figure 18 in the datasheet*/
+/*bit masks for Rev/Oscillator Control Register*/
+#define MUX_CNV_bv	7
+#define MUX_CNV_bm	(1<<MUX_CNV_bv)
+#define MUX_M3_bm	(1<<3) /*M3 selects single ended*/
+#define MUX_G_bv	4 /*allows for reg = (gain << MUX_G_bv) | ...*/
+
+/*From figure 18 in the datasheet*/
+/*bit masks for Rev/Oscillator Control Register*/
+#define OSC_OSCR_bm	(1<<5)
+#define OSC_OSCE_bm	(1<<4)
+#define OSC_REFE_bm	(1<<3)
+#define OSC_BUFE_bm	(1<<2)
+#define OSC_R2V_bm	(1<<1)
+#define OSC_RBG_bm	(1<<0)
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/spi/spi.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+
+#define DEVICE_NAME	"ads7871"
+
+struct ads7871_data {
+	struct device	*hwmon_dev;
+	struct mutex	update_lock;
+};
+
+static int ads7871_read_reg8(struct spi_device *spi, int reg)
+{
+	int ret;
+	reg = reg | INST_READ_bm;
+	ret = spi_w8r8(spi, reg);
+	return ret;
+}
+
+static int ads7871_read_reg16(struct spi_device *spi, int reg)
+{
+	int ret;
+	reg = reg | INST_READ_bm | INST_16BIT_bm;
+	ret = spi_w8r16(spi, reg);
+	return ret;
+}
+
+static int ads7871_write_reg8(struct spi_device *spi, int reg, u8 val)
+{
+	u8 tmp[2] = {reg, val};
+	return spi_write(spi, tmp, sizeof(tmp));
+}
+
+static ssize_t show_voltage(struct device *dev,
+		struct device_attribute *da, char *buf)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+	int ret, val, i = 0;
+	uint8_t channel, mux_cnv;
+
+	channel = attr->index;
+	/*TODO: add support for conversions
+	 *other than single ended with a gain of 1*/
+	/*MUX_M3_bm forces single ended*/
+	/*This is also where the gain of the PGA would be set*/
+	ads7871_write_reg8(spi, REG_GAIN_MUX,
+		(MUX_CNV_bm | MUX_M3_bm | channel));
+
+	ret = ads7871_read_reg8(spi, REG_GAIN_MUX);
+	mux_cnv = ((ret & MUX_CNV_bm)>>MUX_CNV_bv);
+	/*on 400MHz arm9 platform the conversion
+	 *is already done when we do this test*/
+	while ((i < 2) && mux_cnv) {
+		i++;
+		ret = ads7871_read_reg8(spi, REG_GAIN_MUX);
+		mux_cnv = ((ret & MUX_CNV_bm)>>MUX_CNV_bv);
+		msleep_interruptible(1);
+	}
+
+	if (mux_cnv == 0) {
+		val = ads7871_read_reg16(spi, REG_LS_BYTE);
+		/*result in volts*10000 = (val/8192)*2.5*10000*/
+		val = ((val>>2) * 25000) / 8192;
+		return sprintf(buf, "%d\n", val);
+	} else {
+		return -1;
+	}
+}
+
+static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_voltage, NULL, 0);
+static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 1);
+static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 2);
+static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_voltage, NULL, 3);
+static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_voltage, NULL, 4);
+static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_voltage, NULL, 5);
+static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 6);
+static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 7);
+
+static struct attribute *ads7871_attributes[] = {
+	&sensor_dev_attr_in0_input.dev_attr.attr,
+	&sensor_dev_attr_in1_input.dev_attr.attr,
+	&sensor_dev_attr_in2_input.dev_attr.attr,
+	&sensor_dev_attr_in3_input.dev_attr.attr,
+	&sensor_dev_attr_in4_input.dev_attr.attr,
+	&sensor_dev_attr_in5_input.dev_attr.attr,
+	&sensor_dev_attr_in6_input.dev_attr.attr,
+	&sensor_dev_attr_in7_input.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group ads7871_group = {
+	.attrs = ads7871_attributes,
+};
+
+static int __devinit ads7871_probe(struct spi_device *spi)
+{
+	int status, ret, err = 0;
+	uint8_t val;
+	struct ads7871_data *pdata;
+
+	dev_dbg(&spi->dev, "probe\n");
+
+	pdata = kzalloc(sizeof(struct ads7871_data), GFP_KERNEL);
+	if (!pdata) {
+		err = -ENOMEM;
+		goto exit;
+	}
+
+	status = sysfs_create_group(&spi->dev.kobj, &ads7871_group);
+	if (status < 0)
+		goto error_free;
+
+	pdata->hwmon_dev = hwmon_device_register(&spi->dev);
+	if (IS_ERR(pdata->hwmon_dev)) {
+		err = PTR_ERR(pdata->hwmon_dev);
+		goto error_remove;
+	}
+
+	spi_set_drvdata(spi, pdata);
+
+	/* Configure the SPI bus */
+	spi->mode = (SPI_MODE_0);
+	spi->bits_per_word = 8;
+	spi_setup(spi);
+
+	ads7871_write_reg8(spi, REG_SER_CONTROL, 0);
+	ads7871_write_reg8(spi, REG_AD_CONTROL, 0);
+
+	val = (OSC_OSCR_bm | OSC_OSCE_bm | OSC_REFE_bm | OSC_BUFE_bm);
+	ads7871_write_reg8(spi, REG_OSC_CONTROL, val);
+	ret = ads7871_read_reg8(spi, REG_OSC_CONTROL);
+
+	dev_dbg(&spi->dev, "REG_OSC_CONTROL write:%x, read:%x\n", val, ret);
+	/*because there is no other error checking on an SPI bus
+	we need to make sure we really have a chip*/
+	if (val != ret) {
+		err = -ENODEV;
+		goto error_remove;
+	}
+
+	return 0;
+
+error_remove:
+	sysfs_remove_group(&spi->dev.kobj, &ads7871_group);
+error_free:
+	kfree(pdata);
+exit:
+	return err;
+}
+
+static int __devexit ads7871_remove(struct spi_device *spi)
+{
+	struct ads7871_data *pdata = spi_get_drvdata(spi);
+
+	hwmon_device_unregister(pdata->hwmon_dev);
+	sysfs_remove_group(&spi->dev.kobj, &ads7871_group);
+	kfree(pdata);
+	return 0;
+}
+
+static struct spi_driver ads7871_driver = {
+	.driver = {
+		.name = DEVICE_NAME,
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = ads7871_probe,
+	.remove = __devexit_p(ads7871_remove),
+};
+
+static int __init ads7871_init(void)
+{
+	return spi_register_driver(&ads7871_driver);
+}
+
+static void __exit ads7871_exit(void)
+{
+	spi_unregister_driver(&ads7871_driver);
+}
+
+module_init(ads7871_init);
+module_exit(ads7871_exit);
+
+MODULE_AUTHOR("Paul Thomas <pthomas8589@gmail.com>");
+MODULE_DESCRIPTION("TI ADS7871 A/D driver");
+MODULE_LICENSE("GPL");

From 5db47b009d17d69a2f8d84357e7b24c3e3c2edec Mon Sep 17 00:00:00 2001
From: Carsten Emde <C.Emde@osadl.org>
Date: Mon, 24 May 2010 14:33:39 -0700
Subject: [PATCH 3090/3638] drivers/hwmon/coretemp.c: detect the thermal
 sensors by CPUID

The thermal sensors of Intel(R) CPUs can be detected by CPUID instruction,
indicated by CPUID.06H.EAX[0].

Signed-off-by: Huaxu Wan <huaxu.wan@linux.intel.com>
Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Reviewed-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Yong Wang <yong.y.wang@linux.intel.com>
Cc: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/coretemp.c | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index e9b7fbc5a44..9fae7cbc5d7 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -451,28 +451,20 @@ static int __init coretemp_init(void)
 
 	for_each_online_cpu(i) {
 		struct cpuinfo_x86 *c = &cpu_data(i);
+		/*
+		 * CPUID.06H.EAX[0] indicates whether the CPU has thermal
+		 * sensors. We check this bit only, all the early CPUs
+		 * without thermal sensors will be filtered out.
+		 */
+		if (c->cpuid_level >= 6 && (cpuid_eax(0x06) & 0x01)) {
+			err = coretemp_device_add(i);
+			if (err)
+				goto exit_devices_unreg;
 
-		/* check if family 6, models 0xe (Pentium M DC),
-		  0xf (Core 2 DC 65nm), 0x16 (Core 2 SC 65nm),
-		  0x17 (Penryn 45nm), 0x1a (Nehalem), 0x1c (Atom),
-		  0x1e (Lynnfield) */
-		if ((c->cpuid_level < 0) || (c->x86 != 0x6) ||
-		    !((c->x86_model == 0xe) || (c->x86_model == 0xf) ||
-			(c->x86_model == 0x16) || (c->x86_model == 0x17) ||
-			(c->x86_model == 0x1a) || (c->x86_model == 0x1c) ||
-			(c->x86_model == 0x1e))) {
-
-			/* supported CPU not found, but report the unknown
-			   family 6 CPU */
-			if ((c->x86 == 0x6) && (c->x86_model > 0xf))
-				printk(KERN_WARNING DRVNAME ": Unknown CPU "
-					"model 0x%x\n", c->x86_model);
-			continue;
+		} else {
+			printk(KERN_INFO DRVNAME ": CPU (model=0x%x)"
+				" has no thermal sensor.\n", c->x86_model);
 		}
-
-		err = coretemp_device_add(i);
-		if (err)
-			goto exit_devices_unreg;
 	}
 	if (list_empty(&pdev_list)) {
 		err = -ENODEV;

From a321cedb12904114e2ba5041a3673ca24deb09c9 Mon Sep 17 00:00:00 2001
From: Carsten Emde <C.Emde@osadl.org>
Date: Mon, 24 May 2010 14:33:41 -0700
Subject: [PATCH 3091/3638] drivers/hwmon/coretemp.c: get TjMax value from MSR

The MSR IA32_TEMPERATURE_TARGET contains the TjMax value in the newer
Intel processors.

Signed-off-by: Huaxu Wan <huaxu.wan@linux.intel.com>
Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Yong Wang <yong.y.wang@linux.intel.com>
Cc: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/include/asm/msr-index.h |  2 ++
 drivers/hwmon/coretemp.c         | 61 +++++++++++++++++++++++++++++---
 2 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index f9324851eba..b49d8ca228f 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -236,6 +236,8 @@
 
 #define MSR_IA32_MISC_ENABLE		0x000001a0
 
+#define MSR_IA32_TEMPERATURE_TARGET	0x000001a2
+
 /* MISC_ENABLE bits: architectural */
 #define MSR_IA32_MISC_ENABLE_FAST_STRING	(1ULL << 0)
 #define MSR_IA32_MISC_ENABLE_TCC		(1ULL << 1)
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 9fae7cbc5d7..2988da150ed 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -241,6 +241,55 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *
 	return tjmax;
 }
 
+static int __devinit get_tjmax(struct cpuinfo_x86 *c, u32 id,
+			       struct device *dev)
+{
+	/* The 100C is default for both mobile and non mobile CPUs */
+	int err;
+	u32 eax, edx;
+	u32 val;
+
+	/* A new feature of current Intel(R) processors, the
+	   IA32_TEMPERATURE_TARGET contains the TjMax value */
+	err = rdmsr_safe_on_cpu(id, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx);
+	if (err) {
+		dev_warn(dev, "Unable to read TjMax from CPU.\n");
+	} else {
+		val = (eax >> 16) & 0xff;
+		/*
+		 * If the TjMax is not plausible, an assumption
+		 * will be used
+		 */
+		if ((val > 80) && (val < 120)) {
+			dev_info(dev, "TjMax is %d C.\n", val);
+			return val * 1000;
+		}
+	}
+
+	/*
+	 * An assumption is made for early CPUs and unreadable MSR.
+	 * NOTE: the given value may not be correct.
+	 */
+
+	switch (c->x86_model) {
+	case 0xe:
+	case 0xf:
+	case 0x16:
+	case 0x1a:
+		dev_warn(dev, "TjMax is assumed as 100 C!\n");
+		return 100000;
+		break;
+	case 0x17:
+	case 0x1c:		/* Atom CPUs */
+		return adjust_tjmax(c, id, dev);
+		break;
+	default:
+		dev_warn(dev, "CPU (model=0x%x) is not supported yet,"
+			" using default TjMax of 100C.\n", c->x86_model);
+		return 100000;
+	}
+}
+
 static int __devinit coretemp_probe(struct platform_device *pdev)
 {
 	struct coretemp_data *data;
@@ -283,14 +332,18 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
 		}
 	}
 
-	data->tjmax = adjust_tjmax(c, data->id, &pdev->dev);
+	data->tjmax = get_tjmax(c, data->id, &pdev->dev);
 	platform_set_drvdata(pdev, data);
 
-	/* read the still undocumented IA32_TEMPERATURE_TARGET it exists
-	   on older CPUs but not in this register, Atoms don't have it either */
+	/*
+	 * read the still undocumented IA32_TEMPERATURE_TARGET. It exists
+	 * on older CPUs but not in this register,
+	 * Atoms don't have it either.
+	 */
 
 	if ((c->x86_model > 0xe) && (c->x86_model != 0x1c)) {
-		err = rdmsr_safe_on_cpu(data->id, 0x1a2, &eax, &edx);
+		err = rdmsr_safe_on_cpu(data->id, MSR_IA32_TEMPERATURE_TARGET,
+		    &eax, &edx);
 		if (err) {
 			dev_warn(&pdev->dev, "Unable to read"
 					" IA32_TEMPERATURE_TARGET MSR\n");

From f3bc3189a001ec85c7b1119ad4aa5e39eea0f05e Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 24 May 2010 14:33:41 -0700
Subject: [PATCH 3092/3638] xen: fix build when SYSRQ is disabled

Fix build error when CONFIG_MAGIC_SYSRQ is not enabled:

drivers/xen/manage.c:223: error: implicit declaration of function 'handle_sysrq'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/xen/manage.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 8943b8ccee1..07e857b0de1 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -185,6 +185,7 @@ static void shutdown_handler(struct xenbus_watch *watch,
 	kfree(str);
 }
 
+#ifdef CONFIG_MAGIC_SYSRQ
 static void sysrq_handler(struct xenbus_watch *watch, const char **vec,
 			  unsigned int len)
 {
@@ -214,15 +215,16 @@ static void sysrq_handler(struct xenbus_watch *watch, const char **vec,
 		handle_sysrq(sysrq_key, NULL);
 }
 
-static struct xenbus_watch shutdown_watch = {
-	.node = "control/shutdown",
-	.callback = shutdown_handler
-};
-
 static struct xenbus_watch sysrq_watch = {
 	.node = "control/sysrq",
 	.callback = sysrq_handler
 };
+#endif
+
+static struct xenbus_watch shutdown_watch = {
+	.node = "control/shutdown",
+	.callback = shutdown_handler
+};
 
 static int setup_shutdown_watcher(void)
 {
@@ -234,11 +236,13 @@ static int setup_shutdown_watcher(void)
 		return err;
 	}
 
+#ifdef CONFIG_MAGIC_SYSRQ
 	err = register_xenbus_watch(&sysrq_watch);
 	if (err) {
 		printk(KERN_ERR "Failed to set sysrq watcher\n");
 		return err;
 	}
+#endif
 
 	return 0;
 }

From 337bbfdbffa5c893e80f96a3bf117743ceb0fefc Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Mon, 24 May 2010 14:33:43 -0700
Subject: [PATCH 3093/3638] smbfs: remove duplicated #include

Remove duplicated #include('s) in fs/smbfs/symlink.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/smbfs/symlink.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/smbfs/symlink.c b/fs/smbfs/symlink.c
index 54350b59046..00b2909bd46 100644
--- a/fs/smbfs/symlink.c
+++ b/fs/smbfs/symlink.c
@@ -15,7 +15,6 @@
 #include <linux/pagemap.h>
 #include <linux/net.h>
 #include <linux/namei.h>
-#include <linux/slab.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>

From 9f4123b78d02ba48e7e6e3cd9de789c9b85b557a Mon Sep 17 00:00:00 2001
From: Maurus Cuelenaere <mcuelenaere@gmail.com>
Date: Mon, 24 May 2010 14:33:43 -0700
Subject: [PATCH 3094/3638] s3c rtc driver: add support for S3C64xx

Add support for the S3C64xx SoC to the generic S3C RTC driver.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Cc: Frans Pop <elendil@planet.nl>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/arm/plat-samsung/include/plat/regs-rtc.h |   4 +
 drivers/rtc/Kconfig                           |   2 +-
 drivers/rtc/rtc-s3c.c                         | 105 ++++++++++++++----
 3 files changed, 91 insertions(+), 20 deletions(-)

diff --git a/arch/arm/plat-samsung/include/plat/regs-rtc.h b/arch/arm/plat-samsung/include/plat/regs-rtc.h
index d5837cf8e40..65c190d142d 100644
--- a/arch/arm/plat-samsung/include/plat/regs-rtc.h
+++ b/arch/arm/plat-samsung/include/plat/regs-rtc.h
@@ -20,6 +20,10 @@
 #define S3C2410_RTCCON_CLKSEL (1<<1)
 #define S3C2410_RTCCON_CNTSEL (1<<2)
 #define S3C2410_RTCCON_CLKRST (1<<3)
+#define S3C64XX_RTCCON_TICEN  (1<<8)
+
+#define S3C64XX_RTCCON_TICMSK (0xF<<7)
+#define S3C64XX_RTCCON_TICSHT (7)
 
 #define S3C2410_TICNT	      S3C2410_RTCREG(0x44)
 #define S3C2410_TICNT_ENABLE  (1<<7)
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 50ac047cd13..f1598324344 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -640,7 +640,7 @@ config RTC_DRV_OMAP
 
 config RTC_DRV_S3C
 	tristate "Samsung S3C series SoC RTC"
-	depends on ARCH_S3C2410
+	depends on ARCH_S3C2410 || ARCH_S3C64XX
 	help
 	  RTC (Realtime Clock) driver for the clock inbuilt into the
 	  Samsung S3C24XX series of SoCs. This can provide periodic
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 4969b6059c8..e5972b2c17b 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -29,6 +29,11 @@
 #include <asm/irq.h>
 #include <plat/regs-rtc.h>
 
+enum s3c_cpu_type {
+	TYPE_S3C2410,
+	TYPE_S3C64XX,
+};
+
 /* I have yet to find an S3C implementation with more than one
  * of these rtc blocks in */
 
@@ -37,6 +42,7 @@ static struct resource *s3c_rtc_mem;
 static void __iomem *s3c_rtc_base;
 static int s3c_rtc_alarmno = NO_IRQ;
 static int s3c_rtc_tickno  = NO_IRQ;
+static enum s3c_cpu_type s3c_rtc_cpu_type;
 
 static DEFINE_SPINLOCK(s3c_rtc_pie_lock);
 
@@ -80,12 +86,25 @@ static int s3c_rtc_setpie(struct device *dev, int enabled)
 	pr_debug("%s: pie=%d\n", __func__, enabled);
 
 	spin_lock_irq(&s3c_rtc_pie_lock);
-	tmp = readb(s3c_rtc_base + S3C2410_TICNT) & ~S3C2410_TICNT_ENABLE;
 
-	if (enabled)
-		tmp |= S3C2410_TICNT_ENABLE;
+	if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
+		tmp = readb(s3c_rtc_base + S3C2410_RTCCON);
+		tmp &= ~S3C64XX_RTCCON_TICEN;
+
+		if (enabled)
+			tmp |= S3C64XX_RTCCON_TICEN;
+
+		writeb(tmp, s3c_rtc_base + S3C2410_RTCCON);
+	} else {
+		tmp = readb(s3c_rtc_base + S3C2410_TICNT);
+		tmp &= ~S3C2410_TICNT_ENABLE;
+
+		if (enabled)
+			tmp |= S3C2410_TICNT_ENABLE;
+
+		writeb(tmp, s3c_rtc_base + S3C2410_TICNT);
+	}
 
-	writeb(tmp, s3c_rtc_base + S3C2410_TICNT);
 	spin_unlock_irq(&s3c_rtc_pie_lock);
 
 	return 0;
@@ -93,15 +112,21 @@ static int s3c_rtc_setpie(struct device *dev, int enabled)
 
 static int s3c_rtc_setfreq(struct device *dev, int freq)
 {
-	unsigned int tmp;
+	struct platform_device *pdev = to_platform_device(dev);
+	struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
+	unsigned int tmp = 0;
 
 	if (!is_power_of_2(freq))
 		return -EINVAL;
 
 	spin_lock_irq(&s3c_rtc_pie_lock);
 
-	tmp = readb(s3c_rtc_base + S3C2410_TICNT) & S3C2410_TICNT_ENABLE;
-	tmp |= (128 / freq)-1;
+	if (s3c_rtc_cpu_type == TYPE_S3C2410) {
+		tmp = readb(s3c_rtc_base + S3C2410_TICNT);
+		tmp &= S3C2410_TICNT_ENABLE;
+	}
+
+	tmp |= (rtc_dev->max_user_freq / freq)-1;
 
 	writeb(tmp, s3c_rtc_base + S3C2410_TICNT);
 	spin_unlock_irq(&s3c_rtc_pie_lock);
@@ -283,10 +308,17 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 static int s3c_rtc_proc(struct device *dev, struct seq_file *seq)
 {
-	unsigned int ticnt = readb(s3c_rtc_base + S3C2410_TICNT);
+	unsigned int ticnt;
 
-	seq_printf(seq, "periodic_IRQ\t: %s\n",
-		     (ticnt & S3C2410_TICNT_ENABLE) ? "yes" : "no" );
+	if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
+		ticnt = readb(s3c_rtc_base + S3C2410_RTCCON);
+		ticnt &= S3C64XX_RTCCON_TICEN;
+	} else {
+		ticnt = readb(s3c_rtc_base + S3C2410_TICNT);
+		ticnt &= S3C2410_TICNT_ENABLE;
+	}
+
+	seq_printf(seq, "periodic_IRQ\t: %s\n", ticnt  ? "yes" : "no");
 	return 0;
 }
 
@@ -353,10 +385,16 @@ static void s3c_rtc_enable(struct platform_device *pdev, int en)
 
 	if (!en) {
 		tmp = readb(base + S3C2410_RTCCON);
-		writeb(tmp & ~S3C2410_RTCCON_RTCEN, base + S3C2410_RTCCON);
+		if (s3c_rtc_cpu_type == TYPE_S3C64XX)
+			tmp &= ~S3C64XX_RTCCON_TICEN;
+		tmp &= ~S3C2410_RTCCON_RTCEN;
+		writeb(tmp, base + S3C2410_RTCCON);
 
-		tmp = readb(base + S3C2410_TICNT);
-		writeb(tmp & ~S3C2410_TICNT_ENABLE, base + S3C2410_TICNT);
+		if (s3c_rtc_cpu_type == TYPE_S3C2410) {
+			tmp = readb(base + S3C2410_TICNT);
+			tmp &= ~S3C2410_TICNT_ENABLE;
+			writeb(tmp, base + S3C2410_TICNT);
+		}
 	} else {
 		/* re-enable the device, and check it is ok */
 
@@ -472,7 +510,12 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 		goto err_nortc;
 	}
 
-	rtc->max_user_freq = 128;
+	if (s3c_rtc_cpu_type == TYPE_S3C64XX)
+		rtc->max_user_freq = 32768;
+	else
+		rtc->max_user_freq = 128;
+
+	s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data;
 
 	platform_set_drvdata(pdev, rtc);
 	return 0;
@@ -492,20 +535,30 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 
 /* RTC Power management control */
 
-static int ticnt_save;
+static int ticnt_save, ticnt_en_save;
 
 static int s3c_rtc_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	/* save TICNT for anyone using periodic interrupts */
 	ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT);
+	if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
+		ticnt_en_save = readb(s3c_rtc_base + S3C2410_RTCCON);
+		ticnt_en_save &= S3C64XX_RTCCON_TICEN;
+	}
 	s3c_rtc_enable(pdev, 0);
 	return 0;
 }
 
 static int s3c_rtc_resume(struct platform_device *pdev)
 {
+	unsigned int tmp;
+
 	s3c_rtc_enable(pdev, 1);
 	writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT);
+	if (s3c_rtc_cpu_type == TYPE_S3C64XX && ticnt_en_save) {
+		tmp = readb(s3c_rtc_base + S3C2410_RTCCON);
+		writeb(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON);
+	}
 	return 0;
 }
 #else
@@ -513,13 +566,27 @@ static int s3c_rtc_resume(struct platform_device *pdev)
 #define s3c_rtc_resume  NULL
 #endif
 
-static struct platform_driver s3c2410_rtc_driver = {
+static struct platform_device_id s3c_rtc_driver_ids[] = {
+	{
+		.name		= "s3c2410-rtc",
+		.driver_data	= TYPE_S3C2410,
+	}, {
+		.name		= "s3c64xx-rtc",
+		.driver_data	= TYPE_S3C64XX,
+	},
+	{ }
+};
+
+MODULE_DEVICE_TABLE(platform, s3c_rtc_driver_ids);
+
+static struct platform_driver s3c_rtc_driver = {
 	.probe		= s3c_rtc_probe,
 	.remove		= __devexit_p(s3c_rtc_remove),
 	.suspend	= s3c_rtc_suspend,
 	.resume		= s3c_rtc_resume,
+	.id_table	= s3c_rtc_driver_ids,
 	.driver		= {
-		.name	= "s3c2410-rtc",
+		.name	= "s3c-rtc",
 		.owner	= THIS_MODULE,
 	},
 };
@@ -529,12 +596,12 @@ static char __initdata banner[] = "S3C24XX RTC, (c) 2004,2006 Simtec Electronics
 static int __init s3c_rtc_init(void)
 {
 	printk(banner);
-	return platform_driver_register(&s3c2410_rtc_driver);
+	return platform_driver_register(&s3c_rtc_driver);
 }
 
 static void __exit s3c_rtc_exit(void)
 {
-	platform_driver_unregister(&s3c2410_rtc_driver);
+	platform_driver_unregister(&s3c_rtc_driver);
 }
 
 module_init(s3c_rtc_init);

From 5cf8f57d44d16652336fabdd65e727a6e6f98cd5 Mon Sep 17 00:00:00 2001
From: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Date: Mon, 24 May 2010 14:33:46 -0700
Subject: [PATCH 3095/3638] rtc-mxc: remove unnecessary clock source for rtc
 subsystem

On imx SoCs rtc clock parent is CKIL, but clock rate shall be determined
using rtc clock itself, that eliminates CKIL clock usage in the driver.

Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-mxc.c | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index d71fe61db1d..25ec921db07 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -379,7 +379,6 @@ static struct rtc_class_ops mxc_rtc_ops = {
 
 static int __init mxc_rtc_probe(struct platform_device *pdev)
 {
-	struct clk *clk;
 	struct resource *res;
 	struct rtc_device *rtc;
 	struct rtc_plat_data *pdata = NULL;
@@ -402,14 +401,15 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 	pdata->ioaddr = devm_ioremap(&pdev->dev, res->start,
 				     resource_size(res));
 
-	clk = clk_get(&pdev->dev, "ckil");
-	if (IS_ERR(clk)) {
-		ret = PTR_ERR(clk);
+	pdata->clk = clk_get(&pdev->dev, "rtc");
+	if (IS_ERR(pdata->clk)) {
+		dev_err(&pdev->dev, "unable to get clock!\n");
+		ret = PTR_ERR(pdata->clk);
 		goto exit_free_pdata;
 	}
 
-	rate = clk_get_rate(clk);
-	clk_put(clk);
+	clk_enable(pdata->clk);
+	rate = clk_get_rate(pdata->clk);
 
 	if (rate == 32768)
 		reg = RTC_INPUT_CLK_32768HZ;
@@ -420,7 +420,7 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 	else {
 		dev_err(&pdev->dev, "rtc clock is not valid (%lu)\n", rate);
 		ret = -EINVAL;
-		goto exit_free_pdata;
+		goto exit_put_clk;
 	}
 
 	reg |= RTC_ENABLE_BIT;
@@ -428,18 +428,9 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 	if (((readw(pdata->ioaddr + RTC_RTCCTL)) & RTC_ENABLE_BIT) == 0) {
 		dev_err(&pdev->dev, "hardware module can't be enabled!\n");
 		ret = -EIO;
-		goto exit_free_pdata;
+		goto exit_put_clk;
 	}
 
-	pdata->clk = clk_get(&pdev->dev, "rtc");
-	if (IS_ERR(pdata->clk)) {
-		dev_err(&pdev->dev, "unable to get clock!\n");
-		ret = PTR_ERR(pdata->clk);
-		goto exit_free_pdata;
-	}
-
-	clk_enable(pdata->clk);
-
 	rtc = rtc_device_register(pdev->name, &pdev->dev, &mxc_rtc_ops,
 				  THIS_MODULE);
 	if (IS_ERR(rtc)) {

From e17ab5cbed795d3823da830f5e8d3ffe25a38446 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 24 May 2010 14:33:46 -0700
Subject: [PATCH 3096/3638] rtc-isl1208: use sysfs_{create/remove}_group

Instead of individually creating and removing the sysfs device attribute
files, wrap them in an attribute_group and use
sysfs_{create/remove}_group.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-isl1208.c | 45 ++++++++++-----------------------------
 1 file changed, 11 insertions(+), 34 deletions(-)

diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index 054e05294af..468200c38ec 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -462,39 +462,16 @@ isl1208_sysfs_store_usr(struct device *dev,
 static DEVICE_ATTR(usr, S_IRUGO | S_IWUSR, isl1208_sysfs_show_usr,
 		   isl1208_sysfs_store_usr);
 
-static int
-isl1208_sysfs_register(struct device *dev)
-{
-	int err;
+static struct attribute *isl1208_rtc_attrs[] = {
+	&dev_attr_atrim.attr,
+	&dev_attr_dtrim.attr,
+	&dev_attr_usr.attr,
+	NULL
+};
 
-	err = device_create_file(dev, &dev_attr_atrim);
-	if (err)
-		return err;
-
-	err = device_create_file(dev, &dev_attr_dtrim);
-	if (err) {
-		device_remove_file(dev, &dev_attr_atrim);
-		return err;
-	}
-
-	err = device_create_file(dev, &dev_attr_usr);
-	if (err) {
-		device_remove_file(dev, &dev_attr_atrim);
-		device_remove_file(dev, &dev_attr_dtrim);
-	}
-
-	return 0;
-}
-
-static int
-isl1208_sysfs_unregister(struct device *dev)
-{
-	device_remove_file(dev, &dev_attr_dtrim);
-	device_remove_file(dev, &dev_attr_atrim);
-	device_remove_file(dev, &dev_attr_usr);
-
-	return 0;
-}
+static const struct attribute_group isl1208_rtc_sysfs_files = {
+	.attrs	= isl1208_rtc_attrs,
+};
 
 static int
 isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
@@ -529,7 +506,7 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		dev_warn(&client->dev, "rtc power failure detected, "
 			 "please set clock.\n");
 
-	rc = isl1208_sysfs_register(&client->dev);
+	rc = sysfs_create_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
 	if (rc)
 		goto exit_unregister;
 
@@ -546,7 +523,7 @@ isl1208_remove(struct i2c_client *client)
 {
 	struct rtc_device *rtc = i2c_get_clientdata(client);
 
-	isl1208_sysfs_unregister(&client->dev);
+	sysfs_remove_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
 	rtc_device_unregister(rtc);
 
 	return 0;

From 72cc8e51cfdde9007adab7d841ac4113b05b2c56 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <maz@misterjones.org>
Date: Mon, 24 May 2010 14:33:47 -0700
Subject: [PATCH 3097/3638] rtc-ds1302: add some abstraction for new platform
 support

The current ds1302 driver (or at least the one that lives in /drivers/rtc)
seems to be designed for memory mapped devices only.  This make it quite
hard to add support for GPIO-based implementations (as this is the case
for the upcoming Arcom Vulcan).

This patch moves the direct register access to inline functions with
explicit names.  Still not as good as a proper platform driver, but at
least neater.

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-ds1302.c | 85 +++++++++++++++++++++++++++++++---------
 1 file changed, 67 insertions(+), 18 deletions(-)

diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index 532acf9b05d..359d1e04626 100644
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -16,7 +16,6 @@
 #include <linux/rtc.h>
 #include <linux/io.h>
 #include <linux/bcd.h>
-#include <asm/rtc.h>
 
 #define DRV_NAME	"rtc-ds1302"
 #define DRV_VERSION	"0.1.1"
@@ -34,14 +33,55 @@
 #define	RTC_ADDR_MIN	0x01		/* Address of minute register */
 #define	RTC_ADDR_SEC	0x00		/* Address of second register */
 
+#ifdef CONFIG_SH_SECUREEDGE5410
+#include <asm/rtc.h>
+#include <mach/snapgear.h>
+
 #define	RTC_RESET	0x1000
 #define	RTC_IODATA	0x0800
 #define	RTC_SCLK	0x0400
 
-#ifdef CONFIG_SH_SECUREEDGE5410
-#include <mach/snapgear.h>
 #define set_dp(x)	SECUREEDGE_WRITE_IOPORT(x, 0x1c00)
 #define get_dp()	SECUREEDGE_READ_IOPORT()
+#define ds1302_set_tx()
+#define ds1302_set_rx()
+
+static inline int ds1302_hw_init(void)
+{
+	return 0;
+}
+
+static inline void ds1302_reset(void)
+{
+	set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
+}
+
+static inline void ds1302_clock(void)
+{
+	set_dp(get_dp() | RTC_SCLK);	/* clock high */
+	set_dp(get_dp() & ~RTC_SCLK);	/* clock low */
+}
+
+static inline void ds1302_start(void)
+{
+	set_dp(get_dp() | RTC_RESET);
+}
+
+static inline void ds1302_stop(void)
+{
+	set_dp(get_dp() & ~RTC_RESET);
+}
+
+static inline void ds1302_txbit(int bit)
+{
+	set_dp((get_dp() & ~RTC_IODATA) | (bit ? RTC_IODATA : 0));
+}
+
+static inline int ds1302_rxbit(void)
+{
+	return !!(get_dp() & RTC_IODATA);
+}
+
 #else
 #error "Add support for your platform"
 #endif
@@ -50,11 +90,11 @@ static void ds1302_sendbits(unsigned int val)
 {
 	int i;
 
+	ds1302_set_tx();
+
 	for (i = 8; (i); i--, val >>= 1) {
-		set_dp((get_dp() & ~RTC_IODATA) | ((val & 0x1) ?
-			RTC_IODATA : 0));
-		set_dp(get_dp() | RTC_SCLK);	/* clock high */
-		set_dp(get_dp() & ~RTC_SCLK);	/* clock low */
+		ds1302_txbit(val & 0x1);
+		ds1302_clock();
 	}
 }
 
@@ -63,10 +103,11 @@ static unsigned int ds1302_recvbits(void)
 	unsigned int val;
 	int i;
 
+	ds1302_set_rx();
+
 	for (i = 0, val = 0; (i < 8); i++) {
-		val |= (((get_dp() & RTC_IODATA) ? 1 : 0) << i);
-		set_dp(get_dp() | RTC_SCLK);	/* clock high */
-		set_dp(get_dp() & ~RTC_SCLK);	/* clock low */
+		val |= (ds1302_rxbit() << i);
+		ds1302_clock();
 	}
 
 	return val;
@@ -76,23 +117,24 @@ static unsigned int ds1302_readbyte(unsigned int addr)
 {
 	unsigned int val;
 
-	set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
+	ds1302_reset();
 
-	set_dp(get_dp() | RTC_RESET);
+	ds1302_start();
 	ds1302_sendbits(((addr & 0x3f) << 1) | RTC_CMD_READ);
 	val = ds1302_recvbits();
-	set_dp(get_dp() & ~RTC_RESET);
+	ds1302_stop();
 
 	return val;
 }
 
 static void ds1302_writebyte(unsigned int addr, unsigned int val)
 {
-	set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
-	set_dp(get_dp() | RTC_RESET);
+	ds1302_reset();
+
+	ds1302_start();
 	ds1302_sendbits(((addr & 0x3f) << 1) | RTC_CMD_WRITE);
 	ds1302_sendbits(val);
-	set_dp(get_dp() & ~RTC_RESET);
+	ds1302_stop();
 }
 
 static int ds1302_rtc_read_time(struct device *dev, struct rtc_time *tm)
@@ -167,13 +209,20 @@ static int __init ds1302_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 
+	if (ds1302_hw_init()) {
+		dev_err(&pdev->dev, "Failed to init communication channel");
+		return -EINVAL;
+	}
+
 	/* Reset */
-	set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
+	ds1302_reset();
 
 	/* Write a magic value to the DS1302 RAM, and see if it sticks. */
 	ds1302_writebyte(RTC_ADDR_RAM0, 0x42);
-	if (ds1302_readbyte(RTC_ADDR_RAM0) != 0x42)
+	if (ds1302_readbyte(RTC_ADDR_RAM0) != 0x42) {
+		dev_err(&pdev->dev, "Failed to probe");
 		return -ENODEV;
+	}
 
 	rtc = rtc_device_register("ds1302", &pdev->dev,
 					   &ds1302_rtc_ops, THIS_MODULE);

From 6ba8bcd457d9fc793ac9435aa2e4138f571d4ec5 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 24 May 2010 14:33:49 -0700
Subject: [PATCH 3098/3638] rtc-cmos: do dev_set_drvdata() earlier in the
 initialization

The bug is an oops when dev_get_drvdata() returned null in
cmos_update_irq_enable().  The call tree looks like this:
  rtc_dev_ioctl()
    => rtc_update_irq_enable()
      => cmos_update_irq_enable()

It's caused by a race condition in the module initialization.  It is
rtc_device_register() which makes the ioctl operations live so I moved
the call to dev_set_drvdata() before the call to rtc_device_register().

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=15963

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Cc: Malte Schroder <maltesch@gmx.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-cmos.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 96e8e70fbf1..11b8ea29d2b 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -719,6 +719,9 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 		}
 	}
 
+	cmos_rtc.dev = dev;
+	dev_set_drvdata(dev, &cmos_rtc);
+
 	cmos_rtc.rtc = rtc_device_register(driver_name, dev,
 				&cmos_rtc_ops, THIS_MODULE);
 	if (IS_ERR(cmos_rtc.rtc)) {
@@ -726,8 +729,6 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 		goto cleanup0;
 	}
 
-	cmos_rtc.dev = dev;
-	dev_set_drvdata(dev, &cmos_rtc);
 	rename_region(ports, dev_name(&cmos_rtc.rtc->dev));
 
 	spin_lock_irq(&rtc_lock);

From 5815e5d36eff44b3dd38943f3a98a4d9ce985118 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 24 May 2010 14:33:51 -0700
Subject: [PATCH 3099/3638] rtc: use genirq directly in rtc-wm831x

Now that the WM831x core uses genirq for the IRQ controller there is no
need to use the WM831x-specific wrappers to request interrupts so convert
to use genirq directly.

Also use more meaningful strings to make /proc/interrupts more readily
legible.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-wm831x.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c
index b16cfe57a48..82931dc65c0 100644
--- a/drivers/rtc/rtc-wm831x.c
+++ b/drivers/rtc/rtc-wm831x.c
@@ -449,17 +449,17 @@ static int wm831x_rtc_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	ret = wm831x_request_irq(wm831x, per_irq, wm831x_per_irq,
-				 IRQF_TRIGGER_RISING, "wm831x_rtc_per",
-				 wm831x_rtc);
+	ret = request_threaded_irq(per_irq, NULL, wm831x_per_irq,
+				   IRQF_TRIGGER_RISING, "RTC period",
+				   wm831x_rtc);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request periodic IRQ %d: %d\n",
 			per_irq, ret);
 	}
 
-	ret = wm831x_request_irq(wm831x, alm_irq, wm831x_alm_irq,
-				 IRQF_TRIGGER_RISING, "wm831x_rtc_alm",
-				 wm831x_rtc);
+	ret = request_threaded_irq(alm_irq, NULL, wm831x_alm_irq,
+				   IRQF_TRIGGER_RISING, "RTC alarm",
+				   wm831x_rtc);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request alarm IRQ %d: %d\n",
 			alm_irq, ret);
@@ -478,8 +478,8 @@ static int __devexit wm831x_rtc_remove(struct platform_device *pdev)
 	int per_irq = platform_get_irq_byname(pdev, "PER");
 	int alm_irq = platform_get_irq_byname(pdev, "ALM");
 
-	wm831x_free_irq(wm831x_rtc->wm831x, alm_irq, wm831x_rtc);
-	wm831x_free_irq(wm831x_rtc->wm831x, per_irq, wm831x_rtc);
+	free_irq(alm_irq, wm831x_rtc);
+	free_irq(per_irq, wm831x_rtc);
 	rtc_device_unregister(wm831x_rtc->rtc);
 	kfree(wm831x_rtc);
 

From fbd65e0ecdeffe5e50ad850fb7240888b1af6b22 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Mon, 24 May 2010 14:33:52 -0700
Subject: [PATCH 3100/3638] fbdev: bfin-lq035q1-fb: respect new PPI mode
 platform field

This lets us support the new BF527-EZKIT V2.1 via platform resources
tweaks only.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/bfin-lq035q1-fb.c | 252 ++++++++++++++++++--------------
 1 file changed, 146 insertions(+), 106 deletions(-)

diff --git a/drivers/video/bfin-lq035q1-fb.c b/drivers/video/bfin-lq035q1-fb.c
index 2baac7cc142..c8e1f04941b 100644
--- a/drivers/video/bfin-lq035q1-fb.c
+++ b/drivers/video/bfin-lq035q1-fb.c
@@ -61,47 +61,13 @@
 #define LCD_X_RES		320	/* Horizontal Resolution */
 #define LCD_Y_RES		240	/* Vertical Resolution */
 #define	DMA_BUS_SIZE		16
+#define U_LINE			4	/* Blanking Lines */
 
-#define USE_RGB565_16_BIT_PPI
-
-#ifdef USE_RGB565_16_BIT_PPI
-#define LCD_BPP		16	/* Bit Per Pixel */
-#define CLOCKS_PER_PIX	1
-#define CPLD_PIPELINE_DELAY_COR 0	/* NO CPLB */
-#endif
 
 /* Interface 16/18-bit TFT over an 8-bit wide PPI using a small Programmable Logic Device (CPLD)
  * http://blackfin.uclinux.org/gf/project/stamp/frs/?action=FrsReleaseBrowse&frs_package_id=165
  */
 
-#ifdef USE_RGB565_8_BIT_PPI
-#define LCD_BPP		16	/* Bit Per Pixel */
-#define CLOCKS_PER_PIX	2
-#define CPLD_PIPELINE_DELAY_COR 3	/* RGB565 */
-#endif
-
-#ifdef USE_RGB888_8_BIT_PPI
-#define LCD_BPP		24	/* Bit Per Pixel */
-#define CLOCKS_PER_PIX	3
-#define CPLD_PIPELINE_DELAY_COR 5	/* RGB888 */
-#endif
-
-	/*
-	 * HS and VS timing parameters (all in number of PPI clk ticks)
-	 */
-
-#define U_LINE		4				/* Blanking Lines */
-
-#define H_ACTPIX	(LCD_X_RES * CLOCKS_PER_PIX)	/* active horizontal pixel */
-#define H_PERIOD	(336 * CLOCKS_PER_PIX)		/* HS period */
-#define H_PULSE		(2 * CLOCKS_PER_PIX)				/* HS pulse width */
-#define H_START		(7 * CLOCKS_PER_PIX + CPLD_PIPELINE_DELAY_COR)	/* first valid pixel */
-
-#define	V_LINES		(LCD_Y_RES + U_LINE)		/* total vertical lines */
-#define V_PULSE		(2 * CLOCKS_PER_PIX)		/* VS pulse width (1-5 H_PERIODs) */
-#define V_PERIOD	(H_PERIOD * V_LINES)		/* VS period */
-
-#define ACTIVE_VIDEO_MEM_OFFSET		((U_LINE / 2) * LCD_X_RES * (LCD_BPP / 8))
 
 #define BFIN_LCD_NBR_PALETTE_ENTRIES	256
 
@@ -110,12 +76,6 @@
 #define PPI_PORT_CFG_01			0x10
 #define PPI_POLS_1			0x8000
 
-#if (CLOCKS_PER_PIX > 1)
-#define PPI_PMODE (DLEN_8 | PACK_EN)
-#else
-#define PPI_PMODE (DLEN_16)
-#endif
-
 #define LQ035_INDEX			0x74
 #define LQ035_DATA			0x76
 
@@ -139,6 +99,15 @@ struct bfin_lq035q1fb_info {
 	int irq;
 	spinlock_t lock;	/* lock */
 	u32 pseudo_pal[16];
+
+	u32 lcd_bpp;
+	u32 h_actpix;
+	u32 h_period;
+	u32 h_pulse;
+	u32 h_start;
+	u32 v_lines;
+	u32 v_pulse;
+	u32 v_period;
 };
 
 static int nocursor;
@@ -234,16 +203,69 @@ static int lq035q1_backlight(struct bfin_lq035q1fb_info *info, unsigned arg)
 	return 0;
 }
 
+static int bfin_lq035q1_calc_timing(struct bfin_lq035q1fb_info *fbi)
+{
+	unsigned long clocks_per_pix, cpld_pipeline_delay_cor;
+
+	/*
+	 * Interface 16/18-bit TFT over an 8-bit wide PPI using a small
+	 * Programmable Logic Device (CPLD)
+	 * http://blackfin.uclinux.org/gf/project/stamp/frs/?action=FrsReleaseBrowse&frs_package_id=165
+	 */
+
+	switch (fbi->disp_info->ppi_mode) {
+	case USE_RGB565_16_BIT_PPI:
+		fbi->lcd_bpp = 16;
+		clocks_per_pix = 1;
+		cpld_pipeline_delay_cor = 0;
+		break;
+	case USE_RGB565_8_BIT_PPI:
+		fbi->lcd_bpp = 16;
+		clocks_per_pix = 2;
+		cpld_pipeline_delay_cor = 3;
+		break;
+	case USE_RGB888_8_BIT_PPI:
+		fbi->lcd_bpp = 24;
+		clocks_per_pix = 3;
+		cpld_pipeline_delay_cor = 5;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/*
+	 * HS and VS timing parameters (all in number of PPI clk ticks)
+	 */
+
+	fbi->h_actpix = (LCD_X_RES * clocks_per_pix);	/* active horizontal pixel */
+	fbi->h_period = (336 * clocks_per_pix);		/* HS period */
+	fbi->h_pulse = (2 * clocks_per_pix);				/* HS pulse width */
+	fbi->h_start = (7 * clocks_per_pix + cpld_pipeline_delay_cor);	/* first valid pixel */
+
+	fbi->v_lines = (LCD_Y_RES + U_LINE);		/* total vertical lines */
+	fbi->v_pulse = (2 * clocks_per_pix);		/* VS pulse width (1-5 H_PERIODs) */
+	fbi->v_period =	(fbi->h_period * fbi->v_lines);	/* VS period */
+
+	return 0;
+}
+
 static void bfin_lq035q1_config_ppi(struct bfin_lq035q1fb_info *fbi)
 {
-	bfin_write_PPI_DELAY(H_START);
-	bfin_write_PPI_COUNT(H_ACTPIX - 1);
-	bfin_write_PPI_FRAME(V_LINES);
+	unsigned ppi_pmode;
+
+	if (fbi->disp_info->ppi_mode == USE_RGB565_16_BIT_PPI)
+		ppi_pmode = DLEN_16;
+	else
+		ppi_pmode = (DLEN_8 | PACK_EN);
+
+	bfin_write_PPI_DELAY(fbi->h_start);
+	bfin_write_PPI_COUNT(fbi->h_actpix - 1);
+	bfin_write_PPI_FRAME(fbi->v_lines);
 
 	bfin_write_PPI_CONTROL(PPI_TX_MODE |	   /* output mode , PORT_DIR */
 				PPI_XFER_TYPE_11 | /* sync mode XFR_TYPE */
 				PPI_PORT_CFG_01 |  /* two frame sync PORT_CFG */
-				PPI_PMODE |	   /* 8/16 bit data length / PACK_EN? */
+				ppi_pmode |	   /* 8/16 bit data length / PACK_EN? */
 				PPI_POLS_1);	   /* faling edge syncs POLS */
 }
 
@@ -272,19 +294,19 @@ static void bfin_lq035q1_stop_timers(void)
 
 }
 
-static void bfin_lq035q1_init_timers(void)
+static void bfin_lq035q1_init_timers(struct bfin_lq035q1fb_info *fbi)
 {
 
 	bfin_lq035q1_stop_timers();
 
-	set_gptimer_period(TIMER_HSYNC_id, H_PERIOD);
-	set_gptimer_pwidth(TIMER_HSYNC_id, H_PULSE);
+	set_gptimer_period(TIMER_HSYNC_id, fbi->h_period);
+	set_gptimer_pwidth(TIMER_HSYNC_id, fbi->h_pulse);
 	set_gptimer_config(TIMER_HSYNC_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT |
 				      TIMER_TIN_SEL | TIMER_CLK_SEL|
 				      TIMER_EMU_RUN);
 
-	set_gptimer_period(TIMER_VSYNC_id, V_PERIOD);
-	set_gptimer_pwidth(TIMER_VSYNC_id, V_PULSE);
+	set_gptimer_period(TIMER_VSYNC_id, fbi->v_period);
+	set_gptimer_pwidth(TIMER_VSYNC_id, fbi->v_pulse);
 	set_gptimer_config(TIMER_VSYNC_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT |
 				      TIMER_TIN_SEL | TIMER_CLK_SEL |
 				      TIMER_EMU_RUN);
@@ -294,21 +316,21 @@ static void bfin_lq035q1_init_timers(void)
 static void bfin_lq035q1_config_dma(struct bfin_lq035q1fb_info *fbi)
 {
 
+
 	set_dma_config(CH_PPI,
 		       set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO,
 					   INTR_DISABLE, DIMENSION_2D,
 					   DATA_SIZE_16,
 					   DMA_NOSYNC_KEEP_DMA_BUF));
-	set_dma_x_count(CH_PPI, (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE);
+	set_dma_x_count(CH_PPI, (LCD_X_RES * fbi->lcd_bpp) / DMA_BUS_SIZE);
 	set_dma_x_modify(CH_PPI, DMA_BUS_SIZE / 8);
-	set_dma_y_count(CH_PPI, V_LINES);
+	set_dma_y_count(CH_PPI, fbi->v_lines);
 
 	set_dma_y_modify(CH_PPI, DMA_BUS_SIZE / 8);
 	set_dma_start_addr(CH_PPI, (unsigned long)fbi->fb_buffer);
 
 }
 
-#if (CLOCKS_PER_PIX == 1)
 static const u16 ppi0_req_16[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
 			    P_PPI0_D0, P_PPI0_D1, P_PPI0_D2,
 			    P_PPI0_D3, P_PPI0_D4, P_PPI0_D5,
@@ -316,22 +338,27 @@ static const u16 ppi0_req_16[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
 			    P_PPI0_D9, P_PPI0_D10, P_PPI0_D11,
 			    P_PPI0_D12, P_PPI0_D13, P_PPI0_D14,
 			    P_PPI0_D15, 0};
-#else
-static const u16 ppi0_req_16[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
+
+static const u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
 			    P_PPI0_D0, P_PPI0_D1, P_PPI0_D2,
 			    P_PPI0_D3, P_PPI0_D4, P_PPI0_D5,
 			    P_PPI0_D6, P_PPI0_D7, 0};
-#endif
 
-static inline void bfin_lq035q1_free_ports(void)
+static inline void bfin_lq035q1_free_ports(unsigned ppi16)
 {
-	peripheral_free_list(ppi0_req_16);
+	if (ppi16)
+		peripheral_free_list(ppi0_req_16);
+	else
+		peripheral_free_list(ppi0_req_8);
+
 	if (ANOMALY_05000400)
 		gpio_free(P_IDENT(P_PPI0_FS3));
 }
 
-static int __devinit bfin_lq035q1_request_ports(struct platform_device *pdev)
+static int __devinit bfin_lq035q1_request_ports(struct platform_device *pdev,
+						unsigned ppi16)
 {
+	int ret;
 	/* ANOMALY_05000400 - PPI Does Not Start Properly In Specific Mode:
 	 * Drive PPI_FS3 Low
 	 */
@@ -342,7 +369,12 @@ static int __devinit bfin_lq035q1_request_ports(struct platform_device *pdev)
 		gpio_direction_output(P_IDENT(P_PPI0_FS3), 0);
 	}
 
-	if (peripheral_request_list(ppi0_req_16, DRIVER_NAME)) {
+	if (ppi16)
+		ret = peripheral_request_list(ppi0_req_16, DRIVER_NAME);
+	else
+		ret = peripheral_request_list(ppi0_req_8, DRIVER_NAME);
+
+	if (ret) {
 		dev_err(&pdev->dev, "requesting peripherals failed\n");
 		return -EFAULT;
 	}
@@ -364,7 +396,7 @@ static int bfin_lq035q1_fb_open(struct fb_info *info, int user)
 
 		bfin_lq035q1_config_dma(fbi);
 		bfin_lq035q1_config_ppi(fbi);
-		bfin_lq035q1_init_timers();
+		bfin_lq035q1_init_timers(fbi);
 
 		/* start dma */
 		enable_dma(CH_PPI);
@@ -402,12 +434,9 @@ static int bfin_lq035q1_fb_release(struct fb_info *info, int user)
 static int bfin_lq035q1_fb_check_var(struct fb_var_screeninfo *var,
 				     struct fb_info *info)
 {
-	switch (var->bits_per_pixel) {
-#if (LCD_BPP == 24)
-	case 24:/* TRUECOLOUR, 16m */
-#else
-	case 16:/* DIRECTCOLOUR, 64k */
-#endif
+	struct bfin_lq035q1fb_info *fbi = info->par;
+
+	if (var->bits_per_pixel == fbi->lcd_bpp) {
 		var->red.offset = info->var.red.offset;
 		var->green.offset = info->var.green.offset;
 		var->blue.offset = info->var.blue.offset;
@@ -420,8 +449,7 @@ static int bfin_lq035q1_fb_check_var(struct fb_var_screeninfo *var,
 		var->red.msb_right = 0;
 		var->green.msb_right = 0;
 		var->blue.msb_right = 0;
-		break;
-	default:
+	} else {
 		pr_debug("%s: depth not supported: %u BPP\n", __func__,
 			 var->bits_per_pixel);
 		return -EINVAL;
@@ -528,6 +556,7 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev)
 {
 	struct bfin_lq035q1fb_info *info;
 	struct fb_info *fbinfo;
+	u32 active_video_mem_offset;
 	int ret;
 
 	ret = request_dma(CH_PPI, DRIVER_NAME"_CH_PPI");
@@ -550,6 +579,12 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, fbinfo);
 
+	ret = bfin_lq035q1_calc_timing(info);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed PPI Mode\n");
+		goto out3;
+	}
+
 	strcpy(fbinfo->fix.id, DRIVER_NAME);
 
 	fbinfo->fix.type = FB_TYPE_PACKED_PIXELS;
@@ -571,46 +606,48 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev)
 	fbinfo->var.xres_virtual = LCD_X_RES;
 	fbinfo->var.yres = LCD_Y_RES;
 	fbinfo->var.yres_virtual = LCD_Y_RES;
-	fbinfo->var.bits_per_pixel = LCD_BPP;
+	fbinfo->var.bits_per_pixel = info->lcd_bpp;
 
 	if (info->disp_info->mode & LQ035_BGR) {
-#if (LCD_BPP == 24)
-		fbinfo->var.red.offset = 0;
-		fbinfo->var.green.offset = 8;
-		fbinfo->var.blue.offset = 16;
-#else
-		fbinfo->var.red.offset = 0;
-		fbinfo->var.green.offset = 5;
-		fbinfo->var.blue.offset = 11;
-#endif
+		if (info->lcd_bpp == 24) {
+			fbinfo->var.red.offset = 0;
+			fbinfo->var.green.offset = 8;
+			fbinfo->var.blue.offset = 16;
+		} else {
+			fbinfo->var.red.offset = 0;
+			fbinfo->var.green.offset = 5;
+			fbinfo->var.blue.offset = 11;
+		}
 	} else {
-#if (LCD_BPP == 24)
-		fbinfo->var.red.offset = 16;
-		fbinfo->var.green.offset = 8;
-		fbinfo->var.blue.offset = 0;
-#else
-		fbinfo->var.red.offset = 11;
-		fbinfo->var.green.offset = 5;
-		fbinfo->var.blue.offset = 0;
-#endif
+		if (info->lcd_bpp == 24) {
+			fbinfo->var.red.offset = 16;
+			fbinfo->var.green.offset = 8;
+			fbinfo->var.blue.offset = 0;
+		} else {
+			fbinfo->var.red.offset = 11;
+			fbinfo->var.green.offset = 5;
+			fbinfo->var.blue.offset = 0;
+		}
 	}
 
 	fbinfo->var.transp.offset = 0;
 
-#if (LCD_BPP == 24)
-	fbinfo->var.red.length = 8;
-	fbinfo->var.green.length = 8;
-	fbinfo->var.blue.length = 8;
-#else
-	fbinfo->var.red.length = 5;
-	fbinfo->var.green.length = 6;
-	fbinfo->var.blue.length = 5;
-#endif
+	if (info->lcd_bpp == 24) {
+		fbinfo->var.red.length = 8;
+		fbinfo->var.green.length = 8;
+		fbinfo->var.blue.length = 8;
+	} else {
+		fbinfo->var.red.length = 5;
+		fbinfo->var.green.length = 6;
+		fbinfo->var.blue.length = 5;
+	}
 
 	fbinfo->var.transp.length = 0;
 
-	fbinfo->fix.smem_len = LCD_X_RES * LCD_Y_RES * LCD_BPP / 8
-				+ ACTIVE_VIDEO_MEM_OFFSET;
+	active_video_mem_offset = ((U_LINE / 2) * LCD_X_RES * (info->lcd_bpp / 8));
+
+	fbinfo->fix.smem_len = LCD_X_RES * LCD_Y_RES * info->lcd_bpp / 8
+				+ active_video_mem_offset;
 
 	fbinfo->fix.line_length = fbinfo->var.xres_virtual *
 	    fbinfo->var.bits_per_pixel / 8;
@@ -629,8 +666,8 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev)
 		goto out3;
 	}
 
-	fbinfo->screen_base = (void *)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;
-	fbinfo->fix.smem_start = (int)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;
+	fbinfo->screen_base = (void *)info->fb_buffer + active_video_mem_offset;
+	fbinfo->fix.smem_start = (int)info->fb_buffer + active_video_mem_offset;
 
 	fbinfo->fbops = &bfin_lq035q1_fb_ops;
 
@@ -643,7 +680,8 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev)
 		goto out4;
 	}
 
-	ret = bfin_lq035q1_request_ports(pdev);
+	ret = bfin_lq035q1_request_ports(pdev,
+			info->disp_info->ppi_mode == USE_RGB565_16_BIT_PPI);
 	if (ret) {
 		dev_err(&pdev->dev, "couldn't request gpio port\n");
 		goto out6;
@@ -693,7 +731,7 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev)
 	}
 
 	dev_info(&pdev->dev, "%dx%d %d-bit RGB FrameBuffer initialized\n",
-		LCD_X_RES, LCD_Y_RES, LCD_BPP);
+		LCD_X_RES, LCD_Y_RES, info->lcd_bpp);
 
 	return 0;
 
@@ -705,7 +743,8 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev)
  out8:
 	free_irq(info->irq, info);
  out7:
-	bfin_lq035q1_free_ports();
+	bfin_lq035q1_free_ports(info->disp_info->ppi_mode ==
+				USE_RGB565_16_BIT_PPI);
  out6:
 	fb_dealloc_cmap(&fbinfo->cmap);
  out4:
@@ -742,7 +781,8 @@ static int __devexit bfin_lq035q1_remove(struct platform_device *pdev)
 
 	fb_dealloc_cmap(&fbinfo->cmap);
 
-	bfin_lq035q1_free_ports();
+	bfin_lq035q1_free_ports(info->disp_info->ppi_mode ==
+				USE_RGB565_16_BIT_PPI);
 
 	platform_set_drvdata(pdev, NULL);
 	framebuffer_release(fbinfo);
@@ -781,7 +821,7 @@ static int bfin_lq035q1_resume(struct device *dev)
 
 		bfin_lq035q1_config_dma(info);
 		bfin_lq035q1_config_ppi(info);
-		bfin_lq035q1_init_timers();
+		bfin_lq035q1_init_timers(info);
 
 		/* start dma */
 		enable_dma(CH_PPI);

From dbd536bf2f1b494240b56035ee16eba2e3d89b6a Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 24 May 2010 14:33:53 -0700
Subject: [PATCH 3101/3638] sis: strcpy() => strlcpy()

These are different size buffers (40 chars vs 16), we may as well be
cautious.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/sis/sis_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
index a531a0f7cdf..559bf1727a2 100644
--- a/drivers/video/sis/sis_main.c
+++ b/drivers/video/sis/sis_main.c
@@ -1845,7 +1845,7 @@ sisfb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info)
 
 	memset(fix, 0, sizeof(struct fb_fix_screeninfo));
 
-	strcpy(fix->id, ivideo->myid);
+	strlcpy(fix->id, ivideo->myid, sizeof(fix->id));
 
 	mutex_lock(&info->mm_lock);
 	fix->smem_start  = ivideo->video_base + ivideo->video_offset;

From bd9b5caf8616501d2ab6f17210b11f81ea7546eb Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:33:54 -0700
Subject: [PATCH 3102/3638] fbdev: section cleanup in arcfb
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix the sections in the arcfb driver, by moving:

*	the variables arcfb_fix and arcfb_var from .init.data to .devinit.data

*	arcfb_remove() from .text to .devexit.text

This fixes the following warnings issued by modpost:

WARNING: drivers/video/built-in.o(.devinit.text+0x543): Section mismatch in reference from the function arcfb_probe() to the variable .init.data:arcfb_var
The function __devinit arcfb_probe() references
a variable __initdata arcfb_var.
If arcfb_var is only used by arcfb_probe then
annotate arcfb_var with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x558): Section mismatch in reference from the function arcfb_probe() to the variable .init.data:arcfb_fix
The function __devinit arcfb_probe() references
a variable __initdata arcfb_fix.
If arcfb_fix is only used by arcfb_probe then
annotate arcfb_fix with a matching annotation.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: <stable@kernel.org>	[if "platform-drivers: move probe to .devinit.text in drivers/video" was merged]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/arcfb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 8d406fb689c..f3d7440f007 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -80,7 +80,7 @@ struct arcfb_par {
 	spinlock_t lock;
 };
 
-static struct fb_fix_screeninfo arcfb_fix __initdata = {
+static struct fb_fix_screeninfo arcfb_fix __devinitdata = {
 	.id =		"arcfb",
 	.type =		FB_TYPE_PACKED_PIXELS,
 	.visual =	FB_VISUAL_MONO01,
@@ -90,7 +90,7 @@ static struct fb_fix_screeninfo arcfb_fix __initdata = {
 	.accel =	FB_ACCEL_NONE,
 };
 
-static struct fb_var_screeninfo arcfb_var __initdata = {
+static struct fb_var_screeninfo arcfb_var __devinitdata = {
 	.xres		= 128,
 	.yres		= 64,
 	.xres_virtual	= 128,
@@ -588,7 +588,7 @@ err:
 	return retval;
 }
 
-static int arcfb_remove(struct platform_device *dev)
+static int __devexit arcfb_remove(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
 
@@ -602,7 +602,7 @@ static int arcfb_remove(struct platform_device *dev)
 
 static struct platform_driver arcfb_driver = {
 	.probe	= arcfb_probe,
-	.remove = arcfb_remove,
+	.remove = __devexit_p(arcfb_remove),
 	.driver	= {
 		.name	= "arcfb",
 	},

From e217e6e39f62e47f7e659b715235dbd57df480f8 Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:33:56 -0700
Subject: [PATCH 3103/3638] fbdev: section cleanup in hgafb
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix up the sections in the hgafb driver, by

* moving hga_default_var and hga_fix from .init.data to .devinit.data

* moving hga_detect() from .init.text to .devinit.text

* moving hga_fb_remove() from .text to .devexit.text

This fixes the following warnings issued by modpost:

WARNING: drivers/video/hgafb.o(.devinit.text+0x18): Section mismatch in referenc
e from the function hgafb_probe() to the function .init.text:hga_card_detect()
The function __devinit hgafb_probe() references
a function __init hga_card_detect().
If hga_card_detect is only used by hgafb_probe then
annotate hga_card_detect with a matching annotation.

WARNING: drivers/video/hgafb.o(.devinit.text+0xfe): Section mismatch in referenc
e from the function hgafb_probe() to the variable .init.data:hga_fix
The function __devinit hgafb_probe() references
a variable __initdata hga_fix.
If hga_fix is only used by hgafb_probe then
annotate hga_fix with a matching annotation.

WARNING: drivers/video/hgafb.o(.devinit.text+0x105): Section mismatch in reference from the function hgafb_probe() to the variable .init.data:hga_default_var
The function __devinit hgafb_probe() references
a variable __initdata hga_default_var.
If hga_default_var is only used by hgafb_probe then
annotate hga_default_var with a matching annotation.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: <stable@kernel.org>	[if "platform-drivers: move probe to .devinit.text in drivers/video" was merged]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/hgafb.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/video/hgafb.c b/drivers/video/hgafb.c
index 8bbf251f83d..af8f0f2cc78 100644
--- a/drivers/video/hgafb.c
+++ b/drivers/video/hgafb.c
@@ -106,7 +106,7 @@ static DEFINE_SPINLOCK(hga_reg_lock);
 
 /* Framebuffer driver structures */
 
-static struct fb_var_screeninfo __initdata hga_default_var = {
+static struct fb_var_screeninfo hga_default_var __devinitdata = {
 	.xres		= 720,
 	.yres 		= 348,
 	.xres_virtual 	= 720,
@@ -120,7 +120,7 @@ static struct fb_var_screeninfo __initdata hga_default_var = {
 	.width 		= -1,
 };
 
-static struct fb_fix_screeninfo __initdata hga_fix = {
+static struct fb_fix_screeninfo hga_fix __devinitdata = {
 	.id 		= "HGA",
 	.type 		= FB_TYPE_PACKED_PIXELS,	/* (not sure) */
 	.visual 	= FB_VISUAL_MONO10,
@@ -276,7 +276,7 @@ static void hga_blank(int blank_mode)
 	spin_unlock_irqrestore(&hga_reg_lock, flags);
 }
 
-static int __init hga_card_detect(void)
+static int __devinit hga_card_detect(void)
 {
 	int count = 0;
 	void __iomem *p, *q;
@@ -596,7 +596,7 @@ static int __devinit hgafb_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int hgafb_remove(struct platform_device *pdev)
+static int __devexit hgafb_remove(struct platform_device *pdev)
 {
 	struct fb_info *info = platform_get_drvdata(pdev);
 
@@ -621,7 +621,7 @@ static int hgafb_remove(struct platform_device *pdev)
 
 static struct platform_driver hgafb_driver = {
 	.probe = hgafb_probe,
-	.remove = hgafb_remove,
+	.remove = __devexit_p(hgafb_remove),
 	.driver = {
 		.name = "hgafb",
 	},

From 3cc04971661e37e7de6fbf9808ede554b5e1cb4e Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:33:57 -0700
Subject: [PATCH 3104/3638] fbdev: section cleanup in vfb
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix up the section in the vfb driver, by moving the variables vfb_default
and vfb_fix from .init.data to .devinit.data

This fixes the following warnings issued by modpost:

WARNING: drivers/video/vfb.o(.devinit.text+0xf8): Section mismatch in reference from the function vfb_probe() to the variable .init.data:vfb_default
The function __devinit vfb_probe() references
a variable __initdata vfb_default.
If vfb_default is only used by vfb_probe then
annotate vfb_default with a matching annotation.

WARNING: drivers/video/vfb.o(.devinit.text+0x114): Section mismatch in reference from the function vfb_probe() to the variable .init.data:vfb_fix
The function __devinit vfb_probe() references
a variable __initdata vfb_fix.
If vfb_fix is only used by vfb_probe then
annotate vfb_fix with a matching annotation.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: <stable@kernel.org>	[if "platform-drivers: move probe to .devinit.text in drivers/video" was merged]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/vfb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c
index 9b5532b4de3..bc67251f1a2 100644
--- a/drivers/video/vfb.c
+++ b/drivers/video/vfb.c
@@ -78,7 +78,7 @@ static void rvfree(void *mem, unsigned long size)
 	vfree(mem);
 }
 
-static struct fb_var_screeninfo vfb_default __initdata = {
+static struct fb_var_screeninfo vfb_default __devinitdata = {
 	.xres =		640,
 	.yres =		480,
 	.xres_virtual =	640,
@@ -100,7 +100,7 @@ static struct fb_var_screeninfo vfb_default __initdata = {
       	.vmode =	FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo vfb_fix __initdata = {
+static struct fb_fix_screeninfo vfb_fix __devinitdata = {
 	.id =		"Virtual FB",
 	.type =		FB_TYPE_PACKED_PIXELS,
 	.visual =	FB_VISUAL_PSEUDOCOLOR,

From ad1458464cbbe6935be6e20d70920301733158af Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:33:59 -0700
Subject: [PATCH 3105/3638] fbdev: section cleanup in vga16fb
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix up the sections in the vga16fb driver, by moving:

*	the variables vga16_defined and vga16fb
	from .init.data to .devinit.data

*	vga16fb_setup() from .text to .init.text

*	vga16fb_remove() from .text. to .devexit.text

This fixes the following warnings issued by modpost:

WARNING: drivers/video/built-in.o(.devinit.text+0x1a420): Section mismatch in re
ference from the function vga16fb_probe() to the (unknown reference) .init.data:
(unknown)
The function __devinit vga16fb_probe() references
a (unknown reference) __initdata (unknown).
If (unknown) is only used by vga16fb_probe then
annotate (unknown) with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x1a437): Section mismatch in reference from the function vga16fb_probe() to the variable .init.data:vga16fb_defined
The function __devinit vga16fb_probe() references
a variable __initdata vga16fb_defined.
If vga16fb_defined is only used by vga16fb_probe then
annotate vga16fb_defined with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x1a457): Section mismatch in reference from the function vga16fb_probe() to the variable .init.data:vga16fb_fix
The function __devinit vga16fb_probe() references
a variable __initdata vga16fb_fix.
If vga16fb_fix is only used by vga16fb_probe then
annotate vga16fb_fix with a matching annotation.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: <stable@kernel.org>	[if "platform-drivers: move probe to .devinit.text in drivers/video" was merged]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/vga16fb.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
index 149c47ac7e9..28ccab44a39 100644
--- a/drivers/video/vga16fb.c
+++ b/drivers/video/vga16fb.c
@@ -65,7 +65,7 @@ struct vga16fb_par {
 
 /* --------------------------------------------------------------------- */
 
-static struct fb_var_screeninfo vga16fb_defined __initdata = {
+static struct fb_var_screeninfo vga16fb_defined __devinitdata = {
 	.xres		= 640,
 	.yres		= 480,
 	.xres_virtual	= 640,
@@ -85,7 +85,7 @@ static struct fb_var_screeninfo vga16fb_defined __initdata = {
 };
 
 /* name should not depend on EGA/VGA */
-static struct fb_fix_screeninfo vga16fb_fix __initdata = {
+static struct fb_fix_screeninfo vga16fb_fix __devinitdata = {
 	.id		= "VGA16 VGA",
 	.smem_start	= VGA_FB_PHYS,
 	.smem_len	= VGA_FB_PHYS_LEN,
@@ -1287,7 +1287,7 @@ static struct fb_ops vga16fb_ops = {
 };
 
 #ifndef MODULE
-static int vga16fb_setup(char *options)
+static int __init vga16fb_setup(char *options)
 {
 	char *this_opt;
 	
@@ -1393,7 +1393,7 @@ static int __devinit vga16fb_probe(struct platform_device *dev)
 	return ret;
 }
 
-static int vga16fb_remove(struct platform_device *dev)
+static int __devexit vga16fb_remove(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
 
@@ -1405,7 +1405,7 @@ static int vga16fb_remove(struct platform_device *dev)
 
 static struct platform_driver vga16fb_driver = {
 	.probe = vga16fb_probe,
-	.remove = vga16fb_remove,
+	.remove = __devexit_p(vga16fb_remove),
 	.driver = {
 		.name = "vga16fb",
 	},

From fb6cb3270af8f2ad3dd556906a9c52aa85754849 Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:34:00 -0700
Subject: [PATCH 3106/3638] fbdev: section cleanup in w100fb
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix up the section in the w100fb driver, by moving:

*	w100fb_remove() from .text to .devexit.text

*	w100_get_xtal_table() from .text to .devinit.text

*	w100fb_init() from .devinit.text to .init.text

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: <stable@kernel.org>	[if "platform-drivers: move probe to .devinit.text in drivers/video" was merged]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/w100fb.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index 31b0e17ed09..e66b8b19ce5 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -53,7 +53,7 @@ static void w100_update_enable(void);
 static void w100_update_disable(void);
 static void calc_hsync(struct w100fb_par *par);
 static void w100_init_graphic_engine(struct w100fb_par *par);
-struct w100_pll_info *w100_get_xtal_table(unsigned int freq);
+struct w100_pll_info *w100_get_xtal_table(unsigned int freq) __devinit;
 
 /* Pseudo palette size */
 #define MAX_PALETTES      16
@@ -782,7 +782,7 @@ out:
 }
 
 
-static int w100fb_remove(struct platform_device *pdev)
+static int __devexit w100fb_remove(struct platform_device *pdev)
 {
 	struct fb_info *info = platform_get_drvdata(pdev);
 	struct w100fb_par *par=info->par;
@@ -1020,7 +1020,7 @@ static struct pll_entries {
 	{ 0 },
 };
 
-struct w100_pll_info *w100_get_xtal_table(unsigned int freq)
+struct w100_pll_info __devinit *w100_get_xtal_table(unsigned int freq)
 {
 	struct pll_entries *pll_entry = w100_pll_tables;
 
@@ -1611,7 +1611,7 @@ static void w100_vsync(void)
 
 static struct platform_driver w100fb_driver = {
 	.probe		= w100fb_probe,
-	.remove		= w100fb_remove,
+	.remove		= __devexit_p(w100fb_remove),
 	.suspend	= w100fb_suspend,
 	.resume		= w100fb_resume,
 	.driver		= {
@@ -1619,7 +1619,7 @@ static struct platform_driver w100fb_driver = {
 	},
 };
 
-int __devinit w100fb_init(void)
+int __init w100fb_init(void)
 {
 	return platform_driver_register(&w100fb_driver);
 }

From 1f9c3e1f07e39c8af3bf42236fc553b5bb0f83f1 Mon Sep 17 00:00:00 2001
From: Martin Ambrose <martin@ti.com>
Date: Mon, 24 May 2010 14:34:01 -0700
Subject: [PATCH 3107/3638] fbdev: da8xx/omap-l1xx: implement double buffering

This work includes the following:

- Implement handler for FBIO_WAITFORVSYNC ioctl.

- Allocate the data and palette buffers separately.  A consequence of
  this is that the palette and data loading is now done in different
  phases.  And that the LCD must be disabled temporarily after the palette
  is loaded but this will only happen once after init and each time the
  palette is changed.  I think this is OK.

- Allocate two (ping and pong) framebuffers from memory.

- Add pan_display handler which toggles the LCDC DMA registers between
  the ping and pong buffers.

Signed-off-by: Martin Ambrose <martin@ti.com>
Cc: Chaithrika U S <chaithrika@ti.com>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/da8xx-fb.c | 295 ++++++++++++++++++++++++++++++---------
 include/video/da8xx-fb.h |   1 +
 2 files changed, 232 insertions(+), 64 deletions(-)

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 8d244ba0f60..cad7d45c8ba 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -36,7 +36,9 @@
 #define DRIVER_NAME "da8xx_lcdc"
 
 /* LCD Status Register */
+#define LCD_END_OF_FRAME1		BIT(9)
 #define LCD_END_OF_FRAME0		BIT(8)
+#define LCD_PL_LOAD_DONE		BIT(6)
 #define LCD_FIFO_UNDERFLOW		BIT(5)
 #define LCD_SYNC_LOST			BIT(2)
 
@@ -58,11 +60,13 @@
 #define LCD_PALETTE_LOAD_MODE(x)	((x) << 20)
 #define PALETTE_AND_DATA		0x00
 #define PALETTE_ONLY			0x01
+#define DATA_ONLY			0x02
 
 #define LCD_MONO_8BIT_MODE		BIT(9)
 #define LCD_RASTER_ORDER		BIT(8)
 #define LCD_TFT_MODE			BIT(7)
 #define LCD_UNDERFLOW_INT_ENA		BIT(6)
+#define LCD_PL_ENABLE			BIT(4)
 #define LCD_MONOCHROME_MODE		BIT(1)
 #define LCD_RASTER_ENABLE		BIT(0)
 #define LCD_TFT_ALT_ENABLE		BIT(23)
@@ -87,6 +91,10 @@
 #define  LCD_DMA_CTRL_REG			0x40
 #define  LCD_DMA_FRM_BUF_BASE_ADDR_0_REG	0x44
 #define  LCD_DMA_FRM_BUF_CEILING_ADDR_0_REG	0x48
+#define  LCD_DMA_FRM_BUF_BASE_ADDR_1_REG	0x4C
+#define  LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG	0x50
+
+#define LCD_NUM_BUFFERS	2
 
 #define WSI_TIMEOUT	50
 #define PALETTE_SIZE	256
@@ -111,13 +119,20 @@ static inline void lcdc_write(unsigned int val, unsigned int addr)
 struct da8xx_fb_par {
 	resource_size_t p_palette_base;
 	unsigned char *v_palette_base;
+	dma_addr_t		vram_phys;
+	unsigned long		vram_size;
+	void			*vram_virt;
+	unsigned int		dma_start;
+	unsigned int		dma_end;
 	struct clk *lcdc_clk;
 	int irq;
 	unsigned short pseudo_palette[16];
-	unsigned int databuf_sz;
 	unsigned int palette_sz;
 	unsigned int pxl_clk;
 	int blank;
+	wait_queue_head_t	vsync_wait;
+	int			vsync_flag;
+	int			vsync_timeout;
 #ifdef CONFIG_CPU_FREQ
 	struct notifier_block	freq_transition;
 #endif
@@ -148,9 +163,9 @@ static struct fb_fix_screeninfo da8xx_fb_fix __devinitdata = {
 	.type = FB_TYPE_PACKED_PIXELS,
 	.type_aux = 0,
 	.visual = FB_VISUAL_PSEUDOCOLOR,
-	.xpanstep = 1,
+	.xpanstep = 0,
 	.ypanstep = 1,
-	.ywrapstep = 1,
+	.ywrapstep = 0,
 	.accel = FB_ACCEL_NONE
 };
 
@@ -221,22 +236,48 @@ static inline void lcd_disable_raster(void)
 
 static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
 {
-	u32 tmp = par->p_palette_base + par->databuf_sz - 4;
-	u32 reg;
+	u32 start;
+	u32 end;
+	u32 reg_ras;
+	u32 reg_dma;
 
-	/* Update the databuf in the hw. */
-	lcdc_write(par->p_palette_base, LCD_DMA_FRM_BUF_BASE_ADDR_0_REG);
-	lcdc_write(tmp, LCD_DMA_FRM_BUF_CEILING_ADDR_0_REG);
+	/* init reg to clear PLM (loading mode) fields */
+	reg_ras = lcdc_read(LCD_RASTER_CTRL_REG);
+	reg_ras &= ~(3 << 20);
 
-	/* Start the DMA. */
-	reg = lcdc_read(LCD_RASTER_CTRL_REG);
-	reg &= ~(3 << 20);
-	if (load_mode == LOAD_DATA)
-		reg |= LCD_PALETTE_LOAD_MODE(PALETTE_AND_DATA);
-	else if (load_mode == LOAD_PALETTE)
-		reg |= LCD_PALETTE_LOAD_MODE(PALETTE_ONLY);
+	reg_dma  = lcdc_read(LCD_DMA_CTRL_REG);
 
-	lcdc_write(reg, LCD_RASTER_CTRL_REG);
+	if (load_mode == LOAD_DATA) {
+		start    = par->dma_start;
+		end      = par->dma_end;
+
+		reg_ras |= LCD_PALETTE_LOAD_MODE(DATA_ONLY);
+		reg_dma |= LCD_END_OF_FRAME_INT_ENA;
+		reg_dma |= LCD_DUAL_FRAME_BUFFER_ENABLE;
+
+		lcdc_write(start, LCD_DMA_FRM_BUF_BASE_ADDR_0_REG);
+		lcdc_write(end, LCD_DMA_FRM_BUF_CEILING_ADDR_0_REG);
+		lcdc_write(start, LCD_DMA_FRM_BUF_BASE_ADDR_1_REG);
+		lcdc_write(end, LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG);
+	} else if (load_mode == LOAD_PALETTE) {
+		start    = par->p_palette_base;
+		end      = start + par->palette_sz - 1;
+
+		reg_ras |= LCD_PALETTE_LOAD_MODE(PALETTE_ONLY);
+		reg_ras |= LCD_PL_ENABLE;
+
+		lcdc_write(start, LCD_DMA_FRM_BUF_BASE_ADDR_0_REG);
+		lcdc_write(end, LCD_DMA_FRM_BUF_CEILING_ADDR_0_REG);
+	}
+
+	lcdc_write(reg_dma, LCD_DMA_CTRL_REG);
+	lcdc_write(reg_ras, LCD_RASTER_CTRL_REG);
+
+	/*
+	 * The Raster enable bit must be set after all other control fields are
+	 * set.
+	 */
+	lcd_enable_raster();
 }
 
 /* Configure the Burst Size of DMA */
@@ -368,12 +409,8 @@ static int lcd_cfg_display(const struct lcd_ctrl_config *cfg)
 static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height,
 		u32 bpp, u32 raster_order)
 {
-	u32 bpl, reg;
+	u32 reg;
 
-	/* Disable Dual Frame Buffer. */
-	reg = lcdc_read(LCD_DMA_CTRL_REG);
-	lcdc_write(reg & ~LCD_DUAL_FRAME_BUFFER_ENABLE,
-						LCD_DMA_CTRL_REG);
 	/* Set the Panel Width */
 	/* Pixels per line = (PPL + 1)*16 */
 	/*0x3F in bits 4..9 gives max horisontal resolution = 1024 pixels*/
@@ -410,9 +447,6 @@ static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height,
 		return -EINVAL;
 	}
 
-	bpl = width * bpp / 8;
-	par->databuf_sz = height * bpl + par->palette_sz;
-
 	return 0;
 }
 
@@ -421,8 +455,9 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 			      struct fb_info *info)
 {
 	struct da8xx_fb_par *par = info->par;
-	unsigned short *palette = (unsigned short *)par->v_palette_base;
+	unsigned short *palette = (unsigned short *) par->v_palette_base;
 	u_short pal;
+	int update_hw = 0;
 
 	if (regno > 255)
 		return 1;
@@ -439,8 +474,10 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 		pal |= (green & 0x00f0);
 		pal |= (blue & 0x000f);
 
-		palette[regno] = pal;
-
+		if (palette[regno] != pal) {
+			update_hw = 1;
+			palette[regno] = pal;
+		}
 	} else if ((info->var.bits_per_pixel == 16) && regno < 16) {
 		red >>= (16 - info->var.red.length);
 		red <<= info->var.red.offset;
@@ -453,9 +490,16 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 
 		par->pseudo_palette[regno] = red | green | blue;
 
-		palette[0] = 0x4000;
+		if (palette[0] != 0x4000) {
+			update_hw = 1;
+			palette[0] = 0x4000;
+		}
 	}
 
+	/* Update the palette in the h/w as needed. */
+	if (update_hw)
+		lcd_blit(LOAD_PALETTE, par);
+
 	return 0;
 }
 
@@ -541,15 +585,54 @@ static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg,
 
 static irqreturn_t lcdc_irq_handler(int irq, void *arg)
 {
+	struct da8xx_fb_par *par = arg;
 	u32 stat = lcdc_read(LCD_STAT_REG);
+	u32 reg_ras;
 
 	if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) {
 		lcd_disable_raster();
 		lcdc_write(stat, LCD_STAT_REG);
 		lcd_enable_raster();
-	} else
+	} else if (stat & LCD_PL_LOAD_DONE) {
+		/*
+		 * Must disable raster before changing state of any control bit.
+		 * And also must be disabled before clearing the PL loading
+		 * interrupt via the following write to the status register. If
+		 * this is done after then one gets multiple PL done interrupts.
+		 */
+		lcd_disable_raster();
+
 		lcdc_write(stat, LCD_STAT_REG);
 
+		/* Disable PL completion inerrupt */
+		reg_ras  = lcdc_read(LCD_RASTER_CTRL_REG);
+		reg_ras &= ~LCD_PL_ENABLE;
+		lcdc_write(reg_ras, LCD_RASTER_CTRL_REG);
+
+		/* Setup and start data loading mode */
+		lcd_blit(LOAD_DATA, par);
+	} else {
+		lcdc_write(stat, LCD_STAT_REG);
+
+		if (stat & LCD_END_OF_FRAME0) {
+			lcdc_write(par->dma_start,
+				   LCD_DMA_FRM_BUF_BASE_ADDR_0_REG);
+			lcdc_write(par->dma_end,
+				   LCD_DMA_FRM_BUF_CEILING_ADDR_0_REG);
+			par->vsync_flag = 1;
+			wake_up_interruptible(&par->vsync_wait);
+		}
+
+		if (stat & LCD_END_OF_FRAME1) {
+			lcdc_write(par->dma_start,
+				   LCD_DMA_FRM_BUF_BASE_ADDR_1_REG);
+			lcdc_write(par->dma_end,
+				   LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG);
+			par->vsync_flag = 1;
+			wake_up_interruptible(&par->vsync_wait);
+		}
+	}
+
 	return IRQ_HANDLED;
 }
 
@@ -654,9 +737,10 @@ static int __devexit fb_remove(struct platform_device *dev)
 
 		unregister_framebuffer(info);
 		fb_dealloc_cmap(&info->cmap);
-		dma_free_coherent(NULL, par->databuf_sz + PAGE_SIZE,
-					info->screen_base - PAGE_SIZE,
-					info->fix.smem_start);
+		dma_free_coherent(NULL, PALETTE_SIZE, par->v_palette_base,
+				  par->p_palette_base);
+		dma_free_coherent(NULL, par->vram_size, par->vram_virt,
+				  par->vram_phys);
 		free_irq(par->irq, par);
 		clk_disable(par->lcdc_clk);
 		clk_put(par->lcdc_clk);
@@ -668,6 +752,39 @@ static int __devexit fb_remove(struct platform_device *dev)
 	return 0;
 }
 
+/*
+ * Function to wait for vertical sync which for this LCD peripheral
+ * translates into waiting for the current raster frame to complete.
+ */
+static int fb_wait_for_vsync(struct fb_info *info)
+{
+	struct da8xx_fb_par *par = info->par;
+	int ret;
+
+	/*
+	 * Set flag to 0 and wait for isr to set to 1. It would seem there is a
+	 * race condition here where the ISR could have occured just before or
+	 * just after this set. But since we are just coarsely waiting for
+	 * a frame to complete then that's OK. i.e. if the frame completed
+	 * just before this code executed then we have to wait another full
+	 * frame time but there is no way to avoid such a situation. On the
+	 * other hand if the frame completed just after then we don't need
+	 * to wait long at all. Either way we are guaranteed to return to the
+	 * user immediately after a frame completion which is all that is
+	 * required.
+	 */
+	par->vsync_flag = 0;
+	ret = wait_event_interruptible_timeout(par->vsync_wait,
+					       par->vsync_flag != 0,
+					       par->vsync_timeout);
+	if (ret < 0)
+		return ret;
+	if (ret == 0)
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
 static int fb_ioctl(struct fb_info *info, unsigned int cmd,
 			  unsigned long arg)
 {
@@ -697,6 +814,8 @@ static int fb_ioctl(struct fb_info *info, unsigned int cmd,
 					sync_arg.pulse_width,
 					sync_arg.front_porch);
 		break;
+	case FBIO_WAITFORVSYNC:
+		return fb_wait_for_vsync(info);
 	default:
 		return -EINVAL;
 	}
@@ -732,10 +851,47 @@ static int cfb_blank(int blank, struct fb_info *info)
 	return ret;
 }
 
+/*
+ * Set new x,y offsets in the virtual display for the visible area and switch
+ * to the new mode.
+ */
+static int da8xx_pan_display(struct fb_var_screeninfo *var,
+			     struct fb_info *fbi)
+{
+	int ret = 0;
+	struct fb_var_screeninfo new_var;
+	struct da8xx_fb_par         *par = fbi->par;
+	struct fb_fix_screeninfo    *fix = &fbi->fix;
+	unsigned int end;
+	unsigned int start;
+
+	if (var->xoffset != fbi->var.xoffset ||
+			var->yoffset != fbi->var.yoffset) {
+		memcpy(&new_var, &fbi->var, sizeof(new_var));
+		new_var.xoffset = var->xoffset;
+		new_var.yoffset = var->yoffset;
+		if (fb_check_var(&new_var, fbi))
+			ret = -EINVAL;
+		else {
+			memcpy(&fbi->var, &new_var, sizeof(new_var));
+
+			start	= fix->smem_start +
+				new_var.yoffset * fix->line_length +
+				new_var.xoffset * var->bits_per_pixel / 8;
+			end	= start + var->yres * fix->line_length - 1;
+			par->dma_start	= start;
+			par->dma_end	= end;
+		}
+	}
+
+	return ret;
+}
+
 static struct fb_ops da8xx_fb_ops = {
 	.owner = THIS_MODULE,
 	.fb_check_var = fb_check_var,
 	.fb_setcolreg = fb_setcolreg,
+	.fb_pan_display = da8xx_pan_display,
 	.fb_ioctl = fb_ioctl,
 	.fb_fillrect = cfb_fillrect,
 	.fb_copyarea = cfb_copyarea,
@@ -829,40 +985,53 @@ static int __init fb_probe(struct platform_device *device)
 	}
 
 	/* allocate frame buffer */
-	da8xx_fb_info->screen_base = dma_alloc_coherent(NULL,
-					par->databuf_sz + PAGE_SIZE,
-					(resource_size_t *)
-					&da8xx_fb_info->fix.smem_start,
-					GFP_KERNEL | GFP_DMA);
+	par->vram_size = lcdc_info->width * lcdc_info->height * lcd_cfg->bpp;
+	par->vram_size = PAGE_ALIGN(par->vram_size/8);
+	par->vram_size = par->vram_size * LCD_NUM_BUFFERS;
 
-	if (!da8xx_fb_info->screen_base) {
+	par->vram_virt = dma_alloc_coherent(NULL,
+					    par->vram_size,
+					    (resource_size_t *) &par->vram_phys,
+					    GFP_KERNEL | GFP_DMA);
+	if (!par->vram_virt) {
 		dev_err(&device->dev,
 			"GLCD: kmalloc for frame buffer failed\n");
 		ret = -EINVAL;
 		goto err_release_fb;
 	}
 
-	/* move palette base pointer by (PAGE_SIZE - palette_sz) bytes */
-	par->v_palette_base = da8xx_fb_info->screen_base +
-				(PAGE_SIZE - par->palette_sz);
-	par->p_palette_base = da8xx_fb_info->fix.smem_start +
-				(PAGE_SIZE - par->palette_sz);
+	da8xx_fb_info->screen_base = (char __iomem *) par->vram_virt;
+	da8xx_fb_fix.smem_start    = par->vram_phys;
+	da8xx_fb_fix.smem_len      = par->vram_size;
+	da8xx_fb_fix.line_length   = (lcdc_info->width * lcd_cfg->bpp) / 8;
 
-	/* the rest of the frame buffer is pixel data */
-	da8xx_fb_info->screen_base = par->v_palette_base + par->palette_sz;
-	da8xx_fb_fix.smem_start = par->p_palette_base + par->palette_sz;
-	da8xx_fb_fix.smem_len = par->databuf_sz - par->palette_sz;
-	da8xx_fb_fix.line_length = (lcdc_info->width * lcd_cfg->bpp) / 8;
+	par->dma_start = par->vram_phys;
+	par->dma_end   = par->dma_start + lcdc_info->height *
+		da8xx_fb_fix.line_length - 1;
+
+	/* allocate palette buffer */
+	par->v_palette_base = dma_alloc_coherent(NULL,
+					       PALETTE_SIZE,
+					       (resource_size_t *)
+					       &par->p_palette_base,
+					       GFP_KERNEL | GFP_DMA);
+	if (!par->v_palette_base) {
+		dev_err(&device->dev,
+			"GLCD: kmalloc for palette buffer failed\n");
+		ret = -EINVAL;
+		goto err_release_fb_mem;
+	}
+	memset(par->v_palette_base, 0, PALETTE_SIZE);
 
 	par->irq = platform_get_irq(device, 0);
 	if (par->irq < 0) {
 		ret = -ENOENT;
-		goto err_release_fb_mem;
+		goto err_release_pl_mem;
 	}
 
 	ret = request_irq(par->irq, lcdc_irq_handler, 0, DRIVER_NAME, par);
 	if (ret)
-		goto err_release_fb_mem;
+		goto err_release_pl_mem;
 
 	/* Initialize par */
 	da8xx_fb_info->var.bits_per_pixel = lcd_cfg->bpp;
@@ -870,8 +1039,8 @@ static int __init fb_probe(struct platform_device *device)
 	da8xx_fb_var.xres = lcdc_info->width;
 	da8xx_fb_var.xres_virtual = lcdc_info->width;
 
-	da8xx_fb_var.yres = lcdc_info->height;
-	da8xx_fb_var.yres_virtual = lcdc_info->height;
+	da8xx_fb_var.yres         = lcdc_info->height;
+	da8xx_fb_var.yres_virtual = lcdc_info->height * LCD_NUM_BUFFERS;
 
 	da8xx_fb_var.grayscale =
 	    lcd_cfg->p_disp_panel->panel_shade == MONOCHROME ? 1 : 0;
@@ -892,18 +1061,18 @@ static int __init fb_probe(struct platform_device *device)
 	ret = fb_alloc_cmap(&da8xx_fb_info->cmap, PALETTE_SIZE, 0);
 	if (ret)
 		goto err_free_irq;
-
-	/* First palette_sz byte of the frame buffer is the palette */
 	da8xx_fb_info->cmap.len = par->palette_sz;
 
-	/* Flush the buffer to the screen. */
-	lcd_blit(LOAD_DATA, par);
-
 	/* initialize var_screeninfo */
 	da8xx_fb_var.activate = FB_ACTIVATE_FORCE;
 	fb_set_var(da8xx_fb_info, &da8xx_fb_var);
 
 	dev_set_drvdata(&device->dev, da8xx_fb_info);
+
+	/* initialize the vsync wait queue */
+	init_waitqueue_head(&par->vsync_wait);
+	par->vsync_timeout = HZ / 5;
+
 	/* Register the Frame Buffer  */
 	if (register_framebuffer(da8xx_fb_info) < 0) {
 		dev_err(&device->dev,
@@ -919,10 +1088,6 @@ static int __init fb_probe(struct platform_device *device)
 		goto err_cpu_freq;
 	}
 #endif
-
-	/* enable raster engine */
-	lcd_enable_raster();
-
 	return 0;
 
 #ifdef CONFIG_CPU_FREQ
@@ -936,10 +1101,12 @@ err_dealloc_cmap:
 err_free_irq:
 	free_irq(par->irq, par);
 
+err_release_pl_mem:
+	dma_free_coherent(NULL, PALETTE_SIZE, par->v_palette_base,
+			  par->p_palette_base);
+
 err_release_fb_mem:
-	dma_free_coherent(NULL, par->databuf_sz + PAGE_SIZE,
-				da8xx_fb_info->screen_base - PAGE_SIZE,
-				da8xx_fb_info->fix.smem_start);
+	dma_free_coherent(NULL, par->vram_size, par->vram_virt, par->vram_phys);
 
 err_release_fb:
 	framebuffer_release(da8xx_fb_info);
diff --git a/include/video/da8xx-fb.h b/include/video/da8xx-fb.h
index 89d43b3d4cb..6316cdabf73 100644
--- a/include/video/da8xx-fb.h
+++ b/include/video/da8xx-fb.h
@@ -99,6 +99,7 @@ struct lcd_sync_arg {
 #define FBIPUT_COLOR		_IOW('F', 6, int)
 #define FBIPUT_HSYNC		_IOW('F', 9, int)
 #define FBIPUT_VSYNC		_IOW('F', 10, int)
+#define FBIO_WAITFORVSYNC	_IOW('F', 0x20, u_int32_t)
 
 #endif  /* ifndef DA8XX_FB_H */
 

From 49c39b4953e545ce3b5957cce22e1ade01c6e642 Mon Sep 17 00:00:00 2001
From: Grazvydas Ignotas <notasas@gmail.com>
Date: Mon, 24 May 2010 14:34:02 -0700
Subject: [PATCH 3108/3638] fbdev: move FBIO_WAITFORVSYNC to linux/fb.h

FBIO_WAITFORVSYNC is currently implemented by matroxfb, atyfb, intelfb and
more.  All of them keep redefining the same FBIO_WAITFORVSYNC macro over
and over again, so move it to linux/fb.h and clean up those duplicate
defines.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Cc: Ville Syrjala <syrjala@sci.fi>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Maik Broemme <mbroemme@plusserver.de>
Cc: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: "Hiremath, Vaibhav" <hvaibhav@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/aty/atyfb_base.c  | 4 ----
 drivers/video/intelfb/intelfb.h | 4 ----
 include/linux/fb.h              | 2 +-
 include/linux/ivtvfb.h          | 1 -
 include/linux/matroxfb.h        | 3 +--
 include/video/sh_mobile_lcdc.h  | 2 --
 6 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 29d72851f85..f8d69ad3683 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -1820,10 +1820,6 @@ struct atyclk {
 #define ATYIO_FEATW		0x41545903	/* ATY\03 */
 #endif
 
-#ifndef FBIO_WAITFORVSYNC
-#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
-#endif
-
 static int atyfb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 {
 	struct atyfb_par *par = (struct atyfb_par *) info->par;
diff --git a/drivers/video/intelfb/intelfb.h b/drivers/video/intelfb/intelfb.h
index 40984551c92..6b51175629c 100644
--- a/drivers/video/intelfb/intelfb.h
+++ b/drivers/video/intelfb/intelfb.h
@@ -371,10 +371,6 @@ struct intelfb_info {
 			((dinfo)->chipset == INTEL_965G) ||	\
 			((dinfo)->chipset == INTEL_965GM))
 
-#ifndef FBIO_WAITFORVSYNC
-#define FBIO_WAITFORVSYNC	_IOW('F', 0x20, __u32)
-#endif
-
 /*** function prototypes ***/
 
 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 1296af45169..f3793ebc241 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -37,7 +37,7 @@ struct dentry;
 #define FBIOGET_HWCINFO         0x4616
 #define FBIOPUT_MODEINFO        0x4617
 #define FBIOGET_DISPINFO        0x4618
-
+#define FBIO_WAITFORVSYNC	_IOW('F', 0x20, __u32)
 
 #define FB_TYPE_PACKED_PIXELS		0	/* Packed Pixels	*/
 #define FB_TYPE_PLANES			1	/* Non interleaved planes */
diff --git a/include/linux/ivtvfb.h b/include/linux/ivtvfb.h
index 9d88b29ddf5..e8b92f67f10 100644
--- a/include/linux/ivtvfb.h
+++ b/include/linux/ivtvfb.h
@@ -33,6 +33,5 @@ struct ivtvfb_dma_frame {
 };
 
 #define IVTVFB_IOC_DMA_FRAME 	_IOW('V', BASE_VIDIOC_PRIVATE+0, struct ivtvfb_dma_frame)
-#define FBIO_WAITFORVSYNC	_IOW('F', 0x20, __u32)
 
 #endif
diff --git a/include/linux/matroxfb.h b/include/linux/matroxfb.h
index 2203121a43e..8c22a893864 100644
--- a/include/linux/matroxfb.h
+++ b/include/linux/matroxfb.h
@@ -4,6 +4,7 @@
 #include <asm/ioctl.h>
 #include <linux/types.h>
 #include <linux/videodev2.h>
+#include <linux/fb.h>
 
 struct matroxioc_output_mode {
 	__u32	output;		/* which output */
@@ -37,7 +38,5 @@ enum matroxfb_ctrl_id {
   MATROXFB_CID_LAST
 };
 
-#define FBIO_WAITFORVSYNC	_IOW('F', 0x20, __u32)
-
 #endif
 
diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h
index 2cc893fc1f8..28820545771 100644
--- a/include/video/sh_mobile_lcdc.h
+++ b/include/video/sh_mobile_lcdc.h
@@ -34,8 +34,6 @@ enum { LCDC_CLK_BUS, LCDC_CLK_PERIPHERAL, LCDC_CLK_EXTERNAL };
 #define LCDC_FLAGS_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
 #define LCDC_FLAGS_DWCNT (1 << 4) /* Disable dotclock during blanking */
 
-#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
-
 struct sh_mobile_lcdc_sys_bus_cfg {
 	unsigned long ldmt2r;
 	unsigned long ldmt3r;

From e88a0f461aeadfe309d36a2a4fac9ffb1b0ed651 Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:34:04 -0700
Subject: [PATCH 3109/3638] hitfb: fix sections

Since the drivers probe call was changed from .init.text to .devinit.text
in commit c2e13037e6794bd0d9de3f9ecabf5615f15c160b ("platform-drivers:
move probe to .devinit.text in drivers/video") the fb_fix_screeninfo and
fb_var_screeninfo structures must be changed from .init.data to
.devinit.data, too.

Also the drivers remove routine should be moved from .exit.text to
.devexit.text

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/hitfb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/video/hitfb.c b/drivers/video/hitfb.c
index 393f3f3d3df..cfb8d645101 100644
--- a/drivers/video/hitfb.c
+++ b/drivers/video/hitfb.c
@@ -30,14 +30,14 @@
 
 #define	WIDTH 640
 
-static struct fb_var_screeninfo hitfb_var __initdata = {
+static struct fb_var_screeninfo hitfb_var __devinitdata = {
 	.activate	= FB_ACTIVATE_NOW,
 	.height		= -1,
 	.width		= -1,
 	.vmode		= FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo hitfb_fix __initdata = {
+static struct fb_fix_screeninfo hitfb_fix __devinitdata = {
 	.id		= "Hitachi HD64461",
 	.type		= FB_TYPE_PACKED_PIXELS,
 	.accel		= FB_ACCEL_NONE,
@@ -417,7 +417,7 @@ err_fb:
 	return ret;
 }
 
-static int __exit hitfb_remove(struct platform_device *dev)
+static int __devexit hitfb_remove(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
 
@@ -462,7 +462,7 @@ static const struct dev_pm_ops hitfb_dev_pm_ops = {
 
 static struct platform_driver hitfb_driver = {
 	.probe		= hitfb_probe,
-	.remove		= __exit_p(hitfb_remove),
+	.remove		= __devexit_p(hitfb_remove),
 	.driver		= {
 		.name	= "hitfb",
 		.owner	= THIS_MODULE,

From a8ce4be7d5b99a6338e695b26358abca329735c1 Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:34:05 -0700
Subject: [PATCH 3110/3638] s3c2410fb: fix sections

Since the drivers probe calls were changed from .init.text to
.devinit.text in commit c2e13037e6794bd0d9de3f9ecabf5615f15c160b
("platform-drivers: move probe to .devinit.text in drivers/video") all the
function from .init.text should be moved to .devinit.text, too.

The drivers remove calls can also be move from .text to .devexit.text.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Cc: Vincent Sanders <support@simtec.co.uk>
Acked-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Tested-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/s3c2410fb.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c
index 2b094dec4a5..46b430978bc 100644
--- a/drivers/video/s3c2410fb.c
+++ b/drivers/video/s3c2410fb.c
@@ -631,7 +631,7 @@ static struct fb_ops s3c2410fb_ops = {
  *	cache.  Once this area is remapped, all virtual memory
  *	access to the video memory should occur at the new region.
  */
-static int __init s3c2410fb_map_video_memory(struct fb_info *info)
+static int __devinit s3c2410fb_map_video_memory(struct fb_info *info)
 {
 	struct s3c2410fb_info *fbi = info->par;
 	dma_addr_t map_dma;
@@ -814,7 +814,7 @@ static inline void s3c2410fb_cpufreq_deregister(struct s3c2410fb_info *info)
 
 static char driver_name[] = "s3c2410fb";
 
-static int __init s3c24xxfb_probe(struct platform_device *pdev,
+static int __devinit s3c24xxfb_probe(struct platform_device *pdev,
 				  enum s3c_drv_type drv_type)
 {
 	struct s3c2410fb_info *info;
@@ -1018,7 +1018,7 @@ static int __devinit s3c2412fb_probe(struct platform_device *pdev)
 /*
  *  Cleanup
  */
-static int s3c2410fb_remove(struct platform_device *pdev)
+static int __devexit s3c2410fb_remove(struct platform_device *pdev)
 {
 	struct fb_info *fbinfo = platform_get_drvdata(pdev);
 	struct s3c2410fb_info *info = fbinfo->par;
@@ -1096,7 +1096,7 @@ static int s3c2410fb_resume(struct platform_device *dev)
 
 static struct platform_driver s3c2410fb_driver = {
 	.probe		= s3c2410fb_probe,
-	.remove		= s3c2410fb_remove,
+	.remove		= __devexit_p(s3c2410fb_remove),
 	.suspend	= s3c2410fb_suspend,
 	.resume		= s3c2410fb_resume,
 	.driver		= {
@@ -1107,7 +1107,7 @@ static struct platform_driver s3c2410fb_driver = {
 
 static struct platform_driver s3c2412fb_driver = {
 	.probe		= s3c2412fb_probe,
-	.remove		= s3c2410fb_remove,
+	.remove		= __devexit_p(s3c2410fb_remove),
 	.suspend	= s3c2410fb_suspend,
 	.resume		= s3c2410fb_resume,
 	.driver		= {

From 0d5b02641faade3dfd376abdcffbd8ccb03c7a91 Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:34:07 -0700
Subject: [PATCH 3111/3638] sgivwfb: fix sections

Since the drivers probe call was changed from .init.text to .devinit.text
in commit c2e13037e6794bd0d9de3f9ecabf5615f15c160b ("platform-drivers:
move probe to .devinit.text in drivers/video") the fb_fix_screeninfo and
fb_var_screeninfo structures must be changed from .init.data to
.devinit.data, too.

Also the drivers remove routine should be moved from .text to .devexit.text

It removes these 7 section mismatch warnings from modpost:

WARNING: vmlinux.o(.devinit.text+0x1e28): Section mismatch in reference from the function sgivwfb_probe() to the variable .init.data:sgivwfb_fix
The function __devinit sgivwfb_probe() references
a variable __initdata sgivwfb_fix.
If sgivwfb_fix is only used by sgivwfb_probe then
annotate sgivwfb_fix with a matching annotation.

WARNING: vmlinux.o(.devinit.text+0x1e50): Section mismatch in reference from the function sgivwfb_probe() to the (unknown reference) .init.data:(unknown)
The function __devinit sgivwfb_probe() references
a (unknown reference) __initdata (unknown).
If (unknown) is only used by sgivwfb_probe then
annotate (unknown) with a matching annotation.

WARNING: vmlinux.o(.devinit.text+0x1e59): Section mismatch in reference from the function sgivwfb_probe() to the (unknown reference) .init.data:(unknown)
The function __devinit sgivwfb_probe() references
a (unknown reference) __initdata (unknown).
If (unknown) is only used by sgivwfb_probe then
annotate (unknown) with a matching annotation.

WARNING: vmlinux.o(.devinit.text+0x1e60): Section mismatch in reference from the function sgivwfb_probe() to the variable .init.data:sgivwfb_fix
The function __devinit sgivwfb_probe() references
a variable __initdata sgivwfb_fix.
If sgivwfb_fix is only used by sgivwfb_probe then
annotate sgivwfb_fix with a matching annotation.

WARNING: vmlinux.o(.devinit.text+0x1e6a): Section mismatch in reference from the function sgivwfb_probe() to the (unknown reference) .init.data:(unknown)
The function __devinit sgivwfb_probe() references
a (unknown reference) __initdata (unknown).
If (unknown) is only used by sgivwfb_probe then
annotate (unknown) with a matching annotation.

WARNING: vmlinux.o(.devinit.text+0x1e7f): Section mismatch in reference from the function sgivwfb_probe() to the variable .init.data:sgivwfb_var1600sw
The function __devinit sgivwfb_probe() references
a variable __initdata sgivwfb_var1600sw.
If sgivwfb_var1600sw is only used by sgivwfb_probe then
annotate sgivwfb_var1600sw with a matching annotation.

WARNING: vmlinux.o(.devinit.text+0x1e91): Section mismatch in reference from the function sgivwfb_probe() to the variable .init.data:sgivwfb_var
The function __devinit sgivwfb_probe() references
a variable __initdata sgivwfb_var.
If sgivwfb_var is only used by sgivwfb_probe then
annotate sgivwfb_var with a matching annotation.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/sgivwfb.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/video/sgivwfb.c b/drivers/video/sgivwfb.c
index 7a3a5e28eca..53455f29551 100644
--- a/drivers/video/sgivwfb.c
+++ b/drivers/video/sgivwfb.c
@@ -47,7 +47,7 @@ static int ywrap = 0;
 
 static int flatpanel_id = -1;
 
-static struct fb_fix_screeninfo sgivwfb_fix __initdata = {
+static struct fb_fix_screeninfo sgivwfb_fix __devinitdata = {
 	.id		= "SGI Vis WS FB",
 	.type		= FB_TYPE_PACKED_PIXELS,
         .visual		= FB_VISUAL_PSEUDOCOLOR,
@@ -57,7 +57,7 @@ static struct fb_fix_screeninfo sgivwfb_fix __initdata = {
 	.line_length	= 640,
 };
 
-static struct fb_var_screeninfo sgivwfb_var __initdata = {
+static struct fb_var_screeninfo sgivwfb_var __devinitdata = {
 	/* 640x480, 8 bpp */
 	.xres		= 640,
 	.yres		= 480,
@@ -79,7 +79,7 @@ static struct fb_var_screeninfo sgivwfb_var __initdata = {
 	.vmode		= FB_VMODE_NONINTERLACED
 };
 
-static struct fb_var_screeninfo sgivwfb_var1600sw __initdata = {
+static struct fb_var_screeninfo sgivwfb_var1600sw __devinitdata = {
 	/* 1600x1024, 8 bpp */
 	.xres		= 1600,
 	.yres		= 1024,
@@ -825,7 +825,7 @@ fail_ioremap_regs:
 	return -ENXIO;
 }
 
-static int sgivwfb_remove(struct platform_device *dev)
+static int __devexit sgivwfb_remove(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
 
@@ -845,7 +845,7 @@ static int sgivwfb_remove(struct platform_device *dev)
 
 static struct platform_driver sgivwfb_driver = {
 	.probe	= sgivwfb_probe,
-	.remove	= sgivwfb_remove,
+	.remove	= __devexit_p(sgivwfb_remove),
 	.driver	= {
 		.name	= "sgivwfb",
 	},

From 49bbd815fd8ba26d0354900b783b767c7f47c816 Mon Sep 17 00:00:00 2001
From: Albert Herranz <albert_herranz@yahoo.es>
Date: Mon, 24 May 2010 14:34:08 -0700
Subject: [PATCH 3112/3638] fb_defio: fix for non-dirty ptes

Fix a problem observed while using fb_defio with a short delay on a
PowerPC platform.

It is possible that page_mkclean() is invoked in the deferred io work
function _before_ a PTE has been marked dirty.  In this case, the page is
removed from the defio pagelist but page_mkclean() does not write-protect
the page again.  The end result is that defio ignores all subsequent
writes to the page and the corresponding portions of the framebuffer never
get updated.

The fix consists in keeping track of the pages with non-dirty PTEs,
re-checking them again on the next deferred io work iteration.  Note that
those pages are not passed to the defio callback as they are not written
by userspace yet.

Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/fb_defio.c | 40 ++++++++++++++++++++++++++++++++--------
 1 file changed, 32 insertions(+), 8 deletions(-)

diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index 6113c47e095..1105a591dcc 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -155,25 +155,41 @@ static void fb_deferred_io_work(struct work_struct *work)
 {
 	struct fb_info *info = container_of(work, struct fb_info,
 						deferred_work.work);
-	struct list_head *node, *next;
-	struct page *cur;
 	struct fb_deferred_io *fbdefio = info->fbdefio;
+	struct page *page, *tmp_page;
+	struct list_head *node, *tmp_node;
+	struct list_head non_dirty;
+
+	INIT_LIST_HEAD(&non_dirty);
 
 	/* here we mkclean the pages, then do all deferred IO */
 	mutex_lock(&fbdefio->lock);
-	list_for_each_entry(cur, &fbdefio->pagelist, lru) {
-		lock_page(cur);
-		page_mkclean(cur);
-		unlock_page(cur);
+	list_for_each_entry_safe(page, tmp_page, &fbdefio->pagelist, lru) {
+		lock_page(page);
+		/*
+		 * The workqueue callback can be triggered after a
+		 * ->page_mkwrite() call but before the PTE has been marked
+		 * dirty. In this case page_mkclean() won't "rearm" the page.
+		 *
+		 * To avoid this, remove those "non-dirty" pages from the
+		 * pagelist before calling the driver's callback, then add
+		 * them back to get processed on the next work iteration.
+		 * At that time, their PTEs will hopefully be dirty for real.
+		 */
+		if (!page_mkclean(page))
+			list_move_tail(&page->lru, &non_dirty);
+		unlock_page(page);
 	}
 
 	/* driver's callback with pagelist */
 	fbdefio->deferred_io(info, &fbdefio->pagelist);
 
-	/* clear the list */
-	list_for_each_safe(node, next, &fbdefio->pagelist) {
+	/* clear the list... */
+	list_for_each_safe(node, tmp_node, &fbdefio->pagelist) {
 		list_del(node);
 	}
+	/* ... and add back the "non-dirty" pages to the list */
+	list_splice_tail(&non_dirty, &fbdefio->pagelist);
 	mutex_unlock(&fbdefio->lock);
 }
 
@@ -202,6 +218,7 @@ EXPORT_SYMBOL_GPL(fb_deferred_io_open);
 void fb_deferred_io_cleanup(struct fb_info *info)
 {
 	struct fb_deferred_io *fbdefio = info->fbdefio;
+	struct list_head *node, *tmp_node;
 	struct page *page;
 	int i;
 
@@ -209,6 +226,13 @@ void fb_deferred_io_cleanup(struct fb_info *info)
 	cancel_delayed_work(&info->deferred_work);
 	flush_scheduled_work();
 
+	/*  the list may have still some non-dirty pages at this point */
+	mutex_lock(&fbdefio->lock);
+	list_for_each_safe(node, tmp_node, &fbdefio->pagelist) {
+		list_del(node);
+	}
+	mutex_unlock(&fbdefio->lock);
+
 	/* clear out the mapping that we setup */
 	for (i = 0 ; i < info->fix.smem_len; i += PAGE_SIZE) {
 		page = fb_deferred_io_page(info, i);

From a42dcb883d948a5f26c005f0e401e8297aa05f76 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 24 May 2010 14:34:09 -0700
Subject: [PATCH 3113/3638] nuc900fb: release correct mem region

We should be releasing "res->start" here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Cc: Wang Qiang <rurality.linux@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/nuc900fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c
index 6bf0d460a73..d4cde79ea15 100644
--- a/drivers/video/nuc900fb.c
+++ b/drivers/video/nuc900fb.c
@@ -667,7 +667,7 @@ release_irq:
 release_regs:
 	iounmap(fbi->io);
 release_mem_region:
-	release_mem_region((unsigned long)fbi->mem, size);
+	release_mem_region(res->start, size);
 free_fb:
 	framebuffer_release(fbinfo);
 	return ret;

From bf87eae94880f1b79c2828d8705f0d97e961f168 Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Mon, 24 May 2010 14:34:09 -0700
Subject: [PATCH 3114/3638] auxdisplay: section cleanup in cfag12864bfb driver

This fixes a two section mismatches and makes remove() __devexit.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Cc: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/auxdisplay/cfag12864bfb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/auxdisplay/cfag12864bfb.c b/drivers/auxdisplay/cfag12864bfb.c
index 3fecfb446d9..5ad3bad2b0a 100644
--- a/drivers/auxdisplay/cfag12864bfb.c
+++ b/drivers/auxdisplay/cfag12864bfb.c
@@ -37,7 +37,7 @@
 
 #define CFAG12864BFB_NAME "cfag12864bfb"
 
-static struct fb_fix_screeninfo cfag12864bfb_fix __initdata = {
+static struct fb_fix_screeninfo cfag12864bfb_fix __devinitdata = {
 	.id = "cfag12864b",
 	.type = FB_TYPE_PACKED_PIXELS,
 	.visual = FB_VISUAL_MONO10,
@@ -48,7 +48,7 @@ static struct fb_fix_screeninfo cfag12864bfb_fix __initdata = {
 	.accel = FB_ACCEL_NONE,
 };
 
-static struct fb_var_screeninfo cfag12864bfb_var __initdata = {
+static struct fb_var_screeninfo cfag12864bfb_var __devinitdata = {
 	.xres = CFAG12864B_WIDTH,
 	.yres = CFAG12864B_HEIGHT,
 	.xres_virtual = CFAG12864B_WIDTH,
@@ -114,7 +114,7 @@ none:
 	return ret;
 }
 
-static int cfag12864bfb_remove(struct platform_device *device)
+static int __devexit cfag12864bfb_remove(struct platform_device *device)
 {
 	struct fb_info *info = platform_get_drvdata(device);
 
@@ -128,7 +128,7 @@ static int cfag12864bfb_remove(struct platform_device *device)
 
 static struct platform_driver cfag12864bfb_driver = {
 	.probe	= cfag12864bfb_probe,
-	.remove = cfag12864bfb_remove,
+	.remove = __devexit_p(cfag12864bfb_remove),
 	.driver = {
 		.name	= CFAG12864BFB_NAME,
 	},

From 36b83ded062a7416bb9184f4d6c537ad99571f4d Mon Sep 17 00:00:00 2001
From: Nick Cheng <nick.cheng@areca.com.tw>
Date: Mon, 17 May 2010 11:22:42 +0800
Subject: [PATCH 3115/3638] [SCSI] arcmsr: Support HW reset for EH and polling
 scheme for scsi device

1. To support instantaneous report for SCSI device existing by periodic
   polling
2. In arcmsr_iop_xfer(), inform AP of F/W's deadlock state to prevent
   endless waiting
3. To block the coming SCSI command while the driver is handling bus reset
4. To support HW reset in bus reset error handler

Signed-off-by: Nick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/arcmsr/arcmsr.h      |  29 +-
 drivers/scsi/arcmsr/arcmsr_attr.c |   3 +
 drivers/scsi/arcmsr/arcmsr_hba.c  | 688 ++++++++++++++++++++++--------
 3 files changed, 527 insertions(+), 193 deletions(-)

diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
index ab646e580d6..ce5371b3cdd 100644
--- a/drivers/scsi/arcmsr/arcmsr.h
+++ b/drivers/scsi/arcmsr/arcmsr.h
@@ -48,7 +48,7 @@ struct device_attribute;
 /*The limit of outstanding scsi command that firmware can handle*/
 #define ARCMSR_MAX_OUTSTANDING_CMD						256
 #define ARCMSR_MAX_FREECCB_NUM							320
-#define ARCMSR_DRIVER_VERSION		     "Driver Version 1.20.00.15 2008/02/27"
+#define ARCMSR_DRIVER_VERSION		     "Driver Version 1.20.00.15 2008/11/03"
 #define ARCMSR_SCSI_INITIATOR_ID						255
 #define ARCMSR_MAX_XFER_SECTORS							512
 #define ARCMSR_MAX_XFER_SECTORS_B						4096
@@ -110,6 +110,8 @@ struct CMD_MESSAGE_FIELD
 #define FUNCTION_SAY_HELLO			0x0807
 #define FUNCTION_SAY_GOODBYE			0x0808
 #define FUNCTION_FLUSH_ADAPTER_CACHE		0x0809
+#define FUNCTION_GET_FIRMWARE_STATUS			0x080A
+#define FUNCTION_HARDWARE_RESET			0x080B
 /* ARECA IO CONTROL CODE*/
 #define ARCMSR_MESSAGE_READ_RQBUFFER       \
 	ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
@@ -133,6 +135,7 @@ struct CMD_MESSAGE_FIELD
 #define ARCMSR_MESSAGE_RETURNCODE_OK              0x00000001
 #define ARCMSR_MESSAGE_RETURNCODE_ERROR           0x00000006
 #define ARCMSR_MESSAGE_RETURNCODE_3F              0x0000003F
+#define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON	0x00000088
 /*
 *************************************************************
 **   structure for holding DMA address data
@@ -341,13 +344,13 @@ struct MessageUnit_B
 	uint32_t	done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
 	uint32_t	postq_index;
 	uint32_t	doneq_index;
-	void		__iomem *drv2iop_doorbell_reg;
-	void		__iomem *drv2iop_doorbell_mask_reg;
-	void		__iomem *iop2drv_doorbell_reg;
-	void		__iomem *iop2drv_doorbell_mask_reg;
-	void		__iomem *msgcode_rwbuffer_reg;
-	void		__iomem *ioctl_wbuffer_reg;
-	void		__iomem *ioctl_rbuffer_reg;
+	uint32_t		__iomem *drv2iop_doorbell_reg;
+	uint32_t		__iomem *drv2iop_doorbell_mask_reg;
+	uint32_t		__iomem *iop2drv_doorbell_reg;
+	uint32_t		__iomem *iop2drv_doorbell_mask_reg;
+	uint32_t		__iomem *msgcode_rwbuffer_reg;
+	uint32_t		__iomem *ioctl_wbuffer_reg;
+	uint32_t		__iomem *ioctl_rbuffer_reg;
 };
 
 /*
@@ -375,6 +378,7 @@ struct AdapterControlBlock
 	/* message unit ATU inbound base address0 */
 
 	uint32_t			acb_flags;
+	uint8_t                   		adapter_index;
 	#define ACB_F_SCSISTOPADAPTER         	0x0001
 	#define ACB_F_MSG_STOP_BGRB     	0x0002
 	/* stop RAID background rebuild */
@@ -390,7 +394,7 @@ struct AdapterControlBlock
 	#define ACB_F_BUS_RESET               	0x0080
 	#define ACB_F_IOP_INITED              	0x0100
 	/* iop init */
-
+	#define ACB_F_FIRMWARE_TRAP           		0x0400
 	struct CommandControlBlock *			pccb_pool[ARCMSR_MAX_FREECCB_NUM];
 	/* used for memory free */
 	struct list_head		ccb_free_list;
@@ -423,12 +427,19 @@ struct AdapterControlBlock
 #define ARECA_RAID_GOOD               0xaa
 	uint32_t			num_resets;
 	uint32_t			num_aborts;
+	uint32_t			signature;
 	uint32_t			firm_request_len;
 	uint32_t			firm_numbers_queue;
 	uint32_t			firm_sdram_size;
 	uint32_t			firm_hd_channels;
 	char				firm_model[12];
 	char				firm_version[20];
+	char			device_map[20];			/*21,84-99*/
+	struct work_struct 		arcmsr_do_message_isr_bh;
+	struct timer_list		eternal_timer;
+	unsigned short		fw_state;
+	atomic_t 			rq_map_token;
+	int			ante_token_value;
 };/* HW_DEVICE_EXTENSION */
 /*
 *******************************************************************************
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index a4e04c50c43..07fdfe57e38 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -192,6 +192,7 @@ static struct bin_attribute arcmsr_sysfs_message_read_attr = {
 	.attr = {
 		.name = "mu_read",
 		.mode = S_IRUSR ,
+		.owner = THIS_MODULE,
 	},
 	.size = 1032,
 	.read = arcmsr_sysfs_iop_message_read,
@@ -201,6 +202,7 @@ static struct bin_attribute arcmsr_sysfs_message_write_attr = {
 	.attr = {
 		.name = "mu_write",
 		.mode = S_IWUSR,
+		.owner = THIS_MODULE,
 	},
 	.size = 1032,
 	.write = arcmsr_sysfs_iop_message_write,
@@ -210,6 +212,7 @@ static struct bin_attribute arcmsr_sysfs_message_clear_attr = {
 	.attr = {
 		.name = "mu_clear",
 		.mode = S_IWUSR,
+		.owner = THIS_MODULE,
 	},
 	.size = 1,
 	.write = arcmsr_sysfs_iop_message_clear,
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index ffbe2192da3..ffa54792bb3 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -72,8 +72,16 @@
 #include <scsi/scsicam.h>
 #include "arcmsr.h"
 
+#ifdef CONFIG_SCSI_ARCMSR_RESET
+	static int sleeptime = 20;
+	static int retrycount = 12;
+	module_param(sleeptime, int, S_IRUGO|S_IWUSR);
+	MODULE_PARM_DESC(sleeptime, "The waiting period for FW ready while bus reset");
+	module_param(retrycount, int, S_IRUGO|S_IWUSR);
+	MODULE_PARM_DESC(retrycount, "The retry count for FW ready while bus reset");
+#endif
 MODULE_AUTHOR("Erich Chen <support@areca.com.tw>");
-MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID HOST Adapter");
+MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID Host Bus Adapter");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(ARCMSR_DRIVER_VERSION);
 
@@ -96,6 +104,13 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
 static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
 static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb);
 static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb);
+static void arcmsr_request_device_map(unsigned long pacb);
+static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb);
+static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb);
+static void arcmsr_message_isr_bh_fn(struct work_struct *work);
+static void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode);
+static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
+
 static const char *arcmsr_info(struct Scsi_Host *);
 static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
 static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
@@ -112,7 +127,7 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
 
 static struct scsi_host_template arcmsr_scsi_host_template = {
 	.module			= THIS_MODULE,
-	.name			= "ARCMSR ARECA SATA/SAS RAID HOST Adapter"
+	.name			= "ARCMSR ARECA SATA/SAS RAID Host Bus Adapter"
 							ARCMSR_DRIVER_VERSION,
 	.info			= arcmsr_info,
 	.queuecommand		= arcmsr_queue_command,
@@ -128,16 +143,6 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
 	.use_clustering		= ENABLE_CLUSTERING,
 	.shost_attrs		= arcmsr_host_attrs,
 };
-#ifdef CONFIG_SCSI_ARCMSR_AER
-static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev);
-static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
-						pci_channel_state_t state);
-
-static struct pci_error_handlers arcmsr_pci_error_handlers = {
-	.error_detected		= arcmsr_pci_error_detected,
-	.slot_reset		= arcmsr_pci_slot_reset,
-};
-#endif
 static struct pci_device_id arcmsr_device_id_table[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
 	{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)},
@@ -166,9 +171,6 @@ static struct pci_driver arcmsr_pci_driver = {
 	.probe			= arcmsr_probe,
 	.remove			= arcmsr_remove,
 	.shutdown		= arcmsr_shutdown,
-	#ifdef CONFIG_SCSI_ARCMSR_AER
-	.err_handler		= &arcmsr_pci_error_handlers,
-	#endif
 };
 
 static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
@@ -236,10 +238,9 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
 		void *dma_coherent;
 		dma_addr_t dma_coherent_handle, dma_addr;
 		struct CommandControlBlock *ccb_tmp;
-		uint32_t intmask_org;
 		int i, j;
 
-		acb->pmuA = pci_ioremap_bar(pdev, 0);
+		acb->pmuA = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
 		if (!acb->pmuA) {
 			printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n",
 							acb->host->host_no);
@@ -281,12 +282,6 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
 		for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
 			for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
 				acb->devstate[i][j] = ARECA_RAID_GONE;
-
-		/*
-		** here we need to tell iop 331 our ccb_tmp.HighPart
-		** if ccb_tmp.HighPart is not zero
-		*/
-		intmask_org = arcmsr_disable_outbound_ints(acb);
 		}
 		break;
 
@@ -297,7 +292,6 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
 		void __iomem *mem_base0, *mem_base1;
 		void *dma_coherent;
 		dma_addr_t dma_coherent_handle, dma_addr;
-		uint32_t intmask_org;
 		struct CommandControlBlock *ccb_tmp;
 		int i, j;
 
@@ -333,11 +327,13 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
 		reg = (struct MessageUnit_B *)(dma_coherent +
 		ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock));
 		acb->pmuB = reg;
-		mem_base0 = pci_ioremap_bar(pdev, 0);
+		mem_base0 = ioremap(pci_resource_start(pdev, 0),
+					pci_resource_len(pdev, 0));
 		if (!mem_base0)
 			goto out;
 
-		mem_base1 = pci_ioremap_bar(pdev, 2);
+		mem_base1 = ioremap(pci_resource_start(pdev, 2),
+					pci_resource_len(pdev, 2));
 		if (!mem_base1) {
 			iounmap(mem_base0);
 			goto out;
@@ -357,12 +353,6 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
 		for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
 			for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
 				acb->devstate[i][j] = ARECA_RAID_GOOD;
-
-		/*
-		** here we need to tell iop 331 our ccb_tmp.HighPart
-		** if ccb_tmp.HighPart is not zero
-		*/
-		intmask_org = arcmsr_disable_outbound_ints(acb);
 		}
 		break;
 	}
@@ -374,6 +364,88 @@ out:
 		sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle);
 	return -ENOMEM;
 }
+static void arcmsr_message_isr_bh_fn(struct work_struct *work)
+{
+	struct AdapterControlBlock *acb = container_of(work, struct AdapterControlBlock, arcmsr_do_message_isr_bh);
+
+	switch (acb->adapter_type) {
+		case ACB_ADAPTER_TYPE_A: {
+
+			struct MessageUnit_A __iomem *reg  = acb->pmuA;
+			char *acb_dev_map = (char *)acb->device_map;
+			uint32_t __iomem *signature = (uint32_t __iomem *) (&reg->message_rwbuffer[0]);
+			char __iomem *devicemap = (char __iomem *) (&reg->message_rwbuffer[21]);
+			int target, lun;
+			struct scsi_device *psdev;
+			char diff;
+
+			atomic_inc(&acb->rq_map_token);
+			if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
+				for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) {
+					diff = (*acb_dev_map)^readb(devicemap);
+					if (diff != 0) {
+						char temp;
+						*acb_dev_map = readb(devicemap);
+						temp = *acb_dev_map;
+						for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
+							if ((temp & 0x01) == 1 && (diff & 0x01) == 1) {
+								scsi_add_device(acb->host, 0, target, lun);
+							} else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) {
+								psdev = scsi_device_lookup(acb->host, 0, target, lun);
+								if (psdev != NULL) {
+									scsi_remove_device(psdev);
+									scsi_device_put(psdev);
+								}
+							}
+							temp >>= 1;
+							diff >>= 1;
+						}
+					}
+					devicemap++;
+					acb_dev_map++;
+				}
+			}
+			break;
+		}
+
+		case ACB_ADAPTER_TYPE_B: {
+			struct MessageUnit_B *reg  = acb->pmuB;
+			char *acb_dev_map = (char *)acb->device_map;
+			uint32_t __iomem *signature = (uint32_t __iomem *)(&reg->msgcode_rwbuffer_reg[0]);
+			char __iomem *devicemap = (char __iomem *)(&reg->msgcode_rwbuffer_reg[21]);
+			int target, lun;
+			struct scsi_device *psdev;
+			char diff;
+
+			atomic_inc(&acb->rq_map_token);
+			if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
+				for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) {
+					diff = (*acb_dev_map)^readb(devicemap);
+					if (diff != 0) {
+						char temp;
+						*acb_dev_map = readb(devicemap);
+						temp = *acb_dev_map;
+						for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
+							if ((temp & 0x01) == 1 && (diff & 0x01) == 1) {
+								scsi_add_device(acb->host, 0, target, lun);
+							} else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) {
+								psdev = scsi_device_lookup(acb->host, 0, target, lun);
+								if (psdev != NULL) {
+									scsi_remove_device(psdev);
+									scsi_device_put(psdev);
+								}
+							}
+							temp >>= 1;
+							diff >>= 1;
+						}
+					}
+					devicemap++;
+					acb_dev_map++;
+				}
+			}
+		}
+	}
+}
 
 static int arcmsr_probe(struct pci_dev *pdev,
 	const struct pci_device_id *id)
@@ -432,17 +504,17 @@ static int arcmsr_probe(struct pci_dev *pdev,
 			   ACB_F_MESSAGE_WQBUFFER_READED);
 	acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
 	INIT_LIST_HEAD(&acb->ccb_free_list);
-
+	INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
 	error = arcmsr_alloc_ccb_pool(acb);
 	if (error)
 		goto out_release_regions;
 
+	arcmsr_iop_init(acb);
 	error = request_irq(pdev->irq, arcmsr_do_interrupt,
 			    IRQF_SHARED, "arcmsr", acb);
 	if (error)
 		goto out_free_ccb_pool;
 
-	arcmsr_iop_init(acb);
 	pci_set_drvdata(pdev, host);
 	if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
 		host->max_sectors= ARCMSR_MAX_XFER_SECTORS_B;
@@ -459,6 +531,14 @@ static int arcmsr_probe(struct pci_dev *pdev,
 	#ifdef CONFIG_SCSI_ARCMSR_AER
 	pci_enable_pcie_error_reporting(pdev);
 	#endif
+	atomic_set(&acb->rq_map_token, 16);
+	acb->fw_state = true;
+	init_timer(&acb->eternal_timer);
+	acb->eternal_timer.expires = jiffies + msecs_to_jiffies(10*HZ);
+	acb->eternal_timer.data = (unsigned long) acb;
+	acb->eternal_timer.function = &arcmsr_request_device_map;
+	add_timer(&acb->eternal_timer);
+
 	return 0;
  out_free_sysfs:
  out_free_irq:
@@ -518,40 +598,48 @@ static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
 	return 0xff;
 }
 
-static void arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
+static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
 {
 	struct MessageUnit_A __iomem *reg = acb->pmuA;
 
 	writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->inbound_msgaddr0);
-	if (arcmsr_hba_wait_msgint_ready(acb))
+	if (arcmsr_hba_wait_msgint_ready(acb)) {
 		printk(KERN_NOTICE
 			"arcmsr%d: wait 'abort all outstanding command' timeout \n"
 			, acb->host->host_no);
+		return 0xff;
+	}
+	return 0x00;
 }
 
-static void arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
+static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
 {
 	struct MessageUnit_B *reg = acb->pmuB;
 
 	writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell_reg);
-	if (arcmsr_hbb_wait_msgint_ready(acb))
+	if (arcmsr_hbb_wait_msgint_ready(acb)) {
 		printk(KERN_NOTICE
 			"arcmsr%d: wait 'abort all outstanding command' timeout \n"
 			, acb->host->host_no);
+		return 0xff;
+	}
+	return 0x00;
 }
 
-static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
+static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
 {
+	uint8_t rtnval = 0;
 	switch (acb->adapter_type) {
 	case ACB_ADAPTER_TYPE_A: {
-		arcmsr_abort_hba_allcmd(acb);
+		rtnval = arcmsr_abort_hba_allcmd(acb);
 		}
 		break;
 
 	case ACB_ADAPTER_TYPE_B: {
-		arcmsr_abort_hbb_allcmd(acb);
+		rtnval = arcmsr_abort_hbb_allcmd(acb);
 		}
 	}
+	return rtnval;
 }
 
 static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
@@ -649,8 +737,7 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
 
 	case ACB_ADAPTER_TYPE_A : {
 		struct MessageUnit_A __iomem *reg = acb->pmuA;
-		orig_mask = readl(&reg->outbound_intmask)|\
-				ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE;
+		orig_mask = readl(&reg->outbound_intmask);
 		writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \
 						&reg->outbound_intmask);
 		}
@@ -658,8 +745,7 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
 
 	case ACB_ADAPTER_TYPE_B : {
 		struct MessageUnit_B *reg = acb->pmuB;
-		orig_mask = readl(reg->iop2drv_doorbell_mask_reg) & \
-					(~ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
+		orig_mask = readl(reg->iop2drv_doorbell_mask_reg);
 		writel(0, reg->iop2drv_doorbell_mask_reg);
 		}
 		break;
@@ -795,12 +881,13 @@ static void arcmsr_remove(struct pci_dev *pdev)
 	struct AdapterControlBlock *acb =
 		(struct AdapterControlBlock *) host->hostdata;
 	int poll_count = 0;
-
 	arcmsr_free_sysfs_attr(acb);
 	scsi_remove_host(host);
+	flush_scheduled_work();
+	del_timer_sync(&acb->eternal_timer);
+	arcmsr_disable_outbound_ints(acb);
 	arcmsr_stop_adapter_bgrb(acb);
 	arcmsr_flush_adapter_cache(acb);
-	arcmsr_disable_outbound_ints(acb);
 	acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
 	acb->acb_flags &= ~ACB_F_IOP_INITED;
 
@@ -841,7 +928,9 @@ static void arcmsr_shutdown(struct pci_dev *pdev)
 	struct Scsi_Host *host = pci_get_drvdata(pdev);
 	struct AdapterControlBlock *acb =
 		(struct AdapterControlBlock *)host->hostdata;
-
+	del_timer_sync(&acb->eternal_timer);
+	arcmsr_disable_outbound_ints(acb);
+	flush_scheduled_work();
 	arcmsr_stop_adapter_bgrb(acb);
 	arcmsr_flush_adapter_cache(acb);
 }
@@ -861,7 +950,7 @@ static void arcmsr_module_exit(void)
 module_init(arcmsr_module_init);
 module_exit(arcmsr_module_exit);
 
-static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \
+static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
 						u32 intmask_org)
 {
 	u32 mask;
@@ -871,7 +960,8 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \
 	case ACB_ADAPTER_TYPE_A : {
 		struct MessageUnit_A __iomem *reg = acb->pmuA;
 		mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
-			     ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE);
+			     ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|
+			     ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE);
 		writel(mask, &reg->outbound_intmask);
 		acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
 		}
@@ -879,8 +969,10 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \
 
 	case ACB_ADAPTER_TYPE_B : {
 		struct MessageUnit_B *reg = acb->pmuB;
-		mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | \
-			ARCMSR_IOP2DRV_DATA_READ_OK | ARCMSR_IOP2DRV_CDB_DONE);
+		mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK |
+			ARCMSR_IOP2DRV_DATA_READ_OK |
+			ARCMSR_IOP2DRV_CDB_DONE |
+			ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
 		writel(mask, reg->iop2drv_doorbell_mask_reg);
 		acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
 		}
@@ -1048,8 +1140,8 @@ static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
 	}
 	case ACB_ADAPTER_TYPE_B: {
 		struct MessageUnit_B *reg = acb->pmuB;
-		iounmap(reg->drv2iop_doorbell_reg - ARCMSR_DRV2IOP_DOORBELL);
-		iounmap(reg->ioctl_wbuffer_reg - ARCMSR_IOCTL_WBUFFER);
+		iounmap((u8 *)reg->drv2iop_doorbell_reg - ARCMSR_DRV2IOP_DOORBELL);
+		iounmap((u8 *)reg->ioctl_wbuffer_reg - ARCMSR_IOCTL_WBUFFER);
 		dma_free_coherent(&acb->pdev->dev,
 		(ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 +
 		sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle);
@@ -1249,13 +1341,36 @@ static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
 		reg->doneq_index = index;
 	}
 }
+/*
+**********************************************************************************
+** Handle a message interrupt
+**
+** The only message interrupt we expect is in response to a query for the current adapter config.
+** We want this in order to compare the drivemap so that we can detect newly-attached drives.
+**********************************************************************************
+*/
+static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb)
+{
+	struct MessageUnit_A *reg  = acb->pmuA;
 
+	/*clear interrupt and message state*/
+	writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, &reg->outbound_intstatus);
+	schedule_work(&acb->arcmsr_do_message_isr_bh);
+}
+static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb)
+{
+	struct MessageUnit_B *reg  = acb->pmuB;
+
+	/*clear interrupt and message state*/
+	writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
+	schedule_work(&acb->arcmsr_do_message_isr_bh);
+}
 static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
 {
 	uint32_t outbound_intstatus;
 	struct MessageUnit_A __iomem *reg = acb->pmuA;
 
-	outbound_intstatus = readl(&reg->outbound_intstatus) & \
+	outbound_intstatus = readl(&reg->outbound_intstatus) &
 							acb->outbound_int_enable;
 	if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT))	{
 		return 1;
@@ -1267,6 +1382,10 @@ static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
 	if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
 		arcmsr_hba_postqueue_isr(acb);
 	}
+	if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) 	{
+		/* messenger of "driver to iop commands" */
+		arcmsr_hba_message_isr(acb);
+	}
 	return 0;
 }
 
@@ -1275,13 +1394,14 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
 	uint32_t outbound_doorbell;
 	struct MessageUnit_B *reg = acb->pmuB;
 
-	outbound_doorbell = readl(reg->iop2drv_doorbell_reg) & \
+	outbound_doorbell = readl(reg->iop2drv_doorbell_reg) &
 							acb->outbound_int_enable;
 	if (!outbound_doorbell)
 		return 1;
 
 	writel(~outbound_doorbell, reg->iop2drv_doorbell_reg);
-	/*in case the last action of doorbell interrupt clearance is cached, this action can push HW to write down the clear bit*/
+	/*in case the last action of doorbell interrupt clearance is cached,
+	this action can push HW to write down the clear bit*/
 	readl(reg->iop2drv_doorbell_reg);
 	writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg);
 	if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) 	{
@@ -1293,6 +1413,10 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
 	if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) {
 		arcmsr_hbb_postqueue_isr(acb);
 	}
+	if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
+		/* messenger of "driver to iop commands" */
+		arcmsr_hbb_message_isr(acb);
+	}
 
 	return 0;
 }
@@ -1360,7 +1484,7 @@ void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb)
 	}
 }
 
-static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
+static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
 					struct scsi_cmnd *cmd)
 {
 	struct CMD_MESSAGE_FIELD *pcmdmessagefld;
@@ -1398,6 +1522,13 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
 			retvalue = ARCMSR_MESSAGE_FAIL;
 			goto message_out;
 		}
+
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
+
 		ptmpQbuffer = ver_addr;
 		while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
 			&& (allxfer_len < 1031)) {
@@ -1444,6 +1575,12 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
 			retvalue = ARCMSR_MESSAGE_FAIL;
 			goto message_out;
 		}
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
+
 		ptmpuserbuffer = ver_addr;
 		user_len = pcmdmessagefld->cmdmessage.Length;
 		memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len);
@@ -1496,6 +1633,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
 
 	case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
 		uint8_t *pQbuffer = acb->rqbuffer;
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
 
 		if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
 			acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
@@ -1511,6 +1653,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
 
 	case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
 		uint8_t *pQbuffer = acb->wqbuffer;
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
 
 		if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
 			acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
@@ -1529,6 +1676,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
 
 	case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
 		uint8_t *pQbuffer;
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
 
 		if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
 			acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
@@ -1551,13 +1703,22 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
 		break;
 
 	case ARCMSR_MESSAGE_RETURN_CODE_3F: {
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
 		pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F;
 		}
 		break;
 
 	case ARCMSR_MESSAGE_SAY_HELLO: {
 		int8_t *hello_string = "Hello! I am ARCMSR";
-
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
 		memcpy(pcmdmessagefld->messagedatabuffer, hello_string
 			, (int16_t)strlen(hello_string));
 		pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
@@ -1565,10 +1726,20 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
 		break;
 
 	case ARCMSR_MESSAGE_SAY_GOODBYE:
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
 		arcmsr_iop_parking(acb);
 		break;
 
 	case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
+		if (!acb->fw_state) {
+			pcmdmessagefld->cmdmessage.ReturnCode =
+			ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+			goto message_out;
+		}
 		arcmsr_flush_adapter_cache(acb);
 		break;
 
@@ -1651,16 +1822,57 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
 	struct CommandControlBlock *ccb;
 	int target = cmd->device->id;
 	int lun = cmd->device->lun;
-
+	uint8_t scsicmd = cmd->cmnd[0];
 	cmd->scsi_done = done;
 	cmd->host_scribble = NULL;
 	cmd->result = 0;
+
+	if ((scsicmd == SYNCHRONIZE_CACHE) || (scsicmd == SEND_DIAGNOSTIC)) {
+		if (acb->devstate[target][lun] == ARECA_RAID_GONE) {
+			cmd->result = (DID_NO_CONNECT << 16);
+		}
+		cmd->scsi_done(cmd);
+		return 0;
+	}
+
 	if (acb->acb_flags & ACB_F_BUS_RESET) {
-		printk(KERN_NOTICE "arcmsr%d: bus reset"
-			" and return busy \n"
-			, acb->host->host_no);
+		switch (acb->adapter_type) {
+			case ACB_ADAPTER_TYPE_A: {
+				struct MessageUnit_A __iomem *reg = acb->pmuA;
+				uint32_t intmask_org, outbound_doorbell;
+
+				if ((readl(&reg->outbound_msgaddr1) &
+					ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
+					printk(KERN_NOTICE "arcmsr%d: bus reset and return busy\n",
+						acb->host->host_no);
 		return SCSI_MLQUEUE_HOST_BUSY;
 	}
+
+				acb->acb_flags &= ~ACB_F_FIRMWARE_TRAP;
+				printk(KERN_NOTICE "arcmsr%d: hardware bus reset and reset ok\n",
+					acb->host->host_no);
+				/* disable all outbound interrupt */
+				intmask_org = arcmsr_disable_outbound_ints(acb);
+				arcmsr_get_firmware_spec(acb, 1);
+				/*start background rebuild*/
+				arcmsr_start_adapter_bgrb(acb);
+				/* clear Qbuffer if door bell ringed */
+				outbound_doorbell = readl(&reg->outbound_doorbell);
+				/*clear interrupt */
+				writel(outbound_doorbell, &reg->outbound_doorbell);
+				writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+					&reg->inbound_doorbell);
+				/* enable outbound Post Queue,outbound doorbell Interrupt */
+				arcmsr_enable_outbound_ints(acb, intmask_org);
+				acb->acb_flags |= ACB_F_IOP_INITED;
+				acb->acb_flags &= ~ACB_F_BUS_RESET;
+			}
+			break;
+			case ACB_ADAPTER_TYPE_B: {
+			}
+		}
+	}
+
 	if (target == 16) {
 		/* virtual device for iop message transfer */
 		arcmsr_handle_virtual_command(acb, cmd);
@@ -1699,21 +1911,25 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
 	return 0;
 }
 
-static void arcmsr_get_hba_config(struct AdapterControlBlock *acb)
+static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode)
 {
 	struct MessageUnit_A __iomem *reg = acb->pmuA;
 	char *acb_firm_model = acb->firm_model;
 	char *acb_firm_version = acb->firm_version;
+	char *acb_device_map = acb->device_map;
 	char __iomem *iop_firm_model = (char __iomem *)(&reg->message_rwbuffer[15]);
 	char __iomem *iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]);
+	char __iomem *iop_device_map = (char __iomem *) (&reg->message_rwbuffer[21]);
 	int count;
 
 	writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
 	if (arcmsr_hba_wait_msgint_ready(acb)) {
 		printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
 			miscellaneous data' timeout \n", acb->host->host_no);
+		return NULL;
 	}
 
+	if (mode == 1) {
 	count = 8;
 	while (count) {
 		*acb_firm_model = readb(iop_firm_model);
@@ -1730,34 +1946,48 @@ static void arcmsr_get_hba_config(struct AdapterControlBlock *acb)
 		count--;
 	}
 
+		count = 16;
+		while (count) {
+			*acb_device_map = readb(iop_device_map);
+			acb_device_map++;
+			iop_device_map++;
+			count--;
+		}
+
 	printk(KERN_INFO 	"ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n"
 		, acb->host->host_no
 		, acb->firm_version);
-
+		acb->signature = readl(&reg->message_rwbuffer[0]);
 	acb->firm_request_len = readl(&reg->message_rwbuffer[1]);
 	acb->firm_numbers_queue = readl(&reg->message_rwbuffer[2]);
 	acb->firm_sdram_size = readl(&reg->message_rwbuffer[3]);
 	acb->firm_hd_channels = readl(&reg->message_rwbuffer[4]);
 }
-
-static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
+	return reg->message_rwbuffer;
+}
+static void __iomem *arcmsr_get_hbb_config(struct AdapterControlBlock *acb, int mode)
 {
 	struct MessageUnit_B *reg = acb->pmuB;
 	uint32_t __iomem *lrwbuffer = reg->msgcode_rwbuffer_reg;
 	char *acb_firm_model = acb->firm_model;
 	char *acb_firm_version = acb->firm_version;
+	char *acb_device_map = acb->device_map;
 	char __iomem *iop_firm_model = (char __iomem *)(&lrwbuffer[15]);
 	/*firm_model,15,60-67*/
 	char __iomem *iop_firm_version = (char __iomem *)(&lrwbuffer[17]);
 	/*firm_version,17,68-83*/
+	char __iomem *iop_device_map = (char __iomem *) (&lrwbuffer[21]);
+	/*firm_version,21,84-99*/
 	int count;
 
 	writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg);
 	if (arcmsr_hbb_wait_msgint_ready(acb)) {
 		printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
 			miscellaneous data' timeout \n", acb->host->host_no);
+		return NULL;
 	}
 
+	if (mode == 1) {
 	count = 8;
 	while (count)
 	{
@@ -1776,11 +2006,20 @@ static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
 		count--;
 	}
 
+		count = 16;
+		while (count) {
+			*acb_device_map = readb(iop_device_map);
+			acb_device_map++;
+			iop_device_map++;
+			count--;
+		}
+
 	printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n",
 			acb->host->host_no,
 			acb->firm_version);
 
-	lrwbuffer++;
+		acb->signature = readl(lrwbuffer++);
+		/*firm_signature,1,00-03*/
 	acb->firm_request_len = readl(lrwbuffer++);
 	/*firm_request_len,1,04-07*/
 	acb->firm_numbers_queue = readl(lrwbuffer++);
@@ -1790,20 +2029,23 @@ static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
 	acb->firm_hd_channels = readl(lrwbuffer);
 	/*firm_ide_channels,4,16-19*/
 }
-
-static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
+	return reg->msgcode_rwbuffer_reg;
+}
+static void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode)
 {
+	void *rtnval = 0;
 	switch (acb->adapter_type) {
 	case ACB_ADAPTER_TYPE_A: {
-		arcmsr_get_hba_config(acb);
+		rtnval = arcmsr_get_hba_config(acb, mode);
 		}
 		break;
 
 	case ACB_ADAPTER_TYPE_B: {
-		arcmsr_get_hbb_config(acb);
+		rtnval = arcmsr_get_hbb_config(acb, mode);
 		}
 		break;
 	}
+	return rtnval;
 }
 
 static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
@@ -2043,6 +2285,66 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
 	}
 }
 
+static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb)
+{
+	struct MessageUnit_A __iomem *reg = acb->pmuA;
+
+	if (unlikely(atomic_read(&acb->rq_map_token) == 0)) {
+		acb->fw_state = false;
+	} else {
+	/*to prevent rq_map_token from changing by other interrupt, then
+	avoid the dead-lock*/
+		acb->fw_state = true;
+		atomic_dec(&acb->rq_map_token);
+		if (!(acb->fw_state) ||
+			(acb->ante_token_value == atomic_read(&acb->rq_map_token))) {
+			atomic_set(&acb->rq_map_token, 16);
+		}
+		acb->ante_token_value = atomic_read(&acb->rq_map_token);
+		writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
+	}
+	mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000));
+	return;
+}
+
+static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
+{
+	struct MessageUnit_B __iomem *reg = acb->pmuB;
+
+	if (unlikely(atomic_read(&acb->rq_map_token) == 0)) {
+		acb->fw_state = false;
+	} else {
+	/*to prevent rq_map_token from changing by other interrupt, then
+	avoid the dead-lock*/
+		acb->fw_state = true;
+		atomic_dec(&acb->rq_map_token);
+		if (!(acb->fw_state) ||
+			(acb->ante_token_value == atomic_read(&acb->rq_map_token))) {
+			atomic_set(&acb->rq_map_token, 16);
+		}
+		acb->ante_token_value = atomic_read(&acb->rq_map_token);
+		writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg);
+	}
+	mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000));
+	return;
+}
+
+static void arcmsr_request_device_map(unsigned long pacb)
+{
+	struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
+
+	switch (acb->adapter_type) {
+		case ACB_ADAPTER_TYPE_A: {
+			arcmsr_request_hba_device_map(acb);
+		}
+		break;
+		case ACB_ADAPTER_TYPE_B: {
+			arcmsr_request_hbb_device_map(acb);
+		}
+		break;
+	}
+}
+
 static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb)
 {
 	struct MessageUnit_A __iomem *reg = acb->pmuA;
@@ -2121,6 +2423,60 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
 	return;
 }
 
+static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
+{
+	uint8_t value[64];
+	int i;
+
+	/* backup pci config data */
+	for (i = 0; i < 64; i++) {
+		pci_read_config_byte(acb->pdev, i, &value[i]);
+	}
+	/* hardware reset signal */
+	pci_write_config_byte(acb->pdev, 0x84, 0x20);
+	msleep(1000);
+	/* write back pci config data */
+	for (i = 0; i < 64; i++) {
+		pci_write_config_byte(acb->pdev, i, value[i]);
+	}
+	msleep(1000);
+	return;
+}
+/*
+****************************************************************************
+****************************************************************************
+*/
+#ifdef CONFIG_SCSI_ARCMSR_RESET
+	int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd)
+	{
+			struct Scsi_Host *shost = NULL;
+			spinlock_t *host_lock = NULL;
+			int i, isleep;
+
+			shost = cmd->device->host;
+			host_lock = shost->host_lock;
+
+			printk(KERN_NOTICE "Host %d bus reset over, sleep %d seconds (busy %d, can queue %d) ...........\n",
+					shost->host_no, sleeptime, shost->host_busy, shost->can_queue);
+			isleep = sleeptime / 10;
+			spin_unlock_irq(host_lock);
+			if (isleep > 0) {
+				for (i = 0; i < isleep; i++) {
+					msleep(10000);
+					printk(KERN_NOTICE "^%d^\n", i);
+				}
+			}
+
+			isleep = sleeptime % 10;
+			if (isleep > 0) {
+				msleep(isleep * 1000);
+				printk(KERN_NOTICE "^v^\n");
+			}
+			spin_lock_irq(host_lock);
+			printk(KERN_NOTICE "***** wake up *****\n");
+			return 0;
+	}
+#endif
 static void arcmsr_iop_init(struct AdapterControlBlock *acb)
 {
 	uint32_t intmask_org;
@@ -2129,7 +2485,7 @@ static void arcmsr_iop_init(struct AdapterControlBlock *acb)
        intmask_org = arcmsr_disable_outbound_ints(acb);
 	arcmsr_wait_firmware_ready(acb);
 	arcmsr_iop_confirm(acb);
-	arcmsr_get_firmware_spec(acb);
+	arcmsr_get_firmware_spec(acb, 1);
 	/*start background rebuild*/
 	arcmsr_start_adapter_bgrb(acb);
 	/* empty doorbell Qbuffer if door bell ringed */
@@ -2140,51 +2496,110 @@ static void arcmsr_iop_init(struct AdapterControlBlock *acb)
 	acb->acb_flags |= ACB_F_IOP_INITED;
 }
 
-static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
+static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
 {
 	struct CommandControlBlock *ccb;
 	uint32_t intmask_org;
+	uint8_t rtnval = 0x00;
 	int i = 0;
 
 	if (atomic_read(&acb->ccboutstandingcount) != 0) {
-		/* talk to iop 331 outstanding command aborted */
-		arcmsr_abort_allcmd(acb);
-
-		/* wait for 3 sec for all command aborted*/
-		ssleep(3);
-
 		/* disable all outbound interrupt */
 		intmask_org = arcmsr_disable_outbound_ints(acb);
+		/* talk to iop 331 outstanding command aborted */
+		rtnval = arcmsr_abort_allcmd(acb);
+		/* wait for 3 sec for all command aborted*/
+		ssleep(3);
 		/* clear all outbound posted Q */
 		arcmsr_done4abort_postqueue(acb);
 		for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
 			ccb = acb->pccb_pool[i];
 			if (ccb->startdone == ARCMSR_CCB_START) {
-				ccb->startdone = ARCMSR_CCB_ABORTED;
 				arcmsr_ccb_complete(ccb, 1);
 			}
 		}
+		atomic_set(&acb->ccboutstandingcount, 0);
 		/* enable all outbound interrupt */
 		arcmsr_enable_outbound_ints(acb, intmask_org);
+		return rtnval;
 	}
+	return rtnval;
 }
 
 static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
 {
 	struct AdapterControlBlock *acb =
 		(struct AdapterControlBlock *)cmd->device->host->hostdata;
-	int i;
+	int retry = 0;
 
-	acb->num_resets++;
+	if (acb->acb_flags & ACB_F_BUS_RESET)
+		return SUCCESS;
+
+	printk(KERN_NOTICE "arcmsr%d: bus reset ..... \n", acb->adapter_index);
 	acb->acb_flags |= ACB_F_BUS_RESET;
-	for (i = 0; i < 400; i++) {
-		if (!atomic_read(&acb->ccboutstandingcount))
-			break;
-		arcmsr_interrupt(acb);/* FIXME: need spinlock */
-		msleep(25);
+	acb->num_resets++;
+	while (atomic_read(&acb->ccboutstandingcount) != 0 && retry < 4) {
+		arcmsr_interrupt(acb);
+		retry++;
 	}
-	arcmsr_iop_reset(acb);
+
+	if (arcmsr_iop_reset(acb)) {
+		switch (acb->adapter_type) {
+		case ACB_ADAPTER_TYPE_A: {
+			printk(KERN_NOTICE "arcmsr%d: do hardware bus reset, num_resets = %d num_aborts = %d \n",
+				acb->adapter_index, acb->num_resets, acb->num_aborts);
+			arcmsr_hardware_reset(acb);
+			acb->acb_flags |= ACB_F_FIRMWARE_TRAP;
+			acb->acb_flags &= ~ACB_F_IOP_INITED;
+			#ifdef CONFIG_SCSI_ARCMSR_RESET
+			struct MessageUnit_A __iomem *reg = acb->pmuA;
+			uint32_t intmask_org, outbound_doorbell;
+			int retry_count = 0;
+sleep_again:
+			arcmsr_sleep_for_bus_reset(cmd);
+			if ((readl(&reg->outbound_msgaddr1) &
+			ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
+			printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry=%d \n",
+			acb->host->host_no, retry_count);
+			if (retry_count > retrycount) {
+				printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry aborted \n",
+				acb->host->host_no);
+			return SUCCESS;
+			}
+			retry_count++;
+			goto sleep_again;
+			}
+			acb->acb_flags &= ~ACB_F_FIRMWARE_TRAP;
+			acb->acb_flags |= ACB_F_IOP_INITED;
+			acb->acb_flags &= ~ACB_F_BUS_RESET;
+			printk(KERN_NOTICE "arcmsr%d: hardware bus reset and reset ok \n",
+				acb->host->host_no);
+			/* disable all outbound interrupt */
+			intmask_org = arcmsr_disable_outbound_ints(acb);
+			arcmsr_get_firmware_spec(acb, 1);
+			/*start	background rebuild*/
+			arcmsr_start_adapter_bgrb(acb);
+			/* clear Qbuffer if door bell ringed */
+			outbound_doorbell = readl(&reg->outbound_doorbell);
+			writel(outbound_doorbell, &reg->outbound_doorbell); /*clear interrupt */
+			writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, &reg->inbound_doorbell);
+			/* enable outbound Post Queue,outbound doorbell Interrupt */
+			arcmsr_enable_outbound_ints(acb, intmask_org);
+			atomic_set(&acb->rq_map_token, 16);
+			init_timer(&acb->eternal_timer);
+			acb->eternal_timer.expires = jiffies + msecs_to_jiffies(20*HZ);
+			acb->eternal_timer.data = (unsigned long) acb;
+			acb->eternal_timer.function = &arcmsr_request_device_map;
+			add_timer(&acb->eternal_timer);
+			#endif
+		}
+			break;
+		case ACB_ADAPTER_TYPE_B: {
+	}
+		}
+	} else {
 	acb->acb_flags &= ~ACB_F_BUS_RESET;
+	}
 	return SUCCESS;
 }
 
@@ -2277,98 +2692,3 @@ static const char *arcmsr_info(struct Scsi_Host *host)
 			ARCMSR_DRIVER_VERSION);
 	return buf;
 }
-#ifdef CONFIG_SCSI_ARCMSR_AER
-static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev)
-{
-	struct Scsi_Host *host = pci_get_drvdata(pdev);
-	struct AdapterControlBlock *acb =
-		(struct AdapterControlBlock *) host->hostdata;
-	uint32_t intmask_org;
-	int i, j;
-
-	if (pci_enable_device(pdev)) {
-		return PCI_ERS_RESULT_DISCONNECT;
-	}
-	pci_set_master(pdev);
-	intmask_org = arcmsr_disable_outbound_ints(acb);
-	acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
-			   ACB_F_MESSAGE_RQBUFFER_CLEARED |
-			   ACB_F_MESSAGE_WQBUFFER_READED);
-	acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
-	for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
-		for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
-			acb->devstate[i][j] = ARECA_RAID_GONE;
-
-	arcmsr_wait_firmware_ready(acb);
-	arcmsr_iop_confirm(acb);
-       /* disable all outbound interrupt */
-	arcmsr_get_firmware_spec(acb);
-	/*start background rebuild*/
-	arcmsr_start_adapter_bgrb(acb);
-	/* empty doorbell Qbuffer if door bell ringed */
-	arcmsr_clear_doorbell_queue_buffer(acb);
-	arcmsr_enable_eoi_mode(acb);
-	/* enable outbound Post Queue,outbound doorbell Interrupt */
-	arcmsr_enable_outbound_ints(acb, intmask_org);
-	acb->acb_flags |= ACB_F_IOP_INITED;
-
-	pci_enable_pcie_error_reporting(pdev);
-	return PCI_ERS_RESULT_RECOVERED;
-}
-
-static void arcmsr_pci_ers_need_reset_forepart(struct pci_dev *pdev)
-{
-	struct Scsi_Host *host = pci_get_drvdata(pdev);
-	struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata;
-	struct CommandControlBlock *ccb;
-	uint32_t intmask_org;
-	int i = 0;
-
-	if (atomic_read(&acb->ccboutstandingcount) != 0) {
-		/* talk to iop 331 outstanding command aborted */
-		arcmsr_abort_allcmd(acb);
-		/* wait for 3 sec for all command aborted*/
-		ssleep(3);
-		/* disable all outbound interrupt */
-		intmask_org = arcmsr_disable_outbound_ints(acb);
-		/* clear all outbound posted Q */
-		arcmsr_done4abort_postqueue(acb);
-		for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
-			ccb = acb->pccb_pool[i];
-			if (ccb->startdone == ARCMSR_CCB_START) {
-				ccb->startdone = ARCMSR_CCB_ABORTED;
-				arcmsr_ccb_complete(ccb, 1);
-			}
-		}
-		/* enable all outbound interrupt */
-		arcmsr_enable_outbound_ints(acb, intmask_org);
-	}
-	pci_disable_device(pdev);
-}
-
-static void arcmsr_pci_ers_disconnect_forepart(struct pci_dev *pdev)
-{
-			struct Scsi_Host *host = pci_get_drvdata(pdev);
-			struct AdapterControlBlock *acb	= \
-				(struct AdapterControlBlock *)host->hostdata;
-
-			arcmsr_stop_adapter_bgrb(acb);
-			arcmsr_flush_adapter_cache(acb);
-}
-
-static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
-						pci_channel_state_t state)
-{
-	switch (state) {
-	case pci_channel_io_frozen:
-			arcmsr_pci_ers_need_reset_forepart(pdev);
-			return PCI_ERS_RESULT_NEED_RESET;
-	case pci_channel_io_perm_failure:
-			arcmsr_pci_ers_disconnect_forepart(pdev);
-			return PCI_ERS_RESULT_DISCONNECT;
-			break;
-	default:
-			return PCI_ERS_RESULT_NEED_RESET;
-	  }
-}
-#endif

From 5487ab4a5a71e955fef7094a0624df0542da91ef Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Tue, 25 May 2010 16:40:47 +0800
Subject: [PATCH 3116/3638] SFI: add support for v0.81 spec

There are 2 major changes from v0.81 to v0.7:
1. Consolidating the SPIB/I2CB tables into a new DEVS table,
   which is more expandable and can support other bus types
   than spi/i2c.
2. Creating a new GPIO table, which list all the GPIO pins
   used in the platform.

However, to avoid breaking current platforms who use SFI v0.7
version firmware, the definitions for SPIB/I2CB will still
be kept for a while

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/sfi/sfi_core.c |  2 +-
 include/linux/sfi.h    | 24 +++++++++++++++++++++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/drivers/sfi/sfi_core.c b/drivers/sfi/sfi_core.c
index b204a092913..aba6a461365 100644
--- a/drivers/sfi/sfi_core.c
+++ b/drivers/sfi/sfi_core.c
@@ -390,7 +390,7 @@ void __init sfi_init(void)
 	if (sfi_disabled)
 		return;
 
-	pr_info("Simple Firmware Interface v0.7 http://simplefirmware.org\n");
+	pr_info("Simple Firmware Interface v0.81 http://simplefirmware.org\n");
 
 	if (sfi_find_syst() || sfi_parse_syst() || sfi_platform_init())
 		disable_sfi();
diff --git a/include/linux/sfi.h b/include/linux/sfi.h
index 9a6f7607174..0299b4ce63d 100644
--- a/include/linux/sfi.h
+++ b/include/linux/sfi.h
@@ -73,6 +73,8 @@
 #define SFI_SIG_SPIB		"SPIB"
 #define SFI_SIG_I2CB		"I2CB"
 #define SFI_SIG_GPEM		"GPEM"
+#define SFI_SIG_DEVS		"DEVS"
+#define SFI_SIG_GPIO		"GPIO"
 
 #define SFI_SIGNATURE_SIZE	4
 #define SFI_OEM_ID_SIZE		6
@@ -145,6 +147,27 @@ struct sfi_rtc_table_entry {
 	u32	irq;
 } __packed;
 
+struct sfi_device_table_entry {
+	u8	type;		/* bus type, I2C, SPI or ...*/
+#define SFI_DEV_TYPE_SPI	0
+#define SFI_DEV_TYPE_I2C	1
+#define SFI_DEV_TYPE_UART	2
+#define SFI_DEV_TYPE_HSI	3
+#define SFI_DEV_TYPE_IPC	4
+
+	u8	host_num;	/* attached to host 0, 1...*/
+	u16	addr;
+	u8	irq;
+	u32	max_freq;
+	char	name[16];
+} __packed;
+
+struct sfi_gpio_table_entry {
+	char	controller_name[16];
+	u16	pin_no;
+	char	pin_name[16];
+} __packed;
+
 struct sfi_spi_table_entry {
 	u16	host_num;	/* attached to host 0, 1...*/
 	u16	cs;		/* chip select */
@@ -166,7 +189,6 @@ struct sfi_gpe_table_entry {
 	u16	phys_id;	/* physical GPE id */
 } __packed;
 
-
 typedef int (*sfi_table_handler) (struct sfi_table_header *table);
 
 #ifdef CONFIG_SFI

From b3230c8b44da5838cf396942d5c1ab19f8e8f720 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 21 May 2010 11:55:21 -0400
Subject: [PATCH 3117/3638] ring-buffer: Reset "real_end" when page is filled

The code to store the "lost events" requires knowing the real end
of the page. Since the 'commit' includes the padding at the end of
a page a "real_end" variable was used to keep track of the end not
including the padding.

If events were lost, the reader can place the count of events in
the padded area if there is enough room.

The bug this patch fixes is that when we fill the page we do not
reset the real_end variable, and if the writer had wrapped a few
times, the real_end would be incorrect.

This patch simply resets the real_end if the page was filled.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/ring_buffer.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 7f6059c5aa9..b0702ff7821 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1768,6 +1768,14 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
 	 * must fill the old tail_page with padding.
 	 */
 	if (tail >= BUF_PAGE_SIZE) {
+		/*
+		 * If the page was filled, then we still need
+		 * to update the real_end. Reset it to zero
+		 * and the reader will ignore it.
+		 */
+		if (tail == BUF_PAGE_SIZE)
+			tail_page->real_end = 0;
+
 		local_sub(length, &tail_page->write);
 		return;
 	}

From 2711ca237a084286ea1c2dcf82ab2aadab23a00d Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 21 May 2010 13:32:26 -0400
Subject: [PATCH 3118/3638] ring-buffer: Move zeroing out excess in page to
 ring buffer code

Currently the trace splice code zeros out the excess bytes in the page before
sending it off to userspace.

This is to make sure userspace is not getting anything it should not be
when reading the pages, because the excess data was never initialized
to zero before writing (for perfomance reasons).

But the splice code has no business in doing this work, it should be
done by the ring buffer. With the latest changes for recording lost
events, the splice code gets it wrong anyway.

Move the zeroing out of excess bytes into the ring buffer code.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/ring_buffer.c | 11 +++++++++--
 kernel/trace/trace.c       |  6 ------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index b0702ff7821..1da7b6ea8b8 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -3902,12 +3902,12 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
 	ret = read;
 
 	cpu_buffer->lost_events = 0;
+
+	commit = local_read(&bpage->commit);
 	/*
 	 * Set a flag in the commit field if we lost events
 	 */
 	if (missed_events) {
-		commit = local_read(&bpage->commit);
-
 		/* If there is room at the end of the page to save the
 		 * missed events, then record it there.
 		 */
@@ -3915,10 +3915,17 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
 			memcpy(&bpage->data[commit], &missed_events,
 			       sizeof(missed_events));
 			local_add(RB_MISSED_STORED, &bpage->commit);
+			commit += sizeof(missed_events);
 		}
 		local_add(RB_MISSED_EVENTS, &bpage->commit);
 	}
 
+	/*
+	 * This page may be off to user land. Zero it out here.
+	 */
+	if (commit < BUF_PAGE_SIZE)
+		memset(&bpage->data[commit], 0, BUF_PAGE_SIZE - commit);
+
  out_unlock:
 	spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
 
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index ba0ec81158b..95d0b1a28f9 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3661,7 +3661,6 @@ tracing_buffers_read(struct file *filp, char __user *ubuf,
 		     size_t count, loff_t *ppos)
 {
 	struct ftrace_buffer_info *info = filp->private_data;
-	unsigned int pos;
 	ssize_t ret;
 	size_t size;
 
@@ -3688,11 +3687,6 @@ tracing_buffers_read(struct file *filp, char __user *ubuf,
 	if (ret < 0)
 		return 0;
 
-	pos = ring_buffer_page_len(info->spare);
-
-	if (pos < PAGE_SIZE)
-		memset(info->spare + pos, 0, PAGE_SIZE - pos);
-
 read:
 	size = PAGE_SIZE - info->read;
 	if (size > count)

From 8a52da632ceb9d8b776494563df579e87b7b586b Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 15 May 2010 11:46:12 +0200
Subject: [PATCH 3119/3638] [SCSI] aacraid: Eliminate use after free

The debugging code using the freed structure is moved before the kfree.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@free@
expression E;
position p;
@@
kfree@p(E)

@@
expression free.E, subE<=free.E, E1;
position free.p;
@@

  kfree@p(E)
  ...
(
  subE = E1
|
* E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/aacraid/commctrl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 9c0c9117853..1a5bf572475 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -655,9 +655,9 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 				/* Does this really need to be GFP_DMA? */
 				p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
 				if(!p) {
-					kfree (usg);
-					dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
+					dprintk((KERN_DEBUG "aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
 					  usg->sg[i].count,i,usg->count));
+					kfree(usg);
 					rcode = -ENOMEM;
 					goto cleanup;
 				}

From f9e8894ae5157796dd69249c56062042d02a431d Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 18 Mar 2010 15:39:30 -0400
Subject: [PATCH 3120/3638] [SCSI] fix race in scsi_target_reap

This patch (as1357) fixes a race in SCSI target allocation and
release.  Putting a target in the STARGET_DEL state isn't protected by
the host lock, so an old target structure could be reused by a new
device even though it's about to be deleted.  The cure is to change
the state while still holding the host lock.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
 drivers/scsi/scsi_scan.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index c992ecf4e37..a77468cd5a3 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -492,19 +492,20 @@ void scsi_target_reap(struct scsi_target *starget)
 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
 	unsigned long flags;
 	enum scsi_target_state state;
-	int empty;
+	int empty = 0;
 
 	spin_lock_irqsave(shost->host_lock, flags);
 	state = starget->state;
-	empty = --starget->reap_ref == 0 &&
-		list_empty(&starget->devices) ? 1 : 0;
+	if (--starget->reap_ref == 0 && list_empty(&starget->devices)) {
+		empty = 1;
+		starget->state = STARGET_DEL;
+	}
 	spin_unlock_irqrestore(shost->host_lock, flags);
 
 	if (!empty)
 		return;
 
 	BUG_ON(state == STARGET_DEL);
-	starget->state = STARGET_DEL;
 	if (state == STARGET_CREATED)
 		scsi_target_destroy(starget);
 	else

From b17e0969dc184c66ed8934e130344621829484a3 Mon Sep 17 00:00:00 2001
From: Chien Tung <chien.tin.tung@intel.com>
Date: Tue, 25 May 2010 10:13:09 -0500
Subject: [PATCH 3121/3638] RDMA/nes: Fix incorrect unlock in
 nes_process_mac_intr()

Commit ce6e74f2 ("RDMA/nes: Make nesadapter->phy_lock usage
consistent") introduced a problem where phy_lock was only unlocked
within an if statement and so nes_process_mac_intr() could return with
phy_lock still held.  Fix this.

This was discovered because of the sparse warning:

    drivers/infiniband/hw/nes/nes_hw.c:2643:9: warning: context imbalance in 'nes_process_mac_intr' - different lock contexts for basic block

Reported-by: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/nes/nes_hw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index bb9c77504fe..57874a16508 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -2584,7 +2584,6 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
 				break;
 			}
 		}
-		spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
 
 		if (phy_data & 0x0004) {
 			if (wide_ppm_offset &&
@@ -2639,6 +2638,8 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
 		}
 	}
 
+	spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
+
 	nesadapter->mac_sw_state[mac_number] = NES_MAC_SW_IDLE;
 }
 

From 57c7ffc9414d79c8ec25800bbdbf8f801b2f148a Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Thu, 20 May 2010 14:15:04 +0200
Subject: [PATCH 3122/3638] ALSA: usb/caiaq: fix Traktor Kontrol X1 ABS_HAT2X
 axis

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/caiaq/input.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
index 8bbfbfd4c65..dcb620796d9 100644
--- a/sound/usb/caiaq/input.c
+++ b/sound/usb/caiaq/input.c
@@ -171,7 +171,7 @@ static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *dev,
 		input_report_abs(input_dev, ABS_HAT0Y, (buf[4] << 8)  | buf[5]);
 		input_report_abs(input_dev, ABS_HAT1X, (buf[12] << 8) | buf[13]);
 		input_report_abs(input_dev, ABS_HAT1Y, (buf[2] << 8)  | buf[3]);
-		input_report_abs(input_dev, ABS_HAT2X, (buf[15] << 8) | buf[15]);
+		input_report_abs(input_dev, ABS_HAT2X, (buf[14] << 8) | buf[15]);
 		input_report_abs(input_dev, ABS_HAT2Y, (buf[0] << 8)  | buf[1]);
 		input_report_abs(input_dev, ABS_HAT3X, (buf[10] << 8) | buf[11]);
 		input_report_abs(input_dev, ABS_HAT3Y, (buf[6] << 8)  | buf[7]);

From 9ef04066b3e7c51ed7edc6010ac039f18f9f3617 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Tue, 25 May 2010 09:03:40 +0200
Subject: [PATCH 3123/3638] ALSA: hda_intel: fix handling of non-completion
 stream interrupts

Check that the interrupt raised for a stream is actually a buffer
completion interrupt before handling it as one.  Otherwise, memory
errors or FIFO xruns would be interpreted as a pointer update and could
break the stream timing.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 14d895bcf3f..77e22c2a8ca 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1097,6 +1097,7 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
 	struct azx *chip = dev_id;
 	struct azx_dev *azx_dev;
 	u32 status;
+	u8 sd_status;
 	int i, ok;
 
 	spin_lock(&chip->reg_lock);
@@ -1110,8 +1111,10 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
 	for (i = 0; i < chip->num_streams; i++) {
 		azx_dev = &chip->azx_dev[i];
 		if (status & azx_dev->sd_int_sta_mask) {
+			sd_status = azx_sd_readb(azx_dev, SD_STS);
 			azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
-			if (!azx_dev->substream || !azx_dev->running)
+			if (!azx_dev->substream || !azx_dev->running ||
+			    !(sd_status & SD_INT_COMPLETE))
 				continue;
 			/* check whether this IRQ is really acceptable */
 			ok = azx_position_ok(chip, azx_dev);

From b406e6103baa3da85950f22d3d46d21a8da654c5 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Tue, 25 May 2010 09:01:46 +0200
Subject: [PATCH 3124/3638] ALSA: pcm: fix delta calculation at boundary
 wraparound

In the cleanup of the hw_ptr update functions in 2.6.33, the calculation
of the delta value was changed to use the modulo operator to protect
against a negative difference due to the pointer wrapping around at the
boundary.

However, the ptr variables are unsigned, so a negative difference would
result in the two complement's value which has no relation to the actual
difference relative to the boundary; the result is typically some value
near LONG_MAX-boundary.  Furthermore, even if the modulo operation would
be done with signed types, the result of a negative dividend could be
negative.

The invalid delta value is then caught by the following checks, but this
means that the pointer update is ignored.

To fix this, use a range check as in the other pointer calculations.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/core/pcm_lib.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 22aff180dd1..e9d98be190c 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -345,7 +345,9 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
 		new_hw_ptr = hw_base + pos;
 	}
       __delta:
-	delta = (new_hw_ptr - old_hw_ptr) % runtime->boundary;
+	delta = new_hw_ptr - old_hw_ptr;
+	if (delta < 0)
+		delta += runtime->boundary;
 	if (xrun_debug(substream, in_interrupt ?
 			XRUN_DEBUG_PERIODUPDATE : XRUN_DEBUG_HWPTRUPDATE)) {
 		char name[16];

From 4daf7a0c0b3dd3c2e2ec829ecee8608d04d67773 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Tue, 25 May 2010 09:04:49 +0200
Subject: [PATCH 3125/3638] ALSA: emu10k1: allow high-resolution mixer controls

Add a module option to allow the GPR mixer controls to have the full
resolution of the hardware, i.e., 0...2^31-1 instead of 0...100.

Because of bugs in userspace tools like alsactl and alsamixer, this is
not yet enabled by default.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/emu10k1/emufx.c | 36 ++++++++++++++++++++++++++++--------
 1 file changed, 28 insertions(+), 8 deletions(-)

diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 4b302d86f5f..7a9401462c1 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -35,6 +35,7 @@
 #include <linux/vmalloc.h>
 #include <linux/init.h>
 #include <linux/mutex.h>
+#include <linux/moduleparam.h>
 
 #include <sound/core.h>
 #include <sound/tlv.h>
@@ -50,6 +51,10 @@
 #define EMU10K1_CENTER_LFE_FROM_FRONT
 #endif
 
+static bool high_res_gpr_volume;
+module_param(high_res_gpr_volume, bool, 0444);
+MODULE_PARM_DESC(high_res_gpr_volume, "GPR mixer controls use 31-bit range.");
+
 /*
  *  Tables
  */ 
@@ -296,6 +301,7 @@ static const u32 db_table[101] = {
 
 /* EMU10k1/EMU10k2 DSP control db gain */
 static const DECLARE_TLV_DB_SCALE(snd_emu10k1_db_scale1, -4000, 40, 1);
+static const DECLARE_TLV_DB_LINEAR(snd_emu10k1_db_linear, TLV_DB_GAIN_MUTE, 0);
 
 static const u32 onoff_table[2] = {
 	0x00000000, 0x00000001
@@ -1072,10 +1078,17 @@ snd_emu10k1_init_mono_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
 	strcpy(ctl->id.name, name);
 	ctl->vcount = ctl->count = 1;
 	ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
-	ctl->min = 0;
-	ctl->max = 100;
-	ctl->tlv = snd_emu10k1_db_scale1;
-	ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;	
+	if (high_res_gpr_volume) {
+		ctl->min = 0;
+		ctl->max = 0x7fffffff;
+		ctl->tlv = snd_emu10k1_db_linear;
+		ctl->translation = EMU10K1_GPR_TRANSLATION_NONE;
+	} else {
+		ctl->min = 0;
+		ctl->max = 100;
+		ctl->tlv = snd_emu10k1_db_scale1;
+		ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
+	}
 }
 
 static void __devinit
@@ -1087,10 +1100,17 @@ snd_emu10k1_init_stereo_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
 	ctl->vcount = ctl->count = 2;
 	ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
 	ctl->gpr[1] = gpr + 1; ctl->value[1] = defval;
-	ctl->min = 0;
-	ctl->max = 100;
-	ctl->tlv = snd_emu10k1_db_scale1;
-	ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
+	if (high_res_gpr_volume) {
+		ctl->min = 0;
+		ctl->max = 0x7fffffff;
+		ctl->tlv = snd_emu10k1_db_linear;
+		ctl->translation = EMU10K1_GPR_TRANSLATION_NONE;
+	} else {
+		ctl->min = 0;
+		ctl->max = 100;
+		ctl->tlv = snd_emu10k1_db_scale1;
+		ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
+	}
 }
 
 static void __devinit

From 8e63d7795e30b4091e303cc8c060509bd8eea742 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 25 May 2010 20:43:30 +0200
Subject: [PATCH 3126/3638] timers: Fix slack calculation really

commit f00e047ef (timers: Fix slack calculation for expired timers)
fixed the issue of slack on expired timers only partially. Linus
noticed that jiffies is volatile so it is reloaded twice, which
generates bad code.

But its worse. This can defeat the time_after() check if jiffies are
incremented between time_after() and the slack calculation.

Fix it by reading jiffies into a local variable, which prevents the
compiler from loading it twice. While at it make the > -1 check into
>= 0 which is easier to read.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/timer.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/kernel/timer.c b/kernel/timer.c
index be394af5bc2..d8decb8d46b 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -747,16 +747,19 @@ EXPORT_SYMBOL(mod_timer_pending);
 static inline
 unsigned long apply_slack(struct timer_list *timer, unsigned long expires)
 {
-	unsigned long expires_limit, mask;
+	unsigned long expires_limit, mask, now;
 	int bit;
 
 	expires_limit = expires;
 
-	if (timer->slack > -1)
+	if (timer->slack >= 0) {
 		expires_limit = expires + timer->slack;
-	else if (time_after(expires, jiffies)) /* auto slack: use 0.4% */
-		expires_limit = expires + (expires - jiffies)/256;
-
+	} else {
+		now = jiffies;
+		/* No slack, if already expired else auto slack 0.4% */
+		if (time_after(expires, now))
+			expires_limit = expires + (expires - now)/256;
+	}
 	mask = expires ^ expires_limit;
 	if (mask == 0)
 		return expires;

From 3014420b6b5d0a6483cf5e56c10df180a33e957e Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Mon, 24 May 2010 21:31:23 +0200
Subject: [PATCH 3127/3638] ieee1394: schedule for removal

All application domains that are supported by the old ieee1394 driver
stack are supported by the newer firewire driver stack too.  There is
now good and extensive experience with the newer stack from deployment
in Fedora since F7 as well as by enthusiast users of other
distributions.

The new drivers have consequently been recommended as the default ones
since 2.6.33, in order to fix some severe usability problems of FireWire
on Linux due to limitations of the old stack.  It is now high time to
announce when the obsolete drivers will be removed.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Acked-by: Jarod Wilson <jarod@redhat.com>
---
 Documentation/feature-removal-schedule.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 0a46833c1b7..88a216d1809 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -542,3 +542,13 @@ Why:	Duplicate functionality with the gspca_zc3xx driver, zc0301 only
 	sensors) wich are also supported by the gspca_zc3xx driver
 	(which supports 53 USB-ID's in total)
 Who:	Hans de Goede <hdegoede@redhat.com>
+
+----------------------------
+
+What:	old ieee1394 subsystem (CONFIG_IEEE1394)
+When:	2.6.37
+Files:	drivers/ieee1394/ except init_ohci1394_dma.c
+Why:	superseded by drivers/firewire/ (CONFIG_FIREWIRE) which offers more
+	features, better performance, and better security, all with smaller
+	and more modern code base
+Who:	Stefan Richter <stefanr@s5r6.in-berlin.de>

From 578454ff7eab61d13a26b568f99a89a2c9edc881 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Thu, 20 May 2010 18:07:20 +0200
Subject: [PATCH 3128/3638] driver core: add devname module aliases to allow
 module on-demand auto-loading

This adds:
  alias: devname:<name>
to some common kernel modules, which will allow the on-demand loading
of the kernel module when the device node is accessed.

Ideally all these modules would be compiled-in, but distros seems too
much in love with their modularization that we need to cover the common
cases with this new facility. It will allow us to remove a bunch of pretty
useless init scripts and modprobes from init scripts.

The static device node aliases will be carried in the module itself. The
program depmod will extract this information to a file in the module directory:
  $ cat /lib/modules/2.6.34-00650-g537b60d-dirty/modules.devname
  # Device nodes to trigger on-demand module loading.
  microcode cpu/microcode c10:184
  fuse fuse c10:229
  ppp_generic ppp c108:0
  tun net/tun c10:200
  dm_mod mapper/control c10:235

Udev will pick up the depmod created file on startup and create all the
static device nodes which the kernel modules specify, so that these modules
get automatically loaded when the device node is accessed:
  $ /sbin/udevd --debug
  ...
  static_dev_create_from_modules: mknod '/dev/cpu/microcode' c10:184
  static_dev_create_from_modules: mknod '/dev/fuse' c10:229
  static_dev_create_from_modules: mknod '/dev/ppp' c108:0
  static_dev_create_from_modules: mknod '/dev/net/tun' c10:200
  static_dev_create_from_modules: mknod '/dev/mapper/control' c10:235
  udev_rules_apply_static_dev_perms: chmod '/dev/net/tun' 0666
  udev_rules_apply_static_dev_perms: chmod '/dev/fuse' 0666

A few device nodes are switched to statically allocated numbers, to allow
the static nodes to work. This might also useful for systems which still run
a plain static /dev, which is completely unsafe to use with any dynamic minor
numbers.

Note:
The devname aliases must be limited to the *common* and *single*instance*
device nodes, like the misc devices, and never be used for conceptually limited
systems like the loop devices, which should rather get fixed properly and get a
control node for losetup to talk to, instead of creating a random number of
device nodes in advance, regardless if they are ever used.

This facility is to hide the mess distros are creating with too modualized
kernels, and just to hide that these modules are not compiled-in, and not to
paper-over broken concepts. Thanks! :)

Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Alasdair G Kergon <agk@redhat.com>
Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
Cc: Ian Kent <raven@themaw.net>
Signed-Off-By: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/devices.txt        | 2 ++
 arch/x86/kernel/microcode_core.c | 1 +
 drivers/net/ppp_generic.c        | 4 ++--
 drivers/net/tun.c                | 1 +
 fs/autofs4/dev-ioctl.c           | 5 ++++-
 fs/btrfs/super.c                 | 5 ++++-
 fs/fuse/dev.c                    | 1 +
 include/linux/miscdevice.h       | 2 ++
 8 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/Documentation/devices.txt b/Documentation/devices.txt
index 53d64d38234..1d83d124056 100644
--- a/Documentation/devices.txt
+++ b/Documentation/devices.txt
@@ -443,6 +443,8 @@ Your cooperation is appreciated.
 		231 = /dev/snapshot	System memory snapshot device
 		232 = /dev/kvm		Kernel-based virtual machine (hardware virtualization extensions)
 		233 = /dev/kmview	View-OS A process with a view
+		234 = /dev/btrfs-control	Btrfs control device
+		235 = /dev/autofs	Autofs control device
 		240-254			Reserved for local use
 		255			Reserved for MISC_DYNAMIC_MINOR
 
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index 2cd8c544e41..fa6551d36c1 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -260,6 +260,7 @@ static void microcode_dev_exit(void)
 }
 
 MODULE_ALIAS_MISCDEV(MICROCODE_MINOR);
+MODULE_ALIAS("devname:cpu/microcode");
 #else
 #define microcode_dev_init()	0
 #define microcode_dev_exit()	do { } while (0)
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 5441688daba..c5f8eb102bf 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -2926,5 +2926,5 @@ EXPORT_SYMBOL(ppp_output_wakeup);
 EXPORT_SYMBOL(ppp_register_compressor);
 EXPORT_SYMBOL(ppp_unregister_compressor);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_CHARDEV_MAJOR(PPP_MAJOR);
-MODULE_ALIAS("/dev/ppp");
+MODULE_ALIAS_CHARDEV(PPP_MAJOR, 0);
+MODULE_ALIAS("devname:ppp");
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 97b25533e5f..005cad68957 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1649,3 +1649,4 @@ MODULE_DESCRIPTION(DRV_DESCRIPTION);
 MODULE_AUTHOR(DRV_COPYRIGHT);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(TUN_MINOR);
+MODULE_ALIAS("devname:net/tun");
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index d29b7f6df86..d832062869f 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -736,11 +736,14 @@ static const struct file_operations _dev_ioctl_fops = {
 };
 
 static struct miscdevice _autofs_dev_ioctl_misc = {
-	.minor 		= MISC_DYNAMIC_MINOR,
+	.minor		= AUTOFS_MINOR,
 	.name  		= AUTOFS_DEVICE_NAME,
 	.fops  		= &_dev_ioctl_fops
 };
 
+MODULE_ALIAS_MISCDEV(AUTOFS_MINOR);
+MODULE_ALIAS("devname:autofs");
+
 /* Register/deregister misc character device */
 int autofs_dev_ioctl_init(void)
 {
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 1866dff0538..2909a03e523 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -832,11 +832,14 @@ static const struct file_operations btrfs_ctl_fops = {
 };
 
 static struct miscdevice btrfs_misc = {
-	.minor		= MISC_DYNAMIC_MINOR,
+	.minor		= BTRFS_MINOR,
 	.name		= "btrfs-control",
 	.fops		= &btrfs_ctl_fops
 };
 
+MODULE_ALIAS_MISCDEV(BTRFS_MINOR);
+MODULE_ALIAS("devname:btrfs-control");
+
 static int btrfs_interface_init(void)
 {
 	return misc_register(&btrfs_misc);
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index eb7e9423691..e53df5ebb2b 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -18,6 +18,7 @@
 #include <linux/slab.h>
 
 MODULE_ALIAS_MISCDEV(FUSE_MINOR);
+MODULE_ALIAS("devname:fuse");
 
 static struct kmem_cache *fuse_req_cachep;
 
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 8b5f7cc0fba..b631c46cffd 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -31,6 +31,8 @@
 #define FUSE_MINOR		229
 #define KVM_MINOR		232
 #define VHOST_NET_MINOR		233
+#define BTRFS_MINOR		234
+#define AUTOFS_MINOR		235
 #define MISC_DYNAMIC_MINOR	255
 
 struct device;

From 9ce34c8f4466608bc67630a42d04f4aaf0443d9b Mon Sep 17 00:00:00 2001
From: John Stultz <johnstul@us.ibm.com>
Date: Fri, 19 Mar 2010 12:23:57 -0400
Subject: [PATCH 3129/3638] Convert alpha to use clocksources instead of
 arch_gettimeoffset

Alpha has a tsc like rpcc counter that it uses to manage time.
This can be converted to an actual clocksource instead of utilizing
the arch_gettimeoffset method that is really only there for legacy
systems with no continuous counter.

Further cleanups could be made if alpha converted to the clockevent
model.

CC: Thomas Gleixner <tglx@linutronix.de>
CC: Richard Henderson <rth@twiddle.net>
Acked-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Tested-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
---
 arch/alpha/Kconfig       |  4 ---
 arch/alpha/kernel/time.c | 69 ++++++++++++++++++----------------------
 2 files changed, 31 insertions(+), 42 deletions(-)

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index b7193986cbf..24efdfe277f 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -51,10 +51,6 @@ config GENERIC_TIME
 	bool
 	default y
 
-config ARCH_USES_GETTIMEOFFSET
-	bool
-	default y
-
 config GENERIC_CMOS_UPDATE
         def_bool y
 
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 5465e932e56..1efbed82c0f 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -51,6 +51,7 @@
 #include <linux/mc146818rtc.h>
 #include <linux/time.h>
 #include <linux/timex.h>
+#include <linux/clocksource.h>
 
 #include "proto.h"
 #include "irq_impl.h"
@@ -332,6 +333,34 @@ rpcc_after_update_in_progress(void)
 	return rpcc();
 }
 
+#ifndef CONFIG_SMP
+/* Until and unless we figure out how to get cpu cycle counters
+   in sync and keep them there, we can't use the rpcc.  */
+static cycle_t read_rpcc(struct clocksource *cs)
+{
+	cycle_t ret = (cycle_t)rpcc();
+	return ret;
+}
+
+static struct clocksource clocksource_rpcc = {
+	.name                   = "rpcc",
+	.rating                 = 300,
+	.read                   = read_rpcc,
+	.mask                   = CLOCKSOURCE_MASK(32),
+	.flags                  = CLOCK_SOURCE_IS_CONTINUOUS
+};
+
+static inline void register_rpcc_clocksource(long cycle_freq)
+{
+	clocksource_calc_mult_shift(&clocksource_rpcc, cycle_freq, 4);
+	clocksource_register(&clocksource_rpcc);
+}
+#else /* !CONFIG_SMP */
+static inline void register_rpcc_clocksource(long cycle_freq)
+{
+}
+#endif /* !CONFIG_SMP */
+
 void __init
 time_init(void)
 {
@@ -385,6 +414,8 @@ time_init(void)
 		__you_loose();
 	}
 
+	register_rpcc_clocksource(cycle_freq);
+
 	state.last_time = cc1;
 	state.scaled_ticks_per_cycle
 		= ((unsigned long) HZ << FIX_SHIFT) / cycle_freq;
@@ -394,44 +425,6 @@ time_init(void)
 	alpha_mv.init_rtc();
 }
 
-/*
- * Use the cycle counter to estimate an displacement from the last time
- * tick.  Unfortunately the Alpha designers made only the low 32-bits of
- * the cycle counter active, so we overflow on 8.2 seconds on a 500MHz
- * part.  So we can't do the "find absolute time in terms of cycles" thing
- * that the other ports do.
- */
-u32 arch_gettimeoffset(void)
-{
-#ifdef CONFIG_SMP
-	/* Until and unless we figure out how to get cpu cycle counters
-	   in sync and keep them there, we can't use the rpcc tricks.  */
-	return 0;
-#else
-	unsigned long delta_cycles, delta_usec, partial_tick;
-
-	delta_cycles = rpcc() - state.last_time;
-	partial_tick = state.partial_tick;
-	/*
-	 * usec = cycles * ticks_per_cycle * 2**48 * 1e6 / (2**48 * ticks)
-	 *	= cycles * (s_t_p_c) * 1e6 / (2**48 * ticks)
-	 *	= cycles * (s_t_p_c) * 15625 / (2**42 * ticks)
-	 *
-	 * which, given a 600MHz cycle and a 1024Hz tick, has a
-	 * dynamic range of about 1.7e17, which is less than the
-	 * 1.8e19 in an unsigned long, so we are safe from overflow.
-	 *
-	 * Round, but with .5 up always, since .5 to even is harder
-	 * with no clear gain.
-	 */
-
-	delta_usec = (delta_cycles * state.scaled_ticks_per_cycle 
-		      + partial_tick) * 15625;
-	delta_usec = ((delta_usec / ((1UL << (FIX_SHIFT-6-1)) * HZ)) + 1) / 2;
-	return delta_usec * 1000;
-#endif
-}
-
 /*
  * In order to set the CMOS clock precisely, set_rtc_mmss has to be
  * called 500 ms after the second nowtime has started, because when

From 1cb3d8e2c8d30d2cbfe42b696d501d0a016edec1 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Thu, 29 Apr 2010 17:48:18 -0400
Subject: [PATCH 3130/3638] alpha: invoke oom-killer from page fault

As explained in commit 1c0fe6e3bd, we want to call the architecture
independent oom killer when getting an unexplained OOM from
handle_mm_fault, rather than simply killing current.

[mattst88: kill now unused 'survive' label]
Cc: linux-alpha@vger.kernel.org
Cc: Richard Henderson <rth@twiddle.net>
Cc: linux-arch@vger.kernel.org
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Nick Piggin <npiggin@suse.de>
---
 arch/alpha/mm/fault.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 00a31deaa96..fadd5f882ff 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -142,7 +142,6 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
 			goto bad_area;
 	}
 
- survive:
 	/* If for any reason at all we couldn't handle the fault,
 	   make sure we exit gracefully rather than endlessly redo
 	   the fault.  */
@@ -188,16 +187,10 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
 	/* We ran out of memory, or some other thing happened to us that
 	   made us unable to handle the page fault gracefully.  */
  out_of_memory:
-	if (is_global_init(current)) {
-		yield();
-		down_read(&mm->mmap_sem);
-		goto survive;
-	}
-	printk(KERN_ALERT "VM: killing process %s(%d)\n",
-	       current->comm, task_pid_nr(current));
 	if (!user_mode(regs))
 		goto no_context;
-	do_group_exit(SIGKILL);
+	pagefault_out_of_memory();
+	return;
 
  do_sigbus:
 	/* Send a sigbus, regardless of whether we were in kernel

From a75f5f0f0a3676216e0015b3040c785dbfe1e0da Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Wed, 28 Apr 2010 22:49:36 -0400
Subject: [PATCH 3131/3638] alpha: simplify and optimize sched_find_first_bit

Search only the first 100 bits instead of 140, saving a couple
instructions. The resulting code is about 1/3 faster (40K ticks/1000
iterations down to 30K ticks/1000 iterations).

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: linux-alpha@vger.kernel.org
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Matt Turner <mattst88@gmail.com>
---
 arch/alpha/include/asm/bitops.h | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
index 296da1d5ed5..1dce24bc455 100644
--- a/arch/alpha/include/asm/bitops.h
+++ b/arch/alpha/include/asm/bitops.h
@@ -438,22 +438,20 @@ static inline unsigned int __arch_hweight8(unsigned int w)
 
 /*
  * Every architecture must define this function. It's the fastest
- * way of searching a 140-bit bitmap where the first 100 bits are
- * unlikely to be set. It's guaranteed that at least one of the 140
- * bits is set.
+ * way of searching a 100-bit bitmap.  It's guaranteed that at least
+ * one of the 100 bits is cleared.
  */
 static inline unsigned long
-sched_find_first_bit(unsigned long b[3])
+sched_find_first_bit(const unsigned long b[2])
 {
-	unsigned long b0 = b[0], b1 = b[1], b2 = b[2];
-	unsigned long ofs;
+	unsigned long b0, b1, ofs, tmp;
 
-	ofs = (b1 ? 64 : 128);
-	b1 = (b1 ? b1 : b2);
-	ofs = (b0 ? 0 : ofs);
-	b0 = (b0 ? b0 : b1);
+	b0 = b[0];
+	b1 = b[1];
+	ofs = (b0 ? 0 : 64);
+	tmp = (b0 ? b0 : b1);
 
-	return __ffs(b0) + ofs;
+	return __ffs(tmp) + ofs;
 }
 
 #include <asm-generic/bitops/ext2-non-atomic.h>

From fe501f1e89cd460793152f500bf25d81d463515b Mon Sep 17 00:00:00 2001
From: Borislav Petkov <borislav.petkov@amd.com>
Date: Tue, 25 May 2010 15:28:58 +0000
Subject: [PATCH 3132/3638] x86, k8: Fix section mismatch for powernowk8_exit()

Fix the following warning:

"WARNING: arch/x86/kernel/built-in.o(.exit.text+0x72):
Section mismatch in reference from the function powernowk8_exit() to the variable .cpuinit.data:cpb_nb

The function __exit powernowk8_exit() references a variable
__cpuinitdata cpb_nb. This is often seen when error handling in the exit
function uses functionality in the init path. The fix is often to remove
the __cpuinitdata annotation of cpb_nb so it may be used outside an init
section."

Cc: <stable@kernel.org>
Reported-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
LKML-Reference: <20100525152858.GA24836@aftab>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 6f3dc8fbbfd..7ec2123838e 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1497,8 +1497,8 @@ static struct cpufreq_driver cpufreq_amd64_driver = {
  * simply keep the boost-disable flag in sync with the current global
  * state.
  */
-static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action,
-				void *hcpu)
+static int cpb_notify(struct notifier_block *nb, unsigned long action,
+		      void *hcpu)
 {
 	unsigned cpu = (long)hcpu;
 	u32 lo, hi;
@@ -1528,7 +1528,7 @@ static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action,
 	return NOTIFY_OK;
 }
 
-static struct notifier_block __cpuinitdata cpb_nb = {
+static struct notifier_block cpb_nb = {
 	.notifier_call		= cpb_notify,
 };
 

From 2f20ccf8190b064468cb2c7ba92e757ae37e61b1 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 19 May 2010 22:10:19 +0200
Subject: [PATCH 3133/3638] sata_mv: drop unncessary EH callback resetting

Now that BMDMA EH ops are separated out from SFF ops, mv5_ops doesn't
have to explicitly reset ->error_handler() and ->post_internal_cmd().
Drop them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/sata_mv.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index f3471bc949d..16bacd38926 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -675,8 +675,6 @@ static struct ata_port_operations mv5_ops = {
 	.freeze			= mv_eh_freeze,
 	.thaw			= mv_eh_thaw,
 	.hardreset		= mv_hardreset,
-	.error_handler		= ata_std_error_handler, /* avoid SFF EH */
-	.post_internal_cmd	= ATA_OP_NULL,
 
 	.scr_read		= mv5_scr_read,
 	.scr_write		= mv5_scr_write,

From 37f65b8bc262a5ae4c8e58be92fe3032f0aaaf04 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 19 May 2010 22:10:20 +0200
Subject: [PATCH 3134/3638] libata-sff: ata_sff_irq_clear() is BMDMA specific

ata_sff_irq_clear() is BMDMA specific.  Rename it to
ata_bmdma_irq_clear(), move it to ata_bmdma_port_ops and make
->sff_irq_clear() optional.

Note: ata_bmdma_irq_clear() is actually only needed by ata_piix and
      possibly by sata_sil.  This should be moved to respective low
      level drivers later.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-sff.c | 67 ++++++++++++++++++++++------------------
 drivers/ata/pata_bf54x.c |  2 +-
 drivers/ata/pata_scc.c   |  2 +-
 drivers/ata/sata_nv.c    |  2 +-
 drivers/ata/sata_sil.c   |  4 +--
 drivers/ata/sata_via.c   |  2 +-
 include/linux/libata.h   |  1 +
 7 files changed, 44 insertions(+), 36 deletions(-)

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 19ddf924944..55bc4880cbf 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -63,7 +63,6 @@ const struct ata_port_operations ata_sff_port_ops = {
 	.sff_tf_read		= ata_sff_tf_read,
 	.sff_exec_command	= ata_sff_exec_command,
 	.sff_data_xfer		= ata_sff_data_xfer,
-	.sff_irq_clear		= ata_sff_irq_clear,
 	.sff_drain_fifo		= ata_sff_drain_fifo,
 
 	.lost_interrupt		= ata_sff_lost_interrupt,
@@ -395,32 +394,11 @@ void ata_sff_irq_on(struct ata_port *ap)
 		ata_sff_set_devctl(ap, ap->ctl);
 	ata_wait_idle(ap);
 
-	ap->ops->sff_irq_clear(ap);
+	if (ap->ops->sff_irq_clear)
+		ap->ops->sff_irq_clear(ap);
 }
 EXPORT_SYMBOL_GPL(ata_sff_irq_on);
 
-/**
- *	ata_sff_irq_clear - Clear PCI IDE BMDMA interrupt.
- *	@ap: Port associated with this ATA transaction.
- *
- *	Clear interrupt and error flags in DMA status register.
- *
- *	May be used as the irq_clear() entry in ata_port_operations.
- *
- *	LOCKING:
- *	spin_lock_irqsave(host lock)
- */
-void ata_sff_irq_clear(struct ata_port *ap)
-{
-	void __iomem *mmio = ap->ioaddr.bmdma_addr;
-
-	if (!mmio)
-		return;
-
-	iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS);
-}
-EXPORT_SYMBOL_GPL(ata_sff_irq_clear);
-
 /**
  *	ata_sff_tf_load - send taskfile registers to host controller
  *	@ap: Port to which output is sent
@@ -1572,7 +1550,8 @@ unsigned int ata_sff_host_intr(struct ata_port *ap,
 	}
 
 	/* clear irq events */
-	ap->ops->sff_irq_clear(ap);
+	if (ap->ops->sff_irq_clear)
+		ap->ops->sff_irq_clear(ap);
 
 	ata_sff_hsm_move(ap, qc, status, 0);
 
@@ -1588,7 +1567,8 @@ idle_irq:
 #ifdef ATA_IRQ_TRAP
 	if ((ap->stats.idle_irq % 1000) == 0) {
 		ap->ops->sff_check_status(ap);
-		ap->ops->sff_irq_clear(ap);
+		if (ap->ops->sff_irq_clear)
+			ap->ops->sff_irq_clear(ap);
 		ata_port_printk(ap, KERN_WARNING, "irq trap\n");
 		return 1;
 	}
@@ -1658,7 +1638,8 @@ retry:
 
 			if (idle & (1 << i)) {
 				ap->ops->sff_check_status(ap);
-				ap->ops->sff_irq_clear(ap);
+				if (ap->ops->sff_irq_clear)
+					ap->ops->sff_irq_clear(ap);
 			} else {
 				/* clear INTRQ and check if BUSY cleared */
 				if (!(ap->ops->sff_check_status(ap) & ATA_BUSY))
@@ -1744,7 +1725,8 @@ void ata_sff_freeze(struct ata_port *ap)
 	 */
 	ap->ops->sff_check_status(ap);
 
-	ap->ops->sff_irq_clear(ap);
+	if (ap->ops->sff_irq_clear)
+		ap->ops->sff_irq_clear(ap);
 }
 EXPORT_SYMBOL_GPL(ata_sff_freeze);
 
@@ -1761,7 +1743,8 @@ void ata_sff_thaw(struct ata_port *ap)
 {
 	/* clear & re-enable interrupts */
 	ap->ops->sff_check_status(ap);
-	ap->ops->sff_irq_clear(ap);
+	if (ap->ops->sff_irq_clear)
+		ap->ops->sff_irq_clear(ap);
 	ata_sff_irq_on(ap);
 }
 EXPORT_SYMBOL_GPL(ata_sff_thaw);
@@ -2580,6 +2563,7 @@ const struct ata_port_operations ata_bmdma_port_ops = {
 	.qc_prep		= ata_bmdma_qc_prep,
 	.qc_issue		= ata_bmdma_qc_issue,
 
+	.sff_irq_clear		= ata_bmdma_irq_clear,
 	.bmdma_setup		= ata_bmdma_setup,
 	.bmdma_start		= ata_bmdma_start,
 	.bmdma_stop		= ata_bmdma_stop,
@@ -2848,7 +2832,8 @@ void ata_bmdma_error_handler(struct ata_port *ap)
 		/* if we're gonna thaw, make sure IRQ is clear */
 		if (thaw) {
 			ap->ops->sff_check_status(ap);
-			ap->ops->sff_irq_clear(ap);
+			if (ap->ops->sff_irq_clear)
+				ap->ops->sff_irq_clear(ap);
 		}
 	}
 
@@ -2881,6 +2866,28 @@ void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc)
 }
 EXPORT_SYMBOL_GPL(ata_bmdma_post_internal_cmd);
 
+/**
+ *	ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt.
+ *	@ap: Port associated with this ATA transaction.
+ *
+ *	Clear interrupt and error flags in DMA status register.
+ *
+ *	May be used as the irq_clear() entry in ata_port_operations.
+ *
+ *	LOCKING:
+ *	spin_lock_irqsave(host lock)
+ */
+void ata_bmdma_irq_clear(struct ata_port *ap)
+{
+	void __iomem *mmio = ap->ioaddr.bmdma_addr;
+
+	if (!mmio)
+		return;
+
+	iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS);
+}
+EXPORT_SYMBOL_GPL(ata_bmdma_irq_clear);
+
 /**
  *	ata_bmdma_setup - Set up PCI IDE BMDMA transaction
  *	@qc: Info associated with this ATA transaction.
diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c
index 6422cfd13d0..9cae65de750 100644
--- a/drivers/ata/pata_bf54x.c
+++ b/drivers/ata/pata_bf54x.c
@@ -1214,7 +1214,7 @@ static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf,
  *	bfin_irq_clear - Clear ATAPI interrupt.
  *	@ap: Port associated with this ATA transaction.
  *
- *	Note: Original code is ata_sff_irq_clear().
+ *	Note: Original code is ata_bmdma_irq_clear().
  */
 
 static void bfin_irq_clear(struct ata_port *ap)
diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c
index 6f6193b707c..fb318cdaffb 100644
--- a/drivers/ata/pata_scc.c
+++ b/drivers/ata/pata_scc.c
@@ -875,7 +875,7 @@ static void scc_postreset(struct ata_link *link, unsigned int *classes)
  *	scc_irq_clear - Clear PCI IDE BMDMA interrupt.
  *	@ap: Port associated with this ATA transaction.
  *
- *	Note: Original code is ata_sff_irq_clear().
+ *	Note: Original code is ata_bmdma_irq_clear().
  */
 
 static void scc_irq_clear (struct ata_port *ap)
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index baa8f0d2c86..358dde0178d 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -1100,7 +1100,7 @@ static void nv_adma_irq_clear(struct ata_port *ap)
 	u32 notifier_clears[2];
 
 	if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) {
-		ata_sff_irq_clear(ap);
+		ata_bmdma_irq_clear(ap);
 		return;
 	}
 
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 2dda312b6b9..3a4f8421971 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -503,7 +503,7 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2)
 		goto err_hsm;
 
 	/* ack bmdma irq events */
-	ata_sff_irq_clear(ap);
+	ata_bmdma_irq_clear(ap);
 
 	/* kick HSM in the ass */
 	ata_sff_hsm_move(ap, qc, status, 0);
@@ -584,7 +584,7 @@ static void sil_thaw(struct ata_port *ap)
 
 	/* clear IRQ */
 	ap->ops->sff_check_status(ap);
-	ata_sff_irq_clear(ap);
+	ata_bmdma_irq_clear(ap);
 
 	/* turn on SATA IRQ if supported */
 	if (!(ap->flags & SIL_FLAG_NO_SATA_IRQ))
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 08f65492cc8..7737dd5a434 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -308,7 +308,7 @@ static void svia_noop_freeze(struct ata_port *ap)
 	 * certain way.  Leave it alone and just clear pending IRQ.
 	 */
 	ap->ops->sff_check_status(ap);
-	ata_sff_irq_clear(ap);
+	ata_bmdma_irq_clear(ap);
 }
 
 /**
diff --git a/include/linux/libata.h b/include/linux/libata.h
index ee84e7e1203..8fd1ca8c7ef 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1630,6 +1630,7 @@ extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc);
 extern void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
 extern void ata_bmdma_error_handler(struct ata_port *ap);
 extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc);
+extern void ata_bmdma_irq_clear(struct ata_port *ap);
 extern void ata_bmdma_setup(struct ata_queued_cmd *qc);
 extern void ata_bmdma_start(struct ata_queued_cmd *qc);
 extern void ata_bmdma_stop(struct ata_queued_cmd *qc);

From c3b2889424c26f3b42962b6f39aabb4f1fd1b576 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 19 May 2010 22:10:21 +0200
Subject: [PATCH 3135/3638] libata-sff: separate out BMDMA irq handler

Separate out BMDMA irq handler from SFF irq handler.  The misnamed
host_intr() functions are renamed to ata_sff_port_intr() and
ata_bmdma_port_intr().  Common parts are factored into
__ata_sff_port_intr() and __ata_sff_interrupt() and used by sff and
bmdma interrupt routines.

All BMDMA drivers now use ata_bmdma_interrupt() or
ata_bmdma_port_intr() while all non-BMDMA SFF ones use
ata_sff_interrupt() or ata_sff_port_intr().

For now, ata_pci_sff_init_one() uses ata_bmdma_interrupt() as it's
used by both SFF and BMDMA drivers.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/ata_piix.c      |   2 +-
 drivers/ata/libata-sff.c    | 208 ++++++++++++++++++++++--------------
 drivers/ata/pata_atp867x.c  |   2 +-
 drivers/ata/pata_cs5520.c   |   2 +-
 drivers/ata/pata_hpt3x3.c   |   2 +-
 drivers/ata/pata_icside.c   |   2 +-
 drivers/ata/pata_macio.c    |   2 +-
 drivers/ata/pata_mpc52xx.c  |   2 +-
 drivers/ata/pata_ninja32.c  |   2 +-
 drivers/ata/pata_pdc2027x.c |   2 +-
 drivers/ata/pata_rdc.c      |   2 +-
 drivers/ata/pata_scc.c      |   2 +-
 drivers/ata/pata_sil680.c   |   2 +-
 drivers/ata/sata_mv.c       |   2 +-
 drivers/ata/sata_nv.c       |   4 +-
 drivers/ata/sata_qstor.c    |   2 +-
 drivers/ata/sata_sis.c      |   2 +-
 drivers/ata/sata_svw.c      |   2 +-
 drivers/ata/sata_uli.c      |   2 +-
 drivers/ata/sata_via.c      |   2 +-
 drivers/ata/sata_vsc.c      |   2 +-
 include/linux/libata.h      |   5 +-
 22 files changed, 155 insertions(+), 100 deletions(-)

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index ec52fc61876..73685df98db 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1626,7 +1626,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
 	host->flags |= ATA_HOST_PARALLEL_SCAN;
 
 	pci_set_master(pdev);
-	return ata_pci_sff_activate_host(host, ata_sff_interrupt, &piix_sht);
+	return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, &piix_sht);
 }
 
 static void piix_remove_one(struct pci_dev *pdev)
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 55bc4880cbf..bef7571a1d4 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1469,27 +1469,27 @@ bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc)
 }
 EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf);
 
-/**
- *	ata_sff_host_intr - Handle host interrupt for given (port, task)
- *	@ap: Port on which interrupt arrived (possibly...)
- *	@qc: Taskfile currently active in engine
- *
- *	Handle host interrupt for given queued command.  Currently,
- *	only DMA interrupts are handled.  All other commands are
- *	handled via polling with interrupts disabled (nIEN bit).
- *
- *	LOCKING:
- *	spin_lock_irqsave(host lock)
- *
- *	RETURNS:
- *	One if interrupt was handled, zero if not (shared irq).
- */
-unsigned int ata_sff_host_intr(struct ata_port *ap,
-				      struct ata_queued_cmd *qc)
+static unsigned int ata_sff_idle_irq(struct ata_port *ap)
 {
-	struct ata_eh_info *ehi = &ap->link.eh_info;
-	u8 status, host_stat = 0;
-	bool bmdma_stopped = false;
+	ap->stats.idle_irq++;
+
+#ifdef ATA_IRQ_TRAP
+	if ((ap->stats.idle_irq % 1000) == 0) {
+		ap->ops->sff_check_status(ap);
+		if (ap->ops->sff_irq_clear)
+			ap->ops->sff_irq_clear(ap);
+		ata_port_printk(ap, KERN_WARNING, "irq trap\n");
+		return 1;
+	}
+#endif
+	return 0;	/* irq not handled */
+}
+
+static unsigned int __ata_sff_port_intr(struct ata_port *ap,
+					struct ata_queued_cmd *qc,
+					bool hsmv_on_idle)
+{
+	u8 status;
 
 	VPRINTK("ata%u: protocol %d task_state %d\n",
 		ap->print_id, qc->tf.protocol, ap->hsm_task_state);
@@ -1506,47 +1506,24 @@ unsigned int ata_sff_host_intr(struct ata_port *ap,
 		 * need to check ata_is_atapi(qc->tf.protocol) again.
 		 */
 		if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
-			goto idle_irq;
-		break;
-	case HSM_ST_LAST:
-		if (qc->tf.protocol == ATA_PROT_DMA ||
-		    qc->tf.protocol == ATAPI_PROT_DMA) {
-			/* check status of DMA engine */
-			host_stat = ap->ops->bmdma_status(ap);
-			VPRINTK("ata%u: host_stat 0x%X\n",
-				ap->print_id, host_stat);
-
-			/* if it's not our irq... */
-			if (!(host_stat & ATA_DMA_INTR))
-				goto idle_irq;
-
-			/* before we do anything else, clear DMA-Start bit */
-			ap->ops->bmdma_stop(qc);
-			bmdma_stopped = true;
-
-			if (unlikely(host_stat & ATA_DMA_ERR)) {
-				/* error when transfering data to/from memory */
-				qc->err_mask |= AC_ERR_HOST_BUS;
-				ap->hsm_task_state = HSM_ST_ERR;
-			}
-		}
+			return ata_sff_idle_irq(ap);
 		break;
 	case HSM_ST:
+	case HSM_ST_LAST:
 		break;
 	default:
-		goto idle_irq;
+		return ata_sff_idle_irq(ap);
 	}
 
-
 	/* check main status, clearing INTRQ if needed */
 	status = ata_sff_irq_status(ap);
 	if (status & ATA_BUSY) {
-		if (bmdma_stopped) {
+		if (hsmv_on_idle) {
 			/* BMDMA engine is already stopped, we're screwed */
 			qc->err_mask |= AC_ERR_HSM;
 			ap->hsm_task_state = HSM_ST_ERR;
 		} else
-			goto idle_irq;
+			return ata_sff_idle_irq(ap);
 	}
 
 	/* clear irq events */
@@ -1555,43 +1532,30 @@ unsigned int ata_sff_host_intr(struct ata_port *ap,
 
 	ata_sff_hsm_move(ap, qc, status, 0);
 
-	if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA ||
-				       qc->tf.protocol == ATAPI_PROT_DMA))
-		ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat);
-
 	return 1;	/* irq handled */
-
-idle_irq:
-	ap->stats.idle_irq++;
-
-#ifdef ATA_IRQ_TRAP
-	if ((ap->stats.idle_irq % 1000) == 0) {
-		ap->ops->sff_check_status(ap);
-		if (ap->ops->sff_irq_clear)
-			ap->ops->sff_irq_clear(ap);
-		ata_port_printk(ap, KERN_WARNING, "irq trap\n");
-		return 1;
-	}
-#endif
-	return 0;	/* irq not handled */
 }
-EXPORT_SYMBOL_GPL(ata_sff_host_intr);
 
 /**
- *	ata_sff_interrupt - Default ATA host interrupt handler
- *	@irq: irq line (unused)
- *	@dev_instance: pointer to our ata_host information structure
+ *	ata_sff_port_intr - Handle SFF port interrupt
+ *	@ap: Port on which interrupt arrived (possibly...)
+ *	@qc: Taskfile currently active in engine
  *
- *	Default interrupt handler for PCI IDE devices.  Calls
- *	ata_sff_host_intr() for each port that is not disabled.
+ *	Handle port interrupt for given queued command.
  *
  *	LOCKING:
- *	Obtains host lock during operation.
+ *	spin_lock_irqsave(host lock)
  *
  *	RETURNS:
- *	IRQ_NONE or IRQ_HANDLED.
+ *	One if interrupt was handled, zero if not (shared irq).
  */
-irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
+unsigned int ata_sff_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
+{
+	return __ata_sff_port_intr(ap, qc, false);
+}
+EXPORT_SYMBOL_GPL(ata_sff_port_intr);
+
+static inline irqreturn_t __ata_sff_interrupt(int irq, void *dev_instance,
+	unsigned int (*port_intr)(struct ata_port *, struct ata_queued_cmd *))
 {
 	struct ata_host *host = dev_instance;
 	bool retried = false;
@@ -1611,7 +1575,7 @@ retry:
 		qc = ata_qc_from_tag(ap, ap->link.active_tag);
 		if (qc) {
 			if (!(qc->tf.flags & ATA_TFLAG_POLLING))
-				handled |= ata_sff_host_intr(ap, qc);
+				handled |= port_intr(ap, qc);
 			else
 				polling |= 1 << i;
 		} else
@@ -1661,6 +1625,25 @@ retry:
 
 	return IRQ_RETVAL(handled);
 }
+
+/**
+ *	ata_sff_interrupt - Default SFF ATA host interrupt handler
+ *	@irq: irq line (unused)
+ *	@dev_instance: pointer to our ata_host information structure
+ *
+ *	Default interrupt handler for PCI IDE devices.  Calls
+ *	ata_sff_port_intr() for each port that is not disabled.
+ *
+ *	LOCKING:
+ *	Obtains host lock during operation.
+ *
+ *	RETURNS:
+ *	IRQ_NONE or IRQ_HANDLED.
+ */
+irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
+{
+	return __ata_sff_interrupt(irq, dev_instance, ata_sff_port_intr);
+}
 EXPORT_SYMBOL_GPL(ata_sff_interrupt);
 
 /**
@@ -1698,7 +1681,7 @@ void ata_sff_lost_interrupt(struct ata_port *ap)
 								status);
 	/* Run the host interrupt logic as if the interrupt had not been
 	   lost */
-	ata_sff_host_intr(ap, qc);
+	ata_sff_port_intr(ap, qc);
 }
 EXPORT_SYMBOL_GPL(ata_sff_lost_interrupt);
 
@@ -2541,7 +2524,7 @@ int ata_pci_sff_init_one(struct pci_dev *pdev,
 	host->flags |= hflag;
 
 	pci_set_master(pdev);
-	rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);
+	rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
 out:
 	if (rc == 0)
 		devres_remove_group(&pdev->dev, NULL);
@@ -2787,6 +2770,75 @@ unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc)
 }
 EXPORT_SYMBOL_GPL(ata_bmdma_qc_issue);
 
+/**
+ *	ata_bmdma_port_intr - Handle BMDMA port interrupt
+ *	@ap: Port on which interrupt arrived (possibly...)
+ *	@qc: Taskfile currently active in engine
+ *
+ *	Handle port interrupt for given queued command.
+ *
+ *	LOCKING:
+ *	spin_lock_irqsave(host lock)
+ *
+ *	RETURNS:
+ *	One if interrupt was handled, zero if not (shared irq).
+ */
+unsigned int ata_bmdma_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
+{
+	struct ata_eh_info *ehi = &ap->link.eh_info;
+	u8 host_stat = 0;
+	bool bmdma_stopped = false;
+	unsigned int handled;
+
+	if (ap->hsm_task_state == HSM_ST_LAST && ata_is_dma(qc->tf.protocol)) {
+		/* check status of DMA engine */
+		host_stat = ap->ops->bmdma_status(ap);
+		VPRINTK("ata%u: host_stat 0x%X\n", ap->print_id, host_stat);
+
+		/* if it's not our irq... */
+		if (!(host_stat & ATA_DMA_INTR))
+			return ata_sff_idle_irq(ap);
+
+		/* before we do anything else, clear DMA-Start bit */
+		ap->ops->bmdma_stop(qc);
+		bmdma_stopped = true;
+
+		if (unlikely(host_stat & ATA_DMA_ERR)) {
+			/* error when transfering data to/from memory */
+			qc->err_mask |= AC_ERR_HOST_BUS;
+			ap->hsm_task_state = HSM_ST_ERR;
+		}
+	}
+
+	handled = __ata_sff_port_intr(ap, qc, bmdma_stopped);
+
+	if (unlikely(qc->err_mask) && ata_is_dma(qc->tf.protocol))
+		ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat);
+
+	return handled;
+}
+EXPORT_SYMBOL_GPL(ata_bmdma_port_intr);
+
+/**
+ *	ata_bmdma_interrupt - Default BMDMA ATA host interrupt handler
+ *	@irq: irq line (unused)
+ *	@dev_instance: pointer to our ata_host information structure
+ *
+ *	Default interrupt handler for PCI IDE devices.  Calls
+ *	ata_bmdma_port_intr() for each port that is not disabled.
+ *
+ *	LOCKING:
+ *	Obtains host lock during operation.
+ *
+ *	RETURNS:
+ *	IRQ_NONE or IRQ_HANDLED.
+ */
+irqreturn_t ata_bmdma_interrupt(int irq, void *dev_instance)
+{
+	return __ata_sff_interrupt(irq, dev_instance, ata_bmdma_port_intr);
+}
+EXPORT_SYMBOL_GPL(ata_bmdma_interrupt);
+
 /**
  *	ata_bmdma_error_handler - Stock error handler for BMDMA controller
  *	@ap: port to handle error for
diff --git a/drivers/ata/pata_atp867x.c b/drivers/ata/pata_atp867x.c
index bb6e0746e07..95295935dd9 100644
--- a/drivers/ata/pata_atp867x.c
+++ b/drivers/ata/pata_atp867x.c
@@ -525,7 +525,7 @@ static int atp867x_init_one(struct pci_dev *pdev,
 
 	pci_set_master(pdev);
 
-	rc = ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	rc = ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				IRQF_SHARED, &atp867x_sht);
 	if (rc)
 		dev_printk(KERN_ERR, &pdev->dev, "failed to activate host\n");
diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c
index 17c5f346ff0..030952f1f97 100644
--- a/drivers/ata/pata_cs5520.c
+++ b/drivers/ata/pata_cs5520.c
@@ -221,7 +221,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi
 			continue;
 
 		rc = devm_request_irq(&pdev->dev, irq[ap->port_no],
-				      ata_sff_interrupt, 0, DRV_NAME, host);
+				      ata_bmdma_interrupt, 0, DRV_NAME, host);
 		if (rc)
 			return rc;
 
diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c
index 727a81ce4c9..b63d5e2d462 100644
--- a/drivers/ata/pata_hpt3x3.c
+++ b/drivers/ata/pata_hpt3x3.c
@@ -248,7 +248,7 @@ static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ata_port_pbar_desc(ap, 4, offset_cmd[i], "cmd");
 	}
 	pci_set_master(pdev);
-	return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &hpt3x3_sht);
 }
 
diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c
index b56e8f722d2..9f2889fe43b 100644
--- a/drivers/ata/pata_icside.c
+++ b/drivers/ata/pata_icside.c
@@ -470,7 +470,7 @@ static int __devinit pata_icside_add_ports(struct pata_icside_info *info)
 		pata_icside_setup_ioaddr(ap, info->base, info, info->port[i]);
 	}
 
-	return ata_host_activate(host, ec->irq, ata_sff_interrupt, 0,
+	return ata_host_activate(host, ec->irq, ata_bmdma_interrupt, 0,
 				 &pata_icside_sht);
 }
 
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index b5b48e703cb..76640ac7688 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -1110,7 +1110,7 @@ static int __devinit pata_macio_common_init(struct pata_macio_priv	*priv,
 
 	/* Start it up */
 	priv->irq = irq;
-	return ata_host_activate(priv->host, irq, ata_sff_interrupt, 0,
+	return ata_host_activate(priv->host, irq, ata_bmdma_interrupt, 0,
 				 &pata_macio_sht);
 }
 
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 36afe2c1c74..f087ab55b1d 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -659,7 +659,7 @@ mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv,
 	ata_port_desc(ap, "ata_regs 0x%lx", raw_ata_regs);
 
 	/* activate host */
-	return ata_host_activate(host, priv->ata_irq, ata_sff_interrupt, 0,
+	return ata_host_activate(host, priv->ata_irq, ata_bmdma_interrupt, 0,
 				 &mpc52xx_ata_sht);
 }
 
diff --git a/drivers/ata/pata_ninja32.c b/drivers/ata/pata_ninja32.c
index dd53a66b19e..cc50bd09aa2 100644
--- a/drivers/ata/pata_ninja32.c
+++ b/drivers/ata/pata_ninja32.c
@@ -149,7 +149,7 @@ static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 
 	ninja32_program(base);
 	/* FIXME: Should we disable them at remove ? */
-	return ata_host_activate(host, dev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, dev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &ninja32_sht);
 }
 
diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index 09f1f22c030..b1835112252 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -754,7 +754,7 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de
 		return -EIO;
 
 	pci_set_master(pdev);
-	return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &pdc2027x_sht);
 }
 
diff --git a/drivers/ata/pata_rdc.c b/drivers/ata/pata_rdc.c
index 37092cfd7bc..2dd7748c904 100644
--- a/drivers/ata/pata_rdc.c
+++ b/drivers/ata/pata_rdc.c
@@ -354,7 +354,7 @@ static int __devinit rdc_init_one(struct pci_dev *pdev,
 	host->flags |= ATA_HOST_PARALLEL_SCAN;
 
 	pci_set_master(pdev);
-	return ata_pci_sff_activate_host(host, ata_sff_interrupt, &rdc_sht);
+	return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, &rdc_sht);
 }
 
 static void rdc_remove_one(struct pci_dev *pdev)
diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c
index fb318cdaffb..d9db3f8d60e 100644
--- a/drivers/ata/pata_scc.c
+++ b/drivers/ata/pata_scc.c
@@ -1105,7 +1105,7 @@ static int scc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		return rc;
 
-	return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &scc_sht);
 }
 
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index 43faf106f64..ac559378654 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -374,7 +374,7 @@ static int __devinit sil680_init_one(struct pci_dev *pdev,
 	ata_sff_std_ports(&host->ports[1]->ioaddr);
 
 	/* Register & activate */
-	return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &sil680_sht);
 
 use_ioports:
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 16bacd38926..a476cd99b95 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -2811,7 +2811,7 @@ static void mv_port_intr(struct ata_port *ap, u32 port_cause)
 	} else if (!edma_was_enabled) {
 		struct ata_queued_cmd *qc = mv_get_active_qc(ap);
 		if (qc)
-			ata_sff_host_intr(ap, qc);
+			ata_bmdma_port_intr(ap, qc);
 		else
 			mv_unexpected_intr(ap, edma_was_enabled);
 	}
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 358dde0178d..4269b9915e4 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -920,7 +920,7 @@ static int nv_host_intr(struct ata_port *ap, u8 irq_stat)
 	}
 
 	/* handle interrupt */
-	return ata_sff_host_intr(ap, qc);
+	return ata_bmdma_port_intr(ap, qc);
 }
 
 static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
@@ -1505,7 +1505,7 @@ static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance)
 
 		qc = ata_qc_from_tag(ap, ap->link.active_tag);
 		if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
-			handled += ata_sff_host_intr(ap, qc);
+			handled += ata_bmdma_port_intr(ap, qc);
 		} else {
 			/*
 			 * No request pending?  Clear interrupt status
diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c
index d533b3d20ca..0074351d7ed 100644
--- a/drivers/ata/sata_qstor.c
+++ b/drivers/ata/sata_qstor.c
@@ -454,7 +454,7 @@ static inline unsigned int qs_intr_mmio(struct ata_host *host)
 		if (!pp || pp->state != qs_state_mmio)
 			continue;
 		if (!(qc->tf.flags & ATA_TFLAG_POLLING))
-			handled |= ata_sff_host_intr(ap, qc);
+			handled |= ata_sff_port_intr(ap, qc);
 	}
 	return handled;
 }
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index f8a91bfd66a..fff10458a1a 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -308,7 +308,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	pci_set_master(pdev);
 	pci_intx(pdev, 1);
-	return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &sis_sht);
 }
 
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 101fd6a1982..7d9db4aaf07 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -502,7 +502,7 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en
 	writel(0x0, mmio_base + K2_SATA_SIM_OFFSET);
 
 	pci_set_master(pdev);
-	return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &k2_sata_sht);
 }
 
diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c
index d8dac17dc2c..b8578c32d34 100644
--- a/drivers/ata/sata_uli.c
+++ b/drivers/ata/sata_uli.c
@@ -242,7 +242,7 @@ static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	pci_set_master(pdev);
 	pci_intx(pdev, 1);
-	return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &uli_sht);
 }
 
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 7737dd5a434..7da5d019873 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -628,7 +628,7 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	svia_configure(pdev);
 
 	pci_set_master(pdev);
-	return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
 				 IRQF_SHARED, &svia_sht);
 }
 
diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c
index 2107952ebff..b777176ff49 100644
--- a/drivers/ata/sata_vsc.c
+++ b/drivers/ata/sata_vsc.c
@@ -245,7 +245,7 @@ static void vsc_port_intr(u8 port_status, struct ata_port *ap)
 
 	qc = ata_qc_from_tag(ap, ap->link.active_tag);
 	if (qc && likely(!(qc->tf.flags & ATA_TFLAG_POLLING)))
-		handled = ata_sff_host_intr(ap, qc);
+		handled = ata_bmdma_port_intr(ap, qc);
 
 	/* We received an interrupt during a polled command,
 	 * or some other spurious condition.  Interrupt reporting
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 8fd1ca8c7ef..b76d767e024 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1593,7 +1593,7 @@ extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
 extern void ata_sff_queue_pio_task(struct ata_port *ap, unsigned long delay);
 extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc);
 extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc);
-extern unsigned int ata_sff_host_intr(struct ata_port *ap,
+extern unsigned int ata_sff_port_intr(struct ata_port *ap,
 				      struct ata_queued_cmd *qc);
 extern irqreturn_t ata_sff_interrupt(int irq, void *dev_instance);
 extern void ata_sff_lost_interrupt(struct ata_port *ap);
@@ -1628,6 +1628,9 @@ extern int ata_pci_sff_init_one(struct pci_dev *pdev,
 extern void ata_bmdma_qc_prep(struct ata_queued_cmd *qc);
 extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc);
 extern void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
+extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
+				      struct ata_queued_cmd *qc);
+extern irqreturn_t ata_bmdma_interrupt(int irq, void *dev_instance);
 extern void ata_bmdma_error_handler(struct ata_port *ap);
 extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc);
 extern void ata_bmdma_irq_clear(struct ata_port *ap);

From 1c5afdf7a629d2e77de8dd043b97a33dcd7e6dfa Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 19 May 2010 22:10:22 +0200
Subject: [PATCH 3136/3638] libata-sff: separate out BMDMA init

Separate out ata_pci_bmdma_prepare_host() and ata_pci_bmdma_init_one()
from their SFF counterparts.  SFF ones no longer try to initialize
BMDMA or set PCI master.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/ata_generic.c       |   2 +-
 drivers/ata/ata_piix.c          |   2 +-
 drivers/ata/libata-sff.c        | 138 ++++++++++++++++++++++++++------
 drivers/ata/pata_acpi.c         |   2 +-
 drivers/ata/pata_ali.c          |   5 +-
 drivers/ata/pata_amd.c          |   2 +-
 drivers/ata/pata_artop.c        |   2 +-
 drivers/ata/pata_atiixp.c       |   4 +-
 drivers/ata/pata_cmd64x.c       |   2 +-
 drivers/ata/pata_cs5530.c       |   2 +-
 drivers/ata/pata_cs5535.c       |   2 +-
 drivers/ata/pata_cs5536.c       |   2 +-
 drivers/ata/pata_cypress.c      |   2 +-
 drivers/ata/pata_efar.c         |   4 +-
 drivers/ata/pata_hpt366.c       |   2 +-
 drivers/ata/pata_hpt37x.c       |   2 +-
 drivers/ata/pata_hpt3x2n.c      |   2 +-
 drivers/ata/pata_it8213.c       |   2 +-
 drivers/ata/pata_it821x.c       |   2 +-
 drivers/ata/pata_jmicron.c      |   2 +-
 drivers/ata/pata_marvell.c      |   2 +-
 drivers/ata/pata_netcell.c      |   2 +-
 drivers/ata/pata_ns87415.c      |   2 +-
 drivers/ata/pata_oldpiix.c      |   2 +-
 drivers/ata/pata_optidma.c      |   2 +-
 drivers/ata/pata_pdc202xx_old.c |   2 +-
 drivers/ata/pata_piccolo.c      |   2 +-
 drivers/ata/pata_radisys.c      |   2 +-
 drivers/ata/pata_rdc.c          |   2 +-
 drivers/ata/pata_sc1200.c       |   2 +-
 drivers/ata/pata_sch.c          |   2 +-
 drivers/ata/pata_serverworks.c  |   2 +-
 drivers/ata/pata_sil680.c       |   2 +-
 drivers/ata/pata_sis.c          |   2 +-
 drivers/ata/pata_sl82c105.c     |   2 +-
 drivers/ata/pata_triflex.c      |   2 +-
 drivers/ata/pata_via.c          |   2 +-
 drivers/ata/sata_nv.c           |   2 +-
 drivers/ata/sata_sis.c          |   2 +-
 drivers/ata/sata_via.c          |   4 +-
 include/linux/libata.h          |   7 ++
 41 files changed, 166 insertions(+), 66 deletions(-)

diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 33fb614f978..573158a9668 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -155,7 +155,7 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id
 			return rc;
 		pcim_pin_device(dev);
 	}
-	return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &generic_sht, NULL, 0);
 }
 
 static struct pci_device_id ata_generic[] = {
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 73685df98db..7409f98d2ae 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1589,7 +1589,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
 		hpriv->map = piix_init_sata_map(pdev, port_info,
 					piix_map_db_table[ent->driver_data]);
 
-	rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
+	rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
 	if (rc)
 		return rc;
 	host->private_data = hpriv;
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index bef7571a1d4..c29f1468e16 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2315,13 +2315,13 @@ int ata_pci_sff_init_host(struct ata_host *host)
 EXPORT_SYMBOL_GPL(ata_pci_sff_init_host);
 
 /**
- *	ata_pci_sff_prepare_host - helper to prepare native PCI ATA host
+ *	ata_pci_sff_prepare_host - helper to prepare PCI PIO-only SFF ATA host
  *	@pdev: target PCI device
  *	@ppi: array of port_info, must be enough for two ports
  *	@r_host: out argument for the initialized ATA host
  *
- *	Helper to allocate ATA host for @pdev, acquire all native PCI
- *	resources and initialize it accordingly in one go.
+ *	Helper to allocate PIO-only SFF ATA host for @pdev, acquire
+ *	all PCI resources and initialize it accordingly in one go.
  *
  *	LOCKING:
  *	Inherited from calling layer (may sleep).
@@ -2351,9 +2351,6 @@ int ata_pci_sff_prepare_host(struct pci_dev *pdev,
 	if (rc)
 		goto err_out;
 
-	/* init DMA related stuff */
-	ata_pci_bmdma_init(host);
-
 	devres_remove_group(&pdev->dev, NULL);
 	*r_host = host;
 	return 0;
@@ -2458,8 +2455,21 @@ out:
 }
 EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
 
+static const struct ata_port_info *ata_sff_find_valid_pi(
+					const struct ata_port_info * const *ppi)
+{
+	int i;
+
+	/* look up the first valid port_info */
+	for (i = 0; i < 2 && ppi[i]; i++)
+		if (ppi[i]->port_ops != &ata_dummy_port_ops)
+			return ppi[i];
+
+	return NULL;
+}
+
 /**
- *	ata_pci_sff_init_one - Initialize/register PCI IDE host controller
+ *	ata_pci_sff_init_one - Initialize/register PIO-only PCI IDE controller
  *	@pdev: Controller to be initialized
  *	@ppi: array of port_info, must be enough for two ports
  *	@sht: scsi_host_template to use when registering the host
@@ -2468,11 +2478,7 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
  *
  *	This is a helper function which can be called from a driver's
  *	xxx_init_one() probe function if the hardware uses traditional
- *	IDE taskfile registers.
- *
- *	This function calls pci_enable_device(), reserves its register
- *	regions, sets the dma mask, enables bus master mode, and calls
- *	ata_device_add()
+ *	IDE taskfile registers and is PIO only.
  *
  *	ASSUMPTION:
  *	Nobody makes a single channel controller that appears solely as
@@ -2489,20 +2495,13 @@ int ata_pci_sff_init_one(struct pci_dev *pdev,
 		 struct scsi_host_template *sht, void *host_priv, int hflag)
 {
 	struct device *dev = &pdev->dev;
-	const struct ata_port_info *pi = NULL;
+	const struct ata_port_info *pi;
 	struct ata_host *host = NULL;
-	int i, rc;
+	int rc;
 
 	DPRINTK("ENTER\n");
 
-	/* look up the first valid port_info */
-	for (i = 0; i < 2 && ppi[i]; i++) {
-		if (ppi[i]->port_ops != &ata_dummy_port_ops) {
-			pi = ppi[i];
-			break;
-		}
-	}
-
+	pi = ata_sff_find_valid_pi(ppi);
 	if (!pi) {
 		dev_printk(KERN_ERR, &pdev->dev,
 			   "no valid port_info specified\n");
@@ -2523,8 +2522,7 @@ int ata_pci_sff_init_one(struct pci_dev *pdev,
 	host->private_data = host_priv;
 	host->flags |= hflag;
 
-	pci_set_master(pdev);
-	rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
+	rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);
 out:
 	if (rc == 0)
 		devres_remove_group(&pdev->dev, NULL);
@@ -3196,6 +3194,98 @@ void ata_pci_bmdma_init(struct ata_host *host)
 }
 EXPORT_SYMBOL_GPL(ata_pci_bmdma_init);
 
+/**
+ *	ata_pci_bmdma_prepare_host - helper to prepare PCI BMDMA ATA host
+ *	@pdev: target PCI device
+ *	@ppi: array of port_info, must be enough for two ports
+ *	@r_host: out argument for the initialized ATA host
+ *
+ *	Helper to allocate BMDMA ATA host for @pdev, acquire all PCI
+ *	resources and initialize it accordingly in one go.
+ *
+ *	LOCKING:
+ *	Inherited from calling layer (may sleep).
+ *
+ *	RETURNS:
+ *	0 on success, -errno otherwise.
+ */
+int ata_pci_bmdma_prepare_host(struct pci_dev *pdev,
+			       const struct ata_port_info * const * ppi,
+			       struct ata_host **r_host)
+{
+	int rc;
+
+	rc = ata_pci_sff_prepare_host(pdev, ppi, r_host);
+	if (rc)
+		return rc;
+
+	ata_pci_bmdma_init(*r_host);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(ata_pci_bmdma_prepare_host);
+
+/**
+ *	ata_pci_bmdma_init_one - Initialize/register BMDMA PCI IDE controller
+ *	@pdev: Controller to be initialized
+ *	@ppi: array of port_info, must be enough for two ports
+ *	@sht: scsi_host_template to use when registering the host
+ *	@host_priv: host private_data
+ *	@hflags: host flags
+ *
+ *	This function is similar to ata_pci_sff_init_one() but also
+ *	takes care of BMDMA initialization.
+ *
+ *	LOCKING:
+ *	Inherited from PCI layer (may sleep).
+ *
+ *	RETURNS:
+ *	Zero on success, negative on errno-based value on error.
+ */
+int ata_pci_bmdma_init_one(struct pci_dev *pdev,
+			   const struct ata_port_info * const * ppi,
+			   struct scsi_host_template *sht, void *host_priv,
+			   int hflags)
+{
+	struct device *dev = &pdev->dev;
+	const struct ata_port_info *pi;
+	struct ata_host *host = NULL;
+	int rc;
+
+	DPRINTK("ENTER\n");
+
+	pi = ata_sff_find_valid_pi(ppi);
+	if (!pi) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "no valid port_info specified\n");
+		return -EINVAL;
+	}
+
+	if (!devres_open_group(dev, NULL, GFP_KERNEL))
+		return -ENOMEM;
+
+	rc = pcim_enable_device(pdev);
+	if (rc)
+		goto out;
+
+	/* prepare and activate BMDMA host */
+	rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
+	if (rc)
+		goto out;
+	host->private_data = host_priv;
+	host->flags |= hflags;
+
+	pci_set_master(pdev);
+	rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
+ out:
+	if (rc == 0)
+		devres_remove_group(&pdev->dev, NULL);
+	else
+		devres_release_group(&pdev->dev, NULL);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(ata_pci_bmdma_init_one);
+
 #endif /* CONFIG_PCI */
 
 /**
diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c
index 066b9f301ed..c8d47034d5e 100644
--- a/drivers/ata/pata_acpi.c
+++ b/drivers/ata/pata_acpi.c
@@ -260,7 +260,7 @@ static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
 			return rc;
 		pcim_pin_device(pdev);
 	}
-	return ata_pci_sff_init_one(pdev, ppi, &pacpi_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &pacpi_sht, NULL, 0);
 }
 
 static const struct pci_device_id pacpi_pci_tbl[] = {
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index f306e10c748..794ec6e3275 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -583,7 +583,10 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	        	ppi[0] = &info_20_udma;
 	}
 
-	return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);
+	if (!ppi[0]->mwdma_mask && !ppi[0]->udma_mask)
+		return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);
+	else
+		return ata_pci_bmdma_init_one(pdev, ppi, &ali_sht, NULL, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
index d95eca9c547..620a07cabe3 100644
--- a/drivers/ata/pata_amd.c
+++ b/drivers/ata/pata_amd.c
@@ -574,7 +574,7 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* And fire it up */
-	return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &amd_sht, hpriv, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c
index 4d066d6c30f..ba43f0f8c88 100644
--- a/drivers/ata/pata_artop.c
+++ b/drivers/ata/pata_artop.c
@@ -421,7 +421,7 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
 
 	BUG_ON(ppi[0] == NULL);
 
-	return ata_pci_sff_init_one(pdev, ppi, &artop_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &artop_sht, NULL, 0);
 }
 
 static const struct pci_device_id artop_pci_tbl[] = {
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index 44d88b380dd..43755616dc5 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -246,8 +246,8 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		if (!pci_test_config_bits(pdev, &atiixp_enable_bits[i]))
 			ppi[i] = &ata_dummy_port_info;
 
-	return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL,
-						ATA_HOST_PARALLEL_SCAN);
+	return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL,
+				      ATA_HOST_PARALLEL_SCAN);
 }
 
 static const struct pci_device_id atiixp[] = {
diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c
index 4c81a71b887..9f5da1c7454 100644
--- a/drivers/ata/pata_cmd64x.c
+++ b/drivers/ata/pata_cmd64x.c
@@ -367,7 +367,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
 #endif
 
-	return ata_pci_sff_init_one(pdev, ppi, &cmd64x_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &cmd64x_sht, NULL, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c
index e809a4233a8..f792330f0d8 100644
--- a/drivers/ata/pata_cs5530.c
+++ b/drivers/ata/pata_cs5530.c
@@ -324,7 +324,7 @@ static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ppi[1] = &info_palmax_secondary;
 
 	/* Now kick off ATA set up */
-	return ata_pci_sff_init_one(pdev, ppi, &cs5530_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &cs5530_sht, NULL, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c
index a02e6459fdc..03a93186aa1 100644
--- a/drivers/ata/pata_cs5535.c
+++ b/drivers/ata/pata_cs5535.c
@@ -198,7 +198,7 @@ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	rdmsr(ATAC_CH0D1_PIO, timings, dummy);
 	if (CS5535_BAD_PIO(timings))
 		wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0);
-	return ata_pci_sff_init_one(dev, ppi, &cs5535_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &cs5535_sht, NULL, 0);
 }
 
 static const struct pci_device_id cs5535[] = {
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index 914ae3506ff..21ee23f89e8 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -260,7 +260,7 @@ static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 		return -ENODEV;
 	}
 
-	return ata_pci_sff_init_one(dev, ppi, &cs5536_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &cs5536_sht, NULL, 0);
 }
 
 static const struct pci_device_id cs5536[] = {
diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c
index 0fcc096b8da..6d915b063d9 100644
--- a/drivers/ata/pata_cypress.c
+++ b/drivers/ata/pata_cypress.c
@@ -138,7 +138,7 @@ static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *i
 	if (PCI_FUNC(pdev->devfn) != 1)
 		return -ENODEV;
 
-	return ata_pci_sff_init_one(pdev, ppi, &cy82c693_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &cy82c693_sht, NULL, 0);
 }
 
 static const struct pci_device_id cy82c693[] = {
diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c
index 3bac0e07969..a08834758ea 100644
--- a/drivers/ata/pata_efar.c
+++ b/drivers/ata/pata_efar.c
@@ -277,8 +277,8 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "version " DRV_VERSION "\n");
 
-	return ata_pci_sff_init_one(pdev, ppi, &efar_sht, NULL,
-					ATA_HOST_PARALLEL_SCAN);
+	return ata_pci_bmdma_init_one(pdev, ppi, &efar_sht, NULL,
+				      ATA_HOST_PARALLEL_SCAN);
 }
 
 static const struct pci_device_id efar_pci_tbl[] = {
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index 8580eb3cd54..7688868557b 100644
--- a/drivers/ata/pata_hpt366.c
+++ b/drivers/ata/pata_hpt366.c
@@ -361,7 +361,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 			break;
 	}
 	/* Now kick off ATA set up */
-	return ata_pci_sff_init_one(dev, ppi, &hpt36x_sht, hpriv, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &hpt36x_sht, hpriv, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 98b498b6907..9ae4c083057 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -987,7 +987,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	}
 
 	/* Now kick off ATA set up */
-	return ata_pci_sff_init_one(dev, ppi, &hpt37x_sht, private_data, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &hpt37x_sht, private_data, 0);
 }
 
 static const struct pci_device_id hpt37x[] = {
diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c
index 8b95aeba0e7..32f3463216b 100644
--- a/drivers/ata/pata_hpt3x2n.c
+++ b/drivers/ata/pata_hpt3x2n.c
@@ -548,7 +548,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 		outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c);
 
 	/* Now kick off ATA set up */
-	return ata_pci_sff_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0);
 }
 
 static const struct pci_device_id hpt3x2n[] = {
diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c
index f971f0de88e..4d142a2ab8f 100644
--- a/drivers/ata/pata_it8213.c
+++ b/drivers/ata/pata_it8213.c
@@ -273,7 +273,7 @@ static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *en
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "version " DRV_VERSION "\n");
 
-	return ata_pci_sff_init_one(pdev, ppi, &it8213_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &it8213_sht, NULL, 0);
 }
 
 static const struct pci_device_id it8213_pci_tbl[] = {
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 2bd2b002d14..bf88f71a21f 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -933,7 +933,7 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		else
 			ppi[0] = &info_smart;
 	}
-	return ata_pci_sff_init_one(pdev, ppi, &it821x_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &it821x_sht, NULL, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c
index 565e01e6ac7..cb3babbb703 100644
--- a/drivers/ata/pata_jmicron.c
+++ b/drivers/ata/pata_jmicron.c
@@ -144,7 +144,7 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i
 	};
 	const struct ata_port_info *ppi[] = { &info, NULL };
 
-	return ata_pci_sff_init_one(pdev, ppi, &jmicron_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &jmicron_sht, NULL, 0);
 }
 
 static const struct pci_device_id jmicron_pci_tbl[] = {
diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
index e8ca02e5a71..dd38083dcbe 100644
--- a/drivers/ata/pata_marvell.c
+++ b/drivers/ata/pata_marvell.c
@@ -153,7 +153,7 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i
 		return -ENODEV;
 	}
 #endif
-	return ata_pci_sff_init_one(pdev, ppi, &marvell_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &marvell_sht, NULL, 0);
 }
 
 static const struct pci_device_id marvell_pci_tbl[] = {
diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c
index 94f979a7f4f..3eb921c746a 100644
--- a/drivers/ata/pata_netcell.c
+++ b/drivers/ata/pata_netcell.c
@@ -82,7 +82,7 @@ static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 	ata_pci_bmdma_clear_simplex(pdev);
 
 	/* And let the library code do the work */
-	return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
 }
 
 static const struct pci_device_id netcell_pci_tbl[] = {
diff --git a/drivers/ata/pata_ns87415.c b/drivers/ata/pata_ns87415.c
index fdbba2d76d3..605f198f958 100644
--- a/drivers/ata/pata_ns87415.c
+++ b/drivers/ata/pata_ns87415.c
@@ -380,7 +380,7 @@ static int ns87415_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 
 	ns87415_fixup(pdev);
 
-	return ata_pci_sff_init_one(pdev, ppi, &ns87415_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &ns87415_sht, NULL, 0);
 }
 
 static const struct pci_device_id ns87415_pci_tbl[] = {
diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c
index 988ef2627be..b811c163620 100644
--- a/drivers/ata/pata_oldpiix.c
+++ b/drivers/ata/pata_oldpiix.c
@@ -248,7 +248,7 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "version " DRV_VERSION "\n");
 
-	return ata_pci_sff_init_one(pdev, ppi, &oldpiix_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &oldpiix_sht, NULL, 0);
 }
 
 static const struct pci_device_id oldpiix_pci_tbl[] = {
diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c
index 76b7d12b1e8..0852cd07de0 100644
--- a/drivers/ata/pata_optidma.c
+++ b/drivers/ata/pata_optidma.c
@@ -429,7 +429,7 @@ static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	if (optiplus_with_udma(dev))
 		ppi[0] = &info_82c700_udma;
 
-	return ata_pci_sff_init_one(dev, ppi, &optidma_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &optidma_sht, NULL, 0);
 }
 
 static const struct pci_device_id optidma[] = {
diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c
index fa1e2f3bc0f..c39f213e1bb 100644
--- a/drivers/ata/pata_pdc202xx_old.c
+++ b/drivers/ata/pata_pdc202xx_old.c
@@ -337,7 +337,7 @@ static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id
 				return -ENODEV;
 		}
 	}
-	return ata_pci_sff_init_one(dev, ppi, &pdc202xx_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &pdc202xx_sht, NULL, 0);
 }
 
 static const struct pci_device_id pdc202xx[] = {
diff --git a/drivers/ata/pata_piccolo.c b/drivers/ata/pata_piccolo.c
index 98161541484..cb01bf9496f 100644
--- a/drivers/ata/pata_piccolo.c
+++ b/drivers/ata/pata_piccolo.c
@@ -95,7 +95,7 @@ static int ata_tosh_init_one(struct pci_dev *dev, const struct pci_device_id *id
 	};
 	const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info };
 	/* Just one port for the moment */
-	return ata_pci_sff_init_one(dev, ppi, &tosh_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &tosh_sht, NULL, 0);
 }
 
 static struct pci_device_id ata_tosh[] = {
diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c
index a5fa388e539..8574b31f177 100644
--- a/drivers/ata/pata_radisys.c
+++ b/drivers/ata/pata_radisys.c
@@ -227,7 +227,7 @@ static int radisys_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "version " DRV_VERSION "\n");
 
-	return ata_pci_sff_init_one(pdev, ppi, &radisys_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &radisys_sht, NULL, 0);
 }
 
 static const struct pci_device_id radisys_pci_tbl[] = {
diff --git a/drivers/ata/pata_rdc.c b/drivers/ata/pata_rdc.c
index 2dd7748c904..5fbe9b166c6 100644
--- a/drivers/ata/pata_rdc.c
+++ b/drivers/ata/pata_rdc.c
@@ -344,7 +344,7 @@ static int __devinit rdc_init_one(struct pci_dev *pdev,
 	 */
 	pci_read_config_dword(pdev, 0x54, &hpriv->saved_iocfg);
 
-	rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
+	rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
 	if (rc)
 		return rc;
 	host->private_data = hpriv;
diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c
index 6b5b63a2fd8..e2c18257adf 100644
--- a/drivers/ata/pata_sc1200.c
+++ b/drivers/ata/pata_sc1200.c
@@ -237,7 +237,7 @@ static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	};
 	const struct ata_port_info *ppi[] = { &info, NULL };
 
-	return ata_pci_sff_init_one(dev, ppi, &sc1200_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &sc1200_sht, NULL, 0);
 }
 
 static const struct pci_device_id sc1200[] = {
diff --git a/drivers/ata/pata_sch.c b/drivers/ata/pata_sch.c
index 86b3d0133c7..e97b32f03a6 100644
--- a/drivers/ata/pata_sch.c
+++ b/drivers/ata/pata_sch.c
@@ -179,7 +179,7 @@ static int __devinit sch_init_one(struct pci_dev *pdev,
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "version " DRV_VERSION "\n");
 
-	return ata_pci_sff_init_one(pdev, ppi, &sch_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &sch_sht, NULL, 0);
 }
 
 static int __init sch_init(void)
diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
index 43ea389df2b..86dd714e3e1 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -460,7 +460,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
 	if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE)
 		ata_pci_bmdma_clear_simplex(pdev);
 
-	return ata_pci_sff_init_one(pdev, ppi, &serverworks_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &serverworks_sht, NULL, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index ac559378654..d3190d7ec30 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -378,7 +378,7 @@ static int __devinit sil680_init_one(struct pci_dev *pdev,
 				 IRQF_SHARED, &sil680_sht);
 
 use_ioports:
-	return ata_pci_sff_init_one(pdev, ppi, &sil680_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &sil680_sht, NULL, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index b6708032f32..60cea13cccc 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -826,7 +826,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	sis_fixup(pdev, chipset);
 
-	return ata_pci_sff_init_one(pdev, ppi, &sis_sht, chipset, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &sis_sht, chipset, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c
index 733b042a746..98548f640c8 100644
--- a/drivers/ata/pata_sl82c105.c
+++ b/drivers/ata/pata_sl82c105.c
@@ -316,7 +316,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id
 	val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16;
 	pci_write_config_dword(dev, 0x40, val);
 
-	return ata_pci_sff_init_one(dev, ppi, &sl82c105_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &sl82c105_sht, NULL, 0);
 }
 
 static const struct pci_device_id sl82c105[] = {
diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c
index 48f50600ed2..0d1f89e571d 100644
--- a/drivers/ata/pata_triflex.c
+++ b/drivers/ata/pata_triflex.c
@@ -201,7 +201,7 @@ static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	if (!printed_version++)
 		dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n");
 
-	return ata_pci_sff_init_one(dev, ppi, &triflex_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(dev, ppi, &triflex_sht, NULL, 0);
 }
 
 static const struct pci_device_id triflex[] = {
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 7e3e0a5598b..5e659885de1 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -627,7 +627,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* We have established the device type, now fire it up */
-	return ata_pci_sff_init_one(pdev, ppi, &via_sht, (void *)config, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &via_sht, (void *)config, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 4269b9915e4..6fd11478411 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -2430,7 +2430,7 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	ppi[0] = &nv_port_info[type];
 	ipriv = ppi[0]->private_data;
-	rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
+	rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
 	if (rc)
 		return rc;
 
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index fff10458a1a..2bfe3ae0397 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -279,7 +279,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		break;
 	}
 
-	rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
+	rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
 	if (rc)
 		return rc;
 
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 7da5d019873..101d8c219ca 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -463,7 +463,7 @@ static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
 	struct ata_host *host;
 	int rc;
 
-	rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
+	rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
 	if (rc)
 		return rc;
 	*r_host = host;
@@ -520,7 +520,7 @@ static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
 	struct ata_host *host;
 	int i, rc;
 
-	rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
+	rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
 	if (rc)
 		return rc;
 	*r_host = host;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index b76d767e024..fe2be88bc26 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1644,6 +1644,13 @@ extern int ata_bmdma_port_start32(struct ata_port *ap);
 #ifdef CONFIG_PCI
 extern int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev);
 extern void ata_pci_bmdma_init(struct ata_host *host);
+extern int ata_pci_bmdma_prepare_host(struct pci_dev *pdev,
+				      const struct ata_port_info * const * ppi,
+				      struct ata_host **r_host);
+extern int ata_pci_bmdma_init_one(struct pci_dev *pdev,
+				  const struct ata_port_info * const * ppi,
+				  struct scsi_host_template *sht,
+				  void *host_priv, int hflags);
 #endif /* CONFIG_PCI */
 
 /**

From d6b0de8c28ef32d081cfee938e443ce2a2429cfe Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 19 May 2010 22:10:23 +0200
Subject: [PATCH 3137/3638] libata-sff: kill dummy BMDMA ops from sata_qstor
 and pata_octeon_cf

Now that SFF and BMDMA are completely separate, sata_qstor and
pata_octeon_cf which inherit from ata_sff_port_ops don't need to worry
about BMDMA ops being called.  Kill the dummy BMDMA ops.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/pata_octeon_cf.c | 18 ------------------
 drivers/ata/sata_qstor.c     | 14 --------------
 2 files changed, 32 deletions(-)

diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index 3001109352e..06ddd91ffed 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -749,20 +749,6 @@ static void octeon_cf_dev_config(struct ata_device *dev)
 	dev->max_sectors = min(dev->max_sectors, 4095U);
 }
 
-/*
- * Trap if driver tries to do standard bmdma commands.  They are not
- * supported.
- */
-static void unreachable_qc(struct ata_queued_cmd *qc)
-{
-	BUG();
-}
-
-static u8 unreachable_port(struct ata_port *ap)
-{
-	BUG();
-}
-
 /*
  * We don't do ATAPI DMA so return 0.
  */
@@ -804,10 +790,6 @@ static struct ata_port_operations octeon_cf_ops = {
 	.sff_dev_select		= octeon_cf_dev_select,
 	.sff_irq_on		= octeon_cf_irq_on,
 	.sff_irq_clear		= octeon_cf_irq_clear,
-	.bmdma_setup		= unreachable_qc,
-	.bmdma_start		= unreachable_qc,
-	.bmdma_stop		= unreachable_qc,
-	.bmdma_status		= unreachable_port,
 	.cable_detect		= ata_cable_40wire,
 	.set_piomode		= octeon_cf_set_piomode,
 	.set_dmamode		= octeon_cf_set_dmamode,
diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c
index 0074351d7ed..daeebf19a6a 100644
--- a/drivers/ata/sata_qstor.c
+++ b/drivers/ata/sata_qstor.c
@@ -120,8 +120,6 @@ static void qs_host_stop(struct ata_host *host);
 static void qs_qc_prep(struct ata_queued_cmd *qc);
 static unsigned int qs_qc_issue(struct ata_queued_cmd *qc);
 static int qs_check_atapi_dma(struct ata_queued_cmd *qc);
-static void qs_bmdma_stop(struct ata_queued_cmd *qc);
-static u8 qs_bmdma_status(struct ata_port *ap);
 static void qs_freeze(struct ata_port *ap);
 static void qs_thaw(struct ata_port *ap);
 static int qs_prereset(struct ata_link *link, unsigned long deadline);
@@ -137,8 +135,6 @@ static struct ata_port_operations qs_ata_ops = {
 	.inherits		= &ata_sff_port_ops,
 
 	.check_atapi_dma	= qs_check_atapi_dma,
-	.bmdma_stop		= qs_bmdma_stop,
-	.bmdma_status		= qs_bmdma_status,
 	.qc_prep		= qs_qc_prep,
 	.qc_issue		= qs_qc_issue,
 
@@ -190,16 +186,6 @@ static int qs_check_atapi_dma(struct ata_queued_cmd *qc)
 	return 1;	/* ATAPI DMA not supported */
 }
 
-static void qs_bmdma_stop(struct ata_queued_cmd *qc)
-{
-	/* nothing */
-}
-
-static u8 qs_bmdma_status(struct ata_port *ap)
-{
-	return 0;
-}
-
 static inline void qs_enter_reg_mode(struct ata_port *ap)
 {
 	u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000);

From 9a7780c9acb821fe1c2b6fc53f74cc2556ff5364 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 19 May 2010 22:10:24 +0200
Subject: [PATCH 3138/3638] libata-sff: make BMDMA optional

Make BMDMA optional depending on new config variable CONFIG_ATA_BMDMA.
In Kconfig, drivers are grouped into five groups - non-SFF native, SFF
w/ custom DMA interface, SFF w/ BMDMA, PIO-only SFF, and generic
fallback / legacy ones.  Kconfig and Makefile are reorganized
according to the groups and ordered alphabetically inside each group.

ata_ioports.bmdma_addr and ata_port.bmdma_prd[_dma] are put into
CONFIG_ATA_BMDMA, as are all bmdma related ops, variables and
functions.

This increase the binary size slightly when BMDMA is enabled but on
both native-only and PIO-only configurations the size is slightly
reduced.  Either way, the size difference is insignificant.  This
change is more meaningful to signify the separation between SFF and
BMDMA and as a tool to verify the separation.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/Kconfig      | 523 ++++++++++++++++++++-------------------
 drivers/ata/Makefile     |  95 +++----
 drivers/ata/libata-sff.c |  11 +
 include/linux/libata.h   |  22 +-
 4 files changed, 353 insertions(+), 298 deletions(-)

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index e68541f662b..73f883333a0 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -57,6 +57,8 @@ config SATA_PMP
 	  This option adds support for SATA Port Multipliers
 	  (the SATA version of an ethernet hub, or SAS expander).
 
+comment "Controllers with non-SFF native interface"
+
 config SATA_AHCI
 	tristate "AHCI SATA support"
 	depends on PCI
@@ -73,11 +75,12 @@ config SATA_AHCI_PLATFORM
 
 	  If unsure, say N.
 
-config SATA_SIL24
-	tristate "Silicon Image 3124/3132 SATA support"
-	depends on PCI
+config SATA_FSL
+	tristate "Freescale 3.0Gbps SATA support"
+	depends on FSL_SOC
 	help
-	  This option enables support for Silicon Image 3124/3132 Serial ATA.
+	  This option enables support for Freescale 3.0Gbps SATA controller.
+	  It can be found on MPC837x and MPC8315.
 
 	  If unsure, say N.
 
@@ -87,12 +90,11 @@ config SATA_INIC162X
 	help
 	  This option enables support for Initio 162x Serial ATA.
 
-config SATA_FSL
-	tristate "Freescale 3.0Gbps SATA support"
-	depends on FSL_SOC
+config SATA_SIL24
+	tristate "Silicon Image 3124/3132 SATA support"
+	depends on PCI
 	help
-	  This option enables support for Freescale 3.0Gbps SATA controller.
-	  It can be found on MPC837x and MPC8315.
+	  This option enables support for Silicon Image 3124/3132 Serial ATA.
 
 	  If unsure, say N.
 
@@ -116,15 +118,65 @@ config ATA_SFF
 
 if ATA_SFF
 
-config SATA_SVW
-	tristate "ServerWorks Frodo / Apple K2 SATA support"
+comment "SFF controllers with custom DMA interface"
+
+config PDC_ADMA
+	tristate "Pacific Digital ADMA support"
 	depends on PCI
 	help
-	  This option enables support for Broadcom/Serverworks/Apple K2
-	  SATA support.
+	  This option enables support for Pacific Digital ADMA controllers
 
 	  If unsure, say N.
 
+config PATA_MPC52xx
+	tristate "Freescale MPC52xx SoC internal IDE"
+	depends on PPC_MPC52xx && PPC_BESTCOMM
+	select PPC_BESTCOMM_ATA
+	help
+	  This option enables support for integrated IDE controller
+	  of the Freescale MPC52xx SoC.
+
+	  If unsure, say N.
+
+config PATA_OCTEON_CF
+	tristate "OCTEON Boot Bus Compact Flash support"
+	depends on CPU_CAVIUM_OCTEON
+	help
+	  This option enables a polled compact flash driver for use with
+	  compact flash cards attached to the OCTEON boot bus.
+
+	  If unsure, say N.
+
+config SATA_QSTOR
+	tristate "Pacific Digital SATA QStor support"
+	depends on PCI
+	help
+	  This option enables support for Pacific Digital Serial ATA QStor.
+
+	  If unsure, say N.
+
+config SATA_SX4
+	tristate "Promise SATA SX4 support (Experimental)"
+	depends on PCI && EXPERIMENTAL
+	help
+	  This option enables support for Promise Serial ATA SX4.
+
+	  If unsure, say N.
+
+config ATA_BMDMA
+	bool "ATA BMDMA support"
+	default y
+	help
+	  This option adds support for SFF ATA controllers with BMDMA
+	  capability.  BMDMA stands for bus-master DMA and the
+	  de-facto DMA interface for SFF controllers.
+
+	  If unuser, say Y.
+
+if ATA_BMDMA
+
+comment "SATA SFF controllers with BMDMA"
+
 config ATA_PIIX
 	tristate "Intel ESB, ICH, PIIX3, PIIX4 PATA/SATA support"
 	depends on PCI
@@ -152,22 +204,6 @@ config SATA_NV
 
 	  If unsure, say N.
 
-config PDC_ADMA
-	tristate "Pacific Digital ADMA support"
-	depends on PCI
-	help
-	  This option enables support for Pacific Digital ADMA controllers
-
-	  If unsure, say N.
-
-config SATA_QSTOR
-	tristate "Pacific Digital SATA QStor support"
-	depends on PCI
-	help
-	  This option enables support for Pacific Digital Serial ATA QStor.
-
-	  If unsure, say N.
-
 config SATA_PROMISE
 	tristate "Promise SATA TX2/TX4 support"
 	depends on PCI
@@ -176,14 +212,6 @@ config SATA_PROMISE
 
 	  If unsure, say N.
 
-config SATA_SX4
-	tristate "Promise SATA SX4 support (Experimental)"
-	depends on PCI && EXPERIMENTAL
-	help
-	  This option enables support for Promise Serial ATA SX4.
-
-	  If unsure, say N.
-
 config SATA_SIL
 	tristate "Silicon Image SATA support"
 	depends on PCI
@@ -203,6 +231,15 @@ config SATA_SIS
 	  enable the PATA_SIS driver in the config.
 	  If unsure, say N.
 
+config SATA_SVW
+	tristate "ServerWorks Frodo / Apple K2 SATA support"
+	depends on PCI
+	help
+	  This option enables support for Broadcom/Serverworks/Apple K2
+	  SATA support.
+
+	  If unsure, say N.
+
 config SATA_ULI
 	tristate "ULi Electronics SATA support"
 	depends on PCI
@@ -227,14 +264,7 @@ config SATA_VITESSE
 
 	  If unsure, say N.
 
-config PATA_ACPI
-	tristate "ACPI firmware driver for PATA"
-	depends on ATA_ACPI
-	help
-	  This option enables an ACPI method driver which drives
-	  motherboard PATA controller interfaces through the ACPI
-	  firmware in the BIOS. This driver can sometimes handle
-	  otherwise unsupported hardware.
+comment "PATA SFF controllers with BMDMA"
 
 config PATA_ALI
 	tristate "ALi PATA support"
@@ -262,24 +292,6 @@ config PATA_ARTOP
 
 	  If unsure, say N.
 
-config PATA_ATP867X
-	tristate "ARTOP/Acard ATP867X PATA support"
-	depends on PCI
-	help
-	  This option enables support for ARTOP/Acard ATP867X PATA
-	  controllers.
-
-	  If unsure, say N.
-
-config PATA_AT32
-	tristate "Atmel AVR32 PATA support (Experimental)"
-	depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL
-	help
-	  This option enables support for the IDE devices on the
-	  Atmel AT32AP platform.
-
-	  If unsure, say N.
-
 config PATA_ATIIXP
 	tristate "ATI PATA support"
 	depends on PCI
@@ -289,13 +301,21 @@ config PATA_ATIIXP
 
 	  If unsure, say N.
 
-config PATA_CMD640_PCI
-	tristate "CMD640 PCI PATA support (Experimental)"
-	depends on PCI && EXPERIMENTAL
+config PATA_ATP867X
+	tristate "ARTOP/Acard ATP867X PATA support"
+	depends on PCI
 	help
-	  This option enables support for the CMD640 PCI IDE
-	  interface chip. Only the primary channel is currently
-	  supported.
+	  This option enables support for ARTOP/Acard ATP867X PATA
+	  controllers.
+
+	  If unsure, say N.
+
+config PATA_BF54X
+	tristate "Blackfin 54x ATAPI support"
+	depends on BF542 || BF548 || BF549
+	help
+	  This option enables support for the built-in ATAPI controller on
+	  Blackfin 54x family chips.
 
 	  If unsure, say N.
 
@@ -362,15 +382,6 @@ config PATA_EFAR
 
 	  If unsure, say N.
 
-config ATA_GENERIC
-	tristate "Generic ATA support"
-	depends on PCI
-	help
-	  This option enables support for generic BIOS configured
-	  ATA controllers via the new ATA layer
-
-	  If unsure, say N.
-
 config PATA_HPT366
 	tristate "HPT 366/368 PATA support"
 	depends on PCI
@@ -415,12 +426,20 @@ config PATA_HPT3X3_DMA
 	  controllers. Enable with care as there are still some
 	  problems with DMA on this chipset.
 
-config PATA_ISAPNP
-	tristate "ISA Plug and Play PATA support"
-	depends on ISAPNP
+config PATA_ICSIDE
+	tristate "Acorn ICS PATA support"
+	depends on ARM && ARCH_ACORN
 	help
-	  This option enables support for ISA plug & play ATA
-	  controllers such as those found on old soundcards.
+	  On Acorn systems, say Y here if you wish to use the ICS PATA
+	  interface card.  This is not required for ICS partition support.
+	  If you are unsure, say N to this.
+
+config PATA_IT8213
+	tristate "IT8213 PATA support (Experimental)"
+	depends on PCI && EXPERIMENTAL
+	help
+	  This option enables support for the ITE 821 PATA
+          controllers via the new ATA layer.
 
 	  If unsure, say N.
 
@@ -434,15 +453,6 @@ config PATA_IT821X
 
 	  If unsure, say N.
 
-config PATA_IT8213
-	tristate "IT8213 PATA support (Experimental)"
-	depends on PCI && EXPERIMENTAL
-	help
-	  This option enables support for the ITE 821 PATA
-          controllers via the new ATA layer.
-
-	  If unsure, say N.
-
 config PATA_JMICRON
 	tristate "JMicron PATA support"
 	depends on PCI
@@ -452,23 +462,14 @@ config PATA_JMICRON
 
 	  If unsure, say N.
 
-config PATA_LEGACY
-	tristate "Legacy ISA PATA support (Experimental)"
-	depends on (ISA || PCI)  && EXPERIMENTAL
+config PATA_MACIO
+	tristate "Apple PowerMac/PowerBook internal 'MacIO' IDE"
+	depends on PPC_PMAC
 	help
-	  This option enables support for ISA/VLB/PCI bus legacy PATA
-	  ports and allows them to be accessed via the new ATA layer.
-
-	  If unsure, say N.
-
-config PATA_TRIFLEX
-	tristate "Compaq Triflex PATA support"
-	depends on PCI
-	help
-	  Enable support for the Compaq 'Triflex' IDE controller as found
-	  on many Compaq Pentium-Pro systems, via the new ATA layer.
-
-	  If unsure, say N.
+	  Most IDE capable PowerMacs have IDE busses driven by a variant
+          of this controller which is part of the Apple chipset used on
+          most PowerMac models. Some models have multiple busses using
+          different chipsets, though generally, MacIO is one of them.
 
 config PATA_MARVELL
 	tristate "Marvell PATA support via legacy mode"
@@ -481,32 +482,6 @@ config PATA_MARVELL
 
 	  If unsure, say N.
 
-config PATA_MPC52xx
-	tristate "Freescale MPC52xx SoC internal IDE"
-	depends on PPC_MPC52xx && PPC_BESTCOMM
-	select PPC_BESTCOMM_ATA
-	help
-	  This option enables support for integrated IDE controller
-	  of the Freescale MPC52xx SoC.
-
-	  If unsure, say N.
-
-config PATA_MPIIX
-	tristate "Intel PATA MPIIX support"
-	depends on PCI
-	help
-	  This option enables support for MPIIX PATA support.
-
-	  If unsure, say N.
-
-config PATA_OLDPIIX
-	tristate "Intel PATA old PIIX support"
-	depends on PCI
-	help
-	  This option enables support for early PIIX PATA support.
-
-	  If unsure, say N.
-
 config PATA_NETCELL
 	tristate "NETCELL Revolution RAID support"
 	depends on PCI
@@ -525,15 +500,6 @@ config PATA_NINJA32
 
 	  If unsure, say N.
 
-config PATA_NS87410
-	tristate "Nat Semi NS87410 PATA support"
-	depends on PCI
-	help
-	  This option enables support for the National Semiconductor
-	  NS87410 PCI-IDE controller.
-
-	  If unsure, say N.
-
 config PATA_NS87415
 	tristate "Nat Semi NS87415 PATA support"
 	depends on PCI
@@ -543,12 +509,11 @@ config PATA_NS87415
 
 	  If unsure, say N.
 
-config PATA_OPTI
-	tristate "OPTI621/6215 PATA support (Very Experimental)"
-	depends on PCI && EXPERIMENTAL
+config PATA_OLDPIIX
+	tristate "Intel PATA old PIIX support"
+	depends on PCI
 	help
-	  This option enables full PIO support for the early Opti ATA
-	  controllers found on some old motherboards.
+	  This option enables support for early PIIX PATA support.
 
 	  If unsure, say N.
 
@@ -562,24 +527,6 @@ config PATA_OPTIDMA
 
 	  If unsure, say N.
 
-config PATA_PALMLD
-	tristate "Palm LifeDrive PATA support"
-	depends on MACH_PALMLD
-	help
-	  This option enables support for Palm LifeDrive's internal ATA
-	  port via the new ATA layer.
-
-	  If unsure, say N.
-
-config PATA_PCMCIA
-	tristate "PCMCIA PATA support"
-	depends on PCMCIA
-	help
-	  This option enables support for PCMCIA ATA interfaces, including
-	  compact flash card adapters via the new ATA layer.
-
-	  If unsure, say N.
-
 config PATA_PDC2027X
 	tristate "Promise PATA 2027x support"
 	depends on PCI
@@ -597,12 +544,6 @@ config PATA_PDC_OLD
 
 	  If unsure, say N.
 
-config PATA_QDI
-	tristate "QDI VLB PATA support"
-	depends on ISA
-	help
-	  Support for QDI 6500 and 6580 PATA controllers on VESA local bus.
-
 config PATA_RADISYS
 	tristate "RADISYS 82600 PATA support (Experimental)"
 	depends on PCI && EXPERIMENTAL
@@ -612,15 +553,6 @@ config PATA_RADISYS
 
 	  If unsure, say N.
 
-config PATA_RB532
-	tristate "RouterBoard 532 PATA CompactFlash support"
-	depends on MIKROTIK_RB532
-	help
-	  This option enables support for the RouterBoard 532
-	  PATA CompactFlash controller.
-
-	  If unsure, say N.
-
 config PATA_RDC
 	tristate "RDC PATA support"
 	depends on PCI
@@ -631,15 +563,6 @@ config PATA_RDC
 
 	  If unsure, say N.
 
-config PATA_RZ1000
-	tristate "PC Tech RZ1000 PATA support"
-	depends on PCI
-	help
-	  This option enables basic support for the PC Tech RZ1000/1
-	  PATA controllers via the new ATA layer
-
-	  If unsure, say N.
-
 config PATA_SC1200
 	tristate "SC1200 PATA support"
 	depends on PCI
@@ -649,6 +572,24 @@ config PATA_SC1200
 
 	  If unsure, say N.
 
+config PATA_SCC
+	tristate "Toshiba's Cell Reference Set IDE support"
+	depends on PCI && PPC_CELLEB
+	help
+	  This option enables support for the built-in IDE controller on
+	  Toshiba Cell Reference Board.
+
+	  If unsure, say N.
+
+config PATA_SCH
+	tristate "Intel SCH PATA support"
+	depends on PCI
+	help
+	  This option enables support for Intel SCH PATA on the Intel
+	  SCH (US15W, US15L, UL11L) series host controllers.
+
+	  If unsure, say N.
+
 config PATA_SERVERWORKS
 	tristate "SERVERWORKS OSB4/CSB5/CSB6/HT1000 PATA support"
 	depends on PCI
@@ -683,6 +624,15 @@ config PATA_TOSHIBA
 
 	  If unsure, say N.
 
+config PATA_TRIFLEX
+	tristate "Compaq Triflex PATA support"
+	depends on PCI
+	help
+	  Enable support for the Compaq 'Triflex' IDE controller as found
+	  on many Compaq Pentium-Pro systems, via the new ATA layer.
+
+	  If unsure, say N.
+
 config PATA_VIA
 	tristate "VIA PATA support"
 	depends on PCI
@@ -701,12 +651,99 @@ config PATA_WINBOND
 
 	  If unsure, say N.
 
-config PATA_WINBOND_VLB
-	tristate "Winbond W83759A VLB PATA support (Experimental)"
-	depends on ISA && EXPERIMENTAL
+endif # ATA_BMDMA
+
+comment "PIO-only SFF controllers"
+
+config PATA_AT32
+	tristate "Atmel AVR32 PATA support (Experimental)"
+	depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL
 	help
-	  Support for the Winbond W83759A controller on Vesa Local Bus
-	  systems.
+	  This option enables support for the IDE devices on the
+	  Atmel AT32AP platform.
+
+	  If unsure, say N.
+
+config PATA_AT91
+	tristate "PATA support for AT91SAM9260"
+	depends on ARM && ARCH_AT91
+	help
+	  This option enables support for IDE devices on the Atmel AT91SAM9260 SoC.
+
+	  If unsure, say N.
+
+config PATA_CMD640_PCI
+	tristate "CMD640 PCI PATA support (Experimental)"
+	depends on PCI && EXPERIMENTAL
+	help
+	  This option enables support for the CMD640 PCI IDE
+	  interface chip. Only the primary channel is currently
+	  supported.
+
+	  If unsure, say N.
+
+config PATA_ISAPNP
+	tristate "ISA Plug and Play PATA support"
+	depends on ISAPNP
+	help
+	  This option enables support for ISA plug & play ATA
+	  controllers such as those found on old soundcards.
+
+	  If unsure, say N.
+
+config PATA_IXP4XX_CF
+	tristate "IXP4XX Compact Flash support"
+	depends on ARCH_IXP4XX
+	help
+	  This option enables support for a Compact Flash connected on
+	  the ixp4xx expansion bus. This driver had been written for
+	  Loft/Avila boards in mind but can work with others.
+
+	  If unsure, say N.
+
+config PATA_MPIIX
+	tristate "Intel PATA MPIIX support"
+	depends on PCI
+	help
+	  This option enables support for MPIIX PATA support.
+
+	  If unsure, say N.
+
+config PATA_NS87410
+	tristate "Nat Semi NS87410 PATA support"
+	depends on PCI
+	help
+	  This option enables support for the National Semiconductor
+	  NS87410 PCI-IDE controller.
+
+	  If unsure, say N.
+
+config PATA_OPTI
+	tristate "OPTI621/6215 PATA support (Very Experimental)"
+	depends on PCI && EXPERIMENTAL
+	help
+	  This option enables full PIO support for the early Opti ATA
+	  controllers found on some old motherboards.
+
+	  If unsure, say N.
+
+config PATA_PALMLD
+	tristate "Palm LifeDrive PATA support"
+	depends on MACH_PALMLD
+	help
+	  This option enables support for Palm LifeDrive's internal ATA
+	  port via the new ATA layer.
+
+	  If unsure, say N.
+
+config PATA_PCMCIA
+	tristate "PCMCIA PATA support"
+	depends on PCMCIA
+	help
+	  This option enables support for PCMCIA ATA interfaces, including
+	  compact flash card adapters via the new ATA layer.
+
+	  If unsure, say N.
 
 config HAVE_PATA_PLATFORM
 	bool
@@ -725,14 +762,6 @@ config PATA_PLATFORM
 
 	  If unsure, say N.
 
-config PATA_AT91
-	tristate "PATA support for AT91SAM9260"
-	depends on ARM && ARCH_AT91
-	help
-	  This option enables support for IDE devices on the Atmel AT91SAM9260 SoC.
-
-	  If unsure, say N.
-
 config PATA_OF_PLATFORM
 	tristate "OpenFirmware platform device PATA support"
 	depends on PATA_PLATFORM && PPC_OF
@@ -743,69 +772,65 @@ config PATA_OF_PLATFORM
 
 	  If unsure, say N.
 
-config PATA_ICSIDE
-	tristate "Acorn ICS PATA support"
-	depends on ARM && ARCH_ACORN
+config PATA_QDI
+	tristate "QDI VLB PATA support"
+	depends on ISA
 	help
-	  On Acorn systems, say Y here if you wish to use the ICS PATA
-	  interface card.  This is not required for ICS partition support.
-	  If you are unsure, say N to this.
+	  Support for QDI 6500 and 6580 PATA controllers on VESA local bus.
 
-config PATA_IXP4XX_CF
-	tristate "IXP4XX Compact Flash support"
-	depends on ARCH_IXP4XX
+config PATA_RB532
+	tristate "RouterBoard 532 PATA CompactFlash support"
+	depends on MIKROTIK_RB532
 	help
-	  This option enables support for a Compact Flash connected on
-	  the ixp4xx expansion bus. This driver had been written for
-	  Loft/Avila boards in mind but can work with others.
+	  This option enables support for the RouterBoard 532
+	  PATA CompactFlash controller.
 
 	  If unsure, say N.
 
-config PATA_OCTEON_CF
-	tristate "OCTEON Boot Bus Compact Flash support"
-	depends on CPU_CAVIUM_OCTEON
-	help
-	  This option enables a polled compact flash driver for use with
-	  compact flash cards attached to the OCTEON boot bus.
-
-	  If unsure, say N.
-
-config PATA_SCC
-	tristate "Toshiba's Cell Reference Set IDE support"
-	depends on PCI && PPC_CELLEB
-	help
-	  This option enables support for the built-in IDE controller on
-	  Toshiba Cell Reference Board.
-
-	  If unsure, say N.
-
-config PATA_SCH
-	tristate "Intel SCH PATA support"
+config PATA_RZ1000
+	tristate "PC Tech RZ1000 PATA support"
 	depends on PCI
 	help
-	  This option enables support for Intel SCH PATA on the Intel
-	  SCH (US15W, US15L, UL11L) series host controllers.
+	  This option enables basic support for the PC Tech RZ1000/1
+	  PATA controllers via the new ATA layer
 
 	  If unsure, say N.
 
-config PATA_BF54X
-	tristate "Blackfin 54x ATAPI support"
-	depends on BF542 || BF548 || BF549
+config PATA_WINBOND_VLB
+	tristate "Winbond W83759A VLB PATA support (Experimental)"
+	depends on ISA && EXPERIMENTAL
 	help
-	  This option enables support for the built-in ATAPI controller on
-	  Blackfin 54x family chips.
+	  Support for the Winbond W83759A controller on Vesa Local Bus
+	  systems.
+
+comment "Generic fallback / legacy drivers"
+
+config PATA_ACPI
+	tristate "ACPI firmware driver for PATA"
+	depends on ATA_ACPI && ATA_BMDMA
+	help
+	  This option enables an ACPI method driver which drives
+	  motherboard PATA controller interfaces through the ACPI
+	  firmware in the BIOS. This driver can sometimes handle
+	  otherwise unsupported hardware.
+
+config ATA_GENERIC
+	tristate "Generic ATA support"
+	depends on PCI && ATA_BMDMA
+	help
+	  This option enables support for generic BIOS configured
+	  ATA controllers via the new ATA layer
 
 	  If unsure, say N.
 
-config PATA_MACIO
-	tristate "Apple PowerMac/PowerBook internal 'MacIO' IDE"
-	depends on PPC_PMAC
+config PATA_LEGACY
+	tristate "Legacy ISA PATA support (Experimental)"
+	depends on (ISA || PCI) && EXPERIMENTAL
 	help
-	  Most IDE capable PowerMacs have IDE busses driven by a variant
-          of this controller which is part of the Apple chipset used on
-          most PowerMac models. Some models have multiple busses using
-          different chipsets, though generally, MacIO is one of them.
+	  This option enables support for ISA/VLB/PCI bus legacy PATA
+	  ports and allows them to be accessed via the new ATA layer.
 
+	  If unsure, say N.
 
 endif # ATA_SFF
 endif # ATA
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index d0a93c4ad3e..7ef89d73df6 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -1,33 +1,39 @@
 
 obj-$(CONFIG_ATA)		+= libata.o
 
+# non-SFF interface
 obj-$(CONFIG_SATA_AHCI)		+= ahci.o libahci.o
 obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o
-obj-$(CONFIG_SATA_SVW)		+= sata_svw.o
-obj-$(CONFIG_ATA_PIIX)		+= ata_piix.o
-obj-$(CONFIG_SATA_PROMISE)	+= sata_promise.o
-obj-$(CONFIG_SATA_QSTOR)	+= sata_qstor.o
-obj-$(CONFIG_SATA_SIL)		+= sata_sil.o
+obj-$(CONFIG_SATA_FSL)		+= sata_fsl.o
+obj-$(CONFIG_SATA_INIC162X)	+= sata_inic162x.o
 obj-$(CONFIG_SATA_SIL24)	+= sata_sil24.o
+
+# SFF w/ custom DMA
+obj-$(CONFIG_PDC_ADMA)		+= pdc_adma.o
+obj-$(CONFIG_PATA_MPC52xx)	+= pata_mpc52xx.o
+obj-$(CONFIG_PATA_OCTEON_CF)	+= pata_octeon_cf.o
+obj-$(CONFIG_SATA_QSTOR)	+= sata_qstor.o
+obj-$(CONFIG_SATA_SX4)		+= sata_sx4.o
+
+# SFF SATA w/ BMDMA
+obj-$(CONFIG_ATA_PIIX)		+= ata_piix.o
+obj-$(CONFIG_SATA_MV)		+= sata_mv.o
+obj-$(CONFIG_SATA_NV)		+= sata_nv.o
+obj-$(CONFIG_SATA_PROMISE)	+= sata_promise.o
+obj-$(CONFIG_SATA_SIL)		+= sata_sil.o
+obj-$(CONFIG_SATA_SIS)		+= sata_sis.o
+obj-$(CONFIG_SATA_SVW)		+= sata_svw.o
+obj-$(CONFIG_SATA_ULI)		+= sata_uli.o
 obj-$(CONFIG_SATA_VIA)		+= sata_via.o
 obj-$(CONFIG_SATA_VITESSE)	+= sata_vsc.o
-obj-$(CONFIG_SATA_SIS)		+= sata_sis.o
-obj-$(CONFIG_SATA_SX4)		+= sata_sx4.o
-obj-$(CONFIG_SATA_NV)		+= sata_nv.o
-obj-$(CONFIG_SATA_ULI)		+= sata_uli.o
-obj-$(CONFIG_SATA_MV)		+= sata_mv.o
-obj-$(CONFIG_SATA_INIC162X)	+= sata_inic162x.o
-obj-$(CONFIG_PDC_ADMA)		+= pdc_adma.o
-obj-$(CONFIG_SATA_FSL)		+= sata_fsl.o
-obj-$(CONFIG_PATA_MACIO)	+= pata_macio.o
 
+# SFF PATA w/ BMDMA
 obj-$(CONFIG_PATA_ALI)		+= pata_ali.o
 obj-$(CONFIG_PATA_AMD)		+= pata_amd.o
 obj-$(CONFIG_PATA_ARTOP)	+= pata_artop.o
-obj-$(CONFIG_PATA_ATP867X)	+= pata_atp867x.o
-obj-$(CONFIG_PATA_AT32)		+= pata_at32.o
 obj-$(CONFIG_PATA_ATIIXP)	+= pata_atiixp.o
-obj-$(CONFIG_PATA_CMD640_PCI)	+= pata_cmd640.o
+obj-$(CONFIG_PATA_ATP867X)	+= pata_atp867x.o
+obj-$(CONFIG_PATA_BF54X)	+= pata_bf54x.o
 obj-$(CONFIG_PATA_CMD64X)	+= pata_cmd64x.o
 obj-$(CONFIG_PATA_CS5520)	+= pata_cs5520.o
 obj-$(CONFIG_PATA_CS5530)	+= pata_cs5530.o
@@ -39,47 +45,50 @@ obj-$(CONFIG_PATA_HPT366)	+= pata_hpt366.o
 obj-$(CONFIG_PATA_HPT37X)	+= pata_hpt37x.o
 obj-$(CONFIG_PATA_HPT3X2N)	+= pata_hpt3x2n.o
 obj-$(CONFIG_PATA_HPT3X3)	+= pata_hpt3x3.o
-obj-$(CONFIG_PATA_ISAPNP)	+= pata_isapnp.o
-obj-$(CONFIG_PATA_IT821X)	+= pata_it821x.o
+obj-$(CONFIG_PATA_ICSIDE)	+= pata_icside.o
 obj-$(CONFIG_PATA_IT8213)	+= pata_it8213.o
+obj-$(CONFIG_PATA_IT821X)	+= pata_it821x.o
 obj-$(CONFIG_PATA_JMICRON)	+= pata_jmicron.o
+obj-$(CONFIG_PATA_MACIO)	+= pata_macio.o
+obj-$(CONFIG_PATA_MARVELL)	+= pata_marvell.o
 obj-$(CONFIG_PATA_NETCELL)	+= pata_netcell.o
 obj-$(CONFIG_PATA_NINJA32)	+= pata_ninja32.o
-obj-$(CONFIG_PATA_NS87410)	+= pata_ns87410.o
 obj-$(CONFIG_PATA_NS87415)	+= pata_ns87415.o
-obj-$(CONFIG_PATA_OPTI)		+= pata_opti.o
-obj-$(CONFIG_PATA_OPTIDMA)	+= pata_optidma.o
-obj-$(CONFIG_PATA_MPC52xx)	+= pata_mpc52xx.o
-obj-$(CONFIG_PATA_MARVELL)	+= pata_marvell.o
-obj-$(CONFIG_PATA_MPIIX)	+= pata_mpiix.o
 obj-$(CONFIG_PATA_OLDPIIX)	+= pata_oldpiix.o
-obj-$(CONFIG_PATA_PALMLD)	+= pata_palmld.o
-obj-$(CONFIG_PATA_PCMCIA)	+= pata_pcmcia.o
+obj-$(CONFIG_PATA_OPTIDMA)	+= pata_optidma.o
 obj-$(CONFIG_PATA_PDC2027X)	+= pata_pdc2027x.o
 obj-$(CONFIG_PATA_PDC_OLD)	+= pata_pdc202xx_old.o
-obj-$(CONFIG_PATA_QDI)		+= pata_qdi.o
 obj-$(CONFIG_PATA_RADISYS)	+= pata_radisys.o
-obj-$(CONFIG_PATA_RB532)	+= pata_rb532_cf.o
 obj-$(CONFIG_PATA_RDC)		+= pata_rdc.o
-obj-$(CONFIG_PATA_RZ1000)	+= pata_rz1000.o
 obj-$(CONFIG_PATA_SC1200)	+= pata_sc1200.o
-obj-$(CONFIG_PATA_SERVERWORKS)	+= pata_serverworks.o
-obj-$(CONFIG_PATA_SIL680)	+= pata_sil680.o
-obj-$(CONFIG_PATA_TOSHIBA)	+= pata_piccolo.o
-obj-$(CONFIG_PATA_VIA)		+= pata_via.o
-obj-$(CONFIG_PATA_WINBOND)	+= pata_sl82c105.o
-obj-$(CONFIG_PATA_WINBOND_VLB)	+= pata_winbond.o
-obj-$(CONFIG_PATA_SIS)		+= pata_sis.o
-obj-$(CONFIG_PATA_TRIFLEX)	+= pata_triflex.o
-obj-$(CONFIG_PATA_IXP4XX_CF)	+= pata_ixp4xx_cf.o
 obj-$(CONFIG_PATA_SCC)		+= pata_scc.o
 obj-$(CONFIG_PATA_SCH)		+= pata_sch.o
-obj-$(CONFIG_PATA_BF54X)	+= pata_bf54x.o
-obj-$(CONFIG_PATA_OCTEON_CF)	+= pata_octeon_cf.o
+obj-$(CONFIG_PATA_SERVERWORKS)	+= pata_serverworks.o
+obj-$(CONFIG_PATA_SIL680)	+= pata_sil680.o
+obj-$(CONFIG_PATA_SIS)		+= pata_sis.o
+obj-$(CONFIG_PATA_TOSHIBA)	+= pata_piccolo.o
+obj-$(CONFIG_PATA_TRIFLEX)	+= pata_triflex.o
+obj-$(CONFIG_PATA_VIA)		+= pata_via.o
+obj-$(CONFIG_PATA_WINBOND)	+= pata_sl82c105.o
+
+# SFF PIO only
+obj-$(CONFIG_PATA_AT32)		+= pata_at32.o
+obj-$(CONFIG_PATA_AT91)		+= pata_at91.o
+obj-$(CONFIG_PATA_CMD640_PCI)	+= pata_cmd640.o
+obj-$(CONFIG_PATA_ISAPNP)	+= pata_isapnp.o
+obj-$(CONFIG_PATA_IXP4XX_CF)	+= pata_ixp4xx_cf.o
+obj-$(CONFIG_PATA_MPIIX)	+= pata_mpiix.o
+obj-$(CONFIG_PATA_NS87410)	+= pata_ns87410.o
+obj-$(CONFIG_PATA_OPTI)		+= pata_opti.o
+obj-$(CONFIG_PATA_PCMCIA)	+= pata_pcmcia.o
+obj-$(CONFIG_PATA_PALMLD)	+= pata_palmld.o
 obj-$(CONFIG_PATA_PLATFORM)	+= pata_platform.o
-obj-$(CONFIG_PATA_AT91)	+= pata_at91.o
 obj-$(CONFIG_PATA_OF_PLATFORM)	+= pata_of_platform.o
-obj-$(CONFIG_PATA_ICSIDE)	+= pata_icside.o
+obj-$(CONFIG_PATA_QDI)		+= pata_qdi.o
+obj-$(CONFIG_PATA_RB532)	+= pata_rb532_cf.o
+obj-$(CONFIG_PATA_RZ1000)	+= pata_rz1000.o
+obj-$(CONFIG_PATA_WINBOND_VLB)	+= pata_winbond.o
+
 # Should be last but two libata driver
 obj-$(CONFIG_PATA_ACPI)		+= pata_acpi.o
 # Should be last but one libata driver
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index c29f1468e16..efa4a18cfb9 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -798,11 +798,15 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
 	case ATAPI_PROT_NODATA:
 		ap->hsm_task_state = HSM_ST_LAST;
 		break;
+#ifdef CONFIG_ATA_BMDMA
 	case ATAPI_PROT_DMA:
 		ap->hsm_task_state = HSM_ST_LAST;
 		/* initiate bmdma */
 		ap->ops->bmdma_start(qc);
 		break;
+#endif /* CONFIG_ATA_BMDMA */
+	default:
+		BUG();
 	}
 }
 
@@ -2535,6 +2539,12 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_init_one);
 
 #endif /* CONFIG_PCI */
 
+/*
+ *	BMDMA support
+ */
+
+#ifdef CONFIG_ATA_BMDMA
+
 const struct ata_port_operations ata_bmdma_port_ops = {
 	.inherits		= &ata_sff_port_ops,
 
@@ -3287,6 +3297,7 @@ int ata_pci_bmdma_init_one(struct pci_dev *pdev,
 EXPORT_SYMBOL_GPL(ata_pci_bmdma_init_one);
 
 #endif /* CONFIG_PCI */
+#endif /* CONFIG_ATA_BMDMA */
 
 /**
  *	ata_sff_port_init - Initialize SFF/BMDMA ATA port
diff --git a/include/linux/libata.h b/include/linux/libata.h
index fe2be88bc26..4c5eca4e663 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -513,7 +513,9 @@ struct ata_ioports {
 	void __iomem		*command_addr;
 	void __iomem		*altstatus_addr;
 	void __iomem		*ctl_addr;
+#ifdef CONFIG_ATA_BMDMA
 	void __iomem		*bmdma_addr;
+#endif /* CONFIG_ATA_BMDMA */
 	void __iomem		*scr_addr;
 };
 #endif /* CONFIG_ATA_SFF */
@@ -721,8 +723,10 @@ struct ata_port {
 	u8			ctl;	/* cache of ATA control register */
 	u8			last_ctl;	/* Cache last written value */
 	struct delayed_work	sff_pio_task;
+#ifdef CONFIG_ATA_BMDMA
 	struct ata_bmdma_prd	*bmdma_prd;	/* BMDMA SG list */
 	dma_addr_t		bmdma_prd_dma;	/* and its DMA mapping */
+#endif /* CONFIG_ATA_BMDMA */
 #endif /* CONFIG_ATA_SFF */
 
 	unsigned int		pio_mask;
@@ -856,10 +860,12 @@ struct ata_port_operations {
 	void (*sff_irq_clear)(struct ata_port *);
 	void (*sff_drain_fifo)(struct ata_queued_cmd *qc);
 
+#ifdef CONFIG_ATA_BMDMA
 	void (*bmdma_setup)(struct ata_queued_cmd *qc);
 	void (*bmdma_start)(struct ata_queued_cmd *qc);
 	void (*bmdma_stop)(struct ata_queued_cmd *qc);
 	u8   (*bmdma_status)(struct ata_port *ap);
+#endif /* CONFIG_ATA_BMDMA */
 #endif /* CONFIG_ATA_SFF */
 
 	ssize_t (*em_show)(struct ata_port *ap, char *buf);
@@ -1555,7 +1561,6 @@ extern void sata_pmp_error_handler(struct ata_port *ap);
 #ifdef CONFIG_ATA_SFF
 
 extern const struct ata_port_operations ata_sff_port_ops;
-extern const struct ata_port_operations ata_bmdma_port_ops;
 extern const struct ata_port_operations ata_bmdma32_port_ops;
 
 /* PIO only, sg_tablesize and dma_boundary limits can be removed */
@@ -1564,11 +1569,6 @@ extern const struct ata_port_operations ata_bmdma32_port_ops;
 	.sg_tablesize		= LIBATA_MAX_PRD,		\
 	.dma_boundary		= ATA_DMA_BOUNDARY
 
-#define ATA_BMDMA_SHT(drv_name)					\
-	ATA_BASE_SHT(drv_name),					\
-	.sg_tablesize		= LIBATA_MAX_PRD,		\
-	.dma_boundary		= ATA_DMA_BOUNDARY
-
 extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
 extern u8 ata_sff_check_status(struct ata_port *ap);
 extern void ata_sff_pause(struct ata_port *ap);
@@ -1625,6 +1625,15 @@ extern int ata_pci_sff_init_one(struct pci_dev *pdev,
 		struct scsi_host_template *sht, void *host_priv, int hflags);
 #endif /* CONFIG_PCI */
 
+#ifdef CONFIG_ATA_BMDMA
+
+extern const struct ata_port_operations ata_bmdma_port_ops;
+
+#define ATA_BMDMA_SHT(drv_name)					\
+	ATA_BASE_SHT(drv_name),					\
+	.sg_tablesize		= LIBATA_MAX_PRD,		\
+	.dma_boundary		= ATA_DMA_BOUNDARY
+
 extern void ata_bmdma_qc_prep(struct ata_queued_cmd *qc);
 extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc);
 extern void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
@@ -1652,6 +1661,7 @@ extern int ata_pci_bmdma_init_one(struct pci_dev *pdev,
 				  struct scsi_host_template *sht,
 				  void *host_priv, int hflags);
 #endif /* CONFIG_PCI */
+#endif /* CONFIG_ATA_BMDMA */
 
 /**
  *	ata_sff_busy_wait - Wait for a port status register

From e7ecd435692ca9bde9d124be30b3a26e672ea6c2 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 19 May 2010 15:38:58 +0200
Subject: [PATCH 3139/3638] libata: disable ATAPI AN by default

There are ATAPI devices which raise AN when hit by commands issued by
open().  This leads to infinite loop of AN -> MEDIA_CHANGE uevent ->
udev open() to check media -> AN.

Both ACS and SerialATA standards don't define in which case ATAPI
devices are supposed to raise or not raise AN.  They both list media
insertion event as a possible use case for ATAPI ANs but there is no
clear description of what constitutes such events.  As such, it seems
a bit too naive to export ANs directly to userland as MEDIA_CHANGE
events without further verification (which should behave similarly to
windows as it apparently is the only thing that some hardware vendors
are testing against).

This patch adds libata.atapi_an module parameter and disables ATAPI AN
by default for now.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Nick Bowler <nbowler@elliptictech.com>
Cc: David Zeuthen <david@fubar.dk>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-core.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c47373f01f8..8959f42c5b3 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -160,6 +160,10 @@ int libata_allow_tpm = 0;
 module_param_named(allow_tpm, libata_allow_tpm, int, 0444);
 MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands (0=off [default], 1=on)");
 
+static int atapi_an;
+module_param(atapi_an, int, 0444);
+MODULE_PARM_DESC(atapi_an, "Enable ATAPI AN media presence notification (0=0ff [default], 1=on)");
+
 MODULE_AUTHOR("Jeff Garzik");
 MODULE_DESCRIPTION("Library module for ATA devices");
 MODULE_LICENSE("GPL");
@@ -2510,7 +2514,8 @@ int ata_dev_configure(struct ata_device *dev)
 		 * to enable ATAPI AN to discern between PHY status
 		 * changed notifications and ATAPI ANs.
 		 */
-		if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) &&
+		if (atapi_an &&
+		    (ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) &&
 		    (!sata_pmp_attached(ap) ||
 		     sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) {
 			unsigned int err_mask;

From 43c9c59185eec7caaff6e9dd8d4c93a4d9836a86 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sun, 23 May 2010 12:59:11 +0200
Subject: [PATCH 3140/3638] libata: implement dump_id force param

Add dump_id libata.force parameter.  If specified, libata dumps full
IDENTIFY data during device configuration.  This is to aid debugging.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Larry Baker <baker@usgs.gov>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 Documentation/kernel-parameters.txt | 2 ++
 drivers/ata/libata-core.c           | 9 +++++++++
 include/linux/libata.h              | 1 +
 3 files changed, 12 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b56ea860da2..a5c05506676 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1252,6 +1252,8 @@ and is between 256 and 4096 characters. It is defined in the file
 			* nohrst, nosrst, norst: suppress hard, soft
                           and both resets.
 
+			* dump_id: dump IDENTIFY data.
+
 			If there are multiple matching configurations changing
 			the same attribute, the last one is used.
 
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 8959f42c5b3..06b7e49e039 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2126,6 +2126,14 @@ retry:
 		goto err_out;
 	}
 
+	if (dev->horkage & ATA_HORKAGE_DUMP_ID) {
+		ata_dev_printk(dev, KERN_DEBUG, "dumping IDENTIFY data, "
+			       "class=%d may_fallback=%d tried_spinup=%d\n",
+			       class, may_fallback, tried_spinup);
+		print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET,
+			       16, 2, id, ATA_ID_WORDS * sizeof(*id), true);
+	}
+
 	/* Falling back doesn't make sense if ID data was read
 	 * successfully at least once.
 	 */
@@ -6377,6 +6385,7 @@ static int __init ata_parse_force_one(char **cur,
 		{ "3.0Gbps",	.spd_limit	= 2 },
 		{ "noncq",	.horkage_on	= ATA_HORKAGE_NONCQ },
 		{ "ncq",	.horkage_off	= ATA_HORKAGE_NONCQ },
+		{ "dump_id",	.horkage_on	= ATA_HORKAGE_DUMP_ID },
 		{ "pio0",	.xfer_mask	= 1 << (ATA_SHIFT_PIO + 0) },
 		{ "pio1",	.xfer_mask	= 1 << (ATA_SHIFT_PIO + 1) },
 		{ "pio2",	.xfer_mask	= 1 << (ATA_SHIFT_PIO + 2) },
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 4c5eca4e663..3bad2701bfa 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -386,6 +386,7 @@ enum {
 	ATA_HORKAGE_1_5_GBPS	= (1 << 13),	/* force 1.5 Gbps */
 	ATA_HORKAGE_NOSETXFER	= (1 << 14),	/* skip SETXFER, SATA only */
 	ATA_HORKAGE_BROKEN_FPDMA_AA	= (1 << 15),	/* skip AA */
+	ATA_HORKAGE_DUMP_ID	= (1 << 16),	/* dump IDENTIFY data */
 
 	 /* DMA mask for user DMA control: User visible values; DO NOT
 	    renumber */

From 218ce7351413b8287a80fab1d7b94906a5559f01 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 25 May 2010 16:48:30 -0700
Subject: [PATCH 3141/3638] Revert "module: drop the lock while waiting for
 module to complete initialization."

This reverts commit 480b02df3aa9f07d1c7df0cd8be7a5ca73893455, since
Rafael reports that it causes occasional kernel paging request faults in
load_module().

Dropping the module lock and re-taking it deep in the call-chain is
definitely not the right thing to do.  That just turns the mutex from a
lock into a "random non-locking data structure" that doesn't actually
protect what it's supposed to protect.

Requested-and-tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Brandon Philips <brandon@ifup.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/module.c | 57 ++++++++++++++++++-------------------------------
 1 file changed, 21 insertions(+), 36 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index 625985e70e9..333fbcc9697 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -563,26 +563,33 @@ int use_module(struct module *a, struct module *b)
 	struct module_use *use;
 	int no_warn, err;
 
-	if (b == NULL || already_uses(a, b))
-		return 0;
+	if (b == NULL || already_uses(a, b)) return 1;
 
 	/* If we're interrupted or time out, we fail. */
-	err = strong_try_module_get(b);
+	if (wait_event_interruptible_timeout(
+		    module_wq, (err = strong_try_module_get(b)) != -EBUSY,
+		    30 * HZ) <= 0) {
+		printk("%s: gave up waiting for init of module %s.\n",
+		       a->name, b->name);
+		return 0;
+	}
+
+	/* If strong_try_module_get() returned a different error, we fail. */
 	if (err)
-		return err;
+		return 0;
 
 	DEBUGP("Allocating new usage for %s.\n", a->name);
 	use = kmalloc(sizeof(*use), GFP_ATOMIC);
 	if (!use) {
 		printk("%s: out of memory loading\n", a->name);
 		module_put(b);
-		return -ENOMEM;
+		return 0;
 	}
 
 	use->module_which_uses = a;
 	list_add(&use->list, &b->modules_which_use_me);
 	no_warn = sysfs_create_link(b->holders_dir, &a->mkobj.kobj, a->name);
-	return 0;
+	return 1;
 }
 EXPORT_SYMBOL_GPL(use_module);
 
@@ -875,7 +882,7 @@ static inline void module_unload_free(struct module *mod)
 
 int use_module(struct module *a, struct module *b)
 {
-	return strong_try_module_get(b);
+	return strong_try_module_get(b) == 0;
 }
 EXPORT_SYMBOL_GPL(use_module);
 
@@ -1046,39 +1053,17 @@ static const struct kernel_symbol *resolve_symbol(Elf_Shdr *sechdrs,
 	struct module *owner;
 	const struct kernel_symbol *sym;
 	const unsigned long *crc;
-	DEFINE_WAIT(wait);
-	int err;
-	long timeleft = 30 * HZ;
 
-again:
 	sym = find_symbol(name, &owner, &crc,
 			  !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), true);
-	if (!sym)
-		return NULL;
-
-	if (!check_version(sechdrs, versindex, name, mod, crc, owner))
-		return NULL;
-
-	prepare_to_wait(&module_wq, &wait, TASK_INTERRUPTIBLE);
-	err = use_module(mod, owner);
-	if (likely(!err) || err != -EBUSY || signal_pending(current)) {
-		finish_wait(&module_wq, &wait);
-		return err ? NULL : sym;
+	/* use_module can fail due to OOM,
+	   or module initialization or unloading */
+	if (sym) {
+		if (!check_version(sechdrs, versindex, name, mod, crc, owner)
+		    || !use_module(mod, owner))
+			sym = NULL;
 	}
-
-	/* Module is still loading.  Drop lock and wait. */
-	mutex_unlock(&module_mutex);
-	timeleft = schedule_timeout(timeleft);
-	mutex_lock(&module_mutex);
-	finish_wait(&module_wq, &wait);
-
-	/* Module might be gone entirely, or replaced.  Re-lookup. */
-	if (timeleft)
-		goto again;
-
-	printk(KERN_WARNING "%s: gave up waiting for init of module %s.\n",
-	       mod->name, owner->name);
-	return NULL;
+	return sym;
 }
 
 /*

From 899f4530334da9292556e1f8f5791468e0136ff1 Mon Sep 17 00:00:00 2001
From: Phillip Lougher <phillip@lougher.demon.co.uk>
Date: Tue, 25 May 2010 02:47:00 +0100
Subject: [PATCH 3142/3638] squashfs: update documentation to include
 description of xattr layout

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
---
 Documentation/filesystems/squashfs.txt | 32 ++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 5 deletions(-)

diff --git a/Documentation/filesystems/squashfs.txt b/Documentation/filesystems/squashfs.txt
index b324c033035..203f7202cc9 100644
--- a/Documentation/filesystems/squashfs.txt
+++ b/Documentation/filesystems/squashfs.txt
@@ -38,7 +38,8 @@ Hard link support:		yes			no
 Real inode numbers:		yes			no
 32-bit uids/gids:		yes			no
 File creation time:		yes			no
-Xattr and ACL support:		no			no
+Xattr support:			yes			no
+ACL support:			no			no
 
 Squashfs compresses data, inodes and directories.  In addition, inode and
 directory data are highly compacted, and packed on byte boundaries.  Each
@@ -58,7 +59,7 @@ obtained from this site also.
 3. SQUASHFS FILESYSTEM DESIGN
 -----------------------------
 
-A squashfs filesystem consists of seven parts, packed together on a byte
+A squashfs filesystem consists of a maximum of eight parts, packed together on a byte
 alignment:
 
 	 ---------------
@@ -80,6 +81,9 @@ alignment:
 	|---------------|
 	|    uid/gid	|
 	|  lookup table	|
+	|---------------|
+	|     xattr     |
+	|     table	|
 	 ---------------
 
 Compressed data blocks are written to the filesystem as files are read from
@@ -192,6 +196,26 @@ This table is stored compressed into metadata blocks.  A second index table is
 used to locate these.  This second index table for speed of access (and because
 it is small) is read at mount time and cached in memory.
 
+3.7 Xattr table
+---------------
+
+The xattr table contains extended attributes for each inode.  The xattrs
+for each inode are stored in a list, each list entry containing a type,
+name and value field.  The type field encodes the xattr prefix
+("user.", "trusted." etc) and it also encodes how the name/value fields
+should be interpreted.  Currently the type indicates whether the value
+is stored inline (in which case the value field contains the xattr value),
+or if it is stored out of line (in which case the value field stores a
+reference to where the actual value is stored).  This allows large values
+to be stored out of line improving scanning and lookup performance and it
+also allows values to be de-duplicated, the value being stored once, and
+all other occurences holding an out of line reference to that value.
+
+The xattr lists are packed into compressed 8K metadata blocks.
+To reduce overhead in inodes, rather than storing the on-disk
+location of the xattr list inside each inode, a 32-bit xattr id
+is stored.  This xattr id is mapped into the location of the xattr
+list using a second xattr id lookup table.
 
 4. TODOS AND OUTSTANDING ISSUES
 -------------------------------
@@ -199,9 +223,7 @@ it is small) is read at mount time and cached in memory.
 4.1 Todo list
 -------------
 
-Implement Xattr and ACL support.  The Squashfs 4.0 filesystem layout has hooks
-for these but the code has not been written.  Once the code has been written
-the existing layout should not require modification.
+Implement ACL support.
 
 4.2 Squashfs internal cache
 ---------------------------

From 921d98b58285805d792257e311da9e920eb5d73e Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Wed, 26 May 2010 10:27:44 +1000
Subject: [PATCH 3143/3638] drm/radeon/kms: suppress a build warning (unused
 variable)

At least 'make CONFIG_DEBUG_SECTION_MISMATCH=y' causes
drivers/gpu/drm/radeon/atombios_crtc.c: In function 'atombios_crtc_set_pll':
drivers/gpu/drm/radeon/atombios_crtc.c:684: warning: 'pll' may be used uninitialized in this function
which has the looks of a falso positive.

Add a default: case so that gcc rests assured that all possible pll_id's are covered.
Keep the present cases that fall through to the default one for self-documentation.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 03dd6c41dc1..f3f2827017e 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -707,6 +707,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
 		break;
 	case ATOM_DCPLL:
 	case ATOM_PPLL_INVALID:
+	default:
 		pll = &rdev->clock.dcpll;
 		break;
 	}

From 4a638b4e38234233f5c7e6705662fbc0b58d80c2 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Tue, 25 May 2010 16:33:09 -0400
Subject: [PATCH 3144/3638] drm/edid: Allow non-fatal checksum errors in CEA
 blocks

Switches will try to update the topology address and not correctly fix
up the checksum, so just let it slide.

https://bugs.freedesktop.org/28229

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_edid.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index f569ae88ab3..c1981861bbb 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -147,7 +147,10 @@ drm_edid_block_valid(u8 *raw_edid)
 		csum += raw_edid[i];
 	if (csum) {
 		DRM_ERROR("EDID checksum is invalid, remainder is %d\n", csum);
-		goto bad;
+
+		/* allow CEA to slide through, switches mangle this */
+		if (raw_edid[0] != 0x02)
+			goto bad;
 	}
 
 	/* per-block-type checks */

From 4845e44ffdb26be9b25610664228e8ecaf949a0d Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 25 May 2010 20:56:50 -0400
Subject: [PATCH 3145/3638] Btrfs: rework O_DIRECT enospc handling

This changes O_DIRECT write code to mark extents as delalloc
while it is processing them.  Yan Zheng has reworked the
enospc accounting based on tracking delalloc extents and
this makes it much easier to track enospc in the O_DIRECT code.

There are a few space cases with the O_DIRECT code though,
it only sets the EXTENT_DELALLOC bits, instead of doing
EXTENT_DELALLOC | EXTENT_DIRTY | EXTENT_UPTODATE, because
we don't want to mess with clearing the dirty and uptodate
bits when things go wrong.  This is important because there
are no pages in the page cache, so any extent state structs
that we put in the tree won't get freed by releasepage.  We have
to clear them ourselves as the DIO ends.

With this commit, we reserve space at in btrfs_file_aio_write,
and then as each btrfs_direct_IO call progresses it sets
EXTENT_DELALLOC on the range.

btrfs_get_blocks_direct is responsible for clearing the delalloc
at the same time it drops the extent lock.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent_io.c |  9 ++++----
 fs/btrfs/extent_io.h |  4 ++++
 fs/btrfs/file.c      | 14 ------------
 fs/btrfs/inode.c     | 52 ++++++++++++++++++++++++++++++++++----------
 4 files changed, 49 insertions(+), 30 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 15392af21bf..a4080c21ec5 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -135,7 +135,7 @@ static struct extent_state *alloc_extent_state(gfp_t mask)
 	return state;
 }
 
-static void free_extent_state(struct extent_state *state)
+void free_extent_state(struct extent_state *state)
 {
 	if (!state)
 		return;
@@ -745,10 +745,9 @@ static void cache_state(struct extent_state *state,
  * [start, end] is inclusive This takes the tree lock.
  */
 
-static int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-			  int bits, int exclusive_bits, u64 *failed_start,
-			  struct extent_state **cached_state,
-			  gfp_t mask)
+int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
+		   int bits, int exclusive_bits, u64 *failed_start,
+		   struct extent_state **cached_state, gfp_t mask)
 {
 	struct extent_state *state;
 	struct extent_state *prealloc = NULL;
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 86c7b341d07..5691c7b590d 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -178,6 +178,7 @@ u64 count_range_bits(struct extent_io_tree *tree,
 		     u64 *start, u64 search_end,
 		     u64 max_bytes, unsigned long bits);
 
+void free_extent_state(struct extent_state *state);
 int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
 		   int bits, int filled, struct extent_state *cached_state);
 int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
@@ -187,6 +188,9 @@ int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
 		     gfp_t mask);
 int set_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
 		    int bits, gfp_t mask);
+int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
+		   int bits, int exclusive_bits, u64 *failed_start,
+		   struct extent_state **cached_state, gfp_t mask);
 int set_extent_uptodate(struct extent_io_tree *tree, u64 start, u64 end,
 			gfp_t mask);
 int set_extent_new(struct extent_io_tree *tree, u64 start, u64 end,
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 233aea2e5ef..54556cae449 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -909,13 +909,6 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 		}
 
 		if (num_written < 0) {
-			if (num_written != -EIOCBQUEUED) {
-				/*
-				 * aio land will take care of releasing the
-				 * delalloc
-				 */
-				btrfs_delalloc_release_space(inode, count);
-			}
 			ret = num_written;
 			num_written = 0;
 			goto out;
@@ -924,13 +917,6 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 			pos = *ppos;
 			goto out;
 		}
-
-		/*
-		 * the buffered IO will reserve bytes for the rest of the
-		 * range, don't double count them here
-		 */
-		btrfs_delalloc_release_space(inode, count - num_written);
-
 		/*
 		 * We are going to do buffered for the rest of the range, so we
 		 * need to make sure to invalidate the buffered pages when we're
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 13a4aa22286..00aefbdcc2d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5327,8 +5327,9 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
 			return PTR_ERR(em);
 		len = min(len, em->block_len);
 	}
-	unlock_extent(&BTRFS_I(inode)->io_tree, start, start + len - 1,
-		      GFP_NOFS);
+	clear_extent_bit(&BTRFS_I(inode)->io_tree, start, start + len - 1,
+			  EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DIRTY, 1,
+			  0, NULL, GFP_NOFS);
 map:
 	bh_result->b_blocknr = (em->block_start + (start - em->start)) >>
 		inode->i_blkbits;
@@ -5596,14 +5597,18 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = file->f_mapping->host;
 	struct btrfs_ordered_extent *ordered;
+	struct extent_state *cached_state = NULL;
 	u64 lockstart, lockend;
 	ssize_t ret;
+	int writing = rw & WRITE;
+	int write_bits = 0;
 
 	lockstart = offset;
 	lockend = offset + iov_length(iov, nr_segs) - 1;
+
 	while (1) {
-		lock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,
-			    GFP_NOFS);
+		lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,
+				 0, &cached_state, GFP_NOFS);
 		/*
 		 * We're concerned with the entire range that we're going to be
 		 * doing DIO to, so we need to make sure theres no ordered
@@ -5613,29 +5618,54 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
 						     lockend - lockstart + 1);
 		if (!ordered)
 			break;
-		unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend,
-			      GFP_NOFS);
+		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,
+				     &cached_state, GFP_NOFS);
 		btrfs_start_ordered_extent(inode, ordered, 1);
 		btrfs_put_ordered_extent(ordered);
 		cond_resched();
 	}
 
+	/*
+	 * we don't use btrfs_set_extent_delalloc because we don't want
+	 * the dirty or uptodate bits
+	 */
+	if (writing) {
+		write_bits = EXTENT_DELALLOC | EXTENT_DO_ACCOUNTING;
+		ret = set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart, lockend,
+				     EXTENT_DELALLOC, 0, NULL, &cached_state,
+				     GFP_NOFS);
+		if (ret) {
+			clear_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,
+					 lockend, EXTENT_LOCKED | write_bits,
+					 1, 0, &cached_state, GFP_NOFS);
+			goto out;
+		}
+	}
+
+	free_extent_state(cached_state);
+	cached_state = NULL;
+
 	ret = __blockdev_direct_IO(rw, iocb, inode, NULL, iov, offset, nr_segs,
 				   btrfs_get_blocks_direct, NULL,
 				   btrfs_submit_direct, 0);
 
 	if (ret < 0 && ret != -EIOCBQUEUED) {
-		unlock_extent(&BTRFS_I(inode)->io_tree, offset,
-			      offset + iov_length(iov, nr_segs) - 1, GFP_NOFS);
+		clear_extent_bit(&BTRFS_I(inode)->io_tree, offset,
+			      offset + iov_length(iov, nr_segs) - 1,
+			      EXTENT_LOCKED | write_bits, 1, 0,
+			      &cached_state, GFP_NOFS);
 	} else if (ret >= 0 && ret < iov_length(iov, nr_segs)) {
 		/*
 		 * We're falling back to buffered, unlock the section we didn't
 		 * do IO on.
 		 */
-		unlock_extent(&BTRFS_I(inode)->io_tree, offset + ret,
-			      offset + iov_length(iov, nr_segs) - 1, GFP_NOFS);
+		clear_extent_bit(&BTRFS_I(inode)->io_tree, offset + ret,
+			      offset + iov_length(iov, nr_segs) - 1,
+			      EXTENT_LOCKED | write_bits, 1, 0,
+			      &cached_state, GFP_NOFS);
 	}
-
+out:
+	free_extent_state(cached_state);
 	return ret;
 }
 

From 2101d6f7ac791e87a274371a07a408f74e40ec49 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Mon, 24 May 2010 12:14:15 -0700
Subject: [PATCH 3146/3638] agp: amd64, fix pci reference leaks

Stanse found pci reference leaks in uli_agp_init and nforce3_agp_init
initialization functions.

The PCI devices are bridges, so it's not critical, but still worth fixing.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/char/agp/amd64-agp.c | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 67ea3a60de7..70312da4c96 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -384,7 +384,7 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
 {
 	u32 httfea,baseaddr,enuscr;
 	struct pci_dev *dev1;
-	int i;
+	int i, ret;
 	unsigned size = amd64_fetch_size();
 
 	dev_info(&pdev->dev, "setting up ULi AGP\n");
@@ -400,15 +400,18 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
 
 	if (i == ARRAY_SIZE(uli_sizes)) {
 		dev_info(&pdev->dev, "no ULi size found for %d\n", size);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto put;
 	}
 
 	/* shadow x86-64 registers into ULi registers */
 	pci_read_config_dword (k8_northbridges[0], AMD64_GARTAPERTUREBASE, &httfea);
 
 	/* if x86-64 aperture base is beyond 4G, exit here */
-	if ((httfea & 0x7fff) >> (32 - 25))
-		return -ENODEV;
+	if ((httfea & 0x7fff) >> (32 - 25)) {
+		ret = -ENODEV;
+		goto put;
+	}
 
 	httfea = (httfea& 0x7fff) << 25;
 
@@ -420,9 +423,10 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
 	enuscr= httfea+ (size * 1024 * 1024) - 1;
 	pci_write_config_dword(dev1, ULI_X86_64_HTT_FEA_REG, httfea);
 	pci_write_config_dword(dev1, ULI_X86_64_ENU_SCR_REG, enuscr);
-
+	ret = 0;
+put:
 	pci_dev_put(dev1);
-	return 0;
+	return ret;
 }
 
 
@@ -441,7 +445,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
 {
 	u32 tmp, apbase, apbar, aplimit;
 	struct pci_dev *dev1;
-	int i;
+	int i, ret;
 	unsigned size = amd64_fetch_size();
 
 	dev_info(&pdev->dev, "setting up Nforce3 AGP\n");
@@ -458,7 +462,8 @@ static int nforce3_agp_init(struct pci_dev *pdev)
 
 	if (i == ARRAY_SIZE(nforce3_sizes)) {
 		dev_info(&pdev->dev, "no NForce3 size found for %d\n", size);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto put;
 	}
 
 	pci_read_config_dword(dev1, NVIDIA_X86_64_1_APSIZE, &tmp);
@@ -472,7 +477,8 @@ static int nforce3_agp_init(struct pci_dev *pdev)
 	/* if x86-64 aperture base is beyond 4G, exit here */
 	if ( (apbase & 0x7fff) >> (32 - 25) ) {
 		dev_info(&pdev->dev, "aperture base > 4G\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto put;
 	}
 
 	apbase = (apbase & 0x7fff) << 25;
@@ -488,9 +494,11 @@ static int nforce3_agp_init(struct pci_dev *pdev)
 	pci_write_config_dword(dev1, NVIDIA_X86_64_1_APBASE2, apbase);
 	pci_write_config_dword(dev1, NVIDIA_X86_64_1_APLIMIT2, aplimit);
 
+	ret = 0;
+put:
 	pci_dev_put(dev1);
 
-	return 0;
+	return ret;
 }
 
 static int __devinit agp_amd64_probe(struct pci_dev *pdev,

From 7e3a1f4ab1a550dd6cf62a23aabedbad0d23e2d7 Mon Sep 17 00:00:00 2001
From: Ralph Campbell <ralph.campbell@qlogic.com>
Date: Tue, 25 May 2010 12:22:33 -0700
Subject: [PATCH 3147/3638] IB/qib: Fix undefined symbol error when
 CONFIG_PCI_MSI=n

This patch fixes a compile error saying qib_init_iba6120_funcs() is
undefined when CONFIG_PCI_MSI is not defined.  Thanks to Randy Dunlap
<randy.dunlap@oracle.com> for finding this and suggesting the fix.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/qib/qib_iba6120.c | 12 ------------
 drivers/infiniband/hw/qib/qib_init.c    |  6 ++++++
 2 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index 7b6549fd429..1eadadc13da 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -3475,14 +3475,6 @@ struct qib_devdata *qib_init_iba6120_funcs(struct pci_dev *pdev,
 	struct qib_devdata *dd;
 	int ret;
 
-#ifndef CONFIG_PCI_MSI
-	qib_early_err(&pdev->dev, "QLogic PCIE device 0x%x cannot "
-	      "work if CONFIG_PCI_MSI is not enabled\n",
-	      ent->device);
-	dd = ERR_PTR(-ENODEV);
-	goto bail;
-#endif
-
 	dd = qib_alloc_devdata(pdev, sizeof(struct qib_pportdata) +
 			       sizeof(struct qib_chip_specific));
 	if (IS_ERR(dd))
@@ -3554,10 +3546,6 @@ struct qib_devdata *qib_init_iba6120_funcs(struct pci_dev *pdev,
 	if (qib_mini_init)
 		goto bail;
 
-#ifndef CONFIG_PCI_MSI
-	qib_dev_err(dd, "PCI_MSI not configured, NO interrupts\n");
-#endif
-
 	if (qib_pcie_params(dd, 8, NULL, NULL))
 		qib_dev_err(dd, "Failed to setup PCIe or interrupts; "
 			    "continuing anyway\n");
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index c0139c07e97..9b40f345ac3 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -1237,7 +1237,13 @@ static int __devinit qib_init_one(struct pci_dev *pdev,
 	 */
 	switch (ent->device) {
 	case PCI_DEVICE_ID_QLOGIC_IB_6120:
+#ifdef CONFIG_PCI_MSI
 		dd = qib_init_iba6120_funcs(pdev, ent);
+#else
+		qib_early_err(&pdev->dev, "QLogic PCIE device 0x%x cannot "
+		      "work if CONFIG_PCI_MSI is not enabled\n",
+		      ent->device);
+#endif
 		break;
 
 	case PCI_DEVICE_ID_QLOGIC_IB_7220:

From e642df6a0be93316c0a886766057c4cc510c123d Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 22 May 2010 10:21:27 +0200
Subject: [PATCH 3148/3638] IB/ucm: Use memdup_user()

Use memdup_user when user data is immediately copied into the
allocated region.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = memdup_user(from,size);
   if (
-      to==NULL
+      IS_ERR(to)
                 || ...) {
   <+... when != goto l1;
-  -ENOMEM
+  PTR_ERR(to)
   ...+>
   }
-  if (copy_from_user(to, from, size) != 0) {
-    <+... when != goto l2;
-    -EFAULT
-    ...+>
-  }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
---
 drivers/infiniband/core/ucm.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 46474842cfe..08f948df8fa 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -706,14 +706,9 @@ static int ib_ucm_alloc_data(const void **dest, u64 src, u32 len)
 	if (!len)
 		return 0;
 
-	data = kmalloc(len, GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	if (copy_from_user(data, (void __user *)(unsigned long)src, len)) {
-		kfree(data);
-		return -EFAULT;
-	}
+	data = memdup_user((void __user *)(unsigned long)src, len);
+	if (IS_ERR(data))
+		return PTR_ERR(data);
 
 	*dest = data;
 	return 0;

From 51921cb746f56983db5a373ca68deb2b0d3ddf01 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Wed, 26 May 2010 08:44:22 +0200
Subject: [PATCH 3149/3638] mm: export generic_pipe_buf_*() to modules

This is needed by fuse device code which wants to create pipe buffers.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/pipe.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/pipe.c b/fs/pipe.c
index d79872eba09..8912fa8f166 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -230,6 +230,7 @@ void *generic_pipe_buf_map(struct pipe_inode_info *pipe,
 
 	return kmap(buf->page);
 }
+EXPORT_SYMBOL(generic_pipe_buf_map);
 
 /**
  * generic_pipe_buf_unmap - unmap a previously mapped pipe buffer
@@ -249,6 +250,7 @@ void generic_pipe_buf_unmap(struct pipe_inode_info *pipe,
 	} else
 		kunmap(buf->page);
 }
+EXPORT_SYMBOL(generic_pipe_buf_unmap);
 
 /**
  * generic_pipe_buf_steal - attempt to take ownership of a &pipe_buffer
@@ -279,6 +281,7 @@ int generic_pipe_buf_steal(struct pipe_inode_info *pipe,
 
 	return 1;
 }
+EXPORT_SYMBOL(generic_pipe_buf_steal);
 
 /**
  * generic_pipe_buf_get - get a reference to a &struct pipe_buffer
@@ -294,6 +297,7 @@ void generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
 {
 	page_cache_get(buf->page);
 }
+EXPORT_SYMBOL(generic_pipe_buf_get);
 
 /**
  * generic_pipe_buf_confirm - verify contents of the pipe buffer
@@ -309,6 +313,7 @@ int generic_pipe_buf_confirm(struct pipe_inode_info *info,
 {
 	return 0;
 }
+EXPORT_SYMBOL(generic_pipe_buf_confirm);
 
 /**
  * generic_pipe_buf_release - put a reference to a &struct pipe_buffer
@@ -323,6 +328,7 @@ void generic_pipe_buf_release(struct pipe_inode_info *pipe,
 {
 	page_cache_release(buf->page);
 }
+EXPORT_SYMBOL(generic_pipe_buf_release);
 
 static const struct pipe_buf_operations anon_pipe_buf_ops = {
 	.can_merge = 1,

From 4969e243c49bb31ba060dd4ef3367d7f60836078 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 26 May 2010 19:04:29 +0900
Subject: [PATCH 3150/3638] ARM: s3c2410_defconfig: Update s3c2410_defconfig to
 v2.6.34-git

Update the s3c2410_defconfig to the latest kernel version v2.6.34-git

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c2410_defconfig | 70 ++++++++++++++++++++++++++----
 1 file changed, 61 insertions(+), 9 deletions(-)

diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
index 9236475e713..43af89c027d 100644
--- a/arch/arm/configs/s3c2410_defconfig
+++ b/arch/arm/configs/s3c2410_defconfig
@@ -1,12 +1,14 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.34
-# Sat May 22 03:17:31 2010
+# Wed May 26 19:04:29 2010
 #
 CONFIG_ARM=y
 CONFIG_HAVE_PWM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
 CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
@@ -35,6 +37,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
 CONFIG_HAVE_KERNEL_LZO=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_BZIP2 is not set
@@ -186,9 +189,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_VEXPRESS is not set
 # CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CNS3XXX is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
@@ -224,7 +229,7 @@ CONFIG_ARCH_S3C2410=y
 # CONFIG_ARCH_S3C64XX is not set
 # CONFIG_ARCH_S5P6440 is not set
 # CONFIG_ARCH_S5P6442 is not set
-# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PC100 is not set
 # CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
@@ -233,6 +238,7 @@ CONFIG_ARCH_S3C2410=y
 # CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
+# CONFIG_PLAT_SPEAR is not set
 CONFIG_PLAT_SAMSUNG=y
 
 #
@@ -243,11 +249,15 @@ CONFIG_S3C_BOOT_ERROR_RESET=y
 CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
 CONFIG_S3C_LOWLEVEL_UART_PORT=0
 CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_S3C_GPIO_CFG_S3C24XX=y
+CONFIG_S3C_GPIO_PULL_UP=y
 CONFIG_SAMSUNG_GPIO_EXTRA=0
 CONFIG_S3C_GPIO_SPACE=0
 CONFIG_S3C_ADC=y
 CONFIG_S3C_DEV_HSMMC=y
+CONFIG_S3C_DEV_HWMON=y
 CONFIG_S3C_DEV_USB_HOST=y
+CONFIG_S3C_DEV_WDT=y
 CONFIG_S3C_DEV_NAND=y
 CONFIG_S3C_DMA=y
 
@@ -260,6 +270,7 @@ CONFIG_PLAT_S3C24XX=y
 CONFIG_CPU_LLSERIAL_S3C2410=y
 CONFIG_CPU_LLSERIAL_S3C2440=y
 CONFIG_S3C2410_CLOCK=y
+CONFIG_S3C2443_CLOCK=y
 CONFIG_S3C24XX_DCLK=y
 CONFIG_S3C24XX_PWM=y
 CONFIG_S3C24XX_GPIO_EXTRA=128
@@ -270,6 +281,7 @@ CONFIG_S3C2410_DMA=y
 # CONFIG_S3C2410_DMA_DEBUG is not set
 CONFIG_MACH_SMDK=y
 CONFIG_S3C24XX_SIMTEC_AUDIO=y
+CONFIG_S3C2410_SETUP_TS=y
 
 #
 # S3C2400 Machines
@@ -289,6 +301,7 @@ CONFIG_ARCH_H1940=y
 # CONFIG_H1940BT is not set
 CONFIG_PM_H1940=y
 CONFIG_MACH_N30=y
+CONFIG_MACH_N35=y
 CONFIG_ARCH_BAST=y
 CONFIG_MACH_OTOM=y
 CONFIG_MACH_AML_M5900=y
@@ -309,6 +322,11 @@ CONFIG_MACH_SMDK2413=y
 CONFIG_MACH_S3C2413=y
 CONFIG_MACH_SMDK2412=y
 CONFIG_MACH_VSTMS=y
+
+#
+# S3C2416 Machines
+#
+# CONFIG_MACH_SMDK2416 is not set
 CONFIG_CPU_S3C2440=y
 CONFIG_CPU_S3C2442=y
 CONFIG_CPU_S3C244X=y
@@ -330,6 +348,7 @@ CONFIG_SMDK2440_CPU2440=y
 CONFIG_SMDK2440_CPU2442=y
 CONFIG_MACH_AT2440EVB=y
 CONFIG_MACH_MINI2440=y
+# CONFIG_MACH_RX1950 is not set
 CONFIG_CPU_S3C2443=y
 CONFIG_S3C2443_DMA=y
 
@@ -410,6 +429,7 @@ CONFIG_ALIGNMENT_TRAP=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="root=/dev/hda1 ro init=/bin/bash console=ttySAC0"
+# CONFIG_CMDLINE_FORCE is not set
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -509,7 +529,9 @@ CONFIG_TCP_CONG_ILLINOIS=m
 # CONFIG_DEFAULT_BIC is not set
 CONFIG_DEFAULT_CUBIC=y
 # CONFIG_DEFAULT_HTCP is not set
+# CONFIG_DEFAULT_HYBLA is not set
 # CONFIG_DEFAULT_VEGAS is not set
+# CONFIG_DEFAULT_VENO is not set
 # CONFIG_DEFAULT_WESTWOOD is not set
 # CONFIG_DEFAULT_RENO is not set
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -566,6 +588,16 @@ CONFIG_NF_CONNTRACK_TFTP=m
 CONFIG_NF_CT_NETLINK=m
 # CONFIG_NETFILTER_TPROXY is not set
 CONFIG_NETFILTER_XTABLES=m
+
+#
+# Xtables combined modules
+#
+CONFIG_NETFILTER_XT_MARK=m
+CONFIG_NETFILTER_XT_CONNMARK=m
+
+#
+# Xtables targets
+#
 CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
 CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
 # CONFIG_NETFILTER_XT_TARGET_CT is not set
@@ -577,9 +609,14 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
 CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
 # CONFIG_NETFILTER_XT_TARGET_NOTRACK is not set
 CONFIG_NETFILTER_XT_TARGET_RATEEST=m
+# CONFIG_NETFILTER_XT_TARGET_TEE is not set
 # CONFIG_NETFILTER_XT_TARGET_TRACE is not set
 CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
 # CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
+
+#
+# Xtables matches
+#
 CONFIG_NETFILTER_XT_MATCH_CLUSTER=m
 CONFIG_NETFILTER_XT_MATCH_COMMENT=m
 CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
@@ -598,6 +635,7 @@ CONFIG_NETFILTER_XT_MATCH_LIMIT=m
 CONFIG_NETFILTER_XT_MATCH_MAC=m
 CONFIG_NETFILTER_XT_MATCH_MARK=m
 CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+# CONFIG_NETFILTER_XT_MATCH_OSF is not set
 CONFIG_NETFILTER_XT_MATCH_OWNER=m
 CONFIG_NETFILTER_XT_MATCH_POLICY=m
 CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
@@ -605,7 +643,6 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
 CONFIG_NETFILTER_XT_MATCH_RATEEST=m
 CONFIG_NETFILTER_XT_MATCH_REALM=m
 CONFIG_NETFILTER_XT_MATCH_RECENT=m
-# CONFIG_NETFILTER_XT_MATCH_RECENT_PROC_COMPAT is not set
 CONFIG_NETFILTER_XT_MATCH_SCTP=m
 CONFIG_NETFILTER_XT_MATCH_STATE=m
 CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
@@ -613,7 +650,6 @@ CONFIG_NETFILTER_XT_MATCH_STRING=m
 CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
 CONFIG_NETFILTER_XT_MATCH_TIME=m
 CONFIG_NETFILTER_XT_MATCH_U32=m
-# CONFIG_NETFILTER_XT_MATCH_OSF is not set
 CONFIG_IP_VS=m
 # CONFIG_IP_VS_IPV6 is not set
 # CONFIG_IP_VS_DEBUG is not set
@@ -713,6 +749,7 @@ CONFIG_IP6_NF_RAW=m
 # CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
+# CONFIG_L2TP is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
@@ -739,6 +776,7 @@ CONFIG_NET_CLS_ROUTE=y
 # CONFIG_IRDA is not set
 CONFIG_BT=m
 CONFIG_BT_L2CAP=m
+# CONFIG_BT_L2CAP_EXT_FEATURES is not set
 CONFIG_BT_SCO=m
 CONFIG_BT_RFCOMM=m
 CONFIG_BT_RFCOMM_TTY=y
@@ -775,6 +813,7 @@ CONFIG_CFG80211_WEXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_LIB80211 is not set
 CONFIG_MAC80211=m
+CONFIG_MAC80211_HAS_RC=y
 CONFIG_MAC80211_RC_MINSTREL=y
 # CONFIG_MAC80211_RC_DEFAULT_PID is not set
 CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
@@ -785,6 +824,7 @@ CONFIG_MAC80211_LEDS=y
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
+# CONFIG_CAIF is not set
 
 #
 # Device Drivers
@@ -828,6 +868,7 @@ CONFIG_MTD_BLOCK=y
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
 # CONFIG_SSFDC is not set
+# CONFIG_SM_FTL is not set
 # CONFIG_MTD_OOPS is not set
 
 #
@@ -882,9 +923,12 @@ CONFIG_MTD_ROM=y
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
 CONFIG_MTD_NAND=y
-# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+CONFIG_MTD_NAND_ECC=y
 # CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_SM_COMMON is not set
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR=0xFF108018
 # CONFIG_MTD_NAND_GPIO is not set
 CONFIG_MTD_NAND_IDS=y
 CONFIG_MTD_NAND_S3C2410=y
@@ -1149,6 +1193,7 @@ CONFIG_KEYBOARD_ATKBD=y
 # CONFIG_QT2160 is not set
 # CONFIG_KEYBOARD_LKKBD is not set
 # CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_TCA6416 is not set
 # CONFIG_KEYBOARD_MATRIX is not set
 # CONFIG_KEYBOARD_LM8323 is not set
 # CONFIG_KEYBOARD_MAX7359 is not set
@@ -1212,6 +1257,7 @@ CONFIG_INPUT_TOUCHSCREEN=y
 # CONFIG_TOUCHSCREEN_AD7879_SPI is not set
 # CONFIG_TOUCHSCREEN_AD7879 is not set
 # CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
 # CONFIG_TOUCHSCREEN_EETI is not set
 # CONFIG_TOUCHSCREEN_FUJITSU is not set
 # CONFIG_TOUCHSCREEN_S3C2410 is not set
@@ -1248,6 +1294,7 @@ CONFIG_TOUCHSCREEN_USB_NEXIO=y
 # CONFIG_TOUCHSCREEN_TSC2007 is not set
 # CONFIG_TOUCHSCREEN_W90X900 is not set
 CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_AD714X is not set
 CONFIG_INPUT_ATI_REMOTE=m
 CONFIG_INPUT_ATI_REMOTE2=m
 CONFIG_INPUT_KEYSPAN_REMOTE=m
@@ -1255,6 +1302,7 @@ CONFIG_INPUT_POWERMATE=m
 CONFIG_INPUT_YEALINK=m
 CONFIG_INPUT_CM109=m
 CONFIG_INPUT_UINPUT=m
+# CONFIG_INPUT_PCF8574 is not set
 CONFIG_INPUT_GPIO_ROTARY_ENCODER=m
 
 #
@@ -1287,6 +1335,7 @@ CONFIG_SERIAL_NONSTANDARD=y
 # CONFIG_MOXA_INTELLIO is not set
 # CONFIG_MOXA_SMARTIO is not set
 # CONFIG_N_HDLC is not set
+# CONFIG_N_GSM is not set
 # CONFIG_RISCOM8 is not set
 # CONFIG_SPECIALIX is not set
 # CONFIG_STALDRV is not set
@@ -1324,6 +1373,8 @@ CONFIG_SERIAL_S3C2440=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_TIMBERDALE is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -1499,6 +1550,7 @@ CONFIG_SENSORS_LM85=m
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_ADS7871 is not set
 # CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_TMP401 is not set
@@ -1836,10 +1888,12 @@ CONFIG_USB_SERIAL_PL2303=y
 # CONFIG_USB_SERIAL_TI is not set
 # CONFIG_USB_SERIAL_CYBERJACK is not set
 # CONFIG_USB_SERIAL_XIRCOM is not set
+CONFIG_USB_SERIAL_WWAN=m
 CONFIG_USB_SERIAL_OPTION=m
 # CONFIG_USB_SERIAL_OMNINET is not set
 # CONFIG_USB_SERIAL_OPTICON is not set
 # CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set
+# CONFIG_USB_SERIAL_ZIO is not set
 # CONFIG_USB_SERIAL_DEBUG is not set
 
 #
@@ -1999,10 +2053,6 @@ CONFIG_RTC_DRV_S3C=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -2274,6 +2324,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
@@ -2284,6 +2335,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set

From 4678ffa5023c74d8ccd4c93ed2327af4cc1ef9c7 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 26 May 2010 19:04:31 +0900
Subject: [PATCH 3151/3638] ARM: s3c6400_defconfig: Update s3c6400_defconfig to
 v2.6.34-git

Update the s3c6400_defconfig to the latest kernel version v2.6.34-git

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 35 ++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 7 deletions(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index a3a9993e5cd..7d8b4cf3858 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -1,11 +1,13 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.34
-# Sat May 22 03:17:32 2010
+# Wed May 26 19:04:30 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
 CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
@@ -34,6 +36,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
 CONFIG_HAVE_KERNEL_LZO=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_BZIP2 is not set
@@ -179,9 +182,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_VEXPRESS is not set
 # CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CNS3XXX is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
@@ -217,7 +222,7 @@ CONFIG_MMU=y
 CONFIG_ARCH_S3C64XX=y
 # CONFIG_ARCH_S5P6440 is not set
 # CONFIG_ARCH_S5P6442 is not set
-# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PC100 is not set
 # CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
@@ -226,6 +231,7 @@ CONFIG_ARCH_S3C64XX=y
 # CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
+# CONFIG_PLAT_SPEAR is not set
 CONFIG_PLAT_SAMSUNG=y
 
 #
@@ -251,7 +257,10 @@ CONFIG_S3C_DEV_I2C1=y
 CONFIG_S3C_DEV_FB=y
 CONFIG_S3C_DEV_USB_HOST=y
 CONFIG_S3C_DEV_USB_HSOTG=y
+CONFIG_S3C_DEV_WDT=y
 CONFIG_S3C_DEV_NAND=y
+CONFIG_SAMSUNG_DEV_ADC=y
+CONFIG_SAMSUNG_DEV_TS=y
 CONFIG_S3C_DMA=y
 
 #
@@ -260,6 +269,7 @@ CONFIG_S3C_DMA=y
 # CONFIG_SAMSUNG_PM_DEBUG is not set
 # CONFIG_S3C_PM_DEBUG_LED_SMDK is not set
 # CONFIG_SAMSUNG_PM_CHECK is not set
+CONFIG_SAMSUNG_WAKEMASK=y
 CONFIG_PLAT_S3C64XX=y
 CONFIG_CPU_S3C6410=y
 CONFIG_S3C64XX_DMA=y
@@ -277,6 +287,8 @@ CONFIG_SMDK6410_SD_CH0=y
 # CONFIG_SMDK6410_WM1192_EV1 is not set
 # CONFIG_MACH_NCP is not set
 # CONFIG_MACH_HMT is not set
+# CONFIG_MACH_SMARTQ5 is not set
+# CONFIG_MACH_SMARTQ7 is not set
 
 #
 # Processor Type
@@ -302,6 +314,7 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_ARM_DMA_MEM_BUFFERABLE=y
 CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_411920 is not set
 CONFIG_ARM_VIC=y
@@ -352,6 +365,7 @@ CONFIG_ALIGNMENT_TRAP=y
 CONFIG_ZBOOT_ROM_TEXT=0
 CONFIG_ZBOOT_ROM_BSS=0
 CONFIG_CMDLINE="console=ttySAC0,115200 root=/dev/ram init=/linuxrc initrd=0x51000000,6M ramdisk_size=6144"
+# CONFIG_CMDLINE_FORCE is not set
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -430,6 +444,7 @@ CONFIG_MTD=y
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
 # CONFIG_SSFDC is not set
+# CONFIG_SM_FTL is not set
 # CONFIG_MTD_OOPS is not set
 
 #
@@ -472,9 +487,12 @@ CONFIG_MTD_CFI_I2=y
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
 CONFIG_MTD_NAND=y
-# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+CONFIG_MTD_NAND_ECC=y
 # CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_SM_COMMON is not set
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR=0xFF108018
 # CONFIG_MTD_NAND_GPIO is not set
 CONFIG_MTD_NAND_IDS=y
 CONFIG_MTD_NAND_S3C2410=y
@@ -569,6 +587,7 @@ CONFIG_KEYBOARD_ATKBD=y
 # CONFIG_QT2160 is not set
 # CONFIG_KEYBOARD_LKKBD is not set
 # CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_TCA6416 is not set
 # CONFIG_KEYBOARD_MATRIX is not set
 # CONFIG_KEYBOARD_MAX7359 is not set
 # CONFIG_KEYBOARD_NEWTON is not set
@@ -638,6 +657,8 @@ CONFIG_SERIAL_S3C6400=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_TIMBERDALE is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -791,6 +812,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LIS3_I2C is not set
 # CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
+CONFIG_HAVE_S3C2410_WATCHDOG=y
 CONFIG_SSB_POSSIBLE=y
 
 #
@@ -877,6 +899,7 @@ CONFIG_SND_SOC=m
 CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_S3C24XX_SOC=m
 CONFIG_SND_S3C_SOC_AC97=m
+# CONFIG_SND_S3C64XX_SOC_WM8580 is not set
 CONFIG_SND_SOC_SMDK_WM9713=m
 CONFIG_SND_SOC_I2C_AND_SPI=m
 # CONFIG_SND_SOC_ALL_CODECS is not set
@@ -936,10 +959,6 @@ CONFIG_RTC_LIB=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -1096,6 +1115,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
@@ -1106,6 +1126,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set

From d51843ef190aed188d72e228fc8d1ae378b662cd Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 26 May 2010 19:04:32 +0900
Subject: [PATCH 3152/3638] ARM: s5p6440_defconfig: Update s5p6440_defconfig to
 v2.6.34-git

Update the s5p6440_defconfig to the latest kernel version v2.6.34-git

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5p6440_defconfig | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/arch/arm/configs/s5p6440_defconfig b/arch/arm/configs/s5p6440_defconfig
index 619bfab3ab3..532e987beb4 100644
--- a/arch/arm/configs/s5p6440_defconfig
+++ b/arch/arm/configs/s5p6440_defconfig
@@ -1,11 +1,13 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.34
-# Sat May 22 03:18:18 2010
+# Wed May 26 19:04:32 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
 CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
@@ -33,6 +35,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
 CONFIG_HAVE_KERNEL_LZO=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_BZIP2 is not set
@@ -178,9 +181,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_VEXPRESS is not set
 # CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CNS3XXX is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
@@ -216,7 +221,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_S3C64XX is not set
 CONFIG_ARCH_S5P6440=y
 # CONFIG_ARCH_S5P6442 is not set
-# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PC100 is not set
 # CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
@@ -225,6 +230,7 @@ CONFIG_ARCH_S5P6440=y
 # CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
+# CONFIG_PLAT_SPEAR is not set
 CONFIG_PLAT_SAMSUNG=y
 
 #
@@ -240,10 +246,15 @@ CONFIG_SAMSUNG_GPIOLIB_4BIT=y
 CONFIG_S3C_GPIO_CFG_S3C24XX=y
 CONFIG_S3C_GPIO_CFG_S3C64XX=y
 CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_S5P_GPIO_DRVSTR=y
 CONFIG_SAMSUNG_GPIO_EXTRA=0
 CONFIG_S3C_GPIO_SPACE=0
 CONFIG_S3C_GPIO_TRACK=y
 # CONFIG_S3C_ADC is not set
+CONFIG_S3C_DEV_WDT=y
+CONFIG_SAMSUNG_DEV_ADC=y
+CONFIG_SAMSUNG_DEV_TS=y
+CONFIG_S3C_PL330_DMA=y
 
 #
 # Power management
@@ -276,10 +287,12 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_ARM_DMA_MEM_BUFFERABLE=y
 CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_411920 is not set
 CONFIG_ARM_VIC=y
 CONFIG_ARM_VIC_NR=2
+CONFIG_PL330=y
 
 #
 # Bus support
@@ -326,6 +339,7 @@ CONFIG_ALIGNMENT_TRAP=y
 CONFIG_ZBOOT_ROM_TEXT=0
 CONFIG_ZBOOT_ROM_BSS=0
 CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
+# CONFIG_CMDLINE_FORCE is not set
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -490,7 +504,9 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
 CONFIG_INPUT_TOUCHSCREEN=y
 # CONFIG_TOUCHSCREEN_AD7879 is not set
 # CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
 # CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_S3C2410 is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
@@ -546,6 +562,8 @@ CONFIG_SERIAL_S3C6400=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_TIMBERDALE is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -593,6 +611,7 @@ CONFIG_GPIOLIB=y
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
+CONFIG_HAVE_S3C2410_WATCHDOG=y
 CONFIG_SSB_POSSIBLE=y
 
 #
@@ -649,10 +668,6 @@ CONFIG_RTC_LIB=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -850,6 +865,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
@@ -860,6 +876,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set

From dfd820314be39aa0bacd3a968f361f76c3c594f3 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 26 May 2010 19:04:34 +0900
Subject: [PATCH 3153/3638] ARM: s5p6442_defconfig: Update s5p6442_defconfig to
 v2.6.34-git

Update the s5p6442_defconfig to the latest kernel version v2.6.34-git

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5p6442_defconfig | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/arch/arm/configs/s5p6442_defconfig b/arch/arm/configs/s5p6442_defconfig
index d7ea27509cf..068219b360f 100644
--- a/arch/arm/configs/s5p6442_defconfig
+++ b/arch/arm/configs/s5p6442_defconfig
@@ -1,11 +1,13 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.34
-# Sat May 22 03:18:19 2010
+# Wed May 26 19:04:34 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
 CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
@@ -33,6 +35,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
 CONFIG_HAVE_KERNEL_LZO=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_BZIP2 is not set
@@ -178,9 +181,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_VEXPRESS is not set
 # CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CNS3XXX is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
@@ -216,7 +221,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_S3C64XX is not set
 # CONFIG_ARCH_S5P6440 is not set
 CONFIG_ARCH_S5P6442=y
-# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PC100 is not set
 # CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
@@ -225,6 +230,7 @@ CONFIG_ARCH_S5P6442=y
 # CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
+# CONFIG_PLAT_SPEAR is not set
 CONFIG_PLAT_SAMSUNG=y
 
 #
@@ -240,10 +246,12 @@ CONFIG_SAMSUNG_GPIOLIB_4BIT=y
 CONFIG_S3C_GPIO_CFG_S3C24XX=y
 CONFIG_S3C_GPIO_CFG_S3C64XX=y
 CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_S5P_GPIO_DRVSTR=y
 CONFIG_SAMSUNG_GPIO_EXTRA=0
 CONFIG_S3C_GPIO_SPACE=0
 CONFIG_S3C_GPIO_TRACK=y
 # CONFIG_S3C_ADC is not set
+CONFIG_S3C_PL330_DMA=y
 
 #
 # Power management
@@ -276,10 +284,12 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_ARM_DMA_MEM_BUFFERABLE=y
 CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_411920 is not set
 CONFIG_ARM_VIC=y
 CONFIG_ARM_VIC_NR=2
+CONFIG_PL330=y
 
 #
 # Bus support
@@ -326,6 +336,7 @@ CONFIG_ALIGNMENT_TRAP=y
 CONFIG_ZBOOT_ROM_TEXT=0
 CONFIG_ZBOOT_ROM_BSS=0
 CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
+# CONFIG_CMDLINE_FORCE is not set
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -471,6 +482,7 @@ CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_TOUCHSCREEN=y
 # CONFIG_TOUCHSCREEN_AD7879 is not set
 # CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
 # CONFIG_TOUCHSCREEN_FUJITSU is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
@@ -525,6 +537,8 @@ CONFIG_SERIAL_S5PV210=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_TIMBERDALE is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -624,10 +638,6 @@ CONFIG_RTC_LIB=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -836,6 +846,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
@@ -846,6 +857,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set

From 9a4925ee158deb85f779c7f938efbcd23c906c62 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 26 May 2010 19:04:36 +0900
Subject: [PATCH 3154/3638] ARM: s5pc100_defconfig: Update s5pc100_defconfig to
 v2.6.34-git

Update the s5pc100_defconfig to the latest kernel version v2.6.34-git

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5pc100_defconfig | 235 +++++++++++++++++++++++------
 1 file changed, 185 insertions(+), 50 deletions(-)

diff --git a/arch/arm/configs/s5pc100_defconfig b/arch/arm/configs/s5pc100_defconfig
index 2053be6c9af..ebc6245b9fc 100644
--- a/arch/arm/configs/s5pc100_defconfig
+++ b/arch/arm/configs/s5pc100_defconfig
@@ -1,12 +1,14 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30
-# Wed Jul  1 15:53:07 2009
+# Linux kernel version: 2.6.34
+# Wed May 26 19:04:35 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
-CONFIG_MMU=y
+CONFIG_GENERIC_TIME=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
+CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -18,7 +20,9 @@ CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_ARM_L1_CACHE_SHIFT_6=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 CONFIG_CONSTRUCTORS=y
@@ -31,6 +35,13 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 # CONFIG_SYSVIPC is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
@@ -38,14 +49,15 @@ CONFIG_SWAP=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -59,6 +71,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 CONFIG_RD_BZIP2=y
 CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -80,19 +93,21 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
 
 #
-# Performance Counters
+# Kernel Performance Events And Counters
 #
+# CONFIG_PERF_EVENTS is not set
+# CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLUB_DEBUG=y
-# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_COMPAT_BRK=y
 # CONFIG_SLAB is not set
 CONFIG_SLUB=y
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
 # CONFIG_KPROBES is not set
 CONFIG_HAVE_KPROBES=y
@@ -122,25 +137,56 @@ CONFIG_LBDAF=y
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
 # CONFIG_DEFAULT_DEADLINE is not set
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 # CONFIG_FREEZER is not set
 
 #
 # System Type
 #
+CONFIG_MMU=y
 # CONFIG_ARCH_AAEC2000 is not set
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_VEXPRESS is not set
 # CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CNS3XXX is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
@@ -156,6 +202,7 @@ CONFIG_DEFAULT_IOSCHED="cfq"
 # CONFIG_ARCH_IXP2000 is not set
 # CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
 # CONFIG_ARCH_KIRKWOOD is not set
 # CONFIG_ARCH_LOKI is not set
 # CONFIG_ARCH_MV78XX0 is not set
@@ -164,39 +211,64 @@ CONFIG_DEFAULT_IOSCHED="cfq"
 # CONFIG_ARCH_KS8695 is not set
 # CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_NUC93X is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_SHMOBILE is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
 CONFIG_ARCH_S5PC100=y
+# CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-CONFIG_PLAT_S3C=y
+# CONFIG_PLAT_SPEAR is not set
+CONFIG_PLAT_SAMSUNG=y
 
 #
 # Boot options
 #
 # CONFIG_S3C_BOOT_ERROR_RESET is not set
 CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=0
+CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
+CONFIG_SAMSUNG_IRQ_UART=y
+CONFIG_SAMSUNG_GPIOLIB_4BIT=y
+CONFIG_S3C_GPIO_CFG_S3C24XX=y
+CONFIG_S3C_GPIO_CFG_S3C64XX=y
+CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_S5P_GPIO_DRVSTR=y
+CONFIG_SAMSUNG_GPIO_EXTRA=0
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_GPIO_TRACK=y
+# CONFIG_S3C_ADC is not set
+CONFIG_S3C_DEV_HSMMC=y
+CONFIG_S3C_DEV_HSMMC1=y
+CONFIG_S3C_DEV_HSMMC2=y
+CONFIG_S3C_DEV_I2C1=y
+CONFIG_S3C_DEV_FB=y
+CONFIG_S3C_PL330_DMA=y
 
 #
 # Power management
 #
-CONFIG_S3C_LOWLEVEL_UART_PORT=0
-CONFIG_S3C_GPIO_SPACE=0
-CONFIG_S3C_GPIO_TRACK=y
-CONFIG_S3C_GPIO_PULL_UPDOWN=y
-CONFIG_PLAT_S5PC1XX=y
-CONFIG_CPU_S5PC100_INIT=y
-CONFIG_CPU_S5PC100_CLOCK=y
-CONFIG_S5PC100_SETUP_I2C0=y
+CONFIG_PLAT_S5P=y
+CONFIG_S5P_EXT_INT=y
 CONFIG_CPU_S5PC100=y
+CONFIG_S5PC100_SETUP_FB_24BPP=y
+CONFIG_S5PC100_SETUP_I2C1=y
+CONFIG_S5PC100_SETUP_SDHCI=y
+CONFIG_S5PC100_SETUP_SDHCI_GPIO=y
 CONFIG_MACH_SMDKC100=y
 
 #
@@ -206,7 +278,7 @@ CONFIG_CPU_32v6K=y
 CONFIG_CPU_V7=y
 CONFIG_CPU_32v7=y
 CONFIG_CPU_ABRT_EV7=y
-CONFIG_CPU_PABRT_IFAR=y
+CONFIG_CPU_PABRT_V7=y
 CONFIG_CPU_CACHE_V7=y
 CONFIG_CPU_CACHE_VIPT=y
 CONFIG_CPU_COPY_V6=y
@@ -224,11 +296,15 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_HAS_TLS_REG=y
+CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_ARM_DMA_MEM_BUFFERABLE=y
+CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_430973 is not set
 # CONFIG_ARM_ERRATA_458693 is not set
 # CONFIG_ARM_ERRATA_460075 is not set
 CONFIG_ARM_VIC=y
 CONFIG_ARM_VIC_NR=2
+CONFIG_PL330=y
 
 #
 # Bus support
@@ -244,8 +320,11 @@ CONFIG_VMSPLIT_3G=y
 # CONFIG_VMSPLIT_2G is not set
 # CONFIG_VMSPLIT_1G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
 CONFIG_HZ=100
+# CONFIG_THUMB2_KERNEL is not set
 CONFIG_AEABI=y
 CONFIG_OABI_COMPAT=y
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
@@ -258,12 +337,11 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_SPLIT_PTLOCK_CPUS=999999
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_HAVE_MLOCK=y
-CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+# CONFIG_KSM is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_ALIGNMENT_TRAP=y
 # CONFIG_UACCESS_WITH_MEMCPY is not set
@@ -274,6 +352,7 @@ CONFIG_ALIGNMENT_TRAP=y
 CONFIG_ZBOOT_ROM_TEXT=0
 CONFIG_ZBOOT_ROM_BSS=0
 CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=cramfs init=/linuxrc console=ttySAC2,115200 mem=128M"
+# CONFIG_CMDLINE_FORCE is not set
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -317,6 +396,7 @@ CONFIG_ARCH_SUSPEND_POSSIBLE=y
 # Generic Driver Options
 #
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
@@ -331,6 +411,10 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=8192
@@ -338,9 +422,12 @@ CONFIG_BLK_DEV_RAM_SIZE=8192
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_MG_DISK is not set
 CONFIG_MISC_DEVICES=y
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_ISL29003 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_DS1682 is not set
 # CONFIG_C2PORT is not set
 
 #
@@ -350,18 +437,21 @@ CONFIG_EEPROM_AT24=y
 # CONFIG_EEPROM_LEGACY is not set
 # CONFIG_EEPROM_MAX6875 is not set
 # CONFIG_EEPROM_93CX6 is not set
+# CONFIG_IWMC3200TOP is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
 # CONFIG_SCSI_DMA is not set
 # CONFIG_SCSI_NETLINK is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
+# CONFIG_PHONE is not set
 
 #
 # Input device support
@@ -369,6 +459,7 @@ CONFIG_HAVE_IDE=y
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -385,13 +476,19 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # Input Device Drivers
 #
 CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
 CONFIG_KEYBOARD_ATKBD=y
-# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_QT2160 is not set
 # CONFIG_KEYBOARD_LKKBD is not set
-# CONFIG_KEYBOARD_XTKBD is not set
-# CONFIG_KEYBOARD_NEWTON is not set
-# CONFIG_KEYBOARD_STOWAWAY is not set
 # CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_TCA6416 is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
 CONFIG_INPUT_MOUSE=y
 CONFIG_MOUSE_PS2=y
 CONFIG_MOUSE_PS2_ALPS=y
@@ -399,6 +496,7 @@ CONFIG_MOUSE_PS2_LOGIPS2PP=y
 CONFIG_MOUSE_PS2_SYNAPTICS=y
 CONFIG_MOUSE_PS2_TRACKPOINT=y
 # CONFIG_MOUSE_PS2_ELANTECH is not set
+# CONFIG_MOUSE_PS2_SENTELIC is not set
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
@@ -418,6 +516,7 @@ CONFIG_SERIO=y
 CONFIG_SERIO_SERPORT=y
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
 # CONFIG_GAMEPORT is not set
 
 #
@@ -444,11 +543,16 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # Non-8250 serial port support
 #
 CONFIG_SERIAL_SAMSUNG=y
-CONFIG_SERIAL_SAMSUNG_UARTS=3
+CONFIG_SERIAL_SAMSUNG_UARTS_4=y
+CONFIG_SERIAL_SAMSUNG_UARTS=4
 # CONFIG_SERIAL_SAMSUNG_DEBUG is not set
 CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_S3C6400=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -461,6 +565,7 @@ CONFIG_HW_RANDOM=y
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -471,9 +576,11 @@ CONFIG_I2C_HELPER_AUTO=y
 #
 # I2C system bus drivers (mostly embedded / system-on-chip)
 #
+# CONFIG_I2C_DESIGNWARE is not set
 # CONFIG_I2C_GPIO is not set
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -486,20 +593,15 @@ CONFIG_I2C_HELPER_AUTO=y
 #
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_DS1682 is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_REQUIRE_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -508,13 +610,16 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
 #
+# CONFIG_GPIO_MAX7300 is not set
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -523,10 +628,19 @@ CONFIG_GPIOLIB=y
 #
 # SPI GPIO expanders:
 #
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Native drivers
+#
 # CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
 # CONFIG_SENSORS_ADM1021 is not set
@@ -535,10 +649,11 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7411 is not set
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
-# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
@@ -549,6 +664,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM73 is not set
 # CONFIG_SENSORS_LM75 is not set
 # CONFIG_SENSORS_LM77 is not set
 # CONFIG_SENSORS_LM78 is not set
@@ -573,8 +689,10 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_TMP401 is not set
+# CONFIG_SENSORS_TMP421 is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83791D is not set
@@ -584,9 +702,8 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_SENSORS_LIS3_I2C is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
 CONFIG_SSB_POSSIBLE=y
 
@@ -599,10 +716,12 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_ASIC3 is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
 # CONFIG_TPS65010 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
@@ -610,10 +729,15 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_TC6387XB is not set
 # CONFIG_MFD_TC6393XB is not set
 # CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
+# CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
 #
@@ -637,7 +761,6 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-CONFIG_HID_DEBUG=y
 # CONFIG_HIDRAW is not set
 # CONFIG_HID_PID is not set
 
@@ -680,13 +803,12 @@ CONFIG_SDIO_UART=y
 CONFIG_MMC_SDHCI=y
 # CONFIG_MMC_SDHCI_PLTFM is not set
 # CONFIG_MEMSTICK is not set
-# CONFIG_ACCESSIBILITY is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
-# CONFIG_REGULATOR is not set
 # CONFIG_UIO is not set
 # CONFIG_STAGING is not set
 
@@ -710,6 +832,7 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_GFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
 CONFIG_FILE_LOCKING=y
 CONFIG_FSNOTIFY=y
 CONFIG_DNOTIFY=y
@@ -758,6 +881,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
@@ -772,7 +896,6 @@ CONFIG_ROMFS_BACKED_BY_BLOCK=y
 CONFIG_ROMFS_ON_BLOCK=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
 
 #
 # Partition Types
@@ -789,6 +912,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
@@ -826,11 +950,13 @@ CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
@@ -839,6 +965,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
@@ -849,6 +976,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -857,8 +985,9 @@ CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
 # CONFIG_DEBUG_ICEDCC is not set
-CONFIG_DEBUG_S3C_PORT=y
+# CONFIG_OC_ETM is not set
 CONFIG_DEBUG_S3C_UART=0
 
 #
@@ -867,7 +996,11 @@ CONFIG_DEBUG_S3C_UART=0
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 # CONFIG_CRYPTO is not set
 # CONFIG_BINARY_PRINTF is not set
 
@@ -884,8 +1017,10 @@ CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
+CONFIG_LZO_DECOMPRESS=y
 CONFIG_DECOMPRESS_GZIP=y
 CONFIG_DECOMPRESS_BZIP2=y
 CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_DMA=y

From fffb79f2053f7ca26afc76e39bf1758e5f5b3722 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 26 May 2010 19:04:37 +0900
Subject: [PATCH 3155/3638] ARM: s5pc110_defconfig: Update s5pc110_defconfig to
 v2.6.34-git

Update the s5pc110_defconfig to the latest kernel version v2.6.34-git

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5pc110_defconfig | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/arch/arm/configs/s5pc110_defconfig b/arch/arm/configs/s5pc110_defconfig
index 796cb78498c..c4de360b0f6 100644
--- a/arch/arm/configs/s5pc110_defconfig
+++ b/arch/arm/configs/s5pc110_defconfig
@@ -1,11 +1,13 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.34
-# Sat May 22 03:18:21 2010
+# Wed May 26 19:04:37 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
 CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
@@ -35,6 +37,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
 CONFIG_HAVE_KERNEL_LZO=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_BZIP2 is not set
@@ -180,9 +183,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_VEXPRESS is not set
 # CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CNS3XXX is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
@@ -218,7 +223,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_S3C64XX is not set
 # CONFIG_ARCH_S5P6440 is not set
 # CONFIG_ARCH_S5P6442 is not set
-# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PC100 is not set
 CONFIG_ARCH_S5PV210=y
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
@@ -227,6 +232,7 @@ CONFIG_ARCH_S5PV210=y
 # CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
+# CONFIG_PLAT_SPEAR is not set
 CONFIG_PLAT_SAMSUNG=y
 
 #
@@ -242,16 +248,22 @@ CONFIG_SAMSUNG_GPIOLIB_4BIT=y
 CONFIG_S3C_GPIO_CFG_S3C24XX=y
 CONFIG_S3C_GPIO_CFG_S3C64XX=y
 CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_S5P_GPIO_DRVSTR=y
 CONFIG_SAMSUNG_GPIO_EXTRA=0
 CONFIG_S3C_GPIO_SPACE=0
 CONFIG_S3C_GPIO_TRACK=y
 # CONFIG_S3C_ADC is not set
+CONFIG_S3C_DEV_WDT=y
+CONFIG_S3C_PL330_DMA=y
 
 #
 # Power management
 #
 CONFIG_PLAT_S5P=y
+CONFIG_S5P_EXT_INT=y
 CONFIG_CPU_S5PV210=y
+# CONFIG_MACH_AQUILA is not set
+# CONFIG_MACH_GONI is not set
 # CONFIG_MACH_SMDKV210 is not set
 CONFIG_MACH_SMDKC110=y
 
@@ -281,12 +293,14 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_HAS_TLS_REG=y
 CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_ARM_DMA_MEM_BUFFERABLE=y
 CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_430973 is not set
 # CONFIG_ARM_ERRATA_458693 is not set
 # CONFIG_ARM_ERRATA_460075 is not set
 CONFIG_ARM_VIC=y
 CONFIG_ARM_VIC_NR=2
+CONFIG_PL330=y
 
 #
 # Bus support
@@ -335,6 +349,7 @@ CONFIG_ALIGNMENT_TRAP=y
 CONFIG_ZBOOT_ROM_TEXT=0
 CONFIG_ZBOOT_ROM_BSS=0
 CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
+# CONFIG_CMDLINE_FORCE is not set
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -481,6 +496,7 @@ CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_TOUCHSCREEN=y
 # CONFIG_TOUCHSCREEN_AD7879 is not set
 # CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
 # CONFIG_TOUCHSCREEN_FUJITSU is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
@@ -536,6 +552,8 @@ CONFIG_SERIAL_S5PV210=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_TIMBERDALE is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -583,6 +601,7 @@ CONFIG_GPIOLIB=y
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
+CONFIG_HAVE_S3C2410_WATCHDOG=y
 CONFIG_SSB_POSSIBLE=y
 
 #
@@ -635,10 +654,6 @@ CONFIG_RTC_LIB=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -847,6 +862,8 @@ CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
@@ -857,6 +874,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set

From f7b4dc7a14b84d5f2ae236a1a2bb211673717c5d Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 26 May 2010 19:04:39 +0900
Subject: [PATCH 3156/3638] ARM: s5pv210_defconfig: Update s5pv210_defconfig to
 v2.6.34-git

Update the s5pv210_defconfig to the latest kernel version v2.6.34-git

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s5pv210_defconfig | 33 ++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

diff --git a/arch/arm/configs/s5pv210_defconfig b/arch/arm/configs/s5pv210_defconfig
index 6831dab97d9..e2f5bce2982 100644
--- a/arch/arm/configs/s5pv210_defconfig
+++ b/arch/arm/configs/s5pv210_defconfig
@@ -1,11 +1,13 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.34
-# Sat May 22 03:18:22 2010
+# Wed May 26 19:04:39 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
 CONFIG_HAVE_PROC_CPU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
@@ -35,6 +37,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
 CONFIG_HAVE_KERNEL_LZO=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_BZIP2 is not set
@@ -180,9 +183,11 @@ CONFIG_MMU=y
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_VEXPRESS is not set
 # CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_BCMRING is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CNS3XXX is not set
 # CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
@@ -218,7 +223,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_S3C64XX is not set
 # CONFIG_ARCH_S5P6440 is not set
 # CONFIG_ARCH_S5P6442 is not set
-# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_S5PC100 is not set
 CONFIG_ARCH_S5PV210=y
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
@@ -227,6 +232,7 @@ CONFIG_ARCH_S5PV210=y
 # CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
+# CONFIG_PLAT_SPEAR is not set
 CONFIG_PLAT_SAMSUNG=y
 
 #
@@ -242,16 +248,24 @@ CONFIG_SAMSUNG_GPIOLIB_4BIT=y
 CONFIG_S3C_GPIO_CFG_S3C24XX=y
 CONFIG_S3C_GPIO_CFG_S3C64XX=y
 CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_S5P_GPIO_DRVSTR=y
 CONFIG_SAMSUNG_GPIO_EXTRA=0
 CONFIG_S3C_GPIO_SPACE=0
 CONFIG_S3C_GPIO_TRACK=y
 # CONFIG_S3C_ADC is not set
+CONFIG_S3C_DEV_WDT=y
+CONFIG_SAMSUNG_DEV_ADC=y
+CONFIG_SAMSUNG_DEV_TS=y
+CONFIG_S3C_PL330_DMA=y
 
 #
 # Power management
 #
 CONFIG_PLAT_S5P=y
+CONFIG_S5P_EXT_INT=y
 CONFIG_CPU_S5PV210=y
+# CONFIG_MACH_AQUILA is not set
+# CONFIG_MACH_GONI is not set
 CONFIG_MACH_SMDKV210=y
 # CONFIG_MACH_SMDKC110 is not set
 
@@ -281,12 +295,14 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_BPREDICT_DISABLE is not set
 CONFIG_HAS_TLS_REG=y
 CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_ARM_DMA_MEM_BUFFERABLE=y
 CONFIG_CPU_HAS_PMU=y
 # CONFIG_ARM_ERRATA_430973 is not set
 # CONFIG_ARM_ERRATA_458693 is not set
 # CONFIG_ARM_ERRATA_460075 is not set
 CONFIG_ARM_VIC=y
 CONFIG_ARM_VIC_NR=2
+CONFIG_PL330=y
 
 #
 # Bus support
@@ -335,6 +351,7 @@ CONFIG_ALIGNMENT_TRAP=y
 CONFIG_ZBOOT_ROM_TEXT=0
 CONFIG_ZBOOT_ROM_BSS=0
 CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
+# CONFIG_CMDLINE_FORCE is not set
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -481,7 +498,9 @@ CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_TOUCHSCREEN=y
 # CONFIG_TOUCHSCREEN_AD7879 is not set
 # CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
 # CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_S3C2410 is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
@@ -536,6 +555,8 @@ CONFIG_SERIAL_S5PV210=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_TIMBERDALE is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -583,6 +604,7 @@ CONFIG_GPIOLIB=y
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
+CONFIG_HAVE_S3C2410_WATCHDOG=y
 CONFIG_SSB_POSSIBLE=y
 
 #
@@ -635,10 +657,6 @@ CONFIG_RTC_LIB=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -847,6 +865,8 @@ CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
@@ -857,6 +877,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set

From 5fae405838527c136a920eb7b9a2edfc5d2b6198 Mon Sep 17 00:00:00 2001
From: Pannaga Bhushan <p.bhushan@samsung.com>
Date: Mon, 24 May 2010 15:08:31 +0900
Subject: [PATCH 3157/3638] ARM: S5P: Fix the platform external interrupt
 issues.

This patch does the following:

1. Corrects the common platform code for external interrupts for using the
   VIC mask/unmask bits also.
2. Moves the common defines related to external interrupt for plat-s5p
   to common files.
3. Based on the new common defines, corresponding changes are made in the
   affected platforms (S5P6440, S5P6442 and S5PC100).

Signed-off-by: Pannaga Bhushan <p.bhushan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5p6440/include/mach/irqs.h      |  9 ++++++++-
 arch/arm/mach-s5p6442/include/mach/irqs.h      |  5 +++--
 arch/arm/mach-s5pc100/include/mach/irqs.h      |  3 ---
 arch/arm/mach-s5pv210/include/mach/irqs.h      | 14 ++------------
 arch/arm/mach-s5pv210/include/mach/regs-gpio.h | 14 +++++++++-----
 arch/arm/plat-s5p/Kconfig                      |  1 +
 arch/arm/plat-s5p/include/plat/irqs.h          |  7 +++++++
 arch/arm/plat-s5p/irq-eint.c                   | 15 ++++++++++-----
 8 files changed, 40 insertions(+), 28 deletions(-)

diff --git a/arch/arm/mach-s5p6440/include/mach/irqs.h b/arch/arm/mach-s5p6440/include/mach/irqs.h
index a4b9b40d18f..911854d9ad4 100644
--- a/arch/arm/mach-s5p6440/include/mach/irqs.h
+++ b/arch/arm/mach-s5p6440/include/mach/irqs.h
@@ -72,7 +72,14 @@
 #define S5P_IRQ_EINT_BASE	(S5P_IRQ_VIC1(31) + 6)
 
 #define S5P_EINT(x)		((x) + S5P_IRQ_EINT_BASE)
-#define IRQ_EINT(x)		S5P_EINT(x)
+
+#define S5P_EINT_BASE1		(S5P_IRQ_EINT_BASE)
+/*
+ * S5P6440 has 0-15 external interrupts in group 0. Only these can be used
+ * to wake up from sleep. If request is beyond this range, by mistake, a large
+ * return value for an irq number should be indication of something amiss.
+ */
+#define S5P_EINT_BASE2		(0xf0000000)
 
 /*
  * Next the external interrupt groups. These are similar to the IRQ_EINT(x)
diff --git a/arch/arm/mach-s5p6442/include/mach/irqs.h b/arch/arm/mach-s5p6442/include/mach/irqs.h
index da665809f6e..02c23749c02 100644
--- a/arch/arm/mach-s5p6442/include/mach/irqs.h
+++ b/arch/arm/mach-s5p6442/include/mach/irqs.h
@@ -77,8 +77,9 @@
 
 #define S5P_IRQ_EINT_BASE	(IRQ_VIC_END + 1)
 
-#define IRQ_EINT(x)             ((x) < 16 ? S5P_IRQ_VIC0(x) : \
-					(S5P_IRQ_EINT_BASE + (x)-16))
+#define S5P_EINT_BASE1		(S5P_IRQ_VIC0(0))
+#define S5P_EINT_BASE2		(S5P_IRQ_EINT_BASE)
+
 /* Set the default NR_IRQS */
 
 #define NR_IRQS 		(IRQ_EINT(31) + 1)
diff --git a/arch/arm/mach-s5pc100/include/mach/irqs.h b/arch/arm/mach-s5pc100/include/mach/irqs.h
index 15066df3ced..28aa551dc3a 100644
--- a/arch/arm/mach-s5pc100/include/mach/irqs.h
+++ b/arch/arm/mach-s5pc100/include/mach/irqs.h
@@ -100,9 +100,6 @@
 #define S5P_EINT_BASE1		(S5P_IRQ_VIC0(0))
 #define S5P_EINT_BASE2		(IRQ_VIC_END + 1)
 
-#define IRQ_EINT(x)		((x) < 16 ? S5P_IRQ_VIC0(x) : \
-				 (S5P_EINT_BASE2 + (x) - 16))
-
 #define S3C_IRQ_GPIO_BASE	(IRQ_EINT(31) + 1)
 #define S3C_IRQ_GPIO(x)		(S3C_IRQ_GPIO_BASE + (x))
 
diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h
index 92fc6c7fc06..96895378ea2 100644
--- a/arch/arm/mach-s5pv210/include/mach/irqs.h
+++ b/arch/arm/mach-s5pv210/include/mach/irqs.h
@@ -118,22 +118,12 @@
 #define IRQ_MDNIE3		S5P_IRQ_VIC3(8)
 #define IRQ_VIC_END		S5P_IRQ_VIC3(31)
 
-#define S5P_EINT_16_31_BASE	(IRQ_VIC_END + 1)
-
-#define EINT_MODE		S3C_GPIO_SFN(0xf)
-
-#define IRQ_EINT(x)		((x) < 16 ? ((x) + S5P_IRQ_VIC0(0)) \
-					: ((x) + S5P_EINT_16_31_BASE))
+#define S5P_EINT_BASE1		(S5P_IRQ_VIC0(0))
+#define S5P_EINT_BASE2		(IRQ_VIC_END + 1)
 
 /* Set the default NR_IRQS */
-
 #define NR_IRQS			(IRQ_EINT(31) + 1)
 
-#define EINT_GPIO_0(x)		S5PV210_GPH0(x)
-#define EINT_GPIO_1(x)		S5PV210_GPH1(x)
-#define EINT_GPIO_2(x)		S5PV210_GPH2(x)
-#define EINT_GPIO_3(x)		S5PV210_GPH3(x)
-
 /* Compatibility */
 #define IRQ_LCD_FIFO		IRQ_LCD0
 #define IRQ_LCD_VSYNC		IRQ_LCD1
diff --git a/arch/arm/mach-s5pv210/include/mach/regs-gpio.h b/arch/arm/mach-s5pv210/include/mach/regs-gpio.h
index 6d068091c36..49e029b4978 100644
--- a/arch/arm/mach-s5pv210/include/mach/regs-gpio.h
+++ b/arch/arm/mach-s5pv210/include/mach/regs-gpio.h
@@ -27,12 +27,9 @@
 #define S5PV210_EINT30PEND		(S5P_VA_GPIO + 0xF40)
 #define S5P_EINT_PEND(x)		(S5PV210_EINT30PEND + ((x) * 0x4))
 
-#define eint_offset(irq)	((irq) < IRQ_EINT16_31 ? ((irq) - IRQ_EINT(0)) \
-						: ((irq) - S5P_EINT_16_31_BASE))
+#define EINT_REG_NR(x)			(EINT_OFFSET(x) >> 3)
 
-#define EINT_REG_NR(x)			(eint_offset(x) >> 3)
-
-#define eint_irq_to_bit(irq)		(1 << (eint_offset(irq) & 0x7))
+#define eint_irq_to_bit(irq)		(1 << (EINT_OFFSET(irq) & 0x7))
 
 /* values for S5P_EXTINT0 */
 #define S5P_EXTINT_LOWLEV		(0x00)
@@ -41,4 +38,11 @@
 #define S5P_EXTINT_RISEEDGE		(0x03)
 #define S5P_EXTINT_BOTHEDGE		(0x04)
 
+#define EINT_MODE		S3C_GPIO_SFN(0xf)
+
+#define EINT_GPIO_0(x)		S5PV210_GPH0(x)
+#define EINT_GPIO_1(x)		S5PV210_GPH1(x)
+#define EINT_GPIO_2(x)		S5PV210_GPH2(x)
+#define EINT_GPIO_3(x)		S5PV210_GPH3(x)
+
 #endif /* __ASM_ARCH_REGS_GPIO_H */
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 5cb2dd1da63..11d6a1bbd90 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -29,3 +29,4 @@ config S5P_EXT_INT
 	bool
 	help
 	  Use the external interrupts (other than GPIO interrupts.)
+	  Note: Do not choose this for S5P6440.
diff --git a/arch/arm/plat-s5p/include/plat/irqs.h b/arch/arm/plat-s5p/include/plat/irqs.h
index 9ff3d718be3..3fb3a3a1746 100644
--- a/arch/arm/plat-s5p/include/plat/irqs.h
+++ b/arch/arm/plat-s5p/include/plat/irqs.h
@@ -87,4 +87,11 @@
 #define IRQ_TIMER3		S5P_TIMER_IRQ(3)
 #define IRQ_TIMER4		S5P_TIMER_IRQ(4)
 
+#define IRQ_EINT(x)		((x) < 16 ? ((x) + S5P_EINT_BASE1) \
+					: ((x) - 16 + S5P_EINT_BASE2))
+
+#define EINT_OFFSET(irq)	((irq) < S5P_EINT_BASE2 ? \
+						((irq) - S5P_EINT_BASE1) : \
+						((irq) + 16 - S5P_EINT_BASE2))
+
 #endif /* __ASM_PLAT_S5P_IRQS_H */
diff --git a/arch/arm/plat-s5p/irq-eint.c b/arch/arm/plat-s5p/irq-eint.c
index eaa70aa0127..e56c8075df9 100644
--- a/arch/arm/plat-s5p/irq-eint.c
+++ b/arch/arm/plat-s5p/irq-eint.c
@@ -60,7 +60,7 @@ static void s5p_irq_eint_maskack(unsigned int irq)
 
 static int s5p_irq_eint_set_type(unsigned int irq, unsigned int type)
 {
-	int offs = eint_offset(irq);
+	int offs = EINT_OFFSET(irq);
 	int shift;
 	u32 ctrl, mask;
 	u32 newvalue = 0;
@@ -139,17 +139,16 @@ static struct irq_chip s5p_irq_eint = {
  */
 static inline void s5p_irq_demux_eint(unsigned int start)
 {
-	u32 status;
+	u32 status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
 	u32 mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(start)));
 	unsigned int irq;
 
-	status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
 	status &= ~mask;
 	status &= 0xff;
 
 	while (status) {
-		irq = fls(status);
-		generic_handle_irq(irq - 1 + start);
+		irq = fls(status) - 1;
+		generic_handle_irq(irq + start);
 		status &= ~(1 << irq);
 	}
 }
@@ -162,12 +161,18 @@ static void s5p_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
 
 static inline void s5p_irq_vic_eint_mask(unsigned int irq)
 {
+	void __iomem *base = get_irq_chip_data(irq);
+
 	s5p_irq_eint_mask(irq);
+	writel(1 << EINT_OFFSET(irq), base + VIC_INT_ENABLE_CLEAR);
 }
 
 static void s5p_irq_vic_eint_unmask(unsigned int irq)
 {
+	void __iomem *base = get_irq_chip_data(irq);
+
 	s5p_irq_eint_unmask(irq);
+	writel(1 << EINT_OFFSET(irq), base + VIC_INT_ENABLE);
 }
 
 static inline void s5p_irq_vic_eint_ack(unsigned int irq)

From 459f2a32024b46b7f144999738112eb88654eb0f Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Tue, 25 May 2010 18:19:34 +0900
Subject: [PATCH 3158/3638] ARM: S5PC100: Fixup cross tree merge problems

The commit 45c79433c02b8fe7b8a1cbf60548a9798d0502ed got things building
but then commit 17d2f877ae8b68b09bf88a9949ee64fbbda5ee10 and others
where merged in from a seperate tree and this has resulted from a build
failure due to the redefinition of IRQ_EINT().

Fix this by merging a new commit.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s5pc100/include/mach/regs-gpio.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-s5pc100/include/mach/regs-gpio.h b/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
index 763edebdd57..dd6295e1251 100644
--- a/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
+++ b/arch/arm/mach-s5pc100/include/mach/regs-gpio.h
@@ -60,12 +60,9 @@
 #define S5PC100EINT30PEND		(S5P_VA_GPIO + 0xF40)
 #define S5P_EINT_PEND(x)		(S5PC100EINT30PEND + ((x) * 0x4))
 
-#define eint_offset(irq) ((irq) < IRQ_EINT16_31 ? ((irq) - IRQ_EINT(0)) : \
-			  (((irq) - S5P_EINT_BASE2)))
+#define EINT_REG_NR(x)			(EINT_OFFSET(x) >> 3)
 
-#define EINT_REG_NR(x)			(eint_offset(x) >> 3)
-
-#define eint_irq_to_bit(irq)		(1 << (eint_offset(irq) & 0x7))
+#define eint_irq_to_bit(irq)		(1 << (EINT_OFFSET(irq) & 0x7))
 
 /* values for S5P_EXTINT0 */
 #define S5P_EXTINT_LOWLEV		(0x00)

From 98652efceab8f0b1a3a1b2750544a395ec056115 Mon Sep 17 00:00:00 2001
From: Christoph Fritz <chf.fritz@googlemail.com>
Date: Sat, 17 Apr 2010 13:57:17 +0200
Subject: [PATCH 3159/3638] leds: 88pm860x - fix checking in probe function

Improve device and platform data checks in probe function.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/leds-88pm860x.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
index 16a60c06c96..b7677106cff 100644
--- a/drivers/leds/leds-88pm860x.c
+++ b/drivers/leds/leds-88pm860x.c
@@ -256,8 +256,10 @@ static int pm860x_led_probe(struct platform_device *pdev)
 	if (pdev->dev.parent->platform_data) {
 		pm860x_pdata = pdev->dev.parent->platform_data;
 		pdata = pm860x_pdata->led;
-	} else
-		pdata = NULL;
+	} else {
+		dev_err(&pdev->dev, "missing platform data\n");
+		return -EINVAL;
+	}
 
 	data = kzalloc(sizeof(struct pm860x_led), GFP_KERNEL);
 	if (data == NULL)
@@ -268,8 +270,11 @@ static int pm860x_led_probe(struct platform_device *pdev)
 	data->i2c = (chip->id == CHIP_PM8606) ? chip->client : chip->companion;
 	data->iset = pdata->iset;
 	data->port = __check_device(pdata, data->name);
-	if (data->port < 0)
+	if (data->port < 0) {
+		dev_err(&pdev->dev, "check device failed\n");
+		kfree(data);
 		return -EINVAL;
+	}
 
 	data->current_brightness = 0;
 	data->cdev.name = data->name;

From 14e40f644b020d473415342461b7c62e3bb5e312 Mon Sep 17 00:00:00 2001
From: Bjarke Istrup Pedersen <gurligebis@gentoo.org>
Date: Mon, 24 May 2010 12:15:56 -0700
Subject: [PATCH 3160/3638] leds: Add LED driver for the Soekris net5501 board

It is based on the previously submitted code by Alessandro Zummo, but is
changed to use the new GPIO driver with 2.6.33, and the driver has been
moved to drivers/leds where it belongs.

[akpm@linux-foundation.org: coding-style fixes]
[randy.dunlap@oracle.com: fix net5501 kconfig]
Signed-off-by: Bjarke Istrup Pedersen <gurligebis@gentoo.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/Kconfig        | 10 ++++
 drivers/leds/Makefile       |  1 +
 drivers/leds/leds-net5501.c | 94 +++++++++++++++++++++++++++++++++++++
 3 files changed, 105 insertions(+)
 create mode 100644 drivers/leds/leds-net5501.c

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 505eb64c329..ecb6932c363 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -67,6 +67,16 @@ config LEDS_NET48XX
 	  This option enables support for the Soekris net4801 and net4826 error
 	  LED.
 
+config LEDS_NET5501
+	tristate "LED Support for Soekris net5501 series Error LED"
+	depends on LEDS_CLASS && LEDS_TRIGGERS
+	depends on LEDS_GPIO_PLATFORM && GPIO_CS5535
+	select LEDS_TRIGGER_DEFAULT_ON
+	default n
+	help
+	  Add support for the Soekris net5501 board (detection, error led
+	  and GPIO).
+
 config LEDS_FSG
 	tristate "LED Support for the Freecom FSG-3"
 	depends on MACH_FSG
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 0cd8b995738..77119f2e26b 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_LEDS_MIKROTIK_RB532)	+= leds-rb532.o
 obj-$(CONFIG_LEDS_S3C24XX)		+= leds-s3c24xx.o
 obj-$(CONFIG_LEDS_AMS_DELTA)		+= leds-ams-delta.o
 obj-$(CONFIG_LEDS_NET48XX)		+= leds-net48xx.o
+obj-$(CONFIG_LEDS_NET5501)		+= leds-net5501.o
 obj-$(CONFIG_LEDS_WRAP)			+= leds-wrap.o
 obj-$(CONFIG_LEDS_ALIX2)		+= leds-alix2.o
 obj-$(CONFIG_LEDS_H1940)		+= leds-h1940.o
diff --git a/drivers/leds/leds-net5501.c b/drivers/leds/leds-net5501.c
new file mode 100644
index 00000000000..3063f591f0d
--- /dev/null
+++ b/drivers/leds/leds-net5501.c
@@ -0,0 +1,94 @@
+/*
+ * Soekris board support code
+ *
+ * Copyright (C) 2008-2009 Tower Technologies
+ * Written by Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/string.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/geode.h>
+
+static struct gpio_led net5501_leds[] = {
+	{
+		.name = "error",
+		.gpio = 6,
+		.default_trigger = "default-on",
+	},
+};
+
+static struct gpio_led_platform_data net5501_leds_data = {
+	.num_leds = ARRAY_SIZE(net5501_leds),
+	.leds = net5501_leds,
+};
+
+static struct platform_device net5501_leds_dev = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev.platform_data = &net5501_leds_data,
+};
+
+static void __init init_net5501(void)
+{
+	platform_device_register(&net5501_leds_dev);
+}
+
+struct soekris_board {
+	u16	offset;
+	char	*sig;
+	u8	len;
+	void	(*init)(void);
+};
+
+static struct soekris_board __initdata boards[] = {
+	{ 0xb7b, "net5501", 7, init_net5501 },	/* net5501 v1.33/1.33c */
+	{ 0xb1f, "net5501", 7, init_net5501 },	/* net5501 v1.32i */
+};
+
+static int __init soekris_init(void)
+{
+	int i;
+	unsigned char *rombase, *bios;
+
+	if (!is_geode())
+		return 0;
+
+	rombase = ioremap(0xffff0000, 0xffff);
+	if (!rombase) {
+		printk(KERN_INFO "Soekris net5501 LED driver failed to get rombase");
+		return 0;
+	}
+
+	bios = rombase + 0x20;	/* null terminated */
+
+	if (strncmp(bios, "comBIOS", 7))
+		goto unmap;
+
+	for (i = 0; i < ARRAY_SIZE(boards); i++) {
+		unsigned char *model = rombase + boards[i].offset;
+
+		if (strncmp(model, boards[i].sig, boards[i].len) == 0) {
+			printk(KERN_INFO "Soekris %s: %s\n", model, bios);
+
+			if (boards[i].init)
+				boards[i].init();
+			break;
+		}
+	}
+
+unmap:
+	iounmap(rombase);
+	return 0;
+}
+
+arch_initcall(soekris_init);

From 2146325df2c2640059a9e064890c30c6e259b458 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Sat, 22 May 2010 20:54:55 +1000
Subject: [PATCH 3161/3638] leds: leds-gpio: Change blink_set callback to be
 able to turn off blinking

The leds-gpio blink_set() callback follows the same prototype as the
main leds subsystem blink_set() one.

The problem is that to stop blink, normally, a leds driver does it
in the brightness_set() callback when asked to set a new fixed value.

However, with leds-gpio, the platform has no hook to do so, as this
later callback results in a standard GPIO manipulation.

This changes the leds-gpio specific callback to take a new argument
that indicates whether the LED should be blinking or not and in what
state it should be set if not. We also update the dns323 platform
which seems to be the only user of this so far.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 arch/arm/mach-orion5x/dns323-setup.c | 22 +++++++++++---------
 drivers/leds/leds-gpio.c             | 31 +++++++++++++++++++++-------
 include/linux/leds.h                 | 12 +++++++----
 3 files changed, 44 insertions(+), 21 deletions(-)

diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
index 685f34a9634..fe0de1698ed 100644
--- a/arch/arm/mach-orion5x/dns323-setup.c
+++ b/arch/arm/mach-orion5x/dns323-setup.c
@@ -240,22 +240,23 @@ error_fail:
 
 #define ORION_BLINK_HALF_PERIOD 100 /* ms */
 
-static int dns323_gpio_blink_set(unsigned gpio,
+static int dns323_gpio_blink_set(unsigned gpio, int state,
 	unsigned long *delay_on, unsigned long *delay_off)
 {
-	static int value = 0;
 
-	if (!*delay_on && !*delay_off)
+	if (delay_on && delay_off && !*delay_on && !*delay_off)
 		*delay_on = *delay_off = ORION_BLINK_HALF_PERIOD;
 
-	if (ORION_BLINK_HALF_PERIOD == *delay_on
-	    && ORION_BLINK_HALF_PERIOD == *delay_off) {
-		value = !value;
-		orion_gpio_set_blink(gpio, value);
-		return 0;
+	switch(state) {
+	case GPIO_LED_NO_BLINK_LOW:
+	case GPIO_LED_NO_BLINK_HIGH:
+		orion_gpio_set_blink(gpio, 0);
+		gpio_set_value(gpio, state);
+		break;
+	case GPIO_LED_BLINK:
+		orion_gpio_set_blink(gpio, 1);
 	}
-
-	return -EINVAL;
+	return 0;
 }
 
 static struct gpio_led dns323_leds[] = {
@@ -263,6 +264,7 @@ static struct gpio_led dns323_leds[] = {
 		.name = "power:blue",
 		.gpio = DNS323_GPIO_LED_POWER2,
 		.default_trigger = "timer",
+		.active_low = 1,
 	}, {
 		.name = "right:amber",
 		.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 6d94b0b9979..26843dd6b85 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -26,7 +26,8 @@ struct gpio_led_data {
 	u8 new_level;
 	u8 can_sleep;
 	u8 active_low;
-	int (*platform_gpio_blink_set)(unsigned gpio,
+	u8 blinking;
+	int (*platform_gpio_blink_set)(unsigned gpio, int state,
 			unsigned long *delay_on, unsigned long *delay_off);
 };
 
@@ -35,7 +36,13 @@ static void gpio_led_work(struct work_struct *work)
 	struct gpio_led_data	*led_dat =
 		container_of(work, struct gpio_led_data, work);
 
-	gpio_set_value_cansleep(led_dat->gpio, led_dat->new_level);
+	if (led_dat->blinking) {
+		led_dat->platform_gpio_blink_set(led_dat->gpio,
+						 led_dat->new_level,
+						 NULL, NULL);
+		led_dat->blinking = 0;
+	} else
+		gpio_set_value_cansleep(led_dat->gpio, led_dat->new_level);
 }
 
 static void gpio_led_set(struct led_classdev *led_cdev,
@@ -60,8 +67,14 @@ static void gpio_led_set(struct led_classdev *led_cdev,
 	if (led_dat->can_sleep) {
 		led_dat->new_level = level;
 		schedule_work(&led_dat->work);
-	} else
-		gpio_set_value(led_dat->gpio, level);
+	} else {
+		if (led_dat->blinking) {
+			led_dat->platform_gpio_blink_set(led_dat->gpio, level,
+							 NULL, NULL);
+			led_dat->blinking = 0;
+		} else
+			gpio_set_value(led_dat->gpio, level);
+	}
 }
 
 static int gpio_blink_set(struct led_classdev *led_cdev,
@@ -70,12 +83,14 @@ static int gpio_blink_set(struct led_classdev *led_cdev,
 	struct gpio_led_data *led_dat =
 		container_of(led_cdev, struct gpio_led_data, cdev);
 
-	return led_dat->platform_gpio_blink_set(led_dat->gpio, delay_on, delay_off);
+	led_dat->blinking = 1;
+	return led_dat->platform_gpio_blink_set(led_dat->gpio, GPIO_LED_BLINK,
+						delay_on, delay_off);
 }
 
 static int __devinit create_gpio_led(const struct gpio_led *template,
 	struct gpio_led_data *led_dat, struct device *parent,
-	int (*blink_set)(unsigned, unsigned long *, unsigned long *))
+	int (*blink_set)(unsigned, int, unsigned long *, unsigned long *))
 {
 	int ret, state;
 
@@ -97,6 +112,7 @@ static int __devinit create_gpio_led(const struct gpio_led *template,
 	led_dat->gpio = template->gpio;
 	led_dat->can_sleep = gpio_cansleep(template->gpio);
 	led_dat->active_low = template->active_low;
+	led_dat->blinking = 0;
 	if (blink_set) {
 		led_dat->platform_gpio_blink_set = blink_set;
 		led_dat->cdev.blink_set = gpio_blink_set;
@@ -113,7 +129,7 @@ static int __devinit create_gpio_led(const struct gpio_led *template,
 	ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state);
 	if (ret < 0)
 		goto err;
-
+		
 	INIT_WORK(&led_dat->work, gpio_led_work);
 
 	ret = led_classdev_register(parent, &led_dat->cdev);
@@ -234,6 +250,7 @@ static int __devinit of_gpio_leds_probe(struct of_device *ofdev,
 		led.gpio = of_get_gpio_flags(child, 0, &flags);
 		led.active_low = flags & OF_GPIO_ACTIVE_LOW;
 		led.name = of_get_property(child, "label", NULL) ? : child->name;
+		led.blinking = 0;
 		led.default_trigger =
 			of_get_property(child, "linux,default-trigger", NULL);
 		state = of_get_property(child, "default-state", NULL);
diff --git a/include/linux/leds.h b/include/linux/leds.h
index d8bf9665e70..ba6986a1166 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -149,14 +149,18 @@ struct gpio_led {
 	unsigned	default_state : 2;
 	/* default_state should be one of LEDS_GPIO_DEFSTATE_(ON|OFF|KEEP) */
 };
-#define LEDS_GPIO_DEFSTATE_OFF	0
-#define LEDS_GPIO_DEFSTATE_ON	1
-#define LEDS_GPIO_DEFSTATE_KEEP	2
+#define LEDS_GPIO_DEFSTATE_OFF		0
+#define LEDS_GPIO_DEFSTATE_ON		1
+#define LEDS_GPIO_DEFSTATE_KEEP		2
 
 struct gpio_led_platform_data {
 	int 		num_leds;
 	struct gpio_led *leds;
-	int		(*gpio_blink_set)(unsigned gpio,
+
+#define GPIO_LED_NO_BLINK_LOW	0	/* No blink GPIO state low */
+#define GPIO_LED_NO_BLINK_HIGH	1	/* No blink GPIO state high */
+#define GPIO_LED_BLINK		2	/* Plase, blink */
+	int		(*gpio_blink_set)(unsigned gpio, int state,
 					unsigned long *delay_on,
 					unsigned long *delay_off);
 };

From 569762ef3dcf8fc5aecdb059d8c0741b90fe1d17 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 17 May 2010 08:48:28 +0800
Subject: [PATCH 3162/3638] leds: led-class: set permissions on max_brightness
 file to 0444

max_brightness is not writable, thus set permissions to 0444.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/led-class.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 69e7d86a514..26066007650 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -74,7 +74,7 @@ static ssize_t led_max_brightness_show(struct device *dev,
 
 static struct device_attribute led_class_attrs[] = {
 	__ATTR(brightness, 0644, led_brightness_show, led_brightness_store),
-	__ATTR(max_brightness, 0644, led_max_brightness_show, NULL),
+	__ATTR(max_brightness, 0444, led_max_brightness_show, NULL),
 #ifdef CONFIG_LEDS_TRIGGERS
 	__ATTR(trigger, 0644, led_trigger_show, led_trigger_store),
 #endif

From 7e1ce34f25c984a93dc0a2d8c217f7f78516b376 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 17 May 2010 17:47:48 +0800
Subject: [PATCH 3163/3638] leds: leds-lp3944: properly handle lp3944_configure
 fail in lp3944_probe

In current implementation, lp3944_probe return 0 even if lp3944_configure fail.
Therefore, led_classdev_unregister will be executed twice
( in error handling of lp3944_configure and lp3944_remove ).
This patch properly handles lp3944_configure fail in lp3944_probe.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/leds-lp3944.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-lp3944.c b/drivers/leds/leds-lp3944.c
index 8d5ecceba18..932a58da76c 100644
--- a/drivers/leds/leds-lp3944.c
+++ b/drivers/leds/leds-lp3944.c
@@ -379,6 +379,7 @@ static int __devinit lp3944_probe(struct i2c_client *client,
 {
 	struct lp3944_platform_data *lp3944_pdata = client->dev.platform_data;
 	struct lp3944_data *data;
+	int err;
 
 	if (lp3944_pdata == NULL) {
 		dev_err(&client->dev, "no platform data\n");
@@ -401,9 +402,13 @@ static int __devinit lp3944_probe(struct i2c_client *client,
 
 	mutex_init(&data->lock);
 
-	dev_info(&client->dev, "lp3944 enabled\n");
+	err = lp3944_configure(client, data, lp3944_pdata);
+	if (err < 0) {
+		kfree(data);
+		return err;
+	}
 
-	lp3944_configure(client, data, lp3944_pdata);
+	dev_info(&client->dev, "lp3944 enabled\n");
 	return 0;
 }
 

From 1e653accf7d2b02e75af550963b261b3243ac20e Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 17 May 2010 13:42:43 +0800
Subject: [PATCH 3164/3638] leds: leds-ss4200: fix led_classdev_unregister
 twice in error handling

In current implementation, if device_create_file failed in register_nasgpio_led,
led_classdev_unregister will be executed twice.
( in register_nasgpio_led it calls led_classdev_unregister before return and in nas_gpio_init out_err )

This patch fixes it by only unregistering those that were successfully registered in out_err.
( not including last failed register_nasgpio_led call )

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Dave Hansen <dave@sr71.net>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/leds-ss4200.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c
index 51477ec7139..a688293abd0 100644
--- a/drivers/leds/leds-ss4200.c
+++ b/drivers/leds/leds-ss4200.c
@@ -534,7 +534,7 @@ static int __init nas_gpio_init(void)
 	set_power_light_amber_noblink();
 	return 0;
 out_err:
-	for (; i >= 0; i--)
+	for (i--; i >= 0; i--)
 		unregister_nasgpio_led(i);
 	pci_unregister_driver(&nas_gpio_pci_driver);
 	return ret;

From 7fdcef8a414eaeb367b3696005b25283d62d195d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20R=C3=A9tornaz?= <philippe.retornaz@epfl.ch>
Date: Wed, 19 May 2010 09:24:31 +0200
Subject: [PATCH 3165/3638] leds: Add mc13783 LED support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This add basic led support for Freescale MC13783 PMIC.

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/Kconfig        |   7 +
 drivers/leds/Makefile       |   1 +
 drivers/leds/leds-mc13783.c | 403 ++++++++++++++++++++++++++++++++++++
 drivers/mfd/mc13783-core.c  |   4 +
 include/linux/mfd/mc13783.h |  66 ++++++
 5 files changed, 481 insertions(+)
 create mode 100644 drivers/leds/leds-mc13783.c

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index ecb6932c363..f98d17a7108 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -295,6 +295,13 @@ config LEDS_DELL_NETBOOKS
 	  This adds support for the Latitude 2100 and similar
 	  notebooks that have an external LED.
 
+config LEDS_MC13783
+	tristate "LED Support for MC13783 PMIC"
+	depends on MFD_MC13783
+	help
+	  This option enable support for on-chip LED drivers found
+	  on Freescale Semiconductor MC13783 PMIC.
+
 config LEDS_TRIGGERS
 	bool "LED Trigger support"
 	help
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 77119f2e26b..2493de49937 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_LEDS_INTEL_SS4200)		+= leds-ss4200.o
 obj-$(CONFIG_LEDS_LT3593)		+= leds-lt3593.o
 obj-$(CONFIG_LEDS_ADP5520)		+= leds-adp5520.o
 obj-$(CONFIG_LEDS_DELL_NETBOOKS)	+= dell-led.o
+obj-$(CONFIG_LEDS_MC13783)		+= leds-mc13783.o
 
 # LED SPI Drivers
 obj-$(CONFIG_LEDS_DAC124S085)		+= leds-dac124s085.o
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
new file mode 100644
index 00000000000..f05bb08d0f0
--- /dev/null
+++ b/drivers/leds/leds-mc13783.c
@@ -0,0 +1,403 @@
+/*
+ * LEDs driver for Freescale MC13783
+ *
+ * Copyright (C) 2010 Philippe Rétornaz
+ *
+ * Based on leds-da903x:
+ * Copyright (C) 2008 Compulab, Ltd.
+ *      Mike Rapoport <mike@compulab.co.il>
+ *
+ * Copyright (C) 2006-2008 Marvell International Ltd.
+ *      Eric Miao <eric.miao@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/workqueue.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/slab.h>
+
+struct mc13783_led {
+	struct led_classdev	cdev;
+	struct work_struct	work;
+	struct mc13783		*master;
+	enum led_brightness	new_brightness;
+	int			id;
+};
+
+#define MC13783_REG_LED_CONTROL_0	51
+#define MC13783_LED_C0_ENABLE_BIT	(1 << 0)
+#define MC13783_LED_C0_TRIODE_MD_BIT	(1 << 7)
+#define MC13783_LED_C0_TRIODE_AD_BIT	(1 << 8)
+#define MC13783_LED_C0_TRIODE_KP_BIT	(1 << 9)
+#define MC13783_LED_C0_BOOST_BIT	(1 << 10)
+#define MC13783_LED_C0_ABMODE_MASK	0x7
+#define MC13783_LED_C0_ABMODE		11
+#define MC13783_LED_C0_ABREF_MASK	0x3
+#define MC13783_LED_C0_ABREF		14
+
+#define MC13783_REG_LED_CONTROL_1	52
+#define MC13783_LED_C1_TC1HALF_BIT	(1 << 18)
+
+#define MC13783_REG_LED_CONTROL_2	53
+#define MC13783_LED_C2_BL_P_MASK	0xf
+#define MC13783_LED_C2_MD_P		9
+#define MC13783_LED_C2_AD_P		13
+#define MC13783_LED_C2_KP_P		17
+#define MC13783_LED_C2_BL_C_MASK	0x7
+#define MC13783_LED_C2_MD_C		0
+#define MC13783_LED_C2_AD_C		3
+#define MC13783_LED_C2_KP_C		6
+
+#define MC13783_REG_LED_CONTROL_3	54
+#define MC13783_LED_C3_TC_P		6
+#define MC13783_LED_C3_TC_P_MASK	0x1f
+
+#define MC13783_REG_LED_CONTROL_4	55
+#define MC13783_REG_LED_CONTROL_5	56
+
+#define MC13783_LED_Cx_PERIOD		21
+#define MC13783_LED_Cx_PERIOD_MASK	0x3
+#define MC13783_LED_Cx_SLEWLIM_BIT      (1 << 23)
+#define MC13783_LED_Cx_TRIODE_TC_BIT	(1 << 23)
+#define MC13783_LED_Cx_TC_C_MASK	0x3
+
+static void mc13783_led_work(struct work_struct *work)
+{
+	struct mc13783_led *led = container_of(work, struct mc13783_led, work);
+	int reg = 0;
+	int mask = 0;
+	int value = 0;
+	int bank, off, shift;
+
+	switch (led->id) {
+	case MC13783_LED_MD:
+		reg = MC13783_REG_LED_CONTROL_2;
+		mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_MD_P;
+		value = (led->new_brightness >> 4) << MC13783_LED_C2_MD_P;
+		break;
+	case MC13783_LED_AD:
+		reg = MC13783_REG_LED_CONTROL_2;
+		mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_AD_P;
+		value = (led->new_brightness >> 4) << MC13783_LED_C2_AD_P;
+		break;
+	case MC13783_LED_KP:
+		reg = MC13783_REG_LED_CONTROL_2;
+		mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_KP_P;
+		value = (led->new_brightness >> 4) << MC13783_LED_C2_KP_P;
+		break;
+	case MC13783_LED_R1:
+	case MC13783_LED_G1:
+	case MC13783_LED_B1:
+	case MC13783_LED_R2:
+	case MC13783_LED_G2:
+	case MC13783_LED_B2:
+	case MC13783_LED_R3:
+	case MC13783_LED_G3:
+	case MC13783_LED_B3:
+		off = led->id - MC13783_LED_R1;
+		bank = off/3;
+		reg = MC13783_REG_LED_CONTROL_3 + off/3;
+		shift = (off - bank * 3) * 5 + MC13783_LED_C3_TC_P;
+		value = (led->new_brightness >> 3) << shift;
+		mask = MC13783_LED_C3_TC_P_MASK << shift;
+		break;
+	}
+
+	mc13783_lock(led->master);
+
+	mc13783_reg_rmw(led->master, reg, mask, value);
+
+	mc13783_unlock(led->master);
+}
+
+static void mc13783_led_set(struct led_classdev *led_cdev,
+			   enum led_brightness value)
+{
+	struct mc13783_led *led;
+
+	led = container_of(led_cdev, struct mc13783_led, cdev);
+	led->new_brightness = value;
+	schedule_work(&led->work);
+}
+
+static int __devinit mc13783_led_setup(struct mc13783_led *led, int max_current)
+{
+	int shift = 0;
+	int mask = 0;
+	int value = 0;
+	int reg = 0;
+	int ret, bank;
+
+	switch (led->id) {
+	case MC13783_LED_MD:
+		shift = MC13783_LED_C2_MD_C;
+		mask = MC13783_LED_C2_BL_C_MASK;
+		value = max_current & MC13783_LED_C2_BL_C_MASK;
+		reg = MC13783_REG_LED_CONTROL_2;
+		break;
+	case MC13783_LED_AD:
+		shift = MC13783_LED_C2_AD_C;
+		mask = MC13783_LED_C2_BL_C_MASK;
+		value = max_current & MC13783_LED_C2_BL_C_MASK;
+		reg = MC13783_REG_LED_CONTROL_2;
+		break;
+	case MC13783_LED_KP:
+		shift = MC13783_LED_C2_KP_C;
+		mask = MC13783_LED_C2_BL_C_MASK;
+		value = max_current & MC13783_LED_C2_BL_C_MASK;
+		reg = MC13783_REG_LED_CONTROL_2;
+		break;
+	case MC13783_LED_R1:
+	case MC13783_LED_G1:
+	case MC13783_LED_B1:
+	case MC13783_LED_R2:
+	case MC13783_LED_G2:
+	case MC13783_LED_B2:
+	case MC13783_LED_R3:
+	case MC13783_LED_G3:
+	case MC13783_LED_B3:
+		bank = (led->id - MC13783_LED_R1)/3;
+		reg = MC13783_REG_LED_CONTROL_3 + bank;
+		shift = ((led->id - MC13783_LED_R1) - bank * 3) * 2;
+		mask = MC13783_LED_Cx_TC_C_MASK;
+		value = max_current & MC13783_LED_Cx_TC_C_MASK;
+		break;
+	}
+
+	mc13783_lock(led->master);
+
+	ret = mc13783_reg_rmw(led->master, reg, mask << shift,
+						value << shift);
+
+	mc13783_unlock(led->master);
+	return ret;
+}
+
+static int __devinit mc13783_leds_prepare(struct platform_device *pdev)
+{
+	struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
+	struct mc13783 *dev = dev_get_drvdata(pdev->dev.parent);
+	int ret = 0;
+	int reg = 0;
+
+	mc13783_lock(dev);
+
+	if (pdata->flags & MC13783_LED_TC1HALF)
+		reg |= MC13783_LED_C1_TC1HALF_BIT;
+
+	if (pdata->flags & MC13783_LED_SLEWLIMTC)
+		reg |= MC13783_LED_Cx_SLEWLIM_BIT;
+
+	ret = mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_1, reg);
+	if (ret)
+		goto out;
+
+	reg = (pdata->bl_period & MC13783_LED_Cx_PERIOD_MASK) <<
+							MC13783_LED_Cx_PERIOD;
+
+	if (pdata->flags & MC13783_LED_SLEWLIMBL)
+		reg |= MC13783_LED_Cx_SLEWLIM_BIT;
+
+	ret = mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_2, reg);
+	if (ret)
+		goto out;
+
+	reg = (pdata->tc1_period & MC13783_LED_Cx_PERIOD_MASK) <<
+							MC13783_LED_Cx_PERIOD;
+
+	if (pdata->flags & MC13783_LED_TRIODE_TC1)
+		reg |= MC13783_LED_Cx_TRIODE_TC_BIT;
+
+	ret = mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_3, reg);
+	if (ret)
+		goto out;
+
+	reg = (pdata->tc2_period & MC13783_LED_Cx_PERIOD_MASK) <<
+							MC13783_LED_Cx_PERIOD;
+
+	if (pdata->flags & MC13783_LED_TRIODE_TC2)
+		reg |= MC13783_LED_Cx_TRIODE_TC_BIT;
+
+	ret = mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_4, reg);
+	if (ret)
+		goto out;
+
+	reg = (pdata->tc3_period & MC13783_LED_Cx_PERIOD_MASK) <<
+							MC13783_LED_Cx_PERIOD;
+
+	if (pdata->flags & MC13783_LED_TRIODE_TC3)
+		reg |= MC13783_LED_Cx_TRIODE_TC_BIT;;
+
+	ret = mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_5, reg);
+	if (ret)
+		goto out;
+
+	reg = MC13783_LED_C0_ENABLE_BIT;
+	if (pdata->flags & MC13783_LED_TRIODE_MD)
+		reg |= MC13783_LED_C0_TRIODE_MD_BIT;
+	if (pdata->flags & MC13783_LED_TRIODE_AD)
+		reg |= MC13783_LED_C0_TRIODE_AD_BIT;
+	if (pdata->flags & MC13783_LED_TRIODE_KP)
+		reg |= MC13783_LED_C0_TRIODE_KP_BIT;
+	if (pdata->flags & MC13783_LED_BOOST_EN)
+		reg |= MC13783_LED_C0_BOOST_BIT;
+
+	reg |= (pdata->abmode & MC13783_LED_C0_ABMODE_MASK) <<
+							MC13783_LED_C0_ABMODE;
+	reg |= (pdata->abref & MC13783_LED_C0_ABREF_MASK) <<
+							MC13783_LED_C0_ABREF;
+
+	ret = mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_0, reg);
+
+out:
+	mc13783_unlock(dev);
+	return ret;
+}
+
+static int __devinit mc13783_led_probe(struct platform_device *pdev)
+{
+	struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
+	struct mc13783_led_platform_data *led_cur;
+	struct mc13783_led *led, *led_dat;
+	int ret, i;
+	int init_led = 0;
+
+	if (pdata == NULL) {
+		dev_err(&pdev->dev, "missing platform data\n");
+		return -ENODEV;
+	}
+
+	if (pdata->num_leds < 1 || pdata->num_leds > MC13783_LED_MAX) {
+		dev_err(&pdev->dev, "Invalid led count %d\n", pdata->num_leds);
+		return -EINVAL;
+	}
+
+	led = kzalloc(sizeof(*led) * pdata->num_leds, GFP_KERNEL);
+	if (led == NULL) {
+		dev_err(&pdev->dev, "failed to alloc memory\n");
+		return -ENOMEM;
+	}
+
+	ret = mc13783_leds_prepare(pdev);
+	if (ret) {
+		dev_err(&pdev->dev, "unable to init led driver\n");
+		goto err_free;
+	}
+
+	for (i = 0; i < pdata->num_leds; i++) {
+		led_dat = &led[i];
+		led_cur = &pdata->led[i];
+
+		if (led_cur->id > MC13783_LED_MAX || led_cur->id < 0) {
+			dev_err(&pdev->dev, "invalid id %d\n", led_cur->id);
+			ret = -EINVAL;
+			goto err_register;
+		}
+
+		if (init_led & (1 << led_cur->id)) {
+			dev_err(&pdev->dev, "led %d already initialized\n",
+					led_cur->id);
+			ret = -EINVAL;
+			goto err_register;
+		}
+
+		init_led |= 1 << led_cur->id;
+		led_dat->cdev.name = led_cur->name;
+		led_dat->cdev.default_trigger = led_cur->default_trigger;
+		led_dat->cdev.brightness_set = mc13783_led_set;
+		led_dat->cdev.brightness = LED_OFF;
+		led_dat->id = led_cur->id;
+		led_dat->master = dev_get_drvdata(pdev->dev.parent);
+
+		INIT_WORK(&led_dat->work, mc13783_led_work);
+
+		ret = led_classdev_register(pdev->dev.parent, &led_dat->cdev);
+		if (ret) {
+			dev_err(&pdev->dev, "failed to register led %d\n",
+					led_dat->id);
+			goto err_register;
+		}
+
+		ret = mc13783_led_setup(led_dat, led_cur->max_current);
+		if (ret) {
+			dev_err(&pdev->dev, "unable to init led %d\n",
+					led_dat->id);
+			i++;
+			goto err_register;
+		}
+	}
+
+	platform_set_drvdata(pdev, led);
+	return 0;
+
+err_register:
+	for (i = i - 1; i >= 0; i--) {
+		led_classdev_unregister(&led[i].cdev);
+		cancel_work_sync(&led[i].work);
+	}
+
+err_free:
+	kfree(led);
+	return ret;
+}
+
+static int __devexit mc13783_led_remove(struct platform_device *pdev)
+{
+	struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
+	struct mc13783_led *led = platform_get_drvdata(pdev);
+	struct mc13783 *dev = dev_get_drvdata(pdev->dev.parent);
+	int i;
+
+	for (i = 0; i < pdata->num_leds; i++) {
+		led_classdev_unregister(&led[i].cdev);
+		cancel_work_sync(&led[i].work);
+	}
+
+	mc13783_lock(dev);
+
+	mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_0, 0);
+	mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_1, 0);
+	mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_2, 0);
+	mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_3, 0);
+	mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_4, 0);
+	mc13783_reg_write(dev, MC13783_REG_LED_CONTROL_5, 0);
+
+	mc13783_unlock(dev);
+
+	kfree(led);
+	return 0;
+}
+
+static struct platform_driver mc13783_led_driver = {
+	.driver	= {
+		.name	= "mc13783-led",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= mc13783_led_probe,
+	.remove		= __devexit_p(mc13783_led_remove),
+};
+
+static int __init mc13783_led_init(void)
+{
+	return platform_driver_register(&mc13783_led_driver);
+}
+module_init(mc13783_led_init);
+
+static void __exit mc13783_led_exit(void)
+{
+	platform_driver_unregister(&mc13783_led_driver);
+}
+module_exit(mc13783_led_exit);
+
+MODULE_DESCRIPTION("LEDs driver for Freescale MC13783 PMIC");
+MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mc13783-led");
diff --git a/drivers/mfd/mc13783-core.c b/drivers/mfd/mc13783-core.c
index 1f68ecadddc..fecf38a4f02 100644
--- a/drivers/mfd/mc13783-core.c
+++ b/drivers/mfd/mc13783-core.c
@@ -679,6 +679,10 @@ err_revision:
 	if (pdata->flags & MC13783_USE_TOUCHSCREEN)
 		mc13783_add_subdevice(mc13783, "mc13783-ts");
 
+	if (pdata->flags & MC13783_USE_LED)
+		mc13783_add_subdevice_pdata(mc13783, "mc13783-led",
+					pdata->leds, sizeof(*pdata->leds));
+
 	return 0;
 }
 
diff --git a/include/linux/mfd/mc13783.h b/include/linux/mfd/mc13783.h
index 8895d9d8879..4a894f68854 100644
--- a/include/linux/mfd/mc13783.h
+++ b/include/linux/mfd/mc13783.h
@@ -64,6 +64,70 @@ static inline int mc13783_ackirq(struct mc13783 *mc13783, int irq)
 					MC13783_ADC0_TSMOD1 | \
 					MC13783_ADC0_TSMOD2)
 
+struct mc13783_led_platform_data {
+#define MC13783_LED_MD		0
+#define MC13783_LED_AD		1
+#define MC13783_LED_KP		2
+#define MC13783_LED_R1		3
+#define MC13783_LED_G1		4
+#define MC13783_LED_B1		5
+#define MC13783_LED_R2		6
+#define MC13783_LED_G2		7
+#define MC13783_LED_B2		8
+#define MC13783_LED_R3		9
+#define MC13783_LED_G3		10
+#define MC13783_LED_B3		11
+#define MC13783_LED_MAX MC13783_LED_B3
+	int id;
+	const char *name;
+	const char *default_trigger;
+
+/* Three or two bits current selection depending on the led */
+	char max_current;
+};
+
+struct mc13783_leds_platform_data {
+	int num_leds;
+	struct mc13783_led_platform_data *led;
+
+#define MC13783_LED_TRIODE_MD	(1 << 0)
+#define MC13783_LED_TRIODE_AD	(1 << 1)
+#define MC13783_LED_TRIODE_KP	(1 << 2)
+#define MC13783_LED_BOOST_EN	(1 << 3)
+#define MC13783_LED_TC1HALF	(1 << 4)
+#define MC13783_LED_SLEWLIMTC	(1 << 5)
+#define MC13783_LED_SLEWLIMBL	(1 << 6)
+#define MC13783_LED_TRIODE_TC1	(1 << 7)
+#define MC13783_LED_TRIODE_TC2	(1 << 8)
+#define MC13783_LED_TRIODE_TC3	(1 << 9)
+	int flags;
+
+#define MC13783_LED_AB_DISABLED		0
+#define MC13783_LED_AB_MD1		1
+#define MC13783_LED_AB_MD12		2
+#define MC13783_LED_AB_MD123		3
+#define MC13783_LED_AB_MD1234		4
+#define MC13783_LED_AB_MD1234_AD1	5
+#define MC13783_LED_AB_MD1234_AD12	6
+#define MC13783_LED_AB_MD1_AD		7
+	char abmode;
+
+#define MC13783_LED_ABREF_200MV	0
+#define MC13783_LED_ABREF_400MV	1
+#define MC13783_LED_ABREF_600MV	2
+#define MC13783_LED_ABREF_800MV	3
+	char abref;
+
+#define MC13783_LED_PERIOD_10MS		0
+#define MC13783_LED_PERIOD_100MS	1
+#define MC13783_LED_PERIOD_500MS	2
+#define MC13783_LED_PERIOD_2S		3
+	char bl_period;
+	char tc1_period;
+	char tc2_period;
+	char tc3_period;
+};
+
 /* to be cleaned up */
 struct regulator_init_data;
 
@@ -80,12 +144,14 @@ struct mc13783_regulator_platform_data {
 struct mc13783_platform_data {
 	int num_regulators;
 	struct mc13783_regulator_init_data *regulators;
+	struct mc13783_leds_platform_data *leds;
 
 #define MC13783_USE_TOUCHSCREEN (1 << 0)
 #define MC13783_USE_CODEC	(1 << 1)
 #define MC13783_USE_ADC		(1 << 2)
 #define MC13783_USE_RTC		(1 << 3)
 #define MC13783_USE_REGULATOR	(1 << 4)
+#define MC13783_USE_LED		(1 << 5)
 	unsigned int flags;
 };
 

From a7cca8aec9d08231207503e4823e7b47bfa7e596 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20R=C3=A9tornaz?= <philippe.retornaz@epfl.ch>
Date: Wed, 19 May 2010 09:24:32 +0200
Subject: [PATCH 3166/3638] leds: Add mx31moboard MC13783 led support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add two RGB led on mx31moboard using MC13783 led subsystem

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 arch/arm/mach-mx3/mach-mx31moboard.c | 45 +++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-mx3/mach-mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c
index 33a8d35498a..62b5e40165d 100644
--- a/arch/arm/mach-mx3/mach-mx31moboard.c
+++ b/arch/arm/mach-mx3/mach-mx31moboard.c
@@ -220,11 +220,54 @@ static struct mc13783_regulator_init_data moboard_regulators[] = {
 	},
 };
 
+static struct mc13783_led_platform_data moboard_led[] = {
+	{
+		.id = MC13783_LED_R1,
+		.name = "coreboard-led-4:red",
+		.max_current = 2,
+	},
+	{
+		.id = MC13783_LED_G1,
+		.name = "coreboard-led-4:green",
+		.max_current = 2,
+	},
+	{
+		.id = MC13783_LED_B1,
+		.name = "coreboard-led-4:blue",
+		.max_current = 2,
+	},
+	{
+		.id = MC13783_LED_R2,
+		.name = "coreboard-led-5:red",
+		.max_current = 3,
+	},
+	{
+		.id = MC13783_LED_G2,
+		.name = "coreboard-led-5:green",
+		.max_current = 3,
+	},
+	{
+		.id = MC13783_LED_B2,
+		.name = "coreboard-led-5:blue",
+		.max_current = 3,
+	},
+};
+
+static struct mc13783_leds_platform_data moboard_leds = {
+	.num_leds = ARRAY_SIZE(moboard_led),
+	.led = moboard_led,
+	.flags = MC13783_LED_SLEWLIMTC,
+	.abmode = MC13783_LED_AB_DISABLED,
+	.tc1_period = MC13783_LED_PERIOD_10MS,
+	.tc2_period = MC13783_LED_PERIOD_10MS,
+};
+
 static struct mc13783_platform_data moboard_pmic = {
 	.regulators = moboard_regulators,
 	.num_regulators = ARRAY_SIZE(moboard_regulators),
+	.leds = &moboard_leds,
 	.flags = MC13783_USE_REGULATOR | MC13783_USE_RTC |
-		MC13783_USE_ADC,
+		MC13783_USE_ADC | MC13783_USE_LED,
 };
 
 static struct spi_board_info moboard_spi_board_info[] __initdata = {

From 3e4a326df654d748d73600068fbdbdfed0b0db43 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 22 Mar 2010 20:51:36 -0400
Subject: [PATCH 3167/3638] backlight: backlight_device_register() return
 ERR_PTR()

backlight_device_register() returns a valid pointer or ERR_PTR() never
NULL.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/adx_bl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/backlight/adx_bl.c b/drivers/video/backlight/adx_bl.c
index 7f4a7c30a98..fe9af129c5d 100644
--- a/drivers/video/backlight/adx_bl.c
+++ b/drivers/video/backlight/adx_bl.c
@@ -107,8 +107,8 @@ static int __devinit adx_backlight_probe(struct platform_device *pdev)
 	props.max_brightness = 0xff;
 	bldev = backlight_device_register(dev_name(&pdev->dev), &pdev->dev,
 					  bl, &adx_backlight_ops, &props);
-	if (!bldev) {
-		ret = -ENOMEM;
+	if (IS_ERR(bldev)) {
+		ret = PTR_ERR(bldev);
 		goto out;
 	}
 

From 8fdd5767ebe5806f02e1c8d9ac67ac4da8836f53 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Tue, 30 Mar 2010 13:17:35 -0500
Subject: [PATCH 3168/3638] backlight: Kconfig cleanup

Cleanup the "depends on" logic by wrapping the affected config options in
appropriate if/endif blocks.

Remove all the "default n" since that is the default default.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/Kconfig | 79 +++++++++++++++------------------
 1 file changed, 35 insertions(+), 44 deletions(-)

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index c025c84601b..4dfb5f44dff 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -8,12 +8,13 @@ menuconfig BACKLIGHT_LCD_SUPPORT
 	  Enable this to be able to choose the drivers for controlling the
 	  backlight and the LCD panel on some platforms, for example on PDAs.
 
+if BACKLIGHT_LCD_SUPPORT
+
 #
 # LCD
 #
 config LCD_CLASS_DEVICE
         tristate "Lowlevel LCD controls"
-	depends on BACKLIGHT_LCD_SUPPORT
 	default m
 	help
 	  This framework adds support for low-level control of LCD.
@@ -24,31 +25,32 @@ config LCD_CLASS_DEVICE
 	  To have support for your specific LCD panel you will have to
 	  select the proper drivers which depend on this option.
 
+if LCD_CLASS_DEVICE
+
 config LCD_CORGI
 	tristate "LCD Panel support for SHARP corgi/spitz model"
-	depends on LCD_CLASS_DEVICE && SPI_MASTER && PXA_SHARPSL
+	depends on SPI_MASTER && PXA_SHARPSL
 	help
 	  Say y here to support the LCD panels usually found on SHARP
 	  corgi (C7x0) and spitz (Cxx00) models.
 
 config LCD_L4F00242T03
 	tristate "Epson L4F00242T03 LCD"
-	depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO
+	depends on SPI_MASTER && GENERIC_GPIO
 	help
 	  SPI driver for Epson L4F00242T03. This provides basic support
 	  for init and powering the LCD up/down through a sysfs interface.
 
 config LCD_LMS283GF05
 	tristate "Samsung LMS283GF05 LCD"
-	depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO
+	depends on SPI_MASTER && GENERIC_GPIO
 	help
 	  SPI driver for Samsung LMS283GF05. This provides basic support
 	  for powering the LCD up/down through a sysfs interface.
 
 config LCD_LTV350QV
 	tristate "Samsung LTV350QV LCD Panel"
-	depends on LCD_CLASS_DEVICE && SPI_MASTER
-	default n
+	depends on SPI_MASTER
 	help
 	  If you have a Samsung LTV350QV LCD panel, say y to include a
 	  power control driver for it.  The panel starts up in power
@@ -59,60 +61,53 @@ config LCD_LTV350QV
 
 config LCD_ILI9320
 	tristate
-	depends on LCD_CLASS_DEVICE && BACKLIGHT_LCD_SUPPORT
-	default n
 	help
 	  If you have a panel based on the ILI9320 controller chip
 	  then say y to include a power driver for it.
 
 config LCD_TDO24M
 	tristate "Toppoly TDO24M  and TDO35S LCD Panels support"
-	depends on LCD_CLASS_DEVICE && SPI_MASTER
-	default n
+	depends on SPI_MASTER
 	help
 	  If you have a Toppoly TDO24M/TDO35S series LCD panel, say y here to
 	  include the support for it.
 
 config LCD_VGG2432A4
 	tristate "VGG2432A4 LCM device support"
-	depends on BACKLIGHT_LCD_SUPPORT && LCD_CLASS_DEVICE && SPI_MASTER
+	depends on SPI_MASTER
 	select LCD_ILI9320
-	default n
 	help
 	  If you have a VGG2432A4 panel based on the ILI9320 controller chip
 	  then say y to include a power driver for it.
 
 config LCD_PLATFORM
 	tristate "Platform LCD controls"
-	depends on LCD_CLASS_DEVICE
 	help
 	  This driver provides a platform-device registered LCD power
 	  control interface.
 
 config LCD_TOSA
 	tristate "Sharp SL-6000 LCD Driver"
-	depends on LCD_CLASS_DEVICE && SPI
-	depends on MACH_TOSA
-	default n
+	depends on SPI && MACH_TOSA
 	help
 	  If you have an Sharp SL-6000 Zaurus say Y to enable a driver
 	  for its LCD.
 
 config LCD_HP700
 	tristate "HP Jornada 700 series LCD Driver"
-	depends on LCD_CLASS_DEVICE
 	depends on SA1100_JORNADA720_SSP && !PREEMPT
 	default y
 	help
 	  If you have an HP Jornada 700 series handheld (710/720/728)
 	  say Y to enable LCD control driver.
 
+endif # LCD_CLASS_DEVICE
+
 #
 # Backlight
 #
 config BACKLIGHT_CLASS_DEVICE
         tristate "Lowlevel Backlight controls"
-	depends on BACKLIGHT_LCD_SUPPORT
 	default m
 	help
 	  This framework adds support for low-level control of the LCD
@@ -121,9 +116,11 @@ config BACKLIGHT_CLASS_DEVICE
 	  To have support for your specific LCD panel you will have to
 	  select the proper drivers which depend on this option.
 
+if BACKLIGHT_CLASS_DEVICE
+
 config BACKLIGHT_ATMEL_LCDC
 	bool "Atmel LCDC Contrast-as-Backlight control"
-	depends on BACKLIGHT_CLASS_DEVICE && FB_ATMEL
+	depends on FB_ATMEL
 	default y if MACH_SAM9261EK || MACH_SAM9G10EK || MACH_SAM9263EK
 	help
 	  This provides a backlight control internal to the Atmel LCDC
@@ -136,8 +133,7 @@ config BACKLIGHT_ATMEL_LCDC
 
 config BACKLIGHT_ATMEL_PWM
 	tristate "Atmel PWM backlight control"
-	depends on BACKLIGHT_CLASS_DEVICE && ATMEL_PWM
-	default n
+	depends on ATMEL_PWM
 	help
 	  Say Y here if you want to use the PWM peripheral in Atmel AT91 and
 	  AVR32 devices. This driver will need additional platform data to know
@@ -148,7 +144,6 @@ config BACKLIGHT_ATMEL_PWM
 
 config BACKLIGHT_GENERIC
 	tristate "Generic (aka Sharp Corgi) Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE
 	default y
 	help
 	  Say y to enable the generic platform backlight driver previously
@@ -157,7 +152,7 @@ config BACKLIGHT_GENERIC
 
 config BACKLIGHT_LOCOMO
 	tristate "Sharp LOCOMO LCD/Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && SHARP_LOCOMO
+	depends on SHARP_LOCOMO
 	default y
 	help
 	  If you have a Sharp Zaurus SL-5500 (Collie) or SL-5600 (Poodle) say y to
@@ -165,7 +160,7 @@ config BACKLIGHT_LOCOMO
 
 config BACKLIGHT_OMAP1
 	tristate "OMAP1 PWL-based LCD Backlight"
-	depends on BACKLIGHT_CLASS_DEVICE && ARCH_OMAP1
+	depends on ARCH_OMAP1
 	default y
 	help
 	  This driver controls the LCD backlight level and power for
@@ -174,7 +169,7 @@ config BACKLIGHT_OMAP1
 
 config BACKLIGHT_HP680
 	tristate "HP Jornada 680 Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && SH_HP6XX
+	depends on SH_HP6XX
 	default y
 	help
 	  If you have a HP Jornada 680, say y to enable the
@@ -182,7 +177,6 @@ config BACKLIGHT_HP680
 
 config BACKLIGHT_HP700
 	tristate "HP Jornada 700 series Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE
 	depends on SA1100_JORNADA720_SSP && !PREEMPT
 	default y
 	help
@@ -191,76 +185,70 @@ config BACKLIGHT_HP700
 
 config BACKLIGHT_PROGEAR
 	tristate "Frontpath ProGear Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && PCI && X86
-	default n
+	depends on PCI && X86
 	help
 	  If you have a Frontpath ProGear say Y to enable the
 	  backlight driver.
 
 config BACKLIGHT_CARILLO_RANCH
 	tristate "Intel Carillo Ranch Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && LCD_CLASS_DEVICE && PCI && X86 && FB_LE80578
-	default n
+	depends on LCD_CLASS_DEVICE && PCI && X86 && FB_LE80578
 	help
 	  If you have a Intel LE80578 (Carillo Ranch) say Y to enable the
 	  backlight driver.
 
 config BACKLIGHT_PWM
 	tristate "Generic PWM based Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && HAVE_PWM
+	depends on HAVE_PWM
 	help
 	  If you have a LCD backlight adjustable by PWM, say Y to enable
 	  this driver.
 
 config BACKLIGHT_DA903X
 	tristate "Backlight Driver for DA9030/DA9034 using WLED"
-	depends on BACKLIGHT_CLASS_DEVICE && PMIC_DA903X
+	depends on PMIC_DA903X
 	help
 	  If you have a LCD backlight connected to the WLED output of DA9030
 	  or DA9034 WLED output, say Y here to enable this driver.
 
 config BACKLIGHT_MAX8925
 	tristate "Backlight driver for MAX8925"
-	depends on BACKLIGHT_CLASS_DEVICE && MFD_MAX8925
+	depends on MFD_MAX8925
 	help
 	  If you have a LCD backlight connected to the WLED output of MAX8925
 	  WLED output, say Y here to enable this driver.
 
 config BACKLIGHT_MBP_NVIDIA
        tristate "MacBook Pro Nvidia Backlight Driver"
-       depends on BACKLIGHT_CLASS_DEVICE && X86
-       default n
+       depends on X86
        help
          If you have an Apple Macbook Pro with Nvidia graphics hardware say Y
 	 to enable a driver for its backlight
 
 config BACKLIGHT_TOSA
 	tristate "Sharp SL-6000 Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && I2C
-	depends on MACH_TOSA && LCD_TOSA
-	default n
+	depends on I2C && MACH_TOSA && LCD_TOSA
 	help
 	  If you have an Sharp SL-6000 Zaurus say Y to enable a driver
 	  for its backlight
 
 config BACKLIGHT_SAHARA
 	tristate "Tabletkiosk Sahara Touch-iT Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && X86
-	default n
+	depends on X86
 	help
 	  If you have a Tabletkiosk Sahara Touch-iT, say y to enable the
 	  backlight driver.
 
 config BACKLIGHT_WM831X
 	tristate "WM831x PMIC Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && MFD_WM831X
+	depends on MFD_WM831X
 	help
 	  If you have a backlight driven by the ISINK and DCDC of a
 	  WM831x PMIC say y to enable the backlight driver for it.
 
 config BACKLIGHT_ADX
 	tristate "Avionic Design Xanthos Backlight Driver"
-	depends on BACKLIGHT_CLASS_DEVICE && ARCH_PXA_ADX
+	depends on ARCH_PXA_ADX
 	default y
 	help
 	  Say Y to enable the backlight driver on Avionic Design Xanthos-based
@@ -268,7 +256,7 @@ config BACKLIGHT_ADX
 
 config BACKLIGHT_ADP5520
 	tristate "Backlight Driver for ADP5520/ADP5501 using WLED"
-	depends on BACKLIGHT_CLASS_DEVICE && PMIC_ADP5520
+	depends on PMIC_ADP5520
 	help
 	  If you have a LCD backlight connected to the BST/BL_SNK output of
 	  ADP5520 or ADP5501, say Y here to enable this driver.
@@ -278,7 +266,10 @@ config BACKLIGHT_ADP5520
 
 config BACKLIGHT_88PM860X
 	tristate "Backlight Driver for 88PM8606 using WLED"
-	depends on BACKLIGHT_CLASS_DEVICE && MFD_88PM860X
+	depends on MFD_88PM860X
 	help
 	  Say Y to enable the backlight driver for Marvell 88PM8606.
 
+endif # BACKLIGHT_CLASS_DEVICE
+
+endif # BACKLIGHT_LCD_SUPPORT

From 8193db229101fa5e7e7070422a7471775140e7bd Mon Sep 17 00:00:00 2001
From: Mario Schwalbe <schwalbe@inf.tu-dresden.de>
Date: Mon, 19 Apr 2010 17:59:26 +0100
Subject: [PATCH 3169/3638] backlight: mbp_nvidia_bl - add support for older
 MacBookPro and MacBook 6,1.

Add support for all remaining models not yet present in Linus'/Richard
Purdie's tree nor Evan McClain's patch to finally complete the list.

Signed-off-by: Mario Schwalbe <schwalbe@inf.tu-dresden.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/mbp_nvidia_bl.c | 45 +++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c
index 1b5d3fe6bbb..52c780f5db1 100644
--- a/drivers/video/backlight/mbp_nvidia_bl.c
+++ b/drivers/video/backlight/mbp_nvidia_bl.c
@@ -182,6 +182,42 @@ static const struct dmi_system_id __initdata mbp_device_table[] = {
 		},
 		.driver_data	= (void *)&intel_chipset_data,
 	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBookPro 1,1",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBookPro 1,2",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,2"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBookPro 2,1",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,1"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBookPro 2,2",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
 	{
 		.callback	= mbp_dmi_match,
 		.ident		= "MacBookPro 3,1",
@@ -236,6 +272,15 @@ static const struct dmi_system_id __initdata mbp_device_table[] = {
 		},
 		.driver_data	= (void *)&nvidia_chipset_data,
 	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBook 6,1",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBook6,1"),
+		},
+		.driver_data	= (void *)&nvidia_chipset_data,
+	},
 	{
 		.callback	= mbp_dmi_match,
 		.ident		= "MacBookAir 2,1",

From 9844ce0501b03843c44156d6e36afb80e847c974 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 7 May 2010 11:06:21 +0200
Subject: [PATCH 3170/3638] backlight: 88pm860x_bl - potential memory leak

I added a kfree() on the error path.  I don't really expect it to affect
anyone, but it's easy and makes the static checkers happy.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/88pm860x_bl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index 68d2518fada..78d8fde9fe8 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -222,6 +222,7 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
 	data->port = __check_device(pdata, name);
 	if (data->port < 0) {
 		dev_err(&pdev->dev, "wrong platform data is assigned");
+		kfree(data);
 		return -EINVAL;
 	}
 

From 82fd53b7f70af9855eda613450a7e4701ffdae20 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Fri, 30 Apr 2010 14:09:51 -0700
Subject: [PATCH 3171/3638] backlight: new driver for the ADP8860 backlight
 parts

The ADP8860 combines a programmable backlight LED charge pump driver with
automatic phototransistor control.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/Kconfig      |  12 +
 drivers/video/backlight/Makefile     |   1 +
 drivers/video/backlight/adp8860_bl.c | 809 +++++++++++++++++++++++++++
 include/linux/i2c/adp8860.h          | 137 +++++
 4 files changed, 959 insertions(+)
 create mode 100644 drivers/video/backlight/adp8860_bl.c
 create mode 100644 include/linux/i2c/adp8860.h

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 4dfb5f44dff..0f7e795f27f 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -264,6 +264,18 @@ config BACKLIGHT_ADP5520
 	  To compile this driver as a module, choose M here: the module will
 	  be called adp5520_bl.
 
+config BACKLIGHT_ADP8860
+	tristate "Backlight Driver for ADP8860 using WLED"
+	depends on BACKLIGHT_CLASS_DEVICE && I2C
+	select NEW_LEDS
+	select LEDS_CLASS
+	help
+	  If you have a LCD backlight connected to the ADP8860,
+	  say Y here to enable this driver.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called adp8860_bl.
+
 config BACKLIGHT_88PM860X
 	tristate "Backlight Driver for 88PM8606 using WLED"
 	depends on MFD_88PM860X
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index 09d1f14d625..3cbaacae8f9 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -30,5 +30,6 @@ obj-$(CONFIG_BACKLIGHT_SAHARA)	+= kb3886_bl.o
 obj-$(CONFIG_BACKLIGHT_WM831X)	+= wm831x_bl.o
 obj-$(CONFIG_BACKLIGHT_ADX)    += adx_bl.o
 obj-$(CONFIG_BACKLIGHT_ADP5520)	+= adp5520_bl.o
+obj-$(CONFIG_BACKLIGHT_ADP8860)	+= adp8860_bl.o
 obj-$(CONFIG_BACKLIGHT_88PM860X) += 88pm860x_bl.o
 
diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
new file mode 100644
index 00000000000..3c449d2f68b
--- /dev/null
+++ b/drivers/video/backlight/adp8860_bl.c
@@ -0,0 +1,809 @@
+/*
+ * Backlight driver for Analog Devices ADP8860 Backlight Devices
+ *
+ * Copyright 2009-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/pm.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/fb.h>
+#include <linux/backlight.h>
+#include <linux/leds.h>
+#include <linux/workqueue.h>
+
+#include <linux/i2c/adp8860.h>
+#define ADP8860_EXT_FEATURES
+#define ADP8860_USE_LEDS
+
+#define ADP8860_MFDVID 0x00 /* Manufacturer and device ID */
+#define ADP8860_MDCR 0x01 /* Device mode and status */
+#define ADP8860_MDCR2 0x02 /* Device mode and Status Register 2 */
+#define ADP8860_INTR_EN 0x03 /* Interrupts enable */
+#define ADP8860_CFGR 0x04 /* Configuration register */
+#define ADP8860_BLSEN 0x05 /* Sink enable backlight or independent */
+#define ADP8860_BLOFF 0x06 /* Backlight off timeout */
+#define ADP8860_BLDIM 0x07 /* Backlight dim timeout */
+#define ADP8860_BLFR 0x08 /* Backlight fade in and out rates */
+#define ADP8860_BLMX1 0x09 /* Backlight (Brightness Level 1-daylight) maximum current */
+#define ADP8860_BLDM1 0x0A /* Backlight (Brightness Level 1-daylight) dim current */
+#define ADP8860_BLMX2 0x0B /* Backlight (Brightness Level 2-office) maximum current */
+#define ADP8860_BLDM2 0x0C /* Backlight (Brightness Level 2-office) dim current */
+#define ADP8860_BLMX3 0x0D /* Backlight (Brightness Level 3-dark) maximum current */
+#define ADP8860_BLDM3 0x0E /* Backlight (Brightness Level 3-dark) dim current */
+#define ADP8860_ISCFR 0x0F /* Independent sink current fade control register */
+#define ADP8860_ISCC 0x10 /* Independent sink current control register */
+#define ADP8860_ISCT1 0x11 /* Independent Sink Current Timer Register LED[7:5] */
+#define ADP8860_ISCT2 0x12 /* Independent Sink Current Timer Register LED[4:1] */
+#define ADP8860_ISCF 0x13 /* Independent sink current fade register */
+#define ADP8860_ISC7 0x14 /* Independent Sink Current LED7 */
+#define ADP8860_ISC6 0x15 /* Independent Sink Current LED6 */
+#define ADP8860_ISC5 0x16 /* Independent Sink Current LED5 */
+#define ADP8860_ISC4 0x17 /* Independent Sink Current LED4 */
+#define ADP8860_ISC3 0x18 /* Independent Sink Current LED3 */
+#define ADP8860_ISC2 0x19 /* Independent Sink Current LED2 */
+#define ADP8860_ISC1 0x1A /* Independent Sink Current LED1 */
+#define ADP8860_CCFG 0x1B /* Comparator configuration */
+#define ADP8860_CCFG2 0x1C /* Second comparator configuration */
+#define ADP8860_L2_TRP 0x1D /* L2 comparator reference */
+#define ADP8860_L2_HYS 0x1E /* L2 hysteresis */
+#define ADP8860_L3_TRP 0x1F /* L3 comparator reference */
+#define ADP8860_L3_HYS 0x20 /* L3 hysteresis */
+#define ADP8860_PH1LEVL 0x21 /* First phototransistor ambient light level-low byte register */
+#define ADP8860_PH1LEVH 0x22 /* First phototransistor ambient light level-high byte register */
+#define ADP8860_PH2LEVL 0x23 /* Second phototransistor ambient light level-low byte register */
+#define ADP8860_PH2LEVH 0x24 /* Second phototransistor ambient light level-high byte register */
+
+#define ADP8860_MANUFID		0x0  /* Analog Devices ADP8860 Manufacturer ID */
+#define ADP8860_DEVICEID	0x7  /* Analog Devices ADP8860 Device ID */
+#define ADP8860_DEVID(x)	((x) & 0xF)
+#define ADP8860_MANID(x)	((x) >> 4)
+
+/* MDCR Device mode and status */
+#define INT_CFG			(1 << 6)
+#define NSTBY			(1 << 5)
+#define DIM_EN			(1 << 4)
+#define SIS_EN			(1 << 2)
+#define CMP_AUTOEN		(1 << 1)
+#define BLEN			(1 << 0)
+
+/* ADP8860_CCFG Main ALS comparator level enable */
+#define L3_EN			(1 << 1)
+#define L2_EN			(1 << 0)
+
+#define CFGR_BLV_SHIFT		3
+#define CFGR_BLV_MASK		0x3
+#define ADP8860_FLAG_LED_MASK	0xFF
+
+#define FADE_VAL(in, out)	((0xF & (in)) | ((0xF & (out)) << 4))
+#define BL_CFGR_VAL(law, blv)	((((blv) & CFGR_BLV_MASK) << CFGR_BLV_SHIFT) | ((0x3 & (law)) << 1))
+#define ALS_CCFG_VAL(filt)	((0x7 & filt) << 5)
+
+struct adp8860_led {
+	struct led_classdev	cdev;
+	struct work_struct	work;
+	struct i2c_client	*client;
+	enum led_brightness	new_brightness;
+	int			id;
+	int			flags;
+};
+
+struct adp8860_bl {
+	struct i2c_client *client;
+	struct backlight_device *bl;
+	struct adp8860_led *led;
+	struct adp8860_backlight_platform_data *pdata;
+	struct mutex lock;
+	unsigned long cached_daylight_max;
+	int id;
+	int revid;
+	int current_brightness;
+};
+
+static int adp8860_read(struct i2c_client *client, int reg, uint8_t *val)
+{
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(client, reg);
+	if (ret < 0) {
+		dev_err(&client->dev, "failed reading at 0x%02x\n", reg);
+		return ret;
+	}
+
+	*val = (uint8_t)ret;
+	return 0;
+}
+
+
+static int adp8860_write(struct i2c_client *client, u8 reg, u8 val)
+{
+	return i2c_smbus_write_byte_data(client, reg, val);
+}
+
+static int adp8860_set_bits(struct i2c_client *client, int reg, uint8_t bit_mask)
+{
+	struct adp8860_bl *data = i2c_get_clientdata(client);
+	uint8_t reg_val;
+	int ret;
+
+	mutex_lock(&data->lock);
+
+	ret = adp8860_read(client, reg, &reg_val);
+
+	if (!ret && ((reg_val & bit_mask) == 0)) {
+		reg_val |= bit_mask;
+		ret = adp8860_write(client, reg, reg_val);
+	}
+
+	mutex_unlock(&data->lock);
+	return ret;
+}
+
+static int adp8860_clr_bits(struct i2c_client *client, int reg, uint8_t bit_mask)
+{
+	struct adp8860_bl *data = i2c_get_clientdata(client);
+	uint8_t reg_val;
+	int ret;
+
+	mutex_lock(&data->lock);
+
+	ret = adp8860_read(client, reg, &reg_val);
+
+	if (!ret && (reg_val & bit_mask)) {
+		reg_val &= ~bit_mask;
+		ret = adp8860_write(client, reg, reg_val);
+	}
+
+	mutex_unlock(&data->lock);
+	return ret;
+}
+
+/*
+ * Independent sink / LED
+ */
+#if defined(ADP8860_USE_LEDS)
+static void adp8860_led_work(struct work_struct *work)
+{
+	struct adp8860_led *led = container_of(work, struct adp8860_led, work);
+	adp8860_write(led->client, ADP8860_ISC1 - led->id + 1,
+			 led->new_brightness >> 1);
+}
+
+static void adp8860_led_set(struct led_classdev *led_cdev,
+			   enum led_brightness value)
+{
+	struct adp8860_led *led;
+
+	led = container_of(led_cdev, struct adp8860_led, cdev);
+	led->new_brightness = value;
+	schedule_work(&led->work);
+}
+
+static int adp8860_led_setup(struct adp8860_led *led)
+{
+	struct i2c_client *client = led->client;
+	int ret = 0;
+
+	ret = adp8860_write(client, ADP8860_ISC1 - led->id + 1, 0);
+	ret |= adp8860_set_bits(client, ADP8860_ISCC, 1 << (led->id - 1));
+
+	if (led->id > 4)
+		ret |= adp8860_set_bits(client, ADP8860_ISCT1,
+				(led->flags & 0x3) << ((led->id - 5) * 2));
+	else
+		ret |= adp8860_set_bits(client, ADP8860_ISCT2,
+				(led->flags & 0x3) << ((led->id - 1) * 2));
+
+	return ret;
+}
+
+static int __devinit adp8860_led_probe(struct i2c_client *client)
+{
+	struct adp8860_backlight_platform_data *pdata =
+		client->dev.platform_data;
+	struct adp8860_bl *data = i2c_get_clientdata(client);
+	struct adp8860_led *led, *led_dat;
+	struct led_info *cur_led;
+	int ret, i;
+
+	led = kzalloc(sizeof(*led) * pdata->num_leds, GFP_KERNEL);
+	if (led == NULL) {
+		dev_err(&client->dev, "failed to alloc memory\n");
+		return -ENOMEM;
+	}
+
+	ret = adp8860_write(client, ADP8860_ISCFR, pdata->led_fade_law);
+	ret = adp8860_write(client, ADP8860_ISCT1,
+			(pdata->led_on_time & 0x3) << 6);
+	ret |= adp8860_write(client, ADP8860_ISCF,
+			FADE_VAL(pdata->led_fade_in, pdata->led_fade_out));
+
+	if (ret) {
+		dev_err(&client->dev, "failed to write\n");
+		goto err_free;
+	}
+
+	for (i = 0; i < pdata->num_leds; ++i) {
+		cur_led = &pdata->leds[i];
+		led_dat = &led[i];
+
+		led_dat->id = cur_led->flags & ADP8860_FLAG_LED_MASK;
+
+		if (led_dat->id > 7 || led_dat->id < 1) {
+			dev_err(&client->dev, "Invalid LED ID %d\n",
+				led_dat->id);
+			goto err;
+		}
+
+		if (pdata->bl_led_assign & (1 << (led_dat->id - 1))) {
+			dev_err(&client->dev, "LED %d used by Backlight\n",
+				led_dat->id);
+			goto err;
+		}
+
+		led_dat->cdev.name = cur_led->name;
+		led_dat->cdev.default_trigger = cur_led->default_trigger;
+		led_dat->cdev.brightness_set = adp8860_led_set;
+		led_dat->cdev.brightness = LED_OFF;
+		led_dat->flags = cur_led->flags >> FLAG_OFFT_SHIFT;
+		led_dat->client = client;
+		led_dat->new_brightness = LED_OFF;
+		INIT_WORK(&led_dat->work, adp8860_led_work);
+
+		ret = led_classdev_register(&client->dev, &led_dat->cdev);
+		if (ret) {
+			dev_err(&client->dev, "failed to register LED %d\n",
+				led_dat->id);
+			goto err;
+		}
+
+		ret = adp8860_led_setup(led_dat);
+		if (ret) {
+			dev_err(&client->dev, "failed to write\n");
+			i++;
+			goto err;
+		}
+	}
+
+	data->led = led;
+
+	return 0;
+
+ err:
+	for (i = i - 1; i >= 0; --i) {
+		led_classdev_unregister(&led[i].cdev);
+		cancel_work_sync(&led[i].work);
+	}
+
+ err_free:
+	kfree(led);
+
+	return ret;
+}
+
+static int __devexit adp8860_led_remove(struct i2c_client *client)
+{
+	struct adp8860_backlight_platform_data *pdata =
+		client->dev.platform_data;
+	struct adp8860_bl *data = i2c_get_clientdata(client);
+	int i;
+
+	for (i = 0; i < pdata->num_leds; i++) {
+		led_classdev_unregister(&data->led[i].cdev);
+		cancel_work_sync(&data->led[i].work);
+	}
+
+	kfree(data->led);
+	return 0;
+}
+#else
+static int __devinit adp8860_led_probe(struct i2c_client *client)
+{
+	return 0;
+}
+
+static int __devexit adp8860_led_remove(struct i2c_client *client)
+{
+	return 0;
+}
+#endif
+
+static int adp8860_bl_set(struct backlight_device *bl, int brightness)
+{
+	struct adp8860_bl *data = bl_get_data(bl);
+	struct i2c_client *client = data->client;
+	int ret = 0;
+
+	if (data->pdata->en_ambl_sens) {
+		if ((brightness > 0) && (brightness < ADP8860_MAX_BRIGHTNESS)) {
+			/* Disable Ambient Light auto adjust */
+			ret |= adp8860_clr_bits(client, ADP8860_MDCR,
+					CMP_AUTOEN);
+			ret |= adp8860_write(client, ADP8860_BLMX1, brightness);
+		} else {
+			/*
+			 * MAX_BRIGHTNESS -> Enable Ambient Light auto adjust
+			 * restore daylight l1 sysfs brightness
+			 */
+			ret |= adp8860_write(client, ADP8860_BLMX1,
+					 data->cached_daylight_max);
+			ret |= adp8860_set_bits(client, ADP8860_MDCR,
+					 CMP_AUTOEN);
+		}
+	} else
+		ret |= adp8860_write(client, ADP8860_BLMX1, brightness);
+
+	if (data->current_brightness && brightness == 0)
+		ret |= adp8860_set_bits(client,
+				ADP8860_MDCR, DIM_EN);
+	else if (data->current_brightness == 0 && brightness)
+		ret |= adp8860_clr_bits(client,
+				ADP8860_MDCR, DIM_EN);
+
+	if (!ret)
+		data->current_brightness = brightness;
+
+	return ret;
+}
+
+static int adp8860_bl_update_status(struct backlight_device *bl)
+{
+	int brightness = bl->props.brightness;
+	if (bl->props.power != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	return adp8860_bl_set(bl, brightness);
+}
+
+static int adp8860_bl_get_brightness(struct backlight_device *bl)
+{
+	struct adp8860_bl *data = bl_get_data(bl);
+
+	return data->current_brightness;
+}
+
+static const struct backlight_ops adp8860_bl_ops = {
+	.update_status	= adp8860_bl_update_status,
+	.get_brightness	= adp8860_bl_get_brightness,
+};
+
+static int adp8860_bl_setup(struct backlight_device *bl)
+{
+	struct adp8860_bl *data = bl_get_data(bl);
+	struct i2c_client *client = data->client;
+	struct adp8860_backlight_platform_data *pdata = data->pdata;
+	int ret = 0;
+
+	ret |= adp8860_write(client, ADP8860_BLSEN, ~pdata->bl_led_assign);
+	ret |= adp8860_write(client, ADP8860_BLMX1, pdata->l1_daylight_max);
+	ret |= adp8860_write(client, ADP8860_BLDM1, pdata->l1_daylight_dim);
+
+	if (pdata->en_ambl_sens) {
+		data->cached_daylight_max = pdata->l1_daylight_max;
+		ret |= adp8860_write(client, ADP8860_BLMX2,
+						pdata->l2_office_max);
+		ret |= adp8860_write(client, ADP8860_BLDM2,
+						pdata->l2_office_dim);
+		ret |= adp8860_write(client, ADP8860_BLMX3,
+						pdata->l3_dark_max);
+		ret |= adp8860_write(client, ADP8860_BLDM3,
+						pdata->l3_dark_dim);
+
+		ret |= adp8860_write(client, ADP8860_L2_TRP, pdata->l2_trip);
+		ret |= adp8860_write(client, ADP8860_L2_HYS, pdata->l2_hyst);
+		ret |= adp8860_write(client, ADP8860_L3_TRP, pdata->l3_trip);
+		ret |= adp8860_write(client, ADP8860_L3_HYS, pdata->l3_hyst);
+		ret |= adp8860_write(client, ADP8860_CCFG, L2_EN | L3_EN |
+						ALS_CCFG_VAL(pdata->abml_filt));
+	}
+
+	ret |= adp8860_write(client, ADP8860_CFGR,
+			BL_CFGR_VAL(pdata->bl_fade_law, 0));
+
+	ret |= adp8860_write(client, ADP8860_BLFR, FADE_VAL(pdata->bl_fade_in,
+			pdata->bl_fade_out));
+
+	ret |= adp8860_set_bits(client, ADP8860_MDCR, BLEN | DIM_EN | NSTBY);
+
+	return ret;
+}
+
+static ssize_t adp8860_show(struct device *dev, char *buf, int reg)
+{
+	struct adp8860_bl *data = dev_get_drvdata(dev);
+	int error;
+	uint8_t reg_val;
+
+	mutex_lock(&data->lock);
+	error = adp8860_read(data->client, reg, &reg_val);
+	mutex_unlock(&data->lock);
+
+	if (error < 0)
+		return error;
+
+	return sprintf(buf, "%u\n", reg_val);
+}
+
+static ssize_t adp8860_store(struct device *dev, const char *buf,
+			 size_t count, int reg)
+{
+	struct adp8860_bl *data = dev_get_drvdata(dev);
+	unsigned long val;
+	int ret;
+
+	ret = strict_strtoul(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	mutex_lock(&data->lock);
+	adp8860_write(data->client, reg, val);
+	mutex_unlock(&data->lock);
+
+	return count;
+}
+
+static ssize_t adp8860_bl_l3_dark_max_show(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	return adp8860_show(dev, buf, ADP8860_BLMX3);
+}
+
+static ssize_t adp8860_bl_l3_dark_max_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	return adp8860_store(dev, buf, count, ADP8860_BLMX3);
+}
+
+static DEVICE_ATTR(l3_dark_max, 0664, adp8860_bl_l3_dark_max_show,
+			adp8860_bl_l3_dark_max_store);
+
+static ssize_t adp8860_bl_l2_office_max_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	return adp8860_show(dev, buf, ADP8860_BLMX2);
+}
+
+static ssize_t adp8860_bl_l2_office_max_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	return adp8860_store(dev, buf, count, ADP8860_BLMX2);
+}
+static DEVICE_ATTR(l2_office_max, 0664, adp8860_bl_l2_office_max_show,
+			adp8860_bl_l2_office_max_store);
+
+static ssize_t adp8860_bl_l1_daylight_max_show(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	return adp8860_show(dev, buf, ADP8860_BLMX1);
+}
+
+static ssize_t adp8860_bl_l1_daylight_max_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct adp8860_bl *data = dev_get_drvdata(dev);
+
+	strict_strtoul(buf, 10, &data->cached_daylight_max);
+	return adp8860_store(dev, buf, count, ADP8860_BLMX1);
+}
+static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show,
+			adp8860_bl_l1_daylight_max_store);
+
+static ssize_t adp8860_bl_l3_dark_dim_show(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	return adp8860_show(dev, buf, ADP8860_BLDM3);
+}
+
+static ssize_t adp8860_bl_l3_dark_dim_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t count)
+{
+	return adp8860_store(dev, buf, count, ADP8860_BLDM3);
+}
+static DEVICE_ATTR(l3_dark_dim, 0664, adp8860_bl_l3_dark_dim_show,
+			adp8860_bl_l3_dark_dim_store);
+
+static ssize_t adp8860_bl_l2_office_dim_show(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	return adp8860_show(dev, buf, ADP8860_BLDM2);
+}
+
+static ssize_t adp8860_bl_l2_office_dim_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t count)
+{
+	return adp8860_store(dev, buf, count, ADP8860_BLDM2);
+}
+static DEVICE_ATTR(l2_office_dim, 0664, adp8860_bl_l2_office_dim_show,
+			adp8860_bl_l2_office_dim_store);
+
+static ssize_t adp8860_bl_l1_daylight_dim_show(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	return adp8860_show(dev, buf, ADP8860_BLDM1);
+}
+
+static ssize_t adp8860_bl_l1_daylight_dim_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t count)
+{
+	return adp8860_store(dev, buf, count, ADP8860_BLDM1);
+}
+static DEVICE_ATTR(l1_daylight_dim, 0664, adp8860_bl_l1_daylight_dim_show,
+			adp8860_bl_l1_daylight_dim_store);
+
+#ifdef ADP8860_EXT_FEATURES
+static ssize_t adp8860_bl_ambient_light_level_show(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	struct adp8860_bl *data = dev_get_drvdata(dev);
+	int error;
+	uint8_t reg_val;
+	uint16_t ret_val;
+
+	mutex_lock(&data->lock);
+	error = adp8860_read(data->client, ADP8860_PH1LEVL, &reg_val);
+	ret_val = reg_val;
+	error |= adp8860_read(data->client, ADP8860_PH1LEVH, &reg_val);
+	mutex_unlock(&data->lock);
+
+	if (error < 0)
+		return error;
+
+	/* Return 13-bit conversion value for the first light sensor */
+	ret_val += (reg_val & 0x1F) << 8;
+
+	return sprintf(buf, "%u\n", ret_val);
+}
+static DEVICE_ATTR(ambient_light_level, 0444,
+		adp8860_bl_ambient_light_level_show, NULL);
+
+static ssize_t adp8860_bl_ambient_light_zone_show(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	struct adp8860_bl *data = dev_get_drvdata(dev);
+	int error;
+	uint8_t reg_val;
+
+	mutex_lock(&data->lock);
+	error = adp8860_read(data->client, ADP8860_CFGR, &reg_val);
+	mutex_unlock(&data->lock);
+
+	if (error < 0)
+		return error;
+
+	return sprintf(buf, "%u\n",
+		((reg_val >> CFGR_BLV_SHIFT) & CFGR_BLV_MASK) + 1);
+}
+
+static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t count)
+{
+	struct adp8860_bl *data = dev_get_drvdata(dev);
+	unsigned long val;
+	uint8_t reg_val;
+	int ret;
+
+	ret = strict_strtoul(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	if (val == 0) {
+		/* Enable automatic ambient light sensing */
+		adp8860_set_bits(data->client, ADP8860_MDCR, CMP_AUTOEN);
+	} else if ((val > 0) && (val < 6)) {
+		/* Disable automatic ambient light sensing */
+		adp8860_clr_bits(data->client, ADP8860_MDCR, CMP_AUTOEN);
+
+		/* Set user supplied ambient light zone */
+		mutex_lock(&data->lock);
+		adp8860_read(data->client, ADP8860_CFGR, &reg_val);
+		reg_val &= ~(CFGR_BLV_MASK << CFGR_BLV_SHIFT);
+		reg_val |= val << CFGR_BLV_SHIFT;
+		adp8860_write(data->client, ADP8860_CFGR, reg_val);
+		mutex_unlock(&data->lock);
+	}
+
+	return count;
+}
+static DEVICE_ATTR(ambient_light_zone, 0664,
+		adp8860_bl_ambient_light_zone_show,
+		adp8860_bl_ambient_light_zone_store);
+#endif
+
+static struct attribute *adp8860_bl_attributes[] = {
+	&dev_attr_l3_dark_max.attr,
+	&dev_attr_l3_dark_dim.attr,
+	&dev_attr_l2_office_max.attr,
+	&dev_attr_l2_office_dim.attr,
+	&dev_attr_l1_daylight_max.attr,
+	&dev_attr_l1_daylight_dim.attr,
+#ifdef ADP8860_EXT_FEATURES
+	&dev_attr_ambient_light_level.attr,
+	&dev_attr_ambient_light_zone.attr,
+#endif
+	NULL
+};
+
+static const struct attribute_group adp8860_bl_attr_group = {
+	.attrs = adp8860_bl_attributes,
+};
+
+static int __devinit adp8860_probe(struct i2c_client *client,
+					const struct i2c_device_id *id)
+{
+	struct backlight_device *bl;
+	struct adp8860_bl *data;
+	struct adp8860_backlight_platform_data *pdata =
+		client->dev.platform_data;
+	uint8_t reg_val;
+	int ret;
+
+	if (!i2c_check_functionality(client->adapter,
+					I2C_FUNC_SMBUS_BYTE_DATA)) {
+		dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
+		return -EIO;
+	}
+
+	if (!pdata) {
+		dev_err(&client->dev, "no platform data?\n");
+		return -EINVAL;
+	}
+
+	ret = adp8860_read(client, ADP8860_MFDVID, &reg_val);
+	if (ret < 0)
+		return -EIO;
+
+	if (ADP8860_MANID(reg_val) != ADP8860_MANUFID) {
+		dev_err(&client->dev, "failed to probe\n");
+		return -ENODEV;
+	}
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (data == NULL)
+		return -ENOMEM;
+
+	/* It's confirmed that the DEVID field is actually a REVID */
+
+	data->revid = ADP8860_DEVID(reg_val);
+	data->client = client;
+	data->pdata = pdata;
+	data->id = id->driver_data;
+	data->current_brightness = 0;
+	i2c_set_clientdata(client, data);
+
+	mutex_init(&data->lock);
+
+	bl = backlight_device_register(dev_driver_string(&client->dev),
+			&client->dev, data, &adp8860_bl_ops);
+	if (IS_ERR(bl)) {
+		dev_err(&client->dev, "failed to register backlight\n");
+		ret = PTR_ERR(bl);
+		goto out2;
+	}
+
+	bl->props.max_brightness =
+		bl->props.brightness = ADP8860_MAX_BRIGHTNESS;
+
+	data->bl = bl;
+
+	if (pdata->en_ambl_sens)
+		ret = sysfs_create_group(&bl->dev.kobj,
+			&adp8860_bl_attr_group);
+
+	if (ret) {
+		dev_err(&client->dev, "failed to register sysfs\n");
+		goto out1;
+	}
+
+	ret = adp8860_bl_setup(bl);
+	if (ret) {
+		ret = -EIO;
+		goto out;
+	}
+
+	backlight_update_status(bl);
+
+	dev_info(&client->dev, "Rev.%d Backlight\n", data->revid);
+
+	if (pdata->num_leds)
+		adp8860_led_probe(client);
+
+	return 0;
+
+out:
+	if (data->pdata->en_ambl_sens)
+		sysfs_remove_group(&data->bl->dev.kobj,
+			&adp8860_bl_attr_group);
+out1:
+	backlight_device_unregister(bl);
+out2:
+	i2c_set_clientdata(client, NULL);
+	kfree(data);
+
+	return ret;
+}
+
+static int __devexit adp8860_remove(struct i2c_client *client)
+{
+	struct adp8860_bl *data = i2c_get_clientdata(client);
+
+	adp8860_clr_bits(client, ADP8860_MDCR, NSTBY);
+
+	if (data->led)
+		adp8860_led_remove(client);
+
+	if (data->pdata->en_ambl_sens)
+		sysfs_remove_group(&data->bl->dev.kobj,
+			&adp8860_bl_attr_group);
+
+	backlight_device_unregister(data->bl);
+	i2c_set_clientdata(client, NULL);
+	kfree(data);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int adp8860_i2c_suspend(struct i2c_client *client, pm_message_t message)
+{
+	adp8860_clr_bits(client, ADP8860_MDCR, NSTBY);
+
+	return 0;
+}
+
+static int adp8860_i2c_resume(struct i2c_client *client)
+{
+	adp8860_set_bits(client, ADP8860_MDCR, NSTBY);
+
+	return 0;
+}
+#else
+#define adp8860_i2c_suspend NULL
+#define adp8860_i2c_resume NULL
+#endif
+
+static const struct i2c_device_id adp8860_id[] = {
+	{ "adp8860", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, adp8860_id);
+
+static struct i2c_driver adp8860_driver = {
+	.driver = {
+		.name = KBUILD_MODNAME,
+	},
+	.probe    = adp8860_probe,
+	.remove   = __devexit_p(adp8860_remove),
+	.suspend = adp8860_i2c_suspend,
+	.resume  = adp8860_i2c_resume,
+	.id_table = adp8860_id,
+};
+
+static int __init adp8860_init(void)
+{
+	return i2c_add_driver(&adp8860_driver);
+}
+module_init(adp8860_init);
+
+static void __exit adp8860_exit(void)
+{
+	i2c_del_driver(&adp8860_driver);
+}
+module_exit(adp8860_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("ADP8860 Backlight driver");
+MODULE_ALIAS("i2c:adp8860-backlight");
diff --git a/include/linux/i2c/adp8860.h b/include/linux/i2c/adp8860.h
new file mode 100644
index 00000000000..115514b7176
--- /dev/null
+++ b/include/linux/i2c/adp8860.h
@@ -0,0 +1,137 @@
+/*
+ * Definitions and platform data for Analog Devices
+ * Backlight drivers ADP8860
+ *
+ * Copyright 2009-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __LINUX_I2C_ADP8860_H
+#define __LINUX_I2C_ADP8860_H
+
+#include <linux/leds.h>
+#include <linux/types.h>
+
+#define ID_ADP8860		8860
+
+#define ADP8860_MAX_BRIGHTNESS	0x7F
+#define FLAG_OFFT_SHIFT 8
+
+/*
+ * LEDs subdevice platform data
+ */
+
+#define ADP8860_LED_DIS_BLINK	(0 << FLAG_OFFT_SHIFT)
+#define ADP8860_LED_OFFT_600ms	(1 << FLAG_OFFT_SHIFT)
+#define ADP8860_LED_OFFT_1200ms	(2 << FLAG_OFFT_SHIFT)
+#define ADP8860_LED_OFFT_1800ms	(3 << FLAG_OFFT_SHIFT)
+
+#define ADP8860_LED_ONT_200ms	0
+#define ADP8860_LED_ONT_600ms	1
+#define ADP8860_LED_ONT_800ms	2
+#define ADP8860_LED_ONT_1200ms	3
+
+#define ADP8860_LED_D7		(7)
+#define ADP8860_LED_D6		(6)
+#define ADP8860_LED_D5		(5)
+#define ADP8860_LED_D4		(4)
+#define ADP8860_LED_D3		(3)
+#define ADP8860_LED_D2		(2)
+#define ADP8860_LED_D1		(1)
+
+/*
+ * Backlight subdevice platform data
+ */
+
+#define ADP8860_BL_D7		(1 << 6)
+#define ADP8860_BL_D6		(1 << 5)
+#define ADP8860_BL_D5		(1 << 4)
+#define ADP8860_BL_D4		(1 << 3)
+#define ADP8860_BL_D3		(1 << 2)
+#define ADP8860_BL_D2		(1 << 1)
+#define ADP8860_BL_D1		(1 << 0)
+
+#define ADP8860_FADE_T_DIS	0	/* Fade Timer Disabled */
+#define ADP8860_FADE_T_300ms	1	/* 0.3 Sec */
+#define ADP8860_FADE_T_600ms	2
+#define ADP8860_FADE_T_900ms	3
+#define ADP8860_FADE_T_1200ms	4
+#define ADP8860_FADE_T_1500ms	5
+#define ADP8860_FADE_T_1800ms	6
+#define ADP8860_FADE_T_2100ms	7
+#define ADP8860_FADE_T_2400ms	8
+#define ADP8860_FADE_T_2700ms	9
+#define ADP8860_FADE_T_3000ms	10
+#define ADP8860_FADE_T_3500ms	11
+#define ADP8860_FADE_T_4000ms	12
+#define ADP8860_FADE_T_4500ms	13
+#define ADP8860_FADE_T_5000ms	14
+#define ADP8860_FADE_T_5500ms	15	/* 5.5 Sec */
+
+#define ADP8860_FADE_LAW_LINEAR	0
+#define ADP8860_FADE_LAW_SQUARE	1
+#define ADP8860_FADE_LAW_CUBIC1	2
+#define ADP8860_FADE_LAW_CUBIC2	3
+
+#define ADP8860_BL_AMBL_FILT_80ms	0	/* Light sensor filter time */
+#define ADP8860_BL_AMBL_FILT_160ms	1
+#define ADP8860_BL_AMBL_FILT_320ms	2
+#define ADP8860_BL_AMBL_FILT_640ms	3
+#define ADP8860_BL_AMBL_FILT_1280ms	4
+#define ADP8860_BL_AMBL_FILT_2560ms	5
+#define ADP8860_BL_AMBL_FILT_5120ms	6
+#define ADP8860_BL_AMBL_FILT_10240ms	7	/* 10.24 sec */
+
+/*
+ * Blacklight current 0..30mA
+ */
+#define ADP8860_BL_CUR_mA(I)		((I * 127) / 30)
+
+/*
+ * L2 comparator current 0..1106uA
+ */
+#define ADP8860_L2_COMP_CURR_uA(I)	((I * 255) / 1106)
+
+/*
+ * L3 comparator current 0..138uA
+ */
+#define ADP8860_L3_COMP_CURR_uA(I)	((I * 255) / 138)
+
+struct adp8860_backlight_platform_data {
+	u8 bl_led_assign;	/* 1 = Backlight 0 = Individual LED */
+
+	u8 bl_fade_in;		/* Backlight Fade-In Timer */
+	u8 bl_fade_out;		/* Backlight Fade-Out Timer */
+	u8 bl_fade_law;		/* fade-on/fade-off transfer characteristic */
+
+	u8 en_ambl_sens;	/* 1 = enable ambient light sensor */
+	u8 abml_filt;		/* Light sensor filter time */
+
+	u8 l1_daylight_max;	/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	u8 l1_daylight_dim;	/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	u8 l2_office_max;	/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	u8 l2_office_dim;	/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	u8 l3_dark_max;		/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	u8 l3_dark_dim;		/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+
+	u8 l2_trip;		/* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
+	u8 l2_hyst;		/* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
+	u8 l3_trip;		/* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
+	u8 l3_hyst;		/* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
+
+	/**
+	 * Independent Current Sinks / LEDS
+	 * Sinks not assigned to the Backlight can be exposed to
+	 * user space using the LEDS CLASS interface
+	 */
+
+	int num_leds;
+	struct led_info	*leds;
+	u8 led_fade_in;		/* LED Fade-In Timer */
+	u8 led_fade_out;	/* LED Fade-Out Timer */
+	u8 led_fade_law;	/* fade-on/fade-off transfer characteristic */
+	u8 led_on_time;
+};
+
+#endif /* __LINUX_I2C_ADP8860_H */

From 3f43f8b2ad9035c5440d65681079f4d80542d21f Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Wed, 12 May 2010 13:49:12 -0700
Subject: [PATCH 3172/3638] backlight: fix adp8860_bl build errors

Add slab.h to fix part of build.
Add a parameter in backlight_device_register() call to fix part of build.

drivers/video/backlight/adp8860_bl.c:215: error: implicit declaration of function 'kzalloc'
drivers/video/backlight/adp8860_bl.c:215: warning: assignment makes pointer from integer without a cast
drivers/video/backlight/adp8860_bl.c:285: error: implicit declaration of function 'kfree'
drivers/video/backlight/adp8860_bl.c:673: warning: assignment makes pointer from integer without a cast
drivers/video/backlight/adp8860_bl.c:689: error: too few arguments to function 'backlight_device_register'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/adp8860_bl.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
index 3c449d2f68b..99d14ed8857 100644
--- a/drivers/video/backlight/adp8860_bl.c
+++ b/drivers/video/backlight/adp8860_bl.c
@@ -16,6 +16,7 @@
 #include <linux/fb.h>
 #include <linux/backlight.h>
 #include <linux/leds.h>
+#include <linux/slab.h>
 #include <linux/workqueue.h>
 
 #include <linux/i2c/adp8860.h>
@@ -647,6 +648,7 @@ static int __devinit adp8860_probe(struct i2c_client *client,
 	struct adp8860_bl *data;
 	struct adp8860_backlight_platform_data *pdata =
 		client->dev.platform_data;
+	struct backlight_properties props;
 	uint8_t reg_val;
 	int ret;
 
@@ -683,10 +685,13 @@ static int __devinit adp8860_probe(struct i2c_client *client,
 	data->current_brightness = 0;
 	i2c_set_clientdata(client, data);
 
+	memset(&props, 0, sizeof(props));
+	props.max_brightness = ADP8860_MAX_BRIGHTNESS;
+
 	mutex_init(&data->lock);
 
 	bl = backlight_device_register(dev_driver_string(&client->dev),
-			&client->dev, data, &adp8860_bl_ops);
+			&client->dev, data, &adp8860_bl_ops, &props);
 	if (IS_ERR(bl)) {
 		dev_err(&client->dev, "failed to register backlight\n");
 		ret = PTR_ERR(bl);

From 47306fc35ec39a5d0715e0a79344d02dffeaeeb2 Mon Sep 17 00:00:00 2001
From: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Date: Mon, 26 Apr 2010 22:51:08 +0200
Subject: [PATCH 3173/3638] backlight: l4f00242t03: Fix regulators handling
 code in remove function

Simple swap of regulator free

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/l4f00242t03.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index bcdb12c93ef..1dafec85ddc 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -222,9 +222,9 @@ static int __devexit l4f00242t03_remove(struct spi_device *spi)
 	gpio_free(pdata->reset_gpio);
 
 	if (priv->io_reg)
-		regulator_put(priv->core_reg);
-	if (priv->core_reg)
 		regulator_put(priv->io_reg);
+	if (priv->core_reg)
+		regulator_put(priv->core_reg);
 
 	kfree(priv);
 

From 08b3924b24cdb1942393dc3009335a2153bd2eac Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Wed, 5 May 2010 12:13:23 -0500
Subject: [PATCH 3174/3638] backlight: Add Cirrus EP93xx backlight driver

The EP9307, EP9312, and EP9315 processors include a framebuffer
peripheral.  This peripheral has a dedicated pwm output called
BRIGHT that can be used to control the backlight on an LCD.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/Kconfig     |  10 ++
 drivers/video/backlight/Makefile    |   1 +
 drivers/video/backlight/ep93xx_bl.c | 160 ++++++++++++++++++++++++++++
 3 files changed, 171 insertions(+)
 create mode 100644 drivers/video/backlight/ep93xx_bl.c

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 0f7e795f27f..2d805218296 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -142,6 +142,16 @@ config BACKLIGHT_ATMEL_PWM
 	  To compile this driver as a module, choose M here: the module will be
 	  called atmel-pwm-bl.
 
+config BACKLIGHT_EP93XX
+	tristate "Cirrus EP93xx Backlight Driver"
+	depends on FB_EP93XX
+	help
+	  If you have a LCD backlight connected to the BRIGHT output of
+	  the EP93xx, say Y here to enable this driver.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called ep93xx_bl.
+
 config BACKLIGHT_GENERIC
 	tristate "Generic (aka Sharp Corgi) Backlight Driver"
 	default y
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index 3cbaacae8f9..ef610b15fdc 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_LCD_TOSA)		   += tosa_lcd.o
 
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
 obj-$(CONFIG_BACKLIGHT_ATMEL_PWM)    += atmel-pwm-bl.o
+obj-$(CONFIG_BACKLIGHT_EP93XX)	+= ep93xx_bl.o
 obj-$(CONFIG_BACKLIGHT_GENERIC)	+= generic_bl.o
 obj-$(CONFIG_BACKLIGHT_HP700)	+= jornada720_bl.o
 obj-$(CONFIG_BACKLIGHT_HP680)	+= hp680_bl.o
diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c
new file mode 100644
index 00000000000..b0cc4918480
--- /dev/null
+++ b/drivers/video/backlight/ep93xx_bl.c
@@ -0,0 +1,160 @@
+/*
+ * Driver for the Cirrus EP93xx lcd backlight
+ *
+ * Copyright (c) 2010 H Hartley Sweeten <hsweeten@visionengravers.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This driver controls the pulse width modulated brightness control output,
+ * BRIGHT, on the Cirrus EP9307, EP9312, and EP9315 processors.
+ */
+
+
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/fb.h>
+#include <linux/backlight.h>
+
+#include <mach/hardware.h>
+
+#define EP93XX_RASTER_REG(x)		(EP93XX_RASTER_BASE + (x))
+#define EP93XX_RASTER_BRIGHTNESS	EP93XX_RASTER_REG(0x20)
+
+#define EP93XX_MAX_COUNT		255
+#define EP93XX_MAX_BRIGHT		255
+#define EP93XX_DEF_BRIGHT		128
+
+struct ep93xxbl {
+	void __iomem *mmio;
+	int brightness;
+};
+
+static int ep93xxbl_set(struct backlight_device *bl, int brightness)
+{
+	struct ep93xxbl *ep93xxbl = bl_get_data(bl);
+
+	__raw_writel((brightness << 8) | EP93XX_MAX_COUNT, ep93xxbl->mmio);
+
+	ep93xxbl->brightness = brightness;
+
+	return 0;
+}
+
+static int ep93xxbl_update_status(struct backlight_device *bl)
+{
+	int brightness = bl->props.brightness;
+
+	if (bl->props.power != FB_BLANK_UNBLANK ||
+	    bl->props.fb_blank != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	return ep93xxbl_set(bl, brightness);
+}
+
+static int ep93xxbl_get_brightness(struct backlight_device *bl)
+{
+	struct ep93xxbl *ep93xxbl = bl_get_data(bl);
+
+	return ep93xxbl->brightness;
+}
+
+static const struct backlight_ops ep93xxbl_ops = {
+	.update_status	= ep93xxbl_update_status,
+	.get_brightness	= ep93xxbl_get_brightness,
+};
+
+static int __init ep93xxbl_probe(struct platform_device *dev)
+{
+	struct ep93xxbl *ep93xxbl;
+	struct backlight_device *bl;
+	struct backlight_properties props;
+
+	ep93xxbl = devm_kzalloc(&dev->dev, sizeof(*ep93xxbl), GFP_KERNEL);
+	if (!ep93xxbl)
+		return -ENOMEM;
+
+	/*
+	 * This register is located in the range already ioremap'ed by
+	 * the framebuffer driver.  A MFD driver seems a bit of overkill
+	 * to handle this so use the static I/O mapping; this address
+	 * is already virtual.
+	 *
+	 * NOTE: No locking is required; the framebuffer does not touch
+	 * this register.
+	 */
+	ep93xxbl->mmio = EP93XX_RASTER_BRIGHTNESS;
+
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = EP93XX_MAX_BRIGHT;
+	bl = backlight_device_register(dev->name, &dev->dev, ep93xxbl,
+				       &ep93xxbl_ops, &props);
+	if (IS_ERR(bl))
+		return PTR_ERR(bl);
+
+	bl->props.brightness = EP93XX_DEF_BRIGHT;
+
+	platform_set_drvdata(dev, bl);
+
+	ep93xxbl_update_status(bl);
+
+	return 0;
+}
+
+static int ep93xxbl_remove(struct platform_device *dev)
+{
+	struct backlight_device *bl = platform_get_drvdata(dev);
+
+	backlight_device_unregister(bl);
+	platform_set_drvdata(dev, NULL);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int ep93xxbl_suspend(struct platform_device *dev, pm_message_t state)
+{
+	struct backlight_device *bl = platform_get_drvdata(dev);
+
+	return ep93xxbl_set(bl, 0);
+}
+
+static int ep93xxbl_resume(struct platform_device *dev)
+{
+	struct backlight_device *bl = platform_get_drvdata(dev);
+
+	backlight_update_status(bl);
+	return 0;
+}
+#else
+#define ep93xxbl_suspend	NULL
+#define ep93xxbl_resume		NULL
+#endif
+
+static struct platform_driver ep93xxbl_driver = {
+	.driver		= {
+		.name	= "ep93xx-bl",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= ep93xxbl_probe,
+	.remove		= __devexit_p(ep93xxbl_remove),
+	.suspend	= ep93xxbl_suspend,
+	.resume		= ep93xxbl_resume,
+};
+
+static int __init ep93xxbl_init(void)
+{
+	return platform_driver_register(&ep93xxbl_driver);
+}
+module_init(ep93xxbl_init);
+
+static void __exit ep93xxbl_exit(void)
+{
+	platform_driver_unregister(&ep93xxbl_driver);
+}
+module_exit(ep93xxbl_exit);
+
+MODULE_DESCRIPTION("EP93xx Backlight Driver");
+MODULE_AUTHOR("H Hartley Sweeten <hsweeten@visionengravers.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ep93xx-bl");

From ed601fa46777cb529bda0dbec80c4aec704dd063 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Steffen=20R=C3=B6cker?= <sroecker@gmail.com>
Date: Tue, 23 Mar 2010 23:12:33 +0100
Subject: [PATCH 3175/3638] backlight: mbp_nvidia_bl - Fix DMI_SYS_VENDOR for
 MacBook1,1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix DMI_SYS_VENDOR for MacBook1,1.

When the MacBook1,1 came out Apple was still named Apple Computer, I am
not sure if this applies to older MacBook2,1 versions aswell.

Signed-off-by: Steffen Röcker <sroecker@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/mbp_nvidia_bl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c
index 52c780f5db1..9fb533f6373 100644
--- a/drivers/video/backlight/mbp_nvidia_bl.c
+++ b/drivers/video/backlight/mbp_nvidia_bl.c
@@ -141,7 +141,7 @@ static const struct dmi_system_id __initdata mbp_device_table[] = {
 		.callback	= mbp_dmi_match,
 		.ident		= "MacBook 1,1",
 		.matches	= {
-			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
 		},
 		.driver_data	= (void *)&intel_chipset_data,

From c7c06d8a95fd6b83d9f71a0cfecd3f91945d17e5 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Wed, 26 May 2010 03:00:59 -0400
Subject: [PATCH 3176/3638] backlight: adp8860: add support for ADP8861 &
 ADP8863

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/Kconfig      |  6 +--
 drivers/video/backlight/adp8860_bl.c | 62 +++++++++++++++++++---------
 include/linux/i2c/adp8860.h          | 17 ++++++++
 3 files changed, 63 insertions(+), 22 deletions(-)

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 2d805218296..39ecaf71c1f 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -275,13 +275,13 @@ config BACKLIGHT_ADP5520
 	  be called adp5520_bl.
 
 config BACKLIGHT_ADP8860
-	tristate "Backlight Driver for ADP8860 using WLED"
+	tristate "Backlight Driver for ADP8860/ADP8861/ADP8863 using WLED"
 	depends on BACKLIGHT_CLASS_DEVICE && I2C
 	select NEW_LEDS
 	select LEDS_CLASS
 	help
-	  If you have a LCD backlight connected to the ADP8860,
-	  say Y here to enable this driver.
+	  If you have a LCD backlight connected to the ADP8860, ADP8861 or
+	  ADP8863 say Y here to enable this driver.
 
 	  To compile this driver as a module, choose M here: the module will
 	  be called adp8860_bl.
diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
index 99d14ed8857..921ca37398f 100644
--- a/drivers/video/backlight/adp8860_bl.c
+++ b/drivers/video/backlight/adp8860_bl.c
@@ -62,7 +62,9 @@
 #define ADP8860_PH2LEVH 0x24 /* Second phototransistor ambient light level-high byte register */
 
 #define ADP8860_MANUFID		0x0  /* Analog Devices ADP8860 Manufacturer ID */
-#define ADP8860_DEVICEID	0x7  /* Analog Devices ADP8860 Device ID */
+#define ADP8861_MANUFID		0x4  /* Analog Devices ADP8861 Manufacturer ID */
+#define ADP8863_MANUFID		0x2  /* Analog Devices ADP8863 Manufacturer ID */
+
 #define ADP8860_DEVID(x)	((x) & 0xF)
 #define ADP8860_MANID(x)	((x) >> 4)
 
@@ -70,6 +72,7 @@
 #define INT_CFG			(1 << 6)
 #define NSTBY			(1 << 5)
 #define DIM_EN			(1 << 4)
+#define GDWN_DIS		(1 << 3)
 #define SIS_EN			(1 << 2)
 #define CMP_AUTOEN		(1 << 1)
 #define BLEN			(1 << 0)
@@ -86,6 +89,12 @@
 #define BL_CFGR_VAL(law, blv)	((((blv) & CFGR_BLV_MASK) << CFGR_BLV_SHIFT) | ((0x3 & (law)) << 1))
 #define ALS_CCFG_VAL(filt)	((0x7 & filt) << 5)
 
+enum {
+	adp8860,
+	adp8861,
+	adp8863
+};
+
 struct adp8860_led {
 	struct led_classdev	cdev;
 	struct work_struct	work;
@@ -105,6 +114,8 @@ struct adp8860_bl {
 	int id;
 	int revid;
 	int current_brightness;
+	unsigned en_ambl_sens:1;
+	unsigned gdwn_dis:1;
 };
 
 static int adp8860_read(struct i2c_client *client, int reg, uint8_t *val)
@@ -121,7 +132,6 @@ static int adp8860_read(struct i2c_client *client, int reg, uint8_t *val)
 	return 0;
 }
 
-
 static int adp8860_write(struct i2c_client *client, u8 reg, u8 val)
 {
 	return i2c_smbus_write_byte_data(client, reg, val);
@@ -321,7 +331,7 @@ static int adp8860_bl_set(struct backlight_device *bl, int brightness)
 	struct i2c_client *client = data->client;
 	int ret = 0;
 
-	if (data->pdata->en_ambl_sens) {
+	if (data->en_ambl_sens) {
 		if ((brightness > 0) && (brightness < ADP8860_MAX_BRIGHTNESS)) {
 			/* Disable Ambient Light auto adjust */
 			ret |= adp8860_clr_bits(client, ADP8860_MDCR,
@@ -388,7 +398,7 @@ static int adp8860_bl_setup(struct backlight_device *bl)
 	ret |= adp8860_write(client, ADP8860_BLMX1, pdata->l1_daylight_max);
 	ret |= adp8860_write(client, ADP8860_BLDM1, pdata->l1_daylight_dim);
 
-	if (pdata->en_ambl_sens) {
+	if (data->en_ambl_sens) {
 		data->cached_daylight_max = pdata->l1_daylight_max;
 		ret |= adp8860_write(client, ADP8860_BLMX2,
 						pdata->l2_office_max);
@@ -413,7 +423,8 @@ static int adp8860_bl_setup(struct backlight_device *bl)
 	ret |= adp8860_write(client, ADP8860_BLFR, FADE_VAL(pdata->bl_fade_in,
 			pdata->bl_fade_out));
 
-	ret |= adp8860_set_bits(client, ADP8860_MDCR, BLEN | DIM_EN | NSTBY);
+	ret |= adp8860_set_bits(client, ADP8860_MDCR, BLEN | DIM_EN | NSTBY |
+			(data->gdwn_dis ? GDWN_DIS : 0));
 
 	return ret;
 }
@@ -663,19 +674,29 @@ static int __devinit adp8860_probe(struct i2c_client *client,
 		return -EINVAL;
 	}
 
-	ret = adp8860_read(client, ADP8860_MFDVID, &reg_val);
-	if (ret < 0)
-		return -EIO;
-
-	if (ADP8860_MANID(reg_val) != ADP8860_MANUFID) {
-		dev_err(&client->dev, "failed to probe\n");
-		return -ENODEV;
-	}
-
 	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (data == NULL)
 		return -ENOMEM;
 
+	ret = adp8860_read(client, ADP8860_MFDVID, &reg_val);
+	if (ret < 0)
+		goto out2;
+
+	switch (ADP8860_MANID(reg_val)) {
+	case ADP8863_MANUFID:
+		data->gdwn_dis = !!pdata->gdwn_dis;
+	case ADP8860_MANUFID:
+		data->en_ambl_sens = !!pdata->en_ambl_sens;
+		break;
+	case ADP8861_MANUFID:
+		data->gdwn_dis = !!pdata->gdwn_dis;
+		break;
+	default:
+		dev_err(&client->dev, "failed to probe\n");
+		ret = -ENODEV;
+		goto out2;
+	}
+
 	/* It's confirmed that the DEVID field is actually a REVID */
 
 	data->revid = ADP8860_DEVID(reg_val);
@@ -703,7 +724,7 @@ static int __devinit adp8860_probe(struct i2c_client *client,
 
 	data->bl = bl;
 
-	if (pdata->en_ambl_sens)
+	if (data->en_ambl_sens)
 		ret = sysfs_create_group(&bl->dev.kobj,
 			&adp8860_bl_attr_group);
 
@@ -720,7 +741,8 @@ static int __devinit adp8860_probe(struct i2c_client *client,
 
 	backlight_update_status(bl);
 
-	dev_info(&client->dev, "Rev.%d Backlight\n", data->revid);
+	dev_info(&client->dev, "%s Rev.%d Backlight\n",
+		client->name, data->revid);
 
 	if (pdata->num_leds)
 		adp8860_led_probe(client);
@@ -728,7 +750,7 @@ static int __devinit adp8860_probe(struct i2c_client *client,
 	return 0;
 
 out:
-	if (data->pdata->en_ambl_sens)
+	if (data->en_ambl_sens)
 		sysfs_remove_group(&data->bl->dev.kobj,
 			&adp8860_bl_attr_group);
 out1:
@@ -749,7 +771,7 @@ static int __devexit adp8860_remove(struct i2c_client *client)
 	if (data->led)
 		adp8860_led_remove(client);
 
-	if (data->pdata->en_ambl_sens)
+	if (data->en_ambl_sens)
 		sysfs_remove_group(&data->bl->dev.kobj,
 			&adp8860_bl_attr_group);
 
@@ -780,7 +802,9 @@ static int adp8860_i2c_resume(struct i2c_client *client)
 #endif
 
 static const struct i2c_device_id adp8860_id[] = {
-	{ "adp8860", 0 },
+	{ "adp8860", adp8860 },
+	{ "adp8861", adp8861 },
+	{ "adp8863", adp8863 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, adp8860_id);
diff --git a/include/linux/i2c/adp8860.h b/include/linux/i2c/adp8860.h
index 115514b7176..0b4d39855c9 100644
--- a/include/linux/i2c/adp8860.h
+++ b/include/linux/i2c/adp8860.h
@@ -132,6 +132,23 @@ struct adp8860_backlight_platform_data {
 	u8 led_fade_out;	/* LED Fade-Out Timer */
 	u8 led_fade_law;	/* fade-on/fade-off transfer characteristic */
 	u8 led_on_time;
+
+	/**
+	 * Gain down disable. Setting this option does not allow the
+	 * charge pump to switch to lower gains. NOT AVAILABLE on ADP8860
+	 * 1 = the charge pump doesn't switch down in gain until all LEDs are 0.
+	 *  The charge pump switches up in gain as needed. This feature is
+	 *  useful if the ADP8863 charge pump is used to drive an external load.
+	 *  This feature must be used when utilizing small fly capacitors
+	 *  (0402 or smaller).
+	 * 0 = the charge pump automatically switches up and down in gain.
+	 *  This provides optimal efficiency, but is not suitable for driving
+	 *  loads that are not connected through the ADP8863 diode drivers.
+	 *  Additionally, the charge pump fly capacitors should be low ESR
+	 * and sized 0603 or greater.
+	 */
+
+	u8 gdwn_dis;
 };
 
 #endif /* __LINUX_I2C_ADP8860_H */

From 0a68b0bed08eeb7ec62e0125f17856b1ccb1ea4b Mon Sep 17 00:00:00 2001
From: "J. Bruce Fields" <bfields@citi.umich.edu>
Date: Wed, 26 May 2010 08:42:24 -0400
Subject: [PATCH 3177/3638] sunrpc: fix leak on error on socket xprt setup

Also collect exit code together while we're at it.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 net/sunrpc/xprtsock.c | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index b7cd8cccbe7..2a9675136c6 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2293,6 +2293,7 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args)
 	struct sockaddr *addr = args->dstaddr;
 	struct rpc_xprt *xprt;
 	struct sock_xprt *transport;
+	struct rpc_xprt *ret;
 
 	xprt = xs_setup_xprt(args, xprt_udp_slot_table_entries);
 	if (IS_ERR(xprt))
@@ -2330,8 +2331,8 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args)
 		xs_format_peer_addresses(xprt, "udp", RPCBIND_NETID_UDP6);
 		break;
 	default:
-		kfree(xprt);
-		return ERR_PTR(-EAFNOSUPPORT);
+		ret = ERR_PTR(-EAFNOSUPPORT);
+		goto out_err;
 	}
 
 	if (xprt_bound(xprt))
@@ -2346,10 +2347,11 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args)
 
 	if (try_module_get(THIS_MODULE))
 		return xprt;
-
+	ret = ERR_PTR(-EINVAL);
+out_err:
 	kfree(xprt->slot);
 	kfree(xprt);
-	return ERR_PTR(-EINVAL);
+	return ret;
 }
 
 static const struct rpc_timeout xs_tcp_default_timeout = {
@@ -2368,6 +2370,7 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args)
 	struct sockaddr *addr = args->dstaddr;
 	struct rpc_xprt *xprt;
 	struct sock_xprt *transport;
+	struct rpc_xprt *ret;
 
 	xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
 	if (IS_ERR(xprt))
@@ -2403,8 +2406,8 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args)
 		xs_format_peer_addresses(xprt, "tcp", RPCBIND_NETID_TCP6);
 		break;
 	default:
-		kfree(xprt);
-		return ERR_PTR(-EAFNOSUPPORT);
+		ret = ERR_PTR(-EAFNOSUPPORT);
+		goto out_err;
 	}
 
 	if (xprt_bound(xprt))
@@ -2420,10 +2423,11 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args)
 
 	if (try_module_get(THIS_MODULE))
 		return xprt;
-
+	ret = ERR_PTR(-EINVAL);
+out_err:
 	kfree(xprt->slot);
 	kfree(xprt);
-	return ERR_PTR(-EINVAL);
+	return ret;
 }
 
 /**
@@ -2437,6 +2441,7 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args)
 	struct rpc_xprt *xprt;
 	struct sock_xprt *transport;
 	struct svc_sock *bc_sock;
+	struct rpc_xprt *ret;
 
 	xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
 	if (IS_ERR(xprt))
@@ -2476,8 +2481,8 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args)
 				   RPCBIND_NETID_TCP6);
 		break;
 	default:
-		kfree(xprt);
-		return ERR_PTR(-EAFNOSUPPORT);
+		ret = ERR_PTR(-EAFNOSUPPORT);
+		goto out_err;
 	}
 
 	if (xprt_bound(xprt))
@@ -2499,9 +2504,11 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args)
 
 	if (try_module_get(THIS_MODULE))
 		return xprt;
+	ret = ERR_PTR(-EINVAL);
+out_err:
 	kfree(xprt->slot);
 	kfree(xprt);
-	return ERR_PTR(-EINVAL);
+	return ret;
 }
 
 static struct xprt_class	xs_udp_transport = {

From 59844a9bd73e084b0ffefc0e13226098e28c71ad Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 26 May 2010 08:42:24 -0400
Subject: [PATCH 3178/3638] NFS: Fix a lock imbalance typo in
 nfs_access_cache_shrinker

Commit 9c7e7e23371e629dbb3b341610a418cdf1c19d91 (NFS: Don't call iput() in
nfs_access_cache_shrinker) unintentionally removed the spin unlock for the
inode->i_lock.

Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/dir.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ee9a179ebdf..db64854b7b0 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1741,6 +1741,7 @@ remove_lru_entry:
 			clear_bit(NFS_INO_ACL_LRU_SET, &nfsi->flags);
 			smp_mb__after_clear_bit();
 		}
+		spin_unlock(&inode->i_lock);
 	}
 	spin_unlock(&nfs_access_lru_lock);
 	nfs_access_free_list(&head);

From c5efa5fc91f1f6d1d47e65f39e7ec6d1157c777d Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 26 May 2010 08:42:11 -0400
Subject: [PATCH 3179/3638] NFS: Ensure that we mark the inode as dirty if we
 exit early from commit

If we exit from nfs_commit_inode() without ensuring that the COMMIT rpc
call has been completed, we must re-mark the inode as dirty. Otherwise,
future calls to sync_inode() with the WB_SYNC_ALL flag set will fail to
ensure that the data is on the disk.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/write.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 3aea3ca98ab..b8a6d7af2a1 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1386,7 +1386,7 @@ static int nfs_commit_inode(struct inode *inode, int how)
 	int res = 0;
 
 	if (!nfs_commit_set_lock(NFS_I(inode), may_wait))
-		goto out;
+		goto out_mark_dirty;
 	spin_lock(&inode->i_lock);
 	res = nfs_scan_commit(inode, &head, 0, 0);
 	spin_unlock(&inode->i_lock);
@@ -1398,9 +1398,18 @@ static int nfs_commit_inode(struct inode *inode, int how)
 			wait_on_bit(&NFS_I(inode)->flags, NFS_INO_COMMIT,
 					nfs_wait_bit_killable,
 					TASK_KILLABLE);
+		else
+			goto out_mark_dirty;
 	} else
 		nfs_commit_clear_lock(NFS_I(inode));
-out:
+	return res;
+	/* Note: If we exit without ensuring that the commit is complete,
+	 * we must mark the inode as dirty. Otherwise, future calls to
+	 * sync_inode() with the WB_SYNC_ALL flag set will fail to ensure
+	 * that the data is on the disk.
+	 */
+out_mark_dirty:
+	__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
 	return res;
 }
 

From 0522f6adedd2736cbca3c0e16ca51df668993eee Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 26 May 2010 08:42:24 -0400
Subject: [PATCH 3180/3638] NFS: Fix another nfs_wb_page() deadlock

J.R. Okajima reports that the call to sync_inode() in nfs_wb_page() can
deadlock with other writeback flush calls. It boils down to the fact
that we cannot ever call writeback_single_inode() while holding a page
lock (even if we do set nr_to_write to zero) since another process may
already be waiting in the call to do_writepages(), and so will deny us
the I_SYNC lock.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/write.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index b8a6d7af2a1..91679e2631e 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1518,14 +1518,17 @@ int nfs_wb_page(struct inode *inode, struct page *page)
 	};
 	int ret;
 
-	while(PagePrivate(page)) {
+	for (;;) {
 		wait_on_page_writeback(page);
 		if (clear_page_dirty_for_io(page)) {
 			ret = nfs_writepage_locked(page, &wbc);
 			if (ret < 0)
 				goto out_error;
+			continue;
 		}
-		ret = sync_inode(inode, &wbc);
+		if (!PagePrivate(page))
+			break;
+		ret = nfs_commit_inode(inode, FLUSH_SYNC);
 		if (ret < 0)
 			goto out_error;
 	}

From 2abfb9e1d470f7082e5e20e4b11a271a0124211b Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 26 May 2010 16:07:13 +0200
Subject: [PATCH 3181/3638] timers: Move local variable into else section

Fix nit-picking coding style detail.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/timer.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/timer.c b/kernel/timer.c
index d8decb8d46b..22118342a45 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -747,7 +747,7 @@ EXPORT_SYMBOL(mod_timer_pending);
 static inline
 unsigned long apply_slack(struct timer_list *timer, unsigned long expires)
 {
-	unsigned long expires_limit, mask, now;
+	unsigned long expires_limit, mask;
 	int bit;
 
 	expires_limit = expires;
@@ -755,7 +755,8 @@ unsigned long apply_slack(struct timer_list *timer, unsigned long expires)
 	if (timer->slack >= 0) {
 		expires_limit = expires + timer->slack;
 	} else {
-		now = jiffies;
+		unsigned long now = jiffies;
+
 		/* No slack, if already expired else auto slack 0.4% */
 		if (time_after(expires, now))
 			expires_limit = expires + (expires - now)/256;

From 174bd1994ec67a6e6191c4ed8e5dac17fa221b84 Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <stf_xl@wp.pl>
Date: Tue, 25 May 2010 23:49:12 +0200
Subject: [PATCH 3182/3638] hrtimer: Avoid double seqlock

hrtimer_get_softirq_time() has it's own xtime lock protection, so it's
safe to use plain __current_kernel_time() and avoid the double seqlock
loop.

Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
LKML-Reference: <20100525214912.GA1934@r2bh72.net.upc.cz>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/hrtimer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index b9b134b3508..5c69e996bd0 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -89,7 +89,7 @@ static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base)
 
 	do {
 		seq = read_seqbegin(&xtime_lock);
-		xts = current_kernel_time();
+		xts = __current_kernel_time();
 		tom = wall_to_monotonic;
 	} while (read_seqretry(&xtime_lock, seq));
 

From 3f7c579c41a3d20af76fd6ff1f6b949edf105fd1 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 26 May 2010 10:59:53 -0400
Subject: [PATCH 3183/3638] Btrfs: move O_DIRECT space reservation to
 btrfs_direct_IO

This moves the delalloc space reservation done for O_DIRECT
into btrfs_direct_IO.  This way we don't leak reserved space
if the generic O_DIRECT write code errors out before it
calls into btrfs_direct_IO.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/file.c  | 5 -----
 fs/btrfs/inode.c | 9 ++++++++-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 54556cae449..79437c5eeb1 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -888,14 +888,9 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 	BTRFS_I(inode)->sequence++;
 
 	if (unlikely(file->f_flags & O_DIRECT)) {
-		ret = btrfs_delalloc_reserve_space(inode, count);
-		if (ret)
-			goto out;
-
 		num_written = generic_file_direct_write(iocb, iov, &nr_segs,
 							pos, ppos, count,
 							ocount);
-
 		/*
 		 * the generic O_DIRECT will update in-memory i_size after the
 		 * DIOs are done.  But our endio handlers that update the on
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 00aefbdcc2d..ca9d5501d34 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5602,9 +5602,16 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
 	ssize_t ret;
 	int writing = rw & WRITE;
 	int write_bits = 0;
+	size_t count = iov_length(iov, nr_segs);
 
 	lockstart = offset;
-	lockend = offset + iov_length(iov, nr_segs) - 1;
+	lockend = offset + count - 1;
+
+	if (writing) {
+		ret = btrfs_delalloc_reserve_space(inode, count);
+		if (ret)
+			goto out;
+	}
 
 	while (1) {
 		lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,

From 94b604429a6cd94ddc128fa2772c57209bb1318f Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 26 May 2010 11:02:00 -0400
Subject: [PATCH 3184/3638] Btrfs: avoid ENOSPC errors in btrfs_dirty_inode

btrfs_dirty_inode tries to sneak in without much waiting or
space reservation, mostly for performance reasons.  This
usually works well but can cause problems when there are
many many writers.

When btrfs_update_inode fails with ENOSPC, we fallback
to a slower btrfs_start_transaction call that will reserve
some space.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ca9d5501d34..5d62f21b2e4 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4308,10 +4308,18 @@ void btrfs_dirty_inode(struct inode *inode)
 	btrfs_set_trans_block_group(trans, inode);
 
 	ret = btrfs_update_inode(trans, root, inode);
-	if (ret)
-		printk(KERN_ERR"btrfs: fail to dirty inode %lu error %d\n",
-			inode->i_ino, ret);
+	if (ret && ret == -ENOSPC) {
+		/* whoops, lets try again with the full transaction */
+		btrfs_end_transaction(trans, root);
+		trans = btrfs_start_transaction(root, 1);
+		btrfs_set_trans_block_group(trans, inode);
 
+		ret = btrfs_update_inode(trans, root, inode);
+		if (ret) {
+			printk(KERN_ERR"btrfs: fail to dirty inode %lu error %d\n",
+				inode->i_ino, ret);
+		}
+	}
 	btrfs_end_transaction(trans, root);
 }
 

From 0cae3457b1a6e88f31020272bcfd90c178716053 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Tue, 25 May 2010 23:42:58 -0700
Subject: [PATCH 3185/3638] mempolicy: ERR_PTR dereference in
 mpol_shared_policy_init()

The original code called mpol_put(new) while "new" was an ERR_PTR.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mempolicy.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 75751012c55..5d6fb339de0 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2098,7 +2098,7 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol)
 		/* contextualize the tmpfs mount point mempolicy */
 		new = mpol_new(mpol->mode, mpol->flags, &mpol->w.user_nodemask);
 		if (IS_ERR(new))
-			goto put_free; /* no valid nodemask intersection */
+			goto free_scratch; /* no valid nodemask intersection */
 
 		task_lock(current);
 		ret = mpol_set_nodemask(new, &mpol->w.user_nodemask, scratch);
@@ -2114,6 +2114,7 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol)
 
 put_free:
 		mpol_put(new);			/* drop initial ref */
+free_scratch:
 		NODEMASK_SCRATCH_FREE(scratch);
 	}
 }

From 3c7b204547bc3d342a4e31196fe14803581d279f Mon Sep 17 00:00:00 2001
From: Bernd Schmidt <bernds_cb1@t-online.de>
Date: Tue, 25 May 2010 23:43:00 -0700
Subject: [PATCH 3186/3638] nommu: allow private mappings of read-only devices

Slightly rearrange the logic that determines capabilities and vm_flags.
Disable BDI_CAP_MAP_DIRECT in all cases if the device can't support the
protections.  Allow private readonly mappings of readonly backing devices.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: David McCullough <davidm@snapgear.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/nommu.c | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/mm/nommu.c b/mm/nommu.c
index 63fa17d121f..b76f3ee0abe 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -918,14 +918,6 @@ static int validate_mmap_request(struct file *file,
 			if (!(capabilities & BDI_CAP_MAP_DIRECT))
 				return -ENODEV;
 
-			if (((prot & PROT_READ)  && !(capabilities & BDI_CAP_READ_MAP))  ||
-			    ((prot & PROT_WRITE) && !(capabilities & BDI_CAP_WRITE_MAP)) ||
-			    ((prot & PROT_EXEC)  && !(capabilities & BDI_CAP_EXEC_MAP))
-			    ) {
-				printk("MAP_SHARED not completely supported on !MMU\n");
-				return -EINVAL;
-			}
-
 			/* we mustn't privatise shared mappings */
 			capabilities &= ~BDI_CAP_MAP_COPY;
 		}
@@ -941,6 +933,20 @@ static int validate_mmap_request(struct file *file,
 				capabilities &= ~BDI_CAP_MAP_DIRECT;
 		}
 
+		if (capabilities & BDI_CAP_MAP_DIRECT) {
+			if (((prot & PROT_READ)  && !(capabilities & BDI_CAP_READ_MAP))  ||
+			    ((prot & PROT_WRITE) && !(capabilities & BDI_CAP_WRITE_MAP)) ||
+			    ((prot & PROT_EXEC)  && !(capabilities & BDI_CAP_EXEC_MAP))
+			    ) {
+				capabilities &= ~BDI_CAP_MAP_DIRECT;
+				if (flags & MAP_SHARED) {
+					printk(KERN_WARNING
+					       "MAP_SHARED not completely supported on !MMU\n");
+					return -EINVAL;
+				}
+			}
+		}
+
 		/* handle executable mappings and implied executable
 		 * mappings */
 		if (file->f_path.mnt->mnt_flags & MNT_NOEXEC) {
@@ -996,22 +1002,20 @@ static unsigned long determine_vm_flags(struct file *file,
 	unsigned long vm_flags;
 
 	vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags);
-	vm_flags |= VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
 	/* vm_flags |= mm->def_flags; */
 
 	if (!(capabilities & BDI_CAP_MAP_DIRECT)) {
 		/* attempt to share read-only copies of mapped file chunks */
+		vm_flags |= VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
 		if (file && !(prot & PROT_WRITE))
 			vm_flags |= VM_MAYSHARE;
-	}
-	else {
+	} else {
 		/* overlay a shareable mapping on the backing device or inode
 		 * if possible - used for chardevs, ramfs/tmpfs/shmfs and
 		 * romfs/cramfs */
+		vm_flags |= VM_MAYSHARE | (capabilities & BDI_CAP_VMFLAGS);
 		if (flags & MAP_SHARED)
-			vm_flags |= VM_MAYSHARE | VM_SHARED;
-		else if ((((vm_flags & capabilities) ^ vm_flags) & BDI_CAP_VMFLAGS) == 0)
-			vm_flags |= VM_MAYSHARE;
+			vm_flags |= VM_SHARED;
 	}
 
 	/* refuse to let anyone share private mappings with this process if

From cc68e3be7412baaa1ea2a2df9e88770f1753da78 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Tue, 25 May 2010 23:43:02 -0700
Subject: [PATCH 3187/3638] fs/fscache/object-list.c: fix warning on 32-bit

fs/fscache/object-list.c: In function 'fscache_objlist_lookup':
fs/fscache/object-list.c:105: warning: cast to pointer from integer of different size

Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/fscache/object-list.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fscache/object-list.c b/fs/fscache/object-list.c
index 1e1f286dd70..4a8eb31c533 100644
--- a/fs/fscache/object-list.c
+++ b/fs/fscache/object-list.c
@@ -103,7 +103,7 @@ static struct fscache_object *fscache_objlist_lookup(loff_t *_pos)
 	/* banners (can't represent line 0 by pos 0 as that would involve
 	 * returning a NULL pointer) */
 	if (pos == 0)
-		return (struct fscache_object *) ++(*_pos);
+		return (struct fscache_object *)(long)++(*_pos);
 	if (pos < 3)
 		return (struct fscache_object *)pos;
 

From 0d2daf5cc858bd9305bae187310a1dabaad0a2db Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Tue, 25 May 2010 23:43:03 -0700
Subject: [PATCH 3188/3638] revert "crc32: use __BYTE_ORDER macro for endian
 detection"

It doesn't work on big-endian - those architectures don't define
__LITTLE_ENDIAN.

Cc: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/crc32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/crc32.c b/lib/crc32.c
index 3087ed899ee..4855995fcde 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -50,7 +50,7 @@ MODULE_LICENSE("GPL");
 static inline u32
 crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])
 {
-# if __BYTE_ORDER == __LITTLE_ENDIAN
+# ifdef __LITTLE_ENDIAN
 #  define DO_CRC(x) crc = tab[0][(crc ^ (x)) & 255] ^ (crc >> 8)
 #  define DO_CRC4 crc = tab[3][(crc) & 255] ^ \
 		tab[2][(crc >> 8) & 255] ^ \

From 4e89e8f61bcdff82a7b63b80ed83a6725028d61b Mon Sep 17 00:00:00 2001
From: Wan ZongShun <mcuos.com@gmail.com>
Date: Tue, 25 May 2010 23:43:04 -0700
Subject: [PATCH 3189/3638] nuc900: add maintainer entries for Wan ZongShun

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 MAINTAINERS | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index a8fe9b461e0..18355cc1ce2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -969,6 +969,18 @@ M:	Wan ZongShun <mcuos.com@gmail.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 W:	http://www.mcuos.com
 S:	Maintained
+F:	arch/arm/mach-w90x900/
+F:	arch/arm/mach-nuc93x/
+F:	drivers/input/keyboard/w90p910_keypad.c
+F:	drivers/input/touchscreen/w90p910_ts.c
+F:	drivers/watchdog/nuc900_wdt.c
+F:	drivers/net/arm/w90p910_ether.c
+F:	drivers/mtd/nand/w90p910_nand.c
+F:	drivers/rtc/rtc-nuc900.c
+F:	drivers/spi/spi_nuc900.c
+F:	drivers/usb/host/ehci-w90x900.c
+F:	drivers/video/nuc900fb.c
+F:	drivers/sound/soc/nuc900/
 
 ARM/U300 MACHINE SUPPORT
 M:	Linus Walleij <linus.walleij@stericsson.com>

From 13da9e200fe4740b02cd51e07ab454627e228920 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 26 May 2010 08:30:15 -0700
Subject: [PATCH 3190/3638] Revert "endian: #define __BYTE_ORDER"

This reverts commit b3b77c8caef1750ebeea1054e39e358550ea9f55, which was
also totally broken (see commit 0d2daf5cc858 that reverted the crc32
version of it).  As reported by Stephen Rothwell, it causes problems on
big-endian machines:

> In file included from fs/jfs/jfs_types.h:33,
>                  from fs/jfs/jfs_incore.h:26,
>                  from fs/jfs/file.c:22:
> fs/jfs/endian24.h:36:101: warning: "__LITTLE_ENDIAN" is not defined

The kernel has never had that crazy "__BYTE_ORDER == __LITTLE_ENDIAN"
model.  It's not how we do things, and it isn't how we _should_ do
things.  So don't go there.

Requested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/alpha/math-emu/sfp-util.h          | 5 +++++
 arch/powerpc/include/asm/sfp-machine.h  | 6 ++++++
 arch/s390/include/asm/sfp-util.h        | 2 ++
 arch/sh/math-emu/sfp-util.h             | 4 ++++
 arch/sparc/math-emu/sfp-util_32.h       | 6 ++++++
 arch/sparc/math-emu/sfp-util_64.h       | 6 ++++++
 arch/x86/boot/compressed/relocs.c       | 4 ++--
 include/linux/byteorder/big_endian.h    | 3 ---
 include/linux/byteorder/little_endian.h | 3 ---
 9 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/arch/alpha/math-emu/sfp-util.h b/arch/alpha/math-emu/sfp-util.h
index d4c6ae7fee4..f53707f7745 100644
--- a/arch/alpha/math-emu/sfp-util.h
+++ b/arch/alpha/math-emu/sfp-util.h
@@ -28,3 +28,8 @@ extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
 #define UDIV_NEEDS_NORMALIZATION 1  
 
 #define abort()			goto bad_insn
+
+#ifndef __LITTLE_ENDIAN
+#define __LITTLE_ENDIAN -1
+#endif
+#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/arch/powerpc/include/asm/sfp-machine.h b/arch/powerpc/include/asm/sfp-machine.h
index 8b8fab91ad1..3a7a67a0d00 100644
--- a/arch/powerpc/include/asm/sfp-machine.h
+++ b/arch/powerpc/include/asm/sfp-machine.h
@@ -353,6 +353,12 @@
 #define abort()								\
 	return 0
 
+#ifdef __BIG_ENDIAN
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
 /* Exception flags. */
 #define EFLAG_INVALID		(1 << (31 - 2))
 #define EFLAG_OVERFLOW		(1 << (31 - 3))
diff --git a/arch/s390/include/asm/sfp-util.h b/arch/s390/include/asm/sfp-util.h
index 7d43fee17e3..0addc6466d9 100644
--- a/arch/s390/include/asm/sfp-util.h
+++ b/arch/s390/include/asm/sfp-util.h
@@ -73,3 +73,5 @@ extern unsigned long __udiv_qrnnd (unsigned int *, unsigned int,
 #define UDIV_NEEDS_NORMALIZATION 0
 
 #define abort() return 0
+
+#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/arch/sh/math-emu/sfp-util.h b/arch/sh/math-emu/sfp-util.h
index e8526021892..8ae1bd310ad 100644
--- a/arch/sh/math-emu/sfp-util.h
+++ b/arch/sh/math-emu/sfp-util.h
@@ -66,3 +66,7 @@
   } while (0)
 
 #define abort()	return 0
+
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+
diff --git a/arch/sparc/math-emu/sfp-util_32.h b/arch/sparc/math-emu/sfp-util_32.h
index 0ea35afbb91..d1b2aff3c25 100644
--- a/arch/sparc/math-emu/sfp-util_32.h
+++ b/arch/sparc/math-emu/sfp-util_32.h
@@ -107,3 +107,9 @@
 
 #define abort()								\
 	return 0
+
+#ifdef __BIG_ENDIAN
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
diff --git a/arch/sparc/math-emu/sfp-util_64.h b/arch/sparc/math-emu/sfp-util_64.h
index d17c9bc7218..425d3cf01af 100644
--- a/arch/sparc/math-emu/sfp-util_64.h
+++ b/arch/sparc/math-emu/sfp-util_64.h
@@ -112,3 +112,9 @@
 
 #define abort() \
 	return 0
+
+#ifdef __BIG_ENDIAN
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c
index 7b1aaa20c7b..89bbf4e4d05 100644
--- a/arch/x86/boot/compressed/relocs.c
+++ b/arch/x86/boot/compressed/relocs.c
@@ -195,11 +195,11 @@ static const char *sym_name(const char *sym_strtab, Elf32_Sym *sym)
 
 
 
-#if __BYTE_ORDER == __LITTLE_ENDIAN
+#if BYTE_ORDER == LITTLE_ENDIAN
 #define le16_to_cpu(val) (val)
 #define le32_to_cpu(val) (val)
 #endif
-#if __BYTE_ORDER == __BIG_ENDIAN
+#if BYTE_ORDER == BIG_ENDIAN
 #define le16_to_cpu(val) bswap_16(val)
 #define le32_to_cpu(val) bswap_32(val)
 #endif
diff --git a/include/linux/byteorder/big_endian.h b/include/linux/byteorder/big_endian.h
index d53a67dff01..3c80fd7e8b5 100644
--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -7,9 +7,6 @@
 #ifndef __BIG_ENDIAN_BITFIELD
 #define __BIG_ENDIAN_BITFIELD
 #endif
-#ifndef __BYTE_ORDER
-#define __BYTE_ORDER __BIG_ENDIAN
-#endif
 
 #include <linux/types.h>
 #include <linux/swab.h>
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
index f7f8ad13adb..83195fb8296 100644
--- a/include/linux/byteorder/little_endian.h
+++ b/include/linux/byteorder/little_endian.h
@@ -7,9 +7,6 @@
 #ifndef __LITTLE_ENDIAN_BITFIELD
 #define __LITTLE_ENDIAN_BITFIELD
 #endif
-#ifndef __BYTE_ORDER
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
 
 #include <linux/types.h>
 #include <linux/swab.h>

From 3ca341499612572aa1e377a37fa0220d48b12e92 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Mon, 24 May 2010 10:55:16 +0200
Subject: [PATCH 3191/3638] ASoC: fix uninitialised variable in siu_dai.c

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/sh/siu_dai.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c
index 5452d19607e..c86c0858d6e 100644
--- a/sound/soc/sh/siu_dai.c
+++ b/sound/soc/sh/siu_dai.c
@@ -587,6 +587,8 @@ static int siu_dai_prepare(struct snd_pcm_substream *substream,
 		ret = siu_dai_spbstart(port_info);
 		if (ret < 0)
 			goto fail;
+	} else {
+		ret = 0;
 	}
 
 	port_info->play_cap |= self;

From e2b3e622b259e62aa2450a25f1c20cca1bfdc81e Mon Sep 17 00:00:00 2001
From: Stuart Longland <redhatter@gentoo.org>
Date: Sat, 22 May 2010 22:01:25 +1000
Subject: [PATCH 3192/3638] ASoC: Update Freescale i.MX SSI driver DMA
 parameter handling

This updates the i.MX SSI driver to make it compatible with the ASoC tree
following the move of DMA parameters from the DAI to the audio substream
object.

Signed-off-by: Stuart Longland <redhatter@gentoo.org>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 sound/soc/imx/imx-pcm-dma-mx2.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c
index 93272966b84..7bd07d66bf3 100644
--- a/sound/soc/imx/imx-pcm-dma-mx2.c
+++ b/sound/soc/imx/imx-pcm-dma-mx2.c
@@ -72,7 +72,8 @@ static void snd_imx_dma_err_callback(int channel, void *data, int err)
 {
 	struct snd_pcm_substream *substream = data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct imx_pcm_dma_params *dma_params = rtd->dai->cpu_dai->dma_data;
+	struct imx_pcm_dma_params *dma_params = 
+		snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct imx_pcm_runtime_data *iprtd = runtime->private_data;
 	int ret;
@@ -101,7 +102,7 @@ static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream)
 	struct imx_pcm_runtime_data *iprtd = runtime->private_data;
 	int ret;
 
-	dma_params = snd_soc_get_dma_data(rtd->dai->cpu_dai, substream);
+	dma_params = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 
 	iprtd->dma = imx_dma_request_by_prio(DRV_NAME, DMA_PRIO_HIGH);
 	if (iprtd->dma < 0) {
@@ -211,7 +212,7 @@ static int snd_imx_pcm_prepare(struct snd_pcm_substream *substream)
 	struct imx_pcm_runtime_data *iprtd = runtime->private_data;
 	int err;
 
-	dma_params = snd_soc_get_dma_data(rtd->dai->cpu_dai, substream);
+	dma_params = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 
 	iprtd->substream = substream;
 	iprtd->buf = (unsigned int *)substream->dma_buffer.area;

From e6a08c5a8990102bcd1f4bae84b668da6c23caa9 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 25 May 2010 10:46:05 -0700
Subject: [PATCH 3193/3638] ASoC: Fix dB scales for WM835x

These should be regular rather than linear scales.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: stable@kernel.org
---
 sound/soc/codecs/wm8350.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/wm8350.c b/sound/soc/codecs/wm8350.c
index e5a48da65f8..c342c2c9fb4 100644
--- a/sound/soc/codecs/wm8350.c
+++ b/sound/soc/codecs/wm8350.c
@@ -425,8 +425,8 @@ static const struct soc_enum wm8350_enum[] = {
 	SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr),
 };
 
-static DECLARE_TLV_DB_LINEAR(pre_amp_tlv, -1200, 3525);
-static DECLARE_TLV_DB_LINEAR(out_pga_tlv, -5700, 600);
+static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0);
+static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0);
 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
 static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);

From 3351e9fbb0fda6498ee149ee88c67f5849813c57 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 25 May 2010 10:48:31 -0700
Subject: [PATCH 3194/3638] ASoC: Fix dB scales for WM8400

These scales should be regular, not linear.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: stable@kernel.org
---
 sound/soc/codecs/wm8400.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
index a7506ae2b8c..535db3bff86 100644
--- a/sound/soc/codecs/wm8400.c
+++ b/sound/soc/codecs/wm8400.c
@@ -106,21 +106,21 @@ static void wm8400_codec_reset(struct snd_soc_codec *codec)
 	wm8400_reset_codec_reg_cache(wm8400->wm8400);
 }
 
-static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
+static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
 
-static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
+static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, -2100, 0);
+static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
+static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
+static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
+static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
 
-static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
+static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
+static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
 
 static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_value *ucontrol)
@@ -439,7 +439,7 @@ static int outmixer_event (struct snd_soc_dapm_widget *w,
 /* INMIX dB values */
 static const unsigned int in_mix_tlv[] = {
 	TLV_DB_RANGE_HEAD(1),
-	0,7, TLV_DB_LINEAR_ITEM(-1200, 600),
+	0,7, TLV_DB_SCALE_ITEM(-1200, 600, 0),
 };
 
 /* Left In PGA Connections */

From f68596c6d8711650722b2a54328a088a2c21bc5b Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 25 May 2010 10:49:00 -0700
Subject: [PATCH 3195/3638] ASoC: Fix dB scales for WM8990

These should be regular, not linear.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: stable@kernel.org
---
 sound/soc/codecs/wm8990.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c
index 9a9528e9044..b6c003f9e86 100644
--- a/sound/soc/codecs/wm8990.c
+++ b/sound/soc/codecs/wm8990.c
@@ -110,21 +110,21 @@ static const u16 wm8990_reg[] = {
 
 #define wm8990_reset(c) snd_soc_write(c, WM8990_RESET, 0)
 
-static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
+static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
 
-static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
+static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, 0, -2100);
+static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
+static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
+static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
+static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
 
-static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
+static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
 
-static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
+static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
 
 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
@@ -450,7 +450,7 @@ static int outmixer_event(struct snd_soc_dapm_widget *w,
 /* INMIX dB values */
 static const unsigned int in_mix_tlv[] = {
 	TLV_DB_RANGE_HEAD(1),
-	0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
+	0, 7, TLV_DB_SCALE_ITEM(-1200, 600, 0),
 };
 
 /* Left In PGA Connections */

From 62e3436b5f3461662929eae102beefbd12127cb1 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 26 May 2010 13:22:26 -0300
Subject: [PATCH 3196/3638] perf tui: Reset use_browser if stdout is not a tty
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The newt initialization routines weren't being called because the output
was a file (perf annotate > /tmp/bla) but use_browser was still 1,
because ~/.perfconfig had it as 'on', so, later on newt routines
segfaulted.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-annotate.c | 2 +-
 tools/perf/util/newt.c        | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 08278eda31a..96db5248e99 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -343,7 +343,7 @@ find_next:
 			continue;
 		}
 
-		if (use_browser) {
+		if (use_browser > 0) {
 			key = hist_entry__tui_annotate(he);
 			if (is_exit_key(key))
 				break;
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index d54c540f49d..cf182ca132f 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -1139,6 +1139,7 @@ void setup_browser(void)
 	struct newtPercentTreeColors *c = &defaultPercentTreeColors;
 
 	if (!isatty(1) || !use_browser || dump_trace) {
+		use_browser = 0;
 		setup_pager();
 		return;
 	}

From 5ad90e4ea4a096af9f0a362e34dfae5686a191ef Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 26 May 2010 13:26:02 -0300
Subject: [PATCH 3197/3638] perf symbols: Add the build id cache to the vmlinux
 path
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

So that if the kernel DSO has a build id because record inserted it in
the perf.data build id table in the header, or a BUILD_ID event was
inserted in the stream, we first look at the build id cache
($HOME/.debug/).

If we find it there, try to use it, allowing offline annotation in
addition to 'perf report'.

Reported-by: Stephane Eranian <eranian@google.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-top.c |  2 +-
 tools/perf/util/symbol.c | 27 +++++++++++++++++++++++----
 tools/perf/util/symbol.h |  2 +-
 3 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 397290a0a76..a66f4272b99 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1060,7 +1060,7 @@ static void event__process_sample(const event_t *self,
 			pr_err("Can't annotate %s", sym->name);
 			if (sym_filter_entry->map->dso->origin == DSO__ORIG_KERNEL) {
 				pr_err(": No vmlinux file was found in the path:\n");
-				vmlinux_path__fprintf(stderr);
+				machine__fprintf_vmlinux_path(machine, stderr);
 			} else
 				pr_err(".\n");
 			exit(1);
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index aaa51ba147d..7fd6b151feb 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1695,9 +1695,20 @@ int dso__load_vmlinux_path(struct dso *self, struct map *map,
 			   symbol_filter_t filter)
 {
 	int i, err = 0;
+	char *filename;
 
 	pr_debug("Looking at the vmlinux_path (%d entries long)\n",
-		 vmlinux_path__nr_entries);
+		 vmlinux_path__nr_entries + 1);
+
+	filename = dso__build_id_filename(self, NULL, 0);
+	if (filename != NULL) {
+		err = dso__load_vmlinux(self, map, filename, filter);
+		if (err > 0) {
+			dso__set_long_name(self, filename);
+			goto out;
+		}
+		free(filename);
+	}
 
 	for (i = 0; i < vmlinux_path__nr_entries; ++i) {
 		err = dso__load_vmlinux(self, map, vmlinux_path[i], filter);
@@ -1706,7 +1717,7 @@ int dso__load_vmlinux_path(struct dso *self, struct map *map,
 			break;
 		}
 	}
-
+out:
 	return err;
 }
 
@@ -2102,13 +2113,21 @@ out_fail:
 	return -1;
 }
 
-size_t vmlinux_path__fprintf(FILE *fp)
+size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp)
 {
 	int i;
 	size_t printed = 0;
+	struct dso *kdso = self->vmlinux_maps[MAP__FUNCTION]->dso;
+
+	if (kdso->has_build_id) {
+		char filename[PATH_MAX];
+		if (dso__build_id_filename(kdso, filename, sizeof(filename)))
+			printed += fprintf(fp, "[0] %s\n", filename);
+	}
 
 	for (i = 0; i < vmlinux_path__nr_entries; ++i)
-		printed += fprintf(fp, "[%d] %s\n", i, vmlinux_path[i]);
+		printed += fprintf(fp, "[%d] %s\n",
+				   i + kdso->has_build_id, vmlinux_path[i]);
 
 	return printed;
 }
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 5d25b5eb145..5e02d2c1715 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -216,6 +216,6 @@ int machines__create_guest_kernel_maps(struct rb_root *self);
 int symbol__init(void);
 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
 
-size_t vmlinux_path__fprintf(FILE *fp);
+size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp);
 
 #endif /* __PERF_SYMBOL */

From ee378a5c6550dcbfe6fa9c71b84ca2eb19cb288e Mon Sep 17 00:00:00 2001
From: InKi Dae <inki.dae@samsung.com>
Date: Mon, 24 May 2010 12:21:36 -0700
Subject: [PATCH 3198/3638] backlight: add S6E63M0 AMOLED LCD Panel driver

This is S6E63M0 AMOLED LCD Panel(480x800) driver using 3-wired SPI
interface also almost features for lcd panel driver has been implemented
in here.  and I added new structure common for all the lcd panel drivers
to include/linux/lcd.h file.

LCD Panel driver needs interfaces for controlling device power such as
power on/off and reset.  these interfaces are device specific so it should
be implemented to machine code at this time, we should create new
structure for registering these functions as callbacks and also a header
file for that structure and finally registered callback functions would be
called by lcd panel driver.  such header file(including new structure for
lcd panel) would be added for all the lcd panel drivers.

If anyone provides common structure for registering such callback
functions then we could reduce unnecessary header files for lcd panel.  I
thought that suitable anyone could be include/linux/lcd.h so a new
lcd_platform_data structure was added there.

[akpm@linux-foundation.org: coding-style fixes]
[randy.dunlap@oracle.com: fix s6e63m0 kconfig]
[randy.dunlap@oracle.com: fix device attribute functions return types]
Signed-off-by: InKi Dae <inki.dae@samsung.com>
Reviewed-by: KyungMin Park <kyungmin.park.samsung.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/Kconfig         |   8 +
 drivers/video/backlight/Makefile        |   1 +
 drivers/video/backlight/s6e63m0.c       | 920 ++++++++++++++++++++++++
 drivers/video/backlight/s6e63m0_gamma.h | 266 +++++++
 include/linux/lcd.h                     |  23 +
 5 files changed, 1218 insertions(+)
 create mode 100644 drivers/video/backlight/s6e63m0.c
 create mode 100644 drivers/video/backlight/s6e63m0_gamma.h

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 39ecaf71c1f..cbd80978460 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -101,6 +101,14 @@ config LCD_HP700
 	  If you have an HP Jornada 700 series handheld (710/720/728)
 	  say Y to enable LCD control driver.
 
+config LCD_S6E63M0
+	tristate "S6E63M0 AMOLED LCD Driver"
+	depends on SPI && BACKLIGHT_CLASS_DEVICE
+	default n
+	help
+	  If you have an S6E63M0 LCD Panel, say Y to enable its
+	  LCD control driver.
+
 endif # LCD_CLASS_DEVICE
 
 #
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index ef610b15fdc..f8978c0a231 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_LCD_PLATFORM)	   += platform_lcd.o
 obj-$(CONFIG_LCD_VGG2432A4)	   += vgg2432a4.o
 obj-$(CONFIG_LCD_TDO24M)	   += tdo24m.o
 obj-$(CONFIG_LCD_TOSA)		   += tosa_lcd.o
+obj-$(CONFIG_LCD_S6E63M0)	+= s6e63m0.o
 
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
 obj-$(CONFIG_BACKLIGHT_ATMEL_PWM)    += atmel-pwm-bl.o
diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c
new file mode 100644
index 00000000000..a3128c9cb7a
--- /dev/null
+++ b/drivers/video/backlight/s6e63m0.c
@@ -0,0 +1,920 @@
+/*
+ * S6E63M0 AMOLED LCD panel driver.
+ *
+ * Author: InKi Dae  <inki.dae@samsung.com>
+ *
+ * Derived from drivers/video/omap/lcd-apollon.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <linux/wait.h>
+#include <linux/fb.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/lcd.h>
+#include <linux/backlight.h>
+
+#include "s6e63m0_gamma.h"
+
+#define SLEEPMSEC		0x1000
+#define ENDDEF			0x2000
+#define	DEFMASK			0xFF00
+#define COMMAND_ONLY		0xFE
+#define DATA_ONLY		0xFF
+
+#define MIN_BRIGHTNESS		0
+#define MAX_BRIGHTNESS		10
+
+#define POWER_IS_ON(pwr)	((pwr) <= FB_BLANK_NORMAL)
+
+struct s6e63m0 {
+	struct device			*dev;
+	struct spi_device		*spi;
+	unsigned int			power;
+	unsigned int			current_brightness;
+	unsigned int			gamma_mode;
+	unsigned int			gamma_table_count;
+	struct lcd_device		*ld;
+	struct backlight_device		*bd;
+	struct lcd_platform_data	*lcd_pd;
+};
+
+static const unsigned short SEQ_PANEL_CONDITION_SET[] = {
+	0xF8, 0x01,
+	DATA_ONLY, 0x27,
+	DATA_ONLY, 0x27,
+	DATA_ONLY, 0x07,
+	DATA_ONLY, 0x07,
+	DATA_ONLY, 0x54,
+	DATA_ONLY, 0x9f,
+	DATA_ONLY, 0x63,
+	DATA_ONLY, 0x86,
+	DATA_ONLY, 0x1a,
+	DATA_ONLY, 0x33,
+	DATA_ONLY, 0x0d,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_DISPLAY_CONDITION_SET[] = {
+	0xf2, 0x02,
+	DATA_ONLY, 0x03,
+	DATA_ONLY, 0x1c,
+	DATA_ONLY, 0x10,
+	DATA_ONLY, 0x10,
+
+	0xf7, 0x03,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_GAMMA_SETTING[] = {
+	0xfa, 0x00,
+	DATA_ONLY, 0x18,
+	DATA_ONLY, 0x08,
+	DATA_ONLY, 0x24,
+	DATA_ONLY, 0x64,
+	DATA_ONLY, 0x56,
+	DATA_ONLY, 0x33,
+	DATA_ONLY, 0xb6,
+	DATA_ONLY, 0xba,
+	DATA_ONLY, 0xa8,
+	DATA_ONLY, 0xac,
+	DATA_ONLY, 0xb1,
+	DATA_ONLY, 0x9d,
+	DATA_ONLY, 0xc1,
+	DATA_ONLY, 0xc1,
+	DATA_ONLY, 0xb7,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x9c,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x9f,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0xd6,
+
+	0xfa, 0x01,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_ETC_CONDITION_SET[] = {
+	0xf6, 0x00,
+	DATA_ONLY, 0x8c,
+	DATA_ONLY, 0x07,
+
+	0xb3, 0xc,
+
+	0xb5, 0x2c,
+	DATA_ONLY, 0x12,
+	DATA_ONLY, 0x0c,
+	DATA_ONLY, 0x0a,
+	DATA_ONLY, 0x10,
+	DATA_ONLY, 0x0e,
+	DATA_ONLY, 0x17,
+	DATA_ONLY, 0x13,
+	DATA_ONLY, 0x1f,
+	DATA_ONLY, 0x1a,
+	DATA_ONLY, 0x2a,
+	DATA_ONLY, 0x24,
+	DATA_ONLY, 0x1f,
+	DATA_ONLY, 0x1b,
+	DATA_ONLY, 0x1a,
+	DATA_ONLY, 0x17,
+
+	DATA_ONLY, 0x2b,
+	DATA_ONLY, 0x26,
+	DATA_ONLY, 0x22,
+	DATA_ONLY, 0x20,
+	DATA_ONLY, 0x3a,
+	DATA_ONLY, 0x34,
+	DATA_ONLY, 0x30,
+	DATA_ONLY, 0x2c,
+	DATA_ONLY, 0x29,
+	DATA_ONLY, 0x26,
+	DATA_ONLY, 0x25,
+	DATA_ONLY, 0x23,
+	DATA_ONLY, 0x21,
+	DATA_ONLY, 0x20,
+	DATA_ONLY, 0x1e,
+	DATA_ONLY, 0x1e,
+
+	0xb6, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x11,
+	DATA_ONLY, 0x22,
+	DATA_ONLY, 0x33,
+	DATA_ONLY, 0x44,
+	DATA_ONLY, 0x44,
+	DATA_ONLY, 0x44,
+
+	DATA_ONLY, 0x55,
+	DATA_ONLY, 0x55,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+
+	0xb7, 0x2c,
+	DATA_ONLY, 0x12,
+	DATA_ONLY, 0x0c,
+	DATA_ONLY, 0x0a,
+	DATA_ONLY, 0x10,
+	DATA_ONLY, 0x0e,
+	DATA_ONLY, 0x17,
+	DATA_ONLY, 0x13,
+	DATA_ONLY, 0x1f,
+	DATA_ONLY, 0x1a,
+	DATA_ONLY, 0x2a,
+	DATA_ONLY, 0x24,
+	DATA_ONLY, 0x1f,
+	DATA_ONLY, 0x1b,
+	DATA_ONLY, 0x1a,
+	DATA_ONLY, 0x17,
+
+	DATA_ONLY, 0x2b,
+	DATA_ONLY, 0x26,
+	DATA_ONLY, 0x22,
+	DATA_ONLY, 0x20,
+	DATA_ONLY, 0x3a,
+	DATA_ONLY, 0x34,
+	DATA_ONLY, 0x30,
+	DATA_ONLY, 0x2c,
+	DATA_ONLY, 0x29,
+	DATA_ONLY, 0x26,
+	DATA_ONLY, 0x25,
+	DATA_ONLY, 0x23,
+	DATA_ONLY, 0x21,
+	DATA_ONLY, 0x20,
+	DATA_ONLY, 0x1e,
+	DATA_ONLY, 0x1e,
+
+	0xb8, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x11,
+	DATA_ONLY, 0x22,
+	DATA_ONLY, 0x33,
+	DATA_ONLY, 0x44,
+	DATA_ONLY, 0x44,
+	DATA_ONLY, 0x44,
+
+	DATA_ONLY, 0x55,
+	DATA_ONLY, 0x55,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+
+	0xb9, 0x2c,
+	DATA_ONLY, 0x12,
+	DATA_ONLY, 0x0c,
+	DATA_ONLY, 0x0a,
+	DATA_ONLY, 0x10,
+	DATA_ONLY, 0x0e,
+	DATA_ONLY, 0x17,
+	DATA_ONLY, 0x13,
+	DATA_ONLY, 0x1f,
+	DATA_ONLY, 0x1a,
+	DATA_ONLY, 0x2a,
+	DATA_ONLY, 0x24,
+	DATA_ONLY, 0x1f,
+	DATA_ONLY, 0x1b,
+	DATA_ONLY, 0x1a,
+	DATA_ONLY, 0x17,
+
+	DATA_ONLY, 0x2b,
+	DATA_ONLY, 0x26,
+	DATA_ONLY, 0x22,
+	DATA_ONLY, 0x20,
+	DATA_ONLY, 0x3a,
+	DATA_ONLY, 0x34,
+	DATA_ONLY, 0x30,
+	DATA_ONLY, 0x2c,
+	DATA_ONLY, 0x29,
+	DATA_ONLY, 0x26,
+	DATA_ONLY, 0x25,
+	DATA_ONLY, 0x23,
+	DATA_ONLY, 0x21,
+	DATA_ONLY, 0x20,
+	DATA_ONLY, 0x1e,
+	DATA_ONLY, 0x1e,
+
+	0xba, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x11,
+	DATA_ONLY, 0x22,
+	DATA_ONLY, 0x33,
+	DATA_ONLY, 0x44,
+	DATA_ONLY, 0x44,
+	DATA_ONLY, 0x44,
+
+	DATA_ONLY, 0x55,
+	DATA_ONLY, 0x55,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+	DATA_ONLY, 0x66,
+
+	0xc1, 0x4d,
+	DATA_ONLY, 0x96,
+	DATA_ONLY, 0x1d,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x01,
+	DATA_ONLY, 0xdf,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x03,
+	DATA_ONLY, 0x1f,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x00,
+	DATA_ONLY, 0x03,
+	DATA_ONLY, 0x06,
+	DATA_ONLY, 0x09,
+	DATA_ONLY, 0x0d,
+	DATA_ONLY, 0x0f,
+	DATA_ONLY, 0x12,
+	DATA_ONLY, 0x15,
+	DATA_ONLY, 0x18,
+
+	0xb2, 0x10,
+	DATA_ONLY, 0x10,
+	DATA_ONLY, 0x0b,
+	DATA_ONLY, 0x05,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_ACL_ON[] = {
+	/* ACL on */
+	0xc0, 0x01,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_ACL_OFF[] = {
+	/* ACL off */
+	0xc0, 0x00,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_ELVSS_ON[] = {
+	/* ELVSS on */
+	0xb1, 0x0b,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_ELVSS_OFF[] = {
+	/* ELVSS off */
+	0xb1, 0x0a,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_STAND_BY_OFF[] = {
+	0x11, COMMAND_ONLY,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_STAND_BY_ON[] = {
+	0x10, COMMAND_ONLY,
+
+	ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_DISPLAY_ON[] = {
+	0x29, COMMAND_ONLY,
+
+	ENDDEF, 0x0000
+};
+
+
+static int s6e63m0_spi_write_byte(struct s6e63m0 *lcd, int addr, int data)
+{
+	u16 buf[1];
+	struct spi_message msg;
+
+	struct spi_transfer xfer = {
+		.len		= 2,
+		.tx_buf		= buf,
+	};
+
+	buf[0] = (addr << 8) | data;
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfer, &msg);
+
+	return spi_sync(lcd->spi, &msg);
+}
+
+static int s6e63m0_spi_write(struct s6e63m0 *lcd, unsigned char address,
+	unsigned char command)
+{
+	int ret = 0;
+
+	if (address != DATA_ONLY)
+		ret = s6e63m0_spi_write_byte(lcd, 0x0, address);
+	if (command != COMMAND_ONLY)
+		ret = s6e63m0_spi_write_byte(lcd, 0x1, command);
+
+	return ret;
+}
+
+static int s6e63m0_panel_send_sequence(struct s6e63m0 *lcd,
+	const unsigned short *wbuf)
+{
+	int ret = 0, i = 0;
+
+	while ((wbuf[i] & DEFMASK) != ENDDEF) {
+		if ((wbuf[i] & DEFMASK) != SLEEPMSEC) {
+			ret = s6e63m0_spi_write(lcd, wbuf[i], wbuf[i+1]);
+			if (ret)
+				break;
+		} else
+			udelay(wbuf[i+1]*1000);
+		i += 2;
+	}
+
+	return ret;
+}
+
+static int _s6e63m0_gamma_ctl(struct s6e63m0 *lcd, const unsigned int *gamma)
+{
+	unsigned int i = 0;
+	int ret = 0;
+
+	/* disable gamma table updating. */
+	ret = s6e63m0_spi_write(lcd, 0xfa, 0x00);
+	if (ret) {
+		dev_err(lcd->dev, "failed to disable gamma table updating.\n");
+		goto gamma_err;
+	}
+
+	for (i = 0 ; i < GAMMA_TABLE_COUNT; i++) {
+		ret = s6e63m0_spi_write(lcd, DATA_ONLY, gamma[i]);
+		if (ret) {
+			dev_err(lcd->dev, "failed to set gamma table.\n");
+			goto gamma_err;
+		}
+	}
+
+	/* update gamma table. */
+	ret = s6e63m0_spi_write(lcd, 0xfa, 0x01);
+	if (ret)
+		dev_err(lcd->dev, "failed to update gamma table.\n");
+
+gamma_err:
+	return ret;
+}
+
+static int s6e63m0_gamma_ctl(struct s6e63m0 *lcd, int gamma)
+{
+	int ret = 0;
+
+	ret = _s6e63m0_gamma_ctl(lcd, gamma_table.gamma_22_table[gamma]);
+
+	return ret;
+}
+
+
+static int s6e63m0_ldi_init(struct s6e63m0 *lcd)
+{
+	int ret, i;
+	const unsigned short *init_seq[] = {
+		SEQ_PANEL_CONDITION_SET,
+		SEQ_DISPLAY_CONDITION_SET,
+		SEQ_GAMMA_SETTING,
+		SEQ_ETC_CONDITION_SET,
+		SEQ_ACL_ON,
+		SEQ_ELVSS_ON,
+	};
+
+	for (i = 0; i < ARRAY_SIZE(init_seq); i++) {
+		ret = s6e63m0_panel_send_sequence(lcd, init_seq[i]);
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+
+static int s6e63m0_ldi_enable(struct s6e63m0 *lcd)
+{
+	int ret = 0, i;
+	const unsigned short *enable_seq[] = {
+		SEQ_STAND_BY_OFF,
+		SEQ_DISPLAY_ON,
+	};
+
+	for (i = 0; i < ARRAY_SIZE(enable_seq); i++) {
+		ret = s6e63m0_panel_send_sequence(lcd, enable_seq[i]);
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+
+static int s6e63m0_ldi_disable(struct s6e63m0 *lcd)
+{
+	int ret;
+
+	ret = s6e63m0_panel_send_sequence(lcd, SEQ_STAND_BY_ON);
+
+	return ret;
+}
+
+static int s6e63m0_power_on(struct s6e63m0 *lcd)
+{
+	int ret = 0;
+	struct lcd_platform_data *pd = NULL;
+	struct backlight_device *bd = NULL;
+
+	pd = lcd->lcd_pd;
+	if (!pd) {
+		dev_err(lcd->dev, "platform data is NULL.\n");
+		return -EFAULT;
+	}
+
+	bd = lcd->bd;
+	if (!bd) {
+		dev_err(lcd->dev, "backlight device is NULL.\n");
+		return -EFAULT;
+	}
+
+	if (!pd->power_on) {
+		dev_err(lcd->dev, "power_on is NULL.\n");
+		return -EFAULT;
+	} else {
+		pd->power_on(lcd->ld, 1);
+		mdelay(pd->power_on_delay);
+	}
+
+	if (!pd->reset) {
+		dev_err(lcd->dev, "reset is NULL.\n");
+		return -EFAULT;
+	} else {
+		pd->reset(lcd->ld);
+		mdelay(pd->reset_delay);
+	}
+
+	ret = s6e63m0_ldi_init(lcd);
+	if (ret) {
+		dev_err(lcd->dev, "failed to initialize ldi.\n");
+		return ret;
+	}
+
+	ret = s6e63m0_ldi_enable(lcd);
+	if (ret) {
+		dev_err(lcd->dev, "failed to enable ldi.\n");
+		return ret;
+	}
+
+	/* set brightness to current value after power on or resume. */
+	ret = s6e63m0_gamma_ctl(lcd, bd->props.brightness);
+	if (ret) {
+		dev_err(lcd->dev, "lcd gamma setting failed.\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int s6e63m0_power_off(struct s6e63m0 *lcd)
+{
+	int ret = 0;
+	struct lcd_platform_data *pd = NULL;
+
+	pd = lcd->lcd_pd;
+	if (!pd) {
+		dev_err(lcd->dev, "platform data is NULL.\n");
+		return -EFAULT;
+	}
+
+	ret = s6e63m0_ldi_disable(lcd);
+	if (ret) {
+		dev_err(lcd->dev, "lcd setting failed.\n");
+		return -EIO;
+	}
+
+	mdelay(pd->power_off_delay);
+
+	if (!pd->power_on) {
+		dev_err(lcd->dev, "power_on is NULL.\n");
+		return -EFAULT;
+	} else
+		pd->power_on(lcd->ld, 0);
+
+	return 0;
+}
+
+static int s6e63m0_power(struct s6e63m0 *lcd, int power)
+{
+	int ret = 0;
+
+	if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
+		ret = s6e63m0_power_on(lcd);
+	else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
+		ret = s6e63m0_power_off(lcd);
+
+	if (!ret)
+		lcd->power = power;
+
+	return ret;
+}
+
+static int s6e63m0_set_power(struct lcd_device *ld, int power)
+{
+	struct s6e63m0 *lcd = lcd_get_data(ld);
+
+	if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN &&
+		power != FB_BLANK_NORMAL) {
+		dev_err(lcd->dev, "power value should be 0, 1 or 4.\n");
+		return -EINVAL;
+	}
+
+	return s6e63m0_power(lcd, power);
+}
+
+static int s6e63m0_get_power(struct lcd_device *ld)
+{
+	struct s6e63m0 *lcd = lcd_get_data(ld);
+
+	return lcd->power;
+}
+
+static int s6e63m0_get_brightness(struct backlight_device *bd)
+{
+	return bd->props.brightness;
+}
+
+static int s6e63m0_set_brightness(struct backlight_device *bd)
+{
+	int ret = 0, brightness = bd->props.brightness;
+	struct s6e63m0 *lcd = bl_get_data(bd);
+
+	if (brightness < MIN_BRIGHTNESS ||
+		brightness > bd->props.max_brightness) {
+		dev_err(&bd->dev, "lcd brightness should be %d to %d.\n",
+			MIN_BRIGHTNESS, MAX_BRIGHTNESS);
+		return -EINVAL;
+	}
+
+	ret = s6e63m0_gamma_ctl(lcd, bd->props.brightness);
+	if (ret) {
+		dev_err(&bd->dev, "lcd brightness setting failed.\n");
+		return -EIO;
+	}
+
+	return ret;
+}
+
+static struct lcd_ops s6e63m0_lcd_ops = {
+	.set_power = s6e63m0_set_power,
+	.get_power = s6e63m0_get_power,
+};
+
+static const struct backlight_ops s6e63m0_backlight_ops  = {
+	.get_brightness = s6e63m0_get_brightness,
+	.update_status = s6e63m0_set_brightness,
+};
+
+static ssize_t s6e63m0_sysfs_show_gamma_mode(struct device *dev,
+				      struct device_attribute *attr, char *buf)
+{
+	struct s6e63m0 *lcd = dev_get_drvdata(dev);
+	char temp[10];
+
+	switch (lcd->gamma_mode) {
+	case 0:
+		sprintf(temp, "2.2 mode\n");
+		strcat(buf, temp);
+		break;
+	case 1:
+		sprintf(temp, "1.9 mode\n");
+		strcat(buf, temp);
+		break;
+	case 2:
+		sprintf(temp, "1.7 mode\n");
+		strcat(buf, temp);
+		break;
+	default:
+		dev_info(dev, "gamma mode could be 0:2.2, 1:1.9 or 2:1.7)n");
+		break;
+	}
+
+	return strlen(buf);
+}
+
+static ssize_t s6e63m0_sysfs_store_gamma_mode(struct device *dev,
+				       struct device_attribute *attr,
+				       const char *buf, size_t len)
+{
+	struct s6e63m0 *lcd = dev_get_drvdata(dev);
+	struct backlight_device *bd = NULL;
+	int brightness, rc;
+
+	rc = strict_strtoul(buf, 0, (unsigned long *)&lcd->gamma_mode);
+	if (rc < 0)
+		return rc;
+
+	bd = lcd->bd;
+
+	brightness = bd->props.brightness;
+
+	switch (lcd->gamma_mode) {
+	case 0:
+		_s6e63m0_gamma_ctl(lcd, gamma_table.gamma_22_table[brightness]);
+		break;
+	case 1:
+		_s6e63m0_gamma_ctl(lcd, gamma_table.gamma_19_table[brightness]);
+		break;
+	case 2:
+		_s6e63m0_gamma_ctl(lcd, gamma_table.gamma_17_table[brightness]);
+		break;
+	default:
+		dev_info(dev, "gamma mode could be 0:2.2, 1:1.9 or 2:1.7\n");
+		_s6e63m0_gamma_ctl(lcd, gamma_table.gamma_22_table[brightness]);
+		break;
+	}
+	return len;
+}
+
+static DEVICE_ATTR(gamma_mode, 0644,
+		s6e63m0_sysfs_show_gamma_mode, s6e63m0_sysfs_store_gamma_mode);
+
+static ssize_t s6e63m0_sysfs_show_gamma_table(struct device *dev,
+				      struct device_attribute *attr, char *buf)
+{
+	struct s6e63m0 *lcd = dev_get_drvdata(dev);
+	char temp[3];
+
+	sprintf(temp, "%d\n", lcd->gamma_table_count);
+	strcpy(buf, temp);
+
+	return strlen(buf);
+}
+static DEVICE_ATTR(gamma_table, 0644,
+		s6e63m0_sysfs_show_gamma_table, NULL);
+
+static int __init s6e63m0_probe(struct spi_device *spi)
+{
+	int ret = 0;
+	struct s6e63m0 *lcd = NULL;
+	struct lcd_device *ld = NULL;
+	struct backlight_device *bd = NULL;
+
+	lcd = kzalloc(sizeof(struct s6e63m0), GFP_KERNEL);
+	if (!lcd)
+		return -ENOMEM;
+
+	/* s6e63m0 lcd panel uses 3-wire 9bits SPI Mode. */
+	spi->bits_per_word = 9;
+
+	ret = spi_setup(spi);
+	if (ret < 0) {
+		dev_err(&spi->dev, "spi setup failed.\n");
+		goto out_free_lcd;
+	}
+
+	lcd->spi = spi;
+	lcd->dev = &spi->dev;
+
+	lcd->lcd_pd = (struct lcd_platform_data *)spi->dev.platform_data;
+	if (!lcd->lcd_pd) {
+		dev_err(&spi->dev, "platform data is NULL.\n");
+		goto out_free_lcd;
+	}
+
+	ld = lcd_device_register("s6e63m0", &spi->dev, lcd, &s6e63m0_lcd_ops);
+	if (IS_ERR(ld)) {
+		ret = PTR_ERR(ld);
+		goto out_free_lcd;
+	}
+
+	lcd->ld = ld;
+
+	bd = backlight_device_register("s6e63m0bl-bl", &spi->dev, lcd,
+		&s6e63m0_backlight_ops, NULL);
+	if (IS_ERR(bd)) {
+		ret =  PTR_ERR(bd);
+		goto out_lcd_unregister;
+	}
+
+	bd->props.max_brightness = MAX_BRIGHTNESS;
+	bd->props.brightness = MAX_BRIGHTNESS;
+	lcd->bd = bd;
+
+	/*
+	 * it gets gamma table count available so it gets user
+	 * know that.
+	 */
+	lcd->gamma_table_count =
+	    sizeof(gamma_table) / (MAX_GAMMA_LEVEL * sizeof(int));
+
+	ret = device_create_file(&(spi->dev), &dev_attr_gamma_mode);
+	if (ret < 0)
+		dev_err(&(spi->dev), "failed to add sysfs entries\n");
+
+	ret = device_create_file(&(spi->dev), &dev_attr_gamma_table);
+	if (ret < 0)
+		dev_err(&(spi->dev), "failed to add sysfs entries\n");
+
+	/*
+	 * if lcd panel was on from bootloader like u-boot then
+	 * do not lcd on.
+	 */
+	if (!lcd->lcd_pd->lcd_enabled) {
+		/*
+		 * if lcd panel was off from bootloader then
+		 * current lcd status is powerdown and then
+		 * it enables lcd panel.
+		 */
+		lcd->power = FB_BLANK_POWERDOWN;
+
+		s6e63m0_power(lcd, FB_BLANK_UNBLANK);
+	} else
+		lcd->power = FB_BLANK_UNBLANK;
+
+	dev_set_drvdata(&spi->dev, lcd);
+
+	dev_info(&spi->dev, "s6e63m0 panel driver has been probed.\n");
+
+	return 0;
+
+out_lcd_unregister:
+	lcd_device_unregister(ld);
+out_free_lcd:
+	kfree(lcd);
+	return ret;
+}
+
+static int __devexit s6e63m0_remove(struct spi_device *spi)
+{
+	struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev);
+
+	s6e63m0_power(lcd, FB_BLANK_POWERDOWN);
+	lcd_device_unregister(lcd->ld);
+	kfree(lcd);
+
+	return 0;
+}
+
+#if defined(CONFIG_PM)
+unsigned int before_power;
+
+static int s6e63m0_suspend(struct spi_device *spi, pm_message_t mesg)
+{
+	int ret = 0;
+	struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev);
+
+	dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power);
+
+	before_power = lcd->power;
+
+	/*
+	 * when lcd panel is suspend, lcd panel becomes off
+	 * regardless of status.
+	 */
+	ret = s6e63m0_power(lcd, FB_BLANK_POWERDOWN);
+
+	return ret;
+}
+
+static int s6e63m0_resume(struct spi_device *spi)
+{
+	int ret = 0;
+	struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev);
+
+	/*
+	 * after suspended, if lcd panel status is FB_BLANK_UNBLANK
+	 * (at that time, before_power is FB_BLANK_UNBLANK) then
+	 * it changes that status to FB_BLANK_POWERDOWN to get lcd on.
+	 */
+	if (before_power == FB_BLANK_UNBLANK)
+		lcd->power = FB_BLANK_POWERDOWN;
+
+	dev_dbg(&spi->dev, "before_power = %d\n", before_power);
+
+	ret = s6e63m0_power(lcd, before_power);
+
+	return ret;
+}
+#else
+#define s6e63m0_suspend		NULL
+#define s6e63m0_resume		NULL
+#endif
+
+/* Power down all displays on reboot, poweroff or halt. */
+static void s6e63m0_shutdown(struct spi_device *spi)
+{
+	struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev);
+
+	s6e63m0_power(lcd, FB_BLANK_POWERDOWN);
+}
+
+static struct spi_driver s6e63m0_driver = {
+	.driver = {
+		.name	= "s6e63m0",
+		.bus	= &spi_bus_type,
+		.owner	= THIS_MODULE,
+	},
+	.probe		= s6e63m0_probe,
+	.remove		= __devexit_p(s6e63m0_remove),
+	.shutdown	= s6e63m0_shutdown,
+	.suspend	= s6e63m0_suspend,
+	.resume		= s6e63m0_resume,
+};
+
+static int __init s6e63m0_init(void)
+{
+	return spi_register_driver(&s6e63m0_driver);
+}
+
+static void __exit s6e63m0_exit(void)
+{
+	spi_unregister_driver(&s6e63m0_driver);
+}
+
+module_init(s6e63m0_init);
+module_exit(s6e63m0_exit);
+
+MODULE_AUTHOR("InKi Dae <inki.dae@samsung.com>");
+MODULE_DESCRIPTION("S6E63M0 LCD Driver");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/video/backlight/s6e63m0_gamma.h b/drivers/video/backlight/s6e63m0_gamma.h
new file mode 100644
index 00000000000..2c44bdb0696
--- /dev/null
+++ b/drivers/video/backlight/s6e63m0_gamma.h
@@ -0,0 +1,266 @@
+/* linux/drivers/video/samsung/s6e63m0_brightness.h
+ *
+ * Gamma level definitions.
+ *
+ * Copyright (c) 2009 Samsung Electronics
+ * InKi Dae <inki.dae@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef _S6E63M0_BRIGHTNESS_H
+#define _S6E63M0_BRIGHTNESS_H
+
+#define MAX_GAMMA_LEVEL		11
+#define GAMMA_TABLE_COUNT	21
+
+/* gamma value: 2.2 */
+static const unsigned int s6e63m0_22_300[] = {
+	0x18, 0x08, 0x24, 0x5f, 0x50, 0x2d, 0xB6,
+	0xB9, 0xA7, 0xAd, 0xB1, 0x9f, 0xbe, 0xC0,
+	0xB5, 0x00, 0xa0, 0x00, 0xa4, 0x00, 0xdb
+};
+
+static const unsigned int s6e63m0_22_280[] = {
+	0x18, 0x08, 0x24, 0x64, 0x56, 0x33, 0xB6,
+	0xBA, 0xA8, 0xAC, 0xB1, 0x9D, 0xC1, 0xC1,
+	0xB7, 0x00, 0x9C, 0x00, 0x9F, 0x00, 0xD6
+};
+
+static const unsigned int s6e63m0_22_260[] = {
+	0x18, 0x08, 0x24, 0x66, 0x58, 0x34, 0xB6,
+	0xBA, 0xA7, 0xAF, 0xB3, 0xA0, 0xC1, 0xC2,
+	0xB7, 0x00, 0x97, 0x00, 0x9A, 0x00, 0xD1
+
+};
+
+static const unsigned int s6e63m0_22_240[] = {
+	0x18, 0x08, 0x24, 0x62, 0x54, 0x30, 0xB9,
+	0xBB, 0xA9, 0xB0, 0xB3, 0xA1, 0xC1, 0xC3,
+	0xB7, 0x00, 0x91, 0x00, 0x95, 0x00, 0xDA
+
+};
+static const unsigned int s6e63m0_22_220[] = {
+	0x18, 0x08, 0x24, 0x63, 0x53, 0x31, 0xB8,
+	0xBC, 0xA9, 0xB0, 0xB5, 0xA2, 0xC4, 0xC4,
+	0xB8, 0x00, 0x8B, 0x00, 0x8E, 0x00, 0xC2
+};
+
+static const unsigned int s6e63m0_22_200[] = {
+	0x18, 0x08, 0x24, 0x66, 0x55, 0x34, 0xBA,
+	0xBD, 0xAB, 0xB1, 0xB5, 0xA3, 0xC5, 0xC6,
+	0xB9, 0x00, 0x85, 0x00, 0x88, 0x00, 0xBA
+};
+
+static const unsigned int s6e63m0_22_170[] = {
+	0x18, 0x08, 0x24, 0x69, 0x54, 0x37, 0xBB,
+	0xBE, 0xAC, 0xB4, 0xB7, 0xA6, 0xC7, 0xC8,
+	0xBC, 0x00, 0x7B, 0x00, 0x7E, 0x00, 0xAB
+};
+
+static const unsigned int s6e63m0_22_140[] = {
+	0x18, 0x08, 0x24, 0x6C, 0x54, 0x3A, 0xBC,
+	0xBF, 0xAC, 0xB7, 0xBB, 0xA9, 0xC9, 0xC9,
+	0xBE, 0x00, 0x71, 0x00, 0x73, 0x00, 0x9E
+};
+
+static const unsigned int s6e63m0_22_110[] = {
+	0x18, 0x08, 0x24, 0x70, 0x51, 0x3E, 0xBF,
+	0xC1, 0xAF, 0xB9, 0xBC, 0xAB, 0xCC, 0xCC,
+	0xC2, 0x00, 0x65, 0x00, 0x67, 0x00, 0x8D
+};
+
+static const unsigned int s6e63m0_22_90[] = {
+	0x18, 0x08, 0x24, 0x73, 0x4A, 0x3D, 0xC0,
+	0xC2, 0xB1, 0xBB, 0xBE, 0xAC, 0xCE, 0xCF,
+	0xC5, 0x00, 0x5D, 0x00, 0x5E, 0x00, 0x82
+};
+
+static const unsigned int s6e63m0_22_30[] = {
+	0x18, 0x08, 0x24, 0x78, 0xEC, 0x3D, 0xC8,
+	0xC2, 0xB6, 0xC4, 0xC7, 0xB6, 0xD5, 0xD7,
+	0xCC, 0x00, 0x39, 0x00, 0x36, 0x00, 0x51
+};
+
+/* gamma value: 1.9 */
+static const unsigned int s6e63m0_19_300[] = {
+	0x18, 0x08, 0x24, 0x61, 0x5F, 0x39, 0xBA,
+	0xBD, 0xAD, 0xB1, 0xB6, 0xA5, 0xC4, 0xC5,
+	0xBC, 0x00, 0xA0, 0x00, 0xA4, 0x00, 0xDB
+};
+
+static const unsigned int s6e63m0_19_280[] = {
+	0x18, 0x08, 0x24, 0x61, 0x60, 0x39, 0xBB,
+	0xBE, 0xAD, 0xB2, 0xB6, 0xA6, 0xC5, 0xC7,
+	0xBD, 0x00, 0x9B, 0x00, 0x9E, 0x00, 0xD5
+};
+
+static const unsigned int s6e63m0_19_260[] = {
+	0x18, 0x08, 0x24, 0x63, 0x61, 0x3B, 0xBA,
+	0xBE, 0xAC, 0xB3, 0xB8, 0xA7, 0xC6, 0xC8,
+	0xBD, 0x00, 0x96, 0x00, 0x98, 0x00, 0xCF
+};
+
+static const unsigned int s6e63m0_19_240[] = {
+	0x18, 0x08, 0x24, 0x67, 0x64, 0x3F, 0xBB,
+	0xBE, 0xAD, 0xB3, 0xB9, 0xA7, 0xC8, 0xC9,
+	0xBE, 0x00, 0x90, 0x00, 0x92, 0x00, 0xC8
+};
+
+static const unsigned int s6e63m0_19_220[] = {
+	0x18, 0x08, 0x24, 0x68, 0x64, 0x40, 0xBC,
+	0xBF, 0xAF, 0xB4, 0xBA, 0xA9, 0xC8, 0xCA,
+	0xBE, 0x00, 0x8B, 0x00, 0x8C, 0x00, 0xC0
+};
+
+static const unsigned int s6e63m0_19_200[] = {
+	0x18, 0x08, 0x24, 0x68, 0x64, 0x3F, 0xBE,
+	0xC0, 0xB0, 0xB6, 0xBB, 0xAB, 0xC8, 0xCB,
+	0xBF, 0x00, 0x85, 0x00, 0x86, 0x00, 0xB8
+};
+
+static const unsigned int s6e63m0_19_170[] = {
+	0x18, 0x08, 0x24, 0x69, 0x64, 0x40, 0xBF,
+	0xC1, 0xB0, 0xB9, 0xBE, 0xAD, 0xCB, 0xCD,
+	0xC2, 0x00, 0x7A, 0x00, 0x7B, 0x00, 0xAA
+};
+
+static const unsigned int s6e63m0_19_140[] = {
+	0x18, 0x08, 0x24, 0x6E, 0x65, 0x45, 0xC0,
+	0xC3, 0xB2, 0xBA, 0xBE, 0xAE, 0xCD, 0xD0,
+	0xC4, 0x00, 0x70, 0x00, 0x70, 0x00, 0x9C
+};
+
+static const unsigned int s6e63m0_19_110[] = {
+	0x18, 0x08, 0x24, 0x6F, 0x65, 0x46, 0xC2,
+	0xC4, 0xB3, 0xBF, 0xC2, 0xB2, 0xCF, 0xD1,
+	0xC6, 0x00, 0x64, 0x00, 0x64, 0x00, 0x8D
+};
+
+static const unsigned int s6e63m0_19_90[] = {
+	0x18, 0x08, 0x24, 0x74, 0x60, 0x4A, 0xC3,
+	0xC6, 0xB5, 0xBF, 0xC3, 0xB2, 0xD2, 0xD3,
+	0xC8, 0x00, 0x5B, 0x00, 0x5B, 0x00, 0x81
+};
+
+static const unsigned int s6e63m0_19_30[] = {
+	0x18, 0x08, 0x24, 0x84, 0x45, 0x4F, 0xCA,
+	0xCB, 0xBC, 0xC9, 0xCB, 0xBC, 0xDA, 0xDA,
+	0xD0, 0x00, 0x35, 0x00, 0x34, 0x00, 0x4E
+};
+
+/* gamma value: 1.7 */
+static const unsigned int s6e63m0_17_300[] = {
+	0x18, 0x08, 0x24, 0x70, 0x70, 0x4F, 0xBF,
+	0xC2, 0xB2, 0xB8, 0xBC, 0xAC, 0xCB, 0xCD,
+	0xC3, 0x00, 0xA0, 0x00, 0xA4, 0x00, 0xDB
+};
+
+static const unsigned int s6e63m0_17_280[] = {
+	0x18, 0x08, 0x24, 0x71, 0x71, 0x50, 0xBF,
+	0xC2, 0xB2, 0xBA, 0xBE, 0xAE, 0xCB, 0xCD,
+	0xC3, 0x00, 0x9C, 0x00, 0x9F, 0x00, 0xD6
+};
+
+static const unsigned int s6e63m0_17_260[] = {
+	0x18, 0x08, 0x24, 0x72, 0x72, 0x50, 0xC0,
+	0xC3, 0xB4, 0xB9, 0xBE, 0xAE, 0xCC, 0xCF,
+	0xC4, 0x00, 0x97, 0x00, 0x9A, 0x00, 0xD1
+};
+
+static const unsigned int s6e63m0_17_240[] = {
+	0x18, 0x08, 0x24, 0x71, 0x72, 0x4F, 0xC2,
+	0xC4, 0xB5, 0xBB, 0xBF, 0xB0, 0xCC, 0xCF,
+	0xC3, 0x00, 0x91, 0x00, 0x95, 0x00, 0xCA
+};
+
+static const unsigned int s6e63m0_17_220[] = {
+	0x18, 0x08, 0x24, 0x71, 0x73, 0x4F, 0xC2,
+	0xC5, 0xB5, 0xBD, 0xC0, 0xB2, 0xCD, 0xD1,
+	0xC5, 0x00, 0x8B, 0x00, 0x8E, 0x00, 0xC2
+};
+
+static const unsigned int s6e63m0_17_200[] = {
+	0x18, 0x08, 0x24, 0x72, 0x75, 0x51, 0xC2,
+	0xC6, 0xB5, 0xBF, 0xC1, 0xB3, 0xCE, 0xD1,
+	0xC6, 0x00, 0x85, 0x00, 0x88, 0x00, 0xBA
+};
+
+static const unsigned int s6e63m0_17_170[] = {
+	0x18, 0x08, 0x24, 0x75, 0x77, 0x54, 0xC3,
+	0xC7, 0xB7, 0xC0, 0xC3, 0xB4, 0xD1, 0xD3,
+	0xC9, 0x00, 0x7B, 0x00, 0x7E, 0x00, 0xAB
+};
+
+static const unsigned int s6e63m0_17_140[] = {
+	0x18, 0x08, 0x24, 0x7B, 0x77, 0x58, 0xC3,
+	0xC8, 0xB8, 0xC2, 0xC6, 0xB6, 0xD3, 0xD4,
+	0xCA, 0x00, 0x71, 0x00, 0x73, 0x00, 0x9E
+};
+
+static const unsigned int s6e63m0_17_110[] = {
+	0x18, 0x08, 0x24, 0x81, 0x7B, 0x5D, 0xC6,
+	0xCA, 0xBB, 0xC3, 0xC7, 0xB8, 0xD6, 0xD8,
+	0xCD, 0x00, 0x65, 0x00, 0x67, 0x00, 0x8D
+};
+
+static const unsigned int s6e63m0_17_90[] = {
+	0x18, 0x08, 0x24, 0x82, 0x7A, 0x5B, 0xC8,
+	0xCB, 0xBD, 0xC5, 0xCA, 0xBA, 0xD6, 0xD8,
+	0xCE, 0x00, 0x5D, 0x00, 0x5E, 0x00, 0x82
+};
+
+static const unsigned int s6e63m0_17_30[] = {
+	0x18, 0x08, 0x24, 0x8F, 0x73, 0x63, 0xD1,
+	0xD0, 0xC5, 0xCC, 0xD1, 0xC2, 0xDE, 0xE0,
+	0xD6, 0x00, 0x39, 0x00, 0x36, 0x00, 0x51
+};
+
+struct s6e63m0_gamma {
+	unsigned int *gamma_22_table[MAX_GAMMA_LEVEL];
+	unsigned int *gamma_19_table[MAX_GAMMA_LEVEL];
+	unsigned int *gamma_17_table[MAX_GAMMA_LEVEL];
+};
+
+static struct s6e63m0_gamma gamma_table = {
+	.gamma_22_table[0] = (unsigned int *)&s6e63m0_22_30,
+	.gamma_22_table[1] = (unsigned int *)&s6e63m0_22_90,
+	.gamma_22_table[2] = (unsigned int *)&s6e63m0_22_110,
+	.gamma_22_table[3] = (unsigned int *)&s6e63m0_22_140,
+	.gamma_22_table[4] = (unsigned int *)&s6e63m0_22_170,
+	.gamma_22_table[5] = (unsigned int *)&s6e63m0_22_200,
+	.gamma_22_table[6] = (unsigned int *)&s6e63m0_22_220,
+	.gamma_22_table[7] = (unsigned int *)&s6e63m0_22_240,
+	.gamma_22_table[8] = (unsigned int *)&s6e63m0_22_260,
+	.gamma_22_table[9] = (unsigned int *)&s6e63m0_22_280,
+	.gamma_22_table[10] = (unsigned int *)&s6e63m0_22_300,
+
+	.gamma_19_table[0] = (unsigned int *)&s6e63m0_19_30,
+	.gamma_19_table[1] = (unsigned int *)&s6e63m0_19_90,
+	.gamma_19_table[2] = (unsigned int *)&s6e63m0_19_110,
+	.gamma_19_table[3] = (unsigned int *)&s6e63m0_19_140,
+	.gamma_19_table[4] = (unsigned int *)&s6e63m0_19_170,
+	.gamma_19_table[5] = (unsigned int *)&s6e63m0_19_200,
+	.gamma_19_table[6] = (unsigned int *)&s6e63m0_19_220,
+	.gamma_19_table[7] = (unsigned int *)&s6e63m0_19_240,
+	.gamma_19_table[8] = (unsigned int *)&s6e63m0_19_260,
+	.gamma_19_table[9] = (unsigned int *)&s6e63m0_19_280,
+	.gamma_19_table[10] = (unsigned int *)&s6e63m0_19_300,
+
+	.gamma_17_table[0] = (unsigned int *)&s6e63m0_17_30,
+	.gamma_17_table[1] = (unsigned int *)&s6e63m0_17_90,
+	.gamma_17_table[2] = (unsigned int *)&s6e63m0_17_110,
+	.gamma_17_table[3] = (unsigned int *)&s6e63m0_17_140,
+	.gamma_17_table[4] = (unsigned int *)&s6e63m0_17_170,
+	.gamma_17_table[5] = (unsigned int *)&s6e63m0_17_200,
+	.gamma_17_table[6] = (unsigned int *)&s6e63m0_17_220,
+	.gamma_17_table[7] = (unsigned int *)&s6e63m0_17_240,
+	.gamma_17_table[8] = (unsigned int *)&s6e63m0_17_260,
+	.gamma_17_table[9] = (unsigned int *)&s6e63m0_17_280,
+	.gamma_17_table[10] = (unsigned int *)&s6e63m0_17_300,
+};
+
+#endif
+
diff --git a/include/linux/lcd.h b/include/linux/lcd.h
index c67fecafff9..8877123f2d6 100644
--- a/include/linux/lcd.h
+++ b/include/linux/lcd.h
@@ -69,6 +69,29 @@ struct lcd_device {
 	struct device dev;
 };
 
+struct lcd_platform_data {
+	/* reset lcd panel device. */
+	int (*reset)(struct lcd_device *ld);
+	/* on or off to lcd panel. if 'enable' is 0 then
+	   lcd power off and 1, lcd power on. */
+	int (*power_on)(struct lcd_device *ld, int enable);
+
+	/* it indicates whether lcd panel was enabled
+	   from bootloader or not. */
+	int lcd_enabled;
+	/* it means delay for stable time when it becomes low to high
+	   or high to low that is dependent on whether reset gpio is
+	   low active or high active. */
+	unsigned int reset_delay;
+	/* stable time needing to become lcd power on. */
+	unsigned int power_on_delay;
+	/* stable time needing to become lcd power off. */
+	unsigned int power_off_delay;
+
+	/* it could be used for any purpose. */
+	void *pdata;
+};
+
 static inline void lcd_set_power(struct lcd_device *ld, int power)
 {
 	mutex_lock(&ld->update_lock);

From beb0a43f398efac87a3b9c2c6a5c5a163df50413 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 3 May 2010 14:42:44 +0800
Subject: [PATCH 3199/3638] backlight: l4f00242t03: fix error handling in
 l4f00242t03_probe

Error handling fixes:
1. In the case of kzalloc failure, simple return -ENOMEM instead of goto
   err. ( priv is NULL in this case )
2. In the case of gpio_request fail for reset_gpio and data_enable_gpio,
   properly release resources by goto err and err2 respectively.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/l4f00242t03.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index 1dafec85ddc..9093ef0fa86 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -125,8 +125,7 @@ static int __devinit l4f00242t03_probe(struct spi_device *spi)
 
 	if (priv == NULL) {
 		dev_err(&spi->dev, "No memory for this device.\n");
-		ret = -ENOMEM;
-		goto err;
+		return -ENOMEM;
 	}
 
 	dev_set_drvdata(&spi->dev, priv);
@@ -139,7 +138,7 @@ static int __devinit l4f00242t03_probe(struct spi_device *spi)
 	if (ret) {
 		dev_err(&spi->dev,
 			"Unable to get the lcd l4f00242t03 reset gpio.\n");
-		return ret;
+		goto err;
 	}
 
 	ret = gpio_direction_output(pdata->reset_gpio, 1);
@@ -151,7 +150,7 @@ static int __devinit l4f00242t03_probe(struct spi_device *spi)
 	if (ret) {
 		dev_err(&spi->dev,
 			"Unable to get the lcd l4f00242t03 data en gpio.\n");
-		return ret;
+		goto err2;
 	}
 
 	ret = gpio_direction_output(pdata->data_enable_gpio, 0);

From 146e10a8c457236e017355ed9ba0ef78fbb3d12b Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 10 May 2010 09:27:34 +0800
Subject: [PATCH 3200/3638] backlight: max8925_bl: Fix error handling path

Properly unregister a previously registered backlight device object in error
handling of max8925_backlight_probe.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/max8925_bl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c
index b5accc957ad..b2b2c7ba1f6 100644
--- a/drivers/video/backlight/max8925_bl.c
+++ b/drivers/video/backlight/max8925_bl.c
@@ -162,6 +162,7 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev)
 	backlight_update_status(bl);
 	return 0;
 out:
+	backlight_device_unregister(bl);
 	kfree(data);
 	return ret;
 }

From 1f976996c7413b5b48d35b195cc2d7adcd3f68d7 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 10 May 2010 09:29:58 +0800
Subject: [PATCH 3201/3638] backlight: 88pm860x_bl: fix error handling in
 pm860x_backlight_probe

This patch  properly unregisters a previously registered backlight device object
in error handling

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/88pm860x_bl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index 78d8fde9fe8..38ffc3fbcbe 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -267,6 +267,7 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
 	backlight_update_status(bl);
 	return 0;
 out:
+	backlight_device_unregister(bl);
 	kfree(data);
 	return ret;
 }

From 2ddfd12f3584840f5190897214423061d8a0602f Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 12 May 2010 02:44:32 +0200
Subject: [PATCH 3202/3638] backlight: Add pcf50633 backlight driver

This patch adds a backlight driver for controlling the pcf50633 LED module.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/Kconfig              |   7 +
 drivers/video/backlight/Makefile             |   1 +
 drivers/video/backlight/pcf50633-backlight.c | 190 +++++++++++++++++++
 include/linux/mfd/pcf50633/backlight.h       |  51 +++++
 4 files changed, 249 insertions(+)
 create mode 100644 drivers/video/backlight/pcf50633-backlight.c
 create mode 100644 include/linux/mfd/pcf50633/backlight.h

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index cbd80978460..e54a337227e 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -300,6 +300,13 @@ config BACKLIGHT_88PM860X
 	help
 	  Say Y to enable the backlight driver for Marvell 88PM8606.
 
+config BACKLIGHT_PCF50633
+	tristate "Backlight driver for NXP PCF50633 MFD"
+	depends on BACKLIGHT_CLASS_DEVICE && MFD_PCF50633
+	help
+	  If you have a backlight driven by a NXP PCF50633 MFD, say Y here to
+	  enable its driver.
+
 endif # BACKLIGHT_CLASS_DEVICE
 
 endif # BACKLIGHT_LCD_SUPPORT
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index f8978c0a231..44c0f81ad85 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -34,4 +34,5 @@ obj-$(CONFIG_BACKLIGHT_ADX)    += adx_bl.o
 obj-$(CONFIG_BACKLIGHT_ADP5520)	+= adp5520_bl.o
 obj-$(CONFIG_BACKLIGHT_ADP8860)	+= adp8860_bl.o
 obj-$(CONFIG_BACKLIGHT_88PM860X) += 88pm860x_bl.o
+obj-$(CONFIG_BACKLIGHT_PCF50633)	+= pcf50633-backlight.o
 
diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c
new file mode 100644
index 00000000000..3c424f7efdc
--- /dev/null
+++ b/drivers/video/backlight/pcf50633-backlight.c
@@ -0,0 +1,190 @@
+/*
+ *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
+ *      PCF50633 backlight device driver
+ *
+ *  This program is free software; you can redistribute	 it and/or modify it
+ *  under  the terms of	 the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the	License, or (at your
+ *  option) any later version.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+
+#include <linux/backlight.h>
+#include <linux/fb.h>
+
+#include <linux/mfd/pcf50633/core.h>
+#include <linux/mfd/pcf50633/backlight.h>
+
+struct pcf50633_bl {
+	struct pcf50633 *pcf;
+	struct backlight_device *bl;
+
+	unsigned int brightness;
+	unsigned int brightness_limit;
+};
+
+/*
+ * pcf50633_bl_set_brightness_limit
+ *
+ * Update the brightness limit for the pc50633 backlight. The actual brightness
+ * will not go above the limit. This is useful to limit power drain for example
+ * on low battery.
+ *
+ * @dev: Pointer to a pcf50633 device
+ * @limit: The brightness limit. Valid values are 0-63
+ */
+int pcf50633_bl_set_brightness_limit(struct pcf50633 *pcf, unsigned int limit)
+{
+	struct pcf50633_bl *pcf_bl = platform_get_drvdata(pcf->bl_pdev);
+
+	if (!pcf_bl)
+		return -ENODEV;
+
+	pcf_bl->brightness_limit = limit & 0x3f;
+	backlight_update_status(pcf_bl->bl);
+
+    return 0;
+}
+
+static int pcf50633_bl_update_status(struct backlight_device *bl)
+{
+	struct pcf50633_bl *pcf_bl = bl_get_data(bl);
+	unsigned int new_brightness;
+
+
+	if (bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK) ||
+		bl->props.power != FB_BLANK_UNBLANK)
+		new_brightness = 0;
+	else if (bl->props.brightness < pcf_bl->brightness_limit)
+		new_brightness = bl->props.brightness;
+	else
+		new_brightness = pcf_bl->brightness_limit;
+
+
+	if (pcf_bl->brightness == new_brightness)
+		return 0;
+
+	if (new_brightness) {
+		pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDOUT,
+					new_brightness);
+		if (!pcf_bl->brightness)
+			pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDENA, 1);
+	} else {
+		pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDENA, 0);
+	}
+
+	pcf_bl->brightness = new_brightness;
+
+	return 0;
+}
+
+static int pcf50633_bl_get_brightness(struct backlight_device *bl)
+{
+	struct pcf50633_bl *pcf_bl = bl_get_data(bl);
+	return pcf_bl->brightness;
+}
+
+static const struct backlight_ops pcf50633_bl_ops = {
+	.get_brightness = pcf50633_bl_get_brightness,
+	.update_status	= pcf50633_bl_update_status,
+	.options	= BL_CORE_SUSPENDRESUME,
+};
+
+static int __devinit pcf50633_bl_probe(struct platform_device *pdev)
+{
+	int ret;
+	struct pcf50633_bl *pcf_bl;
+	struct device *parent = pdev->dev.parent;
+	struct pcf50633_platform_data *pcf50633_data = parent->platform_data;
+	struct pcf50633_bl_platform_data *pdata = pcf50633_data->backlight_data;
+	struct backlight_properties bl_props;
+
+	pcf_bl = kzalloc(sizeof(*pcf_bl), GFP_KERNEL);
+	if (!pcf_bl)
+		return -ENOMEM;
+
+	bl_props.max_brightness = 0x3f;
+	bl_props.power = FB_BLANK_UNBLANK;
+
+	if (pdata) {
+		bl_props.brightness = pdata->default_brightness;
+		pcf_bl->brightness_limit = pdata->default_brightness_limit;
+	} else {
+		bl_props.brightness = 0x3f;
+		pcf_bl->brightness_limit = 0x3f;
+	}
+
+	pcf_bl->pcf = dev_to_pcf50633(pdev->dev.parent);
+
+	pcf_bl->bl = backlight_device_register(pdev->name, &pdev->dev, pcf_bl,
+						&pcf50633_bl_ops, &bl_props);
+
+	if (IS_ERR(pcf_bl->bl)) {
+		ret = PTR_ERR(pcf_bl->bl);
+		goto err_free;
+	}
+
+	platform_set_drvdata(pdev, pcf_bl);
+
+	pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDDIM, pdata->ramp_time);
+
+	/* Should be different from bl_props.brightness, so we do not exit
+	 * update_status early the first time it's called */
+	pcf_bl->brightness = pcf_bl->bl->props.brightness + 1;
+
+	backlight_update_status(pcf_bl->bl);
+
+	return 0;
+
+err_free:
+	kfree(pcf_bl);
+
+	return ret;
+}
+
+static int __devexit pcf50633_bl_remove(struct platform_device *pdev)
+{
+	struct pcf50633_bl *pcf_bl = platform_get_drvdata(pdev);
+
+	backlight_device_unregister(pcf_bl->bl);
+
+	platform_set_drvdata(pdev, NULL);
+
+	kfree(pcf_bl);
+
+	return 0;
+}
+
+static struct platform_driver pcf50633_bl_driver = {
+	.probe =	pcf50633_bl_probe,
+	.remove =	__devexit_p(pcf50633_bl_remove),
+	.driver = {
+		.name = "pcf50633-backlight",
+	},
+};
+
+static int __init pcf50633_bl_init(void)
+{
+	return platform_driver_register(&pcf50633_bl_driver);
+}
+module_init(pcf50633_bl_init);
+
+static void __exit pcf50633_bl_exit(void)
+{
+	platform_driver_unregister(&pcf50633_bl_driver);
+}
+module_exit(pcf50633_bl_exit);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("PCF50633 backlight driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcf50633-backlight");
diff --git a/include/linux/mfd/pcf50633/backlight.h b/include/linux/mfd/pcf50633/backlight.h
new file mode 100644
index 00000000000..83747e217b2
--- /dev/null
+++ b/include/linux/mfd/pcf50633/backlight.h
@@ -0,0 +1,51 @@
+/*
+ *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
+ *      PCF50633 backlight device driver
+ *
+ *  This program is free software; you can redistribute	 it and/or modify it
+ *  under  the terms of	 the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the	License, or (at your
+ *  option) any later version.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __LINUX_MFD_PCF50633_BACKLIGHT
+#define __LINUX_MFD_PCF50633_BACKLIGHT
+
+/*
+* @default_brightness: Backlight brightness is initialized to this value
+*
+* Brightness to be used after the driver has been probed.
+* Valid range 0-63.
+*
+* @default_brightness_limit: The actual brightness is limited by this value
+*
+* Brightness limit to be used after the driver has been probed. This is useful
+* when it is not known how much power is available for the backlight during
+* probe.
+* Valid range 0-63. Can be changed later with pcf50633_bl_set_brightness_limit.
+*
+* @ramp_time: Display ramp time when changing brightness
+*
+* When changing the backlights brightness the change is not instant, instead
+* it fades smooth from one state to another. This value specifies how long
+* the fade should take. The lower the value the higher the fade time.
+* Valid range 0-255
+*/
+struct pcf50633_bl_platform_data {
+	unsigned int	default_brightness;
+	unsigned int	default_brightness_limit;
+	uint8_t		ramp_time;
+};
+
+
+struct pcf50633;
+
+int pcf50633_bl_set_brightness_limit(struct pcf50633 *pcf, unsigned int limit);
+
+#endif
+

From f5bf403a9dc944bf560f49dd029195e54fcbc41c Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 12 May 2010 02:44:33 +0200
Subject: [PATCH 3203/3638] backlight: pcf50633: Register a pcf50633-backlight
 device in pcf50633 core driver.

Register a device newly added pcf50633-backlight driver as a child device in
the pcf50633 core driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/mfd/pcf50633-core.c       | 3 +++
 include/linux/mfd/pcf50633/core.h | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 63a614d696c..dc95ddb708f 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -620,6 +620,9 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
 						&pcf->mbc_pdev);
 	pcf50633_client_dev_register(pcf, "pcf50633-adc",
 						&pcf->adc_pdev);
+	pcf50633_client_dev_register(pcf, "pcf50633-backlight",
+						&pcf->bl_pdev);
+
 
 	for (i = 0; i < PCF50633_NUM_REGULATORS; i++) {
 		struct platform_device *pdev;
diff --git a/include/linux/mfd/pcf50633/core.h b/include/linux/mfd/pcf50633/core.h
index 3398bd9aab1..ad411a78870 100644
--- a/include/linux/mfd/pcf50633/core.h
+++ b/include/linux/mfd/pcf50633/core.h
@@ -18,6 +18,7 @@
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
 #include <linux/power_supply.h>
+#include <linux/mfd/pcf50633/backlight.h>
 
 struct pcf50633;
 
@@ -43,6 +44,8 @@ struct pcf50633_platform_data {
 	void (*force_shutdown)(struct pcf50633 *);
 
 	u8 resumers[5];
+
+	struct pcf50633_bl_platform_data *backlight_data;
 };
 
 struct pcf50633_irq {
@@ -152,6 +155,7 @@ struct pcf50633 {
 	struct platform_device *mbc_pdev;
 	struct platform_device *adc_pdev;
 	struct platform_device *input_pdev;
+	struct platform_device *bl_pdev;
 	struct platform_device *regulator_pdev[PCF50633_NUM_REGULATORS];
 };
 

From 67e67df8da723debf24f7763605776891203e8d5 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 12 May 2010 02:44:34 +0200
Subject: [PATCH 3204/3638] gta02: Use pcf50633 backlight driver instead of
 platform backlight driver.

Use the pcf50633 backlight driver instead of the platform backlight driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 arch/arm/mach-s3c2440/mach-gta02.c | 76 ++++--------------------------
 1 file changed, 9 insertions(+), 67 deletions(-)

diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index 45799c608d8..9e39faa283b 100644
--- a/arch/arm/mach-s3c2440/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -49,7 +49,6 @@
 #include <linux/io.h>
 
 #include <linux/i2c.h>
-#include <linux/backlight.h>
 #include <linux/regulator/machine.h>
 
 #include <linux/mfd/pcf50633/core.h>
@@ -57,6 +56,7 @@
 #include <linux/mfd/pcf50633/adc.h>
 #include <linux/mfd/pcf50633/gpio.h>
 #include <linux/mfd/pcf50633/pmic.h>
+#include <linux/mfd/pcf50633/backlight.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -254,6 +254,12 @@ static char *gta02_batteries[] = {
 	"battery",
 };
 
+static struct pcf50633_bl_platform_data gta02_backlight_data = {
+	.default_brightness = 0x3f,
+	.default_brightness_limit = 0,
+	.ramp_time = 5,
+};
+
 struct pcf50633_platform_data gta02_pcf_pdata = {
 	.resumers = {
 		[0] =	PCF50633_INT1_USBINS |
@@ -271,6 +277,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = {
 
 	.charger_reference_current_ma = 1000,
 
+	.backlight_data = &gta02_backlight_data,
+
 	.reg_init_data = {
 		[PCF50633_REGULATOR_AUTO] = {
 			.constraints = {
@@ -478,71 +486,6 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = {
 
 };
 
-
-
-static void gta02_bl_set_intensity(int intensity)
-{
-	struct pcf50633 *pcf = gta02_pcf;
-	int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
-
-	/* We map 8-bit intensity to 6-bit intensity in hardware. */
-	intensity >>= 2;
-
-	/*
-	 * This can happen during, eg, print of panic on blanked console,
-	 * but we can't service i2c without interrupts active, so abort.
-	 */
-	if (in_atomic()) {
-		printk(KERN_ERR "gta02_bl_set_intensity called while atomic\n");
-		return;
-	}
-
-	old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
-	if (intensity == old_intensity)
-		return;
-
-	/* We can't do this anywhere else. */
-	pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
-
-	if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
-		old_intensity = 0;
-
-	/*
-	 * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
-	 * if seen, you have to re-enable the LED unit.
-	 */
-	if (!intensity || !old_intensity)
-		pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
-
-	/* Illegal to set LEDOUT to 0. */
-	if (!intensity)
-		pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, 2);
-	else
-		pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
-					  intensity);
-
-	if (intensity)
-		pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
-
-}
-
-static struct generic_bl_info gta02_bl_info = {
-	.name			= "gta02-bl",
-	.max_intensity		= 0xff,
-	.default_intensity	= 0xff,
-	.set_bl_intensity	= gta02_bl_set_intensity,
-};
-
-static struct platform_device gta02_bl_dev = {
-	.name			= "generic-bl",
-	.id			= 1,
-	.dev = {
-		.platform_data = &gta02_bl_info,
-	},
-};
-
-
-
 /* USB */
 static struct s3c2410_hcd_info gta02_usb_info __initdata = {
 	.port[0]	= {
@@ -579,7 +522,6 @@ static struct platform_device *gta02_devices[] __initdata = {
 /* These guys DO need to be children of PMU. */
 
 static struct platform_device *gta02_devices_pmu_children[] = {
-	&gta02_bl_dev,
 };
 
 

From 91803b499cca2fe558abad709ce83dc896b80950 Mon Sep 17 00:00:00 2001
From: Jeff Moyer <jmoyer@redhat.com>
Date: Wed, 26 May 2010 11:49:40 -0400
Subject: [PATCH 3205/3638] do_generic_file_read: clear page errors when
 issuing a fresh read of the page

I/O errors can happen due to temporary failures, like multipath
errors or losing network contact with the iSCSI server. Because
of that, the VM will retry readpage on the page.

However, do_generic_file_read does not clear PG_error.  This
causes the system to be unable to actually use the data in the
page cache page, even if the subsequent readpage completes
successfully!

The function filemap_fault has had a ClearPageError before
readpage forever.  This patch simply adds the same to
do_generic_file_read.

Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Acked-by: Larry Woodman <lwoodman@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/filemap.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mm/filemap.c b/mm/filemap.c
index 88d719665a2..35e12d18656 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1105,6 +1105,12 @@ page_not_up_to_date_locked:
 		}
 
 readpage:
+		/*
+		 * A previous I/O error may have been due to temporary
+		 * failures, eg. multipath errors.
+		 * PG_error will be set again if readpage fails.
+		 */
+		ClearPageError(page);
 		/* Start the actual read. The read will unlock the page. */
 		error = mapping->a_ops->readpage(filp, page);
 

From b417b717093085e45867770b29b9a97692cf132a Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 23 May 2010 10:44:30 +0200
Subject: [PATCH 3206/3638] m68k: Enable atomic64_t

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/Kconfig              | 1 +
 arch/m68k/include/asm/atomic.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index b5da298ba61..2e3737b92ff 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -7,6 +7,7 @@ config M68K
 	default y
 	select HAVE_AOUT
 	select HAVE_IDE
+	select GENERIC_ATOMIC64
 
 config MMU
 	bool
diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index 8d29145ebb2..eab36dcacf6 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -3,3 +3,5 @@
 #else
 #include "atomic_mm.h"
 #endif
+
+#include <asm-generic/atomic64.h>

From dd6c26a66bdc629a500174ffe73b010b070b9f1b Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Sun, 23 May 2010 19:38:14 +0200
Subject: [PATCH 3207/3638] m68k: set ARCH_KMALLOC_MINALIGN

Architectures that handle DMA-non-coherent memory need to set
ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: the
buffer doesn't share a cache with the others.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/include/asm/cache.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h
index fed3fd30de7..ecafbe1718c 100644
--- a/arch/m68k/include/asm/cache.h
+++ b/arch/m68k/include/asm/cache.h
@@ -8,4 +8,6 @@
 #define        L1_CACHE_SHIFT  4
 #define        L1_CACHE_BYTES  (1<< L1_CACHE_SHIFT)
 
+#define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
+
 #endif

From 6869b15efccce954a28d14c84b25350d125e2f93 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 May 2009 12:17:28 +0200
Subject: [PATCH 3208/3638] m68k/scsi: gvp11 - Kill ugly DMA() macro

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/gvp11.c | 52 ++++++++++++++++++++++++--------------------
 1 file changed, 28 insertions(+), 24 deletions(-)

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 18b7102bb80..777972e6bbf 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -22,15 +22,13 @@
 #include <linux/stat.h>
 
 
-#define DMA(ptr)	((gvp11_scsiregs *)((ptr)->base))
-
-static irqreturn_t gvp11_intr(int irq, void *_instance)
+static irqreturn_t gvp11_intr(int irq, void *data)
 {
+	struct Scsi_Host *instance = data;
+	gvp11_scsiregs *regs = (gvp11_scsiregs *)(instance->base);
+	unsigned int status = regs->CNTR;
 	unsigned long flags;
-	unsigned int status;
-	struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
 
-	status = DMA(instance)->CNTR;
 	if (!(status & GVP11_DMAC_INT_PENDING))
 		return IRQ_NONE;
 
@@ -51,6 +49,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct Scsi_Host *instance = cmd->device->host;
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
+	gvp11_scsiregs *regs = (gvp11_scsiregs *)(instance->base);
 	unsigned short cntr = GVP11_DMAC_INT_ENABLE;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 	int bank_mask;
@@ -117,10 +116,10 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		cntr |= GVP11_DMAC_DIR_WRITE;
 
 	hdata->dma_dir = dir_in;
-	DMA(cmd->device->host)->CNTR = cntr;
+	regs->CNTR = cntr;
 
 	/* setup DMA *physical* address */
-	DMA(cmd->device->host)->ACR = addr;
+	regs->ACR = addr;
 
 	if (dir_in) {
 		/* invalidate any cache */
@@ -132,10 +131,10 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 
 	bank_mask = (~hdata->dma_xfer_mask >> 18) & 0x01c0;
 	if (bank_mask)
-		DMA(cmd->device->host)->BANK = bank_mask & (addr >> 18);
+		regs->BANK = bank_mask & (addr >> 18);
 
 	/* start DMA */
-	DMA(cmd->device->host)->ST_DMA = 1;
+	regs->ST_DMA = 1;
 
 	/* return success */
 	return 0;
@@ -144,12 +143,13 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
+	gvp11_scsiregs *regs = (gvp11_scsiregs *)(instance->base);
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
 
 	/* stop DMA */
-	DMA(instance)->SP_DMA = 1;
+	regs->SP_DMA = 1;
 	/* remove write bit from CONTROL bits */
-	DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
+	regs->CNTR = GVP11_DMAC_INT_ENABLE;
 
 	/* copy from a bounce buffer, if necessary */
 	if (status && hdata->dma_bounce_buffer) {
@@ -178,7 +178,8 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 	struct zorro_dev *z = NULL;
 	unsigned int default_dma_xfer_mask;
 	struct WD33C93_hostdata *hdata;
-	wd33c93_regs regs;
+	gvp11_scsiregs *regs;
+	wd33c93_regs wdregs;
 	int num_gvp11 = 0;
 #ifdef CHECK_WD33C93
 	volatile unsigned char *sasr_3393, *scmd_3393;
@@ -310,33 +311,34 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 		else
 			hdata->dma_xfer_mask = default_dma_xfer_mask;
 
-		DMA(instance)->secret2 = 1;
-		DMA(instance)->secret1 = 0;
-		DMA(instance)->secret3 = 15;
-		while (DMA(instance)->CNTR & GVP11_DMAC_BUSY)
+		regs = (gvp11_scsiregs *)(instance->base);
+		regs->secret2 = 1;
+		regs->secret1 = 0;
+		regs->secret3 = 15;
+		while (regs->CNTR & GVP11_DMAC_BUSY)
 			;
-		DMA(instance)->CNTR = 0;
+		regs->CNTR = 0;
 
-		DMA(instance)->BANK = 0;
+		regs->BANK = 0;
 
 		epc = *(unsigned short *)(ZTWO_VADDR(address) + 0x8000);
 
 		/*
 		 * Check for 14MHz SCSI clock
 		 */
-		regs.SASR = &(DMA(instance)->SASR);
-		regs.SCMD = &(DMA(instance)->SCMD);
+		wdregs.SASR = &regs->SASR;
+		wdregs.SCMD = &regs->SCMD;
 		hdata->no_sync = 0xff;
 		hdata->fast = 0;
 		hdata->dma_mode = CTRL_DMA;
-		wd33c93_init(instance, regs, dma_setup, dma_stop,
+		wd33c93_init(instance, wdregs, dma_setup, dma_stop,
 			     (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
 						     : WD33C93_FS_12_15);
 
 		if (request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED,
 				"GVP11 SCSI", instance))
 			goto unregister;
-		DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
+		regs->CNTR = GVP11_DMAC_INT_ENABLE;
 		num_gvp11++;
 		continue;
 
@@ -391,7 +393,9 @@ static struct scsi_host_template driver_template = {
 int gvp11_release(struct Scsi_Host *instance)
 {
 #ifdef MODULE
-	DMA(instance)->CNTR = 0;
+	gvp11_scsiregs *regs = (gvp11_scsiregs *)(instance->base);
+
+	regs->CNTR = 0;
 	release_mem_region(ZTWO_PADDR(instance->base), 256);
 	free_irq(IRQ_AMIGA_PORTS, instance);
 #endif

From d753722ee0223f80e6d0a553c68583c6ae57c1b2 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 May 2009 12:17:23 +0200
Subject: [PATCH 3209/3638] m68k/scsi: a3000 - Kill ugly DMA() macro

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/a3000.c | 44 +++++++++++++++++++++++++-------------------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index bc6eb69f5fd..ae9b25a3e3e 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -22,16 +22,15 @@
 #include <linux/stat.h>
 
 
-#define DMA(ptr)	((a3000_scsiregs *)((ptr)->base))
-
 static struct Scsi_Host *a3000_host = NULL;
 
 static int a3000_release(struct Scsi_Host *instance);
 
 static irqreturn_t a3000_intr(int irq, void *dummy)
 {
+	a3000_scsiregs *regs = (a3000_scsiregs *)(a3000_host->base);
+	unsigned int status = regs->ISTR;
 	unsigned long flags;
-	unsigned int status = DMA(a3000_host)->ISTR;
 
 	if (!(status & ISTR_INT_P))
 		return IRQ_NONE;
@@ -48,6 +47,7 @@ static irqreturn_t a3000_intr(int irq, void *dummy)
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct WD33C93_hostdata *hdata = shost_priv(a3000_host);
+	a3000_scsiregs *regs = (a3000_scsiregs *)(a3000_host->base);
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -84,10 +84,10 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 	/* remember direction */
 	hdata->dma_dir = dir_in;
 
-	DMA(a3000_host)->CNTR = cntr;
+	regs->CNTR = cntr;
 
 	/* setup DMA *physical* address */
-	DMA(a3000_host)->ACR = addr;
+	regs->ACR = addr;
 
 	if (dir_in) {
 		/* invalidate any cache */
@@ -99,7 +99,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 
 	/* start DMA */
 	mb();			/* make sure setup is completed */
-	DMA(a3000_host)->ST_DMA = 1;
+	regs->ST_DMA = 1;
 	mb();			/* make sure DMA has started before next IO */
 
 	/* return success */
@@ -110,6 +110,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
+	a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
 
 	/* disable SCSI interrupts */
 	unsigned short cntr = CNTR_PDMD;
@@ -117,14 +118,14 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	if (!hdata->dma_dir)
 		cntr |= CNTR_DDIR;
 
-	DMA(instance)->CNTR = cntr;
+	regs->CNTR = cntr;
 	mb();			/* make sure CNTR is updated before next IO */
 
 	/* flush if we were reading */
 	if (hdata->dma_dir) {
-		DMA(instance)->FLUSH = 1;
+		regs->FLUSH = 1;
 		mb();		/* don't allow prefetch */
-		while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
+		while (!(regs->ISTR & ISTR_FE_FLG))
 			barrier();
 		mb();		/* no IO until FLUSH is done */
 	}
@@ -133,14 +134,14 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	/* I think that this CINT is only necessary if you are
 	 * using the terminal count features.   HM 7 Mar 1994
 	 */
-	DMA(instance)->CINT = 1;
+	regs->CINT = 1;
 
 	/* stop DMA */
-	DMA(instance)->SP_DMA = 1;
+	regs->SP_DMA = 1;
 	mb();			/* make sure DMA is stopped before next IO */
 
 	/* restore the CONTROL bits (minus the direction flag) */
-	DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+	regs->CNTR = CNTR_PDMD | CNTR_INTEN;
 	mb();			/* make sure CNTR is updated before next IO */
 
 	/* copy from a bounce buffer, if necessary */
@@ -163,7 +164,8 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 
 static int __init a3000_detect(struct scsi_host_template *tpnt)
 {
-	wd33c93_regs regs;
+	wd33c93_regs wdregs;
+	a3000_scsiregs *regs;
 	struct WD33C93_hostdata *hdata;
 
 	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
@@ -180,18 +182,20 @@ static int __init a3000_detect(struct scsi_host_template *tpnt)
 
 	a3000_host->base = ZTWO_VADDR(0xDD0000);
 	a3000_host->irq = IRQ_AMIGA_PORTS;
-	DMA(a3000_host)->DAWR = DAWR_A3000;
-	regs.SASR = &(DMA(a3000_host)->SASR);
-	regs.SCMD = &(DMA(a3000_host)->SCMD);
+	regs = (a3000_scsiregs *)(a3000_host->base);
+	regs->DAWR = DAWR_A3000;
+	wdregs.SASR = &regs->SASR;
+	wdregs.SCMD = &regs->SCMD;
 	hdata = shost_priv(a3000_host);
 	hdata->no_sync = 0xff;
 	hdata->fast = 0;
 	hdata->dma_mode = CTRL_DMA;
-	wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
+	wd33c93_init(a3000_host, wdregs, dma_setup, dma_stop,
+		     WD33C93_FS_12_15);
 	if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
 			a3000_intr))
 		goto fail_irq;
-	DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
+	regs->CNTR = CNTR_PDMD | CNTR_INTEN;
 
 	return 1;
 
@@ -239,7 +243,9 @@ static struct scsi_host_template driver_template = {
 
 static int a3000_release(struct Scsi_Host *instance)
 {
-	DMA(instance)->CNTR = 0;
+	a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
+
+	regs->CNTR = 0;
 	release_mem_region(0xDD0000, 256);
 	free_irq(IRQ_AMIGA_PORTS, a3000_intr);
 	return 1;

From 4616ac7e84c58660a11b991460cf2611552faa76 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 May 2009 13:35:13 +0200
Subject: [PATCH 3210/3638] m68k/scsi: mvme147 - Kill static global
 mvme147_host

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/mvme147.c | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index 716d1785cda..1b6195b4717 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -16,12 +16,12 @@
 #include <linux/stat.h>
 
 
-static struct Scsi_Host *mvme147_host = NULL;
-
-static irqreturn_t mvme147_intr(int irq, void *dummy)
+static irqreturn_t mvme147_intr(int irq, void *data)
 {
+	struct Scsi_Host *instance = data;
+
 	if (irq == MVME147_IRQ_SCSI_PORT)
-		wd33c93_intr(mvme147_host);
+		wd33c93_intr(instance);
 	else
 		m147_pcc->dma_intr = 0x89;	/* Ack and enable ints */
 	return IRQ_HANDLED;
@@ -29,7 +29,8 @@ static irqreturn_t mvme147_intr(int irq, void *dummy)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
-	struct WD33C93_hostdata *hdata = shost_priv(mvme147_host);
+	struct Scsi_Host *instance = cmd->device->host;
+	struct WD33C93_hostdata *hdata = shost_priv(instance);
 	unsigned char flags = 0x01;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -66,6 +67,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 int mvme147_detect(struct scsi_host_template *tpnt)
 {
 	static unsigned char called = 0;
+	struct Scsi_Host *instance;
 	wd33c93_regs regs;
 	struct WD33C93_hostdata *hdata;
 
@@ -76,25 +78,25 @@ int mvme147_detect(struct scsi_host_template *tpnt)
 	tpnt->proc_name = "MVME147";
 	tpnt->proc_info = &wd33c93_proc_info;
 
-	mvme147_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
-	if (!mvme147_host)
+	instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+	if (!instance)
 		goto err_out;
 
-	mvme147_host->base = 0xfffe4000;
-	mvme147_host->irq = MVME147_IRQ_SCSI_PORT;
+	instance->base = 0xfffe4000;
+	instance->irq = MVME147_IRQ_SCSI_PORT;
 	regs.SASR = (volatile unsigned char *)0xfffe4000;
 	regs.SCMD = (volatile unsigned char *)0xfffe4001;
-	hdata = shost_priv(mvme147_host);
+	hdata = shost_priv(instance);
 	hdata->no_sync = 0xff;
 	hdata->fast = 0;
 	hdata->dma_mode = CTRL_DMA;
-	wd33c93_init(mvme147_host, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
+	wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
 
 	if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0,
-			"MVME147 SCSI PORT", mvme147_intr))
+			"MVME147 SCSI PORT", instance))
 		goto err_unregister;
 	if (request_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr, 0,
-			"MVME147 SCSI DMA", mvme147_intr))
+			"MVME147 SCSI DMA", instance))
 		goto err_free_irq;
 #if 0	/* Disabled; causes problems booting */
 	m147_pcc->scsi_interrupt = 0x10;	/* Assert SCSI bus reset */
@@ -113,7 +115,7 @@ int mvme147_detect(struct scsi_host_template *tpnt)
 err_free_irq:
 	free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
 err_unregister:
-	scsi_unregister(mvme147_host);
+	scsi_unregister(instance);
 err_out:
 	return 0;
 }

From a8169e6057e9b7dd41c9e3b7a41efebc4bd859c9 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 May 2009 13:35:07 +0200
Subject: [PATCH 3211/3638] m68k/scsi: a3000 - Kill static global a3000_host

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/a3000.c | 38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index ae9b25a3e3e..eabc41b65da 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -22,22 +22,21 @@
 #include <linux/stat.h>
 
 
-static struct Scsi_Host *a3000_host = NULL;
-
 static int a3000_release(struct Scsi_Host *instance);
 
-static irqreturn_t a3000_intr(int irq, void *dummy)
+static irqreturn_t a3000_intr(int irq, void *data)
 {
-	a3000_scsiregs *regs = (a3000_scsiregs *)(a3000_host->base);
+	struct Scsi_Host *instance = data;
+	a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
 	unsigned int status = regs->ISTR;
 	unsigned long flags;
 
 	if (!(status & ISTR_INT_P))
 		return IRQ_NONE;
 	if (status & ISTR_INTS) {
-		spin_lock_irqsave(a3000_host->host_lock, flags);
-		wd33c93_intr(a3000_host);
-		spin_unlock_irqrestore(a3000_host->host_lock, flags);
+		spin_lock_irqsave(instance->host_lock, flags);
+		wd33c93_intr(instance);
+		spin_unlock_irqrestore(instance->host_lock, flags);
 		return IRQ_HANDLED;
 	}
 	printk("Non-serviced A3000 SCSI-interrupt? ISTR = %02x\n", status);
@@ -46,8 +45,9 @@ static irqreturn_t a3000_intr(int irq, void *dummy)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
-	struct WD33C93_hostdata *hdata = shost_priv(a3000_host);
-	a3000_scsiregs *regs = (a3000_scsiregs *)(a3000_host->base);
+	struct Scsi_Host *instance = cmd->device->host;
+	struct WD33C93_hostdata *hdata = shost_priv(instance);
+	a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -164,6 +164,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 
 static int __init a3000_detect(struct scsi_host_template *tpnt)
 {
+	struct Scsi_Host *instance;
 	wd33c93_regs wdregs;
 	a3000_scsiregs *regs;
 	struct WD33C93_hostdata *hdata;
@@ -176,31 +177,30 @@ static int __init a3000_detect(struct scsi_host_template *tpnt)
 	tpnt->proc_name = "A3000";
 	tpnt->proc_info = &wd33c93_proc_info;
 
-	a3000_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
-	if (a3000_host == NULL)
+	instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+	if (instance == NULL)
 		goto fail_register;
 
-	a3000_host->base = ZTWO_VADDR(0xDD0000);
-	a3000_host->irq = IRQ_AMIGA_PORTS;
-	regs = (a3000_scsiregs *)(a3000_host->base);
+	instance->base = ZTWO_VADDR(0xDD0000);
+	instance->irq = IRQ_AMIGA_PORTS;
+	regs = (a3000_scsiregs *)(instance->base);
 	regs->DAWR = DAWR_A3000;
 	wdregs.SASR = &regs->SASR;
 	wdregs.SCMD = &regs->SCMD;
-	hdata = shost_priv(a3000_host);
+	hdata = shost_priv(instance);
 	hdata->no_sync = 0xff;
 	hdata->fast = 0;
 	hdata->dma_mode = CTRL_DMA;
-	wd33c93_init(a3000_host, wdregs, dma_setup, dma_stop,
-		     WD33C93_FS_12_15);
+	wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_12_15);
 	if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
-			a3000_intr))
+			instance))
 		goto fail_irq;
 	regs->CNTR = CNTR_PDMD | CNTR_INTEN;
 
 	return 1;
 
 fail_irq:
-	scsi_unregister(a3000_host);
+	scsi_unregister(instance);
 fail_register:
 	release_mem_region(0xDD0000, 256);
 	return 0;

From 11ca46eaf207e2fde20f6207b6a3ae7b6295da07 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 May 2009 20:44:16 +0200
Subject: [PATCH 3212/3638] m68k/scsi: gvp11 - Extract check_wd33c93()

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/gvp11.c | 160 ++++++++++++++++++++++---------------------
 1 file changed, 83 insertions(+), 77 deletions(-)

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 777972e6bbf..59a7bff53e1 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -22,6 +22,8 @@
 #include <linux/stat.h>
 
 
+#define CHECK_WD33C93
+
 static irqreturn_t gvp11_intr(int irq, void *data)
 {
 	struct Scsi_Host *instance = data;
@@ -167,7 +169,85 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	}
 }
 
-#define CHECK_WD33C93
+static int __init check_wd33c93(gvp11_scsiregs *regs)
+{
+#ifdef CHECK_WD33C93
+	volatile unsigned char *sasr_3393, *scmd_3393;
+	unsigned char save_sasr;
+	unsigned char q, qq;
+
+	/*
+	 * These darn GVP boards are a problem - it can be tough to tell
+	 * whether or not they include a SCSI controller. This is the
+	 * ultimate Yet-Another-GVP-Detection-Hack in that it actually
+	 * probes for a WD33c93 chip: If we find one, it's extremely
+	 * likely that this card supports SCSI, regardless of Product_
+	 * Code, Board_Size, etc.
+	 */
+
+	/* Get pointers to the presumed register locations and save contents */
+
+	sasr_3393 = &regs->SASR;
+	scmd_3393 = &regs->SCMD;
+	save_sasr = *sasr_3393;
+
+	/* First test the AuxStatus Reg */
+
+	q = *sasr_3393;	/* read it */
+	if (q & 0x08)	/* bit 3 should always be clear */
+		return -ENODEV;
+	*sasr_3393 = WD_AUXILIARY_STATUS;	/* setup indirect address */
+	if (*sasr_3393 == WD_AUXILIARY_STATUS) {	/* shouldn't retain the write */
+		*sasr_3393 = save_sasr;	/* Oops - restore this byte */
+		return -ENODEV;
+	}
+	if (*sasr_3393 != q) {	/* should still read the same */
+		*sasr_3393 = save_sasr;	/* Oops - restore this byte */
+		return -ENODEV;
+	}
+	if (*scmd_3393 != q)	/* and so should the image at 0x1f */
+		return -ENODEV;
+
+	/*
+	 * Ok, we probably have a wd33c93, but let's check a few other places
+	 * for good measure. Make sure that this works for both 'A and 'B
+	 * chip versions.
+	 */
+
+	*sasr_3393 = WD_SCSI_STATUS;
+	q = *scmd_3393;
+	*sasr_3393 = WD_SCSI_STATUS;
+	*scmd_3393 = ~q;
+	*sasr_3393 = WD_SCSI_STATUS;
+	qq = *scmd_3393;
+	*sasr_3393 = WD_SCSI_STATUS;
+	*scmd_3393 = q;
+	if (qq != q)	/* should be read only */
+		return -ENODEV;
+	*sasr_3393 = 0x1e;	/* this register is unimplemented */
+	q = *scmd_3393;
+	*sasr_3393 = 0x1e;
+	*scmd_3393 = ~q;
+	*sasr_3393 = 0x1e;
+	qq = *scmd_3393;
+	*sasr_3393 = 0x1e;
+	*scmd_3393 = q;
+	if (qq != q || qq != 0xff)	/* should be read only, all 1's */
+		return -ENODEV;
+	*sasr_3393 = WD_TIMEOUT_PERIOD;
+	q = *scmd_3393;
+	*sasr_3393 = WD_TIMEOUT_PERIOD;
+	*scmd_3393 = ~q;
+	*sasr_3393 = WD_TIMEOUT_PERIOD;
+	qq = *scmd_3393;
+	*sasr_3393 = WD_TIMEOUT_PERIOD;
+	*scmd_3393 = q;
+	if (qq != (~q & 0xff))	/* should be read/write */
+		return -ENODEV;
+#endif /* CHECK_WD33C93 */
+
+	return 0;
+}
 
 int __init gvp11_detect(struct scsi_host_template *tpnt)
 {
@@ -181,11 +261,6 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 	gvp11_scsiregs *regs;
 	wd33c93_regs wdregs;
 	int num_gvp11 = 0;
-#ifdef CHECK_WD33C93
-	volatile unsigned char *sasr_3393, *scmd_3393;
-	unsigned char save_sasr;
-	unsigned char q, qq;
-#endif
 
 	if (!MACH_IS_AMIGA || called)
 		return 0;
@@ -226,77 +301,9 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 		if (!request_mem_region(address, 256, "wd33c93"))
 			continue;
 
-#ifdef CHECK_WD33C93
-
-		/*
-		 * These darn GVP boards are a problem - it can be tough to tell
-		 * whether or not they include a SCSI controller. This is the
-		 * ultimate Yet-Another-GVP-Detection-Hack in that it actually
-		 * probes for a WD33c93 chip: If we find one, it's extremely
-		 * likely that this card supports SCSI, regardless of Product_
-		 * Code, Board_Size, etc.
-		 */
-
-		/* Get pointers to the presumed register locations and save contents */
-
-		sasr_3393 = &(((gvp11_scsiregs *)(ZTWO_VADDR(address)))->SASR);
-		scmd_3393 = &(((gvp11_scsiregs *)(ZTWO_VADDR(address)))->SCMD);
-		save_sasr = *sasr_3393;
-
-		/* First test the AuxStatus Reg */
-
-		q = *sasr_3393;	/* read it */
-		if (q & 0x08)	/* bit 3 should always be clear */
+		regs = (gvp11_scsiregs *)(ZTWO_VADDR(address));
+		if (check_wd33c93(regs))
 			goto release;
-		*sasr_3393 = WD_AUXILIARY_STATUS;	/* setup indirect address */
-		if (*sasr_3393 == WD_AUXILIARY_STATUS) {	/* shouldn't retain the write */
-			*sasr_3393 = save_sasr;	/* Oops - restore this byte */
-			goto release;
-		}
-		if (*sasr_3393 != q) {	/* should still read the same */
-			*sasr_3393 = save_sasr;	/* Oops - restore this byte */
-			goto release;
-		}
-		if (*scmd_3393 != q)	/* and so should the image at 0x1f */
-			goto release;
-
-		/*
-		 * Ok, we probably have a wd33c93, but let's check a few other places
-		 * for good measure. Make sure that this works for both 'A and 'B
-		 * chip versions.
-		 */
-
-		*sasr_3393 = WD_SCSI_STATUS;
-		q = *scmd_3393;
-		*sasr_3393 = WD_SCSI_STATUS;
-		*scmd_3393 = ~q;
-		*sasr_3393 = WD_SCSI_STATUS;
-		qq = *scmd_3393;
-		*sasr_3393 = WD_SCSI_STATUS;
-		*scmd_3393 = q;
-		if (qq != q)	/* should be read only */
-			goto release;
-		*sasr_3393 = 0x1e;	/* this register is unimplemented */
-		q = *scmd_3393;
-		*sasr_3393 = 0x1e;
-		*scmd_3393 = ~q;
-		*sasr_3393 = 0x1e;
-		qq = *scmd_3393;
-		*sasr_3393 = 0x1e;
-		*scmd_3393 = q;
-		if (qq != q || qq != 0xff)	/* should be read only, all 1's */
-			goto release;
-		*sasr_3393 = WD_TIMEOUT_PERIOD;
-		q = *scmd_3393;
-		*sasr_3393 = WD_TIMEOUT_PERIOD;
-		*scmd_3393 = ~q;
-		*sasr_3393 = WD_TIMEOUT_PERIOD;
-		qq = *scmd_3393;
-		*sasr_3393 = WD_TIMEOUT_PERIOD;
-		*scmd_3393 = q;
-		if (qq != (~q & 0xff))	/* should be read/write */
-			goto release;
-#endif
 
 		instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
 		if (instance == NULL)
@@ -311,7 +318,6 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 		else
 			hdata->dma_xfer_mask = default_dma_xfer_mask;
 
-		regs = (gvp11_scsiregs *)(instance->base);
 		regs->secret2 = 1;
 		regs->secret1 = 0;
 		regs->secret3 = 15;

From 56522e39ab75ea7f1f4f5fe4cb760f00815f3d81 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 May 2009 21:05:54 +0200
Subject: [PATCH 3213/3638] m68k/scsi: a2091 - Kill a2091_scsiregs typedef

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/a2091.c | 12 ++++++------
 drivers/scsi/a2091.h |  4 ++--
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 308541ff85c..09b3d77db03 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -27,7 +27,7 @@ static int a2091_release(struct Scsi_Host *instance);
 static irqreturn_t a2091_intr(int irq, void *data)
 {
 	struct Scsi_Host *instance = data;
-	a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
 	unsigned int status = regs->ISTR;
 	unsigned long flags;
 
@@ -44,7 +44,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct Scsi_Host *instance = cmd->device->host;
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -109,7 +109,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
 
 	/* disable SCSI interrupts */
 	unsigned short cntr = CNTR_PDMD;
@@ -154,7 +154,7 @@ static int __init a2091_detect(struct scsi_host_template *tpnt)
 	unsigned long address;
 	struct zorro_dev *z = NULL;
 	wd33c93_regs wdregs;
-	a2091_scsiregs *regs;
+	struct a2091_scsiregs *regs;
 	struct WD33C93_hostdata *hdata;
 	int num_a2091 = 0;
 
@@ -179,7 +179,7 @@ static int __init a2091_detect(struct scsi_host_template *tpnt)
 		instance->base = ZTWO_VADDR(address);
 		instance->irq = IRQ_AMIGA_PORTS;
 		instance->unique_id = z->slotaddr;
-		regs = (a2091_scsiregs *)(instance->base);
+		regs = (struct a2091_scsiregs *)(instance->base);
 		regs->DAWR = DAWR_A2091;
 		wdregs.SASR = &regs->SASR;
 		wdregs.SCMD = &regs->SCMD;
@@ -243,7 +243,7 @@ static struct scsi_host_template driver_template = {
 static int a2091_release(struct Scsi_Host *instance)
 {
 #ifdef MODULE
-	a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
 
 	regs->CNTR = 0;
 	release_mem_region(ZTWO_PADDR(instance->base), 256);
diff --git a/drivers/scsi/a2091.h b/drivers/scsi/a2091.h
index 1c3daa1fd75..794b8e65c71 100644
--- a/drivers/scsi/a2091.h
+++ b/drivers/scsi/a2091.h
@@ -25,7 +25,7 @@
  */
 #define A2091_XFER_MASK		(0xff000001)
 
-typedef struct {
+struct a2091_scsiregs {
 		 unsigned char	pad1[64];
 	volatile unsigned short	ISTR;
 	volatile unsigned short	CNTR;
@@ -44,7 +44,7 @@ typedef struct {
 	volatile unsigned short	CINT;
 		 unsigned char	pad7[2];
 	volatile unsigned short	FLUSH;
-} a2091_scsiregs;
+};
 
 #define DAWR_A2091		(3)
 

From 349d65fdc8e5bb3335fa5e6984ca2c12154a8269 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 May 2009 21:05:55 +0200
Subject: [PATCH 3214/3638] m68k/scsi: gvp11 - Kill gvp11_scsiregs typedef

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/gvp11.c | 14 +++++++-------
 drivers/scsi/gvp11.h |  4 ++--
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 59a7bff53e1..874cbee1be2 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -27,7 +27,7 @@
 static irqreturn_t gvp11_intr(int irq, void *data)
 {
 	struct Scsi_Host *instance = data;
-	gvp11_scsiregs *regs = (gvp11_scsiregs *)(instance->base);
+	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
 	unsigned int status = regs->CNTR;
 	unsigned long flags;
 
@@ -51,7 +51,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct Scsi_Host *instance = cmd->device->host;
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	gvp11_scsiregs *regs = (gvp11_scsiregs *)(instance->base);
+	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
 	unsigned short cntr = GVP11_DMAC_INT_ENABLE;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 	int bank_mask;
@@ -145,7 +145,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
-	gvp11_scsiregs *regs = (gvp11_scsiregs *)(instance->base);
+	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
 
 	/* stop DMA */
@@ -169,7 +169,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	}
 }
 
-static int __init check_wd33c93(gvp11_scsiregs *regs)
+static int __init check_wd33c93(struct gvp11_scsiregs *regs)
 {
 #ifdef CHECK_WD33C93
 	volatile unsigned char *sasr_3393, *scmd_3393;
@@ -258,7 +258,7 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 	struct zorro_dev *z = NULL;
 	unsigned int default_dma_xfer_mask;
 	struct WD33C93_hostdata *hdata;
-	gvp11_scsiregs *regs;
+	struct gvp11_scsiregs *regs;
 	wd33c93_regs wdregs;
 	int num_gvp11 = 0;
 
@@ -301,7 +301,7 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 		if (!request_mem_region(address, 256, "wd33c93"))
 			continue;
 
-		regs = (gvp11_scsiregs *)(ZTWO_VADDR(address));
+		regs = (struct gvp11_scsiregs *)(ZTWO_VADDR(address));
 		if (check_wd33c93(regs))
 			goto release;
 
@@ -399,7 +399,7 @@ static struct scsi_host_template driver_template = {
 int gvp11_release(struct Scsi_Host *instance)
 {
 #ifdef MODULE
-	gvp11_scsiregs *regs = (gvp11_scsiregs *)(instance->base);
+	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
 
 	regs->CNTR = 0;
 	release_mem_region(ZTWO_PADDR(instance->base), 256);
diff --git a/drivers/scsi/gvp11.h b/drivers/scsi/gvp11.h
index e2efdf9601e..b27a3ee3313 100644
--- a/drivers/scsi/gvp11.h
+++ b/drivers/scsi/gvp11.h
@@ -30,7 +30,7 @@ int gvp11_release(struct Scsi_Host *);
  */
 #define GVP11_XFER_MASK		(0xff000001)
 
-typedef struct {
+struct gvp11_scsiregs {
 		 unsigned char	pad1[64];
 	volatile unsigned short	CNTR;
 		 unsigned char	pad2[31];
@@ -46,7 +46,7 @@ typedef struct {
 	volatile unsigned short	SP_DMA;
 	volatile unsigned short	secret2; /* store 1 here */
 	volatile unsigned short	secret3; /* store 15 here */
-} gvp11_scsiregs;
+};
 
 /* bits in CNTR */
 #define GVP11_DMAC_BUSY		(1<<0)

From c57c1cab789e4d54fd767fb844e3a309c754e6ed Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 May 2009 21:05:53 +0200
Subject: [PATCH 3215/3638] m68k/scsi: a3000 - Kill a3000_scsiregs typedef

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/a3000.c | 12 ++++++------
 drivers/scsi/a3000.h |  4 ++--
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index eabc41b65da..79a4a3c9747 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -27,7 +27,7 @@ static int a3000_release(struct Scsi_Host *instance);
 static irqreturn_t a3000_intr(int irq, void *data)
 {
 	struct Scsi_Host *instance = data;
-	a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
+	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
 	unsigned int status = regs->ISTR;
 	unsigned long flags;
 
@@ -47,7 +47,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct Scsi_Host *instance = cmd->device->host;
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
+	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -110,7 +110,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
 	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
+	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
 
 	/* disable SCSI interrupts */
 	unsigned short cntr = CNTR_PDMD;
@@ -166,7 +166,7 @@ static int __init a3000_detect(struct scsi_host_template *tpnt)
 {
 	struct Scsi_Host *instance;
 	wd33c93_regs wdregs;
-	a3000_scsiregs *regs;
+	struct a3000_scsiregs *regs;
 	struct WD33C93_hostdata *hdata;
 
 	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
@@ -183,7 +183,7 @@ static int __init a3000_detect(struct scsi_host_template *tpnt)
 
 	instance->base = ZTWO_VADDR(0xDD0000);
 	instance->irq = IRQ_AMIGA_PORTS;
-	regs = (a3000_scsiregs *)(instance->base);
+	regs = (struct a3000_scsiregs *)(instance->base);
 	regs->DAWR = DAWR_A3000;
 	wdregs.SASR = &regs->SASR;
 	wdregs.SCMD = &regs->SCMD;
@@ -243,7 +243,7 @@ static struct scsi_host_template driver_template = {
 
 static int a3000_release(struct Scsi_Host *instance)
 {
-	a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
+	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
 
 	regs->CNTR = 0;
 	release_mem_region(0xDD0000, 256);
diff --git a/drivers/scsi/a3000.h b/drivers/scsi/a3000.h
index 684813ee378..49db4a335aa 100644
--- a/drivers/scsi/a3000.h
+++ b/drivers/scsi/a3000.h
@@ -25,7 +25,7 @@
  */
 #define A3000_XFER_MASK		(0x00000003)
 
-typedef struct {
+struct a3000_scsiregs {
 		 unsigned char	pad1[2];
 	volatile unsigned short	DAWR;
 	volatile unsigned int	WTC;
@@ -46,7 +46,7 @@ typedef struct {
 	volatile unsigned char	SASR;
 		 unsigned char	pad9;
 	volatile unsigned char	SCMD;
-} a3000_scsiregs;
+};
 
 #define DAWR_A3000		(3)
 

From 5d3f2c38603289fdaa60644ceb93307f0abc77de Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 18 Nov 2008 21:25:15 +0100
Subject: [PATCH 3216/3638] m68k/scsi: mvme147 - Kill obsolete HOSTS_C logic

Kill the obsolete HOSTS_C define and the related double inclusion of mvme147.h

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/mvme147.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index 1b6195b4717..c29d0dbb966 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -134,9 +134,6 @@ static int mvme147_bus_reset(struct scsi_cmnd *cmd)
 	return SUCCESS;
 }
 
-#define HOSTS_C
-
-#include "mvme147.h"
 
 static struct scsi_host_template driver_template = {
 	.proc_name		= "MVME147",

From c737e22cde37e4e2ad126316e4aab7349a491ab3 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 16 Aug 2009 11:17:35 +0200
Subject: [PATCH 3217/3638] m68k: amiga - A2091/A590 SCSI zorro_driver
 conversion

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/a2091.c | 190 +++++++++++++++++++++++--------------------
 1 file changed, 104 insertions(+), 86 deletions(-)

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 09b3d77db03..fc4fce99528 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -1,28 +1,20 @@
 #include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/zorro.h>
 
-#include <asm/setup.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/amigaints.h>
 #include <asm/amigahw.h>
-#include <linux/zorro.h>
-#include <asm/irq.h>
-#include <linux/spinlock.h>
 
 #include "scsi.h"
-#include <scsi/scsi_host.h>
 #include "wd33c93.h"
 #include "a2091.h"
 
-#include <linux/stat.h>
-
-
-static int a2091_release(struct Scsi_Host *instance);
 
 static irqreturn_t a2091_intr(int irq, void *data)
 {
@@ -147,85 +139,27 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	}
 }
 
-static int __init a2091_detect(struct scsi_host_template *tpnt)
-{
-	static unsigned char called = 0;
-	struct Scsi_Host *instance;
-	unsigned long address;
-	struct zorro_dev *z = NULL;
-	wd33c93_regs wdregs;
-	struct a2091_scsiregs *regs;
-	struct WD33C93_hostdata *hdata;
-	int num_a2091 = 0;
-
-	if (!MACH_IS_AMIGA || called)
-		return 0;
-	called = 1;
-
-	tpnt->proc_name = "A2091";
-	tpnt->proc_info = &wd33c93_proc_info;
-
-	while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
-		if (z->id != ZORRO_PROD_CBM_A590_A2091_1 &&
-		    z->id != ZORRO_PROD_CBM_A590_A2091_2)
-			continue;
-		address = z->resource.start;
-		if (!request_mem_region(address, 256, "wd33c93"))
-			continue;
-
-		instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
-		if (instance == NULL)
-			goto release;
-		instance->base = ZTWO_VADDR(address);
-		instance->irq = IRQ_AMIGA_PORTS;
-		instance->unique_id = z->slotaddr;
-		regs = (struct a2091_scsiregs *)(instance->base);
-		regs->DAWR = DAWR_A2091;
-		wdregs.SASR = &regs->SASR;
-		wdregs.SCMD = &regs->SCMD;
-		hdata = shost_priv(instance);
-		hdata->no_sync = 0xff;
-		hdata->fast = 0;
-		hdata->dma_mode = CTRL_DMA;
-		wd33c93_init(instance, wdregs, dma_setup, dma_stop,
-			     WD33C93_FS_8_10);
-		if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
-				"A2091 SCSI", instance))
-			goto unregister;
-		regs->CNTR = CNTR_PDMD | CNTR_INTEN;
-		num_a2091++;
-		continue;
-
-unregister:
-		scsi_unregister(instance);
-release:
-		release_mem_region(address, 256);
-	}
-
-	return num_a2091;
-}
-
 static int a2091_bus_reset(struct scsi_cmnd *cmd)
 {
+	struct Scsi_Host *instance = cmd->device->host;
+
 	/* FIXME perform bus-specific reset */
 
 	/* FIXME 2: kill this function, and let midlayer fall back
 	   to the same action, calling wd33c93_host_reset() */
 
-	spin_lock_irq(cmd->device->host->host_lock);
+	spin_lock_irq(instance->host_lock);
 	wd33c93_host_reset(cmd);
-	spin_unlock_irq(cmd->device->host->host_lock);
+	spin_unlock_irq(instance->host_lock);
 
 	return SUCCESS;
 }
 
-#define HOSTS_C
-
-static struct scsi_host_template driver_template = {
-	.proc_name		= "A2901",
+static struct scsi_host_template a2091_scsi_template = {
+	.module			= THIS_MODULE,
 	.name			= "Commodore A2091/A590 SCSI",
-	.detect			= a2091_detect,
-	.release		= a2091_release,
+	.proc_info		= wd33c93_proc_info,
+	.proc_name		= "A2901",
 	.queuecommand		= wd33c93_queuecommand,
 	.eh_abort_handler	= wd33c93_abort,
 	.eh_bus_reset_handler	= a2091_bus_reset,
@@ -237,19 +171,103 @@ static struct scsi_host_template driver_template = {
 	.use_clustering		= DISABLE_CLUSTERING
 };
 
-
-#include "scsi_module.c"
-
-static int a2091_release(struct Scsi_Host *instance)
+static int __devinit a2091_probe(struct zorro_dev *z,
+				 const struct zorro_device_id *ent)
 {
-#ifdef MODULE
+	struct Scsi_Host *instance;
+	int error;
+	struct a2091_scsiregs *regs;
+	wd33c93_regs wdregs;
+	struct WD33C93_hostdata *hdata;
+
+	if (!request_mem_region(z->resource.start, 256, "wd33c93"))
+		return -EBUSY;
+
+	instance = scsi_host_alloc(&a2091_scsi_template,
+				   sizeof(struct WD33C93_hostdata));
+	if (!instance) {
+		error = -ENOMEM;
+		goto fail_alloc;
+	}
+
+	instance->base = ZTWO_VADDR(z->resource.start);
+	instance->irq = IRQ_AMIGA_PORTS;
+	instance->unique_id = z->slotaddr;
+
+	regs = (struct a2091_scsiregs *)(instance->base);
+	regs->DAWR = DAWR_A2091;
+
+	wdregs.SASR = &regs->SASR;
+	wdregs.SCMD = &regs->SCMD;
+
+	hdata = shost_priv(instance);
+	hdata->no_sync = 0xff;
+	hdata->fast = 0;
+	hdata->dma_mode = CTRL_DMA;
+
+	wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_8_10);
+	error = request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
+			    "A2091 SCSI", instance);
+	if (error)
+		goto fail_irq;
+
+	regs->CNTR = CNTR_PDMD | CNTR_INTEN;
+
+	error = scsi_add_host(instance, NULL);
+	if (error)
+		goto fail_host;
+
+	zorro_set_drvdata(z, instance);
+
+	scsi_scan_host(instance);
+	return 0;
+
+fail_host:
+	free_irq(IRQ_AMIGA_PORTS, instance);
+fail_irq:
+	scsi_host_put(instance);
+fail_alloc:
+	release_mem_region(z->resource.start, 256);
+	return error;
+}
+
+static void __devexit a2091_remove(struct zorro_dev *z)
+{
+	struct Scsi_Host *instance = zorro_get_drvdata(z);
 	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
 
 	regs->CNTR = 0;
-	release_mem_region(ZTWO_PADDR(instance->base), 256);
+	scsi_remove_host(instance);
 	free_irq(IRQ_AMIGA_PORTS, instance);
-#endif
-	return 1;
+	scsi_host_put(instance);
+	release_mem_region(z->resource.start, 256);
 }
 
+static struct zorro_device_id a2091_zorro_tbl[] __devinitdata = {
+	{ ZORRO_PROD_CBM_A590_A2091_1 },
+	{ ZORRO_PROD_CBM_A590_A2091_2 },
+	{ 0 }
+};
+MODULE_DEVICE_TABLE(zorro, a2091_zorro_tbl);
+
+static struct zorro_driver a2091_driver = {
+	.name		= "a2091",
+	.id_table	= a2091_zorro_tbl,
+	.probe		= a2091_probe,
+	.remove		= __devexit_p(a2091_remove),
+};
+
+static int __init a2091_init(void)
+{
+	return zorro_register_driver(&a2091_driver);
+}
+module_init(a2091_init);
+
+static void __exit a2091_exit(void)
+{
+	zorro_unregister_driver(&a2091_driver);
+}
+module_exit(a2091_exit);
+
+MODULE_DESCRIPTION("Commodore A2091/A590 SCSI");
 MODULE_LICENSE("GPL");

From 65c2784a24d8d0a67ba3a50029846e0b82bdc223 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Mon, 12 Apr 2010 21:55:03 +0200
Subject: [PATCH 3218/3638] m68k/scsi: a2091 - Do not use legacy Scsi_Host.base

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/a2091.c | 75 ++++++++++++++++++++++++--------------------
 1 file changed, 41 insertions(+), 34 deletions(-)

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index fc4fce99528..1bb5d3f0e26 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -16,11 +16,16 @@
 #include "a2091.h"
 
 
+struct a2091_hostdata {
+	struct WD33C93_hostdata wh;
+	struct a2091_scsiregs *regs;
+};
+
 static irqreturn_t a2091_intr(int irq, void *data)
 {
 	struct Scsi_Host *instance = data;
-	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
-	unsigned int status = regs->ISTR;
+	struct a2091_hostdata *hdata = shost_priv(instance);
+	unsigned int status = hdata->regs->ISTR;
 	unsigned long flags;
 
 	if (!(status & (ISTR_INT_F | ISTR_INT_P)) || !(status & ISTR_INTS))
@@ -35,38 +40,39 @@ static irqreturn_t a2091_intr(int irq, void *data)
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct Scsi_Host *instance = cmd->device->host;
-	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
+	struct a2091_hostdata *hdata = shost_priv(instance);
+	struct WD33C93_hostdata *wh = &hdata->wh;
+	struct a2091_scsiregs *regs = hdata->regs;
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
 	/* don't allow DMA if the physical address is bad */
 	if (addr & A2091_XFER_MASK) {
-		hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
-		hdata->dma_bounce_buffer = kmalloc(hdata->dma_bounce_len,
-						   GFP_KERNEL);
+		wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
+		wh->dma_bounce_buffer = kmalloc(wh->dma_bounce_len,
+						GFP_KERNEL);
 
 		/* can't allocate memory; use PIO */
-		if (!hdata->dma_bounce_buffer) {
-			hdata->dma_bounce_len = 0;
+		if (!wh->dma_bounce_buffer) {
+			wh->dma_bounce_len = 0;
 			return 1;
 		}
 
 		/* get the physical address of the bounce buffer */
-		addr = virt_to_bus(hdata->dma_bounce_buffer);
+		addr = virt_to_bus(wh->dma_bounce_buffer);
 
 		/* the bounce buffer may not be in the first 16M of physmem */
 		if (addr & A2091_XFER_MASK) {
 			/* we could use chipmem... maybe later */
-			kfree(hdata->dma_bounce_buffer);
-			hdata->dma_bounce_buffer = NULL;
-			hdata->dma_bounce_len = 0;
+			kfree(wh->dma_bounce_buffer);
+			wh->dma_bounce_buffer = NULL;
+			wh->dma_bounce_len = 0;
 			return 1;
 		}
 
 		if (!dir_in) {
 			/* copy to bounce buffer for a write */
-			memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+			memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr,
 			       cmd->SCp.this_residual);
 		}
 	}
@@ -76,7 +82,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		cntr |= CNTR_DDIR;
 
 	/* remember direction */
-	hdata->dma_dir = dir_in;
+	wh->dma_dir = dir_in;
 
 	regs->CNTR = cntr;
 
@@ -100,20 +106,21 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
-	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
+	struct a2091_hostdata *hdata = shost_priv(instance);
+	struct WD33C93_hostdata *wh = &hdata->wh;
+	struct a2091_scsiregs *regs = hdata->regs;
 
 	/* disable SCSI interrupts */
 	unsigned short cntr = CNTR_PDMD;
 
-	if (!hdata->dma_dir)
+	if (!wh->dma_dir)
 		cntr |= CNTR_DDIR;
 
 	/* disable SCSI interrupts */
 	regs->CNTR = cntr;
 
 	/* flush if we were reading */
-	if (hdata->dma_dir) {
+	if (wh->dma_dir) {
 		regs->FLUSH = 1;
 		while (!(regs->ISTR & ISTR_FE_FLG))
 			;
@@ -129,13 +136,13 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	regs->CNTR = CNTR_PDMD | CNTR_INTEN;
 
 	/* copy from a bounce buffer, if necessary */
-	if (status && hdata->dma_bounce_buffer) {
-		if (hdata->dma_dir)
-			memcpy(SCpnt->SCp.ptr, hdata->dma_bounce_buffer,
+	if (status && wh->dma_bounce_buffer) {
+		if (wh->dma_dir)
+			memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer,
 			       SCpnt->SCp.this_residual);
-		kfree(hdata->dma_bounce_buffer);
-		hdata->dma_bounce_buffer = NULL;
-		hdata->dma_bounce_len = 0;
+		kfree(wh->dma_bounce_buffer);
+		wh->dma_bounce_buffer = NULL;
+		wh->dma_bounce_len = 0;
 	}
 }
 
@@ -178,32 +185,32 @@ static int __devinit a2091_probe(struct zorro_dev *z,
 	int error;
 	struct a2091_scsiregs *regs;
 	wd33c93_regs wdregs;
-	struct WD33C93_hostdata *hdata;
+	struct a2091_hostdata *hdata;
 
 	if (!request_mem_region(z->resource.start, 256, "wd33c93"))
 		return -EBUSY;
 
 	instance = scsi_host_alloc(&a2091_scsi_template,
-				   sizeof(struct WD33C93_hostdata));
+				   sizeof(struct a2091_hostdata));
 	if (!instance) {
 		error = -ENOMEM;
 		goto fail_alloc;
 	}
 
-	instance->base = ZTWO_VADDR(z->resource.start);
 	instance->irq = IRQ_AMIGA_PORTS;
 	instance->unique_id = z->slotaddr;
 
-	regs = (struct a2091_scsiregs *)(instance->base);
+	regs = (struct a2091_scsiregs *)ZTWO_VADDR(z->resource.start);
 	regs->DAWR = DAWR_A2091;
 
 	wdregs.SASR = &regs->SASR;
 	wdregs.SCMD = &regs->SCMD;
 
 	hdata = shost_priv(instance);
-	hdata->no_sync = 0xff;
-	hdata->fast = 0;
-	hdata->dma_mode = CTRL_DMA;
+	hdata->wh.no_sync = 0xff;
+	hdata->wh.fast = 0;
+	hdata->wh.dma_mode = CTRL_DMA;
+	hdata->regs = regs;
 
 	wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_8_10);
 	error = request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
@@ -234,9 +241,9 @@ fail_alloc:
 static void __devexit a2091_remove(struct zorro_dev *z)
 {
 	struct Scsi_Host *instance = zorro_get_drvdata(z);
-	struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
+	struct a2091_hostdata *hdata = shost_priv(instance);
 
-	regs->CNTR = 0;
+	hdata->regs->CNTR = 0;
 	scsi_remove_host(instance);
 	free_irq(IRQ_AMIGA_PORTS, instance);
 	scsi_host_put(instance);

From c1d288a58936cd0654844d807e53a203f4838fb4 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 16 Aug 2009 11:17:35 +0200
Subject: [PATCH 3219/3638] m68k: amiga - GVP Series II SCSI zorro_driver
 conversion

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/gvp11.c | 304 ++++++++++++++++++++++---------------------
 drivers/scsi/gvp11.h |   7 -
 2 files changed, 159 insertions(+), 152 deletions(-)

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 874cbee1be2..4507a16ee1c 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -1,26 +1,20 @@
 #include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/zorro.h>
 
-#include <asm/setup.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/amigaints.h>
 #include <asm/amigahw.h>
-#include <linux/zorro.h>
-#include <asm/irq.h>
-#include <linux/spinlock.h>
 
 #include "scsi.h"
-#include <scsi/scsi_host.h>
 #include "wd33c93.h"
 #include "gvp11.h"
 
-#include <linux/stat.h>
-
 
 #define CHECK_WD33C93
 
@@ -169,7 +163,40 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	}
 }
 
-static int __init check_wd33c93(struct gvp11_scsiregs *regs)
+static int gvp11_bus_reset(struct scsi_cmnd *cmd)
+{
+	struct Scsi_Host *instance = cmd->device->host;
+
+	/* FIXME perform bus-specific reset */
+
+	/* FIXME 2: shouldn't we no-op this function (return
+	   FAILED), and fall back to host reset function,
+	   wd33c93_host_reset ? */
+
+	spin_lock_irq(instance->host_lock);
+	wd33c93_host_reset(cmd);
+	spin_unlock_irq(instance->host_lock);
+
+	return SUCCESS;
+}
+
+static struct scsi_host_template gvp11_scsi_template = {
+	.module			= THIS_MODULE,
+	.name			= "GVP Series II SCSI",
+	.proc_info		= wd33c93_proc_info,
+	.proc_name		= "GVP11",
+	.queuecommand		= wd33c93_queuecommand,
+	.eh_abort_handler	= wd33c93_abort,
+	.eh_bus_reset_handler	= gvp11_bus_reset,
+	.eh_host_reset_handler	= wd33c93_host_reset,
+	.can_queue		= CAN_QUEUE,
+	.this_id		= 7,
+	.sg_tablesize		= SG_ALL,
+	.cmd_per_lun		= CMD_PER_LUN,
+	.use_clustering		= DISABLE_CLUSTERING
+};
+
+static int __devinit check_wd33c93(struct gvp11_scsiregs *regs)
 {
 #ifdef CHECK_WD33C93
 	volatile unsigned char *sasr_3393, *scmd_3393;
@@ -249,163 +276,150 @@ static int __init check_wd33c93(struct gvp11_scsiregs *regs)
 	return 0;
 }
 
-int __init gvp11_detect(struct scsi_host_template *tpnt)
+static int __devinit gvp11_probe(struct zorro_dev *z,
+				 const struct zorro_device_id *ent)
 {
-	static unsigned char called = 0;
 	struct Scsi_Host *instance;
 	unsigned long address;
+	int error;
 	unsigned int epc;
-	struct zorro_dev *z = NULL;
 	unsigned int default_dma_xfer_mask;
 	struct WD33C93_hostdata *hdata;
 	struct gvp11_scsiregs *regs;
 	wd33c93_regs wdregs;
-	int num_gvp11 = 0;
 
-	if (!MACH_IS_AMIGA || called)
-		return 0;
-	called = 1;
+	default_dma_xfer_mask = ent->driver_data;
 
-	tpnt->proc_name = "GVP11";
-	tpnt->proc_info = &wd33c93_proc_info;
+	/*
+	 * Rumors state that some GVP ram boards use the same product
+	 * code as the SCSI controllers. Therefore if the board-size
+	 * is not 64KB we asume it is a ram board and bail out.
+	 */
+	if (zorro_resource_len(z) != 0x10000)
+		return -ENODEV;
 
-	while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
-		/*
-		 * This should (hopefully) be the correct way to identify
-		 * all the different GVP SCSI controllers (except for the
-		 * SERIES I though).
-		 */
+	address = z->resource.start;
+	if (!request_mem_region(address, 256, "wd33c93"))
+		return -EBUSY;
 
-		if (z->id == ZORRO_PROD_GVP_COMBO_030_R3_SCSI ||
-		    z->id == ZORRO_PROD_GVP_SERIES_II)
-			default_dma_xfer_mask = ~0x00ffffff;
-		else if (z->id == ZORRO_PROD_GVP_GFORCE_030_SCSI ||
-			 z->id == ZORRO_PROD_GVP_A530_SCSI ||
-			 z->id == ZORRO_PROD_GVP_COMBO_030_R4_SCSI)
-			default_dma_xfer_mask = ~0x01ffffff;
-		else if (z->id == ZORRO_PROD_GVP_A1291 ||
-			 z->id == ZORRO_PROD_GVP_GFORCE_040_SCSI_1)
-			default_dma_xfer_mask = ~0x07ffffff;
-		else
-			continue;
+	regs = (struct gvp11_scsiregs *)(ZTWO_VADDR(address));
 
-		/*
-		 * Rumors state that some GVP ram boards use the same product
-		 * code as the SCSI controllers. Therefore if the board-size
-		 * is not 64KB we asume it is a ram board and bail out.
-		 */
-		if (z->resource.end - z->resource.start != 0xffff)
-			continue;
+	error = check_wd33c93(regs);
+	if (error)
+		goto fail_check_or_alloc;
 
-		address = z->resource.start;
-		if (!request_mem_region(address, 256, "wd33c93"))
-			continue;
-
-		regs = (struct gvp11_scsiregs *)(ZTWO_VADDR(address));
-		if (check_wd33c93(regs))
-			goto release;
-
-		instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
-		if (instance == NULL)
-			goto release;
-		instance->base = ZTWO_VADDR(address);
-		instance->irq = IRQ_AMIGA_PORTS;
-		instance->unique_id = z->slotaddr;
-
-		hdata = shost_priv(instance);
-		if (gvp11_xfer_mask)
-			hdata->dma_xfer_mask = gvp11_xfer_mask;
-		else
-			hdata->dma_xfer_mask = default_dma_xfer_mask;
-
-		regs->secret2 = 1;
-		regs->secret1 = 0;
-		regs->secret3 = 15;
-		while (regs->CNTR & GVP11_DMAC_BUSY)
-			;
-		regs->CNTR = 0;
-
-		regs->BANK = 0;
-
-		epc = *(unsigned short *)(ZTWO_VADDR(address) + 0x8000);
-
-		/*
-		 * Check for 14MHz SCSI clock
-		 */
-		wdregs.SASR = &regs->SASR;
-		wdregs.SCMD = &regs->SCMD;
-		hdata->no_sync = 0xff;
-		hdata->fast = 0;
-		hdata->dma_mode = CTRL_DMA;
-		wd33c93_init(instance, wdregs, dma_setup, dma_stop,
-			     (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
-						     : WD33C93_FS_12_15);
-
-		if (request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED,
-				"GVP11 SCSI", instance))
-			goto unregister;
-		regs->CNTR = GVP11_DMAC_INT_ENABLE;
-		num_gvp11++;
-		continue;
-
-unregister:
-		scsi_unregister(instance);
-release:
-		release_mem_region(address, 256);
+	instance = scsi_host_alloc(&gvp11_scsi_template,
+				   sizeof(struct WD33C93_hostdata));
+	if (!instance) {
+		error = -ENOMEM;
+		goto fail_check_or_alloc;
 	}
 
-	return num_gvp11;
+	instance->base = (unsigned long)regs;
+	instance->irq = IRQ_AMIGA_PORTS;
+	instance->unique_id = z->slotaddr;
+
+	regs->secret2 = 1;
+	regs->secret1 = 0;
+	regs->secret3 = 15;
+	while (regs->CNTR & GVP11_DMAC_BUSY)
+		;
+	regs->CNTR = 0;
+	regs->BANK = 0;
+
+	wdregs.SASR = &regs->SASR;
+	wdregs.SCMD = &regs->SCMD;
+
+	hdata = shost_priv(instance);
+	if (gvp11_xfer_mask)
+		hdata->dma_xfer_mask = gvp11_xfer_mask;
+	else
+		hdata->dma_xfer_mask = default_dma_xfer_mask;
+
+	hdata->no_sync = 0xff;
+	hdata->fast = 0;
+	hdata->dma_mode = CTRL_DMA;
+
+	/*
+	 * Check for 14MHz SCSI clock
+	 */
+	epc = *(unsigned short *)(ZTWO_VADDR(address) + 0x8000);
+	wd33c93_init(instance, wdregs, dma_setup, dma_stop,
+		     (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
+					     : WD33C93_FS_12_15);
+
+	error = request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED,
+			    "GVP11 SCSI", instance);
+	if (error)
+		goto fail_irq;
+
+	regs->CNTR = GVP11_DMAC_INT_ENABLE;
+
+	error = scsi_add_host(instance, NULL);
+	if (error)
+		goto fail_host;
+
+	zorro_set_drvdata(z, instance);
+	scsi_scan_host(instance);
+	return 0;
+
+fail_host:
+	free_irq(IRQ_AMIGA_PORTS, instance);
+fail_irq:
+	scsi_host_put(instance);
+fail_check_or_alloc:
+	release_mem_region(address, 256);
+	return error;
 }
 
-static int gvp11_bus_reset(struct scsi_cmnd *cmd)
+static void __devexit gvp11_remove(struct zorro_dev *z)
 {
-	/* FIXME perform bus-specific reset */
-
-	/* FIXME 2: shouldn't we no-op this function (return
-	   FAILED), and fall back to host reset function,
-	   wd33c93_host_reset ? */
-
-	spin_lock_irq(cmd->device->host->host_lock);
-	wd33c93_host_reset(cmd);
-	spin_unlock_irq(cmd->device->host->host_lock);
-
-	return SUCCESS;
-}
-
-
-#define HOSTS_C
-
-#include "gvp11.h"
-
-static struct scsi_host_template driver_template = {
-	.proc_name		= "GVP11",
-	.name			= "GVP Series II SCSI",
-	.detect			= gvp11_detect,
-	.release		= gvp11_release,
-	.queuecommand		= wd33c93_queuecommand,
-	.eh_abort_handler	= wd33c93_abort,
-	.eh_bus_reset_handler	= gvp11_bus_reset,
-	.eh_host_reset_handler	= wd33c93_host_reset,
-	.can_queue		= CAN_QUEUE,
-	.this_id		= 7,
-	.sg_tablesize		= SG_ALL,
-	.cmd_per_lun		= CMD_PER_LUN,
-	.use_clustering		= DISABLE_CLUSTERING
-};
-
-
-#include "scsi_module.c"
-
-int gvp11_release(struct Scsi_Host *instance)
-{
-#ifdef MODULE
+	struct Scsi_Host *instance = zorro_get_drvdata(z);
 	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
 
 	regs->CNTR = 0;
-	release_mem_region(ZTWO_PADDR(instance->base), 256);
+	scsi_remove_host(instance);
 	free_irq(IRQ_AMIGA_PORTS, instance);
-#endif
-	return 1;
+	scsi_host_put(instance);
+	release_mem_region(z->resource.start, 256);
 }
 
+	/*
+	 * This should (hopefully) be the correct way to identify
+	 * all the different GVP SCSI controllers (except for the
+	 * SERIES I though).
+	 */
+
+static struct zorro_device_id gvp11_zorro_tbl[] __devinitdata = {
+	{ ZORRO_PROD_GVP_COMBO_030_R3_SCSI,	~0x00ffffff },
+	{ ZORRO_PROD_GVP_SERIES_II,		~0x00ffffff },
+	{ ZORRO_PROD_GVP_GFORCE_030_SCSI,	~0x01ffffff },
+	{ ZORRO_PROD_GVP_A530_SCSI,		~0x01ffffff },
+	{ ZORRO_PROD_GVP_COMBO_030_R4_SCSI,	~0x01ffffff },
+	{ ZORRO_PROD_GVP_A1291,			~0x07ffffff },
+	{ ZORRO_PROD_GVP_GFORCE_040_SCSI_1,	~0x07ffffff },
+	{ 0 }
+};
+MODULE_DEVICE_TABLE(zorro, gvp11_zorro_tbl);
+
+static struct zorro_driver gvp11_driver = {
+	.name		= "gvp11",
+	.id_table	= gvp11_zorro_tbl,
+	.probe		= gvp11_probe,
+	.remove		= __devexit_p(gvp11_remove),
+};
+
+static int __init gvp11_init(void)
+{
+	return zorro_register_driver(&gvp11_driver);
+}
+module_init(gvp11_init);
+
+static void __exit gvp11_exit(void)
+{
+	zorro_unregister_driver(&gvp11_driver);
+}
+module_exit(gvp11_exit);
+
+MODULE_DESCRIPTION("GVP Series II SCSI");
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/gvp11.h b/drivers/scsi/gvp11.h
index b27a3ee3313..852913cde5d 100644
--- a/drivers/scsi/gvp11.h
+++ b/drivers/scsi/gvp11.h
@@ -11,9 +11,6 @@
 
 #include <linux/types.h>
 
-int gvp11_detect(struct scsi_host_template *);
-int gvp11_release(struct Scsi_Host *);
-
 #ifndef CMD_PER_LUN
 #define CMD_PER_LUN		2
 #endif
@@ -22,8 +19,6 @@ int gvp11_release(struct Scsi_Host *);
 #define CAN_QUEUE		16
 #endif
 
-#ifndef HOSTS_C
-
 /*
  * if the transfer address ANDed with this results in a non-zero
  * result, then we can't use DMA.
@@ -54,6 +49,4 @@ struct gvp11_scsiregs {
 #define GVP11_DMAC_INT_ENABLE	(1<<3)
 #define GVP11_DMAC_DIR_WRITE	(1<<4)
 
-#endif /* else def HOSTS_C */
-
 #endif /* GVP11_H */

From cf2ed279f915f36c84ce21a5933ad4bba9f81de8 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Mon, 12 Apr 2010 21:55:25 +0200
Subject: [PATCH 3220/3638] m68k/scsi: gvp11 - Do not use legacy Scsi_Host.base

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/gvp11.c | 105 +++++++++++++++++++++++--------------------
 1 file changed, 56 insertions(+), 49 deletions(-)

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 4507a16ee1c..2ce26eb7a1e 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -18,11 +18,16 @@
 
 #define CHECK_WD33C93
 
+struct gvp11_hostdata {
+	struct WD33C93_hostdata wh;
+	struct gvp11_scsiregs *regs;
+};
+
 static irqreturn_t gvp11_intr(int irq, void *data)
 {
 	struct Scsi_Host *instance = data;
-	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
-	unsigned int status = regs->CNTR;
+	struct gvp11_hostdata *hdata = shost_priv(instance);
+	unsigned int status = hdata->regs->CNTR;
 	unsigned long flags;
 
 	if (!(status & GVP11_DMAC_INT_PENDING))
@@ -44,65 +49,66 @@ void gvp11_setup(char *str, int *ints)
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct Scsi_Host *instance = cmd->device->host;
-	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
+	struct gvp11_hostdata *hdata = shost_priv(instance);
+	struct WD33C93_hostdata *wh = &hdata->wh;
+	struct gvp11_scsiregs *regs = hdata->regs;
 	unsigned short cntr = GVP11_DMAC_INT_ENABLE;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 	int bank_mask;
 	static int scsi_alloc_out_of_range = 0;
 
 	/* use bounce buffer if the physical address is bad */
-	if (addr & hdata->dma_xfer_mask) {
-		hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
+	if (addr & wh->dma_xfer_mask) {
+		wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
 
 		if (!scsi_alloc_out_of_range) {
-			hdata->dma_bounce_buffer =
-				kmalloc(hdata->dma_bounce_len, GFP_KERNEL);
-			hdata->dma_buffer_pool = BUF_SCSI_ALLOCED;
+			wh->dma_bounce_buffer =
+				kmalloc(wh->dma_bounce_len, GFP_KERNEL);
+			wh->dma_buffer_pool = BUF_SCSI_ALLOCED;
 		}
 
 		if (scsi_alloc_out_of_range ||
-		    !hdata->dma_bounce_buffer) {
-			hdata->dma_bounce_buffer =
-				amiga_chip_alloc(hdata->dma_bounce_len,
+		    !wh->dma_bounce_buffer) {
+			wh->dma_bounce_buffer =
+				amiga_chip_alloc(wh->dma_bounce_len,
 						 "GVP II SCSI Bounce Buffer");
 
-			if (!hdata->dma_bounce_buffer) {
-				hdata->dma_bounce_len = 0;
+			if (!wh->dma_bounce_buffer) {
+				wh->dma_bounce_len = 0;
 				return 1;
 			}
 
-			hdata->dma_buffer_pool = BUF_CHIP_ALLOCED;
+			wh->dma_buffer_pool = BUF_CHIP_ALLOCED;
 		}
 
 		/* check if the address of the bounce buffer is OK */
-		addr = virt_to_bus(hdata->dma_bounce_buffer);
+		addr = virt_to_bus(wh->dma_bounce_buffer);
 
-		if (addr & hdata->dma_xfer_mask) {
+		if (addr & wh->dma_xfer_mask) {
 			/* fall back to Chip RAM if address out of range */
-			if (hdata->dma_buffer_pool == BUF_SCSI_ALLOCED) {
-				kfree(hdata->dma_bounce_buffer);
+			if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED) {
+				kfree(wh->dma_bounce_buffer);
 				scsi_alloc_out_of_range = 1;
 			} else {
-				amiga_chip_free(hdata->dma_bounce_buffer);
+				amiga_chip_free(wh->dma_bounce_buffer);
 			}
 
-			hdata->dma_bounce_buffer =
-				amiga_chip_alloc(hdata->dma_bounce_len,
+			wh->dma_bounce_buffer =
+				amiga_chip_alloc(wh->dma_bounce_len,
 						 "GVP II SCSI Bounce Buffer");
 
-			if (!hdata->dma_bounce_buffer) {
-				hdata->dma_bounce_len = 0;
+			if (!wh->dma_bounce_buffer) {
+				wh->dma_bounce_len = 0;
 				return 1;
 			}
 
-			addr = virt_to_bus(hdata->dma_bounce_buffer);
-			hdata->dma_buffer_pool = BUF_CHIP_ALLOCED;
+			addr = virt_to_bus(wh->dma_bounce_buffer);
+			wh->dma_buffer_pool = BUF_CHIP_ALLOCED;
 		}
 
 		if (!dir_in) {
 			/* copy to bounce buffer for a write */
-			memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+			memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr,
 			       cmd->SCp.this_residual);
 		}
 	}
@@ -111,7 +117,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 	if (!dir_in)
 		cntr |= GVP11_DMAC_DIR_WRITE;
 
-	hdata->dma_dir = dir_in;
+	wh->dma_dir = dir_in;
 	regs->CNTR = cntr;
 
 	/* setup DMA *physical* address */
@@ -125,7 +131,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		cache_push(addr, cmd->SCp.this_residual);
 	}
 
-	bank_mask = (~hdata->dma_xfer_mask >> 18) & 0x01c0;
+	bank_mask = (~wh->dma_xfer_mask >> 18) & 0x01c0;
 	if (bank_mask)
 		regs->BANK = bank_mask & (addr >> 18);
 
@@ -139,8 +145,9 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
-	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
-	struct WD33C93_hostdata *hdata = shost_priv(instance);
+	struct gvp11_hostdata *hdata = shost_priv(instance);
+	struct WD33C93_hostdata *wh = &hdata->wh;
+	struct gvp11_scsiregs *regs = hdata->regs;
 
 	/* stop DMA */
 	regs->SP_DMA = 1;
@@ -148,18 +155,18 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	regs->CNTR = GVP11_DMAC_INT_ENABLE;
 
 	/* copy from a bounce buffer, if necessary */
-	if (status && hdata->dma_bounce_buffer) {
-		if (hdata->dma_dir && SCpnt)
-			memcpy(SCpnt->SCp.ptr, hdata->dma_bounce_buffer,
+	if (status && wh->dma_bounce_buffer) {
+		if (wh->dma_dir && SCpnt)
+			memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer,
 			       SCpnt->SCp.this_residual);
 
-		if (hdata->dma_buffer_pool == BUF_SCSI_ALLOCED)
-			kfree(hdata->dma_bounce_buffer);
+		if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED)
+			kfree(wh->dma_bounce_buffer);
 		else
-			amiga_chip_free(hdata->dma_bounce_buffer);
+			amiga_chip_free(wh->dma_bounce_buffer);
 
-		hdata->dma_bounce_buffer = NULL;
-		hdata->dma_bounce_len = 0;
+		wh->dma_bounce_buffer = NULL;
+		wh->dma_bounce_len = 0;
 	}
 }
 
@@ -284,7 +291,7 @@ static int __devinit gvp11_probe(struct zorro_dev *z,
 	int error;
 	unsigned int epc;
 	unsigned int default_dma_xfer_mask;
-	struct WD33C93_hostdata *hdata;
+	struct gvp11_hostdata *hdata;
 	struct gvp11_scsiregs *regs;
 	wd33c93_regs wdregs;
 
@@ -309,13 +316,12 @@ static int __devinit gvp11_probe(struct zorro_dev *z,
 		goto fail_check_or_alloc;
 
 	instance = scsi_host_alloc(&gvp11_scsi_template,
-				   sizeof(struct WD33C93_hostdata));
+				   sizeof(struct gvp11_hostdata));
 	if (!instance) {
 		error = -ENOMEM;
 		goto fail_check_or_alloc;
 	}
 
-	instance->base = (unsigned long)regs;
 	instance->irq = IRQ_AMIGA_PORTS;
 	instance->unique_id = z->slotaddr;
 
@@ -332,13 +338,14 @@ static int __devinit gvp11_probe(struct zorro_dev *z,
 
 	hdata = shost_priv(instance);
 	if (gvp11_xfer_mask)
-		hdata->dma_xfer_mask = gvp11_xfer_mask;
+		hdata->wh.dma_xfer_mask = gvp11_xfer_mask;
 	else
-		hdata->dma_xfer_mask = default_dma_xfer_mask;
+		hdata->wh.dma_xfer_mask = default_dma_xfer_mask;
 
-	hdata->no_sync = 0xff;
-	hdata->fast = 0;
-	hdata->dma_mode = CTRL_DMA;
+	hdata->wh.no_sync = 0xff;
+	hdata->wh.fast = 0;
+	hdata->wh.dma_mode = CTRL_DMA;
+	hdata->regs = regs;
 
 	/*
 	 * Check for 14MHz SCSI clock
@@ -375,9 +382,9 @@ fail_check_or_alloc:
 static void __devexit gvp11_remove(struct zorro_dev *z)
 {
 	struct Scsi_Host *instance = zorro_get_drvdata(z);
-	struct gvp11_scsiregs *regs = (struct gvp11_scsiregs *)(instance->base);
+	struct gvp11_hostdata *hdata = shost_priv(instance);
 
-	regs->CNTR = 0;
+	hdata->regs->CNTR = 0;
 	scsi_remove_host(instance);
 	free_irq(IRQ_AMIGA_PORTS, instance);
 	scsi_host_put(instance);

From c2a24a4ca1137473971842461612e56a654e7edb Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 5 Apr 2009 13:02:45 +0200
Subject: [PATCH 3221/3638] m68k: amiga - A3000 SCSI platform device conversion

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/platform.c |  11 +++
 drivers/scsi/a3000.c       | 178 ++++++++++++++++++++++---------------
 2 files changed, 118 insertions(+), 71 deletions(-)

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index 38f18bf1473..df1fae3c372 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -58,6 +58,13 @@ subsys_initcall(amiga_init_bus);
 #endif /* CONFIG_ZORRO */
 
 
+static const struct resource a3000_scsi_resource __initconst = {
+	.start	= 0xdd0000,
+	.end	= 0xdd00ff,
+	.flags	= IORESOURCE_MEM,
+};
+
+
 static int __init amiga_init_devices(void)
 {
 	if (!MACH_IS_AMIGA)
@@ -77,6 +84,10 @@ static int __init amiga_init_devices(void)
 	if (AMIGAHW_PRESENT(AMI_FLOPPY))
 		platform_device_register_simple("amiga-floppy", -1, NULL, 0);
 
+	if (AMIGAHW_PRESENT(A3000_SCSI))
+		platform_device_register_simple("amiga-a3000-scsi", -1,
+						&a3000_scsi_resource, 1);
+
 	return 0;
 }
 
diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index 79a4a3c9747..7f09d89100a 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -1,28 +1,21 @@
 #include <linux/types.h>
 #include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
 
-#include <asm/setup.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/amigaints.h>
 #include <asm/amigahw.h>
-#include <asm/irq.h>
 
 #include "scsi.h"
-#include <scsi/scsi_host.h>
 #include "wd33c93.h"
 #include "a3000.h"
 
-#include <linux/stat.h>
-
-
-static int a3000_release(struct Scsi_Host *instance);
 
 static irqreturn_t a3000_intr(int irq, void *data)
 {
@@ -39,7 +32,7 @@ static irqreturn_t a3000_intr(int irq, void *data)
 		spin_unlock_irqrestore(instance->host_lock, flags);
 		return IRQ_HANDLED;
 	}
-	printk("Non-serviced A3000 SCSI-interrupt? ISTR = %02x\n", status);
+	pr_warning("Non-serviced A3000 SCSI-interrupt? ISTR = %02x\n", status);
 	return IRQ_NONE;
 }
 
@@ -162,71 +155,27 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	}
 }
 
-static int __init a3000_detect(struct scsi_host_template *tpnt)
-{
-	struct Scsi_Host *instance;
-	wd33c93_regs wdregs;
-	struct a3000_scsiregs *regs;
-	struct WD33C93_hostdata *hdata;
-
-	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
-		return 0;
-	if (!request_mem_region(0xDD0000, 256, "wd33c93"))
-		return 0;
-
-	tpnt->proc_name = "A3000";
-	tpnt->proc_info = &wd33c93_proc_info;
-
-	instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
-	if (instance == NULL)
-		goto fail_register;
-
-	instance->base = ZTWO_VADDR(0xDD0000);
-	instance->irq = IRQ_AMIGA_PORTS;
-	regs = (struct a3000_scsiregs *)(instance->base);
-	regs->DAWR = DAWR_A3000;
-	wdregs.SASR = &regs->SASR;
-	wdregs.SCMD = &regs->SCMD;
-	hdata = shost_priv(instance);
-	hdata->no_sync = 0xff;
-	hdata->fast = 0;
-	hdata->dma_mode = CTRL_DMA;
-	wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_12_15);
-	if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
-			instance))
-		goto fail_irq;
-	regs->CNTR = CNTR_PDMD | CNTR_INTEN;
-
-	return 1;
-
-fail_irq:
-	scsi_unregister(instance);
-fail_register:
-	release_mem_region(0xDD0000, 256);
-	return 0;
-}
-
 static int a3000_bus_reset(struct scsi_cmnd *cmd)
 {
+	struct Scsi_Host *instance = cmd->device->host;
+
 	/* FIXME perform bus-specific reset */
 
 	/* FIXME 2: kill this entire function, which should
 	   cause mid-layer to call wd33c93_host_reset anyway? */
 
-	spin_lock_irq(cmd->device->host->host_lock);
+	spin_lock_irq(instance->host_lock);
 	wd33c93_host_reset(cmd);
-	spin_unlock_irq(cmd->device->host->host_lock);
+	spin_unlock_irq(instance->host_lock);
 
 	return SUCCESS;
 }
 
-#define HOSTS_C
-
-static struct scsi_host_template driver_template = {
-	.proc_name		= "A3000",
+static struct scsi_host_template amiga_a3000_scsi_template = {
+	.module			= THIS_MODULE,
 	.name			= "Amiga 3000 built-in SCSI",
-	.detect			= a3000_detect,
-	.release		= a3000_release,
+	.proc_info		= wd33c93_proc_info,
+	.proc_name		= "A3000",
 	.queuecommand		= wd33c93_queuecommand,
 	.eh_abort_handler	= wd33c93_abort,
 	.eh_bus_reset_handler	= a3000_bus_reset,
@@ -238,17 +187,104 @@ static struct scsi_host_template driver_template = {
 	.use_clustering		= ENABLE_CLUSTERING
 };
 
-
-#include "scsi_module.c"
-
-static int a3000_release(struct Scsi_Host *instance)
+static int __init amiga_a3000_scsi_probe(struct platform_device *pdev)
 {
-	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
+	struct resource *res;
+	struct Scsi_Host *instance;
+	int error;
+	struct a3000_scsiregs *regs;
+	wd33c93_regs wdregs;
+	struct WD33C93_hostdata *hdata;
 
-	regs->CNTR = 0;
-	release_mem_region(0xDD0000, 256);
-	free_irq(IRQ_AMIGA_PORTS, a3000_intr);
-	return 1;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	if (!request_mem_region(res->start, resource_size(res), "wd33c93"))
+		return -EBUSY;
+
+	instance = scsi_host_alloc(&amiga_a3000_scsi_template,
+				   sizeof(struct WD33C93_hostdata));
+	if (!instance) {
+		error = -ENOMEM;
+		goto fail_alloc;
+	}
+
+	instance->base = ZTWO_VADDR(res->start);
+	instance->irq = IRQ_AMIGA_PORTS;
+
+	regs = (struct a3000_scsiregs *)(instance->base);
+	regs->DAWR = DAWR_A3000;
+
+	wdregs.SASR = &regs->SASR;
+	wdregs.SCMD = &regs->SCMD;
+
+	hdata = shost_priv(instance);
+	hdata->no_sync = 0xff;
+	hdata->fast = 0;
+	hdata->dma_mode = CTRL_DMA;
+
+	wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_12_15);
+	error = request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED,
+			    "A3000 SCSI", instance);
+	if (error)
+		goto fail_irq;
+
+	regs->CNTR = CNTR_PDMD | CNTR_INTEN;
+
+	error = scsi_add_host(instance, NULL);
+	if (error)
+		goto fail_host;
+
+	platform_set_drvdata(pdev, instance);
+
+	scsi_scan_host(instance);
+	return 0;
+
+fail_host:
+	free_irq(IRQ_AMIGA_PORTS, instance);
+fail_irq:
+	scsi_host_put(instance);
+fail_alloc:
+	release_mem_region(res->start, resource_size(res));
+	return error;
 }
 
+static int __exit amiga_a3000_scsi_remove(struct platform_device *pdev)
+{
+	struct Scsi_Host *instance = platform_get_drvdata(pdev);
+	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+	regs->CNTR = 0;
+	scsi_remove_host(instance);
+	free_irq(IRQ_AMIGA_PORTS, instance);
+	scsi_host_put(instance);
+	release_mem_region(res->start, resource_size(res));
+	return 0;
+}
+
+static struct platform_driver amiga_a3000_scsi_driver = {
+	.remove = __exit_p(amiga_a3000_scsi_remove),
+	.driver   = {
+		.name	= "amiga-a3000-scsi",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init amiga_a3000_scsi_init(void)
+{
+	return platform_driver_probe(&amiga_a3000_scsi_driver,
+				     amiga_a3000_scsi_probe);
+}
+module_init(amiga_a3000_scsi_init);
+
+static void __exit amiga_a3000_scsi_exit(void)
+{
+	platform_driver_unregister(&amiga_a3000_scsi_driver);
+}
+module_exit(amiga_a3000_scsi_exit);
+
+MODULE_DESCRIPTION("Amiga 3000 built-in SCSI");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-a3000-scsi");

From 2b21d5e47bb9b07f90cf213c885867cf11f99976 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Mon, 12 Apr 2010 21:55:15 +0200
Subject: [PATCH 3222/3638] m68k/scsi: a3000 - Do not use legacy Scsi_Host.base

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/scsi/a3000.c | 76 ++++++++++++++++++++++++--------------------
 1 file changed, 41 insertions(+), 35 deletions(-)

diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index 7f09d89100a..d9468027fb6 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -17,11 +17,16 @@
 #include "a3000.h"
 
 
+struct a3000_hostdata {
+	struct WD33C93_hostdata wh;
+	struct a3000_scsiregs *regs;
+};
+
 static irqreturn_t a3000_intr(int irq, void *data)
 {
 	struct Scsi_Host *instance = data;
-	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
-	unsigned int status = regs->ISTR;
+	struct a3000_hostdata *hdata = shost_priv(instance);
+	unsigned int status = hdata->regs->ISTR;
 	unsigned long flags;
 
 	if (!(status & ISTR_INT_P))
@@ -39,8 +44,9 @@ static irqreturn_t a3000_intr(int irq, void *data)
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
 	struct Scsi_Host *instance = cmd->device->host;
-	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
+	struct a3000_hostdata *hdata = shost_priv(instance);
+	struct WD33C93_hostdata *wh = &hdata->wh;
+	struct a3000_scsiregs *regs = hdata->regs;
 	unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
 	unsigned long addr = virt_to_bus(cmd->SCp.ptr);
 
@@ -51,23 +57,23 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 	 * buffer
 	 */
 	if (addr & A3000_XFER_MASK) {
-		hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
-		hdata->dma_bounce_buffer = kmalloc(hdata->dma_bounce_len,
-						   GFP_KERNEL);
+		wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
+		wh->dma_bounce_buffer = kmalloc(wh->dma_bounce_len,
+						GFP_KERNEL);
 
 		/* can't allocate memory; use PIO */
-		if (!hdata->dma_bounce_buffer) {
-			hdata->dma_bounce_len = 0;
+		if (!wh->dma_bounce_buffer) {
+			wh->dma_bounce_len = 0;
 			return 1;
 		}
 
 		if (!dir_in) {
 			/* copy to bounce buffer for a write */
-			memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+			memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr,
 			       cmd->SCp.this_residual);
 		}
 
-		addr = virt_to_bus(hdata->dma_bounce_buffer);
+		addr = virt_to_bus(wh->dma_bounce_buffer);
 	}
 
 	/* setup dma direction */
@@ -75,7 +81,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 		cntr |= CNTR_DDIR;
 
 	/* remember direction */
-	hdata->dma_dir = dir_in;
+	wh->dma_dir = dir_in;
 
 	regs->CNTR = cntr;
 
@@ -102,20 +108,21 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 		     int status)
 {
-	struct WD33C93_hostdata *hdata = shost_priv(instance);
-	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
+	struct a3000_hostdata *hdata = shost_priv(instance);
+	struct WD33C93_hostdata *wh = &hdata->wh;
+	struct a3000_scsiregs *regs = hdata->regs;
 
 	/* disable SCSI interrupts */
 	unsigned short cntr = CNTR_PDMD;
 
-	if (!hdata->dma_dir)
+	if (!wh->dma_dir)
 		cntr |= CNTR_DDIR;
 
 	regs->CNTR = cntr;
 	mb();			/* make sure CNTR is updated before next IO */
 
 	/* flush if we were reading */
-	if (hdata->dma_dir) {
+	if (wh->dma_dir) {
 		regs->FLUSH = 1;
 		mb();		/* don't allow prefetch */
 		while (!(regs->ISTR & ISTR_FE_FLG))
@@ -138,19 +145,18 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
 	mb();			/* make sure CNTR is updated before next IO */
 
 	/* copy from a bounce buffer, if necessary */
-	if (status && hdata->dma_bounce_buffer) {
+	if (status && wh->dma_bounce_buffer) {
 		if (SCpnt) {
-			if (hdata->dma_dir && SCpnt)
-				memcpy(SCpnt->SCp.ptr,
-				       hdata->dma_bounce_buffer,
+			if (wh->dma_dir && SCpnt)
+				memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer,
 				       SCpnt->SCp.this_residual);
-			kfree(hdata->dma_bounce_buffer);
-			hdata->dma_bounce_buffer = NULL;
-			hdata->dma_bounce_len = 0;
+			kfree(wh->dma_bounce_buffer);
+			wh->dma_bounce_buffer = NULL;
+			wh->dma_bounce_len = 0;
 		} else {
-			kfree(hdata->dma_bounce_buffer);
-			hdata->dma_bounce_buffer = NULL;
-			hdata->dma_bounce_len = 0;
+			kfree(wh->dma_bounce_buffer);
+			wh->dma_bounce_buffer = NULL;
+			wh->dma_bounce_len = 0;
 		}
 	}
 }
@@ -194,7 +200,7 @@ static int __init amiga_a3000_scsi_probe(struct platform_device *pdev)
 	int error;
 	struct a3000_scsiregs *regs;
 	wd33c93_regs wdregs;
-	struct WD33C93_hostdata *hdata;
+	struct a3000_hostdata *hdata;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
@@ -204,25 +210,25 @@ static int __init amiga_a3000_scsi_probe(struct platform_device *pdev)
 		return -EBUSY;
 
 	instance = scsi_host_alloc(&amiga_a3000_scsi_template,
-				   sizeof(struct WD33C93_hostdata));
+				   sizeof(struct a3000_hostdata));
 	if (!instance) {
 		error = -ENOMEM;
 		goto fail_alloc;
 	}
 
-	instance->base = ZTWO_VADDR(res->start);
 	instance->irq = IRQ_AMIGA_PORTS;
 
-	regs = (struct a3000_scsiregs *)(instance->base);
+	regs = (struct a3000_scsiregs *)ZTWO_VADDR(res->start);
 	regs->DAWR = DAWR_A3000;
 
 	wdregs.SASR = &regs->SASR;
 	wdregs.SCMD = &regs->SCMD;
 
 	hdata = shost_priv(instance);
-	hdata->no_sync = 0xff;
-	hdata->fast = 0;
-	hdata->dma_mode = CTRL_DMA;
+	hdata->wh.no_sync = 0xff;
+	hdata->wh.fast = 0;
+	hdata->wh.dma_mode = CTRL_DMA;
+	hdata->regs = regs;
 
 	wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_12_15);
 	error = request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED,
@@ -253,10 +259,10 @@ fail_alloc:
 static int __exit amiga_a3000_scsi_remove(struct platform_device *pdev)
 {
 	struct Scsi_Host *instance = platform_get_drvdata(pdev);
-	struct a3000_scsiregs *regs = (struct a3000_scsiregs *)(instance->base);
+	struct a3000_hostdata *hdata = shost_priv(instance);
 	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	regs->CNTR = 0;
+	hdata->regs->CNTR = 0;
 	scsi_remove_host(instance);
 	free_irq(IRQ_AMIGA_PORTS, instance);
 	scsi_host_put(instance);

From a24a6b22254bca8d54be6c8b7d8730d09f1058cc Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 5 Apr 2009 13:05:50 +0200
Subject: [PATCH 3223/3638] m68k: amiga - A4000T SCSI platform device
 conversion

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/platform.c |  11 ++++
 drivers/scsi/a4000t.c      | 101 +++++++++++++++++--------------------
 2 files changed, 57 insertions(+), 55 deletions(-)

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index df1fae3c372..027e4cae88f 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -65,6 +65,13 @@ static const struct resource a3000_scsi_resource __initconst = {
 };
 
 
+static const struct resource a4000t_scsi_resource __initconst = {
+	.start	= 0xdd0000,
+	.end	= 0xdd0fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+
 static int __init amiga_init_devices(void)
 {
 	if (!MACH_IS_AMIGA)
@@ -88,6 +95,10 @@ static int __init amiga_init_devices(void)
 		platform_device_register_simple("amiga-a3000-scsi", -1,
 						&a3000_scsi_resource, 1);
 
+	if (AMIGAHW_PRESENT(A4000_SCSI))
+		platform_device_register_simple("amiga-a4000t-scsi", -1,
+						&a4000t_scsi_resource, 1);
+
 	return 0;
 }
 
diff --git a/drivers/scsi/a4000t.c b/drivers/scsi/a4000t.c
index 11ae6be8aea..23c76f41883 100644
--- a/drivers/scsi/a4000t.c
+++ b/drivers/scsi/a4000t.c
@@ -20,10 +20,6 @@
 
 #include "53c700.h"
 
-MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / Kars de Jong <jongk@linux-m68k.org>");
-MODULE_DESCRIPTION("Amiga A4000T NCR53C710 driver");
-MODULE_LICENSE("GPL");
-
 
 static struct scsi_host_template a4000t_scsi_driver_template = {
 	.name		= "A4000T builtin SCSI",
@@ -32,30 +28,35 @@ static struct scsi_host_template a4000t_scsi_driver_template = {
 	.module		= THIS_MODULE,
 };
 
-static struct platform_device *a4000t_scsi_device;
 
-#define A4000T_SCSI_ADDR 0xdd0040
+#define A4000T_SCSI_OFFSET	0x40
 
-static int __devinit a4000t_probe(struct platform_device *dev)
+static int __init amiga_a4000t_scsi_probe(struct platform_device *pdev)
 {
-	struct Scsi_Host *host;
+	struct resource *res;
+	phys_addr_t scsi_addr;
 	struct NCR_700_Host_Parameters *hostdata;
+	struct Scsi_Host *host;
 
-	if (!(MACH_IS_AMIGA && AMIGAHW_PRESENT(A4000_SCSI)))
-		goto out;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
 
-	if (!request_mem_region(A4000T_SCSI_ADDR, 0x1000,
+	if (!request_mem_region(res->start, resource_size(res),
 				"A4000T builtin SCSI"))
-		goto out;
+		return -EBUSY;
 
-	hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
+	hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters),
+			   GFP_KERNEL);
 	if (!hostdata) {
-		printk(KERN_ERR "a4000t-scsi: Failed to allocate host data\n");
+		dev_err(&pdev->dev, "Failed to allocate host data\n");
 		goto out_release;
 	}
 
+	scsi_addr = res->start + A4000T_SCSI_OFFSET;
+
 	/* Fill in the required pieces of hostdata */
-	hostdata->base = (void __iomem *)ZTWO_VADDR(A4000T_SCSI_ADDR);
+	hostdata->base = (void __iomem *)ZTWO_VADDR(scsi_addr);
 	hostdata->clock = 50;
 	hostdata->chip710 = 1;
 	hostdata->dmode_extra = DMODE_FC2;
@@ -63,26 +64,25 @@ static int __devinit a4000t_probe(struct platform_device *dev)
 
 	/* and register the chip */
 	host = NCR_700_detect(&a4000t_scsi_driver_template, hostdata,
-			      &dev->dev);
+			      &pdev->dev);
 	if (!host) {
-		printk(KERN_ERR "a4000t-scsi: No host detected; "
-				"board configuration problem?\n");
+		dev_err(&pdev->dev,
+			"No host detected; board configuration problem?\n");
 		goto out_free;
 	}
 
 	host->this_id = 7;
-	host->base = A4000T_SCSI_ADDR;
+	host->base = scsi_addr;
 	host->irq = IRQ_AMIGA_PORTS;
 
 	if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "a4000t-scsi",
 			host)) {
-		printk(KERN_ERR "a4000t-scsi: request_irq failed\n");
+		dev_err(&pdev->dev, "request_irq failed\n");
 		goto out_put_host;
 	}
 
-	platform_set_drvdata(dev, host);
+	platform_set_drvdata(pdev, host);
 	scsi_scan_host(host);
-
 	return 0;
 
  out_put_host:
@@ -90,58 +90,49 @@ static int __devinit a4000t_probe(struct platform_device *dev)
  out_free:
 	kfree(hostdata);
  out_release:
-	release_mem_region(A4000T_SCSI_ADDR, 0x1000);
- out:
+	release_mem_region(res->start, resource_size(res));
 	return -ENODEV;
 }
 
-static __devexit int a4000t_device_remove(struct platform_device *dev)
+static int __exit amiga_a4000t_scsi_remove(struct platform_device *pdev)
 {
-	struct Scsi_Host *host = platform_get_drvdata(dev);
+	struct Scsi_Host *host = platform_get_drvdata(pdev);
 	struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
 	scsi_remove_host(host);
-
 	NCR_700_release(host);
 	kfree(hostdata);
 	free_irq(host->irq, host);
-	release_mem_region(A4000T_SCSI_ADDR, 0x1000);
-
+	release_mem_region(res->start, resource_size(res));
 	return 0;
 }
 
-static struct platform_driver a4000t_scsi_driver = {
-	.driver = {
-		.name           = "a4000t-scsi",
-		.owner          = THIS_MODULE,
+static struct platform_driver amiga_a4000t_scsi_driver = {
+	.remove = __exit_p(amiga_a4000t_scsi_remove),
+	.driver   = {
+		.name	= "amiga-a4000t-scsi",
+		.owner	= THIS_MODULE,
 	},
-	.probe          = a4000t_probe,
-	.remove         = __devexit_p(a4000t_device_remove),
 };
 
-static int __init a4000t_scsi_init(void)
+static int __init amiga_a4000t_scsi_init(void)
 {
-	int err;
-
-	err = platform_driver_register(&a4000t_scsi_driver);
-	if (err)
-		return err;
-
-	a4000t_scsi_device = platform_device_register_simple("a4000t-scsi",
-			-1, NULL, 0);
-	if (IS_ERR(a4000t_scsi_device)) {
-		platform_driver_unregister(&a4000t_scsi_driver);
-		return PTR_ERR(a4000t_scsi_device);
-	}
-
-	return err;
+	return platform_driver_probe(&amiga_a4000t_scsi_driver,
+				     amiga_a4000t_scsi_probe);
 }
 
-static void __exit a4000t_scsi_exit(void)
+module_init(amiga_a4000t_scsi_init);
+
+static void __exit amiga_a4000t_scsi_exit(void)
 {
-	platform_device_unregister(a4000t_scsi_device);
-	platform_driver_unregister(&a4000t_scsi_driver);
+	platform_driver_unregister(&amiga_a4000t_scsi_driver);
 }
 
-module_init(a4000t_scsi_init);
-module_exit(a4000t_scsi_exit);
+module_exit(amiga_a4000t_scsi_exit);
+
+MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / "
+	      "Kars de Jong <jongk@linux-m68k.org>");
+MODULE_DESCRIPTION("Amiga A4000T NCR53C710 driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-a4000t-scsi");

From 9aed2302655854586069d90e0d59ce3a0e12809d Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 8 Dec 2009 20:12:20 +0100
Subject: [PATCH 3224/3638] m68k: amiga - Amiga Gayle IDE platform device
 conversion

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/platform.c       |  63 ++++++++++++-
 arch/m68k/include/asm/amigayle.h |   6 ++
 drivers/ide/gayle.c              | 147 +++++++++++++++++--------------
 3 files changed, 150 insertions(+), 66 deletions(-)

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index 027e4cae88f..907f6f5f2ca 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -11,6 +11,7 @@
 #include <linux/zorro.h>
 
 #include <asm/amigahw.h>
+#include <asm/amigayle.h>
 
 
 #ifdef CONFIG_ZORRO
@@ -55,7 +56,24 @@ static int __init amiga_init_bus(void)
 
 subsys_initcall(amiga_init_bus);
 
-#endif /* CONFIG_ZORRO */
+
+static int z_dev_present(zorro_id id)
+{
+	unsigned int i;
+
+	for (i = 0; i < zorro_num_autocon; i++)
+		if (zorro_autocon[i].rom.er_Manufacturer == ZORRO_MANUF(id) &&
+		    zorro_autocon[i].rom.er_Product == ZORRO_PROD(id))
+			return 1;
+
+	return 0;
+}
+
+#else /* !CONFIG_ZORRO */
+
+static inline int z_dev_present(zorro_id id) { return 0; }
+
+#endif /* !CONFIG_ZORRO */
 
 
 static const struct resource a3000_scsi_resource __initconst = {
@@ -72,8 +90,36 @@ static const struct resource a4000t_scsi_resource __initconst = {
 };
 
 
+static const struct resource a1200_ide_resource __initconst = {
+	.start	= 0xda0000,
+	.end	= 0xda1fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static const struct gayle_ide_platform_data a1200_ide_pdata __initconst = {
+	.base		= 0xda0000,
+	.irqport	= 0xda9000,
+	.explicit_ack	= 1,
+};
+
+
+static const struct resource a4000_ide_resource __initconst = {
+	.start	= 0xdd2000,
+	.end	= 0xdd3fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = {
+	.base		= 0xdd2020,
+	.irqport	= 0xdd3020,
+	.explicit_ack	= 0,
+};
+
+
 static int __init amiga_init_devices(void)
 {
+	struct platform_device *pdev;
+
 	if (!MACH_IS_AMIGA)
 		return -ENODEV;
 
@@ -99,6 +145,21 @@ static int __init amiga_init_devices(void)
 		platform_device_register_simple("amiga-a4000t-scsi", -1,
 						&a4000t_scsi_resource, 1);
 
+	if (AMIGAHW_PRESENT(A1200_IDE) ||
+	    z_dev_present(ZORRO_PROD_MTEC_VIPER_MK_V_E_MATRIX_530_SCSI_IDE)) {
+		pdev = platform_device_register_simple("amiga-gayle-ide", -1,
+						       &a1200_ide_resource, 1);
+		platform_device_add_data(pdev, &a1200_ide_pdata,
+					 sizeof(a1200_ide_pdata));
+	}
+
+	if (AMIGAHW_PRESENT(A4000_IDE)) {
+		pdev = platform_device_register_simple("amiga-gayle-ide", -1,
+						       &a4000_ide_resource, 1);
+		platform_device_add_data(pdev, &a4000_ide_pdata,
+					 sizeof(a4000_ide_pdata));
+	}
+
 	return 0;
 }
 
diff --git a/arch/m68k/include/asm/amigayle.h b/arch/m68k/include/asm/amigayle.h
index bb5a6aa329f..a01453d9c23 100644
--- a/arch/m68k/include/asm/amigayle.h
+++ b/arch/m68k/include/asm/amigayle.h
@@ -104,4 +104,10 @@ struct GAYLE {
 #define GAYLE_CFG_250NS		0x00
 #define GAYLE_CFG_720NS		0x0c
 
+struct gayle_ide_platform_data {
+	unsigned long base;
+	unsigned long irqport;
+	int explicit_ack;	/* A1200 IDE needs explicit ack */
+};
+
 #endif /* asm-m68k/amigayle.h */
diff --git a/drivers/ide/gayle.c b/drivers/ide/gayle.c
index b9e517de6a8..3feaa26410b 100644
--- a/drivers/ide/gayle.c
+++ b/drivers/ide/gayle.c
@@ -16,6 +16,7 @@
 #include <linux/init.h>
 #include <linux/zorro.h>
 #include <linux/module.h>
+#include <linux/platform_device.h>
 
 #include <asm/setup.h>
 #include <asm/amigahw.h>
@@ -23,15 +24,6 @@
 #include <asm/amigayle.h>
 
 
-    /*
-     *  Bases of the IDE interfaces
-     */
-
-#define GAYLE_BASE_4000	0xdd2020	/* A4000/A4000T */
-#define GAYLE_BASE_1200	0xda0000	/* A1200/A600 and E-Matrix 530 */
-
-#define GAYLE_IDEREG_SIZE	0x2000
-
     /*
      *  Offsets from one of the above bases
      */
@@ -68,20 +60,20 @@ MODULE_PARM_DESC(doubler, "enable support for IDE doublers");
 
 static int gayle_test_irq(ide_hwif_t *hwif)
 {
-    unsigned char ch;
+	unsigned char ch;
 
-    ch = z_readb(hwif->io_ports.irq_addr);
-    if (!(ch & GAYLE_IRQ_IDE))
-	return 0;
-    return 1;
+	ch = z_readb(hwif->io_ports.irq_addr);
+	if (!(ch & GAYLE_IRQ_IDE))
+		return 0;
+	return 1;
 }
 
 static void gayle_a1200_clear_irq(ide_drive_t *drive)
 {
-    ide_hwif_t *hwif = drive->hwif;
+	ide_hwif_t *hwif = drive->hwif;
 
-    (void)z_readb(hwif->io_ports.status_addr);
-    z_writeb(0x7c, hwif->io_ports.irq_addr);
+	(void)z_readb(hwif->io_ports.status_addr);
+	z_writeb(0x7c, hwif->io_ports.irq_addr);
 }
 
 static void __init gayle_setup_ports(struct ide_hw *hw, unsigned long base,
@@ -122,64 +114,89 @@ static const struct ide_port_info gayle_port_info = {
      *  Probe for a Gayle IDE interface (and optionally for an IDE doubler)
      */
 
-static int __init gayle_init(void)
+static int __init amiga_gayle_ide_probe(struct platform_device *pdev)
 {
-    unsigned long phys_base, res_start, res_n;
-    unsigned long base, ctrlport, irqport;
-    int a4000, i, rc;
-    struct ide_hw hw[GAYLE_NUM_HWIFS], *hws[GAYLE_NUM_HWIFS];
-    struct ide_port_info d = gayle_port_info;
+	struct resource *res;
+	struct gayle_ide_platform_data *pdata;
+	unsigned long base, ctrlport, irqport;
+	unsigned int i;
+	int error;
+	struct ide_hw hw[GAYLE_NUM_HWIFS], *hws[GAYLE_NUM_HWIFS];
+	struct ide_port_info d = gayle_port_info;
+	struct ide_host *host;
 
-    if (!MACH_IS_AMIGA)
-	return -ENODEV;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
 
-    if ((a4000 = AMIGAHW_PRESENT(A4000_IDE)) || AMIGAHW_PRESENT(A1200_IDE))
-	goto found;
-
-#ifdef CONFIG_ZORRO
-    if (zorro_find_device(ZORRO_PROD_MTEC_VIPER_MK_V_E_MATRIX_530_SCSI_IDE,
-			  NULL))
-	goto found;
-#endif
-    return -ENODEV;
-
-found:
-	printk(KERN_INFO "ide: Gayle IDE controller (A%d style%s)\n",
-			 a4000 ? 4000 : 1200,
-			 ide_doubler ? ", IDE doubler" : "");
-
-	if (a4000) {
-	    phys_base = GAYLE_BASE_4000;
-	    irqport = (unsigned long)ZTWO_VADDR(GAYLE_IRQ_4000);
-	    d.port_ops = &gayle_a4000_port_ops;
-	} else {
-	    phys_base = GAYLE_BASE_1200;
-	    irqport = (unsigned long)ZTWO_VADDR(GAYLE_IRQ_1200);
-	    d.port_ops = &gayle_a1200_port_ops;
-	}
-
-	res_start = ((unsigned long)phys_base) & ~(GAYLE_NEXT_PORT-1);
-	res_n = GAYLE_IDEREG_SIZE;
-
-	if (!request_mem_region(res_start, res_n, "IDE"))
+	if (!request_mem_region(res->start, resource_size(res), "IDE"))
 		return -EBUSY;
 
-    for (i = 0; i < GAYLE_NUM_PROBE_HWIFS; i++) {
-	base = (unsigned long)ZTWO_VADDR(phys_base + i * GAYLE_NEXT_PORT);
-	ctrlport = GAYLE_HAS_CONTROL_REG ? (base + GAYLE_CONTROL) : 0;
+	pdata = pdev->dev.platform_data;
+	pr_info("ide: Gayle IDE controller (A%u style%s)\n",
+		pdata->explicit_ack ? 1200 : 4000,
+		ide_doubler ? ", IDE doubler" : "");
 
-	gayle_setup_ports(&hw[i], base, ctrlport, irqport);
+	base = (unsigned long)ZTWO_VADDR(pdata->base);
+	ctrlport = 0;
+	irqport = (unsigned long)ZTWO_VADDR(pdata->irqport);
+	if (pdata->explicit_ack)
+		d.port_ops = &gayle_a1200_port_ops;
+	else
+		d.port_ops = &gayle_a4000_port_ops;
 
-	hws[i] = &hw[i];
-    }
+	for (i = 0; i < GAYLE_NUM_PROBE_HWIFS; i++, base += GAYLE_NEXT_PORT) {
+		if (GAYLE_HAS_CONTROL_REG)
+			ctrlport = base + GAYLE_CONTROL;
 
-    rc = ide_host_add(&d, hws, i, NULL);
-    if (rc)
-	release_mem_region(res_start, res_n);
+		gayle_setup_ports(&hw[i], base, ctrlport, irqport);
+		hws[i] = &hw[i];
+	}
 
-    return rc;
+	error = ide_host_add(&d, hws, i, &host);
+	if (error)
+		goto out;
+
+	platform_set_drvdata(pdev, host);
+	return 0;
+
+out:
+	release_mem_region(res->start, resource_size(res));
+	return error;
 }
 
-module_init(gayle_init);
+static int __exit amiga_gayle_ide_remove(struct platform_device *pdev)
+{
+	struct ide_host *host = platform_get_drvdata(pdev);
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+	ide_host_remove(host);
+	release_mem_region(res->start, resource_size(res));
+	return 0;
+}
+
+static struct platform_driver amiga_gayle_ide_driver = {
+	.remove = __exit_p(amiga_gayle_ide_remove),
+	.driver   = {
+		.name	= "amiga-gayle-ide",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init amiga_gayle_ide_init(void)
+{
+	return platform_driver_probe(&amiga_gayle_ide_driver,
+				     amiga_gayle_ide_probe);
+}
+
+module_init(amiga_gayle_ide_init);
+
+static void __exit amiga_gayle_ide_exit(void)
+{
+	platform_driver_unregister(&amiga_gayle_ide_driver);
+}
+
+module_exit(amiga_gayle_ide_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-gayle-ide");

From 5121c7172d7d9bec33535e098c9487cf4e8186f2 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 5 Apr 2009 13:10:56 +0200
Subject: [PATCH 3225/3638] m68k: amiga - Keyboard platform device conversion

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/platform.c      |  5 ++
 drivers/input/keyboard/amikbd.c | 97 ++++++++++++++++++++-------------
 2 files changed, 63 insertions(+), 39 deletions(-)

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index 907f6f5f2ca..d427de23c02 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -160,6 +160,11 @@ static int __init amiga_init_devices(void)
 					 sizeof(a4000_ide_pdata));
 	}
 
+
+	/* other I/O hardware */
+	if (AMIGAHW_PRESENT(AMI_KEYBOARD))
+		platform_device_register_simple("amiga-keyboard", -1, NULL, 0);
+
 	return 0;
 }
 
diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c
index 35149ec455a..79172af164f 100644
--- a/drivers/input/keyboard/amikbd.c
+++ b/drivers/input/keyboard/amikbd.c
@@ -35,6 +35,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/keyboard.h>
+#include <linux/platform_device.h>
 
 #include <asm/amigaints.h>
 #include <asm/amigahw.h>
@@ -154,10 +155,9 @@ static const char *amikbd_messages[8] = {
 	[7] = KERN_WARNING "amikbd: keyboard interrupt\n"
 };
 
-static struct input_dev *amikbd_dev;
-
-static irqreturn_t amikbd_interrupt(int irq, void *dummy)
+static irqreturn_t amikbd_interrupt(int irq, void *data)
 {
+	struct input_dev *dev = data;
 	unsigned char scancode, down;
 
 	scancode = ~ciaa.sdr;		/* get and invert scancode (keyboard is active low) */
@@ -170,47 +170,42 @@ static irqreturn_t amikbd_interrupt(int irq, void *dummy)
 
 	if (scancode < 0x78) {		/* scancodes < 0x78 are keys */
 		if (scancode == 98) {	/* CapsLock is a toggle switch key on Amiga */
-			input_report_key(amikbd_dev, scancode, 1);
-			input_report_key(amikbd_dev, scancode, 0);
+			input_report_key(dev, scancode, 1);
+			input_report_key(dev, scancode, 0);
 		} else {
-			input_report_key(amikbd_dev, scancode, down);
+			input_report_key(dev, scancode, down);
 		}
 
-		input_sync(amikbd_dev);
+		input_sync(dev);
 	} else				/* scancodes >= 0x78 are error codes */
 		printk(amikbd_messages[scancode - 0x78]);
 
 	return IRQ_HANDLED;
 }
 
-static int __init amikbd_init(void)
+static int __init amikbd_probe(struct platform_device *pdev)
 {
+	struct input_dev *dev;
 	int i, j, err;
 
-	if (!AMIGAHW_PRESENT(AMI_KEYBOARD))
-		return -ENODEV;
-
-	if (!request_mem_region(CIAA_PHYSADDR-1+0xb00, 0x100, "amikeyb"))
-		return -EBUSY;
-
-	amikbd_dev = input_allocate_device();
-	if (!amikbd_dev) {
-		printk(KERN_ERR "amikbd: not enough memory for input device\n");
-		err = -ENOMEM;
-		goto fail1;
+	dev = input_allocate_device();
+	if (!dev) {
+		dev_err(&pdev->dev, "Not enough memory for input device\n");
+		return -ENOMEM;
 	}
 
-	amikbd_dev->name = "Amiga Keyboard";
-	amikbd_dev->phys = "amikbd/input0";
-	amikbd_dev->id.bustype = BUS_AMIGA;
-	amikbd_dev->id.vendor = 0x0001;
-	amikbd_dev->id.product = 0x0001;
-	amikbd_dev->id.version = 0x0100;
+	dev->name = pdev->name;
+	dev->phys = "amikbd/input0";
+	dev->id.bustype = BUS_AMIGA;
+	dev->id.vendor = 0x0001;
+	dev->id.product = 0x0001;
+	dev->id.version = 0x0100;
+	dev->dev.parent = &pdev->dev;
 
-	amikbd_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+	dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
 
 	for (i = 0; i < 0x78; i++)
-		set_bit(i, amikbd_dev->keybit);
+		set_bit(i, dev->keybit);
 
 	for (i = 0; i < MAX_NR_KEYMAPS; i++) {
 		static u_short temp_map[NR_KEYS] __initdata;
@@ -229,30 +224,54 @@ static int __init amikbd_init(void)
 		memcpy(key_maps[i], temp_map, sizeof(temp_map));
 	}
 	ciaa.cra &= ~0x41;	 /* serial data in, turn off TA */
-	if (request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd",
-			amikbd_interrupt)) {
-		err = -EBUSY;
+	err = request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd",
+			  dev);
+	if (err)
 		goto fail2;
-	}
 
-	err = input_register_device(amikbd_dev);
+	err = input_register_device(dev);
 	if (err)
 		goto fail3;
 
+	platform_set_drvdata(pdev, dev);
+
 	return 0;
 
- fail3:	free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt);
- fail2:	input_free_device(amikbd_dev);
- fail1:	release_mem_region(CIAA_PHYSADDR - 1 + 0xb00, 0x100);
+ fail3:	free_irq(IRQ_AMIGA_CIAA_SP, dev);
+ fail2:	input_free_device(dev);
 	return err;
 }
 
-static void __exit amikbd_exit(void)
+static int __exit amikbd_remove(struct platform_device *pdev)
 {
-	free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt);
-	input_unregister_device(amikbd_dev);
-	release_mem_region(CIAA_PHYSADDR - 1 + 0xb00, 0x100);
+	struct input_dev *dev = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+	free_irq(IRQ_AMIGA_CIAA_SP, dev);
+	input_unregister_device(dev);
+	return 0;
+}
+
+static struct platform_driver amikbd_driver = {
+	.remove = __exit_p(amikbd_remove),
+	.driver   = {
+		.name	= "amiga-keyboard",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init amikbd_init(void)
+{
+	return platform_driver_probe(&amikbd_driver, amikbd_probe);
 }
 
 module_init(amikbd_init);
+
+static void __exit amikbd_exit(void)
+{
+	platform_driver_unregister(&amikbd_driver);
+}
+
 module_exit(amikbd_exit);
+
+MODULE_ALIAS("platform:amiga-keyboard");

From 314c926f64b345f153b9180a2c79333657dbec48 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 5 Apr 2009 13:11:28 +0200
Subject: [PATCH 3226/3638] m68k: amiga - Mouse platform device conversion

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/platform.c     |  3 ++
 drivers/input/mouse/amimouse.c | 98 ++++++++++++++++++++++------------
 2 files changed, 66 insertions(+), 35 deletions(-)

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index d427de23c02..269bafc8da1 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -165,6 +165,9 @@ static int __init amiga_init_devices(void)
 	if (AMIGAHW_PRESENT(AMI_KEYBOARD))
 		platform_device_register_simple("amiga-keyboard", -1, NULL, 0);
 
+	if (AMIGAHW_PRESENT(AMI_MOUSE))
+		platform_device_register_simple("amiga-mouse", -1, NULL, 0);
+
 	return 0;
 }
 
diff --git a/drivers/input/mouse/amimouse.c b/drivers/input/mouse/amimouse.c
index a185ac78a42..ff5f61a0fd3 100644
--- a/drivers/input/mouse/amimouse.c
+++ b/drivers/input/mouse/amimouse.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
 
 #include <asm/irq.h>
 #include <asm/setup.h>
@@ -34,10 +35,10 @@ MODULE_DESCRIPTION("Amiga mouse driver");
 MODULE_LICENSE("GPL");
 
 static int amimouse_lastx, amimouse_lasty;
-static struct input_dev *amimouse_dev;
 
-static irqreturn_t amimouse_interrupt(int irq, void *dummy)
+static irqreturn_t amimouse_interrupt(int irq, void *data)
 {
+	struct input_dev *dev = data;
 	unsigned short joy0dat, potgor;
 	int nx, ny, dx, dy;
 
@@ -59,14 +60,14 @@ static irqreturn_t amimouse_interrupt(int irq, void *dummy)
 
 	potgor = amiga_custom.potgor;
 
-	input_report_rel(amimouse_dev, REL_X, dx);
-	input_report_rel(amimouse_dev, REL_Y, dy);
+	input_report_rel(dev, REL_X, dx);
+	input_report_rel(dev, REL_Y, dy);
 
-	input_report_key(amimouse_dev, BTN_LEFT,   ciaa.pra & 0x40);
-	input_report_key(amimouse_dev, BTN_MIDDLE, potgor & 0x0100);
-	input_report_key(amimouse_dev, BTN_RIGHT,  potgor & 0x0400);
+	input_report_key(dev, BTN_LEFT,   ciaa.pra & 0x40);
+	input_report_key(dev, BTN_MIDDLE, potgor & 0x0100);
+	input_report_key(dev, BTN_RIGHT,  potgor & 0x0400);
 
-	input_sync(amimouse_dev);
+	input_sync(dev);
 
 	return IRQ_HANDLED;
 }
@@ -74,63 +75,90 @@ static irqreturn_t amimouse_interrupt(int irq, void *dummy)
 static int amimouse_open(struct input_dev *dev)
 {
 	unsigned short joy0dat;
+	int error;
 
 	joy0dat = amiga_custom.joy0dat;
 
 	amimouse_lastx = joy0dat & 0xff;
 	amimouse_lasty = joy0dat >> 8;
 
-	if (request_irq(IRQ_AMIGA_VERTB, amimouse_interrupt, 0, "amimouse", amimouse_interrupt)) {
-                printk(KERN_ERR "amimouse.c: Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
-                return -EBUSY;
-        }
+	error = request_irq(IRQ_AMIGA_VERTB, amimouse_interrupt, 0, "amimouse",
+			    dev);
+	if (error)
+		dev_err(&dev->dev, "Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
 
-        return 0;
+	return error;
 }
 
 static void amimouse_close(struct input_dev *dev)
 {
-	free_irq(IRQ_AMIGA_VERTB, amimouse_interrupt);
+	free_irq(IRQ_AMIGA_VERTB, dev);
 }
 
-static int __init amimouse_init(void)
+static int __init amimouse_probe(struct platform_device *pdev)
 {
 	int err;
+	struct input_dev *dev;
 
-	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_MOUSE))
-		return -ENODEV;
-
-	amimouse_dev = input_allocate_device();
-	if (!amimouse_dev)
+	dev = input_allocate_device();
+	if (!dev)
 		return -ENOMEM;
 
-	amimouse_dev->name = "Amiga mouse";
-	amimouse_dev->phys = "amimouse/input0";
-	amimouse_dev->id.bustype = BUS_AMIGA;
-	amimouse_dev->id.vendor = 0x0001;
-	amimouse_dev->id.product = 0x0002;
-	amimouse_dev->id.version = 0x0100;
+	dev->name = pdev->name;
+	dev->phys = "amimouse/input0";
+	dev->id.bustype = BUS_AMIGA;
+	dev->id.vendor = 0x0001;
+	dev->id.product = 0x0002;
+	dev->id.version = 0x0100;
 
-	amimouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
-	amimouse_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
-	amimouse_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
+	dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
+	dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
+	dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
 		BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
-	amimouse_dev->open = amimouse_open;
-	amimouse_dev->close = amimouse_close;
+	dev->open = amimouse_open;
+	dev->close = amimouse_close;
+	dev->dev.parent = &pdev->dev;
 
-	err = input_register_device(amimouse_dev);
+	err = input_register_device(dev);
 	if (err) {
-		input_free_device(amimouse_dev);
+		input_free_device(dev);
 		return err;
 	}
 
+	platform_set_drvdata(pdev, dev);
+
 	return 0;
 }
 
-static void __exit amimouse_exit(void)
+static int __exit amimouse_remove(struct platform_device *pdev)
 {
-        input_unregister_device(amimouse_dev);
+	struct input_dev *dev = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+	input_unregister_device(dev);
+	return 0;
+}
+
+static struct platform_driver amimouse_driver = {
+	.remove = __exit_p(amimouse_remove),
+	.driver   = {
+		.name	= "amiga-mouse",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init amimouse_init(void)
+{
+	return platform_driver_probe(&amimouse_driver, amimouse_probe);
 }
 
 module_init(amimouse_init);
+
+static void __exit amimouse_exit(void)
+{
+	platform_driver_unregister(&amimouse_driver);
+}
+
 module_exit(amimouse_exit);
+
+MODULE_ALIAS("platform:amiga-mouse");

From 826e8c8c804e5a38586c6b48ef38d1e755789f0c Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 5 Apr 2009 13:12:30 +0200
Subject: [PATCH 3227/3638] m68k: amiga - Serial port platform device
 conversion

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/platform.c |  3 ++
 drivers/char/amiserial.c   | 61 ++++++++++++++++++++++----------------
 2 files changed, 38 insertions(+), 26 deletions(-)

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index 269bafc8da1..52aa62da852 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -168,6 +168,9 @@ static int __init amiga_init_devices(void)
 	if (AMIGAHW_PRESENT(AMI_MOUSE))
 		platform_device_register_simple("amiga-mouse", -1, NULL, 0);
 
+	if (AMIGAHW_PRESENT(AMI_SERIAL))
+		platform_device_register_simple("amiga-serial", -1, NULL, 0);
+
 	return 0;
 }
 
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 56b27671adc..4f8d60c25a9 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -84,6 +84,7 @@ static char *serial_version = "4.30";
 #include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/bitops.h>
+#include <linux/platform_device.h>
 
 #include <asm/setup.h>
 
@@ -1954,29 +1955,16 @@ static const struct tty_operations serial_ops = {
 /*
  * The serial driver boot-time initialization code!
  */
-static int __init rs_init(void)
+static int __init amiga_serial_probe(struct platform_device *pdev)
 {
 	unsigned long flags;
 	struct serial_state * state;
 	int error;
 
-	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_SERIAL))
-		return -ENODEV;
-
 	serial_driver = alloc_tty_driver(1);
 	if (!serial_driver)
 		return -ENOMEM;
 
-	/*
-	 *  We request SERDAT and SERPER only, because the serial registers are
-	 *  too spreaded over the custom register space
-	 */
-	if (!request_mem_region(CUSTOM_PHYSADDR+0x30, 4,
-				"amiserial [Paula]")) {
-		error = -EBUSY;
-		goto fail_put_tty_driver;
-	}
-
 	IRQ_ports = NULL;
 
 	show_serial_version();
@@ -1998,7 +1986,7 @@ static int __init rs_init(void)
 
 	error = tty_register_driver(serial_driver);
 	if (error)
-		goto fail_release_mem_region;
+		goto fail_put_tty_driver;
 
 	state = rs_table;
 	state->magic = SSTATE_MAGIC;
@@ -2050,23 +2038,24 @@ static int __init rs_init(void)
 	ciab.ddra |= (SER_DTR | SER_RTS);   /* outputs */
 	ciab.ddra &= ~(SER_DCD | SER_CTS | SER_DSR);  /* inputs */
 
+	platform_set_drvdata(pdev, state);
+
 	return 0;
 
 fail_free_irq:
 	free_irq(IRQ_AMIGA_TBE, state);
 fail_unregister:
 	tty_unregister_driver(serial_driver);
-fail_release_mem_region:
-	release_mem_region(CUSTOM_PHYSADDR+0x30, 4);
 fail_put_tty_driver:
 	put_tty_driver(serial_driver);
 	return error;
 }
 
-static __exit void rs_exit(void) 
+static int __exit amiga_serial_remove(struct platform_device *pdev)
 {
 	int error;
-	struct async_struct *info = rs_table[0].info;
+	struct serial_state *state = platform_get_drvdata(pdev);
+	struct async_struct *info = state->info;
 
 	/* printk("Unloading %s: version %s\n", serial_name, serial_version); */
 	tasklet_kill(&info->tlet);
@@ -2075,19 +2064,38 @@ static __exit void rs_exit(void)
 		       error);
 	put_tty_driver(serial_driver);
 
-	if (info) {
-	  rs_table[0].info = NULL;
-	  kfree(info);
-	}
+	rs_table[0].info = NULL;
+	kfree(info);
 
 	free_irq(IRQ_AMIGA_TBE, rs_table);
 	free_irq(IRQ_AMIGA_RBF, rs_table);
 
-	release_mem_region(CUSTOM_PHYSADDR+0x30, 4);
+	platform_set_drvdata(pdev, NULL);
+
+	return error;
 }
 
-module_init(rs_init)
-module_exit(rs_exit)
+static struct platform_driver amiga_serial_driver = {
+	.remove = __exit_p(amiga_serial_remove),
+	.driver   = {
+		.name	= "amiga-serial",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init amiga_serial_init(void)
+{
+	return platform_driver_probe(&amiga_serial_driver, amiga_serial_probe);
+}
+
+module_init(amiga_serial_init);
+
+static void __exit amiga_serial_exit(void)
+{
+	platform_driver_unregister(&amiga_serial_driver);
+}
+
+module_exit(amiga_serial_exit);
 
 
 #if defined(CONFIG_SERIAL_CONSOLE) && !defined(MODULE)
@@ -2154,3 +2162,4 @@ console_initcall(amiserial_console_init);
 #endif /* CONFIG_SERIAL_CONSOLE && !MODULE */
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-serial");

From 6f8221c26be5d80f749b1b6c2e7c8456fefb5250 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 5 Apr 2009 13:13:20 +0200
Subject: [PATCH 3228/3638] m68k: amiga - Parallel port platform device
 conversion

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/platform.c      |  3 ++
 drivers/parport/parport_amiga.c | 64 ++++++++++++++++++++-------------
 2 files changed, 43 insertions(+), 24 deletions(-)

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index 52aa62da852..c985db02950 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -171,6 +171,9 @@ static int __init amiga_init_devices(void)
 	if (AMIGAHW_PRESENT(AMI_SERIAL))
 		platform_device_register_simple("amiga-serial", -1, NULL, 0);
 
+	if (AMIGAHW_PRESENT(AMI_PARALLEL))
+		platform_device_register_simple("amiga-parallel", -1, NULL, 0);
+
 	return 0;
 }
 
diff --git a/drivers/parport/parport_amiga.c b/drivers/parport/parport_amiga.c
index 1586e1caa2f..8bef6d60f88 100644
--- a/drivers/parport/parport_amiga.c
+++ b/drivers/parport/parport_amiga.c
@@ -18,6 +18,8 @@
 #include <linux/parport.h>
 #include <linux/ioport.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
+
 #include <asm/setup.h>
 #include <asm/amigahw.h>
 #include <asm/irq.h>
@@ -31,7 +33,6 @@
 #define DPRINTK(x...)	do { } while (0)
 #endif
 
-static struct parport *this_port = NULL;
 
 static void amiga_write_data(struct parport *p, unsigned char data)
 {
@@ -227,18 +228,11 @@ static struct parport_operations pp_amiga_ops = {
 
 /* ----------- Initialisation code --------------------------------- */
 
-static int __init parport_amiga_init(void)
+static int __init amiga_parallel_probe(struct platform_device *pdev)
 {
 	struct parport *p;
 	int err;
 
-	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_PARALLEL))
-		return -ENODEV;
-
-	err = -EBUSY;
-	if (!request_mem_region(CIAA_PHYSADDR-1+0x100, 0x100, "parallel"))
-		goto out_mem;
-
 	ciaa.ddrb = 0xff;
 	ciab.ddra &= 0xf8;
 	mb();
@@ -246,41 +240,63 @@ static int __init parport_amiga_init(void)
 	p = parport_register_port((unsigned long)&ciaa.prb, IRQ_AMIGA_CIAA_FLG,
 				   PARPORT_DMA_NONE, &pp_amiga_ops);
 	if (!p)
-		goto out_port;
+		return -EBUSY;
 
-	err = request_irq(IRQ_AMIGA_CIAA_FLG, parport_irq_handler, 0, p->name, p);
+	err = request_irq(IRQ_AMIGA_CIAA_FLG, parport_irq_handler, 0, p->name,
+			  p);
 	if (err)
 		goto out_irq;
 
-	this_port = p;
 	printk(KERN_INFO "%s: Amiga built-in port using irq\n", p->name);
 	/* XXX: set operating mode */
 	parport_announce_port(p);
 
+	platform_set_drvdata(pdev, p);
+
 	return 0;
 
 out_irq:
 	parport_put_port(p);
-out_port:
-	release_mem_region(CIAA_PHYSADDR-1+0x100, 0x100);
-out_mem:
 	return err;
 }
 
-static void __exit parport_amiga_exit(void)
+static int __exit amiga_parallel_remove(struct platform_device *pdev)
 {
-	parport_remove_port(this_port);
-	if (this_port->irq != PARPORT_IRQ_NONE)
-		free_irq(IRQ_AMIGA_CIAA_FLG, this_port);
-	parport_put_port(this_port);
-	release_mem_region(CIAA_PHYSADDR-1+0x100, 0x100);
+	struct parport *port = platform_get_drvdata(pdev);
+
+	parport_remove_port(port);
+	if (port->irq != PARPORT_IRQ_NONE)
+		free_irq(IRQ_AMIGA_CIAA_FLG, port);
+	parport_put_port(port);
+	platform_set_drvdata(pdev, NULL);
+	return 0;
 }
 
+static struct platform_driver amiga_parallel_driver = {
+	.remove = __exit_p(amiga_parallel_remove),
+	.driver   = {
+		.name	= "amiga-parallel",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init amiga_parallel_init(void)
+{
+	return platform_driver_probe(&amiga_parallel_driver,
+				     amiga_parallel_probe);
+}
+
+module_init(amiga_parallel_init);
+
+static void __exit amiga_parallel_exit(void)
+{
+	platform_driver_unregister(&amiga_parallel_driver);
+}
+
+module_exit(amiga_parallel_exit);
 
 MODULE_AUTHOR("Joerg Dorchain <joerg@dorchain.net>");
 MODULE_DESCRIPTION("Parport Driver for Amiga builtin Port");
 MODULE_SUPPORTED_DEVICE("Amiga builtin Parallel Port");
 MODULE_LICENSE("GPL");
-
-module_init(parport_amiga_init)
-module_exit(parport_amiga_exit)
+MODULE_ALIAS("platform:amiga-parallel");

From 0779c862e43e052c58a350a8bd2bf97e6908de04 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 5 Apr 2009 13:15:10 +0200
Subject: [PATCH 3229/3638] m68k: amiga - RTC platform device conversion

The A2000 TOD is an Oki MSM6242B, while the A3000 TOD is a Ricoh RP5C01.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/config.c   | 174 -------------------------------------
 arch/m68k/amiga/platform.c |  17 ++++
 2 files changed, 17 insertions(+), 174 deletions(-)

diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index d2cc35d9853..b1577f741fa 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -97,10 +97,6 @@ static void amiga_get_model(char *model);
 static void amiga_get_hardware_list(struct seq_file *m);
 /* amiga specific timer functions */
 static unsigned long amiga_gettimeoffset(void);
-static int a3000_hwclk(int, struct rtc_time *);
-static int a2000_hwclk(int, struct rtc_time *);
-static int amiga_set_clock_mmss(unsigned long);
-static unsigned int amiga_get_ss(void);
 extern void amiga_mksound(unsigned int count, unsigned int ticks);
 static void amiga_reset(void);
 extern void amiga_init_sound(void);
@@ -138,10 +134,6 @@ static struct {
 	}
 };
 
-static struct resource rtc_resource = {
-	.start = 0x00dc0000, .end = 0x00dcffff
-};
-
 static struct resource ram_resource[NUM_MEMINFO];
 
 
@@ -387,15 +379,6 @@ void __init config_amiga(void)
 	mach_get_model       = amiga_get_model;
 	mach_get_hardware_list = amiga_get_hardware_list;
 	mach_gettimeoffset   = amiga_gettimeoffset;
-	if (AMIGAHW_PRESENT(A3000_CLK)) {
-		mach_hwclk         = a3000_hwclk;
-		rtc_resource.name = "A3000 RTC";
-		request_resource(&iomem_resource, &rtc_resource);
-	} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
-		mach_hwclk         = a2000_hwclk;
-		rtc_resource.name = "A2000 RTC";
-		request_resource(&iomem_resource, &rtc_resource);
-	}
 
 	/*
 	 * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI
@@ -404,8 +387,6 @@ void __init config_amiga(void)
 	 */
 	mach_max_dma_address = 0xffffffff;
 
-	mach_set_clock_mmss  = amiga_set_clock_mmss;
-	mach_get_ss          = amiga_get_ss;
 	mach_reset           = amiga_reset;
 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
 	mach_beep            = amiga_mksound;
@@ -530,161 +511,6 @@ static unsigned long amiga_gettimeoffset(void)
 	return ticks + offset;
 }
 
-static int a3000_hwclk(int op, struct rtc_time *t)
-{
-	tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
-
-	if (!op) { /* read */
-		t->tm_sec  = tod_3000.second1 * 10 + tod_3000.second2;
-		t->tm_min  = tod_3000.minute1 * 10 + tod_3000.minute2;
-		t->tm_hour = tod_3000.hour1   * 10 + tod_3000.hour2;
-		t->tm_mday = tod_3000.day1    * 10 + tod_3000.day2;
-		t->tm_wday = tod_3000.weekday;
-		t->tm_mon  = tod_3000.month1  * 10 + tod_3000.month2 - 1;
-		t->tm_year = tod_3000.year1   * 10 + tod_3000.year2;
-		if (t->tm_year <= 69)
-			t->tm_year += 100;
-	} else {
-		tod_3000.second1 = t->tm_sec / 10;
-		tod_3000.second2 = t->tm_sec % 10;
-		tod_3000.minute1 = t->tm_min / 10;
-		tod_3000.minute2 = t->tm_min % 10;
-		tod_3000.hour1   = t->tm_hour / 10;
-		tod_3000.hour2   = t->tm_hour % 10;
-		tod_3000.day1    = t->tm_mday / 10;
-		tod_3000.day2    = t->tm_mday % 10;
-		if (t->tm_wday != -1)
-			tod_3000.weekday = t->tm_wday;
-		tod_3000.month1  = (t->tm_mon + 1) / 10;
-		tod_3000.month2  = (t->tm_mon + 1) % 10;
-		if (t->tm_year >= 100)
-			t->tm_year -= 100;
-		tod_3000.year1   = t->tm_year / 10;
-		tod_3000.year2   = t->tm_year % 10;
-	}
-
-	tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
-
-	return 0;
-}
-
-static int a2000_hwclk(int op, struct rtc_time *t)
-{
-	int cnt = 5;
-
-	tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD;
-
-	while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) {
-		tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
-		udelay(70);
-		tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
-		--cnt;
-	}
-
-	if (!cnt)
-		printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n",
-			tod_2000.cntrl1);
-
-	if (!op) { /* read */
-		t->tm_sec  = tod_2000.second1     * 10 + tod_2000.second2;
-		t->tm_min  = tod_2000.minute1     * 10 + tod_2000.minute2;
-		t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2;
-		t->tm_mday = tod_2000.day1        * 10 + tod_2000.day2;
-		t->tm_wday = tod_2000.weekday;
-		t->tm_mon  = tod_2000.month1      * 10 + tod_2000.month2 - 1;
-		t->tm_year = tod_2000.year1       * 10 + tod_2000.year2;
-		if (t->tm_year <= 69)
-			t->tm_year += 100;
-
-		if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)) {
-			if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12)
-				t->tm_hour = 0;
-			else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12)
-				t->tm_hour += 12;
-		}
-	} else {
-		tod_2000.second1 = t->tm_sec / 10;
-		tod_2000.second2 = t->tm_sec % 10;
-		tod_2000.minute1 = t->tm_min / 10;
-		tod_2000.minute2 = t->tm_min % 10;
-		if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)
-			tod_2000.hour1 = t->tm_hour / 10;
-		else if (t->tm_hour >= 12)
-			tod_2000.hour1 = TOD2000_HOUR1_PM +
-				(t->tm_hour - 12) / 10;
-		else
-			tod_2000.hour1 = t->tm_hour / 10;
-		tod_2000.hour2   = t->tm_hour % 10;
-		tod_2000.day1    = t->tm_mday / 10;
-		tod_2000.day2    = t->tm_mday % 10;
-		if (t->tm_wday != -1)
-			tod_2000.weekday = t->tm_wday;
-		tod_2000.month1  = (t->tm_mon + 1) / 10;
-		tod_2000.month2  = (t->tm_mon + 1) % 10;
-		if (t->tm_year >= 100)
-			t->tm_year -= 100;
-		tod_2000.year1   = t->tm_year / 10;
-		tod_2000.year2   = t->tm_year % 10;
-	}
-
-	tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
-
-	return 0;
-}
-
-static int amiga_set_clock_mmss(unsigned long nowtime)
-{
-	short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
-
-	if (AMIGAHW_PRESENT(A3000_CLK)) {
-		tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
-
-		tod_3000.second1 = real_seconds / 10;
-		tod_3000.second2 = real_seconds % 10;
-		tod_3000.minute1 = real_minutes / 10;
-		tod_3000.minute2 = real_minutes % 10;
-
-		tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
-	} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
-		int cnt = 5;
-
-		tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
-
-		while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) {
-			tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
-			udelay(70);
-			tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
-			--cnt;
-		}
-
-		if (!cnt)
-			printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
-
-		tod_2000.second1 = real_seconds / 10;
-		tod_2000.second2 = real_seconds % 10;
-		tod_2000.minute1 = real_minutes / 10;
-		tod_2000.minute2 = real_minutes % 10;
-
-		tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
-	}
-
-	return 0;
-}
-
-static unsigned int amiga_get_ss(void)
-{
-	unsigned int s;
-
-	if (AMIGAHW_PRESENT(A3000_CLK)) {
-		tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
-		s = tod_3000.second1 * 10 + tod_3000.second2;
-		tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
-	} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
-		s = tod_2000.second1 * 10 + tod_2000.second2;
-	}
-	return s;
-}
-
 static NORET_TYPE void amiga_reset(void)
     ATTRIB_NORET;
 
diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index c985db02950..7fd8b41723e 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -116,6 +116,13 @@ static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = {
 };
 
 
+static const struct resource amiga_rtc_resource __initconst = {
+	.start	= 0x00dc0000,
+	.end	= 0x00dcffff,
+	.flags	= IORESOURCE_MEM,
+};
+
+
 static int __init amiga_init_devices(void)
 {
 	struct platform_device *pdev;
@@ -174,6 +181,16 @@ static int __init amiga_init_devices(void)
 	if (AMIGAHW_PRESENT(AMI_PARALLEL))
 		platform_device_register_simple("amiga-parallel", -1, NULL, 0);
 
+
+	/* real time clocks */
+	if (AMIGAHW_PRESENT(A2000_CLK))
+		platform_device_register_simple("rtc-msm6242", -1,
+						&amiga_rtc_resource, 1);
+
+	if (AMIGAHW_PRESENT(A3000_CLK))
+		platform_device_register_simple("rtc-rp5c01", -1,
+						&amiga_rtc_resource, 1);
+
 	return 0;
 }
 

From 20413f27163fb1b8b806c0c219dc95eae67c633a Mon Sep 17 00:00:00 2001
From: Xiaotian Feng <dfeng@redhat.com>
Date: Wed, 26 May 2010 09:51:10 +0800
Subject: [PATCH 3230/3638] x86, pat: Fix memory leak in free_memtype

Reserve_memtype will allocate memory for new memtype, but
in free_memtype, after the memtype erased from rbtree, the
memory is not freed.

Changes since V1:
	make rbt_memtype_erase return erased memtype so that
	it can be freed in free_memtype.

[ hpa: not for -stable: 2.6.34 and earlier not affected ]

Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
LKML-Reference: <1274838670-8731-1-git-send-email-dfeng@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Jack Steiner <steiner@sgi.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/mm/pat.c          | 10 +++++++---
 arch/x86/mm/pat_internal.h |  6 +++---
 arch/x86/mm/pat_rbtree.c   |  7 ++++---
 3 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index bbe5502ee1c..acc15b23b74 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -336,6 +336,7 @@ int free_memtype(u64 start, u64 end)
 {
 	int err = -EINVAL;
 	int is_range_ram;
+	struct memtype *entry;
 
 	if (!pat_enabled)
 		return 0;
@@ -355,17 +356,20 @@ int free_memtype(u64 start, u64 end)
 	}
 
 	spin_lock(&memtype_lock);
-	err = rbt_memtype_erase(start, end);
+	entry = rbt_memtype_erase(start, end);
 	spin_unlock(&memtype_lock);
 
-	if (err) {
+	if (!entry) {
 		printk(KERN_INFO "%s:%d freeing invalid memtype %Lx-%Lx\n",
 			current->comm, current->pid, start, end);
+		return -EINVAL;
 	}
 
+	kfree(entry);
+
 	dprintk("free_memtype request 0x%Lx-0x%Lx\n", start, end);
 
-	return err;
+	return 0;
 }
 
 
diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h
index 4f39eefa3e6..77e5ba153fa 100644
--- a/arch/x86/mm/pat_internal.h
+++ b/arch/x86/mm/pat_internal.h
@@ -28,15 +28,15 @@ static inline char *cattr_name(unsigned long flags)
 #ifdef CONFIG_X86_PAT
 extern int rbt_memtype_check_insert(struct memtype *new,
 					unsigned long *new_type);
-extern int rbt_memtype_erase(u64 start, u64 end);
+extern struct memtype *rbt_memtype_erase(u64 start, u64 end);
 extern struct memtype *rbt_memtype_lookup(u64 addr);
 extern int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos);
 #else
 static inline int rbt_memtype_check_insert(struct memtype *new,
 					unsigned long *new_type)
 { return 0; }
-static inline int rbt_memtype_erase(u64 start, u64 end)
-{ return 0; }
+static inline struct memtype *rbt_memtype_erase(u64 start, u64 end)
+{ return NULL; }
 static inline struct memtype *rbt_memtype_lookup(u64 addr)
 { return NULL; }
 static inline int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos)
diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c
index 07de4cb8cc3..f537087bb74 100644
--- a/arch/x86/mm/pat_rbtree.c
+++ b/arch/x86/mm/pat_rbtree.c
@@ -231,16 +231,17 @@ int rbt_memtype_check_insert(struct memtype *new, unsigned long *ret_type)
 	return err;
 }
 
-int rbt_memtype_erase(u64 start, u64 end)
+struct memtype *rbt_memtype_erase(u64 start, u64 end)
 {
 	struct memtype *data;
 
 	data = memtype_rb_exact_match(&memtype_rbroot, start, end);
 	if (!data)
-		return -EINVAL;
+		goto out;
 
 	rb_erase(&data->rb, &memtype_rbroot);
-	return 0;
+out:
+	return data;
 }
 
 struct memtype *rbt_memtype_lookup(u64 addr)

From f27ec1d6db4aa3348ca7be896f1466599aecea3e Mon Sep 17 00:00:00 2001
From: Roland Dreier <rolandd@cisco.com>
Date: Wed, 26 May 2010 13:15:06 -0700
Subject: [PATCH 3231/3638] IB/qib: Don't rely on (undefined) order of function
 parameter evaluation

Some of the qib sysfs code passes a buffer pointer into
simple_read_from_buffer() but relies on a function call in another
parameter of the same call to initialize that pointer.  Since the order
of evaluation of function parameters is undefined, this will break if
gcc chooses the wrong order.

Fix this by splitting the code into two separate function calls.

This was noticed because of warnings like the following on ppc:

    drivers/infiniband/hw/qib/qib_fs.c: In function 'portcntrs_2_read':
    drivers/infiniband/hw/qib/qib_fs.c:203: warning: 'counters' is used uninitialized in this function

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/qib/qib_fs.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index 755470440ef..edef8527eb3 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -144,10 +144,11 @@ static ssize_t dev_counters_read(struct file *file, char __user *buf,
 				 size_t count, loff_t *ppos)
 {
 	u64 *counters;
+	size_t avail;
 	struct qib_devdata *dd = private2dd(file);
 
-	return simple_read_from_buffer(buf, count, ppos, counters,
-		dd->f_read_cntrs(dd, *ppos, NULL, &counters));
+	avail = dd->f_read_cntrs(dd, *ppos, NULL, &counters);
+	return simple_read_from_buffer(buf, count, ppos, counters, avail);
 }
 
 /* read the per-device counters */
@@ -155,10 +156,11 @@ static ssize_t dev_names_read(struct file *file, char __user *buf,
 			      size_t count, loff_t *ppos)
 {
 	char *names;
+	size_t avail;
 	struct qib_devdata *dd = private2dd(file);
 
-	return simple_read_from_buffer(buf, count, ppos, names,
-		dd->f_read_cntrs(dd, *ppos, &names, NULL));
+	avail = dd->f_read_cntrs(dd, *ppos, &names, NULL);
+	return simple_read_from_buffer(buf, count, ppos, names, avail);
 }
 
 static const struct file_operations cntr_ops[] = {
@@ -176,10 +178,11 @@ static ssize_t portnames_read(struct file *file, char __user *buf,
 			      size_t count, loff_t *ppos)
 {
 	char *names;
+	size_t avail;
 	struct qib_devdata *dd = private2dd(file);
 
-	return simple_read_from_buffer(buf, count, ppos, names,
-		dd->f_read_portcntrs(dd, *ppos, 0, &names, NULL));
+	avail = dd->f_read_portcntrs(dd, *ppos, 0, &names, NULL);
+	return simple_read_from_buffer(buf, count, ppos, names, avail);
 }
 
 /* read the per-port counters for port 1 (pidx 0) */
@@ -187,10 +190,11 @@ static ssize_t portcntrs_1_read(struct file *file, char __user *buf,
 				size_t count, loff_t *ppos)
 {
 	u64 *counters;
+	size_t avail;
 	struct qib_devdata *dd = private2dd(file);
 
-	return simple_read_from_buffer(buf, count, ppos, counters,
-		dd->f_read_portcntrs(dd, *ppos, 0, NULL, &counters));
+	avail = dd->f_read_portcntrs(dd, *ppos, 0, NULL, &counters);
+	return simple_read_from_buffer(buf, count, ppos, counters, avail);
 }
 
 /* read the per-port counters for port 2 (pidx 1) */
@@ -198,10 +202,11 @@ static ssize_t portcntrs_2_read(struct file *file, char __user *buf,
 				size_t count, loff_t *ppos)
 {
 	u64 *counters;
+	size_t avail;
 	struct qib_devdata *dd = private2dd(file);
 
-	return simple_read_from_buffer(buf, count, ppos, counters,
-		dd->f_read_portcntrs(dd, *ppos, 1, NULL, &counters));
+	avail = dd->f_read_portcntrs(dd, *ppos, 1, NULL, &counters);
+	return simple_read_from_buffer(buf, count, ppos, counters, avail);
 }
 
 static const struct file_operations portcntr_ops[] = {

From 1ef6acf597559fd1c244190512144c40619299bf Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 23:26:17 +0200
Subject: [PATCH 3232/3638] [S390] cmm: fix crash on module unload

There might be a scheduled cmm_timer if the cmm module gets unloaded.
That timer was not deleted during module unload and thus could lead
to system crash later on.
Besides that reorder function calls in module init and exit code to
avoid a couple of other races which could lead to accesses to
uninitialized data.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/mm/cmm.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index f87b34731e1..c17352634a4 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -53,8 +53,8 @@ static struct cmm_page_array *cmm_timed_page_list;
 static DEFINE_SPINLOCK(cmm_lock);
 
 static struct task_struct *cmm_thread_ptr;
-static wait_queue_head_t cmm_thread_wait;
-static struct timer_list cmm_timer;
+static DECLARE_WAIT_QUEUE_HEAD(cmm_thread_wait);
+static DEFINE_TIMER(cmm_timer, NULL, 0, 0);
 
 static void cmm_timer_fn(unsigned long);
 static void cmm_set_timer(void);
@@ -466,8 +466,6 @@ cmm_init (void)
 	rc = register_pm_notifier(&cmm_power_notifier);
 	if (rc)
 		goto out_pm;
-	init_waitqueue_head(&cmm_thread_wait);
-	init_timer(&cmm_timer);
 	cmm_thread_ptr = kthread_run(cmm_thread, NULL, "cmmthread");
 	rc = IS_ERR(cmm_thread_ptr) ? PTR_ERR(cmm_thread_ptr) : 0;
 	if (rc)
@@ -487,23 +485,25 @@ out_smsg:
 	unregister_sysctl_table(cmm_sysctl_header);
 out_sysctl:
 #endif
+	del_timer_sync(&cmm_timer);
 	return rc;
 }
 
 static void
 cmm_exit(void)
 {
-	kthread_stop(cmm_thread_ptr);
-	unregister_pm_notifier(&cmm_power_notifier);
-	unregister_oom_notifier(&cmm_oom_nb);
-	cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list);
-	cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list);
 #ifdef CONFIG_CMM_PROC
 	unregister_sysctl_table(cmm_sysctl_header);
 #endif
 #ifdef CONFIG_CMM_IUCV
 	smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target);
 #endif
+	unregister_pm_notifier(&cmm_power_notifier);
+	unregister_oom_notifier(&cmm_oom_nb);
+	kthread_stop(cmm_thread_ptr);
+	del_timer_sync(&cmm_timer);
+	cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list);
+	cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list);
 }
 
 module_init(cmm_init);

From 2ddb3ec41495c2f4535d1e72e21e25870117f848 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 23:26:18 +0200
Subject: [PATCH 3233/3638] [S390] atomic: implement atomic64_dec_if_positive

Implement atomic64_dec_if_positive and add missing system.h header
include.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/atomic.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 451bfbb9db3..76daea11718 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -15,6 +15,7 @@
 
 #include <linux/compiler.h>
 #include <linux/types.h>
+#include <asm/system.h>
 
 #define ATOMIC_INIT(i)  { (i) }
 
@@ -274,6 +275,7 @@ static inline void atomic64_clear_mask(unsigned long long mask, atomic64_t *v)
 static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u)
 {
 	long long c, old;
+
 	c = atomic64_read(v);
 	for (;;) {
 		if (unlikely(c == u))
@@ -286,6 +288,23 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u)
 	return c != u;
 }
 
+static inline long long atomic64_dec_if_positive(atomic64_t *v)
+{
+	long long c, old, dec;
+
+	c = atomic64_read(v);
+	for (;;) {
+		dec = c - 1;
+		if (unlikely(dec < 0))
+			break;
+		old = atomic64_cmpxchg((v), c, dec);
+		if (likely(old == c))
+			break;
+		c = old;
+	}
+	return dec;
+}
+
 #define atomic64_add(_i, _v)		atomic64_add_return(_i, _v)
 #define atomic64_add_negative(_i, _v)	(atomic64_add_return(_i, _v) < 0)
 #define atomic64_inc(_v)		atomic64_add_return(1, _v)

From 215b3096371907e5d866bb219be7ef3d5ce6c083 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 23:26:19 +0200
Subject: [PATCH 3234/3638] [S390] spp: fix compilation for CONFIG_32BIT

Fix build breakage for CONFIG_32BIT caused by cd3b70f5
"[S390] virtualization aware cpu measurement"

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/asm-offsets.c | 4 ++--
 arch/s390/kernel/setup.c       | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index d9b490a2716..5232278d79a 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -132,8 +132,6 @@ int main(void)
 	DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
 	DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
 	DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
-	DEFINE(__LC_SIE_HOOK, offsetof(struct _lowcore, sie_hook));
-	DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
 	DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
 	DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
 	DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
@@ -154,6 +152,8 @@ int main(void)
 	DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
 	DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
 	DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
+	DEFINE(__LC_SIE_HOOK, offsetof(struct _lowcore, sie_hook));
+	DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
 #endif /* CONFIG_32BIT */
 	return 0;
 }
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 7d893248d26..c8e8e1354e1 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -401,7 +401,6 @@ setup_lowcore(void)
 	lc->io_new_psw.mask = psw_kernel_bits;
 	lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler;
 	lc->clock_comparator = -1ULL;
-	lc->cmf_hpp = -1ULL;
 	lc->kernel_stack = ((unsigned long) &init_thread_union) + THREAD_SIZE;
 	lc->async_stack = (unsigned long)
 		__alloc_bootmem(ASYNC_SIZE, ASYNC_SIZE, 0) + ASYNC_SIZE;
@@ -418,6 +417,7 @@ setup_lowcore(void)
 		__ctl_set_bit(14, 29);
 	}
 #else
+	lc->cmf_hpp = -1ULL;
 	lc->vdso_per_cpu_data = (unsigned long) &lc->paste[0];
 #endif
 	lc->sync_enter_timer = S390_lowcore.sync_enter_timer;

From bac9f154acd175afdf702cb7d7f5de1254b4b119 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 23:26:20 +0200
Subject: [PATCH 3235/3638] [S390] kprobes: forbid probing of stnsm/stosm/epsw

The probed instructions will be executed in a single stepped and irq
disabled context. Therefore the results of stnsm, stosm and epsw would
be wrong if probed.
So let's just disallow probing of these functions. If really needed a
fixup could be written for each of them, but I doubt it's worth it.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/kprobes.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 3d34eef5a2c..2a3d2bf6f08 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -63,6 +63,8 @@ int __kprobes is_prohibited_opcode(kprobe_opcode_t *instruction)
 	case 0x0b:	/* bsm	 */
 	case 0x83:	/* diag  */
 	case 0x44:	/* ex	 */
+	case 0xac:	/* stnsm */
+	case 0xad:	/* stosm */
 		return -EINVAL;
 	}
 	switch (*(__u16 *) instruction) {
@@ -72,6 +74,7 @@ int __kprobes is_prohibited_opcode(kprobe_opcode_t *instruction)
 	case 0xb258:	/* bsg	 */
 	case 0xb218:	/* pc	 */
 	case 0xb228:	/* pt	 */
+	case 0xb98d:	/* epsw	 */
 		return -EINVAL;
 	}
 	return 0;

From 2ffbb3f61e5b2648128f82fe7e506290702a9215 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 23:26:21 +0200
Subject: [PATCH 3236/3638] [S390] spp: remove KVM_AWARE_CMF config option

This config option enables or disables three single instructions
which aren't expensive. This is too fine grained.
Besided that everybody who uses kvm would enable it anyway in order
to debug performance problems.
Just remove it.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/entry64.S |  2 +-
 arch/s390/kvm/Kconfig      | 11 -----------
 arch/s390/kvm/sie64a.S     |  4 +---
 3 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 178d92536d9..e7192e1cb67 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -65,7 +65,7 @@ _TIF_SYSCALL = (_TIF_SYSCALL_TRACE>>8 | _TIF_SYSCALL_AUDIT>>8 | \
 	ltgr	%r3,%r3
 	jz	0f
 	basr	%r14,%r3
-	0:
+0:
 #endif
 	.endm
 
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
index 2f4b687cc7f..a7251580891 100644
--- a/arch/s390/kvm/Kconfig
+++ b/arch/s390/kvm/Kconfig
@@ -33,17 +33,6 @@ config KVM
 
 	  If unsure, say N.
 
-config KVM_AWARE_CMF
-	depends on KVM
-	bool "KVM aware sampling"
-	---help---
-	  This option enhances the sampling data from the CPU Measurement
-	  Facility with additional information, that allows to distinguish
-	  guest(s) and host when using the kernel based virtual machine
-	  functionality.
-
-	  If unsure, say N.
-
 # OK, it's a little counter-intuitive to do this, but it puts it neatly under
 # the virtualization menu.
 source drivers/vhost/Kconfig
diff --git a/arch/s390/kvm/sie64a.S b/arch/s390/kvm/sie64a.S
index 31646bd0e46..7e9d30d567b 100644
--- a/arch/s390/kvm/sie64a.S
+++ b/arch/s390/kvm/sie64a.S
@@ -32,12 +32,10 @@ SPI_PSW  = STACK_FRAME_OVERHEAD + __PT_PSW
 
 
 	.macro SPP newpp
-#ifdef CONFIG_KVM_AWARE_CMF
 	tm	__LC_MACHINE_FLAGS+6,0x20	# MACHINE_FLAG_SPP
 	jz	0f
 	.insn	s,0xb2800000,\newpp
-	0:
-#endif
+0:
 	.endm
 
 sie_irq_handler:

From a65a3e82b5b5f8f70cc0d51498441585d5b381f1 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Wed, 26 May 2010 23:27:06 +0200
Subject: [PATCH 3237/3638] [S390] cio: remove stsch

Since 8821d24cd261aede9b0436cd3252b17a60ccc33a we no longer
use the plain stsch inline function but the one which can
handle exceptions. Remove the unused function.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/cio/ioasm.h | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h
index 75926279263..fac06155773 100644
--- a/drivers/s390/cio/ioasm.h
+++ b/drivers/s390/cio/ioasm.h
@@ -23,21 +23,6 @@ struct tpi_info {
  * Some S390 specific IO instructions as inline
  */
 
-static inline int stsch(struct subchannel_id schid, struct schib *addr)
-{
-	register struct subchannel_id reg1 asm ("1") = schid;
-	int ccode;
-
-	asm volatile(
-		"	stsch	0(%3)\n"
-		"	ipm	%0\n"
-		"	srl	%0,28"
-		: "=d" (ccode), "=m" (*addr)
-		: "d" (reg1), "a" (addr)
-		: "cc");
-	return ccode;
-}
-
 static inline int stsch_err(struct subchannel_id schid, struct schib *addr)
 {
 	register struct subchannel_id reg1 asm ("1") = schid;

From c560d105a197464603247bf55962fc7f23c8cb62 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Wed, 26 May 2010 23:27:07 +0200
Subject: [PATCH 3238/3638] [S390] ccwgroup: add locking around drvdata access

Several processes may concurrently try to create a group device
from the same ccw_device(s). Add locking arround the drvdata
access to prevent race conditions.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/cio/ccwgroup.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 5f97ea2ee6b..97b25d68e3e 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -123,8 +123,10 @@ ccwgroup_release (struct device *dev)
 
 	for (i = 0; i < gdev->count; i++) {
 		if (gdev->cdev[i]) {
+			spin_lock_irq(gdev->cdev[i]->ccwlock);
 			if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
 				dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
+			spin_unlock_irq(gdev->cdev[i]->ccwlock);
 			put_device(&gdev->cdev[i]->dev);
 		}
 	}
@@ -262,11 +264,14 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
 			goto error;
 		}
 		/* Don't allow a device to belong to more than one group. */
+		spin_lock_irq(gdev->cdev[i]->ccwlock);
 		if (dev_get_drvdata(&gdev->cdev[i]->dev)) {
+			spin_unlock_irq(gdev->cdev[i]->ccwlock);
 			rc = -EINVAL;
 			goto error;
 		}
 		dev_set_drvdata(&gdev->cdev[i]->dev, gdev);
+		spin_unlock_irq(gdev->cdev[i]->ccwlock);
 	}
 	/* Check for sufficient number of bus ids. */
 	if (i < num_devices && !curr_buf) {
@@ -303,8 +308,10 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
 error:
 	for (i = 0; i < num_devices; i++)
 		if (gdev->cdev[i]) {
+			spin_lock_irq(gdev->cdev[i]->ccwlock);
 			if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
 				dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
+			spin_unlock_irq(gdev->cdev[i]->ccwlock);
 			put_device(&gdev->cdev[i]->dev);
 			gdev->cdev[i] = NULL;
 		}

From 094f2100d6bb16ef0c4f82167cc55173ca22ee93 Mon Sep 17 00:00:00 2001
From: Michael Ernst <mernst@de.ibm.com>
Date: Wed, 26 May 2010 23:27:08 +0200
Subject: [PATCH 3239/3638] [S390] cio: unit check handling during internal I/O

Send unit checks that occur during internal I/O to the device driver
and react according to its return code.

Signed-off-by: Michael Ernst <mernst@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/ccwdev.h | 10 ++++++++++
 drivers/s390/cio/ccwreq.c      | 15 +++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index f4bd346a52d..1c0030f9b89 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -91,6 +91,14 @@ struct ccw_device {
 	void (*handler) (struct ccw_device *, unsigned long, struct irb *);
 };
 
+/*
+ * Possible CIO actions triggered by the unit check handler.
+ */
+enum uc_todo {
+	UC_TODO_RETRY,
+	UC_TODO_RETRY_ON_NEW_PATH,
+	UC_TODO_STOP
+};
 
 /**
  * struct ccw driver - device driver for channel attached devices
@@ -107,6 +115,7 @@ struct ccw_device {
  * @freeze: callback for freezing during hibernation snapshotting
  * @thaw: undo work done in @freeze
  * @restore: callback for restoring after hibernation
+ * @uc_handler: callback for unit check handler
  * @driver: embedded device driver structure
  * @name: device driver name
  */
@@ -124,6 +133,7 @@ struct ccw_driver {
 	int (*freeze)(struct ccw_device *);
 	int (*thaw) (struct ccw_device *);
 	int (*restore)(struct ccw_device *);
+	enum uc_todo (*uc_handler) (struct ccw_device *, struct irb *);
 	struct device_driver driver;
 	char *name;
 };
diff --git a/drivers/s390/cio/ccwreq.c b/drivers/s390/cio/ccwreq.c
index 37df42af05e..7f206ed44fd 100644
--- a/drivers/s390/cio/ccwreq.c
+++ b/drivers/s390/cio/ccwreq.c
@@ -159,6 +159,7 @@ static enum io_status ccwreq_status(struct ccw_device *cdev, struct irb *lcirb)
 {
 	struct irb *irb = &cdev->private->irb;
 	struct cmd_scsw *scsw = &irb->scsw.cmd;
+	enum uc_todo todo;
 
 	/* Perform BASIC SENSE if needed. */
 	if (ccw_device_accumulate_and_sense(cdev, lcirb))
@@ -178,6 +179,20 @@ static enum io_status ccwreq_status(struct ccw_device *cdev, struct irb *lcirb)
 		/* Check for command reject. */
 		if (irb->ecw[0] & SNS0_CMD_REJECT)
 			return IO_REJECTED;
+		/* Ask the driver what to do */
+		if (cdev->drv && cdev->drv->uc_handler) {
+			todo = cdev->drv->uc_handler(cdev, lcirb);
+			switch (todo) {
+			case UC_TODO_RETRY:
+				return IO_STATUS_ERROR;
+			case UC_TODO_RETRY_ON_NEW_PATH:
+				return IO_PATH_ERROR;
+			case UC_TODO_STOP:
+				return IO_REJECTED;
+			default:
+				return IO_STATUS_ERROR;
+			}
+		}
 		/* Assume that unexpected SENSE data implies an error. */
 		return IO_STATUS_ERROR;
 	}

From a23ed009a726feeafdbabeaf5f0bde1a3f04d121 Mon Sep 17 00:00:00 2001
From: Stefan Haberland <stefan.haberland@de.ibm.com>
Date: Wed, 26 May 2010 23:27:09 +0200
Subject: [PATCH 3240/3638] [S390] dasd: unit check handling during internal
 cio I/O

React on unit checks during cio internal I/O.
Handle as unsolicited interrupt and advice cio to retry.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/block/dasd.c      | 23 +++++++++++++++++++++++
 drivers/s390/block/dasd_eckd.c |  1 +
 drivers/s390/block/dasd_int.h  |  1 +
 3 files changed, 25 insertions(+)

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 0e86247d791..33975e922d6 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1186,6 +1186,29 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 	dasd_schedule_device_bh(device);
 }
 
+enum uc_todo dasd_generic_uc_handler(struct ccw_device *cdev, struct irb *irb)
+{
+	struct dasd_device *device;
+
+	device = dasd_device_from_cdev_locked(cdev);
+
+	if (IS_ERR(device))
+		goto out;
+	if (test_bit(DASD_FLAG_OFFLINE, &device->flags) ||
+	   device->state != device->target ||
+	   !device->discipline->handle_unsolicited_interrupt){
+		dasd_put_device(device);
+		goto out;
+	}
+
+	dasd_device_clear_timer(device);
+	device->discipline->handle_unsolicited_interrupt(device, irb);
+	dasd_put_device(device);
+out:
+	return UC_TODO_RETRY;
+}
+EXPORT_SYMBOL_GPL(dasd_generic_uc_handler);
+
 /*
  * If we have an error on a dasd_block layer request then we cancel
  * and return all further requests from the same dasd_block as well.
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 5b1cd8d6e97..ab84da5592e 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3436,6 +3436,7 @@ static struct ccw_driver dasd_eckd_driver = {
 	.freeze      = dasd_generic_pm_freeze,
 	.thaw	     = dasd_generic_restore_device,
 	.restore     = dasd_generic_restore_device,
+	.uc_handler  = dasd_generic_uc_handler,
 };
 
 /*
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 32fac186ba3..49b431d135e 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -617,6 +617,7 @@ int dasd_generic_notify(struct ccw_device *, int);
 void dasd_generic_handle_state_change(struct dasd_device *);
 int dasd_generic_pm_freeze(struct ccw_device *);
 int dasd_generic_restore_device(struct ccw_device *);
+enum uc_todo dasd_generic_uc_handler(struct ccw_device *, struct irb *);
 
 int dasd_generic_read_dev_chars(struct dasd_device *, int, void *, int);
 char *dasd_get_sense(struct irb *);

From db705e831ae33fbbeeacf4bb527e0b17de3d6e68 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 23:27:10 +0200
Subject: [PATCH 3241/3638] [S390] cmm: remove superfluous EXPORT_SYMBOLs plus
 cleanups

Remove superfluous EXPORT_SYMBOLS and do coding style cleanup while
being at it.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/mm/cmm.c | 84 +++++++++++++++++-----------------------------
 1 file changed, 30 insertions(+), 54 deletions(-)

diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index c17352634a4..fb584aa5c2c 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -1,11 +1,9 @@
 /*
- *  arch/s390/mm/cmm.c
- *
- *  S390 version
- *    Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
- *
  *  Collaborative memory management interface.
+ *
+ *    Copyright IBM Corp 2003,2010
+ *    Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
+ *
  */
 
 #include <linux/errno.h>
@@ -20,9 +18,9 @@
 #include <linux/kthread.h>
 #include <linux/oom.h>
 #include <linux/suspend.h>
+#include <linux/uaccess.h>
 
 #include <asm/pgalloc.h>
-#include <asm/uaccess.h>
 #include <asm/diag.h>
 
 static char *sender = "VMRMSVM";
@@ -59,8 +57,8 @@ static DEFINE_TIMER(cmm_timer, NULL, 0, 0);
 static void cmm_timer_fn(unsigned long);
 static void cmm_set_timer(void);
 
-static long
-cmm_alloc_pages(long nr, long *counter, struct cmm_page_array **list)
+static long cmm_alloc_pages(long nr, long *counter,
+			    struct cmm_page_array **list)
 {
 	struct cmm_page_array *pa, *npa;
 	unsigned long addr;
@@ -99,8 +97,7 @@ cmm_alloc_pages(long nr, long *counter, struct cmm_page_array **list)
 	return nr;
 }
 
-static long
-cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
+static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
 {
 	struct cmm_page_array *pa;
 	unsigned long addr;
@@ -140,11 +137,10 @@ static int cmm_oom_notify(struct notifier_block *self,
 }
 
 static struct notifier_block cmm_oom_nb = {
-	.notifier_call = cmm_oom_notify
+	.notifier_call = cmm_oom_notify,
 };
 
-static int
-cmm_thread(void *dummy)
+static int cmm_thread(void *dummy)
 {
 	int rc;
 
@@ -170,7 +166,7 @@ cmm_thread(void *dummy)
 				cmm_timed_pages_target = cmm_timed_pages;
 		} else if (cmm_timed_pages_target < cmm_timed_pages) {
 			cmm_free_pages(1, &cmm_timed_pages,
-			       	       &cmm_timed_page_list);
+				       &cmm_timed_page_list);
 		}
 		if (cmm_timed_pages > 0 && !timer_pending(&cmm_timer))
 			cmm_set_timer();
@@ -178,14 +174,12 @@ cmm_thread(void *dummy)
 	return 0;
 }
 
-static void
-cmm_kick_thread(void)
+static void cmm_kick_thread(void)
 {
 	wake_up(&cmm_thread_wait);
 }
 
-static void
-cmm_set_timer(void)
+static void cmm_set_timer(void)
 {
 	if (cmm_timed_pages_target <= 0 || cmm_timeout_seconds <= 0) {
 		if (timer_pending(&cmm_timer))
@@ -202,8 +196,7 @@ cmm_set_timer(void)
 	add_timer(&cmm_timer);
 }
 
-static void
-cmm_timer_fn(unsigned long ignored)
+static void cmm_timer_fn(unsigned long ignored)
 {
 	long nr;
 
@@ -216,46 +209,41 @@ cmm_timer_fn(unsigned long ignored)
 	cmm_set_timer();
 }
 
-void
-cmm_set_pages(long nr)
+static void cmm_set_pages(long nr)
 {
 	cmm_pages_target = nr;
 	cmm_kick_thread();
 }
 
-long
-cmm_get_pages(void)
+static long cmm_get_pages(void)
 {
 	return cmm_pages;
 }
 
-void
-cmm_add_timed_pages(long nr)
+static void cmm_add_timed_pages(long nr)
 {
 	cmm_timed_pages_target += nr;
 	cmm_kick_thread();
 }
 
-long
-cmm_get_timed_pages(void)
+static long cmm_get_timed_pages(void)
 {
 	return cmm_timed_pages;
 }
 
-void
-cmm_set_timeout(long nr, long seconds)
+static void cmm_set_timeout(long nr, long seconds)
 {
 	cmm_timeout_pages = nr;
 	cmm_timeout_seconds = seconds;
 	cmm_set_timer();
 }
 
-static int
-cmm_skip_blanks(char *cp, char **endp)
+static int cmm_skip_blanks(char *cp, char **endp)
 {
 	char *str;
 
-	for (str = cp; *str == ' ' || *str == '\t'; str++);
+	for (str = cp; *str == ' ' || *str == '\t'; str++)
+		;
 	*endp = str;
 	return str != cp;
 }
@@ -264,9 +252,8 @@ cmm_skip_blanks(char *cp, char **endp)
 
 static struct ctl_table cmm_table[];
 
-static int
-cmm_pages_handler(ctl_table *ctl, int write,
-		  void __user *buffer, size_t *lenp, loff_t *ppos)
+static int cmm_pages_handler(ctl_table *ctl, int write, void __user *buffer,
+			     size_t *lenp, loff_t *ppos)
 {
 	char buf[16], *p;
 	long nr;
@@ -305,9 +292,8 @@ cmm_pages_handler(ctl_table *ctl, int write,
 	return 0;
 }
 
-static int
-cmm_timeout_handler(ctl_table *ctl, int write,
-		    void __user *buffer, size_t *lenp, loff_t *ppos)
+static int cmm_timeout_handler(ctl_table *ctl, int write,  void __user *buffer,
+			       size_t *lenp, loff_t *ppos)
 {
 	char buf[64], *p;
 	long nr, seconds;
@@ -374,8 +360,7 @@ static struct ctl_table cmm_dir_table[] = {
 
 #ifdef CONFIG_CMM_IUCV
 #define SMSG_PREFIX "CMM"
-static void
-cmm_smsg_target(const char *from, char *msg)
+static void cmm_smsg_target(const char *from, char *msg)
 {
 	long nr, seconds;
 
@@ -445,8 +430,7 @@ static struct notifier_block cmm_power_notifier = {
 	.notifier_call = cmm_power_event,
 };
 
-static int
-cmm_init (void)
+static int cmm_init(void)
 {
 	int rc = -ENOMEM;
 
@@ -488,9 +472,9 @@ out_sysctl:
 	del_timer_sync(&cmm_timer);
 	return rc;
 }
+module_init(cmm_init);
 
-static void
-cmm_exit(void)
+static void cmm_exit(void)
 {
 #ifdef CONFIG_CMM_PROC
 	unregister_sysctl_table(cmm_sysctl_header);
@@ -505,14 +489,6 @@ cmm_exit(void)
 	cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list);
 	cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list);
 }
-
-module_init(cmm_init);
 module_exit(cmm_exit);
 
-EXPORT_SYMBOL(cmm_set_pages);
-EXPORT_SYMBOL(cmm_get_pages);
-EXPORT_SYMBOL(cmm_add_timed_pages);
-EXPORT_SYMBOL(cmm_get_timed_pages);
-EXPORT_SYMBOL(cmm_set_timeout);
-
 MODULE_LICENSE("GPL");

From cf9daf4a735acaa5ff5967bb1b3a5e3b3578c32a Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 23:27:11 +0200
Subject: [PATCH 3242/3638] [S390] cmm: get rid of CMM_PROC config option

All distros have this option switched on, so lets get rid of at least
one of the tons of config options that are available.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/Kconfig  | 7 -------
 arch/s390/mm/cmm.c | 9 ---------
 2 files changed, 16 deletions(-)

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 79d0ca08682..149c9d8208d 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -479,13 +479,6 @@ config CMM
 	  Everybody who wants to run Linux under VM should select this
 	  option.
 
-config CMM_PROC
-	bool "/proc interface to cooperative memory management"
-	depends on CMM
-	help
-	  Select this option to enable the /proc interface to the
-	  cooperative memory management.
-
 config CMM_IUCV
 	bool "IUCV special message interface to cooperative memory management"
 	depends on CMM && (SMSGIUCV=y || CMM=SMSGIUCV)
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index fb584aa5c2c..eb6a2ef5f82 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -248,8 +248,6 @@ static int cmm_skip_blanks(char *cp, char **endp)
 	return str != cp;
 }
 
-#ifdef CONFIG_CMM_PROC
-
 static struct ctl_table cmm_table[];
 
 static int cmm_pages_handler(ctl_table *ctl, int write, void __user *buffer,
@@ -356,7 +354,6 @@ static struct ctl_table cmm_dir_table[] = {
 	},
 	{ }
 };
-#endif
 
 #ifdef CONFIG_CMM_IUCV
 #define SMSG_PREFIX "CMM"
@@ -434,11 +431,9 @@ static int cmm_init(void)
 {
 	int rc = -ENOMEM;
 
-#ifdef CONFIG_CMM_PROC
 	cmm_sysctl_header = register_sysctl_table(cmm_dir_table);
 	if (!cmm_sysctl_header)
 		goto out_sysctl;
-#endif
 #ifdef CONFIG_CMM_IUCV
 	rc = smsg_register_callback(SMSG_PREFIX, cmm_smsg_target);
 	if (rc < 0)
@@ -465,10 +460,8 @@ out_oom_notify:
 	smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target);
 out_smsg:
 #endif
-#ifdef CONFIG_CMM_PROC
 	unregister_sysctl_table(cmm_sysctl_header);
 out_sysctl:
-#endif
 	del_timer_sync(&cmm_timer);
 	return rc;
 }
@@ -476,9 +469,7 @@ module_init(cmm_init);
 
 static void cmm_exit(void)
 {
-#ifdef CONFIG_CMM_PROC
 	unregister_sysctl_table(cmm_sysctl_header);
-#endif
 #ifdef CONFIG_CMM_IUCV
 	smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target);
 #endif

From cdf566498d80709dedab826d068a9ea9d438320a Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 23:27:12 +0200
Subject: [PATCH 3243/3638] [S390] Add support for LZO-compressed kernels.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/Kconfig                  | 1 +
 arch/s390/boot/compressed/Makefile | 5 ++++-
 arch/s390/boot/compressed/misc.c   | 4 ++++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 149c9d8208d..bee1c0f794c 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -102,6 +102,7 @@ config S390
 	select HAVE_KERNEL_GZIP
 	select HAVE_KERNEL_BZIP2
 	select HAVE_KERNEL_LZMA
+	select HAVE_KERNEL_LZO
 	select ARCH_INLINE_SPIN_TRYLOCK
 	select ARCH_INLINE_SPIN_TRYLOCK_BH
 	select ARCH_INLINE_SPIN_LOCK
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index 6e4a67ad07e..1c999f726a5 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -7,7 +7,7 @@
 BITS := $(if $(CONFIG_64BIT),64,31)
 
 targets	:= vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
-	   vmlinux.bin.lzma misc.o piggy.o sizes.h head$(BITS).o
+	   vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o sizes.h head$(BITS).o
 
 KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
 KBUILD_CFLAGS += $(cflags-y)
@@ -47,6 +47,7 @@ vmlinux.bin.all-y := $(obj)/vmlinux.bin
 suffix-$(CONFIG_KERNEL_GZIP)  := gz
 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
 suffix-$(CONFIG_KERNEL_LZMA)  := lzma
+suffix-$(CONFIG_KERNEL_LZO)  := lzo
 
 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
 	$(call if_changed,gzip)
@@ -54,6 +55,8 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
 	$(call if_changed,bzip2)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
 	$(call if_changed,lzma)
+$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
+	$(call if_changed,lzo)
 
 LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y)
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index 14e0479d388..0851eb1e919 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -50,6 +50,10 @@ static unsigned long free_mem_end_ptr;
 #include "../../../../lib/decompress_unlzma.c"
 #endif
 
+#ifdef CONFIG_KERNEL_LZO
+#include "../../../../lib/decompress_unlzo.c"
+#endif
+
 extern _sclp_print_early(const char *);
 
 int puts(const char *s)

From 3bfe68580a9d2a25465fc004986acd7991d700d1 Mon Sep 17 00:00:00 2001
From: Jonathan Nieder <jrnieder@gmail.com>
Date: Wed, 26 May 2010 23:27:13 +0200
Subject: [PATCH 3244/3638] [S390] fill out file list in s390 MAINTAINERS entry

Noticed with scripts/get_maintainer.pl -f fs/partitions/ibm.c

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 MAINTAINERS | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 18355cc1ce2..cf4db76f8b2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4836,6 +4836,9 @@ W:	http://www.ibm.com/developerworks/linux/linux390/
 S:	Supported
 F:	arch/s390/
 F:	drivers/s390/
+F:	fs/partitions/ibm.c
+F:	Documentation/s390/
+F:	Documentation/DocBook/s390*
 
 S390 NETWORK DRIVERS
 M:	Ursula Braun <ursula.braun@de.ibm.com>

From a77fcf895046664927dd6eea816602b87a1a6337 Mon Sep 17 00:00:00 2001
From: Ralph Campbell <ralph.campbell@qlogic.com>
Date: Wed, 26 May 2010 16:08:44 -0700
Subject: [PATCH 3245/3638] IB/qib: Use a single txselect module parameter for
 serdes tuning

As part of the earlier patches submitted and reviewed, it was agreed
to change the way serdes tuning parameters were specified to the
driver.  The updated patch got dropped by the linux-rdma email list so
the earlier version of qib_iba7322.c ended up being used.  This patch
updates qib_iab7322.c to the simpler, single parameter method of
setting the serdes parameters.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/qib/qib_iba7322.c | 582 ++++++++----------------
 1 file changed, 179 insertions(+), 403 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 2c24eab35b5..23fb9efe20a 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -114,40 +114,18 @@ static ushort qib_singleport;
 module_param_named(singleport, qib_singleport, ushort, S_IRUGO);
 MODULE_PARM_DESC(singleport, "Use only IB port 1; more per-port buffer space");
 
-
-/*
- * Setup QMH7342 receive and transmit parameters, necessary because
- * each bay, Mez connector, and IB port need different tuning, beyond
- * what the switch and HCA can do automatically.
- * It's expected to be done by cat'ing files to the modules file,
- * rather than setting up as a module parameter.
- * It's a "write-only" file, returns 0 when read back.
- * The unit, port, bay (if given), and values MUST be done as a single write.
- * The unit, port, and bay must precede the values to be effective.
- */
-static int setup_qmh_params(const char *, struct kernel_param *);
-static unsigned dummy_qmh_params;
-module_param_call(qmh_serdes_setup, setup_qmh_params, param_get_uint,
-		  &dummy_qmh_params, S_IWUSR | S_IRUGO);
-
-/* similarly for QME7342, but it's simpler */
-static int setup_qme_params(const char *, struct kernel_param *);
-static unsigned dummy_qme_params;
-module_param_call(qme_serdes_setup, setup_qme_params, param_get_uint,
-		  &dummy_qme_params, S_IWUSR | S_IRUGO);
-
 #define MAX_ATTEN_LEN 64 /* plenty for any real system */
 /* for read back, default index is ~5m copper cable */
-static char cable_atten_list[MAX_ATTEN_LEN] = "10";
-static struct kparam_string kp_cable_atten = {
-	.string = cable_atten_list,
+static char txselect_list[MAX_ATTEN_LEN] = "10";
+static struct kparam_string kp_txselect = {
+	.string = txselect_list,
 	.maxlen = MAX_ATTEN_LEN
 };
-static int  setup_cable_atten(const char *, struct kernel_param *);
-module_param_call(cable_atten, setup_cable_atten, param_get_string,
-		  &kp_cable_atten, S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(cable_atten, \
-		 "cable attenuation indices for cables with invalid EEPROM");
+static int  setup_txselect(const char *, struct kernel_param *);
+module_param_call(txselect, setup_txselect, param_get_string,
+		  &kp_txselect, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(txselect, \
+		 "Tx serdes indices (for no QSFP or invalid QSFP data)");
 
 #define BOARD_QME7342 5
 #define BOARD_QMH7342 6
@@ -574,11 +552,12 @@ struct vendor_txdds_ent {
 static void write_tx_serdes_param(struct qib_pportdata *, struct txdds_ent *);
 
 #define TXDDS_TABLE_SZ 16 /* number of entries per speed in onchip table */
+#define TXDDS_EXTRA_SZ 11 /* number of extra tx settings entries */
 #define SERDES_CHANS 4 /* yes, it's obvious, but one less magic number */
 
 #define H1_FORCE_VAL 8
-#define H1_FORCE_QME 1 /*  may be overridden via setup_qme_params() */
-#define H1_FORCE_QMH 7 /*  may be overridden via setup_qmh_params() */
+#define H1_FORCE_QME 1 /*  may be overridden via setup_txselect() */
+#define H1_FORCE_QMH 7 /*  may be overridden via setup_txselect() */
 
 /* The static and dynamic registers are paired, and the pairs indexed by spd */
 #define krp_static_adapt_dis(spd) (KREG_IBPORT_IDX(ADAPT_DISABLE_STATIC_SDR) \
@@ -590,15 +569,6 @@ static void write_tx_serdes_param(struct qib_pportdata *, struct txdds_ent *);
 #define QDR_STATIC_ADAPT_INIT 0xffffffffffULL /* up, disable H0,H1-8, LE */
 #define QDR_STATIC_ADAPT_INIT_R1 0xf0ffffffffULL /* r1 up, disable H0,H1-8 */
 
-static const struct txdds_ent qmh_sdr_txdds =  { 11, 0,  5,  6 };
-static const struct txdds_ent qmh_ddr_txdds =  {  7, 0,  2,  8 };
-static const struct txdds_ent qmh_qdr_txdds =  {  0, 1,  3, 10 };
-
-/* this is used for unknown mez cards also */
-static const struct txdds_ent qme_sdr_txdds =  { 11, 0,  4,  4 };
-static const struct txdds_ent qme_ddr_txdds =  {  7, 0,  2,  7 };
-static const struct txdds_ent qme_qdr_txdds =  {  0, 1, 12, 11 };
-
 struct qib_chippport_specific {
 	u64 __iomem *kpregbase;
 	u64 __iomem *cpregbase;
@@ -637,12 +607,8 @@ struct qib_chippport_specific {
 	 * Per-bay per-channel rcv QMH H1 values and Tx values for QDR.
 	 * entry zero is unused, to simplify indexing
 	 */
-	u16 h1_val;
-	u8 amp[SERDES_CHANS];
-	u8 pre[SERDES_CHANS];
-	u8 mainv[SERDES_CHANS];
-	u8 post[SERDES_CHANS];
-	u8 no_eep;  /* attenuation index to use if no qsfp info */
+	u8 h1_val;
+	u8 no_eep;  /* txselect table index to use if no qsfp info */
 	u8 ipg_tries;
 	u8 ibmalfusesnap;
 	struct qib_qsfp_data qsfp_data;
@@ -5360,7 +5326,13 @@ static int qib_7322_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
 				     QIBL_IB_AUTONEG_INPROG)))
 			set_7322_ibspeed_fast(ppd, ppd->link_speed_enabled);
 		if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG)) {
+			/* unlock the Tx settings, speed may change */
+			qib_write_kreg_port(ppd, krp_tx_deemph_override,
+				SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				reset_tx_deemphasis_override));
 			qib_cancel_sends(ppd);
+			/* on link down, ensure sane pcs state */
+			qib_7322_mini_pcs_reset(ppd);
 			spin_lock_irqsave(&ppd->sdma_lock, flags);
 			if (__qib_sdma_running(ppd))
 				__qib_sdma_process_event(ppd,
@@ -5766,26 +5738,28 @@ static void qib_init_7322_qsfp(struct qib_pportdata *ppd)
 }
 
 /*
- * called at device initialization time, and also if the cable_atten
+ * called at device initialization time, and also if the txselect
  * module parameter is changed.  This is used for cables that don't
  * have valid QSFP EEPROMs (not present, or attenuation is zero).
  * We initialize to the default, then if there is a specific
- * unit,port match, we use that.
+ * unit,port match, we use that (and set it immediately, for the
+ * current speed, if the link is at INIT or better).
  * String format is "default# unit#,port#=# ... u,p=#", separators must
- * be a SPACE character.  A newline terminates.
+ * be a SPACE character.  A newline terminates.  The u,p=# tuples may
+ * optionally have "u,p=#,#", where the final # is the H1 value
  * The last specific match is used (actually, all are used, but last
  * one is the one that winds up set); if none at all, fall back on default.
  */
 static void set_no_qsfp_atten(struct qib_devdata *dd, int change)
 {
 	char *nxt, *str;
-	int pidx, unit, port, deflt;
+	u32 pidx, unit, port, deflt, h1;
 	unsigned long val;
-	int any = 0;
+	int any = 0, seth1;
 
-	str = cable_atten_list;
+	str = txselect_list;
 
-	/* default number is validated in setup_cable_atten() */
+	/* default number is validated in setup_txselect() */
 	deflt = simple_strtoul(str, &nxt, 0);
 	for (pidx = 0; pidx < dd->num_pports; ++pidx)
 		dd->pport[pidx].cpspec->no_eep = deflt;
@@ -5812,16 +5786,28 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change)
 				;
 			continue;
 		}
-		if (val >= TXDDS_TABLE_SZ)
+		if (val >= TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ)
 			continue;
+		seth1 = 0;
+		h1 = 0; /* gcc thinks it might be used uninitted */
+		if (*nxt == ',' && nxt[1]) {
+			str = ++nxt;
+			h1 = (u32)simple_strtoul(str, &nxt, 0);
+			if (nxt == str)
+				while (*nxt && *nxt++ != ' ') /* skip */
+					;
+			else
+				seth1 = 1;
+		}
 		for (pidx = 0; dd->unit == unit && pidx < dd->num_pports;
 		     ++pidx) {
-			if (dd->pport[pidx].port != port ||
-				!dd->pport[pidx].link_speed_supported)
+			struct qib_pportdata *ppd = &dd->pport[pidx];
+
+			if (ppd->port != port || !ppd->link_speed_supported)
 				continue;
-			dd->pport[pidx].cpspec->no_eep = val;
+			ppd->cpspec->no_eep = val;
 			/* now change the IBC and serdes, overriding generic */
-			init_txdds_table(&dd->pport[pidx], 1);
+			init_txdds_table(ppd, 1);
 			any++;
 		}
 		if (*nxt == '\n')
@@ -5832,35 +5818,35 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change)
 		 * Change the IBC and serdes, but since it's
 		 * general, don't override specific settings.
 		 */
-		for (pidx = 0; pidx < dd->num_pports; ++pidx) {
-			if (!dd->pport[pidx].link_speed_supported)
-				continue;
-			init_txdds_table(&dd->pport[pidx], 0);
-		}
+		for (pidx = 0; pidx < dd->num_pports; ++pidx)
+			if (dd->pport[pidx].link_speed_supported)
+				init_txdds_table(&dd->pport[pidx], 0);
 	}
 }
 
-/* handle the cable_atten parameter changing */
-static int setup_cable_atten(const char *str, struct kernel_param *kp)
+/* handle the txselect parameter changing */
+static int setup_txselect(const char *str, struct kernel_param *kp)
 {
 	struct qib_devdata *dd;
 	unsigned long val;
 	char *n;
 	if (strlen(str) >= MAX_ATTEN_LEN) {
-		printk(KERN_INFO QIB_DRV_NAME " cable_atten_values string "
+		printk(KERN_INFO QIB_DRV_NAME " txselect_values string "
 		       "too long\n");
 		return -ENOSPC;
 	}
 	val = simple_strtoul(str, &n, 0);
-	if (n == str || val >= TXDDS_TABLE_SZ) {
+	if (n == str || val >= (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ)) {
 		printk(KERN_INFO QIB_DRV_NAME
-		       "cable_atten_values must start with a number\n");
+		       "txselect_values must start with a number < %d\n",
+			TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ);
 		return -EINVAL;
 	}
-	strcpy(cable_atten_list, str);
+	strcpy(txselect_list, str);
 
 	list_for_each_entry(dd, &qib_dev_list, list)
-		set_no_qsfp_atten(dd, 1);
+		if (dd->deviceid == PCI_DEVICE_ID_QLOGIC_IB_7322)
+			set_no_qsfp_atten(dd, 1);
 	return 0;
 }
 
@@ -6261,28 +6247,17 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
 		 * in adapter-specific routines.
 		 */
 		if (!(ppd->dd->flags & QIB_HAS_QSFP)) {
-			int i;
-			const struct txdds_ent *txdds;
-
 			if (!IS_QMH(ppd->dd) && !IS_QME(ppd->dd))
 				qib_devinfo(ppd->dd->pcidev, "IB%u:%u: "
 					    "Unknown mezzanine card type\n",
-					    ppd->dd->unit, ppd->port);
-			txdds = IS_QMH(ppd->dd) ? &qmh_qdr_txdds :
-				&qme_qdr_txdds;
-
+					    dd->unit, ppd->port);
+			cp->h1_val = IS_QMH(dd) ? H1_FORCE_QMH : H1_FORCE_QME;
 			/*
-			 * set values in case link comes up
-			 * before table is written to driver.
+			 * Choose center value as default tx serdes setting
+			 * until changed through module parameter.
 			 */
-			cp->h1_val = IS_QMH(ppd->dd) ? H1_FORCE_QMH :
-				H1_FORCE_QME;
-			for (i = 0; i < SERDES_CHANS; i++) {
-				cp->amp[i] = txdds->amp;
-				cp->pre[i] = txdds->pre;
-				cp->mainv[i] = txdds->main;
-				cp->post[i] = txdds->post;
-			}
+			ppd->cpspec->no_eep = IS_QMH(dd) ?
+				TXDDS_TABLE_SZ + 2 : TXDDS_TABLE_SZ + 4;
 		} else
 			cp->h1_val = H1_FORCE_VAL;
 
@@ -6299,8 +6274,7 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
 
 	dd->rcvhdrentsize = QIB_RCVHDR_ENTSIZE;
 	dd->rcvhdrsize = QIB_DFLT_RCVHDRSIZE;
-	dd->rhf_offset =
-		dd->rcvhdrentsize - sizeof(u64) / sizeof(u32);
+	dd->rhf_offset = dd->rcvhdrentsize - sizeof(u64) / sizeof(u32);
 
 	/* we always allocate at least 2048 bytes for eager buffers */
 	dd->rcvegrbufsize = max(mtu, 2048);
@@ -7111,8 +7085,8 @@ static const struct txdds_ent txdds_ddr[TXDDS_TABLE_SZ] = {
 static const struct txdds_ent txdds_qdr[TXDDS_TABLE_SZ] = {
 	/* amp, pre, main, post */
 	{  2, 2, 15,  6 },	/* Loopback */
-	{  0, 1,  0,  7 },	/*  2 dB */
-	{  0, 1,  0,  9 },	/*  3 dB */
+	{  0, 1,  0,  7 },	/*  2 dB (also QMH7342) */
+	{  0, 1,  0,  9 },	/*  3 dB (also QMH7342) */
 	{  0, 1,  0, 11 },	/*  4 dB */
 	{  0, 1,  0, 13 },	/*  5 dB */
 	{  0, 1,  0, 15 },	/*  6 dB */
@@ -7128,6 +7102,57 @@ static const struct txdds_ent txdds_qdr[TXDDS_TABLE_SZ] = {
 	{  0, 2,  9, 15 },	/* 16 dB */
 };
 
+/*
+ * extra entries for use with txselect, for indices >= TXDDS_TABLE_SZ.
+ * These are mostly used for mez cards going through connectors
+ * and backplane traces, but can be used to add other "unusual"
+ * table values as well.
+ */
+static const struct txdds_ent txdds_extra_sdr[TXDDS_EXTRA_SZ] = {
+	/* amp, pre, main, post */
+	{  0, 0, 0,  1 },	/* QMH7342 backplane settings */
+	{  0, 0, 0,  1 },	/* QMH7342 backplane settings */
+	{  0, 0, 0,  2 },	/* QMH7342 backplane settings */
+	{  0, 0, 0,  2 },	/* QMH7342 backplane settings */
+	{  0, 0, 0, 11 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 11 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 11 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 11 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 11 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 11 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 11 },	/* QME7342 backplane settings */
+};
+
+static const struct txdds_ent txdds_extra_ddr[TXDDS_EXTRA_SZ] = {
+	/* amp, pre, main, post */
+	{  0, 0, 0,  7 },	/* QMH7342 backplane settings */
+	{  0, 0, 0,  7 },	/* QMH7342 backplane settings */
+	{  0, 0, 0,  8 },	/* QMH7342 backplane settings */
+	{  0, 0, 0,  8 },	/* QMH7342 backplane settings */
+	{  0, 0, 0, 13 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 13 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 13 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 13 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 13 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 13 },	/* QME7342 backplane settings */
+	{  0, 0, 0, 13 },	/* QME7342 backplane settings */
+};
+
+static const struct txdds_ent txdds_extra_qdr[TXDDS_EXTRA_SZ] = {
+	/* amp, pre, main, post */
+	{  0, 1,  0,  4 },	/* QMH7342 backplane settings */
+	{  0, 1,  0,  5 },	/* QMH7342 backplane settings */
+	{  0, 1,  0,  6 },	/* QMH7342 backplane settings */
+	{  0, 1,  0,  8 },	/* QMH7342 backplane settings */
+	{  0, 1, 12, 10 },	/* QME7342 backplane setting */
+	{  0, 1, 12, 11 },	/* QME7342 backplane setting */
+	{  0, 1, 12, 12 },	/* QME7342 backplane setting */
+	{  0, 1, 12, 14 },	/* QME7342 backplane setting */
+	{  0, 1, 12,  6 },	/* QME7342 backplane setting */
+	{  0, 1, 12,  7 },	/* QME7342 backplane setting */
+	{  0, 1, 12,  8 },	/* QME7342 backplane setting */
+};
+
 static const struct txdds_ent *get_atten_table(const struct txdds_ent *txdds,
 					       unsigned atten)
 {
@@ -7145,7 +7170,7 @@ static const struct txdds_ent *get_atten_table(const struct txdds_ent *txdds,
 }
 
 /*
- * if override is set, the module parameter cable_atten has a value
+ * if override is set, the module parameter txselect has a value
  * for this specific port, so use it, rather than our normal mechanism.
  */
 static void find_best_ent(struct qib_pportdata *ppd,
@@ -7184,15 +7209,28 @@ static void find_best_ent(struct qib_pportdata *ppd,
 		*ddr_dds = get_atten_table(txdds_ddr, qd->atten[0]);
 		*qdr_dds = get_atten_table(txdds_qdr, qd->atten[1]);
 		return;
-	} else {
+	} else if (ppd->cpspec->no_eep < TXDDS_TABLE_SZ) {
 		/*
 		 * If we have no (or incomplete) data from the cable
-		 * EEPROM, or no QSFP, use the module parameter value
-		 * to index into the attentuation table.
+		 * EEPROM, or no QSFP, or override is set, use the
+		 * module parameter value to index into the attentuation
+		 * table.
 		 */
-		*sdr_dds = &txdds_sdr[ppd->cpspec->no_eep];
-		*ddr_dds = &txdds_ddr[ppd->cpspec->no_eep];
-		*qdr_dds = &txdds_qdr[ppd->cpspec->no_eep];
+		idx = ppd->cpspec->no_eep;
+		*sdr_dds = &txdds_sdr[idx];
+		*ddr_dds = &txdds_ddr[idx];
+		*qdr_dds = &txdds_qdr[idx];
+	} else if (ppd->cpspec->no_eep < (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ)) {
+		/* similar to above, but index into the "extra" table. */
+		idx = ppd->cpspec->no_eep - TXDDS_TABLE_SZ;
+		*sdr_dds = &txdds_extra_sdr[idx];
+		*ddr_dds = &txdds_extra_ddr[idx];
+		*qdr_dds = &txdds_extra_qdr[idx];
+	} else {
+		/* this shouldn't happen, it's range checked */
+		*sdr_dds = txdds_sdr + qib_long_atten;
+		*ddr_dds = txdds_ddr + qib_long_atten;
+		*qdr_dds = txdds_qdr + qib_long_atten;
 	}
 }
 
@@ -7203,33 +7241,24 @@ static void init_txdds_table(struct qib_pportdata *ppd, int override)
 	int idx;
 	int single_ent = 0;
 
-	if (IS_QMH(ppd->dd)) {
-		/* normally will be overridden, via setup_qmh() */
-		sdr_dds = &qmh_sdr_txdds;
-		ddr_dds = &qmh_ddr_txdds;
-		qdr_dds = &qmh_qdr_txdds;
+	find_best_ent(ppd, &sdr_dds, &ddr_dds, &qdr_dds, override);
+
+	/* for mez cards or override, use the selected value for all entries */
+	if (!(ppd->dd->flags & QIB_HAS_QSFP) || override)
 		single_ent = 1;
-	} else if (IS_QME(ppd->dd)) {
-		sdr_dds = &qme_sdr_txdds;
-		ddr_dds = &qme_ddr_txdds;
-		qdr_dds = &qme_qdr_txdds;
-		single_ent = 1;
-	} else
-		find_best_ent(ppd, &sdr_dds, &ddr_dds, &qdr_dds, override);
 
 	/* Fill in the first entry with the best entry found. */
 	set_txdds(ppd, 0, sdr_dds);
 	set_txdds(ppd, TXDDS_TABLE_SZ, ddr_dds);
 	set_txdds(ppd, 2 * TXDDS_TABLE_SZ, qdr_dds);
-
-	/*
-	 * for our current speed, also write that value into the
-	 * tx serdes registers.
-	 */
-	dds = (struct txdds_ent *)(ppd->link_speed_active == QIB_IB_QDR ?
-				   qdr_dds : (ppd->link_speed_active ==
-					      QIB_IB_DDR ? ddr_dds : sdr_dds));
-	write_tx_serdes_param(ppd, dds);
+	if (ppd->lflags & (QIBL_LINKINIT | QIBL_LINKARMED |
+		QIBL_LINKACTIVE)) {
+		dds = (struct txdds_ent *)(ppd->link_speed_active ==
+					   QIB_IB_QDR ?  qdr_dds :
+					   (ppd->link_speed_active ==
+					    QIB_IB_DDR ? ddr_dds : sdr_dds));
+		write_tx_serdes_param(ppd, dds);
+	}
 
 	/* Fill in the remaining entries with the default table values. */
 	for (idx = 1; idx < ARRAY_SIZE(txdds_sdr); ++idx) {
@@ -7352,6 +7381,11 @@ static int serdes_7322_init(struct qib_pportdata *ppd)
 	 */
 	init_txdds_table(ppd, 0);
 
+	/* ensure no tx overrides from earlier driver loads */
+	qib_write_kreg_port(ppd, krp_tx_deemph_override,
+		SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+		reset_tx_deemphasis_override));
+
 	/* Patch some SerDes defaults to "Better for IB" */
 	/* Timing Loop Bandwidth: cdr_timing[11:9] = 0 */
 	ibsd_wr_allchans(ppd, 2, 0, BMASK(11, 9));
@@ -7421,7 +7455,7 @@ static int serdes_7322_init(struct qib_pportdata *ppd)
 			    QDR_STATIC_ADAPT_DOWN_R1 : QDR_STATIC_ADAPT_DOWN);
 	ppd->cpspec->qdr_dfe_on = 1;
 
-	/* (FLoop LOS gate: PPM filter  enabled */
+	/* FLoop LOS gate: PPM filter  enabled */
 	ibsd_wr_allchans(ppd, 38, 0 << 10, 1 << 10);
 
 	/* rx offset center enabled */
@@ -7486,68 +7520,39 @@ static void write_tx_serdes_param(struct qib_pportdata *ppd,
 		    SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txc0_ena) |
 		    SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txcp1_ena) |
 		    SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txcn1_ena));
-	deemph |= 1ULL << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
-				  tx_override_deemphasis_select);
-	deemph |= txdds->amp << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
-				    txampcntl_d2a);
-	deemph |= txdds->main << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
-				      txc0_ena);
-	deemph |= txdds->post << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
-				     txcp1_ena);
-	deemph |= txdds->pre << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+
+	deemph |= SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+			   tx_override_deemphasis_select);
+	deemph |= (txdds->amp & SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+		    txampcntl_d2a)) << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				       txampcntl_d2a);
+	deemph |= (txdds->main & SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+		     txc0_ena)) << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				   txc0_ena);
+	deemph |= (txdds->post & SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+		     txcp1_ena)) << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+				    txcp1_ena);
+	deemph |= (txdds->pre & SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+		     txcn1_ena)) << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
 				    txcn1_ena);
 	qib_write_kreg_port(ppd, krp_tx_deemph_override, deemph);
 }
 
 /*
- * set per-bay, per channel parameters.  For now, we ignore
- * do_tx, and always set tx parameters, and set them with the same value
- * for all channels, using the channel 0 value.   We may switch to
- * per-channel settings in the future, and that method only needs
- * to be done once.
- * Because this also writes the IBC txdds table with a single set
- * of values, it should be called only for cases where we want to completely
- * force a specific setting, typically only for mez cards.
+ * Set the parameters for mez cards on link bounce, so they are
+ * always exactly what was requested.  Similar logic to init_txdds
+ * but does just the serdes.
  */
 static void adj_tx_serdes(struct qib_pportdata *ppd)
 {
-	struct txdds_ent txdds;
-	int i;
-	u8 *amp, *pre, *mainv, *post;
+	const struct txdds_ent *sdr_dds, *ddr_dds, *qdr_dds;
+	struct txdds_ent *dds;
 
-	/*
-	 * Because we use TX_DEEMPHASIS_OVERRIDE, we need to
-	 * always do tx side, just like H1, since it is cleared
-	 * by link down
-	 */
-	amp = ppd->cpspec->amp;
-	pre = ppd->cpspec->pre;
-	mainv = ppd->cpspec->mainv;
-	post = ppd->cpspec->post;
-
-	amp[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
-			    txampcntl_d2a);
-	mainv[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
-			      txc0_ena);
-	post[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
-			     txcp1_ena);
-	pre[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
-			    txcn1_ena);
-
-	/*
-	 * Use the channel zero values, only, for now, for
-	 * all channels
-	*/
-	txdds.amp = amp[0];
-	txdds.pre = pre[0];
-	txdds.main = mainv[0];
-	txdds.post = post[0];
-
-	/* write the QDR table for IBC use, as backup for link down */
-	for (i = 0; i < ARRAY_SIZE(txdds_qdr); ++i)
-		set_txdds(ppd, i + 32, &txdds);
-
-	write_tx_serdes_param(ppd, &txdds);
+	find_best_ent(ppd, &sdr_dds, &ddr_dds, &qdr_dds, 1);
+	dds = (struct txdds_ent *)(ppd->link_speed_active == QIB_IB_QDR ?
+		qdr_dds : (ppd->link_speed_active == QIB_IB_DDR ?
+				ddr_dds : sdr_dds));
+	write_tx_serdes_param(ppd, dds);
 }
 
 /* set QDR forced value for H1, if needed */
@@ -7567,235 +7572,6 @@ static void force_h1(struct qib_pportdata *ppd)
 	}
 }
 
-/*
- * Parse the parameters for the QMH7342, to get rx and tx serdes
- * settings for that Bay, for both possible mez connectors (PCIe bus)
- * and IB link (one link on mez1, two possible on mez2).
- *
- * Data is comma or white space separated.
- *
- * A set of data has 7 groups, rx and tx groups have SERDES_CHANS values,
- * one per IB lane (serdes channel).
- * The groups are Bay, bus# H1 rcv, and amp, pre, post, main Tx values (QDR).
- * The Bay # is used only for debugging currently.
- * H1 values are set whenever the link goes down, or is at cfg_test or
- * cfg_wait_enh.  Tx values are programmed once, when this routine is called
- * (and with default values at chip initialization).  Values are any base, in
- * strtoul style, and values are seperated by comma, or any white space
- * (space, tab, newline).
- *
- * An example set might look like this (white space vs
- * comma used for human ease of reading)
- * The ordering is a set of Bay# Bus# H1, amp, pre, post, and main for mez1 IB1,
- * repeat for mez2 IB1, then mez2 IB2.
- *
- * B B H1:0       amp:0       pre:0        post: 0        main:0
- * a u H1:  1     amp:  1     pre:  1      post:   1      main:  1
- * y s H1:    2   amp:    2   pre:    2    post:      2   main:    2
- *     H1:      4 amp:      3 pre:      3  post:        3 main:      3
- * 1 3    8,6,5,6     0,0,0,0     1,1,1,1       10,10,10,10    3,3,3,3
- * 1 6    7,6,6,7     0,0,0,0     1,1,1,1       10,10,10,10    3,3,3,3
- * 1 6    9,7,7,8     0,0,0,0     1,1,1,1       10,10,10,10    3,3,3,3
- */
-#define N_QMH_FIELDS 22
-static int setup_qmh_params(const char *str, struct kernel_param *kp)
-{
-	char *abuf, *v, *nv, *nvp;
-	struct qib_devdata *dd;
-	struct qib_pportdata *ppd;
-	u32 mez, vlen, nf, port, bay;
-	int ret = 0, found = 0;
-
-	vlen = strlen(str) + 1;
-	abuf = kmalloc(vlen, GFP_KERNEL);
-	if (!abuf) {
-		printk(KERN_INFO QIB_DRV_NAME
-		       " Unable to allocate QMH param buffer; ignoring\n");
-		return 0;
-	}
-	memcpy(abuf, str, vlen);
-	v = abuf;
-
-	/* these 3 are because gcc can't know they are set before used */
-	port = 1;
-	mez = 1; /* used only for debugging */
-	bay = 0; /* used only for debugging */
-	ppd = NULL;
-	for (nf = 0; (nv = strsep(&v, ", \t\n\r")) &&
-	     nf < (N_QMH_FIELDS * 3);) {
-		u32 val;
-
-		if (!*nv)
-			/* allow for multiple separators */
-			continue;
-
-		val = simple_strtoul(nv, &nvp, 0);
-		if (nv == nvp) {
-			printk(KERN_INFO QIB_DRV_NAME
-			       " Bay%u, mez%u IB%u non-numeric value (%s) "
-			       "field #%u, ignoring rest\n", bay, mez,
-			       port, nv, nf % (N_QMH_FIELDS * 3));
-			ret = -EINVAL;
-			goto bail;
-		}
-		if (!(nf % N_QMH_FIELDS)) {
-			ppd = NULL;
-			bay = val;
-			if (!bay || bay > 16) {
-				printk(KERN_INFO QIB_DRV_NAME
-				       " Invalid bay # %u, field %u, "
-				       "ignoring rest\n", bay, nf);
-				ret = -EINVAL;
-				goto bail;
-			}
-		} else if ((nf % N_QMH_FIELDS) == 1) {
-			u32 bus = val;
-			if (nf == 1) {
-				mez = 1;
-				port = 1;
-			} else if (nf == (N_QMH_FIELDS + 1)) {
-				mez = 2;
-				port = 1;
-			} else {
-				mez = 2;
-				port = 2;
-			}
-			list_for_each_entry(dd, &qib_dev_list, list) {
-				if (dd->deviceid != PCI_DEVICE_ID_QLOGIC_IB_7322
-				    || !IS_QMH(dd))
-					continue; /* only for QMH cards */
-				if (dd->pcidev->bus->number == bus) {
-					found++;
-					ppd = &dd->pport[port - 1];
-				}
-			}
-		} else if (ppd) {
-			u32 parm = (nf % N_QMH_FIELDS) - 2;
-			if (parm < SERDES_CHANS && !(parm % SERDES_CHANS))
-				ppd->cpspec->h1_val = val;
-			else if (parm < (2 * SERDES_CHANS))
-				ppd->cpspec->amp[parm % SERDES_CHANS] = val;
-			else if (parm < (3 * SERDES_CHANS))
-				ppd->cpspec->pre[parm % SERDES_CHANS] = val;
-			else if (parm < (4 * SERDES_CHANS))
-				ppd->cpspec->post[parm % SERDES_CHANS] = val;
-			else {
-				ppd->cpspec->mainv[parm % SERDES_CHANS] = val;
-				/* At the end of a port, set params */
-				if (parm == ((5 * SERDES_CHANS) - 1))
-					adj_tx_serdes(ppd);
-			}
-		}
-		nf++;
-	}
-	if (!found) {
-		printk(KERN_ERR QIB_DRV_NAME
-		       ": No match found for qmh_serdes_setup parameter\n");
-		ret = -EINVAL;
-	}
-bail:
-	kfree(abuf);
-	return ret;
-}
-
-/*
- * Similarly for QME7342, but the format is simpler, values are the
- * same for all mez card positions in a blade (2 or 4 per blade), but
- * are different for some blades vs others, and we don't need to
- * specify different parameters for different serdes channels or different
- * IB ports.
- * Format is: h1 amp,pre,post,main
- * Alternate format (so ports can be different): Pport# h1 amp,pre,post,main
- */
-#define N_QME_FIELDS 5
-static int setup_qme_params(const char *str, struct kernel_param *kp)
-{
-	char *abuf, *v, *nv, *nvp;
-	struct qib_devdata *dd;
-	u32 vlen, nf, port = 0;
-	u8 h1, tx[4]; /* amp, pre, post, main */
-	int ret =  -EINVAL;
-	char *seplist;
-
-	vlen = strlen(str) + 1;
-	abuf = kmalloc(vlen, GFP_KERNEL);
-	if (!abuf) {
-		printk(KERN_INFO QIB_DRV_NAME
-		       " Unable to allocate QME param buffer; ignoring\n");
-		return 0;
-	}
-	strncpy(abuf, str, vlen);
-
-	v = abuf;
-	seplist = " \t";
-	h1 = H1_FORCE_QME; /* gcc can't figure out always set before used */
-
-	for (nf = 0; (nv = strsep(&v, seplist)); ) {
-		u32 val;
-
-		if (!*nv)
-			/* allow for multiple separators */
-			continue;
-
-		if (!nf && *nv == 'P') {
-			/* alternate format with port */
-			val = simple_strtoul(++nv, &nvp, 0);
-			if (nv == nvp || port >= NUM_IB_PORTS) {
-				printk(KERN_INFO QIB_DRV_NAME
-				       " %s: non-numeric port value (%s) "
-				       "ignoring rest\n", __func__, nv);
-				goto done;
-			}
-			port = val;
-			continue; /* without incrementing nf */
-		}
-		val = simple_strtoul(nv, &nvp, 0);
-		if (nv == nvp) {
-			printk(KERN_INFO QIB_DRV_NAME
-			       " %s: non-numeric value (%s) "
-			       "field #%u, ignoring rest\n", __func__,
-			       nv, nf);
-			goto done;
-		}
-		if (!nf) {
-			h1 = val;
-			seplist = ",";
-		} else
-			tx[nf - 1] = val;
-		if (++nf == N_QME_FIELDS) {
-			list_for_each_entry(dd, &qib_dev_list, list) {
-				int pidx, i;
-				if (dd->deviceid != PCI_DEVICE_ID_QLOGIC_IB_7322
-				    || !IS_QME(dd))
-					continue; /* only for QME cards */
-				for (pidx = 0; pidx < dd->num_pports; ++pidx) {
-					struct qib_pportdata *ppd;
-					ppd = &dd->pport[pidx];
-					if ((port && ppd->port != port) ||
-						!ppd->link_speed_supported)
-						continue;
-					ppd->cpspec->h1_val = h1;
-					for (i = 0; i < SERDES_CHANS; i++) {
-						ppd->cpspec->amp[i] = tx[0];
-						ppd->cpspec->pre[i] = tx[1];
-						ppd->cpspec->post[i] = tx[2];
-						ppd->cpspec->mainv[i] = tx[3];
-					}
-					adj_tx_serdes(ppd);
-				}
-			}
-			ret = 0;
-			goto done;
-		}
-	}
-	printk(KERN_INFO QIB_DRV_NAME
-	       " %s: Only %u of %u fields provided, skipping\n",
-	       __func__, nf, N_QME_FIELDS);
-done:
-	kfree(abuf);
-	return ret;
-}
-
 #define SJA_EN SYM_MASK(SPC_JTAG_ACCESS_REG, SPC_JTAG_ACCESS_EN)
 #define BISTEN_LSB SYM_LSB(SPC_JTAG_ACCESS_REG, bist_en)
 

From 46bfbb5c0740c200d2b66afcbd1f9d64ab320940 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 26 May 2010 11:04:10 -0400
Subject: [PATCH 3246/3638] Btrfs: fix preallocation and nodatacow checks in
 O_DIRECT

The O_DIRECT code wasn't checking for multiple references
on preallocated or nodatacow extents.  This means it
wasn't honoring snapshots properly.

The fix here is to add an explicit check for multiple references
This also fixes the math for selecting the correct disk block,
making sure not to go past the end of the extent.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 156 ++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 140 insertions(+), 16 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5d62f21b2e4..5ab120d544b 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5255,6 +5255,106 @@ out:
 	return em;
 }
 
+/*
+ * returns 1 when the nocow is safe, < 1 on error, 0 if the
+ * block must be cow'd
+ */
+static noinline int can_nocow_odirect(struct btrfs_trans_handle *trans,
+				      struct inode *inode, u64 offset, u64 len)
+{
+	struct btrfs_path *path;
+	int ret;
+	struct extent_buffer *leaf;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_file_extent_item *fi;
+	struct btrfs_key key;
+	u64 disk_bytenr;
+	u64 backref_offset;
+	u64 extent_end;
+	u64 num_bytes;
+	int slot;
+	int found_type;
+
+	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
+
+	ret = btrfs_lookup_file_extent(trans, root, path, inode->i_ino,
+				       offset, 0);
+	if (ret < 0)
+		goto out;
+
+	slot = path->slots[0];
+	if (ret == 1) {
+		if (slot == 0) {
+			/* can't find the item, must cow */
+			ret = 0;
+			goto out;
+		}
+		slot--;
+	}
+	ret = 0;
+	leaf = path->nodes[0];
+	btrfs_item_key_to_cpu(leaf, &key, slot);
+	if (key.objectid != inode->i_ino ||
+	    key.type != BTRFS_EXTENT_DATA_KEY) {
+		/* not our file or wrong item type, must cow */
+		goto out;
+	}
+
+	if (key.offset > offset) {
+		/* Wrong offset, must cow */
+		goto out;
+	}
+
+	fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);
+	found_type = btrfs_file_extent_type(leaf, fi);
+	if (found_type != BTRFS_FILE_EXTENT_REG &&
+	    found_type != BTRFS_FILE_EXTENT_PREALLOC) {
+		/* not a regular extent, must cow */
+		goto out;
+	}
+	disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
+	backref_offset = btrfs_file_extent_offset(leaf, fi);
+
+	extent_end = key.offset + btrfs_file_extent_num_bytes(leaf, fi);
+	if (extent_end < offset + len) {
+		/* extent doesn't include our full range, must cow */
+		goto out;
+	}
+
+	if (btrfs_extent_readonly(root, disk_bytenr))
+		goto out;
+
+	/*
+	 * look for other files referencing this extent, if we
+	 * find any we must cow
+	 */
+	if (btrfs_cross_ref_exist(trans, root, inode->i_ino,
+				  key.offset - backref_offset, disk_bytenr))
+		goto out;
+
+	/*
+	 * adjust disk_bytenr and num_bytes to cover just the bytes
+	 * in this extent we are about to write.  If there
+	 * are any csums in that range we have to cow in order
+	 * to keep the csums correct
+	 */
+	disk_bytenr += backref_offset;
+	disk_bytenr += offset - key.offset;
+	num_bytes = min(offset + len, extent_end) - offset;
+	if (csum_exist_in_range(root, disk_bytenr, num_bytes))
+				goto out;
+	/*
+	 * all of the above have passed, it is safe to overwrite this extent
+	 * without cow
+	 */
+	ret = 1;
+out:
+	btrfs_free_path(path);
+	return ret;
+}
+
 static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
 				   struct buffer_head *bh_result, int create)
 {
@@ -5262,6 +5362,7 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	u64 start = iblock << inode->i_blkbits;
 	u64 len = bh_result->b_size;
+	struct btrfs_trans_handle *trans;
 
 	em = btrfs_get_extent(inode, NULL, 0, start, len, 0);
 	if (IS_ERR(em))
@@ -5306,42 +5407,65 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
 	 * just use the extent.
 	 *
 	 */
-	if (!create)
+	if (!create) {
+		len = em->len - (start - em->start);
 		goto map;
+	}
 
 	if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags) ||
 	    ((BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) &&
 	     em->block_start != EXTENT_MAP_HOLE)) {
-		u64 block_start;
 		int type;
 		int ret;
+		u64 block_start;
 
 		if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
 			type = BTRFS_ORDERED_PREALLOC;
 		else
 			type = BTRFS_ORDERED_NOCOW;
-		len = min(len, em->block_len - (start - em->start));
+		len = min(len, em->len - (start - em->start));
 		block_start = em->block_start + (start - em->start);
-		ret = btrfs_add_ordered_extent_dio(inode, start,
-						   start, len, len, type);
-		if (ret) {
-			free_extent_map(em);
-			return ret;
+
+		/*
+		 * we're not going to log anything, but we do need
+		 * to make sure the current transaction stays open
+		 * while we look for nocow cross refs
+		 */
+		trans = btrfs_join_transaction(root, 0);
+		if (!trans)
+			goto must_cow;
+
+		if (can_nocow_odirect(trans, inode, start, len) == 1) {
+			ret = btrfs_add_ordered_extent_dio(inode, start,
+					   block_start, len, len, type);
+			btrfs_end_transaction(trans, root);
+			if (ret) {
+				free_extent_map(em);
+				return ret;
+			}
+			goto unlock;
 		}
-	} else {
-		free_extent_map(em);
-		em = btrfs_new_extent_direct(inode, start, len);
-		if (IS_ERR(em))
-			return PTR_ERR(em);
-		len = min(len, em->block_len);
+		btrfs_end_transaction(trans, root);
 	}
+must_cow:
+	/*
+	 * this will cow the extent, reset the len in case we changed
+	 * it above
+	 */
+	len = bh_result->b_size;
+	free_extent_map(em);
+	em = btrfs_new_extent_direct(inode, start, len);
+	if (IS_ERR(em))
+		return PTR_ERR(em);
+	len = min(len, em->len - (start - em->start));
+unlock:
 	clear_extent_bit(&BTRFS_I(inode)->io_tree, start, start + len - 1,
 			  EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DIRTY, 1,
 			  0, NULL, GFP_NOFS);
 map:
 	bh_result->b_blocknr = (em->block_start + (start - em->start)) >>
 		inode->i_blkbits;
-	bh_result->b_size = em->len - (start - em->start);
+	bh_result->b_size = len;
 	bh_result->b_bdev = em->bdev;
 	set_buffer_mapped(bh_result);
 	if (create && !test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
@@ -5547,7 +5671,7 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
 		bvec++;
 	} while (bvec <= (bio->bi_io_vec + bio->bi_vcnt - 1));
 
-	dip->disk_bytenr = bio->bi_sector << 9;
+	dip->disk_bytenr = (u64)bio->bi_sector << 9;
 	bio->bi_private = dip;
 
 	if (write)

From 5bdd3536cbbe2ecd94ecc14410c6b1b31da16381 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Wed, 26 May 2010 11:20:30 -0400
Subject: [PATCH 3247/3638] Btrfs: Fix block generation verification race

After the path is released, the generation number got from block
pointer is no long valid. The race may cause disk corruption, because
verify_parent_transid() calls clear_extent_buffer_uptodate() when
generation numbers mismatch.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index acd532af8e5..0d1d966b0fe 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1604,7 +1604,7 @@ read_block_for_search(struct btrfs_trans_handle *trans,
 	btrfs_release_path(NULL, p);
 
 	ret = -EAGAIN;
-	tmp = read_tree_block(root, blocknr, blocksize, gen);
+	tmp = read_tree_block(root, blocknr, blocksize, 0);
 	if (tmp) {
 		/*
 		 * If the read above didn't mark this buffer up to date,

From 933b585f70d524f1b6f0f6867bedb11d3dd82d3b Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 26 May 2010 11:31:00 -0400
Subject: [PATCH 3248/3638] Btrfs: drop verbose enospc printk

Less printk is good printk.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent-tree.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index d61a799fe32..6c14101506e 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2944,6 +2944,7 @@ alloc:
 			goto again;
 		}
 
+#if 0 /* I hope we never need this code again, just in case */
 		printk(KERN_ERR "no space left, need %llu, %llu bytes_used, "
 		       "%llu bytes_reserved, " "%llu bytes_pinned, "
 		       "%llu bytes_readonly, %llu may use %llu total\n",
@@ -2954,6 +2955,7 @@ alloc:
 		       (unsigned long long)data_sinfo->bytes_readonly,
 		       (unsigned long long)data_sinfo->bytes_may_use,
 		       (unsigned long long)data_sinfo->total_bytes);
+#endif
 		return -ENOSPC;
 	}
 	data_sinfo->bytes_may_use += bytes;

From 5a5f79b57069c5691f5b6fd8381fdf487f548ae5 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 26 May 2010 21:33:37 -0400
Subject: [PATCH 3249/3638] Btrfs: allow unaligned DIO

In order to support DIO that isn't aligned to the filesystem blocksize,
we fall back to buffered for any unaligned DIOs.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5ab120d544b..6866c36c26f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5722,6 +5722,32 @@ free_ordered:
 	bio_endio(bio, ret);
 }
 
+static ssize_t check_direct_IO(struct btrfs_root *root, int rw, struct kiocb *iocb,
+			const struct iovec *iov, loff_t offset,
+			unsigned long nr_segs)
+{
+	int seg;
+	size_t size;
+	unsigned long addr;
+	unsigned blocksize_mask = root->sectorsize - 1;
+	ssize_t retval = -EINVAL;
+	loff_t end = offset;
+
+	if (offset & blocksize_mask)
+		goto out;
+
+	/* Check the memory alignment.  Blocks cannot straddle pages */
+	for (seg = 0; seg < nr_segs; seg++) {
+		addr = (unsigned long)iov[seg].iov_base;
+		size = iov[seg].iov_len;
+		end += size;
+		if ((addr & blocksize_mask) || (size & blocksize_mask)) 
+			goto out;
+	}
+	retval = 0;
+out:
+	return retval;
+}
 static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
 			const struct iovec *iov, loff_t offset,
 			unsigned long nr_segs)
@@ -5736,6 +5762,11 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
 	int write_bits = 0;
 	size_t count = iov_length(iov, nr_segs);
 
+	if (check_direct_IO(BTRFS_I(inode)->root, rw, iocb, iov,
+			    offset, nr_segs)) {
+		return 0;
+	}
+
 	lockstart = offset;
 	lockend = offset + count - 1;
 
@@ -5784,9 +5815,10 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
 	free_extent_state(cached_state);
 	cached_state = NULL;
 
-	ret = __blockdev_direct_IO(rw, iocb, inode, NULL, iov, offset, nr_segs,
-				   btrfs_get_blocks_direct, NULL,
-				   btrfs_submit_direct, 0);
+	ret = __blockdev_direct_IO(rw, iocb, inode,
+		   BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev,
+		   iov, offset, nr_segs, btrfs_get_blocks_direct, NULL,
+		   btrfs_submit_direct, 0);
 
 	if (ret < 0 && ret != -EIOCBQUEUED) {
 		clear_extent_bit(&BTRFS_I(inode)->io_tree, offset,

From 6b2c676bf32be91f43215d5874c07c1becaba013 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Tue, 11 May 2010 16:50:52 -0400
Subject: [PATCH 3250/3638] cpuidle: fail to register if !CONFIG_CPU_IDLE

Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/linux/cpuidle.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index dcf77fa826b..f5e6480dc16 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -137,16 +137,16 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev);
 #else
 
 static inline int cpuidle_register_driver(struct cpuidle_driver *drv)
-{return 0;}
+{return -ENODEV; }
 static inline void cpuidle_unregister_driver(struct cpuidle_driver *drv) { }
 static inline int cpuidle_register_device(struct cpuidle_device *dev)
-{return 0;}
+{return -ENODEV; }
 static inline void cpuidle_unregister_device(struct cpuidle_device *dev) { }
 
 static inline void cpuidle_pause_and_lock(void) { }
 static inline void cpuidle_resume_and_unlock(void) { }
 static inline int cpuidle_enable_device(struct cpuidle_device *dev)
-{return 0;}
+{return -ENODEV; }
 static inline void cpuidle_disable_device(struct cpuidle_device *dev) { }
 
 #endif

From 067fb2f648543894ce775082c5636f4c32b99e4f Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Wed, 26 May 2010 23:30:55 -0700
Subject: [PATCH 3251/3638] Input: ads7846 - return error on regulator_get()
 failure

In probe(), if regulator_get() failed, an error code was not being
returned causing the driver to be successfully bound, even though
probe failed.  This in turn caused the suspend, resume and remove
methods to be registered and accessed via the SPI core.  Since these
functions all access private driver data using pointers that had been
freed during the failed probe, this would lead to unpredictable
behavior.

This patch ensures that probe() returns an error code in this failure
case so the driver is not bound.

Found using lockdep and noticing the lock used in the suspend/resum
path pointed to a bogus lock due to the freed memory.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/touchscreen/ads7846.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 532279cda0e..634f6f6b9b1 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -1163,8 +1163,8 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 
 	ts->reg = regulator_get(&spi->dev, "vcc");
 	if (IS_ERR(ts->reg)) {
-		dev_err(&spi->dev, "unable to get regulator: %ld\n",
-			PTR_ERR(ts->reg));
+		err = PTR_ERR(ts->reg);
+		dev_err(&spi->dev, "unable to get regulator: %ld\n", err);
 		goto err_free_gpio;
 	}
 

From 388bbcade41ee68d2d1ebb51a538380ea48ae599 Mon Sep 17 00:00:00 2001
From: Ondrej Zary <linux@rainbow-software.org>
Date: Wed, 26 May 2010 23:30:54 -0700
Subject: [PATCH 3252/3638] Input: usbtouchscreen - support bigger iNexio
 touchscreens

Bigger Nexio touchscreens not only send more data but also the header
values are modified somewhat.  Fix the header (it's a guesswork but
it works at least on one 46" touchscreen with 2.00SMS firmware) and
also increase rept_size.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/touchscreen/usbtouchscreen.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 0b0ae2e17a6..82227b00d4b 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -857,6 +857,11 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
 	if ((pkt[0] & 0xe0) != 0xe0)
 		return 0;
 
+	if (be16_to_cpu(packet->data_len) > 0xff)
+		packet->data_len = cpu_to_be16(be16_to_cpu(packet->data_len) - 0x100);
+	if (be16_to_cpu(packet->x_len) > 0xff)
+		packet->x_len = cpu_to_be16(be16_to_cpu(packet->x_len) - 0x80);
+
 	/* send ACK */
 	ret = usb_submit_urb(priv->ack, GFP_ATOMIC);
 
@@ -1112,7 +1117,7 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
 
 #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO
 	[DEVTYPE_NEXIO] = {
-		.rept_size	= 128,
+		.rept_size	= 1024,
 		.irq_always	= true,
 		.read_data	= nexio_read_data,
 		.init		= nexio_init,

From a39e33eb2a9d6afa79021ba1de2aa7d1039f4e53 Mon Sep 17 00:00:00 2001
From: Jerone Young <jerone.young@canonical.com>
Date: Wed, 26 May 2010 10:06:01 -0500
Subject: [PATCH 3253/3638] ALSA: hda - Add support for Thinkpad Edge conexant
 chip

This quirks in support for the Thinkpad Edge.

Signed-off-by: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_conexant.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index e863649d31f..f4a2bd62166 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -2975,6 +2975,7 @@ static struct snd_pci_quirk cxt5066_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x1179, 0xff50, "Toshiba Satellite P500-PSPGSC-01800T", CXT5066_OLPC_XO_1_5),
 	SND_PCI_QUIRK(0x1179, 0xffe0, "Toshiba Satellite Pro T130-15F", CXT5066_OLPC_XO_1_5),
 	SND_PCI_QUIRK(0x17aa, 0x21b2, "Thinkpad X100e", CXT5066_IDEAPAD),
+	SND_PCI_QUIRK(0x17aa, 0x21b4, "Thinkpad Edge", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x3a0d, "ideapad", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo Thinkpad", CXT5066_THINKPAD),
 	{}

From 1efddcc981c95e62c4e305fd462e3e98b6f9c5cd Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 17:59:27 +0200
Subject: [PATCH 3254/3638] sound: Add missing spin_unlock

Add a spin_unlock missing on the error path.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E1;
@@

* spin_lock(E1,...);
  <+... when != E1
  if (...) {
    ... when != E1
*   return ...;
  }
  ...+>
* spin_unlock(E1,...);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/mips/au1x00.c                 | 1 +
 sound/oss/dmasound/dmasound_atari.c | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c
index 3e763d6a5d6..446cf974866 100644
--- a/sound/mips/au1x00.c
+++ b/sound/mips/au1x00.c
@@ -516,6 +516,7 @@ get the interrupt driven case to work efficiently */
 			break;
 	if (i == 0x5000) {
 		printk(KERN_ERR "au1000 AC97: AC97 command read timeout\n");
+		spin_unlock(&au1000->ac97_lock);
 		return 0;
 	}
 
diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c
index 1f477412306..13c214466d3 100644
--- a/sound/oss/dmasound/dmasound_atari.c
+++ b/sound/oss/dmasound/dmasound_atari.c
@@ -1277,7 +1277,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy)
 		 * (almost) like on the TT.
 		 */
 		write_sq_ignore_int = 0;
-		return IRQ_HANDLED;
+		goto out;
 	}
 
 	if (!write_sq.active) {
@@ -1285,7 +1285,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy)
 		 * the sq variables, so better don't do anything here.
 		 */
 		WAKE_UP(write_sq.sync_queue);
-		return IRQ_HANDLED;
+		goto out;
 	}
 
 	/* Probably ;) one frame is finished. Well, in fact it may be that a
@@ -1322,6 +1322,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy)
 	/* We are not playing after AtaPlay(), so there
 	   is nothing to play any more. Wake up a process
 	   waiting for audio output to drain. */
+out:
 	spin_unlock(&dmasound.lock);
 	return IRQ_HANDLED;
 }

From 74754f974b36c5a1156be46d0da05ab2c0a0960b Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Wed, 26 May 2010 18:11:36 +0200
Subject: [PATCH 3255/3638] ALSA: usb-audio: parse more format descriptors with
 structs

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/endpoint.c | 11 +++++++----
 sound/usb/format.c   | 20 ++++++++++----------
 sound/usb/format.h   |  7 ++++---
 3 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index ef07a6d0dd5..4887342cae2 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -158,8 +158,9 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
 	int i, altno, err, stream;
 	int format = 0, num_channels = 0;
 	struct audioformat *fp = NULL;
-	unsigned char *fmt, *csep;
+	unsigned char *csep;
 	int num, protocol;
+	struct uac_format_type_i_continuous_descriptor *fmt;
 
 	dev = chip->dev;
 
@@ -256,8 +257,8 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
 				   dev->devnum, iface_no, altno);
 			continue;
 		}
-		if (((protocol == UAC_VERSION_1) && (fmt[0] < 8)) ||
-		    ((protocol == UAC_VERSION_2) && (fmt[0] != 6))) {
+		if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) ||
+		    ((protocol == UAC_VERSION_2) && (fmt->bLength != 6))) {
 			snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n",
 				   dev->devnum, iface_no, altno);
 			continue;
@@ -268,7 +269,9 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
 		 * with the previous one, except for a larger packet size, but
 		 * is actually a mislabeled two-channel setting; ignore it.
 		 */
-		if (fmt[4] == 1 && fmt[5] == 2 && altno == 2 && num == 3 &&
+		if (fmt->bNrChannels == 1 &&
+		    fmt->bSubframeSize == 2 &&
+		    altno == 2 && num == 3 &&
 		    fp && fp->altsetting == 1 && fp->channels == 1 &&
 		    fp->formats == SNDRV_PCM_FMTBIT_S16_LE &&
 		    protocol == UAC_VERSION_1 &&
diff --git a/sound/usb/format.c b/sound/usb/format.c
index b87cf87c4e7..caaa3ef9e62 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -278,12 +278,11 @@ err:
  * parse the format type I and III descriptors
  */
 static int parse_audio_format_i(struct snd_usb_audio *chip,
-				struct audioformat *fp,
-				int format, void *_fmt,
+				struct audioformat *fp, int format,
+				struct uac_format_type_i_continuous_descriptor *fmt,
 				struct usb_host_interface *iface)
 {
 	struct usb_interface_descriptor *altsd = get_iface_desc(iface);
-	struct uac_format_type_i_discrete_descriptor *fmt = _fmt;
 	int protocol = altsd->bInterfaceProtocol;
 	int pcm_format, ret;
 
@@ -320,7 +319,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
 	switch (protocol) {
 	case UAC_VERSION_1:
 		fp->channels = fmt->bNrChannels;
-		ret = parse_audio_format_rates_v1(chip, fp, _fmt, 7);
+		ret = parse_audio_format_rates_v1(chip, fp, (unsigned char *) fmt, 7);
 		break;
 	case UAC_VERSION_2:
 		/* fp->channels is already set in this case */
@@ -392,12 +391,12 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
 }
 
 int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *fp,
-		       int format, unsigned char *fmt, int stream,
-		       struct usb_host_interface *iface)
+			       int format, struct uac_format_type_i_continuous_descriptor *fmt,
+			       int stream, struct usb_host_interface *iface)
 {
 	int err;
 
-	switch (fmt[3]) {
+	switch (fmt->bFormatType) {
 	case UAC_FORMAT_TYPE_I:
 	case UAC_FORMAT_TYPE_III:
 		err = parse_audio_format_i(chip, fp, format, fmt, iface);
@@ -407,10 +406,11 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *f
 		break;
 	default:
 		snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n",
-			   chip->dev->devnum, fp->iface, fp->altsetting, fmt[3]);
+			   chip->dev->devnum, fp->iface, fp->altsetting,
+			   fmt->bFormatType);
 		return -1;
 	}
-	fp->fmt_type = fmt[3];
+	fp->fmt_type = fmt->bFormatType;
 	if (err < 0)
 		return err;
 #if 1
@@ -421,7 +421,7 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *f
 	if (chip->usb_id == USB_ID(0x041e, 0x3000) ||
 	    chip->usb_id == USB_ID(0x041e, 0x3020) ||
 	    chip->usb_id == USB_ID(0x041e, 0x3061)) {
-		if (fmt[3] == UAC_FORMAT_TYPE_I &&
+		if (fmt->bFormatType == UAC_FORMAT_TYPE_I &&
 		    fp->rates != SNDRV_PCM_RATE_48000 &&
 		    fp->rates != SNDRV_PCM_RATE_96000)
 			return -1;
diff --git a/sound/usb/format.h b/sound/usb/format.h
index 8298c4e8ddf..387924f0af8 100644
--- a/sound/usb/format.h
+++ b/sound/usb/format.h
@@ -1,8 +1,9 @@
 #ifndef __USBAUDIO_FORMAT_H
 #define __USBAUDIO_FORMAT_H
 
-int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *fp,
-			       int format, unsigned char *fmt, int stream,
-			       struct usb_host_interface *iface);
+int snd_usb_parse_audio_format(struct snd_usb_audio *chip,
+			       struct audioformat *fp, int format,
+			       struct uac_format_type_i_continuous_descriptor *fmt,
+			       int stream, struct usb_host_interface *iface);
 
 #endif /*  __USBAUDIO_FORMAT_H */

From 8d0912427113723c3f3a4dca631638844c4ab649 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Wed, 26 May 2010 18:11:37 +0200
Subject: [PATCH 3256/3638] ALSA: usb-audio: fix return values

-1 is not a good return value as it means -EPERM, "not permitted".
Choose -ENOTSUPP instead, which is what the code really wants to tell
its callers.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/format.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/usb/format.c b/sound/usb/format.c
index caaa3ef9e62..fe29d61de19 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -408,7 +408,7 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *f
 		snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n",
 			   chip->dev->devnum, fp->iface, fp->altsetting,
 			   fmt->bFormatType);
-		return -1;
+		return -ENOTSUPP;
 	}
 	fp->fmt_type = fmt->bFormatType;
 	if (err < 0)
@@ -424,7 +424,7 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *f
 		if (fmt->bFormatType == UAC_FORMAT_TYPE_I &&
 		    fp->rates != SNDRV_PCM_RATE_48000 &&
 		    fp->rates != SNDRV_PCM_RATE_96000)
-			return -1;
+			return -ENOTSUPP;
 	}
 #endif
 	return 0;

From 43b8e3bc4af0b435fddaa59e827ca1010b024492 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Wed, 26 May 2010 18:11:38 +0200
Subject: [PATCH 3257/3638] ALSA: usb-audio: parse UAC2 endpoint descriptors
 correctly

UAC2 devices have their information about pitch control stored in a
different field. Parse it, and emulate the bits for a v1 device.

A new struct uac2_iso_endpoint_descriptor is added.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 include/linux/usb/audio-v2.h | 16 +++++++++++
 sound/usb/endpoint.c         | 55 +++++++++++++++++++++++++++---------
 2 files changed, 58 insertions(+), 13 deletions(-)

diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index 2389f93a28b..92f1d99f0f1 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -105,6 +105,22 @@ struct uac_as_header_descriptor_v2 {
 	__u8 iChannelNames;
 } __attribute__((packed));
 
+/* 4.10.1.2 Class-Specific AS Isochronous Audio Data Endpoint Descriptor */
+
+struct uac2_iso_endpoint_descriptor {
+	__u8  bLength;			/* in bytes: 8 */
+	__u8  bDescriptorType;		/* USB_DT_CS_ENDPOINT */
+	__u8  bDescriptorSubtype;	/* EP_GENERAL */
+	__u8  bmAttributes;
+	__u8  bmControls;
+	__u8  bLockDelayUnits;
+	__le16 wLockDelay;
+} __attribute__((packed));
+
+#define UAC2_CONTROL_PITCH		(3 << 0)
+#define UAC2_CONTROL_DATA_OVERRUN	(3 << 2)
+#define UAC2_CONTROL_DATA_UNDERRUN	(3 << 4)
+
 /* 6.1 Interrupt Data Message */
 
 #define UAC2_INTERRUPT_DATA_MSG_VENDOR	(1 << 0)
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 4887342cae2..28ee1ce3971 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -149,6 +149,47 @@ int snd_usb_add_audio_endpoint(struct snd_usb_audio *chip, int stream, struct au
 	return 0;
 }
 
+static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
+					 struct usb_host_interface *alts,
+					 int protocol, int iface_no)
+{
+	/* parsed with a v1 header here. that's ok as we only look at the
+	 * header first which is the same for both versions */
+	struct uac_iso_endpoint_descriptor *csep;
+	struct usb_interface_descriptor *altsd = get_iface_desc(alts);
+	int attributes = 0;
+
+	csep = snd_usb_find_desc(alts->endpoint[0].extra, alts->endpoint[0].extralen, NULL, USB_DT_CS_ENDPOINT);
+
+	/* Creamware Noah has this descriptor after the 2nd endpoint */
+	if (!csep && altsd->bNumEndpoints >= 2)
+		csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT);
+
+	if (!csep || csep->bLength < 7 ||
+	    csep->bDescriptorSubtype != UAC_EP_GENERAL) {
+		snd_printk(KERN_WARNING "%d:%u:%d : no or invalid"
+			   " class specific endpoint descriptor\n",
+			   chip->dev->devnum, iface_no,
+			   altsd->bAlternateSetting);
+		return 0;
+	}
+
+	if (protocol == UAC_VERSION_1) {
+		attributes = csep->bmAttributes;
+	} else {
+		struct uac2_iso_endpoint_descriptor *csep2 =
+			(struct uac2_iso_endpoint_descriptor *) csep;
+
+		attributes = csep->bmAttributes & UAC_EP_CS_ATTR_FILL_MAX;
+
+		/* emulate the endpoint attributes of a v1 device */
+		if (csep2->bmControls & UAC2_CONTROL_PITCH)
+			attributes |= UAC_EP_CS_ATTR_PITCH_CONTROL;
+	}
+
+	return attributes;
+}
+
 int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
 {
 	struct usb_device *dev;
@@ -158,7 +199,6 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
 	int i, altno, err, stream;
 	int format = 0, num_channels = 0;
 	struct audioformat *fp = NULL;
-	unsigned char *csep;
 	int num, protocol;
 	struct uac_format_type_i_continuous_descriptor *fmt;
 
@@ -279,17 +319,6 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
 							fp->maxpacksize * 2)
 			continue;
 
-		csep = snd_usb_find_desc(alts->endpoint[0].extra, alts->endpoint[0].extralen, NULL, USB_DT_CS_ENDPOINT);
-		/* Creamware Noah has this descriptor after the 2nd endpoint */
-		if (!csep && altsd->bNumEndpoints >= 2)
-			csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT);
-		if (!csep || csep[0] < 7 || csep[2] != UAC_EP_GENERAL) {
-			snd_printk(KERN_WARNING "%d:%u:%d : no or invalid"
-				   " class specific endpoint descriptor\n",
-				   dev->devnum, iface_no, altno);
-			csep = NULL;
-		}
-
 		fp = kzalloc(sizeof(*fp), GFP_KERNEL);
 		if (! fp) {
 			snd_printk(KERN_ERR "cannot malloc\n");
@@ -308,7 +337,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
 		if (snd_usb_get_speed(dev) == USB_SPEED_HIGH)
 			fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1)
 					* (fp->maxpacksize & 0x7ff);
-		fp->attributes = csep ? csep[3] : 0;
+		fp->attributes = parse_uac_endpoint_attributes(chip, alts, protocol, iface_no);
 
 		/* some quirks for attributes here */
 

From 92c256110fa9566de639ef8948b4fb430aa495b3 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Wed, 26 May 2010 18:11:39 +0200
Subject: [PATCH 3258/3638] ALSA: usb-audio: add support for UAC2 pitch control

This request is again handled differently in comparison to UAC1.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/pcm.c | 37 ++++++++++++++++++++++++++++++-------
 1 file changed, 30 insertions(+), 7 deletions(-)

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 2bf0d77d176..056587de7be 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -120,10 +120,6 @@ static int init_pitch_v1(struct snd_usb_audio *chip, int iface,
 
 	ep = get_endpoint(alts, 0)->bEndpointAddress;
 
-	/* if endpoint doesn't have pitch control, bail out */
-	if (!(fmt->attributes & UAC_EP_CS_ATTR_PITCH_CONTROL))
-		return 0;
-
 	data[0] = 1;
 	if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
 				   USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
@@ -137,8 +133,32 @@ static int init_pitch_v1(struct snd_usb_audio *chip, int iface,
 	return 0;
 }
 
+static int init_pitch_v2(struct snd_usb_audio *chip, int iface,
+			 struct usb_host_interface *alts,
+			 struct audioformat *fmt)
+{
+	struct usb_device *dev = chip->dev;
+	unsigned char data[1];
+	unsigned int ep;
+	int err;
+
+	ep = get_endpoint(alts, 0)->bEndpointAddress;
+
+	data[0] = 1;
+	if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR,
+				   USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT,
+				   UAC2_EP_CS_PITCH << 8, 0,
+				   data, sizeof(data), 1000)) < 0) {
+		snd_printk(KERN_ERR "%d:%d:%d: cannot set enable PITCH (v2)\n",
+			   dev->devnum, iface, fmt->altsetting);
+		return err;
+	}
+
+	return 0;
+}
+
 /*
- * initialize the picth control and sample rate
+ * initialize the pitch control and sample rate
  */
 int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
 		       struct usb_host_interface *alts,
@@ -146,13 +166,16 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
 {
 	struct usb_interface_descriptor *altsd = get_iface_desc(alts);
 
+	/* if endpoint doesn't have pitch control, bail out */
+	if (!(fmt->attributes & UAC_EP_CS_ATTR_PITCH_CONTROL))
+		return 0;
+
 	switch (altsd->bInterfaceProtocol) {
 	case UAC_VERSION_1:
 		return init_pitch_v1(chip, iface, alts, fmt);
 
 	case UAC_VERSION_2:
-		/* not implemented yet */
-		return 0;
+		return init_pitch_v2(chip, iface, alts, fmt);
 	}
 
 	return -EINVAL;

From f038e27c9e9adc166b6004e3a09cc57d61fdbd7b Mon Sep 17 00:00:00 2001
From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Thu, 27 May 2010 17:53:51 +1200
Subject: [PATCH 3259/3638] ALSA: asihpi - Remove unused io map functions

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/asihpi/hpios.c | 23 -----------------------
 sound/pci/asihpi/hpios.h |  9 ---------
 2 files changed, 32 deletions(-)

diff --git a/sound/pci/asihpi/hpios.c b/sound/pci/asihpi/hpios.c
index de615cfdb95..742ee12a9e1 100644
--- a/sound/pci/asihpi/hpios.c
+++ b/sound/pci/asihpi/hpios.c
@@ -89,26 +89,3 @@ u16 hpios_locked_mem_free(struct consistent_dma_area *p_mem_area)
 void hpios_locked_mem_free_all(void)
 {
 }
-
-void __iomem *hpios_map_io(struct pci_dev *pci_dev, int idx,
-	unsigned int length)
-{
-	HPI_DEBUG_LOG(DEBUG, "mapping %d %s %08llx-%08llx %04llx len 0x%x\n",
-		idx, pci_dev->resource[idx].name,
-		(unsigned long long)pci_resource_start(pci_dev, idx),
-		(unsigned long long)pci_resource_end(pci_dev, idx),
-		(unsigned long long)pci_resource_flags(pci_dev, idx), length);
-
-	if (!(pci_resource_flags(pci_dev, idx) & IORESOURCE_MEM)) {
-		HPI_DEBUG_LOG(ERROR, "not an io memory resource\n");
-		return NULL;
-	}
-
-	if (length > pci_resource_len(pci_dev, idx)) {
-		HPI_DEBUG_LOG(ERROR, "resource too small for requested %d \n",
-			length);
-		return NULL;
-	}
-
-	return ioremap(pci_resource_start(pci_dev, idx), length);
-}
diff --git a/sound/pci/asihpi/hpios.h b/sound/pci/asihpi/hpios.h
index a62c3f1e5f0..370f39b43f8 100644
--- a/sound/pci/asihpi/hpios.h
+++ b/sound/pci/asihpi/hpios.h
@@ -166,13 +166,4 @@ struct hpi_adapter {
 	void __iomem *ap_remapped_mem_base[HPI_MAX_ADAPTER_MEM_SPACES];
 };
 
-static inline void hpios_unmap_io(void __iomem *addr,
-	unsigned long size)
-{
-	iounmap(addr);
-}
-
-void __iomem *hpios_map_io(struct pci_dev *pci_dev, int idx,
-	unsigned int length);
-
 #endif

From 5a498ef1732ee3cc19b319bf7edcf428c5fad6fd Mon Sep 17 00:00:00 2001
From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Thu, 27 May 2010 17:53:52 +1200
Subject: [PATCH 3260/3638] ALSA: asihpi - Add hd radio blend functions

Add hd radio blend functions. HPI version inc to 4.03.25.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/asihpi/hpi.h          |  8 +++++++-
 sound/pci/asihpi/hpi_internal.h |  5 +++++
 sound/pci/asihpi/hpifunc.c      | 17 +++++++++++++++--
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/sound/pci/asihpi/hpi.h b/sound/pci/asihpi/hpi.h
index 99400de6c07..0173bbe62b6 100644
--- a/sound/pci/asihpi/hpi.h
+++ b/sound/pci/asihpi/hpi.h
@@ -50,7 +50,7 @@ i.e 3.05.02 is a development version
 #define HPI_VER_RELEASE(v) ((int)(v & 0xFF))
 
 /* Use single digits for versions less that 10 to avoid octal. */
-#define HPI_VER HPI_VERSION_CONSTRUCTOR(4L, 3, 18)
+#define HPI_VER HPI_VERSION_CONSTRUCTOR(4L, 3, 25)
 
 /* Library version as documented in hpi-api-versions.txt */
 #define HPI_LIB_VER  HPI_VERSION_CONSTRUCTOR(9, 0, 0)
@@ -1632,6 +1632,12 @@ u16 hpi_tuner_get_hd_radio_sdk_version(const struct hpi_hsubsys *ph_subsys,
 u16 hpi_tuner_get_hd_radio_signal_quality(const struct hpi_hsubsys *ph_subsys,
 	u32 h_control, u32 *pquality);
 
+u16 hpi_tuner_get_hd_radio_signal_blend(const struct hpi_hsubsys *ph_subsys,
+	u32 h_control, u32 *pblend);
+
+u16 hpi_tuner_set_hd_radio_signal_blend(const struct hpi_hsubsys *ph_subsys,
+	u32 h_control, const u32 blend);
+
 /****************************/
 /* PADs control             */
 /****************************/
diff --git a/sound/pci/asihpi/hpi_internal.h b/sound/pci/asihpi/hpi_internal.h
index f1cd6f1a0d4..fdd0ce02aa6 100644
--- a/sound/pci/asihpi/hpi_internal.h
+++ b/sound/pci/asihpi/hpi_internal.h
@@ -232,6 +232,8 @@ enum HPI_BUSES {
 #define HPI_TUNER_HDRADIO_SDK_VERSION   HPI_CTL_ATTR(TUNER, 13)
 /** HD Radio DSP firmware version. */
 #define HPI_TUNER_HDRADIO_DSP_VERSION   HPI_CTL_ATTR(TUNER, 14)
+/** HD Radio signal blend (force analog, or automatic). */
+#define HPI_TUNER_HDRADIO_BLEND         HPI_CTL_ATTR(TUNER, 15)
 
 /** \} */
 
@@ -478,8 +480,10 @@ Threshold is a -ve number in units of dB/100,
 
 /** First 2 hex digits define the adapter family */
 #define HPI_ADAPTER_FAMILY_MASK         0xff00
+#define HPI_MODULE_FAMILY_MASK          0xfff0
 
 #define HPI_ADAPTER_FAMILY_ASI(f)   (f & HPI_ADAPTER_FAMILY_MASK)
+#define HPI_MODULE_FAMILY_ASI(f)   (f & HPI_MODULE_FAMILY_MASK)
 #define HPI_ADAPTER_ASI(f)   (f)
 
 /******************************************* message types */
@@ -970,6 +974,7 @@ struct hpi_control_union_msg {
 				u32 mode;
 				u32 value;
 			} mode;
+			u32 blend;
 		} tuner;
 	} u;
 };
diff --git a/sound/pci/asihpi/hpifunc.c b/sound/pci/asihpi/hpifunc.c
index eda26b31232..298eef3e20e 100644
--- a/sound/pci/asihpi/hpifunc.c
+++ b/sound/pci/asihpi/hpifunc.c
@@ -2946,6 +2946,20 @@ u16 hpi_tuner_get_hd_radio_signal_quality(const struct hpi_hsubsys *ph_subsys,
 		HPI_TUNER_HDRADIO_SIGNAL_QUALITY, 0, 0, pquality, NULL);
 }
 
+u16 hpi_tuner_get_hd_radio_signal_blend(const struct hpi_hsubsys *ph_subsys,
+	u32 h_control, u32 *pblend)
+{
+	return hpi_control_param_get(ph_subsys, h_control,
+		HPI_TUNER_HDRADIO_BLEND, 0, 0, pblend, NULL);
+}
+
+u16 hpi_tuner_set_hd_radio_signal_blend(const struct hpi_hsubsys *ph_subsys,
+	u32 h_control, const u32 blend)
+{
+	return hpi_control_param_set(ph_subsys, h_control,
+		HPI_TUNER_HDRADIO_BLEND, blend, 0);
+}
+
 u16 hpi_tuner_getRDS(const struct hpi_hsubsys *ph_subsys, u32 h_control,
 	char *p_data)
 {
@@ -3266,8 +3280,7 @@ u16 hpi_entity_find_next(struct hpi_entity *container_entity,
 
 void hpi_entity_free(struct hpi_entity *entity)
 {
-	if (entity != NULL)
-		kfree(entity);
+	kfree(entity);
 }
 
 static u16 hpi_entity_alloc_and_copy(struct hpi_entity *src,

From 70ebe64721ff685129a4016162d6370e4c10ba69 Mon Sep 17 00:00:00 2001
From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Thu, 27 May 2010 17:53:53 +1200
Subject: [PATCH 3261/3638] ALSA: asihpi - Remove support for old ASI8800
 family

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/asihpi/hpi6000.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sound/pci/asihpi/hpi6000.c b/sound/pci/asihpi/hpi6000.c
index 839ecb2e4b6..26b3b3f0a15 100644
--- a/sound/pci/asihpi/hpi6000.c
+++ b/sound/pci/asihpi/hpi6000.c
@@ -691,9 +691,6 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 	case 0x6200:
 		boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x6200);
 		break;
-	case 0x8800:
-		boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x8800);
-		break;
 	default:
 		return HPI6000_ERROR_UNHANDLED_SUBSYS_ID;
 	}

From bca516bfcfeb545e00bad3b6ca075d91c9c0b365 Mon Sep 17 00:00:00 2001
From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Thu, 27 May 2010 17:53:53 +1200
Subject: [PATCH 3262/3638] ALSA: asihpi - Fix imbalanced lock path in
 hw_message

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/asihpi/hpi6000.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/pci/asihpi/hpi6000.c b/sound/pci/asihpi/hpi6000.c
index 26b3b3f0a15..12dab5e4892 100644
--- a/sound/pci/asihpi/hpi6000.c
+++ b/sound/pci/asihpi/hpi6000.c
@@ -1772,7 +1772,6 @@ static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
 	u16 error = 0;
 	u16 dsp_index = 0;
 	u16 num_dsp = ((struct hpi_hw_obj *)pao->priv)->num_dsp;
-	hpios_dsplock_lock(pao);
 
 	if (num_dsp < 2)
 		dsp_index = 0;
@@ -1793,6 +1792,8 @@ static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
 			}
 		}
 	}
+
+	hpios_dsplock_lock(pao);
 	error = hpi6000_message_response_sequence(pao, dsp_index, phm, phr);
 
 	/* maybe an error response */

From 1a59fa7cb70b687f1fe2f3fdc4185de57ae9cdc9 Mon Sep 17 00:00:00 2001
From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Thu, 27 May 2010 17:53:54 +1200
Subject: [PATCH 3263/3638] ALSA: asihpi - Fix bug preventing outstream_write
 preload from happening

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/asihpi/hpi6205.c | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c
index 5e88c1fc2b9..4f4cb92984e 100644
--- a/sound/pci/asihpi/hpi6205.c
+++ b/sound/pci/asihpi/hpi6205.c
@@ -965,24 +965,17 @@ static void outstream_write(struct hpi_adapter_obj *pao,
 	hpi_init_response(phr, phm->object, phm->function, 0);
 	status = &interface->outstream_host_buffer_status[phm->obj_index];
 
-	if (phw->flag_outstream_just_reset[phm->obj_index]) {
-		/* Format can only change after reset. Must tell DSP. */
-		u16 function = phm->function;
-		phw->flag_outstream_just_reset[phm->obj_index] = 0;
-		phm->function = HPI_OSTREAM_SET_FORMAT;
-		hw_message(pao, phm, phr);	/* send the format to the DSP */
-		phm->function = function;
-		if (phr->error)
-			return;
-	}
-#if 1
 	if (phw->flag_outstream_just_reset[phm->obj_index]) {
 		/* First OutStremWrite() call following reset will write data to the
-		   adapter's buffers, reducing delay before stream can start
+		   adapter's buffers, reducing delay before stream can start. The DSP
+		   takes care of setting the stream data format using format information
+		   embedded in phm.
 		 */
 		int partial_write = 0;
 		unsigned int original_size = 0;
 
+		phw->flag_outstream_just_reset[phm->obj_index] = 0;
+
 		/* Send the first buffer to the DSP the old way. */
 		/* Limit size of first transfer - */
 		/* expect that this will not usually be triggered. */
@@ -1012,7 +1005,6 @@ static void outstream_write(struct hpi_adapter_obj *pao,
 			original_size - HPI6205_SIZEOF_DATA;
 		phm->u.d.u.data.pb_data += HPI6205_SIZEOF_DATA;
 	}
-#endif
 
 	space_available = outstream_get_space_available(status);
 	if (space_available < (long)phm->u.d.u.data.data_size) {

From cadae4289d8e6ee8ad863f21ddc1845b38bf8e78 Mon Sep 17 00:00:00 2001
From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Thu, 27 May 2010 17:53:54 +1200
Subject: [PATCH 3264/3638] ALSA: asihpi - Add support for new ASI8800 family

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/asihpi/hpi6205.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c
index 4f4cb92984e..e89991ea354 100644
--- a/sound/pci/asihpi/hpi6205.c
+++ b/sound/pci/asihpi/hpi6205.c
@@ -1361,6 +1361,9 @@ static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 	case HPI_ADAPTER_FAMILY_ASI(0x6500):
 		firmware_id = HPI_ADAPTER_FAMILY_ASI(0x6600);
 		break;
+	case HPI_ADAPTER_FAMILY_ASI(0x8800):
+		firmware_id = HPI_ADAPTER_FAMILY_ASI(0x8900);
+		break;
 	}
 	boot_code_id[1] = firmware_id;
 

From 3ee317fe9cf08d81501b142bf0054c25e3ed5e7d Mon Sep 17 00:00:00 2001
From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Thu, 27 May 2010 17:53:55 +1200
Subject: [PATCH 3265/3638] ALSA: asihpi - Minor code cleanup

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/asihpi/hpicmn.c | 38 +++++++++++++-------------------------
 1 file changed, 13 insertions(+), 25 deletions(-)

diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c
index 565102cae4f..fcd64539d9e 100644
--- a/sound/pci/asihpi/hpicmn.c
+++ b/sound/pci/asihpi/hpicmn.c
@@ -347,20 +347,15 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache,
 			found = 0;
 		break;
 	case HPI_CONTROL_TUNER:
-		{
-			struct hpi_control_cache_single *pCT =
-				(struct hpi_control_cache_single *)pI;
-			if (phm->u.c.attribute == HPI_TUNER_FREQ)
-				phr->u.c.param1 = pCT->u.t.freq_ink_hz;
-			else if (phm->u.c.attribute == HPI_TUNER_BAND)
-				phr->u.c.param1 = pCT->u.t.band;
-			else if ((phm->u.c.attribute == HPI_TUNER_LEVEL)
-				&& (phm->u.c.param1 ==
-					HPI_TUNER_LEVEL_AVERAGE))
-				phr->u.c.param1 = pCT->u.t.level;
-			else
-				found = 0;
-		}
+		if (phm->u.c.attribute == HPI_TUNER_FREQ)
+			phr->u.c.param1 = pC->u.t.freq_ink_hz;
+		else if (phm->u.c.attribute == HPI_TUNER_BAND)
+			phr->u.c.param1 = pC->u.t.band;
+		else if ((phm->u.c.attribute == HPI_TUNER_LEVEL)
+			&& (phm->u.c.param1 == HPI_TUNER_LEVEL_AVERAGE))
+			phr->u.c.param1 = pC->u.t.level;
+		else
+			found = 0;
 		break;
 	case HPI_CONTROL_AESEBU_RECEIVER:
 		if (phm->u.c.attribute == HPI_AESEBURX_ERRORSTATUS)
@@ -503,6 +498,9 @@ void hpi_sync_control_cache(struct hpi_control_cache *p_cache,
 	struct hpi_control_cache_single *pC;
 	struct hpi_control_cache_info *pI;
 
+	if (phr->error)
+		return;
+
 	if (!find_control(phm, p_cache, &pI, &control_index))
 		return;
 
@@ -520,8 +518,6 @@ void hpi_sync_control_cache(struct hpi_control_cache *p_cache,
 		break;
 	case HPI_CONTROL_MULTIPLEXER:
 		/* mux does not return its setting on Set command. */
-		if (phr->error)
-			return;
 		if (phm->u.c.attribute == HPI_MULTIPLEXER_SOURCE) {
 			pC->u.x.source_node_type = (u16)phm->u.c.param1;
 			pC->u.x.source_node_index = (u16)phm->u.c.param2;
@@ -529,8 +525,6 @@ void hpi_sync_control_cache(struct hpi_control_cache *p_cache,
 		break;
 	case HPI_CONTROL_CHANNEL_MODE:
 		/* mode does not return its setting on Set command. */
-		if (phr->error)
-			return;
 		if (phm->u.c.attribute == HPI_CHANNEL_MODE_MODE)
 			pC->u.m.mode = (u16)phm->u.c.param1;
 		break;
@@ -545,20 +539,14 @@ void hpi_sync_control_cache(struct hpi_control_cache *p_cache,
 			pC->u.phantom_power.state = (u16)phm->u.c.param1;
 		break;
 	case HPI_CONTROL_AESEBU_TRANSMITTER:
-		if (phr->error)
-			return;
 		if (phm->u.c.attribute == HPI_AESEBUTX_FORMAT)
 			pC->u.aes3tx.format = phm->u.c.param1;
 		break;
 	case HPI_CONTROL_AESEBU_RECEIVER:
-		if (phr->error)
-			return;
 		if (phm->u.c.attribute == HPI_AESEBURX_FORMAT)
 			pC->u.aes3rx.source = phm->u.c.param1;
 		break;
 	case HPI_CONTROL_SAMPLECLOCK:
-		if (phr->error)
-			return;
 		if (phm->u.c.attribute == HPI_SAMPLECLOCK_SOURCE)
 			pC->u.clk.source = (u16)phm->u.c.param1;
 		else if (phm->u.c.attribute == HPI_SAMPLECLOCK_SOURCE_INDEX)
@@ -590,7 +578,7 @@ struct hpi_control_cache *hpi_alloc_control_cache(const u32
 
 void hpi_free_control_cache(struct hpi_control_cache *p_cache)
 {
-	if ((p_cache->init) && (p_cache->p_info)) {
+	if (p_cache->init) {
 		kfree(p_cache->p_info);
 		p_cache->p_info = NULL;
 		p_cache->init = 0;

From c4fe52a8ee730ed340eba8fe6ccbf26347ebe9aa Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Thu, 27 May 2010 09:53:40 -0300
Subject: [PATCH 3266/3638] perf tui: Fix last use_browser problem related to
 .perfconfig
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When we moved to using ~/.perfconfig to set the value of use_browser,
it changed from a boolean to an int so that the convention used for
use_pager was followed.

That convention is:

-1: unspecified, that is what use_{browser,pager} is initialized
 0: Don't use the browser (should be TUI), because was explicitely
    set to 0/off/false on ~/.perfconfig [tui] cmd =, or because
    we're redirecting the stdout to a file or piping it to some
    other command (!isatty()).
 1: Use the TUI

Some code was not properly audited and continued testing it as a
boolean, this seems to be the last one.

Reported-by: Frédéric Weisbecker <fweisbec@gmail.com>
Tested-by: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index dd824cf3b62..6cddff2bc97 100644
--- a/tools/perf/util/debug.c
+++ b/tools/perf/util/debug.c
@@ -22,7 +22,7 @@ int eprintf(int level, const char *fmt, ...)
 
 	if (verbose >= level) {
 		va_start(args, fmt);
-		if (use_browser)
+		if (use_browser > 0)
 			ret = browser__show_help(fmt, args);
 		else
 			ret = vfprintf(stderr, fmt, args);

From 9aeead73782c4b8e2a91def36dbf95db28605c95 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 27 May 2010 10:23:00 -0400
Subject: [PATCH 3267/3638] Btrfs: add more error checking to btrfs_dirty_inode

The ENOSPC code will now return ENOSPC to btrfs_start_transaction.
btrfs_dirty_inode needs to check for this and error out appropriately.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6866c36c26f..2551b801839 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4312,12 +4312,23 @@ void btrfs_dirty_inode(struct inode *inode)
 		/* whoops, lets try again with the full transaction */
 		btrfs_end_transaction(trans, root);
 		trans = btrfs_start_transaction(root, 1);
+		if (IS_ERR(trans)) {
+			if (printk_ratelimit()) {
+				printk(KERN_ERR "btrfs: fail to "
+				       "dirty  inode %lu error %ld\n",
+				       inode->i_ino, PTR_ERR(trans));
+			}
+			return;
+		}
 		btrfs_set_trans_block_group(trans, inode);
 
 		ret = btrfs_update_inode(trans, root, inode);
 		if (ret) {
-			printk(KERN_ERR"btrfs: fail to dirty inode %lu error %d\n",
-				inode->i_ino, ret);
+			if (printk_ratelimit()) {
+				printk(KERN_ERR "btrfs: fail to "
+				       "dirty  inode %lu error %d\n",
+				       inode->i_ino, ret);
+			}
 		}
 	}
 	btrfs_end_transaction(trans, root);

From 36a32ae0007c6c1e4e5d1a4363290792c2938f0a Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Fri, 21 May 2010 11:16:10 +0400
Subject: [PATCH 3268/3638] pohmelfs: Remove dead quota code

Quota on pohmelfs is non-functional. IFAIU quota logic was copy-pasted
from generic setattr().

Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 drivers/staging/pohmelfs/inode.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
index 9286e863b0e..e1ccb49c75e 100644
--- a/drivers/staging/pohmelfs/inode.c
+++ b/drivers/staging/pohmelfs/inode.c
@@ -29,7 +29,6 @@
 #include <linux/slab.h>
 #include <linux/statfs.h>
 #include <linux/writeback.h>
-#include <linux/quotaops.h>
 
 #include "netfs.h"
 
@@ -969,13 +968,6 @@ int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr)
 		goto err_out_exit;
 	}
 
-	if ((attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
-	    (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
-		err = dquot_transfer(inode, attr);
-		if (err)
-			goto err_out_exit;
-	}
-
 	err = inode_setattr(inode, attr);
 	if (err) {
 		dprintk("%s: ino: %llu, failed to set the attributes.\n", __func__, POHMELFS_I(inode)->ino);

From f4b113ae6f772b3c25fdcd73d15e9d8b17c89dcc Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Fri, 21 May 2010 19:12:51 +0200
Subject: [PATCH 3269/3638] reiserfs: Fix resuming of quotas on remount
 read-write

When quota was suspended on remount-ro, finish_unfinished() will try to turn
it on again (which fails) and also turns the quotas off on exit. Fix the
function to check whether quotas are already on at function entry and do
not turn them off in that case.

CC: reiserfs-devel@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/reiserfs/super.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index f0ab5c94139..9822fa15118 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -158,6 +158,7 @@ static int finish_unfinished(struct super_block *s)
 #ifdef CONFIG_QUOTA
 	int i;
 	int ms_active_set;
+	int quota_enabled[MAXQUOTAS];
 #endif
 
 	/* compose key to look for "save" links */
@@ -179,8 +180,15 @@ static int finish_unfinished(struct super_block *s)
 	}
 	/* Turn on quotas so that they are updated correctly */
 	for (i = 0; i < MAXQUOTAS; i++) {
+		quota_enabled[i] = 1;
 		if (REISERFS_SB(s)->s_qf_names[i]) {
-			int ret = reiserfs_quota_on_mount(s, i);
+			int ret;
+
+			if (sb_has_quota_active(s, i)) {
+				quota_enabled[i] = 0;
+				continue;
+			}
+			ret = reiserfs_quota_on_mount(s, i);
 			if (ret < 0)
 				reiserfs_warning(s, "reiserfs-2500",
 						 "cannot turn on journaled "
@@ -304,7 +312,7 @@ static int finish_unfinished(struct super_block *s)
 #ifdef CONFIG_QUOTA
 	/* Turn quotas off */
 	for (i = 0; i < MAXQUOTAS; i++) {
-		if (sb_dqopt(s)->files[i])
+		if (sb_dqopt(s)->files[i] && quota_enabled[i])
 			dquot_quota_off(s, i);
 	}
 	if (ms_active_set)

From 4dea496974e41814cc715db0268226c6f71f7c8a Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 24 May 2010 12:39:49 +0200
Subject: [PATCH 3270/3638] quota: Fixup dquot_transfer

Commit bc8e5f07392f05c47c8bdeff4f7098db440d065c had a typo which caused
quota miscomputation when changing owner group of a file. Linus will hate
me.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/dquot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 1914a2f6c84..1ff91314b8a 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1812,7 +1812,7 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr)
 	if (iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid)
 		transfer_to[USRQUOTA] = dqget(sb, iattr->ia_uid, USRQUOTA);
 	if (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)
-		transfer_to[GRPQUOTA] = dqget(sb, iattr->ia_uid, GRPQUOTA);
+		transfer_to[GRPQUOTA] = dqget(sb, iattr->ia_gid, GRPQUOTA);
 
 	ret = __dquot_transfer(inode, transfer_to);
 	dqput_all(transfer_to);

From 1513b02c8b537af275ea74fdfb380c618b9e6778 Mon Sep 17 00:00:00 2001
From: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Date: Tue, 25 May 2010 16:03:04 +0200
Subject: [PATCH 3271/3638] ext3 uses rb_node = NULL; to zero rb_root.

The problem with this is that 17d9ddc72fb8bba0d4f678 ("rbtree: Add support
for augmented rbtrees") in the linux-next tree adds a new field to that
struct which needs to be NULLas well.  This patch uses RB_ROOT as the
intializer so all of the relevant fields will be NULL'd.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Eric Paris <eparis@redhat.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext3/dir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index 373fa90c796..e2e72c367cf 100644
--- a/fs/ext3/dir.c
+++ b/fs/ext3/dir.c
@@ -297,7 +297,7 @@ static void free_rb_tree_fname(struct rb_root *root)
 			kfree (old);
 		}
 		if (!parent)
-			root->rb_node = NULL;
+			*root = RB_ROOT;
 		else if (parent->rb_left == n)
 			parent->rb_left = NULL;
 		else if (parent->rb_right == n)

From ca2afb6dbea74ee762ae5856af7045a57a65e9c8 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Wed, 26 May 2010 14:41:49 -0700
Subject: [PATCH 3272/3638] davinci: mmc: pass number of SG segments as
 platform data

On some platforms like DM355, the number of EDMA parameter slots available
for EDMA_SLOT_ANY usage are few.  In such cases, if MMC/SD uses 16 slots
for each instance of MMC controller, then the number of slots available
for other modules will be very few.

By passing the number of EDMA slots to be used in MMC driver from platform
data, EDMA slots available for other purposes can be controlled.

Most of the platforms will not use this platform data variable.  But on
DM355, as the number of EDMA resources available is limited, the number of
scatter- gather segments used inside the MMC driver can be 8 (passed as
platform data) instead of 16.  On DM355, when the number of scatter-gather
segments was reduced to 8, I saw a performance difference of about
0.25-0.4 Mbytes/sec during write.  Read performance variations were
negligible.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/arm/mach-davinci/include/mach/mmc.h |  3 +++
 drivers/mmc/host/davinci_mmc.c           | 24 +++++++++++++++++-------
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-davinci/include/mach/mmc.h b/arch/arm/mach-davinci/include/mach/mmc.h
index 5a85e24f367..d4f1e967506 100644
--- a/arch/arm/mach-davinci/include/mach/mmc.h
+++ b/arch/arm/mach-davinci/include/mach/mmc.h
@@ -22,6 +22,9 @@ struct davinci_mmc_config {
 
 	/* Version of the MMC/SD controller */
 	u8	version;
+
+	/* Number of sg segments */
+	u8	nr_sg;
 };
 void davinci_setup_mmc(int module, struct davinci_mmc_config *config);
 
diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 3bd0ba294e9..547d29c31b4 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -137,15 +137,15 @@
 
 /*
  * One scatterlist dma "segment" is at most MAX_CCNT rw_threshold units,
- * and we handle up to NR_SG segments.  MMC_BLOCK_BOUNCE kicks in only
+ * and we handle up to MAX_NR_SG segments.  MMC_BLOCK_BOUNCE kicks in only
  * for drivers with max_hw_segs == 1, making the segments bigger (64KB)
- * than the page or two that's otherwise typical.  NR_SG == 16 gives at
- * least the same throughput boost, using EDMA transfer linkage instead
- * of spending CPU time copying pages.
+ * than the page or two that's otherwise typical. nr_sg (passed from
+ * platform data) == 16 gives at least the same throughput boost, using
+ * EDMA transfer linkage instead of spending CPU time copying pages.
  */
 #define MAX_CCNT	((1 << 16) - 1)
 
-#define NR_SG		16
+#define MAX_NR_SG	16
 
 static unsigned rw_threshold = 32;
 module_param(rw_threshold, uint, S_IRUGO);
@@ -192,7 +192,7 @@ struct mmc_davinci_host {
 	struct edmacc_param	tx_template;
 	struct edmacc_param	rx_template;
 	unsigned		n_link;
-	u32			links[NR_SG - 1];
+	u32			links[MAX_NR_SG - 1];
 
 	/* For PIO we walk scatterlists one segment at a time. */
 	unsigned int		sg_len;
@@ -202,6 +202,8 @@ struct mmc_davinci_host {
 	u8 version;
 	/* for ns in one cycle calculation */
 	unsigned ns_in_one_cycle;
+	/* Number of sg segments */
+	u8 nr_sg;
 #ifdef CONFIG_CPU_FREQ
 	struct notifier_block	freq_transition;
 #endif
@@ -568,6 +570,7 @@ davinci_release_dma_channels(struct mmc_davinci_host *host)
 
 static int __init davinci_acquire_dma_channels(struct mmc_davinci_host *host)
 {
+	u32 link_size;
 	int r, i;
 
 	/* Acquire master DMA write channel */
@@ -593,7 +596,8 @@ static int __init davinci_acquire_dma_channels(struct mmc_davinci_host *host)
 	/* Allocate parameter RAM slots, which will later be bound to a
 	 * channel as needed to handle a scatterlist.
 	 */
-	for (i = 0; i < ARRAY_SIZE(host->links); i++) {
+	link_size = min_t(unsigned, host->nr_sg, ARRAY_SIZE(host->links));
+	for (i = 0; i < link_size; i++) {
 		r = edma_alloc_slot(EDMA_CTLR(host->txdma), EDMA_SLOT_ANY);
 		if (r < 0) {
 			dev_dbg(mmc_dev(host->mmc), "dma PaRAM alloc --> %d\n",
@@ -1202,6 +1206,12 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev)
 
 	init_mmcsd_host(host);
 
+	if (pdata->nr_sg)
+		host->nr_sg = pdata->nr_sg - 1;
+
+	if (host->nr_sg > MAX_NR_SG || !host->nr_sg)
+		host->nr_sg = MAX_NR_SG;
+
 	host->use_dma = use_dma;
 	host->irq = irq;
 

From 0e950fa686d53a57ee6c47f477ecfc681670c6a9 Mon Sep 17 00:00:00 2001
From: Marek Belisko <marek.belisko@open-nandra.com>
Date: Wed, 26 May 2010 14:41:49 -0700
Subject: [PATCH 3273/3638] mmc-omap: add support for 16-bit and 32-bit
 registers

The omap850 and omap730 use 16-bit registers instead of 32-bit, requiring
a modification of the register addresses in the mmc-omap driver.  To
resolve this, a bit shift is performed on base register addresses, either
by 1 or 2 bits depending on the CPU in use.  This yields the correct
registers for each CPU.

Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Cc: Ladislav Michl <ladis@linux-mips.org>
Cc: Ben Dooks <ben@fluff.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/omap.c | 62 ++++++++++++++++++++++-------------------
 1 file changed, 33 insertions(+), 29 deletions(-)

diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 84d28040634..475490b1857 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -39,30 +39,30 @@
 #include <plat/fpga.h>
 
 #define	OMAP_MMC_REG_CMD	0x00
-#define	OMAP_MMC_REG_ARGL	0x04
-#define	OMAP_MMC_REG_ARGH	0x08
-#define	OMAP_MMC_REG_CON	0x0c
-#define	OMAP_MMC_REG_STAT	0x10
-#define	OMAP_MMC_REG_IE		0x14
-#define	OMAP_MMC_REG_CTO	0x18
-#define	OMAP_MMC_REG_DTO	0x1c
-#define	OMAP_MMC_REG_DATA	0x20
-#define	OMAP_MMC_REG_BLEN	0x24
-#define	OMAP_MMC_REG_NBLK	0x28
-#define	OMAP_MMC_REG_BUF	0x2c
-#define OMAP_MMC_REG_SDIO	0x34
-#define	OMAP_MMC_REG_REV	0x3c
-#define	OMAP_MMC_REG_RSP0	0x40
-#define	OMAP_MMC_REG_RSP1	0x44
-#define	OMAP_MMC_REG_RSP2	0x48
-#define	OMAP_MMC_REG_RSP3	0x4c
-#define	OMAP_MMC_REG_RSP4	0x50
-#define	OMAP_MMC_REG_RSP5	0x54
-#define	OMAP_MMC_REG_RSP6	0x58
-#define	OMAP_MMC_REG_RSP7	0x5c
-#define	OMAP_MMC_REG_IOSR	0x60
-#define	OMAP_MMC_REG_SYSC	0x64
-#define	OMAP_MMC_REG_SYSS	0x68
+#define	OMAP_MMC_REG_ARGL	0x01
+#define	OMAP_MMC_REG_ARGH	0x02
+#define	OMAP_MMC_REG_CON	0x03
+#define	OMAP_MMC_REG_STAT	0x04
+#define	OMAP_MMC_REG_IE		0x05
+#define	OMAP_MMC_REG_CTO	0x06
+#define	OMAP_MMC_REG_DTO	0x07
+#define	OMAP_MMC_REG_DATA	0x08
+#define	OMAP_MMC_REG_BLEN	0x09
+#define	OMAP_MMC_REG_NBLK	0x0a
+#define	OMAP_MMC_REG_BUF	0x0b
+#define	OMAP_MMC_REG_SDIO	0x0d
+#define	OMAP_MMC_REG_REV	0x0f
+#define	OMAP_MMC_REG_RSP0	0x10
+#define	OMAP_MMC_REG_RSP1	0x11
+#define	OMAP_MMC_REG_RSP2	0x12
+#define	OMAP_MMC_REG_RSP3	0x13
+#define	OMAP_MMC_REG_RSP4	0x14
+#define	OMAP_MMC_REG_RSP5	0x15
+#define	OMAP_MMC_REG_RSP6	0x16
+#define	OMAP_MMC_REG_RSP7	0x17
+#define	OMAP_MMC_REG_IOSR	0x18
+#define	OMAP_MMC_REG_SYSC	0x19
+#define	OMAP_MMC_REG_SYSS	0x1a
 
 #define	OMAP_MMC_STAT_CARD_ERR		(1 << 14)
 #define	OMAP_MMC_STAT_CARD_IRQ		(1 << 13)
@@ -78,8 +78,9 @@
 #define	OMAP_MMC_STAT_CARD_BUSY		(1 <<  2)
 #define	OMAP_MMC_STAT_END_OF_CMD	(1 <<  0)
 
-#define OMAP_MMC_READ(host, reg)	__raw_readw((host)->virt_base + OMAP_MMC_REG_##reg)
-#define OMAP_MMC_WRITE(host, reg, val)	__raw_writew((val), (host)->virt_base + OMAP_MMC_REG_##reg)
+#define OMAP_MMC_REG(host, reg)		(OMAP_MMC_REG_##reg << (host)->reg_shift)
+#define OMAP_MMC_READ(host, reg)	__raw_readw((host)->virt_base + OMAP_MMC_REG(host, reg))
+#define OMAP_MMC_WRITE(host, reg, val)	__raw_writew((val), (host)->virt_base + OMAP_MMC_REG(host, reg))
 
 /*
  * Command types
@@ -133,6 +134,7 @@ struct mmc_omap_host {
 	int			irq;
 	unsigned char		bus_mode;
 	unsigned char		hw_bus_mode;
+	unsigned int		reg_shift;
 
 	struct work_struct	cmd_abort_work;
 	unsigned		abort:1;
@@ -680,9 +682,9 @@ mmc_omap_xfer_data(struct mmc_omap_host *host, int write)
 	host->data->bytes_xfered += n;
 
 	if (write) {
-		__raw_writesw(host->virt_base + OMAP_MMC_REG_DATA, host->buffer, n);
+		__raw_writesw(host->virt_base + OMAP_MMC_REG(host, DATA), host->buffer, n);
 	} else {
-		__raw_readsw(host->virt_base + OMAP_MMC_REG_DATA, host->buffer, n);
+		__raw_readsw(host->virt_base + OMAP_MMC_REG(host, DATA), host->buffer, n);
 	}
 }
 
@@ -900,7 +902,7 @@ mmc_omap_prepare_dma(struct mmc_omap_host *host, struct mmc_data *data)
 	int dst_port = 0;
 	int sync_dev = 0;
 
-	data_addr = host->phys_base + OMAP_MMC_REG_DATA;
+	data_addr = host->phys_base + OMAP_MMC_REG(host, DATA);
 	frame = data->blksz;
 	count = sg_dma_len(sg);
 
@@ -1493,6 +1495,8 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
 		}
 	}
 
+	host->reg_shift = (cpu_is_omap7xx() ? 1 : 2);
+
 	return 0;
 
 err_plat_cleanup:

From f27f47ef5b67106ff1cdeebf061387a7b30c12bc Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 26 May 2010 14:41:53 -0700
Subject: [PATCH 3274/3638] sdhci: implement CAP_CLOCK_BASE_BROKEN quirk
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Some hosts (e.g.  as found in CNS3xxx SOCs) report wrong value in
CLOCK_BASE capability field, and currently there is no way to force the
SDHCI core to use the platform-provided base clock value.

This patch implements CAP_CLOCK_BASE_BROKEN quirk.  When enabled, the
SDHCI core will always use base clock frequency provided by the platform.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Richard Röjfors <richard.rojfors@pelagicore.com>
Cc: David Vrabel <david.vrabel@csr.com>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci.c | 3 ++-
 drivers/mmc/host/sdhci.h | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 9d4fdfa685e..02b365f5a4b 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1744,7 +1744,8 @@ int sdhci_add_host(struct sdhci_host *host)
 	host->max_clk =
 		(caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT;
 	host->max_clk *= 1000000;
-	if (host->max_clk == 0) {
+	if (host->max_clk == 0 || host->quirks &
+			SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN) {
 		if (!host->ops->get_max_clock) {
 			printk(KERN_ERR
 			       "%s: Hardware doesn't specify base clock "
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 842f46f9428..831bf7f137f 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -236,6 +236,8 @@ struct sdhci_host {
 #define SDHCI_QUIRK_DELAY_AFTER_POWER			(1<<23)
 /* Controller uses SDCLK instead of TMCLK for data timeouts */
 #define SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK		(1<<24)
+/* Controller reports wrong base clock capability */
+#define SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN		(1<<25)
 
 	int			irq;		/* Device IRQ */
 	void __iomem *		ioaddr;		/* Mapped address */

From a7626b7a5de37bbd506b23633be95428ee81c2e4 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 26 May 2010 14:41:55 -0700
Subject: [PATCH 3275/3638] sdhci-pltfm: implement platform data passing
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This includes platform ops, quirks and (de)initialization callbacks.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Richard Röjfors <richard.rojfors@pelagicore.com>
Cc: David Vrabel <david.vrabel@csr.com>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci-pltfm.c | 24 +++++++++++++++++++----
 include/linux/sdhci-pltfm.h    | 35 ++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+), 4 deletions(-)
 create mode 100644 include/linux/sdhci-pltfm.h

diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 297f40ae6ad..217b911a263 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -29,6 +29,7 @@
 #include <linux/mmc/host.h>
 
 #include <linux/io.h>
+#include <linux/sdhci-pltfm.h>
 
 #include "sdhci.h"
 
@@ -49,12 +50,11 @@ static struct sdhci_ops sdhci_pltfm_ops = {
 
 static int __devinit sdhci_pltfm_probe(struct platform_device *pdev)
 {
+	struct sdhci_pltfm_data *pdata = pdev->dev.platform_data;
 	struct sdhci_host *host;
 	struct resource *iomem;
 	int ret;
 
-	BUG_ON(pdev == NULL);
-
 	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!iomem) {
 		ret = -ENOMEM;
@@ -76,7 +76,12 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev)
 	}
 
 	host->hw_name = "platform";
-	host->ops = &sdhci_pltfm_ops;
+	if (pdata && pdata->ops)
+		host->ops = pdata->ops;
+	else
+		host->ops = &sdhci_pltfm_ops;
+	if (pdata)
+		host->quirks = pdata->quirks;
 	host->irq = platform_get_irq(pdev, 0);
 
 	if (!request_mem_region(iomem->start, resource_size(iomem),
@@ -93,6 +98,12 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev)
 		goto err_remap;
 	}
 
+	if (pdata && pdata->init) {
+		ret = pdata->init(host);
+		if (ret)
+			goto err_plat_init;
+	}
+
 	ret = sdhci_add_host(host);
 	if (ret)
 		goto err_add_host;
@@ -102,6 +113,9 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev)
 	return 0;
 
 err_add_host:
+	if (pdata && pdata->exit)
+		pdata->exit(host);
+err_plat_init:
 	iounmap(host->ioaddr);
 err_remap:
 	release_mem_region(iomem->start, resource_size(iomem));
@@ -114,6 +128,7 @@ err:
 
 static int __devexit sdhci_pltfm_remove(struct platform_device *pdev)
 {
+	struct sdhci_pltfm_data *pdata = pdev->dev.platform_data;
 	struct sdhci_host *host = platform_get_drvdata(pdev);
 	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	int dead;
@@ -125,6 +140,8 @@ static int __devexit sdhci_pltfm_remove(struct platform_device *pdev)
 		dead = 1;
 
 	sdhci_remove_host(host, dead);
+	if (pdata && pdata->exit)
+		pdata->exit(host);
 	iounmap(host->ioaddr);
 	release_mem_region(iomem->start, resource_size(iomem));
 	sdhci_free_host(host);
@@ -165,4 +182,3 @@ MODULE_DESCRIPTION("Secure Digital Host Controller Interface platform driver");
 MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:sdhci");
-
diff --git a/include/linux/sdhci-pltfm.h b/include/linux/sdhci-pltfm.h
new file mode 100644
index 00000000000..0239bd70241
--- /dev/null
+++ b/include/linux/sdhci-pltfm.h
@@ -0,0 +1,35 @@
+/*
+ * Platform data declarations for the sdhci-pltfm driver.
+ *
+ * Copyright (c) 2010 MontaVista Software, LLC.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef _SDHCI_PLTFM_H
+#define _SDHCI_PLTFM_H
+
+struct sdhci_ops;
+struct sdhci_host;
+
+/**
+ * struct sdhci_pltfm_data - SDHCI platform-specific information & hooks
+ * @ops: optional pointer to the platform-provided SDHCI ops
+ * @quirks: optional SDHCI quirks
+ * @init: optional hook that is called during device probe, before the
+ *        driver tries to access any SDHCI registers
+ * @exit: optional hook that is called during device removal
+ */
+struct sdhci_pltfm_data {
+	struct sdhci_ops *ops;
+	unsigned int quirks;
+	int (*init)(struct sdhci_host *host);
+	void (*exit)(struct sdhci_host *host);
+};
+
+#endif /* _SDHCI_PLTFM_H */

From e632c45ad040a54058db577981cdc3f4b316da55 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 26 May 2010 14:41:56 -0700
Subject: [PATCH 3276/3638] sdhci-pltfm: do not print errors in case of an
 extended iomem size
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Some hosts have an extended SDHCI iomem size, so the driver should
only print errors if the iomem size is less than 0x100.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Cc: David Vrabel <david.vrabel@csr.com>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci-pltfm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 217b911a263..b6ee0d71969 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -61,7 +61,7 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	if (resource_size(iomem) != 0x100)
+	if (resource_size(iomem) < 0x100)
 		dev_err(&pdev->dev, "Invalid iomem size. You may "
 			"experience problems.\n");
 

From 06de845f72eeb169ea624f17396cd41d03384940 Mon Sep 17 00:00:00 2001
From: Chaithrika U S <chaithrika@ti.com>
Date: Wed, 26 May 2010 14:41:57 -0700
Subject: [PATCH 3277/3638] davinci: mmc: add a function to control reset state
 of the controller

Add a helper function which will aid in changing the reset
status of the controller.

Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Vipin Bhandari <vipin.bhandari@ti.com>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/davinci_mmc.c | 37 +++++++++++++++-------------------
 1 file changed, 16 insertions(+), 21 deletions(-)

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 547d29c31b4..56afe0a00f5 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -909,19 +909,26 @@ static void mmc_davinci_cmd_done(struct mmc_davinci_host *host,
 	}
 }
 
-static void
-davinci_abort_data(struct mmc_davinci_host *host, struct mmc_data *data)
+static inline void mmc_davinci_reset_ctrl(struct mmc_davinci_host *host,
+								int val)
 {
 	u32 temp;
 
-	/* reset command and data state machines */
 	temp = readl(host->base + DAVINCI_MMCCTL);
-	writel(temp | MMCCTL_CMDRST | MMCCTL_DATRST,
-		host->base + DAVINCI_MMCCTL);
+	if (val)	/* reset */
+		temp |= MMCCTL_CMDRST | MMCCTL_DATRST;
+	else		/* enable */
+		temp &= ~(MMCCTL_CMDRST | MMCCTL_DATRST);
 
-	temp &= ~(MMCCTL_CMDRST | MMCCTL_DATRST);
-	udelay(10);
 	writel(temp, host->base + DAVINCI_MMCCTL);
+	udelay(10);
+}
+
+static void
+davinci_abort_data(struct mmc_davinci_host *host, struct mmc_data *data)
+{
+	mmc_davinci_reset_ctrl(host, 1);
+	mmc_davinci_reset_ctrl(host, 0);
 }
 
 static irqreturn_t mmc_davinci_irq(int irq, void *dev_id)
@@ -1125,15 +1132,8 @@ static inline void mmc_davinci_cpufreq_deregister(struct mmc_davinci_host *host)
 #endif
 static void __init init_mmcsd_host(struct mmc_davinci_host *host)
 {
-	/* DAT line portion is diabled and in reset state */
-	writel(readl(host->base + DAVINCI_MMCCTL) | MMCCTL_DATRST,
-		host->base + DAVINCI_MMCCTL);
 
-	/* CMD line portion is diabled and in reset state */
-	writel(readl(host->base + DAVINCI_MMCCTL) | MMCCTL_CMDRST,
-		host->base + DAVINCI_MMCCTL);
-
-	udelay(10);
+	mmc_davinci_reset_ctrl(host, 1);
 
 	writel(0, host->base + DAVINCI_MMCCLK);
 	writel(MMCCLK_CLKEN, host->base + DAVINCI_MMCCLK);
@@ -1141,12 +1141,7 @@ static void __init init_mmcsd_host(struct mmc_davinci_host *host)
 	writel(0x1FFF, host->base + DAVINCI_MMCTOR);
 	writel(0xFFFF, host->base + DAVINCI_MMCTOD);
 
-	writel(readl(host->base + DAVINCI_MMCCTL) & ~MMCCTL_DATRST,
-		host->base + DAVINCI_MMCCTL);
-	writel(readl(host->base + DAVINCI_MMCCTL) & ~MMCCTL_CMDRST,
-		host->base + DAVINCI_MMCCTL);
-
-	udelay(10);
+	mmc_davinci_reset_ctrl(host, 0);
 }
 
 static int __init davinci_mmcsd_probe(struct platform_device *pdev)

From bbce5802afc560c4a487afea3761b85fcb862fb3 Mon Sep 17 00:00:00 2001
From: Chaithrika U S <chaithrika@ti.com>
Date: Wed, 26 May 2010 14:41:57 -0700
Subject: [PATCH 3278/3638] davinci: mmc: updates to suspend/resume
 implementation

Improve the suspend and resume callbacks in DaVinci MMC host controller
driver.  Modify the reset status of the contorller and clock during
suspend and resume.  Also migrate the power management callbacks from
platform driver to dev_pm_ops structure.

Tested on DA850/OMAP-L138 EVM.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Vipin Bhandari <vipin.bhandari@ti.com>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/davinci_mmc.c | 51 ++++++++++++++++++++++++++++------
 1 file changed, 43 insertions(+), 8 deletions(-)

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 56afe0a00f5..aae39125b8d 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -171,6 +171,7 @@ struct mmc_davinci_host {
 #define DAVINCI_MMC_DATADIR_READ	1
 #define DAVINCI_MMC_DATADIR_WRITE	2
 	unsigned char data_dir;
+	unsigned char suspended;
 
 	/* buffer is used during PIO of one scatterlist segment, and
 	 * is updated along with buffer_bytes_left.  bytes_left applies
@@ -1332,32 +1333,66 @@ static int __exit davinci_mmcsd_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int davinci_mmcsd_suspend(struct platform_device *pdev, pm_message_t msg)
+static int davinci_mmcsd_suspend(struct device *dev)
 {
+	struct platform_device *pdev = to_platform_device(dev);
 	struct mmc_davinci_host *host = platform_get_drvdata(pdev);
+	struct pm_message msg = { PM_EVENT_SUSPEND };
+	int ret;
 
-	return mmc_suspend_host(host->mmc, msg);
+	mmc_host_enable(host->mmc);
+	ret = mmc_suspend_host(host->mmc, msg);
+	if (!ret) {
+		writel(0, host->base + DAVINCI_MMCIM);
+		mmc_davinci_reset_ctrl(host, 1);
+		mmc_host_disable(host->mmc);
+		clk_disable(host->clk);
+		host->suspended = 1;
+	} else {
+		host->suspended = 0;
+		mmc_host_disable(host->mmc);
+	}
+
+	return ret;
 }
 
-static int davinci_mmcsd_resume(struct platform_device *pdev)
+static int davinci_mmcsd_resume(struct device *dev)
 {
+	struct platform_device *pdev = to_platform_device(dev);
 	struct mmc_davinci_host *host = platform_get_drvdata(pdev);
+	int ret;
 
-	return mmc_resume_host(host->mmc);
+	if (!host->suspended)
+		return 0;
+
+	clk_enable(host->clk);
+	mmc_host_enable(host->mmc);
+
+	mmc_davinci_reset_ctrl(host, 0);
+	ret = mmc_resume_host(host->mmc);
+	if (!ret)
+		host->suspended = 0;
+
+	return ret;
 }
+
+static const struct dev_pm_ops davinci_mmcsd_pm = {
+	.suspend        = davinci_mmcsd_suspend,
+	.resume         = davinci_mmcsd_resume,
+};
+
+#define davinci_mmcsd_pm_ops (&davinci_mmcsd_pm)
 #else
-#define davinci_mmcsd_suspend	NULL
-#define davinci_mmcsd_resume	NULL
+#define davinci_mmcsd_pm_ops NULL
 #endif
 
 static struct platform_driver davinci_mmcsd_driver = {
 	.driver		= {
 		.name	= "davinci_mmc",
 		.owner	= THIS_MODULE,
+		.pm	= davinci_mmcsd_pm_ops,
 	},
 	.remove		= __exit_p(davinci_mmcsd_remove),
-	.suspend	= davinci_mmcsd_suspend,
-	.resume		= davinci_mmcsd_resume,
 };
 
 static int __init davinci_mmcsd_init(void)

From 6dd6bca3fb6d4f186cdc67ba9e3949ef456dcc53 Mon Sep 17 00:00:00 2001
From: Mark Asselstine <asselsm@gmail.com>
Date: Wed, 26 May 2010 14:41:58 -0700
Subject: [PATCH 3279/3638] mmc: sd: clean up redundant memset

The clearing of mrq via a memset at the top of the for loop in
mmc_wait_for_app_cmd() is not required as mrq is not used and there is
another clearing of mrq just below.  We remove the first memset since if
the initial tests in the for loop fail the memset is not required.

Signed-off-by: Mark Asselstine <asselsm@gmail.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/core/sd_ops.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index 0d96080d44b..63772e7e760 100644
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -79,8 +79,6 @@ int mmc_wait_for_app_cmd(struct mmc_host *host, struct mmc_card *card,
 	 * we cannot use the retries field in mmc_command.
 	 */
 	for (i = 0;i <= retries;i++) {
-		memset(&mrq, 0, sizeof(struct mmc_request));
-
 		err = mmc_app_cmd(host, card);
 		if (err) {
 			/* no point in retrying; no APP commands allowed */

From 99ddffd8ef84c0389e31cb4b90d9e5415ea19cb0 Mon Sep 17 00:00:00 2001
From: Nicolas Ferre <nicolas.ferre@atmel.com>
Date: Wed, 26 May 2010 14:41:59 -0700
Subject: [PATCH 3280/3638] mmc: atmel-mci: enable SD high speed support

Enable high speed support for atmel-mci driver.  This support is dependent
of the revision of the IP and, of course, the capacity of the SD card
used.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/atmel-mci.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index df0e8a88d85..f6013ccbc61 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -952,10 +952,21 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		if (mci_has_rwproof())
 			host->mode_reg |= (MCI_MR_WRPROOF | MCI_MR_RDPROOF);
 
-		if (list_empty(&host->queue))
+		if (atmci_is_mci2()) {
+			/* setup High Speed mode in relation with card capacity */
+			if (ios->timing == MMC_TIMING_SD_HS)
+				host->cfg_reg |= MCI_CFG_HSMODE;
+			else
+				host->cfg_reg &= ~MCI_CFG_HSMODE;
+		}
+
+		if (list_empty(&host->queue)) {
 			mci_writel(host, MR, host->mode_reg);
-		else
+			if (atmci_is_mci2())
+				mci_writel(host, CFG, host->cfg_reg);
+		} else {
 			host->need_clock_update = true;
+		}
 
 		spin_unlock_bh(&host->lock);
 	} else {
@@ -1052,8 +1063,11 @@ static void atmci_request_end(struct atmel_mci *host, struct mmc_request *mrq)
 	 * necessary if set_ios() is called when a different slot is
 	 * busy transfering data.
 	 */
-	if (host->need_clock_update)
+	if (host->need_clock_update) {
 		mci_writel(host, MR, host->mode_reg);
+		if (atmci_is_mci2())
+			mci_writel(host, CFG, host->cfg_reg);
+	}
 
 	host->cur_slot->mrq = NULL;
 	host->mrq = NULL;
@@ -1565,6 +1579,8 @@ static int __init atmci_init_slot(struct atmel_mci *host,
 	mmc->f_min = DIV_ROUND_UP(host->bus_hz, 512);
 	mmc->f_max = host->bus_hz / 2;
 	mmc->ocr_avail	= MMC_VDD_32_33 | MMC_VDD_33_34;
+	if (atmci_is_mci2())
+		mmc->caps |= MMC_CAP_SD_HIGHSPEED;
 	if (slot_data->bus_width >= 4)
 		mmc->caps |= MMC_CAP_4_BIT_DATA;
 

From fdc50a9444b9781f4dd5aa5f7453300d2688cc5f Mon Sep 17 00:00:00 2001
From: Yusuke Goda <yusuke.goda.sx@renesas.com>
Date: Wed, 26 May 2010 14:41:59 -0700
Subject: [PATCH 3281/3638] mmc: add support MMCIF for SuperH

MMCIF is the MMC Host Interface in SuperH.

Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/Kconfig     |   8 +
 drivers/mmc/host/Makefile    |   1 +
 drivers/mmc/host/sh_mmcif.c  | 965 +++++++++++++++++++++++++++++++++++
 include/linux/mmc/sh_mmcif.h |  39 ++
 4 files changed, 1013 insertions(+)
 create mode 100644 drivers/mmc/host/sh_mmcif.c
 create mode 100644 include/linux/mmc/sh_mmcif.h

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 2e13b94769f..aeecbc932fb 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -412,3 +412,11 @@ config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
 	depends on SDH_BFIN
 	help
 	  If you say yes here SD-Cards may work on the EZkit.
+
+config MMC_SH_MMCIF
+	tristate "SuperH Internal MMCIF support"
+	depends on MMC_BLOCK && (SUPERH || ARCH_SHMOBILE)
+	help
+	  This selects the MMC Host Interface controler (MMCIF).
+
+	  This driver supports MMCIF in sh7724/sh7757/sh7372.
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index f4803977dfc..2447b66afeb 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_MMC_TMIO)		+= tmio_mmc.o
 obj-$(CONFIG_MMC_CB710)	+= cb710-mmc.o
 obj-$(CONFIG_MMC_VIA_SDMMC)	+= via-sdmmc.o
 obj-$(CONFIG_SDH_BFIN)		+= bfin_sdh.o
+obj-$(CONFIG_MMC_SH_MMCIF)	+= sh_mmcif.o
 
 obj-$(CONFIG_MMC_SDHCI_OF)	+= sdhci-of.o
 sdhci-of-y				:= sdhci-of-core.o
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
new file mode 100644
index 00000000000..eb97830c034
--- /dev/null
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -0,0 +1,965 @@
+/*
+ * MMCIF eMMC driver.
+ *
+ * Copyright (C) 2010 Renesas Solutions Corp.
+ * Yusuke Goda <yusuke.goda.sx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+ *
+ *
+ * TODO
+ *  1. DMA
+ *  2. Power management
+ *  3. Handle MMC errors better
+ *
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/core.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/sdio.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/mmc/sh_mmcif.h>
+
+#define DRIVER_NAME	"sh_mmcif"
+#define DRIVER_VERSION	"2010-04-28"
+
+#define MMCIF_CE_CMD_SET	0x00000000
+#define MMCIF_CE_ARG		0x00000008
+#define MMCIF_CE_ARG_CMD12	0x0000000C
+#define MMCIF_CE_CMD_CTRL	0x00000010
+#define MMCIF_CE_BLOCK_SET	0x00000014
+#define MMCIF_CE_CLK_CTRL	0x00000018
+#define MMCIF_CE_BUF_ACC	0x0000001C
+#define MMCIF_CE_RESP3		0x00000020
+#define MMCIF_CE_RESP2		0x00000024
+#define MMCIF_CE_RESP1		0x00000028
+#define MMCIF_CE_RESP0		0x0000002C
+#define MMCIF_CE_RESP_CMD12	0x00000030
+#define MMCIF_CE_DATA		0x00000034
+#define MMCIF_CE_INT		0x00000040
+#define MMCIF_CE_INT_MASK	0x00000044
+#define MMCIF_CE_HOST_STS1	0x00000048
+#define MMCIF_CE_HOST_STS2	0x0000004C
+#define MMCIF_CE_VERSION	0x0000007C
+
+/* CE_CMD_SET */
+#define CMD_MASK		0x3f000000
+#define CMD_SET_RTYP_NO		((0 << 23) | (0 << 22))
+#define CMD_SET_RTYP_6B		((0 << 23) | (1 << 22)) /* R1/R1b/R3/R4/R5 */
+#define CMD_SET_RTYP_17B	((1 << 23) | (0 << 22)) /* R2 */
+#define CMD_SET_RBSY		(1 << 21) /* R1b */
+#define CMD_SET_CCSEN		(1 << 20)
+#define CMD_SET_WDAT		(1 << 19) /* 1: on data, 0: no data */
+#define CMD_SET_DWEN		(1 << 18) /* 1: write, 0: read */
+#define CMD_SET_CMLTE		(1 << 17) /* 1: multi block trans, 0: single */
+#define CMD_SET_CMD12EN		(1 << 16) /* 1: CMD12 auto issue */
+#define CMD_SET_RIDXC_INDEX	((0 << 15) | (0 << 14)) /* index check */
+#define CMD_SET_RIDXC_BITS	((0 << 15) | (1 << 14)) /* check bits check */
+#define CMD_SET_RIDXC_NO	((1 << 15) | (0 << 14)) /* no check */
+#define CMD_SET_CRC7C		((0 << 13) | (0 << 12)) /* CRC7 check*/
+#define CMD_SET_CRC7C_BITS	((0 << 13) | (1 << 12)) /* check bits check*/
+#define CMD_SET_CRC7C_INTERNAL	((1 << 13) | (0 << 12)) /* internal CRC7 check*/
+#define CMD_SET_CRC16C		(1 << 10) /* 0: CRC16 check*/
+#define CMD_SET_CRCSTE		(1 << 8) /* 1: not receive CRC status */
+#define CMD_SET_TBIT		(1 << 7) /* 1: tran mission bit "Low" */
+#define CMD_SET_OPDM		(1 << 6) /* 1: open/drain */
+#define CMD_SET_CCSH		(1 << 5)
+#define CMD_SET_DATW_1		((0 << 1) | (0 << 0)) /* 1bit */
+#define CMD_SET_DATW_4		((0 << 1) | (1 << 0)) /* 4bit */
+#define CMD_SET_DATW_8		((1 << 1) | (0 << 0)) /* 8bit */
+
+/* CE_CMD_CTRL */
+#define CMD_CTRL_BREAK		(1 << 0)
+
+/* CE_BLOCK_SET */
+#define BLOCK_SIZE_MASK		0x0000ffff
+
+/* CE_CLK_CTRL */
+#define CLK_ENABLE		(1 << 24) /* 1: output mmc clock */
+#define CLK_CLEAR		((1 << 19) | (1 << 18) | (1 << 17) | (1 << 16))
+#define CLK_SUP_PCLK		((1 << 19) | (1 << 18) | (1 << 17) | (1 << 16))
+#define SRSPTO_256		((1 << 13) | (0 << 12)) /* resp timeout */
+#define SRBSYTO_29		((1 << 11) | (1 << 10) |	\
+				 (1 << 9) | (1 << 8)) /* resp busy timeout */
+#define SRWDTO_29		((1 << 7) | (1 << 6) |		\
+				 (1 << 5) | (1 << 4)) /* read/write timeout */
+#define SCCSTO_29		((1 << 3) | (1 << 2) |		\
+				 (1 << 1) | (1 << 0)) /* ccs timeout */
+
+/* CE_BUF_ACC */
+#define BUF_ACC_DMAWEN		(1 << 25)
+#define BUF_ACC_DMAREN		(1 << 24)
+#define BUF_ACC_BUSW_32		(0 << 17)
+#define BUF_ACC_BUSW_16		(1 << 17)
+#define BUF_ACC_ATYP		(1 << 16)
+
+/* CE_INT */
+#define INT_CCSDE		(1 << 29)
+#define INT_CMD12DRE		(1 << 26)
+#define INT_CMD12RBE		(1 << 25)
+#define INT_CMD12CRE		(1 << 24)
+#define INT_DTRANE		(1 << 23)
+#define INT_BUFRE		(1 << 22)
+#define INT_BUFWEN		(1 << 21)
+#define INT_BUFREN		(1 << 20)
+#define INT_CCSRCV		(1 << 19)
+#define INT_RBSYE		(1 << 17)
+#define INT_CRSPE		(1 << 16)
+#define INT_CMDVIO		(1 << 15)
+#define INT_BUFVIO		(1 << 14)
+#define INT_WDATERR		(1 << 11)
+#define INT_RDATERR		(1 << 10)
+#define INT_RIDXERR		(1 << 9)
+#define INT_RSPERR		(1 << 8)
+#define INT_CCSTO		(1 << 5)
+#define INT_CRCSTO		(1 << 4)
+#define INT_WDATTO		(1 << 3)
+#define INT_RDATTO		(1 << 2)
+#define INT_RBSYTO		(1 << 1)
+#define INT_RSPTO		(1 << 0)
+#define INT_ERR_STS		(INT_CMDVIO | INT_BUFVIO | INT_WDATERR |  \
+				 INT_RDATERR | INT_RIDXERR | INT_RSPERR | \
+				 INT_CCSTO | INT_CRCSTO | INT_WDATTO |	  \
+				 INT_RDATTO | INT_RBSYTO | INT_RSPTO)
+
+/* CE_INT_MASK */
+#define MASK_ALL		0x00000000
+#define MASK_MCCSDE		(1 << 29)
+#define MASK_MCMD12DRE		(1 << 26)
+#define MASK_MCMD12RBE		(1 << 25)
+#define MASK_MCMD12CRE		(1 << 24)
+#define MASK_MDTRANE		(1 << 23)
+#define MASK_MBUFRE		(1 << 22)
+#define MASK_MBUFWEN		(1 << 21)
+#define MASK_MBUFREN		(1 << 20)
+#define MASK_MCCSRCV		(1 << 19)
+#define MASK_MRBSYE		(1 << 17)
+#define MASK_MCRSPE		(1 << 16)
+#define MASK_MCMDVIO		(1 << 15)
+#define MASK_MBUFVIO		(1 << 14)
+#define MASK_MWDATERR		(1 << 11)
+#define MASK_MRDATERR		(1 << 10)
+#define MASK_MRIDXERR		(1 << 9)
+#define MASK_MRSPERR		(1 << 8)
+#define MASK_MCCSTO		(1 << 5)
+#define MASK_MCRCSTO		(1 << 4)
+#define MASK_MWDATTO		(1 << 3)
+#define MASK_MRDATTO		(1 << 2)
+#define MASK_MRBSYTO		(1 << 1)
+#define MASK_MRSPTO		(1 << 0)
+
+/* CE_HOST_STS1 */
+#define STS1_CMDSEQ		(1 << 31)
+
+/* CE_HOST_STS2 */
+#define STS2_CRCSTE		(1 << 31)
+#define STS2_CRC16E		(1 << 30)
+#define STS2_AC12CRCE		(1 << 29)
+#define STS2_RSPCRC7E		(1 << 28)
+#define STS2_CRCSTEBE		(1 << 27)
+#define STS2_RDATEBE		(1 << 26)
+#define STS2_AC12REBE		(1 << 25)
+#define STS2_RSPEBE		(1 << 24)
+#define STS2_AC12IDXE		(1 << 23)
+#define STS2_RSPIDXE		(1 << 22)
+#define STS2_CCSTO		(1 << 15)
+#define STS2_RDATTO		(1 << 14)
+#define STS2_DATBSYTO		(1 << 13)
+#define STS2_CRCSTTO		(1 << 12)
+#define STS2_AC12BSYTO		(1 << 11)
+#define STS2_RSPBSYTO		(1 << 10)
+#define STS2_AC12RSPTO		(1 << 9)
+#define STS2_RSPTO		(1 << 8)
+#define STS2_CRC_ERR		(STS2_CRCSTE | STS2_CRC16E |		\
+				 STS2_AC12CRCE | STS2_RSPCRC7E | STS2_CRCSTEBE)
+#define STS2_TIMEOUT_ERR	(STS2_CCSTO | STS2_RDATTO |		\
+				 STS2_DATBSYTO | STS2_CRCSTTO |		\
+				 STS2_AC12BSYTO | STS2_RSPBSYTO |	\
+				 STS2_AC12RSPTO | STS2_RSPTO)
+
+/* CE_VERSION */
+#define SOFT_RST_ON		(1 << 31)
+#define SOFT_RST_OFF		(0 << 31)
+
+#define CLKDEV_EMMC_DATA	52000000 /* 52MHz */
+#define CLKDEV_MMC_DATA		20000000 /* 20MHz */
+#define CLKDEV_INIT		400000   /* 400 KHz */
+
+struct sh_mmcif_host {
+	struct mmc_host *mmc;
+	struct mmc_data *data;
+	struct mmc_command *cmd;
+	struct platform_device *pd;
+	struct clk *hclk;
+	unsigned int clk;
+	int bus_width;
+	u16 wait_int;
+	u16 sd_error;
+	long timeout;
+	void __iomem *addr;
+	wait_queue_head_t intr_wait;
+};
+
+static inline u32 sh_mmcif_readl(struct sh_mmcif_host *host, unsigned int reg)
+{
+	return readl(host->addr + reg);
+}
+
+static inline void sh_mmcif_writel(struct sh_mmcif_host *host,
+					unsigned int reg, u32 val)
+{
+	writel(val, host->addr + reg);
+}
+
+static inline void sh_mmcif_bitset(struct sh_mmcif_host *host,
+					unsigned int reg, u32 val)
+{
+	writel(val | sh_mmcif_readl(host, reg), host->addr + reg);
+}
+
+static inline void sh_mmcif_bitclr(struct sh_mmcif_host *host,
+					unsigned int reg, u32 val)
+{
+	writel(~val & sh_mmcif_readl(host, reg), host->addr + reg);
+}
+
+
+static void sh_mmcif_clock_control(struct sh_mmcif_host *host, unsigned int clk)
+{
+	struct sh_mmcif_plat_data *p = host->pd->dev.platform_data;
+
+	sh_mmcif_bitclr(host, MMCIF_CE_CLK_CTRL, CLK_ENABLE);
+	sh_mmcif_bitclr(host, MMCIF_CE_CLK_CTRL, CLK_CLEAR);
+
+	if (!clk)
+		return;
+	if (p->sup_pclk && clk == host->clk)
+		sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_SUP_PCLK);
+	else
+		sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_CLEAR &
+			(ilog2(__rounddown_pow_of_two(host->clk / clk)) << 16));
+
+	sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_ENABLE);
+}
+
+static void sh_mmcif_sync_reset(struct sh_mmcif_host *host)
+{
+	u32 tmp;
+
+	tmp = 0x010f0000 & sh_mmcif_readl(host, MMCIF_CE_CLK_CTRL);
+
+	sh_mmcif_writel(host, MMCIF_CE_VERSION, SOFT_RST_ON);
+	sh_mmcif_writel(host, MMCIF_CE_VERSION, SOFT_RST_OFF);
+	sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, tmp |
+		SRSPTO_256 | SRBSYTO_29 | SRWDTO_29 | SCCSTO_29);
+	/* byte swap on */
+	sh_mmcif_bitset(host, MMCIF_CE_BUF_ACC, BUF_ACC_ATYP);
+}
+
+static int sh_mmcif_error_manage(struct sh_mmcif_host *host)
+{
+	u32 state1, state2;
+	int ret, timeout = 10000000;
+
+	host->sd_error = 0;
+	host->wait_int = 0;
+
+	state1 = sh_mmcif_readl(host, MMCIF_CE_HOST_STS1);
+	state2 = sh_mmcif_readl(host, MMCIF_CE_HOST_STS2);
+	pr_debug("%s: ERR HOST_STS1 = %08x\n", \
+			DRIVER_NAME, sh_mmcif_readl(host, MMCIF_CE_HOST_STS1));
+	pr_debug("%s: ERR HOST_STS2 = %08x\n", \
+			DRIVER_NAME, sh_mmcif_readl(host, MMCIF_CE_HOST_STS2));
+
+	if (state1 & STS1_CMDSEQ) {
+		sh_mmcif_bitset(host, MMCIF_CE_CMD_CTRL, CMD_CTRL_BREAK);
+		sh_mmcif_bitset(host, MMCIF_CE_CMD_CTRL, ~CMD_CTRL_BREAK);
+		while (1) {
+			timeout--;
+			if (timeout < 0) {
+				pr_err(DRIVER_NAME": Forceed end of " \
+					"command sequence timeout err\n");
+				return -EIO;
+			}
+			if (!(sh_mmcif_readl(host, MMCIF_CE_HOST_STS1)
+								& STS1_CMDSEQ))
+				break;
+			mdelay(1);
+		}
+		sh_mmcif_sync_reset(host);
+		pr_debug(DRIVER_NAME": Forced end of command sequence\n");
+		return -EIO;
+	}
+
+	if (state2 & STS2_CRC_ERR) {
+		pr_debug(DRIVER_NAME": Happened CRC error\n");
+		ret = -EIO;
+	} else if (state2 & STS2_TIMEOUT_ERR) {
+		pr_debug(DRIVER_NAME": Happened Timeout error\n");
+		ret = -ETIMEDOUT;
+	} else {
+		pr_debug(DRIVER_NAME": Happened End/Index error\n");
+		ret = -EIO;
+	}
+	return ret;
+}
+
+static int sh_mmcif_single_read(struct sh_mmcif_host *host,
+					struct mmc_request *mrq)
+{
+	struct mmc_data *data = mrq->data;
+	long time;
+	u32 blocksize, i, *p = sg_virt(data->sg);
+
+	host->wait_int = 0;
+
+	/* buf read enable */
+	sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MBUFREN);
+	time = wait_event_interruptible_timeout(host->intr_wait,
+			host->wait_int == 1 ||
+			host->sd_error == 1, host->timeout);
+	if (host->wait_int != 1 && (time == 0 || host->sd_error != 0))
+		return sh_mmcif_error_manage(host);
+
+	host->wait_int = 0;
+	blocksize = (BLOCK_SIZE_MASK &
+			sh_mmcif_readl(host, MMCIF_CE_BLOCK_SET)) + 3;
+	for (i = 0; i < blocksize / 4; i++)
+		*p++ = sh_mmcif_readl(host, MMCIF_CE_DATA);
+
+	/* buffer read end */
+	sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MBUFRE);
+	time = wait_event_interruptible_timeout(host->intr_wait,
+			host->wait_int == 1 ||
+			host->sd_error == 1, host->timeout);
+	if (host->wait_int != 1 && (time == 0 || host->sd_error != 0))
+		return sh_mmcif_error_manage(host);
+
+	host->wait_int = 0;
+	return 0;
+}
+
+static int sh_mmcif_multi_read(struct sh_mmcif_host *host,
+					struct mmc_request *mrq)
+{
+	struct mmc_data *data = mrq->data;
+	long time;
+	u32 blocksize, i, j, sec, *p;
+
+	blocksize = BLOCK_SIZE_MASK & sh_mmcif_readl(host, MMCIF_CE_BLOCK_SET);
+	for (j = 0; j < data->sg_len; j++) {
+		p = sg_virt(data->sg);
+		host->wait_int = 0;
+		for (sec = 0; sec < data->sg->length / blocksize; sec++) {
+			sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MBUFREN);
+			/* buf read enable */
+			time = wait_event_interruptible_timeout(host->intr_wait,
+				host->wait_int == 1 ||
+				host->sd_error == 1, host->timeout);
+
+			if (host->wait_int != 1 &&
+			    (time == 0 || host->sd_error != 0))
+				return sh_mmcif_error_manage(host);
+
+			host->wait_int = 0;
+			for (i = 0; i < blocksize / 4; i++)
+				*p++ = sh_mmcif_readl(host, MMCIF_CE_DATA);
+		}
+		if (j < data->sg_len - 1)
+			data->sg++;
+	}
+	return 0;
+}
+
+static int sh_mmcif_single_write(struct sh_mmcif_host *host,
+					struct mmc_request *mrq)
+{
+	struct mmc_data *data = mrq->data;
+	long time;
+	u32 blocksize, i, *p = sg_virt(data->sg);
+
+	host->wait_int = 0;
+	sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MBUFWEN);
+
+	/* buf write enable */
+	time = wait_event_interruptible_timeout(host->intr_wait,
+			host->wait_int == 1 ||
+			host->sd_error == 1, host->timeout);
+	if (host->wait_int != 1 && (time == 0 || host->sd_error != 0))
+		return sh_mmcif_error_manage(host);
+
+	host->wait_int = 0;
+	blocksize = (BLOCK_SIZE_MASK &
+			sh_mmcif_readl(host, MMCIF_CE_BLOCK_SET)) + 3;
+	for (i = 0; i < blocksize / 4; i++)
+		sh_mmcif_writel(host, MMCIF_CE_DATA, *p++);
+
+	/* buffer write end */
+	sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MDTRANE);
+
+	time = wait_event_interruptible_timeout(host->intr_wait,
+			host->wait_int == 1 ||
+			host->sd_error == 1, host->timeout);
+	if (host->wait_int != 1 && (time == 0 || host->sd_error != 0))
+		return sh_mmcif_error_manage(host);
+
+	host->wait_int = 0;
+	return 0;
+}
+
+static int sh_mmcif_multi_write(struct sh_mmcif_host *host,
+						struct mmc_request *mrq)
+{
+	struct mmc_data *data = mrq->data;
+	long time;
+	u32 i, sec, j, blocksize, *p;
+
+	blocksize = BLOCK_SIZE_MASK & sh_mmcif_readl(host, MMCIF_CE_BLOCK_SET);
+
+	for (j = 0; j < data->sg_len; j++) {
+		p = sg_virt(data->sg);
+		host->wait_int = 0;
+		for (sec = 0; sec < data->sg->length / blocksize; sec++) {
+			sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MBUFWEN);
+			/* buf write enable*/
+			time = wait_event_interruptible_timeout(host->intr_wait,
+				host->wait_int == 1 ||
+				host->sd_error == 1, host->timeout);
+
+			if (host->wait_int != 1 &&
+			    (time == 0 || host->sd_error != 0))
+				return sh_mmcif_error_manage(host);
+
+			host->wait_int = 0;
+			for (i = 0; i < blocksize / 4; i++)
+				sh_mmcif_writel(host, MMCIF_CE_DATA, *p++);
+		}
+		if (j < data->sg_len - 1)
+			data->sg++;
+	}
+	return 0;
+}
+
+static void sh_mmcif_get_response(struct sh_mmcif_host *host,
+						struct mmc_command *cmd)
+{
+	if (cmd->flags & MMC_RSP_136) {
+		cmd->resp[0] = sh_mmcif_readl(host, MMCIF_CE_RESP3);
+		cmd->resp[1] = sh_mmcif_readl(host, MMCIF_CE_RESP2);
+		cmd->resp[2] = sh_mmcif_readl(host, MMCIF_CE_RESP1);
+		cmd->resp[3] = sh_mmcif_readl(host, MMCIF_CE_RESP0);
+	} else
+		cmd->resp[0] = sh_mmcif_readl(host, MMCIF_CE_RESP0);
+}
+
+static void sh_mmcif_get_cmd12response(struct sh_mmcif_host *host,
+						struct mmc_command *cmd)
+{
+	cmd->resp[0] = sh_mmcif_readl(host, MMCIF_CE_RESP_CMD12);
+}
+
+static u32 sh_mmcif_set_cmd(struct sh_mmcif_host *host,
+		struct mmc_request *mrq, struct mmc_command *cmd, u32 opc)
+{
+	u32 tmp = 0;
+
+	/* Response Type check */
+	switch (mmc_resp_type(cmd)) {
+	case MMC_RSP_NONE:
+		tmp |= CMD_SET_RTYP_NO;
+		break;
+	case MMC_RSP_R1:
+	case MMC_RSP_R1B:
+	case MMC_RSP_R3:
+		tmp |= CMD_SET_RTYP_6B;
+		break;
+	case MMC_RSP_R2:
+		tmp |= CMD_SET_RTYP_17B;
+		break;
+	default:
+		pr_err(DRIVER_NAME": Not support type response.\n");
+		break;
+	}
+	switch (opc) {
+	/* RBSY */
+	case MMC_SWITCH:
+	case MMC_STOP_TRANSMISSION:
+	case MMC_SET_WRITE_PROT:
+	case MMC_CLR_WRITE_PROT:
+	case MMC_ERASE:
+	case MMC_GEN_CMD:
+		tmp |= CMD_SET_RBSY;
+		break;
+	}
+	/* WDAT / DATW */
+	if (host->data) {
+		tmp |= CMD_SET_WDAT;
+		switch (host->bus_width) {
+		case MMC_BUS_WIDTH_1:
+			tmp |= CMD_SET_DATW_1;
+			break;
+		case MMC_BUS_WIDTH_4:
+			tmp |= CMD_SET_DATW_4;
+			break;
+		case MMC_BUS_WIDTH_8:
+			tmp |= CMD_SET_DATW_8;
+			break;
+		default:
+			pr_err(DRIVER_NAME": Not support bus width.\n");
+			break;
+		}
+	}
+	/* DWEN */
+	if (opc == MMC_WRITE_BLOCK || opc == MMC_WRITE_MULTIPLE_BLOCK)
+		tmp |= CMD_SET_DWEN;
+	/* CMLTE/CMD12EN */
+	if (opc == MMC_READ_MULTIPLE_BLOCK || opc == MMC_WRITE_MULTIPLE_BLOCK) {
+		tmp |= CMD_SET_CMLTE | CMD_SET_CMD12EN;
+		sh_mmcif_bitset(host, MMCIF_CE_BLOCK_SET,
+					mrq->data->blocks << 16);
+	}
+	/* RIDXC[1:0] check bits */
+	if (opc == MMC_SEND_OP_COND || opc == MMC_ALL_SEND_CID ||
+	    opc == MMC_SEND_CSD || opc == MMC_SEND_CID)
+		tmp |= CMD_SET_RIDXC_BITS;
+	/* RCRC7C[1:0] check bits */
+	if (opc == MMC_SEND_OP_COND)
+		tmp |= CMD_SET_CRC7C_BITS;
+	/* RCRC7C[1:0] internal CRC7 */
+	if (opc == MMC_ALL_SEND_CID ||
+		opc == MMC_SEND_CSD || opc == MMC_SEND_CID)
+		tmp |= CMD_SET_CRC7C_INTERNAL;
+
+	return opc = ((opc << 24) | tmp);
+}
+
+static u32 sh_mmcif_data_trans(struct sh_mmcif_host *host,
+				struct mmc_request *mrq, u32 opc)
+{
+	u32 ret;
+
+	switch (opc) {
+	case MMC_READ_MULTIPLE_BLOCK:
+		ret = sh_mmcif_multi_read(host, mrq);
+		break;
+	case MMC_WRITE_MULTIPLE_BLOCK:
+		ret = sh_mmcif_multi_write(host, mrq);
+		break;
+	case MMC_WRITE_BLOCK:
+		ret = sh_mmcif_single_write(host, mrq);
+		break;
+	case MMC_READ_SINGLE_BLOCK:
+	case MMC_SEND_EXT_CSD:
+		ret = sh_mmcif_single_read(host, mrq);
+		break;
+	default:
+		pr_err(DRIVER_NAME": NOT SUPPORT CMD = d'%08d\n", opc);
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static void sh_mmcif_start_cmd(struct sh_mmcif_host *host,
+			struct mmc_request *mrq, struct mmc_command *cmd)
+{
+	long time;
+	int ret = 0, mask = 0;
+	u32 opc = cmd->opcode;
+
+	host->cmd = cmd;
+
+	switch (opc) {
+	/* respons busy check */
+	case MMC_SWITCH:
+	case MMC_STOP_TRANSMISSION:
+	case MMC_SET_WRITE_PROT:
+	case MMC_CLR_WRITE_PROT:
+	case MMC_ERASE:
+	case MMC_GEN_CMD:
+		mask = MASK_MRBSYE;
+		break;
+	default:
+		mask = MASK_MCRSPE;
+		break;
+	}
+	mask |=	MASK_MCMDVIO | MASK_MBUFVIO | MASK_MWDATERR |
+		MASK_MRDATERR | MASK_MRIDXERR | MASK_MRSPERR |
+		MASK_MCCSTO | MASK_MCRCSTO | MASK_MWDATTO |
+		MASK_MRDATTO | MASK_MRBSYTO | MASK_MRSPTO;
+
+	if (host->data) {
+		sh_mmcif_writel(host, MMCIF_CE_BLOCK_SET, 0);
+		sh_mmcif_writel(host, MMCIF_CE_BLOCK_SET, mrq->data->blksz);
+	}
+	opc = sh_mmcif_set_cmd(host, mrq, cmd, opc);
+
+	sh_mmcif_writel(host, MMCIF_CE_INT, 0xD80430C0);
+	sh_mmcif_writel(host, MMCIF_CE_INT_MASK, mask);
+	/* set arg */
+	sh_mmcif_writel(host, MMCIF_CE_ARG, cmd->arg);
+	host->wait_int = 0;
+	/* set cmd */
+	sh_mmcif_writel(host, MMCIF_CE_CMD_SET, opc);
+
+	time = wait_event_interruptible_timeout(host->intr_wait,
+		host->wait_int == 1 || host->sd_error == 1, host->timeout);
+	if (host->wait_int != 1 && time == 0) {
+		cmd->error = sh_mmcif_error_manage(host);
+		return;
+	}
+	if (host->sd_error) {
+		switch (cmd->opcode) {
+		case MMC_ALL_SEND_CID:
+		case MMC_SELECT_CARD:
+		case MMC_APP_CMD:
+			cmd->error = -ETIMEDOUT;
+			break;
+		default:
+			pr_debug("%s: Cmd(d'%d) err\n",
+					DRIVER_NAME, cmd->opcode);
+			cmd->error = sh_mmcif_error_manage(host);
+			break;
+		}
+		host->sd_error = 0;
+		host->wait_int = 0;
+		return;
+	}
+	if (!(cmd->flags & MMC_RSP_PRESENT)) {
+		cmd->error = ret;
+		host->wait_int = 0;
+		return;
+	}
+	if (host->wait_int == 1) {
+		sh_mmcif_get_response(host, cmd);
+		host->wait_int = 0;
+	}
+	if (host->data) {
+		ret = sh_mmcif_data_trans(host, mrq, cmd->opcode);
+		if (ret < 0)
+			mrq->data->bytes_xfered = 0;
+		else
+			mrq->data->bytes_xfered =
+				mrq->data->blocks * mrq->data->blksz;
+	}
+	cmd->error = ret;
+}
+
+static void sh_mmcif_stop_cmd(struct sh_mmcif_host *host,
+		struct mmc_request *mrq, struct mmc_command *cmd)
+{
+	long time;
+
+	if (mrq->cmd->opcode == MMC_READ_MULTIPLE_BLOCK)
+		sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MCMD12DRE);
+	else if (mrq->cmd->opcode == MMC_WRITE_MULTIPLE_BLOCK)
+		sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MCMD12RBE);
+	else {
+		pr_err(DRIVER_NAME": not support stop cmd\n");
+		cmd->error = sh_mmcif_error_manage(host);
+		return;
+	}
+
+	time = wait_event_interruptible_timeout(host->intr_wait,
+			host->wait_int == 1 ||
+			host->sd_error == 1, host->timeout);
+	if (host->wait_int != 1 && (time == 0 || host->sd_error != 0)) {
+		cmd->error = sh_mmcif_error_manage(host);
+		return;
+	}
+	sh_mmcif_get_cmd12response(host, cmd);
+	host->wait_int = 0;
+	cmd->error = 0;
+}
+
+static void sh_mmcif_request(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+	struct sh_mmcif_host *host = mmc_priv(mmc);
+
+	switch (mrq->cmd->opcode) {
+	/* MMCIF does not support SD/SDIO command */
+	case SD_IO_SEND_OP_COND:
+	case MMC_APP_CMD:
+		mrq->cmd->error = -ETIMEDOUT;
+		mmc_request_done(mmc, mrq);
+		return;
+	case MMC_SEND_EXT_CSD: /* = SD_SEND_IF_COND (8) */
+		if (!mrq->data) {
+			/* send_if_cond cmd (not support) */
+			mrq->cmd->error = -ETIMEDOUT;
+			mmc_request_done(mmc, mrq);
+			return;
+		}
+		break;
+	default:
+		break;
+	}
+	host->data = mrq->data;
+	sh_mmcif_start_cmd(host, mrq, mrq->cmd);
+	host->data = NULL;
+
+	if (mrq->cmd->error != 0) {
+		mmc_request_done(mmc, mrq);
+		return;
+	}
+	if (mrq->stop)
+		sh_mmcif_stop_cmd(host, mrq, mrq->stop);
+	mmc_request_done(mmc, mrq);
+}
+
+static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+	struct sh_mmcif_host *host = mmc_priv(mmc);
+	struct sh_mmcif_plat_data *p = host->pd->dev.platform_data;
+
+	if (ios->power_mode == MMC_POWER_OFF) {
+		/* clock stop */
+		sh_mmcif_clock_control(host, 0);
+		if (p->down_pwr)
+			p->down_pwr(host->pd);
+		return;
+	} else if (ios->power_mode == MMC_POWER_UP) {
+		if (p->set_pwr)
+			p->set_pwr(host->pd, ios->power_mode);
+	}
+
+	if (ios->clock)
+		sh_mmcif_clock_control(host, ios->clock);
+
+	host->bus_width = ios->bus_width;
+}
+
+static struct mmc_host_ops sh_mmcif_ops = {
+	.request	= sh_mmcif_request,
+	.set_ios	= sh_mmcif_set_ios,
+};
+
+static void sh_mmcif_detect(struct mmc_host *mmc)
+{
+	mmc_detect_change(mmc, 0);
+}
+
+static irqreturn_t sh_mmcif_intr(int irq, void *dev_id)
+{
+	struct sh_mmcif_host *host = dev_id;
+	u32 state = 0;
+	int err = 0;
+
+	state = sh_mmcif_readl(host, MMCIF_CE_INT);
+
+	if (state & INT_RBSYE) {
+		sh_mmcif_writel(host, MMCIF_CE_INT, ~(INT_RBSYE | INT_CRSPE));
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MRBSYE);
+	} else if (state & INT_CRSPE) {
+		sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_CRSPE);
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MCRSPE);
+	} else if (state & INT_BUFREN) {
+		sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_BUFREN);
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MBUFREN);
+	} else if (state & INT_BUFWEN) {
+		sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_BUFWEN);
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MBUFWEN);
+	} else if (state & INT_CMD12DRE) {
+		sh_mmcif_writel(host, MMCIF_CE_INT,
+			~(INT_CMD12DRE | INT_CMD12RBE |
+			  INT_CMD12CRE | INT_BUFRE));
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MCMD12DRE);
+	} else if (state & INT_BUFRE) {
+		sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_BUFRE);
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MBUFRE);
+	} else if (state & INT_DTRANE) {
+		sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_DTRANE);
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MDTRANE);
+	} else if (state & INT_CMD12RBE) {
+		sh_mmcif_writel(host, MMCIF_CE_INT,
+				~(INT_CMD12RBE | INT_CMD12CRE));
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MCMD12RBE);
+	} else if (state & INT_ERR_STS) {
+		/* err interrupts */
+		sh_mmcif_writel(host, MMCIF_CE_INT, ~state);
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, state);
+		err = 1;
+	} else {
+		pr_debug("%s: Not support int\n", DRIVER_NAME);
+		sh_mmcif_writel(host, MMCIF_CE_INT, ~state);
+		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, state);
+		err = 1;
+	}
+	if (err) {
+		host->sd_error = 1;
+		pr_debug("%s: int err state = %08x\n", DRIVER_NAME, state);
+	}
+	host->wait_int = 1;
+	wake_up(&host->intr_wait);
+
+	return IRQ_HANDLED;
+}
+
+static int __devinit sh_mmcif_probe(struct platform_device *pdev)
+{
+	int ret = 0, irq[2];
+	struct mmc_host *mmc;
+	struct sh_mmcif_host *host = NULL;
+	struct sh_mmcif_plat_data *pd = NULL;
+	struct resource *res;
+	void __iomem *reg;
+	char clk_name[8];
+
+	irq[0] = platform_get_irq(pdev, 0);
+	irq[1] = platform_get_irq(pdev, 1);
+	if (irq[0] < 0 || irq[1] < 0) {
+		pr_err(DRIVER_NAME": Get irq error\n");
+		return -ENXIO;
+	}
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "platform_get_resource error.\n");
+		return -ENXIO;
+	}
+	reg = ioremap(res->start, resource_size(res));
+	if (!reg) {
+		dev_err(&pdev->dev, "ioremap error.\n");
+		return -ENOMEM;
+	}
+	pd = (struct sh_mmcif_plat_data *)(pdev->dev.platform_data);
+	if (!pd) {
+		dev_err(&pdev->dev, "sh_mmcif plat data error.\n");
+		ret = -ENXIO;
+		goto clean_up;
+	}
+	mmc = mmc_alloc_host(sizeof(struct sh_mmcif_host), &pdev->dev);
+	if (!mmc) {
+		ret = -ENOMEM;
+		goto clean_up;
+	}
+	host		= mmc_priv(mmc);
+	host->mmc	= mmc;
+	host->addr	= reg;
+	host->timeout	= 1000;
+
+	snprintf(clk_name, sizeof(clk_name), "mmc%d", pdev->id);
+	host->hclk = clk_get(&pdev->dev, clk_name);
+	if (IS_ERR(host->hclk)) {
+		dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
+		ret = PTR_ERR(host->hclk);
+		goto clean_up1;
+	}
+	clk_enable(host->hclk);
+	host->clk = clk_get_rate(host->hclk);
+	host->pd = pdev;
+
+	init_waitqueue_head(&host->intr_wait);
+
+	mmc->ops = &sh_mmcif_ops;
+	mmc->f_max = host->clk;
+	/* close to 400KHz */
+	if (mmc->f_max < 51200000)
+		mmc->f_min = mmc->f_max / 128;
+	else if (mmc->f_max < 102400000)
+		mmc->f_min = mmc->f_max / 256;
+	else
+		mmc->f_min = mmc->f_max / 512;
+	if (pd->ocr)
+		mmc->ocr_avail = pd->ocr;
+	mmc->caps = MMC_CAP_MMC_HIGHSPEED;
+	if (pd->caps)
+		mmc->caps |= pd->caps;
+	mmc->max_phys_segs = 128;
+	mmc->max_hw_segs = 128;
+	mmc->max_blk_size = 512;
+	mmc->max_blk_count = 65535;
+	mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
+	mmc->max_seg_size = mmc->max_req_size;
+
+	sh_mmcif_sync_reset(host);
+	platform_set_drvdata(pdev, host);
+	mmc_add_host(mmc);
+
+	ret = request_irq(irq[0], sh_mmcif_intr, 0, "sh_mmc:error", host);
+	if (ret) {
+		pr_err(DRIVER_NAME": request_irq error (sh_mmc:error)\n");
+		goto clean_up2;
+	}
+	ret = request_irq(irq[1], sh_mmcif_intr, 0, "sh_mmc:int", host);
+	if (ret) {
+		free_irq(irq[0], host);
+		pr_err(DRIVER_NAME": request_irq error (sh_mmc:int)\n");
+		goto clean_up2;
+	}
+
+	sh_mmcif_writel(host, MMCIF_CE_INT_MASK, MASK_ALL);
+	sh_mmcif_detect(host->mmc);
+
+	pr_info("%s: driver version %s\n", DRIVER_NAME, DRIVER_VERSION);
+	pr_debug("%s: chip ver H'%04x\n", DRIVER_NAME,
+			sh_mmcif_readl(host, MMCIF_CE_VERSION) & 0x0000ffff);
+	return ret;
+
+clean_up2:
+	clk_disable(host->hclk);
+clean_up1:
+	mmc_free_host(mmc);
+clean_up:
+	if (reg)
+		iounmap(reg);
+	return ret;
+}
+
+static int __devexit sh_mmcif_remove(struct platform_device *pdev)
+{
+	struct sh_mmcif_host *host = platform_get_drvdata(pdev);
+	int irq[2];
+
+	sh_mmcif_writel(host, MMCIF_CE_INT_MASK, MASK_ALL);
+
+	irq[0] = platform_get_irq(pdev, 0);
+	irq[1] = platform_get_irq(pdev, 1);
+
+	if (host->addr)
+		iounmap(host->addr);
+
+	platform_set_drvdata(pdev, NULL);
+	mmc_remove_host(host->mmc);
+
+	free_irq(irq[0], host);
+	free_irq(irq[1], host);
+
+	clk_disable(host->hclk);
+	mmc_free_host(host->mmc);
+
+	return 0;
+}
+
+static struct platform_driver sh_mmcif_driver = {
+	.probe		= sh_mmcif_probe,
+	.remove		= sh_mmcif_remove,
+	.driver		= {
+		.name	= DRIVER_NAME,
+	},
+};
+
+static int __init sh_mmcif_init(void)
+{
+	return platform_driver_register(&sh_mmcif_driver);
+}
+
+static void __exit sh_mmcif_exit(void)
+{
+	platform_driver_unregister(&sh_mmcif_driver);
+}
+
+module_init(sh_mmcif_init);
+module_exit(sh_mmcif_exit);
+
+
+MODULE_DESCRIPTION("SuperH on-chip MMC/eMMC interface driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS(DRIVER_NAME);
+MODULE_AUTHOR("Yusuke Goda <yusuke.goda.sx@renesas.com>");
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
new file mode 100644
index 00000000000..aafe832f18a
--- /dev/null
+++ b/include/linux/mmc/sh_mmcif.h
@@ -0,0 +1,39 @@
+/*
+ * include/linux/mmc/sh_mmcif.h
+ *
+ * platform data for eMMC driver
+ *
+ * Copyright (C) 2010 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+ *
+ */
+
+#ifndef __SH_MMCIF_H__
+#define __SH_MMCIF_H__
+
+/*
+ * MMCIF : CE_CLK_CTRL [19:16]
+ * 1000 : Peripheral clock / 512
+ * 0111 : Peripheral clock / 256
+ * 0110 : Peripheral clock / 128
+ * 0101 : Peripheral clock / 64
+ * 0100 : Peripheral clock / 32
+ * 0011 : Peripheral clock / 16
+ * 0010 : Peripheral clock / 8
+ * 0001 : Peripheral clock / 4
+ * 0000 : Peripheral clock / 2
+ * 1111 : Peripheral clock (sup_pclk set '1')
+ */
+
+struct sh_mmcif_plat_data {
+	void (*set_pwr)(struct platform_device *pdev, int state);
+	void (*down_pwr)(struct platform_device *pdev);
+	u8	sup_pclk;	/* 1 :SH7757, 0: SH7724/SH7372 */
+	unsigned long caps;
+	u32	ocr;
+};
+
+#endif /* __SH_MMCIF_H__ */

From 88ff82ed4ff048c5548db9313b3de327c91234f8 Mon Sep 17 00:00:00 2001
From: Anders Grahn <anders.grahn@hd-wireless.se>
Date: Wed, 26 May 2010 14:42:01 -0700
Subject: [PATCH 3282/3638] mmc: atmel-mci: Add support for SDIO interrupts

Atmel-mci support for SDIO interrupts.  This adds the enable_sdio_irq()
function and the configuration of sdio irq mask per slot.  With this irq
mask information, we keep the idea of multiple slot per sd/mmc host (not
only A and B).  MMC_CAP_SDIO_IRQ is added according to slot configuration.

A new little function is added to run mmc_signal_sdio_irq() during
interrupt handling routine.

Signed-off-by: Anders Grahn <anders.grahn@hd-wireless.se>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/atmel-mci.c | 42 ++++++++++++++++++++++++++++++++----
 1 file changed, 38 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index f6013ccbc61..95ef864ad8f 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -173,6 +173,7 @@ struct atmel_mci {
  * @mmc: The mmc_host representing this slot.
  * @host: The MMC controller this slot is using.
  * @sdc_reg: Value of SDCR to be written before using this slot.
+ * @sdio_irq: SDIO irq mask for this slot.
  * @mrq: mmc_request currently being processed or waiting to be
  *	processed, or NULL when the slot is idle.
  * @queue_node: List node for placing this node in the @queue list of
@@ -191,6 +192,7 @@ struct atmel_mci_slot {
 	struct atmel_mci	*host;
 
 	u32			sdc_reg;
+	u32			sdio_irq;
 
 	struct mmc_request	*mrq;
 	struct list_head	queue_node;
@@ -792,7 +794,7 @@ static void atmci_start_request(struct atmel_mci *host,
 	mci_writel(host, SDCR, slot->sdc_reg);
 
 	iflags = mci_readl(host, IMR);
-	if (iflags)
+	if (iflags & ~(MCI_SDIOIRQA | MCI_SDIOIRQB))
 		dev_warn(&slot->mmc->class_dev, "WARNING: IMR=0x%08x\n",
 				iflags);
 
@@ -1041,11 +1043,23 @@ static int atmci_get_cd(struct mmc_host *mmc)
 	return present;
 }
 
+static void atmci_enable_sdio_irq(struct mmc_host *mmc, int enable)
+{
+	struct atmel_mci_slot	*slot = mmc_priv(mmc);
+	struct atmel_mci	*host = slot->host;
+
+	if (enable)
+		mci_writel(host, IER, slot->sdio_irq);
+	else
+		mci_writel(host, IDR, slot->sdio_irq);
+}
+
 static const struct mmc_host_ops atmci_ops = {
 	.request	= atmci_request,
 	.set_ios	= atmci_set_ios,
 	.get_ro		= atmci_get_ro,
 	.get_cd		= atmci_get_cd,
+	.enable_sdio_irq = atmci_enable_sdio_irq,
 };
 
 /* Called with host->lock held */
@@ -1497,6 +1511,19 @@ static void atmci_cmd_interrupt(struct atmel_mci *host, u32 status)
 	tasklet_schedule(&host->tasklet);
 }
 
+static void atmci_sdio_interrupt(struct atmel_mci *host, u32 status)
+{
+	int	i;
+
+	for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) {
+		struct atmel_mci_slot *slot = host->slot[i];
+		if (slot && (status & slot->sdio_irq)) {
+			mmc_signal_sdio_irq(slot->mmc);
+		}
+	}
+}
+
+
 static irqreturn_t atmci_interrupt(int irq, void *dev_id)
 {
 	struct atmel_mci	*host = dev_id;
@@ -1536,6 +1563,10 @@ static irqreturn_t atmci_interrupt(int irq, void *dev_id)
 
 		if (pending & MCI_CMDRDY)
 			atmci_cmd_interrupt(host, status);
+
+		if (pending & (MCI_SDIOIRQA | MCI_SDIOIRQB))
+			atmci_sdio_interrupt(host, status);
+
 	} while (pass_count++ < 5);
 
 	return pass_count ? IRQ_HANDLED : IRQ_NONE;
@@ -1558,7 +1589,7 @@ static irqreturn_t atmci_detect_interrupt(int irq, void *dev_id)
 
 static int __init atmci_init_slot(struct atmel_mci *host,
 		struct mci_slot_pdata *slot_data, unsigned int id,
-		u32 sdc_reg)
+		u32 sdc_reg, u32 sdio_irq)
 {
 	struct mmc_host			*mmc;
 	struct atmel_mci_slot		*slot;
@@ -1574,11 +1605,14 @@ static int __init atmci_init_slot(struct atmel_mci *host,
 	slot->wp_pin = slot_data->wp_pin;
 	slot->detect_is_active_high = slot_data->detect_is_active_high;
 	slot->sdc_reg = sdc_reg;
+	slot->sdio_irq = sdio_irq;
 
 	mmc->ops = &atmci_ops;
 	mmc->f_min = DIV_ROUND_UP(host->bus_hz, 512);
 	mmc->f_max = host->bus_hz / 2;
 	mmc->ocr_avail	= MMC_VDD_32_33 | MMC_VDD_33_34;
+	if (sdio_irq)
+		mmc->caps |= MMC_CAP_SDIO_IRQ;
 	if (atmci_is_mci2())
 		mmc->caps |= MMC_CAP_SD_HIGHSPEED;
 	if (slot_data->bus_width >= 4)
@@ -1769,13 +1803,13 @@ static int __init atmci_probe(struct platform_device *pdev)
 	ret = -ENODEV;
 	if (pdata->slot[0].bus_width) {
 		ret = atmci_init_slot(host, &pdata->slot[0],
-				0, MCI_SDCSEL_SLOT_A);
+				0, MCI_SDCSEL_SLOT_A, MCI_SDIOIRQA);
 		if (!ret)
 			nr_slots++;
 	}
 	if (pdata->slot[1].bus_width) {
 		ret = atmci_init_slot(host, &pdata->slot[1],
-				1, MCI_SDCSEL_SLOT_B);
+				1, MCI_SDCSEL_SLOT_B, MCI_SDIOIRQB);
 		if (!ret)
 			nr_slots++;
 	}

From a751a7d69fe91e4640884ae02fe44ddceb7f4cd8 Mon Sep 17 00:00:00 2001
From: Zhangfei Gao <zgao6@marvell.com>
Date: Wed, 26 May 2010 14:42:02 -0700
Subject: [PATCH 3283/3638] mmc: SDHCI_INT_DATA_MASK typo error

Signed-off-by: Zhangfei Gao <zgao6@marvell.com>
Reviewed-by: Matt Fleming <matt@console-pimps.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 831bf7f137f..47c1360cc2a 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -127,7 +127,7 @@
 #define  SDHCI_INT_DATA_MASK	(SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
 		SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
 		SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
-		SDHCI_INT_DATA_END_BIT | SDHCI_ADMA_ERROR)
+		SDHCI_INT_DATA_END_BIT | SDHCI_INT_ADMA_ERROR)
 #define SDHCI_INT_ALL_MASK	((unsigned int)-1)
 
 #define SDHCI_ACMD12_ERR	0x3C

From dc297c92e6e63af5cbd7e7d2f377247f5664a378 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Wed, 26 May 2010 14:42:03 -0700
Subject: [PATCH 3284/3638] sdhci: build fix: rename SDHCI I/O accessor
 functions

Unfortunately some architectures #define their read{b,w,l} and
write{b,w,l} I/O accessors which makes the SDHCI I/O accessor functions of
the same names subject to preprocessing.  This leads to the following
compiler error,

In file included from drivers/mmc/host/sdhci.c:26:
drivers/mmc/host/sdhci.h:318:35: error: macro "writel" passed 3 arguments, but takes just 2

Rename the SDHCI I/O functions so that CONFIG_MMC_SDHCI_IO_ACCESSORS can
be enabled for architectures that implement their read{b,w,l} and
write{b,w,l} functions with macros.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Cc: Zhangfei Gao <zgao6@marvell.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci-of-esdhc.c | 12 +++++------
 drivers/mmc/host/sdhci-of-hlwd.c  | 12 +++++------
 drivers/mmc/host/sdhci.h          | 36 +++++++++++++++----------------
 3 files changed, 30 insertions(+), 30 deletions(-)

diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index d5b11a17e64..c8623de13af 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -129,12 +129,12 @@ struct sdhci_of_data sdhci_esdhc = {
 		  SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET |
 		  SDHCI_QUIRK_NO_CARD_NO_RESET,
 	.ops = {
-		.readl = sdhci_be32bs_readl,
-		.readw = esdhc_readw,
-		.readb = sdhci_be32bs_readb,
-		.writel = sdhci_be32bs_writel,
-		.writew = esdhc_writew,
-		.writeb = esdhc_writeb,
+		.read_l = sdhci_be32bs_readl,
+		.read_w = esdhc_readw,
+		.read_b = sdhci_be32bs_readb,
+		.write_l = sdhci_be32bs_writel,
+		.write_w = esdhc_writew,
+		.write_b = esdhc_writeb,
 		.set_clock = esdhc_set_clock,
 		.enable_dma = esdhc_enable_dma,
 		.get_max_clock = esdhc_get_max_clock,
diff --git a/drivers/mmc/host/sdhci-of-hlwd.c b/drivers/mmc/host/sdhci-of-hlwd.c
index 35117f3ed75..68ddb7546ae 100644
--- a/drivers/mmc/host/sdhci-of-hlwd.c
+++ b/drivers/mmc/host/sdhci-of-hlwd.c
@@ -55,11 +55,11 @@ struct sdhci_of_data sdhci_hlwd = {
 	.quirks = SDHCI_QUIRK_32BIT_DMA_ADDR |
 		  SDHCI_QUIRK_32BIT_DMA_SIZE,
 	.ops = {
-		.readl = sdhci_be32bs_readl,
-		.readw = sdhci_be32bs_readw,
-		.readb = sdhci_be32bs_readb,
-		.writel = sdhci_hlwd_writel,
-		.writew = sdhci_hlwd_writew,
-		.writeb = sdhci_hlwd_writeb,
+		.read_l = sdhci_be32bs_readl,
+		.read_w = sdhci_be32bs_readw,
+		.read_b = sdhci_be32bs_readb,
+		.write_l = sdhci_hlwd_writel,
+		.write_w = sdhci_hlwd_writew,
+		.write_b = sdhci_hlwd_writeb,
 	},
 };
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 47c1360cc2a..af08a1935b0 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -296,12 +296,12 @@ struct sdhci_host {
 
 struct sdhci_ops {
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
-	u32		(*readl)(struct sdhci_host *host, int reg);
-	u16		(*readw)(struct sdhci_host *host, int reg);
-	u8		(*readb)(struct sdhci_host *host, int reg);
-	void		(*writel)(struct sdhci_host *host, u32 val, int reg);
-	void		(*writew)(struct sdhci_host *host, u16 val, int reg);
-	void		(*writeb)(struct sdhci_host *host, u8 val, int reg);
+	u32		(*read_l)(struct sdhci_host *host, int reg);
+	u16		(*read_w)(struct sdhci_host *host, int reg);
+	u8		(*read_b)(struct sdhci_host *host, int reg);
+	void		(*write_l)(struct sdhci_host *host, u32 val, int reg);
+	void		(*write_w)(struct sdhci_host *host, u16 val, int reg);
+	void		(*write_b)(struct sdhci_host *host, u8 val, int reg);
 #endif
 
 	void	(*set_clock)(struct sdhci_host *host, unsigned int clock);
@@ -316,48 +316,48 @@ struct sdhci_ops {
 
 static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
 {
-	if (unlikely(host->ops->writel))
-		host->ops->writel(host, val, reg);
+	if (unlikely(host->ops->write_l))
+		host->ops->write_l(host, val, reg);
 	else
 		writel(val, host->ioaddr + reg);
 }
 
 static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
 {
-	if (unlikely(host->ops->writew))
-		host->ops->writew(host, val, reg);
+	if (unlikely(host->ops->write_w))
+		host->ops->write_w(host, val, reg);
 	else
 		writew(val, host->ioaddr + reg);
 }
 
 static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
 {
-	if (unlikely(host->ops->writeb))
-		host->ops->writeb(host, val, reg);
+	if (unlikely(host->ops->write_b))
+		host->ops->write_b(host, val, reg);
 	else
 		writeb(val, host->ioaddr + reg);
 }
 
 static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
 {
-	if (unlikely(host->ops->readl))
-		return host->ops->readl(host, reg);
+	if (unlikely(host->ops->read_l))
+		return host->ops->read_l(host, reg);
 	else
 		return readl(host->ioaddr + reg);
 }
 
 static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
 {
-	if (unlikely(host->ops->readw))
-		return host->ops->readw(host, reg);
+	if (unlikely(host->ops->read_w))
+		return host->ops->read_w(host, reg);
 	else
 		return readw(host->ioaddr + reg);
 }
 
 static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
 {
-	if (unlikely(host->ops->readb))
-		return host->ops->readb(host, reg);
+	if (unlikely(host->ops->read_b))
+		return host->ops->read_b(host, reg);
 	else
 		return readb(host->ioaddr + reg);
 }

From 70764a905785ebacc8d44fed7a12fba3db267ae6 Mon Sep 17 00:00:00 2001
From: Thomas Abraham <thomas.ab@samsung.com>
Date: Wed, 26 May 2010 14:42:04 -0700
Subject: [PATCH 3285/3638] mmc: s3c6410: add new quirk in sdhci driver and
 update ADMA descriptor build

The s3c6410 sdhci controller does not support the 'End' attribute and NOP
attribute in the same 8-Byte ADMA descriptor.  This patch adds a new quirk
to identify sdhci host contollers with such behaviour.  In addition to
this, for controllers using the new quirk, the last entry in the ADMA
descritor table is marked with the 'End' attribute (instead of using a NOP
descriptor with 'End' attribute).

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci.c | 20 +++++++++++++++-----
 drivers/mmc/host/sdhci.h |  2 ++
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 02b365f5a4b..d27cc917804 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -496,12 +496,22 @@ static int sdhci_adma_table_pre(struct sdhci_host *host,
 		WARN_ON((desc - host->adma_desc) > (128 * 2 + 1) * 4);
 	}
 
-	/*
-	 * Add a terminating entry.
-	 */
+	if (host->quirks & SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC) {
+		/*
+		* Mark the last descriptor as the terminating descriptor
+		*/
+		if (desc != host->adma_desc) {
+			desc -= 8;
+			desc[0] |= 0x2; /* end */
+		}
+	} else {
+		/*
+		* Add a terminating entry.
+		*/
 
-	/* nop, end, valid */
-	sdhci_set_adma_desc(desc, 0, 0, 0x3);
+		/* nop, end, valid */
+		sdhci_set_adma_desc(desc, 0, 0, 0x3);
+	}
 
 	/*
 	 * Resync align buffer as we might have changed it.
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index af08a1935b0..c8468134adc 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -238,6 +238,8 @@ struct sdhci_host {
 #define SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK		(1<<24)
 /* Controller reports wrong base clock capability */
 #define SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN		(1<<25)
+/* Controller cannot support End Attribute in NOP ADMA descriptor */
+#define SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC		(1<<26)
 
 	int			irq;		/* Device IRQ */
 	void __iomem *		ioaddr;		/* Mapped address */

From b2e75eff5e859d0c294e7405958362b26a423c6e Mon Sep 17 00:00:00 2001
From: Thomas Abraham <thomas.ab@samsung.com>
Date: Wed, 26 May 2010 14:42:05 -0700
Subject: [PATCH 3286/3638] mmc: s3c6410: enable ADMA feature in 6410 sdhci
 controller

Enable the ADMA feature in the 6410 SDHCI controller driver.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci-s3c.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 2136794c0cf..ad3a78edeb8 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -317,12 +317,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	host->irq = irq;
 
 	/* Setup quirks for the controller */
-
-	/* Currently with ADMA enabled we are getting some length
-	 * interrupts that are not being dealt with, do disable
-	 * ADMA until this is sorted out. */
-	host->quirks |= SDHCI_QUIRK_BROKEN_ADMA;
-	host->quirks |= SDHCI_QUIRK_32BIT_ADMA_SIZE;
+	host->quirks |= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC;
 
 #ifndef CONFIG_MMC_SDHCI_S3C_DMA
 

From 14c5aa6d3797c6b3d09193a8423472847f738526 Mon Sep 17 00:00:00 2001
From: Maurus Cuelenaere <mcuelenaere@gmail.com>
Date: Wed, 26 May 2010 14:42:05 -0700
Subject: [PATCH 3287/3638] sdhci: enable multiblock transfers in sdhci-s3c

Wifi over SDIO doesn't work correctly without multiblock, so enable this.
This patch depends on the following patches:

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci-s3c.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index ad3a78edeb8..af217924a76 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -325,9 +325,6 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	 * support as well. */
 	host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
 
-	/* PIO currently has problems with multi-block IO */
-	host->quirks |= SDHCI_QUIRK_NO_MULTIBLOCK;
-
 #endif /* CONFIG_MMC_SDHCI_S3C_DMA */
 
 	/* It seems we do not get an DATA transfer complete on non-busy

From b417577d3b9bbb06a4ddc9aa955af9bd503f7242 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@nokia.com>
Date: Wed, 26 May 2010 14:42:06 -0700
Subject: [PATCH 3288/3638] omap_hsmmc: improve interrupt synchronisation

The following changes were needed:
	- do not use in_interrupt() because it will not work
	with threaded interrupts

In addition, the following improvements were made:
	- ensure DMA is unmapped only after the final DMA interrupt
	- ensure a request is completed only after the final DMA interrupt
	- disable controller interrupts when a request is not in progress
	- remove the spin-lock protecting the start of a new request from
	an unexpected interrupt because the locking was complicated and
	a 'req_in_progress' flag suffices (since the spin-lock only defers
	the unexpected interrupts anyway)
	- instead use the spin-lock to protect the MMC interrupt handler
	from the DMA interrupt handler
	- remove the semaphore preventing DMA from being started while
	the previous DMA is still in progress - the other changes make that
	impossible, so it is now a BUG_ON condition
	- ensure the controller interrupt status is clear before exiting
	the interrrupt handler

In general, these changes make the code safer but do not fix any specific
bugs so backporting is not necessary.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Tested-by: Venkatraman S <svenkatr@ti.com>
Acked-by: Madhusudhan Chikkature <madhu.cr@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/omap_hsmmc.c | 260 +++++++++++++++++-----------------
 1 file changed, 133 insertions(+), 127 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index e9caf694c59..c9401efd113 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -157,12 +157,10 @@ struct omap_hsmmc_host {
 	 */
 	struct	regulator	*vcc;
 	struct	regulator	*vcc_aux;
-	struct	semaphore	sem;
 	struct	work_struct	mmc_carddetect_work;
 	void	__iomem		*base;
 	resource_size_t		mapbase;
 	spinlock_t		irq_lock; /* Prevent races with irq handler */
-	unsigned long		flags;
 	unsigned int		id;
 	unsigned int		dma_len;
 	unsigned int		dma_sg_idx;
@@ -183,6 +181,7 @@ struct omap_hsmmc_host {
 	int			protect_card;
 	int			reqs_blocked;
 	int			use_reg;
+	int			req_in_progress;
 
 	struct	omap_mmc_platform_data	*pdata;
 };
@@ -524,6 +523,27 @@ static void omap_hsmmc_stop_clock(struct omap_hsmmc_host *host)
 		dev_dbg(mmc_dev(host->mmc), "MMC Clock is not stoped\n");
 }
 
+static void omap_hsmmc_enable_irq(struct omap_hsmmc_host *host)
+{
+	unsigned int irq_mask;
+
+	if (host->use_dma)
+		irq_mask = INT_EN_MASK & ~(BRR_ENABLE | BWR_ENABLE);
+	else
+		irq_mask = INT_EN_MASK;
+
+	OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
+	OMAP_HSMMC_WRITE(host->base, ISE, irq_mask);
+	OMAP_HSMMC_WRITE(host->base, IE, irq_mask);
+}
+
+static void omap_hsmmc_disable_irq(struct omap_hsmmc_host *host)
+{
+	OMAP_HSMMC_WRITE(host->base, ISE, 0);
+	OMAP_HSMMC_WRITE(host->base, IE, 0);
+	OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
+}
+
 #ifdef CONFIG_PM
 
 /*
@@ -592,9 +612,7 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
 		&& time_before(jiffies, timeout))
 		;
 
-	OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
-	OMAP_HSMMC_WRITE(host->base, ISE, INT_EN_MASK);
-	OMAP_HSMMC_WRITE(host->base, IE, INT_EN_MASK);
+	omap_hsmmc_disable_irq(host);
 
 	/* Do not initialize card-specific things if the power is off */
 	if (host->power_mode == MMC_POWER_OFF)
@@ -697,6 +715,8 @@ static void send_init_stream(struct omap_hsmmc_host *host)
 		return;
 
 	disable_irq(host->irq);
+
+	OMAP_HSMMC_WRITE(host->base, IE, INT_EN_MASK);
 	OMAP_HSMMC_WRITE(host->base, CON,
 		OMAP_HSMMC_READ(host->base, CON) | INIT_STREAM);
 	OMAP_HSMMC_WRITE(host->base, CMD, INIT_STREAM_CMD);
@@ -762,17 +782,7 @@ omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd,
 		mmc_hostname(host->mmc), cmd->opcode, cmd->arg);
 	host->cmd = cmd;
 
-	/*
-	 * Clear status bits and enable interrupts
-	 */
-	OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
-	OMAP_HSMMC_WRITE(host->base, ISE, INT_EN_MASK);
-
-	if (host->use_dma)
-		OMAP_HSMMC_WRITE(host->base, IE,
-				 INT_EN_MASK & ~(BRR_ENABLE | BWR_ENABLE));
-	else
-		OMAP_HSMMC_WRITE(host->base, IE, INT_EN_MASK);
+	omap_hsmmc_enable_irq(host);
 
 	host->response_busy = 0;
 	if (cmd->flags & MMC_RSP_PRESENT) {
@@ -806,13 +816,7 @@ omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd,
 	if (host->use_dma)
 		cmdreg |= DMA_EN;
 
-	/*
-	 * In an interrupt context (i.e. STOP command), the spinlock is unlocked
-	 * by the interrupt handler, otherwise (i.e. for a new request) it is
-	 * unlocked here.
-	 */
-	if (!in_interrupt())
-		spin_unlock_irqrestore(&host->irq_lock, host->flags);
+	host->req_in_progress = 1;
 
 	OMAP_HSMMC_WRITE(host->base, ARG, cmd->arg);
 	OMAP_HSMMC_WRITE(host->base, CMD, cmdreg);
@@ -827,6 +831,23 @@ omap_hsmmc_get_dma_dir(struct omap_hsmmc_host *host, struct mmc_data *data)
 		return DMA_FROM_DEVICE;
 }
 
+static void omap_hsmmc_request_done(struct omap_hsmmc_host *host, struct mmc_request *mrq)
+{
+	int dma_ch;
+
+	spin_lock(&host->irq_lock);
+	host->req_in_progress = 0;
+	dma_ch = host->dma_ch;
+	spin_unlock(&host->irq_lock);
+
+	omap_hsmmc_disable_irq(host);
+	/* Do not complete the request if DMA is still in progress */
+	if (mrq->data && host->use_dma && dma_ch != -1)
+		return;
+	host->mrq = NULL;
+	mmc_request_done(host->mmc, mrq);
+}
+
 /*
  * Notify the transfer complete to MMC core
  */
@@ -843,25 +864,19 @@ omap_hsmmc_xfer_done(struct omap_hsmmc_host *host, struct mmc_data *data)
 			return;
 		}
 
-		host->mrq = NULL;
-		mmc_request_done(host->mmc, mrq);
+		omap_hsmmc_request_done(host, mrq);
 		return;
 	}
 
 	host->data = NULL;
 
-	if (host->use_dma && host->dma_ch != -1)
-		dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len,
-			omap_hsmmc_get_dma_dir(host, data));
-
 	if (!data->error)
 		data->bytes_xfered += data->blocks * (data->blksz);
 	else
 		data->bytes_xfered = 0;
 
 	if (!data->stop) {
-		host->mrq = NULL;
-		mmc_request_done(host->mmc, data->mrq);
+		omap_hsmmc_request_done(host, data->mrq);
 		return;
 	}
 	omap_hsmmc_start_command(host, data->stop, NULL);
@@ -887,10 +902,8 @@ omap_hsmmc_cmd_done(struct omap_hsmmc_host *host, struct mmc_command *cmd)
 			cmd->resp[0] = OMAP_HSMMC_READ(host->base, RSP10);
 		}
 	}
-	if ((host->data == NULL && !host->response_busy) || cmd->error) {
-		host->mrq = NULL;
-		mmc_request_done(host->mmc, cmd->mrq);
-	}
+	if ((host->data == NULL && !host->response_busy) || cmd->error)
+		omap_hsmmc_request_done(host, cmd->mrq);
 }
 
 /*
@@ -898,14 +911,19 @@ omap_hsmmc_cmd_done(struct omap_hsmmc_host *host, struct mmc_command *cmd)
  */
 static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
 {
+	int dma_ch;
+
 	host->data->error = errno;
 
-	if (host->use_dma && host->dma_ch != -1) {
+	spin_lock(&host->irq_lock);
+	dma_ch = host->dma_ch;
+	host->dma_ch = -1;
+	spin_unlock(&host->irq_lock);
+
+	if (host->use_dma && dma_ch != -1) {
 		dma_unmap_sg(mmc_dev(host->mmc), host->data->sg, host->dma_len,
 			omap_hsmmc_get_dma_dir(host, host->data));
-		omap_free_dma(host->dma_ch);
-		host->dma_ch = -1;
-		up(&host->sem);
+		omap_free_dma(dma_ch);
 	}
 	host->data = NULL;
 }
@@ -967,28 +985,21 @@ static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
 			__func__);
 }
 
-/*
- * MMC controller IRQ handler
- */
-static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id)
+static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status)
 {
-	struct omap_hsmmc_host *host = dev_id;
 	struct mmc_data *data;
-	int end_cmd = 0, end_trans = 0, status;
+	int end_cmd = 0, end_trans = 0;
 
-	spin_lock(&host->irq_lock);
-
-	if (host->mrq == NULL) {
-		OMAP_HSMMC_WRITE(host->base, STAT,
-			OMAP_HSMMC_READ(host->base, STAT));
-		/* Flush posted write */
-		OMAP_HSMMC_READ(host->base, STAT);
-		spin_unlock(&host->irq_lock);
-		return IRQ_HANDLED;
+	if (!host->req_in_progress) {
+		do {
+			OMAP_HSMMC_WRITE(host->base, STAT, status);
+			/* Flush posted write */
+			status = OMAP_HSMMC_READ(host->base, STAT);
+		} while (status & INT_EN_MASK);
+		return;
 	}
 
 	data = host->data;
-	status = OMAP_HSMMC_READ(host->base, STAT);
 	dev_dbg(mmc_dev(host->mmc), "IRQ Status is %x\n", status);
 
 	if (status & ERR) {
@@ -1041,15 +1052,27 @@ static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id)
 	}
 
 	OMAP_HSMMC_WRITE(host->base, STAT, status);
-	/* Flush posted write */
-	OMAP_HSMMC_READ(host->base, STAT);
 
 	if (end_cmd || ((status & CC) && host->cmd))
 		omap_hsmmc_cmd_done(host, host->cmd);
 	if ((end_trans || (status & TC)) && host->mrq)
 		omap_hsmmc_xfer_done(host, data);
+}
 
-	spin_unlock(&host->irq_lock);
+/*
+ * MMC controller IRQ handler
+ */
+static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id)
+{
+	struct omap_hsmmc_host *host = dev_id;
+	int status;
+
+	status = OMAP_HSMMC_READ(host->base, STAT);
+	do {
+		omap_hsmmc_do_irq(host, status);
+		/* Flush posted write */
+		status = OMAP_HSMMC_READ(host->base, STAT);
+	} while (status & INT_EN_MASK);
 
 	return IRQ_HANDLED;
 }
@@ -1244,31 +1267,47 @@ static void omap_hsmmc_config_dma_params(struct omap_hsmmc_host *host,
 /*
  * DMA call back function
  */
-static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *data)
+static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data)
 {
-	struct omap_hsmmc_host *host = data;
+	struct omap_hsmmc_host *host = cb_data;
+	struct mmc_data *data = host->mrq->data;
+	int dma_ch, req_in_progress;
 
 	if (ch_status & OMAP2_DMA_MISALIGNED_ERR_IRQ)
 		dev_dbg(mmc_dev(host->mmc), "MISALIGNED_ADRS_ERR\n");
 
-	if (host->dma_ch < 0)
+	spin_lock(&host->irq_lock);
+	if (host->dma_ch < 0) {
+		spin_unlock(&host->irq_lock);
 		return;
+	}
 
 	host->dma_sg_idx++;
 	if (host->dma_sg_idx < host->dma_len) {
 		/* Fire up the next transfer. */
-		omap_hsmmc_config_dma_params(host, host->data,
-					   host->data->sg + host->dma_sg_idx);
+		omap_hsmmc_config_dma_params(host, data,
+					   data->sg + host->dma_sg_idx);
+		spin_unlock(&host->irq_lock);
 		return;
 	}
 
-	omap_free_dma(host->dma_ch);
+	dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len,
+		omap_hsmmc_get_dma_dir(host, data));
+
+	req_in_progress = host->req_in_progress;
+	dma_ch = host->dma_ch;
 	host->dma_ch = -1;
-	/*
-	 * DMA Callback: run in interrupt context.
-	 * mutex_unlock will throw a kernel warning if used.
-	 */
-	up(&host->sem);
+	spin_unlock(&host->irq_lock);
+
+	omap_free_dma(dma_ch);
+
+	/* If DMA has finished after TC, complete the request */
+	if (!req_in_progress) {
+		struct mmc_request *mrq = host->mrq;
+
+		host->mrq = NULL;
+		mmc_request_done(host->mmc, mrq);
+	}
 }
 
 /*
@@ -1277,7 +1316,7 @@ static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *data)
 static int omap_hsmmc_start_dma_transfer(struct omap_hsmmc_host *host,
 					struct mmc_request *req)
 {
-	int dma_ch = 0, ret = 0, err = 1, i;
+	int dma_ch = 0, ret = 0, i;
 	struct mmc_data *data = req->data;
 
 	/* Sanity check: all the SG entries must be aligned by block size. */
@@ -1294,23 +1333,7 @@ static int omap_hsmmc_start_dma_transfer(struct omap_hsmmc_host *host,
 		 */
 		return -EINVAL;
 
-	/*
-	 * If for some reason the DMA transfer is still active,
-	 * we wait for timeout period and free the dma
-	 */
-	if (host->dma_ch != -1) {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(100);
-		if (down_trylock(&host->sem)) {
-			omap_free_dma(host->dma_ch);
-			host->dma_ch = -1;
-			up(&host->sem);
-			return err;
-		}
-	} else {
-		if (down_trylock(&host->sem))
-			return err;
-	}
+	BUG_ON(host->dma_ch != -1);
 
 	ret = omap_request_dma(omap_hsmmc_get_dma_sync_dev(host, data),
 			       "MMC/SD", omap_hsmmc_dma_cb, host, &dma_ch);
@@ -1410,37 +1433,27 @@ static void omap_hsmmc_request(struct mmc_host *mmc, struct mmc_request *req)
 	struct omap_hsmmc_host *host = mmc_priv(mmc);
 	int err;
 
-	/*
-	 * Prevent races with the interrupt handler because of unexpected
-	 * interrupts, but not if we are already in interrupt context i.e.
-	 * retries.
-	 */
-	if (!in_interrupt()) {
-		spin_lock_irqsave(&host->irq_lock, host->flags);
-		/*
-		 * Protect the card from I/O if there is a possibility
-		 * it can be removed.
-		 */
-		if (host->protect_card) {
-			if (host->reqs_blocked < 3) {
-				/*
-				 * Ensure the controller is left in a consistent
-				 * state by resetting the command and data state
-				 * machines.
-				 */
-				omap_hsmmc_reset_controller_fsm(host, SRD);
-				omap_hsmmc_reset_controller_fsm(host, SRC);
-				host->reqs_blocked += 1;
-			}
-			req->cmd->error = -EBADF;
-			if (req->data)
-				req->data->error = -EBADF;
-			spin_unlock_irqrestore(&host->irq_lock, host->flags);
-			mmc_request_done(mmc, req);
-			return;
-		} else if (host->reqs_blocked)
-			host->reqs_blocked = 0;
-	}
+	BUG_ON(host->req_in_progress);
+	BUG_ON(host->dma_ch != -1);
+	if (host->protect_card) {
+		if (host->reqs_blocked < 3) {
+			/*
+			 * Ensure the controller is left in a consistent
+			 * state by resetting the command and data state
+			 * machines.
+			 */
+			omap_hsmmc_reset_controller_fsm(host, SRD);
+			omap_hsmmc_reset_controller_fsm(host, SRC);
+			host->reqs_blocked += 1;
+		}
+		req->cmd->error = -EBADF;
+		if (req->data)
+			req->data->error = -EBADF;
+		req->cmd->retries = 0;
+		mmc_request_done(mmc, req);
+		return;
+	} else if (host->reqs_blocked)
+		host->reqs_blocked = 0;
 	WARN_ON(host->mrq != NULL);
 	host->mrq = req;
 	err = omap_hsmmc_prepare_data(host, req);
@@ -1449,8 +1462,6 @@ static void omap_hsmmc_request(struct mmc_host *mmc, struct mmc_request *req)
 		if (req->data)
 			req->data->error = err;
 		host->mrq = NULL;
-		if (!in_interrupt())
-			spin_unlock_irqrestore(&host->irq_lock, host->flags);
 		mmc_request_done(mmc, req);
 		return;
 	}
@@ -2019,7 +2030,6 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
 	mmc->f_min	= 400000;
 	mmc->f_max	= 52000000;
 
-	sema_init(&host->sem, 1);
 	spin_lock_init(&host->irq_lock);
 
 	host->iclk = clk_get(&pdev->dev, "ick");
@@ -2162,8 +2172,7 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
 		}
 	}
 
-	OMAP_HSMMC_WRITE(host->base, ISE, INT_EN_MASK);
-	OMAP_HSMMC_WRITE(host->base, IE, INT_EN_MASK);
+	omap_hsmmc_disable_irq(host);
 
 	mmc_host_lazy_disable(host->mmc);
 
@@ -2283,10 +2292,7 @@ static int omap_hsmmc_suspend(struct platform_device *pdev, pm_message_t state)
 		mmc_host_enable(host->mmc);
 		ret = mmc_suspend_host(host->mmc, state);
 		if (ret == 0) {
-			OMAP_HSMMC_WRITE(host->base, ISE, 0);
-			OMAP_HSMMC_WRITE(host->base, IE, 0);
-
-
+			omap_hsmmc_disable_irq(host);
 			OMAP_HSMMC_WRITE(host->base, HCTL,
 				OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
 			mmc_host_disable(host->mmc);

From a791daa15305e7e549a418ef0ae6bc4b4580066e Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Wed, 26 May 2010 14:42:07 -0700
Subject: [PATCH 3289/3638] mmc: OMAP HS-MMC: convert to dev_pm_ops

Convert PM operations to use dev_pm_ops.  This will facilitate the runtime
PM coversion which will add to dev_pm_ops hooks.

Note that dev_pm_ops version of the suspend hook no longer takes a 'state'
argument.  However, the MMC core function mmc_suspend_host() still takes a
'state' argument, but it is unused, so a dummy state variable was created
to pass to the MMC core.

In the future, the MMC core should be converted to drop this state
argument and the rest of the MMC drivers could be easily converted to
dev_pm_ops as well.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Matt Fleming <matt@console-pimps.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Denis Karpov <ext-denis.2.karpov@nokia.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/omap_hsmmc.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index c9401efd113..d25b19b3ca2 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2267,10 +2267,12 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int omap_hsmmc_suspend(struct platform_device *pdev, pm_message_t state)
+static int omap_hsmmc_suspend(struct device *dev)
 {
 	int ret = 0;
+	struct platform_device *pdev = to_platform_device(dev);
 	struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
+	pm_message_t state = PMSG_SUSPEND; /* unused by MMC core */
 
 	if (host && host->suspended)
 		return 0;
@@ -2316,9 +2318,10 @@ static int omap_hsmmc_suspend(struct platform_device *pdev, pm_message_t state)
 }
 
 /* Routine to resume the MMC device */
-static int omap_hsmmc_resume(struct platform_device *pdev)
+static int omap_hsmmc_resume(struct device *dev)
 {
 	int ret = 0;
+	struct platform_device *pdev = to_platform_device(dev);
 	struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
 
 	if (host && !host->suspended)
@@ -2369,13 +2372,17 @@ clk_en_err:
 #define omap_hsmmc_resume		NULL
 #endif
 
-static struct platform_driver omap_hsmmc_driver = {
-	.remove		= omap_hsmmc_remove,
+static struct dev_pm_ops omap_hsmmc_dev_pm_ops = {
 	.suspend	= omap_hsmmc_suspend,
 	.resume		= omap_hsmmc_resume,
+};
+
+static struct platform_driver omap_hsmmc_driver = {
+	.remove		= omap_hsmmc_remove,
 	.driver		= {
 		.name = DRIVER_NAME,
 		.owner = THIS_MODULE,
+		.pm = &omap_hsmmc_dev_pm_ops,
 	},
 };
 

From 1a13f8fa76c880be41d6b1e6a2b44404bcbfdf9e Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Wed, 26 May 2010 14:42:08 -0700
Subject: [PATCH 3290/3638] mmc: remove the "state" argument to
 mmc_suspend_host()

Even though many mmc host drivers pass a pm_message_t argument to
mmc_suspend_host() that argument isn't used the by MMC core.  As host
drivers are converted to dev_pm_ops they'll have to construct
pm_message_t's (as they won't be passed by the PM subsystem any more) just
to appease the mmc suspend interface.

We might as well just delete the unused paramter.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl>ZZ
Acked-by: Sascha Sommer <saschasommer@freenet.de>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/core/core.c          | 3 +--
 drivers/mmc/host/at91_mci.c      | 2 +-
 drivers/mmc/host/au1xmmc.c       | 2 +-
 drivers/mmc/host/bfin_sdh.c      | 2 +-
 drivers/mmc/host/cb710-mmc.c     | 2 +-
 drivers/mmc/host/davinci_mmc.c   | 3 +--
 drivers/mmc/host/imxmmc.c        | 2 +-
 drivers/mmc/host/mmci.c          | 2 +-
 drivers/mmc/host/msm_sdcc.c      | 2 +-
 drivers/mmc/host/mvsdio.c        | 2 +-
 drivers/mmc/host/mxcmmc.c        | 2 +-
 drivers/mmc/host/omap.c          | 2 +-
 drivers/mmc/host/omap_hsmmc.c    | 2 +-
 drivers/mmc/host/pxamci.c        | 2 +-
 drivers/mmc/host/s3cmci.c        | 3 +--
 drivers/mmc/host/sdhci-of-core.c | 2 +-
 drivers/mmc/host/sdhci.c         | 2 +-
 drivers/mmc/host/sdricoh_cs.c    | 2 +-
 drivers/mmc/host/tifm_sd.c       | 2 +-
 drivers/mmc/host/tmio_mmc.c      | 2 +-
 drivers/mmc/host/via-sdmmc.c     | 2 +-
 drivers/mmc/host/wbsd.c          | 2 +-
 include/linux/mmc/host.h         | 2 +-
 23 files changed, 23 insertions(+), 26 deletions(-)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 3168ebd616b..569e94da844 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1252,9 +1252,8 @@ EXPORT_SYMBOL(mmc_card_can_sleep);
 /**
  *	mmc_suspend_host - suspend a host
  *	@host: mmc host
- *	@state: suspend mode (PM_SUSPEND_xxx)
  */
-int mmc_suspend_host(struct mmc_host *host, pm_message_t state)
+int mmc_suspend_host(struct mmc_host *host)
 {
 	int err = 0;
 
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 336d9f553f3..5f3a599ead0 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -1157,7 +1157,7 @@ static int at91_mci_suspend(struct platform_device *pdev, pm_message_t state)
 		enable_irq_wake(host->board->det_pin);
 
 	if (mmc)
-		ret = mmc_suspend_host(mmc, state);
+		ret = mmc_suspend_host(mmc);
 
 	return ret;
 }
diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c
index f5834449400..c8da5d30a86 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -1142,7 +1142,7 @@ static int au1xmmc_suspend(struct platform_device *pdev, pm_message_t state)
 	struct au1xmmc_host *host = platform_get_drvdata(pdev);
 	int ret;
 
-	ret = mmc_suspend_host(host->mmc, state);
+	ret = mmc_suspend_host(host->mmc);
 	if (ret)
 		return ret;
 
diff --git a/drivers/mmc/host/bfin_sdh.c b/drivers/mmc/host/bfin_sdh.c
index 6919e844072..4b0e677d729 100644
--- a/drivers/mmc/host/bfin_sdh.c
+++ b/drivers/mmc/host/bfin_sdh.c
@@ -576,7 +576,7 @@ static int sdh_suspend(struct platform_device *dev, pm_message_t state)
 	int ret = 0;
 
 	if (mmc)
-		ret = mmc_suspend_host(mmc, state);
+		ret = mmc_suspend_host(mmc);
 
 	bfin_write_SDH_PWR_CTL(bfin_read_SDH_PWR_CTL() & ~PWR_ON);
 	peripheral_free_list(drv_data->pin_req);
diff --git a/drivers/mmc/host/cb710-mmc.c b/drivers/mmc/host/cb710-mmc.c
index 92a324f7417..ca3bdc83190 100644
--- a/drivers/mmc/host/cb710-mmc.c
+++ b/drivers/mmc/host/cb710-mmc.c
@@ -675,7 +675,7 @@ static int cb710_mmc_suspend(struct platform_device *pdev, pm_message_t state)
 	struct mmc_host *mmc = cb710_slot_to_mmc(slot);
 	int err;
 
-	err = mmc_suspend_host(mmc, state);
+	err = mmc_suspend_host(mmc);
 	if (err)
 		return err;
 
diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index aae39125b8d..33d9f1b0086 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -1337,11 +1337,10 @@ static int davinci_mmcsd_suspend(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct mmc_davinci_host *host = platform_get_drvdata(pdev);
-	struct pm_message msg = { PM_EVENT_SUSPEND };
 	int ret;
 
 	mmc_host_enable(host->mmc);
-	ret = mmc_suspend_host(host->mmc, msg);
+	ret = mmc_suspend_host(host->mmc);
 	if (!ret) {
 		writel(0, host->base + DAVINCI_MMCIM);
 		mmc_davinci_reset_ctrl(host, 1);
diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c
index bf98d7cc928..9a68ff4353a 100644
--- a/drivers/mmc/host/imxmmc.c
+++ b/drivers/mmc/host/imxmmc.c
@@ -1115,7 +1115,7 @@ static int imxmci_suspend(struct platform_device *dev, pm_message_t state)
 	int ret = 0;
 
 	if (mmc)
-		ret = mmc_suspend_host(mmc, state);
+		ret = mmc_suspend_host(mmc);
 
 	return ret;
 }
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index ff115d92088..4917af96bae 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -824,7 +824,7 @@ static int mmci_suspend(struct amba_device *dev, pm_message_t state)
 	if (mmc) {
 		struct mmci_host *host = mmc_priv(mmc);
 
-		ret = mmc_suspend_host(mmc, state);
+		ret = mmc_suspend_host(mmc);
 		if (ret == 0)
 			writel(0, host->base + MMCIMASK0);
 	}
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 61f1d27fed3..24e09454e52 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1327,7 +1327,7 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
 			disable_irq(host->stat_irq);
 
 		if (mmc->card && mmc->card->type != MMC_TYPE_SDIO)
-			rc = mmc_suspend_host(mmc, state);
+			rc = mmc_suspend_host(mmc);
 		if (!rc)
 			msmsdcc_writel(host, 0, MMCIMASK0);
 		if (host->clks_on)
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index 34e23489811..366eefa77c5 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -865,7 +865,7 @@ static int mvsd_suspend(struct platform_device *dev, pm_message_t state)
 	int ret = 0;
 
 	if (mmc)
-		ret = mmc_suspend_host(mmc, state);
+		ret = mmc_suspend_host(mmc);
 
 	return ret;
 }
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index ec18e3b6034..d9d4a72e0ec 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -932,7 +932,7 @@ static int mxcmci_suspend(struct platform_device *dev, pm_message_t state)
 	int ret = 0;
 
 	if (mmc)
-		ret = mmc_suspend_host(mmc, state);
+		ret = mmc_suspend_host(mmc);
 
 	return ret;
 }
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 475490b1857..2b281680e32 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1561,7 +1561,7 @@ static int mmc_omap_suspend(struct platform_device *pdev, pm_message_t mesg)
 		struct mmc_omap_slot *slot;
 
 		slot = host->slots[i];
-		ret = mmc_suspend_host(slot->mmc, mesg);
+		ret = mmc_suspend_host(slot->mmc);
 		if (ret < 0) {
 			while (--i >= 0) {
 				slot = host->slots[i];
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index d25b19b3ca2..b032828c612 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2292,7 +2292,7 @@ static int omap_hsmmc_suspend(struct device *dev)
 		}
 		cancel_work_sync(&host->mmc_carddetect_work);
 		mmc_host_enable(host->mmc);
-		ret = mmc_suspend_host(host->mmc, state);
+		ret = mmc_suspend_host(host->mmc);
 		if (ret == 0) {
 			omap_hsmmc_disable_irq(host);
 			OMAP_HSMMC_WRITE(host->base, HCTL,
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index e4f00e70a74..0a4e43f3714 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -813,7 +813,7 @@ static int pxamci_suspend(struct device *dev)
 	int ret = 0;
 
 	if (mmc)
-		ret = mmc_suspend_host(mmc, PMSG_SUSPEND);
+		ret = mmc_suspend_host(mmc);
 
 	return ret;
 }
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 2fdf7689ae6..2e16e0a90a5 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -1881,9 +1881,8 @@ MODULE_DEVICE_TABLE(platform, s3cmci_driver_ids);
 static int s3cmci_suspend(struct device *dev)
 {
 	struct mmc_host *mmc = platform_get_drvdata(to_platform_device(dev));
-	struct pm_message event = { PM_EVENT_SUSPEND };
 
-	return mmc_suspend_host(mmc, event);
+	return mmc_suspend_host(mmc);
 }
 
 static int s3cmci_resume(struct device *dev)
diff --git a/drivers/mmc/host/sdhci-of-core.c b/drivers/mmc/host/sdhci-of-core.c
index 7802a543d8f..a2e9820cd42 100644
--- a/drivers/mmc/host/sdhci-of-core.c
+++ b/drivers/mmc/host/sdhci-of-core.c
@@ -89,7 +89,7 @@ static int sdhci_of_suspend(struct of_device *ofdev, pm_message_t state)
 {
 	struct sdhci_host *host = dev_get_drvdata(&ofdev->dev);
 
-	return mmc_suspend_host(host->mmc, state);
+	return mmc_suspend_host(host->mmc);
 }
 
 static int sdhci_of_resume(struct of_device *ofdev)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index d27cc917804..c6d1bd8d4ac 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1597,7 +1597,7 @@ int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state)
 
 	sdhci_disable_card_detection(host);
 
-	ret = mmc_suspend_host(host->mmc, state);
+	ret = mmc_suspend_host(host->mmc);
 	if (ret)
 		return ret;
 
diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
index cb41e9c3ac0..e7507af3856 100644
--- a/drivers/mmc/host/sdricoh_cs.c
+++ b/drivers/mmc/host/sdricoh_cs.c
@@ -519,7 +519,7 @@ static int sdricoh_pcmcia_suspend(struct pcmcia_device *link)
 {
 	struct mmc_host *mmc = link->priv;
 	dev_dbg(&link->dev, "suspend\n");
-	mmc_suspend_host(mmc, PMSG_SUSPEND);
+	mmc_suspend_host(mmc);
 	return 0;
 }
 
diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c
index 82554ddec6b..cec99958b65 100644
--- a/drivers/mmc/host/tifm_sd.c
+++ b/drivers/mmc/host/tifm_sd.c
@@ -1032,7 +1032,7 @@ static void tifm_sd_remove(struct tifm_dev *sock)
 
 static int tifm_sd_suspend(struct tifm_dev *sock, pm_message_t state)
 {
-	return mmc_suspend_host(tifm_get_drvdata(sock), state);
+	return mmc_suspend_host(tifm_get_drvdata(sock));
 }
 
 static int tifm_sd_resume(struct tifm_dev *sock)
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 883fcac2100..ee7d0a5a51c 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -768,7 +768,7 @@ static int tmio_mmc_suspend(struct platform_device *dev, pm_message_t state)
 	struct mmc_host *mmc = platform_get_drvdata(dev);
 	int ret;
 
-	ret = mmc_suspend_host(mmc, state);
+	ret = mmc_suspend_host(mmc);
 
 	/* Tell MFD core it can disable us now.*/
 	if (!ret && cell->disable)
diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index 632858a9437..19f2d72dbca 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -1280,7 +1280,7 @@ static int via_sd_suspend(struct pci_dev *pcidev, pm_message_t state)
 	via_save_pcictrlreg(host);
 	via_save_sdcreg(host);
 
-	ret = mmc_suspend_host(host->mmc, state);
+	ret = mmc_suspend_host(host->mmc);
 
 	pci_save_state(pcidev);
 	pci_enable_wake(pcidev, pci_choose_state(pcidev, state), 0);
diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
index 69efe01eece..0012f5d13d2 100644
--- a/drivers/mmc/host/wbsd.c
+++ b/drivers/mmc/host/wbsd.c
@@ -1819,7 +1819,7 @@ static int wbsd_suspend(struct wbsd_host *host, pm_message_t state)
 {
 	BUG_ON(host == NULL);
 
-	return mmc_suspend_host(host->mmc, state);
+	return mmc_suspend_host(host->mmc);
 }
 
 static int wbsd_resume(struct wbsd_host *host)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 3196c84cc63..f65913c9f5a 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -230,7 +230,7 @@ static inline void *mmc_priv(struct mmc_host *host)
 #define mmc_classdev(x)	(&(x)->class_dev)
 #define mmc_hostname(x)	(dev_name(&(x)->class_dev))
 
-extern int mmc_suspend_host(struct mmc_host *, pm_message_t);
+extern int mmc_suspend_host(struct mmc_host *);
 extern int mmc_resume_host(struct mmc_host *);
 
 extern void mmc_power_save_host(struct mmc_host *host);

From 6c1f716e8154ee9315534782b9b1eedea0559a24 Mon Sep 17 00:00:00 2001
From: Grazvydas Ignotas <notasas@gmail.com>
Date: Wed, 26 May 2010 14:42:09 -0700
Subject: [PATCH 3291/3638] sdio: add new function for RAW (Read after Write)
 operation

SDIO specification allows RAW (Read after Write) operation using
IO_RW_DIRECT command (CMD52) by setting the RAW bit.  This operation is
similar to ordinary read/write commands, except that both write and read
are performed using single command/response pair.  The Linux SDIO layer
already supports this internaly, only external function is missing for
drivers to make use, which is added by this patch.

This type of command is required to implement proper power save mode
support in wl1251 wifi driver.

Android has similar patch for G1 in it's tree for the same reason:

http://android.git.kernel.org/?p=kernel/common.git;a=commitdiff;h=74a47786f6ecbe6c1cf9fb15efe6a968451deb52

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Kalle Valo <kalle.valo@iki.fi>
Cc: Dmitry Shmidt <dimitrysh@google.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/core/sdio_io.c    | 30 ++++++++++++++++++++++++++++++
 include/linux/mmc/sdio_func.h |  3 +++
 2 files changed, 33 insertions(+)

diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c
index ff27c8c7135..0f687cdeb06 100644
--- a/drivers/mmc/core/sdio_io.c
+++ b/drivers/mmc/core/sdio_io.c
@@ -405,6 +405,36 @@ void sdio_writeb(struct sdio_func *func, u8 b, unsigned int addr, int *err_ret)
 }
 EXPORT_SYMBOL_GPL(sdio_writeb);
 
+/**
+ *	sdio_writeb_readb - write and read a byte from SDIO function
+ *	@func: SDIO function to access
+ *	@write_byte: byte to write
+ *	@addr: address to write to
+ *	@err_ret: optional status value from transfer
+ *
+ *	Performs a RAW (Read after Write) operation as defined by SDIO spec -
+ *	single byte is written to address space of a given SDIO function and
+ *	response is read back from the same address, both using single request.
+ *	If there is a problem with the operation, 0xff is returned and
+ *	@err_ret will contain the error code.
+ */
+u8 sdio_writeb_readb(struct sdio_func *func, u8 write_byte,
+	unsigned int addr, int *err_ret)
+{
+	int ret;
+	u8 val;
+
+	ret = mmc_io_rw_direct(func->card, 1, func->num, addr,
+			write_byte, &val);
+	if (err_ret)
+		*err_ret = ret;
+	if (ret)
+		val = 0xff;
+
+	return val;
+}
+EXPORT_SYMBOL_GPL(sdio_writeb_readb);
+
 /**
  *	sdio_memcpy_fromio - read a chunk of memory from a SDIO function
  *	@func: SDIO function to access
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index c6c0cceba5f..31baaf82f45 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -145,6 +145,9 @@ extern void sdio_writew(struct sdio_func *func, u16 b,
 extern void sdio_writel(struct sdio_func *func, u32 b,
 	unsigned int addr, int *err_ret);
 
+extern u8 sdio_writeb_readb(struct sdio_func *func, u8 write_byte,
+	unsigned int addr, int *err_ret);
+
 extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,
 	void *src, int count);
 extern int sdio_writesb(struct sdio_func *func, unsigned int addr,

From c63b3cba4f47ef9f4b3f952b4f923cf341d250ac Mon Sep 17 00:00:00 2001
From: Viresh KUMAR <viresh.kumar@st.com>
Date: Wed, 26 May 2010 14:42:10 -0700
Subject: [PATCH 3292/3638] sdhci-spear: ST SPEAr based SDHCI controller glue

Add a glue layer to support the sdhci driver on the ST SPEAr platform.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Cc: <shiraz.hashim@st.com>
Cc: Linus Walleij <linus.ml.walleij@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 MAINTAINERS                     |   6 +
 drivers/mmc/host/Kconfig        |  12 ++
 drivers/mmc/host/Makefile       |   1 +
 drivers/mmc/host/sdhci-spear.c  | 298 ++++++++++++++++++++++++++++++++
 include/linux/mmc/sdhci-spear.h |  42 +++++
 5 files changed, 359 insertions(+)
 create mode 100644 drivers/mmc/host/sdhci-spear.c
 create mode 100644 include/linux/mmc/sdhci-spear.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 18355cc1ce2..8b7eba2de60 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5004,6 +5004,12 @@ L:	linux-mmc@vger.kernel.org
 S:	Maintained
 F:	drivers/mmc/host/sdhci-s3c.c
 
+SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER
+M:	Viresh Kumar <viresh.kumar@st.com>
+L:	linux-mmc@vger.kernel.org
+S:	Maintained
+F:	drivers/mmc/host/sdhci-spear.c
+
 SECURITY SUBSYSTEM
 M:	James Morris <jmorris@namei.org>
 L:	linux-security-module@vger.kernel.org (suggested Cc:)
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index aeecbc932fb..e171e77f612 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -136,6 +136,18 @@ config MMC_SDHCI_S3C
 
 	  If unsure, say N.
 
+config MMC_SDHCI_SPEAR
+	tristate "SDHCI support on ST SPEAr platform"
+	depends on MMC_SDHCI && PLAT_SPEAR
+	help
+	  This selects the Secure Digital Host Controller Interface (SDHCI)
+	  often referrered to as the HSMMC block in some of the ST SPEAR range
+	  of SoC
+
+	  If you have a controller with this interface, say Y or M here.
+
+	  If unsure, say N.
+
 config MMC_SDHCI_S3C_DMA
 	bool "DMA support on S3C SDHCI"
 	depends on MMC_SDHCI_S3C && EXPERIMENTAL
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 2447b66afeb..e30c2ee4889 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_MMC_SDHCI)		+= sdhci.o
 obj-$(CONFIG_MMC_SDHCI_PCI)	+= sdhci-pci.o
 obj-$(CONFIG_MMC_SDHCI_PLTFM)	+= sdhci-pltfm.o
 obj-$(CONFIG_MMC_SDHCI_S3C)	+= sdhci-s3c.o
+obj-$(CONFIG_MMC_SDHCI_SPEAR)	+= sdhci-spear.o
 obj-$(CONFIG_MMC_WBSD)		+= wbsd.o
 obj-$(CONFIG_MMC_AU1X)		+= au1xmmc.o
 obj-$(CONFIG_MMC_OMAP)		+= omap.o
diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c
new file mode 100644
index 00000000000..d70c54c7b70
--- /dev/null
+++ b/drivers/mmc/host/sdhci-spear.c
@@ -0,0 +1,298 @@
+/*
+ * drivers/mmc/host/sdhci-spear.c
+ *
+ * Support of SDHCI platform devices for spear soc family
+ *
+ * Copyright (C) 2010 ST Microelectronics
+ * Viresh Kumar<viresh.kumar@st.com>
+ *
+ * Inspired by sdhci-pltfm.c
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/highmem.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sdhci-spear.h>
+#include <linux/io.h>
+#include "sdhci.h"
+
+struct spear_sdhci {
+	struct clk *clk;
+	struct sdhci_plat_data *data;
+};
+
+/* sdhci ops */
+static struct sdhci_ops sdhci_pltfm_ops = {
+	/* Nothing to do for now. */
+};
+
+/* gpio card detection interrupt handler */
+static irqreturn_t sdhci_gpio_irq(int irq, void *dev_id)
+{
+	struct platform_device *pdev = dev_id;
+	struct sdhci_host *host = platform_get_drvdata(pdev);
+	struct spear_sdhci *sdhci = dev_get_platdata(&pdev->dev);
+	unsigned long gpio_irq_type;
+	int val;
+
+	val = gpio_get_value(sdhci->data->card_int_gpio);
+
+	/* val == 1 -> card removed, val == 0 -> card inserted */
+	/* if card removed - set irq for low level, else vice versa */
+	gpio_irq_type = val ? IRQF_TRIGGER_LOW : IRQF_TRIGGER_HIGH;
+	set_irq_type(irq, gpio_irq_type);
+
+	if (sdhci->data->card_power_gpio >= 0) {
+		if (!sdhci->data->power_always_enb) {
+			/* if card inserted, give power, otherwise remove it */
+			val = sdhci->data->power_active_high ? !val : val ;
+			gpio_set_value(sdhci->data->card_power_gpio, val);
+		}
+	}
+
+	/* inform sdhci driver about card insertion/removal */
+	tasklet_schedule(&host->card_tasklet);
+
+	return IRQ_HANDLED;
+}
+
+static int __devinit sdhci_probe(struct platform_device *pdev)
+{
+	struct sdhci_host *host;
+	struct resource *iomem;
+	struct spear_sdhci *sdhci;
+	int ret;
+
+	BUG_ON(pdev == NULL);
+
+	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!iomem) {
+		ret = -ENOMEM;
+		dev_dbg(&pdev->dev, "memory resource not defined\n");
+		goto err;
+	}
+
+	if (!request_mem_region(iomem->start, resource_size(iomem),
+				"spear-sdhci")) {
+		ret = -EBUSY;
+		dev_dbg(&pdev->dev, "cannot request region\n");
+		goto err;
+	}
+
+	sdhci = kzalloc(sizeof(*sdhci), GFP_KERNEL);
+	if (!sdhci) {
+		ret = -ENOMEM;
+		dev_dbg(&pdev->dev, "cannot allocate memory for sdhci\n");
+		goto err_kzalloc;
+	}
+
+	/* clk enable */
+	sdhci->clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(sdhci->clk)) {
+		ret = PTR_ERR(sdhci->clk);
+		dev_dbg(&pdev->dev, "Error getting clock\n");
+		goto err_clk_get;
+	}
+
+	ret = clk_enable(sdhci->clk);
+	if (ret) {
+		dev_dbg(&pdev->dev, "Error enabling clock\n");
+		goto err_clk_enb;
+	}
+
+	/* overwrite platform_data */
+	sdhci->data = dev_get_platdata(&pdev->dev);
+	pdev->dev.platform_data = sdhci;
+
+	if (pdev->dev.parent)
+		host = sdhci_alloc_host(pdev->dev.parent, 0);
+	else
+		host = sdhci_alloc_host(&pdev->dev, 0);
+
+	if (IS_ERR(host)) {
+		ret = PTR_ERR(host);
+		dev_dbg(&pdev->dev, "error allocating host\n");
+		goto err_alloc_host;
+	}
+
+	host->hw_name = "sdhci";
+	host->ops = &sdhci_pltfm_ops;
+	host->irq = platform_get_irq(pdev, 0);
+	host->quirks = SDHCI_QUIRK_BROKEN_ADMA;
+
+	host->ioaddr = ioremap(iomem->start, resource_size(iomem));
+	if (!host->ioaddr) {
+		ret = -ENOMEM;
+		dev_dbg(&pdev->dev, "failed to remap registers\n");
+		goto err_ioremap;
+	}
+
+	ret = sdhci_add_host(host);
+	if (ret) {
+		dev_dbg(&pdev->dev, "error adding host\n");
+		goto err_add_host;
+	}
+
+	platform_set_drvdata(pdev, host);
+
+	/*
+	 * It is optional to use GPIOs for sdhci Power control & sdhci card
+	 * interrupt detection. If sdhci->data is NULL, then use original sdhci
+	 * lines otherwise GPIO lines.
+	 * If GPIO is selected for power control, then power should be disabled
+	 * after card removal and should be enabled when card insertion
+	 * interrupt occurs
+	 */
+	if (!sdhci->data)
+		return 0;
+
+	if (sdhci->data->card_power_gpio >= 0) {
+		int val = 0;
+
+		ret = gpio_request(sdhci->data->card_power_gpio, "sdhci");
+		if (ret < 0) {
+			dev_dbg(&pdev->dev, "gpio request fail: %d\n",
+					sdhci->data->card_power_gpio);
+			goto err_pgpio_request;
+		}
+
+		if (sdhci->data->power_always_enb)
+			val = sdhci->data->power_active_high;
+		else
+			val = !sdhci->data->power_active_high;
+
+		ret = gpio_direction_output(sdhci->data->card_power_gpio, val);
+		if (ret) {
+			dev_dbg(&pdev->dev, "gpio set direction fail: %d\n",
+					sdhci->data->card_power_gpio);
+			goto err_pgpio_direction;
+		}
+
+		gpio_set_value(sdhci->data->card_power_gpio, 1);
+	}
+
+	if (sdhci->data->card_int_gpio >= 0) {
+		ret = gpio_request(sdhci->data->card_int_gpio, "sdhci");
+		if (ret < 0) {
+			dev_dbg(&pdev->dev, "gpio request fail: %d\n",
+					sdhci->data->card_int_gpio);
+			goto err_igpio_request;
+		}
+
+		ret = gpio_direction_input(sdhci->data->card_int_gpio);
+		if (ret) {
+			dev_dbg(&pdev->dev, "gpio set direction fail: %d\n",
+					sdhci->data->card_int_gpio);
+			goto err_igpio_direction;
+		}
+		ret = request_irq(gpio_to_irq(sdhci->data->card_int_gpio),
+				sdhci_gpio_irq, IRQF_TRIGGER_LOW,
+				mmc_hostname(host->mmc), pdev);
+		if (ret) {
+			dev_dbg(&pdev->dev, "gpio request irq fail: %d\n",
+					sdhci->data->card_int_gpio);
+			goto err_igpio_request_irq;
+		}
+
+	}
+
+	return 0;
+
+err_igpio_request_irq:
+err_igpio_direction:
+	if (sdhci->data->card_int_gpio >= 0)
+		gpio_free(sdhci->data->card_int_gpio);
+err_igpio_request:
+err_pgpio_direction:
+	if (sdhci->data->card_power_gpio >= 0)
+		gpio_free(sdhci->data->card_power_gpio);
+err_pgpio_request:
+	platform_set_drvdata(pdev, NULL);
+	sdhci_remove_host(host, 1);
+err_add_host:
+	iounmap(host->ioaddr);
+err_ioremap:
+	sdhci_free_host(host);
+err_alloc_host:
+	clk_disable(sdhci->clk);
+err_clk_enb:
+	clk_put(sdhci->clk);
+err_clk_get:
+	kfree(sdhci);
+err_kzalloc:
+	release_mem_region(iomem->start, resource_size(iomem));
+err:
+	dev_err(&pdev->dev, "spear-sdhci probe failed: %d\n", ret);
+	return ret;
+}
+
+static int __devexit sdhci_remove(struct platform_device *pdev)
+{
+	struct sdhci_host *host = platform_get_drvdata(pdev);
+	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	struct spear_sdhci *sdhci = dev_get_platdata(&pdev->dev);
+	int dead;
+	u32 scratch;
+
+	if (sdhci->data) {
+		if (sdhci->data->card_int_gpio >= 0) {
+			free_irq(gpio_to_irq(sdhci->data->card_int_gpio), pdev);
+			gpio_free(sdhci->data->card_int_gpio);
+		}
+
+		if (sdhci->data->card_power_gpio >= 0)
+			gpio_free(sdhci->data->card_power_gpio);
+	}
+
+	platform_set_drvdata(pdev, NULL);
+	dead = 0;
+	scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
+	if (scratch == (u32)-1)
+		dead = 1;
+
+	sdhci_remove_host(host, dead);
+	iounmap(host->ioaddr);
+	sdhci_free_host(host);
+	clk_disable(sdhci->clk);
+	clk_put(sdhci->clk);
+	kfree(sdhci);
+	if (iomem)
+		release_mem_region(iomem->start, resource_size(iomem));
+
+	return 0;
+}
+
+static struct platform_driver sdhci_driver = {
+	.driver = {
+		.name	= "sdhci",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= sdhci_probe,
+	.remove		= __devexit_p(sdhci_remove),
+};
+
+static int __init sdhci_init(void)
+{
+	return platform_driver_register(&sdhci_driver);
+}
+module_init(sdhci_init);
+
+static void __exit sdhci_exit(void)
+{
+	platform_driver_unregister(&sdhci_driver);
+}
+module_exit(sdhci_exit);
+
+MODULE_DESCRIPTION("SPEAr Secure Digital Host Controller Interface driver");
+MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/mmc/sdhci-spear.h b/include/linux/mmc/sdhci-spear.h
new file mode 100644
index 00000000000..9188c973f3e
--- /dev/null
+++ b/include/linux/mmc/sdhci-spear.h
@@ -0,0 +1,42 @@
+/*
+ * include/linux/mmc/sdhci-spear.h
+ *
+ * SDHCI declarations specific to ST SPEAr platform
+ *
+ * Copyright (C) 2010 ST Microelectronics
+ * Viresh Kumar<viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef MMC_SDHCI_SPEAR_H
+#define MMC_SDHCI_SPEAR_H
+
+#include <linux/platform_device.h>
+/*
+ * struct sdhci_plat_data: spear sdhci platform data structure
+ *
+ * @card_power_gpio: gpio pin for enabling/disabling power to sdhci socket
+ * @power_active_high: if set, enable power to sdhci socket by setting
+ *			card_power_gpio
+ * @power_always_enb: If set, then enable power on probe, otherwise enable only
+ *			on card insertion and disable on card removal.
+ * card_int_gpio: gpio pin used for card detection
+ */
+struct sdhci_plat_data {
+	int card_power_gpio;
+	int power_active_high;
+	int power_always_enb;
+	int card_int_gpio;
+};
+
+/* This function is used to set platform_data field of pdev->dev */
+static inline void
+sdhci_set_plat_data(struct platform_device *pdev, struct sdhci_plat_data *data)
+{
+	pdev->dev.platform_data = data;
+}
+
+#endif /* MMC_SDHCI_SPEAR_H */

From dc0fd7b56141999832a6bccda2f7e9765f0bc087 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:42:11 -0700
Subject: [PATCH 3293/3638] drivers/mmc/host: use ERR_CAST

Use ERR_CAST(x) rather than ERR_PTR(PTR_ERR(x)).  The former makes more
clear what is the purpose of the operation, which otherwise looks like a
no-op.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
T x;
identifier f;
@@

T f (...) { <+...
- ERR_PTR(PTR_ERR(x))
+ x
 ...+> }

@@
expression x;
@@

- ERR_PTR(PTR_ERR(x))
+ ERR_CAST(x)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/mmc/host/sdhci-pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 6701af629c3..65483fdea45 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -628,7 +628,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
 	host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot));
 	if (IS_ERR(host)) {
 		dev_err(&pdev->dev, "cannot allocate host\n");
-		return ERR_PTR(PTR_ERR(host));
+		return ERR_CAST(host);
 	}
 
 	slot = sdhci_priv(host);

From 9b71ca2005a93ad813b95d92578131ab899ccc5d Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:42:11 -0700
Subject: [PATCH 3294/3638] drivers/char/vt.c: use memdup_user

Use memdup_user when user data is immediately copied into the
allocated region.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = memdup_user(from,size);
   if (
-      to==NULL
+      IS_ERR(to)
                 || ...) {
   <+... when != goto l1;
-  -ENOMEM
+  PTR_ERR(to)
   ...+>
   }
-  if (copy_from_user(to, from, size) != 0) {
-    <+... when != goto l2;
-    -EFAULT
-    ...+>
-  }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/vt.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index bd1d1164fec..7cdb6ee569c 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -3967,13 +3967,9 @@ static int con_font_set(struct vc_data *vc, struct console_font_op *op)
 	font.charcount = op->charcount;
 	font.height = op->height;
 	font.width = op->width;
-	font.data = kmalloc(size, GFP_KERNEL);
-	if (!font.data)
-		return -ENOMEM;
-	if (copy_from_user(font.data, op->data, size)) {
-		kfree(font.data);
-		return -EFAULT;
-	}
+	font.data = memdup_user(op->data, size);
+	if (IS_ERR(font.data))
+		return PTR_ERR(font.data);
 	acquire_console_sem();
 	if (vc->vc_sw->con_font_set)
 		rc = vc->vc_sw->con_font_set(vc, &font, op->flags);

From b81d67a50c0f3021d170466388bec3e7fc3abe75 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:42:12 -0700
Subject: [PATCH 3295/3638] drivers/message/i2o/i2o_config.c: use memdup_user

Use memdup_user when user data is immediately copied into the
allocated region.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = memdup_user(from,size);
   if (
-      to==NULL
+      IS_ERR(to)
                 || ...) {
   <+... when != goto l1;
-  -ENOMEM
+  PTR_ERR(to)
   ...+>
   }
-  if (copy_from_user(to, from, size) != 0) {
-    <+... when != goto l2;
-    -EFAULT
-    ...+>
-  }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/message/i2o/i2o_config.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c
index d33693c1336..c4b117f5fb7 100644
--- a/drivers/message/i2o/i2o_config.c
+++ b/drivers/message/i2o/i2o_config.c
@@ -186,14 +186,9 @@ static int i2o_cfg_parms(unsigned long arg, unsigned int type)
 	if (!dev)
 		return -ENXIO;
 
-	ops = kmalloc(kcmd.oplen, GFP_KERNEL);
-	if (!ops)
-		return -ENOMEM;
-
-	if (copy_from_user(ops, kcmd.opbuf, kcmd.oplen)) {
-		kfree(ops);
-		return -EFAULT;
-	}
+	ops = memdup_user(kcmd.opbuf, kcmd.oplen);
+	if (IS_ERR(ops))
+		return PTR_ERR(ops);
 
 	/*
 	 * It's possible to have a _very_ large table

From 7ca5ca60cba37fc4d8e99583da147faed3039ad0 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:42:13 -0700
Subject: [PATCH 3296/3638] fs/autofs4: use memdup_user

Use memdup_user when user data is immediately copied into the allocated
region.  Elimination of the variable ads, which is no longer useful.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = memdup_user(from,size);
   if (
-      to==NULL
+      IS_ERR(to)
                 || ...) {
   <+... when != goto l1;
-  -ENOMEM
+  PTR_ERR(to)
   ...+>
   }
-  if (copy_from_user(to, from, size) != 0) {
-    <+... when != goto l2;
-    -EFAULT
-    ...+>
-  }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/autofs4/dev-ioctl.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index d832062869f..ba4a38b9c22 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -95,7 +95,7 @@ static int check_dev_ioctl_version(int cmd, struct autofs_dev_ioctl *param)
  */
 static struct autofs_dev_ioctl *copy_dev_ioctl(struct autofs_dev_ioctl __user *in)
 {
-	struct autofs_dev_ioctl tmp, *ads;
+	struct autofs_dev_ioctl tmp;
 
 	if (copy_from_user(&tmp, in, sizeof(tmp)))
 		return ERR_PTR(-EFAULT);
@@ -103,16 +103,7 @@ static struct autofs_dev_ioctl *copy_dev_ioctl(struct autofs_dev_ioctl __user *i
 	if (tmp.size < sizeof(tmp))
 		return ERR_PTR(-EINVAL);
 
-	ads = kmalloc(tmp.size, GFP_KERNEL);
-	if (!ads)
-		return ERR_PTR(-ENOMEM);
-
-	if (copy_from_user(ads, in, tmp.size)) {
-		kfree(ads);
-		return ERR_PTR(-EFAULT);
-	}
-
-	return ads;
+	return memdup_user(in, tmp.size);
 }
 
 static inline void free_dev_ioctl(struct autofs_dev_ioctl *param)

From 0af62f4d1eedaacf6a85e293958699540d09fa3e Mon Sep 17 00:00:00 2001
From: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Date: Wed, 26 May 2010 14:42:14 -0700
Subject: [PATCH 3297/3638] rtc: AB8500 RTC driver

Add a driver for the RTC on the AB8500 power management chip.  This is a
client of the AB8500 MFD driver.

Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/Kconfig      |   7 +
 drivers/rtc/Makefile     |   1 +
 drivers/rtc/rtc-ab8500.c | 363 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 371 insertions(+)
 create mode 100644 drivers/rtc/rtc-ab8500.c

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index f1598324344..10ba12c8c5e 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -611,6 +611,13 @@ config RTC_DRV_AB3100
 	  Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
 	  support. This chip contains a battery- and capacitor-backed RTC.
 
+config RTC_DRV_AB8500
+	tristate "ST-Ericsson AB8500 RTC"
+	depends on AB8500_CORE
+	help
+	  Select this to enable the ST-Ericsson AB8500 power management IC RTC
+	  support. This chip contains a battery- and capacitor-backed RTC.
+
 config RTC_DRV_NUC900
 	tristate "NUC910/NUC920 RTC driver"
 	depends on RTC_CLASS && ARCH_W90X900
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 245311a1348..5adbba7cf89 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -18,6 +18,7 @@ rtc-core-$(CONFIG_RTC_INTF_SYSFS) += rtc-sysfs.o
 # Keep the list ordered.
 
 obj-$(CONFIG_RTC_DRV_AB3100)	+= rtc-ab3100.o
+obj-$(CONFIG_RTC_DRV_AB8500)	+= rtc-ab8500.o
 obj-$(CONFIG_RTC_DRV_AT32AP700X)+= rtc-at32ap700x.o
 obj-$(CONFIG_RTC_DRV_AT91RM9200)+= rtc-at91rm9200.o
 obj-$(CONFIG_RTC_DRV_AT91SAM9)	+= rtc-at91sam9.o
diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c
new file mode 100644
index 00000000000..2fda03125e5
--- /dev/null
+++ b/drivers/rtc/rtc-ab8500.c
@@ -0,0 +1,363 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ * Author: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
+ *
+ * RTC clock driver for the RTC part of the AB8500 Power management chip.
+ * Based on RTC clock driver for the AB3100 Analog Baseband Chip by
+ * Linus Walleij <linus.walleij@stericsson.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+#include <linux/mfd/ab8500.h>
+#include <linux/delay.h>
+
+#define AB8500_RTC_SOFF_STAT_REG	0x0F00
+#define AB8500_RTC_CC_CONF_REG		0x0F01
+#define AB8500_RTC_READ_REQ_REG		0x0F02
+#define AB8500_RTC_WATCH_TSECMID_REG	0x0F03
+#define AB8500_RTC_WATCH_TSECHI_REG	0x0F04
+#define AB8500_RTC_WATCH_TMIN_LOW_REG	0x0F05
+#define AB8500_RTC_WATCH_TMIN_MID_REG	0x0F06
+#define AB8500_RTC_WATCH_TMIN_HI_REG	0x0F07
+#define AB8500_RTC_ALRM_MIN_LOW_REG	0x0F08
+#define AB8500_RTC_ALRM_MIN_MID_REG	0x0F09
+#define AB8500_RTC_ALRM_MIN_HI_REG	0x0F0A
+#define AB8500_RTC_STAT_REG		0x0F0B
+#define AB8500_RTC_BKUP_CHG_REG		0x0F0C
+#define AB8500_RTC_FORCE_BKUP_REG	0x0F0D
+#define AB8500_RTC_CALIB_REG		0x0F0E
+#define AB8500_RTC_SWITCH_STAT_REG	0x0F0F
+#define AB8500_REV_REG			0x1080
+
+/* RtcReadRequest bits */
+#define RTC_READ_REQUEST		0x01
+#define RTC_WRITE_REQUEST		0x02
+
+/* RtcCtrl bits */
+#define RTC_ALARM_ENA			0x04
+#define RTC_STATUS_DATA			0x01
+
+#define COUNTS_PER_SEC			(0xF000 / 60)
+#define AB8500_RTC_EPOCH		2000
+
+static const unsigned long ab8500_rtc_time_regs[] = {
+	AB8500_RTC_WATCH_TMIN_HI_REG, AB8500_RTC_WATCH_TMIN_MID_REG,
+	AB8500_RTC_WATCH_TMIN_LOW_REG, AB8500_RTC_WATCH_TSECHI_REG,
+	AB8500_RTC_WATCH_TSECMID_REG
+};
+
+static const unsigned long ab8500_rtc_alarm_regs[] = {
+	AB8500_RTC_ALRM_MIN_HI_REG, AB8500_RTC_ALRM_MIN_MID_REG,
+	AB8500_RTC_ALRM_MIN_LOW_REG
+};
+
+/* Calculate the seconds from 1970 to 01-01-2000 00:00:00 */
+static unsigned long get_elapsed_seconds(int year)
+{
+	unsigned long secs;
+	struct rtc_time tm = {
+		.tm_year = year - 1900,
+		.tm_mday = 1,
+	};
+
+	/*
+	 * This function calculates secs from 1970 and not from
+	 * 1900, even if we supply the offset from year 1900.
+	 */
+	rtc_tm_to_time(&tm, &secs);
+	return secs;
+}
+
+static int ab8500_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
+	unsigned long timeout = jiffies + HZ;
+	int retval, i;
+	unsigned long mins, secs;
+	unsigned char buf[ARRAY_SIZE(ab8500_rtc_time_regs)];
+
+	/* Request a data read */
+	retval = ab8500_write(ab8500, AB8500_RTC_READ_REQ_REG,
+			      RTC_READ_REQUEST);
+	if (retval < 0)
+		return retval;
+
+	/* Early AB8500 chips will not clear the rtc read request bit */
+	if (ab8500->revision == 0) {
+		msleep(1);
+	} else {
+		/* Wait for some cycles after enabling the rtc read in ab8500 */
+		while (time_before(jiffies, timeout)) {
+			retval = ab8500_read(ab8500, AB8500_RTC_READ_REQ_REG);
+			if (retval < 0)
+				return retval;
+
+			if (!(retval & RTC_READ_REQUEST))
+				break;
+
+			msleep(1);
+		}
+	}
+
+	/* Read the Watchtime registers */
+	for (i = 0; i < ARRAY_SIZE(ab8500_rtc_time_regs); i++) {
+		retval = ab8500_read(ab8500, ab8500_rtc_time_regs[i]);
+		if (retval < 0)
+			return retval;
+		buf[i] = retval;
+	}
+
+	mins = (buf[0] << 16) | (buf[1] << 8) | buf[2];
+
+	secs =	(buf[3] << 8) | buf[4];
+	secs =	secs / COUNTS_PER_SEC;
+	secs =	secs + (mins * 60);
+
+	/* Add back the initially subtracted number of seconds */
+	secs += get_elapsed_seconds(AB8500_RTC_EPOCH);
+
+	rtc_time_to_tm(secs, tm);
+	return rtc_valid_tm(tm);
+}
+
+static int ab8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
+	int retval, i;
+	unsigned char buf[ARRAY_SIZE(ab8500_rtc_time_regs)];
+	unsigned long no_secs, no_mins, secs = 0;
+
+	if (tm->tm_year < (AB8500_RTC_EPOCH - 1900)) {
+		dev_dbg(dev, "year should be equal to or greater than %d\n",
+				AB8500_RTC_EPOCH);
+		return -EINVAL;
+	}
+
+	/* Get the number of seconds since 1970 */
+	rtc_tm_to_time(tm, &secs);
+
+	/*
+	 * Convert it to the number of seconds since 01-01-2000 00:00:00, since
+	 * we only have a small counter in the RTC.
+	 */
+	secs -= get_elapsed_seconds(AB8500_RTC_EPOCH);
+
+	no_mins = secs / 60;
+
+	no_secs = secs % 60;
+	/* Make the seconds count as per the RTC resolution */
+	no_secs = no_secs * COUNTS_PER_SEC;
+
+	buf[4] = no_secs & 0xFF;
+	buf[3] = (no_secs >> 8) & 0xFF;
+
+	buf[2] = no_mins & 0xFF;
+	buf[1] = (no_mins >> 8) & 0xFF;
+	buf[0] = (no_mins >> 16) & 0xFF;
+
+	for (i = 0; i < ARRAY_SIZE(ab8500_rtc_time_regs); i++) {
+		retval = ab8500_write(ab8500, ab8500_rtc_time_regs[i], buf[i]);
+		if (retval < 0)
+			return retval;
+	}
+
+	/* Request a data write */
+	return ab8500_write(ab8500, AB8500_RTC_READ_REQ_REG, RTC_WRITE_REQUEST);
+}
+
+static int ab8500_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
+{
+	struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
+	int retval, i;
+	int rtc_ctrl;
+	unsigned char buf[ARRAY_SIZE(ab8500_rtc_alarm_regs)];
+	unsigned long secs, mins;
+
+	/* Check if the alarm is enabled or not */
+	rtc_ctrl = ab8500_read(ab8500, AB8500_RTC_STAT_REG);
+	if (rtc_ctrl < 0)
+		return rtc_ctrl;
+
+	if (rtc_ctrl & RTC_ALARM_ENA)
+		alarm->enabled = 1;
+	else
+		alarm->enabled = 0;
+
+	alarm->pending = 0;
+
+	for (i = 0; i < ARRAY_SIZE(ab8500_rtc_alarm_regs); i++) {
+		retval = ab8500_read(ab8500, ab8500_rtc_alarm_regs[i]);
+		if (retval < 0)
+			return retval;
+		buf[i] = retval;
+	}
+
+	mins = (buf[0] << 16) | (buf[1] << 8) | (buf[2]);
+	secs = mins * 60;
+
+	/* Add back the initially subtracted number of seconds */
+	secs += get_elapsed_seconds(AB8500_RTC_EPOCH);
+
+	rtc_time_to_tm(secs, &alarm->time);
+
+	return rtc_valid_tm(&alarm->time);
+}
+
+static int ab8500_rtc_irq_enable(struct device *dev, unsigned int enabled)
+{
+	struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
+
+	return ab8500_set_bits(ab8500, AB8500_RTC_STAT_REG, RTC_ALARM_ENA,
+			       enabled ? RTC_ALARM_ENA : 0);
+}
+
+static int ab8500_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
+{
+	struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
+	int retval, i;
+	unsigned char buf[ARRAY_SIZE(ab8500_rtc_alarm_regs)];
+	unsigned long mins, secs = 0;
+
+	if (alarm->time.tm_year < (AB8500_RTC_EPOCH - 1900)) {
+		dev_dbg(dev, "year should be equal to or greater than %d\n",
+				AB8500_RTC_EPOCH);
+		return -EINVAL;
+	}
+
+	/* Get the number of seconds since 1970 */
+	rtc_tm_to_time(&alarm->time, &secs);
+
+	/*
+	 * Convert it to the number of seconds since 01-01-2000 00:00:00, since
+	 * we only have a small counter in the RTC.
+	 */
+	secs -= get_elapsed_seconds(AB8500_RTC_EPOCH);
+
+	mins = secs / 60;
+
+	buf[2] = mins & 0xFF;
+	buf[1] = (mins >> 8) & 0xFF;
+	buf[0] = (mins >> 16) & 0xFF;
+
+	/* Set the alarm time */
+	for (i = 0; i < ARRAY_SIZE(ab8500_rtc_alarm_regs); i++) {
+		retval = ab8500_write(ab8500, ab8500_rtc_alarm_regs[i], buf[i]);
+		if (retval < 0)
+			return retval;
+	}
+
+	return ab8500_rtc_irq_enable(dev, alarm->enabled);
+}
+
+static irqreturn_t rtc_alarm_handler(int irq, void *data)
+{
+	struct rtc_device *rtc = data;
+	unsigned long events = RTC_IRQF | RTC_AF;
+
+	dev_dbg(&rtc->dev, "%s\n", __func__);
+	rtc_update_irq(rtc, 1, events);
+
+	return IRQ_HANDLED;
+}
+
+static const struct rtc_class_ops ab8500_rtc_ops = {
+	.read_time		= ab8500_rtc_read_time,
+	.set_time		= ab8500_rtc_set_time,
+	.read_alarm		= ab8500_rtc_read_alarm,
+	.set_alarm		= ab8500_rtc_set_alarm,
+	.alarm_irq_enable	= ab8500_rtc_irq_enable,
+};
+
+static int __devinit ab8500_rtc_probe(struct platform_device *pdev)
+{
+	struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
+	int err;
+	struct rtc_device *rtc;
+	int rtc_ctrl;
+	int irq;
+
+	irq = platform_get_irq_byname(pdev, "ALARM");
+	if (irq < 0)
+		return irq;
+
+	/* For RTC supply test */
+	err = ab8500_set_bits(ab8500, AB8500_RTC_STAT_REG, RTC_STATUS_DATA,
+			RTC_STATUS_DATA);
+	if (err < 0)
+		return err;
+
+	/* Wait for reset by the PorRtc */
+	msleep(1);
+
+	rtc_ctrl = ab8500_read(ab8500, AB8500_RTC_STAT_REG);
+	if (rtc_ctrl < 0)
+		return rtc_ctrl;
+
+	/* Check if the RTC Supply fails */
+	if (!(rtc_ctrl & RTC_STATUS_DATA)) {
+		dev_err(&pdev->dev, "RTC supply failure\n");
+		return -ENODEV;
+	}
+
+	rtc = rtc_device_register("ab8500-rtc", &pdev->dev, &ab8500_rtc_ops,
+			THIS_MODULE);
+	if (IS_ERR(rtc)) {
+		dev_err(&pdev->dev, "Registration failed\n");
+		err = PTR_ERR(rtc);
+		return err;
+	}
+
+	err = request_threaded_irq(irq, NULL, rtc_alarm_handler, 0,
+				   "ab8500-rtc", rtc);
+	if (err < 0) {
+		rtc_device_unregister(rtc);
+		return err;
+	}
+
+	platform_set_drvdata(pdev, rtc);
+
+	return 0;
+}
+
+static int __devexit ab8500_rtc_remove(struct platform_device *pdev)
+{
+	struct rtc_device *rtc = platform_get_drvdata(pdev);
+	int irq = platform_get_irq_byname(pdev, "ALARM");
+
+	free_irq(irq, rtc);
+	rtc_device_unregister(rtc);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver ab8500_rtc_driver = {
+	.driver = {
+		.name = "ab8500-rtc",
+		.owner = THIS_MODULE,
+	},
+	.probe	= ab8500_rtc_probe,
+	.remove = __devexit_p(ab8500_rtc_remove),
+};
+
+static int __init ab8500_rtc_init(void)
+{
+	return platform_driver_register(&ab8500_rtc_driver);
+}
+
+static void __exit ab8500_rtc_exit(void)
+{
+	platform_driver_unregister(&ab8500_rtc_driver);
+}
+
+module_init(ab8500_rtc_init);
+module_exit(ab8500_rtc_exit);
+MODULE_AUTHOR("Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>");
+MODULE_DESCRIPTION("AB8500 RTC Driver");
+MODULE_LICENSE("GPL v2");

From a80a0bbee49872c296c9ed9d6af0f510fcd825a7 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <maz@misterjones.org>
Date: Wed, 26 May 2010 14:42:16 -0700
Subject: [PATCH 3298/3638] gpio: add interrupt handling capability to max732x

Most of the GPIO expanders supported by the max732x driver have interrupt
generation capability by reporting changes on input pins through an INT#
pin.  This patch implements the irq_chip functionnality (edge detection
only).

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Jebediah Huang <jebediah.huang@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/Kconfig        |   7 +
 drivers/gpio/max732x.c      | 355 ++++++++++++++++++++++++++++++++++--
 include/linux/i2c/max732x.h |   3 +
 3 files changed, 346 insertions(+), 19 deletions(-)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index fee678f74a1..1aa63a2e9af 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -139,6 +139,13 @@ config GPIO_MAX732X
 	  Board setup code must specify the model to use, and the start
 	  number for these GPIOs.
 
+config GPIO_MAX732X_IRQ
+	bool "Interrupt controller support for MAX732x"
+	depends on GPIO_MAX732X=y && GENERIC_HARDIRQS
+	help
+	  Say yes here to enable the max732x to be used as an interrupt
+	  controller. It requires the driver to be built in the kernel.
+
 config GPIO_PCA953X
 	tristate "PCA953x, PCA955x, TCA64xx, and MAX7310 I/O ports"
 	depends on I2C
diff --git a/drivers/gpio/max732x.c b/drivers/gpio/max732x.c
index f7868243af8..2053ba9cbfa 100644
--- a/drivers/gpio/max732x.c
+++ b/drivers/gpio/max732x.c
@@ -17,7 +17,8 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/gpio.h>
-
+#include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/i2c.h>
 #include <linux/i2c/max732x.h>
 
@@ -31,7 +32,8 @@
  *   - Open Drain I/O
  *
  * designated by 'O', 'I' and 'P' individually according to MAXIM's
- * datasheets.
+ * datasheets. 'I' and 'P' ports are interrupt capables, some with
+ * a dedicated interrupt mask.
  *
  * There are two groups of I/O ports, each group usually includes
  * up to 8 I/O ports, and is accessed by a specific I2C address:
@@ -44,7 +46,8 @@
  *
  * Within each group of ports, there are five known combinations of
  * I/O ports: 4I4O, 4P4O, 8I, 8P, 8O, see the definitions below for
- * the detailed organization of these ports.
+ * the detailed organization of these ports. Only Goup A is interrupt
+ * capable.
  *
  * GPIO numbers start from 'gpio_base + 0' to 'gpio_base + 8/16',
  * and GPIOs from GROUP_A are numbered before those from GROUP_B
@@ -68,16 +71,47 @@
 #define GROUP_A(x)	((x) & 0xffff)	/* I2C Addr: 0b'110xxxx */
 #define GROUP_B(x)	((x) << 16)	/* I2C Addr: 0b'101xxxx */
 
+#define INT_NONE	0x0	/* No interrupt capability */
+#define INT_NO_MASK	0x1	/* Has interrupts, no mask */
+#define INT_INDEP_MASK	0x2	/* Has interrupts, independent mask */
+#define INT_MERGED_MASK 0x3	/* Has interrupts, merged mask */
+
+#define INT_CAPS(x)	(((uint64_t)(x)) << 32)
+
+enum {
+	MAX7319,
+	MAX7320,
+	MAX7321,
+	MAX7322,
+	MAX7323,
+	MAX7324,
+	MAX7325,
+	MAX7326,
+	MAX7327,
+};
+
+static uint64_t max732x_features[] = {
+	[MAX7319] = GROUP_A(IO_8I) | INT_CAPS(INT_MERGED_MASK),
+	[MAX7320] = GROUP_B(IO_8O),
+	[MAX7321] = GROUP_A(IO_8P) | INT_CAPS(INT_NO_MASK),
+	[MAX7322] = GROUP_A(IO_4I4O) | INT_CAPS(INT_MERGED_MASK),
+	[MAX7323] = GROUP_A(IO_4P4O) | INT_CAPS(INT_INDEP_MASK),
+	[MAX7324] = GROUP_A(IO_8I) | GROUP_B(IO_8O) | INT_CAPS(INT_MERGED_MASK),
+	[MAX7325] = GROUP_A(IO_8P) | GROUP_B(IO_8O) | INT_CAPS(INT_NO_MASK),
+	[MAX7326] = GROUP_A(IO_4I4O) | GROUP_B(IO_8O) | INT_CAPS(INT_MERGED_MASK),
+	[MAX7327] = GROUP_A(IO_4P4O) | GROUP_B(IO_8O) | INT_CAPS(INT_NO_MASK),
+};
+
 static const struct i2c_device_id max732x_id[] = {
-	{ "max7319", GROUP_A(IO_8I) },
-	{ "max7320", GROUP_B(IO_8O) },
-	{ "max7321", GROUP_A(IO_8P) },
-	{ "max7322", GROUP_A(IO_4I4O) },
-	{ "max7323", GROUP_A(IO_4P4O) },
-	{ "max7324", GROUP_A(IO_8I) | GROUP_B(IO_8O) },
-	{ "max7325", GROUP_A(IO_8P) | GROUP_B(IO_8O) },
-	{ "max7326", GROUP_A(IO_4I4O) | GROUP_B(IO_8O) },
-	{ "max7327", GROUP_A(IO_4P4O) | GROUP_B(IO_8O) },
+	{ "max7319", MAX7319 },
+	{ "max7320", MAX7320 },
+	{ "max7321", MAX7321 },
+	{ "max7322", MAX7322 },
+	{ "max7323", MAX7323 },
+	{ "max7324", MAX7324 },
+	{ "max7325", MAX7325 },
+	{ "max7326", MAX7326 },
+	{ "max7327", MAX7327 },
 	{ },
 };
 MODULE_DEVICE_TABLE(i2c, max732x_id);
@@ -96,9 +130,19 @@ struct max732x_chip {
 
 	struct mutex	lock;
 	uint8_t		reg_out[2];
+
+#ifdef CONFIG_GPIO_MAX732X_IRQ
+	struct mutex	irq_lock;
+	int		irq_base;
+	uint8_t		irq_mask;
+	uint8_t		irq_mask_cur;
+	uint8_t		irq_trig_raise;
+	uint8_t		irq_trig_fall;
+	uint8_t		irq_features;
+#endif
 };
 
-static int max732x_write(struct max732x_chip *chip, int group_a, uint8_t val)
+static int max732x_writeb(struct max732x_chip *chip, int group_a, uint8_t val)
 {
 	struct i2c_client *client;
 	int ret;
@@ -113,7 +157,7 @@ static int max732x_write(struct max732x_chip *chip, int group_a, uint8_t val)
 	return 0;
 }
 
-static int max732x_read(struct max732x_chip *chip, int group_a, uint8_t *val)
+static int max732x_readb(struct max732x_chip *chip, int group_a, uint8_t *val)
 {
 	struct i2c_client *client;
 	int ret;
@@ -142,7 +186,7 @@ static int max732x_gpio_get_value(struct gpio_chip *gc, unsigned off)
 
 	chip = container_of(gc, struct max732x_chip, gpio_chip);
 
-	ret = max732x_read(chip, is_group_a(chip, off), &reg_val);
+	ret = max732x_readb(chip, is_group_a(chip, off), &reg_val);
 	if (ret < 0)
 		return 0;
 
@@ -162,7 +206,7 @@ static void max732x_gpio_set_value(struct gpio_chip *gc, unsigned off, int val)
 	reg_out = (off > 7) ? chip->reg_out[1] : chip->reg_out[0];
 	reg_out = (val) ? reg_out | mask : reg_out & ~mask;
 
-	ret = max732x_write(chip, is_group_a(chip, off), reg_out);
+	ret = max732x_writeb(chip, is_group_a(chip, off), reg_out);
 	if (ret < 0)
 		goto out;
 
@@ -209,12 +253,278 @@ static int max732x_gpio_direction_output(struct gpio_chip *gc,
 	return 0;
 }
 
+#ifdef CONFIG_GPIO_MAX732X_IRQ
+static int max732x_writew(struct max732x_chip *chip, uint16_t val)
+{
+	int ret;
+
+	val = cpu_to_le16(val);
+
+	ret = i2c_master_send(chip->client_group_a, (char *)&val, 2);
+	if (ret < 0) {
+		dev_err(&chip->client_group_a->dev, "failed writing\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int max732x_readw(struct max732x_chip *chip, uint16_t *val)
+{
+	int ret;
+
+	ret = i2c_master_recv(chip->client_group_a, (char *)val, 2);
+	if (ret < 0) {
+		dev_err(&chip->client_group_a->dev, "failed reading\n");
+		return ret;
+	}
+
+	*val = le16_to_cpu(*val);
+	return 0;
+}
+
+static void max732x_irq_update_mask(struct max732x_chip *chip)
+{
+	uint16_t msg;
+
+	if (chip->irq_mask == chip->irq_mask_cur)
+		return;
+
+	chip->irq_mask = chip->irq_mask_cur;
+
+	if (chip->irq_features == INT_NO_MASK)
+		return;
+
+	mutex_lock(&chip->lock);
+
+	switch (chip->irq_features) {
+	case INT_INDEP_MASK:
+		msg = (chip->irq_mask << 8) | chip->reg_out[0];
+		max732x_writew(chip, msg);
+		break;
+
+	case INT_MERGED_MASK:
+		msg = chip->irq_mask | chip->reg_out[0];
+		max732x_writeb(chip, 1, (uint8_t)msg);
+		break;
+	}
+
+	mutex_unlock(&chip->lock);
+}
+
+static int max732x_gpio_to_irq(struct gpio_chip *gc, unsigned off)
+{
+	struct max732x_chip *chip;
+
+	chip = container_of(gc, struct max732x_chip, gpio_chip);
+	return chip->irq_base + off;
+}
+
+static void max732x_irq_mask(unsigned int irq)
+{
+	struct max732x_chip *chip = get_irq_chip_data(irq);
+
+	chip->irq_mask_cur &= ~(1 << (irq - chip->irq_base));
+}
+
+static void max732x_irq_unmask(unsigned int irq)
+{
+	struct max732x_chip *chip = get_irq_chip_data(irq);
+
+	chip->irq_mask_cur |= 1 << (irq - chip->irq_base);
+}
+
+static void max732x_irq_bus_lock(unsigned int irq)
+{
+	struct max732x_chip *chip = get_irq_chip_data(irq);
+
+	mutex_lock(&chip->irq_lock);
+	chip->irq_mask_cur = chip->irq_mask;
+}
+
+static void max732x_irq_bus_sync_unlock(unsigned int irq)
+{
+	struct max732x_chip *chip = get_irq_chip_data(irq);
+
+	max732x_irq_update_mask(chip);
+	mutex_unlock(&chip->irq_lock);
+}
+
+static int max732x_irq_set_type(unsigned int irq, unsigned int type)
+{
+	struct max732x_chip *chip = get_irq_chip_data(irq);
+	uint16_t off = irq - chip->irq_base;
+	uint16_t mask = 1 << off;
+
+	if (!(mask & chip->dir_input)) {
+		dev_dbg(&chip->client->dev, "%s port %d is output only\n",
+			chip->client->name, off);
+		return -EACCES;
+	}
+
+	if (!(type & IRQ_TYPE_EDGE_BOTH)) {
+		dev_err(&chip->client->dev, "irq %d: unsupported type %d\n",
+			irq, type);
+		return -EINVAL;
+	}
+
+	if (type & IRQ_TYPE_EDGE_FALLING)
+		chip->irq_trig_fall |= mask;
+	else
+		chip->irq_trig_fall &= ~mask;
+
+	if (type & IRQ_TYPE_EDGE_RISING)
+		chip->irq_trig_raise |= mask;
+	else
+		chip->irq_trig_raise &= ~mask;
+
+	return max732x_gpio_direction_input(&chip->gpio_chip, off);
+}
+
+static struct irq_chip max732x_irq_chip = {
+	.name			= "max732x",
+	.mask			= max732x_irq_mask,
+	.unmask			= max732x_irq_unmask,
+	.bus_lock		= max732x_irq_bus_lock,
+	.bus_sync_unlock	= max732x_irq_bus_sync_unlock,
+	.set_type		= max732x_irq_set_type,
+};
+
+static uint8_t max732x_irq_pending(struct max732x_chip *chip)
+{
+	uint8_t cur_stat;
+	uint8_t old_stat;
+	uint8_t trigger;
+	uint8_t pending;
+	uint16_t status;
+	int ret;
+
+	ret = max732x_readw(chip, &status);
+	if (ret)
+		return 0;
+
+	trigger = status >> 8;
+	trigger &= chip->irq_mask;
+
+	if (!trigger)
+		return 0;
+
+	cur_stat = status & 0xFF;
+	cur_stat &= chip->irq_mask;
+
+	old_stat = cur_stat ^ trigger;
+
+	pending = (old_stat & chip->irq_trig_fall) |
+		  (cur_stat & chip->irq_trig_raise);
+	pending &= trigger;
+
+	return pending;
+}
+
+static irqreturn_t max732x_irq_handler(int irq, void *devid)
+{
+	struct max732x_chip *chip = devid;
+	uint8_t pending;
+	uint8_t level;
+
+	pending = max732x_irq_pending(chip);
+
+	if (!pending)
+		return IRQ_HANDLED;
+
+	do {
+		level = __ffs(pending);
+		handle_nested_irq(level + chip->irq_base);
+
+		pending &= ~(1 << level);
+	} while (pending);
+
+	return IRQ_HANDLED;
+}
+
+static int max732x_irq_setup(struct max732x_chip *chip,
+			     const struct i2c_device_id *id)
+{
+	struct i2c_client *client = chip->client;
+	struct max732x_platform_data *pdata = client->dev.platform_data;
+	int has_irq = max732x_features[id->driver_data] >> 32;
+	int ret;
+
+	if (pdata->irq_base && has_irq != INT_NONE) {
+		int lvl;
+
+		chip->irq_base = pdata->irq_base;
+		chip->irq_features = has_irq;
+		mutex_init(&chip->irq_lock);
+
+		for (lvl = 0; lvl < chip->gpio_chip.ngpio; lvl++) {
+			int irq = lvl + chip->irq_base;
+
+			if (!(chip->dir_input & (1 << lvl)))
+				continue;
+
+			set_irq_chip_data(irq, chip);
+			set_irq_chip_and_handler(irq, &max732x_irq_chip,
+						 handle_edge_irq);
+			set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+			set_irq_flags(irq, IRQF_VALID);
+#else
+			set_irq_noprobe(irq);
+#endif
+		}
+
+		ret = request_threaded_irq(client->irq,
+					   NULL,
+					   max732x_irq_handler,
+					   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+					   dev_name(&client->dev), chip);
+		if (ret) {
+			dev_err(&client->dev, "failed to request irq %d\n",
+				client->irq);
+			goto out_failed;
+		}
+
+		chip->gpio_chip.to_irq = max732x_gpio_to_irq;
+	}
+
+	return 0;
+
+out_failed:
+	chip->irq_base = 0;
+	return ret;
+}
+
+static void max732x_irq_teardown(struct max732x_chip *chip)
+{
+	if (chip->irq_base)
+		free_irq(chip->client->irq, chip);
+}
+#else /* CONFIG_GPIO_MAX732X_IRQ */
+static int max732x_irq_setup(struct max732x_chip *chip,
+			     const struct i2c_device_id *id)
+{
+	struct i2c_client *client = chip->client;
+	struct max732x_platform_data *pdata = client->dev.platform_data;
+	int has_irq = max732x_features[id->driver_data] >> 32;
+
+	if (pdata->irq_base && has_irq != INT_NONE)
+		dev_warn(&client->dev, "interrupt support not compiled in\n");
+
+	return 0;
+}
+
+static void max732x_irq_teardown(struct max732x_chip *chip)
+{
+}
+#endif
+
 static int __devinit max732x_setup_gpio(struct max732x_chip *chip,
 					const struct i2c_device_id *id,
 					unsigned gpio_start)
 {
 	struct gpio_chip *gc = &chip->gpio_chip;
-	uint32_t id_data = id->driver_data;
+	uint32_t id_data = (uint32_t)max732x_features[id->driver_data];
 	int i, port = 0;
 
 	for (i = 0; i < 16; i++, id_data >>= 2) {
@@ -306,9 +616,13 @@ static int __devinit max732x_probe(struct i2c_client *client,
 
 	mutex_init(&chip->lock);
 
-	max732x_read(chip, is_group_a(chip, 0), &chip->reg_out[0]);
+	max732x_readb(chip, is_group_a(chip, 0), &chip->reg_out[0]);
 	if (nr_port > 7)
-		max732x_read(chip, is_group_a(chip, 8), &chip->reg_out[1]);
+		max732x_readb(chip, is_group_a(chip, 8), &chip->reg_out[1]);
+
+	ret = max732x_irq_setup(chip, id);
+	if (ret)
+		goto out_failed;
 
 	ret = gpiochip_add(&chip->gpio_chip);
 	if (ret)
@@ -325,6 +639,7 @@ static int __devinit max732x_probe(struct i2c_client *client,
 	return 0;
 
 out_failed:
+	max732x_irq_teardown(chip);
 	kfree(chip);
 	return ret;
 }
@@ -352,6 +667,8 @@ static int __devexit max732x_remove(struct i2c_client *client)
 		return ret;
 	}
 
+	max732x_irq_teardown(chip);
+
 	/* unregister any dummy i2c_client */
 	if (chip->client_dummy)
 		i2c_unregister_device(chip->client_dummy);
diff --git a/include/linux/i2c/max732x.h b/include/linux/i2c/max732x.h
index e10336631c6..c04bac8bf2f 100644
--- a/include/linux/i2c/max732x.h
+++ b/include/linux/i2c/max732x.h
@@ -7,6 +7,9 @@ struct max732x_platform_data {
 	/* number of the first GPIO */
 	unsigned	gpio_base;
 
+	/* interrupt base */
+	int		irq_base;
+
 	void		*context;	/* param to setup/teardown */
 
 	int		(*setup)(struct i2c_client *client,

From 62154991a8b2b932112d39bf4aeaab37fa7b9a31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 26 May 2010 14:42:17 -0700
Subject: [PATCH 3299/3638] gpiolib: make names array and its values const
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

gpiolib doesn't need to modify the names and I assume most initializers
use string constants that shouldn't be modified anyhow.

[akpm@linux-foundation.org: fix drivers/gpio/cs5535-gpio.c]
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Kevin Wells <kevin.wells@nxp.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/cs5535-gpio.c  | 2 +-
 drivers/gpio/gpiolib.c      | 2 +-
 drivers/gpio/pca953x.c      | 2 +-
 include/asm-generic/gpio.h  | 2 +-
 include/linux/i2c/pca953x.h | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c
index 0c3c498f226..f73a1555e49 100644
--- a/drivers/gpio/cs5535-gpio.c
+++ b/drivers/gpio/cs5535-gpio.c
@@ -197,7 +197,7 @@ static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val)
 	return 0;
 }
 
-static char *cs5535_gpio_names[] = {
+static const char * const cs5535_gpio_names[] = {
 	"GPIO0", "GPIO1", "GPIO2", "GPIO3",
 	"GPIO4", "GPIO5", "GPIO6", "GPIO7",
 	"GPIO8", "GPIO9", "GPIO10", "GPIO11",
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index cae1b8c5b08..ce267ee4b94 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -722,7 +722,7 @@ int gpio_export(unsigned gpio, bool direction_may_change)
 	unsigned long		flags;
 	struct gpio_desc	*desc;
 	int			status = -EINVAL;
-	char			*ioname = NULL;
+	const char		*ioname = NULL;
 
 	/* can't export until sysfs is available ... */
 	if (!gpio_class.p) {
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index f156ab3bb6e..a2b12aa1f2b 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -73,7 +73,7 @@ struct pca953x_chip {
 	struct i2c_client *client;
 	struct pca953x_platform_data *dyn_pdata;
 	struct gpio_chip gpio_chip;
-	char **names;
+	const char *const *names;
 };
 
 static int pca953x_write_reg(struct pca953x_chip *chip, int reg, uint16_t val)
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 979c6a57f2f..bc0c14da716 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -98,7 +98,7 @@ struct gpio_chip {
 						struct gpio_chip *chip);
 	int			base;
 	u16			ngpio;
-	char			**names;
+	const char		*const *names;
 	unsigned		can_sleep:1;
 	unsigned		exported:1;
 };
diff --git a/include/linux/i2c/pca953x.h b/include/linux/i2c/pca953x.h
index d5c5a60c8a0..139ba52667c 100644
--- a/include/linux/i2c/pca953x.h
+++ b/include/linux/i2c/pca953x.h
@@ -24,7 +24,7 @@ struct pca953x_platform_data {
 	int		(*teardown)(struct i2c_client *client,
 				unsigned gpio, unsigned ngpio,
 				void *context);
-	char		**names;
+	const char	*const *names;
 };
 
 #endif /* _LINUX_PCA953X_H */

From 7cfe1395b28c472e569db6595a27bfefb161a7bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 26 May 2010 14:42:18 -0700
Subject: [PATCH 3300/3638] gpiolib: a gpio is unsigned, so use %u to print it
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/gpiolib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index ce267ee4b94..05019c15a86 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -753,7 +753,7 @@ int gpio_export(unsigned gpio, bool direction_may_change)
 		struct device	*dev;
 
 		dev = device_create(&gpio_class, desc->chip->dev, MKDEV(0, 0),
-				desc, ioname ? ioname : "gpio%d", gpio);
+				desc, ioname ? ioname : "gpio%u", gpio);
 		if (!IS_ERR(dev)) {
 			status = sysfs_create_group(&dev->kobj,
 						&gpio_attr_group);

From 7839ec78214ecf477cc9e2862233b8d9fcf4ec58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 26 May 2010 14:42:18 -0700
Subject: [PATCH 3301/3638] gpiolib: document that names can contain printk
 format specifiers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/asm-generic/gpio.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index bc0c14da716..fb1ecf8baa9 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -60,7 +60,9 @@ struct module;
  * @names: if set, must be an array of strings to use as alternative
  *      names for the GPIOs in this chip. Any entry in the array
  *      may be NULL if there is no alias for the GPIO, however the
- *      array must be @ngpio entries long.
+ *      array must be @ngpio entries long.  A name can include a single printk
+ *      format specifier for an unsigned int.  It is substituted by the actual
+ *      number of the gpio.
  *
  * A gpio_chip can help platforms abstract various sources of GPIOs so
  * they can all be accessed through a common programing interface.

From c1cc9b9775c931a0015178daf92d41aec00580de Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Wed, 26 May 2010 14:42:19 -0700
Subject: [PATCH 3302/3638] pl061: fix offset value range checking

The valid offset value is 0..PL061_GPIO_NR-1, this patch corrects the
offset value range checking.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/pl061.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c
index 105701a1f05..ee568c8fcbd 100644
--- a/drivers/gpio/pl061.c
+++ b/drivers/gpio/pl061.c
@@ -164,7 +164,7 @@ static int pl061_irq_type(unsigned irq, unsigned trigger)
 	unsigned long flags;
 	u8 gpiois, gpioibe, gpioiev;
 
-	if (offset < 0 || offset > PL061_GPIO_NR)
+	if (offset < 0 || offset >= PL061_GPIO_NR)
 		return -EINVAL;
 
 	spin_lock_irqsave(&chip->irq_lock, flags);

From 5535cb681c38bda94af02ef4b043a25b52303e65 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Wed, 26 May 2010 14:42:20 -0700
Subject: [PATCH 3303/3638] max732x: correct nr_port checking off by one error

Setup both client_group_a and client_group_b if nr_port > 8 (not including
nr_port==8).

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Eric Miao <eric.miao@marvell.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/max732x.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/max732x.c b/drivers/gpio/max732x.c
index 2053ba9cbfa..26ff40110d9 100644
--- a/drivers/gpio/max732x.c
+++ b/drivers/gpio/max732x.c
@@ -595,14 +595,14 @@ static int __devinit max732x_probe(struct i2c_client *client,
 	switch (client->addr & 0x70) {
 	case 0x60:
 		chip->client_group_a = client;
-		if (nr_port > 7) {
+		if (nr_port > 8) {
 			c = i2c_new_dummy(client->adapter, addr_b);
 			chip->client_group_b = chip->client_dummy = c;
 		}
 		break;
 	case 0x50:
 		chip->client_group_b = client;
-		if (nr_port > 7) {
+		if (nr_port > 8) {
 			c = i2c_new_dummy(client->adapter, addr_a);
 			chip->client_group_a = chip->client_dummy = c;
 		}
@@ -617,7 +617,7 @@ static int __devinit max732x_probe(struct i2c_client *client,
 	mutex_init(&chip->lock);
 
 	max732x_readb(chip, is_group_a(chip, 0), &chip->reg_out[0]);
-	if (nr_port > 7)
+	if (nr_port > 8)
 		max732x_readb(chip, is_group_a(chip, 8), &chip->reg_out[1]);
 
 	ret = max732x_irq_setup(chip, id);

From a13c1868aa60ae7a2516b8d00ee8873dea587581 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <maz@misterjones.org>
Date: Wed, 26 May 2010 14:42:21 -0700
Subject: [PATCH 3304/3638] gpio: max732x: fix input configuration for
 open-drain pins

Fix a bug I noticed while hacking on the max732x driver for interrupt
support.  According to the datasheets, open-drain pins have to be
configured as output-high (which in that case is actually high impedance)
to be used as input.

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/max732x.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpio/max732x.c b/drivers/gpio/max732x.c
index 26ff40110d9..9cad60f9e96 100644
--- a/drivers/gpio/max732x.c
+++ b/drivers/gpio/max732x.c
@@ -232,6 +232,13 @@ static int max732x_gpio_direction_input(struct gpio_chip *gc, unsigned off)
 		return -EACCES;
 	}
 
+	/*
+	 * Open-drain pins must be set to high impedance (which is
+	 * equivalent to output-high) to be turned into an input.
+	 */
+	if ((mask & chip->dir_output))
+		max732x_gpio_set_value(gc, off, 1);
+
 	return 0;
 }
 

From 796a8e423ac8afe9e98ad96e668f50142bdd7825 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 26 May 2010 14:42:21 -0700
Subject: [PATCH 3305/3638] gpiolib: make gpiochip_add() show a better error
 message

The current message, 'not registered' is confusing as it implies it was
not registered with something, whereas printing 'failed to register'
implies it was the gpiochip_add() call that did not work correctly.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/gpiolib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 05019c15a86..362a613d266 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1106,7 +1106,7 @@ unlock:
 fail:
 	/* failures here can mean systems won't boot... */
 	if (status)
-		pr_err("gpiochip_add: gpios %d..%d (%s) not registered\n",
+		pr_err("gpiochip_add: gpios %d..%d (%s) failed to register\n",
 			chip->base, chip->base + chip->ngpio - 1,
 			chip->label ? : "generic");
 	return status;

From c4b5be98fe78508e7199d6919eb712feba9a4f01 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Wed, 26 May 2010 14:42:23 -0700
Subject: [PATCH 3306/3638] gpiolib: introduce set_debounce method

A few architectures, like OMAP, allow you to set a debouncing time for the
gpio before generating the IRQ.  Teach gpiolib about that.

Mark said:
: This would be generally useful for embedded systems, especially where
: the interrupt concerned is a wake source.  It allows drivers to avoid
: spurious interrupts from noisy sources so if the hardware supports it
: the driver can avoid having to explicitly wait for the signal to become
: stable and software has to cope with fewer events.  We've lived without
: it for quite some time, though.

David said:
: I looked at adding debounce support to the generic GPIO calls (and thus
: gpiolib) some time back, but decided against it.  I forget why at this
: time (check list archives) but it wasn't because of lack of utility in
: certain contexts.
:
: One thing to watch out for is just how variable the hardware capabilities
: are.  Atmel GPIOs have something like a fixed number of 32K clock cycles
: for debounce, twl4030 had something odd, OMAPs were more like the Atmel
: chips but with a different clock.  In some cases debouncing had to be
: ganged, not per-GPIO.  And so forth.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: David Brownell <david-b@pacbell.net>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/gpiolib.c     | 43 ++++++++++++++++++++++++++++++++++++++
 include/asm-generic/gpio.h |  5 +++++
 include/linux/gpio.h       |  5 +++++
 3 files changed, 53 insertions(+)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 362a613d266..3ca36542e33 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1447,6 +1447,49 @@ fail:
 }
 EXPORT_SYMBOL_GPL(gpio_direction_output);
 
+/**
+ * gpio_set_debounce - sets @debounce time for a @gpio
+ * @gpio: the gpio to set debounce time
+ * @debounce: debounce time is microseconds
+ */
+int gpio_set_debounce(unsigned gpio, unsigned debounce)
+{
+	unsigned long		flags;
+	struct gpio_chip	*chip;
+	struct gpio_desc	*desc = &gpio_desc[gpio];
+	int			status = -EINVAL;
+
+	spin_lock_irqsave(&gpio_lock, flags);
+
+	if (!gpio_is_valid(gpio))
+		goto fail;
+	chip = desc->chip;
+	if (!chip || !chip->set || !chip->set_debounce)
+		goto fail;
+	gpio -= chip->base;
+	if (gpio >= chip->ngpio)
+		goto fail;
+	status = gpio_ensure_requested(desc, gpio);
+	if (status < 0)
+		goto fail;
+
+	/* now we know the gpio is valid and chip won't vanish */
+
+	spin_unlock_irqrestore(&gpio_lock, flags);
+
+	might_sleep_if(extra_checks && chip->can_sleep);
+
+	return chip->set_debounce(chip, gpio, debounce);
+
+fail:
+	spin_unlock_irqrestore(&gpio_lock, flags);
+	if (status)
+		pr_debug("%s: gpio-%d status %d\n",
+			__func__, gpio, status);
+
+	return status;
+}
+EXPORT_SYMBOL_GPL(gpio_set_debounce);
 
 /* I/O calls are only valid after configuration completed; the relevant
  * "is this a valid GPIO" error checks should already have been done.
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index fb1ecf8baa9..4f3d75e1ad3 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -90,6 +90,9 @@ struct gpio_chip {
 						unsigned offset);
 	int			(*direction_output)(struct gpio_chip *chip,
 						unsigned offset, int value);
+	int			(*set_debounce)(struct gpio_chip *chip,
+						unsigned offset, unsigned debounce);
+
 	void			(*set)(struct gpio_chip *chip,
 						unsigned offset, int value);
 
@@ -123,6 +126,8 @@ extern void gpio_free(unsigned gpio);
 extern int gpio_direction_input(unsigned gpio);
 extern int gpio_direction_output(unsigned gpio, int value);
 
+extern int gpio_set_debounce(unsigned gpio, unsigned debounce);
+
 extern int gpio_get_value_cansleep(unsigned gpio);
 extern void gpio_set_value_cansleep(unsigned gpio, int value);
 
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 4e949a5b5b8..03f616b78cf 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -51,6 +51,11 @@ static inline int gpio_direction_output(unsigned gpio, int value)
 	return -ENOSYS;
 }
 
+static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
+{
+	return -ENOSYS;
+}
+
 static inline int gpio_get_value(unsigned gpio)
 {
 	/* GPIO can never have been requested or set as {in,out}put */

From 168ef3d9a56bd8bffe0ef4189c450888b4aefefe Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Wed, 26 May 2010 14:42:23 -0700
Subject: [PATCH 3307/3638] arm: omap: gpio: implement set_debounce method

OMAP supports debouncing of gpio lines, implement the method using
gpiolib.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/arm/plat-omap/gpio.c | 68 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index dc2ac42d631..1a65865fcfb 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -624,6 +624,59 @@ do {	\
 	__raw_writel(l, base + reg); \
 } while(0)
 
+/**
+ * _set_gpio_debounce - low level gpio debounce time
+ * @bank: the gpio bank we're acting upon
+ * @gpio: the gpio number on this @gpio
+ * @debounce: debounce time to use
+ *
+ * OMAP's debounce time is in 31us steps so we need
+ * to convert and round up to the closest unit.
+ */
+static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
+		unsigned debounce)
+{
+	void __iomem		*reg = bank->base;
+	u32			val;
+	u32			l;
+
+	if (debounce < 32)
+		debounce = 0x01;
+	else if (debounce > 7936)
+		debounce = 0xff;
+	else
+		debounce = (debounce / 0x1f) - 1;
+
+	l = 1 << get_gpio_index(gpio);
+
+	if (cpu_is_omap44xx())
+		reg += OMAP4_GPIO_DEBOUNCINGTIME;
+	else
+		reg += OMAP24XX_GPIO_DEBOUNCE_VAL;
+
+	__raw_writel(debounce, reg);
+
+	reg = bank->base;
+	if (cpu_is_omap44xx())
+		reg += OMAP4_GPIO_DEBOUNCENABLE;
+	else
+		reg += OMAP24XX_GPIO_DEBOUNCE_EN;
+
+	val = __raw_readl(reg);
+
+	if (debounce) {
+		val |= l;
+		if (cpu_is_omap34xx() || cpu_is_omap44xx())
+			clk_enable(bank->dbck);
+	} else {
+		val &= ~l;
+		if (cpu_is_omap34xx() || cpu_is_omap44xx())
+			clk_disable(bank->dbck);
+	}
+
+	__raw_writel(val, reg);
+}
+
 void omap_set_gpio_debounce(int gpio, int enable)
 {
 	struct gpio_bank *bank;
@@ -1656,6 +1709,20 @@ static int gpio_output(struct gpio_chip *chip, unsigned offset, int value)
 	return 0;
 }
 
+static int gpio_debounce(struct gpio_chip *chip, unsigned offset,
+		unsigned debounce)
+{
+	struct gpio_bank *bank;
+	unsigned long flags;
+
+	bank = container_of(chip, struct gpio_bank, chip);
+	spin_lock_irqsave(&bank->lock, flags);
+	_set_gpio_debounce(bank, offset, debounce);
+	spin_unlock_irqrestore(&bank->lock, flags);
+
+	return 0;
+}
+
 static void gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 {
 	struct gpio_bank *bank;
@@ -1909,6 +1976,7 @@ static int __init _omap_gpio_init(void)
 		bank->chip.direction_input = gpio_input;
 		bank->chip.get = gpio_get;
 		bank->chip.direction_output = gpio_output;
+		bank->chip.set_debounce = gpio_debounce;
 		bank->chip.set = gpio_set;
 		bank->chip.to_irq = gpio_2irq;
 		if (bank_is_mpuio(bank)) {

From 48feb337475aaf8f8603b0db8e88c6fe3e194ab6 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Wed, 26 May 2010 14:42:24 -0700
Subject: [PATCH 3308/3638] arm: omap: switch over to gpio_set_debounce

Stop using the omap-specific implementations for gpio debouncing now that
gpiolib provides its own support.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/arm/mach-omap2/board-3430sdp.c        | 4 +---
 arch/arm/mach-omap2/board-ldp.c            | 3 +--
 arch/arm/mach-omap2/board-omap3evm.c       | 4 +---
 arch/arm/mach-omap2/board-omap3pandora.c   | 4 ++--
 arch/arm/mach-omap2/board-omap3touchbook.c | 3 +--
 5 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index e7d629b3c76..f474a80b886 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -137,9 +137,7 @@ static void ads7846_dev_init(void)
 	}
 
 	gpio_direction_input(ts_gpio);
-
-	omap_set_gpio_debounce(ts_gpio, 1);
-	omap_set_gpio_debounce_time(ts_gpio, 0xa);
+	gpio_set_debounce(ts_gpio, 310);
 }
 
 static int ads7846_get_pendown_state(void)
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 5fcb52e7129..fefd7e6e977 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -209,8 +209,7 @@ static void ads7846_dev_init(void)
 	}
 
 	gpio_direction_input(ts_gpio);
-	omap_set_gpio_debounce(ts_gpio, 1);
-	omap_set_gpio_debounce_time(ts_gpio, 0xa);
+	gpio_set_debounce(ts_gpio, 310);
 }
 
 static int ads7846_get_pendown_state(void)
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 81bba194b03..b9526101381 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -579,9 +579,7 @@ static void ads7846_dev_init(void)
 		printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
 
 	gpio_direction_input(OMAP3_EVM_TS_GPIO);
-
-	omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
-	omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
+	gpio_set_debounce(OMAP3_EVM_TS_GPIO, 310);
 }
 
 static int ads7846_get_pendown_state(void)
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 395d049bf01..db06dc910ba 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -130,8 +130,8 @@ static struct platform_device pandora_keys_gpio = {
 static void __init pandora_keys_gpio_init(void)
 {
 	/* set debounce time for GPIO banks 4 and 6 */
-	omap_set_gpio_debounce_time(32 * 3, GPIO_DEBOUNCE_TIME);
-	omap_set_gpio_debounce_time(32 * 5, GPIO_DEBOUNCE_TIME);
+	gpio_set_debounce(32 * 3, GPIO_DEBOUNCE_TIME);
+	gpio_set_debounce(32 * 5, GPIO_DEBOUNCE_TIME);
 }
 
 static int board_keymap[] = {
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index 2504d41f923..2f5f8233dd5 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -328,8 +328,7 @@ static void __init omap3_ads7846_init(void)
 	}
 
 	gpio_direction_input(OMAP3_TS_GPIO);
-	omap_set_gpio_debounce(OMAP3_TS_GPIO, 1);
-	omap_set_gpio_debounce_time(OMAP3_TS_GPIO, 0xa);
+	gpio_set_debounce(OMAP3_TS_GPIO, 310);
 }
 
 static struct ads7846_platform_data ads7846_config = {

From 8156fae26aec0285840ffa6faff6cae017abe81b Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Wed, 26 May 2010 14:42:24 -0700
Subject: [PATCH 3309/3638] arm: omap: remove the unused omap_gpio_set_debounce
 methods

Nobody uses that anymore, so remove and expect drivers to use the gpiolib
implementation.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/arm/plat-omap/gpio.c | 74 ---------------------------------------
 1 file changed, 74 deletions(-)

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 1a65865fcfb..393e9219a5b 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -677,80 +677,6 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
 	__raw_writel(val, reg);
 }
 
-void omap_set_gpio_debounce(int gpio, int enable)
-{
-	struct gpio_bank *bank;
-	void __iomem *reg;
-	unsigned long flags;
-	u32 val, l = 1 << get_gpio_index(gpio);
-
-	if (cpu_class_is_omap1())
-		return;
-
-	bank = get_gpio_bank(gpio);
-	reg = bank->base;
-
-	if (cpu_is_omap44xx())
-		reg += OMAP4_GPIO_DEBOUNCENABLE;
-	else
-		reg += OMAP24XX_GPIO_DEBOUNCE_EN;
-
-	if (!(bank->mod_usage & l)) {
-		printk(KERN_ERR "GPIO %d not requested\n", gpio);
-		return;
-	}
-
-	spin_lock_irqsave(&bank->lock, flags);
-	val = __raw_readl(reg);
-
-	if (enable && !(val & l))
-		val |= l;
-	else if (!enable && (val & l))
-		val &= ~l;
-	else
-		goto done;
-
-	if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
-		bank->dbck_enable_mask = val;
-		if (enable)
-			clk_enable(bank->dbck);
-		else
-			clk_disable(bank->dbck);
-	}
-
-	__raw_writel(val, reg);
-done:
-	spin_unlock_irqrestore(&bank->lock, flags);
-}
-EXPORT_SYMBOL(omap_set_gpio_debounce);
-
-void omap_set_gpio_debounce_time(int gpio, int enc_time)
-{
-	struct gpio_bank *bank;
-	void __iomem *reg;
-
-	if (cpu_class_is_omap1())
-		return;
-
-	bank = get_gpio_bank(gpio);
-	reg = bank->base;
-
-	if (!bank->mod_usage) {
-		printk(KERN_ERR "GPIO not requested\n");
-		return;
-	}
-
-	enc_time &= 0xff;
-
-	if (cpu_is_omap44xx())
-		reg += OMAP4_GPIO_DEBOUNCINGTIME;
-	else
-		reg += OMAP24XX_GPIO_DEBOUNCE_VAL;
-
-	__raw_writel(enc_time, reg);
-}
-EXPORT_SYMBOL(omap_set_gpio_debounce_time);
-
 #ifdef CONFIG_ARCH_OMAP2PLUS
 static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
 						int trigger)

From 8081c84c9ce71ef73e591e19f1f7a516cb111e1c Mon Sep 17 00:00:00 2001
From: Alek Du <alek.du@intel.com>
Date: Wed, 26 May 2010 14:42:25 -0700
Subject: [PATCH 3310/3638] gpio: add Penwell gpio support

Intel Penwell chip has two 96 pins GPIO blocks, which are very similiar as
Intel Langwell chip GPIO block, except for pin number difference. This
patch expends the original Langwell GPIO driver to support Penwell's.

Signed-off-by: Alek Du <alek.du@intel.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/Kconfig         |  4 +-
 drivers/gpio/langwell_gpio.c | 83 ++++++++++++++++++++++--------------
 2 files changed, 53 insertions(+), 34 deletions(-)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 1aa63a2e9af..4fd0f276df5 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -271,10 +271,10 @@ config GPIO_BT8XX
 	  If unsure, say N.
 
 config GPIO_LANGWELL
-	bool "Intel Moorestown Platform Langwell GPIO support"
+	bool "Intel Langwell/Penwell GPIO support"
 	depends on PCI
 	help
-	  Say Y here to support Intel Moorestown platform GPIO.
+	  Say Y here to support Intel Langwell/Penwell GPIO.
 
 config GPIO_TIMBERDALE
 	bool "Support for timberdale GPIO IP"
diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c
index 00c3a14127a..8383a8d7f99 100644
--- a/drivers/gpio/langwell_gpio.c
+++ b/drivers/gpio/langwell_gpio.c
@@ -17,6 +17,7 @@
 
 /* Supports:
  * Moorestown platform Langwell chip.
+ * Medfield platform Penwell chip.
  */
 
 #include <linux/module.h>
@@ -31,44 +32,65 @@
 #include <linux/gpio.h>
 #include <linux/slab.h>
 
-struct lnw_gpio_register {
-	u32	GPLR[2];
-	u32	GPDR[2];
-	u32	GPSR[2];
-	u32	GPCR[2];
-	u32	GRER[2];
-	u32	GFER[2];
-	u32	GEDR[2];
+/*
+ * Langwell chip has 64 pins and thus there are 2 32bit registers to control
+ * each feature, while Penwell chip has 96 pins for each block, and need 3 32bit
+ * registers to control them, so we only define the order here instead of a
+ * structure, to get a bit offset for a pin (use GPDR as an example):
+ *
+ * nreg = ngpio / 32;
+ * reg = offset / 32;
+ * bit = offset % 32;
+ * reg_addr = reg_base + GPDR * nreg * 4 + reg * 4;
+ *
+ * so the bit of reg_addr is to control pin offset's GPDR feature
+*/
+
+enum GPIO_REG {
+	GPLR = 0,	/* pin level read-only */
+	GPDR,		/* pin direction */
+	GPSR,		/* pin set */
+	GPCR,		/* pin clear */
+	GRER,		/* rising edge detect */
+	GFER,		/* falling edge detect */
+	GEDR,		/* edge detect result */
 };
 
 struct lnw_gpio {
 	struct gpio_chip		chip;
-	struct lnw_gpio_register 	*reg_base;
+	void				*reg_base;
 	spinlock_t			lock;
 	unsigned			irq_base;
 };
 
-static int lnw_gpio_get(struct gpio_chip *chip, unsigned offset)
+static void __iomem *gpio_reg(struct gpio_chip *chip, unsigned offset,
+			enum GPIO_REG reg_type)
 {
 	struct lnw_gpio *lnw = container_of(chip, struct lnw_gpio, chip);
+	unsigned nreg = chip->ngpio / 32;
 	u8 reg = offset / 32;
-	void __iomem *gplr;
+	void __iomem *ptr;
+
+	ptr = (void __iomem *)(lnw->reg_base + reg_type * nreg * 4 + reg * 4);
+	return ptr;
+}
+
+static int lnw_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+	void __iomem *gplr = gpio_reg(chip, offset, GPLR);
 
-	gplr = (void __iomem *)(&lnw->reg_base->GPLR[reg]);
 	return readl(gplr) & BIT(offset % 32);
 }
 
 static void lnw_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 {
-	struct lnw_gpio *lnw = container_of(chip, struct lnw_gpio, chip);
-	u8 reg = offset / 32;
 	void __iomem *gpsr, *gpcr;
 
 	if (value) {
-		gpsr = (void __iomem *)(&lnw->reg_base->GPSR[reg]);
+		gpsr = gpio_reg(chip, offset, GPSR);
 		writel(BIT(offset % 32), gpsr);
 	} else {
-		gpcr = (void __iomem *)(&lnw->reg_base->GPCR[reg]);
+		gpcr = gpio_reg(chip, offset, GPCR);
 		writel(BIT(offset % 32), gpcr);
 	}
 }
@@ -76,12 +98,10 @@ static void lnw_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 static int lnw_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 {
 	struct lnw_gpio *lnw = container_of(chip, struct lnw_gpio, chip);
-	u8 reg = offset / 32;
+	void __iomem *gpdr = gpio_reg(chip, offset, GPDR);
 	u32 value;
 	unsigned long flags;
-	void __iomem *gpdr;
 
-	gpdr = (void __iomem *)(&lnw->reg_base->GPDR[reg]);
 	spin_lock_irqsave(&lnw->lock, flags);
 	value = readl(gpdr);
 	value &= ~BIT(offset % 32);
@@ -94,12 +114,10 @@ static int lnw_gpio_direction_output(struct gpio_chip *chip,
 			unsigned offset, int value)
 {
 	struct lnw_gpio *lnw = container_of(chip, struct lnw_gpio, chip);
-	u8 reg = offset / 32;
+	void __iomem *gpdr = gpio_reg(chip, offset, GPDR);
 	unsigned long flags;
-	void __iomem *gpdr;
 
 	lnw_gpio_set(chip, offset, value);
-	gpdr = (void __iomem *)(&lnw->reg_base->GPDR[reg]);
 	spin_lock_irqsave(&lnw->lock, flags);
 	value = readl(gpdr);
 	value |= BIT(offset % 32);;
@@ -118,11 +136,10 @@ static int lnw_irq_type(unsigned irq, unsigned type)
 {
 	struct lnw_gpio *lnw = get_irq_chip_data(irq);
 	u32 gpio = irq - lnw->irq_base;
-	u8 reg = gpio / 32;
 	unsigned long flags;
 	u32 value;
-	void __iomem *grer = (void __iomem *)(&lnw->reg_base->GRER[reg]);
-	void __iomem *gfer = (void __iomem *)(&lnw->reg_base->GFER[reg]);
+	void __iomem *grer = gpio_reg(&lnw->chip, gpio, GRER);
+	void __iomem *gfer = gpio_reg(&lnw->chip, gpio, GFER);
 
 	if (gpio >= lnw->chip.ngpio)
 		return -EINVAL;
@@ -158,8 +175,10 @@ static struct irq_chip lnw_irqchip = {
 	.set_type	= lnw_irq_type,
 };
 
-static struct pci_device_id lnw_gpio_ids[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080f) },
+static DEFINE_PCI_DEVICE_TABLE(lnw_gpio_ids) = {   /* pin number */
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080f), .driver_data = 64 },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x081f), .driver_data = 96 },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x081a), .driver_data = 96 },
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, lnw_gpio_ids);
@@ -167,17 +186,17 @@ MODULE_DEVICE_TABLE(pci, lnw_gpio_ids);
 static void lnw_irq_handler(unsigned irq, struct irq_desc *desc)
 {
 	struct lnw_gpio *lnw = (struct lnw_gpio *)get_irq_data(irq);
-	u32 reg, gpio;
+	u32 base, gpio;
 	void __iomem *gedr;
 	u32 gedr_v;
 
 	/* check GPIO controller to check which pin triggered the interrupt */
-	for (reg = 0; reg < lnw->chip.ngpio / 32; reg++) {
-		gedr = (void __iomem *)(&lnw->reg_base->GEDR[reg]);
+	for (base = 0; base < lnw->chip.ngpio; base += 32) {
+		gedr = gpio_reg(&lnw->chip, base, GEDR);
 		gedr_v = readl(gedr);
 		if (!gedr_v)
 			continue;
-		for (gpio = reg*32; gpio < reg*32+32; gpio++)
+		for (gpio = base; gpio < base + 32; gpio++)
 			if (gedr_v & BIT(gpio % 32)) {
 				pr_debug("pin %d triggered\n", gpio);
 				generic_handle_irq(lnw->irq_base + gpio);
@@ -245,7 +264,7 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
 	lnw->chip.set = lnw_gpio_set;
 	lnw->chip.to_irq = lnw_gpio_to_irq;
 	lnw->chip.base = gpio_base;
-	lnw->chip.ngpio = 64;
+	lnw->chip.ngpio = id->driver_data;
 	lnw->chip.can_sleep = 0;
 	pci_set_drvdata(pdev, lnw);
 	retval = gpiochip_add(&lnw->chip);

From 48baa18b250d5e36ed9f9bb04cdf812d74da08ca Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Wed, 26 May 2010 14:42:26 -0700
Subject: [PATCH 3311/3638] drivers/gpio/it8761e_gpio: check return value of
 gpiochip_remove()

This eliminates the following build warning:

drivers/gpio/it8761e_gpio.c: In function `it8761e_gpio_exit':
drivers/gpio/it8761e_gpio.c:220: warning: ignoring return value of `gpiochip_remove', declared with attribute warn_unused_result

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/it8761e_gpio.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/it8761e_gpio.c b/drivers/gpio/it8761e_gpio.c
index 41a9388f2fd..48fc43c4bdd 100644
--- a/drivers/gpio/it8761e_gpio.c
+++ b/drivers/gpio/it8761e_gpio.c
@@ -217,7 +217,10 @@ gpiochip_add_err:
 static void __exit it8761e_gpio_exit(void)
 {
 	if (gpio_ba) {
-		gpiochip_remove(&it8761e_gpio_chip);
+		int ret = gpiochip_remove(&it8761e_gpio_chip);
+
+		WARN(ret, "%s(): gpiochip_remove() failed, ret=%d\n",
+				__func__, ret);
 
 		release_region(gpio_ba, GPIO_IOSIZE);
 		gpio_ba = 0;

From 9966c4fea578bcf356c35cdf184cdacde495bc2c Mon Sep 17 00:00:00 2001
From: Ondrej Zary <linux@rainbow-software.org>
Date: Wed, 26 May 2010 14:42:27 -0700
Subject: [PATCH 3312/3638] add support for S3 Trio3D/1X/2X

Add support for S3 Trio3D/1X (86C360) and S3 Trio3D/2X (86C362 and 86C368)
cards to s3fb driver.  Tested with 86C362 AGP and 86C368 PCI&AGP.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Acked-by: Ondrej Zajicek <santiago@crfreenet.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/s3fb.c | 101 ++++++++++++++++++++++++++++++++++---------
 1 file changed, 81 insertions(+), 20 deletions(-)

diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index d4471b4c037..dce8c97b433 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -71,7 +71,8 @@ static const char * const s3_names[] = {"S3 Unknown", "S3 Trio32", "S3 Trio64",
 			"S3 Trio64UV+", "S3 Trio64V2/DX", "S3 Trio64V2/GX",
 			"S3 Plato/PX", "S3 Aurora64VP", "S3 Virge",
 			"S3 Virge/VX", "S3 Virge/DX", "S3 Virge/GX",
-			"S3 Virge/GX2", "S3 Virge/GX2P", "S3 Virge/GX2P"};
+			"S3 Virge/GX2", "S3 Virge/GX2P", "S3 Virge/GX2P",
+			"S3 Trio3D/1X", "S3 Trio3D/2X", "S3 Trio3D/2X"};
 
 #define CHIP_UNKNOWN		0x00
 #define CHIP_732_TRIO32		0x01
@@ -89,10 +90,14 @@ static const char * const s3_names[] = {"S3 Unknown", "S3 Trio32", "S3 Trio64",
 #define CHIP_356_VIRGE_GX2	0x0D
 #define CHIP_357_VIRGE_GX2P	0x0E
 #define CHIP_359_VIRGE_GX2P	0x0F
+#define CHIP_360_TRIO3D_1X	0x10
+#define CHIP_362_TRIO3D_2X	0x11
+#define CHIP_368_TRIO3D_2X	0x12
 
 #define CHIP_XXX_TRIO		0x80
 #define CHIP_XXX_TRIO64V2_DXGX	0x81
 #define CHIP_XXX_VIRGE_DXGX	0x82
+#define CHIP_36X_TRIO3D_1X_2X	0x83
 
 #define CHIP_UNDECIDED_FLAG	0x80
 #define CHIP_MASK		0xFF
@@ -324,6 +329,7 @@ static void s3fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 
 static void s3_set_pixclock(struct fb_info *info, u32 pixclock)
 {
+	struct s3fb_info *par = info->par;
 	u16 m, n, r;
 	u8 regval;
 	int rv;
@@ -339,7 +345,13 @@ static void s3_set_pixclock(struct fb_info *info, u32 pixclock)
 	vga_w(NULL, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD);
 
 	/* Set S3 clock registers */
-	vga_wseq(NULL, 0x12, ((n - 2) | (r << 5)));
+	if (par->chip == CHIP_360_TRIO3D_1X ||
+	    par->chip == CHIP_362_TRIO3D_2X ||
+	    par->chip == CHIP_368_TRIO3D_2X) {
+		vga_wseq(NULL, 0x12, (n - 2) | ((r & 3) << 6));	/* n and two bits of r */
+		vga_wseq(NULL, 0x29, r >> 2); /* remaining highest bit of r */
+	} else
+		vga_wseq(NULL, 0x12, (n - 2) | (r << 5));
 	vga_wseq(NULL, 0x13, m - 2);
 
 	udelay(1000);
@@ -456,7 +468,7 @@ static int s3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 static int s3fb_set_par(struct fb_info *info)
 {
 	struct s3fb_info *par = info->par;
-	u32 value, mode, hmul, offset_value, screen_size, multiplex;
+	u32 value, mode, hmul, offset_value, screen_size, multiplex, dbytes;
 	u32 bpp = info->var.bits_per_pixel;
 
 	if (bpp != 0) {
@@ -518,7 +530,7 @@ static int s3fb_set_par(struct fb_info *info)
 	svga_wcrt_mask(0x33, 0x00, 0x08); /* no DDR ?	*/
 	svga_wcrt_mask(0x43, 0x00, 0x01); /* no DDR ?	*/
 
-	svga_wcrt_mask(0x5D, 0x00, 0x28); // Clear strange HSlen bits
+	svga_wcrt_mask(0x5D, 0x00, 0x28); /* Clear strange HSlen bits */
 
 /*	svga_wcrt_mask(0x58, 0x03, 0x03); */
 
@@ -530,10 +542,14 @@ static int s3fb_set_par(struct fb_info *info)
 	pr_debug("fb%d: offset register       : %d\n", info->node, offset_value);
 	svga_wcrt_multi(s3_offset_regs, offset_value);
 
-	vga_wcrt(NULL, 0x54, 0x18); /* M parameter */
-	vga_wcrt(NULL, 0x60, 0xff); /* N parameter */
-	vga_wcrt(NULL, 0x61, 0xff); /* L parameter */
-	vga_wcrt(NULL, 0x62, 0xff); /* L parameter */
+	if (par->chip != CHIP_360_TRIO3D_1X &&
+	    par->chip != CHIP_362_TRIO3D_2X &&
+	    par->chip != CHIP_368_TRIO3D_2X) {
+		vga_wcrt(NULL, 0x54, 0x18); /* M parameter */
+		vga_wcrt(NULL, 0x60, 0xff); /* N parameter */
+		vga_wcrt(NULL, 0x61, 0xff); /* L parameter */
+		vga_wcrt(NULL, 0x62, 0xff); /* L parameter */
+	}
 
 	vga_wcrt(NULL, 0x3A, 0x35);
 	svga_wattr(0x33, 0x00);
@@ -570,6 +586,16 @@ static int s3fb_set_par(struct fb_info *info)
 		vga_wcrt(NULL, 0x66, 0x90);
 	}
 
+	if (par->chip == CHIP_360_TRIO3D_1X ||
+	    par->chip == CHIP_362_TRIO3D_2X ||
+	    par->chip == CHIP_368_TRIO3D_2X) {
+		dbytes = info->var.xres * ((bpp+7)/8);
+		vga_wcrt(NULL, 0x91, (dbytes + 7) / 8);
+		vga_wcrt(NULL, 0x90, (((dbytes + 7) / 8) >> 8) | 0x80);
+
+		vga_wcrt(NULL, 0x66, 0x81);
+	}
+
 	svga_wcrt_mask(0x31, 0x00, 0x40);
 	multiplex = 0;
 	hmul = 1;
@@ -615,11 +641,13 @@ static int s3fb_set_par(struct fb_info *info)
 		break;
 	case 3:
 		pr_debug("fb%d: 8 bit pseudocolor\n", info->node);
-		if (info->var.pixclock > 20000) {
-			svga_wcrt_mask(0x50, 0x00, 0x30);
+		svga_wcrt_mask(0x50, 0x00, 0x30);
+		if (info->var.pixclock > 20000 ||
+		    par->chip == CHIP_360_TRIO3D_1X ||
+		    par->chip == CHIP_362_TRIO3D_2X ||
+		    par->chip == CHIP_368_TRIO3D_2X)
 			svga_wcrt_mask(0x67, 0x00, 0xF0);
-		} else {
-			svga_wcrt_mask(0x50, 0x00, 0x30);
+		else {
 			svga_wcrt_mask(0x67, 0x10, 0xF0);
 			multiplex = 1;
 		}
@@ -634,7 +662,10 @@ static int s3fb_set_par(struct fb_info *info)
 		} else {
 			svga_wcrt_mask(0x50, 0x10, 0x30);
 			svga_wcrt_mask(0x67, 0x30, 0xF0);
-			hmul = 2;
+			if (par->chip != CHIP_360_TRIO3D_1X &&
+			    par->chip != CHIP_362_TRIO3D_2X &&
+			    par->chip != CHIP_368_TRIO3D_2X)
+				hmul = 2;
 		}
 		break;
 	case 5:
@@ -647,7 +678,10 @@ static int s3fb_set_par(struct fb_info *info)
 		} else {
 			svga_wcrt_mask(0x50, 0x10, 0x30);
 			svga_wcrt_mask(0x67, 0x50, 0xF0);
-			hmul = 2;
+			if (par->chip != CHIP_360_TRIO3D_1X &&
+			    par->chip != CHIP_362_TRIO3D_2X &&
+			    par->chip != CHIP_368_TRIO3D_2X)
+				hmul = 2;
 		}
 		break;
 	case 6:
@@ -866,6 +900,17 @@ static int __devinit s3_identification(int chip)
 			return CHIP_385_VIRGE_GX;
 	}
 
+	if (chip == CHIP_36X_TRIO3D_1X_2X) {
+		switch (vga_rcrt(NULL, 0x2f)) {
+		case 0x00:
+			return CHIP_360_TRIO3D_1X;
+		case 0x01:
+			return CHIP_362_TRIO3D_2X;
+		case 0x02:
+			return CHIP_368_TRIO3D_2X;
+		}
+	}
+
 	return CHIP_UNKNOWN;
 }
 
@@ -930,17 +975,32 @@ static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i
 	vga_wcrt(NULL, 0x38, 0x48);
 	vga_wcrt(NULL, 0x39, 0xA5);
 
-	/* Find how many physical memory there is on card */
-	/* 0x36 register is accessible even if other registers are locked */
-	regval = vga_rcrt(NULL, 0x36);
-	info->screen_size = s3_memsizes[regval >> 5] << 10;
-	info->fix.smem_len = info->screen_size;
-
+	/* Identify chip type */
 	par->chip = id->driver_data & CHIP_MASK;
 	par->rev = vga_rcrt(NULL, 0x2f);
 	if (par->chip & CHIP_UNDECIDED_FLAG)
 		par->chip = s3_identification(par->chip);
 
+	/* Find how many physical memory there is on card */
+	/* 0x36 register is accessible even if other registers are locked */
+	regval = vga_rcrt(NULL, 0x36);
+	if (par->chip == CHIP_360_TRIO3D_1X ||
+	    par->chip == CHIP_362_TRIO3D_2X ||
+	    par->chip == CHIP_368_TRIO3D_2X) {
+		switch ((regval & 0xE0) >> 5) {
+		case 0: /* 8MB -- only 4MB usable for display */
+		case 1: /* 4MB with 32-bit bus */
+		case 2:	/* 4MB */
+			info->screen_size = 4 << 20;
+			break;
+		case 6: /* 2MB */
+			info->screen_size = 2 << 20;
+			break;
+		}
+	} else
+		info->screen_size = s3_memsizes[regval >> 5] << 10;
+	info->fix.smem_len = info->screen_size;
+
 	/* Find MCLK frequency */
 	regval = vga_rseq(NULL, 0x10);
 	par->mclk_freq = ((vga_rseq(NULL, 0x11) + 2) * 14318) / ((regval & 0x1F)  + 2);
@@ -1131,6 +1191,7 @@ static struct pci_device_id s3_devices[] __devinitdata = {
 	{PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8A10), .driver_data = CHIP_356_VIRGE_GX2},
 	{PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8A11), .driver_data = CHIP_357_VIRGE_GX2P},
 	{PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8A12), .driver_data = CHIP_359_VIRGE_GX2P},
+	{PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8A13), .driver_data = CHIP_36X_TRIO3D_1X_2X},
 
 	{0, 0, 0, 0, 0, 0, 0}
 };

From a51faabc666c054cb2d983fcd5152aa6d0b80604 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:42:29 -0700
Subject: [PATCH 3313/3638] drivers/video/via: use memdup_user

Use memdup_user when user data is immediately copied into the
allocated region.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = memdup_user(from,size);
   if (
-      to==NULL
+      IS_ERR(to)
                 || ...) {
   <+... when != goto l1;
-  -ENOMEM
+  PTR_ERR(to)
   ...+>
   }
-  if (copy_from_user(to, from, size) != 0) {
-    <+... when != goto l2;
-    -EFAULT
-    ...+>
-  }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/via/viafbdev.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 2bc40e682f9..1082541358f 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -578,14 +578,9 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 		break;
 
 	case VIAFB_SET_GAMMA_LUT:
-		viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
-		if (!viafb_gamma_table)
-			return -ENOMEM;
-		if (copy_from_user(viafb_gamma_table, argp,
-				256 * sizeof(u32))) {
-			kfree(viafb_gamma_table);
-			return -EFAULT;
-		}
+		viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
+		if (IS_ERR(viafb_gamma_table))
+			return PTR_ERR(viafb_gamma_table);
 		viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 		kfree(viafb_gamma_table);
 		break;

From d11991cbacaa9283de2b6e362e7ec5f21bc40044 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 26 May 2010 14:42:30 -0700
Subject: [PATCH 3314/3638] fbdev: bfin-t350mcqb-fb: avoid unused warnings in
 backlight code

The current backlight code is stubbed out, so the new props changes added
some warnings about unused label/prop.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/bfin-t350mcqb-fb.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index c2ec3dcd4e9..7a50272eaab 100644
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -420,7 +420,9 @@ static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id)
 
 static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 {
+#ifndef NO_BL_SUPPORT
 	struct backlight_properties props;
+#endif
 	struct bfin_t350mcqbfb_info *info;
 	struct fb_info *fbinfo;
 	int ret;
@@ -550,7 +552,8 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 		printk(KERN_ERR DRIVER_NAME
 			": unable to register backlight.\n");
 		ret = -EINVAL;
-		goto out9;
+		unregister_framebuffer(fbinfo);
+		goto out8;
 	}
 
 	lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops);
@@ -559,8 +562,6 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 
 	return 0;
 
-out9:
-	unregister_framebuffer(fbinfo);
 out8:
 	free_irq(info->irq, info);
 out7:

From 8fc809d17984f18fbad7ae23e47a62b195969c19 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 26 May 2010 14:42:31 -0700
Subject: [PATCH 3315/3638] fbdev: bf54x-lq043fb: fix unused warnings with
 backlight code

The current backlight code is stubbed out, so the new props changes added
some warnings:
drivers/video/bf54x-lq043fb.c: In function 'bfin_bf54x_probe':
drivers/video/bf54x-lq043fb.c:666: warning: label 'out9' defined but not used
drivers/video/bf54x-lq043fb.c:504: warning: unused variable 'props'

Fix em !

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/bf54x-lq043fb.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index 23b2a8c0dbf..b020ba7f1cf 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -501,7 +501,9 @@ static irqreturn_t bfin_bf54x_irq_error(int irq, void *dev_id)
 
 static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 {
+#ifndef NO_BL_SUPPORT
 	struct backlight_properties props;
+#endif
 	struct bfin_bf54xfb_info *info;
 	struct fb_info *fbinfo;
 	int ret;
@@ -654,7 +656,8 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 		printk(KERN_ERR DRIVER_NAME
 			": unable to register backlight.\n");
 		ret = -EINVAL;
-		goto out9;
+		unregister_framebuffer(fbinfo);
+		goto out8;
 	}
 
 	lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops);
@@ -663,8 +666,6 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 
 	return 0;
 
-out9:
-	unregister_framebuffer(fbinfo);
 out8:
 	free_irq(info->irq, info);
 out7:

From b8d6b0d6b6882a53e4586a07e1292223d55299d1 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:42:32 -0700
Subject: [PATCH 3316/3638] drivers/telephony/ixj.c: use memdup_user

Use memdup_user when user data is immediately copied into the
allocated region.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = memdup_user(from,size);
   if (
-      to==NULL
+      IS_ERR(to)
                 || ...) {
   <+... when != goto l1;
-  -ENOMEM
+  PTR_ERR(to)
   ...+>
   }
-  if (copy_from_user(to, from, size) != 0) {
-    <+... when != goto l2;
-    -EFAULT
-    ...+>
-  }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/telephony/ixj.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index e89304c7256..b53deee25d7 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -5879,20 +5879,13 @@ out:
 static int ixj_build_filter_cadence(IXJ *j, IXJ_FILTER_CADENCE __user * cp)
 {
 	IXJ_FILTER_CADENCE *lcp;
-	lcp = kmalloc(sizeof(IXJ_FILTER_CADENCE), GFP_KERNEL);
-	if (lcp == NULL) {
+	lcp = memdup_user(cp, sizeof(IXJ_FILTER_CADENCE));
+	if (IS_ERR(lcp)) {
 		if(ixjdebug & 0x0001) {
-			printk(KERN_INFO "Could not allocate memory for cadence\n");
+			printk(KERN_INFO "Could not allocate memory for cadence or could not copy cadence to kernel\n");
 		}
-		return -ENOMEM;
+		return PTR_ERR(lcp);
         }
-	if (copy_from_user(lcp, cp, sizeof(IXJ_FILTER_CADENCE))) {
-		if(ixjdebug & 0x0001) {
-			printk(KERN_INFO "Could not copy cadence to kernel\n");
-		}
-		kfree(lcp);
-		return -EFAULT;
-	}
 	if (lcp->filter > 5) {
 		if(ixjdebug & 0x0001) {
 			printk(KERN_INFO "Cadence out of range\n");

From d27d7a9a7838587fcdcc6f2b042f5610eb4984a1 Mon Sep 17 00:00:00 2001
From: Thomas Stewart <thomas@stewarts.org.uk>
Date: Wed, 26 May 2010 14:42:33 -0700
Subject: [PATCH 3317/3638] ufs: permit mounting of BorderWare filesystems

I recently had to recover some files from an old broken machine that was
running BorderWare Document Gateway.  It's basically a drop in web server
for sharing files.  From the look of the init process and using strings on
of a few files it seems to be based on FreeBSD 3.3.

The process turned out to be more difficult than I imagined, but to cut a
long story short BorderWare in their wisdom use a nonstandard magic number
in their UFS (ufstype=44bsd) file systems.  Thus Linux refuses to mount
the file systems in order to recover the data.  After a bit of hunting I
was able to make a quick fix to fs/ufs/super.c in order to detect the new
magic number.

I assume that this number is the same for all installations.  It's quite
easy to find out from ufs_fs.h.  The superblock sits 8k into the block
device and the magic number its 1372 bytes into the superblock struct.

# dd if=/dev/sda5 skip=$(( 8192 + 1372 )) bs=1 count=4 2> /dev/null | hd
00000000  97 26 24 0f                                       |.&$.|
#

Signed-off-by: Thomas Stewart <thomas@stewarts.org.uk>
Cc: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ufs/super.c  | 2 ++
 fs/ufs/ufs_fs.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 14743d935a9..ad9bc1ebd3a 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -918,6 +918,7 @@ again:
 	sbi->s_bytesex = BYTESEX_LE;
 	switch ((uspi->fs_magic = fs32_to_cpu(sb, usb3->fs_magic))) {
 		case UFS_MAGIC:
+		case UFS_MAGIC_BW:
 		case UFS2_MAGIC:
 		case UFS_MAGIC_LFN:
 	        case UFS_MAGIC_FEA:
@@ -927,6 +928,7 @@ again:
 	sbi->s_bytesex = BYTESEX_BE;
 	switch ((uspi->fs_magic = fs32_to_cpu(sb, usb3->fs_magic))) {
 		case UFS_MAGIC:
+		case UFS_MAGIC_BW:
 		case UFS2_MAGIC:
 		case UFS_MAGIC_LFN:
 	        case UFS_MAGIC_FEA:
diff --git a/fs/ufs/ufs_fs.h b/fs/ufs/ufs_fs.h
index 6943ec677c0..8aba544f9fa 100644
--- a/fs/ufs/ufs_fs.h
+++ b/fs/ufs/ufs_fs.h
@@ -48,6 +48,7 @@ typedef __u16 __bitwise __fs16;
 #define UFS_SECTOR_SIZE 512
 #define UFS_SECTOR_BITS 9
 #define UFS_MAGIC  0x00011954
+#define UFS_MAGIC_BW 0x0f242697
 #define UFS2_MAGIC 0x19540119
 #define UFS_CIGAM  0x54190100 /* byteswapped MAGIC */
 

From 6d06b81bce5f325055e4cdf6621e827b512b7f89 Mon Sep 17 00:00:00 2001
From: "Arce, Abraham" <x0066660@ti.com>
Date: Wed, 26 May 2010 14:42:34 -0700
Subject: [PATCH 3318/3638] Documentation: SubmittingDrivers: Resources

- Add additional location (Git) for the kernel master tree
- Add reference to Git Project

Signed-off-by: Abraham Arce <x0066660@ti.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/SubmittingDrivers | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/SubmittingDrivers b/Documentation/SubmittingDrivers
index 99e72a81fa2..4947fd8fb18 100644
--- a/Documentation/SubmittingDrivers
+++ b/Documentation/SubmittingDrivers
@@ -130,6 +130,8 @@ Linux kernel master tree:
 	ftp.??.kernel.org:/pub/linux/kernel/...
 	?? == your country code, such as "us", "uk", "fr", etc.
 
+	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git
+
 Linux kernel mailing list:
 	linux-kernel@vger.kernel.org
 	[mail majordomo@vger.kernel.org to subscribe]
@@ -160,3 +162,6 @@ How to NOT write kernel driver by Arjan van de Ven:
 
 Kernel Janitor:
 	http://janitor.kernelnewbies.org/
+
+GIT, Fast Version Control System:
+	http://git-scm.com/

From 595f4b694c2424f2af6e1de74c955bbe9cd7b73d Mon Sep 17 00:00:00 2001
From: Trevor Woerner <twoerner@gmail.com>
Date: Wed, 26 May 2010 14:42:35 -0700
Subject: [PATCH 3319/3638] Documentation/cgroups/cgroups.txt: fix reference to
 "numtasks"

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/cgroups/cgroups.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt
index 57444c2609f..b34823ff164 100644
--- a/Documentation/cgroups/cgroups.txt
+++ b/Documentation/cgroups/cgroups.txt
@@ -339,7 +339,7 @@ To mount a cgroup hierarchy with all available subsystems, type:
 The "xxx" is not interpreted by the cgroup code, but will appear in
 /proc/mounts so may be any useful identifying string that you like.
 
-To mount a cgroup hierarchy with just the cpuset and numtasks
+To mount a cgroup hierarchy with just the cpuset and memory
 subsystems, type:
 # mount -t cgroup -o cpuset,memory hier1 /dev/cgroup
 

From dc98df5a1b7be402a0e1c71f1b89ccf249ac15ee Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Wed, 26 May 2010 14:42:36 -0700
Subject: [PATCH 3320/3638] memcg: oom wakeup filter

memcg's oom waitqueue is a system-wide wait_queue (for handling
hierarchy.) So, it's better to add custom wake function and do filtering
in wake up path.

This patch adds a filtering feature for waking up oom-waiters.  Hierarchy
is properly handled.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 63 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 46 insertions(+), 17 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c8569bc298f..94ac208b149 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1293,14 +1293,56 @@ static void mem_cgroup_oom_unlock(struct mem_cgroup *mem)
 static DEFINE_MUTEX(memcg_oom_mutex);
 static DECLARE_WAIT_QUEUE_HEAD(memcg_oom_waitq);
 
+struct oom_wait_info {
+	struct mem_cgroup *mem;
+	wait_queue_t	wait;
+};
+
+static int memcg_oom_wake_function(wait_queue_t *wait,
+	unsigned mode, int sync, void *arg)
+{
+	struct mem_cgroup *wake_mem = (struct mem_cgroup *)arg;
+	struct oom_wait_info *oom_wait_info;
+
+	oom_wait_info = container_of(wait, struct oom_wait_info, wait);
+
+	if (oom_wait_info->mem == wake_mem)
+		goto wakeup;
+	/* if no hierarchy, no match */
+	if (!oom_wait_info->mem->use_hierarchy || !wake_mem->use_hierarchy)
+		return 0;
+	/*
+	 * Both of oom_wait_info->mem and wake_mem are stable under us.
+	 * Then we can use css_is_ancestor without taking care of RCU.
+	 */
+	if (!css_is_ancestor(&oom_wait_info->mem->css, &wake_mem->css) &&
+	    !css_is_ancestor(&wake_mem->css, &oom_wait_info->mem->css))
+		return 0;
+
+wakeup:
+	return autoremove_wake_function(wait, mode, sync, arg);
+}
+
+static void memcg_wakeup_oom(struct mem_cgroup *mem)
+{
+	/* for filtering, pass "mem" as argument. */
+	__wake_up(&memcg_oom_waitq, TASK_NORMAL, 0, mem);
+}
+
 /*
  * try to call OOM killer. returns false if we should exit memory-reclaim loop.
  */
 bool mem_cgroup_handle_oom(struct mem_cgroup *mem, gfp_t mask)
 {
-	DEFINE_WAIT(wait);
+	struct oom_wait_info owait;
 	bool locked;
 
+	owait.mem = mem;
+	owait.wait.flags = 0;
+	owait.wait.func = memcg_oom_wake_function;
+	owait.wait.private = current;
+	INIT_LIST_HEAD(&owait.wait.task_list);
+
 	/* At first, try to OOM lock hierarchy under mem.*/
 	mutex_lock(&memcg_oom_mutex);
 	locked = mem_cgroup_oom_lock(mem);
@@ -1310,31 +1352,18 @@ bool mem_cgroup_handle_oom(struct mem_cgroup *mem, gfp_t mask)
 	 * under OOM is always welcomed, use TASK_KILLABLE here.
 	 */
 	if (!locked)
-		prepare_to_wait(&memcg_oom_waitq, &wait, TASK_KILLABLE);
+		prepare_to_wait(&memcg_oom_waitq, &owait.wait, TASK_KILLABLE);
 	mutex_unlock(&memcg_oom_mutex);
 
 	if (locked)
 		mem_cgroup_out_of_memory(mem, mask);
 	else {
 		schedule();
-		finish_wait(&memcg_oom_waitq, &wait);
+		finish_wait(&memcg_oom_waitq, &owait.wait);
 	}
 	mutex_lock(&memcg_oom_mutex);
 	mem_cgroup_oom_unlock(mem);
-	/*
-	 * Here, we use global waitq .....more fine grained waitq ?
-	 * Assume following hierarchy.
-	 * A/
-	 *   01
-	 *   02
-	 * assume OOM happens both in A and 01 at the same time. Tthey are
-	 * mutually exclusive by lock. (kill in 01 helps A.)
-	 * When we use per memcg waitq, we have to wake up waiters on A and 02
-	 * in addtion to waiters on 01. We use global waitq for avoiding mess.
-	 * It will not be a big problem.
-	 * (And a task may be moved to other groups while it's waiting for OOM.)
-	 */
-	wake_up_all(&memcg_oom_waitq);
+	memcg_wakeup_oom(mem);
 	mutex_unlock(&memcg_oom_mutex);
 
 	if (test_thread_flag(TIF_MEMDIE) || fatal_signal_pending(current))

From 9490ff275606da012d5b373342a49610ad61cb81 Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Wed, 26 May 2010 14:42:36 -0700
Subject: [PATCH 3321/3638] memcg: oom notifier

Considering containers or other resource management softwares in userland,
event notification of OOM in memcg should be implemented.  Now, memcg has
"threshold" notifier which uses eventfd, we can make use of it for oom
notification.

This patch adds oom notification eventfd callback for memcg.  The usage is
very similar to threshold notifier, but control file is memory.oom_control
and no arguments other than eventfd is required.

	% cgroup_event_notifier /cgroup/A/memory.oom_control dummy
	(About cgroup_event_notifier, see Documentation/cgroup/)

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: David Rientjes <rientjes@google.com>
Cc: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/cgroups/memory.txt |  20 ++++++-
 mm/memcontrol.c                  | 100 ++++++++++++++++++++++++++++---
 2 files changed, 111 insertions(+), 9 deletions(-)

diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index 6cab1f29da4..eac22d3b2f7 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -184,6 +184,9 @@ limits on the root cgroup.
 
 Note2: When panic_on_oom is set to "2", the whole system will panic.
 
+When oom event notifier is registered, event will be delivered.
+(See oom_control section)
+
 2. Locking
 
 The memory controller uses the following hierarchy
@@ -488,7 +491,22 @@ threshold in any direction.
 
 It's applicable for root and non-root cgroup.
 
-10. TODO
+10. OOM Control
+
+Memory controler implements oom notifier using cgroup notification
+API (See cgroups.txt). It allows to register multiple oom notification
+delivery and gets notification when oom happens.
+
+To register a notifier, application need:
+ - create an eventfd using eventfd(2)
+ - open memory.oom_control file
+ - write string like "<event_fd> <memory.oom_control>" to cgroup.event_control
+
+Application will be notifier through eventfd when oom happens.
+OOM notification doesn't work for root cgroup.
+
+
+11. TODO
 
 1. Add support for accounting huge pages (as a separate controller)
 2. Make per-cgroup scanner reclaim not-shared pages first
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 94ac208b149..da2ed391331 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -149,6 +149,7 @@ struct mem_cgroup_threshold {
 	u64 threshold;
 };
 
+/* For threshold */
 struct mem_cgroup_threshold_ary {
 	/* An array index points to threshold just below usage. */
 	atomic_t current_threshold;
@@ -157,8 +158,14 @@ struct mem_cgroup_threshold_ary {
 	/* Array of thresholds */
 	struct mem_cgroup_threshold entries[0];
 };
+/* for OOM */
+struct mem_cgroup_eventfd_list {
+	struct list_head list;
+	struct eventfd_ctx *eventfd;
+};
 
 static void mem_cgroup_threshold(struct mem_cgroup *mem);
+static void mem_cgroup_oom_notify(struct mem_cgroup *mem);
 
 /*
  * The memory controller data structure. The memory controller controls both
@@ -220,6 +227,9 @@ struct mem_cgroup {
 	/* thresholds for mem+swap usage. RCU-protected */
 	struct mem_cgroup_threshold_ary *memsw_thresholds;
 
+	/* For oom notifier event fd */
+	struct list_head oom_notify;
+
 	/*
 	 * Should we move charges of a task when a task is moved into this
 	 * mem_cgroup ? And what type of charges should we move ?
@@ -282,9 +292,12 @@ enum charge_type {
 /* for encoding cft->private value on file */
 #define _MEM			(0)
 #define _MEMSWAP		(1)
+#define _OOM_TYPE		(2)
 #define MEMFILE_PRIVATE(x, val)	(((x) << 16) | (val))
 #define MEMFILE_TYPE(val)	(((val) >> 16) & 0xffff)
 #define MEMFILE_ATTR(val)	((val) & 0xffff)
+/* Used for OOM nofiier */
+#define OOM_CONTROL		(0)
 
 /*
  * Reclaim flags for mem_cgroup_hierarchical_reclaim
@@ -1353,6 +1366,8 @@ bool mem_cgroup_handle_oom(struct mem_cgroup *mem, gfp_t mask)
 	 */
 	if (!locked)
 		prepare_to_wait(&memcg_oom_waitq, &owait.wait, TASK_KILLABLE);
+	else
+		mem_cgroup_oom_notify(mem);
 	mutex_unlock(&memcg_oom_mutex);
 
 	if (locked)
@@ -3398,8 +3413,22 @@ static int compare_thresholds(const void *a, const void *b)
 	return _a->threshold - _b->threshold;
 }
 
-static int mem_cgroup_register_event(struct cgroup *cgrp, struct cftype *cft,
-		struct eventfd_ctx *eventfd, const char *args)
+static int mem_cgroup_oom_notify_cb(struct mem_cgroup *mem, void *data)
+{
+	struct mem_cgroup_eventfd_list *ev;
+
+	list_for_each_entry(ev, &mem->oom_notify, list)
+		eventfd_signal(ev->eventfd, 1);
+	return 0;
+}
+
+static void mem_cgroup_oom_notify(struct mem_cgroup *mem)
+{
+	mem_cgroup_walk_tree(mem, NULL, mem_cgroup_oom_notify_cb);
+}
+
+static int mem_cgroup_usage_register_event(struct cgroup *cgrp,
+	struct cftype *cft, struct eventfd_ctx *eventfd, const char *args)
 {
 	struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
 	struct mem_cgroup_threshold_ary *thresholds, *thresholds_new;
@@ -3483,8 +3512,8 @@ unlock:
 	return ret;
 }
 
-static int mem_cgroup_unregister_event(struct cgroup *cgrp, struct cftype *cft,
-		struct eventfd_ctx *eventfd)
+static int mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
+	struct cftype *cft, struct eventfd_ctx *eventfd)
 {
 	struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
 	struct mem_cgroup_threshold_ary *thresholds, *thresholds_new;
@@ -3568,13 +3597,61 @@ unlock:
 	return ret;
 }
 
+static int mem_cgroup_oom_register_event(struct cgroup *cgrp,
+	struct cftype *cft, struct eventfd_ctx *eventfd, const char *args)
+{
+	struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
+	struct mem_cgroup_eventfd_list *event;
+	int type = MEMFILE_TYPE(cft->private);
+
+	BUG_ON(type != _OOM_TYPE);
+	event = kmalloc(sizeof(*event),	GFP_KERNEL);
+	if (!event)
+		return -ENOMEM;
+
+	mutex_lock(&memcg_oom_mutex);
+
+	event->eventfd = eventfd;
+	list_add(&event->list, &memcg->oom_notify);
+
+	/* already in OOM ? */
+	if (atomic_read(&memcg->oom_lock))
+		eventfd_signal(eventfd, 1);
+	mutex_unlock(&memcg_oom_mutex);
+
+	return 0;
+}
+
+static int mem_cgroup_oom_unregister_event(struct cgroup *cgrp,
+	struct cftype *cft, struct eventfd_ctx *eventfd)
+{
+	struct mem_cgroup *mem = mem_cgroup_from_cont(cgrp);
+	struct mem_cgroup_eventfd_list *ev, *tmp;
+	int type = MEMFILE_TYPE(cft->private);
+
+	BUG_ON(type != _OOM_TYPE);
+
+	mutex_lock(&memcg_oom_mutex);
+
+	list_for_each_entry_safe(ev, tmp, &mem->oom_notify, list) {
+		if (ev->eventfd == eventfd) {
+			list_del(&ev->list);
+			kfree(ev);
+		}
+	}
+
+	mutex_unlock(&memcg_oom_mutex);
+
+	return 0;
+}
+
 static struct cftype mem_cgroup_files[] = {
 	{
 		.name = "usage_in_bytes",
 		.private = MEMFILE_PRIVATE(_MEM, RES_USAGE),
 		.read_u64 = mem_cgroup_read,
-		.register_event = mem_cgroup_register_event,
-		.unregister_event = mem_cgroup_unregister_event,
+		.register_event = mem_cgroup_usage_register_event,
+		.unregister_event = mem_cgroup_usage_unregister_event,
 	},
 	{
 		.name = "max_usage_in_bytes",
@@ -3623,6 +3700,12 @@ static struct cftype mem_cgroup_files[] = {
 		.read_u64 = mem_cgroup_move_charge_read,
 		.write_u64 = mem_cgroup_move_charge_write,
 	},
+	{
+		.name = "oom_control",
+		.register_event = mem_cgroup_oom_register_event,
+		.unregister_event = mem_cgroup_oom_unregister_event,
+		.private = MEMFILE_PRIVATE(_OOM_TYPE, OOM_CONTROL),
+	},
 };
 
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
@@ -3631,8 +3714,8 @@ static struct cftype memsw_cgroup_files[] = {
 		.name = "memsw.usage_in_bytes",
 		.private = MEMFILE_PRIVATE(_MEMSWAP, RES_USAGE),
 		.read_u64 = mem_cgroup_read,
-		.register_event = mem_cgroup_register_event,
-		.unregister_event = mem_cgroup_unregister_event,
+		.register_event = mem_cgroup_usage_register_event,
+		.unregister_event = mem_cgroup_usage_unregister_event,
 	},
 	{
 		.name = "memsw.max_usage_in_bytes",
@@ -3878,6 +3961,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 	}
 	mem->last_scanned_child = 0;
 	spin_lock_init(&mem->reclaim_param_lock);
+	INIT_LIST_HEAD(&mem->oom_notify);
 
 	if (parent)
 		mem->swappiness = get_swappiness(parent);

From 3c11ecf448eff8f12922c498b8274ce98587eb74 Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Wed, 26 May 2010 14:42:37 -0700
Subject: [PATCH 3322/3638] memcg: oom kill disable and oom status

This adds a feature to disable oom-killer for memcg, if disabled, of
course, tasks under memcg will stop.

But now, we have oom-notifier for memcg.  And the world around memcg is
not under out-of-memory.  memcg's out-of-memory just shows memcg hits
limit.  Then, administrator or management daemon can recover the situation
by

	- kill some process
	- enlarge limit, add more swap.
	- migrate some tasks
	- remove file cache on tmps (difficult ?)

Unlike oom-killer, you can take enough information before killing tasks.
(by gcore, or, ps etc.)

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/cgroups/memory.txt |  23 +++++++
 mm/memcontrol.c                  | 113 +++++++++++++++++++++++++------
 2 files changed, 117 insertions(+), 19 deletions(-)

diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index eac22d3b2f7..44e7ded3344 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -493,6 +493,8 @@ It's applicable for root and non-root cgroup.
 
 10. OOM Control
 
+memory.oom_control file is for OOM notification and other controls.
+
 Memory controler implements oom notifier using cgroup notification
 API (See cgroups.txt). It allows to register multiple oom notification
 delivery and gets notification when oom happens.
@@ -505,6 +507,27 @@ To register a notifier, application need:
 Application will be notifier through eventfd when oom happens.
 OOM notification doesn't work for root cgroup.
 
+You can disable oom-killer by writing "1" to memory.oom_control file.
+As.
+	#echo 1 > memory.oom_control
+
+This operation is only allowed to the top cgroup of subhierarchy.
+If oom-killer is disabled, tasks under cgroup will hang/sleep
+in memcg's oom-waitq when they request accountable memory.
+
+For running them, you have to relax the memcg's oom sitaution by
+	* enlarge limit or reduce usage.
+To reduce usage,
+	* kill some tasks.
+	* move some tasks to other group with account migration.
+	* remove some files (on tmpfs?)
+
+Then, stopped tasks will work again.
+
+At reading, current status of OOM is shown.
+	oom_kill_disable 0 or 1 (if 1, oom-killer is disabled)
+	under_oom	 0 or 1 (if 1, the memcg is under OOM,tasks may
+				 be stopped.)
 
 11. TODO
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index da2ed391331..53eb30ebdb4 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -214,6 +214,8 @@ struct mem_cgroup {
 	atomic_t	refcnt;
 
 	unsigned int	swappiness;
+	/* OOM-Killer disable */
+	int		oom_kill_disable;
 
 	/* set when res.limit == memsw.limit */
 	bool		memsw_is_minimum;
@@ -235,7 +237,6 @@ struct mem_cgroup {
 	 * mem_cgroup ? And what type of charges should we move ?
 	 */
 	unsigned long 	move_charge_at_immigrate;
-
 	/*
 	 * percpu counter.
 	 */
@@ -1342,20 +1343,26 @@ static void memcg_wakeup_oom(struct mem_cgroup *mem)
 	__wake_up(&memcg_oom_waitq, TASK_NORMAL, 0, mem);
 }
 
+static void memcg_oom_recover(struct mem_cgroup *mem)
+{
+	if (mem->oom_kill_disable && atomic_read(&mem->oom_lock))
+		memcg_wakeup_oom(mem);
+}
+
 /*
  * try to call OOM killer. returns false if we should exit memory-reclaim loop.
  */
 bool mem_cgroup_handle_oom(struct mem_cgroup *mem, gfp_t mask)
 {
 	struct oom_wait_info owait;
-	bool locked;
+	bool locked, need_to_kill;
 
 	owait.mem = mem;
 	owait.wait.flags = 0;
 	owait.wait.func = memcg_oom_wake_function;
 	owait.wait.private = current;
 	INIT_LIST_HEAD(&owait.wait.task_list);
-
+	need_to_kill = true;
 	/* At first, try to OOM lock hierarchy under mem.*/
 	mutex_lock(&memcg_oom_mutex);
 	locked = mem_cgroup_oom_lock(mem);
@@ -1364,15 +1371,17 @@ bool mem_cgroup_handle_oom(struct mem_cgroup *mem, gfp_t mask)
 	 * accounting. So, UNINTERRUPTIBLE is appropriate. But SIGKILL
 	 * under OOM is always welcomed, use TASK_KILLABLE here.
 	 */
-	if (!locked)
-		prepare_to_wait(&memcg_oom_waitq, &owait.wait, TASK_KILLABLE);
-	else
+	prepare_to_wait(&memcg_oom_waitq, &owait.wait, TASK_KILLABLE);
+	if (!locked || mem->oom_kill_disable)
+		need_to_kill = false;
+	if (locked)
 		mem_cgroup_oom_notify(mem);
 	mutex_unlock(&memcg_oom_mutex);
 
-	if (locked)
+	if (need_to_kill) {
+		finish_wait(&memcg_oom_waitq, &owait.wait);
 		mem_cgroup_out_of_memory(mem, mask);
-	else {
+	} else {
 		schedule();
 		finish_wait(&memcg_oom_waitq, &owait.wait);
 	}
@@ -2162,15 +2171,6 @@ __do_uncharge(struct mem_cgroup *mem, const enum charge_type ctype)
 	/* If swapout, usage of swap doesn't decrease */
 	if (!do_swap_account || ctype == MEM_CGROUP_CHARGE_TYPE_SWAPOUT)
 		uncharge_memsw = false;
-	/*
-	 * do_batch > 0 when unmapping pages or inode invalidate/truncate.
-	 * In those cases, all pages freed continously can be expected to be in
-	 * the same cgroup and we have chance to coalesce uncharges.
-	 * But we do uncharge one by one if this is killed by OOM(TIF_MEMDIE)
-	 * because we want to do uncharge as soon as possible.
-	 */
-	if (!current->memcg_batch.do_batch || test_thread_flag(TIF_MEMDIE))
-		goto direct_uncharge;
 
 	batch = &current->memcg_batch;
 	/*
@@ -2180,6 +2180,17 @@ __do_uncharge(struct mem_cgroup *mem, const enum charge_type ctype)
 	 */
 	if (!batch->memcg)
 		batch->memcg = mem;
+	/*
+	 * do_batch > 0 when unmapping pages or inode invalidate/truncate.
+	 * In those cases, all pages freed continously can be expected to be in
+	 * the same cgroup and we have chance to coalesce uncharges.
+	 * But we do uncharge one by one if this is killed by OOM(TIF_MEMDIE)
+	 * because we want to do uncharge as soon as possible.
+	 */
+
+	if (!batch->do_batch || test_thread_flag(TIF_MEMDIE))
+		goto direct_uncharge;
+
 	/*
 	 * In typical case, batch->memcg == mem. This means we can
 	 * merge a series of uncharges to an uncharge of res_counter.
@@ -2196,6 +2207,8 @@ direct_uncharge:
 	res_counter_uncharge(&mem->res, PAGE_SIZE);
 	if (uncharge_memsw)
 		res_counter_uncharge(&mem->memsw, PAGE_SIZE);
+	if (unlikely(batch->memcg != mem))
+		memcg_oom_recover(mem);
 	return;
 }
 
@@ -2332,6 +2345,7 @@ void mem_cgroup_uncharge_end(void)
 		res_counter_uncharge(&batch->memcg->res, batch->bytes);
 	if (batch->memsw_bytes)
 		res_counter_uncharge(&batch->memcg->memsw, batch->memsw_bytes);
+	memcg_oom_recover(batch->memcg);
 	/* forget this pointer (for sanity check) */
 	batch->memcg = NULL;
 }
@@ -2568,10 +2582,11 @@ static int mem_cgroup_resize_limit(struct mem_cgroup *memcg,
 				unsigned long long val)
 {
 	int retry_count;
-	u64 memswlimit;
+	u64 memswlimit, memlimit;
 	int ret = 0;
 	int children = mem_cgroup_count_children(memcg);
 	u64 curusage, oldusage;
+	int enlarge;
 
 	/*
 	 * For keeping hierarchical_reclaim simple, how long we should retry
@@ -2582,6 +2597,7 @@ static int mem_cgroup_resize_limit(struct mem_cgroup *memcg,
 
 	oldusage = res_counter_read_u64(&memcg->res, RES_USAGE);
 
+	enlarge = 0;
 	while (retry_count) {
 		if (signal_pending(current)) {
 			ret = -EINTR;
@@ -2599,6 +2615,11 @@ static int mem_cgroup_resize_limit(struct mem_cgroup *memcg,
 			mutex_unlock(&set_limit_mutex);
 			break;
 		}
+
+		memlimit = res_counter_read_u64(&memcg->res, RES_LIMIT);
+		if (memlimit < val)
+			enlarge = 1;
+
 		ret = res_counter_set_limit(&memcg->res, val);
 		if (!ret) {
 			if (memswlimit == val)
@@ -2620,6 +2641,8 @@ static int mem_cgroup_resize_limit(struct mem_cgroup *memcg,
 		else
 			oldusage = curusage;
 	}
+	if (!ret && enlarge)
+		memcg_oom_recover(memcg);
 
 	return ret;
 }
@@ -2628,9 +2651,10 @@ static int mem_cgroup_resize_memsw_limit(struct mem_cgroup *memcg,
 					unsigned long long val)
 {
 	int retry_count;
-	u64 memlimit, oldusage, curusage;
+	u64 memlimit, memswlimit, oldusage, curusage;
 	int children = mem_cgroup_count_children(memcg);
 	int ret = -EBUSY;
+	int enlarge = 0;
 
 	/* see mem_cgroup_resize_res_limit */
  	retry_count = children * MEM_CGROUP_RECLAIM_RETRIES;
@@ -2652,6 +2676,9 @@ static int mem_cgroup_resize_memsw_limit(struct mem_cgroup *memcg,
 			mutex_unlock(&set_limit_mutex);
 			break;
 		}
+		memswlimit = res_counter_read_u64(&memcg->memsw, RES_LIMIT);
+		if (memswlimit < val)
+			enlarge = 1;
 		ret = res_counter_set_limit(&memcg->memsw, val);
 		if (!ret) {
 			if (memlimit == val)
@@ -2674,6 +2701,8 @@ static int mem_cgroup_resize_memsw_limit(struct mem_cgroup *memcg,
 		else
 			oldusage = curusage;
 	}
+	if (!ret && enlarge)
+		memcg_oom_recover(memcg);
 	return ret;
 }
 
@@ -2865,6 +2894,7 @@ move_account:
 			if (ret)
 				break;
 		}
+		memcg_oom_recover(mem);
 		/* it seems parent cgroup doesn't have enough mem */
 		if (ret == -ENOMEM)
 			goto try_to_free;
@@ -3645,6 +3675,46 @@ static int mem_cgroup_oom_unregister_event(struct cgroup *cgrp,
 	return 0;
 }
 
+static int mem_cgroup_oom_control_read(struct cgroup *cgrp,
+	struct cftype *cft,  struct cgroup_map_cb *cb)
+{
+	struct mem_cgroup *mem = mem_cgroup_from_cont(cgrp);
+
+	cb->fill(cb, "oom_kill_disable", mem->oom_kill_disable);
+
+	if (atomic_read(&mem->oom_lock))
+		cb->fill(cb, "under_oom", 1);
+	else
+		cb->fill(cb, "under_oom", 0);
+	return 0;
+}
+
+/*
+ */
+static int mem_cgroup_oom_control_write(struct cgroup *cgrp,
+	struct cftype *cft, u64 val)
+{
+	struct mem_cgroup *mem = mem_cgroup_from_cont(cgrp);
+	struct mem_cgroup *parent;
+
+	/* cannot set to root cgroup and only 0 and 1 are allowed */
+	if (!cgrp->parent || !((val == 0) || (val == 1)))
+		return -EINVAL;
+
+	parent = mem_cgroup_from_cont(cgrp->parent);
+
+	cgroup_lock();
+	/* oom-kill-disable is a flag for subhierarchy. */
+	if ((parent->use_hierarchy) ||
+	    (mem->use_hierarchy && !list_empty(&cgrp->children))) {
+		cgroup_unlock();
+		return -EINVAL;
+	}
+	mem->oom_kill_disable = val;
+	cgroup_unlock();
+	return 0;
+}
+
 static struct cftype mem_cgroup_files[] = {
 	{
 		.name = "usage_in_bytes",
@@ -3702,6 +3772,8 @@ static struct cftype mem_cgroup_files[] = {
 	},
 	{
 		.name = "oom_control",
+		.read_map = mem_cgroup_oom_control_read,
+		.write_u64 = mem_cgroup_oom_control_write,
 		.register_event = mem_cgroup_oom_register_event,
 		.unregister_event = mem_cgroup_oom_unregister_event,
 		.private = MEMFILE_PRIVATE(_OOM_TYPE, OOM_CONTROL),
@@ -3943,6 +4015,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 	} else {
 		parent = mem_cgroup_from_cont(cont->parent);
 		mem->use_hierarchy = parent->use_hierarchy;
+		mem->oom_kill_disable = parent->oom_kill_disable;
 	}
 
 	if (parent && parent->use_hierarchy) {
@@ -4215,6 +4288,7 @@ static void mem_cgroup_clear_mc(void)
 	if (mc.precharge) {
 		__mem_cgroup_cancel_charge(mc.to, mc.precharge);
 		mc.precharge = 0;
+		memcg_oom_recover(mc.to);
 	}
 	/*
 	 * we didn't uncharge from mc.from at mem_cgroup_move_account(), so
@@ -4223,6 +4297,7 @@ static void mem_cgroup_clear_mc(void)
 	if (mc.moved_charge) {
 		__mem_cgroup_cancel_charge(mc.from, mc.moved_charge);
 		mc.moved_charge = 0;
+		memcg_oom_recover(mc.from);
 	}
 	/* we must fixup refcnts and charges */
 	if (mc.moved_swap) {

From 90254a65833b67502d14736410b3857a15535c67 Mon Sep 17 00:00:00 2001
From: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Date: Wed, 26 May 2010 14:42:38 -0700
Subject: [PATCH 3323/3638] memcg: clean up move charge

This patch cleans up move charge code by:

- define functions to handle pte for each types, and make
  is_target_pte_for_mc() cleaner.

- instead of checking the MOVE_CHARGE_TYPE_ANON bit, define a function
  that checks the bit.

Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 96 ++++++++++++++++++++++++++++++-------------------
 1 file changed, 59 insertions(+), 37 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 53eb30ebdb4..e5277e8a42a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -266,6 +266,12 @@ static struct move_charge_struct {
 	.waitq = __WAIT_QUEUE_HEAD_INITIALIZER(mc.waitq),
 };
 
+static bool move_anon(void)
+{
+	return test_bit(MOVE_CHARGE_TYPE_ANON,
+					&mc.to->move_charge_at_immigrate);
+}
+
 /*
  * Maximum loops in mem_cgroup_hierarchical_reclaim(), used for soft
  * limit reclaim to prevent infinite loops, if they ever occur.
@@ -4162,6 +4168,50 @@ enum mc_target_type {
 	MC_TARGET_SWAP,
 };
 
+static struct page *mc_handle_present_pte(struct vm_area_struct *vma,
+						unsigned long addr, pte_t ptent)
+{
+	struct page *page = vm_normal_page(vma, addr, ptent);
+
+	if (!page || !page_mapped(page))
+		return NULL;
+	if (PageAnon(page)) {
+		/* we don't move shared anon */
+		if (!move_anon() || page_mapcount(page) > 2)
+			return NULL;
+	} else
+		/*
+		 * TODO: We don't move charges of file(including shmem/tmpfs)
+		 * pages for now.
+		 */
+		return NULL;
+	if (!get_page_unless_zero(page))
+		return NULL;
+
+	return page;
+}
+
+static struct page *mc_handle_swap_pte(struct vm_area_struct *vma,
+			unsigned long addr, pte_t ptent, swp_entry_t *entry)
+{
+	int usage_count;
+	struct page *page = NULL;
+	swp_entry_t ent = pte_to_swp_entry(ptent);
+
+	if (!move_anon() || non_swap_entry(ent))
+		return NULL;
+	usage_count = mem_cgroup_count_swap_user(ent, &page);
+	if (usage_count > 1) { /* we don't move shared anon */
+		if (page)
+			put_page(page);
+		return NULL;
+	}
+	if (do_swap_account)
+		entry->val = ent.val;
+
+	return page;
+}
+
 static int is_target_pte_for_mc(struct vm_area_struct *vma,
 		unsigned long addr, pte_t ptent, union mc_target *target)
 {
@@ -4169,43 +4219,15 @@ static int is_target_pte_for_mc(struct vm_area_struct *vma,
 	struct page_cgroup *pc;
 	int ret = 0;
 	swp_entry_t ent = { .val = 0 };
-	int usage_count = 0;
-	bool move_anon = test_bit(MOVE_CHARGE_TYPE_ANON,
-					&mc.to->move_charge_at_immigrate);
 
-	if (!pte_present(ptent)) {
-		/* TODO: handle swap of shmes/tmpfs */
-		if (pte_none(ptent) || pte_file(ptent))
-			return 0;
-		else if (is_swap_pte(ptent)) {
-			ent = pte_to_swp_entry(ptent);
-			if (!move_anon || non_swap_entry(ent))
-				return 0;
-			usage_count = mem_cgroup_count_swap_user(ent, &page);
-		}
-	} else {
-		page = vm_normal_page(vma, addr, ptent);
-		if (!page || !page_mapped(page))
-			return 0;
-		/*
-		 * TODO: We don't move charges of file(including shmem/tmpfs)
-		 * pages for now.
-		 */
-		if (!move_anon || !PageAnon(page))
-			return 0;
-		if (!get_page_unless_zero(page))
-			return 0;
-		usage_count = page_mapcount(page);
-	}
-	if (usage_count > 1) {
-		/*
-		 * TODO: We don't move charges of shared(used by multiple
-		 * processes) pages for now.
-		 */
-		if (page)
-			put_page(page);
+	if (pte_present(ptent))
+		page = mc_handle_present_pte(vma, addr, ptent);
+	else if (is_swap_pte(ptent))
+		page = mc_handle_swap_pte(vma, addr, ptent, &ent);
+	/* TODO: handle swap of shmes/tmpfs */
+
+	if (!page && !ent.val)
 		return 0;
-	}
 	if (page) {
 		pc = lookup_page_cgroup(page);
 		/*
@@ -4221,8 +4243,8 @@ static int is_target_pte_for_mc(struct vm_area_struct *vma,
 		if (!ret || !target)
 			put_page(page);
 	}
-	/* throught */
-	if (ent.val && do_swap_account && !ret &&
+	/* There is a swap entry and a page doesn't exist or isn't charged */
+	if (ent.val && !ret &&
 			css_id(&mc.from->css) == lookup_swap_cgroup(ent)) {
 		ret = MC_TARGET_SWAP;
 		if (target)

From 87946a72283be3de936adc754b7007df7d3e6aeb Mon Sep 17 00:00:00 2001
From: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Date: Wed, 26 May 2010 14:42:39 -0700
Subject: [PATCH 3324/3638] memcg: move charge of file pages

This patch adds support for moving charge of file pages, which include
normal file, tmpfs file and swaps of tmpfs file.  It's enabled by setting
bit 1 of <target cgroup>/memory.move_charge_at_immigrate.

Unlike the case of anonymous pages, file pages(and swaps) in the range
mmapped by the task will be moved even if the task hasn't done page fault,
i.e.  they might not be the task's "RSS", but other task's "RSS" that maps
the same file.  And mapcount of the page is ignored(the page can be moved
even if page_mapcount(page) > 1).  So, conditions that the page/swap
should be met to be moved is that it must be in the range mmapped by the
target task and it must be charged to the old cgroup.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: fix warning]
Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/cgroups/memory.txt | 18 ++++++---
 include/linux/swap.h             |  5 +++
 mm/memcontrol.c                  | 56 ++++++++++++++++++++++------
 mm/shmem.c                       | 64 ++++++++++++++++++++++++++++++++
 4 files changed, 125 insertions(+), 18 deletions(-)

diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index 44e7ded3344..5e028870ee8 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -454,21 +454,27 @@ And if you want disable it again:
 8.2 Type of charges which can be move
 
 Each bits of move_charge_at_immigrate has its own meaning about what type of
-charges should be moved.
+charges should be moved. But in any cases, it must be noted that an account of
+a page or a swap can be moved only when it is charged to the task's current(old)
+memory cgroup.
 
   bit | what type of charges would be moved ?
  -----+------------------------------------------------------------------------
    0  | A charge of an anonymous page(or swap of it) used by the target task.
       | Those pages and swaps must be used only by the target task. You must
       | enable Swap Extension(see 2.4) to enable move of swap charges.
-
-Note: Those pages and swaps must be charged to the old cgroup.
-Note: More type of pages(e.g. file cache, shmem,) will be supported by other
-      bits in future.
+ -----+------------------------------------------------------------------------
+   1  | A charge of file pages(normal file, tmpfs file(e.g. ipc shared memory)
+      | and swaps of tmpfs file) mmaped by the target task. Unlike the case of
+      | anonymous pages, file pages(and swaps) in the range mmapped by the task
+      | will be moved even if the task hasn't done page fault, i.e. they might
+      | not be the task's "RSS", but other task's "RSS" that maps the same file.
+      | And mapcount of the page is ignored(the page can be moved even if
+      | page_mapcount(page) > 1). You must enable Swap Extension(see 2.4) to
+      | enable move of swap charges.
 
 8.3 TODO
 
-- Add support for other types of pages(e.g. file cache, shmem, etc.).
 - Implement madvise(2) to let users decide the vma to be moved or not to be
   moved.
 - All of moving charge operations are done under cgroup_mutex. It's not good
diff --git a/include/linux/swap.h b/include/linux/swap.h
index b6b614364dd..ff4acea9bbd 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -282,6 +282,11 @@ extern void kswapd_stop(int nid);
 extern int shmem_unuse(swp_entry_t entry, struct page *page);
 #endif /* CONFIG_MMU */
 
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+extern void mem_cgroup_get_shmem_target(struct inode *inode, pgoff_t pgoff,
+					struct page **pagep, swp_entry_t *ent);
+#endif
+
 extern void swap_unplug_io_fn(struct backing_dev_info *, struct page *);
 
 #ifdef CONFIG_SWAP
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index e5277e8a42a..be5f478351b 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -250,6 +250,7 @@ struct mem_cgroup {
  */
 enum move_type {
 	MOVE_CHARGE_TYPE_ANON,	/* private anonymous page and swap of it */
+	MOVE_CHARGE_TYPE_FILE,	/* file page(including tmpfs) and swap of it */
 	NR_MOVE_TYPE,
 };
 
@@ -272,6 +273,12 @@ static bool move_anon(void)
 					&mc.to->move_charge_at_immigrate);
 }
 
+static bool move_file(void)
+{
+	return test_bit(MOVE_CHARGE_TYPE_FILE,
+					&mc.to->move_charge_at_immigrate);
+}
+
 /*
  * Maximum loops in mem_cgroup_hierarchical_reclaim(), used for soft
  * limit reclaim to prevent infinite loops, if they ever occur.
@@ -4179,11 +4186,8 @@ static struct page *mc_handle_present_pte(struct vm_area_struct *vma,
 		/* we don't move shared anon */
 		if (!move_anon() || page_mapcount(page) > 2)
 			return NULL;
-	} else
-		/*
-		 * TODO: We don't move charges of file(including shmem/tmpfs)
-		 * pages for now.
-		 */
+	} else if (!move_file())
+		/* we ignore mapcount for file pages */
 		return NULL;
 	if (!get_page_unless_zero(page))
 		return NULL;
@@ -4212,6 +4216,39 @@ static struct page *mc_handle_swap_pte(struct vm_area_struct *vma,
 	return page;
 }
 
+static struct page *mc_handle_file_pte(struct vm_area_struct *vma,
+			unsigned long addr, pte_t ptent, swp_entry_t *entry)
+{
+	struct page *page = NULL;
+	struct inode *inode;
+	struct address_space *mapping;
+	pgoff_t pgoff;
+
+	if (!vma->vm_file) /* anonymous vma */
+		return NULL;
+	if (!move_file())
+		return NULL;
+
+	inode = vma->vm_file->f_path.dentry->d_inode;
+	mapping = vma->vm_file->f_mapping;
+	if (pte_none(ptent))
+		pgoff = linear_page_index(vma, addr);
+	else /* pte_file(ptent) is true */
+		pgoff = pte_to_pgoff(ptent);
+
+	/* page is moved even if it's not RSS of this task(page-faulted). */
+	if (!mapping_cap_swap_backed(mapping)) { /* normal file */
+		page = find_get_page(mapping, pgoff);
+	} else { /* shmem/tmpfs file. we should take account of swap too. */
+		swp_entry_t ent;
+		mem_cgroup_get_shmem_target(inode, pgoff, &page, &ent);
+		if (do_swap_account)
+			entry->val = ent.val;
+	}
+
+	return page;
+}
+
 static int is_target_pte_for_mc(struct vm_area_struct *vma,
 		unsigned long addr, pte_t ptent, union mc_target *target)
 {
@@ -4224,7 +4261,8 @@ static int is_target_pte_for_mc(struct vm_area_struct *vma,
 		page = mc_handle_present_pte(vma, addr, ptent);
 	else if (is_swap_pte(ptent))
 		page = mc_handle_swap_pte(vma, addr, ptent, &ent);
-	/* TODO: handle swap of shmes/tmpfs */
+	else if (pte_none(ptent) || pte_file(ptent))
+		page = mc_handle_file_pte(vma, addr, ptent, &ent);
 
 	if (!page && !ent.val)
 		return 0;
@@ -4285,9 +4323,6 @@ static unsigned long mem_cgroup_count_precharge(struct mm_struct *mm)
 		};
 		if (is_vm_hugetlb_page(vma))
 			continue;
-		/* TODO: We don't move charges of shmem/tmpfs pages for now. */
-		if (vma->vm_flags & VM_SHARED)
-			continue;
 		walk_page_range(vma->vm_start, vma->vm_end,
 					&mem_cgroup_count_precharge_walk);
 	}
@@ -4484,9 +4519,6 @@ static void mem_cgroup_move_charge(struct mm_struct *mm)
 		};
 		if (is_vm_hugetlb_page(vma))
 			continue;
-		/* TODO: We don't move charges of shmem/tmpfs pages for now. */
-		if (vma->vm_flags & VM_SHARED)
-			continue;
 		ret = walk_page_range(vma->vm_start, vma->vm_end,
 						&mem_cgroup_move_charge_walk);
 		if (ret)
diff --git a/mm/shmem.c b/mm/shmem.c
index 4ef9797bd43..855eaf5b8d5 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2559,6 +2559,45 @@ out4:
 	return error;
 }
 
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+/**
+ * mem_cgroup_get_shmem_target - find a page or entry assigned to the shmem file
+ * @inode: the inode to be searched
+ * @pgoff: the offset to be searched
+ * @pagep: the pointer for the found page to be stored
+ * @ent: the pointer for the found swap entry to be stored
+ *
+ * If a page is found, refcount of it is incremented. Callers should handle
+ * these refcount.
+ */
+void mem_cgroup_get_shmem_target(struct inode *inode, pgoff_t pgoff,
+					struct page **pagep, swp_entry_t *ent)
+{
+	swp_entry_t entry = { .val = 0 }, *ptr;
+	struct page *page = NULL;
+	struct shmem_inode_info *info = SHMEM_I(inode);
+
+	if ((pgoff << PAGE_CACHE_SHIFT) >= i_size_read(inode))
+		goto out;
+
+	spin_lock(&info->lock);
+	ptr = shmem_swp_entry(info, pgoff, NULL);
+#ifdef CONFIG_SWAP
+	if (ptr && ptr->val) {
+		entry.val = ptr->val;
+		page = find_get_page(&swapper_space, entry.val);
+	} else
+#endif
+		page = find_get_page(inode->i_mapping, pgoff);
+	if (ptr)
+		shmem_swp_unmap(ptr);
+	spin_unlock(&info->lock);
+out:
+	*pagep = page;
+	*ent = entry;
+}
+#endif
+
 #else /* !CONFIG_SHMEM */
 
 /*
@@ -2598,6 +2637,31 @@ int shmem_lock(struct file *file, int lock, struct user_struct *user)
 	return 0;
 }
 
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+/**
+ * mem_cgroup_get_shmem_target - find a page or entry assigned to the shmem file
+ * @inode: the inode to be searched
+ * @pgoff: the offset to be searched
+ * @pagep: the pointer for the found page to be stored
+ * @ent: the pointer for the found swap entry to be stored
+ *
+ * If a page is found, refcount of it is incremented. Callers should handle
+ * these refcount.
+ */
+void mem_cgroup_get_shmem_target(struct inode *inode, pgoff_t pgoff,
+					struct page **pagep, swp_entry_t *ent)
+{
+	struct page *page = NULL;
+
+	if ((pgoff << PAGE_CACHE_SHIFT) >= i_size_read(inode))
+		goto out;
+	page = find_get_page(inode->i_mapping, pgoff);
+out:
+	*pagep = page;
+	*ent = (swp_entry_t){ .val = 0 };
+}
+#endif
+
 #define shmem_vm_ops				generic_file_vm_ops
 #define shmem_file_operations			ramfs_file_operations
 #define shmem_get_inode(sb, dir, mode, dev, flags)	ramfs_get_inode(sb, dir, mode, dev)

From dc10e281f5fc42e288ab979294d1d5dc9743ae1b Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Wed, 26 May 2010 14:42:40 -0700
Subject: [PATCH 3325/3638] memcg: update documentation

Some information are old, and I think current document doesn't work as "a
guide for users".  We need summary of all of our controls, at least.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/cgroups/memory.txt | 291 +++++++++++++++++++++----------
 1 file changed, 198 insertions(+), 93 deletions(-)

diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index 5e028870ee8..7781857dc94 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -1,18 +1,15 @@
 Memory Resource Controller
 
 NOTE: The Memory Resource Controller has been generically been referred
-to as the memory controller in this document. Do not confuse memory controller
-used here with the memory controller that is used in hardware.
+      to as the memory controller in this document. Do not confuse memory
+      controller used here with the memory controller that is used in hardware.
 
-Salient features
-
-a. Enable control of Anonymous, Page Cache (mapped and unmapped) and
-   Swap Cache memory pages.
-b. The infrastructure allows easy addition of other types of memory to control
-c. Provides *zero overhead* for non memory controller users
-d. Provides a double LRU: global memory pressure causes reclaim from the
-   global LRU; a cgroup on hitting a limit, reclaims from the per
-   cgroup LRU
+(For editors)
+In this document:
+      When we mention a cgroup (cgroupfs's directory) with memory controller,
+      we call it "memory cgroup". When you see git-log and source code, you'll
+      see patch's title and function names tend to use "memcg".
+      In this document, we avoid using it.
 
 Benefits and Purpose of the memory controller
 
@@ -33,6 +30,45 @@ d. A CD/DVD burner could control the amount of memory used by the
 e. There are several other use cases, find one or use the controller just
    for fun (to learn and hack on the VM subsystem).
 
+Current Status: linux-2.6.34-mmotm(development version of 2010/April)
+
+Features:
+ - accounting anonymous pages, file caches, swap caches usage and limiting them.
+ - private LRU and reclaim routine. (system's global LRU and private LRU
+   work independently from each other)
+ - optionally, memory+swap usage can be accounted and limited.
+ - hierarchical accounting
+ - soft limit
+ - moving(recharging) account at moving a task is selectable.
+ - usage threshold notifier
+ - oom-killer disable knob and oom-notifier
+ - Root cgroup has no limit controls.
+
+ Kernel memory and Hugepages are not under control yet. We just manage
+ pages on LRU. To add more controls, we have to take care of performance.
+
+Brief summary of control files.
+
+ tasks				 # attach a task(thread) and show list of threads
+ cgroup.procs			 # show list of processes
+ cgroup.event_control		 # an interface for event_fd()
+ memory.usage_in_bytes		 # show current memory(RSS+Cache) usage.
+ memory.memsw.usage_in_bytes	 # show current memory+Swap usage
+ memory.limit_in_bytes		 # set/show limit of memory usage
+ memory.memsw.limit_in_bytes	 # set/show limit of memory+Swap usage
+ memory.failcnt			 # show the number of memory usage hits limits
+ memory.memsw.failcnt		 # show the number of memory+Swap hits limits
+ memory.max_usage_in_bytes	 # show max memory usage recorded
+ memory.memsw.usage_in_bytes	 # show max memory+Swap usage recorded
+ memory.soft_limit_in_bytes	 # set/show soft limit of memory usage
+ memory.stat			 # show various statistics
+ memory.use_hierarchy		 # set/show hierarchical account enabled
+ memory.force_empty		 # trigger forced move charge to parent
+ memory.swappiness		 # set/show swappiness parameter of vmscan
+				 (See sysctl's vm.swappiness)
+ memory.move_charge_at_immigrate # set/show controls of moving charges
+ memory.oom_control		 # set/show oom controls.
+
 1. History
 
 The memory controller has a long history. A request for comments for the memory
@@ -106,14 +142,14 @@ the necessary data structures and check if the cgroup that is being charged
 is over its limit. If it is then reclaim is invoked on the cgroup.
 More details can be found in the reclaim section of this document.
 If everything goes well, a page meta-data-structure called page_cgroup is
-allocated and associated with the page.  This routine also adds the page to
-the per cgroup LRU.
+updated. page_cgroup has its own LRU on cgroup.
+(*) page_cgroup structure is allocated at boot/memory-hotplug time.
 
 2.2.1 Accounting details
 
 All mapped anon pages (RSS) and cache pages (Page Cache) are accounted.
-(some pages which never be reclaimable and will not be on global LRU
- are not accounted. we just accounts pages under usual vm management.)
+Some pages which are never reclaimable and will not be on the global LRU
+are not accounted. We just account pages under usual VM management.
 
 RSS pages are accounted at page_fault unless they've already been accounted
 for earlier. A file page will be accounted for as Page Cache when it's
@@ -121,12 +157,19 @@ inserted into inode (radix-tree). While it's mapped into the page tables of
 processes, duplicate accounting is carefully avoided.
 
 A RSS page is unaccounted when it's fully unmapped. A PageCache page is
-unaccounted when it's removed from radix-tree.
+unaccounted when it's removed from radix-tree. Even if RSS pages are fully
+unmapped (by kswapd), they may exist as SwapCache in the system until they
+are really freed. Such SwapCaches also also accounted.
+A swapped-in page is not accounted until it's mapped.
+
+Note: The kernel does swapin-readahead and read multiple swaps at once.
+This means swapped-in pages may contain pages for other tasks than a task
+causing page fault. So, we avoid accounting at swap-in I/O.
 
 At page migration, accounting information is kept.
 
-Note: we just account pages-on-lru because our purpose is to control amount
-of used pages. not-on-lru pages are tend to be out-of-control from vm view.
+Note: we just account pages-on-LRU because our purpose is to control amount
+of used pages; not-on-LRU pages tend to be out-of-control from VM view.
 
 2.3 Shared Page Accounting
 
@@ -143,6 +186,7 @@ caller of swapoff rather than the users of shmem.
 
 
 2.4 Swap Extension (CONFIG_CGROUP_MEM_RES_CTLR_SWAP)
+
 Swap Extension allows you to record charge for swap. A swapped-in page is
 charged back to original page allocator if possible.
 
@@ -150,13 +194,20 @@ When swap is accounted, following files are added.
  - memory.memsw.usage_in_bytes.
  - memory.memsw.limit_in_bytes.
 
-usage of mem+swap is limited by memsw.limit_in_bytes.
+memsw means memory+swap. Usage of memory+swap is limited by
+memsw.limit_in_bytes.
 
-* why 'mem+swap' rather than swap.
+Example: Assume a system with 4G of swap. A task which allocates 6G of memory
+(by mistake) under 2G memory limitation will use all swap.
+In this case, setting memsw.limit_in_bytes=3G will prevent bad use of swap.
+By using memsw limit, you can avoid system OOM which can be caused by swap
+shortage.
+
+* why 'memory+swap' rather than swap.
 The global LRU(kswapd) can swap out arbitrary pages. Swap-out means
 to move account from memory to swap...there is no change in usage of
-mem+swap. In other words, when we want to limit the usage of swap without
-affecting global LRU, mem+swap limit is better than just limiting swap from
+memory+swap. In other words, when we want to limit the usage of swap without
+affecting global LRU, memory+swap limit is better than just limiting swap from
 OS point of view.
 
 * What happens when a cgroup hits memory.memsw.limit_in_bytes
@@ -168,12 +219,12 @@ it by cgroup.
 
 2.5 Reclaim
 
-Each cgroup maintains a per cgroup LRU that consists of an active
-and inactive list. When a cgroup goes over its limit, we first try
+Each cgroup maintains a per cgroup LRU which has the same structure as
+global VM. When a cgroup goes over its limit, we first try
 to reclaim memory from the cgroup so as to make space for the new
 pages that the cgroup has touched. If the reclaim is unsuccessful,
 an OOM routine is invoked to select and kill the bulkiest task in the
-cgroup.
+cgroup. (See 10. OOM Control below.)
 
 The reclaim algorithm has not been modified for cgroups, except that
 pages that are selected for reclaiming come from the per cgroup LRU
@@ -187,13 +238,19 @@ Note2: When panic_on_oom is set to "2", the whole system will panic.
 When oom event notifier is registered, event will be delivered.
 (See oom_control section)
 
-2. Locking
+2.6 Locking
 
-The memory controller uses the following hierarchy
+   lock_page_cgroup()/unlock_page_cgroup() should not be called under
+   mapping->tree_lock.
 
-1. zone->lru_lock is used for selecting pages to be isolated
-2. mem->per_zone->lru_lock protects the per cgroup LRU (per zone)
-3. lock_page_cgroup() is used to protect page->page_cgroup
+   Other lock order is following:
+   PG_locked.
+   mm->page_table_lock
+       zone->lru_lock
+	  lock_page_cgroup.
+  In many cases, just lock_page_cgroup() is called.
+  per-zone-per-cgroup LRU (cgroup's private LRU) is just guarded by
+  zone->lru_lock, it has no lock of its own.
 
 3. User Interface
 
@@ -202,6 +259,7 @@ The memory controller uses the following hierarchy
 a. Enable CONFIG_CGROUPS
 b. Enable CONFIG_RESOURCE_COUNTERS
 c. Enable CONFIG_CGROUP_MEM_RES_CTLR
+d. Enable CONFIG_CGROUP_MEM_RES_CTLR_SWAP (to use swap extension)
 
 1. Prepare the cgroups
 # mkdir -p /cgroups
@@ -209,31 +267,28 @@ c. Enable CONFIG_CGROUP_MEM_RES_CTLR
 
 2. Make the new group and move bash into it
 # mkdir /cgroups/0
-# echo $$ >  /cgroups/0/tasks
+# echo $$ > /cgroups/0/tasks
 
-Since now we're in the 0 cgroup,
-We can alter the memory limit:
+Since now we're in the 0 cgroup, we can alter the memory limit:
 # echo 4M > /cgroups/0/memory.limit_in_bytes
 
 NOTE: We can use a suffix (k, K, m, M, g or G) to indicate values in kilo,
-mega or gigabytes.
+mega or gigabytes. (Here, Kilo, Mega, Giga are Kibibytes, Mebibytes, Gibibytes.)
+
 NOTE: We can write "-1" to reset the *.limit_in_bytes(unlimited).
 NOTE: We cannot set limits on the root cgroup any more.
 
 # cat /cgroups/0/memory.limit_in_bytes
 4194304
 
-NOTE: The interface has now changed to display the usage in bytes
-instead of pages
-
 We can check the usage:
 # cat /cgroups/0/memory.usage_in_bytes
 1216512
 
 A successful write to this file does not guarantee a successful set of
-this limit to the value written into the file.  This can be due to a
+this limit to the value written into the file. This can be due to a
 number of factors, such as rounding up to page boundaries or the total
-availability of memory on the system.  The user is required to re-read
+availability of memory on the system. The user is required to re-read
 this file after a write to guarantee the value committed by the kernel.
 
 # echo 1 > memory.limit_in_bytes
@@ -248,15 +303,23 @@ caches, RSS and Active pages/Inactive pages are shown.
 
 4. Testing
 
-Balbir posted lmbench, AIM9, LTP and vmmstress results [10] and [11].
-Apart from that v6 has been tested with several applications and regular
-daily use. The controller has also been tested on the PPC64, x86_64 and
-UML platforms.
+For testing features and implementation, see memcg_test.txt.
+
+Performance test is also important. To see pure memory controller's overhead,
+testing on tmpfs will give you good numbers of small overheads.
+Example: do kernel make on tmpfs.
+
+Page-fault scalability is also important. At measuring parallel
+page fault test, multi-process test may be better than multi-thread
+test because it has noise of shared objects/status.
+
+But the above two are testing extreme situations.
+Trying usual test under memory controller is always helpful.
 
 4.1 Troubleshooting
 
 Sometimes a user might find that the application under a cgroup is
-terminated. There are several causes for this:
+terminated by OOM killer. There are several causes for this:
 
 1. The cgroup limit is too low (just too low to do anything useful)
 2. The user is using anonymous memory and swap is turned off or too low
@@ -264,6 +327,9 @@ terminated. There are several causes for this:
 A sync followed by echo 1 > /proc/sys/vm/drop_caches will help get rid of
 some of the pages cached in the cgroup (page cache pages).
 
+To know what happens, disable OOM_Kill by 10. OOM Control(see below) and
+seeing what happens will be helpful.
+
 4.2 Task migration
 
 When a task migrates from one cgroup to another, its charge is not
@@ -271,16 +337,19 @@ carried forward by default. The pages allocated from the original cgroup still
 remain charged to it, the charge is dropped when the page is freed or
 reclaimed.
 
-Note: You can move charges of a task along with task migration. See 8.
+You can move charges of a task along with task migration.
+See 8. "Move charges at task migration"
 
 4.3 Removing a cgroup
 
 A cgroup can be removed by rmdir, but as discussed in sections 4.1 and 4.2, a
 cgroup might have some charge associated with it, even though all
-tasks have migrated away from it.
-Such charges are freed(at default) or moved to its parent. When moved,
-both of RSS and CACHES are moved to parent.
-If both of them are busy, rmdir() returns -EBUSY. See 5.1 Also.
+tasks have migrated away from it. (because we charge against pages, not
+against tasks.)
+
+Such charges are freed or moved to their parent. At moving, both of RSS
+and CACHES are moved to parent.
+rmdir() may return -EBUSY if freeing/moving fails. See 5.1 also.
 
 Charges recorded in swap information is not updated at removal of cgroup.
 Recorded information is discarded and a cgroup which uses swap (swapcache)
@@ -296,10 +365,10 @@ will be charged as a new owner of it.
 
   # echo 0 > memory.force_empty
 
-  Almost all pages tracked by this memcg will be unmapped and freed. Some of
-  pages cannot be freed because it's locked or in-use. Such pages are moved
-  to parent and this cgroup will be empty. But this may return -EBUSY in
-  some too busy case.
+  Almost all pages tracked by this memory cgroup will be unmapped and freed.
+  Some pages cannot be freed because they are locked or in-use. Such pages are
+  moved to parent and this cgroup will be empty. This may return -EBUSY if
+  VM is too busy to free/move all pages immediately.
 
   Typical use case of this interface is that calling this before rmdir().
   Because rmdir() moves all pages to parent, some out-of-use page caches can be
@@ -309,19 +378,41 @@ will be charged as a new owner of it.
 
 memory.stat file includes following statistics
 
+# per-memory cgroup local status
 cache		- # of bytes of page cache memory.
 rss		- # of bytes of anonymous and swap cache memory.
+mapped_file	- # of bytes of mapped file (includes tmpfs/shmem)
 pgpgin		- # of pages paged in (equivalent to # of charging events).
 pgpgout		- # of pages paged out (equivalent to # of uncharging events).
-active_anon	- # of bytes of anonymous and  swap cache memory on active
-		  lru list.
+swap		- # of bytes of swap usage
 inactive_anon	- # of bytes of anonymous memory and swap cache memory on
-		  inactive lru list.
-active_file	- # of bytes of file-backed memory on active lru list.
-inactive_file	- # of bytes of file-backed memory on inactive lru list.
+		LRU list.
+active_anon	- # of bytes of anonymous and swap cache memory on active
+		inactive LRU list.
+inactive_file	- # of bytes of file-backed memory on inactive LRU list.
+active_file	- # of bytes of file-backed memory on active LRU list.
 unevictable	- # of bytes of memory that cannot be reclaimed (mlocked etc).
 
-The following additional stats are dependent on CONFIG_DEBUG_VM.
+# status considering hierarchy (see memory.use_hierarchy settings)
+
+hierarchical_memory_limit - # of bytes of memory limit with regard to hierarchy
+			under which the memory cgroup is
+hierarchical_memsw_limit - # of bytes of memory+swap limit with regard to
+			hierarchy under which memory cgroup is.
+
+total_cache		- sum of all children's "cache"
+total_rss		- sum of all children's "rss"
+total_mapped_file	- sum of all children's "cache"
+total_pgpgin		- sum of all children's "pgpgin"
+total_pgpgout		- sum of all children's "pgpgout"
+total_swap		- sum of all children's "swap"
+total_inactive_anon	- sum of all children's "inactive_anon"
+total_active_anon	- sum of all children's "active_anon"
+total_inactive_file	- sum of all children's "inactive_file"
+total_active_file	- sum of all children's "active_file"
+total_unevictable	- sum of all children's "unevictable"
+
+# The following additional stats are dependent on CONFIG_DEBUG_VM.
 
 inactive_ratio		- VM internal parameter. (see mm/page_alloc.c)
 recent_rotated_anon	- VM internal parameter. (see mm/vmscan.c)
@@ -330,24 +421,37 @@ recent_scanned_anon	- VM internal parameter. (see mm/vmscan.c)
 recent_scanned_file	- VM internal parameter. (see mm/vmscan.c)
 
 Memo:
-	recent_rotated means recent frequency of lru rotation.
-	recent_scanned means recent # of scans to lru.
+	recent_rotated means recent frequency of LRU rotation.
+	recent_scanned means recent # of scans to LRU.
 	showing for better debug please see the code for meanings.
 
 Note:
 	Only anonymous and swap cache memory is listed as part of 'rss' stat.
 	This should not be confused with the true 'resident set size' or the
-	amount of physical memory used by the cgroup. Per-cgroup rss
-	accounting is not done yet.
+	amount of physical memory used by the cgroup.
+	'rss + file_mapped" will give you resident set size of cgroup.
+	(Note: file and shmem may be shared among other cgroups. In that case,
+	 file_mapped is accounted only when the memory cgroup is owner of page
+	 cache.)
 
 5.3 swappiness
-  Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
 
-  Following cgroups' swappiness can't be changed.
-  - root cgroup (uses /proc/sys/vm/swappiness).
-  - a cgroup which uses hierarchy and it has child cgroup.
-  - a cgroup which uses hierarchy and not the root of hierarchy.
+Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
 
+Following cgroups' swappiness can't be changed.
+- root cgroup (uses /proc/sys/vm/swappiness).
+- a cgroup which uses hierarchy and it has other cgroup(s) below it.
+- a cgroup which uses hierarchy and not the root of hierarchy.
+
+5.4 failcnt
+
+A memory cgroup provides memory.failcnt and memory.memsw.failcnt files.
+This failcnt(== failure count) shows the number of times that a usage counter
+hit its limit. When a memory cgroup hits a limit, failcnt increases and
+memory under it will be reclaimed.
+
+You can reset failcnt by writing 0 to failcnt file.
+# echo 0 > .../memory.failcnt
 
 6. Hierarchy support
 
@@ -366,13 +470,13 @@ hierarchy
 
 In the diagram above, with hierarchical accounting enabled, all memory
 usage of e, is accounted to its ancestors up until the root (i.e, c and root),
-that has memory.use_hierarchy enabled.  If one of the ancestors goes over its
+that has memory.use_hierarchy enabled. If one of the ancestors goes over its
 limit, the reclaim algorithm reclaims from the tasks in the ancestor and the
 children of the ancestor.
 
 6.1 Enabling hierarchical accounting and reclaim
 
-The memory controller by default disables the hierarchy feature. Support
+A memory cgroup by default disables the hierarchy feature. Support
 can be enabled by writing 1 to memory.use_hierarchy file of the root cgroup
 
 # echo 1 > memory.use_hierarchy
@@ -382,10 +486,10 @@ The feature can be disabled by
 # echo 0 > memory.use_hierarchy
 
 NOTE1: Enabling/disabling will fail if the cgroup already has other
-cgroups created below it.
+       cgroups created below it.
 
 NOTE2: When panic_on_oom is set to "2", the whole system will panic in
-case of an oom event in any cgroup.
+       case of an OOM event in any cgroup.
 
 7. Soft limits
 
@@ -395,7 +499,7 @@ is to allow control groups to use as much of the memory as needed, provided
 a. There is no memory contention
 b. They do not exceed their hard limit
 
-When the system detects memory contention or low memory control groups
+When the system detects memory contention or low memory, control groups
 are pushed back to their soft limits. If the soft limit of each control
 group is very high, they are pushed back as much as possible to make
 sure that one control group does not starve the others of memory.
@@ -409,7 +513,7 @@ it gets invoked from balance_pgdat (kswapd).
 7.1 Interface
 
 Soft limits can be setup by using the following commands (in this example we
-assume a soft limit of 256 megabytes)
+assume a soft limit of 256 MiB)
 
 # echo 256M > memory.soft_limit_in_bytes
 
@@ -445,7 +549,7 @@ Note: Charges are moved only when you move mm->owner, IOW, a leader of a thread
 Note: If we cannot find enough space for the task in the destination cgroup, we
       try to make space by reclaiming memory. Task migration may fail if we
       cannot make enough space.
-Note: It can take several seconds if you move charges in giga bytes order.
+Note: It can take several seconds if you move charges much.
 
 And if you want disable it again:
 
@@ -465,7 +569,7 @@ memory cgroup.
       | enable Swap Extension(see 2.4) to enable move of swap charges.
  -----+------------------------------------------------------------------------
    1  | A charge of file pages(normal file, tmpfs file(e.g. ipc shared memory)
-      | and swaps of tmpfs file) mmaped by the target task. Unlike the case of
+      | and swaps of tmpfs file) mmapped by the target task. Unlike the case of
       | anonymous pages, file pages(and swaps) in the range mmapped by the task
       | will be moved even if the task hasn't done page fault, i.e. they might
       | not be the task's "RSS", but other task's "RSS" that maps the same file.
@@ -482,15 +586,15 @@ memory cgroup.
 
 9. Memory thresholds
 
-Memory controler implements memory thresholds using cgroups notification
+Memory cgroup implements memory thresholds using cgroups notification
 API (see cgroups.txt). It allows to register multiple memory and memsw
 thresholds and gets notifications when it crosses.
 
 To register a threshold application need:
- - create an eventfd using eventfd(2);
- - open memory.usage_in_bytes or memory.memsw.usage_in_bytes;
- - write string like "<event_fd> <memory.usage_in_bytes> <threshold>" to
-   cgroup.event_control.
+- create an eventfd using eventfd(2);
+- open memory.usage_in_bytes or memory.memsw.usage_in_bytes;
+- write string like "<event_fd> <fd of memory.usage_in_bytes> <threshold>" to
+  cgroup.event_control.
 
 Application will be notified through eventfd when memory usage crosses
 threshold in any direction.
@@ -501,27 +605,28 @@ It's applicable for root and non-root cgroup.
 
 memory.oom_control file is for OOM notification and other controls.
 
-Memory controler implements oom notifier using cgroup notification
-API (See cgroups.txt). It allows to register multiple oom notification
-delivery and gets notification when oom happens.
+Memory cgroup implements OOM notifier using cgroup notification
+API (See cgroups.txt). It allows to register multiple OOM notification
+delivery and gets notification when OOM happens.
 
 To register a notifier, application need:
  - create an eventfd using eventfd(2)
  - open memory.oom_control file
- - write string like "<event_fd> <memory.oom_control>" to cgroup.event_control
+ - write string like "<event_fd> <fd of memory.oom_control>" to
+   cgroup.event_control
 
-Application will be notifier through eventfd when oom happens.
+Application will be notified through eventfd when OOM happens.
 OOM notification doesn't work for root cgroup.
 
-You can disable oom-killer by writing "1" to memory.oom_control file.
-As.
+You can disable OOM-killer by writing "1" to memory.oom_control file, as:
+
 	#echo 1 > memory.oom_control
 
-This operation is only allowed to the top cgroup of subhierarchy.
-If oom-killer is disabled, tasks under cgroup will hang/sleep
-in memcg's oom-waitq when they request accountable memory.
+This operation is only allowed to the top cgroup of sub-hierarchy.
+If OOM-killer is disabled, tasks under cgroup will hang/sleep
+in memory cgroup's OOM-waitqueue when they request accountable memory.
 
-For running them, you have to relax the memcg's oom sitaution by
+For running them, you have to relax the memory cgroup's OOM status by
 	* enlarge limit or reduce usage.
 To reduce usage,
 	* kill some tasks.
@@ -532,7 +637,7 @@ Then, stopped tasks will work again.
 
 At reading, current status of OOM is shown.
 	oom_kill_disable 0 or 1 (if 1, oom-killer is disabled)
-	under_oom	 0 or 1 (if 1, the memcg is under OOM,tasks may
+	under_oom	 0 or 1 (if 1, the memory cgroup is under OOM, tasks may
 				 be stopped.)
 
 11. TODO

From df64f81bb1e01cbef967a96642dacf208acb7e72 Mon Sep 17 00:00:00 2001
From: David Rientjes <rientjes@google.com>
Date: Wed, 26 May 2010 14:42:41 -0700
Subject: [PATCH 3326/3638] memcg: make oom killer a no-op when no killable
 task can be found

It's pointless to try to kill current if select_bad_process() did not find
an eligible task to kill in mem_cgroup_out_of_memory() since it's
guaranteed that current is a member of the memcg that is oom and it is, by
definition, unkillable.

Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/oom_kill.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index b68e802a7a7..709aedfaa01 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -479,12 +479,9 @@ void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask)
 	read_lock(&tasklist_lock);
 retry:
 	p = select_bad_process(&points, mem);
-	if (PTR_ERR(p) == -1UL)
+	if (!p || PTR_ERR(p) == -1UL)
 		goto out;
 
-	if (!p)
-		p = current;
-
 	if (oom_kill_process(p, gfp_mask, 0, points, mem,
 				"Memory cgroup out of memory"))
 		goto retry;

From 5407a56257b6ade44fd9bcac972c99845b7413cd Mon Sep 17 00:00:00 2001
From: Phil Carmody <ext-phil.2.carmody@nokia.com>
Date: Wed, 26 May 2010 14:42:42 -0700
Subject: [PATCH 3327/3638] mm: remove unnecessary use of atomic

The bottom 4 hunks are atomically changing memory to which there are no
aliases as it's freshly allocated, so there's no need to use atomic
operations.

The other hunks are just atomic_read and atomic_set, and do not involve
any read-modify-write.  The use of atomic_{read,set} doesn't prevent a
read/write or write/write race, so if a race were possible (I'm not saying
one is), then it would still be there even with atomic_set.

See:
http://digitalvampire.org/blog/index.php/2007/05/13/atomic-cargo-cults/

Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index be5f478351b..93b0239bc34 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -152,7 +152,7 @@ struct mem_cgroup_threshold {
 /* For threshold */
 struct mem_cgroup_threshold_ary {
 	/* An array index points to threshold just below usage. */
-	atomic_t current_threshold;
+	int current_threshold;
 	/* Size of entries[] */
 	unsigned int size;
 	/* Array of thresholds */
@@ -3412,7 +3412,7 @@ static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap)
 	 * If it's not true, a threshold was crossed after last
 	 * call of __mem_cgroup_threshold().
 	 */
-	i = atomic_read(&t->current_threshold);
+	i = t->current_threshold;
 
 	/*
 	 * Iterate backward over array of thresholds starting from
@@ -3436,7 +3436,7 @@ static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap)
 		eventfd_signal(t->entries[i].eventfd, 1);
 
 	/* Update current_threshold */
-	atomic_set(&t->current_threshold, i - 1);
+	t->current_threshold = i - 1;
 unlock:
 	rcu_read_unlock();
 }
@@ -3528,7 +3528,7 @@ static int mem_cgroup_usage_register_event(struct cgroup *cgrp,
 			compare_thresholds, NULL);
 
 	/* Find current threshold */
-	atomic_set(&thresholds_new->current_threshold, -1);
+	thresholds_new->current_threshold = -1;
 	for (i = 0; i < size; i++) {
 		if (thresholds_new->entries[i].threshold < usage) {
 			/*
@@ -3536,7 +3536,7 @@ static int mem_cgroup_usage_register_event(struct cgroup *cgrp,
 			 * until rcu_assign_pointer(), so it's safe to increment
 			 * it here.
 			 */
-			atomic_inc(&thresholds_new->current_threshold);
+			++thresholds_new->current_threshold;
 		}
 	}
 
@@ -3607,7 +3607,7 @@ static int mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 	thresholds_new->size = size;
 
 	/* Copy thresholds and find current threshold */
-	atomic_set(&thresholds_new->current_threshold, -1);
+	thresholds_new->current_threshold = -1;
 	for (i = 0, j = 0; i < thresholds->size; i++) {
 		if (thresholds->entries[i].eventfd == eventfd)
 			continue;
@@ -3619,7 +3619,7 @@ static int mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 			 * until rcu_assign_pointer(), so it's safe to increment
 			 * it here.
 			 */
-			atomic_inc(&thresholds_new->current_threshold);
+			++thresholds_new->current_threshold;
 		}
 		j++;
 	}

From 315c1998e10527ff364a9883048455e609bc7232 Mon Sep 17 00:00:00 2001
From: Phil Carmody <ext-phil.2.carmody@nokia.com>
Date: Wed, 26 May 2010 14:42:43 -0700
Subject: [PATCH 3328/3638] mm: memcontrol - uninitialised return value

Only an out of memory error will cause ret to be set.

Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 93b0239bc34..8c200e86da4 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3563,7 +3563,7 @@ static int mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 	int type = MEMFILE_TYPE(cft->private);
 	u64 usage;
 	int size = 0;
-	int i, j, ret;
+	int i, j, ret = 0;
 
 	mutex_lock(&memcg->thresholds_lock);
 	if (type == _MEM)

From ac39cf8cb86c45eeac6a592ce0d58f9021a97235 Mon Sep 17 00:00:00 2001
From: "akpm@linux-foundation.org" <akpm@linux-foundation.org>
Date: Wed, 26 May 2010 14:42:46 -0700
Subject: [PATCH 3329/3638] memcg: fix mis-accounting of file mapped racy with
 migration

FILE_MAPPED per memcg of migrated file cache is not properly updated,
because our hook in page_add_file_rmap() can't know to which memcg
FILE_MAPPED should be counted.

Basically, this patch is for fixing the bug but includes some big changes
to fix up other messes.

Now, at migrating mapped file, events happen in following sequence.

 1. allocate a new page.
 2. get memcg of an old page.
 3. charge ageinst a new page before migration. But at this point,
    no changes to new page's page_cgroup, no commit for the charge.
    (IOW, PCG_USED bit is not set.)
 4. page migration replaces radix-tree, old-page and new-page.
 5. page migration remaps the new page if the old page was mapped.
 6. Here, the new page is unlocked.
 7. memcg commits the charge for newpage, Mark the new page's page_cgroup
    as PCG_USED.

Because "commit" happens after page-remap, we can count FILE_MAPPED
at "5", because we should avoid to trust page_cgroup->mem_cgroup.
if PCG_USED bit is unset.
(Note: memcg's LRU removal code does that but LRU-isolation logic is used
 for helping it. When we overwrite page_cgroup->mem_cgroup, page_cgroup is
 not on LRU or page_cgroup->mem_cgroup is NULL.)

We can lose file_mapped accounting information at 5 because FILE_MAPPED
is updated only when mapcount changes 0->1. So we should catch it.

BTW, historically, above implemntation comes from migration-failure
of anonymous page. Because we charge both of old page and new page
with mapcount=0, we can't catch
  - the page is really freed before remap.
  - migration fails but it's freed before remap
or .....corner cases.

New migration sequence with memcg is:

 1. allocate a new page.
 2. mark PageCgroupMigration to the old page.
 3. charge against a new page onto the old page's memcg. (here, new page's pc
    is marked as PageCgroupUsed.)
 4. page migration replaces radix-tree, page table, etc...
 5. At remapping, new page's page_cgroup is now makrked as "USED"
    We can catch 0->1 event and FILE_MAPPED will be properly updated.

    And we can catch SWAPOUT event after unlock this and freeing this
    page by unmap() can be caught.

 7. Clear PageCgroupMigration of the old page.

So, FILE_MAPPED will be correctly updated.

Then, for what MIGRATION flag is ?
  Without it, at migration failure, we may have to charge old page again
  because it may be fully unmapped. "charge" means that we have to dive into
  memory reclaim or something complated. So, it's better to avoid
  charge it again. Before this patch, __commit_charge() was working for
  both of the old/new page and fixed up all. But this technique has some
  racy condtion around FILE_MAPPED and SWAPOUT etc...
  Now, the kernel use MIGRATION flag and don't uncharge old page until
  the end of migration.

I hope this change will make memcg's page migration much simpler.  This
page migration has caused several troubles.  Worth to add a flag for
simplification.

Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Tested-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Reported-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/memcontrol.h  |   6 +-
 include/linux/page_cgroup.h |   5 ++
 mm/memcontrol.c             | 135 ++++++++++++++++++++++++++----------
 mm/migrate.c                |   2 +-
 4 files changed, 107 insertions(+), 41 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 05894795fdc..9411d32840b 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -90,7 +90,8 @@ int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup)
 extern struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *mem);
 
 extern int
-mem_cgroup_prepare_migration(struct page *page, struct mem_cgroup **ptr);
+mem_cgroup_prepare_migration(struct page *page,
+	struct page *newpage, struct mem_cgroup **ptr);
 extern void mem_cgroup_end_migration(struct mem_cgroup *mem,
 	struct page *oldpage, struct page *newpage);
 
@@ -227,7 +228,8 @@ static inline struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *mem)
 }
 
 static inline int
-mem_cgroup_prepare_migration(struct page *page, struct mem_cgroup **ptr)
+mem_cgroup_prepare_migration(struct page *page, struct page *newpage,
+	struct mem_cgroup **ptr)
 {
 	return 0;
 }
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index aef22ae2af4..5bb13b3db84 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -40,6 +40,7 @@ enum {
 	PCG_USED, /* this object is in use. */
 	PCG_ACCT_LRU, /* page has been accounted for */
 	PCG_FILE_MAPPED, /* page is accounted as "mapped" */
+	PCG_MIGRATION, /* under page migration */
 };
 
 #define TESTPCGFLAG(uname, lname)			\
@@ -79,6 +80,10 @@ SETPCGFLAG(FileMapped, FILE_MAPPED)
 CLEARPCGFLAG(FileMapped, FILE_MAPPED)
 TESTPCGFLAG(FileMapped, FILE_MAPPED)
 
+SETPCGFLAG(Migration, MIGRATION)
+CLEARPCGFLAG(Migration, MIGRATION)
+TESTPCGFLAG(Migration, MIGRATION)
+
 static inline int page_cgroup_nid(struct page_cgroup *pc)
 {
 	return page_to_nid(pc->page);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 8c200e86da4..df1234c0dac 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2258,7 +2258,8 @@ __mem_cgroup_uncharge_common(struct page *page, enum charge_type ctype)
 	switch (ctype) {
 	case MEM_CGROUP_CHARGE_TYPE_MAPPED:
 	case MEM_CGROUP_CHARGE_TYPE_DROP:
-		if (page_mapped(page))
+		/* See mem_cgroup_prepare_migration() */
+		if (page_mapped(page) || PageCgroupMigration(pc))
 			goto unlock_out;
 		break;
 	case MEM_CGROUP_CHARGE_TYPE_SWAPOUT:
@@ -2481,10 +2482,12 @@ static inline int mem_cgroup_move_swap_account(swp_entry_t entry,
  * Before starting migration, account PAGE_SIZE to mem_cgroup that the old
  * page belongs to.
  */
-int mem_cgroup_prepare_migration(struct page *page, struct mem_cgroup **ptr)
+int mem_cgroup_prepare_migration(struct page *page,
+	struct page *newpage, struct mem_cgroup **ptr)
 {
 	struct page_cgroup *pc;
 	struct mem_cgroup *mem = NULL;
+	enum charge_type ctype;
 	int ret = 0;
 
 	if (mem_cgroup_disabled())
@@ -2495,69 +2498,125 @@ int mem_cgroup_prepare_migration(struct page *page, struct mem_cgroup **ptr)
 	if (PageCgroupUsed(pc)) {
 		mem = pc->mem_cgroup;
 		css_get(&mem->css);
+		/*
+		 * At migrating an anonymous page, its mapcount goes down
+		 * to 0 and uncharge() will be called. But, even if it's fully
+		 * unmapped, migration may fail and this page has to be
+		 * charged again. We set MIGRATION flag here and delay uncharge
+		 * until end_migration() is called
+		 *
+		 * Corner Case Thinking
+		 * A)
+		 * When the old page was mapped as Anon and it's unmap-and-freed
+		 * while migration was ongoing.
+		 * If unmap finds the old page, uncharge() of it will be delayed
+		 * until end_migration(). If unmap finds a new page, it's
+		 * uncharged when it make mapcount to be 1->0. If unmap code
+		 * finds swap_migration_entry, the new page will not be mapped
+		 * and end_migration() will find it(mapcount==0).
+		 *
+		 * B)
+		 * When the old page was mapped but migraion fails, the kernel
+		 * remaps it. A charge for it is kept by MIGRATION flag even
+		 * if mapcount goes down to 0. We can do remap successfully
+		 * without charging it again.
+		 *
+		 * C)
+		 * The "old" page is under lock_page() until the end of
+		 * migration, so, the old page itself will not be swapped-out.
+		 * If the new page is swapped out before end_migraton, our
+		 * hook to usual swap-out path will catch the event.
+		 */
+		if (PageAnon(page))
+			SetPageCgroupMigration(pc);
 	}
 	unlock_page_cgroup(pc);
+	/*
+	 * If the page is not charged at this point,
+	 * we return here.
+	 */
+	if (!mem)
+		return 0;
 
 	*ptr = mem;
-	if (mem) {
-		ret = __mem_cgroup_try_charge(NULL, GFP_KERNEL, ptr, false);
-		css_put(&mem->css);
+	ret = __mem_cgroup_try_charge(NULL, GFP_KERNEL, ptr, false);
+	css_put(&mem->css);/* drop extra refcnt */
+	if (ret || *ptr == NULL) {
+		if (PageAnon(page)) {
+			lock_page_cgroup(pc);
+			ClearPageCgroupMigration(pc);
+			unlock_page_cgroup(pc);
+			/*
+			 * The old page may be fully unmapped while we kept it.
+			 */
+			mem_cgroup_uncharge_page(page);
+		}
+		return -ENOMEM;
 	}
+	/*
+	 * We charge new page before it's used/mapped. So, even if unlock_page()
+	 * is called before end_migration, we can catch all events on this new
+	 * page. In the case new page is migrated but not remapped, new page's
+	 * mapcount will be finally 0 and we call uncharge in end_migration().
+	 */
+	pc = lookup_page_cgroup(newpage);
+	if (PageAnon(page))
+		ctype = MEM_CGROUP_CHARGE_TYPE_MAPPED;
+	else if (page_is_file_cache(page))
+		ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
+	else
+		ctype = MEM_CGROUP_CHARGE_TYPE_SHMEM;
+	__mem_cgroup_commit_charge(mem, pc, ctype);
 	return ret;
 }
 
 /* remove redundant charge if migration failed*/
 void mem_cgroup_end_migration(struct mem_cgroup *mem,
-		struct page *oldpage, struct page *newpage)
+	struct page *oldpage, struct page *newpage)
 {
-	struct page *target, *unused;
+	struct page *used, *unused;
 	struct page_cgroup *pc;
-	enum charge_type ctype;
 
 	if (!mem)
 		return;
+	/* blocks rmdir() */
 	cgroup_exclude_rmdir(&mem->css);
 	/* at migration success, oldpage->mapping is NULL. */
 	if (oldpage->mapping) {
-		target = oldpage;
-		unused = NULL;
+		used = oldpage;
+		unused = newpage;
 	} else {
-		target = newpage;
+		used = newpage;
 		unused = oldpage;
 	}
-
-	if (PageAnon(target))
-		ctype = MEM_CGROUP_CHARGE_TYPE_MAPPED;
-	else if (page_is_file_cache(target))
-		ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
-	else
-		ctype = MEM_CGROUP_CHARGE_TYPE_SHMEM;
-
-	/* unused page is not on radix-tree now. */
-	if (unused)
-		__mem_cgroup_uncharge_common(unused, ctype);
-
-	pc = lookup_page_cgroup(target);
 	/*
-	 * __mem_cgroup_commit_charge() check PCG_USED bit of page_cgroup.
-	 * So, double-counting is effectively avoided.
+	 * We disallowed uncharge of pages under migration because mapcount
+	 * of the page goes down to zero, temporarly.
+	 * Clear the flag and check the page should be charged.
 	 */
-	__mem_cgroup_commit_charge(mem, pc, ctype);
+	pc = lookup_page_cgroup(oldpage);
+	lock_page_cgroup(pc);
+	ClearPageCgroupMigration(pc);
+	unlock_page_cgroup(pc);
 
+	if (unused != oldpage)
+		pc = lookup_page_cgroup(unused);
+	__mem_cgroup_uncharge_common(unused, MEM_CGROUP_CHARGE_TYPE_FORCE);
+
+	pc = lookup_page_cgroup(used);
 	/*
-	 * Both of oldpage and newpage are still under lock_page().
-	 * Then, we don't have to care about race in radix-tree.
-	 * But we have to be careful that this page is unmapped or not.
-	 *
-	 * There is a case for !page_mapped(). At the start of
-	 * migration, oldpage was mapped. But now, it's zapped.
-	 * But we know *target* page is not freed/reused under us.
-	 * mem_cgroup_uncharge_page() does all necessary checks.
+	 * If a page is a file cache, radix-tree replacement is very atomic
+	 * and we can skip this check. When it was an Anon page, its mapcount
+	 * goes down to 0. But because we added MIGRATION flage, it's not
+	 * uncharged yet. There are several case but page->mapcount check
+	 * and USED bit check in mem_cgroup_uncharge_page() will do enough
+	 * check. (see prepare_charge() also)
 	 */
-	if (ctype == MEM_CGROUP_CHARGE_TYPE_MAPPED)
-		mem_cgroup_uncharge_page(target);
+	if (PageAnon(used))
+		mem_cgroup_uncharge_page(used);
 	/*
-	 * At migration, we may charge account against cgroup which has no tasks
+	 * At migration, we may charge account against cgroup which has no
+	 * tasks.
 	 * So, rmdir()->pre_destroy() can be called while we do this charge.
 	 * In that case, we need to call pre_destroy() again. check it here.
 	 */
diff --git a/mm/migrate.c b/mm/migrate.c
index 09e2471afa0..4205b1d6049 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -590,7 +590,7 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 	}
 
 	/* charge against new page */
-	charge = mem_cgroup_prepare_migration(page, &mem);
+	charge = mem_cgroup_prepare_migration(page, newpage, &mem);
 	if (charge == -ENOMEM) {
 		rc = -ENOMEM;
 		goto unlock;

From 907860ed381a31b0102f362df67c1c5cae6ef050 Mon Sep 17 00:00:00 2001
From: "Kirill A. Shutemov" <kirill@shutemov.name>
Date: Wed, 26 May 2010 14:42:46 -0700
Subject: [PATCH 3330/3638] cgroups: make cftype.unregister_event()
 void-returning

Since we are unable to handle an error returned by
cftype.unregister_event() properly, let's make the callback
void-returning.

mem_cgroup_unregister_event() has been rewritten to be a "never fail"
function.  On mem_cgroup_usage_register_event() we save old buffer for
thresholds array and reuse it in mem_cgroup_usage_unregister_event() to
avoid allocation.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Phil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/cgroup.h |  2 +-
 kernel/cgroup.c        |  1 -
 mm/memcontrol.c        | 65 ++++++++++++++++++++++++++----------------
 3 files changed, 42 insertions(+), 26 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 8f78073d7ca..0c621604baa 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -397,7 +397,7 @@ struct cftype {
 	 * This callback must be implemented, if you want provide
 	 * notification functionality.
 	 */
-	int (*unregister_event)(struct cgroup *cgrp, struct cftype *cft,
+	void (*unregister_event)(struct cgroup *cgrp, struct cftype *cft,
 			struct eventfd_ctx *eventfd);
 };
 
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 291775021b2..422cb19f156 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2994,7 +2994,6 @@ static void cgroup_event_remove(struct work_struct *work)
 			remove);
 	struct cgroup *cgrp = event->cgrp;
 
-	/* TODO: check return code */
 	event->cft->unregister_event(cgrp, event->cft, event->eventfd);
 
 	eventfd_ctx_put(event->eventfd);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index df1234c0dac..a4172a861b3 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -226,9 +226,19 @@ struct mem_cgroup {
 	/* thresholds for memory usage. RCU-protected */
 	struct mem_cgroup_threshold_ary *thresholds;
 
+	/*
+	 * Preallocated buffer to be used in mem_cgroup_unregister_event()
+	 * to make it "never fail".
+	 * It must be able to store at least thresholds->size - 1 entries.
+	 */
+	struct mem_cgroup_threshold_ary *__thresholds;
+
 	/* thresholds for mem+swap usage. RCU-protected */
 	struct mem_cgroup_threshold_ary *memsw_thresholds;
 
+	/* the same as __thresholds, but for memsw_thresholds */
+	struct mem_cgroup_threshold_ary *__memsw_thresholds;
+
 	/* For oom notifier event fd */
 	struct list_head oom_notify;
 
@@ -3604,17 +3614,27 @@ static int mem_cgroup_usage_register_event(struct cgroup *cgrp,
 	else
 		rcu_assign_pointer(memcg->memsw_thresholds, thresholds_new);
 
-	/* To be sure that nobody uses thresholds before freeing it */
+	/* To be sure that nobody uses thresholds */
 	synchronize_rcu();
 
-	kfree(thresholds);
+	/*
+	 * Free old preallocated buffer and use thresholds as new
+	 * preallocated buffer.
+	 */
+	if (type == _MEM) {
+		kfree(memcg->__thresholds);
+		memcg->__thresholds = thresholds;
+	} else {
+		kfree(memcg->__memsw_thresholds);
+		memcg->__memsw_thresholds = thresholds;
+	}
 unlock:
 	mutex_unlock(&memcg->thresholds_lock);
 
 	return ret;
 }
 
-static int mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
+static void mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 	struct cftype *cft, struct eventfd_ctx *eventfd)
 {
 	struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
@@ -3622,7 +3642,7 @@ static int mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 	int type = MEMFILE_TYPE(cft->private);
 	u64 usage;
 	int size = 0;
-	int i, j, ret = 0;
+	int i, j;
 
 	mutex_lock(&memcg->thresholds_lock);
 	if (type == _MEM)
@@ -3649,20 +3669,19 @@ static int mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 			size++;
 	}
 
+	/* Use preallocated buffer for new array of thresholds */
+	if (type == _MEM)
+		thresholds_new = memcg->__thresholds;
+	else
+		thresholds_new = memcg->__memsw_thresholds;
+
 	/* Set thresholds array to NULL if we don't have thresholds */
 	if (!size) {
+		kfree(thresholds_new);
 		thresholds_new = NULL;
-		goto assign;
+		goto swap_buffers;
 	}
 
-	/* Allocate memory for new array of thresholds */
-	thresholds_new = kmalloc(sizeof(*thresholds_new) +
-			size * sizeof(struct mem_cgroup_threshold),
-			GFP_KERNEL);
-	if (!thresholds_new) {
-		ret = -ENOMEM;
-		goto unlock;
-	}
 	thresholds_new->size = size;
 
 	/* Copy thresholds and find current threshold */
@@ -3683,20 +3702,20 @@ static int mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 		j++;
 	}
 
-assign:
-	if (type == _MEM)
+swap_buffers:
+	/* Swap thresholds array and preallocated buffer */
+	if (type == _MEM) {
+		memcg->__thresholds = thresholds;
 		rcu_assign_pointer(memcg->thresholds, thresholds_new);
-	else
+	} else {
+		memcg->__memsw_thresholds = thresholds;
 		rcu_assign_pointer(memcg->memsw_thresholds, thresholds_new);
+	}
 
-	/* To be sure that nobody uses thresholds before freeing it */
+	/* To be sure that nobody uses thresholds */
 	synchronize_rcu();
 
-	kfree(thresholds);
-unlock:
 	mutex_unlock(&memcg->thresholds_lock);
-
-	return ret;
 }
 
 static int mem_cgroup_oom_register_event(struct cgroup *cgrp,
@@ -3724,7 +3743,7 @@ static int mem_cgroup_oom_register_event(struct cgroup *cgrp,
 	return 0;
 }
 
-static int mem_cgroup_oom_unregister_event(struct cgroup *cgrp,
+static void mem_cgroup_oom_unregister_event(struct cgroup *cgrp,
 	struct cftype *cft, struct eventfd_ctx *eventfd)
 {
 	struct mem_cgroup *mem = mem_cgroup_from_cont(cgrp);
@@ -3743,8 +3762,6 @@ static int mem_cgroup_oom_unregister_event(struct cgroup *cgrp,
 	}
 
 	mutex_unlock(&memcg_oom_mutex);
-
-	return 0;
 }
 
 static int mem_cgroup_oom_control_read(struct cgroup *cgrp,

From 2c488db27b614816024e7994117f599337de0f34 Mon Sep 17 00:00:00 2001
From: "Kirill A. Shutemov" <kirill@shutemov.name>
Date: Wed, 26 May 2010 14:42:47 -0700
Subject: [PATCH 3331/3638] memcg: clean up memory thresholds

Introduce struct mem_cgroup_thresholds.  It helps to reduce number of
checks of thresholds type (memory or mem+swap).

[akpm@linux-foundation.org: repair comment]
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Phil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 151 +++++++++++++++++++++---------------------------
 1 file changed, 66 insertions(+), 85 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index a4172a861b3..c6ece0a5759 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -158,6 +158,18 @@ struct mem_cgroup_threshold_ary {
 	/* Array of thresholds */
 	struct mem_cgroup_threshold entries[0];
 };
+
+struct mem_cgroup_thresholds {
+	/* Primary thresholds array */
+	struct mem_cgroup_threshold_ary *primary;
+	/*
+	 * Spare threshold array.
+	 * This is needed to make mem_cgroup_unregister_event() "never fail".
+	 * It must be able to store at least primary->size - 1 entries.
+	 */
+	struct mem_cgroup_threshold_ary *spare;
+};
+
 /* for OOM */
 struct mem_cgroup_eventfd_list {
 	struct list_head list;
@@ -224,20 +236,10 @@ struct mem_cgroup {
 	struct mutex thresholds_lock;
 
 	/* thresholds for memory usage. RCU-protected */
-	struct mem_cgroup_threshold_ary *thresholds;
-
-	/*
-	 * Preallocated buffer to be used in mem_cgroup_unregister_event()
-	 * to make it "never fail".
-	 * It must be able to store at least thresholds->size - 1 entries.
-	 */
-	struct mem_cgroup_threshold_ary *__thresholds;
+	struct mem_cgroup_thresholds thresholds;
 
 	/* thresholds for mem+swap usage. RCU-protected */
-	struct mem_cgroup_threshold_ary *memsw_thresholds;
-
-	/* the same as __thresholds, but for memsw_thresholds */
-	struct mem_cgroup_threshold_ary *__memsw_thresholds;
+	struct mem_cgroup_thresholds memsw_thresholds;
 
 	/* For oom notifier event fd */
 	struct list_head oom_notify;
@@ -3467,9 +3469,9 @@ static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap)
 
 	rcu_read_lock();
 	if (!swap)
-		t = rcu_dereference(memcg->thresholds);
+		t = rcu_dereference(memcg->thresholds.primary);
 	else
-		t = rcu_dereference(memcg->memsw_thresholds);
+		t = rcu_dereference(memcg->memsw_thresholds.primary);
 
 	if (!t)
 		goto unlock;
@@ -3543,91 +3545,78 @@ static int mem_cgroup_usage_register_event(struct cgroup *cgrp,
 	struct cftype *cft, struct eventfd_ctx *eventfd, const char *args)
 {
 	struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
-	struct mem_cgroup_threshold_ary *thresholds, *thresholds_new;
+	struct mem_cgroup_thresholds *thresholds;
+	struct mem_cgroup_threshold_ary *new;
 	int type = MEMFILE_TYPE(cft->private);
 	u64 threshold, usage;
-	int size;
-	int i, ret;
+	int i, size, ret;
 
 	ret = res_counter_memparse_write_strategy(args, &threshold);
 	if (ret)
 		return ret;
 
 	mutex_lock(&memcg->thresholds_lock);
+
 	if (type == _MEM)
-		thresholds = memcg->thresholds;
+		thresholds = &memcg->thresholds;
 	else if (type == _MEMSWAP)
-		thresholds = memcg->memsw_thresholds;
+		thresholds = &memcg->memsw_thresholds;
 	else
 		BUG();
 
 	usage = mem_cgroup_usage(memcg, type == _MEMSWAP);
 
 	/* Check if a threshold crossed before adding a new one */
-	if (thresholds)
+	if (thresholds->primary)
 		__mem_cgroup_threshold(memcg, type == _MEMSWAP);
 
-	if (thresholds)
-		size = thresholds->size + 1;
-	else
-		size = 1;
+	size = thresholds->primary ? thresholds->primary->size + 1 : 1;
 
 	/* Allocate memory for new array of thresholds */
-	thresholds_new = kmalloc(sizeof(*thresholds_new) +
-			size * sizeof(struct mem_cgroup_threshold),
+	new = kmalloc(sizeof(*new) + size * sizeof(struct mem_cgroup_threshold),
 			GFP_KERNEL);
-	if (!thresholds_new) {
+	if (!new) {
 		ret = -ENOMEM;
 		goto unlock;
 	}
-	thresholds_new->size = size;
+	new->size = size;
 
 	/* Copy thresholds (if any) to new array */
-	if (thresholds)
-		memcpy(thresholds_new->entries, thresholds->entries,
-				thresholds->size *
+	if (thresholds->primary) {
+		memcpy(new->entries, thresholds->primary->entries, (size - 1) *
 				sizeof(struct mem_cgroup_threshold));
+	}
+
 	/* Add new threshold */
-	thresholds_new->entries[size - 1].eventfd = eventfd;
-	thresholds_new->entries[size - 1].threshold = threshold;
+	new->entries[size - 1].eventfd = eventfd;
+	new->entries[size - 1].threshold = threshold;
 
 	/* Sort thresholds. Registering of new threshold isn't time-critical */
-	sort(thresholds_new->entries, size,
-			sizeof(struct mem_cgroup_threshold),
+	sort(new->entries, size, sizeof(struct mem_cgroup_threshold),
 			compare_thresholds, NULL);
 
 	/* Find current threshold */
-	thresholds_new->current_threshold = -1;
+	new->current_threshold = -1;
 	for (i = 0; i < size; i++) {
-		if (thresholds_new->entries[i].threshold < usage) {
+		if (new->entries[i].threshold < usage) {
 			/*
-			 * thresholds_new->current_threshold will not be used
-			 * until rcu_assign_pointer(), so it's safe to increment
+			 * new->current_threshold will not be used until
+			 * rcu_assign_pointer(), so it's safe to increment
 			 * it here.
 			 */
-			++thresholds_new->current_threshold;
+			++new->current_threshold;
 		}
 	}
 
-	if (type == _MEM)
-		rcu_assign_pointer(memcg->thresholds, thresholds_new);
-	else
-		rcu_assign_pointer(memcg->memsw_thresholds, thresholds_new);
+	/* Free old spare buffer and save old primary buffer as spare */
+	kfree(thresholds->spare);
+	thresholds->spare = thresholds->primary;
+
+	rcu_assign_pointer(thresholds->primary, new);
 
 	/* To be sure that nobody uses thresholds */
 	synchronize_rcu();
 
-	/*
-	 * Free old preallocated buffer and use thresholds as new
-	 * preallocated buffer.
-	 */
-	if (type == _MEM) {
-		kfree(memcg->__thresholds);
-		memcg->__thresholds = thresholds;
-	} else {
-		kfree(memcg->__memsw_thresholds);
-		memcg->__memsw_thresholds = thresholds;
-	}
 unlock:
 	mutex_unlock(&memcg->thresholds_lock);
 
@@ -3638,17 +3627,17 @@ static void mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 	struct cftype *cft, struct eventfd_ctx *eventfd)
 {
 	struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
-	struct mem_cgroup_threshold_ary *thresholds, *thresholds_new;
+	struct mem_cgroup_thresholds *thresholds;
+	struct mem_cgroup_threshold_ary *new;
 	int type = MEMFILE_TYPE(cft->private);
 	u64 usage;
-	int size = 0;
-	int i, j;
+	int i, j, size;
 
 	mutex_lock(&memcg->thresholds_lock);
 	if (type == _MEM)
-		thresholds = memcg->thresholds;
+		thresholds = &memcg->thresholds;
 	else if (type == _MEMSWAP)
-		thresholds = memcg->memsw_thresholds;
+		thresholds = &memcg->memsw_thresholds;
 	else
 		BUG();
 
@@ -3664,53 +3653,45 @@ static void mem_cgroup_usage_unregister_event(struct cgroup *cgrp,
 	__mem_cgroup_threshold(memcg, type == _MEMSWAP);
 
 	/* Calculate new number of threshold */
-	for (i = 0; i < thresholds->size; i++) {
-		if (thresholds->entries[i].eventfd != eventfd)
+	size = 0;
+	for (i = 0; i < thresholds->primary->size; i++) {
+		if (thresholds->primary->entries[i].eventfd != eventfd)
 			size++;
 	}
 
-	/* Use preallocated buffer for new array of thresholds */
-	if (type == _MEM)
-		thresholds_new = memcg->__thresholds;
-	else
-		thresholds_new = memcg->__memsw_thresholds;
+	new = thresholds->spare;
 
 	/* Set thresholds array to NULL if we don't have thresholds */
 	if (!size) {
-		kfree(thresholds_new);
-		thresholds_new = NULL;
+		kfree(new);
+		new = NULL;
 		goto swap_buffers;
 	}
 
-	thresholds_new->size = size;
+	new->size = size;
 
 	/* Copy thresholds and find current threshold */
-	thresholds_new->current_threshold = -1;
-	for (i = 0, j = 0; i < thresholds->size; i++) {
-		if (thresholds->entries[i].eventfd == eventfd)
+	new->current_threshold = -1;
+	for (i = 0, j = 0; i < thresholds->primary->size; i++) {
+		if (thresholds->primary->entries[i].eventfd == eventfd)
 			continue;
 
-		thresholds_new->entries[j] = thresholds->entries[i];
-		if (thresholds_new->entries[j].threshold < usage) {
+		new->entries[j] = thresholds->primary->entries[i];
+		if (new->entries[j].threshold < usage) {
 			/*
-			 * thresholds_new->current_threshold will not be used
+			 * new->current_threshold will not be used
 			 * until rcu_assign_pointer(), so it's safe to increment
 			 * it here.
 			 */
-			++thresholds_new->current_threshold;
+			++new->current_threshold;
 		}
 		j++;
 	}
 
 swap_buffers:
-	/* Swap thresholds array and preallocated buffer */
-	if (type == _MEM) {
-		memcg->__thresholds = thresholds;
-		rcu_assign_pointer(memcg->thresholds, thresholds_new);
-	} else {
-		memcg->__memsw_thresholds = thresholds;
-		rcu_assign_pointer(memcg->memsw_thresholds, thresholds_new);
-	}
+	/* Swap primary and spare array */
+	thresholds->spare = thresholds->primary;
+	rcu_assign_pointer(thresholds->primary, new);
 
 	/* To be sure that nobody uses thresholds */
 	synchronize_rcu();

From 6adef3ebe570bcde67fd6c16101451ddde5712b5 Mon Sep 17 00:00:00 2001
From: Jack Steiner <steiner@sgi.com>
Date: Wed, 26 May 2010 14:42:49 -0700
Subject: [PATCH 3332/3638] cpusets: new round-robin rotor for SLAB allocations

We have observed several workloads running on multi-node systems where
memory is assigned unevenly across the nodes in the system.  There are
numerous reasons for this but one is the round-robin rotor in
cpuset_mem_spread_node().

For example, a simple test that writes a multi-page file will allocate
pages on nodes 0 2 4 6 ...  Odd nodes are skipped.  (Sometimes it
allocates on odd nodes & skips even nodes).

An example is shown below.  The program "lfile" writes a file consisting
of 10 pages.  The program then mmaps the file & uses get_mempolicy(...,
MPOL_F_NODE) to determine the nodes where the file pages were allocated.
The output is shown below:

	# ./lfile
	 allocated on nodes: 2 4 6 0 1 2 6 0 2

There is a single rotor that is used for allocating both file pages & slab
pages.  Writing the file allocates both a data page & a slab page
(buffer_head).  This advances the RR rotor 2 nodes for each page
allocated.

A quick confirmation seems to confirm this is the cause of the uneven
allocation:

	# echo 0 >/dev/cpuset/memory_spread_slab
	# ./lfile
	 allocated on nodes: 6 7 8 9 0 1 2 3 4 5

This patch introduces a second rotor that is used for slab allocations.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Paul Menage <menage@google.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: Robin Holt <holt@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/cpuset.h |  6 ++++++
 include/linux/sched.h  |  1 +
 kernel/cpuset.c        | 20 ++++++++++++++++----
 mm/slab.c              |  2 +-
 4 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 20b51cab659..457ed765a11 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -69,6 +69,7 @@ extern void cpuset_task_status_allowed(struct seq_file *m,
 					struct task_struct *task);
 
 extern int cpuset_mem_spread_node(void);
+extern int cpuset_slab_spread_node(void);
 
 static inline int cpuset_do_page_mem_spread(void)
 {
@@ -194,6 +195,11 @@ static inline int cpuset_mem_spread_node(void)
 	return 0;
 }
 
+static inline int cpuset_slab_spread_node(void)
+{
+	return 0;
+}
+
 static inline int cpuset_do_page_mem_spread(void)
 {
 	return 0;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c0151ffd354..4f31a166b1a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1423,6 +1423,7 @@ struct task_struct {
 	nodemask_t mems_allowed;	/* Protected by alloc_lock */
 	int mems_allowed_change_disable;
 	int cpuset_mem_spread_rotor;
+	int cpuset_slab_spread_rotor;
 #endif
 #ifdef CONFIG_CGROUPS
 	/* Control Group info protected by css_set_lock */
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 61d6af7fa67..02b9611eadd 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2469,7 +2469,8 @@ void cpuset_unlock(void)
 }
 
 /**
- * cpuset_mem_spread_node() - On which node to begin search for a page
+ * cpuset_mem_spread_node() - On which node to begin search for a file page
+ * cpuset_slab_spread_node() - On which node to begin search for a slab page
  *
  * If a task is marked PF_SPREAD_PAGE or PF_SPREAD_SLAB (as for
  * tasks in a cpuset with is_spread_page or is_spread_slab set),
@@ -2494,16 +2495,27 @@ void cpuset_unlock(void)
  * See kmem_cache_alloc_node().
  */
 
-int cpuset_mem_spread_node(void)
+static int cpuset_spread_node(int *rotor)
 {
 	int node;
 
-	node = next_node(current->cpuset_mem_spread_rotor, current->mems_allowed);
+	node = next_node(*rotor, current->mems_allowed);
 	if (node == MAX_NUMNODES)
 		node = first_node(current->mems_allowed);
-	current->cpuset_mem_spread_rotor = node;
+	*rotor = node;
 	return node;
 }
+
+int cpuset_mem_spread_node(void)
+{
+	return cpuset_spread_node(&current->cpuset_mem_spread_rotor);
+}
+
+int cpuset_slab_spread_node(void)
+{
+	return cpuset_spread_node(&current->cpuset_slab_spread_rotor);
+}
+
 EXPORT_SYMBOL_GPL(cpuset_mem_spread_node);
 
 /**
diff --git a/mm/slab.c b/mm/slab.c
index 02786e1a32d..8270ba3d198 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3219,7 +3219,7 @@ static void *alternate_node_alloc(struct kmem_cache *cachep, gfp_t flags)
 	nid_alloc = nid_here = numa_node_id();
 	get_mems_allowed();
 	if (cpuset_do_slab_mem_spread() && (cachep->flags & SLAB_MEM_SPREAD))
-		nid_alloc = cpuset_mem_spread_node();
+		nid_alloc = cpuset_slab_spread_node();
 	else if (current->mempolicy)
 		nid_alloc = slab_node(current->mempolicy);
 	put_mems_allowed();

From 0ac0c0d0f837c499afd02a802f9cf52d3027fa3b Mon Sep 17 00:00:00 2001
From: Jack Steiner <steiner@sgi.com>
Date: Wed, 26 May 2010 14:42:51 -0700
Subject: [PATCH 3333/3638] cpusets: randomize node rotor used in
 cpuset_mem_spread_node()

Some workloads that create a large number of small files tend to assign
too many pages to node 0 (multi-node systems).  Part of the reason is that
the rotor (in cpuset_mem_spread_node()) used to assign nodes starts at
node 0 for newly created tasks.

This patch changes the rotor to be initialized to a random node number of
the cpuset.

[akpm@linux-foundation.org: fix layout]
[Lee.Schermerhorn@hp.com: Define stub numa_random() for !NUMA configuration]
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Paul Menage <menage@google.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: Robin Holt <holt@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/mm/numa.c       | 17 +++++++++++++++++
 include/linux/bitmap.h   |  1 +
 include/linux/nodemask.h |  8 ++++++++
 kernel/fork.c            |  4 ++++
 lib/bitmap.c             |  2 +-
 5 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 550df481acc..10c27bb1e95 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -2,6 +2,7 @@
 #include <linux/topology.h>
 #include <linux/module.h>
 #include <linux/bootmem.h>
+#include <linux/random.h>
 
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
 # define DBG(x...) printk(KERN_DEBUG x)
@@ -65,3 +66,19 @@ const struct cpumask *cpumask_of_node(int node)
 }
 EXPORT_SYMBOL(cpumask_of_node);
 #endif
+
+/*
+ * Return the bit number of a random bit set in the nodemask.
+ *   (returns -1 if nodemask is empty)
+ */
+int __node_random(const nodemask_t *maskp)
+{
+	int w, bit = -1;
+
+	w = nodes_weight(*maskp);
+	if (w)
+		bit = bitmap_ord_to_pos(maskp->bits,
+			get_random_int() % w, MAX_NUMNODES);
+	return bit;
+}
+EXPORT_SYMBOL(__node_random);
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index daf8c480c78..6fb2720882f 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -141,6 +141,7 @@ extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
 extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
 extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);
 extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
+extern int bitmap_ord_to_pos(const unsigned long *bitmap, int n, int bits);
 
 #define BITMAP_LAST_WORD_MASK(nbits)					\
 (									\
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index dba35e41337..8a8f1d09c13 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -66,6 +66,8 @@
  * int num_online_nodes()		Number of online Nodes
  * int num_possible_nodes()		Number of all possible Nodes
  *
+ * int node_random(mask)		Random node with set bit in mask
+ *
  * int node_online(node)		Is some node online?
  * int node_possible(node)		Is some node possible?
  *
@@ -430,6 +432,10 @@ static inline void node_set_offline(int nid)
 	node_clear_state(nid, N_ONLINE);
 	nr_online_nodes = num_node_state(N_ONLINE);
 }
+
+#define node_random(mask) __node_random(&(mask))
+extern int __node_random(const nodemask_t *maskp);
+
 #else
 
 static inline int node_state(int node, enum node_states state)
@@ -460,6 +466,8 @@ static inline int num_node_state(enum node_states state)
 
 #define node_set_online(node)	   node_set_state((node), N_ONLINE)
 #define node_set_offline(node)	   node_clear_state((node), N_ONLINE)
+
+static inline int node_random(const nodemask_t mask) { return 0; }
 #endif
 
 #define node_online_map 	node_states[N_ONLINE]
diff --git a/kernel/fork.c b/kernel/fork.c
index 4d57d9e3a6e..2e9cc3139ec 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1079,6 +1079,10 @@ static struct task_struct *copy_process(unsigned long clone_flags,
  	}
 	mpol_fix_fork_child_flag(p);
 #endif
+#ifdef CONFIG_CPUSETS
+	p->cpuset_mem_spread_rotor = node_random(p->mems_allowed);
+	p->cpuset_slab_spread_rotor = node_random(p->mems_allowed);
+#endif
 #ifdef CONFIG_TRACE_IRQFLAGS
 	p->irq_events = 0;
 #ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW
diff --git a/lib/bitmap.c b/lib/bitmap.c
index ffb78c916cc..d7137e7e06e 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -672,7 +672,7 @@ static int bitmap_pos_to_ord(const unsigned long *buf, int pos, int bits)
  *
  * The bit positions 0 through @bits are valid positions in @buf.
  */
-static int bitmap_ord_to_pos(const unsigned long *buf, int ord, int bits)
+int bitmap_ord_to_pos(const unsigned long *buf, int ord, int bits)
 {
 	int pos = 0;
 

From 9c1a125921d146f22cf28ff366ff69fd602a0e9b Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 26 May 2010 14:42:52 -0700
Subject: [PATCH 3334/3638] ptrace: unify FDPIC implementations

The Blackfin/FRV/SuperH guys all have the same exact FDPIC ptrace code in
their arch handlers (since they were probably copied & pasted).  Since
these ptrace interfaces are an arch independent aspect of the FDPIC code,
unify them in the common ptrace code so new FDPIC ports don't need to copy
and paste this fundamental stuff yet again.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/blackfin/kernel/ptrace.c | 33 +++++++++------------------------
 arch/frv/kernel/ptrace.c      | 20 --------------------
 arch/sh/kernel/ptrace_32.c    | 23 -----------------------
 kernel/ptrace.c               | 20 ++++++++++++++++++++
 4 files changed, 29 insertions(+), 67 deletions(-)

diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index 43eb969405d..6ec77685df5 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -292,28 +292,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			break;
 		}
 
-#ifdef CONFIG_BINFMT_ELF_FDPIC
-	case PTRACE_GETFDPIC: {
-		unsigned long tmp = 0;
-
-		switch (addr) {
-		case_PTRACE_GETFDPIC_EXEC:
-		case PTRACE_GETFDPIC_EXEC:
-			tmp = child->mm->context.exec_fdpic_loadmap;
-			break;
-		case_PTRACE_GETFDPIC_INTERP:
-		case PTRACE_GETFDPIC_INTERP:
-			tmp = child->mm->context.interp_fdpic_loadmap;
-			break;
-		default:
-			break;
-		}
-
-		ret = put_user(tmp, datap);
-		break;
-	}
-#endif
-
 		/* when I and D space are separate, this will have to be fixed. */
 	case PTRACE_POKEDATA:
 		pr_debug("ptrace: PTRACE_PEEKDATA\n");
@@ -357,8 +335,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	case PTRACE_PEEKUSR:
 		switch (addr) {
 #ifdef CONFIG_BINFMT_ELF_FDPIC	/* backwards compat */
-		case PT_FDPIC_EXEC:   goto case_PTRACE_GETFDPIC_EXEC;
-		case PT_FDPIC_INTERP: goto case_PTRACE_GETFDPIC_INTERP;
+		case PT_FDPIC_EXEC:
+			request = PTRACE_GETFDPIC;
+			addr = PTRACE_GETFDPIC_EXEC;
+			goto case_default;
+		case PT_FDPIC_INTERP:
+			request = PTRACE_GETFDPIC;
+			addr = PTRACE_GETFDPIC_INTERP;
+			goto case_default;
 #endif
 		default:
 			ret = get_reg(child, addr, datap);
@@ -385,6 +369,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 					     0, sizeof(struct pt_regs),
 					     (const void __user *)data);
 
+	case_default:
 	default:
 		ret = ptrace_request(child, request, addr, data);
 		break;
diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c
index 60eeed3694c..fac028936a0 100644
--- a/arch/frv/kernel/ptrace.c
+++ b/arch/frv/kernel/ptrace.c
@@ -344,26 +344,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 					     0, sizeof(child->thread.user->f),
 					     (const void __user *)data);
 
-	case PTRACE_GETFDPIC:
-		tmp = 0;
-		switch (addr) {
-		case PTRACE_GETFDPIC_EXEC:
-			tmp = child->mm->context.exec_fdpic_loadmap;
-			break;
-		case PTRACE_GETFDPIC_INTERP:
-			tmp = child->mm->context.interp_fdpic_loadmap;
-			break;
-		default:
-			break;
-		}
-
-		ret = 0;
-		if (put_user(tmp, (unsigned long *) data)) {
-			ret = -EFAULT;
-			break;
-		}
-		break;
-
 	default:
 		ret = ptrace_request(child, request, addr, data);
 		break;
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index d4104ce9fe5..6c4bbba2a67 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -435,29 +435,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 					     REGSET_DSP,
 					     0, sizeof(struct pt_dspregs),
 					     (const void __user *)data);
-#endif
-#ifdef CONFIG_BINFMT_ELF_FDPIC
-	case PTRACE_GETFDPIC: {
-		unsigned long tmp = 0;
-
-		switch (addr) {
-		case PTRACE_GETFDPIC_EXEC:
-			tmp = child->mm->context.exec_fdpic_loadmap;
-			break;
-		case PTRACE_GETFDPIC_INTERP:
-			tmp = child->mm->context.interp_fdpic_loadmap;
-			break;
-		default:
-			break;
-		}
-
-		ret = 0;
-		if (put_user(tmp, datap)) {
-			ret = -EFAULT;
-			break;
-		}
-		break;
-	}
 #endif
 	default:
 		ret = ptrace_request(child, request, addr, data);
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 6af9cdd558b..4b4f72084d1 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -594,6 +594,26 @@ int ptrace_request(struct task_struct *child, long request,
 		ret = ptrace_detach(child, data);
 		break;
 
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+	case PTRACE_GETFDPIC: {
+		unsigned long tmp = 0;
+
+		switch (addr) {
+		case PTRACE_GETFDPIC_EXEC:
+			tmp = child->mm->context.exec_fdpic_loadmap;
+			break;
+		case PTRACE_GETFDPIC_INTERP:
+			tmp = child->mm->context.interp_fdpic_loadmap;
+			break;
+		default:
+			break;
+		}
+
+		ret = put_user(tmp, (unsigned long __user *) data);
+		break;
+	}
+#endif
+
 #ifdef PTRACE_SINGLESTEP
 	case PTRACE_SINGLESTEP:
 #endif

From e0129ef91ed758c06b6557c36124acfb2e1c7305 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:42:53 -0700
Subject: [PATCH 3335/3638] ptrace: PTRACE_GETFDPIC: fix the unsafe usage of
 child->mm

Now that Mike Frysinger unified the FDPIC ptrace code, we can fix the
unsafe usage of child->mm in ptrace_request(PTRACE_GETFDPIC).

We have the reference to task_struct, and ptrace_check_attach() verified
the tracee is stopped.  But nothing can protect from SIGKILL after that,
we must not assume child->mm != NULL.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Mike Frysinger <vapier.adi@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Greg Ungerer <gerg@snapgear.com>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/ptrace.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 4b4f72084d1..74a3d693c19 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -596,18 +596,24 @@ int ptrace_request(struct task_struct *child, long request,
 
 #ifdef CONFIG_BINFMT_ELF_FDPIC
 	case PTRACE_GETFDPIC: {
+		struct mm_struct *mm = get_task_mm(child);
 		unsigned long tmp = 0;
 
+		ret = -ESRCH;
+		if (!mm)
+			break;
+
 		switch (addr) {
 		case PTRACE_GETFDPIC_EXEC:
-			tmp = child->mm->context.exec_fdpic_loadmap;
+			tmp = mm->context.exec_fdpic_loadmap;
 			break;
 		case PTRACE_GETFDPIC_INTERP:
-			tmp = child->mm->context.interp_fdpic_loadmap;
+			tmp = mm->context.interp_fdpic_loadmap;
 			break;
 		default:
 			break;
 		}
+		mmput(mm);
 
 		ret = put_user(tmp, (unsigned long __user *) data);
 		break;

From 065add3941bdca54fe04ed3471a96bce9af88793 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:42:54 -0700
Subject: [PATCH 3336/3638] signals: check_kill_permission(): don't check creds
 if same_thread_group()

Andrew Tridgell reports that aio_read(SIGEV_SIGNAL) can fail if the
notification from the helper thread races with setresuid(), see
http://samba.org/~tridge/junkcode/aio_uid.c

This happens because check_kill_permission() doesn't permit sending a
signal to the task with the different cred->xids.  But there is not any
security reason to check ->cred's when the task sends a signal (private or
group-wide) to its sub-thread.  Whatever we do, any thread can bypass all
security checks and send SIGKILL to all threads, or it can block a signal
SIG and do kill(gettid(), SIG) to deliver this signal to another
sub-thread.  Not to mention that CLONE_THREAD implies CLONE_VM.

Change check_kill_permission() to avoid the credentials check when the
sender and the target are from the same thread group.

Also, move "cred = current_cred()" down to avoid calling get_current()
twice.

Note: David Howells pointed out we could relax this even more, the
CLONE_SIGHAND (without CLONE_THREAD) case probably does not need
these checks too.

Roland said:
: The glibc (libpthread) that does set*id across threads has
: been in use for a while (2.3.4?), probably in distro's using kernels as old
: or older than any active -stable streams.  In the race in question, this
: kernel bug is breaking valid POSIX application expectations.

Reported-by: Andrew Tridgell <tridge@samba.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Eric Paris <eparis@parisplace.org>
Cc: Jakub Jelinek <jakub@redhat.com>
Cc: James Morris <jmorris@namei.org>
Cc: Roland McGrath <roland@redhat.com>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: <stable@kernel.org>		[all kernel versions]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/signal.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 825a3f24ad7..2ee9573ed11 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -642,7 +642,7 @@ static inline bool si_fromuser(const struct siginfo *info)
 static int check_kill_permission(int sig, struct siginfo *info,
 				 struct task_struct *t)
 {
-	const struct cred *cred = current_cred(), *tcred;
+	const struct cred *cred, *tcred;
 	struct pid *sid;
 	int error;
 
@@ -656,8 +656,10 @@ static int check_kill_permission(int sig, struct siginfo *info,
 	if (error)
 		return error;
 
+	cred = current_cred();
 	tcred = __task_cred(t);
-	if ((cred->euid ^ tcred->suid) &&
+	if (!same_thread_group(current, t) &&
+	    (cred->euid ^ tcred->suid) &&
 	    (cred->euid ^ tcred->uid) &&
 	    (cred->uid  ^ tcred->suid) &&
 	    (cred->uid  ^ tcred->uid) &&

From a06a4dc3a08201ff6a8a958f935b3cbf7744115f Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@tuxdriver.com>
Date: Wed, 26 May 2010 14:42:58 -0700
Subject: [PATCH 3337/3638] kmod: add init function to usermodehelper

About 6 months ago, I made a set of changes to how the core-dump-to-a-pipe
feature in the kernel works.  We had reports of several races, including
some reports of apps bypassing our recursion check so that a process that
was forked as part of a core_pattern setup could infinitely crash and
refork until the system crashed.

We fixed those by improving our recursion checks.  The new check basically
refuses to fork a process if its core limit is zero, which works well.

Unfortunately, I've been getting grief from maintainer of user space
programs that are inserted as the forked process of core_pattern.  They
contend that in order for their programs (such as abrt and apport) to
work, all the running processes in a system must have their core limits
set to a non-zero value, to which I say 'yes'.  I did this by design, and
think thats the right way to do things.

But I've been asked to ease this burden on user space enough times that I
thought I would take a look at it.  The first suggestion was to make the
recursion check fail on a non-zero 'special' number, like one.  That way
the core collector process could set its core size ulimit to 1, and enable
the kernel's recursion detection.  This isn't a bad idea on the surface,
but I don't like it since its opt-in, in that if a program like abrt or
apport has a bug and fails to set such a core limit, we're left with a
recursively crashing system again.

So I've come up with this.  What I've done is modify the
call_usermodehelper api such that an extra parameter is added, a function
pointer which will be called by the user helper task, after it forks, but
before it exec's the required process.  This will give the caller the
opportunity to get a call back in the processes context, allowing it to do
whatever it needs to to the process in the kernel prior to exec-ing the
user space code.  In the case of do_coredump, this callback is ues to set
the core ulimit of the helper process to 1.  This elimnates the opt-in
problem that I had above, as it allows the ulimit for core sizes to be set
to the value of 1, which is what the recursion check looks for in
do_coredump.

This patch:

Create new function call_usermodehelper_fns() and allow it to assign both
an init and cleanup function, as we'll as arbitrary data.

The init function is called from the context of the forked process and
allows for customization of the helper process prior to calling exec.  Its
return code gates the continuation of the process, or causes its exit.
Also add an arbitrary data pointer to the subprocess_info struct allowing
for data to be passed from the caller to the new process, and the
subsequent cleanup process

Also, use this patch to cleanup the cleanup function.  It currently takes
an argp and envp pointer for freeing, which is ugly.  Lets instead just
make the subprocess_info structure public, and pass that to the cleanup
and init routines

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/kmod.h | 51 +++++++++++++++++++++++++++++++++++---------
 kernel/kmod.c        | 51 +++++++++++++++++++++++++-------------------
 kernel/sys.c         |  6 +++---
 3 files changed, 73 insertions(+), 35 deletions(-)

diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index facb27fe7de..f9edf63e90e 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -23,6 +23,7 @@
 #include <linux/stddef.h>
 #include <linux/errno.h>
 #include <linux/compiler.h>
+#include <linux/workqueue.h>
 
 #define KMOD_PATH_LEN 256
 
@@ -45,7 +46,27 @@ static inline int request_module_nowait(const char *name, ...) { return -ENOSYS;
 
 struct key;
 struct file;
-struct subprocess_info;
+
+enum umh_wait {
+	UMH_NO_WAIT = -1,	/* don't wait at all */
+	UMH_WAIT_EXEC = 0,	/* wait for the exec, but not the process */
+	UMH_WAIT_PROC = 1,	/* wait for the process to complete */
+};
+
+struct subprocess_info {
+	struct work_struct work;
+	struct completion *complete;
+	struct cred *cred;
+	char *path;
+	char **argv;
+	char **envp;
+	enum umh_wait wait;
+	int retval;
+	struct file *stdin;
+	int (*init)(struct subprocess_info *info);
+	void (*cleanup)(struct subprocess_info *info);
+	void *data;
+};
 
 /* Allocate a subprocess_info structure */
 struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
@@ -56,14 +77,10 @@ void call_usermodehelper_setkeys(struct subprocess_info *info,
 				 struct key *session_keyring);
 int call_usermodehelper_stdinpipe(struct subprocess_info *sub_info,
 				  struct file **filp);
-void call_usermodehelper_setcleanup(struct subprocess_info *info,
-				    void (*cleanup)(char **argv, char **envp));
-
-enum umh_wait {
-	UMH_NO_WAIT = -1,	/* don't wait at all */
-	UMH_WAIT_EXEC = 0,	/* wait for the exec, but not the process */
-	UMH_WAIT_PROC = 1,	/* wait for the process to complete */
-};
+void call_usermodehelper_setfns(struct subprocess_info *info,
+		    int (*init)(struct subprocess_info *info),
+		    void (*cleanup)(struct subprocess_info *info),
+		    void *data);
 
 /* Actually execute the sub-process */
 int call_usermodehelper_exec(struct subprocess_info *info, enum umh_wait wait);
@@ -73,17 +90,31 @@ int call_usermodehelper_exec(struct subprocess_info *info, enum umh_wait wait);
 void call_usermodehelper_freeinfo(struct subprocess_info *info);
 
 static inline int
-call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
+call_usermodehelper_fns(char *path, char **argv, char **envp,
+			enum umh_wait wait,
+			int (*init)(struct subprocess_info *info),
+			void (*cleanup)(struct subprocess_info *), void *data)
 {
 	struct subprocess_info *info;
 	gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
 
 	info = call_usermodehelper_setup(path, argv, envp, gfp_mask);
+
 	if (info == NULL)
 		return -ENOMEM;
+
+	call_usermodehelper_setfns(info, init, cleanup, data);
+
 	return call_usermodehelper_exec(info, wait);
 }
 
+static inline int
+call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
+{
+	return call_usermodehelper_fns(path, argv, envp, wait,
+				       NULL, NULL, NULL);
+}
+
 static inline int
 call_usermodehelper_keys(char *path, char **argv, char **envp,
 			 struct key *session_keyring, enum umh_wait wait)
diff --git a/kernel/kmod.c b/kernel/kmod.c
index bf0e231d970..531ef62cf53 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -116,27 +116,16 @@ int __request_module(bool wait, const char *fmt, ...)
 
 	trace_module_request(module_name, wait, _RET_IP_);
 
-	ret = call_usermodehelper(modprobe_path, argv, envp,
-			wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
+	ret = call_usermodehelper_fns(modprobe_path, argv, envp,
+			wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC,
+			NULL, NULL, NULL);
+
 	atomic_dec(&kmod_concurrent);
 	return ret;
 }
 EXPORT_SYMBOL(__request_module);
 #endif /* CONFIG_MODULES */
 
-struct subprocess_info {
-	struct work_struct work;
-	struct completion *complete;
-	struct cred *cred;
-	char *path;
-	char **argv;
-	char **envp;
-	enum umh_wait wait;
-	int retval;
-	struct file *stdin;
-	void (*cleanup)(char **argv, char **envp);
-};
-
 /*
  * This is the task which runs the usermode application
  */
@@ -184,9 +173,16 @@ static int ____call_usermodehelper(void *data)
 	 */
 	set_user_nice(current, 0);
 
+	if (sub_info->init) {
+		retval = sub_info->init(sub_info);
+		if (retval)
+			goto fail;
+	}
+
 	retval = kernel_execve(sub_info->path, sub_info->argv, sub_info->envp);
 
 	/* Exec failed? */
+fail:
 	sub_info->retval = retval;
 	do_exit(0);
 }
@@ -194,7 +190,7 @@ static int ____call_usermodehelper(void *data)
 void call_usermodehelper_freeinfo(struct subprocess_info *info)
 {
 	if (info->cleanup)
-		(*info->cleanup)(info->argv, info->envp);
+		(*info->cleanup)(info);
 	if (info->cred)
 		put_cred(info->cred);
 	kfree(info);
@@ -406,21 +402,31 @@ void call_usermodehelper_setkeys(struct subprocess_info *info,
 EXPORT_SYMBOL(call_usermodehelper_setkeys);
 
 /**
- * call_usermodehelper_setcleanup - set a cleanup function
+ * call_usermodehelper_setfns - set a cleanup/init function
  * @info: a subprocess_info returned by call_usermodehelper_setup
  * @cleanup: a cleanup function
+ * @init: an init function
+ * @data: arbitrary context sensitive data
  *
- * The cleanup function is just befor ethe subprocess_info is about to
+ * The init function is used to customize the helper process prior to
+ * exec.  A non-zero return code causes the process to error out, exit,
+ * and return the failure to the calling process
+ *
+ * The cleanup function is just before ethe subprocess_info is about to
  * be freed.  This can be used for freeing the argv and envp.  The
  * Function must be runnable in either a process context or the
  * context in which call_usermodehelper_exec is called.
  */
-void call_usermodehelper_setcleanup(struct subprocess_info *info,
-				    void (*cleanup)(char **argv, char **envp))
+void call_usermodehelper_setfns(struct subprocess_info *info,
+		    int (*init)(struct subprocess_info *info),
+		    void (*cleanup)(struct subprocess_info *info),
+		    void *data)
 {
 	info->cleanup = cleanup;
+	info->init = init;
+	info->data = data;
 }
-EXPORT_SYMBOL(call_usermodehelper_setcleanup);
+EXPORT_SYMBOL(call_usermodehelper_setfns);
 
 /**
  * call_usermodehelper_stdinpipe - set up a pipe to be used for stdin
@@ -515,7 +521,8 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp,
 	struct subprocess_info *sub_info;
 	int ret;
 
-	sub_info = call_usermodehelper_setup(path, argv, envp, GFP_KERNEL);
+	sub_info = call_usermodehelper_setup(path, argv, envp,
+					     GFP_KERNEL);
 	if (sub_info == NULL)
 		return -ENOMEM;
 
diff --git a/kernel/sys.c b/kernel/sys.c
index 0d36d889c74..e83ddbbaf89 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1632,9 +1632,9 @@ SYSCALL_DEFINE3(getcpu, unsigned __user *, cpup, unsigned __user *, nodep,
 
 char poweroff_cmd[POWEROFF_CMD_PATH_LEN] = "/sbin/poweroff";
 
-static void argv_cleanup(char **argv, char **envp)
+static void argv_cleanup(struct subprocess_info *info)
 {
-	argv_free(argv);
+	argv_free(info->argv);
 }
 
 /**
@@ -1668,7 +1668,7 @@ int orderly_poweroff(bool force)
 		goto out;
 	}
 
-	call_usermodehelper_setcleanup(info, argv_cleanup);
+	call_usermodehelper_setfns(info, NULL, argv_cleanup, NULL);
 
 	ret = call_usermodehelper_exec(info, UMH_NO_WAIT);
 

From 898b374af6f71041bd3bceebe257e564f3f1d458 Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@tuxdriver.com>
Date: Wed, 26 May 2010 14:42:59 -0700
Subject: [PATCH 3338/3638] exec: replace call_usermodehelper_pipe with use of
 umh init function and resolve limit

The first patch in this series introduced an init function to the
call_usermodehelper api so that processes could be customized by caller.
This patch takes advantage of that fact, by customizing the helper in
do_coredump to create the pipe and set its core limit to one (for our
recusrsion check).  This lets us clean up the previous uglyness in the
usermodehelper internals and factor call_usermodehelper out entirely.
While I'm at it, we can also modify the helper setup to look for a core
limit value of 1 rather than zero for our recursion check

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c            | 63 ++++++++++++++++++++++++++++++----
 include/linux/kmod.h |  7 ----
 kernel/kmod.c        | 82 --------------------------------------------
 3 files changed, 56 insertions(+), 96 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 9badbc0bfb1..63f459cf20d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1787,6 +1787,50 @@ static void wait_for_dump_helpers(struct file *file)
 }
 
 
+/*
+ * uhm_pipe_setup
+ * helper function to customize the process used
+ * to collect the core in userspace.  Specifically
+ * it sets up a pipe and installs it as fd 0 (stdin)
+ * for the process.  Returns 0 on success, or
+ * PTR_ERR on failure.
+ * Note that it also sets the core limit to 1.  This
+ * is a special value that we use to trap recursive
+ * core dumps
+ */
+static int umh_pipe_setup(struct subprocess_info *info)
+{
+	struct file *rp, *wp;
+	struct fdtable *fdt;
+	struct coredump_params *cp = (struct coredump_params *)info->data;
+	struct files_struct *cf = current->files;
+
+	wp = create_write_pipe(0);
+	if (IS_ERR(wp))
+		return PTR_ERR(wp);
+
+	rp = create_read_pipe(wp, 0);
+	if (IS_ERR(rp)) {
+		free_write_pipe(wp);
+		return PTR_ERR(rp);
+	}
+
+	cp->file = wp;
+
+	sys_close(0);
+	fd_install(0, rp);
+	spin_lock(&cf->file_lock);
+	fdt = files_fdtable(cf);
+	FD_SET(0, fdt->open_fds);
+	FD_CLR(0, fdt->close_on_exec);
+	spin_unlock(&cf->file_lock);
+
+	/* and disallow core files too */
+	current->signal->rlim[RLIMIT_CORE] = (struct rlimit){1, 1};
+
+	return 0;
+}
+
 void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 {
 	struct core_state core_state;
@@ -1874,15 +1918,15 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 		goto fail_unlock;
 
  	if (ispipe) {
-		if (cprm.limit == 0) {
+		if (cprm.limit == 1) {
 			/*
 			 * Normally core limits are irrelevant to pipes, since
 			 * we're not writing to the file system, but we use
-			 * cprm.limit of 0 here as a speacial value. Any
-			 * non-zero limit gets set to RLIM_INFINITY below, but
+			 * cprm.limit of 1 here as a speacial value. Any
+			 * non-1 limit gets set to RLIM_INFINITY below, but
 			 * a limit of 0 skips the dump.  This is a consistent
 			 * way to catch recursive crashes.  We can still crash
-			 * if the core_pattern binary sets RLIM_CORE =  !0
+			 * if the core_pattern binary sets RLIM_CORE =  !1
 			 * but it runs as root, and can do lots of stupid things
 			 * Note that we use task_tgid_vnr here to grab the pid
 			 * of the process group leader.  That way we get the
@@ -1890,7 +1934,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 			 * core_pattern process dies.
 			 */
 			printk(KERN_WARNING
-				"Process %d(%s) has RLIMIT_CORE set to 0\n",
+				"Process %d(%s) has RLIMIT_CORE set to 1\n",
 				task_tgid_vnr(current), current->comm);
 			printk(KERN_WARNING "Aborting core\n");
 			goto fail_unlock;
@@ -1914,8 +1958,13 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 		cprm.limit = RLIM_INFINITY;
 
 		/* SIGPIPE can happen, but it's just never processed */
-		if (call_usermodehelper_pipe(helper_argv[0], helper_argv, NULL,
-				&cprm.file)) {
+		cprm.file = NULL;
+		if (call_usermodehelper_fns(helper_argv[0], helper_argv, NULL,
+					    UMH_WAIT_EXEC, umh_pipe_setup,
+					    NULL, &cprm)) {
+			if (cprm.file)
+				filp_close(cprm.file, NULL);
+
  			printk(KERN_INFO "Core dump to %s pipe failed\n",
 			       corename);
 			goto fail_dropcount;
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index f9edf63e90e..5c058778ad3 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -62,7 +62,6 @@ struct subprocess_info {
 	char **envp;
 	enum umh_wait wait;
 	int retval;
-	struct file *stdin;
 	int (*init)(struct subprocess_info *info);
 	void (*cleanup)(struct subprocess_info *info);
 	void *data;
@@ -75,8 +74,6 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
 /* Set various pieces of state into the subprocess_info structure */
 void call_usermodehelper_setkeys(struct subprocess_info *info,
 				 struct key *session_keyring);
-int call_usermodehelper_stdinpipe(struct subprocess_info *sub_info,
-				  struct file **filp);
 void call_usermodehelper_setfns(struct subprocess_info *info,
 		    int (*init)(struct subprocess_info *info),
 		    void (*cleanup)(struct subprocess_info *info),
@@ -132,10 +129,6 @@ call_usermodehelper_keys(char *path, char **argv, char **envp,
 
 extern void usermodehelper_init(void);
 
-struct file;
-extern int call_usermodehelper_pipe(char *path, char *argv[], char *envp[],
-				    struct file **filp);
-
 extern int usermodehelper_disable(void);
 extern void usermodehelper_enable(void);
 
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 531ef62cf53..d1544547fea 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -147,23 +147,6 @@ static int ____call_usermodehelper(void *data)
 	commit_creds(sub_info->cred);
 	sub_info->cred = NULL;
 
-	/* Install input pipe when needed */
-	if (sub_info->stdin) {
-		struct files_struct *f = current->files;
-		struct fdtable *fdt;
-		/* no races because files should be private here */
-		sys_close(0);
-		fd_install(0, sub_info->stdin);
-		spin_lock(&f->file_lock);
-		fdt = files_fdtable(f);
-		FD_SET(0, fdt->open_fds);
-		FD_CLR(0, fdt->close_on_exec);
-		spin_unlock(&f->file_lock);
-
-		/* and disallow core files too */
-		current->signal->rlim[RLIMIT_CORE] = (struct rlimit){0, 0};
-	}
-
 	/* We can run anywhere, unlike our parent keventd(). */
 	set_cpus_allowed_ptr(current, cpu_all_mask);
 
@@ -428,35 +411,6 @@ void call_usermodehelper_setfns(struct subprocess_info *info,
 }
 EXPORT_SYMBOL(call_usermodehelper_setfns);
 
-/**
- * call_usermodehelper_stdinpipe - set up a pipe to be used for stdin
- * @sub_info: a subprocess_info returned by call_usermodehelper_setup
- * @filp: set to the write-end of a pipe
- *
- * This constructs a pipe, and sets the read end to be the stdin of the
- * subprocess, and returns the write-end in *@filp.
- */
-int call_usermodehelper_stdinpipe(struct subprocess_info *sub_info,
-				  struct file **filp)
-{
-	struct file *f;
-
-	f = create_write_pipe(0);
-	if (IS_ERR(f))
-		return PTR_ERR(f);
-	*filp = f;
-
-	f = create_read_pipe(f, 0);
-	if (IS_ERR(f)) {
-		free_write_pipe(*filp);
-		return PTR_ERR(f);
-	}
-	sub_info->stdin = f;
-
-	return 0;
-}
-EXPORT_SYMBOL(call_usermodehelper_stdinpipe);
-
 /**
  * call_usermodehelper_exec - start a usermode application
  * @sub_info: information about the subprocessa
@@ -504,42 +458,6 @@ unlock:
 }
 EXPORT_SYMBOL(call_usermodehelper_exec);
 
-/**
- * call_usermodehelper_pipe - call a usermode helper process with a pipe stdin
- * @path: path to usermode executable
- * @argv: arg vector for process
- * @envp: environment for process
- * @filp: set to the write-end of a pipe
- *
- * This is a simple wrapper which executes a usermode-helper function
- * with a pipe as stdin.  It is implemented entirely in terms of
- * lower-level call_usermodehelper_* functions.
- */
-int call_usermodehelper_pipe(char *path, char **argv, char **envp,
-			     struct file **filp)
-{
-	struct subprocess_info *sub_info;
-	int ret;
-
-	sub_info = call_usermodehelper_setup(path, argv, envp,
-					     GFP_KERNEL);
-	if (sub_info == NULL)
-		return -ENOMEM;
-
-	ret = call_usermodehelper_stdinpipe(sub_info, filp);
-	if (ret < 0) {
-		call_usermodehelper_freeinfo(sub_info);
-		return ret;
-	}
-
-	ret = call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC);
-	if (ret < 0)	/* Failed to execute helper, close pipe */
-		filp_close(*filp, NULL);
-
-	return ret;
-}
-EXPORT_SYMBOL(call_usermodehelper_pipe);
-
 void __init usermodehelper_init(void)
 {
 	khelper_wq = create_singlethread_workqueue("khelper");

From 685bfd2c48bb3284d31e73ff3151c957d76deda9 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:00 -0700
Subject: [PATCH 3339/3638] umh: creds: convert call_usermodehelper_keys() to
 use subprocess_info->init()

call_usermodehelper_keys() uses call_usermodehelper_setkeys() to change
subprocess_info->cred in advance.  Now that we have info->init() we can
change this code to set tgcred->session_keyring in context of execing
kernel thread.

Note: since currently call_usermodehelper_keys() is never called with
UMH_NO_WAIT, call_usermodehelper_keys()->key_get() and umh_keys_cleanup()
are not really needed, we could rely on install_session_keyring_to_cred()
which does key_get() on success.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/kmod.h         | 17 -----------------
 kernel/kmod.c                | 18 ------------------
 security/keys/internal.h     |  1 +
 security/keys/process_keys.c |  3 +--
 security/keys/request_key.c  | 32 ++++++++++++++++++++++++++++++++
 5 files changed, 34 insertions(+), 37 deletions(-)

diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 5c058778ad3..d876dce217f 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -72,8 +72,6 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
 						  char **envp, gfp_t gfp_mask);
 
 /* Set various pieces of state into the subprocess_info structure */
-void call_usermodehelper_setkeys(struct subprocess_info *info,
-				 struct key *session_keyring);
 void call_usermodehelper_setfns(struct subprocess_info *info,
 		    int (*init)(struct subprocess_info *info),
 		    void (*cleanup)(struct subprocess_info *info),
@@ -112,21 +110,6 @@ call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
 				       NULL, NULL, NULL);
 }
 
-static inline int
-call_usermodehelper_keys(char *path, char **argv, char **envp,
-			 struct key *session_keyring, enum umh_wait wait)
-{
-	struct subprocess_info *info;
-	gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
-
-	info = call_usermodehelper_setup(path, argv, envp, gfp_mask);
-	if (info == NULL)
-		return -ENOMEM;
-
-	call_usermodehelper_setkeys(info, session_keyring);
-	return call_usermodehelper_exec(info, wait);
-}
-
 extern void usermodehelper_init(void);
 
 extern int usermodehelper_disable(void);
diff --git a/kernel/kmod.c b/kernel/kmod.c
index d1544547fea..743d3883517 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -366,24 +366,6 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
 }
 EXPORT_SYMBOL(call_usermodehelper_setup);
 
-/**
- * call_usermodehelper_setkeys - set the session keys for usermode helper
- * @info: a subprocess_info returned by call_usermodehelper_setup
- * @session_keyring: the session keyring for the process
- */
-void call_usermodehelper_setkeys(struct subprocess_info *info,
-				 struct key *session_keyring)
-{
-#ifdef CONFIG_KEYS
-	struct thread_group_cred *tgcred = info->cred->tgcred;
-	key_put(tgcred->session_keyring);
-	tgcred->session_keyring = key_get(session_keyring);
-#else
-	BUG();
-#endif
-}
-EXPORT_SYMBOL(call_usermodehelper_setkeys);
-
 /**
  * call_usermodehelper_setfns - set a cleanup/init function
  * @info: a subprocess_info returned by call_usermodehelper_setup
diff --git a/security/keys/internal.h b/security/keys/internal.h
index 5d4402a1161..38783dcf6c6 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -124,6 +124,7 @@ extern struct key *find_keyring_by_name(const char *name, bool skip_perm_check);
 extern int install_user_keyrings(void);
 extern int install_thread_keyring_to_cred(struct cred *);
 extern int install_process_keyring_to_cred(struct cred *);
+extern int install_session_keyring_to_cred(struct cred *, struct key *);
 
 extern struct key *request_key_and_link(struct key_type *type,
 					const char *description,
diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index 20a38fed61b..6b8e4ff4cc6 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -216,8 +216,7 @@ static int install_process_keyring(void)
 /*
  * install a session keyring directly to a credentials struct
  */
-static int install_session_keyring_to_cred(struct cred *cred,
-					   struct key *keyring)
+int install_session_keyring_to_cred(struct cred *cred, struct key *keyring)
 {
 	unsigned long flags;
 	struct key *old;
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index f656e9c069e..f5ec9ac5d57 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -58,6 +58,38 @@ void complete_request_key(struct key_construction *cons, int error)
 }
 EXPORT_SYMBOL(complete_request_key);
 
+static int umh_keys_init(struct subprocess_info *info)
+{
+	struct cred *cred = (struct cred*)current_cred();
+	struct key *keyring = info->data;
+	/*
+	 * This is called in context of freshly forked kthread before
+	 * kernel_execve(), we can just change our ->session_keyring.
+	 */
+	return install_session_keyring_to_cred(cred, keyring);
+}
+
+static void umh_keys_cleanup(struct subprocess_info *info)
+{
+	struct key *keyring = info->data;
+	key_put(keyring);
+}
+
+static int call_usermodehelper_keys(char *path, char **argv, char **envp,
+			 struct key *session_keyring, enum umh_wait wait)
+{
+	gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
+	struct subprocess_info *info =
+		call_usermodehelper_setup(path, argv, envp, gfp_mask);
+
+	if (!info)
+		return -ENOMEM;
+
+	call_usermodehelper_setfns(info, umh_keys_init, umh_keys_cleanup,
+					key_get(session_keyring));
+	return call_usermodehelper_exec(info, wait);
+}
+
 /*
  * request userspace finish the construction of a key
  * - execute "/sbin/request-key <op> <key> <uid> <gid> <keyring> <keyring> <keyring>"

From c70a626d3eba373514c72287c93588b6974a0059 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:01 -0700
Subject: [PATCH 3340/3638] umh: creds: kill subprocess_info->cred logic

Now that nobody ever changes subprocess_info->cred we can kill this member
and related code.  ____call_usermodehelper() always runs in the context of
freshly forked kernel thread, it has the proper ->cred copied from its
parent kthread, keventd.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/cred.h |  1 -
 include/linux/kmod.h |  1 -
 kernel/cred.c        | 60 --------------------------------------------
 kernel/kmod.c        | 19 --------------
 4 files changed, 81 deletions(-)

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 52507c3e138..75c0fa88130 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -156,7 +156,6 @@ extern int copy_creds(struct task_struct *, unsigned long);
 extern struct cred *cred_alloc_blank(void);
 extern struct cred *prepare_creds(void);
 extern struct cred *prepare_exec_creds(void);
-extern struct cred *prepare_usermodehelper_creds(void);
 extern int commit_creds(struct cred *);
 extern void abort_creds(struct cred *);
 extern const struct cred *override_creds(const struct cred *);
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index d876dce217f..6efd7a78de6 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -56,7 +56,6 @@ enum umh_wait {
 struct subprocess_info {
 	struct work_struct work;
 	struct completion *complete;
-	struct cred *cred;
 	char *path;
 	char **argv;
 	char **envp;
diff --git a/kernel/cred.c b/kernel/cred.c
index 2c24870c55d..a2d5504fbcc 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -346,66 +346,6 @@ struct cred *prepare_exec_creds(void)
 	return new;
 }
 
-/*
- * prepare new credentials for the usermode helper dispatcher
- */
-struct cred *prepare_usermodehelper_creds(void)
-{
-#ifdef CONFIG_KEYS
-	struct thread_group_cred *tgcred = NULL;
-#endif
-	struct cred *new;
-
-#ifdef CONFIG_KEYS
-	tgcred = kzalloc(sizeof(*new->tgcred), GFP_ATOMIC);
-	if (!tgcred)
-		return NULL;
-#endif
-
-	new = kmem_cache_alloc(cred_jar, GFP_ATOMIC);
-	if (!new)
-		goto free_tgcred;
-
-	kdebug("prepare_usermodehelper_creds() alloc %p", new);
-
-	memcpy(new, &init_cred, sizeof(struct cred));
-
-	atomic_set(&new->usage, 1);
-	set_cred_subscribers(new, 0);
-	get_group_info(new->group_info);
-	get_uid(new->user);
-
-#ifdef CONFIG_KEYS
-	new->thread_keyring = NULL;
-	new->request_key_auth = NULL;
-	new->jit_keyring = KEY_REQKEY_DEFL_DEFAULT;
-
-	atomic_set(&tgcred->usage, 1);
-	spin_lock_init(&tgcred->lock);
-	new->tgcred = tgcred;
-#endif
-
-#ifdef CONFIG_SECURITY
-	new->security = NULL;
-#endif
-	if (security_prepare_creds(new, &init_cred, GFP_ATOMIC) < 0)
-		goto error;
-	validate_creds(new);
-
-	BUG_ON(atomic_read(&new->usage) != 1);
-	return new;
-
-error:
-	put_cred(new);
-	return NULL;
-
-free_tgcred:
-#ifdef CONFIG_KEYS
-	kfree(tgcred);
-#endif
-	return NULL;
-}
-
 /*
  * Copy credentials for the new process created by fork()
  *
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 743d3883517..6194ec2f737 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -134,8 +134,6 @@ static int ____call_usermodehelper(void *data)
 	struct subprocess_info *sub_info = data;
 	int retval;
 
-	BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
-
 	/* Unblock all signals */
 	spin_lock_irq(&current->sighand->siglock);
 	flush_signal_handlers(current, 1);
@@ -143,10 +141,6 @@ static int ____call_usermodehelper(void *data)
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 
-	/* Install the credentials */
-	commit_creds(sub_info->cred);
-	sub_info->cred = NULL;
-
 	/* We can run anywhere, unlike our parent keventd(). */
 	set_cpus_allowed_ptr(current, cpu_all_mask);
 
@@ -174,8 +168,6 @@ void call_usermodehelper_freeinfo(struct subprocess_info *info)
 {
 	if (info->cleanup)
 		(*info->cleanup)(info);
-	if (info->cred)
-		put_cred(info->cred);
 	kfree(info);
 }
 EXPORT_SYMBOL(call_usermodehelper_freeinfo);
@@ -231,8 +223,6 @@ static void __call_usermodehelper(struct work_struct *work)
 	pid_t pid;
 	enum umh_wait wait = sub_info->wait;
 
-	BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
-
 	/* CLONE_VFORK: wait until the usermode helper has execve'd
 	 * successfully We need the data structures to stay around
 	 * until that is done.  */
@@ -355,12 +345,6 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
 	sub_info->path = path;
 	sub_info->argv = argv;
 	sub_info->envp = envp;
-	sub_info->cred = prepare_usermodehelper_creds();
-	if (!sub_info->cred) {
-		kfree(sub_info);
-		return NULL;
-	}
-
   out:
 	return sub_info;
 }
@@ -411,9 +395,6 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info,
 	DECLARE_COMPLETION_ONSTACK(done);
 	int retval = 0;
 
-	BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
-	validate_creds(sub_info->cred);
-
 	helper_lock();
 	if (sub_info->path[0] == '\0')
 		goto out;

From 363da4022c2753bf4b4b54a1bb9e4527fdcb9d5d Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:02 -0700
Subject: [PATCH 3341/3638] call_usermodehelper: no need to unblock signals

____call_usermodehelper() correctly calls flush_signal_handlers() to set
SIG_DFL, but sigemptyset(->blocked) and recalc_sigpending() are not
needed.

This kthread was forked by workqueue thread, all signals must be unblocked
and ignored, no pending signal is possible.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/kmod.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/kmod.c b/kernel/kmod.c
index 6194ec2f737..7efba6f8e3e 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -134,11 +134,8 @@ static int ____call_usermodehelper(void *data)
 	struct subprocess_info *sub_info = data;
 	int retval;
 
-	/* Unblock all signals */
 	spin_lock_irq(&current->sighand->siglock);
 	flush_signal_handlers(current, 1);
-	sigemptyset(&current->blocked);
-	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 
 	/* We can run anywhere, unlike our parent keventd(). */

From 7d64224217b53b23243fd2aa428001486f2a5da5 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:03 -0700
Subject: [PATCH 3342/3638] wait_for_helper: SIGCHLD from user-space can lead
 to use-after-free

1. wait_for_helper() calls allow_signal(SIGCHLD) to ensure the child
   can't autoreap itself.

   However, this means that a spurious SIGCHILD from user-space can
   set TIF_SIGPENDING and:

   	- kernel_thread() or sys_wait4() can fail due to signal_pending()

   	- worse, wait4() can fail before ____call_usermodehelper() execs
   	  or exits. In this case the caller may kfree(subprocess_info)
   	  while the child still uses this memory.

   Change the code to use SIG_DFL instead of magic "(void __user *)2"
   set by allow_signal(). This means that SIGCHLD won't be delivered,
   yet the child won't autoreap itsefl.

   The problem is minor, only root can send a signal to this kthread.

2. If sys_wait4(&ret) fails it doesn't populate "ret", in this case
   wait_for_helper() reports a random value from uninitialized var.

   With this patch sys_wait4() should never fail, but still it makes
   sense to initialize ret = -ECHILD so that the caller can notice
   the problem.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/kmod.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/kmod.c b/kernel/kmod.c
index 7efba6f8e3e..48daed4c51b 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -175,16 +175,16 @@ static int wait_for_helper(void *data)
 	struct subprocess_info *sub_info = data;
 	pid_t pid;
 
-	/* Install a handler: if SIGCLD isn't handled sys_wait4 won't
-	 * populate the status, but will return -ECHILD. */
-	allow_signal(SIGCHLD);
+	/* If SIGCLD is ignored sys_wait4 won't populate the status. */
+	spin_lock_irq(&current->sighand->siglock);
+	current->sighand->action[SIGCHLD-1].sa.sa_handler = SIG_DFL;
+	spin_unlock_irq(&current->sighand->siglock);
 
 	pid = kernel_thread(____call_usermodehelper, sub_info, SIGCHLD);
 	if (pid < 0) {
 		sub_info->retval = pid;
 	} else {
-		int ret;
-
+		int ret = -ECHILD;
 		/*
 		 * Normally it is bogus to call wait4() from in-kernel because
 		 * wait4() wants to write the exit code to a userspace address.

From d47419cd967a4f032a194148a7b08afad32faded Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:04 -0700
Subject: [PATCH 3343/3638] call_usermodehelper: simplify/fix UMH_NO_WAIT case

__call_usermodehelper(UMH_NO_WAIT) has 2 problems:

	- if kernel_thread() fails, call_usermodehelper_freeinfo()
	  is not called.

	- for unknown reason UMH_NO_WAIT has UMH_WAIT_PROC logic,
	  we spawn yet another thread which waits until the user
	  mode application exits.

Change the UMH_NO_WAIT code to use ____call_usermodehelper() instead of
wait_for_helper(), and do call_usermodehelper_freeinfo() unconditionally.
We can rely on CLONE_VFORK, do_fork(CLONE_VFORK) until the child exits or
execs.

With or without this patch UMH_NO_WAIT does not report the error if
kernel_thread() fails, this is correct since the caller doesn't wait for
result.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/kmod.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/kernel/kmod.c b/kernel/kmod.c
index 48daed4c51b..ad9f2edebd6 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -205,10 +205,7 @@ static int wait_for_helper(void *data)
 			sub_info->retval = ret;
 	}
 
-	if (sub_info->wait == UMH_NO_WAIT)
-		call_usermodehelper_freeinfo(sub_info);
-	else
-		complete(sub_info->complete);
+	complete(sub_info->complete);
 	return 0;
 }
 
@@ -217,13 +214,13 @@ static void __call_usermodehelper(struct work_struct *work)
 {
 	struct subprocess_info *sub_info =
 		container_of(work, struct subprocess_info, work);
-	pid_t pid;
 	enum umh_wait wait = sub_info->wait;
+	pid_t pid;
 
 	/* CLONE_VFORK: wait until the usermode helper has execve'd
 	 * successfully We need the data structures to stay around
 	 * until that is done.  */
-	if (wait == UMH_WAIT_PROC || wait == UMH_NO_WAIT)
+	if (wait == UMH_WAIT_PROC)
 		pid = kernel_thread(wait_for_helper, sub_info,
 				    CLONE_FS | CLONE_FILES | SIGCHLD);
 	else
@@ -232,6 +229,7 @@ static void __call_usermodehelper(struct work_struct *work)
 
 	switch (wait) {
 	case UMH_NO_WAIT:
+		call_usermodehelper_freeinfo(sub_info);
 		break;
 
 	case UMH_WAIT_PROC:

From 04b1c384fbc4e0209e5c1affb67050886376d44b Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:05 -0700
Subject: [PATCH 3344/3638] call_usermodehelper: UMH_WAIT_EXEC ignores
 kernel_thread() failure

UMH_WAIT_EXEC should report the error if kernel_thread() fails, like
UMH_WAIT_PROC does.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/kmod.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/kmod.c b/kernel/kmod.c
index ad9f2edebd6..6e9b19667a8 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -235,10 +235,10 @@ static void __call_usermodehelper(struct work_struct *work)
 	case UMH_WAIT_PROC:
 		if (pid > 0)
 			break;
-		sub_info->retval = pid;
 		/* FALLTHROUGH */
-
 	case UMH_WAIT_EXEC:
+		if (pid < 0)
+			sub_info->retval = pid;
 		complete(sub_info->complete);
 	}
 }

From c713541125002b8bc9e681af3b09118e771e2d8a Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:05 -0700
Subject: [PATCH 3345/3638] coredump: factor out the not-ispipe file checks

do_coredump() does a lot of file checks after it opens the file or calls
usermode helper.  But all of these checks are only needed in !ispipe case.

Move this code into the "else" branch and kill the ugly repetitive ispipe
checks.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c | 61 +++++++++++++++++++++++++++----------------------------
 1 file changed, 30 insertions(+), 31 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 63f459cf20d..1d55d753664 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1837,7 +1837,6 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	char corename[CORENAME_MAX_SIZE + 1];
 	struct mm_struct *mm = current->mm;
 	struct linux_binfmt * binfmt;
-	struct inode * inode;
 	const struct cred *old_cred;
 	struct cred *cred;
 	int retval = 0;
@@ -1914,9 +1913,6 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	ispipe = format_corename(corename, signr);
 	unlock_kernel();
 
-	if ((!ispipe) && (cprm.limit < binfmt->min_coredump))
-		goto fail_unlock;
-
  	if (ispipe) {
 		if (cprm.limit == 1) {
 			/*
@@ -1969,39 +1965,42 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 			       corename);
 			goto fail_dropcount;
  		}
- 	} else
+	} else {
+		struct inode *inode;
+
+		if (cprm.limit < binfmt->min_coredump)
+			goto fail_unlock;
+
 		cprm.file = filp_open(corename,
 				 O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE | flag,
 				 0600);
-	if (IS_ERR(cprm.file))
-		goto fail_dropcount;
-	inode = cprm.file->f_path.dentry->d_inode;
-	if (inode->i_nlink > 1)
-		goto close_fail;	/* multiple links - don't dump */
-	if (!ispipe && d_unhashed(cprm.file->f_path.dentry))
-		goto close_fail;
+		if (IS_ERR(cprm.file))
+			goto fail_unlock;
 
-	/* AK: actually i see no reason to not allow this for named pipes etc.,
-	   but keep the previous behaviour for now. */
-	if (!ispipe && !S_ISREG(inode->i_mode))
-		goto close_fail;
-	/*
-	 * Dont allow local users get cute and trick others to coredump
-	 * into their pre-created files:
-	 * Note, this is not relevant for pipes
-	 */
-	if (!ispipe && (inode->i_uid != current_fsuid()))
-		goto close_fail;
-	if (!cprm.file->f_op)
-		goto close_fail;
-	if (!cprm.file->f_op->write)
-		goto close_fail;
-	if (!ispipe &&
-	    do_truncate(cprm.file->f_path.dentry, 0, 0, cprm.file) != 0)
-		goto close_fail;
+		inode = cprm.file->f_path.dentry->d_inode;
+		if (inode->i_nlink > 1)
+			goto close_fail;
+		if (d_unhashed(cprm.file->f_path.dentry))
+			goto close_fail;
+		/*
+		 * AK: actually i see no reason to not allow this for named
+		 * pipes etc, but keep the previous behaviour for now.
+		 */
+		if (!S_ISREG(inode->i_mode))
+			goto close_fail;
+		/*
+		 * Dont allow local users get cute and trick others to coredump
+		 * into their pre-created files.
+		 */
+		if (inode->i_uid != current_fsuid())
+			goto close_fail;
+		if (!cprm.file->f_op || !cprm.file->f_op->write)
+			goto close_fail;
+		if (do_truncate(cprm.file->f_path.dentry, 0, 0, cprm.file))
+			goto close_fail;
+	}
 
 	retval = binfmt->core_dump(&cprm);
-
 	if (retval)
 		current->signal->group_exit_code |= 0x80;
 close_fail:

From d5bf4c4f5f9dcc90b7e25dbb2f7c4436cf6e7ed0 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:06 -0700
Subject: [PATCH 3346/3638] coredump: cleanup "ispipe" code

- kill "int dump_count", argv_split(argcp) accepts argcp == NULL.

- move "int dump_count" under " if (ispipe)" branch, fail_dropcount
  can check ispipe.

- move "char **helper_argv" as well, change the code to do argv_free()
  right after call_usermodehelper_fns().

- If call_usermodehelper_fns() fails goto close_fail label instead
  of closing the file by hand.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c | 39 +++++++++++++++++----------------------
 1 file changed, 17 insertions(+), 22 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 1d55d753664..1221c4c4354 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1841,10 +1841,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	struct cred *cred;
 	int retval = 0;
 	int flag = 0;
-	int ispipe = 0;
-	char **helper_argv = NULL;
-	int helper_argc = 0;
-	int dump_count = 0;
+	int ispipe;
 	static atomic_t core_dump_count = ATOMIC_INIT(0);
 	struct coredump_params cprm = {
 		.signr = signr,
@@ -1914,6 +1911,9 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	unlock_kernel();
 
  	if (ispipe) {
+		int dump_count;
+		char **helper_argv;
+
 		if (cprm.limit == 1) {
 			/*
 			 * Normally core limits are irrelevant to pipes, since
@@ -1935,6 +1935,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 			printk(KERN_WARNING "Aborting core\n");
 			goto fail_unlock;
 		}
+		cprm.limit = RLIM_INFINITY;
 
 		dump_count = atomic_inc_return(&core_dump_count);
 		if (core_pipe_limit && (core_pipe_limit < dump_count)) {
@@ -1944,26 +1945,21 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 			goto fail_dropcount;
 		}
 
-		helper_argv = argv_split(GFP_KERNEL, corename+1, &helper_argc);
+		helper_argv = argv_split(GFP_KERNEL, corename+1, NULL);
 		if (!helper_argv) {
 			printk(KERN_WARNING "%s failed to allocate memory\n",
 			       __func__);
 			goto fail_dropcount;
 		}
 
-		cprm.limit = RLIM_INFINITY;
-
-		/* SIGPIPE can happen, but it's just never processed */
-		cprm.file = NULL;
-		if (call_usermodehelper_fns(helper_argv[0], helper_argv, NULL,
-					    UMH_WAIT_EXEC, umh_pipe_setup,
-					    NULL, &cprm)) {
-			if (cprm.file)
-				filp_close(cprm.file, NULL);
-
+		retval = call_usermodehelper_fns(helper_argv[0], helper_argv,
+					NULL, UMH_WAIT_EXEC, umh_pipe_setup,
+					NULL, &cprm);
+		argv_free(helper_argv);
+		if (retval) {
  			printk(KERN_INFO "Core dump to %s pipe failed\n",
 			       corename);
-			goto fail_dropcount;
+			goto close_fail;
  		}
 	} else {
 		struct inode *inode;
@@ -2003,17 +1999,16 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	retval = binfmt->core_dump(&cprm);
 	if (retval)
 		current->signal->group_exit_code |= 0x80;
-close_fail:
+
 	if (ispipe && core_pipe_limit)
 		wait_for_dump_helpers(cprm.file);
-	filp_close(cprm.file, NULL);
+close_fail:
+	if (cprm.file)
+		filp_close(cprm.file, NULL);
 fail_dropcount:
-	if (dump_count)
+	if (ispipe)
 		atomic_dec(&core_dump_count);
 fail_unlock:
-	if (helper_argv)
-		argv_free(helper_argv);
-
 	revert_creds(old_cred);
 	put_cred(cred);
 	coredump_finish(mm);

From 5e43aef530ba39206f7923295388f7ec3c5a7d93 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:07 -0700
Subject: [PATCH 3347/3638] coredump: factor out put_cred() calls

Given that do_coredump() calls put_cred() on exit path, it is a bit ugly
to do put_cred() + "goto fail" twice, just add the new "fail_creds" label.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 1221c4c4354..6501823b7a1 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1862,10 +1862,8 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 		goto fail;
 
 	cred = prepare_creds();
-	if (!cred) {
-		retval = -ENOMEM;
+	if (!cred)
 		goto fail;
-	}
 
 	down_write(&mm->mmap_sem);
 	/*
@@ -1873,8 +1871,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	 */
 	if (mm->core_state || !__get_dumpable(cprm.mm_flags)) {
 		up_write(&mm->mmap_sem);
-		put_cred(cred);
-		goto fail;
+		goto fail_creds;
 	}
 
 	/*
@@ -1889,10 +1886,8 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	}
 
 	retval = coredump_wait(exit_code, &core_state);
-	if (retval < 0) {
-		put_cred(cred);
-		goto fail;
-	}
+	if (retval < 0)
+		goto fail_creds;
 
 	old_cred = override_creds(cred);
 
@@ -2009,9 +2004,10 @@ fail_dropcount:
 	if (ispipe)
 		atomic_dec(&core_dump_count);
 fail_unlock:
-	revert_creds(old_cred);
-	put_cred(cred);
 	coredump_finish(mm);
+	revert_creds(old_cred);
+fail_creds:
+	put_cred(cred);
 fail:
 	return;
 }

From 269b005a28e124a341df4adef2c3661cf7371fcc Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:08 -0700
Subject: [PATCH 3348/3638] coredump: shift down_write(mmap_sem) into
 coredump_wait()

- move the cprm.mm_flags checks up, before we take mmap_sem

- move down_write(mmap_sem) and ->core_state check from do_coredump()
  to coredump_wait()

This simplifies the code and makes the locking symmetrical.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 6501823b7a1..0c72d23ed0e 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1662,12 +1662,15 @@ static int coredump_wait(int exit_code, struct core_state *core_state)
 	struct task_struct *tsk = current;
 	struct mm_struct *mm = tsk->mm;
 	struct completion *vfork_done;
-	int core_waiters;
+	int core_waiters = -EBUSY;
 
 	init_completion(&core_state->startup);
 	core_state->dumper.task = tsk;
 	core_state->dumper.next = NULL;
-	core_waiters = zap_threads(tsk, mm, core_state, exit_code);
+
+	down_write(&mm->mmap_sem);
+	if (!mm->core_state)
+		core_waiters = zap_threads(tsk, mm, core_state, exit_code);
 	up_write(&mm->mmap_sem);
 
 	if (unlikely(core_waiters < 0))
@@ -1860,20 +1863,12 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	binfmt = mm->binfmt;
 	if (!binfmt || !binfmt->core_dump)
 		goto fail;
+	if (!__get_dumpable(cprm.mm_flags))
+		goto fail;
 
 	cred = prepare_creds();
 	if (!cred)
 		goto fail;
-
-	down_write(&mm->mmap_sem);
-	/*
-	 * If another thread got here first, or we are not dumpable, bail out.
-	 */
-	if (mm->core_state || !__get_dumpable(cprm.mm_flags)) {
-		up_write(&mm->mmap_sem);
-		goto fail_creds;
-	}
-
 	/*
 	 *	We cannot trust fsuid as being the "true" uid of the
 	 *	process nor do we know its entire history. We only know it

From 9c3391684415c9dca239130d9e433a60a4edf04b Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:10 -0700
Subject: [PATCH 3349/3638] exit: exit_notify() can trust signal->notify_count
 < 0

signal_struct->count in its current form must die.

- it has no reasons to be atomic_t

- it looks like a reference counter, but it is not

- otoh, we really need to make task->signal refcountable, just look at
  the extremely ugly task_rq_unlock_wait() called from __exit_signals().

- we should change the lifetime rules for task->signal, it should be
  pinned to task_struct.  We have a lot of code which can be simplified
  after that.

- it is not needed!  while the code is correct, any usage of this
  counter is artificial, except fs/proc uses it correctly to show the
  number of threads.

This series removes the usage of sig->count from exit pathes.

This patch:

Now that Veaceslav changed copy_signal() to use zalloc(), exit_notify()
can just check notify_count < 0 to ensure the execing sub-threads needs
the notification from us.  No need to do other checks, notify_count != 0
must always mean ->group_exit_task != NULL is waiting for us.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/exit.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index 019a2843bf9..59a104c673f 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -856,12 +856,9 @@ static void exit_notify(struct task_struct *tsk, int group_dead)
 
 	tsk->exit_state = signal == DEATH_REAP ? EXIT_DEAD : EXIT_ZOMBIE;
 
-	/* mt-exec, de_thread() is waiting for us */
-	if (thread_group_leader(tsk) &&
-	    tsk->signal->group_exit_task &&
-	    tsk->signal->notify_count < 0)
+	/* mt-exec, de_thread() is waiting for group leader */
+	if (unlikely(tsk->signal->notify_count < 0))
 		wake_up_process(tsk->signal->group_exit_task);
-
 	write_unlock_irq(&tasklist_lock);
 
 	tracehook_report_death(tsk, signal, cookie, group_dead);

From 09faef11df8c559a23e2405d123cb2683733a79a Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:11 -0700
Subject: [PATCH 3350/3638] exit: change zap_other_threads() to count
 sub-threads

Change zap_other_threads() to return the number of other sub-threads found
on ->thread_group list.

Other changes are cosmetic:

	- change the code to use while_each_thread() helper

	- remove the obsolete comment about SIGKILL/SIGSTOP

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/sched.h |  2 +-
 kernel/signal.c       | 17 +++++++++--------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4f31a166b1a..a95a2455ceb 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2036,7 +2036,7 @@ extern int do_notify_parent(struct task_struct *, int);
 extern void __wake_up_parent(struct task_struct *p, struct task_struct *parent);
 extern void force_sig(int, struct task_struct *);
 extern int send_sig(int, struct task_struct *, int);
-extern void zap_other_threads(struct task_struct *p);
+extern int zap_other_threads(struct task_struct *p);
 extern struct sigqueue *sigqueue_alloc(void);
 extern void sigqueue_free(struct sigqueue *);
 extern int send_sigqueue(struct sigqueue *,  struct task_struct *, int group);
diff --git a/kernel/signal.c b/kernel/signal.c
index 2ee9573ed11..906ae5a1779 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1085,23 +1085,24 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
 /*
  * Nuke all other threads in the group.
  */
-void zap_other_threads(struct task_struct *p)
+int zap_other_threads(struct task_struct *p)
 {
-	struct task_struct *t;
+	struct task_struct *t = p;
+	int count = 0;
 
 	p->signal->group_stop_count = 0;
 
-	for (t = next_thread(p); t != p; t = next_thread(t)) {
-		/*
-		 * Don't bother with already dead threads
-		 */
+	while_each_thread(p, t) {
+		count++;
+
+		/* Don't bother with already dead threads */
 		if (t->exit_state)
 			continue;
-
-		/* SIGKILL will be handled before any pending SIGSTOP */
 		sigaddset(&t->pending.signal, SIGKILL);
 		signal_wake_up(t, 1);
 	}
+
+	return count;
 }
 
 struct sighand_struct *lock_task_sighand(struct task_struct *tsk, unsigned long *flags)

From d344193a05da89c97e965da2c5cbf687d7385eae Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:11 -0700
Subject: [PATCH 3351/3638] exit: avoid sig->count in de_thread/__exit_signal
 synchronization

de_thread() and __exit_signal() use signal_struct->count/notify_count for
synchronization.  We can simplify the code and use ->notify_count only.
Instead of comparing these two counters, we can change de_thread() to set
->notify_count = nr_of_sub_threads, then change __exit_signal() to
dec-and-test this counter and notify group_exit_task.

Note that __exit_signal() checks "notify_count > 0" just for symmetry with
exit_notify(), we could just check it is != 0.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c     | 13 ++++++-------
 kernel/exit.c |  2 +-
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 0c72d23ed0e..e19de6a8033 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -768,7 +768,6 @@ static int de_thread(struct task_struct *tsk)
 	struct signal_struct *sig = tsk->signal;
 	struct sighand_struct *oldsighand = tsk->sighand;
 	spinlock_t *lock = &oldsighand->siglock;
-	int count;
 
 	if (thread_group_empty(tsk))
 		goto no_thread_group;
@@ -785,13 +784,13 @@ static int de_thread(struct task_struct *tsk)
 		spin_unlock_irq(lock);
 		return -EAGAIN;
 	}
-	sig->group_exit_task = tsk;
-	zap_other_threads(tsk);
 
-	/* Account for the thread group leader hanging around: */
-	count = thread_group_leader(tsk) ? 1 : 2;
-	sig->notify_count = count;
-	while (atomic_read(&sig->count) > count) {
+	sig->group_exit_task = tsk;
+	sig->notify_count = zap_other_threads(tsk);
+	if (!thread_group_leader(tsk))
+		sig->notify_count--;
+
+	while (sig->notify_count) {
 		__set_current_state(TASK_UNINTERRUPTIBLE);
 		spin_unlock_irq(lock);
 		schedule();
diff --git a/kernel/exit.c b/kernel/exit.c
index 59a104c673f..9220967f425 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -97,7 +97,7 @@ static void __exit_signal(struct task_struct *tsk)
 		 * If there is any task waiting for the group exit
 		 * then notify it:
 		 */
-		if (sig->group_exit_task && atomic_read(&sig->count) == sig->notify_count)
+		if (sig->notify_count > 0 && !--sig->notify_count)
 			wake_up_process(sig->group_exit_task);
 
 		if (tsk == sig->curr_target)

From 4a5999429739844367d0f77a65efdd7db8202779 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:12 -0700
Subject: [PATCH 3352/3638] exit: avoid sig->count in __exit_signal() to detect
 the group-dead case

Change __exit_signal() to check thread_group_leader() instead of
atomic_dec_and_test(&sig->count).  This must be equivalent, the group
leader must be released only after all other threads have exited and
passed __exit_signal().

Henceforth sig->count is not actually used, except in fs/proc for
get_nr_threads/etc.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/exit.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index 9220967f425..4c70c377d21 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -88,11 +88,12 @@ static void __exit_signal(struct task_struct *tsk)
 					rcu_read_lock_held() ||
 					lockdep_tasklist_lock_is_held());
 	spin_lock(&sighand->siglock);
+	atomic_dec(&sig->count);
 
 	posix_cpu_timers_exit(tsk);
-	if (atomic_dec_and_test(&sig->count))
+	if (thread_group_leader(tsk)) {
 		posix_cpu_timers_exit_group(tsk);
-	else {
+	} else {
 		/*
 		 * If there is any task waiting for the group exit
 		 * then notify it:

From d30fda355188272430d3865db2ff9e24b4135ae3 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:13 -0700
Subject: [PATCH 3353/3638] posix-cpu-timers: avoid "task->signal != NULL"
 checks

Preparation to make task->signal immutable, no functional changes.

posix-cpu-timers.c checks task->signal != NULL to ensure this task is
alive and didn't pass __exit_signal().  This is correct but we are going
to change the lifetime rules for ->signal and never reset this pointer.

Change the code to check ->sighand instead, it doesn't matter which
pointer we check under tasklist, they both are cleared simultaneously.

As Roland pointed out, some of these changes are not strictly needed and
probably it makes sense to revert them later, when ->signal will be pinned
to task_struct.  But this patch tries to ensure the subsequent changes in
fork/exit can't make any visible impact on posix cpu timers.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/posix-cpu-timers.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index 00bb252f29a..9829646d399 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -363,7 +363,7 @@ int posix_cpu_clock_get(const clockid_t which_clock, struct timespec *tp)
 				}
 			} else {
 				read_lock(&tasklist_lock);
-				if (thread_group_leader(p) && p->signal) {
+				if (thread_group_leader(p) && p->sighand) {
 					error =
 					    cpu_clock_sample_group(which_clock,
 							           p, &rtn);
@@ -439,7 +439,7 @@ int posix_cpu_timer_del(struct k_itimer *timer)
 
 	if (likely(p != NULL)) {
 		read_lock(&tasklist_lock);
-		if (unlikely(p->signal == NULL)) {
+		if (unlikely(p->sighand == NULL)) {
 			/*
 			 * We raced with the reaping of the task.
 			 * The deletion should have cleared us off the list.
@@ -691,10 +691,10 @@ int posix_cpu_timer_set(struct k_itimer *timer, int flags,
 	read_lock(&tasklist_lock);
 	/*
 	 * We need the tasklist_lock to protect against reaping that
-	 * clears p->signal.  If p has just been reaped, we can no
+	 * clears p->sighand.  If p has just been reaped, we can no
 	 * longer get any information about it at all.
 	 */
-	if (unlikely(p->signal == NULL)) {
+	if (unlikely(p->sighand == NULL)) {
 		read_unlock(&tasklist_lock);
 		put_task_struct(p);
 		timer->it.cpu.task = NULL;
@@ -863,7 +863,7 @@ void posix_cpu_timer_get(struct k_itimer *timer, struct itimerspec *itp)
 		clear_dead = p->exit_state;
 	} else {
 		read_lock(&tasklist_lock);
-		if (unlikely(p->signal == NULL)) {
+		if (unlikely(p->sighand == NULL)) {
 			/*
 			 * The process has been reaped.
 			 * We can't even collect a sample any more.
@@ -1199,7 +1199,7 @@ void posix_cpu_timer_schedule(struct k_itimer *timer)
 		spin_lock(&p->sighand->siglock);
 	} else {
 		read_lock(&tasklist_lock);
-		if (unlikely(p->signal == NULL)) {
+		if (unlikely(p->sighand == NULL)) {
 			/*
 			 * The process has been reaped.
 			 * We can't even collect a sample any more.

From ffdf91856c812646aa276711fa7e3ad80b00764a Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:14 -0700
Subject: [PATCH 3354/3638] ia64: ptrace_attach_sync_user_rbs: avoid
 "task->signal != NULL" checks

Preparation to make task->signal immutable, no functional changes.

It doesn't matter which pointer we check under tasklist to ensure the task
was not released, ->signal or ->sighand.  But we are going to make
->signal refcountable, change the code to use ->sighand.

Note: this code doesn't need this check and tasklist_lock at all, it
should be converted to use lock_task_sighand().  And, the code under
SIGNAL_STOP_STOPPED check looks wrong.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/kernel/ptrace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 0dec7f70244..7c7909f9bc9 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -638,7 +638,7 @@ ptrace_attach_sync_user_rbs (struct task_struct *child)
 	 */
 
 	read_lock(&tasklist_lock);
-	if (child->signal) {
+	if (child->sighand) {
 		spin_lock_irq(&child->sighand->siglock);
 		if (child->state == TASK_STOPPED &&
 		    !test_and_set_tsk_thread_flag(child, TIF_RESTORE_RSE)) {
@@ -662,7 +662,7 @@ ptrace_attach_sync_user_rbs (struct task_struct *child)
 	 * job control stop, so that SIGCONT can be used to wake it up.
 	 */
 	read_lock(&tasklist_lock);
-	if (child->signal) {
+	if (child->sighand) {
 		spin_lock_irq(&child->sighand->siglock);
 		if (child->state == TASK_TRACED &&
 		    (child->signal->flags & SIGNAL_STOP_STOPPED)) {

From 4dec2a91fd7e8815d730afbfdcf085cbf53433ac Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:15 -0700
Subject: [PATCH 3355/3638] fork/exit: move tty_kref_put() outside of
 __cleanup_signal()

tty_kref_put() has two callsites in copy_process() paths,

	1. if copy_process() suceeds it is called before we copy
	   signal->tty from parent

	2. otherwise it is called from __cleanup_signal() under
	   bad_fork_cleanup_signal: label

In both cases tty_kref_put() is not right and unneeded because we don't
have the balancing tty_kref_get().  Fortunately, this is harmless because
this can only happen without CLONE_THREAD, and in this case signal->tty
must be NULL.

Remove tty_kref_put() from copy_process() and __cleanup_signal(), and
change another caller of __cleanup_signal(), __exit_signal(), to call
tty_kref_put() by hand.

I hope this change makes sense by itself, but it is also needed to make
->signal refcountable.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/exit.c | 1 +
 kernel/fork.c | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index 4c70c377d21..4a72f1753ed 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -149,6 +149,7 @@ static void __exit_signal(struct task_struct *tsk)
 		 * see account_group_exec_runtime().
 		 */
 		task_rq_unlock_wait(tsk);
+		tty_kref_put(sig->tty);
 		__cleanup_signal(sig);
 	}
 }
diff --git a/kernel/fork.c b/kernel/fork.c
index 2e9cc3139ec..b7879ef6e7c 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -892,7 +892,6 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 void __cleanup_signal(struct signal_struct *sig)
 {
 	thread_group_cputime_free(sig);
-	tty_kref_put(sig->tty);
 	kmem_cache_free(signal_cachep, sig);
 }
 
@@ -1263,7 +1262,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 				p->nsproxy->pid_ns->child_reaper = p;
 
 			p->signal->leader_pid = pid;
-			tty_kref_put(p->signal->tty);
 			p->signal->tty = tty_kref_get(current->signal->tty);
 			attach_pid(p, PIDTYPE_PGID, task_pgrp(current));
 			attach_pid(p, PIDTYPE_SID, task_session(current));

From ea6d290ca34c4fd91b7348338c0cc7bdeff94a35 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:16 -0700
Subject: [PATCH 3356/3638] signals: make task_struct->signal
 immutable/refcountable

We have a lot of problems with accessing task_struct->signal, it can
"disappear" at any moment.  Even current can't use its ->signal safely
after exit_notify().  ->siglock helps, but it is not convenient, not
always possible, and sometimes it makes sense to use task->signal even
after this task has already dead.

This patch adds the reference counter, sigcnt, into signal_struct.  This
reference is owned by task_struct and it is dropped in
__put_task_struct().  Perhaps it makes sense to export
get/put_signal_struct() later, but currently I don't see the immediate
reason.

Rename __cleanup_signal() to free_signal_struct() and unexport it.  With
the previous changes it does nothing except kmem_cache_free().

Change __exit_signal() to not clear/free ->signal, it will be freed when
the last reference to any thread in the thread group goes away.

Note:
	- when the last thead exits signal->tty can point to nowhere, see
	  the next patch.

	- with or without this patch signal_struct->count should go away,
	  or at least it should be "int nr_threads" for fs/proc. This will
	  be addressed later.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/sched.h |  2 +-
 kernel/exit.c         |  3 ---
 kernel/fork.c         | 23 ++++++++++++++++-------
 3 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index a95a2455ceb..32e309df408 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -527,6 +527,7 @@ struct thread_group_cputimer {
  * the locking of signal_struct.
  */
 struct signal_struct {
+	atomic_t		sigcnt;
 	atomic_t		count;
 	atomic_t		live;
 
@@ -2101,7 +2102,6 @@ extern void flush_thread(void);
 extern void exit_thread(void);
 
 extern void exit_files(struct task_struct *);
-extern void __cleanup_signal(struct signal_struct *);
 extern void __cleanup_sighand(struct sighand_struct *);
 
 extern void exit_itimers(struct signal_struct *);
diff --git a/kernel/exit.c b/kernel/exit.c
index 4a72f1753ed..92af5cde9bb 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -134,8 +134,6 @@ static void __exit_signal(struct task_struct *tsk)
 	 * doing sigqueue_free() if we have SIGQUEUE_PREALLOC signals.
 	 */
 	flush_sigqueue(&tsk->pending);
-
-	tsk->signal = NULL;
 	tsk->sighand = NULL;
 	spin_unlock(&sighand->siglock);
 
@@ -150,7 +148,6 @@ static void __exit_signal(struct task_struct *tsk)
 		 */
 		task_rq_unlock_wait(tsk);
 		tty_kref_put(sig->tty);
-		__cleanup_signal(sig);
 	}
 }
 
diff --git a/kernel/fork.c b/kernel/fork.c
index b7879ef6e7c..e08e3012cd6 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -165,6 +165,18 @@ void free_task(struct task_struct *tsk)
 }
 EXPORT_SYMBOL(free_task);
 
+static inline void free_signal_struct(struct signal_struct *sig)
+{
+	thread_group_cputime_free(sig);
+	kmem_cache_free(signal_cachep, sig);
+}
+
+static inline void put_signal_struct(struct signal_struct *sig)
+{
+	if (atomic_dec_and_test(&sig->sigcnt))
+		free_signal_struct(sig);
+}
+
 void __put_task_struct(struct task_struct *tsk)
 {
 	WARN_ON(!tsk->exit_state);
@@ -173,6 +185,7 @@ void __put_task_struct(struct task_struct *tsk)
 
 	exit_creds(tsk);
 	delayacct_tsk_free(tsk);
+	put_signal_struct(tsk->signal);
 
 	if (!profile_handoff_task(tsk))
 		free_task(tsk);
@@ -864,6 +877,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	if (!sig)
 		return -ENOMEM;
 
+	atomic_set(&sig->sigcnt, 1);
 	atomic_set(&sig->count, 1);
 	atomic_set(&sig->live, 1);
 	init_waitqueue_head(&sig->wait_chldexit);
@@ -889,12 +903,6 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	return 0;
 }
 
-void __cleanup_signal(struct signal_struct *sig)
-{
-	thread_group_cputime_free(sig);
-	kmem_cache_free(signal_cachep, sig);
-}
-
 static void copy_flags(unsigned long clone_flags, struct task_struct *p)
 {
 	unsigned long new_flags = p->flags;
@@ -1248,6 +1256,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	}
 
 	if (clone_flags & CLONE_THREAD) {
+		atomic_inc(&current->signal->sigcnt);
 		atomic_inc(&current->signal->count);
 		atomic_inc(&current->signal->live);
 		p->group_leader = current->group_leader;
@@ -1294,7 +1303,7 @@ bad_fork_cleanup_mm:
 		mmput(p->mm);
 bad_fork_cleanup_signal:
 	if (!(clone_flags & CLONE_THREAD))
-		__cleanup_signal(p->signal);
+		free_signal_struct(p->signal);
 bad_fork_cleanup_sighand:
 	__cleanup_sighand(p->sighand);
 bad_fork_cleanup_fs:

From 4ada856fb0ee62f6fe3aac3de726deac0640d929 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:17 -0700
Subject: [PATCH 3357/3638] signals: clear signal->tty when the last thread
 exits

When the last thread exits signal->tty is freed, but the pointer is not
cleared and points to nowhere.

This is OK.  Nobody should use signal->tty lockless, and it is no longer
possible to take ->siglock.  However this looks wrong even if correct, and
the nice OOPS is better than subtle and hard to find bugs.

Change __exit_signal() to clear signal->tty under ->siglock.

Note: __exit_signal() needs more cleanups.  It should not check "sig !=
NULL" to detect the all-dead case and we have the same issues with
signal->stats.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/exit.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index 92af5cde9bb..356d91fa095 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -80,6 +80,7 @@ static void __exit_signal(struct task_struct *tsk)
 {
 	struct signal_struct *sig = tsk->signal;
 	struct sighand_struct *sighand;
+	struct tty_struct *uninitialized_var(tty);
 
 	BUG_ON(!sig);
 	BUG_ON(!atomic_read(&sig->count));
@@ -93,6 +94,8 @@ static void __exit_signal(struct task_struct *tsk)
 	posix_cpu_timers_exit(tsk);
 	if (thread_group_leader(tsk)) {
 		posix_cpu_timers_exit_group(tsk);
+		tty = sig->tty;
+		sig->tty = NULL;
 	} else {
 		/*
 		 * If there is any task waiting for the group exit
@@ -147,7 +150,7 @@ static void __exit_signal(struct task_struct *tsk)
 		 * see account_group_exec_runtime().
 		 */
 		task_rq_unlock_wait(tsk);
-		tty_kref_put(sig->tty);
+		tty_kref_put(tty);
 	}
 }
 

From b7b8ff6373d4b910af081f76888395e6df53249d Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:18 -0700
Subject: [PATCH 3358/3638] signals: kill the awful task_rq_unlock_wait() hack

Now that task->signal can't go away we can revert the horrible hack added
by ad474caca3e2a0550b7ce0706527ad5ab389a4d4 ("fix for
account_group_exec_runtime(), make sure ->signal can't be freed under
rq->lock").

And we can do more cleanups sched_stats.h/posix-cpu-timers.c later.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/sched.h | 1 -
 kernel/exit.c         | 5 -----
 kernel/sched.c        | 8 --------
 3 files changed, 14 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 32e309df408..2d1e1a1228e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -268,7 +268,6 @@ extern void init_idle(struct task_struct *idle, int cpu);
 extern void init_idle_bootup_task(struct task_struct *idle);
 
 extern int runqueue_is_locked(int cpu);
-extern void task_rq_unlock_wait(struct task_struct *p);
 
 extern cpumask_var_t nohz_cpu_mask;
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
diff --git a/kernel/exit.c b/kernel/exit.c
index 356d91fa095..bbc79064650 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -145,11 +145,6 @@ static void __exit_signal(struct task_struct *tsk)
 	if (sig) {
 		flush_sigqueue(&sig->shared_pending);
 		taskstats_tgid_free(sig);
-		/*
-		 * Make sure ->signal can't go away under rq->lock,
-		 * see account_group_exec_runtime().
-		 */
-		task_rq_unlock_wait(tsk);
 		tty_kref_put(tty);
 	}
 }
diff --git a/kernel/sched.c b/kernel/sched.c
index 054a6012de9..15b93f617fd 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -969,14 +969,6 @@ static struct rq *task_rq_lock(struct task_struct *p, unsigned long *flags)
 	}
 }
 
-void task_rq_unlock_wait(struct task_struct *p)
-{
-	struct rq *rq = task_rq(p);
-
-	smp_mb(); /* spin-unlock-wait is not a full memory barrier */
-	raw_spin_unlock_wait(&rq->lock);
-}
-
 static void __task_rq_unlock(struct rq *rq)
 	__releases(rq->lock)
 {

From d40e48e02f3785b9342ee4eb3d7cc9f12981b7f5 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:19 -0700
Subject: [PATCH 3359/3638] exit: __exit_signal: use thread_group_leader()
 consistently

Cleanup:

- Add the boolean, group_dead = thread_group_leader(), for clarity.

- Do not test/set sig == NULL to detect the all-dead case, use this
  boolean.

- Pass this boolen to __unhash_process() and use it instead of another
  thread_group_leader() call which needs ->group_leader.

  This can be considered as microoptimization, but hopefully this also
  allows us do do other cleanups later.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/exit.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index bbc79064650..3602f468e3a 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -58,11 +58,11 @@
 
 static void exit_mm(struct task_struct * tsk);
 
-static void __unhash_process(struct task_struct *p)
+static void __unhash_process(struct task_struct *p, bool group_dead)
 {
 	nr_threads--;
 	detach_pid(p, PIDTYPE_PID);
-	if (thread_group_leader(p)) {
+	if (group_dead) {
 		detach_pid(p, PIDTYPE_PGID);
 		detach_pid(p, PIDTYPE_SID);
 
@@ -79,6 +79,7 @@ static void __unhash_process(struct task_struct *p)
 static void __exit_signal(struct task_struct *tsk)
 {
 	struct signal_struct *sig = tsk->signal;
+	bool group_dead = thread_group_leader(tsk);
 	struct sighand_struct *sighand;
 	struct tty_struct *uninitialized_var(tty);
 
@@ -92,7 +93,7 @@ static void __exit_signal(struct task_struct *tsk)
 	atomic_dec(&sig->count);
 
 	posix_cpu_timers_exit(tsk);
-	if (thread_group_leader(tsk)) {
+	if (group_dead) {
 		posix_cpu_timers_exit_group(tsk);
 		tty = sig->tty;
 		sig->tty = NULL;
@@ -127,10 +128,9 @@ static void __exit_signal(struct task_struct *tsk)
 		sig->oublock += task_io_get_oublock(tsk);
 		task_io_accounting_add(&sig->ioac, &tsk->ioac);
 		sig->sum_sched_runtime += tsk->se.sum_exec_runtime;
-		sig = NULL; /* Marker for below. */
 	}
 
-	__unhash_process(tsk);
+	__unhash_process(tsk, group_dead);
 
 	/*
 	 * Do this under ->siglock, we can race with another thread
@@ -142,7 +142,7 @@ static void __exit_signal(struct task_struct *tsk)
 
 	__cleanup_sighand(sighand);
 	clear_tsk_thread_flag(tsk,TIF_SIGPENDING);
-	if (sig) {
+	if (group_dead) {
 		flush_sigqueue(&sig->shared_pending);
 		taskstats_tgid_free(sig);
 		tty_kref_put(tty);

From a705be6b5e8b05f2ae51536ec709de921960326c Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:19 -0700
Subject: [PATCH 3360/3638] kill the obsolete thread_group_cputime_free()
 helper

Kill the empty thread_group_cputime_free() helper.  It was needed to free
the per-cpu data which we no longer have.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/sched.h | 4 ----
 kernel/fork.c         | 1 -
 2 files changed, 5 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 2d1e1a1228e..dd597d8013a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2393,10 +2393,6 @@ static inline void thread_group_cputime_init(struct signal_struct *sig)
 	spin_lock_init(&sig->cputimer.lock);
 }
 
-static inline void thread_group_cputime_free(struct signal_struct *sig)
-{
-}
-
 /*
  * Reevaluate whether the task has signals pending delivery.
  * Wake the task if so.
diff --git a/kernel/fork.c b/kernel/fork.c
index e08e3012cd6..58f8611b1ac 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -167,7 +167,6 @@ EXPORT_SYMBOL(free_task);
 
 static inline void free_signal_struct(struct signal_struct *sig)
 {
-	thread_group_cputime_free(sig);
 	kmem_cache_free(signal_cachep, sig);
 }
 

From 97101eb41d0d3c97543878ce40e0b8a8b2747ed7 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:20 -0700
Subject: [PATCH 3361/3638] exit: move taskstats_tgid_free() from
 __exit_signal() to free_signal_struct()

Move taskstats_tgid_free() from __exit_signal() to free_signal_struct().

This way signal->stats never points to nowhere and we can read ->stats
lockless.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/exit.c | 1 -
 kernel/fork.c | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index 3602f468e3a..357d443d5a0 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -144,7 +144,6 @@ static void __exit_signal(struct task_struct *tsk)
 	clear_tsk_thread_flag(tsk,TIF_SIGPENDING);
 	if (group_dead) {
 		flush_sigqueue(&sig->shared_pending);
-		taskstats_tgid_free(sig);
 		tty_kref_put(tty);
 	}
 }
diff --git a/kernel/fork.c b/kernel/fork.c
index 58f8611b1ac..7701470ea1b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -167,6 +167,7 @@ EXPORT_SYMBOL(free_task);
 
 static inline void free_signal_struct(struct signal_struct *sig)
 {
+	taskstats_tgid_free(sig);
 	kmem_cache_free(signal_cachep, sig);
 }
 

From 6e1be45aa6ba6a36c0312f65ecf311135c73001d Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:21 -0700
Subject: [PATCH 3362/3638] check_unshare_flags: kill the bogus
 CLONE_SIGHAND/sig->count check

check_unshare_flags(CLONE_SIGHAND) adds CLONE_THREAD to *flags_ptr if the
task is multithreaded to ensure unshare_thread() will fail.

Not only this is a bit strange way to return the error, this is absolutely
meaningless.  If signal->count > 1 then sighand->count must be also > 1,
and unshare_sighand() will fail anyway.

In fact, all CLONE_THREAD/SIGHAND/VM checks inside sys_unshare() do not
look right.  Fortunately this code doesn't really work anyway.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/fork.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index 7701470ea1b..40cd099cfc1 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1517,14 +1517,6 @@ static void check_unshare_flags(unsigned long *flags_ptr)
 	if (*flags_ptr & CLONE_VM)
 		*flags_ptr |= CLONE_SIGHAND;
 
-	/*
-	 * If unsharing signal handlers and the task was created
-	 * using CLONE_THREAD, then must unshare the thread
-	 */
-	if ((*flags_ptr & CLONE_SIGHAND) &&
-	    (atomic_read(&current->signal->count) > 1))
-		*flags_ptr |= CLONE_THREAD;
-
 	/*
 	 * If unsharing namespace, must also unshare filesystem information.
 	 */

From 7e49827cc937a742ae02078b483e3eb78f791a2a Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:22 -0700
Subject: [PATCH 3363/3638] proc: get_nr_threads() doesn't need ->siglock any
 longer

Now that task->signal can't go away get_nr_threads() doesn't need
->siglock to read signal->count.

Also, make it inline, move into sched.h, and convert 2 other proc users of
signal->count to use this (now trivial) helper.

Henceforth get_nr_threads() is the only valid user of signal->count, we
are ready to turn it into "int nr_threads" or, perhaps, kill it.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/array.c       |  4 ++--
 fs/proc/base.c        | 12 ------------
 include/linux/sched.h |  5 +++++
 3 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 885ab5513ac..9b58d38bc91 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -267,7 +267,7 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p)
 		shpending = p->signal->shared_pending.signal;
 		blocked = p->blocked;
 		collect_sigign_sigcatch(p, &ignored, &caught);
-		num_threads = atomic_read(&p->signal->count);
+		num_threads = get_nr_threads(p);
 		rcu_read_lock();  /* FIXME: is this correct? */
 		qsize = atomic_read(&__task_cred(p)->user->sigpending);
 		rcu_read_unlock();
@@ -410,7 +410,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
 			tty_nr = new_encode_dev(tty_devnum(sig->tty));
 		}
 
-		num_threads = atomic_read(&sig->count);
+		num_threads = get_nr_threads(task);
 		collect_sigign_sigcatch(task, &sigign, &sigcatch);
 
 		cmin_flt = sig->cmin_flt;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index c7f9f23449d..c384e8b84df 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -166,18 +166,6 @@ static int get_fs_path(struct task_struct *task, struct path *path, bool root)
 	return result;
 }
 
-static int get_nr_threads(struct task_struct *tsk)
-{
-	unsigned long flags;
-	int count = 0;
-
-	if (lock_task_sighand(tsk, &flags)) {
-		count = atomic_read(&tsk->signal->count);
-		unlock_task_sighand(tsk, &flags);
-	}
-	return count;
-}
-
 static int proc_cwd_link(struct inode *inode, struct path *path)
 {
 	struct task_struct *task = get_proc_task(inode);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index dd597d8013a..ccd2d150072 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2147,6 +2147,11 @@ extern bool current_is_single_threaded(void);
 #define while_each_thread(g, t) \
 	while ((t = next_thread(t)) != g)
 
+static inline int get_nr_threads(struct task_struct *tsk)
+{
+	return atomic_read(&tsk->signal->count);
+}
+
 /* de_thread depends on thread_group_leader not being a pid based check */
 #define thread_group_leader(p)	(p == p->group_leader)
 

From 5089a9768041206c76fac299ccd82a528c24c254 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:22 -0700
Subject: [PATCH 3364/3638] proc_sched_show_task(): use get_nr_threads()

Trivial, use get_nr_threads() helper to read signal->count which we are
going to change.

Like other callers, proc_sched_show_task() doesn't need the exactly
precise nr_threads.

David said:

: Note that get_nr_threads() isn't completely equivalent (it can return 0
: where proc_sched_show_task() will display a 1).  But I don't think this
: should be a problem.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/sched_debug.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 87a330a7185..35565395d00 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -381,15 +381,9 @@ __initcall(init_sched_debug_procfs);
 void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
 {
 	unsigned long nr_switches;
-	unsigned long flags;
-	int num_threads = 1;
 
-	if (lock_task_sighand(p, &flags)) {
-		num_threads = atomic_read(&p->signal->count);
-		unlock_task_sighand(p, &flags);
-	}
-
-	SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, p->pid, num_threads);
+	SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, p->pid,
+						get_nr_threads(p));
 	SEQ_printf(m,
 		"---------------------------------------------------------\n");
 #define __P(F) \

From dd98acf74762764fbc4382a1d9a244f11a2658cc Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:23 -0700
Subject: [PATCH 3365/3638] keyctl_session_to_parent(): use
 thread_group_empty() to check singlethreadness

No functional changes.

keyctl_session_to_parent() is the only user of signal->count which needs
the correct value.  Change it to use thread_group_empty() instead, this
must be strictly equivalent under tasklist, and imho looks better.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 security/keys/keyctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 8f4dce1987c..13074b45474 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -1269,7 +1269,7 @@ long keyctl_session_to_parent(void)
 		goto not_permitted;
 
 	/* the parent must be single threaded */
-	if (atomic_read(&parent->signal->count) != 1)
+	if (!thread_group_empty(parent))
 		goto not_permitted;
 
 	/* the parent and the child must have different session keyrings or

From b3ac022cb9dc5883505a88b159d1b240ad1ef405 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:43:24 -0700
Subject: [PATCH 3366/3638] proc: turn signal_struct->count into "int
 nr_threads"

No functional changes, just s/atomic_t count/int nr_threads/.

With the recent changes this counter has a single user, get_nr_threads()
And, none of its callers need the really accurate number of threads, not
to mention each caller obviously races with fork/exit.  It is only used to
report this value to the user-space, except first_tid() uses it to avoid
the unnecessary while_each_thread() loop in the unlikely case.

It is a bit sad we need a word in struct signal_struct for this, perhaps
we can change get_nr_threads() to approximate the number of threads using
signal->live and kill ->nr_threads later.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/init_task.h | 2 +-
 include/linux/sched.h     | 4 ++--
 kernel/exit.c             | 5 +----
 kernel/fork.c             | 8 ++++----
 4 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 7996fc2c9ba..0551e0dcb71 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -16,7 +16,7 @@ extern struct files_struct init_files;
 extern struct fs_struct init_fs;
 
 #define INIT_SIGNALS(sig) {						\
-	.count		= ATOMIC_INIT(1), 				\
+	.nr_threads	= 1,						\
 	.wait_chldexit	= __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
 	.shared_pending	= { 						\
 		.list = LIST_HEAD_INIT(sig.shared_pending.list),	\
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ccd2d150072..f118809c953 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -527,8 +527,8 @@ struct thread_group_cputimer {
  */
 struct signal_struct {
 	atomic_t		sigcnt;
-	atomic_t		count;
 	atomic_t		live;
+	int			nr_threads;
 
 	wait_queue_head_t	wait_chldexit;	/* for wait4() */
 
@@ -2149,7 +2149,7 @@ extern bool current_is_single_threaded(void);
 
 static inline int get_nr_threads(struct task_struct *tsk)
 {
-	return atomic_read(&tsk->signal->count);
+	return tsk->signal->nr_threads;
 }
 
 /* de_thread depends on thread_group_leader not being a pid based check */
diff --git a/kernel/exit.c b/kernel/exit.c
index 357d443d5a0..ceffc67b564 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -83,14 +83,10 @@ static void __exit_signal(struct task_struct *tsk)
 	struct sighand_struct *sighand;
 	struct tty_struct *uninitialized_var(tty);
 
-	BUG_ON(!sig);
-	BUG_ON(!atomic_read(&sig->count));
-
 	sighand = rcu_dereference_check(tsk->sighand,
 					rcu_read_lock_held() ||
 					lockdep_tasklist_lock_is_held());
 	spin_lock(&sighand->siglock);
-	atomic_dec(&sig->count);
 
 	posix_cpu_timers_exit(tsk);
 	if (group_dead) {
@@ -130,6 +126,7 @@ static void __exit_signal(struct task_struct *tsk)
 		sig->sum_sched_runtime += tsk->se.sum_exec_runtime;
 	}
 
+	sig->nr_threads--;
 	__unhash_process(tsk, group_dead);
 
 	/*
diff --git a/kernel/fork.c b/kernel/fork.c
index 40cd099cfc1..d32410bd4be 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -877,9 +877,9 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	if (!sig)
 		return -ENOMEM;
 
-	atomic_set(&sig->sigcnt, 1);
-	atomic_set(&sig->count, 1);
+	sig->nr_threads = 1;
 	atomic_set(&sig->live, 1);
+	atomic_set(&sig->sigcnt, 1);
 	init_waitqueue_head(&sig->wait_chldexit);
 	if (clone_flags & CLONE_NEWPID)
 		sig->flags |= SIGNAL_UNKILLABLE;
@@ -1256,9 +1256,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	}
 
 	if (clone_flags & CLONE_THREAD) {
-		atomic_inc(&current->signal->sigcnt);
-		atomic_inc(&current->signal->count);
+		current->signal->nr_threads++;
 		atomic_inc(&current->signal->live);
+		atomic_inc(&current->signal->sigcnt);
 		p->group_leader = current->group_leader;
 		list_add_tail_rcu(&p->thread_group, &p->group_leader->thread_group);
 	}

From 73d3646029138743989b6c213628484301a72eb1 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Wed, 26 May 2010 14:43:25 -0700
Subject: [PATCH 3367/3638] proc: cleanup: remove unused assignments

I removed 3 unused assignments.  The first two get reset on the first
statement of their functions.  For "err" in root.c we don't return an
error and we don't use the variable again.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/base.c | 4 ++--
 fs/proc/root.c | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index c384e8b84df..acb7ef80ea4 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2432,7 +2432,7 @@ static struct dentry *proc_base_instantiate(struct inode *dir,
 	const struct pid_entry *p = ptr;
 	struct inode *inode;
 	struct proc_inode *ei;
-	struct dentry *error = ERR_PTR(-EINVAL);
+	struct dentry *error;
 
 	/* Allocate the inode */
 	error = ERR_PTR(-ENOMEM);
@@ -2782,7 +2782,7 @@ out:
 
 struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *nd)
 {
-	struct dentry *result = ERR_PTR(-ENOENT);
+	struct dentry *result;
 	struct task_struct *task;
 	unsigned tgid;
 	struct pid_namespace *ns;
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 757c069f2a6..4258384ed22 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -110,7 +110,6 @@ void __init proc_root_init(void)
 	if (err)
 		return;
 	proc_mnt = kern_mount_data(&proc_fs_type, &init_pid_ns);
-	err = PTR_ERR(proc_mnt);
 	if (IS_ERR(proc_mnt)) {
 		unregister_filesystem(&proc_fs_type);
 		return;

From 57f87869f073929f8e8b3c73748aabb0cece19aa Mon Sep 17 00:00:00 2001
From: Amerigo Wang <amwang@redhat.com>
Date: Wed, 26 May 2010 14:43:26 -0700
Subject: [PATCH 3368/3638] proc: remove obsolete comments

A quick test shows these comments are obsolete, so just remove them.

Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/generic.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 43c12749060..2791907744e 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -343,21 +343,6 @@ static DEFINE_SPINLOCK(proc_inum_lock); /* protects the above */
 /*
  * Return an inode number between PROC_DYNAMIC_FIRST and
  * 0xffffffff, or zero on failure.
- *
- * Current inode allocations in the proc-fs (hex-numbers):
- *
- * 00000000		reserved
- * 00000001-00000fff	static entries	(goners)
- *      001		root-ino
- *
- * 00001000-00001fff	unused
- * 0001xxxx-7fffxxxx	pid-dir entries for pid 1-7fff
- * 80000000-efffffff	unused
- * f0000000-ffffffff	dynamic entries
- *
- * Goal:
- *	Once we split the thing into several virtual filesystems,
- *	we will get rid of magical ranges (and this comment, BTW).
  */
 static unsigned int get_inode_number(void)
 {

From 36e15263aa5dcf3b72f1f88437e69497782b7ab8 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Wed, 26 May 2010 14:43:27 -0700
Subject: [PATCH 3369/3638] kcore: add _text to KCORE_TEXT

Extend KCORE_TEXT to cover the pages between _text and _stext, to allow
examining some important page table pages.

`readelf -a` output on x86_64 before and after patch:
	  Type           Offset             VirtAddr           PhysAddr
before    LOAD           0x00007fff8100c000 0xffffffff81009000 0x0000000000000000
after     LOAD           0x00007fff81003000 0xffffffff81000000 0x0000000000000000

The newly covered pages are:

	0xffffffff81000000 <startup_64> etc.
	0xffffffff81001000 <init_level4_pgt>
	0xffffffff81002000 <level3_ident_pgt>
	0xffffffff81003000 <level3_kernel_pgt>
	0xffffffff81004000 <level2_fixmap_pgt>
	0xffffffff81005000 <level1_fixmap_pgt>
	0xffffffff81006000 <level2_ident_pgt>
	0xffffffff81007000 <level2_kernel_pgt>
	0xffffffff81008000 <level2_spare_pgt>

Before patch, /proc/kcore shows outdated contents for the above page
table pages, for example:

	(gdb) p level3_ident_pgt
	$1 = {<text variable, no debug info>} 0xffffffff81002000 <level3_ident_pgt>
	(gdb) p/x *((pud_t *)&level3_ident_pgt)@512
	$2 = {{pud = 0x1006063}, {pud = 0x0} <repeats 511 times>}

while the real content is:

	root@hp /home/wfg# hexdump -s 0x1002000 -n 4096 /dev/mem
	1002000 6063 0100 0000 0000 8067 0000 0000 0000
	1002010 0000 0000 0000 0000 0000 0000 0000 0000
	*
	1003000

That is, on a x86_64 box with 2GB memory, we can see first-1GB / full-2GB
identity mapping before/after patch:

	(gdb) p/x *((pud_t *)&level3_ident_pgt)@512
before  $1 = {{pud = 0x1006063}, {pud = 0x0} <repeats 511 times>}
after   $1 = {{pud = 0x1006063}, {pud = 0x8067}, {pud = 0x0} <repeats 510 times>}

Obviously the content before patch is wrong.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/kcore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index c837a77351b..6f37c391468 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -588,7 +588,7 @@ static struct kcore_list kcore_text;
  */
 static void __init proc_kcore_text_init(void)
 {
-	kclist_add(&kcore_text, _stext, _end - _stext, KCORE_TEXT);
+	kclist_add(&kcore_text, _text, _end - _text, KCORE_TEXT);
 }
 #else
 static void __init proc_kcore_text_init(void)

From e9fb7631ebcdc9467cbb736337546a42f7b7f28e Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:28 -0700
Subject: [PATCH 3370/3638] cpu-hotplug: introduce cpu_notify(),
 __cpu_notify(), cpu_notify_nofail()

No functional change.  These are just wrappers of
raw_cpu_notifier_call_chain.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cpu.c | 54 ++++++++++++++++++++++++++++++----------------------
 1 file changed, 31 insertions(+), 23 deletions(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 124ad9d6be1..09207c772c2 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -134,6 +134,26 @@ int __ref register_cpu_notifier(struct notifier_block *nb)
 	return ret;
 }
 
+static int __cpu_notify(unsigned long val, void *v, int nr_to_call,
+			int *nr_calls)
+{
+	return __raw_notifier_call_chain(&cpu_chain, val, v, nr_to_call,
+					nr_calls);
+}
+
+static int cpu_notify(unsigned long val, void *v)
+{
+	return __cpu_notify(val, v, -1, NULL);
+}
+
+static void cpu_notify_nofail(unsigned long val, void *v)
+{
+	int err;
+
+	err = cpu_notify(val, v);
+	BUG_ON(err == NOTIFY_BAD);
+}
+
 #ifdef CONFIG_HOTPLUG_CPU
 
 EXPORT_SYMBOL(register_cpu_notifier);
@@ -181,8 +201,7 @@ static int __ref take_cpu_down(void *_param)
 	if (err < 0)
 		return err;
 
-	raw_notifier_call_chain(&cpu_chain, CPU_DYING | param->mod,
-				param->hcpu);
+	cpu_notify(CPU_DYING | param->mod, param->hcpu);
 
 	if (task_cpu(param->caller) == cpu)
 		move_task_off_dead_cpu(cpu, param->caller);
@@ -212,14 +231,12 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen)
 
 	cpu_hotplug_begin();
 	set_cpu_active(cpu, false);
-	err = __raw_notifier_call_chain(&cpu_chain, CPU_DOWN_PREPARE | mod,
-					hcpu, -1, &nr_calls);
+	err = __cpu_notify(CPU_DOWN_PREPARE | mod, hcpu, -1, &nr_calls);
 	if (err == NOTIFY_BAD) {
 		set_cpu_active(cpu, true);
 
 		nr_calls--;
-		__raw_notifier_call_chain(&cpu_chain, CPU_DOWN_FAILED | mod,
-					  hcpu, nr_calls, NULL);
+		__cpu_notify(CPU_DOWN_FAILED | mod, hcpu, nr_calls, NULL);
 		printk("%s: attempt to take down CPU %u failed\n",
 				__func__, cpu);
 		err = -EINVAL;
@@ -230,9 +247,7 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen)
 	if (err) {
 		set_cpu_active(cpu, true);
 		/* CPU didn't die: tell everyone.  Can't complain. */
-		if (raw_notifier_call_chain(&cpu_chain, CPU_DOWN_FAILED | mod,
-					    hcpu) == NOTIFY_BAD)
-			BUG();
+		cpu_notify_nofail(CPU_DOWN_FAILED | mod, hcpu);
 
 		goto out_release;
 	}
@@ -246,19 +261,14 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen)
 	__cpu_die(cpu);
 
 	/* CPU is completely dead: tell everyone.  Too late to complain. */
-	if (raw_notifier_call_chain(&cpu_chain, CPU_DEAD | mod,
-				    hcpu) == NOTIFY_BAD)
-		BUG();
+	cpu_notify_nofail(CPU_DEAD | mod, hcpu);
 
 	check_for_tasks(cpu);
 
 out_release:
 	cpu_hotplug_done();
-	if (!err) {
-		if (raw_notifier_call_chain(&cpu_chain, CPU_POST_DEAD | mod,
-					    hcpu) == NOTIFY_BAD)
-			BUG();
-	}
+	if (!err)
+		cpu_notify_nofail(CPU_POST_DEAD | mod, hcpu);
 	return err;
 }
 
@@ -293,8 +303,7 @@ static int __cpuinit _cpu_up(unsigned int cpu, int tasks_frozen)
 		return -EINVAL;
 
 	cpu_hotplug_begin();
-	ret = __raw_notifier_call_chain(&cpu_chain, CPU_UP_PREPARE | mod, hcpu,
-							-1, &nr_calls);
+	ret = __cpu_notify(CPU_UP_PREPARE | mod, hcpu, -1, &nr_calls);
 	if (ret == NOTIFY_BAD) {
 		nr_calls--;
 		printk("%s: attempt to bring up CPU %u failed\n",
@@ -312,12 +321,11 @@ static int __cpuinit _cpu_up(unsigned int cpu, int tasks_frozen)
 	set_cpu_active(cpu, true);
 
 	/* Now call notifier in preparation. */
-	raw_notifier_call_chain(&cpu_chain, CPU_ONLINE | mod, hcpu);
+	cpu_notify(CPU_ONLINE | mod, hcpu);
 
 out_notify:
 	if (ret != 0)
-		__raw_notifier_call_chain(&cpu_chain,
-				CPU_UP_CANCELED | mod, hcpu, nr_calls, NULL);
+		__cpu_notify(CPU_UP_CANCELED | mod, hcpu, nr_calls, NULL);
 	cpu_hotplug_done();
 
 	return ret;
@@ -481,7 +489,7 @@ void __cpuinit notify_cpu_starting(unsigned int cpu)
 	if (frozen_cpus != NULL && cpumask_test_cpu(cpu, frozen_cpus))
 		val = CPU_STARTING_FROZEN;
 #endif /* CONFIG_PM_SLEEP_SMP */
-	raw_notifier_call_chain(&cpu_chain, val, (void *)(long)cpu);
+	cpu_notify(val, (void *)(long)cpu);
 }
 
 #endif /* CONFIG_SMP */

From e6bde73b07edeb703d4c89c1daabc09c303de11f Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:29 -0700
Subject: [PATCH 3371/3638] cpu-hotplug: return better errno on cpu hotplug
 failure

Currently, onlining or offlining a CPU failure by one of the cpu notifiers
error always cause -EINVAL error.  (i.e.  writing 0 or 1 to
/sys/devices/system/cpu/cpuX/online gets EINVAL)

To get better error reporting rather than always getting -EINVAL, This
changes cpu_notify() to return -errno value with notifier_to_errno() and
fix the callers.  Now that cpu notifiers can return encapsulate errno
value.

Currently, all cpu hotplug notifiers return NOTIFY_OK, NOTIFY_BAD, or
NOTIFY_DONE.  So cpu_notify() can returns 0 or -EPERM with this change for
now.

(notifier_to_errno(NOTIFY_OK) == 0, notifier_to_errno(NOTIFY_DONE) == 0,
notifier_to_errno(NOTIFY_BAD) == -EPERM)

Forthcoming patches convert several cpu notifiers to return encapsulate
errno value with notifier_from_errno().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cpu.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 09207c772c2..0690ac27a25 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -137,8 +137,12 @@ int __ref register_cpu_notifier(struct notifier_block *nb)
 static int __cpu_notify(unsigned long val, void *v, int nr_to_call,
 			int *nr_calls)
 {
-	return __raw_notifier_call_chain(&cpu_chain, val, v, nr_to_call,
+	int ret;
+
+	ret = __raw_notifier_call_chain(&cpu_chain, val, v, nr_to_call,
 					nr_calls);
+
+	return notifier_to_errno(ret);
 }
 
 static int cpu_notify(unsigned long val, void *v)
@@ -151,7 +155,7 @@ static void cpu_notify_nofail(unsigned long val, void *v)
 	int err;
 
 	err = cpu_notify(val, v);
-	BUG_ON(err == NOTIFY_BAD);
+	BUG_ON(err);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -232,14 +236,13 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen)
 	cpu_hotplug_begin();
 	set_cpu_active(cpu, false);
 	err = __cpu_notify(CPU_DOWN_PREPARE | mod, hcpu, -1, &nr_calls);
-	if (err == NOTIFY_BAD) {
+	if (err) {
 		set_cpu_active(cpu, true);
 
 		nr_calls--;
 		__cpu_notify(CPU_DOWN_FAILED | mod, hcpu, nr_calls, NULL);
 		printk("%s: attempt to take down CPU %u failed\n",
 				__func__, cpu);
-		err = -EINVAL;
 		goto out_release;
 	}
 
@@ -304,11 +307,10 @@ static int __cpuinit _cpu_up(unsigned int cpu, int tasks_frozen)
 
 	cpu_hotplug_begin();
 	ret = __cpu_notify(CPU_UP_PREPARE | mod, hcpu, -1, &nr_calls);
-	if (ret == NOTIFY_BAD) {
+	if (ret) {
 		nr_calls--;
 		printk("%s: attempt to bring up CPU %u failed\n",
 				__func__, cpu);
-		ret = -EINVAL;
 		goto out_notify;
 	}
 

From b957e043ee557ca9b6bc451755ecd849b28852a4 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:29 -0700
Subject: [PATCH 3372/3638] notifier: change notifier_from_errno(0) to return
 NOTIFY_OK

This changes notifier_from_errno(0) to be NOTIFY_OK instead of
NOTIFY_STOP_MASK | NOTIFY_OK.

Currently, the notifiers which return encapsulated errno value have to
do something like this:

	err = do_something(); // returns -errno
	if (err)
		return notifier_from_errno(err);
	else
		return NOTIFY_OK;

This change makes the above code simple:

	err = do_something(); // returns -errno

	return return notifier_from_errno(err);

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/notifier.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 7c360962233..540703b555c 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -164,7 +164,10 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
 /* Encapsulate (negative) errno value (in particular, NOTIFY_BAD <=> EPERM). */
 static inline int notifier_from_errno(int err)
 {
-	return NOTIFY_STOP_MASK | (NOTIFY_OK - err);
+	if (err)
+		return NOTIFY_STOP_MASK | (NOTIFY_OK - err);
+
+	return NOTIFY_OK;
 }
 
 /* Restore (negative) errno value from notify return value. */

From a94247e7fb99170590dc9592792045c6fa49c7f5 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:30 -0700
Subject: [PATCH 3373/3638] x86: convert cpu notifier to return encapsulate
 errno value

By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for msr, cpuid, and
therm_throt.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/kernel/cpu/mcheck/therm_throt.c | 2 +-
 arch/x86/kernel/cpuid.c                  | 2 +-
 arch/x86/kernel/msr.c                    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 81c499eceb2..e1a0a3bf971 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -190,7 +190,7 @@ thermal_throttle_cpu_callback(struct notifier_block *nfb,
 		mutex_unlock(&therm_cpu_lock);
 		break;
 	}
-	return err ? NOTIFY_BAD : NOTIFY_OK;
+	return notifier_from_errno(err);
 }
 
 static struct notifier_block thermal_throttle_cpu_notifier __cpuinitdata =
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 8b862d5900f..1b7b31ab7d8 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -170,7 +170,7 @@ static int __cpuinit cpuid_class_cpu_callback(struct notifier_block *nfb,
 		cpuid_device_destroy(cpu);
 		break;
 	}
-	return err ? NOTIFY_BAD : NOTIFY_OK;
+	return notifier_from_errno(err);
 }
 
 static struct notifier_block __refdata cpuid_class_cpu_notifier =
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 4d4468e9f47..7bf2dc4c8f7 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -230,7 +230,7 @@ static int __cpuinit msr_class_cpu_callback(struct notifier_block *nfb,
 		msr_device_destroy(cpu);
 		break;
 	}
-	return err ? NOTIFY_BAD : NOTIFY_OK;
+	return notifier_from_errno(err);
 }
 
 static struct notifier_block __refdata msr_class_cpu_notifier = {

From ad84bb5b98bf81deae97e3bcd814675d6b4e6f72 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:31 -0700
Subject: [PATCH 3374/3638] topology: convert cpu notifier to return
 encapsulate errno value

By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for topology.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/base/topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index bf6b13206d0..9fc630ce1dd 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -162,7 +162,7 @@ static int __cpuinit topology_cpu_callback(struct notifier_block *nfb,
 		topology_remove_dev(cpu);
 		break;
 	}
-	return rc ? NOTIFY_BAD : NOTIFY_OK;
+	return notifier_from_errno(rc);
 }
 
 static int __cpuinit topology_sysfs_init(void)

From 80b5184cc537718122e036afe7e62d202b70d077 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:32 -0700
Subject: [PATCH 3375/3638] kernel/: convert cpu notifier to return encapsulate
 errno value

By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for kernel/*.c

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/padata.c    | 4 ++--
 kernel/profile.c   | 4 ++--
 kernel/relay.c     | 2 +-
 kernel/smp.c       | 2 +-
 kernel/softirq.c   | 2 +-
 kernel/timer.c     | 7 +++++--
 kernel/workqueue.c | 9 +++++----
 7 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index b1c9857f840..fdd8ae609ce 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -659,7 +659,7 @@ static int padata_cpu_callback(struct notifier_block *nfb,
 		err = __padata_add_cpu(pinst, cpu);
 		mutex_unlock(&pinst->lock);
 		if (err)
-			return NOTIFY_BAD;
+			return notifier_from_errno(err);
 		break;
 
 	case CPU_DOWN_PREPARE:
@@ -670,7 +670,7 @@ static int padata_cpu_callback(struct notifier_block *nfb,
 		err = __padata_remove_cpu(pinst, cpu);
 		mutex_unlock(&pinst->lock);
 		if (err)
-			return NOTIFY_BAD;
+			return notifier_from_errno(err);
 		break;
 
 	case CPU_UP_CANCELED:
diff --git a/kernel/profile.c b/kernel/profile.c
index dfadc5b729f..1e6a0d94ea6 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -372,7 +372,7 @@ static int __cpuinit profile_cpu_callback(struct notifier_block *info,
 					GFP_KERNEL | __GFP_ZERO,
 					0);
 			if (!page)
-				return NOTIFY_BAD;
+				return notifier_from_errno(-ENOMEM);
 			per_cpu(cpu_profile_hits, cpu)[1] = page_address(page);
 		}
 		if (!per_cpu(cpu_profile_hits, cpu)[0]) {
@@ -388,7 +388,7 @@ out_free:
 		page = virt_to_page(per_cpu(cpu_profile_hits, cpu)[1]);
 		per_cpu(cpu_profile_hits, cpu)[1] = NULL;
 		__free_page(page);
-		return NOTIFY_BAD;
+		return notifier_from_errno(-ENOMEM);
 	case CPU_ONLINE:
 	case CPU_ONLINE_FROZEN:
 		if (prof_cpu_mask != NULL)
diff --git a/kernel/relay.c b/kernel/relay.c
index 4268287148c..c7cf397fb92 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -539,7 +539,7 @@ static int __cpuinit relay_hotcpu_callback(struct notifier_block *nb,
 					"relay_hotcpu_callback: cpu %d buffer "
 					"creation failed\n", hotcpu);
 				mutex_unlock(&relay_channels_mutex);
-				return NOTIFY_BAD;
+				return notifier_from_errno(-ENOMEM);
 			}
 		}
 		mutex_unlock(&relay_channels_mutex);
diff --git a/kernel/smp.c b/kernel/smp.c
index 3fc69733618..75c970c715d 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -52,7 +52,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
 	case CPU_UP_PREPARE_FROZEN:
 		if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL,
 				cpu_to_node(cpu)))
-			return NOTIFY_BAD;
+			return notifier_from_errno(-ENOMEM);
 		break;
 
 #ifdef CONFIG_HOTPLUG_CPU
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 0db913a5c60..825e1126008 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -808,7 +808,7 @@ static int __cpuinit cpu_callback(struct notifier_block *nfb,
 		p = kthread_create(run_ksoftirqd, hcpu, "ksoftirqd/%d", hotcpu);
 		if (IS_ERR(p)) {
 			printk("ksoftirqd for %i failed\n", hotcpu);
-			return NOTIFY_BAD;
+			return notifier_from_errno(PTR_ERR(p));
 		}
 		kthread_bind(p, hotcpu);
   		per_cpu(ksoftirqd, hotcpu) = p;
diff --git a/kernel/timer.c b/kernel/timer.c
index be394af5bc2..e3b8c697bde 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1680,11 +1680,14 @@ static int __cpuinit timer_cpu_notify(struct notifier_block *self,
 				unsigned long action, void *hcpu)
 {
 	long cpu = (long)hcpu;
+	int err;
+
 	switch(action) {
 	case CPU_UP_PREPARE:
 	case CPU_UP_PREPARE_FROZEN:
-		if (init_timers_cpu(cpu) < 0)
-			return NOTIFY_BAD;
+		err = init_timers_cpu(cpu);
+		if (err < 0)
+			return notifier_from_errno(err);
 		break;
 #ifdef CONFIG_HOTPLUG_CPU
 	case CPU_DEAD:
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 77dabbf64b8..327d2deb445 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1110,7 +1110,7 @@ static int __devinit workqueue_cpu_callback(struct notifier_block *nfb,
 	unsigned int cpu = (unsigned long)hcpu;
 	struct cpu_workqueue_struct *cwq;
 	struct workqueue_struct *wq;
-	int ret = NOTIFY_OK;
+	int err = 0;
 
 	action &= ~CPU_TASKS_FROZEN;
 
@@ -1124,12 +1124,13 @@ undo:
 
 		switch (action) {
 		case CPU_UP_PREPARE:
-			if (!create_workqueue_thread(cwq, cpu))
+			err = create_workqueue_thread(cwq, cpu);
+			if (!err)
 				break;
 			printk(KERN_ERR "workqueue [%s] for %i failed\n",
 				wq->name, cpu);
 			action = CPU_UP_CANCELED;
-			ret = NOTIFY_BAD;
+			err = -ENOMEM;
 			goto undo;
 
 		case CPU_ONLINE:
@@ -1150,7 +1151,7 @@ undo:
 		cpumask_clear_cpu(cpu, cpu_populated_map);
 	}
 
-	return ret;
+	return notifier_from_errno(err);
 }
 
 #ifdef CONFIG_SMP

From eac4068013a067f5fb63005033c13b27fbf6dfca Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:32 -0700
Subject: [PATCH 3376/3638] slab: convert cpu notifier to return encapsulate
 errno value

By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for slab.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/slab.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slab.c b/mm/slab.c
index 8270ba3d198..6437d89a840 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1321,7 +1321,7 @@ static int __cpuinit cpuup_callback(struct notifier_block *nfb,
 		mutex_unlock(&cache_chain_mutex);
 		break;
 	}
-	return err ? NOTIFY_BAD : NOTIFY_OK;
+	return notifier_from_errno(err);
 }
 
 static struct notifier_block __cpuinitdata cpucache_notifier = {

From 92e99a98bb44ccce6c902ea077b49cafcfb80025 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:33 -0700
Subject: [PATCH 3377/3638] iucv: convert cpu notifier to return encapsulate
 errno value

By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for iucv.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 net/iucv/iucv.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index fd8b28361a6..f28ad2cc842 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -632,13 +632,14 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self,
 		iucv_irq_data[cpu] = kmalloc_node(sizeof(struct iucv_irq_data),
 					GFP_KERNEL|GFP_DMA, cpu_to_node(cpu));
 		if (!iucv_irq_data[cpu])
-			return NOTIFY_BAD;
+			return notifier_from_errno(-ENOMEM);
+
 		iucv_param[cpu] = kmalloc_node(sizeof(union iucv_param),
 				     GFP_KERNEL|GFP_DMA, cpu_to_node(cpu));
 		if (!iucv_param[cpu]) {
 			kfree(iucv_irq_data[cpu]);
 			iucv_irq_data[cpu] = NULL;
-			return NOTIFY_BAD;
+			return notifier_from_errno(-ENOMEM);
 		}
 		iucv_param_irq[cpu] = kmalloc_node(sizeof(union iucv_param),
 					GFP_KERNEL|GFP_DMA, cpu_to_node(cpu));
@@ -647,7 +648,7 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self,
 			iucv_param[cpu] = NULL;
 			kfree(iucv_irq_data[cpu]);
 			iucv_irq_data[cpu] = NULL;
-			return NOTIFY_BAD;
+			return notifier_from_errno(-ENOMEM);
 		}
 		break;
 	case CPU_UP_CANCELED:
@@ -677,7 +678,7 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self,
 		cpu_clear(cpu, cpumask);
 		if (cpus_empty(cpumask))
 			/* Can't offline last IUCV enabled cpu. */
-			return NOTIFY_BAD;
+			return notifier_from_errno(-EINVAL);
 		smp_call_function_single(cpu, iucv_retrieve_cpu, NULL, 1);
 		if (cpus_empty(iucv_irq_cpumask))
 			smp_call_function_single(first_cpu(iucv_buffer_cpumask),

From 1dee31f74fed47565ed62023fc65fcb7d6c5d648 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:34 -0700
Subject: [PATCH 3378/3638] ehca: convert cpu notifier to return encapsulate
 errno value

By the previous modification, the cpu notifier can return encapsulate
errno value. This converts the cpu notifiers for ehca.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Cc: Christoph Raisch <raisch@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/infiniband/hw/ehca/ehca_irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 07cae552caf..e571e60ecb8 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -847,7 +847,7 @@ static int __cpuinit comp_pool_callback(struct notifier_block *nfb,
 		ehca_gen_dbg("CPU: %x (CPU_PREPARE)", cpu);
 		if (!create_comp_task(pool, cpu)) {
 			ehca_gen_err("Can't create comp_task for cpu: %x", cpu);
-			return NOTIFY_BAD;
+			return notifier_from_errno(-ENOMEM);
 		}
 		break;
 	case CPU_UP_CANCELED:

From d882ba699dbdd2156891290c31c22dc13d6530e4 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:34 -0700
Subject: [PATCH 3379/3638] s390: convert cpu notifier to return encapsulate
 errno value

By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for s390.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/s390/kernel/smp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index e4d98de83dd..541053ed234 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -944,21 +944,21 @@ static int __cpuinit smp_cpu_notify(struct notifier_block *self,
 	struct cpu *c = &per_cpu(cpu_devices, cpu);
 	struct sys_device *s = &c->sysdev;
 	struct s390_idle_data *idle;
+	int err = 0;
 
 	switch (action) {
 	case CPU_ONLINE:
 	case CPU_ONLINE_FROZEN:
 		idle = &per_cpu(s390_idle, cpu);
 		memset(idle, 0, sizeof(struct s390_idle_data));
-		if (sysfs_create_group(&s->kobj, &cpu_online_attr_group))
-			return NOTIFY_BAD;
+		err = sysfs_create_group(&s->kobj, &cpu_online_attr_group);
 		break;
 	case CPU_DEAD:
 	case CPU_DEAD_FROZEN:
 		sysfs_remove_group(&s->kobj, &cpu_online_attr_group);
 		break;
 	}
-	return NOTIFY_OK;
+	return notifier_from_errno(err);
 }
 
 static struct notifier_block __cpuinitdata smp_cpu_nb = {

From 55af6bb509d3ef2696faddd4a734bf024794b337 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:35 -0700
Subject: [PATCH 3380/3638] md: convert cpu notifier to return encapsulate
 errno value

By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for raid5.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/md/raid5.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 9ea17d6c799..d2c0f94fa37 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4645,7 +4645,7 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action,
 			kfree(percpu->scribble);
 			pr_err("%s: failed memory allocation for cpu%ld\n",
 			       __func__, cpu);
-			return NOTIFY_BAD;
+			return notifier_from_errno(-ENOMEM);
 		}
 		break;
 	case CPU_DEAD:

From c9d221f86e43d9fb16260fe18a8cd6767f36c8a5 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 May 2010 14:43:36 -0700
Subject: [PATCH 3381/3638] fault-injection: add CPU notifier error injection
 module

I used this module to test the series of modification to the cpu notifiers
code.

Example1: inject CPU offline error (-1 == -EPERM)

	# modprobe cpu-notifier-error-inject cpu_down_prepare_error=-1
	# echo 0 > /sys/devices/system/cpu/cpu1/online
	bash: echo: write error: Operation not permitted

Example2: inject CPU online error (-2 == -ENOENT)

	# modprobe cpu-notifier-error-inject cpu_up_prepare_error=-2
	# echo 1 > /sys/devices/system/cpu/cpu1/online
	bash: echo: write error: No such file or directory

[akpm@linux-foundation.org: fix Kconfig help text]
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/Kconfig.debug               | 12 +++++++
 lib/Makefile                    |  1 +
 lib/cpu-notifier-error-inject.c | 63 +++++++++++++++++++++++++++++++++
 3 files changed, 76 insertions(+)
 create mode 100644 lib/cpu-notifier-error-inject.c

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 23120894836..e722e9d6222 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -898,6 +898,18 @@ config LKDTM
 	Documentation on how to use the module can be found in
 	Documentation/fault-injection/provoke-crashes.txt
 
+config CPU_NOTIFIER_ERROR_INJECT
+	tristate "CPU notifier error injection module"
+	depends on HOTPLUG_CPU && DEBUG_KERNEL
+	help
+	  This option provides a kernel module that can be used to test
+	  the error handling of the cpu notifiers
+
+	  To compile this code as a module, choose M here: the module will
+	  be called cpu-notifier-error-inject.
+
+	  If unsure, say N.
+
 config FAULT_INJECTION
 	bool "Fault-injection framework"
 	depends on DEBUG_KERNEL
diff --git a/lib/Makefile b/lib/Makefile
index 9e6d3c29d73..c8567a59d31 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -85,6 +85,7 @@ obj-$(CONFIG_AUDIT_GENERIC) += audit.o
 obj-$(CONFIG_SWIOTLB) += swiotlb.o
 obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
 obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
+obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o
 
 lib-$(CONFIG_GENERIC_BUG) += bug.o
 
diff --git a/lib/cpu-notifier-error-inject.c b/lib/cpu-notifier-error-inject.c
new file mode 100644
index 00000000000..4dc20321b0d
--- /dev/null
+++ b/lib/cpu-notifier-error-inject.c
@@ -0,0 +1,63 @@
+#include <linux/kernel.h>
+#include <linux/cpu.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+
+static int priority;
+static int cpu_up_prepare_error;
+static int cpu_down_prepare_error;
+
+module_param(priority, int, 0);
+MODULE_PARM_DESC(priority, "specify cpu notifier priority");
+
+module_param(cpu_up_prepare_error, int, 0644);
+MODULE_PARM_DESC(cpu_up_prepare_error,
+		"specify error code to inject CPU_UP_PREPARE action");
+
+module_param(cpu_down_prepare_error, int, 0644);
+MODULE_PARM_DESC(cpu_down_prepare_error,
+		"specify error code to inject CPU_DOWN_PREPARE action");
+
+static int err_inject_cpu_callback(struct notifier_block *nfb,
+				unsigned long action, void *hcpu)
+{
+	int err = 0;
+
+	switch (action) {
+	case CPU_UP_PREPARE:
+	case CPU_UP_PREPARE_FROZEN:
+		err = cpu_up_prepare_error;
+		break;
+	case CPU_DOWN_PREPARE:
+	case CPU_DOWN_PREPARE_FROZEN:
+		err = cpu_down_prepare_error;
+		break;
+	}
+	if (err)
+		printk(KERN_INFO "Injecting error (%d) at cpu notifier\n", err);
+
+	return notifier_from_errno(err);
+}
+
+static struct notifier_block err_inject_cpu_notifier = {
+	.notifier_call = err_inject_cpu_callback,
+};
+
+static int err_inject_init(void)
+{
+	err_inject_cpu_notifier.priority = priority;
+
+	return register_hotcpu_notifier(&err_inject_cpu_notifier);
+}
+
+static void err_inject_exit(void)
+{
+	unregister_hotcpu_notifier(&err_inject_cpu_notifier);
+}
+
+module_init(err_inject_init);
+module_exit(err_inject_exit);
+
+MODULE_DESCRIPTION("CPU notifier error injection module");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");

From 79a6cdeb7eb54e3d2d4bb9fc5f0231b057882a87 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Wed, 26 May 2010 14:43:36 -0700
Subject: [PATCH 3382/3638] cpuhotplug: do not need cpu_hotplug_begin() when
 CONFIG_HOTPLUG_CPU=n

Since when CONFIG_HOTPLUG_CPU=n, get_online_cpus() do nothing, so we don't
need cpu_hotplug_begin() either.

This patch moves cpu_hotplug_begin()/cpu_hotplug_done() into the code
block of CONFIG_HOTPLUG_CPU=y.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cpu.c | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 0690ac27a25..63e8de13c94 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -20,6 +20,20 @@
 /* Serializes the updates to cpu_online_mask, cpu_present_mask */
 static DEFINE_MUTEX(cpu_add_remove_lock);
 
+/*
+ * The following two API's must be used when attempting
+ * to serialize the updates to cpu_online_mask, cpu_present_mask.
+ */
+void cpu_maps_update_begin(void)
+{
+	mutex_lock(&cpu_add_remove_lock);
+}
+
+void cpu_maps_update_done(void)
+{
+	mutex_unlock(&cpu_add_remove_lock);
+}
+
 static __cpuinitdata RAW_NOTIFIER_HEAD(cpu_chain);
 
 /* If set, cpu_up and cpu_down will return -EBUSY and do nothing.
@@ -27,6 +41,8 @@ static __cpuinitdata RAW_NOTIFIER_HEAD(cpu_chain);
  */
 static int cpu_hotplug_disabled;
 
+#ifdef CONFIG_HOTPLUG_CPU
+
 static struct {
 	struct task_struct *active_writer;
 	struct mutex lock; /* Synchronizes accesses to refcount, */
@@ -41,8 +57,6 @@ static struct {
 	.refcount = 0,
 };
 
-#ifdef CONFIG_HOTPLUG_CPU
-
 void get_online_cpus(void)
 {
 	might_sleep();
@@ -67,22 +81,6 @@ void put_online_cpus(void)
 }
 EXPORT_SYMBOL_GPL(put_online_cpus);
 
-#endif	/* CONFIG_HOTPLUG_CPU */
-
-/*
- * The following two API's must be used when attempting
- * to serialize the updates to cpu_online_mask, cpu_present_mask.
- */
-void cpu_maps_update_begin(void)
-{
-	mutex_lock(&cpu_add_remove_lock);
-}
-
-void cpu_maps_update_done(void)
-{
-	mutex_unlock(&cpu_add_remove_lock);
-}
-
 /*
  * This ensures that the hotplug operation can begin only when the
  * refcount goes to zero.
@@ -124,6 +122,12 @@ static void cpu_hotplug_done(void)
 	cpu_hotplug.active_writer = NULL;
 	mutex_unlock(&cpu_hotplug.lock);
 }
+
+#else /* #if CONFIG_HOTPLUG_CPU */
+static void cpu_hotplug_begin(void) {}
+static void cpu_hotplug_done(void) {}
+#endif	/* #esle #if CONFIG_HOTPLUG_CPU */
+
 /* Need to know about CPUs going up/down? */
 int __ref register_cpu_notifier(struct notifier_block *nb)
 {

From 2dcb22b346be7b7b7e630a8970d69cf3f1111ec1 Mon Sep 17 00:00:00 2001
From: Imre Deak <imre.deak@nokia.com>
Date: Wed, 26 May 2010 14:43:38 -0700
Subject: [PATCH 3383/3638] idr: fix backtrack logic in idr_remove_all

Currently idr_remove_all will fail with a use after free error if
idr::layers is bigger than 2, which on 32 bit systems corresponds to items
more than 1024.  This is due to stepping back too many levels during
backtracking.  For simplicity let's assume that IDR_BITS=1 -> we have 2
nodes at each level below the root node and each leaf node stores two IDs.
 (In reality for 32 bit systems IDR_BITS=5, with 32 nodes at each sub-root
level and 32 IDs in each leaf node).  The sequence of freeing the nodes at
the moment is as follows:

layer
1 ->                       a(7)
2 ->            b(3)                  c(5)
3 ->        d(1)   e(2)           f(4)    g(6)

Until step 4 things go fine, but then node c is freed, whereas node g
should be freed first.  Since node c contains the pointer to node g we'll
have a use after free error at step 6.

How many levels we step back after visiting the leaf nodes is currently
determined by the msb of the id we are currently visiting:

Step
1.          node d with IDs 0,1 is freed, current ID is advanced to 2.
            msb of the current ID bit 1. This means we need to step back
            1 level to node b and take the next sibling, node e.
2-3.        node e with IDs 2,3 is freed, current ID is 4, msb is bit 2.
            This means we need to step back 2 levels to node a, freeing
            node b on the way.
4-5.        node f with IDs 4,5 is freed, current ID is 6, msb is still
            bit 2. This means we again need to step back 2 levels to node
            a and free c on the way.
6.          We should visit node g, but its pointer is not available as
            node c was freed.

The fix changes how we determine the number of levels to step back.
Instead of deducting this merely from the msb of the current ID, we should
really check if advancing the ID causes an overflow to a bit position
corresponding to a given layer.  In the above example overflow from bit 0
to bit 1 should mean stepping back 1 level.  Overflow from bit 1 to bit 2
should mean stepping back 2 levels and so on.

The fix was tested with IDs up to 1 << 20, which corresponds to 4 layers
on 32 bit systems.

Signed-off-by: Imre Deak <imre.deak@nokia.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
Cc: Eric Paris <eparis@redhat.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: <stable@kernel.org>		[2.6.34.1]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/idr.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/idr.c b/lib/idr.c
index 422a9d5069c..c1a20690176 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -445,6 +445,7 @@ EXPORT_SYMBOL(idr_remove);
 void idr_remove_all(struct idr *idp)
 {
 	int n, id, max;
+	int bt_mask;
 	struct idr_layer *p;
 	struct idr_layer *pa[MAX_LEVEL];
 	struct idr_layer **paa = &pa[0];
@@ -462,8 +463,10 @@ void idr_remove_all(struct idr *idp)
 			p = p->ary[(id >> n) & IDR_MASK];
 		}
 
+		bt_mask = id;
 		id += 1 << n;
-		while (n < fls(id)) {
+		/* Get the highest bit that the above add changed from 0->1. */
+		while (n < fls(id ^ bt_mask)) {
 			if (p)
 				free_layer(p);
 			n += IDR_BITS;

From fd5db42254518fbf241dc454e918598fbe494fa2 Mon Sep 17 00:00:00 2001
From: Manfred Spraul <manfred@colorfullife.com>
Date: Wed, 26 May 2010 14:43:40 -0700
Subject: [PATCH 3384/3638] ipc/sem.c: optimize update_queue() for bulk wakeup
 calls

The following series of patches tries to fix the spinlock contention
reported by Chris Mason - his benchmark exposes problems of the current
code:

- In the worst case, the algorithm used by update_queue() is O(N^2).
  Bulk wake-up calls can enter this worst case.  The patch series fix
  that.

  Note that the benchmark app doesn't expose the problem, it just should
  be fixed: Real world apps might do the wake-ups in another order than
  perfect FIFO.

- The part of the code that runs within the semaphore array spinlock is
  significantly larger than necessary.

  The patch series fixes that.  This change is responsible for the main
  improvement.

- The cacheline with the spinlock is also used for a variable that is
  read in the hot path (sem_base) and for a variable that is unnecessarily
  written to multiple times (sem_otime).  The last step of the series
  cacheline-aligns the spinlock.

This patch:

The SysV semaphore code allows to perform multiple operations on all
semaphores in the array as atomic operations.  After a modification,
update_queue() checks which of the waiting tasks can complete.

The algorithm that is used to identify the tasks is O(N^2) in the worst
case.  For some cases, it is simple to avoid the O(N^2).

The patch adds a detection logic for some cases, especially for the case
of an array where all sleeping tasks are single sembuf operations and a
multi-sembuf operation is used to wake up multiple tasks.

A big database application uses that approach.

The patch fixes wakeup due to semctl(,,SETALL,) - the initial version of
the patch breaks that.

[akpm@linux-foundation.org: make do_smart_update() static]
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 ipc/sem.c | 110 +++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 97 insertions(+), 13 deletions(-)

diff --git a/ipc/sem.c b/ipc/sem.c
index dbef95b1594..81a9c74ab64 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -434,6 +434,69 @@ static void unlink_queue(struct sem_array *sma, struct sem_queue *q)
 		sma->complex_count--;
 }
 
+/** check_restart(sma, q)
+ * @sma: semaphore array
+ * @q: the operation that just completed
+ *
+ * update_queue is O(N^2) when it restarts scanning the whole queue of
+ * waiting operations. Therefore this function checks if the restart is
+ * really necessary. It is called after a previously waiting operation
+ * was completed.
+ */
+static int check_restart(struct sem_array *sma, struct sem_queue *q)
+{
+	struct sem *curr;
+	struct sem_queue *h;
+
+	/* if the operation didn't modify the array, then no restart */
+	if (q->alter == 0)
+		return 0;
+
+	/* pending complex operations are too difficult to analyse */
+	if (sma->complex_count)
+		return 1;
+
+	/* we were a sleeping complex operation. Too difficult */
+	if (q->nsops > 1)
+		return 1;
+
+	curr = sma->sem_base + q->sops[0].sem_num;
+
+	/* No-one waits on this queue */
+	if (list_empty(&curr->sem_pending))
+		return 0;
+
+	/* the new semaphore value */
+	if (curr->semval) {
+		/* It is impossible that someone waits for the new value:
+		 * - q is a previously sleeping simple operation that
+		 *   altered the array. It must be a decrement, because
+		 *   simple increments never sleep.
+		 * - The value is not 0, thus wait-for-zero won't proceed.
+		 * - If there are older (higher priority) decrements
+		 *   in the queue, then they have observed the original
+		 *   semval value and couldn't proceed. The operation
+		 *   decremented to value - thus they won't proceed either.
+		 */
+		BUG_ON(q->sops[0].sem_op >= 0);
+		return 0;
+	}
+	/*
+	 * semval is 0. Check if there are wait-for-zero semops.
+	 * They must be the first entries in the per-semaphore simple queue
+	 */
+	h = list_first_entry(&curr->sem_pending, struct sem_queue, simple_list);
+	BUG_ON(h->nsops != 1);
+	BUG_ON(h->sops[0].sem_num != q->sops[0].sem_num);
+
+	/* Yes, there is a wait-for-zero semop. Restart */
+	if (h->sops[0].sem_op == 0)
+		return 1;
+
+	/* Again - no-one is waiting for the new value. */
+	return 0;
+}
+
 
 /**
  * update_queue(sma, semnum): Look for tasks that can be completed.
@@ -469,7 +532,7 @@ static void update_queue(struct sem_array *sma, int semnum)
 again:
 	walk = pending_list->next;
 	while (walk != pending_list) {
-		int error, alter;
+		int error, restart;
 
 		q = (struct sem_queue *)((char *)walk - offset);
 		walk = walk->next;
@@ -494,22 +557,43 @@ again:
 
 		unlink_queue(sma, q);
 
-		/*
-		 * The next operation that must be checked depends on the type
-		 * of the completed operation:
-		 * - if the operation modified the array, then restart from the
-		 *   head of the queue and check for threads that might be
-		 *   waiting for the new semaphore values.
-		 * - if the operation didn't modify the array, then just
-		 *   continue.
-		 */
-		alter = q->alter;
+		if (error)
+			restart = 0;
+		else
+			restart = check_restart(sma, q);
+
 		wake_up_sem_queue(q, error);
-		if (alter && !error)
+		if (restart)
 			goto again;
 	}
 }
 
+/** do_smart_update(sma, sops, nsops): Optimized update_queue
+ * @sma: semaphore array
+ * @sops: operations that were performed
+ * @nsops: number of operations
+ *
+ * do_smart_update() does the required called to update_queue, based on the
+ * actual changes that were performed on the semaphore array.
+ */
+static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsops)
+{
+	int i;
+
+	if (sma->complex_count || sops == NULL) {
+		update_queue(sma, -1);
+		return;
+	}
+
+	for (i = 0; i < nsops; i++) {
+		if (sops[i].sem_op > 0 ||
+			(sops[i].sem_op < 0 &&
+				sma->sem_base[sops[i].sem_num].semval == 0))
+			update_queue(sma, sops[i].sem_num);
+	}
+}
+
+
 /* The following counts are associated to each semaphore:
  *   semncnt        number of tasks waiting on semval being nonzero
  *   semzcnt        number of tasks waiting on semval being zero
@@ -1225,7 +1309,7 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
 	error = try_atomic_semop (sma, sops, nsops, un, task_tgid_vnr(current));
 	if (error <= 0) {
 		if (alter && error == 0)
-			update_queue(sma, (nsops == 1) ? sops[0].sem_num : -1);
+			do_smart_update(sma, sops, nsops);
 
 		goto out_unlock_free;
 	}

From 0a2b9d4c79671b05956806ede5d054e03ae56280 Mon Sep 17 00:00:00 2001
From: Manfred Spraul <manfred@colorfullife.com>
Date: Wed, 26 May 2010 14:43:41 -0700
Subject: [PATCH 3385/3638] ipc/sem.c: move wake_up_process out of the spinlock
 section

The wake-up part of semtimedop() consists out of two steps:

- the right tasks must be identified.
- they must be woken up.

Right now, both steps run while the array spinlock is held.  This patch
reorders the code and moves the actual wake_up_process() behind the point
where the spinlock is dropped.

The code also moves setting sem->sem_otime to one place: It does not make
sense to set the last modify time multiple times.

[akpm@linux-foundation.org: repair kerneldoc]
[akpm@linux-foundation.org: fix uninitialised retval]
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 ipc/sem.c | 123 ++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 91 insertions(+), 32 deletions(-)

diff --git a/ipc/sem.c b/ipc/sem.c
index 81a9c74ab64..a744eb579f0 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -381,7 +381,6 @@ static int try_atomic_semop (struct sem_array * sma, struct sembuf * sops,
 		sop--;
 	}
 	
-	sma->sem_otime = get_seconds();
 	return 0;
 
 out_of_range:
@@ -404,25 +403,51 @@ undo:
 	return result;
 }
 
-/*
- * Wake up a process waiting on the sem queue with a given error.
- * The queue is invalid (may not be accessed) after the function returns.
+/** wake_up_sem_queue_prepare(q, error): Prepare wake-up
+ * @q: queue entry that must be signaled
+ * @error: Error value for the signal
+ *
+ * Prepare the wake-up of the queue entry q.
  */
-static void wake_up_sem_queue(struct sem_queue *q, int error)
+static void wake_up_sem_queue_prepare(struct list_head *pt,
+				struct sem_queue *q, int error)
 {
-	/*
-	 * Hold preempt off so that we don't get preempted and have the
-	 * wakee busy-wait until we're scheduled back on. We're holding
-	 * locks here so it may not strictly be needed, however if the
-	 * locks become preemptible then this prevents such a problem.
-	 */
-	preempt_disable();
+	if (list_empty(pt)) {
+		/*
+		 * Hold preempt off so that we don't get preempted and have the
+		 * wakee busy-wait until we're scheduled back on.
+		 */
+		preempt_disable();
+	}
 	q->status = IN_WAKEUP;
-	wake_up_process(q->sleeper);
-	/* hands-off: q can disappear immediately after writing q->status. */
-	smp_wmb();
-	q->status = error;
-	preempt_enable();
+	q->pid = error;
+
+	list_add_tail(&q->simple_list, pt);
+}
+
+/**
+ * wake_up_sem_queue_do(pt) - do the actual wake-up
+ * @pt: list of tasks to be woken up
+ *
+ * Do the actual wake-up.
+ * The function is called without any locks held, thus the semaphore array
+ * could be destroyed already and the tasks can disappear as soon as the
+ * status is set to the actual return code.
+ */
+static void wake_up_sem_queue_do(struct list_head *pt)
+{
+	struct sem_queue *q, *t;
+	int did_something;
+
+	did_something = !list_empty(pt);
+	list_for_each_entry_safe(q, t, pt, simple_list) {
+		wake_up_process(q->sleeper);
+		/* q can disappear immediately after writing q->status. */
+		smp_wmb();
+		q->status = q->pid;
+	}
+	if (did_something)
+		preempt_enable();
 }
 
 static void unlink_queue(struct sem_array *sma, struct sem_queue *q)
@@ -502,17 +527,22 @@ static int check_restart(struct sem_array *sma, struct sem_queue *q)
  * update_queue(sma, semnum): Look for tasks that can be completed.
  * @sma: semaphore array.
  * @semnum: semaphore that was modified.
+ * @pt: list head for the tasks that must be woken up.
  *
  * update_queue must be called after a semaphore in a semaphore array
  * was modified. If multiple semaphore were modified, then @semnum
  * must be set to -1.
+ * The tasks that must be woken up are added to @pt. The return code
+ * is stored in q->pid.
+ * The function return 1 if at least one semop was completed successfully.
  */
-static void update_queue(struct sem_array *sma, int semnum)
+static int update_queue(struct sem_array *sma, int semnum, struct list_head *pt)
 {
 	struct sem_queue *q;
 	struct list_head *walk;
 	struct list_head *pending_list;
 	int offset;
+	int semop_completed = 0;
 
 	/* if there are complex operations around, then knowing the semaphore
 	 * that was modified doesn't help us. Assume that multiple semaphores
@@ -557,40 +587,55 @@ again:
 
 		unlink_queue(sma, q);
 
-		if (error)
+		if (error) {
 			restart = 0;
-		else
+		} else {
+			semop_completed = 1;
 			restart = check_restart(sma, q);
+		}
 
-		wake_up_sem_queue(q, error);
+		wake_up_sem_queue_prepare(pt, q, error);
 		if (restart)
 			goto again;
 	}
+	return semop_completed;
 }
 
-/** do_smart_update(sma, sops, nsops): Optimized update_queue
+/**
+ * do_smart_update(sma, sops, nsops, otime, pt) - optimized update_queue
  * @sma: semaphore array
  * @sops: operations that were performed
  * @nsops: number of operations
+ * @otime: force setting otime
+ * @pt: list head of the tasks that must be woken up.
  *
  * do_smart_update() does the required called to update_queue, based on the
  * actual changes that were performed on the semaphore array.
+ * Note that the function does not do the actual wake-up: the caller is
+ * responsible for calling wake_up_sem_queue_do(@pt).
+ * It is safe to perform this call after dropping all locks.
  */
-static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsops)
+static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsops,
+			int otime, struct list_head *pt)
 {
 	int i;
 
 	if (sma->complex_count || sops == NULL) {
-		update_queue(sma, -1);
-		return;
+		if (update_queue(sma, -1, pt))
+			otime = 1;
+		goto done;
 	}
 
 	for (i = 0; i < nsops; i++) {
 		if (sops[i].sem_op > 0 ||
 			(sops[i].sem_op < 0 &&
 				sma->sem_base[sops[i].sem_num].semval == 0))
-			update_queue(sma, sops[i].sem_num);
+			if (update_queue(sma, sops[i].sem_num, pt))
+				otime = 1;
 	}
+done:
+	if (otime)
+		sma->sem_otime = get_seconds();
 }
 
 
@@ -656,6 +701,7 @@ static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
 	struct sem_undo *un, *tu;
 	struct sem_queue *q, *tq;
 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);
+	struct list_head tasks;
 
 	/* Free the existing undo structures for this semaphore set.  */
 	assert_spin_locked(&sma->sem_perm.lock);
@@ -669,15 +715,17 @@ static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
 	}
 
 	/* Wake up all pending processes and let them fail with EIDRM. */
+	INIT_LIST_HEAD(&tasks);
 	list_for_each_entry_safe(q, tq, &sma->sem_pending, list) {
 		unlink_queue(sma, q);
-		wake_up_sem_queue(q, -EIDRM);
+		wake_up_sem_queue_prepare(&tasks, q, -EIDRM);
 	}
 
 	/* Remove the semaphore set from the IDR */
 	sem_rmid(ns, sma);
 	sem_unlock(sma);
 
+	wake_up_sem_queue_do(&tasks);
 	ns->used_sems -= sma->sem_nsems;
 	security_sem_free(sma);
 	ipc_rcu_putref(sma);
@@ -799,11 +847,13 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
 	ushort fast_sem_io[SEMMSL_FAST];
 	ushort* sem_io = fast_sem_io;
 	int nsems;
+	struct list_head tasks;
 
 	sma = sem_lock_check(ns, semid);
 	if (IS_ERR(sma))
 		return PTR_ERR(sma);
 
+	INIT_LIST_HEAD(&tasks);
 	nsems = sma->sem_nsems;
 
 	err = -EACCES;
@@ -891,7 +941,7 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
 		}
 		sma->sem_ctime = get_seconds();
 		/* maybe some queued-up processes were waiting for this */
-		update_queue(sma, -1);
+		do_smart_update(sma, NULL, 0, 0, &tasks);
 		err = 0;
 		goto out_unlock;
 	}
@@ -933,13 +983,15 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
 		curr->sempid = task_tgid_vnr(current);
 		sma->sem_ctime = get_seconds();
 		/* maybe some queued-up processes were waiting for this */
-		update_queue(sma, semnum);
+		do_smart_update(sma, NULL, 0, 0, &tasks);
 		err = 0;
 		goto out_unlock;
 	}
 	}
 out_unlock:
 	sem_unlock(sma);
+	wake_up_sem_queue_do(&tasks);
+
 out_free:
 	if(sem_io != fast_sem_io)
 		ipc_free(sem_io, sizeof(ushort)*nsems);
@@ -1213,6 +1265,7 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
 	struct sem_queue queue;
 	unsigned long jiffies_left = 0;
 	struct ipc_namespace *ns;
+	struct list_head tasks;
 
 	ns = current->nsproxy->ipc_ns;
 
@@ -1261,6 +1314,8 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
 	} else
 		un = NULL;
 
+	INIT_LIST_HEAD(&tasks);
+
 	sma = sem_lock_check(ns, semid);
 	if (IS_ERR(sma)) {
 		if (un)
@@ -1309,7 +1364,7 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
 	error = try_atomic_semop (sma, sops, nsops, un, task_tgid_vnr(current));
 	if (error <= 0) {
 		if (alter && error == 0)
-			do_smart_update(sma, sops, nsops);
+			do_smart_update(sma, sops, nsops, 1, &tasks);
 
 		goto out_unlock_free;
 	}
@@ -1386,6 +1441,8 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
 
 out_unlock_free:
 	sem_unlock(sma);
+
+	wake_up_sem_queue_do(&tasks);
 out_free:
 	if(sops != fast_sops)
 		kfree(sops);
@@ -1446,6 +1503,7 @@ void exit_sem(struct task_struct *tsk)
 	for (;;) {
 		struct sem_array *sma;
 		struct sem_undo *un;
+		struct list_head tasks;
 		int semid;
 		int i;
 
@@ -1509,10 +1567,11 @@ void exit_sem(struct task_struct *tsk)
 				semaphore->sempid = task_tgid_vnr(current);
 			}
 		}
-		sma->sem_otime = get_seconds();
 		/* maybe some queued-up processes were waiting for this */
-		update_queue(sma, -1);
+		INIT_LIST_HEAD(&tasks);
+		do_smart_update(sma, NULL, 0, 1, &tasks);
 		sem_unlock(sma);
+		wake_up_sem_queue_do(&tasks);
 
 		call_rcu(&un->rcu, free_un);
 	}

From 31a7c4746e9925512afab30557dd445d677cc802 Mon Sep 17 00:00:00 2001
From: Manfred Spraul <manfred@colorfullife.com>
Date: Wed, 26 May 2010 14:43:42 -0700
Subject: [PATCH 3386/3638] ipc/sem.c: cacheline align the ipc spinlock for
 semaphores

Cacheline align the spinlock for sysv semaphores.  Without the patch, the
spinlock and sem_otime [written by every semop that modified the array]
and sem_base [read in the hot path of try_atomic_semop()] can be in the
same cacheline.

Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/sem.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/sem.h b/include/linux/sem.h
index 8a4adbef8a0..f2961afa2f6 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -79,6 +79,7 @@ struct  seminfo {
 #ifdef __KERNEL__
 #include <asm/atomic.h>
 #include <linux/rcupdate.h>
+#include <linux/cache.h>
 
 struct task_struct;
 
@@ -91,7 +92,8 @@ struct sem {
 
 /* One sem_array data structure for each set of semaphores in the system. */
 struct sem_array {
-	struct kern_ipc_perm	sem_perm;	/* permissions .. see ipc.h */
+	struct kern_ipc_perm	____cacheline_aligned_in_smp
+				sem_perm;	/* permissions .. see ipc.h */
 	time_t			sem_otime;	/* last semop time */
 	time_t			sem_ctime;	/* last change time */
 	struct sem		*sem_base;	/* ptr to first semaphore in array */

From c5cf6359ad1d322c16e159011247341849cc0d3a Mon Sep 17 00:00:00 2001
From: Manfred Spraul <manfred@colorfullife.com>
Date: Wed, 26 May 2010 14:43:43 -0700
Subject: [PATCH 3387/3638] ipc/sem.c: update description of the implementation

ipc/sem.c begins with a 15 year old description about bugs in the initial
implementation in Linux-1.0.  The patch replaces that with a top level
description of the current code.

A TODO could be derived from this text:

The opengroup man page for semop() does not mandate FIFO.  Thus there is
no need for a semaphore array list of pending operations.

If

- this list is removed
- the per-semaphore array spinlock is removed (possible if there is no
  list to protect)
- sem_otime is moved into the semaphores and calculated on demand during
  semctl()

then the array would be read-mostly - which would significantly improve
scaling for applications that use semaphore arrays with lots of entries.

The price would be expensive semctl() calls:

	for(i=0;i<sma->sem_nsems;i++) spin_lock(sma->sem_lock);
	<do stuff>
	for(i=0;i<sma->sem_nsems;i++) spin_unlock(sma->sem_lock);

I'm not sure if the complexity is worth the effort, thus here is the
documentation of the current behavior first.

Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 ipc/sem.c | 103 ++++++++++++++++++++++++++++--------------------------
 1 file changed, 53 insertions(+), 50 deletions(-)

diff --git a/ipc/sem.c b/ipc/sem.c
index a744eb579f0..5b33228db79 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -3,56 +3,6 @@
  * Copyright (C) 1992 Krishna Balasubramanian
  * Copyright (C) 1995 Eric Schenk, Bruno Haible
  *
- * IMPLEMENTATION NOTES ON CODE REWRITE (Eric Schenk, January 1995):
- * This code underwent a massive rewrite in order to solve some problems
- * with the original code. In particular the original code failed to
- * wake up processes that were waiting for semval to go to 0 if the
- * value went to 0 and was then incremented rapidly enough. In solving
- * this problem I have also modified the implementation so that it
- * processes pending operations in a FIFO manner, thus give a guarantee
- * that processes waiting for a lock on the semaphore won't starve
- * unless another locking process fails to unlock.
- * In addition the following two changes in behavior have been introduced:
- * - The original implementation of semop returned the value
- *   last semaphore element examined on success. This does not
- *   match the manual page specifications, and effectively
- *   allows the user to read the semaphore even if they do not
- *   have read permissions. The implementation now returns 0
- *   on success as stated in the manual page.
- * - There is some confusion over whether the set of undo adjustments
- *   to be performed at exit should be done in an atomic manner.
- *   That is, if we are attempting to decrement the semval should we queue
- *   up and wait until we can do so legally?
- *   The original implementation attempted to do this.
- *   The current implementation does not do so. This is because I don't
- *   think it is the right thing (TM) to do, and because I couldn't
- *   see a clean way to get the old behavior with the new design.
- *   The POSIX standard and SVID should be consulted to determine
- *   what behavior is mandated.
- *
- * Further notes on refinement (Christoph Rohland, December 1998):
- * - The POSIX standard says, that the undo adjustments simply should
- *   redo. So the current implementation is o.K.
- * - The previous code had two flaws:
- *   1) It actively gave the semaphore to the next waiting process
- *      sleeping on the semaphore. Since this process did not have the
- *      cpu this led to many unnecessary context switches and bad
- *      performance. Now we only check which process should be able to
- *      get the semaphore and if this process wants to reduce some
- *      semaphore value we simply wake it up without doing the
- *      operation. So it has to try to get it later. Thus e.g. the
- *      running process may reacquire the semaphore during the current
- *      time slice. If it only waits for zero or increases the semaphore,
- *      we do the operation in advance and wake it up.
- *   2) It did not wake up all zero waiting processes. We try to do
- *      better but only get the semops right which only wait for zero or
- *      increase. If there are decrement operations in the operations
- *      array we do the same as before.
- *
- * With the incarnation of O(1) scheduler, it becomes unnecessary to perform
- * check/retry algorithm for waking up blocked processes as the new scheduler
- * is better at handling thread switch than the old one.
- *
  * /proc/sysvipc/sem support (c) 1999 Dragos Acostachioaie <dragos@iname.com>
  *
  * SMP-threaded, sysctl's added
@@ -61,6 +11,8 @@
  * (c) 2001 Red Hat Inc
  * Lockless wakeup
  * (c) 2003 Manfred Spraul <manfred@colorfullife.com>
+ * Further wakeup optimizations, documentation
+ * (c) 2010 Manfred Spraul <manfred@colorfullife.com>
  *
  * support for audit of ipc object properties and permission changes
  * Dustin Kirkland <dustin.kirkland@us.ibm.com>
@@ -68,6 +20,57 @@
  * namespaces support
  * OpenVZ, SWsoft Inc.
  * Pavel Emelianov <xemul@openvz.org>
+ *
+ * Implementation notes: (May 2010)
+ * This file implements System V semaphores.
+ *
+ * User space visible behavior:
+ * - FIFO ordering for semop() operations (just FIFO, not starvation
+ *   protection)
+ * - multiple semaphore operations that alter the same semaphore in
+ *   one semop() are handled.
+ * - sem_ctime (time of last semctl()) is updated in the IPC_SET, SETVAL and
+ *   SETALL calls.
+ * - two Linux specific semctl() commands: SEM_STAT, SEM_INFO.
+ * - undo adjustments at process exit are limited to 0..SEMVMX.
+ * - namespace are supported.
+ * - SEMMSL, SEMMNS, SEMOPM and SEMMNI can be configured at runtine by writing
+ *   to /proc/sys/kernel/sem.
+ * - statistics about the usage are reported in /proc/sysvipc/sem.
+ *
+ * Internals:
+ * - scalability:
+ *   - all global variables are read-mostly.
+ *   - semop() calls and semctl(RMID) are synchronized by RCU.
+ *   - most operations do write operations (actually: spin_lock calls) to
+ *     the per-semaphore array structure.
+ *   Thus: Perfect SMP scaling between independent semaphore arrays.
+ *         If multiple semaphores in one array are used, then cache line
+ *         trashing on the semaphore array spinlock will limit the scaling.
+ * - semncnt and semzcnt are calculated on demand in count_semncnt() and
+ *   count_semzcnt()
+ * - the task that performs a successful semop() scans the list of all
+ *   sleeping tasks and completes any pending operations that can be fulfilled.
+ *   Semaphores are actively given to waiting tasks (necessary for FIFO).
+ *   (see update_queue())
+ * - To improve the scalability, the actual wake-up calls are performed after
+ *   dropping all locks. (see wake_up_sem_queue_prepare(),
+ *   wake_up_sem_queue_do())
+ * - All work is done by the waker, the woken up task does not have to do
+ *   anything - not even acquiring a lock or dropping a refcount.
+ * - A woken up task may not even touch the semaphore array anymore, it may
+ *   have been destroyed already by a semctl(RMID).
+ * - The synchronizations between wake-ups due to a timeout/signal and a
+ *   wake-up due to a completed semaphore operation is achieved by using an
+ *   intermediate state (IN_WAKEUP).
+ * - UNDO values are stored in an array (one per process and per
+ *   semaphore array, lazily allocated). For backwards compatibility, multiple
+ *   modes for the UNDO variables are supported (per process, per thread)
+ *   (see copy_semundo, CLONE_SYSVSEM)
+ * - There are two lists of the pending operations: a per-array list
+ *   and per-semaphore list (stored in the array). This allows to achieve FIFO
+ *   ordering without always scanning all pending operations.
+ *   The worst-case behavior is nevertheless O(N^2) for N wakeups.
  */
 
 #include <linux/slab.h>

From 4de85cd6d6018825e19f76f1208775f23ecc393f Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:43:44 -0700
Subject: [PATCH 3388/3638] ipc/sem.c: use ERR_CAST

Use ERR_CAST(x) rather than ERR_PTR(PTR_ERR(x)).  The former makes more
clear what is the purpose of the operation, which otherwise looks like a
no-op.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
T x;
identifier f;
@@

T f (...) { <+...
- ERR_PTR(PTR_ERR(x))
+ x
 ...+> }

@@
expression x;
@@

- ERR_PTR(PTR_ERR(x))
+ ERR_CAST(x)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 ipc/sem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipc/sem.c b/ipc/sem.c
index 5b33228db79..506c8491a8d 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1208,7 +1208,7 @@ static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)
 	/* step 1: figure out the size of the semaphore array */
 	sma = sem_lock_check(ns, semid);
 	if (IS_ERR(sma))
-		return ERR_PTR(PTR_ERR(sma));
+		return ERR_CAST(sma);
 
 	nsems = sma->sem_nsems;
 	sem_getref_and_unlock(sma);

From 5fedc4a282f0c6f5be5e4bebc8840f6022153bb3 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 26 May 2010 14:43:45 -0700
Subject: [PATCH 3389/3638] ipmi: change addr_source to an enum rather than
 strings

Switch from a char* to an enum to identify the address source of SIs,
making it easier to handle them appropriately during registration.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 44 ++++++++++++++++++--------------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 47ffe4a90a9..93ab75887fb 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -107,6 +107,14 @@ enum si_type {
 };
 static char *si_to_str[] = { "kcs", "smic", "bt" };
 
+enum ipmi_addr_src {
+	SI_INVALID = 0, SI_HOTMOD, SI_HARDCODED, SI_SPMI, SI_ACPI, SI_SMBIOS,
+	SI_PCI,	SI_DEVICETREE, SI_DEFAULT
+};
+static char *ipmi_addr_src_to_str[] = { NULL, "hotmod", "hardcoded", "SPMI",
+					"ACPI", "SMBIOS", "PCI",
+					"device-tree", "default" };
+
 #define DEVICE_NAME "ipmi_si"
 
 static struct platform_driver ipmi_driver = {
@@ -188,7 +196,7 @@ struct smi_info {
 	int (*irq_setup)(struct smi_info *info);
 	void (*irq_cleanup)(struct smi_info *info);
 	unsigned int io_size;
-	char *addr_source; /* ACPI, PCI, SMBIOS, hardcode, default. */
+	enum ipmi_addr_src addr_source; /* ACPI, PCI, SMBIOS, hardcode, etc. */
 	void (*addr_source_cleanup)(struct smi_info *info);
 	void *addr_source_data;
 
@@ -1755,7 +1763,7 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
 				goto out;
 			}
 
-			info->addr_source = "hotmod";
+			info->addr_source = SI_HOTMOD;
 			info->si_type = si_type;
 			info->io.addr_data = addr;
 			info->io.addr_type = addr_space;
@@ -1813,7 +1821,7 @@ static __devinit void hardcode_find_bmc(void)
 		if (!info)
 			return;
 
-		info->addr_source = "hardcoded";
+		info->addr_source = SI_HARDCODED;
 
 		if (!si_type[i] || strcmp(si_type[i], "kcs") == 0) {
 			info->si_type = SI_KCS;
@@ -2004,7 +2012,7 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 		return -ENOMEM;
 	}
 
-	info->addr_source = "SPMI";
+	info->addr_source = SI_SPMI;
 
 	/* Figure out the interface type. */
 	switch (spmi->InterfaceType) {
@@ -2105,7 +2113,7 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 	if (!info)
 		return -ENOMEM;
 
-	info->addr_source = "ACPI";
+	info->addr_source = SI_ACPI;
 
 	handle = acpi_dev->handle;
 
@@ -2269,7 +2277,7 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
 		return;
 	}
 
-	info->addr_source = "SMBIOS";
+	info->addr_source = SI_SMBIOS;
 
 	switch (ipmi_data->type) {
 	case 0x01: /* KCS */
@@ -2368,7 +2376,7 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 	if (!info)
 		return -ENOMEM;
 
-	info->addr_source = "PCI";
+	info->addr_source = SI_PCI;
 
 	switch (class_type) {
 	case PCI_ERMC_CLASSCODE_TYPE_SMIC:
@@ -2508,7 +2516,7 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 	}
 
 	info->si_type		= (enum si_type) match->data;
-	info->addr_source	= "device-tree";
+	info->addr_source	= SI_DEVICETREE;
 	info->irq_setup		= std_irq_setup;
 
 	if (resource.flags & IORESOURCE_IO) {
@@ -2951,7 +2959,7 @@ static __devinit void default_find_bmc(void)
 		if (!info)
 			return;
 
-		info->addr_source = NULL;
+		info->addr_source = SI_DEFAULT;
 
 		info->si_type = ipmi_defaults[i].type;
 		info->io_setup = port_setup;
@@ -2994,16 +3002,14 @@ static int try_smi_init(struct smi_info *new_smi)
 	int rv;
 	int i;
 
-	if (new_smi->addr_source) {
-		printk(KERN_INFO "ipmi_si: Trying %s-specified %s state"
-		       " machine at %s address 0x%lx, slave address 0x%x,"
-		       " irq %d\n",
-		       new_smi->addr_source,
-		       si_to_str[new_smi->si_type],
-		       addr_space_to_str[new_smi->io.addr_type],
-		       new_smi->io.addr_data,
-		       new_smi->slave_addr, new_smi->irq);
-	}
+	printk(KERN_INFO "ipmi_si: Trying %s-specified %s state"
+	       " machine at %s address 0x%lx, slave address 0x%x,"
+	       " irq %d\n",
+	       ipmi_addr_src_to_str[new_smi->addr_source],
+	       si_to_str[new_smi->si_type],
+	       addr_space_to_str[new_smi->io.addr_type],
+	       new_smi->io.addr_data,
+	       new_smi->slave_addr, new_smi->irq);
 
 	mutex_lock(&smi_infos_lock);
 	if (!is_new_interface(new_smi)) {

From 2407d77a1a013b88ee3b817f2b934e420e5376f5 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 26 May 2010 14:43:46 -0700
Subject: [PATCH 3390/3638] ipmi: split device discovery and registration

The ipmi spec indicates that we should only make use of one si per bmc, so
separate device discovery and registration to make that possible.

[thenzl@redhat.com: fix mutex use]
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 132 ++++++++++++++++++++-----------
 1 file changed, 85 insertions(+), 47 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 93ab75887fb..3f2a4900fe1 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -308,6 +308,7 @@ static int num_max_busy_us;
 
 static int unload_when_empty = 1;
 
+static int add_smi(struct smi_info *smi);
 static int try_smi_init(struct smi_info *smi);
 static void cleanup_one_si(struct smi_info *to_clean);
 
@@ -1785,7 +1786,9 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
 				info->irq_setup = std_irq_setup;
 			info->slave_addr = ipmb;
 
-			try_smi_init(info);
+			if (!add_smi(info))
+				if (try_smi_init(info))
+					cleanup_one_si(info);
 		} else {
 			/* remove */
 			struct smi_info *e, *tmp_e;
@@ -1871,7 +1874,9 @@ static __devinit void hardcode_find_bmc(void)
 			info->irq_setup = std_irq_setup;
 		info->slave_addr = slave_addrs[i];
 
-		try_smi_init(info);
+		if (!add_smi(info))
+			if (try_smi_init(info))
+				cleanup_one_si(info);
 	}
 }
 
@@ -2069,7 +2074,7 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 	}
 	info->io.addr_data = spmi->addr.address;
 
-	try_smi_init(info);
+	add_smi(info);
 
 	return 0;
 }
@@ -2167,7 +2172,7 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 	info->dev = &acpi_dev->dev;
 	pnp_set_drvdata(dev, info);
 
-	return try_smi_init(info);
+	return add_smi(info);
 
 err_free:
 	kfree(info);
@@ -2326,7 +2331,7 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
 	if (info->irq)
 		info->irq_setup = std_irq_setup;
 
-	try_smi_init(info);
+	add_smi(info);
 }
 
 static void __devinit dmi_find_bmc(void)
@@ -2429,7 +2434,7 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 	info->dev = &pdev->dev;
 	pci_set_drvdata(pdev, info);
 
-	return try_smi_init(info);
+	return add_smi(info);
 }
 
 static void __devexit ipmi_pci_remove(struct pci_dev *pdev)
@@ -2542,7 +2547,7 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 
 	dev_set_drvdata(&dev->dev, info);
 
-	return try_smi_init(info);
+	return add_smi(info);
 }
 
 static int __devexit ipmi_of_remove(struct of_device *dev)
@@ -2971,14 +2976,16 @@ static __devinit void default_find_bmc(void)
 		info->io.regsize = DEFAULT_REGSPACING;
 		info->io.regshift = 0;
 
-		if (try_smi_init(info) == 0) {
-			/* Found one... */
-			printk(KERN_INFO "ipmi_si: Found default %s state"
-			       " machine at %s address 0x%lx\n",
-			       si_to_str[info->si_type],
-			       addr_space_to_str[info->io.addr_type],
-			       info->io.addr_data);
-			return;
+		if (add_smi(info) == 0) {
+			if ((try_smi_init(info)) == 0) {
+				/* Found one... */
+				printk(KERN_INFO "ipmi_si: Found default %s"
+				" state machine at %s address 0x%lx\n",
+				si_to_str[info->si_type],
+				addr_space_to_str[info->io.addr_type],
+				info->io.addr_data);
+			} else
+				cleanup_one_si(info);
 		}
 	}
 }
@@ -2997,9 +3004,37 @@ static int is_new_interface(struct smi_info *info)
 	return 1;
 }
 
+static int add_smi(struct smi_info *new_smi)
+{
+	int rv = 0;
+
+	printk(KERN_INFO "ipmi_si: Adding %s-specified %s state machine",
+			ipmi_addr_src_to_str[new_smi->addr_source],
+			si_to_str[new_smi->si_type]);
+	mutex_lock(&smi_infos_lock);
+	if (!is_new_interface(new_smi)) {
+		printk(KERN_CONT ": duplicate interface\n");
+		rv = -EBUSY;
+		goto out_err;
+	}
+
+	printk(KERN_CONT "\n");
+
+	/* So we know not to free it unless we have allocated one. */
+	new_smi->intf = NULL;
+	new_smi->si_sm = NULL;
+	new_smi->handlers = NULL;
+
+	list_add_tail(&new_smi->link, &smi_infos);
+
+out_err:
+	mutex_unlock(&smi_infos_lock);
+	return rv;
+}
+
 static int try_smi_init(struct smi_info *new_smi)
 {
-	int rv;
+	int rv = 0;
 	int i;
 
 	printk(KERN_INFO "ipmi_si: Trying %s-specified %s state"
@@ -3011,18 +3046,6 @@ static int try_smi_init(struct smi_info *new_smi)
 	       new_smi->io.addr_data,
 	       new_smi->slave_addr, new_smi->irq);
 
-	mutex_lock(&smi_infos_lock);
-	if (!is_new_interface(new_smi)) {
-		printk(KERN_WARNING "ipmi_si: duplicate interface\n");
-		rv = -EBUSY;
-		goto out_err;
-	}
-
-	/* So we know not to free it unless we have allocated one. */
-	new_smi->intf = NULL;
-	new_smi->si_sm = NULL;
-	new_smi->handlers = NULL;
-
 	switch (new_smi->si_type) {
 	case SI_KCS:
 		new_smi->handlers = &kcs_smi_handlers;
@@ -3183,10 +3206,6 @@ static int try_smi_init(struct smi_info *new_smi)
 		goto out_err_stop_timer;
 	}
 
-	list_add_tail(&new_smi->link, &smi_infos);
-
-	mutex_unlock(&smi_infos_lock);
-
 	printk(KERN_INFO "IPMI %s interface initialized\n",
 	       si_to_str[new_smi->si_type]);
 
@@ -3197,11 +3216,17 @@ static int try_smi_init(struct smi_info *new_smi)
 	wait_for_timer_and_thread(new_smi);
 
  out_err:
-	if (new_smi->intf)
-		ipmi_unregister_smi(new_smi->intf);
+	new_smi->interrupt_disabled = 1;
 
-	if (new_smi->irq_cleanup)
+	if (new_smi->intf) {
+		ipmi_unregister_smi(new_smi->intf);
+		new_smi->intf = NULL;
+	}
+
+	if (new_smi->irq_cleanup) {
 		new_smi->irq_cleanup(new_smi);
+		new_smi->irq_cleanup = NULL;
+	}
 
 	/*
 	 * Wait until we know that we are out of any interrupt
@@ -3214,18 +3239,21 @@ static int try_smi_init(struct smi_info *new_smi)
 		if (new_smi->handlers)
 			new_smi->handlers->cleanup(new_smi->si_sm);
 		kfree(new_smi->si_sm);
+		new_smi->si_sm = NULL;
 	}
-	if (new_smi->addr_source_cleanup)
+	if (new_smi->addr_source_cleanup) {
 		new_smi->addr_source_cleanup(new_smi);
-	if (new_smi->io_cleanup)
+		new_smi->addr_source_cleanup = NULL;
+	}
+	if (new_smi->io_cleanup) {
 		new_smi->io_cleanup(new_smi);
+		new_smi->io_cleanup = NULL;
+	}
 
-	if (new_smi->dev_registered)
+	if (new_smi->dev_registered) {
 		platform_device_unregister(new_smi->pdev);
-
-	kfree(new_smi);
-
-	mutex_unlock(&smi_infos_lock);
+		new_smi->dev_registered = 0;
+	}
 
 	return rv;
 }
@@ -3235,6 +3263,7 @@ static __devinit int init_ipmi_si(void)
 	int  i;
 	char *str;
 	int  rv;
+	struct smi_info *e;
 
 	if (initialized)
 		return 0;
@@ -3292,15 +3321,21 @@ static __devinit int init_ipmi_si(void)
 	of_register_platform_driver(&ipmi_of_platform_driver);
 #endif
 
+	mutex_lock(&smi_infos_lock);
+	list_for_each_entry(e, &smi_infos, link) {
+		if (!e->si_sm)
+			try_smi_init(e);
+	}
+	mutex_unlock(&smi_infos_lock);
+
 	if (si_trydefaults) {
 		mutex_lock(&smi_infos_lock);
 		if (list_empty(&smi_infos)) {
 			/* No BMC was found, try defaults. */
 			mutex_unlock(&smi_infos_lock);
 			default_find_bmc();
-		} else {
+		} else
 			mutex_unlock(&smi_infos_lock);
-		}
 	}
 
 	mutex_lock(&smi_infos_lock);
@@ -3326,7 +3361,7 @@ module_init(init_ipmi_si);
 
 static void cleanup_one_si(struct smi_info *to_clean)
 {
-	int           rv;
+	int           rv = 0;
 	unsigned long flags;
 
 	if (!to_clean)
@@ -3370,14 +3405,17 @@ static void cleanup_one_si(struct smi_info *to_clean)
 		schedule_timeout_uninterruptible(1);
 	}
 
-	rv = ipmi_unregister_smi(to_clean->intf);
+	if (to_clean->intf)
+		rv = ipmi_unregister_smi(to_clean->intf);
+
 	if (rv) {
 		printk(KERN_ERR
 		       "ipmi_si: Unable to unregister device: errno=%d\n",
 		       rv);
 	}
 
-	to_clean->handlers->cleanup(to_clean->si_sm);
+	if (to_clean->handlers)
+		to_clean->handlers->cleanup(to_clean->si_sm);
 
 	kfree(to_clean->si_sm);
 

From d8cc5267b802003e2c67ac5254788044852ccfa9 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 26 May 2010 14:43:46 -0700
Subject: [PATCH 3391/3638] ipmi: only register one si per bmc

Only register one si per bmc.  Use any user-provided devices first,
followed by the first device with an irq, followed by the first device
discovered.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 3f2a4900fe1..9b9e1e915cf 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -3298,6 +3298,14 @@ static __devinit int init_ipmi_si(void)
 
 	hardcode_find_bmc();
 
+	/* If the user gave us a device, they presumably want us to use it */
+	mutex_lock(&smi_infos_lock);
+	if (!list_empty(&smi_infos)) {
+		mutex_unlock(&smi_infos_lock);
+		return 0;
+	}
+	mutex_unlock(&smi_infos_lock);
+
 #ifdef CONFIG_DMI
 	dmi_find_bmc();
 #endif
@@ -3321,10 +3329,27 @@ static __devinit int init_ipmi_si(void)
 	of_register_platform_driver(&ipmi_of_platform_driver);
 #endif
 
+	/* Try to register something with interrupts first */
+
 	mutex_lock(&smi_infos_lock);
 	list_for_each_entry(e, &smi_infos, link) {
-		if (!e->si_sm)
-			try_smi_init(e);
+		if (e->irq) {
+			if (!try_smi_init(e)) {
+				mutex_unlock(&smi_infos_lock);
+				return 0;
+			}
+		}
+	}
+
+	/* Fall back to the preferred device */
+
+	list_for_each_entry(e, &smi_infos, link) {
+		if (!e->irq) {
+			if (!try_smi_init(e)) {
+				mutex_unlock(&smi_infos_lock);
+				return 0;
+			}
+		}
 	}
 	mutex_unlock(&smi_infos_lock);
 

From 754d453185275951d39792865927ec494fa1ebd8 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 26 May 2010 14:43:47 -0700
Subject: [PATCH 3392/3638] ipmi: change device discovery order

The ipmi spec provides an ordering for si discovery.  Change the driver to
match, with the exception of preferring smbios to SPMI as HPs (at least)
contain accurate information in the former but not the latter.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 9b9e1e915cf..5b7bf7d2249 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -3306,17 +3306,6 @@ static __devinit int init_ipmi_si(void)
 	}
 	mutex_unlock(&smi_infos_lock);
 
-#ifdef CONFIG_DMI
-	dmi_find_bmc();
-#endif
-
-#ifdef CONFIG_ACPI
-	spmi_find_bmc();
-#endif
-#ifdef CONFIG_ACPI
-	pnp_register_driver(&ipmi_pnp_driver);
-#endif
-
 #ifdef CONFIG_PCI
 	rv = pci_register_driver(&ipmi_pci_driver);
 	if (rv)
@@ -3325,6 +3314,18 @@ static __devinit int init_ipmi_si(void)
 		       rv);
 #endif
 
+#ifdef CONFIG_ACPI
+	pnp_register_driver(&ipmi_pnp_driver);
+#endif
+
+#ifdef CONFIG_DMI
+	dmi_find_bmc();
+#endif
+
+#ifdef CONFIG_ACPI
+	spmi_find_bmc();
+#endif
+
 #ifdef CONFIG_PPC_OF
 	of_register_platform_driver(&ipmi_of_platform_driver);
 #endif

From ea4078ca1a7a3a198e519c2a7a2ed6126e40b130 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 26 May 2010 14:43:48 -0700
Subject: [PATCH 3393/3638] ipmi: reduce polling when interrupts are available

If we're not currently in the middle of a transaction, and if we have
interrupts, there's no real reason to poll the controller more frequently
than the core IPMI code does.  Set the interrupt_disabled flag
appropriately as the interrupt state changes, and make the timeout code
reset itself only if the transaction is incomplete or we have no
interrupts.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 5b7bf7d2249..c8d68cf6859 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -454,6 +454,9 @@ static inline void disable_si_irq(struct smi_info *smi_info)
 	if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
 		start_disable_irq(smi_info);
 		smi_info->interrupt_disabled = 1;
+		if (!atomic_read(&smi_info->stop_operation))
+			mod_timer(&smi_info->si_timer,
+				  jiffies + SI_TIMEOUT_JIFFIES);
 	}
 }
 
@@ -706,6 +709,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 			printk(KERN_WARNING
 			       "ipmi_si: Could not enable interrupts"
 			       ", failed set, using polled mode.\n");
+		} else {
+			smi_info->interrupt_disabled = 0;
 		}
 		smi_info->si_state = SI_NORMAL;
 		break;
@@ -886,6 +891,8 @@ static void sender(void                *send_info,
 	printk("**Enqueue: %d.%9.9d\n", t.tv_sec, t.tv_usec);
 #endif
 
+	mod_timer(&smi_info->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
+
 	if (smi_info->run_to_completion) {
 		/*
 		 * If we are running to completion, then throw it in
@@ -1086,7 +1093,8 @@ static void smi_timeout(unsigned long data)
 	}
 
  do_add_timer:
-	add_timer(&(smi_info->si_timer));
+	if ((smi_result != SI_SM_IDLE) || smi_info->interrupt_disabled)
+		add_timer(&(smi_info->si_timer));
 }
 
 static irqreturn_t si_irq_handler(int irq, void *data)
@@ -3117,7 +3125,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	for (i = 0; i < SI_NUM_STATS; i++)
 		atomic_set(&new_smi->stats[i], 0);
 
-	new_smi->interrupt_disabled = 0;
+	new_smi->interrupt_disabled = 1;
 	atomic_set(&new_smi->stop_operation, 0);
 	new_smi->intf_num = smi_num;
 	smi_num++;

From 3326f4f2276791561af1fd5f2020be0186459813 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 26 May 2010 14:43:49 -0700
Subject: [PATCH 3394/3638] ipmi: reduce polling

We can reasonably alter the poll rate depending on whether we're
performing a transaction or merely waiting for an event.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index c8d68cf6859..46bf2a97d6c 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -893,6 +893,9 @@ static void sender(void                *send_info,
 
 	mod_timer(&smi_info->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
 
+	if (smi_info->thread)
+		wake_up_process(smi_info->thread);
+
 	if (smi_info->run_to_completion) {
 		/*
 		 * If we are running to completion, then throw it in
@@ -1013,6 +1016,8 @@ static int ipmi_thread(void *data)
 			; /* do nothing */
 		else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait)
 			schedule();
+		else if (smi_result == SI_SM_IDLE)
+			schedule_timeout_interruptible(100);
 		else
 			schedule_timeout_interruptible(0);
 	}
@@ -1055,6 +1060,7 @@ static void smi_timeout(unsigned long data)
 	unsigned long     flags;
 	unsigned long     jiffies_now;
 	long              time_diff;
+	long		  timeout;
 #ifdef DEBUG_TIMING
 	struct timeval    t;
 #endif
@@ -1075,9 +1081,9 @@ static void smi_timeout(unsigned long data)
 
 	if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
 		/* Running with interrupts, only do long timeouts. */
-		smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES;
+		timeout = jiffies + SI_TIMEOUT_JIFFIES;
 		smi_inc_stat(smi_info, long_timeouts);
-		goto do_add_timer;
+		goto do_mod_timer;
 	}
 
 	/*
@@ -1086,15 +1092,15 @@ static void smi_timeout(unsigned long data)
 	 */
 	if (smi_result == SI_SM_CALL_WITH_DELAY) {
 		smi_inc_stat(smi_info, short_timeouts);
-		smi_info->si_timer.expires = jiffies + 1;
+		timeout = jiffies + 1;
 	} else {
 		smi_inc_stat(smi_info, long_timeouts);
-		smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES;
+		timeout = jiffies + SI_TIMEOUT_JIFFIES;
 	}
 
- do_add_timer:
-	if ((smi_result != SI_SM_IDLE) || smi_info->interrupt_disabled)
-		add_timer(&(smi_info->si_timer));
+ do_mod_timer:
+	if (smi_result != SI_SM_IDLE)
+		mod_timer(&(smi_info->si_timer), timeout);
 }
 
 static irqreturn_t si_irq_handler(int irq, void *data)

From 06ee459402434aabed0c6d03c4cc10bfe4a3a65b Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 26 May 2010 14:43:49 -0700
Subject: [PATCH 3395/3638] ipmi: attempt to register multiple SIs of the same
 type

Some odd systems may have multiple BMCs, and we want to be able to support
them.  Let's make the assumption that if a system legitimately has
multiple BMCs then each BMC's SI will be of the same type, and also that
we won't see multiple SIs of the same type unless we have multiple BMCs.
If these hold true then we should register all SIs of the same type.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 46bf2a97d6c..6503d995b72 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -3278,6 +3278,7 @@ static __devinit int init_ipmi_si(void)
 	char *str;
 	int  rv;
 	struct smi_info *e;
+	enum ipmi_addr_src type = SI_INVALID;
 
 	if (initialized)
 		return 0;
@@ -3344,30 +3345,43 @@ static __devinit int init_ipmi_si(void)
 	of_register_platform_driver(&ipmi_of_platform_driver);
 #endif
 
-	/* Try to register something with interrupts first */
+	/* We prefer devices with interrupts, but in the case of a machine
+	   with multiple BMCs we assume that there will be several instances
+	   of a given type so if we succeed in registering a type then also
+	   try to register everything else of the same type */
 
 	mutex_lock(&smi_infos_lock);
 	list_for_each_entry(e, &smi_infos, link) {
-		if (e->irq) {
+		/* Try to register a device if it has an IRQ and we either
+		   haven't successfully registered a device yet or this
+		   device has the same type as one we successfully registered */
+		if (e->irq && (!type || e->addr_source == type)) {
 			if (!try_smi_init(e)) {
-				mutex_unlock(&smi_infos_lock);
-				return 0;
+				type = e->addr_source;
 			}
 		}
 	}
 
+	/* type will only have been set if we successfully registered an si */
+	if (type) {
+		mutex_unlock(&smi_infos_lock);
+		return 0;
+	}
+
 	/* Fall back to the preferred device */
 
 	list_for_each_entry(e, &smi_infos, link) {
-		if (!e->irq) {
+		if (!e->irq && (!type || e->addr_source == type)) {
 			if (!try_smi_init(e)) {
-				mutex_unlock(&smi_infos_lock);
-				return 0;
+				type = e->addr_source;
 			}
 		}
 	}
 	mutex_unlock(&smi_infos_lock);
 
+	if (type)
+		return 0;
+
 	if (si_trydefaults) {
 		mutex_lock(&smi_infos_lock);
 		if (list_empty(&smi_infos)) {

From ddac44b7b21b72c0d9d6882ac8d7027afc25138c Mon Sep 17 00:00:00 2001
From: Corey Minyard <cminyard@mvista.com>
Date: Wed, 26 May 2010 14:43:50 -0700
Subject: [PATCH 3396/3638] ipmi: change timeout and event poll to one second

The timeouts in IPMI are in the 1-5 second range in message handling, so a
1 second timeout is a reasonable thing to do.  This should help with
reducing power consumption on idle systems.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_msghandler.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index c6ad4234378..5de4bb99cb9 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -4037,8 +4037,8 @@ static void ipmi_request_event(void)
 
 static struct timer_list ipmi_timer;
 
-/* Call every ~100 ms. */
-#define IPMI_TIMEOUT_TIME	100
+/* Call every ~1000 ms. */
+#define IPMI_TIMEOUT_TIME	1000
 
 /* How many jiffies does it take to get to the timeout time. */
 #define IPMI_TIMEOUT_JIFFIES	((IPMI_TIMEOUT_TIME * HZ) / 1000)

From 8c8eae2742d5ad05ef6e5b53c88e70a5231d7d9a Mon Sep 17 00:00:00 2001
From: Myron Stowe <myron.stowe@hp.com>
Date: Wed, 26 May 2010 14:43:51 -0700
Subject: [PATCH 3397/3638] ipmi: convert tracking of the ACPI device pointer
 to a PNP device

Convert PNP patch (git 9e368fa011d4e0aa050db348d69514900520e40b) to
maintain a pointer to a PNP device, 'pnp_dev', instead of the ACPI device,
'acpi_dev', that is currently being tracked with PNP based IPMI device
discovery.

Signed-off-by: Myron Stowe <myron.stowe@hp.com>
Acked-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Corey Minyard <minyard@acm.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 6503d995b72..31bbcbdd178 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2183,7 +2183,7 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 		info->irq_setup = std_irq_setup;
 	}
 
-	info->dev = &acpi_dev->dev;
+	info->dev = &dev->dev;
 	pnp_set_drvdata(dev, info);
 
 	return add_smi(info);

From 279fbd0c5daa60c76e59df33f436ca2300f2b603 Mon Sep 17 00:00:00 2001
From: Myron Stowe <myron.stowe@hp.com>
Date: Wed, 26 May 2010 14:43:52 -0700
Subject: [PATCH 3398/3638] ipmi: update driver to use dev_printk and its
 constructs

Update core IPMI driver printk()'s with dev_printk(), and its constructs,
to provide additional device topology information.

An example of the additional device topology for a PNP device -
  ipmi_si 00:02: probing via ACPI
  ipmi_si 00:02: [io  0x0ca2-0x0ca3] regsize 1 spacing 1 irq 0
  ipmi_si 00:02: Found new BMC (man_id: 0x00000b, prod_id: 0x0000, ...
  ipmi_si 00:02: IPMI kcs interface initialized

and for a PCI device -
  ipmi_si 0000:01:04.6: probing via PCI
  ipmi_si 0000:01:04.6: PCI INT A -> GSI 21 (level, low) -> IRQ 21
  ipmi_si 0000:01:04.6: [mem 0xf1ef0000-0xf1ef00ff] regsize 1 spaci...
  ipmi_si 0000:01:04.6: IPMI kcs interface initialized

[minyard@acm.org: rework to fix rejects, extended it a bit]
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Myron Stowe <myron.stowe@hp.com>
Signed-off-by: Corey Minyard <minyard@acm.org>
Cc: Zhao Yakui <yakui.zhao@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_msghandler.c |  11 +-
 drivers/char/ipmi/ipmi_si_intf.c    | 223 +++++++++++++---------------
 2 files changed, 107 insertions(+), 127 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 5de4bb99cb9..4f3f8c9ec26 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2505,12 +2505,11 @@ static int ipmi_bmc_register(ipmi_smi_t intf, int ifnum,
 			return rv;
 		}
 
-		printk(KERN_INFO
-		       "ipmi: Found new BMC (man_id: 0x%6.6x, "
-		       " prod_id: 0x%4.4x, dev_id: 0x%2.2x)\n",
-		       bmc->id.manufacturer_id,
-		       bmc->id.product_id,
-		       bmc->id.device_id);
+		dev_info(intf->si_dev, "Found new BMC (man_id: 0x%6.6x, "
+			 "prod_id: 0x%4.4x, dev_id: 0x%2.2x)\n",
+			 bmc->id.manufacturer_id,
+			 bmc->id.product_id,
+			 bmc->id.device_id);
 	}
 
 	/*
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 31bbcbdd178..f052c481327 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -588,9 +588,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 3);
 		if (msg[2] != 0) {
 			/* Error clearing flags */
-			printk(KERN_WARNING
-			       "ipmi_si: Error clearing flags: %2.2x\n",
-			       msg[2]);
+			dev_warn(smi_info->dev,
+				 "Error clearing flags: %2.2x\n", msg[2]);
 		}
 		if (smi_info->si_state == SI_CLEARING_FLAGS_THEN_SET_IRQ)
 			start_enable_irq(smi_info);
@@ -682,9 +681,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		/* We got the flags from the SMI, now handle them. */
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
 		if (msg[2] != 0) {
-			printk(KERN_WARNING
-			       "ipmi_si: Could not enable interrupts"
-			       ", failed get, using polled mode.\n");
+			dev_warn(smi_info->dev, "Could not enable interrupts"
+				 ", failed get, using polled mode.\n");
 			smi_info->si_state = SI_NORMAL;
 		} else {
 			msg[0] = (IPMI_NETFN_APP_REQUEST << 2);
@@ -705,13 +703,11 @@ static void handle_transaction_done(struct smi_info *smi_info)
 
 		/* We got the flags from the SMI, now handle them. */
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
-		if (msg[2] != 0) {
-			printk(KERN_WARNING
-			       "ipmi_si: Could not enable interrupts"
-			       ", failed set, using polled mode.\n");
-		} else {
+		if (msg[2] != 0)
+			dev_warn(smi_info->dev, "Could not enable interrupts"
+				 ", failed set, using polled mode.\n");
+		else
 			smi_info->interrupt_disabled = 0;
-		}
 		smi_info->si_state = SI_NORMAL;
 		break;
 	}
@@ -723,9 +719,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		/* We got the flags from the SMI, now handle them. */
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
 		if (msg[2] != 0) {
-			printk(KERN_WARNING
-			       "ipmi_si: Could not disable interrupts"
-			       ", failed get.\n");
+			dev_warn(smi_info->dev, "Could not disable interrupts"
+				 ", failed get.\n");
 			smi_info->si_state = SI_NORMAL;
 		} else {
 			msg[0] = (IPMI_NETFN_APP_REQUEST << 2);
@@ -747,9 +742,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		/* We got the flags from the SMI, now handle them. */
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
 		if (msg[2] != 0) {
-			printk(KERN_WARNING
-			       "ipmi_si: Could not disable interrupts"
-			       ", failed set.\n");
+			dev_warn(smi_info->dev, "Could not disable interrupts"
+				 ", failed set.\n");
 		}
 		smi_info->si_state = SI_NORMAL;
 		break;
@@ -1167,10 +1161,10 @@ static int smi_start_processing(void       *send_info,
 		new_smi->thread = kthread_run(ipmi_thread, new_smi,
 					      "kipmi%d", new_smi->intf_num);
 		if (IS_ERR(new_smi->thread)) {
-			printk(KERN_NOTICE "ipmi_si_intf: Could not start"
-			       " kernel thread due to error %ld, only using"
-			       " timers to drive the interface\n",
-			       PTR_ERR(new_smi->thread));
+			dev_notice(new_smi->dev, "Could not start"
+				   " kernel thread due to error %ld, only using"
+				   " timers to drive the interface\n",
+				   PTR_ERR(new_smi->thread));
 			new_smi->thread = NULL;
 		}
 	}
@@ -1331,14 +1325,13 @@ static int std_irq_setup(struct smi_info *info)
 				 DEVICE_NAME,
 				 info);
 	if (rv) {
-		printk(KERN_WARNING
-		       "ipmi_si: %s unable to claim interrupt %d,"
-		       " running polled\n",
-		       DEVICE_NAME, info->irq);
+		dev_warn(info->dev, "%s unable to claim interrupt %d,"
+			 " running polled\n",
+			 DEVICE_NAME, info->irq);
 		info->irq = 0;
 	} else {
 		info->irq_cleanup = std_irq_cleanup;
-		printk("  Using irq %d\n", info->irq);
+		dev_info(info->dev, "Using irq %d\n", info->irq);
 	}
 
 	return rv;
@@ -1429,8 +1422,8 @@ static int port_setup(struct smi_info *info)
 		info->io.outputb = port_outl;
 		break;
 	default:
-		printk(KERN_WARNING "ipmi_si: Invalid register size: %d\n",
-		       info->io.regsize);
+		dev_warn(info->dev, "Invalid register size: %d\n",
+			 info->io.regsize);
 		return -EINVAL;
 	}
 
@@ -1552,8 +1545,8 @@ static int mem_setup(struct smi_info *info)
 		break;
 #endif
 	default:
-		printk(KERN_WARNING "ipmi_si: Invalid register size: %d\n",
-		       info->io.regsize);
+		dev_warn(info->dev, "Invalid register size: %d\n",
+			 info->io.regsize);
 		return -EINVAL;
 	}
 
@@ -1839,6 +1832,7 @@ static __devinit void hardcode_find_bmc(void)
 			return;
 
 		info->addr_source = SI_HARDCODED;
+		printk(KERN_INFO PFX "probing via hardcoded address\n");
 
 		if (!si_type[i] || strcmp(si_type[i], "kcs") == 0) {
 			info->si_type = SI_KCS;
@@ -1847,8 +1841,7 @@ static __devinit void hardcode_find_bmc(void)
 		} else if (strcmp(si_type[i], "bt") == 0) {
 			info->si_type = SI_BT;
 		} else {
-			printk(KERN_WARNING
-			       "ipmi_si: Interface type specified "
+			printk(KERN_WARNING PFX "Interface type specified "
 			       "for interface %d, was invalid: %s\n",
 			       i, si_type[i]);
 			kfree(info);
@@ -1866,11 +1859,9 @@ static __devinit void hardcode_find_bmc(void)
 			info->io.addr_data = addrs[i];
 			info->io.addr_type = IPMI_MEM_ADDR_SPACE;
 		} else {
-			printk(KERN_WARNING
-			       "ipmi_si: Interface type specified "
-			       "for interface %d, "
-			       "but port and address were not set or "
-			       "set to zero.\n", i);
+			printk(KERN_WARNING PFX "Interface type specified "
+			       "for interface %d, but port and address were "
+			       "not set or set to zero.\n", i);
 			kfree(info);
 			continue;
 		}
@@ -1950,15 +1941,13 @@ static int acpi_gpe_irq_setup(struct smi_info *info)
 					  &ipmi_acpi_gpe,
 					  info);
 	if (status != AE_OK) {
-		printk(KERN_WARNING
-		       "ipmi_si: %s unable to claim ACPI GPE %d,"
-		       " running polled\n",
-		       DEVICE_NAME, info->irq);
+		dev_warn(info->dev, "%s unable to claim ACPI GPE %d,"
+			 " running polled\n", DEVICE_NAME, info->irq);
 		info->irq = 0;
 		return -EINVAL;
 	} else {
 		info->irq_cleanup = acpi_gpe_irq_cleanup;
-		printk("  Using ACPI GPE %d\n", info->irq);
+		dev_info(info->dev, "Using ACPI GPE %d\n", info->irq);
 		return 0;
 	}
 }
@@ -2016,8 +2005,8 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 	u8 		 addr_space;
 
 	if (spmi->IPMIlegacy != 1) {
-	    printk(KERN_INFO "IPMI: Bad SPMI legacy %d\n", spmi->IPMIlegacy);
-	    return -ENODEV;
+		printk(KERN_INFO PFX "Bad SPMI legacy %d\n", spmi->IPMIlegacy);
+		return -ENODEV;
 	}
 
 	if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
@@ -2027,11 +2016,12 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info) {
-		printk(KERN_ERR "ipmi_si: Could not allocate SI data (3)\n");
+		printk(KERN_ERR PFX "Could not allocate SI data (3)\n");
 		return -ENOMEM;
 	}
 
 	info->addr_source = SI_SPMI;
+	printk(KERN_INFO PFX "probing via SPMI\n");
 
 	/* Figure out the interface type. */
 	switch (spmi->InterfaceType) {
@@ -2045,8 +2035,8 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 		info->si_type = SI_BT;
 		break;
 	default:
-		printk(KERN_INFO "ipmi_si: Unknown ACPI/SPMI SI type %d\n",
-			spmi->InterfaceType);
+		printk(KERN_INFO PFX "Unknown ACPI/SPMI SI type %d\n",
+		       spmi->InterfaceType);
 		kfree(info);
 		return -EIO;
 	}
@@ -2082,8 +2072,7 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 		info->io.addr_type = IPMI_IO_ADDR_SPACE;
 	} else {
 		kfree(info);
-		printk(KERN_WARNING
-		       "ipmi_si: Unknown ACPI I/O Address type\n");
+		printk(KERN_WARNING PFX "Unknown ACPI I/O Address type\n");
 		return -EIO;
 	}
 	info->io.addr_data = spmi->addr.address;
@@ -2120,6 +2109,7 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 {
 	struct acpi_device *acpi_dev;
 	struct smi_info *info;
+	struct resource *res;
 	acpi_handle handle;
 	acpi_status status;
 	unsigned long long tmp;
@@ -2133,6 +2123,7 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 		return -ENOMEM;
 
 	info->addr_source = SI_ACPI;
+	printk(KERN_INFO PFX "probing via ACPI\n");
 
 	handle = acpi_dev->handle;
 
@@ -2152,22 +2143,26 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 		info->si_type = SI_BT;
 		break;
 	default:
-		dev_info(&dev->dev, "unknown interface type %lld\n", tmp);
+		dev_info(&dev->dev, "unknown IPMI type %lld\n", tmp);
 		goto err_free;
 	}
 
-	if (pnp_port_valid(dev, 0)) {
+	res = pnp_get_resource(dev, IORESOURCE_IO, 0);
+	if (res) {
 		info->io_setup = port_setup;
 		info->io.addr_type = IPMI_IO_ADDR_SPACE;
-		info->io.addr_data = pnp_port_start(dev, 0);
-	} else if (pnp_mem_valid(dev, 0)) {
-		info->io_setup = mem_setup;
-		info->io.addr_type = IPMI_MEM_ADDR_SPACE;
-		info->io.addr_data = pnp_mem_start(dev, 0);
 	} else {
+		res = pnp_get_resource(dev, IORESOURCE_MEM, 0);
+		if (res) {
+			info->io_setup = mem_setup;
+			info->io.addr_type = IPMI_MEM_ADDR_SPACE;
+		}
+	}
+	if (!res) {
 		dev_err(&dev->dev, "no I/O or memory address\n");
 		goto err_free;
 	}
+	info->io.addr_data = res->start;
 
 	info->io.regspacing = DEFAULT_REGSPACING;
 	info->io.regsize = DEFAULT_REGSPACING;
@@ -2186,6 +2181,10 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 	info->dev = &dev->dev;
 	pnp_set_drvdata(dev, info);
 
+	dev_info(info->dev, "%pR regsize %d spacing %d irq %d\n",
+		 res, info->io.regsize, info->io.regspacing,
+		 info->irq);
+
 	return add_smi(info);
 
 err_free:
@@ -2291,12 +2290,12 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
 
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info) {
-		printk(KERN_ERR
-		       "ipmi_si: Could not allocate SI data\n");
+		printk(KERN_ERR PFX "Could not allocate SI data\n");
 		return;
 	}
 
 	info->addr_source = SI_SMBIOS;
+	printk(KERN_INFO PFX "probing via SMBIOS\n");
 
 	switch (ipmi_data->type) {
 	case 0x01: /* KCS */
@@ -2326,8 +2325,7 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
 
 	default:
 		kfree(info);
-		printk(KERN_WARNING
-		       "ipmi_si: Unknown SMBIOS I/O Address type: %d.\n",
+		printk(KERN_WARNING PFX "Unknown SMBIOS I/O Address type: %d\n",
 		       ipmi_data->addr_space);
 		return;
 	}
@@ -2396,6 +2394,7 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 		return -ENOMEM;
 
 	info->addr_source = SI_PCI;
+	dev_info(&pdev->dev, "probing via PCI");
 
 	switch (class_type) {
 	case PCI_ERMC_CLASSCODE_TYPE_SMIC:
@@ -2412,15 +2411,13 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 
 	default:
 		kfree(info);
-		printk(KERN_INFO "ipmi_si: %s: Unknown IPMI type: %d\n",
-		       pci_name(pdev), class_type);
+		dev_info(&pdev->dev, "Unknown IPMI type: %d\n", class_type);
 		return -ENOMEM;
 	}
 
 	rv = pci_enable_device(pdev);
 	if (rv) {
-		printk(KERN_ERR "ipmi_si: %s: couldn't enable PCI device\n",
-		       pci_name(pdev));
+		dev_err(&pdev->dev, "couldn't enable PCI device\n");
 		kfree(info);
 		return rv;
 	}
@@ -2448,6 +2445,10 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 	info->dev = &pdev->dev;
 	pci_set_drvdata(pdev, info);
 
+	dev_info(&pdev->dev, "%pR regsize %d spacing %d irq %d\n",
+		&pdev->resource[0], info->io.regsize, info->io.regspacing,
+		info->irq);
+
 	return add_smi(info);
 }
 
@@ -2500,7 +2501,7 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 	int ret;
 	int proplen;
 
-	dev_info(&dev->dev, PFX "probing via device tree\n");
+	dev_info(&dev->dev, "probing via device tree\n");
 
 	ret = of_address_to_resource(np, 0, &resource);
 	if (ret) {
@@ -2530,7 +2531,7 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 
 	if (!info) {
 		dev_err(&dev->dev,
-			PFX "could not allocate memory for OF probe\n");
+			"could not allocate memory for OF probe\n");
 		return -ENOMEM;
 	}
 
@@ -2555,7 +2556,7 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 	info->irq		= irq_of_parse_and_map(dev->dev.of_node, 0);
 	info->dev		= &dev->dev;
 
-	dev_dbg(&dev->dev, "addr 0x%lx regsize %d spacing %d irq %x\n",
+	dev_dbg(&dev->dev, "addr 0x%lx regsize %d spacing %d irq %d\n",
 		info->io.addr_data, info->io.regsize, info->io.regspacing,
 		info->irq);
 
@@ -2670,9 +2671,8 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
 
 	rv = wait_for_msg_done(smi_info);
 	if (rv) {
-		printk(KERN_WARNING
-		       "ipmi_si: Error getting response from get global,"
-		       " enables command, the event buffer is not"
+		printk(KERN_WARNING PFX "Error getting response from get"
+		       " global enables command, the event buffer is not"
 		       " enabled.\n");
 		goto out;
 	}
@@ -2684,10 +2684,8 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
 			resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 ||
 			resp[1] != IPMI_GET_BMC_GLOBAL_ENABLES_CMD   ||
 			resp[2] != 0) {
-		printk(KERN_WARNING
-		       "ipmi_si: Invalid return from get global"
-		       " enables command, cannot enable the event"
-		       " buffer.\n");
+		printk(KERN_WARNING PFX "Invalid return from get global"
+		       " enables command, cannot enable the event buffer.\n");
 		rv = -EINVAL;
 		goto out;
 	}
@@ -2703,9 +2701,8 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
 
 	rv = wait_for_msg_done(smi_info);
 	if (rv) {
-		printk(KERN_WARNING
-		       "ipmi_si: Error getting response from set global,"
-		       " enables command, the event buffer is not"
+		printk(KERN_WARNING PFX "Error getting response from set"
+		       " global, enables command, the event buffer is not"
 		       " enabled.\n");
 		goto out;
 	}
@@ -2716,10 +2713,8 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
 	if (resp_len < 3 ||
 			resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 ||
 			resp[1] != IPMI_SET_BMC_GLOBAL_ENABLES_CMD) {
-		printk(KERN_WARNING
-		       "ipmi_si: Invalid return from get global,"
-		       "enables command, not enable the event"
-		       " buffer.\n");
+		printk(KERN_WARNING PFX "Invalid return from get global,"
+		       "enables command, not enable the event buffer.\n");
 		rv = -EINVAL;
 		goto out;
 	}
@@ -2993,7 +2988,7 @@ static __devinit void default_find_bmc(void)
 		if (add_smi(info) == 0) {
 			if ((try_smi_init(info)) == 0) {
 				/* Found one... */
-				printk(KERN_INFO "ipmi_si: Found default %s"
+				printk(KERN_INFO PFX "Found default %s"
 				" state machine at %s address 0x%lx\n",
 				si_to_str[info->si_type],
 				addr_space_to_str[info->io.addr_type],
@@ -3022,12 +3017,12 @@ static int add_smi(struct smi_info *new_smi)
 {
 	int rv = 0;
 
-	printk(KERN_INFO "ipmi_si: Adding %s-specified %s state machine",
+	printk(KERN_INFO PFX "Adding %s-specified %s state machine",
 			ipmi_addr_src_to_str[new_smi->addr_source],
 			si_to_str[new_smi->si_type]);
 	mutex_lock(&smi_infos_lock);
 	if (!is_new_interface(new_smi)) {
-		printk(KERN_CONT ": duplicate interface\n");
+		printk(KERN_CONT PFX "duplicate interface\n");
 		rv = -EBUSY;
 		goto out_err;
 	}
@@ -3051,7 +3046,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	int rv = 0;
 	int i;
 
-	printk(KERN_INFO "ipmi_si: Trying %s-specified %s state"
+	printk(KERN_INFO PFX "Trying %s-specified %s state"
 	       " machine at %s address 0x%lx, slave address 0x%x,"
 	       " irq %d\n",
 	       ipmi_addr_src_to_str[new_smi->addr_source],
@@ -3082,7 +3077,8 @@ static int try_smi_init(struct smi_info *new_smi)
 	/* Allocate the state machine's data and initialize it. */
 	new_smi->si_sm = kmalloc(new_smi->handlers->size(), GFP_KERNEL);
 	if (!new_smi->si_sm) {
-		printk(KERN_ERR "Could not allocate state machine memory\n");
+		printk(KERN_ERR PFX
+		       "Could not allocate state machine memory\n");
 		rv = -ENOMEM;
 		goto out_err;
 	}
@@ -3092,7 +3088,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	/* Now that we know the I/O size, we can set up the I/O. */
 	rv = new_smi->io_setup(new_smi);
 	if (rv) {
-		printk(KERN_ERR "Could not set up I/O space\n");
+		printk(KERN_ERR PFX "Could not set up I/O space\n");
 		goto out_err;
 	}
 
@@ -3102,8 +3098,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	/* Do low-level detection first. */
 	if (new_smi->handlers->detect(new_smi->si_sm)) {
 		if (new_smi->addr_source)
-			printk(KERN_INFO "ipmi_si: Interface detection"
-			       " failed\n");
+			printk(KERN_INFO PFX "Interface detection failed\n");
 		rv = -ENODEV;
 		goto out_err;
 	}
@@ -3115,7 +3110,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	rv = try_get_dev_id(new_smi);
 	if (rv) {
 		if (new_smi->addr_source)
-			printk(KERN_INFO "ipmi_si: There appears to be no BMC"
+			printk(KERN_INFO PFX "There appears to be no BMC"
 			       " at this location\n");
 		goto out_err;
 	}
@@ -3157,9 +3152,8 @@ static int try_smi_init(struct smi_info *new_smi)
 		new_smi->pdev = platform_device_alloc("ipmi_si",
 						      new_smi->intf_num);
 		if (!new_smi->pdev) {
-			printk(KERN_ERR
-			       "ipmi_si_intf:"
-			       " Unable to allocate platform device\n");
+			printk(KERN_ERR PFX
+			       "Unable to allocate platform device\n");
 			goto out_err;
 		}
 		new_smi->dev = &new_smi->pdev->dev;
@@ -3167,9 +3161,8 @@ static int try_smi_init(struct smi_info *new_smi)
 
 		rv = platform_device_add(new_smi->pdev);
 		if (rv) {
-			printk(KERN_ERR
-			       "ipmi_si_intf:"
-			       " Unable to register system interface device:"
+			printk(KERN_ERR PFX
+			       "Unable to register system interface device:"
 			       " %d\n",
 			       rv);
 			goto out_err;
@@ -3184,9 +3177,8 @@ static int try_smi_init(struct smi_info *new_smi)
 			       "bmc",
 			       new_smi->slave_addr);
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to register device: error %d\n",
-		       rv);
+		dev_err(new_smi->dev, "Unable to register device: error %d\n",
+			rv);
 		goto out_err_stop_timer;
 	}
 
@@ -3194,9 +3186,7 @@ static int try_smi_init(struct smi_info *new_smi)
 				     type_file_read_proc,
 				     new_smi);
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to create proc entry: %d\n",
-		       rv);
+		dev_err(new_smi->dev, "Unable to create proc entry: %d\n", rv);
 		goto out_err_stop_timer;
 	}
 
@@ -3204,9 +3194,7 @@ static int try_smi_init(struct smi_info *new_smi)
 				     stat_file_read_proc,
 				     new_smi);
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to create proc entry: %d\n",
-		       rv);
+		dev_err(new_smi->dev, "Unable to create proc entry: %d\n", rv);
 		goto out_err_stop_timer;
 	}
 
@@ -3214,14 +3202,12 @@ static int try_smi_init(struct smi_info *new_smi)
 				     param_read_proc,
 				     new_smi);
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to create proc entry: %d\n",
-		       rv);
+		dev_err(new_smi->dev, "Unable to create proc entry: %d\n", rv);
 		goto out_err_stop_timer;
 	}
 
-	printk(KERN_INFO "IPMI %s interface initialized\n",
-	       si_to_str[new_smi->si_type]);
+	dev_info(new_smi->dev, "IPMI %s interface initialized\n",
+		 si_to_str[new_smi->si_type]);
 
 	return 0;
 
@@ -3287,9 +3273,7 @@ static __devinit int init_ipmi_si(void)
 	/* Register the device drivers. */
 	rv = driver_register(&ipmi_driver.driver);
 	if (rv) {
-		printk(KERN_ERR
-		       "init_ipmi_si: Unable to register driver: %d\n",
-		       rv);
+		printk(KERN_ERR PFX "Unable to register driver: %d\n", rv);
 		return rv;
 	}
 
@@ -3324,9 +3308,7 @@ static __devinit int init_ipmi_si(void)
 #ifdef CONFIG_PCI
 	rv = pci_register_driver(&ipmi_pci_driver);
 	if (rv)
-		printk(KERN_ERR
-		       "init_ipmi_si: Unable to register PCI driver: %d\n",
-		       rv);
+		printk(KERN_ERR PFX "Unable to register PCI driver: %d\n", rv);
 #endif
 
 #ifdef CONFIG_ACPI
@@ -3403,8 +3385,8 @@ static __devinit int init_ipmi_si(void)
 		of_unregister_platform_driver(&ipmi_of_platform_driver);
 #endif
 		driver_unregister(&ipmi_driver.driver);
-		printk(KERN_WARNING
-		       "ipmi_si: Unable to find any System Interface(s)\n");
+		printk(KERN_WARNING PFX
+		       "Unable to find any System Interface(s)\n");
 		return -ENODEV;
 	} else {
 		mutex_unlock(&smi_infos_lock);
@@ -3463,8 +3445,7 @@ static void cleanup_one_si(struct smi_info *to_clean)
 		rv = ipmi_unregister_smi(to_clean->intf);
 
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to unregister device: errno=%d\n",
+		printk(KERN_ERR PFX "Unable to unregister device: errno=%d\n",
 		       rv);
 	}
 

From a747c5abc329611220f16df0bb4cf0ca4a7fdf0c Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Wed, 26 May 2010 14:43:53 -0700
Subject: [PATCH 3399/3638] ipmi: handle run_to_completion properly in
 deliver_recv_msg()

If run_to_completion flag is set, it means that we are running in a
single-threaded mode, and thus no locks are held.

This fixes a deadlock when IPMI notifier is being called during panic.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Corey Minyard <minyard@acm.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_si_intf.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index f052c481327..35603dd4e6c 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -323,9 +323,14 @@ static void deliver_recv_msg(struct smi_info *smi_info,
 {
 	/* Deliver the message to the upper layer with the lock
 	   released. */
-	spin_unlock(&(smi_info->si_lock));
-	ipmi_smi_msg_received(smi_info->intf, msg);
-	spin_lock(&(smi_info->si_lock));
+
+	if (smi_info->run_to_completion) {
+		ipmi_smi_msg_received(smi_info->intf, msg);
+	} else {
+		spin_unlock(&(smi_info->si_lock));
+		ipmi_smi_msg_received(smi_info->intf, msg);
+		spin_lock(&(smi_info->si_lock));
+	}
 }
 
 static void return_hosed_msg(struct smi_info *smi_info, int cCode)

From 56d611a04fb2db77334e06274de4daed92e2c626 Mon Sep 17 00:00:00 2001
From: Marco Stornelli <marco.stornelli@gmail.com>
Date: Wed, 26 May 2010 14:43:54 -0700
Subject: [PATCH 3400/3638] char drivers: RAM oops/panic logger

Ramoops, like mtdoops, can log oops/panic information but in RAM.  It can
be used with persistent RAM for systems without flash support.  In
addition, for this systems, with this driver, it's no more needed add to
the kernel the mtd subsystem with advantage in footprint.

It can be used in a very easy way with persistent RAM for systems without
flash support.  For these systems, with this driver, it is no longer
required to cinlude mtd subsystem with an advantage in footprint.  In
addition, you can save flash space and store this information only in RAM.

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Cc: Simon Kagstrom <simon.kagstrom@netinsight.net>
Cc: David Woodhouse <David.Woodhouse@intel.com>
Cc; Anders Grafstrom <anders.grafstrom@netinsight.net>
Cc: Yuasa Yoichi <yuasa@linux-mips.org>
Cc: Jamie Lokier <jamie@shareable.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/Kconfig   |   7 ++
 drivers/char/Makefile  |   1 +
 drivers/char/ramoops.c | 162 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 170 insertions(+)
 create mode 100644 drivers/char/ramoops.c

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index e21175be25d..f09fc0e2062 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1121,5 +1121,12 @@ config DEVPORT
 
 source "drivers/s390/char/Kconfig"
 
+config RAMOOPS
+	tristate "Log panic/oops to a RAM buffer"
+	default n
+	help
+	  This enables panic and oops messages to be logged to a circular
+	  buffer in RAM where it can be read back at some later point.
+
 endmenu
 
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index d39be4cf1f5..88d6eac6975 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -108,6 +108,7 @@ obj-$(CONFIG_HANGCHECK_TIMER)	+= hangcheck-timer.o
 obj-$(CONFIG_TCG_TPM)		+= tpm/
 
 obj-$(CONFIG_PS3_FLASH)		+= ps3flash.o
+obj-$(CONFIG_RAMOOPS)		+= ramoops.o
 
 obj-$(CONFIG_JS_RTC)		+= js-rtc.o
 js-rtc-y = rtc.o
diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
new file mode 100644
index 00000000000..74f00b5ffa3
--- /dev/null
+++ b/drivers/char/ramoops.c
@@ -0,0 +1,162 @@
+/*
+ * RAM Oops/Panic logger
+ *
+ * Copyright (C) 2010 Marco Stornelli <marco.stornelli@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/kmsg_dump.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+
+#define RAMOOPS_KERNMSG_HDR "===="
+#define RAMOOPS_HEADER_SIZE   (5 + sizeof(struct timeval))
+
+#define RECORD_SIZE 4096
+
+static ulong mem_address;
+module_param(mem_address, ulong, 0400);
+MODULE_PARM_DESC(mem_address,
+		"start of reserved RAM used to store oops/panic logs");
+
+static ulong mem_size;
+module_param(mem_size, ulong, 0400);
+MODULE_PARM_DESC(mem_size,
+		"size of reserved RAM used to store oops/panic logs");
+
+static int dump_oops = 1;
+module_param(dump_oops, int, 0600);
+MODULE_PARM_DESC(dump_oops,
+		"set to 1 to dump oopses, 0 to only dump panics (default 1)");
+
+static struct ramoops_context {
+	struct kmsg_dumper dump;
+	void *virt_addr;
+	phys_addr_t phys_addr;
+	unsigned long size;
+	int count;
+	int max_count;
+} oops_cxt;
+
+static void ramoops_do_dump(struct kmsg_dumper *dumper,
+		enum kmsg_dump_reason reason, const char *s1, unsigned long l1,
+		const char *s2, unsigned long l2)
+{
+	struct ramoops_context *cxt = container_of(dumper,
+			struct ramoops_context, dump);
+	unsigned long s1_start, s2_start;
+	unsigned long l1_cpy, l2_cpy;
+	int res;
+	char *buf;
+	struct timeval timestamp;
+
+	/* Only dump oopses if dump_oops is set */
+	if (reason == KMSG_DUMP_OOPS && !dump_oops)
+		return;
+
+	buf = (char *)(cxt->virt_addr + (cxt->count * RECORD_SIZE));
+	memset(buf, '\0', RECORD_SIZE);
+	res = sprintf(buf, "%s", RAMOOPS_KERNMSG_HDR);
+	buf += res;
+	do_gettimeofday(&timestamp);
+	res = sprintf(buf, "%lu.%lu\n", (long)timestamp.tv_sec, (long)timestamp.tv_usec);
+	buf += res;
+
+	l2_cpy = min(l2, (unsigned long)(RECORD_SIZE - RAMOOPS_HEADER_SIZE));
+	l1_cpy = min(l1, (unsigned long)(RECORD_SIZE - RAMOOPS_HEADER_SIZE) - l2_cpy);
+
+	s2_start = l2 - l2_cpy;
+	s1_start = l1 - l1_cpy;
+
+	memcpy(buf, s1 + s1_start, l1_cpy);
+	memcpy(buf + l1_cpy, s2 + s2_start, l2_cpy);
+
+	cxt->count = (cxt->count + 1) % cxt->max_count;
+}
+
+static int __init ramoops_init(void)
+{
+	struct ramoops_context *cxt = &oops_cxt;
+	int err = -EINVAL;
+
+	if (!mem_size) {
+		printk(KERN_ERR "ramoops: invalid size specification");
+		goto fail3;
+	}
+
+	rounddown_pow_of_two(mem_size);
+
+	if (mem_size < RECORD_SIZE) {
+		printk(KERN_ERR "ramoops: size too small");
+		goto fail3;
+	}
+
+	cxt->max_count = mem_size / RECORD_SIZE;
+	cxt->count = 0;
+	cxt->size = mem_size;
+	cxt->phys_addr = mem_address;
+
+	if (!request_mem_region(cxt->phys_addr, cxt->size, "ramoops")) {
+		printk(KERN_ERR "ramoops: request mem region failed");
+		err = -EINVAL;
+		goto fail3;
+	}
+
+	cxt->virt_addr = ioremap(cxt->phys_addr,  cxt->size);
+	if (!cxt->virt_addr) {
+		printk(KERN_ERR "ramoops: ioremap failed");
+		goto fail2;
+	}
+
+	cxt->dump.dump = ramoops_do_dump;
+	err = kmsg_dump_register(&cxt->dump);
+	if (err) {
+		printk(KERN_ERR "ramoops: registering kmsg dumper failed");
+		goto fail1;
+	}
+
+	return 0;
+
+fail1:
+	iounmap(cxt->virt_addr);
+fail2:
+	release_mem_region(cxt->phys_addr, cxt->size);
+fail3:
+	return err;
+}
+
+static void __exit ramoops_exit(void)
+{
+	struct ramoops_context *cxt = &oops_cxt;
+
+	if (kmsg_dump_unregister(&cxt->dump) < 0)
+		printk(KERN_WARNING "ramoops: could not unregister kmsg_dumper");
+
+	iounmap(cxt->virt_addr);
+	release_mem_region(cxt->phys_addr, cxt->size);
+}
+
+
+module_init(ramoops_init);
+module_exit(ramoops_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Marco Stornelli <marco.stornelli@gmail.com>");
+MODULE_DESCRIPTION("RAM Oops/Panic logger/driver");

From 87575437d8173c7da48a4dee25399807c7bec9cb Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:43:55 -0700
Subject: [PATCH 3401/3638] drivers/char/ppdev.c: use kasprintf

kasprintf combines kmalloc and sprintf, and takes care of the size
calculation itself.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression a,flag;
expression list args;
statement S;
@@

  a =
-  \(kmalloc\|kzalloc\)(...,flag)
+  kasprintf(flag,args)
  <... when != a
  if (a == NULL || ...) S
  ...>
- sprintf(a,args);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ppdev.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index fdd37543aa7..02abfddce45 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -287,12 +287,10 @@ static int register_device (int minor, struct pp_struct *pp)
 	char *name;
 	int fl;
 
-	name = kmalloc (strlen (CHRDEV) + 3, GFP_KERNEL);
+	name = kasprintf(GFP_KERNEL, CHRDEV "%x", minor);
 	if (name == NULL)
 		return -ENOMEM;
 
-	sprintf (name, CHRDEV "%x", minor);
-
 	port = parport_find_number (minor);
 	if (!port) {
 		printk (KERN_WARNING "%s: no associated port!\n", name);

From f67231f80126f4e08c79c7b2056989c5c89ad4c6 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:43:56 -0700
Subject: [PATCH 3402/3638] drivers/char/applicom.c: use memdup_user

Use memdup_user when user data is immediately copied into the
allocated region.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = memdup_user(from,size);
   if (
-      to==NULL
+      IS_ERR(to)
                 || ...) {
   <+... when != goto l1;
-  -ENOMEM
+  PTR_ERR(to)
   ...+>
   }
-  if (copy_from_user(to, from, size) != 0) {
-    <+... when != goto l2;
-    -EFAULT
-    ...+>
-  }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/applicom.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 63313a33ba5..f4ae0e0fb63 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -703,14 +703,9 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	/* In general, the device is only openable by root anyway, so we're not
 	   particularly concerned that bogus ioctls can flood the console. */
 
-	adgl = kmalloc(sizeof(struct st_ram_io), GFP_KERNEL);
-	if (!adgl)
-		return -ENOMEM;
-
-	if (copy_from_user(adgl, argp, sizeof(struct st_ram_io))) {
-		kfree(adgl);
-		return -EFAULT;
-	}
+	adgl = memdup_user(argp, sizeof(struct st_ram_io));
+	if (IS_ERR(adgl))
+		return PTR_ERR(adgl);
 
 	lock_kernel();	
 	IndexCard = adgl->num_card-1;

From 07590ff03935a2efbc03bc7861f20c059576a479 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:43:57 -0700
Subject: [PATCH 3403/3638] rapidio: add IDT CPS/TSI switches

Extentions to RapidIO switch support:

1. modify switch route operation declarations to allow using single
   switch-specific file for family of switches that share the same route
   table operations.

2. add standard route table operations for switches that that support
   route table manipulation registers as defined in the Rev.1.3 of RapidIO
   specification.

3. add clear-route-table operation for switches

4. add CPSxx and TSIxxx families of RapidIO switches

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/Kconfig           |   2 +
 drivers/rapidio/rio-scan.c        |  20 +++++-
 drivers/rapidio/rio.c             | 104 +++++++++++++++++++++++++++++
 drivers/rapidio/rio.h             |  20 ++++--
 drivers/rapidio/switches/Kconfig  |  28 ++++++++
 drivers/rapidio/switches/Makefile |   5 +-
 drivers/rapidio/switches/idtcps.c |  89 +++++++++++++++++++++++++
 drivers/rapidio/switches/tsi500.c |   2 +-
 drivers/rapidio/switches/tsi568.c | 106 ++++++++++++++++++++++++++++++
 drivers/rapidio/switches/tsi57x.c | 106 ++++++++++++++++++++++++++++++
 include/linux/rio.h               |   6 ++
 include/linux/rio_ids.h           |  14 ++++
 include/linux/rio_regs.h          |  14 +++-
 13 files changed, 505 insertions(+), 11 deletions(-)
 create mode 100644 drivers/rapidio/switches/Kconfig
 create mode 100644 drivers/rapidio/switches/idtcps.c
 create mode 100644 drivers/rapidio/switches/tsi568.c
 create mode 100644 drivers/rapidio/switches/tsi57x.c

diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig
index c32822ad84a..606cb172c1e 100644
--- a/drivers/rapidio/Kconfig
+++ b/drivers/rapidio/Kconfig
@@ -8,3 +8,5 @@ config RAPIDIO_DISC_TIMEOUT
 	---help---
 	  Amount of time a discovery node waits for a host to complete
 	  enumeration before giving up.
+
+source "drivers/rapidio/switches/Kconfig"
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 45415096c29..7f1a675d835 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -55,6 +55,7 @@ static int rio_mport_phys_table[] = {
 static int rio_sport_phys_table[] = {
 	RIO_EFB_PAR_EP_FREE_ID,
 	RIO_EFB_SER_EP_FREE_ID,
+	RIO_EFB_SER_EP_FREC_ID,
 	-1,
 };
 
@@ -246,10 +247,20 @@ static void rio_route_set_ops(struct rio_dev *rdev)
 			pr_debug("RIO: adding routing ops for %s\n", rio_name(rdev));
 			rdev->rswitch->add_entry = cur->add_hook;
 			rdev->rswitch->get_entry = cur->get_hook;
+			rdev->rswitch->clr_table = cur->clr_hook;
+			break;
 		}
 		cur++;
 	}
 
+	if ((cur >= end) && (rdev->pef & RIO_PEF_STD_RT)) {
+		pr_debug("RIO: adding STD routing ops for %s\n",
+			rio_name(rdev));
+		rdev->rswitch->add_entry = rio_std_route_add_entry;
+		rdev->rswitch->get_entry = rio_std_route_get_entry;
+		rdev->rswitch->clr_table = rio_std_route_clr_table;
+	}
+
 	if (!rdev->rswitch->add_entry || !rdev->rswitch->get_entry)
 		printk(KERN_ERR "RIO: missing routing ops for %s\n",
 		       rio_name(rdev));
@@ -349,7 +360,7 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
 	if (rio_is_switch(rdev)) {
 		rio_mport_read_config_32(port, destid, hopcount,
 					 RIO_SWP_INFO_CAR, &rdev->swpinfo);
-		rswitch = kmalloc(sizeof(struct rio_switch), GFP_KERNEL);
+		rswitch = kzalloc(sizeof(struct rio_switch), GFP_KERNEL);
 		if (!rswitch)
 			goto cleanup;
 		rswitch->switchid = next_switchid;
@@ -369,6 +380,10 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
 			     rdev->rswitch->switchid);
 		rio_route_set_ops(rdev);
 
+		if (do_enum && rdev->rswitch->clr_table)
+			rdev->rswitch->clr_table(port, destid, hopcount,
+						 RIO_GLOBAL_TABLE);
+
 		list_add_tail(&rswitch->node, &rio_switches);
 
 	} else
@@ -866,6 +881,9 @@ static void rio_update_route_tables(struct rio_mport *port)
 				continue;
 
 			if (RIO_INVALID_ROUTE == rswitch->route_table[destid]) {
+				/* Skip if destid ends in empty switch*/
+				if (rswitch->destid == destid)
+					continue;
 
 				sport = rio_get_swpinfo_inport(port,
 						rswitch->destid, rswitch->hopcount);
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 6395c780008..67a37921695 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -451,6 +451,110 @@ struct rio_dev *rio_get_device(u16 vid, u16 did, struct rio_dev *from)
 	return rio_get_asm(vid, did, RIO_ANY_ID, RIO_ANY_ID, from);
 }
 
+/**
+ * rio_std_route_add_entry - Add switch route table entry using standard
+ *   registers defined in RIO specification rev.1.3
+ * @mport: Master port to issue transaction
+ * @destid: Destination ID of the device
+ * @hopcount: Number of switch hops to the device
+ * @table: routing table ID (global or port-specific)
+ * @route_destid: destID entry in the RT
+ * @route_port: destination port for specified destID
+ */
+int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table, u16 route_destid, u8 route_port)
+{
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_DESTID_SEL_CSR,
+				(u32)route_destid);
+		rio_mport_write_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_PORT_SEL_CSR,
+				(u32)route_port);
+	}
+	udelay(10);
+	return 0;
+}
+
+/**
+ * rio_std_route_get_entry - Read switch route table entry (port number)
+ *   assosiated with specified destID using standard registers defined in RIO
+ *   specification rev.1.3
+ * @mport: Master port to issue transaction
+ * @destid: Destination ID of the device
+ * @hopcount: Number of switch hops to the device
+ * @table: routing table ID (global or port-specific)
+ * @route_destid: destID entry in the RT
+ * @route_port: returned destination port for specified destID
+ */
+int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table, u16 route_destid, u8 *route_port)
+{
+	u32 result;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_DESTID_SEL_CSR, route_destid);
+		rio_mport_read_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_PORT_SEL_CSR, &result);
+
+		*route_port = (u8)result;
+	}
+
+	return 0;
+}
+
+/**
+ * rio_std_route_clr_table - Clear swotch route table using standard registers
+ *   defined in RIO specification rev.1.3.
+ * @mport: Master port to issue transaction
+ * @local: Indicate a local master port or remote device access
+ * @destid: Destination ID of the device
+ * @hopcount: Number of switch hops to the device
+ * @table: routing table ID (global or port-specific)
+ */
+int rio_std_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table)
+{
+	u32 max_destid = 0xff;
+	u32 i, pef, id_inc = 1, ext_cfg = 0;
+	u32 port_sel = RIO_INVALID_ROUTE;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_read_config_32(mport, destid, hopcount,
+					 RIO_PEF_CAR, &pef);
+
+		if (mport->sys_size) {
+			rio_mport_read_config_32(mport, destid, hopcount,
+						 RIO_SWITCH_RT_LIMIT,
+						 &max_destid);
+			max_destid &= RIO_RT_MAX_DESTID;
+		}
+
+		if (pef & RIO_PEF_EXT_RT) {
+			ext_cfg = 0x80000000;
+			id_inc = 4;
+			port_sel = (RIO_INVALID_ROUTE << 24) |
+				   (RIO_INVALID_ROUTE << 16) |
+				   (RIO_INVALID_ROUTE << 8) |
+				   RIO_INVALID_ROUTE;
+		}
+
+		for (i = 0; i <= max_destid;) {
+			rio_mport_write_config_32(mport, destid, hopcount,
+					RIO_STD_RTE_CONF_DESTID_SEL_CSR,
+					ext_cfg | i);
+			rio_mport_write_config_32(mport, destid, hopcount,
+					RIO_STD_RTE_CONF_PORT_SEL_CSR,
+					port_sel);
+			i += id_inc;
+		}
+	}
+
+	udelay(10);
+	return 0;
+}
+
 static void rio_fixup_device(struct rio_dev *dev)
 {
 }
diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h
index 7786d02581f..b53c5ec276a 100644
--- a/drivers/rapidio/rio.h
+++ b/drivers/rapidio/rio.h
@@ -21,6 +21,14 @@ extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
 extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
 extern int rio_enum_mport(struct rio_mport *mport);
 extern int rio_disc_mport(struct rio_mport *mport);
+extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid,
+				   u8 hopcount, u16 table, u16 route_destid,
+				   u8 route_port);
+extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
+				   u8 hopcount, u16 table, u16 route_destid,
+				   u8 *route_port);
+extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
+				   u8 hopcount, u16 table);
 
 /* Structures internal to the RIO core code */
 extern struct device_attribute rio_dev_attrs[];
@@ -30,9 +38,9 @@ extern struct rio_route_ops __start_rio_route_ops[];
 extern struct rio_route_ops __end_rio_route_ops[];
 
 /* Helpers internal to the RIO core code */
-#define DECLARE_RIO_ROUTE_SECTION(section, vid, did, add_hook, get_hook)  \
-	static struct rio_route_ops __rio_route_ops __used   \
-	__section(section)= { vid, did, add_hook, get_hook };
+#define DECLARE_RIO_ROUTE_SECTION(section, name, vid, did, add_hook, get_hook, clr_hook) \
+	static const struct rio_route_ops __rio_route_##name __used \
+	__section(section) = { vid, did, add_hook, get_hook, clr_hook };
 
 /**
  * DECLARE_RIO_ROUTE_OPS - Registers switch routing operations
@@ -47,9 +55,9 @@ extern struct rio_route_ops __end_rio_route_ops[];
  * rio_route_ops is initialized with the ops and placed into a
  * RIO-specific kernel section.
  */
-#define DECLARE_RIO_ROUTE_OPS(vid, did, add_hook, get_hook)		\
-	DECLARE_RIO_ROUTE_SECTION(.rio_route_ops,			\
-			vid, did, add_hook, get_hook)
+#define DECLARE_RIO_ROUTE_OPS(vid, did, add_hook, get_hook, clr_hook)	\
+	DECLARE_RIO_ROUTE_SECTION(.rio_route_ops, vid##did,		\
+			vid, did, add_hook, get_hook, clr_hook)
 
 #define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
 #define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
diff --git a/drivers/rapidio/switches/Kconfig b/drivers/rapidio/switches/Kconfig
new file mode 100644
index 00000000000..6969f398bc2
--- /dev/null
+++ b/drivers/rapidio/switches/Kconfig
@@ -0,0 +1,28 @@
+#
+# RapidIO switches configuration
+#
+config RAPIDIO_TSI57X
+	bool "IDT Tsi57x SRIO switches support"
+	depends on RAPIDIO
+	---help---
+	  Includes support for ITD Tsi57x family of serial RapidIO switches.
+
+config RAPIDIO_CPS_XX
+	bool "IDT CPS-xx SRIO switches support"
+	depends on RAPIDIO
+	---help---
+	  Includes support for ITD CPS-16/12/10/8 serial RapidIO switches.
+
+config RAPIDIO_TSI568
+	bool "Tsi568 SRIO switch support"
+	depends on RAPIDIO
+	default n
+	---help---
+	  Includes support for ITD Tsi568 serial RapidIO switch.
+
+config RAPIDIO_TSI500
+	bool "Tsi500 Parallel RapidIO switch support"
+	depends on RAPIDIO
+	default n
+	---help---
+	  Includes support for ITD Tsi500 parallel RapidIO switch.
diff --git a/drivers/rapidio/switches/Makefile b/drivers/rapidio/switches/Makefile
index b924f830176..0fece0e6aa8 100644
--- a/drivers/rapidio/switches/Makefile
+++ b/drivers/rapidio/switches/Makefile
@@ -2,4 +2,7 @@
 # Makefile for RIO switches
 #
 
-obj-$(CONFIG_RAPIDIO)	+= tsi500.o
+obj-$(CONFIG_RAPIDIO_TSI57X)	+= tsi57x.o
+obj-$(CONFIG_RAPIDIO_CPS_XX)	+= idtcps.o
+obj-$(CONFIG_RAPIDIO_TSI568)	+= tsi568.o
+obj-$(CONFIG_RAPIDIO_TSI500)	+= tsi500.o
diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c
new file mode 100644
index 00000000000..7e3d03283de
--- /dev/null
+++ b/drivers/rapidio/switches/idtcps.c
@@ -0,0 +1,89 @@
+/*
+ * IDT CPS RapidIO switches support
+ *
+ * Copyright 2009 Integrated Device Technology, Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/rio.h>
+#include <linux/rio_drv.h>
+#include <linux/rio_ids.h>
+#include "../rio.h"
+
+#define CPS_NO_ROUTE 0xdf
+
+static int
+idtcps_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table, u16 route_destid, u8 route_port)
+{
+	u32 result;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_DESTID_SEL_CSR, route_destid);
+
+		rio_mport_read_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_PORT_SEL_CSR, &result);
+
+		result = (0xffffff00 & result) | (u32)route_port;
+		rio_mport_write_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_PORT_SEL_CSR, result);
+	}
+
+	return 0;
+}
+
+static int
+idtcps_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table, u16 route_destid, u8 *route_port)
+{
+	u32 result;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_DESTID_SEL_CSR, route_destid);
+
+		rio_mport_read_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_PORT_SEL_CSR, &result);
+
+		if (CPS_NO_ROUTE == (u8)result)
+			result = RIO_INVALID_ROUTE;
+
+		*route_port = (u8)result;
+	}
+
+	return 0;
+}
+
+static int
+idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table)
+{
+	u32 i;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		for (i = 0x80000000; i <= 0x800000ff;) {
+			rio_mport_write_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_DESTID_SEL_CSR, i);
+			rio_mport_write_config_32(mport, destid, hopcount,
+				RIO_STD_RTE_CONF_PORT_SEL_CSR,
+				(RIO_INVALID_ROUTE << 24) |
+				(RIO_INVALID_ROUTE << 16) |
+				(RIO_INVALID_ROUTE << 8) | RIO_INVALID_ROUTE);
+			i += 4;
+		}
+	}
+
+	return 0;
+}
+
+DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS6Q, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS8, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS10Q, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS12, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS16, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDT70K200, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
diff --git a/drivers/rapidio/switches/tsi500.c b/drivers/rapidio/switches/tsi500.c
index c77c23bd984..ae553bb4108 100644
--- a/drivers/rapidio/switches/tsi500.c
+++ b/drivers/rapidio/switches/tsi500.c
@@ -57,4 +57,4 @@ tsi500_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 tab
 	return ret;
 }
 
-DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI500, tsi500_route_add_entry, tsi500_route_get_entry);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI500, tsi500_route_add_entry, tsi500_route_get_entry, NULL);
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c
new file mode 100644
index 00000000000..bce9112ff0d
--- /dev/null
+++ b/drivers/rapidio/switches/tsi568.c
@@ -0,0 +1,106 @@
+/*
+ * RapidIO Tsi568 switch support
+ *
+ * Copyright 2009-2010 Integrated Device Technology, Inc.
+ * Copyright 2005 MontaVista Software, Inc.
+ * Matt Porter <mporter@kernel.crashing.org>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/rio.h>
+#include <linux/rio_drv.h>
+#include <linux/rio_ids.h>
+#include <linux/delay.h>
+#include "../rio.h"
+
+/* Global (broadcast) route registers */
+#define SPBC_ROUTE_CFG_DESTID	0x10070
+#define SPBC_ROUTE_CFG_PORT	0x10074
+
+/* Per port route registers */
+#define SPP_ROUTE_CFG_DESTID(n)	(0x11070 + 0x100*n)
+#define SPP_ROUTE_CFG_PORT(n)	(0x11074 + 0x100*n)
+
+static int
+tsi568_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table, u16 route_destid, u8 route_port)
+{
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+					SPBC_ROUTE_CFG_DESTID, route_destid);
+		rio_mport_write_config_32(mport, destid, hopcount,
+					SPBC_ROUTE_CFG_PORT, route_port);
+	} else {
+		rio_mport_write_config_32(mport, destid, hopcount,
+					SPP_ROUTE_CFG_DESTID(table),
+					route_destid);
+		rio_mport_write_config_32(mport, destid, hopcount,
+					SPP_ROUTE_CFG_PORT(table), route_port);
+	}
+
+	udelay(10);
+
+	return 0;
+}
+
+static int
+tsi568_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table, u16 route_destid, u8 *route_port)
+{
+	int ret = 0;
+	u32 result;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+					SPBC_ROUTE_CFG_DESTID, route_destid);
+		rio_mport_read_config_32(mport, destid, hopcount,
+					SPBC_ROUTE_CFG_PORT, &result);
+	} else {
+		rio_mport_write_config_32(mport, destid, hopcount,
+					SPP_ROUTE_CFG_DESTID(table),
+					route_destid);
+		rio_mport_read_config_32(mport, destid, hopcount,
+					SPP_ROUTE_CFG_PORT(table), &result);
+	}
+
+	*route_port = result;
+	if (*route_port > 15)
+		ret = -1;
+
+	return ret;
+}
+
+static int
+tsi568_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table)
+{
+	u32 route_idx;
+	u32 lut_size;
+
+	lut_size = (mport->sys_size) ? 0x1ff : 0xff;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+					SPBC_ROUTE_CFG_DESTID, 0x80000000);
+		for (route_idx = 0; route_idx <= lut_size; route_idx++)
+			rio_mport_write_config_32(mport, destid, hopcount,
+						SPBC_ROUTE_CFG_PORT,
+						RIO_INVALID_ROUTE);
+	} else {
+		rio_mport_write_config_32(mport, destid, hopcount,
+					SPP_ROUTE_CFG_DESTID(table),
+					0x80000000);
+		for (route_idx = 0; route_idx <= lut_size; route_idx++)
+			rio_mport_write_config_32(mport, destid, hopcount,
+						SPP_ROUTE_CFG_PORT(table),
+						RIO_INVALID_ROUTE);
+	}
+
+	return 0;
+}
+
+DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_route_add_entry, tsi568_route_get_entry, tsi568_route_clr_table);
diff --git a/drivers/rapidio/switches/tsi57x.c b/drivers/rapidio/switches/tsi57x.c
new file mode 100644
index 00000000000..5ad7880787c
--- /dev/null
+++ b/drivers/rapidio/switches/tsi57x.c
@@ -0,0 +1,106 @@
+/*
+ * RapidIO Tsi57x switch family support
+ *
+ * Copyright 2009 Integrated Device Technology, Inc.
+ * Copyright 2005 MontaVista Software, Inc.
+ * Matt Porter <mporter@kernel.crashing.org>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/rio.h>
+#include <linux/rio_drv.h>
+#include <linux/rio_ids.h>
+#include <linux/delay.h>
+#include "../rio.h"
+
+/* Global (broadcast) route registers */
+#define SPBC_ROUTE_CFG_DESTID	0x10070
+#define SPBC_ROUTE_CFG_PORT	0x10074
+
+/* Per port route registers */
+#define SPP_ROUTE_CFG_DESTID(n)	(0x11070 + 0x100*n)
+#define SPP_ROUTE_CFG_PORT(n)	(0x11074 + 0x100*n)
+
+static int
+tsi57x_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table, u16 route_destid, u8 route_port)
+{
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+					  SPBC_ROUTE_CFG_DESTID, route_destid);
+		rio_mport_write_config_32(mport, destid, hopcount,
+					  SPBC_ROUTE_CFG_PORT, route_port);
+	} else {
+		rio_mport_write_config_32(mport, destid, hopcount,
+				SPP_ROUTE_CFG_DESTID(table), route_destid);
+		rio_mport_write_config_32(mport, destid, hopcount,
+				SPP_ROUTE_CFG_PORT(table), route_port);
+	}
+
+	udelay(10);
+
+	return 0;
+}
+
+static int
+tsi57x_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table, u16 route_destid, u8 *route_port)
+{
+	int ret = 0;
+	u32 result;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		/* Use local RT of the ingress port to avoid possible
+		   race condition */
+		rio_mport_read_config_32(mport, destid, hopcount,
+			RIO_SWP_INFO_CAR, &result);
+		table = (result & RIO_SWP_INFO_PORT_NUM_MASK);
+	}
+
+	rio_mport_write_config_32(mport, destid, hopcount,
+				SPP_ROUTE_CFG_DESTID(table), route_destid);
+	rio_mport_read_config_32(mport, destid, hopcount,
+				SPP_ROUTE_CFG_PORT(table), &result);
+
+	*route_port = (u8)result;
+	if (*route_port > 15)
+		ret = -1;
+
+	return ret;
+}
+
+static int
+tsi57x_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u16 table)
+{
+	u32 route_idx;
+	u32 lut_size;
+
+	lut_size = (mport->sys_size) ? 0x1ff : 0xff;
+
+	if (table == RIO_GLOBAL_TABLE) {
+		rio_mport_write_config_32(mport, destid, hopcount,
+					  SPBC_ROUTE_CFG_DESTID, 0x80000000);
+		for (route_idx = 0; route_idx <= lut_size; route_idx++)
+			rio_mport_write_config_32(mport, destid, hopcount,
+						  SPBC_ROUTE_CFG_PORT,
+						  RIO_INVALID_ROUTE);
+	} else {
+		rio_mport_write_config_32(mport, destid, hopcount,
+				SPP_ROUTE_CFG_DESTID(table), 0x80000000);
+		for (route_idx = 0; route_idx <= lut_size; route_idx++)
+			rio_mport_write_config_32(mport, destid, hopcount,
+				SPP_ROUTE_CFG_PORT(table) , RIO_INVALID_ROUTE);
+	}
+
+	return 0;
+}
+
+DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI572, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI574, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI577, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
+DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI578, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
diff --git a/include/linux/rio.h b/include/linux/rio.h
index dc0c75556c6..29d98997c6c 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -213,6 +213,7 @@ struct rio_net {
  * @route_table: Copy of switch routing table
  * @add_entry: Callback for switch-specific route add function
  * @get_entry: Callback for switch-specific route get function
+ * @clr_table: Callback for switch-specific clear route table function
  */
 struct rio_switch {
 	struct list_head node;
@@ -224,6 +225,8 @@ struct rio_switch {
 			  u16 table, u16 route_destid, u8 route_port);
 	int (*get_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
 			  u16 table, u16 route_destid, u8 * route_port);
+	int (*clr_table) (struct rio_mport *mport, u16 destid, u8 hopcount,
+			  u16 table);
 };
 
 /* Low-level architecture-dependent routines */
@@ -307,6 +310,7 @@ struct rio_device_id {
  * @did: RIO device ID
  * @add_hook: Callback that adds a route entry
  * @get_hook: Callback that gets a route entry
+ * @clr_hook: Callback that clears a switch route table (may be NULL)
  *
  * Defines the operations that are necessary to manipulate the route
  * tables for a particular RIO switch device.
@@ -317,6 +321,8 @@ struct rio_route_ops {
 			 u16 table, u16 route_destid, u8 route_port);
 	int (*get_hook) (struct rio_mport * mport, u16 destid, u8 hopcount,
 			 u16 table, u16 route_destid, u8 * route_port);
+	int (*clr_hook) (struct rio_mport *mport, u16 destid, u8 hopcount,
+			 u16 table);
 };
 
 /* Architecture and hardware-specific functions */
diff --git a/include/linux/rio_ids.h b/include/linux/rio_ids.h
index 919d4e07d54..db50e1c288b 100644
--- a/include/linux/rio_ids.h
+++ b/include/linux/rio_ids.h
@@ -20,5 +20,19 @@
 
 #define RIO_VID_TUNDRA			0x000d
 #define RIO_DID_TSI500			0x0500
+#define RIO_DID_TSI568			0x0568
+#define RIO_DID_TSI572			0x0572
+#define RIO_DID_TSI574			0x0574
+#define RIO_DID_TSI576			0x0578 /* Same ID as Tsi578 */
+#define RIO_DID_TSI577			0x0577
+#define RIO_DID_TSI578			0x0578
+
+#define RIO_VID_IDT			0x0038
+#define RIO_DID_IDT70K200		0x0310
+#define RIO_DID_IDTCPS8			0x035c
+#define RIO_DID_IDTCPS12		0x035d
+#define RIO_DID_IDTCPS16		0x035b
+#define RIO_DID_IDTCPS6Q		0x035f
+#define RIO_DID_IDTCPS10Q		0x035e
 
 #endif				/* LINUX_RIO_IDS_H */
diff --git a/include/linux/rio_regs.h b/include/linux/rio_regs.h
index 326540f9b54..4bfb0dcfac7 100644
--- a/include/linux/rio_regs.h
+++ b/include/linux/rio_regs.h
@@ -39,6 +39,8 @@
 #define  RIO_PEF_INB_MBOX2		0x00200000	/* [II] Mailbox 2 */
 #define  RIO_PEF_INB_MBOX3		0x00100000	/* [II] Mailbox 3 */
 #define  RIO_PEF_INB_DOORBELL		0x00080000	/* [II] Doorbells */
+#define  RIO_PEF_EXT_RT			0x00000200	/* [III, 1.3] Extended route table support */
+#define  RIO_PEF_STD_RT			0x00000100	/* [III, 1.3] Standard route table support */
 #define  RIO_PEF_CTLS			0x00000010	/* [III] CTLS */
 #define  RIO_PEF_EXT_FEATURES		0x00000008	/* [I] EFT_PTR valid */
 #define  RIO_PEF_ADDR_66		0x00000004	/* [I] 66 bits */
@@ -91,7 +93,10 @@
 #define  RIO_OPS_ATOMIC_CLR		0x00000010	/* [I] Atomic clr op */
 #define  RIO_OPS_PORT_WRITE		0x00000004	/* [I] Port-write op */
 
-					/* 0x20-0x3c *//* Reserved */
+					/* 0x20-0x30 *//* Reserved */
+
+#define	RIO_SWITCH_RT_LIMIT	0x34	/* [III, 1.3] Switch Route Table Destination ID Limit CAR */
+#define	 RIO_RT_MAX_DESTID		0x0000ffff
 
 #define RIO_MBOX_CSR		0x40	/* [II] Mailbox CSR */
 #define  RIO_MBOX0_AVAIL		0x80000000	/* [II] Mbox 0 avail */
@@ -153,7 +158,11 @@
 #define RIO_HOST_DID_LOCK_CSR	0x68	/* [III] Host Base Device ID Lock CSR */
 #define RIO_COMPONENT_TAG_CSR	0x6c	/* [III] Component Tag CSR */
 
-					/* 0x70-0xf8 *//* Reserved */
+#define RIO_STD_RTE_CONF_DESTID_SEL_CSR	0x70
+#define RIO_STD_RTE_CONF_PORT_SEL_CSR	0x74
+#define RIO_STD_RTE_DEFAULT_PORT	0x78
+
+					/* 0x7c-0xf8 *//* Reserved */
 					/* 0x100-0xfff8 *//* [I] Extended Features Space */
 					/* 0x10000-0xfffff8 *//* [I] Implementation-defined Space */
 
@@ -186,6 +195,7 @@
 #define RIO_EFB_SER_EP_ID	0x0004	/* [VI] LP/Serial EP Devices */
 #define RIO_EFB_SER_EP_REC_ID	0x0005	/* [VI] LP/Serial EP Recovery Devices */
 #define RIO_EFB_SER_EP_FREE_ID	0x0006	/* [VI] LP/Serial EP Free Devices */
+#define RIO_EFB_SER_EP_FREC_ID	0x0009  /* [VI] LP/Serial EP Free Recovery Devices */
 
 /*
  * Physical 8/16 LP-LVDS

From 818a04a0bb93643d57dd8935815de2ff307b58a3 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:43:58 -0700
Subject: [PATCH 3404/3638] rapidio: add switch locking during discovery

Add switch access locking during RapidIO discovery.  Access lock is
required when reading switch routing table contents due to indexed
mechanism of RT addressing.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/rio-scan.c | 164 ++++++++++++++++++++++++++++++++-----
 1 file changed, 144 insertions(+), 20 deletions(-)

diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 7f1a675d835..cbf0d5f4fba 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -456,6 +456,80 @@ rio_sport_is_active(struct rio_mport *port, u16 destid, u8 hopcount, int sport)
 	return (result & PORT_N_ERR_STS_PORT_OK);
 }
 
+/**
+ * rio_lock_device - Acquires host device lock for specified device
+ * @port: Master port to send transaction
+ * @destid: Destination ID for device/switch
+ * @hopcount: Hopcount to reach switch
+ * @wait_ms: Max wait time in msec (0 = no timeout)
+ *
+ * Attepts to acquire host device lock for specified device
+ * Returns 0 if device lock acquired or EINVAL if timeout expires.
+ */
+static int
+rio_lock_device(struct rio_mport *port, u16 destid, u8 hopcount, int wait_ms)
+{
+	u32 result;
+	int tcnt = 0;
+
+	/* Attempt to acquire device lock */
+	rio_mport_write_config_32(port, destid, hopcount,
+				  RIO_HOST_DID_LOCK_CSR, port->host_deviceid);
+	rio_mport_read_config_32(port, destid, hopcount,
+				 RIO_HOST_DID_LOCK_CSR, &result);
+
+	while (result != port->host_deviceid) {
+		if (wait_ms != 0 && tcnt == wait_ms) {
+			pr_debug("RIO: timeout when locking device %x:%x\n",
+				destid, hopcount);
+			return -EINVAL;
+		}
+
+		/* Delay a bit */
+		mdelay(1);
+		tcnt++;
+		/* Try to acquire device lock again */
+		rio_mport_write_config_32(port, destid,
+			hopcount,
+			RIO_HOST_DID_LOCK_CSR,
+			port->host_deviceid);
+		rio_mport_read_config_32(port, destid,
+			hopcount,
+			RIO_HOST_DID_LOCK_CSR, &result);
+	}
+
+	return 0;
+}
+
+/**
+ * rio_unlock_device - Releases host device lock for specified device
+ * @port: Master port to send transaction
+ * @destid: Destination ID for device/switch
+ * @hopcount: Hopcount to reach switch
+ *
+ * Returns 0 if device lock released or EINVAL if fails.
+ */
+static int
+rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount)
+{
+	u32 result;
+
+	/* Release device lock */
+	rio_mport_write_config_32(port, destid,
+				  hopcount,
+				  RIO_HOST_DID_LOCK_CSR,
+				  port->host_deviceid);
+	rio_mport_read_config_32(port, destid, hopcount,
+		RIO_HOST_DID_LOCK_CSR, &result);
+	if ((result & 0xffff) != 0xffff) {
+		pr_debug("RIO: badness when releasing device lock %x:%x\n",
+			 destid, hopcount);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 /**
  * rio_route_add_entry- Add a route entry to a switch routing table
  * @mport: Master port to send transaction
@@ -463,6 +537,7 @@ rio_sport_is_active(struct rio_mport *port, u16 destid, u8 hopcount, int sport)
  * @table: Routing table ID
  * @route_destid: Destination ID to be routed
  * @route_port: Port number to be routed
+ * @lock: lock switch device flag
  *
  * Calls the switch specific add_entry() method to add a route entry
  * on a switch. The route table can be specified using the @table
@@ -471,12 +546,26 @@ rio_sport_is_active(struct rio_mport *port, u16 destid, u8 hopcount, int sport)
  * %RIO_GLOBAL_TABLE in @table. Returns %0 on success or %-EINVAL
  * on failure.
  */
-static int rio_route_add_entry(struct rio_mport *mport, struct rio_switch *rswitch,
-			       u16 table, u16 route_destid, u8 route_port)
+static int
+rio_route_add_entry(struct rio_mport *mport, struct rio_switch *rswitch,
+		    u16 table, u16 route_destid, u8 route_port, int lock)
 {
-	return rswitch->add_entry(mport, rswitch->destid,
+	int rc;
+
+	if (lock) {
+		rc = rio_lock_device(mport, rswitch->destid,
+				     rswitch->hopcount, 1000);
+		if (rc)
+			return rc;
+	}
+
+	rc = rswitch->add_entry(mport, rswitch->destid,
 					rswitch->hopcount, table,
 					route_destid, route_port);
+	if (lock)
+		rio_unlock_device(mport, rswitch->destid, rswitch->hopcount);
+
+	return rc;
 }
 
 /**
@@ -486,6 +575,7 @@ static int rio_route_add_entry(struct rio_mport *mport, struct rio_switch *rswit
  * @table: Routing table ID
  * @route_destid: Destination ID to be routed
  * @route_port: Pointer to read port number into
+ * @lock: lock switch device flag
  *
  * Calls the switch specific get_entry() method to read a route entry
  * in a switch. The route table can be specified using the @table
@@ -496,11 +586,24 @@ static int rio_route_add_entry(struct rio_mport *mport, struct rio_switch *rswit
  */
 static int
 rio_route_get_entry(struct rio_mport *mport, struct rio_switch *rswitch, u16 table,
-		    u16 route_destid, u8 * route_port)
+		    u16 route_destid, u8 *route_port, int lock)
 {
-	return rswitch->get_entry(mport, rswitch->destid,
+	int rc;
+
+	if (lock) {
+		rc = rio_lock_device(mport, rswitch->destid,
+				     rswitch->hopcount, 1000);
+		if (rc)
+			return rc;
+	}
+
+	rc = rswitch->get_entry(mport, rswitch->destid,
 					rswitch->hopcount, table,
 					route_destid, route_port);
+	if (lock)
+		rio_unlock_device(mport, rswitch->destid, rswitch->hopcount);
+
+	return rc;
 }
 
 /**
@@ -640,14 +743,14 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
 		sw_inport = rio_get_swpinfo_inport(port,
 				RIO_ANY_DESTID(port->sys_size), hopcount);
 		rio_route_add_entry(port, rdev->rswitch, RIO_GLOBAL_TABLE,
-				    port->host_deviceid, sw_inport);
+				    port->host_deviceid, sw_inport, 0);
 		rdev->rswitch->route_table[port->host_deviceid] = sw_inport;
 
 		for (destid = 0; destid < next_destid; destid++) {
 			if (destid == port->host_deviceid)
 				continue;
 			rio_route_add_entry(port, rdev->rswitch, RIO_GLOBAL_TABLE,
-					    destid, sw_inport);
+					    destid, sw_inport, 0);
 			rdev->rswitch->route_table[destid] = sw_inport;
 		}
 
@@ -673,7 +776,7 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
 				rio_route_add_entry(port, rdev->rswitch,
 						RIO_GLOBAL_TABLE,
 						RIO_ANY_DESTID(port->sys_size),
-						port_num);
+						port_num, 0);
 
 				if (rio_enum_peer(net, port, hopcount + 1) < 0)
 					return -1;
@@ -687,7 +790,8 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
 						rio_route_add_entry(port, rdev->rswitch,
 								    RIO_GLOBAL_TABLE,
 								    destid,
-								    port_num);
+								    port_num,
+								    0);
 						rdev->rswitch->
 						    route_table[destid] =
 						    port_num;
@@ -778,17 +882,21 @@ rio_disc_peer(struct rio_net *net, struct rio_mport *port, u16 destid,
 				pr_debug(
 				    "RIO: scanning device on port %d\n",
 				    port_num);
+
+				rio_lock_device(port, destid, hopcount, 1000);
+
 				for (ndestid = 0;
 				     ndestid < RIO_ANY_DESTID(port->sys_size);
 				     ndestid++) {
 					rio_route_get_entry(port, rdev->rswitch,
 							    RIO_GLOBAL_TABLE,
 							    ndestid,
-							    &route_port);
+							    &route_port, 0);
 					if (route_port == port_num)
 						break;
 				}
 
+				rio_unlock_device(port, destid, hopcount);
 				if (rio_disc_peer
 				    (net, port, ndestid, hopcount + 1) < 0)
 					return -1;
@@ -889,7 +997,9 @@ static void rio_update_route_tables(struct rio_mport *port)
 						rswitch->destid, rswitch->hopcount);
 
 				if (rswitch->add_entry)	{
-					rio_route_add_entry(port, rswitch, RIO_GLOBAL_TABLE, destid, sport);
+					rio_route_add_entry(port, rswitch,
+						RIO_GLOBAL_TABLE, destid,
+						sport, 0);
 					rswitch->route_table[destid] = sport;
 				}
 			}
@@ -963,15 +1073,22 @@ static void rio_build_route_tables(void)
 	u8 sport;
 
 	list_for_each_entry(rdev, &rio_devices, global_list)
-	    if (rio_is_switch(rdev))
-		for (i = 0;
-		     i < RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size);
-		     i++) {
-			if (rio_route_get_entry
-			    (rdev->net->hport, rdev->rswitch, RIO_GLOBAL_TABLE,
-			     i, &sport) < 0)
-				continue;
-			rdev->rswitch->route_table[i] = sport;
+		if (rio_is_switch(rdev)) {
+			rio_lock_device(rdev->net->hport, rdev->rswitch->destid,
+					rdev->rswitch->hopcount, 1000);
+			for (i = 0;
+			     i < RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size);
+			     i++) {
+				if (rio_route_get_entry
+				    (rdev->net->hport, rdev->rswitch,
+				     RIO_GLOBAL_TABLE, i, &sport, 0) < 0)
+					continue;
+				rdev->rswitch->route_table[i] = sport;
+			}
+
+			rio_unlock_device(rdev->net->hport,
+					  rdev->rswitch->destid,
+					  rdev->rswitch->hopcount);
 		}
 }
 
@@ -1030,6 +1147,13 @@ int __devinit rio_disc_mport(struct rio_mport *mport)
 		del_timer_sync(&rio_enum_timer);
 
 		pr_debug("done\n");
+
+		/* Read DestID assigned by enumerator */
+		rio_local_read_config_32(mport, RIO_DID_CSR,
+					 &mport->host_deviceid);
+		mport->host_deviceid = RIO_GET_DID(mport->sys_size,
+						   mport->host_deviceid);
+
 		if (rio_disc_peer(net, mport, RIO_ANY_DESTID(mport->sys_size),
 					0) < 0) {
 			printk(KERN_INFO

From e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:43:59 -0700
Subject: [PATCH 3405/3638] rapidio: add Port-Write handling for EM

Add RapidIO Port-Write message handling in the context of Error
   Management Extensions Specification Rev.1.3.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/powerpc/sysdev/fsl_rio.c     |   2 +-
 drivers/rapidio/rio-scan.c        | 166 +++++++++++----
 drivers/rapidio/rio.c             | 328 ++++++++++++++++++++++++++++++
 drivers/rapidio/rio.h             |  30 +++
 drivers/rapidio/switches/tsi568.c |  24 +++
 drivers/rapidio/switches/tsi57x.c | 153 ++++++++++++++
 include/asm-generic/vmlinux.lds.h |   5 +-
 include/linux/rio.h               |  42 ++++
 include/linux/rio_drv.h           |   6 +
 include/linux/rio_regs.h          |  61 +++++-
 10 files changed, 776 insertions(+), 41 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 6a1fde0d22b..cb0d74927f0 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1057,7 +1057,7 @@ int fsl_rio_setup(struct of_device *dev)
 	dev_info(&dev->dev, "LAW start 0x%016llx, size 0x%016llx.\n",
 			law_start, law_size);
 
-	ops = kmalloc(sizeof(struct rio_ops), GFP_KERNEL);
+	ops = kzalloc(sizeof(struct rio_ops), GFP_KERNEL);
 	if (!ops) {
 		rc = -ENOMEM;
 		goto err_ops;
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index cbf0d5f4fba..74633cc6b2e 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -4,6 +4,10 @@
  * Copyright 2005 MontaVista Software, Inc.
  * Matt Porter <mporter@kernel.crashing.org>
  *
+ * Copyright 2009 Integrated Device Technology, Inc.
+ * Alex Bounine <alexandre.bounine@idt.com>
+ * - Added Port-Write/Error Management initialization and handling
+ *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
  * Free Software Foundation;  either version 2 of the  License, or (at your
@@ -31,15 +35,16 @@
 LIST_HEAD(rio_devices);
 static LIST_HEAD(rio_switches);
 
-#define RIO_ENUM_CMPL_MAGIC	0xdeadbeef
-
 static void rio_enum_timeout(unsigned long);
 
+static void rio_init_em(struct rio_dev *rdev);
+
 DEFINE_SPINLOCK(rio_global_list_lock);
 
 static int next_destid = 0;
 static int next_switchid = 0;
 static int next_net = 0;
+static int next_comptag;
 
 static struct timer_list rio_enum_timer =
 TIMER_INITIALIZER(rio_enum_timeout, 0, 0);
@@ -52,13 +57,6 @@ static int rio_mport_phys_table[] = {
 	-1,
 };
 
-static int rio_sport_phys_table[] = {
-	RIO_EFB_PAR_EP_FREE_ID,
-	RIO_EFB_SER_EP_FREE_ID,
-	RIO_EFB_SER_EP_FREC_ID,
-	-1,
-};
-
 /**
  * rio_get_device_id - Get the base/extended device id for a device
  * @port: RIO master port
@@ -119,12 +117,26 @@ static int rio_clear_locks(struct rio_mport *port)
 	u32 result;
 	int ret = 0;
 
-	/* Write component tag CSR magic complete value */
-	rio_local_write_config_32(port, RIO_COMPONENT_TAG_CSR,
-				  RIO_ENUM_CMPL_MAGIC);
-	list_for_each_entry(rdev, &rio_devices, global_list)
-	    rio_write_config_32(rdev, RIO_COMPONENT_TAG_CSR,
-				RIO_ENUM_CMPL_MAGIC);
+	/* Assign component tag to all devices */
+	next_comptag = 1;
+	rio_local_write_config_32(port, RIO_COMPONENT_TAG_CSR, next_comptag++);
+
+	list_for_each_entry(rdev, &rio_devices, global_list) {
+		/* Mark device as discovered */
+		rio_read_config_32(rdev,
+				   rdev->phys_efptr + RIO_PORT_GEN_CTL_CSR,
+				   &result);
+		rio_write_config_32(rdev,
+				    rdev->phys_efptr + RIO_PORT_GEN_CTL_CSR,
+				    result | RIO_PORT_GEN_DISCOVERED);
+
+		rio_write_config_32(rdev, RIO_COMPONENT_TAG_CSR, next_comptag);
+		rdev->comp_tag = next_comptag++;
+		if (next_comptag >= 0x10000) {
+			pr_err("RIO: Component Tag Counter Overflow\n");
+			break;
+		}
+	}
 
 	/* Release host device id locks */
 	rio_local_write_config_32(port, RIO_HOST_DID_LOCK_CSR,
@@ -266,6 +278,30 @@ static void rio_route_set_ops(struct rio_dev *rdev)
 		       rio_name(rdev));
 }
 
+/**
+ * rio_em_set_ops- Sets Error Managment operations for a particular vendor switch
+ * @rdev: RIO device
+ *
+ * Searches the RIO EM ops table for known switch types. If the vid
+ * and did match a switch table entry, then set the em_init() and
+ * em_handle() ops to the table entry values.
+ */
+static void rio_em_set_ops(struct rio_dev *rdev)
+{
+	struct rio_em_ops *cur = __start_rio_em_ops;
+	struct rio_em_ops *end = __end_rio_em_ops;
+
+	while (cur < end) {
+		if ((cur->vid == rdev->vid) && (cur->did == rdev->did)) {
+			pr_debug("RIO: adding EM ops for %s\n", rio_name(rdev));
+			rdev->rswitch->em_init = cur->init_hook;
+			rdev->rswitch->em_handle = cur->handler_hook;
+			break;
+		}
+		cur++;
+	}
+}
+
 /**
  * rio_add_device- Adds a RIO device to the device model
  * @rdev: RIO device
@@ -336,8 +372,14 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
 	rdev->asm_rev = result >> 16;
 	rio_mport_read_config_32(port, destid, hopcount, RIO_PEF_CAR,
 				 &rdev->pef);
-	if (rdev->pef & RIO_PEF_EXT_FEATURES)
+	if (rdev->pef & RIO_PEF_EXT_FEATURES) {
 		rdev->efptr = result & 0xffff;
+		rdev->phys_efptr = rio_mport_get_physefb(port, 0, destid,
+							 hopcount);
+
+		rdev->em_efptr = rio_mport_get_feature(port, 0, destid,
+						hopcount, RIO_EFB_ERR_MGMNT);
+	}
 
 	rio_mport_read_config_32(port, destid, hopcount, RIO_SRC_OPS_CAR,
 				 &rdev->src_ops);
@@ -366,6 +408,7 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
 		rswitch->switchid = next_switchid;
 		rswitch->hopcount = hopcount;
 		rswitch->destid = destid;
+		rswitch->port_ok = 0;
 		rswitch->route_table = kzalloc(sizeof(u8)*
 					RIO_MAX_ROUTE_ENTRIES(port->sys_size),
 					GFP_KERNEL);
@@ -379,6 +422,7 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
 		dev_set_name(&rdev->dev, "%02x:s:%04x", rdev->net->id,
 			     rdev->rswitch->switchid);
 		rio_route_set_ops(rdev);
+		rio_em_set_ops(rdev);
 
 		if (do_enum && rdev->rswitch->clr_table)
 			rdev->rswitch->clr_table(port, destid, hopcount,
@@ -429,23 +473,29 @@ cleanup:
  *
  * Reads the port error status CSR for a particular switch port to
  * determine if the port has an active link.  Returns
- * %PORT_N_ERR_STS_PORT_OK if the port is active or %0 if it is
+ * %RIO_PORT_N_ERR_STS_PORT_OK if the port is active or %0 if it is
  * inactive.
  */
 static int
 rio_sport_is_active(struct rio_mport *port, u16 destid, u8 hopcount, int sport)
 {
-	u32 result;
+	u32 result = 0;
 	u32 ext_ftr_ptr;
 
-	int *entry = rio_sport_phys_table;
-
-	do {
-		if ((ext_ftr_ptr =
-		     rio_mport_get_feature(port, 0, destid, hopcount, *entry)))
+	ext_ftr_ptr = rio_mport_get_efb(port, 0, destid, hopcount, 0);
 
+	while (ext_ftr_ptr) {
+		rio_mport_read_config_32(port, destid, hopcount,
+					 ext_ftr_ptr, &result);
+		result = RIO_GET_BLOCK_ID(result);
+		if ((result == RIO_EFB_SER_EP_FREE_ID) ||
+		    (result == RIO_EFB_SER_EP_FREE_ID_V13P) ||
+		    (result == RIO_EFB_SER_EP_FREC_ID))
 			break;
-	} while (*++entry >= 0);
+
+		ext_ftr_ptr = rio_mport_get_efb(port, 0, destid, hopcount,
+						ext_ftr_ptr);
+	}
 
 	if (ext_ftr_ptr)
 		rio_mport_read_config_32(port, destid, hopcount,
@@ -453,7 +503,7 @@ rio_sport_is_active(struct rio_mport *port, u16 destid, u8 hopcount, int sport)
 					 RIO_PORT_N_ERR_STS_CSR(sport),
 					 &result);
 
-	return (result & PORT_N_ERR_STS_PORT_OK);
+	return result & RIO_PORT_N_ERR_STS_PORT_OK;
 }
 
 /**
@@ -762,8 +812,10 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
 		    rio_name(rdev), rdev->vid, rdev->did, num_ports);
 		sw_destid = next_destid;
 		for (port_num = 0; port_num < num_ports; port_num++) {
-			if (sw_inport == port_num)
+			if (sw_inport == port_num) {
+				rdev->rswitch->port_ok |= (1 << port_num);
 				continue;
+			}
 
 			cur_destid = next_destid;
 
@@ -773,6 +825,7 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
 				pr_debug(
 				    "RIO: scanning device on port %d\n",
 				    port_num);
+				rdev->rswitch->port_ok |= (1 << port_num);
 				rio_route_add_entry(port, rdev->rswitch,
 						RIO_GLOBAL_TABLE,
 						RIO_ANY_DESTID(port->sys_size),
@@ -797,9 +850,28 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
 						    port_num;
 					}
 				}
+			} else {
+				/* If switch supports Error Management,
+				 * set PORT_LOCKOUT bit for unused port
+				 */
+				if (rdev->em_efptr)
+					rio_set_port_lockout(rdev, port_num, 1);
+
+				rdev->rswitch->port_ok &= ~(1 << port_num);
 			}
 		}
 
+		/* Direct Port-write messages to the enumeratiing host */
+		if ((rdev->src_ops & RIO_SRC_OPS_PORT_WRITE) &&
+		    (rdev->em_efptr)) {
+			rio_write_config_32(rdev,
+					rdev->em_efptr + RIO_EM_PW_TGT_DEVID,
+					(port->host_deviceid << 16) |
+					(port->sys_size << 15));
+		}
+
+		rio_init_em(rdev);
+
 		/* Check for empty switch */
 		if (next_destid == sw_destid) {
 			next_destid++;
@@ -819,21 +891,16 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
  * rio_enum_complete- Tests if enumeration of a network is complete
  * @port: Master port to send transaction
  *
- * Tests the Component Tag CSR for presence of the magic enumeration
- * complete flag. Return %1 if enumeration is complete or %0 if
+ * Tests the Component Tag CSR for non-zero value (enumeration
+ * complete flag). Return %1 if enumeration is complete or %0 if
  * enumeration is incomplete.
  */
 static int rio_enum_complete(struct rio_mport *port)
 {
 	u32 tag_csr;
-	int ret = 0;
 
 	rio_local_read_config_32(port, RIO_COMPONENT_TAG_CSR, &tag_csr);
-
-	if (tag_csr == RIO_ENUM_CMPL_MAGIC)
-		ret = 1;
-
-	return ret;
+	return (tag_csr & 0xffff) ? 1 : 0;
 }
 
 /**
@@ -915,7 +982,7 @@ rio_disc_peer(struct rio_net *net, struct rio_mport *port, u16 destid,
  *
  * Reads the port error status CSR for the master port to
  * determine if the port has an active link.  Returns
- * %PORT_N_ERR_STS_PORT_OK if the  master port is active
+ * %RIO_PORT_N_ERR_STS_PORT_OK if the  master port is active
  * or %0 if it is inactive.
  */
 static int rio_mport_is_active(struct rio_mport *port)
@@ -936,7 +1003,7 @@ static int rio_mport_is_active(struct rio_mport *port)
 					 RIO_PORT_N_ERR_STS_CSR(port->index),
 					 &result);
 
-	return (result & PORT_N_ERR_STS_PORT_OK);
+	return result & RIO_PORT_N_ERR_STS_PORT_OK;
 }
 
 /**
@@ -1007,6 +1074,32 @@ static void rio_update_route_tables(struct rio_mport *port)
 	}
 }
 
+/**
+ * rio_init_em - Initializes RIO Error Management (for switches)
+ * @port: Master port associated with the RIO network
+ *
+ * For each enumerated switch, call device-specific error management
+ * initialization routine (if supplied by the switch driver).
+ */
+static void rio_init_em(struct rio_dev *rdev)
+{
+	if (rio_is_switch(rdev) && (rdev->em_efptr) &&
+	    (rdev->rswitch->em_init)) {
+		rdev->rswitch->em_init(rdev);
+	}
+}
+
+/**
+ * rio_pw_enable - Enables/disables port-write handling by a master port
+ * @port: Master port associated with port-write handling
+ * @enable:  1=enable,  0=disable
+ */
+static void rio_pw_enable(struct rio_mport *port, int enable)
+{
+	if (port->ops->pwenable)
+		port->ops->pwenable(port, enable);
+}
+
 /**
  * rio_enum_mport- Start enumeration through a master port
  * @mport: Master port to send transactions
@@ -1050,6 +1143,7 @@ int __devinit rio_enum_mport(struct rio_mport *mport)
 		}
 		rio_update_route_tables(mport);
 		rio_clear_locks(mport);
+		rio_pw_enable(mport, 1);
 	} else {
 		printk(KERN_INFO "RIO: master port %d link inactive\n",
 		       mport->id);
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 67a37921695..8fa732e46bf 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -5,6 +5,10 @@
  * Copyright 2005 MontaVista Software, Inc.
  * Matt Porter <mporter@kernel.crashing.org>
  *
+ * Copyright 2009 Integrated Device Technology, Inc.
+ * Alex Bounine <alexandre.bounine@idt.com>
+ * - Added Port-Write/Error Management initialization and handling
+ *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
  * Free Software Foundation;  either version 2 of the  License, or (at your
@@ -332,6 +336,329 @@ int rio_release_outb_dbell(struct rio_dev *rdev, struct resource *res)
 	return rc;
 }
 
+/**
+ * rio_request_inb_pwrite - request inbound port-write message service
+ * @mport: RIO device to which register inbound port-write callback routine
+ * @pwcback: Callback routine to execute when port-write is received
+ *
+ * Binds a port-write callback function to the RapidIO device.
+ * Returns 0 if the request has been satisfied.
+ */
+int rio_request_inb_pwrite(struct rio_dev *rdev,
+	int (*pwcback)(struct rio_dev *rdev, union rio_pw_msg *msg, int step))
+{
+	int rc = 0;
+
+	spin_lock(&rio_global_list_lock);
+	if (rdev->pwcback != NULL)
+		rc = -ENOMEM;
+	else
+		rdev->pwcback = pwcback;
+
+	spin_unlock(&rio_global_list_lock);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(rio_request_inb_pwrite);
+
+/**
+ * rio_release_inb_pwrite - release inbound port-write message service
+ * @rdev: RIO device which registered for inbound port-write callback
+ *
+ * Removes callback from the rio_dev structure. Returns 0 if the request
+ * has been satisfied.
+ */
+int rio_release_inb_pwrite(struct rio_dev *rdev)
+{
+	int rc = -ENOMEM;
+
+	spin_lock(&rio_global_list_lock);
+	if (rdev->pwcback) {
+		rdev->pwcback = NULL;
+		rc = 0;
+	}
+
+	spin_unlock(&rio_global_list_lock);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(rio_release_inb_pwrite);
+
+/**
+ * rio_mport_get_physefb - Helper function that returns register offset
+ *                      for Physical Layer Extended Features Block.
+ * @rdev: RIO device
+ */
+u32
+rio_mport_get_physefb(struct rio_mport *port, int local,
+		      u16 destid, u8 hopcount)
+{
+	u32 ext_ftr_ptr;
+	u32 ftr_header;
+
+	ext_ftr_ptr = rio_mport_get_efb(port, local, destid, hopcount, 0);
+
+	while (ext_ftr_ptr)  {
+		if (local)
+			rio_local_read_config_32(port, ext_ftr_ptr,
+						 &ftr_header);
+		else
+			rio_mport_read_config_32(port, destid, hopcount,
+						 ext_ftr_ptr, &ftr_header);
+
+		ftr_header = RIO_GET_BLOCK_ID(ftr_header);
+		switch (ftr_header) {
+
+		case RIO_EFB_SER_EP_ID_V13P:
+		case RIO_EFB_SER_EP_REC_ID_V13P:
+		case RIO_EFB_SER_EP_FREE_ID_V13P:
+		case RIO_EFB_SER_EP_ID:
+		case RIO_EFB_SER_EP_REC_ID:
+		case RIO_EFB_SER_EP_FREE_ID:
+		case RIO_EFB_SER_EP_FREC_ID:
+
+			return ext_ftr_ptr;
+
+		default:
+			break;
+		}
+
+		ext_ftr_ptr = rio_mport_get_efb(port, local, destid,
+						hopcount, ext_ftr_ptr);
+	}
+
+	return ext_ftr_ptr;
+}
+
+/**
+ * rio_get_comptag - Begin or continue searching for a RIO device by component tag
+ * @comp_tag: RIO component tad to match
+ * @from: Previous RIO device found in search, or %NULL for new search
+ *
+ * Iterates through the list of known RIO devices. If a RIO device is
+ * found with a matching @comp_tag, a pointer to its device
+ * structure is returned. Otherwise, %NULL is returned. A new search
+ * is initiated by passing %NULL to the @from argument. Otherwise, if
+ * @from is not %NULL, searches continue from next device on the global
+ * list.
+ */
+static struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from)
+{
+	struct list_head *n;
+	struct rio_dev *rdev;
+
+	WARN_ON(in_interrupt());
+	spin_lock(&rio_global_list_lock);
+	n = from ? from->global_list.next : rio_devices.next;
+
+	while (n && (n != &rio_devices)) {
+		rdev = rio_dev_g(n);
+		if (rdev->comp_tag == comp_tag)
+			goto exit;
+		n = n->next;
+	}
+	rdev = NULL;
+exit:
+	spin_unlock(&rio_global_list_lock);
+	return rdev;
+}
+
+/**
+ * rio_set_port_lockout - Sets/clears LOCKOUT bit (RIO EM 1.3) for a switch port.
+ * @rdev: Pointer to RIO device control structure
+ * @pnum: Switch port number to set LOCKOUT bit
+ * @lock: Operation : set (=1) or clear (=0)
+ */
+int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock)
+{
+	u8 hopcount = 0xff;
+	u16 destid = rdev->destid;
+	u32 regval;
+
+	if (rdev->rswitch) {
+		destid = rdev->rswitch->destid;
+		hopcount = rdev->rswitch->hopcount;
+	}
+
+	rio_mport_read_config_32(rdev->net->hport, destid, hopcount,
+				 rdev->phys_efptr + RIO_PORT_N_CTL_CSR(pnum),
+				 &regval);
+	if (lock)
+		regval |= RIO_PORT_N_CTL_LOCKOUT;
+	else
+		regval &= ~RIO_PORT_N_CTL_LOCKOUT;
+
+	rio_mport_write_config_32(rdev->net->hport, destid, hopcount,
+				  rdev->phys_efptr + RIO_PORT_N_CTL_CSR(pnum),
+				  regval);
+	return 0;
+}
+
+/**
+ * rio_inb_pwrite_handler - process inbound port-write message
+ * @pw_msg: pointer to inbound port-write message
+ *
+ * Processes an inbound port-write message. Returns 0 if the request
+ * has been satisfied.
+ */
+int rio_inb_pwrite_handler(union rio_pw_msg *pw_msg)
+{
+	struct rio_dev *rdev;
+	struct rio_mport *mport;
+	u8 hopcount;
+	u16 destid;
+	u32 err_status;
+	int rc, portnum;
+
+	rdev = rio_get_comptag(pw_msg->em.comptag, NULL);
+	if (rdev == NULL) {
+		/* Someting bad here (probably enumeration error) */
+		pr_err("RIO: %s No matching device for CTag 0x%08x\n",
+			__func__, pw_msg->em.comptag);
+		return -EIO;
+	}
+
+	pr_debug("RIO: Port-Write message from %s\n", rio_name(rdev));
+
+#ifdef DEBUG_PW
+	{
+	u32 i;
+	for (i = 0; i < RIO_PW_MSG_SIZE/sizeof(u32);) {
+			pr_debug("0x%02x: %08x %08x %08x %08x",
+				 i*4, pw_msg->raw[i], pw_msg->raw[i + 1],
+				 pw_msg->raw[i + 2], pw_msg->raw[i + 3]);
+			i += 4;
+	}
+	pr_debug("\n");
+	}
+#endif
+
+	/* Call an external service function (if such is registered
+	 * for this device). This may be the service for endpoints that send
+	 * device-specific port-write messages. End-point messages expected
+	 * to be handled completely by EP specific device driver.
+	 * For switches rc==0 signals that no standard processing required.
+	 */
+	if (rdev->pwcback != NULL) {
+		rc = rdev->pwcback(rdev, pw_msg, 0);
+		if (rc == 0)
+			return 0;
+	}
+
+	/* For End-point devices processing stops here */
+	if (!(rdev->pef & RIO_PEF_SWITCH))
+		return 0;
+
+	if (rdev->phys_efptr == 0) {
+		pr_err("RIO_PW: Bad switch initialization for %s\n",
+			rio_name(rdev));
+		return 0;
+	}
+
+	mport = rdev->net->hport;
+	destid = rdev->rswitch->destid;
+	hopcount = rdev->rswitch->hopcount;
+
+	/*
+	 * Process the port-write notification from switch
+	 */
+
+	portnum = pw_msg->em.is_port & 0xFF;
+
+	if (rdev->rswitch->em_handle)
+		rdev->rswitch->em_handle(rdev, portnum);
+
+	rio_mport_read_config_32(mport, destid, hopcount,
+			rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(portnum),
+			&err_status);
+	pr_debug("RIO_PW: SP%d_ERR_STS_CSR=0x%08x\n", portnum, err_status);
+
+	if (pw_msg->em.errdetect) {
+		pr_debug("RIO_PW: RIO_EM_P%d_ERR_DETECT=0x%08x\n",
+			 portnum, pw_msg->em.errdetect);
+		/* Clear EM Port N Error Detect CSR */
+		rio_mport_write_config_32(mport, destid, hopcount,
+			rdev->em_efptr + RIO_EM_PN_ERR_DETECT(portnum), 0);
+	}
+
+	if (pw_msg->em.ltlerrdet) {
+		pr_debug("RIO_PW: RIO_EM_LTL_ERR_DETECT=0x%08x\n",
+			 pw_msg->em.ltlerrdet);
+		/* Clear EM L/T Layer Error Detect CSR */
+		rio_mport_write_config_32(mport, destid, hopcount,
+			rdev->em_efptr + RIO_EM_LTL_ERR_DETECT, 0);
+	}
+
+	/* Clear Port Errors */
+	rio_mport_write_config_32(mport, destid, hopcount,
+			rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(portnum),
+			err_status & RIO_PORT_N_ERR_STS_CLR_MASK);
+
+	if (rdev->rswitch->port_ok & (1 << portnum)) {
+		if (err_status & RIO_PORT_N_ERR_STS_PORT_UNINIT) {
+			rdev->rswitch->port_ok &= ~(1 << portnum);
+			rio_set_port_lockout(rdev, portnum, 1);
+
+			rio_mport_write_config_32(mport, destid, hopcount,
+				rdev->phys_efptr +
+					RIO_PORT_N_ACK_STS_CSR(portnum),
+				RIO_PORT_N_ACK_CLEAR);
+
+			/* Schedule Extraction Service */
+			pr_debug("RIO_PW: Device Extraction on [%s]-P%d\n",
+			       rio_name(rdev), portnum);
+		}
+	} else {
+		if (err_status & RIO_PORT_N_ERR_STS_PORT_OK) {
+			rdev->rswitch->port_ok |= (1 << portnum);
+			rio_set_port_lockout(rdev, portnum, 0);
+
+			/* Schedule Insertion Service */
+			pr_debug("RIO_PW: Device Insertion on [%s]-P%d\n",
+			       rio_name(rdev), portnum);
+		}
+	}
+
+	/* Clear Port-Write Pending bit */
+	rio_mport_write_config_32(mport, destid, hopcount,
+			rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(portnum),
+			RIO_PORT_N_ERR_STS_PW_PEND);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rio_inb_pwrite_handler);
+
+/**
+ * rio_mport_get_efb - get pointer to next extended features block
+ * @port: Master port to issue transaction
+ * @local: Indicate a local master port or remote device access
+ * @destid: Destination ID of the device
+ * @hopcount: Number of switch hops to the device
+ * @from: Offset of  current Extended Feature block header (if 0 starts
+ * from	ExtFeaturePtr)
+ */
+u32
+rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
+		      u8 hopcount, u32 from)
+{
+	u32 reg_val;
+
+	if (from == 0) {
+		if (local)
+			rio_local_read_config_32(port, RIO_ASM_INFO_CAR,
+						 &reg_val);
+		else
+			rio_mport_read_config_32(port, destid, hopcount,
+						 RIO_ASM_INFO_CAR, &reg_val);
+		return reg_val & RIO_EXT_FTR_PTR_MASK;
+	} else {
+		if (local)
+			rio_local_read_config_32(port, from, &reg_val);
+		else
+			rio_mport_read_config_32(port, destid, hopcount,
+						 from, &reg_val);
+		return RIO_GET_BLOCK_ID(reg_val);
+	}
+}
+
 /**
  * rio_mport_get_feature - query for devices' extended features
  * @port: Master port to issue transaction
@@ -472,6 +799,7 @@ int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
 				RIO_STD_RTE_CONF_PORT_SEL_CSR,
 				(u32)route_port);
 	}
+
 	udelay(10);
 	return 0;
 }
diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h
index b53c5ec276a..2f628ce1a1c 100644
--- a/drivers/rapidio/rio.h
+++ b/drivers/rapidio/rio.h
@@ -18,6 +18,10 @@
 
 extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
 				 u8 hopcount, int ftr);
+extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
+				 u16 destid, u8 hopcount);
+extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
+			     u8 hopcount, u32 from);
 extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
 extern int rio_enum_mport(struct rio_mport *mport);
 extern int rio_disc_mport(struct rio_mport *mport);
@@ -29,6 +33,7 @@ extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
 				   u8 *route_port);
 extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
 				   u8 hopcount, u16 table);
+extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
 
 /* Structures internal to the RIO core code */
 extern struct device_attribute rio_dev_attrs[];
@@ -61,3 +66,28 @@ extern struct rio_route_ops __end_rio_route_ops[];
 
 #define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
 #define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
+
+/*
+ *   RapidIO Error Management
+ */
+extern struct rio_em_ops __start_rio_em_ops[];
+extern struct rio_em_ops __end_rio_em_ops[];
+
+/* Helpers internal to the RIO core code */
+#define DECLARE_RIO_EM_SECTION(section, name, vid, did, init_hook, em_hook)  \
+	static const struct rio_em_ops __rio_em_##name __used   \
+	__section(section) = { vid, did, init_hook, em_hook };
+
+/**
+ * DECLARE_RIO_EM_OPS - Registers switch EM operations
+ * @vid: RIO vendor ID
+ * @did: RIO device ID
+ * @init_hook: Callback that initializes device specific EM
+ * @em_hook: Callback that handles device specific EM
+ *
+ * A &struct rio_em_ops is initialized with the ops and placed into a
+ * RIO-specific kernel section.
+ */
+#define DECLARE_RIO_EM_OPS(vid, did, init_hook, em_hook)	\
+	DECLARE_RIO_EM_SECTION(.rio_em_ops, vid##did,		\
+			vid, did, init_hook, em_hook)
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c
index bce9112ff0d..905cf9cb09c 100644
--- a/drivers/rapidio/switches/tsi568.c
+++ b/drivers/rapidio/switches/tsi568.c
@@ -25,6 +25,9 @@
 #define SPP_ROUTE_CFG_DESTID(n)	(0x11070 + 0x100*n)
 #define SPP_ROUTE_CFG_PORT(n)	(0x11074 + 0x100*n)
 
+#define TSI568_SP_MODE_BC	0x10004
+#define  TSI568_SP_MODE_PW_DIS	0x08000000
+
 static int
 tsi568_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
 		       u16 table, u16 route_destid, u8 route_port)
@@ -104,3 +107,24 @@ tsi568_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
 }
 
 DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_route_add_entry, tsi568_route_get_entry, tsi568_route_clr_table);
+
+static int
+tsi568_em_init(struct rio_dev *rdev)
+{
+	struct rio_mport *mport = rdev->net->hport;
+	u16 destid = rdev->rswitch->destid;
+	u8 hopcount = rdev->rswitch->hopcount;
+	u32 regval;
+
+	pr_debug("TSI568 %s [%d:%d]\n", __func__, destid, hopcount);
+
+	/* Make sure that Port-Writes are disabled (for all ports) */
+	rio_mport_read_config_32(mport, destid, hopcount,
+			TSI568_SP_MODE_BC, &regval);
+	rio_mport_write_config_32(mport, destid, hopcount,
+			TSI568_SP_MODE_BC, regval | TSI568_SP_MODE_PW_DIS);
+
+	return 0;
+}
+
+DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_em_init, NULL);
diff --git a/drivers/rapidio/switches/tsi57x.c b/drivers/rapidio/switches/tsi57x.c
index 5ad7880787c..23040b92ea7 100644
--- a/drivers/rapidio/switches/tsi57x.c
+++ b/drivers/rapidio/switches/tsi57x.c
@@ -25,6 +25,14 @@
 #define SPP_ROUTE_CFG_DESTID(n)	(0x11070 + 0x100*n)
 #define SPP_ROUTE_CFG_PORT(n)	(0x11074 + 0x100*n)
 
+#define TSI578_SP_MODE(n)	(0x11004 + n*0x100)
+#define  TSI578_SP_MODE_PW_DIS	0x08000000
+
+#define TSI578_SP_CTL_INDEP(n)	(0x13004 + n*0x100)
+#define TSI578_SP_LUT_PEINF(n)	(0x13010 + n*0x100)
+#define TSI578_SP_CS_TX(n)	(0x13014 + n*0x100)
+#define TSI578_SP_INT_STATUS(n) (0x13018 + n*0x100)
+
 static int
 tsi57x_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
 		       u16 table, u16 route_destid, u8 route_port)
@@ -104,3 +112,148 @@ DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI572, tsi57x_route_add_entry, ts
 DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI574, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
 DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI577, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
 DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI578, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
+
+static int
+tsi57x_em_init(struct rio_dev *rdev)
+{
+	struct rio_mport *mport = rdev->net->hport;
+	u16 destid = rdev->rswitch->destid;
+	u8 hopcount = rdev->rswitch->hopcount;
+	u32 regval;
+	int portnum;
+
+	pr_debug("TSI578 %s [%d:%d]\n", __func__, destid, hopcount);
+
+	for (portnum = 0; portnum < 16; portnum++) {
+		/* Make sure that Port-Writes are enabled (for all ports) */
+		rio_mport_read_config_32(mport, destid, hopcount,
+				TSI578_SP_MODE(portnum), &regval);
+		rio_mport_write_config_32(mport, destid, hopcount,
+				TSI578_SP_MODE(portnum),
+				regval & ~TSI578_SP_MODE_PW_DIS);
+
+		/* Clear all pending interrupts */
+		rio_mport_read_config_32(mport, destid, hopcount,
+				rdev->phys_efptr +
+					RIO_PORT_N_ERR_STS_CSR(portnum),
+				&regval);
+		rio_mport_write_config_32(mport, destid, hopcount,
+				rdev->phys_efptr +
+					RIO_PORT_N_ERR_STS_CSR(portnum),
+				regval & 0x07120214);
+
+		rio_mport_read_config_32(mport, destid, hopcount,
+				TSI578_SP_INT_STATUS(portnum), &regval);
+		rio_mport_write_config_32(mport, destid, hopcount,
+				TSI578_SP_INT_STATUS(portnum),
+				regval & 0x000700bd);
+
+		/* Enable all interrupts to allow ports to send a port-write */
+		rio_mport_read_config_32(mport, destid, hopcount,
+				TSI578_SP_CTL_INDEP(portnum), &regval);
+		rio_mport_write_config_32(mport, destid, hopcount,
+				TSI578_SP_CTL_INDEP(portnum),
+				regval | 0x000b0000);
+
+		/* Skip next (odd) port if the current port is in x4 mode */
+		rio_mport_read_config_32(mport, destid, hopcount,
+				rdev->phys_efptr + RIO_PORT_N_CTL_CSR(portnum),
+				&regval);
+		if ((regval & RIO_PORT_N_CTL_PWIDTH) == RIO_PORT_N_CTL_PWIDTH_4)
+			portnum++;
+	}
+
+	return 0;
+}
+
+static int
+tsi57x_em_handler(struct rio_dev *rdev, u8 portnum)
+{
+	struct rio_mport *mport = rdev->net->hport;
+	u16 destid = rdev->rswitch->destid;
+	u8 hopcount = rdev->rswitch->hopcount;
+	u32 intstat, err_status;
+	int sendcount, checkcount;
+	u8 route_port;
+	u32 regval;
+
+	rio_mport_read_config_32(mport, destid, hopcount,
+			rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(portnum),
+			&err_status);
+
+	if ((err_status & RIO_PORT_N_ERR_STS_PORT_OK) &&
+	    (err_status & (RIO_PORT_N_ERR_STS_PW_OUT_ES |
+			  RIO_PORT_N_ERR_STS_PW_INP_ES))) {
+		/* Remove any queued packets by locking/unlocking port */
+		rio_mport_read_config_32(mport, destid, hopcount,
+			rdev->phys_efptr + RIO_PORT_N_CTL_CSR(portnum),
+			&regval);
+		if (!(regval & RIO_PORT_N_CTL_LOCKOUT)) {
+			rio_mport_write_config_32(mport, destid, hopcount,
+				rdev->phys_efptr + RIO_PORT_N_CTL_CSR(portnum),
+				regval | RIO_PORT_N_CTL_LOCKOUT);
+			udelay(50);
+			rio_mport_write_config_32(mport, destid, hopcount,
+				rdev->phys_efptr + RIO_PORT_N_CTL_CSR(portnum),
+				regval);
+		}
+
+		/* Read from link maintenance response register to clear
+		 * valid bit
+		 */
+		rio_mport_read_config_32(mport, destid, hopcount,
+			rdev->phys_efptr + RIO_PORT_N_MNT_RSP_CSR(portnum),
+			&regval);
+
+		/* Send a Packet-Not-Accepted/Link-Request-Input-Status control
+		 * symbol to recover from IES/OES
+		 */
+		sendcount = 3;
+		while (sendcount) {
+			rio_mport_write_config_32(mport, destid, hopcount,
+					  TSI578_SP_CS_TX(portnum), 0x40fc8000);
+			checkcount = 3;
+			while (checkcount--) {
+				udelay(50);
+				rio_mport_read_config_32(
+					mport, destid, hopcount,
+					rdev->phys_efptr +
+						RIO_PORT_N_MNT_RSP_CSR(portnum),
+					&regval);
+				if (regval & RIO_PORT_N_MNT_RSP_RVAL)
+					goto exit_es;
+			}
+
+			sendcount--;
+		}
+	}
+
+exit_es:
+	/* Clear implementation specific error status bits */
+	rio_mport_read_config_32(mport, destid, hopcount,
+				 TSI578_SP_INT_STATUS(portnum), &intstat);
+	pr_debug("TSI578[%x:%x] SP%d_INT_STATUS=0x%08x\n",
+		 destid, hopcount, portnum, intstat);
+
+	if (intstat & 0x10000) {
+		rio_mport_read_config_32(mport, destid, hopcount,
+				TSI578_SP_LUT_PEINF(portnum), &regval);
+		regval = (mport->sys_size) ? (regval >> 16) : (regval >> 24);
+		route_port = rdev->rswitch->route_table[regval];
+		pr_debug("RIO: TSI578[%s] P%d LUT Parity Error (destID=%d)\n",
+			rio_name(rdev), portnum, regval);
+		tsi57x_route_add_entry(mport, destid, hopcount,
+				RIO_GLOBAL_TABLE, regval, route_port);
+	}
+
+	rio_mport_write_config_32(mport, destid, hopcount,
+				  TSI578_SP_INT_STATUS(portnum),
+				  intstat & 0x000700bd);
+
+	return 0;
+}
+
+DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI572, tsi57x_em_init, tsi57x_em_handler);
+DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI574, tsi57x_em_init, tsi57x_em_handler);
+DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI577, tsi57x_em_init, tsi57x_em_handler);
+DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI578, tsi57x_em_init, tsi57x_em_handler);
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 67e652068e0..8f7c89b2063 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -247,10 +247,13 @@
 	}								\
 									\
 	/* RapidIO route ops */						\
-	.rio_route        : AT(ADDR(.rio_route) - LOAD_OFFSET) {	\
+	.rio_ops        : AT(ADDR(.rio_ops) - LOAD_OFFSET) {		\
 		VMLINUX_SYMBOL(__start_rio_route_ops) = .;		\
 		*(.rio_route_ops)					\
 		VMLINUX_SYMBOL(__end_rio_route_ops) = .;		\
+		VMLINUX_SYMBOL(__start_rio_em_ops) = .;			\
+		*(.rio_em_ops)						\
+		VMLINUX_SYMBOL(__end_rio_em_ops) = .;			\
 	}								\
 									\
 	TRACEDATA							\
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 29d98997c6c..4ec31f44f40 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -64,10 +64,13 @@
 #define RIO_INB_MBOX_RESOURCE	1
 #define RIO_OUTB_MBOX_RESOURCE	2
 
+#define RIO_PW_MSG_SIZE		64
+
 extern struct bus_type rio_bus_type;
 extern struct list_head rio_devices;	/* list of all devices */
 
 struct rio_mport;
+union rio_pw_msg;
 
 /**
  * struct rio_dev - RIO device info
@@ -107,11 +110,15 @@ struct rio_dev {
 	u32 swpinfo;		/* Only used for switches */
 	u32 src_ops;
 	u32 dst_ops;
+	u32 comp_tag;
+	u32 phys_efptr;
+	u32 em_efptr;
 	u64 dma_mask;
 	struct rio_switch *rswitch;	/* RIO switch info */
 	struct rio_driver *driver;	/* RIO driver claiming this device */
 	struct device dev;	/* LDM device structure */
 	struct resource riores[RIO_MAX_DEV_RESOURCES];
+	int (*pwcback) (struct rio_dev *rdev, union rio_pw_msg *msg, int step);
 	u16 destid;
 };
 
@@ -211,9 +218,12 @@ struct rio_net {
  * @hopcount: Hopcount to this switch
  * @destid: Associated destid in the path
  * @route_table: Copy of switch routing table
+ * @port_ok: Status of each port (one bit per port) - OK=1 or UNINIT=0
  * @add_entry: Callback for switch-specific route add function
  * @get_entry: Callback for switch-specific route get function
  * @clr_table: Callback for switch-specific clear route table function
+ * @em_init: Callback for switch-specific error management initialization function
+ * @em_handle: Callback for switch-specific error management handler function
  */
 struct rio_switch {
 	struct list_head node;
@@ -221,12 +231,15 @@ struct rio_switch {
 	u16 hopcount;
 	u16 destid;
 	u8 *route_table;
+	u32 port_ok;
 	int (*add_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
 			  u16 table, u16 route_destid, u8 route_port);
 	int (*get_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
 			  u16 table, u16 route_destid, u8 * route_port);
 	int (*clr_table) (struct rio_mport *mport, u16 destid, u8 hopcount,
 			  u16 table);
+	int (*em_init) (struct rio_dev *dev);
+	int (*em_handle) (struct rio_dev *dev, u8 swport);
 };
 
 /* Low-level architecture-dependent routines */
@@ -238,6 +251,7 @@ struct rio_switch {
  * @cread: Callback to perform network read of config space.
  * @cwrite: Callback to perform network write of config space.
  * @dsend: Callback to send a doorbell message.
+ * @pwenable: Callback to enable/disable port-write message handling.
  */
 struct rio_ops {
 	int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len,
@@ -249,6 +263,7 @@ struct rio_ops {
 	int (*cwrite) (struct rio_mport *mport, int index, u16 destid,
 			u8 hopcount, u32 offset, int len, u32 data);
 	int (*dsend) (struct rio_mport *mport, int index, u16 destid, u16 data);
+	int (*pwenable) (struct rio_mport *mport, int enable);
 };
 
 #define RIO_RESOURCE_MEM	0x00000100
@@ -325,6 +340,33 @@ struct rio_route_ops {
 			 u16 table);
 };
 
+/**
+ * struct rio_em_ops - Per-switch error management operations
+ * @vid: RIO vendor ID
+ * @did: RIO device ID
+ * @init_hook: Switch specific error management initialization (may be NULL)
+ * @handler_hook: Switch specific error management handler (may be NULL)
+ *
+ * Defines the operations that are necessary to initialize and handle
+ * error management events for a particular RIO switch device.
+ */
+struct rio_em_ops {
+	u16 vid, did;
+	int (*init_hook) (struct rio_dev *dev);
+	int (*handler_hook) (struct rio_dev *dev, u8 swport);
+};
+
+union rio_pw_msg {
+	struct {
+		u32 comptag;	/* Component Tag CSR */
+		u32 errdetect;	/* Port N Error Detect CSR */
+		u32 is_port;	/* Implementation specific + PortID */
+		u32 ltlerrdet;	/* LTL Error Detect CSR */
+		u32 padding[12];
+	} em;
+	u32 raw[RIO_PW_MSG_SIZE/sizeof(u32)];
+};
+
 /* Architecture and hardware-specific functions */
 extern int rio_init_mports(void);
 extern void rio_register_mport(struct rio_mport *);
diff --git a/include/linux/rio_drv.h b/include/linux/rio_drv.h
index c93a58a4003..edc55da717b 100644
--- a/include/linux/rio_drv.h
+++ b/include/linux/rio_drv.h
@@ -413,6 +413,12 @@ void rio_release_regions(struct rio_dev *);
 int rio_request_region(struct rio_dev *, int, char *);
 void rio_release_region(struct rio_dev *, int);
 
+/* Port-Write management */
+extern int rio_request_inb_pwrite(struct rio_dev *,
+			int (*)(struct rio_dev *, union rio_pw_msg*, int));
+extern int rio_release_inb_pwrite(struct rio_dev *);
+extern int rio_inb_pwrite_handler(union rio_pw_msg *pw_msg);
+
 /* LDM support */
 int rio_register_driver(struct rio_driver *);
 void rio_unregister_driver(struct rio_driver *);
diff --git a/include/linux/rio_regs.h b/include/linux/rio_regs.h
index 4bfb0dcfac7..96ba2159d9f 100644
--- a/include/linux/rio_regs.h
+++ b/include/linux/rio_regs.h
@@ -192,10 +192,14 @@
 #define RIO_EFB_PAR_EP_ID	0x0001	/* [IV] LP/LVDS EP Devices */
 #define RIO_EFB_PAR_EP_REC_ID	0x0002	/* [IV] LP/LVDS EP Recovery Devices */
 #define RIO_EFB_PAR_EP_FREE_ID	0x0003	/* [IV] LP/LVDS EP Free Devices */
+#define RIO_EFB_SER_EP_ID_V13P	0x0001	/* [VI] LP/Serial EP Devices, RapidIO Spec ver 1.3 and above */
+#define RIO_EFB_SER_EP_REC_ID_V13P	0x0002	/* [VI] LP/Serial EP Recovery Devices, RapidIO Spec ver 1.3 and above */
+#define RIO_EFB_SER_EP_FREE_ID_V13P	0x0003	/* [VI] LP/Serial EP Free Devices, RapidIO Spec ver 1.3 and above */
 #define RIO_EFB_SER_EP_ID	0x0004	/* [VI] LP/Serial EP Devices */
 #define RIO_EFB_SER_EP_REC_ID	0x0005	/* [VI] LP/Serial EP Recovery Devices */
 #define RIO_EFB_SER_EP_FREE_ID	0x0006	/* [VI] LP/Serial EP Free Devices */
 #define RIO_EFB_SER_EP_FREC_ID	0x0009  /* [VI] LP/Serial EP Free Recovery Devices */
+#define RIO_EFB_ERR_MGMNT	0x0007  /* [VIII] Error Management Extensions */
 
 /*
  * Physical 8/16 LP-LVDS
@@ -211,15 +215,66 @@
 #define RIO_PORT_MNT_HEADER		0x0000
 #define RIO_PORT_REQ_CTL_CSR		0x0020
 #define RIO_PORT_RSP_CTL_CSR		0x0024	/* 0x0001/0x0002 */
+#define RIO_PORT_LINKTO_CTL_CSR		0x0020	/* Serial */
+#define RIO_PORT_RSPTO_CTL_CSR		0x0024	/* Serial */
 #define RIO_PORT_GEN_CTL_CSR		0x003c
 #define  RIO_PORT_GEN_HOST		0x80000000
 #define  RIO_PORT_GEN_MASTER		0x40000000
 #define  RIO_PORT_GEN_DISCOVERED	0x20000000
 #define RIO_PORT_N_MNT_REQ_CSR(x)	(0x0040 + x*0x20)	/* 0x0002 */
 #define RIO_PORT_N_MNT_RSP_CSR(x)	(0x0044 + x*0x20)	/* 0x0002 */
+#define  RIO_PORT_N_MNT_RSP_RVAL	0x80000000 /* Response Valid */
+#define  RIO_PORT_N_MNT_RSP_ASTAT	0x000003e0 /* ackID Status */
+#define  RIO_PORT_N_MNT_RSP_LSTAT	0x0000001f /* Link Status */
 #define RIO_PORT_N_ACK_STS_CSR(x)	(0x0048 + x*0x20)	/* 0x0002 */
-#define RIO_PORT_N_ERR_STS_CSR(x)	(0x58 + x*0x20)
-#define PORT_N_ERR_STS_PORT_OK	0x00000002
-#define RIO_PORT_N_CTL_CSR(x)		(0x5c + x*0x20)
+#define  RIO_PORT_N_ACK_CLEAR		0x80000000
+#define  RIO_PORT_N_ACK_INBOUND		0x1f000000
+#define  RIO_PORT_N_ACK_OUTSTAND	0x00001f00
+#define  RIO_PORT_N_ACK_OUTBOUND	0x0000001f
+#define RIO_PORT_N_ERR_STS_CSR(x)	(0x0058 + x*0x20)
+#define  RIO_PORT_N_ERR_STS_PW_OUT_ES	0x00010000 /* Output Error-stopped */
+#define  RIO_PORT_N_ERR_STS_PW_INP_ES	0x00000100 /* Input Error-stopped */
+#define  RIO_PORT_N_ERR_STS_PW_PEND	0x00000010 /* Port-Write Pending */
+#define  RIO_PORT_N_ERR_STS_PORT_ERR	0x00000004
+#define  RIO_PORT_N_ERR_STS_PORT_OK	0x00000002
+#define  RIO_PORT_N_ERR_STS_PORT_UNINIT	0x00000001
+#define  RIO_PORT_N_ERR_STS_CLR_MASK	0x07120204
+#define RIO_PORT_N_CTL_CSR(x)		(0x005c + x*0x20)
+#define  RIO_PORT_N_CTL_PWIDTH		0xc0000000
+#define  RIO_PORT_N_CTL_PWIDTH_1	0x00000000
+#define  RIO_PORT_N_CTL_PWIDTH_4	0x40000000
+#define  RIO_PORT_N_CTL_LOCKOUT		0x00000002
+
+/*
+ * Error Management Extensions (RapidIO 1.3+, Part 8)
+ *
+ * Extended Features Block ID=0x0007
+ */
+
+/* General EM Registers (Common for all Ports) */
+
+#define RIO_EM_EFB_HEADER	0x000	/* Error Management Extensions Block Header */
+#define RIO_EM_LTL_ERR_DETECT	0x008	/* Logical/Transport Layer Error Detect CSR */
+#define RIO_EM_LTL_ERR_EN	0x00c	/* Logical/Transport Layer Error Enable CSR */
+#define RIO_EM_LTL_HIADDR_CAP	0x010	/* Logical/Transport Layer High Address Capture CSR */
+#define RIO_EM_LTL_ADDR_CAP	0x014	/* Logical/Transport Layer Address Capture CSR */
+#define RIO_EM_LTL_DEVID_CAP	0x018	/* Logical/Transport Layer Device ID Capture CSR */
+#define RIO_EM_LTL_CTRL_CAP	0x01c	/* Logical/Transport Layer Control Capture CSR */
+#define RIO_EM_PW_TGT_DEVID	0x028	/* Port-write Target deviceID CSR */
+#define RIO_EM_PKT_TTL		0x02c	/* Packet Time-to-live CSR */
+
+/* Per-Port EM Registers */
+
+#define RIO_EM_PN_ERR_DETECT(x)	(0x040 + x*0x40) /* Port N Error Detect CSR */
+#define  REM_PED_IMPL_SPEC		0x80000000
+#define  REM_PED_LINK_TO		0x00000001
+#define RIO_EM_PN_ERRRATE_EN(x) (0x044 + x*0x40) /* Port N Error Rate Enable CSR */
+#define RIO_EM_PN_ATTRIB_CAP(x)	(0x048 + x*0x40) /* Port N Attributes Capture CSR */
+#define RIO_EM_PN_PKT_CAP_0(x)	(0x04c + x*0x40) /* Port N Packet/Control Symbol Capture 0 CSR */
+#define RIO_EM_PN_PKT_CAP_1(x)	(0x050 + x*0x40) /* Port N Packet Capture 1 CSR */
+#define RIO_EM_PN_PKT_CAP_2(x)	(0x054 + x*0x40) /* Port N Packet Capture 2 CSR */
+#define RIO_EM_PN_PKT_CAP_3(x)	(0x058 + x*0x40) /* Port N Packet Capture 3 CSR */
+#define RIO_EM_PN_ERRRATE(x)	(0x068 + x*0x40) /* Port N Error Rate CSR */
+#define RIO_EM_PN_ERRRATE_TR(x) (0x06c + x*0x40) /* Port N Error Rate Threshold CSR */
 
 #endif				/* LINUX_RIO_REGS_H */

From 5b2074ae4f2baa64b59792477ea6d21c1a5ab4bd Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:44:00 -0700
Subject: [PATCH 3406/3638] rapidio, powerpc/85xx: add Port-Write message
 handler for SRIO port

Add RapidIO Port-Write message handler for Freescale SoCs with RapidIO
port.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/powerpc/sysdev/fsl_rio.c | 263 +++++++++++++++++++++++++++++++++-
 1 file changed, 260 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index cb0d74927f0..73d5f3e142a 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1,6 +1,11 @@
 /*
  * Freescale MPC85xx/MPC86xx RapidIO support
  *
+ * Copyright 2009 Integrated Device Technology, Inc.
+ * Alex Bounine <alexandre.bounine@idt.com>
+ * - Added Port-Write message handling
+ * - Added Machine Check exception handling
+ *
  * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc.
  * Zhang Wei <wei.zhang@freescale.com>
  *
@@ -24,19 +29,26 @@
 #include <linux/of_platform.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
+#include <linux/kfifo.h>
 
 #include <asm/io.h>
 
+#undef DEBUG_PW	/* Port-Write debugging */
+
 /* RapidIO definition irq, which read from OF-tree */
 #define IRQ_RIO_BELL(m)		(((struct rio_priv *)(m->priv))->bellirq)
 #define IRQ_RIO_TX(m)		(((struct rio_priv *)(m->priv))->txirq)
 #define IRQ_RIO_RX(m)		(((struct rio_priv *)(m->priv))->rxirq)
+#define IRQ_RIO_PW(m)		(((struct rio_priv *)(m->priv))->pwirq)
 
 #define RIO_ATMU_REGS_OFFSET	0x10c00
 #define RIO_P_MSG_REGS_OFFSET	0x11000
 #define RIO_S_MSG_REGS_OFFSET	0x13000
 #define RIO_ESCSR		0x158
 #define RIO_CCSR		0x15c
+#define RIO_LTLEDCSR		0x0608
+#define RIO_LTLEECSR		0x060c
+#define RIO_EPWISR		0x10010
 #define RIO_ISR_AACR		0x10120
 #define RIO_ISR_AACR_AA		0x1	/* Accept All ID */
 #define RIO_MAINT_WIN_SIZE	0x400000
@@ -55,6 +67,18 @@
 #define RIO_MSG_ISR_QFI		0x00000010
 #define RIO_MSG_ISR_DIQI	0x00000001
 
+#define RIO_IPWMR_SEN		0x00100000
+#define RIO_IPWMR_QFIE		0x00000100
+#define RIO_IPWMR_EIE		0x00000020
+#define RIO_IPWMR_CQ		0x00000002
+#define RIO_IPWMR_PWE		0x00000001
+
+#define RIO_IPWSR_QF		0x00100000
+#define RIO_IPWSR_TE		0x00000080
+#define RIO_IPWSR_QFI		0x00000010
+#define RIO_IPWSR_PWD		0x00000008
+#define RIO_IPWSR_PWB		0x00000004
+
 #define RIO_MSG_DESC_SIZE	32
 #define RIO_MSG_BUFFER_SIZE	4096
 #define RIO_MIN_TX_RING_SIZE	2
@@ -121,7 +145,7 @@ struct rio_msg_regs {
 	u32 pad10[26];
 	u32 pwmr;
 	u32 pwsr;
-	u32 pad11;
+	u32 epwqbar;
 	u32 pwqbar;
 };
 
@@ -160,6 +184,14 @@ struct rio_msg_rx_ring {
 	void *dev_id;
 };
 
+struct rio_port_write_msg {
+	void *virt;
+	dma_addr_t phys;
+	u32 msg_count;
+	u32 err_count;
+	u32 discard_count;
+};
+
 struct rio_priv {
 	struct device *dev;
 	void __iomem *regs_win;
@@ -172,9 +204,14 @@ struct rio_priv {
 	struct rio_dbell_ring dbell_ring;
 	struct rio_msg_tx_ring msg_tx_ring;
 	struct rio_msg_rx_ring msg_rx_ring;
+	struct rio_port_write_msg port_write_msg;
 	int bellirq;
 	int txirq;
 	int rxirq;
+	int pwirq;
+	struct work_struct pw_work;
+	struct kfifo pw_fifo;
+	spinlock_t pw_fifo_lock;
 };
 
 /**
@@ -930,6 +967,223 @@ static int fsl_rio_doorbell_init(struct rio_mport *mport)
 	return rc;
 }
 
+/**
+ * fsl_rio_port_write_handler - MPC85xx port write interrupt handler
+ * @irq: Linux interrupt number
+ * @dev_instance: Pointer to interrupt-specific data
+ *
+ * Handles port write interrupts. Parses a list of registered
+ * port write event handlers and executes a matching event handler.
+ */
+static irqreturn_t
+fsl_rio_port_write_handler(int irq, void *dev_instance)
+{
+	u32 ipwmr, ipwsr;
+	struct rio_mport *port = (struct rio_mport *)dev_instance;
+	struct rio_priv *priv = port->priv;
+	u32 epwisr, tmp;
+
+	ipwmr = in_be32(&priv->msg_regs->pwmr);
+	ipwsr = in_be32(&priv->msg_regs->pwsr);
+
+	epwisr = in_be32(priv->regs_win + RIO_EPWISR);
+	if (epwisr & 0x80000000) {
+		tmp = in_be32(priv->regs_win + RIO_LTLEDCSR);
+		pr_info("RIO_LTLEDCSR = 0x%x\n", tmp);
+		out_be32(priv->regs_win + RIO_LTLEDCSR, 0);
+	}
+
+	if (!(epwisr & 0x00000001))
+		return IRQ_HANDLED;
+
+#ifdef DEBUG_PW
+	pr_debug("PW Int->IPWMR: 0x%08x IPWSR: 0x%08x (", ipwmr, ipwsr);
+	if (ipwsr & RIO_IPWSR_QF)
+		pr_debug(" QF");
+	if (ipwsr & RIO_IPWSR_TE)
+		pr_debug(" TE");
+	if (ipwsr & RIO_IPWSR_QFI)
+		pr_debug(" QFI");
+	if (ipwsr & RIO_IPWSR_PWD)
+		pr_debug(" PWD");
+	if (ipwsr & RIO_IPWSR_PWB)
+		pr_debug(" PWB");
+	pr_debug(" )\n");
+#endif
+	out_be32(&priv->msg_regs->pwsr,
+		 ipwsr & (RIO_IPWSR_TE | RIO_IPWSR_QFI | RIO_IPWSR_PWD));
+
+	if ((ipwmr & RIO_IPWMR_EIE) && (ipwsr & RIO_IPWSR_TE)) {
+		priv->port_write_msg.err_count++;
+		pr_info("RIO: Port-Write Transaction Err (%d)\n",
+			 priv->port_write_msg.err_count);
+	}
+	if (ipwsr & RIO_IPWSR_PWD) {
+		priv->port_write_msg.discard_count++;
+		pr_info("RIO: Port Discarded Port-Write Msg(s) (%d)\n",
+			 priv->port_write_msg.discard_count);
+	}
+
+	/* Schedule deferred processing if PW was received */
+	if (ipwsr & RIO_IPWSR_QFI) {
+		/* Save PW message (if there is room in FIFO),
+		 * otherwise discard it.
+		 */
+		if (kfifo_avail(&priv->pw_fifo) >= RIO_PW_MSG_SIZE) {
+			priv->port_write_msg.msg_count++;
+			kfifo_in(&priv->pw_fifo, priv->port_write_msg.virt,
+				 RIO_PW_MSG_SIZE);
+		} else {
+			priv->port_write_msg.discard_count++;
+			pr_info("RIO: ISR Discarded Port-Write Msg(s) (%d)\n",
+				 priv->port_write_msg.discard_count);
+		}
+		schedule_work(&priv->pw_work);
+	}
+
+	/* Issue Clear Queue command. This allows another
+	 * port-write to be received.
+	 */
+	out_be32(&priv->msg_regs->pwmr, ipwmr | RIO_IPWMR_CQ);
+
+	return IRQ_HANDLED;
+}
+
+static void fsl_pw_dpc(struct work_struct *work)
+{
+	struct rio_priv *priv = container_of(work, struct rio_priv, pw_work);
+	unsigned long flags;
+	u32 msg_buffer[RIO_PW_MSG_SIZE/sizeof(u32)];
+
+	/*
+	 * Process port-write messages
+	 */
+	spin_lock_irqsave(&priv->pw_fifo_lock, flags);
+	while (kfifo_out(&priv->pw_fifo, (unsigned char *)msg_buffer,
+			 RIO_PW_MSG_SIZE)) {
+		/* Process one message */
+		spin_unlock_irqrestore(&priv->pw_fifo_lock, flags);
+#ifdef DEBUG_PW
+		{
+		u32 i;
+		pr_debug("%s : Port-Write Message:", __func__);
+		for (i = 0; i < RIO_PW_MSG_SIZE/sizeof(u32); i++) {
+			if ((i%4) == 0)
+				pr_debug("\n0x%02x: 0x%08x", i*4,
+					 msg_buffer[i]);
+			else
+				pr_debug(" 0x%08x", msg_buffer[i]);
+		}
+		pr_debug("\n");
+		}
+#endif
+		/* Pass the port-write message to RIO core for processing */
+		rio_inb_pwrite_handler((union rio_pw_msg *)msg_buffer);
+		spin_lock_irqsave(&priv->pw_fifo_lock, flags);
+	}
+	spin_unlock_irqrestore(&priv->pw_fifo_lock, flags);
+}
+
+/**
+ * fsl_rio_pw_enable - enable/disable port-write interface init
+ * @mport: Master port implementing the port write unit
+ * @enable:    1=enable; 0=disable port-write message handling
+ */
+static int fsl_rio_pw_enable(struct rio_mport *mport, int enable)
+{
+	struct rio_priv *priv = mport->priv;
+	u32 rval;
+
+	rval = in_be32(&priv->msg_regs->pwmr);
+
+	if (enable)
+		rval |= RIO_IPWMR_PWE;
+	else
+		rval &= ~RIO_IPWMR_PWE;
+
+	out_be32(&priv->msg_regs->pwmr, rval);
+
+	return 0;
+}
+
+/**
+ * fsl_rio_port_write_init - MPC85xx port write interface init
+ * @mport: Master port implementing the port write unit
+ *
+ * Initializes port write unit hardware and DMA buffer
+ * ring. Called from fsl_rio_setup(). Returns %0 on success
+ * or %-ENOMEM on failure.
+ */
+static int fsl_rio_port_write_init(struct rio_mport *mport)
+{
+	struct rio_priv *priv = mport->priv;
+	int rc = 0;
+
+	/* Following configurations require a disabled port write controller */
+	out_be32(&priv->msg_regs->pwmr,
+		 in_be32(&priv->msg_regs->pwmr) & ~RIO_IPWMR_PWE);
+
+	/* Initialize port write */
+	priv->port_write_msg.virt = dma_alloc_coherent(priv->dev,
+					RIO_PW_MSG_SIZE,
+					&priv->port_write_msg.phys, GFP_KERNEL);
+	if (!priv->port_write_msg.virt) {
+		pr_err("RIO: unable allocate port write queue\n");
+		return -ENOMEM;
+	}
+
+	priv->port_write_msg.err_count = 0;
+	priv->port_write_msg.discard_count = 0;
+
+	/* Point dequeue/enqueue pointers at first entry */
+	out_be32(&priv->msg_regs->epwqbar, 0);
+	out_be32(&priv->msg_regs->pwqbar, (u32) priv->port_write_msg.phys);
+
+	pr_debug("EIPWQBAR: 0x%08x IPWQBAR: 0x%08x\n",
+		 in_be32(&priv->msg_regs->epwqbar),
+		 in_be32(&priv->msg_regs->pwqbar));
+
+	/* Clear interrupt status IPWSR */
+	out_be32(&priv->msg_regs->pwsr,
+		 (RIO_IPWSR_TE | RIO_IPWSR_QFI | RIO_IPWSR_PWD));
+
+	/* Configure port write contoller for snooping enable all reporting,
+	   clear queue full */
+	out_be32(&priv->msg_regs->pwmr,
+		 RIO_IPWMR_SEN | RIO_IPWMR_QFIE | RIO_IPWMR_EIE | RIO_IPWMR_CQ);
+
+
+	/* Hook up port-write handler */
+	rc = request_irq(IRQ_RIO_PW(mport), fsl_rio_port_write_handler, 0,
+			 "port-write", (void *)mport);
+	if (rc < 0) {
+		pr_err("MPC85xx RIO: unable to request inbound doorbell irq");
+		goto err_out;
+	}
+
+	INIT_WORK(&priv->pw_work, fsl_pw_dpc);
+	spin_lock_init(&priv->pw_fifo_lock);
+	if (kfifo_alloc(&priv->pw_fifo, RIO_PW_MSG_SIZE * 32, GFP_KERNEL)) {
+		pr_err("FIFO allocation failed\n");
+		rc = -ENOMEM;
+		goto err_out_irq;
+	}
+
+	pr_debug("IPWMR: 0x%08x IPWSR: 0x%08x\n",
+		 in_be32(&priv->msg_regs->pwmr),
+		 in_be32(&priv->msg_regs->pwsr));
+
+	return rc;
+
+err_out_irq:
+	free_irq(IRQ_RIO_PW(mport), (void *)mport);
+err_out:
+	dma_free_coherent(priv->dev, RIO_PW_MSG_SIZE,
+			  priv->port_write_msg.virt,
+			  priv->port_write_msg.phys);
+	return rc;
+}
+
 static char *cmdline = NULL;
 
 static int fsl_rio_get_hdid(int index)
@@ -1067,6 +1321,7 @@ int fsl_rio_setup(struct of_device *dev)
 	ops->cread = fsl_rio_config_read;
 	ops->cwrite = fsl_rio_config_write;
 	ops->dsend = fsl_rio_doorbell_send;
+	ops->pwenable = fsl_rio_pw_enable;
 
 	port = kzalloc(sizeof(struct rio_mport), GFP_KERNEL);
 	if (!port) {
@@ -1089,11 +1344,12 @@ int fsl_rio_setup(struct of_device *dev)
 	port->iores.flags = IORESOURCE_MEM;
 	port->iores.name = "rio_io_win";
 
+	priv->pwirq   = irq_of_parse_and_map(dev->node, 0);
 	priv->bellirq = irq_of_parse_and_map(dev->dev.of_node, 2);
 	priv->txirq = irq_of_parse_and_map(dev->dev.of_node, 3);
 	priv->rxirq = irq_of_parse_and_map(dev->dev.of_node, 4);
-	dev_info(&dev->dev, "bellirq: %d, txirq: %d, rxirq %d\n", priv->bellirq,
-				priv->txirq, priv->rxirq);
+	dev_info(&dev->dev, "pwirq: %d, bellirq: %d, txirq: %d, rxirq %d\n",
+		 priv->pwirq, priv->bellirq, priv->txirq, priv->rxirq);
 
 	rio_init_dbell_res(&port->riores[RIO_DOORBELL_RESOURCE], 0, 0xffff);
 	rio_init_mbox_res(&port->riores[RIO_INB_MBOX_RESOURCE], 0, 0);
@@ -1175,6 +1431,7 @@ int fsl_rio_setup(struct of_device *dev)
 			(law_start + RIO_MAINT_WIN_SIZE) >> 12);
 	out_be32(&priv->dbell_atmu_regs->rowar, 0x8004200b);	/* 4k */
 	fsl_rio_doorbell_init(port);
+	fsl_rio_port_write_init(port);
 
 	return 0;
 err:

From a52c8f521fed43bce53451d7dfddf2b42a2af689 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:44:00 -0700
Subject: [PATCH 3407/3638] rapidio, powerpc/85xx: Add MChk handler for SRIO
 port

Add Machine Check exception handling into RapidIO port driver for
Freescale SoCs (MPC85xx).

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/powerpc/sysdev/fsl_rio.c | 74 +++++++++++++++++++++++++++++++++--
 1 file changed, 70 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 73d5f3e142a..4646cc7aa93 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -32,6 +32,8 @@
 #include <linux/kfifo.h>
 
 #include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/uaccess.h>
 
 #undef DEBUG_PW	/* Port-Write debugging */
 
@@ -47,6 +49,8 @@
 #define RIO_ESCSR		0x158
 #define RIO_CCSR		0x15c
 #define RIO_LTLEDCSR		0x0608
+#define  RIO_LTLEDCSR_IER	0x80000000
+#define  RIO_LTLEDCSR_PRT	0x01000000
 #define RIO_LTLEECSR		0x060c
 #define RIO_EPWISR		0x10010
 #define RIO_ISR_AACR		0x10120
@@ -214,6 +218,54 @@ struct rio_priv {
 	spinlock_t pw_fifo_lock;
 };
 
+#define __fsl_read_rio_config(x, addr, err, op)		\
+	__asm__ __volatile__(				\
+		"1:	"op" %1,0(%2)\n"		\
+		"	eieio\n"			\
+		"2:\n"					\
+		".section .fixup,\"ax\"\n"		\
+		"3:	li %1,-1\n"			\
+		"	li %0,%3\n"			\
+		"	b 2b\n"				\
+		".section __ex_table,\"a\"\n"		\
+		"	.align 2\n"			\
+		"	.long 1b,3b\n"			\
+		".text"					\
+		: "=r" (err), "=r" (x)			\
+		: "b" (addr), "i" (-EFAULT), "0" (err))
+
+static void __iomem *rio_regs_win;
+
+static int (*saved_mcheck_exception)(struct pt_regs *regs);
+
+static int fsl_rio_mcheck_exception(struct pt_regs *regs)
+{
+	const struct exception_table_entry *entry = NULL;
+	unsigned long reason = (mfspr(SPRN_MCSR) & MCSR_MASK);
+
+	if (reason & MCSR_BUS_RBERR) {
+		reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
+		if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
+			/* Check if we are prepared to handle this fault */
+			entry = search_exception_tables(regs->nip);
+			if (entry) {
+				pr_debug("RIO: %s - MC Exception handled\n",
+					 __func__);
+				out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR),
+					 0);
+				regs->msr |= MSR_RI;
+				regs->nip = entry->fixup;
+				return 1;
+			}
+		}
+	}
+
+	if (saved_mcheck_exception)
+		return saved_mcheck_exception(regs);
+	else
+		return cur_cpu_spec->machine_check(regs);
+}
+
 /**
  * fsl_rio_doorbell_send - Send a MPC85xx doorbell message
  * @mport: RapidIO master port info
@@ -314,6 +366,7 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
 {
 	struct rio_priv *priv = mport->priv;
 	u8 *data;
+	u32 rval, err = 0;
 
 	pr_debug
 	    ("fsl_rio_config_read: index %d destid %d hopcount %d offset %8.8x len %d\n",
@@ -324,17 +377,24 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
 	data = (u8 *) priv->maint_win + offset;
 	switch (len) {
 	case 1:
-		*val = in_8((u8 *) data);
+		__fsl_read_rio_config(rval, data, err, "lbz");
 		break;
 	case 2:
-		*val = in_be16((u16 *) data);
+		__fsl_read_rio_config(rval, data, err, "lhz");
 		break;
 	default:
-		*val = in_be32((u32 *) data);
+		__fsl_read_rio_config(rval, data, err, "lwz");
 		break;
 	}
 
-	return 0;
+	if (err) {
+		pr_debug("RIO: cfg_read error %d for %x:%x:%x\n",
+			 err, destid, hopcount, offset);
+	}
+
+	*val = rval;
+
+	return err;
 }
 
 /**
@@ -1365,6 +1425,7 @@ int fsl_rio_setup(struct of_device *dev)
 	rio_register_mport(port);
 
 	priv->regs_win = ioremap(regs.start, regs.end - regs.start + 1);
+	rio_regs_win = priv->regs_win;
 
 	/* Probe the master port phy type */
 	ccsr = in_be32(priv->regs_win + RIO_CCSR);
@@ -1433,6 +1494,11 @@ int fsl_rio_setup(struct of_device *dev)
 	fsl_rio_doorbell_init(port);
 	fsl_rio_port_write_init(port);
 
+	saved_mcheck_exception = ppc_md.machine_check_exception;
+	ppc_md.machine_check_exception = fsl_rio_mcheck_exception;
+	/* Ensure that RFXE is set */
+	mtspr(SPRN_HID1, (mfspr(SPRN_HID1) | 0x20000));
+
 	return 0;
 err:
 	iounmap(priv->regs_win);

From 933af4a6c4913ab4c0691c8fb27fc305063889cd Mon Sep 17 00:00:00 2001
From: Thomas Moll <thomas.moll@sysgo.com>
Date: Wed, 26 May 2010 14:44:01 -0700
Subject: [PATCH 3408/3638] rapidio: add enabling SRIO port RX and TX

Add the functionality to enable Input receiver and Output transmitter of
every port, to allow non-maintenance traffic.

Signed-off-by: Thomas Moll <thomas.moll@sysgo.com>
Signed-off-by: Alexandre Bounine <abounine@tundra.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/Kconfig    | 11 ++++++
 drivers/rapidio/rio-scan.c | 79 +++++++++++++++++++++++++++++++++++++-
 include/linux/rio_regs.h   |  5 +++
 3 files changed, 94 insertions(+), 1 deletion(-)

diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig
index 606cb172c1e..bcb5c206337 100644
--- a/drivers/rapidio/Kconfig
+++ b/drivers/rapidio/Kconfig
@@ -9,4 +9,15 @@ config RAPIDIO_DISC_TIMEOUT
 	  Amount of time a discovery node waits for a host to complete
 	  enumeration before giving up.
 
+config RAPIDIO_ENABLE_RX_TX_PORTS
+	bool "Enable RapidIO Input/Output Ports"
+	depends on RAPIDIO
+	---help---
+	  The RapidIO specification describes a Output port transmit
+	  enable and a Input port receive enable. The recommended state
+	  for Input ports and Output ports should be disabled. When
+	  this switch is set the RapidIO subsystem will enable all
+	  ports for Input/Output direction to allow other traffic
+	  than Maintenance transfers.
+
 source "drivers/rapidio/switches/Kconfig"
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 74633cc6b2e..1faa1a5756e 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -8,6 +8,10 @@
  * Alex Bounine <alexandre.bounine@idt.com>
  * - Added Port-Write/Error Management initialization and handling
  *
+ * Copyright 2009 Sysgo AG
+ * Thomas Moll <thomas.moll@sysgo.com>
+ * - Added Input- Output- enable functionality, to allow full communication
+ *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
  * Free Software Foundation;  either version 2 of the  License, or (at your
@@ -327,6 +331,65 @@ static int __devinit rio_add_device(struct rio_dev *rdev)
 	return 0;
 }
 
+/**
+ * rio_enable_rx_tx_port - enable input reciever and output transmitter of
+ * given port
+ * @port: Master port associated with the RIO network
+ * @local: local=1 select local port otherwise a far device is reached
+ * @destid: Destination ID of the device to check host bit
+ * @hopcount: Number of hops to reach the target
+ * @port_num: Port (-number on switch) to enable on a far end device
+ *
+ * Returns 0 or 1 from on General Control Command and Status Register
+ * (EXT_PTR+0x3C)
+ */
+inline int rio_enable_rx_tx_port(struct rio_mport *port,
+				 int local, u16 destid,
+				 u8 hopcount, u8 port_num) {
+#ifdef CONFIG_RAPIDIO_ENABLE_RX_TX_PORTS
+	u32 regval;
+	u32 ext_ftr_ptr;
+
+	/*
+	* enable rx input tx output port
+	*/
+	pr_debug("rio_enable_rx_tx_port(local = %d, destid = %d, hopcount = "
+		 "%d, port_num = %d)\n", local, destid, hopcount, port_num);
+
+	ext_ftr_ptr = rio_mport_get_physefb(port, local, destid, hopcount);
+
+	if (local) {
+		rio_local_read_config_32(port, ext_ftr_ptr +
+				RIO_PORT_N_CTL_CSR(0),
+				&regval);
+	} else {
+		if (rio_mport_read_config_32(port, destid, hopcount,
+		ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), &regval) < 0)
+			return -EIO;
+	}
+
+	if (regval & RIO_PORT_N_CTL_P_TYP_SER) {
+		/* serial */
+		regval = regval | RIO_PORT_N_CTL_EN_RX_SER
+				| RIO_PORT_N_CTL_EN_TX_SER;
+	} else {
+		/* parallel */
+		regval = regval | RIO_PORT_N_CTL_EN_RX_PAR
+				| RIO_PORT_N_CTL_EN_TX_PAR;
+	}
+
+	if (local) {
+		rio_local_write_config_32(port, ext_ftr_ptr +
+					  RIO_PORT_N_CTL_CSR(0), regval);
+	} else {
+		if (rio_mport_write_config_32(port, destid, hopcount,
+		    ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), regval) < 0)
+			return -EIO;
+	}
+#endif
+	return 0;
+}
+
 /**
  * rio_setup_device- Allocates and sets up a RIO device
  * @net: RIO network
@@ -430,9 +493,14 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
 
 		list_add_tail(&rswitch->node, &rio_switches);
 
-	} else
+	} else {
+		if (do_enum)
+			/*Enable Input Output Port (transmitter reviever)*/
+			rio_enable_rx_tx_port(port, 0, destid, hopcount, 0);
+
 		dev_set_name(&rdev->dev, "%02x:e:%04x", rdev->net->id,
 			     rdev->destid);
+	}
 
 	rdev->dev.bus = &rio_bus_type;
 
@@ -812,6 +880,11 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
 		    rio_name(rdev), rdev->vid, rdev->did, num_ports);
 		sw_destid = next_destid;
 		for (port_num = 0; port_num < num_ports; port_num++) {
+			/*Enable Input Output Port (transmitter reviever)*/
+			rio_enable_rx_tx_port(port, 0,
+					      RIO_ANY_DESTID(port->sys_size),
+					      hopcount, port_num);
+
 			if (sw_inport == port_num) {
 				rdev->rswitch->port_ok |= (1 << port_num);
 				continue;
@@ -1132,6 +1205,10 @@ int __devinit rio_enum_mport(struct rio_mport *mport)
 			rc = -ENOMEM;
 			goto out;
 		}
+
+		/* Enable Input Output Port (transmitter reviever) */
+		rio_enable_rx_tx_port(mport, 1, 0, 0, 0);
+
 		if (rio_enum_peer(net, mport, 0) < 0) {
 			/* A higher priority host won enumeration, bail. */
 			printk(KERN_INFO
diff --git a/include/linux/rio_regs.h b/include/linux/rio_regs.h
index 96ba2159d9f..aedee0489fb 100644
--- a/include/linux/rio_regs.h
+++ b/include/linux/rio_regs.h
@@ -243,7 +243,12 @@
 #define  RIO_PORT_N_CTL_PWIDTH		0xc0000000
 #define  RIO_PORT_N_CTL_PWIDTH_1	0x00000000
 #define  RIO_PORT_N_CTL_PWIDTH_4	0x40000000
+#define  RIO_PORT_N_CTL_P_TYP_SER	0x00000001
 #define  RIO_PORT_N_CTL_LOCKOUT		0x00000002
+#define  RIO_PORT_N_CTL_EN_RX_SER	0x00200000
+#define  RIO_PORT_N_CTL_EN_TX_SER	0x00400000
+#define  RIO_PORT_N_CTL_EN_RX_PAR	0x08000000
+#define  RIO_PORT_N_CTL_EN_TX_PAR	0x40000000
 
 /*
  * Error Management Extensions (RapidIO 1.3+, Part 8)

From 68b04cd38af42dbe4ee28e189633c3c50beb8873 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:44:02 -0700
Subject: [PATCH 3409/3638] rapidio: fix typos and minor edits

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/rio.c            | 1 -
 drivers/rapidio/switches/Kconfig | 8 ++++----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 8fa732e46bf..777e099a3d8 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -445,7 +445,6 @@ static struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from)
 	struct list_head *n;
 	struct rio_dev *rdev;
 
-	WARN_ON(in_interrupt());
 	spin_lock(&rio_global_list_lock);
 	n = from ? from->global_list.next : rio_devices.next;
 
diff --git a/drivers/rapidio/switches/Kconfig b/drivers/rapidio/switches/Kconfig
index 6969f398bc2..2b4e9b2b663 100644
--- a/drivers/rapidio/switches/Kconfig
+++ b/drivers/rapidio/switches/Kconfig
@@ -5,24 +5,24 @@ config RAPIDIO_TSI57X
 	bool "IDT Tsi57x SRIO switches support"
 	depends on RAPIDIO
 	---help---
-	  Includes support for ITD Tsi57x family of serial RapidIO switches.
+	  Includes support for IDT Tsi57x family of serial RapidIO switches.
 
 config RAPIDIO_CPS_XX
 	bool "IDT CPS-xx SRIO switches support"
 	depends on RAPIDIO
 	---help---
-	  Includes support for ITD CPS-16/12/10/8 serial RapidIO switches.
+	  Includes support for IDT CPS-16/12/10/8 serial RapidIO switches.
 
 config RAPIDIO_TSI568
 	bool "Tsi568 SRIO switch support"
 	depends on RAPIDIO
 	default n
 	---help---
-	  Includes support for ITD Tsi568 serial RapidIO switch.
+	  Includes support for IDT Tsi568 serial RapidIO switch.
 
 config RAPIDIO_TSI500
 	bool "Tsi500 Parallel RapidIO switch support"
 	depends on RAPIDIO
 	default n
 	---help---
-	  Includes support for ITD Tsi500 parallel RapidIO switch.
+	  Includes support for IDT Tsi500 parallel RapidIO switch.

From 011507e49a696462c30914e2eeebcdda33ed30f8 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:44:03 -0700
Subject: [PATCH 3410/3638] rapidio: add debug configuration option

Add debug configuration option for RapidIO subsystem.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/Kconfig           | 11 +++++++++++
 drivers/rapidio/Makefile          |  4 ++++
 drivers/rapidio/switches/Makefile |  4 ++++
 3 files changed, 19 insertions(+)

diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig
index bcb5c206337..070211a5955 100644
--- a/drivers/rapidio/Kconfig
+++ b/drivers/rapidio/Kconfig
@@ -21,3 +21,14 @@ config RAPIDIO_ENABLE_RX_TX_PORTS
 	  than Maintenance transfers.
 
 source "drivers/rapidio/switches/Kconfig"
+
+config RAPIDIO_DEBUG
+	bool "RapidIO subsystem debug messages"
+	depends on RAPIDIO
+	help
+	  Say Y here if you want the RapidIO subsystem to produce a bunch of
+	  debug messages to the system log. Select this if you are having a
+	  problem with the RapidIO subsystem and want to see more of what is
+	  going on.
+
+	  If you are unsure about this, say N here.
diff --git a/drivers/rapidio/Makefile b/drivers/rapidio/Makefile
index 7c0e1818de5..b6139fe187b 100644
--- a/drivers/rapidio/Makefile
+++ b/drivers/rapidio/Makefile
@@ -4,3 +4,7 @@
 obj-y += rio.o rio-access.o rio-driver.o rio-scan.o rio-sysfs.o
 
 obj-$(CONFIG_RAPIDIO)		+= switches/
+
+ifeq ($(CONFIG_RAPIDIO_DEBUG),y)
+EXTRA_CFLAGS += -DDEBUG
+endif
diff --git a/drivers/rapidio/switches/Makefile b/drivers/rapidio/switches/Makefile
index 0fece0e6aa8..fe4adc3e8d5 100644
--- a/drivers/rapidio/switches/Makefile
+++ b/drivers/rapidio/switches/Makefile
@@ -6,3 +6,7 @@ obj-$(CONFIG_RAPIDIO_TSI57X)	+= tsi57x.o
 obj-$(CONFIG_RAPIDIO_CPS_XX)	+= idtcps.o
 obj-$(CONFIG_RAPIDIO_TSI568)	+= tsi568.o
 obj-$(CONFIG_RAPIDIO_TSI500)	+= tsi500.o
+
+ifeq ($(CONFIG_RAPIDIO_DEBUG),y)
+EXTRA_CFLAGS += -DDEBUG
+endif

From 058f88d672b3161fe511ebe2996c3faef63c1c8e Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:44:03 -0700
Subject: [PATCH 3411/3638] rapidio: modify initialization of switch operations

Modify the way how RapidIO switch operations are declared.  Multiple
assignments through the linker script replaced by single initialization
call.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/rio-scan.c        | 49 +++++++--------------------
 drivers/rapidio/rio.h             | 56 +++++++++----------------------
 drivers/rapidio/switches/idtcps.c | 27 +++++++++++----
 drivers/rapidio/switches/tsi500.c | 18 +++++++++-
 drivers/rapidio/switches/tsi568.c | 20 +++++++++--
 drivers/rapidio/switches/tsi57x.c | 31 +++++++++++------
 include/asm-generic/vmlinux.lds.h |  9 ++---
 include/linux/rio.h               | 35 ++++---------------
 8 files changed, 111 insertions(+), 134 deletions(-)

diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 1faa1a5756e..566432106cc 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -246,24 +246,24 @@ static int rio_is_switch(struct rio_dev *rdev)
 }
 
 /**
- * rio_route_set_ops- Sets routing operations for a particular vendor switch
+ * rio_switch_init - Sets switch operations for a particular vendor switch
  * @rdev: RIO device
+ * @do_enum: Enumeration/Discovery mode flag
  *
- * Searches the RIO route ops table for known switch types. If the vid
- * and did match a switch table entry, then set the add_entry() and
- * get_entry() ops to the table entry values.
+ * Searches the RIO switch ops table for known switch types. If the vid
+ * and did match a switch table entry, then call switch initialization
+ * routine to setup switch-specific routines.
  */
-static void rio_route_set_ops(struct rio_dev *rdev)
+static void rio_switch_init(struct rio_dev *rdev, int do_enum)
 {
-	struct rio_route_ops *cur = __start_rio_route_ops;
-	struct rio_route_ops *end = __end_rio_route_ops;
+	struct rio_switch_ops *cur = __start_rio_switch_ops;
+	struct rio_switch_ops *end = __end_rio_switch_ops;
 
 	while (cur < end) {
 		if ((cur->vid == rdev->vid) && (cur->did == rdev->did)) {
-			pr_debug("RIO: adding routing ops for %s\n", rio_name(rdev));
-			rdev->rswitch->add_entry = cur->add_hook;
-			rdev->rswitch->get_entry = cur->get_hook;
-			rdev->rswitch->clr_table = cur->clr_hook;
+			pr_debug("RIO: calling init routine for %s\n",
+				 rio_name(rdev));
+			cur->init_hook(rdev, do_enum);
 			break;
 		}
 		cur++;
@@ -282,30 +282,6 @@ static void rio_route_set_ops(struct rio_dev *rdev)
 		       rio_name(rdev));
 }
 
-/**
- * rio_em_set_ops- Sets Error Managment operations for a particular vendor switch
- * @rdev: RIO device
- *
- * Searches the RIO EM ops table for known switch types. If the vid
- * and did match a switch table entry, then set the em_init() and
- * em_handle() ops to the table entry values.
- */
-static void rio_em_set_ops(struct rio_dev *rdev)
-{
-	struct rio_em_ops *cur = __start_rio_em_ops;
-	struct rio_em_ops *end = __end_rio_em_ops;
-
-	while (cur < end) {
-		if ((cur->vid == rdev->vid) && (cur->did == rdev->did)) {
-			pr_debug("RIO: adding EM ops for %s\n", rio_name(rdev));
-			rdev->rswitch->em_init = cur->init_hook;
-			rdev->rswitch->em_handle = cur->handler_hook;
-			break;
-		}
-		cur++;
-	}
-}
-
 /**
  * rio_add_device- Adds a RIO device to the device model
  * @rdev: RIO device
@@ -484,8 +460,7 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
 		rdev->rswitch = rswitch;
 		dev_set_name(&rdev->dev, "%02x:s:%04x", rdev->net->id,
 			     rdev->rswitch->switchid);
-		rio_route_set_ops(rdev);
-		rio_em_set_ops(rdev);
+		rio_switch_init(rdev, do_enum);
 
 		if (do_enum && rdev->rswitch->clr_table)
 			rdev->rswitch->clr_table(port, destid, hopcount,
diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h
index 2f628ce1a1c..f27b7a9c47d 100644
--- a/drivers/rapidio/rio.h
+++ b/drivers/rapidio/rio.h
@@ -39,55 +39,29 @@ extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
 extern struct device_attribute rio_dev_attrs[];
 extern spinlock_t rio_global_list_lock;
 
-extern struct rio_route_ops __start_rio_route_ops[];
-extern struct rio_route_ops __end_rio_route_ops[];
+extern struct rio_switch_ops __start_rio_switch_ops[];
+extern struct rio_switch_ops __end_rio_switch_ops[];
 
 /* Helpers internal to the RIO core code */
-#define DECLARE_RIO_ROUTE_SECTION(section, name, vid, did, add_hook, get_hook, clr_hook) \
-	static const struct rio_route_ops __rio_route_##name __used \
-	__section(section) = { vid, did, add_hook, get_hook, clr_hook };
+#define DECLARE_RIO_SWITCH_SECTION(section, name, vid, did, init_hook) \
+	static const struct rio_switch_ops __rio_switch_##name __used \
+	__section(section) = { vid, did, init_hook };
 
 /**
- * DECLARE_RIO_ROUTE_OPS - Registers switch routing operations
+ * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine
  * @vid: RIO vendor ID
  * @did: RIO device ID
- * @add_hook: Callback that adds a route entry
- * @get_hook: Callback that gets a route entry
+ * @init_hook: Callback that performs switch-specific initialization
  *
- * Manipulating switch route tables in RIO is switch specific. This
- * registers a switch by vendor and device ID with two callbacks for
- * modifying and retrieving route entries in a switch. A &struct
- * rio_route_ops is initialized with the ops and placed into a
- * RIO-specific kernel section.
+ * Manipulating switch route tables and error management in RIO
+ * is switch specific. This registers a switch by vendor and device ID with
+ * initialization callback for setting up switch operations and (if required)
+ * hardware initialization. A &struct rio_switch_ops is initialized with
+ * pointer to the init routine and placed into a RIO-specific kernel section.
  */
-#define DECLARE_RIO_ROUTE_OPS(vid, did, add_hook, get_hook, clr_hook)	\
-	DECLARE_RIO_ROUTE_SECTION(.rio_route_ops, vid##did,		\
-			vid, did, add_hook, get_hook, clr_hook)
+#define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook)		\
+	DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \
+			vid, did, init_hook)
 
 #define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
 #define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
-
-/*
- *   RapidIO Error Management
- */
-extern struct rio_em_ops __start_rio_em_ops[];
-extern struct rio_em_ops __end_rio_em_ops[];
-
-/* Helpers internal to the RIO core code */
-#define DECLARE_RIO_EM_SECTION(section, name, vid, did, init_hook, em_hook)  \
-	static const struct rio_em_ops __rio_em_##name __used   \
-	__section(section) = { vid, did, init_hook, em_hook };
-
-/**
- * DECLARE_RIO_EM_OPS - Registers switch EM operations
- * @vid: RIO vendor ID
- * @did: RIO device ID
- * @init_hook: Callback that initializes device specific EM
- * @em_hook: Callback that handles device specific EM
- *
- * A &struct rio_em_ops is initialized with the ops and placed into a
- * RIO-specific kernel section.
- */
-#define DECLARE_RIO_EM_OPS(vid, did, init_hook, em_hook)	\
-	DECLARE_RIO_EM_SECTION(.rio_em_ops, vid##did,		\
-			vid, did, init_hook, em_hook)
diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c
index 7e3d03283de..46e6630dacd 100644
--- a/drivers/rapidio/switches/idtcps.c
+++ b/drivers/rapidio/switches/idtcps.c
@@ -1,7 +1,8 @@
 /*
  * IDT CPS RapidIO switches support
  *
- * Copyright 2009 Integrated Device Technology, Inc.
+ * Copyright 2009-2010 Integrated Device Technology, Inc.
+ * Alexandre Bounine <alexandre.bounine@idt.com>
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -81,9 +82,21 @@ idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
 	return 0;
 }
 
-DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS6Q, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
-DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS8, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
-DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS10Q, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
-DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS12, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
-DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS16, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
-DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDT70K200, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
+static int idtcps_switch_init(struct rio_dev *rdev, int do_enum)
+{
+	pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
+	rdev->rswitch->add_entry = idtcps_route_add_entry;
+	rdev->rswitch->get_entry = idtcps_route_get_entry;
+	rdev->rswitch->clr_table = idtcps_route_clr_table;
+	rdev->rswitch->em_init = NULL;
+	rdev->rswitch->em_handle = NULL;
+
+	return 0;
+}
+
+DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTCPS6Q, idtcps_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTCPS8, idtcps_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTCPS10Q, idtcps_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTCPS12, idtcps_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTCPS16, idtcps_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDT70K200, idtcps_switch_init);
diff --git a/drivers/rapidio/switches/tsi500.c b/drivers/rapidio/switches/tsi500.c
index ae553bb4108..65b865d64d3 100644
--- a/drivers/rapidio/switches/tsi500.c
+++ b/drivers/rapidio/switches/tsi500.c
@@ -1,6 +1,10 @@
 /*
  * RapidIO Tsi500 switch support
  *
+ * Copyright 2009-2010 Integrated Device Technology, Inc.
+ * Alexandre Bounine <alexandre.bounine@idt.com>
+ *  - Modified switch operations initialization.
+ *
  * Copyright 2005 MontaVista Software, Inc.
  * Matt Porter <mporter@kernel.crashing.org>
  *
@@ -57,4 +61,16 @@ tsi500_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 tab
 	return ret;
 }
 
-DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI500, tsi500_route_add_entry, tsi500_route_get_entry, NULL);
+static int tsi500_switch_init(struct rio_dev *rdev, int do_enum)
+{
+	pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
+	rdev->rswitch->add_entry = tsi500_route_add_entry;
+	rdev->rswitch->get_entry = tsi500_route_get_entry;
+	rdev->rswitch->clr_table = NULL;
+	rdev->rswitch->em_init = NULL;
+	rdev->rswitch->em_handle = NULL;
+
+	return 0;
+}
+
+DECLARE_RIO_SWITCH_INIT(RIO_VID_TUNDRA, RIO_DID_TSI500, tsi500_switch_init);
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c
index 905cf9cb09c..322840d4383 100644
--- a/drivers/rapidio/switches/tsi568.c
+++ b/drivers/rapidio/switches/tsi568.c
@@ -2,6 +2,10 @@
  * RapidIO Tsi568 switch support
  *
  * Copyright 2009-2010 Integrated Device Technology, Inc.
+ * Alexandre Bounine <alexandre.bounine@idt.com>
+ *  - Added EM support
+ *  - Modified switch operations initialization.
+ *
  * Copyright 2005 MontaVista Software, Inc.
  * Matt Porter <mporter@kernel.crashing.org>
  *
@@ -106,8 +110,6 @@ tsi568_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
 	return 0;
 }
 
-DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_route_add_entry, tsi568_route_get_entry, tsi568_route_clr_table);
-
 static int
 tsi568_em_init(struct rio_dev *rdev)
 {
@@ -127,4 +129,16 @@ tsi568_em_init(struct rio_dev *rdev)
 	return 0;
 }
 
-DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_em_init, NULL);
+static int tsi568_switch_init(struct rio_dev *rdev, int do_enum)
+{
+	pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
+	rdev->rswitch->add_entry = tsi568_route_add_entry;
+	rdev->rswitch->get_entry = tsi568_route_get_entry;
+	rdev->rswitch->clr_table = tsi568_route_clr_table;
+	rdev->rswitch->em_init = tsi568_em_init;
+	rdev->rswitch->em_handle = NULL;
+
+	return 0;
+}
+
+DECLARE_RIO_SWITCH_INIT(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_switch_init);
diff --git a/drivers/rapidio/switches/tsi57x.c b/drivers/rapidio/switches/tsi57x.c
index 23040b92ea7..2e902d3e1ab 100644
--- a/drivers/rapidio/switches/tsi57x.c
+++ b/drivers/rapidio/switches/tsi57x.c
@@ -1,7 +1,11 @@
 /*
  * RapidIO Tsi57x switch family support
  *
- * Copyright 2009 Integrated Device Technology, Inc.
+ * Copyright 2009-2010 Integrated Device Technology, Inc.
+ * Alexandre Bounine <alexandre.bounine@idt.com>
+ *  - Added EM support
+ *  - Modified switch operations initialization.
+ *
  * Copyright 2005 MontaVista Software, Inc.
  * Matt Porter <mporter@kernel.crashing.org>
  *
@@ -108,11 +112,6 @@ tsi57x_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
 	return 0;
 }
 
-DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI572, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
-DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI574, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
-DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI577, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
-DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI578, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table);
-
 static int
 tsi57x_em_init(struct rio_dev *rdev)
 {
@@ -253,7 +252,19 @@ exit_es:
 	return 0;
 }
 
-DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI572, tsi57x_em_init, tsi57x_em_handler);
-DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI574, tsi57x_em_init, tsi57x_em_handler);
-DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI577, tsi57x_em_init, tsi57x_em_handler);
-DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI578, tsi57x_em_init, tsi57x_em_handler);
+static int tsi57x_switch_init(struct rio_dev *rdev, int do_enum)
+{
+	pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
+	rdev->rswitch->add_entry = tsi57x_route_add_entry;
+	rdev->rswitch->get_entry = tsi57x_route_get_entry;
+	rdev->rswitch->clr_table = tsi57x_route_clr_table;
+	rdev->rswitch->em_init = tsi57x_em_init;
+	rdev->rswitch->em_handle = tsi57x_em_handler;
+
+	return 0;
+}
+
+DECLARE_RIO_SWITCH_INIT(RIO_VID_TUNDRA, RIO_DID_TSI572, tsi57x_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_TUNDRA, RIO_DID_TSI574, tsi57x_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_TUNDRA, RIO_DID_TSI577, tsi57x_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_TUNDRA, RIO_DID_TSI578, tsi57x_switch_init);
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 8f7c89b2063..ef779c6fc3d 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -248,12 +248,9 @@
 									\
 	/* RapidIO route ops */						\
 	.rio_ops        : AT(ADDR(.rio_ops) - LOAD_OFFSET) {		\
-		VMLINUX_SYMBOL(__start_rio_route_ops) = .;		\
-		*(.rio_route_ops)					\
-		VMLINUX_SYMBOL(__end_rio_route_ops) = .;		\
-		VMLINUX_SYMBOL(__start_rio_em_ops) = .;			\
-		*(.rio_em_ops)						\
-		VMLINUX_SYMBOL(__end_rio_em_ops) = .;			\
+		VMLINUX_SYMBOL(__start_rio_switch_ops) = .;		\
+		*(.rio_switch_ops)					\
+		VMLINUX_SYMBOL(__end_rio_switch_ops) = .;		\
 	}								\
 									\
 	TRACEDATA							\
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 4ec31f44f40..3d0ac930cbe 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -320,40 +320,17 @@ struct rio_device_id {
 };
 
 /**
- * struct rio_route_ops - Per-switch route operations
+ * struct rio_switch_ops - Per-switch operations
  * @vid: RIO vendor ID
  * @did: RIO device ID
- * @add_hook: Callback that adds a route entry
- * @get_hook: Callback that gets a route entry
- * @clr_hook: Callback that clears a switch route table (may be NULL)
+ * @init_hook: Callback that performs switch device initialization
  *
- * Defines the operations that are necessary to manipulate the route
- * tables for a particular RIO switch device.
+ * Defines the operations that are necessary to initialize/control
+ * a particular RIO switch device.
  */
-struct rio_route_ops {
+struct rio_switch_ops {
 	u16 vid, did;
-	int (*add_hook) (struct rio_mport * mport, u16 destid, u8 hopcount,
-			 u16 table, u16 route_destid, u8 route_port);
-	int (*get_hook) (struct rio_mport * mport, u16 destid, u8 hopcount,
-			 u16 table, u16 route_destid, u8 * route_port);
-	int (*clr_hook) (struct rio_mport *mport, u16 destid, u8 hopcount,
-			 u16 table);
-};
-
-/**
- * struct rio_em_ops - Per-switch error management operations
- * @vid: RIO vendor ID
- * @did: RIO device ID
- * @init_hook: Switch specific error management initialization (may be NULL)
- * @handler_hook: Switch specific error management handler (may be NULL)
- *
- * Defines the operations that are necessary to initialize and handle
- * error management events for a particular RIO switch device.
- */
-struct rio_em_ops {
-	u16 vid, did;
-	int (*init_hook) (struct rio_dev *dev);
-	int (*handler_hook) (struct rio_dev *dev, u8 swport);
+	int (*init_hook) (struct rio_dev *rdev, int do_enum);
 };
 
 union rio_pw_msg {

From 7a88d6286240f1e8a0cf9c07252e1576169020f5 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:44:04 -0700
Subject: [PATCH 3412/3638] rapidio: add switch domain routines

Add switch specific domain routines required for 16-bit routing support in
switches with hierarchical implementation of routing tables.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/switches/idtcps.c | 33 +++++++++++++++++++++++
 drivers/rapidio/switches/tsi500.c |  2 ++
 drivers/rapidio/switches/tsi568.c |  2 ++
 drivers/rapidio/switches/tsi57x.c | 45 +++++++++++++++++++++++++++++++
 include/linux/rio.h               |  4 +++
 5 files changed, 86 insertions(+)

diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c
index 46e6630dacd..73c3677e5ac 100644
--- a/drivers/rapidio/switches/idtcps.c
+++ b/drivers/rapidio/switches/idtcps.c
@@ -17,6 +17,8 @@
 
 #define CPS_NO_ROUTE 0xdf
 
+#define IDTCPS_RIO_DOMAIN 0xf20020
+
 static int
 idtcps_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
 		       u16 table, u16 route_destid, u8 route_port)
@@ -82,12 +84,43 @@ idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
 	return 0;
 }
 
+static int
+idtcps_set_domain(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u8 sw_domain)
+{
+	/*
+	 * Switch domain configuration operates only at global level
+	 */
+	rio_mport_write_config_32(mport, destid, hopcount,
+				  IDTCPS_RIO_DOMAIN, (u32)sw_domain);
+	return 0;
+}
+
+static int
+idtcps_get_domain(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u8 *sw_domain)
+{
+	u32 regval;
+
+	/*
+	 * Switch domain configuration operates only at global level
+	 */
+	rio_mport_read_config_32(mport, destid, hopcount,
+				IDTCPS_RIO_DOMAIN, &regval);
+
+	*sw_domain = (u8)(regval & 0xff);
+
+	return 0;
+}
+
 static int idtcps_switch_init(struct rio_dev *rdev, int do_enum)
 {
 	pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
 	rdev->rswitch->add_entry = idtcps_route_add_entry;
 	rdev->rswitch->get_entry = idtcps_route_get_entry;
 	rdev->rswitch->clr_table = idtcps_route_clr_table;
+	rdev->rswitch->set_domain = idtcps_set_domain;
+	rdev->rswitch->get_domain = idtcps_get_domain;
 	rdev->rswitch->em_init = NULL;
 	rdev->rswitch->em_handle = NULL;
 
diff --git a/drivers/rapidio/switches/tsi500.c b/drivers/rapidio/switches/tsi500.c
index 65b865d64d3..914eddd5aa4 100644
--- a/drivers/rapidio/switches/tsi500.c
+++ b/drivers/rapidio/switches/tsi500.c
@@ -67,6 +67,8 @@ static int tsi500_switch_init(struct rio_dev *rdev, int do_enum)
 	rdev->rswitch->add_entry = tsi500_route_add_entry;
 	rdev->rswitch->get_entry = tsi500_route_get_entry;
 	rdev->rswitch->clr_table = NULL;
+	rdev->rswitch->set_domain = NULL;
+	rdev->rswitch->get_domain = NULL;
 	rdev->rswitch->em_init = NULL;
 	rdev->rswitch->em_handle = NULL;
 
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c
index 322840d4383..f7fd7898606 100644
--- a/drivers/rapidio/switches/tsi568.c
+++ b/drivers/rapidio/switches/tsi568.c
@@ -135,6 +135,8 @@ static int tsi568_switch_init(struct rio_dev *rdev, int do_enum)
 	rdev->rswitch->add_entry = tsi568_route_add_entry;
 	rdev->rswitch->get_entry = tsi568_route_get_entry;
 	rdev->rswitch->clr_table = tsi568_route_clr_table;
+	rdev->rswitch->set_domain = NULL;
+	rdev->rswitch->get_domain = NULL;
 	rdev->rswitch->em_init = tsi568_em_init;
 	rdev->rswitch->em_handle = NULL;
 
diff --git a/drivers/rapidio/switches/tsi57x.c b/drivers/rapidio/switches/tsi57x.c
index 2e902d3e1ab..d34df722d95 100644
--- a/drivers/rapidio/switches/tsi57x.c
+++ b/drivers/rapidio/switches/tsi57x.c
@@ -30,13 +30,17 @@
 #define SPP_ROUTE_CFG_PORT(n)	(0x11074 + 0x100*n)
 
 #define TSI578_SP_MODE(n)	(0x11004 + n*0x100)
+#define TSI578_SP_MODE_GLBL	0x10004
 #define  TSI578_SP_MODE_PW_DIS	0x08000000
+#define  TSI578_SP_MODE_LUT_512	0x01000000
 
 #define TSI578_SP_CTL_INDEP(n)	(0x13004 + n*0x100)
 #define TSI578_SP_LUT_PEINF(n)	(0x13010 + n*0x100)
 #define TSI578_SP_CS_TX(n)	(0x13014 + n*0x100)
 #define TSI578_SP_INT_STATUS(n) (0x13018 + n*0x100)
 
+#define TSI578_GLBL_ROUTE_BASE	0x10078
+
 static int
 tsi57x_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
 		       u16 table, u16 route_destid, u8 route_port)
@@ -112,6 +116,45 @@ tsi57x_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
 	return 0;
 }
 
+static int
+tsi57x_set_domain(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u8 sw_domain)
+{
+	u32 regval;
+
+	/*
+	 * Switch domain configuration operates only at global level
+	 */
+
+	/* Turn off flat (LUT_512) mode */
+	rio_mport_read_config_32(mport, destid, hopcount,
+				 TSI578_SP_MODE_GLBL, &regval);
+	rio_mport_write_config_32(mport, destid, hopcount, TSI578_SP_MODE_GLBL,
+				  regval & ~TSI578_SP_MODE_LUT_512);
+	/* Set switch domain base */
+	rio_mport_write_config_32(mport, destid, hopcount,
+				  TSI578_GLBL_ROUTE_BASE,
+				  (u32)(sw_domain << 24));
+	return 0;
+}
+
+static int
+tsi57x_get_domain(struct rio_mport *mport, u16 destid, u8 hopcount,
+		       u8 *sw_domain)
+{
+	u32 regval;
+
+	/*
+	 * Switch domain configuration operates only at global level
+	 */
+	rio_mport_read_config_32(mport, destid, hopcount,
+				TSI578_GLBL_ROUTE_BASE, &regval);
+
+	*sw_domain = (u8)(regval >> 24);
+
+	return 0;
+}
+
 static int
 tsi57x_em_init(struct rio_dev *rdev)
 {
@@ -258,6 +301,8 @@ static int tsi57x_switch_init(struct rio_dev *rdev, int do_enum)
 	rdev->rswitch->add_entry = tsi57x_route_add_entry;
 	rdev->rswitch->get_entry = tsi57x_route_get_entry;
 	rdev->rswitch->clr_table = tsi57x_route_clr_table;
+	rdev->rswitch->set_domain = tsi57x_set_domain;
+	rdev->rswitch->get_domain = tsi57x_get_domain;
 	rdev->rswitch->em_init = tsi57x_em_init;
 	rdev->rswitch->em_handle = tsi57x_em_handler;
 
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 3d0ac930cbe..19b5f227096 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -238,6 +238,10 @@ struct rio_switch {
 			  u16 table, u16 route_destid, u8 * route_port);
 	int (*clr_table) (struct rio_mport *mport, u16 destid, u8 hopcount,
 			  u16 table);
+	int (*set_domain) (struct rio_mport *mport, u16 destid, u8 hopcount,
+			   u8 sw_domain);
+	int (*get_domain) (struct rio_mport *mport, u16 destid, u8 hopcount,
+			   u8 *sw_domain);
 	int (*em_init) (struct rio_dev *dev);
 	int (*em_handle) (struct rio_dev *dev, u8 swport);
 };

From 679395fdaa68de39aaf2ddf7298b504fed9622d3 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Wed, 26 May 2010 14:44:05 -0700
Subject: [PATCH 3413/3638] rapidio: use default route value for CPS switches

Fix to use correct default value for routing table entries.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/switches/idtcps.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c
index 73c3677e5ac..2c790c144f8 100644
--- a/drivers/rapidio/switches/idtcps.c
+++ b/drivers/rapidio/switches/idtcps.c
@@ -15,7 +15,8 @@
 #include <linux/rio_ids.h>
 #include "../rio.h"
 
-#define CPS_NO_ROUTE 0xdf
+#define CPS_DEFAULT_ROUTE	0xde
+#define CPS_NO_ROUTE		0xdf
 
 #define IDTCPS_RIO_DOMAIN 0xf20020
 
@@ -53,10 +54,11 @@ idtcps_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
 		rio_mport_read_config_32(mport, destid, hopcount,
 				RIO_STD_RTE_CONF_PORT_SEL_CSR, &result);
 
-		if (CPS_NO_ROUTE == (u8)result)
-			result = RIO_INVALID_ROUTE;
-
-		*route_port = (u8)result;
+		if (CPS_DEFAULT_ROUTE == (u8)result ||
+		    CPS_NO_ROUTE == (u8)result)
+			*route_port = RIO_INVALID_ROUTE;
+		else
+			*route_port = (u8)result;
 	}
 
 	return 0;
@@ -74,9 +76,9 @@ idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
 				RIO_STD_RTE_CONF_DESTID_SEL_CSR, i);
 			rio_mport_write_config_32(mport, destid, hopcount,
 				RIO_STD_RTE_CONF_PORT_SEL_CSR,
-				(RIO_INVALID_ROUTE << 24) |
-				(RIO_INVALID_ROUTE << 16) |
-				(RIO_INVALID_ROUTE << 8) | RIO_INVALID_ROUTE);
+				(CPS_DEFAULT_ROUTE << 24) |
+				(CPS_DEFAULT_ROUTE << 16) |
+				(CPS_DEFAULT_ROUTE << 8) | CPS_DEFAULT_ROUTE);
 			i += 4;
 		}
 	}

From bd4fb654e3a0d83ca8cb138c5e3e6e65407e119c Mon Sep 17 00:00:00 2001
From: Thomas Moll <thomas.moll@sysgo.com>
Date: Wed, 26 May 2010 14:44:05 -0700
Subject: [PATCH 3414/3638] rapidio: fix maintenance access to higher memory
 areas

Fix the maintenance access functions to farend RapidIO devices.
1. Fixed shift of the given offset, to open the maintenance window
2. Mask offset to limit access to the opened maintenance window
3. Added extended destid part to rowtear register, required for 16bit mode

This method is matching maintenance transactions generation described
by Freescale in the appnote AN2932. With this modification full access
to a 16MB maintenance window is possible, this patch is required for
IDT cps switches. For easier handling of the access routines, the
access was limited to aligned memory regions. This should be no problem
because all registers are 32bit wide.

Signed-off-by: Thomas Moll <thomas.moll@sysgo.com>
Tested-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/powerpc/sysdev/fsl_rio.c | 41 +++++++++++++++++++++++++++--------
 1 file changed, 32 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 4646cc7aa93..cd37e49e703 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1,6 +1,10 @@
 /*
  * Freescale MPC85xx/MPC86xx RapidIO support
  *
+ * Copyright 2009 Sysgo AG
+ * Thomas Moll <thomas.moll@sysgo.com>
+ * - fixed maintenance access routines, check for aligned access
+ *
  * Copyright 2009 Integrated Device Technology, Inc.
  * Alex Bounine <alexandre.bounine@idt.com>
  * - Added Port-Write message handling
@@ -371,10 +375,17 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
 	pr_debug
 	    ("fsl_rio_config_read: index %d destid %d hopcount %d offset %8.8x len %d\n",
 	     index, destid, hopcount, offset, len);
-	out_be32(&priv->maint_atmu_regs->rowtar,
-		 (destid << 22) | (hopcount << 12) | ((offset & ~0x3) >> 9));
 
-	data = (u8 *) priv->maint_win + offset;
+	/* 16MB maintenance window possible */
+	/* allow only aligned access to maintenance registers */
+	if (offset > (0x1000000 - len) || !IS_ALIGNED(offset, len))
+		return -EINVAL;
+
+	out_be32(&priv->maint_atmu_regs->rowtar,
+		 (destid << 22) | (hopcount << 12) | (offset >> 12));
+	out_be32(&priv->maint_atmu_regs->rowtear,  (destid >> 10));
+
+	data = (u8 *) priv->maint_win + (offset & (RIO_MAINT_WIN_SIZE - 1));
 	switch (len) {
 	case 1:
 		__fsl_read_rio_config(rval, data, err, "lbz");
@@ -382,9 +393,11 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
 	case 2:
 		__fsl_read_rio_config(rval, data, err, "lhz");
 		break;
-	default:
+	case 4:
 		__fsl_read_rio_config(rval, data, err, "lwz");
 		break;
+	default:
+		return -EINVAL;
 	}
 
 	if (err) {
@@ -419,10 +432,17 @@ fsl_rio_config_write(struct rio_mport *mport, int index, u16 destid,
 	pr_debug
 	    ("fsl_rio_config_write: index %d destid %d hopcount %d offset %8.8x len %d val %8.8x\n",
 	     index, destid, hopcount, offset, len, val);
-	out_be32(&priv->maint_atmu_regs->rowtar,
-		 (destid << 22) | (hopcount << 12) | ((offset & ~0x3) >> 9));
 
-	data = (u8 *) priv->maint_win + offset;
+	/* 16MB maintenance windows possible */
+	/* allow only aligned access to maintenance registers */
+	if (offset > (0x1000000 - len) || !IS_ALIGNED(offset, len))
+		return -EINVAL;
+
+	out_be32(&priv->maint_atmu_regs->rowtar,
+		 (destid << 22) | (hopcount << 12) | (offset >> 12));
+	out_be32(&priv->maint_atmu_regs->rowtear,  (destid >> 10));
+
+	data = (u8 *) priv->maint_win + (offset & (RIO_MAINT_WIN_SIZE - 1));
 	switch (len) {
 	case 1:
 		out_8((u8 *) data, val);
@@ -430,9 +450,11 @@ fsl_rio_config_write(struct rio_mport *mport, int index, u16 destid,
 	case 2:
 		out_be16((u16 *) data, val);
 		break;
-	default:
+	case 4:
 		out_be32((u32 *) data, val);
 		break;
+	default:
+		return -EINVAL;
 	}
 
 	return 0;
@@ -1483,7 +1505,8 @@ int fsl_rio_setup(struct of_device *dev)
 
 	/* Configure maintenance transaction window */
 	out_be32(&priv->maint_atmu_regs->rowbar, law_start >> 12);
-	out_be32(&priv->maint_atmu_regs->rowar, 0x80077015);	/* 4M */
+	out_be32(&priv->maint_atmu_regs->rowar,
+		 0x80077000 | (ilog2(RIO_MAINT_WIN_SIZE) - 1));
 
 	priv->maint_win = ioremap(law_start, RIO_MAINT_WIN_SIZE);
 

From 72680a191b934377430032f93af15ef50aafb3a8 Mon Sep 17 00:00:00 2001
From: Hedi Berriche <hedi@sgi.com>
Date: Wed, 26 May 2010 14:44:06 -0700
Subject: [PATCH 3415/3638] pids: increase pid_max based on num_possible_cpus

On a system with a substantial number of processors, the early default
pid_max of 32k will not be enough.  A system with 1664 CPU's, there are
25163 processes started before the login prompt.  It's estimated that with
2048 CPU's we will pass the 32k limit.  With 4096, we'll reach that limit
very early during the boot cycle, and processes would stall waiting for an
available pid.

This patch increases the early maximum number of pids available, and
increases the minimum number of pids that can be set during runtime.

[akpm@linux-foundation.org: fix warnings]
Signed-off-by: Hedi Berriche <hedi@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Robin Holt <holt@sgi.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Greg KH <gregkh@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: John Stoffel <john@stoffel.org>
Cc: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/threads.h | 9 +++++++++
 kernel/pid.c            | 7 +++++++
 2 files changed, 16 insertions(+)

diff --git a/include/linux/threads.h b/include/linux/threads.h
index 052b12bec8b..383ab9592be 100644
--- a/include/linux/threads.h
+++ b/include/linux/threads.h
@@ -33,4 +33,13 @@
 #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \
 	(sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT))
 
+/*
+ * Define a minimum number of pids per cpu.  Heuristically based
+ * on original pid max of 32k for 32 cpus.  Also, increase the
+ * minimum settable value for pid_max on the running system based
+ * on similar defaults.  See kernel/pid.c:pidmap_init() for details.
+ */
+#define PIDS_PER_CPU_DEFAULT	1024
+#define PIDS_PER_CPU_MIN	8
+
 #endif
diff --git a/kernel/pid.c b/kernel/pid.c
index aebb30d9c23..e9fd8c132d2 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -513,6 +513,13 @@ void __init pidhash_init(void)
 
 void __init pidmap_init(void)
 {
+	/* bump default and minimum pid_max based on number of cpus */
+	pid_max = min(pid_max_max, max_t(int, pid_max,
+				PIDS_PER_CPU_DEFAULT * num_possible_cpus()));
+	pid_max_min = max_t(int, pid_max_min,
+				PIDS_PER_CPU_MIN * num_possible_cpus());
+	pr_info("pid_max: default: %u minimum: %u\n", pid_max, pid_max_min);
+
 	init_pid_ns.pidmap[0].page = kzalloc(PAGE_SIZE, GFP_KERNEL);
 	/* Reserve PID 0. We never call free_pidmap(0) */
 	set_bit(0, init_pid_ns.pidmap[0].page);

From fa2755e20ab0c7215d99c2dc7c262e98a09b01df Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:44:08 -0700
Subject: [PATCH 3416/3638] INIT_TASK() should initialize ->thread_group list

The trivial /sbin/init doing

	int main(void)
	{
		kill(0, SIGKILL)
	}

crashes the kernel.

This happens because __kill_pgrp_info(init_struct_pid) also sends SIGKILL
to the swapper process which runs with the uninitialized ->thread_group.

Change INIT_TASK() to initialize ->thread_group properly.

Note: the real problem is that the swapper process must not be visible to
signals, see the next patch. But this change is right anyway and fixes
the crash.

Reported-and-tested-by: Mathias Krause <mathias.krause@secunet.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Mathias Krause <Mathias.Krause@secunet.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/init_task.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 0551e0dcb71..6deb1ba52fd 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -163,6 +163,7 @@ extern struct cred init_cred;
 		[PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID),		\
 		[PIDTYPE_SID]  = INIT_PID_LINK(PIDTYPE_SID),		\
 	},								\
+	.thread_group	= LIST_HEAD_INIT(tsk.thread_group),		\
 	.dirties = INIT_PROP_LOCAL_SINGLE(dirties),			\
 	INIT_IDS							\
 	INIT_PERF_EVENTS(tsk)						\

From f20011457f41c11edb5ea5038ad0c8ea9f392023 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:44:10 -0700
Subject: [PATCH 3417/3638] pids: init_struct_pid.tasks should never see the
 swapper process

"statically initialize struct pid for swapper" commit 820e45db says:

	Statically initialize a struct pid for the swapper process (pid_t == 0)
	and attach it to init_task.  This is needed so task_pid(), task_pgrp()
	and task_session() interfaces work on the swapper process also.

OK, but:

	- it doesn't make sense to add init_task.pids[].node into
	  init_struct_pid.tasks[], and in fact this just wrong.

	  idle threads are special, they shouldn't be visible on any
	  global list. In particular do_each_pid_task(init_struct_pid)
	  shouldn't see swapper.

	  This is the actual reason why kill(0, SIGKILL) from /sbin/init
	  (which starts with 0,0 special pids) crashes the kernel. The
	  signal sent to pgid/sid == 0 must never see idle threads, even
	  if the previous patch fixed the crash itself.

	- we have other idle threads running on the non-boot CPUs, see
	  the next patch.

Change INIT_STRUCT_PID/INIT_PID_LINK to create the empty/unhashed
hlist_head/hlist_node. Like any other idle thread swapper can never exit,
so detach_pid()->__hlist_del() is not possible, but we could change
INIT_PID_LINK() to set pprev = &next if needed.

All we need is the valid swapper->pids[].pid == &init_struct_pid.

Reported-by: Mathias Krause <mathias.krause@secunet.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Mathias Krause <Mathias.Krause@secunet.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/init_task.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 6deb1ba52fd..94fecb748a2 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -45,9 +45,9 @@ extern struct group_info init_groups;
 #define INIT_STRUCT_PID {						\
 	.count 		= ATOMIC_INIT(1),				\
 	.tasks		= {						\
-		{ .first = &init_task.pids[PIDTYPE_PID].node },		\
-		{ .first = &init_task.pids[PIDTYPE_PGID].node },	\
-		{ .first = &init_task.pids[PIDTYPE_SID].node },		\
+		{ .first = NULL },					\
+		{ .first = NULL },					\
+		{ .first = NULL },					\
 	},								\
 	.level		= 0,						\
 	.numbers	= { {						\
@@ -61,7 +61,7 @@ extern struct group_info init_groups;
 {								\
 	.node = {						\
 		.next = NULL,					\
-		.pprev = &init_struct_pid.tasks[type].first,	\
+		.pprev = NULL,					\
 	},							\
 	.pid = &init_struct_pid,				\
 }

From f106eee10038c2ee5b6056aaf3f6d5229be6dcdd Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:44:11 -0700
Subject: [PATCH 3418/3638] pids: fix fork_idle() to setup ->pids correctly

copy_process(pid => &init_struct_pid) doesn't do attach_pid/etc.

It shouldn't, but this means that the idle threads run with the wrong
pids copied from the caller's task_struct. In x86 case the caller is
either kernel_init() thread or keventd.

In particular, this means that after the series of cpu_up/cpu_down an
idle thread (which never exits) can run with .pid pointing to nowhere.

Change fork_idle() to initialize idle->pids[] correctly. We only set
.pid = &init_struct_pid but do not add .node to list, INIT_TASK() does
the same for the boot-cpu idle thread (swapper).

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Mathias Krause <Mathias.Krause@secunet.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/fork.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index d32410bd4be..bf9fef6d1bf 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1338,6 +1338,16 @@ noinline struct pt_regs * __cpuinit __attribute__((weak)) idle_regs(struct pt_re
 	return regs;
 }
 
+static inline void init_idle_pids(struct pid_link *links)
+{
+	enum pid_type type;
+
+	for (type = PIDTYPE_PID; type < PIDTYPE_MAX; ++type) {
+		INIT_HLIST_NODE(&links[type].node); /* not really needed */
+		links[type].pid = &init_struct_pid;
+	}
+}
+
 struct task_struct * __cpuinit fork_idle(int cpu)
 {
 	struct task_struct *task;
@@ -1345,8 +1355,10 @@ struct task_struct * __cpuinit fork_idle(int cpu)
 
 	task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL,
 			    &init_struct_pid, 0);
-	if (!IS_ERR(task))
+	if (!IS_ERR(task)) {
+		init_idle_pids(task->pids);
 		init_idle(task, cpu);
+	}
 
 	return task;
 }

From 0a14a130cac9c6826bc81a089b12ab5cbb2b97fc Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 26 May 2010 14:44:12 -0700
Subject: [PATCH 3419/3638] INIT_SIGHAND: use SIG_DFL instead of NULL

Cosmetic, no changes in the compiled code. Just s/NULL/SIG_DFL/ to make
it more readable and grep-friendly.

Note: probably SIG_IGN makes more sense, we could kill ignore_signals().
But then kernel_init() should do flush_signal_handlers() before exec().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Mathias Krause <Mathias.Krause@secunet.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/init_task.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 94fecb748a2..2beaa13492b 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -35,7 +35,7 @@ extern struct nsproxy init_nsproxy;
 
 #define INIT_SIGHAND(sighand) {						\
 	.count		= ATOMIC_INIT(1), 				\
-	.action		= { { { .sa_handler = NULL, } }, },		\
+	.action		= { { { .sa_handler = SIG_DFL, } }, },		\
 	.siglock	= __SPIN_LOCK_UNLOCKED(sighand.siglock),	\
 	.signalfd_wqh	= __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh),	\
 }

From 5960164fde9bc2f2a99e751d3393faea316e7e36 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Wed, 26 May 2010 14:44:13 -0700
Subject: [PATCH 3420/3638] lib/random32: export pseudo-random number generator
 for modules

This patch moves the definition of struct rnd_state and the inline
__seed() function to linux/random.h.  It renames the static __random32()
function to prandom32() and exports it for use in modules.

prandom32() is useful as a privately-seeded pseudo random number generator
that can give the same result every time it is initialized.

For FCoE FC-BB-6 VN2VN mode self-selected unique FC address generation, we
need an pseudo-random number generator seeded with the 64-bit world-wide
port name.  A truly random generator or one seeded with randomness won't
do because the same sequence of numbers should be generated each time we
boot or the link comes up.

A prandom32_seed() inline function is added to the header file.  It is
inlined not for speed, but so the function won't be expanded in the base
kernel, but only in the module that uses it.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/random.h | 28 ++++++++++++++++++++++++++++
 lib/random32.c         | 38 +++++++++++++++++---------------------
 2 files changed, 45 insertions(+), 21 deletions(-)

diff --git a/include/linux/random.h b/include/linux/random.h
index 25d02fe5c9b..fb7ab9de5f3 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -40,6 +40,10 @@ struct rand_pool_info {
 	__u32	buf[0];
 };
 
+struct rnd_state {
+	__u32 s1, s2, s3;
+};
+
 /* Exported functions */
 
 #ifdef __KERNEL__
@@ -74,6 +78,30 @@ unsigned long randomize_range(unsigned long start, unsigned long end, unsigned l
 u32 random32(void);
 void srandom32(u32 seed);
 
+u32 prandom32(struct rnd_state *);
+
+/*
+ * Handle minimum values for seeds
+ */
+static inline u32 __seed(u32 x, u32 m)
+{
+	return (x < m) ? x + m : x;
+}
+
+/**
+ * prandom32_seed - set seed for prandom32().
+ * @state: pointer to state structure to receive the seed.
+ * @seed: arbitrary 64-bit value to use as a seed.
+ */
+static inline void prandom32_seed(struct rnd_state *state, u64 seed)
+{
+	u32 i = (seed >> 32) ^ (seed << 10) ^ seed;
+
+	state->s1 = __seed(i, 1);
+	state->s2 = __seed(i, 7);
+	state->s3 = __seed(i, 15);
+}
+
 #endif /* __KERNEL___ */
 
 #endif /* _LINUX_RANDOM_H */
diff --git a/lib/random32.c b/lib/random32.c
index 217d5c4b666..870dc3fc0f0 100644
--- a/lib/random32.c
+++ b/lib/random32.c
@@ -39,13 +39,16 @@
 #include <linux/jiffies.h>
 #include <linux/random.h>
 
-struct rnd_state {
-	u32 s1, s2, s3;
-};
-
 static DEFINE_PER_CPU(struct rnd_state, net_rand_state);
 
-static u32 __random32(struct rnd_state *state)
+/**
+ *	prandom32 - seeded pseudo-random number generator.
+ *	@state: pointer to state structure holding seeded state.
+ *
+ *	This is used for pseudo-randomness with no outside seeding.
+ *	For more random results, use random32().
+ */
+u32 prandom32(struct rnd_state *state)
 {
 #define TAUSWORTHE(s,a,b,c,d) ((s&c)<<d) ^ (((s <<a) ^ s)>>b)
 
@@ -55,14 +58,7 @@ static u32 __random32(struct rnd_state *state)
 
 	return (state->s1 ^ state->s2 ^ state->s3);
 }
-
-/*
- * Handle minimum values for seeds
- */
-static inline u32 __seed(u32 x, u32 m)
-{
-	return (x < m) ? x + m : x;
-}
+EXPORT_SYMBOL(prandom32);
 
 /**
  *	random32 - pseudo random number generator
@@ -75,7 +71,7 @@ u32 random32(void)
 {
 	unsigned long r;
 	struct rnd_state *state = &get_cpu_var(net_rand_state);
-	r = __random32(state);
+	r = prandom32(state);
 	put_cpu_var(state);
 	return r;
 }
@@ -118,12 +114,12 @@ static int __init random32_init(void)
 		state->s3 = __seed(LCG(state->s2), 15);
 
 		/* "warm it up" */
-		__random32(state);
-		__random32(state);
-		__random32(state);
-		__random32(state);
-		__random32(state);
-		__random32(state);
+		prandom32(state);
+		prandom32(state);
+		prandom32(state);
+		prandom32(state);
+		prandom32(state);
+		prandom32(state);
 	}
 	return 0;
 }
@@ -147,7 +143,7 @@ static int __init random32_reseed(void)
 		state->s3 = __seed(seeds[2], 15);
 
 		/* mix it in */
-		__random32(state);
+		prandom32(state);
 	}
 	return 0;
 }

From 63ae96be98fa35bc058805b664ab15433efd553b Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 26 May 2010 14:44:14 -0700
Subject: [PATCH 3421/3638] drivers/edac: convert logging messages direct uses
 of __FILE__ to %s, __FILE

Reduces text by eliminating multiple __FILE__ uses.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Tim Small <tim@buttersideup.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/edac/i5000_edac.c      | 20 ++++++++++----------
 drivers/edac/i5400_edac.c      | 20 ++++++++++----------
 drivers/edac/i82443bxgx_edac.c | 22 +++++++++++-----------
 3 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/drivers/edac/i5000_edac.c b/drivers/edac/i5000_edac.c
index adc10a2ac5f..996c1bdb5a3 100644
--- a/drivers/edac/i5000_edac.c
+++ b/drivers/edac/i5000_edac.c
@@ -774,7 +774,7 @@ static void i5000_clear_error(struct mem_ctl_info *mci)
 static void i5000_check_error(struct mem_ctl_info *mci)
 {
 	struct i5000_error_info info;
-	debugf4("MC%d: " __FILE__ ": %s()\n", mci->mc_idx, __func__);
+	debugf4("MC%d: %s: %s()\n", mci->mc_idx, __FILE__, __func__);
 	i5000_get_error_info(mci, &info);
 	i5000_process_error_info(mci, &info, 1);
 }
@@ -1353,8 +1353,8 @@ static int i5000_probe1(struct pci_dev *pdev, int dev_idx)
 	int num_dimms_per_channel;
 	int num_csrows;
 
-	debugf0("MC: " __FILE__ ": %s(), pdev bus %u dev=0x%x fn=0x%x\n",
-		__func__,
+	debugf0("MC: %s: %s(), pdev bus %u dev=0x%x fn=0x%x\n",
+		__FILE__, __func__,
 		pdev->bus->number,
 		PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));
 
@@ -1389,7 +1389,7 @@ static int i5000_probe1(struct pci_dev *pdev, int dev_idx)
 		return -ENOMEM;
 
 	kobject_get(&mci->edac_mci_kobj);
-	debugf0("MC: " __FILE__ ": %s(): mci = %p\n", __func__, mci);
+	debugf0("MC: %s: %s(): mci = %p\n", __FILE__, __func__, mci);
 
 	mci->dev = &pdev->dev;	/* record ptr  to the generic device */
 
@@ -1432,8 +1432,8 @@ static int i5000_probe1(struct pci_dev *pdev, int dev_idx)
 
 	/* add this new MC control structure to EDAC's list of MCs */
 	if (edac_mc_add_mc(mci)) {
-		debugf0("MC: " __FILE__
-			": %s(): failed edac_mc_add_mc()\n", __func__);
+		debugf0("MC: %s: %s(): failed edac_mc_add_mc()\n",
+			__FILE__, __func__);
 		/* FIXME: perhaps some code should go here that disables error
 		 * reporting if we just enabled it
 		 */
@@ -1478,7 +1478,7 @@ static int __devinit i5000_init_one(struct pci_dev *pdev,
 {
 	int rc;
 
-	debugf0("MC: " __FILE__ ": %s()\n", __func__);
+	debugf0("MC: %s: %s()\n", __FILE__, __func__);
 
 	/* wake up device */
 	rc = pci_enable_device(pdev);
@@ -1497,7 +1497,7 @@ static void __devexit i5000_remove_one(struct pci_dev *pdev)
 {
 	struct mem_ctl_info *mci;
 
-	debugf0(__FILE__ ": %s()\n", __func__);
+	debugf0("%s: %s()\n", __FILE__, __func__);
 
 	if (i5000_pci)
 		edac_pci_release_generic_ctl(i5000_pci);
@@ -1544,7 +1544,7 @@ static int __init i5000_init(void)
 {
 	int pci_rc;
 
-	debugf2("MC: " __FILE__ ": %s()\n", __func__);
+	debugf2("MC: %s: %s()\n", __FILE__, __func__);
 
        /* Ensure that the OPSTATE is set correctly for POLL or NMI */
        opstate_init();
@@ -1560,7 +1560,7 @@ static int __init i5000_init(void)
  */
 static void __exit i5000_exit(void)
 {
-	debugf2("MC: " __FILE__ ": %s()\n", __func__);
+	debugf2("MC: %s: %s()\n", __FILE__, __func__);
 	pci_unregister_driver(&i5000_driver);
 }
 
diff --git a/drivers/edac/i5400_edac.c b/drivers/edac/i5400_edac.c
index f99d10655ed..010c1d6526f 100644
--- a/drivers/edac/i5400_edac.c
+++ b/drivers/edac/i5400_edac.c
@@ -694,7 +694,7 @@ static void i5400_clear_error(struct mem_ctl_info *mci)
 static void i5400_check_error(struct mem_ctl_info *mci)
 {
 	struct i5400_error_info info;
-	debugf4("MC%d: " __FILE__ ": %s()\n", mci->mc_idx, __func__);
+	debugf4("MC%d: %s: %s()\n", mci->mc_idx, __FILE__, __func__);
 	i5400_get_error_info(mci, &info);
 	i5400_process_error_info(mci, &info);
 }
@@ -1227,8 +1227,8 @@ static int i5400_probe1(struct pci_dev *pdev, int dev_idx)
 	if (dev_idx >= ARRAY_SIZE(i5400_devs))
 		return -EINVAL;
 
-	debugf0("MC: " __FILE__ ": %s(), pdev bus %u dev=0x%x fn=0x%x\n",
-		__func__,
+	debugf0("MC: %s: %s(), pdev bus %u dev=0x%x fn=0x%x\n",
+		__FILE__, __func__,
 		pdev->bus->number,
 		PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));
 
@@ -1256,7 +1256,7 @@ static int i5400_probe1(struct pci_dev *pdev, int dev_idx)
 	if (mci == NULL)
 		return -ENOMEM;
 
-	debugf0("MC: " __FILE__ ": %s(): mci = %p\n", __func__, mci);
+	debugf0("MC: %s: %s(): mci = %p\n", __FILE__, __func__, mci);
 
 	mci->dev = &pdev->dev;	/* record ptr  to the generic device */
 
@@ -1299,8 +1299,8 @@ static int i5400_probe1(struct pci_dev *pdev, int dev_idx)
 
 	/* add this new MC control structure to EDAC's list of MCs */
 	if (edac_mc_add_mc(mci)) {
-		debugf0("MC: " __FILE__
-			": %s(): failed edac_mc_add_mc()\n", __func__);
+		debugf0("MC: %s: %s(): failed edac_mc_add_mc()\n",
+			__FILE__, __func__);
 		/* FIXME: perhaps some code should go here that disables error
 		 * reporting if we just enabled it
 		 */
@@ -1344,7 +1344,7 @@ static int __devinit i5400_init_one(struct pci_dev *pdev,
 {
 	int rc;
 
-	debugf0("MC: " __FILE__ ": %s()\n", __func__);
+	debugf0("MC: %s: %s()\n", __FILE__, __func__);
 
 	/* wake up device */
 	rc = pci_enable_device(pdev);
@@ -1363,7 +1363,7 @@ static void __devexit i5400_remove_one(struct pci_dev *pdev)
 {
 	struct mem_ctl_info *mci;
 
-	debugf0(__FILE__ ": %s()\n", __func__);
+	debugf0("%s: %s()\n", __FILE__, __func__);
 
 	if (i5400_pci)
 		edac_pci_release_generic_ctl(i5400_pci);
@@ -1409,7 +1409,7 @@ static int __init i5400_init(void)
 {
 	int pci_rc;
 
-	debugf2("MC: " __FILE__ ": %s()\n", __func__);
+	debugf2("MC: %s: %s()\n", __FILE__, __func__);
 
 	/* Ensure that the OPSTATE is set correctly for POLL or NMI */
 	opstate_init();
@@ -1425,7 +1425,7 @@ static int __init i5400_init(void)
  */
 static void __exit i5400_exit(void)
 {
-	debugf2("MC: " __FILE__ ": %s()\n", __func__);
+	debugf2("MC: %s: %s()\n", __FILE__, __func__);
 	pci_unregister_driver(&i5400_driver);
 }
 
diff --git a/drivers/edac/i82443bxgx_edac.c b/drivers/edac/i82443bxgx_edac.c
index 2bf2c5051bf..a2fa1feed72 100644
--- a/drivers/edac/i82443bxgx_edac.c
+++ b/drivers/edac/i82443bxgx_edac.c
@@ -178,7 +178,7 @@ static void i82443bxgx_edacmc_check(struct mem_ctl_info *mci)
 {
 	struct i82443bxgx_edacmc_error_info info;
 
-	debugf1("MC%d: " __FILE__ ": %s()\n", mci->mc_idx, __func__);
+	debugf1("MC%d: %s: %s()\n", mci->mc_idx, __FILE__, __func__);
 	i82443bxgx_edacmc_get_error_info(mci, &info);
 	i82443bxgx_edacmc_process_error_info(mci, &info, 1);
 }
@@ -198,13 +198,13 @@ static void i82443bxgx_init_csrows(struct mem_ctl_info *mci,
 	for (index = 0; index < mci->nr_csrows; index++) {
 		csrow = &mci->csrows[index];
 		pci_read_config_byte(pdev, I82443BXGX_DRB + index, &drbar);
-		debugf1("MC%d: " __FILE__ ": %s() Row=%d DRB = %#0x\n",
-			mci->mc_idx, __func__, index, drbar);
+		debugf1("MC%d: %s: %s() Row=%d DRB = %#0x\n",
+			mci->mc_idx, __FILE__, __func__, index, drbar);
 		row_high_limit = ((u32) drbar << 23);
 		/* find the DRAM Chip Select Base address and mask */
-		debugf1("MC%d: " __FILE__ ": %s() Row=%d, "
-			"Boundry Address=%#0x, Last = %#0x \n",
-			mci->mc_idx, __func__, index, row_high_limit,
+		debugf1("MC%d: %s: %s() Row=%d, "
+			"Boundry Address=%#0x, Last = %#0x\n",
+			mci->mc_idx, __FILE__, __func__, index, row_high_limit,
 			row_high_limit_last);
 
 		/* 440GX goes to 2GB, represented with a DRB of 0. */
@@ -237,7 +237,7 @@ static int i82443bxgx_edacmc_probe1(struct pci_dev *pdev, int dev_idx)
 	enum mem_type mtype;
 	enum edac_type edac_mode;
 
-	debugf0("MC: " __FILE__ ": %s()\n", __func__);
+	debugf0("MC: %s: %s()\n", __FILE__, __func__);
 
 	/* Something is really hosed if PCI config space reads from
 	 * the MC aren't working.
@@ -250,7 +250,7 @@ static int i82443bxgx_edacmc_probe1(struct pci_dev *pdev, int dev_idx)
 	if (mci == NULL)
 		return -ENOMEM;
 
-	debugf0("MC: " __FILE__ ": %s(): mci = %p\n", __func__, mci);
+	debugf0("MC: %s: %s(): mci = %p\n", __FILE__, __func__, mci);
 	mci->dev = &pdev->dev;
 	mci->mtype_cap = MEM_FLAG_EDO | MEM_FLAG_SDR | MEM_FLAG_RDR;
 	mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
@@ -336,7 +336,7 @@ static int i82443bxgx_edacmc_probe1(struct pci_dev *pdev, int dev_idx)
 			__func__);
 	}
 
-	debugf3("MC: " __FILE__ ": %s(): success\n", __func__);
+	debugf3("MC: %s: %s(): success\n", __FILE__, __func__);
 	return 0;
 
 fail:
@@ -352,7 +352,7 @@ static int __devinit i82443bxgx_edacmc_init_one(struct pci_dev *pdev,
 {
 	int rc;
 
-	debugf0("MC: " __FILE__ ": %s()\n", __func__);
+	debugf0("MC: %s: %s()\n", __FILE__, __func__);
 
 	/* don't need to call pci_enable_device() */
 	rc = i82443bxgx_edacmc_probe1(pdev, ent->driver_data);
@@ -367,7 +367,7 @@ static void __devexit i82443bxgx_edacmc_remove_one(struct pci_dev *pdev)
 {
 	struct mem_ctl_info *mci;
 
-	debugf0(__FILE__ ": %s()\n", __func__);
+	debugf0("%s: %s()\n", __FILE__, __func__);
 
 	if (i82443bxgx_pci)
 		edac_pci_release_generic_ctl(i82443bxgx_pci);

From 8aee5c89e181fb30076febae1c8eafc0f75493ca Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:15 -0700
Subject: [PATCH 3422/3638] ia64: remove unnecessary sync_single_range_* in
 swiotlb_dma_ops

sync_single_range_for_cpu and sync_single_range_for_device hooks in
swiotlb_dma_ops are unnecessary because sync_single_for_cpu and
sync_single_for_device are used there.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/kernel/pci-swiotlb.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 3095654f9ab..d9485d952ed 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -31,8 +31,6 @@ struct dma_map_ops swiotlb_dma_ops = {
 	.unmap_sg = swiotlb_unmap_sg_attrs,
 	.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
 	.sync_single_for_device = swiotlb_sync_single_for_device,
-	.sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
-	.sync_single_range_for_device = swiotlb_sync_single_range_for_device,
 	.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
 	.sync_sg_for_device = swiotlb_sync_sg_for_device,
 	.dma_supported = swiotlb_dma_supported,

From de006a071cbb08fff6663d98f5b9bac7ffb47559 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:16 -0700
Subject: [PATCH 3423/3638] x86: remove unnecessary sync_single_range_* in
 swiotlb_dma_ops

sync_single_range_for_cpu and sync_single_range_for_device hooks in
swiotlb_dma_ops are unnecessary because sync_single_for_cpu and
sync_single_for_device are used there.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/kernel/pci-swiotlb.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index 7d2829dde20..a5bc528d432 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++ b/arch/x86/kernel/pci-swiotlb.c
@@ -31,8 +31,6 @@ static struct dma_map_ops swiotlb_dma_ops = {
 	.free_coherent = swiotlb_free_coherent,
 	.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
 	.sync_single_for_device = swiotlb_sync_single_for_device,
-	.sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
-	.sync_single_range_for_device = swiotlb_sync_single_range_for_device,
 	.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
 	.sync_sg_for_device = swiotlb_sync_sg_for_device,
 	.map_sg = swiotlb_map_sg_attrs,

From 712d3e22a85156c00bd70dc35efe63e6765b122b Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:17 -0700
Subject: [PATCH 3424/3638] powerpc: remove unnecessary sync_single_range_* in
 swiotlb_dma_ops

sync_single_range_for_cpu and sync_single_range_for_device hooks in
swiotlb_dma_ops are unnecessary because sync_single_for_cpu and
sync_single_for_device are used there.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Becky Bruce <beckyb@kernel.crashing.org>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/powerpc/kernel/dma-swiotlb.c |  4 ++--
 arch/powerpc/kernel/dma.c         | 12 ++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 4ff4da2c238..e7fe218b869 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -39,8 +39,8 @@ struct dma_map_ops swiotlb_dma_ops = {
 	.dma_supported = swiotlb_dma_supported,
 	.map_page = swiotlb_map_page,
 	.unmap_page = swiotlb_unmap_page,
-	.sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
-	.sync_single_range_for_device = swiotlb_sync_single_range_for_device,
+	.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
+	.sync_single_for_device = swiotlb_sync_single_for_device,
 	.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
 	.sync_sg_for_device = swiotlb_sync_sg_for_device,
 	.mapping_error = swiotlb_dma_mapping_error,
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 6c1df5757cd..8d1de6f31d5 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -127,11 +127,11 @@ static inline void dma_direct_sync_sg(struct device *dev,
 		__dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
 }
 
-static inline void dma_direct_sync_single_range(struct device *dev,
-		dma_addr_t dma_handle, unsigned long offset, size_t size,
-		enum dma_data_direction direction)
+static inline void dma_direct_sync_single(struct device *dev,
+					  dma_addr_t dma_handle, size_t size,
+					  enum dma_data_direction direction)
 {
-	__dma_sync(bus_to_virt(dma_handle+offset), size, direction);
+	__dma_sync(bus_to_virt(dma_handle), size, direction);
 }
 #endif
 
@@ -144,8 +144,8 @@ struct dma_map_ops dma_direct_ops = {
 	.map_page	= dma_direct_map_page,
 	.unmap_page	= dma_direct_unmap_page,
 #ifdef CONFIG_NOT_COHERENT_CACHE
-	.sync_single_range_for_cpu 	= dma_direct_sync_single_range,
-	.sync_single_range_for_device 	= dma_direct_sync_single_range,
+	.sync_single_for_cpu 		= dma_direct_sync_single,
+	.sync_single_for_device 	= dma_direct_sync_single,
 	.sync_sg_for_cpu 		= dma_direct_sync_sg,
 	.sync_sg_for_device 		= dma_direct_sync_sg,
 #endif

From 38388301b7b9d2921b58cfa1cd9b14c02d508c63 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:18 -0700
Subject: [PATCH 3425/3638] swiotlb: remove unnecessary
 swiotlb_sync_single_range_*

swiotlb_sync_single_range_for_cpu and swiotlb_sync_single_range_for_device
are unnecessary because swiotlb_sync_single_for_cpu and
swiotlb_sync_single_for_device can be used instead.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/swiotlb.h | 10 ----------
 lib/swiotlb.c           | 31 -------------------------------
 2 files changed, 41 deletions(-)

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index febedcf67c7..81a4e213c6c 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -73,16 +73,6 @@ extern void
 swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
 			   int nelems, enum dma_data_direction dir);
 
-extern void
-swiotlb_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
-				  unsigned long offset, size_t size,
-				  enum dma_data_direction dir);
-
-extern void
-swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,
-				     unsigned long offset, size_t size,
-				     enum dma_data_direction dir);
-
 extern int
 swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
 
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 5fddf720da7..a009055140e 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -756,37 +756,6 @@ swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
 }
 EXPORT_SYMBOL(swiotlb_sync_single_for_device);
 
-/*
- * Same as above, but for a sub-range of the mapping.
- */
-static void
-swiotlb_sync_single_range(struct device *hwdev, dma_addr_t dev_addr,
-			  unsigned long offset, size_t size,
-			  int dir, int target)
-{
-	swiotlb_sync_single(hwdev, dev_addr + offset, size, dir, target);
-}
-
-void
-swiotlb_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
-				  unsigned long offset, size_t size,
-				  enum dma_data_direction dir)
-{
-	swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir,
-				  SYNC_FOR_CPU);
-}
-EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_cpu);
-
-void
-swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,
-				     unsigned long offset, size_t size,
-				     enum dma_data_direction dir)
-{
-	swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir,
-				  SYNC_FOR_DEVICE);
-}
-EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_device);
-
 /*
  * Map a set of buffers described by scatterlist in streaming mode for DMA.
  * This is the scatter-gather version of the above swiotlb_map_page

From 5fd75a7850b5156aa93c9fb6404adb8f563b6e02 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:18 -0700
Subject: [PATCH 3426/3638] dma-mapping: remove unnecessary sync_single_range_*
 in dma_map_ops

sync_single_range_for_cpu and sync_single_range_for_device hooks are
unnecessary because sync_single_for_cpu and sync_single_for_device can
be used instead.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/asm-generic/dma-mapping-common.h | 20 ++------------------
 include/linux/dma-mapping.h              | 10 ----------
 2 files changed, 2 insertions(+), 28 deletions(-)

diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h
index 69206957b72..0c80bb38773 100644
--- a/include/asm-generic/dma-mapping-common.h
+++ b/include/asm-generic/dma-mapping-common.h
@@ -123,15 +123,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
 						 size_t size,
 						 enum dma_data_direction dir)
 {
-	struct dma_map_ops *ops = get_dma_ops(dev);
-
-	BUG_ON(!valid_dma_direction(dir));
-	if (ops->sync_single_range_for_cpu) {
-		ops->sync_single_range_for_cpu(dev, addr, offset, size, dir);
-		debug_dma_sync_single_range_for_cpu(dev, addr, offset, size, dir);
-
-	} else
-		dma_sync_single_for_cpu(dev, addr + offset, size, dir);
+	dma_sync_single_for_cpu(dev, addr + offset, size, dir);
 }
 
 static inline void dma_sync_single_range_for_device(struct device *dev,
@@ -140,15 +132,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
 						    size_t size,
 						    enum dma_data_direction dir)
 {
-	struct dma_map_ops *ops = get_dma_ops(dev);
-
-	BUG_ON(!valid_dma_direction(dir));
-	if (ops->sync_single_range_for_device) {
-		ops->sync_single_range_for_device(dev, addr, offset, size, dir);
-		debug_dma_sync_single_range_for_device(dev, addr, offset, size, dir);
-
-	} else
-		dma_sync_single_for_device(dev, addr + offset, size, dir);
+	dma_sync_single_for_device(dev, addr + offset, size, dir);
 }
 
 static inline void
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ca32ed78b05..2ea149435c4 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -40,16 +40,6 @@ struct dma_map_ops {
 	void (*sync_single_for_device)(struct device *dev,
 				       dma_addr_t dma_handle, size_t size,
 				       enum dma_data_direction dir);
-	void (*sync_single_range_for_cpu)(struct device *dev,
-					  dma_addr_t dma_handle,
-					  unsigned long offset,
-					  size_t size,
-					  enum dma_data_direction dir);
-	void (*sync_single_range_for_device)(struct device *dev,
-					     dma_addr_t dma_handle,
-					     unsigned long offset,
-					     size_t size,
-					     enum dma_data_direction dir);
 	void (*sync_sg_for_cpu)(struct device *dev,
 				struct scatterlist *sg, int nents,
 				enum dma_data_direction dir);

From f671be04dcda09f8383ae26072c0e75a79090193 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:19 -0700
Subject: [PATCH 3427/3638] Documentation: add networking driver's mapping
 error handling to DMA-API-HOWTO

Adds the concrete DMA mapping error handling for Networking drivers on the
transmit path.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/DMA-API-HOWTO.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt
index 2e435adfbd6..93d90870791 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -740,6 +740,11 @@ failure can be determined by:
 		 */
 	}
 
+Networking drivers must call dev_kfree_skb to free the socket buffer
+and return NETDEV_TX_OK if the DMA mapping fails on the transmit hook
+(ndo_start_xmit). This means that the socket buffer is just dropped in
+the failure case.
+
 			   Closing
 
 This document, and the API itself, would not be in its current

From 6d256fa8868b4509310ea201c2d2c04fabea96ab Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:20 -0700
Subject: [PATCH 3428/3638] Staging: saa7134-go7007: replace dma_sync_single
 with dma_sync_single_for_cpu

dma_sync_single() is deprecated and will be removed soon.

No functional change since dma_sync_single is the wrapper of
dma_sync_single_for_cpu.

saa7134-go7007.c is commented out but anyway let's replace it.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/staging/go7007/saa7134-go7007.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/go7007/saa7134-go7007.c b/drivers/staging/go7007/saa7134-go7007.c
index 49f0d31c118..cf7c34a9945 100644
--- a/drivers/staging/go7007/saa7134-go7007.c
+++ b/drivers/staging/go7007/saa7134-go7007.c
@@ -242,13 +242,13 @@ static void saa7134_go7007_irq_ts_done(struct saa7134_dev *dev,
 		printk(KERN_DEBUG "saa7134-go7007: irq: lost %ld\n",
 				(status >> 16) & 0x0f);
 	if (status & 0x100000) {
-		dma_sync_single(&dev->pci->dev,
-				saa->bottom_dma, PAGE_SIZE, DMA_FROM_DEVICE);
+		dma_sync_single_for_cpu(&dev->pci->dev,
+					saa->bottom_dma, PAGE_SIZE, DMA_FROM_DEVICE);
 		go7007_parse_video_stream(go, saa->bottom, PAGE_SIZE);
 		saa_writel(SAA7134_RS_BA2(5), cpu_to_le32(saa->bottom_dma));
 	} else {
-		dma_sync_single(&dev->pci->dev,
-				saa->top_dma, PAGE_SIZE, DMA_FROM_DEVICE);
+		dma_sync_single_for_cpu(&dev->pci->dev,
+					saa->top_dma, PAGE_SIZE, DMA_FROM_DEVICE);
 		go7007_parse_video_stream(go, saa->top, PAGE_SIZE);
 		saa_writel(SAA7134_RS_BA1(5), cpu_to_le32(saa->top_dma));
 	}

From 99d1bd2c131b2da10cf451c69e5b8c51761a901b Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:20 -0700
Subject: [PATCH 3429/3638] dma-mapping: remove deprecated dma_sync_single and
 dma_sync_sg API

Since 2.6.5, it had been commented, 'for backwards compatibility,
removed in 2.7.x'. Since 2.6.31, it have been marked as __deprecated.

I think that we can remove the API safely now.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/dma-mapping.h | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 2ea149435c4..89b7e1a605b 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -95,21 +95,6 @@ static inline int is_device_dma_capable(struct device *dev)
 #include <asm-generic/dma-mapping-broken.h>
 #endif
 
-/* for backwards compatibility, removed soon */
-static inline void __deprecated dma_sync_single(struct device *dev,
-						dma_addr_t addr, size_t size,
-						enum dma_data_direction dir)
-{
-	dma_sync_single_for_cpu(dev, addr, size, dir);
-}
-
-static inline void __deprecated dma_sync_sg(struct device *dev,
-					    struct scatterlist *sg, int nelems,
-					    enum dma_data_direction dir)
-{
-	dma_sync_sg_for_cpu(dev, sg, nelems, dir);
-}
-
 static inline u64 dma_get_mask(struct device *dev)
 {
 	if (dev && dev->dma_mask && *dev->dma_mask)

From 7cdcc8e4762f0e4a94cead6a3b57b5eaa01bd5da Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:21 -0700
Subject: [PATCH 3430/3638] Documentation: add SCSI drivers' mapping error
 handling to DMA-API-HOWTO

Add the concrete DMA mapping error handling for SCSI drivers on the
queuecommand path.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/DMA-API-HOWTO.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt
index 93d90870791..a38ddadd208 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -745,6 +745,10 @@ and return NETDEV_TX_OK if the DMA mapping fails on the transmit hook
 (ndo_start_xmit). This means that the socket buffer is just dropped in
 the failure case.
 
+SCSI drivers must return SCSI_MLQUEUE_HOST_BUSY if the DMA mapping
+fails in the queuecommand hook. This means that the SCSI subsystem
+passes the command to the driver again later.
+
 			   Closing
 
 This document, and the API itself, would not be in its current

From b02de871617be353c941edce5f7c22bb18499b4e Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:21 -0700
Subject: [PATCH 3431/3638] Documentation: update scatterlist struct
 description in DMA-API-HOWTO

Now we have <asm-generic/scatterlist.h>.  Architectures should use it
instead of inventing the own scatterlist struct.  Let's update the
description.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/DMA-API-HOWTO.txt | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt
index a38ddadd208..c3ab456422f 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -703,19 +703,10 @@ to "Closing".
 
 1) Struct scatterlist requirements.
 
-   Struct scatterlist must contain, at a minimum, the following
-   members:
-
-	struct page *page;
-	unsigned int offset;
-	unsigned int length;
-
-   The base address is specified by a "page+offset" pair.
-
-   Previous versions of struct scatterlist contained a "void *address"
-   field that was sometimes used instead of page+offset.  As of Linux
-   2.5., page+offset is always used, and the "address" field has been
-   deleted.
+   Don't invent the architecture specific struct scatterlist; just use
+   <asm-generic/scatterlist.h>. You need to enable
+   CONFIG_NEED_SG_DMA_LENGTH if the architecture supports IOMMUs
+   (including software IOMMU).
 
 2) More to come...
 

From 4ae9ca825e3e28441ef8155c1a81e4c14dfbf38d Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:22 -0700
Subject: [PATCH 3432/3638] Documentation: move the error handling to the
 better place in DMA-API-HOWTO

Handing DMA mapping errors is essential.  Let's put it in the more
appropriate place rather than the end of the doc.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/DMA-API-HOWTO.txt | 60 ++++++++++++++++-----------------
 1 file changed, 30 insertions(+), 30 deletions(-)

diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt
index c3ab456422f..bfd94e90af5 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -639,6 +639,36 @@ is planned to completely remove virt_to_bus() and bus_to_virt() as
 they are entirely deprecated.  Some ports already do not provide these
 as it is impossible to correctly support them.
 
+			Handling Errors
+
+DMA address space is limited on some architectures and an allocation
+failure can be determined by:
+
+- checking if dma_alloc_coherent returns NULL or dma_map_sg returns 0
+
+- checking the returned dma_addr_t of dma_map_single and dma_map_page
+  by using dma_mapping_error():
+
+	dma_addr_t dma_handle;
+
+	dma_handle = dma_map_single(dev, addr, size, direction);
+	if (dma_mapping_error(dev, dma_handle)) {
+		/*
+		 * reduce current DMA mapping usage,
+		 * delay and try again later or
+		 * reset driver.
+		 */
+	}
+
+Networking drivers must call dev_kfree_skb to free the socket buffer
+and return NETDEV_TX_OK if the DMA mapping fails on the transmit hook
+(ndo_start_xmit). This means that the socket buffer is just dropped in
+the failure case.
+
+SCSI drivers must return SCSI_MLQUEUE_HOST_BUSY if the DMA mapping
+fails in the queuecommand hook. This means that the SCSI subsystem
+passes the command to the driver again later.
+
 		Optimizing Unmap State Space Consumption
 
 On many platforms, dma_unmap_{single,page}() is simply a nop.
@@ -710,36 +740,6 @@ to "Closing".
 
 2) More to come...
 
-			Handling Errors
-
-DMA address space is limited on some architectures and an allocation
-failure can be determined by:
-
-- checking if dma_alloc_coherent returns NULL or dma_map_sg returns 0
-
-- checking the returned dma_addr_t of dma_map_single and dma_map_page
-  by using dma_mapping_error():
-
-	dma_addr_t dma_handle;
-
-	dma_handle = dma_map_single(dev, addr, size, direction);
-	if (dma_mapping_error(dev, dma_handle)) {
-		/*
-		 * reduce current DMA mapping usage,
-		 * delay and try again later or
-		 * reset driver.
-		 */
-	}
-
-Networking drivers must call dev_kfree_skb to free the socket buffer
-and return NETDEV_TX_OK if the DMA mapping fails on the transmit hook
-(ndo_start_xmit). This means that the socket buffer is just dropped in
-the failure case.
-
-SCSI drivers must return SCSI_MLQUEUE_HOST_BUSY if the DMA mapping
-fails in the queuecommand hook. This means that the SCSI subsystem
-passes the command to the driver again later.
-
 			   Closing
 
 This document, and the API itself, would not be in its current

From 2fd74e25df46ecb0b54700aba242dcaeb2d75f4a Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:23 -0700
Subject: [PATCH 3433/3638] Documentation/DMA-API-HOWTO: add
 ARCH_KMALLOC_MINALIGN description

Add ARCH_KMALLOC_MINALIGN description in "Platform Issues" section.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/DMA-API-HOWTO.txt | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt
index bfd94e90af5..98ce51796f7 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -738,7 +738,20 @@ to "Closing".
    CONFIG_NEED_SG_DMA_LENGTH if the architecture supports IOMMUs
    (including software IOMMU).
 
-2) More to come...
+2) ARCH_KMALLOC_MINALIGN
+
+   Architectures must ensure that kmalloc'ed buffer is
+   DMA-safe. Drivers and subsystems depend on it. If an architecture
+   isn't fully DMA-coherent (i.e. hardware doesn't ensure that data in
+   the CPU cache is identical to data in main memory),
+   ARCH_KMALLOC_MINALIGN must be set so that the memory allocator
+   makes sure that kmalloc'ed buffer doesn't share a cache line with
+   the others. See arch/arm/include/asm/cache.h as an example.
+
+   Note that ARCH_KMALLOC_MINALIGN is about DMA memory alignment
+   constraints. You don't need to worry about the architecture data
+   alignment constraints (e.g. the alignment constraints about 64-bit
+   objects).
 
 			   Closing
 

From cccad8f9f0f1be585c9dc534857ca9c67e538836 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 14:44:23 -0700
Subject: [PATCH 3434/3638] fs/affs: use ERR_CAST

Use ERR_CAST(x) rather than ERR_PTR(PTR_ERR(x)).  The former makes more
clear what is the purpose of the operation, which otherwise looks like a
no-op.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
T x;
identifier f;
@@

T f (...) { <+...
- ERR_PTR(PTR_ERR(x))
+ x
 ...+> }

@@
expression x;
@@

- ERR_PTR(PTR_ERR(x))
+ ERR_CAST(x)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/affs/namei.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index d70bbbac6b7..914d1c0bc07 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -224,7 +224,7 @@ affs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 		affs_brelse(bh);
 		inode = affs_iget(sb, ino);
 		if (IS_ERR(inode))
-			return ERR_PTR(PTR_ERR(inode));
+			return ERR_CAST(inode);
 	}
 	dentry->d_op = AFFS_SB(sb)->s_flags & SF_INTL ? &affs_intl_dentry_operations : &affs_dentry_operations;
 	d_add(dentry, inode);

From 5b530fc18324602e1ecb70cd280c2194b2656a5e Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Wed, 26 May 2010 14:44:24 -0700
Subject: [PATCH 3435/3638] panic: call console_verbose() in panic

Most distros turn the console verbosity down and that means a backtrace
after a panic never makes it to the console.  I assume we haven't seen
this because a panic is often preceeded by an oops which will have called
console_verbose.  There are however a lot of places we call panic
directly, and they are broken.

Use console_verbose like we do in the oops path to ensure a directly
called panic will print a backtrace.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/panic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/panic.c b/kernel/panic.c
index dbe13dbb057..3b16cd93fa7 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -87,6 +87,7 @@ NORET_TYPE void panic(const char * fmt, ...)
 	 */
 	preempt_disable();
 
+	console_verbose();
 	bust_spinlocks(1);
 	va_start(args, fmt);
 	vsnprintf(buf, sizeof(buf), fmt, args);

From b83733639a494d5f42fa00a2506563fbd2d3015d Mon Sep 17 00:00:00 2001
From: Jeff Moyer <jmoyer@redhat.com>
Date: Wed, 26 May 2010 14:44:25 -0700
Subject: [PATCH 3436/3638] compat: factor out compat_rw_copy_check_uvector
 from compat_do_readv_writev

It was reported in http://lkml.org/lkml/2010/3/8/309 that 32 bit readv and
writev AIO operations were not functioning properly.  It turns out that
the code to convert the 32bit io vectors to 64 bits was never written.
The results of that can be pretty bad, but in my testing, it mostly ended
up in generating EFAULT as we walked off the list of I/O vectors provided.

This patch set fixes the problem in my environment.  are greatly
appreciated.

This patch:

Factor out code that will be used by both compat_do_readv_writev and the
compat aio submission code paths.

Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: <stable@kernel.org>		[2.6.35.1]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/compat.c            | 130 ++++++++++++++++++++++++-----------------
 include/linux/compat.h |   4 ++
 2 files changed, 81 insertions(+), 53 deletions(-)

diff --git a/fs/compat.c b/fs/compat.c
index 05448730f84..7b4aabb3bb3 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -568,6 +568,79 @@ out:
 	return ret;
 }
 
+/* A write operation does a read from user space and vice versa */
+#define vrfy_dir(type) ((type) == READ ? VERIFY_WRITE : VERIFY_READ)
+
+ssize_t compat_rw_copy_check_uvector(int type,
+		const struct compat_iovec __user *uvector, unsigned long nr_segs,
+		unsigned long fast_segs, struct iovec *fast_pointer,
+		struct iovec **ret_pointer)
+{
+	compat_ssize_t tot_len;
+	struct iovec *iov = *ret_pointer = fast_pointer;
+	ssize_t ret = 0;
+	int seg;
+
+	/*
+	 * SuS says "The readv() function *may* fail if the iovcnt argument
+	 * was less than or equal to 0, or greater than {IOV_MAX}.  Linux has
+	 * traditionally returned zero for zero segments, so...
+	 */
+	if (nr_segs == 0)
+		goto out;
+
+	ret = -EINVAL;
+	if (nr_segs > UIO_MAXIOV || nr_segs < 0)
+		goto out;
+	if (nr_segs > fast_segs) {
+		ret = -ENOMEM;
+		iov = kmalloc(nr_segs*sizeof(struct iovec), GFP_KERNEL);
+		if (iov == NULL) {
+			*ret_pointer = fast_pointer;
+			goto out;
+		}
+	}
+	*ret_pointer = iov;
+
+	/*
+	 * Single unix specification:
+	 * We should -EINVAL if an element length is not >= 0 and fitting an
+	 * ssize_t.  The total length is fitting an ssize_t
+	 *
+	 * Be careful here because iov_len is a size_t not an ssize_t
+	 */
+	tot_len = 0;
+	ret = -EINVAL;
+	for (seg = 0; seg < nr_segs; seg++) {
+		compat_ssize_t tmp = tot_len;
+		compat_uptr_t buf;
+		compat_ssize_t len;
+
+		if (__get_user(len, &uvector->iov_len) ||
+		   __get_user(buf, &uvector->iov_base)) {
+			ret = -EFAULT;
+			goto out;
+		}
+		if (len < 0)	/* size_t not fitting in compat_ssize_t .. */
+			goto out;
+		tot_len += len;
+		if (tot_len < tmp) /* maths overflow on the compat_ssize_t */
+			goto out;
+		if (!access_ok(vrfy_dir(type), buf, len)) {
+			ret = -EFAULT;
+			goto out;
+		}
+		iov->iov_base = compat_ptr(buf);
+		iov->iov_len = (compat_size_t) len;
+		uvector++;
+		iov++;
+	}
+	ret = tot_len;
+
+out:
+	return ret;
+}
+
 static inline long
 copy_iocb(long nr, u32 __user *ptr32, struct iocb __user * __user *ptr64)
 {
@@ -1077,70 +1150,21 @@ static ssize_t compat_do_readv_writev(int type, struct file *file,
 {
 	compat_ssize_t tot_len;
 	struct iovec iovstack[UIO_FASTIOV];
-	struct iovec *iov=iovstack, *vector;
+	struct iovec *iov;
 	ssize_t ret;
-	int seg;
 	io_fn_t fn;
 	iov_fn_t fnv;
 
-	/*
-	 * SuS says "The readv() function *may* fail if the iovcnt argument
-	 * was less than or equal to 0, or greater than {IOV_MAX}.  Linux has
-	 * traditionally returned zero for zero segments, so...
-	 */
-	ret = 0;
-	if (nr_segs == 0)
-		goto out;
-
-	/*
-	 * First get the "struct iovec" from user memory and
-	 * verify all the pointers
-	 */
 	ret = -EINVAL;
-	if ((nr_segs > UIO_MAXIOV) || (nr_segs <= 0))
-		goto out;
 	if (!file->f_op)
 		goto out;
-	if (nr_segs > UIO_FASTIOV) {
-		ret = -ENOMEM;
-		iov = kmalloc(nr_segs*sizeof(struct iovec), GFP_KERNEL);
-		if (!iov)
-			goto out;
-	}
+
 	ret = -EFAULT;
 	if (!access_ok(VERIFY_READ, uvector, nr_segs*sizeof(*uvector)))
 		goto out;
 
-	/*
-	 * Single unix specification:
-	 * We should -EINVAL if an element length is not >= 0 and fitting an
-	 * ssize_t.  The total length is fitting an ssize_t
-	 *
-	 * Be careful here because iov_len is a size_t not an ssize_t
-	 */
-	tot_len = 0;
-	vector = iov;
-	ret = -EINVAL;
-	for (seg = 0 ; seg < nr_segs; seg++) {
-		compat_ssize_t tmp = tot_len;
-		compat_ssize_t len;
-		compat_uptr_t buf;
-
-		if (__get_user(len, &uvector->iov_len) ||
-		    __get_user(buf, &uvector->iov_base)) {
-			ret = -EFAULT;
-			goto out;
-		}
-		if (len < 0)	/* size_t not fitting an compat_ssize_t .. */
-			goto out;
-		tot_len += len;
-		if (tot_len < tmp) /* maths overflow on the compat_ssize_t */
-			goto out;
-		vector->iov_base = compat_ptr(buf);
-		vector->iov_len = (compat_size_t) len;
-		uvector++;
-		vector++;
-	}
+	tot_len = compat_rw_copy_check_uvector(type, uvector, nr_segs,
+					       UIO_FASTIOV, iovstack, &iov);
 	if (tot_len == 0) {
 		ret = 0;
 		goto out;
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 717c691ecd8..168f7daa7bd 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -356,5 +356,9 @@ asmlinkage long compat_sys_newfstatat(unsigned int dfd, char __user * filename,
 asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
 				  int flags, int mode);
 
+extern ssize_t compat_rw_copy_check_uvector(int type,
+		const struct compat_iovec __user *uvector, unsigned long nr_segs,
+		unsigned long fast_segs, struct iovec *fast_pointer,
+		struct iovec **ret_pointer);
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */

From 9d85cba718efeef9ca00ce3f7f34f5880737aa9b Mon Sep 17 00:00:00 2001
From: Jeff Moyer <jmoyer@redhat.com>
Date: Wed, 26 May 2010 14:44:26 -0700
Subject: [PATCH 3437/3638] aio: fix the compat vectored operations

The aio compat code was not converting the struct iovecs from 32bit to
64bit pointers, causing either EINVAL to be returned from io_getevents, or
EFAULT as the result of the I/O.  This patch passes a compat flag to
io_submit to signal that pointer conversion is necessary for a given iocb
array.

A variant of this was tested by Michael Tokarev.  I have also updated the
libaio test harness to exercise this code path with good success.
Further, I grabbed a copy of ltp and ran the
testcases/kernel/syscall/readv and writev tests there (compiled with -m32
on my 64bit system).  All seems happy, but extra eyes on this would be
welcome.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: fix CONFIG_COMPAT=n build]
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: <stable@kernel.org>		[2.6.35.1]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/aio.c            | 65 ++++++++++++++++++++++++++++-----------------
 fs/compat.c         |  2 +-
 include/linux/aio.h |  5 ++++
 3 files changed, 47 insertions(+), 25 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 1cf12b3dd83..48fdeebdb54 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -36,6 +36,7 @@
 #include <linux/blkdev.h>
 #include <linux/mempool.h>
 #include <linux/hash.h>
+#include <linux/compat.h>
 
 #include <asm/kmap_types.h>
 #include <asm/uaccess.h>
@@ -1384,13 +1385,22 @@ static ssize_t aio_fsync(struct kiocb *iocb)
 	return ret;
 }
 
-static ssize_t aio_setup_vectored_rw(int type, struct kiocb *kiocb)
+static ssize_t aio_setup_vectored_rw(int type, struct kiocb *kiocb, bool compat)
 {
 	ssize_t ret;
 
-	ret = rw_copy_check_uvector(type, (struct iovec __user *)kiocb->ki_buf,
-				    kiocb->ki_nbytes, 1,
-				    &kiocb->ki_inline_vec, &kiocb->ki_iovec);
+#ifdef CONFIG_COMPAT
+	if (compat)
+		ret = compat_rw_copy_check_uvector(type,
+				(struct compat_iovec __user *)kiocb->ki_buf,
+				kiocb->ki_nbytes, 1, &kiocb->ki_inline_vec,
+				&kiocb->ki_iovec);
+	else
+#endif
+		ret = rw_copy_check_uvector(type,
+				(struct iovec __user *)kiocb->ki_buf,
+				kiocb->ki_nbytes, 1, &kiocb->ki_inline_vec,
+				&kiocb->ki_iovec);
 	if (ret < 0)
 		goto out;
 
@@ -1420,7 +1430,7 @@ static ssize_t aio_setup_single_vector(struct kiocb *kiocb)
  *	Performs the initial checks and aio retry method
  *	setup for the kiocb at the time of io submission.
  */
-static ssize_t aio_setup_iocb(struct kiocb *kiocb)
+static ssize_t aio_setup_iocb(struct kiocb *kiocb, bool compat)
 {
 	struct file *file = kiocb->ki_filp;
 	ssize_t ret = 0;
@@ -1469,7 +1479,7 @@ static ssize_t aio_setup_iocb(struct kiocb *kiocb)
 		ret = security_file_permission(file, MAY_READ);
 		if (unlikely(ret))
 			break;
-		ret = aio_setup_vectored_rw(READ, kiocb);
+		ret = aio_setup_vectored_rw(READ, kiocb, compat);
 		if (ret)
 			break;
 		ret = -EINVAL;
@@ -1483,7 +1493,7 @@ static ssize_t aio_setup_iocb(struct kiocb *kiocb)
 		ret = security_file_permission(file, MAY_WRITE);
 		if (unlikely(ret))
 			break;
-		ret = aio_setup_vectored_rw(WRITE, kiocb);
+		ret = aio_setup_vectored_rw(WRITE, kiocb, compat);
 		if (ret)
 			break;
 		ret = -EINVAL;
@@ -1548,7 +1558,8 @@ static void aio_batch_free(struct hlist_head *batch_hash)
 }
 
 static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
-			 struct iocb *iocb, struct hlist_head *batch_hash)
+			 struct iocb *iocb, struct hlist_head *batch_hash,
+			 bool compat)
 {
 	struct kiocb *req;
 	struct file *file;
@@ -1609,7 +1620,7 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
 	req->ki_left = req->ki_nbytes = iocb->aio_nbytes;
 	req->ki_opcode = iocb->aio_lio_opcode;
 
-	ret = aio_setup_iocb(req);
+	ret = aio_setup_iocb(req, compat);
 
 	if (ret)
 		goto out_put_req;
@@ -1637,20 +1648,8 @@ out_put_req:
 	return ret;
 }
 
-/* sys_io_submit:
- *	Queue the nr iocbs pointed to by iocbpp for processing.  Returns
- *	the number of iocbs queued.  May return -EINVAL if the aio_context
- *	specified by ctx_id is invalid, if nr is < 0, if the iocb at
- *	*iocbpp[0] is not properly initialized, if the operation specified
- *	is invalid for the file descriptor in the iocb.  May fail with
- *	-EFAULT if any of the data structures point to invalid data.  May
- *	fail with -EBADF if the file descriptor specified in the first
- *	iocb is invalid.  May fail with -EAGAIN if insufficient resources
- *	are available to queue any iocbs.  Will return 0 if nr is 0.  Will
- *	fail with -ENOSYS if not implemented.
- */
-SYSCALL_DEFINE3(io_submit, aio_context_t, ctx_id, long, nr,
-		struct iocb __user * __user *, iocbpp)
+long do_io_submit(aio_context_t ctx_id, long nr,
+		  struct iocb __user *__user *iocbpp, bool compat)
 {
 	struct kioctx *ctx;
 	long ret = 0;
@@ -1687,7 +1686,7 @@ SYSCALL_DEFINE3(io_submit, aio_context_t, ctx_id, long, nr,
 			break;
 		}
 
-		ret = io_submit_one(ctx, user_iocb, &tmp, batch_hash);
+		ret = io_submit_one(ctx, user_iocb, &tmp, batch_hash, compat);
 		if (ret)
 			break;
 	}
@@ -1697,6 +1696,24 @@ SYSCALL_DEFINE3(io_submit, aio_context_t, ctx_id, long, nr,
 	return i ? i : ret;
 }
 
+/* sys_io_submit:
+ *	Queue the nr iocbs pointed to by iocbpp for processing.  Returns
+ *	the number of iocbs queued.  May return -EINVAL if the aio_context
+ *	specified by ctx_id is invalid, if nr is < 0, if the iocb at
+ *	*iocbpp[0] is not properly initialized, if the operation specified
+ *	is invalid for the file descriptor in the iocb.  May fail with
+ *	-EFAULT if any of the data structures point to invalid data.  May
+ *	fail with -EBADF if the file descriptor specified in the first
+ *	iocb is invalid.  May fail with -EAGAIN if insufficient resources
+ *	are available to queue any iocbs.  Will return 0 if nr is 0.  Will
+ *	fail with -ENOSYS if not implemented.
+ */
+SYSCALL_DEFINE3(io_submit, aio_context_t, ctx_id, long, nr,
+		struct iocb __user * __user *, iocbpp)
+{
+	return do_io_submit(ctx_id, nr, iocbpp, 0);
+}
+
 /* lookup_kiocb
  *	Finds a given iocb for cancellation.
  */
diff --git a/fs/compat.c b/fs/compat.c
index 7b4aabb3bb3..f0b391c5055 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -673,7 +673,7 @@ compat_sys_io_submit(aio_context_t ctx_id, int nr, u32 __user *iocb)
 	iocb64 = compat_alloc_user_space(nr * sizeof(*iocb64));
 	ret = copy_iocb(nr, iocb, iocb64);
 	if (!ret)
-		ret = sys_io_submit(ctx_id, nr, iocb64);
+		ret = do_io_submit(ctx_id, nr, iocb64, 1);
 	return ret;
 }
 
diff --git a/include/linux/aio.h b/include/linux/aio.h
index 811dbb36937..7a8db415528 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -212,6 +212,8 @@ extern void kick_iocb(struct kiocb *iocb);
 extern int aio_complete(struct kiocb *iocb, long res, long res2);
 struct mm_struct;
 extern void exit_aio(struct mm_struct *mm);
+extern long do_io_submit(aio_context_t ctx_id, long nr,
+			 struct iocb __user *__user *iocbpp, bool compat);
 #else
 static inline ssize_t wait_on_sync_kiocb(struct kiocb *iocb) { return 0; }
 static inline int aio_put_req(struct kiocb *iocb) { return 0; }
@@ -219,6 +221,9 @@ static inline void kick_iocb(struct kiocb *iocb) { }
 static inline int aio_complete(struct kiocb *iocb, long res, long res2) { return 0; }
 struct mm_struct;
 static inline void exit_aio(struct mm_struct *mm) { }
+static inline long do_io_submit(aio_context_t ctx_id, long nr,
+				struct iocb __user * __user *iocbpp,
+				bool compat) { return 0; }
 #endif /* CONFIG_AIO */
 
 static inline struct kiocb *list_kiocb(struct list_head *h)

From edcd1d843adf09d1742d49ae04fa51bb63ddd1c3 Mon Sep 17 00:00:00 2001
From: Cesar Eduardo Barros <cesarb@cesarb.net>
Date: Wed, 26 May 2010 14:44:27 -0700
Subject: [PATCH 3438/3638] radix-tree: fix radix_tree_prev_hole() underflow
 case

radix_tree_prev_hole() used LONG_MAX to detect underflow; however,
ULONG_MAX is clearly what was intended, both here and by its only user
(count_history_pages at mm/readahead.c).

Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/radix-tree.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 2a087e0f986..05da38bcc29 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -656,7 +656,7 @@ EXPORT_SYMBOL(radix_tree_next_hole);
  *
  *	Returns: the index of the hole if found, otherwise returns an index
  *	outside of the set specified (in which case 'index - return >= max_scan'
- *	will be true). In rare cases of wrap-around, LONG_MAX will be returned.
+ *	will be true). In rare cases of wrap-around, ULONG_MAX will be returned.
  *
  *	radix_tree_next_hole may be called under rcu_read_lock. However, like
  *	radix_tree_gang_lookup, this will not atomically search a snapshot of
@@ -674,7 +674,7 @@ unsigned long radix_tree_prev_hole(struct radix_tree_root *root,
 		if (!radix_tree_lookup(root, index))
 			break;
 		index--;
-		if (index == LONG_MAX)
+		if (index == ULONG_MAX)
 			break;
 	}
 

From 2a2a400f66e9e23eba960905c36dd37904bd9970 Mon Sep 17 00:00:00 2001
From: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Date: Wed, 26 May 2010 14:44:28 -0700
Subject: [PATCH 3439/3638] initramfs: add support for in-kernel initramfs
 compressed with LZO

Add the necessary parts to be enable the use of LZO-compressed initramfs
build into the kernel.

Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/gen_initramfs_list.sh |  1 +
 usr/Makefile                  |  5 ++++-
 usr/initramfs_data.lzo.S      | 29 +++++++++++++++++++++++++++++
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 usr/initramfs_data.lzo.S

diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index 76af5f9623e..a932ae52f92 100644
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
@@ -242,6 +242,7 @@ case "$arg" in
 		echo "$output_file" | grep -q "\.gz$" && compr="gzip -9 -f"
 		echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f"
 		echo "$output_file" | grep -q "\.lzma$" && compr="lzma -9 -f"
+		echo "$output_file" | grep -q "\.lzo$" && compr="lzop -9 -f"
 		echo "$output_file" | grep -q "\.cpio$" && compr="cat"
 		shift
 		;;
diff --git a/usr/Makefile b/usr/Makefile
index 1e6a9e4a72c..6b4b6da0b67 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -15,6 +15,9 @@ suffix_$(CONFIG_INITRAMFS_COMPRESSION_BZIP2)  = .bz2
 # Lzma
 suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZMA)   = .lzma
 
+# Lzo
+suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZO)   = .lzo
+
 # Generate builtin.o based on initramfs_data.o
 obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data$(suffix_y).o
 
@@ -45,7 +48,7 @@ endif
 quiet_cmd_initfs = GEN     $@
       cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
 
-targets := initramfs_data.cpio.gz initramfs_data.cpio.bz2 initramfs_data.cpio.lzma initramfs_data.cpio
+targets := initramfs_data.cpio.gz initramfs_data.cpio.bz2 initramfs_data.cpio.lzma initramfs_data.cpio.lzo initramfs_data.cpio
 # do not try to update files included in initramfs
 $(deps_initramfs): ;
 
diff --git a/usr/initramfs_data.lzo.S b/usr/initramfs_data.lzo.S
new file mode 100644
index 00000000000..59211905da8
--- /dev/null
+++ b/usr/initramfs_data.lzo.S
@@ -0,0 +1,29 @@
+/*
+  initramfs_data includes the compressed binary that is the
+  filesystem used for early user space.
+  Note: Older versions of "as" (prior to binutils 2.11.90.0.23
+  released on 2001-07-14) dit not support .incbin.
+  If you are forced to use older binutils than that then the
+  following trick can be applied to create the resulting binary:
+
+
+  ld -m elf_i386  --format binary --oformat elf32-i386 -r \
+  -T initramfs_data.scr initramfs_data.cpio.gz -o initramfs_data.o
+   ld -m elf_i386  -r -o built-in.o initramfs_data.o
+
+  initramfs_data.scr looks like this:
+SECTIONS
+{
+       .init.ramfs : { *(.data) }
+}
+
+  The above example is for i386 - the parameters vary from architectures.
+  Eventually look up LDFLAGS_BLOB in an older version of the
+  arch/$(ARCH)/Makefile to see the flags used before .incbin was introduced.
+
+  Using .incbin has the advantage over ld that the correct flags are set
+  in the ELF header, as required by certain architectures.
+*/
+
+.section .init.ramfs,"a"
+.incbin "usr/initramfs_data.cpio.lzo"

From a48223f9449d0289fc20cd11a98758109830798e Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Wed, 26 May 2010 14:44:29 -0700
Subject: [PATCH 3440/3638] lktdm: add support for hardlockup, softlockup and
 hung task crashes

This adds three new types of kernel "crashes" in the lkdtm driver to
trigger hardlockups, softlockups and task hung states at will.

The first two are useful to test the new generic lockup detector and check
its further regressions.  The latter one is a bonus to check the hung task
detector regressions even though it's not currently in rework.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Simon Kagstrom <simon.kagstrom@netinsight.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/lkdtm.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index 31a991161f0..5bfb2a2041b 100644
--- a/drivers/misc/lkdtm.c
+++ b/drivers/misc/lkdtm.c
@@ -75,6 +75,9 @@ enum ctype {
 	UNALIGNED_LOAD_STORE_WRITE,
 	OVERWRITE_ALLOCATION,
 	WRITE_AFTER_FREE,
+	SOFTLOCKUP,
+	HARDLOCKUP,
+	HUNG_TASK,
 };
 
 static char* cp_name[] = {
@@ -99,6 +102,9 @@ static char* cp_type[] = {
 	"UNALIGNED_LOAD_STORE_WRITE",
 	"OVERWRITE_ALLOCATION",
 	"WRITE_AFTER_FREE",
+	"SOFTLOCKUP",
+	"HARDLOCKUP",
+	"HUNG_TASK",
 };
 
 static struct jprobe lkdtm;
@@ -320,6 +326,20 @@ static void lkdtm_do_action(enum ctype which)
 		memset(data, 0x78, len);
 		break;
 	}
+	case SOFTLOCKUP:
+		preempt_disable();
+		for (;;)
+			cpu_relax();
+		break;
+	case HARDLOCKUP:
+		local_irq_disable();
+		for (;;)
+			cpu_relax();
+		break;
+	case HUNG_TASK:
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule();
+		break;
 	case NONE:
 	default:
 		break;

From 204f3a04449a9a775e465f7d87bcab08f170e59e Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:30 -0700
Subject: [PATCH 3441/3638] asm-generic: remove ISA_DMA_THRESHOLD in
 scatterlist.h

This is the first half of the attempt to use asm-generic/scatterlist.h
on every architecture.

There are only two ways to define scatterlist structure. So it's easy
to convert every architecture to use asm-generic/scatterlist.h.

This patch:

The trick for ISA_DMA_THRESHOLD in asm-generic/scatterlist.h doesn't work
for powerpc.  This lets architectures defin ISA_DMA_THRESHOLD.

Hopefully, we can remove ISA_DMA_THRESHOLD in the future; we can do better
to decide if the bouncing is necessary or not.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/microblaze/include/asm/scatterlist.h | 2 ++
 arch/s390/include/asm/scatterlist.h       | 2 ++
 arch/score/include/asm/scatterlist.h      | 2 ++
 arch/sparc/include/asm/scatterlist.h      | 2 ++
 include/asm-generic/scatterlist.h         | 4 ----
 5 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/microblaze/include/asm/scatterlist.h b/arch/microblaze/include/asm/scatterlist.h
index 35d786fe93a..be44d94cba5 100644
--- a/arch/microblaze/include/asm/scatterlist.h
+++ b/arch/microblaze/include/asm/scatterlist.h
@@ -1 +1,3 @@
+#define ISA_DMA_THRESHOLD	(~0UL)
+
 #include <asm-generic/scatterlist.h>
diff --git a/arch/s390/include/asm/scatterlist.h b/arch/s390/include/asm/scatterlist.h
index 35d786fe93a..be44d94cba5 100644
--- a/arch/s390/include/asm/scatterlist.h
+++ b/arch/s390/include/asm/scatterlist.h
@@ -1 +1,3 @@
+#define ISA_DMA_THRESHOLD	(~0UL)
+
 #include <asm-generic/scatterlist.h>
diff --git a/arch/score/include/asm/scatterlist.h b/arch/score/include/asm/scatterlist.h
index 9f533b8362c..4fa1a665821 100644
--- a/arch/score/include/asm/scatterlist.h
+++ b/arch/score/include/asm/scatterlist.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_SCORE_SCATTERLIST_H
 #define _ASM_SCORE_SCATTERLIST_H
 
+#define ISA_DMA_THRESHOLD	(~0UL)
+
 #include <asm-generic/scatterlist.h>
 
 #endif /* _ASM_SCORE_SCATTERLIST_H */
diff --git a/arch/sparc/include/asm/scatterlist.h b/arch/sparc/include/asm/scatterlist.h
index d1120257b03..0fa0d6da210 100644
--- a/arch/sparc/include/asm/scatterlist.h
+++ b/arch/sparc/include/asm/scatterlist.h
@@ -3,6 +3,8 @@
 
 #define sg_dma_len(sg)     	((sg)->dma_length)
 
+#define ISA_DMA_THRESHOLD	(~0UL)
+
 #include <asm-generic/scatterlist.h>
 
 #endif /* !(_SPARC_SCATTERLIST_H) */
diff --git a/include/asm-generic/scatterlist.h b/include/asm-generic/scatterlist.h
index 8b9454496a7..51a7a43ab0c 100644
--- a/include/asm-generic/scatterlist.h
+++ b/include/asm-generic/scatterlist.h
@@ -34,10 +34,6 @@ struct scatterlist {
 #endif /* 64 bit */
 #endif /* sg_dma_len */
 
-#ifndef ISA_DMA_THRESHOLD
-#define ISA_DMA_THRESHOLD	(~0UL)
-#endif
-
 #define ARCH_HAS_SG_CHAIN
 
 #endif /* __ASM_GENERIC_SCATTERLIST_H */

From 18e98307de0d746cb0845ebf66535ce2184c25a2 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:32 -0700
Subject: [PATCH 3442/3638] asm-generic: add NEED_SG_DMA_LENGTH to define
 sg_dma_len()

There are only two ways to define sg_dma_len(); use sg->dma_length or
sg->length.  This patch introduces NEED_SG_DMA_LENGTH that enables
architectures to choose sg->dma_length or sg->length.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/Kconfig                    |  3 +++
 arch/sh/Kconfig                      |  3 +++
 arch/sparc/Kconfig                   |  3 +++
 arch/sparc/include/asm/scatterlist.h |  2 --
 arch/x86/Kconfig                     |  3 +++
 include/asm-generic/scatterlist.h    | 13 +++++--------
 6 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9676100b83e..f8afdd271f3 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -56,6 +56,9 @@ config MMU
 config NEED_DMA_MAP_STATE
 	def_bool y
 
+config NEED_SG_DMA_LENGTH
+	def_bool y
+
 config SWIOTLB
        bool
 
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0e318c905ee..c5ee4ce60b5 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -186,6 +186,9 @@ config DMA_NONCOHERENT
 config NEED_DMA_MAP_STATE
 	def_bool DMA_NONCOHERENT
 
+config NEED_SG_DMA_LENGTH
+	def_bool y
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index d6781ce687e..6f1470baa31 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -133,6 +133,9 @@ config ZONE_DMA
 config NEED_DMA_MAP_STATE
 	def_bool y
 
+config NEED_SG_DMA_LENGTH
+	def_bool y
+
 config GENERIC_ISA_DMA
 	bool
 	default y if SPARC32
diff --git a/arch/sparc/include/asm/scatterlist.h b/arch/sparc/include/asm/scatterlist.h
index 0fa0d6da210..69d21bb052f 100644
--- a/arch/sparc/include/asm/scatterlist.h
+++ b/arch/sparc/include/asm/scatterlist.h
@@ -1,8 +1,6 @@
 #ifndef _SPARC_SCATTERLIST_H
 #define _SPARC_SCATTERLIST_H
 
-#define sg_dma_len(sg)     	((sg)->dma_length)
-
 #define ISA_DMA_THRESHOLD	(~0UL)
 
 #include <asm-generic/scatterlist.h>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e0c619c55b4..5bdc143b122 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -109,6 +109,9 @@ config SBUS
 config NEED_DMA_MAP_STATE
        def_bool (X86_64 || DMAR || DMA_API_DEBUG)
 
+config NEED_SG_DMA_LENGTH
+	def_bool X86_64
+
 config GENERIC_ISA_DMA
 	def_bool y
 
diff --git a/include/asm-generic/scatterlist.h b/include/asm-generic/scatterlist.h
index 51a7a43ab0c..5e087944a65 100644
--- a/include/asm-generic/scatterlist.h
+++ b/include/asm-generic/scatterlist.h
@@ -11,7 +11,9 @@ struct scatterlist {
 	unsigned int	offset;
 	unsigned int	length;
 	dma_addr_t	dma_address;
+#ifdef CONFIG_NEED_SG_DMA_LENGTH
 	unsigned int	dma_length;
+#endif
 };
 
 /*
@@ -22,17 +24,12 @@ struct scatterlist {
  * is 0.
  */
 #define sg_dma_address(sg)	((sg)->dma_address)
-#ifndef sg_dma_len
-/*
- * Normally, you have an iommu on 64 bit machines, but not on 32 bit
- * machines. Architectures that are differnt should override this.
- */
-#if __BITS_PER_LONG == 64
+
+#ifdef CONFIG_NEED_SG_DMA_LENGTH
 #define sg_dma_len(sg)		((sg)->dma_length)
 #else
 #define sg_dma_len(sg)		((sg)->length)
-#endif /* 64 bit */
-#endif /* sg_dma_len */
+#endif
 
 #define ARCH_HAS_SG_CHAIN
 

From 4a14d84ea2adc6c02dde4ae2d4552c15e014a475 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 26 May 2010 14:44:33 -0700
Subject: [PATCH 3443/3638] x86_32: use asm-generic/scatterlist.h

Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5bdc143b122..5dc54219e73 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -110,7 +110,7 @@ config NEED_DMA_MAP_STATE
        def_bool (X86_64 || DMAR || DMA_API_DEBUG)
 
 config NEED_SG_DMA_LENGTH
-	def_bool X86_64
+	def_bool y
 
 config GENERIC_ISA_DMA
 	def_bool y

From e32205eb5818ab53dbe0ffe6c6fbdaa9af83de72 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:33 -0700
Subject: [PATCH 3444/3638] powerpc: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/powerpc/Kconfig                   |  3 +++
 arch/powerpc/include/asm/scatterlist.h | 29 +-------------------------
 2 files changed, 4 insertions(+), 28 deletions(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c4c4549c22b..66a315e06dc 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -663,6 +663,9 @@ config ZONE_DMA
 config NEED_DMA_MAP_STATE
 	def_bool (PPC64 || NOT_COHERENT_CACHE)
 
+config NEED_SG_DMA_LENGTH
+	def_bool y
+
 config GENERIC_ISA_DMA
 	bool
 	depends on PPC64 || POWER4 || 6xx && !CPM2
diff --git a/arch/powerpc/include/asm/scatterlist.h b/arch/powerpc/include/asm/scatterlist.h
index 912bf597870..4ae35da4975 100644
--- a/arch/powerpc/include/asm/scatterlist.h
+++ b/arch/powerpc/include/asm/scatterlist.h
@@ -9,38 +9,11 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#ifdef __KERNEL__
-#include <linux/types.h>
 #include <asm/dma.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long sg_magic;
-#endif
-	unsigned long page_link;
-	unsigned int offset;
-	unsigned int length;
-
-	/* For TCE or SWIOTLB support */
-	dma_addr_t dma_address;
-	u32 dma_length;
-};
-
-/*
- * These macros should be used after a dma_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->dma_length)
+#include <asm-generic/scatterlist.h>
 
 #ifdef __powerpc64__
 #define ISA_DMA_THRESHOLD	(~0UL)
 #endif
 
-#define ARCH_HAS_SG_CHAIN
-
-#endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_SCATTERLIST_H */

From 48c7cf4797d04b3ffcb060fa64c3c500b7371e8b Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:34 -0700
Subject: [PATCH 3445/3638] alpha: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/alpha/Kconfig                   |  3 +++
 arch/alpha/include/asm/scatterlist.h | 23 ++++-------------------
 2 files changed, 7 insertions(+), 19 deletions(-)

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 24efdfe277f..3e2e540a0f2 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -61,6 +61,9 @@ config ZONE_DMA
 config NEED_DMA_MAP_STATE
        def_bool y
 
+config NEED_SG_DMA_LENGTH
+	def_bool y
+
 config GENERIC_ISA_DMA
 	bool
 	default y
diff --git a/arch/alpha/include/asm/scatterlist.h b/arch/alpha/include/asm/scatterlist.h
index 440747ca634..85a0ef25516 100644
--- a/arch/alpha/include/asm/scatterlist.h
+++ b/arch/alpha/include/asm/scatterlist.h
@@ -1,25 +1,10 @@
 #ifndef _ALPHA_SCATTERLIST_H
 #define _ALPHA_SCATTERLIST_H
 
-#include <asm/page.h>
-#include <asm/types.h>
-  
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long sg_magic;
-#endif
-	unsigned long page_link;
-	unsigned int offset;
-
-	unsigned int length;
-
-	dma_addr_t dma_address;
-	__u32 dma_length;
-};
-
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->dma_length)
-
 #define ISA_DMA_THRESHOLD (~0UL)
 
+#include <asm-generic/scatterlist.h>
+
+#undef ARCH_HAS_SG_CHAIN
+
 #endif /* !(_ALPHA_SCATTERLIST_H) */

From 1ef04370d823a811d2cca9f237097559a6b99b12 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:34 -0700
Subject: [PATCH 3446/3638] asm-generic: remove ARCH_HAS_SG_CHAIN in
 scatterlist.h

There are more architectures that don't support ARCH_HAS_SG_CHAIN than
those that support it.  This removes removes ARCH_HAS_SG_CHAIN in
asm-generic/scatterlist.h and lets arhictectures to define it.

It's clearer than defining ARCH_HAS_SG_CHAIN asm-generic/scatterlist.h and
undefing it in arhictectures that don't support it.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/alpha/include/asm/scatterlist.h      | 4 +---
 arch/arm/include/asm/scatterlist.h        | 3 ---
 arch/ia64/include/asm/scatterlist.h       | 4 ++--
 arch/microblaze/include/asm/scatterlist.h | 4 ++--
 arch/powerpc/include/asm/scatterlist.h    | 1 +
 arch/sparc/include/asm/scatterlist.h      | 5 +++--
 arch/x86/include/asm/scatterlist.h        | 5 +++--
 include/asm-generic/scatterlist.h         | 2 --
 8 files changed, 12 insertions(+), 16 deletions(-)

diff --git a/arch/alpha/include/asm/scatterlist.h b/arch/alpha/include/asm/scatterlist.h
index 85a0ef25516..5728c52a741 100644
--- a/arch/alpha/include/asm/scatterlist.h
+++ b/arch/alpha/include/asm/scatterlist.h
@@ -1,10 +1,8 @@
 #ifndef _ALPHA_SCATTERLIST_H
 #define _ALPHA_SCATTERLIST_H
 
-#define ISA_DMA_THRESHOLD (~0UL)
-
 #include <asm-generic/scatterlist.h>
 
-#undef ARCH_HAS_SG_CHAIN
+#define ISA_DMA_THRESHOLD (~0UL)
 
 #endif /* !(_ALPHA_SCATTERLIST_H) */
diff --git a/arch/arm/include/asm/scatterlist.h b/arch/arm/include/asm/scatterlist.h
index bcda59f3994..2f87870d934 100644
--- a/arch/arm/include/asm/scatterlist.h
+++ b/arch/arm/include/asm/scatterlist.h
@@ -3,9 +3,6 @@
 
 #include <asm/memory.h>
 #include <asm/types.h>
-
 #include <asm-generic/scatterlist.h>
 
-#undef ARCH_HAS_SG_CHAIN
-
 #endif /* _ASMARM_SCATTERLIST_H */
diff --git a/arch/ia64/include/asm/scatterlist.h b/arch/ia64/include/asm/scatterlist.h
index d8e98961dec..f299a4fb25c 100644
--- a/arch/ia64/include/asm/scatterlist.h
+++ b/arch/ia64/include/asm/scatterlist.h
@@ -1,6 +1,7 @@
 #ifndef _ASM_IA64_SCATTERLIST_H
 #define _ASM_IA64_SCATTERLIST_H
 
+#include <asm-generic/scatterlist.h>
 /*
  * It used to be that ISA_DMA_THRESHOLD had something to do with the
  * DMA-limits of ISA-devices.  Nowadays, its only remaining use (apart
@@ -10,7 +11,6 @@
  * that's 4GB - 1.
  */
 #define ISA_DMA_THRESHOLD	0xffffffff
-
-#include <asm-generic/scatterlist.h>
+#define ARCH_HAS_SG_CHAIN
 
 #endif /* _ASM_IA64_SCATTERLIST_H */
diff --git a/arch/microblaze/include/asm/scatterlist.h b/arch/microblaze/include/asm/scatterlist.h
index be44d94cba5..dc4a8900cc8 100644
--- a/arch/microblaze/include/asm/scatterlist.h
+++ b/arch/microblaze/include/asm/scatterlist.h
@@ -1,3 +1,3 @@
-#define ISA_DMA_THRESHOLD	(~0UL)
-
 #include <asm-generic/scatterlist.h>
+
+#define ISA_DMA_THRESHOLD	(~0UL)
diff --git a/arch/powerpc/include/asm/scatterlist.h b/arch/powerpc/include/asm/scatterlist.h
index 4ae35da4975..34cc78fd0ef 100644
--- a/arch/powerpc/include/asm/scatterlist.h
+++ b/arch/powerpc/include/asm/scatterlist.h
@@ -15,5 +15,6 @@
 #ifdef __powerpc64__
 #define ISA_DMA_THRESHOLD	(~0UL)
 #endif
+#define ARCH_HAS_SG_CHAIN
 
 #endif /* _ASM_POWERPC_SCATTERLIST_H */
diff --git a/arch/sparc/include/asm/scatterlist.h b/arch/sparc/include/asm/scatterlist.h
index 69d21bb052f..433e45f05fd 100644
--- a/arch/sparc/include/asm/scatterlist.h
+++ b/arch/sparc/include/asm/scatterlist.h
@@ -1,8 +1,9 @@
 #ifndef _SPARC_SCATTERLIST_H
 #define _SPARC_SCATTERLIST_H
 
-#define ISA_DMA_THRESHOLD	(~0UL)
-
 #include <asm-generic/scatterlist.h>
 
+#define ISA_DMA_THRESHOLD	(~0UL)
+#define ARCH_HAS_SG_CHAIN
+
 #endif /* !(_SPARC_SCATTERLIST_H) */
diff --git a/arch/x86/include/asm/scatterlist.h b/arch/x86/include/asm/scatterlist.h
index 75af592677e..fb0b1874396 100644
--- a/arch/x86/include/asm/scatterlist.h
+++ b/arch/x86/include/asm/scatterlist.h
@@ -1,8 +1,9 @@
 #ifndef _ASM_X86_SCATTERLIST_H
 #define _ASM_X86_SCATTERLIST_H
 
-#define ISA_DMA_THRESHOLD (0x00ffffff)
-
 #include <asm-generic/scatterlist.h>
 
+#define ISA_DMA_THRESHOLD (0x00ffffff)
+#define ARCH_HAS_SG_CHAIN
+
 #endif /* _ASM_X86_SCATTERLIST_H */
diff --git a/include/asm-generic/scatterlist.h b/include/asm-generic/scatterlist.h
index 5e087944a65..5de07355fad 100644
--- a/include/asm-generic/scatterlist.h
+++ b/include/asm-generic/scatterlist.h
@@ -31,6 +31,4 @@ struct scatterlist {
 #define sg_dma_len(sg)		((sg)->length)
 #endif
 
-#define ARCH_HAS_SG_CHAIN
-
 #endif /* __ASM_GENERIC_SCATTERLIST_H */

From 81a791907e69146575e4463d2eb98cf17f55fdb1 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:35 -0700
Subject: [PATCH 3447/3638] avr32: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/avr32/include/asm/scatterlist.h | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h
index 377320e3bd1..06394e5ead6 100644
--- a/arch/avr32/include/asm/scatterlist.h
+++ b/arch/avr32/include/asm/scatterlist.h
@@ -1,25 +1,7 @@
 #ifndef __ASM_AVR32_SCATTERLIST_H
 #define __ASM_AVR32_SCATTERLIST_H
 
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-   unsigned long	sg_magic;
-#endif
-    unsigned long	page_link;
-    unsigned int	offset;
-    dma_addr_t		dma_address;
-    unsigned int	length;
-};
-
-/* These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns.
- */
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->length)
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (0xffffffff)
 

From 16b3f4d65344878cff76306ed2630fa25c0ad5a7 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:35 -0700
Subject: [PATCH 3448/3638] cris: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/cris/include/asm/scatterlist.h | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/arch/cris/include/asm/scatterlist.h b/arch/cris/include/asm/scatterlist.h
index faff53ad1f9..249a7842ff5 100644
--- a/arch/cris/include/asm/scatterlist.h
+++ b/arch/cris/include/asm/scatterlist.h
@@ -1,22 +1,7 @@
 #ifndef __ASM_CRIS_SCATTERLIST_H
 #define __ASM_CRIS_SCATTERLIST_H
 
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long sg_magic;
-#endif
-	char *  address;    /* Location data is to be transferred to */
-	unsigned int length;
-
-	/* The following is i386 highmem junk - not used by us */
-	unsigned long page_link;
-	unsigned int offset;/* for highmem, page offset */
-
-};
-
-#define sg_dma_address(sg)	((sg)->address)
-#define sg_dma_len(sg)		((sg)->length)
-/* i386 junk */
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (0x1fffffff)
 

From 5b0e27ce35b040425332437fb314188ec5b71f11 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:36 -0700
Subject: [PATCH 3449/3638] h8300: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/h8300/include/asm/scatterlist.h | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/arch/h8300/include/asm/scatterlist.h b/arch/h8300/include/asm/scatterlist.h
index d3ecdd87ac9..de08a4a2cc1 100644
--- a/arch/h8300/include/asm/scatterlist.h
+++ b/arch/h8300/include/asm/scatterlist.h
@@ -1,17 +1,7 @@
 #ifndef _H8300_SCATTERLIST_H
 #define _H8300_SCATTERLIST_H
 
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long	sg_magic;
-#endif
-	unsigned long	page_link;
-	unsigned int	offset;
-	dma_addr_t	dma_address;
-	unsigned int	length;
-};
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD	(0xffffffff)
 

From f7f2dde35af75a52fe2c9ff0da7500e82e00c736 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:37 -0700
Subject: [PATCH 3450/3638] m32r: use use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/m32r/include/asm/scatterlist.h | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/arch/m32r/include/asm/scatterlist.h b/arch/m32r/include/asm/scatterlist.h
index 1ed372c73d0..aeeddd8dac1 100644
--- a/arch/m32r/include/asm/scatterlist.h
+++ b/arch/m32r/include/asm/scatterlist.h
@@ -1,20 +1,7 @@
 #ifndef _ASM_M32R_SCATTERLIST_H
 #define _ASM_M32R_SCATTERLIST_H
 
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-    unsigned long sg_magic;
-#endif
-    char *  address;    /* Location data is to be transferred to, NULL for
-                         * highmem page */
-    unsigned long page_link;
-    unsigned int offset;/* for highmem, page offset */
-
-    dma_addr_t dma_address;
-    unsigned int length;
-};
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (0x1fffffff)
 

From 9da655480c36bd128a467e6b1183b2caf4716fd1 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:39 -0700
Subject: [PATCH 3451/3638] m68k: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/m68k/include/asm/scatterlist.h | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/arch/m68k/include/asm/scatterlist.h b/arch/m68k/include/asm/scatterlist.h
index e27ad902b1c..175da06c6b9 100644
--- a/arch/m68k/include/asm/scatterlist.h
+++ b/arch/m68k/include/asm/scatterlist.h
@@ -1,23 +1,9 @@
 #ifndef _M68K_SCATTERLIST_H
 #define _M68K_SCATTERLIST_H
 
-#include <linux/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long sg_magic;
-#endif
-	unsigned long page_link;
-	unsigned int offset;
-	unsigned int length;
-
-	dma_addr_t dma_address;	/* A place to hang host-specific addresses at. */
-};
+#include <asm-generic/scatterlist.h>
 
 /* This is bogus and should go away. */
 #define ISA_DMA_THRESHOLD (0x00ffffff)
 
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->length)
-
 #endif /* !(_M68K_SCATTERLIST_H) */

From d904c5bf8fa8bf8be6fb312baa9fa1cd5e86a83e Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:40 -0700
Subject: [PATCH 3452/3638] mips: use use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/mips/include/asm/scatterlist.h | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/arch/mips/include/asm/scatterlist.h b/arch/mips/include/asm/scatterlist.h
index 83d69fe17c9..9af65e79be3 100644
--- a/arch/mips/include/asm/scatterlist.h
+++ b/arch/mips/include/asm/scatterlist.h
@@ -1,27 +1,7 @@
 #ifndef __ASM_SCATTERLIST_H
 #define __ASM_SCATTERLIST_H
 
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long	sg_magic;
-#endif
-	unsigned long	page_link;
-	unsigned int	offset;
-	dma_addr_t	dma_address;
-	unsigned int	length;
-};
-
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->length)
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (0x00ffffffUL)
 

From 6ba686711122462e26a6b355712a321297a2e6d0 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:41 -0700
Subject: [PATCH 3453/3638] xtensa: use use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/xtensa/include/asm/scatterlist.h | 23 +----------------------
 1 file changed, 1 insertion(+), 22 deletions(-)

diff --git a/arch/xtensa/include/asm/scatterlist.h b/arch/xtensa/include/asm/scatterlist.h
index 810080bb0a2..b1f9fdc1d5b 100644
--- a/arch/xtensa/include/asm/scatterlist.h
+++ b/arch/xtensa/include/asm/scatterlist.h
@@ -11,28 +11,7 @@
 #ifndef _XTENSA_SCATTERLIST_H
 #define _XTENSA_SCATTERLIST_H
 
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long	sg_magic;
-#endif
-	unsigned long	page_link;
-	unsigned int	offset;
-	dma_addr_t	dma_address;
-	unsigned int	length;
-};
-
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg)      ((sg)->dma_address)
-#define sg_dma_len(sg)          ((sg)->length)
-
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (~0UL)
 

From 459d42b72c1fa76928ff92623ce785a55ee87095 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:41 -0700
Subject: [PATCH 3454/3638] blackfin: use use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/blackfin/include/asm/scatterlist.h | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/arch/blackfin/include/asm/scatterlist.h b/arch/blackfin/include/asm/scatterlist.h
index 04f448711cd..64d41d34ab0 100644
--- a/arch/blackfin/include/asm/scatterlist.h
+++ b/arch/blackfin/include/asm/scatterlist.h
@@ -1,27 +1,7 @@
 #ifndef _BLACKFIN_SCATTERLIST_H
 #define _BLACKFIN_SCATTERLIST_H
 
-#include <linux/mm.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long sg_magic;
-#endif
-	unsigned long page_link;
-	unsigned int offset;
-	dma_addr_t dma_address;
-	unsigned int length;
-};
-
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg)      ((sg)->dma_address)
-#define sg_dma_len(sg)          ((sg)->length)
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD	(0xffffffff)
 

From 3e6e3da8d5eafb5f849a14272ed725f85bed5dc8 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:42 -0700
Subject: [PATCH 3455/3638] frv: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/frv/include/asm/scatterlist.h | 40 +-----------------------------
 1 file changed, 1 insertion(+), 39 deletions(-)

diff --git a/arch/frv/include/asm/scatterlist.h b/arch/frv/include/asm/scatterlist.h
index 4bca8a28546..1614bfd7e3a 100644
--- a/arch/frv/include/asm/scatterlist.h
+++ b/arch/frv/include/asm/scatterlist.h
@@ -1,45 +1,7 @@
 #ifndef _ASM_SCATTERLIST_H
 #define _ASM_SCATTERLIST_H
 
-#include <asm/types.h>
-
-/*
- * Drivers must set either ->address or (preferred) page and ->offset
- * to indicate where data must be transferred to/from.
- *
- * Using page is recommended since it handles highmem data as well as
- * low mem. ->address is restricted to data which has a virtual mapping, and
- * it will go away in the future. Updating to page can be automated very
- * easily -- something like
- *
- * sg->address = some_ptr;
- *
- * can be rewritten as
- *
- * sg_set_buf(sg, some_ptr, length);
- *
- * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens
- */
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long	sg_magic;
-#endif
-	unsigned long	page_link;
-	unsigned int	offset;		/* for highmem, page offset */
-
-	dma_addr_t	dma_address;
-	unsigned int	length;
-};
-
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->length)
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (0xffffffffUL)
 

From 7676679f659ac0112cad02789eb5560da2814e56 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:42 -0700
Subject: [PATCH 3456/3638] mn10300: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/mn10300/include/asm/scatterlist.h | 39 +-------------------------
 1 file changed, 1 insertion(+), 38 deletions(-)

diff --git a/arch/mn10300/include/asm/scatterlist.h b/arch/mn10300/include/asm/scatterlist.h
index 67535901b9f..7bd00b9e030 100644
--- a/arch/mn10300/include/asm/scatterlist.h
+++ b/arch/mn10300/include/asm/scatterlist.h
@@ -11,45 +11,8 @@
 #ifndef _ASM_SCATTERLIST_H
 #define _ASM_SCATTERLIST_H
 
-#include <asm/types.h>
-
-/*
- * Drivers must set either ->address or (preferred) page and ->offset
- * to indicate where data must be transferred to/from.
- *
- * Using page is recommended since it handles highmem data as well as
- * low mem. ->address is restricted to data which has a virtual mapping, and
- * it will go away in the future. Updating to page can be automated very
- * easily -- something like
- *
- * sg->address = some_ptr;
- *
- * can be rewritten as
- *
- * sg_set_page(virt_to_page(some_ptr));
- * sg->offset = (unsigned long) some_ptr & ~PAGE_MASK;
- *
- * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens
- */
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long	sg_magic;
-#endif
-	unsigned long	page_link;
-	unsigned int	offset;		/* for highmem, page offset */
-	dma_addr_t	dma_address;
-	unsigned int	length;
-};
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (0x00ffffff)
 
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns.
- */
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->length)
-
 #endif /* _ASM_SCATTERLIST_H */

From f6ae31c23be6926359e9379acfdbbdd945209f05 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 26 May 2010 14:44:43 -0700
Subject: [PATCH 3457/3638] parisc: use asm-generic/scatterlist.h

parisc uses iova and iova_length in scatterlist structure instead of
dma_address and dma_length.  However, the accessor are used so we can
convert parisc to use asm-generic/scatterlist.h easily.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/parisc/Kconfig                   |  3 +++
 arch/parisc/include/asm/scatterlist.h | 20 ++------------------
 2 files changed, 5 insertions(+), 18 deletions(-)

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 9c4da3d63bf..05a366a5c4d 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -98,6 +98,9 @@ config STACKTRACE_SUPPORT
 config NEED_DMA_MAP_STATE
 	def_bool y
 
+config NEED_SG_DMA_LENGTH
+	def_bool y
+
 config ISA_DMA_API
 	bool
 
diff --git a/arch/parisc/include/asm/scatterlist.h b/arch/parisc/include/asm/scatterlist.h
index 62269b31ebf..2c3b79b54b2 100644
--- a/arch/parisc/include/asm/scatterlist.h
+++ b/arch/parisc/include/asm/scatterlist.h
@@ -3,25 +3,9 @@
 
 #include <asm/page.h>
 #include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long sg_magic;
-#endif
-	unsigned long page_link;
-	unsigned int offset;
-
-	unsigned int length;
-
-	/* an IOVA can be 64-bits on some PA-Risc platforms. */
-	dma_addr_t iova;	/* I/O Virtual Address */
-	__u32      iova_length; /* bytes mapped */
-};
-
-#define sg_virt_addr(sg) ((unsigned long)sg_virt(sg))
-#define sg_dma_address(sg) ((sg)->iova)
-#define sg_dma_len(sg)     ((sg)->iova_length)
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (~0UL)
+#define sg_virt_addr(sg) ((unsigned long)sg_virt(sg))
 
 #endif /* _ASM_PARISC_SCATTERLIST_H */

From e1c54b64027b52ba43b86fe6219910a9e9a88b73 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:44 -0700
Subject: [PATCH 3458/3638] osst: update ppos instead of using file->f_pos

osst_read()/osst_write() modify file->f_pos directly instead of the ppos
given to them.  The VFS later updates the file->f_pos and overwrites it
with the value of ppos.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Willem Riede <osst@riede.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/scsi/osst.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 8dbf1c3afb7..222f7f88e24 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -3587,7 +3587,7 @@ if (SRpnt) printk(KERN_ERR "%s:A: Not supposed to have SRpnt at line %d\n", name
 		if (i == (-ENOSPC)) {
 			transfer = STp->buffer->writing;	/* FIXME -- check this logic */
 			if (transfer <= do_count) {
-				filp->f_pos += do_count - transfer;
+				*ppos += do_count - transfer;
 				count -= do_count - transfer;
 				if (STps->drv_block >= 0) {
 					STps->drv_block += (do_count - transfer) / STp->block_size;
@@ -3625,7 +3625,7 @@ if (SRpnt) printk(KERN_ERR "%s:A: Not supposed to have SRpnt at line %d\n", name
 			goto out;
 		}
 
-		filp->f_pos += do_count;
+		*ppos += do_count;
 		b_point += do_count;
 		count -= do_count;
 		if (STps->drv_block >= 0) {
@@ -3647,7 +3647,7 @@ if (SRpnt) printk(KERN_ERR "%s:A: Not supposed to have SRpnt at line %d\n", name
 		if (STps->drv_block >= 0) {
 			STps->drv_block += blks;
 		}
-		filp->f_pos += count;
+		*ppos += count;
 		count = 0;
 	}
 
@@ -3823,7 +3823,7 @@ static ssize_t osst_read(struct file * filp, char __user * buf, size_t count, lo
 			}
 			STp->logical_blk_num += transfer / STp->block_size;
 			STps->drv_block      += transfer / STp->block_size;
-			filp->f_pos          += transfer;
+			*ppos          += transfer;
 			buf                  += transfer;
 			total                += transfer;
 		}

From fc2444756acab1e2265a5053618f78c8c9633f8f Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:46 -0700
Subject: [PATCH 3459/3638] frv: remove "struct file *" argument from sysctl
 ->proc_handler

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/frv/kernel/sysctl.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/arch/frv/kernel/sysctl.c b/arch/frv/kernel/sysctl.c
index 71abd1510a5..6c155d69da2 100644
--- a/arch/frv/kernel/sysctl.c
+++ b/arch/frv/kernel/sysctl.c
@@ -46,8 +46,9 @@ static void frv_change_dcache_mode(unsigned long newmode)
 /*
  * handle requests to dynamically switch the write caching mode delivered by /proc
  */
-static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp,
-				 void __user *buffer, size_t *lenp, loff_t *ppos)
+static int procctl_frv_cachemode(ctl_table *table, int write,
+				 void __user *buffer, size_t *lenp,
+				 loff_t *ppos)
 {
 	unsigned long hsr0;
 	char buff[8];
@@ -84,7 +85,7 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp,
 	}
 
 	/* read the state */
-	if (filp->f_pos > 0) {
+	if (*ppos > 0) {
 		*lenp = 0;
 		return 0;
 	}
@@ -110,7 +111,7 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp,
 		return -EFAULT;
 
 	*lenp = len;
-	filp->f_pos = len;
+	*ppos = len;
 	return 0;
 
 } /* end procctl_frv_cachemode() */
@@ -120,8 +121,9 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp,
  * permit the mm_struct the nominated process is using have its MMU context ID pinned
  */
 #ifdef CONFIG_MMU
-static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp,
-				void __user *buffer, size_t *lenp, loff_t *ppos)
+static int procctl_frv_pin_cxnr(ctl_table *table, int write,
+				void __user *buffer, size_t *lenp,
+				loff_t *ppos)
 {
 	pid_t pid;
 	char buff[16], *p;
@@ -150,7 +152,7 @@ static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp,
 	}
 
 	/* read the currently pinned CXN */
-	if (filp->f_pos > 0) {
+	if (*ppos > 0) {
 		*lenp = 0;
 		return 0;
 	}
@@ -163,7 +165,7 @@ static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp,
 		return -EFAULT;
 
 	*lenp = len;
-	filp->f_pos = len;
+	*ppos = len;
 	return 0;
 
 } /* end procctl_frv_pin_cxnr() */

From b627dbce6b5524c7c9032738bb60538999f45d41 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:46 -0700
Subject: [PATCH 3460/3638] mISDN: remove unnecessary test on f_pos

This test is not doing anything since it is always false if the
mISDN_read() is called from vfs_read().  Besides that the driver uses
nonseekable_open() and is not using off or file->f_pos anywhere.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/isdn/mISDN/timerdev.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index c3243c913ec..81048b8ed8a 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -98,8 +98,6 @@ mISDN_read(struct file *filep, char __user *buf, size_t count, loff_t *off)
 	if (*debug & DEBUG_TIMER)
 		printk(KERN_DEBUG "%s(%p, %p, %d, %p)\n", __func__,
 			filep, buf, (int)count, off);
-	if (*off != filep->f_pos)
-		return -ESPIPE;
 
 	if (list_empty(&dev->expired) && (dev->work == 0)) {
 		if (filep->f_flags & O_NONBLOCK)

From 09eeb1f5f4d9b52ab57820160dea6027bbea82a3 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:47 -0700
Subject: [PATCH 3461/3638] rtc-m41t80: use nonseekable_open()

Use nonseekable_open() for this since seeking is not supported anyway.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-m41t80.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 038095d9997..6dc4e624141 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -595,10 +595,6 @@ static void wdt_disable(void)
 static ssize_t wdt_write(struct file *file, const char __user *buf,
 			 size_t count, loff_t *ppos)
 {
-	/*  Can't seek (pwrite) on this device
-	if (ppos != &file->f_pos)
-	return -ESPIPE;
-	*/
 	if (count) {
 		wdt_ping();
 		return 1;
@@ -707,7 +703,7 @@ static int wdt_open(struct inode *inode, struct file *file)
 		 */
 		wdt_is_open = 1;
 		unlock_kernel();
-		return 0;
+		return nonseekable_open(inode, file);
 	}
 	return -ENODEV;
 }

From ae6afc3f5cf53fb97bac2d0a209bb465952742e7 Mon Sep 17 00:00:00 2001
From: jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:48 -0700
Subject: [PATCH 3462/3638] vfs: introduce noop_llseek()

This is an implementation of ->llseek useable for the rare special case
when userspace expects the seek to succeed but the (device) file is
actually not able to perform the seek.  In this case you use noop_llseek()
instead of falling back to the default implementation of ->llseek.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/read_write.c    | 17 +++++++++++++++++
 include/linux/fs.h |  1 +
 2 files changed, 18 insertions(+)

diff --git a/fs/read_write.c b/fs/read_write.c
index 113386d6fd2..9c0485236e6 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -97,6 +97,23 @@ loff_t generic_file_llseek(struct file *file, loff_t offset, int origin)
 }
 EXPORT_SYMBOL(generic_file_llseek);
 
+/**
+ * noop_llseek - No Operation Performed llseek implementation
+ * @file:	file structure to seek on
+ * @offset:	file offset to seek to
+ * @origin:	type of seek
+ *
+ * This is an implementation of ->llseek useable for the rare special case when
+ * userspace expects the seek to succeed but the (device) file is actually not
+ * able to perform the seek. In this case you use noop_llseek() instead of
+ * falling back to the default implementation of ->llseek.
+ */
+loff_t noop_llseek(struct file *file, loff_t offset, int origin)
+{
+	return file->f_pos;
+}
+EXPORT_SYMBOL(noop_llseek);
+
 loff_t no_llseek(struct file *file, loff_t offset, int origin)
 {
 	return -ESPIPE;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b336cb9ca9a..9682d52d150 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2228,6 +2228,7 @@ extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
 
 extern void
 file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping);
+extern loff_t noop_llseek(struct file *file, loff_t offset, int origin);
 extern loff_t no_llseek(struct file *file, loff_t offset, int origin);
 extern loff_t generic_file_llseek(struct file *file, loff_t offset, int origin);
 extern loff_t generic_file_llseek_unlocked(struct file *file, loff_t offset,

From 889e5fbbc2da4f59d5f1e9b6172c5ff2b92d02c8 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:50 -0700
Subject: [PATCH 3463/3638] osst: use noop_llseek() instead of default_llseek()

__os_scsi_tape_open() suggests that llseek() doesn't work: "We really want
to do nonseekable_open(inode, filp); here, but some versions of tar
incorrectly call lseek on tapes and bail out if that fails.  So we
disallow pread() and pwrite(), but permit lseeks."

Instead of using the fallback default_llseek() the driver should use
noop_llseek() which leaves the file->f_pos untouched but succeeds.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Willem Riede <osst@riede.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/scsi/osst.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 222f7f88e24..d64b7178fa0 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -5626,6 +5626,7 @@ static const struct file_operations osst_fops = {
 	.open =         os_scsi_tape_open,
 	.flush =        os_scsi_tape_flush,
 	.release =      os_scsi_tape_close,
+	.llseek =	noop_llseek,
 };
 
 static int osst_supports(struct scsi_device * SDp)

From b4d878e23c7f574490ee4d6fd59ebd6819781dd1 Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:51 -0700
Subject: [PATCH 3464/3638] st: use noop_llseek() instead of default_llseek()

st_open() suggests that llseek() doesn't work: "We really want to do
nonseekable_open(inode, filp); here, but some versions of tar incorrectly
call lseek on tapes and bail out if that fails.  So we disallow pread()
and pwrite(), but permit lseeks."

Instead of using the fallback default_llseek() the driver should use
noop_llseek() which leaves the file->f_pos untouched but succeeds.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Kai Makisara <Kai.Makisara@kolumbus.fi>
Cc: Willem Riede <osst@riede.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/scsi/st.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 3ea1a713ef2..24211d0efa6 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3962,6 +3962,7 @@ static const struct file_operations st_fops =
 	.open =		st_open,
 	.flush =	st_flush,
 	.release =	st_release,
+	.llseek =	noop_llseek,
 };
 
 static int st_probe(struct device *dev)

From ca572727dbb945e443564029a495157fd2e72995 Mon Sep 17 00:00:00 2001
From: jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:53 -0700
Subject: [PATCH 3465/3638] fs/: do not fallback to default_llseek() when
 readdir() uses BKL

Do not use the fallback default_llseek() if the readdir operation of the
filesystem still uses the big kernel lock.

Since llseek() modifies
file->f_pos of the directory directly it may need locking to not confuse
readdir which usually uses file->f_pos directly as well

Since the special characteristics of the BKL (unlocked on schedule) are
not necessary in this case, the inode mutex can be used for locking as
provided by generic_file_llseek().  This is only possible since all
filesystems, except reiserfs, either use a directory as a flat file or
with disk address offsets.  Reiserfs on the other hand uses a 32bit hash
off the filename as the offset so generic_file_llseek() can get used as
well since the hash is always smaller than sb->s_maxbytes (= (512 << 32) -
blocksize).

Signed-off-by: Jan Blunck <jblunck@suse.de>
Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Anders Larsen <al@alarsen.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/autofs/root.c          | 1 +
 fs/freevxfs/vxfs_lookup.c | 2 ++
 fs/isofs/dir.c            | 1 +
 fs/ncpfs/dir.c            | 1 +
 fs/qnx4/dir.c             | 1 +
 fs/reiserfs/dir.c         | 1 +
 fs/smbfs/dir.c            | 1 +
 fs/udf/dir.c              | 1 +
 8 files changed, 9 insertions(+)

diff --git a/fs/autofs/root.c b/fs/autofs/root.c
index 8713c7cfbc7..9a0520b5066 100644
--- a/fs/autofs/root.c
+++ b/fs/autofs/root.c
@@ -28,6 +28,7 @@ static int autofs_root_mkdir(struct inode *,struct dentry *,int);
 static int autofs_root_ioctl(struct inode *, struct file *,unsigned int,unsigned long);
 
 const struct file_operations autofs_root_operations = {
+	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= autofs_root_readdir,
 	.ioctl		= autofs_root_ioctl,
diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index aee049cb9f8..0ec7bb2c95c 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -57,6 +57,8 @@ const struct inode_operations vxfs_dir_inode_ops = {
 };
 
 const struct file_operations vxfs_dir_operations = {
+	.llseek =		generic_file_llseek,
+	.read =			generic_read_dir,
 	.readdir =		vxfs_readdir,
 };
 
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index b9ab69b3a48..e0aca9a0ac6 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -272,6 +272,7 @@ static int isofs_readdir(struct file *filp,
 
 const struct file_operations isofs_dir_operations =
 {
+	.llseek = generic_file_llseek,
 	.read = generic_read_dir,
 	.readdir = isofs_readdir,
 };
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 92dde6f8d89..9578cbe0cd5 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -49,6 +49,7 @@ extern int ncp_symlink(struct inode *, struct dentry *, const char *);
 		      
 const struct file_operations ncp_dir_operations =
 {
+	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= ncp_readdir,
 	.unlocked_ioctl	= ncp_ioctl,
diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c
index 6f30c3d5bcb..3d3fd469213 100644
--- a/fs/qnx4/dir.c
+++ b/fs/qnx4/dir.c
@@ -77,6 +77,7 @@ out:
 
 const struct file_operations qnx4_dir_operations =
 {
+	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= qnx4_readdir,
 	.fsync		= simple_fsync,
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c
index 07930449a95..4455fbe269a 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -18,6 +18,7 @@ static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry,
 			      int datasync);
 
 const struct file_operations reiserfs_dir_operations = {
+	.llseek = generic_file_llseek,
 	.read = generic_read_dir,
 	.readdir = reiserfs_readdir,
 	.fsync = reiserfs_dir_fsync,
diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c
index 6c978428892..00a70cab1f3 100644
--- a/fs/smbfs/dir.c
+++ b/fs/smbfs/dir.c
@@ -37,6 +37,7 @@ static int smb_link(struct dentry *, struct inode *, struct dentry *);
 
 const struct file_operations smb_dir_operations =
 {
+	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= smb_readdir,
 	.unlocked_ioctl	= smb_ioctl,
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index 3a84455c2a7..1660c81ffa3 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -207,6 +207,7 @@ static int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
 
 /* readdir and lookup functions */
 const struct file_operations udf_dir_operations = {
+	.llseek			= generic_file_llseek,
 	.read			= generic_read_dir,
 	.readdir		= udf_readdir,
 	.unlocked_ioctl		= udf_ioctl,

From 866707fc2721df8fee637fcf0239628b9231f9ea Mon Sep 17 00:00:00 2001
From: Jan Blunck <jblunck@suse.de>
Date: Wed, 26 May 2010 14:44:54 -0700
Subject: [PATCH 3466/3638] Documentation/filesystems/Locking: update
 documentation on llseek() wrt BKL

The inode's i_size is not protected by the big kernel lock.  Therefore it
does not make sense to recommend taking the BKL in filesystems llseek
operations.  Instead it should use the inode's mutex or use just use
i_size_read() instead.  Add a note that this is not protecting
file->f_pos.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: John Kacur <jkacur@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/filesystems/Locking | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index af1608070cd..61c98f03baa 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -429,8 +429,9 @@ check_flags:		no
 implementations.  If your fs is not using generic_file_llseek, you
 need to acquire and release the appropriate locks in your ->llseek().
 For many filesystems, it is probably safe to acquire the inode
-mutex.  Note some filesystems (i.e. remote ones) provide no
-protection for i_size so you will need to use the BKL.
+mutex or just to use i_size_read() instead.
+Note: this does not protect the file->f_pos against concurrent modifications
+since this is something the userspace has to take care about.
 
 Note: ext2_release() was *the* source of contention on fs-intensive
 loads and dropping BKL on ->release() helps to get rid of that (we still

From 7281201922a0063fa60804ce39c277fc98142a47 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:44:56 -0700
Subject: [PATCH 3467/3638] numa: add generic percpu var numa_node_id()
 implementation

Rework the generic version of the numa_node_id() function to use the new
generic percpu variable infrastructure.

Guard the new implementation with a new config option:

        CONFIG_USE_PERCPU_NUMA_NODE_ID.

Archs which support this new implemention will default this option to 'y'
when NUMA is configured.  This config option could be removed if/when all
archs switch over to the generic percpu implementation of numa_node_id().
Arch support involves:

  1) converting any existing per cpu variable implementations to use
     this implementation.  x86_64 is an instance of such an arch.
  2) archs that don't use a per cpu variable for numa_node_id() will
     need to initialize the new per cpu variable "numa_node" as cpus
     are brought on-line.  ia64 is an example.
  3) Defining USE_PERCPU_NUMA_NODE_ID in arch dependent Kconfig--e.g.,
     when NUMA is configured.  This is required because I have
     retained the old implementation by default to allow archs to
     be modified incrementally, as desired.

Subsequent patches will convert x86_64 and ia64 to use this implemenation.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/include/asm/topology.h |  4 +++
 include/linux/topology.h        | 51 +++++++++++++++++++++++++++++----
 mm/page_alloc.c                 |  5 ++++
 3 files changed, 55 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index c5087d79658..a2e629476b0 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -170,6 +170,10 @@ static inline int numa_node_id(void)
 {
 	return 0;
 }
+/*
+ * indicate override:
+ */
+#define numa_node_id numa_node_id
 
 static inline int early_cpu_to_node(int cpu)
 {
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 5b81156780b..2e5518f4657 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -31,6 +31,7 @@
 #include <linux/bitops.h>
 #include <linux/mmzone.h>
 #include <linux/smp.h>
+#include <linux/percpu.h>
 #include <asm/topology.h>
 
 #ifndef node_has_online_mem
@@ -203,8 +204,53 @@ int arch_update_cpu_topology(void);
 #ifndef SD_NODE_INIT
 #error Please define an appropriate SD_NODE_INIT in include/asm/topology.h!!!
 #endif
+
 #endif /* CONFIG_NUMA */
 
+#ifdef CONFIG_USE_PERCPU_NUMA_NODE_ID
+DECLARE_PER_CPU(int, numa_node);
+
+#ifndef numa_node_id
+/* Returns the number of the current Node. */
+static inline int numa_node_id(void)
+{
+	return __this_cpu_read(numa_node);
+}
+#endif
+
+#ifndef cpu_to_node
+static inline int cpu_to_node(int cpu)
+{
+	return per_cpu(numa_node, cpu);
+}
+#endif
+
+#ifndef set_numa_node
+static inline void set_numa_node(int node)
+{
+	percpu_write(numa_node, node);
+}
+#endif
+
+#ifndef set_cpu_numa_node
+static inline void set_cpu_numa_node(int cpu, int node)
+{
+	per_cpu(numa_node, cpu) = node;
+}
+#endif
+
+#else	/* !CONFIG_USE_PERCPU_NUMA_NODE_ID */
+
+/* Returns the number of the current Node. */
+#ifndef numa_node_id
+static inline int numa_node_id(void)
+{
+	return cpu_to_node(raw_smp_processor_id());
+}
+#endif
+
+#endif	/* [!]CONFIG_USE_PERCPU_NUMA_NODE_ID */
+
 #ifndef topology_physical_package_id
 #define topology_physical_package_id(cpu)	((void)(cpu), -1)
 #endif
@@ -218,9 +264,4 @@ int arch_update_cpu_topology(void);
 #define topology_core_cpumask(cpu)		cpumask_of(cpu)
 #endif
 
-/* Returns the number of the current Node. */
-#ifndef numa_node_id
-#define numa_node_id()		(cpu_to_node(raw_smp_processor_id()))
-#endif
-
 #endif /* _LINUX_TOPOLOGY_H */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 08b349931eb..6fe1b65ee1a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -57,6 +57,11 @@
 #include <asm/div64.h>
 #include "internal.h"
 
+#ifdef CONFIG_USE_PERCPU_NUMA_NODE_ID
+DEFINE_PER_CPU(int, numa_node);
+EXPORT_PER_CPU_SYMBOL(numa_node);
+#endif
+
 /*
  * Array of node states.
  */

From e534c7c5f8d6e9fc46f57fab067c7e48d8ceb172 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:44:58 -0700
Subject: [PATCH 3468/3638] numa: x86_64: use generic percpu var numa_node_id()
 implementation

x86 arch specific changes to use generic numa_node_id() based on generic
percpu variable infrastructure.  Back out x86's custom version of
numa_node_id()

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/Kconfig                |  4 ++++
 arch/x86/include/asm/topology.h | 22 +++++++++-------------
 arch/x86/kernel/cpu/common.c    |  6 +++---
 arch/x86/kernel/setup_percpu.c  |  4 ++--
 arch/x86/mm/numa_64.c           |  9 +++------
 5 files changed, 21 insertions(+), 24 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5dc54219e73..dcb0593b4a6 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1706,6 +1706,10 @@ config HAVE_ARCH_EARLY_PFN_TO_NID
 	def_bool X86_64
 	depends on NUMA
 
+config USE_PERCPU_NUMA_NODE_ID
+	def_bool X86_64
+	depends on NUMA
+
 menu "Power management and ACPI options"
 
 config ARCH_HIBERNATION_HEADER
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index a2e629476b0..21899cc31e5 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -53,33 +53,29 @@
 extern int cpu_to_node_map[];
 
 /* Returns the number of the node containing CPU 'cpu' */
-static inline int cpu_to_node(int cpu)
+static inline int __cpu_to_node(int cpu)
 {
 	return cpu_to_node_map[cpu];
 }
-#define early_cpu_to_node(cpu)	cpu_to_node(cpu)
+#define early_cpu_to_node __cpu_to_node
+#define cpu_to_node __cpu_to_node
 
 #else /* CONFIG_X86_64 */
 
 /* Mappings between logical cpu number and node number */
 DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map);
 
-/* Returns the number of the current Node. */
-DECLARE_PER_CPU(int, node_number);
-#define numa_node_id()		percpu_read(node_number)
-
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
-extern int cpu_to_node(int cpu);
+/*
+ * override generic percpu implementation of cpu_to_node
+ */
+extern int __cpu_to_node(int cpu);
+#define cpu_to_node __cpu_to_node
+
 extern int early_cpu_to_node(int cpu);
 
 #else	/* !CONFIG_DEBUG_PER_CPU_MAPS */
 
-/* Returns the number of the node containing CPU 'cpu' */
-static inline int cpu_to_node(int cpu)
-{
-	return per_cpu(x86_cpu_to_node_map, cpu);
-}
-
 /* Same function but used if called before per_cpu areas are setup */
 static inline int early_cpu_to_node(int cpu)
 {
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index cc83a002786..68e4a6f2211 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1121,9 +1121,9 @@ void __cpuinit cpu_init(void)
 	oist = &per_cpu(orig_ist, cpu);
 
 #ifdef CONFIG_NUMA
-	if (cpu != 0 && percpu_read(node_number) == 0 &&
-	    cpu_to_node(cpu) != NUMA_NO_NODE)
-		percpu_write(node_number, cpu_to_node(cpu));
+	if (cpu != 0 && percpu_read(numa_node) == 0 &&
+	    early_cpu_to_node(cpu) != NUMA_NO_NODE)
+		set_numa_node(early_cpu_to_node(cpu));
 #endif
 
 	me = current;
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index ef6370b00e7..a867940a6df 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -265,10 +265,10 @@ void __init setup_per_cpu_areas(void)
 
 #if defined(CONFIG_X86_64) && defined(CONFIG_NUMA)
 	/*
-	 * make sure boot cpu node_number is right, when boot cpu is on the
+	 * make sure boot cpu numa_node is right, when boot cpu is on the
 	 * node that doesn't have mem installed
 	 */
-	per_cpu(node_number, boot_cpu_id) = cpu_to_node(boot_cpu_id);
+	set_cpu_numa_node(boot_cpu_id, early_cpu_to_node(boot_cpu_id));
 #endif
 
 	/* Setup node to cpumask map */
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 8948f47fde0..a7bcc23ef96 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -33,9 +33,6 @@ int numa_off __initdata;
 static unsigned long __initdata nodemap_addr;
 static unsigned long __initdata nodemap_size;
 
-DEFINE_PER_CPU(int, node_number) = 0;
-EXPORT_PER_CPU_SYMBOL(node_number);
-
 /*
  * Map cpu index to node index
  */
@@ -809,7 +806,7 @@ void __cpuinit numa_set_node(int cpu, int node)
 	per_cpu(x86_cpu_to_node_map, cpu) = node;
 
 	if (node != NUMA_NO_NODE)
-		per_cpu(node_number, cpu) = node;
+		set_cpu_numa_node(cpu, node);
 }
 
 void __cpuinit numa_clear_node(int cpu)
@@ -867,7 +864,7 @@ void __cpuinit numa_remove_cpu(int cpu)
 	numa_set_cpumask(cpu, 0);
 }
 
-int cpu_to_node(int cpu)
+int __cpu_to_node(int cpu)
 {
 	if (early_per_cpu_ptr(x86_cpu_to_node_map)) {
 		printk(KERN_WARNING
@@ -877,7 +874,7 @@ int cpu_to_node(int cpu)
 	}
 	return per_cpu(x86_cpu_to_node_map, cpu);
 }
-EXPORT_SYMBOL(cpu_to_node);
+EXPORT_SYMBOL(__cpu_to_node);
 
 /*
  * Same function as cpu_to_node() but used if called before the

From 3bccd996276b108c138e8176793a26ecef54d573 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:44:59 -0700
Subject: [PATCH 3469/3638] numa: ia64: use generic percpu var numa_node_id()
 implementation

ia64:  Use generic percpu implementation of numa_node_id()
   + intialize per cpu 'numa_node'
   + remove ia64 cpu_to_node() macro;  use generic
   + define CONFIG_USE_PERCPU_NUMA_NODE_ID when NUMA configured

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/Kconfig                | 4 ++++
 arch/ia64/include/asm/topology.h | 5 -----
 arch/ia64/kernel/smpboot.c       | 6 ++++++
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index f8afdd271f3..00ba0870887 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -498,6 +498,10 @@ config HAVE_ARCH_NODEDATA_EXTENSION
 	def_bool y
 	depends on NUMA
 
+config USE_PERCPU_NUMA_NODE_ID
+	def_bool y
+	depends on NUMA
+
 config ARCH_PROC_KCORE_TEXT
 	def_bool y
 	depends on PROC_KCORE
diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
index d323071d0f9..09f646753d1 100644
--- a/arch/ia64/include/asm/topology.h
+++ b/arch/ia64/include/asm/topology.h
@@ -25,11 +25,6 @@
  */
 #define RECLAIM_DISTANCE 15
 
-/*
- * Returns the number of the node containing CPU 'cpu'
- */
-#define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu])
-
 /*
  * Returns a bitmask of CPUs on Node 'node'.
  */
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index e5230b2ff2c..8aae2d9b268 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -390,6 +390,11 @@ smp_callin (void)
 
 	fix_b0_for_bsp();
 
+	/*
+	 * numa_node_id() works after this.
+	 */
+	set_numa_node(cpu_to_node_map[cpuid]);
+
 	ipi_call_lock_irq();
 	spin_lock(&vector_lock);
 	/* Setup the per cpu irq handling data structures */
@@ -632,6 +637,7 @@ void __devinit smp_prepare_boot_cpu(void)
 {
 	cpu_set(smp_processor_id(), cpu_online_map);
 	cpu_set(smp_processor_id(), cpu_callin_map);
+	set_numa_node(cpu_to_node_map[smp_processor_id()]);
 	per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
 	paravirt_post_smp_prepare_boot_cpu();
 }

From 7aac789885512388a66d47280d7e7777ffba1e59 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:45:00 -0700
Subject: [PATCH 3470/3638] numa: introduce numa_mem_id()- effective local
 memory node id

Introduce numa_mem_id(), based on generic percpu variable infrastructure
to track "nearest node with memory" for archs that support memoryless
nodes.

Define API in <linux/topology.h> when CONFIG_HAVE_MEMORYLESS_NODES
defined, else stubs.  Architectures will define HAVE_MEMORYLESS_NODES
if/when they support them.

Archs can override definitions of:

numa_mem_id() - returns node number of "local memory" node
set_numa_mem() - initialize [this cpus'] per cpu variable 'numa_mem'
cpu_to_mem()  - return numa_mem for specified cpu; may be used as lvalue

Generic initialization of 'numa_mem' occurs in __build_all_zonelists().
This will initialize the boot cpu at boot time, and all cpus on change of
numa_zonelist_order, or when node or memory hot-plug requires zonelist
rebuild.  Archs that support memoryless nodes will need to initialize
'numa_mem' for secondary cpus as they're brought on-line.

[akpm@linux-foundation.org: fix build]
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/asm-generic/topology.h |  3 ++
 include/linux/mmzone.h         |  6 ++++
 include/linux/topology.h       | 61 ++++++++++++++++++++++++++++++++++
 mm/page_alloc.c                | 45 ++++++++++++++++++++++++-
 4 files changed, 114 insertions(+), 1 deletion(-)

diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index 510df36dd5d..fd60700503c 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -34,6 +34,9 @@
 #ifndef cpu_to_node
 #define cpu_to_node(cpu)	((void)(cpu),0)
 #endif
+#ifndef cpu_to_mem
+#define cpu_to_mem(cpu)		((void)(cpu),0)
+#endif
 #ifndef parent_node
 #define parent_node(node)	((void)(node),0)
 #endif
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 0fa491326c4..b4d109e389b 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -671,6 +671,12 @@ void memory_present(int nid, unsigned long start, unsigned long end);
 static inline void memory_present(int nid, unsigned long start, unsigned long end) {}
 #endif
 
+#ifdef CONFIG_HAVE_MEMORYLESS_NODES
+int local_memory_node(int node_id);
+#else
+static inline int local_memory_node(int node_id) { return node_id; };
+#endif
+
 #ifdef CONFIG_NEED_NODE_MEMMAP_SIZE
 unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long);
 #endif
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 2e5518f4657..c44df50a05a 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -251,6 +251,67 @@ static inline int numa_node_id(void)
 
 #endif	/* [!]CONFIG_USE_PERCPU_NUMA_NODE_ID */
 
+#ifdef CONFIG_HAVE_MEMORYLESS_NODES
+
+/*
+ * N.B., Do NOT reference the '_numa_mem_' per cpu variable directly.
+ * It will not be defined when CONFIG_HAVE_MEMORYLESS_NODES is not defined.
+ * Use the accessor functions set_numa_mem(), numa_mem_id() and cpu_to_mem().
+ */
+DECLARE_PER_CPU(int, _numa_mem_);
+
+#ifndef set_numa_mem
+static inline void set_numa_mem(int node)
+{
+	percpu_write(_numa_mem_, node);
+}
+#endif
+
+#ifndef numa_mem_id
+/* Returns the number of the nearest Node with memory */
+static inline int numa_mem_id(void)
+{
+	return __this_cpu_read(_numa_mem_);
+}
+#endif
+
+#ifndef cpu_to_mem
+static inline int cpu_to_mem(int cpu)
+{
+	return per_cpu(_numa_mem_, cpu);
+}
+#endif
+
+#ifndef set_cpu_numa_mem
+static inline void set_cpu_numa_mem(int cpu, int node)
+{
+	per_cpu(_numa_mem_, cpu) = node;
+}
+#endif
+
+#else	/* !CONFIG_HAVE_MEMORYLESS_NODES */
+
+static inline void set_numa_mem(int node) {}
+
+static inline void set_cpu_numa_mem(int cpu, int node) {}
+
+#ifndef numa_mem_id
+/* Returns the number of the nearest Node with memory */
+static inline int numa_mem_id(void)
+{
+	return numa_node_id();
+}
+#endif
+
+#ifndef cpu_to_mem
+static inline int cpu_to_mem(int cpu)
+{
+	return cpu_to_node(cpu);
+}
+#endif
+
+#endif	/* [!]CONFIG_HAVE_MEMORYLESS_NODES */
+
 #ifndef topology_physical_package_id
 #define topology_physical_package_id(cpu)	((void)(cpu), -1)
 #endif
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6fe1b65ee1a..431214b941a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -62,6 +62,17 @@ DEFINE_PER_CPU(int, numa_node);
 EXPORT_PER_CPU_SYMBOL(numa_node);
 #endif
 
+#ifdef CONFIG_HAVE_MEMORYLESS_NODES
+/*
+ * N.B., Do NOT reference the '_numa_mem_' per cpu variable directly.
+ * It will not be defined when CONFIG_HAVE_MEMORYLESS_NODES is not defined.
+ * Use the accessor functions set_numa_mem(), numa_mem_id() and cpu_to_mem()
+ * defined in <linux/topology.h>.
+ */
+DEFINE_PER_CPU(int, _numa_mem_);		/* Kernel "local memory" node */
+EXPORT_PER_CPU_SYMBOL(_numa_mem_);
+#endif
+
 /*
  * Array of node states.
  */
@@ -2861,6 +2872,24 @@ static void build_zonelist_cache(pg_data_t *pgdat)
 		zlc->z_to_n[z - zonelist->_zonerefs] = zonelist_node_idx(z);
 }
 
+#ifdef CONFIG_HAVE_MEMORYLESS_NODES
+/*
+ * Return node id of node used for "local" allocations.
+ * I.e., first node id of first zone in arg node's generic zonelist.
+ * Used for initializing percpu 'numa_mem', which is used primarily
+ * for kernel allocations, so use GFP_KERNEL flags to locate zonelist.
+ */
+int local_memory_node(int node)
+{
+	struct zone *zone;
+
+	(void)first_zones_zonelist(node_zonelist(node, GFP_KERNEL),
+				   gfp_zone(GFP_KERNEL),
+				   NULL,
+				   &zone);
+	return zone->node;
+}
+#endif
 
 #else	/* CONFIG_NUMA */
 
@@ -2975,9 +3004,23 @@ static __init_refok int __build_all_zonelists(void *data)
 	 * needs the percpu allocator in order to allocate its pagesets
 	 * (a chicken-egg dilemma).
 	 */
-	for_each_possible_cpu(cpu)
+	for_each_possible_cpu(cpu) {
 		setup_pageset(&per_cpu(boot_pageset, cpu), 0);
 
+#ifdef CONFIG_HAVE_MEMORYLESS_NODES
+		/*
+		 * We now know the "local memory node" for each node--
+		 * i.e., the node of the first zone in the generic zonelist.
+		 * Set up numa_mem percpu variable for on-line cpus.  During
+		 * boot, only the boot cpu should be on-line;  we'll init the
+		 * secondary cpus' numa_mem as they come on-line.  During
+		 * node/memory hotplug, we'll fixup all on-line cpus.
+		 */
+		if (cpu_online(cpu))
+			set_cpu_numa_mem(cpu, local_memory_node(cpu_to_node(cpu)));
+#endif
+	}
+
 	return 0;
 }
 

From fd1197f1131a1f1d8bc192f9cfbbe17e305f17f3 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:45:01 -0700
Subject: [PATCH 3471/3638] numa: ia64: support numa_mem_id() for memoryless
 nodes

Enable 'HAVE_MEMORYLESS_NODES' by default when NUMA configured on ia64.
Initialize percpu 'numa_mem' variable when starting secondary cpus.
Generic initialization will handle the boot cpu.

Nothing uses 'numa_mem_id()' yet.  Subsequent patch with modify slab to
use this.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/Kconfig          | 4 ++++
 arch/ia64/kernel/smpboot.c | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 00ba0870887..95610820041 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -502,6 +502,10 @@ config USE_PERCPU_NUMA_NODE_ID
 	def_bool y
 	depends on NUMA
 
+config HAVE_MEMORYLESS_NODES
+	def_bool y
+	depends on NUMA
+
 config ARCH_PROC_KCORE_TEXT
 	def_bool y
 	depends on PROC_KCORE
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 8aae2d9b268..518e876a410 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -394,6 +394,7 @@ smp_callin (void)
 	 * numa_node_id() works after this.
 	 */
 	set_numa_node(cpu_to_node_map[cpuid]);
+	set_numa_mem(local_memory_node(cpu_to_node_map[cpuid]));
 
 	ipi_call_lock_irq();
 	spin_lock(&vector_lock);

From 7d6e6d09de82cf6cff7fecdba55198b9f47b381c Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:45:03 -0700
Subject: [PATCH 3472/3638] numa: slab: use numa_mem_id() for slab local memory
 node

Example usage of generic "numa_mem_id()":

The mainline slab code, since ~ 2.6.19, does not handle memoryless nodes
well.  Specifically, the "fast path"--____cache_alloc()--will never
succeed as slab doesn't cache offnode object on the per cpu queues, and
for memoryless nodes, all memory will be "off node" relative to
numa_node_id().  This adds significant overhead to all kmem cache
allocations, incurring a significant regression relative to earlier
kernels [from before slab.c was reorganized].

This patch uses the generic topology function "numa_mem_id()" to return
the "effective local memory node" for the calling context.  This is the
first node in the local node's generic fallback zonelist-- the same node
that "local" mempolicy-based allocations would use.  This lets slab cache
these "local" allocations and avoid fallback/refill on every allocation.

N.B.: Slab will need to handle node and memory hotplug events that could
change the value returned by numa_mem_id() for any given node if recent
changes to address memory hotplug don't already address this.  E.g., flush
all per cpu slab queues before rebuilding the zonelists while the
"machine" is held in the stopped state.

Performance impact on "hackbench 400 process 200"

2.6.34-rc3-mmotm-100405-1609		no-patch	this-patch
ia64 no memoryless nodes [avg of 10]:     11.713       11.637  ~0.65 diff
ia64 cpus all on memless nodes  [10]:    228.259       26.484  ~8.6x speedup

The slowdown of the patched kernel from ~12 sec to ~28 seconds when
configured with memoryless nodes is the result of all cpus allocating from
a single node's mm pagepool.  The cache lines of the single node are
distributed/interleaved over the memory of the real physical nodes, but
the zone lock, list heads, ...  of the single node with memory still each
live in a single cache line that is accessed from all processors.

x86_64 [8x6 AMD] [avg of 40]:		2.883	   2.845

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/slab.c | 43 ++++++++++++++++++++++---------------------
 1 file changed, 22 insertions(+), 21 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index 6437d89a840..e49f8f46f46 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -821,7 +821,7 @@ static void init_reap_node(int cpu)
 {
 	int node;
 
-	node = next_node(cpu_to_node(cpu), node_online_map);
+	node = next_node(cpu_to_mem(cpu), node_online_map);
 	if (node == MAX_NUMNODES)
 		node = first_node(node_online_map);
 
@@ -1050,7 +1050,7 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp)
 	struct array_cache *alien = NULL;
 	int node;
 
-	node = numa_node_id();
+	node = numa_mem_id();
 
 	/*
 	 * Make sure we are not freeing a object from another node to the array
@@ -1129,7 +1129,7 @@ static void __cpuinit cpuup_canceled(long cpu)
 {
 	struct kmem_cache *cachep;
 	struct kmem_list3 *l3 = NULL;
-	int node = cpu_to_node(cpu);
+	int node = cpu_to_mem(cpu);
 	const struct cpumask *mask = cpumask_of_node(node);
 
 	list_for_each_entry(cachep, &cache_chain, next) {
@@ -1194,7 +1194,7 @@ static int __cpuinit cpuup_prepare(long cpu)
 {
 	struct kmem_cache *cachep;
 	struct kmem_list3 *l3 = NULL;
-	int node = cpu_to_node(cpu);
+	int node = cpu_to_mem(cpu);
 	int err;
 
 	/*
@@ -1479,7 +1479,7 @@ void __init kmem_cache_init(void)
 	 * 6) Resize the head arrays of the kmalloc caches to their final sizes.
 	 */
 
-	node = numa_node_id();
+	node = numa_mem_id();
 
 	/* 1) create the cache_cache */
 	INIT_LIST_HEAD(&cache_chain);
@@ -2121,7 +2121,7 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp)
 			}
 		}
 	}
-	cachep->nodelists[numa_node_id()]->next_reap =
+	cachep->nodelists[numa_mem_id()]->next_reap =
 			jiffies + REAPTIMEOUT_LIST3 +
 			((unsigned long)cachep) % REAPTIMEOUT_LIST3;
 
@@ -2452,7 +2452,7 @@ static void check_spinlock_acquired(struct kmem_cache *cachep)
 {
 #ifdef CONFIG_SMP
 	check_irq_off();
-	assert_spin_locked(&cachep->nodelists[numa_node_id()]->list_lock);
+	assert_spin_locked(&cachep->nodelists[numa_mem_id()]->list_lock);
 #endif
 }
 
@@ -2479,7 +2479,7 @@ static void do_drain(void *arg)
 {
 	struct kmem_cache *cachep = arg;
 	struct array_cache *ac;
-	int node = numa_node_id();
+	int node = numa_mem_id();
 
 	check_irq_off();
 	ac = cpu_cache_get(cachep);
@@ -3012,7 +3012,7 @@ static void *cache_alloc_refill(struct kmem_cache *cachep, gfp_t flags)
 
 retry:
 	check_irq_off();
-	node = numa_node_id();
+	node = numa_mem_id();
 	ac = cpu_cache_get(cachep);
 	batchcount = ac->batchcount;
 	if (!ac->touched && batchcount > BATCHREFILL_LIMIT) {
@@ -3216,7 +3216,7 @@ static void *alternate_node_alloc(struct kmem_cache *cachep, gfp_t flags)
 
 	if (in_interrupt() || (flags & __GFP_THISNODE))
 		return NULL;
-	nid_alloc = nid_here = numa_node_id();
+	nid_alloc = nid_here = numa_mem_id();
 	get_mems_allowed();
 	if (cpuset_do_slab_mem_spread() && (cachep->flags & SLAB_MEM_SPREAD))
 		nid_alloc = cpuset_slab_spread_node();
@@ -3281,7 +3281,7 @@ retry:
 		if (local_flags & __GFP_WAIT)
 			local_irq_enable();
 		kmem_flagcheck(cache, flags);
-		obj = kmem_getpages(cache, local_flags, numa_node_id());
+		obj = kmem_getpages(cache, local_flags, numa_mem_id());
 		if (local_flags & __GFP_WAIT)
 			local_irq_disable();
 		if (obj) {
@@ -3389,6 +3389,7 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
 {
 	unsigned long save_flags;
 	void *ptr;
+	int slab_node = numa_mem_id();
 
 	flags &= gfp_allowed_mask;
 
@@ -3401,7 +3402,7 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
 	local_irq_save(save_flags);
 
 	if (nodeid == -1)
-		nodeid = numa_node_id();
+		nodeid = slab_node;
 
 	if (unlikely(!cachep->nodelists[nodeid])) {
 		/* Node not bootstrapped yet */
@@ -3409,7 +3410,7 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
 		goto out;
 	}
 
-	if (nodeid == numa_node_id()) {
+	if (nodeid == slab_node) {
 		/*
 		 * Use the locally cached objects if possible.
 		 * However ____cache_alloc does not allow fallback
@@ -3453,8 +3454,8 @@ __do_cache_alloc(struct kmem_cache *cache, gfp_t flags)
 	 * We may just have run out of memory on the local node.
 	 * ____cache_alloc_node() knows how to locate memory on other nodes
 	 */
- 	if (!objp)
- 		objp = ____cache_alloc_node(cache, flags, numa_node_id());
+	if (!objp)
+		objp = ____cache_alloc_node(cache, flags, numa_mem_id());
 
   out:
 	return objp;
@@ -3551,7 +3552,7 @@ static void cache_flusharray(struct kmem_cache *cachep, struct array_cache *ac)
 {
 	int batchcount;
 	struct kmem_list3 *l3;
-	int node = numa_node_id();
+	int node = numa_mem_id();
 
 	batchcount = ac->batchcount;
 #if DEBUG
@@ -3985,7 +3986,7 @@ static int do_tune_cpucache(struct kmem_cache *cachep, int limit,
 		return -ENOMEM;
 
 	for_each_online_cpu(i) {
-		new->new[i] = alloc_arraycache(cpu_to_node(i), limit,
+		new->new[i] = alloc_arraycache(cpu_to_mem(i), limit,
 						batchcount, gfp);
 		if (!new->new[i]) {
 			for (i--; i >= 0; i--)
@@ -4007,9 +4008,9 @@ static int do_tune_cpucache(struct kmem_cache *cachep, int limit,
 		struct array_cache *ccold = new->new[i];
 		if (!ccold)
 			continue;
-		spin_lock_irq(&cachep->nodelists[cpu_to_node(i)]->list_lock);
-		free_block(cachep, ccold->entry, ccold->avail, cpu_to_node(i));
-		spin_unlock_irq(&cachep->nodelists[cpu_to_node(i)]->list_lock);
+		spin_lock_irq(&cachep->nodelists[cpu_to_mem(i)]->list_lock);
+		free_block(cachep, ccold->entry, ccold->avail, cpu_to_mem(i));
+		spin_unlock_irq(&cachep->nodelists[cpu_to_mem(i)]->list_lock);
 		kfree(ccold);
 	}
 	kfree(new);
@@ -4115,7 +4116,7 @@ static void cache_reap(struct work_struct *w)
 {
 	struct kmem_cache *searchp;
 	struct kmem_list3 *l3;
-	int node = numa_node_id();
+	int node = numa_mem_id();
 	struct delayed_work *work = to_delayed_work(w);
 
 	if (!mutex_trylock(&cache_chain_mutex))

From 3dd6b5fb436083fdd8af7ad2baa07db19deb73b2 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:45:04 -0700
Subject: [PATCH 3473/3638] numa: in-kernel profiling: use cpu_to_mem() for per
 cpu allocations

In kernel profiling requires that we be able to allocate "local" memory
for each cpu.  Use "cpu_to_mem()" instead of "cpu_to_node()" to support
memoryless nodes.

Depends on the "numa_mem_id()" patch.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/profile.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/profile.c b/kernel/profile.c
index 1e6a0d94ea6..b22a899934c 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -365,7 +365,7 @@ static int __cpuinit profile_cpu_callback(struct notifier_block *info,
 	switch (action) {
 	case CPU_UP_PREPARE:
 	case CPU_UP_PREPARE_FROZEN:
-		node = cpu_to_node(cpu);
+		node = cpu_to_mem(cpu);
 		per_cpu(cpu_profile_flip, cpu) = 0;
 		if (!per_cpu(cpu_profile_hits, cpu)[1]) {
 			page = alloc_pages_exact_node(node,
@@ -567,7 +567,7 @@ static int create_hash_tables(void)
 	int cpu;
 
 	for_each_online_cpu(cpu) {
-		int node = cpu_to_node(cpu);
+		int node = cpu_to_mem(cpu);
 		struct page *page;
 
 		page = alloc_pages_exact_node(node,

From b9498bfe86530fd54fb855906383c0c905a52c80 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:45:06 -0700
Subject: [PATCH 3474/3638] numa: update Documentation/vm/numa, add memoryless
 node info

Kamezawa Hiroyuki requested documentation for the numa_mem_id() and slab
related changes.  He suggested Documentation/vm/numa for this
documentation.  Looking at this file, it seems to me to be hopelessly out
of date relative to current Linux NUMA support.  At the risk of going down
a rathole, I have made an attempt to rewrite the doc at a slightly higher
level [I think] and provide pointers to other in-tree documents and
out-of-tree man pages that cover the details.

Let the games begin.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/vm/numa | 176 ++++++++++++++++++++++++++++++++++--------
 1 file changed, 142 insertions(+), 34 deletions(-)

diff --git a/Documentation/vm/numa b/Documentation/vm/numa
index e93ad9425e2..a200a386429 100644
--- a/Documentation/vm/numa
+++ b/Documentation/vm/numa
@@ -1,41 +1,149 @@
 Started Nov 1999 by Kanoj Sarcar <kanoj@sgi.com>
 
-The intent of this file is to have an uptodate, running commentary 
-from different people about NUMA specific code in the Linux vm.
+What is NUMA?
 
-What is NUMA? It is an architecture where the memory access times
-for different regions of memory from a given processor varies
-according to the "distance" of the memory region from the processor.
-Each region of memory to which access times are the same from any 
-cpu, is called a node. On such architectures, it is beneficial if
-the kernel tries to minimize inter node communications. Schemes
-for this range from kernel text and read-only data replication
-across nodes, and trying to house all the data structures that
-key components of the kernel need on memory on that node.
+This question can be answered from a couple of perspectives:  the
+hardware view and the Linux software view.
 
-Currently, all the numa support is to provide efficient handling
-of widely discontiguous physical memory, so architectures which 
-are not NUMA but can have huge holes in the physical address space
-can use the same code. All this code is bracketed by CONFIG_DISCONTIGMEM.
+From the hardware perspective, a NUMA system is a computer platform that
+comprises multiple components or assemblies each of which may contain 0
+or more CPUs, local memory, and/or IO buses.  For brevity and to
+disambiguate the hardware view of these physical components/assemblies
+from the software abstraction thereof, we'll call the components/assemblies
+'cells' in this document.
 
-The initial port includes NUMAizing the bootmem allocator code by
-encapsulating all the pieces of information into a bootmem_data_t
-structure. Node specific calls have been added to the allocator. 
-In theory, any platform which uses the bootmem allocator should 
-be able to put the bootmem and mem_map data structures anywhere
-it deems best.
+Each of the 'cells' may be viewed as an SMP [symmetric multi-processor] subset
+of the system--although some components necessary for a stand-alone SMP system
+may not be populated on any given cell.   The cells of the NUMA system are
+connected together with some sort of system interconnect--e.g., a crossbar or
+point-to-point link are common types of NUMA system interconnects.  Both of
+these types of interconnects can be aggregated to create NUMA platforms with
+cells at multiple distances from other cells.
 
-Each node's page allocation data structures have also been encapsulated
-into a pg_data_t. The bootmem_data_t is just one part of this. To 
-make the code look uniform between NUMA and regular UMA platforms, 
-UMA platforms have a statically allocated pg_data_t too (contig_page_data).
-For the sake of uniformity, the function num_online_nodes() is also defined
-for all platforms. As we run benchmarks, we might decide to NUMAize 
-more variables like low_on_memory, nr_free_pages etc into the pg_data_t.
+For Linux, the NUMA platforms of interest are primarily what is known as Cache
+Coherent NUMA or ccNUMA systems.   With ccNUMA systems, all memory is visible
+to and accessible from any CPU attached to any cell and cache coherency
+is handled in hardware by the processor caches and/or the system interconnect.
 
-The NUMA aware page allocation code currently tries to allocate pages 
-from different nodes in a round robin manner.  This will be changed to 
-do concentratic circle search, starting from current node, once the 
-NUMA port achieves more maturity. The call alloc_pages_node has been 
-added, so that drivers can make the call and not worry about whether 
-it is running on a NUMA or UMA platform.
+Memory access time and effective memory bandwidth varies depending on how far
+away the cell containing the CPU or IO bus making the memory access is from the
+cell containing the target memory.  For example, access to memory by CPUs
+attached to the same cell will experience faster access times and higher
+bandwidths than accesses to memory on other, remote cells.  NUMA platforms
+can have cells at multiple remote distances from any given cell.
+
+Platform vendors don't build NUMA systems just to make software developers'
+lives interesting.  Rather, this architecture is a means to provide scalable
+memory bandwidth.  However, to achieve scalable memory bandwidth, system and
+application software must arrange for a large majority of the memory references
+[cache misses] to be to "local" memory--memory on the same cell, if any--or
+to the closest cell with memory.
+
+This leads to the Linux software view of a NUMA system:
+
+Linux divides the system's hardware resources into multiple software
+abstractions called "nodes".  Linux maps the nodes onto the physical cells
+of the hardware platform, abstracting away some of the details for some
+architectures.  As with physical cells, software nodes may contain 0 or more
+CPUs, memory and/or IO buses.  And, again, memory accesses to memory on
+"closer" nodes--nodes that map to closer cells--will generally experience
+faster access times and higher effective bandwidth than accesses to more
+remote cells.
+
+For some architectures, such as x86, Linux will "hide" any node representing a
+physical cell that has no memory attached, and reassign any CPUs attached to
+that cell to a node representing a cell that does have memory.  Thus, on
+these architectures, one cannot assume that all CPUs that Linux associates with
+a given node will see the same local memory access times and bandwidth.
+
+In addition, for some architectures, again x86 is an example, Linux supports
+the emulation of additional nodes.  For NUMA emulation, linux will carve up
+the existing nodes--or the system memory for non-NUMA platforms--into multiple
+nodes.  Each emulated node will manage a fraction of the underlying cells'
+physical memory.  NUMA emluation is useful for testing NUMA kernel and
+application features on non-NUMA platforms, and as a sort of memory resource
+management mechanism when used together with cpusets.
+[see Documentation/cgroups/cpusets.txt]
+
+For each node with memory, Linux constructs an independent memory management
+subsystem, complete with its own free page lists, in-use page lists, usage
+statistics and locks to mediate access.  In addition, Linux constructs for
+each memory zone [one or more of DMA, DMA32, NORMAL, HIGH_MEMORY, MOVABLE],
+an ordered "zonelist".  A zonelist specifies the zones/nodes to visit when a
+selected zone/node cannot satisfy the allocation request.  This situation,
+when a zone has no available memory to satisfy a request, is called
+"overflow" or "fallback".
+
+Because some nodes contain multiple zones containing different types of
+memory, Linux must decide whether to order the zonelists such that allocations
+fall back to the same zone type on a different node, or to a different zone
+type on the same node.  This is an important consideration because some zones,
+such as DMA or DMA32, represent relatively scarce resources.  Linux chooses
+a default zonelist order based on the sizes of the various zone types relative
+to the total memory of the node and the total memory of the system.  The
+default zonelist order may be overridden using the numa_zonelist_order kernel
+boot parameter or sysctl.  [see Documentation/kernel-parameters.txt and
+Documentation/sysctl/vm.txt]
+
+By default, Linux will attempt to satisfy memory allocation requests from the
+node to which the CPU that executes the request is assigned.  Specifically,
+Linux will attempt to allocate from the first node in the appropriate zonelist
+for the node where the request originates.  This is called "local allocation."
+If the "local" node cannot satisfy the request, the kernel will examine other
+nodes' zones in the selected zonelist looking for the first zone in the list
+that can satisfy the request.
+
+Local allocation will tend to keep subsequent access to the allocated memory
+"local" to the underlying physical resources and off the system interconnect--
+as long as the task on whose behalf the kernel allocated some memory does not
+later migrate away from that memory.  The Linux scheduler is aware of the
+NUMA topology of the platform--embodied in the "scheduling domains" data
+structures [see Documentation/scheduler/sched-domains.txt]--and the scheduler
+attempts to minimize task migration to distant scheduling domains.  However,
+the scheduler does not take a task's NUMA footprint into account directly.
+Thus, under sufficient imbalance, tasks can migrate between nodes, remote
+from their initial node and kernel data structures.
+
+System administrators and application designers can restrict a task's migration
+to improve NUMA locality using various CPU affinity command line interfaces,
+such as taskset(1) and numactl(1), and program interfaces such as
+sched_setaffinity(2).  Further, one can modify the kernel's default local
+allocation behavior using Linux NUMA memory policy.
+[see Documentation/vm/numa_memory_policy.]
+
+System administrators can restrict the CPUs and nodes' memories that a non-
+privileged user can specify in the scheduling or NUMA commands and functions
+using control groups and CPUsets.  [see Documentation/cgroups/CPUsets.txt]
+
+On architectures that do not hide memoryless nodes, Linux will include only
+zones [nodes] with memory in the zonelists.  This means that for a memoryless
+node the "local memory node"--the node of the first zone in CPU's node's
+zonelist--will not be the node itself.  Rather, it will be the node that the
+kernel selected as the nearest node with memory when it built the zonelists.
+So, default, local allocations will succeed with the kernel supplying the
+closest available memory.  This is a consequence of the same mechanism that
+allows such allocations to fallback to other nearby nodes when a node that
+does contain memory overflows.
+
+Some kernel allocations do not want or cannot tolerate this allocation fallback
+behavior.  Rather they want to be sure they get memory from the specified node
+or get notified that the node has no free memory.  This is usually the case when
+a subsystem allocates per CPU memory resources, for example.
+
+A typical model for making such an allocation is to obtain the node id of the
+node to which the "current CPU" is attached using one of the kernel's
+numa_node_id() or CPU_to_node() functions and then request memory from only
+the node id returned.  When such an allocation fails, the requesting subsystem
+may revert to its own fallback path.  The slab kernel memory allocator is an
+example of this.  Or, the subsystem may choose to disable or not to enable
+itself on allocation failure.  The kernel profiling subsystem is an example of
+this.
+
+If the architecture supports--does not hide--memoryless nodes, then CPUs
+attached to memoryless nodes would always incur the fallback path overhead
+or some subsystems would fail to initialize if they attempted to allocated
+memory exclusively from a node without memory.  To support such
+architectures transparently, kernel subsystems can use the numa_mem_id()
+or cpu_to_mem() function to locate the "local memory node" for the calling or
+specified CPU.  Again, this is the same node from which default, local page
+allocations will be attempted.

From 03a3f695cb9776cfa7da5e8e6d34fd20dd56510e Mon Sep 17 00:00:00 2001
From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Thu, 27 May 2010 09:03:19 -0700
Subject: [PATCH 3475/3638] Input: s3c2410_ts - restore accidentially dropped
 s3c24xx ids

Without s3c24xx ids driver doesn't attach on s3c2410 and s3c244x

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/input/touchscreen/s3c2410_ts.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
index e0b7c834111..ac5d0f9b0cb 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c
@@ -413,6 +413,8 @@ static struct dev_pm_ops s3c_ts_pmops = {
 #endif
 
 static struct platform_device_id s3cts_driver_ids[] = {
+	{ "s3c2410-ts", 0 },
+	{ "s3c2440-ts", 0 },
 	{ "s3c64xx-ts", FEAT_PEN_IRQ },
 	{ }
 };

From dce80a56268fffd6b5ea57b3f6ba3d027a68f05e Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Wed, 26 May 2010 11:28:08 +0800
Subject: [PATCH 3476/3638] SFI: add sysfs interface for SFI tables.

Analogous to ACPI's /sys/firmware/acpi/tables/...

create /sys/firmware/sfi/tables/

The tables are primariy for the kernel,
but sometimes it is useful for user-space to be
able to read them.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/ABI/testing/sysfs-firmware-sfi |  15 +++
 drivers/sfi/sfi_acpi.c                       |  41 ++++++++
 drivers/sfi/sfi_core.c                       | 103 +++++++++++++++++++
 drivers/sfi/sfi_core.h                       |   8 ++
 4 files changed, 167 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-firmware-sfi

diff --git a/Documentation/ABI/testing/sysfs-firmware-sfi b/Documentation/ABI/testing/sysfs-firmware-sfi
new file mode 100644
index 00000000000..4be7d44aeac
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-firmware-sfi
@@ -0,0 +1,15 @@
+What:		/sys/firmware/sfi/tables/
+Date:		May 2010
+Contact:	Len Brown <lenb@kernel.org>
+Description:
+		SFI defines a number of small static memory tables
+		so the kernel can get platform information from firmware.
+
+		The tables are defined in the latest SFI specification:
+		http://simplefirmware.org/documentation
+
+		While the tables are used by the kernel, user-space
+		can observe them this way:
+
+		# cd /sys/firmware/sfi/tables
+		# cat $TABLENAME > $TABLENAME.bin
diff --git a/drivers/sfi/sfi_acpi.c b/drivers/sfi/sfi_acpi.c
index 34aba30eb84..f5b4ca58154 100644
--- a/drivers/sfi/sfi_acpi.c
+++ b/drivers/sfi/sfi_acpi.c
@@ -173,3 +173,44 @@ int sfi_acpi_table_parse(char *signature, char *oem_id, char *oem_table_id,
 	sfi_acpi_put_table(table);
 	return ret;
 }
+
+static ssize_t sfi_acpi_table_show(struct file *filp, struct kobject *kobj,
+			       struct bin_attribute *bin_attr, char *buf,
+			       loff_t offset, size_t count)
+{
+	struct sfi_table_attr *tbl_attr =
+	    container_of(bin_attr, struct sfi_table_attr, attr);
+	struct acpi_table_header *th = NULL;
+	struct sfi_table_key key;
+	ssize_t cnt;
+
+	key.sig = tbl_attr->name;
+	key.oem_id = NULL;
+	key.oem_table_id = NULL;
+
+	th = sfi_acpi_get_table(&key);
+	if (!th)
+		return 0;
+
+	cnt =  memory_read_from_buffer(buf, count, &offset,
+					th, th->length);
+	sfi_acpi_put_table(th);
+
+	return cnt;
+}
+
+
+void __init sfi_acpi_sysfs_init(void)
+{
+	u32 tbl_cnt, i;
+	struct sfi_table_attr *tbl_attr;
+
+	tbl_cnt = XSDT_GET_NUM_ENTRIES(xsdt_va, u64);
+	for (i = 0; i < tbl_cnt; i++) {
+		tbl_attr =
+			sfi_sysfs_install_table(xsdt_va->table_offset_entry[i]);
+		tbl_attr->attr.read = sfi_acpi_table_show;
+	}
+
+	return;
+}
diff --git a/drivers/sfi/sfi_core.c b/drivers/sfi/sfi_core.c
index aba6a461365..00519595864 100644
--- a/drivers/sfi/sfi_core.c
+++ b/drivers/sfi/sfi_core.c
@@ -67,6 +67,7 @@
 #include <linux/acpi.h>
 #include <linux/init.h>
 #include <linux/sfi.h>
+#include <linux/slab.h>
 
 #include "sfi_core.h"
 
@@ -382,6 +383,102 @@ static __init int sfi_find_syst(void)
 	return -1;
 }
 
+static struct kobject *sfi_kobj;
+static struct kobject *tables_kobj;
+
+static ssize_t sfi_table_show(struct file *filp, struct kobject *kobj,
+			       struct bin_attribute *bin_attr, char *buf,
+			       loff_t offset, size_t count)
+{
+	struct sfi_table_attr *tbl_attr =
+	    container_of(bin_attr, struct sfi_table_attr, attr);
+	struct sfi_table_header *th = NULL;
+	struct sfi_table_key key;
+	ssize_t cnt;
+
+	key.sig = tbl_attr->name;
+	key.oem_id = NULL;
+	key.oem_table_id = NULL;
+
+	if (strncmp(SFI_SIG_SYST, tbl_attr->name, SFI_SIGNATURE_SIZE)) {
+		th = sfi_get_table(&key);
+		if (!th)
+			return 0;
+
+		cnt =  memory_read_from_buffer(buf, count, &offset,
+						th, th->len);
+		sfi_put_table(th);
+	} else
+		cnt =  memory_read_from_buffer(buf, count, &offset,
+					syst_va, syst_va->header.len);
+
+	return cnt;
+}
+
+struct sfi_table_attr __init *sfi_sysfs_install_table(u64 pa)
+{
+	struct sfi_table_attr *tbl_attr;
+	struct sfi_table_header *th;
+	int ret;
+
+	tbl_attr = kzalloc(sizeof(struct sfi_table_attr), GFP_KERNEL);
+	if (!tbl_attr)
+		return NULL;
+
+	th = sfi_map_table(pa);
+	if (!th || !th->sig[0]) {
+		kfree(tbl_attr);
+		return NULL;
+	}
+
+	sysfs_attr_init(&tbl_attr->attr.attr);
+	memcpy(tbl_attr->name, th->sig, SFI_SIGNATURE_SIZE);
+
+	tbl_attr->attr.size = 0;
+	tbl_attr->attr.read = sfi_table_show;
+	tbl_attr->attr.attr.name = tbl_attr->name;
+	tbl_attr->attr.attr.mode = 0400;
+
+	ret = sysfs_create_bin_file(tables_kobj,
+				  &tbl_attr->attr);
+	if (ret)
+		kfree(tbl_attr);
+
+	sfi_unmap_table(th);
+	return tbl_attr;
+}
+
+static int __init sfi_sysfs_init(void)
+{
+	int tbl_cnt, i;
+
+	if (sfi_disabled)
+		return 0;
+
+	sfi_kobj = kobject_create_and_add("sfi", firmware_kobj);
+	if (!sfi_kobj)
+		return 0;
+
+	tables_kobj = kobject_create_and_add("tables", sfi_kobj);
+	if (!tables_kobj) {
+		kobject_put(sfi_kobj);
+		return 0;
+	}
+
+	sfi_sysfs_install_table(syst_pa);
+
+	tbl_cnt = SFI_GET_NUM_ENTRIES(syst_va, u64);
+
+	for (i = 0; i < tbl_cnt; i++)
+		sfi_sysfs_install_table(syst_va->pentry[i]);
+
+	sfi_acpi_sysfs_init();
+	kobject_uevent(sfi_kobj, KOBJ_ADD);
+	kobject_uevent(tables_kobj, KOBJ_ADD);
+	pr_info("SFI sysfs interfaces init success\n");
+	return 0;
+}
+
 void __init sfi_init(void)
 {
 	if (!acpi_disabled)
@@ -414,3 +511,9 @@ void __init sfi_init_late(void)
 
 	sfi_acpi_init();
 }
+
+/*
+ * The reason we put it here becasue we need wait till the /sys/firmware
+ * is setup, then our interface can be registered in /sys/firmware/sfi
+ */
+core_initcall(sfi_sysfs_init);
diff --git a/drivers/sfi/sfi_core.h b/drivers/sfi/sfi_core.h
index da82d39e104..b7cf220d44e 100644
--- a/drivers/sfi/sfi_core.h
+++ b/drivers/sfi/sfi_core.h
@@ -61,6 +61,12 @@ struct sfi_table_key{
 	char	*oem_table_id;
 };
 
+/* sysfs interface */
+struct sfi_table_attr {
+	struct bin_attribute attr;
+	char name[8];
+};
+
 #define SFI_ANY_KEY { .sig = NULL, .oem_id = NULL, .oem_table_id = NULL }
 
 extern int __init sfi_acpi_init(void);
@@ -68,3 +74,5 @@ extern  struct sfi_table_header *sfi_check_table(u64 paddr,
 					struct sfi_table_key *key);
 struct sfi_table_header *sfi_get_table(struct sfi_table_key *key);
 extern void sfi_put_table(struct sfi_table_header *table);
+extern struct sfi_table_attr __init *sfi_sysfs_install_table(u64 pa);
+extern void __init sfi_acpi_sysfs_init(void);

From f32764bd2bbb6ea003c158b1d276b4dc9f900348 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 26 May 2010 23:21:58 +0200
Subject: [PATCH 3477/3638] quota: Convert quota statistics to generic
 percpu_counter

Generic per-cpu counter has some memory overhead but it is negligible for
modern systems and embedded systems compile without quota support.  And code
reuse is a good thing. This patch should fix complain from preemptive kernels
which was introduced by dde9588853b1bde.

[Jan Kara: Fixed patch to work on 32-bit archs as well]

Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/dquot.c      | 46 ++++++++++++-------------------------------
 include/linux/quota.h | 16 ++++-----------
 2 files changed, 17 insertions(+), 45 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 1ff91314b8a..531dee651ef 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -228,10 +228,6 @@ static struct hlist_head *dquot_hash;
 
 struct dqstats dqstats;
 EXPORT_SYMBOL(dqstats);
-#ifdef CONFIG_SMP
-struct dqstats *dqstats_pcpu;
-EXPORT_SYMBOL(dqstats_pcpu);
-#endif
 
 static qsize_t inode_get_rsv_space(struct inode *inode);
 static void __dquot_initialize(struct inode *inode, int type);
@@ -676,27 +672,10 @@ static void prune_dqcache(int count)
 	}
 }
 
-static int dqstats_read(unsigned int type)
-{
-	int count = 0;
-#ifdef CONFIG_SMP
-	int cpu;
-	for_each_possible_cpu(cpu)
-		count += per_cpu_ptr(dqstats_pcpu, cpu)->stat[type];
-	/* Statistics reading is racy, but absolute accuracy isn't required */
-	if (count < 0)
-		count = 0;
-#else
-	count = dqstats.stat[type];
-#endif
-	return count;
-}
-
 /*
  * This is called from kswapd when we think we need some
  * more memory
  */
-
 static int shrink_dqcache_memory(int nr, gfp_t gfp_mask)
 {
 	if (nr) {
@@ -704,7 +683,9 @@ static int shrink_dqcache_memory(int nr, gfp_t gfp_mask)
 		prune_dqcache(nr);
 		spin_unlock(&dq_list_lock);
 	}
-	return (dqstats_read(DQST_FREE_DQUOTS)/100) * sysctl_vfs_cache_pressure;
+	return ((unsigned)
+		percpu_counter_read_positive(&dqstats.counter[DQST_FREE_DQUOTS])
+		/100) * sysctl_vfs_cache_pressure;
 }
 
 static struct shrinker dqcache_shrinker = {
@@ -2497,11 +2478,11 @@ EXPORT_SYMBOL(dquot_quotactl_ops);
 static int do_proc_dqstats(struct ctl_table *table, int write,
 		     void __user *buffer, size_t *lenp, loff_t *ppos)
 {
-#ifdef CONFIG_SMP
-	/* Update global table */
 	unsigned int type = (int *)table->data - dqstats.stat;
-	dqstats.stat[type] = dqstats_read(type);
-#endif
+
+	/* Update global table */
+	dqstats.stat[type] =
+			percpu_counter_sum_positive(&dqstats.counter[type]);
 	return proc_dointvec(table, write, buffer, lenp, ppos);
 }
 
@@ -2594,7 +2575,7 @@ static ctl_table sys_table[] = {
 
 static int __init dquot_init(void)
 {
-	int i;
+	int i, ret;
 	unsigned long nr_hash, order;
 
 	printk(KERN_NOTICE "VFS: Disk quotas %s\n", __DQUOT_VERSION__);
@@ -2612,12 +2593,11 @@ static int __init dquot_init(void)
 	if (!dquot_hash)
 		panic("Cannot create dquot hash table");
 
-#ifdef CONFIG_SMP
-	dqstats_pcpu = alloc_percpu(struct dqstats);
-	if (!dqstats_pcpu)
-		panic("Cannot create dquot stats table");
-#endif
-	memset(&dqstats, 0, sizeof(struct dqstats));
+	for (i = 0; i < _DQST_DQSTAT_LAST; i++) {
+		ret = percpu_counter_init(&dqstats.counter[i], 0);
+		if (ret)
+			panic("Cannot create dquot stat counters");
+	}
 
 	/* Find power-of-two hlist_heads which can fit into allocation */
 	nr_hash = (1UL << order) * PAGE_SIZE / sizeof(struct hlist_head);
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 2789d07c37b..94c1f03b50e 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -174,8 +174,7 @@ enum {
 #include <linux/rwsem.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
-#include <linux/percpu.h>
-#include <linux/smp.h>
+#include <linux/percpu_counter.h>
 
 #include <linux/dqblk_xfs.h>
 #include <linux/dqblk_v1.h>
@@ -254,6 +253,7 @@ enum {
 
 struct dqstats {
 	int stat[_DQST_DQSTAT_LAST];
+	struct percpu_counter counter[_DQST_DQSTAT_LAST];
 };
 
 extern struct dqstats *dqstats_pcpu;
@@ -261,20 +261,12 @@ extern struct dqstats dqstats;
 
 static inline void dqstats_inc(unsigned int type)
 {
-#ifdef CONFIG_SMP
-	per_cpu_ptr(dqstats_pcpu, smp_processor_id())->stat[type]++;
-#else
-	dqstats.stat[type]++;
-#endif
+	percpu_counter_inc(&dqstats.counter[type]);
 }
 
 static inline void dqstats_dec(unsigned int type)
 {
-#ifdef CONFIG_SMP
-	per_cpu_ptr(dqstats_pcpu, smp_processor_id())->stat[type]--;
-#else
-	dqstats.stat[type]--;
-#endif
+	percpu_counter_dec(&dqstats.counter[type]);
 }
 
 #define DQ_MOD_B	0	/* dquot modified since read */

From c0d64cb031c21f163a0ec15cf10844bcf0ceedcf Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Sat, 22 May 2010 16:34:10 -0400
Subject: [PATCH 3478/3638] cpuidle: add cpuidle_unregister_driver() error
 check

Assure that cpuidle_unregister_driver() will not clobber
the registered driver if unregistered by somebody else.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/cpuidle/driver.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 2257004fe33..826b5c0aa12 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -45,8 +45,11 @@ EXPORT_SYMBOL_GPL(cpuidle_register_driver);
  */
 void cpuidle_unregister_driver(struct cpuidle_driver *drv)
 {
-	if (!drv)
+	if (drv != cpuidle_curr_driver) {
+		WARN(1, "invalid cpuidle_unregister_driver(%s)\n",
+			drv->name);
 		return;
+	}
 
 	spin_lock(&cpuidle_driver_lock);
 	cpuidle_curr_driver = NULL;

From 00b9b0af5887fed54e899e3b7f5c2ccf5e739def Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 27 May 2010 10:32:08 -0700
Subject: [PATCH 3479/3638] Avoid warning when CPU hotplug isn't enabled

Commit e9fb7631ebcd ("cpu-hotplug: introduce cpu_notify(),
__cpu_notify(), cpu_notify_nofail()") also introduced this annoying
warning:

  kernel/cpu.c:157: warning: 'cpu_notify_nofail' defined but not used

when CONFIG_HOTPLUG_CPU wasn't set.

So move that helper inside the #ifdef CONFIG_HOTPLUG_CPU region, and
simplify it while at it.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cpu.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 63e8de13c94..3097382eb44 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -154,16 +154,13 @@ static int cpu_notify(unsigned long val, void *v)
 	return __cpu_notify(val, v, -1, NULL);
 }
 
+#ifdef CONFIG_HOTPLUG_CPU
+
 static void cpu_notify_nofail(unsigned long val, void *v)
 {
-	int err;
-
-	err = cpu_notify(val, v);
-	BUG_ON(err);
+	BUG_ON(cpu_notify(val, v));
 }
 
-#ifdef CONFIG_HOTPLUG_CPU
-
 EXPORT_SYMBOL(register_cpu_notifier);
 
 void __ref unregister_cpu_notifier(struct notifier_block *nb)

From 70dd6beac02f43a5099fcf5fddf68cfee0cbf479 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Thu, 27 May 2010 19:58:37 +0200
Subject: [PATCH 3480/3638] hwmon: (asus_atk0110) Don't load if ACPI resources
 aren't enforced

When the user passes the kernel parameter acpi_enforce_resources=lax,
the ACPI resources are no longer protected, so a native driver can
make use of them. In that case, we do not want the asus_atk0110 to be
loaded. Unfortunately, this driver loads automatically due to its
MODULE_DEVICE_TABLE, so the user ends up with two drivers loaded for
the same device - this is bad.

So I suggest that we prevent the asus_atk0110 driver from loading if
acpi_enforce_resources=lax.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Luca Tettamanti <kronos.it@gmail.com>
Cc: Len Brown <lenb@kernel.org>
---
 drivers/acpi/osl.c           | 9 +++++++++
 drivers/hwmon/asus_atk0110.c | 7 +++++++
 include/linux/acpi.h         | 2 ++
 3 files changed, 18 insertions(+)

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 4bc1c4178f5..78418ce4fc7 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1206,6 +1206,15 @@ int acpi_check_mem_region(resource_size_t start, resource_size_t n,
 }
 EXPORT_SYMBOL(acpi_check_mem_region);
 
+/*
+ * Let drivers know whether the resource checks are effective
+ */
+int acpi_resources_are_enforced(void)
+{
+	return acpi_enforce_resources == ENFORCE_RESOURCES_STRICT;
+}
+EXPORT_SYMBOL(acpi_resources_are_enforced);
+
 /*
  * Acquire a spinlock.
  *
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index 16c42024072..653db1bda93 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -1411,6 +1411,13 @@ static int __init atk0110_init(void)
 {
 	int ret;
 
+	/* Make sure it's safe to access the device through ACPI */
+	if (!acpi_resources_are_enforced()) {
+		pr_err("atk: Resources not safely usable due to "
+		       "acpi_enforce_resources kernel parameter\n");
+		return -EBUSY;
+	}
+
 	ret = acpi_bus_register_driver(&atk_driver);
 	if (ret)
 		pr_info("atk: acpi_bus_register_driver failed: %d\n", ret);
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 3da73f5f0ae..2c60f1f70b3 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -248,6 +248,8 @@ int acpi_check_region(resource_size_t start, resource_size_t n,
 int acpi_check_mem_region(resource_size_t start, resource_size_t n,
 		      const char *name);
 
+int acpi_resources_are_enforced(void);
+
 #ifdef CONFIG_PM_SLEEP
 void __init acpi_no_s4_hw_signature(void);
 void __init acpi_old_suspend_ordering(void);

From 10f2ed31aae11040dfd64cee10c47db79b4b4647 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Thu, 27 May 2010 19:58:38 +0200
Subject: [PATCH 3481/3638] hwmon: (lm63) Add basic support for LM64

The LM64 appears to be an LM63 with added GPIO lines. Add support for the
hwmon functionality - GPIO can be added at some later stage if someone
has a need for them.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/lm63 |  7 +++++++
 drivers/hwmon/Kconfig    | 11 ++++++-----
 drivers/hwmon/lm63.c     | 16 ++++++++++++----
 3 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/Documentation/hwmon/lm63 b/Documentation/hwmon/lm63
index 31660bf9797..b9843eab1af 100644
--- a/Documentation/hwmon/lm63
+++ b/Documentation/hwmon/lm63
@@ -7,6 +7,11 @@ Supported chips:
     Addresses scanned: I2C 0x4c
     Datasheet: Publicly available at the National Semiconductor website
                http://www.national.com/pf/LM/LM63.html
+  * National Semiconductor LM64
+    Prefix: 'lm64'
+    Addresses scanned: I2C 0x18 and 0x4e
+    Datasheet: Publicly available at the National Semiconductor website
+               http://www.national.com/pf/LM/LM64.html
 
 Author: Jean Delvare <khali@linux-fr.org>
 
@@ -55,3 +60,5 @@ The lm63 driver will not update its values more frequently than every
 second; reading them more often will do no harm, but will return 'old'
 values.
 
+The LM64 is effectively an LM63 with GPIO lines. The driver does not
+support these GPIO lines at present.
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 6a9ac754ca5..fa609586c7c 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -447,13 +447,14 @@ config SENSORS_IT87
 	  will be called it87.
 
 config SENSORS_LM63
-	tristate "National Semiconductor LM63"
+	tristate "National Semiconductor LM63 and LM64"
 	depends on I2C
 	help
-	  If you say yes here you get support for the National Semiconductor
-	  LM63 remote diode digital temperature sensor with integrated fan
-	  control.  Such chips are found on the Tyan S4882 (Thunder K8QS Pro)
-	  motherboard, among others.
+	  If you say yes here you get support for the National
+	  Semiconductor LM63 and LM64 remote diode digital temperature
+	  sensors with integrated fan control.  Such chips are found
+	  on the Tyan S4882 (Thunder K8QS Pro) motherboard, among
+	  others.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm63.
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index bf81aff7051..776aeb3019d 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -53,7 +53,7 @@
  * Address is fully defined internally and cannot be changed.
  */
 
-static const unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x18, 0x4c, 0x4e, I2C_CLIENT_END };
 
 /*
  * The LM63 registers
@@ -131,12 +131,15 @@ static struct lm63_data *lm63_update_device(struct device *dev);
 static int lm63_detect(struct i2c_client *client, struct i2c_board_info *info);
 static void lm63_init_client(struct i2c_client *client);
 
+enum chips { lm63, lm64 };
+
 /*
  * Driver data (common to all clients)
  */
 
 static const struct i2c_device_id lm63_id[] = {
-	{ "lm63", 0 },
+	{ "lm63", lm63 },
+	{ "lm64", lm64 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, lm63_id);
@@ -422,6 +425,7 @@ static int lm63_detect(struct i2c_client *new_client,
 	struct i2c_adapter *adapter = new_client->adapter;
 	u8 man_id, chip_id, reg_config1, reg_config2;
 	u8 reg_alert_status, reg_alert_mask;
+	int address = new_client->addr;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
@@ -439,7 +443,6 @@ static int lm63_detect(struct i2c_client *new_client,
 			 LM63_REG_ALERT_MASK);
 
 	if (man_id != 0x01 /* National Semiconductor */
-	 || chip_id != 0x41 /* LM63 */
 	 || (reg_config1 & 0x18) != 0x00
 	 || (reg_config2 & 0xF8) != 0x00
 	 || (reg_alert_status & 0x20) != 0x00
@@ -450,7 +453,12 @@ static int lm63_detect(struct i2c_client *new_client,
 		return -ENODEV;
 	}
 
-	strlcpy(info->type, "lm63", I2C_NAME_SIZE);
+	if (chip_id == 0x41 && address == 0x4c)
+		strlcpy(info->type, "lm63", I2C_NAME_SIZE);
+	else if (chip_id == 0x51 && (address == 0x18 || address == 0x4e))
+		strlcpy(info->type, "lm64", I2C_NAME_SIZE);
+	else
+		return -ENODEV;
 
 	return 0;
 }

From 162bb59e498a15e27717bcc0831b97d393f2290d Mon Sep 17 00:00:00 2001
From: Giel van Schijndel <me@mortis.eu>
Date: Thu, 27 May 2010 19:58:40 +0200
Subject: [PATCH 3482/3638] hwmon: (f71882fg) Fixed braces coding style issues

Fixed several coding style issues.

Signed-off-by: Giel van Schijndel <me@mortis.eu>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/f71882fg.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index a95fa4256ca..21bc66159b5 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -866,11 +866,11 @@ static int superio_inw(int base, int reg)
 static inline void superio_enter(int base)
 {
 	/* according to the datasheet the key must be send twice! */
-	outb( SIO_UNLOCK_KEY, base);
-	outb( SIO_UNLOCK_KEY, base);
+	outb(SIO_UNLOCK_KEY, base);
+	outb(SIO_UNLOCK_KEY, base);
 }
 
-static inline void superio_select( int base, int ld)
+static inline void superio_select(int base, int ld)
 {
 	outb(SIO_REG_LDSEL, base);
 	outb(ld, base + 1);
@@ -945,7 +945,7 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
 	mutex_lock(&data->update_lock);
 
 	/* Update once every 60 seconds */
-	if ( time_after(jiffies, data->last_limits + 60 * HZ ) ||
+	if (time_after(jiffies, data->last_limits + 60 * HZ) ||
 			!data->valid) {
 		if (data->type == f71882fg || data->type == f71889fg) {
 			data->in1_max =
@@ -2151,8 +2151,7 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
 	}
 
 	*address = superio_inw(sioaddr, SIO_REG_ADDR);
-	if (*address == 0)
-	{
+	if (*address == 0) {
 		printk(KERN_WARNING DRVNAME ": Base address not set\n");
 		goto exit;
 	}

From e8a4eacaa93853f977b0420ca42c471d528f93af Mon Sep 17 00:00:00 2001
From: Giel van Schijndel <me@mortis.eu>
Date: Thu, 27 May 2010 19:58:41 +0200
Subject: [PATCH 3483/3638] hwmon: (f71882fg) Use strict_stro(l|ul) instead of
 simple_strto$1

Use the strict_strol and strict_stroul functions instead of simple_strol
and simple_stroul respectively in sysfs functions.

Signed-off-by: Giel van Schijndel <me@mortis.eu>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/f71882fg.c | 133 ++++++++++++++++++++++++++++++---------
 1 file changed, 104 insertions(+), 29 deletions(-)

diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index 21bc66159b5..4230729780c 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -1127,8 +1127,12 @@ static ssize_t store_fan_full_speed(struct device *dev,
 				    const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	long val = simple_strtol(buf, NULL, 10);
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	val = SENSORS_LIMIT(val, 23, 1500000);
 	val = fan_to_reg(val);
@@ -1157,8 +1161,12 @@ static ssize_t store_fan_beep(struct device *dev, struct device_attribute
 	*devattr, const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	unsigned long val;
+
+	err = strict_strtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
@@ -1206,7 +1214,14 @@ static ssize_t store_in_max(struct device *dev, struct device_attribute
 	*devattr, const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10) / 8;
+	int err;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
+
+	val /= 8;
 	val = SENSORS_LIMIT(val, 0, 255);
 
 	mutex_lock(&data->update_lock);
@@ -1233,8 +1248,12 @@ static ssize_t store_in_beep(struct device *dev, struct device_attribute
 	*devattr, const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	unsigned long val;
+
+	err = strict_strtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
@@ -1299,8 +1318,14 @@ static ssize_t store_temp_max(struct device *dev, struct device_attribute
 	*devattr, const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	long val = simple_strtol(buf, NULL, 10) / 1000;
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
+
+	val /= 1000;
 	val = SENSORS_LIMIT(val, 0, 255);
 
 	mutex_lock(&data->update_lock);
@@ -1333,10 +1358,16 @@ static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
 	*devattr, const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	long val = simple_strtol(buf, NULL, 10) / 1000;
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
 	ssize_t ret = count;
 	u8 reg;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
+
+	val /= 1000;
 
 	mutex_lock(&data->update_lock);
 
@@ -1372,8 +1403,14 @@ static ssize_t store_temp_crit(struct device *dev, struct device_attribute
 	*devattr, const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	long val = simple_strtol(buf, NULL, 10) / 1000;
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
+
+	val /= 1000;
 	val = SENSORS_LIMIT(val, 0, 255);
 
 	mutex_lock(&data->update_lock);
@@ -1427,8 +1464,12 @@ static ssize_t store_temp_beep(struct device *dev, struct device_attribute
 	*devattr, const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	unsigned long val;
+
+	err = strict_strtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
@@ -1490,8 +1531,13 @@ static ssize_t store_pwm(struct device *dev,
 			 size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	long val = simple_strtol(buf, NULL, 10);
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
+
 	val = SENSORS_LIMIT(val, 0, 255);
 
 	mutex_lock(&data->update_lock);
@@ -1551,8 +1597,12 @@ static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
 				*devattr, const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	long val = simple_strtol(buf, NULL, 10);
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	/* Special case for F8000 pwm channel 3 which only does auto mode */
 	if (data->type == f8000 && nr == 2 && val != 2)
@@ -1626,9 +1676,14 @@ static ssize_t store_pwm_auto_point_pwm(struct device *dev,
 					const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int pwm = to_sensor_dev_attr_2(devattr)->index;
+	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
 	int point = to_sensor_dev_attr_2(devattr)->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
+
 	val = SENSORS_LIMIT(val, 0, 255);
 
 	mutex_lock(&data->update_lock);
@@ -1674,10 +1729,16 @@ static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
 					      const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
 	int point = to_sensor_dev_attr_2(devattr)->nr;
-	long val = simple_strtol(buf, NULL, 10) / 1000;
 	u8 reg;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
+
+	val /= 1000;
 
 	mutex_lock(&data->update_lock);
 	data->pwm_auto_point_temp[nr][point] =
@@ -1716,8 +1777,12 @@ static ssize_t store_pwm_interpolate(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	unsigned long val;
+
+	err = strict_strtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->pwm_auto_point_mapping[nr] =
@@ -1752,8 +1817,12 @@ static ssize_t store_pwm_auto_point_channel(struct device *dev,
 					    const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int nr = to_sensor_dev_attr_2(devattr)->index;
-	long val = simple_strtol(buf, NULL, 10);
+	int err, nr = to_sensor_dev_attr_2(devattr)->index;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	switch (val) {
 	case 1:
@@ -1798,9 +1867,15 @@ static ssize_t store_pwm_auto_point_temp(struct device *dev,
 					 const char *buf, size_t count)
 {
 	struct f71882fg_data *data = dev_get_drvdata(dev);
-	int pwm = to_sensor_dev_attr_2(devattr)->index;
+	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
 	int point = to_sensor_dev_attr_2(devattr)->nr;
-	long val = simple_strtol(buf, NULL, 10) / 1000;
+	long val;
+
+	err = strict_strtol(buf, 10, &val);
+	if (err)
+		return err;
+
+	val /= 1000;
 
 	if (data->type == f71889fg)
 		val = SENSORS_LIMIT(val, -128, 127);

From bd328acdc6160b95f5d7127a9df3172892f35627 Mon Sep 17 00:00:00 2001
From: Giel van Schijndel <me@mortis.eu>
Date: Thu, 27 May 2010 19:58:42 +0200
Subject: [PATCH 3484/3638] hwmon: (f71882fg) Code cleanup

Some code cleanup: properly use previously defined functions, rather
than duplicating their code.

Signed-off-by: Giel van Schijndel <me@mortis.eu>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/f71882fg.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index 4230729780c..ca34e5c4870 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -856,10 +856,8 @@ static inline int superio_inb(int base, int reg)
 static int superio_inw(int base, int reg)
 {
 	int val;
-	outb(reg++, base);
-	val = inb(base + 1) << 8;
-	outb(reg, base);
-	val |= inb(base + 1);
+	val  = superio_inb(base, reg) << 8;
+	val |= superio_inb(base, reg + 1);
 	return val;
 }
 
@@ -905,10 +903,8 @@ static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
 {
 	u16 val;
 
-	outb(reg++, data->addr + ADDR_REG_OFFSET);
-	val = inb(data->addr + DATA_REG_OFFSET) << 8;
-	outb(reg, data->addr + ADDR_REG_OFFSET);
-	val |= inb(data->addr + DATA_REG_OFFSET);
+	val  = f71882fg_read8(data, reg) << 8;
+	val |= f71882fg_read8(data, reg + 1);
 
 	return val;
 }
@@ -921,10 +917,8 @@ static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
 
 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
 {
-	outb(reg++, data->addr + ADDR_REG_OFFSET);
-	outb(val >> 8, data->addr + DATA_REG_OFFSET);
-	outb(reg, data->addr + ADDR_REG_OFFSET);
-	outb(val & 255, data->addr + DATA_REG_OFFSET);
+	f71882fg_write8(data, reg,     val >> 8);
+	f71882fg_write8(data, reg + 1, val & 0xff);
 }
 
 static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)

From 729d273aa7c86eb1406ade4eadf249cff188bf9a Mon Sep 17 00:00:00 2001
From: Giel van Schijndel <me@mortis.eu>
Date: Thu, 27 May 2010 19:58:43 +0200
Subject: [PATCH 3485/3638] hwmon: (f71882fg) Acquire I/O regions while we're
 working with them

Acquire the I/O region for the Super I/O chip while we're working on it.

Signed-off-by: Giel van Schijndel <me@mortis.eu>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/f71882fg.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index ca34e5c4870..537841ef44b 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -2178,6 +2178,13 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
 	int err = -ENODEV;
 	u16 devid;
 
+	/* Don't step on other drivers' I/O space by accident */
+	if (!request_region(sioaddr, 2, DRVNAME)) {
+		printk(KERN_ERR DRVNAME ": I/O address 0x%04x already in use\n",
+				(int)sioaddr);
+		return -EBUSY;
+	}
+
 	superio_enter(sioaddr);
 
 	devid = superio_inw(sioaddr, SIO_REG_MANID);
@@ -2232,6 +2239,7 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
 		(int)superio_inb(sioaddr, SIO_REG_DEVREV));
 exit:
 	superio_exit(sioaddr);
+	release_region(sioaddr, 2);
 	return err;
 }
 

From 8c3c7a256f7ab142dfbcee2d8633dbce5a36fde7 Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Thu, 27 May 2010 19:58:44 +0200
Subject: [PATCH 3486/3638] hwmon: (lm90) Use programmed update rate

The lm90 driver programs the sensor chip to update its readings at 2 Hz
(500 ms between readings). However, the driver only does reads from the
chip at intervals of 2 * HZ (2000 ms between readings). Change the driver
update rate to the programmed update rate.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/lm90.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 7cc2708871a..760ef72eea5 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -982,7 +982,8 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 
 	mutex_lock(&data->update_lock);
 
-	if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
+	if (time_after(jiffies, data->last_updated + HZ / 2 + HZ / 10)
+	 || !data->valid) {
 		u8 h, l;
 
 		dev_dbg(&client->dev, "Updating lm90 data.\n");

From d2b847d489ee4e9921bc61f47c3d0e992692fc0f Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Thu, 27 May 2010 19:58:45 +0200
Subject: [PATCH 3487/3638] hwmon: Add description of the update_rate sysfs
 attribute

The update_rate attribute can be used by drivers to let userspace choose
the update rate of the chip, if it is configurable.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/sysfs-interface | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 3de6b0bcb14..d4e2917c6f1 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -80,9 +80,9 @@ All entries (except name) are optional, and should only be created in a
 given driver if the chip has the feature.
 
 
-********
-* Name *
-********
+*********************
+* Global attributes *
+*********************
 
 name		The chip name.
 		This should be a short, lowercase string, not containing
@@ -91,6 +91,13 @@ name		The chip name.
 		I2C devices get this attribute created automatically.
 		RO
 
+update_rate	The rate at which the chip will update readings.
+		Unit: millisecond
+		RW
+		Some devices have a variable update rate. This attribute
+		can be used to change the update rate to the desired
+		frequency.
+
 
 ************
 * Voltages *

From 87c33daadbfea6034830d5494ecaa7521de0cdd3 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Thu, 27 May 2010 19:58:46 +0200
Subject: [PATCH 3488/3638] hwmon: (adm1031) Allow setting update rate

Based on earlier work by Ira W. Snyder.

The adm1031 chip is capable of using a runtime configurable sampling rate,
using the fan filter register. Add support for reading and setting the
update rate via sysfs.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Ira W. Snyder <iws@ovro.caltech.edu>
---
 drivers/hwmon/adm1031.c | 68 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 66 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index 1644b92e7cc..15c1a9616af 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -36,6 +36,7 @@
 #define ADM1031_REG_FAN_DIV(nr)		(0x20 + (nr))
 #define ADM1031_REG_PWM			(0x22)
 #define ADM1031_REG_FAN_MIN(nr)		(0x10 + (nr))
+#define ADM1031_REG_FAN_FILTER		(0x23)
 
 #define ADM1031_REG_TEMP_OFFSET(nr)	(0x0d + (nr))
 #define ADM1031_REG_TEMP_MAX(nr)	(0x14 + 4 * (nr))
@@ -61,6 +62,9 @@
 #define ADM1031_CONF2_TACH2_ENABLE	0x08
 #define ADM1031_CONF2_TEMP_ENABLE(chan)	(0x10 << (chan))
 
+#define ADM1031_UPDATE_RATE_MASK	0x1c
+#define ADM1031_UPDATE_RATE_SHIFT	2
+
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
 
@@ -75,6 +79,7 @@ struct adm1031_data {
 	int chip_type;
 	char valid;		/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
+	unsigned int update_rate;	/* In milliseconds */
 	/* The chan_select_table contains the possible configurations for
 	 * auto fan control.
 	 */
@@ -738,6 +743,57 @@ static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO, show_alarm, NULL, 12);
 static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 13);
 static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 14);
 
+/* Update Rate */
+static const unsigned int update_rates[] = {
+	16000, 8000, 4000, 2000, 1000, 500, 250, 125,
+};
+
+static ssize_t show_update_rate(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct adm1031_data *data = i2c_get_clientdata(client);
+
+	return sprintf(buf, "%u\n", data->update_rate);
+}
+
+static ssize_t set_update_rate(struct device *dev,
+			       struct device_attribute *attr,
+			       const char *buf, size_t count)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct adm1031_data *data = i2c_get_clientdata(client);
+	unsigned long val;
+	int i, err;
+	u8 reg;
+
+	err = strict_strtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	/* find the nearest update rate from the table */
+	for (i = 0; i < ARRAY_SIZE(update_rates) - 1; i++) {
+		if (val >= update_rates[i])
+			break;
+	}
+	/* if not found, we point to the last entry (lowest update rate) */
+
+	/* set the new update rate while preserving other settings */
+	reg = adm1031_read_value(client, ADM1031_REG_FAN_FILTER);
+	reg &= ~ADM1031_UPDATE_RATE_MASK;
+	reg |= i << ADM1031_UPDATE_RATE_SHIFT;
+	adm1031_write_value(client, ADM1031_REG_FAN_FILTER, reg);
+
+	mutex_lock(&data->update_lock);
+	data->update_rate = update_rates[i];
+	mutex_unlock(&data->update_lock);
+
+	return count;
+}
+
+static DEVICE_ATTR(update_rate, S_IRUGO | S_IWUSR, show_update_rate,
+		   set_update_rate);
+
 static struct attribute *adm1031_attributes[] = {
 	&sensor_dev_attr_fan1_input.dev_attr.attr,
 	&sensor_dev_attr_fan1_div.dev_attr.attr,
@@ -774,6 +830,7 @@ static struct attribute *adm1031_attributes[] = {
 
 	&sensor_dev_attr_auto_fan1_min_pwm.dev_attr.attr,
 
+	&dev_attr_update_rate.attr,
 	&dev_attr_alarms.attr,
 
 	NULL
@@ -900,6 +957,7 @@ static void adm1031_init_client(struct i2c_client *client)
 {
 	unsigned int read_val;
 	unsigned int mask;
+	int i;
 	struct adm1031_data *data = i2c_get_clientdata(client);
 
 	mask = (ADM1031_CONF2_PWM1_ENABLE | ADM1031_CONF2_TACH1_ENABLE);
@@ -919,18 +977,24 @@ static void adm1031_init_client(struct i2c_client *client)
 				ADM1031_CONF1_MONITOR_ENABLE);
 	}
 
+	/* Read the chip's update rate */
+	mask = ADM1031_UPDATE_RATE_MASK;
+	read_val = adm1031_read_value(client, ADM1031_REG_FAN_FILTER);
+	i = (read_val & mask) >> ADM1031_UPDATE_RATE_SHIFT;
+	data->update_rate = update_rates[i];
 }
 
 static struct adm1031_data *adm1031_update_device(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1031_data *data = i2c_get_clientdata(client);
+	unsigned long next_update;
 	int chan;
 
 	mutex_lock(&data->update_lock);
 
-	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
-	    || !data->valid) {
+	next_update = data->last_updated + msecs_to_jiffies(data->update_rate);
+	if (time_after(jiffies, next_update) || !data->valid) {
 
 		dev_dbg(&client->dev, "Starting adm1031 update\n");
 		for (chan = 0;

From 2b76d80adcc40b2d50cf78de046ccfc4bc63df59 Mon Sep 17 00:00:00 2001
From: Andre Prendel <andre.prendel@gmx.de>
Date: Thu, 27 May 2010 19:58:48 +0200
Subject: [PATCH 3489/3638] hwmon: (tmp401) Use constants for sysfs file
 permissions

Replace octal representation of file permissions by the corresponding
constants.

Signed-off-by: Andre Prendel <andre.prendel@gmx.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/tmp401.c | 50 +++++++++++++++++++++++-------------------
 1 file changed, 28 insertions(+), 22 deletions(-)

diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index d14a1af9f55..d58b40a6613 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -420,30 +420,36 @@ static ssize_t reset_temp_history(struct device *dev,
 }
 
 static struct sensor_device_attribute tmp401_attr[] = {
-	SENSOR_ATTR(temp1_input, 0444, show_temp_value, NULL, 0),
-	SENSOR_ATTR(temp1_min, 0644, show_temp_min, store_temp_min, 0),
-	SENSOR_ATTR(temp1_max, 0644, show_temp_max, store_temp_max, 0),
-	SENSOR_ATTR(temp1_crit, 0644, show_temp_crit, store_temp_crit, 0),
-	SENSOR_ATTR(temp1_crit_hyst, 0644, show_temp_crit_hyst,
+	SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_value, NULL, 0),
+	SENSOR_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min,
+		    store_temp_min, 0),
+	SENSOR_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max,
+		    store_temp_max, 0),
+	SENSOR_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp_crit,
+		    store_temp_crit, 0),
+	SENSOR_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_crit_hyst,
 		    store_temp_crit_hyst, 0),
-	SENSOR_ATTR(temp1_min_alarm, 0444, show_status, NULL,
+	SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_status, NULL,
 		    TMP401_STATUS_LOCAL_LOW),
-	SENSOR_ATTR(temp1_max_alarm, 0444, show_status, NULL,
+	SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_status, NULL,
 		    TMP401_STATUS_LOCAL_HIGH),
-	SENSOR_ATTR(temp1_crit_alarm, 0444, show_status, NULL,
+	SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_status, NULL,
 		    TMP401_STATUS_LOCAL_CRIT),
-	SENSOR_ATTR(temp2_input, 0444, show_temp_value, NULL, 1),
-	SENSOR_ATTR(temp2_min, 0644, show_temp_min, store_temp_min, 1),
-	SENSOR_ATTR(temp2_max, 0644, show_temp_max, store_temp_max, 1),
-	SENSOR_ATTR(temp2_crit, 0644, show_temp_crit, store_temp_crit, 1),
-	SENSOR_ATTR(temp2_crit_hyst, 0444, show_temp_crit_hyst, NULL, 1),
-	SENSOR_ATTR(temp2_fault, 0444, show_status, NULL,
+	SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_value, NULL, 1),
+	SENSOR_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min,
+		    store_temp_min, 1),
+	SENSOR_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max,
+		    store_temp_max, 1),
+	SENSOR_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp_crit,
+		    store_temp_crit, 1),
+	SENSOR_ATTR(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, 1),
+	SENSOR_ATTR(temp2_fault, S_IRUGO, show_status, NULL,
 		    TMP401_STATUS_REMOTE_OPEN),
-	SENSOR_ATTR(temp2_min_alarm, 0444, show_status, NULL,
+	SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_status, NULL,
 		    TMP401_STATUS_REMOTE_LOW),
-	SENSOR_ATTR(temp2_max_alarm, 0444, show_status, NULL,
+	SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_status, NULL,
 		    TMP401_STATUS_REMOTE_HIGH),
-	SENSOR_ATTR(temp2_crit_alarm, 0444, show_status, NULL,
+	SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_status, NULL,
 		    TMP401_STATUS_REMOTE_CRIT),
 };
 
@@ -455,11 +461,11 @@ static struct sensor_device_attribute tmp401_attr[] = {
  * and remote channels.
  */
 static struct sensor_device_attribute tmp411_attr[] = {
-	SENSOR_ATTR(temp1_highest, 0444, show_temp_highest, NULL, 0),
-	SENSOR_ATTR(temp1_lowest, 0444, show_temp_lowest, NULL, 0),
-	SENSOR_ATTR(temp2_highest, 0444, show_temp_highest, NULL, 1),
-	SENSOR_ATTR(temp2_lowest, 0444, show_temp_lowest, NULL, 1),
-	SENSOR_ATTR(temp_reset_history, 0200, NULL, reset_temp_history, 0),
+	SENSOR_ATTR(temp1_highest, S_IRUGO, show_temp_highest, NULL, 0),
+	SENSOR_ATTR(temp1_lowest, S_IRUGO, show_temp_lowest, NULL, 0),
+	SENSOR_ATTR(temp2_highest, S_IRUGO, show_temp_highest, NULL, 1),
+	SENSOR_ATTR(temp2_lowest, S_IRUGO, show_temp_lowest, NULL, 1),
+	SENSOR_ATTR(temp_reset_history, S_IWUSR, NULL, reset_temp_history, 0),
 };
 
 /*

From ea63c2b91fd8b5c697bcae6a84ff4b4cef571216 Mon Sep 17 00:00:00 2001
From: Andre Prendel <andre.prendel@gmx.de>
Date: Thu, 27 May 2010 19:58:49 +0200
Subject: [PATCH 3490/3638] hwmon: (tmp401) Reorganize code to get rid of
 static forward declarations

Signed-off-by: Andre Prendel <andre.prendel@gmx.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/tmp401.c | 205 +++++++++++++++++++----------------------
 1 file changed, 97 insertions(+), 108 deletions(-)

diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index d58b40a6613..ad8d535235c 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -91,17 +91,6 @@ static const u8 TMP411_TEMP_HIGHEST_LSB[2]		= { 0x33, 0x37 };
 #define TMP401_DEVICE_ID			0x11
 #define TMP411_DEVICE_ID			0x12
 
-/*
- * Functions declarations
- */
-
-static int tmp401_probe(struct i2c_client *client,
-			const struct i2c_device_id *id);
-static int tmp401_detect(struct i2c_client *client,
-			 struct i2c_board_info *info);
-static int tmp401_remove(struct i2c_client *client);
-static struct tmp401_data *tmp401_update_device(struct device *dev);
-
 /*
  * Driver data (common to all clients)
  */
@@ -113,18 +102,6 @@ static const struct i2c_device_id tmp401_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, tmp401_id);
 
-static struct i2c_driver tmp401_driver = {
-	.class		= I2C_CLASS_HWMON,
-	.driver = {
-		.name	= "tmp401",
-	},
-	.probe		= tmp401_probe,
-	.remove		= tmp401_remove,
-	.id_table	= tmp401_id,
-	.detect		= tmp401_detect,
-	.address_list	= normal_i2c,
-};
-
 /*
  * Client data (each client gets its own)
  */
@@ -194,6 +171,71 @@ static u8 tmp401_crit_temp_to_register(long temp, u8 config)
 	return (temp + 500) / 1000;
 }
 
+static struct tmp401_data *tmp401_update_device_reg16(
+	struct i2c_client *client, struct tmp401_data *data)
+{
+	int i;
+
+	for (i = 0; i < 2; i++) {
+		/*
+		 * High byte must be read first immediately followed
+		 * by the low byte
+		 */
+		data->temp[i] = i2c_smbus_read_byte_data(client,
+			TMP401_TEMP_MSB[i]) << 8;
+		data->temp[i] |= i2c_smbus_read_byte_data(client,
+			TMP401_TEMP_LSB[i]);
+		data->temp_low[i] = i2c_smbus_read_byte_data(client,
+			TMP401_TEMP_LOW_LIMIT_MSB_READ[i]) << 8;
+		data->temp_low[i] |= i2c_smbus_read_byte_data(client,
+			TMP401_TEMP_LOW_LIMIT_LSB[i]);
+		data->temp_high[i] = i2c_smbus_read_byte_data(client,
+			TMP401_TEMP_HIGH_LIMIT_MSB_READ[i]) << 8;
+		data->temp_high[i] |= i2c_smbus_read_byte_data(client,
+			TMP401_TEMP_HIGH_LIMIT_LSB[i]);
+		data->temp_crit[i] = i2c_smbus_read_byte_data(client,
+			TMP401_TEMP_CRIT_LIMIT[i]);
+
+		if (data->kind == tmp411) {
+			data->temp_lowest[i] = i2c_smbus_read_byte_data(client,
+				TMP411_TEMP_LOWEST_MSB[i]) << 8;
+			data->temp_lowest[i] |= i2c_smbus_read_byte_data(
+				client, TMP411_TEMP_LOWEST_LSB[i]);
+
+			data->temp_highest[i] = i2c_smbus_read_byte_data(
+				client, TMP411_TEMP_HIGHEST_MSB[i]) << 8;
+			data->temp_highest[i] |= i2c_smbus_read_byte_data(
+				client, TMP411_TEMP_HIGHEST_LSB[i]);
+		}
+	}
+	return data;
+}
+
+static struct tmp401_data *tmp401_update_device(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct tmp401_data *data = i2c_get_clientdata(client);
+
+	mutex_lock(&data->update_lock);
+
+	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+		data->status = i2c_smbus_read_byte_data(client, TMP401_STATUS);
+		data->config = i2c_smbus_read_byte_data(client,
+						TMP401_CONFIG_READ);
+		tmp401_update_device_reg16(client, data);
+
+		data->temp_crit_hyst = i2c_smbus_read_byte_data(client,
+						TMP401_TEMP_CRIT_HYST);
+
+		data->last_updated = jiffies;
+		data->valid = 1;
+	}
+
+	mutex_unlock(&data->update_lock);
+
+	return data;
+}
+
 static ssize_t show_temp_value(struct device *dev,
 	struct device_attribute *devattr, char *buf)
 {
@@ -535,6 +577,27 @@ static int tmp401_detect(struct i2c_client *client,
 	return 0;
 }
 
+static int tmp401_remove(struct i2c_client *client)
+{
+	struct tmp401_data *data = i2c_get_clientdata(client);
+	int i;
+
+	if (data->hwmon_dev)
+		hwmon_device_unregister(data->hwmon_dev);
+
+	for (i = 0; i < ARRAY_SIZE(tmp401_attr); i++)
+		device_remove_file(&client->dev, &tmp401_attr[i].dev_attr);
+
+	if (data->kind == tmp411) {
+		for (i = 0; i < ARRAY_SIZE(tmp411_attr); i++)
+			device_remove_file(&client->dev,
+					   &tmp411_attr[i].dev_attr);
+	}
+
+	kfree(data);
+	return 0;
+}
+
 static int tmp401_probe(struct i2c_client *client,
 			const struct i2c_device_id *id)
 {
@@ -587,91 +650,17 @@ exit_remove:
 	return err;
 }
 
-static int tmp401_remove(struct i2c_client *client)
-{
-	struct tmp401_data *data = i2c_get_clientdata(client);
-	int i;
-
-	if (data->hwmon_dev)
-		hwmon_device_unregister(data->hwmon_dev);
-
-	for (i = 0; i < ARRAY_SIZE(tmp401_attr); i++)
-		device_remove_file(&client->dev, &tmp401_attr[i].dev_attr);
-
-	if (data->kind == tmp411) {
-		for (i = 0; i < ARRAY_SIZE(tmp411_attr); i++)
-			device_remove_file(&client->dev,
-					   &tmp411_attr[i].dev_attr);
-	}
-
-	kfree(data);
-	return 0;
-}
-
-static struct tmp401_data *tmp401_update_device_reg16(
-	struct i2c_client *client, struct tmp401_data *data)
-{
-	int i;
-
-	for (i = 0; i < 2; i++) {
-		/*
-		 * High byte must be read first immediately followed
-		 * by the low byte
-		 */
-		data->temp[i] = i2c_smbus_read_byte_data(client,
-			TMP401_TEMP_MSB[i]) << 8;
-		data->temp[i] |= i2c_smbus_read_byte_data(client,
-			TMP401_TEMP_LSB[i]);
-		data->temp_low[i] = i2c_smbus_read_byte_data(client,
-			TMP401_TEMP_LOW_LIMIT_MSB_READ[i]) << 8;
-		data->temp_low[i] |= i2c_smbus_read_byte_data(client,
-			TMP401_TEMP_LOW_LIMIT_LSB[i]);
-		data->temp_high[i] = i2c_smbus_read_byte_data(client,
-			TMP401_TEMP_HIGH_LIMIT_MSB_READ[i]) << 8;
-		data->temp_high[i] |= i2c_smbus_read_byte_data(client,
-			TMP401_TEMP_HIGH_LIMIT_LSB[i]);
-		data->temp_crit[i] = i2c_smbus_read_byte_data(client,
-			TMP401_TEMP_CRIT_LIMIT[i]);
-
-		if (data->kind == tmp411) {
-			data->temp_lowest[i] = i2c_smbus_read_byte_data(client,
-				TMP411_TEMP_LOWEST_MSB[i]) << 8;
-			data->temp_lowest[i] |= i2c_smbus_read_byte_data(
-				client, TMP411_TEMP_LOWEST_LSB[i]);
-
-			data->temp_highest[i] = i2c_smbus_read_byte_data(
-				client, TMP411_TEMP_HIGHEST_MSB[i]) << 8;
-			data->temp_highest[i] |= i2c_smbus_read_byte_data(
-				client, TMP411_TEMP_HIGHEST_LSB[i]);
-		}
-	}
-	return data;
-}
-
-static struct tmp401_data *tmp401_update_device(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct tmp401_data *data = i2c_get_clientdata(client);
-
-	mutex_lock(&data->update_lock);
-
-	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
-		data->status = i2c_smbus_read_byte_data(client, TMP401_STATUS);
-		data->config = i2c_smbus_read_byte_data(client,
-						TMP401_CONFIG_READ);
-		tmp401_update_device_reg16(client, data);
-
-		data->temp_crit_hyst = i2c_smbus_read_byte_data(client,
-						TMP401_TEMP_CRIT_HYST);
-
-		data->last_updated = jiffies;
-		data->valid = 1;
-	}
-
-	mutex_unlock(&data->update_lock);
-
-	return data;
-}
+static struct i2c_driver tmp401_driver = {
+	.class		= I2C_CLASS_HWMON,
+	.driver = {
+		.name	= "tmp401",
+	},
+	.probe		= tmp401_probe,
+	.remove		= tmp401_remove,
+	.id_table	= tmp401_id,
+	.detect		= tmp401_detect,
+	.address_list	= normal_i2c,
+};
 
 static int __init tmp401_init(void)
 {

From 4e4a99d32721800c061191027f18f780dcbd9e0b Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Thu, 27 May 2010 19:58:50 +0200
Subject: [PATCH 3491/3638] hwmon: (applesmc) Add support for MacBook Pro 5,3
 and 5,4

The MacBookPro 5,3 model has two fans, whereas the 5,4 model has
only one. This patch adds explicit support for the 5,3 and 5,4 models.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/applesmc.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index f085c18d290..be33094468d 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -148,6 +148,13 @@ static const char *temperature_sensors_sets[][41] = {
 /* Set 18: MacBook Pro 2,2 */
 	{ "TB0T", "TC0D", "TC0P", "TG0H", "TG0P", "TG0T", "TM0P", "TTF0",
 	  "Th0H", "Th1H", "Tm0P", "Ts0P", NULL },
+/* Set 19: Macbook Pro 5,3 */
+	{ "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TG0D",
+	  "TG0F", "TG0H", "TG0P", "TG0T", "TN0D", "TN0P", "TTF0", "Th2H",
+	  "Tm0P", "Ts0P", "Ts0S", NULL },
+/* Set 20: MacBook Pro 5,4 */
+	{ "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TN0D",
+	  "TN0P", "TTF0", "Th2H", "Ts0P", "Ts0S", NULL },
 };
 
 /* List of keys used to read/write fan speeds */
@@ -1363,6 +1370,10 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
 	{ .accelerometer = 0, .light = 0, .temperature_set = 17 },
 /* MacBook Pro 2,2: accelerometer, backlight and temperature set 18 */
 	{ .accelerometer = 1, .light = 1, .temperature_set = 18 },
+/* MacBook Pro 5,3: accelerometer, backlight and temperature set 19 */
+	{ .accelerometer = 1, .light = 1, .temperature_set = 19 },
+/* MacBook Pro 5,4: accelerometer, backlight and temperature set 20 */
+	{ .accelerometer = 1, .light = 1, .temperature_set = 20 },
 };
 
 /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
@@ -1376,6 +1387,14 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") },
 		&applesmc_dmi_data[7]},
+	{ applesmc_dmi_match, "Apple MacBook Pro 5,4", {
+	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5,4") },
+		&applesmc_dmi_data[20]},
+	{ applesmc_dmi_match, "Apple MacBook Pro 5,3", {
+	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5,3") },
+		&applesmc_dmi_data[19]},
 	{ applesmc_dmi_match, "Apple MacBook Pro 5", {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5") },

From 872bad55e2d3fcc13e1e8770a3b200f0c6ca5126 Mon Sep 17 00:00:00 2001
From: Bernhard Froemel <froemel@vmars.tuwien.ac.at>
Date: Thu, 27 May 2010 19:58:52 +0200
Subject: [PATCH 3492/3638] hwmon: (applesmc) Add generic support for MacBook
 Pro 6

This patch adds generic support for the MacBook Pro 6 family
based on the 6,2 model.

[rydberg@euromail.se: patch cleanup]
Signed-off-by: Bernhard Froemel <froemel@vmars.tuwien.ac.at>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/applesmc.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index be33094468d..ce41a437477 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -155,6 +155,10 @@ static const char *temperature_sensors_sets[][41] = {
 /* Set 20: MacBook Pro 5,4 */
 	{ "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TN0D",
 	  "TN0P", "TTF0", "Th2H", "Ts0P", "Ts0S", NULL },
+/* Set 21: MacBook Pro 6,2 */
+	{ "TB0T", "TB1T", "TB2T", "TC0C", "TC0D", "TC0P", "TC1C", "TG0D",
+	  "TG0P", "TG0T", "TMCD", "TP0P", "TPCD", "Th1H", "Th2H", "Tm0P",
+	  "Ts0P", "Ts0S", NULL },
 };
 
 /* List of keys used to read/write fan speeds */
@@ -1374,6 +1378,8 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
 	{ .accelerometer = 1, .light = 1, .temperature_set = 19 },
 /* MacBook Pro 5,4: accelerometer, backlight and temperature set 20 */
 	{ .accelerometer = 1, .light = 1, .temperature_set = 20 },
+/* MacBook Pro 6,2: accelerometer, backlight and temperature set 21 */
+	{ .accelerometer = 1, .light = 1, .temperature_set = 21 },
 };
 
 /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
@@ -1395,6 +1401,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5,3") },
 		&applesmc_dmi_data[19]},
+	{ applesmc_dmi_match, "Apple MacBook Pro 6", {
+	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro6") },
+		&applesmc_dmi_data[21]},
 	{ applesmc_dmi_match, "Apple MacBook Pro 5", {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5") },

From 405eaa1c1d045cdd872802fc515f638573984880 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Thu, 27 May 2010 19:58:53 +0200
Subject: [PATCH 3493/3638] hwmon: (applesmc) Add generic support for MacBook
 Pro 7

This patch adds generic support for the MacBook Pro 7 family
based on the 7,1 model.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/applesmc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index ce41a437477..57c033169ac 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -159,6 +159,9 @@ static const char *temperature_sensors_sets[][41] = {
 	{ "TB0T", "TB1T", "TB2T", "TC0C", "TC0D", "TC0P", "TC1C", "TG0D",
 	  "TG0P", "TG0T", "TMCD", "TP0P", "TPCD", "Th1H", "Th2H", "Tm0P",
 	  "Ts0P", "Ts0S", NULL },
+/* Set 22: MacBook Pro 7,1 */
+	{ "TB0T", "TB1T", "TB2T", "TC0D", "TC0P", "TN0D", "TN0P", "TN0S",
+	  "TN1D", "TN1F", "TN1G", "TN1S", "Th1H", "Ts0P", "Ts0S", NULL },
 };
 
 /* List of keys used to read/write fan speeds */
@@ -1380,6 +1383,8 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
 	{ .accelerometer = 1, .light = 1, .temperature_set = 20 },
 /* MacBook Pro 6,2: accelerometer, backlight and temperature set 21 */
 	{ .accelerometer = 1, .light = 1, .temperature_set = 21 },
+/* MacBook Pro 7,1: accelerometer, backlight and temperature set 22 */
+	{ .accelerometer = 1, .light = 1, .temperature_set = 22 },
 };
 
 /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
@@ -1393,6 +1398,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") },
 		&applesmc_dmi_data[7]},
+	{ applesmc_dmi_match, "Apple MacBook Pro 7", {
+	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro7") },
+		&applesmc_dmi_data[22]},
 	{ applesmc_dmi_match, "Apple MacBook Pro 5,4", {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5,4") },

From fa5575cff92eb43f467b9b00468d70d073e8b3d2 Mon Sep 17 00:00:00 2001
From: Alex Murray <murray.alex@gmail.com>
Date: Thu, 27 May 2010 19:58:54 +0200
Subject: [PATCH 3494/3638] hwmon: (applesmc) Add temperature sensor labels to
 sysfs interface

The Apple SMC uses a systematic labeling scheme for the hardware
temperature sensors. This scheme is currently hidden from
userland. Since the sensor set, and consequently the numbering,
differs between models, an extensive database of configurations is
required for an application such as fan control. This patch adds the
SMC labels to the hwmon sysfs interface, allowing applications to use
the sensors more intelligibly.

[rydberg@euromail.se: fixed error handling]
Signed-off-by: Alex Murray <murray.alex@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/applesmc.c | 148 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 147 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 57c033169ac..b6598aa557a 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -660,6 +660,17 @@ out:
 		return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", left, right);
 }
 
+/* Displays sensor key as label */
+static ssize_t applesmc_show_sensor_label(struct device *dev,
+			struct device_attribute *devattr, char *sysfsbuf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	const char *key =
+		temperature_sensors_sets[applesmc_temperature_set][attr->index];
+
+	return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", key);
+}
+
 /* Displays degree Celsius * 1000 */
 static ssize_t applesmc_show_temperature(struct device *dev,
 			struct device_attribute *devattr, char *sysfsbuf)
@@ -1127,6 +1138,86 @@ static const struct attribute_group fan_attribute_groups[] = {
 /*
  * Temperature sensors sysfs entries.
  */
+static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 5);
+static SENSOR_DEVICE_ATTR(temp7_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 6);
+static SENSOR_DEVICE_ATTR(temp8_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 7);
+static SENSOR_DEVICE_ATTR(temp9_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 8);
+static SENSOR_DEVICE_ATTR(temp10_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 9);
+static SENSOR_DEVICE_ATTR(temp11_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 10);
+static SENSOR_DEVICE_ATTR(temp12_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 11);
+static SENSOR_DEVICE_ATTR(temp13_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 12);
+static SENSOR_DEVICE_ATTR(temp14_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 13);
+static SENSOR_DEVICE_ATTR(temp15_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 14);
+static SENSOR_DEVICE_ATTR(temp16_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 15);
+static SENSOR_DEVICE_ATTR(temp17_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 16);
+static SENSOR_DEVICE_ATTR(temp18_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 17);
+static SENSOR_DEVICE_ATTR(temp19_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 18);
+static SENSOR_DEVICE_ATTR(temp20_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 19);
+static SENSOR_DEVICE_ATTR(temp21_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 20);
+static SENSOR_DEVICE_ATTR(temp22_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 21);
+static SENSOR_DEVICE_ATTR(temp23_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 22);
+static SENSOR_DEVICE_ATTR(temp24_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 23);
+static SENSOR_DEVICE_ATTR(temp25_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 24);
+static SENSOR_DEVICE_ATTR(temp26_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 25);
+static SENSOR_DEVICE_ATTR(temp27_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 26);
+static SENSOR_DEVICE_ATTR(temp28_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 27);
+static SENSOR_DEVICE_ATTR(temp29_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 28);
+static SENSOR_DEVICE_ATTR(temp30_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 29);
+static SENSOR_DEVICE_ATTR(temp31_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 30);
+static SENSOR_DEVICE_ATTR(temp32_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 31);
+static SENSOR_DEVICE_ATTR(temp33_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 32);
+static SENSOR_DEVICE_ATTR(temp34_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 33);
+static SENSOR_DEVICE_ATTR(temp35_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 34);
+static SENSOR_DEVICE_ATTR(temp36_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 35);
+static SENSOR_DEVICE_ATTR(temp37_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 36);
+static SENSOR_DEVICE_ATTR(temp38_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 37);
+static SENSOR_DEVICE_ATTR(temp39_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 38);
+static SENSOR_DEVICE_ATTR(temp40_label, S_IRUGO,
+					applesmc_show_sensor_label, NULL, 39);
 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO,
 					applesmc_show_temperature, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO,
@@ -1208,6 +1299,50 @@ static SENSOR_DEVICE_ATTR(temp39_input, S_IRUGO,
 static SENSOR_DEVICE_ATTR(temp40_input, S_IRUGO,
 					applesmc_show_temperature, NULL, 39);
 
+static struct attribute *label_attributes[] = {
+	&sensor_dev_attr_temp1_label.dev_attr.attr,
+	&sensor_dev_attr_temp2_label.dev_attr.attr,
+	&sensor_dev_attr_temp3_label.dev_attr.attr,
+	&sensor_dev_attr_temp4_label.dev_attr.attr,
+	&sensor_dev_attr_temp5_label.dev_attr.attr,
+	&sensor_dev_attr_temp6_label.dev_attr.attr,
+	&sensor_dev_attr_temp7_label.dev_attr.attr,
+	&sensor_dev_attr_temp8_label.dev_attr.attr,
+	&sensor_dev_attr_temp9_label.dev_attr.attr,
+	&sensor_dev_attr_temp10_label.dev_attr.attr,
+	&sensor_dev_attr_temp11_label.dev_attr.attr,
+	&sensor_dev_attr_temp12_label.dev_attr.attr,
+	&sensor_dev_attr_temp13_label.dev_attr.attr,
+	&sensor_dev_attr_temp14_label.dev_attr.attr,
+	&sensor_dev_attr_temp15_label.dev_attr.attr,
+	&sensor_dev_attr_temp16_label.dev_attr.attr,
+	&sensor_dev_attr_temp17_label.dev_attr.attr,
+	&sensor_dev_attr_temp18_label.dev_attr.attr,
+	&sensor_dev_attr_temp19_label.dev_attr.attr,
+	&sensor_dev_attr_temp20_label.dev_attr.attr,
+	&sensor_dev_attr_temp21_label.dev_attr.attr,
+	&sensor_dev_attr_temp22_label.dev_attr.attr,
+	&sensor_dev_attr_temp23_label.dev_attr.attr,
+	&sensor_dev_attr_temp24_label.dev_attr.attr,
+	&sensor_dev_attr_temp25_label.dev_attr.attr,
+	&sensor_dev_attr_temp26_label.dev_attr.attr,
+	&sensor_dev_attr_temp27_label.dev_attr.attr,
+	&sensor_dev_attr_temp28_label.dev_attr.attr,
+	&sensor_dev_attr_temp29_label.dev_attr.attr,
+	&sensor_dev_attr_temp30_label.dev_attr.attr,
+	&sensor_dev_attr_temp31_label.dev_attr.attr,
+	&sensor_dev_attr_temp32_label.dev_attr.attr,
+	&sensor_dev_attr_temp33_label.dev_attr.attr,
+	&sensor_dev_attr_temp34_label.dev_attr.attr,
+	&sensor_dev_attr_temp35_label.dev_attr.attr,
+	&sensor_dev_attr_temp36_label.dev_attr.attr,
+	&sensor_dev_attr_temp37_label.dev_attr.attr,
+	&sensor_dev_attr_temp38_label.dev_attr.attr,
+	&sensor_dev_attr_temp39_label.dev_attr.attr,
+	&sensor_dev_attr_temp40_label.dev_attr.attr,
+	NULL
+};
+
 static struct attribute *temperature_attributes[] = {
 	&sensor_dev_attr_temp1_input.dev_attr.attr,
 	&sensor_dev_attr_temp2_input.dev_attr.attr,
@@ -1255,6 +1390,10 @@ static struct attribute *temperature_attributes[] = {
 static const struct attribute_group temperature_attributes_group =
 	{ .attrs = temperature_attributes };
 
+static const struct attribute_group label_attributes_group = {
+	.attrs = label_attributes
+};
+
 /* Module stuff */
 
 /*
@@ -1556,7 +1695,8 @@ static int __init applesmc_init(void)
 	for (i = 0;
 	     temperature_sensors_sets[applesmc_temperature_set][i] != NULL;
 	     i++) {
-		if (temperature_attributes[i] == NULL) {
+		if (temperature_attributes[i] == NULL ||
+		    label_attributes[i] == NULL) {
 			printk(KERN_ERR "applesmc: More temperature sensors "
 				"in temperature_sensors_sets (at least %i)"
 				"than available sysfs files in "
@@ -1568,6 +1708,10 @@ static int __init applesmc_init(void)
 						temperature_attributes[i]);
 		if (ret)
 			goto out_temperature;
+		ret = sysfs_create_file(&pdev->dev.kobj,
+						label_attributes[i]);
+		if (ret)
+			goto out_temperature;
 	}
 
 	if (applesmc_accelerometer) {
@@ -1618,6 +1762,7 @@ out_accelerometer:
 	if (applesmc_accelerometer)
 		applesmc_release_accelerometer();
 out_temperature:
+	sysfs_remove_group(&pdev->dev.kobj, &label_attributes_group);
 	sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group);
 out_fans:
 	while (fans_handled)
@@ -1647,6 +1792,7 @@ static void __exit applesmc_exit(void)
 	}
 	if (applesmc_accelerometer)
 		applesmc_release_accelerometer();
+	sysfs_remove_group(&pdev->dev.kobj, &label_attributes_group);
 	sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group);
 	while (fans_handled)
 		sysfs_remove_group(&pdev->dev.kobj,

From dac6831e67e90d1cee430a66e7390e753c20d835 Mon Sep 17 00:00:00 2001
From: Kalhan Trisal <kalhan.trisal@intel.com>
Date: Thu, 27 May 2010 19:58:56 +0200
Subject: [PATCH 3495/3638] hwmon: EMC1403 thermal sensor support

Provides support for the EMC1403 thermal sensor. Only reporting of values
is supported. The various Moorestown specific extras to do with thermal
alerts and the like are not in this version of the driver.

Considerably edited and tidied up by Alan Cox, plus fixes and detection
bits from Jean Delvare.

Signed-off-by: Kalhan Trisal <kalhan.trisal@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/Kconfig   |  10 ++
 drivers/hwmon/Makefile  |   1 +
 drivers/hwmon/emc1403.c | 344 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 355 insertions(+)
 create mode 100644 drivers/hwmon/emc1403.c

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index fa609586c7c..6dddad81281 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -750,6 +750,16 @@ config SENSORS_DME1737
 	  This driver can also be built as a module.  If so, the module
 	  will be called dme1737.
 
+config SENSORS_EMC1403
+	tristate "SMSC EMC1403 thermal sensor"
+	depends on I2C
+	help
+	  If you say yes here you get support for the SMSC EMC1403
+	  temperature monitoring chip.
+
+	  Threshold values can be configured using sysfs.
+	  Data from the different diodes are accessible via sysfs.
+
 config SENSORS_SMSC47M1
 	tristate "SMSC LPC47M10x and compatibles"
 	help
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 86920fb3411..9b1364a4bd8 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_SENSORS_ATXP1)	+= atxp1.o
 obj-$(CONFIG_SENSORS_CORETEMP)	+= coretemp.o
 obj-$(CONFIG_SENSORS_DME1737)	+= dme1737.o
 obj-$(CONFIG_SENSORS_DS1621)	+= ds1621.o
+obj-$(CONFIG_SENSORS_EMC1403)	+= emc1403.o
 obj-$(CONFIG_SENSORS_F71805F)	+= f71805f.o
 obj-$(CONFIG_SENSORS_F71882FG)	+= f71882fg.o
 obj-$(CONFIG_SENSORS_F75375S)	+= f75375s.o
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
new file mode 100644
index 00000000000..0e4b5642638
--- /dev/null
+++ b/drivers/hwmon/emc1403.c
@@ -0,0 +1,344 @@
+/*
+ * emc1403.c - SMSC Thermal Driver
+ *
+ * Copyright (C) 2008 Intel Corp
+ *
+ *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * TODO
+ *	-	cache alarm and critical limit registers
+ *	-	add emc1404 support
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/sysfs.h>
+#include <linux/mutex.h>
+
+#define THERMAL_PID_REG		0xfd
+#define THERMAL_SMSC_ID_REG	0xfe
+#define THERMAL_REVISION_REG	0xff
+
+struct thermal_data {
+	struct device *hwmon_dev;
+	struct mutex mutex;
+	/* Cache the hyst value so we don't keep re-reading it. In theory
+	   we could cache it forever as nobody else should be writing it. */
+	u8 cached_hyst;
+	unsigned long hyst_valid;
+};
+
+static ssize_t show_temp(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
+	int retval = i2c_smbus_read_byte_data(client, sda->index);
+
+	if (retval < 0)
+		return retval;
+	return sprintf(buf, "%d000\n", retval);
+}
+
+static ssize_t show_bit(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
+	int retval = i2c_smbus_read_byte_data(client, sda->nr);
+
+	if (retval < 0)
+		return retval;
+	retval &= sda->index;
+	return sprintf(buf, "%d\n", retval ? 1 : 0);
+}
+
+static ssize_t store_temp(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
+	struct i2c_client *client = to_i2c_client(dev);
+	unsigned long val;
+	int retval;
+
+	if (strict_strtoul(buf, 10, &val))
+		return -EINVAL;
+	retval = i2c_smbus_write_byte_data(client, sda->index,
+					DIV_ROUND_CLOSEST(val, 1000));
+	if (retval < 0)
+		return retval;
+	return count;
+}
+
+static ssize_t show_hyst(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct thermal_data *data = i2c_get_clientdata(client);
+	struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
+	int retval;
+	int hyst;
+
+	retval = i2c_smbus_read_byte_data(client, sda->index);
+	if (retval < 0)
+		return retval;
+
+	if (time_after(jiffies, data->hyst_valid)) {
+		hyst = i2c_smbus_read_byte_data(client, 0x21);
+		if (hyst < 0)
+			return retval;
+		data->cached_hyst = hyst;
+		data->hyst_valid = jiffies + HZ;
+	}
+	return sprintf(buf, "%d000\n", retval - data->cached_hyst);
+}
+
+static ssize_t store_hyst(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct thermal_data *data = i2c_get_clientdata(client);
+	struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
+	int retval;
+	int hyst;
+	unsigned long val;
+
+	if (strict_strtoul(buf, 10, &val))
+		return -EINVAL;
+
+	mutex_lock(&data->mutex);
+	retval = i2c_smbus_read_byte_data(client, sda->index);
+	if (retval < 0)
+		goto fail;
+
+	hyst = val - retval * 1000;
+	hyst = DIV_ROUND_CLOSEST(hyst, 1000);
+	if (hyst < 0 || hyst > 255) {
+		retval = -ERANGE;
+		goto fail;
+	}
+
+	retval = i2c_smbus_write_byte_data(client, 0x21, hyst);
+	if (retval == 0) {
+		retval = count;
+		data->cached_hyst = hyst;
+		data->hyst_valid = jiffies + HZ;
+	}
+fail:
+	mutex_unlock(&data->mutex);
+	return retval;
+}
+
+/*
+ *	Sensors. We pass the actual i2c register to the methods.
+ */
+
+static SENSOR_DEVICE_ATTR(temp1_min, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x06);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x05);
+static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x20);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0x00);
+static SENSOR_DEVICE_ATTR_2(temp1_min_alarm, S_IRUGO,
+	show_bit, NULL, 0x36, 0x01);
+static SENSOR_DEVICE_ATTR_2(temp1_max_alarm, S_IRUGO,
+	show_bit, NULL, 0x35, 0x01);
+static SENSOR_DEVICE_ATTR_2(temp1_crit_alarm, S_IRUGO,
+	show_bit, NULL, 0x37, 0x01);
+static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO | S_IWUSR,
+	show_hyst, store_hyst, 0x20);
+
+static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x08);
+static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x07);
+static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x19);
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0x01);
+static SENSOR_DEVICE_ATTR_2(temp2_min_alarm, S_IRUGO,
+	show_bit, NULL, 0x36, 0x02);
+static SENSOR_DEVICE_ATTR_2(temp2_max_alarm, S_IRUGO,
+	show_bit, NULL, 0x35, 0x02);
+static SENSOR_DEVICE_ATTR_2(temp2_crit_alarm, S_IRUGO,
+	show_bit, NULL, 0x37, 0x02);
+static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO | S_IWUSR,
+	show_hyst, store_hyst, 0x19);
+
+static SENSOR_DEVICE_ATTR(temp3_min, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x16);
+static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x15);
+static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO | S_IWUSR,
+	show_temp, store_temp, 0x1A);
+static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 0x23);
+static SENSOR_DEVICE_ATTR_2(temp3_min_alarm, S_IRUGO,
+	show_bit, NULL, 0x36, 0x04);
+static SENSOR_DEVICE_ATTR_2(temp3_max_alarm, S_IRUGO,
+	show_bit, NULL, 0x35, 0x04);
+static SENSOR_DEVICE_ATTR_2(temp3_crit_alarm, S_IRUGO,
+	show_bit, NULL, 0x37, 0x04);
+static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO | S_IWUSR,
+	show_hyst, store_hyst, 0x1A);
+
+static struct attribute *mid_att_thermal[] = {
+	&sensor_dev_attr_temp1_min.dev_attr.attr,
+	&sensor_dev_attr_temp1_max.dev_attr.attr,
+	&sensor_dev_attr_temp1_crit.dev_attr.attr,
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	&sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
+	&sensor_dev_attr_temp2_min.dev_attr.attr,
+	&sensor_dev_attr_temp2_max.dev_attr.attr,
+	&sensor_dev_attr_temp2_crit.dev_attr.attr,
+	&sensor_dev_attr_temp2_input.dev_attr.attr,
+	&sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp2_crit_hyst.dev_attr.attr,
+	&sensor_dev_attr_temp3_min.dev_attr.attr,
+	&sensor_dev_attr_temp3_max.dev_attr.attr,
+	&sensor_dev_attr_temp3_crit.dev_attr.attr,
+	&sensor_dev_attr_temp3_input.dev_attr.attr,
+	&sensor_dev_attr_temp3_min_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp3_max_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp3_crit_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp3_crit_hyst.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group m_thermal_gr = {
+	.attrs = mid_att_thermal
+};
+
+static int emc1403_detect(struct i2c_client *client,
+			struct i2c_board_info *info)
+{
+	int id;
+	/* Check if thermal chip is SMSC and EMC1403 */
+
+	id = i2c_smbus_read_byte_data(client, THERMAL_SMSC_ID_REG);
+	if (id != 0x5d)
+		return -ENODEV;
+
+	/* Note: 0x25 is the 1404 which is very similar and this
+	   driver could be extended */
+	id = i2c_smbus_read_byte_data(client, THERMAL_PID_REG);
+	if (id != 0x21)
+		return -ENODEV;
+
+	id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG);
+	if (id != 0x01)
+		return -ENODEV;
+
+	strlcpy(info->type, "emc1403", I2C_NAME_SIZE);
+	return 0;
+}
+
+static int emc1403_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
+{
+	int res;
+	struct thermal_data *data;
+
+	data = kzalloc(sizeof(struct thermal_data), GFP_KERNEL);
+	if (data == NULL) {
+		dev_warn(&client->dev, "out of memory");
+		return -ENOMEM;
+	}
+
+	i2c_set_clientdata(client, data);
+	mutex_init(&data->mutex);
+	data->hyst_valid = jiffies - 1;		/* Expired */
+
+	res = sysfs_create_group(&client->dev.kobj, &m_thermal_gr);
+	if (res) {
+		dev_warn(&client->dev, "create group failed\n");
+		hwmon_device_unregister(data->hwmon_dev);
+		goto thermal_error1;
+	}
+	data->hwmon_dev = hwmon_device_register(&client->dev);
+	if (IS_ERR(data->hwmon_dev)) {
+		res = PTR_ERR(data->hwmon_dev);
+		dev_warn(&client->dev, "register hwmon dev failed\n");
+		goto thermal_error2;
+	}
+	dev_info(&client->dev, "EMC1403 Thermal chip found\n");
+	return res;
+
+thermal_error2:
+	sysfs_remove_group(&client->dev.kobj, &m_thermal_gr);
+thermal_error1:
+	kfree(data);
+	return res;
+}
+
+static int emc1403_remove(struct i2c_client *client)
+{
+	struct thermal_data *data = i2c_get_clientdata(client);
+
+	hwmon_device_unregister(data->hwmon_dev);
+	sysfs_remove_group(&client->dev.kobj, &m_thermal_gr);
+	kfree(data);
+	return 0;
+}
+
+static const unsigned short emc1403_address_list[] = {
+	0x18, 0x2a, 0x4c, 0x4d, I2C_CLIENT_END
+};
+
+static const struct i2c_device_id emc1403_idtable[] = {
+	{ "emc1403", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, emc1403_idtable);
+
+static struct i2c_driver sensor_emc1403 = {
+	.class = I2C_CLASS_HWMON,
+	.driver = {
+		.name = "emc1403",
+	},
+	.detect = emc1403_detect,
+	.probe = emc1403_probe,
+	.remove = emc1403_remove,
+	.id_table = emc1403_idtable,
+	.address_list = emc1403_address_list,
+};
+
+static int __init sensor_emc1403_init(void)
+{
+	return i2c_add_driver(&sensor_emc1403);
+}
+
+static void  __exit sensor_emc1403_exit(void)
+{
+	i2c_del_driver(&sensor_emc1403);
+}
+
+module_init(sensor_emc1403_init);
+module_exit(sensor_emc1403_exit);
+
+MODULE_AUTHOR("Kalhan Trisal <kalhan.trisal@intel.com");
+MODULE_DESCRIPTION("emc1403 Thermal Driver");
+MODULE_LICENSE("GPL v2");

From beb1b6bbf2b448b97b9611200eb4b5a555336c60 Mon Sep 17 00:00:00 2001
From: Steven King <sfking@fdwdc.com>
Date: Thu, 27 May 2010 19:58:56 +0200
Subject: [PATCH 3496/3638] hwmon: Driver for TI TMP102 temperature sensor

Driver for the TI TMP102.

The TI TMP102 is similar to the LM75.  It differs from the LM75 by
having a 16-bit conf register and the temp registers have a minimum
resolution of 12 bits; the extended conf register can select 13-bit
resolution (which this driver does) and also change the update rate
(which this driver currently doesn't use).

[JD: Fix tmp102_exit tag, must be __exit, not __init.]

Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/tmp102 |  27 ++++
 drivers/hwmon/Kconfig      |  10 ++
 drivers/hwmon/Makefile     |   1 +
 drivers/hwmon/tmp102.c     | 297 +++++++++++++++++++++++++++++++++++++
 4 files changed, 335 insertions(+)
 create mode 100644 Documentation/hwmon/tmp102
 create mode 100644 drivers/hwmon/tmp102.c

diff --git a/Documentation/hwmon/tmp102 b/Documentation/hwmon/tmp102
new file mode 100644
index 00000000000..239dded8539
--- /dev/null
+++ b/Documentation/hwmon/tmp102
@@ -0,0 +1,27 @@
+Kernel driver tmp102
+====================
+
+Supported chips:
+  * Texas Instruments TMP102
+    Prefix: 'tmp102'
+    Addresses scanned: I2C 0x48 0x49 0x4a 0x4b
+    Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp102.html
+
+Author:
+	Steven King <sfking@fdwdc.com>
+
+Description
+-----------
+
+The Texas Instruments TMP102 implements one temperature sensor.  Limits can be
+set through the Overtemperature Shutdown register and Hysteresis register.  The
+sensor is accurate to 0.5 degrees over the range of -25 to +85 C, and to 1.0
+degrees from -40 to +125 C. Resolution of the sensor is 0.0625 degree.  The
+operating temperature has a minimum of -55 C and a maximum of +150 C.
+
+The TMP102 has a programmable update rate that can select between 8, 4, 1, and
+0.5 Hz. (Currently the driver only supports the default of 4 Hz).
+
+The driver provides the common sysfs-interface for temperatures (see
+/Documentation/hwmon/sysfs-interface under Temperatures).
+
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 6dddad81281..6d87892a663 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -842,6 +842,16 @@ config SENSORS_THMC50
 	  This driver can also be built as a module.  If so, the module
 	  will be called thmc50.
 
+config SENSORS_TMP102
+	tristate "Texas Instruments TMP102 and compatibles"
+	depends on I2C && EXPERIMENTAL
+	help
+	  If you say yes here you get support for Texas Instruments TMP102
+	  sensor chips.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called tmp102.
+
 config SENSORS_TMP401
 	tristate "Texas Instruments TMP401 and compatibles"
 	depends on I2C && EXPERIMENTAL
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 9b1364a4bd8..2138ceb1a71 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -91,6 +91,7 @@ obj-$(CONFIG_SENSORS_SMSC47M1)	+= smsc47m1.o
 obj-$(CONFIG_SENSORS_SMSC47M192)+= smsc47m192.o
 obj-$(CONFIG_SENSORS_AMC6821)	+= amc6821.o
 obj-$(CONFIG_SENSORS_THMC50)	+= thmc50.o
+obj-$(CONFIG_SENSORS_TMP102)	+= tmp102.o
 obj-$(CONFIG_SENSORS_TMP401)	+= tmp401.o
 obj-$(CONFIG_SENSORS_TMP421)	+= tmp421.o
 obj-$(CONFIG_SENSORS_VIA_CPUTEMP)+= via-cputemp.o
diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
new file mode 100644
index 00000000000..e4def62c0eb
--- /dev/null
+++ b/drivers/hwmon/tmp102.c
@@ -0,0 +1,297 @@
+/* Texas Instruments TMP102 SMBUS temperature sensor driver
+ *
+ * Copyright 2010 Steven King <sfking@fdwdc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+
+#define	DRIVER_NAME "tmp102"
+
+#define	TMP102_TEMP_REG			0x00
+#define	TMP102_CONF_REG			0x01
+/* note: these bit definitions are byte swapped */
+#define		TMP102_CONF_SD		0x0100
+#define		TMP102_CONF_TM		0x0200
+#define		TMP102_CONF_POL		0x0400
+#define		TMP102_CONF_F0		0x0800
+#define		TMP102_CONF_F1		0x1000
+#define		TMP102_CONF_R0		0x2000
+#define		TMP102_CONF_R1		0x4000
+#define		TMP102_CONF_OS		0x8000
+#define		TMP102_CONF_EM		0x0010
+#define		TMP102_CONF_AL		0x0020
+#define		TMP102_CONF_CR0		0x0040
+#define		TMP102_CONF_CR1		0x0080
+#define	TMP102_TLOW_REG			0x02
+#define	TMP102_THIGH_REG		0x03
+
+struct tmp102 {
+	struct device *hwmon_dev;
+	struct mutex lock;
+	unsigned long last_update;
+	int temp[3];
+};
+
+/* the TMP102 registers are big endian so we have to swab16 the values */
+static int tmp102_read_reg(struct i2c_client *client, u8 reg)
+{
+	int result = i2c_smbus_read_word_data(client, reg);
+	return result < 0 ? result : swab16(result);
+}
+
+static int tmp102_write_reg(struct i2c_client *client, u8 reg, u16 val)
+{
+	return i2c_smbus_write_word_data(client, reg, swab16(val));
+}
+
+/* convert left adjusted 13bit TMP102 register value to miliCelsius */
+static int tmp102_reg_to_mC(s16 val)
+{
+	return (val * 1000) / 128;
+}
+
+/* convert miliCelsius to left adjusted 13bit TMP102 register value */
+static u16 tmp102_mC_to_reg(int val)
+{
+	return (val * 128) / 1000;
+}
+
+static const u8 tmp102_reg[] = {
+	TMP102_TEMP_REG,
+	TMP102_TLOW_REG,
+	TMP102_THIGH_REG,
+};
+
+static struct tmp102 *tmp102_update_device(struct i2c_client *client)
+{
+	struct tmp102 *tmp102 = i2c_get_clientdata(client);
+
+	mutex_lock(&tmp102->lock);
+	if (time_after(jiffies, tmp102->last_update + HZ / 4)) {
+		int i;
+		for (i = 0; i < ARRAY_SIZE(tmp102->temp); ++i) {
+			int status = tmp102_read_reg(client, tmp102_reg[i]);
+			if (status > -1)
+				tmp102->temp[i] = tmp102_reg_to_mC(status);
+		}
+		tmp102->last_update = jiffies;
+	}
+	mutex_unlock(&tmp102->lock);
+	return tmp102;
+}
+
+static ssize_t tmp102_show_temp(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
+{
+	struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
+	struct tmp102 *tmp102 = tmp102_update_device(to_i2c_client(dev));
+
+	return sprintf(buf, "%d\n", tmp102->temp[sda->index]);
+}
+
+static ssize_t tmp102_set_temp(struct device *dev,
+			       struct device_attribute *attr,
+			       const char *buf, size_t count)
+{
+	struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
+	struct i2c_client *client = to_i2c_client(dev);
+	struct tmp102 *tmp102 = i2c_get_clientdata(client);
+	long val;
+	int status = 0;
+
+	if ((strict_strtol(buf, 10, &val) < 0) || (abs(val) > 150000))
+		return -EINVAL;
+	mutex_lock(&tmp102->lock);
+	if (tmp102->temp[sda->index] != val) {
+		tmp102->temp[sda->index] = val;
+		status = tmp102_write_reg(client, tmp102_reg[sda->index],
+					  tmp102_mC_to_reg(val));
+	}
+	mutex_unlock(&tmp102->lock);
+	return status ? : count;
+}
+
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, tmp102_show_temp, NULL , 0);
+
+static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, tmp102_show_temp,
+			  tmp102_set_temp, 1);
+
+static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, tmp102_show_temp,
+			  tmp102_set_temp, 2);
+
+static struct attribute *tmp102_attributes[] = {
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	&sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
+	&sensor_dev_attr_temp1_max.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group tmp102_attr_group = {
+	.attrs = tmp102_attributes,
+};
+
+#define TMP102_CONFIG  (TMP102_CONF_TM | TMP102_CONF_EM | TMP102_CONF_CR1)
+#define TMP102_CONFIG_RD_ONLY (TMP102_CONF_R0 | TMP102_CONF_R1 | TMP102_CONF_AL)
+
+static int __devinit tmp102_probe(struct i2c_client *client,
+				  const struct i2c_device_id *id)
+{
+	struct tmp102 *tmp102;
+	int status;
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
+				     I2C_FUNC_SMBUS_WORD_DATA)) {
+		dev_dbg(&client->dev, "adapter doesnt support SMBUS\n");
+		return -ENODEV;
+	}
+
+	tmp102 = kzalloc(sizeof(*tmp102), GFP_KERNEL);
+	if (!tmp102) {
+		dev_dbg(&client->dev, "kzalloc failed\n");
+		return -ENOMEM;
+	}
+	i2c_set_clientdata(client, tmp102);
+
+	tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG);
+	status = tmp102_read_reg(client, TMP102_CONF_REG);
+	if (status < 0) {
+		dev_dbg(&client->dev, "error reading config register\n");
+		goto fail0;
+	}
+	status &= ~TMP102_CONFIG_RD_ONLY;
+	if (status != TMP102_CONFIG) {
+		dev_dbg(&client->dev, "could not verify config settings\n");
+		status = -EIO;
+		goto fail0;
+	}
+	tmp102->last_update = jiffies - HZ;
+	mutex_init(&tmp102->lock);
+
+	status = sysfs_create_group(&client->dev.kobj, &tmp102_attr_group);
+	if (status) {
+		dev_dbg(&client->dev, "could not create sysfs files\n");
+		goto fail0;
+	}
+	tmp102->hwmon_dev = hwmon_device_register(&client->dev);
+	if (IS_ERR(tmp102->hwmon_dev)) {
+		dev_dbg(&client->dev, "unable to register hwmon device\n");
+		status = PTR_ERR(tmp102->hwmon_dev);
+		goto fail1;
+	}
+
+	dev_info(&client->dev, "initialized\n");
+
+	return 0;
+fail1:
+	sysfs_remove_group(&client->dev.kobj, &tmp102_attr_group);
+fail0:
+	i2c_set_clientdata(client, NULL);
+	kfree(tmp102);
+
+	return 0;
+}
+
+static int __devexit tmp102_remove(struct i2c_client *client)
+{
+	struct tmp102 *tmp102 = i2c_get_clientdata(client);
+
+	/* shutdown the chip */
+	tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONF_SD);
+
+	hwmon_device_unregister(tmp102->hwmon_dev);
+	sysfs_remove_group(&client->dev.kobj, &tmp102_attr_group);
+	i2c_set_clientdata(client, NULL);
+	kfree(tmp102);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int tmp102_suspend(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+
+	tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONF_SD);
+
+	return 0;
+}
+
+static int tmp102_resume(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+
+	tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG);
+
+	return 0;
+}
+
+static const struct dev_pm_ops tmp102_dev_pm_ops = {
+	.suspend	= tmp102_suspend,
+	.resume		= tmp102_resume,
+};
+
+#define TMP102_DEV_PM_OPS (&tmp102_dev_pm_ops)
+#else
+#define	TMP102_DEV_PM_OPS NULL
+#endif /* CONFIG_PM */
+
+static const unsigned short normal_i2c[] = {
+	0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END
+};
+
+static const struct i2c_device_id tmp102_id[] = {
+	{ DRIVER_NAME, 0 },
+	{ }
+};
+
+static struct i2c_driver tmp102_driver = {
+	.driver.name	= DRIVER_NAME,
+	.driver.pm	= TMP102_DEV_PM_OPS,
+	.class		= I2C_CLASS_HWMON,
+	.probe		= tmp102_probe,
+	.remove		= __devexit_p(tmp102_remove),
+	.id_table	= tmp102_id,
+	.address_list	= normal_i2c,
+};
+
+static int __init tmp102_init(void)
+{
+	return i2c_add_driver(&tmp102_driver);
+}
+module_init(tmp102_init);
+
+static void __exit tmp102_exit(void)
+{
+	i2c_del_driver(&tmp102_driver);
+}
+module_exit(tmp102_exit);
+
+
+MODULE_AUTHOR("Steven King <sfking@fdwdc.com>");
+MODULE_DESCRIPTION("Texas Instruments TMP102 temperature sensor driver");
+MODULE_LICENSE("GPL");

From cff37c9e82e022068840b3d33167e64c6a0ecc06 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Thu, 27 May 2010 19:58:57 +0200
Subject: [PATCH 3497/3638] hwmon: (tmp102) Various fixes

Fixes from my driver review:
http://lists.lm-sensors.org/pipermail/lm-sensors/2010-March/028051.html

Only the small changes are in there, more important changes will come
later separately as time permits.

* Drop the remnants of the now gone detect function
* The TMP102 has no known compatible chip
* Include the right header files
* Clarify why byte swapping of register values is needed
* Strip resolution info bit from temperature register value
* Set cache lifetime to 1/3 second
* Don't arbitrarily reject limit values; clamp as needed
* Make limit writing unconditional
* Don't check for transaction types the driver doesn't use
* Properly check for error when setting configuration
* Report error on failed probe
* Make the driver load automatically where needed
* Various other minor fixes

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Steven King <sfking@fdwdc.com>
---
 Documentation/hwmon/tmp102 |  9 +++--
 drivers/hwmon/Kconfig      |  2 +-
 drivers/hwmon/tmp102.c     | 70 ++++++++++++++++++--------------------
 3 files changed, 39 insertions(+), 42 deletions(-)

diff --git a/Documentation/hwmon/tmp102 b/Documentation/hwmon/tmp102
index 239dded8539..8454a776312 100644
--- a/Documentation/hwmon/tmp102
+++ b/Documentation/hwmon/tmp102
@@ -4,7 +4,7 @@ Kernel driver tmp102
 Supported chips:
   * Texas Instruments TMP102
     Prefix: 'tmp102'
-    Addresses scanned: I2C 0x48 0x49 0x4a 0x4b
+    Addresses scanned: none
     Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp102.html
 
 Author:
@@ -15,13 +15,12 @@ Description
 
 The Texas Instruments TMP102 implements one temperature sensor.  Limits can be
 set through the Overtemperature Shutdown register and Hysteresis register.  The
-sensor is accurate to 0.5 degrees over the range of -25 to +85 C, and to 1.0
-degrees from -40 to +125 C. Resolution of the sensor is 0.0625 degree.  The
+sensor is accurate to 0.5 degree over the range of -25 to +85 C, and to 1.0
+degree from -40 to +125 C. Resolution of the sensor is 0.0625 degree.  The
 operating temperature has a minimum of -55 C and a maximum of +150 C.
 
 The TMP102 has a programmable update rate that can select between 8, 4, 1, and
 0.5 Hz. (Currently the driver only supports the default of 4 Hz).
 
 The driver provides the common sysfs-interface for temperatures (see
-/Documentation/hwmon/sysfs-interface under Temperatures).
-
+Documentation/hwmon/sysfs-interface under Temperatures).
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 6d87892a663..de22ae41f75 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -843,7 +843,7 @@ config SENSORS_THMC50
 	  will be called thmc50.
 
 config SENSORS_TMP102
-	tristate "Texas Instruments TMP102 and compatibles"
+	tristate "Texas Instruments TMP102"
 	depends on I2C && EXPERIMENTAL
 	help
 	  If you say yes here you get support for Texas Instruments TMP102
diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index e4def62c0eb..e9de28df0e4 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -1,6 +1,6 @@
-/* Texas Instruments TMP102 SMBUS temperature sensor driver
+/* Texas Instruments TMP102 SMBus temperature sensor driver
  *
- * Copyright 2010 Steven King <sfking@fdwdc.com>
+ * Copyright (C) 2010 Steven King <sfking@fdwdc.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -17,8 +17,6 @@
  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -27,7 +25,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
-#include <linux/delay.h>
+#include <linux/device.h>
 
 #define	DRIVER_NAME "tmp102"
 
@@ -56,26 +54,27 @@ struct tmp102 {
 	int temp[3];
 };
 
-/* the TMP102 registers are big endian so we have to swab16 the values */
-static int tmp102_read_reg(struct i2c_client *client, u8 reg)
+/* SMBus specifies low byte first, but the TMP102 returns high byte first,
+ * so we have to swab16 the values */
+static inline int tmp102_read_reg(struct i2c_client *client, u8 reg)
 {
 	int result = i2c_smbus_read_word_data(client, reg);
 	return result < 0 ? result : swab16(result);
 }
 
-static int tmp102_write_reg(struct i2c_client *client, u8 reg, u16 val)
+static inline int tmp102_write_reg(struct i2c_client *client, u8 reg, u16 val)
 {
 	return i2c_smbus_write_word_data(client, reg, swab16(val));
 }
 
-/* convert left adjusted 13bit TMP102 register value to miliCelsius */
-static int tmp102_reg_to_mC(s16 val)
+/* convert left adjusted 13-bit TMP102 register value to milliCelsius */
+static inline int tmp102_reg_to_mC(s16 val)
 {
-	return (val * 1000) / 128;
+	return ((val & ~0x01) * 1000) / 128;
 }
 
-/* convert miliCelsius to left adjusted 13bit TMP102 register value */
-static u16 tmp102_mC_to_reg(int val)
+/* convert milliCelsius to left adjusted 13-bit TMP102 register value */
+static inline u16 tmp102_mC_to_reg(int val)
 {
 	return (val * 128) / 1000;
 }
@@ -91,7 +90,7 @@ static struct tmp102 *tmp102_update_device(struct i2c_client *client)
 	struct tmp102 *tmp102 = i2c_get_clientdata(client);
 
 	mutex_lock(&tmp102->lock);
-	if (time_after(jiffies, tmp102->last_update + HZ / 4)) {
+	if (time_after(jiffies, tmp102->last_update + HZ / 3)) {
 		int i;
 		for (i = 0; i < ARRAY_SIZE(tmp102->temp); ++i) {
 			int status = tmp102_read_reg(client, tmp102_reg[i]);
@@ -122,16 +121,16 @@ static ssize_t tmp102_set_temp(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct tmp102 *tmp102 = i2c_get_clientdata(client);
 	long val;
-	int status = 0;
+	int status;
 
-	if ((strict_strtol(buf, 10, &val) < 0) || (abs(val) > 150000))
+	if (strict_strtol(buf, 10, &val) < 0)
 		return -EINVAL;
+	val = SENSORS_LIMIT(val, -256000, 255000);
+
 	mutex_lock(&tmp102->lock);
-	if (tmp102->temp[sda->index] != val) {
-		tmp102->temp[sda->index] = val;
-		status = tmp102_write_reg(client, tmp102_reg[sda->index],
-					  tmp102_mC_to_reg(val));
-	}
+	tmp102->temp[sda->index] = val;
+	status = tmp102_write_reg(client, tmp102_reg[sda->index],
+				  tmp102_mC_to_reg(val));
 	mutex_unlock(&tmp102->lock);
 	return status ? : count;
 }
@@ -164,9 +163,10 @@ static int __devinit tmp102_probe(struct i2c_client *client,
 	struct tmp102 *tmp102;
 	int status;
 
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
+	if (!i2c_check_functionality(client->adapter,
 				     I2C_FUNC_SMBUS_WORD_DATA)) {
-		dev_dbg(&client->dev, "adapter doesnt support SMBUS\n");
+		dev_err(&client->dev, "adapter doesnt support SMBus word "
+			"transactions\n");
 		return -ENODEV;
 	}
 
@@ -177,16 +177,20 @@ static int __devinit tmp102_probe(struct i2c_client *client,
 	}
 	i2c_set_clientdata(client, tmp102);
 
-	tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG);
+	status = tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG);
+	if (status < 0) {
+		dev_err(&client->dev, "error writing config register\n");
+		goto fail0;
+	}
 	status = tmp102_read_reg(client, TMP102_CONF_REG);
 	if (status < 0) {
-		dev_dbg(&client->dev, "error reading config register\n");
+		dev_err(&client->dev, "error reading config register\n");
 		goto fail0;
 	}
 	status &= ~TMP102_CONFIG_RD_ONLY;
 	if (status != TMP102_CONFIG) {
-		dev_dbg(&client->dev, "could not verify config settings\n");
-		status = -EIO;
+		dev_err(&client->dev, "config settings did not stick\n");
+		status = -ENODEV;
 		goto fail0;
 	}
 	tmp102->last_update = jiffies - HZ;
@@ -213,7 +217,7 @@ fail0:
 	i2c_set_clientdata(client, NULL);
 	kfree(tmp102);
 
-	return 0;
+	return status;
 }
 
 static int __devexit tmp102_remove(struct i2c_client *client)
@@ -260,23 +264,18 @@ static const struct dev_pm_ops tmp102_dev_pm_ops = {
 #define	TMP102_DEV_PM_OPS NULL
 #endif /* CONFIG_PM */
 
-static const unsigned short normal_i2c[] = {
-	0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END
-};
-
 static const struct i2c_device_id tmp102_id[] = {
-	{ DRIVER_NAME, 0 },
+	{ "tmp102", 0 },
 	{ }
 };
+MODULE_DEVICE_TABLE(i2c, tmp102_id);
 
 static struct i2c_driver tmp102_driver = {
 	.driver.name	= DRIVER_NAME,
 	.driver.pm	= TMP102_DEV_PM_OPS,
-	.class		= I2C_CLASS_HWMON,
 	.probe		= tmp102_probe,
 	.remove		= __devexit_p(tmp102_remove),
 	.id_table	= tmp102_id,
-	.address_list	= normal_i2c,
 };
 
 static int __init tmp102_init(void)
@@ -291,7 +290,6 @@ static void __exit tmp102_exit(void)
 }
 module_exit(tmp102_exit);
 
-
 MODULE_AUTHOR("Steven King <sfking@fdwdc.com>");
 MODULE_DESCRIPTION("Texas Instruments TMP102 temperature sensor driver");
 MODULE_LICENSE("GPL");

From 8d4dee98b10050db9c32a449e460a2f69bb558ec Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Thu, 27 May 2010 19:58:58 +0200
Subject: [PATCH 3498/3638] hwmon: (tmp102) Fix suspend and resume functions

Suspend and resume functions shouldn't overwrite the configuration
register. They should only alter the one bit they have to touch.

Also don't assume that register reads and writes always succeed.
Handle errors properly, shall they happen.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Steven King <sfking@fdwdc.com>
---
 drivers/hwmon/tmp102.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index e9de28df0e4..0da695d800c 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -239,19 +239,27 @@ static int __devexit tmp102_remove(struct i2c_client *client)
 static int tmp102_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
+	int config;
 
-	tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONF_SD);
+	config = tmp102_read_reg(client, TMP102_CONF_REG);
+	if (config < 0)
+		return config;
 
-	return 0;
+	config |= TMP102_CONF_SD;
+	return tmp102_write_reg(client, TMP102_CONF_REG, config);
 }
 
 static int tmp102_resume(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
+	int config;
 
-	tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG);
+	config = tmp102_read_reg(client, TMP102_CONF_REG);
+	if (config < 0)
+		return config;
 
-	return 0;
+	config &= ~TMP102_CONF_SD;
+	return tmp102_write_reg(client, TMP102_CONF_REG, config);
 }
 
 static const struct dev_pm_ops tmp102_dev_pm_ops = {

From 38806bda6b7c8473c47a967a514260c1a1c32c2e Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Thu, 27 May 2010 19:58:59 +0200
Subject: [PATCH 3499/3638] hwmon: (tmp102) Don't always stop chip at exit

Only stop the chip at driver exit if it was stopped when driver was
loaded. Leave it running otherwise.

Also restore the device configuration if probe failed, to not leave
the system in a dangling state.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Steven King <sfking@fdwdc.com>
---
 drivers/hwmon/tmp102.c | 38 ++++++++++++++++++++++++++++----------
 1 file changed, 28 insertions(+), 10 deletions(-)

diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index 0da695d800c..8013895a1fa 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -50,6 +50,7 @@
 struct tmp102 {
 	struct device *hwmon_dev;
 	struct mutex lock;
+	u16 config_orig;
 	unsigned long last_update;
 	int temp[3];
 };
@@ -177,21 +178,27 @@ static int __devinit tmp102_probe(struct i2c_client *client,
 	}
 	i2c_set_clientdata(client, tmp102);
 
+	status = tmp102_read_reg(client, TMP102_CONF_REG);
+	if (status < 0) {
+		dev_err(&client->dev, "error reading config register\n");
+		goto fail_free;
+	}
+	tmp102->config_orig = status;
 	status = tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG);
 	if (status < 0) {
 		dev_err(&client->dev, "error writing config register\n");
-		goto fail0;
+		goto fail_restore_config;
 	}
 	status = tmp102_read_reg(client, TMP102_CONF_REG);
 	if (status < 0) {
 		dev_err(&client->dev, "error reading config register\n");
-		goto fail0;
+		goto fail_restore_config;
 	}
 	status &= ~TMP102_CONFIG_RD_ONLY;
 	if (status != TMP102_CONFIG) {
 		dev_err(&client->dev, "config settings did not stick\n");
 		status = -ENODEV;
-		goto fail0;
+		goto fail_restore_config;
 	}
 	tmp102->last_update = jiffies - HZ;
 	mutex_init(&tmp102->lock);
@@ -199,21 +206,24 @@ static int __devinit tmp102_probe(struct i2c_client *client,
 	status = sysfs_create_group(&client->dev.kobj, &tmp102_attr_group);
 	if (status) {
 		dev_dbg(&client->dev, "could not create sysfs files\n");
-		goto fail0;
+		goto fail_restore_config;
 	}
 	tmp102->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(tmp102->hwmon_dev)) {
 		dev_dbg(&client->dev, "unable to register hwmon device\n");
 		status = PTR_ERR(tmp102->hwmon_dev);
-		goto fail1;
+		goto fail_remove_sysfs;
 	}
 
 	dev_info(&client->dev, "initialized\n");
 
 	return 0;
-fail1:
+
+fail_remove_sysfs:
 	sysfs_remove_group(&client->dev.kobj, &tmp102_attr_group);
-fail0:
+fail_restore_config:
+	tmp102_write_reg(client, TMP102_CONF_REG, tmp102->config_orig);
+fail_free:
 	i2c_set_clientdata(client, NULL);
 	kfree(tmp102);
 
@@ -224,11 +234,19 @@ static int __devexit tmp102_remove(struct i2c_client *client)
 {
 	struct tmp102 *tmp102 = i2c_get_clientdata(client);
 
-	/* shutdown the chip */
-	tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONF_SD);
-
 	hwmon_device_unregister(tmp102->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &tmp102_attr_group);
+
+	/* Stop monitoring if device was stopped originally */
+	if (tmp102->config_orig & TMP102_CONF_SD) {
+		int config;
+
+		config = tmp102_read_reg(client, TMP102_CONF_REG);
+		if (config >= 0)
+			tmp102_write_reg(client, TMP102_CONF_REG,
+					 config | TMP102_CONF_SD);
+	}
+
 	i2c_set_clientdata(client, NULL);
 	kfree(tmp102);
 

From ea694431f9c862bd409c90ba1cb3bdc6fdde8635 Mon Sep 17 00:00:00 2001
From: Juerg Haefliger <juergh@gmail.com>
Date: Thu, 27 May 2010 19:59:01 +0200
Subject: [PATCH 3500/3638] hwmon: (dme1737) Add SCH5127 support

Add support for the hardware monitoring capabilities of the SCH5127
chip to the dme1737 driver.

Signed-off-by: Juerg Haefliger <juergh@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Jeff Rickman <jrickman@myamigos.us>
---
 Documentation/hwmon/dme1737 |  51 ++++--
 drivers/hwmon/dme1737.c     | 328 +++++++++++++++++++++++++-----------
 2 files changed, 266 insertions(+), 113 deletions(-)

diff --git a/Documentation/hwmon/dme1737 b/Documentation/hwmon/dme1737
index 001d2e70bc1..fc5df7654d6 100644
--- a/Documentation/hwmon/dme1737
+++ b/Documentation/hwmon/dme1737
@@ -9,11 +9,15 @@ Supported chips:
   * SMSC SCH3112, SCH3114, SCH3116
     Prefix: 'sch311x'
     Addresses scanned: none, address read from Super-I/O config space
-    Datasheet: http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf
+    Datasheet: Available on the Internet
   * SMSC SCH5027
     Prefix: 'sch5027'
     Addresses scanned: I2C 0x2c, 0x2d, 0x2e
     Datasheet: Provided by SMSC upon request and under NDA
+  * SMSC SCH5127
+    Prefix: 'sch5127'
+    Addresses scanned: none, address read from Super-I/O config space
+    Datasheet: Provided by SMSC upon request and under NDA
 
 Authors:
     Juerg Haefliger <juergh@gmail.com>
@@ -36,8 +40,8 @@ Description
 -----------
 
 This driver implements support for the hardware monitoring capabilities of the
-SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, and SMSC
-SCH311x Super-I/O chips. These chips feature monitoring of 3 temp sensors
+SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, SCH311x,
+and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors
 temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and
 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement
 up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
@@ -48,14 +52,14 @@ Fan[3-6] and pwm[3,5-6] are optional features and their availability depends on
 the configuration of the chip. The driver will detect which features are
 present during initialization and create the sysfs attributes accordingly.
 
-For the SCH311x, fan[1-3] and pwm[1-3] are always present and fan[4-6] and
-pwm[5-6] don't exist.
+For the SCH311x and SCH5127, fan[1-3] and pwm[1-3] are always present and
+fan[4-6] and pwm[5-6] don't exist.
 
 The hardware monitoring features of the DME1737, A8000, and SCH5027 are only
-accessible via SMBus, while the SCH311x only provides access via the ISA bus.
-The driver will therefore register itself as an I2C client driver if it detects
-a DME1737, A8000, or SCH5027 and as a platform driver if it detects a SCH311x
-chip.
+accessible via SMBus, while the SCH311x and SCH5127 only provide access via
+the ISA bus. The driver will therefore register itself as an I2C client driver
+if it detects a DME1737, A8000, or SCH5027 and as a platform driver if it
+detects a SCH311x or SCH5127 chip.
 
 
 Voltage Monitoring
@@ -76,7 +80,7 @@ DME1737, A8000:
 	in6: Vbat	(+3.0V)			0V - 4.38V
 
 SCH311x:
-	in0: +2.5V				0V - 6.64V
+	in0: +2.5V				0V - 3.32V
 	in1: Vccp	(processor core)	0V - 2V
 	in2: VCC	(internal +3.3V)	0V - 4.38V
 	in3: +5V				0V - 6.64V
@@ -93,6 +97,15 @@ SCH5027:
 	in5: VTR	(+3.3V standby)		0V - 4.38V
 	in6: Vbat	(+3.0V)			0V - 4.38V
 
+SCH5127:
+	in0: +2.5				0V - 3.32V
+	in1: Vccp	(processor core)	0V - 3V
+	in2: VCC	(internal +3.3V)	0V - 4.38V
+	in3: V2_IN				0V - 1.5V
+	in4: V1_IN				0V - 1.5V
+	in5: VTR	(+3.3V standby)		0V - 4.38V
+	in6: Vbat	(+3.0V)			0V - 4.38V
+
 Each voltage input has associated min and max limits which trigger an alarm
 when crossed.
 
@@ -293,3 +306,21 @@ pwm[1-3]_auto_point1_pwm	RW	Auto PWM pwm point. Auto_point1 is the
 pwm[1-3]_auto_point2_pwm	RO	Auto PWM pwm point. Auto_point2 is the
 					full-speed duty-cycle which is hard-
 					wired to 255 (100% duty-cycle).
+
+Chip Differences
+----------------
+
+Feature			dme1737	sch311x	sch5027	sch5127
+-------------------------------------------------------
+temp[1-3]_offset	yes	yes
+vid			yes
+zone3			yes	yes	yes
+zone[1-3]_hyst		yes	yes
+pwm min/off		yes	yes
+fan3			opt	yes	opt	yes
+pwm3			opt	yes	opt	yes
+fan4			opt		opt
+fan5			opt		opt
+pwm5			opt		opt
+fan6			opt		opt
+pwm6			opt		opt
diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
index 823dd28a902..980c17d5eea 100644
--- a/drivers/hwmon/dme1737.c
+++ b/drivers/hwmon/dme1737.c
@@ -1,12 +1,14 @@
 /*
- * dme1737.c - Driver for the SMSC DME1737, Asus A8000, SMSC SCH311x and
- *             SCH5027 Super-I/O chips integrated hardware monitoring features.
- * Copyright (c) 2007, 2008 Juerg Haefliger <juergh@gmail.com>
+ * dme1737.c - Driver for the SMSC DME1737, Asus A8000, SMSC SCH311x, SCH5027,
+ *             and SCH5127 Super-I/O chips integrated hardware monitoring
+ *             features.
+ * Copyright (c) 2007, 2008, 2009, 2010 Juerg Haefliger <juergh@gmail.com>
  *
  * This driver is an I2C/ISA hybrid, meaning that it uses the I2C bus to access
  * the chip registers if a DME1737, A8000, or SCH5027 is found and the ISA bus
- * if a SCH311x chip is found. Both types of chips have very similar hardware
- * monitoring capabilities but differ in the way they can be accessed.
+ * if a SCH311x or SCH5127 chip is found. Both types of chips have very
+ * similar hardware monitoring capabilities but differ in the way they can be
+ * accessed.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -57,7 +59,7 @@ MODULE_PARM_DESC(probe_all_addr, "Include probing of non-standard LPC "
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END};
 
-enum chips { dme1737, sch5027, sch311x };
+enum chips { dme1737, sch5027, sch311x, sch5127 };
 
 /* ---------------------------------------------------------------------
  * Registers
@@ -164,10 +166,29 @@ static const u8 DME1737_BIT_ALARM_FAN[] = {10, 11, 12, 13, 22, 23};
 #define DME1737_VERSTEP_MASK	0xf8
 #define SCH311X_DEVICE		0x8c
 #define SCH5027_VERSTEP		0x69
+#define SCH5127_DEVICE		0x8e
+
+/* Device ID values (global configuration register index 0x20) */
+#define DME1737_ID_1	0x77
+#define DME1737_ID_2	0x78
+#define SCH3112_ID	0x7c
+#define SCH3114_ID	0x7d
+#define SCH3116_ID	0x7f
+#define SCH5027_ID	0x89
+#define SCH5127_ID	0x86
 
 /* Length of ISA address segment */
 #define DME1737_EXTENT	2
 
+/* chip-dependent features */
+#define HAS_TEMP_OFFSET		(1 << 0)		/* bit 0 */
+#define HAS_VID			(1 << 1)		/* bit 1 */
+#define HAS_ZONE3		(1 << 2)		/* bit 2 */
+#define HAS_ZONE_HYST		(1 << 3)		/* bit 3 */
+#define HAS_PWM_MIN		(1 << 4)		/* bit 4 */
+#define HAS_FAN(ix)		(1 << ((ix) + 5))	/* bits 5-10 */
+#define HAS_PWM(ix)		(1 << ((ix) + 11))	/* bits 11-16 */
+
 /* ---------------------------------------------------------------------
  * Data structures and manipulation thereof
  * --------------------------------------------------------------------- */
@@ -187,8 +208,7 @@ struct dme1737_data {
 
 	u8 vid;
 	u8 pwm_rr_en;
-	u8 has_pwm;
-	u8 has_fan;
+	u32 has_features;
 
 	/* Register values */
 	u16 in[7];
@@ -224,8 +244,11 @@ static const int IN_NOMINAL_SCH311x[] = {2500, 1500, 3300, 5000, 12000, 3300,
 					 3300};
 static const int IN_NOMINAL_SCH5027[] = {5000, 2250, 3300, 1125, 1125, 3300,
 					 3300};
+static const int IN_NOMINAL_SCH5127[] = {2500, 2250, 3300, 1125, 1125, 3300,
+					 3300};
 #define IN_NOMINAL(type)	((type) == sch311x ? IN_NOMINAL_SCH311x : \
 				 (type) == sch5027 ? IN_NOMINAL_SCH5027 : \
+				 (type) == sch5127 ? IN_NOMINAL_SCH5127 : \
 				 IN_NOMINAL_DME1737)
 
 /* Voltage input
@@ -568,7 +591,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 
 	/* Sample register contents every 1 sec */
 	if (time_after(jiffies, data->last_update + HZ) || !data->valid) {
-		if (data->type == dme1737) {
+		if (data->has_features & HAS_VID) {
 			data->vid = dme1737_read(data, DME1737_REG_VID) &
 				0x3f;
 		}
@@ -599,7 +622,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 					DME1737_REG_TEMP_MIN(ix));
 			data->temp_max[ix] = dme1737_read(data,
 					DME1737_REG_TEMP_MAX(ix));
-			if (data->type != sch5027) {
+			if (data->has_features & HAS_TEMP_OFFSET) {
 				data->temp_offset[ix] = dme1737_read(data,
 						DME1737_REG_TEMP_OFFSET(ix));
 			}
@@ -626,7 +649,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 		for (ix = 0; ix < ARRAY_SIZE(data->fan); ix++) {
 			/* Skip reading registers if optional fans are not
 			 * present */
-			if (!(data->has_fan & (1 << ix))) {
+			if (!(data->has_features & HAS_FAN(ix))) {
 				continue;
 			}
 			data->fan[ix] = dme1737_read(data,
@@ -650,7 +673,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 		for (ix = 0; ix < ARRAY_SIZE(data->pwm); ix++) {
 			/* Skip reading registers if optional PWMs are not
 			 * present */
-			if (!(data->has_pwm & (1 << ix))) {
+			if (!(data->has_features & HAS_PWM(ix))) {
 				continue;
 			}
 			data->pwm[ix] = dme1737_read(data,
@@ -672,12 +695,24 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 
 		/* Thermal zone registers */
 		for (ix = 0; ix < ARRAY_SIZE(data->zone_low); ix++) {
-			data->zone_low[ix] = dme1737_read(data,
-					DME1737_REG_ZONE_LOW(ix));
-			data->zone_abs[ix] = dme1737_read(data,
-					DME1737_REG_ZONE_ABS(ix));
+			/* Skip reading registers if zone3 is not present */
+			if ((ix == 2) && !(data->has_features & HAS_ZONE3)) {
+				continue;
+			}
+			/* sch5127 zone2 registers are special */
+			if ((ix == 1) && (data->type == sch5127)) {
+				data->zone_low[1] = dme1737_read(data,
+						DME1737_REG_ZONE_LOW(2));
+				data->zone_abs[1] = dme1737_read(data,
+						DME1737_REG_ZONE_ABS(2));
+			} else {
+				data->zone_low[ix] = dme1737_read(data,
+						DME1737_REG_ZONE_LOW(ix));
+				data->zone_abs[ix] = dme1737_read(data,
+						DME1737_REG_ZONE_ABS(ix));
+			}
 		}
-		if (data->type != sch5027) {
+		if (data->has_features & HAS_ZONE_HYST) {
 			for (ix = 0; ix < ARRAY_SIZE(data->zone_hyst); ix++) {
 				data->zone_hyst[ix] = dme1737_read(data,
 						DME1737_REG_ZONE_HYST(ix));
@@ -1594,10 +1629,6 @@ static struct attribute *dme1737_attr[] ={
 	&sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr,
 	&sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr,
 	&sensor_dev_attr_zone2_auto_channels_temp.dev_attr.attr,
-	&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
-	&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
-	&sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr,
-	&sensor_dev_attr_zone3_auto_channels_temp.dev_attr.attr,
 	NULL
 };
 
@@ -1605,27 +1636,23 @@ static const struct attribute_group dme1737_group = {
 	.attrs = dme1737_attr,
 };
 
-/* The following struct holds misc attributes, which are not available in all
- * chips. Their creation depends on the chip type which is determined during
- * module load. */
-static struct attribute *dme1737_misc_attr[] = {
-	/* Temperatures */
+/* The following struct holds temp offset attributes, which are not available
+ * in all chips. The following chips support them:
+ * DME1737, SCH311x */
+static struct attribute *dme1737_temp_offset_attr[] = {
 	&sensor_dev_attr_temp1_offset.dev_attr.attr,
 	&sensor_dev_attr_temp2_offset.dev_attr.attr,
 	&sensor_dev_attr_temp3_offset.dev_attr.attr,
-	/* Zones */
-	&sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
-	&sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
-	&sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr,
 	NULL
 };
 
-static const struct attribute_group dme1737_misc_group = {
-	.attrs = dme1737_misc_attr,
+static const struct attribute_group dme1737_temp_offset_group = {
+	.attrs = dme1737_temp_offset_attr,
 };
 
-/* The following struct holds VID-related attributes. Their creation
-   depends on the chip type which is determined during module load. */
+/* The following struct holds VID related attributes, which are not available
+ * in all chips. The following chips support them:
+ * DME1737 */
 static struct attribute *dme1737_vid_attr[] = {
 	&dev_attr_vrm.attr,
 	&dev_attr_cpu0_vid.attr,
@@ -1636,6 +1663,36 @@ static const struct attribute_group dme1737_vid_group = {
 	.attrs = dme1737_vid_attr,
 };
 
+/* The following struct holds temp zone 3 related attributes, which are not
+ * available in all chips. The following chips support them:
+ * DME1737, SCH311x, SCH5027 */
+static struct attribute *dme1737_zone3_attr[] = {
+	&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
+	&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
+	&sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr,
+	&sensor_dev_attr_zone3_auto_channels_temp.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group dme1737_zone3_group = {
+	.attrs = dme1737_zone3_attr,
+};
+
+
+/* The following struct holds temp zone hysteresis  related attributes, which
+ * are not available in all chips. The following chips support them:
+ * DME1737, SCH311x */
+static struct attribute *dme1737_zone_hyst_attr[] = {
+	&sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
+	&sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
+	&sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group dme1737_zone_hyst_group = {
+	.attrs = dme1737_zone_hyst_attr,
+};
+
 /* The following structs hold the PWM attributes, some of which are optional.
  * Their creation depends on the chip configuration which is determined during
  * module load. */
@@ -1691,10 +1748,10 @@ static const struct attribute_group dme1737_pwm_group[] = {
 	{ .attrs = dme1737_pwm6_attr },
 };
 
-/* The following struct holds misc PWM attributes, which are not available in
- * all chips. Their creation depends on the chip type which is determined
+/* The following struct holds auto PWM min attributes, which are not available
+ * in all chips. Their creation depends on the chip type which is determined
  * during module load. */
-static struct attribute *dme1737_pwm_misc_attr[] = {
+static struct attribute *dme1737_auto_pwm_min_attr[] = {
 	&sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
 	&sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
 	&sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
@@ -1764,14 +1821,25 @@ static struct attribute *dme1737_zone_chmod_attr[] = {
 	&sensor_dev_attr_zone2_auto_point1_temp.dev_attr.attr,
 	&sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr,
 	&sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group dme1737_zone_chmod_group = {
+	.attrs = dme1737_zone_chmod_attr,
+};
+
+
+/* The permissions of the following zone 3 attributes are changed to read-
+ * writeable if the chip is *not* locked. Otherwise they stay read-only. */
+static struct attribute *dme1737_zone3_chmod_attr[] = {
 	&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
 	&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
 	&sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr,
 	NULL
 };
 
-static const struct attribute_group dme1737_zone_chmod_group = {
-	.attrs = dme1737_zone_chmod_attr,
+static const struct attribute_group dme1737_zone3_chmod_group = {
+	.attrs = dme1737_zone3_chmod_attr,
 };
 
 /* The permissions of the following PWM attributes are changed to read-
@@ -1887,30 +1955,35 @@ static void dme1737_remove_files(struct device *dev)
 	int ix;
 
 	for (ix = 0; ix < ARRAY_SIZE(dme1737_fan_group); ix++) {
-		if (data->has_fan & (1 << ix)) {
+		if (data->has_features & HAS_FAN(ix)) {
 			sysfs_remove_group(&dev->kobj,
 					   &dme1737_fan_group[ix]);
 		}
 	}
 
 	for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_group); ix++) {
-		if (data->has_pwm & (1 << ix)) {
+		if (data->has_features & HAS_PWM(ix)) {
 			sysfs_remove_group(&dev->kobj,
 					   &dme1737_pwm_group[ix]);
-			if (data->type != sch5027 && ix < 3) {
+			if ((data->has_features & HAS_PWM_MIN) && ix < 3) {
 				sysfs_remove_file(&dev->kobj,
-						  dme1737_pwm_misc_attr[ix]);
+						dme1737_auto_pwm_min_attr[ix]);
 			}
 		}
 	}
 
-	if (data->type != sch5027) {
-		sysfs_remove_group(&dev->kobj, &dme1737_misc_group);
+	if (data->has_features & HAS_TEMP_OFFSET) {
+		sysfs_remove_group(&dev->kobj, &dme1737_temp_offset_group);
 	}
-	if (data->type == dme1737) {
+	if (data->has_features & HAS_VID) {
 		sysfs_remove_group(&dev->kobj, &dme1737_vid_group);
 	}
-
+	if (data->has_features & HAS_ZONE3) {
+		sysfs_remove_group(&dev->kobj, &dme1737_zone3_group);
+	}
+	if (data->has_features & HAS_ZONE_HYST) {
+		sysfs_remove_group(&dev->kobj, &dme1737_zone_hyst_group);
+	}
 	sysfs_remove_group(&dev->kobj, &dme1737_group);
 
 	if (!data->client) {
@@ -1934,23 +2007,31 @@ static int dme1737_create_files(struct device *dev)
 		goto exit_remove;
 	}
 
-	/* Create misc sysfs attributes */
-	if ((data->type != sch5027) &&
+	/* Create chip-dependent sysfs attributes */
+	if ((data->has_features & HAS_TEMP_OFFSET) &&
 	    (err = sysfs_create_group(&dev->kobj,
-				      &dme1737_misc_group))) {
+				      &dme1737_temp_offset_group))) {
 		goto exit_remove;
 	}
-
-	/* Create VID-related sysfs attributes */
-	if ((data->type == dme1737) &&
+	if ((data->has_features & HAS_VID) &&
 	    (err = sysfs_create_group(&dev->kobj,
 				      &dme1737_vid_group))) {
 		goto exit_remove;
 	}
+	if ((data->has_features & HAS_ZONE3) &&
+	    (err = sysfs_create_group(&dev->kobj,
+				      &dme1737_zone3_group))) {
+		goto exit_remove;
+	}
+	if ((data->has_features & HAS_ZONE_HYST) &&
+	    (err = sysfs_create_group(&dev->kobj,
+				      &dme1737_zone_hyst_group))) {
+		goto exit_remove;
+	}
 
 	/* Create fan sysfs attributes */
 	for (ix = 0; ix < ARRAY_SIZE(dme1737_fan_group); ix++) {
-		if (data->has_fan & (1 << ix)) {
+		if (data->has_features & HAS_FAN(ix)) {
 			if ((err = sysfs_create_group(&dev->kobj,
 						&dme1737_fan_group[ix]))) {
 				goto exit_remove;
@@ -1960,14 +2041,14 @@ static int dme1737_create_files(struct device *dev)
 
 	/* Create PWM sysfs attributes */
 	for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_group); ix++) {
-		if (data->has_pwm & (1 << ix)) {
+		if (data->has_features & HAS_PWM(ix)) {
 			if ((err = sysfs_create_group(&dev->kobj,
 						&dme1737_pwm_group[ix]))) {
 				goto exit_remove;
 			}
-			if (data->type != sch5027 && ix < 3 &&
+			if ((data->has_features & HAS_PWM_MIN) && ix < 3 &&
 			    (err = sysfs_create_file(&dev->kobj,
-						dme1737_pwm_misc_attr[ix]))) {
+					dme1737_auto_pwm_min_attr[ix]))) {
 				goto exit_remove;
 			}
 		}
@@ -1983,21 +2064,30 @@ static int dme1737_create_files(struct device *dev)
 		dme1737_chmod_group(dev, &dme1737_zone_chmod_group,
 				    S_IRUGO | S_IWUSR);
 
-		/* Change permissions of misc sysfs attributes */
-		if (data->type != sch5027) {
-			dme1737_chmod_group(dev, &dme1737_misc_group,
+		/* Change permissions of chip-dependent sysfs attributes */
+		if (data->has_features & HAS_TEMP_OFFSET) {
+			dme1737_chmod_group(dev, &dme1737_temp_offset_group,
+					    S_IRUGO | S_IWUSR);
+		}
+		if (data->has_features & HAS_ZONE3) {
+			dme1737_chmod_group(dev, &dme1737_zone3_chmod_group,
+					    S_IRUGO | S_IWUSR);
+		}
+		if (data->has_features & HAS_ZONE_HYST) {
+			dme1737_chmod_group(dev, &dme1737_zone_hyst_group,
 					    S_IRUGO | S_IWUSR);
 		}
 
 		/* Change permissions of PWM sysfs attributes */
 		for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_chmod_group); ix++) {
-			if (data->has_pwm & (1 << ix)) {
+			if (data->has_features & HAS_PWM(ix)) {
 				dme1737_chmod_group(dev,
 						&dme1737_pwm_chmod_group[ix],
 						S_IRUGO | S_IWUSR);
-				if (data->type != sch5027 && ix < 3) {
+				if ((data->has_features & HAS_PWM_MIN) &&
+				    ix < 3) {
 					dme1737_chmod_file(dev,
-						dme1737_pwm_misc_attr[ix],
+						dme1737_auto_pwm_min_attr[ix],
 						S_IRUGO | S_IWUSR);
 				}
 			}
@@ -2005,7 +2095,7 @@ static int dme1737_create_files(struct device *dev)
 
 		/* Change permissions of pwm[1-3] if in manual mode */
 		for (ix = 0; ix < 3; ix++) {
-			if ((data->has_pwm & (1 << ix)) &&
+			if ((data->has_features & HAS_PWM(ix)) &&
 			    (PWM_EN_FROM_REG(data->pwm_config[ix]) == 1)) {
 				dme1737_chmod_file(dev,
 						dme1737_pwm_chmod_attr[ix],
@@ -2052,20 +2142,20 @@ static int dme1737_init_device(struct device *dev)
 		return -EFAULT;
 	}
 
-	/* Determine which optional fan and pwm features are enabled/present */
+	/* Determine which optional fan and pwm features are enabled (only
+	 * valid for I2C devices) */
 	if (client) {   /* I2C chip */
 		data->config2 = dme1737_read(data, DME1737_REG_CONFIG2);
 		/* Check if optional fan3 input is enabled */
 		if (data->config2 & 0x04) {
-			data->has_fan |= (1 << 2);
+			data->has_features |= HAS_FAN(2);
 		}
 
 		/* Fan4 and pwm3 are only available if the client's I2C address
 		 * is the default 0x2e. Otherwise the I/Os associated with
 		 * these functions are used for addr enable/select. */
 		if (client->addr == 0x2e) {
-			data->has_fan |= (1 << 3);
-			data->has_pwm |= (1 << 2);
+			data->has_features |= HAS_FAN(3) | HAS_PWM(2);
 		}
 
 		/* Determine which of the optional fan[5-6] and pwm[5-6]
@@ -2077,26 +2167,40 @@ static int dme1737_init_device(struct device *dev)
 			dev_warn(dev, "Failed to query Super-IO for optional "
 				 "features.\n");
 		}
-	} else {   /* ISA chip */
-		/* Fan3 and pwm3 are always available. Fan[4-5] and pwm[5-6]
-		 * don't exist in the ISA chip. */
-		data->has_fan |= (1 << 2);
-		data->has_pwm |= (1 << 2);
 	}
 
-	/* Fan1, fan2, pwm1, and pwm2 are always present */
-	data->has_fan |= 0x03;
-	data->has_pwm |= 0x03;
+	/* Fan[1-2] and pwm[1-2] are present in all chips */
+	data->has_features |= HAS_FAN(0) | HAS_FAN(1) | HAS_PWM(0) | HAS_PWM(1);
+
+	/* Chip-dependent features */
+	switch (data->type) {
+	case dme1737:
+		data->has_features |= HAS_TEMP_OFFSET | HAS_VID | HAS_ZONE3 |
+			HAS_ZONE_HYST | HAS_PWM_MIN;
+		break;
+	case sch311x:
+		data->has_features |= HAS_TEMP_OFFSET | HAS_ZONE3 |
+			HAS_ZONE_HYST | HAS_PWM_MIN | HAS_FAN(2) | HAS_PWM(2);
+		break;
+	case sch5027:
+		data->has_features |= HAS_ZONE3;
+		break;
+	case sch5127:
+		data->has_features |= HAS_FAN(2) | HAS_PWM(2);
+		break;
+	default:
+		break;
+	}
 
 	dev_info(dev, "Optional features: pwm3=%s, pwm5=%s, pwm6=%s, "
 		 "fan3=%s, fan4=%s, fan5=%s, fan6=%s.\n",
-		 (data->has_pwm & (1 << 2)) ? "yes" : "no",
-		 (data->has_pwm & (1 << 4)) ? "yes" : "no",
-		 (data->has_pwm & (1 << 5)) ? "yes" : "no",
-		 (data->has_fan & (1 << 2)) ? "yes" : "no",
-		 (data->has_fan & (1 << 3)) ? "yes" : "no",
-		 (data->has_fan & (1 << 4)) ? "yes" : "no",
-		 (data->has_fan & (1 << 5)) ? "yes" : "no");
+		 (data->has_features & HAS_PWM(2)) ? "yes" : "no",
+		 (data->has_features & HAS_PWM(4)) ? "yes" : "no",
+		 (data->has_features & HAS_PWM(5)) ? "yes" : "no",
+		 (data->has_features & HAS_FAN(2)) ? "yes" : "no",
+		 (data->has_features & HAS_FAN(3)) ? "yes" : "no",
+		 (data->has_features & HAS_FAN(4)) ? "yes" : "no",
+		 (data->has_features & HAS_FAN(5)) ? "yes" : "no");
 
 	reg = dme1737_read(data, DME1737_REG_TACH_PWM);
 	/* Inform if fan-to-pwm mapping differs from the default */
@@ -2122,7 +2226,7 @@ static int dme1737_init_device(struct device *dev)
 		for (ix = 0; ix < 3; ix++) {
 			data->pwm_config[ix] = dme1737_read(data,
 						DME1737_REG_PWM_CONFIG(ix));
-			if ((data->has_pwm & (1 << ix)) &&
+			if ((data->has_features & HAS_PWM(ix)) &&
 			    (PWM_EN_FROM_REG(data->pwm_config[ix]) == -1)) {
 				dev_info(dev, "Switching pwm%d to "
 					 "manual mode.\n", ix + 1);
@@ -2142,7 +2246,7 @@ static int dme1737_init_device(struct device *dev)
 	data->pwm_acz[2] = 4;	/* pwm3 -> zone3 */
 
 	/* Set VRM */
-	if (data->type == dme1737) {
+	if (data->has_features & HAS_VID) {
 		data->vrm = vid_which_vrm();
 	}
 
@@ -2163,10 +2267,10 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
 	dme1737_sio_enter(sio_cip);
 
 	/* Check device ID
-	 * The DME1737 can return either 0x78 or 0x77 as its device ID.
-	 * The SCH5027 returns 0x89 as its device ID. */
+	 * We currently know about two kinds of DME1737 and SCH5027. */
 	reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
-	if (!(reg == 0x77 || reg == 0x78 || reg == 0x89)) {
+	if (!(reg == DME1737_ID_1 || reg == DME1737_ID_2 ||
+	      reg == SCH5027_ID)) {
 		err = -ENODEV;
 		goto exit;
 	}
@@ -2185,16 +2289,16 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
 	 * are enabled and available. Bits [3:2] of registers 0x43-0x46 are set
 	 * to '10' if the respective feature is enabled. */
 	if ((inb(addr + 0x43) & 0x0c) == 0x08) { /* fan6 */
-		data->has_fan |= (1 << 5);
+		data->has_features |= HAS_FAN(5);
 	}
 	if ((inb(addr + 0x44) & 0x0c) == 0x08) { /* pwm6 */
-		data->has_pwm |= (1 << 5);
+		data->has_features |= HAS_PWM(5);
 	}
 	if ((inb(addr + 0x45) & 0x0c) == 0x08) { /* fan5 */
-		data->has_fan |= (1 << 4);
+		data->has_features |= HAS_FAN(4);
 	}
 	if ((inb(addr + 0x46) & 0x0c) == 0x08) { /* pwm5 */
-		data->has_pwm |= (1 << 4);
+		data->has_features |= HAS_PWM(4);
 	}
 
 exit:
@@ -2222,7 +2326,6 @@ static int dme1737_i2c_detect(struct i2c_client *client,
 	if (company == DME1737_COMPANY_SMSC &&
 	    verstep == SCH5027_VERSTEP) {
 		name = "sch5027";
-
 	} else if (company == DME1737_COMPANY_SMSC &&
 		   (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) {
 		name = "dme1737";
@@ -2329,10 +2432,10 @@ static int __init dme1737_isa_detect(int sio_cip, unsigned short *addr)
 	dme1737_sio_enter(sio_cip);
 
 	/* Check device ID
-	 * We currently know about SCH3112 (0x7c), SCH3114 (0x7d), and
-	 * SCH3116 (0x7f). */
+	 * We currently know about SCH3112, SCH3114, SCH3116, and SCH5127 */
 	reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
-	if (!(reg == 0x7c || reg == 0x7d || reg == 0x7f)) {
+	if (!(reg == SCH3112_ID || reg == SCH3114_ID || reg == SCH3116_ID ||
+	      reg == SCH5127_ID)) {
 		err = -ENODEV;
 		goto exit;
 	}
@@ -2424,23 +2527,42 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, data);
 
 	/* Skip chip detection if module is loaded with force_id parameter */
-	if (!force_id) {
+	switch (force_id) {
+	case SCH3112_ID:
+	case SCH3114_ID:
+	case SCH3116_ID:
+		data->type = sch311x;
+		break;
+	case SCH5127_ID:
+		data->type = sch5127;
+		break;
+	default:
 		company = dme1737_read(data, DME1737_REG_COMPANY);
 		device = dme1737_read(data, DME1737_REG_DEVICE);
 
-		if (!((company == DME1737_COMPANY_SMSC) &&
-		      (device == SCH311X_DEVICE))) {
+		if ((company == DME1737_COMPANY_SMSC) &&
+		    (device == SCH311X_DEVICE)) {
+			data->type = sch311x;
+		} else if ((company == DME1737_COMPANY_SMSC) &&
+			   (device == SCH5127_DEVICE)) {
+			data->type = sch5127;
+		} else {
 			err = -ENODEV;
 			goto exit_kfree;
 		}
 	}
-	data->type = sch311x;
 
-	/* Fill in the remaining client fields and initialize the mutex */
-	data->name = "sch311x";
+	if (data->type == sch5127) {
+		data->name = "sch5127";
+	} else {
+		data->name = "sch311x";
+	}
+
+	/* Initialize the mutex */
 	mutex_init(&data->update_lock);
 
-	dev_info(dev, "Found a SCH311x chip at 0x%04x\n", data->addr);
+	dev_info(dev, "Found a %s chip at 0x%04x\n",
+		 data->type == sch5127 ? "SCH5127" : "SCH311x", data->addr);
 
 	/* Initialize the chip */
 	if ((err = dme1737_init_device(dev))) {

From df16dd53c575d0cb9dbee20a3149927c862a9ff6 Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Thu, 27 May 2010 19:59:02 +0200
Subject: [PATCH 3501/3638] hwmon: (ltc4245) Read only one GPIO pin

Read only one of the GPIO pins as an analog voltage. The ADC can be
switched to a different GPIO pin at runtime, but this is not supported.

Previously, this driver would report the analog voltage of the currently
selected GPIO pin as all three GPIO voltages: in9_input, in10_input and
in11_input.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
---
 Documentation/hwmon/ltc4245 |  4 +---
 drivers/hwmon/ltc4245.c     | 18 +++++-------------
 2 files changed, 6 insertions(+), 16 deletions(-)

diff --git a/Documentation/hwmon/ltc4245 b/Documentation/hwmon/ltc4245
index 02838a47d86..86b5880d850 100644
--- a/Documentation/hwmon/ltc4245
+++ b/Documentation/hwmon/ltc4245
@@ -72,9 +72,7 @@ in6_min_alarm		5v  output undervoltage alarm
 in7_min_alarm		3v  output undervoltage alarm
 in8_min_alarm		Vee (-12v) output undervoltage alarm
 
-in9_input		GPIO #1 voltage data
-in10_input		GPIO #2 voltage data
-in11_input		GPIO #3 voltage data
+in9_input		GPIO voltage data
 
 power1_input		12v power usage (mW)
 power2_input		5v  power usage (mW)
diff --git a/drivers/hwmon/ltc4245.c b/drivers/hwmon/ltc4245.c
index 65c232a9d0c..21d201befc2 100644
--- a/drivers/hwmon/ltc4245.c
+++ b/drivers/hwmon/ltc4245.c
@@ -45,9 +45,7 @@ enum ltc4245_cmd {
 	LTC4245_VEEIN			= 0x19,
 	LTC4245_VEESENSE		= 0x1a,
 	LTC4245_VEEOUT			= 0x1b,
-	LTC4245_GPIOADC1		= 0x1c,
-	LTC4245_GPIOADC2		= 0x1d,
-	LTC4245_GPIOADC3		= 0x1e,
+	LTC4245_GPIOADC			= 0x1c,
 };
 
 struct ltc4245_data {
@@ -61,7 +59,7 @@ struct ltc4245_data {
 	u8 cregs[0x08];
 
 	/* Voltage registers */
-	u8 vregs[0x0f];
+	u8 vregs[0x0d];
 };
 
 static struct ltc4245_data *ltc4245_update_device(struct device *dev)
@@ -86,7 +84,7 @@ static struct ltc4245_data *ltc4245_update_device(struct device *dev)
 				data->cregs[i] = val;
 		}
 
-		/* Read voltage registers -- 0x10 to 0x1f */
+		/* Read voltage registers -- 0x10 to 0x1c */
 		for (i = 0; i < ARRAY_SIZE(data->vregs); i++) {
 			val = i2c_smbus_read_byte_data(client, i+0x10);
 			if (unlikely(val < 0))
@@ -128,9 +126,7 @@ static int ltc4245_get_voltage(struct device *dev, u8 reg)
 	case LTC4245_VEEOUT:
 		voltage = regval * -55;
 		break;
-	case LTC4245_GPIOADC1:
-	case LTC4245_GPIOADC2:
-	case LTC4245_GPIOADC3:
+	case LTC4245_GPIOADC:
 		voltage = regval * 10;
 		break;
 	default:
@@ -297,9 +293,7 @@ LTC4245_ALARM(in7_min_alarm,	(1 << 2),	LTC4245_FAULT2);
 LTC4245_ALARM(in8_min_alarm,	(1 << 3),	LTC4245_FAULT2);
 
 /* GPIO voltages */
-LTC4245_VOLTAGE(in9_input,			LTC4245_GPIOADC1);
-LTC4245_VOLTAGE(in10_input,			LTC4245_GPIOADC2);
-LTC4245_VOLTAGE(in11_input,			LTC4245_GPIOADC3);
+LTC4245_VOLTAGE(in9_input,			LTC4245_GPIOADC);
 
 /* Power Consumption (virtual) */
 LTC4245_POWER(power1_input,			LTC4245_12VSENSE);
@@ -342,8 +336,6 @@ static struct attribute *ltc4245_attributes[] = {
 	&sensor_dev_attr_in8_min_alarm.dev_attr.attr,
 
 	&sensor_dev_attr_in9_input.dev_attr.attr,
-	&sensor_dev_attr_in10_input.dev_attr.attr,
-	&sensor_dev_attr_in11_input.dev_attr.attr,
 
 	&sensor_dev_attr_power1_input.dev_attr.attr,
 	&sensor_dev_attr_power2_input.dev_attr.attr,

From 6d034059eef080a0cdda92b45baa18cb00a19835 Mon Sep 17 00:00:00 2001
From: Shubhrajyoti Datta <shubhrajyoti@ti.com>
Date: Thu, 27 May 2010 19:59:03 +0200
Subject: [PATCH 3502/3638] hwmon: (lm75) Add support for the Texas Instruments
 TMP105

Add support for the Texas Instruments TMP105 temperature sensor
device.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti@ti.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/Kconfig | 3 ++-
 drivers/hwmon/lm75.c  | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index de22ae41f75..e19cf8eb6cc 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -493,7 +493,8 @@ config SENSORS_LM75
 		- NXP's LM75A
 		- ST Microelectronics STDS75
 		- TelCom (now Microchip) TCN75
-		- Texas Instruments TMP100, TMP101, TMP75, TMP175, TMP275
+		- Texas Instruments TMP100, TMP101, TMP105, TMP75, TMP175,
+		  TMP275
 
 	  This driver supports driver model based binding through board
 	  specific I2C device tables.
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 8ae2cfe2d82..56463428a41 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -46,6 +46,7 @@ enum lm75_type {		/* keep sorted in alphabetical order */
 	tcn75,
 	tmp100,
 	tmp101,
+	tmp105,
 	tmp175,
 	tmp275,
 	tmp75,
@@ -220,6 +221,7 @@ static const struct i2c_device_id lm75_ids[] = {
 	{ "tcn75", tcn75, },
 	{ "tmp100", tmp100, },
 	{ "tmp101", tmp101, },
+	{ "tmp105", tmp105, },
 	{ "tmp175", tmp175, },
 	{ "tmp275", tmp275, },
 	{ "tmp75", tmp75, },

From 7145c45a06e9c918ccf2d8b27b01409a98a67be7 Mon Sep 17 00:00:00 2001
From: Ralph Campbell <ralph.campbell@qlogic.com>
Date: Thu, 27 May 2010 10:59:10 -0700
Subject: [PATCH 3503/3638] IB/qib: Remove DCA support until feature is
 finished

The DCA code was left over from internal development to test the
hardware feature and allow performance testing.  The results were
mixed and will require some additional work to make full use of the
feature.  Therefore, it is being removed for now.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/qib/qib_iba7322.c | 189 ------------------------
 1 file changed, 189 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 23fb9efe20a..503992d9c5c 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -42,9 +42,6 @@
 #include <linux/jiffies.h>
 #include <rdma/ib_verbs.h>
 #include <rdma/ib_smi.h>
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-#include <linux/dca.h>
-#endif
 
 #include "qib.h"
 #include "qib_7322_regs.h"
@@ -518,12 +515,6 @@ struct qib_chip_specific {
 	u32 lastbuf_for_pio;
 	u32 stay_in_freeze;
 	u32 recovery_ports_initted;
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-	u32 dca_ctrl;
-	int rhdr_cpu[18];
-	int sdma_cpu[2];
-	u64 dca_rcvhdr_ctrl[5]; /* B, C, D, E, F */
-#endif
 	struct msix_entry *msix_entries;
 	void  **msix_arg;
 	unsigned long *sendchkenable;
@@ -642,52 +633,6 @@ static struct {
 		SYM_LSB(IntStatus, SDmaCleanupDone_1), 2 },
 };
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-static const struct dca_reg_map {
-	int     shadow_inx;
-	int     lsb;
-	u64     mask;
-	u16     regno;
-} dca_rcvhdr_reg_map[] = {
-	{ 0, SYM_LSB(DCACtrlB, RcvHdrq0DCAOPH),
-	   ~SYM_MASK(DCACtrlB, RcvHdrq0DCAOPH) , KREG_IDX(DCACtrlB) },
-	{ 0, SYM_LSB(DCACtrlB, RcvHdrq1DCAOPH),
-	   ~SYM_MASK(DCACtrlB, RcvHdrq1DCAOPH) , KREG_IDX(DCACtrlB) },
-	{ 0, SYM_LSB(DCACtrlB, RcvHdrq2DCAOPH),
-	   ~SYM_MASK(DCACtrlB, RcvHdrq2DCAOPH) , KREG_IDX(DCACtrlB) },
-	{ 0, SYM_LSB(DCACtrlB, RcvHdrq3DCAOPH),
-	   ~SYM_MASK(DCACtrlB, RcvHdrq3DCAOPH) , KREG_IDX(DCACtrlB) },
-	{ 1, SYM_LSB(DCACtrlC, RcvHdrq4DCAOPH),
-	   ~SYM_MASK(DCACtrlC, RcvHdrq4DCAOPH) , KREG_IDX(DCACtrlC) },
-	{ 1, SYM_LSB(DCACtrlC, RcvHdrq5DCAOPH),
-	   ~SYM_MASK(DCACtrlC, RcvHdrq5DCAOPH) , KREG_IDX(DCACtrlC) },
-	{ 1, SYM_LSB(DCACtrlC, RcvHdrq6DCAOPH),
-	   ~SYM_MASK(DCACtrlC, RcvHdrq6DCAOPH) , KREG_IDX(DCACtrlC) },
-	{ 1, SYM_LSB(DCACtrlC, RcvHdrq7DCAOPH),
-	   ~SYM_MASK(DCACtrlC, RcvHdrq7DCAOPH) , KREG_IDX(DCACtrlC) },
-	{ 2, SYM_LSB(DCACtrlD, RcvHdrq8DCAOPH),
-	   ~SYM_MASK(DCACtrlD, RcvHdrq8DCAOPH) , KREG_IDX(DCACtrlD) },
-	{ 2, SYM_LSB(DCACtrlD, RcvHdrq9DCAOPH),
-	   ~SYM_MASK(DCACtrlD, RcvHdrq9DCAOPH) , KREG_IDX(DCACtrlD) },
-	{ 2, SYM_LSB(DCACtrlD, RcvHdrq10DCAOPH),
-	   ~SYM_MASK(DCACtrlD, RcvHdrq10DCAOPH) , KREG_IDX(DCACtrlD) },
-	{ 2, SYM_LSB(DCACtrlD, RcvHdrq11DCAOPH),
-	   ~SYM_MASK(DCACtrlD, RcvHdrq11DCAOPH) , KREG_IDX(DCACtrlD) },
-	{ 3, SYM_LSB(DCACtrlE, RcvHdrq12DCAOPH),
-	   ~SYM_MASK(DCACtrlE, RcvHdrq12DCAOPH) , KREG_IDX(DCACtrlE) },
-	{ 3, SYM_LSB(DCACtrlE, RcvHdrq13DCAOPH),
-	   ~SYM_MASK(DCACtrlE, RcvHdrq13DCAOPH) , KREG_IDX(DCACtrlE) },
-	{ 3, SYM_LSB(DCACtrlE, RcvHdrq14DCAOPH),
-	   ~SYM_MASK(DCACtrlE, RcvHdrq14DCAOPH) , KREG_IDX(DCACtrlE) },
-	{ 3, SYM_LSB(DCACtrlE, RcvHdrq15DCAOPH),
-	   ~SYM_MASK(DCACtrlE, RcvHdrq15DCAOPH) , KREG_IDX(DCACtrlE) },
-	{ 4, SYM_LSB(DCACtrlF, RcvHdrq16DCAOPH),
-	   ~SYM_MASK(DCACtrlF, RcvHdrq16DCAOPH) , KREG_IDX(DCACtrlF) },
-	{ 4, SYM_LSB(DCACtrlF, RcvHdrq17DCAOPH),
-	   ~SYM_MASK(DCACtrlF, RcvHdrq17DCAOPH) , KREG_IDX(DCACtrlF) },
-};
-#endif
-
 /* ibcctrl bits */
 #define QLOGIC_IB_IBCC_LINKINITCMD_DISABLE 1
 /* cycle through TS1/TS2 till OK */
@@ -2538,95 +2483,6 @@ static void qib_setup_7322_setextled(struct qib_pportdata *ppd, u32 on)
 		qib_write_kreg_port(ppd, krp_rcvpktledcnt, ledblink);
 }
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-static void qib_update_rhdrq_dca(struct qib_ctxtdata *rcd)
-{
-	struct qib_devdata *dd = rcd->dd;
-	struct qib_chip_specific *cspec = dd->cspec;
-	int cpu = get_cpu();
-
-	if (cspec->rhdr_cpu[rcd->ctxt] != cpu) {
-		const struct dca_reg_map *rmp;
-
-		cspec->rhdr_cpu[rcd->ctxt] = cpu;
-		rmp = &dca_rcvhdr_reg_map[rcd->ctxt];
-		cspec->dca_rcvhdr_ctrl[rmp->shadow_inx] &= rmp->mask;
-		cspec->dca_rcvhdr_ctrl[rmp->shadow_inx] |=
-			(u64) dca3_get_tag(&dd->pcidev->dev, cpu) << rmp->lsb;
-		qib_write_kreg(dd, rmp->regno,
-			       cspec->dca_rcvhdr_ctrl[rmp->shadow_inx]);
-		cspec->dca_ctrl |= SYM_MASK(DCACtrlA, RcvHdrqDCAEnable);
-		qib_write_kreg(dd, KREG_IDX(DCACtrlA), cspec->dca_ctrl);
-	}
-	put_cpu();
-}
-
-static void qib_update_sdma_dca(struct qib_pportdata *ppd)
-{
-	struct qib_devdata *dd = ppd->dd;
-	struct qib_chip_specific *cspec = dd->cspec;
-	int cpu = get_cpu();
-	unsigned pidx = ppd->port - 1;
-
-	if (cspec->sdma_cpu[pidx] != cpu) {
-		cspec->sdma_cpu[pidx] = cpu;
-		cspec->dca_rcvhdr_ctrl[4] &= ~(ppd->hw_pidx ?
-			SYM_MASK(DCACtrlF, SendDma1DCAOPH) :
-			SYM_MASK(DCACtrlF, SendDma0DCAOPH));
-		cspec->dca_rcvhdr_ctrl[4] |=
-			(u64) dca3_get_tag(&dd->pcidev->dev, cpu) <<
-				(ppd->hw_pidx ?
-					SYM_LSB(DCACtrlF, SendDma1DCAOPH) :
-					SYM_LSB(DCACtrlF, SendDma0DCAOPH));
-		qib_write_kreg(dd, KREG_IDX(DCACtrlF),
-			       cspec->dca_rcvhdr_ctrl[4]);
-		cspec->dca_ctrl |= ppd->hw_pidx ?
-			SYM_MASK(DCACtrlA, SendDMAHead1DCAEnable) :
-			SYM_MASK(DCACtrlA, SendDMAHead0DCAEnable);
-		qib_write_kreg(dd, KREG_IDX(DCACtrlA), cspec->dca_ctrl);
-	}
-	put_cpu();
-}
-
-static void qib_setup_dca(struct qib_devdata *dd)
-{
-	struct qib_chip_specific *cspec = dd->cspec;
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(cspec->rhdr_cpu); i++)
-		cspec->rhdr_cpu[i] = -1;
-	for (i = 0; i < ARRAY_SIZE(cspec->sdma_cpu); i++)
-		cspec->sdma_cpu[i] = -1;
-	cspec->dca_rcvhdr_ctrl[0] =
-		(1ULL << SYM_LSB(DCACtrlB, RcvHdrq0DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlB, RcvHdrq1DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlB, RcvHdrq2DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlB, RcvHdrq3DCAXfrCnt));
-	cspec->dca_rcvhdr_ctrl[1] =
-		(1ULL << SYM_LSB(DCACtrlC, RcvHdrq4DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlC, RcvHdrq5DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlC, RcvHdrq6DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlC, RcvHdrq7DCAXfrCnt));
-	cspec->dca_rcvhdr_ctrl[2] =
-		(1ULL << SYM_LSB(DCACtrlD, RcvHdrq8DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlD, RcvHdrq9DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlD, RcvHdrq10DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlD, RcvHdrq11DCAXfrCnt));
-	cspec->dca_rcvhdr_ctrl[3] =
-		(1ULL << SYM_LSB(DCACtrlE, RcvHdrq12DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlE, RcvHdrq13DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlE, RcvHdrq14DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlE, RcvHdrq15DCAXfrCnt));
-	cspec->dca_rcvhdr_ctrl[4] =
-		(1ULL << SYM_LSB(DCACtrlF, RcvHdrq16DCAXfrCnt)) |
-		(1ULL << SYM_LSB(DCACtrlF, RcvHdrq17DCAXfrCnt));
-	for (i = 0; i < ARRAY_SIZE(cspec->sdma_cpu); i++)
-		qib_write_kreg(dd, KREG_IDX(DCACtrlB) + i,
-			       cspec->dca_rcvhdr_ctrl[i]);
-}
-
-#endif
-
 /*
  * Disable MSIx interrupt if enabled, call generic MSIx code
  * to cleanup, and clear pending MSIx interrupts.
@@ -2667,15 +2523,6 @@ static void qib_setup_7322_cleanup(struct qib_devdata *dd)
 {
 	int i;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-	if (dd->flags & QIB_DCA_ENABLED) {
-		dca_remove_requester(&dd->pcidev->dev);
-		dd->flags &= ~QIB_DCA_ENABLED;
-		dd->cspec->dca_ctrl = 0;
-		qib_write_kreg(dd, KREG_IDX(DCACtrlA), dd->cspec->dca_ctrl);
-	}
-#endif
-
 	qib_7322_free_irq(dd);
 	kfree(dd->cspec->cntrs);
 	kfree(dd->cspec->sendchkenable);
@@ -2983,11 +2830,6 @@ static irqreturn_t qib_7322pintr(int irq, void *data)
 	if (dd->int_counter != (u32) -1)
 		dd->int_counter++;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-	if (dd->flags & QIB_DCA_ENABLED)
-		qib_update_rhdrq_dca(rcd);
-#endif
-
 	/* Clear the interrupt bit we expect to be set. */
 	qib_write_kreg(dd, kr_intclear, ((1ULL << QIB_I_RCVAVAIL_LSB) |
 		       (1ULL << QIB_I_RCVURG_LSB)) << rcd->ctxt);
@@ -3051,11 +2893,6 @@ static irqreturn_t sdma_intr(int irq, void *data)
 	if (dd->int_counter != (u32) -1)
 		dd->int_counter++;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-	if (dd->flags & QIB_DCA_ENABLED)
-		qib_update_sdma_dca(ppd);
-#endif
-
 	/* Clear the interrupt bit we expect to be set. */
 	qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
 		       INT_MASK_P(SDma, 1) : INT_MASK_P(SDma, 0));
@@ -3085,11 +2922,6 @@ static irqreturn_t sdma_idle_intr(int irq, void *data)
 	if (dd->int_counter != (u32) -1)
 		dd->int_counter++;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-	if (dd->flags & QIB_DCA_ENABLED)
-		qib_update_sdma_dca(ppd);
-#endif
-
 	/* Clear the interrupt bit we expect to be set. */
 	qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
 		       INT_MASK_P(SDmaIdle, 1) : INT_MASK_P(SDmaIdle, 0));
@@ -3119,11 +2951,6 @@ static irqreturn_t sdma_progress_intr(int irq, void *data)
 	if (dd->int_counter != (u32) -1)
 		dd->int_counter++;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-	if (dd->flags & QIB_DCA_ENABLED)
-		qib_update_sdma_dca(ppd);
-#endif
-
 	/* Clear the interrupt bit we expect to be set. */
 	qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
 		       INT_MASK_P(SDmaProgress, 1) :
@@ -3154,11 +2981,6 @@ static irqreturn_t sdma_cleanup_intr(int irq, void *data)
 	if (dd->int_counter != (u32) -1)
 		dd->int_counter++;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-	if (dd->flags & QIB_DCA_ENABLED)
-		qib_update_sdma_dca(ppd);
-#endif
-
 	/* Clear the interrupt bit we expect to be set. */
 	qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
 		       INT_MASK_PM(SDmaCleanupDone, 1) :
@@ -4265,10 +4087,6 @@ static void rcvctrl_7322_mod(struct qib_pportdata *ppd, unsigned int op,
 		qib_write_kreg_ctxt(dd, krc_rcvhdraddr, ctxt,
 				    rcd->rcvhdrq_phys);
 		rcd->seq_cnt = 1;
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-		if (dd->flags & QIB_DCA_ENABLED)
-			qib_update_rhdrq_dca(rcd);
-#endif
 	}
 	if (op & QIB_RCVCTRL_CTXT_DIS)
 		ppd->p_rcvctrl &=
@@ -6893,13 +6711,6 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev,
 	/* clear diagctrl register, in case diags were running and crashed */
 	qib_write_kreg(dd, kr_hwdiagctrl, 0);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
-	ret = dca_add_requester(&pdev->dev);
-	if (!ret) {
-		dd->flags |= QIB_DCA_ENABLED;
-		qib_setup_dca(dd);
-	}
-#endif
 	goto bail;
 
 bail_cleanup:

From 1ba4f22c426ba04b00fd717318d50620c621a0e1 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@linux.intel.com>
Date: Thu, 27 May 2010 12:02:00 -0700
Subject: [PATCH 3504/3638] x86, cpufeature: Unbreak compile with gcc 3.x

gcc 3 is too braindamaged to be able to compile static_cpu_has() --
apparently it can't tell that a constant passed to an inline function
is still a constant -- so if we're using gcc 3, just use the dynamic
test.  This is bad for performance, but if you care about performance,
don't use an ancient, known-to-optimize-poorly compiler.

Reported-and-tested-by: Eric Dumazet <eric.dumazet@gmail.com>
LKML-Reference: <4BF2FF82.7090005@zytor.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/include/asm/cpufeature.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index dca9c545f44..46814591438 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -332,6 +332,7 @@ static __always_inline __pure bool __static_cpu_has(u8 bit)
 #endif
 }
 
+#if __GNUC__ >= 4
 #define static_cpu_has(bit)					\
 (								\
 	__builtin_constant_p(boot_cpu_has(bit)) ?		\
@@ -340,6 +341,12 @@ static __always_inline __pure bool __static_cpu_has(u8 bit)
 		__static_cpu_has(bit) :				\
 		boot_cpu_has(bit)				\
 )
+#else
+/*
+ * gcc 3.x is too stupid to do the static test; fall back to dynamic.
+ */
+#define static_cpu_has(bit) boot_cpu_has(bit)
+#endif
 
 #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */
 

From 45e0fffc8a7778282e6a1514a6ae3e7ae6545111 Mon Sep 17 00:00:00 2001
From: Andrey Vagin <avagin@openvz.org>
Date: Mon, 24 May 2010 12:15:33 -0700
Subject: [PATCH 3505/3638] posix_timer: Fix error path in timer_create

Move CLOCK_DISPATCH(which_clock, timer_create, (new_timer)) after all
posible EFAULT erros.

*_timer_create may allocate/get resources.
(for example posix_cpu_timer_create does get_task_struct)

[ tglx: fold the remove crappy comment patch into this ]

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: <stable@kernel.org>
Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 00d1fda58ab..ad723420acc 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -559,14 +559,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock,
 	new_timer->it_id = (timer_t) new_timer_id;
 	new_timer->it_clock = which_clock;
 	new_timer->it_overrun = -1;
-	error = CLOCK_DISPATCH(which_clock, timer_create, (new_timer));
-	if (error)
-		goto out;
 
-	/*
-	 * return the timer_id now.  The next step is hard to
-	 * back out if there is an error.
-	 */
 	if (copy_to_user(created_timer_id,
 			 &new_timer_id, sizeof (new_timer_id))) {
 		error = -EFAULT;
@@ -597,6 +590,10 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock,
 	new_timer->sigq->info.si_tid   = new_timer->it_id;
 	new_timer->sigq->info.si_code  = SI_TIMER;
 
+	error = CLOCK_DISPATCH(which_clock, timer_create, (new_timer));
+	if (error)
+		goto out;
+
 	spin_lock_irq(&current->sighand->siglock);
 	new_timer->it_signal = current->signal;
 	list_add(&new_timer->list, &current->signal->posix_timers);

From 7b8ddb06e54ad98edeb7951f317aee4d1feda9d6 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 27 May 2010 15:21:26 -0700
Subject: [PATCH 3506/3638] DMAENGINE: DMA40 U8500 platform configuration

This completes the DMA40 support with the platform-specific
configuration for U8500/DB8500.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Reviewed-by: Alessandro Rubini <rubini@unipv.it>
Cc: STEricsson_nomadik_linux@list.st.com
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
[fixed up dma40_{tx|rx}_map declaration/initialization]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 arch/arm/mach-ux500/clock.c                   |   2 +-
 arch/arm/mach-ux500/cpu-db8500.c              |   4 +
 arch/arm/mach-ux500/devices-db8500.c          | 109 +++++++++++++
 .../arm/mach-ux500/include/mach/db8500-regs.h |  12 ++
 arch/arm/mach-ux500/include/mach/devices.h    |   3 +
 arch/arm/mach-ux500/ste-dma40-db8500.h        | 154 ++++++++++++++++++
 6 files changed, 283 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/mach-ux500/ste-dma40-db8500.h

diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c
index 1b2c9890e8b..6544855af2f 100644
--- a/arch/arm/mach-ux500/clock.c
+++ b/arch/arm/mach-ux500/clock.c
@@ -411,7 +411,7 @@ static struct clk_lookup u8500_common_clks[] = {
 	CLK(apetraceclk,	"apetrace",	NULL),
 	CLK(mcdeclk,	"mcde",		NULL),
 	CLK(ipi2clk,	"ipi2",		NULL),
-	CLK(dmaclk,	"dma40",	NULL),
+	CLK(dmaclk,	"dma40.0",	NULL),
 	CLK(b2r2clk,	"b2r2",		NULL),
 	CLK(tvclk,	"tv",		NULL),
 };
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index d04299f3b6b..f21c444edd9 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -32,6 +32,7 @@ static struct platform_device *platform_devs[] __initdata = {
 	&u8500_gpio_devs[6],
 	&u8500_gpio_devs[7],
 	&u8500_gpio_devs[8],
+	&u8500_dma40_device,
 };
 
 /* minimum static i/o mapping required to boot U8500 platforms */
@@ -71,6 +72,9 @@ void __init u8500_init_devices(void)
 {
 	ux500_init_devices();
 
+	if (cpu_is_u8500ed())
+		dma40_u8500ed_fixup();
+
 	/* Register the platform devices */
 	platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
 
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index 20334236afc..82290342194 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -12,9 +12,13 @@
 #include <linux/gpio.h>
 #include <linux/amba/bus.h>
 
+#include <plat/ste_dma40.h>
+
 #include <mach/hardware.h>
 #include <mach/setup.h>
 
+#include "ste-dma40-db8500.h"
+
 static struct nmk_gpio_platform_data u8500_gpio_data[] = {
 	GPIO_DATA("GPIO-0-31", 0),
 	GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
@@ -105,3 +109,108 @@ struct platform_device u8500_i2c4_device = {
 	.resource	= u8500_i2c4_resources,
 	.num_resources	= ARRAY_SIZE(u8500_i2c4_resources),
 };
+
+static struct resource dma40_resources[] = {
+	[0] = {
+		.start = U8500_DMA_BASE,
+		.end = U8500_DMA_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+		.name = "base",
+	},
+	[1] = {
+		.start = U8500_DMA_LCPA_BASE,
+		.end = U8500_DMA_LCPA_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+		.name = "lcpa",
+	},
+	[2] = {
+		.start = U8500_DMA_LCLA_BASE,
+		.end = U8500_DMA_LCLA_BASE + 16 * 1024 - 1,
+		.flags = IORESOURCE_MEM,
+		.name = "lcla",
+	},
+	[3] = {
+		.start = IRQ_DMA,
+		.end = IRQ_DMA,
+		.flags = IORESOURCE_IRQ}
+};
+
+/* Default configuration for physcial memcpy */
+struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
+	.channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE |
+			 STEDMA40_LOW_PRIORITY_CHANNEL |
+			 STEDMA40_PCHAN_BASIC_MODE),
+	.dir = STEDMA40_MEM_TO_MEM,
+
+	.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
+	.src_info.data_width = STEDMA40_BYTE_WIDTH,
+	.src_info.psize = STEDMA40_PSIZE_PHY_1,
+
+	.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
+	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dst_info.psize = STEDMA40_PSIZE_PHY_1,
+
+};
+/* Default configuration for logical memcpy */
+struct stedma40_chan_cfg dma40_memcpy_conf_log = {
+	.channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE |
+			 STEDMA40_LOW_PRIORITY_CHANNEL |
+			 STEDMA40_LCHAN_SRC_LOG_DST_LOG |
+			 STEDMA40_NO_TIM_FOR_LINK),
+	.dir = STEDMA40_MEM_TO_MEM,
+
+	.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
+	.src_info.data_width = STEDMA40_BYTE_WIDTH,
+	.src_info.psize = STEDMA40_PSIZE_LOG_1,
+
+	.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
+	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dst_info.psize = STEDMA40_PSIZE_LOG_1,
+
+};
+
+/*
+ * Mapping between destination event lines and physical device address.
+ * The event line is tied to a device and therefor the address is constant.
+ */
+static const dma_addr_t dma40_tx_map[STEDMA40_NR_DEV];
+
+/* Mapping between source event lines and physical device address */
+static const dma_addr_t dma40_rx_map[STEDMA40_NR_DEV];
+
+/* Reserved event lines for memcpy only */
+static int dma40_memcpy_event[] = {
+	STEDMA40_MEMCPY_TX_1,
+	STEDMA40_MEMCPY_TX_2,
+	STEDMA40_MEMCPY_TX_3,
+	STEDMA40_MEMCPY_TX_4,
+};
+
+static struct stedma40_platform_data dma40_plat_data = {
+	.dev_len = STEDMA40_NR_DEV,
+	.dev_rx = dma40_rx_map,
+	.dev_tx = dma40_tx_map,
+	.memcpy = dma40_memcpy_event,
+	.memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
+	.memcpy_conf_phy = &dma40_memcpy_conf_phy,
+	.memcpy_conf_log = &dma40_memcpy_conf_log,
+	.llis_per_log = 8,
+};
+
+struct platform_device u8500_dma40_device = {
+	.dev = {
+		.platform_data = &dma40_plat_data,
+	},
+	.name = "dma40",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(dma40_resources),
+	.resource = dma40_resources
+};
+
+void dma40_u8500ed_fixup(void)
+{
+	dma40_plat_data.memcpy = NULL;
+	dma40_plat_data.memcpy_len = 0;
+	dma40_resources[0].start = U8500_DMA_BASE_ED;
+	dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1;
+}
diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/include/mach/db8500-regs.h
index 9169e1e382a..85fc6a80b38 100644
--- a/arch/arm/mach-ux500/include/mach/db8500-regs.h
+++ b/arch/arm/mach-ux500/include/mach/db8500-regs.h
@@ -7,6 +7,18 @@
 #ifndef __MACH_DB8500_REGS_H
 #define __MACH_DB8500_REGS_H
 
+/* Base address and bank offsets for ESRAM */
+#define U8500_ESRAM_BASE	0x40000000
+#define U8500_ESRAM_BANK_SIZE	0x00020000
+#define U8500_ESRAM_BANK0	U8500_ESRAM_BASE
+#define U8500_ESRAM_BANK1	(U8500_ESRAM_BASE + U8500_ESRAM_BANK_SIZE)
+#define U8500_ESRAM_BANK2	(U8500_ESRAM_BANK1 + U8500_ESRAM_BANK_SIZE)
+#define U8500_ESRAM_BANK3	(U8500_ESRAM_BANK2 + U8500_ESRAM_BANK_SIZE)
+#define U8500_ESRAM_BANK4	(U8500_ESRAM_BANK3 + U8500_ESRAM_BANK_SIZE)
+/* Use bank 4 for DMA LCLA and LCPA */
+#define U8500_DMA_LCLA_BASE	U8500_ESRAM_BANK4
+#define U8500_DMA_LCPA_BASE	(U8500_ESRAM_BANK4 + 0x4000)
+
 #define U8500_PER3_BASE		0x80000000
 #define U8500_STM_BASE		0x80100000
 #define U8500_STM_REG_BASE	(U8500_STM_BASE + 0xF000)
diff --git a/arch/arm/mach-ux500/include/mach/devices.h b/arch/arm/mach-ux500/include/mach/devices.h
index 0422af00a56..c2b2f257494 100644
--- a/arch/arm/mach-ux500/include/mach/devices.h
+++ b/arch/arm/mach-ux500/include/mach/devices.h
@@ -25,5 +25,8 @@ extern struct platform_device ux500_i2c3_device;
 
 extern struct platform_device u8500_i2c0_device;
 extern struct platform_device u8500_i2c4_device;
+extern struct platform_device u8500_dma40_device;
+
+void dma40_u8500ed_fixup(void);
 
 #endif
diff --git a/arch/arm/mach-ux500/ste-dma40-db8500.h b/arch/arm/mach-ux500/ste-dma40-db8500.h
new file mode 100644
index 00000000000..e7016278dfa
--- /dev/null
+++ b/arch/arm/mach-ux500/ste-dma40-db8500.h
@@ -0,0 +1,154 @@
+/*
+ * arch/arm/mach-ux500/ste_dma40_db8500.h
+ * DB8500-SoC-specific configuration for DMA40
+ *
+ * Copyright (C) ST-Ericsson 2007-2010
+ * License terms: GNU General Public License (GPL) version 2
+ * Author: Per Friden <per.friden@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ */
+#ifndef STE_DMA40_DB8500_H
+#define STE_DMA40_DB8500_H
+
+#define STEDMA40_NR_DEV 64
+
+enum dma_src_dev_type {
+	STEDMA40_DEV_SPI0_RX = 0,
+	STEDMA40_DEV_SD_MMC0_RX = 1,
+	STEDMA40_DEV_SD_MMC1_RX = 2,
+	STEDMA40_DEV_SD_MMC2_RX = 3,
+	STEDMA40_DEV_I2C1_RX = 4,
+	STEDMA40_DEV_I2C3_RX = 5,
+	STEDMA40_DEV_I2C2_RX = 6,
+	STEDMA40_DEV_I2C4_RX = 7, /* Only on V1 */
+	STEDMA40_DEV_SSP0_RX = 8,
+	STEDMA40_DEV_SSP1_RX = 9,
+	STEDMA40_DEV_MCDE_RX = 10,
+	STEDMA40_DEV_UART2_RX = 11,
+	STEDMA40_DEV_UART1_RX = 12,
+	STEDMA40_DEV_UART0_RX = 13,
+	STEDMA40_DEV_MSP2_RX = 14,
+	STEDMA40_DEV_I2C0_RX = 15,
+	STEDMA40_DEV_USB_OTG_IEP_8 = 16,
+	STEDMA40_DEV_USB_OTG_IEP_1_9 = 17,
+	STEDMA40_DEV_USB_OTG_IEP_2_10 = 18,
+	STEDMA40_DEV_USB_OTG_IEP_3_11 = 19,
+	STEDMA40_DEV_SLIM0_CH0_RX_HSI_RX_CH0 = 20,
+	STEDMA40_DEV_SLIM0_CH1_RX_HSI_RX_CH1 = 21,
+	STEDMA40_DEV_SLIM0_CH2_RX_HSI_RX_CH2 = 22,
+	STEDMA40_DEV_SLIM0_CH3_RX_HSI_RX_CH3 = 23,
+	STEDMA40_DEV_SRC_SXA0_RX_TX = 24,
+	STEDMA40_DEV_SRC_SXA1_RX_TX = 25,
+	STEDMA40_DEV_SRC_SXA2_RX_TX = 26,
+	STEDMA40_DEV_SRC_SXA3_RX_TX = 27,
+	STEDMA40_DEV_SD_MM2_RX = 28,
+	STEDMA40_DEV_SD_MM0_RX = 29,
+	STEDMA40_DEV_MSP1_RX = 30,
+	/*
+	 * This channel is either SlimBus or MSP,
+	 * never both at the same time.
+	 */
+	STEDMA40_SLIM0_CH0_RX = 31,
+	STEDMA40_DEV_MSP0_RX = 31,
+	STEDMA40_DEV_SD_MM1_RX = 32,
+	STEDMA40_DEV_SPI2_RX = 33,
+	STEDMA40_DEV_I2C3_RX2 = 34,
+	STEDMA40_DEV_SPI1_RX = 35,
+	STEDMA40_DEV_USB_OTG_IEP_4_12 = 36,
+	STEDMA40_DEV_USB_OTG_IEP_5_13 = 37,
+	STEDMA40_DEV_USB_OTG_IEP_6_14 = 38,
+	STEDMA40_DEV_USB_OTG_IEP_7_15 = 39,
+	STEDMA40_DEV_SPI3_RX = 40,
+	STEDMA40_DEV_SD_MM3_RX = 41,
+	STEDMA40_DEV_SD_MM4_RX = 42,
+	STEDMA40_DEV_SD_MM5_RX = 43,
+	STEDMA40_DEV_SRC_SXA4_RX_TX = 44,
+	STEDMA40_DEV_SRC_SXA5_RX_TX = 45,
+	STEDMA40_DEV_SRC_SXA6_RX_TX = 46,
+	STEDMA40_DEV_SRC_SXA7_RX_TX = 47,
+	STEDMA40_DEV_CAC1_RX = 48,
+	/* RX channels 49 and 50 are unused */
+	STEDMA40_DEV_MSHC_RX = 51,
+	STEDMA40_DEV_SLIM1_CH0_RX_HSI_RX_CH4 = 52,
+	STEDMA40_DEV_SLIM1_CH1_RX_HSI_RX_CH5 = 53,
+	STEDMA40_DEV_SLIM1_CH2_RX_HSI_RX_CH6 = 54,
+	STEDMA40_DEV_SLIM1_CH3_RX_HSI_RX_CH7 = 55,
+	/* RX channels 56 thru 60 are unused */
+	STEDMA40_DEV_CAC0_RX = 61,
+	/* RX channels 62 and 63 are unused */
+};
+
+enum dma_dest_dev_type {
+	STEDMA40_DEV_SPI0_TX = 0,
+	STEDMA40_DEV_SD_MMC0_TX = 1,
+	STEDMA40_DEV_SD_MMC1_TX = 2,
+	STEDMA40_DEV_SD_MMC2_TX = 3,
+	STEDMA40_DEV_I2C1_TX = 4,
+	STEDMA40_DEV_I2C3_TX = 5,
+	STEDMA40_DEV_I2C2_TX = 6,
+	STEDMA50_DEV_I2C4_TX = 7, /* Only on V1 */
+	STEDMA40_DEV_SSP0_TX = 8,
+	STEDMA40_DEV_SSP1_TX = 9,
+	/* TX channel 10 is unused */
+	STEDMA40_DEV_UART2_TX = 11,
+	STEDMA40_DEV_UART1_TX = 12,
+	STEDMA40_DEV_UART0_TX= 13,
+	STEDMA40_DEV_MSP2_TX = 14,
+	STEDMA40_DEV_I2C0_TX = 15,
+	STEDMA40_DEV_USB_OTG_OEP_8 = 16,
+	STEDMA40_DEV_USB_OTG_OEP_1_9 = 17,
+	STEDMA40_DEV_USB_OTG_OEP_2_10= 18,
+	STEDMA40_DEV_USB_OTG_OEP_3_11 = 19,
+	STEDMA40_DEV_SLIM0_CH0_TX_HSI_TX_CH0 = 20,
+	STEDMA40_DEV_SLIM0_CH1_TX_HSI_TX_CH1 = 21,
+	STEDMA40_DEV_SLIM0_CH2_TX_HSI_TX_CH2 = 22,
+	STEDMA40_DEV_SLIM0_CH3_TX_HSI_TX_CH3 = 23,
+	STEDMA40_DEV_DST_SXA0_RX_TX = 24,
+	STEDMA40_DEV_DST_SXA1_RX_TX = 25,
+	STEDMA40_DEV_DST_SXA2_RX_TX = 26,
+	STEDMA40_DEV_DST_SXA3_RX_TX = 27,
+	STEDMA40_DEV_SD_MM2_TX = 28,
+	STEDMA40_DEV_SD_MM0_TX = 29,
+	STEDMA40_DEV_MSP1_TX = 30,
+	/*
+	 * This channel is either SlimBus or MSP,
+	 * never both at the same time.
+	 */
+	STEDMA40_SLIM0_CH0_TX = 31,
+	STEDMA40_DEV_MSP0_TX = 31,
+	STEDMA40_DEV_SD_MM1_TX = 32,
+	STEDMA40_DEV_SPI2_TX = 33,
+	/* Secondary I2C3 channel */
+	STEDMA40_DEV_I2C3_TX2 = 34,
+	STEDMA40_DEV_SPI1_TX = 35,
+	STEDMA40_DEV_USB_OTG_OEP_4_12 = 36,
+	STEDMA40_DEV_USB_OTG_OEP_5_13 = 37,
+	STEDMA40_DEV_USB_OTG_OEP_6_14 = 38,
+	STEDMA40_DEV_USB_OTG_OEP_7_15 = 39,
+	STEDMA40_DEV_SPI3_TX = 40,
+	STEDMA40_DEV_SD_MM3_TX = 41,
+	STEDMA40_DEV_SD_MM4_TX = 42,
+	STEDMA40_DEV_SD_MM5_TX = 43,
+	STEDMA40_DEV_DST_SXA4_RX_TX = 44,
+	STEDMA40_DEV_DST_SXA5_RX_TX = 45,
+	STEDMA40_DEV_DST_SXA6_RX_TX = 46,
+	STEDMA40_DEV_DST_SXA7_RX_TX = 47,
+	STEDMA40_DEV_CAC1_TX = 48,
+	STEDMA40_DEV_CAC1_TX_HAC1_TX = 49,
+	STEDMA40_DEV_HAC1_TX = 50,
+	STEDMA40_MEMXCPY_TX_0 = 51,
+	STEDMA40_DEV_SLIM1_CH0_TX_HSI_TX_CH4 = 52,
+	STEDMA40_DEV_SLIM1_CH1_TX_HSI_TX_CH5 = 53,
+	STEDMA40_DEV_SLIM1_CH2_TX_HSI_TX_CH6 = 54,
+	STEDMA40_DEV_SLIM1_CH3_TX_HSI_TX_CH7 = 55,
+	STEDMA40_MEMCPY_TX_1 = 56,
+	STEDMA40_MEMCPY_TX_2 = 57,
+	STEDMA40_MEMCPY_TX_3 = 58,
+	STEDMA40_MEMCPY_TX_4 = 59,
+	STEDMA40_MEMCPY_TX_5 = 60,
+	STEDMA40_DEV_CAC0_TX = 61,
+	STEDMA40_DEV_CAC0_TX_HAC0_TX = 62,
+	STEDMA40_DEV_HAC0_TX = 63,
+};
+
+#endif

From 4ec37de89d8c758ee8115e0e64b3f994910789ee Mon Sep 17 00:00:00 2001
From: Tony Luck <tony.luck@intel.com>
Date: Thu, 27 May 2010 15:35:13 -0700
Subject: [PATCH 3507/3638] [IA64] Fix build breakage
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

In commit 0ac0c0d0f837c499afd02a802f9cf52d3027fa3b
cpusets: randomize node rotor used in cpuset_mem_spread_node()

Jack Steiner fixed a problem with too many small tasks being
assigned to node 0. Copy his code to ia64 to avoid build error.

    arch/ia64/kernel/smpboot.c:641: error: ‘cpu_to_node_map’ undeclared (first use in this function)

In commit 3bccd996276b108c138e8176793a26ecef54d573
numa: ia64: use generic percpu var numa_node_id() implementation

Lee Schermerhorn added some set_numa_node() calls - but these
only work on CONFIG_NUMA=y configurations. Surround the calls
with #ifdef CONFIG_NUMA

Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/kernel/smpboot.c |  4 ++++
 arch/ia64/mm/numa.c        | 17 +++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 518e876a410..6a1380e90f8 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -390,11 +390,13 @@ smp_callin (void)
 
 	fix_b0_for_bsp();
 
+#ifdef CONFIG_NUMA
 	/*
 	 * numa_node_id() works after this.
 	 */
 	set_numa_node(cpu_to_node_map[cpuid]);
 	set_numa_mem(local_memory_node(cpu_to_node_map[cpuid]));
+#endif
 
 	ipi_call_lock_irq();
 	spin_lock(&vector_lock);
@@ -638,7 +640,9 @@ void __devinit smp_prepare_boot_cpu(void)
 {
 	cpu_set(smp_processor_id(), cpu_online_map);
 	cpu_set(smp_processor_id(), cpu_callin_map);
+#ifdef CONFIG_NUMA
 	set_numa_node(cpu_to_node_map[smp_processor_id()]);
+#endif
 	per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
 	paravirt_post_smp_prepare_boot_cpu();
 }
diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c
index 3efea7d0a35..2437718bd6b 100644
--- a/arch/ia64/mm/numa.c
+++ b/arch/ia64/mm/numa.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/bootmem.h>
 #include <linux/module.h>
+#include <linux/random.h>
 #include <asm/mmzone.h>
 #include <asm/numa.h>
 
@@ -50,6 +51,22 @@ paddr_to_nid(unsigned long paddr)
 	return (i < num_node_memblks) ? node_memblk[i].nid : (num_node_memblks ? -1 : 0);
 }
 
+/*
+ * Return the bit number of a random bit set in the nodemask.
+ *   (returns -1 if nodemask is empty)
+ */
+int __node_random(const nodemask_t *maskp)
+{
+	int w, bit = -1;
+
+	w = nodes_weight(*maskp);
+	if (w)
+		bit = bitmap_ord_to_pos(maskp->bits,
+			get_random_int() % w, MAX_NUMNODES);
+	return bit;
+}
+EXPORT_SYMBOL(__node_random);
+
 #if defined(CONFIG_SPARSEMEM) && defined(CONFIG_NUMA)
 /*
  * Because of holes evaluate on section limits.

From 9ad285d6db6e04c1c51c79152d2214fffefc92ab Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 19 Mar 2010 12:46:28 +0100
Subject: [PATCH 3508/3638] mfd: Check t7l66 platform_data pointer

We should check for pdata being not NULL before dereferencing it.

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/t7l66xb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index da6383a934a..5041d33adf0 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -318,6 +318,9 @@ static int t7l66xb_probe(struct platform_device *dev)
 	struct resource *iomem, *rscr;
 	int ret;
 
+	if (pdata == NULL)
+		return -EINVAL;
+
 	iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	if (!iomem)
 		return -EINVAL;

From d84027bc4d176a0c06e8f62a9f7a002bdd444012 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Richard=20R=C3=B6jfors?= <richard.rojfors@pelagicore.com>
Date: Tue, 16 Mar 2010 10:43:28 +0100
Subject: [PATCH 3509/3638] mfd: Add in XIIC to some configurations of
 timberdale
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This patch adds in the Xilinx I2C bus driver to some of the
configurations of the timberdale MFD.

It provides the I2C devices to the XIIC via platform data in a
similar way as done to the ocores driver.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/timberdale.c | 41 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c
index 7f478ec4184..1ac77d16dce 100644
--- a/drivers/mfd/timberdale.c
+++ b/drivers/mfd/timberdale.c
@@ -31,6 +31,7 @@
 
 #include <linux/i2c.h>
 #include <linux/i2c-ocores.h>
+#include <linux/i2c-xiic.h>
 #include <linux/i2c/tsc2007.h>
 
 #include <linux/spi/spi.h>
@@ -69,6 +70,12 @@ static struct i2c_board_info timberdale_i2c_board_info[] = {
 	},
 };
 
+static __devinitdata struct xiic_i2c_platform_data
+timberdale_xiic_platform_data = {
+	.devices = timberdale_i2c_board_info,
+	.num_devices = ARRAY_SIZE(timberdale_i2c_board_info)
+};
+
 static __devinitdata struct ocores_i2c_platform_data
 timberdale_ocores_platform_data = {
 	.regstep = 4,
@@ -77,6 +84,19 @@ timberdale_ocores_platform_data = {
 	.num_devices = ARRAY_SIZE(timberdale_i2c_board_info)
 };
 
+const static __devinitconst struct resource timberdale_xiic_resources[] = {
+	{
+		.start	= XIICOFFSET,
+		.end	= XIICEND,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= IRQ_TIMBERDALE_I2C,
+		.end	= IRQ_TIMBERDALE_I2C,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
 const static __devinitconst struct resource timberdale_ocores_resources[] = {
 	{
 		.start	= OCORESOFFSET,
@@ -269,6 +289,13 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = {
 		.num_resources = ARRAY_SIZE(timberdale_uart_resources),
 		.resources = timberdale_uart_resources,
 	},
+	{
+		.name = "xiic-i2c",
+		.num_resources = ARRAY_SIZE(timberdale_xiic_resources),
+		.resources = timberdale_xiic_resources,
+		.platform_data = &timberdale_xiic_platform_data,
+		.data_size = sizeof(timberdale_xiic_platform_data),
+	},
 	{
 		.name = "timb-gpio",
 		.num_resources = ARRAY_SIZE(timberdale_gpio_resources),
@@ -313,6 +340,13 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = {
 		.num_resources = ARRAY_SIZE(timberdale_uartlite_resources),
 		.resources = timberdale_uartlite_resources,
 	},
+	{
+		.name = "xiic-i2c",
+		.num_resources = ARRAY_SIZE(timberdale_xiic_resources),
+		.resources = timberdale_xiic_resources,
+		.platform_data = &timberdale_xiic_platform_data,
+		.data_size = sizeof(timberdale_xiic_platform_data),
+	},
 	{
 		.name = "timb-gpio",
 		.num_resources = ARRAY_SIZE(timberdale_gpio_resources),
@@ -357,6 +391,13 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = {
 		.num_resources = ARRAY_SIZE(timberdale_uart_resources),
 		.resources = timberdale_uart_resources,
 	},
+	{
+		.name = "xiic-i2c",
+		.num_resources = ARRAY_SIZE(timberdale_xiic_resources),
+		.resources = timberdale_xiic_resources,
+		.platform_data = &timberdale_xiic_platform_data,
+		.data_size = sizeof(timberdale_xiic_platform_data),
+	},
 	{
 		.name = "timb-gpio",
 		.num_resources = ARRAY_SIZE(timberdale_gpio_resources),

From f322d5f0097333343bfd92b47258ee997c889263 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 20 Mar 2010 15:12:54 +0100
Subject: [PATCH 3510/3638] mfd: Fix dangling pointers

Fix I2C-drivers which missed setting clientdata to NULL before freeing the
structure it points to. Also fix drivers which do this _after_ the structure
was freed already.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/88pm860x-i2c.c  | 1 +
 drivers/mfd/ab3100-core.c   | 2 ++
 drivers/mfd/da903x.c        | 1 +
 drivers/mfd/menelaus.c      | 3 ++-
 drivers/mfd/pcf50633-core.c | 1 +
 drivers/mfd/tps65010.c      | 2 +-
 drivers/mfd/wm8350-i2c.c    | 2 ++
 7 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c
index 4a6e7186334..b0bade1881d 100644
--- a/drivers/mfd/88pm860x-i2c.c
+++ b/drivers/mfd/88pm860x-i2c.c
@@ -202,6 +202,7 @@ static int __devexit pm860x_remove(struct i2c_client *client)
 	i2c_unregister_device(chip->companion);
 	i2c_set_clientdata(chip->companion, NULL);
 	i2c_set_clientdata(chip->client, NULL);
+	i2c_set_clientdata(client, NULL);
 	kfree(chip);
 	return 0;
 }
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index e4ca5909e42..16898211cd1 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -920,6 +920,7 @@ static int __init ab3100_probe(struct i2c_client *client,
 	i2c_unregister_device(ab3100->testreg_client);
  exit_no_testreg_client:
  exit_no_detect:
+	i2c_set_clientdata(client, NULL);
 	kfree(ab3100);
 	return err;
 }
@@ -941,6 +942,7 @@ static int __exit ab3100_remove(struct i2c_client *client)
 	 * their notifiers so deactivate IRQ
 	 */
 	free_irq(client->irq, ab3100);
+	i2c_set_clientdata(client, NULL);
 	kfree(ab3100);
 	return 0;
 }
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 67181b147ab..3ad915d0589 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -544,6 +544,7 @@ static int __devexit da903x_remove(struct i2c_client *client)
 	struct da903x_chip *chip = i2c_get_clientdata(client);
 
 	da903x_remove_subdevs(chip);
+	i2c_set_clientdata(client, NULL);
 	kfree(chip);
 	return 0;
 }
diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c
index a94b131a18e..721948be12c 100644
--- a/drivers/mfd/menelaus.c
+++ b/drivers/mfd/menelaus.c
@@ -1228,6 +1228,7 @@ fail2:
 	free_irq(client->irq, menelaus);
 	flush_scheduled_work();
 fail1:
+	i2c_set_clientdata(client, NULL);
 	kfree(menelaus);
 	return err;
 }
@@ -1237,8 +1238,8 @@ static int __exit menelaus_remove(struct i2c_client *client)
 	struct menelaus_chip	*menelaus = i2c_get_clientdata(client);
 
 	free_irq(client->irq, menelaus);
-	kfree(menelaus);
 	i2c_set_clientdata(client, NULL);
+	kfree(menelaus);
 	the_menelaus = NULL;
 	return 0;
 }
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index dc95ddb708f..710e417e0ee 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -679,6 +679,7 @@ static int __devexit pcf50633_remove(struct i2c_client *client)
 	for (i = 0; i < PCF50633_NUM_REGULATORS; i++)
 		platform_device_unregister(pcf->regulator_pdev[i]);
 
+	i2c_set_clientdata(client, NULL);
 	kfree(pcf);
 
 	return 0;
diff --git a/drivers/mfd/tps65010.c b/drivers/mfd/tps65010.c
index e5955306c2f..9b22a77f70f 100644
--- a/drivers/mfd/tps65010.c
+++ b/drivers/mfd/tps65010.c
@@ -530,8 +530,8 @@ static int __exit tps65010_remove(struct i2c_client *client)
 	cancel_delayed_work(&tps->work);
 	flush_scheduled_work();
 	debugfs_remove(tps->file);
-	kfree(tps);
 	i2c_set_clientdata(client, NULL);
+	kfree(tps);
 	the_tps = NULL;
 	return 0;
 }
diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c
index 65830f57c09..aa3ba0974ee 100644
--- a/drivers/mfd/wm8350-i2c.c
+++ b/drivers/mfd/wm8350-i2c.c
@@ -82,6 +82,7 @@ static int wm8350_i2c_probe(struct i2c_client *i2c,
 	return ret;
 
 err:
+	i2c_set_clientdata(i2c, NULL);
 	kfree(wm8350);
 	return ret;
 }
@@ -91,6 +92,7 @@ static int wm8350_i2c_remove(struct i2c_client *i2c)
 	struct wm8350 *wm8350 = i2c_get_clientdata(i2c);
 
 	wm8350_device_exit(wm8350);
+	i2c_set_clientdata(i2c, NULL);
 	kfree(wm8350);
 
 	return 0;

From e090d506c3f1b314059fb77b177cd4193bb81d6e Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 21 Mar 2010 01:06:05 +0100
Subject: [PATCH 3511/3638] mfd: Add support for the RDC321x southbridge

This patch adds a new MFD driver for the RDC321x southbridge. This southbridge
is always present in the RDC321x System-on-a-Chip and provides access to some
GPIOs as well as a watchdog. Access to these two functions is done using the
southbridge PCI device configuration space.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Kconfig               |   9 +++
 drivers/mfd/Makefile              |   3 +-
 drivers/mfd/rdc321x-southbridge.c | 123 ++++++++++++++++++++++++++++++
 include/linux/mfd/rdc321x.h       |  26 +++++++
 4 files changed, 160 insertions(+), 1 deletion(-)
 create mode 100644 drivers/mfd/rdc321x-southbridge.c
 create mode 100644 include/linux/mfd/rdc321x.h

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 3c6a9860dd9..93d0e31c043 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -409,6 +409,15 @@ config LPC_SCH
 	  LPC bridge function of the Intel SCH provides support for
 	  System Management Bus and General Purpose I/O.
 
+config MFD_RDC321X
+	tristate "Support for RDC-R321x southbridge"
+	select MFD_CORE
+	depends on PCI
+	help
+	  Say yes here if you want to have support for the RDC R-321x SoC
+	  southbridge which provides access to GPIOs and Watchdog using the
+	  southbridge PCI device configuration space.
+
 endmenu
 
 menu "Multimedia Capabilities Port drivers"
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 87935f967aa..f177e064b31 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -63,4 +63,5 @@ obj-$(CONFIG_AB3100_OTP)	+= ab3100-otp.o
 obj-$(CONFIG_AB4500_CORE)	+= ab4500-core.o
 obj-$(CONFIG_MFD_TIMBERDALE)    += timberdale.o
 obj-$(CONFIG_PMIC_ADP5520)	+= adp5520.o
-obj-$(CONFIG_LPC_SCH)		+= lpc_sch.o
\ No newline at end of file
+obj-$(CONFIG_LPC_SCH)		+= lpc_sch.o
+obj-$(CONFIG_MFD_RDC321X)	+= rdc321x-southbridge.o
diff --git a/drivers/mfd/rdc321x-southbridge.c b/drivers/mfd/rdc321x-southbridge.c
new file mode 100644
index 00000000000..256dd560bd4
--- /dev/null
+++ b/drivers/mfd/rdc321x-southbridge.c
@@ -0,0 +1,123 @@
+/*
+ * RDC321x MFD southbrige driver
+ *
+ * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/rdc321x.h>
+
+static struct rdc321x_wdt_pdata rdc321x_wdt_pdata;
+
+static struct resource rdc321x_wdt_resource[] = {
+	{
+		.name	= "wdt-reg",
+		.start	= RDC321X_WDT_CTRL,
+		.end	= RDC321X_WDT_CTRL + 0x3,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = {
+	.max_gpios	= RDC321X_MAX_GPIO,
+};
+
+static struct resource rdc321x_gpio_resources[] = {
+	{
+		.name	= "gpio-reg1",
+		.start	= RDC321X_GPIO_CTRL_REG1,
+		.end	= RDC321X_GPIO_CTRL_REG1 + 0x7,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "gpio-reg2",
+		.start	= RDC321X_GPIO_CTRL_REG2,
+		.end	= RDC321X_GPIO_CTRL_REG2 + 0x7,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct mfd_cell rdc321x_sb_cells[] = {
+	{
+		.name		= "rdc321x-wdt",
+		.resources	= rdc321x_wdt_resource,
+		.num_resources	= ARRAY_SIZE(rdc321x_wdt_resource),
+		.driver_data	= &rdc321x_wdt_pdata,
+	}, {
+		.name		= "rdc321x-gpio",
+		.resources	= rdc321x_gpio_resources,
+		.num_resources	= ARRAY_SIZE(rdc321x_gpio_resources),
+		.driver_data	= &rdc321x_gpio_pdata,
+	},
+};
+
+static int __devinit rdc321x_sb_probe(struct pci_dev *pdev,
+					const struct pci_device_id *ent)
+{
+	int err;
+
+	err = pci_enable_device(pdev);
+	if (err) {
+		dev_err(&pdev->dev, "failed to enable device\n");
+		return err;
+	}
+
+	rdc321x_gpio_pdata.sb_pdev = pdev;
+	rdc321x_wdt_pdata.sb_pdev = pdev;
+
+	return mfd_add_devices(&pdev->dev, -1,
+		rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0);
+}
+
+static void __devexit rdc321x_sb_remove(struct pci_dev *pdev)
+{
+	mfd_remove_devices(&pdev->dev);
+}
+
+static DEFINE_PCI_DEVICE_TABLE(rdc321x_sb_table) = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) },
+	{}
+};
+
+static struct pci_driver rdc321x_sb_driver = {
+	.name		= "RDC321x Southbridge",
+	.id_table	= rdc321x_sb_table,
+	.probe		= rdc321x_sb_probe,
+	.remove		= __devexit_p(rdc321x_sb_remove),
+};
+
+static int __init rdc321x_sb_init(void)
+{
+	return pci_register_driver(&rdc321x_sb_driver);
+}
+
+static void __exit rdc321x_sb_exit(void)
+{
+	pci_unregister_driver(&rdc321x_sb_driver);
+}
+
+module_init(rdc321x_sb_init);
+module_exit(rdc321x_sb_exit);
+
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver");
diff --git a/include/linux/mfd/rdc321x.h b/include/linux/mfd/rdc321x.h
new file mode 100644
index 00000000000..4bdf19c8eed
--- /dev/null
+++ b/include/linux/mfd/rdc321x.h
@@ -0,0 +1,26 @@
+#ifndef __RDC321X_MFD_H
+#define __RDC321X_MFD_H
+
+#include <linux/types.h>
+#include <linux/pci.h>
+
+/* Offsets to be accessed in the southbridge PCI
+ * device configuration register */
+#define RDC321X_WDT_CTRL	0x44
+#define RDC321X_GPIO_CTRL_REG1	0x48
+#define RDC321X_GPIO_DATA_REG1	0x4c
+#define RDC321X_GPIO_CTRL_REG2	0x84
+#define RDC321X_GPIO_DATA_REG2	0x88
+
+#define RDC321X_MAX_GPIO	58
+
+struct rdc321x_gpio_pdata {
+	struct pci_dev *sb_pdev;
+	unsigned max_gpios;
+};
+
+struct rdc321x_wdt_pdata {
+	struct pci_dev *sb_pdev;
+};
+
+#endif /* __RDC321X_MFD_H */

From 9956d02d6e60f0c50632ba5699bc6238defb496b Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 21 Mar 2010 01:06:09 +0100
Subject: [PATCH 3512/3638] gpio: Add support for RDC321x GPIO controller

This patch adds a new GPIO driver for the RDC321x SoC GPIO controller.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/gpio/Kconfig        |   8 ++
 drivers/gpio/Makefile       |   3 +-
 drivers/gpio/rdc321x-gpio.c | 245 ++++++++++++++++++++++++++++++++++++
 3 files changed, 255 insertions(+), 1 deletion(-)
 create mode 100644 drivers/gpio/rdc321x-gpio.c

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 4fd0f276df5..56eb0c59c51 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -282,6 +282,14 @@ config GPIO_TIMBERDALE
 	---help---
 	Add support for the GPIO IP in the timberdale FPGA.
 
+config GPIO_RDC321X
+	tristate "RDC R-321x GPIO support"
+	depends on PCI && GPIOLIB
+	select MFD_RDC321X
+	help
+	  Support for the RDC R321x SoC GPIOs over southbridge
+	  PCI configuration space.
+
 comment "SPI GPIO expanders:"
 
 config GPIO_MAX7301
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 10f3f8d958b..d3226d395a9 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -27,4 +27,5 @@ obj-$(CONFIG_GPIO_VR41XX)	+= vr41xx_giu.o
 obj-$(CONFIG_GPIO_WM831X)	+= wm831x-gpio.o
 obj-$(CONFIG_GPIO_WM8350)	+= wm8350-gpiolib.o
 obj-$(CONFIG_GPIO_WM8994)	+= wm8994-gpio.o
-obj-$(CONFIG_GPIO_SCH)		+= sch_gpio.o
\ No newline at end of file
+obj-$(CONFIG_GPIO_SCH)		+= sch_gpio.o
+obj-$(CONFIG_GPIO_RDC321X)	+= rdc321x-gpio.o
diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/rdc321x-gpio.c
new file mode 100644
index 00000000000..46c55193b9d
--- /dev/null
+++ b/drivers/gpio/rdc321x-gpio.c
@@ -0,0 +1,245 @@
+/*
+ * RDC321x GPIO driver
+ *
+ * Copyright (C) 2008, Volker Weiss <dev@tintuc.de>
+ * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/gpio.h>
+#include <linux/mfd/rdc321x.h>
+
+struct rdc321x_gpio {
+	spinlock_t		lock;
+	struct pci_dev		*sb_pdev;
+	u32			data_reg[2];
+	int			reg1_ctrl_base;
+	int			reg1_data_base;
+	int			reg2_ctrl_base;
+	int			reg2_data_base;
+	struct gpio_chip	chip;
+};
+
+/* read GPIO pin */
+static int rdc_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+	struct rdc321x_gpio *gpch;
+	u32 value = 0;
+	int reg;
+
+	gpch = container_of(chip, struct rdc321x_gpio, chip);
+	reg = gpio < 32 ? gpch->reg1_data_base : gpch->reg2_data_base;
+
+	spin_lock(&gpch->lock);
+	pci_write_config_dword(gpch->sb_pdev, reg,
+					gpch->data_reg[gpio < 32 ? 0 : 1]);
+	pci_read_config_dword(gpch->sb_pdev, reg, &value);
+	spin_unlock(&gpch->lock);
+
+	return (1 << (gpio & 0x1f)) & value ? 1 : 0;
+}
+
+static void rdc_gpio_set_value_impl(struct gpio_chip *chip,
+				unsigned gpio, int value)
+{
+	struct rdc321x_gpio *gpch;
+	int reg = (gpio < 32) ? 0 : 1;
+
+	gpch = container_of(chip, struct rdc321x_gpio, chip);
+
+	if (value)
+		gpch->data_reg[reg] |= 1 << (gpio & 0x1f);
+	else
+		gpch->data_reg[reg] &= ~(1 << (gpio & 0x1f));
+
+	pci_write_config_dword(gpch->sb_pdev,
+			reg ? gpch->reg1_data_base : gpch->reg2_data_base,
+			gpch->data_reg[reg]);
+}
+
+/* set GPIO pin to value */
+static void rdc_gpio_set_value(struct gpio_chip *chip,
+				unsigned gpio, int value)
+{
+	struct rdc321x_gpio *gpch;
+
+	gpch = container_of(chip, struct rdc321x_gpio, chip);
+	spin_lock(&gpch->lock);
+	rdc_gpio_set_value_impl(chip, gpio, value);
+	spin_unlock(&gpch->lock);
+}
+
+static int rdc_gpio_config(struct gpio_chip *chip,
+				unsigned gpio, int value)
+{
+	struct rdc321x_gpio *gpch;
+	int err;
+	u32 reg;
+
+	gpch = container_of(chip, struct rdc321x_gpio, chip);
+
+	spin_lock(&gpch->lock);
+	err = pci_read_config_dword(gpch->sb_pdev, gpio < 32 ?
+			gpch->reg1_ctrl_base : gpch->reg2_ctrl_base, &reg);
+	if (err)
+		goto unlock;
+
+	reg |= 1 << (gpio & 0x1f);
+
+	err = pci_write_config_dword(gpch->sb_pdev, gpio < 32 ?
+			gpch->reg1_ctrl_base : gpch->reg2_ctrl_base, reg);
+	if (err)
+		goto unlock;
+
+	rdc_gpio_set_value_impl(chip, gpio, value);
+
+unlock:
+	spin_unlock(&gpch->lock);
+
+	return err;
+}
+
+/* configure GPIO pin as input */
+static int rdc_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+	return rdc_gpio_config(chip, gpio, 1);
+}
+
+/*
+ * Cache the initial value of both GPIO data registers
+ */
+static int __devinit rdc321x_gpio_probe(struct platform_device *pdev)
+{
+	int err;
+	struct resource *r;
+	struct rdc321x_gpio *rdc321x_gpio_dev;
+	struct rdc321x_gpio_pdata *pdata;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "no platform data supplied\n");
+		return -ENODEV;
+	}
+
+	rdc321x_gpio_dev = kzalloc(sizeof(struct rdc321x_gpio), GFP_KERNEL);
+	if (!rdc321x_gpio_dev) {
+		dev_err(&pdev->dev, "failed to allocate private data\n");
+		return -ENOMEM;
+	}
+
+	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpio-reg1");
+	if (!r) {
+		dev_err(&pdev->dev, "failed to get gpio-reg1 resource\n");
+		err = -ENODEV;
+		goto out_free;
+	}
+
+	spin_lock_init(&rdc321x_gpio_dev->lock);
+	rdc321x_gpio_dev->sb_pdev = pdata->sb_pdev;
+	rdc321x_gpio_dev->reg1_ctrl_base = r->start;
+	rdc321x_gpio_dev->reg1_data_base = r->start + 0x4;
+
+	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpio-reg2");
+	if (!r) {
+		dev_err(&pdev->dev, "failed to get gpio-reg2 resource\n");
+		err = -ENODEV;
+		goto out_free;
+	}
+
+	rdc321x_gpio_dev->reg2_ctrl_base = r->start;
+	rdc321x_gpio_dev->reg2_data_base = r->start + 0x4;
+
+	rdc321x_gpio_dev->chip.label = "rdc321x-gpio";
+	rdc321x_gpio_dev->chip.direction_input = rdc_gpio_direction_input;
+	rdc321x_gpio_dev->chip.direction_output = rdc_gpio_config;
+	rdc321x_gpio_dev->chip.get = rdc_gpio_get_value;
+	rdc321x_gpio_dev->chip.set = rdc_gpio_set_value;
+	rdc321x_gpio_dev->chip.base = 0;
+	rdc321x_gpio_dev->chip.ngpio = pdata->max_gpios;
+
+	platform_set_drvdata(pdev, rdc321x_gpio_dev);
+
+	/* This might not be, what others (BIOS, bootloader, etc.)
+	   wrote to these registers before, but it's a good guess. Still
+	   better than just using 0xffffffff. */
+	err = pci_read_config_dword(rdc321x_gpio_dev->sb_pdev,
+					rdc321x_gpio_dev->reg1_data_base,
+					&rdc321x_gpio_dev->data_reg[0]);
+	if (err)
+		goto out_drvdata;
+
+	err = pci_read_config_dword(rdc321x_gpio_dev->sb_pdev,
+					rdc321x_gpio_dev->reg2_data_base,
+					&rdc321x_gpio_dev->data_reg[1]);
+	if (err)
+		goto out_drvdata;
+
+	dev_info(&pdev->dev, "registering %d GPIOs\n",
+					rdc321x_gpio_dev->chip.ngpio);
+	return gpiochip_add(&rdc321x_gpio_dev->chip);
+
+out_drvdata:
+	platform_set_drvdata(pdev, NULL);
+out_free:
+	kfree(rdc321x_gpio_dev);
+	return err;
+}
+
+static int __devexit rdc321x_gpio_remove(struct platform_device *pdev)
+{
+	int ret;
+	struct rdc321x_gpio *rdc321x_gpio_dev = platform_get_drvdata(pdev);
+
+	ret = gpiochip_remove(&rdc321x_gpio_dev->chip);
+	if (ret)
+		dev_err(&pdev->dev, "failed to unregister chip\n");
+
+	kfree(rdc321x_gpio_dev);
+	platform_set_drvdata(pdev, NULL);
+
+	return ret;
+}
+
+static struct platform_driver rdc321x_gpio_driver = {
+	.driver.name	= "rdc321x-gpio",
+	.driver.owner	= THIS_MODULE,
+	.probe		= rdc321x_gpio_probe,
+	.remove		= __devexit_p(rdc321x_gpio_remove),
+};
+
+static int __init rdc321x_gpio_init(void)
+{
+	return platform_driver_register(&rdc321x_gpio_driver);
+}
+
+static void __exit rdc321x_gpio_exit(void)
+{
+	platform_driver_unregister(&rdc321x_gpio_driver);
+}
+
+module_init(rdc321x_gpio_init);
+module_exit(rdc321x_gpio_exit);
+
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_DESCRIPTION("RDC321x GPIO driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:rdc321x-gpio");

From 842102f35a8da589486fac497885b7bd6053af2f Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Mon, 22 Mar 2010 22:56:24 -0400
Subject: [PATCH 3513/3638] watchdog: Convert rdc321x_wdt to use southbridge
 pci device

The RDC321x MFD southbridge driver will pass a reference to the
southbridge PCI device which should be used by the watchdog driver for its
operations.  This patch converts the watchdog driver to use the pci_dev
pointer and make use of the base register resource which is passed along
with the platform device.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/watchdog/rdc321x_wdt.c | 53 +++++++++++++++++++++++++---------
 1 file changed, 40 insertions(+), 13 deletions(-)

diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c
index 69c6adbd820..4733a99955d 100644
--- a/drivers/watchdog/rdc321x_wdt.c
+++ b/drivers/watchdog/rdc321x_wdt.c
@@ -1,7 +1,7 @@
 /*
  * RDC321x watchdog driver
  *
- * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
  *
  * This driver is highly inspired from the cpu5_wdt driver
  *
@@ -36,8 +36,7 @@
 #include <linux/watchdog.h>
 #include <linux/io.h>
 #include <linux/uaccess.h>
-
-#include <asm/rdc321x_defs.h>
+#include <linux/mfd/rdc321x.h>
 
 #define RDC_WDT_MASK	0x80000000 /* Mask */
 #define RDC_WDT_EN	0x00800000 /* Enable bit */
@@ -63,6 +62,8 @@ static struct {
 	int default_ticks;
 	unsigned long inuse;
 	spinlock_t lock;
+	struct pci_dev *sb_pdev;
+	int base_reg;
 } rdc321x_wdt_device;
 
 /* generic helper functions */
@@ -70,14 +71,18 @@ static struct {
 static void rdc321x_wdt_trigger(unsigned long unused)
 {
 	unsigned long flags;
+	u32 val;
 
 	if (rdc321x_wdt_device.running)
 		ticks--;
 
 	/* keep watchdog alive */
 	spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
-	outl(RDC_WDT_EN | inl(RDC3210_CFGREG_DATA),
-		RDC3210_CFGREG_DATA);
+	pci_read_config_dword(rdc321x_wdt_device.sb_pdev,
+					rdc321x_wdt_device.base_reg, &val);
+	val |= RDC_WDT_EN;
+	pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+					rdc321x_wdt_device.base_reg, val);
 	spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
 
 	/* requeue?? */
@@ -105,10 +110,13 @@ static void rdc321x_wdt_start(void)
 
 		/* Clear the timer */
 		spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
-		outl(RDC_CLS_TMR, RDC3210_CFGREG_ADDR);
+		pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+				rdc321x_wdt_device.base_reg, RDC_CLS_TMR);
 
 		/* Enable watchdog and set the timeout to 81.92 us */
-		outl(RDC_WDT_EN | RDC_WDT_CNT, RDC3210_CFGREG_DATA);
+		pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+					rdc321x_wdt_device.base_reg,
+					RDC_WDT_EN | RDC_WDT_CNT);
 		spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
 
 		mod_timer(&rdc321x_wdt_device.timer,
@@ -148,7 +156,7 @@ static long rdc321x_wdt_ioctl(struct file *file, unsigned int cmd,
 				unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
-	unsigned int value;
+	u32 value;
 	static const struct watchdog_info ident = {
 		.options = WDIOF_CARDRESET,
 		.identity = "RDC321x WDT",
@@ -162,9 +170,10 @@ static long rdc321x_wdt_ioctl(struct file *file, unsigned int cmd,
 	case WDIOC_GETSTATUS:
 		/* Read the value from the DATA register */
 		spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
-		value = inl(RDC3210_CFGREG_DATA);
+		pci_read_config_dword(rdc321x_wdt_device.sb_pdev,
+					rdc321x_wdt_device.base_reg, &value);
 		spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
-		if (copy_to_user(argp, &value, sizeof(int)))
+		if (copy_to_user(argp, &value, sizeof(u32)))
 			return -EFAULT;
 		break;
 	case WDIOC_GETSUPPORT:
@@ -219,17 +228,35 @@ static struct miscdevice rdc321x_wdt_misc = {
 static int __devinit rdc321x_wdt_probe(struct platform_device *pdev)
 {
 	int err;
+	struct resource *r;
+	struct rdc321x_wdt_pdata *pdata;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "no platform data supplied\n");
+		return -ENODEV;
+	}
+
+	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wdt-reg");
+	if (!r) {
+		dev_err(&pdev->dev, "failed to get wdt-reg resource\n");
+		return -ENODEV;
+	}
+
+	rdc321x_wdt_device.sb_pdev = pdata->sb_pdev;
+	rdc321x_wdt_device.base_reg = r->start;
 
 	err = misc_register(&rdc321x_wdt_misc);
 	if (err < 0) {
-		printk(KERN_ERR PFX "watchdog misc_register failed\n");
+		dev_err(&pdev->dev, "misc_register failed\n");
 		return err;
 	}
 
 	spin_lock_init(&rdc321x_wdt_device.lock);
 
 	/* Reset the watchdog */
-	outl(RDC_WDT_RST, RDC3210_CFGREG_DATA);
+	pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+				rdc321x_wdt_device.base_reg, RDC_WDT_RST);
 
 	init_completion(&rdc321x_wdt_device.stop);
 	rdc321x_wdt_device.queue = 0;
@@ -240,7 +267,7 @@ static int __devinit rdc321x_wdt_probe(struct platform_device *pdev)
 
 	rdc321x_wdt_device.default_ticks = ticks;
 
-	printk(KERN_INFO PFX "watchdog init success\n");
+	dev_info(&pdev->dev, "watchdog init success\n");
 
 	return 0;
 }

From f52e62dcc1f555a0f8d8ccc3112454c3ff571395 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 21 Mar 2010 01:06:17 +0100
Subject: [PATCH 3514/3638] x86: remove rdc321x_defs.h

This file is replaced by a cleaner version with the adding of a MFD driver for
the southbridge.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 arch/x86/include/asm/rdc321x_defs.h | 12 ------------
 1 file changed, 12 deletions(-)
 delete mode 100644 arch/x86/include/asm/rdc321x_defs.h

diff --git a/arch/x86/include/asm/rdc321x_defs.h b/arch/x86/include/asm/rdc321x_defs.h
deleted file mode 100644
index c8e9c8bed3d..00000000000
--- a/arch/x86/include/asm/rdc321x_defs.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#define PFX	"rdc321x: "
-
-/* General purpose configuration and data registers */
-#define RDC3210_CFGREG_ADDR     0x0CF8
-#define RDC3210_CFGREG_DATA     0x0CFC
-
-#define RDC321X_GPIO_CTRL_REG1	0x48
-#define RDC321X_GPIO_CTRL_REG2	0x84
-#define RDC321X_GPIO_DATA_REG1	0x4c
-#define RDC321X_GPIO_DATA_REG2	0x88
-
-#define RDC321X_MAX_GPIO	58

From 5f7df57eeca93fc931b32e7723fe8f964aaa63df Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 22 Mar 2010 15:12:42 +0300
Subject: [PATCH 3515/3638] mfd: Off by one calculating size for timberdale
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

I'm pretty sure that it should be + 1 here.  It's an off by one, because
we start counting at zero.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/timberdale.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/timberdale.h b/drivers/mfd/timberdale.h
index 8d27ffabc25..902c4512024 100644
--- a/drivers/mfd/timberdale.h
+++ b/drivers/mfd/timberdale.h
@@ -66,7 +66,7 @@
 
 #define CHIPCTLOFFSET	0x800
 #define CHIPCTLEND	0x8ff
-#define CHIPCTLSIZE	(CHIPCTLEND - CHIPCTLOFFSET)
+#define CHIPCTLSIZE	(CHIPCTLEND - CHIPCTLOFFSET + 1)
 
 #define INTCOFFSET	0xc00
 #define INTCEND		0xfff

From f03cfcbc843ae6854c69dbc771762b83b3bea15f Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 26 Mar 2010 01:09:04 +0100
Subject: [PATCH 3516/3638] mfd: Check for mem_base when building
 IORESOURCE_MEM resources

If mem_base is NULL, then we fall back to the default case, just copying the
original resource.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/mfd-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 8ffbb7a85a7..7dd76bceaae 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -48,7 +48,7 @@ static int mfd_add_device(struct device *parent, int id,
 		res[r].flags = cell->resources[r].flags;
 
 		/* Find out base to use */
-		if (cell->resources[r].flags & IORESOURCE_MEM) {
+		if ((cell->resources[r].flags & IORESOURCE_MEM) && mem_base) {
 			res[r].parent = mem_base;
 			res[r].start = mem_base->start +
 				cell->resources[r].start;

From 872c1b14e78661086ade8b501888850da2636eee Mon Sep 17 00:00:00 2001
From: Henrik Kretzschmar <henne@nachtwindheim.de>
Date: Fri, 26 Mar 2010 02:40:13 +0100
Subject: [PATCH 3517/3638] mfd: Section cleanup of 88pm860x driver

This patch fixes three section mismatches.

WARNING: drivers/mfd/88pm860x.o(.text+0x12): Section mismatch in
reference from the function pm860x_device_exit() to the function
.devexit.text:device_irq_exit()
The function pm860x_device_exit() references a function in an exit
section.
Often the function device_irq_exit() has valid usage outside the exit
section
and the fix is to remove the __devexit annotation of device_irq_exit.

WARNING: drivers/mfd/88pm860x.o(.text+0xb0): Section mismatch in
reference from the function pm860x_device_init() to the function
.devinit.text:device_8606_init()
The function pm860x_device_init() references
the function __devinit device_8606_init().
This is often because pm860x_device_init lacks a __devinit
annotation or the annotation of device_8606_init is wrong.

WARNING: drivers/mfd/88pm860x.o(.text+0xbe): Section mismatch in
reference from the function pm860x_device_init() to the function
.devinit.text:device_8607_init()
The function pm860x_device_init() references
the function __devinit device_8607_init().
This is often because pm860x_device_init lacks a __devinit
annotation or the annotation of device_8607_init is wrong.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/88pm860x-core.c  | 6 +++---
 include/linux/mfd/88pm860x.h | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index 405d2d5183c..2c65a2c5729 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -566,7 +566,7 @@ out:
 	return ret;
 }
 
-static void __devexit device_irq_exit(struct pm860x_chip *chip)
+static void device_irq_exit(struct pm860x_chip *chip)
 {
 	if (chip->core_irq)
 		free_irq(chip->core_irq, chip);
@@ -703,7 +703,7 @@ out:
 	return;
 }
 
-int pm860x_device_init(struct pm860x_chip *chip,
+int __devinit pm860x_device_init(struct pm860x_chip *chip,
 		       struct pm860x_platform_data *pdata)
 {
 	chip->core_irq = 0;
@@ -731,7 +731,7 @@ int pm860x_device_init(struct pm860x_chip *chip,
 	return 0;
 }
 
-void pm860x_device_exit(struct pm860x_chip *chip)
+void __devexit pm860x_device_exit(struct pm860x_chip *chip)
 {
 	device_irq_exit(chip);
 	mfd_remove_devices(chip->dev);
diff --git a/include/linux/mfd/88pm860x.h b/include/linux/mfd/88pm860x.h
index e3c4ff8c3e3..bfd23bef736 100644
--- a/include/linux/mfd/88pm860x.h
+++ b/include/linux/mfd/88pm860x.h
@@ -370,7 +370,7 @@ extern int pm860x_set_bits(struct i2c_client *, int, unsigned char,
 			   unsigned char);
 
 extern int pm860x_device_init(struct pm860x_chip *chip,
-			      struct pm860x_platform_data *pdata);
-extern void pm860x_device_exit(struct pm860x_chip *chip);
+			      struct pm860x_platform_data *pdata) __devinit ;
+extern void pm860x_device_exit(struct pm860x_chip *chip) __devexit ;
 
 #endif /* __LINUX_MFD_88PM860X_H */

From dc64f30fa557ab1108e97e499a9acc550baa38bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Richard=20R=C3=B6jfors?= <richard.rojfors@pelagicore.com>
Date: Thu, 25 Mar 2010 19:44:23 +0100
Subject: [PATCH 3518/3638] mfd: Add timb-dma to all configurations of
 timberdale
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add platform data for timb-dma, and add it in to timb-dma
in all configurations of timberdale.

Also incremented the version number.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/timberdale.c | 97 ++++++++++++++++++++++++++++++++++------
 drivers/mfd/timberdale.h | 14 +++++-
 2 files changed, 96 insertions(+), 15 deletions(-)

diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c
index 1ac77d16dce..2d4691acd03 100644
--- a/drivers/mfd/timberdale.c
+++ b/drivers/mfd/timberdale.c
@@ -41,6 +41,8 @@
 
 #include <media/timb_radio.h>
 
+#include <linux/timb_dma.h>
+
 #include "timberdale.h"
 
 #define DRIVER_NAME "timberdale"
@@ -270,6 +272,65 @@ static __devinitdata struct timb_radio_platform_data
 	}
 };
 
+static __devinitdata struct timb_dma_platform_data timb_dma_platform_data = {
+	.nr_channels = 10,
+	.channels = {
+		{
+			/* UART RX */
+			.rx = true,
+			.descriptors = 2,
+			.descriptor_elements = 1
+		},
+		{
+			/* UART TX */
+			.rx = false,
+			.descriptors = 2,
+			.descriptor_elements = 1
+		},
+		{
+			/* MLB RX */
+			.rx = true,
+			.descriptors = 2,
+			.descriptor_elements = 1
+		},
+		{
+			/* MLB TX */
+			.rx = false,
+			.descriptors = 2,
+			.descriptor_elements = 1
+		},
+		{
+			/* Video RX */
+			.rx = true,
+			.bytes_per_line = 1440,
+			.descriptors = 2,
+			.descriptor_elements = 16
+		},
+		{
+			/* Video framedrop */
+		},
+		{
+			/* SDHCI RX */
+			.rx = true,
+		},
+		{
+			/* SDHCI TX */
+		},
+		{
+			/* ETH RX */
+			.rx = true,
+			.descriptors = 2,
+			.descriptor_elements = 1
+		},
+		{
+			/* ETH TX */
+			.rx = false,
+			.descriptors = 2,
+			.descriptor_elements = 1
+		},
+	}
+};
+
 const static __devinitconst struct resource timberdale_dma_resources[] = {
 	{
 		.start	= DMAOFFSET,
@@ -284,6 +345,13 @@ const static __devinitconst struct resource timberdale_dma_resources[] = {
 };
 
 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = {
+	{
+		.name = "timb-dma",
+		.num_resources = ARRAY_SIZE(timberdale_dma_resources),
+		.resources = timberdale_dma_resources,
+		.platform_data = &timb_dma_platform_data,
+		.data_size = sizeof(timb_dma_platform_data),
+	},
 	{
 		.name = "timb-uart",
 		.num_resources = ARRAY_SIZE(timberdale_uart_resources),
@@ -322,14 +390,16 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = {
 		.num_resources = ARRAY_SIZE(timberdale_eth_resources),
 		.resources = timberdale_eth_resources,
 	},
+};
+
+static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = {
 	{
 		.name = "timb-dma",
 		.num_resources = ARRAY_SIZE(timberdale_dma_resources),
 		.resources = timberdale_dma_resources,
+		.platform_data = &timb_dma_platform_data,
+		.data_size = sizeof(timb_dma_platform_data),
 	},
-};
-
-static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = {
 	{
 		.name = "timb-uart",
 		.num_resources = ARRAY_SIZE(timberdale_uart_resources),
@@ -378,14 +448,16 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = {
 		.num_resources = ARRAY_SIZE(timberdale_eth_resources),
 		.resources = timberdale_eth_resources,
 	},
+};
+
+static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = {
 	{
 		.name = "timb-dma",
 		.num_resources = ARRAY_SIZE(timberdale_dma_resources),
 		.resources = timberdale_dma_resources,
+		.platform_data = &timb_dma_platform_data,
+		.data_size = sizeof(timb_dma_platform_data),
 	},
-};
-
-static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = {
 	{
 		.name = "timb-uart",
 		.num_resources = ARRAY_SIZE(timberdale_uart_resources),
@@ -419,14 +491,16 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = {
 		.platform_data = &timberdale_xspi_platform_data,
 		.data_size = sizeof(timberdale_xspi_platform_data),
 	},
+};
+
+static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = {
 	{
 		.name = "timb-dma",
 		.num_resources = ARRAY_SIZE(timberdale_dma_resources),
 		.resources = timberdale_dma_resources,
+		.platform_data = &timb_dma_platform_data,
+		.data_size = sizeof(timb_dma_platform_data),
 	},
-};
-
-static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = {
 	{
 		.name = "timb-uart",
 		.num_resources = ARRAY_SIZE(timberdale_uart_resources),
@@ -465,11 +539,6 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = {
 		.num_resources = ARRAY_SIZE(timberdale_eth_resources),
 		.resources = timberdale_eth_resources,
 	},
-	{
-		.name = "timb-dma",
-		.num_resources = ARRAY_SIZE(timberdale_dma_resources),
-		.resources = timberdale_dma_resources,
-	},
 };
 
 static const __devinitconst struct resource timberdale_sdhc_resources[] = {
diff --git a/drivers/mfd/timberdale.h b/drivers/mfd/timberdale.h
index 902c4512024..c11bf6ebfe0 100644
--- a/drivers/mfd/timberdale.h
+++ b/drivers/mfd/timberdale.h
@@ -23,7 +23,7 @@
 #ifndef MFD_TIMBERDALE_H
 #define MFD_TIMBERDALE_H
 
-#define DRV_VERSION		"0.1"
+#define DRV_VERSION		"0.2"
 
 /* This driver only support versions >= 3.8 and < 4.0  */
 #define TIMB_SUPPORTED_MAJOR	3
@@ -127,4 +127,16 @@
 #define GPIO_PIN_BT_RST		15
 #define GPIO_NR_PINS		16
 
+/* DMA Channels */
+#define DMA_UART_RX         0
+#define DMA_UART_TX         1
+#define DMA_MLB_RX          2
+#define DMA_MLB_TX          3
+#define DMA_VIDEO_RX        4
+#define DMA_VIDEO_DROP      5
+#define DMA_SDHCI_RX        6
+#define DMA_SDHCI_TX        7
+#define DMA_ETH_RX          8
+#define DMA_ETH_TX          9
+
 #endif

From 2a0cb351001bebf195d3c43d0f70441eb6a62652 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 26 Mar 2010 14:47:04 +0000
Subject: [PATCH 3519/3638] mfd: Remove unused wm831x IRQ handler data

This was used by the old, pre-genirq IRQ implementation but is no
longer required.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/wm831x-irq.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index 4c1122ceb44..ec10004200c 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -39,8 +39,6 @@ struct wm831x_irq_data {
 	int primary;
 	int reg;
 	int mask;
-	irq_handler_t handler;
-	void *handler_data;
 };
 
 static struct wm831x_irq_data wm831x_irqs[] = {

From 165bce9783ab307368e56b7c1a168520a3791266 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sun, 28 Mar 2010 14:28:08 +0300
Subject: [PATCH 3520/3638] mfd: Proper pcf50633 irq check

"pcf->irq_handler" has PCF50633_NUM_IRQ elements.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/pcf50633-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 710e417e0ee..5439282804c 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -218,7 +218,7 @@ static struct attribute_group pcf_attr_group = {
 int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
 			void (*handler) (int, void *), void *data)
 {
-	if (irq < 0 || irq > PCF50633_NUM_IRQ || !handler)
+	if (irq < 0 || irq >= PCF50633_NUM_IRQ || !handler)
 		return -EINVAL;
 
 	if (WARN_ON(pcf->irq_handler[irq].handler))
@@ -235,7 +235,7 @@ EXPORT_SYMBOL_GPL(pcf50633_register_irq);
 
 int pcf50633_free_irq(struct pcf50633 *pcf, int irq)
 {
-	if (irq < 0 || irq > PCF50633_NUM_IRQ)
+	if (irq < 0 || irq >= PCF50633_NUM_IRQ)
 		return -EINVAL;
 
 	mutex_lock(&pcf->lock);

From bd3581323cc02aefc79a21780a4ca8c578642892 Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Wed, 7 Apr 2010 09:43:00 +0200
Subject: [PATCH 3521/3638] mfd: Janz CMOD-IO PCI MODULbus Carrier Board
 support

The Janz CMOD-IO PCI MODULbus carrier board is a PCI to MODULbus bridge,
which may host many different types of MODULbus daughterboards, including
CAN and GPIO controllers.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Reviewed-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Kconfig       |  10 ++
 drivers/mfd/Makefile      |   1 +
 drivers/mfd/janz-cmodio.c | 304 ++++++++++++++++++++++++++++++++++++++
 include/linux/mfd/janz.h  |  54 +++++++
 4 files changed, 369 insertions(+)
 create mode 100644 drivers/mfd/janz-cmodio.c
 create mode 100644 include/linux/mfd/janz.h

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 93d0e31c043..05c137d16b0 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -418,6 +418,16 @@ config MFD_RDC321X
 	  southbridge which provides access to GPIOs and Watchdog using the
 	  southbridge PCI device configuration space.
 
+config MFD_JANZ_CMODIO
+	tristate "Support for Janz CMOD-IO PCI MODULbus Carrier Board"
+	select MFD_CORE
+	depends on PCI
+	help
+	  This is the core driver for the Janz CMOD-IO PCI MODULbus
+	  carrier board. This device is a PCI to MODULbus bridge which may
+	  host many different types of MODULbus daughterboards, including
+	  CAN and GPIO controllers.
+
 endmenu
 
 menu "Multimedia Capabilities Port drivers"
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index f177e064b31..21eff85b288 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -65,3 +65,4 @@ obj-$(CONFIG_MFD_TIMBERDALE)    += timberdale.o
 obj-$(CONFIG_PMIC_ADP5520)	+= adp5520.o
 obj-$(CONFIG_LPC_SCH)		+= lpc_sch.o
 obj-$(CONFIG_MFD_RDC321X)	+= rdc321x-southbridge.o
+obj-$(CONFIG_MFD_JANZ_CMODIO)	+= janz-cmodio.o
diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c
new file mode 100644
index 00000000000..9ed630799ac
--- /dev/null
+++ b/drivers/mfd/janz-cmodio.c
@@ -0,0 +1,304 @@
+/*
+ * Janz CMOD-IO MODULbus Carrier Board PCI Driver
+ *
+ * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
+ *
+ * Lots of inspiration and code was copied from drivers/mfd/sm501.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
+
+#include <linux/mfd/janz.h>
+
+#define DRV_NAME "janz-cmodio"
+
+/* Size of each MODULbus module in PCI BAR4 */
+#define CMODIO_MODULBUS_SIZE	0x200
+
+/* Maximum number of MODULbus modules on a CMOD-IO carrier board */
+#define CMODIO_MAX_MODULES	4
+
+/* Module Parameters */
+static unsigned int num_modules = CMODIO_MAX_MODULES;
+static unsigned char *modules[CMODIO_MAX_MODULES] = {
+	"empty", "empty", "empty", "empty",
+};
+
+module_param_array(modules, charp, &num_modules, S_IRUGO);
+MODULE_PARM_DESC(modules, "MODULbus modules attached to the carrier board");
+
+/* Unique Device Id */
+static unsigned int cmodio_id;
+
+struct cmodio_device {
+	/* Parent PCI device */
+	struct pci_dev *pdev;
+
+	/* PLX control registers */
+	struct janz_cmodio_onboard_regs __iomem *ctrl;
+
+	/* hex switch position */
+	u8 hex;
+
+	/* mfd-core API */
+	struct mfd_cell cells[CMODIO_MAX_MODULES];
+	struct resource resources[3 * CMODIO_MAX_MODULES];
+	struct janz_platform_data pdata[CMODIO_MAX_MODULES];
+};
+
+/*
+ * Subdevices using the mfd-core API
+ */
+
+static int __devinit cmodio_setup_subdevice(struct cmodio_device *priv,
+					    char *name, unsigned int devno,
+					    unsigned int modno)
+{
+	struct janz_platform_data *pdata;
+	struct mfd_cell *cell;
+	struct resource *res;
+	struct pci_dev *pci;
+
+	pci = priv->pdev;
+	cell = &priv->cells[devno];
+	res = &priv->resources[devno * 3];
+	pdata = &priv->pdata[devno];
+
+	cell->name = name;
+	cell->resources = res;
+	cell->num_resources = 3;
+
+	/* Setup the subdevice ID -- must be unique */
+	cell->id = cmodio_id++;
+
+	/* Add platform data */
+	pdata->modno = modno;
+	cell->platform_data = pdata;
+	cell->data_size = sizeof(*pdata);
+
+	/* MODULbus registers -- PCI BAR3 is big-endian MODULbus access */
+	res->flags = IORESOURCE_MEM;
+	res->parent = &pci->resource[3];
+	res->start = pci->resource[3].start + (CMODIO_MODULBUS_SIZE * modno);
+	res->end = res->start + CMODIO_MODULBUS_SIZE - 1;
+	res++;
+
+	/* PLX Control Registers -- PCI BAR4 is interrupt and other registers */
+	res->flags = IORESOURCE_MEM;
+	res->parent = &pci->resource[4];
+	res->start = pci->resource[4].start;
+	res->end = pci->resource[4].end;
+	res++;
+
+	/*
+	 * IRQ
+	 *
+	 * The start and end fields are used as an offset to the irq_base
+	 * parameter passed into the mfd_add_devices() function call. All
+	 * devices share the same IRQ.
+	 */
+	res->flags = IORESOURCE_IRQ;
+	res->parent = NULL;
+	res->start = 0;
+	res->end = 0;
+	res++;
+
+	return 0;
+}
+
+/* Probe each submodule using kernel parameters */
+static int __devinit cmodio_probe_submodules(struct cmodio_device *priv)
+{
+	struct pci_dev *pdev = priv->pdev;
+	unsigned int num_probed = 0;
+	char *name;
+	int i;
+
+	for (i = 0; i < num_modules; i++) {
+		name = modules[i];
+		if (!strcmp(name, "") || !strcmp(name, "empty"))
+			continue;
+
+		dev_dbg(&priv->pdev->dev, "MODULbus %d: name %s\n", i, name);
+		cmodio_setup_subdevice(priv, name, num_probed, i);
+		num_probed++;
+	}
+
+	/* print an error message if no modules were probed */
+	if (num_probed == 0) {
+		dev_err(&priv->pdev->dev, "no MODULbus modules specified, "
+					  "please set the ``modules'' kernel "
+					  "parameter according to your "
+					  "hardware configuration\n");
+		return -ENODEV;
+	}
+
+	return mfd_add_devices(&pdev->dev, 0, priv->cells,
+			       num_probed, NULL, pdev->irq);
+}
+
+/*
+ * SYSFS Attributes
+ */
+
+static ssize_t mbus_show(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct cmodio_device *priv = dev_get_drvdata(dev);
+
+	return snprintf(buf, PAGE_SIZE, "%x\n", priv->hex);
+}
+
+static DEVICE_ATTR(modulbus_number, S_IRUGO, mbus_show, NULL);
+
+static struct attribute *cmodio_sysfs_attrs[] = {
+	&dev_attr_modulbus_number.attr,
+	NULL,
+};
+
+static const struct attribute_group cmodio_sysfs_attr_group = {
+	.attrs = cmodio_sysfs_attrs,
+};
+
+/*
+ * PCI Driver
+ */
+
+static int __devinit cmodio_pci_probe(struct pci_dev *dev,
+				      const struct pci_device_id *id)
+{
+	struct cmodio_device *priv;
+	int ret;
+
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv) {
+		dev_err(&dev->dev, "unable to allocate private data\n");
+		ret = -ENOMEM;
+		goto out_return;
+	}
+
+	pci_set_drvdata(dev, priv);
+	priv->pdev = dev;
+
+	/* Hardware Initialization */
+	ret = pci_enable_device(dev);
+	if (ret) {
+		dev_err(&dev->dev, "unable to enable device\n");
+		goto out_free_priv;
+	}
+
+	pci_set_master(dev);
+	ret = pci_request_regions(dev, DRV_NAME);
+	if (ret) {
+		dev_err(&dev->dev, "unable to request regions\n");
+		goto out_pci_disable_device;
+	}
+
+	/* Onboard configuration registers */
+	priv->ctrl = pci_ioremap_bar(dev, 4);
+	if (!priv->ctrl) {
+		dev_err(&dev->dev, "unable to remap onboard regs\n");
+		ret = -ENOMEM;
+		goto out_pci_release_regions;
+	}
+
+	/* Read the hex switch on the carrier board */
+	priv->hex = ioread8(&priv->ctrl->int_enable);
+
+	/* Add the MODULbus number (hex switch value) to the device's sysfs */
+	ret = sysfs_create_group(&dev->dev.kobj, &cmodio_sysfs_attr_group);
+	if (ret) {
+		dev_err(&dev->dev, "unable to create sysfs attributes\n");
+		goto out_unmap_ctrl;
+	}
+
+	/*
+	 * Disable all interrupt lines, each submodule will enable its
+	 * own interrupt line if needed
+	 */
+	iowrite8(0xf, &priv->ctrl->int_disable);
+
+	/* Register drivers for all submodules */
+	ret = cmodio_probe_submodules(priv);
+	if (ret) {
+		dev_err(&dev->dev, "unable to probe submodules\n");
+		goto out_sysfs_remove_group;
+	}
+
+	return 0;
+
+out_sysfs_remove_group:
+	sysfs_remove_group(&dev->dev.kobj, &cmodio_sysfs_attr_group);
+out_unmap_ctrl:
+	iounmap(priv->ctrl);
+out_pci_release_regions:
+	pci_release_regions(dev);
+out_pci_disable_device:
+	pci_disable_device(dev);
+out_free_priv:
+	kfree(priv);
+out_return:
+	return ret;
+}
+
+static void __devexit cmodio_pci_remove(struct pci_dev *dev)
+{
+	struct cmodio_device *priv = pci_get_drvdata(dev);
+
+	mfd_remove_devices(&dev->dev);
+	sysfs_remove_group(&dev->dev.kobj, &cmodio_sysfs_attr_group);
+	iounmap(priv->ctrl);
+	pci_release_regions(dev);
+	pci_disable_device(dev);
+	kfree(priv);
+}
+
+#define PCI_VENDOR_ID_JANZ		0x13c3
+
+/* The list of devices that this module will support */
+static DEFINE_PCI_DEVICE_TABLE(cmodio_pci_ids) = {
+	{ PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030, PCI_VENDOR_ID_JANZ, 0x0101 },
+	{ PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, PCI_VENDOR_ID_JANZ, 0x0100 },
+	{ 0, }
+};
+MODULE_DEVICE_TABLE(pci, cmodio_pci_ids);
+
+static struct pci_driver cmodio_pci_driver = {
+	.name     = DRV_NAME,
+	.id_table = cmodio_pci_ids,
+	.probe    = cmodio_pci_probe,
+	.remove   = __devexit_p(cmodio_pci_remove),
+};
+
+/*
+ * Module Init / Exit
+ */
+
+static int __init cmodio_init(void)
+{
+	return pci_register_driver(&cmodio_pci_driver);
+}
+
+static void __exit cmodio_exit(void)
+{
+	pci_unregister_driver(&cmodio_pci_driver);
+}
+
+MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
+MODULE_DESCRIPTION("Janz CMOD-IO PCI MODULbus Carrier Board Driver");
+MODULE_LICENSE("GPL");
+
+module_init(cmodio_init);
+module_exit(cmodio_exit);
diff --git a/include/linux/mfd/janz.h b/include/linux/mfd/janz.h
new file mode 100644
index 00000000000..e9994c46980
--- /dev/null
+++ b/include/linux/mfd/janz.h
@@ -0,0 +1,54 @@
+/*
+ * Common Definitions for Janz MODULbus devices
+ *
+ * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef JANZ_H
+#define JANZ_H
+
+struct janz_platform_data {
+	/* MODULbus Module Number */
+	unsigned int modno;
+};
+
+/* PLX bridge chip onboard registers */
+struct janz_cmodio_onboard_regs {
+	u8 unused1;
+
+	/*
+	 * Read access: interrupt status
+	 * Write access: interrupt disable
+	 */
+	u8 int_disable;
+	u8 unused2;
+
+	/*
+	 * Read access: MODULbus number (hex switch)
+	 * Write access: interrupt enable
+	 */
+	u8 int_enable;
+	u8 unused3;
+
+	/* write-only */
+	u8 reset_assert;
+	u8 unused4;
+
+	/* write-only */
+	u8 reset_deassert;
+	u8 unused5;
+
+	/* read-write access to serial EEPROM */
+	u8 eep;
+	u8 unused6;
+
+	/* write-only access to EEPROM chip select */
+	u8 enid;
+};
+
+#endif /* JANZ_H */

From 631eb227849e3bfdec2d2e628ee5a3f962db82e2 Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Mon, 29 Mar 2010 09:58:51 -0700
Subject: [PATCH 3522/3638] can: Add support for Janz VMOD-ICAN3 Intelligent
 CAN module

The Janz VMOD-ICAN3 is a MODULbus daughterboard which fits onto any
MODULbus carrier board. It is an intelligent CAN controller with a
microcontroller and associated firmware.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/net/can/Kconfig      |   10 +
 drivers/net/can/Makefile     |    1 +
 drivers/net/can/janz-ican3.c | 1830 ++++++++++++++++++++++++++++++++++
 3 files changed, 1841 insertions(+)
 create mode 100644 drivers/net/can/janz-ican3.c

diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index 05b751719bd..2c5227c02fa 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -63,6 +63,16 @@ config CAN_BFIN
 	  To compile this driver as a module, choose M here: the
 	  module will be called bfin_can.
 
+config CAN_JANZ_ICAN3
+	tristate "Janz VMOD-ICAN3 Intelligent CAN controller"
+	depends on CAN_DEV && MFD_JANZ_CMODIO
+	---help---
+	  Driver for Janz VMOD-ICAN3 Intelligent CAN controller module, which
+	  connects to a MODULbus carrier board.
+
+	  This driver can also be built as a module. If so, the module will be
+	  called janz-ican3.ko.
+
 source "drivers/net/can/mscan/Kconfig"
 
 source "drivers/net/can/sja1000/Kconfig"
diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile
index 7a702f28d01..9047cd066fe 100644
--- a/drivers/net/can/Makefile
+++ b/drivers/net/can/Makefile
@@ -15,5 +15,6 @@ obj-$(CONFIG_CAN_AT91)		+= at91_can.o
 obj-$(CONFIG_CAN_TI_HECC)	+= ti_hecc.o
 obj-$(CONFIG_CAN_MCP251X)	+= mcp251x.o
 obj-$(CONFIG_CAN_BFIN)		+= bfin_can.o
+obj-$(CONFIG_CAN_JANZ_ICAN3)	+= janz-ican3.o
 
 ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG
diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c
new file mode 100644
index 00000000000..6e533dcc36c
--- /dev/null
+++ b/drivers/net/can/janz-ican3.c
@@ -0,0 +1,1830 @@
+/*
+ * Janz MODULbus VMOD-ICAN3 CAN Interface Driver
+ *
+ * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+
+#include <linux/netdevice.h>
+#include <linux/can.h>
+#include <linux/can/dev.h>
+#include <linux/can/error.h>
+
+#include <linux/mfd/janz.h>
+
+/* the DPM has 64k of memory, organized into 256x 256 byte pages */
+#define DPM_NUM_PAGES		256
+#define DPM_PAGE_SIZE		256
+#define DPM_PAGE_ADDR(p)	((p) * DPM_PAGE_SIZE)
+
+/* JANZ ICAN3 "old-style" host interface queue page numbers */
+#define QUEUE_OLD_CONTROL	0
+#define QUEUE_OLD_RB0		1
+#define QUEUE_OLD_RB1		2
+#define QUEUE_OLD_WB0		3
+#define QUEUE_OLD_WB1		4
+
+/* Janz ICAN3 "old-style" host interface control registers */
+#define MSYNC_PEER		0x00		/* ICAN only */
+#define MSYNC_LOCL		0x01		/* host only */
+#define TARGET_RUNNING		0x02
+
+#define MSYNC_RB0		0x01
+#define MSYNC_RB1		0x02
+#define MSYNC_RBLW		0x04
+#define MSYNC_RB_MASK		(MSYNC_RB0 | MSYNC_RB1)
+
+#define MSYNC_WB0		0x10
+#define MSYNC_WB1		0x20
+#define MSYNC_WBLW		0x40
+#define MSYNC_WB_MASK		(MSYNC_WB0 | MSYNC_WB1)
+
+/* Janz ICAN3 "new-style" host interface queue page numbers */
+#define QUEUE_TOHOST		5
+#define QUEUE_FROMHOST_MID	6
+#define QUEUE_FROMHOST_HIGH	7
+#define QUEUE_FROMHOST_LOW	8
+
+/* The first free page in the DPM is #9 */
+#define DPM_FREE_START		9
+
+/* Janz ICAN3 "new-style" and "fast" host interface descriptor flags */
+#define DESC_VALID		0x80
+#define DESC_WRAP		0x40
+#define DESC_INTERRUPT		0x20
+#define DESC_IVALID		0x10
+#define DESC_LEN(len)		(len)
+
+/* Janz ICAN3 Firmware Messages */
+#define MSG_CONNECTI		0x02
+#define MSG_DISCONNECT		0x03
+#define MSG_IDVERS		0x04
+#define MSG_MSGLOST		0x05
+#define MSG_NEWHOSTIF		0x08
+#define MSG_INQUIRY		0x0a
+#define MSG_SETAFILMASK		0x10
+#define MSG_INITFDPMQUEUE	0x11
+#define MSG_HWCONF		0x12
+#define MSG_FMSGLOST		0x15
+#define MSG_CEVTIND		0x37
+#define MSG_CBTRREQ		0x41
+#define MSG_COFFREQ		0x42
+#define MSG_CONREQ		0x43
+#define MSG_CCONFREQ		0x47
+
+/*
+ * Janz ICAN3 CAN Inquiry Message Types
+ *
+ * NOTE: there appears to be a firmware bug here. You must send
+ * NOTE: INQUIRY_STATUS and expect to receive an INQUIRY_EXTENDED
+ * NOTE: response. The controller never responds to a message with
+ * NOTE: the INQUIRY_EXTENDED subspec :(
+ */
+#define INQUIRY_STATUS		0x00
+#define INQUIRY_TERMINATION	0x01
+#define INQUIRY_EXTENDED	0x04
+
+/* Janz ICAN3 CAN Set Acceptance Filter Mask Message Types */
+#define SETAFILMASK_REJECT	0x00
+#define SETAFILMASK_FASTIF	0x02
+
+/* Janz ICAN3 CAN Hardware Configuration Message Types */
+#define HWCONF_TERMINATE_ON	0x01
+#define HWCONF_TERMINATE_OFF	0x00
+
+/* Janz ICAN3 CAN Event Indication Message Types */
+#define CEVTIND_EI		0x01
+#define CEVTIND_DOI		0x02
+#define CEVTIND_LOST		0x04
+#define CEVTIND_FULL		0x08
+#define CEVTIND_BEI		0x10
+
+#define CEVTIND_CHIP_SJA1000	0x02
+
+#define ICAN3_BUSERR_QUOTA_MAX	255
+
+/* Janz ICAN3 CAN Frame Conversion */
+#define ICAN3_ECHO	0x10
+#define ICAN3_EFF_RTR	0x40
+#define ICAN3_SFF_RTR	0x10
+#define ICAN3_EFF	0x80
+
+#define ICAN3_CAN_TYPE_MASK	0x0f
+#define ICAN3_CAN_TYPE_SFF	0x00
+#define ICAN3_CAN_TYPE_EFF	0x01
+
+#define ICAN3_CAN_DLC_MASK	0x0f
+
+/*
+ * SJA1000 Status and Error Register Definitions
+ *
+ * Copied from drivers/net/can/sja1000/sja1000.h
+ */
+
+/* status register content */
+#define SR_BS		0x80
+#define SR_ES		0x40
+#define SR_TS		0x20
+#define SR_RS		0x10
+#define SR_TCS		0x08
+#define SR_TBS		0x04
+#define SR_DOS		0x02
+#define SR_RBS		0x01
+
+#define SR_CRIT (SR_BS|SR_ES)
+
+/* ECC register */
+#define ECC_SEG		0x1F
+#define ECC_DIR		0x20
+#define ECC_ERR		6
+#define ECC_BIT		0x00
+#define ECC_FORM	0x40
+#define ECC_STUFF	0x80
+#define ECC_MASK	0xc0
+
+/* Number of buffers for use in the "new-style" host interface */
+#define ICAN3_NEW_BUFFERS	16
+
+/* Number of buffers for use in the "fast" host interface */
+#define ICAN3_TX_BUFFERS	512
+#define ICAN3_RX_BUFFERS	1024
+
+/* SJA1000 Clock Input */
+#define ICAN3_CAN_CLOCK		8000000
+
+/* Driver Name */
+#define DRV_NAME "janz-ican3"
+
+/* DPM Control Registers -- starts at offset 0x100 in the MODULbus registers */
+struct ican3_dpm_control {
+	/* window address register */
+	u8 window_address;
+	u8 unused1;
+
+	/*
+	 * Read access: clear interrupt from microcontroller
+	 * Write access: send interrupt to microcontroller
+	 */
+	u8 interrupt;
+	u8 unused2;
+
+	/* write-only: reset all hardware on the module */
+	u8 hwreset;
+	u8 unused3;
+
+	/* write-only: generate an interrupt to the TPU */
+	u8 tpuinterrupt;
+};
+
+struct ican3_dev {
+
+	/* must be the first member */
+	struct can_priv can;
+
+	/* CAN network device */
+	struct net_device *ndev;
+	struct napi_struct napi;
+
+	/* Device for printing */
+	struct device *dev;
+
+	/* module number */
+	unsigned int num;
+
+	/* base address of registers and IRQ */
+	struct janz_cmodio_onboard_regs __iomem *ctrl;
+	struct ican3_dpm_control __iomem *dpmctrl;
+	void __iomem *dpm;
+	int irq;
+
+	/* CAN bus termination status */
+	struct completion termination_comp;
+	bool termination_enabled;
+
+	/* CAN bus error status registers */
+	struct completion buserror_comp;
+	struct can_berr_counter bec;
+
+	/* old and new style host interface */
+	unsigned int iftype;
+
+	/*
+	 * Any function which changes the current DPM page must hold this
+	 * lock while it is performing data accesses. This ensures that the
+	 * function will not be preempted and end up reading data from a
+	 * different DPM page than it expects.
+	 */
+	spinlock_t lock;
+
+	/* new host interface */
+	unsigned int rx_int;
+	unsigned int rx_num;
+	unsigned int tx_num;
+
+	/* fast host interface */
+	unsigned int fastrx_start;
+	unsigned int fastrx_int;
+	unsigned int fastrx_num;
+	unsigned int fasttx_start;
+	unsigned int fasttx_num;
+
+	/* first free DPM page */
+	unsigned int free_page;
+};
+
+struct ican3_msg {
+	u8 control;
+	u8 spec;
+	__le16 len;
+	u8 data[252];
+};
+
+struct ican3_new_desc {
+	u8 control;
+	u8 pointer;
+};
+
+struct ican3_fast_desc {
+	u8 control;
+	u8 command;
+	u8 data[14];
+};
+
+/* write to the window basic address register */
+static inline void ican3_set_page(struct ican3_dev *mod, unsigned int page)
+{
+	BUG_ON(page >= DPM_NUM_PAGES);
+	iowrite8(page, &mod->dpmctrl->window_address);
+}
+
+/*
+ * ICAN3 "old-style" host interface
+ */
+
+/*
+ * Recieve a message from the ICAN3 "old-style" firmware interface
+ *
+ * LOCKING: must hold mod->lock
+ *
+ * returns 0 on success, -ENOMEM when no message exists
+ */
+static int ican3_old_recv_msg(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	unsigned int mbox, mbox_page;
+	u8 locl, peer, xord;
+
+	/* get the MSYNC registers */
+	ican3_set_page(mod, QUEUE_OLD_CONTROL);
+	peer = ioread8(mod->dpm + MSYNC_PEER);
+	locl = ioread8(mod->dpm + MSYNC_LOCL);
+	xord = locl ^ peer;
+
+	if ((xord & MSYNC_RB_MASK) == 0x00) {
+		dev_dbg(mod->dev, "no mbox for reading\n");
+		return -ENOMEM;
+	}
+
+	/* find the first free mbox to read */
+	if ((xord & MSYNC_RB_MASK) == MSYNC_RB_MASK)
+		mbox = (xord & MSYNC_RBLW) ? MSYNC_RB0 : MSYNC_RB1;
+	else
+		mbox = (xord & MSYNC_RB0) ? MSYNC_RB0 : MSYNC_RB1;
+
+	/* copy the message */
+	mbox_page = (mbox == MSYNC_RB0) ? QUEUE_OLD_RB0 : QUEUE_OLD_RB1;
+	ican3_set_page(mod, mbox_page);
+	memcpy_fromio(msg, mod->dpm, sizeof(*msg));
+
+	/*
+	 * notify the firmware that the read buffer is available
+	 * for it to fill again
+	 */
+	locl ^= mbox;
+
+	ican3_set_page(mod, QUEUE_OLD_CONTROL);
+	iowrite8(locl, mod->dpm + MSYNC_LOCL);
+	return 0;
+}
+
+/*
+ * Send a message through the "old-style" firmware interface
+ *
+ * LOCKING: must hold mod->lock
+ *
+ * returns 0 on success, -ENOMEM when no free space exists
+ */
+static int ican3_old_send_msg(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	unsigned int mbox, mbox_page;
+	u8 locl, peer, xord;
+
+	/* get the MSYNC registers */
+	ican3_set_page(mod, QUEUE_OLD_CONTROL);
+	peer = ioread8(mod->dpm + MSYNC_PEER);
+	locl = ioread8(mod->dpm + MSYNC_LOCL);
+	xord = locl ^ peer;
+
+	if ((xord & MSYNC_WB_MASK) == MSYNC_WB_MASK) {
+		dev_err(mod->dev, "no mbox for writing\n");
+		return -ENOMEM;
+	}
+
+	/* calculate a free mbox to use */
+	mbox = (xord & MSYNC_WB0) ? MSYNC_WB1 : MSYNC_WB0;
+
+	/* copy the message to the DPM */
+	mbox_page = (mbox == MSYNC_WB0) ? QUEUE_OLD_WB0 : QUEUE_OLD_WB1;
+	ican3_set_page(mod, mbox_page);
+	memcpy_toio(mod->dpm, msg, sizeof(*msg));
+
+	locl ^= mbox;
+	if (mbox == MSYNC_WB1)
+		locl |= MSYNC_WBLW;
+
+	ican3_set_page(mod, QUEUE_OLD_CONTROL);
+	iowrite8(locl, mod->dpm + MSYNC_LOCL);
+	return 0;
+}
+
+/*
+ * ICAN3 "new-style" Host Interface Setup
+ */
+
+static void __devinit ican3_init_new_host_interface(struct ican3_dev *mod)
+{
+	struct ican3_new_desc desc;
+	unsigned long flags;
+	void __iomem *dst;
+	int i;
+
+	spin_lock_irqsave(&mod->lock, flags);
+
+	/* setup the internal datastructures for RX */
+	mod->rx_num = 0;
+	mod->rx_int = 0;
+
+	/* tohost queue descriptors are in page 5 */
+	ican3_set_page(mod, QUEUE_TOHOST);
+	dst = mod->dpm;
+
+	/* initialize the tohost (rx) queue descriptors: pages 9-24 */
+	for (i = 0; i < ICAN3_NEW_BUFFERS; i++) {
+		desc.control = DESC_INTERRUPT | DESC_LEN(1); /* I L=1 */
+		desc.pointer = mod->free_page;
+
+		/* set wrap flag on last buffer */
+		if (i == ICAN3_NEW_BUFFERS - 1)
+			desc.control |= DESC_WRAP;
+
+		memcpy_toio(dst, &desc, sizeof(desc));
+		dst += sizeof(desc);
+		mod->free_page++;
+	}
+
+	/* fromhost (tx) mid queue descriptors are in page 6 */
+	ican3_set_page(mod, QUEUE_FROMHOST_MID);
+	dst = mod->dpm;
+
+	/* setup the internal datastructures for TX */
+	mod->tx_num = 0;
+
+	/* initialize the fromhost mid queue descriptors: pages 25-40 */
+	for (i = 0; i < ICAN3_NEW_BUFFERS; i++) {
+		desc.control = DESC_VALID | DESC_LEN(1); /* V L=1 */
+		desc.pointer = mod->free_page;
+
+		/* set wrap flag on last buffer */
+		if (i == ICAN3_NEW_BUFFERS - 1)
+			desc.control |= DESC_WRAP;
+
+		memcpy_toio(dst, &desc, sizeof(desc));
+		dst += sizeof(desc);
+		mod->free_page++;
+	}
+
+	/* fromhost hi queue descriptors are in page 7 */
+	ican3_set_page(mod, QUEUE_FROMHOST_HIGH);
+	dst = mod->dpm;
+
+	/* initialize only a single buffer in the fromhost hi queue (unused) */
+	desc.control = DESC_VALID | DESC_WRAP | DESC_LEN(1); /* VW L=1 */
+	desc.pointer = mod->free_page;
+	memcpy_toio(dst, &desc, sizeof(desc));
+	mod->free_page++;
+
+	/* fromhost low queue descriptors are in page 8 */
+	ican3_set_page(mod, QUEUE_FROMHOST_LOW);
+	dst = mod->dpm;
+
+	/* initialize only a single buffer in the fromhost low queue (unused) */
+	desc.control = DESC_VALID | DESC_WRAP | DESC_LEN(1); /* VW L=1 */
+	desc.pointer = mod->free_page;
+	memcpy_toio(dst, &desc, sizeof(desc));
+	mod->free_page++;
+
+	spin_unlock_irqrestore(&mod->lock, flags);
+}
+
+/*
+ * ICAN3 Fast Host Interface Setup
+ */
+
+static void __devinit ican3_init_fast_host_interface(struct ican3_dev *mod)
+{
+	struct ican3_fast_desc desc;
+	unsigned long flags;
+	unsigned int addr;
+	void __iomem *dst;
+	int i;
+
+	spin_lock_irqsave(&mod->lock, flags);
+
+	/* save the start recv page */
+	mod->fastrx_start = mod->free_page;
+	mod->fastrx_num = 0;
+	mod->fastrx_int = 0;
+
+	/* build a single fast tohost queue descriptor */
+	memset(&desc, 0, sizeof(desc));
+	desc.control = 0x00;
+	desc.command = 1;
+
+	/* build the tohost queue descriptor ring in memory */
+	addr = 0;
+	for (i = 0; i < ICAN3_RX_BUFFERS; i++) {
+
+		/* set the wrap bit on the last buffer */
+		if (i == ICAN3_RX_BUFFERS - 1)
+			desc.control |= DESC_WRAP;
+
+		/* switch to the correct page */
+		ican3_set_page(mod, mod->free_page);
+
+		/* copy the descriptor to the DPM */
+		dst = mod->dpm + addr;
+		memcpy_toio(dst, &desc, sizeof(desc));
+		addr += sizeof(desc);
+
+		/* move to the next page if necessary */
+		if (addr >= DPM_PAGE_SIZE) {
+			addr = 0;
+			mod->free_page++;
+		}
+	}
+
+	/* make sure we page-align the next queue */
+	if (addr != 0)
+		mod->free_page++;
+
+	/* save the start xmit page */
+	mod->fasttx_start = mod->free_page;
+	mod->fasttx_num = 0;
+
+	/* build a single fast fromhost queue descriptor */
+	memset(&desc, 0, sizeof(desc));
+	desc.control = DESC_VALID;
+	desc.command = 1;
+
+	/* build the fromhost queue descriptor ring in memory */
+	addr = 0;
+	for (i = 0; i < ICAN3_TX_BUFFERS; i++) {
+
+		/* set the wrap bit on the last buffer */
+		if (i == ICAN3_TX_BUFFERS - 1)
+			desc.control |= DESC_WRAP;
+
+		/* switch to the correct page */
+		ican3_set_page(mod, mod->free_page);
+
+		/* copy the descriptor to the DPM */
+		dst = mod->dpm + addr;
+		memcpy_toio(dst, &desc, sizeof(desc));
+		addr += sizeof(desc);
+
+		/* move to the next page if necessary */
+		if (addr >= DPM_PAGE_SIZE) {
+			addr = 0;
+			mod->free_page++;
+		}
+	}
+
+	spin_unlock_irqrestore(&mod->lock, flags);
+}
+
+/*
+ * ICAN3 "new-style" Host Interface Message Helpers
+ */
+
+/*
+ * LOCKING: must hold mod->lock
+ */
+static int ican3_new_send_msg(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	struct ican3_new_desc desc;
+	void __iomem *desc_addr = mod->dpm + (mod->tx_num * sizeof(desc));
+
+	/* switch to the fromhost mid queue, and read the buffer descriptor */
+	ican3_set_page(mod, QUEUE_FROMHOST_MID);
+	memcpy_fromio(&desc, desc_addr, sizeof(desc));
+
+	if (!(desc.control & DESC_VALID)) {
+		dev_dbg(mod->dev, "%s: no free buffers\n", __func__);
+		return -ENOMEM;
+	}
+
+	/* switch to the data page, copy the data */
+	ican3_set_page(mod, desc.pointer);
+	memcpy_toio(mod->dpm, msg, sizeof(*msg));
+
+	/* switch back to the descriptor, set the valid bit, write it back */
+	ican3_set_page(mod, QUEUE_FROMHOST_MID);
+	desc.control ^= DESC_VALID;
+	memcpy_toio(desc_addr, &desc, sizeof(desc));
+
+	/* update the tx number */
+	mod->tx_num = (desc.control & DESC_WRAP) ? 0 : (mod->tx_num + 1);
+	return 0;
+}
+
+/*
+ * LOCKING: must hold mod->lock
+ */
+static int ican3_new_recv_msg(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	struct ican3_new_desc desc;
+	void __iomem *desc_addr = mod->dpm + (mod->rx_num * sizeof(desc));
+
+	/* switch to the tohost queue, and read the buffer descriptor */
+	ican3_set_page(mod, QUEUE_TOHOST);
+	memcpy_fromio(&desc, desc_addr, sizeof(desc));
+
+	if (!(desc.control & DESC_VALID)) {
+		dev_dbg(mod->dev, "%s: no buffers to recv\n", __func__);
+		return -ENOMEM;
+	}
+
+	/* switch to the data page, copy the data */
+	ican3_set_page(mod, desc.pointer);
+	memcpy_fromio(msg, mod->dpm, sizeof(*msg));
+
+	/* switch back to the descriptor, toggle the valid bit, write it back */
+	ican3_set_page(mod, QUEUE_TOHOST);
+	desc.control ^= DESC_VALID;
+	memcpy_toio(desc_addr, &desc, sizeof(desc));
+
+	/* update the rx number */
+	mod->rx_num = (desc.control & DESC_WRAP) ? 0 : (mod->rx_num + 1);
+	return 0;
+}
+
+/*
+ * Message Send / Recv Helpers
+ */
+
+static int ican3_send_msg(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&mod->lock, flags);
+
+	if (mod->iftype == 0)
+		ret = ican3_old_send_msg(mod, msg);
+	else
+		ret = ican3_new_send_msg(mod, msg);
+
+	spin_unlock_irqrestore(&mod->lock, flags);
+	return ret;
+}
+
+static int ican3_recv_msg(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&mod->lock, flags);
+
+	if (mod->iftype == 0)
+		ret = ican3_old_recv_msg(mod, msg);
+	else
+		ret = ican3_new_recv_msg(mod, msg);
+
+	spin_unlock_irqrestore(&mod->lock, flags);
+	return ret;
+}
+
+/*
+ * Quick Pre-constructed Messages
+ */
+
+static int __devinit ican3_msg_connect(struct ican3_dev *mod)
+{
+	struct ican3_msg msg;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_CONNECTI;
+	msg.len = cpu_to_le16(0);
+
+	return ican3_send_msg(mod, &msg);
+}
+
+static int __devexit ican3_msg_disconnect(struct ican3_dev *mod)
+{
+	struct ican3_msg msg;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_DISCONNECT;
+	msg.len = cpu_to_le16(0);
+
+	return ican3_send_msg(mod, &msg);
+}
+
+static int __devinit ican3_msg_newhostif(struct ican3_dev *mod)
+{
+	struct ican3_msg msg;
+	int ret;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_NEWHOSTIF;
+	msg.len = cpu_to_le16(0);
+
+	/* If we're not using the old interface, switching seems bogus */
+	WARN_ON(mod->iftype != 0);
+
+	ret = ican3_send_msg(mod, &msg);
+	if (ret)
+		return ret;
+
+	/* mark the module as using the new host interface */
+	mod->iftype = 1;
+	return 0;
+}
+
+static int __devinit ican3_msg_fasthostif(struct ican3_dev *mod)
+{
+	struct ican3_msg msg;
+	unsigned int addr;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_INITFDPMQUEUE;
+	msg.len = cpu_to_le16(8);
+
+	/* write the tohost queue start address */
+	addr = DPM_PAGE_ADDR(mod->fastrx_start);
+	msg.data[0] = addr & 0xff;
+	msg.data[1] = (addr >> 8) & 0xff;
+	msg.data[2] = (addr >> 16) & 0xff;
+	msg.data[3] = (addr >> 24) & 0xff;
+
+	/* write the fromhost queue start address */
+	addr = DPM_PAGE_ADDR(mod->fasttx_start);
+	msg.data[4] = addr & 0xff;
+	msg.data[5] = (addr >> 8) & 0xff;
+	msg.data[6] = (addr >> 16) & 0xff;
+	msg.data[7] = (addr >> 24) & 0xff;
+
+	/* If we're not using the new interface yet, we cannot do this */
+	WARN_ON(mod->iftype != 1);
+
+	return ican3_send_msg(mod, &msg);
+}
+
+/*
+ * Setup the CAN filter to either accept or reject all
+ * messages from the CAN bus.
+ */
+static int __devinit ican3_set_id_filter(struct ican3_dev *mod, bool accept)
+{
+	struct ican3_msg msg;
+	int ret;
+
+	/* Standard Frame Format */
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_SETAFILMASK;
+	msg.len = cpu_to_le16(5);
+	msg.data[0] = 0x00; /* IDLo LSB */
+	msg.data[1] = 0x00; /* IDLo MSB */
+	msg.data[2] = 0xff; /* IDHi LSB */
+	msg.data[3] = 0x07; /* IDHi MSB */
+
+	/* accept all frames for fast host if, or reject all frames */
+	msg.data[4] = accept ? SETAFILMASK_FASTIF : SETAFILMASK_REJECT;
+
+	ret = ican3_send_msg(mod, &msg);
+	if (ret)
+		return ret;
+
+	/* Extended Frame Format */
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_SETAFILMASK;
+	msg.len = cpu_to_le16(13);
+	msg.data[0] = 0;    /* MUX = 0 */
+	msg.data[1] = 0x00; /* IDLo LSB */
+	msg.data[2] = 0x00;
+	msg.data[3] = 0x00;
+	msg.data[4] = 0x20; /* IDLo MSB */
+	msg.data[5] = 0xff; /* IDHi LSB */
+	msg.data[6] = 0xff;
+	msg.data[7] = 0xff;
+	msg.data[8] = 0x3f; /* IDHi MSB */
+
+	/* accept all frames for fast host if, or reject all frames */
+	msg.data[9] = accept ? SETAFILMASK_FASTIF : SETAFILMASK_REJECT;
+
+	return ican3_send_msg(mod, &msg);
+}
+
+/*
+ * Bring the CAN bus online or offline
+ */
+static int ican3_set_bus_state(struct ican3_dev *mod, bool on)
+{
+	struct ican3_msg msg;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = on ? MSG_CONREQ : MSG_COFFREQ;
+	msg.len = cpu_to_le16(0);
+
+	return ican3_send_msg(mod, &msg);
+}
+
+static int ican3_set_termination(struct ican3_dev *mod, bool on)
+{
+	struct ican3_msg msg;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_HWCONF;
+	msg.len = cpu_to_le16(2);
+	msg.data[0] = 0x00;
+	msg.data[1] = on ? HWCONF_TERMINATE_ON : HWCONF_TERMINATE_OFF;
+
+	return ican3_send_msg(mod, &msg);
+}
+
+static int ican3_send_inquiry(struct ican3_dev *mod, u8 subspec)
+{
+	struct ican3_msg msg;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_INQUIRY;
+	msg.len = cpu_to_le16(2);
+	msg.data[0] = subspec;
+	msg.data[1] = 0x00;
+
+	return ican3_send_msg(mod, &msg);
+}
+
+static int ican3_set_buserror(struct ican3_dev *mod, u8 quota)
+{
+	struct ican3_msg msg;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_CCONFREQ;
+	msg.len = cpu_to_le16(2);
+	msg.data[0] = 0x00;
+	msg.data[1] = quota;
+
+	return ican3_send_msg(mod, &msg);
+}
+
+/*
+ * ICAN3 to Linux CAN Frame Conversion
+ */
+
+static void ican3_to_can_frame(struct ican3_dev *mod,
+			       struct ican3_fast_desc *desc,
+			       struct can_frame *cf)
+{
+	if ((desc->command & ICAN3_CAN_TYPE_MASK) == ICAN3_CAN_TYPE_SFF) {
+		if (desc->data[1] & ICAN3_SFF_RTR)
+			cf->can_id |= CAN_RTR_FLAG;
+
+		cf->can_id |= desc->data[0] << 3;
+		cf->can_id |= (desc->data[1] & 0xe0) >> 5;
+		cf->can_dlc = desc->data[1] & ICAN3_CAN_DLC_MASK;
+		memcpy(cf->data, &desc->data[2], sizeof(cf->data));
+	} else {
+		cf->can_dlc = desc->data[0] & ICAN3_CAN_DLC_MASK;
+		if (desc->data[0] & ICAN3_EFF_RTR)
+			cf->can_id |= CAN_RTR_FLAG;
+
+		if (desc->data[0] & ICAN3_EFF) {
+			cf->can_id |= CAN_EFF_FLAG;
+			cf->can_id |= desc->data[2] << 21; /* 28-21 */
+			cf->can_id |= desc->data[3] << 13; /* 20-13 */
+			cf->can_id |= desc->data[4] << 5;  /* 12-5  */
+			cf->can_id |= (desc->data[5] & 0xf8) >> 3;
+		} else {
+			cf->can_id |= desc->data[2] << 3;  /* 10-3  */
+			cf->can_id |= desc->data[3] >> 5;  /* 2-0   */
+		}
+
+		memcpy(cf->data, &desc->data[6], sizeof(cf->data));
+	}
+}
+
+static void can_frame_to_ican3(struct ican3_dev *mod,
+			       struct can_frame *cf,
+			       struct ican3_fast_desc *desc)
+{
+	/* clear out any stale data in the descriptor */
+	memset(desc->data, 0, sizeof(desc->data));
+
+	/* we always use the extended format, with the ECHO flag set */
+	desc->command = ICAN3_CAN_TYPE_EFF;
+	desc->data[0] |= cf->can_dlc;
+	desc->data[1] |= ICAN3_ECHO;
+
+	if (cf->can_id & CAN_RTR_FLAG)
+		desc->data[0] |= ICAN3_EFF_RTR;
+
+	/* pack the id into the correct places */
+	if (cf->can_id & CAN_EFF_FLAG) {
+		desc->data[0] |= ICAN3_EFF;
+		desc->data[2] = (cf->can_id & 0x1fe00000) >> 21; /* 28-21 */
+		desc->data[3] = (cf->can_id & 0x001fe000) >> 13; /* 20-13 */
+		desc->data[4] = (cf->can_id & 0x00001fe0) >> 5;  /* 12-5  */
+		desc->data[5] = (cf->can_id & 0x0000001f) << 3;  /* 4-0   */
+	} else {
+		desc->data[2] = (cf->can_id & 0x7F8) >> 3; /* bits 10-3 */
+		desc->data[3] = (cf->can_id & 0x007) << 5; /* bits 2-0  */
+	}
+
+	/* copy the data bits into the descriptor */
+	memcpy(&desc->data[6], cf->data, sizeof(cf->data));
+}
+
+/*
+ * Interrupt Handling
+ */
+
+/*
+ * Handle an ID + Version message response from the firmware. We never generate
+ * this message in production code, but it is very useful when debugging to be
+ * able to display this message.
+ */
+static void ican3_handle_idvers(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	dev_dbg(mod->dev, "IDVERS response: %s\n", msg->data);
+}
+
+static void ican3_handle_msglost(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	struct net_device *dev = mod->ndev;
+	struct net_device_stats *stats = &dev->stats;
+	struct can_frame *cf;
+	struct sk_buff *skb;
+
+	/*
+	 * Report that communication messages with the microcontroller firmware
+	 * are being lost. These are never CAN frames, so we do not generate an
+	 * error frame for userspace
+	 */
+	if (msg->spec == MSG_MSGLOST) {
+		dev_err(mod->dev, "lost %d control messages\n", msg->data[0]);
+		return;
+	}
+
+	/*
+	 * Oops, this indicates that we have lost messages in the fast queue,
+	 * which are exclusively CAN messages. Our driver isn't reading CAN
+	 * frames fast enough.
+	 *
+	 * We'll pretend that the SJA1000 told us that it ran out of buffer
+	 * space, because there is not a better message for this.
+	 */
+	skb = alloc_can_err_skb(dev, &cf);
+	if (skb) {
+		cf->can_id |= CAN_ERR_CRTL;
+		cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
+		stats->rx_errors++;
+		stats->rx_bytes += cf->can_dlc;
+		netif_rx(skb);
+	}
+}
+
+/*
+ * Handle CAN Event Indication Messages from the firmware
+ *
+ * The ICAN3 firmware provides the values of some SJA1000 registers when it
+ * generates this message. The code below is largely copied from the
+ * drivers/net/can/sja1000/sja1000.c file, and adapted as necessary
+ */
+static int ican3_handle_cevtind(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	struct net_device *dev = mod->ndev;
+	struct net_device_stats *stats = &dev->stats;
+	enum can_state state = mod->can.state;
+	u8 status, isrc, rxerr, txerr;
+	struct can_frame *cf;
+	struct sk_buff *skb;
+
+	/* we can only handle the SJA1000 part */
+	if (msg->data[1] != CEVTIND_CHIP_SJA1000) {
+		dev_err(mod->dev, "unable to handle errors on non-SJA1000\n");
+		return -ENODEV;
+	}
+
+	/* check the message length for sanity */
+	if (le16_to_cpu(msg->len) < 6) {
+		dev_err(mod->dev, "error message too short\n");
+		return -EINVAL;
+	}
+
+	skb = alloc_can_err_skb(dev, &cf);
+	if (skb == NULL)
+		return -ENOMEM;
+
+	isrc = msg->data[0];
+	status = msg->data[3];
+	rxerr = msg->data[4];
+	txerr = msg->data[5];
+
+	/* data overrun interrupt */
+	if (isrc == CEVTIND_DOI || isrc == CEVTIND_LOST) {
+		dev_dbg(mod->dev, "data overrun interrupt\n");
+		cf->can_id |= CAN_ERR_CRTL;
+		cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
+		stats->rx_over_errors++;
+		stats->rx_errors++;
+	}
+
+	/* error warning + passive interrupt */
+	if (isrc == CEVTIND_EI) {
+		dev_dbg(mod->dev, "error warning + passive interrupt\n");
+		if (status & SR_BS) {
+			state = CAN_STATE_BUS_OFF;
+			cf->can_id |= CAN_ERR_BUSOFF;
+			can_bus_off(dev);
+		} else if (status & SR_ES) {
+			if (rxerr >= 128 || txerr >= 128)
+				state = CAN_STATE_ERROR_PASSIVE;
+			else
+				state = CAN_STATE_ERROR_WARNING;
+		} else {
+			state = CAN_STATE_ERROR_ACTIVE;
+		}
+	}
+
+	/* bus error interrupt */
+	if (isrc == CEVTIND_BEI) {
+		u8 ecc = msg->data[2];
+
+		dev_dbg(mod->dev, "bus error interrupt\n");
+		mod->can.can_stats.bus_error++;
+		stats->rx_errors++;
+		cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
+
+		switch (ecc & ECC_MASK) {
+		case ECC_BIT:
+			cf->data[2] |= CAN_ERR_PROT_BIT;
+			break;
+		case ECC_FORM:
+			cf->data[2] |= CAN_ERR_PROT_FORM;
+			break;
+		case ECC_STUFF:
+			cf->data[2] |= CAN_ERR_PROT_STUFF;
+			break;
+		default:
+			cf->data[2] |= CAN_ERR_PROT_UNSPEC;
+			cf->data[3] = ecc & ECC_SEG;
+			break;
+		}
+
+		if ((ecc & ECC_DIR) == 0)
+			cf->data[2] |= CAN_ERR_PROT_TX;
+
+		cf->data[6] = txerr;
+		cf->data[7] = rxerr;
+	}
+
+	if (state != mod->can.state && (state == CAN_STATE_ERROR_WARNING ||
+					state == CAN_STATE_ERROR_PASSIVE)) {
+		cf->can_id |= CAN_ERR_CRTL;
+		if (state == CAN_STATE_ERROR_WARNING) {
+			mod->can.can_stats.error_warning++;
+			cf->data[1] = (txerr > rxerr) ?
+				CAN_ERR_CRTL_TX_WARNING :
+				CAN_ERR_CRTL_RX_WARNING;
+		} else {
+			mod->can.can_stats.error_passive++;
+			cf->data[1] = (txerr > rxerr) ?
+				CAN_ERR_CRTL_TX_PASSIVE :
+				CAN_ERR_CRTL_RX_PASSIVE;
+		}
+
+		cf->data[6] = txerr;
+		cf->data[7] = rxerr;
+	}
+
+	mod->can.state = state;
+	stats->rx_errors++;
+	stats->rx_bytes += cf->can_dlc;
+	netif_rx(skb);
+	return 0;
+}
+
+static void ican3_handle_inquiry(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	switch (msg->data[0]) {
+	case INQUIRY_STATUS:
+	case INQUIRY_EXTENDED:
+		mod->bec.rxerr = msg->data[5];
+		mod->bec.txerr = msg->data[6];
+		complete(&mod->buserror_comp);
+		break;
+	case INQUIRY_TERMINATION:
+		mod->termination_enabled = msg->data[6] & HWCONF_TERMINATE_ON;
+		complete(&mod->termination_comp);
+		break;
+	default:
+		dev_err(mod->dev, "recieved an unknown inquiry response\n");
+		break;
+	}
+}
+
+static void ican3_handle_unknown_message(struct ican3_dev *mod,
+					struct ican3_msg *msg)
+{
+	dev_warn(mod->dev, "recieved unknown message: spec 0x%.2x length %d\n",
+			   msg->spec, le16_to_cpu(msg->len));
+}
+
+/*
+ * Handle a control message from the firmware
+ */
+static void ican3_handle_message(struct ican3_dev *mod, struct ican3_msg *msg)
+{
+	dev_dbg(mod->dev, "%s: modno %d spec 0x%.2x len %d bytes\n", __func__,
+			   mod->num, msg->spec, le16_to_cpu(msg->len));
+
+	switch (msg->spec) {
+	case MSG_IDVERS:
+		ican3_handle_idvers(mod, msg);
+		break;
+	case MSG_MSGLOST:
+	case MSG_FMSGLOST:
+		ican3_handle_msglost(mod, msg);
+		break;
+	case MSG_CEVTIND:
+		ican3_handle_cevtind(mod, msg);
+		break;
+	case MSG_INQUIRY:
+		ican3_handle_inquiry(mod, msg);
+		break;
+	default:
+		ican3_handle_unknown_message(mod, msg);
+		break;
+	}
+}
+
+/*
+ * Check that there is room in the TX ring to transmit another skb
+ *
+ * LOCKING: must hold mod->lock
+ */
+static bool ican3_txok(struct ican3_dev *mod)
+{
+	struct ican3_fast_desc __iomem *desc;
+	u8 control;
+
+	/* copy the control bits of the descriptor */
+	ican3_set_page(mod, mod->fasttx_start + (mod->fasttx_num / 16));
+	desc = mod->dpm + ((mod->fasttx_num % 16) * sizeof(*desc));
+	control = ioread8(&desc->control);
+
+	/* if the control bits are not valid, then we have no more space */
+	if (!(control & DESC_VALID))
+		return false;
+
+	return true;
+}
+
+/*
+ * Recieve one CAN frame from the hardware
+ *
+ * This works like the core of a NAPI function, but is intended to be called
+ * from workqueue context instead. This driver already needs a workqueue to
+ * process control messages, so we use the workqueue instead of using NAPI.
+ * This was done to simplify locking.
+ *
+ * CONTEXT: must be called from user context
+ */
+static int ican3_recv_skb(struct ican3_dev *mod)
+{
+	struct net_device *ndev = mod->ndev;
+	struct net_device_stats *stats = &ndev->stats;
+	struct ican3_fast_desc desc;
+	void __iomem *desc_addr;
+	struct can_frame *cf;
+	struct sk_buff *skb;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mod->lock, flags);
+
+	/* copy the whole descriptor */
+	ican3_set_page(mod, mod->fastrx_start + (mod->fastrx_num / 16));
+	desc_addr = mod->dpm + ((mod->fastrx_num % 16) * sizeof(desc));
+	memcpy_fromio(&desc, desc_addr, sizeof(desc));
+
+	spin_unlock_irqrestore(&mod->lock, flags);
+
+	/* check that we actually have a CAN frame */
+	if (!(desc.control & DESC_VALID))
+		return -ENOBUFS;
+
+	/* allocate an skb */
+	skb = alloc_can_skb(ndev, &cf);
+	if (unlikely(skb == NULL)) {
+		stats->rx_dropped++;
+		goto err_noalloc;
+	}
+
+	/* convert the ICAN3 frame into Linux CAN format */
+	ican3_to_can_frame(mod, &desc, cf);
+
+	/* receive the skb, update statistics */
+	netif_receive_skb(skb);
+	stats->rx_packets++;
+	stats->rx_bytes += cf->can_dlc;
+
+err_noalloc:
+	/* toggle the valid bit and return the descriptor to the ring */
+	desc.control ^= DESC_VALID;
+
+	spin_lock_irqsave(&mod->lock, flags);
+
+	ican3_set_page(mod, mod->fastrx_start + (mod->fastrx_num / 16));
+	memcpy_toio(desc_addr, &desc, 1);
+
+	/* update the next buffer pointer */
+	mod->fastrx_num = (desc.control & DESC_WRAP) ? 0
+						     : (mod->fastrx_num + 1);
+
+	/* there are still more buffers to process */
+	spin_unlock_irqrestore(&mod->lock, flags);
+	return 0;
+}
+
+static int ican3_napi(struct napi_struct *napi, int budget)
+{
+	struct ican3_dev *mod = container_of(napi, struct ican3_dev, napi);
+	struct ican3_msg msg;
+	unsigned long flags;
+	int received = 0;
+	int ret;
+
+	/* process all communication messages */
+	while (true) {
+		ret = ican3_recv_msg(mod, &msg);
+		if (ret)
+			break;
+
+		ican3_handle_message(mod, &msg);
+	}
+
+	/* process all CAN frames from the fast interface */
+	while (received < budget) {
+		ret = ican3_recv_skb(mod);
+		if (ret)
+			break;
+
+		received++;
+	}
+
+	/* We have processed all packets that the adapter had, but it
+	 * was less than our budget, stop polling */
+	if (received < budget)
+		napi_complete(napi);
+
+	spin_lock_irqsave(&mod->lock, flags);
+
+	/* Wake up the transmit queue if necessary */
+	if (netif_queue_stopped(mod->ndev) && ican3_txok(mod))
+		netif_wake_queue(mod->ndev);
+
+	spin_unlock_irqrestore(&mod->lock, flags);
+
+	/* re-enable interrupt generation */
+	iowrite8(1 << mod->num, &mod->ctrl->int_enable);
+	return received;
+}
+
+static irqreturn_t ican3_irq(int irq, void *dev_id)
+{
+	struct ican3_dev *mod = dev_id;
+	u8 stat;
+
+	/*
+	 * The interrupt status register on this device reports interrupts
+	 * as zeroes instead of using ones like most other devices
+	 */
+	stat = ioread8(&mod->ctrl->int_disable) & (1 << mod->num);
+	if (stat == (1 << mod->num))
+		return IRQ_NONE;
+
+	/* clear the MODULbus interrupt from the microcontroller */
+	ioread8(&mod->dpmctrl->interrupt);
+
+	/* disable interrupt generation, schedule the NAPI poller */
+	iowrite8(1 << mod->num, &mod->ctrl->int_disable);
+	napi_schedule(&mod->napi);
+	return IRQ_HANDLED;
+}
+
+/*
+ * Firmware reset, startup, and shutdown
+ */
+
+/*
+ * Reset an ICAN module to its power-on state
+ *
+ * CONTEXT: no network device registered
+ * LOCKING: work function disabled
+ */
+static int ican3_reset_module(struct ican3_dev *mod)
+{
+	u8 val = 1 << mod->num;
+	unsigned long start;
+	u8 runold, runnew;
+
+	/* disable interrupts so no more work is scheduled */
+	iowrite8(1 << mod->num, &mod->ctrl->int_disable);
+
+	/* flush any pending work */
+	flush_scheduled_work();
+
+	/* the first unallocated page in the DPM is #9 */
+	mod->free_page = DPM_FREE_START;
+
+	ican3_set_page(mod, QUEUE_OLD_CONTROL);
+	runold = ioread8(mod->dpm + TARGET_RUNNING);
+
+	/* reset the module */
+	iowrite8(val, &mod->ctrl->reset_assert);
+	iowrite8(val, &mod->ctrl->reset_deassert);
+
+	/* wait until the module has finished resetting and is running */
+	start = jiffies;
+	do {
+		ican3_set_page(mod, QUEUE_OLD_CONTROL);
+		runnew = ioread8(mod->dpm + TARGET_RUNNING);
+		if (runnew == (runold ^ 0xff))
+			return 0;
+
+		msleep(10);
+	} while (time_before(jiffies, start + HZ / 4));
+
+	dev_err(mod->dev, "failed to reset CAN module\n");
+	return -ETIMEDOUT;
+}
+
+static void __devexit ican3_shutdown_module(struct ican3_dev *mod)
+{
+	ican3_msg_disconnect(mod);
+	ican3_reset_module(mod);
+}
+
+/*
+ * Startup an ICAN module, bringing it into fast mode
+ */
+static int __devinit ican3_startup_module(struct ican3_dev *mod)
+{
+	int ret;
+
+	ret = ican3_reset_module(mod);
+	if (ret) {
+		dev_err(mod->dev, "unable to reset module\n");
+		return ret;
+	}
+
+	/* re-enable interrupts so we can send messages */
+	iowrite8(1 << mod->num, &mod->ctrl->int_enable);
+
+	ret = ican3_msg_connect(mod);
+	if (ret) {
+		dev_err(mod->dev, "unable to connect to module\n");
+		return ret;
+	}
+
+	ican3_init_new_host_interface(mod);
+	ret = ican3_msg_newhostif(mod);
+	if (ret) {
+		dev_err(mod->dev, "unable to switch to new-style interface\n");
+		return ret;
+	}
+
+	/* default to "termination on" */
+	ret = ican3_set_termination(mod, true);
+	if (ret) {
+		dev_err(mod->dev, "unable to enable termination\n");
+		return ret;
+	}
+
+	/* default to "bus errors enabled" */
+	ret = ican3_set_buserror(mod, ICAN3_BUSERR_QUOTA_MAX);
+	if (ret) {
+		dev_err(mod->dev, "unable to set bus-error\n");
+		return ret;
+	}
+
+	ican3_init_fast_host_interface(mod);
+	ret = ican3_msg_fasthostif(mod);
+	if (ret) {
+		dev_err(mod->dev, "unable to switch to fast host interface\n");
+		return ret;
+	}
+
+	ret = ican3_set_id_filter(mod, true);
+	if (ret) {
+		dev_err(mod->dev, "unable to set acceptance filter\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+/*
+ * CAN Network Device
+ */
+
+static int ican3_open(struct net_device *ndev)
+{
+	struct ican3_dev *mod = netdev_priv(ndev);
+	u8 quota;
+	int ret;
+
+	/* open the CAN layer */
+	ret = open_candev(ndev);
+	if (ret) {
+		dev_err(mod->dev, "unable to start CAN layer\n");
+		return ret;
+	}
+
+	/* set the bus error generation state appropriately */
+	if (mod->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING)
+		quota = ICAN3_BUSERR_QUOTA_MAX;
+	else
+		quota = 0;
+
+	ret = ican3_set_buserror(mod, quota);
+	if (ret) {
+		dev_err(mod->dev, "unable to set bus-error\n");
+		close_candev(ndev);
+		return ret;
+	}
+
+	/* bring the bus online */
+	ret = ican3_set_bus_state(mod, true);
+	if (ret) {
+		dev_err(mod->dev, "unable to set bus-on\n");
+		close_candev(ndev);
+		return ret;
+	}
+
+	/* start up the network device */
+	mod->can.state = CAN_STATE_ERROR_ACTIVE;
+	netif_start_queue(ndev);
+
+	return 0;
+}
+
+static int ican3_stop(struct net_device *ndev)
+{
+	struct ican3_dev *mod = netdev_priv(ndev);
+	int ret;
+
+	/* stop the network device xmit routine */
+	netif_stop_queue(ndev);
+	mod->can.state = CAN_STATE_STOPPED;
+
+	/* bring the bus offline, stop receiving packets */
+	ret = ican3_set_bus_state(mod, false);
+	if (ret) {
+		dev_err(mod->dev, "unable to set bus-off\n");
+		return ret;
+	}
+
+	/* close the CAN layer */
+	close_candev(ndev);
+	return 0;
+}
+
+static int ican3_xmit(struct sk_buff *skb, struct net_device *ndev)
+{
+	struct ican3_dev *mod = netdev_priv(ndev);
+	struct net_device_stats *stats = &ndev->stats;
+	struct can_frame *cf = (struct can_frame *)skb->data;
+	struct ican3_fast_desc desc;
+	void __iomem *desc_addr;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mod->lock, flags);
+
+	/* check that we can actually transmit */
+	if (!ican3_txok(mod)) {
+		dev_err(mod->dev, "no free descriptors, stopping queue\n");
+		netif_stop_queue(ndev);
+		spin_unlock_irqrestore(&mod->lock, flags);
+		return NETDEV_TX_BUSY;
+	}
+
+	/* copy the control bits of the descriptor */
+	ican3_set_page(mod, mod->fasttx_start + (mod->fasttx_num / 16));
+	desc_addr = mod->dpm + ((mod->fasttx_num % 16) * sizeof(desc));
+	memset(&desc, 0, sizeof(desc));
+	memcpy_fromio(&desc, desc_addr, 1);
+
+	/* convert the Linux CAN frame into ICAN3 format */
+	can_frame_to_ican3(mod, cf, &desc);
+
+	/*
+	 * the programming manual says that you must set the IVALID bit, then
+	 * interrupt, then set the valid bit. Quite weird, but it seems to be
+	 * required for this to work
+	 */
+	desc.control |= DESC_IVALID;
+	memcpy_toio(desc_addr, &desc, sizeof(desc));
+
+	/* generate a MODULbus interrupt to the microcontroller */
+	iowrite8(0x01, &mod->dpmctrl->interrupt);
+
+	desc.control ^= DESC_VALID;
+	memcpy_toio(desc_addr, &desc, sizeof(desc));
+
+	/* update the next buffer pointer */
+	mod->fasttx_num = (desc.control & DESC_WRAP) ? 0
+						     : (mod->fasttx_num + 1);
+
+	/* update statistics */
+	stats->tx_packets++;
+	stats->tx_bytes += cf->can_dlc;
+	kfree_skb(skb);
+
+	/*
+	 * This hardware doesn't have TX-done notifications, so we'll try and
+	 * emulate it the best we can using ECHO skbs. Get the next TX
+	 * descriptor, and see if we have room to send. If not, stop the queue.
+	 * It will be woken when the ECHO skb for the current packet is recv'd.
+	 */
+
+	/* copy the control bits of the descriptor */
+	if (!ican3_txok(mod))
+		netif_stop_queue(ndev);
+
+	spin_unlock_irqrestore(&mod->lock, flags);
+	return NETDEV_TX_OK;
+}
+
+static const struct net_device_ops ican3_netdev_ops = {
+	.ndo_open	= ican3_open,
+	.ndo_stop	= ican3_stop,
+	.ndo_start_xmit	= ican3_xmit,
+};
+
+/*
+ * Low-level CAN Device
+ */
+
+/* This structure was stolen from drivers/net/can/sja1000/sja1000.c */
+static struct can_bittiming_const ican3_bittiming_const = {
+	.name = DRV_NAME,
+	.tseg1_min = 1,
+	.tseg1_max = 16,
+	.tseg2_min = 1,
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 64,
+	.brp_inc = 1,
+};
+
+/*
+ * This routine was stolen from drivers/net/can/sja1000/sja1000.c
+ *
+ * The bittiming register command for the ICAN3 just sets the bit timing
+ * registers on the SJA1000 chip directly
+ */
+static int ican3_set_bittiming(struct net_device *ndev)
+{
+	struct ican3_dev *mod = netdev_priv(ndev);
+	struct can_bittiming *bt = &mod->can.bittiming;
+	struct ican3_msg msg;
+	u8 btr0, btr1;
+
+	btr0 = ((bt->brp - 1) & 0x3f) | (((bt->sjw - 1) & 0x3) << 6);
+	btr1 = ((bt->prop_seg + bt->phase_seg1 - 1) & 0xf) |
+		(((bt->phase_seg2 - 1) & 0x7) << 4);
+	if (mod->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES)
+		btr1 |= 0x80;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.spec = MSG_CBTRREQ;
+	msg.len = cpu_to_le16(4);
+	msg.data[0] = 0x00;
+	msg.data[1] = 0x00;
+	msg.data[2] = btr0;
+	msg.data[3] = btr1;
+
+	return ican3_send_msg(mod, &msg);
+}
+
+static int ican3_set_mode(struct net_device *ndev, enum can_mode mode)
+{
+	struct ican3_dev *mod = netdev_priv(ndev);
+	int ret;
+
+	if (mode != CAN_MODE_START)
+		return -ENOTSUPP;
+
+	/* bring the bus online */
+	ret = ican3_set_bus_state(mod, true);
+	if (ret) {
+		dev_err(mod->dev, "unable to set bus-on\n");
+		return ret;
+	}
+
+	/* start up the network device */
+	mod->can.state = CAN_STATE_ERROR_ACTIVE;
+
+	if (netif_queue_stopped(ndev))
+		netif_wake_queue(ndev);
+
+	return 0;
+}
+
+static int ican3_get_berr_counter(const struct net_device *ndev,
+				  struct can_berr_counter *bec)
+{
+	struct ican3_dev *mod = netdev_priv(ndev);
+	int ret;
+
+	ret = ican3_send_inquiry(mod, INQUIRY_STATUS);
+	if (ret)
+		return ret;
+
+	ret = wait_for_completion_timeout(&mod->buserror_comp, HZ);
+	if (ret <= 0) {
+		dev_info(mod->dev, "%s timed out\n", __func__);
+		return -ETIMEDOUT;
+	}
+
+	bec->rxerr = mod->bec.rxerr;
+	bec->txerr = mod->bec.txerr;
+	return 0;
+}
+
+/*
+ * Sysfs Attributes
+ */
+
+static ssize_t ican3_sysfs_show_term(struct device *dev,
+				     struct device_attribute *attr,
+				     char *buf)
+{
+	struct ican3_dev *mod = netdev_priv(to_net_dev(dev));
+	int ret;
+
+	ret = ican3_send_inquiry(mod, INQUIRY_TERMINATION);
+	if (ret)
+		return ret;
+
+	ret = wait_for_completion_timeout(&mod->termination_comp, HZ);
+	if (ret <= 0) {
+		dev_info(mod->dev, "%s timed out\n", __func__);
+		return -ETIMEDOUT;
+	}
+
+	return snprintf(buf, PAGE_SIZE, "%u\n", mod->termination_enabled);
+}
+
+static ssize_t ican3_sysfs_set_term(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	struct ican3_dev *mod = netdev_priv(to_net_dev(dev));
+	unsigned long enable;
+	int ret;
+
+	if (strict_strtoul(buf, 0, &enable))
+		return -EINVAL;
+
+	ret = ican3_set_termination(mod, enable);
+	if (ret)
+		return ret;
+
+	return count;
+}
+
+static DEVICE_ATTR(termination, S_IWUGO | S_IRUGO, ican3_sysfs_show_term,
+						   ican3_sysfs_set_term);
+
+static struct attribute *ican3_sysfs_attrs[] = {
+	&dev_attr_termination.attr,
+	NULL,
+};
+
+static struct attribute_group ican3_sysfs_attr_group = {
+	.attrs = ican3_sysfs_attrs,
+};
+
+/*
+ * PCI Subsystem
+ */
+
+static int __devinit ican3_probe(struct platform_device *pdev)
+{
+	struct janz_platform_data *pdata;
+	struct net_device *ndev;
+	struct ican3_dev *mod;
+	struct resource *res;
+	struct device *dev;
+	int ret;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata)
+		return -ENXIO;
+
+	dev_dbg(&pdev->dev, "probe: module number %d\n", pdata->modno);
+
+	/* save the struct device for printing */
+	dev = &pdev->dev;
+
+	/* allocate the CAN device and private data */
+	ndev = alloc_candev(sizeof(*mod), 0);
+	if (!ndev) {
+		dev_err(dev, "unable to allocate CANdev\n");
+		ret = -ENOMEM;
+		goto out_return;
+	}
+
+	platform_set_drvdata(pdev, ndev);
+	mod = netdev_priv(ndev);
+	mod->ndev = ndev;
+	mod->dev = &pdev->dev;
+	mod->num = pdata->modno;
+	netif_napi_add(ndev, &mod->napi, ican3_napi, ICAN3_RX_BUFFERS);
+	spin_lock_init(&mod->lock);
+	init_completion(&mod->termination_comp);
+	init_completion(&mod->buserror_comp);
+
+	/* setup device-specific sysfs attributes */
+	ndev->sysfs_groups[0] = &ican3_sysfs_attr_group;
+
+	/* the first unallocated page in the DPM is 9 */
+	mod->free_page = DPM_FREE_START;
+
+	ndev->netdev_ops = &ican3_netdev_ops;
+	ndev->flags |= IFF_ECHO;
+	SET_NETDEV_DEV(ndev, &pdev->dev);
+
+	mod->can.clock.freq = ICAN3_CAN_CLOCK;
+	mod->can.bittiming_const = &ican3_bittiming_const;
+	mod->can.do_set_bittiming = ican3_set_bittiming;
+	mod->can.do_set_mode = ican3_set_mode;
+	mod->can.do_get_berr_counter = ican3_get_berr_counter;
+	mod->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES
+				    | CAN_CTRLMODE_BERR_REPORTING;
+
+	/* find our IRQ number */
+	mod->irq = platform_get_irq(pdev, 0);
+	if (mod->irq < 0) {
+		dev_err(dev, "IRQ line not found\n");
+		ret = -ENODEV;
+		goto out_free_ndev;
+	}
+
+	ndev->irq = mod->irq;
+
+	/* get access to the MODULbus registers for this module */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(dev, "MODULbus registers not found\n");
+		ret = -ENODEV;
+		goto out_free_ndev;
+	}
+
+	mod->dpm = ioremap(res->start, resource_size(res));
+	if (!mod->dpm) {
+		dev_err(dev, "MODULbus registers not ioremap\n");
+		ret = -ENOMEM;
+		goto out_free_ndev;
+	}
+
+	mod->dpmctrl = mod->dpm + DPM_PAGE_SIZE;
+
+	/* get access to the control registers for this module */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	if (!res) {
+		dev_err(dev, "CONTROL registers not found\n");
+		ret = -ENODEV;
+		goto out_iounmap_dpm;
+	}
+
+	mod->ctrl = ioremap(res->start, resource_size(res));
+	if (!mod->ctrl) {
+		dev_err(dev, "CONTROL registers not ioremap\n");
+		ret = -ENOMEM;
+		goto out_iounmap_dpm;
+	}
+
+	/* disable our IRQ, then hookup the IRQ handler */
+	iowrite8(1 << mod->num, &mod->ctrl->int_disable);
+	ret = request_irq(mod->irq, ican3_irq, IRQF_SHARED, DRV_NAME, mod);
+	if (ret) {
+		dev_err(dev, "unable to request IRQ\n");
+		goto out_iounmap_ctrl;
+	}
+
+	/* reset and initialize the CAN controller into fast mode */
+	napi_enable(&mod->napi);
+	ret = ican3_startup_module(mod);
+	if (ret) {
+		dev_err(dev, "%s: unable to start CANdev\n", __func__);
+		goto out_free_irq;
+	}
+
+	/* register with the Linux CAN layer */
+	ret = register_candev(ndev);
+	if (ret) {
+		dev_err(dev, "%s: unable to register CANdev\n", __func__);
+		goto out_free_irq;
+	}
+
+	dev_info(dev, "module %d: registered CAN device\n", pdata->modno);
+	return 0;
+
+out_free_irq:
+	napi_disable(&mod->napi);
+	iowrite8(1 << mod->num, &mod->ctrl->int_disable);
+	free_irq(mod->irq, mod);
+out_iounmap_ctrl:
+	iounmap(mod->ctrl);
+out_iounmap_dpm:
+	iounmap(mod->dpm);
+out_free_ndev:
+	free_candev(ndev);
+out_return:
+	return ret;
+}
+
+static int __devexit ican3_remove(struct platform_device *pdev)
+{
+	struct net_device *ndev = platform_get_drvdata(pdev);
+	struct ican3_dev *mod = netdev_priv(ndev);
+
+	/* unregister the netdevice, stop interrupts */
+	unregister_netdev(ndev);
+	napi_disable(&mod->napi);
+	iowrite8(1 << mod->num, &mod->ctrl->int_disable);
+	free_irq(mod->irq, mod);
+
+	/* put the module into reset */
+	ican3_shutdown_module(mod);
+
+	/* unmap all registers */
+	iounmap(mod->ctrl);
+	iounmap(mod->dpm);
+
+	free_candev(ndev);
+
+	return 0;
+}
+
+static struct platform_driver ican3_driver = {
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+	.probe		= ican3_probe,
+	.remove		= __devexit_p(ican3_remove),
+};
+
+static int __init ican3_init(void)
+{
+	return platform_driver_register(&ican3_driver);
+}
+
+static void __exit ican3_exit(void)
+{
+	platform_driver_unregister(&ican3_driver);
+}
+
+MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
+MODULE_DESCRIPTION("Janz MODULbus VMOD-ICAN3 Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:janz-ican3");
+
+module_init(ican3_init);
+module_exit(ican3_exit);

From 800e69fbd2faea906cabd10ddb77e36410f2bd9c Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Wed, 7 Apr 2010 10:08:01 +0200
Subject: [PATCH 3523/3638] gpio: Add support for Janz VMOD-TTL Digital IO
 module

The Janz VMOD-TTL is a MODULbus daughterboard which fits onto any MODULbus
carrier board. It essentially consists of some various logic and a Zilog
Z8536 CIO Counter/Timer and Parallel IO Unit.

The board must be physically configured with jumpers to enable a user to
drive output signals. I am only interested in outputs, so I have made this
driver as simple as possible. It only supports a very minimal subset of the
features provided by the Z8536 chip.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/gpio/Kconfig    |  10 ++
 drivers/gpio/Makefile   |   1 +
 drivers/gpio/janz-ttl.c | 258 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 269 insertions(+)
 create mode 100644 drivers/gpio/janz-ttl.c

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 56eb0c59c51..0e9c16b5bbc 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -325,4 +325,14 @@ config GPIO_UCB1400
 	  To compile this driver as a module, choose M here: the
 	  module will be called ucb1400_gpio.
 
+comment "MODULbus GPIO expanders:"
+
+config GPIO_JANZ_TTL
+	tristate "Janz VMOD-TTL Digital IO Module"
+	depends on MFD_JANZ_CMODIO
+	help
+	  This enables support for the Janz VMOD-TTL Digital IO module.
+	  This driver provides support for driving the pins in output
+	  mode only. Input mode is not supported.
+
 endif
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index d3226d395a9..94a96c51c74 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -29,3 +29,4 @@ obj-$(CONFIG_GPIO_WM8350)	+= wm8350-gpiolib.o
 obj-$(CONFIG_GPIO_WM8994)	+= wm8994-gpio.o
 obj-$(CONFIG_GPIO_SCH)		+= sch_gpio.o
 obj-$(CONFIG_GPIO_RDC321X)	+= rdc321x-gpio.o
+obj-$(CONFIG_GPIO_JANZ_TTL)	+= janz-ttl.o
diff --git a/drivers/gpio/janz-ttl.c b/drivers/gpio/janz-ttl.c
new file mode 100644
index 00000000000..813ac077e5d
--- /dev/null
+++ b/drivers/gpio/janz-ttl.c
@@ -0,0 +1,258 @@
+/*
+ * Janz MODULbus VMOD-TTL GPIO Driver
+ *
+ * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/slab.h>
+
+#include <linux/mfd/janz.h>
+
+#define DRV_NAME "janz-ttl"
+
+#define PORTA_DIRECTION		0x23
+#define PORTB_DIRECTION		0x2B
+#define PORTC_DIRECTION		0x06
+#define PORTA_IOCTL		0x24
+#define PORTB_IOCTL		0x2C
+#define PORTC_IOCTL		0x07
+
+#define MASTER_INT_CTL		0x00
+#define MASTER_CONF_CTL		0x01
+
+#define CONF_PAE		(1 << 2)
+#define CONF_PBE		(1 << 7)
+#define CONF_PCE		(1 << 4)
+
+struct ttl_control_regs {
+	__be16 portc;
+	__be16 portb;
+	__be16 porta;
+	__be16 control;
+};
+
+struct ttl_module {
+	struct gpio_chip gpio;
+
+	/* base address of registers */
+	struct ttl_control_regs __iomem *regs;
+
+	u8 portc_shadow;
+	u8 portb_shadow;
+	u8 porta_shadow;
+
+	spinlock_t lock;
+};
+
+static int ttl_get_value(struct gpio_chip *gpio, unsigned offset)
+{
+	struct ttl_module *mod = dev_get_drvdata(gpio->dev);
+	u8 *shadow;
+	int ret;
+
+	if (offset < 8) {
+		shadow = &mod->porta_shadow;
+	} else if (offset < 16) {
+		shadow = &mod->portb_shadow;
+		offset -= 8;
+	} else {
+		shadow = &mod->portc_shadow;
+		offset -= 16;
+	}
+
+	spin_lock(&mod->lock);
+	ret = *shadow & (1 << offset);
+	spin_unlock(&mod->lock);
+	return ret;
+}
+
+static void ttl_set_value(struct gpio_chip *gpio, unsigned offset, int value)
+{
+	struct ttl_module *mod = dev_get_drvdata(gpio->dev);
+	void __iomem *port;
+	u8 *shadow;
+
+	if (offset < 8) {
+		port = &mod->regs->porta;
+		shadow = &mod->porta_shadow;
+	} else if (offset < 16) {
+		port = &mod->regs->portb;
+		shadow = &mod->portb_shadow;
+		offset -= 8;
+	} else {
+		port = &mod->regs->portc;
+		shadow = &mod->portc_shadow;
+		offset -= 16;
+	}
+
+	spin_lock(&mod->lock);
+	if (value)
+		*shadow |= (1 << offset);
+	else
+		*shadow &= ~(1 << offset);
+
+	iowrite16be(*shadow, port);
+	spin_unlock(&mod->lock);
+}
+
+static void __devinit ttl_write_reg(struct ttl_module *mod, u8 reg, u16 val)
+{
+	iowrite16be(reg, &mod->regs->control);
+	iowrite16be(val, &mod->regs->control);
+}
+
+static void __devinit ttl_setup_device(struct ttl_module *mod)
+{
+	/* reset the device to a known state */
+	iowrite16be(0x0000, &mod->regs->control);
+	iowrite16be(0x0001, &mod->regs->control);
+	iowrite16be(0x0000, &mod->regs->control);
+
+	/* put all ports in open-drain mode */
+	ttl_write_reg(mod, PORTA_IOCTL, 0x00ff);
+	ttl_write_reg(mod, PORTB_IOCTL, 0x00ff);
+	ttl_write_reg(mod, PORTC_IOCTL, 0x000f);
+
+	/* set all ports as outputs */
+	ttl_write_reg(mod, PORTA_DIRECTION, 0x0000);
+	ttl_write_reg(mod, PORTB_DIRECTION, 0x0000);
+	ttl_write_reg(mod, PORTC_DIRECTION, 0x0000);
+
+	/* set all ports to drive zeroes */
+	iowrite16be(0x0000, &mod->regs->porta);
+	iowrite16be(0x0000, &mod->regs->portb);
+	iowrite16be(0x0000, &mod->regs->portc);
+
+	/* enable all ports */
+	ttl_write_reg(mod, MASTER_CONF_CTL, CONF_PAE | CONF_PBE | CONF_PCE);
+}
+
+static int __devinit ttl_probe(struct platform_device *pdev)
+{
+	struct janz_platform_data *pdata;
+	struct device *dev = &pdev->dev;
+	struct ttl_module *mod;
+	struct gpio_chip *gpio;
+	struct resource *res;
+	int ret;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(dev, "no platform data\n");
+		ret = -ENXIO;
+		goto out_return;
+	}
+
+	mod = kzalloc(sizeof(*mod), GFP_KERNEL);
+	if (!mod) {
+		dev_err(dev, "unable to allocate private data\n");
+		ret = -ENOMEM;
+		goto out_return;
+	}
+
+	platform_set_drvdata(pdev, mod);
+	spin_lock_init(&mod->lock);
+
+	/* get access to the MODULbus registers for this module */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(dev, "MODULbus registers not found\n");
+		ret = -ENODEV;
+		goto out_free_mod;
+	}
+
+	mod->regs = ioremap(res->start, resource_size(res));
+	if (!mod->regs) {
+		dev_err(dev, "MODULbus registers not ioremap\n");
+		ret = -ENOMEM;
+		goto out_free_mod;
+	}
+
+	ttl_setup_device(mod);
+
+	/* Initialize the GPIO data structures */
+	gpio = &mod->gpio;
+	gpio->dev = &pdev->dev;
+	gpio->label = pdev->name;
+	gpio->get = ttl_get_value;
+	gpio->set = ttl_set_value;
+	gpio->owner = THIS_MODULE;
+
+	/* request dynamic allocation */
+	gpio->base = -1;
+	gpio->ngpio = 20;
+
+	ret = gpiochip_add(gpio);
+	if (ret) {
+		dev_err(dev, "unable to add GPIO chip\n");
+		goto out_iounmap_regs;
+	}
+
+	dev_info(&pdev->dev, "module %d: registered GPIO device\n",
+			     pdata->modno);
+	return 0;
+
+out_iounmap_regs:
+	iounmap(mod->regs);
+out_free_mod:
+	kfree(mod);
+out_return:
+	return ret;
+}
+
+static int __devexit ttl_remove(struct platform_device *pdev)
+{
+	struct ttl_module *mod = platform_get_drvdata(pdev);
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	ret = gpiochip_remove(&mod->gpio);
+	if (ret) {
+		dev_err(dev, "unable to remove GPIO chip\n");
+		return ret;
+	}
+
+	iounmap(mod->regs);
+	kfree(mod);
+	return 0;
+}
+
+static struct platform_driver ttl_driver = {
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+	.probe		= ttl_probe,
+	.remove		= __devexit_p(ttl_remove),
+};
+
+static int __init ttl_init(void)
+{
+	return platform_driver_register(&ttl_driver);
+}
+
+static void __exit ttl_exit(void)
+{
+	platform_driver_unregister(&ttl_driver);
+}
+
+MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
+MODULE_DESCRIPTION("Janz MODULbus VMOD-TTL Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:janz-ttl");
+
+module_init(ttl_init);
+module_exit(ttl_exit);

From 7cc1392aabc31d2af9bd3cc5febbd91977452181 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 2 Apr 2010 16:31:03 +0100
Subject: [PATCH 3524/3638] mfd: Improve WM831x AUXADC completion handling

Currently completion of WM831x AUXADC conversions is monitored by
checking for convertor enable. Due to the mechanism used to ensure
data corruption is avoided when reading AUXADC data there may under
heavy I/O be a window where this bit has cleared but the conversion
results have not been updated. Data availability is only guaranteed
after the AUXADC data interrupt has been asserted.

Avoid this by always using the interrupt to detect completion. If the
chip IRQ is not set up then we poll the IRQ status register for up to
5ms. If it is set up then we rely on the data done interrupt with a
vastly increased timeout, failing the conversion if the interrupt is
not generated.

This also saves a register read when using interrupts.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/wm831x-core.c | 61 +++++++++++++++++++++++++++++----------
 1 file changed, 46 insertions(+), 15 deletions(-)

diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index f2ab025ad97..da00ca9e0c7 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -322,7 +322,11 @@ EXPORT_SYMBOL_GPL(wm831x_set_bits);
  */
 int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
 {
-	int ret, src;
+	int ret, src, irq_masked, timeout;
+
+	/* Are we using the interrupt? */
+	irq_masked = wm831x_reg_read(wm831x, WM831X_INTERRUPT_STATUS_1_MASK);
+	irq_masked &= WM831X_AUXADC_DATA_EINT;
 
 	mutex_lock(&wm831x->auxadc_lock);
 
@@ -342,6 +346,9 @@ int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
 		goto out;
 	}
 
+	/* Clear any notification from a very late arriving interrupt */
+	try_wait_for_completion(&wm831x->auxadc_done);
+
 	ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
 			      WM831X_AUX_CVT_ENA, WM831X_AUX_CVT_ENA);
 	if (ret < 0) {
@@ -349,22 +356,46 @@ int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
 		goto disable;
 	}
 
-	/* If an interrupt arrived late clean up after it */
-	try_wait_for_completion(&wm831x->auxadc_done);
+	if (irq_masked) {
+		/* If we're not using interrupts then poll the
+		 * interrupt status register */
+		timeout = 5;
+		while (timeout) {
+			msleep(1);
 
-	/* Ignore the result to allow us to soldier on without IRQ hookup */
-	wait_for_completion_timeout(&wm831x->auxadc_done, msecs_to_jiffies(5));
+			ret = wm831x_reg_read(wm831x,
+					      WM831X_INTERRUPT_STATUS_1);
+			if (ret < 0) {
+				dev_err(wm831x->dev,
+					"ISR 1 read failed: %d\n", ret);
+				goto disable;
+			}
 
-	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_CONTROL);
-	if (ret < 0) {
-		dev_err(wm831x->dev, "AUXADC status read failed: %d\n", ret);
-		goto disable;
-	}
-
-	if (ret & WM831X_AUX_CVT_ENA) {
-		dev_err(wm831x->dev, "Timed out reading AUXADC\n");
-		ret = -EBUSY;
-		goto disable;
+			/* Did it complete? */
+			if (ret & WM831X_AUXADC_DATA_EINT) {
+				wm831x_reg_write(wm831x,
+						 WM831X_INTERRUPT_STATUS_1,
+						 WM831X_AUXADC_DATA_EINT);
+				break;
+			} else {
+				dev_err(wm831x->dev,
+					"AUXADC conversion timeout\n");
+				ret = -EBUSY;
+				goto disable;
+			}
+		}
+	} else {
+		/* If we are using interrupts then wait for the
+		 * interrupt to complete.  Use an extremely long
+		 * timeout to handle situations with heavy load where
+		 * the notification of the interrupt may be delayed by
+		 * threaded IRQ handling. */
+		if (!wait_for_completion_timeout(&wm831x->auxadc_done,
+						 msecs_to_jiffies(500))) {
+			dev_err(wm831x->dev, "Timed out waiting for AUXADC\n");
+			ret = -EBUSY;
+			goto disable;
+		}
 	}
 
 	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);

From 374b72ecacc074f8cfccea5a70bdd64d8953dffd Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Fri, 2 Apr 2010 18:24:20 +0200
Subject: [PATCH 3525/3638] gpio: Update gfp/slab.h includes for rdc321x

Implicit slab.h inclusion via percpu.h is about to go away.  Make sure
gfp.h or slab.h is included as necessary.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
 drivers/gpio/rdc321x-gpio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/rdc321x-gpio.c
index 46c55193b9d..e344907da5b 100644
--- a/drivers/gpio/rdc321x-gpio.c
+++ b/drivers/gpio/rdc321x-gpio.c
@@ -27,6 +27,7 @@
 #include <linux/pci.h>
 #include <linux/gpio.h>
 #include <linux/mfd/rdc321x.h>
+#include <linux/slab.h>
 
 struct rdc321x_gpio {
 	spinlock_t		lock;

From d183fcc975cbbc9c427deb2d7948ab03673995c9 Mon Sep 17 00:00:00 2001
From: Todd Fischer <todd.fischer@ridgerun.com>
Date: Mon, 5 Apr 2010 20:23:56 -0600
Subject: [PATCH 3526/3638] mfd: Move TPS6507x register definition to header
 file.

Other sub-drivers for the TPS6507x chip will need to use register
definition so move it out of the source file and into a header file.

Signed-off-by: Todd Fischer <todd.fischer@ridgerun.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/regulator/tps6507x-regulator.c |  60 +----------
 include/linux/mfd/tps6507x.h           | 134 +++++++++++++++++++++++++
 2 files changed, 135 insertions(+), 59 deletions(-)
 create mode 100644 include/linux/mfd/tps6507x.h

diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 74841abcc9c..23c0597ab1f 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -25,65 +25,7 @@
 #include <linux/i2c.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
-
-/* Register definitions */
-#define	TPS6507X_REG_PPATH1				0X01
-#define	TPS6507X_REG_INT				0X02
-#define	TPS6507X_REG_CHGCONFIG0				0X03
-#define	TPS6507X_REG_CHGCONFIG1				0X04
-#define	TPS6507X_REG_CHGCONFIG2				0X05
-#define	TPS6507X_REG_CHGCONFIG3				0X06
-#define	TPS6507X_REG_REG_ADCONFIG			0X07
-#define	TPS6507X_REG_TSCMODE				0X08
-#define	TPS6507X_REG_ADRESULT_1				0X09
-#define	TPS6507X_REG_ADRESULT_2				0X0A
-#define	TPS6507X_REG_PGOOD				0X0B
-#define	TPS6507X_REG_PGOODMASK				0X0C
-#define	TPS6507X_REG_CON_CTRL1				0X0D
-#define	TPS6507X_REG_CON_CTRL2				0X0E
-#define	TPS6507X_REG_CON_CTRL3				0X0F
-#define	TPS6507X_REG_DEFDCDC1				0X10
-#define	TPS6507X_REG_DEFDCDC2_LOW			0X11
-#define	TPS6507X_REG_DEFDCDC2_HIGH			0X12
-#define	TPS6507X_REG_DEFDCDC3_LOW			0X13
-#define	TPS6507X_REG_DEFDCDC3_HIGH			0X14
-#define	TPS6507X_REG_DEFSLEW				0X15
-#define	TPS6507X_REG_LDO_CTRL1				0X16
-#define	TPS6507X_REG_DEFLDO2				0X17
-#define	TPS6507X_REG_WLED_CTRL1				0X18
-#define	TPS6507X_REG_WLED_CTRL2				0X19
-
-/* CON_CTRL1 bitfields */
-#define	TPS6507X_CON_CTRL1_DCDC1_ENABLE		BIT(4)
-#define	TPS6507X_CON_CTRL1_DCDC2_ENABLE		BIT(3)
-#define	TPS6507X_CON_CTRL1_DCDC3_ENABLE		BIT(2)
-#define	TPS6507X_CON_CTRL1_LDO1_ENABLE		BIT(1)
-#define	TPS6507X_CON_CTRL1_LDO2_ENABLE		BIT(0)
-
-/* DEFDCDC1 bitfields */
-#define TPS6507X_DEFDCDC1_DCDC1_EXT_ADJ_EN	BIT(7)
-#define TPS6507X_DEFDCDC1_DCDC1_MASK		0X3F
-
-/* DEFDCDC2_LOW bitfields */
-#define TPS6507X_DEFDCDC2_LOW_DCDC2_MASK	0X3F
-
-/* DEFDCDC2_HIGH bitfields */
-#define TPS6507X_DEFDCDC2_HIGH_DCDC2_MASK	0X3F
-
-/* DEFDCDC3_LOW bitfields */
-#define TPS6507X_DEFDCDC3_LOW_DCDC3_MASK	0X3F
-
-/* DEFDCDC3_HIGH bitfields */
-#define TPS6507X_DEFDCDC3_HIGH_DCDC3_MASK	0X3F
-
-/* TPS6507X_REG_LDO_CTRL1 bitfields */
-#define TPS6507X_REG_LDO_CTRL1_LDO1_MASK	0X0F
-
-/* TPS6507X_REG_DEFLDO2 bitfields */
-#define TPS6507X_REG_DEFLDO2_LDO2_MASK		0X3F
-
-/* VDCDC MASK */
-#define TPS6507X_DEFDCDCX_DCDC_MASK		0X3F
+#include <linux/mfd/tps6507x.h>
 
 /* DCDC's */
 #define TPS6507X_DCDC_1				0
diff --git a/include/linux/mfd/tps6507x.h b/include/linux/mfd/tps6507x.h
new file mode 100644
index 00000000000..155bee1f782
--- /dev/null
+++ b/include/linux/mfd/tps6507x.h
@@ -0,0 +1,134 @@
+/* linux/mfd/tps6507x.h
+ *
+ * Functions to access TPS65070 power management chip.
+ *
+ * Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com)
+ *
+ *
+ *  For licencing details see kernel-base/COPYING
+ */
+
+#ifndef __LINUX_MFD_TPS6507X_H
+#define __LINUX_MFD_TPS6507X_H
+
+/*
+ * ----------------------------------------------------------------------------
+ * Registers, all 8 bits
+ * ----------------------------------------------------------------------------
+ */
+
+
+/* Register definitions */
+#define	TPS6507X_REG_PPATH1			0X01
+#define	TPS6507X_CHG_USB			BIT(7)
+#define	TPS6507X_CHG_AC				BIT(6)
+#define	TPS6507X_CHG_USB_PW_ENABLE		BIT(5)
+#define	TPS6507X_CHG_AC_PW_ENABLE		BIT(4)
+#define	TPS6507X_CHG_AC_CURRENT			BIT(2)
+#define	TPS6507X_CHG_USB_CURRENT		BIT(0)
+
+#define	TPS6507X_REG_INT			0X02
+#define	TPS6507X_REG_MASK_AC_USB		BIT(7)
+#define	TPS6507X_REG_MASK_TSC			BIT(6)
+#define	TPS6507X_REG_MASK_PB_IN			BIT(5)
+#define	TPS6507X_REG_TSC_INT			BIT(3)
+#define	TPS6507X_REG_PB_IN_INT			BIT(2)
+#define	TPS6507X_REG_AC_USB_APPLIED		BIT(1)
+#define	TPS6507X_REG_AC_USB_REMOVED		BIT(0)
+
+#define	TPS6507X_REG_CHGCONFIG0			0X03
+
+#define	TPS6507X_REG_CHGCONFIG1			0X04
+#define	TPS6507X_CON_CTRL1_DCDC1_ENABLE		BIT(4)
+#define	TPS6507X_CON_CTRL1_DCDC2_ENABLE		BIT(3)
+#define	TPS6507X_CON_CTRL1_DCDC3_ENABLE		BIT(2)
+#define	TPS6507X_CON_CTRL1_LDO1_ENABLE		BIT(1)
+#define	TPS6507X_CON_CTRL1_LDO2_ENABLE		BIT(0)
+
+#define	TPS6507X_REG_CHGCONFIG2			0X05
+
+#define	TPS6507X_REG_CHGCONFIG3			0X06
+
+#define	TPS6507X_REG_ADCONFIG			0X07
+#define	TPS6507X_ADCONFIG_AD_ENABLE		BIT(7)
+#define	TPS6507X_ADCONFIG_START_CONVERSION	BIT(6)
+#define	TPS6507X_ADCONFIG_CONVERSION_DONE	BIT(5)
+#define	TPS6507X_ADCONFIG_VREF_ENABLE		BIT(4)
+#define	TPS6507X_ADCONFIG_INPUT_AD_IN1		0
+#define	TPS6507X_ADCONFIG_INPUT_AD_IN2		1
+#define	TPS6507X_ADCONFIG_INPUT_AD_IN3		2
+#define	TPS6507X_ADCONFIG_INPUT_AD_IN4		3
+#define	TPS6507X_ADCONFIG_INPUT_TS_PIN		4
+#define	TPS6507X_ADCONFIG_INPUT_BAT_CURRENT	5
+#define	TPS6507X_ADCONFIG_INPUT_AC_VOLTAGE	6
+#define	TPS6507X_ADCONFIG_INPUT_SYS_VOLTAGE	7
+#define	TPS6507X_ADCONFIG_INPUT_CHARGER_VOLTAGE 8
+#define	TPS6507X_ADCONFIG_INPUT_BAT_VOLTAGE	9
+#define	TPS6507X_ADCONFIG_INPUT_THRESHOLD_VOLTAGE 10
+#define	TPS6507X_ADCONFIG_INPUT_ISET1_VOLTAGE	11
+#define	TPS6507X_ADCONFIG_INPUT_ISET2_VOLTAGE	12
+#define	TPS6507X_ADCONFIG_INPUT_REAL_TSC	14
+#define	TPS6507X_ADCONFIG_INPUT_TSC		15
+
+#define	TPS6507X_REG_TSCMODE			0X08
+#define	TPS6507X_TSCMODE_X_POSITION		0
+#define	TPS6507X_TSCMODE_Y_POSITION		1
+#define	TPS6507X_TSCMODE_PRESSURE		2
+#define	TPS6507X_TSCMODE_X_PLATE		3
+#define	TPS6507X_TSCMODE_Y_PLATE		4
+#define	TPS6507X_TSCMODE_STANDBY		5
+#define	TPS6507X_TSCMODE_ADC_INPUT		6
+#define	TPS6507X_TSCMODE_DISABLE		7
+
+#define	TPS6507X_REG_ADRESULT_1			0X09
+
+#define	TPS6507X_REG_ADRESULT_2			0X0A
+#define	TPS6507X_REG_ADRESULT_2_MASK		(BIT(1) | BIT(0))
+
+#define	TPS6507X_REG_PGOOD			0X0B
+
+#define	TPS6507X_REG_PGOODMASK			0X0C
+
+#define	TPS6507X_REG_CON_CTRL1			0X0D
+#define	TPS6507X_CON_CTRL1_DCDC1_ENABLE		BIT(4)
+#define	TPS6507X_CON_CTRL1_DCDC2_ENABLE		BIT(3)
+#define	TPS6507X_CON_CTRL1_DCDC3_ENABLE		BIT(2)
+#define	TPS6507X_CON_CTRL1_LDO1_ENABLE		BIT(1)
+#define	TPS6507X_CON_CTRL1_LDO2_ENABLE		BIT(0)
+
+#define	TPS6507X_REG_CON_CTRL2			0X0E
+
+#define	TPS6507X_REG_CON_CTRL3			0X0F
+
+#define	TPS6507X_REG_DEFDCDC1			0X10
+#define TPS6507X_DEFDCDC1_DCDC1_EXT_ADJ_EN	BIT(7)
+#define TPS6507X_DEFDCDC1_DCDC1_MASK		0X3F
+
+#define	TPS6507X_REG_DEFDCDC2_LOW		0X11
+#define TPS6507X_DEFDCDC2_LOW_DCDC2_MASK	0X3F
+
+#define	TPS6507X_REG_DEFDCDC2_HIGH		0X12
+#define TPS6507X_DEFDCDC2_HIGH_DCDC2_MASK	0X3F
+
+#define	TPS6507X_REG_DEFDCDC3_LOW		0X13
+#define TPS6507X_DEFDCDC3_LOW_DCDC3_MASK	0X3F
+
+#define	TPS6507X_REG_DEFDCDC3_HIGH		0X14
+#define TPS6507X_DEFDCDC3_HIGH_DCDC3_MASK	0X3F
+
+#define	TPS6507X_REG_DEFSLEW			0X15
+
+#define	TPS6507X_REG_LDO_CTRL1			0X16
+#define TPS6507X_REG_LDO_CTRL1_LDO1_MASK	0X0F
+
+#define	TPS6507X_REG_DEFLDO2			0X17
+#define TPS6507X_REG_DEFLDO2_LDO2_MASK		0X3F
+
+#define	TPS6507X_REG_WLED_CTRL1			0X18
+
+#define	TPS6507X_REG_WLED_CTRL2			0X19
+
+/* VDCDC MASK */
+#define TPS6507X_DEFDCDCX_DCDC_MASK		0X3F
+
+#endif /*  __LINUX_MFD_TPS6507X_H */

From 0bc20bba357f18a0e52f45afc452d0b69cf06f76 Mon Sep 17 00:00:00 2001
From: Todd Fischer <todd.fischer@ridgerun.com>
Date: Mon, 5 Apr 2010 20:23:57 -0600
Subject: [PATCH 3527/3638] mfd: Add tps6507x board data structure

Add mfd structure which refrences sub-driver initialization data. For example,
for a giving hardware implementation, the voltage regulator sub-driver
initialization data provides the mapping betten a voltage regulator and what
the output voltage is being used for.

Signed-off-by: Todd Fischer <todd.fischer@ridgerun.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 arch/arm/mach-davinci/board-da850-evm.c |  7 ++++++-
 drivers/regulator/tps6507x-regulator.c  | 14 ++++++++++++--
 include/linux/mfd/tps6507x.h            | 11 +++++++++++
 3 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index abd04932917..95adfd42d0e 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -17,6 +17,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c/at24.h>
 #include <linux/i2c/pca953x.h>
+#include <linux/mfd/tps6507x.h>
 #include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
@@ -533,10 +534,14 @@ struct regulator_init_data tps65070_regulator_data[] = {
 	},
 };
 
+static struct tps6507x_board tps_board = {
+	.tps6507x_pmic_init_data = &tps65070_regulator_data[0],
+};
+
 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
 	{
 		I2C_BOARD_INFO("tps6507x", 0x48),
-		.platform_data = &tps65070_regulator_data[0],
+		.platform_data = &tps_board,
 	},
 };
 
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 23c0597ab1f..c3f1bf822fd 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -489,6 +489,7 @@ static int __devinit tps_6507x_probe(struct i2c_client *client,
 	struct regulator_init_data *init_data;
 	struct regulator_dev *rdev;
 	struct tps_pmic *tps;
+	struct tps6507x_board *tps_board;
 	int i;
 	int error;
 
@@ -496,13 +497,22 @@ static int __devinit tps_6507x_probe(struct i2c_client *client,
 				I2C_FUNC_SMBUS_BYTE_DATA))
 		return -EIO;
 
+	/**
+	 * tps_board points to pmic related constants
+	 * coming from the board-evm file.
+	 */
+
+	tps_board = dev_get_platdata(&client->dev);
+	if (!tps_board)
+		return -EINVAL;
+
 	/**
 	 * init_data points to array of regulator_init structures
 	 * coming from the board-evm file.
 	 */
-	init_data = client->dev.platform_data;
+	init_data = tps_board->tps6507x_pmic_init_data;
 	if (!init_data)
-		return -EIO;
+		return -EINVAL;
 
 	tps = kzalloc(sizeof(*tps), GFP_KERNEL);
 	if (!tps)
diff --git a/include/linux/mfd/tps6507x.h b/include/linux/mfd/tps6507x.h
index 155bee1f782..fd73af5fb95 100644
--- a/include/linux/mfd/tps6507x.h
+++ b/include/linux/mfd/tps6507x.h
@@ -131,4 +131,15 @@
 /* VDCDC MASK */
 #define TPS6507X_DEFDCDCX_DCDC_MASK		0X3F
 
+/**
+ * struct tps6507x_board - packages regulator and touchscreen init data
+ * @tps6507x_regulator_data: regulator initialization values
+ *
+ * Board data may be used to initialize regulator and touchscreen.
+ */
+
+struct tps6507x_board {
+	struct regulator_init_data *tps6507x_pmic_init_data;
+};
+
 #endif /*  __LINUX_MFD_TPS6507X_H */

From 4ce5ba5ba2dfc8186bf31fe7f2d23ff6b5384124 Mon Sep 17 00:00:00 2001
From: Todd Fischer <todd.fischer@ridgerun.com>
Date: Mon, 5 Apr 2010 20:23:58 -0600
Subject: [PATCH 3528/3638] regulator: tps6057x namespace cleanup

Move from using tps or tsp6507x to tps6057x_pmic in a consistent manner.

Signed-off-by: Todd Fischer <todd.fischer@ridgerun.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/regulator/tps6507x-regulator.c | 172 +++++++++++++------------
 1 file changed, 87 insertions(+), 85 deletions(-)

diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index c3f1bf822fd..ea44741fcd4 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -104,7 +104,7 @@ struct tps_info {
 	const u16 *table;
 };
 
-struct tps_pmic {
+struct tps6507x_pmic {
 	struct regulator_desc desc[TPS6507X_NUM_REGULATOR];
 	struct i2c_client *client;
 	struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR];
@@ -112,23 +112,23 @@ struct tps_pmic {
 	struct mutex io_lock;
 };
 
-static inline int tps_6507x_read(struct tps_pmic *tps, u8 reg)
+static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg)
 {
 	return i2c_smbus_read_byte_data(tps->client, reg);
 }
 
-static inline int tps_6507x_write(struct tps_pmic *tps, u8 reg, u8 val)
+static inline int tps6507x_pmic_write(struct tps6507x_pmic *tps, u8 reg, u8 val)
 {
 	return i2c_smbus_write_byte_data(tps->client, reg, val);
 }
 
-static int tps_6507x_set_bits(struct tps_pmic *tps, u8 reg, u8 mask)
+static int tps6507x_pmic_set_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask)
 {
 	int err, data;
 
 	mutex_lock(&tps->io_lock);
 
-	data = tps_6507x_read(tps, reg);
+	data = tps6507x_pmic_read(tps, reg);
 	if (data < 0) {
 		dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
 		err = data;
@@ -136,7 +136,7 @@ static int tps_6507x_set_bits(struct tps_pmic *tps, u8 reg, u8 mask)
 	}
 
 	data |= mask;
-	err = tps_6507x_write(tps, reg, data);
+	err = tps6507x_pmic_write(tps, reg, data);
 	if (err)
 		dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
 
@@ -145,13 +145,13 @@ out:
 	return err;
 }
 
-static int tps_6507x_clear_bits(struct tps_pmic *tps, u8 reg, u8 mask)
+static int tps6507x_pmic_clear_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask)
 {
 	int err, data;
 
 	mutex_lock(&tps->io_lock);
 
-	data = tps_6507x_read(tps, reg);
+	data = tps6507x_pmic_read(tps, reg);
 	if (data < 0) {
 		dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
 		err = data;
@@ -159,7 +159,7 @@ static int tps_6507x_clear_bits(struct tps_pmic *tps, u8 reg, u8 mask)
 	}
 
 	data &= ~mask;
-	err = tps_6507x_write(tps, reg, data);
+	err = tps6507x_pmic_write(tps, reg, data);
 	if (err)
 		dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
 
@@ -168,13 +168,13 @@ out:
 	return err;
 }
 
-static int tps_6507x_reg_read(struct tps_pmic *tps, u8 reg)
+static int tps6507x_pmic_reg_read(struct tps6507x_pmic *tps, u8 reg)
 {
 	int data;
 
 	mutex_lock(&tps->io_lock);
 
-	data = tps_6507x_read(tps, reg);
+	data = tps6507x_pmic_read(tps, reg);
 	if (data < 0)
 		dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
 
@@ -182,13 +182,13 @@ static int tps_6507x_reg_read(struct tps_pmic *tps, u8 reg)
 	return data;
 }
 
-static int tps_6507x_reg_write(struct tps_pmic *tps, u8 reg, u8 val)
+static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val)
 {
 	int err;
 
 	mutex_lock(&tps->io_lock);
 
-	err = tps_6507x_write(tps, reg, val);
+	err = tps6507x_pmic_write(tps, reg, val);
 	if (err < 0)
 		dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
 
@@ -196,9 +196,9 @@ static int tps_6507x_reg_write(struct tps_pmic *tps, u8 reg, u8 val)
 	return err;
 }
 
-static int tps6507x_dcdc_is_enabled(struct regulator_dev *dev)
+static int tps6507x_pmic_dcdc_is_enabled(struct regulator_dev *dev)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int data, dcdc = rdev_get_id(dev);
 	u8 shift;
 
@@ -206,7 +206,7 @@ static int tps6507x_dcdc_is_enabled(struct regulator_dev *dev)
 		return -EINVAL;
 
 	shift = TPS6507X_MAX_REG_ID - dcdc;
-	data = tps_6507x_reg_read(tps, TPS6507X_REG_CON_CTRL1);
+	data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1);
 
 	if (data < 0)
 		return data;
@@ -214,9 +214,9 @@ static int tps6507x_dcdc_is_enabled(struct regulator_dev *dev)
 		return (data & 1<<shift) ? 1 : 0;
 }
 
-static int tps6507x_ldo_is_enabled(struct regulator_dev *dev)
+static int tps6507x_pmic_ldo_is_enabled(struct regulator_dev *dev)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int data, ldo = rdev_get_id(dev);
 	u8 shift;
 
@@ -224,7 +224,7 @@ static int tps6507x_ldo_is_enabled(struct regulator_dev *dev)
 		return -EINVAL;
 
 	shift = TPS6507X_MAX_REG_ID - ldo;
-	data = tps_6507x_reg_read(tps, TPS6507X_REG_CON_CTRL1);
+	data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1);
 
 	if (data < 0)
 		return data;
@@ -232,9 +232,9 @@ static int tps6507x_ldo_is_enabled(struct regulator_dev *dev)
 		return (data & 1<<shift) ? 1 : 0;
 }
 
-static int tps6507x_dcdc_enable(struct regulator_dev *dev)
+static int tps6507x_pmic_dcdc_enable(struct regulator_dev *dev)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int dcdc = rdev_get_id(dev);
 	u8 shift;
 
@@ -242,12 +242,12 @@ static int tps6507x_dcdc_enable(struct regulator_dev *dev)
 		return -EINVAL;
 
 	shift = TPS6507X_MAX_REG_ID - dcdc;
-	return tps_6507x_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
+	return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
 }
 
-static int tps6507x_dcdc_disable(struct regulator_dev *dev)
+static int tps6507x_pmic_dcdc_disable(struct regulator_dev *dev)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int dcdc = rdev_get_id(dev);
 	u8 shift;
 
@@ -255,12 +255,13 @@ static int tps6507x_dcdc_disable(struct regulator_dev *dev)
 		return -EINVAL;
 
 	shift = TPS6507X_MAX_REG_ID - dcdc;
-	return tps_6507x_clear_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
+	return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1,
+					1 << shift);
 }
 
-static int tps6507x_ldo_enable(struct regulator_dev *dev)
+static int tps6507x_pmic_ldo_enable(struct regulator_dev *dev)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int ldo = rdev_get_id(dev);
 	u8 shift;
 
@@ -268,12 +269,12 @@ static int tps6507x_ldo_enable(struct regulator_dev *dev)
 		return -EINVAL;
 
 	shift = TPS6507X_MAX_REG_ID - ldo;
-	return tps_6507x_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
+	return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
 }
 
-static int tps6507x_ldo_disable(struct regulator_dev *dev)
+static int tps6507x_pmic_ldo_disable(struct regulator_dev *dev)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int ldo = rdev_get_id(dev);
 	u8 shift;
 
@@ -281,12 +282,13 @@ static int tps6507x_ldo_disable(struct regulator_dev *dev)
 		return -EINVAL;
 
 	shift = TPS6507X_MAX_REG_ID - ldo;
-	return tps_6507x_clear_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
+	return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1,
+					1 << shift);
 }
 
-static int tps6507x_dcdc_get_voltage(struct regulator_dev *dev)
+static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int data, dcdc = rdev_get_id(dev);
 	u8 reg;
 
@@ -304,7 +306,7 @@ static int tps6507x_dcdc_get_voltage(struct regulator_dev *dev)
 		return -EINVAL;
 	}
 
-	data = tps_6507x_reg_read(tps, reg);
+	data = tps6507x_pmic_reg_read(tps, reg);
 	if (data < 0)
 		return data;
 
@@ -312,10 +314,10 @@ static int tps6507x_dcdc_get_voltage(struct regulator_dev *dev)
 	return tps->info[dcdc]->table[data] * 1000;
 }
 
-static int tps6507x_dcdc_set_voltage(struct regulator_dev *dev,
+static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev,
 				int min_uV, int max_uV)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int data, vsel, dcdc = rdev_get_id(dev);
 	u8 reg;
 
@@ -353,19 +355,19 @@ static int tps6507x_dcdc_set_voltage(struct regulator_dev *dev,
 	if (vsel == tps->info[dcdc]->table_len)
 		return -EINVAL;
 
-	data = tps_6507x_reg_read(tps, reg);
+	data = tps6507x_pmic_reg_read(tps, reg);
 	if (data < 0)
 		return data;
 
 	data &= ~TPS6507X_DEFDCDCX_DCDC_MASK;
 	data |= vsel;
 
-	return tps_6507x_reg_write(tps, reg, data);
+	return tps6507x_pmic_reg_write(tps, reg, data);
 }
 
-static int tps6507x_ldo_get_voltage(struct regulator_dev *dev)
+static int tps6507x_pmic_ldo_get_voltage(struct regulator_dev *dev)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int data, ldo = rdev_get_id(dev);
 	u8 reg, mask;
 
@@ -379,7 +381,7 @@ static int tps6507x_ldo_get_voltage(struct regulator_dev *dev)
 				TPS6507X_REG_DEFLDO2_LDO2_MASK);
 	}
 
-	data = tps_6507x_reg_read(tps, reg);
+	data = tps6507x_pmic_reg_read(tps, reg);
 	if (data < 0)
 		return data;
 
@@ -387,10 +389,10 @@ static int tps6507x_ldo_get_voltage(struct regulator_dev *dev)
 	return tps->info[ldo]->table[data] * 1000;
 }
 
-static int tps6507x_ldo_set_voltage(struct regulator_dev *dev,
+static int tps6507x_pmic_ldo_set_voltage(struct regulator_dev *dev,
 				int min_uV, int max_uV)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int data, vsel, ldo = rdev_get_id(dev);
 	u8 reg, mask;
 
@@ -421,20 +423,20 @@ static int tps6507x_ldo_set_voltage(struct regulator_dev *dev,
 	if (vsel == tps->info[ldo]->table_len)
 		return -EINVAL;
 
-	data = tps_6507x_reg_read(tps, reg);
+	data = tps6507x_pmic_reg_read(tps, reg);
 	if (data < 0)
 		return data;
 
 	data &= ~mask;
 	data |= vsel;
 
-	return tps_6507x_reg_write(tps, reg, data);
+	return tps6507x_pmic_reg_write(tps, reg, data);
 }
 
-static int tps6507x_dcdc_list_voltage(struct regulator_dev *dev,
+static int tps6507x_pmic_dcdc_list_voltage(struct regulator_dev *dev,
 					unsigned selector)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int dcdc = rdev_get_id(dev);
 
 	if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
@@ -446,10 +448,10 @@ static int tps6507x_dcdc_list_voltage(struct regulator_dev *dev,
 		return tps->info[dcdc]->table[selector] * 1000;
 }
 
-static int tps6507x_ldo_list_voltage(struct regulator_dev *dev,
+static int tps6507x_pmic_ldo_list_voltage(struct regulator_dev *dev,
 					unsigned selector)
 {
-	struct tps_pmic *tps = rdev_get_drvdata(dev);
+	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
 	int ldo = rdev_get_id(dev);
 
 	if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
@@ -462,33 +464,33 @@ static int tps6507x_ldo_list_voltage(struct regulator_dev *dev,
 }
 
 /* Operations permitted on VDCDCx */
-static struct regulator_ops tps6507x_dcdc_ops = {
-	.is_enabled = tps6507x_dcdc_is_enabled,
-	.enable = tps6507x_dcdc_enable,
-	.disable = tps6507x_dcdc_disable,
-	.get_voltage = tps6507x_dcdc_get_voltage,
-	.set_voltage = tps6507x_dcdc_set_voltage,
-	.list_voltage = tps6507x_dcdc_list_voltage,
+static struct regulator_ops tps6507x_pmic_dcdc_ops = {
+	.is_enabled = tps6507x_pmic_dcdc_is_enabled,
+	.enable = tps6507x_pmic_dcdc_enable,
+	.disable = tps6507x_pmic_dcdc_disable,
+	.get_voltage = tps6507x_pmic_dcdc_get_voltage,
+	.set_voltage = tps6507x_pmic_dcdc_set_voltage,
+	.list_voltage = tps6507x_pmic_dcdc_list_voltage,
 };
 
 /* Operations permitted on LDOx */
-static struct regulator_ops tps6507x_ldo_ops = {
-	.is_enabled = tps6507x_ldo_is_enabled,
-	.enable = tps6507x_ldo_enable,
-	.disable = tps6507x_ldo_disable,
-	.get_voltage = tps6507x_ldo_get_voltage,
-	.set_voltage = tps6507x_ldo_set_voltage,
-	.list_voltage = tps6507x_ldo_list_voltage,
+static struct regulator_ops tps6507x_pmic_ldo_ops = {
+	.is_enabled = tps6507x_pmic_ldo_is_enabled,
+	.enable = tps6507x_pmic_ldo_enable,
+	.disable = tps6507x_pmic_ldo_disable,
+	.get_voltage = tps6507x_pmic_ldo_get_voltage,
+	.set_voltage = tps6507x_pmic_ldo_set_voltage,
+	.list_voltage = tps6507x_pmic_ldo_list_voltage,
 };
 
-static int __devinit tps_6507x_probe(struct i2c_client *client,
+static int __devinit tps6507x_pmic_probe(struct i2c_client *client,
 				     const struct i2c_device_id *id)
 {
 	static int desc_id;
 	const struct tps_info *info = (void *)id->driver_data;
 	struct regulator_init_data *init_data;
 	struct regulator_dev *rdev;
-	struct tps_pmic *tps;
+	struct tps6507x_pmic *tps;
 	struct tps6507x_board *tps_board;
 	int i;
 	int error;
@@ -530,7 +532,7 @@ static int __devinit tps_6507x_probe(struct i2c_client *client,
 		tps->desc[i].id = desc_id++;
 		tps->desc[i].n_voltages = num_voltages[i];
 		tps->desc[i].ops = (i > TPS6507X_DCDC_3 ?
-				&tps6507x_ldo_ops : &tps6507x_dcdc_ops);
+		&tps6507x_pmic_ldo_ops : &tps6507x_pmic_dcdc_ops);
 		tps->desc[i].type = REGULATOR_VOLTAGE;
 		tps->desc[i].owner = THIS_MODULE;
 
@@ -560,14 +562,14 @@ fail:
 }
 
 /**
- * tps_6507x_remove - TPS6507x driver i2c remove handler
+ * tps6507x_remove - TPS6507x driver i2c remove handler
  * @client: i2c driver client device structure
  *
  * Unregister TPS driver as an i2c client device driver
  */
-static int __devexit tps_6507x_remove(struct i2c_client *client)
+static int __devexit tps6507x_pmic_remove(struct i2c_client *client)
 {
-	struct tps_pmic *tps = i2c_get_clientdata(client);
+	struct tps6507x_pmic *tps = i2c_get_clientdata(client);
 	int i;
 
 	/* clear the client data in i2c */
@@ -581,7 +583,7 @@ static int __devexit tps_6507x_remove(struct i2c_client *client)
 	return 0;
 }
 
-static const struct tps_info tps6507x_regs[] = {
+static const struct tps_info tps6507x_pmic_regs[] = {
 	{
 		.name = "VDCDC1",
 		.min_uV = 725000,
@@ -619,44 +621,44 @@ static const struct tps_info tps6507x_regs[] = {
 	},
 };
 
-static const struct i2c_device_id tps_6507x_id[] = {
+static const struct i2c_device_id tps6507x_pmic_id[] = {
 	{.name = "tps6507x",
-	.driver_data = (unsigned long) tps6507x_regs,},
+	.driver_data = (unsigned long) tps6507x_pmic_regs,},
 	{ },
 };
-MODULE_DEVICE_TABLE(i2c, tps_6507x_id);
+MODULE_DEVICE_TABLE(i2c, tps6507x_pmic_id);
 
-static struct i2c_driver tps_6507x_i2c_driver = {
+static struct i2c_driver tps6507x_i2c_driver = {
 	.driver = {
 		.name = "tps6507x",
 		.owner = THIS_MODULE,
 	},
-	.probe = tps_6507x_probe,
-	.remove = __devexit_p(tps_6507x_remove),
-	.id_table = tps_6507x_id,
+	.probe = tps6507x_pmic_probe,
+	.remove = __devexit_p(tps6507x_pmic_remove),
+	.id_table = tps6507x_pmic_id,
 };
 
 /**
- * tps_6507x_init
+ * tps6507x_pmic_init
  *
  * Module init function
  */
-static int __init tps_6507x_init(void)
+static int __init tps6507x_pmic_init(void)
 {
-	return i2c_add_driver(&tps_6507x_i2c_driver);
+	return i2c_add_driver(&tps6507x_i2c_driver);
 }
-subsys_initcall(tps_6507x_init);
+subsys_initcall(tps6507x_pmic_init);
 
 /**
- * tps_6507x_cleanup
+ * tps6507x_pmic_cleanup
  *
  * Module exit function
  */
-static void __exit tps_6507x_cleanup(void)
+static void __exit tps6507x_pmic_cleanup(void)
 {
-	i2c_del_driver(&tps_6507x_i2c_driver);
+	i2c_del_driver(&tps6507x_i2c_driver);
 }
-module_exit(tps_6507x_cleanup);
+module_exit(tps6507x_pmic_cleanup);
 
 MODULE_AUTHOR("Texas Instruments");
 MODULE_DESCRIPTION("TPS6507x voltage regulator driver");

From 31dd6a2672e337f5de188df3e5169ee732798236 Mon Sep 17 00:00:00 2001
From: Todd Fischer <todd.fischer@ridgerun.com>
Date: Thu, 8 Apr 2010 09:04:55 +0200
Subject: [PATCH 3529/3638] mfd: Add TPS6507x support

TPS6507x are multi function (PM, touchscreen) chipsets from TI.
This commit also changes the corresponding regulator driver from being
standalone to an MFD subdevice.

Signed-off-by: Todd Fischer <todd.fischer@ridgerun.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Kconfig                    |  12 ++
 drivers/mfd/Makefile                   |   1 +
 drivers/mfd/tps6507x.c                 | 156 +++++++++++++++++++++++++
 drivers/regulator/tps6507x-regulator.c | 153 ++++++++++++------------
 include/linux/mfd/tps6507x.h           |  22 ++++
 5 files changed, 265 insertions(+), 79 deletions(-)
 create mode 100644 drivers/mfd/tps6507x.c

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 05c137d16b0..40e0a0a7df5 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -116,6 +116,18 @@ config TPS65010
 	  This driver can also be built as a module.  If so, the module
 	  will be called tps65010.
 
+config TPS6507X
+	tristate "TPS6507x Power Management / Touch Screen chips"
+	select MFD_CORE
+	depends on I2C
+	help
+	  If you say yes here you get support for the TPS6507x series of
+	  Power Management / Touch Screen chips.  These include voltage
+	  regulators, lithium ion/polymer battery charging, touch screen
+	  and other features that are often used in portable devices.
+	  This driver can also be built as a module.  If so, the module
+	  will be called tps6507x.
+
 config MENELAUS
 	bool "Texas Instruments TWL92330/Menelaus PM chip"
 	depends on I2C=y && ARCH_OMAP2
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 21eff85b288..abf6f1766dc 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_MFD_WM8350_I2C)	+= wm8350-i2c.o
 obj-$(CONFIG_MFD_WM8994)	+= wm8994-core.o wm8994-irq.o
 
 obj-$(CONFIG_TPS65010)		+= tps65010.o
+obj-$(CONFIG_TPS6507X)		+= tps6507x.o
 obj-$(CONFIG_MENELAUS)		+= menelaus.o
 
 obj-$(CONFIG_TWL4030_CORE)	+= twl-core.o twl4030-irq.o twl6030-irq.o
diff --git a/drivers/mfd/tps6507x.c b/drivers/mfd/tps6507x.c
new file mode 100644
index 00000000000..c59f74570b3
--- /dev/null
+++ b/drivers/mfd/tps6507x.c
@@ -0,0 +1,156 @@
+/*
+ * tps6507x.c  --  TPS6507x chip family multi-function driver
+ *
+ *  Copyright (c) 2010 RidgeRun (todd.fischer@ridgerun.com)
+ *
+ * Author: Todd Fischer
+ *         todd.fischer@ridgerun.com
+ *
+ * Credits:
+ *
+ *    Using code from wm831x-*.c, wm8400-core, Wolfson Microelectronics PLC.
+ *
+ * For licencing details see kernel-base/COPYING
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/tps6507x.h>
+
+static struct mfd_cell tps6507x_devs[] = {
+	{
+		.name = "tps6507x-pmic",
+	},
+};
+
+
+static int tps6507x_i2c_read_device(struct tps6507x_dev *tps6507x, char reg,
+				  int bytes, void *dest)
+{
+	struct i2c_client *i2c = tps6507x->i2c_client;
+	struct i2c_msg xfer[2];
+	int ret;
+
+	/* Write register */
+	xfer[0].addr = i2c->addr;
+	xfer[0].flags = 0;
+	xfer[0].len = 1;
+	xfer[0].buf = &reg;
+
+	/* Read data */
+	xfer[1].addr = i2c->addr;
+	xfer[1].flags = I2C_M_RD;
+	xfer[1].len = bytes;
+	xfer[1].buf = dest;
+
+	ret = i2c_transfer(i2c->adapter, xfer, 2);
+	if (ret == 2)
+		ret = 0;
+	else if (ret >= 0)
+		ret = -EIO;
+
+	return ret;
+}
+
+static int tps6507x_i2c_write_device(struct tps6507x_dev *tps6507x, char reg,
+				   int bytes, void *src)
+{
+	struct i2c_client *i2c = tps6507x->i2c_client;
+	/* we add 1 byte for device register */
+	u8 msg[TPS6507X_MAX_REGISTER + 1];
+	int ret;
+
+	if (bytes > (TPS6507X_MAX_REGISTER + 1))
+		return -EINVAL;
+
+	msg[0] = reg;
+	memcpy(&msg[1], src, bytes);
+
+	ret = i2c_master_send(i2c, msg, bytes + 1);
+	if (ret < 0)
+		return ret;
+	if (ret != bytes + 1)
+		return -EIO;
+	return 0;
+}
+
+static int tps6507x_i2c_probe(struct i2c_client *i2c,
+			    const struct i2c_device_id *id)
+{
+	struct tps6507x_dev *tps6507x;
+	int ret = 0;
+
+	tps6507x = kzalloc(sizeof(struct tps6507x_dev), GFP_KERNEL);
+	if (tps6507x == NULL) {
+		kfree(i2c);
+		return -ENOMEM;
+	}
+
+	i2c_set_clientdata(i2c, tps6507x);
+	tps6507x->dev = &i2c->dev;
+	tps6507x->i2c_client = i2c;
+	tps6507x->read_dev = tps6507x_i2c_read_device;
+	tps6507x->write_dev = tps6507x_i2c_write_device;
+
+	ret = mfd_add_devices(tps6507x->dev, -1,
+			      tps6507x_devs, ARRAY_SIZE(tps6507x_devs),
+			      NULL, 0);
+
+	if (ret < 0)
+		goto err;
+
+	return ret;
+
+err:
+	mfd_remove_devices(tps6507x->dev);
+	kfree(tps6507x);
+	return ret;
+}
+
+static int tps6507x_i2c_remove(struct i2c_client *i2c)
+{
+	struct tps6507x_dev *tps6507x = i2c_get_clientdata(i2c);
+
+	mfd_remove_devices(tps6507x->dev);
+	kfree(tps6507x);
+
+	return 0;
+}
+
+static const struct i2c_device_id tps6507x_i2c_id[] = {
+       { "tps6507x", 0 },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, tps6507x_i2c_id);
+
+
+static struct i2c_driver tps6507x_i2c_driver = {
+	.driver = {
+		   .name = "tps6507x",
+		   .owner = THIS_MODULE,
+	},
+	.probe = tps6507x_i2c_probe,
+	.remove = tps6507x_i2c_remove,
+	.id_table = tps6507x_i2c_id,
+};
+
+static int __init tps6507x_i2c_init(void)
+{
+	return i2c_add_driver(&tps6507x_i2c_driver);
+}
+/* init early so consumer devices can complete system boot */
+subsys_initcall(tps6507x_i2c_init);
+
+static void __exit tps6507x_i2c_exit(void)
+{
+	i2c_del_driver(&tps6507x_i2c_driver);
+}
+module_exit(tps6507x_i2c_exit);
+
+MODULE_DESCRIPTION("TPS6507x chip family multi-function driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index ea44741fcd4..14b4576281c 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -22,7 +22,6 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
-#include <linux/i2c.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/mfd/tps6507x.h>
@@ -104,22 +103,67 @@ struct tps_info {
 	const u16 *table;
 };
 
+static const struct tps_info tps6507x_pmic_regs[] = {
+	{
+		.name = "VDCDC1",
+		.min_uV = 725000,
+		.max_uV = 3300000,
+		.table_len = ARRAY_SIZE(VDCDCx_VSEL_table),
+		.table = VDCDCx_VSEL_table,
+	},
+	{
+		.name = "VDCDC2",
+		.min_uV = 725000,
+		.max_uV = 3300000,
+		.table_len = ARRAY_SIZE(VDCDCx_VSEL_table),
+		.table = VDCDCx_VSEL_table,
+	},
+	{
+		.name = "VDCDC3",
+		.min_uV = 725000,
+		.max_uV = 3300000,
+		.table_len = ARRAY_SIZE(VDCDCx_VSEL_table),
+		.table = VDCDCx_VSEL_table,
+	},
+	{
+		.name = "LDO1",
+		.min_uV = 1000000,
+		.max_uV = 3300000,
+		.table_len = ARRAY_SIZE(LDO1_VSEL_table),
+		.table = LDO1_VSEL_table,
+	},
+	{
+		.name = "LDO2",
+		.min_uV = 725000,
+		.max_uV = 3300000,
+		.table_len = ARRAY_SIZE(LDO2_VSEL_table),
+		.table = LDO2_VSEL_table,
+	},
+};
+
 struct tps6507x_pmic {
 	struct regulator_desc desc[TPS6507X_NUM_REGULATOR];
-	struct i2c_client *client;
+	struct tps6507x_dev *mfd;
 	struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR];
 	const struct tps_info *info[TPS6507X_NUM_REGULATOR];
 	struct mutex io_lock;
 };
-
 static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg)
 {
-	return i2c_smbus_read_byte_data(tps->client, reg);
+	u8 val;
+	int err;
+
+	err = tps->mfd->read_dev(tps->mfd, reg, 1, &val);
+
+	if (err)
+		return err;
+
+	return val;
 }
 
 static inline int tps6507x_pmic_write(struct tps6507x_pmic *tps, u8 reg, u8 val)
 {
-	return i2c_smbus_write_byte_data(tps->client, reg, val);
+	return tps->mfd->write_dev(tps->mfd, reg, 1, &val);
 }
 
 static int tps6507x_pmic_set_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask)
@@ -130,7 +174,7 @@ static int tps6507x_pmic_set_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask)
 
 	data = tps6507x_pmic_read(tps, reg);
 	if (data < 0) {
-		dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
+		dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg);
 		err = data;
 		goto out;
 	}
@@ -138,7 +182,7 @@ static int tps6507x_pmic_set_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask)
 	data |= mask;
 	err = tps6507x_pmic_write(tps, reg, data);
 	if (err)
-		dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
+		dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg);
 
 out:
 	mutex_unlock(&tps->io_lock);
@@ -153,7 +197,7 @@ static int tps6507x_pmic_clear_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask)
 
 	data = tps6507x_pmic_read(tps, reg);
 	if (data < 0) {
-		dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
+		dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg);
 		err = data;
 		goto out;
 	}
@@ -161,7 +205,7 @@ static int tps6507x_pmic_clear_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask)
 	data &= ~mask;
 	err = tps6507x_pmic_write(tps, reg, data);
 	if (err)
-		dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
+		dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg);
 
 out:
 	mutex_unlock(&tps->io_lock);
@@ -176,7 +220,7 @@ static int tps6507x_pmic_reg_read(struct tps6507x_pmic *tps, u8 reg)
 
 	data = tps6507x_pmic_read(tps, reg);
 	if (data < 0)
-		dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
+		dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg);
 
 	mutex_unlock(&tps->io_lock);
 	return data;
@@ -190,7 +234,7 @@ static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val)
 
 	err = tps6507x_pmic_write(tps, reg, val);
 	if (err < 0)
-		dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
+		dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg);
 
 	mutex_unlock(&tps->io_lock);
 	return err;
@@ -483,11 +527,12 @@ static struct regulator_ops tps6507x_pmic_ldo_ops = {
 	.list_voltage = tps6507x_pmic_ldo_list_voltage,
 };
 
-static int __devinit tps6507x_pmic_probe(struct i2c_client *client,
-				     const struct i2c_device_id *id)
+static __devinit
+int tps6507x_pmic_probe(struct platform_device *pdev)
 {
+	struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
 	static int desc_id;
-	const struct tps_info *info = (void *)id->driver_data;
+	const struct tps_info *info = &tps6507x_pmic_regs[0];
 	struct regulator_init_data *init_data;
 	struct regulator_dev *rdev;
 	struct tps6507x_pmic *tps;
@@ -495,16 +540,12 @@ static int __devinit tps6507x_pmic_probe(struct i2c_client *client,
 	int i;
 	int error;
 
-	if (!i2c_check_functionality(client->adapter,
-				I2C_FUNC_SMBUS_BYTE_DATA))
-		return -EIO;
-
 	/**
 	 * tps_board points to pmic related constants
 	 * coming from the board-evm file.
 	 */
 
-	tps_board = dev_get_platdata(&client->dev);
+	tps_board = dev_get_platdata(tps6507x_dev->dev);
 	if (!tps_board)
 		return -EINVAL;
 
@@ -523,7 +564,7 @@ static int __devinit tps6507x_pmic_probe(struct i2c_client *client,
 	mutex_init(&tps->io_lock);
 
 	/* common for all regulators */
-	tps->client = client;
+	tps->mfd = tps6507x_dev;
 
 	for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++, init_data++) {
 		/* Register the regulators */
@@ -537,10 +578,11 @@ static int __devinit tps6507x_pmic_probe(struct i2c_client *client,
 		tps->desc[i].owner = THIS_MODULE;
 
 		rdev = regulator_register(&tps->desc[i],
-					&client->dev, init_data, tps);
+					tps6507x_dev->dev, init_data, tps);
 		if (IS_ERR(rdev)) {
-			dev_err(&client->dev, "failed to register %s\n",
-				id->name);
+			dev_err(tps6507x_dev->dev,
+				"failed to register %s regulator\n",
+				pdev->name);
 			error = PTR_ERR(rdev);
 			goto fail;
 		}
@@ -549,7 +591,7 @@ static int __devinit tps6507x_pmic_probe(struct i2c_client *client,
 		tps->rdev[i] = rdev;
 	}
 
-	i2c_set_clientdata(client, tps);
+	tps6507x_dev->pmic = tps;
 
 	return 0;
 
@@ -567,14 +609,12 @@ fail:
  *
  * Unregister TPS driver as an i2c client device driver
  */
-static int __devexit tps6507x_pmic_remove(struct i2c_client *client)
+static int __devexit tps6507x_pmic_remove(struct platform_device *pdev)
 {
-	struct tps6507x_pmic *tps = i2c_get_clientdata(client);
+	struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev);
+	struct tps6507x_pmic *tps = tps6507x_dev->pmic;
 	int i;
 
-	/* clear the client data in i2c */
-	i2c_set_clientdata(client, NULL);
-
 	for (i = 0; i < TPS6507X_NUM_REGULATOR; i++)
 		regulator_unregister(tps->rdev[i]);
 
@@ -583,59 +623,13 @@ static int __devexit tps6507x_pmic_remove(struct i2c_client *client)
 	return 0;
 }
 
-static const struct tps_info tps6507x_pmic_regs[] = {
-	{
-		.name = "VDCDC1",
-		.min_uV = 725000,
-		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(VDCDCx_VSEL_table),
-		.table = VDCDCx_VSEL_table,
-	},
-	{
-		.name = "VDCDC2",
-		.min_uV = 725000,
-		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(VDCDCx_VSEL_table),
-		.table = VDCDCx_VSEL_table,
-	},
-	{
-		.name = "VDCDC3",
-		.min_uV = 725000,
-		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(VDCDCx_VSEL_table),
-		.table = VDCDCx_VSEL_table,
-	},
-	{
-		.name = "LDO1",
-		.min_uV = 1000000,
-		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(LDO1_VSEL_table),
-		.table = LDO1_VSEL_table,
-	},
-	{
-		.name = "LDO2",
-		.min_uV = 725000,
-		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(LDO2_VSEL_table),
-		.table = LDO2_VSEL_table,
-	},
-};
-
-static const struct i2c_device_id tps6507x_pmic_id[] = {
-	{.name = "tps6507x",
-	.driver_data = (unsigned long) tps6507x_pmic_regs,},
-	{ },
-};
-MODULE_DEVICE_TABLE(i2c, tps6507x_pmic_id);
-
-static struct i2c_driver tps6507x_i2c_driver = {
+static struct platform_driver tps6507x_pmic_driver = {
 	.driver = {
-		.name = "tps6507x",
+		.name = "tps6507x-pmic",
 		.owner = THIS_MODULE,
 	},
 	.probe = tps6507x_pmic_probe,
 	.remove = __devexit_p(tps6507x_pmic_remove),
-	.id_table = tps6507x_pmic_id,
 };
 
 /**
@@ -645,7 +639,7 @@ static struct i2c_driver tps6507x_i2c_driver = {
  */
 static int __init tps6507x_pmic_init(void)
 {
-	return i2c_add_driver(&tps6507x_i2c_driver);
+	return platform_driver_register(&tps6507x_pmic_driver);
 }
 subsys_initcall(tps6507x_pmic_init);
 
@@ -656,10 +650,11 @@ subsys_initcall(tps6507x_pmic_init);
  */
 static void __exit tps6507x_pmic_cleanup(void)
 {
-	i2c_del_driver(&tps6507x_i2c_driver);
+	platform_driver_unregister(&tps6507x_pmic_driver);
 }
 module_exit(tps6507x_pmic_cleanup);
 
 MODULE_AUTHOR("Texas Instruments");
 MODULE_DESCRIPTION("TPS6507x voltage regulator driver");
 MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tps6507x-pmic");
diff --git a/include/linux/mfd/tps6507x.h b/include/linux/mfd/tps6507x.h
index fd73af5fb95..9543cb71642 100644
--- a/include/linux/mfd/tps6507x.h
+++ b/include/linux/mfd/tps6507x.h
@@ -131,6 +131,8 @@
 /* VDCDC MASK */
 #define TPS6507X_DEFDCDCX_DCDC_MASK		0X3F
 
+#define TPS6507X_MAX_REGISTER			0X19
+
 /**
  * struct tps6507x_board - packages regulator and touchscreen init data
  * @tps6507x_regulator_data: regulator initialization values
@@ -142,4 +144,24 @@ struct tps6507x_board {
 	struct regulator_init_data *tps6507x_pmic_init_data;
 };
 
+/**
+ * struct tps6507x_dev - tps6507x sub-driver chip access routines
+ * @read_dev() - I2C register read function
+ * @write_dev() - I2C register write function
+ *
+ * Device data may be used to access the TPS6507x chip
+ */
+
+struct tps6507x_dev {
+	struct device *dev;
+	struct i2c_client *i2c_client;
+	int (*read_dev)(struct tps6507x_dev *tps6507x, char reg, int size,
+			void *dest);
+	int (*write_dev)(struct tps6507x_dev *tps6507x, char reg, int size,
+			 void *src);
+
+	/* Client devices */
+	struct tps6507x_pmic *pmic;
+};
+
 #endif /*  __LINUX_MFD_TPS6507X_H */

From 752599667048898b6969e06e4637f906b04ec752 Mon Sep 17 00:00:00 2001
From: Todd Fischer <todd.fischer@ridgerun.com>
Date: Mon, 5 Apr 2010 17:53:12 -0600
Subject: [PATCH 3530/3638] input: Touchscreen driver for TPS6507x

Add touch screen input driver for TPS6507x family of multi-function
chips.  Uses the TPS6507x MFD driver.  No interrupt support due to
testing limitations of current hardware.

Signed-off-by: Todd Fischer <todd.fischer@ridgerun.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/input/touchscreen/Kconfig       |  13 +
 drivers/input/touchscreen/Makefile      |   1 +
 drivers/input/touchscreen/tps6507x-ts.c | 400 ++++++++++++++++++++++++
 drivers/mfd/tps6507x.c                  |   3 +
 include/linux/input/tps6507x-ts.h       |  24 ++
 include/linux/mfd/tps6507x.h            |   2 +
 6 files changed, 443 insertions(+)
 create mode 100644 drivers/input/touchscreen/tps6507x-ts.c
 create mode 100644 include/linux/input/tps6507x-ts.h

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index b9f58ca82fd..6703c6b9800 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -590,4 +590,17 @@ config TOUCHSCREEN_PCAP
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called pcap_ts.
+
+config TOUCHSCREEN_TPS6507X
+	tristate "TPS6507x based touchscreens"
+	depends on I2C
+	help
+	  Say Y here if you have a TPS6507x based touchscreen
+	  controller.
+
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called tps6507x_ts.
+
 endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 8ad36eef90a..497964a7a21 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -46,3 +46,4 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_ATMEL)	+= atmel-wm97xx.o
 obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE)	+= mainstone-wm97xx.o
 obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE)	+= zylonite-wm97xx.o
 obj-$(CONFIG_TOUCHSCREEN_W90X900)	+= w90p910_ts.o
+obj-$(CONFIG_TOUCHSCREEN_TPS6507X)	+= tps6507x-ts.o
diff --git a/drivers/input/touchscreen/tps6507x-ts.c b/drivers/input/touchscreen/tps6507x-ts.c
new file mode 100644
index 00000000000..5de80a1a730
--- /dev/null
+++ b/drivers/input/touchscreen/tps6507x-ts.c
@@ -0,0 +1,400 @@
+/*
+ * drivers/input/touchscreen/tps6507x_ts.c
+ *
+ * Touchscreen driver for the tps6507x chip.
+ *
+ * Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com)
+ *
+ * Credits:
+ *
+ *    Using code from tsc2007, MtekVision Co., Ltd.
+ *
+ * For licencing details see kernel-base/COPYING
+ *
+ * TPS65070, TPS65073, TPS650731, and TPS650732 support
+ * 10 bit touch screen interface.
+ */
+
+#include <linux/module.h>
+#include <linux/workqueue.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/tps6507x.h>
+#include <linux/input/tps6507x-ts.h>
+#include <linux/delay.h>
+
+#define TSC_DEFAULT_POLL_PERIOD 30 /* ms */
+#define TPS_DEFAULT_MIN_PRESSURE 0x30
+#define MAX_10BIT ((1 << 10) - 1)
+
+#define	TPS6507X_ADCONFIG_CONVERT_TS (TPS6507X_ADCONFIG_AD_ENABLE | \
+					 TPS6507X_ADCONFIG_START_CONVERSION | \
+					 TPS6507X_ADCONFIG_INPUT_REAL_TSC)
+#define	TPS6507X_ADCONFIG_POWER_DOWN_TS (TPS6507X_ADCONFIG_INPUT_REAL_TSC)
+
+struct ts_event {
+	u16	x;
+	u16	y;
+	u16	pressure;
+};
+
+struct tps6507x_ts {
+	struct input_dev	*input_dev;
+	struct device		*dev;
+	char			phys[32];
+	struct workqueue_struct *wq;
+	struct delayed_work	work;
+	unsigned		polling;	/* polling is active */
+	struct ts_event		tc;
+	struct tps6507x_dev	*mfd;
+	u16			model;
+	unsigned		pendown;
+	int			irq;
+	void			(*clear_penirq)(void);
+	unsigned long		poll_period;	/* ms */
+	u16			min_pressure;
+	int			vref;		/* non-zero to leave vref on */
+};
+
+static int tps6507x_read_u8(struct tps6507x_ts *tsc, u8 reg, u8 *data)
+{
+	int err;
+
+	err = tsc->mfd->read_dev(tsc->mfd, reg, 1, data);
+
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static int tps6507x_write_u8(struct tps6507x_ts *tsc, u8 reg, u8 data)
+{
+	return tsc->mfd->write_dev(tsc->mfd, reg, 1, &data);
+}
+
+static s32 tps6507x_adc_conversion(struct tps6507x_ts *tsc,
+				   u8 tsc_mode, u16 *value)
+{
+	s32 ret;
+	u8 adc_status;
+	u8 result;
+
+	/* Route input signal to A/D converter */
+
+	ret = tps6507x_write_u8(tsc, TPS6507X_REG_TSCMODE, tsc_mode);
+	if (ret) {
+		dev_err(tsc->dev, "TSC mode read failed\n");
+		goto err;
+	}
+
+	/* Start A/D conversion */
+
+	ret = tps6507x_write_u8(tsc, TPS6507X_REG_ADCONFIG,
+				TPS6507X_ADCONFIG_CONVERT_TS);
+	if (ret) {
+		dev_err(tsc->dev, "ADC config write failed\n");
+		return ret;
+	}
+
+	do {
+		ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADCONFIG,
+				       &adc_status);
+		if (ret) {
+			dev_err(tsc->dev, "ADC config read failed\n");
+			goto err;
+		}
+	} while (adc_status & TPS6507X_ADCONFIG_START_CONVERSION);
+
+	ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADRESULT_2, &result);
+	if (ret) {
+		dev_err(tsc->dev, "ADC result 2 read failed\n");
+		goto err;
+	}
+
+	*value = (result & TPS6507X_REG_ADRESULT_2_MASK) << 8;
+
+	ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADRESULT_1, &result);
+	if (ret) {
+		dev_err(tsc->dev, "ADC result 1 read failed\n");
+		goto err;
+	}
+
+	*value |= result;
+
+	dev_dbg(tsc->dev, "TSC channel %d = 0x%X\n", tsc_mode, *value);
+
+err:
+	return ret;
+}
+
+/* Need to call tps6507x_adc_standby() after using A/D converter for the
+ * touch screen interrupt to work properly.
+ */
+
+static s32 tps6507x_adc_standby(struct tps6507x_ts *tsc)
+{
+	s32 ret;
+	s32 loops = 0;
+	u8 val;
+
+	ret = tps6507x_write_u8(tsc,  TPS6507X_REG_ADCONFIG,
+				TPS6507X_ADCONFIG_INPUT_TSC);
+	if (ret)
+		return ret;
+
+	ret = tps6507x_write_u8(tsc, TPS6507X_REG_TSCMODE,
+				TPS6507X_TSCMODE_STANDBY);
+	if (ret)
+		return ret;
+
+	ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val);
+	if (ret)
+		return ret;
+
+	while (val & TPS6507X_REG_TSC_INT) {
+		mdelay(10);
+		ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val);
+		if (ret)
+			return ret;
+		loops++;
+	}
+
+	return ret;
+}
+
+static void tps6507x_ts_handler(struct work_struct *work)
+{
+	struct tps6507x_ts *tsc =  container_of(work,
+				struct tps6507x_ts, work.work);
+	struct input_dev *input_dev = tsc->input_dev;
+	int pendown;
+	int schd;
+	int poll = 0;
+	s32 ret;
+
+	ret =  tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_PRESSURE,
+				       &tsc->tc.pressure);
+	if (ret)
+		goto done;
+
+	pendown = tsc->tc.pressure > tsc->min_pressure;
+
+	if (unlikely(!pendown && tsc->pendown)) {
+		dev_dbg(tsc->dev, "UP\n");
+		input_report_key(input_dev, BTN_TOUCH, 0);
+		input_report_abs(input_dev, ABS_PRESSURE, 0);
+		input_sync(input_dev);
+		tsc->pendown = 0;
+	}
+
+	if (pendown) {
+
+		if (!tsc->pendown) {
+			dev_dbg(tsc->dev, "DOWN\n");
+			input_report_key(input_dev, BTN_TOUCH, 1);
+		} else
+			dev_dbg(tsc->dev, "still down\n");
+
+		ret =  tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_X_POSITION,
+					       &tsc->tc.x);
+		if (ret)
+			goto done;
+
+		ret =  tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_Y_POSITION,
+					       &tsc->tc.y);
+		if (ret)
+			goto done;
+
+		input_report_abs(input_dev, ABS_X, tsc->tc.x);
+		input_report_abs(input_dev, ABS_Y, tsc->tc.y);
+		input_report_abs(input_dev, ABS_PRESSURE, tsc->tc.pressure);
+		input_sync(input_dev);
+		tsc->pendown = 1;
+		poll = 1;
+	}
+
+done:
+	/* always poll if not using interrupts */
+	poll = 1;
+
+	if (poll) {
+		schd = queue_delayed_work(tsc->wq, &tsc->work,
+					  tsc->poll_period * HZ / 1000);
+		if (schd)
+			tsc->polling = 1;
+		else {
+			tsc->polling = 0;
+			dev_err(tsc->dev, "re-schedule failed");
+		}
+	} else
+		tsc->polling = 0;
+
+	ret = tps6507x_adc_standby(tsc);
+}
+
+static int tps6507x_ts_probe(struct platform_device *pdev)
+{
+	int error;
+	struct tps6507x_ts *tsc;
+	struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
+	struct touchscreen_init_data *init_data;
+	struct input_dev *input_dev;
+	struct tps6507x_board *tps_board;
+	int schd;
+
+	/**
+	 * tps_board points to pmic related constants
+	 * coming from the board-evm file.
+	 */
+
+	tps_board = (struct tps6507x_board *)tps6507x_dev->dev->platform_data;
+
+	if (!tps_board) {
+		dev_err(tps6507x_dev->dev,
+			"Could not find tps6507x platform data\n");
+		return -EIO;
+	}
+
+	/**
+	 * init_data points to array of regulator_init structures
+	 * coming from the board-evm file.
+	 */
+
+	init_data = tps_board->tps6507x_ts_init_data;
+
+	tsc = kzalloc(sizeof(struct tps6507x_ts), GFP_KERNEL);
+	if (!tsc) {
+		dev_err(tps6507x_dev->dev, "failed to allocate driver data\n");
+		error = -ENOMEM;
+		goto err0;
+	}
+
+	tps6507x_dev->ts = tsc;
+	tsc->mfd = tps6507x_dev;
+	tsc->dev = tps6507x_dev->dev;
+	input_dev = input_allocate_device();
+	if (!input_dev) {
+		dev_err(tsc->dev, "Failed to allocate input device.\n");
+		error = -ENOMEM;
+		goto err1;
+	}
+
+	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+	input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+
+	input_set_abs_params(input_dev, ABS_X, 0, MAX_10BIT, 0, 0);
+	input_set_abs_params(input_dev, ABS_Y, 0, MAX_10BIT, 0, 0);
+	input_set_abs_params(input_dev, ABS_PRESSURE, 0, MAX_10BIT, 0, 0);
+
+	input_dev->name = "TPS6507x Touchscreen";
+	input_dev->id.bustype = BUS_I2C;
+	input_dev->dev.parent = tsc->dev;
+
+	snprintf(tsc->phys, sizeof(tsc->phys),
+		 "%s/input0", dev_name(tsc->dev));
+	input_dev->phys = tsc->phys;
+
+	dev_dbg(tsc->dev, "device: %s\n", input_dev->phys);
+
+	input_set_drvdata(input_dev, tsc);
+
+	tsc->input_dev = input_dev;
+
+	INIT_DELAYED_WORK(&tsc->work, tps6507x_ts_handler);
+	tsc->wq = create_workqueue("TPS6507x Touchscreen");
+
+	if (init_data) {
+		tsc->poll_period = init_data->poll_period;
+		tsc->vref = init_data->vref;
+		tsc->min_pressure = init_data->min_pressure;
+		input_dev->id.vendor = init_data->vendor;
+		input_dev->id.product = init_data->product;
+		input_dev->id.version = init_data->version;
+	} else {
+		tsc->poll_period = TSC_DEFAULT_POLL_PERIOD;
+		tsc->min_pressure = TPS_DEFAULT_MIN_PRESSURE;
+	}
+
+	error = tps6507x_adc_standby(tsc);
+	if (error)
+		goto err2;
+
+	error = input_register_device(input_dev);
+	if (error)
+		goto err2;
+
+	schd = queue_delayed_work(tsc->wq, &tsc->work,
+				  tsc->poll_period * HZ / 1000);
+
+	if (schd)
+		tsc->polling = 1;
+	else {
+		tsc->polling = 0;
+		dev_err(tsc->dev, "schedule failed");
+		goto err2;
+	 }
+
+	return 0;
+
+err2:
+	cancel_delayed_work(&tsc->work);
+	flush_workqueue(tsc->wq);
+	destroy_workqueue(tsc->wq);
+	tsc->wq = 0;
+	input_free_device(input_dev);
+err1:
+	kfree(tsc);
+	tps6507x_dev->ts = NULL;
+err0:
+	return error;
+}
+
+static int __devexit tps6507x_ts_remove(struct platform_device *pdev)
+{
+	struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev);
+	struct tps6507x_ts *tsc = tps6507x_dev->ts;
+	struct input_dev *input_dev = tsc->input_dev;
+
+	if (!tsc)
+		return 0;
+
+	cancel_delayed_work(&tsc->work);
+	flush_workqueue(tsc->wq);
+	destroy_workqueue(tsc->wq);
+	tsc->wq = 0;
+
+	input_free_device(input_dev);
+
+	tps6507x_dev->ts = NULL;
+	kfree(tsc);
+
+	return 0;
+}
+
+static struct platform_driver tps6507x_ts_driver = {
+	.driver = {
+		.name = "tps6507x-ts",
+		.owner = THIS_MODULE,
+	},
+	.probe = tps6507x_ts_probe,
+	.remove = __devexit_p(tps6507x_ts_remove),
+};
+
+static int __init tps6507x_ts_init(void)
+{
+	return platform_driver_register(&tps6507x_ts_driver);
+}
+module_init(tps6507x_ts_init);
+
+static void __exit tps6507x_ts_exit(void)
+{
+	platform_driver_unregister(&tps6507x_ts_driver);
+}
+module_exit(tps6507x_ts_exit);
+
+MODULE_AUTHOR("Todd Fischer <todd.fischer@ridgerun.com>");
+MODULE_DESCRIPTION("TPS6507x - TouchScreen driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tps6507x-tsc");
diff --git a/drivers/mfd/tps6507x.c b/drivers/mfd/tps6507x.c
index c59f74570b3..d859dffed39 100644
--- a/drivers/mfd/tps6507x.c
+++ b/drivers/mfd/tps6507x.c
@@ -26,6 +26,9 @@ static struct mfd_cell tps6507x_devs[] = {
 	{
 		.name = "tps6507x-pmic",
 	},
+	{
+		.name = "tps6507x-ts",
+	},
 };
 
 
diff --git a/include/linux/input/tps6507x-ts.h b/include/linux/input/tps6507x-ts.h
new file mode 100644
index 00000000000..ab144031392
--- /dev/null
+++ b/include/linux/input/tps6507x-ts.h
@@ -0,0 +1,24 @@
+/* linux/i2c/tps6507x-ts.h
+ *
+ * Functions to access TPS65070 touch screen chip.
+ *
+ * Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com)
+ *
+ *
+ *  For licencing details see kernel-base/COPYING
+ */
+
+#ifndef __LINUX_I2C_TPS6507X_TS_H
+#define __LINUX_I2C_TPS6507X_TS_H
+
+/* Board specific touch screen initial values */
+struct touchscreen_init_data {
+	int	poll_period;	/* ms */
+	int	vref;		/* non-zero to leave vref on */
+	__u16	min_pressure;	/* min reading to be treated as a touch */
+	__u16	vendor;
+	__u16	product;
+	__u16	version;
+};
+
+#endif /*  __LINUX_I2C_TPS6507X_TS_H */
diff --git a/include/linux/mfd/tps6507x.h b/include/linux/mfd/tps6507x.h
index 9543cb71642..c923e4864f5 100644
--- a/include/linux/mfd/tps6507x.h
+++ b/include/linux/mfd/tps6507x.h
@@ -142,6 +142,7 @@
 
 struct tps6507x_board {
 	struct regulator_init_data *tps6507x_pmic_init_data;
+	struct touchscreen_init_data *tps6507x_ts_init_data;
 };
 
 /**
@@ -162,6 +163,7 @@ struct tps6507x_dev {
 
 	/* Client devices */
 	struct tps6507x_pmic *pmic;
+	struct tps6507x_ts *ts;
 };
 
 #endif /*  __LINUX_MFD_TPS6507X_H */

From 0d7e0e399d7fcd5ddc3313a1aa2135fab3226d8f Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 5 Apr 2010 16:14:17 +0100
Subject: [PATCH 3531/3638] mfd: Initialise WM831x IRQ masks on chip even if
 interrupts not in use

Ensure that the hardware has interrupts masked if we are not using
the interrupt controller on the WM831x by initialising the masks
before we check for the setup data required for the IRQ line. This
avoids signalling an unused IRQ line and improves the robustness
of checks that the IRQ is in use.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/wm831x-irq.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index ec10004200c..7dabe4dbd37 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -490,6 +490,14 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
 
 	mutex_init(&wm831x->irq_lock);
 
+	/* Mask the individual interrupt sources */
+	for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks_cur); i++) {
+		wm831x->irq_masks_cur[i] = 0xffff;
+		wm831x->irq_masks_cache[i] = 0xffff;
+		wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1_MASK + i,
+				 0xffff);
+	}
+
 	if (!irq) {
 		dev_warn(wm831x->dev,
 			 "No interrupt specified - functionality limited\n");
@@ -505,14 +513,6 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
 	wm831x->irq = irq;
 	wm831x->irq_base = pdata->irq_base;
 
-	/* Mask the individual interrupt sources */
-	for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks_cur); i++) {
-		wm831x->irq_masks_cur[i] = 0xffff;
-		wm831x->irq_masks_cache[i] = 0xffff;
-		wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1_MASK + i,
-				 0xffff);
-	}
-
 	/* Register them with genirq */
 	for (cur_irq = wm831x->irq_base;
 	     cur_irq < ARRAY_SIZE(wm831x_irqs) + wm831x->irq_base;

From b03b4d7cdd8f18395494478634707c6f132080d6 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 8 Apr 2010 10:02:39 +0200
Subject: [PATCH 3532/3638] mfd: Ensure WM831x charger interrupts are
 acknowledged when suspending

The charger interrupts on the WM831x are unconditionally a wake source
for the system. If the power driver is not able to monitor them (for
example, due to the IRQ line not having been wired up on the system)
then any charger interrupt will prevent the system suspending for any
meaningful amount of time since nothing will ack them.

Avoid this issue by manually acknowledging these interrupts when we
suspend the WM831x core device if they are masked. If software is
actually using the interrupts then they will be unmasked and this
change will have no effect.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/wm831x-core.c       | 47 +++++++++++++++++++++++++++++++++
 include/linux/mfd/wm831x/core.h |  5 ++--
 2 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index da00ca9e0c7..1a968f34d67 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -1494,6 +1494,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
 	case WM8310:
 		parent = WM8310;
 		wm831x->num_gpio = 16;
+		wm831x->charger_irq_wake = 1;
 		if (rev > 0) {
 			wm831x->has_gpio_ena = 1;
 			wm831x->has_cs_sts = 1;
@@ -1505,6 +1506,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
 	case WM8311:
 		parent = WM8311;
 		wm831x->num_gpio = 16;
+		wm831x->charger_irq_wake = 1;
 		if (rev > 0) {
 			wm831x->has_gpio_ena = 1;
 			wm831x->has_cs_sts = 1;
@@ -1516,6 +1518,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
 	case WM8312:
 		parent = WM8312;
 		wm831x->num_gpio = 16;
+		wm831x->charger_irq_wake = 1;
 		if (rev > 0) {
 			wm831x->has_gpio_ena = 1;
 			wm831x->has_cs_sts = 1;
@@ -1654,6 +1657,42 @@ static void wm831x_device_exit(struct wm831x *wm831x)
 	kfree(wm831x);
 }
 
+static int wm831x_device_suspend(struct wm831x *wm831x)
+{
+	int reg, mask;
+
+	/* If the charger IRQs are a wake source then make sure we ack
+	 * them even if they're not actively being used (eg, no power
+	 * driver or no IRQ line wired up) then acknowledge the
+	 * interrupts otherwise suspend won't last very long.
+	 */
+	if (wm831x->charger_irq_wake) {
+		reg = wm831x_reg_read(wm831x, WM831X_INTERRUPT_STATUS_2_MASK);
+
+		mask = WM831X_CHG_BATT_HOT_EINT |
+			WM831X_CHG_BATT_COLD_EINT |
+			WM831X_CHG_BATT_FAIL_EINT |
+			WM831X_CHG_OV_EINT | WM831X_CHG_END_EINT |
+			WM831X_CHG_TO_EINT | WM831X_CHG_MODE_EINT |
+			WM831X_CHG_START_EINT;
+
+		/* If any of the interrupts are masked read the statuses */
+		if (reg & mask)
+			reg = wm831x_reg_read(wm831x,
+					      WM831X_INTERRUPT_STATUS_2);
+
+		if (reg & mask) {
+			dev_info(wm831x->dev,
+				 "Acknowledging masked charger IRQs: %x\n",
+				 reg & mask);
+			wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_2,
+					 reg & mask);
+		}
+	}
+
+	return 0;
+}
+
 static int wm831x_i2c_read_device(struct wm831x *wm831x, unsigned short reg,
 				  int bytes, void *dest)
 {
@@ -1728,6 +1767,13 @@ static int wm831x_i2c_remove(struct i2c_client *i2c)
 	return 0;
 }
 
+static int wm831x_i2c_suspend(struct i2c_client *i2c, pm_message_t mesg)
+{
+	struct wm831x *wm831x = i2c_get_clientdata(i2c);
+
+	return wm831x_device_suspend(wm831x);
+}
+
 static const struct i2c_device_id wm831x_i2c_id[] = {
 	{ "wm8310", WM8310 },
 	{ "wm8311", WM8311 },
@@ -1745,6 +1791,7 @@ static struct i2c_driver wm831x_i2c_driver = {
 	},
 	.probe = wm831x_i2c_probe,
 	.remove = wm831x_i2c_remove,
+	.suspend = wm831x_i2c_suspend,
 	.id_table = wm831x_i2c_id,
 };
 
diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
index 5915f6e3d9a..eb5bd4e0e03 100644
--- a/include/linux/mfd/wm831x/core.h
+++ b/include/linux/mfd/wm831x/core.h
@@ -256,8 +256,9 @@ struct wm831x {
 	int irq_masks_cache[WM831X_NUM_IRQ_REGS]; /* Cached hardware value */
 
 	/* Chip revision based flags */
-	unsigned has_gpio_ena:1;  /* Has GPIO enable bit */
-	unsigned has_cs_sts:1;    /* Has current sink status bit */
+	unsigned has_gpio_ena:1;         /* Has GPIO enable bit */
+	unsigned has_cs_sts:1;           /* Has current sink status bit */
+	unsigned charger_irq_wake:1;     /* Are charger IRQs a wake source? */
 
 	int num_gpio;
 

From da1e368032d7ff241b9cf1059fa059d781cfeba7 Mon Sep 17 00:00:00 2001
From: Todd Fischer <todd.fischer@ridgerun.com>
Date: Mon, 5 Apr 2010 17:53:13 -0600
Subject: [PATCH 3533/3638] davinci: da850 TPS6507x touch screen driver board
 data

The touch screen controller in the TPS6507x chip needs values that are
dependent on the characteristics of the touch screen hardware being used
in the board design.  In addition, the board provides version information
that is exposed via the kernel input sub-system.

Signed-off-by: Todd Fischer <todd.fischer@ridgerun.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 arch/arm/mach-davinci/board-da850-evm.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 95adfd42d0e..2ec3095ffb7 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -25,6 +25,8 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/regulator/machine.h>
+#include <linux/mfd/tps6507x.h>
+#include <linux/input/tps6507x-ts.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -534,8 +536,18 @@ struct regulator_init_data tps65070_regulator_data[] = {
 	},
 };
 
+static struct touchscreen_init_data tps6507x_touchscreen_data = {
+	.poll_period =  30,	/* ms between touch samples */
+	.min_pressure = 0x30,	/* minimum pressure to trigger touch */
+	.vref = 0,		/* turn off vref when not using A/D */
+	.vendor = 0,		/* /sys/class/input/input?/id/vendor */
+	.product = 65070,	/* /sys/class/input/input?/id/product */
+	.version = 0x100,	/* /sys/class/input/input?/id/version */
+};
+
 static struct tps6507x_board tps_board = {
 	.tps6507x_pmic_init_data = &tps65070_regulator_data[0],
+	.tps6507x_ts_init_data = &tps6507x_touchscreen_data,
 };
 
 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {

From fffba64ca37e8f06020f89e878f0d76a8e121c4e Mon Sep 17 00:00:00 2001
From: Phil Carmody <ext-phil.2.carmody@nokia.com>
Date: Fri, 16 Apr 2010 15:00:09 +0300
Subject: [PATCH 3534/3638] mfd: Fix error in wm8400 reg cache access check

Accessing num_reg elements in the interval [reg .. reg+num_regs)
is permitted if (reg+numregs <= array size), so barf when that
excluded upper bound is > array size. The prior -1 would give
access to one too many elements.

Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/wm8400-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c
index 865ce013a82..e08aafa663d 100644
--- a/drivers/mfd/wm8400-core.c
+++ b/drivers/mfd/wm8400-core.c
@@ -118,7 +118,7 @@ static int wm8400_read(struct wm8400 *wm8400, u8 reg, int num_regs, u16 *dest)
 {
 	int i, ret = 0;
 
-	BUG_ON(reg + num_regs - 1 > ARRAY_SIZE(wm8400->reg_cache));
+	BUG_ON(reg + num_regs > ARRAY_SIZE(wm8400->reg_cache));
 
 	/* If there are any volatile reads then read back the entire block */
 	for (i = reg; i < reg + num_regs; i++)
@@ -144,7 +144,7 @@ static int wm8400_write(struct wm8400 *wm8400, u8 reg, int num_regs,
 {
 	int ret, i;
 
-	BUG_ON(reg + num_regs - 1 > ARRAY_SIZE(wm8400->reg_cache));
+	BUG_ON(reg + num_regs > ARRAY_SIZE(wm8400->reg_cache));
 
 	for (i = 0; i < num_regs; i++) {
 		BUG_ON(!reg_data[reg + i].writable);

From e47a3bbe4ffd4afe2b24c912598aee7ea1ecf738 Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin@rab.in>
Date: Wed, 21 Apr 2010 21:06:05 +0530
Subject: [PATCH 3535/3638] mfd: Remove incorrect wm8350 kfree

The i2c_client received in probe() should not be kfree()'d.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/wm8350-i2c.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c
index aa3ba0974ee..7795af4b1fe 100644
--- a/drivers/mfd/wm8350-i2c.c
+++ b/drivers/mfd/wm8350-i2c.c
@@ -64,10 +64,8 @@ static int wm8350_i2c_probe(struct i2c_client *i2c,
 	int ret = 0;
 
 	wm8350 = kzalloc(sizeof(struct wm8350), GFP_KERNEL);
-	if (wm8350 == NULL) {
-		kfree(i2c);
+	if (wm8350 == NULL)
 		return -ENOMEM;
-	}
 
 	i2c_set_clientdata(i2c, wm8350);
 	wm8350->dev = &i2c->dev;

From 68e488d965a9055c63c0eac4ad1e6568b07e8ee1 Mon Sep 17 00:00:00 2001
From: Haojian Zhuang <haojian.zhuang@marvell.com>
Date: Tue, 27 Apr 2010 14:55:28 -0400
Subject: [PATCH 3536/3638] mfd: Delay to mask tsc irq in max8925

There're two IRQ pins output from MAX8925. One is PMIC interrupt, the other
is TSC interrupt. But they're sharing one irq chip.

After initializing MAX8925 interrupts, unexpected TSC interrupt may occur and
it can't be cleared if touch driver isn't loaded.

Now move the operation of masking TSC interrupt behind requesting PMIC
interrupt. If touch driver isn't loaded, this interrupt is always masked.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/max8925-core.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/max8925-core.c b/drivers/mfd/max8925-core.c
index 85d63c04749..f621bcea3d0 100644
--- a/drivers/mfd/max8925-core.c
+++ b/drivers/mfd/max8925-core.c
@@ -508,7 +508,7 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq,
 	max8925_reg_read(chip->i2c, MAX8925_ON_OFF_IRQ2);
 	max8925_reg_read(chip->rtc, MAX8925_RTC_IRQ);
 	max8925_reg_read(chip->adc, MAX8925_TSC_IRQ);
-	/* mask all interrupts */
+	/* mask all interrupts except for TSC */
 	max8925_reg_write(chip->rtc, MAX8925_ALARM0_CNTL, 0);
 	max8925_reg_write(chip->rtc, MAX8925_ALARM1_CNTL, 0);
 	max8925_reg_write(chip->i2c, MAX8925_CHG_IRQ1_MASK, 0xff);
@@ -516,7 +516,6 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq,
 	max8925_reg_write(chip->i2c, MAX8925_ON_OFF_IRQ1_MASK, 0xff);
 	max8925_reg_write(chip->i2c, MAX8925_ON_OFF_IRQ2_MASK, 0xff);
 	max8925_reg_write(chip->rtc, MAX8925_RTC_IRQ_MASK, 0xff);
-	max8925_reg_write(chip->adc, MAX8925_TSC_IRQ_MASK, 0xff);
 
 	mutex_init(&chip->irq_lock);
 	chip->core_irq = irq;
@@ -547,7 +546,11 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq,
 		dev_err(chip->dev, "Failed to request core IRQ: %d\n", ret);
 		chip->core_irq = 0;
 	}
+
 tsc_irq:
+	/* mask TSC interrupt */
+	max8925_reg_write(chip->adc, MAX8925_TSC_IRQ_MASK, 0x0f);
+
 	if (!pdata->tsc_irq) {
 		dev_warn(chip->dev, "No interrupt support on TSC IRQ\n");
 		return 0;

From b4ecd326b789f1029c5d4a5239d9bd12ecac353d Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin.vincent@stericsson.com>
Date: Mon, 10 May 2010 23:39:47 +0200
Subject: [PATCH 3537/3638] mfd: Add Toshiba's TC35892 MFD core

The TC35892 I/O Expander provides 24 GPIOs, a keypad controller, timers,
and a rotator wheel interface.  This patch adds the MFD core.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Kconfig         |  11 ++
 drivers/mfd/Makefile        |   1 +
 drivers/mfd/tc35892.c       | 347 ++++++++++++++++++++++++++++++++++++
 include/linux/mfd/tc35892.h | 132 ++++++++++++++
 4 files changed, 491 insertions(+)
 create mode 100644 drivers/mfd/tc35892.c
 create mode 100644 include/linux/mfd/tc35892.h

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 40e0a0a7df5..614fa7b8a05 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -171,6 +171,17 @@ config TWL4030_CODEC
 	select MFD_CORE
 	default n
 
+config MFD_TC35892
+	bool "Support Toshiba TC35892"
+	depends on I2C=y && GENERIC_HARDIRQS
+	select MFD_CORE
+	help
+	  Support for the Toshiba TC35892 I/O Expander.
+
+	  This driver provides common support for accessing the device,
+	  additional drivers must be enabled in order to use the
+	  functionality of the device.
+
 config MFD_TMIO
 	bool
 	default n
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index abf6f1766dc..5eb79794d5a 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_HTC_I2CPLD)	+= htc-i2cpld.o
 obj-$(CONFIG_MFD_DAVINCI_VOICECODEC)	+= davinci_voicecodec.o
 obj-$(CONFIG_MFD_DM355EVM_MSP)	+= dm355evm_msp.o
 
+obj-$(CONFIG_MFD_TC35892)	+= tc35892.o
 obj-$(CONFIG_MFD_T7L66XB)	+= t7l66xb.o tmio_core.o
 obj-$(CONFIG_MFD_TC6387XB)	+= tc6387xb.o tmio_core.o
 obj-$(CONFIG_MFD_TC6393XB)	+= tc6393xb.o tmio_core.o
diff --git a/drivers/mfd/tc35892.c b/drivers/mfd/tc35892.c
new file mode 100644
index 00000000000..715f095dd7a
--- /dev/null
+++ b/drivers/mfd/tc35892.c
@@ -0,0 +1,347 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License, version 2
+ * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ */
+
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/tc35892.h>
+
+/**
+ * tc35892_reg_read() - read a single TC35892 register
+ * @tc35892:	Device to read from
+ * @reg:	Register to read
+ */
+int tc35892_reg_read(struct tc35892 *tc35892, u8 reg)
+{
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(tc35892->i2c, reg);
+	if (ret < 0)
+		dev_err(tc35892->dev, "failed to read reg %#x: %d\n",
+			reg, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc35892_reg_read);
+
+/**
+ * tc35892_reg_read() - write a single TC35892 register
+ * @tc35892:	Device to write to
+ * @reg:	Register to read
+ * @data:	Value to write
+ */
+int tc35892_reg_write(struct tc35892 *tc35892, u8 reg, u8 data)
+{
+	int ret;
+
+	ret = i2c_smbus_write_byte_data(tc35892->i2c, reg, data);
+	if (ret < 0)
+		dev_err(tc35892->dev, "failed to write reg %#x: %d\n",
+			reg, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc35892_reg_write);
+
+/**
+ * tc35892_block_read() - read multiple TC35892 registers
+ * @tc35892:	Device to read from
+ * @reg:	First register
+ * @length:	Number of registers
+ * @values:	Buffer to write to
+ */
+int tc35892_block_read(struct tc35892 *tc35892, u8 reg, u8 length, u8 *values)
+{
+	int ret;
+
+	ret = i2c_smbus_read_i2c_block_data(tc35892->i2c, reg, length, values);
+	if (ret < 0)
+		dev_err(tc35892->dev, "failed to read regs %#x: %d\n",
+			reg, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc35892_block_read);
+
+/**
+ * tc35892_block_write() - write multiple TC35892 registers
+ * @tc35892:	Device to write to
+ * @reg:	First register
+ * @length:	Number of registers
+ * @values:	Values to write
+ */
+int tc35892_block_write(struct tc35892 *tc35892, u8 reg, u8 length,
+			const u8 *values)
+{
+	int ret;
+
+	ret = i2c_smbus_write_i2c_block_data(tc35892->i2c, reg, length,
+					     values);
+	if (ret < 0)
+		dev_err(tc35892->dev, "failed to write regs %#x: %d\n",
+			reg, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc35892_block_write);
+
+/**
+ * tc35892_set_bits() - set the value of a bitfield in a TC35892 register
+ * @tc35892:	Device to write to
+ * @reg:	Register to write
+ * @mask:	Mask of bits to set
+ * @values:	Value to set
+ */
+int tc35892_set_bits(struct tc35892 *tc35892, u8 reg, u8 mask, u8 val)
+{
+	int ret;
+
+	mutex_lock(&tc35892->lock);
+
+	ret = tc35892_reg_read(tc35892, reg);
+	if (ret < 0)
+		goto out;
+
+	ret &= ~mask;
+	ret |= val;
+
+	ret = tc35892_reg_write(tc35892, reg, ret);
+
+out:
+	mutex_unlock(&tc35892->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc35892_set_bits);
+
+static struct resource gpio_resources[] = {
+	{
+		.start	= TC35892_INT_GPIIRQ,
+		.end	= TC35892_INT_GPIIRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell tc35892_devs[] = {
+	{
+		.name		= "tc35892-gpio",
+		.num_resources	= ARRAY_SIZE(gpio_resources),
+		.resources	= &gpio_resources[0],
+	},
+};
+
+static irqreturn_t tc35892_irq(int irq, void *data)
+{
+	struct tc35892 *tc35892 = data;
+	int status;
+
+	status = tc35892_reg_read(tc35892, TC35892_IRQST);
+	if (status < 0)
+		return IRQ_NONE;
+
+	while (status) {
+		int bit = __ffs(status);
+
+		handle_nested_irq(tc35892->irq_base + bit);
+		status &= ~(1 << bit);
+	}
+
+	/*
+	 * A dummy read or write (to any register) appears to be necessary to
+	 * have the last interrupt clear (for example, GPIO IC write) take
+	 * effect.
+	 */
+	tc35892_reg_read(tc35892, TC35892_IRQST);
+
+	return IRQ_HANDLED;
+}
+
+static void tc35892_irq_dummy(unsigned int irq)
+{
+	/* No mask/unmask at this level */
+}
+
+static struct irq_chip tc35892_irq_chip = {
+	.name	= "tc35892",
+	.mask	= tc35892_irq_dummy,
+	.unmask	= tc35892_irq_dummy,
+};
+
+static int tc35892_irq_init(struct tc35892 *tc35892)
+{
+	int base = tc35892->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + TC35892_NR_INTERNAL_IRQS; irq++) {
+		set_irq_chip_data(irq, tc35892);
+		set_irq_chip_and_handler(irq, &tc35892_irq_chip,
+					 handle_edge_irq);
+		set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, IRQF_VALID);
+#else
+		set_irq_noprobe(irq);
+#endif
+	}
+
+	return 0;
+}
+
+static void tc35892_irq_remove(struct tc35892 *tc35892)
+{
+	int base = tc35892->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + TC35892_NR_INTERNAL_IRQS; irq++) {
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, 0);
+#endif
+		set_irq_chip_and_handler(irq, NULL, NULL);
+		set_irq_chip_data(irq, NULL);
+	}
+}
+
+static int tc35892_chip_init(struct tc35892 *tc35892)
+{
+	int manf, ver, ret;
+
+	manf = tc35892_reg_read(tc35892, TC35892_MANFCODE);
+	if (manf < 0)
+		return manf;
+
+	ver = tc35892_reg_read(tc35892, TC35892_VERSION);
+	if (ver < 0)
+		return ver;
+
+	if (manf != TC35892_MANFCODE_MAGIC) {
+		dev_err(tc35892->dev, "unknown manufacturer: %#x\n", manf);
+		return -EINVAL;
+	}
+
+	dev_info(tc35892->dev, "manufacturer: %#x, version: %#x\n", manf, ver);
+
+	/* Put everything except the IRQ module into reset */
+	ret = tc35892_reg_write(tc35892, TC35892_RSTCTRL,
+				TC35892_RSTCTRL_TIMRST
+				| TC35892_RSTCTRL_ROTRST
+				| TC35892_RSTCTRL_KBDRST
+				| TC35892_RSTCTRL_GPIRST);
+	if (ret < 0)
+		return ret;
+
+	/* Clear the reset interrupt. */
+	return tc35892_reg_write(tc35892, TC35892_RSTINTCLR, 0x1);
+}
+
+static int __devinit tc35892_probe(struct i2c_client *i2c,
+				   const struct i2c_device_id *id)
+{
+	struct tc35892_platform_data *pdata = i2c->dev.platform_data;
+	struct tc35892 *tc35892;
+	int ret;
+
+	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA
+				     | I2C_FUNC_SMBUS_I2C_BLOCK))
+		return -EIO;
+
+	tc35892 = kzalloc(sizeof(struct tc35892), GFP_KERNEL);
+	if (!tc35892)
+		return -ENOMEM;
+
+	mutex_init(&tc35892->lock);
+
+	tc35892->dev = &i2c->dev;
+	tc35892->i2c = i2c;
+	tc35892->pdata = pdata;
+	tc35892->irq_base = pdata->irq_base;
+	tc35892->num_gpio = id->driver_data;
+
+	i2c_set_clientdata(i2c, tc35892);
+
+	ret = tc35892_chip_init(tc35892);
+	if (ret)
+		goto out_free;
+
+	ret = tc35892_irq_init(tc35892);
+	if (ret)
+		goto out_free;
+
+	ret = request_threaded_irq(tc35892->i2c->irq, NULL, tc35892_irq,
+				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+				   "tc35892", tc35892);
+	if (ret) {
+		dev_err(tc35892->dev, "failed to request IRQ: %d\n", ret);
+		goto out_removeirq;
+	}
+
+	ret = mfd_add_devices(tc35892->dev, -1, tc35892_devs,
+			      ARRAY_SIZE(tc35892_devs), NULL,
+			      tc35892->irq_base);
+	if (ret) {
+		dev_err(tc35892->dev, "failed to add children\n");
+		goto out_freeirq;
+	}
+
+	return 0;
+
+out_freeirq:
+	free_irq(tc35892->i2c->irq, tc35892);
+out_removeirq:
+	tc35892_irq_remove(tc35892);
+out_free:
+	i2c_set_clientdata(i2c, NULL);
+	kfree(tc35892);
+	return ret;
+}
+
+static int __devexit tc35892_remove(struct i2c_client *client)
+{
+	struct tc35892 *tc35892 = i2c_get_clientdata(client);
+
+	mfd_remove_devices(tc35892->dev);
+
+	free_irq(tc35892->i2c->irq, tc35892);
+	tc35892_irq_remove(tc35892);
+
+	i2c_set_clientdata(client, NULL);
+	kfree(tc35892);
+
+	return 0;
+}
+
+static const struct i2c_device_id tc35892_id[] = {
+	{ "tc35892", 24 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, tc35892_id);
+
+static struct i2c_driver tc35892_driver = {
+	.driver.name	= "tc35892",
+	.driver.owner	= THIS_MODULE,
+	.probe		= tc35892_probe,
+	.remove		= __devexit_p(tc35892_remove),
+	.id_table	= tc35892_id,
+};
+
+static int __init tc35892_init(void)
+{
+	return i2c_add_driver(&tc35892_driver);
+}
+subsys_initcall(tc35892_init);
+
+static void __exit tc35892_exit(void)
+{
+	i2c_del_driver(&tc35892_driver);
+}
+module_exit(tc35892_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("TC35892 MFD core driver");
+MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");
diff --git a/include/linux/mfd/tc35892.h b/include/linux/mfd/tc35892.h
new file mode 100644
index 00000000000..e47f770d306
--- /dev/null
+++ b/include/linux/mfd/tc35892.h
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License, version 2
+ */
+
+#ifndef __LINUX_MFD_TC35892_H
+#define __LINUX_MFD_TC35892_H
+
+#include <linux/device.h>
+
+#define TC35892_RSTCTRL_IRQRST	(1 << 4)
+#define TC35892_RSTCTRL_TIMRST	(1 << 3)
+#define TC35892_RSTCTRL_ROTRST	(1 << 2)
+#define TC35892_RSTCTRL_KBDRST	(1 << 1)
+#define TC35892_RSTCTRL_GPIRST	(1 << 0)
+
+#define TC35892_IRQST		0x91
+
+#define TC35892_MANFCODE_MAGIC	0x03
+#define TC35892_MANFCODE	0x80
+#define TC35892_VERSION		0x81
+#define TC35892_IOCFG		0xA7
+
+#define TC35892_CLKMODE		0x88
+#define TC35892_CLKCFG		0x89
+#define TC35892_CLKEN		0x8A
+
+#define TC35892_RSTCTRL		0x82
+#define TC35892_EXTRSTN		0x83
+#define TC35892_RSTINTCLR	0x84
+
+#define TC35892_GPIOIS0		0xC9
+#define TC35892_GPIOIS1		0xCA
+#define TC35892_GPIOIS2		0xCB
+#define TC35892_GPIOIBE0	0xCC
+#define TC35892_GPIOIBE1	0xCD
+#define TC35892_GPIOIBE2	0xCE
+#define TC35892_GPIOIEV0	0xCF
+#define TC35892_GPIOIEV1	0xD0
+#define TC35892_GPIOIEV2	0xD1
+#define TC35892_GPIOIE0		0xD2
+#define TC35892_GPIOIE1		0xD3
+#define TC35892_GPIOIE2		0xD4
+#define TC35892_GPIORIS0	0xD6
+#define TC35892_GPIORIS1	0xD7
+#define TC35892_GPIORIS2	0xD8
+#define TC35892_GPIOMIS0	0xD9
+#define TC35892_GPIOMIS1	0xDA
+#define TC35892_GPIOMIS2	0xDB
+#define TC35892_GPIOIC0		0xDC
+#define TC35892_GPIOIC1		0xDD
+#define TC35892_GPIOIC2		0xDE
+
+#define TC35892_GPIODATA0	0xC0
+#define TC35892_GPIOMASK0	0xc1
+#define TC35892_GPIODATA1	0xC2
+#define TC35892_GPIOMASK1	0xc3
+#define TC35892_GPIODATA2	0xC4
+#define TC35892_GPIOMASK2	0xC5
+
+#define TC35892_GPIODIR0	0xC6
+#define TC35892_GPIODIR1	0xC7
+#define TC35892_GPIODIR2	0xC8
+
+#define TC35892_GPIOSYNC0	0xE6
+#define TC35892_GPIOSYNC1	0xE7
+#define TC35892_GPIOSYNC2	0xE8
+
+#define TC35892_GPIOWAKE0	0xE9
+#define TC35892_GPIOWAKE1	0xEA
+#define TC35892_GPIOWAKE2	0xEB
+
+#define TC35892_GPIOODM0	0xE0
+#define TC35892_GPIOODE0	0xE1
+#define TC35892_GPIOODM1	0xE2
+#define TC35892_GPIOODE1	0xE3
+#define TC35892_GPIOODM2	0xE4
+#define TC35892_GPIOODE2	0xE5
+
+#define TC35892_INT_GPIIRQ	0
+#define TC35892_INT_TI0IRQ	1
+#define TC35892_INT_TI1IRQ	2
+#define TC35892_INT_TI2IRQ	3
+#define TC35892_INT_ROTIRQ	5
+#define TC35892_INT_KBDIRQ	6
+#define TC35892_INT_PORIRQ	7
+
+#define TC35892_NR_INTERNAL_IRQS	8
+#define TC35892_INT_GPIO(x)	(TC35892_NR_INTERNAL_IRQS + (x))
+
+struct tc35892 {
+	struct mutex lock;
+	struct device *dev;
+	struct i2c_client *i2c;
+
+	int irq_base;
+	int num_gpio;
+	struct tc35892_platform_data *pdata;
+};
+
+extern int tc35892_reg_write(struct tc35892 *tc35892, u8 reg, u8 data);
+extern int tc35892_reg_read(struct tc35892 *tc35892, u8 reg);
+extern int tc35892_block_read(struct tc35892 *tc35892, u8 reg, u8 length,
+			      u8 *values);
+extern int tc35892_block_write(struct tc35892 *tc35892, u8 reg, u8 length,
+			       const u8 *values);
+extern int tc35892_set_bits(struct tc35892 *tc35892, u8 reg, u8 mask, u8 val);
+
+/**
+ * struct tc35892_gpio_platform_data - TC35892 GPIO platform data
+ * @gpio_base: first gpio number assigned to TC35892.  A maximum of
+ *	       %TC35892_NR_GPIOS GPIOs will be allocated.
+ */
+struct tc35892_gpio_platform_data {
+	int gpio_base;
+};
+
+/**
+ * struct tc35892_platform_data - TC35892 platform data
+ * @irq_base: base IRQ number.  %TC35892_NR_IRQS irqs will be used.
+ * @gpio: GPIO-specific platform data
+ */
+struct tc35892_platform_data {
+	int irq_base;
+	struct tc35892_gpio_platform_data *gpio;
+};
+
+#define TC35892_NR_GPIOS	24
+#define TC35892_NR_IRQS		TC35892_INT_GPIO(TC35892_NR_GPIOS)
+
+#endif

From d88b25be3584138e53076ea3eea3d886c870470e Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin.vincent@stericsson.com>
Date: Mon, 10 May 2010 23:43:47 +0200
Subject: [PATCH 3538/3638] gpio: Add TC35892 GPIO driver

Add a GPIO driver to support the GPIOs on the TC35892 I/O Expander.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/gpio/Kconfig        |   7 +
 drivers/gpio/Makefile       |   1 +
 drivers/gpio/tc35892-gpio.c | 381 ++++++++++++++++++++++++++++++++++++
 3 files changed, 389 insertions(+)
 create mode 100644 drivers/gpio/tc35892-gpio.c

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 0e9c16b5bbc..1567605ab69 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -195,6 +195,13 @@ config GPIO_PCF857X
 	  This driver provides an in-kernel interface to those GPIOs using
 	  platform-neutral GPIO calls.
 
+config GPIO_TC35892
+	bool "TC35892 GPIOs"
+	depends on MFD_TC35892
+	help
+	  This enables support for the GPIOs found on the TC35892
+	  I/O Expander.
+
 config GPIO_TWL4030
 	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
 	depends on TWL4030_CORE
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 94a96c51c74..51c3cdd41b5 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_GPIO_MCP23S08)	+= mcp23s08.o
 obj-$(CONFIG_GPIO_PCA953X)	+= pca953x.o
 obj-$(CONFIG_GPIO_PCF857X)	+= pcf857x.o
 obj-$(CONFIG_GPIO_PL061)	+= pl061.o
+obj-$(CONFIG_GPIO_TC35892)	+= tc35892-gpio.o
 obj-$(CONFIG_GPIO_TIMBERDALE)	+= timbgpio.o
 obj-$(CONFIG_GPIO_TWL4030)	+= twl4030-gpio.o
 obj-$(CONFIG_GPIO_UCB1400)	+= ucb1400_gpio.o
diff --git a/drivers/gpio/tc35892-gpio.c b/drivers/gpio/tc35892-gpio.c
new file mode 100644
index 00000000000..1be6288780d
--- /dev/null
+++ b/drivers/gpio/tc35892-gpio.c
@@ -0,0 +1,381 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License, version 2
+ * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/tc35892.h>
+
+/*
+ * These registers are modified under the irq bus lock and cached to avoid
+ * unnecessary writes in bus_sync_unlock.
+ */
+enum { REG_IBE, REG_IEV, REG_IS, REG_IE };
+
+#define CACHE_NR_REGS	4
+#define CACHE_NR_BANKS	3
+
+struct tc35892_gpio {
+	struct gpio_chip chip;
+	struct tc35892 *tc35892;
+	struct device *dev;
+	struct mutex irq_lock;
+
+	int irq_base;
+
+	/* Caches of interrupt control registers for bus_lock */
+	u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS];
+	u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS];
+};
+
+static inline struct tc35892_gpio *to_tc35892_gpio(struct gpio_chip *chip)
+{
+	return container_of(chip, struct tc35892_gpio, chip);
+}
+
+static int tc35892_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
+	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
+	u8 reg = TC35892_GPIODATA0 + (offset / 8) * 2;
+	u8 mask = 1 << (offset % 8);
+	int ret;
+
+	ret = tc35892_reg_read(tc35892, reg);
+	if (ret < 0)
+		return ret;
+
+	return ret & mask;
+}
+
+static void tc35892_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
+{
+	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
+	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
+	u8 reg = TC35892_GPIODATA0 + (offset / 8) * 2;
+	unsigned pos = offset % 8;
+	u8 data[] = {!!val << pos, 1 << pos};
+
+	tc35892_block_write(tc35892, reg, ARRAY_SIZE(data), data);
+}
+
+static int tc35892_gpio_direction_output(struct gpio_chip *chip,
+					 unsigned offset, int val)
+{
+	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
+	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
+	u8 reg = TC35892_GPIODIR0 + offset / 8;
+	unsigned pos = offset % 8;
+
+	tc35892_gpio_set(chip, offset, val);
+
+	return tc35892_set_bits(tc35892, reg, 1 << pos, 1 << pos);
+}
+
+static int tc35892_gpio_direction_input(struct gpio_chip *chip,
+					unsigned offset)
+{
+	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
+	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
+	u8 reg = TC35892_GPIODIR0 + offset / 8;
+	unsigned pos = offset % 8;
+
+	return tc35892_set_bits(tc35892, reg, 1 << pos, 0);
+}
+
+static int tc35892_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
+
+	return tc35892_gpio->irq_base + offset;
+}
+
+static struct gpio_chip template_chip = {
+	.label			= "tc35892",
+	.owner			= THIS_MODULE,
+	.direction_input	= tc35892_gpio_direction_input,
+	.get			= tc35892_gpio_get,
+	.direction_output	= tc35892_gpio_direction_output,
+	.set			= tc35892_gpio_set,
+	.to_irq			= tc35892_gpio_to_irq,
+	.can_sleep		= 1,
+};
+
+static int tc35892_gpio_irq_set_type(unsigned int irq, unsigned int type)
+{
+	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
+	int offset = irq - tc35892_gpio->irq_base;
+	int regoffset = offset / 8;
+	int mask = 1 << (offset % 8);
+
+	if (type == IRQ_TYPE_EDGE_BOTH) {
+		tc35892_gpio->regs[REG_IBE][regoffset] |= mask;
+		return 0;
+	}
+
+	tc35892_gpio->regs[REG_IBE][regoffset] &= ~mask;
+
+	if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_LEVEL_HIGH)
+		tc35892_gpio->regs[REG_IS][regoffset] |= mask;
+	else
+		tc35892_gpio->regs[REG_IS][regoffset] &= ~mask;
+
+	if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH)
+		tc35892_gpio->regs[REG_IEV][regoffset] |= mask;
+	else
+		tc35892_gpio->regs[REG_IEV][regoffset] &= ~mask;
+
+	return 0;
+}
+
+static void tc35892_gpio_irq_lock(unsigned int irq)
+{
+	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
+
+	mutex_lock(&tc35892_gpio->irq_lock);
+}
+
+static void tc35892_gpio_irq_sync_unlock(unsigned int irq)
+{
+	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
+	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
+	static const u8 regmap[] = {
+		[REG_IBE]	= TC35892_GPIOIBE0,
+		[REG_IEV]	= TC35892_GPIOIEV0,
+		[REG_IS]	= TC35892_GPIOIS0,
+		[REG_IE]	= TC35892_GPIOIE0,
+	};
+	int i, j;
+
+	for (i = 0; i < CACHE_NR_REGS; i++) {
+		for (j = 0; j < CACHE_NR_BANKS; j++) {
+			u8 old = tc35892_gpio->oldregs[i][j];
+			u8 new = tc35892_gpio->regs[i][j];
+
+			if (new == old)
+				continue;
+
+			tc35892_gpio->oldregs[i][j] = new;
+			tc35892_reg_write(tc35892, regmap[i] + j * 8, new);
+		}
+	}
+
+	mutex_unlock(&tc35892_gpio->irq_lock);
+}
+
+static void tc35892_gpio_irq_mask(unsigned int irq)
+{
+	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
+	int offset = irq - tc35892_gpio->irq_base;
+	int regoffset = offset / 8;
+	int mask = 1 << (offset % 8);
+
+	tc35892_gpio->regs[REG_IE][regoffset] &= ~mask;
+}
+
+static void tc35892_gpio_irq_unmask(unsigned int irq)
+{
+	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
+	int offset = irq - tc35892_gpio->irq_base;
+	int regoffset = offset / 8;
+	int mask = 1 << (offset % 8);
+
+	tc35892_gpio->regs[REG_IE][regoffset] |= mask;
+}
+
+static struct irq_chip tc35892_gpio_irq_chip = {
+	.name			= "tc35892-gpio",
+	.bus_lock		= tc35892_gpio_irq_lock,
+	.bus_sync_unlock	= tc35892_gpio_irq_sync_unlock,
+	.mask			= tc35892_gpio_irq_mask,
+	.unmask			= tc35892_gpio_irq_unmask,
+	.set_type		= tc35892_gpio_irq_set_type,
+};
+
+static irqreturn_t tc35892_gpio_irq(int irq, void *dev)
+{
+	struct tc35892_gpio *tc35892_gpio = dev;
+	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
+	u8 status[CACHE_NR_BANKS];
+	int ret;
+	int i;
+
+	ret = tc35892_block_read(tc35892, TC35892_GPIOMIS0,
+				 ARRAY_SIZE(status), status);
+	if (ret < 0)
+		return IRQ_NONE;
+
+	for (i = 0; i < ARRAY_SIZE(status); i++) {
+		unsigned int stat = status[i];
+		if (!stat)
+			continue;
+
+		while (stat) {
+			int bit = __ffs(stat);
+			int line = i * 8 + bit;
+
+			handle_nested_irq(tc35892_gpio->irq_base + line);
+			stat &= ~(1 << bit);
+		}
+
+		tc35892_reg_write(tc35892, TC35892_GPIOIC0 + i, status[i]);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int tc35892_gpio_irq_init(struct tc35892_gpio *tc35892_gpio)
+{
+	int base = tc35892_gpio->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + tc35892_gpio->chip.ngpio; irq++) {
+		set_irq_chip_data(irq, tc35892_gpio);
+		set_irq_chip_and_handler(irq, &tc35892_gpio_irq_chip,
+					 handle_simple_irq);
+		set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, IRQF_VALID);
+#else
+		set_irq_noprobe(irq);
+#endif
+	}
+
+	return 0;
+}
+
+static void tc35892_gpio_irq_remove(struct tc35892_gpio *tc35892_gpio)
+{
+	int base = tc35892_gpio->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + tc35892_gpio->chip.ngpio; irq++) {
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, 0);
+#endif
+		set_irq_chip_and_handler(irq, NULL, NULL);
+		set_irq_chip_data(irq, NULL);
+	}
+}
+
+static int __devinit tc35892_gpio_probe(struct platform_device *pdev)
+{
+	struct tc35892 *tc35892 = dev_get_drvdata(pdev->dev.parent);
+	struct tc35892_gpio_platform_data *pdata;
+	struct tc35892_gpio *tc35892_gpio;
+	int ret;
+	int irq;
+
+	pdata = tc35892->pdata->gpio;
+	if (!pdata)
+		return -ENODEV;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
+	tc35892_gpio = kzalloc(sizeof(struct tc35892_gpio), GFP_KERNEL);
+	if (!tc35892_gpio)
+		return -ENOMEM;
+
+	mutex_init(&tc35892_gpio->irq_lock);
+
+	tc35892_gpio->dev = &pdev->dev;
+	tc35892_gpio->tc35892 = tc35892;
+
+	tc35892_gpio->chip = template_chip;
+	tc35892_gpio->chip.ngpio = tc35892->num_gpio;
+	tc35892_gpio->chip.dev = &pdev->dev;
+	tc35892_gpio->chip.base = pdata->gpio_base;
+
+	tc35892_gpio->irq_base = tc35892->irq_base + TC35892_INT_GPIO(0);
+
+	/* Bring the GPIO module out of reset */
+	ret = tc35892_set_bits(tc35892, TC35892_RSTCTRL,
+			       TC35892_RSTCTRL_GPIRST, 0);
+	if (ret < 0)
+		goto out_free;
+
+	ret = tc35892_gpio_irq_init(tc35892_gpio);
+	if (ret)
+		goto out_free;
+
+	ret = request_threaded_irq(irq, NULL, tc35892_gpio_irq, IRQF_ONESHOT,
+				   "tc35892-gpio", tc35892_gpio);
+	if (ret) {
+		dev_err(&pdev->dev, "unable to get irq: %d\n", ret);
+		goto out_removeirq;
+	}
+
+	ret = gpiochip_add(&tc35892_gpio->chip);
+	if (ret) {
+		dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);
+		goto out_freeirq;
+	}
+
+	platform_set_drvdata(pdev, tc35892_gpio);
+
+	return 0;
+
+out_freeirq:
+	free_irq(irq, tc35892_gpio);
+out_removeirq:
+	tc35892_gpio_irq_remove(tc35892_gpio);
+out_free:
+	kfree(tc35892_gpio);
+	return ret;
+}
+
+static int __devexit tc35892_gpio_remove(struct platform_device *pdev)
+{
+	struct tc35892_gpio *tc35892_gpio = platform_get_drvdata(pdev);
+	int irq = platform_get_irq(pdev, 0);
+	int ret;
+
+	ret = gpiochip_remove(&tc35892_gpio->chip);
+	if (ret < 0) {
+		dev_err(tc35892_gpio->dev,
+			"unable to remove gpiochip: %d\n", ret);
+		return ret;
+	}
+
+	free_irq(irq, tc35892_gpio);
+	tc35892_gpio_irq_remove(tc35892_gpio);
+
+	platform_set_drvdata(pdev, NULL);
+	kfree(tc35892_gpio);
+
+	return 0;
+}
+
+static struct platform_driver tc35892_gpio_driver = {
+	.driver.name	= "tc35892-gpio",
+	.driver.owner	= THIS_MODULE,
+	.probe		= tc35892_gpio_probe,
+	.remove		= __devexit_p(tc35892_gpio_remove),
+};
+
+static int __init tc35892_gpio_init(void)
+{
+	return platform_driver_register(&tc35892_gpio_driver);
+}
+subsys_initcall(tc35892_gpio_init);
+
+static void __exit tc35892_gpio_exit(void)
+{
+	platform_driver_unregister(&tc35892_gpio_driver);
+}
+module_exit(tc35892_gpio_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("TC35892 GPIO driver");
+MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");

From 812f9e9d424dde9ccb35975c0281edb6f8543735 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Sat, 1 May 2010 18:26:07 +0200
Subject: [PATCH 3539/3638] mfd: Renamed ab3100.h to abx500.h

The goal here is to make way for a more general interface for the
analog baseband chips ab3100 ab3550 ab550 and future chips.

This patch have been divided into two parts since both changing name
and content of a file is not recommended in git.

Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 arch/arm/mach-u300/i2c.c                 | 2 +-
 drivers/mfd/ab3100-core.c                | 2 +-
 drivers/mfd/ab3100-otp.c                 | 2 +-
 drivers/regulator/ab3100.c               | 2 +-
 drivers/rtc/rtc-ab3100.c                 | 2 +-
 include/linux/mfd/{ab3100.h => abx500.h} | 0
 6 files changed, 5 insertions(+), 5 deletions(-)
 rename include/linux/mfd/{ab3100.h => abx500.h} (100%)

diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c
index c73ed06b606..d893ee035c2 100644
--- a/arch/arm/mach-u300/i2c.c
+++ b/arch/arm/mach-u300/i2c.c
@@ -9,7 +9,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/i2c.h>
-#include <linux/mfd/ab3100.h>
+#include <linux/mfd/abx500.h>
 #include <linux/regulator/machine.h>
 #include <linux/amba/bus.h>
 #include <mach/irqs.h>
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index 16898211cd1..f8c4a333ff1 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -19,7 +19,7 @@
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/uaccess.h>
-#include <linux/mfd/ab3100.h>
+#include <linux/mfd/abx500.h>
 
 /* These are the only registers inside AB3100 used in this main file */
 
diff --git a/drivers/mfd/ab3100-otp.c b/drivers/mfd/ab3100-otp.c
index 2d14655fdeb..7093f1aef1e 100644
--- a/drivers/mfd/ab3100-otp.c
+++ b/drivers/mfd/ab3100-otp.c
@@ -12,7 +12,7 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/mfd/ab3100.h>
+#include <linux/mfd/abx500.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 1afd008ca95..04ca7f62c57 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -16,7 +16,7 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>
-#include <linux/mfd/ab3100.h>
+#include <linux/mfd/abx500.h>
 
 /* LDO registers and some handy masking definitions for AB3100 */
 #define AB3100_LDO_A		0x40
diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c
index 4704aac2b5a..b46b85d581b 100644
--- a/drivers/rtc/rtc-ab3100.c
+++ b/drivers/rtc/rtc-ab3100.c
@@ -9,7 +9,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/rtc.h>
-#include <linux/mfd/ab3100.h>
+#include <linux/mfd/abx500.h>
 
 /* Clock rate in Hz */
 #define AB3100_RTC_CLOCK_RATE	32768
diff --git a/include/linux/mfd/ab3100.h b/include/linux/mfd/abx500.h
similarity index 100%
rename from include/linux/mfd/ab3100.h
rename to include/linux/mfd/abx500.h

From fa661258a27aa74aaf741882053d195291cefb75 Mon Sep 17 00:00:00 2001
From: Mattias Wallin <mattias.wallin@stericsson.com>
Date: Sat, 1 May 2010 18:26:20 +0200
Subject: [PATCH 3540/3638] mfd: AB3100 register access change to abx500 API

The interface for the AB3100 is changed to make way for the
ABX500 family of chips: AB3550, AB5500 and future ST-Ericsson
Analog Baseband chips. The register access functions are moved
out to a separate struct abx500_ops. In this way the interface
is moved from the implementation and the sub functionality drivers
can keep their interface intact when chip infrastructure and
communication mechanisms changes. We also define the AB3550
device IDs and the AB3550 platform data struct and convert
the catenated 32bit event to an array of 3 x 8bits.

Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Kconfig        |  12 ++-
 drivers/mfd/Makefile       |   1 +
 drivers/mfd/ab3100-core.c  |  93 +++++++++++++++-------
 drivers/mfd/ab3100-otp.c   |  11 +--
 drivers/mfd/abx500-core.c  | 157 +++++++++++++++++++++++++++++++++++++
 drivers/regulator/ab3100.c |  33 ++++----
 drivers/rtc/rtc-ab3100.c   |  39 ++++-----
 include/linux/mfd/abx500.h | 134 +++++++++++++++++++++++++++----
 8 files changed, 389 insertions(+), 91 deletions(-)
 create mode 100644 drivers/mfd/abx500-core.c

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 614fa7b8a05..1c3d737ec40 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -374,9 +374,19 @@ config PCF50633_GPIO
 	 Say yes here if you want to include support GPIO for pins on
 	 the PCF50633 chip.
 
+config ABX500_CORE
+	bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions"
+	default y if ARCH_U300
+	help
+	  Say yes here if you have the ABX500 Mixed Signal IC family
+	  chips. This core driver expose register access functions.
+	  Functionality specific drivers using these functions can
+	  remain unchanged when IC changes. Binding of the functions to
+	  actual register access is done by the IC core driver.
+
 config AB3100_CORE
 	bool "ST-Ericsson AB3100 Mixed Signal Circuit core functions"
-	depends on I2C=y
+	depends on I2C=y && ABX500_CORE
 	default y if ARCH_U300
 	help
 	  Select this to enable the AB3100 Mixed Signal IC core
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 5eb79794d5a..4b8ad04ff8e 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -60,6 +60,7 @@ obj-$(CONFIG_MFD_MAX8925)	+= max8925.o
 obj-$(CONFIG_MFD_PCF50633)	+= pcf50633-core.o
 obj-$(CONFIG_PCF50633_ADC)	+= pcf50633-adc.o
 obj-$(CONFIG_PCF50633_GPIO)	+= pcf50633-gpio.o
+obj-$(CONFIG_ABX500_CORE)	+= abx500-core.o
 obj-$(CONFIG_AB3100_CORE)	+= ab3100-core.o
 obj-$(CONFIG_AB3100_OTP)	+= ab3100-otp.o
 obj-$(CONFIG_AB4500_CORE)	+= ab4500-core.o
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index f8c4a333ff1..53ebfee548f 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -59,24 +59,15 @@
  * The AB3100 is usually assigned address 0x48 (7-bit)
  * The chip is defined in the platform i2c_board_data section.
  */
-
-u8 ab3100_get_chip_type(struct ab3100 *ab3100)
+static int ab3100_get_chip_id(struct device *dev)
 {
-	u8 chip = ABUNKNOWN;
+	struct ab3100 *ab3100 = dev_get_drvdata(dev->parent);
 
-	switch (ab3100->chip_id & 0xf0) {
-	case  0xa0:
-		chip = AB3000;
-		break;
-	case  0xc0:
-		chip = AB3100;
-		break;
-	}
-	return chip;
+	return (int)ab3100->chip_id;
 }
-EXPORT_SYMBOL(ab3100_get_chip_type);
 
-int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval)
+static int ab3100_set_register_interruptible(struct ab3100 *ab3100,
+	u8 reg, u8 regval)
 {
 	u8 regandval[2] = {reg, regval};
 	int err;
@@ -108,8 +99,14 @@ int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval)
 	mutex_unlock(&ab3100->access_mutex);
 	return err;
 }
-EXPORT_SYMBOL(ab3100_set_register_interruptible);
 
+static int set_register_interruptible(struct device *dev,
+	u8 bank, u8 reg, u8 value)
+{
+	struct ab3100 *ab3100 = dev_get_drvdata(dev->parent);
+
+	return ab3100_set_register_interruptible(ab3100, reg, value);
+}
 
 /*
  * The test registers exist at an I2C bus address up one
@@ -148,8 +145,8 @@ static int ab3100_set_test_register_interruptible(struct ab3100 *ab3100,
 	return err;
 }
 
-
-int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval)
+static int ab3100_get_register_interruptible(struct ab3100 *ab3100,
+	u8 reg, u8 *regval)
 {
 	int err;
 
@@ -203,10 +200,16 @@ int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval)
 	mutex_unlock(&ab3100->access_mutex);
 	return err;
 }
-EXPORT_SYMBOL(ab3100_get_register_interruptible);
 
+static int get_register_interruptible(struct device *dev, u8 bank, u8 reg,
+	u8 *value)
+{
+	struct ab3100 *ab3100 = dev_get_drvdata(dev->parent);
 
-int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
+	return ab3100_get_register_interruptible(ab3100, reg, value);
+}
+
+static int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
 			     u8 first_reg, u8 *regvals, u8 numregs)
 {
 	int err;
@@ -260,10 +263,17 @@ int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
 	mutex_unlock(&ab3100->access_mutex);
 	return err;
 }
-EXPORT_SYMBOL(ab3100_get_register_page_interruptible);
 
+static int get_register_page_interruptible(struct device *dev, u8 bank,
+	u8 first_reg, u8 *regvals, u8 numregs)
+{
+	struct ab3100 *ab3100 = dev_get_drvdata(dev->parent);
 
-int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
+	return ab3100_get_register_page_interruptible(ab3100,
+			first_reg, regvals, numregs);
+}
+
+static int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
 				 u8 reg, u8 andmask, u8 ormask)
 {
 	u8 regandval[2] = {reg, 0};
@@ -331,8 +341,15 @@ int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
 	mutex_unlock(&ab3100->access_mutex);
 	return err;
 }
-EXPORT_SYMBOL(ab3100_mask_and_set_register_interruptible);
 
+static int mask_and_set_register_interruptible(struct device *dev, u8 bank,
+	u8 reg, u8 bitmask, u8 bitvalues)
+{
+	struct ab3100 *ab3100 = dev_get_drvdata(dev->parent);
+
+	return ab3100_mask_and_set_register_interruptible(ab3100,
+			reg, bitmask, (bitmask & bitvalues));
+}
 
 /*
  * Register a simple callback for handling any AB3100 events.
@@ -357,15 +374,27 @@ int ab3100_event_unregister(struct ab3100 *ab3100,
 EXPORT_SYMBOL(ab3100_event_unregister);
 
 
-int ab3100_event_registers_startup_state_get(struct ab3100 *ab3100,
-					     u32 *fatevent)
+static int ab3100_event_registers_startup_state_get(struct device *dev,
+					     u8 *event)
 {
+	struct ab3100 *ab3100 = dev_get_drvdata(dev->parent);
 	if (!ab3100->startup_events_read)
 		return -EAGAIN; /* Try again later */
-	*fatevent = ab3100->startup_events;
+	memcpy(event, ab3100->startup_events, 3);
 	return 0;
 }
-EXPORT_SYMBOL(ab3100_event_registers_startup_state_get);
+
+static struct abx500_ops ab3100_ops = {
+	.get_chip_id = ab3100_get_chip_id,
+	.set_register = set_register_interruptible,
+	.get_register = get_register_interruptible,
+	.get_register_page = get_register_page_interruptible,
+	.set_register_page = NULL,
+	.mask_and_set_register = mask_and_set_register_interruptible,
+	.event_registers_startup_state_get =
+		ab3100_event_registers_startup_state_get,
+	.startup_irq_enabled = NULL,
+};
 
 /*
  * This is a threaded interrupt handler so we can make some
@@ -390,7 +419,9 @@ static irqreturn_t ab3100_irq_handler(int irq, void *data)
 		event_regs[2];
 
 	if (!ab3100->startup_events_read) {
-		ab3100->startup_events = fatevent;
+		ab3100->startup_events[0] = event_regs[0];
+		ab3100->startup_events[1] = event_regs[1];
+		ab3100->startup_events[2] = event_regs[2];
 		ab3100->startup_events_read = true;
 	}
 	/*
@@ -703,7 +734,8 @@ static int __init ab3100_setup(struct ab3100 *ab3100)
 		dev_warn(ab3100->dev,
 			 "AB3100 P1E variant detected, "
 			 "forcing chip to 32KHz\n");
-		err = ab3100_set_test_register_interruptible(ab3100, 0x02, 0x08);
+		err = ab3100_set_test_register_interruptible(ab3100,
+			0x02, 0x08);
 	}
 
  exit_no_setup:
@@ -898,6 +930,10 @@ static int __init ab3100_probe(struct i2c_client *client,
 	if (err)
 		goto exit_no_irq;
 
+	err = abx500_register_ops(&client->dev, &ab3100_ops);
+	if (err)
+		goto exit_no_ops;
+
 	/* Set parent and a pointer back to the container in device data */
 	for (i = 0; i < ARRAY_SIZE(ab3100_platform_devs); i++) {
 		ab3100_platform_devs[i]->dev.parent =
@@ -915,6 +951,7 @@ static int __init ab3100_probe(struct i2c_client *client,
 
 	return 0;
 
+ exit_no_ops:
  exit_no_irq:
  exit_no_setup:
 	i2c_unregister_device(ab3100->testreg_client);
diff --git a/drivers/mfd/ab3100-otp.c b/drivers/mfd/ab3100-otp.c
index 7093f1aef1e..63d2b727ddb 100644
--- a/drivers/mfd/ab3100-otp.c
+++ b/drivers/mfd/ab3100-otp.c
@@ -30,7 +30,6 @@
 /**
  * struct ab3100_otp
  * @dev containing device
- * @ab3100 a pointer to the parent ab3100 device struct
  * @locked whether the OTP is locked, after locking, no more bits
  *       can be changed but before locking it is still possible
  *       to change bits from 1->0.
@@ -49,7 +48,6 @@
  */
 struct ab3100_otp {
 	struct device *dev;
-	struct ab3100 *ab3100;
 	bool locked;
 	u32 freq;
 	bool paf;
@@ -63,19 +61,19 @@ struct ab3100_otp {
 
 static int __init ab3100_otp_read(struct ab3100_otp *otp)
 {
-	struct ab3100 *ab = otp->ab3100;
 	u8 otpval[8];
 	u8 otpp;
 	int err;
 
-	err = ab3100_get_register_interruptible(ab, AB3100_OTPP, &otpp);
+	err = abx500_get_register_interruptible(otp->dev, 0,
+		AB3100_OTPP, &otpp);
 	if (err) {
 		dev_err(otp->dev, "unable to read OTPP register\n");
 		return err;
 	}
 
-	err = ab3100_get_register_page_interruptible(ab, AB3100_OTP0,
-						     otpval, 8);
+	err = abx500_get_register_page_interruptible(otp->dev, 0,
+		AB3100_OTP0, otpval, 8);
 	if (err) {
 		dev_err(otp->dev, "unable to read OTP register page\n");
 		return err;
@@ -197,7 +195,6 @@ static int __init ab3100_otp_probe(struct platform_device *pdev)
 	otp->dev = &pdev->dev;
 
 	/* Replace platform data coming in with a local struct */
-	otp->ab3100 = platform_get_drvdata(pdev);
 	platform_set_drvdata(pdev, otp);
 
 	err = ab3100_otp_read(otp);
diff --git a/drivers/mfd/abx500-core.c b/drivers/mfd/abx500-core.c
new file mode 100644
index 00000000000..3b3b97ec32a
--- /dev/null
+++ b/drivers/mfd/abx500-core.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2007-2010 ST-Ericsson
+ * License terms: GNU General Public License (GPL) version 2
+ * Register access functions for the ABX500 Mixed Signal IC family.
+ * Author: Mattias Wallin <mattias.wallin@stericsson.com>
+ */
+
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/mfd/abx500.h>
+
+static LIST_HEAD(abx500_list);
+
+struct abx500_device_entry {
+	struct list_head list;
+	struct abx500_ops ops;
+	struct device *dev;
+};
+
+static void lookup_ops(struct device *dev, struct abx500_ops **ops)
+{
+	struct abx500_device_entry *dev_entry;
+
+	*ops = NULL;
+	list_for_each_entry(dev_entry, &abx500_list, list) {
+		if (dev_entry->dev == dev) {
+			*ops = &dev_entry->ops;
+			return;
+		}
+	}
+}
+
+int abx500_register_ops(struct device *dev, struct abx500_ops *ops)
+{
+	struct abx500_device_entry *dev_entry;
+
+	dev_entry = kzalloc(sizeof(struct abx500_device_entry), GFP_KERNEL);
+	if (IS_ERR(dev_entry)) {
+		dev_err(dev, "register_ops kzalloc failed");
+		return -ENOMEM;
+	}
+	dev_entry->dev = dev;
+	memcpy(&dev_entry->ops, ops, sizeof(struct abx500_ops));
+
+	list_add_tail(&dev_entry->list, &abx500_list);
+	return 0;
+}
+EXPORT_SYMBOL(abx500_register_ops);
+
+void abx500_remove_ops(struct device *dev)
+{
+	struct abx500_device_entry *dev_entry, *tmp;
+
+	list_for_each_entry_safe(dev_entry, tmp, &abx500_list, list)
+	{
+		if (dev_entry->dev == dev) {
+			list_del(&dev_entry->list);
+			kfree(dev_entry);
+		}
+	}
+}
+EXPORT_SYMBOL(abx500_remove_ops);
+
+int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg,
+	u8 value)
+{
+	struct abx500_ops *ops;
+
+	lookup_ops(dev->parent, &ops);
+	if ((ops != NULL) && (ops->set_register != NULL))
+		return ops->set_register(dev, bank, reg, value);
+	else
+		return -ENOTSUPP;
+}
+EXPORT_SYMBOL(abx500_set_register_interruptible);
+
+int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg,
+	u8 *value)
+{
+	struct abx500_ops *ops;
+
+	lookup_ops(dev->parent, &ops);
+	if ((ops != NULL) && (ops->get_register != NULL))
+		return ops->get_register(dev, bank, reg, value);
+	else
+		return -ENOTSUPP;
+}
+EXPORT_SYMBOL(abx500_get_register_interruptible);
+
+int abx500_get_register_page_interruptible(struct device *dev, u8 bank,
+	u8 first_reg, u8 *regvals, u8 numregs)
+{
+	struct abx500_ops *ops;
+
+	lookup_ops(dev->parent, &ops);
+	if ((ops != NULL) && (ops->get_register_page != NULL))
+		return ops->get_register_page(dev, bank,
+			first_reg, regvals, numregs);
+	else
+		return -ENOTSUPP;
+}
+EXPORT_SYMBOL(abx500_get_register_page_interruptible);
+
+int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank,
+	u8 reg, u8 bitmask, u8 bitvalues)
+{
+	struct abx500_ops *ops;
+
+	lookup_ops(dev->parent, &ops);
+	if ((ops != NULL) && (ops->mask_and_set_register != NULL))
+		return ops->mask_and_set_register(dev, bank,
+			reg, bitmask, bitvalues);
+	else
+		return -ENOTSUPP;
+}
+EXPORT_SYMBOL(abx500_mask_and_set_register_interruptible);
+
+int abx500_get_chip_id(struct device *dev)
+{
+	struct abx500_ops *ops;
+
+	lookup_ops(dev->parent, &ops);
+	if ((ops != NULL) && (ops->get_chip_id != NULL))
+		return ops->get_chip_id(dev);
+	else
+		return -ENOTSUPP;
+}
+EXPORT_SYMBOL(abx500_get_chip_id);
+
+int abx500_event_registers_startup_state_get(struct device *dev, u8 *event)
+{
+	struct abx500_ops *ops;
+
+	lookup_ops(dev->parent, &ops);
+	if ((ops != NULL) && (ops->event_registers_startup_state_get != NULL))
+		return ops->event_registers_startup_state_get(dev, event);
+	else
+		return -ENOTSUPP;
+}
+EXPORT_SYMBOL(abx500_event_registers_startup_state_get);
+
+int abx500_startup_irq_enabled(struct device *dev, unsigned int irq)
+{
+	struct abx500_ops *ops;
+
+	lookup_ops(dev->parent, &ops);
+	if ((ops != NULL) && (ops->startup_irq_enabled != NULL))
+		return ops->startup_irq_enabled(dev, irq);
+	else
+		return -ENOTSUPP;
+}
+EXPORT_SYMBOL(abx500_startup_irq_enabled);
+
+MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>");
+MODULE_DESCRIPTION("ABX500 core driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 04ca7f62c57..7b14a67bdca 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -41,7 +41,7 @@
  * struct ab3100_regulator
  * A struct passed around the individual regulator functions
  * @platform_device: platform device holding this regulator
- * @ab3100: handle to the AB3100 parent chip
+ * @dev: handle to the device
  * @plfdata: AB3100 platform data passed in at probe time
  * @regreg: regulator register number in the AB3100
  * @fixed_voltage: a fixed voltage for this regulator, if this
@@ -52,7 +52,7 @@
  */
 struct ab3100_regulator {
 	struct regulator_dev *rdev;
-	struct ab3100 *ab3100;
+	struct device *dev;
 	struct ab3100_platform_data *plfdata;
 	u8 regreg;
 	int fixed_voltage;
@@ -183,7 +183,7 @@ static int ab3100_enable_regulator(struct regulator_dev *reg)
 	int err;
 	u8 regval;
 
-	err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg,
+	err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg,
 						&regval);
 	if (err) {
 		dev_warn(&reg->dev, "failed to get regid %d value\n",
@@ -197,7 +197,7 @@ static int ab3100_enable_regulator(struct regulator_dev *reg)
 
 	regval |= AB3100_REG_ON_MASK;
 
-	err = ab3100_set_register_interruptible(abreg->ab3100, abreg->regreg,
+	err = abx500_set_register_interruptible(abreg->dev, 0, abreg->regreg,
 						regval);
 	if (err) {
 		dev_warn(&reg->dev, "failed to set regid %d value\n",
@@ -245,14 +245,14 @@ static int ab3100_disable_regulator(struct regulator_dev *reg)
 	if (abreg->regreg == AB3100_LDO_D) {
 		dev_info(&reg->dev, "disabling LDO D - shut down system\n");
 		/* Setting LDO D to 0x00 cuts the power to the SoC */
-		return ab3100_set_register_interruptible(abreg->ab3100,
+		return abx500_set_register_interruptible(abreg->dev, 0,
 							 AB3100_LDO_D, 0x00U);
 	}
 
 	/*
 	 * All other regulators are handled here
 	 */
-	err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg,
+	err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg,
 						&regval);
 	if (err) {
 		dev_err(&reg->dev, "unable to get register 0x%x\n",
@@ -260,7 +260,7 @@ static int ab3100_disable_regulator(struct regulator_dev *reg)
 		return err;
 	}
 	regval &= ~AB3100_REG_ON_MASK;
-	return ab3100_set_register_interruptible(abreg->ab3100, abreg->regreg,
+	return abx500_set_register_interruptible(abreg->dev, 0, abreg->regreg,
 						 regval);
 }
 
@@ -270,7 +270,7 @@ static int ab3100_is_enabled_regulator(struct regulator_dev *reg)
 	u8 regval;
 	int err;
 
-	err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg,
+	err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg,
 						&regval);
 	if (err) {
 		dev_err(&reg->dev, "unable to get register 0x%x\n",
@@ -305,7 +305,7 @@ static int ab3100_get_voltage_regulator(struct regulator_dev *reg)
 	 * For variable types, read out setting and index into
 	 * supplied voltage list.
 	 */
-	err = ab3100_get_register_interruptible(abreg->ab3100,
+	err = abx500_get_register_interruptible(abreg->dev, 0,
 						abreg->regreg, &regval);
 	if (err) {
 		dev_warn(&reg->dev,
@@ -373,7 +373,7 @@ static int ab3100_set_voltage_regulator(struct regulator_dev *reg,
 	if (bestindex < 0)
 		return bestindex;
 
-	err = ab3100_get_register_interruptible(abreg->ab3100,
+	err = abx500_get_register_interruptible(abreg->dev, 0,
 						abreg->regreg, &regval);
 	if (err) {
 		dev_warn(&reg->dev,
@@ -386,7 +386,7 @@ static int ab3100_set_voltage_regulator(struct regulator_dev *reg,
 	regval &= ~0xE0;
 	regval |= (bestindex << 5);
 
-	err = ab3100_set_register_interruptible(abreg->ab3100,
+	err = abx500_set_register_interruptible(abreg->dev, 0,
 						abreg->regreg, regval);
 	if (err)
 		dev_warn(&reg->dev, "failed to set regulator register %02x\n",
@@ -414,7 +414,7 @@ static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg,
 	/* LDO E and BUCK have special suspend voltages you can set */
 	bestindex = ab3100_get_best_voltage_index(reg, uV, uV);
 
-	err = ab3100_get_register_interruptible(abreg->ab3100,
+	err = abx500_get_register_interruptible(abreg->dev, 0,
 						targetreg, &regval);
 	if (err) {
 		dev_warn(&reg->dev,
@@ -427,7 +427,7 @@ static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg,
 	regval &= ~0xE0;
 	regval |= (bestindex << 5);
 
-	err = ab3100_set_register_interruptible(abreg->ab3100,
+	err = abx500_set_register_interruptible(abreg->dev, 0,
 						targetreg, regval);
 	if (err)
 		dev_warn(&reg->dev, "failed to set regulator register %02x\n",
@@ -574,13 +574,12 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 static int __devinit ab3100_regulators_probe(struct platform_device *pdev)
 {
 	struct ab3100_platform_data *plfdata = pdev->dev.platform_data;
-	struct ab3100 *ab3100 = platform_get_drvdata(pdev);
 	int err = 0;
 	u8 data;
 	int i;
 
 	/* Check chip state */
-	err = ab3100_get_register_interruptible(ab3100,
+	err = abx500_get_register_interruptible(&pdev->dev, 0,
 						AB3100_LDO_D, &data);
 	if (err) {
 		dev_err(&pdev->dev, "could not read initial status of LDO_D\n");
@@ -595,7 +594,7 @@ static int __devinit ab3100_regulators_probe(struct platform_device *pdev)
 
 	/* Set up regulators */
 	for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) {
-		err = ab3100_set_register_interruptible(ab3100,
+		err = abx500_set_register_interruptible(&pdev->dev, 0,
 					ab3100_reg_init_order[i],
 					plfdata->reg_initvals[i]);
 		if (err) {
@@ -617,7 +616,7 @@ static int __devinit ab3100_regulators_probe(struct platform_device *pdev)
 		 * see what it looks like for a certain machine, go
 		 * into the machine I2C setup.
 		 */
-		reg->ab3100 = ab3100;
+		reg->dev = &pdev->dev;
 		reg->plfdata = plfdata;
 
 		/*
diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c
index b46b85d581b..d26780ea254 100644
--- a/drivers/rtc/rtc-ab3100.c
+++ b/drivers/rtc/rtc-ab3100.c
@@ -45,7 +45,6 @@
  */
 static int ab3100_rtc_set_mmss(struct device *dev, unsigned long secs)
 {
-	struct ab3100 *ab3100_data = dev_get_drvdata(dev);
 	u8 regs[] = {AB3100_TI0, AB3100_TI1, AB3100_TI2,
 		     AB3100_TI3, AB3100_TI4, AB3100_TI5};
 	unsigned char buf[6];
@@ -61,27 +60,26 @@ static int ab3100_rtc_set_mmss(struct device *dev, unsigned long secs)
 	buf[5] = (fat_time >> 40) & 0xFF;
 
 	for (i = 0; i < 6; i++) {
-		err = ab3100_set_register_interruptible(ab3100_data,
+		err = abx500_set_register_interruptible(dev, 0,
 							regs[i], buf[i]);
 		if (err)
 			return err;
 	}
 
 	/* Set the flag to mark that the clock is now set */
-	return ab3100_mask_and_set_register_interruptible(ab3100_data,
+	return abx500_mask_and_set_register_interruptible(dev, 0,
 							  AB3100_RTC,
-							  0xFE, 0x01);
+							  0x01, 0x01);
 
 }
 
 static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
-	struct ab3100 *ab3100_data = dev_get_drvdata(dev);
 	unsigned long time;
 	u8 rtcval;
 	int err;
 
-	err = ab3100_get_register_interruptible(ab3100_data,
+	err = abx500_get_register_interruptible(dev, 0,
 						AB3100_RTC, &rtcval);
 	if (err)
 		return err;
@@ -94,7 +92,7 @@ static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm)
 		u8 buf[6];
 
 		/* Read out time registers */
-		err = ab3100_get_register_page_interruptible(ab3100_data,
+		err = abx500_get_register_page_interruptible(dev, 0,
 							     AB3100_TI0,
 							     buf, 6);
 		if (err != 0)
@@ -114,7 +112,6 @@ static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm)
 
 static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 {
-	struct ab3100 *ab3100_data = dev_get_drvdata(dev);
 	unsigned long time;
 	u64 fat_time;
 	u8 buf[6];
@@ -122,7 +119,7 @@ static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 	int err;
 
 	/* Figure out if alarm is enabled or not */
-	err = ab3100_get_register_interruptible(ab3100_data,
+	err = abx500_get_register_interruptible(dev, 0,
 						AB3100_RTC, &rtcval);
 	if (err)
 		return err;
@@ -133,7 +130,7 @@ static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 	/* No idea how this could be represented */
 	alarm->pending = 0;
 	/* Read out alarm registers, only 4 bytes */
-	err = ab3100_get_register_page_interruptible(ab3100_data,
+	err = abx500_get_register_page_interruptible(dev, 0,
 						     AB3100_AL0, buf, 4);
 	if (err)
 		return err;
@@ -148,7 +145,6 @@ static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 
 static int ab3100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 {
-	struct ab3100 *ab3100_data = dev_get_drvdata(dev);
 	u8 regs[] = {AB3100_AL0, AB3100_AL1, AB3100_AL2, AB3100_AL3};
 	unsigned char buf[4];
 	unsigned long secs;
@@ -165,21 +161,19 @@ static int ab3100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 
 	/* Set the alarm */
 	for (i = 0; i < 4; i++) {
-		err = ab3100_set_register_interruptible(ab3100_data,
+		err = abx500_set_register_interruptible(dev, 0,
 							regs[i], buf[i]);
 		if (err)
 			return err;
 	}
 	/* Then enable the alarm */
-	return ab3100_mask_and_set_register_interruptible(ab3100_data,
-							  AB3100_RTC, ~(1 << 2),
+	return abx500_mask_and_set_register_interruptible(dev, 0,
+							  AB3100_RTC, (1 << 2),
 							  alarm->enabled << 2);
 }
 
 static int ab3100_rtc_irq_enable(struct device *dev, unsigned int enabled)
 {
-	struct ab3100 *ab3100_data = dev_get_drvdata(dev);
-
 	/*
 	 * It's not possible to enable/disable the alarm IRQ for this RTC.
 	 * It does not actually trigger any IRQ: instead its only function is
@@ -188,12 +182,12 @@ static int ab3100_rtc_irq_enable(struct device *dev, unsigned int enabled)
 	 * and need to be handled there instead.
 	 */
 	if (enabled)
-		return ab3100_mask_and_set_register_interruptible(ab3100_data,
-						    AB3100_RTC, ~(1 << 2),
+		return abx500_mask_and_set_register_interruptible(dev, 0,
+						    AB3100_RTC, (1 << 2),
 						    1 << 2);
 	else
-		return ab3100_mask_and_set_register_interruptible(ab3100_data,
-						    AB3100_RTC, ~(1 << 2),
+		return abx500_mask_and_set_register_interruptible(dev, 0,
+						    AB3100_RTC, (1 << 2),
 						    0);
 }
 
@@ -210,10 +204,9 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev)
 	int err;
 	u8 regval;
 	struct rtc_device *rtc;
-	struct ab3100 *ab3100_data = platform_get_drvdata(pdev);
 
 	/* The first RTC register needs special treatment */
-	err = ab3100_get_register_interruptible(ab3100_data,
+	err = abx500_get_register_interruptible(&pdev->dev, 0,
 						AB3100_RTC, &regval);
 	if (err) {
 		dev_err(&pdev->dev, "unable to read RTC register\n");
@@ -231,7 +224,7 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev)
 		 * This bit remains until RTC power is lost.
 		 */
 		regval = 1 | RTC_SETTING;
-		err = ab3100_set_register_interruptible(ab3100_data,
+		err = abx500_set_register_interruptible(&pdev->dev, 0,
 							AB3100_RTC, regval);
 		/* Ignore any error on this write */
 	}
diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index 9a881c305a5..390726fcbcb 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -3,17 +3,37 @@
  * License terms: GNU General Public License (GPL) version 2
  * AB3100 core access functions
  * Author: Linus Walleij <linus.walleij@stericsson.com>
+ *
+ * ABX500 core access functions.
+ * The abx500 interface is used for the Analog Baseband chip
+ * ab3100, ab3550, ab5500 and possibly comming. It is not used for
+ * ab4500 and ab8500 since they are another family of chip.
+ *
+ * Author: Mattias Wallin <mattias.wallin@stericsson.com>
+ * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
+ * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
+ * Author: Rickard Andersson <rickard.andersson@stericsson.com>
  */
 
 #include <linux/device.h>
 #include <linux/regulator/machine.h>
 
-#ifndef MFD_AB3100_H
-#define MFD_AB3100_H
+#ifndef MFD_ABX500_H
+#define MFD_ABX500_H
 
-#define ABUNKNOWN	0
-#define	AB3000		1
-#define	AB3100		2
+#define AB3100_P1A	0xc0
+#define AB3100_P1B	0xc1
+#define AB3100_P1C	0xc2
+#define AB3100_P1D	0xc3
+#define AB3100_P1E	0xc4
+#define AB3100_P1F	0xc5
+#define AB3100_P1G	0xc6
+#define AB3100_R2A	0xc7
+#define AB3100_R2B	0xc8
+#define AB3550_P1A	0x10
+#define AB5500_1_0	0x20
+#define AB5500_2_0	0x21
+#define AB5500_2_1	0x22
 
 /*
  * AB3100, EVENTA1, A2 and A3 event register flags
@@ -89,7 +109,7 @@ struct ab3100 {
 	char chip_name[32];
 	u8 chip_id;
 	struct blocking_notifier_head event_subscribers;
-	u32 startup_events;
+	u8 startup_events[3];
 	bool startup_events_read;
 };
 
@@ -112,18 +132,102 @@ struct ab3100_platform_data {
 	int external_voltage;
 };
 
-int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval);
-int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval);
-int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
-			     u8 first_reg, u8 *regvals, u8 numregs);
-int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
-				 u8 reg, u8 andmask, u8 ormask);
-u8 ab3100_get_chip_type(struct ab3100 *ab3100);
 int ab3100_event_register(struct ab3100 *ab3100,
 			  struct notifier_block *nb);
 int ab3100_event_unregister(struct ab3100 *ab3100,
 			    struct notifier_block *nb);
-int ab3100_event_registers_startup_state_get(struct ab3100 *ab3100,
-					     u32 *fatevent);
 
+/* AB3550, STR register flags */
+#define AB3550_STR_ONSWA				(0x01)
+#define AB3550_STR_ONSWB				(0x02)
+#define AB3550_STR_ONSWC				(0x04)
+#define AB3550_STR_DCIO					(0x08)
+#define AB3550_STR_BOOT_MODE				(0x10)
+#define AB3550_STR_SIM_OFF				(0x20)
+#define AB3550_STR_BATT_REMOVAL				(0x40)
+#define AB3550_STR_VBUS					(0x80)
+
+/* Interrupt mask registers */
+#define AB3550_IMR1 0x29
+#define AB3550_IMR2 0x2a
+#define AB3550_IMR3 0x2b
+#define AB3550_IMR4 0x2c
+#define AB3550_IMR5 0x2d
+
+enum ab3550_devid {
+	AB3550_DEVID_ADC,
+	AB3550_DEVID_DAC,
+	AB3550_DEVID_LEDS,
+	AB3550_DEVID_POWER,
+	AB3550_DEVID_REGULATORS,
+	AB3550_DEVID_SIM,
+	AB3550_DEVID_UART,
+	AB3550_DEVID_RTC,
+	AB3550_DEVID_CHARGER,
+	AB3550_DEVID_FUELGAUGE,
+	AB3550_DEVID_VIBRATOR,
+	AB3550_DEVID_CODEC,
+	AB3550_NUM_DEVICES,
+};
+
+/**
+ * struct abx500_init_setting
+ * Initial value of the registers for driver to use during setup.
+ */
+struct abx500_init_settings {
+	u8 bank;
+	u8 reg;
+	u8 setting;
+};
+
+/**
+ * struct ab3550_platform_data
+ * Data supplied to initialize board connections to the AB3550
+ */
+struct ab3550_platform_data {
+	struct {unsigned int base; unsigned int count; } irq;
+	void *dev_data[AB3550_NUM_DEVICES];
+	size_t dev_data_sz[AB3550_NUM_DEVICES];
+	struct abx500_init_settings *init_settings;
+	unsigned int init_settings_sz;
+};
+
+int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg,
+	u8 value);
+int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg,
+	u8 *value);
+int abx500_get_register_page_interruptible(struct device *dev, u8 bank,
+	u8 first_reg, u8 *regvals, u8 numregs);
+int abx500_set_register_page_interruptible(struct device *dev, u8 bank,
+	u8 first_reg, u8 *regvals, u8 numregs);
+/**
+ * abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a
+ *	target register
+ *
+ * @dev: The AB sub device.
+ * @bank: The i2c bank number.
+ * @bitmask: The bit mask to use.
+ * @bitvalues: The new bit values.
+ *
+ * Updates the value of an AB register:
+ * value -> ((value & ~bitmask) | (bitvalues & bitmask))
+ */
+int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank,
+	u8 reg, u8 bitmask, u8 bitvalues);
+int abx500_get_chip_id(struct device *dev);
+int abx500_event_registers_startup_state_get(struct device *dev, u8 *event);
+int abx500_startup_irq_enabled(struct device *dev, unsigned int irq);
+
+struct abx500_ops {
+	int (*get_chip_id) (struct device *);
+	int (*get_register) (struct device *, u8, u8, u8 *);
+	int (*set_register) (struct device *, u8, u8, u8);
+	int (*get_register_page) (struct device *, u8, u8, u8 *, u8);
+	int (*set_register_page) (struct device *, u8, u8, u8 *, u8);
+	int (*mask_and_set_register) (struct device *, u8, u8, u8, u8);
+	int (*event_registers_startup_state_get) (struct device *, u8 *);
+	int (*startup_irq_enabled) (struct device *, unsigned int);
+};
+
+int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops);
 #endif

From 09bcb3f3369e164bf51b3b566b865f2514b23e8c Mon Sep 17 00:00:00 2001
From: Mattias Wallin <mattias.wallin@stericsson.com>
Date: Tue, 11 May 2010 00:25:29 +0200
Subject: [PATCH 3541/3638] mfd: AB3550 core driver

This adds a core driver for the AB3550 mixed-signal circuit
found in the ST-Ericsson U300 platforms. This driver
is a singleton proxy for all access to the AB3550 sub
functionality drivers which can be added on top of this one:
RTC, regulators, battery and system power control, vibrator,
LEDs and an ALSA codec.

Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Kconfig       |   14 +
 drivers/mfd/Makefile      |    1 +
 drivers/mfd/ab3550-core.c | 1401 +++++++++++++++++++++++++++++++++++++
 3 files changed, 1416 insertions(+)
 create mode 100644 drivers/mfd/ab3550-core.c

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 1c3d737ec40..a20fa230d35 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -423,6 +423,20 @@ config AB4500_CORE
 	  read/write functions for the devices to get access to this chip.
 	  This chip embeds various other multimedia funtionalities as well.
 
+config AB3550_CORE
+        bool "ST-Ericsson AB3550 Mixed Signal Circuit core functions"
+	select MFD_CORE
+	depends on I2C=y && GENERIC_HARDIRQS && ABX500_CORE
+	help
+	  Select this to enable the AB3550 Mixed Signal IC core
+	  functionality. This connects to a AB3550 on the I2C bus
+	  and expose a number of symbols needed for dependent devices
+	  to read and write registers and subscribe to events from
+	  this multi-functional IC. This is needed to use other features
+	  of the AB3550 such as battery-backed RTC, charging control,
+	  LEDs, vibrator, system power and temperature, power management
+	  and ALSA sound.
+
 config MFD_TIMBERDALE
 	tristate "Support for the Timberdale FPGA"
 	select MFD_CORE
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 4b8ad04ff8e..4c684c137d4 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -64,6 +64,7 @@ obj-$(CONFIG_ABX500_CORE)	+= abx500-core.o
 obj-$(CONFIG_AB3100_CORE)	+= ab3100-core.o
 obj-$(CONFIG_AB3100_OTP)	+= ab3100-otp.o
 obj-$(CONFIG_AB4500_CORE)	+= ab4500-core.o
+obj-$(CONFIG_AB3550_CORE)	+= ab3550-core.o
 obj-$(CONFIG_MFD_TIMBERDALE)    += timberdale.o
 obj-$(CONFIG_PMIC_ADP5520)	+= adp5520.o
 obj-$(CONFIG_LPC_SCH)		+= lpc_sch.o
diff --git a/drivers/mfd/ab3550-core.c b/drivers/mfd/ab3550-core.c
new file mode 100644
index 00000000000..1060f8e1c40
--- /dev/null
+++ b/drivers/mfd/ab3550-core.c
@@ -0,0 +1,1401 @@
+/*
+ * Copyright (C) 2007-2010 ST-Ericsson
+ * License terms: GNU General Public License (GPL) version 2
+ * Low-level core for exclusive access to the AB3550 IC on the I2C bus
+ * and some basic chip-configuration.
+ * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
+ * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
+ * Author: Mattias Wallin <mattias.wallin@stericsson.com>
+ * Author: Rickard Andersson <rickard.andersson@stericsson.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/random.h>
+#include <linux/workqueue.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/uaccess.h>
+#include <linux/mfd/abx500.h>
+#include <linux/list.h>
+#include <linux/bitops.h>
+#include <linux/spinlock.h>
+#include <linux/mfd/core.h>
+
+#define AB3550_NAME_STRING "ab3550"
+#define AB3550_ID_FORMAT_STRING "AB3550 %s"
+#define AB3550_NUM_BANKS 2
+#define AB3550_NUM_EVENT_REG 5
+
+/* These are the only registers inside AB3550 used in this main file */
+
+/* Chip ID register */
+#define AB3550_CID_REG           0x20
+
+/* Interrupt event registers */
+#define AB3550_EVENT_BANK        0
+#define AB3550_EVENT_REG         0x22
+
+/* Read/write operation values. */
+#define AB3550_PERM_RD (0x01)
+#define AB3550_PERM_WR (0x02)
+
+/* Read/write permissions. */
+#define AB3550_PERM_RO (AB3550_PERM_RD)
+#define AB3550_PERM_RW (AB3550_PERM_RD | AB3550_PERM_WR)
+
+/**
+ * struct ab3550
+ * @access_mutex: lock out concurrent accesses to the AB registers
+ * @i2c_client: I2C client for this chip
+ * @chip_name: name of this chip variant
+ * @chip_id: 8 bit chip ID for this chip variant
+ * @mask_work: a worker for writing to mask registers
+ * @event_lock: a lock to protect the event_mask
+ * @event_mask: a local copy of the mask event registers
+ * @startup_events: a copy of the first reading of the event registers
+ * @startup_events_read: whether the first events have been read
+ */
+struct ab3550 {
+	struct mutex access_mutex;
+	struct i2c_client *i2c_client[AB3550_NUM_BANKS];
+	char chip_name[32];
+	u8 chip_id;
+	struct work_struct mask_work;
+	spinlock_t event_lock;
+	u8 event_mask[AB3550_NUM_EVENT_REG];
+	u8 startup_events[AB3550_NUM_EVENT_REG];
+	bool startup_events_read;
+#ifdef CONFIG_DEBUG_FS
+	unsigned int debug_bank;
+	unsigned int debug_address;
+#endif
+};
+
+/**
+ * struct ab3550_reg_range
+ * @first: the first address of the range
+ * @last: the last address of the range
+ * @perm: access permissions for the range
+ */
+struct ab3550_reg_range {
+	u8 first;
+	u8 last;
+	u8 perm;
+};
+
+/**
+ * struct ab3550_reg_ranges
+ * @count: the number of ranges in the list
+ * @range: the list of register ranges
+ */
+struct ab3550_reg_ranges {
+	u8 count;
+	const struct ab3550_reg_range *range;
+};
+
+/*
+ * Permissible register ranges for reading and writing per device and bank.
+ *
+ * The ranges must be listed in increasing address order, and no overlaps are
+ * allowed. It is assumed that write permission implies read permission
+ * (i.e. only RO and RW permissions should be used).  Ranges with write
+ * permission must not be split up.
+ */
+
+#define NO_RANGE {.count = 0, .range = NULL,}
+
+static struct
+ab3550_reg_ranges ab3550_reg_ranges[AB3550_NUM_DEVICES][AB3550_NUM_BANKS] = {
+	[AB3550_DEVID_DAC] = {
+		NO_RANGE,
+		{
+			.count = 2,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0xb0,
+					.last = 0xba,
+					.perm = AB3550_PERM_RW,
+				},
+				{
+					.first = 0xbc,
+					.last = 0xc3,
+					.perm = AB3550_PERM_RW,
+				},
+			},
+		},
+	},
+	[AB3550_DEVID_LEDS] = {
+		NO_RANGE,
+		{
+			.count = 2,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x5a,
+					.last = 0x88,
+					.perm = AB3550_PERM_RW,
+				},
+				{
+					.first = 0x8a,
+					.last = 0xad,
+					.perm = AB3550_PERM_RW,
+				},
+			}
+		},
+	},
+	[AB3550_DEVID_POWER] = {
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x21,
+					.last = 0x21,
+					.perm = AB3550_PERM_RO,
+				},
+			}
+		},
+		NO_RANGE,
+	},
+	[AB3550_DEVID_REGULATORS] = {
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x69,
+					.last = 0xa3,
+					.perm = AB3550_PERM_RW,
+				},
+			}
+		},
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x14,
+					.last = 0x16,
+					.perm = AB3550_PERM_RW,
+				},
+			}
+		},
+	},
+	[AB3550_DEVID_SIM] = {
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x21,
+					.last = 0x21,
+					.perm = AB3550_PERM_RO,
+				},
+			}
+		},
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x14,
+					.last = 0x17,
+					.perm = AB3550_PERM_RW,
+				},
+			}
+
+		},
+	},
+	[AB3550_DEVID_UART] = {
+		NO_RANGE,
+		NO_RANGE,
+	},
+	[AB3550_DEVID_RTC] = {
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x00,
+					.last = 0x0c,
+					.perm = AB3550_PERM_RW,
+				},
+			}
+		},
+		NO_RANGE,
+	},
+	[AB3550_DEVID_CHARGER] = {
+		{
+			.count = 2,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x10,
+					.last = 0x1a,
+					.perm = AB3550_PERM_RW,
+				},
+				{
+					.first = 0x21,
+					.last = 0x21,
+					.perm = AB3550_PERM_RO,
+				},
+			}
+		},
+		NO_RANGE,
+	},
+	[AB3550_DEVID_ADC] = {
+		NO_RANGE,
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x20,
+					.last = 0x56,
+					.perm = AB3550_PERM_RW,
+				},
+
+			}
+		},
+	},
+	[AB3550_DEVID_FUELGAUGE] = {
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x21,
+					.last = 0x21,
+					.perm = AB3550_PERM_RO,
+				},
+			}
+		},
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x00,
+					.last = 0x0e,
+					.perm = AB3550_PERM_RW,
+				},
+			}
+		},
+	},
+	[AB3550_DEVID_VIBRATOR] = {
+		NO_RANGE,
+		{
+			.count = 1,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x10,
+					.last = 0x13,
+					.perm = AB3550_PERM_RW,
+				},
+
+			}
+		},
+	},
+	[AB3550_DEVID_CODEC] = {
+		{
+			.count = 2,
+			.range = (struct ab3550_reg_range[]) {
+				{
+					.first = 0x31,
+					.last = 0x63,
+					.perm = AB3550_PERM_RW,
+				},
+				{
+					.first = 0x65,
+					.last = 0x68,
+					.perm = AB3550_PERM_RW,
+				},
+			}
+		},
+		NO_RANGE,
+	},
+};
+
+static struct mfd_cell ab3550_devs[AB3550_NUM_DEVICES] = {
+	[AB3550_DEVID_DAC] = {
+		.name = "ab3550-dac",
+		.id = AB3550_DEVID_DAC,
+		.num_resources = 0,
+	},
+	[AB3550_DEVID_LEDS] = {
+		.name = "ab3550-leds",
+		.id = AB3550_DEVID_LEDS,
+	},
+	[AB3550_DEVID_POWER] = {
+		.name = "ab3550-power",
+		.id = AB3550_DEVID_POWER,
+	},
+	[AB3550_DEVID_REGULATORS] = {
+		.name = "ab3550-regulators",
+		.id = AB3550_DEVID_REGULATORS,
+	},
+	[AB3550_DEVID_SIM] = {
+		.name = "ab3550-sim",
+		.id = AB3550_DEVID_SIM,
+	},
+	[AB3550_DEVID_UART] = {
+		.name = "ab3550-uart",
+		.id = AB3550_DEVID_UART,
+	},
+	[AB3550_DEVID_RTC] = {
+		.name = "ab3550-rtc",
+		.id = AB3550_DEVID_RTC,
+	},
+	[AB3550_DEVID_CHARGER] = {
+		.name = "ab3550-charger",
+		.id = AB3550_DEVID_CHARGER,
+	},
+	[AB3550_DEVID_ADC] = {
+		.name = "ab3550-adc",
+		.id = AB3550_DEVID_ADC,
+		.num_resources = 10,
+		.resources = (struct resource[]) {
+			{
+				.name = "TRIGGER-0",
+				.flags = IORESOURCE_IRQ,
+				.start = 16,
+				.end = 16,
+			},
+			{
+				.name = "TRIGGER-1",
+				.flags = IORESOURCE_IRQ,
+				.start = 17,
+				.end = 17,
+			},
+			{
+				.name = "TRIGGER-2",
+				.flags = IORESOURCE_IRQ,
+				.start = 18,
+				.end = 18,
+			},
+			{
+				.name = "TRIGGER-3",
+				.flags = IORESOURCE_IRQ,
+				.start = 19,
+				.end = 19,
+			},
+			{
+				.name = "TRIGGER-4",
+				.flags = IORESOURCE_IRQ,
+				.start = 20,
+				.end = 20,
+			},
+			{
+				.name = "TRIGGER-5",
+				.flags = IORESOURCE_IRQ,
+				.start = 21,
+				.end = 21,
+			},
+			{
+				.name = "TRIGGER-6",
+				.flags = IORESOURCE_IRQ,
+				.start = 22,
+				.end = 22,
+			},
+			{
+				.name = "TRIGGER-7",
+				.flags = IORESOURCE_IRQ,
+				.start = 23,
+				.end = 23,
+			},
+			{
+				.name = "TRIGGER-VBAT-TXON",
+				.flags = IORESOURCE_IRQ,
+				.start = 13,
+				.end = 13,
+			},
+			{
+				.name = "TRIGGER-VBAT",
+				.flags = IORESOURCE_IRQ,
+				.start = 12,
+				.end = 12,
+			},
+		},
+	},
+	[AB3550_DEVID_FUELGAUGE] = {
+		.name = "ab3550-fuelgauge",
+		.id = AB3550_DEVID_FUELGAUGE,
+	},
+	[AB3550_DEVID_VIBRATOR] = {
+		.name = "ab3550-vibrator",
+		.id = AB3550_DEVID_VIBRATOR,
+	},
+	[AB3550_DEVID_CODEC] = {
+		.name = "ab3550-codec",
+		.id = AB3550_DEVID_CODEC,
+	},
+};
+
+/*
+ * I2C transactions with error messages.
+ */
+static int ab3550_i2c_master_send(struct ab3550 *ab, u8 bank, u8 *data,
+	u8 count)
+{
+	int err;
+
+	err = i2c_master_send(ab->i2c_client[bank], data, count);
+	if (err < 0) {
+		dev_err(&ab->i2c_client[0]->dev, "send error: %d\n", err);
+		return err;
+	}
+	return 0;
+}
+
+static int ab3550_i2c_master_recv(struct ab3550 *ab, u8 bank, u8 *data,
+	u8 count)
+{
+	int err;
+
+	err = i2c_master_recv(ab->i2c_client[bank], data, count);
+	if (err < 0) {
+		dev_err(&ab->i2c_client[0]->dev, "receive error: %d\n", err);
+		return err;
+	}
+	return 0;
+}
+
+/*
+ * Functionality for getting/setting register values.
+ */
+static int get_register_interruptible(struct ab3550 *ab, u8 bank, u8 reg,
+	u8 *value)
+{
+	int err;
+
+	err = mutex_lock_interruptible(&ab->access_mutex);
+	if (err)
+		return err;
+
+	err = ab3550_i2c_master_send(ab, bank, &reg, 1);
+	if (!err)
+		err = ab3550_i2c_master_recv(ab, bank, value, 1);
+
+	mutex_unlock(&ab->access_mutex);
+	return err;
+}
+
+static int get_register_page_interruptible(struct ab3550 *ab, u8 bank,
+	u8 first_reg, u8 *regvals, u8 numregs)
+{
+	int err;
+
+	err = mutex_lock_interruptible(&ab->access_mutex);
+	if (err)
+		return err;
+
+	err = ab3550_i2c_master_send(ab, bank, &first_reg, 1);
+	if (!err)
+		err = ab3550_i2c_master_recv(ab, bank, regvals, numregs);
+
+	mutex_unlock(&ab->access_mutex);
+	return err;
+}
+
+static int mask_and_set_register_interruptible(struct ab3550 *ab, u8 bank,
+	u8 reg, u8 bitmask, u8 bitvalues)
+{
+	int err = 0;
+
+	if (likely(bitmask)) {
+		u8 reg_bits[2] = {reg, 0};
+
+		err = mutex_lock_interruptible(&ab->access_mutex);
+		if (err)
+			return err;
+
+		if (bitmask == 0xFF) /* No need to read in this case. */
+			reg_bits[1] = bitvalues;
+		else { /* Read and modify the register value. */
+			u8 bits;
+
+			err = ab3550_i2c_master_send(ab, bank, &reg, 1);
+			if (err)
+				goto unlock_and_return;
+			err = ab3550_i2c_master_recv(ab, bank, &bits, 1);
+			if (err)
+				goto unlock_and_return;
+			reg_bits[1] = ((~bitmask & bits) |
+				(bitmask & bitvalues));
+		}
+		/* Write the new value. */
+		err = ab3550_i2c_master_send(ab, bank, reg_bits, 2);
+unlock_and_return:
+		mutex_unlock(&ab->access_mutex);
+	}
+	return err;
+}
+
+/*
+ * Read/write permission checking functions.
+ */
+static bool page_write_allowed(const struct ab3550_reg_ranges *ranges,
+	u8 first_reg, u8 last_reg)
+{
+	u8 i;
+
+	if (last_reg < first_reg)
+		return false;
+
+	for (i = 0; i < ranges->count; i++) {
+		if (first_reg < ranges->range[i].first)
+			break;
+		if ((last_reg <= ranges->range[i].last) &&
+			(ranges->range[i].perm & AB3550_PERM_WR))
+			return true;
+	}
+	return false;
+}
+
+static bool reg_write_allowed(const struct ab3550_reg_ranges *ranges, u8 reg)
+{
+	return page_write_allowed(ranges, reg, reg);
+}
+
+static bool page_read_allowed(const struct ab3550_reg_ranges *ranges,
+	u8 first_reg, u8 last_reg)
+{
+	u8 i;
+
+	if (last_reg < first_reg)
+		return false;
+	/* Find the range (if it exists in the list) that includes first_reg. */
+	for (i = 0; i < ranges->count; i++) {
+		if (first_reg < ranges->range[i].first)
+			return false;
+		if (first_reg <= ranges->range[i].last)
+			break;
+	}
+	/* Make sure that the entire range up to and including last_reg is
+	 * readable. This may span several of the ranges in the list.
+	 */
+	while ((i < ranges->count) &&
+		(ranges->range[i].perm & AB3550_PERM_RD)) {
+		if (last_reg <= ranges->range[i].last)
+			return true;
+		if ((++i >= ranges->count) ||
+			(ranges->range[i].first !=
+			 (ranges->range[i - 1].last + 1))) {
+			break;
+		}
+	}
+	return false;
+}
+
+static bool reg_read_allowed(const struct ab3550_reg_ranges *ranges, u8 reg)
+{
+	return page_read_allowed(ranges, reg, reg);
+}
+
+/*
+ * The exported register access functionality.
+ */
+int ab3550_get_chip_id(struct device *dev)
+{
+	struct ab3550 *ab = dev_get_drvdata(dev->parent);
+	return (int)ab->chip_id;
+}
+
+int ab3550_mask_and_set_register_interruptible(struct device *dev, u8 bank,
+	u8 reg, u8 bitmask, u8 bitvalues)
+{
+	struct ab3550 *ab;
+	struct platform_device *pdev = to_platform_device(dev);
+
+	if ((AB3550_NUM_BANKS <= bank) ||
+		!reg_write_allowed(&ab3550_reg_ranges[pdev->id][bank], reg))
+		return -EINVAL;
+
+	ab = dev_get_drvdata(dev->parent);
+	return mask_and_set_register_interruptible(ab, bank, reg,
+		bitmask, bitvalues);
+}
+
+int ab3550_set_register_interruptible(struct device *dev, u8 bank, u8 reg,
+	u8 value)
+{
+	return ab3550_mask_and_set_register_interruptible(dev, bank, reg, 0xFF,
+		value);
+}
+
+int ab3550_get_register_interruptible(struct device *dev, u8 bank, u8 reg,
+	u8 *value)
+{
+	struct ab3550 *ab;
+	struct platform_device *pdev = to_platform_device(dev);
+
+	if ((AB3550_NUM_BANKS <= bank) ||
+		!reg_read_allowed(&ab3550_reg_ranges[pdev->id][bank], reg))
+		return -EINVAL;
+
+	ab = dev_get_drvdata(dev->parent);
+	return get_register_interruptible(ab, bank, reg, value);
+}
+
+int ab3550_get_register_page_interruptible(struct device *dev, u8 bank,
+	u8 first_reg, u8 *regvals, u8 numregs)
+{
+	struct ab3550 *ab;
+	struct platform_device *pdev = to_platform_device(dev);
+
+	if ((AB3550_NUM_BANKS <= bank) ||
+		!page_read_allowed(&ab3550_reg_ranges[pdev->id][bank],
+			first_reg, (first_reg + numregs - 1)))
+		return -EINVAL;
+
+	ab = dev_get_drvdata(dev->parent);
+	return get_register_page_interruptible(ab, bank, first_reg, regvals,
+		numregs);
+}
+
+int ab3550_event_registers_startup_state_get(struct device *dev, u8 *event)
+{
+	struct ab3550 *ab;
+
+	ab = dev_get_drvdata(dev->parent);
+	if (!ab->startup_events_read)
+		return -EAGAIN; /* Try again later */
+
+	memcpy(event, ab->startup_events, AB3550_NUM_EVENT_REG);
+	return 0;
+}
+
+int ab3550_startup_irq_enabled(struct device *dev, unsigned int irq)
+{
+	struct ab3550 *ab;
+	struct ab3550_platform_data *plf_data;
+	bool val;
+
+	ab = get_irq_chip_data(irq);
+	plf_data = ab->i2c_client[0]->dev.platform_data;
+	irq -= plf_data->irq.base;
+	val = ((ab->startup_events[irq / 8] & BIT(irq % 8)) != 0);
+
+	return val;
+}
+
+static struct abx500_ops ab3550_ops = {
+	.get_chip_id = ab3550_get_chip_id,
+	.get_register = ab3550_get_register_interruptible,
+	.set_register = ab3550_set_register_interruptible,
+	.get_register_page = ab3550_get_register_page_interruptible,
+	.set_register_page = NULL,
+	.mask_and_set_register = ab3550_mask_and_set_register_interruptible,
+	.event_registers_startup_state_get =
+		ab3550_event_registers_startup_state_get,
+	.startup_irq_enabled = ab3550_startup_irq_enabled,
+};
+
+static irqreturn_t ab3550_irq_handler(int irq, void *data)
+{
+	struct ab3550 *ab = data;
+	int err;
+	unsigned int i;
+	u8 e[AB3550_NUM_EVENT_REG];
+	u8 *events;
+	unsigned long flags;
+
+	events = (ab->startup_events_read ? e : ab->startup_events);
+
+	err = get_register_page_interruptible(ab, AB3550_EVENT_BANK,
+		AB3550_EVENT_REG, events, AB3550_NUM_EVENT_REG);
+	if (err)
+		goto err_event_rd;
+
+	if (!ab->startup_events_read) {
+		dev_info(&ab->i2c_client[0]->dev,
+			"startup events 0x%x,0x%x,0x%x,0x%x,0x%x\n",
+			ab->startup_events[0], ab->startup_events[1],
+			ab->startup_events[2], ab->startup_events[3],
+			ab->startup_events[4]);
+		ab->startup_events_read = true;
+		goto out;
+	}
+
+	/* The two highest bits in event[4] are not used. */
+	events[4] &= 0x3f;
+
+	spin_lock_irqsave(&ab->event_lock, flags);
+	for (i = 0; i < AB3550_NUM_EVENT_REG; i++)
+		events[i] &= ~ab->event_mask[i];
+	spin_unlock_irqrestore(&ab->event_lock, flags);
+
+	for (i = 0; i < AB3550_NUM_EVENT_REG; i++) {
+		u8 bit;
+		u8 event_reg;
+
+		dev_dbg(&ab->i2c_client[0]->dev, "IRQ Event[%d]: 0x%2x\n",
+			i, events[i]);
+
+		event_reg = events[i];
+		for (bit = 0; event_reg; bit++, event_reg /= 2) {
+			if (event_reg % 2) {
+				unsigned int irq;
+				struct ab3550_platform_data *plf_data;
+
+				plf_data = ab->i2c_client[0]->dev.platform_data;
+				irq = plf_data->irq.base + (i * 8) + bit;
+				handle_nested_irq(irq);
+			}
+		}
+	}
+out:
+	return IRQ_HANDLED;
+
+err_event_rd:
+	dev_dbg(&ab->i2c_client[0]->dev, "error reading event registers\n");
+	return IRQ_HANDLED;
+}
+
+#ifdef CONFIG_DEBUG_FS
+static struct ab3550_reg_ranges debug_ranges[AB3550_NUM_BANKS] = {
+	{
+		.count = 6,
+		.range = (struct ab3550_reg_range[]) {
+			{
+				.first = 0x00,
+				.last = 0x0e,
+			},
+			{
+				.first = 0x10,
+				.last = 0x1a,
+			},
+			{
+				.first = 0x1e,
+				.last = 0x4f,
+			},
+			{
+				.first = 0x51,
+				.last = 0x63,
+			},
+			{
+				.first = 0x65,
+				.last = 0xa3,
+			},
+			{
+				.first = 0xa5,
+				.last = 0xa8,
+			},
+		}
+	},
+	{
+		.count = 8,
+		.range = (struct ab3550_reg_range[]) {
+			{
+				.first = 0x00,
+				.last = 0x0e,
+			},
+			{
+				.first = 0x10,
+				.last = 0x17,
+			},
+			{
+				.first = 0x1a,
+				.last = 0x1c,
+			},
+			{
+				.first = 0x20,
+				.last = 0x56,
+			},
+			{
+				.first = 0x5a,
+				.last = 0x88,
+			},
+			{
+				.first = 0x8a,
+				.last = 0xad,
+			},
+			{
+				.first = 0xb0,
+				.last = 0xba,
+			},
+			{
+				.first = 0xbc,
+				.last = 0xc3,
+			},
+		}
+	},
+};
+
+static int ab3550_registers_print(struct seq_file *s, void *p)
+{
+	struct ab3550 *ab = s->private;
+	int bank;
+
+	seq_printf(s, AB3550_NAME_STRING " register values:\n");
+
+	for (bank = 0; bank < AB3550_NUM_BANKS; bank++) {
+		unsigned int i;
+
+		seq_printf(s, " bank %d:\n", bank);
+		for (i = 0; i < debug_ranges[bank].count; i++) {
+			u8 reg;
+
+			for (reg = debug_ranges[bank].range[i].first;
+				reg <= debug_ranges[bank].range[i].last;
+				reg++) {
+				u8 value;
+
+				get_register_interruptible(ab, bank, reg,
+					&value);
+				seq_printf(s, "  [%d/0x%02X]: 0x%02X\n", bank,
+					reg, value);
+			}
+		}
+	}
+	return 0;
+}
+
+static int ab3550_registers_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ab3550_registers_print, inode->i_private);
+}
+
+static const struct file_operations ab3550_registers_fops = {
+	.open = ab3550_registers_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static int ab3550_bank_print(struct seq_file *s, void *p)
+{
+	struct ab3550 *ab = s->private;
+
+	seq_printf(s, "%d\n", ab->debug_bank);
+	return 0;
+}
+
+static int ab3550_bank_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ab3550_bank_print, inode->i_private);
+}
+
+static ssize_t ab3550_bank_write(struct file *file,
+	const char __user *user_buf,
+	size_t count, loff_t *ppos)
+{
+	struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private;
+	char buf[32];
+	int buf_size;
+	unsigned long user_bank;
+	int err;
+
+	/* Get userspace string and assure termination */
+	buf_size = min(count, (sizeof(buf) - 1));
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	buf[buf_size] = 0;
+
+	err = strict_strtoul(buf, 0, &user_bank);
+	if (err)
+		return -EINVAL;
+
+	if (user_bank >= AB3550_NUM_BANKS) {
+		dev_err(&ab->i2c_client[0]->dev,
+			"debugfs error input > number of banks\n");
+		return -EINVAL;
+	}
+
+	ab->debug_bank = user_bank;
+
+	return buf_size;
+}
+
+static int ab3550_address_print(struct seq_file *s, void *p)
+{
+	struct ab3550 *ab = s->private;
+
+	seq_printf(s, "0x%02X\n", ab->debug_address);
+	return 0;
+}
+
+static int ab3550_address_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ab3550_address_print, inode->i_private);
+}
+
+static ssize_t ab3550_address_write(struct file *file,
+	const char __user *user_buf,
+	size_t count, loff_t *ppos)
+{
+	struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private;
+	char buf[32];
+	int buf_size;
+	unsigned long user_address;
+	int err;
+
+	/* Get userspace string and assure termination */
+	buf_size = min(count, (sizeof(buf) - 1));
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	buf[buf_size] = 0;
+
+	err = strict_strtoul(buf, 0, &user_address);
+	if (err)
+		return -EINVAL;
+	if (user_address > 0xff) {
+		dev_err(&ab->i2c_client[0]->dev,
+			"debugfs error input > 0xff\n");
+		return -EINVAL;
+	}
+	ab->debug_address = user_address;
+	return buf_size;
+}
+
+static int ab3550_val_print(struct seq_file *s, void *p)
+{
+	struct ab3550 *ab = s->private;
+	int err;
+	u8 regvalue;
+
+	err = get_register_interruptible(ab, (u8)ab->debug_bank,
+		(u8)ab->debug_address, &regvalue);
+	if (err)
+		return -EINVAL;
+	seq_printf(s, "0x%02X\n", regvalue);
+
+	return 0;
+}
+
+static int ab3550_val_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ab3550_val_print, inode->i_private);
+}
+
+static ssize_t ab3550_val_write(struct file *file,
+	const char __user *user_buf,
+	size_t count, loff_t *ppos)
+{
+	struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private;
+	char buf[32];
+	int buf_size;
+	unsigned long user_val;
+	int err;
+	u8 regvalue;
+
+	/* Get userspace string and assure termination */
+	buf_size = min(count, (sizeof(buf)-1));
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	buf[buf_size] = 0;
+
+	err = strict_strtoul(buf, 0, &user_val);
+	if (err)
+		return -EINVAL;
+	if (user_val > 0xff) {
+		dev_err(&ab->i2c_client[0]->dev,
+			"debugfs error input > 0xff\n");
+		return -EINVAL;
+	}
+	err = mask_and_set_register_interruptible(
+		ab, (u8)ab->debug_bank,
+		(u8)ab->debug_address, 0xFF, (u8)user_val);
+	if (err)
+		return -EINVAL;
+
+	get_register_interruptible(ab, (u8)ab->debug_bank,
+		(u8)ab->debug_address, &regvalue);
+	if (err)
+		return -EINVAL;
+
+	return buf_size;
+}
+
+static const struct file_operations ab3550_bank_fops = {
+	.open = ab3550_bank_open,
+	.write = ab3550_bank_write,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static const struct file_operations ab3550_address_fops = {
+	.open = ab3550_address_open,
+	.write = ab3550_address_write,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static const struct file_operations ab3550_val_fops = {
+	.open = ab3550_val_open,
+	.write = ab3550_val_write,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static struct dentry *ab3550_dir;
+static struct dentry *ab3550_reg_file;
+static struct dentry *ab3550_bank_file;
+static struct dentry *ab3550_address_file;
+static struct dentry *ab3550_val_file;
+
+static inline void ab3550_setup_debugfs(struct ab3550 *ab)
+{
+	ab->debug_bank = 0;
+	ab->debug_address = 0x00;
+
+	ab3550_dir = debugfs_create_dir(AB3550_NAME_STRING, NULL);
+	if (!ab3550_dir)
+		goto exit_no_debugfs;
+
+	ab3550_reg_file = debugfs_create_file("all-registers",
+		S_IRUGO, ab3550_dir, ab, &ab3550_registers_fops);
+	if (!ab3550_reg_file)
+		goto exit_destroy_dir;
+
+	ab3550_bank_file = debugfs_create_file("register-bank",
+		(S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_bank_fops);
+	if (!ab3550_bank_file)
+		goto exit_destroy_reg;
+
+	ab3550_address_file = debugfs_create_file("register-address",
+		(S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_address_fops);
+	if (!ab3550_address_file)
+		goto exit_destroy_bank;
+
+	ab3550_val_file = debugfs_create_file("register-value",
+		(S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_val_fops);
+	if (!ab3550_val_file)
+		goto exit_destroy_address;
+
+	return;
+
+exit_destroy_address:
+	debugfs_remove(ab3550_address_file);
+exit_destroy_bank:
+	debugfs_remove(ab3550_bank_file);
+exit_destroy_reg:
+	debugfs_remove(ab3550_reg_file);
+exit_destroy_dir:
+	debugfs_remove(ab3550_dir);
+exit_no_debugfs:
+	dev_err(&ab->i2c_client[0]->dev, "failed to create debugfs entries.\n");
+	return;
+}
+
+static inline void ab3550_remove_debugfs(void)
+{
+	debugfs_remove(ab3550_val_file);
+	debugfs_remove(ab3550_address_file);
+	debugfs_remove(ab3550_bank_file);
+	debugfs_remove(ab3550_reg_file);
+	debugfs_remove(ab3550_dir);
+}
+
+#else /* !CONFIG_DEBUG_FS */
+static inline void ab3550_setup_debugfs(struct ab3550 *ab)
+{
+}
+static inline void ab3550_remove_debugfs(void)
+{
+}
+#endif
+
+/*
+ * Basic set-up, datastructure creation/destruction and I2C interface.
+ * This sets up a default config in the AB3550 chip so that it
+ * will work as expected.
+ */
+static int __init ab3550_setup(struct ab3550 *ab)
+{
+	int err = 0;
+	int i;
+	struct ab3550_platform_data *plf_data;
+	struct abx500_init_settings *settings;
+
+	plf_data = ab->i2c_client[0]->dev.platform_data;
+	settings = plf_data->init_settings;
+
+	for (i = 0; i < plf_data->init_settings_sz; i++) {
+		err = mask_and_set_register_interruptible(ab,
+			settings[i].bank,
+			settings[i].reg,
+			0xFF, settings[i].setting);
+		if (err)
+			goto exit_no_setup;
+
+		/* If event mask register update the event mask in ab3550 */
+		if ((settings[i].bank == 0) &&
+			(AB3550_IMR1 <= settings[i].reg) &&
+			(settings[i].reg <= AB3550_IMR5)) {
+			ab->event_mask[settings[i].reg - AB3550_IMR1] =
+				settings[i].setting;
+		}
+	}
+exit_no_setup:
+	return err;
+}
+
+static void ab3550_mask_work(struct work_struct *work)
+{
+	struct ab3550 *ab = container_of(work, struct ab3550, mask_work);
+	int i;
+	unsigned long flags;
+	u8 mask[AB3550_NUM_EVENT_REG];
+
+	spin_lock_irqsave(&ab->event_lock, flags);
+	for (i = 0; i < AB3550_NUM_EVENT_REG; i++)
+		mask[i] = ab->event_mask[i];
+	spin_unlock_irqrestore(&ab->event_lock, flags);
+
+	for (i = 0; i < AB3550_NUM_EVENT_REG; i++) {
+		int err;
+
+		err = mask_and_set_register_interruptible(ab, 0,
+			(AB3550_IMR1 + i), ~0, mask[i]);
+		if (err)
+			dev_err(&ab->i2c_client[0]->dev,
+				"ab3550_mask_work failed 0x%x,0x%x\n",
+				(AB3550_IMR1 + i), mask[i]);
+	}
+}
+
+static void ab3550_mask(unsigned int irq)
+{
+	unsigned long flags;
+	struct ab3550 *ab;
+	struct ab3550_platform_data *plf_data;
+
+	ab = get_irq_chip_data(irq);
+	plf_data = ab->i2c_client[0]->dev.platform_data;
+	irq -= plf_data->irq.base;
+
+	spin_lock_irqsave(&ab->event_lock, flags);
+	ab->event_mask[irq / 8] |= BIT(irq % 8);
+	spin_unlock_irqrestore(&ab->event_lock, flags);
+
+	schedule_work(&ab->mask_work);
+}
+
+static void ab3550_unmask(unsigned int irq)
+{
+	unsigned long flags;
+	struct ab3550 *ab;
+	struct ab3550_platform_data *plf_data;
+
+	ab = get_irq_chip_data(irq);
+	plf_data = ab->i2c_client[0]->dev.platform_data;
+	irq -= plf_data->irq.base;
+
+	spin_lock_irqsave(&ab->event_lock, flags);
+	ab->event_mask[irq / 8] &= ~BIT(irq % 8);
+	spin_unlock_irqrestore(&ab->event_lock, flags);
+
+	schedule_work(&ab->mask_work);
+}
+
+static void noop(unsigned int irq)
+{
+}
+
+static struct irq_chip ab3550_irq_chip = {
+	.name		= "ab3550-core", /* Keep the same name as the request */
+	.startup	= NULL, /* defaults to enable */
+	.shutdown	= NULL, /* defaults to disable */
+	.enable		= NULL, /* defaults to unmask */
+	.disable	= ab3550_mask, /* No default to mask in chip.c */
+	.ack		= noop,
+	.mask		= ab3550_mask,
+	.unmask		= ab3550_unmask,
+	.end		= NULL,
+};
+
+struct ab_family_id {
+	u8	id;
+	char	*name;
+};
+
+static const struct ab_family_id ids[] __initdata = {
+	/* AB3550 */
+	{
+		.id = AB3550_P1A,
+		.name = "P1A"
+	},
+	/* Terminator */
+	{
+		.id = 0x00,
+	}
+};
+
+static int __init ab3550_probe(struct i2c_client *client,
+	const struct i2c_device_id *id)
+{
+	struct ab3550 *ab;
+	struct ab3550_platform_data *ab3550_plf_data =
+		client->dev.platform_data;
+	int err;
+	int i;
+	int num_i2c_clients = 0;
+
+	ab = kzalloc(sizeof(struct ab3550), GFP_KERNEL);
+	if (!ab) {
+		dev_err(&client->dev,
+			"could not allocate " AB3550_NAME_STRING " device\n");
+		return -ENOMEM;
+	}
+
+	/* Initialize data structure */
+	mutex_init(&ab->access_mutex);
+	spin_lock_init(&ab->event_lock);
+	ab->i2c_client[0] = client;
+
+	i2c_set_clientdata(client, ab);
+
+	/* Read chip ID register */
+	err = get_register_interruptible(ab, 0, AB3550_CID_REG, &ab->chip_id);
+	if (err) {
+		dev_err(&client->dev, "could not communicate with the analog "
+			"baseband chip\n");
+		goto exit_no_detect;
+	}
+
+	for (i = 0; ids[i].id != 0x0; i++) {
+		if (ids[i].id == ab->chip_id) {
+			snprintf(&ab->chip_name[0], sizeof(ab->chip_name) - 1,
+				AB3550_ID_FORMAT_STRING, ids[i].name);
+			break;
+		}
+	}
+
+	if (ids[i].id == 0x0) {
+		dev_err(&client->dev, "unknown analog baseband chip id: 0x%x\n",
+			ab->chip_id);
+		dev_err(&client->dev, "driver not started!\n");
+		goto exit_no_detect;
+	}
+
+	dev_info(&client->dev, "detected AB chip: %s\n", &ab->chip_name[0]);
+
+	/* Attach other dummy I2C clients. */
+	while (++num_i2c_clients < AB3550_NUM_BANKS) {
+		ab->i2c_client[num_i2c_clients] =
+			i2c_new_dummy(client->adapter,
+				(client->addr + num_i2c_clients));
+		if (!ab->i2c_client[num_i2c_clients]) {
+			err = -ENOMEM;
+			goto exit_no_dummy_client;
+		}
+		strlcpy(ab->i2c_client[num_i2c_clients]->name, id->name,
+			sizeof(ab->i2c_client[num_i2c_clients]->name));
+	}
+
+	err = ab3550_setup(ab);
+	if (err)
+		goto exit_no_setup;
+
+	INIT_WORK(&ab->mask_work, ab3550_mask_work);
+
+	for (i = 0; i < ab3550_plf_data->irq.count; i++) {
+		unsigned int irq;
+
+		irq = ab3550_plf_data->irq.base + i;
+		set_irq_chip_data(irq, ab);
+		set_irq_chip_and_handler(irq, &ab3550_irq_chip,
+			handle_simple_irq);
+		set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, IRQF_VALID);
+#else
+		set_irq_noprobe(irq);
+#endif
+	}
+
+	err = request_threaded_irq(client->irq, NULL, ab3550_irq_handler,
+		IRQF_ONESHOT, "ab3550-core", ab);
+	/* This real unpredictable IRQ is of course sampled for entropy */
+	rand_initialize_irq(client->irq);
+
+	if (err)
+		goto exit_no_irq;
+
+	err = abx500_register_ops(&client->dev, &ab3550_ops);
+	if (err)
+		goto exit_no_ops;
+
+	/* Set up and register the platform devices. */
+	for (i = 0; i < AB3550_NUM_DEVICES; i++) {
+		ab3550_devs[i].platform_data = ab3550_plf_data->dev_data[i];
+		ab3550_devs[i].data_size = ab3550_plf_data->dev_data_sz[i];
+	}
+
+	err = mfd_add_devices(&client->dev, 0, ab3550_devs,
+		ARRAY_SIZE(ab3550_devs), NULL,
+		ab3550_plf_data->irq.base);
+
+	ab3550_setup_debugfs(ab);
+
+	return 0;
+
+exit_no_ops:
+exit_no_irq:
+exit_no_setup:
+exit_no_dummy_client:
+	/* Unregister the dummy i2c clients. */
+	while (--num_i2c_clients)
+		i2c_unregister_device(ab->i2c_client[num_i2c_clients]);
+exit_no_detect:
+	kfree(ab);
+	return err;
+}
+
+static int __exit ab3550_remove(struct i2c_client *client)
+{
+	struct ab3550 *ab = i2c_get_clientdata(client);
+	int num_i2c_clients = AB3550_NUM_BANKS;
+
+	mfd_remove_devices(&client->dev);
+	ab3550_remove_debugfs();
+
+	while (--num_i2c_clients)
+		i2c_unregister_device(ab->i2c_client[num_i2c_clients]);
+
+	/*
+	 * At this point, all subscribers should have unregistered
+	 * their notifiers so deactivate IRQ
+	 */
+	free_irq(client->irq, ab);
+	i2c_set_clientdata(client, NULL);
+	kfree(ab);
+	return 0;
+}
+
+static const struct i2c_device_id ab3550_id[] = {
+	{AB3550_NAME_STRING, 0},
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, ab3550_id);
+
+static struct i2c_driver ab3550_driver = {
+	.driver = {
+		.name	= AB3550_NAME_STRING,
+		.owner	= THIS_MODULE,
+	},
+	.id_table	= ab3550_id,
+	.probe		= ab3550_probe,
+	.remove		= __exit_p(ab3550_remove),
+};
+
+static int __init ab3550_i2c_init(void)
+{
+	return i2c_add_driver(&ab3550_driver);
+}
+
+static void __exit ab3550_i2c_exit(void)
+{
+	i2c_del_driver(&ab3550_driver);
+}
+
+subsys_initcall(ab3550_i2c_init);
+module_exit(ab3550_i2c_exit);
+
+MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>");
+MODULE_DESCRIPTION("AB3550 core driver");
+MODULE_LICENSE("GPL");

From d162251d1b8860ef489aecb712e5f06c33763ef3 Mon Sep 17 00:00:00 2001
From: Mattias Wallin <mattias.wallin@stericsson.com>
Date: Sat, 1 May 2010 18:26:40 +0200
Subject: [PATCH 3542/3638] ARM: AB3550 board configuration and irq for U300

This patch adds the i2c board configuration needed for the
Mixed Signal chip AB3550. It also adds the irq numbers needed
for the irq_chip implementation.

Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 arch/arm/mach-u300/i2c.c               | 55 ++++++++++++++++++++++++++
 arch/arm/mach-u300/include/mach/irqs.h |  7 ++++
 2 files changed, 62 insertions(+)

diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c
index d893ee035c2..f0394baa11f 100644
--- a/arch/arm/mach-u300/i2c.c
+++ b/arch/arm/mach-u300/i2c.c
@@ -46,6 +46,7 @@
 /* BUCK SLEEP 0xAC: 1.05V, Not used, SLEEP_A and B, Not used */
 #define BUCK_SLEEP_SETTING	0xAC
 
+#ifdef CONFIG_AB3100_CORE
 static struct regulator_consumer_supply supply_ldo_c[] = {
 	{
 		.dev_name = "ab3100-codec",
@@ -253,14 +254,68 @@ static struct ab3100_platform_data ab3100_plf_data = {
 		LDO_D_SETTING,
 	},
 };
+#endif
+
+#ifdef CONFIG_AB3550_CORE
+static struct abx500_init_settings ab3550_init_settings[] = {
+	{
+		.bank = 0,
+		.reg = AB3550_IMR1,
+		.setting = 0xff
+	},
+	{
+		.bank = 0,
+		.reg = AB3550_IMR2,
+		.setting = 0xff
+	},
+	{
+		.bank = 0,
+		.reg = AB3550_IMR3,
+		.setting = 0xff
+	},
+	{
+		.bank = 0,
+		.reg = AB3550_IMR4,
+		.setting = 0xff
+	},
+	{
+		.bank = 0,
+		.reg = AB3550_IMR5,
+		/* The two most significant bits are not used */
+		.setting = 0x3f
+	},
+};
+
+static struct ab3550_platform_data ab3550_plf_data = {
+	.irq = {
+		.base = IRQ_AB3550_BASE,
+		.count = (IRQ_AB3550_END - IRQ_AB3550_BASE + 1),
+	},
+	.dev_data = {
+	},
+	.init_settings = ab3550_init_settings,
+	.init_settings_sz = ARRAY_SIZE(ab3550_init_settings),
+};
+#endif
 
 static struct i2c_board_info __initdata bus0_i2c_board_info[] = {
+#if defined(CONFIG_AB3550_CORE)
+	{
+		.type = "ab3550",
+		.addr = 0x4A,
+		.irq = IRQ_U300_IRQ0_EXT,
+		.platform_data = &ab3550_plf_data,
+	},
+#elif defined(CONFIG_AB3100_CORE)
 	{
 		.type = "ab3100",
 		.addr = 0x48,
 		.irq = IRQ_U300_IRQ0_EXT,
 		.platform_data = &ab3100_plf_data,
 	},
+#else
+	{ },
+#endif
 };
 
 static struct i2c_board_info __initdata bus1_i2c_board_info[] = {
diff --git a/arch/arm/mach-u300/include/mach/irqs.h b/arch/arm/mach-u300/include/mach/irqs.h
index a6867b12773..09b1b28fa8f 100644
--- a/arch/arm/mach-u300/include/mach/irqs.h
+++ b/arch/arm/mach-u300/include/mach/irqs.h
@@ -109,6 +109,13 @@
 #define U300_NR_IRQS			48
 #endif
 
+#ifdef CONFIG_AB3550_CORE
+#define IRQ_AB3550_BASE			(U300_NR_IRQS)
+#define IRQ_AB3550_END			(IRQ_AB3550_BASE + 37)
+
+#define NR_IRQS				(IRQ_AB3550_END + 1)
+#else
 #define NR_IRQS U300_NR_IRQS
+#endif
 
 #endif

From 38270644cc2f2c1fdf150dcc8c4b96136eb4e1f7 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Tue, 11 May 2010 01:07:34 +0200
Subject: [PATCH 3543/3638] mfd: Use menuconfig for quicker config editing

Change MFD 'menu' to 'menuconfig' to facilitate easy (one-click)
disabling of all MFD drivers.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Kconfig | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index a20fa230d35..b84b7078e90 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -2,8 +2,14 @@
 # Multifunction miscellaneous devices
 #
 
-menu "Multifunction device drivers"
+menuconfig MFD_SUPPORT
+	bool "Multifunction device drivers"
 	depends on HAS_IOMEM
+	default y
+	help
+	  Configure MFD device drivers.
+
+if MFD_SUPPORT
 
 config MFD_CORE
 	tristate
@@ -475,7 +481,7 @@ config MFD_JANZ_CMODIO
 	  host many different types of MODULbus daughterboards, including
 	  CAN and GPIO controllers.
 
-endmenu
+endif # MFD_SUPPORT
 
 menu "Multimedia Capabilities Port drivers"
 	depends on ARCH_SA1100

From e4be3cb72ce40482a9fe19210ad5de8bfc061bb5 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Tue, 11 May 2010 13:24:20 -0700
Subject: [PATCH 3544/3638] gpio: rdc321x needs to select MFD_CORE

Fix rdc321x-southbridge build:  GPIO_RDC321X needs to select
MFD_CORE so that the core is built at the same (or higher)
tristate level.

rdc321x-southbridge.c:(.devinit.text+0x6103): undefined reference to `mfd_add_devices'
rdc321x-southbridge.c:(.devexit.text+0xe5f): undefined reference to `mfd_remove_devices'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc:	Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/gpio/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 1567605ab69..724038dab4c 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -292,6 +292,7 @@ config GPIO_TIMBERDALE
 config GPIO_RDC321X
 	tristate "RDC R-321x GPIO support"
 	depends on PCI && GPIOLIB
+	select MFD_CORE
 	select MFD_RDC321X
 	help
 	  Support for the RDC R321x SoC GPIOs over southbridge

From 0aeee5d4f6aa9bd28373907727937b7935d0434c Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 12 May 2010 02:10:53 +0200
Subject: [PATCH 3545/3638] mfd: Fix pcf50633 bitfield logic in interrupt
 handler

Those constants are alreay bitfields.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/pcf50633-core.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 5439282804c..37618b2be9a 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -354,18 +354,18 @@ static void pcf50633_irq_worker(struct work_struct *work)
 	if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) {
 		chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
 		if (chgstat & (0x3 << 4))
-			pcf_int[0] &= ~(1 << PCF50633_INT1_USBREM);
+			pcf_int[0] &= ~PCF50633_INT1_USBREM;
 		else
-			pcf_int[0] &= ~(1 << PCF50633_INT1_USBINS);
+			pcf_int[0] &= ~PCF50633_INT1_USBINS;
 	}
 
 	/* Make sure only one of ADPINS or ADPREM is set */
 	if (pcf_int[0] & (PCF50633_INT1_ADPINS | PCF50633_INT1_ADPREM)) {
 		chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
 		if (chgstat & (0x3 << 4))
-			pcf_int[0] &= ~(1 << PCF50633_INT1_ADPREM);
+			pcf_int[0] &= ~PCF50633_INT1_ADPREM;
 		else
-			pcf_int[0] &= ~(1 << PCF50633_INT1_ADPINS);
+			pcf_int[0] &= ~PCF50633_INT1_ADPINS;
 	}
 
 	dev_dbg(pcf->dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x "

From 6438a694b670cd188c2fd2f75e0cd6b0ae21bea9 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 12 May 2010 02:10:54 +0200
Subject: [PATCH 3546/3638] mfd: pcf50633-adc: Fix potential race in
 pcf50633_adc_sync_read

Currently it's not guaranteed that request struct is not already freed when
reading from it. Fix this by moving synced request related fields from the
pcf50633_adc_request struct to its own struct and store it on the functions
stack.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/pcf50633-adc.c | 39 +++++++++++++++-----------------------
 1 file changed, 15 insertions(+), 24 deletions(-)

diff --git a/drivers/mfd/pcf50633-adc.c b/drivers/mfd/pcf50633-adc.c
index fe8f922f665..aed0d2a9b03 100644
--- a/drivers/mfd/pcf50633-adc.c
+++ b/drivers/mfd/pcf50633-adc.c
@@ -30,13 +30,13 @@
 struct pcf50633_adc_request {
 	int mux;
 	int avg;
-	int result;
 	void (*callback)(struct pcf50633 *, void *, int);
 	void *callback_param;
+};
 
-	/* Used in case of sync requests */
+struct pcf50633_adc_sync_request {
+	int result;
 	struct completion completion;
-
 };
 
 #define PCF50633_MAX_ADC_FIFO_DEPTH 8
@@ -109,10 +109,10 @@ adc_enqueue_request(struct pcf50633 *pcf, struct pcf50633_adc_request *req)
 	return 0;
 }
 
-static void
-pcf50633_adc_sync_read_callback(struct pcf50633 *pcf, void *param, int result)
+static void pcf50633_adc_sync_read_callback(struct pcf50633 *pcf, void *param,
+	int result)
 {
-	struct pcf50633_adc_request *req = param;
+	struct pcf50633_adc_sync_request *req = param;
 
 	req->result = result;
 	complete(&req->completion);
@@ -120,28 +120,19 @@ pcf50633_adc_sync_read_callback(struct pcf50633 *pcf, void *param, int result)
 
 int pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg)
 {
-	struct pcf50633_adc_request *req;
-	int err;
+	struct pcf50633_adc_sync_request req;
+	int ret;
 
-	/* req is freed when the result is ready, in interrupt handler */
-	req = kzalloc(sizeof(*req), GFP_KERNEL);
-	if (!req)
-		return -ENOMEM;
+	init_completion(&req.completion);
 
-	req->mux = mux;
-	req->avg = avg;
-	req->callback =  pcf50633_adc_sync_read_callback;
-	req->callback_param = req;
+	ret = pcf50633_adc_async_read(pcf, mux, avg,
+		pcf50633_adc_sync_read_callback, &req);
+	if (ret)
+		return ret;
 
-	init_completion(&req->completion);
-	err = adc_enqueue_request(pcf, req);
-	if (err)
-		return err;
+	wait_for_completion(&req.completion);
 
-	wait_for_completion(&req->completion);
-
-	/* FIXME by this time req might be already freed */
-	return req->result;
+	return req.result;
 }
 EXPORT_SYMBOL_GPL(pcf50633_adc_sync_read);
 

From f7b2a77fe6f7b13b9cbf1909f032adef0be63ce1 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 12 May 2010 02:10:55 +0200
Subject: [PATCH 3547/3638] mfd: Use threaded irq for pcf50633

Use threaded oneshot irq handler instead of normal irq handler and a workqueue.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Makefile        |  2 +-
 drivers/mfd/pcf50633-core.c | 57 ++++++-------------------------------
 2 files changed, 10 insertions(+), 49 deletions(-)

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 4c684c137d4..85934966a59 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -57,7 +57,7 @@ obj-$(CONFIG_PMIC_DA903X)	+= da903x.o
 max8925-objs			:= max8925-core.o max8925-i2c.o
 obj-$(CONFIG_MFD_MAX8925)	+= max8925.o
 
-obj-$(CONFIG_MFD_PCF50633)	+= pcf50633-core.o
+obj-$(CONFIG_MFD_PCF50633)	+= pcf50633-core.o pcf50633-irq.o
 obj-$(CONFIG_PCF50633_ADC)	+= pcf50633-adc.o
 obj-$(CONFIG_PCF50633_GPIO)	+= pcf50633-gpio.o
 obj-$(CONFIG_ABX500_CORE)	+= abx500-core.o
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 37618b2be9a..b3bef499874 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -325,14 +325,12 @@ static void pcf50633_irq_call_handler(struct pcf50633 *pcf, int irq)
 /* Maximum amount of time ONKEY is held before emergency action is taken */
 #define PCF50633_ONKEY1S_TIMEOUT 8
 
-static void pcf50633_irq_worker(struct work_struct *work)
+static irqreturn_t pcf50633_irq(int irq, void *data)
 {
-	struct pcf50633 *pcf;
+	struct pcf50633 *pcf = data;
 	int ret, i, j;
 	u8 pcf_int[5], chgstat;
 
-	pcf = container_of(work, struct pcf50633, irq_work);
-
 	/* Read the 5 INT regs in one transaction */
 	ret = pcf50633_read_block(pcf, PCF50633_REG_INT1,
 						ARRAY_SIZE(pcf_int), pcf_int);
@@ -436,21 +434,7 @@ static void pcf50633_irq_worker(struct work_struct *work)
 	}
 
 out:
-	put_device(pcf->dev);
-	enable_irq(pcf->irq);
-}
-
-static irqreturn_t pcf50633_irq(int irq, void *data)
-{
-	struct pcf50633 *pcf = data;
-
-	dev_dbg(pcf->dev, "pcf50633_irq\n");
-
-	get_device(pcf->dev);
-	disable_irq_nosync(pcf->irq);
-	queue_work(pcf->work_queue, &pcf->irq_work);
-
-	return IRQ_HANDLED;
+	return IRQ_HANDLED
 }
 
 static void
@@ -488,9 +472,6 @@ static int pcf50633_suspend(struct i2c_client *client, pm_message_t state)
 	 * henceforth */
 	disable_irq(pcf->irq);
 
-	/* Make sure that any running IRQ worker has quit */
-	cancel_work_sync(&pcf->irq_work);
-
 	/* Save the masks */
 	ret = pcf50633_read_block(pcf, PCF50633_REG_INT1M,
 				ARRAY_SIZE(pcf->suspend_irq_masks),
@@ -531,16 +512,7 @@ static int pcf50633_resume(struct i2c_client *client)
 	if (ret < 0)
 		dev_err(pcf->dev, "Error restoring saved suspend masks\n");
 
-	/* Restore regulators' state */
-
-
-	get_device(pcf->dev);
-
-	/*
-	 * Clear any pending interrupts and set resume reason if any.
-	 * This will leave with enable_irq()
-	 */
-	pcf50633_irq_worker(&pcf->irq_work);
+	enable_irq(pcf->irq);
 
 	return 0;
 }
@@ -574,22 +546,13 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
 	pcf->dev = &client->dev;
 	pcf->i2c_client = client;
 	pcf->irq = client->irq;
-	pcf->work_queue = create_singlethread_workqueue("pcf50633");
-
-	if (!pcf->work_queue) {
-		dev_err(&client->dev, "Failed to alloc workqueue\n");
-		ret = -ENOMEM;
-		goto err_free;
-	}
-
-	INIT_WORK(&pcf->irq_work, pcf50633_irq_worker);
 
 	version = pcf50633_reg_read(pcf, 0);
 	variant = pcf50633_reg_read(pcf, 1);
 	if (version < 0 || variant < 0) {
 		dev_err(pcf->dev, "Unable to probe pcf50633\n");
 		ret = -ENODEV;
-		goto err_destroy_workqueue;
+		goto err_free;
 	}
 
 	dev_info(pcf->dev, "Probed device version %d variant %d\n",
@@ -603,12 +566,13 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
 	pcf50633_reg_write(pcf, PCF50633_REG_INT4M, 0x00);
 	pcf50633_reg_write(pcf, PCF50633_REG_INT5M, 0x00);
 
-	ret = request_irq(client->irq, pcf50633_irq,
-					IRQF_TRIGGER_LOW, "pcf50633", pcf);
+	ret = request_threaded_irq(client->irq, NULL, pcf50633_irq,
+					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+					"pcf50633", pcf);
 
 	if (ret) {
 		dev_err(pcf->dev, "Failed to request IRQ %d\n", ret);
-		goto err_destroy_workqueue;
+		goto err_free;
 	}
 
 	/* Create sub devices */
@@ -654,8 +618,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
 
 	return 0;
 
-err_destroy_workqueue:
-	destroy_workqueue(pcf->work_queue);
 err_free:
 	i2c_set_clientdata(client, NULL);
 	kfree(pcf);
@@ -669,7 +631,6 @@ static int __devexit pcf50633_remove(struct i2c_client *client)
 	int i;
 
 	free_irq(pcf->irq, pcf);
-	destroy_workqueue(pcf->work_queue);
 
 	platform_device_unregister(pcf->input_pdev);
 	platform_device_unregister(pcf->rtc_pdev);

From 380c09f6489f1fd773a697e9e2a156c083a34fc5 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 12 May 2010 02:10:56 +0200
Subject: [PATCH 3548/3638] mfd: Move pcf50633 irq related functions to its own
 file.

This reduces code clutter a bit and will ease an migration to genirq.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/Makefile        |   3 +-
 drivers/mfd/pcf50633-core.c | 303 ++--------------------------------
 drivers/mfd/pcf50633-irq.c  | 318 ++++++++++++++++++++++++++++++++++++
 3 files changed, 330 insertions(+), 294 deletions(-)
 create mode 100644 drivers/mfd/pcf50633-irq.c

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 85934966a59..ca1517e948a 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -57,7 +57,8 @@ obj-$(CONFIG_PMIC_DA903X)	+= da903x.o
 max8925-objs			:= max8925-core.o max8925-i2c.o
 obj-$(CONFIG_MFD_MAX8925)	+= max8925.o
 
-obj-$(CONFIG_MFD_PCF50633)	+= pcf50633-core.o pcf50633-irq.o
+pcf50633-objs			:= pcf50633-core.o pcf50633-irq.o
+obj-$(CONFIG_MFD_PCF50633)	+= pcf50633.o
 obj-$(CONFIG_PCF50633_ADC)	+= pcf50633-adc.o
 obj-$(CONFIG_PCF50633_GPIO)	+= pcf50633-gpio.o
 obj-$(CONFIG_ABX500_CORE)	+= abx500-core.o
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index b3bef499874..704736e6e9b 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -21,16 +21,16 @@
 #include <linux/workqueue.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
-#include <linux/irq.h>
 #include <linux/slab.h>
 
 #include <linux/mfd/pcf50633/core.h>
 
-/* Two MBCS registers used during cold start */
-#define PCF50633_REG_MBCS1		0x4b
-#define PCF50633_REG_MBCS2		0x4c
-#define PCF50633_MBCS1_USBPRES 		0x01
-#define PCF50633_MBCS1_ADAPTPRES	0x01
+int pcf50633_irq_init(struct pcf50633 *pcf, int irq);
+void pcf50633_irq_free(struct pcf50633 *pcf);
+#ifdef CONFIG_PM
+int pcf50633_irq_suspend(struct pcf50633 *pcf);
+int pcf50633_irq_resume(struct pcf50633 *pcf);
+#endif
 
 static int __pcf50633_read(struct pcf50633 *pcf, u8 reg, int num, u8 *data)
 {
@@ -215,228 +215,6 @@ static struct attribute_group pcf_attr_group = {
 	.attrs	= pcf_sysfs_entries,
 };
 
-int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
-			void (*handler) (int, void *), void *data)
-{
-	if (irq < 0 || irq >= PCF50633_NUM_IRQ || !handler)
-		return -EINVAL;
-
-	if (WARN_ON(pcf->irq_handler[irq].handler))
-		return -EBUSY;
-
-	mutex_lock(&pcf->lock);
-	pcf->irq_handler[irq].handler = handler;
-	pcf->irq_handler[irq].data = data;
-	mutex_unlock(&pcf->lock);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(pcf50633_register_irq);
-
-int pcf50633_free_irq(struct pcf50633 *pcf, int irq)
-{
-	if (irq < 0 || irq >= PCF50633_NUM_IRQ)
-		return -EINVAL;
-
-	mutex_lock(&pcf->lock);
-	pcf->irq_handler[irq].handler = NULL;
-	mutex_unlock(&pcf->lock);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(pcf50633_free_irq);
-
-static int __pcf50633_irq_mask_set(struct pcf50633 *pcf, int irq, u8 mask)
-{
-	u8 reg, bits, tmp;
-	int ret = 0, idx;
-
-	idx = irq >> 3;
-	reg =  PCF50633_REG_INT1M + idx;
-	bits = 1 << (irq & 0x07);
-
-	mutex_lock(&pcf->lock);
-
-	if (mask) {
-		ret = __pcf50633_read(pcf, reg, 1, &tmp);
-		if (ret < 0)
-			goto out;
-
-		tmp |= bits;
-
-		ret = __pcf50633_write(pcf, reg, 1, &tmp);
-		if (ret < 0)
-			goto out;
-
-		pcf->mask_regs[idx] &= ~bits;
-		pcf->mask_regs[idx] |= bits;
-	} else {
-		ret = __pcf50633_read(pcf, reg, 1, &tmp);
-		if (ret < 0)
-			goto out;
-
-		tmp &= ~bits;
-
-		ret = __pcf50633_write(pcf, reg, 1, &tmp);
-		if (ret < 0)
-			goto out;
-
-		pcf->mask_regs[idx] &= ~bits;
-	}
-out:
-	mutex_unlock(&pcf->lock);
-
-	return ret;
-}
-
-int pcf50633_irq_mask(struct pcf50633 *pcf, int irq)
-{
-	dev_dbg(pcf->dev, "Masking IRQ %d\n", irq);
-
-	return __pcf50633_irq_mask_set(pcf, irq, 1);
-}
-EXPORT_SYMBOL_GPL(pcf50633_irq_mask);
-
-int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq)
-{
-	dev_dbg(pcf->dev, "Unmasking IRQ %d\n", irq);
-
-	return __pcf50633_irq_mask_set(pcf, irq, 0);
-}
-EXPORT_SYMBOL_GPL(pcf50633_irq_unmask);
-
-int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq)
-{
-	u8 reg, bits;
-
-	reg =  irq >> 3;
-	bits = 1 << (irq & 0x07);
-
-	return pcf->mask_regs[reg] & bits;
-}
-EXPORT_SYMBOL_GPL(pcf50633_irq_mask_get);
-
-static void pcf50633_irq_call_handler(struct pcf50633 *pcf, int irq)
-{
-	if (pcf->irq_handler[irq].handler)
-		pcf->irq_handler[irq].handler(irq, pcf->irq_handler[irq].data);
-}
-
-/* Maximum amount of time ONKEY is held before emergency action is taken */
-#define PCF50633_ONKEY1S_TIMEOUT 8
-
-static irqreturn_t pcf50633_irq(int irq, void *data)
-{
-	struct pcf50633 *pcf = data;
-	int ret, i, j;
-	u8 pcf_int[5], chgstat;
-
-	/* Read the 5 INT regs in one transaction */
-	ret = pcf50633_read_block(pcf, PCF50633_REG_INT1,
-						ARRAY_SIZE(pcf_int), pcf_int);
-	if (ret != ARRAY_SIZE(pcf_int)) {
-		dev_err(pcf->dev, "Error reading INT registers\n");
-
-		/*
-		 * If this doesn't ACK the interrupt to the chip, we'll be
-		 * called once again as we're level triggered.
-		 */
-		goto out;
-	}
-
-	/* defeat 8s death from lowsys on A5 */
-	pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN,  0x04);
-
-	/* We immediately read the usb and adapter status. We thus make sure
-	 * only of USBINS/USBREM IRQ handlers are called */
-	if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) {
-		chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
-		if (chgstat & (0x3 << 4))
-			pcf_int[0] &= ~PCF50633_INT1_USBREM;
-		else
-			pcf_int[0] &= ~PCF50633_INT1_USBINS;
-	}
-
-	/* Make sure only one of ADPINS or ADPREM is set */
-	if (pcf_int[0] & (PCF50633_INT1_ADPINS | PCF50633_INT1_ADPREM)) {
-		chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
-		if (chgstat & (0x3 << 4))
-			pcf_int[0] &= ~PCF50633_INT1_ADPREM;
-		else
-			pcf_int[0] &= ~PCF50633_INT1_ADPINS;
-	}
-
-	dev_dbg(pcf->dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x "
-			"INT4=0x%02x INT5=0x%02x\n", pcf_int[0],
-			pcf_int[1], pcf_int[2], pcf_int[3], pcf_int[4]);
-
-	/* Some revisions of the chip don't have a 8s standby mode on
-	 * ONKEY1S press. We try to manually do it in such cases. */
-	if ((pcf_int[0] & PCF50633_INT1_SECOND) && pcf->onkey1s_held) {
-		dev_info(pcf->dev, "ONKEY1S held for %d secs\n",
-							pcf->onkey1s_held);
-		if (pcf->onkey1s_held++ == PCF50633_ONKEY1S_TIMEOUT)
-			if (pcf->pdata->force_shutdown)
-				pcf->pdata->force_shutdown(pcf);
-	}
-
-	if (pcf_int[2] & PCF50633_INT3_ONKEY1S) {
-		dev_info(pcf->dev, "ONKEY1S held\n");
-		pcf->onkey1s_held = 1 ;
-
-		/* Unmask IRQ_SECOND */
-		pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT1M,
-						PCF50633_INT1_SECOND);
-
-		/* Unmask IRQ_ONKEYR */
-		pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT2M,
-						PCF50633_INT2_ONKEYR);
-	}
-
-	if ((pcf_int[1] & PCF50633_INT2_ONKEYR) && pcf->onkey1s_held) {
-		pcf->onkey1s_held = 0;
-
-		/* Mask SECOND and ONKEYR interrupts */
-		if (pcf->mask_regs[0] & PCF50633_INT1_SECOND)
-			pcf50633_reg_set_bit_mask(pcf,
-					PCF50633_REG_INT1M,
-					PCF50633_INT1_SECOND,
-					PCF50633_INT1_SECOND);
-
-		if (pcf->mask_regs[1] & PCF50633_INT2_ONKEYR)
-			pcf50633_reg_set_bit_mask(pcf,
-					PCF50633_REG_INT2M,
-					PCF50633_INT2_ONKEYR,
-					PCF50633_INT2_ONKEYR);
-	}
-
-	/* Have we just resumed ? */
-	if (pcf->is_suspended) {
-		pcf->is_suspended = 0;
-
-		/* Set the resume reason filtering out non resumers */
-		for (i = 0; i < ARRAY_SIZE(pcf_int); i++)
-			pcf->resume_reason[i] = pcf_int[i] &
-						pcf->pdata->resumers[i];
-
-		/* Make sure we don't pass on any ONKEY events to
-		 * userspace now */
-		pcf_int[1] &= ~(PCF50633_INT2_ONKEYR | PCF50633_INT2_ONKEYF);
-	}
-
-	for (i = 0; i < ARRAY_SIZE(pcf_int); i++) {
-		/* Unset masked interrupts */
-		pcf_int[i] &= ~pcf->mask_regs[i];
-
-		for (j = 0; j < 8 ; j++)
-			if (pcf_int[i] & (1 << j))
-				pcf50633_irq_call_handler(pcf, (i * 8) + j);
-	}
-
-out:
-	return IRQ_HANDLED
-}
-
 static void
 pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name,
 						struct platform_device **pdev)
@@ -463,58 +241,17 @@ pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name,
 static int pcf50633_suspend(struct i2c_client *client, pm_message_t state)
 {
 	struct pcf50633 *pcf;
-	int ret = 0, i;
-	u8 res[5];
-
 	pcf = i2c_get_clientdata(client);
 
-	/* Make sure our interrupt handlers are not called
-	 * henceforth */
-	disable_irq(pcf->irq);
-
-	/* Save the masks */
-	ret = pcf50633_read_block(pcf, PCF50633_REG_INT1M,
-				ARRAY_SIZE(pcf->suspend_irq_masks),
-					pcf->suspend_irq_masks);
-	if (ret < 0) {
-		dev_err(pcf->dev, "error saving irq masks\n");
-		goto out;
-	}
-
-	/* Write wakeup irq masks */
-	for (i = 0; i < ARRAY_SIZE(res); i++)
-		res[i] = ~pcf->pdata->resumers[i];
-
-	ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M,
-					ARRAY_SIZE(res), &res[0]);
-	if (ret < 0) {
-		dev_err(pcf->dev, "error writing wakeup irq masks\n");
-		goto out;
-	}
-
-	pcf->is_suspended = 1;
-
-out:
-	return ret;
+	return pcf50633_irq_suspend(pcf);
 }
 
 static int pcf50633_resume(struct i2c_client *client)
 {
 	struct pcf50633 *pcf;
-	int ret;
-
 	pcf = i2c_get_clientdata(client);
 
-	/* Write the saved mask registers */
-	ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M,
-				ARRAY_SIZE(pcf->suspend_irq_masks),
-					pcf->suspend_irq_masks);
-	if (ret < 0)
-		dev_err(pcf->dev, "Error restoring saved suspend masks\n");
-
-	enable_irq(pcf->irq);
-
-	return 0;
+	return pcf50633_irq_resume(pcf);
 }
 #else
 #define pcf50633_suspend NULL
@@ -545,7 +282,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, pcf);
 	pcf->dev = &client->dev;
 	pcf->i2c_client = client;
-	pcf->irq = client->irq;
 
 	version = pcf50633_reg_read(pcf, 0);
 	variant = pcf50633_reg_read(pcf, 1);
@@ -558,22 +294,7 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
 	dev_info(pcf->dev, "Probed device version %d variant %d\n",
 							version, variant);
 
-	/* Enable all interrupts except RTC SECOND */
-	pcf->mask_regs[0] = 0x80;
-	pcf50633_reg_write(pcf, PCF50633_REG_INT1M, pcf->mask_regs[0]);
-	pcf50633_reg_write(pcf, PCF50633_REG_INT2M, 0x00);
-	pcf50633_reg_write(pcf, PCF50633_REG_INT3M, 0x00);
-	pcf50633_reg_write(pcf, PCF50633_REG_INT4M, 0x00);
-	pcf50633_reg_write(pcf, PCF50633_REG_INT5M, 0x00);
-
-	ret = request_threaded_irq(client->irq, NULL, pcf50633_irq,
-					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-					"pcf50633", pcf);
-
-	if (ret) {
-		dev_err(pcf->dev, "Failed to request IRQ %d\n", ret);
-		goto err_free;
-	}
+	pcf50633_irq_init(pcf, client->irq);
 
 	/* Create sub devices */
 	pcf50633_client_dev_register(pcf, "pcf50633-input",
@@ -605,10 +326,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
 		platform_device_add(pdev);
 	}
 
-	if (enable_irq_wake(client->irq) < 0)
-		dev_err(pcf->dev, "IRQ %u cannot be enabled as wake-up source"
-			"in this hardware revision", client->irq);
-
 	ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group);
 	if (ret)
 		dev_err(pcf->dev, "error creating sysfs entries\n");
@@ -630,7 +347,7 @@ static int __devexit pcf50633_remove(struct i2c_client *client)
 	struct pcf50633 *pcf = i2c_get_clientdata(client);
 	int i;
 
-	free_irq(pcf->irq, pcf);
+	pcf50633_irq_free(pcf);
 
 	platform_device_unregister(pcf->input_pdev);
 	platform_device_unregister(pcf->rtc_pdev);
diff --git a/drivers/mfd/pcf50633-irq.c b/drivers/mfd/pcf50633-irq.c
new file mode 100644
index 00000000000..1b0192f1eff
--- /dev/null
+++ b/drivers/mfd/pcf50633-irq.c
@@ -0,0 +1,318 @@
+/* NXP PCF50633 Power Management Unit (PMU) driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Harald Welte <laforge@openmoko.org>
+ * 	   Balaji Rao <balajirrao@openmoko.org>
+ * All rights reserved.
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+
+#include <linux/mfd/pcf50633/core.h>
+
+/* Two MBCS registers used during cold start */
+#define PCF50633_REG_MBCS1		0x4b
+#define PCF50633_REG_MBCS2		0x4c
+#define PCF50633_MBCS1_USBPRES 		0x01
+#define PCF50633_MBCS1_ADAPTPRES	0x01
+
+int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
+			void (*handler) (int, void *), void *data)
+{
+	if (irq < 0 || irq >= PCF50633_NUM_IRQ || !handler)
+		return -EINVAL;
+
+	if (WARN_ON(pcf->irq_handler[irq].handler))
+		return -EBUSY;
+
+	mutex_lock(&pcf->lock);
+	pcf->irq_handler[irq].handler = handler;
+	pcf->irq_handler[irq].data = data;
+	mutex_unlock(&pcf->lock);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(pcf50633_register_irq);
+
+int pcf50633_free_irq(struct pcf50633 *pcf, int irq)
+{
+	if (irq < 0 || irq >= PCF50633_NUM_IRQ)
+		return -EINVAL;
+
+	mutex_lock(&pcf->lock);
+	pcf->irq_handler[irq].handler = NULL;
+	mutex_unlock(&pcf->lock);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(pcf50633_free_irq);
+
+static int __pcf50633_irq_mask_set(struct pcf50633 *pcf, int irq, u8 mask)
+{
+	u8 reg, bit;
+	int ret = 0, idx;
+
+	idx = irq >> 3;
+	reg = PCF50633_REG_INT1M + idx;
+	bit = 1 << (irq & 0x07);
+
+	pcf50633_reg_set_bit_mask(pcf, reg, bit, mask ? bit : 0);
+
+	mutex_lock(&pcf->lock);
+
+	if (mask)
+		pcf->mask_regs[idx] |= bit;
+	else
+		pcf->mask_regs[idx] &= ~bit;
+
+	mutex_unlock(&pcf->lock);
+
+	return ret;
+}
+
+int pcf50633_irq_mask(struct pcf50633 *pcf, int irq)
+{
+	dev_dbg(pcf->dev, "Masking IRQ %d\n", irq);
+
+	return __pcf50633_irq_mask_set(pcf, irq, 1);
+}
+EXPORT_SYMBOL_GPL(pcf50633_irq_mask);
+
+int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq)
+{
+	dev_dbg(pcf->dev, "Unmasking IRQ %d\n", irq);
+
+	return __pcf50633_irq_mask_set(pcf, irq, 0);
+}
+EXPORT_SYMBOL_GPL(pcf50633_irq_unmask);
+
+int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq)
+{
+	u8 reg, bits;
+
+	reg =  irq >> 3;
+	bits = 1 << (irq & 0x07);
+
+	return pcf->mask_regs[reg] & bits;
+}
+EXPORT_SYMBOL_GPL(pcf50633_irq_mask_get);
+
+static void pcf50633_irq_call_handler(struct pcf50633 *pcf, int irq)
+{
+	if (pcf->irq_handler[irq].handler)
+		pcf->irq_handler[irq].handler(irq, pcf->irq_handler[irq].data);
+}
+
+/* Maximum amount of time ONKEY is held before emergency action is taken */
+#define PCF50633_ONKEY1S_TIMEOUT 8
+
+static irqreturn_t pcf50633_irq(int irq, void *data)
+{
+	struct pcf50633 *pcf = data;
+	int ret, i, j;
+	u8 pcf_int[5], chgstat;
+
+	/* Read the 5 INT regs in one transaction */
+	ret = pcf50633_read_block(pcf, PCF50633_REG_INT1,
+						ARRAY_SIZE(pcf_int), pcf_int);
+	if (ret != ARRAY_SIZE(pcf_int)) {
+		dev_err(pcf->dev, "Error reading INT registers\n");
+
+		/*
+		 * If this doesn't ACK the interrupt to the chip, we'll be
+		 * called once again as we're level triggered.
+		 */
+		goto out;
+	}
+
+	/* defeat 8s death from lowsys on A5 */
+	pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN,  0x04);
+
+	/* We immediately read the usb and adapter status. We thus make sure
+	 * only of USBINS/USBREM IRQ handlers are called */
+	if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) {
+		chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
+		if (chgstat & (0x3 << 4))
+			pcf_int[0] &= ~PCF50633_INT1_USBREM;
+		else
+			pcf_int[0] &= ~PCF50633_INT1_USBINS;
+	}
+
+	/* Make sure only one of ADPINS or ADPREM is set */
+	if (pcf_int[0] & (PCF50633_INT1_ADPINS | PCF50633_INT1_ADPREM)) {
+		chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
+		if (chgstat & (0x3 << 4))
+			pcf_int[0] &= ~PCF50633_INT1_ADPREM;
+		else
+			pcf_int[0] &= ~PCF50633_INT1_ADPINS;
+	}
+
+	dev_dbg(pcf->dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x "
+			"INT4=0x%02x INT5=0x%02x\n", pcf_int[0],
+			pcf_int[1], pcf_int[2], pcf_int[3], pcf_int[4]);
+
+	/* Some revisions of the chip don't have a 8s standby mode on
+	 * ONKEY1S press. We try to manually do it in such cases. */
+	if ((pcf_int[0] & PCF50633_INT1_SECOND) && pcf->onkey1s_held) {
+		dev_info(pcf->dev, "ONKEY1S held for %d secs\n",
+							pcf->onkey1s_held);
+		if (pcf->onkey1s_held++ == PCF50633_ONKEY1S_TIMEOUT)
+			if (pcf->pdata->force_shutdown)
+				pcf->pdata->force_shutdown(pcf);
+	}
+
+	if (pcf_int[2] & PCF50633_INT3_ONKEY1S) {
+		dev_info(pcf->dev, "ONKEY1S held\n");
+		pcf->onkey1s_held = 1 ;
+
+		/* Unmask IRQ_SECOND */
+		pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT1M,
+						PCF50633_INT1_SECOND);
+
+		/* Unmask IRQ_ONKEYR */
+		pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT2M,
+						PCF50633_INT2_ONKEYR);
+	}
+
+	if ((pcf_int[1] & PCF50633_INT2_ONKEYR) && pcf->onkey1s_held) {
+		pcf->onkey1s_held = 0;
+
+		/* Mask SECOND and ONKEYR interrupts */
+		if (pcf->mask_regs[0] & PCF50633_INT1_SECOND)
+			pcf50633_reg_set_bit_mask(pcf,
+					PCF50633_REG_INT1M,
+					PCF50633_INT1_SECOND,
+					PCF50633_INT1_SECOND);
+
+		if (pcf->mask_regs[1] & PCF50633_INT2_ONKEYR)
+			pcf50633_reg_set_bit_mask(pcf,
+					PCF50633_REG_INT2M,
+					PCF50633_INT2_ONKEYR,
+					PCF50633_INT2_ONKEYR);
+	}
+
+	/* Have we just resumed ? */
+	if (pcf->is_suspended) {
+		pcf->is_suspended = 0;
+
+		/* Set the resume reason filtering out non resumers */
+		for (i = 0; i < ARRAY_SIZE(pcf_int); i++)
+			pcf->resume_reason[i] = pcf_int[i] &
+						pcf->pdata->resumers[i];
+
+		/* Make sure we don't pass on any ONKEY events to
+		 * userspace now */
+		pcf_int[1] &= ~(PCF50633_INT2_ONKEYR | PCF50633_INT2_ONKEYF);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(pcf_int); i++) {
+		/* Unset masked interrupts */
+		pcf_int[i] &= ~pcf->mask_regs[i];
+
+		for (j = 0; j < 8 ; j++)
+			if (pcf_int[i] & (1 << j))
+				pcf50633_irq_call_handler(pcf, (i * 8) + j);
+	}
+
+out:
+	return IRQ_HANDLED;
+}
+
+#ifdef CONFIG_PM
+
+int pcf50633_irq_suspend(struct pcf50633 *pcf)
+{
+	int ret;
+	int i;
+	u8 res[5];
+
+
+	/* Make sure our interrupt handlers are not called
+	 * henceforth */
+	disable_irq(pcf->irq);
+
+	/* Save the masks */
+	ret = pcf50633_read_block(pcf, PCF50633_REG_INT1M,
+				ARRAY_SIZE(pcf->suspend_irq_masks),
+					pcf->suspend_irq_masks);
+	if (ret < 0) {
+		dev_err(pcf->dev, "error saving irq masks\n");
+		goto out;
+	}
+
+	/* Write wakeup irq masks */
+	for (i = 0; i < ARRAY_SIZE(res); i++)
+		res[i] = ~pcf->pdata->resumers[i];
+
+	ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M,
+					ARRAY_SIZE(res), &res[0]);
+	if (ret < 0) {
+		dev_err(pcf->dev, "error writing wakeup irq masks\n");
+		goto out;
+	}
+
+	pcf->is_suspended = 1;
+
+out:
+	return ret;
+}
+
+int pcf50633_irq_resume(struct pcf50633 *pcf)
+{
+	int ret;
+
+	/* Write the saved mask registers */
+	ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M,
+				ARRAY_SIZE(pcf->suspend_irq_masks),
+					pcf->suspend_irq_masks);
+	if (ret < 0)
+		dev_err(pcf->dev, "Error restoring saved suspend masks\n");
+
+	enable_irq(pcf->irq);
+
+	return ret;
+}
+
+#endif
+
+int pcf50633_irq_init(struct pcf50633 *pcf, int irq)
+{
+	int ret;
+
+	pcf->irq = irq;
+
+	/* Enable all interrupts except RTC SECOND */
+	pcf->mask_regs[0] = 0x80;
+	pcf50633_reg_write(pcf, PCF50633_REG_INT1M, pcf->mask_regs[0]);
+	pcf50633_reg_write(pcf, PCF50633_REG_INT2M, 0x00);
+	pcf50633_reg_write(pcf, PCF50633_REG_INT3M, 0x00);
+	pcf50633_reg_write(pcf, PCF50633_REG_INT4M, 0x00);
+	pcf50633_reg_write(pcf, PCF50633_REG_INT5M, 0x00);
+
+	ret = request_threaded_irq(irq, NULL, pcf50633_irq,
+					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+					"pcf50633", pcf);
+
+	if (ret)
+		dev_err(pcf->dev, "Failed to request IRQ %d\n", ret);
+
+	if (enable_irq_wake(irq) < 0)
+		dev_err(pcf->dev, "IRQ %u cannot be enabled as wake-up source"
+			"in this hardware revision", irq);
+
+	return ret;
+}
+
+void pcf50633_irq_free(struct pcf50633 *pcf)
+{
+	free_irq(pcf->irq, pcf);
+}

From 8deca39e5caf7a20fc3786548dc9bfb7f0ae14b6 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sat, 15 May 2010 22:58:27 +0200
Subject: [PATCH 3549/3638] mfd: Change rdc321x resources flags to
 IORESOURCE_IO

The rdc321x southbridge PCI device has no MEM PCI resources that we could
pass to mfd_add_devices. Since 33254dd5, mfd_add_device checks for the
mem_base argument that we set to NULL. Changing the resources passed to
our MFD cells from IORESOURCE_MEM to IORESOURCE_IO fixes that. Since we use
those resources as offsets to the PCI configuration space base address of
the southbridge device this is also more adequate.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/gpio/rdc321x-gpio.c       | 4 ++--
 drivers/mfd/rdc321x-southbridge.c | 6 +++---
 drivers/watchdog/rdc321x_wdt.c    | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/rdc321x-gpio.c
index e344907da5b..22f31dc5010 100644
--- a/drivers/gpio/rdc321x-gpio.c
+++ b/drivers/gpio/rdc321x-gpio.c
@@ -147,7 +147,7 @@ static int __devinit rdc321x_gpio_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpio-reg1");
+	r = platform_get_resource_byname(pdev, IORESOURCE_IO, "gpio-reg1");
 	if (!r) {
 		dev_err(&pdev->dev, "failed to get gpio-reg1 resource\n");
 		err = -ENODEV;
@@ -159,7 +159,7 @@ static int __devinit rdc321x_gpio_probe(struct platform_device *pdev)
 	rdc321x_gpio_dev->reg1_ctrl_base = r->start;
 	rdc321x_gpio_dev->reg1_data_base = r->start + 0x4;
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpio-reg2");
+	r = platform_get_resource_byname(pdev, IORESOURCE_IO, "gpio-reg2");
 	if (!r) {
 		dev_err(&pdev->dev, "failed to get gpio-reg2 resource\n");
 		err = -ENODEV;
diff --git a/drivers/mfd/rdc321x-southbridge.c b/drivers/mfd/rdc321x-southbridge.c
index 256dd560bd4..50922975bda 100644
--- a/drivers/mfd/rdc321x-southbridge.c
+++ b/drivers/mfd/rdc321x-southbridge.c
@@ -34,7 +34,7 @@ static struct resource rdc321x_wdt_resource[] = {
 		.name	= "wdt-reg",
 		.start	= RDC321X_WDT_CTRL,
 		.end	= RDC321X_WDT_CTRL + 0x3,
-		.flags	= IORESOURCE_MEM,
+		.flags	= IORESOURCE_IO,
 	}
 };
 
@@ -47,12 +47,12 @@ static struct resource rdc321x_gpio_resources[] = {
 		.name	= "gpio-reg1",
 		.start	= RDC321X_GPIO_CTRL_REG1,
 		.end	= RDC321X_GPIO_CTRL_REG1 + 0x7,
-		.flags	= IORESOURCE_MEM,
+		.flags	= IORESOURCE_IO,
 	}, {
 		.name	= "gpio-reg2",
 		.start	= RDC321X_GPIO_CTRL_REG2,
 		.end	= RDC321X_GPIO_CTRL_REG2 + 0x7,
-		.flags	= IORESOURCE_MEM,
+		.flags	= IORESOURCE_IO,
 	}
 };
 
diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c
index 4733a99955d..428f8a1583e 100644
--- a/drivers/watchdog/rdc321x_wdt.c
+++ b/drivers/watchdog/rdc321x_wdt.c
@@ -237,7 +237,7 @@ static int __devinit rdc321x_wdt_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wdt-reg");
+	r = platform_get_resource_byname(pdev, IORESOURCE_IO, "wdt-reg");
 	if (!r) {
 		dev_err(&pdev->dev, "failed to get wdt-reg resource\n");
 		return -ENODEV;

From 75907a1153b42100b7a5e960bfe47d208d726309 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 16 May 2010 12:02:18 +0200
Subject: [PATCH 3550/3638] gpio: Fix inverted rdc321x gpio data out registers

rdc_gpio_set_value_impl has the gpio data registers 1 and 2 inverted, fix this.

Signed-off-by: Bernhard Loos <bernhardloos@gmail.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/gpio/rdc321x-gpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/rdc321x-gpio.c
index 22f31dc5010..2762698e020 100644
--- a/drivers/gpio/rdc321x-gpio.c
+++ b/drivers/gpio/rdc321x-gpio.c
@@ -73,7 +73,7 @@ static void rdc_gpio_set_value_impl(struct gpio_chip *chip,
 		gpch->data_reg[reg] &= ~(1 << (gpio & 0x1f));
 
 	pci_write_config_dword(gpch->sb_pdev,
-			reg ? gpch->reg1_data_base : gpch->reg2_data_base,
+			reg ? gpch->reg2_data_base : gpch->reg1_data_base,
 			gpch->data_reg[reg]);
 }
 

From 62579266cf9caca5b999560be2b5ceee42fc4d4d Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin.vincent@stericsson.com>
Date: Wed, 19 May 2010 11:39:02 +0200
Subject: [PATCH 3551/3638] mfd: New AB8500 driver

Add a new driver to support the AB8500 Power Management chip, replacing
the current AB4500.  The new driver replaces the old one, instead of an
incremental modification, because this is a substantial overhaul
including:

 - Split of the driver into -core and -spi portions, to allow another
   interface layer to be added

 - Addition of interrupt support

 - Switch to MFD core API for handling subdevices

 - Simplification of the APIs to remove a redundant block parameter

 - Rename of the APIs and macros from ab4500_* to ab8500_*

 - Rename of the files from ab4500* to ab8500*

 - Change of the driver name from ab4500 to ab8500

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 arch/arm/mach-ux500/board-mop500.c |   2 +-
 drivers/mfd/Kconfig                |   9 +-
 drivers/mfd/Makefile               |   2 +-
 drivers/mfd/ab4500-core.c          | 209 --------------
 drivers/mfd/ab8500-core.c          | 444 +++++++++++++++++++++++++++++
 drivers/mfd/ab8500-spi.c           | 133 +++++++++
 include/linux/mfd/ab4500.h         | 262 -----------------
 include/linux/mfd/ab8500.h         | 128 +++++++++
 8 files changed, 712 insertions(+), 477 deletions(-)
 delete mode 100644 drivers/mfd/ab4500-core.c
 create mode 100644 drivers/mfd/ab8500-core.c
 create mode 100644 drivers/mfd/ab8500-spi.c
 delete mode 100644 include/linux/mfd/ab4500.h
 create mode 100644 include/linux/mfd/ab8500.h

diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 072196c5726..bb8d7b77181 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -50,7 +50,7 @@ struct pl022_config_chip ab4500_chip_info = {
 
 static struct spi_board_info u8500_spi_devices[] = {
 	{
-		.modalias = "ab4500",
+		.modalias = "ab8500",
 		.controller_data = &ab4500_chip_info,
 		.max_speed_hz = 12000000,
 		.bus_num = 0,
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index b84b7078e90..9da0e504bbe 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -420,11 +420,12 @@ config EZX_PCAP
 	  This enables the PCAP ASIC present on EZX Phones. This is
 	  needed for MMC, TouchScreen, Sound, USB, etc..
 
-config AB4500_CORE
-	tristate "ST-Ericsson's AB4500 Mixed Signal Power management chip"
-	depends on SPI
+config AB8500_CORE
+	bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"
+	depends on SPI=y && GENERIC_HARDIRQS
+	select MFD_CORE
 	help
-	  Select this option to enable access to AB4500 power management
+	  Select this option to enable access to AB8500 power management
 	  chip. This connects to U8500 on the SSP/SPI bus and exports
 	  read/write functions for the devices to get access to this chip.
 	  This chip embeds various other multimedia funtionalities as well.
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index ca1517e948a..fb503e77dc6 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -64,8 +64,8 @@ obj-$(CONFIG_PCF50633_GPIO)	+= pcf50633-gpio.o
 obj-$(CONFIG_ABX500_CORE)	+= abx500-core.o
 obj-$(CONFIG_AB3100_CORE)	+= ab3100-core.o
 obj-$(CONFIG_AB3100_OTP)	+= ab3100-otp.o
-obj-$(CONFIG_AB4500_CORE)	+= ab4500-core.o
 obj-$(CONFIG_AB3550_CORE)	+= ab3550-core.o
+obj-$(CONFIG_AB8500_CORE)	+= ab8500-core.o ab8500-spi.o
 obj-$(CONFIG_MFD_TIMBERDALE)    += timberdale.o
 obj-$(CONFIG_PMIC_ADP5520)	+= adp5520.o
 obj-$(CONFIG_LPC_SCH)		+= lpc_sch.o
diff --git a/drivers/mfd/ab4500-core.c b/drivers/mfd/ab4500-core.c
deleted file mode 100644
index c275daa3ab1..00000000000
--- a/drivers/mfd/ab4500-core.c
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * Copyright (C) 2009 ST-Ericsson
- *
- * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
- *
- * This program is free software; you can redistribute it
- * and/or modify it under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation.
- *
- * AB4500 is a companion power management chip used with U8500.
- * On this platform, this is interfaced with SSP0 controller
- * which is a ARM primecell pl022.
- *
- * At the moment the module just exports read/write features.
- * Interrupt management to be added - TODO.
- */
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/spi/spi.h>
-#include <linux/mfd/ab4500.h>
-
-/* just required if probe fails, we need to
- * unregister the device
- */
-static struct spi_driver ab4500_driver;
-
-/*
- * This funtion writes to any AB4500 registers using
- * SPI protocol &  before it writes it packs the data
- * in the below 24 bit frame format
- *
- *	 *|------------------------------------|
- *	 *| 23|22...18|17.......10|9|8|7......0|
- *	 *| r/w  bank       adr          data  |
- *	 * ------------------------------------
- *
- * This function shouldn't be called from interrupt
- * context
- */
-int ab4500_write(struct ab4500 *ab4500, unsigned char block,
-		unsigned long addr, unsigned char data)
-{
-	struct spi_transfer xfer;
-	struct spi_message	msg;
-	int err;
-	unsigned long spi_data =
-		block << 18 | addr << 10 | data;
-
-	mutex_lock(&ab4500->lock);
-	ab4500->tx_buf[0] = spi_data;
-	ab4500->rx_buf[0] = 0;
-
-	xfer.tx_buf	= ab4500->tx_buf;
-	xfer.rx_buf 	= NULL;
-	xfer.len	= sizeof(unsigned long);
-
-	spi_message_init(&msg);
-	spi_message_add_tail(&xfer, &msg);
-
-	err = spi_sync(ab4500->spi, &msg);
-	mutex_unlock(&ab4500->lock);
-
-	return err;
-}
-EXPORT_SYMBOL(ab4500_write);
-
-int ab4500_read(struct ab4500 *ab4500, unsigned char block,
-		unsigned long addr)
-{
-	struct spi_transfer xfer;
-	struct spi_message	msg;
-	unsigned long spi_data =
-		1 << 23 | block << 18 | addr << 10;
-
-	mutex_lock(&ab4500->lock);
-	ab4500->tx_buf[0] = spi_data;
-	ab4500->rx_buf[0] = 0;
-
-	xfer.tx_buf	= ab4500->tx_buf;
-	xfer.rx_buf 	= ab4500->rx_buf;
-	xfer.len	= sizeof(unsigned long);
-
-	spi_message_init(&msg);
-	spi_message_add_tail(&xfer, &msg);
-
-	spi_sync(ab4500->spi, &msg);
-	mutex_unlock(&ab4500->lock);
-
-	return  ab4500->rx_buf[0];
-}
-EXPORT_SYMBOL(ab4500_read);
-
-/* ref: ab3100 core */
-#define AB4500_DEVICE(devname, devid)				\
-static struct platform_device ab4500_##devname##_device = {	\
-	.name	= devid,					\
-	.id	= -1,						\
-}
-
-/* list of childern devices of ab4500 - all are
- * not populated here - TODO
- */
-AB4500_DEVICE(charger, "ab4500-charger");
-AB4500_DEVICE(audio, "ab4500-audio");
-AB4500_DEVICE(usb, "ab4500-usb");
-AB4500_DEVICE(tvout, "ab4500-tvout");
-AB4500_DEVICE(sim, "ab4500-sim");
-AB4500_DEVICE(gpadc, "ab4500-gpadc");
-AB4500_DEVICE(clkmgt, "ab4500-clkmgt");
-AB4500_DEVICE(misc, "ab4500-misc");
-
-static struct platform_device *ab4500_platform_devs[] = {
-	&ab4500_charger_device,
-	&ab4500_audio_device,
-	&ab4500_usb_device,
-	&ab4500_tvout_device,
-	&ab4500_sim_device,
-	&ab4500_gpadc_device,
-	&ab4500_clkmgt_device,
-	&ab4500_misc_device,
-};
-
-static int __init ab4500_probe(struct spi_device *spi)
-{
-	struct ab4500	*ab4500;
-	unsigned char revision;
-	int err = 0;
-	int i;
-
-	ab4500 = kzalloc(sizeof *ab4500, GFP_KERNEL);
-	if (!ab4500) {
-		dev_err(&spi->dev, "could not allocate AB4500\n");
-		err = -ENOMEM;
-		goto not_detect;
-	}
-
-	ab4500->spi = spi;
-	spi_set_drvdata(spi, ab4500);
-
-	mutex_init(&ab4500->lock);
-
-	/* read the revision register */
-	revision = ab4500_read(ab4500, AB4500_MISC, AB4500_REV_REG);
-
-	/* revision id 0x0 is for early drop, 0x10 is for cut1.0 */
-	if (revision == 0x0 || revision == 0x10)
-		dev_info(&spi->dev, "Detected chip: %s, revision = %x\n",
-			ab4500_driver.driver.name, revision);
-	else	{
-		dev_err(&spi->dev, "unknown chip: 0x%x\n", revision);
-		goto not_detect;
-	}
-
-	for (i = 0; i < ARRAY_SIZE(ab4500_platform_devs); i++)	{
-		ab4500_platform_devs[i]->dev.parent =
-			&spi->dev;
-		platform_set_drvdata(ab4500_platform_devs[i], ab4500);
-	}
-
-	/* register the ab4500 platform devices */
-	platform_add_devices(ab4500_platform_devs,
-			ARRAY_SIZE(ab4500_platform_devs));
-
-	return err;
-
- not_detect:
-	spi_unregister_driver(&ab4500_driver);
-	kfree(ab4500);
-	return err;
-}
-
-static int __devexit ab4500_remove(struct spi_device *spi)
-{
-	struct ab4500 *ab4500 =
-		spi_get_drvdata(spi);
-
-	kfree(ab4500);
-
-	return 0;
-}
-
-static struct spi_driver ab4500_driver = {
-	.driver = {
-		.name = "ab4500",
-		.owner = THIS_MODULE,
-	},
-	.probe = ab4500_probe,
-	.remove = __devexit_p(ab4500_remove)
-};
-
-static int __devinit ab4500_init(void)
-{
-	return spi_register_driver(&ab4500_driver);
-}
-
-static void __exit ab4500_exit(void)
-{
-	spi_unregister_driver(&ab4500_driver);
-}
-
-subsys_initcall(ab4500_init);
-module_exit(ab4500_exit);
-
-MODULE_AUTHOR("Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com");
-MODULE_DESCRIPTION("AB4500 core driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
new file mode 100644
index 00000000000..f3d26fa9c34
--- /dev/null
+++ b/drivers/mfd/ab8500-core.c
@@ -0,0 +1,444 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/ab8500.h>
+
+/*
+ * Interrupt register offsets
+ * Bank : 0x0E
+ */
+#define AB8500_IT_SOURCE1_REG		0x0E00
+#define AB8500_IT_SOURCE2_REG		0x0E01
+#define AB8500_IT_SOURCE3_REG		0x0E02
+#define AB8500_IT_SOURCE4_REG		0x0E03
+#define AB8500_IT_SOURCE5_REG		0x0E04
+#define AB8500_IT_SOURCE6_REG		0x0E05
+#define AB8500_IT_SOURCE7_REG		0x0E06
+#define AB8500_IT_SOURCE8_REG		0x0E07
+#define AB8500_IT_SOURCE19_REG		0x0E12
+#define AB8500_IT_SOURCE20_REG		0x0E13
+#define AB8500_IT_SOURCE21_REG		0x0E14
+#define AB8500_IT_SOURCE22_REG		0x0E15
+#define AB8500_IT_SOURCE23_REG		0x0E16
+#define AB8500_IT_SOURCE24_REG		0x0E17
+
+/*
+ * latch registers
+ */
+#define AB8500_IT_LATCH1_REG		0x0E20
+#define AB8500_IT_LATCH2_REG		0x0E21
+#define AB8500_IT_LATCH3_REG		0x0E22
+#define AB8500_IT_LATCH4_REG		0x0E23
+#define AB8500_IT_LATCH5_REG		0x0E24
+#define AB8500_IT_LATCH6_REG		0x0E25
+#define AB8500_IT_LATCH7_REG		0x0E26
+#define AB8500_IT_LATCH8_REG		0x0E27
+#define AB8500_IT_LATCH9_REG		0x0E28
+#define AB8500_IT_LATCH10_REG		0x0E29
+#define AB8500_IT_LATCH19_REG		0x0E32
+#define AB8500_IT_LATCH20_REG		0x0E33
+#define AB8500_IT_LATCH21_REG		0x0E34
+#define AB8500_IT_LATCH22_REG		0x0E35
+#define AB8500_IT_LATCH23_REG		0x0E36
+#define AB8500_IT_LATCH24_REG		0x0E37
+
+/*
+ * mask registers
+ */
+
+#define AB8500_IT_MASK1_REG		0x0E40
+#define AB8500_IT_MASK2_REG		0x0E41
+#define AB8500_IT_MASK3_REG		0x0E42
+#define AB8500_IT_MASK4_REG		0x0E43
+#define AB8500_IT_MASK5_REG		0x0E44
+#define AB8500_IT_MASK6_REG		0x0E45
+#define AB8500_IT_MASK7_REG		0x0E46
+#define AB8500_IT_MASK8_REG		0x0E47
+#define AB8500_IT_MASK9_REG		0x0E48
+#define AB8500_IT_MASK10_REG		0x0E49
+#define AB8500_IT_MASK11_REG		0x0E4A
+#define AB8500_IT_MASK12_REG		0x0E4B
+#define AB8500_IT_MASK13_REG		0x0E4C
+#define AB8500_IT_MASK14_REG		0x0E4D
+#define AB8500_IT_MASK15_REG		0x0E4E
+#define AB8500_IT_MASK16_REG		0x0E4F
+#define AB8500_IT_MASK17_REG		0x0E50
+#define AB8500_IT_MASK18_REG		0x0E51
+#define AB8500_IT_MASK19_REG		0x0E52
+#define AB8500_IT_MASK20_REG		0x0E53
+#define AB8500_IT_MASK21_REG		0x0E54
+#define AB8500_IT_MASK22_REG		0x0E55
+#define AB8500_IT_MASK23_REG		0x0E56
+#define AB8500_IT_MASK24_REG		0x0E57
+
+#define AB8500_REV_REG			0x1080
+
+/*
+ * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt
+ * numbers are indexed into this array with (num / 8).
+ *
+ * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at
+ * offset 0.
+ */
+static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = {
+	0, 1, 2, 3, 4, 6, 7, 8, 9, 18, 19, 20, 21,
+};
+
+static int __ab8500_write(struct ab8500 *ab8500, u16 addr, u8 data)
+{
+	int ret;
+
+	dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data);
+
+	ret = ab8500->write(ab8500, addr, data);
+	if (ret < 0)
+		dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
+			addr, ret);
+
+	return ret;
+}
+
+/**
+ * ab8500_write() - write an AB8500 register
+ * @ab8500: device to write to
+ * @addr: address of the register
+ * @data: value to write
+ */
+int ab8500_write(struct ab8500 *ab8500, u16 addr, u8 data)
+{
+	int ret;
+
+	mutex_lock(&ab8500->lock);
+	ret = __ab8500_write(ab8500, addr, data);
+	mutex_unlock(&ab8500->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(ab8500_write);
+
+static int __ab8500_read(struct ab8500 *ab8500, u16 addr)
+{
+	int ret;
+
+	ret = ab8500->read(ab8500, addr);
+	if (ret < 0)
+		dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
+			addr, ret);
+
+	dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret);
+
+	return ret;
+}
+
+/**
+ * ab8500_read() - read an AB8500 register
+ * @ab8500: device to read from
+ * @addr: address of the register
+ */
+int ab8500_read(struct ab8500 *ab8500, u16 addr)
+{
+	int ret;
+
+	mutex_lock(&ab8500->lock);
+	ret = __ab8500_read(ab8500, addr);
+	mutex_unlock(&ab8500->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(ab8500_read);
+
+/**
+ * ab8500_set_bits() - set a bitfield in an AB8500 register
+ * @ab8500: device to read from
+ * @addr: address of the register
+ * @mask: mask of the bitfield to modify
+ * @data: value to set to the bitfield
+ */
+int ab8500_set_bits(struct ab8500 *ab8500, u16 addr, u8 mask, u8 data)
+{
+	int ret;
+
+	mutex_lock(&ab8500->lock);
+
+	ret = __ab8500_read(ab8500, addr);
+	if (ret < 0)
+		goto out;
+
+	ret &= ~mask;
+	ret |= data;
+
+	ret = __ab8500_write(ab8500, addr, ret);
+
+out:
+	mutex_unlock(&ab8500->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(ab8500_set_bits);
+
+static void ab8500_irq_lock(unsigned int irq)
+{
+	struct ab8500 *ab8500 = get_irq_chip_data(irq);
+
+	mutex_lock(&ab8500->irq_lock);
+}
+
+static void ab8500_irq_sync_unlock(unsigned int irq)
+{
+	struct ab8500 *ab8500 = get_irq_chip_data(irq);
+	int i;
+
+	for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) {
+		u8 old = ab8500->oldmask[i];
+		u8 new = ab8500->mask[i];
+		int reg;
+
+		if (new == old)
+			continue;
+
+		ab8500->oldmask[i] = new;
+
+		reg = AB8500_IT_MASK1_REG + ab8500_irq_regoffset[i];
+		ab8500_write(ab8500, reg, new);
+	}
+
+	mutex_unlock(&ab8500->irq_lock);
+}
+
+static void ab8500_irq_mask(unsigned int irq)
+{
+	struct ab8500 *ab8500 = get_irq_chip_data(irq);
+	int offset = irq - ab8500->irq_base;
+	int index = offset / 8;
+	int mask = 1 << (offset % 8);
+
+	ab8500->mask[index] |= mask;
+}
+
+static void ab8500_irq_unmask(unsigned int irq)
+{
+	struct ab8500 *ab8500 = get_irq_chip_data(irq);
+	int offset = irq - ab8500->irq_base;
+	int index = offset / 8;
+	int mask = 1 << (offset % 8);
+
+	ab8500->mask[index] &= ~mask;
+}
+
+static struct irq_chip ab8500_irq_chip = {
+	.name			= "ab8500",
+	.bus_lock		= ab8500_irq_lock,
+	.bus_sync_unlock	= ab8500_irq_sync_unlock,
+	.mask			= ab8500_irq_mask,
+	.unmask			= ab8500_irq_unmask,
+};
+
+static irqreturn_t ab8500_irq(int irq, void *dev)
+{
+	struct ab8500 *ab8500 = dev;
+	int i;
+
+	dev_vdbg(ab8500->dev, "interrupt\n");
+
+	for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) {
+		int regoffset = ab8500_irq_regoffset[i];
+		int status;
+
+		status = ab8500_read(ab8500, AB8500_IT_LATCH1_REG + regoffset);
+		if (status <= 0)
+			continue;
+
+		do {
+			int bit = __ffs(status);
+			int line = i * 8 + bit;
+
+			handle_nested_irq(ab8500->irq_base + line);
+			status &= ~(1 << bit);
+		} while (status);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int ab8500_irq_init(struct ab8500 *ab8500)
+{
+	int base = ab8500->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + AB8500_NR_IRQS; irq++) {
+		set_irq_chip_data(irq, ab8500);
+		set_irq_chip_and_handler(irq, &ab8500_irq_chip,
+					 handle_simple_irq);
+		set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, IRQF_VALID);
+#else
+		set_irq_noprobe(irq);
+#endif
+	}
+
+	return 0;
+}
+
+static void ab8500_irq_remove(struct ab8500 *ab8500)
+{
+	int base = ab8500->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + AB8500_NR_IRQS; irq++) {
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, 0);
+#endif
+		set_irq_chip_and_handler(irq, NULL, NULL);
+		set_irq_chip_data(irq, NULL);
+	}
+}
+
+static struct resource ab8500_gpadc_resources[] = {
+	{
+		.name	= "HW_CONV_END",
+		.start	= AB8500_INT_GP_HW_ADC_CONV_END,
+		.end	= AB8500_INT_GP_HW_ADC_CONV_END,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.name	= "SW_CONV_END",
+		.start	= AB8500_INT_GP_SW_ADC_CONV_END,
+		.end	= AB8500_INT_GP_SW_ADC_CONV_END,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource ab8500_rtc_resources[] = {
+	{
+		.name	= "60S",
+		.start	= AB8500_INT_RTC_60S,
+		.end	= AB8500_INT_RTC_60S,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.name	= "ALARM",
+		.start	= AB8500_INT_RTC_ALARM,
+		.end	= AB8500_INT_RTC_ALARM,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell ab8500_devs[] = {
+	{
+		.name = "ab8500-gpadc",
+		.num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
+		.resources = ab8500_gpadc_resources,
+	},
+	{
+		.name = "ab8500-rtc",
+		.num_resources = ARRAY_SIZE(ab8500_rtc_resources),
+		.resources = ab8500_rtc_resources,
+	},
+	{ .name = "ab8500-charger", },
+	{ .name = "ab8500-audio", },
+	{ .name = "ab8500-usb", },
+	{ .name = "ab8500-pwm", },
+};
+
+int __devinit ab8500_init(struct ab8500 *ab8500)
+{
+	struct ab8500_platform_data *plat = dev_get_platdata(ab8500->dev);
+	int ret;
+	int i;
+
+	if (plat)
+		ab8500->irq_base = plat->irq_base;
+
+	mutex_init(&ab8500->lock);
+	mutex_init(&ab8500->irq_lock);
+
+	ret = ab8500_read(ab8500, AB8500_REV_REG);
+	if (ret < 0)
+		return ret;
+
+	/*
+	 * 0x0 - Early Drop
+	 * 0x10 - Cut 1.0
+	 * 0x11 - Cut 1.1
+	 */
+	if (ret == 0x0 || ret == 0x10 || ret == 0x11) {
+		ab8500->revision = ret;
+		dev_info(ab8500->dev, "detected chip, revision: %#x\n", ret);
+	} else {
+		dev_err(ab8500->dev, "unknown chip, revision: %#x\n", ret);
+		return -EINVAL;
+	}
+
+	if (plat && plat->init)
+		plat->init(ab8500);
+
+	/* Clear and mask all interrupts */
+	for (i = 0; i < 10; i++) {
+		ab8500_read(ab8500, AB8500_IT_LATCH1_REG + i);
+		ab8500_write(ab8500, AB8500_IT_MASK1_REG + i, 0xff);
+	}
+
+	for (i = 18; i < 24; i++) {
+		ab8500_read(ab8500, AB8500_IT_LATCH1_REG + i);
+		ab8500_write(ab8500, AB8500_IT_MASK1_REG + i, 0xff);
+	}
+
+	for (i = 0; i < AB8500_NUM_IRQ_REGS; i++)
+		ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
+
+	if (ab8500->irq_base) {
+		ret = ab8500_irq_init(ab8500);
+		if (ret)
+			return ret;
+
+		ret = request_threaded_irq(ab8500->irq, NULL, ab8500_irq,
+					   IRQF_ONESHOT, "ab8500", ab8500);
+		if (ret)
+			goto out_removeirq;
+	}
+
+	ret = mfd_add_devices(ab8500->dev, -1, ab8500_devs,
+			      ARRAY_SIZE(ab8500_devs), NULL,
+			      ab8500->irq_base);
+	if (ret)
+		goto out_freeirq;
+
+	return ret;
+
+out_freeirq:
+	if (ab8500->irq_base) {
+		free_irq(ab8500->irq, ab8500);
+out_removeirq:
+		ab8500_irq_remove(ab8500);
+	}
+	return ret;
+}
+
+int __devexit ab8500_exit(struct ab8500 *ab8500)
+{
+	mfd_remove_devices(ab8500->dev);
+	if (ab8500->irq_base) {
+		free_irq(ab8500->irq, ab8500);
+		ab8500_irq_remove(ab8500);
+	}
+
+	return 0;
+}
+
+MODULE_AUTHOR("Srinidhi Kasagar, Rabin Vincent");
+MODULE_DESCRIPTION("AB8500 MFD core");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/ab8500-spi.c b/drivers/mfd/ab8500-spi.c
new file mode 100644
index 00000000000..b81d4f768ef
--- /dev/null
+++ b/drivers/mfd/ab8500-spi.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/mfd/ab8500.h>
+
+/*
+ * This funtion writes to any AB8500 registers using
+ * SPI protocol &  before it writes it packs the data
+ * in the below 24 bit frame format
+ *
+ *	 *|------------------------------------|
+ *	 *| 23|22...18|17.......10|9|8|7......0|
+ *	 *| r/w  bank       adr          data  |
+ *	 * ------------------------------------
+ *
+ * This function shouldn't be called from interrupt
+ * context
+ */
+static int ab8500_spi_write(struct ab8500 *ab8500, u16 addr, u8 data)
+{
+	struct spi_device *spi = container_of(ab8500->dev, struct spi_device,
+					      dev);
+	unsigned long spi_data = addr << 10 | data;
+	struct spi_transfer xfer;
+	struct spi_message msg;
+
+	ab8500->tx_buf[0] = spi_data;
+	ab8500->rx_buf[0] = 0;
+
+	xfer.tx_buf	= ab8500->tx_buf;
+	xfer.rx_buf	= NULL;
+	xfer.len	= sizeof(unsigned long);
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfer, &msg);
+
+	return spi_sync(spi, &msg);
+}
+
+static int ab8500_spi_read(struct ab8500 *ab8500, u16 addr)
+{
+	struct spi_device *spi = container_of(ab8500->dev, struct spi_device,
+					      dev);
+	unsigned long spi_data = 1 << 23 | addr << 10;
+	struct spi_transfer xfer;
+	struct spi_message msg;
+	int ret;
+
+	ab8500->tx_buf[0] = spi_data;
+	ab8500->rx_buf[0] = 0;
+
+	xfer.tx_buf	= ab8500->tx_buf;
+	xfer.rx_buf	= ab8500->rx_buf;
+	xfer.len	= sizeof(unsigned long);
+
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfer, &msg);
+
+	ret = spi_sync(spi, &msg);
+	if (!ret)
+		ret = ab8500->rx_buf[0];
+
+	return ret;
+}
+
+static int __devinit ab8500_spi_probe(struct spi_device *spi)
+{
+	struct ab8500 *ab8500;
+	int ret;
+
+	ab8500 = kzalloc(sizeof *ab8500, GFP_KERNEL);
+	if (!ab8500)
+		return -ENOMEM;
+
+	ab8500->dev = &spi->dev;
+	ab8500->irq = spi->irq;
+
+	ab8500->read = ab8500_spi_read;
+	ab8500->write = ab8500_spi_write;
+
+	spi_set_drvdata(spi, ab8500);
+
+	ret = ab8500_init(ab8500);
+	if (ret)
+		kfree(ab8500);
+
+	return ret;
+}
+
+static int __devexit ab8500_spi_remove(struct spi_device *spi)
+{
+	struct ab8500 *ab8500 = spi_get_drvdata(spi);
+
+	ab8500_exit(ab8500);
+	kfree(ab8500);
+
+	return 0;
+}
+
+static struct spi_driver ab8500_spi_driver = {
+	.driver = {
+		.name = "ab8500",
+		.owner = THIS_MODULE,
+	},
+	.probe	= ab8500_spi_probe,
+	.remove	= __devexit_p(ab8500_spi_remove)
+};
+
+static int __init ab8500_spi_init(void)
+{
+	return spi_register_driver(&ab8500_spi_driver);
+}
+subsys_initcall(ab8500_spi_init);
+
+static void __exit ab8500_spi_exit(void)
+{
+	spi_unregister_driver(&ab8500_spi_driver);
+}
+module_exit(ab8500_spi_exit);
+
+MODULE_AUTHOR("Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com");
+MODULE_DESCRIPTION("AB8500 SPI");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/mfd/ab4500.h b/include/linux/mfd/ab4500.h
deleted file mode 100644
index a42a7033ae5..00000000000
--- a/include/linux/mfd/ab4500.h
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * Copyright (C) 2009 ST-Ericsson
- *
- * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2, as
- * published by the Free Software Foundation.
- *
- * AB4500 device core funtions, for client access
- */
-#ifndef MFD_AB4500_H
-#define MFD_AB4500_H
-
-#include <linux/device.h>
-
-/*
- * AB4500 bank addresses
- */
-#define AB4500_SYS_CTRL1_BLOCK	0x1
-#define AB4500_SYS_CTRL2_BLOCK	0x2
-#define AB4500_REGU_CTRL1	0x3
-#define AB4500_REGU_CTRL2	0x4
-#define AB4500_USB		0x5
-#define AB4500_TVOUT		0x6
-#define AB4500_DBI		0x7
-#define AB4500_ECI_AV_ACC	0x8
-#define AB4500_RESERVED		0x9
-#define AB4500_GPADC		0xA
-#define AB4500_CHARGER		0xB
-#define AB4500_GAS_GAUGE	0xC
-#define AB4500_AUDIO		0xD
-#define AB4500_INTERRUPT	0xE
-#define AB4500_RTC		0xF
-#define AB4500_MISC		0x10
-#define AB4500_DEBUG		0x12
-#define AB4500_PROD_TEST	0x13
-#define AB4500_OTP_EMUL		0x15
-
-/*
- * System control 1 register offsets.
- * Bank = 0x01
- */
-#define AB4500_TURNON_STAT_REG		0x0100
-#define AB4500_RESET_STAT_REG		0x0101
-#define AB4500_PONKEY1_PRESS_STAT_REG	0x0102
-
-#define AB4500_FSM_STAT1_REG		0x0140
-#define AB4500_FSM_STAT2_REG		0x0141
-#define AB4500_SYSCLK_REQ_STAT_REG	0x0142
-#define AB4500_USB_STAT1_REG		0x0143
-#define AB4500_USB_STAT2_REG		0x0144
-#define AB4500_STATUS_SPARE1_REG	0x0145
-#define AB4500_STATUS_SPARE2_REG	0x0146
-
-#define AB4500_CTRL1_REG		0x0180
-#define AB4500_CTRL2_REG		0x0181
-
-/*
- * System control 2 register offsets.
- * bank = 0x02
- */
-#define AB4500_CTRL3_REG		0x0200
-#define AB4500_MAIN_WDOG_CTRL_REG	0x0201
-#define AB4500_MAIN_WDOG_TIMER_REG	0x0202
-#define AB4500_LOW_BAT_REG		0x0203
-#define AB4500_BATT_OK_REG		0x0204
-#define AB4500_SYSCLK_TIMER_REG		0x0205
-#define AB4500_SMPSCLK_CTRL_REG		0x0206
-#define AB4500_SMPSCLK_SEL1_REG		0x0207
-#define AB4500_SMPSCLK_SEL2_REG		0x0208
-#define AB4500_SMPSCLK_SEL3_REG		0x0209
-#define AB4500_SYSULPCLK_CONF_REG	0x020A
-#define AB4500_SYSULPCLK_CTRL1_REG	0x020B
-#define AB4500_SYSCLK_CTRL_REG		0x020C
-#define AB4500_SYSCLK_REQ1_VALID_REG	0x020D
-#define AB4500_SYSCLK_REQ_VALID_REG	0x020E
-#define AB4500_SYSCTRL_SPARE_REG	0x020F
-#define AB4500_PAD_CONF_REG		0x0210
-
-/*
- * Regu control1 register offsets
- * Bank = 0x03
- */
-#define AB4500_REGU_SERIAL_CTRL1_REG	0x0300
-#define AB4500_REGU_SERIAL_CTRL2_REG	0x0301
-#define AB4500_REGU_SERIAL_CTRL3_REG	0x0302
-#define AB4500_REGU_REQ_CTRL1_REG	0x0303
-#define AB4500_REGU_REQ_CTRL2_REG	0x0304
-#define AB4500_REGU_REQ_CTRL3_REG	0x0305
-#define AB4500_REGU_REQ_CTRL4_REG	0x0306
-#define AB4500_REGU_MISC1_REG		0x0380
-#define AB4500_REGU_OTGSUPPLY_CTRL_REG	0x0381
-#define AB4500_REGU_VUSB_CTRL_REG	0x0382
-#define AB4500_REGU_VAUDIO_SUPPLY_REG	0x0383
-#define AB4500_REGU_CTRL1_SPARE_REG	0x0384
-
-/*
- * Regu control2 Vmod register offsets
- */
-#define AB4500_REGU_VMOD_REGU_REG	0x0440
-#define AB4500_REGU_VMOD_SEL1_REG	0x0441
-#define AB4500_REGU_VMOD_SEL2_REG	0x0442
-#define AB4500_REGU_CTRL_DISCH_REG	0x0443
-#define AB4500_REGU_CTRL_DISCH2_REG	0x0444
-
-/*
- * USB/ULPI register offsets
- * Bank : 0x5
- */
-#define AB4500_USB_LINE_STAT_REG	0x0580
-#define AB4500_USB_LINE_CTRL1_REG	0x0581
-#define AB4500_USB_LINE_CTRL2_REG	0x0582
-#define AB4500_USB_LINE_CTRL3_REG	0x0583
-#define AB4500_USB_LINE_CTRL4_REG	0x0584
-#define AB4500_USB_LINE_CTRL5_REG	0x0585
-#define AB4500_USB_OTG_CTRL_REG		0x0587
-#define AB4500_USB_OTG_STAT_REG		0x0588
-#define AB4500_USB_OTG_STAT_REG		0x0588
-#define AB4500_USB_CTRL_SPARE_REG	0x0589
-#define AB4500_USB_PHY_CTRL_REG		0x058A
-
-/*
- * TVOUT / CTRL register offsets
- * Bank : 0x06
- */
-#define AB4500_TVOUT_CTRL_REG		0x0680
-
-/*
- * DBI register offsets
- * Bank : 0x07
- */
-#define AB4500_DBI_REG1_REG		0x0700
-#define AB4500_DBI_REG2_REG		0x0701
-
-/*
- * ECI regsiter offsets
- * Bank : 0x08
- */
-#define AB4500_ECI_CTRL_REG		0x0800
-#define AB4500_ECI_HOOKLEVEL_REG	0x0801
-#define AB4500_ECI_DATAOUT_REG		0x0802
-#define AB4500_ECI_DATAIN_REG		0x0803
-
-/*
- * AV Connector register offsets
- * Bank : 0x08
- */
-#define AB4500_AV_CONN_REG		0x0840
-
-/*
- * Accessory detection register offsets
- * Bank : 0x08
- */
-#define AB4500_ACC_DET_DB1_REG		0x0880
-#define AB4500_ACC_DET_DB2_REG		0x0881
-
-/*
- * GPADC register offsets
- * Bank : 0x0A
- */
-#define AB4500_GPADC_CTRL1_REG		0x0A00
-#define AB4500_GPADC_CTRL2_REG		0x0A01
-#define AB4500_GPADC_CTRL3_REG		0x0A02
-#define AB4500_GPADC_AUTO_TIMER_REG	0x0A03
-#define AB4500_GPADC_STAT_REG		0x0A04
-#define AB4500_GPADC_MANDATAL_REG	0x0A05
-#define AB4500_GPADC_MANDATAH_REG	0x0A06
-#define AB4500_GPADC_AUTODATAL_REG	0x0A07
-#define AB4500_GPADC_AUTODATAH_REG	0x0A08
-#define AB4500_GPADC_MUX_CTRL_REG	0x0A09
-
-/*
- * Charger / status register offfsets
- * Bank : 0x0B
- */
-#define AB4500_CH_STATUS1_REG		0x0B00
-#define AB4500_CH_STATUS2_REG		0x0B01
-#define AB4500_CH_USBCH_STAT1_REG	0x0B02
-#define AB4500_CH_USBCH_STAT2_REG	0x0B03
-#define AB4500_CH_FSM_STAT_REG		0x0B04
-#define AB4500_CH_STAT_REG		0x0B05
-
-/*
- * Charger / control register offfsets
- * Bank : 0x0B
- */
-#define AB4500_CH_VOLT_LVL_REG		0x0B40
-
-/*
- * Charger / main control register offfsets
- * Bank : 0x0B
- */
-#define AB4500_MCH_CTRL1		0x0B80
-#define AB4500_MCH_CTRL2		0x0B81
-#define AB4500_MCH_IPT_CURLVL_REG	0x0B82
-#define AB4500_CH_WD_REG		0x0B83
-
-/*
- * Charger / USB control register offsets
- * Bank : 0x0B
- */
-#define AB4500_USBCH_CTRL1_REG		0x0BC0
-#define AB4500_USBCH_CTRL2_REG		0x0BC1
-#define AB4500_USBCH_IPT_CRNTLVL_REG	0x0BC2
-
-/*
- * RTC bank register offsets
- * Bank : 0xF
- */
-#define AB4500_RTC_SOFF_STAT_REG	0x0F00
-#define AB4500_RTC_CC_CONF_REG		0x0F01
-#define AB4500_RTC_READ_REQ_REG		0x0F02
-#define AB4500_RTC_WATCH_TSECMID_REG	0x0F03
-#define AB4500_RTC_WATCH_TSECHI_REG	0x0F04
-#define AB4500_RTC_WATCH_TMIN_LOW_REG	0x0F05
-#define AB4500_RTC_WATCH_TMIN_MID_REG	0x0F06
-#define AB4500_RTC_WATCH_TMIN_HI_REG	0x0F07
-#define AB4500_RTC_ALRM_MIN_LOW_REG	0x0F08
-#define AB4500_RTC_ALRM_MIN_MID_REG	0x0F09
-#define AB4500_RTC_ALRM_MIN_HI_REG	0x0F0A
-#define AB4500_RTC_STAT_REG		0x0F0B
-#define AB4500_RTC_BKUP_CHG_REG		0x0F0C
-#define AB4500_RTC_FORCE_BKUP_REG	0x0F0D
-#define AB4500_RTC_CALIB_REG		0x0F0E
-#define AB4500_RTC_SWITCH_STAT_REG	0x0F0F
-
-/*
- * PWM Out generators
- * Bank: 0x10
- */
-#define AB4500_PWM_OUT_CTRL1_REG	0x1060
-#define AB4500_PWM_OUT_CTRL2_REG	0x1061
-#define AB4500_PWM_OUT_CTRL3_REG	0x1062
-#define AB4500_PWM_OUT_CTRL4_REG	0x1063
-#define AB4500_PWM_OUT_CTRL5_REG	0x1064
-#define AB4500_PWM_OUT_CTRL6_REG	0x1065
-#define AB4500_PWM_OUT_CTRL7_REG	0x1066
-
-#define AB4500_I2C_PAD_CTRL_REG		0x1067
-#define AB4500_REV_REG			0x1080
-
-/**
- * struct ab4500
- * @spi: spi device structure
- * @tx_buf: transmit buffer
- * @rx_buf: receive buffer
- * @lock: sync primitive
- */
-struct ab4500 {
-	struct spi_device	*spi;
-	unsigned long		tx_buf[4];
-	unsigned long		rx_buf[4];
-	struct mutex		lock;
-};
-
-int ab4500_write(struct ab4500 *ab4500, unsigned char block,
-		unsigned long addr, unsigned char data);
-int ab4500_read(struct ab4500 *ab4500, unsigned char block,
-		unsigned long addr);
-
-#endif /* MFD_AB4500_H */
diff --git a/include/linux/mfd/ab8500.h b/include/linux/mfd/ab8500.h
new file mode 100644
index 00000000000..b63ff3ba335
--- /dev/null
+++ b/include/linux/mfd/ab8500.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
+ */
+#ifndef MFD_AB8500_H
+#define MFD_AB8500_H
+
+#include <linux/device.h>
+
+/*
+ * Interrupts
+ */
+
+#define AB8500_INT_MAIN_EXT_CH_NOT_OK	0
+#define AB8500_INT_UN_PLUG_TV_DET	1
+#define AB8500_INT_PLUG_TV_DET		2
+#define AB8500_INT_TEMP_WARM		3
+#define AB8500_INT_PON_KEY2DB_F		4
+#define AB8500_INT_PON_KEY2DB_R		5
+#define AB8500_INT_PON_KEY1DB_F		6
+#define AB8500_INT_PON_KEY1DB_R		7
+#define AB8500_INT_BATT_OVV		8
+#define AB8500_INT_MAIN_CH_UNPLUG_DET	10
+#define AB8500_INT_MAIN_CH_PLUG_DET	11
+#define AB8500_INT_USB_ID_DET_F		12
+#define AB8500_INT_USB_ID_DET_R		13
+#define AB8500_INT_VBUS_DET_F		14
+#define AB8500_INT_VBUS_DET_R		15
+#define AB8500_INT_VBUS_CH_DROP_END	16
+#define AB8500_INT_RTC_60S		17
+#define AB8500_INT_RTC_ALARM		18
+#define AB8500_INT_BAT_CTRL_INDB	20
+#define AB8500_INT_CH_WD_EXP		21
+#define AB8500_INT_VBUS_OVV		22
+#define AB8500_INT_MAIN_CH_DROP_END	23
+#define AB8500_INT_CCN_CONV_ACC		24
+#define AB8500_INT_INT_AUD		25
+#define AB8500_INT_CCEOC		26
+#define AB8500_INT_CC_INT_CALIB		27
+#define AB8500_INT_LOW_BAT_F		28
+#define AB8500_INT_LOW_BAT_R		29
+#define AB8500_INT_BUP_CHG_NOT_OK	30
+#define AB8500_INT_BUP_CHG_OK		31
+#define AB8500_INT_GP_HW_ADC_CONV_END	32
+#define AB8500_INT_ACC_DETECT_1DB_F	33
+#define AB8500_INT_ACC_DETECT_1DB_R	34
+#define AB8500_INT_ACC_DETECT_22DB_F	35
+#define AB8500_INT_ACC_DETECT_22DB_R	36
+#define AB8500_INT_ACC_DETECT_21DB_F	37
+#define AB8500_INT_ACC_DETECT_21DB_R	38
+#define AB8500_INT_GP_SW_ADC_CONV_END	39
+#define AB8500_INT_BTEMP_LOW		72
+#define AB8500_INT_BTEMP_LOW_MEDIUM	73
+#define AB8500_INT_BTEMP_MEDIUM_HIGH	74
+#define AB8500_INT_BTEMP_HIGH		75
+#define AB8500_INT_USB_CHARGER_NOT_OK	81
+#define AB8500_INT_ID_WAKEUP_R		82
+#define AB8500_INT_ID_DET_R1R		84
+#define AB8500_INT_ID_DET_R2R		85
+#define AB8500_INT_ID_DET_R3R		86
+#define AB8500_INT_ID_DET_R4R		87
+#define AB8500_INT_ID_WAKEUP_F		88
+#define AB8500_INT_ID_DET_R1F		90
+#define AB8500_INT_ID_DET_R2F		91
+#define AB8500_INT_ID_DET_R3F		92
+#define AB8500_INT_ID_DET_R4F		93
+#define AB8500_INT_USB_CHG_DET_DONE	94
+#define AB8500_INT_USB_CH_TH_PROT_F	96
+#define AB8500_INT_USB_CH_TH_PROP_R	97
+#define AB8500_INT_MAIN_CH_TH_PROP_F	98
+#define AB8500_INT_MAIN_CH_TH_PROT_R	99
+#define AB8500_INT_USB_CHARGER_NOT_OKF	103
+
+#define AB8500_NR_IRQS			104
+#define AB8500_NUM_IRQ_REGS		13
+
+/**
+ * struct ab8500 - ab8500 internal structure
+ * @dev: parent device
+ * @lock: read/write operations lock
+ * @irq_lock: genirq bus lock
+ * @revision: chip revision
+ * @irq: irq line
+ * @write: register write
+ * @read: register read
+ * @rx_buf: rx buf for SPI
+ * @tx_buf: tx buf for SPI
+ * @mask: cache of IRQ regs for bus lock
+ * @oldmask: cache of previous IRQ regs for bus lock
+ */
+struct ab8500 {
+	struct device	*dev;
+	struct mutex	lock;
+	struct mutex	irq_lock;
+	int		revision;
+	int		irq_base;
+	int		irq;
+
+	int (*write) (struct ab8500 *a8500, u16 addr, u8 data);
+	int (*read) (struct ab8500 *a8500, u16 addr);
+
+	unsigned long	tx_buf[4];
+	unsigned long	rx_buf[4];
+
+	u8 mask[AB8500_NUM_IRQ_REGS];
+	u8 oldmask[AB8500_NUM_IRQ_REGS];
+};
+
+/**
+ * struct ab8500_platform_data - AB8500 platform data
+ * @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used
+ * @init: board-specific initialization after detection of ab8500
+ */
+struct ab8500_platform_data {
+	int irq_base;
+	void (*init) (struct ab8500 *);
+};
+
+extern int ab8500_write(struct ab8500 *a8500, u16 addr, u8 data);
+extern int ab8500_read(struct ab8500 *a8500, u16 addr);
+extern int ab8500_set_bits(struct ab8500 *a8500, u16 addr, u8 mask, u8 data);
+
+extern int __devinit ab8500_init(struct ab8500 *ab8500);
+extern int __devexit ab8500_exit(struct ab8500 *ab8500);
+
+#endif /* MFD_AB8500_H */

From 28ade0f217a3a3ff992b01e06e6e425c250a8406 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Fri, 21 May 2010 00:50:17 +0200
Subject: [PATCH 3552/3638] mfd: Remove unneeded and dangerous clearing of
 clientdata

Unlike real i2c-devices which get detached from the driver, dummy-devices
get truly unregistered. So, there has never been a need to clear the
clientdata because the device will go away anyhow. For the occasions fixed
here, clearing clientdata was even dangerous as the structure was freed
already.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/88pm860x-i2c.c | 1 -
 drivers/mfd/max8925-i2c.c  | 2 --
 2 files changed, 3 deletions(-)

diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c
index b0bade1881d..c933b64d128 100644
--- a/drivers/mfd/88pm860x-i2c.c
+++ b/drivers/mfd/88pm860x-i2c.c
@@ -200,7 +200,6 @@ static int __devexit pm860x_remove(struct i2c_client *client)
 
 	pm860x_device_exit(chip);
 	i2c_unregister_device(chip->companion);
-	i2c_set_clientdata(chip->companion, NULL);
 	i2c_set_clientdata(chip->client, NULL);
 	i2c_set_clientdata(client, NULL);
 	kfree(chip);
diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c
index d9fd8785da4..e73f3f5252a 100644
--- a/drivers/mfd/max8925-i2c.c
+++ b/drivers/mfd/max8925-i2c.c
@@ -173,8 +173,6 @@ static int __devexit max8925_remove(struct i2c_client *client)
 	max8925_device_exit(chip);
 	i2c_unregister_device(chip->adc);
 	i2c_unregister_device(chip->rtc);
-	i2c_set_clientdata(chip->adc, NULL);
-	i2c_set_clientdata(chip->rtc, NULL);
 	i2c_set_clientdata(chip->i2c, NULL);
 	kfree(chip);
 	return 0;

From ae9f52f05c8223c8b4e18b042febf7a7bb46332a Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Thu, 20 May 2010 10:39:00 +0200
Subject: [PATCH 3553/3638] mfd: Storage class for timberdale should be before
 const qualifier

The C99 specification states in section 6.11.5:

The placement of a storage-class specifier other than at the beginning
of the declaration specifiers in a declaration is an obsolescent
feature.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/timberdale.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c
index 2d4691acd03..ac5995026c8 100644
--- a/drivers/mfd/timberdale.c
+++ b/drivers/mfd/timberdale.c
@@ -86,7 +86,7 @@ timberdale_ocores_platform_data = {
 	.num_devices = ARRAY_SIZE(timberdale_i2c_board_info)
 };
 
-const static __devinitconst struct resource timberdale_xiic_resources[] = {
+static const __devinitconst struct resource timberdale_xiic_resources[] = {
 	{
 		.start	= XIICOFFSET,
 		.end	= XIICEND,
@@ -99,7 +99,7 @@ const static __devinitconst struct resource timberdale_xiic_resources[] = {
 	},
 };
 
-const static __devinitconst struct resource timberdale_ocores_resources[] = {
+static const __devinitconst struct resource timberdale_ocores_resources[] = {
 	{
 		.start	= OCORESOFFSET,
 		.end	= OCORESEND,
@@ -148,7 +148,7 @@ static __devinitdata struct xspi_platform_data timberdale_xspi_platform_data = {
 	 */
 };
 
-const static __devinitconst struct resource timberdale_spi_resources[] = {
+static const __devinitconst struct resource timberdale_spi_resources[] = {
 	{
 		.start 	= SPIOFFSET,
 		.end	= SPIEND,
@@ -161,7 +161,7 @@ const static __devinitconst struct resource timberdale_spi_resources[] = {
 	},
 };
 
-const static __devinitconst struct resource timberdale_eth_resources[] = {
+static const __devinitconst struct resource timberdale_eth_resources[] = {
 	{
 		.start	= ETHOFFSET,
 		.end	= ETHEND,
@@ -181,7 +181,7 @@ static __devinitdata struct timbgpio_platform_data
 	.irq_base = 200,
 };
 
-const static __devinitconst struct resource timberdale_gpio_resources[] = {
+static const __devinitconst struct resource timberdale_gpio_resources[] = {
 	{
 		.start	= GPIOOFFSET,
 		.end	= GPIOEND,
@@ -194,7 +194,7 @@ const static __devinitconst struct resource timberdale_gpio_resources[] = {
 	},
 };
 
-const static __devinitconst struct resource timberdale_mlogicore_resources[] = {
+static const __devinitconst struct resource timberdale_mlogicore_resources[] = {
 	{
 		.start	= MLCOREOFFSET,
 		.end	= MLCOREEND,
@@ -212,7 +212,7 @@ const static __devinitconst struct resource timberdale_mlogicore_resources[] = {
 	},
 };
 
-const static __devinitconst struct resource timberdale_uart_resources[] = {
+static const __devinitconst struct resource timberdale_uart_resources[] = {
 	{
 		.start	= UARTOFFSET,
 		.end	= UARTEND,
@@ -225,7 +225,7 @@ const static __devinitconst struct resource timberdale_uart_resources[] = {
 	},
 };
 
-const static __devinitconst struct resource timberdale_uartlite_resources[] = {
+static const __devinitconst struct resource timberdale_uartlite_resources[] = {
 	{
 		.start	= UARTLITEOFFSET,
 		.end	= UARTLITEEND,
@@ -238,7 +238,7 @@ const static __devinitconst struct resource timberdale_uartlite_resources[] = {
 	},
 };
 
-const static __devinitconst struct resource timberdale_radio_resources[] = {
+static const __devinitconst struct resource timberdale_radio_resources[] = {
 	{
 		.start	= RDSOFFSET,
 		.end	= RDSEND,
@@ -331,7 +331,7 @@ static __devinitdata struct timb_dma_platform_data timb_dma_platform_data = {
 	}
 };
 
-const static __devinitconst struct resource timberdale_dma_resources[] = {
+static const __devinitconst struct resource timberdale_dma_resources[] = {
 	{
 		.start	= DMAOFFSET,
 		.end	= DMAEND,

From 191211f50f35deb5b3b80bc7b620cfd4b0a4a2d9 Mon Sep 17 00:00:00 2001
From: Ilkka Koskinen <ilkka.koskinen@nokia.com>
Date: Thu, 20 May 2010 13:04:20 +0300
Subject: [PATCH 3554/3638] mfd: Rename twl5031 sih modules

Fix the names of twl5031 specific sih modules to match
the documentation.

Signed-off-by: Ilkka Koskinen <ilkka.koskinen@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/twl4030-irq.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index 202bdd59632..097f24d8bce 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -232,10 +232,11 @@ static const struct sih sih_modules_twl5031[8] = {
 	},
 	[6] = {
 		/*
-		 * ACI doesn't use the same SIH organization.
-		 * For example, it supports only one interrupt line
+		 * ECI/DBI doesn't use the same SIH organization.
+		 * For example, it supports only one interrupt output line.
+		 * That is, the interrupts are seen on both INT1 and INT2 lines.
 		 */
-		.name		= "aci",
+		.name		= "eci_dbi",
 		.module		= TWL5031_MODULE_ACCESSORY,
 		.bits		= 9,
 		.bytes_ixr	= 2,
@@ -247,8 +248,8 @@ static const struct sih sih_modules_twl5031[8] = {
 
 	},
 	[7] = {
-		/* Accessory */
-		.name		= "acc",
+		/* Audio accessory */
+		.name		= "audio",
 		.module		= TWL5031_MODULE_ACCESSORY,
 		.control_offset	= TWL5031_ACCSIHCTRL,
 		.bits		= 2,

From 752138df0dc2daaae09379c754caeb08c97905dc Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Sat, 22 May 2010 16:57:26 -0400
Subject: [PATCH 3555/3638] cpuidle: make cpuidle_curr_driver static

cpuidle_register_driver() sets cpuidle_curr_driver
cpuidle_unregister_driver() clears cpuidle_curr_driver

We should't expose cpuidle_curr_driver to
potential modification except via these interfaces.
So make it static and create cpuidle_get_driver() to observe it.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/cpuidle/cpuidle.c | 12 +++++++-----
 drivers/cpuidle/cpuidle.h |  1 -
 drivers/cpuidle/driver.c  | 11 ++++++++++-
 drivers/cpuidle/sysfs.c   |  5 +++--
 include/linux/cpuidle.h   |  2 ++
 5 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 12fdd3987a3..199488576a0 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -156,7 +156,7 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
 
 	if (dev->enabled)
 		return 0;
-	if (!cpuidle_curr_driver || !cpuidle_curr_governor)
+	if (!cpuidle_get_driver() || !cpuidle_curr_governor)
 		return -EIO;
 	if (!dev->state_count)
 		return -EINVAL;
@@ -207,7 +207,7 @@ void cpuidle_disable_device(struct cpuidle_device *dev)
 {
 	if (!dev->enabled)
 		return;
-	if (!cpuidle_curr_driver || !cpuidle_curr_governor)
+	if (!cpuidle_get_driver() || !cpuidle_curr_governor)
 		return;
 
 	dev->enabled = 0;
@@ -271,10 +271,11 @@ static int __cpuidle_register_device(struct cpuidle_device *dev)
 {
 	int ret;
 	struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
+	struct cpuidle_driver *cpuidle_driver = cpuidle_get_driver();
 
 	if (!sys_dev)
 		return -EINVAL;
-	if (!try_module_get(cpuidle_curr_driver->owner))
+	if (!try_module_get(cpuidle_driver->owner))
 		return -EINVAL;
 
 	init_completion(&dev->kobj_unregister);
@@ -284,7 +285,7 @@ static int __cpuidle_register_device(struct cpuidle_device *dev)
 	per_cpu(cpuidle_devices, dev->cpu) = dev;
 	list_add(&dev->device_list, &cpuidle_detected_devices);
 	if ((ret = cpuidle_add_sysfs(sys_dev))) {
-		module_put(cpuidle_curr_driver->owner);
+		module_put(cpuidle_driver->owner);
 		return ret;
 	}
 
@@ -325,6 +326,7 @@ EXPORT_SYMBOL_GPL(cpuidle_register_device);
 void cpuidle_unregister_device(struct cpuidle_device *dev)
 {
 	struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
+	struct cpuidle_driver *cpuidle_driver = cpuidle_get_driver();
 
 	if (dev->registered == 0)
 		return;
@@ -340,7 +342,7 @@ void cpuidle_unregister_device(struct cpuidle_device *dev)
 
 	cpuidle_resume_and_unlock();
 
-	module_put(cpuidle_curr_driver->owner);
+	module_put(cpuidle_driver->owner);
 }
 
 EXPORT_SYMBOL_GPL(cpuidle_unregister_device);
diff --git a/drivers/cpuidle/cpuidle.h b/drivers/cpuidle/cpuidle.h
index 9476ba33ee2..33e50d556f1 100644
--- a/drivers/cpuidle/cpuidle.h
+++ b/drivers/cpuidle/cpuidle.h
@@ -9,7 +9,6 @@
 
 /* For internal use only */
 extern struct cpuidle_governor *cpuidle_curr_governor;
-extern struct cpuidle_driver *cpuidle_curr_driver;
 extern struct list_head cpuidle_governors;
 extern struct list_head cpuidle_detected_devices;
 extern struct mutex cpuidle_lock;
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 826b5c0aa12..fd1601e3d12 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -14,7 +14,7 @@
 
 #include "cpuidle.h"
 
-struct cpuidle_driver *cpuidle_curr_driver;
+static struct cpuidle_driver *cpuidle_curr_driver;
 DEFINE_SPINLOCK(cpuidle_driver_lock);
 
 /**
@@ -39,6 +39,15 @@ int cpuidle_register_driver(struct cpuidle_driver *drv)
 
 EXPORT_SYMBOL_GPL(cpuidle_register_driver);
 
+/**
+ * cpuidle_get_driver - return the current driver
+ */
+struct cpuidle_driver *cpuidle_get_driver(void)
+{
+	return cpuidle_curr_driver;
+}
+EXPORT_SYMBOL_GPL(cpuidle_get_driver);
+
 /**
  * cpuidle_unregister_driver - unregisters a driver
  * @drv: the driver
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index 0ba9c8b8ee7..0310ffaec9d 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -47,10 +47,11 @@ static ssize_t show_current_driver(struct sysdev_class *class,
 				   char *buf)
 {
 	ssize_t ret;
+	struct cpuidle_driver *cpuidle_driver = cpuidle_get_driver();
 
 	spin_lock(&cpuidle_driver_lock);
-	if (cpuidle_curr_driver)
-		ret = sprintf(buf, "%s\n", cpuidle_curr_driver->name);
+	if (cpuidle_driver)
+		ret = sprintf(buf, "%s\n", cpuidle_driver->name);
 	else
 		ret = sprintf(buf, "none\n");
 	spin_unlock(&cpuidle_driver_lock);
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index f5e6480dc16..55215cce500 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -125,6 +125,7 @@ struct cpuidle_driver {
 #ifdef CONFIG_CPU_IDLE
 
 extern int cpuidle_register_driver(struct cpuidle_driver *drv);
+struct cpuidle_driver *cpuidle_get_driver(void);
 extern void cpuidle_unregister_driver(struct cpuidle_driver *drv);
 extern int cpuidle_register_device(struct cpuidle_device *dev);
 extern void cpuidle_unregister_device(struct cpuidle_device *dev);
@@ -138,6 +139,7 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev);
 
 static inline int cpuidle_register_driver(struct cpuidle_driver *drv)
 {return -ENODEV; }
+static inline struct cpuidle_driver *cpuidle_get_driver(void) {return NULL; }
 static inline void cpuidle_unregister_driver(struct cpuidle_driver *drv) { }
 static inline int cpuidle_register_device(struct cpuidle_device *dev)
 {return -ENODEV; }

From 541adf7cd937b3895c7645406a9b060504df453b Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Sat, 22 May 2010 17:03:29 -0400
Subject: [PATCH 3556/3638] ACPI: allow a native cpuidle driver to displace
 ACPI

The ACPI driver would fail probe when it found that
another driver had previously registered with cpuidle.

But this is a natural situation, as a native hardware
cpuidle driver should be able to bind instead of ACPI,
and the ACPI processor driver should be able to handle
yielding control of C-states while still handling
P-states and T-states.

Add a KERN_DEBUG line showing when acpi_idle
does successfully register.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/processor_driver.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 5675d9747e8..deefa859174 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -616,7 +616,8 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
 	acpi_processor_get_limit_info(pr);
 
 
-	acpi_processor_power_init(pr, device);
+	if (cpuidle_get_driver() == &acpi_idle_driver)
+		acpi_processor_power_init(pr, device);
 
 	pr->cdev = thermal_cooling_device_register("Processor", device,
 						&processor_cooling_ops);
@@ -920,9 +921,10 @@ static int __init acpi_processor_init(void)
 	if (!acpi_processor_dir)
 		return -ENOMEM;
 #endif
-	result = cpuidle_register_driver(&acpi_idle_driver);
-	if (result < 0)
-		goto out_proc;
+
+	if (!cpuidle_register_driver(&acpi_idle_driver))
+		printk(KERN_DEBUG "ACPI: %s registered with cpuidle\n",
+			acpi_idle_driver.name);
 
 	result = acpi_bus_register_driver(&acpi_processor_driver);
 	if (result < 0)
@@ -941,7 +943,6 @@ static int __init acpi_processor_init(void)
 out_cpuidle:
 	cpuidle_unregister_driver(&acpi_idle_driver);
 
-out_proc:
 #ifdef CONFIG_ACPI_PROCFS
 	remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
 #endif

From e45b7fa23097332508730123ac6d59227e7bd7f8 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Mon, 24 May 2010 11:34:36 -0400
Subject: [PATCH 3557/3638] sched: clarify commment for TS_POLLING

TS_POLLING set tells the scheduler an idle_task will poll
need_resched() to look for work.

TS_POLLING clear tells resched_task() and wake_up_idle_cpu()
that the remote CPU's idle_task is now sleeping in idle,
and thus requires a reschedule interrupt notice work.

Update the description of TS_POLLING to reflect how it works.
"idle task polling need_resched, skip sending interrupt"

Wordsmithing-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
---
 arch/x86/include/asm/thread_info.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index e0d28901e96..812186919bb 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -241,8 +241,8 @@ static inline struct thread_info *current_thread_info(void)
 #define TS_USEDFPU		0x0001	/* FPU was used by this task
 					   this quantum (SMP) */
 #define TS_COMPAT		0x0002	/* 32bit syscall active (64BIT)*/
-#define TS_POLLING		0x0004	/* true if in idle loop
-					   and not sleeping */
+#define TS_POLLING		0x0004	/* idle task polling need_resched,
+					   skip sending interrupt */
 #define TS_RESTORE_SIGMASK	0x0008	/* restore signal mask in do_signal() */
 #define TS_XSAVE		0x0010	/* Use xsave/xrstor */
 

From a7d27c37533524e23bbdc9ba1d78e3241b7483ea Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Mon, 24 May 2010 11:41:00 -0400
Subject: [PATCH 3558/3638] acpi_pad: uses MONITOR/MWAIT, so it doesn't need to
 clear TS_POLLING

api_pad exclusively uses MONITOR/MWAIT to sleep in idle,
so it does not need the wakeup IPI during idle sleep
that is provoked by clearing TS_POLLING.

Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Shaohua Li <shaohua.li@intel.com>
---
 drivers/acpi/acpi_pad.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 62122134693..7edf053983c 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -168,13 +168,6 @@ static int power_saving_thread(void *data)
 
 		do_sleep = 0;
 
-		current_thread_info()->status &= ~TS_POLLING;
-		/*
-		 * TS_POLLING-cleared state must be visible before we test
-		 * NEED_RESCHED:
-		 */
-		smp_mb();
-
 		expire_time = jiffies + HZ * (100 - idle_pct) / 100;
 
 		while (!need_resched()) {
@@ -200,8 +193,6 @@ static int power_saving_thread(void *data)
 			}
 		}
 
-		current_thread_info()->status |= TS_POLLING;
-
 		/*
 		 * current sched_rt has threshold for rt task running time.
 		 * When a rt task uses 95% CPU time, the rt thread will be

From 1eb2cbb6d5efe129cd006691267ce513c0aa59da Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 27 May 2010 11:11:06 -0400
Subject: [PATCH 3559/3638] Revert "anon_inode: set S_IFREG on the anon_inode"

This reverts commit a7cf4145bb86aaf85d4d4d29a69b50b688e2e49d.
---
 fs/anon_inodes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 9bd4b3876c9..e4b75d6eda8 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -205,7 +205,7 @@ static struct inode *anon_inode_mkinode(void)
 	 * that it already _is_ on the dirty list.
 	 */
 	inode->i_state = I_DIRTY;
-	inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
+	inode->i_mode = S_IRUSR | S_IWUSR;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
 	inode->i_flags |= S_PRIVATE;

From 176306f59ac7a35369cbba87aff13e14c5916074 Mon Sep 17 00:00:00 2001
From: Neil Brown <neilb@suse.de>
Date: Mon, 24 May 2010 16:57:56 +1000
Subject: [PATCH 3560/3638] VFS: fix recent breakage of FS_REVAL_DOT

Commit 1f36f774b22a0ceb7dd33eca626746c81a97b6a5 broke FS_REVAL_DOT semantics.

In particular, before this patch, the command
   ls -l
in an NFS mounted directory would always check if the directory on the server
had changed and if so would flush and refill the pagecache for the dir.
After this patch, the same "ls -l" will repeatedly return stale date until
the cached attributes for the directory time out.

The following patch fixes this by ensuring the d_revalidate is called by
do_last when "." is being looked-up.
link_path_walk has already called d_revalidate, but in that case LOOKUP_OPEN
is not set so nfs_lookup_verify_inode chooses not to do any validation.

The following patch restores the original behaviour.

Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/namei.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index 48e1f60520e..868d0cb9d47 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1621,6 +1621,7 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
 	case LAST_DOTDOT:
 		follow_dotdot(nd);
 		dir = nd->path.dentry;
+	case LAST_DOT:
 		if (nd->path.mnt->mnt_sb->s_type->fs_flags & FS_REVAL_DOT) {
 			if (!dir->d_op->d_revalidate(dir, nd)) {
 				error = -ESTALE;
@@ -1628,7 +1629,6 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
 			}
 		}
 		/* fallthrough */
-	case LAST_DOT:
 	case LAST_ROOT:
 		if (open_flag & O_CREAT)
 			goto exit;

From d7065da038227a4d09a244e6014e0186a6bd21d0 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 26 May 2010 15:13:55 -0400
Subject: [PATCH 3561/3638] get rid of the magic around f_count in aio

__aio_put_req() plays sick games with file refcount.  What
it wants is fput() from atomic context; it's almost always
done with f_count > 1, so they only have to deal with delayed
work in rare cases when their reference happens to be the
last one.  Current code decrements f_count and if it hasn't
hit 0, everything is fine.  Otherwise it keeps a pointer
to struct file (with zero f_count!) around and has delayed
work do __fput() on it.

Better way to do it: use atomic_long_add_unless( , -1, 1)
instead of !atomic_long_dec_and_test().  IOW, decrement it
only if it's not the last reference, leave refcount alone
if it was.  And use normal fput() in delayed work.

I've made that atomic_long_add_unless call a new helper -
fput_atomic().  Drops a reference to file if it's safe to
do in atomic (i.e. if that's not the last one), tells if
it had been able to do that.  aio.c converted to it, __fput()
use is gone.  req->ki_file *always* contributes to refcount
now.  And __fput() became static.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/aio.c             |  6 +++---
 fs/file_table.c      | 21 ++++++++++-----------
 include/linux/file.h |  1 -
 include/linux/fs.h   |  1 +
 4 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 48fdeebdb54..1ccf25cef1f 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -527,7 +527,7 @@ static void aio_fput_routine(struct work_struct *data)
 
 		/* Complete the fput(s) */
 		if (req->ki_filp != NULL)
-			__fput(req->ki_filp);
+			fput(req->ki_filp);
 
 		/* Link the iocb into the context's free list */
 		spin_lock_irq(&ctx->ctx_lock);
@@ -560,11 +560,11 @@ static int __aio_put_req(struct kioctx *ctx, struct kiocb *req)
 
 	/*
 	 * Try to optimize the aio and eventfd file* puts, by avoiding to
-	 * schedule work in case it is not __fput() time. In normal cases,
+	 * schedule work in case it is not final fput() time. In normal cases,
 	 * we would not be holding the last reference to the file*, so
 	 * this function will be executed w/out any aio kthread wakeup.
 	 */
-	if (unlikely(atomic_long_dec_and_test(&req->ki_filp->f_count))) {
+	if (unlikely(!fput_atomic(req->ki_filp))) {
 		get_ioctx(ctx);
 		spin_lock(&fput_lock);
 		list_add(&req->ki_list, &fput_head);
diff --git a/fs/file_table.c b/fs/file_table.c
index 32d12b78bac..5c7d10ead4a 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -194,14 +194,6 @@ struct file *alloc_file(struct path *path, fmode_t mode,
 }
 EXPORT_SYMBOL(alloc_file);
 
-void fput(struct file *file)
-{
-	if (atomic_long_dec_and_test(&file->f_count))
-		__fput(file);
-}
-
-EXPORT_SYMBOL(fput);
-
 /**
  * drop_file_write_access - give up ability to write to a file
  * @file: the file to which we will stop writing
@@ -227,10 +219,9 @@ void drop_file_write_access(struct file *file)
 }
 EXPORT_SYMBOL_GPL(drop_file_write_access);
 
-/* __fput is called from task context when aio completion releases the last
- * last use of a struct file *.  Do not use otherwise.
+/* the real guts of fput() - releasing the last reference to file
  */
-void __fput(struct file *file)
+static void __fput(struct file *file)
 {
 	struct dentry *dentry = file->f_path.dentry;
 	struct vfsmount *mnt = file->f_path.mnt;
@@ -268,6 +259,14 @@ void __fput(struct file *file)
 	mntput(mnt);
 }
 
+void fput(struct file *file)
+{
+	if (atomic_long_dec_and_test(&file->f_count))
+		__fput(file);
+}
+
+EXPORT_SYMBOL(fput);
+
 struct file *fget(unsigned int fd)
 {
 	struct file *file;
diff --git a/include/linux/file.h b/include/linux/file.h
index 5555508fd51..b1e12970f61 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -11,7 +11,6 @@
 
 struct file;
 
-extern void __fput(struct file *);
 extern void fput(struct file *);
 extern void drop_file_write_access(struct file *file);
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 85e823adcd4..3d9ed830240 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -954,6 +954,7 @@ extern spinlock_t files_lock;
 #define file_list_unlock() spin_unlock(&files_lock);
 
 #define get_file(x)	atomic_long_inc(&(x)->f_count)
+#define fput_atomic(x)	atomic_long_add_unless(&(x)->f_count, -1, 1)
 #define file_count(x)	atomic_long_read(&(x)->f_count)
 
 #ifdef CONFIG_DEBUG_WRITECOUNT

From ea635c64e007061f6468ece5cc9cc62d41d4ecf2 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 26 May 2010 17:40:29 -0400
Subject: [PATCH 3562/3638] Fix racy use of anon_inode_getfd() in perf_event.c

once anon_inode_getfd() is called, you can't expect *anything* about
struct file that descriptor points to - another thread might be doing
whatever it likes with descriptor table at that point.

Cc: stable <stable@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 kernel/perf_event.c | 44 ++++++++++++++++++++++++--------------------
 1 file changed, 24 insertions(+), 20 deletions(-)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index e099650cd24..bd7ce8ca5bb 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4999,8 +4999,8 @@ SYSCALL_DEFINE5(perf_event_open,
 	struct perf_event_context *ctx;
 	struct file *event_file = NULL;
 	struct file *group_file = NULL;
+	int event_fd;
 	int fput_needed = 0;
-	int fput_needed2 = 0;
 	int err;
 
 	/* for future expandability... */
@@ -5021,12 +5021,18 @@ SYSCALL_DEFINE5(perf_event_open,
 			return -EINVAL;
 	}
 
+	event_fd = get_unused_fd_flags(O_RDWR);
+	if (event_fd < 0)
+		return event_fd;
+
 	/*
 	 * Get the target context (task or percpu):
 	 */
 	ctx = find_get_context(pid, cpu);
-	if (IS_ERR(ctx))
-		return PTR_ERR(ctx);
+	if (IS_ERR(ctx)) {
+		err = PTR_ERR(ctx);
+		goto err_fd;
+	}
 
 	/*
 	 * Look up the group leader (we will attach this event to it):
@@ -5066,13 +5072,11 @@ SYSCALL_DEFINE5(perf_event_open,
 	if (IS_ERR(event))
 		goto err_put_context;
 
-	err = anon_inode_getfd("[perf_event]", &perf_fops, event, O_RDWR);
-	if (err < 0)
-		goto err_free_put_context;
-
-	event_file = fget_light(err, &fput_needed2);
-	if (!event_file)
+	event_file = anon_inode_getfile("[perf_event]", &perf_fops, event, O_RDWR);
+	if (IS_ERR(event_file)) {
+		err = PTR_ERR(event_file);
 		goto err_free_put_context;
+	}
 
 	if (flags & PERF_FLAG_FD_OUTPUT) {
 		err = perf_event_set_output(event, group_fd);
@@ -5093,19 +5097,19 @@ SYSCALL_DEFINE5(perf_event_open,
 	list_add_tail(&event->owner_entry, &current->perf_event_list);
 	mutex_unlock(&current->perf_event_mutex);
 
-err_fput_free_put_context:
-	fput_light(event_file, fput_needed2);
-
-err_free_put_context:
-	if (err < 0)
-		free_event(event);
-
-err_put_context:
-	if (err < 0)
-		put_ctx(ctx);
-
 	fput_light(group_file, fput_needed);
+	fd_install(event_fd, event_file);
+	return event_fd;
 
+err_fput_free_put_context:
+	fput(event_file);
+err_free_put_context:
+	free_event(event);
+err_put_context:
+	fput_light(group_file, fput_needed);
+	put_ctx(ctx);
+err_fd:
+	put_unused_fd(event_fd);
 	return err;
 }
 

From cc967be54710d97c05229b2e5ba2d00df84ddd64 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 26 May 2010 17:54:39 +0200
Subject: [PATCH 3563/3638] fs: Add missing mutex_unlock

Add a mutex_unlock missing on the error path.  At other exists from the
function that return an error flag, the mutex is unlocked, so do the same
here.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E1;
@@

* mutex_lock(E1,...);
  <+... when != E1
  if (...) {
    ... when != E1
*   return ...;
  }
  ...+>
* mutex_unlock(E1,...);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/pipe.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/fs/pipe.c b/fs/pipe.c
index d79872eba09..60da077400f 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -1169,14 +1169,18 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
 
 	switch (cmd) {
 	case F_SETPIPE_SZ:
-		if (!capable(CAP_SYS_ADMIN) && arg > pipe_max_pages)
-			return -EINVAL;
+		if (!capable(CAP_SYS_ADMIN) && arg > pipe_max_pages) {
+			ret = -EINVAL;
+			goto out;
+		}
 		/*
 		 * The pipe needs to be at least 2 pages large to
 		 * guarantee POSIX behaviour.
 		 */
-		if (arg < 2)
-			return -EINVAL;
+		if (arg < 2) {
+			ret = -EINVAL;
+			goto out;
+		}
 		ret = pipe_set_size(pipe, arg);
 		break;
 	case F_GETPIPE_SZ:
@@ -1187,6 +1191,7 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
 		break;
 	}
 
+out:
 	mutex_unlock(&pipe->inode->i_mutex);
 	return ret;
 }

From 7ea8085910ef3dd4f3cad6845aaa2b580d39b115 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 26 May 2010 17:53:25 +0200
Subject: [PATCH 3564/3638] drop unused dentry argument to ->fsync

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 Documentation/filesystems/Locking        |  2 +-
 Documentation/filesystems/vfs.txt        |  2 +-
 arch/powerpc/platforms/cell/spufs/file.c |  3 +--
 drivers/char/ps3flash.c                  |  3 +--
 drivers/mtd/ubi/cdev.c                   |  3 +--
 drivers/staging/pohmelfs/inode.c         |  2 +-
 drivers/usb/gadget/printer.c             |  2 +-
 drivers/video/fb_defio.c                 |  2 +-
 fs/9p/vfs_file.c                         |  6 ++----
 fs/affs/affs.h                           |  2 +-
 fs/affs/file.c                           |  4 ++--
 fs/afs/internal.h                        |  2 +-
 fs/afs/write.c                           |  3 ++-
 fs/bad_inode.c                           |  3 +--
 fs/block_dev.c                           |  7 +------
 fs/btrfs/ctree.h                         |  2 +-
 fs/btrfs/file.c                          |  3 ++-
 fs/ceph/caps.c                           |  4 ++--
 fs/ceph/dir.c                            |  5 ++---
 fs/ceph/super.h                          |  2 +-
 fs/cifs/cifsfs.h                         |  2 +-
 fs/cifs/file.c                           |  4 ++--
 fs/coda/coda_int.h                       |  3 +--
 fs/coda/file.c                           |  4 ++--
 fs/ecryptfs/file.c                       |  2 +-
 fs/exofs/file.c                          |  7 +++----
 fs/ext2/ext2.h                           |  2 +-
 fs/ext2/file.c                           |  6 +++---
 fs/ext3/fsync.c                          |  4 ++--
 fs/ext4/ext4.h                           |  2 +-
 fs/ext4/fsync.c                          |  8 ++++----
 fs/fat/fat.h                             |  3 +--
 fs/fat/file.c                            |  6 +++---
 fs/fuse/dir.c                            |  5 ++---
 fs/fuse/file.c                           |  9 ++++-----
 fs/fuse/fuse_i.h                         |  3 +--
 fs/gfs2/file.c                           |  4 ++--
 fs/hostfs/hostfs_kern.c                  |  4 ++--
 fs/hpfs/file.c                           |  4 ++--
 fs/hpfs/hpfs_fn.h                        |  2 +-
 fs/hppfs/hppfs.c                         |  2 +-
 fs/jffs2/file.c                          |  4 ++--
 fs/jffs2/os-linux.h                      |  2 +-
 fs/jfs/file.c                            |  4 ++--
 fs/jfs/jfs_inode.h                       |  2 +-
 fs/libfs.c                               |  6 +++---
 fs/logfs/file.c                          |  4 ++--
 fs/logfs/logfs.h                         |  2 +-
 fs/ncpfs/file.c                          |  2 +-
 fs/nfs/dir.c                             |  6 ++++--
 fs/nfs/file.c                            |  5 +++--
 fs/nilfs2/file.c                         |  4 ++--
 fs/nilfs2/nilfs.h                        |  2 +-
 fs/ntfs/dir.c                            |  5 ++---
 fs/ntfs/file.c                           |  9 ++-------
 fs/ocfs2/file.c                          |  7 +++----
 fs/reiserfs/dir.c                        |  8 +++-----
 fs/reiserfs/file.c                       |  5 ++---
 fs/smbfs/file.c                          |  3 ++-
 fs/sync.c                                |  8 +++-----
 fs/ubifs/file.c                          |  4 ++--
 fs/ubifs/ubifs.h                         |  2 +-
 fs/xfs/linux-2.6/xfs_file.c              | 10 +++++-----
 include/linux/buffer_head.h              |  2 +-
 include/linux/ext3_fs.h                  |  2 +-
 include/linux/fb.h                       |  5 +----
 include/linux/fs.h                       |  8 ++++----
 include/trace/events/ext4.h              |  6 ++++--
 ipc/shm.c                                | 11 ++++-------
 69 files changed, 129 insertions(+), 157 deletions(-)

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 61c98f03baa..96d4293607e 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -380,7 +380,7 @@ prototypes:
 	int (*open) (struct inode *, struct file *);
 	int (*flush) (struct file *);
 	int (*release) (struct inode *, struct file *);
-	int (*fsync) (struct file *, struct dentry *, int datasync);
+	int (*fsync) (struct file *, int datasync);
 	int (*aio_fsync) (struct kiocb *, int datasync);
 	int (*fasync) (int, struct file *, int);
 	int (*lock) (struct file *, int, struct file_lock *);
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index b66858538df..d4f5731dcbb 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -729,7 +729,7 @@ struct file_operations {
 	int (*open) (struct inode *, struct file *);
 	int (*flush) (struct file *);
 	int (*release) (struct inode *, struct file *);
-	int (*fsync) (struct file *, struct dentry *, int datasync);
+	int (*fsync) (struct file *, int datasync);
 	int (*aio_fsync) (struct kiocb *, int datasync);
 	int (*fasync) (int, struct file *, int);
 	int (*lock) (struct file *, int, struct file_lock *);
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 5c280825251..1a40da92154 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -1849,8 +1849,7 @@ out:
 	return ret;
 }
 
-static int spufs_mfc_fsync(struct file *file, struct dentry *dentry,
-			   int datasync)
+static int spufs_mfc_fsync(struct file *file, int datasync)
 {
 	return spufs_mfc_flush(file, NULL);
 }
diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c
index 606048b72bc..85c004a518e 100644
--- a/drivers/char/ps3flash.c
+++ b/drivers/char/ps3flash.c
@@ -305,8 +305,7 @@ static int ps3flash_flush(struct file *file, fl_owner_t id)
 	return ps3flash_writeback(ps3flash_dev);
 }
 
-static int ps3flash_fsync(struct file *file, struct dentry *dentry,
-			  int datasync)
+static int ps3flash_fsync(struct file *file, int datasync)
 {
 	return ps3flash_writeback(ps3flash_dev);
 }
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 72ebb3f06b8..4dfa6b90c21 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -189,8 +189,7 @@ static loff_t vol_cdev_llseek(struct file *file, loff_t offset, int origin)
 	return new_offset;
 }
 
-static int vol_cdev_fsync(struct file *file, struct dentry *dentry,
-			  int datasync)
+static int vol_cdev_fsync(struct file *file, int datasync)
 {
 	struct ubi_volume_desc *desc = file->private_data;
 	struct ubi_device *ubi = desc->vol->ubi;
diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
index 9286e863b0e..e92595eff1b 100644
--- a/drivers/staging/pohmelfs/inode.c
+++ b/drivers/staging/pohmelfs/inode.c
@@ -880,7 +880,7 @@ static struct inode *pohmelfs_alloc_inode(struct super_block *sb)
 /*
  * We want fsync() to work on POHMELFS.
  */
-static int pohmelfs_fsync(struct file *file, struct dentry *dentry, int datasync)
+static int pohmelfs_fsync(struct file *file, int datasync)
 {
 	struct inode *inode = file->f_mapping->host;
 	struct writeback_control wbc = {
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 6b8bf8c781c..43abf55d8c6 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -794,7 +794,7 @@ printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 }
 
 static int
-printer_fsync(struct file *fd, struct dentry *dentry, int datasync)
+printer_fsync(struct file *fd, int datasync)
 {
 	struct printer_dev	*dev = fd->private_data;
 	unsigned long		flags;
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index 1105a591dcc..073c9b408cf 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -66,7 +66,7 @@ static int fb_deferred_io_fault(struct vm_area_struct *vma,
 	return 0;
 }
 
-int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, int datasync)
+int fb_deferred_io_fsync(struct file *file, int datasync)
 {
 	struct fb_info *info = file->private_data;
 
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 25b300e1c9d..2bedc6c94fc 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -257,15 +257,13 @@ v9fs_file_write(struct file *filp, const char __user * data,
 	return total;
 }
 
-static int v9fs_file_fsync(struct file *filp, struct dentry *dentry,
-					int datasync)
+static int v9fs_file_fsync(struct file *filp, int datasync)
 {
 	struct p9_fid *fid;
 	struct p9_wstat wstat;
 	int retval;
 
-	P9_DPRINTK(P9_DEBUG_VFS, "filp %p dentry %p datasync %x\n", filp,
-						dentry, datasync);
+	P9_DPRINTK(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync);
 
 	fid = filp->private_data;
 	v9fs_blank_wstat(&wstat);
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 861dae68ac1..f05b6155ccc 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -183,7 +183,7 @@ extern int			 affs_add_entry(struct inode *dir, struct inode *inode, struct dent
 
 void		affs_free_prealloc(struct inode *inode);
 extern void	affs_truncate(struct inode *);
-int		affs_file_fsync(struct file *, struct dentry *, int);
+int		affs_file_fsync(struct file *, int);
 
 /* dir.c */
 
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 184e55c1c9b..322710c3eed 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -916,9 +916,9 @@ affs_truncate(struct inode *inode)
 	affs_free_prealloc(inode);
 }
 
-int affs_file_fsync(struct file *filp, struct dentry *dentry, int datasync)
+int affs_file_fsync(struct file *filp, int datasync)
 {
-	struct inode * inode = dentry->d_inode;
+	struct inode *inode = filp->f_mapping->host;
 	int ret, err;
 
 	ret = write_inode_now(inode, 0);
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 807f284cc75..5f679b77ce2 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -740,7 +740,7 @@ extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *);
 extern ssize_t afs_file_write(struct kiocb *, const struct iovec *,
 			      unsigned long, loff_t);
 extern int afs_writeback_all(struct afs_vnode *);
-extern int afs_fsync(struct file *, struct dentry *, int);
+extern int afs_fsync(struct file *, int);
 
 
 /*****************************************************************************/
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 3bed54a294d..3dab9e9948d 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -701,8 +701,9 @@ int afs_writeback_all(struct afs_vnode *vnode)
  * - the return status from this call provides a reliable indication of
  *   whether any write errors occurred for this process.
  */
-int afs_fsync(struct file *file, struct dentry *dentry, int datasync)
+int afs_fsync(struct file *file, int datasync)
 {
+	struct dentry *dentry = file->f_path.dentry;
 	struct afs_writeback *wb, *xwb;
 	struct afs_vnode *vnode = AFS_FS_I(dentry->d_inode);
 	int ret;
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index a05287a23f6..52e59bf4aa5 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -93,8 +93,7 @@ static int bad_file_release(struct inode *inode, struct file *filp)
 	return -EIO;
 }
 
-static int bad_file_fsync(struct file *file, struct dentry *dentry,
-			int datasync)
+static int bad_file_fsync(struct file *file, int datasync)
 {
 	return -EIO;
 }
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 26e5f502662..d0b37e626a1 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -358,12 +358,7 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin)
 	return retval;
 }
 	
-/*
- *	Filp is never NULL; the only case when ->fsync() is called with
- *	NULL first argument is nfsd_sync_dir() and that's not a directory.
- */
- 
-int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync)
+int blkdev_fsync(struct file *filp, int datasync)
 {
 	struct inode *bd_inode = filp->f_mapping->host;
 	struct block_device *bdev = I_BDEV(bd_inode);
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index e9bf86415e8..29c20092847 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2434,7 +2434,7 @@ void btrfs_update_iflags(struct inode *inode);
 void btrfs_inherit_iflags(struct inode *inode, struct inode *dir);
 
 /* file.c */
-int btrfs_sync_file(struct file *file, struct dentry *dentry, int datasync);
+int btrfs_sync_file(struct file *file, int datasync);
 int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
 			    int skip_pinned);
 int btrfs_check_file(struct btrfs_root *root, struct inode *inode);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 79437c5eeb1..787b50a16a1 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1101,8 +1101,9 @@ int btrfs_release_file(struct inode *inode, struct file *filp)
  * important optimization for directories because holding the mutex prevents
  * new operations on the dir while we write to disk.
  */
-int btrfs_sync_file(struct file *file, struct dentry *dentry, int datasync)
+int btrfs_sync_file(struct file *file, int datasync)
 {
+	struct dentry *dentry = file->f_path.dentry;
 	struct inode *inode = dentry->d_inode;
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	int ret = 0;
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 0dd0b81e64f..ae3e3a30644 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1776,9 +1776,9 @@ out:
 	spin_unlock(&ci->i_unsafe_lock);
 }
 
-int ceph_fsync(struct file *file, struct dentry *dentry, int datasync)
+int ceph_fsync(struct file *file, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	unsigned flush_tid;
 	int ret;
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 4fd30900eff..0057f4a0734 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1107,10 +1107,9 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
  * an fsync() on a dir will wait for any uncommitted directory
  * operations to commit.
  */
-static int ceph_dir_fsync(struct file *file, struct dentry *dentry,
-			  int datasync)
+static int ceph_dir_fsync(struct file *file, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_path.dentry->d_inode;
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct list_head *head = &ci->i_unsafe_dirops;
 	struct ceph_mds_request *req;
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 3725c9ee9d0..dd1e7add656 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -811,7 +811,7 @@ extern void ceph_put_cap(struct ceph_cap *cap);
 
 extern void ceph_queue_caps_release(struct inode *inode);
 extern int ceph_write_inode(struct inode *inode, struct writeback_control *wbc);
-extern int ceph_fsync(struct file *file, struct dentry *dentry, int datasync);
+extern int ceph_fsync(struct file *file, int datasync);
 extern void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
 				    struct ceph_mds_session *session);
 extern int ceph_get_cap_mds(struct inode *inode);
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 0242ff9cbf4..a7eb65c84b1 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -84,7 +84,7 @@ extern ssize_t cifs_user_read(struct file *file, char __user *read_data,
 extern ssize_t cifs_user_write(struct file *file, const char __user *write_data,
 			 size_t write_size, loff_t *poffset);
 extern int cifs_lock(struct file *, int, struct file_lock *);
-extern int cifs_fsync(struct file *, struct dentry *, int);
+extern int cifs_fsync(struct file *, int);
 extern int cifs_flush(struct file *, fl_owner_t id);
 extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
 extern const struct file_operations cifs_dir_ops;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index a83541ec971..f1ff785b229 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1676,7 +1676,7 @@ static int cifs_write_end(struct file *file, struct address_space *mapping,
 	return rc;
 }
 
-int cifs_fsync(struct file *file, struct dentry *dentry, int datasync)
+int cifs_fsync(struct file *file, int datasync)
 {
 	int xid;
 	int rc = 0;
@@ -1688,7 +1688,7 @@ int cifs_fsync(struct file *file, struct dentry *dentry, int datasync)
 	xid = GetXid();
 
 	cFYI(1, "Sync file - name: %s datasync: 0x%x",
-		dentry->d_name.name, datasync);
+		file->f_path.dentry->d_name.name, datasync);
 
 	rc = filemap_write_and_wait(inode->i_mapping);
 	if (rc == 0) {
diff --git a/fs/coda/coda_int.h b/fs/coda/coda_int.h
index d99860a3389..6b443ff43a1 100644
--- a/fs/coda/coda_int.h
+++ b/fs/coda/coda_int.h
@@ -11,8 +11,7 @@ extern int coda_fake_statfs;
 
 void coda_destroy_inodecache(void);
 int coda_init_inodecache(void);
-int coda_fsync(struct file *coda_file, struct dentry *coda_dentry,
-	       int datasync);
+int coda_fsync(struct file *coda_file, int datasync);
 void coda_sysctl_init(void);
 void coda_sysctl_clean(void);
 
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 7196077b168..ad3cd2abeeb 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -202,10 +202,10 @@ int coda_release(struct inode *coda_inode, struct file *coda_file)
 	return 0;
 }
 
-int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync)
+int coda_fsync(struct file *coda_file, int datasync)
 {
 	struct file *host_file;
-	struct inode *coda_inode = coda_dentry->d_inode;
+	struct inode *coda_inode = coda_file->f_path.dentry->d_inode;
 	struct coda_file_info *cfi;
 	int err = 0;
 
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 3bdddbcc785..e8fcf4e2ed7 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -274,7 +274,7 @@ static int ecryptfs_release(struct inode *inode, struct file *file)
 }
 
 static int
-ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync)
+ecryptfs_fsync(struct file *file, int datasync)
 {
 	return vfs_fsync(ecryptfs_file_to_lower(file), datasync);
 }
diff --git a/fs/exofs/file.c b/fs/exofs/file.c
index 839b9dc1e70..fef6899be39 100644
--- a/fs/exofs/file.c
+++ b/fs/exofs/file.c
@@ -40,12 +40,11 @@ static int exofs_release_file(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-static int exofs_file_fsync(struct file *filp, struct dentry *dentry,
-			    int datasync)
+static int exofs_file_fsync(struct file *filp, int datasync)
 {
 	int ret;
 	struct address_space *mapping = filp->f_mapping;
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = mapping->host;
 	struct super_block *sb;
 
 	ret = filemap_write_and_wait(mapping);
@@ -66,7 +65,7 @@ static int exofs_file_fsync(struct file *filp, struct dentry *dentry,
 
 static int exofs_flush(struct file *file, fl_owner_t id)
 {
-	exofs_file_fsync(file, file->f_path.dentry, 1);
+	exofs_file_fsync(file, 1);
 	/* TODO: Flush the OSD target */
 	return 0;
 }
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 0b038e47ad2..8e917b68651 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -155,7 +155,7 @@ extern void ext2_write_super (struct super_block *);
 extern const struct file_operations ext2_dir_operations;
 
 /* file.c */
-extern int ext2_fsync(struct file *file, struct dentry *dentry, int datasync);
+extern int ext2_fsync(struct file *file, int datasync);
 extern const struct inode_operations ext2_file_inode_operations;
 extern const struct file_operations ext2_file_operations;
 extern const struct file_operations ext2_xip_file_operations;
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 5d198d0697f..48bcfc32701 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -40,13 +40,13 @@ static int ext2_release_file (struct inode * inode, struct file * filp)
 	return 0;
 }
 
-int ext2_fsync(struct file *file, struct dentry *dentry, int datasync)
+int ext2_fsync(struct file *file, int datasync)
 {
 	int ret;
-	struct super_block *sb = dentry->d_inode->i_sb;
+	struct super_block *sb = file->f_mapping->host->i_sb;
 	struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
 
-	ret = simple_fsync(file, dentry, datasync);
+	ret = simple_fsync(file, datasync);
 	if (ret == -EIO || test_and_clear_bit(AS_EIO, &mapping->flags)) {
 		/* We don't really know where the IO error happened... */
 		ext2_error(sb, __func__,
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index fcf7487734b..d7e9f74dc3a 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -43,9 +43,9 @@
  * inode to disk.
  */
 
-int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
+int ext3_sync_file(struct file *file, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	struct ext3_inode_info *ei = EXT3_I(inode);
 	journal_t *journal = EXT3_SB(inode->i_sb)->s_journal;
 	int ret, needs_barrier = 0;
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 60bd31026e7..19a4de57128 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1519,7 +1519,7 @@ extern int ext4_htree_store_dirent(struct file *dir_file, __u32 hash,
 extern void ext4_htree_free_dir_info(struct dir_private_info *p);
 
 /* fsync.c */
-extern int ext4_sync_file(struct file *, struct dentry *, int);
+extern int ext4_sync_file(struct file *, int);
 
 /* hash.c */
 extern int ext4fs_dirhash(const char *name, int len, struct
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index b6a74f991bf..40f34520173 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -71,9 +71,9 @@ static void ext4_sync_parent(struct inode *inode)
  * i_mutex lock is held when entering and exiting this function
  */
 
-int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
+int ext4_sync_file(struct file *file, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	struct ext4_inode_info *ei = EXT4_I(inode);
 	journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
 	int ret;
@@ -81,7 +81,7 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
 
 	J_ASSERT(ext4_journal_current_handle() == NULL);
 
-	trace_ext4_sync_file(file, dentry, datasync);
+	trace_ext4_sync_file(file, datasync);
 
 	if (inode->i_sb->s_flags & MS_RDONLY)
 		return 0;
@@ -91,7 +91,7 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
 		return ret;
 
 	if (!journal) {
-		ret = simple_fsync(file, dentry, datasync);
+		ret = simple_fsync(file, datasync);
 		if (!ret && !list_empty(&inode->i_dentry))
 			ext4_sync_parent(inode);
 		return ret;
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 53dba57b49a..a1c8c4b44fd 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -309,8 +309,7 @@ extern int fat_setattr(struct dentry * dentry, struct iattr * attr);
 extern void fat_truncate(struct inode *inode);
 extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
 		       struct kstat *stat);
-extern int fat_file_fsync(struct file *file, struct dentry *dentry,
-			  int datasync);
+extern int fat_file_fsync(struct file *file, int datasync);
 
 /* fat/inode.c */
 extern void fat_attach(struct inode *inode, loff_t i_pos);
diff --git a/fs/fat/file.c b/fs/fat/file.c
index a14c2f6a489..29a57694437 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -149,12 +149,12 @@ static int fat_file_release(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-int fat_file_fsync(struct file *filp, struct dentry *dentry, int datasync)
+int fat_file_fsync(struct file *filp, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = filp->f_mapping->host;
 	int res, err;
 
-	res = simple_fsync(filp, dentry, datasync);
+	res = simple_fsync(filp, datasync);
 	err = sync_mapping_buffers(MSDOS_SB(inode->i_sb)->fat_inode->i_mapping);
 
 	return res ? res : err;
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 4787ae6c5c1..3cdc5f78a40 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1156,10 +1156,9 @@ static int fuse_dir_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static int fuse_dir_fsync(struct file *file, struct dentry *de, int datasync)
+static int fuse_dir_fsync(struct file *file, int datasync)
 {
-	/* nfsd can call this with no file */
-	return file ? fuse_fsync_common(file, de, datasync, 1) : 0;
+	return fuse_fsync_common(file, datasync, 1);
 }
 
 static bool update_mtime(unsigned ivalid)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index a9f5e137f1d..b5fd6f9905e 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -351,10 +351,9 @@ static void fuse_sync_writes(struct inode *inode)
 	fuse_release_nowrite(inode);
 }
 
-int fuse_fsync_common(struct file *file, struct dentry *de, int datasync,
-		      int isdir)
+int fuse_fsync_common(struct file *file, int datasync, int isdir)
 {
-	struct inode *inode = de->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	struct fuse_conn *fc = get_fuse_conn(inode);
 	struct fuse_file *ff = file->private_data;
 	struct fuse_req *req;
@@ -403,9 +402,9 @@ int fuse_fsync_common(struct file *file, struct dentry *de, int datasync,
 	return err;
 }
 
-static int fuse_fsync(struct file *file, struct dentry *de, int datasync)
+static int fuse_fsync(struct file *file, int datasync)
 {
-	return fuse_fsync_common(file, de, datasync, 0);
+	return fuse_fsync_common(file, datasync, 0);
 }
 
 void fuse_read_fill(struct fuse_req *req, struct file *file, loff_t pos,
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 01cc462ff45..2c0d14a8677 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -568,8 +568,7 @@ void fuse_release_common(struct file *file, int opcode);
 /**
  * Send FSYNC or FSYNCDIR request
  */
-int fuse_fsync_common(struct file *file, struct dentry *de, int datasync,
-		      int isdir);
+int fuse_fsync_common(struct file *file, int datasync, int isdir);
 
 /**
  * Notify poll wakeup
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index b20bfcc9fa2..ed9a94f0ef1 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -554,9 +554,9 @@ static int gfs2_close(struct inode *inode, struct file *file)
  * Returns: errno
  */
 
-static int gfs2_fsync(struct file *file, struct dentry *dentry, int datasync)
+static int gfs2_fsync(struct file *file, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC);
 	int ret = 0;
 
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 3a029d8f4cf..87ac1891a18 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -411,9 +411,9 @@ int hostfs_file_open(struct inode *ino, struct file *file)
 	return 0;
 }
 
-int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync)
+int hostfs_fsync(struct file *file, int datasync)
 {
-	return fsync_file(HOSTFS_I(dentry->d_inode)->fd, datasync);
+	return fsync_file(HOSTFS_I(file->f_mapping->host)->fd, datasync);
 }
 
 static const struct file_operations hostfs_file_fops = {
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index 3efabff0036..a9ae9bfa752 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -19,9 +19,9 @@ static int hpfs_file_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-int hpfs_file_fsync(struct file *file, struct dentry *dentry, int datasync)
+int hpfs_file_fsync(struct file *file, int datasync)
 {
-	/*return file_fsync(file, dentry);*/
+	/*return file_fsync(file, datasync);*/
 	return 0; /* Don't fsync :-) */
 }
 
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 97bf738cd5d..75f9d432485 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -268,7 +268,7 @@ void hpfs_set_ea(struct inode *, struct fnode *, const char *,
 
 /* file.c */
 
-int hpfs_file_fsync(struct file *, struct dentry *, int);
+int hpfs_file_fsync(struct file *, int);
 extern const struct file_operations hpfs_file_ops;
 extern const struct inode_operations hpfs_file_iops;
 extern const struct address_space_operations hpfs_aops;
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index 2e4dfa8593d..826c3f9d29a 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -587,7 +587,7 @@ static int hppfs_readdir(struct file *file, void *ent, filldir_t filldir)
 	return err;
 }
 
-static int hppfs_fsync(struct file *file, struct dentry *dentry, int datasync)
+static int hppfs_fsync(struct file *file, int datasync)
 {
 	return 0;
 }
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index e7291c161a1..81349702443 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -26,9 +26,9 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
 			struct page **pagep, void **fsdata);
 static int jffs2_readpage (struct file *filp, struct page *pg);
 
-int jffs2_fsync(struct file *filp, struct dentry *dentry, int datasync)
+int jffs2_fsync(struct file *filp, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = filp->f_mapping->host;
 	struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
 
 	/* Trigger GC to flush any pending writes for this inode */
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 035a767f958..4791aacf308 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -158,7 +158,7 @@ extern const struct inode_operations jffs2_dir_inode_operations;
 extern const struct file_operations jffs2_file_operations;
 extern const struct inode_operations jffs2_file_inode_operations;
 extern const struct address_space_operations jffs2_file_address_operations;
-int jffs2_fsync(struct file *, struct dentry *, int);
+int jffs2_fsync(struct file *, int);
 int jffs2_do_readpage_unlock (struct inode *inode, struct page *pg);
 
 /* ioctl.c */
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 85d9ec65922..127263cc865 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -27,9 +27,9 @@
 #include "jfs_acl.h"
 #include "jfs_debug.h"
 
-int jfs_fsync(struct file *file, struct dentry *dentry, int datasync)
+int jfs_fsync(struct file *file, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	int rc = 0;
 
 	if (!(inode->i_state & I_DIRTY) ||
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index 9e6bda30a6e..11042b1f44b 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -21,7 +21,7 @@
 struct fid;
 
 extern struct inode *ialloc(struct inode *, umode_t);
-extern int jfs_fsync(struct file *, struct dentry *, int);
+extern int jfs_fsync(struct file *, int);
 extern long jfs_ioctl(struct file *, unsigned int, unsigned long);
 extern long jfs_compat_ioctl(struct file *, unsigned int, unsigned long);
 extern struct inode *jfs_iget(struct super_block *, unsigned long);
diff --git a/fs/libfs.c b/fs/libfs.c
index 232bea425b0..e57ea58bda6 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -58,7 +58,7 @@ struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, struct na
 	return NULL;
 }
 
-int simple_sync_file(struct file * file, struct dentry *dentry, int datasync)
+int simple_sync_file(struct file *file, int datasync)
 {
 	return 0;
 }
@@ -851,13 +851,13 @@ struct dentry *generic_fh_to_parent(struct super_block *sb, struct fid *fid,
 }
 EXPORT_SYMBOL_GPL(generic_fh_to_parent);
 
-int simple_fsync(struct file *file, struct dentry *dentry, int datasync)
+int simple_fsync(struct file *file, int datasync)
 {
 	struct writeback_control wbc = {
 		.sync_mode = WB_SYNC_ALL,
 		.nr_to_write = 0, /* metadata-only; caller takes care of data */
 	};
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	int err;
 	int ret;
 
diff --git a/fs/logfs/file.c b/fs/logfs/file.c
index 0de52407187..abe1cafbd4c 100644
--- a/fs/logfs/file.c
+++ b/fs/logfs/file.c
@@ -219,9 +219,9 @@ int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	}
 }
 
-int logfs_fsync(struct file *file, struct dentry *dentry, int datasync)
+int logfs_fsync(struct file *file, int datasync)
 {
-	struct super_block *sb = dentry->d_inode->i_sb;
+	struct super_block *sb = file->f_mapping->host->i_sb;
 
 	logfs_write_anchor(sb);
 	return 0;
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
index 1a9db84f8d8..c838c4d7211 100644
--- a/fs/logfs/logfs.h
+++ b/fs/logfs/logfs.h
@@ -506,7 +506,7 @@ extern const struct address_space_operations logfs_reg_aops;
 int logfs_readpage(struct file *file, struct page *page);
 int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 		unsigned long arg);
-int logfs_fsync(struct file *file, struct dentry *dentry, int datasync);
+int logfs_fsync(struct file *file, int datasync);
 
 /* gc.c */
 u32 get_best_cand(struct super_block *sb, struct candidate_list *list, u32 *ec);
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
index b9387089289..3639cc5cbda 100644
--- a/fs/ncpfs/file.c
+++ b/fs/ncpfs/file.c
@@ -22,7 +22,7 @@
 #include <linux/ncp_fs.h>
 #include "ncplib_kernel.h"
 
-static int ncp_fsync(struct file *file, struct dentry *dentry, int datasync)
+static int ncp_fsync(struct file *file, int datasync)
 {
 	return 0;
 }
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index db64854b7b0..782b431ef91 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -53,7 +53,7 @@ static int nfs_link(struct dentry *, struct inode *, struct dentry *);
 static int nfs_mknod(struct inode *, struct dentry *, int, dev_t);
 static int nfs_rename(struct inode *, struct dentry *,
 		      struct inode *, struct dentry *);
-static int nfs_fsync_dir(struct file *, struct dentry *, int);
+static int nfs_fsync_dir(struct file *, int);
 static loff_t nfs_llseek_dir(struct file *, loff_t, int);
 
 const struct file_operations nfs_dir_operations = {
@@ -641,8 +641,10 @@ out:
  * All directory operations under NFS are synchronous, so fsync()
  * is a dummy operation.
  */
-static int nfs_fsync_dir(struct file *filp, struct dentry *dentry, int datasync)
+static int nfs_fsync_dir(struct file *filp, int datasync)
 {
+	struct dentry *dentry = filp->f_path.dentry;
+
 	dfprintk(FILE, "NFS: fsync dir(%s/%s) datasync %d\n",
 			dentry->d_parent->d_name.name, dentry->d_name.name,
 			datasync);
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index cac96bcc91e..36a5e74f51b 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -53,7 +53,7 @@ static ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe,
 static ssize_t nfs_file_write(struct kiocb *, const struct iovec *iov,
 				unsigned long nr_segs, loff_t pos);
 static int  nfs_file_flush(struct file *, fl_owner_t id);
-static int  nfs_file_fsync(struct file *, struct dentry *dentry, int datasync);
+static int  nfs_file_fsync(struct file *, int datasync);
 static int nfs_check_flags(int flags);
 static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl);
 static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl);
@@ -322,8 +322,9 @@ nfs_file_mmap(struct file * file, struct vm_area_struct * vma)
  * whether any write errors occurred for this process.
  */
 static int
-nfs_file_fsync(struct file *file, struct dentry *dentry, int datasync)
+nfs_file_fsync(struct file *file, int datasync)
 {
+	struct dentry *dentry = file->f_path.dentry;
 	struct nfs_open_context *ctx = nfs_file_open_context(file);
 	struct inode *inode = dentry->d_inode;
 
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 30292df443c..c9a30d7ff6f 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -27,7 +27,7 @@
 #include "nilfs.h"
 #include "segment.h"
 
-int nilfs_sync_file(struct file *file, struct dentry *dentry, int datasync)
+int nilfs_sync_file(struct file *file, int datasync)
 {
 	/*
 	 * Called from fsync() system call
@@ -37,7 +37,7 @@ int nilfs_sync_file(struct file *file, struct dentry *dentry, int datasync)
 	 * This function should be implemented when the writeback function
 	 * will be implemented.
 	 */
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	int err;
 
 	if (!nilfs_inode_dirty(inode))
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 8723e5bfd07..47d6d792812 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -228,7 +228,7 @@ extern void nilfs_set_link(struct inode *, struct nilfs_dir_entry *,
 			   struct page *, struct inode *);
 
 /* file.c */
-extern int nilfs_sync_file(struct file *, struct dentry *, int);
+extern int nilfs_sync_file(struct file *, int);
 
 /* ioctl.c */
 long nilfs_ioctl(struct file *, unsigned int, unsigned long);
diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
index fe44d3feee4..0f48e7c5d9e 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -1527,10 +1527,9 @@ static int ntfs_dir_open(struct inode *vi, struct file *filp)
  * this problem for now.  We do write the $BITMAP attribute if it is present
  * which is the important one for a directory so things are not too bad.
  */
-static int ntfs_dir_fsync(struct file *filp, struct dentry *dentry,
-		int datasync)
+static int ntfs_dir_fsync(struct file *filp, int datasync)
 {
-	struct inode *bmp_vi, *vi = dentry->d_inode;
+	struct inode *bmp_vi, *vi = filp->f_mapping->host;
 	int err, ret;
 	ntfs_attr na;
 
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index a1924a0d2ab..113ebd9f25a 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -2133,7 +2133,6 @@ static ssize_t ntfs_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 /**
  * ntfs_file_fsync - sync a file to disk
  * @filp:	file to be synced
- * @dentry:	dentry describing the file to sync
  * @datasync:	if non-zero only flush user data and not metadata
  *
  * Data integrity sync of a file to disk.  Used for fsync, fdatasync, and msync
@@ -2149,19 +2148,15 @@ static ssize_t ntfs_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
  * Also, if @datasync is true, we do not wait on the inode to be written out
  * but we always wait on the page cache pages to be written out.
  *
- * Note: In the past @filp could be NULL so we ignore it as we don't need it
- * anyway.
- *
  * Locking: Caller must hold i_mutex on the inode.
  *
  * TODO: We should probably also write all attribute/index inodes associated
  * with this inode but since we have no simple way of getting to them we ignore
  * this problem for now.
  */
-static int ntfs_file_fsync(struct file *filp, struct dentry *dentry,
-		int datasync)
+static int ntfs_file_fsync(struct file *filp, int datasync)
 {
-	struct inode *vi = dentry->d_inode;
+	struct inode *vi = filp->f_mapping->host;
 	int err, ret = 0;
 
 	ntfs_debug("Entering for inode 0x%lx.", vi->i_ino);
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 97e54b9e654..1c6220a8e07 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -175,13 +175,12 @@ static int ocfs2_dir_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static int ocfs2_sync_file(struct file *file,
-			   struct dentry *dentry,
-			   int datasync)
+static int ocfs2_sync_file(struct file *file, int datasync)
 {
 	int err = 0;
 	journal_t *journal;
-	struct inode *inode = dentry->d_inode;
+	struct dentry *dentry = file->f_path.dentry;
+	struct inode *inode = file->f_mapping->host;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
 	mlog_entry("(0x%p, 0x%p, %d, '%.*s')\n", file, dentry, datasync,
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c
index 4455fbe269a..198dabf1b2b 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -14,8 +14,7 @@
 extern const struct reiserfs_key MIN_KEY;
 
 static int reiserfs_readdir(struct file *, void *, filldir_t);
-static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry,
-			      int datasync);
+static int reiserfs_dir_fsync(struct file *filp, int datasync);
 
 const struct file_operations reiserfs_dir_operations = {
 	.llseek = generic_file_llseek,
@@ -28,10 +27,9 @@ const struct file_operations reiserfs_dir_operations = {
 #endif
 };
 
-static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry,
-			      int datasync)
+static int reiserfs_dir_fsync(struct file *filp, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = filp->f_mapping->host;
 	int err;
 	reiserfs_write_lock(inode->i_sb);
 	err = reiserfs_commit_for_inode(inode);
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 9977df9f3a5..b82cdd8a45d 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -134,10 +134,9 @@ static void reiserfs_vfs_truncate_file(struct inode *inode)
  * be removed...
  */
 
-static int reiserfs_sync_file(struct file *filp,
-			      struct dentry *dentry, int datasync)
+static int reiserfs_sync_file(struct file *filp, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = filp->f_mapping->host;
 	int err;
 	int barrier_done;
 
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index 84ecf0e43f9..8e187a0f94b 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -28,8 +28,9 @@
 #include "proto.h"
 
 static int
-smb_fsync(struct file *file, struct dentry * dentry, int datasync)
+smb_fsync(struct file *file, int datasync)
 {
+	struct dentry *dentry = file->f_path.dentry;
 	struct smb_sb_info *server = server_from_dentry(dentry);
 	int result;
 
diff --git a/fs/sync.c b/fs/sync.c
index e8cbd415e50..c9f83f480ec 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -130,12 +130,10 @@ void emergency_sync(void)
 
 /*
  * Generic function to fsync a file.
- *
- * filp may be NULL if called via the msync of a vma.
  */
-int file_fsync(struct file *filp, struct dentry *dentry, int datasync)
+int file_fsync(struct file *filp, int datasync)
 {
-	struct inode * inode = dentry->d_inode;
+	struct inode *inode = filp->f_mapping->host;
 	struct super_block * sb;
 	int ret, err;
 
@@ -183,7 +181,7 @@ int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync)
 	 * livelocks in fsync_buffers_list().
 	 */
 	mutex_lock(&mapping->host->i_mutex);
-	err = file->f_op->fsync(file, file->f_path.dentry, datasync);
+	err = file->f_op->fsync(file, datasync);
 	if (!ret)
 		ret = err;
 	mutex_unlock(&mapping->host->i_mutex);
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 5692cf72b80..c726da68e6b 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1304,9 +1304,9 @@ static void *ubifs_follow_link(struct dentry *dentry, struct nameidata *nd)
 	return NULL;
 }
 
-int ubifs_fsync(struct file *file, struct dentry *dentry, int datasync)
+int ubifs_fsync(struct file *file, int datasync)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_mapping->host;
 	struct ubifs_info *c = inode->i_sb->s_fs_info;
 	int err;
 
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index bd2542dad01..b0904536cc1 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1678,7 +1678,7 @@ const struct ubifs_lprops *ubifs_fast_find_frdi_idx(struct ubifs_info *c);
 int ubifs_calc_dark(const struct ubifs_info *c, int spc);
 
 /* file.c */
-int ubifs_fsync(struct file *file, struct dentry *dentry, int datasync);
+int ubifs_fsync(struct file *file, int datasync);
 int ubifs_setattr(struct dentry *dentry, struct iattr *attr);
 
 /* dir.c */
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index d8fb1b5d6cb..257a56b127c 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -100,10 +100,10 @@ xfs_iozero(
 STATIC int
 xfs_file_fsync(
 	struct file		*file,
-	struct dentry		*dentry,
 	int			datasync)
 {
-	struct xfs_inode	*ip = XFS_I(dentry->d_inode);
+	struct inode		*inode = file->f_mapping->host;
+	struct xfs_inode	*ip = XFS_I(inode);
 	struct xfs_trans	*tp;
 	int			error = 0;
 	int			log_flushed = 0;
@@ -140,8 +140,8 @@ xfs_file_fsync(
 	 * might gets cleared when the inode gets written out via the AIL
 	 * or xfs_iflush_cluster.
 	 */
-	if (((dentry->d_inode->i_state & I_DIRTY_DATASYNC) ||
-	    ((dentry->d_inode->i_state & I_DIRTY_SYNC) && !datasync)) &&
+	if (((inode->i_state & I_DIRTY_DATASYNC) ||
+	    ((inode->i_state & I_DIRTY_SYNC) && !datasync)) &&
 	    ip->i_update_core) {
 		/*
 		 * Kick off a transaction to log the inode core to get the
@@ -868,7 +868,7 @@ write_retry:
 			mutex_lock(&inode->i_mutex);
 		xfs_ilock(ip, iolock);
 
-		error2 = -xfs_file_fsync(file, file->f_path.dentry,
+		error2 = -xfs_file_fsync(file,
 					 (file->f_flags & __O_SYNC) ? 0 : 1);
 		if (!error)
 			error = error2;
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 16ed0284d78..05e5f599621 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -224,7 +224,7 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
 void block_sync_page(struct page *);
 sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *);
 int block_truncate_page(struct address_space *, loff_t, get_block_t *);
-int file_fsync(struct file *, struct dentry *, int);
+int file_fsync(struct file *, int);
 int nobh_write_begin(struct file *, struct address_space *,
 				loff_t, unsigned, unsigned,
 				struct page **, void **, get_block_t*);
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 5f494b46509..7fc62d4550b 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -868,7 +868,7 @@ extern int ext3_htree_store_dirent(struct file *dir_file, __u32 hash,
 extern void ext3_htree_free_dir_info(struct dir_private_info *p);
 
 /* fsync.c */
-extern int ext3_sync_file (struct file *, struct dentry *, int);
+extern int ext3_sync_file(struct file *, int);
 
 /* hash.c */
 extern int ext3fs_dirhash(const char *name, int len, struct
diff --git a/include/linux/fb.h b/include/linux/fb.h
index f3793ebc241..907ace3a64c 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -4,8 +4,6 @@
 #include <linux/types.h>
 #include <linux/i2c.h>
 
-struct dentry;
-
 /* Definitions of frame buffers						*/
 
 #define FB_MAX			32	/* sufficient for now */
@@ -1017,8 +1015,7 @@ extern void fb_deferred_io_open(struct fb_info *info,
 				struct inode *inode,
 				struct file *file);
 extern void fb_deferred_io_cleanup(struct fb_info *info);
-extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
-				int datasync);
+extern int fb_deferred_io_fsync(struct file *file, int datasync);
 
 static inline bool fb_be_math(struct fb_info *info)
 {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3d9ed830240..eb39e5eb77f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1498,7 +1498,7 @@ struct file_operations {
 	int (*open) (struct inode *, struct file *);
 	int (*flush) (struct file *, fl_owner_t id);
 	int (*release) (struct inode *, struct file *);
-	int (*fsync) (struct file *, struct dentry *, int datasync);
+	int (*fsync) (struct file *, int datasync);
 	int (*aio_fsync) (struct kiocb *, int datasync);
 	int (*fasync) (int, struct file *, int);
 	int (*lock) (struct file *, int, struct file_lock *);
@@ -2213,7 +2213,7 @@ extern int generic_segment_checks(const struct iovec *iov,
 /* fs/block_dev.c */
 extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
 				unsigned long nr_segs, loff_t pos);
-extern int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync);
+extern int blkdev_fsync(struct file *filp, int datasync);
 
 /* fs/splice.c */
 extern ssize_t generic_file_splice_read(struct file *, loff_t *,
@@ -2348,7 +2348,7 @@ extern int simple_link(struct dentry *, struct inode *, struct dentry *);
 extern int simple_unlink(struct inode *, struct dentry *);
 extern int simple_rmdir(struct inode *, struct dentry *);
 extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
-extern int simple_sync_file(struct file *, struct dentry *, int);
+extern int simple_sync_file(struct file *, int);
 extern int simple_empty(struct dentry *);
 extern int simple_readpage(struct file *file, struct page *page);
 extern int simple_write_begin(struct file *file, struct address_space *mapping,
@@ -2373,7 +2373,7 @@ extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
 extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos,
 		const void __user *from, size_t count);
 
-extern int simple_fsync(struct file *, struct dentry *, int);
+extern int simple_fsync(struct file *, int);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 5d60ad4ebf7..f5b1ba90e95 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -606,9 +606,9 @@ TRACE_EVENT(ext4_free_blocks,
 );
 
 TRACE_EVENT(ext4_sync_file,
-	TP_PROTO(struct file *file, struct dentry *dentry, int datasync),
+	TP_PROTO(struct file *file, int datasync),
 
-	TP_ARGS(file, dentry, datasync),
+	TP_ARGS(file, datasync),
 
 	TP_STRUCT__entry(
 		__field(	dev_t,	dev			)
@@ -618,6 +618,8 @@ TRACE_EVENT(ext4_sync_file,
 	),
 
 	TP_fast_assign(
+		struct dentry *dentry = file->f_path.dentry;
+
 		__entry->dev		= dentry->d_inode->i_sb->s_dev;
 		__entry->ino		= dentry->d_inode->i_ino;
 		__entry->datasync	= datasync;
diff --git a/ipc/shm.c b/ipc/shm.c
index 1a314c89f93..52ed77eb971 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -273,16 +273,13 @@ static int shm_release(struct inode *ino, struct file *file)
 	return 0;
 }
 
-static int shm_fsync(struct file *file, struct dentry *dentry, int datasync)
+static int shm_fsync(struct file *file, int datasync)
 {
-	int (*fsync) (struct file *, struct dentry *, int datasync);
 	struct shm_file_data *sfd = shm_file_data(file);
-	int ret = -EINVAL;
 
-	fsync = sfd->file->f_op->fsync;
-	if (fsync)
-		ret = fsync(sfd->file, sfd->file->f_path.dentry, datasync);
-	return ret;
+	if (!sfd->file->f_op->fsync)
+		return -EINVAL;
+	return sfd->file->f_op->fsync(sfd->file, datasync);
 }
 
 static unsigned long shm_get_unmapped_area(struct file *file,

From 1b061d9247f71cd15edc4c4c4600191a903642c0 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 26 May 2010 17:53:41 +0200
Subject: [PATCH 3565/3638] rename the generic fsync implementations

We don't name our generic fsync implementations very well currently.
The no-op implementation for in-memory filesystems currently is called
simple_sync_file which doesn't make too much sense to start with,
the the generic one for simple filesystems is called simple_fsync
which can lead to some confusion.

This patch renames the generic file fsync method to generic_file_fsync
to match the other generic_file_* routines it is supposed to be used
with, and the no-op implementation to noop_fsync to make it obvious
what to expect.  In addition add some documentation for both methods.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/powerpc/platforms/cell/spufs/inode.c |  2 +-
 fs/adfs/dir.c                             |  2 +-
 fs/adfs/file.c                            |  2 +-
 fs/bfs/dir.c                              |  2 +-
 fs/ext2/file.c                            |  2 +-
 fs/ext4/fsync.c                           |  2 +-
 fs/fat/file.c                             |  2 +-
 fs/hugetlbfs/inode.c                      |  2 +-
 fs/libfs.c                                | 30 ++++++++++++++++-------
 fs/minix/dir.c                            |  2 +-
 fs/minix/file.c                           |  2 +-
 fs/omfs/file.c                            |  2 +-
 fs/qnx4/dir.c                             |  2 +-
 fs/ramfs/file-mmu.c                       |  2 +-
 fs/ramfs/file-nommu.c                     |  2 +-
 fs/sysv/dir.c                             |  2 +-
 fs/sysv/file.c                            |  2 +-
 fs/udf/dir.c                              |  2 +-
 fs/udf/file.c                             |  2 +-
 fs/ufs/dir.c                              |  2 +-
 fs/ufs/file.c                             |  2 +-
 include/linux/fs.h                        |  4 +--
 mm/shmem.c                                |  2 +-
 23 files changed, 44 insertions(+), 32 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index fc1b1c42b1d..e5e5f823d68 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -251,7 +251,7 @@ const struct file_operations spufs_context_fops = {
 	.llseek		= dcache_dir_lseek,
 	.read		= generic_read_dir,
 	.readdir	= dcache_readdir,
-	.fsync		= simple_sync_file,
+	.fsync		= noop_fsync,
 };
 EXPORT_SYMBOL_GPL(spufs_context_fops);
 
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index 23aa52f548a..f4287e4de74 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -197,7 +197,7 @@ const struct file_operations adfs_dir_operations = {
 	.read		= generic_read_dir,
 	.llseek		= generic_file_llseek,
 	.readdir	= adfs_readdir,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 };
 
 static int
diff --git a/fs/adfs/file.c b/fs/adfs/file.c
index 005ea34d175..a36da5382b4 100644
--- a/fs/adfs/file.c
+++ b/fs/adfs/file.c
@@ -26,7 +26,7 @@ const struct file_operations adfs_file_operations = {
 	.read		= do_sync_read,
 	.aio_read	= generic_file_aio_read,
 	.mmap		= generic_file_mmap,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 	.write		= do_sync_write,
 	.aio_write	= generic_file_aio_write,
 	.splice_read	= generic_file_splice_read,
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 8f73841fc97..d967e052b77 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -78,7 +78,7 @@ static int bfs_readdir(struct file *f, void *dirent, filldir_t filldir)
 const struct file_operations bfs_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= bfs_readdir,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 	.llseek		= generic_file_llseek,
 };
 
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 48bcfc32701..d82e7ca9345 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -46,7 +46,7 @@ int ext2_fsync(struct file *file, int datasync)
 	struct super_block *sb = file->f_mapping->host->i_sb;
 	struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
 
-	ret = simple_fsync(file, datasync);
+	ret = generic_file_fsync(file, datasync);
 	if (ret == -EIO || test_and_clear_bit(AS_EIO, &mapping->flags)) {
 		/* We don't really know where the IO error happened... */
 		ext2_error(sb, __func__,
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 40f34520173..592adf2e546 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -91,7 +91,7 @@ int ext4_sync_file(struct file *file, int datasync)
 		return ret;
 
 	if (!journal) {
-		ret = simple_fsync(file, datasync);
+		ret = generic_file_fsync(file, datasync);
 		if (!ret && !list_empty(&inode->i_dentry))
 			ext4_sync_parent(inode);
 		return ret;
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 29a57694437..8c13b8acfd2 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -154,7 +154,7 @@ int fat_file_fsync(struct file *filp, int datasync)
 	struct inode *inode = filp->f_mapping->host;
 	int res, err;
 
-	res = simple_fsync(filp, datasync);
+	res = generic_file_fsync(filp, datasync);
 	err = sync_mapping_buffers(MSDOS_SB(inode->i_sb)->fat_inode->i_mapping);
 
 	return res ? res : err;
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index a0bbd3d1b41..a4e9a7ec369 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -688,7 +688,7 @@ static void init_once(void *foo)
 const struct file_operations hugetlbfs_file_operations = {
 	.read			= hugetlbfs_read,
 	.mmap			= hugetlbfs_file_mmap,
-	.fsync			= simple_sync_file,
+	.fsync			= noop_fsync,
 	.get_unmapped_area	= hugetlb_get_unmapped_area,
 };
 
diff --git a/fs/libfs.c b/fs/libfs.c
index e57ea58bda6..b84d0a7a220 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -58,11 +58,6 @@ struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, struct na
 	return NULL;
 }
 
-int simple_sync_file(struct file *file, int datasync)
-{
-	return 0;
-}
- 
 int dcache_dir_open(struct inode *inode, struct file *file)
 {
 	static struct qstr cursor_name = {.len = 1, .name = "."};
@@ -190,7 +185,7 @@ const struct file_operations simple_dir_operations = {
 	.llseek		= dcache_dir_lseek,
 	.read		= generic_read_dir,
 	.readdir	= dcache_readdir,
-	.fsync		= simple_sync_file,
+	.fsync		= noop_fsync,
 };
 
 const struct inode_operations simple_dir_inode_operations = {
@@ -851,7 +846,16 @@ struct dentry *generic_fh_to_parent(struct super_block *sb, struct fid *fid,
 }
 EXPORT_SYMBOL_GPL(generic_fh_to_parent);
 
-int simple_fsync(struct file *file, int datasync)
+/**
+ * generic_file_fsync - generic fsync implementation for simple filesystems
+ * @file:	file to synchronize
+ * @datasync:	only synchronize essential metadata if true
+ *
+ * This is a generic implementation of the fsync method for simple
+ * filesystems which track all non-inode metadata in the buffers list
+ * hanging off the address_space structure.
+ */
+int generic_file_fsync(struct file *file, int datasync)
 {
 	struct writeback_control wbc = {
 		.sync_mode = WB_SYNC_ALL,
@@ -872,7 +876,15 @@ int simple_fsync(struct file *file, int datasync)
 		ret = err;
 	return ret;
 }
-EXPORT_SYMBOL(simple_fsync);
+EXPORT_SYMBOL(generic_file_fsync);
+
+/*
+ * No-op implementation of ->fsync for in-memory filesystems.
+ */
+int noop_fsync(struct file *file, int datasync)
+{
+	return 0;
+}
 
 EXPORT_SYMBOL(dcache_dir_close);
 EXPORT_SYMBOL(dcache_dir_lseek);
@@ -895,7 +907,7 @@ EXPORT_SYMBOL(simple_release_fs);
 EXPORT_SYMBOL(simple_rename);
 EXPORT_SYMBOL(simple_rmdir);
 EXPORT_SYMBOL(simple_statfs);
-EXPORT_SYMBOL(simple_sync_file);
+EXPORT_SYMBOL(noop_fsync);
 EXPORT_SYMBOL(simple_unlink);
 EXPORT_SYMBOL(simple_read_from_buffer);
 EXPORT_SYMBOL(simple_write_to_buffer);
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index 6198731d7fc..aaab97ec5bc 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -22,7 +22,7 @@ const struct file_operations minix_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= minix_readdir,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 };
 
 static inline void dir_put_page(struct page *page)
diff --git a/fs/minix/file.c b/fs/minix/file.c
index 3eec3e607a8..d5320ff23fa 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -19,7 +19,7 @@ const struct file_operations minix_file_operations = {
 	.write		= do_sync_write,
 	.aio_write	= generic_file_aio_write,
 	.mmap		= generic_file_mmap,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 	.splice_read	= generic_file_splice_read,
 };
 
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index 399487c0936..6e7a3291bbe 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -329,7 +329,7 @@ const struct file_operations omfs_file_operations = {
 	.aio_read = generic_file_aio_read,
 	.aio_write = generic_file_aio_write,
 	.mmap = generic_file_mmap,
-	.fsync = simple_fsync,
+	.fsync = generic_file_fsync,
 	.splice_read = generic_file_splice_read,
 };
 
diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c
index 3d3fd469213..6e8fc62b40a 100644
--- a/fs/qnx4/dir.c
+++ b/fs/qnx4/dir.c
@@ -80,7 +80,7 @@ const struct file_operations qnx4_dir_operations =
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= qnx4_readdir,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 };
 
 const struct inode_operations qnx4_dir_inode_operations =
diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c
index 78f613cb9c7..50020501c5e 100644
--- a/fs/ramfs/file-mmu.c
+++ b/fs/ramfs/file-mmu.c
@@ -43,7 +43,7 @@ const struct file_operations ramfs_file_operations = {
 	.write		= do_sync_write,
 	.aio_write	= generic_file_aio_write,
 	.mmap		= generic_file_mmap,
-	.fsync		= simple_sync_file,
+	.fsync		= noop_fsync,
 	.splice_read	= generic_file_splice_read,
 	.splice_write	= generic_file_splice_write,
 	.llseek		= generic_file_llseek,
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index 5ea4ad81a42..869f2d80183 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -42,7 +42,7 @@ const struct file_operations ramfs_file_operations = {
 	.aio_read		= generic_file_aio_read,
 	.write			= do_sync_write,
 	.aio_write		= generic_file_aio_write,
-	.fsync			= simple_sync_file,
+	.fsync			= noop_fsync,
 	.splice_read		= generic_file_splice_read,
 	.splice_write		= generic_file_splice_write,
 	.llseek			= generic_file_llseek,
diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c
index 1dabed286b4..79941e4964a 100644
--- a/fs/sysv/dir.c
+++ b/fs/sysv/dir.c
@@ -24,7 +24,7 @@ const struct file_operations sysv_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= sysv_readdir,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 };
 
 static inline void dir_put_page(struct page *page)
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 96340c01f4a..750cc22349b 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -26,7 +26,7 @@ const struct file_operations sysv_file_operations = {
 	.write		= do_sync_write,
 	.aio_write	= generic_file_aio_write,
 	.mmap		= generic_file_mmap,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 	.splice_read	= generic_file_splice_read,
 };
 
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index 1660c81ffa3..51552bf5022 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -211,5 +211,5 @@ const struct file_operations udf_dir_operations = {
 	.read			= generic_read_dir,
 	.readdir		= udf_readdir,
 	.unlocked_ioctl		= udf_ioctl,
-	.fsync			= simple_fsync,
+	.fsync			= generic_file_fsync,
 };
diff --git a/fs/udf/file.c b/fs/udf/file.c
index baae3a72394..0660280aa18 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -224,7 +224,7 @@ const struct file_operations udf_file_operations = {
 	.write			= do_sync_write,
 	.aio_write		= udf_file_aio_write,
 	.release		= udf_release_file,
-	.fsync			= simple_fsync,
+	.fsync			= generic_file_fsync,
 	.splice_read		= generic_file_splice_read,
 	.llseek			= generic_file_llseek,
 };
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index 317a0d444f6..ec784756dc6 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -666,6 +666,6 @@ not_empty:
 const struct file_operations ufs_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= ufs_readdir,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 	.llseek		= generic_file_llseek,
 };
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index a8962cecde5..d4c30d1bef8 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -42,6 +42,6 @@ const struct file_operations ufs_file_operations = {
 	.aio_write	= generic_file_aio_write,
 	.mmap		= generic_file_mmap,
 	.open           = dquot_file_open,
-	.fsync		= simple_fsync,
+	.fsync		= generic_file_fsync,
 	.splice_read	= generic_file_splice_read,
 };
diff --git a/include/linux/fs.h b/include/linux/fs.h
index eb39e5eb77f..acf6c52a50d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2348,7 +2348,7 @@ extern int simple_link(struct dentry *, struct inode *, struct dentry *);
 extern int simple_unlink(struct inode *, struct dentry *);
 extern int simple_rmdir(struct inode *, struct dentry *);
 extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
-extern int simple_sync_file(struct file *, int);
+extern int noop_fsync(struct file *, int);
 extern int simple_empty(struct dentry *);
 extern int simple_readpage(struct file *file, struct page *page);
 extern int simple_write_begin(struct file *file, struct address_space *mapping,
@@ -2373,7 +2373,7 @@ extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
 extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos,
 		const void __user *from, size_t count);
 
-extern int simple_fsync(struct file *, int);
+extern int generic_file_fsync(struct file *, int);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,
diff --git a/mm/shmem.c b/mm/shmem.c
index 855eaf5b8d5..4daf8cecf42 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2433,7 +2433,7 @@ static const struct file_operations shmem_file_operations = {
 	.write		= do_sync_write,
 	.aio_read	= shmem_file_aio_read,
 	.aio_write	= generic_file_aio_write,
-	.fsync		= simple_sync_file,
+	.fsync		= noop_fsync,
 	.splice_read	= generic_file_splice_read,
 	.splice_write	= generic_file_splice_write,
 #endif

From 0ab7620a0cefe6982b914a830a41f65ecccd74bd Mon Sep 17 00:00:00 2001
From: Erik van der Kouwe <vdkouwe@cs.vu.nl>
Date: Wed, 26 May 2010 12:03:23 +0200
Subject: [PATCH 3566/3638] fs/minix: bugfix, number of indirect block ptrs per
 block depends on block size

The MINIX filesystem driver used a constant number of indirect block
pointers in an indirect block. This worked only for filesystems with 1kb
block, while the MINIX default block size is now 4kb. As a consequence,
large files were read incorrectly on such filesystems and writing a
large file would cause the filesystem to become corrupted. This patch
computes the number of indirect block pointers based on the block size,
making the driver work for each block size.

I would like to thank Feiran Zheng ('Fam') for pointing out the cause
of the corruption.

Signed-off-by: Erik van der Kouwe <vdkouwe@cs.vu.nl>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/minix/itree_v2.c | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/fs/minix/itree_v2.c b/fs/minix/itree_v2.c
index f2301096936..13487ad1689 100644
--- a/fs/minix/itree_v2.c
+++ b/fs/minix/itree_v2.c
@@ -20,6 +20,9 @@ static inline block_t *i_data(struct inode *inode)
 	return (block_t *)minix_i(inode)->u.i2_data;
 }
 
+#define DIRCOUNT 7
+#define INDIRCOUNT(sb) (1 << ((sb)->s_blocksize_bits - 2))
+
 static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
 {
 	int n = 0;
@@ -34,21 +37,21 @@ static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
 			printk("MINIX-fs: block_to_path: "
 			       "block %ld too big on dev %s\n",
 				block, bdevname(sb->s_bdev, b));
-	} else if (block < 7) {
+	} else if (block < DIRCOUNT) {
 		offsets[n++] = block;
-	} else if ((block -= 7) < 256) {
-		offsets[n++] = 7;
+	} else if ((block -= DIRCOUNT) < INDIRCOUNT(sb)) {
+		offsets[n++] = DIRCOUNT;
 		offsets[n++] = block;
-	} else if ((block -= 256) < 256*256) {
-		offsets[n++] = 8;
-		offsets[n++] = block>>8;
-		offsets[n++] = block & 255;
+	} else if ((block -= INDIRCOUNT(sb)) < INDIRCOUNT(sb) * INDIRCOUNT(sb)) {
+		offsets[n++] = DIRCOUNT + 1;
+		offsets[n++] = block / INDIRCOUNT(sb);
+		offsets[n++] = block % INDIRCOUNT(sb);
 	} else {
-		block -= 256*256;
-		offsets[n++] = 9;
-		offsets[n++] = block>>16;
-		offsets[n++] = (block>>8) & 255;
-		offsets[n++] = block & 255;
+		block -= INDIRCOUNT(sb) * INDIRCOUNT(sb);
+		offsets[n++] = DIRCOUNT + 2;
+		offsets[n++] = (block / INDIRCOUNT(sb)) / INDIRCOUNT(sb);
+		offsets[n++] = (block / INDIRCOUNT(sb)) % INDIRCOUNT(sb);
+		offsets[n++] = block % INDIRCOUNT(sb);
 	}
 	return n;
 }

From 7000d3c424e5bb350e502a477fb0e1ed42f8b10e Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 24 May 2010 22:22:34 -0700
Subject: [PATCH 3567/3638] fs/super: fix kernel-doc warning

Fix fs/super.c kernel-doc warning and function notation:
Warning(fs/super.c:957): No description found for parameter 'sb'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 69688b15f1f..a67409e5ad9 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -946,8 +946,8 @@ out:
 EXPORT_SYMBOL_GPL(vfs_kern_mount);
 
 /**
- * freeze_super -- lock the filesystem and force it into a consistent state
- * @super: the super to lock
+ * freeze_super - lock the filesystem and force it into a consistent state
+ * @sb: the super to lock
  *
  * Syncs the super to make sure the filesystem is consistent and calls the fs's
  * freeze_fs.  Subsequent calls to this without first thawing the fs will return

From 7bb46a6734a7e1ad4beaecc11cae7ed3ff81d30f Mon Sep 17 00:00:00 2001
From: "npiggin@suse.de" <npiggin@suse.de>
Date: Thu, 27 May 2010 01:05:33 +1000
Subject: [PATCH 3568/3638] fs: introduce new truncate sequence

Introduce a new truncate calling sequence into fs/mm subsystems. Rather than
setattr > vmtruncate > truncate, have filesystems call their truncate sequence
from ->setattr if filesystem specific operations are required. vmtruncate is
deprecated, and truncate_pagecache and inode_newsize_ok helpers introduced
previously should be used.

simple_setattr is introduced for simple in-ram filesystems to implement
the new truncate sequence. Eventually all filesystems should be converted
to implement a setattr, and the default code in notify_change should go
away.

simple_setsize is also introduced to perform just the ATTR_SIZE portion
of simple_setattr (ie. changing i_size and trimming pagecache).

To implement the new truncate sequence:
- filesystem specific manipulations (eg freeing blocks) must be done in
  the setattr method rather than ->truncate.
- vmtruncate can not be used by core code to trim blocks past i_size in
  the event of write failure after allocation, so this must be performed
  in the fs code.
- convert usage of helpers block_write_begin, nobh_write_begin,
  cont_write_begin, and *blockdev_direct_IO* to use _newtrunc postfixed
  variants. These avoid calling vmtruncate to trim blocks (see previous).
- inode_setattr should not be used. generic_setattr is a new function
  to be used to copy simple attributes into the generic inode.
- make use of the better opportunity to handle errors with the new sequence.

Big problem with the previous calling sequence: the filesystem is not called
until i_size has already changed.  This means it is not allowed to fail the
call, and also it does not know what the previous i_size was. Also, generic
code calling vmtruncate to truncate allocated blocks in case of error had
no good way to return a meaningful error (or, for example, atomically handle
block deallocation).

Cc: Christoph Hellwig <hch@lst.de>
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 Documentation/filesystems/vfs.txt |   7 +-
 fs/attr.c                         |  50 +++++++++---
 fs/buffer.c                       | 123 ++++++++++++++++++++++++------
 fs/direct-io.c                    |  61 ++++++++++-----
 fs/libfs.c                        |  76 ++++++++++++++++++
 include/linux/buffer_head.h       |   9 +++
 include/linux/fs.h                |  27 ++++++-
 mm/truncate.c                     |  10 +--
 8 files changed, 300 insertions(+), 63 deletions(-)

diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index d4f5731dcbb..94677e7dcb1 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -401,11 +401,16 @@ otherwise noted.
   	started might not be in the page cache at the end of the
   	walk).
 
-  truncate: called by the VFS to change the size of a file.  The
+  truncate: Deprecated. This will not be called if ->setsize is defined.
+	Called by the VFS to change the size of a file.  The
  	i_size field of the inode is set to the desired size by the
  	VFS before this method is called.  This method is called by
  	the truncate(2) system call and related functionality.
 
+	Note: ->truncate and vmtruncate are deprecated. Do not add new
+	instances/calls of these. Filesystems should be converted to do their
+	truncate sequence via ->setattr().
+
   permission: called by the VFS to check for access rights on a POSIX-like
   	filesystem.
 
diff --git a/fs/attr.c b/fs/attr.c
index 0815e93bb48..b4fa3b0aa59 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -67,14 +67,14 @@ EXPORT_SYMBOL(inode_change_ok);
  * @offset:	the new size to assign to the inode
  * @Returns:	0 on success, -ve errno on failure
  *
+ * inode_newsize_ok must be called with i_mutex held.
+ *
  * inode_newsize_ok will check filesystem limits and ulimits to check that the
  * new inode size is within limits. inode_newsize_ok will also send SIGXFSZ
  * when necessary. Caller must not proceed with inode size change if failure is
  * returned. @inode must be a file (not directory), with appropriate
  * permissions to allow truncate (inode_newsize_ok does NOT check these
  * conditions).
- *
- * inode_newsize_ok must be called with i_mutex held.
  */
 int inode_newsize_ok(const struct inode *inode, loff_t offset)
 {
@@ -104,17 +104,25 @@ out_big:
 }
 EXPORT_SYMBOL(inode_newsize_ok);
 
-int inode_setattr(struct inode * inode, struct iattr * attr)
+/**
+ * generic_setattr - copy simple metadata updates into the generic inode
+ * @inode:	the inode to be updated
+ * @attr:	the new attributes
+ *
+ * generic_setattr must be called with i_mutex held.
+ *
+ * generic_setattr updates the inode's metadata with that specified
+ * in attr. Noticably missing is inode size update, which is more complex
+ * as it requires pagecache updates. See simple_setsize.
+ *
+ * The inode is not marked as dirty after this operation. The rationale is
+ * that for "simple" filesystems, the struct inode is the inode storage.
+ * The caller is free to mark the inode dirty afterwards if needed.
+ */
+void generic_setattr(struct inode *inode, const struct iattr *attr)
 {
 	unsigned int ia_valid = attr->ia_valid;
 
-	if (ia_valid & ATTR_SIZE &&
-	    attr->ia_size != i_size_read(inode)) {
-		int error = vmtruncate(inode, attr->ia_size);
-		if (error)
-			return error;
-	}
-
 	if (ia_valid & ATTR_UID)
 		inode->i_uid = attr->ia_uid;
 	if (ia_valid & ATTR_GID)
@@ -135,6 +143,28 @@ int inode_setattr(struct inode * inode, struct iattr * attr)
 			mode &= ~S_ISGID;
 		inode->i_mode = mode;
 	}
+}
+EXPORT_SYMBOL(generic_setattr);
+
+/*
+ * note this function is deprecated, the new truncate sequence should be
+ * used instead -- see eg. simple_setsize, generic_setattr.
+ */
+int inode_setattr(struct inode *inode, const struct iattr *attr)
+{
+	unsigned int ia_valid = attr->ia_valid;
+
+	if (ia_valid & ATTR_SIZE &&
+	    attr->ia_size != i_size_read(inode)) {
+		int error;
+
+		error = vmtruncate(inode, attr->ia_size);
+		if (error)
+			return error;
+	}
+
+	generic_setattr(inode, attr);
+
 	mark_inode_dirty(inode);
 
 	return 0;
diff --git a/fs/buffer.c b/fs/buffer.c
index e8aa7081d25..d54812b198e 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1949,14 +1949,11 @@ static int __block_commit_write(struct inode *inode, struct page *page,
 }
 
 /*
- * block_write_begin takes care of the basic task of block allocation and
- * bringing partial write blocks uptodate first.
- *
- * If *pagep is not NULL, then block_write_begin uses the locked page
- * at *pagep rather than allocating its own. In this case, the page will
- * not be unlocked or deallocated on failure.
+ * Filesystems implementing the new truncate sequence should use the
+ * _newtrunc postfix variant which won't incorrectly call vmtruncate.
+ * The filesystem needs to handle block truncation upon failure.
  */
-int block_write_begin(struct file *file, struct address_space *mapping,
+int block_write_begin_newtrunc(struct file *file, struct address_space *mapping,
 			loff_t pos, unsigned len, unsigned flags,
 			struct page **pagep, void **fsdata,
 			get_block_t *get_block)
@@ -1992,20 +1989,50 @@ int block_write_begin(struct file *file, struct address_space *mapping,
 			unlock_page(page);
 			page_cache_release(page);
 			*pagep = NULL;
-
-			/*
-			 * prepare_write() may have instantiated a few blocks
-			 * outside i_size.  Trim these off again. Don't need
-			 * i_size_read because we hold i_mutex.
-			 */
-			if (pos + len > inode->i_size)
-				vmtruncate(inode, inode->i_size);
 		}
 	}
 
 out:
 	return status;
 }
+EXPORT_SYMBOL(block_write_begin_newtrunc);
+
+/*
+ * block_write_begin takes care of the basic task of block allocation and
+ * bringing partial write blocks uptodate first.
+ *
+ * If *pagep is not NULL, then block_write_begin uses the locked page
+ * at *pagep rather than allocating its own. In this case, the page will
+ * not be unlocked or deallocated on failure.
+ */
+int block_write_begin(struct file *file, struct address_space *mapping,
+			loff_t pos, unsigned len, unsigned flags,
+			struct page **pagep, void **fsdata,
+			get_block_t *get_block)
+{
+	int ret;
+
+	ret = block_write_begin_newtrunc(file, mapping, pos, len, flags,
+					pagep, fsdata, get_block);
+
+	/*
+	 * prepare_write() may have instantiated a few blocks
+	 * outside i_size.  Trim these off again. Don't need
+	 * i_size_read because we hold i_mutex.
+	 *
+	 * Filesystems which pass down their own page also cannot
+	 * call into vmtruncate here because it would lead to lock
+	 * inversion problems (*pagep is locked). This is a further
+	 * example of where the old truncate sequence is inadequate.
+	 */
+	if (unlikely(ret) && *pagep == NULL) {
+		loff_t isize = mapping->host->i_size;
+		if (pos + len > isize)
+			vmtruncate(mapping->host, isize);
+	}
+
+	return ret;
+}
 EXPORT_SYMBOL(block_write_begin);
 
 int block_write_end(struct file *file, struct address_space *mapping,
@@ -2324,7 +2351,7 @@ out:
  * For moronic filesystems that do not allow holes in file.
  * We may have to extend the file.
  */
-int cont_write_begin(struct file *file, struct address_space *mapping,
+int cont_write_begin_newtrunc(struct file *file, struct address_space *mapping,
 			loff_t pos, unsigned len, unsigned flags,
 			struct page **pagep, void **fsdata,
 			get_block_t *get_block, loff_t *bytes)
@@ -2345,11 +2372,30 @@ int cont_write_begin(struct file *file, struct address_space *mapping,
 	}
 
 	*pagep = NULL;
-	err = block_write_begin(file, mapping, pos, len,
+	err = block_write_begin_newtrunc(file, mapping, pos, len,
 				flags, pagep, fsdata, get_block);
 out:
 	return err;
 }
+EXPORT_SYMBOL(cont_write_begin_newtrunc);
+
+int cont_write_begin(struct file *file, struct address_space *mapping,
+			loff_t pos, unsigned len, unsigned flags,
+			struct page **pagep, void **fsdata,
+			get_block_t *get_block, loff_t *bytes)
+{
+	int ret;
+
+	ret = cont_write_begin_newtrunc(file, mapping, pos, len, flags,
+					pagep, fsdata, get_block, bytes);
+	if (unlikely(ret)) {
+		loff_t isize = mapping->host->i_size;
+		if (pos + len > isize)
+			vmtruncate(mapping->host, isize);
+	}
+
+	return ret;
+}
 EXPORT_SYMBOL(cont_write_begin);
 
 int block_prepare_write(struct page *page, unsigned from, unsigned to,
@@ -2381,7 +2427,7 @@ EXPORT_SYMBOL(block_commit_write);
  *
  * We are not allowed to take the i_mutex here so we have to play games to
  * protect against truncate races as the page could now be beyond EOF.  Because
- * vmtruncate() writes the inode size before removing pages, once we have the
+ * truncate writes the inode size before removing pages, once we have the
  * page lock we can determine safely if the page is beyond EOF. If it is not
  * beyond EOF, then the page is guaranteed safe against truncation until we
  * unlock the page.
@@ -2464,10 +2510,11 @@ static void attach_nobh_buffers(struct page *page, struct buffer_head *head)
 }
 
 /*
- * On entry, the page is fully not uptodate.
- * On exit the page is fully uptodate in the areas outside (from,to)
+ * Filesystems implementing the new truncate sequence should use the
+ * _newtrunc postfix variant which won't incorrectly call vmtruncate.
+ * The filesystem needs to handle block truncation upon failure.
  */
-int nobh_write_begin(struct file *file, struct address_space *mapping,
+int nobh_write_begin_newtrunc(struct file *file, struct address_space *mapping,
 			loff_t pos, unsigned len, unsigned flags,
 			struct page **pagep, void **fsdata,
 			get_block_t *get_block)
@@ -2500,8 +2547,8 @@ int nobh_write_begin(struct file *file, struct address_space *mapping,
 		unlock_page(page);
 		page_cache_release(page);
 		*pagep = NULL;
-		return block_write_begin(file, mapping, pos, len, flags, pagep,
-					fsdata, get_block);
+		return block_write_begin_newtrunc(file, mapping, pos, len,
+					flags, pagep, fsdata, get_block);
 	}
 
 	if (PageMappedToDisk(page))
@@ -2605,8 +2652,34 @@ out_release:
 	page_cache_release(page);
 	*pagep = NULL;
 
-	if (pos + len > inode->i_size)
-		vmtruncate(inode, inode->i_size);
+	return ret;
+}
+EXPORT_SYMBOL(nobh_write_begin_newtrunc);
+
+/*
+ * On entry, the page is fully not uptodate.
+ * On exit the page is fully uptodate in the areas outside (from,to)
+ */
+int nobh_write_begin(struct file *file, struct address_space *mapping,
+			loff_t pos, unsigned len, unsigned flags,
+			struct page **pagep, void **fsdata,
+			get_block_t *get_block)
+{
+	int ret;
+
+	ret = nobh_write_begin_newtrunc(file, mapping, pos, len, flags,
+					pagep, fsdata, get_block);
+
+	/*
+	 * prepare_write() may have instantiated a few blocks
+	 * outside i_size.  Trim these off again. Don't need
+	 * i_size_read because we hold i_mutex.
+	 */
+	if (unlikely(ret)) {
+		loff_t isize = mapping->host->i_size;
+		if (pos + len > isize)
+			vmtruncate(mapping->host, isize);
+	}
 
 	return ret;
 }
diff --git a/fs/direct-io.c b/fs/direct-io.c
index da111aacb46..7600aacf531 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -1134,27 +1134,8 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode,
 	return ret;
 }
 
-/*
- * This is a library function for use by filesystem drivers.
- *
- * The locking rules are governed by the flags parameter:
- *  - if the flags value contains DIO_LOCKING we use a fancy locking
- *    scheme for dumb filesystems.
- *    For writes this function is called under i_mutex and returns with
- *    i_mutex held, for reads, i_mutex is not held on entry, but it is
- *    taken and dropped again before returning.
- *    For reads and writes i_alloc_sem is taken in shared mode and released
- *    on I/O completion (which may happen asynchronously after returning to
- *    the caller).
- *
- *  - if the flags value does NOT contain DIO_LOCKING we don't use any
- *    internal locking but rather rely on the filesystem to synchronize
- *    direct I/O reads/writes versus each other and truncate.
- *    For reads and writes both i_mutex and i_alloc_sem are not held on
- *    entry and are never taken.
- */
 ssize_t
-__blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
+__blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb, struct inode *inode,
 	struct block_device *bdev, const struct iovec *iov, loff_t offset, 
 	unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
 	dio_submit_t submit_io,	int flags)
@@ -1247,9 +1228,46 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 				nr_segs, blkbits, get_block, end_io,
 				submit_io, dio);
 
+out:
+	return retval;
+}
+EXPORT_SYMBOL(__blockdev_direct_IO_newtrunc);
+
+/*
+ * This is a library function for use by filesystem drivers.
+ *
+ * The locking rules are governed by the flags parameter:
+ *  - if the flags value contains DIO_LOCKING we use a fancy locking
+ *    scheme for dumb filesystems.
+ *    For writes this function is called under i_mutex and returns with
+ *    i_mutex held, for reads, i_mutex is not held on entry, but it is
+ *    taken and dropped again before returning.
+ *    For reads and writes i_alloc_sem is taken in shared mode and released
+ *    on I/O completion (which may happen asynchronously after returning to
+ *    the caller).
+ *
+ *  - if the flags value does NOT contain DIO_LOCKING we don't use any
+ *    internal locking but rather rely on the filesystem to synchronize
+ *    direct I/O reads/writes versus each other and truncate.
+ *    For reads and writes both i_mutex and i_alloc_sem are not held on
+ *    entry and are never taken.
+ */
+ssize_t
+__blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
+	struct block_device *bdev, const struct iovec *iov, loff_t offset,
+	unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
+	dio_submit_t submit_io,	int flags)
+{
+	ssize_t retval;
+
+	retval = __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov,
+			offset, nr_segs, get_block, end_io, submit_io, flags);
 	/*
 	 * In case of error extending write may have instantiated a few
 	 * blocks outside i_size. Trim these off again for DIO_LOCKING.
+	 * NOTE: DIO_NO_LOCK/DIO_OWN_LOCK callers have to handle this in
+	 * their own manner. This is a further example of where the old
+	 * truncate sequence is inadequate.
 	 *
 	 * NOTE: filesystems with their own locking have to handle this
 	 * on their own.
@@ -1257,12 +1275,13 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 	if (flags & DIO_LOCKING) {
 		if (unlikely((rw & WRITE) && retval < 0)) {
 			loff_t isize = i_size_read(inode);
+			loff_t end = offset + iov_length(iov, nr_segs);
+
 			if (end > isize)
 				vmtruncate(inode, isize);
 		}
 	}
 
-out:
 	return retval;
 }
 EXPORT_SYMBOL(__blockdev_direct_IO);
diff --git a/fs/libfs.c b/fs/libfs.c
index b84d0a7a220..09e1016eb77 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -8,6 +8,7 @@
 #include <linux/slab.h>
 #include <linux/mount.h>
 #include <linux/vfs.h>
+#include <linux/quotaops.h>
 #include <linux/mutex.h>
 #include <linux/exportfs.h>
 #include <linux/writeback.h>
@@ -325,6 +326,81 @@ int simple_rename(struct inode *old_dir, struct dentry *old_dentry,
 	return 0;
 }
 
+/**
+ * simple_setsize - handle core mm and vfs requirements for file size change
+ * @inode: inode
+ * @newsize: new file size
+ *
+ * Returns 0 on success, -error on failure.
+ *
+ * simple_setsize must be called with inode_mutex held.
+ *
+ * simple_setsize will check that the requested new size is OK (see
+ * inode_newsize_ok), and then will perform the necessary i_size update
+ * and pagecache truncation (if necessary). It will be typically be called
+ * from the filesystem's setattr function when ATTR_SIZE is passed in.
+ *
+ * The inode itself must have correct permissions and attributes to allow
+ * i_size to be changed, this function then just checks that the new size
+ * requested is valid.
+ *
+ * In the case of simple in-memory filesystems with inodes stored solely
+ * in the inode cache, and file data in the pagecache, nothing more needs
+ * to be done to satisfy a truncate request. Filesystems with on-disk
+ * blocks for example will need to free them in the case of truncate, in
+ * that case it may be easier not to use simple_setsize (but each of its
+ * components will likely be required at some point to update pagecache
+ * and inode etc).
+ */
+int simple_setsize(struct inode *inode, loff_t newsize)
+{
+	loff_t oldsize;
+	int error;
+
+	error = inode_newsize_ok(inode, newsize);
+	if (error)
+		return error;
+
+	oldsize = inode->i_size;
+	i_size_write(inode, newsize);
+	truncate_pagecache(inode, oldsize, newsize);
+
+	return error;
+}
+EXPORT_SYMBOL(simple_setsize);
+
+/**
+ * simple_setattr - setattr for simple in-memory filesystem
+ * @dentry: dentry
+ * @iattr: iattr structure
+ *
+ * Returns 0 on success, -error on failure.
+ *
+ * simple_setattr implements setattr for an in-memory filesystem which
+ * does not store its own file data or metadata (eg. uses the page cache
+ * and inode cache as its data store).
+ */
+int simple_setattr(struct dentry *dentry, struct iattr *iattr)
+{
+	struct inode *inode = dentry->d_inode;
+	int error;
+
+	error = inode_change_ok(inode, iattr);
+	if (error)
+		return error;
+
+	if (iattr->ia_valid & ATTR_SIZE) {
+		error = simple_setsize(inode, iattr->ia_size);
+		if (error)
+			return error;
+	}
+
+	generic_setattr(inode, iattr);
+
+	return error;
+}
+EXPORT_SYMBOL(simple_setattr);
+
 int simple_readpage(struct file *file, struct page *page)
 {
 	clear_highpage(page);
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 05e5f599621..1b9ba193b78 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -203,6 +203,9 @@ int block_write_full_page_endio(struct page *page, get_block_t *get_block,
 int block_read_full_page(struct page*, get_block_t*);
 int block_is_partially_uptodate(struct page *page, read_descriptor_t *desc,
 				unsigned long from);
+int block_write_begin_newtrunc(struct file *, struct address_space *,
+				loff_t, unsigned, unsigned,
+				struct page **, void **, get_block_t*);
 int block_write_begin(struct file *, struct address_space *,
 				loff_t, unsigned, unsigned,
 				struct page **, void **, get_block_t*);
@@ -214,6 +217,9 @@ int generic_write_end(struct file *, struct address_space *,
 				struct page *, void *);
 void page_zero_new_buffers(struct page *page, unsigned from, unsigned to);
 int block_prepare_write(struct page*, unsigned, unsigned, get_block_t*);
+int cont_write_begin_newtrunc(struct file *, struct address_space *, loff_t,
+			unsigned, unsigned, struct page **, void **,
+			get_block_t *, loff_t *);
 int cont_write_begin(struct file *, struct address_space *, loff_t,
 			unsigned, unsigned, struct page **, void **,
 			get_block_t *, loff_t *);
@@ -225,6 +231,9 @@ void block_sync_page(struct page *);
 sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *);
 int block_truncate_page(struct address_space *, loff_t, get_block_t *);
 int file_fsync(struct file *, int);
+int nobh_write_begin_newtrunc(struct file *, struct address_space *,
+				loff_t, unsigned, unsigned,
+				struct page **, void **, get_block_t*);
 int nobh_write_begin(struct file *, struct address_space *,
 				loff_t, unsigned, unsigned,
 				struct page **, void **, get_block_t*);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index acf6c52a50d..3428393942a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2257,6 +2257,10 @@ typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode,
 			    loff_t file_offset);
 void dio_end_io(struct bio *bio, int error);
 
+ssize_t __blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb, struct inode *inode,
+	struct block_device *bdev, const struct iovec *iov, loff_t offset,
+	unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
+	dio_submit_t submit_io, int lock_type);
 ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 	struct block_device *bdev, const struct iovec *iov, loff_t offset,
 	unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
@@ -2270,6 +2274,24 @@ enum {
 	DIO_SKIP_HOLES	= 0x02,
 };
 
+static inline ssize_t blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb,
+	struct inode *inode, struct block_device *bdev, const struct iovec *iov,
+	loff_t offset, unsigned long nr_segs, get_block_t get_block,
+	dio_iodone_t end_io)
+{
+	return __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, offset,
+				    nr_segs, get_block, end_io, NULL,
+				    DIO_LOCKING | DIO_SKIP_HOLES);
+}
+
+static inline ssize_t blockdev_direct_IO_no_locking_newtrunc(int rw, struct kiocb *iocb,
+	struct inode *inode, struct block_device *bdev, const struct iovec *iov,
+	loff_t offset, unsigned long nr_segs, get_block_t get_block,
+	dio_iodone_t end_io)
+{
+	return __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, offset,
+				nr_segs, get_block, end_io, NULL, 0);
+}
 static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
 	struct inode *inode, struct block_device *bdev, const struct iovec *iov,
 	loff_t offset, unsigned long nr_segs, get_block_t get_block,
@@ -2342,12 +2364,14 @@ extern int dcache_dir_open(struct inode *, struct file *);
 extern int dcache_dir_close(struct inode *, struct file *);
 extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
 extern int dcache_readdir(struct file *, void *, filldir_t);
+extern int simple_setattr(struct dentry *, struct iattr *);
 extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int simple_statfs(struct dentry *, struct kstatfs *);
 extern int simple_link(struct dentry *, struct inode *, struct dentry *);
 extern int simple_unlink(struct inode *, struct dentry *);
 extern int simple_rmdir(struct inode *, struct dentry *);
 extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
+extern int simple_setsize(struct inode *, loff_t);
 extern int noop_fsync(struct file *, int);
 extern int simple_empty(struct dentry *);
 extern int simple_readpage(struct file *file, struct page *page);
@@ -2384,7 +2408,8 @@ extern int buffer_migrate_page(struct address_space *,
 
 extern int inode_change_ok(const struct inode *, struct iattr *);
 extern int inode_newsize_ok(const struct inode *, loff_t offset);
-extern int __must_check inode_setattr(struct inode *, struct iattr *);
+extern int __must_check inode_setattr(struct inode *, const struct iattr *);
+extern void generic_setattr(struct inode *inode, const struct iattr *attr);
 
 extern void file_update_time(struct file *file);
 
diff --git a/mm/truncate.c b/mm/truncate.c
index f42675a3615..937571b8b23 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -548,18 +548,18 @@ EXPORT_SYMBOL(truncate_pagecache);
  * NOTE! We have to be ready to update the memory sharing
  * between the file and the memory map for a potential last
  * incomplete page.  Ugly, but necessary.
+ *
+ * This function is deprecated and simple_setsize or truncate_pagecache
+ * should be used instead.
  */
 int vmtruncate(struct inode *inode, loff_t offset)
 {
-	loff_t oldsize;
 	int error;
 
-	error = inode_newsize_ok(inode, offset);
+	error = simple_setsize(inode, offset);
 	if (error)
 		return error;
-	oldsize = inode->i_size;
-	i_size_write(inode, offset);
-	truncate_pagecache(inode, oldsize, offset);
+
 	if (inode->i_op->truncate)
 		inode->i_op->truncate(inode);
 

From 15c6fd9786dfaab43547bf60df6fa63170fb64fc Mon Sep 17 00:00:00 2001
From: "npiggin@suse.de" <npiggin@suse.de>
Date: Thu, 27 May 2010 01:05:34 +1000
Subject: [PATCH 3569/3638] kill spurious reference to vmtruncate

Lots of filesystems calls vmtruncate despite not implementing the old
->truncate method.  Switch them to use simple_setsize and add some
comments about the truncate code where it seems fitting.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/adfs/inode.c     |  3 ++-
 fs/ecryptfs/inode.c |  4 ++--
 fs/gfs2/aops.c      |  8 +++++++-
 fs/gfs2/ops_inode.c |  5 ++++-
 fs/jffs2/fs.c       |  4 ++--
 fs/ocfs2/file.c     |  8 ++++++--
 fs/smbfs/inode.c    |  2 +-
 fs/ubifs/file.c     | 13 ++++++++-----
 fs/ubifs/ubifs.h    |  2 +-
 fs/ufs/truncate.c   | 10 ++++------
 10 files changed, 37 insertions(+), 22 deletions(-)

diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c
index 0f5e3097813..6f850b06ab6 100644
--- a/fs/adfs/inode.c
+++ b/fs/adfs/inode.c
@@ -322,8 +322,9 @@ adfs_notify_change(struct dentry *dentry, struct iattr *attr)
 	if (error)
 		goto out;
 
+	/* XXX: this is missing some actual on-disk truncation.. */
 	if (ia_valid & ATTR_SIZE)
-		error = vmtruncate(inode, attr->ia_size);
+		error = simple_setsize(inode, attr->ia_size);
 
 	if (error)
 		goto out;
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 65dee2f336a..31ef5252f0f 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -805,7 +805,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 				    - (ia->ia_size & ~PAGE_CACHE_MASK));
 
 		if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
-			rc = vmtruncate(inode, ia->ia_size);
+			rc = simple_setsize(inode, ia->ia_size);
 			if (rc)
 				goto out;
 			lower_ia->ia_size = ia->ia_size;
@@ -830,7 +830,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
 				goto out;
 			}
 		}
-		vmtruncate(inode, ia->ia_size);
+		simple_setsize(inode, ia->ia_size);
 		rc = ecryptfs_write_inode_size_to_metadata(inode);
 		if (rc) {
 			printk(KERN_ERR	"Problem with "
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index a739a0a4806..9f8b52500d6 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -700,8 +700,14 @@ out:
 		return 0;
 
 	page_cache_release(page);
+
+	/*
+	 * XXX(hch): the call below should probably be replaced with
+	 * a call to the gfs2-specific truncate blocks helper to actually
+	 * release disk blocks..
+	 */
 	if (pos + len > ip->i_inode.i_size)
-		vmtruncate(&ip->i_inode, ip->i_inode.i_size);
+		simple_setsize(&ip->i_inode, ip->i_inode.i_size);
 out_endtrans:
 	gfs2_trans_end(sdp);
 out_trans_fail:
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 4e64352d49d..98cdd05f331 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -1071,6 +1071,9 @@ int gfs2_permission(struct inode *inode, int mask)
 	return error;
 }
 
+/*
+ * XXX: should be changed to have proper ordering by opencoding simple_setsize
+ */
 static int setattr_size(struct inode *inode, struct iattr *attr)
 {
 	struct gfs2_inode *ip = GFS2_I(inode);
@@ -1081,7 +1084,7 @@ static int setattr_size(struct inode *inode, struct iattr *attr)
 		error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
 		if (error)
 			return error;
-		error = vmtruncate(inode, attr->ia_size);
+		error = simple_setsize(inode, attr->ia_size);
 		gfs2_trans_end(sdp);
 		if (error) 
 			return error;
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 86e0821fc98..8bc2c80ab15 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -169,13 +169,13 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
 	mutex_unlock(&f->sem);
 	jffs2_complete_reservation(c);
 
-	/* We have to do the vmtruncate() without f->sem held, since
+	/* We have to do the simple_setsize() without f->sem held, since
 	   some pages may be locked and waiting for it in readpage().
 	   We are protected from a simultaneous write() extending i_size
 	   back past iattr->ia_size, because do_truncate() holds the
 	   generic inode semaphore. */
 	if (ivalid & ATTR_SIZE && inode->i_size > iattr->ia_size) {
-		vmtruncate(inode, iattr->ia_size);	
+		simple_setsize(inode, iattr->ia_size);
 		inode->i_blocks = (inode->i_size + 511) >> 9;
 	}	
 
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 1c6220a8e07..6a13ea64c44 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1052,7 +1052,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 	}
 
 	/*
-	 * This will intentionally not wind up calling vmtruncate(),
+	 * This will intentionally not wind up calling simple_setsize(),
 	 * since all the work for a size change has been done above.
 	 * Otherwise, we could get into problems with truncate as
 	 * ip_alloc_sem is used there to protect against i_size
@@ -2118,9 +2118,13 @@ relock:
 			 * direct write may have instantiated a few
 			 * blocks outside i_size. Trim these off again.
 			 * Don't need i_size_read because we hold i_mutex.
+			 *
+			 * XXX(hch): this looks buggy because ocfs2 did not
+			 * actually implement ->truncate.  Take a look at
+			 * the new truncate sequence and update this accordingly
 			 */
 			if (*ppos + count > inode->i_size)
-				vmtruncate(inode, inode->i_size);
+				simple_setsize(inode, inode->i_size);
 			ret = written;
 			goto out_dio;
 		}
diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c
index dfa1d67f8fc..9551cb6f7fe 100644
--- a/fs/smbfs/inode.c
+++ b/fs/smbfs/inode.c
@@ -714,7 +714,7 @@ smb_notify_change(struct dentry *dentry, struct iattr *attr)
 		error = server->ops->truncate(inode, attr->ia_size);
 		if (error)
 			goto out;
-		error = vmtruncate(inode, attr->ia_size);
+		error = simple_setsize(inode, attr->ia_size);
 		if (error)
 			goto out;
 		refresh = 1;
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index c726da68e6b..12f445cee9f 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -967,12 +967,15 @@ static int do_writepage(struct page *page, int len)
  * the page locked, and it locks @ui_mutex. However, write-back does take inode
  * @i_mutex, which means other VFS operations may be run on this inode at the
  * same time. And the problematic one is truncation to smaller size, from where
- * we have to call 'vmtruncate()', which first changes @inode->i_size, then
+ * we have to call 'simple_setsize()', which first changes @inode->i_size, then
  * drops the truncated pages. And while dropping the pages, it takes the page
- * lock. This means that 'do_truncation()' cannot call 'vmtruncate()' with
+ * lock. This means that 'do_truncation()' cannot call 'simple_setsize()' with
  * @ui_mutex locked, because it would deadlock with 'ubifs_writepage()'. This
  * means that @inode->i_size is changed while @ui_mutex is unlocked.
  *
+ * XXX: with the new truncate the above is not true anymore, the simple_setsize
+ * calls can be replaced with the individual components.
+ *
  * But in 'ubifs_writepage()' we have to guarantee that we do not write beyond
  * inode size. How do we do this if @inode->i_size may became smaller while we
  * are in the middle of 'ubifs_writepage()'? The UBIFS solution is the
@@ -1125,7 +1128,7 @@ static int do_truncation(struct ubifs_info *c, struct inode *inode,
 		budgeted = 0;
 	}
 
-	err = vmtruncate(inode, new_size);
+	err = simple_setsize(inode, new_size);
 	if (err)
 		goto out_budg;
 
@@ -1214,7 +1217,7 @@ static int do_setattr(struct ubifs_info *c, struct inode *inode,
 
 	if (attr->ia_valid & ATTR_SIZE) {
 		dbg_gen("size %lld -> %lld", inode->i_size, new_size);
-		err = vmtruncate(inode, new_size);
+		err = simple_setsize(inode, new_size);
 		if (err)
 			goto out;
 	}
@@ -1223,7 +1226,7 @@ static int do_setattr(struct ubifs_info *c, struct inode *inode,
 	if (attr->ia_valid & ATTR_SIZE) {
 		/* Truncation changes inode [mc]time */
 		inode->i_mtime = inode->i_ctime = ubifs_current_time(inode);
-		/* 'vmtruncate()' changed @i_size, update @ui_size */
+		/* 'simple_setsize()' changed @i_size, update @ui_size */
 		ui->ui_size = inode->i_size;
 	}
 
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index b0904536cc1..2eef553d50c 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -379,7 +379,7 @@ struct ubifs_gced_idx_leb {
  * The @ui_size is a "shadow" variable for @inode->i_size and UBIFS uses
  * @ui_size instead of @inode->i_size. The reason for this is that UBIFS cannot
  * make sure @inode->i_size is always changed under @ui_mutex, because it
- * cannot call 'vmtruncate()' with @ui_mutex locked, because it would deadlock
+ * cannot call 'simple_setsize()' with @ui_mutex locked, because it would deadlock
  * with 'ubifs_writepage()' (see file.c). All the other inode fields are
  * changed under @ui_mutex, so they do not need "shadow" fields. Note, one
  * could consider to rework locking and base it on "shadow" fields.
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index f294c44577d..3733057e783 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -501,12 +501,10 @@ out:
 	return err;
 }
 
-
 /*
- * We don't define our `inode->i_op->truncate', and call it here,
- * because of:
- * - there is no way to know old size
- * - there is no way inform user about error, if it happens in `truncate'
+ * TODO:
+ *	- truncate case should use proper ordering instead of using
+ *	  simple_setsize
  */
 int ufs_setattr(struct dentry *dentry, struct iattr *attr)
 {
@@ -530,7 +528,7 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr)
 	if (ia_valid & ATTR_SIZE && attr->ia_size != inode->i_size) {
 		loff_t old_i_size = inode->i_size;
 
-		error = vmtruncate(inode, attr->ia_size);
+		error = simple_setsize(inode, attr->ia_size);
 		if (error)
 			return error;
 		error = ufs_truncate(inode, old_i_size);

From 3322e79a3860fd0d50e3c1879b2e98ac582c0ff6 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Thu, 27 May 2010 22:42:19 +1000
Subject: [PATCH 3570/3638] fs: convert simple fs to new truncate

Convert simple filesystems: ramfs, configfs, sysfs, block_dev to new truncate
sequence.

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/block_dev.c        |  9 +++++----
 fs/configfs/inode.c   | 13 ++++---------
 fs/ramfs/file-mmu.c   |  1 +
 fs/ramfs/file-nommu.c |  7 ++++---
 fs/sysfs/inode.c      |  8 +++-----
 5 files changed, 17 insertions(+), 21 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index d0b37e626a1..7346c96308a 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -172,8 +172,9 @@ blkdev_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = file->f_mapping->host;
 
-	return blockdev_direct_IO_no_locking(rw, iocb, inode, I_BDEV(inode),
-				iov, offset, nr_segs, blkdev_get_blocks, NULL);
+	return blockdev_direct_IO_no_locking_newtrunc(rw, iocb, inode,
+				I_BDEV(inode), iov, offset, nr_segs,
+				blkdev_get_blocks, NULL);
 }
 
 int __sync_blockdev(struct block_device *bdev, int wait)
@@ -309,8 +310,8 @@ static int blkdev_write_begin(struct file *file, struct address_space *mapping,
 			struct page **pagep, void **fsdata)
 {
 	*pagep = NULL;
-	return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-				blkdev_get_block);
+	return block_write_begin_newtrunc(file, mapping, pos, len, flags,
+				pagep, fsdata, blkdev_get_block);
 }
 
 static int blkdev_write_end(struct file *file, struct address_space *mapping,
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index c8af2d91174..41645142b88 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -72,16 +72,11 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
 	if (!sd)
 		return -EINVAL;
 
+	error = simple_setattr(dentry, iattr);
+	if (error)
+		return error;
+
 	sd_iattr = sd->s_iattr;
-
-	error = inode_change_ok(inode, iattr);
-	if (error)
-		return error;
-
-	error = inode_setattr(inode, iattr);
-	if (error)
-		return error;
-
 	if (!sd_iattr) {
 		/* setting attributes for the first time, allocate now */
 		sd_iattr = kzalloc(sizeof(struct iattr), GFP_KERNEL);
diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c
index 50020501c5e..4884ac5ae9b 100644
--- a/fs/ramfs/file-mmu.c
+++ b/fs/ramfs/file-mmu.c
@@ -50,5 +50,6 @@ const struct file_operations ramfs_file_operations = {
 };
 
 const struct inode_operations ramfs_file_inode_operations = {
+	.setattr	= simple_setattr,
 	.getattr	= simple_getattr,
 };
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index 869f2d80183..d532c20fc17 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -146,7 +146,7 @@ static int ramfs_nommu_resize(struct inode *inode, loff_t newsize, loff_t size)
 			return ret;
 	}
 
-	ret = vmtruncate(inode, newsize);
+	ret = simple_setsize(inode, newsize);
 
 	return ret;
 }
@@ -169,7 +169,8 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
 
 	/* pick out size-changing events */
 	if (ia->ia_valid & ATTR_SIZE) {
-		loff_t size = i_size_read(inode);
+		loff_t size = inode->i_size;
+
 		if (ia->ia_size != size) {
 			ret = ramfs_nommu_resize(inode, ia->ia_size, size);
 			if (ret < 0 || ia->ia_valid == ATTR_SIZE)
@@ -182,7 +183,7 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
 		}
 	}
 
-	ret = inode_setattr(inode, ia);
+	generic_setattr(inode, ia);
  out:
 	ia->ia_valid = old_ia_valid;
 	return ret;
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index bbd77e95cf7..bde1a4c3679 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -117,13 +117,11 @@ int sysfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	if (error)
 		goto out;
 
-	iattr->ia_valid &= ~ATTR_SIZE; /* ignore size changes */
-
-	error = inode_setattr(inode, iattr);
-	if (error)
-		goto out;
+	/* this ignores size changes */
+	generic_setattr(inode, iattr);
 
 	error = sysfs_sd_setattr(sd, iattr);
+
 out:
 	mutex_unlock(&sysfs_mutex);
 	return error;

From 3889e6e76f66b7de208a1709d0fe530b21a2d384 Mon Sep 17 00:00:00 2001
From: "npiggin@suse.de" <npiggin@suse.de>
Date: Thu, 27 May 2010 01:05:36 +1000
Subject: [PATCH 3571/3638] tmpfs: convert to use the new truncate convention

Cc: Christoph Hellwig <hch@lst.de>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 mm/shmem.c | 43 ++++++++++++++++++++++---------------------
 1 file changed, 22 insertions(+), 21 deletions(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 4daf8cecf42..7e5030ae18f 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -727,10 +727,11 @@ done2:
 	if (inode->i_mapping->nrpages && (info->flags & SHMEM_PAGEIN)) {
 		/*
 		 * Call truncate_inode_pages again: racing shmem_unuse_inode
-		 * may have swizzled a page in from swap since vmtruncate or
-		 * generic_delete_inode did it, before we lowered next_index.
-		 * Also, though shmem_getpage checks i_size before adding to
-		 * cache, no recheck after: so fix the narrow window there too.
+		 * may have swizzled a page in from swap since
+		 * truncate_pagecache or generic_delete_inode did it, before we
+		 * lowered next_index.  Also, though shmem_getpage checks
+		 * i_size before adding to cache, no recheck after: so fix the
+		 * narrow window there too.
 		 *
 		 * Recalling truncate_inode_pages_range and unmap_mapping_range
 		 * every time for punch_hole (which never got a chance to clear
@@ -760,19 +761,16 @@ done2:
 	}
 }
 
-static void shmem_truncate(struct inode *inode)
-{
-	shmem_truncate_range(inode, inode->i_size, (loff_t)-1);
-}
-
 static int shmem_notify_change(struct dentry *dentry, struct iattr *attr)
 {
 	struct inode *inode = dentry->d_inode;
-	struct page *page = NULL;
 	int error;
 
 	if (S_ISREG(inode->i_mode) && (attr->ia_valid & ATTR_SIZE)) {
-		if (attr->ia_size < inode->i_size) {
+		loff_t newsize = attr->ia_size;
+		struct page *page = NULL;
+
+		if (newsize < inode->i_size) {
 			/*
 			 * If truncating down to a partial page, then
 			 * if that page is already allocated, hold it
@@ -780,9 +778,9 @@ static int shmem_notify_change(struct dentry *dentry, struct iattr *attr)
 			 * truncate_partial_page cannnot miss it were
 			 * it assigned to swap.
 			 */
-			if (attr->ia_size & (PAGE_CACHE_SIZE-1)) {
+			if (newsize & (PAGE_CACHE_SIZE-1)) {
 				(void) shmem_getpage(inode,
-					attr->ia_size>>PAGE_CACHE_SHIFT,
+					newsize >> PAGE_CACHE_SHIFT,
 						&page, SGP_READ, NULL);
 				if (page)
 					unlock_page(page);
@@ -794,24 +792,29 @@ static int shmem_notify_change(struct dentry *dentry, struct iattr *attr)
 			 * if it's being fully truncated to zero-length: the
 			 * nrpages check is efficient enough in that case.
 			 */
-			if (attr->ia_size) {
+			if (newsize) {
 				struct shmem_inode_info *info = SHMEM_I(inode);
 				spin_lock(&info->lock);
 				info->flags &= ~SHMEM_PAGEIN;
 				spin_unlock(&info->lock);
 			}
 		}
+
+		error = simple_setsize(inode, newsize);
+		if (page)
+			page_cache_release(page);
+		if (error)
+			return error;
+		shmem_truncate_range(inode, newsize, (loff_t)-1);
 	}
 
 	error = inode_change_ok(inode, attr);
 	if (!error)
-		error = inode_setattr(inode, attr);
+		generic_setattr(inode, attr);
 #ifdef CONFIG_TMPFS_POSIX_ACL
 	if (!error && (attr->ia_valid & ATTR_MODE))
 		error = generic_acl_chmod(inode);
 #endif
-	if (page)
-		page_cache_release(page);
 	return error;
 }
 
@@ -819,11 +822,11 @@ static void shmem_delete_inode(struct inode *inode)
 {
 	struct shmem_inode_info *info = SHMEM_I(inode);
 
-	if (inode->i_op->truncate == shmem_truncate) {
+	if (inode->i_mapping->a_ops == &shmem_aops) {
 		truncate_inode_pages(inode->i_mapping, 0);
 		shmem_unacct_size(info->flags, inode->i_size);
 		inode->i_size = 0;
-		shmem_truncate(inode);
+		shmem_truncate_range(inode, 0, (loff_t)-1);
 		if (!list_empty(&info->swaplist)) {
 			mutex_lock(&shmem_swaplist_mutex);
 			list_del_init(&info->swaplist);
@@ -2022,7 +2025,6 @@ static const struct inode_operations shmem_symlink_inline_operations = {
 };
 
 static const struct inode_operations shmem_symlink_inode_operations = {
-	.truncate	= shmem_truncate,
 	.readlink	= generic_readlink,
 	.follow_link	= shmem_follow_link,
 	.put_link	= shmem_put_link,
@@ -2440,7 +2442,6 @@ static const struct file_operations shmem_file_operations = {
 };
 
 static const struct inode_operations shmem_inode_operations = {
-	.truncate	= shmem_truncate,
 	.setattr	= shmem_notify_change,
 	.truncate_range	= shmem_truncate_range,
 #ifdef CONFIG_TMPFS_POSIX_ACL

From 737f2e93b9724a3554f9d0b248c22cd407313f86 Mon Sep 17 00:00:00 2001
From: "npiggin@suse.de" <npiggin@suse.de>
Date: Thu, 27 May 2010 01:05:37 +1000
Subject: [PATCH 3572/3638] ext2: convert to use the new truncate convention.

I also have commented a possible bug in existing ext2 code, marked with XXX.

Cc: linux-ext4@vger.kernel.org
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext2/ext2.h  |   1 -
 fs/ext2/file.c  |   1 -
 fs/ext2/inode.c | 151 +++++++++++++++++++++++++++++++++++++-----------
 3 files changed, 118 insertions(+), 35 deletions(-)

diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 8e917b68651..52b34f1d273 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -122,7 +122,6 @@ extern int ext2_write_inode (struct inode *, struct writeback_control *);
 extern void ext2_delete_inode (struct inode *);
 extern int ext2_sync_inode (struct inode *);
 extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int);
-extern void ext2_truncate (struct inode *);
 extern int ext2_setattr (struct dentry *, struct iattr *);
 extern void ext2_set_inode_flags(struct inode *inode);
 extern void ext2_get_inode_flags(struct ext2_inode_info *);
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index d82e7ca9345..49eec9456c5 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -95,7 +95,6 @@ const struct file_operations ext2_xip_file_operations = {
 #endif
 
 const struct inode_operations ext2_file_inode_operations = {
-	.truncate	= ext2_truncate,
 #ifdef CONFIG_EXT2_FS_XATTR
 	.setxattr	= generic_setxattr,
 	.getxattr	= generic_getxattr,
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 527c46d9bc1..19214435b75 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -54,6 +54,18 @@ static inline int ext2_inode_is_fast_symlink(struct inode *inode)
 		inode->i_blocks - ea_blocks == 0);
 }
 
+static void ext2_truncate_blocks(struct inode *inode, loff_t offset);
+
+static void ext2_write_failed(struct address_space *mapping, loff_t to)
+{
+	struct inode *inode = mapping->host;
+
+	if (to > inode->i_size) {
+		truncate_pagecache(inode, to, inode->i_size);
+		ext2_truncate_blocks(inode, inode->i_size);
+	}
+}
+
 /*
  * Called at the last iput() if i_nlink is zero.
  */
@@ -71,7 +83,7 @@ void ext2_delete_inode (struct inode * inode)
 
 	inode->i_size = 0;
 	if (inode->i_blocks)
-		ext2_truncate (inode);
+		ext2_truncate_blocks(inode, 0);
 	ext2_free_inode (inode);
 
 	return;
@@ -757,8 +769,8 @@ int __ext2_write_begin(struct file *file, struct address_space *mapping,
 		loff_t pos, unsigned len, unsigned flags,
 		struct page **pagep, void **fsdata)
 {
-	return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-							ext2_get_block);
+	return block_write_begin_newtrunc(file, mapping, pos, len, flags,
+					pagep, fsdata, ext2_get_block);
 }
 
 static int
@@ -766,8 +778,25 @@ ext2_write_begin(struct file *file, struct address_space *mapping,
 		loff_t pos, unsigned len, unsigned flags,
 		struct page **pagep, void **fsdata)
 {
+	int ret;
+
 	*pagep = NULL;
-	return __ext2_write_begin(file, mapping, pos, len, flags, pagep,fsdata);
+	ret = __ext2_write_begin(file, mapping, pos, len, flags, pagep, fsdata);
+	if (ret < 0)
+		ext2_write_failed(mapping, pos + len);
+	return ret;
+}
+
+static int ext2_write_end(struct file *file, struct address_space *mapping,
+			loff_t pos, unsigned len, unsigned copied,
+			struct page *page, void *fsdata)
+{
+	int ret;
+
+	ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);
+	if (ret < len)
+		ext2_write_failed(mapping, pos + len);
+	return ret;
 }
 
 static int
@@ -775,13 +804,18 @@ ext2_nobh_write_begin(struct file *file, struct address_space *mapping,
 		loff_t pos, unsigned len, unsigned flags,
 		struct page **pagep, void **fsdata)
 {
+	int ret;
+
 	/*
 	 * Dir-in-pagecache still uses ext2_write_begin. Would have to rework
 	 * directory handling code to pass around offsets rather than struct
 	 * pages in order to make this work easily.
 	 */
-	return nobh_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-							ext2_get_block);
+	ret = nobh_write_begin_newtrunc(file, mapping, pos, len, flags, pagep,
+						fsdata, ext2_get_block);
+	if (ret < 0)
+		ext2_write_failed(mapping, pos + len);
+	return ret;
 }
 
 static int ext2_nobh_writepage(struct page *page,
@@ -800,10 +834,15 @@ ext2_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
 			loff_t offset, unsigned long nr_segs)
 {
 	struct file *file = iocb->ki_filp;
-	struct inode *inode = file->f_mapping->host;
+	struct address_space *mapping = file->f_mapping;
+	struct inode *inode = mapping->host;
+	ssize_t ret;
 
-	return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
-				offset, nr_segs, ext2_get_block, NULL);
+	ret = blockdev_direct_IO_newtrunc(rw, iocb, inode, inode->i_sb->s_bdev,
+				iov, offset, nr_segs, ext2_get_block, NULL);
+	if (ret < 0 && (rw & WRITE))
+		ext2_write_failed(mapping, offset + iov_length(iov, nr_segs));
+	return ret;
 }
 
 static int
@@ -818,7 +857,7 @@ const struct address_space_operations ext2_aops = {
 	.writepage		= ext2_writepage,
 	.sync_page		= block_sync_page,
 	.write_begin		= ext2_write_begin,
-	.write_end		= generic_write_end,
+	.write_end		= ext2_write_end,
 	.bmap			= ext2_bmap,
 	.direct_IO		= ext2_direct_IO,
 	.writepages		= ext2_writepages,
@@ -1027,7 +1066,7 @@ static void ext2_free_branches(struct inode *inode, __le32 *p, __le32 *q, int de
 		ext2_free_data(inode, p, q);
 }
 
-void ext2_truncate(struct inode *inode)
+static void __ext2_truncate_blocks(struct inode *inode, loff_t offset)
 {
 	__le32 *i_data = EXT2_I(inode)->i_data;
 	struct ext2_inode_info *ei = EXT2_I(inode);
@@ -1039,27 +1078,8 @@ void ext2_truncate(struct inode *inode)
 	int n;
 	long iblock;
 	unsigned blocksize;
-
-	if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
-	    S_ISLNK(inode->i_mode)))
-		return;
-	if (ext2_inode_is_fast_symlink(inode))
-		return;
-	if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
-		return;
-
 	blocksize = inode->i_sb->s_blocksize;
-	iblock = (inode->i_size + blocksize-1)
-					>> EXT2_BLOCK_SIZE_BITS(inode->i_sb);
-
-	if (mapping_is_xip(inode->i_mapping))
-		xip_truncate_page(inode->i_mapping, inode->i_size);
-	else if (test_opt(inode->i_sb, NOBH))
-		nobh_truncate_page(inode->i_mapping,
-				inode->i_size, ext2_get_block);
-	else
-		block_truncate_page(inode->i_mapping,
-				inode->i_size, ext2_get_block);
+	iblock = (offset + blocksize-1) >> EXT2_BLOCK_SIZE_BITS(inode->i_sb);
 
 	n = ext2_block_to_path(inode, iblock, offsets, NULL);
 	if (n == 0)
@@ -1127,6 +1147,62 @@ do_indirects:
 	ext2_discard_reservation(inode);
 
 	mutex_unlock(&ei->truncate_mutex);
+}
+
+static void ext2_truncate_blocks(struct inode *inode, loff_t offset)
+{
+	/*
+	 * XXX: it seems like a bug here that we don't allow
+	 * IS_APPEND inode to have blocks-past-i_size trimmed off.
+	 * review and fix this.
+	 *
+	 * Also would be nice to be able to handle IO errors and such,
+	 * but that's probably too much to ask.
+	 */
+	if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
+	    S_ISLNK(inode->i_mode)))
+		return;
+	if (ext2_inode_is_fast_symlink(inode))
+		return;
+	if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
+		return;
+	__ext2_truncate_blocks(inode, offset);
+}
+
+int ext2_setsize(struct inode *inode, loff_t newsize)
+{
+	loff_t oldsize;
+	int error;
+
+	error = inode_newsize_ok(inode, newsize);
+	if (error)
+		return error;
+
+	if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
+	    S_ISLNK(inode->i_mode)))
+		return -EINVAL;
+	if (ext2_inode_is_fast_symlink(inode))
+		return -EINVAL;
+	if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
+		return -EPERM;
+
+	if (mapping_is_xip(inode->i_mapping))
+		error = xip_truncate_page(inode->i_mapping, newsize);
+	else if (test_opt(inode->i_sb, NOBH))
+		error = nobh_truncate_page(inode->i_mapping,
+				newsize, ext2_get_block);
+	else
+		error = block_truncate_page(inode->i_mapping,
+				newsize, ext2_get_block);
+	if (error)
+		return error;
+
+	oldsize = inode->i_size;
+	i_size_write(inode, newsize);
+	truncate_pagecache(inode, oldsize, newsize);
+
+	__ext2_truncate_blocks(inode, newsize);
+
 	inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
 	if (inode_needs_sync(inode)) {
 		sync_mapping_buffers(inode->i_mapping);
@@ -1134,6 +1210,8 @@ do_indirects:
 	} else {
 		mark_inode_dirty(inode);
 	}
+
+	return 0;
 }
 
 static struct ext2_inode *ext2_get_inode(struct super_block *sb, ino_t ino,
@@ -1474,8 +1552,15 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
 		if (error)
 			return error;
 	}
-	error = inode_setattr(inode, iattr);
-	if (!error && (iattr->ia_valid & ATTR_MODE))
+	if (iattr->ia_valid & ATTR_SIZE) {
+		error = ext2_setsize(inode, iattr->ia_size);
+		if (error)
+			return error;
+	}
+	generic_setattr(inode, iattr);
+	if (iattr->ia_valid & ATTR_MODE)
 		error = ext2_acl_chmod(inode);
+	mark_inode_dirty(inode);
+
 	return error;
 }

From 459f6ed3b8c74cedeb64e5a854394c0d40eda9cd Mon Sep 17 00:00:00 2001
From: "npiggin@suse.de" <npiggin@suse.de>
Date: Thu, 27 May 2010 01:05:38 +1000
Subject: [PATCH 3573/3638] fat: convert to use the new truncate convention.

Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/fat/fat.h   |  3 ++-
 fs/fat/file.c  | 34 ++++++++++++++++++++++++++--------
 fs/fat/inode.c | 35 +++++++++++++++++++++++++++++------
 3 files changed, 57 insertions(+), 15 deletions(-)

diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index a1c8c4b44fd..27ac2572595 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -306,7 +306,8 @@ extern long fat_generic_ioctl(struct file *filp, unsigned int cmd,
 extern const struct file_operations fat_file_operations;
 extern const struct inode_operations fat_file_inode_operations;
 extern int fat_setattr(struct dentry * dentry, struct iattr * attr);
-extern void fat_truncate(struct inode *inode);
+extern int fat_setsize(struct inode *inode, loff_t offset);
+extern void fat_truncate_blocks(struct inode *inode, loff_t offset);
 extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
 		       struct kstat *stat);
 extern int fat_file_fsync(struct file *file, int datasync);
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 8c13b8acfd2..990dfae022e 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -283,7 +283,7 @@ static int fat_free(struct inode *inode, int skip)
 	return fat_free_clusters(inode, free_start);
 }
 
-void fat_truncate(struct inode *inode)
+void fat_truncate_blocks(struct inode *inode, loff_t offset)
 {
 	struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
 	const unsigned int cluster_size = sbi->cluster_size;
@@ -293,10 +293,10 @@ void fat_truncate(struct inode *inode)
 	 * This protects against truncating a file bigger than it was then
 	 * trying to write into the hole.
 	 */
-	if (MSDOS_I(inode)->mmu_private > inode->i_size)
-		MSDOS_I(inode)->mmu_private = inode->i_size;
+	if (MSDOS_I(inode)->mmu_private > offset)
+		MSDOS_I(inode)->mmu_private = offset;
 
-	nr_clusters = (inode->i_size + (cluster_size - 1)) >> sbi->cluster_bits;
+	nr_clusters = (offset + (cluster_size - 1)) >> sbi->cluster_bits;
 
 	fat_free(inode, nr_clusters);
 	fat_flush_inodes(inode->i_sb, inode, NULL);
@@ -364,6 +364,18 @@ static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode)
 	return 0;
 }
 
+int fat_setsize(struct inode *inode, loff_t offset)
+{
+	int error;
+
+	error = simple_setsize(inode, offset);
+	if (error)
+		return error;
+	fat_truncate_blocks(inode, offset);
+
+	return error;
+}
+
 #define TIMES_SET_FLAGS	(ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)
 /* valid file mode bits */
 #define FAT_VALID_MODE	(S_IFREG | S_IFDIR | S_IRWXUGO)
@@ -378,7 +390,8 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
 	/*
 	 * Expand the file. Since inode_setattr() updates ->i_size
 	 * before calling the ->truncate(), but FAT needs to fill the
-	 * hole before it.
+	 * hole before it. XXX: this is no longer true with new truncate
+	 * sequence.
 	 */
 	if (attr->ia_valid & ATTR_SIZE) {
 		if (attr->ia_size > inode->i_size) {
@@ -427,15 +440,20 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
 			attr->ia_valid &= ~ATTR_MODE;
 	}
 
-	if (attr->ia_valid)
-		error = inode_setattr(inode, attr);
+	if (attr->ia_valid & ATTR_SIZE) {
+		error = fat_setsize(inode, attr->ia_size);
+		if (error)
+			goto out;
+	}
+
+	generic_setattr(inode, attr);
+	mark_inode_dirty(inode);
 out:
 	return error;
 }
 EXPORT_SYMBOL_GPL(fat_setattr);
 
 const struct inode_operations fat_file_inode_operations = {
-	.truncate	= fat_truncate,
 	.setattr	= fat_setattr,
 	.getattr	= fat_getattr,
 };
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index ed33904926e..7bf45aee56d 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -142,14 +142,29 @@ static int fat_readpages(struct file *file, struct address_space *mapping,
 	return mpage_readpages(mapping, pages, nr_pages, fat_get_block);
 }
 
+static void fat_write_failed(struct address_space *mapping, loff_t to)
+{
+	struct inode *inode = mapping->host;
+
+	if (to > inode->i_size) {
+		truncate_pagecache(inode, to, inode->i_size);
+		fat_truncate_blocks(inode, inode->i_size);
+	}
+}
+
 static int fat_write_begin(struct file *file, struct address_space *mapping,
 			loff_t pos, unsigned len, unsigned flags,
 			struct page **pagep, void **fsdata)
 {
+	int err;
+
 	*pagep = NULL;
-	return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-				fat_get_block,
+	err = cont_write_begin_newtrunc(file, mapping, pos, len, flags,
+				pagep, fsdata, fat_get_block,
 				&MSDOS_I(mapping->host)->mmu_private);
+	if (err < 0)
+		fat_write_failed(mapping, pos + len);
+	return err;
 }
 
 static int fat_write_end(struct file *file, struct address_space *mapping,
@@ -159,6 +174,8 @@ static int fat_write_end(struct file *file, struct address_space *mapping,
 	struct inode *inode = mapping->host;
 	int err;
 	err = generic_write_end(file, mapping, pos, len, copied, pagep, fsdata);
+	if (err < len)
+		fat_write_failed(mapping, pos + len);
 	if (!(err < 0) && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) {
 		inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
 		MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
@@ -172,7 +189,9 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
 			     loff_t offset, unsigned long nr_segs)
 {
 	struct file *file = iocb->ki_filp;
-	struct inode *inode = file->f_mapping->host;
+	struct address_space *mapping = file->f_mapping;
+	struct inode *inode = mapping->host;
+	ssize_t ret;
 
 	if (rw == WRITE) {
 		/*
@@ -193,8 +212,12 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
 	 * FAT need to use the DIO_LOCKING for avoiding the race
 	 * condition of fat_get_block() and ->truncate().
 	 */
-	return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
-				  offset, nr_segs, fat_get_block, NULL);
+	ret = blockdev_direct_IO_newtrunc(rw, iocb, inode, inode->i_sb->s_bdev,
+				iov, offset, nr_segs, fat_get_block, NULL);
+	if (ret < 0 && (rw & WRITE))
+		fat_write_failed(mapping, offset + iov_length(iov, nr_segs));
+
+	return ret;
 }
 
 static sector_t _fat_bmap(struct address_space *mapping, sector_t block)
@@ -429,7 +452,7 @@ static void fat_delete_inode(struct inode *inode)
 {
 	truncate_inode_pages(&inode->i_data, 0);
 	inode->i_size = 0;
-	fat_truncate(inode);
+	fat_truncate_blocks(inode, 0);
 	clear_inode(inode);
 }
 

From 4c9002de329c9ae825f10eb9044c928434a4d230 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 27 May 2010 09:04:07 -0400
Subject: [PATCH 3574/3638] fix fs/sysv s_dirt handling

got broken on ->sync_fs() conversion a year ago, nobody noticed...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/sysv/inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 4573734d723..d4a5380b566 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -43,6 +43,7 @@ static int sysv_sync_fs(struct super_block *sb, int wait)
 	 * then attach current time stamp.
 	 * But if the filesystem was marked clean, keep it clean.
 	 */
+	sb->s_dirt = 0;
 	old_time = fs32_to_cpu(sbi, *sbi->s_sb_time);
 	if (sbi->s_type == FSTYPE_SYSV4) {
 		if (*sbi->s_sb_state == cpu_to_fs32(sbi, 0x7c269d38 - old_time))

From e8d0fee70b66694959eab10c41788b9279d73629 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Thu, 27 May 2010 20:15:14 +0200
Subject: [PATCH 3575/3638] ALSA: usb-audio: fix feature unit parser for UAC2

Fix a small off-by-one bug which causes the feature unit to announce a
wrong number of channels. This leads to illegal requests sent to the
firmware eventually.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/mixer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 97dd1765510..03ce971e002 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1126,7 +1126,7 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void
 	} else {
 		struct uac2_feature_unit_descriptor *ftr = _ftr;
 		csize = 4;
-		channels = (hdr->bLength - 6) / 4;
+		channels = (hdr->bLength - 6) / 4 - 1;
 		bmaControls = ftr->bmaControls;
 	}
 

From e96d3127760a2fc509bca6bf7e61e8bc61497aeb Mon Sep 17 00:00:00 2001
From: Daniel T Chen <crimsun@ubuntu.com>
Date: Thu, 27 May 2010 18:32:18 -0400
Subject: [PATCH 3576/3638] ALSA: hda: Use LPIB for Sony VPCS11V9E

BugLink: https://launchpad.net/bugs/586347

Symptom: On the Sony VPCS11V9E, using GStreamer-based applications with
PulseAudio in Ubuntu 10.04 LTS results in stuttering audio. It appears
to worsen with increased I/O.

Test case: use Rhythmbox under increased I/O pressure. This symptom is
reproducible in the current daily stable alsa-driver snapshots (at least
up until 21 May 2010; later snapshots fail to build from source due to
missing preprocessor directives when compiled against 2.6.32).

Resolution: add SSID for this machine to the position_fix quirk table,
explicitly specifying the LPIB method.

Reported-and-Tested-By: Lauri Kainulainen <lauri@sokkelo.net>
Cc: <stable@kernel.org>
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 77e22c2a8ca..e1ff2b8fe2a 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2288,6 +2288,7 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1179, 0xff10, "Toshiba A100-259", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),

From 37814fdc950281e9096a8b361a380edae237f486 Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@linux.intel.com>
Date: Thu, 27 May 2010 13:08:33 +0100
Subject: [PATCH 3577/3638] leds: Kconfig fixes

Soekris net5501 is x86 only and cleanup some undeeded dependencies

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/Kconfig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index f98d17a7108..81bf25e67ce 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -21,7 +21,7 @@ comment "LED drivers"
 
 config LEDS_88PM860X
 	tristate "LED Support for Marvell 88PM860x PMIC"
-	depends on LEDS_CLASS && MFD_88PM860X
+	depends on MFD_88PM860X
 	help
 	  This option enables support for on-chip LED drivers found on Marvell
 	  Semiconductor 88PM8606 PMIC.
@@ -69,8 +69,8 @@ config LEDS_NET48XX
 
 config LEDS_NET5501
 	tristate "LED Support for Soekris net5501 series Error LED"
-	depends on LEDS_CLASS && LEDS_TRIGGERS
-	depends on LEDS_GPIO_PLATFORM && GPIO_CS5535
+	depends on LEDS_TRIGGERS
+	depends on X86 && LEDS_GPIO_PLATFORM && GPIO_CS5535
 	select LEDS_TRIGGER_DEFAULT_ON
 	default n
 	help

From 5f8269da9c69dc3851f532af0d53693b521fdb91 Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@linux.intel.com>
Date: Thu, 27 May 2010 14:04:36 +0100
Subject: [PATCH 3578/3638] leds: Fix leds-gpio openfirmware compile issue

Fix a compile issue when openfirmware is enabled from commit
2146325df2c2640059a9e064890c30c6e259b458.

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/leds-gpio.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 26843dd6b85..cc22eeefa10 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -250,7 +250,6 @@ static int __devinit of_gpio_leds_probe(struct of_device *ofdev,
 		led.gpio = of_get_gpio_flags(child, 0, &flags);
 		led.active_low = flags & OF_GPIO_ACTIVE_LOW;
 		led.name = of_get_property(child, "label", NULL) ? : child->name;
-		led.blinking = 0;
 		led.default_trigger =
 			of_get_property(child, "linux,default-trigger", NULL);
 		state = of_get_property(child, "default-state", NULL);

From badf18b5f50aff62c8504bf28668b091af50ce45 Mon Sep 17 00:00:00 2001
From: Andreas Herrmann <andreas.herrmann3@amd.com>
Date: Fri, 28 May 2010 09:57:12 +0200
Subject: [PATCH 3579/3638] ALSA: hda: Add support for another Lenovo ThinkPad
 Edge in conexant codec

On a Thinkpad Edge 13 "01972NG" I had the problem that speakers played
sound although headphones were plugged in. Using model=ideapad with
latest alsa-git kernel fixed this. So adding this quirk to use ideapad
for another Thinkpad Edge variant seems sensible.

Cc: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_conexant.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index f4a2bd62166..2bf2cb5da95 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -2975,6 +2975,7 @@ static struct snd_pci_quirk cxt5066_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x1179, 0xff50, "Toshiba Satellite P500-PSPGSC-01800T", CXT5066_OLPC_XO_1_5),
 	SND_PCI_QUIRK(0x1179, 0xffe0, "Toshiba Satellite Pro T130-15F", CXT5066_OLPC_XO_1_5),
 	SND_PCI_QUIRK(0x17aa, 0x21b2, "Thinkpad X100e", CXT5066_IDEAPAD),
+	SND_PCI_QUIRK(0x17aa, 0x21b3, "Thinkpad Edge 13 (197)", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x21b4, "Thinkpad Edge", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x3a0d, "ideapad", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo Thinkpad", CXT5066_THINKPAD),

From 1378a7efe880b3b59a899eb60e9acae270b788d8 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 24 May 2010 10:33:50 +0900
Subject: [PATCH 3580/3638] ARM: SAMSUNG: Documentation: update the list of
 SoCs supported

Update the list of SoCs supported for the plat-s5p range.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 Documentation/arm/Samsung/Overview.txt | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Documentation/arm/Samsung/Overview.txt b/Documentation/arm/Samsung/Overview.txt
index 7cced1fea9c..e8c5dfcd0e3 100644
--- a/Documentation/arm/Samsung/Overview.txt
+++ b/Documentation/arm/Samsung/Overview.txt
@@ -13,9 +13,10 @@ Introduction
 
   - S3C24XX: See Documentation/arm/Samsung-S3C24XX/Overview.txt for full list
   - S3C64XX: S3C6400 and S3C6410
-  - S5PC6440
-
-  S5PC100 and S5PC110 support is currently being merged
+  - S5P6440
+  - S5P6442
+  - S5PC100
+  - S5PC110 / S5PV210
 
 
 S3C24XX Systems
@@ -35,7 +36,10 @@ Configuration
   unifying all the SoCs into one kernel.
 
   s5p6440_defconfig - S5P6440 specific default configuration
+  s5p6442_defconfig - S5P6442 specific default configuration
   s5pc100_defconfig - S5PC100 specific default configuration
+  s5pc110_defconfig - S5PC110 specific default configuration
+  s5pv210_defconfig - S5PV210 specific default configuration
 
 
 Layout

From 1b03ef462b5e87f7669d2ef5ccc84e7cf3801b35 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 24 May 2010 10:48:02 +0900
Subject: [PATCH 3581/3638] ARM: SAMSUNG: Documentation: update directory
 layout

Update the directory layout in Documentation/arm/Samsung/Overview.txt
to reflect the changes that have been made in the latest kernel
updates.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 Documentation/arm/Samsung/Overview.txt | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/Documentation/arm/Samsung/Overview.txt b/Documentation/arm/Samsung/Overview.txt
index e8c5dfcd0e3..c3094ea51aa 100644
--- a/Documentation/arm/Samsung/Overview.txt
+++ b/Documentation/arm/Samsung/Overview.txt
@@ -54,18 +54,27 @@ Layout
   specific information. It contains the base clock, GPIO and device definitions
   to get the system running.
 
-  plat-s3c is the s3c24xx/s3c64xx platform directory, although it is currently
-  involved in other builds this will be phased out once the relevant code is
-  moved elsewhere.
-
   plat-s3c24xx is for s3c24xx specific builds, see the S3C24XX docs.
 
-  plat-s3c64xx is for the s3c64xx specific bits, see the S3C24XX docs.
-
-  plat-s5p is for s5p specific builds, more to be added.
+  plat-s5p is for s5p specific builds, and contains common support for the
+  S5P specific systems. Not all S5Ps use all the features in this directory
+  due to differences in the hardware.
+
+
+Layout changes
+--------------
+
+  The old plat-s3c and plat-s5pc1xx directories have been removed, with
+  support moved to either plat-samsung or plat-s5p as necessary. These moves
+  where to simplify the include and dependency issues involved with having
+  so many different platform directories.
+
+  It was decided to remove plat-s5pc1xx as some of the support was already
+  in plat-s5p or plat-samsung, with the S5PC110 support added with S5PV210
+  the only user was the S5PC100. The S5PC100 specific items where moved to
+  arch/arm/mach-s5pc100.
 
 
-  [ to finish ]
 
 
 Port Contributors

From b9f141acf2a6b456e262bc54fd69c19d76c319d3 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 24 May 2010 10:53:06 +0900
Subject: [PATCH 3582/3638] ARM: S3C24XX: Documentation: update documentation
 overview

Add the two new SoCs added in this release cycle and update the notes
on the gpiolib conversion.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 Documentation/arm/Samsung-S3C24XX/Overview.txt | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/arm/Samsung-S3C24XX/Overview.txt b/Documentation/arm/Samsung-S3C24XX/Overview.txt
index 081892df4fd..0f11fcc1d51 100644
--- a/Documentation/arm/Samsung-S3C24XX/Overview.txt
+++ b/Documentation/arm/Samsung-S3C24XX/Overview.txt
@@ -8,10 +8,16 @@ Introduction
 
   The Samsung S3C24XX range of ARM9 System-on-Chip CPUs are supported
   by the 's3c2410' architecture of ARM Linux. Currently the S3C2410,
-  S3C2412, S3C2413, S3C2440, S3C2442 and S3C2443 devices are supported.
+  S3C2412, S3C2413, S3C2416 S3C2440, S3C2442, S3C2443 and S3C2450 devices
+  are supported.
 
   Support for the S3C2400 and S3C24A0 series are in progress.
 
+  The S3C2416 and S3C2450 devices are very similar and S3C2450 support is
+  included under the arch/arm/mach-s3c2416 directory. Note, whilst core
+  support for these SoCs is in, work on some of the extra peripherals
+  and extra interrupts is still ongoing.
+
 
 Configuration
 -------------
@@ -209,6 +215,9 @@ GPIO
   Newer kernels carry GPIOLIB, and support is being moved towards
   this with some of the older support in line to be removed.
 
+  As of v2.6.34, the move towards using gpiolib support is almost
+  complete, and very little of the old calls are left.
+
 
 Clock Management
 ----------------

From 70f5c9a4ddcbce3e6d7d54ec890a4bca19b4fc7a Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 24 May 2010 11:11:50 +0900
Subject: [PATCH 3583/3638] ARM: S3C24XX: Documentation: update GPIO
 documentation

Upate the S3C24XX GPIO documentation after the changes for gpiolib
and show which calls are being replaced by gpiolib or the new s3c
generic calls.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 Documentation/arm/Samsung-S3C24XX/GPIO.txt | 35 ++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/Documentation/arm/Samsung-S3C24XX/GPIO.txt b/Documentation/arm/Samsung-S3C24XX/GPIO.txt
index 2af2cf39915..9fe5feac212 100644
--- a/Documentation/arm/Samsung-S3C24XX/GPIO.txt
+++ b/Documentation/arm/Samsung-S3C24XX/GPIO.txt
@@ -24,8 +24,16 @@ GPIOLIB
   listed below will be removed (they may be marked as __deprecated
   in the near future).
 
-  - s3c2410_gpio_getpin
-  - s3c2410_gpio_setpin
+  The following functions now either have a s3c_ specific variant
+  or are merged into gpiolib. See the definitions in
+  arch/arm/plat-samsung/include/plat/gpio-cfg.h:
+
+  s3c2410_gpio_setpin()		gpio_set_value() or gpio_direction_output()
+  s3c2410_gpio_getpin()		gpio_get_value() or gpio_direction_input()
+  s3c2410_gpio_getirq()		gpio_to_irq()
+  s3c2410_gpio_cfgpin()		s3c_gpio_cfgpin()
+  s3c2410_gpio_getcfg()		s3c_gpio_getcfg()
+  s3c2410_gpio_pullup()		s3c_gpio_setpull()
 
 
 Headers
@@ -54,6 +62,11 @@ PIN Numbers
   eg S3C2410_GPA(0) or S3C2410_GPF(1). These defines are used to tell
   the GPIO functions which pin is to be used.
 
+  With the conversion to gpiolib, there is no longer a direct conversion
+  from gpio pin number to register base address as in earlier kernels. This
+  is due to the number space required for newer SoCs where the later
+  GPIOs are not contiguous.
+
 
 Configuring a pin
 -----------------
@@ -71,6 +84,8 @@ Configuring a pin
    which would turn GPA(0) into the lowest Address line A0, and set
    GPE(8) to be connected to the SDIO/MMC controller's SDDAT1 line.
 
+   The s3c_gpio_cfgpin() call is a functional replacement for this call.
+
 
 Reading the current configuration
 ---------------------------------
@@ -82,6 +97,9 @@ Reading the current configuration
   The return value will be from the same set of values which can be
   passed to s3c2410_gpio_cfgpin().
 
+  The s3c_gpio_getcfg() call should be a functional replacement for
+  this call.
+
 
 Configuring a pull-up resistor
 ------------------------------
@@ -95,6 +113,10 @@ Configuring a pull-up resistor
   Where the to value is zero to set the pull-up off, and 1 to enable
   the specified pull-up. Any other values are currently undefined.
 
+  The s3c_gpio_setpull() offers similar functionality, but with the
+  ability to encode whether the pull is up or down. Currently there
+  is no 'just on' state, so up or down must be selected.
+
 
 Getting the state of a PIN
 --------------------------
@@ -106,6 +128,9 @@ Getting the state of a PIN
   This will return either zero or non-zero. Do not count on this
   function returning 1 if the pin is set.
 
+  This call is now implemented by the relevant gpiolib calls, convert
+  your board or driver to use gpiolib.
+
 
 Setting the state of a PIN
 --------------------------
@@ -117,6 +142,9 @@ Setting the state of a PIN
   Which sets the given pin to the value. Use 0 to write 0, and 1 to
   set the output to 1.
 
+  This call is now implemented by the relevant gpiolib calls, convert
+  your board or driver to use gpiolib.
+
 
 Getting the IRQ number associated with a PIN
 --------------------------------------------
@@ -128,6 +156,9 @@ Getting the IRQ number associated with a PIN
 
   Note, not all pins have an IRQ.
 
+  This call is now implemented by the relevant gpiolib calls, convert
+  your board or driver to use gpiolib.
+
 
 Authour
 -------

From 0639b93d00812dc6a7c925a41ce3610d28f73d4e Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 24 May 2010 11:23:53 +0900
Subject: [PATCH 3584/3638] ARM: S3C24XX: Documentation: add section on gpiolib
 changes

Add section to the S3C24XX GPIO documentation on the recent changes
to move towards gpiolib integration.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 Documentation/arm/Samsung-S3C24XX/GPIO.txt | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/Documentation/arm/Samsung-S3C24XX/GPIO.txt b/Documentation/arm/Samsung-S3C24XX/GPIO.txt
index 9fe5feac212..228ecb61d2f 100644
--- a/Documentation/arm/Samsung-S3C24XX/GPIO.txt
+++ b/Documentation/arm/Samsung-S3C24XX/GPIO.txt
@@ -36,6 +36,50 @@ GPIOLIB
   s3c2410_gpio_pullup()		s3c_gpio_setpull()
 
 
+GPIOLIB conversion
+------------------
+
+If you need to convert your board or driver to use gpiolib from the exiting
+s3c2410 api, then here are some notes on the process.
+
+1) If your board is exclusively using an GPIO, say to control peripheral
+   power, then it will require to claim the gpio with gpio_request() before
+   it can use it.
+
+   It is recommended to check the return value, with at least WARN_ON()
+   during initialisation.
+
+2) The s3c2410_gpio_cfgpin() can be directly replaced with s3c_gpio_cfgpin()
+   as they have the same arguments, and can either take the pin specific
+   values, or the more generic special-function-number arguments.
+
+3) s3c2410_gpio_pullup() changs have the problem that whilst the 
+   s3c2410_gpio_pullup(x, 1) can be easily translated to the
+   s3c_gpio_setpull(x, S3C_GPIO_PULL_NONE), the s3c2410_gpio_pullup(x, 0)
+   are not so easy.
+
+   The s3c2410_gpio_pullup(x, 0) case enables the pull-up (or in the case
+   of some of the devices, a pull-down) and as such the new API distinguishes
+   between the UP and DOWN case. There is currently no 'just turn on' setting
+   which may be required if this becomes a problem.
+
+4) s3c2410_gpio_setpin() can be replaced by gpio_set_value(), the old call
+   does not implicitly configure the relevant gpio to output. The gpio
+   direction should be changed before using gpio_set_value().
+
+5) s3c2410_gpio_getpin() is replaceable by gpio_get_value() if the pin
+   has been set to input. It is currently unknown what the behaviour is
+   when using gpio_get_value() on an output pin (s3c2410_gpio_getpin
+   would return the value the pin is supposed to be outputting).
+
+6) s3c2410_gpio_getirq() should be directly replacable with the
+   gpio_to_irq() call.
+
+The s3c2410_gpio and gpio_ calls have always operated on the same gpio
+numberspace, so there is no problem with converting the gpio numbering
+between the calls.
+
+
 Headers
 -------
 

From 941439267820c6811f44f247caefe823d4e4f5cd Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 24 May 2010 12:11:43 +0900
Subject: [PATCH 3585/3638] ARM: SAMSUNG: Fix documentation for
 s3c_gpio_cfgpin()

Fix typo in s3c_gpio_cfgpin() documentation, the second argument is @to
not @pin again.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-samsung/include/plat/gpio-cfg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index 34efdd2b032..46838232b46 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -70,7 +70,7 @@ struct s3c_gpio_cfg {
 /**
  * s3c_gpio_cfgpin() - Change the GPIO function of a pin.
  * @pin pin The pin number to configure.
- * @pin to The configuration for the pin's function.
+ * @to to The configuration for the pin's function.
  *
  * Configure which function is actually connected to the external
  * pin, such as an gpio input, output or some form of special function

From d192baeaa7a068b4e5151a34b4121d99938e396d Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 24 May 2010 12:13:30 +0900
Subject: [PATCH 3586/3638] ARM: SAMSUNG: Documentation: add documentation on
 GPIO code

Add some documentation in Documentation/arm/Samsung for the GPIO code
and where to look for the necessary functions. Update the S3C24XX case
as well.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 Documentation/arm/Samsung-S3C24XX/GPIO.txt    |  2 +
 .../arm/Samsung-S3C24XX/Overview.txt          |  4 ++
 Documentation/arm/Samsung/GPIO.txt            | 42 +++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 Documentation/arm/Samsung/GPIO.txt

diff --git a/Documentation/arm/Samsung-S3C24XX/GPIO.txt b/Documentation/arm/Samsung-S3C24XX/GPIO.txt
index 228ecb61d2f..816d6071669 100644
--- a/Documentation/arm/Samsung-S3C24XX/GPIO.txt
+++ b/Documentation/arm/Samsung-S3C24XX/GPIO.txt
@@ -12,6 +12,8 @@ Introduction
   of the s3c2410 GPIO system, please read the Samsung provided
   data-sheet/users manual to find out the complete list.
 
+  See Documentation/arm/Samsung/GPIO.txt for the core implemetation.
+
 
 GPIOLIB
 -------
diff --git a/Documentation/arm/Samsung-S3C24XX/Overview.txt b/Documentation/arm/Samsung-S3C24XX/Overview.txt
index 0f11fcc1d51..c12bfc1a00c 100644
--- a/Documentation/arm/Samsung-S3C24XX/Overview.txt
+++ b/Documentation/arm/Samsung-S3C24XX/Overview.txt
@@ -218,6 +218,10 @@ GPIO
   As of v2.6.34, the move towards using gpiolib support is almost
   complete, and very little of the old calls are left.
 
+  See Documentation/arm/Samsung-S3C24XX/GPIO.txt for the S3C24XX specific
+  support and Documentation/arm/Samsung/GPIO.txt for the core Samsung
+  implementation.
+
 
 Clock Management
 ----------------
diff --git a/Documentation/arm/Samsung/GPIO.txt b/Documentation/arm/Samsung/GPIO.txt
new file mode 100644
index 00000000000..05850c62abe
--- /dev/null
+++ b/Documentation/arm/Samsung/GPIO.txt
@@ -0,0 +1,42 @@
+		Samsung GPIO implementation
+		===========================
+
+Introduction
+------------
+
+This outlines the Samsung GPIO implementation and the architecture
+specfic calls provided alongisde the drivers/gpio core.
+
+
+S3C24XX (Legacy)
+----------------
+
+See Documentation/arm/Samsung-S3C24XX/GPIO.txt for more information
+about these devices. Their implementation is being brought into line
+with the core samsung implementation described in this document.
+
+
+GPIOLIB integration
+-------------------
+
+The gpio implementation uses gpiolib as much as possible, only providing
+specific calls for the items that require Samsung specific handling, such
+as pin special-function or pull resistor control.
+
+GPIO numbering is synchronised between the Samsung and gpiolib system.
+
+
+PIN configuration
+-----------------
+
+Pin configuration is specific to the Samsung architecutre, with each SoC
+registering the necessary information for the core gpio configuration
+implementation to configure pins as necessary.
+
+The s3c_gpio_cfgpin() and s3c_gpio_setpull() provide the means for a
+driver or machine to change gpio configuration.
+
+See arch/arm/plat-samsung/include/plat/gpio-cfg.h for more information
+on these functions.
+
+

From 189e0445d8b5246aa570fc3881b4739c443bec8a Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Mon, 24 May 2010 12:21:40 +0900
Subject: [PATCH 3587/3638] ARM: SAMSUNG: gpio-cfg.h: update documentation

Update the documentation on the gpio configuration calls to add more
references to useful information and also to document the values that
are passed.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-samsung/include/plat/gpio-cfg.h | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index 46838232b46..db4112c6f2b 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -43,6 +43,11 @@ struct s3c_gpio_chip;
  * layouts. Provide an point to vector control routine and provide any
  * per-bank configuration information that other systems such as the
  * external interrupt code will need.
+ *
+ * @sa s3c_gpio_cfgpin
+ * @sa s3c_gpio_getcfg
+ * @sa s3c_gpio_setpull
+ * @sa s3c_gpio_getpull
  */
 struct s3c_gpio_cfg {
 	unsigned int	cfg_eint;
@@ -75,6 +80,20 @@ struct s3c_gpio_cfg {
  * Configure which function is actually connected to the external
  * pin, such as an gpio input, output or some form of special function
  * connected to an internal peripheral block.
+ *
+ * The @to parameter can be one of the generic S3C_GPIO_INPUT, S3C_GPIO_OUTPUT
+ * or S3C_GPIO_SFN() to indicate one of the possible values that the helper
+ * will then generate the correct bit mask and shift for the configuration.
+ *
+ * If a bank of GPIOs all needs to be set to special-function 2, then
+ * the following code will work:
+ *
+ *	for (gpio = start; gpio < end; gpio++)
+ *		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ *
+ * The @to parameter can also be a specific value already shifted to the
+ * correct position in the control register, although these are discouraged
+ * in newer kernels and are only being kept for compatibility.
  */
 extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to);
 
@@ -108,6 +127,8 @@ extern unsigned s3c_gpio_getcfg(unsigned int pin);
  * This function sets the state of the pull-{up,down} resistor for the
  * specified pin. It will return 0 if successfull, or a negative error
  * code if the pin cannot support the requested pull setting.
+ *
+ * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP.
 */
 extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull);
 

From 5f4c5b2de442dae32ec5059dda996ac6375ebf36 Mon Sep 17 00:00:00 2001
From: Thomas Abraham <thomas.ab@samsung.com>
Date: Fri, 28 May 2010 11:41:14 +0900
Subject: [PATCH 3588/3638] ARM: S3C64XX: Add USB OTG HCLK to the list of
 clocks

Add the USB OTG HCLK clock to the list of clocks to be registered
during initialization.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s3c64xx/clock.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c
index 7a4138beb66..fbd85a9b7bb 100644
--- a/arch/arm/mach-s3c64xx/clock.c
+++ b/arch/arm/mach-s3c64xx/clock.c
@@ -258,6 +258,12 @@ static struct clk init_clocks[] = {
 		.parent		= &clk_h,
 		.enable		= s3c64xx_hclk_ctrl,
 		.ctrlbit	= S3C_CLKCON_HCLK_HSMMC2,
+	}, {
+		.name		= "otg",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c64xx_hclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_HCLK_USB,
 	}, {
 		.name		= "timers",
 		.id		= -1,

From 8fb9d2d72e00a975872d156f7fb045375189d09e Mon Sep 17 00:00:00 2001
From: Thomas Abraham <thomas.ab@samsung.com>
Date: Fri, 28 May 2010 11:41:16 +0900
Subject: [PATCH 3589/3638] ARM: S5P: Regoster clk_xusbxti clock for hsotg
 driver

The clk_xusbxti clock is added to the list of clocks to be
registred during boot time clock registration.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ben-linux@fluff.org: edited title]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-s5p/clock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c
index 24a931fd8d3..b5e255265f2 100644
--- a/arch/arm/plat-s5p/clock.c
+++ b/arch/arm/plat-s5p/clock.c
@@ -148,6 +148,7 @@ static struct clk *s5p_clks[] __initdata = {
 	&clk_fout_vpll,
 	&clk_arm,
 	&clk_vpll,
+	&clk_xusbxti,
 };
 
 void __init s5p_register_clocks(unsigned long xtal_freq)

From e56210caeb391a117aef4f109e012d58a56cab2a Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Fri, 28 May 2010 19:08:45 +0900
Subject: [PATCH 3590/3638] ARM: s3c6400_defconfig: Update compiled machines

Add the machines that have been added in the last round
to the list of builds.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index 7d8b4cf3858..e5fa4eab57b 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -1,9 +1,10 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.34
-# Wed May 26 19:04:30 2010
+# Fri May 28 19:05:39 2010
 #
 CONFIG_ARM=y
+CONFIG_HAVE_PWM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
@@ -253,12 +254,15 @@ CONFIG_S3C_GPIO_TRACK=y
 # CONFIG_S3C_ADC is not set
 CONFIG_S3C_DEV_HSMMC=y
 CONFIG_S3C_DEV_HSMMC1=y
+CONFIG_S3C_DEV_HSMMC2=y
+CONFIG_S3C_DEV_HWMON=y
 CONFIG_S3C_DEV_I2C1=y
 CONFIG_S3C_DEV_FB=y
 CONFIG_S3C_DEV_USB_HOST=y
 CONFIG_S3C_DEV_USB_HSOTG=y
 CONFIG_S3C_DEV_WDT=y
 CONFIG_S3C_DEV_NAND=y
+CONFIG_S3C_DEV_RTC=y
 CONFIG_SAMSUNG_DEV_ADC=y
 CONFIG_SAMSUNG_DEV_TS=y
 CONFIG_S3C_DMA=y
@@ -271,6 +275,7 @@ CONFIG_S3C_DMA=y
 # CONFIG_SAMSUNG_PM_CHECK is not set
 CONFIG_SAMSUNG_WAKEMASK=y
 CONFIG_PLAT_S3C64XX=y
+CONFIG_CPU_S3C6400=y
 CONFIG_CPU_S3C6410=y
 CONFIG_S3C64XX_DMA=y
 CONFIG_S3C64XX_SETUP_SDHCI=y
@@ -278,17 +283,18 @@ CONFIG_S3C64XX_SETUP_I2C0=y
 CONFIG_S3C64XX_SETUP_I2C1=y
 CONFIG_S3C64XX_SETUP_FB_24BPP=y
 CONFIG_S3C64XX_SETUP_SDHCI_GPIO=y
-# CONFIG_MACH_SMDK6400 is not set
-# CONFIG_MACH_ANW6410 is not set
+CONFIG_MACH_SMDK6400=y
+CONFIG_MACH_ANW6410=y
 CONFIG_MACH_SMDK6410=y
 CONFIG_SMDK6410_SD_CH0=y
 # CONFIG_SMDK6410_SD_CH1 is not set
 # CONFIG_SMDK6410_WM1190_EV1 is not set
 # CONFIG_SMDK6410_WM1192_EV1 is not set
-# CONFIG_MACH_NCP is not set
-# CONFIG_MACH_HMT is not set
-# CONFIG_MACH_SMARTQ5 is not set
-# CONFIG_MACH_SMARTQ7 is not set
+CONFIG_MACH_NCP=y
+CONFIG_MACH_HMT=y
+CONFIG_MACH_SMARTQ=y
+CONFIG_MACH_SMARTQ5=y
+CONFIG_MACH_SMARTQ7=y
 
 #
 # Processor Type

From 56a5cbaf2aabda22991c136bfdf706e97859cc42 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Fri, 28 May 2010 18:26:23 +0900
Subject: [PATCH 3591/3638] ARM: s3c6400_defconfig: Add SPI driver

The SPI driver was added last kernel round, so enable
the core SPI and add the 64XX and bitbang driver as
modules.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 38 +++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index e5fa4eab57b..673eeceb1e9 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -481,6 +481,9 @@ CONFIG_MTD_CFI_I2=y
 #
 # Self-contained MTD device drivers
 #
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -540,12 +543,14 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ISL29003 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_DS1682 is not set
+# CONFIG_TI_DAC7512 is not set
 # CONFIG_C2PORT is not set
 
 #
 # EEPROM support
 #
 CONFIG_EEPROM_AT24=y
+# CONFIG_EEPROM_AT25 is not set
 # CONFIG_EEPROM_LEGACY is not set
 # CONFIG_EEPROM_MAX6875 is not set
 # CONFIG_EEPROM_93CX6 is not set
@@ -660,6 +665,7 @@ CONFIG_SERIAL_SAMSUNG_UARTS=4
 # CONFIG_SERIAL_SAMSUNG_DEBUG is not set
 CONFIG_SERIAL_SAMSUNG_CONSOLE=y
 CONFIG_SERIAL_S3C6400=y
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_TIMBERDALE is not set
@@ -709,7 +715,24 @@ CONFIG_I2C_S3C2410=y
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_SPI is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=m
+CONFIG_SPI_GPIO=m
+CONFIG_SPI_S3C64XX=m
+# CONFIG_SPI_XILINX is not set
+# CONFIG_SPI_DESIGNWARE is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
 
 #
 # PPS support
@@ -741,6 +764,9 @@ CONFIG_GPIOLIB=y
 #
 # SPI GPIO expanders:
 #
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
 
 #
 # AC97 GPIO expanders:
@@ -756,6 +782,7 @@ CONFIG_HWMON=y
 #
 # CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
+# CONFIG_SENSORS_ADCXX is not set
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
@@ -777,6 +804,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM70 is not set
 # CONFIG_SENSORS_LM73 is not set
 # CONFIG_SENSORS_LM75 is not set
 # CONFIG_SENSORS_LM77 is not set
@@ -791,6 +819,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LTC4215 is not set
 # CONFIG_SENSORS_LTC4245 is not set
 # CONFIG_SENSORS_LM95241 is not set
+# CONFIG_SENSORS_MAX1111 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_MAX6650 is not set
 # CONFIG_SENSORS_PC87360 is not set
@@ -802,6 +831,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_ADS7871 is not set
 # CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_TMP401 is not set
@@ -815,6 +845,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_SENSORS_LIS3_SPI is not set
 # CONFIG_SENSORS_LIS3_I2C is not set
 # CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
@@ -851,7 +882,10 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_WM8350_I2C is not set
 # CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
 # CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_AB4500_CORE is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -901,6 +935,7 @@ CONFIG_SND_DRIVERS=y
 # CONFIG_SND_SERIAL_U16550 is not set
 # CONFIG_SND_MPU401 is not set
 CONFIG_SND_ARM=y
+CONFIG_SND_SPI=y
 CONFIG_SND_SOC=m
 CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_S3C24XX_SOC=m
@@ -957,6 +992,7 @@ CONFIG_MMC_SDHCI=y
 # CONFIG_MMC_SDHCI_PLTFM is not set
 CONFIG_MMC_SDHCI_S3C=y
 # CONFIG_MMC_SDHCI_S3C_DMA is not set
+# CONFIG_MMC_SPI is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set

From 8a776fb92498ecf3d9c5a09d2edb2389cd7f31e0 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Fri, 28 May 2010 18:36:25 +0900
Subject: [PATCH 3592/3638] ARM: s3c6400_defconfig: Enable USB host side

Enable the USB Host side by adding the USB OHCI and
some basic USB driver modules.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 220 ++++++++++++++++++++++++++++-
 1 file changed, 217 insertions(+), 3 deletions(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index 673eeceb1e9..e87a0587761 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -510,6 +510,7 @@ CONFIG_MTD_NAND_S3C2410=y
 # CONFIG_MTD_NAND_S3C2410_CLKSTOP is not set
 # CONFIG_MTD_NAND_DISKONCHIP is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
 # CONFIG_MTD_ONENAND is not set
 
 #
@@ -530,6 +531,7 @@ CONFIG_BLK_DEV_LOOP=y
 #
 # DRBD disabled because PROC_FS, INET or CONNECTOR not selected
 #
+# CONFIG_BLK_DEV_UB is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
@@ -706,6 +708,7 @@ CONFIG_I2C_S3C2410=y
 #
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
 
 #
 # Other I2C/SMBus bus drivers
@@ -936,6 +939,10 @@ CONFIG_SND_DRIVERS=y
 # CONFIG_SND_MPU401 is not set
 CONFIG_SND_ARM=y
 CONFIG_SND_SPI=y
+CONFIG_SND_USB=y
+# CONFIG_SND_USB_AUDIO is not set
+# CONFIG_SND_USB_UA101 is not set
+# CONFIG_SND_USB_CAIAQ is not set
 CONFIG_SND_SOC=m
 CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_S3C24XX_SOC=m
@@ -950,29 +957,197 @@ CONFIG_AC97_BUS=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
 # CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
 
 #
 # Special HID drivers
 #
+# CONFIG_HID_3M_PCT is not set
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+# CONFIG_HID_CANDO is not set
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+# CONFIG_HID_PRODIKEYS is not set
+CONFIG_HID_CYPRESS=y
+# CONFIG_HID_DRAGONRISE is not set
+# CONFIG_HID_EGALAX is not set
+CONFIG_HID_EZKEY=y
+CONFIG_HID_KYE=y
+# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_TWINHAN is not set
+CONFIG_HID_KENSINGTON=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+# CONFIG_LOGIG940_FF is not set
+CONFIG_HID_MICROSOFT=y
+# CONFIG_HID_MOSART is not set
+CONFIG_HID_MONTEREY=y
+# CONFIG_HID_NTRIG is not set
+# CONFIG_HID_ORTEK is not set
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_PICOLCD is not set
+# CONFIG_HID_QUANTA is not set
+# CONFIG_HID_ROCCAT_KONE is not set
+# CONFIG_HID_SAMSUNG is not set
+# CONFIG_HID_SONY is not set
+# CONFIG_HID_STANTUM is not set
+# CONFIG_HID_SUNPLUS is not set
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_ZEROPLUS is not set
+# CONFIG_HID_ZYDACRON is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
 # CONFIG_USB_ARCH_HAS_EHCI is not set
-# CONFIG_USB is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 
 #
-# Enable Host or Gadget support to see Inventra options
+# Miscellaneous USB options
 #
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_MON is not set
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+# CONFIG_USB_MUSB_HDRC is not set
+
+#
+# USB Device Class drivers
+#
+CONFIG_USB_ACM=m
+CONFIG_USB_PRINTER=m
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
 #
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+
+#
+# USB port drivers
+#
+CONFIG_USB_SERIAL=m
+# CONFIG_USB_EZUSB is not set
+CONFIG_USB_SERIAL_GENERIC=y
+# CONFIG_USB_SERIAL_AIRCABLE is not set
+# CONFIG_USB_SERIAL_ARK3116 is not set
+# CONFIG_USB_SERIAL_BELKIN is not set
+# CONFIG_USB_SERIAL_CH341 is not set
+# CONFIG_USB_SERIAL_WHITEHEAT is not set
+# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
+# CONFIG_USB_SERIAL_CP210X is not set
+# CONFIG_USB_SERIAL_CYPRESS_M8 is not set
+CONFIG_USB_SERIAL_EMPEG=m
+CONFIG_USB_SERIAL_FTDI_SIO=m
+# CONFIG_USB_SERIAL_FUNSOFT is not set
+# CONFIG_USB_SERIAL_VISOR is not set
+# CONFIG_USB_SERIAL_IPAQ is not set
+# CONFIG_USB_SERIAL_IR is not set
+# CONFIG_USB_SERIAL_EDGEPORT is not set
+# CONFIG_USB_SERIAL_EDGEPORT_TI is not set
+# CONFIG_USB_SERIAL_GARMIN is not set
+# CONFIG_USB_SERIAL_IPW is not set
+# CONFIG_USB_SERIAL_IUU is not set
+# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
+# CONFIG_USB_SERIAL_KEYSPAN is not set
+# CONFIG_USB_SERIAL_KLSI is not set
+# CONFIG_USB_SERIAL_KOBIL_SCT is not set
+# CONFIG_USB_SERIAL_MCT_U232 is not set
+# CONFIG_USB_SERIAL_MOS7720 is not set
+# CONFIG_USB_SERIAL_MOS7840 is not set
+# CONFIG_USB_SERIAL_MOTOROLA is not set
+# CONFIG_USB_SERIAL_NAVMAN is not set
+CONFIG_USB_SERIAL_PL2303=m
+# CONFIG_USB_SERIAL_OTI6858 is not set
+# CONFIG_USB_SERIAL_QCAUX is not set
+# CONFIG_USB_SERIAL_QUALCOMM is not set
+# CONFIG_USB_SERIAL_SPCP8X5 is not set
+# CONFIG_USB_SERIAL_HP4X is not set
+# CONFIG_USB_SERIAL_SAFE is not set
+# CONFIG_USB_SERIAL_SIEMENS_MPI is not set
+# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set
+# CONFIG_USB_SERIAL_SYMBOL is not set
+# CONFIG_USB_SERIAL_TI is not set
+# CONFIG_USB_SERIAL_CYBERJACK is not set
+# CONFIG_USB_SERIAL_XIRCOM is not set
+# CONFIG_USB_SERIAL_OPTION is not set
+# CONFIG_USB_SERIAL_OMNINET is not set
+# CONFIG_USB_SERIAL_OPTICON is not set
+# CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set
+# CONFIG_USB_SERIAL_ZIO is not set
+# CONFIG_USB_SERIAL_DEBUG is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
 # CONFIG_USB_GADGET is not set
 
 #
 # OTG and related infrastructure
 #
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_USB_ULPI is not set
+# CONFIG_NOP_USB_XCEIV is not set
 CONFIG_MMC=y
 CONFIG_MMC_DEBUG=y
 CONFIG_MMC_UNSAFE_RESUME=y
@@ -1094,7 +1269,46 @@ CONFIG_ROMFS_ON_BLOCK=y
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-# CONFIG_NLS is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+# CONFIG_NLS_CODEPAGE_437 is not set
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+# CONFIG_NLS_ISO8859_1 is not set
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
 
 #
 # Kernel hacking

From ad2cf090e2e00530379ebe114bffce19f618b11c Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Fri, 28 May 2010 18:39:10 +0900
Subject: [PATCH 3593/3638] ARM: s3c6400_defconfig: Add RTC driver support

Now that the RTC driver supports the S3C64XX, enable
it in the build.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 67 +++++++++++++++++++++++++++++-
 1 file changed, 66 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index e87a0587761..55fd5204340 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -1172,7 +1172,72 @@ CONFIG_MMC_SDHCI_S3C=y
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_BQ32K is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_S3C=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set

From 856066c307958352b5fe10ee65e360b3a795d8f5 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Fri, 28 May 2010 18:42:35 +0900
Subject: [PATCH 3594/3638] ARM: s3c6400_defconfig: Add framebuffer and basic
 LCD

Add the framebuffer driver and some basic LCD configurations
that should be suitable for the SMDK boards.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c6400_defconfig | 45 ++++++++++++++++++++++++++++--
 1 file changed, 43 insertions(+), 2 deletions(-)

diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index 55fd5204340..2b642386f03 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -897,8 +897,47 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
-# CONFIG_FB is not set
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_S3C=y
+# CONFIG_FB_S3C_DEBUG_REGWRITE is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=y
+# CONFIG_LCD_L4F00242T03 is not set
+# CONFIG_LCD_LMS283GF05 is not set
+CONFIG_LCD_LTV350QV=y
+# CONFIG_LCD_ILI9320 is not set
+# CONFIG_LCD_TDO24M is not set
+# CONFIG_LCD_VGG2432A4 is not set
+# CONFIG_LCD_PLATFORM is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_GENERIC=y
+CONFIG_BACKLIGHT_PWM=y
 
 #
 # Display device support
@@ -910,6 +949,8 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+# CONFIG_LOGO is not set
 CONFIG_SOUND=y
 CONFIG_SOUND_OSS_CORE=y
 CONFIG_SOUND_OSS_CORE_PRECLAIM=y

From 2992bc0668ea4ef1a3d12cd883ac04f1067f5777 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Fri, 28 May 2010 19:28:06 +0900
Subject: [PATCH 3595/3638] ARM: s3c2410_defconfig: Add new machines

Add the SMDK2416, and the GTA02 to the list of machines
that are included in the s3c2410_defconfig.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/configs/s3c2410_defconfig | 35 +++++++++++++++++++++++-------
 1 file changed, 27 insertions(+), 8 deletions(-)

diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
index 43af89c027d..44cea2ddd22 100644
--- a/arch/arm/configs/s3c2410_defconfig
+++ b/arch/arm/configs/s3c2410_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.34
-# Wed May 26 19:04:29 2010
+# Fri May 28 19:15:48 2010
 #
 CONFIG_ARM=y
 CONFIG_HAVE_PWM=y
@@ -250,12 +250,15 @@ CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
 CONFIG_S3C_LOWLEVEL_UART_PORT=0
 CONFIG_SAMSUNG_CLKSRC=y
 CONFIG_S3C_GPIO_CFG_S3C24XX=y
+CONFIG_S3C_GPIO_PULL_UPDOWN=y
 CONFIG_S3C_GPIO_PULL_UP=y
 CONFIG_SAMSUNG_GPIO_EXTRA=0
 CONFIG_S3C_GPIO_SPACE=0
 CONFIG_S3C_ADC=y
 CONFIG_S3C_DEV_HSMMC=y
+CONFIG_S3C_DEV_HSMMC1=y
 CONFIG_S3C_DEV_HWMON=y
+CONFIG_S3C_DEV_FB=y
 CONFIG_S3C_DEV_USB_HOST=y
 CONFIG_S3C_DEV_WDT=y
 CONFIG_S3C_DEV_NAND=y
@@ -322,11 +325,13 @@ CONFIG_MACH_SMDK2413=y
 CONFIG_MACH_S3C2413=y
 CONFIG_MACH_SMDK2412=y
 CONFIG_MACH_VSTMS=y
+CONFIG_CPU_S3C2416=y
+CONFIG_S3C2416_DMA=y
 
 #
 # S3C2416 Machines
 #
-# CONFIG_MACH_SMDK2416 is not set
+CONFIG_MACH_SMDK2416=y
 CONFIG_CPU_S3C2440=y
 CONFIG_CPU_S3C2442=y
 CONFIG_CPU_S3C244X=y
@@ -338,9 +343,9 @@ CONFIG_S3C2440_DMA=y
 # S3C2440 and S3C2442 Machines
 #
 CONFIG_MACH_ANUBIS=y
-# CONFIG_MACH_NEO1973_GTA02 is not set
+CONFIG_MACH_NEO1973_GTA02=y
 CONFIG_MACH_OSIRIS=y
-# CONFIG_MACH_OSIRIS_DVS is not set
+CONFIG_MACH_OSIRIS_DVS=m
 CONFIG_MACH_RX3715=y
 CONFIG_ARCH_S3C2440=y
 CONFIG_MACH_NEXCODER_2440=y
@@ -348,7 +353,7 @@ CONFIG_SMDK2440_CPU2440=y
 CONFIG_SMDK2440_CPU2442=y
 CONFIG_MACH_AT2440EVB=y
 CONFIG_MACH_MINI2440=y
-# CONFIG_MACH_RX1950 is not set
+CONFIG_MACH_RX1950=y
 CONFIG_CPU_S3C2443=y
 CONFIG_S3C2443_DMA=y
 
@@ -1302,6 +1307,7 @@ CONFIG_INPUT_POWERMATE=m
 CONFIG_INPUT_YEALINK=m
 CONFIG_INPUT_CM109=m
 CONFIG_INPUT_UINPUT=m
+# CONFIG_INPUT_PCF50633_PMU is not set
 # CONFIG_INPUT_PCF8574 is not set
 CONFIG_INPUT_GPIO_ROTARY_ENCODER=m
 
@@ -1490,7 +1496,16 @@ CONFIG_GPIOLIB=y
 # AC97 GPIO expanders:
 #
 # CONFIG_W1 is not set
-# CONFIG_POWER_SUPPLY is not set
+CONFIG_POWER_SUPPLY=y
+# CONFIG_POWER_SUPPLY_DEBUG is not set
+# CONFIG_PDA_POWER is not set
+# CONFIG_APM_POWER is not set
+# CONFIG_TEST_POWER is not set
+# CONFIG_BATTERY_DS2760 is not set
+# CONFIG_BATTERY_DS2782 is not set
+# CONFIG_BATTERY_BQ27x00 is not set
+# CONFIG_BATTERY_MAX17040 is not set
+# CONFIG_CHARGER_PCF50633 is not set
 CONFIG_HWMON=y
 CONFIG_HWMON_VID=m
 # CONFIG_HWMON_DEBUG_CHIP is not set
@@ -1607,7 +1622,7 @@ CONFIG_MFD_SM501=y
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_HTC_I2CPLD is not set
 # CONFIG_UCB1400_CORE is not set
-# CONFIG_TPS65010 is not set
+CONFIG_TPS65010=m
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_T7L66XB is not set
@@ -1620,8 +1635,10 @@ CONFIG_MFD_SM501=y
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
 # CONFIG_MFD_WM8994 is not set
-# CONFIG_MFD_PCF50633 is not set
+CONFIG_MFD_PCF50633=y
 # CONFIG_MFD_MC13783 is not set
+# CONFIG_PCF50633_ADC is not set
+CONFIG_PCF50633_GPIO=y
 # CONFIG_AB3100_CORE is not set
 # CONFIG_EZX_PCAP is not set
 # CONFIG_AB4500_CORE is not set
@@ -1737,6 +1754,7 @@ CONFIG_SND_S3C24XX_SOC_I2S=y
 CONFIG_SND_S3C_I2SV2_SOC=m
 CONFIG_SND_S3C2412_SOC_I2S=m
 CONFIG_SND_S3C_SOC_AC97=m
+# CONFIG_SND_S3C24XX_SOC_NEO1973_GTA02_WM8753 is not set
 CONFIG_SND_S3C24XX_SOC_JIVE_WM8750=m
 CONFIG_SND_S3C24XX_SOC_SMDK2443_WM9710=m
 CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650=m
@@ -2045,6 +2063,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_RP5C01 is not set
 # CONFIG_RTC_DRV_V3020 is not set
+# CONFIG_RTC_DRV_PCF50633 is not set
 
 #
 # on-CPU RTC drivers

From 5d66ceee78f74ca52661634f6f822a99cf406974 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Fri, 28 May 2010 19:21:11 +0900
Subject: [PATCH 3596/3638] ARM: S5PV210: serial: Fix section mismatch warning

Rename the structure to avoid the following warning:

WARNING: drivers/serial/built-in.o(.data+0x534): Section mismatch in reference from the variable s5p_serial_drv to the function .devexit.text:s3c24xx_serial_remove()
The variable s5p_serial_drv references
the function __devexit s3c24xx_serial_remove()
If the reference is valid then annotate the
variable with __exit* (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 drivers/serial/s5pv210.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/serial/s5pv210.c b/drivers/serial/s5pv210.c
index 8dc03837617..4a789e5361a 100644
--- a/drivers/serial/s5pv210.c
+++ b/drivers/serial/s5pv210.c
@@ -119,7 +119,7 @@ static int s5p_serial_probe(struct platform_device *pdev)
 	return s3c24xx_serial_probe(pdev, s5p_uart_inf[pdev->id]);
 }
 
-static struct platform_driver s5p_serial_drv = {
+static struct platform_driver s5p_serial_driver = {
 	.probe		= s5p_serial_probe,
 	.remove		= __devexit_p(s3c24xx_serial_remove),
 	.driver		= {
@@ -130,19 +130,19 @@ static struct platform_driver s5p_serial_drv = {
 
 static int __init s5pv210_serial_console_init(void)
 {
-	return s3c24xx_serial_initconsole(&s5p_serial_drv, s5p_uart_inf);
+	return s3c24xx_serial_initconsole(&s5p_serial_driver, s5p_uart_inf);
 }
 
 console_initcall(s5pv210_serial_console_init);
 
 static int __init s5p_serial_init(void)
 {
-	return s3c24xx_serial_init(&s5p_serial_drv, *s5p_uart_inf);
+	return s3c24xx_serial_init(&s5p_serial_driver, *s5p_uart_inf);
 }
 
 static void __exit s5p_serial_exit(void)
 {
-	platform_driver_unregister(&s5p_serial_drv);
+	platform_driver_unregister(&s5p_serial_driver);
 }
 
 module_init(s5p_serial_init);

From e5199edb9e1b17792743d76bf10601ec7d6ef513 Mon Sep 17 00:00:00 2001
From: Toralf Foerster <toralf.foerster@gmx.de>
Date: Fri, 28 May 2010 10:24:59 +0200
Subject: [PATCH 3597/3638] kconfig: Make a variable local in
 streamline_config.pl

Proper perl requires that local variables should be declared with 'my',
otherwise this may produce errors.

Signed-off-by: Toralf Foerster <toralf.foerster@gmx.de>
LKML-Reference: <201005281025.00358.toralf.foerster@gmx.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 scripts/kconfig/streamline_config.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index afbd54ac1d8..9726946472f 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -307,7 +307,7 @@ close (LIN);
 my %configs;
 foreach my $module (keys(%modules)) {
     if (defined($objects{$module})) {
-	@arr = @{$objects{$module}};
+	my @arr = @{$objects{$module}};
 	foreach my $conf (@arr) {
 	    $configs{$conf} = $module;
 	}

From 1d1d1feafd5d42e9e1312d42973e661582e51704 Mon Sep 17 00:00:00 2001
From: Toralf Foerster <toralf.foerster@gmx.de>
Date: Fri, 28 May 2010 10:25:52 +0200
Subject: [PATCH 3598/3638] kconfig: Fix typo in comment in
 streamline_config.pl

Signed-off-by: Toralf Foerster <toralf.foerster@gmx.de>
LKML-Reference: <201005281025.52753.toralf.foerster@gmx.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 scripts/kconfig/streamline_config.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 9726946472f..2f8bde80971 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -242,7 +242,7 @@ foreach my $makefile (@makefiles) {
 	    foreach my $obj (split /\s+/,$objs) {
 		$obj =~ s/-/_/g;
 		if ($obj =~ /(.*)\.o$/) {
-		    # Objects may bes enabled by more than one config.
+		    # Objects may be enabled by more than one config.
 		    # Store configs in an array.
 		    my @arr;
 

From 17431928194b36a0f88082df875e2e036da7fddf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Toralf=20F=C3=B6rster?= <toralf.foerster@gmx.de>
Date: Wed, 26 May 2010 20:22:02 +0200
Subject: [PATCH 3599/3638] kconfig: Hide error output in find command in
 streamline_config.pl

Finding the list of Makefiles in streamline-config should not report errors.

Also move the "chomp" to the @makefiles array instead of doing it in the
for loop. This is more efficient, and does not make it any less readable
by C programmers.

Signed-off-by: Toralf Foerster <toralf.foerster@gmx.de>
LKML-Reference: <201005262022.02928.toralf.foerster@gmx.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 scripts/kconfig/streamline_config.pl | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 2f8bde80971..c70a27d924f 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -115,7 +115,9 @@ my $ksource = $ARGV[0];
 my $kconfig = $ARGV[1];
 my $lsmod_file = $ARGV[2];
 
-my @makefiles = `find $ksource -name Makefile`;
+my @makefiles = `find $ksource -name Makefile 2>/dev/null`;
+chomp @makefiles;
+
 my %depends;
 my %selects;
 my %prompts;
@@ -215,7 +217,6 @@ if ($kconfig) {
 
 # Read all Makefiles to map the configs to the objects
 foreach my $makefile (@makefiles) {
-    chomp $makefile;
 
     open(MIN,$makefile) || die "Can't open $makefile";
     while (<MIN>) {

From 49837a80b38b79a7c06217b2c40842aeb6fa13b9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 28 May 2010 11:34:50 -0400
Subject: [PATCH 3600/3638] remove detritus left by "mm: make read_cache_page
 synchronous"

gets minix get_dir_page() in sync with its analogs; back in 2007
Nick has switched read_cache_page() and friends to sync behaviour
(i.e.  they wait for the page to get unlocked, check if it's uptodate
and if it isn't return ERR_PTR(-EIO) instead) and removed the
duplicate logics from the callers.  In case of fs/minix/dir.c he'd
removed only half of that...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/minix/dir.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index aaab97ec5bc..91969589131 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -72,11 +72,8 @@ static struct page * dir_get_page(struct inode *dir, unsigned long n)
 {
 	struct address_space *mapping = dir->i_mapping;
 	struct page *page = read_mapping_page(mapping, n, NULL);
-	if (!IS_ERR(page)) {
+	if (!IS_ERR(page))
 		kmap(page);
-		if (!PageUptodate(page))
-			goto fail;
-	}
 	return page;
 
 fail:

From 8507bb0062bff1431bbcce921efe5cd1186fcff2 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Fri, 28 May 2010 10:41:16 +0100
Subject: [PATCH 3601/3638] FRV: ARCH_KMALLOC_MINALIGN was already defined

ARCH_KMALLOC_MINALIGN was already defined in asm/mem-layout.h and so shouldn't
have been added to asm/cache.h as well, but rather altered in place.

The commit that added it to asm/cache.h was:

	commit 69dcf3db03626c4f18de624e8632454ea12ff260
	Author: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
	Date:   Mon May 24 14:32:54 2010 -0700

	    frv: set ARCH_KMALLOC_MINALIGN

	    Architectures that handle DMA-non-coherent memory need to set
	    ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is
	    DMA-safe: the buffer doesn't share a cache with the others.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/frv/include/asm/cache.h      | 2 --
 arch/frv/include/asm/mem-layout.h | 4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h
index 7dc0f0f85b7..2797163b8f4 100644
--- a/arch/frv/include/asm/cache.h
+++ b/arch/frv/include/asm/cache.h
@@ -17,8 +17,6 @@
 #define L1_CACHE_SHIFT		(CONFIG_FRV_L1_CACHE_SHIFT)
 #define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
 
-#define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
-
 #define __cacheline_aligned	__attribute__((aligned(L1_CACHE_BYTES)))
 #define ____cacheline_aligned	__attribute__((aligned(L1_CACHE_BYTES)))
 
diff --git a/arch/frv/include/asm/mem-layout.h b/arch/frv/include/asm/mem-layout.h
index 2947764fc0e..ccae981876f 100644
--- a/arch/frv/include/asm/mem-layout.h
+++ b/arch/frv/include/asm/mem-layout.h
@@ -35,8 +35,8 @@
  * the slab must be aligned such that load- and store-double instructions don't
  * fault if used
  */
-#define	ARCH_KMALLOC_MINALIGN		8
-#define	ARCH_SLAB_MINALIGN		8
+#define	ARCH_KMALLOC_MINALIGN		L1_CACHE_BYTES
+#define	ARCH_SLAB_MINALIGN		L1_CACHE_BYTES
 
 /*****************************************************************************/
 /*

From 969ea5c5ad1f0a1b9da3545903e6df6901ae007a Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 28 May 2010 15:05:00 +1000
Subject: [PATCH 3602/3638] tracing: fix for tracepoint API change

Commit 38516ab59fbc5b3bb278cf5e1fe2867c70cff32e ("tracing: Let
tracepoints have data passed to tracepoint callbacks") requires this
fixup to the powerpc code.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/powerpc/platforms/pseries/hvCall_inst.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index 1fefae76e29..e19ff021e71 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -102,7 +102,7 @@ static const struct file_operations hcall_inst_seq_fops = {
 #define CPU_NAME_BUF_SIZE	32
 
 
-static void probe_hcall_entry(unsigned long opcode, unsigned long *args)
+static void probe_hcall_entry(void *ignored, unsigned long opcode, unsigned long *args)
 {
 	struct hcall_stats *h;
 
@@ -114,7 +114,7 @@ static void probe_hcall_entry(unsigned long opcode, unsigned long *args)
 	h->purr_start = mfspr(SPRN_PURR);
 }
 
-static void probe_hcall_exit(unsigned long opcode, unsigned long retval,
+static void probe_hcall_exit(void *ignored, unsigned long opcode, unsigned long retval,
 			     unsigned long *retbuf)
 {
 	struct hcall_stats *h;
@@ -140,11 +140,11 @@ static int __init hcall_inst_init(void)
 	if (!firmware_has_feature(FW_FEATURE_LPAR))
 		return 0;
 
-	if (register_trace_hcall_entry(probe_hcall_entry))
+	if (register_trace_hcall_entry(probe_hcall_entry, NULL))
 		return -EINVAL;
 
-	if (register_trace_hcall_exit(probe_hcall_exit)) {
-		unregister_trace_hcall_entry(probe_hcall_entry);
+	if (register_trace_hcall_exit(probe_hcall_exit, NULL)) {
+		unregister_trace_hcall_entry(probe_hcall_entry, NULL);
 		return -EINVAL;
 	}
 

From 02cf4f9808382af7265cafc33dc86ec5875526aa Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Mon, 24 May 2010 14:27:44 -0400
Subject: [PATCH 3603/3638] ACPI: acpi_idle: touch TS_POLLING only in the
 non-MWAIT case

commit d306ebc28649b89877a22158fe0076f06cc46f60
(ACPI: Be in TS_POLLING state during mwait based C-state entry)
fixed an important power & performance issue where ACPI c2 and c3 C-states
were clearing TS_POLLING even when using MWAIT (ACPI_STATE_FFH).
That bug had been causing us to receive redundant scheduling interrups
when we had already been woken up by MONITOR/MWAIT.

Following up on that...

In the MWAIT case, we don't have to subsequently
check need_resched(), as that c heck was there
for the TS_POLLING-clearing case.

Note that not only does the cpuidle calling function
already check need_resched() before calling us, the
low-level entry into monitor/mwait calls it twice --
guaranteeing that a write to the trigger address
can not go un-noticed.

Also, in this case, we don't have to set TS_POLLING
when we wake, because we never cleared it.

Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Venkatesh Pallipadi <venki@google.com>
---
 drivers/acpi/processor_idle.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 5939e7f7d8e..a4166e2abb9 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -881,6 +881,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 		return(acpi_idle_enter_c1(dev, state));
 
 	local_irq_disable();
+
 	if (cx->entry_method != ACPI_CSTATE_FFH) {
 		current_thread_info()->status &= ~TS_POLLING;
 		/*
@@ -888,12 +889,12 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 		 * NEED_RESCHED:
 		 */
 		smp_mb();
-	}
 
-	if (unlikely(need_resched())) {
-		current_thread_info()->status |= TS_POLLING;
-		local_irq_enable();
-		return 0;
+		if (unlikely(need_resched())) {
+			current_thread_info()->status |= TS_POLLING;
+			local_irq_enable();
+			return 0;
+		}
 	}
 
 	/*
@@ -918,7 +919,8 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
 
 	local_irq_enable();
-	current_thread_info()->status |= TS_POLLING;
+	if (cx->entry_method != ACPI_CSTATE_FFH)
+		current_thread_info()->status |= TS_POLLING;
 
 	cx->usage++;
 
@@ -968,6 +970,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	}
 
 	local_irq_disable();
+
 	if (cx->entry_method != ACPI_CSTATE_FFH) {
 		current_thread_info()->status &= ~TS_POLLING;
 		/*
@@ -975,12 +978,12 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 		 * NEED_RESCHED:
 		 */
 		smp_mb();
-	}
 
-	if (unlikely(need_resched())) {
-		current_thread_info()->status |= TS_POLLING;
-		local_irq_enable();
-		return 0;
+		if (unlikely(need_resched())) {
+			current_thread_info()->status |= TS_POLLING;
+			local_irq_enable();
+			return 0;
+		}
 	}
 
 	acpi_unlazy_tlb(smp_processor_id());
@@ -1032,7 +1035,8 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
 
 	local_irq_enable();
-	current_thread_info()->status |= TS_POLLING;
+	if (cx->entry_method != ACPI_CSTATE_FFH)
+		current_thread_info()->status |= TS_POLLING;
 
 	cx->usage++;
 

From 2671717265ae6e720a9ba5f13fbec3a718983b65 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Mon, 8 Mar 2010 14:07:30 -0500
Subject: [PATCH 3604/3638] intel_idle: native hardware cpuidle driver for
 latest Intel processors

This EXPERIMENTAL driver supersedes acpi_idle on
Intel Atom Processors, Intel Core i3/i5/i7 Processors
and associated Intel Xeon processors.

It does not support the Intel Core2 processor or earlier.

For kernels configured with ACPI, CONFIG_INTEL_IDLE=y
allows intel_idle to probe before the ACPI processor driver.
Booting with "intel_idle.max_cstate=0" disables intel_idle
and the system will fall back on ACPI's "acpi_idle".

Typical Linux distributions load ACPI processor module early,
making CONFIG_INTEL_IDLE=m not easily useful on ACPI platforms.

intel_idle probes all processors at module_init time.
Processors that are hot-added later will be limited
to using C1 in idle.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 MAINTAINERS                     |   7 +
 drivers/Makefile                |   2 +-
 drivers/acpi/processor_driver.c |   6 +-
 drivers/idle/Kconfig            |  11 +
 drivers/idle/Makefile           |   1 +
 drivers/idle/intel_idle.c       | 461 ++++++++++++++++++++++++++++++++
 6 files changed, 486 insertions(+), 2 deletions(-)
 create mode 100755 drivers/idle/intel_idle.c

diff --git a/MAINTAINERS b/MAINTAINERS
index d329b053a71..276e79bb462 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2850,6 +2850,13 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git
 S:	Maintained
 F:	drivers/input/
 
+INTEL IDLE DRIVER
+M:	Len Brown <lenb@kernel.org>
+L:	linux-pm@lists.linux-foundation.org
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6.git
+S:	Supported
+F:	drivers/idle/intel_idle.c
+
 INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
 M:	Maik Broemme <mbroemme@plusserver.de>
 L:	linux-fbdev@vger.kernel.org
diff --git a/drivers/Makefile b/drivers/Makefile
index f42a03029b7..91874e04855 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_PCI)		+= pci/
 obj-$(CONFIG_PARISC)		+= parisc/
 obj-$(CONFIG_RAPIDIO)		+= rapidio/
 obj-y				+= video/
+obj-y				+= idle/
 obj-$(CONFIG_ACPI)		+= acpi/
 obj-$(CONFIG_SFI)		+= sfi/
 # PnP must come after ACPI since it will eventually need to check if acpi
@@ -91,7 +92,6 @@ obj-$(CONFIG_EISA)		+= eisa/
 obj-y				+= lguest/
 obj-$(CONFIG_CPU_FREQ)		+= cpufreq/
 obj-$(CONFIG_CPU_IDLE)		+= cpuidle/
-obj-y				+= idle/
 obj-$(CONFIG_MMC)		+= mmc/
 obj-$(CONFIG_MEMSTICK)		+= memstick/
 obj-$(CONFIG_NEW_LEDS)		+= leds/
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index deefa859174..b1034a9ada4 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -922,9 +922,13 @@ static int __init acpi_processor_init(void)
 		return -ENOMEM;
 #endif
 
-	if (!cpuidle_register_driver(&acpi_idle_driver))
+	if (!cpuidle_register_driver(&acpi_idle_driver)) {
 		printk(KERN_DEBUG "ACPI: %s registered with cpuidle\n",
 			acpi_idle_driver.name);
+	} else {
+		printk(KERN_DEBUG "ACPI: acpi_idle yielding to %s",
+			cpuidle_get_driver()->name);
+	}
 
 	result = acpi_bus_register_driver(&acpi_processor_driver);
 	if (result < 0)
diff --git a/drivers/idle/Kconfig b/drivers/idle/Kconfig
index f15e90a453d..fb5c5186d4a 100644
--- a/drivers/idle/Kconfig
+++ b/drivers/idle/Kconfig
@@ -1,3 +1,14 @@
+config INTEL_IDLE
+	tristate "Cpuidle Driver for Intel Processors"
+	depends on CPU_IDLE
+	depends on X86
+	depends on CPU_SUP_INTEL
+	depends on EXPERIMENTAL
+	help
+	  Enable intel_idle, a cpuidle driver that includes knowledge of
+	  native Intel hardware idle features.  The acpi_idle driver
+	  can be configured at the same time, in order to handle
+	  processors intel_idle does not support.
 
 menu "Memory power savings"
 depends on X86_64
diff --git a/drivers/idle/Makefile b/drivers/idle/Makefile
index 5f68fc377e2..23d295cf10f 100644
--- a/drivers/idle/Makefile
+++ b/drivers/idle/Makefile
@@ -1,2 +1,3 @@
 obj-$(CONFIG_I7300_IDLE)			+= i7300_idle.o
+obj-$(CONFIG_INTEL_IDLE)			+= intel_idle.o
 
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
new file mode 100755
index 00000000000..54f0fb4cd5d
--- /dev/null
+++ b/drivers/idle/intel_idle.c
@@ -0,0 +1,461 @@
+/*
+ * intel_idle.c - native hardware idle loop for modern Intel processors
+ *
+ * Copyright (c) 2010, Intel Corporation.
+ * Len Brown <len.brown@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/*
+ * intel_idle is a cpuidle driver that loads on specific Intel processors
+ * in lieu of the legacy ACPI processor_idle driver.  The intent is to
+ * make Linux more efficient on these processors, as intel_idle knows
+ * more than ACPI, as well as make Linux more immune to ACPI BIOS bugs.
+ */
+
+/*
+ * Design Assumptions
+ *
+ * All CPUs have same idle states as boot CPU
+ *
+ * Chipset BM_STS (bus master status) bit is a NOP
+ *	for preventing entry into deep C-stats
+ */
+
+/*
+ * Known limitations
+ *
+ * The driver currently initializes for_each_online_cpu() upon modprobe.
+ * It it unaware of subsequent processors hot-added to the system.
+ * This means that if you boot with maxcpus=n and later online
+ * processors above n, those processors will use C1 only.
+ *
+ * ACPI has a .suspend hack to turn off deep c-statees during suspend
+ * to avoid complications with the lapic timer workaround.
+ * Have not seen issues with suspend, but may need same workaround here.
+ *
+ * There is currently no kernel-based automatic probing/loading mechanism
+ * if the driver is built as a module.
+ */
+
+/* un-comment DEBUG to enable pr_debug() statements */
+#define DEBUG
+
+#include <linux/kernel.h>
+#include <linux/cpuidle.h>
+#include <linux/clockchips.h>
+#include <linux/hrtimer.h>	/* ktime_get_real() */
+#include <trace/events/power.h>
+#include <linux/sched.h>
+
+#define INTEL_IDLE_VERSION "0.4"
+#define PREFIX "intel_idle: "
+
+#define MWAIT_SUBSTATE_MASK	(0xf)
+#define MWAIT_CSTATE_MASK	(0xf)
+#define MWAIT_SUBSTATE_SIZE	(4)
+#define MWAIT_MAX_NUM_CSTATES	8
+#define CPUID_MWAIT_LEAF (5)
+#define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1)
+#define CPUID5_ECX_INTERRUPT_BREAK	(0x2)
+
+static struct cpuidle_driver intel_idle_driver = {
+	.name = "intel_idle",
+	.owner = THIS_MODULE,
+};
+/* intel_idle.max_cstate=0 disables driver */
+static int max_cstate = MWAIT_MAX_NUM_CSTATES - 1;
+static int power_policy = 7; /* 0 = max perf; 15 = max powersave */
+
+static unsigned int substates;
+static int (*choose_substate)(int);
+
+/* Reliable LAPIC Timer States, bit 1 for C1 etc.  */
+static unsigned int lapic_timer_reliable_states;
+
+static struct cpuidle_device *intel_idle_cpuidle_devices;
+static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state);
+
+static struct cpuidle_state *cpuidle_state_table;
+
+/*
+ * States are indexed by the cstate number,
+ * which is also the index into the MWAIT hint array.
+ * Thus C0 is a dummy.
+ */
+static struct cpuidle_state nehalem_cstates[MWAIT_MAX_NUM_CSTATES] = {
+	{ /* MWAIT C0 */ },
+	{ /* MWAIT C1 */
+		.name = "NHM-C1",
+		.desc = "MWAIT 0x00",
+		.driver_data = (void *) 0x00,
+		.flags = CPUIDLE_FLAG_TIME_VALID,
+		.exit_latency = 3,
+		.power_usage = 1000,
+		.target_residency = 6,
+		.enter = &intel_idle },
+	{ /* MWAIT C2 */
+		.name = "NHM-C3",
+		.desc = "MWAIT 0x10",
+		.driver_data = (void *) 0x10,
+		.flags = CPUIDLE_FLAG_TIME_VALID,
+		.exit_latency = 20,
+		.power_usage = 500,
+		.target_residency = 80,
+		.enter = &intel_idle },
+	{ /* MWAIT C3 */
+		.name = "NHM-C6",
+		.desc = "MWAIT 0x20",
+		.driver_data = (void *) 0x20,
+		.flags = CPUIDLE_FLAG_TIME_VALID,
+		.exit_latency = 200,
+		.power_usage = 350,
+		.target_residency = 800,
+		.enter = &intel_idle },
+};
+
+static struct cpuidle_state atom_cstates[MWAIT_MAX_NUM_CSTATES] = {
+	{ /* MWAIT C0 */ },
+	{ /* MWAIT C1 */
+		.name = "ATM-C1",
+		.desc = "MWAIT 0x00",
+		.driver_data = (void *) 0x00,
+		.flags = CPUIDLE_FLAG_TIME_VALID,
+		.exit_latency = 1,
+		.power_usage = 1000,
+		.target_residency = 4,
+		.enter = &intel_idle },
+	{ /* MWAIT C2 */
+		.name = "ATM-C2",
+		.desc = "MWAIT 0x10",
+		.driver_data = (void *) 0x10,
+		.flags = CPUIDLE_FLAG_TIME_VALID,
+		.exit_latency = 20,
+		.power_usage = 500,
+		.target_residency = 80,
+		.enter = &intel_idle },
+	{ /* MWAIT C3 */ },
+	{ /* MWAIT C4 */
+		.name = "ATM-C4",
+		.desc = "MWAIT 0x30",
+		.driver_data = (void *) 0x30,
+		.flags = CPUIDLE_FLAG_TIME_VALID,
+		.exit_latency = 100,
+		.power_usage = 250,
+		.target_residency = 400,
+		.enter = &intel_idle },
+	{ /* MWAIT C5 */ },
+	{ /* MWAIT C6 */
+		.name = "ATM-C6",
+		.desc = "MWAIT 0x40",
+		.driver_data = (void *) 0x40,
+		.flags = CPUIDLE_FLAG_TIME_VALID,
+		.exit_latency = 200,
+		.power_usage = 150,
+		.target_residency = 800,
+		.enter = NULL },	/* disabled */
+};
+
+/*
+ * choose_tunable_substate()
+ *
+ * Run-time decision on which C-state substate to invoke
+ * If power_policy = 0, choose shallowest substate (0)
+ * If power_policy = 15, choose deepest substate
+ * If power_policy = middle, choose middle substate etc.
+ */
+static int choose_tunable_substate(int cstate)
+{
+	unsigned int num_substates;
+	unsigned int substate_choice;
+
+	power_policy &= 0xF;	/* valid range: 0-15 */
+	cstate &= 7;	/* valid range: 0-7 */
+
+	num_substates = (substates >> ((cstate) * 4)) & MWAIT_SUBSTATE_MASK;
+
+	if (num_substates <= 1)
+		return 0;
+
+	substate_choice = ((power_policy + (power_policy + 1) *
+				(num_substates - 1)) / 16);
+
+	return substate_choice;
+}
+
+/*
+ * choose_zero_substate()
+ */
+static int choose_zero_substate(int cstate)
+{
+	return 0;
+}
+
+/**
+ * intel_idle
+ * @dev: cpuidle_device
+ * @state: cpuidle state
+ *
+ */
+static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state)
+{
+	unsigned long ecx = 1; /* break on interrupt flag */
+	unsigned long eax = (unsigned long)cpuidle_get_statedata(state);
+	unsigned int cstate;
+	ktime_t kt_before, kt_after;
+	s64 usec_delta;
+	int cpu = smp_processor_id();
+
+	cstate = (((eax) >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK) + 1;
+
+	eax = eax + (choose_substate)(cstate);
+
+	local_irq_disable();
+
+	if (!(lapic_timer_reliable_states & (1 << (cstate))))
+		clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
+
+	kt_before = ktime_get_real();
+
+	stop_critical_timings();
+#ifndef MODULE
+	trace_power_start(POWER_CSTATE, (eax >> 4) + 1);
+#endif
+	if (!need_resched()) {
+
+		__monitor((void *)&current_thread_info()->flags, 0, 0);
+		smp_mb();
+		if (!need_resched())
+			__mwait(eax, ecx);
+	}
+
+	start_critical_timings();
+
+	kt_after = ktime_get_real();
+	usec_delta = ktime_to_us(ktime_sub(kt_after, kt_before));
+
+	local_irq_enable();
+
+	if (!(lapic_timer_reliable_states & (1 << (cstate))))
+		clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
+
+	return usec_delta;
+}
+
+/*
+ * intel_idle_probe()
+ */
+static int intel_idle_probe(void)
+{
+	unsigned int eax, ebx, ecx, edx;
+
+	if (max_cstate == 0) {
+		pr_debug(PREFIX "disabled\n");
+		return -EPERM;
+	}
+
+	if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
+		return -ENODEV;
+
+	if (!boot_cpu_has(X86_FEATURE_MWAIT))
+		return -ENODEV;
+
+	if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF)
+		return -ENODEV;
+
+	cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &edx);
+
+	if (!(ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) ||
+		!(ecx & CPUID5_ECX_INTERRUPT_BREAK))
+			return -ENODEV;
+#ifdef DEBUG
+	if (substates == 0)	/* can over-ride via modparam */
+#endif
+		substates = edx;
+
+	pr_debug(PREFIX "MWAIT substates: 0x%x\n", substates);
+
+	if (boot_cpu_has(X86_FEATURE_ARAT))	/* Always Reliable APIC Timer */
+		lapic_timer_reliable_states = 0xFFFFFFFF;
+
+	if (boot_cpu_data.x86 != 6)	/* family 6 */
+		return -ENODEV;
+
+	switch (boot_cpu_data.x86_model) {
+
+	case 0x1A:	/* Core i7, Xeon 5500 series */
+	case 0x1E:	/* Core i7 and i5 Processor - Lynnfield Jasper Forest */
+	case 0x1F:	/* Core i7 and i5 Processor - Nehalem */
+	case 0x2E:	/* Nehalem-EX Xeon */
+		lapic_timer_reliable_states = (1 << 1);	 /* C1 */
+
+	case 0x25:	/* Westmere */
+	case 0x2C:	/* Westmere */
+		cpuidle_state_table = nehalem_cstates;
+		choose_substate = choose_tunable_substate;
+		break;
+
+	case 0x1C:	/* 28 - Atom Processor */
+		lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */
+		cpuidle_state_table = atom_cstates;
+		choose_substate = choose_zero_substate;
+		break;
+#ifdef FUTURE_USE
+	case 0x17:	/* 23 - Core 2 Duo */
+		lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */
+#endif
+
+	default:
+		pr_debug(PREFIX "does not run on family %d model %d\n",
+			boot_cpu_data.x86, boot_cpu_data.x86_model);
+		return -ENODEV;
+	}
+
+	pr_debug(PREFIX "v" INTEL_IDLE_VERSION
+		" model 0x%X\n", boot_cpu_data.x86_model);
+
+	pr_debug(PREFIX "lapic_timer_reliable_states 0x%x\n",
+		lapic_timer_reliable_states);
+	return 0;
+}
+
+/*
+ * intel_idle_cpuidle_devices_uninit()
+ * unregister, free cpuidle_devices
+ */
+static void intel_idle_cpuidle_devices_uninit(void)
+{
+	int i;
+	struct cpuidle_device *dev;
+
+	for_each_online_cpu(i) {
+		dev = per_cpu_ptr(intel_idle_cpuidle_devices, i);
+		cpuidle_unregister_device(dev);
+	}
+
+	free_percpu(intel_idle_cpuidle_devices);
+	return;
+}
+/*
+ * intel_idle_cpuidle_devices_init()
+ * allocate, initialize, register cpuidle_devices
+ */
+static int intel_idle_cpuidle_devices_init(void)
+{
+	int i, cstate;
+	struct cpuidle_device *dev;
+
+	intel_idle_cpuidle_devices = alloc_percpu(struct cpuidle_device);
+	if (intel_idle_cpuidle_devices == NULL)
+		return -ENOMEM;
+
+	for_each_online_cpu(i) {
+		dev = per_cpu_ptr(intel_idle_cpuidle_devices, i);
+
+		dev->state_count = 1;
+
+		for (cstate = 1; cstate < MWAIT_MAX_NUM_CSTATES; ++cstate) {
+			int num_substates;
+
+			if (cstate > max_cstate) {
+				printk(PREFIX "max_cstate %d reached\n",
+					max_cstate);
+				break;
+			}
+
+			/* does the state exist in CPUID.MWAIT? */
+			num_substates = (substates >> ((cstate) * 4))
+						& MWAIT_SUBSTATE_MASK;
+			if (num_substates == 0)
+				continue;
+			/* is the state not enabled? */
+			if (cpuidle_state_table[cstate].enter == NULL) {
+				/* does the driver not know about the state? */
+				if (*cpuidle_state_table[cstate].name == '\0')
+					pr_debug(PREFIX "unaware of model 0x%x"
+						" MWAIT %d please"
+						" contact lenb@kernel.org",
+					boot_cpu_data.x86_model, cstate);
+				continue;
+			}
+
+			if ((cstate > 2) &&
+				!boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
+				mark_tsc_unstable("TSC halts in idle"
+					" states deeper than C2");
+
+			dev->states[dev->state_count] =	/* structure copy */
+				cpuidle_state_table[cstate];
+
+			dev->state_count += 1;
+		}
+
+		dev->cpu = i;
+		if (cpuidle_register_device(dev)) {
+			pr_debug(PREFIX "cpuidle_register_device %d failed!\n",
+				 i);
+			intel_idle_cpuidle_devices_uninit();
+			return -EIO;
+		}
+	}
+
+	return 0;
+}
+
+
+static int __init intel_idle_init(void)
+{
+	int retval;
+
+	retval = intel_idle_probe();
+	if (retval)
+		return retval;
+
+	retval = cpuidle_register_driver(&intel_idle_driver);
+	if (retval) {
+		printk(KERN_DEBUG PREFIX "intel_idle yielding to %s",
+			cpuidle_get_driver()->name);
+		return retval;
+	}
+
+	retval = intel_idle_cpuidle_devices_init();
+	if (retval) {
+		cpuidle_unregister_driver(&intel_idle_driver);
+		return retval;
+	}
+
+	return 0;
+}
+
+static void __exit intel_idle_exit(void)
+{
+	intel_idle_cpuidle_devices_uninit();
+	cpuidle_unregister_driver(&intel_idle_driver);
+
+	return;
+}
+
+module_init(intel_idle_init);
+module_exit(intel_idle_exit);
+
+module_param(power_policy, int, 0644);
+module_param(max_cstate, int, 0444);
+#ifdef DEBUG
+module_param(substates, int, 0444);
+#endif
+
+MODULE_AUTHOR("Len Brown <len.brown@intel.com>");
+MODULE_DESCRIPTION("Cpuidle driver for Intel Hardware v" INTEL_IDLE_VERSION);
+MODULE_LICENSE("GPL");

From 2da513f582a96c053aacc2c92873978d2ea7abff Mon Sep 17 00:00:00 2001
From: Venkatesh Pallipadi <venki@google.com>
Date: Thu, 22 Apr 2010 16:48:33 -0700
Subject: [PATCH 3605/3638] ACPI: Minor cleanup eliminating redundant
 PMTIMER_TICKS to NS conversion

acpi_enter_[simple,bm] does
idle timing in ns, convert it to timeval, then to us, then to
pmtimer_ticks and then back to ns.

This patch changes things to
idle timing in ns, convert it to us, and then to pmtimer_ticks.

Just saves an imul along this path, but makes the code cleaner.

Signed-off-by: Venkatesh Pallipadi <venki@google.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/processor_idle.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 63a3d4b8c23..43fe52f9834 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -859,6 +859,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	struct acpi_processor *pr;
 	struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
 	ktime_t  kt1, kt2;
+	s64 idle_time_ns;
 	s64 idle_time;
 	s64 sleep_ticks = 0;
 
@@ -900,12 +901,14 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	sched_clock_idle_sleep_event();
 	acpi_idle_do_entry(cx);
 	kt2 = ktime_get_real();
-	idle_time =  ktime_to_us(ktime_sub(kt2, kt1));
+	idle_time_ns = ktime_to_ns(ktime_sub(kt2, kt1));
+	idle_time = idle_time_ns;
+	do_div(idle_time, NSEC_PER_USEC);
 
 	sleep_ticks = us_to_pm_timer_ticks(idle_time);
 
 	/* Tell the scheduler how much we idled: */
-	sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
+	sched_clock_idle_wakeup_event(idle_time_ns);
 
 	local_irq_enable();
 	current_thread_info()->status |= TS_POLLING;
@@ -933,6 +936,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	struct acpi_processor *pr;
 	struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
 	ktime_t  kt1, kt2;
+	s64 idle_time_ns;
 	s64 idle_time;
 	s64 sleep_ticks = 0;
 
@@ -1015,11 +1019,13 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 		spin_unlock(&c3_lock);
 	}
 	kt2 = ktime_get_real();
-	idle_time =  ktime_to_us(ktime_sub(kt2, kt1));
+	idle_time_ns = ktime_to_us(ktime_sub(kt2, kt1));
+	idle_time = idle_time_ns;
+	do_div(idle_time, NSEC_PER_USEC);
 
 	sleep_ticks = us_to_pm_timer_ticks(idle_time);
 	/* Tell the scheduler how much we idled: */
-	sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
+	sched_clock_idle_wakeup_event(idle_time_ns);
 
 	local_irq_enable();
 	current_thread_info()->status |= TS_POLLING;

From b6fecaa8685a9922d11db2cd79e76f43c3edc970 Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sat, 27 Feb 2010 17:51:42 +0100
Subject: [PATCH 3606/3638] drivers/acpi/sleep.h: Checkpatch cleanup

drivers/acpi/sleep.h:3: WARNING: space prohibited between function name and open parenthesis '('

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/sleep.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h
index 8a8f3b3382a..25b8bd14928 100644
--- a/drivers/acpi/sleep.h
+++ b/drivers/acpi/sleep.h
@@ -1,6 +1,6 @@
 
 extern u8 sleep_states[];
-extern int acpi_suspend (u32 state);
+extern int acpi_suspend(u32 state);
 
 extern void acpi_enable_wakeup_device_prep(u8 sleep_state);
 extern void acpi_enable_wakeup_device(u8 sleep_state);

From 0dc698b93f3eecdda43b22232131324eb41e510c Mon Sep 17 00:00:00 2001
From: Venkatesh Pallipadi <venki@google.com>
Date: Tue, 18 May 2010 14:39:16 -0700
Subject: [PATCH 3607/3638] ACPI: Don't let acpi_pad needlessly mark TSC
 unstable

acpi pad driver kind of aggressively marks TSC as unstable at init
time, on mwait capable and non X86_FEATURE_NONSTOP_TSC systems. This is
irrespective of whether pad driver is ever going to be used on the
system or deep C-states are supported/used. This will affect every user
who just happens to compile in (or get a kernel version which
compiles in) acpi pad driver.

Move mark_tsc_unstable() out of init to the actual idle invocation path
of the pad driver.

There is also another bug/missing_feature in the code that it does not
support 'always running apic timer' and switches to broadcast mode
unconditionally. Shaohua, can you take a look at that please.

Signed-off-by: Venkatesh Pallipadi <venki@google.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpi_pad.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 62122134693..f169e516a1a 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -43,6 +43,10 @@ static DEFINE_MUTEX(isolated_cpus_lock);
 #define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1)
 #define CPUID5_ECX_INTERRUPT_BREAK	(0x2)
 static unsigned long power_saving_mwait_eax;
+
+static unsigned char tsc_detected_unstable;
+static unsigned char tsc_marked_unstable;
+
 static void power_saving_mwait_init(void)
 {
 	unsigned int eax, ebx, ecx, edx;
@@ -87,8 +91,8 @@ static void power_saving_mwait_init(void)
 
 		/*FALL THROUGH*/
 	default:
-		/* TSC could halt in idle, so notify users */
-		mark_tsc_unstable("TSC halts in idle");
+		/* TSC could halt in idle */
+		tsc_detected_unstable = 1;
 	}
 #endif
 }
@@ -178,6 +182,11 @@ static int power_saving_thread(void *data)
 		expire_time = jiffies + HZ * (100 - idle_pct) / 100;
 
 		while (!need_resched()) {
+			if (tsc_detected_unstable && !tsc_marked_unstable) {
+				/* TSC could halt in idle, so notify users */
+				mark_tsc_unstable("TSC halts in idle");
+				tsc_marked_unstable = 1;
+			}
 			local_irq_disable();
 			cpu = smp_processor_id();
 			clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER,

From cf22f20ade30f8c03955324aaf27b1049e182600 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Sat, 29 May 2010 06:50:37 +1000
Subject: [PATCH 3608/3638] drm/radeon: fix the r100/r200 ums block 0 page fix

airlied -> brown paper bag.

I blame Hi-5 or the Wiggles for lowering my IQ, move the fix inside some
brackets instead of breaking everything in site.

Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_state.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
index 40ab6d9c373..11ce94c668e 100644
--- a/drivers/gpu/drm/radeon/radeon_state.c
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -900,9 +900,10 @@ static void radeon_cp_dispatch_clear(struct drm_device * dev,
 			flags |= RADEON_FRONT;
 	}
 	if (flags & (RADEON_DEPTH|RADEON_STENCIL)) {
-		if (!dev_priv->have_z_offset)
+		if (!dev_priv->have_z_offset) {
 			printk_once(KERN_ERR "radeon: illegal depth clear request. Buggy mesa detected - please update.\n");
-		flags &= ~(RADEON_DEPTH | RADEON_STENCIL);
+			flags &= ~(RADEON_DEPTH | RADEON_STENCIL);
+		}
 	}
 
 	if (flags & (RADEON_FRONT | RADEON_BACK)) {

From 0aa12fb439838a85802ab8b7fbb9bcfc3e6e05cb Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Sat, 29 May 2010 09:12:30 -0700
Subject: [PATCH 3609/3638] sched: add wait_for_completion_killable_timeout

Add missing _killable_timeout variant for wait_for_completion that will
return when a timeout expires or the task is killed.

CC: Ingo Molnar <mingo@elte.hu>
CC: Andreas Herrmann <andreas.herrmann3@amd.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Mike Galbraith <efault@gmx.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 include/linux/completion.h |  2 ++
 kernel/sched.c             | 17 +++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/include/linux/completion.h b/include/linux/completion.h
index 4a6b604ef7e..51e3145196f 100644
--- a/include/linux/completion.h
+++ b/include/linux/completion.h
@@ -83,6 +83,8 @@ extern unsigned long wait_for_completion_timeout(struct completion *x,
 						   unsigned long timeout);
 extern unsigned long wait_for_completion_interruptible_timeout(
 			struct completion *x, unsigned long timeout);
+extern unsigned long wait_for_completion_killable_timeout(
+			struct completion *x, unsigned long timeout);
 extern bool try_wait_for_completion(struct completion *x);
 extern bool completion_done(struct completion *x);
 
diff --git a/kernel/sched.c b/kernel/sched.c
index 3c2a54f70ff..4d051c7517f 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4160,6 +4160,23 @@ int __sched wait_for_completion_killable(struct completion *x)
 }
 EXPORT_SYMBOL(wait_for_completion_killable);
 
+/**
+ * wait_for_completion_killable_timeout: - waits for completion of a task (w/(to,killable))
+ * @x:  holds the state of this particular completion
+ * @timeout:  timeout value in jiffies
+ *
+ * This waits for either a completion of a specific task to be
+ * signaled or for a specified timeout to expire. It can be
+ * interrupted by a kill signal. The timeout is in jiffies.
+ */
+unsigned long __sched
+wait_for_completion_killable_timeout(struct completion *x,
+				     unsigned long timeout)
+{
+	return wait_for_common(x, timeout, TASK_KILLABLE);
+}
+EXPORT_SYMBOL(wait_for_completion_killable_timeout);
+
 /**
  *	try_wait_for_completion - try to decrement a completion without blocking
  *	@x:	completion structure

From aa91647c898d62e869fcf35e977ab3c533be8fc1 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 24 May 2010 11:15:51 -0700
Subject: [PATCH 3610/3638] ceph: make mds requests killable, not interruptible

The underlying problem is that many mds requests can't be restarted.  For
example, a restarted create() would return -EEXIST if the original request
succeeds.  However, we do not want a hung MDS to hang the client too.  So,
use the _killable wait_for_completion variants to abort on SIGKILL but
nothing else.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 885aa5710cf..08413c8a85b 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1768,12 +1768,12 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
 	mutex_unlock(&mdsc->mutex);
 	dout("do_request waiting\n");
 	if (req->r_timeout) {
-		err = (long)wait_for_completion_interruptible_timeout(
+		err = (long)wait_for_completion_killable_timeout(
 			&req->r_completion, req->r_timeout);
 		if (err == 0)
 			err = -EIO;
 	} else {
-		err = wait_for_completion_interruptible(&req->r_completion);
+		err = wait_for_completion_killable(&req->r_completion);
 	}
 	dout("do_request waited, got %d\n", err);
 	mutex_lock(&mdsc->mutex);

From e95e9a7ae4c1e7655a0438579f891b3c60178d77 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 25 May 2010 09:24:42 -0700
Subject: [PATCH 3611/3638] ceph: avoid possible null dereference

ac->ops may be null; use protocol id in error message instead.

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/auth.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/auth.c b/fs/ceph/auth.c
index 9f46de2ba7a..01c4a1cd53c 100644
--- a/fs/ceph/auth.c
+++ b/fs/ceph/auth.c
@@ -217,8 +217,8 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
 		if (ac->protocol != protocol) {
 			ret = ceph_auth_init_protocol(ac, protocol);
 			if (ret) {
-				pr_err("error %d on auth method %s init\n",
-				       ret, ac->ops->name);
+				pr_err("error %d on auth protocol %d init\n",
+				       ret, protocol);
 				goto out;
 			}
 		}

From 984c76908efd3c6795aa03dff16a8fc3496af99f Mon Sep 17 00:00:00 2001
From: Andrea Gelmini <andrea.gelmini@gelma.net>
Date: Sun, 23 May 2010 21:47:58 +0200
Subject: [PATCH 3612/3638] ceph: removed duplicated #includes

fs/ceph/auth.c: linux/slab.h is included more than once.
fs/ceph/super.h: linux/slab.h is included more than once.

Acked-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/auth.c  | 1 -
 fs/ceph/super.h | 1 -
 2 files changed, 2 deletions(-)

diff --git a/fs/ceph/auth.c b/fs/ceph/auth.c
index 01c4a1cd53c..a28ebdf465d 100644
--- a/fs/ceph/auth.c
+++ b/fs/ceph/auth.c
@@ -1,7 +1,6 @@
 #include "ceph_debug.h"
 
 #include <linux/module.h>
-#include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/slab.h>
 
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 3725c9ee9d0..d84a2527046 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -10,7 +10,6 @@
 #include <linux/fs.h>
 #include <linux/mempool.h>
 #include <linux/pagemap.h>
-#include <linux/slab.h>
 #include <linux/wait.h>
 #include <linux/writeback.h>
 #include <linux/slab.h>

From 09c4d6a7d40dd26c1b35674c582382b7ea551368 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 25 May 2010 15:38:06 -0700
Subject: [PATCH 3613/3638] ceph: do not resend mon requests on auth ticket
 renewal

We only want to send pending mon requests when we successfully
authenticate.  If we are already authenticated, like when we renew our
ticket, there is no need to resend pending requests.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mon_client.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index f6510a476e7..21c62e9b7d1 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -704,8 +704,11 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
 			      struct ceph_msg *msg)
 {
 	int ret;
+	int was_auth = 0;
 
 	mutex_lock(&monc->mutex);
+	if (monc->auth->ops)
+		was_auth = monc->auth->ops->is_authenticated(monc->auth);
 	monc->pending_auth = 0;
 	ret = ceph_handle_auth_reply(monc->auth, msg->front.iov_base,
 				     msg->front.iov_len,
@@ -716,7 +719,7 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
 		wake_up(&monc->client->auth_wq);
 	} else if (ret > 0) {
 		__send_prepared_auth_request(monc, ret);
-	} else if (monc->auth->ops->is_authenticated(monc->auth)) {
+	} else if (!was_auth && monc->auth->ops->is_authenticated(monc->auth)) {
 		dout("authenticated, starting session\n");
 
 		monc->client->msgr->inst.name.type = CEPH_ENTITY_TYPE_CLIENT;

From a41359fa355e7b450c610ed8e913d5d75c3c9c3b Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 25 May 2010 15:39:06 -0700
Subject: [PATCH 3614/3638] ceph: renew auth tickets before they expire

We were only requesting renewal after our tickets expire; do so before
that.  Most of the low-level logic for this was already there; just use
it.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/auth.c      |  2 +-
 fs/ceph/auth.h      |  6 ++++++
 fs/ceph/auth_none.c |  8 ++++++++
 fs/ceph/auth_x.c    | 12 ++++++++++++
 4 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/auth.c b/fs/ceph/auth.c
index a28ebdf465d..89490beaf53 100644
--- a/fs/ceph/auth.c
+++ b/fs/ceph/auth.c
@@ -246,7 +246,7 @@ int ceph_build_auth(struct ceph_auth_client *ac,
 	if (!ac->protocol)
 		return ceph_auth_build_hello(ac, msg_buf, msg_len);
 	BUG_ON(!ac->ops);
-	if (!ac->ops->is_authenticated(ac))
+	if (ac->ops->should_authenticate(ac))
 		return ceph_build_auth_request(ac, msg_buf, msg_len);
 	return 0;
 }
diff --git a/fs/ceph/auth.h b/fs/ceph/auth.h
index 4429a707c02..d38a2fb4a13 100644
--- a/fs/ceph/auth.h
+++ b/fs/ceph/auth.h
@@ -23,6 +23,12 @@ struct ceph_auth_client_ops {
 	 */
 	int (*is_authenticated)(struct ceph_auth_client *ac);
 
+	/*
+	 * true if we should (re)authenticate, e.g., when our tickets
+	 * are getting old and crusty.
+	 */
+	int (*should_authenticate)(struct ceph_auth_client *ac);
+
 	/*
 	 * build requests and process replies during monitor
 	 * handshake.  if handle_reply returns -EAGAIN, we build
diff --git a/fs/ceph/auth_none.c b/fs/ceph/auth_none.c
index 24407c11929..ad1dc21286c 100644
--- a/fs/ceph/auth_none.c
+++ b/fs/ceph/auth_none.c
@@ -31,6 +31,13 @@ static int is_authenticated(struct ceph_auth_client *ac)
 	return !xi->starting;
 }
 
+static int should_authenticate(struct ceph_auth_client *ac)
+{
+	struct ceph_auth_none_info *xi = ac->private;
+
+	return xi->starting;
+}
+
 /*
  * the generic auth code decode the global_id, and we carry no actual
  * authenticate state, so nothing happens here.
@@ -98,6 +105,7 @@ static const struct ceph_auth_client_ops ceph_auth_none_ops = {
 	.reset = reset,
 	.destroy = destroy,
 	.is_authenticated = is_authenticated,
+	.should_authenticate = should_authenticate,
 	.handle_reply = handle_reply,
 	.create_authorizer = ceph_auth_none_create_authorizer,
 	.destroy_authorizer = ceph_auth_none_destroy_authorizer,
diff --git a/fs/ceph/auth_x.c b/fs/ceph/auth_x.c
index 7b206231566..83d4d2785ff 100644
--- a/fs/ceph/auth_x.c
+++ b/fs/ceph/auth_x.c
@@ -27,6 +27,17 @@ static int ceph_x_is_authenticated(struct ceph_auth_client *ac)
 	return (ac->want_keys & xi->have_keys) == ac->want_keys;
 }
 
+static int ceph_x_should_authenticate(struct ceph_auth_client *ac)
+{
+	struct ceph_x_info *xi = ac->private;
+	int need;
+
+	ceph_x_validate_tickets(ac, &need);
+	dout("ceph_x_should_authenticate want=%d need=%d have=%d\n",
+	     ac->want_keys, need, xi->have_keys);
+	return need != 0;
+}
+
 static int ceph_x_encrypt_buflen(int ilen)
 {
 	return sizeof(struct ceph_x_encrypt_header) + ilen + 16 +
@@ -620,6 +631,7 @@ static void ceph_x_invalidate_authorizer(struct ceph_auth_client *ac,
 static const struct ceph_auth_client_ops ceph_x_ops = {
 	.name = "x",
 	.is_authenticated = ceph_x_is_authenticated,
+	.should_authenticate = ceph_x_should_authenticate,
 	.build_request = ceph_x_build_request,
 	.handle_reply = ceph_x_handle_reply,
 	.create_authorizer = ceph_x_create_authorizer,

From 7e34bc524ecae3a04d8cc427ee76ddad826a937b Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 22 May 2010 12:01:14 +0200
Subject: [PATCH 3615/3638] fs/ceph: Use ERR_CAST

Use ERR_CAST(x) rather than ERR_PTR(PTR_ERR(x)).  The former makes more
clear what is the purpose of the operation, which otherwise looks like a
no-op.

In the case of fs/ceph/inode.c, ERR_CAST is not needed, because the type of
the returned value is the same as the type of the enclosing function.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
T x;
identifier f;
@@

T f (...) { <+...
- ERR_PTR(PTR_ERR(x))
+ x
 ...+> }

@@
expression x;
@@

- ERR_PTR(PTR_ERR(x))
+ ERR_CAST(x)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/dir.c    | 2 +-
 fs/ceph/export.c | 2 +-
 fs/ceph/file.c   | 2 +-
 fs/ceph/inode.c  | 2 +-
 fs/ceph/osdmap.c | 2 +-
 fs/ceph/super.c  | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 4fd30900eff..a86c1d5bf84 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -587,7 +587,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 		CEPH_MDS_OP_LOOKUPSNAP : CEPH_MDS_OP_LOOKUP;
 	req = ceph_mdsc_create_request(mdsc, op, USE_ANY_MDS);
 	if (IS_ERR(req))
-		return ERR_PTR(PTR_ERR(req));
+		return ERR_CAST(req);
 	req->r_dentry = dget(dentry);
 	req->r_num_caps = 2;
 	/* we only need inode linkage */
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 17447644d67..4480cb1c63e 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -133,7 +133,7 @@ static struct dentry *__cfh_to_dentry(struct super_block *sb,
 		req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_LOOKUPHASH,
 					       USE_ANY_MDS);
 		if (IS_ERR(req))
-			return ERR_PTR(PTR_ERR(req));
+			return ERR_CAST(req);
 
 		req->r_ino1 = vino;
 		req->r_ino2.ino = cfh->parent_ino;
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 0611ec3698a..f06f902367e 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -230,7 +230,7 @@ struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry,
 	/* do the open */
 	req = prepare_open_request(dir->i_sb, flags, mode);
 	if (IS_ERR(req))
-		return ERR_PTR(PTR_ERR(req));
+		return ERR_CAST(req);
 	req->r_dentry = dget(dentry);
 	req->r_num_caps = 2;
 	if (flags & O_CREAT) {
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index a81b8b662c7..226f5a50d36 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -69,7 +69,7 @@ struct inode *ceph_get_snapdir(struct inode *parent)
 
 	BUG_ON(!S_ISDIR(parent->i_mode));
 	if (IS_ERR(inode))
-		return ERR_PTR(PTR_ERR(inode));
+		return inode;
 	inode->i_mode = parent->i_mode;
 	inode->i_uid = parent->i_uid;
 	inode->i_gid = parent->i_gid;
diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c
index cfdd8f4388b..ddc656fb5c0 100644
--- a/fs/ceph/osdmap.c
+++ b/fs/ceph/osdmap.c
@@ -706,7 +706,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
 		     len, *p, end);
 		newcrush = crush_decode(*p, min(*p+len, end));
 		if (IS_ERR(newcrush))
-			return ERR_PTR(PTR_ERR(newcrush));
+			return ERR_CAST(newcrush);
 	}
 
 	/* new flags? */
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index bac13898b94..9b46bb951e1 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -738,7 +738,7 @@ static struct dentry *open_root_dentry(struct ceph_client *client,
 	dout("open_root_inode opening '%s'\n", path);
 	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETATTR, USE_ANY_MDS);
 	if (IS_ERR(req))
-		return ERR_PTR(PTR_ERR(req));
+		return ERR_CAST(req);
 	req->r_path1 = kstrdup(path, GFP_NOFS);
 	req->r_ino1.ino = CEPH_INO_ROOT;
 	req->r_ino1.snap = CEPH_NOSNAP;

From dd1c9057366f329911180e9000e2b425f23fc287 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 25 May 2010 16:45:25 -0700
Subject: [PATCH 3616/3638] ceph: make lease code DN specific

The lease code includes a mask in the CEPH_LOCK_* namespace, but that
namespace is changing, and only one mask (formerly _DN == 1) is used, so
hard code for that value for now.

If we ever extend this code to handle leases over different data types we
can extend it accordingly.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/ceph_fs.h    | 21 +++++++++++----------
 fs/ceph/mds_client.c |  4 ++--
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h
index 3b9eeed097b..2fa992eaf7d 100644
--- a/fs/ceph/ceph_fs.h
+++ b/fs/ceph/ceph_fs.h
@@ -265,16 +265,17 @@ extern const char *ceph_mds_state_name(int s);
  *  - they also define the lock ordering by the MDS
  *  - a few of these are internal to the mds
  */
-#define CEPH_LOCK_DN          1
-#define CEPH_LOCK_ISNAP       2
-#define CEPH_LOCK_IVERSION    4     /* mds internal */
-#define CEPH_LOCK_IFILE       8     /* mds internal */
-#define CEPH_LOCK_IAUTH       32
-#define CEPH_LOCK_ILINK       64
-#define CEPH_LOCK_IDFT        128   /* dir frag tree */
-#define CEPH_LOCK_INEST       256   /* mds internal */
-#define CEPH_LOCK_IXATTR      512
-#define CEPH_LOCK_INO         2048  /* immutable inode bits; not a lock */
+#define CEPH_LOCK_DVERSION    1
+#define CEPH_LOCK_DN          2
+#define CEPH_LOCK_ISNAP       16
+#define CEPH_LOCK_IVERSION    32    /* mds internal */
+#define CEPH_LOCK_IFILE       64
+#define CEPH_LOCK_IAUTH       128
+#define CEPH_LOCK_ILINK       256
+#define CEPH_LOCK_IDFT        512   /* dir frag tree */
+#define CEPH_LOCK_INEST       1024  /* mds internal */
+#define CEPH_LOCK_IXATTR      2048
+#define CEPH_LOCK_INO         8192  /* immutable inode bits; not a lock */
 
 /* client_session ops */
 enum {
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 08413c8a85b..5a88b7bb379 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2541,7 +2541,7 @@ void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session,
 		return;
 	lease = msg->front.iov_base;
 	lease->action = action;
-	lease->mask = cpu_to_le16(CEPH_LOCK_DN);
+	lease->mask = cpu_to_le16(1);
 	lease->ino = cpu_to_le64(ceph_vino(inode).ino);
 	lease->first = lease->last = cpu_to_le64(ceph_vino(inode).snap);
 	lease->seq = cpu_to_le32(seq);
@@ -2571,7 +2571,7 @@ void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc, struct inode *inode,
 
 	BUG_ON(inode == NULL);
 	BUG_ON(dentry == NULL);
-	BUG_ON(mask != CEPH_LOCK_DN);
+	BUG_ON(mask == 0);
 
 	/* is dentry lease valid? */
 	spin_lock(&dentry->d_lock);

From a922d38fd10d55d5033f10df15baf966e8f5b18c Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Sat, 29 May 2010 09:41:23 -0700
Subject: [PATCH 3617/3638] ceph: close out mds, osd connections before
 stopping auth

The auth module (part of the mon_client) is needed to free any
ceph_authorizer(s) used by the mds and osd connections.  Flush the msgr
workqueue before stopping monc to ensure that the destroy_authorizer
auth op is available when those connections are closed out.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/messenger.c |  6 ++++++
 fs/ceph/messenger.h |  1 +
 fs/ceph/super.c     | 10 +++++++++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index 60b74839ebe..64b8b1f7863 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -120,6 +120,12 @@ void ceph_msgr_exit(void)
 	destroy_workqueue(ceph_msgr_wq);
 }
 
+void ceph_msgr_flush()
+{
+	flush_workqueue(ceph_msgr_wq);
+}
+
+
 /*
  * socket callback functions
  */
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index 00a9430b1ff..76fbc957bc1 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -213,6 +213,7 @@ extern int ceph_parse_ips(const char *c, const char *end,
 
 extern int ceph_msgr_init(void);
 extern void ceph_msgr_exit(void);
+extern void ceph_msgr_flush(void);
 
 extern struct ceph_messenger *ceph_messenger_create(
 	struct ceph_entity_addr *myaddr);
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 9b46bb951e1..5cf6fba8b70 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -669,9 +669,17 @@ static void ceph_destroy_client(struct ceph_client *client)
 
 	/* unmount */
 	ceph_mdsc_stop(&client->mdsc);
-	ceph_monc_stop(&client->monc);
 	ceph_osdc_stop(&client->osdc);
 
+	/*
+	 * make sure mds and osd connections close out before destroying
+	 * the auth module, which is needed to free those connections'
+	 * ceph_authorizers.
+	 */
+	ceph_msgr_flush();
+
+	ceph_monc_stop(&client->monc);
+
 	ceph_adjust_min_caps(-client->min_caps);
 
 	ceph_debugfs_client_cleanup(client);

From 79494d1b9b92259eb40ea6e939ba5aff4b8de5f1 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 27 May 2010 14:15:49 -0700
Subject: [PATCH 3618/3638] ceph: fix leak of osd authorizer

Release the ceph_authorizer when releasing osd state.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/osd_client.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index afa7bb3895c..d25b4add85b 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -361,8 +361,13 @@ static void put_osd(struct ceph_osd *osd)
 {
 	dout("put_osd %p %d -> %d\n", osd, atomic_read(&osd->o_ref),
 	     atomic_read(&osd->o_ref) - 1);
-	if (atomic_dec_and_test(&osd->o_ref))
+	if (atomic_dec_and_test(&osd->o_ref)) {
+		struct ceph_auth_client *ac = osd->o_osdc->client->monc.auth;
+
+		if (osd->o_authorizer)
+			ac->ops->destroy_authorizer(ac, osd->o_authorizer);
 		kfree(osd);
+	}
 }
 
 /*

From 2a8e5e3637e2fc058798f5d3626f525729ffaaaf Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 28 May 2010 16:43:16 -0700
Subject: [PATCH 3619/3638] ceph: clean up on forwarded aborted mds request

If an mds request is aborted (timeout, SIGKILL), it is left registered to
keep our state in sync with the mds.  If we get a forward notification,
though, we know the request didn't succeed and we can unregister it
safely.  We were trying to resend it, but then bailing out (and not
unregistering) in __do_request.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/mds_client.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 5a88b7bb379..b49f12822cb 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2014,16 +2014,21 @@ static void handle_forward(struct ceph_mds_client *mdsc,
 	mutex_lock(&mdsc->mutex);
 	req = __lookup_request(mdsc, tid);
 	if (!req) {
-		dout("forward %llu to mds%d - req dne\n", tid, next_mds);
+		dout("forward tid %llu to mds%d - req dne\n", tid, next_mds);
 		goto out;  /* dup reply? */
 	}
 
-	if (fwd_seq <= req->r_num_fwd) {
-		dout("forward %llu to mds%d - old seq %d <= %d\n",
+	if (req->r_aborted) {
+		dout("forward tid %llu aborted, unregistering\n", tid);
+		__unregister_request(mdsc, req);
+	} else if (fwd_seq <= req->r_num_fwd) {
+		dout("forward tid %llu to mds%d - old seq %d <= %d\n",
 		     tid, next_mds, req->r_num_fwd, fwd_seq);
 	} else {
 		/* resend. forward race not possible; mds would drop */
-		dout("forward %llu to mds%d (we resend)\n", tid, next_mds);
+		dout("forward tid %llu to mds%d (we resend)\n", tid, next_mds);
+		BUG_ON(req->r_err);
+		BUG_ON(req->r_got_result);
 		req->r_num_fwd = fwd_seq;
 		req->r_resend_mds = next_mds;
 		put_request_session(req);

From 61bb42c37dfa9016dcacc86bcd41362ab2457d4a Mon Sep 17 00:00:00 2001
From: Daniel T Chen <crimsun@ubuntu.com>
Date: Sat, 29 May 2010 11:04:11 -0400
Subject: [PATCH 3620/3638] ALSA: hda: Use LPIB for a Shuttle device

BugLink: https://launchpad.net/bugs/551949

Symptom: On the reporter's Shuttle device, using PulseAudio in Ubuntu
10.04 LTS results in "popping clicking" audio with the PA crashing
shortly thereafter.

Test case: Using Ubuntu 10.04 LTS (Linux 2.6.32.12), Linux 2.6.33, or
Linux 2.6.34, adjust the HDA device's volume with PulseAudio.

Resolution: add SSID for this machine to the position_fix quirk table,
explicitly specifying the LPIB method.

Reported-and-Tested-By: Christian Mehlis <mehlis@inf.fu-berlin.de>
Cc: <stable@kernel.org>
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index e1ff2b8fe2a..dc79564fea3 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2291,6 +2291,7 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1179, 0xff10, "Toshiba A100-259", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1565, 0x820f, "Biostar Microtech", POS_FIX_LPIB),

From bd4cbf6c7689d35d5d1248369d2c350f4711ca0a Mon Sep 17 00:00:00 2001
From: Mark Hills <mark@pogo.org.uk>
Date: Sat, 29 May 2010 16:53:23 +0100
Subject: [PATCH 3621/3638] ALSA: snd-usb-caiaq: Restore 'Control vinyl' input
 mode on A4DJ

This feature was undocumented on early A4DJ units. It is indicated
by lighting both the 'line' and 'phono' lamps at the same time.
Newer units document this and the newer Windows drivers enable this
for all units, so restore the functionality.

This patch simplifies the code and changes the mode mapping to match
the A8DJ, favouring simpler code and consistency over keeping the
existing mapping.

Both 'Control vinyl' and 'Phono' input modes enable the hardware
preamp. The difference is the input impedance.

This reverts commit 9a9527e.

Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/caiaq/control.c | 30 ++----------------------------
 1 file changed, 2 insertions(+), 28 deletions(-)

diff --git a/sound/usb/caiaq/control.c b/sound/usb/caiaq/control.c
index 36ed703a741..70c3866bb62 100644
--- a/sound/usb/caiaq/control.c
+++ b/sound/usb/caiaq/control.c
@@ -42,8 +42,9 @@ static int control_info(struct snd_kcontrol *kcontrol,
 
 	switch (dev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
+	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
 		if (pos == 0) {
-			/* current input mode of A8DJ */
+			/* current input mode of A8DJ and A4DJ */
 			uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 			uinfo->value.integer.min = 0;
 			uinfo->value.integer.max = 2;
@@ -51,16 +52,6 @@ static int control_info(struct snd_kcontrol *kcontrol,
 		}
 		break;
 
-	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
-		if (pos == 0) {
-			/* current input mode of A4DJ */
-			uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-			uinfo->value.integer.min = 0;
-			uinfo->value.integer.max = 1;
-			return 0;
-		}
-		break;
-
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
 		maxval = 127;
 		break;
@@ -86,14 +77,6 @@ static int control_get(struct snd_kcontrol *kcontrol,
 	struct snd_usb_caiaqdev *dev = caiaqdev(chip->card);
 	int pos = kcontrol->private_value;
 
-	if (dev->chip.usb_id ==
-		USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)) {
-		/* A4DJ has only one control */
-		/* do not expose hardware input mode 0 */
-		ucontrol->value.integer.value[0] = dev->control_state[0] - 1;
-		return 0;
-	}
-
 	if (pos & CNT_INTVAL)
 		ucontrol->value.integer.value[0]
 			= dev->control_state[pos & ~CNT_INTVAL];
@@ -113,15 +96,6 @@ static int control_put(struct snd_kcontrol *kcontrol,
 	unsigned char cmd = EP1_CMD_WRITE_IO;
 
 	switch (dev->chip.usb_id) {
-	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ): {
-		/* A4DJ has only one control */
-		/* do not expose hardware input mode 0 */
-		dev->control_state[0] = ucontrol->value.integer.value[0] + 1;
-		snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO,
-				dev->control_state, sizeof(dev->control_state));
-		return 1;
-	}
-
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
 		cmd = EP1_CMD_DIMM_LEDS;
 		break;

From 4efd7d8f67ac5ff80db06b77c46aca6e0d9f878b Mon Sep 17 00:00:00 2001
From: Mark Hills <mark@pogo.org.uk>
Date: Sat, 29 May 2010 16:53:24 +0100
Subject: [PATCH 3622/3638] ALSA: snd-usb-caiaq: Simplify single case to an
 'if'

After removing code, only one case remains. So use an 'if' instead.

Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/caiaq/control.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/usb/caiaq/control.c b/sound/usb/caiaq/control.c
index 70c3866bb62..91c804cd278 100644
--- a/sound/usb/caiaq/control.c
+++ b/sound/usb/caiaq/control.c
@@ -95,11 +95,9 @@ static int control_put(struct snd_kcontrol *kcontrol,
 	int pos = kcontrol->private_value;
 	unsigned char cmd = EP1_CMD_WRITE_IO;
 
-	switch (dev->chip.usb_id) {
-	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+	if (dev->chip.usb_id ==
+		USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1))
 		cmd = EP1_CMD_DIMM_LEDS;
-		break;
-	}
 
 	if (pos & CNT_INTVAL) {
 		dev->control_state[pos & ~CNT_INTVAL]

From 649233562cb1e83ebd2af30bd981881e51961b8b Mon Sep 17 00:00:00 2001
From: Mark Hills <mark@pogo.org.uk>
Date: Sat, 29 May 2010 16:53:25 +0100
Subject: [PATCH 3623/3638] ALSA: Revert "ALSA: snd-usb-caiaq: Set default
 input mode of A4DJ"

Do not explicity set the default input mode. Use the hardware default
of mode 0 ('Control vinyl'), which is now available.

This reverts commit e3ca4c9.

Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/caiaq/device.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index 80527182767..bf71048e324 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -320,12 +320,6 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
 		}
 
 		break;
-	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
-		/* Audio 4 DJ - default input mode to phono */
-		dev->control_state[0] = 2;
-		snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO,
-			dev->control_state, 1);
-		break;
 	}
 
 	if (dev->spec.num_analog_audio_out +

From 55567ab70bd8551c73253e44ea5244db41eac81b Mon Sep 17 00:00:00 2001
From: Mark Hills <mark@pogo.org.uk>
Date: Sat, 29 May 2010 16:53:26 +0100
Subject: [PATCH 3624/3638] ALSA: snd-usb-caiaq: Bump version number to 1.3.21

Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/caiaq/device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index bf71048e324..cdfb856bddd 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -36,7 +36,7 @@
 #include "input.h"
 
 MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
-MODULE_DESCRIPTION("caiaq USB audio, version 1.3.20");
+MODULE_DESCRIPTION("caiaq USB audio, version 1.3.21");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
 			 "{Native Instruments, RigKontrol3},"

From d24944d924d051281b276be8e5749b45785563c8 Mon Sep 17 00:00:00 2001
From: Carlos O'Donell <carlos@systemhalted.org>
Date: Wed, 31 Mar 2010 20:42:33 +0000
Subject: [PATCH 3625/3638] parisc: Use of align_frame provides stack frame.

Any assembly constant generated with the use of
align_frame includes size for a full stack frame.

Signed-off-by: Carlos O'Donell <carlos@systemhalted.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
---
 arch/parisc/kernel/asm-offsets.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index ec787b411e9..dcd55103a4b 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -45,8 +45,12 @@
 #else
 #define FRAME_SIZE	64
 #endif
+#define FRAME_ALIGN	64
 
-#define align(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y)))
+/* Add FRAME_SIZE to the size x and align it to y. All definitions
+ * that use align_frame will include space for a frame.
+ */
+#define align_frame(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y)))
 
 int main(void)
 {
@@ -146,7 +150,8 @@ int main(void)
 	DEFINE(TASK_PT_IOR, offsetof(struct task_struct, thread.regs.ior));
 	BLANK();
 	DEFINE(TASK_SZ, sizeof(struct task_struct));
-	DEFINE(TASK_SZ_ALGN, align(sizeof(struct task_struct), 64));
+	/* TASK_SZ_ALGN includes space for a stack frame. */
+	DEFINE(TASK_SZ_ALGN, align_frame(sizeof(struct task_struct), FRAME_ALIGN));
 	BLANK();
 	DEFINE(PT_PSW, offsetof(struct pt_regs, gr[ 0]));
 	DEFINE(PT_GR1, offsetof(struct pt_regs, gr[ 1]));
@@ -233,7 +238,8 @@ int main(void)
 	DEFINE(PT_ISR, offsetof(struct pt_regs, isr));
 	DEFINE(PT_IOR, offsetof(struct pt_regs, ior));
 	DEFINE(PT_SIZE, sizeof(struct pt_regs));
-	DEFINE(PT_SZ_ALGN, align(sizeof(struct pt_regs), 64));
+	/* PT_SZ_ALGN includes space for a stack frame. */
+	DEFINE(PT_SZ_ALGN, align_frame(sizeof(struct pt_regs), FRAME_ALIGN));
 	BLANK();
 	DEFINE(TI_TASK, offsetof(struct thread_info, task));
 	DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
@@ -242,7 +248,8 @@ int main(void)
 	DEFINE(TI_SEGMENT, offsetof(struct thread_info, addr_limit));
 	DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
 	DEFINE(THREAD_SZ, sizeof(struct thread_info));
-	DEFINE(THREAD_SZ_ALGN, align(sizeof(struct thread_info), 64));
+	/* THREAD_SZ_ALGN includes space for a stack frame. */
+	DEFINE(THREAD_SZ_ALGN, align_frame(sizeof(struct thread_info), FRAME_ALIGN));
 	BLANK();
 	DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base));
 	DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride));

From 550f0d922286556c7ea43974bb7921effb5a5278 Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Mon, 3 May 2010 20:44:21 +0000
Subject: [PATCH 3626/3638] parisc: clear floating point exception flag on
 SIGFPE signal

Clear the floating point exception flag before returning to
user space. This is needed, else the libc trampoline handler
may hit the same SIGFPE again while building up a trampoline
to a signal handler.

Fixes debian bug #559406.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
---
 arch/parisc/math-emu/decode_exc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/parisc/math-emu/decode_exc.c b/arch/parisc/math-emu/decode_exc.c
index 3ca1c614921..27a7492ddb0 100644
--- a/arch/parisc/math-emu/decode_exc.c
+++ b/arch/parisc/math-emu/decode_exc.c
@@ -342,6 +342,7 @@ decode_fpu(unsigned int Fpu_register[], unsigned int trap_counts[])
 		return SIGNALCODE(SIGFPE, FPE_FLTINV);
 	  case DIVISIONBYZEROEXCEPTION:
 		update_trap_counts(Fpu_register, aflags, bflags, trap_counts);
+		Clear_excp_register(exception_index);
 	  	return SIGNALCODE(SIGFPE, FPE_FLTDIV);
 	  case INEXACTEXCEPTION:
 		update_trap_counts(Fpu_register, aflags, bflags, trap_counts);

From 53e30d022769434327a682d65031f129cd5d9c33 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Thu, 22 Apr 2010 16:06:23 +0000
Subject: [PATCH 3627/3638] parisc: invoke oom-killer from page fault

As explained in commit 1c0fe6e3bd, we want to call the architecture independent
oom killer when getting an unexplained OOM from handle_mm_fault, rather than
simply killing current.

Cc: linux-parisc@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
---
 arch/parisc/mm/fault.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index c6afbfc9577..18162ce4261 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -264,8 +264,7 @@ no_context:
 
   out_of_memory:
 	up_read(&mm->mmap_sem);
-	printk(KERN_CRIT "VM: killing process %s\n", current->comm);
-	if (user_mode(regs))
-		do_group_exit(SIGKILL);
-	goto no_context;
+	if (!user_mode(regs))
+		goto no_context;
+	pagefault_out_of_memory();
 }

From 8f6c0c2bf1d4cc626588ca6f8dc642df34c0d26d Mon Sep 17 00:00:00 2001
From: John David Anglin <dave@hiauly1.hia.nrc.ca>
Date: Sun, 11 Apr 2010 17:12:56 +0000
Subject: [PATCH 3628/3638] parisc: Avoid interruption in critical region in
 entry.S

Signed-off-by: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
---
 arch/parisc/kernel/entry.S | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 3a44f7f704f..ba86f610e76 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -2076,9 +2076,10 @@ syscall_restore:
 	LDREG	TASK_PT_GR31(%r1),%r31	   /* restore syscall rp */
 
 	/* NOTE: We use rsm/ssm pair to make this operation atomic */
+	LDREG   TASK_PT_GR30(%r1),%r1              /* Get user sp */
 	rsm     PSW_SM_I, %r0
-	LDREG   TASK_PT_GR30(%r1),%r30             /* restore user sp */
-	mfsp	%sr3,%r1			   /* Get users space id */
+	copy    %r1,%r30                           /* Restore user sp */
+	mfsp    %sr3,%r1                           /* Get user space id */
 	mtsp    %r1,%sr7                           /* Restore sr7 */
 	ssm     PSW_SM_I, %r0
 

From c2dc988ec566429841dd83644479aca78a6251e7 Mon Sep 17 00:00:00 2001
From: John David Anglin <dave@hiauly1.hia.nrc.ca>
Date: Sun, 11 Apr 2010 17:08:51 +0000
Subject: [PATCH 3629/3638] parisc: Delete unnecessary nop's in entry.S

Signed-off-by: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
---
 arch/parisc/kernel/entry.S | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index ba86f610e76..293ba44f40a 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -997,13 +997,6 @@ intr_restore:
 
 	rfi
 	nop
-	nop
-	nop
-	nop
-	nop
-	nop
-	nop
-	nop
 
 #ifndef CONFIG_PREEMPT
 # define intr_do_preempt	intr_restore

From f4c0346c6f350d51aac7ed87e266a4257bdbe506 Mon Sep 17 00:00:00 2001
From: John David Anglin <dave@hiauly1.hia.nrc.ca>
Date: Sun, 11 Apr 2010 17:26:34 +0000
Subject: [PATCH 3630/3638] parisc: LWS fixes for syscall.S

1) Gate immediately and save a branch.
2) Fix off by one error in checking entry number.
3) Use sr7 instead of sr3 in error return path as sr3 might not
   contain correct value.
4) Enable locking on UP systems to prevent incorrect operation of
   the cas_action critical region on page faults.

Tested on several systems, including UP c3750 with 2.6.33.2 kernel.

Signed-off-by: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
---
 arch/parisc/kernel/syscall.S | 32 +++++++++-----------------------
 1 file changed, 9 insertions(+), 23 deletions(-)

diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index f5f96021caa..68e75ce838d 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -47,18 +47,17 @@ ENTRY(linux_gateway_page)
 	KILL_INSN
 	.endr
 
-	/* ADDRESS 0xb0 to 0xb4, lws uses 1 insns for entry */
+	/* ADDRESS 0xb0 to 0xb8, lws uses two insns for entry */
 	/* Light-weight-syscall entry must always be located at 0xb0 */
 	/* WARNING: Keep this number updated with table size changes */
 #define __NR_lws_entries (2)
 
 lws_entry:
-	/* Unconditional branch to lws_start, located on the 
-	   same gateway page */
-	b,n	lws_start
+	gate	lws_start, %r0		/* increase privilege */
+	depi	3, 31, 2, %r31		/* Ensure we return into user mode. */
 
-	/* Fill from 0xb4 to 0xe0 */
-	.rept 11
+	/* Fill from 0xb8 to 0xe0 */
+	.rept 10
 	KILL_INSN
 	.endr
 
@@ -423,9 +422,6 @@ tracesys_sigexit:
 
 	*********************************************************/
 lws_start:
-	/* Gate and ensure we return to userspace */
-	gate	.+8, %r0
-	depi	3, 31, 2, %r31	/* Ensure we return to userspace */
 
 #ifdef CONFIG_64BIT
 	/* FIXME: If we are a 64-bit kernel just
@@ -442,7 +438,7 @@ lws_start:
 #endif	
 
         /* Is the lws entry number valid? */
-	comiclr,>>=	__NR_lws_entries, %r20, %r0
+	comiclr,>>	__NR_lws_entries, %r20, %r0
 	b,n	lws_exit_nosys
 
 	/* WARNING: Trashing sr2 and sr3 */
@@ -473,7 +469,7 @@ lws_exit:
 	/* now reset the lowest bit of sp if it was set */
 	xor	%r30,%r1,%r30
 #endif
-	be,n	0(%sr3, %r31)
+	be,n	0(%sr7, %r31)
 
 
 	
@@ -529,7 +525,6 @@ lws_compare_and_swap32:
 #endif
 
 lws_compare_and_swap:
-#ifdef CONFIG_SMP
 	/* Load start of lock table */
 	ldil	L%lws_lock_start, %r20
 	ldo	R%lws_lock_start(%r20), %r28
@@ -572,8 +567,6 @@ cas_wouldblock:
 	ldo	2(%r0), %r28				/* 2nd case */
 	b	lws_exit				/* Contended... */
 	ldo	-EAGAIN(%r0), %r21			/* Spin in userspace */
-#endif
-/* CONFIG_SMP */
 
 	/*
 		prev = *addr;
@@ -601,13 +594,11 @@ cas_action:
 1:	ldw	0(%sr3,%r26), %r28
 	sub,<>	%r28, %r25, %r0
 2:	stw	%r24, 0(%sr3,%r26)
-#ifdef CONFIG_SMP
 	/* Free lock */
 	stw	%r20, 0(%sr2,%r20)
-# if ENABLE_LWS_DEBUG
+#if ENABLE_LWS_DEBUG
 	/* Clear thread register indicator */
 	stw	%r0, 4(%sr2,%r20)
-# endif
 #endif
 	/* Return to userspace, set no error */
 	b	lws_exit
@@ -615,12 +606,10 @@ cas_action:
 
 3:		
 	/* Error occured on load or store */
-#ifdef CONFIG_SMP
 	/* Free lock */
 	stw	%r20, 0(%sr2,%r20)
-# if ENABLE_LWS_DEBUG
+#if ENABLE_LWS_DEBUG
 	stw	%r0, 4(%sr2,%r20)
-# endif
 #endif
 	b	lws_exit
 	ldo	-EFAULT(%r0),%r21	/* set errno */
@@ -672,7 +661,6 @@ ENTRY(sys_call_table64)
 END(sys_call_table64)
 #endif
 
-#ifdef CONFIG_SMP
 	/*
 		All light-weight-syscall atomic operations 
 		will use this set of locks 
@@ -694,8 +682,6 @@ ENTRY(lws_lock_start)
 	.endr
 END(lws_lock_start)
 	.previous
-#endif
-/* CONFIG_SMP for lws_lock_start */
 
 .end
 

From 9b437bca163c44d4ec6544241f29451675693cd6 Mon Sep 17 00:00:00 2001
From: John David Anglin <dave@hiauly1.hia.nrc.ca>
Date: Sun, 11 Apr 2010 17:03:54 +0000
Subject: [PATCH 3631/3638] parisc: Remove unnecessary macros from entry.S

The EXTR, DEP and DEPI macros are unnecessary.  There are PA 1.X
pneumonics available with the same functionality, and the DEP and DEPI
macros conflict with assembler pneumonics.

Tested on a variety of 32 and 64-bit systems.

Signed-off-by: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
---
 arch/parisc/kernel/entry.S | 40 +++++++-------------------------------
 1 file changed, 7 insertions(+), 33 deletions(-)

diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 293ba44f40a..6337adef30f 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -364,32 +364,6 @@
 	.align		32
 	.endm
 
-	/* The following are simple 32 vs 64 bit instruction
-	 * abstractions for the macros */
-	.macro		EXTR	reg1,start,length,reg2
-#ifdef CONFIG_64BIT
-	extrd,u		\reg1,32+(\start),\length,\reg2
-#else
-	extrw,u		\reg1,\start,\length,\reg2
-#endif
-	.endm
-
-	.macro		DEP	reg1,start,length,reg2
-#ifdef CONFIG_64BIT
-	depd		\reg1,32+(\start),\length,\reg2
-#else
-	depw		\reg1,\start,\length,\reg2
-#endif
-	.endm
-
-	.macro		DEPI	val,start,length,reg
-#ifdef CONFIG_64BIT
-	depdi		\val,32+(\start),\length,\reg
-#else
-	depwi		\val,\start,\length,\reg
-#endif
-	.endm
-
 	/* In LP64, the space contains part of the upper 32 bits of the
 	 * fault.  We have to extract this and place it in the va,
 	 * zeroing the corresponding bits in the space register */
@@ -442,19 +416,19 @@
 	 */
 	.macro		L2_ptep	pmd,pte,index,va,fault
 #if PT_NLEVELS == 3
-	EXTR		\va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index
+	extru		\va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index
 #else
-	EXTR		\va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index
+	extru		\va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index
 #endif
-	DEP             %r0,31,PAGE_SHIFT,\pmd  /* clear offset */
+	dep             %r0,31,PAGE_SHIFT,\pmd  /* clear offset */
 	copy		%r0,\pte
 	ldw,s		\index(\pmd),\pmd
 	bb,>=,n		\pmd,_PxD_PRESENT_BIT,\fault
-	DEP		%r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */
+	dep		%r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */
 	copy		\pmd,%r9
 	SHLREG		%r9,PxD_VALUE_SHIFT,\pmd
-	EXTR		\va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index
-	DEP		%r0,31,PAGE_SHIFT,\pmd  /* clear offset */
+	extru		\va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index
+	dep		%r0,31,PAGE_SHIFT,\pmd  /* clear offset */
 	shladd		\index,BITS_PER_PTE_ENTRY,\pmd,\pmd
 	LDREG		%r0(\pmd),\pte		/* pmd is now pte */
 	bb,>=,n		\pte,_PAGE_PRESENT_BIT,\fault
@@ -605,7 +579,7 @@
 	depdi		0,31,32,\tmp
 #endif
 	copy		\va,\tmp1
-	DEPI		0,31,23,\tmp1
+	depi		0,31,23,\tmp1
 	cmpb,COND(<>),n	\tmp,\tmp1,\fault
 	ldi		(_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),\prot
 	depd,z		\prot,8,7,\prot

From 210501aa570fdaa8b06e56fd1c04f31f2d3f368b Mon Sep 17 00:00:00 2001
From: John David Anglin <dave@hiauly1.hia.nrc.ca>
Date: Sun, 11 Apr 2010 16:36:14 +0000
Subject: [PATCH 3632/3638] parisc: Call pagefault_disable/pagefault_enable in
 kmap_atomic/kunmap_atomic

Based on the generic implementation of kmap_atomic and kunmap_atomic,
we should call pagefault_disable and pagefault_enable in our PA8000
implementation.

The define for kmap_atomic_prot was also missing, and I updated
kmap_atomic_pfn to use the generic implementation because of the
change to kmap_atomic.

I believe that this change is needed to fix the fork copy-on-write
bug.

Signed-off-by: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
---
 arch/parisc/include/asm/cacheflush.h | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 477277739da..4556d820128 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -2,6 +2,7 @@
 #define _PARISC_CACHEFLUSH_H
 
 #include <linux/mm.h>
+#include <linux/uaccess.h>
 
 /* The usual comment is "Caches aren't brain-dead on the <architecture>".
  * Unfortunately, that doesn't apply to PA-RISC. */
@@ -125,11 +126,20 @@ static inline void *kmap(struct page *page)
 
 #define kunmap(page)			kunmap_parisc(page_address(page))
 
-#define kmap_atomic(page, idx)		page_address(page)
+static inline void *kmap_atomic(struct page *page, enum km_type idx)
+{
+	pagefault_disable();
+	return page_address(page);
+}
 
-#define kunmap_atomic(addr, idx)	kunmap_parisc(addr)
+static inline void kunmap_atomic(void *addr, enum km_type idx)
+{
+	kunmap_parisc(addr);
+	pagefault_enable();
+}
 
-#define kmap_atomic_pfn(pfn, idx)	page_address(pfn_to_page(pfn))
+#define kmap_atomic_prot(page, idx, prot)	kmap_atomic(page, idx)
+#define kmap_atomic_pfn(pfn, idx)	kmap_atomic(pfn_to_page(pfn), (idx))
 #define kmap_atomic_to_page(ptr)	virt_to_page(ptr)
 #endif
 

From 0f1f694260e0d35b5ce7d471f6e679c3dd4d7d94 Mon Sep 17 00:00:00 2001
From: Christoph Lameter <cl@linux-foundation.org>
Date: Thu, 27 May 2010 09:17:17 -0500
Subject: [PATCH 3633/3638] SLUB: Allow full duplication of kmalloc array for
 390

Commit 756dee75872a2a764b478e18076360b8a4ec9045 ("SLUB: Get rid of dynamic DMA
kmalloc cache allocation") makes S390 run out of kmalloc caches.  Increase the
number of kmalloc caches to a safe size.

Cc: <stable@kernel.org> [ .33 and .34 ]
Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Tested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 include/linux/slub_def.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 6ac37664e8f..4ba59cfc1f7 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -137,7 +137,7 @@ struct kmem_cache {
 #ifdef CONFIG_ZONE_DMA
 #define SLUB_DMA __GFP_DMA
 /* Reserve extra caches for potential DMA use */
-#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT - 6)
+#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT)
 #else
 /* Disable DMA functionality */
 #define SLUB_DMA (__force gfp_t)0

From 35926ff5fba8245bd1c6ac04155048f6f89232b1 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 30 May 2010 09:00:03 -0700
Subject: [PATCH 3634/3638] Revert "cpusets: randomize node rotor used in
 cpuset_mem_spread_node()"

This reverts commit 0ac0c0d0f837c499afd02a802f9cf52d3027fa3b, which
caused cross-architecture build problems for all the wrong reasons.
IA64 already added its own version of __node_random(), but the fact is,
there is nothing architectural about the function, and the original
commit was just badly done. Revert it, since no fix is forthcoming.

Requested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/mm/numa.c       | 17 -----------------
 include/linux/bitmap.h   |  1 -
 include/linux/nodemask.h |  8 --------
 kernel/fork.c            |  4 ----
 lib/bitmap.c             |  2 +-
 5 files changed, 1 insertion(+), 31 deletions(-)

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 10c27bb1e95..550df481acc 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -2,7 +2,6 @@
 #include <linux/topology.h>
 #include <linux/module.h>
 #include <linux/bootmem.h>
-#include <linux/random.h>
 
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
 # define DBG(x...) printk(KERN_DEBUG x)
@@ -66,19 +65,3 @@ const struct cpumask *cpumask_of_node(int node)
 }
 EXPORT_SYMBOL(cpumask_of_node);
 #endif
-
-/*
- * Return the bit number of a random bit set in the nodemask.
- *   (returns -1 if nodemask is empty)
- */
-int __node_random(const nodemask_t *maskp)
-{
-	int w, bit = -1;
-
-	w = nodes_weight(*maskp);
-	if (w)
-		bit = bitmap_ord_to_pos(maskp->bits,
-			get_random_int() % w, MAX_NUMNODES);
-	return bit;
-}
-EXPORT_SYMBOL(__node_random);
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 6fb2720882f..daf8c480c78 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -141,7 +141,6 @@ extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
 extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
 extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);
 extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
-extern int bitmap_ord_to_pos(const unsigned long *bitmap, int n, int bits);
 
 #define BITMAP_LAST_WORD_MASK(nbits)					\
 (									\
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 8a8f1d09c13..dba35e41337 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -66,8 +66,6 @@
  * int num_online_nodes()		Number of online Nodes
  * int num_possible_nodes()		Number of all possible Nodes
  *
- * int node_random(mask)		Random node with set bit in mask
- *
  * int node_online(node)		Is some node online?
  * int node_possible(node)		Is some node possible?
  *
@@ -432,10 +430,6 @@ static inline void node_set_offline(int nid)
 	node_clear_state(nid, N_ONLINE);
 	nr_online_nodes = num_node_state(N_ONLINE);
 }
-
-#define node_random(mask) __node_random(&(mask))
-extern int __node_random(const nodemask_t *maskp);
-
 #else
 
 static inline int node_state(int node, enum node_states state)
@@ -466,8 +460,6 @@ static inline int num_node_state(enum node_states state)
 
 #define node_set_online(node)	   node_set_state((node), N_ONLINE)
 #define node_set_offline(node)	   node_clear_state((node), N_ONLINE)
-
-static inline int node_random(const nodemask_t mask) { return 0; }
 #endif
 
 #define node_online_map 	node_states[N_ONLINE]
diff --git a/kernel/fork.c b/kernel/fork.c
index bf9fef6d1bf..b6cce14ba04 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1086,10 +1086,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
  	}
 	mpol_fix_fork_child_flag(p);
 #endif
-#ifdef CONFIG_CPUSETS
-	p->cpuset_mem_spread_rotor = node_random(p->mems_allowed);
-	p->cpuset_slab_spread_rotor = node_random(p->mems_allowed);
-#endif
 #ifdef CONFIG_TRACE_IRQFLAGS
 	p->irq_events = 0;
 #ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW
diff --git a/lib/bitmap.c b/lib/bitmap.c
index d7137e7e06e..ffb78c916cc 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -672,7 +672,7 @@ static int bitmap_pos_to_ord(const unsigned long *buf, int pos, int bits)
  *
  * The bit positions 0 through @bits are valid positions in @buf.
  */
-int bitmap_ord_to_pos(const unsigned long *buf, int ord, int bits)
+static int bitmap_ord_to_pos(const unsigned long *buf, int ord, int bits)
 {
 	int pos = 0;
 

From 97ef6f7449da6ceddf9a90fa8851f607b67283dd Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 28 May 2010 15:08:08 -0700
Subject: [PATCH 3635/3638] rapidio: fix new kernel-doc warnings

Fix a bunch of new rapidio kernel-doc warnings:

Warning(include/linux/rio.h:123): No description found for parameter 'comp_tag'
Warning(include/linux/rio.h:123): No description found for parameter 'phys_efptr'
Warning(include/linux/rio.h:123): No description found for parameter 'em_efptr'
Warning(include/linux/rio.h:123): No description found for parameter 'pwcback'
Warning(include/linux/rio.h:247): No description found for parameter 'set_domain'
Warning(include/linux/rio.h:247): No description found for parameter 'get_domain'
Warning(drivers/rapidio/rio-scan.c:1133): No description found for parameter 'rdev'
Warning(drivers/rapidio/rio-scan.c:1133): Excess function parameter 'port' description in 'rio_init_em'
Warning(drivers/rapidio/rio.c:349): No description found for parameter 'rdev'
Warning(drivers/rapidio/rio.c:349): Excess function parameter 'mport' description in 'rio_request_inb_pwrite'
Warning(drivers/rapidio/rio.c:393): No description found for parameter 'port'
Warning(drivers/rapidio/rio.c:393): No description found for parameter 'local'
Warning(drivers/rapidio/rio.c:393): No description found for parameter 'destid'
Warning(drivers/rapidio/rio.c:393): No description found for parameter 'hopcount'
Warning(drivers/rapidio/rio.c:393): Excess function parameter 'rdev' description in 'rio_mport_get_physefb'
Warning(drivers/rapidio/rio.c:845): Excess function parameter 'local' description in 'rio_std_route_clr_table'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/rio-scan.c |  2 +-
 drivers/rapidio/rio.c      | 10 ++++++----
 include/linux/rio.h        |  6 ++++++
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 566432106cc..8070e074c73 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -1124,7 +1124,7 @@ static void rio_update_route_tables(struct rio_mport *port)
 
 /**
  * rio_init_em - Initializes RIO Error Management (for switches)
- * @port: Master port associated with the RIO network
+ * @rdev: RIO device
  *
  * For each enumerated switch, call device-specific error management
  * initialization routine (if supplied by the switch driver).
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 777e099a3d8..08fa453af97 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -338,7 +338,7 @@ int rio_release_outb_dbell(struct rio_dev *rdev, struct resource *res)
 
 /**
  * rio_request_inb_pwrite - request inbound port-write message service
- * @mport: RIO device to which register inbound port-write callback routine
+ * @rdev: RIO device to which register inbound port-write callback routine
  * @pwcback: Callback routine to execute when port-write is received
  *
  * Binds a port-write callback function to the RapidIO device.
@@ -385,7 +385,10 @@ EXPORT_SYMBOL_GPL(rio_release_inb_pwrite);
 /**
  * rio_mport_get_physefb - Helper function that returns register offset
  *                      for Physical Layer Extended Features Block.
- * @rdev: RIO device
+ * @port: Master port to issue transaction
+ * @local: Indicate a local master port or remote device access
+ * @destid: Destination ID of the device
+ * @hopcount: Number of switch hops to the device
  */
 u32
 rio_mport_get_physefb(struct rio_mport *port, int local,
@@ -430,7 +433,7 @@ rio_mport_get_physefb(struct rio_mport *port, int local,
 
 /**
  * rio_get_comptag - Begin or continue searching for a RIO device by component tag
- * @comp_tag: RIO component tad to match
+ * @comp_tag: RIO component tag to match
  * @from: Previous RIO device found in search, or %NULL for new search
  *
  * Iterates through the list of known RIO devices. If a RIO device is
@@ -835,7 +838,6 @@ int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
  * rio_std_route_clr_table - Clear swotch route table using standard registers
  *   defined in RIO specification rev.1.3.
  * @mport: Master port to issue transaction
- * @local: Indicate a local master port or remote device access
  * @destid: Destination ID of the device
  * @hopcount: Number of switch hops to the device
  * @table: routing table ID (global or port-specific)
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 19b5f227096..bd6eb0ed34a 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -88,11 +88,15 @@ union rio_pw_msg;
  * @swpinfo: Switch port info
  * @src_ops: Source operation capabilities
  * @dst_ops: Destination operation capabilities
+ * @comp_tag: RIO component tag
+ * @phys_efptr: RIO device extended features pointer
+ * @em_efptr: RIO Error Management features pointer
  * @dma_mask: Mask of bits of RIO address this device implements
  * @rswitch: Pointer to &struct rio_switch if valid for this device
  * @driver: Driver claiming this device
  * @dev: Device model device
  * @riores: RIO resources this device owns
+ * @pwcback: port-write callback function for this device
  * @destid: Network destination ID
  */
 struct rio_dev {
@@ -222,6 +226,8 @@ struct rio_net {
  * @add_entry: Callback for switch-specific route add function
  * @get_entry: Callback for switch-specific route get function
  * @clr_table: Callback for switch-specific clear route table function
+ * @set_domain: Callback for switch-specific domain setting function
+ * @get_domain: Callback for switch-specific domain get function
  * @em_init: Callback for switch-specific error management initialization function
  * @em_handle: Callback for switch-specific error management handler function
  */

From e9a5f426b85e429bffaee4e0b086b1e742a39fa6 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Thu, 27 May 2010 22:16:22 +0200
Subject: [PATCH 3636/3638] CPU: Avoid using unititialized error variable in
 disable_nonboot_cpus()

If there's only one CPU online when disable_nonboot_cpus() is called,
the error variable will not be initialized and that may lead to
erroneous behavior.  Fix this issue by initializing error in
disable_nonboot_cpus() as appropriate.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 3097382eb44..8b92539b475 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -394,7 +394,7 @@ static cpumask_var_t frozen_cpus;
 
 int disable_nonboot_cpus(void)
 {
-	int cpu, first_cpu, error;
+	int cpu, first_cpu, error = 0;
 
 	cpu_maps_update_begin();
 	first_cpu = cpumask_first(cpu_online_mask);

From b3f2f6cd1ff935ecac9a5346904b899d7af689fe Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 30 May 2010 10:08:03 -0700
Subject: [PATCH 3637/3638] ia64: revert __node_random addition

This partially reverts commit 4ec37de89d8c758ee8115e0e64b3f994910789ee
("[IA64] Fix build breakage"), since the commit that made it necessary
got reverted earlier (see commit 35926ff5fba8, 'Revert "cpusets:
randomize node rotor used in cpuset_mem_spread_node()"')

Even if we ever re-introduce this, there is no reason to make
__node_random be some architecture-specific function.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/mm/numa.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c
index 2437718bd6b..3efea7d0a35 100644
--- a/arch/ia64/mm/numa.c
+++ b/arch/ia64/mm/numa.c
@@ -17,7 +17,6 @@
 #include <linux/init.h>
 #include <linux/bootmem.h>
 #include <linux/module.h>
-#include <linux/random.h>
 #include <asm/mmzone.h>
 #include <asm/numa.h>
 
@@ -51,22 +50,6 @@ paddr_to_nid(unsigned long paddr)
 	return (i < num_node_memblks) ? node_memblk[i].nid : (num_node_memblks ? -1 : 0);
 }
 
-/*
- * Return the bit number of a random bit set in the nodemask.
- *   (returns -1 if nodemask is empty)
- */
-int __node_random(const nodemask_t *maskp)
-{
-	int w, bit = -1;
-
-	w = nodes_weight(*maskp);
-	if (w)
-		bit = bitmap_ord_to_pos(maskp->bits,
-			get_random_int() % w, MAX_NUMNODES);
-	return bit;
-}
-EXPORT_SYMBOL(__node_random);
-
 #if defined(CONFIG_SPARSEMEM) && defined(CONFIG_NUMA)
 /*
  * Because of holes evaluate on section limits.

From 67a3e12b05e055c0415c556a315a3d3eb637e29e Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 30 May 2010 13:21:02 -0700
Subject: [PATCH 3638/3638] Linux 2.6.35-rc1

.. and thus endeth the merge window.
---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index ebc8225f7a9..6e39ec701cb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 34
-EXTRAVERSION =
+SUBLEVEL = 35
+EXTRAVERSION = -rc1
 NAME = Sheep on Meth
 
 # *DOCUMENTATION*